From df8b4ec8b15a5db84706548149add3131c3af8ba Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Thu, 1 Oct 2009 11:24:32 +0000
Subject: [PATCH 0001/1815] qeth: Convert ethtool get_stats_count() ops to
 get_sset_count()

This string query operation was supposed to be replaced by the
generic get_sset_count() starting in 2007.  Convert qeth's
implementation.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/s390/net/qeth_core.h      |  2 +-
 drivers/s390/net/qeth_core_main.c | 11 ++++++++---
 drivers/s390/net/qeth_l2_main.c   |  4 ++--
 drivers/s390/net/qeth_l3_main.c   |  2 +-
 4 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index 31a2b4e502c..e8f72d715eb 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -849,7 +849,7 @@ int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *,
 			struct sk_buff *, struct qeth_hdr *, int, int, int);
 int qeth_do_send_packet(struct qeth_card *, struct qeth_qdio_out_q *,
 		    struct sk_buff *, struct qeth_hdr *, int);
-int qeth_core_get_stats_count(struct net_device *);
+int qeth_core_get_sset_count(struct net_device *, int);
 void qeth_core_get_ethtool_stats(struct net_device *,
 				struct ethtool_stats *, u64 *);
 void qeth_core_get_strings(struct net_device *, u32, u8 *);
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index c4a42d97015..edee4dc6430 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -4305,11 +4305,16 @@ static struct {
 	{"tx csum"},
 };
 
-int qeth_core_get_stats_count(struct net_device *dev)
+int qeth_core_get_sset_count(struct net_device *dev, int stringset)
 {
-	return (sizeof(qeth_ethtool_stats_keys) / ETH_GSTRING_LEN);
+	switch (stringset) {
+	case ETH_SS_STATS:
+		return (sizeof(qeth_ethtool_stats_keys) / ETH_GSTRING_LEN);
+	default:
+		return -EINVAL;
+	}
 }
-EXPORT_SYMBOL_GPL(qeth_core_get_stats_count);
+EXPORT_SYMBOL_GPL(qeth_core_get_sset_count);
 
 void qeth_core_get_ethtool_stats(struct net_device *dev,
 		struct ethtool_stats *stats, u64 *data)
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index f4f3ca1393b..b61d5c723c5 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -866,7 +866,7 @@ static const struct ethtool_ops qeth_l2_ethtool_ops = {
 	.get_link = ethtool_op_get_link,
 	.get_strings = qeth_core_get_strings,
 	.get_ethtool_stats = qeth_core_get_ethtool_stats,
-	.get_stats_count = qeth_core_get_stats_count,
+	.get_sset_count = qeth_core_get_sset_count,
 	.get_drvinfo = qeth_core_get_drvinfo,
 	.get_settings = qeth_core_ethtool_get_settings,
 };
@@ -874,7 +874,7 @@ static const struct ethtool_ops qeth_l2_ethtool_ops = {
 static const struct ethtool_ops qeth_l2_osn_ops = {
 	.get_strings = qeth_core_get_strings,
 	.get_ethtool_stats = qeth_core_get_ethtool_stats,
-	.get_stats_count = qeth_core_get_stats_count,
+	.get_sset_count = qeth_core_get_sset_count,
 	.get_drvinfo = qeth_core_get_drvinfo,
 };
 
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 073b6d35491..4ca28c16ca8 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -2957,7 +2957,7 @@ static const struct ethtool_ops qeth_l3_ethtool_ops = {
 	.set_tso     = qeth_l3_ethtool_set_tso,
 	.get_strings = qeth_core_get_strings,
 	.get_ethtool_stats = qeth_core_get_ethtool_stats,
-	.get_stats_count = qeth_core_get_stats_count,
+	.get_sset_count = qeth_core_get_sset_count,
 	.get_drvinfo = qeth_core_get_drvinfo,
 	.get_settings = qeth_core_ethtool_get_settings,
 };
-- 
GitLab


From 1ddee09ff0420090d5b03ef3f9eba0e4db647035 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Thu, 1 Oct 2009 11:27:59 +0000
Subject: [PATCH 0002/1815] tehuti: Convert ethtool get_stats_count() ops to
 get_sset_count()

This string query operation was supposed to be replaced by the
generic get_sset_count() starting in 2007.  Convert tehuti's
implementation.

Also remove the dummy self-test name which was not used since tehuti
does not advertise any self-tests.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tehuti.c | 27 ++++++++++++---------------
 1 file changed, 12 insertions(+), 15 deletions(-)

diff --git a/drivers/net/tehuti.c b/drivers/net/tehuti.c
index ec9dfb251f3..79d4868e75a 100644
--- a/drivers/net/tehuti.c
+++ b/drivers/net/tehuti.c
@@ -2105,12 +2105,6 @@ err_pci:
 }
 
 /****************** Ethtool interface *********************/
-/* get strings for tests */
-static const char
- bdx_test_names[][ETH_GSTRING_LEN] = {
-	"No tests defined"
-};
-
 /* get strings for statistics counters */
 static const char
  bdx_stat_names[][ETH_GSTRING_LEN] = {
@@ -2380,9 +2374,6 @@ bdx_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring)
 static void bdx_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
 {
 	switch (stringset) {
-	case ETH_SS_TEST:
-		memcpy(data, *bdx_test_names, sizeof(bdx_test_names));
-		break;
 	case ETH_SS_STATS:
 		memcpy(data, *bdx_stat_names, sizeof(bdx_stat_names));
 		break;
@@ -2390,15 +2381,21 @@ static void bdx_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
 }
 
 /*
- * bdx_get_stats_count - return number of 64bit statistics counters
+ * bdx_get_sset_count - return number of statistics or tests
  * @netdev
  */
-static int bdx_get_stats_count(struct net_device *netdev)
+static int bdx_get_sset_count(struct net_device *netdev, int stringset)
 {
 	struct bdx_priv *priv = netdev_priv(netdev);
-	BDX_ASSERT(ARRAY_SIZE(bdx_stat_names)
-		   != sizeof(struct bdx_stats) / sizeof(u64));
-	return ((priv->stats_flag) ? ARRAY_SIZE(bdx_stat_names)	: 0);
+
+	switch (stringset) {
+	case ETH_SS_STATS:
+		BDX_ASSERT(ARRAY_SIZE(bdx_stat_names)
+			   != sizeof(struct bdx_stats) / sizeof(u64));
+		return ((priv->stats_flag) ? ARRAY_SIZE(bdx_stat_names)	: 0);
+	default:
+		return -EINVAL;
+	}
 }
 
 /*
@@ -2441,7 +2438,7 @@ static void bdx_ethtool_ops(struct net_device *netdev)
 		.get_sg = ethtool_op_get_sg,
 		.get_tso = ethtool_op_get_tso,
 		.get_strings = bdx_get_strings,
-		.get_stats_count = bdx_get_stats_count,
+		.get_sset_count = bdx_get_sset_count,
 		.get_ethtool_stats = bdx_get_ethtool_stats,
 	};
 
-- 
GitLab


From 15f0a394c6573f4cb65a13095288ab9b9f8135f9 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Thu, 1 Oct 2009 11:58:24 +0000
Subject: [PATCH 0003/1815] net: Convert ethtool {get_stats, self_test}_count()
 ops to get_sset_count()

These string query operations were supposed to be replaced by the
generic get_sset_count() starting in 2007.  Convert the remaining
implementations.

Also remove calls to these operations to initialise drvinfo->n_stats.
The ethtool core code already does that.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Acked-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/infiniband/hw/nes/nes_nic.c | 12 +++---
 drivers/net/benet/be_ethtool.c      | 11 ++++--
 drivers/net/bnx2x_main.c            | 60 +++++++++++++++--------------
 drivers/net/ibm_newemac/core.c      | 10 +++--
 drivers/net/igbvf/ethtool.c         | 25 ++++++------
 drivers/net/niu.c                   |  7 +++-
 6 files changed, 70 insertions(+), 55 deletions(-)

diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c
index e593af3354b..de18fdfdadf 100644
--- a/drivers/infiniband/hw/nes/nes_nic.c
+++ b/drivers/infiniband/hw/nes/nes_nic.c
@@ -1080,11 +1080,14 @@ static int nes_netdev_set_rx_csum(struct net_device *netdev, u32 enable)
 
 
 /**
- * nes_netdev_get_stats_count
+ * nes_netdev_get_sset_count
  */
-static int nes_netdev_get_stats_count(struct net_device *netdev)
+static int nes_netdev_get_sset_count(struct net_device *netdev, int stringset)
 {
-	return NES_ETHTOOL_STAT_COUNT;
+	if (stringset == ETH_SS_STATS)
+		return NES_ETHTOOL_STAT_COUNT;
+	else
+		return -EINVAL;
 }
 
 
@@ -1264,7 +1267,6 @@ static void nes_netdev_get_drvinfo(struct net_device *netdev,
 	sprintf(drvinfo->fw_version, "%u.%u", nesadapter->firmware_version>>16,
 				nesadapter->firmware_version & 0x000000ff);
 	strcpy(drvinfo->version, DRV_VERSION);
-	drvinfo->n_stats = nes_netdev_get_stats_count(netdev);
 	drvinfo->testinfo_len = 0;
 	drvinfo->eedump_len = 0;
 	drvinfo->regdump_len = 0;
@@ -1516,7 +1518,7 @@ static const struct ethtool_ops nes_ethtool_ops = {
 	.get_rx_csum = nes_netdev_get_rx_csum,
 	.get_sg = ethtool_op_get_sg,
 	.get_strings = nes_netdev_get_strings,
-	.get_stats_count = nes_netdev_get_stats_count,
+	.get_sset_count = nes_netdev_get_sset_count,
 	.get_ethtool_stats = nes_netdev_get_ethtool_stats,
 	.get_drvinfo = nes_netdev_get_drvinfo,
 	.get_coalesce = nes_netdev_get_coalesce,
diff --git a/drivers/net/benet/be_ethtool.c b/drivers/net/benet/be_ethtool.c
index 11445df3dbc..851543a040c 100644
--- a/drivers/net/benet/be_ethtool.c
+++ b/drivers/net/benet/be_ethtool.c
@@ -281,9 +281,14 @@ be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
 	}
 }
 
-static int be_get_stats_count(struct net_device *netdev)
+static int be_get_sset_count(struct net_device *netdev, int stringset)
 {
-	return ETHTOOL_STATS_NUM;
+	switch (stringset) {
+	case ETH_SS_STATS:
+		return ETHTOOL_STATS_NUM;
+	default:
+		return -EINVAL;
+	}
 }
 
 static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
@@ -364,7 +369,7 @@ const struct ethtool_ops be_ethtool_ops = {
 	.get_tso = ethtool_op_get_tso,
 	.set_tso = ethtool_op_set_tso,
 	.get_strings = be_get_stat_strings,
-	.get_stats_count = be_get_stats_count,
+	.get_sset_count = be_get_sset_count,
 	.get_ethtool_stats = be_get_ethtool_stats,
 	.flash_device = be_do_flash,
 };
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 20f0ed956df..c0abfc4fb34 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -9818,11 +9818,6 @@ static const struct {
 	{ "idle check (online)" }
 };
 
-static int bnx2x_self_test_count(struct net_device *dev)
-{
-	return BNX2X_NUM_TESTS;
-}
-
 static int bnx2x_test_registers(struct bnx2x *bp)
 {
 	int idx, i, rc = -ENODEV;
@@ -10436,6 +10431,36 @@ static const struct {
 #define IS_E1HMF_MODE_STAT(bp) \
 			(IS_E1HMF(bp) && !(bp->msglevel & BNX2X_MSG_STATS))
 
+static int bnx2x_get_sset_count(struct net_device *dev, int stringset)
+{
+	struct bnx2x *bp = netdev_priv(dev);
+	int i, num_stats;
+
+	switch(stringset) {
+	case ETH_SS_STATS:
+		if (is_multi(bp)) {
+			num_stats = BNX2X_NUM_Q_STATS * bp->num_rx_queues;
+			if (!IS_E1HMF_MODE_STAT(bp))
+				num_stats += BNX2X_NUM_STATS;
+		} else {
+			if (IS_E1HMF_MODE_STAT(bp)) {
+				num_stats = 0;
+				for (i = 0; i < BNX2X_NUM_STATS; i++)
+					if (IS_FUNC_STAT(i))
+						num_stats++;
+			} else
+				num_stats = BNX2X_NUM_STATS;
+		}
+		return num_stats;
+
+	case ETH_SS_TEST:
+		return BNX2X_NUM_TESTS;
+
+	default:
+		return -EINVAL;
+	}
+}
+
 static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
 {
 	struct bnx2x *bp = netdev_priv(dev);
@@ -10473,28 +10498,6 @@ static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
 	}
 }
 
-static int bnx2x_get_stats_count(struct net_device *dev)
-{
-	struct bnx2x *bp = netdev_priv(dev);
-	int i, num_stats;
-
-	if (is_multi(bp)) {
-		num_stats = BNX2X_NUM_Q_STATS * bp->num_rx_queues;
-		if (!IS_E1HMF_MODE_STAT(bp))
-			num_stats += BNX2X_NUM_STATS;
-	} else {
-		if (IS_E1HMF_MODE_STAT(bp)) {
-			num_stats = 0;
-			for (i = 0; i < BNX2X_NUM_STATS; i++)
-				if (IS_FUNC_STAT(i))
-					num_stats++;
-		} else
-			num_stats = BNX2X_NUM_STATS;
-	}
-
-	return num_stats;
-}
-
 static void bnx2x_get_ethtool_stats(struct net_device *dev,
 				    struct ethtool_stats *stats, u64 *buf)
 {
@@ -10637,11 +10640,10 @@ static const struct ethtool_ops bnx2x_ethtool_ops = {
 	.set_sg			= ethtool_op_set_sg,
 	.get_tso		= ethtool_op_get_tso,
 	.set_tso		= bnx2x_set_tso,
-	.self_test_count	= bnx2x_self_test_count,
 	.self_test		= bnx2x_self_test,
+	.get_sset_count		= bnx2x_get_sset_count,
 	.get_strings		= bnx2x_get_strings,
 	.phys_id		= bnx2x_phys_id,
-	.get_stats_count	= bnx2x_get_stats_count,
 	.get_ethtool_stats	= bnx2x_get_ethtool_stats,
 };
 
diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c
index 89c82c5e63e..0fa21a936d1 100644
--- a/drivers/net/ibm_newemac/core.c
+++ b/drivers/net/ibm_newemac/core.c
@@ -2145,9 +2145,12 @@ static int emac_ethtool_nway_reset(struct net_device *ndev)
 	return res;
 }
 
-static int emac_ethtool_get_stats_count(struct net_device *ndev)
+static int emac_ethtool_get_sset_count(struct net_device *ndev, int stringset)
 {
-	return EMAC_ETHTOOL_STATS_COUNT;
+	if (stringset == ETH_SS_STATS)
+		return EMAC_ETHTOOL_STATS_COUNT;
+	else
+		return -EINVAL;
 }
 
 static void emac_ethtool_get_strings(struct net_device *ndev, u32 stringset,
@@ -2178,7 +2181,6 @@ static void emac_ethtool_get_drvinfo(struct net_device *ndev,
 	info->fw_version[0] = '\0';
 	sprintf(info->bus_info, "PPC 4xx EMAC-%d %s",
 		dev->cell_index, dev->ofdev->node->full_name);
-	info->n_stats = emac_ethtool_get_stats_count(ndev);
 	info->regdump_len = emac_ethtool_get_regs_len(ndev);
 }
 
@@ -2198,7 +2200,7 @@ static const struct ethtool_ops emac_ethtool_ops = {
 	.get_rx_csum = emac_ethtool_get_rx_csum,
 
 	.get_strings = emac_ethtool_get_strings,
-	.get_stats_count = emac_ethtool_get_stats_count,
+	.get_sset_count = emac_ethtool_get_sset_count,
 	.get_ethtool_stats = emac_ethtool_get_ethtool_stats,
 
 	.get_link = ethtool_op_get_link,
diff --git a/drivers/net/igbvf/ethtool.c b/drivers/net/igbvf/ethtool.c
index ee17a097d1c..bc606f8b61a 100644
--- a/drivers/net/igbvf/ethtool.c
+++ b/drivers/net/igbvf/ethtool.c
@@ -363,16 +363,6 @@ static int igbvf_link_test(struct igbvf_adapter *adapter, u64 *data)
 	return *data;
 }
 
-static int igbvf_get_self_test_count(struct net_device *netdev)
-{
-	return IGBVF_TEST_LEN;
-}
-
-static int igbvf_get_stats_count(struct net_device *netdev)
-{
-	return IGBVF_GLOBAL_STATS_LEN;
-}
-
 static void igbvf_diag_test(struct net_device *netdev,
                             struct ethtool_test *eth_test, u64 *data)
 {
@@ -480,6 +470,18 @@ static void igbvf_get_ethtool_stats(struct net_device *netdev,
 
 }
 
+static int igbvf_get_sset_count(struct net_device *dev, int stringset)
+{
+	switch(stringset) {
+	case ETH_SS_TEST:
+		return IGBVF_TEST_LEN;
+	case ETH_SS_STATS:
+		return IGBVF_GLOBAL_STATS_LEN;
+	default:
+		return -EINVAL;
+	}
+}
+
 static void igbvf_get_strings(struct net_device *netdev, u32 stringset,
                               u8 *data)
 {
@@ -528,11 +530,10 @@ static const struct ethtool_ops igbvf_ethtool_ops = {
 	.get_tso		= ethtool_op_get_tso,
 	.set_tso		= igbvf_set_tso,
 	.self_test		= igbvf_diag_test,
+	.get_sset_count		= igbvf_get_sset_count,
 	.get_strings		= igbvf_get_strings,
 	.phys_id		= igbvf_phys_id,
 	.get_ethtool_stats	= igbvf_get_ethtool_stats,
-	.self_test_count	= igbvf_get_self_test_count,
-	.get_stats_count	= igbvf_get_stats_count,
 	.get_coalesce		= igbvf_get_coalesce,
 	.set_coalesce		= igbvf_set_coalesce,
 };
diff --git a/drivers/net/niu.c b/drivers/net/niu.c
index f9364d0678f..1d1e657991d 100644
--- a/drivers/net/niu.c
+++ b/drivers/net/niu.c
@@ -7855,10 +7855,13 @@ static void niu_get_strings(struct net_device *dev, u32 stringset, u8 *data)
 	}
 }
 
-static int niu_get_stats_count(struct net_device *dev)
+static int niu_get_sset_count(struct net_device *dev, int stringset)
 {
 	struct niu *np = netdev_priv(dev);
 
+	if (stringset != ETH_SS_STATS)
+		return -EINVAL;
+
 	return ((np->flags & NIU_FLAGS_XMAC ?
 		 NUM_XMAC_STAT_KEYS :
 		 NUM_BMAC_STAT_KEYS) +
@@ -7978,7 +7981,7 @@ static const struct ethtool_ops niu_ethtool_ops = {
 	.get_settings		= niu_get_settings,
 	.set_settings		= niu_set_settings,
 	.get_strings		= niu_get_strings,
-	.get_stats_count	= niu_get_stats_count,
+	.get_sset_count		= niu_get_sset_count,
 	.get_ethtool_stats	= niu_get_ethtool_stats,
 	.phys_id		= niu_phys_id,
 	.get_rxnfc		= niu_get_nfc,
-- 
GitLab


From a9828ec6bc0b7e19a65f7e13daa8bd35a926a753 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Thu, 1 Oct 2009 11:33:03 +0000
Subject: [PATCH 0004/1815] ethtool: Remove support for obsolete string query
 operations

The in-tree implementations have all been converted to
get_sset_count().

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/ethtool.h |  4 ---
 net/core/ethtool.c      | 58 +++++++----------------------------------
 2 files changed, 10 insertions(+), 52 deletions(-)

diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index 15e4eb71369..aa0dcb3833d 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -495,10 +495,6 @@ struct ethtool_ops {
 	u32     (*get_priv_flags)(struct net_device *);
 	int     (*set_priv_flags)(struct net_device *, u32);
 	int	(*get_sset_count)(struct net_device *, int);
-
-	/* the following hooks are obsolete */
-	int	(*self_test_count)(struct net_device *);/* use get_sset_count */
-	int	(*get_stats_count)(struct net_device *);/* use get_sset_count */
 	int	(*get_rxnfc)(struct net_device *, struct ethtool_rxnfc *, void *);
 	int	(*set_rxnfc)(struct net_device *, struct ethtool_rxnfc *);
 	int     (*flash_device)(struct net_device *, struct ethtool_flash *);
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 4c12ddb5f5e..e1951084b97 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -198,13 +198,6 @@ static int ethtool_get_drvinfo(struct net_device *dev, void __user *useraddr)
 		rc = ops->get_sset_count(dev, ETH_SS_PRIV_FLAGS);
 		if (rc >= 0)
 			info.n_priv_flags = rc;
-	} else {
-		/* code path for obsolete hooks */
-
-		if (ops->self_test_count)
-			info.testinfo_len = ops->self_test_count(dev);
-		if (ops->get_stats_count)
-			info.n_stats = ops->get_stats_count(dev);
 	}
 	if (ops->get_regs_len)
 		info.regdump_len = ops->get_regs_len(dev);
@@ -684,16 +677,10 @@ static int ethtool_self_test(struct net_device *dev, char __user *useraddr)
 	u64 *data;
 	int ret, test_len;
 
-	if (!ops->self_test)
-		return -EOPNOTSUPP;
-	if (!ops->get_sset_count && !ops->self_test_count)
+	if (!ops->self_test || !ops->get_sset_count)
 		return -EOPNOTSUPP;
 
-	if (ops->get_sset_count)
-		test_len = ops->get_sset_count(dev, ETH_SS_TEST);
-	else
-		/* code path for obsolete hook */
-		test_len = ops->self_test_count(dev);
+	test_len = ops->get_sset_count(dev, ETH_SS_TEST);
 	if (test_len < 0)
 		return test_len;
 	WARN_ON(test_len == 0);
@@ -728,36 +715,17 @@ static int ethtool_get_strings(struct net_device *dev, void __user *useraddr)
 	u8 *data;
 	int ret;
 
-	if (!ops->get_strings)
+	if (!ops->get_strings || !ops->get_sset_count)
 		return -EOPNOTSUPP;
 
 	if (copy_from_user(&gstrings, useraddr, sizeof(gstrings)))
 		return -EFAULT;
 
-	if (ops->get_sset_count) {
-		ret = ops->get_sset_count(dev, gstrings.string_set);
-		if (ret < 0)
-			return ret;
-
-		gstrings.len = ret;
-	} else {
-		/* code path for obsolete hooks */
-
-		switch (gstrings.string_set) {
-		case ETH_SS_TEST:
-			if (!ops->self_test_count)
-				return -EOPNOTSUPP;
-			gstrings.len = ops->self_test_count(dev);
-			break;
-		case ETH_SS_STATS:
-			if (!ops->get_stats_count)
-				return -EOPNOTSUPP;
-			gstrings.len = ops->get_stats_count(dev);
-			break;
-		default:
-			return -EINVAL;
-		}
-	}
+	ret = ops->get_sset_count(dev, gstrings.string_set);
+	if (ret < 0)
+		return ret;
+
+	gstrings.len = ret;
 
 	data = kmalloc(gstrings.len * ETH_GSTRING_LEN, GFP_USER);
 	if (!data)
@@ -798,16 +766,10 @@ static int ethtool_get_stats(struct net_device *dev, void __user *useraddr)
 	u64 *data;
 	int ret, n_stats;
 
-	if (!ops->get_ethtool_stats)
-		return -EOPNOTSUPP;
-	if (!ops->get_sset_count && !ops->get_stats_count)
+	if (!ops->get_ethtool_stats || !ops->get_sset_count)
 		return -EOPNOTSUPP;
 
-	if (ops->get_sset_count)
-		n_stats = ops->get_sset_count(dev, ETH_SS_STATS);
-	else
-		/* code path for obsolete hook */
-		n_stats = ops->get_stats_count(dev);
+	n_stats = ops->get_sset_count(dev, ETH_SS_STATS);
 	if (n_stats < 0)
 		return n_stats;
 	WARN_ON(n_stats == 0);
-- 
GitLab


From b3a5b6cc7cab89dcc3301add750f88019d910a2b Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 24 Sep 2009 12:16:51 +0000
Subject: [PATCH 0005/1815] icmp: No need to call sk_write_space()

We can make icmp messages tx completion callback a litle bit faster.

Setting SOCK_USE_WRITE_QUEUE sk flag tells sock_wfree() to
not call sk_write_space() on a socket we know no thread is posssibly
waiting for write space. (on per cpu kernel internal icmp sockets only)

This avoids the sock_def_write_space() call and
read_lock(&sk->sk_callback_lock)/read_unlock(&sk->sk_callback_lock) calls
as well.

We avoid three atomic ops.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/icmp.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 5bc13fe816d..84adb5754c9 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -1165,6 +1165,10 @@ static int __net_init icmp_sk_init(struct net *net)
 		sk->sk_sndbuf =
 			(2 * ((64 * 1024) + sizeof(struct sk_buff)));
 
+		/*
+		 * Speedup sock_wfree()
+		 */
+		sock_set_flag(sk, SOCK_USE_WRITE_QUEUE);
 		inet_sk(sk)->pmtudisc = IP_PMTUDISC_DONT;
 	}
 
-- 
GitLab


From 0835acfe72e43b2f9bd46ec8c0d219e94c3525e0 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 30 Sep 2009 13:03:33 +0000
Subject: [PATCH 0006/1815] pktgen: Avoid dirtying skb->users when txq is full

We can avoid two atomic ops on skb->users if packet is not going to be
sent to the device (because hardware txqueue is full)

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/pktgen.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index b69455217ed..e856ab0d074 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -3441,12 +3441,14 @@ static void pktgen_xmit(struct pktgen_dev *pkt_dev)
 	txq = netdev_get_tx_queue(odev, queue_map);
 
 	__netif_tx_lock_bh(txq);
-	atomic_inc(&(pkt_dev->skb->users));
 
-	if (unlikely(netif_tx_queue_stopped(txq) || netif_tx_queue_frozen(txq)))
+	if (unlikely(netif_tx_queue_stopped(txq) || netif_tx_queue_frozen(txq))) {
 		ret = NETDEV_TX_BUSY;
-	else
-		ret = (*xmit)(pkt_dev->skb, odev);
+		pkt_dev->last_ok = 0;
+		goto unlock;
+	}
+	atomic_inc(&(pkt_dev->skb->users));
+	ret = (*xmit)(pkt_dev->skb, odev);
 
 	switch (ret) {
 	case NETDEV_TX_OK:
@@ -3468,6 +3470,7 @@ static void pktgen_xmit(struct pktgen_dev *pkt_dev)
 		atomic_dec(&(pkt_dev->skb->users));
 		pkt_dev->last_ok = 0;
 	}
+unlock:
 	__netif_tx_unlock_bh(txq);
 
 	/* If pkt_dev->count is zero, then run forever */
-- 
GitLab


From 69ef9694099802f7feeb23182dfb869e7c5f76f0 Mon Sep 17 00:00:00 2001
From: "chaithrika@ti.com" <chaithrika@ti.com>
Date: Thu, 1 Oct 2009 10:25:19 +0000
Subject: [PATCH 0007/1815] TI DaVinci EMAC: Minor macro related updates

Use BIT for macro definitions wherever possible, remove
unused and redundant macros.

Signed-off-by: Chaithrika U S <chaithrika@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/davinci_emac.c | 26 +++++++++++---------------
 1 file changed, 11 insertions(+), 15 deletions(-)

diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c
index 65a2d0ba64e..a421ec046b3 100644
--- a/drivers/net/davinci_emac.c
+++ b/drivers/net/davinci_emac.c
@@ -164,16 +164,14 @@ static const char emac_version_string[] = "TI DaVinci EMAC Linux v6.1";
 # define EMAC_MBP_MCASTCHAN(ch)		((ch) & 0x7)
 
 /* EMAC mac_control register */
-#define EMAC_MACCONTROL_TXPTYPE		(0x200)
-#define EMAC_MACCONTROL_TXPACEEN	(0x40)
-#define EMAC_MACCONTROL_MIIEN		(0x20)
-#define EMAC_MACCONTROL_GIGABITEN	(0x80)
-#define EMAC_MACCONTROL_GIGABITEN_SHIFT (7)
-#define EMAC_MACCONTROL_FULLDUPLEXEN	(0x1)
+#define EMAC_MACCONTROL_TXPTYPE		BIT(9)
+#define EMAC_MACCONTROL_TXPACEEN	BIT(6)
+#define EMAC_MACCONTROL_GMIIEN		BIT(5)
+#define EMAC_MACCONTROL_GIGABITEN	BIT(7)
+#define EMAC_MACCONTROL_FULLDUPLEXEN	BIT(0)
 #define EMAC_MACCONTROL_RMIISPEED_MASK	BIT(15)
 
 /* GIGABIT MODE related bits */
-#define EMAC_DM646X_MACCONTORL_GMIIEN	BIT(5)
 #define EMAC_DM646X_MACCONTORL_GIG	BIT(7)
 #define EMAC_DM646X_MACCONTORL_GIGFORCE	BIT(17)
 
@@ -192,10 +190,10 @@ static const char emac_version_string[] = "TI DaVinci EMAC Linux v6.1";
 #define EMAC_RX_BUFFER_OFFSET_MASK	(0xFFFF)
 
 /* MAC_IN_VECTOR (0x180) register bit fields */
-#define EMAC_DM644X_MAC_IN_VECTOR_HOST_INT	      (0x20000)
-#define EMAC_DM644X_MAC_IN_VECTOR_STATPEND_INT	      (0x10000)
-#define EMAC_DM644X_MAC_IN_VECTOR_RX_INT_VEC	      (0x0100)
-#define EMAC_DM644X_MAC_IN_VECTOR_TX_INT_VEC	      (0x01)
+#define EMAC_DM644X_MAC_IN_VECTOR_HOST_INT	BIT(17)
+#define EMAC_DM644X_MAC_IN_VECTOR_STATPEND_INT	BIT(16)
+#define EMAC_DM644X_MAC_IN_VECTOR_RX_INT_VEC	BIT(8)
+#define EMAC_DM644X_MAC_IN_VECTOR_TX_INT_VEC	BIT(0)
 
 /** NOTE:: For DM646x the IN_VECTOR has changed */
 #define EMAC_DM646X_MAC_IN_VECTOR_RX_INT_VEC	BIT(EMAC_DEF_RX_CH)
@@ -203,7 +201,6 @@ static const char emac_version_string[] = "TI DaVinci EMAC Linux v6.1";
 #define EMAC_DM646X_MAC_IN_VECTOR_HOST_INT	BIT(26)
 #define EMAC_DM646X_MAC_IN_VECTOR_STATPEND_INT	BIT(27)
 
-
 /* CPPI bit positions */
 #define EMAC_CPPI_SOP_BIT		BIT(31)
 #define EMAC_CPPI_EOP_BIT		BIT(30)
@@ -747,8 +744,7 @@ static void emac_update_phystatus(struct emac_priv *priv)
 
 	if (priv->speed == SPEED_1000 && (priv->version == EMAC_VERSION_2)) {
 		mac_control = emac_read(EMAC_MACCONTROL);
-		mac_control |= (EMAC_DM646X_MACCONTORL_GMIIEN |
-				EMAC_DM646X_MACCONTORL_GIG |
+		mac_control |= (EMAC_DM646X_MACCONTORL_GIG |
 				EMAC_DM646X_MACCONTORL_GIGFORCE);
 	} else {
 		/* Clear the GIG bit and GIGFORCE bit */
@@ -2105,7 +2101,7 @@ static int emac_hw_enable(struct emac_priv *priv)
 
 	/* Enable MII */
 	val = emac_read(EMAC_MACCONTROL);
-	val |= (EMAC_MACCONTROL_MIIEN);
+	val |= (EMAC_MACCONTROL_GMIIEN);
 	emac_write(EMAC_MACCONTROL, val);
 
 	/* Enable NAPI and interrupts */
-- 
GitLab


From 977750076d98c7ff6cbda51858bb5a5894a9d9ab Mon Sep 17 00:00:00 2001
From: Neil Horman <nhorman@tuxdriver.com>
Date: Fri, 2 Oct 2009 06:56:41 +0000
Subject: [PATCH 0008/1815] af_packet: add interframe drop cmsg (v6)

Add Ancilliary data to better represent loss information

I've had a few requests recently to provide more detail regarding frame loss
during an AF_PACKET packet capture session.  Specifically the requestors want to
see where in a packet sequence frames were lost, i.e. they want to see that 40
frames were lost between frames 302 and 303 in a packet capture file.  In order
to do this we need:

1) The kernel to export this data to user space
2) The applications to make use of it

This patch addresses item (1).  It does this by doing the following:

A) Anytime we drop a frame for which we would increment po->stats.tp_drops, we
also no increment a stats called po->stats.tp_gap.

B) Every time we successfully enqueue a frame to sk_receive_queue, we record the
value of po->stats.tp_gap in skb->mark.  skb->cb would nominally be the place to
record this, but since all the space there is used up, we're overloading
skb->mark.  Its safe to do since any enqueued packet is guaranteed to be
unshared at this point, and skb->mark isn't used for anything else in the rx
path to the application.  After we record tp_gap in the skb, we zero
po->stats.tp_gap.  This allows us to keep a counter of the number of frames lost
between any two enqueued packets

C) When the application goes to dequeue a frame from the packet socket, we look
at skb->mark for that frame.  If it is non-zero, we add a cmsg chunk to the
msghdr of level SOL_PACKET and type PACKET_GAPDATA.  Its a 32 bit integer that
represents the number of frames lost between this packet and the last previous
frame received.

Note there is a chance that if there is frame loss after a receive, and then the
socket is closed, some gap data might be lost.  This is covered by the use of
the PACKET_AUXDATA socket option, which gives total loss data.  With a bit of
math, the final gap can be determined that way.

I've tested this patch myself, and it works well.

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>

 include/linux/if_packet.h |    2 ++
 net/packet/af_packet.c    |   33 +++++++++++++++++++++++++++++++++
 2 files changed, 35 insertions(+)
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/if_packet.h |  2 ++
 net/packet/af_packet.c    | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 35 insertions(+)

diff --git a/include/linux/if_packet.h b/include/linux/if_packet.h
index dea7d6b7cf9..e5d200f53fc 100644
--- a/include/linux/if_packet.h
+++ b/include/linux/if_packet.h
@@ -48,11 +48,13 @@ struct sockaddr_ll
 #define PACKET_RESERVE			12
 #define PACKET_TX_RING			13
 #define PACKET_LOSS			14
+#define PACKET_GAPDATA			15
 
 struct tpacket_stats
 {
 	unsigned int	tp_packets;
 	unsigned int	tp_drops;
+	unsigned int    tp_gap;
 };
 
 struct tpacket_auxdata
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index d7ecca0a0c0..d398a9bf690 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -523,6 +523,31 @@ static inline unsigned int run_filter(struct sk_buff *skb, struct sock *sk,
 	return res;
 }
 
+/*
+ * If we've lost frames since the last time we queued one to the
+ * sk_receive_queue, we need to record it here.
+ * This must be called under the protection of the socket lock
+ * to prevent racing with other softirqs and user space
+ */
+static inline void record_packet_gap(struct sk_buff *skb,
+					struct packet_sock *po)
+{
+	/*
+	 * We overload the mark field here, since we're about
+	 * to enqueue to a receive queue and no body else will
+	 * use this field at this point
+	 */
+	skb->mark = po->stats.tp_gap;
+	po->stats.tp_gap = 0;
+	return;
+
+}
+
+static inline __u32 check_packet_gap(struct sk_buff *skb)
+{
+	return skb->mark;
+}
+
 /*
    This function makes lazy skb cloning in hope that most of packets
    are discarded by BPF.
@@ -626,6 +651,7 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev,
 
 	spin_lock(&sk->sk_receive_queue.lock);
 	po->stats.tp_packets++;
+	record_packet_gap(skb, po);
 	__skb_queue_tail(&sk->sk_receive_queue, skb);
 	spin_unlock(&sk->sk_receive_queue.lock);
 	sk->sk_data_ready(sk, skb->len);
@@ -634,6 +660,7 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev,
 drop_n_acct:
 	spin_lock(&sk->sk_receive_queue.lock);
 	po->stats.tp_drops++;
+	po->stats.tp_gap++;
 	spin_unlock(&sk->sk_receive_queue.lock);
 
 drop_n_restore:
@@ -811,6 +838,7 @@ drop:
 
 ring_is_full:
 	po->stats.tp_drops++;
+	po->stats.tp_gap++;
 	spin_unlock(&sk->sk_receive_queue.lock);
 
 	sk->sk_data_ready(sk, 0);
@@ -1418,6 +1446,7 @@ static int packet_recvmsg(struct kiocb *iocb, struct socket *sock,
 	struct sk_buff *skb;
 	int copied, err;
 	struct sockaddr_ll *sll;
+	__u32 gap;
 
 	err = -EINVAL;
 	if (flags & ~(MSG_PEEK|MSG_DONTWAIT|MSG_TRUNC|MSG_CMSG_COMPAT))
@@ -1496,6 +1525,10 @@ static int packet_recvmsg(struct kiocb *iocb, struct socket *sock,
 		put_cmsg(msg, SOL_PACKET, PACKET_AUXDATA, sizeof(aux), &aux);
 	}
 
+	gap = check_packet_gap(skb);
+	if (gap)
+		put_cmsg(msg, SOL_PACKET, PACKET_GAPDATA, sizeof(__u32), &gap);
+
 	/*
 	 *	Free or return the buffer as appropriate. Again this
 	 *	hides all the races and re-entrancy issues from us.
-- 
GitLab


From 16c6cf8bb471392fd09b48b7c27e7d83a446b4bc Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Sun, 20 Sep 2009 10:35:36 +0000
Subject: [PATCH 0009/1815] ipv4: fib table algorithm performance improvement

The FIB algorithim for IPV4 is set at compile time, but kernel goes through
the overhead of function call indirection at runtime. Save some
cycles by turning the indirect calls to direct calls to either
hash or trie code.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/ip_fib.h    | 25 ++++++++++++++-----------
 net/ipv4/fib_frontend.c | 26 +++++++++++++-------------
 net/ipv4/fib_hash.c     | 25 ++++++++++---------------
 net/ipv4/fib_rules.c    |  2 +-
 net/ipv4/fib_trie.c     | 26 ++++++++++----------------
 5 files changed, 48 insertions(+), 56 deletions(-)

diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index ef91fe924ba..68fd5ebd094 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -144,18 +144,21 @@ struct fib_table {
 	struct hlist_node tb_hlist;
 	u32		tb_id;
 	int		tb_default;
-	int		(*tb_lookup)(struct fib_table *tb, const struct flowi *flp, struct fib_result *res);
-	int		(*tb_insert)(struct fib_table *, struct fib_config *);
-	int		(*tb_delete)(struct fib_table *, struct fib_config *);
-	int		(*tb_dump)(struct fib_table *table, struct sk_buff *skb,
-				     struct netlink_callback *cb);
-	int		(*tb_flush)(struct fib_table *table);
-	void		(*tb_select_default)(struct fib_table *table,
-					     const struct flowi *flp, struct fib_result *res);
-
 	unsigned char	tb_data[0];
 };
 
+extern int fib_table_lookup(struct fib_table *tb, const struct flowi *flp,
+			    struct fib_result *res);
+extern int fib_table_insert(struct fib_table *, struct fib_config *);
+extern int fib_table_delete(struct fib_table *, struct fib_config *);
+extern int fib_table_dump(struct fib_table *table, struct sk_buff *skb,
+			  struct netlink_callback *cb);
+extern int fib_table_flush(struct fib_table *table);
+extern void fib_table_select_default(struct fib_table *table,
+				     const struct flowi *flp,
+				     struct fib_result *res);
+
+
 #ifndef CONFIG_IP_MULTIPLE_TABLES
 
 #define TABLE_LOCAL_INDEX	0
@@ -182,11 +185,11 @@ static inline int fib_lookup(struct net *net, const struct flowi *flp,
 	struct fib_table *table;
 
 	table = fib_get_table(net, RT_TABLE_LOCAL);
-	if (!table->tb_lookup(table, flp, res))
+	if (!fib_table_lookup(table, flp, res))
 		return 0;
 
 	table = fib_get_table(net, RT_TABLE_MAIN);
-	if (!table->tb_lookup(table, flp, res))
+	if (!fib_table_lookup(table, flp, res))
 		return 0;
 	return -ENETUNREACH;
 }
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index e2f95059256..f73dbed0f0d 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -125,7 +125,7 @@ void fib_select_default(struct net *net,
 #endif
 	tb = fib_get_table(net, table);
 	if (FIB_RES_GW(*res) && FIB_RES_NH(*res).nh_scope == RT_SCOPE_LINK)
-		tb->tb_select_default(tb, flp, res);
+		fib_table_select_default(tb, flp, res);
 }
 
 static void fib_flush(struct net *net)
@@ -139,7 +139,7 @@ static void fib_flush(struct net *net)
 	for (h = 0; h < FIB_TABLE_HASHSZ; h++) {
 		head = &net->ipv4.fib_table_hash[h];
 		hlist_for_each_entry(tb, node, head, tb_hlist)
-			flushed += tb->tb_flush(tb);
+			flushed += fib_table_flush(tb);
 	}
 
 	if (flushed)
@@ -162,7 +162,7 @@ struct net_device * ip_dev_find(struct net *net, __be32 addr)
 #endif
 
 	local_table = fib_get_table(net, RT_TABLE_LOCAL);
-	if (!local_table || local_table->tb_lookup(local_table, &fl, &res))
+	if (!local_table || fib_table_lookup(local_table, &fl, &res))
 		return NULL;
 	if (res.type != RTN_LOCAL)
 		goto out;
@@ -200,7 +200,7 @@ static inline unsigned __inet_dev_addr_type(struct net *net,
 	local_table = fib_get_table(net, RT_TABLE_LOCAL);
 	if (local_table) {
 		ret = RTN_UNICAST;
-		if (!local_table->tb_lookup(local_table, &fl, &res)) {
+		if (!fib_table_lookup(local_table, &fl, &res)) {
 			if (!dev || dev == res.fi->fib_dev)
 				ret = res.type;
 			fib_res_put(&res);
@@ -473,13 +473,13 @@ int ip_rt_ioctl(struct net *net, unsigned int cmd, void __user *arg)
 			if (cmd == SIOCDELRT) {
 				tb = fib_get_table(net, cfg.fc_table);
 				if (tb)
-					err = tb->tb_delete(tb, &cfg);
+					err = fib_table_delete(tb, &cfg);
 				else
 					err = -ESRCH;
 			} else {
 				tb = fib_new_table(net, cfg.fc_table);
 				if (tb)
-					err = tb->tb_insert(tb, &cfg);
+					err = fib_table_insert(tb, &cfg);
 				else
 					err = -ENOBUFS;
 			}
@@ -594,7 +594,7 @@ static int inet_rtm_delroute(struct sk_buff *skb, struct nlmsghdr *nlh, void *ar
 		goto errout;
 	}
 
-	err = tb->tb_delete(tb, &cfg);
+	err = fib_table_delete(tb, &cfg);
 errout:
 	return err;
 }
@@ -616,7 +616,7 @@ static int inet_rtm_newroute(struct sk_buff *skb, struct nlmsghdr *nlh, void *ar
 		goto errout;
 	}
 
-	err = tb->tb_insert(tb, &cfg);
+	err = fib_table_insert(tb, &cfg);
 errout:
 	return err;
 }
@@ -647,7 +647,7 @@ static int inet_dump_fib(struct sk_buff *skb, struct netlink_callback *cb)
 			if (dumped)
 				memset(&cb->args[2], 0, sizeof(cb->args) -
 						 2 * sizeof(cb->args[0]));
-			if (tb->tb_dump(tb, skb, cb) < 0)
+			if (fib_table_dump(tb, skb, cb) < 0)
 				goto out;
 			dumped = 1;
 next:
@@ -701,9 +701,9 @@ static void fib_magic(int cmd, int type, __be32 dst, int dst_len, struct in_ifad
 		cfg.fc_scope = RT_SCOPE_HOST;
 
 	if (cmd == RTM_NEWROUTE)
-		tb->tb_insert(tb, &cfg);
+		fib_table_insert(tb, &cfg);
 	else
-		tb->tb_delete(tb, &cfg);
+		fib_table_delete(tb, &cfg);
 }
 
 void fib_add_ifaddr(struct in_ifaddr *ifa)
@@ -832,7 +832,7 @@ static void nl_fib_lookup(struct fib_result_nl *frn, struct fib_table *tb )
 		local_bh_disable();
 
 		frn->tb_id = tb->tb_id;
-		frn->err = tb->tb_lookup(tb, &fl, &res);
+		frn->err = fib_table_lookup(tb, &fl, &res);
 
 		if (!frn->err) {
 			frn->prefixlen = res.prefixlen;
@@ -1009,7 +1009,7 @@ static void __net_exit ip_fib_net_exit(struct net *net)
 		head = &net->ipv4.fib_table_hash[i];
 		hlist_for_each_entry_safe(tb, node, tmp, head, tb_hlist) {
 			hlist_del(node);
-			tb->tb_flush(tb);
+			fib_table_flush(tb);
 			kfree(tb);
 		}
 	}
diff --git a/net/ipv4/fib_hash.c b/net/ipv4/fib_hash.c
index ecd39454235..14972017b9c 100644
--- a/net/ipv4/fib_hash.c
+++ b/net/ipv4/fib_hash.c
@@ -242,8 +242,8 @@ fn_new_zone(struct fn_hash *table, int z)
 	return fz;
 }
 
-static int
-fn_hash_lookup(struct fib_table *tb, const struct flowi *flp, struct fib_result *res)
+int fib_table_lookup(struct fib_table *tb,
+		     const struct flowi *flp, struct fib_result *res)
 {
 	int err;
 	struct fn_zone *fz;
@@ -274,8 +274,8 @@ out:
 	return err;
 }
 
-static void
-fn_hash_select_default(struct fib_table *tb, const struct flowi *flp, struct fib_result *res)
+void fib_table_select_default(struct fib_table *tb,
+			      const struct flowi *flp, struct fib_result *res)
 {
 	int order, last_idx;
 	struct hlist_node *node;
@@ -366,7 +366,7 @@ static struct fib_node *fib_find_node(struct fn_zone *fz, __be32 key)
 	return NULL;
 }
 
-static int fn_hash_insert(struct fib_table *tb, struct fib_config *cfg)
+int fib_table_insert(struct fib_table *tb, struct fib_config *cfg)
 {
 	struct fn_hash *table = (struct fn_hash *) tb->tb_data;
 	struct fib_node *new_f = NULL;
@@ -544,8 +544,7 @@ out:
 	return err;
 }
 
-
-static int fn_hash_delete(struct fib_table *tb, struct fib_config *cfg)
+int fib_table_delete(struct fib_table *tb, struct fib_config *cfg)
 {
 	struct fn_hash *table = (struct fn_hash *)tb->tb_data;
 	struct fib_node *f;
@@ -662,7 +661,7 @@ static int fn_flush_list(struct fn_zone *fz, int idx)
 	return found;
 }
 
-static int fn_hash_flush(struct fib_table *tb)
+int fib_table_flush(struct fib_table *tb)
 {
 	struct fn_hash *table = (struct fn_hash *) tb->tb_data;
 	struct fn_zone *fz;
@@ -743,7 +742,8 @@ fn_hash_dump_zone(struct sk_buff *skb, struct netlink_callback *cb,
 	return skb->len;
 }
 
-static int fn_hash_dump(struct fib_table *tb, struct sk_buff *skb, struct netlink_callback *cb)
+int fib_table_dump(struct fib_table *tb, struct sk_buff *skb,
+		   struct netlink_callback *cb)
 {
 	int m, s_m;
 	struct fn_zone *fz;
@@ -787,12 +787,7 @@ struct fib_table *fib_hash_table(u32 id)
 
 	tb->tb_id = id;
 	tb->tb_default = -1;
-	tb->tb_lookup = fn_hash_lookup;
-	tb->tb_insert = fn_hash_insert;
-	tb->tb_delete = fn_hash_delete;
-	tb->tb_flush = fn_hash_flush;
-	tb->tb_select_default = fn_hash_select_default;
-	tb->tb_dump = fn_hash_dump;
+
 	memset(tb->tb_data, 0, sizeof(struct fn_hash));
 	return tb;
 }
diff --git a/net/ipv4/fib_rules.c b/net/ipv4/fib_rules.c
index 92d9d97ec5e..835262c2b86 100644
--- a/net/ipv4/fib_rules.c
+++ b/net/ipv4/fib_rules.c
@@ -94,7 +94,7 @@ static int fib4_rule_action(struct fib_rule *rule, struct flowi *flp,
 	if ((tbl = fib_get_table(rule->fr_net, rule->table)) == NULL)
 		goto errout;
 
-	err = tbl->tb_lookup(tbl, flp, (struct fib_result *) arg->result);
+	err = fib_table_lookup(tbl, flp, (struct fib_result *) arg->result);
 	if (err > 0)
 		err = -EAGAIN;
 errout:
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 291bdf50a21..af5d8979286 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -1174,7 +1174,7 @@ done:
 /*
  * Caller must hold RTNL.
  */
-static int fn_trie_insert(struct fib_table *tb, struct fib_config *cfg)
+int fib_table_insert(struct fib_table *tb, struct fib_config *cfg)
 {
 	struct trie *t = (struct trie *) tb->tb_data;
 	struct fib_alias *fa, *new_fa;
@@ -1373,8 +1373,8 @@ static int check_leaf(struct trie *t, struct leaf *l,
 	return 1;
 }
 
-static int fn_trie_lookup(struct fib_table *tb, const struct flowi *flp,
-			  struct fib_result *res)
+int fib_table_lookup(struct fib_table *tb, const struct flowi *flp,
+		     struct fib_result *res)
 {
 	struct trie *t = (struct trie *) tb->tb_data;
 	int ret;
@@ -1595,7 +1595,7 @@ static void trie_leaf_remove(struct trie *t, struct leaf *l)
 /*
  * Caller must hold RTNL.
  */
-static int fn_trie_delete(struct fib_table *tb, struct fib_config *cfg)
+int fib_table_delete(struct fib_table *tb, struct fib_config *cfg)
 {
 	struct trie *t = (struct trie *) tb->tb_data;
 	u32 key, mask;
@@ -1786,7 +1786,7 @@ static struct leaf *trie_leafindex(struct trie *t, int index)
 /*
  * Caller must hold RTNL.
  */
-static int fn_trie_flush(struct fib_table *tb)
+int fib_table_flush(struct fib_table *tb)
 {
 	struct trie *t = (struct trie *) tb->tb_data;
 	struct leaf *l, *ll = NULL;
@@ -1807,9 +1807,9 @@ static int fn_trie_flush(struct fib_table *tb)
 	return found;
 }
 
-static void fn_trie_select_default(struct fib_table *tb,
-				   const struct flowi *flp,
-				   struct fib_result *res)
+void fib_table_select_default(struct fib_table *tb,
+			      const struct flowi *flp,
+			      struct fib_result *res)
 {
 	struct trie *t = (struct trie *) tb->tb_data;
 	int order, last_idx;
@@ -1952,8 +1952,8 @@ static int fn_trie_dump_leaf(struct leaf *l, struct fib_table *tb,
 	return skb->len;
 }
 
-static int fn_trie_dump(struct fib_table *tb, struct sk_buff *skb,
-			struct netlink_callback *cb)
+int fib_table_dump(struct fib_table *tb, struct sk_buff *skb,
+		   struct netlink_callback *cb)
 {
 	struct leaf *l;
 	struct trie *t = (struct trie *) tb->tb_data;
@@ -2020,12 +2020,6 @@ struct fib_table *fib_hash_table(u32 id)
 
 	tb->tb_id = id;
 	tb->tb_default = -1;
-	tb->tb_lookup = fn_trie_lookup;
-	tb->tb_insert = fn_trie_insert;
-	tb->tb_delete = fn_trie_delete;
-	tb->tb_flush = fn_trie_flush;
-	tb->tb_select_default = fn_trie_select_default;
-	tb->tb_dump = fn_trie_dump;
 
 	t = (struct trie *) tb->tb_data;
 	memset(t, 0, sizeof(*t));
-- 
GitLab


From 0bfbedb14a8a96c529341bec88991a92b41fac72 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Mon, 5 Oct 2009 00:11:22 -0700
Subject: [PATCH 0010/1815] tunnels: Optimize tx path

We currently dirty a cache line to update tunnel device stats
(tx_packets/tx_bytes). We better use the txq->tx_bytes/tx_packets
counters that already are present in cpu cache, in the cache
line shared with txq->_xmit_lock

This patch extends IPTUNNEL_XMIT() macro to use txq pointer
provided by the caller.

Also &tunnel->dev->stats can be replaced by &dev->stats

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/ipip.h | 6 +++---
 net/ipv4/ip_gre.c  | 5 +++--
 net/ipv4/ipip.c    | 5 +++--
 net/ipv6/sit.c     | 5 +++--
 4 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/include/net/ipip.h b/include/net/ipip.h
index 87acf8f3a15..0159221a850 100644
--- a/include/net/ipip.h
+++ b/include/net/ipip.h
@@ -42,9 +42,9 @@ struct ip_tunnel_prl_entry
 	ip_select_ident(iph, &rt->u.dst, NULL);				\
 									\
 	err = ip_local_out(skb);					\
-	if (net_xmit_eval(err) == 0) {					\
-		stats->tx_bytes += pkt_len;				\
-		stats->tx_packets++;					\
+	if (likely(net_xmit_eval(err) == 0)) {				\
+		txq->tx_bytes += pkt_len;				\
+		txq->tx_packets++;					\
 	} else {							\
 		stats->tx_errors++;					\
 		stats->tx_aborted_errors++;				\
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 41ada9904d3..89ff9d5b150 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -662,7 +662,8 @@ drop_nolock:
 static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	struct ip_tunnel *tunnel = netdev_priv(dev);
-	struct net_device_stats *stats = &tunnel->dev->stats;
+	struct net_device_stats *stats = &dev->stats;
+	struct netdev_queue *txq = netdev_get_tx_queue(dev, 0);
 	struct iphdr  *old_iph = ip_hdr(skb);
 	struct iphdr  *tiph;
 	u8     tos;
@@ -810,7 +811,7 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
 		struct sk_buff *new_skb = skb_realloc_headroom(skb, max_headroom);
 		if (!new_skb) {
 			ip_rt_put(rt);
-			stats->tx_dropped++;
+			txq->tx_dropped++;
 			dev_kfree_skb(skb);
 			return NETDEV_TX_OK;
 		}
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 08ccd344de7..6a5539236ab 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -390,7 +390,8 @@ static int ipip_rcv(struct sk_buff *skb)
 static netdev_tx_t ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	struct ip_tunnel *tunnel = netdev_priv(dev);
-	struct net_device_stats *stats = &tunnel->dev->stats;
+	struct net_device_stats *stats = &dev->stats;
+	struct netdev_queue *txq = netdev_get_tx_queue(dev, 0);
 	struct iphdr  *tiph = &tunnel->parms.iph;
 	u8     tos = tunnel->parms.iph.tos;
 	__be16 df = tiph->frag_off;
@@ -478,7 +479,7 @@ static netdev_tx_t ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
 		struct sk_buff *new_skb = skb_realloc_headroom(skb, max_headroom);
 		if (!new_skb) {
 			ip_rt_put(rt);
-			stats->tx_dropped++;
+			txq->tx_dropped++;
 			dev_kfree_skb(skb);
 			return NETDEV_TX_OK;
 		}
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index dbd19a78ca7..99da272951d 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -555,7 +555,8 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
 				     struct net_device *dev)
 {
 	struct ip_tunnel *tunnel = netdev_priv(dev);
-	struct net_device_stats *stats = &tunnel->dev->stats;
+	struct net_device_stats *stats = &dev->stats;
+	struct netdev_queue *txq = netdev_get_tx_queue(dev, 0);
 	struct iphdr  *tiph = &tunnel->parms.iph;
 	struct ipv6hdr *iph6 = ipv6_hdr(skb);
 	u8     tos = tunnel->parms.iph.tos;
@@ -688,7 +689,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
 		struct sk_buff *new_skb = skb_realloc_headroom(skb, max_headroom);
 		if (!new_skb) {
 			ip_rt_put(rt);
-			stats->tx_dropped++;
+			txq->tx_dropped++;
 			dev_kfree_skb(skb);
 			return NETDEV_TX_OK;
 		}
-- 
GitLab


From e1e499eef2200c2a7120c9ebf297d48b195cf887 Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Fri, 2 Oct 2009 05:15:25 +0000
Subject: [PATCH 0011/1815] usbnet: Use wwan%d interface name for mobile
 broadband devices

Add support for usbnet based devices like CDC-Ether to indicate that they
are actually mobile broadband devices. In that case use wwan%d as default
interface name.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/usb/cdc_ether.c | 20 ++++++++++++++------
 drivers/net/usb/usbnet.c    |  3 +++
 include/linux/usb/usbnet.h  |  1 +
 3 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index 4a6aff57940..71e65fc10e6 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -420,6 +420,14 @@ static const struct driver_info	cdc_info = {
 	.status =	cdc_status,
 };
 
+static const struct driver_info mbm_info = {
+	.description =	"Mobile Broadband Network Device",
+	.flags =	FLAG_WWAN,
+	.bind = 	cdc_bind,
+	.unbind =	usbnet_cdc_unbind,
+	.status =	cdc_status,
+};
+
 /*-------------------------------------------------------------------------*/
 
 
@@ -532,32 +540,32 @@ static const struct usb_device_id	products [] = {
 	/* Ericsson F3507g */
 	USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x1900, USB_CLASS_COMM,
 			USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
-	.driver_info = (unsigned long) &cdc_info,
+	.driver_info = (unsigned long) &mbm_info,
 }, {
 	/* Ericsson F3507g ver. 2 */
 	USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x1902, USB_CLASS_COMM,
 			USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
-	.driver_info = (unsigned long) &cdc_info,
+	.driver_info = (unsigned long) &mbm_info,
 }, {
 	/* Ericsson F3607gw */
 	USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x1904, USB_CLASS_COMM,
 			USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
-	.driver_info = (unsigned long) &cdc_info,
+	.driver_info = (unsigned long) &mbm_info,
 }, {
 	/* Ericsson F3307 */
 	USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x1906, USB_CLASS_COMM,
 			USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
-	.driver_info = (unsigned long) &cdc_info,
+	.driver_info = (unsigned long) &mbm_info,
 }, {
 	/* Toshiba F3507g */
 	USB_DEVICE_AND_INTERFACE_INFO(0x0930, 0x130b, USB_CLASS_COMM,
 			USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
-	.driver_info = (unsigned long) &cdc_info,
+	.driver_info = (unsigned long) &mbm_info,
 }, {
 	/* Dell F3507g */
 	USB_DEVICE_AND_INTERFACE_INFO(0x413c, 0x8147, USB_CLASS_COMM,
 			USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
-	.driver_info = (unsigned long) &cdc_info,
+	.driver_info = (unsigned long) &mbm_info,
 },
 	{ },		// END
 };
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index ca5ca5ae061..8124cf16259 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1295,6 +1295,9 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
 		/* WLAN devices should always be named "wlan%d" */
 		if ((dev->driver_info->flags & FLAG_WLAN) != 0)
 			strcpy(net->name, "wlan%d");
+		/* WWAN devices should always be named "wwan%d" */
+		if ((dev->driver_info->flags & FLAG_WWAN) != 0)
+			strcpy(net->name, "wwan%d");
 
 		/* maybe the remote can't receive an Ethernet MTU */
 		if (net->mtu > (dev->hard_mtu - net->hard_header_len))
diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h
index f8147305205..86c31b75326 100644
--- a/include/linux/usb/usbnet.h
+++ b/include/linux/usb/usbnet.h
@@ -90,6 +90,7 @@ struct driver_info {
 #define FLAG_WLAN	0x0080		/* use "wlan%d" names */
 #define FLAG_AVOID_UNLINK_URBS 0x0100	/* don't unlink urbs at usbnet_stop() */
 #define FLAG_SEND_ZLP	0x0200		/* hw requires ZLPs are sent */
+#define FLAG_WWAN	0x0400		/* use "wwan%d" names */
 
 
 	/* init device ... can sleep, or cause probe() failure */
-- 
GitLab


From 225794f8c33fd32721ae1cd3576db99810351d7b Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Fri, 2 Oct 2009 05:15:26 +0000
Subject: [PATCH 0012/1815] usbnet: Set device type for wlan and wwan devices

For usbnet devices with FLAG_WLAN and FLAG_WWAN set the proper device
type so that uevent contains the correct value. This then allows an easy
identification of the actual underlying technology of the Ethernet device.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/usb/usbnet.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 8124cf16259..378da8c938f 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1210,6 +1210,14 @@ static const struct net_device_ops usbnet_netdev_ops = {
 
 // precondition: never called in_interrupt
 
+static struct device_type wlan_type = {
+	.name	= "wlan",
+};
+
+static struct device_type wwan_type = {
+	.name	= "wwan",
+};
+
 int
 usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
 {
@@ -1325,6 +1333,12 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
 	dev->maxpacket = usb_maxpacket (dev->udev, dev->out, 1);
 
 	SET_NETDEV_DEV(net, &udev->dev);
+
+	if ((dev->driver_info->flags & FLAG_WLAN) != 0)
+		SET_NETDEV_DEVTYPE(net, &wlan_type);
+	if ((dev->driver_info->flags & FLAG_WWAN) != 0)
+		SET_NETDEV_DEVTYPE(net, &wwan_type);
+
 	status = register_netdev (net);
 	if (status)
 		goto out3;
-- 
GitLab


From 7ffbe3fdace0bdfcdab8dc6c77506feda0871f79 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Fri, 2 Oct 2009 05:15:27 +0000
Subject: [PATCH 0013/1815] net: introduce NETDEV_POST_INIT notifier

For various purposes including a wireless extensions
bugfix, we need to hook into the netdev creation before
before netdev_register_kobject(). This will also ease
doing the dev type assignment that Marcel was working
on for cfg80211 drivers w/o touching them all.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/notifier.h | 1 +
 net/core/dev.c           | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/include/linux/notifier.h b/include/linux/notifier.h
index 44428d247db..29714b8441b 100644
--- a/include/linux/notifier.h
+++ b/include/linux/notifier.h
@@ -201,6 +201,7 @@ static inline int notifier_to_errno(int ret)
 #define NETDEV_PRE_UP		0x000D
 #define NETDEV_BONDING_OLDTYPE  0x000E
 #define NETDEV_BONDING_NEWTYPE  0x000F
+#define NETDEV_POST_INIT	0x0010
 
 #define SYS_DOWN	0x0001	/* Notify of system down */
 #define SYS_RESTART	SYS_DOWN
diff --git a/net/core/dev.c b/net/core/dev.c
index b8f74cfb1bf..a74c8fd6955 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4836,6 +4836,12 @@ int register_netdevice(struct net_device *dev)
 		dev->features |= NETIF_F_GSO;
 
 	netdev_initialize_kobject(dev);
+
+	ret = call_netdevice_notifiers(NETDEV_POST_INIT, dev);
+	ret = notifier_to_errno(ret);
+	if (ret)
+		goto err_uninit;
+
 	ret = netdev_register_kobject(dev);
 	if (ret)
 		goto err_uninit;
-- 
GitLab


From 053a93dd126f68ba37973f95f00af6045fa7c957 Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Fri, 2 Oct 2009 05:15:28 +0000
Subject: [PATCH 0014/1815] cfg80211: assign device type in netdev notifier
 callback

Instead of having to modify every non-mac80211 for device type assignment,
do this inside the netdev notifier callback of cfg80211. So all drivers
that integrate with cfg80211 will export a proper device type.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/mac80211/iface.c | 5 -----
 net/wireless/core.c  | 7 +++++++
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index b8295cbd7e8..f6005adcbf9 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -754,10 +754,6 @@ int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
 	return 0;
 }
 
-static struct device_type wiphy_type = {
-	.name	= "wlan",
-};
-
 int ieee80211_if_add(struct ieee80211_local *local, const char *name,
 		     struct net_device **new_dev, enum nl80211_iftype type,
 		     struct vif_params *params)
@@ -789,7 +785,6 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
 
 	memcpy(ndev->dev_addr, local->hw.wiphy->perm_addr, ETH_ALEN);
 	SET_NETDEV_DEV(ndev, wiphy_dev(local->hw.wiphy));
-	SET_NETDEV_DEVTYPE(ndev, &wiphy_type);
 
 	/* don't use IEEE80211_DEV_TO_SUB_IF because it checks too much */
 	sdata = netdev_priv(ndev);
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 45b2be3274d..e6f02e98e5f 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -625,6 +625,10 @@ static void wdev_cleanup_work(struct work_struct *work)
 	dev_put(wdev->netdev);
 }
 
+static struct device_type wiphy_type = {
+	.name	= "wlan",
+};
+
 static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
 					 unsigned long state,
 					 void *ndev)
@@ -641,6 +645,9 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
 	WARN_ON(wdev->iftype == NL80211_IFTYPE_UNSPECIFIED);
 
 	switch (state) {
+	case NETDEV_POST_INIT:
+		SET_NETDEV_DEVTYPE(dev, &wiphy_type);
+		break;
 	case NETDEV_REGISTER:
 		/*
 		 * NB: cannot take rdev->mtx here because this may be
-- 
GitLab


From d519e17e2d01a0ee9abe083019532061b4438065 Mon Sep 17 00:00:00 2001
From: Andy Gospodarek <andy@greyhouse.net>
Date: Fri, 2 Oct 2009 09:26:12 +0000
Subject: [PATCH 0015/1815] net: export device speed and duplex via sysfs

This patch exports the link-speed (in Mbps) and duplex of an interface
via sysfs.  This eliminates the need to use ethtool just to check the
link-speed.  Not requiring 'ethtool' and not relying on the SIOCETHTOOL
ioctl should be helpful in an embedded environment where space is at a
premium as well.

NOTE: This patch also intentionally allows non-root users to check the link
speed and duplex -- something not possible with ethtool.

Here's some sample output:

# cat /sys/class/net/eth0/speed
100
# cat /sys/class/net/eth0/duplex
half
# ethtool eth0
Settings for eth0:
        Supported ports: [ TP ]
        Supported link modes:   10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full
                                1000baseT/Half 1000baseT/Full
        Supports auto-negotiation: Yes
        Advertised link modes:  Not reported
        Advertised auto-negotiation: No
        Speed: 100Mb/s
        Duplex: Half
        Port: Twisted Pair
        PHYAD: 1
        Transceiver: internal
        Auto-negotiation: off
        Supports Wake-on: g
        Wake-on: g
        Current message level: 0x000000ff (255)
        Link detected: yes

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/net-sysfs.c | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 821d30918cf..effb78410eb 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -130,6 +130,44 @@ static ssize_t show_carrier(struct device *dev,
 	return -EINVAL;
 }
 
+static ssize_t show_speed(struct device *dev,
+			  struct device_attribute *attr, char *buf)
+{
+	struct net_device *netdev = to_net_dev(dev);
+	int ret = -EINVAL;
+
+	if (!rtnl_trylock())
+		return restart_syscall();
+
+	if (netif_running(netdev) && netdev->ethtool_ops->get_settings) {
+		struct ethtool_cmd cmd = { ETHTOOL_GSET };
+
+		if (!netdev->ethtool_ops->get_settings(netdev, &cmd))
+			ret = sprintf(buf, fmt_dec, ethtool_cmd_speed(&cmd));
+	}
+	rtnl_unlock();
+	return ret;
+}
+
+static ssize_t show_duplex(struct device *dev,
+			   struct device_attribute *attr, char *buf)
+{
+	struct net_device *netdev = to_net_dev(dev);
+	int ret = -EINVAL;
+
+	if (!rtnl_trylock())
+		return restart_syscall();
+
+	if (netif_running(netdev) && netdev->ethtool_ops->get_settings) {
+		struct ethtool_cmd cmd = { ETHTOOL_GSET };
+
+		if (!netdev->ethtool_ops->get_settings(netdev, &cmd))
+			ret = sprintf(buf, "%s\n", cmd.duplex ? "full" : "half");
+	}
+	rtnl_unlock();
+	return ret;
+}
+
 static ssize_t show_dormant(struct device *dev,
 			    struct device_attribute *attr, char *buf)
 {
@@ -259,6 +297,8 @@ static struct device_attribute net_class_attributes[] = {
 	__ATTR(address, S_IRUGO, show_address, NULL),
 	__ATTR(broadcast, S_IRUGO, show_broadcast, NULL),
 	__ATTR(carrier, S_IRUGO, show_carrier, NULL),
+	__ATTR(speed, S_IRUGO, show_speed, NULL),
+	__ATTR(duplex, S_IRUGO, show_duplex, NULL),
 	__ATTR(dormant, S_IRUGO, show_dormant, NULL),
 	__ATTR(operstate, S_IRUGO, show_operstate, NULL),
 	__ATTR(mtu, S_IRUGO | S_IWUSR, show_mtu, store_mtu),
-- 
GitLab


From cc9073bbc901a0b695c9c5966d65520c29af70af Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Mon, 5 Oct 2009 06:31:25 +0000
Subject: [PATCH 0016/1815] igb: remove unused temp variable from stats
 clearing path

There is a temp variable in the stats clearing path that isn't needed since
the results from the stats read can be immediately discared.  Since it
isn't needed we might as well just drop it from the function call.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/e1000_82575.c | 96 +++++++++++++++++------------------
 drivers/net/igb/e1000_mac.c   | 76 ++++++++++++++-------------
 2 files changed, 84 insertions(+), 88 deletions(-)

diff --git a/drivers/net/igb/e1000_82575.c b/drivers/net/igb/e1000_82575.c
index f8f5772557c..b60daf43cf2 100644
--- a/drivers/net/igb/e1000_82575.c
+++ b/drivers/net/igb/e1000_82575.c
@@ -1181,61 +1181,59 @@ static s32 igb_read_mac_addr_82575(struct e1000_hw *hw)
  **/
 static void igb_clear_hw_cntrs_82575(struct e1000_hw *hw)
 {
-	u32 temp;
-
 	igb_clear_hw_cntrs_base(hw);
 
-	temp = rd32(E1000_PRC64);
-	temp = rd32(E1000_PRC127);
-	temp = rd32(E1000_PRC255);
-	temp = rd32(E1000_PRC511);
-	temp = rd32(E1000_PRC1023);
-	temp = rd32(E1000_PRC1522);
-	temp = rd32(E1000_PTC64);
-	temp = rd32(E1000_PTC127);
-	temp = rd32(E1000_PTC255);
-	temp = rd32(E1000_PTC511);
-	temp = rd32(E1000_PTC1023);
-	temp = rd32(E1000_PTC1522);
-
-	temp = rd32(E1000_ALGNERRC);
-	temp = rd32(E1000_RXERRC);
-	temp = rd32(E1000_TNCRS);
-	temp = rd32(E1000_CEXTERR);
-	temp = rd32(E1000_TSCTC);
-	temp = rd32(E1000_TSCTFC);
-
-	temp = rd32(E1000_MGTPRC);
-	temp = rd32(E1000_MGTPDC);
-	temp = rd32(E1000_MGTPTC);
-
-	temp = rd32(E1000_IAC);
-	temp = rd32(E1000_ICRXOC);
-
-	temp = rd32(E1000_ICRXPTC);
-	temp = rd32(E1000_ICRXATC);
-	temp = rd32(E1000_ICTXPTC);
-	temp = rd32(E1000_ICTXATC);
-	temp = rd32(E1000_ICTXQEC);
-	temp = rd32(E1000_ICTXQMTC);
-	temp = rd32(E1000_ICRXDMTC);
-
-	temp = rd32(E1000_CBTMPC);
-	temp = rd32(E1000_HTDPMC);
-	temp = rd32(E1000_CBRMPC);
-	temp = rd32(E1000_RPTHC);
-	temp = rd32(E1000_HGPTC);
-	temp = rd32(E1000_HTCBDPC);
-	temp = rd32(E1000_HGORCL);
-	temp = rd32(E1000_HGORCH);
-	temp = rd32(E1000_HGOTCL);
-	temp = rd32(E1000_HGOTCH);
-	temp = rd32(E1000_LENERRS);
+	rd32(E1000_PRC64);
+	rd32(E1000_PRC127);
+	rd32(E1000_PRC255);
+	rd32(E1000_PRC511);
+	rd32(E1000_PRC1023);
+	rd32(E1000_PRC1522);
+	rd32(E1000_PTC64);
+	rd32(E1000_PTC127);
+	rd32(E1000_PTC255);
+	rd32(E1000_PTC511);
+	rd32(E1000_PTC1023);
+	rd32(E1000_PTC1522);
+
+	rd32(E1000_ALGNERRC);
+	rd32(E1000_RXERRC);
+	rd32(E1000_TNCRS);
+	rd32(E1000_CEXTERR);
+	rd32(E1000_TSCTC);
+	rd32(E1000_TSCTFC);
+
+	rd32(E1000_MGTPRC);
+	rd32(E1000_MGTPDC);
+	rd32(E1000_MGTPTC);
+
+	rd32(E1000_IAC);
+	rd32(E1000_ICRXOC);
+
+	rd32(E1000_ICRXPTC);
+	rd32(E1000_ICRXATC);
+	rd32(E1000_ICTXPTC);
+	rd32(E1000_ICTXATC);
+	rd32(E1000_ICTXQEC);
+	rd32(E1000_ICTXQMTC);
+	rd32(E1000_ICRXDMTC);
+
+	rd32(E1000_CBTMPC);
+	rd32(E1000_HTDPMC);
+	rd32(E1000_CBRMPC);
+	rd32(E1000_RPTHC);
+	rd32(E1000_HGPTC);
+	rd32(E1000_HTCBDPC);
+	rd32(E1000_HGORCL);
+	rd32(E1000_HGORCH);
+	rd32(E1000_HGOTCL);
+	rd32(E1000_HGOTCH);
+	rd32(E1000_LENERRS);
 
 	/* This register should not be read in copper configurations */
 	if (hw->phy.media_type == e1000_media_type_internal_serdes ||
 	    igb_sgmii_active_82575(hw))
-		temp = rd32(E1000_SCVPC);
+		rd32(E1000_SCVPC);
 }
 
 /**
diff --git a/drivers/net/igb/e1000_mac.c b/drivers/net/igb/e1000_mac.c
index 7d76bb085e1..986aa902f7e 100644
--- a/drivers/net/igb/e1000_mac.c
+++ b/drivers/net/igb/e1000_mac.c
@@ -399,45 +399,43 @@ void igb_update_mc_addr_list(struct e1000_hw *hw,
  **/
 void igb_clear_hw_cntrs_base(struct e1000_hw *hw)
 {
-	u32 temp;
-
-	temp = rd32(E1000_CRCERRS);
-	temp = rd32(E1000_SYMERRS);
-	temp = rd32(E1000_MPC);
-	temp = rd32(E1000_SCC);
-	temp = rd32(E1000_ECOL);
-	temp = rd32(E1000_MCC);
-	temp = rd32(E1000_LATECOL);
-	temp = rd32(E1000_COLC);
-	temp = rd32(E1000_DC);
-	temp = rd32(E1000_SEC);
-	temp = rd32(E1000_RLEC);
-	temp = rd32(E1000_XONRXC);
-	temp = rd32(E1000_XONTXC);
-	temp = rd32(E1000_XOFFRXC);
-	temp = rd32(E1000_XOFFTXC);
-	temp = rd32(E1000_FCRUC);
-	temp = rd32(E1000_GPRC);
-	temp = rd32(E1000_BPRC);
-	temp = rd32(E1000_MPRC);
-	temp = rd32(E1000_GPTC);
-	temp = rd32(E1000_GORCL);
-	temp = rd32(E1000_GORCH);
-	temp = rd32(E1000_GOTCL);
-	temp = rd32(E1000_GOTCH);
-	temp = rd32(E1000_RNBC);
-	temp = rd32(E1000_RUC);
-	temp = rd32(E1000_RFC);
-	temp = rd32(E1000_ROC);
-	temp = rd32(E1000_RJC);
-	temp = rd32(E1000_TORL);
-	temp = rd32(E1000_TORH);
-	temp = rd32(E1000_TOTL);
-	temp = rd32(E1000_TOTH);
-	temp = rd32(E1000_TPR);
-	temp = rd32(E1000_TPT);
-	temp = rd32(E1000_MPTC);
-	temp = rd32(E1000_BPTC);
+	rd32(E1000_CRCERRS);
+	rd32(E1000_SYMERRS);
+	rd32(E1000_MPC);
+	rd32(E1000_SCC);
+	rd32(E1000_ECOL);
+	rd32(E1000_MCC);
+	rd32(E1000_LATECOL);
+	rd32(E1000_COLC);
+	rd32(E1000_DC);
+	rd32(E1000_SEC);
+	rd32(E1000_RLEC);
+	rd32(E1000_XONRXC);
+	rd32(E1000_XONTXC);
+	rd32(E1000_XOFFRXC);
+	rd32(E1000_XOFFTXC);
+	rd32(E1000_FCRUC);
+	rd32(E1000_GPRC);
+	rd32(E1000_BPRC);
+	rd32(E1000_MPRC);
+	rd32(E1000_GPTC);
+	rd32(E1000_GORCL);
+	rd32(E1000_GORCH);
+	rd32(E1000_GOTCL);
+	rd32(E1000_GOTCH);
+	rd32(E1000_RNBC);
+	rd32(E1000_RUC);
+	rd32(E1000_RFC);
+	rd32(E1000_ROC);
+	rd32(E1000_RJC);
+	rd32(E1000_TORL);
+	rd32(E1000_TORH);
+	rd32(E1000_TOTL);
+	rd32(E1000_TOTH);
+	rd32(E1000_TPR);
+	rd32(E1000_TPT);
+	rd32(E1000_MPTC);
+	rd32(E1000_BPTC);
 }
 
 /**
-- 
GitLab


From 70d92f86dc162fc24e13cd79fd3481ae39b66f72 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Mon, 5 Oct 2009 06:31:47 +0000
Subject: [PATCH 0017/1815] igb: update comments for serdes config and update
 to handle duplex

This update corrects the driver so that it handles duplex for serdes links
correctly instead of just forcing full duplex always.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/e1000_82575.c | 55 ++++++++++++++++++++++++-----------
 drivers/net/igb/e1000_82575.h |  1 +
 drivers/net/igb/e1000_hw.h    |  1 +
 3 files changed, 40 insertions(+), 17 deletions(-)

diff --git a/drivers/net/igb/e1000_82575.c b/drivers/net/igb/e1000_82575.c
index b60daf43cf2..5604b3e08f3 100644
--- a/drivers/net/igb/e1000_82575.c
+++ b/drivers/net/igb/e1000_82575.c
@@ -706,9 +706,7 @@ static s32 igb_check_for_link_82575(struct e1000_hw *hw)
 	s32 ret_val;
 	u16 speed, duplex;
 
-	/* SGMII link check is done through the PCS register. */
-	if ((hw->phy.media_type != e1000_media_type_copper) ||
-	    (igb_sgmii_active_82575(hw))) {
+	if (hw->phy.media_type != e1000_media_type_copper) {
 		ret_val = igb_get_pcs_speed_and_duplex_82575(hw, &speed,
 		                                             &duplex);
 		/*
@@ -723,6 +721,7 @@ static s32 igb_check_for_link_82575(struct e1000_hw *hw)
 
 	return ret_val;
 }
+
 /**
  *  igb_get_pcs_speed_and_duplex_82575 - Retrieve current speed/duplex
  *  @hw: pointer to the HW structure
@@ -788,13 +787,23 @@ static s32 igb_get_pcs_speed_and_duplex_82575(struct e1000_hw *hw, u16 *speed,
 void igb_shutdown_serdes_link_82575(struct e1000_hw *hw)
 {
 	u32 reg;
+	u16 eeprom_data = 0;
 
 	if (hw->phy.media_type != e1000_media_type_internal_serdes ||
 	    igb_sgmii_active_82575(hw))
 		return;
 
-	/* if the management interface is not enabled, then power down */
-	if (!igb_enable_mng_pass_thru(hw)) {
+	if (hw->bus.func == E1000_FUNC_0)
+		hw->nvm.ops.read(hw, NVM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
+	else if (hw->bus.func == E1000_FUNC_1)
+		hw->nvm.ops.read(hw, NVM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
+
+	/*
+	 * If APM is not enabled in the EEPROM and management interface is
+	 * not enabled, then power down.
+	 */
+	if (!(eeprom_data & E1000_NVM_APME_82575) &&
+	    !igb_enable_mng_pass_thru(hw)) {
 		/* Disable PCS to turn off link */
 		reg = rd32(E1000_PCS_CFG0);
 		reg &= ~E1000_PCS_CFG_PCS_EN;
@@ -1010,10 +1019,13 @@ out:
 }
 
 /**
- *  igb_setup_serdes_link_82575 - Setup link for fiber/serdes
+ *  igb_setup_serdes_link_82575 - Setup link for serdes
  *  @hw: pointer to the HW structure
  *
- *  Configures speed and duplex for fiber and serdes links.
+ *  Configure the physical coding sub-layer (PCS) link.  The PCS link is
+ *  used on copper connections where the serialized gigabit media independent
+ *  interface (sgmii), or serdes fiber is being used.  Configures the link
+ *  for auto-negotiation or forces speed/duplex.
  **/
 static s32 igb_setup_serdes_link_82575(struct e1000_hw *hw)
 {
@@ -1086,18 +1098,27 @@ static s32 igb_setup_serdes_link_82575(struct e1000_hw *hw)
 	 */
 	if (hw->mac.autoneg || igb_sgmii_active_82575(hw)) {
 		/* Set PCS register for autoneg */
-		reg |= E1000_PCS_LCTL_FSV_1000 |      /* Force 1000    */
-		       E1000_PCS_LCTL_FDV_FULL |      /* SerDes Full duplex */
-		       E1000_PCS_LCTL_AN_ENABLE |     /* Enable Autoneg */
-		       E1000_PCS_LCTL_AN_RESTART;     /* Restart autoneg */
+		reg |= E1000_PCS_LCTL_FSV_1000 |  /* Force 1000 */
+		       E1000_PCS_LCTL_FDV_FULL |  /* SerDes Full dplx */
+		       E1000_PCS_LCTL_AN_ENABLE | /* Enable Autoneg */
+		       E1000_PCS_LCTL_AN_RESTART; /* Restart autoneg */
 		hw_dbg("Configuring Autoneg; PCS_LCTL = 0x%08X\n", reg);
 	} else {
-		/* Set PCS register for forced speed */
-		reg |= E1000_PCS_LCTL_FLV_LINK_UP |   /* Force link up */
-		       E1000_PCS_LCTL_FSV_1000 |      /* Force 1000    */
-		       E1000_PCS_LCTL_FDV_FULL |      /* SerDes Full duplex */
-		       E1000_PCS_LCTL_FSD |           /* Force Speed */
-		       E1000_PCS_LCTL_FORCE_LINK;     /* Force Link */
+		/* Check for duplex first */
+		if (hw->mac.forced_speed_duplex & E1000_ALL_FULL_DUPLEX)
+			reg |= E1000_PCS_LCTL_FDV_FULL;
+
+		/* No need to check for 1000/full since the spec states that
+		 * it requires autoneg to be enabled */
+		/* Now set speed */
+		if (hw->mac.forced_speed_duplex & E1000_ALL_100_SPEED)
+			reg |= E1000_PCS_LCTL_FSV_100;
+
+		/* Force speed and force link */
+		reg |= E1000_PCS_LCTL_FSD |
+		       E1000_PCS_LCTL_FORCE_LINK |
+		       E1000_PCS_LCTL_FLV_LINK_UP;
+
 		hw_dbg("Configuring Forced Link; PCS_LCTL = 0x%08X\n", reg);
 	}
 
diff --git a/drivers/net/igb/e1000_82575.h b/drivers/net/igb/e1000_82575.h
index ebd146fd4e1..7be3a0b6a05 100644
--- a/drivers/net/igb/e1000_82575.h
+++ b/drivers/net/igb/e1000_82575.h
@@ -167,6 +167,7 @@ struct e1000_adv_tx_context_desc {
 #define E1000_DCA_TXCTRL_CPUID_SHIFT 24 /* Tx CPUID now in the last byte */
 #define E1000_DCA_RXCTRL_CPUID_SHIFT 24 /* Rx CPUID now in the last byte */
 
+#define E1000_NVM_APME_82575          0x0400
 #define MAX_NUM_VFS                   8
 
 #define E1000_DTXSWC_VMDQ_LOOPBACK_EN (1 << 31)  /* global VF LB enable */
diff --git a/drivers/net/igb/e1000_hw.h b/drivers/net/igb/e1000_hw.h
index 119869b1124..b1e0c0613a9 100644
--- a/drivers/net/igb/e1000_hw.h
+++ b/drivers/net/igb/e1000_hw.h
@@ -50,6 +50,7 @@ struct e1000_hw;
 #define E1000_REVISION_2 2
 #define E1000_REVISION_4 4
 
+#define E1000_FUNC_0     0
 #define E1000_FUNC_1     1
 
 enum e1000_mac_type {
-- 
GitLab


From 008c3422d48b217792789bdea822dbc2efe2165c Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Mon, 5 Oct 2009 06:32:07 +0000
Subject: [PATCH 0018/1815] igb: update the approach taken to acquiring and
 releasing the phy lock

The current approach is just using a ?: type mechanism to set the phy
locking bit.  This if fine for now but limits us to only 2.  Switch to a
nested if statement for future compatiblity with more than 2 phys.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/e1000_82575.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/net/igb/e1000_82575.c b/drivers/net/igb/e1000_82575.c
index 5604b3e08f3..65b900028bc 100644
--- a/drivers/net/igb/e1000_82575.c
+++ b/drivers/net/igb/e1000_82575.c
@@ -240,9 +240,10 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
  **/
 static s32 igb_acquire_phy_82575(struct e1000_hw *hw)
 {
-	u16 mask;
+	u16 mask = E1000_SWFW_PHY0_SM;
 
-	mask = hw->bus.func ? E1000_SWFW_PHY1_SM : E1000_SWFW_PHY0_SM;
+	if (hw->bus.func == E1000_FUNC_1)
+		mask = E1000_SWFW_PHY1_SM;
 
 	return igb_acquire_swfw_sync_82575(hw, mask);
 }
@@ -256,9 +257,11 @@ static s32 igb_acquire_phy_82575(struct e1000_hw *hw)
  **/
 static void igb_release_phy_82575(struct e1000_hw *hw)
 {
-	u16 mask;
+	u16 mask = E1000_SWFW_PHY0_SM;
+
+	if (hw->bus.func == E1000_FUNC_1)
+		mask = E1000_SWFW_PHY1_SM;
 
-	mask = hw->bus.func ? E1000_SWFW_PHY1_SM : E1000_SWFW_PHY0_SM;
 	igb_release_swfw_sync_82575(hw, mask);
 }
 
-- 
GitLab


From bf6f7a928d313ddecb0a16ea60fa6b45ac1414a7 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Mon, 5 Oct 2009 06:32:27 +0000
Subject: [PATCH 0019/1815] igb: add locking to reads of the i2c interface

The current implementation of sgmii support isn't correctly locking the
interfaces for reads/writes.  This change pulls the read/write
functionality out of 82575.c and moves it to phy.c.  In addition it
replaces the implementation in 82575.c with one that uses locking around
the relocated i2c interface calls.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/e1000_82575.c | 85 ++++++++----------------------
 drivers/net/igb/e1000_phy.c   | 97 +++++++++++++++++++++++++++++++++++
 drivers/net/igb/e1000_phy.h   |  2 +
 3 files changed, 119 insertions(+), 65 deletions(-)

diff --git a/drivers/net/igb/e1000_82575.c b/drivers/net/igb/e1000_82575.c
index 65b900028bc..78971815bbc 100644
--- a/drivers/net/igb/e1000_82575.c
+++ b/drivers/net/igb/e1000_82575.c
@@ -277,45 +277,23 @@ static void igb_release_phy_82575(struct e1000_hw *hw)
 static s32 igb_read_phy_reg_sgmii_82575(struct e1000_hw *hw, u32 offset,
 					  u16 *data)
 {
-	struct e1000_phy_info *phy = &hw->phy;
-	u32 i, i2ccmd = 0;
+	s32 ret_val = -E1000_ERR_PARAM;
 
 	if (offset > E1000_MAX_SGMII_PHY_REG_ADDR) {
 		hw_dbg("PHY Address %u is out of range\n", offset);
-		return -E1000_ERR_PARAM;
+		goto out;
 	}
 
-	/*
-	 * Set up Op-code, Phy Address, and register address in the I2CCMD
-	 * register.  The MAC will take care of interfacing with the
-	 * PHY to retrieve the desired data.
-	 */
-	i2ccmd = ((offset << E1000_I2CCMD_REG_ADDR_SHIFT) |
-		  (phy->addr << E1000_I2CCMD_PHY_ADDR_SHIFT) |
-		  (E1000_I2CCMD_OPCODE_READ));
+	ret_val = hw->phy.ops.acquire(hw);
+	if (ret_val)
+		goto out;
 
-	wr32(E1000_I2CCMD, i2ccmd);
+	ret_val = igb_read_phy_reg_i2c(hw, offset, data);
 
-	/* Poll the ready bit to see if the I2C read completed */
-	for (i = 0; i < E1000_I2CCMD_PHY_TIMEOUT; i++) {
-		udelay(50);
-		i2ccmd = rd32(E1000_I2CCMD);
-		if (i2ccmd & E1000_I2CCMD_READY)
-			break;
-	}
-	if (!(i2ccmd & E1000_I2CCMD_READY)) {
-		hw_dbg("I2CCMD Read did not complete\n");
-		return -E1000_ERR_PHY;
-	}
-	if (i2ccmd & E1000_I2CCMD_ERROR) {
-		hw_dbg("I2CCMD Error bit set\n");
-		return -E1000_ERR_PHY;
-	}
-
-	/* Need to byte-swap the 16-bit value. */
-	*data = ((i2ccmd >> 8) & 0x00FF) | ((i2ccmd << 8) & 0xFF00);
+	hw->phy.ops.release(hw);
 
-	return 0;
+out:
+	return ret_val;
 }
 
 /**
@@ -330,47 +308,24 @@ static s32 igb_read_phy_reg_sgmii_82575(struct e1000_hw *hw, u32 offset,
 static s32 igb_write_phy_reg_sgmii_82575(struct e1000_hw *hw, u32 offset,
 					   u16 data)
 {
-	struct e1000_phy_info *phy = &hw->phy;
-	u32 i, i2ccmd = 0;
-	u16 phy_data_swapped;
+	s32 ret_val = -E1000_ERR_PARAM;
+
 
 	if (offset > E1000_MAX_SGMII_PHY_REG_ADDR) {
 		hw_dbg("PHY Address %d is out of range\n", offset);
-		return -E1000_ERR_PARAM;
+		goto out;
 	}
 
-	/* Swap the data bytes for the I2C interface */
-	phy_data_swapped = ((data >> 8) & 0x00FF) | ((data << 8) & 0xFF00);
+	ret_val = hw->phy.ops.acquire(hw);
+	if (ret_val)
+		goto out;
 
-	/*
-	 * Set up Op-code, Phy Address, and register address in the I2CCMD
-	 * register.  The MAC will take care of interfacing with the
-	 * PHY to retrieve the desired data.
-	 */
-	i2ccmd = ((offset << E1000_I2CCMD_REG_ADDR_SHIFT) |
-		  (phy->addr << E1000_I2CCMD_PHY_ADDR_SHIFT) |
-		  E1000_I2CCMD_OPCODE_WRITE |
-		  phy_data_swapped);
-
-	wr32(E1000_I2CCMD, i2ccmd);
-
-	/* Poll the ready bit to see if the I2C read completed */
-	for (i = 0; i < E1000_I2CCMD_PHY_TIMEOUT; i++) {
-		udelay(50);
-		i2ccmd = rd32(E1000_I2CCMD);
-		if (i2ccmd & E1000_I2CCMD_READY)
-			break;
-	}
-	if (!(i2ccmd & E1000_I2CCMD_READY)) {
-		hw_dbg("I2CCMD Write did not complete\n");
-		return -E1000_ERR_PHY;
-	}
-	if (i2ccmd & E1000_I2CCMD_ERROR) {
-		hw_dbg("I2CCMD Error bit set\n");
-		return -E1000_ERR_PHY;
-	}
+	ret_val = igb_write_phy_reg_i2c(hw, offset, data);
 
-	return 0;
+	hw->phy.ops.release(hw);
+
+out:
+	return ret_val;
 }
 
 /**
diff --git a/drivers/net/igb/e1000_phy.c b/drivers/net/igb/e1000_phy.c
index ee460600e74..d4c928ccb29 100644
--- a/drivers/net/igb/e1000_phy.c
+++ b/drivers/net/igb/e1000_phy.c
@@ -238,6 +238,103 @@ out:
 	return ret_val;
 }
 
+/**
+ *  igb_read_phy_reg_i2c - Read PHY register using i2c
+ *  @hw: pointer to the HW structure
+ *  @offset: register offset to be read
+ *  @data: pointer to the read data
+ *
+ *  Reads the PHY register at offset using the i2c interface and stores the
+ *  retrieved information in data.
+ **/
+s32 igb_read_phy_reg_i2c(struct e1000_hw *hw, u32 offset, u16 *data)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	u32 i, i2ccmd = 0;
+
+
+	/*
+	 * Set up Op-code, Phy Address, and register address in the I2CCMD
+	 * register.  The MAC will take care of interfacing with the
+	 * PHY to retrieve the desired data.
+	 */
+	i2ccmd = ((offset << E1000_I2CCMD_REG_ADDR_SHIFT) |
+	          (phy->addr << E1000_I2CCMD_PHY_ADDR_SHIFT) |
+	          (E1000_I2CCMD_OPCODE_READ));
+
+	wr32(E1000_I2CCMD, i2ccmd);
+
+	/* Poll the ready bit to see if the I2C read completed */
+	for (i = 0; i < E1000_I2CCMD_PHY_TIMEOUT; i++) {
+		udelay(50);
+		i2ccmd = rd32(E1000_I2CCMD);
+		if (i2ccmd & E1000_I2CCMD_READY)
+			break;
+	}
+	if (!(i2ccmd & E1000_I2CCMD_READY)) {
+		hw_dbg("I2CCMD Read did not complete\n");
+		return -E1000_ERR_PHY;
+	}
+	if (i2ccmd & E1000_I2CCMD_ERROR) {
+		hw_dbg("I2CCMD Error bit set\n");
+		return -E1000_ERR_PHY;
+	}
+
+	/* Need to byte-swap the 16-bit value. */
+	*data = ((i2ccmd >> 8) & 0x00FF) | ((i2ccmd << 8) & 0xFF00);
+
+	return 0;
+}
+
+/**
+ *  igb_write_phy_reg_i2c - Write PHY register using i2c
+ *  @hw: pointer to the HW structure
+ *  @offset: register offset to write to
+ *  @data: data to write at register offset
+ *
+ *  Writes the data to PHY register at the offset using the i2c interface.
+ **/
+s32 igb_write_phy_reg_i2c(struct e1000_hw *hw, u32 offset, u16 data)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	u32 i, i2ccmd = 0;
+	u16 phy_data_swapped;
+
+
+	/* Swap the data bytes for the I2C interface */
+	phy_data_swapped = ((data >> 8) & 0x00FF) | ((data << 8) & 0xFF00);
+
+	/*
+	 * Set up Op-code, Phy Address, and register address in the I2CCMD
+	 * register.  The MAC will take care of interfacing with the
+	 * PHY to retrieve the desired data.
+	 */
+	i2ccmd = ((offset << E1000_I2CCMD_REG_ADDR_SHIFT) |
+	          (phy->addr << E1000_I2CCMD_PHY_ADDR_SHIFT) |
+	          E1000_I2CCMD_OPCODE_WRITE |
+	          phy_data_swapped);
+
+	wr32(E1000_I2CCMD, i2ccmd);
+
+	/* Poll the ready bit to see if the I2C read completed */
+	for (i = 0; i < E1000_I2CCMD_PHY_TIMEOUT; i++) {
+		udelay(50);
+		i2ccmd = rd32(E1000_I2CCMD);
+		if (i2ccmd & E1000_I2CCMD_READY)
+			break;
+	}
+	if (!(i2ccmd & E1000_I2CCMD_READY)) {
+		hw_dbg("I2CCMD Write did not complete\n");
+		return -E1000_ERR_PHY;
+	}
+	if (i2ccmd & E1000_I2CCMD_ERROR) {
+		hw_dbg("I2CCMD Error bit set\n");
+		return -E1000_ERR_PHY;
+	}
+
+	return 0;
+}
+
 /**
  *  igb_read_phy_reg_igp - Read igp PHY register
  *  @hw: pointer to the HW structure
diff --git a/drivers/net/igb/e1000_phy.h b/drivers/net/igb/e1000_phy.h
index ebe4b616db8..4c49803eeed 100644
--- a/drivers/net/igb/e1000_phy.h
+++ b/drivers/net/igb/e1000_phy.h
@@ -61,6 +61,8 @@ s32  igb_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data);
 s32  igb_phy_has_link(struct e1000_hw *hw, u32 iterations,
 				u32 usec_interval, bool *success);
 s32  igb_phy_init_script_igp3(struct e1000_hw *hw);
+s32  igb_read_phy_reg_i2c(struct e1000_hw *hw, u32 offset, u16 *data);
+s32  igb_write_phy_reg_i2c(struct e1000_hw *hw, u32 offset, u16 data);
 
 /* IGP01E1000 Specific Registers */
 #define IGP01E1000_PHY_PORT_CONFIG        0x10 /* Port Config */
-- 
GitLab


From 26ad91783c489486d3fd1a6932e5bdab9d404a38 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Mon, 5 Oct 2009 06:32:49 +0000
Subject: [PATCH 0020/1815] igb: add combined function for setting rar and pool
 bits

This patch adds igb_rar_qsel which sets the mac address and pool bits for a
given mac address in the receive address register table.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb_main.c | 63 ++++++++++++++++++++++++--------------
 1 file changed, 40 insertions(+), 23 deletions(-)

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 714c3a4a44e..bb0aacd9961 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -127,10 +127,10 @@ static void igb_vlan_rx_register(struct net_device *, struct vlan_group *);
 static void igb_vlan_rx_add_vid(struct net_device *, u16);
 static void igb_vlan_rx_kill_vid(struct net_device *, u16);
 static void igb_restore_vlan(struct igb_adapter *);
+static void igb_rar_set_qsel(struct igb_adapter *, u8 *, u32 , u8);
 static void igb_ping_all_vfs(struct igb_adapter *);
 static void igb_msg_task(struct igb_adapter *);
 static int igb_rcv_msg_from_vf(struct igb_adapter *, u32);
-static inline void igb_set_rah_pool(struct e1000_hw *, int , int);
 static void igb_vmm_control(struct igb_adapter *);
 static int igb_set_vf_mac(struct igb_adapter *adapter, int, unsigned char *);
 static void igb_restore_vf_multicasts(struct igb_adapter *adapter);
@@ -168,16 +168,6 @@ static inline int igb_set_vf_rlpml(struct igb_adapter *adapter, int size,
 	return 0;
 }
 
-static inline void igb_set_rah_pool(struct e1000_hw *hw, int pool, int entry)
-{
-	u32 reg_data;
-
-	reg_data = rd32(E1000_RAH(entry));
-	reg_data &= ~E1000_RAH_POOL_MASK;
-	reg_data |= E1000_RAH_POOL_1 << pool;;
-	wr32(E1000_RAH(entry), reg_data);
-}
-
 #ifdef CONFIG_PM
 static int igb_suspend(struct pci_dev *, pm_message_t);
 static int igb_resume(struct pci_dev *);
@@ -982,7 +972,6 @@ int igb_up(struct igb_adapter *adapter)
 		igb_configure_msix(adapter);
 
 	igb_vmm_control(adapter);
-	igb_set_rah_pool(hw, adapter->vfs_allocated_count, 0);
 	igb_set_vmolr(hw, adapter->vfs_allocated_count);
 
 	/* Clear any pending interrupts. */
@@ -1769,7 +1758,6 @@ static int igb_open(struct net_device *netdev)
 	igb_configure(adapter);
 
 	igb_vmm_control(adapter);
-	igb_set_rah_pool(hw, adapter->vfs_allocated_count, 0);
 	igb_set_vmolr(hw, adapter->vfs_allocated_count);
 
 	err = igb_request_irq(adapter);
@@ -2298,6 +2286,10 @@ static void igb_configure_rx(struct igb_adapter *adapter)
 	/* Set the default pool for the PF's first queue */
 	igb_configure_vt_default_pool(adapter);
 
+	/* set the correct pool for the PF default MAC address in entry 0 */
+	igb_rar_set_qsel(adapter, adapter->hw.mac.addr, 0,
+	                 adapter->vfs_allocated_count);
+
 	igb_rlpml_set(adapter);
 
 	/* Enable Receives */
@@ -2521,8 +2513,9 @@ static int igb_set_mac(struct net_device *netdev, void *p)
 	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
 	memcpy(hw->mac.addr, addr->sa_data, netdev->addr_len);
 
-	igb_rar_set(hw, hw->mac.addr, 0);
-	igb_set_rah_pool(hw, adapter->vfs_allocated_count, 0);
+	/* set the correct pool for the new PF MAC address in entry 0 */
+	igb_rar_set_qsel(adapter, hw->mac.addr, 0,
+	                 adapter->vfs_allocated_count);
 
 	return 0;
 }
@@ -2572,10 +2565,9 @@ static void igb_set_rx_mode(struct net_device *netdev)
 		list_for_each_entry(ha, &netdev->uc.list, list) {
 			if (!rar_entries)
 				break;
-			igb_rar_set(hw, ha->addr, rar_entries);
-			igb_set_rah_pool(hw, adapter->vfs_allocated_count,
-			                 rar_entries);
-			rar_entries--;
+			igb_rar_set_qsel(adapter, ha->addr,
+			                 rar_entries--,
+			                 adapter->vfs_allocated_count);
 		}
 	}
 	/* write the addresses in reverse order to avoid write combining */
@@ -4142,8 +4134,7 @@ static inline void igb_vf_reset_msg(struct igb_adapter *adapter, u32 vf)
 	igb_vf_reset_event(adapter, vf);
 
 	/* set vf mac address */
-	igb_rar_set(hw, vf_mac, rar_entry);
-	igb_set_rah_pool(hw, vf, rar_entry);
+	igb_rar_set_qsel(adapter, vf_mac, rar_entry, vf);
 
 	/* enable transmit and receive for vf */
 	reg = rd32(E1000_VFTE);
@@ -5532,6 +5523,33 @@ static void igb_io_resume(struct pci_dev *pdev)
 	igb_get_hw_control(adapter);
 }
 
+static void igb_rar_set_qsel(struct igb_adapter *adapter, u8 *addr, u32 index,
+                             u8 qsel)
+{
+	u32 rar_low, rar_high;
+	struct e1000_hw *hw = &adapter->hw;
+
+	/* HW expects these in little endian so we reverse the byte order
+	 * from network order (big endian) to little endian
+	 */
+	rar_low = ((u32) addr[0] | ((u32) addr[1] << 8) |
+	          ((u32) addr[2] << 16) | ((u32) addr[3] << 24));
+	rar_high = ((u32) addr[4] | ((u32) addr[5] << 8));
+
+	/* Indicate to hardware the Address is Valid. */
+	rar_high |= E1000_RAH_AV;
+
+	if (hw->mac.type == e1000_82575)
+		rar_high |= E1000_RAH_POOL_1 * qsel;
+	else
+		rar_high |= E1000_RAH_POOL_1 << qsel;
+
+	wr32(E1000_RAL(index), rar_low);
+	wrfl();
+	wr32(E1000_RAH(index), rar_high);
+	wrfl();
+}
+
 static int igb_set_vf_mac(struct igb_adapter *adapter,
                           int vf, unsigned char *mac_addr)
 {
@@ -5542,8 +5560,7 @@ static int igb_set_vf_mac(struct igb_adapter *adapter,
 
 	memcpy(adapter->vf_data[vf].vf_mac_addresses, mac_addr, ETH_ALEN);
 
-	igb_rar_set(hw, mac_addr, rar_entry);
-	igb_set_rah_pool(hw, vf, rar_entry);
+	igb_rar_set_qsel(adapter, mac_addr, rar_entry, vf);
 
 	return 0;
 }
-- 
GitLab


From 68d480c4defb69d834e75fd0be9069a8447afe36 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Mon, 5 Oct 2009 06:33:08 +0000
Subject: [PATCH 0021/1815] igb: make use of the uta to allow for promiscous
 mode filter

In order to support functions such as vlan tag stripping when SR-IOV is
enabled any given packet must match at least one filter.  However in the
case of promiscous mode being enabled on the PF the traffic routed to it
may not match any filters and is just sent to the PF by default.  In order
to make certain that this traffic is processed we can set all bits in the
UTA registers to create a pseudo promiscous mode filter that accepts all
packets.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/e1000_82575.c |   5 +
 drivers/net/igb/e1000_hw.h    |   1 +
 drivers/net/igb/e1000_regs.h  |   1 +
 drivers/net/igb/igb_main.c    | 203 ++++++++++++++++++++++++++--------
 4 files changed, 163 insertions(+), 47 deletions(-)

diff --git a/drivers/net/igb/e1000_82575.c b/drivers/net/igb/e1000_82575.c
index 78971815bbc..b8a88a8b393 100644
--- a/drivers/net/igb/e1000_82575.c
+++ b/drivers/net/igb/e1000_82575.c
@@ -875,6 +875,11 @@ static s32 igb_init_hw_82575(struct e1000_hw *hw)
 	for (i = 0; i < mac->mta_reg_count; i++)
 		array_wr32(E1000_MTA, i, 0);
 
+	/* Zero out the Unicast HASH table */
+	hw_dbg("Zeroing the UTA\n");
+	for (i = 0; i < mac->uta_reg_count; i++)
+		array_wr32(E1000_UTA, i, 0);
+
 	/* Setup link and flow control */
 	ret_val = igb_setup_link(hw);
 
diff --git a/drivers/net/igb/e1000_hw.h b/drivers/net/igb/e1000_hw.h
index b1e0c0613a9..7b7898bc934 100644
--- a/drivers/net/igb/e1000_hw.h
+++ b/drivers/net/igb/e1000_hw.h
@@ -340,6 +340,7 @@ struct e1000_mac_info {
 	u16 ifs_ratio;
 	u16 ifs_step_size;
 	u16 mta_reg_count;
+	u16 uta_reg_count;
 
 	/* Maximum size of the MTA register table in all supported adapters */
 	#define MAX_MTA_REG 128
diff --git a/drivers/net/igb/e1000_regs.h b/drivers/net/igb/e1000_regs.h
index 345d1442d6d..76c338929f6 100644
--- a/drivers/net/igb/e1000_regs.h
+++ b/drivers/net/igb/e1000_regs.h
@@ -331,6 +331,7 @@ enum {
 #define E1000_QDE       0x02408 /* Queue Drop Enable - RW */
 #define E1000_DTXSWC    0x03500 /* DMA Tx Switch Control - RW */
 #define E1000_RPLOLR    0x05AF0 /* Replication Offload - RW */
+#define E1000_UTA       0x0A000 /* Unicast Table Array - RW */
 #define E1000_IOVTCL    0x05BBC /* IOV Control Register */
 /* These act per VF so an array friendly macro is used */
 #define E1000_P2VMAILBOX(_n)   (0x00C00 + (4 * (_n)))
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index bb0aacd9961..fdbe33228d6 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -106,6 +106,7 @@ static netdev_tx_t igb_xmit_frame_adv(struct sk_buff *skb,
 static struct net_device_stats *igb_get_stats(struct net_device *);
 static int igb_change_mtu(struct net_device *, int);
 static int igb_set_mac(struct net_device *, void *);
+static void igb_set_uta(struct igb_adapter *adapter);
 static irqreturn_t igb_intr(int irq, void *);
 static irqreturn_t igb_intr_msi(int irq, void *);
 static irqreturn_t igb_msix_other(int irq, void *);
@@ -141,7 +142,6 @@ static inline void igb_set_vmolr(struct e1000_hw *hw, int vfn)
 
 	reg_data = rd32(E1000_VMOLR(vfn));
 	reg_data |= E1000_VMOLR_BAM |	 /* Accept broadcast */
-	            E1000_VMOLR_ROPE |   /* Accept packets matched in UTA */
 	            E1000_VMOLR_ROMPE |  /* Accept packets matched in MTA */
 	            E1000_VMOLR_AUPE |   /* Accept untagged packets */
 	            E1000_VMOLR_STRVLAN; /* Strip vlan tags */
@@ -2286,6 +2286,9 @@ static void igb_configure_rx(struct igb_adapter *adapter)
 	/* Set the default pool for the PF's first queue */
 	igb_configure_vt_default_pool(adapter);
 
+	/* set UTA to appropriate mode */
+	igb_set_uta(adapter);
+
 	/* set the correct pool for the PF default MAC address in entry 0 */
 	igb_rar_set_qsel(adapter, adapter->hw.mac.addr, 0,
 	                 adapter->vfs_allocated_count);
@@ -2521,44 +2524,72 @@ static int igb_set_mac(struct net_device *netdev, void *p)
 }
 
 /**
- * igb_set_rx_mode - Secondary Unicast, Multicast and Promiscuous mode set
+ * igb_write_mc_addr_list - write multicast addresses to MTA
  * @netdev: network interface device structure
  *
- * The set_rx_mode entry point is called whenever the unicast or multicast
- * address lists or the network interface flags are updated.  This routine is
- * responsible for configuring the hardware for proper unicast, multicast,
- * promiscuous mode, and all-multi behavior.
+ * Writes multicast address list to the MTA hash table.
+ * Returns: -ENOMEM on failure
+ *                0 on no addresses written
+ *                X on writing X addresses to MTA
  **/
-static void igb_set_rx_mode(struct net_device *netdev)
+static int igb_write_mc_addr_list(struct net_device *netdev)
 {
 	struct igb_adapter *adapter = netdev_priv(netdev);
 	struct e1000_hw *hw = &adapter->hw;
-	unsigned int rar_entries = hw->mac.rar_entry_count -
-	                           (adapter->vfs_allocated_count + 1);
 	struct dev_mc_list *mc_ptr = netdev->mc_list;
-	u8  *mta_list = NULL;
-	u32 rctl;
+	u8  *mta_list;
+	u32 vmolr = 0;
 	int i;
 
-	/* Check for Promiscuous and All Multicast modes */
-	rctl = rd32(E1000_RCTL);
+	if (!netdev->mc_count) {
+		/* nothing to program, so clear mc list */
+		igb_update_mc_addr_list(hw, NULL, 0);
+		igb_restore_vf_multicasts(adapter);
+		return 0;
+	}
 
-	if (netdev->flags & IFF_PROMISC) {
-		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
-		rctl &= ~E1000_RCTL_VFE;
-	} else {
-		if (netdev->flags & IFF_ALLMULTI)
-			rctl |= E1000_RCTL_MPE;
-		else
-			rctl &= ~E1000_RCTL_MPE;
+	mta_list = kzalloc(netdev->mc_count * 6, GFP_ATOMIC);
+	if (!mta_list)
+		return -ENOMEM;
 
-		if (netdev->uc.count > rar_entries)
-			rctl |= E1000_RCTL_UPE;
-		else
-			rctl &= ~E1000_RCTL_UPE;
-		rctl |= E1000_RCTL_VFE;
+	/* set vmolr receive overflow multicast bit */
+	vmolr |= E1000_VMOLR_ROMPE;
+
+	/* The shared function expects a packed array of only addresses. */
+	mc_ptr = netdev->mc_list;
+
+	for (i = 0; i < netdev->mc_count; i++) {
+		if (!mc_ptr)
+			break;
+		memcpy(mta_list + (i*ETH_ALEN), mc_ptr->dmi_addr, ETH_ALEN);
+		mc_ptr = mc_ptr->next;
 	}
-	wr32(E1000_RCTL, rctl);
+	igb_update_mc_addr_list(hw, mta_list, i);
+	kfree(mta_list);
+
+	return netdev->mc_count;
+}
+
+/**
+ * igb_write_uc_addr_list - write unicast addresses to RAR table
+ * @netdev: network interface device structure
+ *
+ * Writes unicast address list to the RAR table.
+ * Returns: -ENOMEM on failure/insufficient address space
+ *                0 on no addresses written
+ *                X on writing X addresses to the RAR table
+ **/
+static int igb_write_uc_addr_list(struct net_device *netdev)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct e1000_hw *hw = &adapter->hw;
+	unsigned int vfn = adapter->vfs_allocated_count;
+	unsigned int rar_entries = hw->mac.rar_entry_count - (vfn + 1);
+	int count = 0;
+
+	/* return ENOMEM indicating insufficient memory for addresses */
+	if (netdev->uc.count > rar_entries)
+		return -ENOMEM;
 
 	if (netdev->uc.count && rar_entries) {
 		struct netdev_hw_addr *ha;
@@ -2567,7 +2598,8 @@ static void igb_set_rx_mode(struct net_device *netdev)
 				break;
 			igb_rar_set_qsel(adapter, ha->addr,
 			                 rar_entries--,
-			                 adapter->vfs_allocated_count);
+			                 vfn);
+			count++;
 		}
 	}
 	/* write the addresses in reverse order to avoid write combining */
@@ -2577,29 +2609,79 @@ static void igb_set_rx_mode(struct net_device *netdev)
 	}
 	wrfl();
 
-	if (!netdev->mc_count) {
-		/* nothing to program, so clear mc list */
-		igb_update_mc_addr_list(hw, NULL, 0);
-		igb_restore_vf_multicasts(adapter);
-		return;
+	return count;
+}
+
+/**
+ * igb_set_rx_mode - Secondary Unicast, Multicast and Promiscuous mode set
+ * @netdev: network interface device structure
+ *
+ * The set_rx_mode entry point is called whenever the unicast or multicast
+ * address lists or the network interface flags are updated.  This routine is
+ * responsible for configuring the hardware for proper unicast, multicast,
+ * promiscuous mode, and all-multi behavior.
+ **/
+static void igb_set_rx_mode(struct net_device *netdev)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct e1000_hw *hw = &adapter->hw;
+	unsigned int vfn = adapter->vfs_allocated_count;
+	u32 rctl, vmolr = 0;
+	int count;
+
+	/* Check for Promiscuous and All Multicast modes */
+	rctl = rd32(E1000_RCTL);
+
+	/* clear the effected bits */
+	rctl &= ~(E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_VFE);
+
+	if (netdev->flags & IFF_PROMISC) {
+		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
+		vmolr |= (E1000_VMOLR_ROPE | E1000_VMOLR_MPME);
+	} else {
+		if (netdev->flags & IFF_ALLMULTI) {
+			rctl |= E1000_RCTL_MPE;
+			vmolr |= E1000_VMOLR_MPME;
+		} else {
+			/*
+			 * Write addresses to the MTA, if the attempt fails
+			 * then we should just turn on promiscous mode so
+			 * that we can at least receive multicast traffic
+			 */
+			count = igb_write_mc_addr_list(netdev);
+			if (count < 0) {
+				rctl |= E1000_RCTL_MPE;
+				vmolr |= E1000_VMOLR_MPME;
+			} else if (count) {
+				vmolr |= E1000_VMOLR_ROMPE;
+			}
+		}
+		/*
+		 * Write addresses to available RAR registers, if there is not
+		 * sufficient space to store all the addresses then enable
+		 * unicast promiscous mode
+		 */
+		count = igb_write_uc_addr_list(netdev);
+		if (count < 0) {
+			rctl |= E1000_RCTL_UPE;
+			vmolr |= E1000_VMOLR_ROPE;
+		}
+		rctl |= E1000_RCTL_VFE;
 	}
+	wr32(E1000_RCTL, rctl);
 
-	mta_list = kzalloc(netdev->mc_count * 6, GFP_ATOMIC);
-	if (!mta_list) {
-		dev_err(&adapter->pdev->dev,
-		        "failed to allocate multicast filter list\n");
+	/*
+	 * In order to support SR-IOV and eventually VMDq it is necessary to set
+	 * the VMOLR to enable the appropriate modes.  Without this workaround
+	 * we will have issues with VLAN tag stripping not being done for frames
+	 * that are only arriving because we are the default pool
+	 */
+	if (hw->mac.type < e1000_82576)
 		return;
-	}
 
-	/* The shared function expects a packed array of only addresses. */
-	for (i = 0; i < netdev->mc_count; i++) {
-		if (!mc_ptr)
-			break;
-		memcpy(mta_list + (i*ETH_ALEN), mc_ptr->dmi_addr, ETH_ALEN);
-		mc_ptr = mc_ptr->next;
-	}
-	igb_update_mc_addr_list(hw, mta_list, i);
-	kfree(mta_list);
+	vmolr |= rd32(E1000_VMOLR(vfn)) &
+	         ~(E1000_VMOLR_ROPE | E1000_VMOLR_MPME | E1000_VMOLR_ROMPE);
+	wr32(E1000_VMOLR(vfn), vmolr);
 	igb_restore_vf_multicasts(adapter);
 }
 
@@ -4263,6 +4345,33 @@ static int igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf)
 	return retval;
 }
 
+/**
+ *  igb_set_uta - Set unicast filter table address
+ *  @adapter: board private structure
+ *
+ *  The unicast table address is a register array of 32-bit registers.
+ *  The table is meant to be used in a way similar to how the MTA is used
+ *  however due to certain limitations in the hardware it is necessary to
+ *  set all the hash bits to 1 and use the VMOLR ROPE bit as a promiscous
+ *  enable bit to allow vlan tag stripping when promiscous mode is enabled
+ **/
+static void igb_set_uta(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	int i;
+
+	/* The UTA table only exists on 82576 hardware and newer */
+	if (hw->mac.type < e1000_82576)
+		return;
+
+	/* we only need to do this if VMDq is enabled */
+	if (!adapter->vfs_allocated_count)
+		return;
+
+	for (i = 0; i < hw->mac.uta_reg_count; i++)
+		array_wr32(E1000_UTA, i, ~0);
+}
+
 /**
  * igb_intr_msi - Interrupt Handler
  * @irq: interrupt number
-- 
GitLab


From 747d49baaf4e3f4ad5ae77477830da026eeef69d Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Mon, 5 Oct 2009 06:33:27 +0000
Subject: [PATCH 0022/1815] igb: add support for 82576NS SerDes adapter

This patch adds the device ID necessary to support the 82576NS SerDes
adapter.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/e1000_82575.c | 1 +
 drivers/net/igb/e1000_hw.h    | 1 +
 drivers/net/igb/igb_main.c    | 1 +
 3 files changed, 3 insertions(+)

diff --git a/drivers/net/igb/e1000_82575.c b/drivers/net/igb/e1000_82575.c
index b8a88a8b393..e07f66c6a1c 100644
--- a/drivers/net/igb/e1000_82575.c
+++ b/drivers/net/igb/e1000_82575.c
@@ -81,6 +81,7 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
 		break;
 	case E1000_DEV_ID_82576:
 	case E1000_DEV_ID_82576_NS:
+	case E1000_DEV_ID_82576_NS_SERDES:
 	case E1000_DEV_ID_82576_FIBER:
 	case E1000_DEV_ID_82576_SERDES:
 	case E1000_DEV_ID_82576_QUAD_COPPER:
diff --git a/drivers/net/igb/e1000_hw.h b/drivers/net/igb/e1000_hw.h
index 7b7898bc934..4e7850d0614 100644
--- a/drivers/net/igb/e1000_hw.h
+++ b/drivers/net/igb/e1000_hw.h
@@ -42,6 +42,7 @@ struct e1000_hw;
 #define E1000_DEV_ID_82576_SERDES             0x10E7
 #define E1000_DEV_ID_82576_QUAD_COPPER        0x10E8
 #define E1000_DEV_ID_82576_NS                 0x150A
+#define E1000_DEV_ID_82576_NS_SERDES          0x1518
 #define E1000_DEV_ID_82576_SERDES_QUAD        0x150D
 #define E1000_DEV_ID_82575EB_COPPER           0x10A7
 #define E1000_DEV_ID_82575EB_FIBER_SERDES     0x10A9
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index fdbe33228d6..83c083709d3 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -63,6 +63,7 @@ static const struct e1000_info *igb_info_tbl[] = {
 static struct pci_device_id igb_pci_tbl[] = {
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576), board_82575 },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_NS), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_NS_SERDES), board_82575 },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_FIBER), board_82575 },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_SERDES), board_82575 },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_SERDES_QUAD), board_82575 },
-- 
GitLab


From 0acb6fde5fc84009be1c7efc0aaa8e69e394a2e2 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Mon, 5 Oct 2009 06:33:46 +0000
Subject: [PATCH 0023/1815] igb: add function to handle mailbox lock

Both the read and write mailbox functions need to acquire the mailbox lock.
Since that is the case we might as well combine both of the procedures into
one function so it is easier to maintain.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/e1000_mbx.c | 63 ++++++++++++++++++++-----------------
 1 file changed, 34 insertions(+), 29 deletions(-)

diff --git a/drivers/net/igb/e1000_mbx.c b/drivers/net/igb/e1000_mbx.c
index ed9058eca45..ef645f604d8 100644
--- a/drivers/net/igb/e1000_mbx.c
+++ b/drivers/net/igb/e1000_mbx.c
@@ -304,6 +304,30 @@ static s32 igb_check_for_rst_pf(struct e1000_hw *hw, u16 vf_number)
 	return ret_val;
 }
 
+/**
+ *  igb_obtain_mbx_lock_pf - obtain mailbox lock
+ *  @hw: pointer to the HW structure
+ *  @vf_number: the VF index
+ *
+ *  return SUCCESS if we obtained the mailbox lock
+ **/
+static s32 igb_obtain_mbx_lock_pf(struct e1000_hw *hw, u16 vf_number)
+{
+	s32 ret_val = -E1000_ERR_MBX;
+	u32 p2v_mailbox;
+
+
+	/* Take ownership of the buffer */
+	wr32(E1000_P2VMAILBOX(vf_number), E1000_P2VMAILBOX_PFU);
+
+	/* reserve mailbox for vf use */
+	p2v_mailbox = rd32(E1000_P2VMAILBOX(vf_number));
+	if (p2v_mailbox & E1000_P2VMAILBOX_PFU)
+		ret_val = 0;
+
+	return ret_val;
+}
+
 /**
  *  igb_write_mbx_pf - Places a message in the mailbox
  *  @hw: pointer to the HW structure
@@ -316,27 +340,17 @@ static s32 igb_check_for_rst_pf(struct e1000_hw *hw, u16 vf_number)
 static s32 igb_write_mbx_pf(struct e1000_hw *hw, u32 *msg, u16 size,
                               u16 vf_number)
 {
-	u32 p2v_mailbox;
-	s32 ret_val = 0;
+	s32 ret_val;
 	u16 i;
 
-	/* Take ownership of the buffer */
-	wr32(E1000_P2VMAILBOX(vf_number), E1000_P2VMAILBOX_PFU);
-
-	/* Make sure we have ownership now... */
-	p2v_mailbox = rd32(E1000_P2VMAILBOX(vf_number));
-	if (!(p2v_mailbox & E1000_P2VMAILBOX_PFU)) {
-		/* failed to grab ownership */
-		ret_val = -E1000_ERR_MBX;
+	/* lock the mailbox to prevent pf/vf race condition */
+	ret_val = igb_obtain_mbx_lock_pf(hw, vf_number);
+	if (ret_val)
 		goto out_no_write;
-	}
 
-	/*
-	 * flush any ack or msg which may already be in the queue
-	 * as they are likely the result of an error
-	 */
-	igb_check_for_ack_pf(hw, vf_number);
+	/* flush msg and acks as we are overwriting the message buffer */
 	igb_check_for_msg_pf(hw, vf_number);
+	igb_check_for_ack_pf(hw, vf_number);
 
 	/* copy the caller specified message to the mailbox memory buffer */
 	for (i = 0; i < size; i++)
@@ -367,20 +381,13 @@ out_no_write:
 static s32 igb_read_mbx_pf(struct e1000_hw *hw, u32 *msg, u16 size,
                              u16 vf_number)
 {
-	u32 p2v_mailbox;
-	s32 ret_val = 0;
+	s32 ret_val;
 	u16 i;
 
-	/* Take ownership of the buffer */
-	wr32(E1000_P2VMAILBOX(vf_number), E1000_P2VMAILBOX_PFU);
-
-	/* Make sure we have ownership now... */
-	p2v_mailbox = rd32(E1000_P2VMAILBOX(vf_number));
-	if (!(p2v_mailbox & E1000_P2VMAILBOX_PFU)) {
-		/* failed to grab ownership */
-		ret_val = -E1000_ERR_MBX;
+	/* lock the mailbox to prevent pf/vf race condition */
+	ret_val = igb_obtain_mbx_lock_pf(hw, vf_number);
+	if (ret_val)
 		goto out_no_read;
-	}
 
 	/* copy the message to the mailbox memory buffer */
 	for (i = 0; i < size; i++)
@@ -392,8 +399,6 @@ static s32 igb_read_mbx_pf(struct e1000_hw *hw, u32 *msg, u16 size,
 	/* update stats */
 	hw->mbx.stats.msgs_rx++;
 
-	ret_val = 0;
-
 out_no_read:
 	return ret_val;
 }
-- 
GitLab


From 3272686c98da64d6eeaa2434782f42270b110758 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Mon, 5 Oct 2009 06:34:05 +0000
Subject: [PATCH 0024/1815] igb: fix a few items where weren't correctly setup
 for mbx timeout

The mailbox timeout routines need to be updated as they were not correctly
handling the case of a mailbox timeout and could cause issues with long
delays when used.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/e1000_mbx.c | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/drivers/net/igb/e1000_mbx.c b/drivers/net/igb/e1000_mbx.c
index ef645f604d8..c474cdb7004 100644
--- a/drivers/net/igb/e1000_mbx.c
+++ b/drivers/net/igb/e1000_mbx.c
@@ -143,12 +143,16 @@ static s32 igb_poll_for_msg(struct e1000_hw *hw, u16 mbx_id)
 	if (!countdown || !mbx->ops.check_for_msg)
 		goto out;
 
-	while (mbx->ops.check_for_msg(hw, mbx_id)) {
+	while (countdown && mbx->ops.check_for_msg(hw, mbx_id)) {
 		countdown--;
 		if (!countdown)
 			break;
 		udelay(mbx->usec_delay);
 	}
+
+	/* if we failed, all future posted messages fail until reset */
+	if (!countdown)
+		mbx->timeout = 0;
 out:
 	return countdown ? 0 : -E1000_ERR_MBX;
 }
@@ -168,12 +172,16 @@ static s32 igb_poll_for_ack(struct e1000_hw *hw, u16 mbx_id)
 	if (!countdown || !mbx->ops.check_for_ack)
 		goto out;
 
-	while (mbx->ops.check_for_ack(hw, mbx_id)) {
+	while (countdown && mbx->ops.check_for_ack(hw, mbx_id)) {
 		countdown--;
 		if (!countdown)
 			break;
 		udelay(mbx->usec_delay);
 	}
+
+	/* if we failed, all future posted messages fail until reset */
+	if (!countdown)
+		mbx->timeout = 0;
 out:
 	return countdown ? 0 : -E1000_ERR_MBX;
 }
@@ -217,12 +225,13 @@ out:
 static s32 igb_write_posted_mbx(struct e1000_hw *hw, u32 *msg, u16 size, u16 mbx_id)
 {
 	struct e1000_mbx_info *mbx = &hw->mbx;
-	s32 ret_val = 0;
+	s32 ret_val = -E1000_ERR_MBX;
 
-	if (!mbx->ops.write)
+	/* exit if either we can't write or there isn't a defined timeout */
+	if (!mbx->ops.write || !mbx->timeout)
 		goto out;
 
-	/* send msg*/
+	/* send msg */
 	ret_val = mbx->ops.write(hw, msg, size, mbx_id);
 
 	/* if msg sent wait until we receive an ack */
-- 
GitLab


From 22896639af98ebc721a94ed71fc3acf2fb4a24dc Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Mon, 5 Oct 2009 06:34:25 +0000
Subject: [PATCH 0025/1815] igb: change how we handle alternate mac addresses

This patch allows us to treat the alternate mac address as though it is the
physical address on the adapter.  This is accomplished by letting the
alt_mac_address function to only fail on an NVM error.  If no errors occur
and the alternate mac address is not present then RAR0 is read as the
default mac address.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/e1000_82575.c | 13 +++++++++++--
 drivers/net/igb/e1000_hw.h    |  2 ++
 drivers/net/igb/e1000_mac.c   | 17 +++++++++--------
 3 files changed, 22 insertions(+), 10 deletions(-)

diff --git a/drivers/net/igb/e1000_82575.c b/drivers/net/igb/e1000_82575.c
index e07f66c6a1c..45063c25155 100644
--- a/drivers/net/igb/e1000_82575.c
+++ b/drivers/net/igb/e1000_82575.c
@@ -1152,9 +1152,18 @@ static s32 igb_read_mac_addr_82575(struct e1000_hw *hw)
 {
 	s32 ret_val = 0;
 
-	if (igb_check_alt_mac_addr(hw))
-		ret_val = igb_read_mac_addr(hw);
+	/*
+	 * If there's an alternate MAC address place it in RAR0
+	 * so that it will override the Si installed default perm
+	 * address.
+	 */
+	ret_val = igb_check_alt_mac_addr(hw);
+	if (ret_val)
+		goto out;
+
+	ret_val = igb_read_mac_addr(hw);
 
+out:
 	return ret_val;
 }
 
diff --git a/drivers/net/igb/e1000_hw.h b/drivers/net/igb/e1000_hw.h
index 4e7850d0614..fad7cf510cc 100644
--- a/drivers/net/igb/e1000_hw.h
+++ b/drivers/net/igb/e1000_hw.h
@@ -54,6 +54,8 @@ struct e1000_hw;
 #define E1000_FUNC_0     0
 #define E1000_FUNC_1     1
 
+#define E1000_ALT_MAC_ADDRESS_OFFSET_LAN1   3
+
 enum e1000_mac_type {
 	e1000_undefined = 0,
 	e1000_82575,
diff --git a/drivers/net/igb/e1000_mac.c b/drivers/net/igb/e1000_mac.c
index 986aa902f7e..4969a5b1cf3 100644
--- a/drivers/net/igb/e1000_mac.c
+++ b/drivers/net/igb/e1000_mac.c
@@ -185,13 +185,12 @@ s32 igb_check_alt_mac_addr(struct e1000_hw *hw)
 	}
 
 	if (nvm_alt_mac_addr_offset == 0xFFFF) {
-		ret_val = -(E1000_NOT_IMPLEMENTED);
+		/* There is no Alternate MAC Address */
 		goto out;
 	}
 
 	if (hw->bus.func == E1000_FUNC_1)
-		nvm_alt_mac_addr_offset += ETH_ALEN/sizeof(u16);
-
+		nvm_alt_mac_addr_offset += E1000_ALT_MAC_ADDRESS_OFFSET_LAN1;
 	for (i = 0; i < ETH_ALEN; i += 2) {
 		offset = nvm_alt_mac_addr_offset + (i >> 1);
 		ret_val = hw->nvm.ops.read(hw, offset, 1, &nvm_data);
@@ -206,14 +205,16 @@ s32 igb_check_alt_mac_addr(struct e1000_hw *hw)
 
 	/* if multicast bit is set, the alternate address will not be used */
 	if (alt_mac_addr[0] & 0x01) {
-		ret_val = -(E1000_NOT_IMPLEMENTED);
+		hw_dbg("Ignoring Alternate Mac Address with MC bit set\n");
 		goto out;
 	}
 
-	for (i = 0; i < ETH_ALEN; i++)
-		hw->mac.addr[i] = hw->mac.perm_addr[i] = alt_mac_addr[i];
-
-	hw->mac.ops.rar_set(hw, hw->mac.perm_addr, 0);
+	/*
+	 * We have a valid alternate MAC address, and we want to treat it the
+	 * same as the normal permanent MAC address stored by the HW into the
+	 * RAR. Do this by mapping this address into RAR0.
+	 */
+	hw->mac.ops.rar_set(hw, alt_mac_addr, 0);
 
 out:
 	return ret_val;
-- 
GitLab


From 285b4167458ec7cc49008b2e61cbe0362deed335 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Mon, 5 Oct 2009 06:34:44 +0000
Subject: [PATCH 0026/1815] igb: remove microwire support from igb

igb doesn't have any devices that use a microwire interface for NVM.  As
such the code related to this can be removed.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/e1000_hw.h  |  3 ---
 drivers/net/igb/e1000_nvm.c | 36 +++---------------------------------
 2 files changed, 3 insertions(+), 36 deletions(-)

diff --git a/drivers/net/igb/e1000_hw.h b/drivers/net/igb/e1000_hw.h
index fad7cf510cc..2dc929419df 100644
--- a/drivers/net/igb/e1000_hw.h
+++ b/drivers/net/igb/e1000_hw.h
@@ -74,7 +74,6 @@ enum e1000_nvm_type {
 	e1000_nvm_unknown = 0,
 	e1000_nvm_none,
 	e1000_nvm_eeprom_spi,
-	e1000_nvm_eeprom_microwire,
 	e1000_nvm_flash_hw,
 	e1000_nvm_flash_sw
 };
@@ -83,8 +82,6 @@ enum e1000_nvm_override {
 	e1000_nvm_override_none = 0,
 	e1000_nvm_override_spi_small,
 	e1000_nvm_override_spi_large,
-	e1000_nvm_override_microwire_small,
-	e1000_nvm_override_microwire_large
 };
 
 enum e1000_phy_type {
diff --git a/drivers/net/igb/e1000_nvm.c b/drivers/net/igb/e1000_nvm.c
index a88bfe2f1e8..d83b77fa403 100644
--- a/drivers/net/igb/e1000_nvm.c
+++ b/drivers/net/igb/e1000_nvm.c
@@ -78,9 +78,7 @@ static void igb_shift_out_eec_bits(struct e1000_hw *hw, u16 data, u16 count)
 	u32 mask;
 
 	mask = 0x01 << (count - 1);
-	if (nvm->type == e1000_nvm_eeprom_microwire)
-		eecd &= ~E1000_EECD_DO;
-	else if (nvm->type == e1000_nvm_eeprom_spi)
+	if (nvm->type == e1000_nvm_eeprom_spi)
 		eecd |= E1000_EECD_DO;
 
 	do {
@@ -220,22 +218,7 @@ static void igb_standby_nvm(struct e1000_hw *hw)
 	struct e1000_nvm_info *nvm = &hw->nvm;
 	u32 eecd = rd32(E1000_EECD);
 
-	if (nvm->type == e1000_nvm_eeprom_microwire) {
-		eecd &= ~(E1000_EECD_CS | E1000_EECD_SK);
-		wr32(E1000_EECD, eecd);
-		wrfl();
-		udelay(nvm->delay_usec);
-
-		igb_raise_eec_clk(hw, &eecd);
-
-		/* Select EEPROM */
-		eecd |= E1000_EECD_CS;
-		wr32(E1000_EECD, eecd);
-		wrfl();
-		udelay(nvm->delay_usec);
-
-		igb_lower_eec_clk(hw, &eecd);
-	} else if (nvm->type == e1000_nvm_eeprom_spi) {
+	if (nvm->type == e1000_nvm_eeprom_spi) {
 		/* Toggle CS to flush commands */
 		eecd |= E1000_EECD_CS;
 		wr32(E1000_EECD, eecd);
@@ -263,12 +246,6 @@ static void e1000_stop_nvm(struct e1000_hw *hw)
 		/* Pull CS high */
 		eecd |= E1000_EECD_CS;
 		igb_lower_eec_clk(hw, &eecd);
-	} else if (hw->nvm.type == e1000_nvm_eeprom_microwire) {
-		/* CS on Microcwire is active-high */
-		eecd &= ~(E1000_EECD_CS | E1000_EECD_DI);
-		wr32(E1000_EECD, eecd);
-		igb_raise_eec_clk(hw, &eecd);
-		igb_lower_eec_clk(hw, &eecd);
 	}
 }
 
@@ -304,14 +281,7 @@ static s32 igb_ready_nvm_eeprom(struct e1000_hw *hw)
 	u8 spi_stat_reg;
 
 
-	if (nvm->type == e1000_nvm_eeprom_microwire) {
-		/* Clear SK and DI */
-		eecd &= ~(E1000_EECD_DI | E1000_EECD_SK);
-		wr32(E1000_EECD, eecd);
-		/* Set CS */
-		eecd |= E1000_EECD_CS;
-		wr32(E1000_EECD, eecd);
-	} else if (nvm->type == e1000_nvm_eeprom_spi) {
+	if (nvm->type == e1000_nvm_eeprom_spi) {
 		/* Clear SK and CS */
 		eecd &= ~(E1000_EECD_CS | E1000_EECD_SK);
 		wr32(E1000_EECD, eecd);
-- 
GitLab


From 81fadd81a5bc897c8d0424d1cd90cb999d8e12b0 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Mon, 5 Oct 2009 06:35:03 +0000
Subject: [PATCH 0027/1815] igb: move the generic copper link setup code into
 e1000_phy.c

This patch moves the generic portion of the copper link setup into a
seperate function in e1000_phy.c.  This helps to reduce the size of
copper_link_setup_82575 and make it a bit more readable.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/e1000_82575.c | 40 +----------------------
 drivers/net/igb/e1000_phy.c   | 61 ++++++++++++++++++++++++++++++++++-
 drivers/net/igb/e1000_phy.h   |  2 +-
 3 files changed, 62 insertions(+), 41 deletions(-)

diff --git a/drivers/net/igb/e1000_82575.c b/drivers/net/igb/e1000_82575.c
index 45063c25155..5d345e3036a 100644
--- a/drivers/net/igb/e1000_82575.c
+++ b/drivers/net/igb/e1000_82575.c
@@ -907,7 +907,6 @@ static s32 igb_setup_copper_link_82575(struct e1000_hw *hw)
 {
 	u32 ctrl;
 	s32  ret_val;
-	bool link;
 
 	ctrl = rd32(E1000_CTRL);
 	ctrl |= E1000_CTRL_SLU;
@@ -940,44 +939,7 @@ static s32 igb_setup_copper_link_82575(struct e1000_hw *hw)
 	if (ret_val)
 		goto out;
 
-	if (hw->mac.autoneg) {
-		/*
-		 * Setup autoneg and flow control advertisement
-		 * and perform autonegotiation.
-		 */
-		ret_val = igb_copper_link_autoneg(hw);
-		if (ret_val)
-			goto out;
-	} else {
-		/*
-		 * PHY will be set to 10H, 10F, 100H or 100F
-		 * depending on user settings.
-		 */
-		hw_dbg("Forcing Speed and Duplex\n");
-		ret_val = hw->phy.ops.force_speed_duplex(hw);
-		if (ret_val) {
-			hw_dbg("Error Forcing Speed and Duplex\n");
-			goto out;
-		}
-	}
-
-	/*
-	 * Check link status. Wait up to 100 microseconds for link to become
-	 * valid.
-	 */
-	ret_val = igb_phy_has_link(hw, COPPER_LINK_UP_LIMIT, 10, &link);
-	if (ret_val)
-		goto out;
-
-	if (link) {
-		hw_dbg("Valid link established!!!\n");
-		/* Config the MAC and PHY after link is up */
-		igb_config_collision_dist(hw);
-		ret_val = igb_config_fc_after_link_up(hw);
-	} else {
-		hw_dbg("Unable to establish link!!!\n");
-	}
-
+	ret_val = igb_setup_copper_link(hw);
 out:
 	return ret_val;
 }
diff --git a/drivers/net/igb/e1000_phy.c b/drivers/net/igb/e1000_phy.c
index d4c928ccb29..b27275d7ff6 100644
--- a/drivers/net/igb/e1000_phy.c
+++ b/drivers/net/igb/e1000_phy.c
@@ -669,7 +669,7 @@ out:
  *  and restart the negotiation process between the link partner.  If
  *  autoneg_wait_to_complete, then wait for autoneg to complete before exiting.
  **/
-s32 igb_copper_link_autoneg(struct e1000_hw *hw)
+static s32 igb_copper_link_autoneg(struct e1000_hw *hw)
 {
 	struct e1000_phy_info *phy = &hw->phy;
 	s32 ret_val;
@@ -892,6 +892,65 @@ out:
 	return ret_val;
 }
 
+/**
+ *  igb_setup_copper_link - Configure copper link settings
+ *  @hw: pointer to the HW structure
+ *
+ *  Calls the appropriate function to configure the link for auto-neg or forced
+ *  speed and duplex.  Then we check for link, once link is established calls
+ *  to configure collision distance and flow control are called.  If link is
+ *  not established, we return -E1000_ERR_PHY (-2).
+ **/
+s32 igb_setup_copper_link(struct e1000_hw *hw)
+{
+	s32 ret_val;
+	bool link;
+
+
+	if (hw->mac.autoneg) {
+		/*
+		 * Setup autoneg and flow control advertisement and perform
+		 * autonegotiation.
+		 */
+		ret_val = igb_copper_link_autoneg(hw);
+		if (ret_val)
+			goto out;
+	} else {
+		/*
+		 * PHY will be set to 10H, 10F, 100H or 100F
+		 * depending on user settings.
+		 */
+		hw_dbg("Forcing Speed and Duplex\n");
+		ret_val = hw->phy.ops.force_speed_duplex(hw);
+		if (ret_val) {
+			hw_dbg("Error Forcing Speed and Duplex\n");
+			goto out;
+		}
+	}
+
+	/*
+	 * Check link status. Wait up to 100 microseconds for link to become
+	 * valid.
+	 */
+	ret_val = igb_phy_has_link(hw,
+	                           COPPER_LINK_UP_LIMIT,
+	                           10,
+	                           &link);
+	if (ret_val)
+		goto out;
+
+	if (link) {
+		hw_dbg("Valid link established!!!\n");
+		igb_config_collision_dist(hw);
+		ret_val = igb_config_fc_after_link_up(hw);
+	} else {
+		hw_dbg("Unable to establish link!!!\n");
+	}
+
+out:
+	return ret_val;
+}
+
 /**
  *  igb_phy_force_speed_duplex_igp - Force speed/duplex for igp PHY
  *  @hw: pointer to the HW structure
diff --git a/drivers/net/igb/e1000_phy.h b/drivers/net/igb/e1000_phy.h
index 4c49803eeed..adb9436b733 100644
--- a/drivers/net/igb/e1000_phy.h
+++ b/drivers/net/igb/e1000_phy.h
@@ -43,7 +43,6 @@ enum e1000_smart_speed {
 
 s32  igb_check_downshift(struct e1000_hw *hw);
 s32  igb_check_reset_block(struct e1000_hw *hw);
-s32  igb_copper_link_autoneg(struct e1000_hw *hw);
 s32  igb_copper_link_setup_igp(struct e1000_hw *hw);
 s32  igb_copper_link_setup_m88(struct e1000_hw *hw);
 s32  igb_phy_force_speed_duplex_igp(struct e1000_hw *hw);
@@ -57,6 +56,7 @@ s32  igb_phy_sw_reset(struct e1000_hw *hw);
 s32  igb_phy_hw_reset(struct e1000_hw *hw);
 s32  igb_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data);
 s32  igb_set_d3_lplu_state(struct e1000_hw *hw, bool active);
+s32  igb_setup_copper_link(struct e1000_hw *hw);
 s32  igb_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data);
 s32  igb_phy_has_link(struct e1000_hw *hw, u32 iterations,
 				u32 usec_interval, bool *success);
-- 
GitLab


From ab576389b733b458495529f81839f499b3fece78 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Mon, 5 Oct 2009 06:35:23 +0000
Subject: [PATCH 0028/1815] igb: add code to retry a phy read in the event of
 failure on link check

This patch adds a retry to phy reads in the event of failure.  The original
code broke out of the loop on failure and this is a mistake as we should be
trying to do the read twice.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/e1000_phy.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/net/igb/e1000_phy.c b/drivers/net/igb/e1000_phy.c
index b27275d7ff6..5fe03e114b8 100644
--- a/drivers/net/igb/e1000_phy.c
+++ b/drivers/net/igb/e1000_phy.c
@@ -1444,8 +1444,14 @@ s32 igb_phy_has_link(struct e1000_hw *hw, u32 iterations,
 		 * it across the board.
 		 */
 		ret_val = hw->phy.ops.read_reg(hw, PHY_STATUS, &phy_status);
-		if (ret_val)
-			break;
+		if (ret_val) {
+			/*
+			 * If the first read fails, another entity may have
+			 * ownership of the resources, wait and try again to
+			 * see if they have relinquished the resources yet.
+			 */
+			udelay(usec_interval);
+		}
 		ret_val = hw->phy.ops.read_reg(hw, PHY_STATUS, &phy_status);
 		if (ret_val)
 			break;
-- 
GitLab


From 2553bb2681645bf932db2845121b8f33954f6f39 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Mon, 5 Oct 2009 06:35:42 +0000
Subject: [PATCH 0029/1815] igb: add additional error handling to the phy code

This update adds additional exception handling to the phy code to handle
situations where it may be called incorrectly.  In addition it adds some
bounds checking to the cable length checks to prevent an array overrun in
the event that the hardware returned a different value than expected.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/e1000_phy.c | 39 ++++++++++++++++++++++++-------------
 1 file changed, 25 insertions(+), 14 deletions(-)

diff --git a/drivers/net/igb/e1000_phy.c b/drivers/net/igb/e1000_phy.c
index 5fe03e114b8..83b706c460b 100644
--- a/drivers/net/igb/e1000_phy.c
+++ b/drivers/net/igb/e1000_phy.c
@@ -39,6 +39,9 @@ static s32  igb_wait_autoneg(struct e1000_hw *hw);
 /* Cable length tables */
 static const u16 e1000_m88_cable_length_table[] =
 	{ 0, 50, 80, 110, 140, 140, E1000_CABLE_LENGTH_UNDEFINED };
+#define M88E1000_CABLE_LENGTH_TABLE_SIZE \
+                (sizeof(e1000_m88_cable_length_table) / \
+                 sizeof(e1000_m88_cable_length_table[0]))
 
 static const u16 e1000_igp_2_cable_length_table[] =
     { 0, 0, 0, 0, 0, 0, 0, 0, 3, 5, 8, 11, 13, 16, 18, 21,
@@ -109,7 +112,10 @@ out:
  **/
 static s32 igb_phy_reset_dsp(struct e1000_hw *hw)
 {
-	s32 ret_val;
+	s32 ret_val = 0;
+
+	if (!(hw->phy.ops.write_reg))
+		goto out;
 
 	ret_val = hw->phy.ops.write_reg(hw, M88E1000_PHY_GEN_CONTROL, 0xC1);
 	if (ret_val)
@@ -1059,22 +1065,19 @@ s32 igb_phy_force_speed_duplex_m88(struct e1000_hw *hw)
 
 	igb_phy_force_speed_duplex_setup(hw, &phy_data);
 
-	/* Reset the phy to commit changes. */
-	phy_data |= MII_CR_RESET;
-
 	ret_val = phy->ops.write_reg(hw, PHY_CONTROL, phy_data);
 	if (ret_val)
 		goto out;
 
-	udelay(1);
+	/* Reset the phy to commit changes. */
+	ret_val = igb_phy_sw_reset(hw);
+	if (ret_val)
+		goto out;
 
 	if (phy->autoneg_wait_to_complete) {
 		hw_dbg("Waiting for forced speed/duplex link on M88 phy.\n");
 
-		ret_val = igb_phy_has_link(hw,
-						     PHY_FORCE_LIMIT,
-						     100000,
-						     &link);
+		ret_val = igb_phy_has_link(hw, PHY_FORCE_LIMIT, 100000, &link);
 		if (ret_val)
 			goto out;
 
@@ -1084,8 +1087,8 @@ s32 igb_phy_force_speed_duplex_m88(struct e1000_hw *hw)
 			 * Reset the DSP and cross our fingers.
 			 */
 			ret_val = phy->ops.write_reg(hw,
-						      M88E1000_PHY_PAGE_SELECT,
-						      0x001d);
+						     M88E1000_PHY_PAGE_SELECT,
+						     0x001d);
 			if (ret_val)
 				goto out;
 			ret_val = igb_phy_reset_dsp(hw);
@@ -1095,7 +1098,7 @@ s32 igb_phy_force_speed_duplex_m88(struct e1000_hw *hw)
 
 		/* Try once more */
 		ret_val = igb_phy_has_link(hw, PHY_FORCE_LIMIT,
-					     100000, &link);
+					   100000, &link);
 		if (ret_val)
 			goto out;
 	}
@@ -1207,9 +1210,12 @@ static void igb_phy_force_speed_duplex_setup(struct e1000_hw *hw,
 s32 igb_set_d3_lplu_state(struct e1000_hw *hw, bool active)
 {
 	struct e1000_phy_info *phy = &hw->phy;
-	s32 ret_val;
+	s32 ret_val = 0;
 	u16 data;
 
+	if (!(hw->phy.ops.read_reg))
+		goto out;
+
 	ret_val = phy->ops.read_reg(hw, IGP02E1000_PHY_POWER_MGMT, &data);
 	if (ret_val)
 		goto out;
@@ -1495,8 +1501,13 @@ s32 igb_get_cable_length_m88(struct e1000_hw *hw)
 
 	index = (phy_data & M88E1000_PSSR_CABLE_LENGTH) >>
 		M88E1000_PSSR_CABLE_LENGTH_SHIFT;
+	if (index >= M88E1000_CABLE_LENGTH_TABLE_SIZE - 1) {
+		ret_val = -E1000_ERR_PHY;
+		goto out;
+	}
+
 	phy->min_cable_length = e1000_m88_cable_length_table[index];
-	phy->max_cable_length = e1000_m88_cable_length_table[index+1];
+	phy->max_cable_length = e1000_m88_cable_length_table[index + 1];
 
 	phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2;
 
-- 
GitLab


From 6deac6f2b46f84b8822683cce92eab4edf2ade5e Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Mon, 5 Oct 2009 06:36:01 +0000
Subject: [PATCH 0030/1815] igb: add flushes between RAR writes when setting
 mac address

There are some switches that will do write combining when they see two
sequential regions written. In order to avoid any possible write combining
issues it is necessary to add a flush after writing each piece of a rar
register.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/e1000_mac.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/net/igb/e1000_mac.c b/drivers/net/igb/e1000_mac.c
index 4969a5b1cf3..2ad358a240b 100644
--- a/drivers/net/igb/e1000_mac.c
+++ b/drivers/net/igb/e1000_mac.c
@@ -247,8 +247,15 @@ void igb_rar_set(struct e1000_hw *hw, u8 *addr, u32 index)
 	if (rar_low || rar_high)
 		rar_high |= E1000_RAH_AV;
 
+	/*
+	 * Some bridges will combine consecutive 32-bit writes into
+	 * a single burst write, which will malfunction on some parts.
+	 * The flushes avoid this.
+	 */
 	wr32(E1000_RAL(index), rar_low);
+	wrfl();
 	wr32(E1000_RAH(index), rar_high);
+	wrfl();
 }
 
 /**
-- 
GitLab


From 92cdd7c377c893c72d6968537076a18a510ae5cc Mon Sep 17 00:00:00 2001
From: Sreenivasa Honnur <Sreenivasa.Honnur@neterion.com>
Date: Mon, 5 Oct 2009 01:51:38 +0000
Subject: [PATCH 0031/1815] vxge: Modify __vxge_hw_device_is_privilaged() to
 not assume function-0 as the privileged function: Resubmit#1

- vxge driver was assuming function-0 is always the privilaged function. Now that
  restriction has been removed any function can act as a privilaged function.

- This patch modifies the __vxge_hw_device_is_privilaged routine to not assume
  function-0 as the privileged function.

- Recreated the patch by incorporating review comments from Dave Miller to
  remove double slash in path names.

Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/vxge/vxge-config.c | 52 ++++++++++++++++++++--------------
 1 file changed, 30 insertions(+), 22 deletions(-)

diff --git a/drivers/net/vxge/vxge-config.c b/drivers/net/vxge/vxge-config.c
index 9e94c4b0fb1..11cdb381681 100644
--- a/drivers/net/vxge/vxge-config.c
+++ b/drivers/net/vxge/vxge-config.c
@@ -356,10 +356,8 @@ __vxge_hw_device_access_rights_get(u32 host_type, u32 func_id)
 
 	switch (host_type) {
 	case VXGE_HW_NO_MR_NO_SR_NORMAL_FUNCTION:
-		if (func_id == 0) {
-			access_rights |= VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM |
-					VXGE_HW_DEVICE_ACCESS_RIGHT_SRPCIM;
-		}
+		access_rights |= VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM |
+				VXGE_HW_DEVICE_ACCESS_RIGHT_SRPCIM;
 		break;
 	case VXGE_HW_MR_NO_SR_VH0_BASE_FUNCTION:
 		access_rights |= VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM |
@@ -381,6 +379,22 @@ __vxge_hw_device_access_rights_get(u32 host_type, u32 func_id)
 
 	return access_rights;
 }
+/*
+ * __vxge_hw_device_is_privilaged
+ * This routine checks if the device function is privilaged or not
+ */
+
+enum vxge_hw_status
+__vxge_hw_device_is_privilaged(u32 host_type, u32 func_id)
+{
+	if (__vxge_hw_device_access_rights_get(host_type,
+		func_id) &
+		VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM)
+		return VXGE_HW_OK;
+	else
+		return VXGE_HW_ERR_PRIVILAGED_OPEARATION;
+}
+
 /*
  * __vxge_hw_device_host_info_get
  * This routine returns the host type assignments
@@ -446,18 +460,6 @@ __vxge_hw_verify_pci_e_info(struct __vxge_hw_device *hldev)
 	return VXGE_HW_OK;
 }
 
-enum vxge_hw_status
-__vxge_hw_device_is_privilaged(struct __vxge_hw_device *hldev)
-{
-	if ((hldev->host_type == VXGE_HW_NO_MR_NO_SR_NORMAL_FUNCTION ||
-	hldev->host_type == VXGE_HW_MR_NO_SR_VH0_BASE_FUNCTION ||
-	hldev->host_type == VXGE_HW_NO_MR_SR_VH0_FUNCTION0) &&
-	(hldev->func_id == 0))
-		return VXGE_HW_OK;
-	else
-		return VXGE_HW_ERR_PRIVILAGED_OPEARATION;
-}
-
 /*
  * vxge_hw_wrr_rebalance - Rebalance the RX_WRR and KDFC_WRR calandars.
  * Rebalance the RX_WRR and KDFC_WRR calandars.
@@ -470,7 +472,8 @@ vxge_hw_status vxge_hw_wrr_rebalance(struct __vxge_hw_device *hldev)
 	u32 i, j, how_often = 1;
 	enum vxge_hw_status status = VXGE_HW_OK;
 
-	status = __vxge_hw_device_is_privilaged(hldev);
+	status = __vxge_hw_device_is_privilaged(hldev->host_type,
+			hldev->func_id);
 	if (status != VXGE_HW_OK)
 		goto exit;
 
@@ -668,7 +671,8 @@ enum vxge_hw_status __vxge_hw_device_initialize(struct __vxge_hw_device *hldev)
 {
 	enum vxge_hw_status status = VXGE_HW_OK;
 
-	if (VXGE_HW_OK == __vxge_hw_device_is_privilaged(hldev)) {
+	if (VXGE_HW_OK == __vxge_hw_device_is_privilaged(hldev->host_type,
+				hldev->func_id)) {
 		/* Validate the pci-e link width and speed */
 		status = __vxge_hw_verify_pci_e_info(hldev);
 		if (status != VXGE_HW_OK)
@@ -953,7 +957,8 @@ vxge_hw_mrpcim_stats_access(struct __vxge_hw_device *hldev,
 	u64 val64;
 	enum vxge_hw_status status = VXGE_HW_OK;
 
-	status = __vxge_hw_device_is_privilaged(hldev);
+	status = __vxge_hw_device_is_privilaged(hldev->host_type,
+			hldev->func_id);
 	if (status != VXGE_HW_OK)
 		goto exit;
 
@@ -990,7 +995,8 @@ vxge_hw_device_xmac_aggr_stats_get(struct __vxge_hw_device *hldev, u32 port,
 
 	val64 = (u64 *)aggr_stats;
 
-	status = __vxge_hw_device_is_privilaged(hldev);
+	status = __vxge_hw_device_is_privilaged(hldev->host_type,
+			hldev->func_id);
 	if (status != VXGE_HW_OK)
 		goto exit;
 
@@ -1023,7 +1029,8 @@ vxge_hw_device_xmac_port_stats_get(struct __vxge_hw_device *hldev, u32 port,
 	u32 offset = 0x0;
 	val64 = (u64 *) port_stats;
 
-	status = __vxge_hw_device_is_privilaged(hldev);
+	status = __vxge_hw_device_is_privilaged(hldev->host_type,
+			hldev->func_id);
 	if (status != VXGE_HW_OK)
 		goto exit;
 
@@ -1221,7 +1228,8 @@ enum vxge_hw_status vxge_hw_device_setpause_data(struct __vxge_hw_device *hldev,
 		goto exit;
 	}
 
-	status = __vxge_hw_device_is_privilaged(hldev);
+	status = __vxge_hw_device_is_privilaged(hldev->host_type,
+			hldev->func_id);
 	if (status != VXGE_HW_OK)
 		goto exit;
 
-- 
GitLab


From 657205bdd7b276d95b3a5bac7e856e22c4001136 Mon Sep 17 00:00:00 2001
From: Sreenivasa Honnur <Sreenivasa.Honnur@neterion.com>
Date: Mon, 5 Oct 2009 01:52:54 +0000
Subject: [PATCH 0032/1815] vxge: Update driver_config->vpath_per_dev for each
 function in probe.

- Update driver_config->vpath_per_dev for each function in probe.

- vpath_per_device specifies number of vpaths supported for each function/device. The
  current code was updating vpath_per_device only for physical device, however this has
  to be updated for each function also in case of a MF(Multi function) device.

Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/vxge/vxge-main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/vxge/vxge-main.c b/drivers/net/vxge/vxge-main.c
index 068d7a9d3e3..7a851ac30c6 100644
--- a/drivers/net/vxge/vxge-main.c
+++ b/drivers/net/vxge/vxge-main.c
@@ -4088,9 +4088,10 @@ vxge_probe(struct pci_dev *pdev, const struct pci_device_id *pre)
 		driver_config->config_dev_cnt = 0;
 		driver_config->total_dev_cnt = 0;
 		driver_config->g_no_cpus = 0;
-		driver_config->vpath_per_dev = max_config_vpath;
 	}
 
+	driver_config->vpath_per_dev = max_config_vpath;
+
 	driver_config->total_dev_cnt++;
 	if (++driver_config->config_dev_cnt > max_config_dev) {
 		ret = 0;
-- 
GitLab


From 0f8f7d58eb4840ee8790e914a88b8a773aca9143 Mon Sep 17 00:00:00 2001
From: Sreenivasa Honnur <Sreenivasa.Honnur@neterion.com>
Date: Mon, 5 Oct 2009 01:53:38 +0000
Subject: [PATCH 0033/1815] vxge: Removed accessing non-supported registers.

- Removed accessing GENDMA_INT register
 - This allowed the firmware to perform a generic DMA write to host memory.
   This feature is not supported by the ASIC, this patch removes access to
   GENDMA_INT register.

Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/vxge/vxge-config.c | 2 --
 drivers/net/vxge/vxge-reg.h    | 4 ----
 2 files changed, 6 deletions(-)

diff --git a/drivers/net/vxge/vxge-config.c b/drivers/net/vxge/vxge-config.c
index 11cdb381681..e51fac8d0ad 100644
--- a/drivers/net/vxge/vxge-config.c
+++ b/drivers/net/vxge/vxge-config.c
@@ -4106,8 +4106,6 @@ __vxge_hw_vpath_initialize(struct __vxge_hw_device *hldev, u32 vp_id)
 	if (status != VXGE_HW_OK)
 		goto exit;
 
-	writeq(0, &vp_reg->gendma_int);
-
 	val64 = readq(&vp_reg->rtdma_rd_optimization_ctrl);
 
 	/* Get MRRS value from device control */
diff --git a/drivers/net/vxge/vxge-reg.h b/drivers/net/vxge/vxge-reg.h
index 9a3b823e08d..9a0cf8eaa32 100644
--- a/drivers/net/vxge/vxge-reg.h
+++ b/drivers/net/vxge/vxge-reg.h
@@ -4326,10 +4326,6 @@ struct vxge_hw_vpath_reg {
 /*0x011e0*/	u64	umq_bwr_init_byte;
 #define VXGE_HW_UMQ_BWR_INIT_BYTE_COUNT(val) vxge_vBIT(val, 0, 32)
 /*0x011e8*/	u64	gendma_int;
-#define	VXGE_HW_GENDMA_INT_IMMED_ENABLE	vxge_mBIT(6)
-#define	VXGE_HW_GENDMA_INT_EVENT_ENABLE	vxge_mBIT(7)
-#define VXGE_HW_GENDMA_INT_NUMBER(val) vxge_vBIT(val, 9, 7)
-#define VXGE_HW_GENDMA_INT_BITMAP(val) vxge_vBIT(val, 16, 16)
 /*0x011f0*/	u64	umqdmq_ir_init_notify;
 #define	VXGE_HW_UMQDMQ_IR_INIT_NOTIFY_PULSE	vxge_mBIT(3)
 /*0x011f8*/	u64	dmq_init_notify;
-- 
GitLab


From a4a987d82258f55c4bc4ab0156fb20a2b3fa4f41 Mon Sep 17 00:00:00 2001
From: Sreenivasa Honnur <Sreenivasa.Honnur@neterion.com>
Date: Mon, 5 Oct 2009 01:54:42 +0000
Subject: [PATCH 0034/1815] vxge: Fixed crash in PAE system due to wrong
 typecasting.

- Fix a crash in PAE system due to wrong typecasting.

- On PAE system size_t is unsigned int which is 32bit. Avoid casting
  64 bit address to 32 bit

Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/vxge/vxge-traffic.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/vxge/vxge-traffic.c b/drivers/net/vxge/vxge-traffic.c
index fe3ae518c69..daeec2152bf 100644
--- a/drivers/net/vxge/vxge-traffic.c
+++ b/drivers/net/vxge/vxge-traffic.c
@@ -1232,7 +1232,7 @@ void vxge_hw_fifo_txdl_post(struct __vxge_hw_fifo *fifo, void *txdlh)
 	vxge_hw_channel_dtr_post(&fifo->channel, txdlh);
 
 	__vxge_hw_non_offload_db_post(fifo,
-		(u64)(size_t)txdl_priv->dma_addr,
+		(u64)txdl_priv->dma_addr,
 		txdl_priv->frags - 1,
 		fifo->no_snoop_bits);
 
-- 
GitLab


From f0dfebafcc14a7456eb6ae974b68f600fdd8b42d Mon Sep 17 00:00:00 2001
From: Sreenivasa Honnur <Sreenivasa.Honnur@neterion.com>
Date: Mon, 5 Oct 2009 01:55:47 +0000
Subject: [PATCH 0035/1815] vxge: Removed unused functions.

- Removed the wrr_rebalance function

- This feature is not supported by the ASIC, hence removing the related code.

Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/vxge/vxge-config.c | 204 ---------------------------------
 1 file changed, 204 deletions(-)

diff --git a/drivers/net/vxge/vxge-config.c b/drivers/net/vxge/vxge-config.c
index e51fac8d0ad..933237ec38d 100644
--- a/drivers/net/vxge/vxge-config.c
+++ b/drivers/net/vxge/vxge-config.c
@@ -460,209 +460,6 @@ __vxge_hw_verify_pci_e_info(struct __vxge_hw_device *hldev)
 	return VXGE_HW_OK;
 }
 
-/*
- * vxge_hw_wrr_rebalance - Rebalance the RX_WRR and KDFC_WRR calandars.
- * Rebalance the RX_WRR and KDFC_WRR calandars.
- */
-static enum
-vxge_hw_status vxge_hw_wrr_rebalance(struct __vxge_hw_device *hldev)
-{
-	u64 val64;
-	u32 wrr_states[VXGE_HW_WEIGHTED_RR_SERVICE_STATES];
-	u32 i, j, how_often = 1;
-	enum vxge_hw_status status = VXGE_HW_OK;
-
-	status = __vxge_hw_device_is_privilaged(hldev->host_type,
-			hldev->func_id);
-	if (status != VXGE_HW_OK)
-		goto exit;
-
-	/* Reset the priorities assigned to the WRR arbitration
-	phases for the receive traffic */
-	for (i = 0; i < VXGE_HW_WRR_RING_COUNT; i++)
-		writeq(0, ((&hldev->mrpcim_reg->rx_w_round_robin_0) + i));
-
-	/* Reset the transmit FIFO servicing calendar for FIFOs */
-	for (i = 0; i < VXGE_HW_WRR_FIFO_COUNT; i++) {
-		writeq(0, ((&hldev->mrpcim_reg->kdfc_w_round_robin_0) + i));
-		writeq(0, ((&hldev->mrpcim_reg->kdfc_w_round_robin_20) + i));
-	}
-
-	/* Assign WRR priority  0 for all FIFOs */
-	for (i = 1; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) {
-		writeq(VXGE_HW_KDFC_FIFO_0_CTRL_WRR_NUMBER(0),
-				((&hldev->mrpcim_reg->kdfc_fifo_0_ctrl)  + i));
-
-		writeq(VXGE_HW_KDFC_FIFO_17_CTRL_WRR_NUMBER(0),
-			((&hldev->mrpcim_reg->kdfc_fifo_17_ctrl) + i));
-	}
-
-	/* Reset to service non-offload doorbells */
-	writeq(0, &hldev->mrpcim_reg->kdfc_entry_type_sel_0);
-	writeq(0, &hldev->mrpcim_reg->kdfc_entry_type_sel_1);
-
-	/* Set priority 0 to all receive queues */
-	writeq(0, &hldev->mrpcim_reg->rx_queue_priority_0);
-	writeq(0, &hldev->mrpcim_reg->rx_queue_priority_1);
-	writeq(0, &hldev->mrpcim_reg->rx_queue_priority_2);
-
-	/* Initialize all the slots as unused */
-	for (i = 0; i < VXGE_HW_WEIGHTED_RR_SERVICE_STATES; i++)
-		wrr_states[i] = -1;
-
-	/* Prepare the Fifo service states */
-	for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) {
-
-		if (!hldev->config.vp_config[i].min_bandwidth)
-			continue;
-
-		how_often = VXGE_HW_VPATH_BANDWIDTH_MAX /
-				hldev->config.vp_config[i].min_bandwidth;
-		if (how_often) {
-
-			for (j = 0; j < VXGE_HW_WRR_FIFO_SERVICE_STATES;) {
-				if (wrr_states[j] == -1) {
-					wrr_states[j] = i;
-					/* Make sure each fifo is serviced
-					 * atleast once */
-					if (i == j)
-						j += VXGE_HW_MAX_VIRTUAL_PATHS;
-					else
-						j += how_often;
-				} else
-					j++;
-			}
-		}
-	}
-
-	/* Fill the unused slots with 0 */
-	for (j = 0; j < VXGE_HW_WEIGHTED_RR_SERVICE_STATES; j++) {
-		if (wrr_states[j] == -1)
-			wrr_states[j] = 0;
-	}
-
-	/* Assign WRR priority number for FIFOs */
-	for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) {
-		writeq(VXGE_HW_KDFC_FIFO_0_CTRL_WRR_NUMBER(i),
-				((&hldev->mrpcim_reg->kdfc_fifo_0_ctrl) + i));
-
-		writeq(VXGE_HW_KDFC_FIFO_17_CTRL_WRR_NUMBER(i),
-			((&hldev->mrpcim_reg->kdfc_fifo_17_ctrl) + i));
-	}
-
-	/* Modify the servicing algorithm applied to the 3 types of doorbells.
-	i.e, none-offload, message and offload */
-	writeq(VXGE_HW_KDFC_ENTRY_TYPE_SEL_0_NUMBER_0(0) |
-				VXGE_HW_KDFC_ENTRY_TYPE_SEL_0_NUMBER_1(0) |
-				VXGE_HW_KDFC_ENTRY_TYPE_SEL_0_NUMBER_2(0) |
-				VXGE_HW_KDFC_ENTRY_TYPE_SEL_0_NUMBER_3(0) |
-				VXGE_HW_KDFC_ENTRY_TYPE_SEL_0_NUMBER_4(1) |
-				VXGE_HW_KDFC_ENTRY_TYPE_SEL_0_NUMBER_5(0) |
-				VXGE_HW_KDFC_ENTRY_TYPE_SEL_0_NUMBER_6(0) |
-				VXGE_HW_KDFC_ENTRY_TYPE_SEL_0_NUMBER_7(0),
-				&hldev->mrpcim_reg->kdfc_entry_type_sel_0);
-
-	writeq(VXGE_HW_KDFC_ENTRY_TYPE_SEL_1_NUMBER_8(1),
-				&hldev->mrpcim_reg->kdfc_entry_type_sel_1);
-
-	for (i = 0, j = 0; i < VXGE_HW_WRR_FIFO_COUNT; i++) {
-
-		val64 = VXGE_HW_KDFC_W_ROUND_ROBIN_0_NUMBER_0(wrr_states[j++]);
-		val64 |= VXGE_HW_KDFC_W_ROUND_ROBIN_0_NUMBER_1(wrr_states[j++]);
-		val64 |= VXGE_HW_KDFC_W_ROUND_ROBIN_0_NUMBER_2(wrr_states[j++]);
-		val64 |= VXGE_HW_KDFC_W_ROUND_ROBIN_0_NUMBER_3(wrr_states[j++]);
-		val64 |= VXGE_HW_KDFC_W_ROUND_ROBIN_0_NUMBER_4(wrr_states[j++]);
-		val64 |= VXGE_HW_KDFC_W_ROUND_ROBIN_0_NUMBER_5(wrr_states[j++]);
-		val64 |= VXGE_HW_KDFC_W_ROUND_ROBIN_0_NUMBER_6(wrr_states[j++]);
-		val64 |= VXGE_HW_KDFC_W_ROUND_ROBIN_0_NUMBER_7(wrr_states[j++]);
-
-		writeq(val64, (&hldev->mrpcim_reg->kdfc_w_round_robin_0 + i));
-		writeq(val64, (&hldev->mrpcim_reg->kdfc_w_round_robin_20 + i));
-	}
-
-	/* Set up the priorities assigned to receive queues */
-	writeq(VXGE_HW_RX_QUEUE_PRIORITY_0_RX_Q_NUMBER_0(0) |
-			VXGE_HW_RX_QUEUE_PRIORITY_0_RX_Q_NUMBER_1(1) |
-			VXGE_HW_RX_QUEUE_PRIORITY_0_RX_Q_NUMBER_2(2) |
-			VXGE_HW_RX_QUEUE_PRIORITY_0_RX_Q_NUMBER_3(3) |
-			VXGE_HW_RX_QUEUE_PRIORITY_0_RX_Q_NUMBER_4(4) |
-			VXGE_HW_RX_QUEUE_PRIORITY_0_RX_Q_NUMBER_5(5) |
-			VXGE_HW_RX_QUEUE_PRIORITY_0_RX_Q_NUMBER_6(6) |
-			VXGE_HW_RX_QUEUE_PRIORITY_0_RX_Q_NUMBER_7(7),
-			&hldev->mrpcim_reg->rx_queue_priority_0);
-
-	writeq(VXGE_HW_RX_QUEUE_PRIORITY_1_RX_Q_NUMBER_8(8) |
-			VXGE_HW_RX_QUEUE_PRIORITY_1_RX_Q_NUMBER_9(9) |
-			VXGE_HW_RX_QUEUE_PRIORITY_1_RX_Q_NUMBER_10(10) |
-			VXGE_HW_RX_QUEUE_PRIORITY_1_RX_Q_NUMBER_11(11) |
-			VXGE_HW_RX_QUEUE_PRIORITY_1_RX_Q_NUMBER_12(12) |
-			VXGE_HW_RX_QUEUE_PRIORITY_1_RX_Q_NUMBER_13(13) |
-			VXGE_HW_RX_QUEUE_PRIORITY_1_RX_Q_NUMBER_14(14) |
-			VXGE_HW_RX_QUEUE_PRIORITY_1_RX_Q_NUMBER_15(15),
-			&hldev->mrpcim_reg->rx_queue_priority_1);
-
-	writeq(VXGE_HW_RX_QUEUE_PRIORITY_2_RX_Q_NUMBER_16(16),
-				&hldev->mrpcim_reg->rx_queue_priority_2);
-
-	/* Initialize all the slots as unused */
-	for (i = 0; i < VXGE_HW_WEIGHTED_RR_SERVICE_STATES; i++)
-		wrr_states[i] = -1;
-
-	/* Prepare the Ring service states */
-	for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) {
-
-		if (!hldev->config.vp_config[i].min_bandwidth)
-			continue;
-
-		how_often = VXGE_HW_VPATH_BANDWIDTH_MAX /
-				hldev->config.vp_config[i].min_bandwidth;
-
-		if (how_often) {
-			for (j = 0; j < VXGE_HW_WRR_RING_SERVICE_STATES;) {
-				if (wrr_states[j] == -1) {
-					wrr_states[j] = i;
-					/* Make sure each ring is
-					 * serviced atleast once */
-					if (i == j)
-						j += VXGE_HW_MAX_VIRTUAL_PATHS;
-					else
-						j += how_often;
-				} else
-					j++;
-			}
-		}
-	}
-
-	/* Fill the unused slots with 0 */
-	for (j = 0; j < VXGE_HW_WEIGHTED_RR_SERVICE_STATES; j++) {
-		if (wrr_states[j] == -1)
-			wrr_states[j] = 0;
-	}
-
-	for (i = 0, j = 0; i < VXGE_HW_WRR_RING_COUNT; i++) {
-		val64 =  VXGE_HW_RX_W_ROUND_ROBIN_0_RX_W_PRIORITY_SS_0(
-				wrr_states[j++]);
-		val64 |=  VXGE_HW_RX_W_ROUND_ROBIN_0_RX_W_PRIORITY_SS_1(
-				wrr_states[j++]);
-		val64 |=  VXGE_HW_RX_W_ROUND_ROBIN_0_RX_W_PRIORITY_SS_2(
-				wrr_states[j++]);
-		val64 |=  VXGE_HW_RX_W_ROUND_ROBIN_0_RX_W_PRIORITY_SS_3(
-				wrr_states[j++]);
-		val64 |=  VXGE_HW_RX_W_ROUND_ROBIN_0_RX_W_PRIORITY_SS_4(
-				wrr_states[j++]);
-		val64 |=  VXGE_HW_RX_W_ROUND_ROBIN_0_RX_W_PRIORITY_SS_5(
-				wrr_states[j++]);
-		val64 |=  VXGE_HW_RX_W_ROUND_ROBIN_0_RX_W_PRIORITY_SS_6(
-				wrr_states[j++]);
-		val64 |=  VXGE_HW_RX_W_ROUND_ROBIN_0_RX_W_PRIORITY_SS_7(
-				wrr_states[j++]);
-
-		writeq(val64, ((&hldev->mrpcim_reg->rx_w_round_robin_0) + i));
-	}
-exit:
-	return status;
-}
-
 /*
  * __vxge_hw_device_initialize
  * Initialize Titan-V hardware.
@@ -679,7 +476,6 @@ enum vxge_hw_status __vxge_hw_device_initialize(struct __vxge_hw_device *hldev)
 			goto exit;
 	}
 
-	vxge_hw_wrr_rebalance(hldev);
 exit:
 	return status;
 }
-- 
GitLab


From fa41fd10038ab575f043a62dace374e07e9193de Mon Sep 17 00:00:00 2001
From: Sreenivasa Honnur <Sreenivasa.Honnur@neterion.com>
Date: Mon, 5 Oct 2009 01:56:35 +0000
Subject: [PATCH 0036/1815] vxge: Check if FCS stripping is disabled by the
 firmware.

- Added a function to check if FCS stripping is disabled by the firmware, if
  it is not disabled fail driver load.

- By default FCS stripping is disabled by the firmware. With this assumption
  driver decrements the indicated packet length by 4 bytes(FCS length).

- This patch ensures that FCS stripping is disabled during driver load time.

Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/vxge/vxge-config.c | 22 ++++++++++++++++++++++
 drivers/net/vxge/vxge-config.h |  2 ++
 drivers/net/vxge/vxge-main.c   |  9 +++++++++
 3 files changed, 33 insertions(+)

diff --git a/drivers/net/vxge/vxge-config.c b/drivers/net/vxge/vxge-config.c
index 933237ec38d..c07a7379cfa 100644
--- a/drivers/net/vxge/vxge-config.c
+++ b/drivers/net/vxge/vxge-config.c
@@ -2156,6 +2156,28 @@ exit:
 	return status;
 }
 
+/*
+ * vxge_hw_vpath_strip_fcs_check - Check for FCS strip.
+ */
+enum vxge_hw_status
+vxge_hw_vpath_strip_fcs_check(struct __vxge_hw_device *hldev, u64 vpath_mask)
+{
+	struct vxge_hw_vpmgmt_reg       __iomem *vpmgmt_reg;
+	enum vxge_hw_status status = VXGE_HW_OK;
+	int i = 0, j = 0;
+
+	for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) {
+		if (!((vpath_mask) & vxge_mBIT(i)))
+			continue;
+		vpmgmt_reg = hldev->vpmgmt_reg[i];
+		for (j = 0; j < VXGE_HW_MAC_MAX_MAC_PORT_ID; j++) {
+			if (readq(&vpmgmt_reg->rxmac_cfg0_port_vpmgmt_clone[j])
+			& VXGE_HW_RXMAC_CFG0_PORT_VPMGMT_CLONE_STRIP_FCS)
+				return VXGE_HW_FAIL;
+		}
+	}
+	return status;
+}
 /*
  * vxge_hw_mgmt_reg_Write - Write Titan register.
  */
diff --git a/drivers/net/vxge/vxge-config.h b/drivers/net/vxge/vxge-config.h
index 3e94f0ce090..e7877df092f 100644
--- a/drivers/net/vxge/vxge-config.h
+++ b/drivers/net/vxge/vxge-config.h
@@ -2201,6 +2201,8 @@ __vxge_hw_vpath_func_id_get(
 enum vxge_hw_status
 __vxge_hw_vpath_reset_check(struct __vxge_hw_virtualpath *vpath);
 
+enum vxge_hw_status
+vxge_hw_vpath_strip_fcs_check(struct __vxge_hw_device *hldev, u64 vpath_mask);
 /**
  * vxge_debug
  * @level: level of debug verbosity.
diff --git a/drivers/net/vxge/vxge-main.c b/drivers/net/vxge/vxge-main.c
index 7a851ac30c6..04ac4b6cf83 100644
--- a/drivers/net/vxge/vxge-main.c
+++ b/drivers/net/vxge/vxge-main.c
@@ -4244,6 +4244,15 @@ vxge_probe(struct pci_dev *pdev, const struct pci_device_id *pre)
 			goto _exit3;
 	}
 
+	/* if FCS stripping is not disabled in MAC fail driver load */
+	if (vxge_hw_vpath_strip_fcs_check(hldev, vpath_mask) != VXGE_HW_OK) {
+		vxge_debug_init(VXGE_ERR,
+			"%s: FCS stripping is not disabled in MAC"
+			" failing driver load", VXGE_DRIVER_NAME);
+		ret = -EINVAL;
+		goto _exit4;
+	}
+
 	vxge_hw_device_debug_set(hldev, VXGE_ERR, VXGE_COMPONENT_LL);
 
 	/* set private device info */
-- 
GitLab


From eb5f10c21badd967aa466fd4f7eddfc724c8cb64 Mon Sep 17 00:00:00 2001
From: Sreenivasa Honnur <Sreenivasa.Honnur@neterion.com>
Date: Mon, 5 Oct 2009 01:57:29 +0000
Subject: [PATCH 0037/1815] vxge: Allow multiple functions with INTA.

- Allow multiple functions with INTA.
- Removed the condition to allow only one vpath with INTA
- Ensure that the alarm bit in titan_mask_all_int register is cleared when
  driver exits.

Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/vxge/vxge-config.c  | 24 +++++++++
 drivers/net/vxge/vxge-main.c    | 92 +++++++++++++--------------------
 drivers/net/vxge/vxge-main.h    |  1 -
 drivers/net/vxge/vxge-traffic.c |  2 +
 drivers/net/vxge/vxge-traffic.h |  2 +
 5 files changed, 64 insertions(+), 57 deletions(-)

diff --git a/drivers/net/vxge/vxge-config.c b/drivers/net/vxge/vxge-config.c
index c07a7379cfa..32a75fa935e 100644
--- a/drivers/net/vxge/vxge-config.c
+++ b/drivers/net/vxge/vxge-config.c
@@ -3882,6 +3882,30 @@ __vxge_hw_vpath_tim_configure(struct __vxge_hw_device *hldev, u32 vp_id)
 	return status;
 }
 
+void
+vxge_hw_vpath_tti_ci_set(struct __vxge_hw_device *hldev, u32 vp_id)
+{
+	struct __vxge_hw_virtualpath *vpath;
+	struct vxge_hw_vpath_reg __iomem *vp_reg;
+	struct vxge_hw_vp_config *config;
+	u64 val64;
+
+	vpath = &hldev->virtual_paths[vp_id];
+	vp_reg = vpath->vp_reg;
+	config = vpath->vp_config;
+
+	if (config->fifo.enable == VXGE_HW_FIFO_ENABLE) {
+		val64 = readq(&vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_TX]);
+
+		if (config->tti.timer_ci_en != VXGE_HW_TIM_TIMER_CI_ENABLE) {
+			config->tti.timer_ci_en = VXGE_HW_TIM_TIMER_CI_ENABLE;
+			val64 |= VXGE_HW_TIM_CFG1_INT_NUM_TIMER_CI;
+			writeq(val64,
+			&vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_TX]);
+		}
+	}
+	return;
+}
 /*
  * __vxge_hw_vpath_initialize
  * This routine is the final phase of init which initializes the
diff --git a/drivers/net/vxge/vxge-main.c b/drivers/net/vxge/vxge-main.c
index 04ac4b6cf83..63d0f891ffa 100644
--- a/drivers/net/vxge/vxge-main.c
+++ b/drivers/net/vxge/vxge-main.c
@@ -2435,7 +2435,6 @@ static int vxge_add_isr(struct vxgedev *vdev)
 	int ret = 0;
 #ifdef CONFIG_PCI_MSI
 	int vp_idx = 0, intr_idx = 0, intr_cnt = 0, msix_idx = 0, irq_req = 0;
-	u64 function_mode = vdev->config.device_hw_info.function_mode;
 	int pci_fun = PCI_FUNC(vdev->pdev->devfn);
 
 	if (vdev->config.intr_type == MSI_X)
@@ -2444,20 +2443,9 @@ static int vxge_add_isr(struct vxgedev *vdev)
 	if (ret) {
 		vxge_debug_init(VXGE_ERR,
 			"%s: Enabling MSI-X Failed", VXGE_DRIVER_NAME);
-		if ((function_mode == VXGE_HW_FUNCTION_MODE_MULTI_FUNCTION) &&
-			test_and_set_bit(__VXGE_STATE_CARD_UP,
-				&driver_config->inta_dev_open))
-			return VXGE_HW_FAIL;
-		else {
-			vxge_debug_init(VXGE_ERR,
-				"%s: Defaulting to INTA", VXGE_DRIVER_NAME);
-			vdev->config.intr_type = INTA;
-			vxge_hw_device_set_intr_type(vdev->devh,
-				VXGE_HW_INTR_MODE_IRQLINE);
-			vxge_close_vpaths(vdev, 1);
-			vdev->no_of_vpath = 1;
-			vdev->stats.vpaths_open = 1;
-		}
+		vxge_debug_init(VXGE_ERR,
+			"%s: Defaulting to INTA", VXGE_DRIVER_NAME);
+		vdev->config.intr_type = INTA;
 	}
 
 	if (vdev->config.intr_type == MSI_X) {
@@ -2505,24 +2493,11 @@ static int vxge_add_isr(struct vxgedev *vdev)
 					"%s: MSIX - %d  Registration failed",
 					vdev->ndev->name, intr_cnt);
 				vxge_rem_msix_isr(vdev);
-				if ((function_mode ==
-					VXGE_HW_FUNCTION_MODE_MULTI_FUNCTION) &&
-					test_and_set_bit(__VXGE_STATE_CARD_UP,
-						&driver_config->inta_dev_open))
-					return VXGE_HW_FAIL;
-				else {
-					vxge_hw_device_set_intr_type(
-						vdev->devh,
-						VXGE_HW_INTR_MODE_IRQLINE);
-						vdev->config.intr_type = INTA;
-					vxge_debug_init(VXGE_ERR,
-						"%s: Defaulting to INTA"
-						, vdev->ndev->name);
-					vxge_close_vpaths(vdev, 1);
-					vdev->no_of_vpath = 1;
-					vdev->stats.vpaths_open = 1;
+				vdev->config.intr_type = INTA;
+				vxge_debug_init(VXGE_ERR,
+					"%s: Defaulting to INTA"
+					, vdev->ndev->name);
 					goto INTA_MODE;
-				}
 			}
 
 			if (irq_req) {
@@ -2555,23 +2530,11 @@ static int vxge_add_isr(struct vxgedev *vdev)
 				"%s: MSIX - %d Registration failed",
 				vdev->ndev->name, intr_cnt);
 			vxge_rem_msix_isr(vdev);
-			if ((function_mode ==
-				VXGE_HW_FUNCTION_MODE_MULTI_FUNCTION) &&
-				test_and_set_bit(__VXGE_STATE_CARD_UP,
-						&driver_config->inta_dev_open))
-				return VXGE_HW_FAIL;
-			else {
-				vxge_hw_device_set_intr_type(vdev->devh,
-						VXGE_HW_INTR_MODE_IRQLINE);
-				vdev->config.intr_type = INTA;
-				vxge_debug_init(VXGE_ERR,
-					"%s: Defaulting to INTA",
-					vdev->ndev->name);
-				vxge_close_vpaths(vdev, 1);
-				vdev->no_of_vpath = 1;
-				vdev->stats.vpaths_open = 1;
+			vdev->config.intr_type = INTA;
+			vxge_debug_init(VXGE_ERR,
+				"%s: Defaulting to INTA",
+				vdev->ndev->name);
 				goto INTA_MODE;
-			}
 		}
 
 		vxge_hw_vpath_msix_unmask(vdev->vpaths[vp_idx].handle,
@@ -2584,6 +2547,10 @@ INTA_MODE:
 	snprintf(vdev->desc[0], VXGE_INTR_STRLEN, "%s:vxge", vdev->ndev->name);
 
 	if (vdev->config.intr_type == INTA) {
+		vxge_hw_device_set_intr_type(vdev->devh,
+			VXGE_HW_INTR_MODE_IRQLINE);
+		vxge_hw_vpath_tti_ci_set(vdev->devh,
+			vdev->vpaths[0].device_id);
 		ret = request_irq((int) vdev->pdev->irq,
 			vxge_isr_napi,
 			IRQF_SHARED, vdev->desc[0], vdev);
@@ -2688,13 +2655,6 @@ vxge_open(struct net_device *dev)
 	 * initialized */
 	netif_carrier_off(dev);
 
-	/* Check for another device already opn with INTA */
-	if ((function_mode == VXGE_HW_FUNCTION_MODE_MULTI_FUNCTION) &&
-		test_bit(__VXGE_STATE_CARD_UP, &driver_config->inta_dev_open)) {
-		ret = -EPERM;
-		goto out0;
-	}
-
 	/* Open VPATHs */
 	status = vxge_open_vpaths(vdev);
 	if (status != VXGE_HW_OK) {
@@ -2983,7 +2943,6 @@ int do_vxge_close(struct net_device *dev, int do_io)
 	vxge_debug_entryexit(VXGE_TRACE,
 		"%s: %s:%d  Exiting...", dev->name, __func__, __LINE__);
 
-	clear_bit(__VXGE_STATE_CARD_UP, &driver_config->inta_dev_open);
 	clear_bit(__VXGE_STATE_RESET_CARD, &vdev->state);
 
 	return 0;
@@ -4397,6 +4356,27 @@ vxge_probe(struct pci_dev *pdev, const struct pci_device_id *pre)
 	}
 
 	kfree(device_config);
+
+	/*
+	 * INTA is shared in multi-function mode. This is unlike the INTA
+	 * implementation in MR mode, where each VH has its own INTA message.
+	 * - INTA is masked (disabled) as long as at least one function sets
+	 * its TITAN_MASK_ALL_INT.ALARM bit.
+	 * - INTA is unmasked (enabled) when all enabled functions have cleared
+	 * their own TITAN_MASK_ALL_INT.ALARM bit.
+	 * The TITAN_MASK_ALL_INT ALARM & TRAFFIC bits are cleared on power up.
+	 * Though this driver leaves the top level interrupts unmasked while
+	 * leaving the required module interrupt bits masked on exit, there
+	 * could be a rougue driver around that does not follow this procedure
+	 * resulting in a failure to generate interrupts. The following code is
+	 * present to prevent such a failure.
+	 */
+
+	if (ll_config.device_hw_info.function_mode ==
+		VXGE_HW_FUNCTION_MODE_MULTI_FUNCTION)
+		if (vdev->config.intr_type == INTA)
+			vxge_hw_device_unmask_all(hldev);
+
 	vxge_debug_entryexit(VXGE_TRACE, "%s: %s:%d  Exiting...",
 		vdev->ndev->name, __func__, __LINE__);
 
diff --git a/drivers/net/vxge/vxge-main.h b/drivers/net/vxge/vxge-main.h
index 9c36b3a9a63..7c83ba4be9d 100644
--- a/drivers/net/vxge/vxge-main.h
+++ b/drivers/net/vxge/vxge-main.h
@@ -112,7 +112,6 @@ enum vxge_mac_addr_state {
 struct vxge_drv_config {
 	int config_dev_cnt;
 	int total_dev_cnt;
-	unsigned long inta_dev_open;
 	int g_no_cpus;
 	unsigned int vpath_per_dev;
 };
diff --git a/drivers/net/vxge/vxge-traffic.c b/drivers/net/vxge/vxge-traffic.c
index daeec2152bf..61ce754fa9d 100644
--- a/drivers/net/vxge/vxge-traffic.c
+++ b/drivers/net/vxge/vxge-traffic.c
@@ -295,6 +295,8 @@ void vxge_hw_device_intr_enable(struct __vxge_hw_device *hldev)
 	u64 val64;
 	u32 val32;
 
+	vxge_hw_device_mask_all(hldev);
+
 	for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) {
 
 		if (!(hldev->vpaths_deployed & vxge_mBIT(i)))
diff --git a/drivers/net/vxge/vxge-traffic.h b/drivers/net/vxge/vxge-traffic.h
index 461742b4442..861c853e3e8 100644
--- a/drivers/net/vxge/vxge-traffic.h
+++ b/drivers/net/vxge/vxge-traffic.h
@@ -2389,6 +2389,8 @@ vxge_hw_channel_dtr_free(struct __vxge_hw_channel *channel, void *dtrh);
 
 int
 vxge_hw_channel_dtr_count(struct __vxge_hw_channel *channel);
+void
+vxge_hw_vpath_tti_ci_set(struct __vxge_hw_device *hldev, u32 vp_id);
 
 /* ========================== PRIVATE API ================================= */
 
-- 
GitLab


From bd32cafc4707ccc1e66fafdb47fac42217569070 Mon Sep 17 00:00:00 2001
From: Sreenivasa Honnur <Sreenivasa.Honnur@neterion.com>
Date: Mon, 5 Oct 2009 01:59:41 +0000
Subject: [PATCH 0038/1815] vxge: Version update.

- Version Update.

Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/vxge/vxge-version.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/vxge/vxge-version.h b/drivers/net/vxge/vxge-version.h
index 8fbce755203..fa66248aae6 100644
--- a/drivers/net/vxge/vxge-version.h
+++ b/drivers/net/vxge/vxge-version.h
@@ -17,7 +17,7 @@
 
 #define VXGE_VERSION_MAJOR	"2"
 #define VXGE_VERSION_MINOR	"0"
-#define VXGE_VERSION_FIX	"5"
-#define VXGE_VERSION_BUILD	"18053"
+#define VXGE_VERSION_FIX	"6"
+#define VXGE_VERSION_BUILD	"18707"
 #define VXGE_VERSION_FOR	"k"
 #endif
-- 
GitLab


From bcdce7195e0eab55b37dbd53be53057f38006380 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 6 Oct 2009 17:28:29 -0700
Subject: [PATCH 0039/1815] net: speedup sk_wake_async()

An incoming datagram must bring into cpu cache *lot* of cache lines,
in particular : (other parts omitted (hash chains, ip route cache...))

On 32bit arches :

offsetof(struct sock, sk_rcvbuf)       =0x30    (read)
offsetof(struct sock, sk_lock)         =0x34   (rw)

offsetof(struct sock, sk_sleep)        =0x50 (read)
offsetof(struct sock, sk_rmem_alloc)   =0x64   (rw)
offsetof(struct sock, sk_receive_queue)=0x74   (rw)

offsetof(struct sock, sk_forward_alloc)=0x98   (rw)

offsetof(struct sock, sk_callback_lock)=0xcc    (rw)
offsetof(struct sock, sk_drops)        =0xd8 (read if we add dropcount support, rw if frame dropped)
offsetof(struct sock, sk_filter)       =0xf8    (read)

offsetof(struct sock, sk_socket)       =0x138 (read)

offsetof(struct sock, sk_data_ready)   =0x15c   (read)


We can avoid sk->sk_socket and socket->fasync_list referencing on sockets
with no fasync() structures. (socket->fasync_list ptr is probably already in cache
because it shares a cache line with socket->wait, ie location pointed by sk->sk_sleep)

This avoids one cache line load per incoming packet for common cases (no fasync())

We can leave (or even move in a future patch) sk->sk_socket in a cold location

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/sock.h | 3 ++-
 net/socket.c       | 3 +++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/include/net/sock.h b/include/net/sock.h
index 1621935aad5..98398bdec57 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -504,6 +504,7 @@ enum sock_flags {
 	SOCK_TIMESTAMPING_SOFTWARE,     /* %SOF_TIMESTAMPING_SOFTWARE */
 	SOCK_TIMESTAMPING_RAW_HARDWARE, /* %SOF_TIMESTAMPING_RAW_HARDWARE */
 	SOCK_TIMESTAMPING_SYS_HARDWARE, /* %SOF_TIMESTAMPING_SYS_HARDWARE */
+	SOCK_FASYNC, /* fasync() active */
 };
 
 static inline void sock_copy_flags(struct sock *nsk, struct sock *osk)
@@ -1396,7 +1397,7 @@ static inline unsigned long sock_wspace(struct sock *sk)
 
 static inline void sk_wake_async(struct sock *sk, int how, int band)
 {
-	if (sk->sk_socket && sk->sk_socket->fasync_list)
+	if (sock_flag(sk, SOCK_FASYNC))
 		sock_wake_async(sk->sk_socket, how, band);
 }
 
diff --git a/net/socket.c b/net/socket.c
index 75655365b5f..d53ad11558c 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -1100,11 +1100,14 @@ static int sock_fasync(int fd, struct file *filp, int on)
 		fna->fa_next = sock->fasync_list;
 		write_lock_bh(&sk->sk_callback_lock);
 		sock->fasync_list = fna;
+		sock_set_flag(sk, SOCK_FASYNC);
 		write_unlock_bh(&sk->sk_callback_lock);
 	} else {
 		if (fa != NULL) {
 			write_lock_bh(&sk->sk_callback_lock);
 			*prev = fa->fa_next;
+			if (!sock->fasync_list)
+				sock_reset_flag(sk, SOCK_FASYNC);
 			write_unlock_bh(&sk->sk_callback_lock);
 			kfree(fa);
 		}
-- 
GitLab


From 088ec0cc96e2befd5f3c035123f95c17bdf26e64 Mon Sep 17 00:00:00 2001
From: Tilman Schmidt <tilman@imap.cc>
Date: Tue, 6 Oct 2009 12:19:07 +0000
Subject: [PATCH 0040/1815] gigaset: prepare for CAPI implementation

Reorganize the code of the Gigaset driver, moving all isdn4linux
dependencies to the source file i4l.c so that it can be replaced
by a file capi.c interfacing to Kernel CAPI instead.

Impact: refactoring, no functional change
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/isdn/gigaset/asyncdata.c   | 124 ++++---
 drivers/isdn/gigaset/bas-gigaset.c |   4 +-
 drivers/isdn/gigaset/common.c      |  50 +--
 drivers/isdn/gigaset/ev-layer.c    |  64 ++--
 drivers/isdn/gigaset/gigaset.h     |  90 ++---
 drivers/isdn/gigaset/i4l.c         | 506 +++++++++++++++++------------
 drivers/isdn/gigaset/isocdata.c    |  79 ++---
 7 files changed, 492 insertions(+), 425 deletions(-)

diff --git a/drivers/isdn/gigaset/asyncdata.c b/drivers/isdn/gigaset/asyncdata.c
index 44a58e6f8f6..a25216bf475 100644
--- a/drivers/isdn/gigaset/asyncdata.c
+++ b/drivers/isdn/gigaset/asyncdata.c
@@ -119,10 +119,7 @@ static inline int hdlc_loop(unsigned char c, unsigned char *src, int numbytes,
 	int inputstate = bcs->inputstate;
 	__u16 fcs = bcs->fcs;
 	struct sk_buff *skb = bcs->skb;
-	unsigned char error;
-	struct sk_buff *compskb;
 	int startbytes = numbytes;
-	int l;
 
 	if (unlikely(inputstate & INS_byte_stuff)) {
 		inputstate &= ~INS_byte_stuff;
@@ -158,8 +155,8 @@ byte_stuff:
 #endif
 
 				/* end of frame */
-				error = 1;
-				gigaset_rcv_error(NULL, cs, bcs);
+				gigaset_isdn_rcv_err(bcs);
+				dev_kfree_skb(skb);
 			} else if (!(inputstate & INS_have_data)) { /* 7E 7E */
 #ifdef CONFIG_GIGASET_DEBUG
 				++bcs->emptycount;
@@ -170,54 +167,39 @@ byte_stuff:
 					"7e----------------------------");
 
 				/* end of frame */
-				error = 0;
-
 				if (unlikely(fcs != PPP_GOODFCS)) {
 					dev_err(cs->dev,
 				"Checksum failed, %u bytes corrupted!\n",
 						skb->len);
-					compskb = NULL;
-					gigaset_rcv_error(compskb, cs, bcs);
-					error = 1;
+					gigaset_isdn_rcv_err(bcs);
+					dev_kfree_skb(skb);
+				} else if (likely(skb->len > 2)) {
+					__skb_trim(skb, skb->len - 2);
+					gigaset_skb_rcvd(bcs, skb);
 				} else {
-					if (likely((l = skb->len) > 2)) {
-						skb->tail -= 2;
-						skb->len -= 2;
-					} else {
-						dev_kfree_skb(skb);
-						skb = NULL;
-						inputstate |= INS_skip_frame;
-						if (l == 1) {
-							dev_err(cs->dev,
-						  "invalid packet size (1)!\n");
-							error = 1;
-							gigaset_rcv_error(NULL,
-								cs, bcs);
-						}
-					}
-					if (likely(!(error ||
-						     (inputstate &
-						      INS_skip_frame)))) {
-						gigaset_rcv_skb(skb, cs, bcs);
+					if (skb->len) {
+						dev_err(cs->dev,
+					"invalid packet size (%d)\n", skb->len);
+						gigaset_isdn_rcv_err(bcs);
 					}
+					dev_kfree_skb(skb);
 				}
 			}
 
-			if (unlikely(error))
-				if (skb)
-					dev_kfree_skb(skb);
-
 			fcs = PPP_INITFCS;
 			inputstate &= ~(INS_have_data | INS_skip_frame);
 			if (unlikely(bcs->ignore)) {
 				inputstate |= INS_skip_frame;
 				skb = NULL;
-			} else if (likely((skb = dev_alloc_skb(SBUFSIZE + HW_HDR_LEN)) != NULL)) {
-				skb_reserve(skb, HW_HDR_LEN);
 			} else {
-				dev_warn(cs->dev,
-					 "could not allocate new skb\n");
-				inputstate |= INS_skip_frame;
+				skb = dev_alloc_skb(SBUFSIZE + cs->hw_hdr_len);
+				if (skb != NULL) {
+					skb_reserve(skb, cs->hw_hdr_len);
+				} else {
+					dev_warn(cs->dev,
+						"could not allocate new skb\n");
+					inputstate |= INS_skip_frame;
+				}
 			}
 
 			break;
@@ -314,18 +296,21 @@ static inline int iraw_loop(unsigned char c, unsigned char *src, int numbytes,
 	/* pass data up */
 	if (likely(inputstate & INS_have_data)) {
 		if (likely(!(inputstate & INS_skip_frame))) {
-			gigaset_rcv_skb(skb, cs, bcs);
+			gigaset_skb_rcvd(bcs, skb);
 		}
 		inputstate &= ~(INS_have_data | INS_skip_frame);
 		if (unlikely(bcs->ignore)) {
 			inputstate |= INS_skip_frame;
 			skb = NULL;
-		} else if (likely((skb = dev_alloc_skb(SBUFSIZE + HW_HDR_LEN))
-				  != NULL)) {
-			skb_reserve(skb, HW_HDR_LEN);
 		} else {
-			dev_warn(cs->dev, "could not allocate new skb\n");
-			inputstate |= INS_skip_frame;
+			skb = dev_alloc_skb(SBUFSIZE + cs->hw_hdr_len);
+			if (skb != NULL) {
+				skb_reserve(skb, cs->hw_hdr_len);
+			} else {
+				dev_warn(cs->dev,
+					 "could not allocate new skb\n");
+				inputstate |= INS_skip_frame;
+			}
 		}
 	}
 
@@ -383,7 +368,7 @@ void gigaset_m10x_input(struct inbuf_t *inbuf)
 					/* FIXME use function pointers?  */
 					if (inbuf->inputstate & INS_command)
 						procbytes = cmd_loop(c, src, numbytes, inbuf);
-					else if (inbuf->bcs->proto2 == ISDN_PROTO_L2_HDLC)
+					else if (inbuf->bcs->proto2 == L2_HDLC)
 						procbytes = hdlc_loop(c, src, numbytes, inbuf);
 					else
 						procbytes = iraw_loop(c, src, numbytes, inbuf);
@@ -440,16 +425,16 @@ EXPORT_SYMBOL_GPL(gigaset_m10x_input);
 
 /* == data output ========================================================== */
 
-/* Encoding of a PPP packet into an octet stuffed HDLC frame
- * with FCS, opening and closing flags.
+/*
+ * Encode a data packet into an octet stuffed HDLC frame with FCS,
+ * opening and closing flags, preserving headroom data.
  * parameters:
- *	skb	skb containing original packet (freed upon return)
- *	head	number of headroom bytes to allocate in result skb
- *	tail	number of tailroom bytes to allocate in result skb
+ *	skb		skb containing original packet (freed upon return)
+ *	headroom	number of headroom bytes to preserve
  * Return value:
  *	pointer to newly allocated skb containing the result frame
  */
-static struct sk_buff *HDLC_Encode(struct sk_buff *skb, int head, int tail)
+static struct sk_buff *HDLC_Encode(struct sk_buff *skb, int headroom)
 {
 	struct sk_buff *hdlc_skb;
 	__u16 fcs;
@@ -471,16 +456,17 @@ static struct sk_buff *HDLC_Encode(struct sk_buff *skb, int head, int tail)
 
 	/* size of new buffer: original size + number of stuffing bytes
 	 * + 2 bytes FCS + 2 stuffing bytes for FCS (if needed) + 2 flag bytes
+	 * + room for acknowledgement header
 	 */
-	hdlc_skb = dev_alloc_skb(skb->len + stuf_cnt + 6 + tail + head);
+	hdlc_skb = dev_alloc_skb(skb->len + stuf_cnt + 6 + headroom);
 	if (!hdlc_skb) {
 		dev_kfree_skb(skb);
 		return NULL;
 	}
-	skb_reserve(hdlc_skb, head);
 
-	/* Copy acknowledge request into new skb */
-	memcpy(hdlc_skb->head, skb->head, 2);
+	/* Copy acknowledgement header into new skb */
+	skb_reserve(hdlc_skb, headroom);
+	memcpy(hdlc_skb->head, skb->head, headroom);
 
 	/* Add flag sequence in front of everything.. */
 	*(skb_put(hdlc_skb, 1)) = PPP_FLAG;
@@ -515,15 +501,16 @@ static struct sk_buff *HDLC_Encode(struct sk_buff *skb, int head, int tail)
 	return hdlc_skb;
 }
 
-/* Encoding of a raw packet into an octet stuffed bit inverted frame
+/*
+ * Encode a data packet into an octet stuffed raw bit inverted frame,
+ * preserving headroom data.
  * parameters:
- *	skb	skb containing original packet (freed upon return)
- *	head	number of headroom bytes to allocate in result skb
- *	tail	number of tailroom bytes to allocate in result skb
+ *	skb		skb containing original packet (freed upon return)
+ *	headroom	number of headroom bytes to preserve
  * Return value:
  *	pointer to newly allocated skb containing the result frame
  */
-static struct sk_buff *iraw_encode(struct sk_buff *skb, int head, int tail)
+static struct sk_buff *iraw_encode(struct sk_buff *skb, int headroom)
 {
 	struct sk_buff *iraw_skb;
 	unsigned char c;
@@ -531,12 +518,15 @@ static struct sk_buff *iraw_encode(struct sk_buff *skb, int head, int tail)
 	int len;
 
 	/* worst case: every byte must be stuffed */
-	iraw_skb = dev_alloc_skb(2*skb->len + tail + head);
+	iraw_skb = dev_alloc_skb(2*skb->len + headroom);
 	if (!iraw_skb) {
 		dev_kfree_skb(skb);
 		return NULL;
 	}
-	skb_reserve(iraw_skb, head);
+
+	/* Copy acknowledgement header into new skb */
+	skb_reserve(iraw_skb, headroom);
+	memcpy(iraw_skb->head, skb->head, headroom);
 
 	cp = skb->data;
 	len = skb->len;
@@ -555,8 +545,10 @@ static struct sk_buff *iraw_encode(struct sk_buff *skb, int head, int tail)
  * @bcs:	B channel descriptor structure.
  * @skb:	data to send.
  *
- * Called by i4l.c to encode and queue an skb for sending, and start
+ * Called by LL to encode and queue an skb for sending, and start
  * transmission if necessary.
+ * Once the payload data has been transmitted completely, gigaset_skb_sent()
+ * will be called with the first cs->hw_hdr_len bytes of skb->head preserved.
  *
  * Return value:
  *	number of bytes accepted for sending (skb->len) if ok,
@@ -567,10 +559,10 @@ int gigaset_m10x_send_skb(struct bc_state *bcs, struct sk_buff *skb)
 	unsigned len = skb->len;
 	unsigned long flags;
 
-	if (bcs->proto2 == ISDN_PROTO_L2_HDLC)
-		skb = HDLC_Encode(skb, HW_HDR_LEN, 0);
+	if (bcs->proto2 == L2_HDLC)
+		skb = HDLC_Encode(skb, bcs->cs->hw_hdr_len);
 	else
-		skb = iraw_encode(skb, HW_HDR_LEN, 0);
+		skb = iraw_encode(skb, bcs->cs->hw_hdr_len);
 	if (!skb) {
 		dev_err(bcs->cs->dev,
 			"unable to allocate memory for encoding!\n");
diff --git a/drivers/isdn/gigaset/bas-gigaset.c b/drivers/isdn/gigaset/bas-gigaset.c
index 5ed1d99eb9f..388e63a8ae9 100644
--- a/drivers/isdn/gigaset/bas-gigaset.c
+++ b/drivers/isdn/gigaset/bas-gigaset.c
@@ -911,7 +911,7 @@ static int starturbs(struct bc_state *bcs)
 	int rc;
 
 	/* initialize L2 reception */
-	if (bcs->proto2 == ISDN_PROTO_L2_HDLC)
+	if (bcs->proto2 == L2_HDLC)
 		bcs->inputstate |= INS_flag_hunt;
 
 	/* submit all isochronous input URBs */
@@ -1064,7 +1064,7 @@ static int submit_iso_write_urb(struct isow_urbctx_t *ucx)
 					"%s: buffer busy at frame %d",
 					__func__, nframe);
 				/* tasklet will be restarted from
-				   gigaset_send_skb() */
+				   gigaset_isoc_send_skb() */
 			} else {
 				dev_err(ucx->bcs->cs->dev,
 					"%s: buffer error %d at frame %d\n",
diff --git a/drivers/isdn/gigaset/common.c b/drivers/isdn/gigaset/common.c
index 33dcd8d72b7..15dc0fc28a9 100644
--- a/drivers/isdn/gigaset/common.c
+++ b/drivers/isdn/gigaset/common.c
@@ -463,6 +463,12 @@ void gigaset_freecs(struct cardstate *cs)
 
 	switch (cs->cs_init) {
 	default:
+		/* clear B channel structures */
+		for (i = 0; i < cs->channels; ++i) {
+			gig_dbg(DEBUG_INIT, "clearing bcs[%d]", i);
+			gigaset_freebcs(cs->bcs + i);
+		}
+
 		/* clear device sysfs */
 		gigaset_free_dev_sysfs(cs);
 
@@ -477,22 +483,16 @@ void gigaset_freecs(struct cardstate *cs)
 	case 2: /* error in initcshw */
 		/* Deregister from LL */
 		make_invalid(cs, VALID_ID);
-		gig_dbg(DEBUG_INIT, "clearing iif");
-		gigaset_i4l_cmd(cs, ISDN_STAT_UNLOAD);
+		gigaset_isdn_unregister(cs);
 
 		/* fall through */
-	case 1: /* error when regestering to LL */
+	case 1: /* error when registering to LL */
 		gig_dbg(DEBUG_INIT, "clearing at_state");
 		clear_at_state(&cs->at_state);
 		dealloc_at_states(cs);
 
 		/* fall through */
-	case 0: /* error in one call to initbcs */
-		for (i = 0; i < cs->channels; ++i) {
-			gig_dbg(DEBUG_INIT, "clearing bcs[%d]", i);
-			gigaset_freebcs(cs->bcs + i);
-		}
-
+	case 0:	/* error in basic setup */
 		clear_events(cs);
 		gig_dbg(DEBUG_INIT, "freeing inbuf");
 		kfree(cs->inbuf);
@@ -620,11 +620,14 @@ static struct bc_state *gigaset_initbcs(struct bc_state *bcs,
 	if (cs->ignoreframes) {
 		bcs->inputstate |= INS_skip_frame;
 		bcs->skb = NULL;
-	} else if ((bcs->skb = dev_alloc_skb(SBUFSIZE + HW_HDR_LEN)) != NULL)
-		skb_reserve(bcs->skb, HW_HDR_LEN);
-	else {
-		pr_err("out of memory\n");
-		bcs->inputstate |= INS_skip_frame;
+	} else {
+		bcs->skb = dev_alloc_skb(SBUFSIZE + cs->hw_hdr_len);
+		if (bcs->skb != NULL)
+			skb_reserve(bcs->skb, cs->hw_hdr_len);
+		else {
+			pr_err("out of memory\n");
+			bcs->inputstate |= INS_skip_frame;
+		}
 	}
 
 	bcs->channel = channel;
@@ -726,14 +729,6 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels,
 	cs->mode = M_UNKNOWN;
 	cs->mstate = MS_UNINITIALIZED;
 
-	for (i = 0; i < channels; ++i) {
-		gig_dbg(DEBUG_INIT, "setting up bcs[%d].read", i);
-		if (!gigaset_initbcs(cs->bcs + i, cs, i)) {
-			pr_err("could not allocate channel %d data\n", i);
-			goto error;
-		}
-	}
-
 	++cs->cs_init;
 
 	gig_dbg(DEBUG_INIT, "setting up at_state");
@@ -758,7 +753,7 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels,
 	cs->cmdbytes = 0;
 
 	gig_dbg(DEBUG_INIT, "setting up iif");
-	if (!gigaset_register_to_LL(cs, modulename)) {
+	if (!gigaset_isdn_register(cs, modulename)) {
 		pr_err("error registering ISDN device\n");
 		goto error;
 	}
@@ -777,6 +772,15 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels,
 	/* set up device sysfs */
 	gigaset_init_dev_sysfs(cs);
 
+	/* set up channel data structures */
+	for (i = 0; i < channels; ++i) {
+		gig_dbg(DEBUG_INIT, "setting up bcs[%d]", i);
+		if (!gigaset_initbcs(cs->bcs + i, cs, i)) {
+			pr_err("could not allocate channel %d data\n", i);
+			goto error;
+		}
+	}
+
 	spin_lock_irqsave(&cs->lock, flags);
 	cs->running = 1;
 	spin_unlock_irqrestore(&cs->lock, flags);
diff --git a/drivers/isdn/gigaset/ev-layer.c b/drivers/isdn/gigaset/ev-layer.c
index cc768caa38f..cb25d2b834b 100644
--- a/drivers/isdn/gigaset/ev-layer.c
+++ b/drivers/isdn/gigaset/ev-layer.c
@@ -127,7 +127,6 @@
 #define ACT_NOTIFY_BC_UP	39
 #define ACT_DIAL		40
 #define ACT_ACCEPT		41
-#define ACT_PROTO_L2		42
 #define ACT_HUP			43
 #define ACT_IF_LOCK		44
 #define ACT_START		45
@@ -365,8 +364,6 @@ struct reply_t gigaset_tab_cid[] =
 	{EV_BC_CLOSED, -1, -1, -1,                 -1,-1, {ACT_NOTIFY_BC_DOWN}}, //FIXME
 
 	/* misc. */
-	{EV_PROTO_L2,  -1, -1, -1,                 -1,-1, {ACT_PROTO_L2}}, //FIXME
-
 	{RSP_ZCON,     -1, -1, -1,                 -1,-1, {ACT_DEBUG}}, //FIXME
 	{RSP_ZCCR,     -1, -1, -1,                 -1,-1, {ACT_DEBUG}}, //FIXME
 	{RSP_ZAOC,     -1, -1, -1,                 -1,-1, {ACT_DEBUG}}, //FIXME
@@ -714,7 +711,7 @@ static void disconnect(struct at_state_t **at_state_p)
 		/* notify LL */
 		if (bcs->chstate & (CHS_D_UP | CHS_NOTIFY_LL)) {
 			bcs->chstate &= ~(CHS_D_UP | CHS_NOTIFY_LL);
-			gigaset_i4l_channel_cmd(bcs, ISDN_STAT_DHUP);
+			gigaset_isdn_hupD(bcs);
 		}
 	} else {
 		/* no B channel assigned: just deallocate */
@@ -872,12 +869,12 @@ static void bchannel_down(struct bc_state *bcs)
 {
 	if (bcs->chstate & CHS_B_UP) {
 		bcs->chstate &= ~CHS_B_UP;
-		gigaset_i4l_channel_cmd(bcs, ISDN_STAT_BHUP);
+		gigaset_isdn_hupB(bcs);
 	}
 
 	if (bcs->chstate & (CHS_D_UP | CHS_NOTIFY_LL)) {
 		bcs->chstate &= ~(CHS_D_UP | CHS_NOTIFY_LL);
-		gigaset_i4l_channel_cmd(bcs, ISDN_STAT_DHUP);
+		gigaset_isdn_hupD(bcs);
 	}
 
 	gigaset_free_channel(bcs);
@@ -894,15 +891,16 @@ static void bchannel_up(struct bc_state *bcs)
 	}
 
 	bcs->chstate |= CHS_B_UP;
-	gigaset_i4l_channel_cmd(bcs, ISDN_STAT_BCONN);
+	gigaset_isdn_connB(bcs);
 }
 
 static void start_dial(struct at_state_t *at_state, void *data, unsigned seq_index)
 {
 	struct bc_state *bcs = at_state->bcs;
 	struct cardstate *cs = at_state->cs;
-	int retval;
+	char **commands = data;
 	unsigned long flags;
+	int i;
 
 	bcs->chstate |= CHS_NOTIFY_LL;
 
@@ -913,10 +911,10 @@ static void start_dial(struct at_state_t *at_state, void *data, unsigned seq_ind
 	}
 	spin_unlock_irqrestore(&cs->lock, flags);
 
-	retval = gigaset_isdn_setup_dial(at_state, data);
-	if (retval != 0)
-		goto error;
-
+	for (i = 0; i < AT_NUM; ++i) {
+		kfree(bcs->commands[i]);
+		bcs->commands[i] = commands[i];
+	}
 
 	at_state->pending_commands |= PC_CID;
 	gig_dbg(DEBUG_CMD, "Scheduling PC_CID");
@@ -924,6 +922,10 @@ static void start_dial(struct at_state_t *at_state, void *data, unsigned seq_ind
 	return;
 
 error:
+	for (i = 0; i < AT_NUM; ++i) {
+		kfree(commands[i]);
+		commands[i] = NULL;
+	}
 	at_state->pending_commands |= PC_NOCID;
 	gig_dbg(DEBUG_CMD, "Scheduling PC_NOCID");
 	cs->commands_pending = 1;
@@ -933,20 +935,31 @@ error:
 static void start_accept(struct at_state_t *at_state)
 {
 	struct cardstate *cs = at_state->cs;
-	int retval;
+	struct bc_state *bcs = at_state->bcs;
+	int i;
 
-	retval = gigaset_isdn_setup_accept(at_state);
+	for (i = 0; i < AT_NUM; ++i) {
+		kfree(bcs->commands[i]);
+		bcs->commands[i] = NULL;
+	}
 
-	if (retval == 0) {
-		at_state->pending_commands |= PC_ACCEPT;
-		gig_dbg(DEBUG_CMD, "Scheduling PC_ACCEPT");
-		cs->commands_pending = 1;
-	} else {
+	bcs->commands[AT_PROTO] = kmalloc(9, GFP_ATOMIC);
+	bcs->commands[AT_ISO] = kmalloc(9, GFP_ATOMIC);
+	if (!bcs->commands[AT_PROTO] || !bcs->commands[AT_ISO]) {
+		dev_err(at_state->cs->dev, "out of memory\n");
 		/* error reset */
 		at_state->pending_commands |= PC_HUP;
 		gig_dbg(DEBUG_CMD, "Scheduling PC_HUP");
 		cs->commands_pending = 1;
+		return;
 	}
+
+	snprintf(bcs->commands[AT_PROTO], 9, "^SBPR=%u\r", bcs->proto2);
+	snprintf(bcs->commands[AT_ISO], 9, "^SISO=%u\r", bcs->channel + 1);
+
+	at_state->pending_commands |= PC_ACCEPT;
+	gig_dbg(DEBUG_CMD, "Scheduling PC_ACCEPT");
+	cs->commands_pending = 1;
 }
 
 static void do_start(struct cardstate *cs)
@@ -957,7 +970,7 @@ static void do_start(struct cardstate *cs)
 		schedule_init(cs, MS_INIT);
 
 	cs->isdn_up = 1;
-	gigaset_i4l_cmd(cs, ISDN_STAT_RUN);
+	gigaset_isdn_start(cs);
 					// FIXME: not in locked mode
 					// FIXME 2: only after init sequence
 
@@ -975,7 +988,7 @@ static void finish_shutdown(struct cardstate *cs)
 	/* Tell the LL that the device is not available .. */
 	if (cs->isdn_up) {
 		cs->isdn_up = 0;
-		gigaset_i4l_cmd(cs, ISDN_STAT_STOP);
+		gigaset_isdn_stop(cs);
 	}
 
 	/* The rest is done by cleanup_cs () in user mode. */
@@ -1276,7 +1289,7 @@ static void do_action(int action, struct cardstate *cs,
 			break;
 		}
 		bcs->chstate |= CHS_D_UP;
-		gigaset_i4l_channel_cmd(bcs, ISDN_STAT_DCONN);
+		gigaset_isdn_connD(bcs);
 		cs->ops->init_bchannel(bcs);
 		break;
 	case ACT_DLE1:
@@ -1284,7 +1297,7 @@ static void do_action(int action, struct cardstate *cs,
 		bcs = cs->bcs + cs->curchannel;
 
 		bcs->chstate |= CHS_D_UP;
-		gigaset_i4l_channel_cmd(bcs, ISDN_STAT_DCONN);
+		gigaset_isdn_connD(bcs);
 		cs->ops->init_bchannel(bcs);
 		break;
 	case ACT_FAKEHUP:
@@ -1474,11 +1487,6 @@ static void do_action(int action, struct cardstate *cs,
 	case ACT_ACCEPT:
 		start_accept(at_state);
 		break;
-	case ACT_PROTO_L2:
-		gig_dbg(DEBUG_CMD, "set protocol to %u",
-			(unsigned) ev->parameter);
-		at_state->bcs->proto2 = ev->parameter;
-		break;
 	case ACT_HUP:
 		at_state->pending_commands |= PC_HUP;
 		cs->commands_pending = 1;
diff --git a/drivers/isdn/gigaset/gigaset.h b/drivers/isdn/gigaset/gigaset.h
index a2f6125739e..1185da2dbf6 100644
--- a/drivers/isdn/gigaset/gigaset.h
+++ b/drivers/isdn/gigaset/gigaset.h
@@ -23,7 +23,6 @@
 #include <linux/compiler.h>
 #include <linux/types.h>
 #include <linux/spinlock.h>
-#include <linux/isdnif.h>
 #include <linux/usb.h>
 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
@@ -40,7 +39,6 @@
 
 #define MAX_REC_PARAMS 10	/* Max. number of params in response string */
 #define MAX_RESP_SIZE 512	/* Max. size of a response string */
-#define HW_HDR_LEN 2		/* Header size used to store ack info */
 
 #define MAX_EVENTS 64		/* size of event queue */
 
@@ -216,7 +214,6 @@ void gigaset_dbg_buffer(enum debuglevel level, const unsigned char *msg,
 #define EV_START	-110
 #define EV_STOP		-111
 #define EV_IF_LOCK	-112
-#define EV_PROTO_L2	-113
 #define EV_ACCEPT	-114
 #define EV_DIAL		-115
 #define EV_HUP		-116
@@ -259,6 +256,11 @@ void gigaset_dbg_buffer(enum debuglevel level, const unsigned char *msg,
 #define SM_LOCKED	0
 #define SM_ISDN		1 /* default */
 
+/* layer 2 protocols (AT^SBPR=...) */
+#define L2_BITSYNC	0
+#define L2_HDLC		1
+#define L2_VOICE	2
+
 struct gigaset_ops;
 struct gigaset_driver;
 
@@ -395,7 +397,7 @@ struct bc_state {
 
 	unsigned chstate;		/* bitmap (CHS_*) */
 	int ignore;
-	unsigned proto2;		/* Layer 2 protocol (ISDN_PROTO_L2_*) */
+	unsigned proto2;		/* layer 2 protocol (L2_*) */
 	char *commands[AT_NUM];		/* see AT_XXXX */
 
 #ifdef CONFIG_GIGASET_DEBUG
@@ -456,12 +458,13 @@ struct cardstate {
 
 	unsigned running;		/* !=0 if events are handled */
 	unsigned connected;		/* !=0 if hardware is connected */
-	unsigned isdn_up;		/* !=0 after ISDN_STAT_RUN */
+	unsigned isdn_up;		/* !=0 after gigaset_isdn_start() */
 
 	unsigned cidmode;
 
 	int myid;			/* id for communication with LL */
-	isdn_if iif;
+	void *iif;			/* LL interface structure */
+	unsigned short hw_hdr_len;	/* headroom needed in data skbs */
 
 	struct reply_t *tabnocid;
 	struct reply_t *tabcid;
@@ -616,7 +619,9 @@ struct gigaset_ops {
 	int (*baud_rate)(struct cardstate *cs, unsigned cflag);
 	int (*set_line_ctrl)(struct cardstate *cs, unsigned cflag);
 
-	/* Called from i4l.c to put an skb into the send-queue. */
+	/* Called from LL interface to put an skb into the send-queue.
+	 * After sending is completed, gigaset_skb_sent() must be called
+	 * with the first cs->hw_hdr_len bytes of skb->head preserved. */
 	int (*send_skb)(struct bc_state *bcs, struct sk_buff *skb);
 
 	/* Called from ev-layer.c to process a block of data
@@ -638,8 +643,7 @@ struct gigaset_ops {
  *  Functions implemented in asyncdata.c
  */
 
-/* Called from i4l.c to put an skb into the send-queue.
- * After sending gigaset_skb_sent() should be called. */
+/* Called from LL interface to put an skb into the send queue. */
 int gigaset_m10x_send_skb(struct bc_state *bcs, struct sk_buff *skb);
 
 /* Called from ev-layer.c to process a block of data
@@ -650,8 +654,7 @@ void gigaset_m10x_input(struct inbuf_t *inbuf);
  *  Functions implemented in isocdata.c
  */
 
-/* Called from i4l.c to put an skb into the send-queue.
- * After sending gigaset_skb_sent() should be called. */
+/* Called from LL interface to put an skb into the send queue. */
 int gigaset_isoc_send_skb(struct bc_state *bcs, struct sk_buff *skb);
 
 /* Called from ev-layer.c to process a block of data
@@ -674,36 +677,26 @@ void gigaset_isowbuf_init(struct isowbuf_t *iwb, unsigned char idle);
 int gigaset_isowbuf_getbytes(struct isowbuf_t *iwb, int size);
 
 /* ===========================================================================
- *  Functions implemented in i4l.c/gigaset.h
+ *  Functions implemented in LL interface
  */
 
-/* Called by gigaset_initcs() for setting up with the isdn4linux subsystem */
-int gigaset_register_to_LL(struct cardstate *cs, const char *isdnid);
+/* Called from common.c for setting up/shutting down with the ISDN subsystem */
+int gigaset_isdn_register(struct cardstate *cs, const char *isdnid);
+void gigaset_isdn_unregister(struct cardstate *cs);
 
-/* Called from xxx-gigaset.c to indicate completion of sending an skb */
+/* Called from hardware module to indicate completion of an skb */
 void gigaset_skb_sent(struct bc_state *bcs, struct sk_buff *skb);
+void gigaset_skb_rcvd(struct bc_state *bcs, struct sk_buff *skb);
+void gigaset_isdn_rcv_err(struct bc_state *bcs);
 
 /* Called from common.c/ev-layer.c to indicate events relevant to the LL */
+void gigaset_isdn_start(struct cardstate *cs);
+void gigaset_isdn_stop(struct cardstate *cs);
 int gigaset_isdn_icall(struct at_state_t *at_state);
-int gigaset_isdn_setup_accept(struct at_state_t *at_state);
-int gigaset_isdn_setup_dial(struct at_state_t *at_state, void *data);
-
-void gigaset_i4l_cmd(struct cardstate *cs, int cmd);
-void gigaset_i4l_channel_cmd(struct bc_state *bcs, int cmd);
-
-
-static inline void gigaset_isdn_rcv_err(struct bc_state *bcs)
-{
-	isdn_ctrl response;
-
-	/* error -> LL */
-	gig_dbg(DEBUG_CMD, "sending L1ERR");
-	response.driver = bcs->cs->myid;
-	response.command = ISDN_STAT_L1ERR;
-	response.arg = bcs->channel;
-	response.parm.errcode = ISDN_STAT_L1ERR_RECV;
-	bcs->cs->iif.statcallb(&response);
-}
+void gigaset_isdn_connD(struct bc_state *bcs);
+void gigaset_isdn_hupD(struct bc_state *bcs);
+void gigaset_isdn_connB(struct bc_state *bcs);
+void gigaset_isdn_hupB(struct bc_state *bcs);
 
 /* ===========================================================================
  *  Functions implemented in ev-layer.c
@@ -816,35 +809,6 @@ static inline void gigaset_bchannel_up(struct bc_state *bcs)
 /* handling routines for sk_buff */
 /* ============================= */
 
-/* pass received skb to LL
- * Warning: skb must not be accessed anymore!
- */
-static inline void gigaset_rcv_skb(struct sk_buff *skb,
-				   struct cardstate *cs,
-				   struct bc_state *bcs)
-{
-	cs->iif.rcvcallb_skb(cs->myid, bcs->channel, skb);
-	bcs->trans_down++;
-}
-
-/* handle reception of corrupted skb
- * Warning: skb must not be accessed anymore!
- */
-static inline void gigaset_rcv_error(struct sk_buff *procskb,
-				     struct cardstate *cs,
-				     struct bc_state *bcs)
-{
-	if (procskb)
-		dev_kfree_skb(procskb);
-
-	if (bcs->ignore)
-		--bcs->ignore;
-	else {
-		++bcs->corrupted;
-		gigaset_isdn_rcv_err(bcs);
-	}
-}
-
 /* append received bytes to inbuf */
 int gigaset_fill_inbuf(struct inbuf_t *inbuf, const unsigned char *src,
 		       unsigned numbytes);
diff --git a/drivers/isdn/gigaset/i4l.c b/drivers/isdn/gigaset/i4l.c
index 654489d836c..aca72a06184 100644
--- a/drivers/isdn/gigaset/i4l.c
+++ b/drivers/isdn/gigaset/i4l.c
@@ -14,6 +14,9 @@
  */
 
 #include "gigaset.h"
+#include <linux/isdnif.h>
+
+#define HW_HDR_LEN	2	/* Header size used to store ack info */
 
 /* == Handling of I4L IO =====================================================*/
 
@@ -95,6 +98,7 @@ static int writebuf_from_LL(int driverID, int channel, int ack,
  */
 void gigaset_skb_sent(struct bc_state *bcs, struct sk_buff *skb)
 {
+	isdn_if *iif = bcs->cs->iif;
 	unsigned len;
 	isdn_ctrl response;
 
@@ -114,71 +118,177 @@ void gigaset_skb_sent(struct bc_state *bcs, struct sk_buff *skb)
 		response.command = ISDN_STAT_BSENT;
 		response.arg = bcs->channel;
 		response.parm.length = len;
-		bcs->cs->iif.statcallb(&response);
+		iif->statcallb(&response);
 	}
 }
 EXPORT_SYMBOL_GPL(gigaset_skb_sent);
 
+/**
+ * gigaset_skb_rcvd() - pass received skb to LL
+ * @bcs:	B channel descriptor structure.
+ * @skb:	received data.
+ *
+ * Called by hardware module {bas,ser,usb}_gigaset when user data has
+ * been successfully received, for passing to the LL.
+ * Warning: skb must not be accessed anymore!
+ */
+void gigaset_skb_rcvd(struct bc_state *bcs, struct sk_buff *skb)
+{
+	isdn_if *iif = bcs->cs->iif;
+
+	iif->rcvcallb_skb(bcs->cs->myid, bcs->channel, skb);
+	bcs->trans_down++;
+}
+EXPORT_SYMBOL_GPL(gigaset_skb_rcvd);
+
+/**
+ * gigaset_isdn_rcv_err() - signal receive error
+ * @bcs:	B channel descriptor structure.
+ *
+ * Called by hardware module {bas,ser,usb}_gigaset when a receive error
+ * has occurred, for signalling to the LL.
+ */
+void gigaset_isdn_rcv_err(struct bc_state *bcs)
+{
+	isdn_if *iif = bcs->cs->iif;
+	isdn_ctrl response;
+
+	/* if currently ignoring packets, just count down */
+	if (bcs->ignore) {
+		bcs->ignore--;
+		return;
+	}
+
+	/* update statistics */
+	bcs->corrupted++;
+
+	/* error -> LL */
+	gig_dbg(DEBUG_CMD, "sending L1ERR");
+	response.driver = bcs->cs->myid;
+	response.command = ISDN_STAT_L1ERR;
+	response.arg = bcs->channel;
+	response.parm.errcode = ISDN_STAT_L1ERR_RECV;
+	iif->statcallb(&response);
+}
+EXPORT_SYMBOL_GPL(gigaset_isdn_rcv_err);
+
 /* This function will be called by LL to send commands
  * NOTE: LL ignores the returned value, for commands other than ISDN_CMD_IOCTL,
  * so don't put too much effort into it.
  */
 static int command_from_LL(isdn_ctrl *cntrl)
 {
-	struct cardstate *cs = gigaset_get_cs_by_id(cntrl->driver);
+	struct cardstate *cs;
 	struct bc_state *bcs;
 	int retval = 0;
-	struct setup_parm *sp;
+	char **commands;
+	int ch;
+	int i;
+	size_t l;
 
 	gigaset_debugdrivers();
 
-	if (!cs) {
+	gig_dbg(DEBUG_CMD, "driver: %d, command: %d, arg: 0x%lx",
+		cntrl->driver, cntrl->command, cntrl->arg);
+
+	cs = gigaset_get_cs_by_id(cntrl->driver);
+	if (cs == NULL) {
 		pr_err("%s: invalid driver ID (%d)\n", __func__, cntrl->driver);
 		return -ENODEV;
 	}
+	ch = cntrl->arg & 0xff;
 
 	switch (cntrl->command) {
 	case ISDN_CMD_IOCTL:
-		gig_dbg(DEBUG_ANY, "ISDN_CMD_IOCTL (driver: %d, arg: %ld)",
-			cntrl->driver, cntrl->arg);
-
 		dev_warn(cs->dev, "ISDN_CMD_IOCTL not supported\n");
 		return -EINVAL;
 
 	case ISDN_CMD_DIAL:
 		gig_dbg(DEBUG_ANY,
-			"ISDN_CMD_DIAL (driver: %d, ch: %ld, "
-			"phone: %s, ownmsn: %s, si1: %d, si2: %d)",
-			cntrl->driver, cntrl->arg,
+			"ISDN_CMD_DIAL (phone: %s, msn: %s, si1: %d, si2: %d)",
 			cntrl->parm.setup.phone, cntrl->parm.setup.eazmsn,
 			cntrl->parm.setup.si1, cntrl->parm.setup.si2);
 
-		if (cntrl->arg >= cs->channels) {
+		if (ch >= cs->channels) {
 			dev_err(cs->dev,
-				"ISDN_CMD_DIAL: invalid channel (%d)\n",
-				(int) cntrl->arg);
+				"ISDN_CMD_DIAL: invalid channel (%d)\n", ch);
 			return -EINVAL;
 		}
-
-		bcs = cs->bcs + cntrl->arg;
-
+		bcs = cs->bcs + ch;
 		if (!gigaset_get_channel(bcs)) {
 			dev_err(cs->dev, "ISDN_CMD_DIAL: channel not free\n");
 			return -EBUSY;
 		}
 
-		sp = kmalloc(sizeof *sp, GFP_ATOMIC);
-		if (!sp) {
+		commands = kzalloc(AT_NUM*(sizeof *commands), GFP_ATOMIC);
+		if (!commands) {
 			gigaset_free_channel(bcs);
 			dev_err(cs->dev, "ISDN_CMD_DIAL: out of memory\n");
 			return -ENOMEM;
 		}
-		*sp = cntrl->parm.setup;
 
-		if (!gigaset_add_event(cs, &bcs->at_state, EV_DIAL, sp,
+		l = 3 + strlen(cntrl->parm.setup.phone);
+		commands[AT_DIAL] = kmalloc(l, GFP_ATOMIC);
+		if (!commands[AT_DIAL])
+			goto oom;
+		if (cntrl->parm.setup.phone[0] == '*' &&
+		    cntrl->parm.setup.phone[1] == '*') {
+			/* internal call: translate ** prefix to CTP value */
+			commands[AT_TYPE] = kstrdup("^SCTP=0\r", GFP_ATOMIC);
+			if (!commands[AT_TYPE])
+				goto oom;
+			snprintf(commands[AT_DIAL], l,
+				 "D%s\r", cntrl->parm.setup.phone+2);
+		} else {
+			commands[AT_TYPE] = kstrdup("^SCTP=1\r", GFP_ATOMIC);
+			if (!commands[AT_TYPE])
+				goto oom;
+			snprintf(commands[AT_DIAL], l,
+				 "D%s\r", cntrl->parm.setup.phone);
+		}
+
+		l = strlen(cntrl->parm.setup.eazmsn);
+		if (l) {
+			l += 8;
+			commands[AT_MSN] = kmalloc(l, GFP_ATOMIC);
+			if (!commands[AT_MSN])
+				goto oom;
+			snprintf(commands[AT_MSN], l, "^SMSN=%s\r",
+				 cntrl->parm.setup.eazmsn);
+		}
+
+		switch (cntrl->parm.setup.si1) {
+		case 1:		/* audio */
+			/* BC = 9090A3: 3.1 kHz audio, A-law */
+			commands[AT_BC] = kstrdup("^SBC=9090A3\r", GFP_ATOMIC);
+			if (!commands[AT_BC])
+				goto oom;
+			break;
+		case 7:		/* data */
+		default:	/* hope the app knows what it is doing */
+			/* BC = 8890: unrestricted digital information */
+			commands[AT_BC] = kstrdup("^SBC=8890\r", GFP_ATOMIC);
+			if (!commands[AT_BC])
+				goto oom;
+		}
+		/* ToDo: other si1 values, inspect si2, set HLC/LLC */
+
+		commands[AT_PROTO] = kmalloc(9, GFP_ATOMIC);
+		if (!commands[AT_PROTO])
+			goto oom;
+		snprintf(commands[AT_PROTO], 9, "^SBPR=%u\r", bcs->proto2);
+
+		commands[AT_ISO] = kmalloc(9, GFP_ATOMIC);
+		if (!commands[AT_ISO])
+			goto oom;
+		snprintf(commands[AT_ISO], 9, "^SISO=%u\r",
+			 (unsigned) bcs->channel + 1);
+
+		if (!gigaset_add_event(cs, &bcs->at_state, EV_DIAL, commands,
 				       bcs->at_state.seq_index, NULL)) {
-			//FIXME what should we do?
-			kfree(sp);
+			for (i = 0; i < AT_NUM; ++i)
+				kfree(commands[i]);
+			kfree(commands);
 			gigaset_free_channel(bcs);
 			return -ENOMEM;
 		}
@@ -186,93 +296,83 @@ static int command_from_LL(isdn_ctrl *cntrl)
 		gig_dbg(DEBUG_CMD, "scheduling DIAL");
 		gigaset_schedule_event(cs);
 		break;
-	case ISDN_CMD_ACCEPTD: //FIXME
-		gig_dbg(DEBUG_ANY, "ISDN_CMD_ACCEPTD");
-
-		if (cntrl->arg >= cs->channels) {
+	case ISDN_CMD_ACCEPTD:
+		if (ch >= cs->channels) {
 			dev_err(cs->dev,
-				"ISDN_CMD_ACCEPTD: invalid channel (%d)\n",
-				(int) cntrl->arg);
+				"ISDN_CMD_ACCEPTD: invalid channel (%d)\n", ch);
 			return -EINVAL;
 		}
-
-		if (!gigaset_add_event(cs, &cs->bcs[cntrl->arg].at_state,
-				       EV_ACCEPT, NULL, 0, NULL)) {
-			//FIXME what should we do?
+		bcs = cs->bcs + ch;
+		if (!gigaset_add_event(cs, &bcs->at_state,
+				       EV_ACCEPT, NULL, 0, NULL))
 			return -ENOMEM;
-		}
 
 		gig_dbg(DEBUG_CMD, "scheduling ACCEPT");
 		gigaset_schedule_event(cs);
 
 		break;
 	case ISDN_CMD_ACCEPTB:
-		gig_dbg(DEBUG_ANY, "ISDN_CMD_ACCEPTB");
 		break;
 	case ISDN_CMD_HANGUP:
-		gig_dbg(DEBUG_ANY, "ISDN_CMD_HANGUP (ch: %d)",
-			(int) cntrl->arg);
-
-		if (cntrl->arg >= cs->channels) {
+		if (ch >= cs->channels) {
 			dev_err(cs->dev,
-				"ISDN_CMD_HANGUP: invalid channel (%d)\n",
-				(int) cntrl->arg);
+				"ISDN_CMD_HANGUP: invalid channel (%d)\n", ch);
 			return -EINVAL;
 		}
-
-		if (!gigaset_add_event(cs, &cs->bcs[cntrl->arg].at_state,
-				       EV_HUP, NULL, 0, NULL)) {
-			//FIXME what should we do?
+		bcs = cs->bcs + ch;
+		if (!gigaset_add_event(cs, &bcs->at_state,
+				       EV_HUP, NULL, 0, NULL))
 			return -ENOMEM;
-		}
 
 		gig_dbg(DEBUG_CMD, "scheduling HUP");
 		gigaset_schedule_event(cs);
 
 		break;
-	case ISDN_CMD_CLREAZ: /* Do not signal incoming signals */ //FIXME
-		gig_dbg(DEBUG_ANY, "ISDN_CMD_CLREAZ");
+	case ISDN_CMD_CLREAZ: /* Do not signal incoming signals */
+		dev_info(cs->dev, "ignoring ISDN_CMD_CLREAZ\n");
 		break;
-	case ISDN_CMD_SETEAZ: /* Signal incoming calls for given MSN */ //FIXME
-		gig_dbg(DEBUG_ANY,
-			"ISDN_CMD_SETEAZ (id: %d, ch: %ld, number: %s)",
-			cntrl->driver, cntrl->arg, cntrl->parm.num);
+	case ISDN_CMD_SETEAZ: /* Signal incoming calls for given MSN */
+		dev_info(cs->dev, "ignoring ISDN_CMD_SETEAZ (%s)\n",
+			 cntrl->parm.num);
 		break;
 	case ISDN_CMD_SETL2: /* Set L2 to given protocol */
-		gig_dbg(DEBUG_ANY, "ISDN_CMD_SETL2 (ch: %ld, proto: %lx)",
-			cntrl->arg & 0xff, (cntrl->arg >> 8));
-
-		if ((cntrl->arg & 0xff) >= cs->channels) {
+		if (ch >= cs->channels) {
 			dev_err(cs->dev,
-				"ISDN_CMD_SETL2: invalid channel (%d)\n",
-				(int) cntrl->arg & 0xff);
+				"ISDN_CMD_SETL2: invalid channel (%d)\n", ch);
 			return -EINVAL;
 		}
-
-		if (!gigaset_add_event(cs, &cs->bcs[cntrl->arg & 0xff].at_state,
-				       EV_PROTO_L2, NULL, cntrl->arg >> 8,
-				       NULL)) {
-			//FIXME what should we do?
-			return -ENOMEM;
+		bcs = cs->bcs + ch;
+		if (bcs->chstate & CHS_D_UP) {
+			dev_err(cs->dev,
+				"ISDN_CMD_SETL2: channel active (%d)\n", ch);
+			return -EINVAL;
+		}
+		switch (cntrl->arg >> 8) {
+		case ISDN_PROTO_L2_HDLC:
+			gig_dbg(DEBUG_CMD, "ISDN_CMD_SETL2: setting L2_HDLC");
+			bcs->proto2 = L2_HDLC;
+			break;
+		case ISDN_PROTO_L2_TRANS:
+			gig_dbg(DEBUG_CMD, "ISDN_CMD_SETL2: setting L2_VOICE");
+			bcs->proto2 = L2_VOICE;
+			break;
+		default:
+			dev_err(cs->dev,
+				"ISDN_CMD_SETL2: unsupported protocol (%lu)\n",
+				cntrl->arg >> 8);
+			return -EINVAL;
 		}
-
-		gig_dbg(DEBUG_CMD, "scheduling PROTO_L2");
-		gigaset_schedule_event(cs);
 		break;
 	case ISDN_CMD_SETL3: /* Set L3 to given protocol */
-		gig_dbg(DEBUG_ANY, "ISDN_CMD_SETL3 (ch: %ld, proto: %lx)",
-			cntrl->arg & 0xff, (cntrl->arg >> 8));
-
-		if ((cntrl->arg & 0xff) >= cs->channels) {
+		if (ch >= cs->channels) {
 			dev_err(cs->dev,
-				"ISDN_CMD_SETL3: invalid channel (%d)\n",
-				(int) cntrl->arg & 0xff);
+				"ISDN_CMD_SETL3: invalid channel (%d)\n", ch);
 			return -EINVAL;
 		}
 
 		if (cntrl->arg >> 8 != ISDN_PROTO_L3_TRANS) {
 			dev_err(cs->dev,
-				"ISDN_CMD_SETL3: invalid protocol %lu\n",
+				"ISDN_CMD_SETL3: unsupported protocol (%lu)\n",
 				cntrl->arg >> 8);
 			return -EINVAL;
 		}
@@ -324,149 +424,34 @@ static int command_from_LL(isdn_ctrl *cntrl)
 	}
 
 	return retval;
+
+oom:
+	dev_err(bcs->cs->dev, "out of memory\n");
+	for (i = 0; i < AT_NUM; ++i)
+		kfree(commands[i]);
+	return -ENOMEM;
 }
 
-void gigaset_i4l_cmd(struct cardstate *cs, int cmd)
+static void gigaset_i4l_cmd(struct cardstate *cs, int cmd)
 {
+	isdn_if *iif = cs->iif;
 	isdn_ctrl command;
 
 	command.driver = cs->myid;
 	command.command = cmd;
 	command.arg = 0;
-	cs->iif.statcallb(&command);
+	iif->statcallb(&command);
 }
 
-void gigaset_i4l_channel_cmd(struct bc_state *bcs, int cmd)
+static void gigaset_i4l_channel_cmd(struct bc_state *bcs, int cmd)
 {
+	isdn_if *iif = bcs->cs->iif;
 	isdn_ctrl command;
 
 	command.driver = bcs->cs->myid;
 	command.command = cmd;
 	command.arg = bcs->channel;
-	bcs->cs->iif.statcallb(&command);
-}
-
-int gigaset_isdn_setup_dial(struct at_state_t *at_state, void *data)
-{
-	struct bc_state *bcs = at_state->bcs;
-	unsigned proto;
-	const char *bc;
-	size_t length[AT_NUM];
-	size_t l;
-	int i;
-	struct setup_parm *sp = data;
-
-	switch (bcs->proto2) {
-	case ISDN_PROTO_L2_HDLC:
-		proto = 1; /* 0: Bitsynchron, 1: HDLC, 2: voice */
-		break;
-	case ISDN_PROTO_L2_TRANS:
-		proto = 2; /* 0: Bitsynchron, 1: HDLC, 2: voice */
-		break;
-	default:
-		dev_err(bcs->cs->dev, "%s: invalid L2 protocol: %u\n",
-			__func__, bcs->proto2);
-		return -EINVAL;
-	}
-
-	switch (sp->si1) {
-	case 1:		/* audio */
-		bc = "9090A3";	/* 3.1 kHz audio, A-law */
-		break;
-	case 7:		/* data */
-	default:	/* hope the app knows what it is doing */
-		bc = "8890";	/* unrestricted digital information */
-	}
-	//FIXME add missing si1 values from 1TR6, inspect si2, set HLC/LLC
-
-	length[AT_DIAL ] = 1 + strlen(sp->phone) + 1 + 1;
-	l = strlen(sp->eazmsn);
-	length[AT_MSN  ] = l ? 6 + l + 1 + 1 : 0;
-	length[AT_BC   ] = 5 + strlen(bc) + 1 + 1;
-	length[AT_PROTO] = 6 + 1 + 1 + 1; /* proto: 1 character */
-	length[AT_ISO  ] = 6 + 1 + 1 + 1; /* channel: 1 character */
-	length[AT_TYPE ] = 6 + 1 + 1 + 1; /* call type: 1 character */
-	length[AT_HLC  ] = 0;
-
-	for (i = 0; i < AT_NUM; ++i) {
-		kfree(bcs->commands[i]);
-		bcs->commands[i] = NULL;
-		if (length[i] &&
-		    !(bcs->commands[i] = kmalloc(length[i], GFP_ATOMIC))) {
-			dev_err(bcs->cs->dev, "out of memory\n");
-			return -ENOMEM;
-		}
-	}
-
-	/* type = 1: extern, 0: intern, 2: recall, 3: door, 4: centrex */
-	if (sp->phone[0] == '*' && sp->phone[1] == '*') {
-		/* internal call: translate ** prefix to CTP value */
-		snprintf(bcs->commands[AT_DIAL], length[AT_DIAL],
-			 "D%s\r", sp->phone+2);
-		strncpy(bcs->commands[AT_TYPE], "^SCTP=0\r", length[AT_TYPE]);
-	} else {
-		snprintf(bcs->commands[AT_DIAL], length[AT_DIAL],
-			 "D%s\r", sp->phone);
-		strncpy(bcs->commands[AT_TYPE], "^SCTP=1\r", length[AT_TYPE]);
-	}
-
-	if (bcs->commands[AT_MSN])
-		snprintf(bcs->commands[AT_MSN], length[AT_MSN],
-			 "^SMSN=%s\r", sp->eazmsn);
-	snprintf(bcs->commands[AT_BC   ], length[AT_BC   ],
-		 "^SBC=%s\r", bc);
-	snprintf(bcs->commands[AT_PROTO], length[AT_PROTO],
-		 "^SBPR=%u\r", proto);
-	snprintf(bcs->commands[AT_ISO  ], length[AT_ISO  ],
-		 "^SISO=%u\r", (unsigned)bcs->channel + 1);
-
-	return 0;
-}
-
-int gigaset_isdn_setup_accept(struct at_state_t *at_state)
-{
-	unsigned proto;
-	size_t length[AT_NUM];
-	int i;
-	struct bc_state *bcs = at_state->bcs;
-
-	switch (bcs->proto2) {
-	case ISDN_PROTO_L2_HDLC:
-		proto = 1; /* 0: Bitsynchron, 1: HDLC, 2: voice */
-		break;
-	case ISDN_PROTO_L2_TRANS:
-		proto = 2; /* 0: Bitsynchron, 1: HDLC, 2: voice */
-		break;
-	default:
-		dev_err(at_state->cs->dev, "%s: invalid protocol: %u\n",
-			__func__, bcs->proto2);
-		return -EINVAL;
-	}
-
-	length[AT_DIAL ] = 0;
-	length[AT_MSN  ] = 0;
-	length[AT_BC   ] = 0;
-	length[AT_PROTO] = 6 + 1 + 1 + 1; /* proto: 1 character */
-	length[AT_ISO  ] = 6 + 1 + 1 + 1; /* channel: 1 character */
-	length[AT_TYPE ] = 0;
-	length[AT_HLC  ] = 0;
-
-	for (i = 0; i < AT_NUM; ++i) {
-		kfree(bcs->commands[i]);
-		bcs->commands[i] = NULL;
-		if (length[i] &&
-		    !(bcs->commands[i] = kmalloc(length[i], GFP_ATOMIC))) {
-			dev_err(at_state->cs->dev, "out of memory\n");
-			return -ENOMEM;
-		}
-	}
-
-	snprintf(bcs->commands[AT_PROTO], length[AT_PROTO],
-		 "^SBPR=%u\r", proto);
-	snprintf(bcs->commands[AT_ISO  ], length[AT_ISO  ],
-		 "^SISO=%u\r", (unsigned) bcs->channel + 1);
-
-	return 0;
+	iif->statcallb(&command);
 }
 
 /**
@@ -482,6 +467,7 @@ int gigaset_isdn_icall(struct at_state_t *at_state)
 {
 	struct cardstate *cs = at_state->cs;
 	struct bc_state *bcs = at_state->bcs;
+	isdn_if *iif = cs->iif;
 	isdn_ctrl response;
 	int retval;
 
@@ -531,7 +517,7 @@ int gigaset_isdn_icall(struct at_state_t *at_state)
 		response.arg = bcs->channel; //FIXME
 	}
 	response.driver = cs->myid;
-	retval = cs->iif.statcallb(&response);
+	retval = iif->statcallb(&response);
 	gig_dbg(DEBUG_CMD, "Response: %d", retval);
 	switch (retval) {
 	case 0:	/* no takers */
@@ -560,16 +546,109 @@ int gigaset_isdn_icall(struct at_state_t *at_state)
 	}
 }
 
-/* Set Callback function pointer */
-int gigaset_register_to_LL(struct cardstate *cs, const char *isdnid)
+/**
+ * gigaset_isdn_connD() - signal D channel connect
+ * @bcs:	B channel descriptor structure.
+ *
+ * Called by main module to notify the LL that the D channel connection has
+ * been established.
+ */
+void gigaset_isdn_connD(struct bc_state *bcs)
 {
-	isdn_if *iif = &cs->iif;
+	gig_dbg(DEBUG_CMD, "sending DCONN");
+	gigaset_i4l_channel_cmd(bcs, ISDN_STAT_DCONN);
+}
 
-	gig_dbg(DEBUG_ANY, "Register driver capabilities to LL");
+/**
+ * gigaset_isdn_hupD() - signal D channel hangup
+ * @bcs:	B channel descriptor structure.
+ *
+ * Called by main module to notify the LL that the D channel connection has
+ * been shut down.
+ */
+void gigaset_isdn_hupD(struct bc_state *bcs)
+{
+	gig_dbg(DEBUG_CMD, "sending DHUP");
+	gigaset_i4l_channel_cmd(bcs, ISDN_STAT_DHUP);
+}
+
+/**
+ * gigaset_isdn_connB() - signal B channel connect
+ * @bcs:	B channel descriptor structure.
+ *
+ * Called by main module to notify the LL that the B channel connection has
+ * been established.
+ */
+void gigaset_isdn_connB(struct bc_state *bcs)
+{
+	gig_dbg(DEBUG_CMD, "sending BCONN");
+	gigaset_i4l_channel_cmd(bcs, ISDN_STAT_BCONN);
+}
+
+/**
+ * gigaset_isdn_hupB() - signal B channel hangup
+ * @bcs:	B channel descriptor structure.
+ *
+ * Called by main module to notify the LL that the B channel connection has
+ * been shut down.
+ */
+void gigaset_isdn_hupB(struct bc_state *bcs)
+{
+	gig_dbg(DEBUG_CMD, "sending BHUP");
+	gigaset_i4l_channel_cmd(bcs, ISDN_STAT_BHUP);
+}
+
+/**
+ * gigaset_isdn_start() - signal device availability
+ * @cs:		device descriptor structure.
+ *
+ * Called by main module to notify the LL that the device is available for
+ * use.
+ */
+void gigaset_isdn_start(struct cardstate *cs)
+{
+	gig_dbg(DEBUG_CMD, "sending RUN");
+	gigaset_i4l_cmd(cs, ISDN_STAT_RUN);
+}
+
+/**
+ * gigaset_isdn_stop() - signal device unavailability
+ * @cs:		device descriptor structure.
+ *
+ * Called by main module to notify the LL that the device is no longer
+ * available for use.
+ */
+void gigaset_isdn_stop(struct cardstate *cs)
+{
+	gig_dbg(DEBUG_CMD, "sending STOP");
+	gigaset_i4l_cmd(cs, ISDN_STAT_STOP);
+}
+
+/**
+ * gigaset_isdn_register() - register to LL
+ * @cs:		device descriptor structure.
+ * @isdnid:	device name.
+ *
+ * Called by main module to register the device with the LL.
+ *
+ * Return value: 1 for success, 0 for failure
+ */
+int gigaset_isdn_register(struct cardstate *cs, const char *isdnid)
+{
+	isdn_if *iif;
+
+	pr_info("ISDN4Linux interface\n");
+
+	iif = kmalloc(sizeof *iif, GFP_KERNEL);
+	if (!iif) {
+		pr_err("out of memory\n");
+		return 0;
+	}
 
 	if (snprintf(iif->id, sizeof iif->id, "%s_%u", isdnid, cs->minor_index)
 	    >= sizeof iif->id) {
 		pr_err("ID too long: %s\n", isdnid);
+		kfree(iif);
 		return 0;
 	}
 
@@ -593,9 +672,26 @@ int gigaset_register_to_LL(struct cardstate *cs, const char *isdnid)
 
 	if (!register_isdn(iif)) {
 		pr_err("register_isdn failed\n");
+		kfree(iif);
 		return 0;
 	}
 
+	cs->iif = iif;
 	cs->myid = iif->channels;		/* Set my device id */
+	cs->hw_hdr_len = HW_HDR_LEN;
 	return 1;
 }
+
+/**
+ * gigaset_isdn_unregister() - unregister from LL
+ * @cs:		device descriptor structure.
+ *
+ * Called by main module to unregister the device from the LL.
+ */
+void gigaset_isdn_unregister(struct cardstate *cs)
+{
+	gig_dbg(DEBUG_CMD, "sending UNLOAD");
+	gigaset_i4l_cmd(cs, ISDN_STAT_UNLOAD);
+	kfree(cs->iif);
+	cs->iif = NULL;
+}
diff --git a/drivers/isdn/gigaset/isocdata.c b/drivers/isdn/gigaset/isocdata.c
index 9f3ef7b4248..7dabfd35874 100644
--- a/drivers/isdn/gigaset/isocdata.c
+++ b/drivers/isdn/gigaset/isocdata.c
@@ -500,7 +500,7 @@ int gigaset_isoc_buildframe(struct bc_state *bcs, unsigned char *in, int len)
 	int result;
 
 	switch (bcs->proto2) {
-	case ISDN_PROTO_L2_HDLC:
+	case L2_HDLC:
 		result = hdlc_buildframe(bcs->hw.bas->isooutbuf, in, len);
 		gig_dbg(DEBUG_ISO, "%s: %d bytes HDLC -> %d",
 			__func__, len, result);
@@ -542,8 +542,9 @@ static inline void hdlc_flush(struct bc_state *bcs)
 	if (likely(bcs->skb != NULL))
 		skb_trim(bcs->skb, 0);
 	else if (!bcs->ignore) {
-		if ((bcs->skb = dev_alloc_skb(SBUFSIZE + HW_HDR_LEN)) != NULL)
-			skb_reserve(bcs->skb, HW_HDR_LEN);
+		bcs->skb = dev_alloc_skb(SBUFSIZE + bcs->cs->hw_hdr_len);
+		if (bcs->skb)
+			skb_reserve(bcs->skb, bcs->cs->hw_hdr_len);
 		else
 			dev_err(bcs->cs->dev, "could not allocate skb\n");
 	}
@@ -557,7 +558,9 @@ static inline void hdlc_flush(struct bc_state *bcs)
  */
 static inline void hdlc_done(struct bc_state *bcs)
 {
+	struct cardstate *cs = bcs->cs;
 	struct sk_buff *procskb;
+	unsigned int len;
 
 	if (unlikely(bcs->ignore)) {
 		bcs->ignore--;
@@ -568,32 +571,33 @@ static inline void hdlc_done(struct bc_state *bcs)
 	if ((procskb = bcs->skb) == NULL) {
 		/* previous error */
 		gig_dbg(DEBUG_ISO, "%s: skb=NULL", __func__);
-		gigaset_rcv_error(NULL, bcs->cs, bcs);
+		gigaset_isdn_rcv_err(bcs);
 	} else if (procskb->len < 2) {
-		dev_notice(bcs->cs->dev, "received short frame (%d octets)\n",
+		dev_notice(cs->dev, "received short frame (%d octets)\n",
 			   procskb->len);
 		bcs->hw.bas->runts++;
-		gigaset_rcv_error(procskb, bcs->cs, bcs);
+		dev_kfree_skb(procskb);
+		gigaset_isdn_rcv_err(bcs);
 	} else if (bcs->fcs != PPP_GOODFCS) {
-		dev_notice(bcs->cs->dev, "frame check error (0x%04x)\n",
-			   bcs->fcs);
+		dev_notice(cs->dev, "frame check error (0x%04x)\n", bcs->fcs);
 		bcs->hw.bas->fcserrs++;
-		gigaset_rcv_error(procskb, bcs->cs, bcs);
+		dev_kfree_skb(procskb);
+		gigaset_isdn_rcv_err(bcs);
 	} else {
-		procskb->len -= 2;		/* subtract FCS */
-		procskb->tail -= 2;
-		gig_dbg(DEBUG_ISO, "%s: good frame (%d octets)",
-			__func__, procskb->len);
+		len = procskb->len;
+		__skb_trim(procskb, len -= 2);	/* subtract FCS */
+		gig_dbg(DEBUG_ISO, "%s: good frame (%d octets)", __func__, len);
 		dump_bytes(DEBUG_STREAM_DUMP,
-			   "rcv data", procskb->data, procskb->len);
-		bcs->hw.bas->goodbytes += procskb->len;
-		gigaset_rcv_skb(procskb, bcs->cs, bcs);
+			   "rcv data", procskb->data, len);
+		bcs->hw.bas->goodbytes += len;
+		gigaset_skb_rcvd(bcs, procskb);
 	}
 
-	if ((bcs->skb = dev_alloc_skb(SBUFSIZE + HW_HDR_LEN)) != NULL)
-		skb_reserve(bcs->skb, HW_HDR_LEN);
+	bcs->skb = dev_alloc_skb(SBUFSIZE + cs->hw_hdr_len);
+	if (bcs->skb)
+		skb_reserve(bcs->skb, cs->hw_hdr_len);
 	else
-		dev_err(bcs->cs->dev, "could not allocate skb\n");
+		dev_err(cs->dev, "could not allocate skb\n");
 	bcs->fcs = PPP_INITFCS;
 }
 
@@ -610,12 +614,8 @@ static inline void hdlc_frag(struct bc_state *bcs, unsigned inbits)
 
 	dev_notice(bcs->cs->dev, "received partial byte (%d bits)\n", inbits);
 	bcs->hw.bas->alignerrs++;
-	gigaset_rcv_error(bcs->skb, bcs->cs, bcs);
-
-	if ((bcs->skb = dev_alloc_skb(SBUFSIZE + HW_HDR_LEN)) != NULL)
-		skb_reserve(bcs->skb, HW_HDR_LEN);
-	else
-		dev_err(bcs->cs->dev, "could not allocate skb\n");
+	gigaset_isdn_rcv_err(bcs);
+	__skb_trim(bcs->skb, 0);
 	bcs->fcs = PPP_INITFCS;
 }
 
@@ -648,8 +648,8 @@ static const unsigned char bitcounts[256] = {
 /* hdlc_unpack
  * perform HDLC frame processing (bit unstuffing, flag detection, FCS calculation)
  * on a sequence of received data bytes (8 bits each, LSB first)
- * pass on successfully received, complete frames as SKBs via gigaset_rcv_skb
- * notify of errors via gigaset_rcv_error
+ * pass on successfully received, complete frames as SKBs via gigaset_skb_rcvd
+ * notify of errors via gigaset_isdn_rcv_err
  * tally frames, errors etc. in BC structure counters
  * parameters:
  *	src	received data
@@ -841,7 +841,7 @@ static inline void hdlc_unpack(unsigned char *src, unsigned count,
 }
 
 /* trans_receive
- * pass on received USB frame transparently as SKB via gigaset_rcv_skb
+ * pass on received USB frame transparently as SKB via gigaset_skb_rcvd
  * invert bytes
  * tally frames, errors etc. in BC structure counters
  * parameters:
@@ -852,6 +852,7 @@ static inline void hdlc_unpack(unsigned char *src, unsigned count,
 static inline void trans_receive(unsigned char *src, unsigned count,
 				 struct bc_state *bcs)
 {
+	struct cardstate *cs = bcs->cs;
 	struct sk_buff *skb;
 	int dobytes;
 	unsigned char *dst;
@@ -862,12 +863,12 @@ static inline void trans_receive(unsigned char *src, unsigned count,
 		return;
 	}
 	if (unlikely((skb = bcs->skb) == NULL)) {
-		bcs->skb = skb = dev_alloc_skb(SBUFSIZE + HW_HDR_LEN);
+		bcs->skb = skb = dev_alloc_skb(SBUFSIZE + cs->hw_hdr_len);
 		if (!skb) {
-			dev_err(bcs->cs->dev, "could not allocate skb\n");
+			dev_err(cs->dev, "could not allocate skb\n");
 			return;
 		}
-		skb_reserve(skb, HW_HDR_LEN);
+		skb_reserve(skb, cs->hw_hdr_len);
 	}
 	bcs->hw.bas->goodbytes += skb->len;
 	dobytes = TRANSBUFSIZE - skb->len;
@@ -881,14 +882,14 @@ static inline void trans_receive(unsigned char *src, unsigned count,
 		if (dobytes == 0) {
 			dump_bytes(DEBUG_STREAM_DUMP,
 				   "rcv data", skb->data, skb->len);
-			gigaset_rcv_skb(skb, bcs->cs, bcs);
-			bcs->skb = skb = dev_alloc_skb(SBUFSIZE + HW_HDR_LEN);
+			gigaset_skb_rcvd(bcs, skb);
+			bcs->skb = skb =
+				dev_alloc_skb(SBUFSIZE + cs->hw_hdr_len);
 			if (!skb) {
-				dev_err(bcs->cs->dev,
-					"could not allocate skb\n");
+				dev_err(cs->dev, "could not allocate skb\n");
 				return;
 			}
-			skb_reserve(bcs->skb, HW_HDR_LEN);
+			skb_reserve(skb, cs->hw_hdr_len);
 			dobytes = TRANSBUFSIZE;
 		}
 	}
@@ -897,7 +898,7 @@ static inline void trans_receive(unsigned char *src, unsigned count,
 void gigaset_isoc_receive(unsigned char *src, unsigned count, struct bc_state *bcs)
 {
 	switch (bcs->proto2) {
-	case ISDN_PROTO_L2_HDLC:
+	case L2_HDLC:
 		hdlc_unpack(src, count, bcs);
 		break;
 	default:		/* assume transparent */
@@ -981,8 +982,10 @@ void gigaset_isoc_input(struct inbuf_t *inbuf)
  * @bcs:	B channel descriptor structure.
  * @skb:	data to send.
  *
- * Called by i4l.c to queue an skb for sending, and start transmission if
+ * Called by LL to queue an skb for sending, and start transmission if
  * necessary.
+ * Once the payload data has been transmitted completely, gigaset_skb_sent()
+ * will be called with the first cs->hw_hdr_len bytes of skb->head preserved.
  *
  * Return value:
  *	number of bytes accepted for sending (skb->len) if ok,
-- 
GitLab


From aaba2b3f8213e1d66e71c351fa7a2b1cbd974d3c Mon Sep 17 00:00:00 2001
From: Tilman Schmidt <tilman@imap.cc>
Date: Tue, 6 Oct 2009 12:19:12 +0000
Subject: [PATCH 0041/1815] gigaset: allow building without I4L

Add a dummy LL interface to the Gigaset driver so that it can be
built and, in a limited way, used without the ISDN4Linux subsystem.

Impact: new configuration alternative
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/isdn/gigaset/Kconfig   | 13 ++++++-
 drivers/isdn/gigaset/Makefile  |  4 +-
 drivers/isdn/gigaset/dummyll.c | 68 ++++++++++++++++++++++++++++++++++
 3 files changed, 83 insertions(+), 2 deletions(-)
 create mode 100644 drivers/isdn/gigaset/dummyll.c

diff --git a/drivers/isdn/gigaset/Kconfig b/drivers/isdn/gigaset/Kconfig
index 18ab8652aa5..6fd2dc1e97f 100644
--- a/drivers/isdn/gigaset/Kconfig
+++ b/drivers/isdn/gigaset/Kconfig
@@ -1,6 +1,5 @@
 menuconfig ISDN_DRV_GIGASET
 	tristate "Siemens Gigaset support"
-	depends on ISDN_I4L
 	select CRC_CCITT
 	select BITREVERSE
 	help
@@ -11,9 +10,21 @@ menuconfig ISDN_DRV_GIGASET
 	  If you have one of these devices, say M here and for at least
 	  one of the connection specific parts that follow.
 	  This will build a module called "gigaset".
+	  Note: If you build the ISDN4Linux subsystem (ISDN_I4L)
+	  as a module, you have to build this driver as a module too,
+	  otherwise the Gigaset device won't show up as an ISDN device.
 
 if ISDN_DRV_GIGASET
 
+config GIGASET_I4L
+	bool
+	depends on ISDN_I4L='y'||(ISDN_I4L='m'&&ISDN_DRV_GIGASET='m')
+	default y
+
+config GIGASET_DUMMYLL
+	bool
+	default !GIGASET_I4L
+
 config GIGASET_BASE
 	tristate "Gigaset base station support"
 	depends on USB
diff --git a/drivers/isdn/gigaset/Makefile b/drivers/isdn/gigaset/Makefile
index e9d3189f56b..d429202ba8e 100644
--- a/drivers/isdn/gigaset/Makefile
+++ b/drivers/isdn/gigaset/Makefile
@@ -1,4 +1,6 @@
-gigaset-y := common.o interface.o proc.o ev-layer.o i4l.o asyncdata.o
+gigaset-y := common.o interface.o proc.o ev-layer.o asyncdata.o
+gigaset-$(CONFIG_GIGASET_I4L) += i4l.o
+gigaset-$(CONFIG_GIGASET_DUMMYLL) += dummyll.o
 usb_gigaset-y := usb-gigaset.o
 ser_gigaset-y := ser-gigaset.o
 bas_gigaset-y := bas-gigaset.o isocdata.o
diff --git a/drivers/isdn/gigaset/dummyll.c b/drivers/isdn/gigaset/dummyll.c
new file mode 100644
index 00000000000..5b27c996af6
--- /dev/null
+++ b/drivers/isdn/gigaset/dummyll.c
@@ -0,0 +1,68 @@
+/*
+ * Dummy LL interface for the Gigaset driver
+ *
+ * Copyright (c) 2009 by Tilman Schmidt <tilman@imap.cc>.
+ *
+ * =====================================================================
+ *	This program is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU General Public License as
+ *	published by the Free Software Foundation; either version 2 of
+ *	the License, or (at your option) any later version.
+ * =====================================================================
+ */
+
+#include "gigaset.h"
+
+void gigaset_skb_sent(struct bc_state *bcs, struct sk_buff *skb)
+{
+}
+EXPORT_SYMBOL_GPL(gigaset_skb_sent);
+
+void gigaset_skb_rcvd(struct bc_state *bcs, struct sk_buff *skb)
+{
+}
+EXPORT_SYMBOL_GPL(gigaset_skb_rcvd);
+
+void gigaset_isdn_rcv_err(struct bc_state *bcs)
+{
+}
+EXPORT_SYMBOL_GPL(gigaset_isdn_rcv_err);
+
+int gigaset_isdn_icall(struct at_state_t *at_state)
+{
+	return ICALL_IGNORE;
+}
+
+void gigaset_isdn_connD(struct bc_state *bcs)
+{
+}
+
+void gigaset_isdn_hupD(struct bc_state *bcs)
+{
+}
+
+void gigaset_isdn_connB(struct bc_state *bcs)
+{
+}
+
+void gigaset_isdn_hupB(struct bc_state *bcs)
+{
+}
+
+void gigaset_isdn_start(struct cardstate *cs)
+{
+}
+
+void gigaset_isdn_stop(struct cardstate *cs)
+{
+}
+
+int gigaset_isdn_register(struct cardstate *cs, const char *isdnid)
+{
+	pr_info("no ISDN subsystem interface\n");
+	return 1;
+}
+
+void gigaset_isdn_unregister(struct cardstate *cs)
+{
+}
-- 
GitLab


From 7bb5fdc2fb021e32703ed1ff0269876bde1fa962 Mon Sep 17 00:00:00 2001
From: Tilman Schmidt <tilman@imap.cc>
Date: Tue, 6 Oct 2009 12:19:17 +0000
Subject: [PATCH 0042/1815] gigaset: add Kernel CAPI interface (v3)

Add a Kernel CAPI interface to the Gigaset driver.

Impact: optional new functionality
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 Documentation/isdn/README.gigaset |   34 +-
 drivers/isdn/gigaset/Kconfig      |   18 +-
 drivers/isdn/gigaset/Makefile     |    1 +
 drivers/isdn/gigaset/capi.c       | 2273 +++++++++++++++++++++++++++++
 drivers/isdn/gigaset/common.c     |   26 +
 drivers/isdn/gigaset/ev-layer.c   |   26 +-
 drivers/isdn/gigaset/gigaset.h    |    7 +-
 7 files changed, 2356 insertions(+), 29 deletions(-)
 create mode 100644 drivers/isdn/gigaset/capi.c

diff --git a/Documentation/isdn/README.gigaset b/Documentation/isdn/README.gigaset
index f9963103ae3..0fc9831d7ec 100644
--- a/Documentation/isdn/README.gigaset
+++ b/Documentation/isdn/README.gigaset
@@ -5,7 +5,7 @@ GigaSet 307x Device Driver
      ------------
 1.1. Hardware
      --------
-     This release supports the connection of the Gigaset 307x/417x family of
+     This driver supports the connection of the Gigaset 307x/417x family of
      ISDN DECT bases via Gigaset M101 Data, Gigaset M105 Data or direct USB
      connection. The following devices are reported to be compatible:
 
@@ -33,7 +33,7 @@ GigaSet 307x Device Driver
               http://gigaset307x.sourceforge.net/
 
      We had also reports from users of Gigaset M105 who could use the drivers
-     with SX 100 and CX 100 ISDN bases (only in unimodem mode, see section 2.4.)
+     with SX 100 and CX 100 ISDN bases (only in unimodem mode, see section 2.5.)
      If you have another device that works with our driver, please let us know.
 
      Chances of getting an USB device to work are good if the output of
@@ -49,7 +49,7 @@ GigaSet 307x Device Driver
      --------
      The driver works with ISDN4linux and so can be used with any software
      which is able to use ISDN4linux for ISDN connections (voice or data).
-     CAPI4Linux support is planned but not yet available.
+     Experimental Kernel CAPI support is available as a compilation option.
 
      There are some user space tools available at
      http://sourceforge.net/projects/gigaset307x/
@@ -102,20 +102,28 @@ GigaSet 307x Device Driver
 2.3. ISDN4linux
      ----------
      This is the "normal" mode of operation. After loading the module you can
-     set up the ISDN system just as you'd do with any ISDN card.
-     Your distribution should provide some configuration utility.
-     If not, you can use some HOWTOs like
+     set up the ISDN system just as you'd do with any ISDN card supported by
+     the ISDN4Linux subsystem. Most distributions provide some configuration
+     utility. If not, you can use some HOWTOs like
          http://www.linuxhaven.de/dlhp/HOWTO/DE-ISDN-HOWTO-5.html
-     If this doesn't work, because you have some recent device like SX100 where
+     If this doesn't work, because you have some device like SX100 where
      debug output (see section 3.2.) shows something like this when dialing
          CMD Received: ERROR
          Available Params: 0
          Connection State: 0, Response: -1
          gigaset_process_response: resp_code -1 in ConState 0 !
          Timeout occurred
-     you might need to use unimodem mode:
+     you might need to use unimodem mode. (see section 2.5.)
 
-2.4. Unimodem mode
+2.4. CAPI
+     ----
+     If the driver is compiled with CAPI support (kernel configuration option
+     GIGASET_CAPI, experimental) it can also be used with CAPI 2.0 kernel and
+     user space applications.  ISDN4Linux is supported in this configuration
+     via the capidrv compatibility driver. The kernel module capidrv.ko must
+     be loaded explicitly ("modprobe capidrv") if needed.
+
+2.5. Unimodem mode
      -------------
      This is needed for some devices [e.g. SX100] as they have problems with
      the "normal" commands.
@@ -160,7 +168,7 @@ GigaSet 307x Device Driver
      configuration file like /etc/modprobe.conf.local,
      using that should be preferred.
 
-2.5. Call-ID (CID) mode
+2.6. Call-ID (CID) mode
      ------------------
      Call-IDs are numbers used to tag commands to, and responses from, the
      Gigaset base in order to support the simultaneous handling of multiple
@@ -188,7 +196,7 @@ GigaSet 307x Device Driver
      You can also use /sys/class/tty/ttyGxy/cidmode for changing the CID mode
      setting (ttyGxy is ttyGU0 or ttyGB0).
 
-2.6. Unregistered Wireless Devices (M101/M105)
+2.7. Unregistered Wireless Devices (M101/M105)
      -----------------------------------------
      The main purpose of the ser_gigaset and usb_gigaset drivers is to allow
      the M101 and M105 wireless devices to be used as ISDN devices for ISDN
@@ -228,7 +236,7 @@ GigaSet 307x Device Driver
         You have two or more DECT data adapters (M101/M105) and only the
         first one you turn on works.
      Solution:
-        Select Unimodem mode for all DECT data adapters. (see section 2.4.)
+        Select Unimodem mode for all DECT data adapters. (see section 2.5.)
 
      Problem:
 	Messages like this:
@@ -236,7 +244,7 @@ GigaSet 307x Device Driver
 	appear in your syslog.
      Solution:
 	Check whether your M10x wireless device is correctly registered to the
-	Gigaset base. (see section 2.6.)
+	Gigaset base. (see section 2.7.)
 
 3.2. Telling the driver to provide more information
      ----------------------------------------------
diff --git a/drivers/isdn/gigaset/Kconfig b/drivers/isdn/gigaset/Kconfig
index 6fd2dc1e97f..dcefedc7044 100644
--- a/drivers/isdn/gigaset/Kconfig
+++ b/drivers/isdn/gigaset/Kconfig
@@ -10,20 +10,32 @@ menuconfig ISDN_DRV_GIGASET
 	  If you have one of these devices, say M here and for at least
 	  one of the connection specific parts that follow.
 	  This will build a module called "gigaset".
-	  Note: If you build the ISDN4Linux subsystem (ISDN_I4L)
+	  Note: If you build your ISDN subsystem (ISDN_CAPI or ISDN_I4L)
 	  as a module, you have to build this driver as a module too,
 	  otherwise the Gigaset device won't show up as an ISDN device.
 
 if ISDN_DRV_GIGASET
 
+config GIGASET_CAPI
+	bool "Gigaset CAPI support (EXPERIMENTAL)"
+	depends on EXPERIMENTAL
+	depends on ISDN_CAPI='y'||(ISDN_CAPI='m'&&ISDN_DRV_GIGASET='m')
+	default ISDN_I4L='n'
+	help
+	  Build the Gigaset driver as a CAPI 2.0 driver interfacing with
+	  the Kernel CAPI subsystem. To use it with the old ISDN4Linux
+	  subsystem you'll have to enable the capidrv glue driver.
+	  (select ISDN_CAPI_CAPIDRV.)
+	  Say N to build the old native ISDN4Linux variant.
+
 config GIGASET_I4L
 	bool
 	depends on ISDN_I4L='y'||(ISDN_I4L='m'&&ISDN_DRV_GIGASET='m')
-	default y
+	default !GIGASET_CAPI
 
 config GIGASET_DUMMYLL
 	bool
-	default !GIGASET_I4L
+	default !GIGASET_CAPI&&!GIGASET_I4L
 
 config GIGASET_BASE
 	tristate "Gigaset base station support"
diff --git a/drivers/isdn/gigaset/Makefile b/drivers/isdn/gigaset/Makefile
index d429202ba8e..c453b72272a 100644
--- a/drivers/isdn/gigaset/Makefile
+++ b/drivers/isdn/gigaset/Makefile
@@ -1,4 +1,5 @@
 gigaset-y := common.o interface.o proc.o ev-layer.o asyncdata.o
+gigaset-$(CONFIG_GIGASET_CAPI) += capi.o
 gigaset-$(CONFIG_GIGASET_I4L) += i4l.o
 gigaset-$(CONFIG_GIGASET_DUMMYLL) += dummyll.o
 usb_gigaset-y := usb-gigaset.o
diff --git a/drivers/isdn/gigaset/capi.c b/drivers/isdn/gigaset/capi.c
new file mode 100644
index 00000000000..c276a925b36
--- /dev/null
+++ b/drivers/isdn/gigaset/capi.c
@@ -0,0 +1,2273 @@
+/*
+ * Kernel CAPI interface for the Gigaset driver
+ *
+ * Copyright (c) 2009 by Tilman Schmidt <tilman@imap.cc>.
+ *
+ * =====================================================================
+ *	This program is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU General Public License as
+ *	published by the Free Software Foundation; either version 2 of
+ *	the License, or (at your option) any later version.
+ * =====================================================================
+ */
+
+#include "gigaset.h"
+#include <linux/ctype.h>
+#include <linux/isdn/capilli.h>
+#include <linux/isdn/capicmd.h>
+#include <linux/isdn/capiutil.h>
+
+/* missing from kernelcapi.h */
+#define CapiNcpiNotSupportedByProtocol	0x0001
+#define CapiFlagsNotSupportedByProtocol	0x0002
+#define CapiAlertAlreadySent		0x0003
+#define CapiFacilitySpecificFunctionNotSupported	0x3011
+
+/* missing from capicmd.h */
+#define CAPI_CONNECT_IND_BASELEN	(CAPI_MSG_BASELEN+4+2+8*1)
+#define CAPI_CONNECT_ACTIVE_IND_BASELEN	(CAPI_MSG_BASELEN+4+3*1)
+#define CAPI_CONNECT_B3_IND_BASELEN	(CAPI_MSG_BASELEN+4+1)
+#define CAPI_CONNECT_B3_ACTIVE_IND_BASELEN	(CAPI_MSG_BASELEN+4+1)
+#define CAPI_DATA_B3_REQ_LEN64		(CAPI_MSG_BASELEN+4+4+2+2+2+8)
+#define CAPI_DATA_B3_CONF_LEN		(CAPI_MSG_BASELEN+4+2+2)
+#define CAPI_DISCONNECT_IND_LEN		(CAPI_MSG_BASELEN+4+2)
+#define CAPI_DISCONNECT_B3_IND_BASELEN	(CAPI_MSG_BASELEN+4+2+1)
+#define CAPI_FACILITY_CONF_BASELEN	(CAPI_MSG_BASELEN+4+2+2+1)
+/* most _CONF messages contain only Controller/PLCI/NCCI and Info parameters */
+#define CAPI_STDCONF_LEN		(CAPI_MSG_BASELEN+4+2)
+
+#define CAPI_FACILITY_HANDSET	0x0000
+#define CAPI_FACILITY_DTMF	0x0001
+#define CAPI_FACILITY_V42BIS	0x0002
+#define CAPI_FACILITY_SUPPSVC	0x0003
+#define CAPI_FACILITY_WAKEUP	0x0004
+#define CAPI_FACILITY_LI	0x0005
+
+#define CAPI_SUPPSVC_GETSUPPORTED	0x0000
+
+/* missing from capiutil.h */
+#define CAPIMSG_PLCI_PART(m)	CAPIMSG_U8(m, 9)
+#define CAPIMSG_NCCI_PART(m)	CAPIMSG_U16(m, 10)
+#define CAPIMSG_HANDLE_REQ(m)	CAPIMSG_U16(m, 18) /* DATA_B3_REQ/_IND only! */
+#define CAPIMSG_FLAGS(m)	CAPIMSG_U16(m, 20)
+#define CAPIMSG_SETCONTROLLER(m, contr)	capimsg_setu8(m, 8, contr)
+#define CAPIMSG_SETPLCI_PART(m, plci)	capimsg_setu8(m, 9, plci)
+#define CAPIMSG_SETNCCI_PART(m, ncci)	capimsg_setu16(m, 10, ncci)
+#define CAPIMSG_SETFLAGS(m, flags)	capimsg_setu16(m, 20, flags)
+
+/* parameters with differing location in DATA_B3_CONF/_RESP: */
+#define CAPIMSG_SETHANDLE_CONF(m, handle)	capimsg_setu16(m, 12, handle)
+#define	CAPIMSG_SETINFO_CONF(m, info)		capimsg_setu16(m, 14, info)
+
+/* Flags (DATA_B3_REQ/_IND) */
+#define CAPI_FLAGS_DELIVERY_CONFIRMATION	0x04
+#define CAPI_FLAGS_RESERVED			(~0x1f)
+
+/* buffer sizes */
+#define MAX_BC_OCTETS 11
+#define MAX_HLC_OCTETS 3
+#define MAX_NUMBER_DIGITS 20
+#define MAX_FMT_IE_LEN 20
+
+/* values for gigaset_capi_appl.connected */
+#define APCONN_NONE	0	/* inactive/listening */
+#define APCONN_SETUP	1	/* connecting */
+#define APCONN_ACTIVE	2	/* B channel up */
+
+/* registered application data structure */
+struct gigaset_capi_appl {
+	struct list_head ctrlist;
+	struct gigaset_capi_appl *bcnext;
+	u16 id;
+	u16 nextMessageNumber;
+	u32 listenInfoMask;
+	u32 listenCIPmask;
+	int connected;
+};
+
+/* CAPI specific controller data structure */
+struct gigaset_capi_ctr {
+	struct capi_ctr ctr;
+	struct list_head appls;
+	struct sk_buff_head sendqueue;
+	atomic_t sendqlen;
+	/* two _cmsg structures possibly used concurrently: */
+	_cmsg hcmsg;	/* for message composition triggered from hardware */
+	_cmsg acmsg;	/* for dissection of messages sent from application */
+	u8 bc_buf[MAX_BC_OCTETS+1];
+	u8 hlc_buf[MAX_HLC_OCTETS+1];
+	u8 cgpty_buf[MAX_NUMBER_DIGITS+3];
+	u8 cdpty_buf[MAX_NUMBER_DIGITS+2];
+};
+
+/* CIP Value table (from CAPI 2.0 standard, ch. 6.1) */
+static struct {
+	u8 *bc;
+	u8 *hlc;
+} cip2bchlc[] = {
+	[1] = { "8090A3", NULL },
+		/* Speech (A-law) */
+	[2] = { "8890", NULL },
+		/* Unrestricted digital information */
+	[3] = { "8990", NULL },
+		/* Restricted digital information */
+	[4] = { "9090A3", NULL },
+		/* 3,1 kHz audio (A-law) */
+	[5] = { "9190", NULL },
+		/* 7 kHz audio */
+	[6] = { "9890", NULL },
+		/* Video */
+	[7] = { "88C0C6E6", NULL },
+		/* Packet mode */
+	[8] = { "8890218F", NULL },
+		/* 56 kbit/s rate adaptation */
+	[9] = { "9190A5", NULL },
+		/* Unrestricted digital information with tones/announcements */
+	[16] = { "8090A3", "9181" },
+		/* Telephony */
+	[17] = { "9090A3", "9184" },
+		/* Group 2/3 facsimile */
+	[18] = { "8890", "91A1" },
+		/* Group 4 facsimile Class 1 */
+	[19] = { "8890", "91A4" },
+		/* Teletex service basic and mixed mode
+		   and Group 4 facsimile service Classes II and III */
+	[20] = { "8890", "91A8" },
+		/* Teletex service basic and processable mode */
+	[21] = { "8890", "91B1" },
+		/* Teletex service basic mode */
+	[22] = { "8890", "91B2" },
+		/* International interworking for Videotex */
+	[23] = { "8890", "91B5" },
+		/* Telex */
+	[24] = { "8890", "91B8" },
+		/* Message Handling Systems in accordance with X.400 */
+	[25] = { "8890", "91C1" },
+		/* OSI application in accordance with X.200 */
+	[26] = { "9190A5", "9181" },
+		/* 7 kHz telephony */
+	[27] = { "9190A5", "916001" },
+		/* Video telephony, first connection */
+	[28] = { "8890", "916002" },
+		/* Video telephony, second connection */
+};
+
+/*
+ * helper functions
+ * ================
+ */
+
+/*
+ * emit unsupported parameter warning
+ */
+static inline void ignore_cstruct_param(struct cardstate *cs, _cstruct param,
+				       char *msgname, char *paramname)
+{
+	if (param && *param)
+		dev_warn(cs->dev, "%s: ignoring unsupported parameter: %s\n",
+			 msgname, paramname);
+}
+
+static inline void ignore_cmstruct_param(struct cardstate *cs, _cmstruct param,
+				       char *msgname, char *paramname)
+{
+	if (param != CAPI_DEFAULT)
+		dev_warn(cs->dev, "%s: ignoring unsupported parameter: %s\n",
+			 msgname, paramname);
+}
+
+/*
+ * check for legal hex digit
+ */
+static inline int ishexdigit(char c)
+{
+	if (c >= '0' && c <= '9')
+		return 1;
+	if (c >= 'A' && c <= 'F')
+		return 1;
+	if (c >= 'a' && c <= 'f')
+		return 1;
+	return 0;
+}
+
+/*
+ * convert hex to binary
+ */
+static inline u8 hex2bin(char c)
+{
+	int result = c & 0x0f;
+	if (c & 0x40)
+		result += 9;
+	return result;
+}
+
+/*
+ * convert an IE from Gigaset hex string to ETSI binary representation
+ * including length byte
+ * return value: result length, -1 on error
+ */
+static int encode_ie(char *in, u8 *out, int maxlen)
+{
+	int l = 0;
+	while (*in) {
+		if (!ishexdigit(in[0]) || !ishexdigit(in[1]) || l >= maxlen)
+			return -1;
+		out[++l] = (hex2bin(in[0]) << 4) + hex2bin(in[1]);
+		in += 2;
+	}
+	out[0] = l;
+	return l;
+}
+
+/*
+ * convert an IE from ETSI binary representation including length byte
+ * to Gigaset hex string
+ */
+static void decode_ie(u8 *in, char *out)
+{
+	int i = *in;
+	while (i-- > 0) {
+		/* ToDo: conversion to upper case necessary? */
+		*out++ = toupper(hex_asc_hi(*++in));
+		*out++ = toupper(hex_asc_lo(*in));
+	}
+}
+
+/*
+ * retrieve application data structure for an application ID
+ */
+static inline struct gigaset_capi_appl *
+get_appl(struct gigaset_capi_ctr *iif, u16 appl)
+{
+	struct gigaset_capi_appl *ap;
+
+	list_for_each_entry(ap, &iif->appls, ctrlist)
+		if (ap->id == appl)
+			return ap;
+	return NULL;
+}
+
+/*
+ * dump CAPI message to kernel messages for debugging
+ */
+static inline void dump_cmsg(enum debuglevel level, const char *tag, _cmsg *p)
+{
+#ifdef CONFIG_GIGASET_DEBUG
+	_cdebbuf *cdb;
+
+	if (!(gigaset_debuglevel & level))
+		return;
+
+	cdb = capi_cmsg2str(p);
+	if (cdb) {
+		gig_dbg(level, "%s: [%d] %s", tag, p->ApplId, cdb->buf);
+		cdebbuf_free(cdb);
+	} else {
+		gig_dbg(level, "%s: [%d] %s", tag, p->ApplId,
+			capi_cmd2str(p->Command, p->Subcommand));
+	}
+#endif
+}
+
+static inline void dump_rawmsg(enum debuglevel level, const char *tag,
+			       unsigned char *data)
+{
+#ifdef CONFIG_GIGASET_DEBUG
+	char *dbgline;
+	int i, l;
+
+	if (!(gigaset_debuglevel & level))
+		return;
+
+	l = CAPIMSG_LEN(data);
+	if (l < 12) {
+		gig_dbg(level, "%s: ??? LEN=%04d", tag, l);
+		return;
+	}
+	gig_dbg(level, "%s: 0x%02x:0x%02x: ID=%03d #0x%04x LEN=%04d NCCI=0x%x",
+		tag, CAPIMSG_COMMAND(data), CAPIMSG_SUBCOMMAND(data),
+		CAPIMSG_APPID(data), CAPIMSG_MSGID(data), l,
+		CAPIMSG_CONTROL(data));
+	l -= 12;
+	dbgline = kmalloc(3*l, GFP_ATOMIC);
+	if (!dbgline)
+		return;
+	for (i = 0; i < l; i++) {
+		dbgline[3*i] = hex_asc_hi(data[12+i]);
+		dbgline[3*i+1] = hex_asc_lo(data[12+i]);
+		dbgline[3*i+2] = ' ';
+	}
+	dbgline[3*l-1] = '\0';
+	gig_dbg(level, "  %s", dbgline);
+	kfree(dbgline);
+	if (CAPIMSG_COMMAND(data) == CAPI_DATA_B3 &&
+	    (CAPIMSG_SUBCOMMAND(data) == CAPI_REQ ||
+	     CAPIMSG_SUBCOMMAND(data) == CAPI_IND) &&
+	    CAPIMSG_DATALEN(data) > 0) {
+		l = CAPIMSG_DATALEN(data);
+		dbgline = kmalloc(3*l, GFP_ATOMIC);
+		if (!dbgline)
+			return;
+		data += CAPIMSG_LEN(data);
+		for (i = 0; i < l; i++) {
+			dbgline[3*i] = hex_asc_hi(data[i]);
+			dbgline[3*i+1] = hex_asc_lo(data[i]);
+			dbgline[3*i+2] = ' ';
+		}
+		dbgline[3*l-1] = '\0';
+		gig_dbg(level, "  %s", dbgline);
+		kfree(dbgline);
+	}
+#endif
+}
+
+/*
+ * format CAPI IE as string
+ */
+
+static const char *format_ie(const char *ie)
+{
+	static char result[3*MAX_FMT_IE_LEN];
+	int len, count;
+	char *pout = result;
+
+	if (!ie)
+		return "NULL";
+
+	count = len = ie[0];
+	if (count > MAX_FMT_IE_LEN)
+		count = MAX_FMT_IE_LEN-1;
+	while (count--) {
+		*pout++ = hex_asc_hi(*++ie);
+		*pout++ = hex_asc_lo(*ie);
+		*pout++ = ' ';
+	}
+	if (len > MAX_FMT_IE_LEN) {
+		*pout++ = '.';
+		*pout++ = '.';
+		*pout++ = '.';
+	}
+	*--pout = 0;
+	return result;
+}
+
+
+/*
+ * driver interface functions
+ * ==========================
+ */
+
+/**
+ * gigaset_skb_sent() - acknowledge transmission of outgoing skb
+ * @bcs:	B channel descriptor structure.
+ * @skb:	sent data.
+ *
+ * Called by hardware module {bas,ser,usb}_gigaset when the data in a
+ * skb has been successfully sent, for signalling completion to the LL.
+ */
+void gigaset_skb_sent(struct bc_state *bcs, struct sk_buff *dskb)
+{
+	struct cardstate *cs = bcs->cs;
+	struct gigaset_capi_ctr *iif = cs->iif;
+	struct gigaset_capi_appl *ap = bcs->ap;
+	struct sk_buff *cskb;
+	u16 flags;
+
+	/* update statistics */
+	++bcs->trans_up;
+
+	if (!ap) {
+		dev_err(cs->dev, "%s: no application\n", __func__);
+		return;
+	}
+
+	/* don't send further B3 messages if disconnected */
+	if (ap->connected < APCONN_ACTIVE) {
+		gig_dbg(DEBUG_LLDATA, "disconnected, discarding ack");
+		return;
+	}
+
+	/* ToDo: honor unset "delivery confirmation" bit */
+	flags = CAPIMSG_FLAGS(dskb->head);
+
+	/* build DATA_B3_CONF message */
+	cskb = alloc_skb(CAPI_DATA_B3_CONF_LEN, GFP_ATOMIC);
+	if (!cskb) {
+		dev_err(cs->dev, "%s: out of memory\n", __func__);
+		return;
+	}
+	/* frequent message, avoid _cmsg overhead */
+	CAPIMSG_SETLEN(cskb->data, CAPI_DATA_B3_CONF_LEN);
+	CAPIMSG_SETAPPID(cskb->data, ap->id);
+	CAPIMSG_SETCOMMAND(cskb->data, CAPI_DATA_B3);
+	CAPIMSG_SETSUBCOMMAND(cskb->data,  CAPI_CONF);
+	CAPIMSG_SETMSGID(cskb->data, CAPIMSG_MSGID(dskb->head));
+	CAPIMSG_SETCONTROLLER(cskb->data, iif->ctr.cnr);
+	CAPIMSG_SETPLCI_PART(cskb->data, bcs->channel + 1);
+	CAPIMSG_SETNCCI_PART(cskb->data, 1);
+	CAPIMSG_SETHANDLE_CONF(cskb->data, CAPIMSG_HANDLE_REQ(dskb->head));
+	if (flags & ~CAPI_FLAGS_DELIVERY_CONFIRMATION)
+		CAPIMSG_SETINFO_CONF(cskb->data,
+				     CapiFlagsNotSupportedByProtocol);
+	else
+		CAPIMSG_SETINFO_CONF(cskb->data, CAPI_NOERROR);
+
+	/* emit message */
+	dump_rawmsg(DEBUG_LLDATA, "DATA_B3_CONF", cskb->data);
+	capi_ctr_handle_message(&iif->ctr, ap->id, cskb);
+}
+EXPORT_SYMBOL_GPL(gigaset_skb_sent);
+
+/**
+ * gigaset_skb_rcvd() - pass received skb to LL
+ * @bcs:	B channel descriptor structure.
+ * @skb:	received data.
+ *
+ * Called by hardware module {bas,ser,usb}_gigaset when user data has
+ * been successfully received, for passing to the LL.
+ * Warning: skb must not be accessed anymore!
+ */
+void gigaset_skb_rcvd(struct bc_state *bcs, struct sk_buff *skb)
+{
+	struct cardstate *cs = bcs->cs;
+	struct gigaset_capi_ctr *iif = cs->iif;
+	struct gigaset_capi_appl *ap = bcs->ap;
+	int len = skb->len;
+
+	/* update statistics */
+	bcs->trans_down++;
+
+	if (!ap) {
+		dev_err(cs->dev, "%s: no application\n", __func__);
+		return;
+	}
+
+	/* don't send further B3 messages if disconnected */
+	if (ap->connected < APCONN_ACTIVE) {
+		gig_dbg(DEBUG_LLDATA, "disconnected, discarding data");
+		dev_kfree_skb(skb);
+		return;
+	}
+
+	/*
+	 * prepend DATA_B3_IND message to payload
+	 * Parameters: NCCI = 1, all others 0/unused
+	 * frequent message, avoid _cmsg overhead
+	 */
+	skb_push(skb, CAPI_DATA_B3_REQ_LEN);
+	CAPIMSG_SETLEN(skb->data, CAPI_DATA_B3_REQ_LEN);
+	CAPIMSG_SETAPPID(skb->data, ap->id);
+	CAPIMSG_SETCOMMAND(skb->data, CAPI_DATA_B3);
+	CAPIMSG_SETSUBCOMMAND(skb->data,  CAPI_IND);
+	CAPIMSG_SETMSGID(skb->data, ap->nextMessageNumber++);
+	CAPIMSG_SETCONTROLLER(skb->data, iif->ctr.cnr);
+	CAPIMSG_SETPLCI_PART(skb->data, bcs->channel + 1);
+	CAPIMSG_SETNCCI_PART(skb->data, 1);
+	/* Data parameter not used */
+	CAPIMSG_SETDATALEN(skb->data, len);
+	/* Data handle parameter not used */
+	CAPIMSG_SETFLAGS(skb->data, 0);
+	/* Data64 parameter not present */
+
+	/* emit message */
+	dump_rawmsg(DEBUG_LLDATA, "DATA_B3_IND", skb->data);
+	capi_ctr_handle_message(&iif->ctr, ap->id, skb);
+}
+EXPORT_SYMBOL_GPL(gigaset_skb_rcvd);
+
+/**
+ * gigaset_isdn_rcv_err() - signal receive error
+ * @bcs:	B channel descriptor structure.
+ *
+ * Called by hardware module {bas,ser,usb}_gigaset when a receive error
+ * has occurred, for signalling to the LL.
+ */
+void gigaset_isdn_rcv_err(struct bc_state *bcs)
+{
+	/* if currently ignoring packets, just count down */
+	if (bcs->ignore) {
+		bcs->ignore--;
+		return;
+	}
+
+	/* update statistics */
+	bcs->corrupted++;
+
+	/* ToDo: signal error -> LL */
+}
+EXPORT_SYMBOL_GPL(gigaset_isdn_rcv_err);
+
+/**
+ * gigaset_isdn_icall() - signal incoming call
+ * @at_state:	connection state structure.
+ *
+ * Called by main module at tasklet level to notify the LL that an incoming
+ * call has been received. @at_state contains the parameters of the call.
+ *
+ * Return value: call disposition (ICALL_*)
+ */
+int gigaset_isdn_icall(struct at_state_t *at_state)
+{
+	struct cardstate *cs = at_state->cs;
+	struct bc_state *bcs = at_state->bcs;
+	struct gigaset_capi_ctr *iif = cs->iif;
+	struct gigaset_capi_appl *ap;
+	u32 actCIPmask;
+	struct sk_buff *skb;
+	unsigned int msgsize;
+	int i;
+
+	/*
+	 * ToDo: signal calls without a free B channel, too
+	 * (requires a u8 handle for the at_state structure that can
+	 * be stored in the PLCI and used in the CONNECT_RESP message
+	 * handler to retrieve it)
+	 */
+	if (!bcs)
+		return ICALL_IGNORE;
+
+	/* prepare CONNECT_IND message, using B channel number as PLCI */
+	capi_cmsg_header(&iif->hcmsg, 0, CAPI_CONNECT, CAPI_IND, 0,
+			 iif->ctr.cnr | ((bcs->channel + 1) << 8));
+
+	/* minimum size, all structs empty */
+	msgsize = CAPI_CONNECT_IND_BASELEN;
+
+	/* Bearer Capability (mandatory) */
+	if (at_state->str_var[STR_ZBC]) {
+		/* pass on BC from Gigaset */
+		if (encode_ie(at_state->str_var[STR_ZBC], iif->bc_buf,
+			      MAX_BC_OCTETS) < 0) {
+			dev_warn(cs->dev, "RING ignored - bad BC %s\n",
+				 at_state->str_var[STR_ZBC]);
+			return ICALL_IGNORE;
+		}
+
+		/* look up corresponding CIP value */
+		iif->hcmsg.CIPValue = 0;	/* default if nothing found */
+		for (i = 0; i < ARRAY_SIZE(cip2bchlc); i++)
+			if (cip2bchlc[i].bc != NULL &&
+			    cip2bchlc[i].hlc == NULL &&
+			    !strcmp(cip2bchlc[i].bc,
+				    at_state->str_var[STR_ZBC])) {
+				iif->hcmsg.CIPValue = i;
+				break;
+			}
+	} else {
+		/* no BC (internal call): assume CIP 1 (speech, A-law) */
+		iif->hcmsg.CIPValue = 1;
+		encode_ie(cip2bchlc[1].bc, iif->bc_buf, MAX_BC_OCTETS);
+	}
+	iif->hcmsg.BC = iif->bc_buf;
+	msgsize += iif->hcmsg.BC[0];
+
+	/* High Layer Compatibility (optional) */
+	if (at_state->str_var[STR_ZHLC]) {
+		/* pass on HLC from Gigaset */
+		if (encode_ie(at_state->str_var[STR_ZHLC], iif->hlc_buf,
+			      MAX_HLC_OCTETS) < 0) {
+			dev_warn(cs->dev, "RING ignored - bad HLC %s\n",
+				 at_state->str_var[STR_ZHLC]);
+			return ICALL_IGNORE;
+		}
+		iif->hcmsg.HLC = iif->hlc_buf;
+		msgsize += iif->hcmsg.HLC[0];
+
+		/* look up corresponding CIP value */
+		/* keep BC based CIP value if none found */
+		if (at_state->str_var[STR_ZBC])
+			for (i = 0; i < ARRAY_SIZE(cip2bchlc); i++)
+				if (cip2bchlc[i].hlc != NULL &&
+				    !strcmp(cip2bchlc[i].hlc,
+					    at_state->str_var[STR_ZHLC]) &&
+				    !strcmp(cip2bchlc[i].bc,
+					    at_state->str_var[STR_ZBC])) {
+					iif->hcmsg.CIPValue = i;
+					break;
+				}
+	}
+
+	/* Called Party Number (optional) */
+	if (at_state->str_var[STR_ZCPN]) {
+		i = strlen(at_state->str_var[STR_ZCPN]);
+		if (i > MAX_NUMBER_DIGITS) {
+			dev_warn(cs->dev, "RING ignored - bad number %s\n",
+				 at_state->str_var[STR_ZBC]);
+			return ICALL_IGNORE;
+		}
+		iif->cdpty_buf[0] = i + 1;
+		iif->cdpty_buf[1] = 0x80; /* type / numbering plan unknown */
+		memcpy(iif->cdpty_buf+2, at_state->str_var[STR_ZCPN], i);
+		iif->hcmsg.CalledPartyNumber = iif->cdpty_buf;
+		msgsize += iif->hcmsg.CalledPartyNumber[0];
+	}
+
+	/* Calling Party Number (optional) */
+	if (at_state->str_var[STR_NMBR]) {
+		i = strlen(at_state->str_var[STR_NMBR]);
+		if (i > MAX_NUMBER_DIGITS) {
+			dev_warn(cs->dev, "RING ignored - bad number %s\n",
+				 at_state->str_var[STR_ZBC]);
+			return ICALL_IGNORE;
+		}
+		iif->cgpty_buf[0] = i + 2;
+		iif->cgpty_buf[1] = 0x00; /* type / numbering plan unknown */
+		iif->cgpty_buf[2] = 0x80; /* pres. allowed, not screened */
+		memcpy(iif->cgpty_buf+3, at_state->str_var[STR_NMBR], i);
+		iif->hcmsg.CallingPartyNumber = iif->cgpty_buf;
+		msgsize += iif->hcmsg.CallingPartyNumber[0];
+	}
+
+	/* remaining parameters (not supported, always left NULL):
+	 * - CalledPartySubaddress
+	 * - CallingPartySubaddress
+	 * - AdditionalInfo
+	 *   - BChannelinformation
+	 *   - Keypadfacility
+	 *   - Useruserdata
+	 *   - Facilitydataarray
+	 */
+
+	gig_dbg(DEBUG_CMD, "icall: PLCI %x CIP %d BC %s",
+		iif->hcmsg.adr.adrPLCI, iif->hcmsg.CIPValue,
+		format_ie(iif->hcmsg.BC));
+	gig_dbg(DEBUG_CMD, "icall: HLC %s",
+		format_ie(iif->hcmsg.HLC));
+	gig_dbg(DEBUG_CMD, "icall: CgPty %s",
+		format_ie(iif->hcmsg.CallingPartyNumber));
+	gig_dbg(DEBUG_CMD, "icall: CdPty %s",
+		format_ie(iif->hcmsg.CalledPartyNumber));
+
+	/* scan application list for matching listeners */
+	bcs->ap = NULL;
+	actCIPmask = 1 | (1 << iif->hcmsg.CIPValue);
+	list_for_each_entry(ap, &iif->appls, ctrlist)
+		if (actCIPmask & ap->listenCIPmask) {
+			/* build CONNECT_IND message for this application */
+			iif->hcmsg.ApplId = ap->id;
+			iif->hcmsg.Messagenumber = ap->nextMessageNumber++;
+
+			skb = alloc_skb(msgsize, GFP_ATOMIC);
+			if (!skb) {
+				dev_err(cs->dev, "%s: out of memory\n",
+					__func__);
+				break;
+			}
+			capi_cmsg2message(&iif->hcmsg, __skb_put(skb, msgsize));
+			dump_cmsg(DEBUG_CMD, __func__, &iif->hcmsg);
+
+			/* add to listeners on this B channel, update state */
+			ap->bcnext = bcs->ap;
+			bcs->ap = ap;
+			bcs->chstate |= CHS_NOTIFY_LL;
+			ap->connected = APCONN_SETUP;
+
+			/* emit message */
+			capi_ctr_handle_message(&iif->ctr, ap->id, skb);
+		}
+
+	/*
+	 * Return "accept" if any listeners.
+	 * Gigaset will send ALERTING.
+	 * There doesn't seem to be a way to avoid this.
+	 */
+	return bcs->ap ? ICALL_ACCEPT : ICALL_IGNORE;
+}
+
+/*
+ * send a DISCONNECT_IND message to an application
+ * does not sleep, clobbers the controller's hcmsg structure
+ */
+static void send_disconnect_ind(struct bc_state *bcs,
+				struct gigaset_capi_appl *ap, u16 reason)
+{
+	struct cardstate *cs = bcs->cs;
+	struct gigaset_capi_ctr *iif = cs->iif;
+	struct sk_buff *skb;
+
+	if (ap->connected == APCONN_NONE)
+		return;
+
+	capi_cmsg_header(&iif->hcmsg, ap->id, CAPI_DISCONNECT, CAPI_IND,
+			 ap->nextMessageNumber++,
+			 iif->ctr.cnr | ((bcs->channel + 1) << 8));
+	iif->hcmsg.Reason = reason;
+	skb = alloc_skb(CAPI_DISCONNECT_IND_LEN, GFP_ATOMIC);
+	if (!skb) {
+		dev_err(cs->dev, "%s: out of memory\n", __func__);
+		return;
+	}
+	capi_cmsg2message(&iif->hcmsg, __skb_put(skb, CAPI_DISCONNECT_IND_LEN));
+	dump_cmsg(DEBUG_CMD, __func__, &iif->hcmsg);
+	ap->connected = APCONN_NONE;
+	capi_ctr_handle_message(&iif->ctr, ap->id, skb);
+}
+
+/*
+ * send a DISCONNECT_B3_IND message to an application
+ * Parameters: NCCI = 1, NCPI empty, Reason_B3 = 0
+ * does not sleep, clobbers the controller's hcmsg structure
+ */
+static void send_disconnect_b3_ind(struct bc_state *bcs,
+				   struct gigaset_capi_appl *ap)
+{
+	struct cardstate *cs = bcs->cs;
+	struct gigaset_capi_ctr *iif = cs->iif;
+	struct sk_buff *skb;
+
+	/* nothing to do if no logical connection active */
+	if (ap->connected < APCONN_ACTIVE)
+		return;
+	ap->connected = APCONN_SETUP;
+
+	capi_cmsg_header(&iif->hcmsg, ap->id, CAPI_DISCONNECT_B3, CAPI_IND,
+			 ap->nextMessageNumber++,
+			 iif->ctr.cnr | ((bcs->channel + 1) << 8) | (1 << 16));
+	skb = alloc_skb(CAPI_DISCONNECT_B3_IND_BASELEN, GFP_ATOMIC);
+	if (!skb) {
+		dev_err(cs->dev, "%s: out of memory\n", __func__);
+		return;
+	}
+	capi_cmsg2message(&iif->hcmsg,
+			  __skb_put(skb, CAPI_DISCONNECT_B3_IND_BASELEN));
+	dump_cmsg(DEBUG_CMD, __func__, &iif->hcmsg);
+	capi_ctr_handle_message(&iif->ctr, ap->id, skb);
+}
+
+/**
+ * gigaset_isdn_connD() - signal D channel connect
+ * @bcs:	B channel descriptor structure.
+ *
+ * Called by main module at tasklet level to notify the LL that the D channel
+ * connection has been established.
+ */
+void gigaset_isdn_connD(struct bc_state *bcs)
+{
+	struct cardstate *cs = bcs->cs;
+	struct gigaset_capi_ctr *iif = cs->iif;
+	struct gigaset_capi_appl *ap = bcs->ap;
+	struct sk_buff *skb;
+	unsigned int msgsize;
+
+	if (!ap) {
+		dev_err(cs->dev, "%s: no application\n", __func__);
+		return;
+	}
+	while (ap->bcnext) {
+		/* this should never happen */
+		dev_warn(cs->dev, "%s: dropping extra application %u\n",
+			 __func__, ap->bcnext->id);
+		send_disconnect_ind(bcs, ap->bcnext,
+				    CapiCallGivenToOtherApplication);
+		ap->bcnext = ap->bcnext->bcnext;
+	}
+	if (ap->connected == APCONN_NONE) {
+		dev_warn(cs->dev, "%s: application %u not connected\n",
+			 __func__, ap->id);
+		return;
+	}
+
+	/* prepare CONNECT_ACTIVE_IND message
+	 * Note: LLC not supported by device
+	 */
+	capi_cmsg_header(&iif->hcmsg, ap->id, CAPI_CONNECT_ACTIVE, CAPI_IND,
+			 ap->nextMessageNumber++,
+			 iif->ctr.cnr | ((bcs->channel + 1) << 8));
+
+	/* minimum size, all structs empty */
+	msgsize = CAPI_CONNECT_ACTIVE_IND_BASELEN;
+
+	/* ToDo: set parameter: Connected number
+	 * (requires ev-layer state machine extension to collect
+	 * ZCON device reply)
+	 */
+
+	/* build and emit CONNECT_ACTIVE_IND message */
+	skb = alloc_skb(msgsize, GFP_ATOMIC);
+	if (!skb) {
+		dev_err(cs->dev, "%s: out of memory\n", __func__);
+		return;
+	}
+	capi_cmsg2message(&iif->hcmsg, __skb_put(skb, msgsize));
+	dump_cmsg(DEBUG_CMD, __func__, &iif->hcmsg);
+	capi_ctr_handle_message(&iif->ctr, ap->id, skb);
+}
+
+/**
+ * gigaset_isdn_hupD() - signal D channel hangup
+ * @bcs:	B channel descriptor structure.
+ *
+ * Called by main module at tasklet level to notify the LL that the D channel
+ * connection has been shut down.
+ */
+void gigaset_isdn_hupD(struct bc_state *bcs)
+{
+	struct gigaset_capi_appl *ap;
+
+	/*
+	 * ToDo: pass on reason code reported by device
+	 * (requires ev-layer state machine extension to collect
+	 * ZCAU device reply)
+	 */
+	for (ap = bcs->ap; ap != NULL; ap = ap->bcnext) {
+		send_disconnect_b3_ind(bcs, ap);
+		send_disconnect_ind(bcs, ap, 0);
+	}
+	bcs->ap = NULL;
+}
+
+/**
+ * gigaset_isdn_connB() - signal B channel connect
+ * @bcs:	B channel descriptor structure.
+ *
+ * Called by main module at tasklet level to notify the LL that the B channel
+ * connection has been established.
+ */
+void gigaset_isdn_connB(struct bc_state *bcs)
+{
+	struct cardstate *cs = bcs->cs;
+	struct gigaset_capi_ctr *iif = cs->iif;
+	struct gigaset_capi_appl *ap = bcs->ap;
+	struct sk_buff *skb;
+	unsigned int msgsize;
+	u8 command;
+
+	if (!ap) {
+		dev_err(cs->dev, "%s: no application\n", __func__);
+		return;
+	}
+	while (ap->bcnext) {
+		/* this should never happen */
+		dev_warn(cs->dev, "%s: dropping extra application %u\n",
+			 __func__, ap->bcnext->id);
+		send_disconnect_ind(bcs, ap->bcnext,
+				    CapiCallGivenToOtherApplication);
+		ap->bcnext = ap->bcnext->bcnext;
+	}
+	if (!ap->connected) {
+		dev_warn(cs->dev, "%s: application %u not connected\n",
+			 __func__, ap->id);
+		return;
+	}
+
+	/*
+	 * emit CONNECT_B3_ACTIVE_IND if we already got CONNECT_B3_REQ;
+	 * otherwise we have to emit CONNECT_B3_IND first, and follow up with
+	 * CONNECT_B3_ACTIVE_IND in reply to CONNECT_B3_RESP
+	 * Parameters in both cases always: NCCI = 1, NCPI empty
+	 */
+	if (ap->connected >= APCONN_ACTIVE) {
+		command = CAPI_CONNECT_B3_ACTIVE;
+		msgsize = CAPI_CONNECT_B3_ACTIVE_IND_BASELEN;
+	} else {
+		command = CAPI_CONNECT_B3;
+		msgsize = CAPI_CONNECT_B3_IND_BASELEN;
+	}
+	capi_cmsg_header(&iif->hcmsg, ap->id, command, CAPI_IND,
+			 ap->nextMessageNumber++,
+			 iif->ctr.cnr | ((bcs->channel + 1) << 8) | (1 << 16));
+	skb = alloc_skb(msgsize, GFP_ATOMIC);
+	if (!skb) {
+		dev_err(cs->dev, "%s: out of memory\n", __func__);
+		return;
+	}
+	capi_cmsg2message(&iif->hcmsg, __skb_put(skb, msgsize));
+	dump_cmsg(DEBUG_CMD, __func__, &iif->hcmsg);
+	ap->connected = APCONN_ACTIVE;
+	capi_ctr_handle_message(&iif->ctr, ap->id, skb);
+}
+
+/**
+ * gigaset_isdn_hupB() - signal B channel hangup
+ * @bcs:	B channel descriptor structure.
+ *
+ * Called by main module to notify the LL that the B channel connection has
+ * been shut down.
+ */
+void gigaset_isdn_hupB(struct bc_state *bcs)
+{
+	struct cardstate *cs = bcs->cs;
+	struct gigaset_capi_appl *ap = bcs->ap;
+
+	/* ToDo: assure order of DISCONNECT_B3_IND and DISCONNECT_IND ? */
+
+	if (!ap) {
+		dev_err(cs->dev, "%s: no application\n", __func__);
+		return;
+	}
+
+	send_disconnect_b3_ind(bcs, ap);
+}
+
+/**
+ * gigaset_isdn_start() - signal device availability
+ * @cs:		device descriptor structure.
+ *
+ * Called by main module to notify the LL that the device is available for
+ * use.
+ */
+void gigaset_isdn_start(struct cardstate *cs)
+{
+	struct gigaset_capi_ctr *iif = cs->iif;
+
+	/* fill profile data: manufacturer name */
+	strcpy(iif->ctr.manu, "Siemens");
+	/* CAPI and device version */
+	iif->ctr.version.majorversion = 2;		/* CAPI 2.0 */
+	iif->ctr.version.minorversion = 0;
+	/* ToDo: check/assert cs->gotfwver? */
+	iif->ctr.version.majormanuversion = cs->fwver[0];
+	iif->ctr.version.minormanuversion = cs->fwver[1];
+	/* number of B channels supported */
+	iif->ctr.profile.nbchannel = cs->channels;
+	/* global options: internal controller, supplementary services */
+	iif->ctr.profile.goptions = 0x11;
+	/* B1 protocols: 64 kbit/s HDLC or transparent */
+	iif->ctr.profile.support1 =  0x03;
+	/* B2 protocols: transparent only */
+	/* ToDo: X.75 SLP ? */
+	iif->ctr.profile.support2 =  0x02;
+	/* B3 protocols: transparent only */
+	iif->ctr.profile.support3 =  0x01;
+	/* no serial number */
+	strcpy(iif->ctr.serial, "0");
+	capi_ctr_ready(&iif->ctr);
+}
+
+/**
+ * gigaset_isdn_stop() - signal device unavailability
+ * @cs:		device descriptor structure.
+ *
+ * Called by main module to notify the LL that the device is no longer
+ * available for use.
+ */
+void gigaset_isdn_stop(struct cardstate *cs)
+{
+	struct gigaset_capi_ctr *iif = cs->iif;
+	capi_ctr_down(&iif->ctr);
+}
+
+/*
+ * kernel CAPI callback methods
+ * ============================
+ */
+
+/*
+ * load firmware
+ */
+static int gigaset_load_firmware(struct capi_ctr *ctr, capiloaddata *data)
+{
+	struct cardstate *cs = ctr->driverdata;
+
+	/* AVM specific operation, not needed for Gigaset -- ignore */
+	dev_notice(cs->dev, "load_firmware ignored\n");
+
+	return 0;
+}
+
+/*
+ * reset (deactivate) controller
+ */
+static void gigaset_reset_ctr(struct capi_ctr *ctr)
+{
+	struct cardstate *cs = ctr->driverdata;
+
+	/* AVM specific operation, not needed for Gigaset -- ignore */
+	dev_notice(cs->dev, "reset_ctr ignored\n");
+}
+
+/*
+ * register CAPI application
+ */
+static void gigaset_register_appl(struct capi_ctr *ctr, u16 appl,
+			   capi_register_params *rp)
+{
+	struct gigaset_capi_ctr *iif
+		= container_of(ctr, struct gigaset_capi_ctr, ctr);
+	struct cardstate *cs = ctr->driverdata;
+	struct gigaset_capi_appl *ap;
+
+	list_for_each_entry(ap, &iif->appls, ctrlist)
+		if (ap->id == appl) {
+			dev_notice(cs->dev,
+				   "application %u already registered\n", appl);
+			return;
+		}
+
+	ap = kzalloc(sizeof(*ap), GFP_KERNEL);
+	if (!ap) {
+		dev_err(cs->dev, "%s: out of memory\n", __func__);
+		return;
+	}
+	ap->id = appl;
+
+	list_add(&ap->ctrlist, &iif->appls);
+}
+
+/*
+ * release CAPI application
+ */
+static void gigaset_release_appl(struct capi_ctr *ctr, u16 appl)
+{
+	struct gigaset_capi_ctr *iif
+		= container_of(ctr, struct gigaset_capi_ctr, ctr);
+	struct cardstate *cs = iif->ctr.driverdata;
+	struct gigaset_capi_appl *ap, *tmp;
+
+	list_for_each_entry_safe(ap, tmp, &iif->appls, ctrlist)
+		if (ap->id == appl) {
+			if (ap->connected != APCONN_NONE) {
+				dev_err(cs->dev,
+					"%s: application %u still connected\n",
+					__func__, ap->id);
+				/* ToDo: clear active connection */
+			}
+			list_del(&ap->ctrlist);
+			kfree(ap);
+		}
+
+}
+
+/*
+ * =====================================================================
+ * outgoing CAPI message handler
+ * =====================================================================
+ */
+
+/*
+ * helper function: emit reply message with given Info value
+ */
+static void send_conf(struct gigaset_capi_ctr *iif,
+		      struct gigaset_capi_appl *ap,
+		      struct sk_buff *skb,
+		      u16 info)
+{
+	/*
+	 * _CONF replies always only have NCCI and Info parameters
+	 * so they'll fit into the _REQ message skb
+	 */
+	capi_cmsg_answer(&iif->acmsg);
+	iif->acmsg.Info = info;
+	capi_cmsg2message(&iif->acmsg, skb->data);
+	__skb_trim(skb, CAPI_STDCONF_LEN);
+	dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg);
+	capi_ctr_handle_message(&iif->ctr, ap->id, skb);
+}
+
+/*
+ * process FACILITY_REQ message
+ */
+static void do_facility_req(struct gigaset_capi_ctr *iif,
+			    struct gigaset_capi_appl *ap,
+			    struct sk_buff *skb)
+{
+	struct cardstate *cs = iif->ctr.driverdata;
+	struct sk_buff *cskb;
+	u8 *pparam;
+	unsigned int msgsize = CAPI_FACILITY_CONF_BASELEN;
+	u16 function, info;
+	static u8 confparam[10];	/* max. 9 octets + length byte */
+
+	/* decode message */
+	capi_message2cmsg(&iif->acmsg, skb->data);
+	dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg);
+
+	/*
+	 * Facility Request Parameter is not decoded by capi_message2cmsg()
+	 * encoding depends on Facility Selector
+	 */
+	switch (iif->acmsg.FacilitySelector) {
+	case CAPI_FACILITY_DTMF:	/* ToDo */
+		info = CapiFacilityNotSupported;
+		confparam[0] = 2;	/* length */
+		/* DTMF information: Unknown DTMF request */
+		capimsg_setu16(confparam, 1, 2);
+		break;
+
+	case CAPI_FACILITY_V42BIS:	/* not supported */
+		info = CapiFacilityNotSupported;
+		confparam[0] = 2;	/* length */
+		/* V.42 bis information: not available */
+		capimsg_setu16(confparam, 1, 1);
+		break;
+
+	case CAPI_FACILITY_SUPPSVC:
+		/* decode Function parameter */
+		pparam = iif->acmsg.FacilityRequestParameter;
+		if (pparam == NULL || *pparam < 2) {
+			dev_notice(cs->dev, "%s: %s missing\n", "FACILITY_REQ",
+				   "Facility Request Parameter");
+			send_conf(iif, ap, skb, CapiIllMessageParmCoding);
+			return;
+		}
+		function = CAPIMSG_U16(pparam, 1);
+		switch (function) {
+		case CAPI_SUPPSVC_GETSUPPORTED:
+			info = CapiSuccess;
+			/* Supplementary Service specific parameter */
+			confparam[3] = 6;	/* length */
+			/* Supplementary services info: Success */
+			capimsg_setu16(confparam, 4, CapiSuccess);
+			/* Supported Services: none */
+			capimsg_setu32(confparam, 6, 0);
+			break;
+		/* ToDo: add supported services */
+		default:
+			info = CapiFacilitySpecificFunctionNotSupported;
+			/* Supplementary Service specific parameter */
+			confparam[3] = 2;	/* length */
+			/* Supplementary services info: not supported */
+			capimsg_setu16(confparam, 4,
+				       CapiSupplementaryServiceNotSupported);
+		}
+
+		/* Facility confirmation parameter */
+		confparam[0] = confparam[3] + 3;	/* total length */
+		/* Function: copy from _REQ message */
+		capimsg_setu16(confparam, 1, function);
+		/* Supplementary Service specific parameter already set above */
+		break;
+
+	case CAPI_FACILITY_WAKEUP:	/* ToDo */
+		info = CapiFacilityNotSupported;
+		confparam[0] = 2;	/* length */
+		/* Number of accepted awake request parameters: 0 */
+		capimsg_setu16(confparam, 1, 0);
+		break;
+
+	default:
+		info = CapiFacilityNotSupported;
+		confparam[0] = 0;	/* empty struct */
+	}
+
+	/* send FACILITY_CONF with given Info and confirmation parameter */
+	capi_cmsg_answer(&iif->acmsg);
+	iif->acmsg.Info = info;
+	iif->acmsg.FacilityConfirmationParameter = confparam;
+	msgsize += confparam[0];	/* length */
+	cskb = alloc_skb(msgsize, GFP_ATOMIC);
+	if (!cskb) {
+		dev_err(cs->dev, "%s: out of memory\n", __func__);
+		return;
+	}
+	capi_cmsg2message(&iif->acmsg, __skb_put(cskb, msgsize));
+	dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg);
+		capi_ctr_handle_message(&iif->ctr, ap->id, cskb);
+}
+
+
+/*
+ * process LISTEN_REQ message
+ * just store the masks in the application data structure
+ */
+static void do_listen_req(struct gigaset_capi_ctr *iif,
+			  struct gigaset_capi_appl *ap,
+			  struct sk_buff *skb)
+{
+	/* decode message */
+	capi_message2cmsg(&iif->acmsg, skb->data);
+	dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg);
+
+	/* store listening parameters */
+	ap->listenInfoMask = iif->acmsg.InfoMask;
+	ap->listenCIPmask = iif->acmsg.CIPmask;
+	send_conf(iif, ap, skb, CapiSuccess);
+}
+
+/*
+ * process ALERT_REQ message
+ * nothing to do, Gigaset always alerts anyway
+ */
+static void do_alert_req(struct gigaset_capi_ctr *iif,
+			 struct gigaset_capi_appl *ap,
+			 struct sk_buff *skb)
+{
+	/* decode message */
+	capi_message2cmsg(&iif->acmsg, skb->data);
+	dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg);
+	send_conf(iif, ap, skb, CapiAlertAlreadySent);
+}
+
+/*
+ * process CONNECT_REQ message
+ * allocate a B channel, prepare dial commands, queue a DIAL event,
+ * emit CONNECT_CONF reply
+ */
+static void do_connect_req(struct gigaset_capi_ctr *iif,
+			   struct gigaset_capi_appl *ap,
+			   struct sk_buff *skb)
+{
+	struct cardstate *cs = iif->ctr.driverdata;
+	_cmsg *cmsg = &iif->acmsg;
+	struct bc_state *bcs;
+	char **commands;
+	char *s;
+	u8 *pp;
+	int i, l;
+	u16 info;
+
+	/* decode message */
+	capi_message2cmsg(&iif->acmsg, skb->data);
+	dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg);
+
+	/* get free B channel & construct PLCI */
+	bcs = gigaset_get_free_channel(cs);
+	if (!bcs) {
+		dev_notice(cs->dev, "%s: no B channel available\n",
+			   "CONNECT_REQ");
+		send_conf(iif, ap, skb, CapiNoPlciAvailable);
+		return;
+	}
+	ap->bcnext = NULL;
+	bcs->ap = ap;
+	cmsg->adr.adrPLCI |= (bcs->channel + 1) << 8;
+
+	/* build command table */
+	commands = kzalloc(AT_NUM*(sizeof *commands), GFP_KERNEL);
+	if (!commands)
+		goto oom;
+
+	/* encode parameter: Called party number */
+	pp = cmsg->CalledPartyNumber;
+	if (pp == NULL || *pp == 0) {
+		dev_notice(cs->dev, "%s: %s missing\n",
+			   "CONNECT_REQ", "Called party number");
+		info = CapiIllMessageParmCoding;
+		goto error;
+	}
+	l = *pp++;
+	/* check type of number/numbering plan byte */
+	switch (*pp) {
+	case 0x80:	/* unknown type / unknown numbering plan */
+	case 0x81:	/* unknown type / ISDN/Telephony numbering plan */
+		break;
+	default:	/* others: warn about potential misinterpretation */
+		dev_notice(cs->dev, "%s: %s type/plan 0x%02x unsupported\n",
+			   "CONNECT_REQ", "Called party number", *pp);
+	}
+	pp++;
+	l--;
+	/* translate "**" internal call prefix to CTP value */
+	if (l >= 2 && pp[0] == '*' && pp[1] == '*') {
+		s = "^SCTP=0\r";
+		pp += 2;
+		l -= 2;
+	} else {
+		s = "^SCTP=1\r";
+	}
+	commands[AT_TYPE] = kstrdup(s, GFP_KERNEL);
+	if (!commands[AT_TYPE])
+		goto oom;
+	commands[AT_DIAL] = kmalloc(l+3, GFP_KERNEL);
+	if (!commands[AT_DIAL])
+		goto oom;
+	snprintf(commands[AT_DIAL], l+3, "D%*s\r", l, pp);
+
+	/* encode parameter: Calling party number */
+	pp = cmsg->CallingPartyNumber;
+	if (pp != NULL && *pp > 0) {
+		l = *pp++;
+
+		/* check type of number/numbering plan byte */
+		/* ToDo: allow for/handle Ext=1? */
+		switch (*pp) {
+		case 0x00:	/* unknown type / unknown numbering plan */
+		case 0x01:	/* unknown type / ISDN/Telephony num. plan */
+			break;
+		default:
+			dev_notice(cs->dev,
+				   "%s: %s type/plan 0x%02x unsupported\n",
+				   "CONNECT_REQ", "Calling party number", *pp);
+		}
+		pp++;
+		l--;
+
+		/* check presentation indicator */
+		if (!l) {
+			dev_notice(cs->dev, "%s: %s IE truncated\n",
+				   "CONNECT_REQ", "Calling party number");
+			info = CapiIllMessageParmCoding;
+			goto error;
+		}
+		switch (*pp & 0xfc) { /* ignore Screening indicator */
+		case 0x80:	/* Presentation allowed */
+			s = "^SCLIP=1\r";
+			break;
+		case 0xa0:	/* Presentation restricted */
+			s = "^SCLIP=0\r";
+			break;
+		default:
+			dev_notice(cs->dev, "%s: invalid %s 0x%02x\n",
+				   "CONNECT_REQ",
+				   "Presentation/Screening indicator",
+				   *pp);
+			s = "^SCLIP=1\r";
+		}
+		commands[AT_CLIP] = kstrdup(s, GFP_KERNEL);
+		if (!commands[AT_CLIP])
+			goto oom;
+		pp++;
+		l--;
+
+		if (l) {
+			/* number */
+			commands[AT_MSN] = kmalloc(l+8, GFP_KERNEL);
+			if (!commands[AT_MSN])
+				goto oom;
+			snprintf(commands[AT_MSN], l+8, "^SMSN=%*s\r", l, pp);
+		}
+	}
+
+	/* check parameter: CIP Value */
+	if (cmsg->CIPValue > ARRAY_SIZE(cip2bchlc) ||
+	    (cmsg->CIPValue > 0 && cip2bchlc[cmsg->CIPValue].bc == NULL)) {
+		dev_notice(cs->dev, "%s: unknown CIP value %d\n",
+			   "CONNECT_REQ", cmsg->CIPValue);
+		info = CapiCipValueUnknown;
+		goto error;
+	}
+
+	/* check/encode parameter: BC */
+	if (cmsg->BC && cmsg->BC[0]) {
+		/* explicit BC overrides CIP */
+		l = 2*cmsg->BC[0] + 7;
+		commands[AT_BC] = kmalloc(l, GFP_KERNEL);
+		if (!commands[AT_BC])
+			goto oom;
+		strcpy(commands[AT_BC], "^SBC=");
+		decode_ie(cmsg->BC, commands[AT_BC]+5);
+		strcpy(commands[AT_BC] + l - 2, "\r");
+	} else if (cip2bchlc[cmsg->CIPValue].bc) {
+		l = strlen(cip2bchlc[cmsg->CIPValue].bc) + 7;
+		commands[AT_BC] = kmalloc(l, GFP_KERNEL);
+		if (!commands[AT_BC])
+			goto oom;
+		snprintf(commands[AT_BC], l, "^SBC=%s\r",
+			 cip2bchlc[cmsg->CIPValue].bc);
+	}
+
+	/* check/encode parameter: HLC */
+	if (cmsg->HLC && cmsg->HLC[0]) {
+		/* explicit HLC overrides CIP */
+		l = 2*cmsg->HLC[0] + 7;
+		commands[AT_HLC] = kmalloc(l, GFP_KERNEL);
+		if (!commands[AT_HLC])
+			goto oom;
+		strcpy(commands[AT_HLC], "^SHLC=");
+		decode_ie(cmsg->HLC, commands[AT_HLC]+5);
+		strcpy(commands[AT_HLC] + l - 2, "\r");
+	} else if (cip2bchlc[cmsg->CIPValue].hlc) {
+		l = strlen(cip2bchlc[cmsg->CIPValue].hlc) + 7;
+		commands[AT_HLC] = kmalloc(l, GFP_KERNEL);
+		if (!commands[AT_HLC])
+			goto oom;
+		snprintf(commands[AT_HLC], l, "^SHLC=%s\r",
+			 cip2bchlc[cmsg->CIPValue].hlc);
+	}
+
+	/* check/encode parameter: B Protocol */
+	if (cmsg->BProtocol == CAPI_DEFAULT) {
+		bcs->proto2 = L2_HDLC;
+		dev_warn(cs->dev,
+		    "B2 Protocol X.75 SLP unsupported, using Transparent\n");
+	} else {
+		switch (cmsg->B1protocol) {
+		case 0:
+			bcs->proto2 = L2_HDLC;
+			break;
+		case 1:
+			bcs->proto2 = L2_BITSYNC;
+			break;
+		default:
+			dev_warn(cs->dev,
+			    "B1 Protocol %u unsupported, using Transparent\n",
+				 cmsg->B1protocol);
+			bcs->proto2 = L2_BITSYNC;
+		}
+		if (cmsg->B2protocol != 1)
+			dev_warn(cs->dev,
+			    "B2 Protocol %u unsupported, using Transparent\n",
+				 cmsg->B2protocol);
+		if (cmsg->B3protocol != 0)
+			dev_warn(cs->dev,
+			    "B3 Protocol %u unsupported, using Transparent\n",
+				 cmsg->B3protocol);
+		ignore_cstruct_param(cs, cmsg->B1configuration,
+					"CONNECT_REQ", "B1 Configuration");
+		ignore_cstruct_param(cs, cmsg->B2configuration,
+					"CONNECT_REQ", "B2 Configuration");
+		ignore_cstruct_param(cs, cmsg->B3configuration,
+					"CONNECT_REQ", "B3 Configuration");
+	}
+	commands[AT_PROTO] = kmalloc(9, GFP_KERNEL);
+	if (!commands[AT_PROTO])
+		goto oom;
+	snprintf(commands[AT_PROTO], 9, "^SBPR=%u\r", bcs->proto2);
+
+	/* ToDo: check/encode remaining parameters */
+	ignore_cstruct_param(cs, cmsg->CalledPartySubaddress,
+					"CONNECT_REQ", "Called pty subaddr");
+	ignore_cstruct_param(cs, cmsg->CallingPartySubaddress,
+					"CONNECT_REQ", "Calling pty subaddr");
+	ignore_cstruct_param(cs, cmsg->LLC,
+					"CONNECT_REQ", "LLC");
+	ignore_cmstruct_param(cs, cmsg->AdditionalInfo,
+					"CONNECT_REQ", "Additional Info");
+
+	/* encode parameter: B channel to use */
+	commands[AT_ISO] = kmalloc(9, GFP_KERNEL);
+	if (!commands[AT_ISO])
+		goto oom;
+	snprintf(commands[AT_ISO], 9, "^SISO=%u\r",
+		 (unsigned) bcs->channel + 1);
+
+	/* queue & schedule EV_DIAL event */
+	if (!gigaset_add_event(cs, &bcs->at_state, EV_DIAL, commands,
+			       bcs->at_state.seq_index, NULL))
+		goto oom;
+	gig_dbg(DEBUG_CMD, "scheduling DIAL");
+	gigaset_schedule_event(cs);
+	ap->connected = APCONN_SETUP;
+	send_conf(iif, ap, skb, CapiSuccess);
+	return;
+
+oom:
+	dev_err(cs->dev, "%s: out of memory\n", __func__);
+	info = CAPI_MSGOSRESOURCEERR;
+error:
+	if (commands)
+		for (i = 0; i < AT_NUM; i++)
+			kfree(commands[i]);
+	kfree(commands);
+	gigaset_free_channel(bcs);
+	send_conf(iif, ap, skb, info);
+}
+
+/*
+ * process CONNECT_RESP message
+ * checks protocol parameters and queues an ACCEPT or HUP event
+ */
+static void do_connect_resp(struct gigaset_capi_ctr *iif,
+			    struct gigaset_capi_appl *ap,
+			    struct sk_buff *skb)
+{
+	struct cardstate *cs = iif->ctr.driverdata;
+	_cmsg *cmsg = &iif->acmsg;
+	struct bc_state *bcs;
+	struct gigaset_capi_appl *oap;
+	int channel;
+
+	/* decode message */
+	capi_message2cmsg(&iif->acmsg, skb->data);
+	dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg);
+	dev_kfree_skb(skb);
+
+	/* extract and check channel number from PLCI */
+	channel = (cmsg->adr.adrPLCI >> 8) & 0xff;
+	if (!channel || channel > cs->channels) {
+		dev_notice(cs->dev, "%s: invalid %s 0x%02x\n",
+			   "CONNECT_RESP", "PLCI", cmsg->adr.adrPLCI);
+		return;
+	}
+	bcs = cs->bcs + channel - 1;
+
+	switch (cmsg->Reject) {
+	case 0:		/* Accept */
+		/* drop all competing applications, keep only this one */
+		for (oap = bcs->ap; oap != NULL; oap = oap->bcnext)
+			if (oap != ap)
+				send_disconnect_ind(bcs, oap,
+					CapiCallGivenToOtherApplication);
+		ap->bcnext = NULL;
+		bcs->ap = ap;
+		bcs->chstate |= CHS_NOTIFY_LL;
+
+		/* check/encode B channel protocol */
+		if (cmsg->BProtocol == CAPI_DEFAULT) {
+			bcs->proto2 = L2_HDLC;
+			dev_warn(cs->dev,
+		"B2 Protocol X.75 SLP unsupported, using Transparent\n");
+		} else {
+			switch (cmsg->B1protocol) {
+			case 0:
+				bcs->proto2 = L2_HDLC;
+				break;
+			case 1:
+				bcs->proto2 = L2_BITSYNC;
+				break;
+			default:
+				dev_warn(cs->dev,
+			"B1 Protocol %u unsupported, using Transparent\n",
+					 cmsg->B1protocol);
+				bcs->proto2 = L2_BITSYNC;
+			}
+			if (cmsg->B2protocol != 1)
+				dev_warn(cs->dev,
+			"B2 Protocol %u unsupported, using Transparent\n",
+					 cmsg->B2protocol);
+			if (cmsg->B3protocol != 0)
+				dev_warn(cs->dev,
+			"B3 Protocol %u unsupported, using Transparent\n",
+					 cmsg->B3protocol);
+			ignore_cstruct_param(cs, cmsg->B1configuration,
+					"CONNECT_RESP", "B1 Configuration");
+			ignore_cstruct_param(cs, cmsg->B2configuration,
+					"CONNECT_RESP", "B2 Configuration");
+			ignore_cstruct_param(cs, cmsg->B3configuration,
+					"CONNECT_RESP", "B3 Configuration");
+		}
+
+		/* ToDo: check/encode remaining parameters */
+		ignore_cstruct_param(cs, cmsg->ConnectedNumber,
+					"CONNECT_RESP", "Connected Number");
+		ignore_cstruct_param(cs, cmsg->ConnectedSubaddress,
+					"CONNECT_RESP", "Connected Subaddress");
+		ignore_cstruct_param(cs, cmsg->LLC,
+					"CONNECT_RESP", "LLC");
+		ignore_cmstruct_param(cs, cmsg->AdditionalInfo,
+					"CONNECT_RESP", "Additional Info");
+
+		/* Accept call */
+		if (!gigaset_add_event(cs, &cs->bcs[channel-1].at_state,
+				       EV_ACCEPT, NULL, 0, NULL))
+			return;
+		gig_dbg(DEBUG_CMD, "scheduling ACCEPT");
+		gigaset_schedule_event(cs);
+		return;
+
+	case 1:			/* Ignore */
+		/* send DISCONNECT_IND to this application */
+		send_disconnect_ind(bcs, ap, 0);
+
+		/* remove it from the list of listening apps */
+		if (bcs->ap == ap) {
+			bcs->ap = ap->bcnext;
+			if (bcs->ap == NULL)
+				/* last one: stop ev-layer hupD notifications */
+				bcs->chstate &= ~CHS_NOTIFY_LL;
+			return;
+		}
+		for (oap = bcs->ap; oap != NULL; oap = oap->bcnext) {
+			if (oap->bcnext == ap) {
+				oap->bcnext = oap->bcnext->bcnext;
+				return;
+			}
+		}
+		dev_err(cs->dev, "%s: application %u not found\n",
+			__func__, ap->id);
+		return;
+
+	default:		/* Reject */
+		/* drop all competing applications, keep only this one */
+		for (oap = bcs->ap; oap != NULL; oap = oap->bcnext)
+			if (oap != ap)
+				send_disconnect_ind(bcs, oap,
+					CapiCallGivenToOtherApplication);
+		ap->bcnext = NULL;
+		bcs->ap = ap;
+
+		/* reject call - will trigger DISCONNECT_IND for this app */
+		dev_info(cs->dev, "%s: Reject=%x\n",
+			 "CONNECT_RESP", cmsg->Reject);
+		if (!gigaset_add_event(cs, &cs->bcs[channel-1].at_state,
+				       EV_HUP, NULL, 0, NULL))
+			return;
+		gig_dbg(DEBUG_CMD, "scheduling HUP");
+		gigaset_schedule_event(cs);
+		return;
+	}
+}
+
+/*
+ * process CONNECT_B3_REQ message
+ * build NCCI and emit CONNECT_B3_CONF reply
+ */
+static void do_connect_b3_req(struct gigaset_capi_ctr *iif,
+			      struct gigaset_capi_appl *ap,
+			      struct sk_buff *skb)
+{
+	struct cardstate *cs = iif->ctr.driverdata;
+	int channel;
+
+	/* decode message */
+	capi_message2cmsg(&iif->acmsg, skb->data);
+	dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg);
+
+	/* extract and check channel number from PLCI */
+	channel = (iif->acmsg.adr.adrPLCI >> 8) & 0xff;
+	if (!channel || channel > cs->channels) {
+		dev_notice(cs->dev, "%s: invalid %s 0x%02x\n",
+			   "CONNECT_B3_REQ", "PLCI", iif->acmsg.adr.adrPLCI);
+		send_conf(iif, ap, skb, CapiIllContrPlciNcci);
+		return;
+	}
+
+	/* mark logical connection active */
+	ap->connected = APCONN_ACTIVE;
+
+	/* build NCCI: always 1 (one B3 connection only) */
+	iif->acmsg.adr.adrNCCI |= 1 << 16;
+
+	/* NCPI parameter: not applicable for B3 Transparent */
+	ignore_cstruct_param(cs, iif->acmsg.NCPI,
+				"CONNECT_B3_REQ", "NCPI");
+	send_conf(iif, ap, skb,
+		  (iif->acmsg.NCPI && iif->acmsg.NCPI[0]) ?
+			CapiNcpiNotSupportedByProtocol : CapiSuccess);
+}
+
+/*
+ * process CONNECT_B3_RESP message
+ * Depending on the Reject parameter, either emit CONNECT_B3_ACTIVE_IND
+ * or queue EV_HUP and emit DISCONNECT_B3_IND.
+ * The emitted message is always shorter than the received one,
+ * allowing to reuse the skb.
+ */
+static void do_connect_b3_resp(struct gigaset_capi_ctr *iif,
+			       struct gigaset_capi_appl *ap,
+			       struct sk_buff *skb)
+{
+	struct cardstate *cs = iif->ctr.driverdata;
+	struct bc_state *bcs = NULL;
+	int channel;
+	unsigned int msgsize;
+	u8 command;
+
+	/* decode message */
+	capi_message2cmsg(&iif->acmsg, skb->data);
+	dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg);
+
+	/* extract and check channel number and NCCI */
+	channel = (iif->acmsg.adr.adrNCCI >> 8) & 0xff;
+	if (!channel || channel > cs->channels ||
+	    ((iif->acmsg.adr.adrNCCI >> 16) & 0xffff) != 1) {
+		dev_notice(cs->dev, "%s: invalid %s 0x%02x\n",
+			   "CONNECT_B3_RESP", "NCCI", iif->acmsg.adr.adrNCCI);
+		dev_kfree_skb(skb);
+		return;
+	}
+	bcs = &cs->bcs[channel-1];
+
+	if (iif->acmsg.Reject) {
+		/* Reject: clear B3 connect received flag */
+		ap->connected = APCONN_SETUP;
+
+		/* trigger hangup, causing eventual DISCONNECT_IND */
+		if (!gigaset_add_event(cs, &bcs->at_state,
+				       EV_HUP, NULL, 0, NULL)) {
+			dev_err(cs->dev, "%s: out of memory\n", __func__);
+			dev_kfree_skb(skb);
+			return;
+		}
+		gig_dbg(DEBUG_CMD, "scheduling HUP");
+		gigaset_schedule_event(cs);
+
+		/* emit DISCONNECT_B3_IND */
+		command = CAPI_DISCONNECT_B3;
+		msgsize = CAPI_DISCONNECT_B3_IND_BASELEN;
+	} else {
+		/*
+		 * Accept: emit CONNECT_B3_ACTIVE_IND immediately, as
+		 * we only send CONNECT_B3_IND if the B channel is up
+		 */
+		command = CAPI_CONNECT_B3_ACTIVE;
+		msgsize = CAPI_CONNECT_B3_ACTIVE_IND_BASELEN;
+	}
+	capi_cmsg_header(&iif->acmsg, ap->id, command, CAPI_IND,
+			 ap->nextMessageNumber++, iif->acmsg.adr.adrNCCI);
+	__skb_trim(skb, msgsize);
+	capi_cmsg2message(&iif->acmsg, skb->data);
+	dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg);
+	capi_ctr_handle_message(&iif->ctr, ap->id, skb);
+}
+
+/*
+ * process DISCONNECT_REQ message
+ * schedule EV_HUP and emit DISCONNECT_B3_IND if necessary,
+ * emit DISCONNECT_CONF reply
+ */
+static void do_disconnect_req(struct gigaset_capi_ctr *iif,
+			      struct gigaset_capi_appl *ap,
+			      struct sk_buff *skb)
+{
+	struct cardstate *cs = iif->ctr.driverdata;
+	struct bc_state *bcs;
+	_cmsg *b3cmsg;
+	struct sk_buff *b3skb;
+	int channel;
+
+	/* decode message */
+	capi_message2cmsg(&iif->acmsg, skb->data);
+	dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg);
+
+	/* extract and check channel number from PLCI */
+	channel = (iif->acmsg.adr.adrPLCI >> 8) & 0xff;
+	if (!channel || channel > cs->channels) {
+		dev_notice(cs->dev, "%s: invalid %s 0x%02x\n",
+			   "DISCONNECT_REQ", "PLCI", iif->acmsg.adr.adrPLCI);
+		send_conf(iif, ap, skb, CapiIllContrPlciNcci);
+		return;
+	}
+	bcs = cs->bcs + channel - 1;
+
+	/* ToDo: process parameter: Additional info */
+	ignore_cmstruct_param(cs, iif->acmsg.AdditionalInfo,
+			      "DISCONNECT_REQ", "Additional Info");
+
+	/* skip if DISCONNECT_IND already sent */
+	if (!ap->connected)
+		return;
+
+	/* check for active logical connection */
+	if (ap->connected >= APCONN_ACTIVE) {
+		/*
+		 * emit DISCONNECT_B3_IND with cause 0x3301
+		 * use separate cmsg structure, as the content of iif->acmsg
+		 * is still needed for creating the _CONF message
+		 */
+		b3cmsg = kmalloc(sizeof(*b3cmsg), GFP_KERNEL);
+		if (!b3cmsg) {
+			dev_err(cs->dev, "%s: out of memory\n", __func__);
+			send_conf(iif, ap, skb, CAPI_MSGOSRESOURCEERR);
+			return;
+		}
+		capi_cmsg_header(b3cmsg, ap->id, CAPI_DISCONNECT_B3, CAPI_IND,
+				 ap->nextMessageNumber++,
+				 iif->acmsg.adr.adrPLCI | (1 << 16));
+		b3cmsg->Reason_B3 = CapiProtocolErrorLayer1;
+		b3skb = alloc_skb(CAPI_DISCONNECT_B3_IND_BASELEN, GFP_KERNEL);
+		if (b3skb == NULL) {
+			dev_err(cs->dev, "%s: out of memory\n", __func__);
+			send_conf(iif, ap, skb, CAPI_MSGOSRESOURCEERR);
+			return;
+		}
+		capi_cmsg2message(b3cmsg,
+			__skb_put(b3skb, CAPI_DISCONNECT_B3_IND_BASELEN));
+		kfree(b3cmsg);
+		capi_ctr_handle_message(&iif->ctr, ap->id, b3skb);
+	}
+
+	/* trigger hangup, causing eventual DISCONNECT_IND */
+	if (!gigaset_add_event(cs, &bcs->at_state, EV_HUP, NULL, 0, NULL)) {
+		dev_err(cs->dev, "%s: out of memory\n", __func__);
+		send_conf(iif, ap, skb, CAPI_MSGOSRESOURCEERR);
+		return;
+	}
+	gig_dbg(DEBUG_CMD, "scheduling HUP");
+	gigaset_schedule_event(cs);
+
+	/* emit reply */
+	send_conf(iif, ap, skb, CapiSuccess);
+}
+
+/*
+ * process DISCONNECT_B3_REQ message
+ * schedule EV_HUP and emit DISCONNECT_B3_CONF reply
+ */
+static void do_disconnect_b3_req(struct gigaset_capi_ctr *iif,
+				 struct gigaset_capi_appl *ap,
+				 struct sk_buff *skb)
+{
+	struct cardstate *cs = iif->ctr.driverdata;
+	int channel;
+
+	/* decode message */
+	capi_message2cmsg(&iif->acmsg, skb->data);
+	dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg);
+
+	/* extract and check channel number and NCCI */
+	channel = (iif->acmsg.adr.adrNCCI >> 8) & 0xff;
+	if (!channel || channel > cs->channels ||
+	    ((iif->acmsg.adr.adrNCCI >> 16) & 0xffff) != 1) {
+		dev_notice(cs->dev, "%s: invalid %s 0x%02x\n",
+			   "DISCONNECT_B3_REQ", "NCCI", iif->acmsg.adr.adrNCCI);
+		send_conf(iif, ap, skb, CapiIllContrPlciNcci);
+		return;
+	}
+
+	/* reject if logical connection not active */
+	if (ap->connected < APCONN_ACTIVE) {
+		send_conf(iif, ap, skb,
+			  CapiMessageNotSupportedInCurrentState);
+		return;
+	}
+
+	/* trigger hangup, causing eventual DISCONNECT_B3_IND */
+	if (!gigaset_add_event(cs, &cs->bcs[channel-1].at_state,
+			       EV_HUP, NULL, 0, NULL)) {
+		dev_err(cs->dev, "%s: out of memory\n", __func__);
+		send_conf(iif, ap, skb, CAPI_MSGOSRESOURCEERR);
+		return;
+	}
+	gig_dbg(DEBUG_CMD, "scheduling HUP");
+	gigaset_schedule_event(cs);
+
+	/* NCPI parameter: not applicable for B3 Transparent */
+	ignore_cstruct_param(cs, iif->acmsg.NCPI,
+				"DISCONNECT_B3_REQ", "NCPI");
+	send_conf(iif, ap, skb,
+		  (iif->acmsg.NCPI && iif->acmsg.NCPI[0]) ?
+			CapiNcpiNotSupportedByProtocol : CapiSuccess);
+}
+
+/*
+ * process DATA_B3_REQ message
+ */
+static void do_data_b3_req(struct gigaset_capi_ctr *iif,
+			   struct gigaset_capi_appl *ap,
+			   struct sk_buff *skb)
+{
+	struct cardstate *cs = iif->ctr.driverdata;
+	int channel = CAPIMSG_PLCI_PART(skb->data);
+	u16 ncci = CAPIMSG_NCCI_PART(skb->data);
+	u16 msglen = CAPIMSG_LEN(skb->data);
+	u16 datalen = CAPIMSG_DATALEN(skb->data);
+	u16 flags = CAPIMSG_FLAGS(skb->data);
+
+	/* frequent message, avoid _cmsg overhead */
+	dump_rawmsg(DEBUG_LLDATA, "DATA_B3_REQ", skb->data);
+
+	gig_dbg(DEBUG_LLDATA,
+		"Receiving data from LL (ch: %d, flg: %x, sz: %d|%d)",
+		channel, flags, msglen, datalen);
+
+	/* check parameters */
+	if (channel == 0 || channel > cs->channels || ncci != 1) {
+		dev_notice(cs->dev, "%s: invalid %s 0x%02x\n",
+			   "DATA_B3_REQ", "NCCI", CAPIMSG_NCCI(skb->data));
+		send_conf(iif, ap, skb, CapiIllContrPlciNcci);
+		return;
+	}
+	if (msglen != CAPI_DATA_B3_REQ_LEN && msglen != CAPI_DATA_B3_REQ_LEN64)
+		dev_notice(cs->dev, "%s: unexpected length %d\n",
+			   "DATA_B3_REQ", msglen);
+	if (msglen + datalen != skb->len)
+		dev_notice(cs->dev, "%s: length mismatch (%d+%d!=%d)\n",
+			   "DATA_B3_REQ", msglen, datalen, skb->len);
+	if (msglen + datalen > skb->len) {
+		/* message too short for announced data length */
+		send_conf(iif, ap, skb, CapiIllMessageParmCoding); /* ? */
+		return;
+	}
+	if (flags & CAPI_FLAGS_RESERVED) {
+		dev_notice(cs->dev, "%s: reserved flags set (%x)\n",
+			   "DATA_B3_REQ", flags);
+		send_conf(iif, ap, skb, CapiIllMessageParmCoding);
+		return;
+	}
+
+	/* reject if logical connection not active */
+	if (ap->connected < APCONN_ACTIVE) {
+		send_conf(iif, ap, skb, CapiMessageNotSupportedInCurrentState);
+		return;
+	}
+
+	/*
+	 * pull CAPI message from skb,
+	 * pass payload data to device-specific module
+	 * CAPI message will be preserved in headroom
+	 */
+	skb_pull(skb, msglen);
+	if (cs->ops->send_skb(&cs->bcs[channel-1], skb) < 0) {
+		send_conf(iif, ap, skb, CAPI_MSGOSRESOURCEERR);
+		return;
+	}
+
+	/* DATA_B3_CONF reply will be sent by gigaset_skb_sent() */
+
+	/*
+	 * ToDo: honor unset "delivery confirmation" bit
+	 * (send DATA_B3_CONF immediately?)
+	 */
+}
+
+/*
+ * process RESET_B3_REQ message
+ * just always reply "not supported by current protocol"
+ */
+static void do_reset_b3_req(struct gigaset_capi_ctr *iif,
+			    struct gigaset_capi_appl *ap,
+			    struct sk_buff *skb)
+{
+	/* decode message */
+	capi_message2cmsg(&iif->acmsg, skb->data);
+	dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg);
+	send_conf(iif, ap, skb,
+		  CapiResetProcedureNotSupportedByCurrentProtocol);
+}
+
+/*
+ * dump unsupported/ignored messages at most twice per minute,
+ * some apps send those very frequently
+ */
+static unsigned long ignored_msg_dump_time;
+
+/*
+ * unsupported CAPI message handler
+ */
+static void do_unsupported(struct gigaset_capi_ctr *iif,
+			   struct gigaset_capi_appl *ap,
+			   struct sk_buff *skb)
+{
+	/* decode message */
+	capi_message2cmsg(&iif->acmsg, skb->data);
+	if (printk_timed_ratelimit(&ignored_msg_dump_time, 30 * 1000))
+		dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg);
+	send_conf(iif, ap, skb, CapiMessageNotSupportedInCurrentState);
+}
+
+/*
+ * CAPI message handler: no-op
+ */
+static void do_nothing(struct gigaset_capi_ctr *iif,
+		       struct gigaset_capi_appl *ap,
+		       struct sk_buff *skb)
+{
+	if (printk_timed_ratelimit(&ignored_msg_dump_time, 30 * 1000)) {
+		/* decode message */
+		capi_message2cmsg(&iif->acmsg, skb->data);
+		dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg);
+	}
+	dev_kfree_skb(skb);
+}
+
+static void do_data_b3_resp(struct gigaset_capi_ctr *iif,
+			    struct gigaset_capi_appl *ap,
+			    struct sk_buff *skb)
+{
+	dump_rawmsg(DEBUG_LLDATA, __func__, skb->data);
+	dev_kfree_skb(skb);
+}
+
+/* table of outgoing CAPI message handlers with lookup function */
+typedef void (*capi_send_handler_t)(struct gigaset_capi_ctr *,
+				    struct gigaset_capi_appl *,
+				    struct sk_buff *);
+
+static struct {
+	u16 cmd;
+	capi_send_handler_t handler;
+} capi_send_handler_table[] = {
+	/* most frequent messages first for faster lookup */
+	{ CAPI_DATA_B3_REQ, do_data_b3_req },
+	{ CAPI_DATA_B3_RESP, do_data_b3_resp },
+
+	{ CAPI_ALERT_REQ, do_alert_req },
+	{ CAPI_CONNECT_ACTIVE_RESP, do_nothing },
+	{ CAPI_CONNECT_B3_ACTIVE_RESP, do_nothing },
+	{ CAPI_CONNECT_B3_REQ, do_connect_b3_req },
+	{ CAPI_CONNECT_B3_RESP, do_connect_b3_resp },
+	{ CAPI_CONNECT_B3_T90_ACTIVE_RESP, do_nothing },
+	{ CAPI_CONNECT_REQ, do_connect_req },
+	{ CAPI_CONNECT_RESP, do_connect_resp },
+	{ CAPI_DISCONNECT_B3_REQ, do_disconnect_b3_req },
+	{ CAPI_DISCONNECT_B3_RESP, do_nothing },
+	{ CAPI_DISCONNECT_REQ, do_disconnect_req },
+	{ CAPI_DISCONNECT_RESP, do_nothing },
+	{ CAPI_FACILITY_REQ, do_facility_req },
+	{ CAPI_FACILITY_RESP, do_nothing },
+	{ CAPI_LISTEN_REQ, do_listen_req },
+	{ CAPI_SELECT_B_PROTOCOL_REQ, do_unsupported },
+	{ CAPI_RESET_B3_REQ, do_reset_b3_req },
+	{ CAPI_RESET_B3_RESP, do_nothing },
+
+	/*
+	 * ToDo: support overlap sending (requires ev-layer state
+	 * machine extension to generate additional ATD commands)
+	 */
+	{ CAPI_INFO_REQ, do_unsupported },
+	{ CAPI_INFO_RESP, do_nothing },
+
+	/*
+	 * ToDo: what's the proper response for these?
+	 */
+	{ CAPI_MANUFACTURER_REQ, do_nothing },
+	{ CAPI_MANUFACTURER_RESP, do_nothing },
+};
+
+/* look up handler */
+static inline capi_send_handler_t lookup_capi_send_handler(const u16 cmd)
+{
+	size_t i;
+
+	for (i = 0; i < ARRAY_SIZE(capi_send_handler_table); i++)
+		if (capi_send_handler_table[i].cmd == cmd)
+			return capi_send_handler_table[i].handler;
+	return NULL;
+}
+
+
+/**
+ * gigaset_send_message() - accept a CAPI message from an application
+ * @ctr:	controller descriptor structure.
+ * @skb:	CAPI message.
+ *
+ * Return value: CAPI error code
+ * Note: capidrv (and probably others, too) only uses the return value to
+ * decide whether it has to free the skb (only if result != CAPI_NOERROR (0))
+ */
+static u16 gigaset_send_message(struct capi_ctr *ctr, struct sk_buff *skb)
+{
+	struct gigaset_capi_ctr *iif
+		= container_of(ctr, struct gigaset_capi_ctr, ctr);
+	struct cardstate *cs = ctr->driverdata;
+	struct gigaset_capi_appl *ap;
+	capi_send_handler_t handler;
+
+	/* can only handle linear sk_buffs */
+	if (skb_linearize(skb) < 0) {
+		dev_warn(cs->dev, "%s: skb_linearize failed\n", __func__);
+		return CAPI_MSGOSRESOURCEERR;
+	}
+
+	/* retrieve application data structure */
+	ap = get_appl(iif, CAPIMSG_APPID(skb->data));
+	if (!ap) {
+		dev_notice(cs->dev, "%s: application %u not registered\n",
+			   __func__, CAPIMSG_APPID(skb->data));
+		return CAPI_ILLAPPNR;
+	}
+
+	/* look up command */
+	handler = lookup_capi_send_handler(CAPIMSG_CMD(skb->data));
+	if (!handler) {
+		/* unknown/unsupported message type */
+		if (printk_ratelimit())
+			dev_notice(cs->dev, "%s: unsupported message %u\n",
+				   __func__, CAPIMSG_CMD(skb->data));
+		return CAPI_ILLCMDORSUBCMDORMSGTOSMALL;
+	}
+
+	/* serialize */
+	if (atomic_add_return(1, &iif->sendqlen) > 1) {
+		/* queue behind other messages */
+		skb_queue_tail(&iif->sendqueue, skb);
+		return CAPI_NOERROR;
+	}
+
+	/* process message */
+	handler(iif, ap, skb);
+
+	/* process other messages arrived in the meantime */
+	while (atomic_sub_return(1, &iif->sendqlen) > 0) {
+		skb = skb_dequeue(&iif->sendqueue);
+		if (!skb) {
+			/* should never happen */
+			dev_err(cs->dev, "%s: send queue empty\n", __func__);
+			continue;
+		}
+		ap = get_appl(iif, CAPIMSG_APPID(skb->data));
+		if (!ap) {
+			/* could that happen? */
+			dev_warn(cs->dev, "%s: application %u vanished\n",
+				 __func__, CAPIMSG_APPID(skb->data));
+			continue;
+		}
+		handler = lookup_capi_send_handler(CAPIMSG_CMD(skb->data));
+		if (!handler) {
+			/* should never happen */
+			dev_err(cs->dev, "%s: handler %x vanished\n",
+				__func__, CAPIMSG_CMD(skb->data));
+			continue;
+		}
+		handler(iif, ap, skb);
+	}
+
+	return CAPI_NOERROR;
+}
+
+/**
+ * gigaset_procinfo() - build single line description for controller
+ * @ctr:	controller descriptor structure.
+ *
+ * Return value: pointer to generated string (null terminated)
+ */
+static char *gigaset_procinfo(struct capi_ctr *ctr)
+{
+	return ctr->name;	/* ToDo: more? */
+}
+
+/**
+ * gigaset_ctr_read_proc() - build controller proc file entry
+ * @page:	buffer of PAGE_SIZE bytes for receiving the entry.
+ * @start:	unused.
+ * @off:	unused.
+ * @count:	unused.
+ * @eof:	unused.
+ * @ctr:	controller descriptor structure.
+ *
+ * Return value: length of generated entry
+ */
+static int gigaset_ctr_read_proc(char *page, char **start, off_t off,
+			  int count, int *eof, struct capi_ctr *ctr)
+{
+	struct cardstate *cs = ctr->driverdata;
+	char *s;
+	int i;
+	int len = 0;
+	len += sprintf(page+len, "%-16s %s\n", "name", ctr->name);
+	len += sprintf(page+len, "%-16s %s %s\n", "dev",
+			dev_driver_string(cs->dev), dev_name(cs->dev));
+	len += sprintf(page+len, "%-16s %d\n", "id", cs->myid);
+	if (cs->gotfwver)
+		len += sprintf(page+len, "%-16s %d.%d.%d.%d\n", "firmware",
+			cs->fwver[0], cs->fwver[1], cs->fwver[2], cs->fwver[3]);
+	len += sprintf(page+len, "%-16s %d\n", "channels",
+			cs->channels);
+	len += sprintf(page+len, "%-16s %s\n", "onechannel",
+			cs->onechannel ? "yes" : "no");
+
+	switch (cs->mode) {
+	case M_UNKNOWN:
+		s = "unknown";
+		break;
+	case M_CONFIG:
+		s = "config";
+		break;
+	case M_UNIMODEM:
+		s = "Unimodem";
+		break;
+	case M_CID:
+		s = "CID";
+		break;
+	default:
+		s = "??";
+	}
+	len += sprintf(page+len, "%-16s %s\n", "mode", s);
+
+	switch (cs->mstate) {
+	case MS_UNINITIALIZED:
+		s = "uninitialized";
+		break;
+	case MS_INIT:
+		s = "init";
+		break;
+	case MS_LOCKED:
+		s = "locked";
+		break;
+	case MS_SHUTDOWN:
+		s = "shutdown";
+		break;
+	case MS_RECOVER:
+		s = "recover";
+		break;
+	case MS_READY:
+		s = "ready";
+		break;
+	default:
+		s = "??";
+	}
+	len += sprintf(page+len, "%-16s %s\n", "mstate", s);
+
+	len += sprintf(page+len, "%-16s %s\n", "running",
+			cs->running ? "yes" : "no");
+	len += sprintf(page+len, "%-16s %s\n", "connected",
+			cs->connected ? "yes" : "no");
+	len += sprintf(page+len, "%-16s %s\n", "isdn_up",
+			cs->isdn_up ? "yes" : "no");
+	len += sprintf(page+len, "%-16s %s\n", "cidmode",
+			cs->cidmode ? "yes" : "no");
+
+	for (i = 0; i < cs->channels; i++) {
+		len += sprintf(page+len, "[%d]%-13s %d\n", i, "corrupted",
+				cs->bcs[i].corrupted);
+		len += sprintf(page+len, "[%d]%-13s %d\n", i, "trans_down",
+				cs->bcs[i].trans_down);
+		len += sprintf(page+len, "[%d]%-13s %d\n", i, "trans_up",
+				cs->bcs[i].trans_up);
+		len += sprintf(page+len, "[%d]%-13s %d\n", i, "chstate",
+				cs->bcs[i].chstate);
+		switch (cs->bcs[i].proto2) {
+		case L2_BITSYNC:
+			s = "bitsync";
+			break;
+		case L2_HDLC:
+			s = "HDLC";
+			break;
+		case L2_VOICE:
+			s = "voice";
+			break;
+		default:
+			s = "??";
+		}
+		len += sprintf(page+len, "[%d]%-13s %s\n", i, "proto2", s);
+	}
+	return len;
+}
+
+
+static struct capi_driver capi_driver_gigaset = {
+	.name		= "gigaset",
+	.revision	= "1.0",
+};
+
+/**
+ * gigaset_isdn_register() - register to LL
+ * @cs:		device descriptor structure.
+ * @isdnid:	device name.
+ *
+ * Called by main module to register the device with the LL.
+ *
+ * Return value: 1 for success, 0 for failure
+ */
+int gigaset_isdn_register(struct cardstate *cs, const char *isdnid)
+{
+	struct gigaset_capi_ctr *iif;
+	int rc;
+
+	pr_info("Kernel CAPI interface\n");
+
+	iif = kmalloc(sizeof(*iif), GFP_KERNEL);
+	if (!iif) {
+		pr_err("%s: out of memory\n", __func__);
+		return 0;
+	}
+
+	/* register driver with CAPI (ToDo: what for?) */
+	register_capi_driver(&capi_driver_gigaset);
+
+	/* prepare controller structure */
+	iif->ctr.owner         = THIS_MODULE;
+	iif->ctr.driverdata    = cs;
+	strncpy(iif->ctr.name, isdnid, sizeof(iif->ctr.name));
+	iif->ctr.driver_name   = "gigaset";
+	iif->ctr.load_firmware = gigaset_load_firmware;
+	iif->ctr.reset_ctr     = gigaset_reset_ctr;
+	iif->ctr.register_appl = gigaset_register_appl;
+	iif->ctr.release_appl  = gigaset_release_appl;
+	iif->ctr.send_message  = gigaset_send_message;
+	iif->ctr.procinfo      = gigaset_procinfo;
+	iif->ctr.ctr_read_proc = gigaset_ctr_read_proc;
+	INIT_LIST_HEAD(&iif->appls);
+	skb_queue_head_init(&iif->sendqueue);
+	atomic_set(&iif->sendqlen, 0);
+
+	/* register controller with CAPI */
+	rc = attach_capi_ctr(&iif->ctr);
+	if (rc) {
+		pr_err("attach_capi_ctr failed (%d)\n", rc);
+		unregister_capi_driver(&capi_driver_gigaset);
+		kfree(iif);
+		return 0;
+	}
+
+	cs->iif = iif;
+	cs->hw_hdr_len = CAPI_DATA_B3_REQ_LEN;
+	return 1;
+}
+
+/**
+ * gigaset_isdn_unregister() - unregister from LL
+ * @cs:		device descriptor structure.
+ *
+ * Called by main module to unregister the device from the LL.
+ */
+void gigaset_isdn_unregister(struct cardstate *cs)
+{
+	struct gigaset_capi_ctr *iif = cs->iif;
+
+	detach_capi_ctr(&iif->ctr);
+	kfree(iif);
+	cs->iif = NULL;
+	unregister_capi_driver(&capi_driver_gigaset);
+}
diff --git a/drivers/isdn/gigaset/common.c b/drivers/isdn/gigaset/common.c
index 15dc0fc28a9..1d2ae2e05e0 100644
--- a/drivers/isdn/gigaset/common.c
+++ b/drivers/isdn/gigaset/common.c
@@ -207,6 +207,32 @@ int gigaset_get_channel(struct bc_state *bcs)
 	return 1;
 }
 
+struct bc_state *gigaset_get_free_channel(struct cardstate *cs)
+{
+	unsigned long flags;
+	int i;
+
+	spin_lock_irqsave(&cs->lock, flags);
+	if (!try_module_get(cs->driver->owner)) {
+		gig_dbg(DEBUG_ANY,
+			"could not get module for allocating channel");
+		spin_unlock_irqrestore(&cs->lock, flags);
+		return NULL;
+	}
+	for (i = 0; i < cs->channels; ++i)
+		if (!cs->bcs[i].use_count) {
+			++cs->bcs[i].use_count;
+			cs->bcs[i].busy = 1;
+			spin_unlock_irqrestore(&cs->lock, flags);
+			gig_dbg(DEBUG_ANY, "allocated channel %d", i);
+			return cs->bcs + i;
+		}
+	module_put(cs->driver->owner);
+	spin_unlock_irqrestore(&cs->lock, flags);
+	gig_dbg(DEBUG_ANY, "no free channel");
+	return NULL;
+}
+
 void gigaset_free_channel(struct bc_state *bcs)
 {
 	unsigned long flags;
diff --git a/drivers/isdn/gigaset/ev-layer.c b/drivers/isdn/gigaset/ev-layer.c
index cb25d2b834b..369927f9072 100644
--- a/drivers/isdn/gigaset/ev-layer.c
+++ b/drivers/isdn/gigaset/ev-layer.c
@@ -291,21 +291,23 @@ struct reply_t gigaset_tab_cid[] =
 	{RSP_OK,      602,602, -1,                603, 5, {ACT_CMD+AT_PROTO}},
 	{RSP_OK,      603,603, -1,                604, 5, {ACT_CMD+AT_TYPE}},
 	{RSP_OK,      604,604, -1,                605, 5, {ACT_CMD+AT_MSN}},
-	{RSP_OK,      605,605, -1,                606, 5, {ACT_CMD+AT_ISO}},
-	{RSP_NULL,    605,605, -1,                606, 5, {ACT_CMD+AT_ISO}},
-	{RSP_OK,      606,606, -1,                607, 5, {0}, "+VLS=17\r"},
-	{RSP_OK,      607,607, -1,                608,-1},
-	{RSP_ZSAU,    608,608,ZSAU_PROCEEDING,    609, 5, {ACT_CMD+AT_DIAL}},
-	{RSP_OK,      609,609, -1,                650, 0, {ACT_DIALING}},
-
-	{RSP_ERROR,   601,609, -1,                  0, 0, {ACT_ABORTDIAL}},
-	{EV_TIMEOUT,  601,609, -1,                  0, 0, {ACT_ABORTDIAL}},
+	{RSP_NULL,    605, 605, -1,               606, 5, {ACT_CMD+AT_CLIP} },
+	{RSP_OK,      605, 605, -1,               606, 5, {ACT_CMD+AT_CLIP} },
+	{RSP_NULL,    606, 606, -1,               607, 5, {ACT_CMD+AT_ISO} },
+	{RSP_OK,      606, 606, -1,               607, 5, {ACT_CMD+AT_ISO} },
+	{RSP_OK,      607, 607, -1,               608, 5, {0}, "+VLS=17\r"},
+	{RSP_OK,      608, 608, -1,               609, -1},
+	{RSP_ZSAU,    609, 609, ZSAU_PROCEEDING,  610, 5, {ACT_CMD+AT_DIAL} },
+	{RSP_OK,      610, 610, -1,               650, 0, {ACT_DIALING} },
+
+	{RSP_ERROR,   601, 610, -1,                 0, 0, {ACT_ABORTDIAL} },
+	{EV_TIMEOUT,  601, 610, -1,                 0, 0, {ACT_ABORTDIAL} },
 
 	/* optional dialing responses */
 	{EV_BC_OPEN,  650,650, -1,                651,-1},
-	{RSP_ZVLS,    608,651, 17,                 -1,-1, {ACT_DEBUG}},
-	{RSP_ZCTP,    609,651, -1,                 -1,-1, {ACT_DEBUG}},
-	{RSP_ZCPN,    609,651, -1,                 -1,-1, {ACT_DEBUG}},
+	{RSP_ZVLS,    609, 651, 17,                -1, -1, {ACT_DEBUG} },
+	{RSP_ZCTP,    610, 651, -1,                -1, -1, {ACT_DEBUG} },
+	{RSP_ZCPN,    610, 651, -1,                -1, -1, {ACT_DEBUG} },
 	{RSP_ZSAU,    650,651,ZSAU_CALL_DELIVERED, -1,-1, {ACT_DEBUG}},
 
 	/* connect */
diff --git a/drivers/isdn/gigaset/gigaset.h b/drivers/isdn/gigaset/gigaset.h
index 1185da2dbf6..4749ef100fd 100644
--- a/drivers/isdn/gigaset/gigaset.h
+++ b/drivers/isdn/gigaset/gigaset.h
@@ -191,7 +191,9 @@ void gigaset_dbg_buffer(enum debuglevel level, const unsigned char *msg,
 #define AT_PROTO	4
 #define AT_TYPE		5
 #define AT_HLC		6
-#define AT_NUM		7
+#define AT_CLIP		7
+/* total number */
+#define AT_NUM		8
 
 /* variables in struct at_state_t */
 #define VAR_ZSAU	0
@@ -412,6 +414,8 @@ struct bc_state {
 		struct usb_bc_state *usb;	/* usb hardware driver (m105) */
 		struct bas_bc_state *bas;	/* usb hardware driver (base) */
 	} hw;
+
+	void *ap;			/* LL application structure */
 };
 
 struct cardstate {
@@ -725,6 +729,7 @@ void gigaset_bcs_reinit(struct bc_state *bcs);
 void gigaset_at_init(struct at_state_t *at_state, struct bc_state *bcs,
 		     struct cardstate *cs, int cid);
 int gigaset_get_channel(struct bc_state *bcs);
+struct bc_state *gigaset_get_free_channel(struct cardstate *cs);
 void gigaset_free_channel(struct bc_state *bcs);
 int gigaset_get_channels(struct cardstate *cs);
 void gigaset_free_channels(struct cardstate *cs);
-- 
GitLab


From ee5e81f00051b5c373c8de16e3604fd6d3be699e Mon Sep 17 00:00:00 2001
From: Ilia K <mail4ilia@gmail.com>
Date: Wed, 16 Sep 2009 05:53:07 +0000
Subject: [PATCH 0043/1815] add vif using local interface index instead of IP

When routing daemon wants to enable forwarding of multicast traffic it
performs something like:

       struct vifctl vc = {
               .vifc_vifi  = 1,
               .vifc_flags = 0,
               .vifc_threshold = 1,
               .vifc_rate_limit = 0,
               .vifc_lcl_addr = ip, /* <--- ip address of physical
interface, e.g. eth0 */
               .vifc_rmt_addr.s_addr = htonl(INADDR_ANY),
         };
       setsockopt(fd, IPPROTO_IP, MRT_ADD_VIF, &vc, sizeof(vc));

This leads (in the kernel) to calling  vif_add() function call which
search the (physical) device using assigned IP address:
       dev = ip_dev_find(net, vifc->vifc_lcl_addr.s_addr);

The current API (struct vifctl) does not allow to specify an
interface other way than using it's IP, and if there are more than a
single interface with specified IP only the first one will be found.

The attached patch (against 2.6.30.4) allows to specify an interface
by its index, instead of IP address:

       struct vifctl vc = {
               .vifc_vifi  = 1,
               .vifc_flags = VIFF_USE_IFINDEX,   /* NEW */
               .vifc_threshold = 1,
               .vifc_rate_limit = 0,
               .vifc_lcl_ifindex = if_nametoindex("eth0"),   /* NEW */
               .vifc_rmt_addr.s_addr = htonl(INADDR_ANY),
         };
       setsockopt(fd, IPPROTO_IP, MRT_ADD_VIF, &vc, sizeof(vc));

Signed-off-by: Ilia K. <mail4ilia@gmail.com>

=== modified file 'include/linux/mroute.h'
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/mroute.h | 13 +++++++++----
 net/ipv4/ipmr.c        | 12 +++++++++++-
 2 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/include/linux/mroute.h b/include/linux/mroute.h
index 08bc776d05e..d5f69151f69 100644
--- a/include/linux/mroute.h
+++ b/include/linux/mroute.h
@@ -59,13 +59,18 @@ struct vifctl {
 	unsigned char vifc_flags;	/* VIFF_ flags */
 	unsigned char vifc_threshold;	/* ttl limit */
 	unsigned int vifc_rate_limit;	/* Rate limiter values (NI) */
-	struct in_addr vifc_lcl_addr;	/* Our address */
+	union {
+		struct in_addr vifc_lcl_addr;     /* Local interface address */
+		int            vifc_lcl_ifindex;  /* Local interface index   */
+	};
 	struct in_addr vifc_rmt_addr;	/* IPIP tunnel addr */
 };
 
-#define VIFF_TUNNEL	0x1	/* IPIP tunnel */
-#define VIFF_SRCRT	0x2	/* NI */
-#define VIFF_REGISTER	0x4	/* register vif	*/
+#define VIFF_TUNNEL		0x1	/* IPIP tunnel */
+#define VIFF_SRCRT		0x2	/* NI */
+#define VIFF_REGISTER		0x4	/* register vif	*/
+#define VIFF_USE_IFINDEX	0x8	/* use vifc_lcl_ifindex instead of
+					   vifc_lcl_addr to find an interface */
 
 /*
  *	Cache manipulation structures for mrouted and PIMd
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 630a56df7b4..c757f0b4b74 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -469,8 +469,18 @@ static int vif_add(struct net *net, struct vifctl *vifc, int mrtsock)
 			return err;
 		}
 		break;
+
+	case VIFF_USE_IFINDEX:
 	case 0:
-		dev = ip_dev_find(net, vifc->vifc_lcl_addr.s_addr);
+		if (vifc->vifc_flags == VIFF_USE_IFINDEX) {
+			dev = dev_get_by_index(net, vifc->vifc_lcl_ifindex);
+			if (dev && dev->ip_ptr == NULL) {
+				dev_put(dev);
+				return -EADDRNOTAVAIL;
+			}
+		} else
+			dev = ip_dev_find(net, vifc->vifc_lcl_addr.s_addr);
+
 		if (!dev)
 			return -EADDRNOTAVAIL;
 		err = dev_set_allmulti(dev, 1);
-- 
GitLab


From fa857afcf77da669eb6b7031ec07ad14b912c307 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?YOSHIFUJI=20Hideaki=20/=20=E5=90=89=E8=97=A4=E8=8B=B1?=
 =?UTF-8?q?=E6=98=8E?= <yoshfuji@linux-ipv6.org>
Date: Tue, 22 Sep 2009 23:43:14 +0000
Subject: [PATCH 0044/1815] ipv6 sit: 6rd (IPv6 Rapid Deployment) Support.

IPv6 Rapid Deployment (6rd; draft-ietf-softwire-ipv6-6rd) builds upon
mechanisms of 6to4 (RFC3056) to enable a service provider to rapidly
deploy IPv6 unicast service to IPv4 sites to which it provides
customer premise equipment.  Like 6to4, it utilizes stateless IPv6 in
IPv4 encapsulation in order to transit IPv4-only network
infrastructure.  Unlike 6to4, a 6rd service provider uses an IPv6
prefix of its own in place of the fixed 6to4 prefix.

With this option enabled, the SIT driver offers 6rd functionality by
providing additional ioctl API to configure the IPv6 Prefix for in
stead of static 2002::/16 for 6to4.

Original patch was done by Alexandre Cassen <acassen@freebox.fr>
based on old Internet-Draft.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/if_tunnel.h |  11 ++++
 include/net/ipip.h        |  13 ++++
 net/ipv6/Kconfig          |  19 ++++++
 net/ipv6/sit.c            | 124 +++++++++++++++++++++++++++++++++++---
 4 files changed, 159 insertions(+), 8 deletions(-)

diff --git a/include/linux/if_tunnel.h b/include/linux/if_tunnel.h
index 5a9aae4adb4..c53c8e01694 100644
--- a/include/linux/if_tunnel.h
+++ b/include/linux/if_tunnel.h
@@ -15,6 +15,10 @@
 #define SIOCADDPRL      (SIOCDEVPRIVATE + 5)
 #define SIOCDELPRL      (SIOCDEVPRIVATE + 6)
 #define SIOCCHGPRL      (SIOCDEVPRIVATE + 7)
+#define SIOCGET6RD      (SIOCDEVPRIVATE + 8)
+#define SIOCADD6RD      (SIOCDEVPRIVATE + 9)
+#define SIOCDEL6RD      (SIOCDEVPRIVATE + 10)
+#define SIOCCHG6RD      (SIOCDEVPRIVATE + 11)
 
 #define GRE_CSUM	__cpu_to_be16(0x8000)
 #define GRE_ROUTING	__cpu_to_be16(0x4000)
@@ -51,6 +55,13 @@ struct ip_tunnel_prl {
 /* PRL flags */
 #define	PRL_DEFAULT		0x0001
 
+struct ip_tunnel_6rd {
+	struct in6_addr		prefix;
+	__be32			relay_prefix;
+	__u16			prefixlen;
+	__u16			relay_prefixlen;
+};
+
 enum
 {
 	IFLA_GRE_UNSPEC,
diff --git a/include/net/ipip.h b/include/net/ipip.h
index 0159221a850..86f1c8bd040 100644
--- a/include/net/ipip.h
+++ b/include/net/ipip.h
@@ -7,6 +7,15 @@
 /* Keep error state on tunnel for 30 sec */
 #define IPTUNNEL_ERR_TIMEO	(30*HZ)
 
+/* 6rd prefix/relay information */
+struct ip_tunnel_6rd_parm
+{
+	struct in6_addr		prefix;
+	__be32			relay_prefix;
+	u16			prefixlen;
+	u16			relay_prefixlen;
+};
+
 struct ip_tunnel
 {
 	struct ip_tunnel	*next;
@@ -23,6 +32,10 @@ struct ip_tunnel
 
 	struct ip_tunnel_parm	parms;
 
+	/* for SIT */
+#ifdef CONFIG_IPV6_SIT_6RD
+	struct ip_tunnel_6rd_parm	ip6rd;
+#endif
 	struct ip_tunnel_prl_entry	*prl;		/* potential router list */
 	unsigned int			prl_count;	/* # of entries in PRL */
 };
diff --git a/net/ipv6/Kconfig b/net/ipv6/Kconfig
index ead6c7a42f4..f5619982745 100644
--- a/net/ipv6/Kconfig
+++ b/net/ipv6/Kconfig
@@ -170,6 +170,25 @@ config IPV6_SIT
 
 	  Saying M here will produce a module called sit. If unsure, say Y.
 
+config IPV6_SIT_6RD
+	bool "IPv6: IPv6 Rapid Development (6RD) (EXPERIMENTAL)"
+	depends on IPV6_SIT && EXPERIMENTAL
+	default n
+	---help---
+	  IPv6 Rapid Deployment (6rd; draft-ietf-softwire-ipv6-6rd) builds upon
+	  mechanisms of 6to4 (RFC3056) to enable a service provider to rapidly
+	  deploy IPv6 unicast service to IPv4 sites to which it provides
+	  customer premise equipment.  Like 6to4, it utilizes stateless IPv6 in
+	  IPv4 encapsulation in order to transit IPv4-only network
+	  infrastructure.  Unlike 6to4, a 6rd service provider uses an IPv6
+	  prefix of its own in place of the fixed 6to4 prefix.
+
+	  With this option enabled, the SIT driver offers 6rd functionality by
+	  providing additional ioctl API to configure the IPv6 Prefix for in
+	  stead of static 2002::/16 for 6to4.
+
+	  If unsure, say N.
+
 config IPV6_NDISC_NODETYPE
 	bool
 
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 99da272951d..6955654262a 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -161,6 +161,21 @@ static void ipip6_tunnel_link(struct sit_net *sitn, struct ip_tunnel *t)
 	write_unlock_bh(&ipip6_lock);
 }
 
+static void ipip6_tunnel_clone_6rd(struct ip_tunnel *t, struct sit_net *sitn)
+{
+#ifdef CONFIG_IPV6_SIT_6RD
+	if (t->dev == sitn->fb_tunnel_dev) {
+		ipv6_addr_set(&t->ip6rd.prefix, htonl(0x20020000), 0, 0, 0);
+		t->ip6rd.relay_prefix = 0;
+		t->ip6rd.prefixlen = 16;
+		t->ip6rd.relay_prefixlen = 0;
+	} else {
+		struct ip_tunnel *t0 = netdev_priv(sitn->fb_tunnel_dev);
+		memcpy(&t->ip6rd, &t0->ip6rd, sizeof(t->ip6rd));
+	}
+#endif
+}
+
 static struct ip_tunnel * ipip6_tunnel_locate(struct net *net,
 		struct ip_tunnel_parm *parms, int create)
 {
@@ -213,6 +228,8 @@ static struct ip_tunnel * ipip6_tunnel_locate(struct net *net,
 
 	dev_hold(dev);
 
+	ipip6_tunnel_clone_6rd(t, sitn);
+
 	ipip6_tunnel_link(sitn, nt);
 	return nt;
 
@@ -532,17 +549,41 @@ out:
 	return 0;
 }
 
-/* Returns the embedded IPv4 address if the IPv6 address
-   comes from 6to4 (RFC 3056) addr space */
-
-static inline __be32 try_6to4(struct in6_addr *v6dst)
+/*
+ * Returns the embedded IPv4 address if the IPv6 address
+ * comes from 6rd / 6to4 (RFC 3056) addr space.
+ */
+static inline
+__be32 try_6rd(struct in6_addr *v6dst, struct ip_tunnel *tunnel)
 {
 	__be32 dst = 0;
 
+#ifdef CONFIG_IPV6_SIT_6RD
+	if (ipv6_prefix_equal(v6dst, &tunnel->ip6rd.prefix,
+			      tunnel->ip6rd.prefixlen)) {
+		unsigned pbw0, pbi0;
+		int pbi1;
+		u32 d;
+
+		pbw0 = tunnel->ip6rd.prefixlen >> 5;
+		pbi0 = tunnel->ip6rd.prefixlen & 0x1f;
+
+		d = (ntohl(tunnel->ip6rd.prefix.s6_addr32[pbw0]) << pbi0) >>
+		    tunnel->ip6rd.relay_prefixlen;
+
+		pbi1 = pbi0 - tunnel->ip6rd.relay_prefixlen;
+		if (pbi1 > 0)
+			d |= ntohl(tunnel->ip6rd.prefix.s6_addr32[pbw0 + 1]) >>
+			     (32 - pbi1);
+
+		dst = tunnel->ip6rd.relay_prefix | htonl(d);
+	}
+#else
 	if (v6dst->s6_addr16[0] == htons(0x2002)) {
 		/* 6to4 v6 addr has 16 bits prefix, 32 v4addr, 16 SLA, ... */
 		memcpy(&dst, &v6dst->s6_addr16[1], 4);
 	}
+#endif
 	return dst;
 }
 
@@ -596,7 +637,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
 	}
 
 	if (!dst)
-		dst = try_6to4(&iph6->daddr);
+		dst = try_6rd(&iph6->daddr, tunnel);
 
 	if (!dst) {
 		struct neighbour *neigh = NULL;
@@ -786,9 +827,15 @@ ipip6_tunnel_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd)
 	struct ip_tunnel *t;
 	struct net *net = dev_net(dev);
 	struct sit_net *sitn = net_generic(net, sit_net_id);
+#ifdef CONFIG_IPV6_SIT_6RD
+	struct ip_tunnel_6rd ip6rd;
+#endif
 
 	switch (cmd) {
 	case SIOCGETTUNNEL:
+#ifdef CONFIG_IPV6_SIT_6RD
+	case SIOCGET6RD:
+#endif
 		t = NULL;
 		if (dev == sitn->fb_tunnel_dev) {
 			if (copy_from_user(&p, ifr->ifr_ifru.ifru_data, sizeof(p))) {
@@ -799,9 +846,25 @@ ipip6_tunnel_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd)
 		}
 		if (t == NULL)
 			t = netdev_priv(dev);
-		memcpy(&p, &t->parms, sizeof(p));
-		if (copy_to_user(ifr->ifr_ifru.ifru_data, &p, sizeof(p)))
-			err = -EFAULT;
+
+		err = -EFAULT;
+		if (cmd == SIOCGETTUNNEL) {
+			memcpy(&p, &t->parms, sizeof(p));
+			if (copy_to_user(ifr->ifr_ifru.ifru_data, &p,
+					 sizeof(p)))
+				goto done;
+#ifdef CONFIG_IPV6_SIT_6RD
+		} else {
+			ipv6_addr_copy(&ip6rd.prefix, &t->ip6rd.prefix);
+			ip6rd.relay_prefix = t->ip6rd.relay_prefix;
+			ip6rd.prefixlen = t->ip6rd.prefixlen;
+			ip6rd.relay_prefixlen = t->ip6rd.relay_prefixlen;
+			if (copy_to_user(ifr->ifr_ifru.ifru_data, &ip6rd,
+					 sizeof(ip6rd)))
+				goto done;
+#endif
+		}
+		err = 0;
 		break;
 
 	case SIOCADDTUNNEL:
@@ -922,6 +985,51 @@ ipip6_tunnel_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd)
 		netdev_state_change(dev);
 		break;
 
+#ifdef CONFIG_IPV6_SIT_6RD
+	case SIOCADD6RD:
+	case SIOCCHG6RD:
+	case SIOCDEL6RD:
+		err = -EPERM;
+		if (!capable(CAP_NET_ADMIN))
+			goto done;
+
+		err = -EFAULT;
+		if (copy_from_user(&ip6rd, ifr->ifr_ifru.ifru_data,
+				   sizeof(ip6rd)))
+			goto done;
+
+		t = netdev_priv(dev);
+
+		if (cmd != SIOCDEL6RD) {
+			struct in6_addr prefix;
+			__be32 relay_prefix;
+
+			err = -EINVAL;
+			if (ip6rd.relay_prefixlen > 32 ||
+			    ip6rd.prefixlen + (32 - ip6rd.relay_prefixlen) > 64)
+				goto done;
+
+			ipv6_addr_prefix(&prefix, &ip6rd.prefix,
+					 ip6rd.prefixlen);
+			if (!ipv6_addr_equal(&prefix, &ip6rd.prefix))
+				goto done;
+			relay_prefix = ip6rd.relay_prefix &
+				       htonl(0xffffffffUL <<
+					     (32 - ip6rd.relay_prefixlen));
+			if (relay_prefix != ip6rd.relay_prefix)
+				goto done;
+
+			ipv6_addr_copy(&t->ip6rd.prefix, &prefix);
+			t->ip6rd.relay_prefix = relay_prefix;
+			t->ip6rd.prefixlen = ip6rd.prefixlen;
+			t->ip6rd.relay_prefixlen = ip6rd.relay_prefixlen;
+		} else
+			ipip6_tunnel_clone_6rd(t, sitn);
+
+		err = 0;
+		break;
+#endif
+
 	default:
 		err = -EINVAL;
 	}
-- 
GitLab


From 2d37a186cedc51502dbee71c16ae0fbd9114d62c Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 1 Oct 2009 19:14:46 +0000
Subject: [PATCH 0045/1815] Use sk_mark for routing lookup in more places

Here is a followup on this area, thanks.

[RFC] af_packet: fill skb->mark at xmit

skb->mark may be used by classifiers, so fill it in case user
set a SO_MARK option on socket.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/packet/af_packet.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index d398a9bf690..efc1174af71 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -490,6 +490,7 @@ static int packet_sendmsg_spkt(struct kiocb *iocb, struct socket *sock,
 	skb->protocol = proto;
 	skb->dev = dev;
 	skb->priority = sk->sk_priority;
+	skb->mark = sk->sk_mark;
 	if (err)
 		goto out_free;
 
@@ -884,6 +885,7 @@ static int tpacket_fill_skb(struct packet_sock *po, struct sk_buff *skb,
 	skb->protocol = proto;
 	skb->dev = dev;
 	skb->priority = po->sk.sk_priority;
+	skb->mark = po->sk.sk_mark;
 	skb_shinfo(skb)->destructor_arg = ph.raw;
 
 	switch (po->tp_version) {
@@ -1153,6 +1155,7 @@ static int packet_snd(struct socket *sock,
 	skb->protocol = proto;
 	skb->dev = dev;
 	skb->priority = sk->sk_priority;
+	skb->mark = sk->sk_mark;
 
 	/*
 	 *	Now send it
-- 
GitLab


From a549952ad323d68daf5b50bf716db895479af84c Mon Sep 17 00:00:00 2001
From: Jiri Pirko <jpirko@redhat.com>
Date: Fri, 25 Sep 2009 03:28:09 +0000
Subject: [PATCH 0046/1815] bonding: introduce primary_reselect option

In some cases there is not desirable to switch back to primary interface when
it's link recovers and rather stay with currently active one. We need to avoid
packetloss as much as we can in some cases. This is solved by introducing
primary_reselect option. Note that enslaved primary slave is set as current
active no matter what.

Patch modified by Jay Vosburgh as follows: fixed bug in action
after change of option setting via sysfs, revised the documentation
update, and bumped the bonding version number.

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 Documentation/networking/bonding.txt | 42 +++++++++++++++++-
 drivers/net/bonding/bond_main.c      | 66 +++++++++++++++++++++++++---
 drivers/net/bonding/bond_sysfs.c     | 53 ++++++++++++++++++++++
 drivers/net/bonding/bonding.h        | 11 ++++-
 4 files changed, 164 insertions(+), 8 deletions(-)

diff --git a/Documentation/networking/bonding.txt b/Documentation/networking/bonding.txt
index d5181ce9ff6..61f516b135b 100644
--- a/Documentation/networking/bonding.txt
+++ b/Documentation/networking/bonding.txt
@@ -1,7 +1,7 @@
 
 		Linux Ethernet Bonding Driver HOWTO
 
-		Latest update: 12 November 2007
+		Latest update: 23 September 2009
 
 Initial release : Thomas Davis <tadavis at lbl.gov>
 Corrections, HA extensions : 2000/10/03-15 :
@@ -614,6 +614,46 @@ primary
 
 	The primary option is only valid for active-backup mode.
 
+primary_reselect
+
+	Specifies the reselection policy for the primary slave.  This
+	affects how the primary slave is chosen to become the active slave
+	when failure of the active slave or recovery of the primary slave
+	occurs.  This option is designed to prevent flip-flopping between
+	the primary slave and other slaves.  Possible values are:
+
+	always or 0 (default)
+
+		The primary slave becomes the active slave whenever it
+		comes back up.
+
+	better or 1
+
+		The primary slave becomes the active slave when it comes
+		back up, if the speed and duplex of the primary slave is
+		better than the speed and duplex of the current active
+		slave.
+
+	failure or 2
+
+		The primary slave becomes the active slave only if the
+		current active slave fails and the primary slave is up.
+
+	The primary_reselect setting is ignored in two cases:
+
+		If no slaves are active, the first slave to recover is
+		made the active slave.
+
+		When initially enslaved, the primary slave is always made
+		the active slave.
+
+	Changing the primary_reselect policy via sysfs will cause an
+	immediate selection of the best active slave according to the new
+	policy.  This may or may not result in a change of the active
+	slave, depending upon the circumstances.
+
+	This option was added for bonding version 3.6.0.
+
 updelay
 
 	Specifies the time, in milliseconds, to wait before enabling a
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 69c5b15e22d..19d57d537ec 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -94,6 +94,7 @@ static int downdelay;
 static int use_carrier	= 1;
 static char *mode;
 static char *primary;
+static char *primary_reselect;
 static char *lacp_rate;
 static char *ad_select;
 static char *xmit_hash_policy;
@@ -126,6 +127,14 @@ MODULE_PARM_DESC(mode, "Mode of operation : 0 for balance-rr, "
 		       "6 for balance-alb");
 module_param(primary, charp, 0);
 MODULE_PARM_DESC(primary, "Primary network device to use");
+module_param(primary_reselect, charp, 0);
+MODULE_PARM_DESC(primary_reselect, "Reselect primary slave "
+				   "once it comes up; "
+				   "0 for always (default), "
+				   "1 for only if speed of primary is "
+				   "better, "
+				   "2 for only on active slave "
+				   "failure");
 module_param(lacp_rate, charp, 0);
 MODULE_PARM_DESC(lacp_rate, "LACPDU tx rate to request from 802.3ad partner "
 			    "(slow/fast)");
@@ -200,6 +209,13 @@ const struct bond_parm_tbl fail_over_mac_tbl[] = {
 {	NULL,			-1},
 };
 
+const struct bond_parm_tbl pri_reselect_tbl[] = {
+{	"always",		BOND_PRI_RESELECT_ALWAYS},
+{	"better",		BOND_PRI_RESELECT_BETTER},
+{	"failure",		BOND_PRI_RESELECT_FAILURE},
+{	NULL,			-1},
+};
+
 struct bond_parm_tbl ad_select_tbl[] = {
 {	"stable",	BOND_AD_STABLE},
 {	"bandwidth",	BOND_AD_BANDWIDTH},
@@ -1070,6 +1086,25 @@ out:
 
 }
 
+static bool bond_should_change_active(struct bonding *bond)
+{
+	struct slave *prim = bond->primary_slave;
+	struct slave *curr = bond->curr_active_slave;
+
+	if (!prim || !curr || curr->link != BOND_LINK_UP)
+		return true;
+	if (bond->force_primary) {
+		bond->force_primary = false;
+		return true;
+	}
+	if (bond->params.primary_reselect == BOND_PRI_RESELECT_BETTER &&
+	    (prim->speed < curr->speed ||
+	     (prim->speed == curr->speed && prim->duplex <= curr->duplex)))
+		return false;
+	if (bond->params.primary_reselect == BOND_PRI_RESELECT_FAILURE)
+		return false;
+	return true;
+}
 
 /**
  * find_best_interface - select the best available slave to be the active one
@@ -1094,7 +1129,8 @@ static struct slave *bond_find_best_slave(struct bonding *bond)
 	}
 
 	if ((bond->primary_slave) &&
-	    bond->primary_slave->link == BOND_LINK_UP) {
+	    bond->primary_slave->link == BOND_LINK_UP &&
+	    bond_should_change_active(bond)) {
 		new_active = bond->primary_slave;
 	}
 
@@ -1678,8 +1714,10 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
 
 	if (USES_PRIMARY(bond->params.mode) && bond->params.primary[0]) {
 		/* if there is a primary slave, remember it */
-		if (strcmp(bond->params.primary, new_slave->dev->name) == 0)
+		if (strcmp(bond->params.primary, new_slave->dev->name) == 0) {
 			bond->primary_slave = new_slave;
+			bond->force_primary = true;
+		}
 	}
 
 	write_lock_bh(&bond->curr_slave_lock);
@@ -3201,11 +3239,14 @@ static void bond_info_show_master(struct seq_file *seq)
 	}
 
 	if (USES_PRIMARY(bond->params.mode)) {
-		seq_printf(seq, "Primary Slave: %s\n",
+		seq_printf(seq, "Primary Slave: %s",
 			   (bond->primary_slave) ?
 			   bond->primary_slave->dev->name : "None");
+		if (bond->primary_slave)
+			seq_printf(seq, " (primary_reselect %s)",
+		   pri_reselect_tbl[bond->params.primary_reselect].modename);
 
-		seq_printf(seq, "Currently Active Slave: %s\n",
+		seq_printf(seq, "\nCurrently Active Slave: %s\n",
 			   (curr) ? curr->dev->name : "None");
 	}
 
@@ -4646,7 +4687,7 @@ int bond_parse_parm(const char *buf, const struct bond_parm_tbl *tbl)
 
 static int bond_check_params(struct bond_params *params)
 {
-	int arp_validate_value, fail_over_mac_value;
+	int arp_validate_value, fail_over_mac_value, primary_reselect_value;
 
 	/*
 	 * Convert string parameters.
@@ -4945,6 +4986,20 @@ static int bond_check_params(struct bond_params *params)
 		primary = NULL;
 	}
 
+	if (primary && primary_reselect) {
+		primary_reselect_value = bond_parse_parm(primary_reselect,
+							 pri_reselect_tbl);
+		if (primary_reselect_value == -1) {
+			pr_err(DRV_NAME
+			       ": Error: Invalid primary_reselect \"%s\"\n",
+			       primary_reselect ==
+					NULL ? "NULL" : primary_reselect);
+			return -EINVAL;
+		}
+	} else {
+		primary_reselect_value = BOND_PRI_RESELECT_ALWAYS;
+	}
+
 	if (fail_over_mac) {
 		fail_over_mac_value = bond_parse_parm(fail_over_mac,
 						      fail_over_mac_tbl);
@@ -4976,6 +5031,7 @@ static int bond_check_params(struct bond_params *params)
 	params->use_carrier = use_carrier;
 	params->lacp_fast = lacp_fast;
 	params->primary[0] = 0;
+	params->primary_reselect = primary_reselect_value;
 	params->fail_over_mac = fail_over_mac_value;
 
 	if (primary) {
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index ff449de6f3c..dca7d82f7b9 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -1212,6 +1212,58 @@ out:
 static DEVICE_ATTR(primary, S_IRUGO | S_IWUSR,
 		   bonding_show_primary, bonding_store_primary);
 
+/*
+ * Show and set the primary_reselect flag.
+ */
+static ssize_t bonding_show_primary_reselect(struct device *d,
+					     struct device_attribute *attr,
+					     char *buf)
+{
+	struct bonding *bond = to_bond(d);
+
+	return sprintf(buf, "%s %d\n",
+		       pri_reselect_tbl[bond->params.primary_reselect].modename,
+		       bond->params.primary_reselect);
+}
+
+static ssize_t bonding_store_primary_reselect(struct device *d,
+					      struct device_attribute *attr,
+					      const char *buf, size_t count)
+{
+	int new_value, ret = count;
+	struct bonding *bond = to_bond(d);
+
+	if (!rtnl_trylock())
+		return restart_syscall();
+
+	new_value = bond_parse_parm(buf, pri_reselect_tbl);
+	if (new_value < 0)  {
+		pr_err(DRV_NAME
+		       ": %s: Ignoring invalid primary_reselect value %.*s.\n",
+		       bond->dev->name,
+		       (int) strlen(buf) - 1, buf);
+		ret = -EINVAL;
+		goto out;
+	}
+
+	bond->params.primary_reselect = new_value;
+	pr_info(DRV_NAME ": %s: setting primary_reselect to %s (%d).\n",
+		bond->dev->name, pri_reselect_tbl[new_value].modename,
+		new_value);
+
+	read_lock(&bond->lock);
+	write_lock_bh(&bond->curr_slave_lock);
+	bond_select_active_slave(bond);
+	write_unlock_bh(&bond->curr_slave_lock);
+	read_unlock(&bond->lock);
+out:
+	rtnl_unlock();
+	return ret;
+}
+static DEVICE_ATTR(primary_reselect, S_IRUGO | S_IWUSR,
+		   bonding_show_primary_reselect,
+		   bonding_store_primary_reselect);
+
 /*
  * Show and set the use_carrier flag.
  */
@@ -1501,6 +1553,7 @@ static struct attribute *per_bond_attrs[] = {
 	&dev_attr_num_unsol_na.attr,
 	&dev_attr_miimon.attr,
 	&dev_attr_primary.attr,
+	&dev_attr_primary_reselect.attr,
 	&dev_attr_use_carrier.attr,
 	&dev_attr_active_slave.attr,
 	&dev_attr_mii_status.attr,
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index 68247714466..9c03c2ee074 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -23,8 +23,8 @@
 #include "bond_3ad.h"
 #include "bond_alb.h"
 
-#define DRV_VERSION	"3.5.0"
-#define DRV_RELDATE	"November 4, 2008"
+#define DRV_VERSION	"3.6.0"
+#define DRV_RELDATE	"September 26, 2009"
 #define DRV_NAME	"bonding"
 #define DRV_DESCRIPTION	"Ethernet Channel Bonding Driver"
 
@@ -131,6 +131,7 @@ struct bond_params {
 	int lacp_fast;
 	int ad_select;
 	char primary[IFNAMSIZ];
+	int primary_reselect;
 	__be32 arp_targets[BOND_MAX_ARP_TARGETS];
 };
 
@@ -190,6 +191,7 @@ struct bonding {
 	struct   slave *curr_active_slave;
 	struct   slave *current_arp_slave;
 	struct   slave *primary_slave;
+	bool     force_primary;
 	s32      slave_cnt; /* never change this value outside the attach/detach wrappers */
 	rwlock_t lock;
 	rwlock_t curr_slave_lock;
@@ -258,6 +260,10 @@ static inline bool bond_is_lb(const struct bonding *bond)
 		|| bond->params.mode == BOND_MODE_ALB;
 }
 
+#define BOND_PRI_RESELECT_ALWAYS	0
+#define BOND_PRI_RESELECT_BETTER	1
+#define BOND_PRI_RESELECT_FAILURE	2
+
 #define BOND_FOM_NONE			0
 #define BOND_FOM_ACTIVE			1
 #define BOND_FOM_FOLLOW			2
@@ -348,6 +354,7 @@ extern const struct bond_parm_tbl bond_mode_tbl[];
 extern const struct bond_parm_tbl xmit_hashtype_tbl[];
 extern const struct bond_parm_tbl arp_validate_tbl[];
 extern const struct bond_parm_tbl fail_over_mac_tbl[];
+extern const struct bond_parm_tbl pri_reselect_tbl[];
 extern struct bond_parm_tbl ad_select_tbl[];
 
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
-- 
GitLab


From 92d326f61b553250780786e9dd8609d4b32f8de7 Mon Sep 17 00:00:00 2001
From: Tilman Schmidt <tilman@imap.cc>
Date: Thu, 1 Oct 2009 04:28:44 +0000
Subject: [PATCH 0047/1815] net/ppp: fix comments -
 ppp_{sync,asynctty}_receive() may sleep

The receive_buf methods of the N_PPP and N_SYNC_PPP line disciplines,
ppp_asynctty_receive() and ppp_sync_receive(), call tty_unthrottle()
which may sleep. Fix the comments claiming otherwise.

Impact: documentation
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ppp_async.c   | 5 +----
 drivers/net/ppp_synctty.c | 5 +----
 2 files changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ppp_async.c b/drivers/net/ppp_async.c
index 6de8399d6dd..30b1b332676 100644
--- a/drivers/net/ppp_async.c
+++ b/drivers/net/ppp_async.c
@@ -337,10 +337,7 @@ ppp_asynctty_poll(struct tty_struct *tty, struct file *file, poll_table *wait)
 	return 0;
 }
 
-/*
- * This can now be called from hard interrupt level as well
- * as soft interrupt level or mainline.
- */
+/* May sleep, don't call from interrupt level or with interrupts disabled */
 static void
 ppp_asynctty_receive(struct tty_struct *tty, const unsigned char *buf,
 		  char *cflags, int count)
diff --git a/drivers/net/ppp_synctty.c b/drivers/net/ppp_synctty.c
index d2fa2db1358..c908b08dc98 100644
--- a/drivers/net/ppp_synctty.c
+++ b/drivers/net/ppp_synctty.c
@@ -378,10 +378,7 @@ ppp_sync_poll(struct tty_struct *tty, struct file *file, poll_table *wait)
 	return 0;
 }
 
-/*
- * This can now be called from hard interrupt level as well
- * as soft interrupt level or mainline.
- */
+/* May sleep, don't call from interrupt level or with interrupts disabled */
 static void
 ppp_sync_receive(struct tty_struct *tty, const unsigned char *buf,
 		  char *cflags, int count)
-- 
GitLab


From d250a5f90e53f5e150618186230795352d154c88 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 2 Oct 2009 10:32:18 +0000
Subject: [PATCH 0048/1815] pkt_sched: gen_estimator: Dont report fake rate
 estimators
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Jarek Poplawski a écrit :
>
>
> Hmm... So you made me to do some "real" work here, and guess what?:
> there is one serious checkpatch warning! ;-) Plus, this new parameter
> should be added to the function description. Otherwise:
> Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
>
> Thanks,
> Jarek P.
>
> PS: I guess full "Don't" would show we really mean it...

Okay :) Here is the last round, before the night !

Thanks again

[RFC] pkt_sched: gen_estimator: Don't report fake rate estimators

We currently send TCA_STATS_RATE_EST elements to netlink users, even if no estimator
is running.

# tc -s -d qdisc
qdisc pfifo_fast 0: dev eth0 root bands 3 priomap  1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
 Sent 112833764978 bytes 1495081739 pkt (dropped 0, overlimits 0 requeues 0)
 rate 0bit 0pps backlog 0b 0p requeues 0

User has no way to tell if the "rate 0bit 0pps" is a real estimation, or a fake
one (because no estimator is active)

After this patch, tc command output is :
$ tc -s -d qdisc
qdisc pfifo_fast 0: dev eth0 root bands 3 priomap  1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
 Sent 561075 bytes 1196 pkt (dropped 0, overlimits 0 requeues 0)
 backlog 0b 0p requeues 0

We add a parameter to gnet_stats_copy_rate_est() function so that
it can use gen_estimator_active(bstats, r), as suggested by Jarek.

This parameter can be NULL if check is not necessary, (htb for
example has a mandatory rate estimator)

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/gen_stats.h | 1 +
 net/core/gen_stats.c    | 8 +++++++-
 net/sched/act_api.c     | 3 ++-
 net/sched/sch_api.c     | 2 +-
 net/sched/sch_cbq.c     | 2 +-
 net/sched/sch_drr.c     | 2 +-
 net/sched/sch_hfsc.c    | 2 +-
 net/sched/sch_htb.c     | 2 +-
 8 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/include/net/gen_stats.h b/include/net/gen_stats.h
index c1488553e34..eb87a1447ae 100644
--- a/include/net/gen_stats.h
+++ b/include/net/gen_stats.h
@@ -30,6 +30,7 @@ extern int gnet_stats_start_copy_compat(struct sk_buff *skb, int type,
 extern int gnet_stats_copy_basic(struct gnet_dump *d,
 				 struct gnet_stats_basic_packed *b);
 extern int gnet_stats_copy_rate_est(struct gnet_dump *d,
+				    const struct gnet_stats_basic_packed *b,
 				    struct gnet_stats_rate_est *r);
 extern int gnet_stats_copy_queue(struct gnet_dump *d,
 				 struct gnet_stats_queue *q);
diff --git a/net/core/gen_stats.c b/net/core/gen_stats.c
index 8569310268a..393b1d8618e 100644
--- a/net/core/gen_stats.c
+++ b/net/core/gen_stats.c
@@ -127,6 +127,7 @@ gnet_stats_copy_basic(struct gnet_dump *d, struct gnet_stats_basic_packed *b)
 /**
  * gnet_stats_copy_rate_est - copy rate estimator statistics into statistics TLV
  * @d: dumping handle
+ * @b: basic statistics
  * @r: rate estimator statistics
  *
  * Appends the rate estimator statistics to the top level TLV created by
@@ -136,8 +137,13 @@ gnet_stats_copy_basic(struct gnet_dump *d, struct gnet_stats_basic_packed *b)
  * if the room in the socket buffer was not sufficient.
  */
 int
-gnet_stats_copy_rate_est(struct gnet_dump *d, struct gnet_stats_rate_est *r)
+gnet_stats_copy_rate_est(struct gnet_dump *d,
+			 const struct gnet_stats_basic_packed *b,
+			 struct gnet_stats_rate_est *r)
 {
+	if (b && !gen_estimator_active(b, r))
+		return 0;
+
 	if (d->compat_tc_stats) {
 		d->tc_stats.bps = r->bps;
 		d->tc_stats.pps = r->pps;
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index 2dfb3e7a040..ca2e1fd2bf6 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -618,7 +618,8 @@ int tcf_action_copy_stats(struct sk_buff *skb, struct tc_action *a,
 			goto errout;
 
 	if (gnet_stats_copy_basic(&d, &h->tcf_bstats) < 0 ||
-	    gnet_stats_copy_rate_est(&d, &h->tcf_rate_est) < 0 ||
+	    gnet_stats_copy_rate_est(&d, &h->tcf_bstats,
+				     &h->tcf_rate_est) < 0 ||
 	    gnet_stats_copy_queue(&d, &h->tcf_qstats) < 0)
 		goto errout;
 
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 903e4188b6c..1acfd29cc82 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -1179,7 +1179,7 @@ static int tc_fill_qdisc(struct sk_buff *skb, struct Qdisc *q, u32 clid,
 		goto nla_put_failure;
 
 	if (gnet_stats_copy_basic(&d, &q->bstats) < 0 ||
-	    gnet_stats_copy_rate_est(&d, &q->rate_est) < 0 ||
+	    gnet_stats_copy_rate_est(&d, &q->bstats, &q->rate_est) < 0 ||
 	    gnet_stats_copy_queue(&d, &q->qstats) < 0)
 		goto nla_put_failure;
 
diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c
index 5b132c47326..3846d65bc03 100644
--- a/net/sched/sch_cbq.c
+++ b/net/sched/sch_cbq.c
@@ -1609,7 +1609,7 @@ cbq_dump_class_stats(struct Qdisc *sch, unsigned long arg,
 		cl->xstats.undertime = cl->undertime - q->now;
 
 	if (gnet_stats_copy_basic(d, &cl->bstats) < 0 ||
-	    gnet_stats_copy_rate_est(d, &cl->rate_est) < 0 ||
+	    gnet_stats_copy_rate_est(d, &cl->bstats, &cl->rate_est) < 0 ||
 	    gnet_stats_copy_queue(d, &cl->qstats) < 0)
 		return -1;
 
diff --git a/net/sched/sch_drr.c b/net/sched/sch_drr.c
index 5a888af7e5d..a65604f8f2b 100644
--- a/net/sched/sch_drr.c
+++ b/net/sched/sch_drr.c
@@ -280,7 +280,7 @@ static int drr_dump_class_stats(struct Qdisc *sch, unsigned long arg,
 	}
 
 	if (gnet_stats_copy_basic(d, &cl->bstats) < 0 ||
-	    gnet_stats_copy_rate_est(d, &cl->rate_est) < 0 ||
+	    gnet_stats_copy_rate_est(d, &cl->bstats, &cl->rate_est) < 0 ||
 	    gnet_stats_copy_queue(d, &cl->qdisc->qstats) < 0)
 		return -1;
 
diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index 2c5c76be18f..b38b39c6075 100644
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -1375,7 +1375,7 @@ hfsc_dump_class_stats(struct Qdisc *sch, unsigned long arg,
 	xstats.rtwork  = cl->cl_cumul;
 
 	if (gnet_stats_copy_basic(d, &cl->bstats) < 0 ||
-	    gnet_stats_copy_rate_est(d, &cl->rate_est) < 0 ||
+	    gnet_stats_copy_rate_est(d, &cl->bstats, &cl->rate_est) < 0 ||
 	    gnet_stats_copy_queue(d, &cl->qstats) < 0)
 		return -1;
 
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index 85acab9dc6f..2e38d1abd83 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -1105,7 +1105,7 @@ htb_dump_class_stats(struct Qdisc *sch, unsigned long arg, struct gnet_dump *d)
 	cl->xstats.ctokens = cl->ctokens;
 
 	if (gnet_stats_copy_basic(d, &cl->bstats) < 0 ||
-	    gnet_stats_copy_rate_est(d, &cl->rate_est) < 0 ||
+	    gnet_stats_copy_rate_est(d, NULL, &cl->rate_est) < 0 ||
 	    gnet_stats_copy_queue(d, &cl->qstats) < 0)
 		return -1;
 
-- 
GitLab


From d73d3a8cb4723e161589864741d8528d70b350eb Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Mon, 5 Oct 2009 10:59:58 +0000
Subject: [PATCH 0049/1815] ethtool: Add reset operation

After updating firmware stored in flash, users may wish to reset the
relevant hardware and start the new firmware immediately.  This should
not be completely automatic as it may be disruptive.

A selective reset may also be useful for debugging or diagnostics.

This adds a separate reset operation which takes flags indicating the
components to be reset.  Drivers are allowed to reset only a subset of
those requested, and must indicate the actual subset.  This allows the
use of generic component masks and some future expansion.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/ethtool.h | 32 ++++++++++++++++++++++++++++++++
 net/core/ethtool.c      | 23 +++++++++++++++++++++++
 2 files changed, 55 insertions(+)

diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index aa0dcb3833d..eb1a48da2d4 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -498,6 +498,7 @@ struct ethtool_ops {
 	int	(*get_rxnfc)(struct net_device *, struct ethtool_rxnfc *, void *);
 	int	(*set_rxnfc)(struct net_device *, struct ethtool_rxnfc *);
 	int     (*flash_device)(struct net_device *, struct ethtool_flash *);
+	int	(*reset)(struct net_device *, u32 *);
 };
 #endif /* __KERNEL__ */
 
@@ -555,6 +556,7 @@ struct ethtool_ops {
 #define	ETHTOOL_SRXCLSRLDEL	0x00000031 /* Delete RX classification rule */
 #define	ETHTOOL_SRXCLSRLINS	0x00000032 /* Insert RX classification rule */
 #define	ETHTOOL_FLASHDEV	0x00000033 /* Flash firmware to device */
+#define	ETHTOOL_RESET		0x00000034 /* Reset hardware */
 
 /* compatibility with older code */
 #define SPARC_ETH_GSET		ETHTOOL_GSET
@@ -685,4 +687,34 @@ struct ethtool_ops {
 
 #define	RX_CLS_FLOW_DISC	0xffffffffffffffffULL
 
+/* Reset flags */
+/* The reset() operation must clear the flags for the components which
+ * were actually reset.  On successful return, the flags indicate the
+ * components which were not reset, either because they do not exist
+ * in the hardware or because they cannot be reset independently.  The
+ * driver must never reset any components that were not requested.
+ */
+enum ethtool_reset_flags {
+	/* These flags represent components dedicated to the interface
+	 * the command is addressed to.  Shift any flag left by
+	 * ETH_RESET_SHARED_SHIFT to reset a shared component of the
+	 * same type.
+	 */
+	ETH_RESET_MGMT		= 1 << 0,	/* Management processor */
+	ETH_RESET_IRQ		= 1 << 1,	/* Interrupt requester */
+	ETH_RESET_DMA		= 1 << 2,	/* DMA engine */
+	ETH_RESET_FILTER	= 1 << 3,	/* Filtering/flow direction */
+	ETH_RESET_OFFLOAD	= 1 << 4,	/* Protocol offload */
+	ETH_RESET_MAC		= 1 << 5,	/* Media access controller */
+	ETH_RESET_PHY		= 1 << 6,	/* Transceiver/PHY */
+	ETH_RESET_RAM		= 1 << 7,	/* RAM shared between
+						 * multiple components */
+
+	ETH_RESET_DEDICATED	= 0x0000ffff,	/* All components dedicated to
+						 * this interface */
+	ETH_RESET_ALL		= 0xffffffff,	/* All components used by this
+						 * interface, even if shared */
+};
+#define ETH_RESET_SHARED_SHIFT	16
+
 #endif /* _LINUX_ETHTOOL_H */
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index e1951084b97..d8aee584e8d 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -302,6 +302,26 @@ static int ethtool_get_regs(struct net_device *dev, char __user *useraddr)
 	return ret;
 }
 
+static int ethtool_reset(struct net_device *dev, char __user *useraddr)
+{
+	struct ethtool_value reset;
+	int ret;
+
+	if (!dev->ethtool_ops->reset)
+		return -EOPNOTSUPP;
+
+	if (copy_from_user(&reset, useraddr, sizeof(reset)))
+		return -EFAULT;
+
+	ret = dev->ethtool_ops->reset(dev, &reset.data);
+	if (ret)
+		return ret;
+
+	if (copy_to_user(useraddr, &reset, sizeof(reset)))
+		return -EFAULT;
+	return 0;
+}
+
 static int ethtool_get_wol(struct net_device *dev, char __user *useraddr)
 {
 	struct ethtool_wolinfo wol = { ETHTOOL_GWOL };
@@ -1089,6 +1109,9 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
 	case ETHTOOL_FLASHDEV:
 		rc = ethtool_flash_device(dev, useraddr);
 		break;
+	case ETHTOOL_RESET:
+		rc = ethtool_reset(dev, useraddr);
+		break;
 	default:
 		rc = -EOPNOTSUPP;
 	}
-- 
GitLab


From 51953d5bc43e468f24cc573a45cde1d32af129b8 Mon Sep 17 00:00:00 2001
From: Brian Haley <brian.haley@hp.com>
Date: Mon, 5 Oct 2009 08:24:16 +0000
Subject: [PATCH 0050/1815] Use sk_mark for IPv6 routing lookups

Atis Elsts wrote:
> Not sure if there is need to fill the mark from skb in tunnel xmit functions. In any case, it's not done for GRE or IPIP tunnels at the moment.

Ok, I'll just drop that part, I'm not sure what should be done in this case.

> Also, in this patch you are doing that for SIT (v6-in-v4) tunnels only, and not doing it for v4-in-v6 or v6-in-v6 tunnels. Any reason for that?

I just sent that patch out too quickly, here's a better one with the updates.

Add support for IPv6 route lookups using sk_mark.

Signed-off-by: Brian Haley <brian.haley@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/af_inet6.c              | 1 +
 net/ipv6/datagram.c              | 1 +
 net/ipv6/inet6_connection_sock.c | 1 +
 net/ipv6/ipv6_sockglue.c         | 1 +
 net/ipv6/syncookies.c            | 1 +
 net/ipv6/tcp_ipv6.c              | 4 ++++
 net/ipv6/udp.c                   | 2 ++
 7 files changed, 11 insertions(+)

diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index e127a32f954..da36497ae64 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -654,6 +654,7 @@ int inet6_sk_rebuild_header(struct sock *sk)
 		ipv6_addr_copy(&fl.fl6_src, &np->saddr);
 		fl.fl6_flowlabel = np->flow_label;
 		fl.oif = sk->sk_bound_dev_if;
+		fl.mark = sk->sk_mark;
 		fl.fl_ip_dport = inet->dport;
 		fl.fl_ip_sport = inet->sport;
 		security_sk_classify_flow(sk, &fl);
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index e2bdc6d83a4..a615b4dea6c 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -147,6 +147,7 @@ ipv4_connected:
 	ipv6_addr_copy(&fl.fl6_dst, &np->daddr);
 	ipv6_addr_copy(&fl.fl6_src, &np->saddr);
 	fl.oif = sk->sk_bound_dev_if;
+	fl.mark = sk->sk_mark;
 	fl.fl_ip_dport = inet->dport;
 	fl.fl_ip_sport = inet->sport;
 
diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c
index cc4797dd832..a9f4a21b31e 100644
--- a/net/ipv6/inet6_connection_sock.c
+++ b/net/ipv6/inet6_connection_sock.c
@@ -194,6 +194,7 @@ int inet6_csk_xmit(struct sk_buff *skb, int ipfragok)
 	fl.fl6_flowlabel = np->flow_label;
 	IP6_ECN_flow_xmit(sk, fl.fl6_flowlabel);
 	fl.oif = sk->sk_bound_dev_if;
+	fl.mark = sk->sk_mark;
 	fl.fl_ip_sport = inet->sport;
 	fl.fl_ip_dport = inet->dport;
 	security_sk_classify_flow(sk, &fl);
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 14f54eb5a7f..dc0f7366073 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -424,6 +424,7 @@ sticky_done:
 
 		fl.fl6_flowlabel = 0;
 		fl.oif = sk->sk_bound_dev_if;
+		fl.mark = sk->sk_mark;
 
 		if (optlen == 0)
 			goto update;
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index 6b6ae913b5d..cbe55e5d9f9 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -252,6 +252,7 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
 		}
 		ipv6_addr_copy(&fl.fl6_src, &ireq6->loc_addr);
 		fl.oif = sk->sk_bound_dev_if;
+		fl.mark = sk->sk_mark;
 		fl.fl_ip_dport = inet_rsk(req)->rmt_port;
 		fl.fl_ip_sport = inet_sk(sk)->sport;
 		security_req_classify_flow(req, &fl);
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 21d100b68b1..321aafd40dc 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -243,6 +243,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
 	ipv6_addr_copy(&fl.fl6_src,
 		       (saddr ? saddr : &np->saddr));
 	fl.oif = sk->sk_bound_dev_if;
+	fl.mark = sk->sk_mark;
 	fl.fl_ip_dport = usin->sin6_port;
 	fl.fl_ip_sport = inet->sport;
 
@@ -383,6 +384,7 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 			ipv6_addr_copy(&fl.fl6_dst, &np->daddr);
 			ipv6_addr_copy(&fl.fl6_src, &np->saddr);
 			fl.oif = sk->sk_bound_dev_if;
+			fl.mark = sk->sk_mark;
 			fl.fl_ip_dport = inet->dport;
 			fl.fl_ip_sport = inet->sport;
 			security_skb_classify_flow(skb, &fl);
@@ -477,6 +479,7 @@ static int tcp_v6_send_synack(struct sock *sk, struct request_sock *req)
 	ipv6_addr_copy(&fl.fl6_src, &treq->loc_addr);
 	fl.fl6_flowlabel = 0;
 	fl.oif = treq->iif;
+	fl.mark = sk->sk_mark;
 	fl.fl_ip_dport = inet_rsk(req)->rmt_port;
 	fl.fl_ip_sport = inet_rsk(req)->loc_port;
 	security_req_classify_flow(req, &fl);
@@ -1345,6 +1348,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
 		}
 		ipv6_addr_copy(&fl.fl6_src, &treq->loc_addr);
 		fl.oif = sk->sk_bound_dev_if;
+		fl.mark = sk->sk_mark;
 		fl.fl_ip_dport = inet_rsk(req)->rmt_port;
 		fl.fl_ip_sport = inet_rsk(req)->loc_port;
 		security_req_classify_flow(req, &fl);
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 3a60f12b34e..3842c557d6f 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -879,6 +879,8 @@ do_udp_sendmsg:
 	if (!fl.oif)
 		fl.oif = np->sticky_pktinfo.ipi6_ifindex;
 
+	fl.mark = sk->sk_mark;
+
 	if (msg->msg_controllen) {
 		opt = &opt_space;
 		memset(opt, 0, sizeof(struct ipv6_txoptions));
-- 
GitLab


From f7734fdf61ec6bb848e0bafc1fb8bad2c124bb50 Mon Sep 17 00:00:00 2001
From: Octavian Purdila <opurdila@ixiacom.com>
Date: Fri, 2 Oct 2009 11:39:15 +0000
Subject: [PATCH 0051/1815] make TLLAO option for NA packets configurable

On Friday 02 October 2009 20:53:51 you wrote:

> This is good although I would have shortened the name.

Ah, I knew I forgot something :) Here is v4.

tavi

>From 24d96d825b9fa832b22878cc6c990d5711968734 Mon Sep 17 00:00:00 2001
From: Octavian Purdila <opurdila@ixiacom.com>
Date: Fri, 2 Oct 2009 00:51:15 +0300
Subject: [PATCH] ipv6: new sysctl for sending TLLAO with unicast NAs

Neighbor advertisements responding to unicast neighbor solicitations
did not include the target link-layer address option. This patch adds
a new sysctl option (disabled by default) which controls whether this
option should be sent even with unicast NAs.

The need for this arose because certain routers expect the TLLAO in
some situations even as a response to unicast NS packets.

Moreover, RFC 2461 recommends sending this to avoid a race condition
(section 4.4, Target link-layer address)

Signed-off-by: Cosmin Ratiu <cratiu@ixiacom.com>
Signed-off-by: Octavian Purdila <opurdila@ixiacom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 Documentation/networking/ip-sysctl.txt | 18 ++++++++++++++++++
 include/linux/ipv6.h                   |  1 +
 net/ipv6/addrconf.c                    |  8 ++++++++
 net/ipv6/ndisc.c                       |  1 +
 4 files changed, 28 insertions(+)

diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index fbe427a6580..a0e134dd252 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -1086,6 +1086,24 @@ accept_dad - INTEGER
 	2: Enable DAD, and disable IPv6 operation if MAC-based duplicate
 	   link-local address has been found.
 
+force_tllao - BOOLEAN
+	Enable sending the target link-layer address option even when
+	responding to a unicast neighbor solicitation.
+	Default: FALSE
+
+	Quoting from RFC 2461, section 4.4, Target link-layer address:
+
+	"The option MUST be included for multicast solicitations in order to
+	avoid infinite Neighbor Solicitation "recursion" when the peer node
+	does not have a cache entry to return a Neighbor Advertisements
+	message.  When responding to unicast solicitations, the option can be
+	omitted since the sender of the solicitation has the correct link-
+	layer address; otherwise it would not have be able to send the unicast
+	solicitation in the first place. However, including the link-layer
+	address in this case adds little overhead and eliminates a potential
+	race condition where the sender deletes the cached link-layer address
+	prior to receiving a response to a previous solicitation."
+
 icmp/*:
 ratelimit - INTEGER
 	Limit the maximal rates for sending ICMPv6 packets.
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index c662efa6828..ae74ede1abe 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -167,6 +167,7 @@ struct ipv6_devconf {
 #endif
 	__s32		disable_ipv6;
 	__s32		accept_dad;
+	__s32		force_tllao;
 	void		*sysctl;
 };
 
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 1fd0a3d775d..bdcee6981c6 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -4352,6 +4352,14 @@ static struct addrconf_sysctl_table
 			.mode		=	0644,
 			.proc_handler	=	proc_dointvec,
 		},
+		{
+			.ctl_name       = CTL_UNNUMBERED,
+			.procname       = "force_tllao",
+			.data           = &ipv6_devconf.force_tllao,
+			.maxlen         = sizeof(int),
+			.mode           = 0644,
+			.proc_handler   = proc_dointvec
+		},
 		{
 			.ctl_name	=	0,	/* sentinel */
 		}
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index f74e4e2cdd0..3507cfe1e7a 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -598,6 +598,7 @@ static void ndisc_send_na(struct net_device *dev, struct neighbour *neigh,
 	icmp6h.icmp6_solicited = solicited;
 	icmp6h.icmp6_override = override;
 
+	inc_opt |= ifp->idev->cnf.force_tllao;
 	__ndisc_send(dev, neigh, daddr, src_addr,
 		     &icmp6h, solicited_addr,
 		     inc_opt ? ND_OPT_TARGET_LL_ADDR : 0);
-- 
GitLab


From ec1b4cf74c81bfd0fbe5bf62bafc86c45917e72f Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Mon, 5 Oct 2009 05:58:39 +0000
Subject: [PATCH 0052/1815] net: mark net_proto_ops as const

All usages of structure net_proto_ops should be declared const.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/isdn/mISDN/socket.c       | 3 +--
 drivers/net/pppox.c               | 2 +-
 include/net/bluetooth/bluetooth.h | 2 +-
 net/appletalk/ddp.c               | 2 +-
 net/atm/pvc.c                     | 2 +-
 net/atm/svc.c                     | 2 +-
 net/ax25/af_ax25.c                | 2 +-
 net/bluetooth/af_bluetooth.c      | 4 ++--
 net/bluetooth/bnep/sock.c         | 2 +-
 net/bluetooth/cmtp/sock.c         | 2 +-
 net/bluetooth/hci_sock.c          | 2 +-
 net/bluetooth/hidp/sock.c         | 2 +-
 net/bluetooth/l2cap.c             | 2 +-
 net/bluetooth/rfcomm/sock.c       | 2 +-
 net/bluetooth/sco.c               | 2 +-
 net/can/af_can.c                  | 2 +-
 net/decnet/af_decnet.c            | 2 +-
 net/econet/af_econet.c            | 2 +-
 net/ieee802154/af_ieee802154.c    | 2 +-
 net/ipv4/af_inet.c                | 2 +-
 net/ipv6/af_inet6.c               | 2 +-
 net/ipx/af_ipx.c                  | 2 +-
 net/irda/af_irda.c                | 2 +-
 net/iucv/af_iucv.c                | 2 +-
 net/key/af_key.c                  | 2 +-
 net/llc/af_llc.c                  | 2 +-
 net/netlink/af_netlink.c          | 2 +-
 net/netrom/af_netrom.c            | 2 +-
 net/packet/af_packet.c            | 2 +-
 net/phonet/af_phonet.c            | 2 +-
 net/rds/af_rds.c                  | 2 +-
 net/rose/af_rose.c                | 2 +-
 net/rxrpc/af_rxrpc.c              | 2 +-
 net/unix/af_unix.c                | 2 +-
 net/x25/af_x25.c                  | 2 +-
 35 files changed, 36 insertions(+), 37 deletions(-)

diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c
index feb0fa45b66..28182ed8dea 100644
--- a/drivers/isdn/mISDN/socket.c
+++ b/drivers/isdn/mISDN/socket.c
@@ -808,8 +808,7 @@ mISDN_sock_create(struct net *net, struct socket *sock, int proto)
 	return err;
 }
 
-static struct
-net_proto_family mISDN_sock_family_ops = {
+static const struct net_proto_family mISDN_sock_family_ops = {
 	.owner  = THIS_MODULE,
 	.family = PF_ISDN,
 	.create = mISDN_sock_create,
diff --git a/drivers/net/pppox.c b/drivers/net/pppox.c
index 4f6d33fbc67..c14ee24c05a 100644
--- a/drivers/net/pppox.c
+++ b/drivers/net/pppox.c
@@ -125,7 +125,7 @@ out:
 	return rc;
 }
 
-static struct net_proto_family pppox_proto_family = {
+static const struct net_proto_family pppox_proto_family = {
 	.family	= PF_PPPOX,
 	.create	= pppox_create,
 	.owner	= THIS_MODULE,
diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
index 718394e2c01..04a6908e38d 100644
--- a/include/net/bluetooth/bluetooth.h
+++ b/include/net/bluetooth/bluetooth.h
@@ -121,7 +121,7 @@ struct bt_sock_list {
 	rwlock_t          lock;
 };
 
-int  bt_sock_register(int proto, struct net_proto_family *ops);
+int  bt_sock_register(int proto, const struct net_proto_family *ops);
 int  bt_sock_unregister(int proto);
 void bt_sock_link(struct bt_sock_list *l, struct sock *s);
 void bt_sock_unlink(struct bt_sock_list *l, struct sock *s);
diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index b1a4290996b..abe38014b7f 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -1821,7 +1821,7 @@ static int atalk_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned lo
 #endif
 
 
-static struct net_proto_family atalk_family_ops = {
+static const struct net_proto_family atalk_family_ops = {
 	.family		= PF_APPLETALK,
 	.create		= atalk_create,
 	.owner		= THIS_MODULE,
diff --git a/net/atm/pvc.c b/net/atm/pvc.c
index d4c024504f9..a6e1fdbae87 100644
--- a/net/atm/pvc.c
+++ b/net/atm/pvc.c
@@ -137,7 +137,7 @@ static int pvc_create(struct net *net, struct socket *sock,int protocol)
 }
 
 
-static struct net_proto_family pvc_family_ops = {
+static const struct net_proto_family pvc_family_ops = {
 	.family = PF_ATMPVC,
 	.create = pvc_create,
 	.owner = THIS_MODULE,
diff --git a/net/atm/svc.c b/net/atm/svc.c
index f90d143c4b2..81935423331 100644
--- a/net/atm/svc.c
+++ b/net/atm/svc.c
@@ -666,7 +666,7 @@ static int svc_create(struct net *net, struct socket *sock,int protocol)
 }
 
 
-static struct net_proto_family svc_family_ops = {
+static const struct net_proto_family svc_family_ops = {
 	.family = PF_ATMSVC,
 	.create = svc_create,
 	.owner = THIS_MODULE,
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index f4546073037..f05306f168f 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -1961,7 +1961,7 @@ static const struct file_operations ax25_info_fops = {
 
 #endif
 
-static struct net_proto_family ax25_family_ops = {
+static const struct net_proto_family ax25_family_ops = {
 	.family =	PF_AX25,
 	.create =	ax25_create,
 	.owner	=	THIS_MODULE,
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index 8cfb5a84984..1f6e49c1cde 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -45,7 +45,7 @@
 
 /* Bluetooth sockets */
 #define BT_MAX_PROTO	8
-static struct net_proto_family *bt_proto[BT_MAX_PROTO];
+static const struct net_proto_family *bt_proto[BT_MAX_PROTO];
 static DEFINE_RWLOCK(bt_proto_lock);
 
 static struct lock_class_key bt_lock_key[BT_MAX_PROTO];
@@ -86,7 +86,7 @@ static inline void bt_sock_reclassify_lock(struct socket *sock, int proto)
 				bt_key_strings[proto], &bt_lock_key[proto]);
 }
 
-int bt_sock_register(int proto, struct net_proto_family *ops)
+int bt_sock_register(int proto, const struct net_proto_family *ops)
 {
 	int err = 0;
 
diff --git a/net/bluetooth/bnep/sock.c b/net/bluetooth/bnep/sock.c
index e857628b0b2..0a2c5460bb4 100644
--- a/net/bluetooth/bnep/sock.c
+++ b/net/bluetooth/bnep/sock.c
@@ -222,7 +222,7 @@ static int bnep_sock_create(struct net *net, struct socket *sock, int protocol)
 	return 0;
 }
 
-static struct net_proto_family bnep_sock_family_ops = {
+static const struct net_proto_family bnep_sock_family_ops = {
 	.family = PF_BLUETOOTH,
 	.owner	= THIS_MODULE,
 	.create = bnep_sock_create
diff --git a/net/bluetooth/cmtp/sock.c b/net/bluetooth/cmtp/sock.c
index 16b0fad74f6..de7c8040bc5 100644
--- a/net/bluetooth/cmtp/sock.c
+++ b/net/bluetooth/cmtp/sock.c
@@ -217,7 +217,7 @@ static int cmtp_sock_create(struct net *net, struct socket *sock, int protocol)
 	return 0;
 }
 
-static struct net_proto_family cmtp_sock_family_ops = {
+static const struct net_proto_family cmtp_sock_family_ops = {
 	.family	= PF_BLUETOOTH,
 	.owner	= THIS_MODULE,
 	.create	= cmtp_sock_create
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 75302a98606..e7395f23198 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -687,7 +687,7 @@ static int hci_sock_dev_event(struct notifier_block *this, unsigned long event,
 	return NOTIFY_DONE;
 }
 
-static struct net_proto_family hci_sock_family_ops = {
+static const struct net_proto_family hci_sock_family_ops = {
 	.family	= PF_BLUETOOTH,
 	.owner	= THIS_MODULE,
 	.create	= hci_sock_create,
diff --git a/net/bluetooth/hidp/sock.c b/net/bluetooth/hidp/sock.c
index 37c9d7d2e68..4beb6a7a295 100644
--- a/net/bluetooth/hidp/sock.c
+++ b/net/bluetooth/hidp/sock.c
@@ -268,7 +268,7 @@ static int hidp_sock_create(struct net *net, struct socket *sock, int protocol)
 	return 0;
 }
 
-static struct net_proto_family hidp_sock_family_ops = {
+static const struct net_proto_family hidp_sock_family_ops = {
 	.family	= PF_BLUETOOTH,
 	.owner	= THIS_MODULE,
 	.create	= hidp_sock_create
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 555d9da1869..4b66bd579f4 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -3916,7 +3916,7 @@ static const struct proto_ops l2cap_sock_ops = {
 	.getsockopt	= l2cap_sock_getsockopt
 };
 
-static struct net_proto_family l2cap_sock_family_ops = {
+static const struct net_proto_family l2cap_sock_family_ops = {
 	.family	= PF_BLUETOOTH,
 	.owner	= THIS_MODULE,
 	.create	= l2cap_sock_create,
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index 8a20aaf1f23..c7078650385 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -1101,7 +1101,7 @@ static const struct proto_ops rfcomm_sock_ops = {
 	.mmap		= sock_no_mmap
 };
 
-static struct net_proto_family rfcomm_sock_family_ops = {
+static const struct net_proto_family rfcomm_sock_family_ops = {
 	.family		= PF_BLUETOOTH,
 	.owner		= THIS_MODULE,
 	.create		= rfcomm_sock_create
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 77f4153bdb5..694a65541b7 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -993,7 +993,7 @@ static const struct proto_ops sco_sock_ops = {
 	.getsockopt	= sco_sock_getsockopt
 };
 
-static struct net_proto_family sco_sock_family_ops = {
+static const struct net_proto_family sco_sock_family_ops = {
 	.family	= PF_BLUETOOTH,
 	.owner	= THIS_MODULE,
 	.create	= sco_sock_create,
diff --git a/net/can/af_can.c b/net/can/af_can.c
index 60683211567..3f2eb27e1ff 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -842,7 +842,7 @@ static struct packet_type can_packet __read_mostly = {
 	.func = can_rcv,
 };
 
-static struct net_proto_family can_family_ops __read_mostly = {
+static const struct net_proto_family can_family_ops = {
 	.family = PF_CAN,
 	.create = can_create,
 	.owner  = THIS_MODULE,
diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index 7a58c87baf1..4d3060660a1 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -2325,7 +2325,7 @@ static const struct file_operations dn_socket_seq_fops = {
 };
 #endif
 
-static struct net_proto_family	dn_family_ops = {
+static const struct net_proto_family	dn_family_ops = {
 	.family =	AF_DECnet,
 	.create =	dn_create,
 	.owner	=	THIS_MODULE,
diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c
index 0e0254fd767..6529be3a18b 100644
--- a/net/econet/af_econet.c
+++ b/net/econet/af_econet.c
@@ -742,7 +742,7 @@ static int econet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg
 	return 0;
 }
 
-static struct net_proto_family econet_family_ops = {
+static const struct net_proto_family econet_family_ops = {
 	.family =	PF_ECONET,
 	.create =	econet_create,
 	.owner	=	THIS_MODULE,
diff --git a/net/ieee802154/af_ieee802154.c b/net/ieee802154/af_ieee802154.c
index cd949d5e451..309348fba72 100644
--- a/net/ieee802154/af_ieee802154.c
+++ b/net/ieee802154/af_ieee802154.c
@@ -285,7 +285,7 @@ out:
 	return rc;
 }
 
-static struct net_proto_family ieee802154_family_ops = {
+static const struct net_proto_family ieee802154_family_ops = {
 	.family		= PF_IEEE802154,
 	.create		= ieee802154_create,
 	.owner		= THIS_MODULE,
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 57737b8d171..1deff48b122 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -931,7 +931,7 @@ static const struct proto_ops inet_sockraw_ops = {
 #endif
 };
 
-static struct net_proto_family inet_family_ops = {
+static const struct net_proto_family inet_family_ops = {
 	.family = PF_INET,
 	.create = inet_create,
 	.owner	= THIS_MODULE,
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index da36497ae64..94216519873 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -552,7 +552,7 @@ const struct proto_ops inet6_dgram_ops = {
 #endif
 };
 
-static struct net_proto_family inet6_family_ops = {
+static const struct net_proto_family inet6_family_ops = {
 	.family = PF_INET6,
 	.create = inet6_create,
 	.owner	= THIS_MODULE,
diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c
index 66c7a20011f..6481ee4bdf7 100644
--- a/net/ipx/af_ipx.c
+++ b/net/ipx/af_ipx.c
@@ -1927,7 +1927,7 @@ static int ipx_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long
  * Socket family declarations
  */
 
-static struct net_proto_family ipx_family_ops = {
+static const struct net_proto_family ipx_family_ops = {
 	.family		= PF_IPX,
 	.create		= ipx_create,
 	.owner		= THIS_MODULE,
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index dd35641835f..9429e4002bc 100644
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -2463,7 +2463,7 @@ bed:
 	return 0;
 }
 
-static struct net_proto_family irda_family_ops = {
+static const struct net_proto_family irda_family_ops = {
 	.family = PF_IRDA,
 	.create = irda_create,
 	.owner	= THIS_MODULE,
diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index bada1b9c670..004134b60d8 100644
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -1715,7 +1715,7 @@ static const struct proto_ops iucv_sock_ops = {
 	.getsockopt	= iucv_sock_getsockopt,
 };
 
-static struct net_proto_family iucv_sock_family_ops = {
+static const struct net_proto_family iucv_sock_family_ops = {
 	.family	= AF_IUCV,
 	.owner	= THIS_MODULE,
 	.create	= iucv_sock_create,
diff --git a/net/key/af_key.c b/net/key/af_key.c
index 4e98193dfa0..c078ae6e975 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -3644,7 +3644,7 @@ static const struct proto_ops pfkey_ops = {
 	.recvmsg	=	pfkey_recvmsg,
 };
 
-static struct net_proto_family pfkey_family_ops = {
+static const struct net_proto_family pfkey_family_ops = {
 	.family	=	PF_KEY,
 	.create	=	pfkey_create,
 	.owner	=	THIS_MODULE,
diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index 7aa4fd17010..4866b4fb0c2 100644
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -1092,7 +1092,7 @@ out:
 	return rc;
 }
 
-static struct net_proto_family llc_ui_family_ops = {
+static const struct net_proto_family llc_ui_family_ops = {
 	.family = PF_LLC,
 	.create = llc_ui_create,
 	.owner	= THIS_MODULE,
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 19e98007691..0cd2d882931 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -2050,7 +2050,7 @@ static const struct proto_ops netlink_ops = {
 	.sendpage =	sock_no_sendpage,
 };
 
-static struct net_proto_family netlink_family_ops = {
+static const struct net_proto_family netlink_family_ops = {
 	.family = PF_NETLINK,
 	.create = netlink_create,
 	.owner	= THIS_MODULE,	/* for consistency 8) */
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index 7a834952f67..281fa597cae 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -1372,7 +1372,7 @@ static const struct file_operations nr_info_fops = {
 };
 #endif	/* CONFIG_PROC_FS */
 
-static struct net_proto_family nr_family_ops = {
+static const struct net_proto_family nr_family_ops = {
 	.family		=	PF_NETROM,
 	.create		=	nr_create,
 	.owner		=	THIS_MODULE,
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index efc1174af71..70073a0dea5 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -2399,7 +2399,7 @@ static const struct proto_ops packet_ops = {
 	.sendpage =	sock_no_sendpage,
 };
 
-static struct net_proto_family packet_family_ops = {
+static const struct net_proto_family packet_family_ops = {
 	.family =	PF_PACKET,
 	.create =	packet_create,
 	.owner	=	THIS_MODULE,
diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c
index f60c0c2aacb..c711d58b4bb 100644
--- a/net/phonet/af_phonet.c
+++ b/net/phonet/af_phonet.c
@@ -118,7 +118,7 @@ out:
 	return err;
 }
 
-static struct net_proto_family phonet_proto_family = {
+static const struct net_proto_family phonet_proto_family = {
 	.family = PF_PHONET,
 	.create = pn_socket_create,
 	.owner = THIS_MODULE,
diff --git a/net/rds/af_rds.c b/net/rds/af_rds.c
index 98e05382fd3..a202e5b3607 100644
--- a/net/rds/af_rds.c
+++ b/net/rds/af_rds.c
@@ -431,7 +431,7 @@ void rds_sock_put(struct rds_sock *rs)
 	sock_put(rds_rs_to_sk(rs));
 }
 
-static struct net_proto_family rds_family_ops = {
+static const struct net_proto_family rds_family_ops = {
 	.family =	AF_RDS,
 	.create =	rds_create,
 	.owner	=	THIS_MODULE,
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index 502cce76621..c17734c2ce8 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -1509,7 +1509,7 @@ static const struct file_operations rose_info_fops = {
 };
 #endif	/* CONFIG_PROC_FS */
 
-static struct net_proto_family rose_family_ops = {
+static const struct net_proto_family rose_family_ops = {
 	.family		=	PF_ROSE,
 	.create		=	rose_create,
 	.owner		=	THIS_MODULE,
diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c
index a86afceaa94..6817c9781ef 100644
--- a/net/rxrpc/af_rxrpc.c
+++ b/net/rxrpc/af_rxrpc.c
@@ -777,7 +777,7 @@ static struct proto rxrpc_proto = {
 	.max_header	= sizeof(struct rxrpc_header),
 };
 
-static struct net_proto_family rxrpc_family_ops = {
+static const struct net_proto_family rxrpc_family_ops = {
 	.family	= PF_RXRPC,
 	.create = rxrpc_create,
 	.owner	= THIS_MODULE,
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 51ab497115e..0f133c5a8d3 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -2214,7 +2214,7 @@ static const struct file_operations unix_seq_fops = {
 
 #endif
 
-static struct net_proto_family unix_family_ops = {
+static const struct net_proto_family unix_family_ops = {
 	.family = PF_UNIX,
 	.create = unix_create,
 	.owner	= THIS_MODULE,
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index 7fa9c7ad3d3..ebbfe6bbbff 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -1476,7 +1476,7 @@ static int x25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 	return rc;
 }
 
-static struct net_proto_family x25_family_ops = {
+static const struct net_proto_family x25_family_ops = {
 	.family =	AF_X25,
 	.create =	x25_create,
 	.owner	=	THIS_MODULE,
-- 
GitLab


From 32953543221cfe2bf0a24205fab225e5b8ed81a0 Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Mon, 5 Oct 2009 06:01:03 +0000
Subject: [PATCH 0053/1815] dcb: data center bridging ops should be r/o

The data center bridging ops structure can be const

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ixgbe/ixgbe.h        | 2 +-
 drivers/net/ixgbe/ixgbe_dcb_nl.c | 2 +-
 include/linux/netdevice.h        | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h
index 385be601666..28f32da794d 100644
--- a/drivers/net/ixgbe/ixgbe.h
+++ b/drivers/net/ixgbe/ixgbe.h
@@ -397,7 +397,7 @@ enum ixgbe_boards {
 extern struct ixgbe_info ixgbe_82598_info;
 extern struct ixgbe_info ixgbe_82599_info;
 #ifdef CONFIG_IXGBE_DCB
-extern struct dcbnl_rtnl_ops dcbnl_ops;
+extern const struct dcbnl_rtnl_ops dcbnl_ops;
 extern int ixgbe_copy_dcb_cfg(struct ixgbe_dcb_config *src_dcb_cfg,
                               struct ixgbe_dcb_config *dst_dcb_cfg,
                               int tc_max);
diff --git a/drivers/net/ixgbe/ixgbe_dcb_nl.c b/drivers/net/ixgbe/ixgbe_dcb_nl.c
index a6bc1ef28f9..3c7a79a7d7c 100644
--- a/drivers/net/ixgbe/ixgbe_dcb_nl.c
+++ b/drivers/net/ixgbe/ixgbe_dcb_nl.c
@@ -563,7 +563,7 @@ static u8 ixgbe_dcbnl_setapp(struct net_device *netdev,
 	return rval;
 }
 
-struct dcbnl_rtnl_ops dcbnl_ops = {
+const struct dcbnl_rtnl_ops dcbnl_ops = {
 	.getstate	= ixgbe_dcbnl_get_state,
 	.setstate	= ixgbe_dcbnl_set_state,
 	.getpermhwaddr	= ixgbe_dcbnl_get_perm_hw_addr,
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 94958c10976..b332eefebb1 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -909,7 +909,7 @@ struct net_device
 
 #ifdef CONFIG_DCB
 	/* Data Center Bridging netlink ops */
-	struct dcbnl_rtnl_ops *dcbnl_ops;
+	const struct dcbnl_rtnl_ops *dcbnl_ops;
 #endif
 
 #if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
-- 
GitLab


From 78122a52b39c9527fa3a32afbb6572964c17c651 Mon Sep 17 00:00:00 2001
From: Ajit Khaparde <ajitk@serverengines.com>
Date: Wed, 7 Oct 2009 03:11:20 -0700
Subject: [PATCH 0054/1815] be2net: Get rid of net_device_stats from adapter.

adapter doesnot need to maintain a copy of net_device_stats.
Use the one already available in net_device. This patch takes care of the same.

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/benet/be.h         | 1 -
 drivers/net/benet/be_ethtool.c | 2 +-
 drivers/net/benet/be_main.c    | 6 ++----
 3 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h
index a80da0e14a5..4b61a915422 100644
--- a/drivers/net/benet/be.h
+++ b/drivers/net/benet/be.h
@@ -181,7 +181,6 @@ struct be_drvr_stats {
 
 struct be_stats_obj {
 	struct be_drvr_stats drvr_stats;
-	struct net_device_stats net_stats;
 	struct be_dma_mem cmd;
 };
 
diff --git a/drivers/net/benet/be_ethtool.c b/drivers/net/benet/be_ethtool.c
index 77c66da8738..333729bd6d9 100644
--- a/drivers/net/benet/be_ethtool.c
+++ b/drivers/net/benet/be_ethtool.c
@@ -234,7 +234,7 @@ be_get_ethtool_stats(struct net_device *netdev,
 	struct be_rxf_stats *rxf_stats = &hw_stats->rxf;
 	struct be_port_rxf_stats *port_stats =
 			&rxf_stats->port[adapter->port_num];
-	struct net_device_stats *net_stats = &adapter->stats.net_stats;
+	struct net_device_stats *net_stats = &netdev->stats;
 	struct be_erx_stats *erx_stats = &hw_stats->erx;
 	void *p = NULL;
 	int i;
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index 6d5e81f7046..0e92a1f055a 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -141,7 +141,7 @@ void netdev_stats_update(struct be_adapter *adapter)
 	struct be_rxf_stats *rxf_stats = &hw_stats->rxf;
 	struct be_port_rxf_stats *port_stats =
 			&rxf_stats->port[adapter->port_num];
-	struct net_device_stats *dev_stats = &adapter->stats.net_stats;
+	struct net_device_stats *dev_stats = &adapter->netdev->stats;
 	struct be_erx_stats *erx_stats = &hw_stats->erx;
 
 	dev_stats->rx_packets = port_stats->rx_total_frames;
@@ -269,9 +269,7 @@ static void be_rx_eqd_update(struct be_adapter *adapter)
 
 static struct net_device_stats *be_get_stats(struct net_device *dev)
 {
-	struct be_adapter *adapter = netdev_priv(dev);
-
-	return &adapter->stats.net_stats;
+	return &dev->stats;
 }
 
 static u32 be_calc_rate(u64 bytes, unsigned long ticks)
-- 
GitLab


From 4d6b228d84ba992ee13c90312c1ed539191c94b1 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Mon, 7 Sep 2009 04:52:26 -0700
Subject: [PATCH 0055/1815] ath9k: use ath_hw for DPRINTF() and debug init/exit

DPRINTF() is used in hw specific related code, as such
ensure we don't rely on the private driver core ath_softc
struct when calling it. Drivers can then implement their
own DPRINTF() as they see fit.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/ahb.c         |   2 +-
 drivers/net/wireless/ath/ath9k/ani.c         |  44 +++---
 drivers/net/wireless/ath/ath9k/beacon.c      |  32 ++--
 drivers/net/wireless/ath/ath9k/btcoex.c      |   8 +-
 drivers/net/wireless/ath/ath9k/calib.c       | 102 ++++++-------
 drivers/net/wireless/ath/ath9k/debug.c       |  16 +-
 drivers/net/wireless/ath/ath9k/debug.h       |  15 +-
 drivers/net/wireless/ath/ath9k/eeprom_4k.c   |  24 +--
 drivers/net/wireless/ath/ath9k/eeprom_9287.c |  24 +--
 drivers/net/wireless/ath/ath9k/eeprom_def.c  |  24 +--
 drivers/net/wireless/ath/ath9k/hw.c          | 120 +++++++--------
 drivers/net/wireless/ath/ath9k/mac.c         |  48 +++---
 drivers/net/wireless/ath/ath9k/main.c        | 148 ++++++++++---------
 drivers/net/wireless/ath/ath9k/phy.c         |  10 +-
 drivers/net/wireless/ath/ath9k/rc.c          |  15 +-
 drivers/net/wireless/ath/ath9k/recv.c        |  18 +--
 drivers/net/wireless/ath/ath9k/xmit.c        |  46 +++---
 17 files changed, 356 insertions(+), 340 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ahb.c b/drivers/net/wireless/ath/ath9k/ahb.c
index 2ad7d0280f7..41e16ed2f07 100644
--- a/drivers/net/wireless/ath/ath9k/ahb.c
+++ b/drivers/net/wireless/ath/ath9k/ahb.c
@@ -40,7 +40,7 @@ static bool ath_ahb_eeprom_read(struct ath_hw *ah, u32 off, u16 *data)
 
 	pdata = (struct ath9k_platform_data *) pdev->dev.platform_data;
 	if (off >= (ARRAY_SIZE(pdata->eeprom_data))) {
-		DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+		DPRINTF(ah, ATH_DBG_FATAL,
 			"%s: flash read failed, offset %08x is out of range\n",
 				__func__, off);
 		return false;
diff --git a/drivers/net/wireless/ath/ath9k/ani.c b/drivers/net/wireless/ath/ath9k/ani.c
index 2b493742ef1..e4f9559d25b 100644
--- a/drivers/net/wireless/ath/ath9k/ani.c
+++ b/drivers/net/wireless/ath/ath9k/ani.c
@@ -31,7 +31,7 @@ static int ath9k_hw_get_ani_channel_idx(struct ath_hw *ah,
 		}
 	}
 
-	DPRINTF(ah->ah_sc, ATH_DBG_ANI,
+	DPRINTF(ah, ATH_DBG_ANI,
 		"No more channel states left. Using channel 0\n");
 
 	return 0;
@@ -47,7 +47,7 @@ static bool ath9k_hw_ani_control(struct ath_hw *ah,
 		u32 level = param;
 
 		if (level >= ARRAY_SIZE(ah->totalSizeDesired)) {
-			DPRINTF(ah->ah_sc, ATH_DBG_ANI,
+			DPRINTF(ah, ATH_DBG_ANI,
 				"level out of range (%u > %u)\n",
 				level,
 				(unsigned)ARRAY_SIZE(ah->totalSizeDesired));
@@ -152,7 +152,7 @@ static bool ath9k_hw_ani_control(struct ath_hw *ah,
 		u32 level = param;
 
 		if (level >= ARRAY_SIZE(firstep)) {
-			DPRINTF(ah->ah_sc, ATH_DBG_ANI,
+			DPRINTF(ah, ATH_DBG_ANI,
 				"level out of range (%u > %u)\n",
 				level,
 				(unsigned) ARRAY_SIZE(firstep));
@@ -174,7 +174,7 @@ static bool ath9k_hw_ani_control(struct ath_hw *ah,
 		u32 level = param;
 
 		if (level >= ARRAY_SIZE(cycpwrThr1)) {
-			DPRINTF(ah->ah_sc, ATH_DBG_ANI,
+			DPRINTF(ah, ATH_DBG_ANI,
 				"level out of range (%u > %u)\n",
 				level,
 				(unsigned)
@@ -194,23 +194,23 @@ static bool ath9k_hw_ani_control(struct ath_hw *ah,
 	case ATH9K_ANI_PRESENT:
 		break;
 	default:
-		DPRINTF(ah->ah_sc, ATH_DBG_ANI,
+		DPRINTF(ah, ATH_DBG_ANI,
 			"invalid cmd %u\n", cmd);
 		return false;
 	}
 
-	DPRINTF(ah->ah_sc, ATH_DBG_ANI, "ANI parameters:\n");
-	DPRINTF(ah->ah_sc, ATH_DBG_ANI,
+	DPRINTF(ah, ATH_DBG_ANI, "ANI parameters:\n");
+	DPRINTF(ah, ATH_DBG_ANI,
 		"noiseImmunityLevel=%d, spurImmunityLevel=%d, "
 		"ofdmWeakSigDetectOff=%d\n",
 		aniState->noiseImmunityLevel, aniState->spurImmunityLevel,
 		!aniState->ofdmWeakSigDetectOff);
-	DPRINTF(ah->ah_sc, ATH_DBG_ANI,
+	DPRINTF(ah, ATH_DBG_ANI,
 		"cckWeakSigThreshold=%d, "
 		"firstepLevel=%d, listenTime=%d\n",
 		aniState->cckWeakSigThreshold, aniState->firstepLevel,
 		aniState->listenTime);
-	DPRINTF(ah->ah_sc, ATH_DBG_ANI,
+	DPRINTF(ah, ATH_DBG_ANI,
 		"cycleCount=%d, ofdmPhyErrCount=%d, cckPhyErrCount=%d\n\n",
 		aniState->cycleCount, aniState->ofdmPhyErrCount,
 		aniState->cckPhyErrCount);
@@ -240,7 +240,7 @@ static void ath9k_ani_restart(struct ath_hw *ah)
 
 	if (aniState->ofdmTrigHigh > AR_PHY_COUNTMAX) {
 		aniState->ofdmPhyErrBase = 0;
-		DPRINTF(ah->ah_sc, ATH_DBG_ANI,
+		DPRINTF(ah, ATH_DBG_ANI,
 			"OFDM Trigger is too high for hw counters\n");
 	} else {
 		aniState->ofdmPhyErrBase =
@@ -248,13 +248,13 @@ static void ath9k_ani_restart(struct ath_hw *ah)
 	}
 	if (aniState->cckTrigHigh > AR_PHY_COUNTMAX) {
 		aniState->cckPhyErrBase = 0;
-		DPRINTF(ah->ah_sc, ATH_DBG_ANI,
+		DPRINTF(ah, ATH_DBG_ANI,
 			"CCK Trigger is too high for hw counters\n");
 	} else {
 		aniState->cckPhyErrBase =
 			AR_PHY_COUNTMAX - aniState->cckTrigHigh;
 	}
-	DPRINTF(ah->ah_sc, ATH_DBG_ANI,
+	DPRINTF(ah, ATH_DBG_ANI,
 		"Writing ofdmbase=%u   cckbase=%u\n",
 		aniState->ofdmPhyErrBase,
 		aniState->cckPhyErrBase);
@@ -475,7 +475,7 @@ void ath9k_ani_reset(struct ath_hw *ah)
 
 	if (DO_ANI(ah) && ah->opmode != NL80211_IFTYPE_STATION
 	    && ah->opmode != NL80211_IFTYPE_ADHOC) {
-		DPRINTF(ah->ah_sc, ATH_DBG_ANI,
+		DPRINTF(ah, ATH_DBG_ANI,
 			"Reset ANI state opmode %u\n", ah->opmode);
 		ah->stats.ast_ani_reset++;
 
@@ -569,7 +569,7 @@ void ath9k_hw_ani_monitor(struct ath_hw *ah,
 	if (phyCnt1 < aniState->ofdmPhyErrBase ||
 	    phyCnt2 < aniState->cckPhyErrBase) {
 		if (phyCnt1 < aniState->ofdmPhyErrBase) {
-			DPRINTF(ah->ah_sc, ATH_DBG_ANI,
+			DPRINTF(ah, ATH_DBG_ANI,
 				"phyCnt1 0x%x, resetting "
 				"counter value to 0x%x\n",
 				phyCnt1, aniState->ofdmPhyErrBase);
@@ -579,7 +579,7 @@ void ath9k_hw_ani_monitor(struct ath_hw *ah,
 				  AR_PHY_ERR_OFDM_TIMING);
 		}
 		if (phyCnt2 < aniState->cckPhyErrBase) {
-			DPRINTF(ah->ah_sc, ATH_DBG_ANI,
+			DPRINTF(ah, ATH_DBG_ANI,
 				"phyCnt2 0x%x, resetting "
 				"counter value to 0x%x\n",
 				phyCnt2, aniState->cckPhyErrBase);
@@ -624,7 +624,7 @@ void ath9k_hw_ani_monitor(struct ath_hw *ah,
 
 void ath9k_enable_mib_counters(struct ath_hw *ah)
 {
-	DPRINTF(ah->ah_sc, ATH_DBG_ANI, "Enable MIB counters\n");
+	DPRINTF(ah, ATH_DBG_ANI, "Enable MIB counters\n");
 
 	ath9k_hw_update_mibstats(ah, &ah->ah_mibStats);
 
@@ -640,7 +640,7 @@ void ath9k_enable_mib_counters(struct ath_hw *ah)
 /* Freeze the MIB counters, get the stats and then clear them */
 void ath9k_hw_disable_mib_counters(struct ath_hw *ah)
 {
-	DPRINTF(ah->ah_sc, ATH_DBG_ANI, "Disable MIB counters\n");
+	DPRINTF(ah, ATH_DBG_ANI, "Disable MIB counters\n");
 	REG_WRITE(ah, AR_MIBC, AR_MIBC_FMC);
 	ath9k_hw_update_mibstats(ah, &ah->ah_mibStats);
 	REG_WRITE(ah, AR_MIBC, AR_MIBC_CMC);
@@ -662,7 +662,7 @@ u32 ath9k_hw_GetMibCycleCountsPct(struct ath_hw *ah,
 	u32 cc = REG_READ(ah, AR_CCCNT);
 
 	if (cycles == 0 || cycles > cc) {
-		DPRINTF(ah->ah_sc, ATH_DBG_ANI,
+		DPRINTF(ah, ATH_DBG_ANI,
 			"cycle counter wrap. ExtBusy = 0\n");
 		good = 0;
 	} else {
@@ -764,7 +764,7 @@ void ath9k_hw_ani_init(struct ath_hw *ah)
 {
 	int i;
 
-	DPRINTF(ah->ah_sc, ATH_DBG_ANI, "Initialize ANI\n");
+	DPRINTF(ah, ATH_DBG_ANI, "Initialize ANI\n");
 
 	memset(ah->ani, 0, sizeof(ah->ani));
 	for (i = 0; i < ARRAY_SIZE(ah->ani); i++) {
@@ -786,10 +786,10 @@ void ath9k_hw_ani_init(struct ath_hw *ah)
 			AR_PHY_COUNTMAX - ATH9K_ANI_CCK_TRIG_HIGH;
 	}
 
-	DPRINTF(ah->ah_sc, ATH_DBG_ANI,
+	DPRINTF(ah, ATH_DBG_ANI,
 		"Setting OfdmErrBase = 0x%08x\n",
 		ah->ani[0].ofdmPhyErrBase);
-	DPRINTF(ah->ah_sc, ATH_DBG_ANI, "Setting cckErrBase = 0x%08x\n",
+	DPRINTF(ah, ATH_DBG_ANI, "Setting cckErrBase = 0x%08x\n",
 		ah->ani[0].cckPhyErrBase);
 
 	REG_WRITE(ah, AR_PHY_ERR_1, ah->ani[0].ofdmPhyErrBase);
@@ -803,7 +803,7 @@ void ath9k_hw_ani_init(struct ath_hw *ah)
 
 void ath9k_hw_ani_disable(struct ath_hw *ah)
 {
-	DPRINTF(ah->ah_sc, ATH_DBG_ANI, "Disabling ANI\n");
+	DPRINTF(ah, ATH_DBG_ANI, "Disabling ANI\n");
 
 	ath9k_hw_disable_mib_counters(ah);
 	REG_WRITE(ah, AR_PHY_ERR_1, 0);
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index 45c4ea57616..6e7a519d0a9 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -42,7 +42,7 @@ static int ath_beaconq_config(struct ath_softc *sc)
 	}
 
 	if (!ath9k_hw_set_txq_props(ah, sc->beacon.beaconq, &qi)) {
-		DPRINTF(sc, ATH_DBG_FATAL,
+		DPRINTF(ah, ATH_DBG_FATAL,
 			"Unable to update h/w beacon queue parameters\n");
 		return 0;
 	} else {
@@ -172,7 +172,7 @@ static struct ath_buf *ath_beacon_generate(struct ieee80211_hw *hw,
 	if (unlikely(dma_mapping_error(sc->dev, bf->bf_buf_addr))) {
 		dev_kfree_skb_any(skb);
 		bf->bf_mpdu = NULL;
-		DPRINTF(sc, ATH_DBG_FATAL, "dma_mapping_error on beaconing\n");
+		DPRINTF(sc->sc_ah, ATH_DBG_FATAL, "dma_mapping_error on beaconing\n");
 		return NULL;
 	}
 
@@ -192,7 +192,7 @@ static struct ath_buf *ath_beacon_generate(struct ieee80211_hw *hw,
 
 	if (skb && cabq_depth) {
 		if (sc->nvifs > 1) {
-			DPRINTF(sc, ATH_DBG_BEACON,
+			DPRINTF(sc->sc_ah, ATH_DBG_BEACON,
 				"Flushing previous cabq traffic\n");
 			ath_draintxq(sc, cabq, false);
 		}
@@ -233,7 +233,7 @@ static void ath_beacon_start_adhoc(struct ath_softc *sc,
 	/* NB: caller is known to have already stopped tx dma */
 	ath9k_hw_puttxbuf(ah, sc->beacon.beaconq, bf->bf_daddr);
 	ath9k_hw_txstart(ah, sc->beacon.beaconq);
-	DPRINTF(sc, ATH_DBG_BEACON, "TXDP%u = %llx (%p)\n",
+	DPRINTF(ah, ATH_DBG_BEACON, "TXDP%u = %llx (%p)\n",
 		sc->beacon.beaconq, ito64(bf->bf_daddr), bf->bf_desc);
 }
 
@@ -309,7 +309,7 @@ int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif)
 	/* NB: the beacon data buffer must be 32-bit aligned. */
 	skb = ieee80211_beacon_get(sc->hw, vif);
 	if (skb == NULL) {
-		DPRINTF(sc, ATH_DBG_BEACON, "cannot get skb\n");
+		DPRINTF(sc->sc_ah, ATH_DBG_BEACON, "cannot get skb\n");
 		return -ENOMEM;
 	}
 
@@ -333,7 +333,7 @@ int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif)
 		tsfadjust = intval * avp->av_bslot / ATH_BCBUF;
 		avp->tsf_adjust = cpu_to_le64(TU_TO_USEC(tsfadjust));
 
-		DPRINTF(sc, ATH_DBG_BEACON,
+		DPRINTF(sc->sc_ah, ATH_DBG_BEACON,
 			"stagger beacons, bslot %d intval %u tsfadjust %llu\n",
 			avp->av_bslot, intval, (unsigned long long)tsfadjust);
 
@@ -349,7 +349,7 @@ int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif)
 	if (unlikely(dma_mapping_error(sc->dev, bf->bf_buf_addr))) {
 		dev_kfree_skb_any(skb);
 		bf->bf_mpdu = NULL;
-		DPRINTF(sc, ATH_DBG_FATAL,
+		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
 			"dma_mapping_error on beacon alloc\n");
 		return -ENOMEM;
 	}
@@ -405,11 +405,11 @@ void ath_beacon_tasklet(unsigned long data)
 		sc->beacon.bmisscnt++;
 
 		if (sc->beacon.bmisscnt < BSTUCK_THRESH) {
-			DPRINTF(sc, ATH_DBG_BEACON,
+			DPRINTF(sc->sc_ah, ATH_DBG_BEACON,
 				"missed %u consecutive beacons\n",
 				sc->beacon.bmisscnt);
 		} else if (sc->beacon.bmisscnt >= BSTUCK_THRESH) {
-			DPRINTF(sc, ATH_DBG_BEACON,
+			DPRINTF(sc->sc_ah, ATH_DBG_BEACON,
 				"beacon is officially stuck\n");
 			sc->sc_flags |= SC_OP_TSF_RESET;
 			ath_reset(sc, false);
@@ -419,7 +419,7 @@ void ath_beacon_tasklet(unsigned long data)
 	}
 
 	if (sc->beacon.bmisscnt != 0) {
-		DPRINTF(sc, ATH_DBG_BEACON,
+		DPRINTF(sc->sc_ah, ATH_DBG_BEACON,
 			"resume beacon xmit after %u misses\n",
 			sc->beacon.bmisscnt);
 		sc->beacon.bmisscnt = 0;
@@ -447,7 +447,7 @@ void ath_beacon_tasklet(unsigned long data)
 	vif = sc->beacon.bslot[slot];
 	aphy = sc->beacon.bslot_aphy[slot];
 
-	DPRINTF(sc, ATH_DBG_BEACON,
+	DPRINTF(sc->sc_ah, ATH_DBG_BEACON,
 		"slot %d [tsf %llu tsftu %u intval %u] vif %p\n",
 		slot, tsf, tsftu, intval, vif);
 
@@ -490,7 +490,7 @@ void ath_beacon_tasklet(unsigned long data)
 		 * are still pending on the queue.
 		 */
 		if (!ath9k_hw_stoptxdma(ah, sc->beacon.beaconq)) {
-			DPRINTF(sc, ATH_DBG_FATAL,
+			DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
 				"beacon queue %u did not stop?\n", sc->beacon.beaconq);
 		}
 
@@ -651,8 +651,8 @@ static void ath_beacon_config_sta(struct ath_softc *sc,
 	/* TSF out of range threshold fixed at 1 second */
 	bs.bs_tsfoor_threshold = ATH9K_TSFOOR_THRESHOLD;
 
-	DPRINTF(sc, ATH_DBG_BEACON, "tsf: %llu tsftu: %u\n", tsf, tsftu);
-	DPRINTF(sc, ATH_DBG_BEACON,
+	DPRINTF(sc->sc_ah, ATH_DBG_BEACON, "tsf: %llu tsftu: %u\n", tsf, tsftu);
+	DPRINTF(sc->sc_ah, ATH_DBG_BEACON,
 		"bmiss: %u sleep: %u cfp-period: %u maxdur: %u next: %u\n",
 		bs.bs_bmissthreshold, bs.bs_sleepduration,
 		bs.bs_cfpperiod, bs.bs_cfpmaxduration, bs.bs_cfpnext);
@@ -689,7 +689,7 @@ static void ath_beacon_config_adhoc(struct ath_softc *sc,
 		nexttbtt += intval;
 	} while (nexttbtt < tsftu);
 
-	DPRINTF(sc, ATH_DBG_BEACON,
+	DPRINTF(sc->sc_ah, ATH_DBG_BEACON,
 		"IBSS nexttbtt %u intval %u (%u)\n",
 		nexttbtt, intval, conf->beacon_interval);
 
@@ -759,7 +759,7 @@ void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif)
 		ath_beacon_config_sta(sc, cur_conf);
 		break;
 	default:
-		DPRINTF(sc, ATH_DBG_CONFIG,
+		DPRINTF(sc->sc_ah, ATH_DBG_CONFIG,
 			"Unsupported beaconing mode\n");
 		return;
 	}
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c
index 55f607b7699..e19a9c99fb2 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.c
+++ b/drivers/net/wireless/ath/ath9k/btcoex.c
@@ -56,7 +56,7 @@ static void ath_detect_bt_priority(struct ath_softc *sc)
 	if (time_after(jiffies, btinfo->bt_priority_time +
 			msecs_to_jiffies(ATH_BT_PRIORITY_TIME_THRESHOLD))) {
 		if (btinfo->bt_priority_cnt >= ATH_BT_CNT_THRESHOLD) {
-			DPRINTF(sc, ATH_DBG_BTCOEX,
+			DPRINTF(sc->sc_ah, ATH_DBG_BTCOEX,
 				"BT priority traffic detected");
 			sc->sc_flags |= SC_OP_BT_PRIORITY_DETECTED;
 		} else {
@@ -90,7 +90,7 @@ static void ath_btcoex_bt_stomp(struct ath_softc *sc,
 				      AR_STOMP_NONE_WLAN_WGHT);
 		break;
 	default:
-		DPRINTF(sc, ATH_DBG_BTCOEX, "Invalid Stomptype\n");
+		DPRINTF(sc->sc_ah, ATH_DBG_BTCOEX, "Invalid Stomptype\n");
 		break;
 	}
 
@@ -142,7 +142,7 @@ static void ath_btcoex_no_stomp_timer(void *arg)
 	struct ath_softc *sc = (struct ath_softc *)arg;
 	struct ath_btcoex_info *btinfo = &sc->btcoex_info;
 
-	DPRINTF(sc, ATH_DBG_BTCOEX, "no stomp timer running \n");
+	DPRINTF(sc->sc_ah, ATH_DBG_BTCOEX, "no stomp timer running \n");
 
 	spin_lock_bh(&btinfo->btcoex_lock);
 
@@ -326,7 +326,7 @@ void ath_btcoex_timer_resume(struct ath_softc *sc,
 			     struct ath_btcoex_info *btinfo)
 {
 
-	DPRINTF(sc, ATH_DBG_BTCOEX, "Starting btcoex timers");
+	DPRINTF(sc->sc_ah, ATH_DBG_BTCOEX, "Starting btcoex timers");
 
 	/* make sure duty cycle timer is also stopped when resuming */
 	if (btinfo->hw_timer_enabled)
diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c
index 0ad6d0b76e9..30106f49322 100644
--- a/drivers/net/wireless/ath/ath9k/calib.c
+++ b/drivers/net/wireless/ath/ath9k/calib.c
@@ -26,7 +26,7 @@
 static bool ath9k_hw_nf_in_range(struct ath_hw *ah, s16 nf)
 {
 	if (nf > ATH9K_NF_TOO_LOW) {
-		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+		DPRINTF(ah, ATH_DBG_CALIBRATE,
 			"noise floor value detected (%d) is "
 			"lower than what we think is a "
 			"reasonable value (%d)\n",
@@ -98,7 +98,7 @@ static void ath9k_hw_do_getnf(struct ath_hw *ah,
 
 	if (nf & 0x100)
 		nf = 0 - ((nf ^ 0x1ff) + 1);
-	DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+	DPRINTF(ah, ATH_DBG_CALIBRATE,
 		"NF calibrated [ctl] [chain 0] is %d\n", nf);
 	nfarray[0] = nf;
 
@@ -112,7 +112,7 @@ static void ath9k_hw_do_getnf(struct ath_hw *ah,
 
 		if (nf & 0x100)
 			nf = 0 - ((nf ^ 0x1ff) + 1);
-		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+		DPRINTF(ah, ATH_DBG_CALIBRATE,
 				"NF calibrated [ctl] [chain 1] is %d\n", nf);
 		nfarray[1] = nf;
 
@@ -121,7 +121,7 @@ static void ath9k_hw_do_getnf(struct ath_hw *ah,
 					AR_PHY_CH2_MINCCA_PWR);
 			if (nf & 0x100)
 				nf = 0 - ((nf ^ 0x1ff) + 1);
-			DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+			DPRINTF(ah, ATH_DBG_CALIBRATE,
 				"NF calibrated [ctl] [chain 2] is %d\n", nf);
 			nfarray[2] = nf;
 		}
@@ -136,7 +136,7 @@ static void ath9k_hw_do_getnf(struct ath_hw *ah,
 
 	if (nf & 0x100)
 		nf = 0 - ((nf ^ 0x1ff) + 1);
-	DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+	DPRINTF(ah, ATH_DBG_CALIBRATE,
 		"NF calibrated [ext] [chain 0] is %d\n", nf);
 	nfarray[3] = nf;
 
@@ -150,7 +150,7 @@ static void ath9k_hw_do_getnf(struct ath_hw *ah,
 
 		if (nf & 0x100)
 			nf = 0 - ((nf ^ 0x1ff) + 1);
-		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+		DPRINTF(ah, ATH_DBG_CALIBRATE,
 				"NF calibrated [ext] [chain 1] is %d\n", nf);
 		nfarray[4] = nf;
 
@@ -159,7 +159,7 @@ static void ath9k_hw_do_getnf(struct ath_hw *ah,
 					AR_PHY_CH2_EXT_MINCCA_PWR);
 			if (nf & 0x100)
 				nf = 0 - ((nf ^ 0x1ff) + 1);
-			DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+			DPRINTF(ah, ATH_DBG_CALIBRATE,
 				"NF calibrated [ext] [chain 2] is %d\n", nf);
 			nfarray[5] = nf;
 		}
@@ -195,22 +195,22 @@ static void ath9k_hw_setup_calibration(struct ath_hw *ah,
 	switch (currCal->calData->calType) {
 	case IQ_MISMATCH_CAL:
 		REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_IQ);
-		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+		DPRINTF(ah, ATH_DBG_CALIBRATE,
 			"starting IQ Mismatch Calibration\n");
 		break;
 	case ADC_GAIN_CAL:
 		REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_ADC_GAIN);
-		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+		DPRINTF(ah, ATH_DBG_CALIBRATE,
 			"starting ADC Gain Calibration\n");
 		break;
 	case ADC_DC_CAL:
 		REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_ADC_DC_PER);
-		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+		DPRINTF(ah, ATH_DBG_CALIBRATE,
 			"starting ADC DC Calibration\n");
 		break;
 	case ADC_DC_INIT_CAL:
 		REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_ADC_DC_INIT);
-		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+		DPRINTF(ah, ATH_DBG_CALIBRATE,
 			"starting Init ADC DC Calibration\n");
 		break;
 	}
@@ -304,7 +304,7 @@ static void ath9k_hw_iqcal_collect(struct ath_hw *ah)
 			REG_READ(ah, AR_PHY_CAL_MEAS_1(i));
 		ah->totalIqCorrMeas[i] +=
 			(int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_2(i));
-		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+		DPRINTF(ah, ATH_DBG_CALIBRATE,
 			"%d: Chn %d pmi=0x%08x;pmq=0x%08x;iqcm=0x%08x;\n",
 			ah->cal_samples, i, ah->totalPowerMeasI[i],
 			ah->totalPowerMeasQ[i],
@@ -326,7 +326,7 @@ static void ath9k_hw_adc_gaincal_collect(struct ath_hw *ah)
 		ah->totalAdcQEvenPhase[i] +=
 			REG_READ(ah, AR_PHY_CAL_MEAS_3(i));
 
-		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+		DPRINTF(ah, ATH_DBG_CALIBRATE,
 			"%d: Chn %d oddi=0x%08x; eveni=0x%08x; "
 			"oddq=0x%08x; evenq=0x%08x;\n",
 			ah->cal_samples, i,
@@ -351,7 +351,7 @@ static void ath9k_hw_adc_dccal_collect(struct ath_hw *ah)
 		ah->totalAdcDcOffsetQEvenPhase[i] +=
 			(int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_3(i));
 
-		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+		DPRINTF(ah, ATH_DBG_CALIBRATE,
 			"%d: Chn %d oddi=0x%08x; eveni=0x%08x; "
 			"oddq=0x%08x; evenq=0x%08x;\n",
 			ah->cal_samples, i,
@@ -374,11 +374,11 @@ static void ath9k_hw_iqcalibrate(struct ath_hw *ah, u8 numChains)
 		powerMeasQ = ah->totalPowerMeasQ[i];
 		iqCorrMeas = ah->totalIqCorrMeas[i];
 
-		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+		DPRINTF(ah, ATH_DBG_CALIBRATE,
 			"Starting IQ Cal and Correction for Chain %d\n",
 			i);
 
-		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+		DPRINTF(ah, ATH_DBG_CALIBRATE,
 			"Orignal: Chn %diq_corr_meas = 0x%08x\n",
 			i, ah->totalIqCorrMeas[i]);
 
@@ -389,11 +389,11 @@ static void ath9k_hw_iqcalibrate(struct ath_hw *ah, u8 numChains)
 			iqCorrNeg = 1;
 		}
 
-		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+		DPRINTF(ah, ATH_DBG_CALIBRATE,
 			"Chn %d pwr_meas_i = 0x%08x\n", i, powerMeasI);
-		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+		DPRINTF(ah, ATH_DBG_CALIBRATE,
 			"Chn %d pwr_meas_q = 0x%08x\n", i, powerMeasQ);
-		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, "iqCorrNeg is 0x%08x\n",
+		DPRINTF(ah, ATH_DBG_CALIBRATE, "iqCorrNeg is 0x%08x\n",
 			iqCorrNeg);
 
 		iCoffDenom = (powerMeasI / 2 + powerMeasQ / 2) / 128;
@@ -402,13 +402,13 @@ static void ath9k_hw_iqcalibrate(struct ath_hw *ah, u8 numChains)
 		if (powerMeasQ != 0) {
 			iCoff = iqCorrMeas / iCoffDenom;
 			qCoff = powerMeasI / qCoffDenom - 64;
-			DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+			DPRINTF(ah, ATH_DBG_CALIBRATE,
 				"Chn %d iCoff = 0x%08x\n", i, iCoff);
-			DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+			DPRINTF(ah, ATH_DBG_CALIBRATE,
 				"Chn %d qCoff = 0x%08x\n", i, qCoff);
 
 			iCoff = iCoff & 0x3f;
-			DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+			DPRINTF(ah, ATH_DBG_CALIBRATE,
 				"New: Chn %d iCoff = 0x%08x\n", i, iCoff);
 			if (iqCorrNeg == 0x0)
 				iCoff = 0x40 - iCoff;
@@ -418,7 +418,7 @@ static void ath9k_hw_iqcalibrate(struct ath_hw *ah, u8 numChains)
 			else if (qCoff <= -16)
 				qCoff = 16;
 
-			DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+			DPRINTF(ah, ATH_DBG_CALIBRATE,
 				"Chn %d : iCoff = 0x%x  qCoff = 0x%x\n",
 				i, iCoff, qCoff);
 
@@ -428,7 +428,7 @@ static void ath9k_hw_iqcalibrate(struct ath_hw *ah, u8 numChains)
 			REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4(i),
 				      AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF,
 				      qCoff);
-			DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+			DPRINTF(ah, ATH_DBG_CALIBRATE,
 				"IQ Cal and Correction done for Chain %d\n",
 				i);
 		}
@@ -449,19 +449,19 @@ static void ath9k_hw_adc_gaincal_calibrate(struct ath_hw *ah, u8 numChains)
 		qOddMeasOffset = ah->totalAdcQOddPhase[i];
 		qEvenMeasOffset = ah->totalAdcQEvenPhase[i];
 
-		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+		DPRINTF(ah, ATH_DBG_CALIBRATE,
 			"Starting ADC Gain Cal for Chain %d\n", i);
 
-		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+		DPRINTF(ah, ATH_DBG_CALIBRATE,
 			"Chn %d pwr_meas_odd_i = 0x%08x\n", i,
 			iOddMeasOffset);
-		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+		DPRINTF(ah, ATH_DBG_CALIBRATE,
 			"Chn %d pwr_meas_even_i = 0x%08x\n", i,
 			iEvenMeasOffset);
-		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+		DPRINTF(ah, ATH_DBG_CALIBRATE,
 			"Chn %d pwr_meas_odd_q = 0x%08x\n", i,
 			qOddMeasOffset);
-		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+		DPRINTF(ah, ATH_DBG_CALIBRATE,
 			"Chn %d pwr_meas_even_q = 0x%08x\n", i,
 			qEvenMeasOffset);
 
@@ -473,10 +473,10 @@ static void ath9k_hw_adc_gaincal_calibrate(struct ath_hw *ah, u8 numChains)
 				((qOddMeasOffset * 32) /
 				 qEvenMeasOffset) & 0x3f;
 
-			DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+			DPRINTF(ah, ATH_DBG_CALIBRATE,
 				"Chn %d gain_mismatch_i = 0x%08x\n", i,
 				iGainMismatch);
-			DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+			DPRINTF(ah, ATH_DBG_CALIBRATE,
 				"Chn %d gain_mismatch_q = 0x%08x\n", i,
 				qGainMismatch);
 
@@ -485,7 +485,7 @@ static void ath9k_hw_adc_gaincal_calibrate(struct ath_hw *ah, u8 numChains)
 			val |= (qGainMismatch) | (iGainMismatch << 6);
 			REG_WRITE(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i), val);
 
-			DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+			DPRINTF(ah, ATH_DBG_CALIBRATE,
 				"ADC Gain Cal done for Chain %d\n", i);
 		}
 	}
@@ -510,19 +510,19 @@ static void ath9k_hw_adc_dccal_calibrate(struct ath_hw *ah, u8 numChains)
 		qOddMeasOffset = ah->totalAdcDcOffsetQOddPhase[i];
 		qEvenMeasOffset = ah->totalAdcDcOffsetQEvenPhase[i];
 
-		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+		DPRINTF(ah, ATH_DBG_CALIBRATE,
 			"Starting ADC DC Offset Cal for Chain %d\n", i);
 
-		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+		DPRINTF(ah, ATH_DBG_CALIBRATE,
 			"Chn %d pwr_meas_odd_i = %d\n", i,
 			iOddMeasOffset);
-		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+		DPRINTF(ah, ATH_DBG_CALIBRATE,
 			"Chn %d pwr_meas_even_i = %d\n", i,
 			iEvenMeasOffset);
-		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+		DPRINTF(ah, ATH_DBG_CALIBRATE,
 			"Chn %d pwr_meas_odd_q = %d\n", i,
 			qOddMeasOffset);
-		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+		DPRINTF(ah, ATH_DBG_CALIBRATE,
 			"Chn %d pwr_meas_even_q = %d\n", i,
 			qEvenMeasOffset);
 
@@ -531,10 +531,10 @@ static void ath9k_hw_adc_dccal_calibrate(struct ath_hw *ah, u8 numChains)
 		qDcMismatch = (((qOddMeasOffset - qEvenMeasOffset) * 2) /
 			       numSamples) & 0x1ff;
 
-		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+		DPRINTF(ah, ATH_DBG_CALIBRATE,
 			"Chn %d dc_offset_mismatch_i = 0x%08x\n", i,
 			iDcMismatch);
-		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+		DPRINTF(ah, ATH_DBG_CALIBRATE,
 			"Chn %d dc_offset_mismatch_q = 0x%08x\n", i,
 			qDcMismatch);
 
@@ -543,7 +543,7 @@ static void ath9k_hw_adc_dccal_calibrate(struct ath_hw *ah, u8 numChains)
 		val |= (qDcMismatch << 12) | (iDcMismatch << 21);
 		REG_WRITE(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i), val);
 
-		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+		DPRINTF(ah, ATH_DBG_CALIBRATE,
 			"ADC DC Offset Cal done for Chain %d\n", i);
 	}
 
@@ -568,7 +568,7 @@ bool ath9k_hw_reset_calvalid(struct ath_hw *ah)
 		return true;
 
 	if (currCal->calState != CAL_DONE) {
-		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+		DPRINTF(ah, ATH_DBG_CALIBRATE,
 			"Calibration state incorrect, %d\n",
 			currCal->calState);
 		return true;
@@ -577,7 +577,7 @@ bool ath9k_hw_reset_calvalid(struct ath_hw *ah)
 	if (!ath9k_hw_iscal_supported(ah, currCal->calData->calType))
 		return true;
 
-	DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+	DPRINTF(ah, ATH_DBG_CALIBRATE,
 		"Resetting Cal %d state for channel %u\n",
 		currCal->calData->calType, conf->channel->center_freq);
 
@@ -672,7 +672,7 @@ int16_t ath9k_hw_getnf(struct ath_hw *ah,
 
 	chan->channelFlags &= (~CHANNEL_CW_INT);
 	if (REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF) {
-		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+		DPRINTF(ah, ATH_DBG_CALIBRATE,
 			"NF did not complete in calibration window\n");
 		nf = 0;
 		chan->rawNoiseFloor = nf;
@@ -682,7 +682,7 @@ int16_t ath9k_hw_getnf(struct ath_hw *ah,
 		nf = nfarray[0];
 		if (getNoiseFloorThresh(ah, c->band, &nfThresh)
 		    && nf > nfThresh) {
-			DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+			DPRINTF(ah, ATH_DBG_CALIBRATE,
 				"noise floor failed detected; "
 				"detected %d, threshold %d\n",
 				nf, nfThresh);
@@ -889,7 +889,7 @@ static inline void ath9k_hw_9285_pa_cal(struct ath_hw *ah, bool is_reset)
 		{ 0x7838, 0 },
 	};
 
-	DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, "Running PA Calibration\n");
+	DPRINTF(ah, ATH_DBG_CALIBRATE, "Running PA Calibration\n");
 
 	/* PA CAL is not needed for high power solution */
 	if (ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE) ==
@@ -1049,7 +1049,7 @@ static bool ar9285_clc(struct ath_hw *ah, struct ath9k_channel *chan)
 		REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL);
 		if (!ath9k_hw_wait(ah, AR_PHY_AGC_CONTROL,
 				  AR_PHY_AGC_CONTROL_CAL, 0, AH_WAIT_TIMEOUT)) {
-			DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, "offset "
+			DPRINTF(ah, ATH_DBG_CALIBRATE, "offset "
 				"calibration failed to complete in "
 				"1ms; noisy ??\n");
 			return false;
@@ -1064,7 +1064,7 @@ static bool ar9285_clc(struct ath_hw *ah, struct ath9k_channel *chan)
 	REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL);
 	if (!ath9k_hw_wait(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL,
 			  0, AH_WAIT_TIMEOUT)) {
-		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, "offset calibration "
+		DPRINTF(ah, ATH_DBG_CALIBRATE, "offset calibration "
 				"failed to complete in 1ms; noisy ??\n");
 		return false;
 	}
@@ -1098,7 +1098,7 @@ bool ath9k_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan)
 		/* Poll for offset calibration complete */
 		if (!ath9k_hw_wait(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL,
 				   0, AH_WAIT_TIMEOUT)) {
-			DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+			DPRINTF(ah, ATH_DBG_CALIBRATE,
 				"offset calibration failed to complete in 1ms; "
 				"noisy environment?\n");
 			return false;
@@ -1128,19 +1128,19 @@ bool ath9k_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan)
 		if (ath9k_hw_iscal_supported(ah, ADC_GAIN_CAL)) {
 			INIT_CAL(&ah->adcgain_caldata);
 			INSERT_CAL(ah, &ah->adcgain_caldata);
-			DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+			DPRINTF(ah, ATH_DBG_CALIBRATE,
 				"enabling ADC Gain Calibration.\n");
 		}
 		if (ath9k_hw_iscal_supported(ah, ADC_DC_CAL)) {
 			INIT_CAL(&ah->adcdc_caldata);
 			INSERT_CAL(ah, &ah->adcdc_caldata);
-			DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+			DPRINTF(ah, ATH_DBG_CALIBRATE,
 				"enabling ADC DC Calibration.\n");
 		}
 		if (ath9k_hw_iscal_supported(ah, IQ_MISMATCH_CAL)) {
 			INIT_CAL(&ah->iq_caldata);
 			INSERT_CAL(ah, &ah->iq_caldata);
-			DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
+			DPRINTF(ah, ATH_DBG_CALIBRATE,
 				"enabling IQ Calibration.\n");
 		}
 
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 2be4c225204..babfd3780a9 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -23,12 +23,12 @@ module_param_named(debug, ath9k_debug, uint, 0);
 
 static struct dentry *ath9k_debugfs_root;
 
-void DPRINTF(struct ath_softc *sc, int dbg_mask, const char *fmt, ...)
+void DPRINTF(struct ath_hw *ah, int dbg_mask, const char *fmt, ...)
 {
-	if (!sc)
+	if (!ah->ah_sc)
 		return;
 
-	if (sc->debug.debug_mask & dbg_mask) {
+	if (ah->ah_sc->debug.debug_mask & dbg_mask) {
 		va_list args;
 
 		va_start(args, fmt);
@@ -568,8 +568,10 @@ static const struct file_operations fops_xmit = {
 	.owner = THIS_MODULE
 };
 
-int ath9k_init_debug(struct ath_softc *sc)
+int ath9k_init_debug(struct ath_hw *ah)
 {
+	struct ath_softc *sc = ah->ah_sc;
+
 	sc->debug.debug_mask = ath9k_debug;
 
 	if (!ath9k_debugfs_root)
@@ -619,12 +621,14 @@ int ath9k_init_debug(struct ath_softc *sc)
 
 	return 0;
 err:
-	ath9k_exit_debug(sc);
+	ath9k_exit_debug(ah);
 	return -ENOMEM;
 }
 
-void ath9k_exit_debug(struct ath_softc *sc)
+void ath9k_exit_debug(struct ath_hw *ah)
 {
+	struct ath_softc *sc = ah->ah_sc;
+
 	debugfs_remove(sc->debug.debugfs_xmit);
 	debugfs_remove(sc->debug.debugfs_wiphy);
 	debugfs_remove(sc->debug.debugfs_rcstat);
diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h
index 7241f474833..c9c1aac95ae 100644
--- a/drivers/net/wireless/ath/ath9k/debug.h
+++ b/drivers/net/wireless/ath/ath9k/debug.h
@@ -17,6 +17,8 @@
 #ifndef DEBUG_H
 #define DEBUG_H
 
+#include "hw.h"
+
 enum ATH_DEBUG {
 	ATH_DBG_RESET		= 0x00000001,
 	ATH_DBG_QUEUE		= 0x00000002,
@@ -151,9 +153,10 @@ struct ath9k_debug {
 	struct ath_stats stats;
 };
 
-void DPRINTF(struct ath_softc *sc, int dbg_mask, const char *fmt, ...);
-int ath9k_init_debug(struct ath_softc *sc);
-void ath9k_exit_debug(struct ath_softc *sc);
+void DPRINTF(struct ath_hw *ah, int dbg_mask, const char *fmt, ...);
+int ath9k_init_debug(struct ath_hw *ah);
+void ath9k_exit_debug(struct ath_hw *ah);
+
 int ath9k_debug_create_root(void);
 void ath9k_debug_remove_root(void);
 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status);
@@ -165,17 +168,17 @@ void ath_debug_stat_retries(struct ath_softc *sc, int rix,
 
 #else
 
-static inline void DPRINTF(struct ath_softc *sc, int dbg_mask,
+static inline void DPRINTF(struct ath_hw *ah, int dbg_mask,
 			   const char *fmt, ...)
 {
 }
 
-static inline int ath9k_init_debug(struct ath_softc *sc)
+static inline int ath9k_init_debug(struct ath_hw *ah)
 {
 	return 0;
 }
 
-static inline void ath9k_exit_debug(struct ath_softc *sc)
+static inline void ath9k_exit_debug(struct ath_hw *ah)
 {
 }
 
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_4k.c b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
index b8eca7be5f3..0675cd5edf0 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_4k.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
@@ -35,13 +35,13 @@ static bool ath9k_hw_4k_fill_eeprom(struct ath_hw *ah)
 	eep_start_loc = 64;
 
 	if (!ath9k_hw_use_flash(ah)) {
-		DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+		DPRINTF(ah, ATH_DBG_EEPROM,
 			"Reading from EEPROM, not flash\n");
 	}
 
 	for (addr = 0; addr < SIZE_EEPROM_4K; addr++) {
 		if (!ath9k_hw_nvram_read(ah, addr + eep_start_loc, eep_data)) {
-			DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+			DPRINTF(ah, ATH_DBG_EEPROM,
 			       "Unable to read eeprom region \n");
 			return false;
 		}
@@ -66,12 +66,12 @@ static int ath9k_hw_4k_check_eeprom(struct ath_hw *ah)
 	if (!ath9k_hw_use_flash(ah)) {
 		if (!ath9k_hw_nvram_read(ah, AR5416_EEPROM_MAGIC_OFFSET,
 					 &magic)) {
-			DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+			DPRINTF(ah, ATH_DBG_FATAL,
 				"Reading Magic # failed\n");
 			return false;
 		}
 
-		DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+		DPRINTF(ah, ATH_DBG_EEPROM,
 			"Read Magic = 0x%04X\n", magic);
 
 		if (magic != AR5416_EEPROM_MAGIC) {
@@ -87,7 +87,7 @@ static int ath9k_hw_4k_check_eeprom(struct ath_hw *ah)
 					eepdata++;
 				}
 			} else {
-				DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+				DPRINTF(ah, ATH_DBG_FATAL,
 					"Invalid EEPROM Magic. "
 					"endianness mismatch.\n");
 				return -EINVAL;
@@ -95,7 +95,7 @@ static int ath9k_hw_4k_check_eeprom(struct ath_hw *ah)
 		}
 	}
 
-	DPRINTF(ah->ah_sc, ATH_DBG_EEPROM, "need_swap = %s.\n",
+	DPRINTF(ah, ATH_DBG_EEPROM, "need_swap = %s.\n",
 		need_swap ? "True" : "False");
 
 	if (need_swap)
@@ -117,7 +117,7 @@ static int ath9k_hw_4k_check_eeprom(struct ath_hw *ah)
 		u32 integer;
 		u16 word;
 
-		DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+		DPRINTF(ah, ATH_DBG_EEPROM,
 			"EEPROM Endianness is not native.. Changing\n");
 
 		word = swab16(eep->baseEepHeader.length);
@@ -160,7 +160,7 @@ static int ath9k_hw_4k_check_eeprom(struct ath_hw *ah)
 
 	if (sum != 0xffff || ah->eep_ops->get_eeprom_ver(ah) != AR5416_EEP_VER ||
 	    ah->eep_ops->get_eeprom_rev(ah) < AR5416_EEP_NO_BACK_VER) {
-		DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+		DPRINTF(ah, ATH_DBG_FATAL,
 			"Bad EEPROM checksum 0x%x or revision 0x%04x\n",
 			sum, ah->eep_ops->get_eeprom_ver(ah));
 		return -EINVAL;
@@ -470,11 +470,11 @@ static void ath9k_hw_set_4k_power_cal_table(struct ath_hw *ah,
 					((pdadcValues[4 * j + 3] & 0xFF) << 24);
 				REG_WRITE(ah, regOffset, reg32);
 
-				DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+				DPRINTF(ah, ATH_DBG_EEPROM,
 					"PDADC (%d,%4x): %4.4x %8.8x\n",
 					i, regChainOffset, regOffset,
 					reg32);
-				DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+				DPRINTF(ah, ATH_DBG_EEPROM,
 					"PDADC: Chain %d | "
 					"PDADC %3d Value %3d | "
 					"PDADC %3d Value %3d | "
@@ -1151,7 +1151,7 @@ static u16 ath9k_hw_4k_get_spur_channel(struct ath_hw *ah, u16 i, bool is2GHz)
 
 	u16 spur_val = AR_NO_SPUR;
 
-	DPRINTF(ah->ah_sc, ATH_DBG_ANI,
+	DPRINTF(ah, ATH_DBG_ANI,
 		"Getting spur idx %d is2Ghz. %d val %x\n",
 		i, is2GHz, ah->config.spurchans[i][is2GHz]);
 
@@ -1160,7 +1160,7 @@ static u16 ath9k_hw_4k_get_spur_channel(struct ath_hw *ah, u16 i, bool is2GHz)
 		break;
 	case SPUR_ENABLE_IOCTL:
 		spur_val = ah->config.spurchans[i][is2GHz];
-		DPRINTF(ah->ah_sc, ATH_DBG_ANI,
+		DPRINTF(ah, ATH_DBG_ANI,
 			"Getting spur val from new loc. %d\n", spur_val);
 		break;
 	case SPUR_ENABLE_EEPROM:
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_9287.c b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
index c20c21a79b2..c6a4325019d 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_9287.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
@@ -34,14 +34,14 @@ static bool ath9k_hw_AR9287_fill_eeprom(struct ath_hw *ah)
 	eep_data = (u16 *)eep;
 
 	if (!ath9k_hw_use_flash(ah)) {
-		DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+		DPRINTF(ah, ATH_DBG_EEPROM,
 			"Reading from EEPROM, not flash\n");
 	}
 
 	for (addr = 0; addr < sizeof(struct ar9287_eeprom) / sizeof(u16);
 			addr++)	{
 		if (!ath9k_hw_nvram_read(ah, addr + eep_start_loc, eep_data)) {
-			DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+			DPRINTF(ah, ATH_DBG_EEPROM,
 				"Unable to read eeprom region \n");
 			return false;
 		}
@@ -61,12 +61,12 @@ static int ath9k_hw_AR9287_check_eeprom(struct ath_hw *ah)
 	if (!ath9k_hw_use_flash(ah)) {
 		if (!ath9k_hw_nvram_read
 		    (ah, AR5416_EEPROM_MAGIC_OFFSET, &magic)) {
-			DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+			DPRINTF(ah, ATH_DBG_FATAL,
 				"Reading Magic # failed\n");
 			return false;
 		}
 
-		DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+		DPRINTF(ah, ATH_DBG_EEPROM,
 				"Read Magic = 0x%04X\n", magic);
 		if (magic != AR5416_EEPROM_MAGIC) {
 			magic2 = swab16(magic);
@@ -83,14 +83,14 @@ static int ath9k_hw_AR9287_check_eeprom(struct ath_hw *ah)
 					eepdata++;
 				}
 			} else {
-				DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+				DPRINTF(ah, ATH_DBG_FATAL,
 					"Invalid EEPROM Magic. "
 					"endianness mismatch.\n");
 				return -EINVAL;
 			}
 		}
 	}
-	DPRINTF(ah->ah_sc, ATH_DBG_EEPROM, "need_swap = %s.\n", need_swap ?
+	DPRINTF(ah, ATH_DBG_EEPROM, "need_swap = %s.\n", need_swap ?
 		"True" : "False");
 
 	if (need_swap)
@@ -148,7 +148,7 @@ static int ath9k_hw_AR9287_check_eeprom(struct ath_hw *ah)
 
 	if (sum != 0xffff || ah->eep_ops->get_eeprom_ver(ah) != AR9287_EEP_VER
 	    || ah->eep_ops->get_eeprom_rev(ah) < AR5416_EEP_NO_BACK_VER) {
-		DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+		DPRINTF(ah, ATH_DBG_FATAL,
 			"Bad EEPROM checksum 0x%x or revision 0x%04x\n",
 			 sum, ah->eep_ops->get_eeprom_ver(ah));
 		return -EINVAL;
@@ -564,12 +564,12 @@ static void ath9k_hw_set_AR9287_power_cal_table(struct ath_hw *ah,
 						  & 0xFF) << 24) ;
 					REG_WRITE(ah, regOffset, reg32);
 
-					DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+					DPRINTF(ah, ATH_DBG_EEPROM,
 						"PDADC (%d,%4x): %4.4x %8.8x\n",
 						i, regChainOffset, regOffset,
 						reg32);
 
-					DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+					DPRINTF(ah, ATH_DBG_EEPROM,
 						"PDADC: Chain %d | "
 						"PDADC %3d Value %3d | "
 						"PDADC %3d Value %3d | "
@@ -966,7 +966,7 @@ static void ath9k_hw_AR9287_set_txpower(struct ath_hw *ah,
 			INCREASE_MAXPOW_BY_THREE_CHAIN;
 		break;
 	default:
-		DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+		DPRINTF(ah, ATH_DBG_EEPROM,
 			"Invalid chainmask configuration\n");
 		break;
 	}
@@ -1140,7 +1140,7 @@ static u16 ath9k_hw_AR9287_get_spur_channel(struct ath_hw *ah,
 	(ah->eeprom.map9287.modalHeader.spurChans[i].spurChan)
 	u16 spur_val = AR_NO_SPUR;
 
-	DPRINTF(ah->ah_sc, ATH_DBG_ANI,
+	DPRINTF(ah, ATH_DBG_ANI,
 		"Getting spur idx %d is2Ghz. %d val %x\n",
 		i, is2GHz, ah->config.spurchans[i][is2GHz]);
 
@@ -1149,7 +1149,7 @@ static u16 ath9k_hw_AR9287_get_spur_channel(struct ath_hw *ah,
 		break;
 	case SPUR_ENABLE_IOCTL:
 		spur_val = ah->config.spurchans[i][is2GHz];
-		DPRINTF(ah->ah_sc, ATH_DBG_ANI,
+		DPRINTF(ah, ATH_DBG_ANI,
 		       "Getting spur val from new loc. %d\n", spur_val);
 		break;
 	case SPUR_ENABLE_EEPROM:
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_def.c b/drivers/net/wireless/ath/ath9k/eeprom_def.c
index 4071fc91da0..8a7fc3962a1 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_def.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_def.c
@@ -95,7 +95,7 @@ static bool ath9k_hw_def_fill_eeprom(struct ath_hw *ah)
 	for (addr = 0; addr < SIZE_EEPROM_DEF; addr++) {
 		if (!ath9k_hw_nvram_read(ah, addr + ar5416_eep_start_loc,
 					 eep_data)) {
-			DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+			DPRINTF(ah, ATH_DBG_FATAL,
 				"Unable to read eeprom region\n");
 			return false;
 		}
@@ -115,12 +115,12 @@ static int ath9k_hw_def_check_eeprom(struct ath_hw *ah)
 	int i, addr, size;
 
 	if (!ath9k_hw_nvram_read(ah, AR5416_EEPROM_MAGIC_OFFSET, &magic)) {
-		DPRINTF(ah->ah_sc, ATH_DBG_FATAL, "Reading Magic # failed\n");
+		DPRINTF(ah, ATH_DBG_FATAL, "Reading Magic # failed\n");
 		return false;
 	}
 
 	if (!ath9k_hw_use_flash(ah)) {
-		DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+		DPRINTF(ah, ATH_DBG_EEPROM,
 			"Read Magic = 0x%04X\n", magic);
 
 		if (magic != AR5416_EEPROM_MAGIC) {
@@ -137,7 +137,7 @@ static int ath9k_hw_def_check_eeprom(struct ath_hw *ah)
 					eepdata++;
 				}
 			} else {
-				DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+				DPRINTF(ah, ATH_DBG_FATAL,
 					"Invalid EEPROM Magic. "
 					"Endianness mismatch.\n");
 				return -EINVAL;
@@ -145,7 +145,7 @@ static int ath9k_hw_def_check_eeprom(struct ath_hw *ah)
 		}
 	}
 
-	DPRINTF(ah->ah_sc, ATH_DBG_EEPROM, "need_swap = %s.\n",
+	DPRINTF(ah, ATH_DBG_EEPROM, "need_swap = %s.\n",
 		need_swap ? "True" : "False");
 
 	if (need_swap)
@@ -167,7 +167,7 @@ static int ath9k_hw_def_check_eeprom(struct ath_hw *ah)
 		u32 integer, j;
 		u16 word;
 
-		DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+		DPRINTF(ah, ATH_DBG_EEPROM,
 			"EEPROM Endianness is not native.. Changing.\n");
 
 		word = swab16(eep->baseEepHeader.length);
@@ -214,7 +214,7 @@ static int ath9k_hw_def_check_eeprom(struct ath_hw *ah)
 
 	if (sum != 0xffff || ah->eep_ops->get_eeprom_ver(ah) != AR5416_EEP_VER ||
 	    ah->eep_ops->get_eeprom_rev(ah) < AR5416_EEP_NO_BACK_VER) {
-		DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+		DPRINTF(ah, ATH_DBG_FATAL,
 			"Bad EEPROM checksum 0x%x or revision 0x%04x\n",
 			sum, ah->eep_ops->get_eeprom_ver(ah));
 		return -EINVAL;
@@ -870,11 +870,11 @@ static void ath9k_hw_set_def_power_cal_table(struct ath_hw *ah,
 					((pdadcValues[4 * j + 3] & 0xFF) << 24);
 				REG_WRITE(ah, regOffset, reg32);
 
-				DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+				DPRINTF(ah, ATH_DBG_EEPROM,
 					"PDADC (%d,%4x): %4.4x %8.8x\n",
 					i, regChainOffset, regOffset,
 					reg32);
-				DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+				DPRINTF(ah, ATH_DBG_EEPROM,
 					"PDADC: Chain %d | PDADC %3d "
 					"Value %3d | PDADC %3d Value %3d | "
 					"PDADC %3d Value %3d | PDADC %3d "
@@ -1311,7 +1311,7 @@ static void ath9k_hw_def_set_txpower(struct ath_hw *ah,
 		regulatory->max_power_level += INCREASE_MAXPOW_BY_THREE_CHAIN;
 		break;
 	default:
-		DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+		DPRINTF(ah, ATH_DBG_EEPROM,
 			"Invalid chainmask configuration\n");
 		break;
 	}
@@ -1352,7 +1352,7 @@ static u16 ath9k_hw_def_get_spur_channel(struct ath_hw *ah, u16 i, bool is2GHz)
 
 	u16 spur_val = AR_NO_SPUR;
 
-	DPRINTF(ah->ah_sc, ATH_DBG_ANI,
+	DPRINTF(ah, ATH_DBG_ANI,
 		"Getting spur idx %d is2Ghz. %d val %x\n",
 		i, is2GHz, ah->config.spurchans[i][is2GHz]);
 
@@ -1361,7 +1361,7 @@ static u16 ath9k_hw_def_get_spur_channel(struct ath_hw *ah, u16 i, bool is2GHz)
 		break;
 	case SPUR_ENABLE_IOCTL:
 		spur_val = ah->config.spurchans[i][is2GHz];
-		DPRINTF(ah->ah_sc, ATH_DBG_ANI,
+		DPRINTF(ah, ATH_DBG_ANI,
 			"Getting spur val from new loc. %d\n", spur_val);
 		break;
 	case SPUR_ENABLE_EEPROM:
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index ca7694caf36..0342091dfe7 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -126,7 +126,7 @@ bool ath9k_hw_wait(struct ath_hw *ah, u32 reg, u32 mask, u32 val, u32 timeout)
 		udelay(AH_TIME_QUANTUM);
 	}
 
-	DPRINTF(ah->ah_sc, ATH_DBG_ANY,
+	DPRINTF(ah, ATH_DBG_ANY,
 		"timeout (%d us) on reg 0x%x: 0x%08x & 0x%08x != 0x%08x\n",
 		timeout, reg, REG_READ(ah, reg), mask, val);
 
@@ -210,7 +210,7 @@ u16 ath9k_hw_computetxtime(struct ath_hw *ah,
 		}
 		break;
 	default:
-		DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+		DPRINTF(ah, ATH_DBG_FATAL,
 			"Unknown phy %u (rate ix %u)\n",
 			rates->info[rateix].phy, rateix);
 		txTime = 0;
@@ -335,7 +335,7 @@ static bool ath9k_hw_chip_test(struct ath_hw *ah)
 			REG_WRITE(ah, addr, wrData);
 			rdData = REG_READ(ah, addr);
 			if (rdData != wrData) {
-				DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+				DPRINTF(ah, ATH_DBG_FATAL,
 					"address test failed "
 					"addr: 0x%08x - wr:0x%08x != rd:0x%08x\n",
 					addr, wrData, rdData);
@@ -347,7 +347,7 @@ static bool ath9k_hw_chip_test(struct ath_hw *ah)
 			REG_WRITE(ah, addr, wrData);
 			rdData = REG_READ(ah, addr);
 			if (wrData != rdData) {
-				DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+				DPRINTF(ah, ATH_DBG_FATAL,
 					"address test failed "
 					"addr: 0x%08x - wr:0x%08x != rd:0x%08x\n",
 					addr, wrData, rdData);
@@ -472,7 +472,7 @@ static int ath9k_hw_rfattach(struct ath_hw *ah)
 
 	rfStatus = ath9k_hw_init_rf(ah, &ecode);
 	if (!rfStatus) {
-		DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+		DPRINTF(ah, ATH_DBG_FATAL,
 			"RF setup failed, status: %u\n", ecode);
 		return ecode;
 	}
@@ -497,7 +497,7 @@ static int ath9k_hw_rf_claim(struct ath_hw *ah)
 	case AR_RAD2122_SREV_MAJOR:
 		break;
 	default:
-		DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+		DPRINTF(ah, ATH_DBG_FATAL,
 			"Radio Chip Rev 0x%02X not supported\n",
 			val & AR_RADIO_SREV_MAJOR);
 		return -EOPNOTSUPP;
@@ -590,7 +590,7 @@ static int ath9k_hw_post_init(struct ath_hw *ah)
 	if (ecode != 0)
 		return ecode;
 
-	DPRINTF(ah->ah_sc, ATH_DBG_CONFIG, "Eeprom VER: %d, REV: %d\n",
+	DPRINTF(ah, ATH_DBG_CONFIG, "Eeprom VER: %d, REV: %d\n",
 		ah->eep_ops->get_eeprom_ver(ah), ah->eep_ops->get_eeprom_rev(ah));
 
 	ecode = ath9k_hw_rfattach(ah);
@@ -914,12 +914,12 @@ int ath9k_hw_init(struct ath_hw *ah)
 	ath9k_hw_init_config(ah);
 
 	if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON)) {
-		DPRINTF(ah->ah_sc, ATH_DBG_FATAL, "Couldn't reset chip\n");
+		DPRINTF(ah, ATH_DBG_FATAL, "Couldn't reset chip\n");
 		return -EIO;
 	}
 
 	if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) {
-		DPRINTF(ah->ah_sc, ATH_DBG_FATAL, "Couldn't wakeup chip\n");
+		DPRINTF(ah, ATH_DBG_FATAL, "Couldn't wakeup chip\n");
 		return -EIO;
 	}
 
@@ -934,11 +934,11 @@ int ath9k_hw_init(struct ath_hw *ah)
 		}
 	}
 
-	DPRINTF(ah->ah_sc, ATH_DBG_RESET, "serialize_regmode is %d\n",
+	DPRINTF(ah, ATH_DBG_RESET, "serialize_regmode is %d\n",
 		ah->config.serialize_regmode);
 
 	if (!ath9k_hw_macversion_supported(ah->hw_version.macVersion)) {
-		DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+		DPRINTF(ah, ATH_DBG_FATAL,
 			"Mac Chip Rev 0x%02x.%x is not supported by "
 			"this driver\n", ah->hw_version.macVersion,
 			ah->hw_version.macRev);
@@ -979,7 +979,7 @@ int ath9k_hw_init(struct ath_hw *ah)
 
 	r = ath9k_hw_init_macaddr(ah);
 	if (r) {
-		DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+		DPRINTF(ah, ATH_DBG_FATAL,
 			"Failed to initialize MAC address\n");
 		return r;
 	}
@@ -1164,7 +1164,7 @@ static void ath9k_hw_init_interrupt_masks(struct ath_hw *ah,
 static bool ath9k_hw_set_ack_timeout(struct ath_hw *ah, u32 us)
 {
 	if (us > ath9k_hw_mac_to_usec(ah, MS(0xffffffff, AR_TIME_OUT_ACK))) {
-		DPRINTF(ah->ah_sc, ATH_DBG_RESET, "bad ack timeout %u\n", us);
+		DPRINTF(ah, ATH_DBG_RESET, "bad ack timeout %u\n", us);
 		ah->acktimeout = (u32) -1;
 		return false;
 	} else {
@@ -1178,7 +1178,7 @@ static bool ath9k_hw_set_ack_timeout(struct ath_hw *ah, u32 us)
 static bool ath9k_hw_set_cts_timeout(struct ath_hw *ah, u32 us)
 {
 	if (us > ath9k_hw_mac_to_usec(ah, MS(0xffffffff, AR_TIME_OUT_CTS))) {
-		DPRINTF(ah->ah_sc, ATH_DBG_RESET, "bad cts timeout %u\n", us);
+		DPRINTF(ah, ATH_DBG_RESET, "bad cts timeout %u\n", us);
 		ah->ctstimeout = (u32) -1;
 		return false;
 	} else {
@@ -1192,7 +1192,7 @@ static bool ath9k_hw_set_cts_timeout(struct ath_hw *ah, u32 us)
 static bool ath9k_hw_set_global_txtimeout(struct ath_hw *ah, u32 tu)
 {
 	if (tu > 0xFFFF) {
-		DPRINTF(ah->ah_sc, ATH_DBG_XMIT,
+		DPRINTF(ah, ATH_DBG_XMIT,
 			"bad global tx timeout %u\n", tu);
 		ah->globaltxtimeout = (u32) -1;
 		return false;
@@ -1205,7 +1205,7 @@ static bool ath9k_hw_set_global_txtimeout(struct ath_hw *ah, u32 tu)
 
 static void ath9k_hw_init_user_settings(struct ath_hw *ah)
 {
-	DPRINTF(ah->ah_sc, ATH_DBG_RESET, "ah->misc_mode 0x%x\n",
+	DPRINTF(ah, ATH_DBG_RESET, "ah->misc_mode 0x%x\n",
 		ah->misc_mode);
 
 	if (ah->misc_mode != 0)
@@ -1302,23 +1302,23 @@ static u32 ath9k_hw_def_ini_fixup(struct ath_hw *ah,
 	switch (ah->hw_version.devid) {
 	case AR9280_DEVID_PCI:
 		if (reg == 0x7894) {
-			DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+			DPRINTF(ah, ATH_DBG_EEPROM,
 				"ini VAL: %x  EEPROM: %x\n", value,
 				(pBase->version & 0xff));
 
 			if ((pBase->version & 0xff) > 0x0a) {
-				DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+				DPRINTF(ah, ATH_DBG_EEPROM,
 					"PWDCLKIND: %d\n",
 					pBase->pwdclkind);
 				value &= ~AR_AN_TOP2_PWDCLKIND;
 				value |= AR_AN_TOP2_PWDCLKIND &
 					(pBase->pwdclkind << AR_AN_TOP2_PWDCLKIND_S);
 			} else {
-				DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+				DPRINTF(ah, ATH_DBG_EEPROM,
 					"PWDCLKIND Earlier Rev\n");
 			}
 
-			DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+			DPRINTF(ah, ATH_DBG_EEPROM,
 				"final ini VAL: %x\n", value);
 		}
 		break;
@@ -1491,7 +1491,7 @@ static int ath9k_hw_process_ini(struct ath_hw *ah,
 				 (u32) regulatory->power_limit));
 
 	if (!ath9k_hw_set_rf_regs(ah, chan, freqIndex)) {
-		DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+		DPRINTF(ah, ATH_DBG_FATAL,
 			"ar5416SetRfRegs failed\n");
 		return -EIO;
 	}
@@ -1697,7 +1697,7 @@ static bool ath9k_hw_set_reset(struct ath_hw *ah, int type)
 
 	REG_WRITE(ah, AR_RTC_RC, 0);
 	if (!ath9k_hw_wait(ah, AR_RTC_RC, AR_RTC_RC_M, 0, AH_WAIT_TIMEOUT)) {
-		DPRINTF(ah->ah_sc, ATH_DBG_RESET,
+		DPRINTF(ah, ATH_DBG_RESET,
 			"RTC stuck in MAC reset\n");
 		return false;
 	}
@@ -1734,7 +1734,7 @@ static bool ath9k_hw_set_reset_power_on(struct ath_hw *ah)
 			   AR_RTC_STATUS_M,
 			   AR_RTC_STATUS_ON,
 			   AH_WAIT_TIMEOUT)) {
-		DPRINTF(ah->ah_sc, ATH_DBG_RESET, "RTC not waking up\n");
+		DPRINTF(ah, ATH_DBG_RESET, "RTC not waking up\n");
 		return false;
 	}
 
@@ -1819,7 +1819,7 @@ static bool ath9k_hw_channel_change(struct ath_hw *ah,
 
 	for (qnum = 0; qnum < AR_NUM_QCU; qnum++) {
 		if (ath9k_hw_numtxpending(ah, qnum)) {
-			DPRINTF(ah->ah_sc, ATH_DBG_QUEUE,
+			DPRINTF(ah, ATH_DBG_QUEUE,
 				"Transmit frames pending on queue %d\n", qnum);
 			return false;
 		}
@@ -1828,7 +1828,7 @@ static bool ath9k_hw_channel_change(struct ath_hw *ah,
 	REG_WRITE(ah, AR_PHY_RFBUS_REQ, AR_PHY_RFBUS_REQ_EN);
 	if (!ath9k_hw_wait(ah, AR_PHY_RFBUS_GRANT, AR_PHY_RFBUS_GRANT_EN,
 			   AR_PHY_RFBUS_GRANT_EN, AH_WAIT_TIMEOUT)) {
-		DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+		DPRINTF(ah, ATH_DBG_FATAL,
 			"Could not kill baseband RX\n");
 		return false;
 	}
@@ -1839,7 +1839,7 @@ static bool ath9k_hw_channel_change(struct ath_hw *ah,
 		ath9k_hw_ar9280_set_channel(ah, chan);
 	} else {
 		if (!(ath9k_hw_set_channel(ah, chan))) {
-			DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+			DPRINTF(ah, ATH_DBG_FATAL,
 				"Failed to set channel\n");
 			return false;
 		}
@@ -2400,7 +2400,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 	}
 
 	if (!ath9k_hw_chip_reset(ah, chan)) {
-		DPRINTF(ah->ah_sc, ATH_DBG_FATAL, "Chip reset failed\n");
+		DPRINTF(ah, ATH_DBG_FATAL, "Chip reset failed\n");
 		return -EINVAL;
 	}
 
@@ -2558,13 +2558,13 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 		u32 mask;
 		mask = REG_READ(ah, AR_CFG);
 		if (mask & (AR_CFG_SWRB | AR_CFG_SWTB | AR_CFG_SWRG)) {
-			DPRINTF(ah->ah_sc, ATH_DBG_RESET,
+			DPRINTF(ah, ATH_DBG_RESET,
 				"CFG Byte Swap Set 0x%x\n", mask);
 		} else {
 			mask =
 				INIT_CONFIG_STATUS | AR_CFG_SWRB | AR_CFG_SWTB;
 			REG_WRITE(ah, AR_CFG, mask);
-			DPRINTF(ah->ah_sc, ATH_DBG_RESET,
+			DPRINTF(ah, ATH_DBG_RESET,
 				"Setting CFG 0x%x\n", REG_READ(ah, AR_CFG));
 		}
 	} else {
@@ -2592,7 +2592,7 @@ bool ath9k_hw_keyreset(struct ath_hw *ah, u16 entry)
 	u32 keyType;
 
 	if (entry >= ah->caps.keycache_size) {
-		DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+		DPRINTF(ah, ATH_DBG_FATAL,
 			"keychache entry %u out of range\n", entry);
 		return false;
 	}
@@ -2626,7 +2626,7 @@ bool ath9k_hw_keysetmac(struct ath_hw *ah, u16 entry, const u8 *mac)
 	u32 macHi, macLo;
 
 	if (entry >= ah->caps.keycache_size) {
-		DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+		DPRINTF(ah, ATH_DBG_FATAL,
 			"keychache entry %u out of range\n", entry);
 		return false;
 	}
@@ -2658,7 +2658,7 @@ bool ath9k_hw_set_keycache_entry(struct ath_hw *ah, u16 entry,
 	u32 keyType;
 
 	if (entry >= pCap->keycache_size) {
-		DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+		DPRINTF(ah, ATH_DBG_FATAL,
 			"keycache entry %u out of range\n", entry);
 		return false;
 	}
@@ -2669,7 +2669,7 @@ bool ath9k_hw_set_keycache_entry(struct ath_hw *ah, u16 entry,
 		break;
 	case ATH9K_CIPHER_AES_CCM:
 		if (!(pCap->hw_caps & ATH9K_HW_CAP_CIPHER_AESCCM)) {
-			DPRINTF(ah->ah_sc, ATH_DBG_ANY,
+			DPRINTF(ah, ATH_DBG_ANY,
 				"AES-CCM not supported by mac rev 0x%x\n",
 				ah->hw_version.macRev);
 			return false;
@@ -2680,14 +2680,14 @@ bool ath9k_hw_set_keycache_entry(struct ath_hw *ah, u16 entry,
 		keyType = AR_KEYTABLE_TYPE_TKIP;
 		if (ATH9K_IS_MIC_ENABLED(ah)
 		    && entry + 64 >= pCap->keycache_size) {
-			DPRINTF(ah->ah_sc, ATH_DBG_ANY,
+			DPRINTF(ah, ATH_DBG_ANY,
 				"entry %u inappropriate for TKIP\n", entry);
 			return false;
 		}
 		break;
 	case ATH9K_CIPHER_WEP:
 		if (k->kv_len < WLAN_KEY_LEN_WEP40) {
-			DPRINTF(ah->ah_sc, ATH_DBG_ANY,
+			DPRINTF(ah, ATH_DBG_ANY,
 				"WEP key length %u too small\n", k->kv_len);
 			return false;
 		}
@@ -2702,7 +2702,7 @@ bool ath9k_hw_set_keycache_entry(struct ath_hw *ah, u16 entry,
 		keyType = AR_KEYTABLE_TYPE_CLR;
 		break;
 	default:
-		DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+		DPRINTF(ah, ATH_DBG_FATAL,
 			"cipher %u not supported\n", k->kv_type);
 		return false;
 	}
@@ -2920,7 +2920,7 @@ static bool ath9k_hw_set_power_awake(struct ath_hw *ah, int setChip)
 				    AR_RTC_FORCE_WAKE_EN);
 		}
 		if (i == 0) {
-			DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+			DPRINTF(ah, ATH_DBG_FATAL,
 				"Failed to wakeup in %uus\n", POWER_UP_TIME / 20);
 			return false;
 		}
@@ -2945,7 +2945,7 @@ static bool ath9k_hw_setpower_nolock(struct ath_hw *ah,
 	if (ah->power_mode == mode)
 		return status;
 
-	DPRINTF(ah->ah_sc, ATH_DBG_RESET, "%s -> %s\n",
+	DPRINTF(ah, ATH_DBG_RESET, "%s -> %s\n",
 		modes[ah->power_mode], modes[mode]);
 
 	switch (mode) {
@@ -2960,7 +2960,7 @@ static bool ath9k_hw_setpower_nolock(struct ath_hw *ah,
 		ath9k_set_power_network_sleep(ah, setChip);
 		break;
 	default:
-		DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+		DPRINTF(ah, ATH_DBG_FATAL,
 			"Unknown power mode %u\n", mode);
 		return false;
 	}
@@ -3249,7 +3249,7 @@ bool ath9k_hw_getisr(struct ath_hw *ah, enum ath9k_int *masked)
 		}
 
 		if (isr & AR_ISR_RXORN) {
-			DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT,
+			DPRINTF(ah, ATH_DBG_INTERRUPT,
 				"receive FIFO overrun interrupt\n");
 		}
 
@@ -3292,24 +3292,24 @@ bool ath9k_hw_getisr(struct ath_hw *ah, enum ath9k_int *masked)
 
 		if (fatal_int) {
 			if (sync_cause & AR_INTR_SYNC_HOST1_FATAL) {
-				DPRINTF(ah->ah_sc, ATH_DBG_ANY,
+				DPRINTF(ah, ATH_DBG_ANY,
 					"received PCI FATAL interrupt\n");
 			}
 			if (sync_cause & AR_INTR_SYNC_HOST1_PERR) {
-				DPRINTF(ah->ah_sc, ATH_DBG_ANY,
+				DPRINTF(ah, ATH_DBG_ANY,
 					"received PCI PERR interrupt\n");
 			}
 			*masked |= ATH9K_INT_FATAL;
 		}
 		if (sync_cause & AR_INTR_SYNC_RADM_CPL_TIMEOUT) {
-			DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT,
+			DPRINTF(ah, ATH_DBG_INTERRUPT,
 				"AR_INTR_SYNC_RADM_CPL_TIMEOUT\n");
 			REG_WRITE(ah, AR_RC, AR_RC_HOSTIF);
 			REG_WRITE(ah, AR_RC, 0);
 			*masked |= ATH9K_INT_FATAL;
 		}
 		if (sync_cause & AR_INTR_SYNC_LOCAL_TIMEOUT) {
-			DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT,
+			DPRINTF(ah, ATH_DBG_INTERRUPT,
 				"AR_INTR_SYNC_LOCAL_TIMEOUT\n");
 		}
 
@@ -3326,10 +3326,10 @@ enum ath9k_int ath9k_hw_set_interrupts(struct ath_hw *ah, enum ath9k_int ints)
 	u32 mask, mask2;
 	struct ath9k_hw_capabilities *pCap = &ah->caps;
 
-	DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT, "0x%x => 0x%x\n", omask, ints);
+	DPRINTF(ah, ATH_DBG_INTERRUPT, "0x%x => 0x%x\n", omask, ints);
 
 	if (omask & ATH9K_INT_GLOBAL) {
-		DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT, "disable IER\n");
+		DPRINTF(ah, ATH_DBG_INTERRUPT, "disable IER\n");
 		REG_WRITE(ah, AR_IER, AR_IER_DISABLE);
 		(void) REG_READ(ah, AR_IER);
 		if (!AR_SREV_9100(ah)) {
@@ -3386,7 +3386,7 @@ enum ath9k_int ath9k_hw_set_interrupts(struct ath_hw *ah, enum ath9k_int ints)
 			mask2 |= AR_IMR_S2_CST;
 	}
 
-	DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT, "new IMR 0x%x\n", mask);
+	DPRINTF(ah, ATH_DBG_INTERRUPT, "new IMR 0x%x\n", mask);
 	REG_WRITE(ah, AR_IMR, mask);
 	mask = REG_READ(ah, AR_IMR_S2) & ~(AR_IMR_S2_TIM |
 					   AR_IMR_S2_DTIM |
@@ -3406,7 +3406,7 @@ enum ath9k_int ath9k_hw_set_interrupts(struct ath_hw *ah, enum ath9k_int ints)
 	}
 
 	if (ints & ATH9K_INT_GLOBAL) {
-		DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT, "enable IER\n");
+		DPRINTF(ah, ATH_DBG_INTERRUPT, "enable IER\n");
 		REG_WRITE(ah, AR_IER, AR_IER_ENABLE);
 		if (!AR_SREV_9100(ah)) {
 			REG_WRITE(ah, AR_INTR_ASYNC_ENABLE,
@@ -3419,7 +3419,7 @@ enum ath9k_int ath9k_hw_set_interrupts(struct ath_hw *ah, enum ath9k_int ints)
 			REG_WRITE(ah, AR_INTR_SYNC_MASK,
 				  AR_INTR_SYNC_DEFAULT);
 		}
-		DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT, "AR_IMR 0x%x IER 0x%x\n",
+		DPRINTF(ah, ATH_DBG_INTERRUPT, "AR_IMR 0x%x IER 0x%x\n",
 			 REG_READ(ah, AR_IMR), REG_READ(ah, AR_IER));
 	}
 
@@ -3467,7 +3467,7 @@ void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period)
 			AR_TBTT_TIMER_EN | AR_DBA_TIMER_EN | AR_SWBA_TIMER_EN;
 		break;
 	default:
-		DPRINTF(ah->ah_sc, ATH_DBG_BEACON,
+		DPRINTF(ah, ATH_DBG_BEACON,
 			"%s: unsupported opmode: %d\n",
 			__func__, ah->opmode);
 		return;
@@ -3518,10 +3518,10 @@ void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,
 	else
 		nextTbtt = bs->bs_nexttbtt;
 
-	DPRINTF(ah->ah_sc, ATH_DBG_BEACON, "next DTIM %d\n", bs->bs_nextdtim);
-	DPRINTF(ah->ah_sc, ATH_DBG_BEACON, "next beacon %d\n", nextTbtt);
-	DPRINTF(ah->ah_sc, ATH_DBG_BEACON, "beacon period %d\n", beaconintval);
-	DPRINTF(ah->ah_sc, ATH_DBG_BEACON, "DTIM period %d\n", dtimperiod);
+	DPRINTF(ah, ATH_DBG_BEACON, "next DTIM %d\n", bs->bs_nextdtim);
+	DPRINTF(ah, ATH_DBG_BEACON, "next beacon %d\n", nextTbtt);
+	DPRINTF(ah, ATH_DBG_BEACON, "beacon period %d\n", beaconintval);
+	DPRINTF(ah, ATH_DBG_BEACON, "DTIM period %d\n", dtimperiod);
 
 	REG_WRITE(ah, AR_NEXT_DTIM,
 		  TU_TO_USEC(bs->bs_nextdtim - SLEEP_SLOP));
@@ -3579,7 +3579,7 @@ void ath9k_hw_fill_cap_info(struct ath_hw *ah)
 			regulatory->current_rd += 5;
 		else if (regulatory->current_rd == 0x41)
 			regulatory->current_rd = 0x43;
-		DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
+		DPRINTF(ah, ATH_DBG_REGULATORY,
 			"regdomain mapped to 0x%x\n", regulatory->current_rd);
 	}
 
@@ -4103,7 +4103,7 @@ void ath9k_hw_reset_tsf(struct ath_hw *ah)
 	ath9k_ps_wakeup(ah->ah_sc);
 	if (!ath9k_hw_wait(ah, AR_SLP32_MODE, AR_SLP32_TSF_WRITE_STATUS, 0,
 			   AH_TSF_WRITE_TIMEOUT))
-		DPRINTF(ah->ah_sc, ATH_DBG_RESET,
+		DPRINTF(ah, ATH_DBG_RESET,
 			"AR_SLP32_TSF_WRITE_STATUS limit exceeded\n");
 
 	REG_WRITE(ah, AR_RESET_TSF, AR_RESET_TSF_ONCE);
@@ -4121,7 +4121,7 @@ void ath9k_hw_set_tsfadjust(struct ath_hw *ah, u32 setting)
 bool ath9k_hw_setslottime(struct ath_hw *ah, u32 us)
 {
 	if (us < ATH9K_SLOT_TIME_9 || us > ath9k_hw_mac_to_usec(ah, 0xffff)) {
-		DPRINTF(ah->ah_sc, ATH_DBG_RESET, "bad slot time %u\n", us);
+		DPRINTF(ah, ATH_DBG_RESET, "bad slot time %u\n", us);
 		ah->slottime = (u32) -1;
 		return false;
 	} else {
@@ -4234,7 +4234,7 @@ void ath_gen_timer_start(struct ath_hw *ah,
 
 	tsf = ath9k_hw_gettsf32(ah);
 
-	DPRINTF(ah->ah_sc, ATH_DBG_HWTIMER, "curent tsf %x period %x"
+	DPRINTF(ah, ATH_DBG_HWTIMER, "curent tsf %x period %x"
 		"timer_next %x\n", tsf, timer_period, timer_next);
 
 	/*
@@ -4324,7 +4324,7 @@ void ath_gen_timer_isr(struct ath_hw *ah)
 		index = rightmost_index(timer_table, &thresh_mask);
 		timer = timer_table->timers[index];
 		BUG_ON(!timer);
-		DPRINTF(ah->ah_sc, ATH_DBG_HWTIMER,
+		DPRINTF(ah, ATH_DBG_HWTIMER,
 			"TSF overflow for Gen timer %d\n", index);
 		timer->overflow(timer->arg);
 	}
@@ -4333,7 +4333,7 @@ void ath_gen_timer_isr(struct ath_hw *ah)
 		index = rightmost_index(timer_table, &trigger_mask);
 		timer = timer_table->timers[index];
 		BUG_ON(!timer);
-		DPRINTF(ah->ah_sc, ATH_DBG_HWTIMER,
+		DPRINTF(ah, ATH_DBG_HWTIMER,
 			"Gen timer[%d] trigger\n", index);
 		timer->trigger(timer->arg);
 	}
diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c
index 800bfab9463..b4d2f207857 100644
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -19,7 +19,7 @@
 static void ath9k_hw_set_txq_interrupts(struct ath_hw *ah,
 					struct ath9k_tx_queue_info *qi)
 {
-	DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT,
+	DPRINTF(ah, ATH_DBG_INTERRUPT,
 		"tx ok 0x%x err 0x%x desc 0x%x eol 0x%x urn 0x%x\n",
 		ah->txok_interrupt_mask, ah->txerr_interrupt_mask,
 		ah->txdesc_interrupt_mask, ah->txeol_interrupt_mask,
@@ -47,7 +47,7 @@ void ath9k_hw_puttxbuf(struct ath_hw *ah, u32 q, u32 txdp)
 
 void ath9k_hw_txstart(struct ath_hw *ah, u32 q)
 {
-	DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "Enable TXE on queue: %u\n", q);
+	DPRINTF(ah, ATH_DBG_QUEUE, "Enable TXE on queue: %u\n", q);
 	REG_WRITE(ah, AR_Q_TXE, 1 << q);
 }
 
@@ -105,14 +105,14 @@ bool ath9k_hw_stoptxdma(struct ath_hw *ah, u32 q)
 	u32 wait_time = ATH9K_TX_STOP_DMA_TIMEOUT / ATH9K_TIME_QUANTUM;
 
 	if (q >= pCap->total_queues) {
-		DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "Stopping TX DMA, "
+		DPRINTF(ah, ATH_DBG_QUEUE, "Stopping TX DMA, "
 			"invalid queue: %u\n", q);
 		return false;
 	}
 
 	qi = &ah->txq[q];
 	if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) {
-		DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "Stopping TX DMA, "
+		DPRINTF(ah, ATH_DBG_QUEUE, "Stopping TX DMA, "
 			"inactive queue: %u\n", q);
 		return false;
 	}
@@ -126,7 +126,7 @@ bool ath9k_hw_stoptxdma(struct ath_hw *ah, u32 q)
 	}
 
 	if (ath9k_hw_numtxpending(ah, q)) {
-		DPRINTF(ah->ah_sc, ATH_DBG_QUEUE,
+		DPRINTF(ah, ATH_DBG_QUEUE,
 			"%s: Num of pending TX Frames %d on Q %d\n",
 			__func__, ath9k_hw_numtxpending(ah, q), q);
 
@@ -142,7 +142,7 @@ bool ath9k_hw_stoptxdma(struct ath_hw *ah, u32 q)
 			if ((REG_READ(ah, AR_TSF_L32) >> 10) == (tsfLow >> 10))
 				break;
 
-			DPRINTF(ah->ah_sc, ATH_DBG_QUEUE,
+			DPRINTF(ah, ATH_DBG_QUEUE,
 				"TSF has moved while trying to set "
 				"quiet time TSF: 0x%08x\n", tsfLow);
 		}
@@ -155,7 +155,7 @@ bool ath9k_hw_stoptxdma(struct ath_hw *ah, u32 q)
 		wait = wait_time;
 		while (ath9k_hw_numtxpending(ah, q)) {
 			if ((--wait) == 0) {
-				DPRINTF(ah->ah_sc, ATH_DBG_QUEUE,
+				DPRINTF(ah, ATH_DBG_QUEUE,
 					"Failed to stop TX DMA in 100 "
 					"msec after killing last frame\n");
 				break;
@@ -449,19 +449,19 @@ bool ath9k_hw_set_txq_props(struct ath_hw *ah, int q,
 	struct ath9k_tx_queue_info *qi;
 
 	if (q >= pCap->total_queues) {
-		DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "Set TXQ properties, "
+		DPRINTF(ah, ATH_DBG_QUEUE, "Set TXQ properties, "
 			"invalid queue: %u\n", q);
 		return false;
 	}
 
 	qi = &ah->txq[q];
 	if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) {
-		DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "Set TXQ properties, "
+		DPRINTF(ah, ATH_DBG_QUEUE, "Set TXQ properties, "
 			"inactive queue: %u\n", q);
 		return false;
 	}
 
-	DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "Set queue properties for: %u\n", q);
+	DPRINTF(ah, ATH_DBG_QUEUE, "Set queue properties for: %u\n", q);
 
 	qi->tqi_ver = qinfo->tqi_ver;
 	qi->tqi_subtype = qinfo->tqi_subtype;
@@ -518,14 +518,14 @@ bool ath9k_hw_get_txq_props(struct ath_hw *ah, int q,
 	struct ath9k_tx_queue_info *qi;
 
 	if (q >= pCap->total_queues) {
-		DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "Get TXQ properties, "
+		DPRINTF(ah, ATH_DBG_QUEUE, "Get TXQ properties, "
 			"invalid queue: %u\n", q);
 		return false;
 	}
 
 	qi = &ah->txq[q];
 	if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) {
-		DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "Get TXQ properties, "
+		DPRINTF(ah, ATH_DBG_QUEUE, "Get TXQ properties, "
 			"inactive queue: %u\n", q);
 		return false;
 	}
@@ -574,22 +574,22 @@ int ath9k_hw_setuptxqueue(struct ath_hw *ah, enum ath9k_tx_queue type,
 			    ATH9K_TX_QUEUE_INACTIVE)
 				break;
 		if (q == pCap->total_queues) {
-			DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+			DPRINTF(ah, ATH_DBG_FATAL,
 				"No available TX queue\n");
 			return -1;
 		}
 		break;
 	default:
-		DPRINTF(ah->ah_sc, ATH_DBG_FATAL, "Invalid TX queue type: %u\n",
+		DPRINTF(ah, ATH_DBG_FATAL, "Invalid TX queue type: %u\n",
 			type);
 		return -1;
 	}
 
-	DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "Setup TX queue: %u\n", q);
+	DPRINTF(ah, ATH_DBG_QUEUE, "Setup TX queue: %u\n", q);
 
 	qi = &ah->txq[q];
 	if (qi->tqi_type != ATH9K_TX_QUEUE_INACTIVE) {
-		DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+		DPRINTF(ah, ATH_DBG_FATAL,
 			"TX queue: %u already active\n", q);
 		return -1;
 	}
@@ -620,18 +620,18 @@ bool ath9k_hw_releasetxqueue(struct ath_hw *ah, u32 q)
 	struct ath9k_tx_queue_info *qi;
 
 	if (q >= pCap->total_queues) {
-		DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "Release TXQ, "
+		DPRINTF(ah, ATH_DBG_QUEUE, "Release TXQ, "
 			"invalid queue: %u\n", q);
 		return false;
 	}
 	qi = &ah->txq[q];
 	if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) {
-		DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "Release TXQ, "
+		DPRINTF(ah, ATH_DBG_QUEUE, "Release TXQ, "
 			"inactive queue: %u\n", q);
 		return false;
 	}
 
-	DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "Release TX queue: %u\n", q);
+	DPRINTF(ah, ATH_DBG_QUEUE, "Release TX queue: %u\n", q);
 
 	qi->tqi_type = ATH9K_TX_QUEUE_INACTIVE;
 	ah->txok_interrupt_mask &= ~(1 << q);
@@ -652,19 +652,19 @@ bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q)
 	u32 cwMin, chanCwMin, value;
 
 	if (q >= pCap->total_queues) {
-		DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "Reset TXQ, "
+		DPRINTF(ah, ATH_DBG_QUEUE, "Reset TXQ, "
 			"invalid queue: %u\n", q);
 		return false;
 	}
 
 	qi = &ah->txq[q];
 	if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) {
-		DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "Reset TXQ, "
+		DPRINTF(ah, ATH_DBG_QUEUE, "Reset TXQ, "
 			"inactive queue: %u\n", q);
 		return true;
 	}
 
-	DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, "Reset TX queue: %u\n", q);
+	DPRINTF(ah, ATH_DBG_QUEUE, "Reset TX queue: %u\n", q);
 
 	if (qi->tqi_cwmin == ATH9K_TXQ_USEDEFAULT) {
 		if (chan && IS_CHAN_B(chan))
@@ -911,7 +911,7 @@ bool ath9k_hw_setrxabort(struct ath_hw *ah, bool set)
 				     AR_DIAG_RX_ABORT));
 
 			reg = REG_READ(ah, AR_OBS_BUS_1);
-			DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+			DPRINTF(ah, ATH_DBG_FATAL,
 				"RX failed to go idle in 10 ms RXSM=0x%x\n", reg);
 
 			return false;
@@ -967,7 +967,7 @@ bool ath9k_hw_stopdmarecv(struct ath_hw *ah)
 	}
 
 	if (i == 0) {
-		DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+		DPRINTF(ah, ATH_DBG_FATAL,
 			"DMA failed to stop in %d ms "
 			"AR_CR=0x%08x AR_DIAG_SW=0x%08x\n",
 			AH_RX_STOP_DMA_TIMEOUT / 1000,
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 52bed89063d..68d8dd9602d 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -224,7 +224,7 @@ static void ath_setup_rates(struct ath_softc *sc, enum ieee80211_band band)
 		}
 		sband->n_bitrates++;
 
-		DPRINTF(sc, ATH_DBG_CONFIG, "Rate: %2dMbps, ratecode: %2d\n",
+		DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "Rate: %2dMbps, ratecode: %2d\n",
 			rate[i].bitrate / 10, rate[i].hw_value);
 	}
 }
@@ -280,7 +280,7 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
 	if (!stopped || (sc->sc_flags & SC_OP_FULL_RESET))
 		fastcc = false;
 
-	DPRINTF(sc, ATH_DBG_CONFIG,
+	DPRINTF(sc->sc_ah, ATH_DBG_CONFIG,
 		"(%u MHz) -> (%u MHz), chanwidth: %d\n",
 		sc->sc_ah->curchan->channel,
 		channel->center_freq, sc->tx_chan_width);
@@ -289,7 +289,7 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
 
 	r = ath9k_hw_reset(ah, hchan, fastcc);
 	if (r) {
-		DPRINTF(sc, ATH_DBG_FATAL,
+		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
 			"Unable to reset channel (%u Mhz) "
 			"reset status %d\n",
 			channel->center_freq, r);
@@ -301,7 +301,7 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
 	sc->sc_flags &= ~SC_OP_FULL_RESET;
 
 	if (ath_startrecv(sc) != 0) {
-		DPRINTF(sc, ATH_DBG_FATAL,
+		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
 			"Unable to restart recv logic\n");
 		r = -EIO;
 		goto ps_restore;
@@ -353,7 +353,7 @@ static void ath_ani_calibrate(unsigned long data)
 	/* Long calibration runs independently of short calibration. */
 	if ((timestamp - sc->ani.longcal_timer) >= ATH_LONG_CALINTERVAL) {
 		longcal = true;
-		DPRINTF(sc, ATH_DBG_ANI, "longcal @%lu\n", jiffies);
+		DPRINTF(sc->sc_ah, ATH_DBG_ANI, "longcal @%lu\n", jiffies);
 		sc->ani.longcal_timer = timestamp;
 	}
 
@@ -361,7 +361,7 @@ static void ath_ani_calibrate(unsigned long data)
 	if (!sc->ani.caldone) {
 		if ((timestamp - sc->ani.shortcal_timer) >= short_cal_interval) {
 			shortcal = true;
-			DPRINTF(sc, ATH_DBG_ANI, "shortcal @%lu\n", jiffies);
+			DPRINTF(sc->sc_ah, ATH_DBG_ANI, "shortcal @%lu\n", jiffies);
 			sc->ani.shortcal_timer = timestamp;
 			sc->ani.resetcal_timer = timestamp;
 		}
@@ -395,7 +395,7 @@ static void ath_ani_calibrate(unsigned long data)
 				sc->ani.noise_floor = ath9k_hw_getchan_noise(ah,
 								     ah->curchan);
 
-			DPRINTF(sc, ATH_DBG_ANI," calibrate chan %u/%x nf: %d\n",
+			DPRINTF(sc->sc_ah, ATH_DBG_ANI," calibrate chan %u/%x nf: %d\n",
 				ah->curchan->channel, ah->curchan->channelFlags,
 				sc->ani.noise_floor);
 		}
@@ -448,7 +448,7 @@ void ath_update_chainmask(struct ath_softc *sc, int is_ht)
 		sc->rx_chainmask = 1;
 	}
 
-	DPRINTF(sc, ATH_DBG_CONFIG, "tx chmask: %d, rx chmask: %d\n",
+	DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "tx chmask: %d, rx chmask: %d\n",
 		sc->tx_chainmask, sc->rx_chainmask);
 }
 
@@ -502,7 +502,7 @@ static void ath9k_tasklet(unsigned long data)
 		 * TSF sync does not look correct; remain awake to sync with
 		 * the next Beacon.
 		 */
-		DPRINTF(sc, ATH_DBG_PS, "TSFOOR - Sync with next Beacon\n");
+		DPRINTF(sc->sc_ah, ATH_DBG_PS, "TSFOOR - Sync with next Beacon\n");
 		sc->sc_flags |= SC_OP_WAIT_FOR_BEACON | SC_OP_BEACON_SYNC;
 	}
 
@@ -702,7 +702,7 @@ static int ath_setkey_tkip(struct ath_softc *sc, u16 keyix, const u8 *key,
 	memcpy(hk->kv_mic, key_txmic, sizeof(hk->kv_mic));
 	if (!ath9k_hw_set_keycache_entry(sc->sc_ah, keyix, hk, NULL)) {
 		/* TX MIC entry failed. No need to proceed further */
-		DPRINTF(sc, ATH_DBG_FATAL,
+		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
 			"Setting TX MIC Key Failed\n");
 		return 0;
 	}
@@ -907,7 +907,7 @@ static void setup_ht_cap(struct ath_softc *sc,
 	rx_streams = !(sc->rx_chainmask & (sc->rx_chainmask - 1)) ? 1 : 2;
 
 	if (tx_streams != rx_streams) {
-		DPRINTF(sc, ATH_DBG_CONFIG, "TX streams %d, RX streams: %d\n",
+		DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "TX streams %d, RX streams: %d\n",
 			tx_streams, rx_streams);
 		ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF;
 		ht_info->mcs.tx_params |= ((tx_streams - 1) <<
@@ -927,7 +927,7 @@ static void ath9k_bss_assoc_info(struct ath_softc *sc,
 {
 
 	if (bss_conf->assoc) {
-		DPRINTF(sc, ATH_DBG_CONFIG, "Bss Info ASSOC %d, bssid: %pM\n",
+		DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "Bss Info ASSOC %d, bssid: %pM\n",
 			bss_conf->aid, sc->curbssid);
 
 		/* New association, store aid */
@@ -949,7 +949,7 @@ static void ath9k_bss_assoc_info(struct ath_softc *sc,
 
 		ath_start_ani(sc);
 	} else {
-		DPRINTF(sc, ATH_DBG_CONFIG, "Bss Info DISASSOC\n");
+		DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "Bss Info DISASSOC\n");
 		sc->curaid = 0;
 		/* Stop ANI */
 		del_timer_sync(&sc->ani.timer);
@@ -1042,7 +1042,7 @@ static int ath_register_led(struct ath_softc *sc, struct ath_led *led,
 
 	ret = led_classdev_register(wiphy_dev(sc->hw->wiphy), &led->led_cdev);
 	if (ret)
-		DPRINTF(sc, ATH_DBG_FATAL,
+		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
 			"Failed to register led:%s", led->name);
 	else
 		led->registered = 1;
@@ -1139,7 +1139,7 @@ void ath_radio_enable(struct ath_softc *sc)
 	spin_lock_bh(&sc->sc_resetlock);
 	r = ath9k_hw_reset(ah, ah->curchan, false);
 	if (r) {
-		DPRINTF(sc, ATH_DBG_FATAL,
+		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
 			"Unable to reset channel %u (%uMhz) ",
 			"reset status %d\n",
 			channel->center_freq, r);
@@ -1148,7 +1148,7 @@ void ath_radio_enable(struct ath_softc *sc)
 
 	ath_update_txpow(sc);
 	if (ath_startrecv(sc) != 0) {
-		DPRINTF(sc, ATH_DBG_FATAL,
+		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
 			"Unable to restart recv logic\n");
 		return;
 	}
@@ -1194,7 +1194,7 @@ void ath_radio_disable(struct ath_softc *sc)
 	spin_lock_bh(&sc->sc_resetlock);
 	r = ath9k_hw_reset(ah, ah->curchan, false);
 	if (r) {
-		DPRINTF(sc, ATH_DBG_FATAL,
+		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
 			"Unable to reset channel %u (%uMhz) "
 			"reset status %d\n",
 			channel->center_freq, r);
@@ -1248,11 +1248,12 @@ void ath_cleanup(struct ath_softc *sc)
 void ath_detach(struct ath_softc *sc)
 {
 	struct ieee80211_hw *hw = sc->hw;
+	struct ath_hw *ah = sc->sc_ah;
 	int i = 0;
 
 	ath9k_ps_wakeup(sc);
 
-	DPRINTF(sc, ATH_DBG_CONFIG, "Detach ATH hw\n");
+	dev_dbg(sc->dev, "Detach ATH hw\n");
 
 	ath_deinit_leds(sc);
 	wiphy_rfkill_stop_polling(sc->hw->wiphy);
@@ -1273,7 +1274,7 @@ void ath_detach(struct ath_softc *sc)
 	tasklet_kill(&sc->bcon_tasklet);
 
 	if (!(sc->sc_flags & SC_OP_INVALID))
-		ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_AWAKE);
+		ath9k_hw_setpower(ah, ATH9K_PM_AWAKE);
 
 	/* cleanup tx queues */
 	for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
@@ -1282,11 +1283,11 @@ void ath_detach(struct ath_softc *sc)
 
 	if ((sc->btcoex_info.no_stomp_timer) &&
 	    sc->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE)
-		ath_gen_timer_free(sc->sc_ah, sc->btcoex_info.no_stomp_timer);
+		ath_gen_timer_free(ah, sc->btcoex_info.no_stomp_timer);
 
-	ath9k_hw_detach(sc->sc_ah);
+	ath9k_hw_detach(ah);
+	ath9k_exit_debug(sc->sc_ah);
 	sc->sc_ah = NULL;
-	ath9k_exit_debug(sc);
 }
 
 static int ath9k_reg_notifier(struct wiphy *wiphy,
@@ -1315,9 +1316,6 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
 	/* XXX: hardware will not be ready until ath_open() being called */
 	sc->sc_flags |= SC_OP_INVALID;
 
-	if (ath9k_init_debug(sc) < 0)
-		printk(KERN_ERR "Unable to create debugfs files\n");
-
 	spin_lock_init(&sc->wiphy_lock);
 	spin_lock_init(&sc->sc_resetlock);
 	spin_lock_init(&sc->sc_serial_rw);
@@ -1347,9 +1345,12 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
 	ah->hw_version.subsysid = subsysid;
 	sc->sc_ah = ah;
 
+	if (ath9k_init_debug(ah) < 0)
+		dev_err(sc->dev, "Unable to create debugfs files\n");
+
 	r = ath9k_hw_init(ah);
 	if (r) {
-		DPRINTF(sc, ATH_DBG_FATAL,
+		DPRINTF(ah, ATH_DBG_FATAL,
 			"Unable to initialize hardware; "
 			"initialization status: %d\n", r);
 		goto bad;
@@ -1358,7 +1359,7 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
 	/* Get the hardware key cache size. */
 	sc->keymax = ah->caps.keycache_size;
 	if (sc->keymax > ATH_KEYMAX) {
-		DPRINTF(sc, ATH_DBG_ANY,
+		DPRINTF(ah, ATH_DBG_ANY,
 			"Warning, using only %u entries in %u key cache\n",
 			ATH_KEYMAX, sc->keymax);
 		sc->keymax = ATH_KEYMAX;
@@ -1388,14 +1389,14 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
 	 */
 	sc->beacon.beaconq = ath_beaconq_setup(ah);
 	if (sc->beacon.beaconq == -1) {
-		DPRINTF(sc, ATH_DBG_FATAL,
+		DPRINTF(ah, ATH_DBG_FATAL,
 			"Unable to setup a beacon xmit queue\n");
 		r = -EIO;
 		goto bad2;
 	}
 	sc->beacon.cabq = ath_txq_setup(sc, ATH9K_TX_QUEUE_CAB, 0);
 	if (sc->beacon.cabq == NULL) {
-		DPRINTF(sc, ATH_DBG_FATAL,
+		DPRINTF(ah, ATH_DBG_FATAL,
 			"Unable to setup CAB xmit queue\n");
 		r = -EIO;
 		goto bad2;
@@ -1410,26 +1411,26 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
 	/* Setup data queues */
 	/* NB: ensure BK queue is the lowest priority h/w queue */
 	if (!ath_tx_setup(sc, ATH9K_WME_AC_BK)) {
-		DPRINTF(sc, ATH_DBG_FATAL,
+		DPRINTF(ah, ATH_DBG_FATAL,
 			"Unable to setup xmit queue for BK traffic\n");
 		r = -EIO;
 		goto bad2;
 	}
 
 	if (!ath_tx_setup(sc, ATH9K_WME_AC_BE)) {
-		DPRINTF(sc, ATH_DBG_FATAL,
+		DPRINTF(ah, ATH_DBG_FATAL,
 			"Unable to setup xmit queue for BE traffic\n");
 		r = -EIO;
 		goto bad2;
 	}
 	if (!ath_tx_setup(sc, ATH9K_WME_AC_VI)) {
-		DPRINTF(sc, ATH_DBG_FATAL,
+		DPRINTF(ah, ATH_DBG_FATAL,
 			"Unable to setup xmit queue for VI traffic\n");
 		r = -EIO;
 		goto bad2;
 	}
 	if (!ath_tx_setup(sc, ATH9K_WME_AC_VO)) {
-		DPRINTF(sc, ATH_DBG_FATAL,
+		DPRINTF(ah, ATH_DBG_FATAL,
 			"Unable to setup xmit queue for VO traffic\n");
 		r = -EIO;
 		goto bad2;
@@ -1529,9 +1530,9 @@ bad2:
 			ath_tx_cleanupq(sc, &sc->tx.txq[i]);
 bad:
 	ath9k_hw_detach(ah);
-	sc->sc_ah = NULL;
 bad_no_ah:
-	ath9k_exit_debug(sc);
+	ath9k_exit_debug(sc->sc_ah);
+	sc->sc_ah = NULL;
 
 	return r;
 }
@@ -1577,18 +1578,21 @@ void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
 int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid)
 {
 	struct ieee80211_hw *hw = sc->hw;
+	struct ath_hw *ah;
 	int error = 0, i;
 	struct ath_regulatory *reg;
 
-	DPRINTF(sc, ATH_DBG_CONFIG, "Attach ATH hw\n");
+	dev_dbg(sc->dev, "Attach ATH hw\n");
 
 	error = ath_init_softc(devid, sc, subsysid);
 	if (error != 0)
 		return error;
 
+	ah = sc->sc_ah;
+
 	/* get mac address from hardware and set in mac80211 */
 
-	SET_IEEE80211_PERM_ADDR(hw, sc->sc_ah->macaddr);
+	SET_IEEE80211_PERM_ADDR(hw, ah->macaddr);
 
 	ath_set_hw_capab(sc, hw);
 
@@ -1599,9 +1603,9 @@ int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid)
 
 	reg = &sc->common.regulatory;
 
-	if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
+	if (ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
 		setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_2GHZ].ht_cap);
-		if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes))
+		if (test_bit(ATH9K_MODE_11A, ah->caps.wireless_modes))
 			setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_5GHZ].ht_cap);
 	}
 
@@ -1639,9 +1643,9 @@ error_attach:
 		if (ATH_TXQ_SETUP(sc, i))
 			ath_tx_cleanupq(sc, &sc->tx.txq[i]);
 
-	ath9k_hw_detach(sc->sc_ah);
+	ath9k_hw_detach(ah);
+	ath9k_exit_debug(ah);
 	sc->sc_ah = NULL;
-	ath9k_exit_debug(sc);
 
 	return error;
 }
@@ -1660,12 +1664,12 @@ int ath_reset(struct ath_softc *sc, bool retry_tx)
 	spin_lock_bh(&sc->sc_resetlock);
 	r = ath9k_hw_reset(ah, sc->sc_ah->curchan, false);
 	if (r)
-		DPRINTF(sc, ATH_DBG_FATAL,
+		DPRINTF(ah, ATH_DBG_FATAL,
 			"Unable to reset hardware; reset status %d\n", r);
 	spin_unlock_bh(&sc->sc_resetlock);
 
 	if (ath_startrecv(sc) != 0)
-		DPRINTF(sc, ATH_DBG_FATAL, "Unable to start recv logic\n");
+		DPRINTF(ah, ATH_DBG_FATAL, "Unable to start recv logic\n");
 
 	/*
 	 * We may be doing a reset in response to a request
@@ -1713,13 +1717,13 @@ int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
 	struct ath_buf *bf;
 	int i, bsize, error;
 
-	DPRINTF(sc, ATH_DBG_CONFIG, "%s DMA: %u buffers %u desc/buf\n",
+	DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "%s DMA: %u buffers %u desc/buf\n",
 		name, nbuf, ndesc);
 
 	INIT_LIST_HEAD(head);
 	/* ath_desc must be a multiple of DWORDs */
 	if ((sizeof(struct ath_desc) % 4) != 0) {
-		DPRINTF(sc, ATH_DBG_FATAL, "ath_desc not DWORD aligned\n");
+		DPRINTF(sc->sc_ah, ATH_DBG_FATAL, "ath_desc not DWORD aligned\n");
 		ASSERT((sizeof(struct ath_desc) % 4) == 0);
 		error = -ENOMEM;
 		goto fail;
@@ -1753,7 +1757,7 @@ int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
 		goto fail;
 	}
 	ds = dd->dd_desc;
-	DPRINTF(sc, ATH_DBG_CONFIG, "%s DMA map: %p (%u) -> %llx (%u)\n",
+	DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "%s DMA map: %p (%u) -> %llx (%u)\n",
 		name, ds, (u32) dd->dd_desc_len,
 		ito64(dd->dd_desc_paddr), /*XXX*/(u32) dd->dd_desc_len);
 
@@ -1905,7 +1909,7 @@ static int ath9k_start(struct ieee80211_hw *hw)
 	struct ath9k_channel *init_channel;
 	int r;
 
-	DPRINTF(sc, ATH_DBG_CONFIG, "Starting driver with "
+	DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "Starting driver with "
 		"initial channel: %d MHz\n", curchan->center_freq);
 
 	mutex_lock(&sc->mutex);
@@ -1950,7 +1954,7 @@ static int ath9k_start(struct ieee80211_hw *hw)
 	spin_lock_bh(&sc->sc_resetlock);
 	r = ath9k_hw_reset(sc->sc_ah, init_channel, false);
 	if (r) {
-		DPRINTF(sc, ATH_DBG_FATAL,
+		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
 			"Unable to reset hardware; reset status %d "
 			"(freq %u MHz)\n", r,
 			curchan->center_freq);
@@ -1973,7 +1977,7 @@ static int ath9k_start(struct ieee80211_hw *hw)
 	 * here except setup the interrupt mask.
 	 */
 	if (ath_startrecv(sc) != 0) {
-		DPRINTF(sc, ATH_DBG_FATAL, "Unable to start recv logic\n");
+		DPRINTF(sc->sc_ah, ATH_DBG_FATAL, "Unable to start recv logic\n");
 		r = -EIO;
 		goto mutex_unlock;
 	}
@@ -2042,7 +2046,7 @@ static int ath9k_tx(struct ieee80211_hw *hw,
 		if (ieee80211_is_data(hdr->frame_control) &&
 		    !ieee80211_is_nullfunc(hdr->frame_control) &&
 		    !ieee80211_has_pm(hdr->frame_control)) {
-			DPRINTF(sc, ATH_DBG_PS, "Add PM=1 for a TX frame "
+			DPRINTF(sc->sc_ah, ATH_DBG_PS, "Add PM=1 for a TX frame "
 				"while in PS mode\n");
 			hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM);
 		}
@@ -2058,11 +2062,11 @@ static int ath9k_tx(struct ieee80211_hw *hw,
 		ath9k_ps_wakeup(sc);
 		ath9k_hw_setrxabort(sc->sc_ah, 0);
 		if (ieee80211_is_pspoll(hdr->frame_control)) {
-			DPRINTF(sc, ATH_DBG_PS, "Sending PS-Poll to pick a "
+			DPRINTF(sc->sc_ah, ATH_DBG_PS, "Sending PS-Poll to pick a "
 				"buffered frame\n");
 			sc->sc_flags |= SC_OP_WAIT_FOR_PSPOLL_DATA;
 		} else {
-			DPRINTF(sc, ATH_DBG_PS, "Wake up to complete TX\n");
+			DPRINTF(sc->sc_ah, ATH_DBG_PS, "Wake up to complete TX\n");
 			sc->sc_flags |= SC_OP_WAIT_FOR_TX_ACK;
 		}
 		/*
@@ -2104,10 +2108,10 @@ static int ath9k_tx(struct ieee80211_hw *hw,
 	if (!txctl.txq)
 		goto exit;
 
-	DPRINTF(sc, ATH_DBG_XMIT, "transmitting packet, skb: %p\n", skb);
+	DPRINTF(sc->sc_ah, ATH_DBG_XMIT, "transmitting packet, skb: %p\n", skb);
 
 	if (ath_tx_start(hw, skb, &txctl) != 0) {
-		DPRINTF(sc, ATH_DBG_XMIT, "TX failed\n");
+		DPRINTF(sc->sc_ah, ATH_DBG_XMIT, "TX failed\n");
 		goto exit;
 	}
 
@@ -2135,7 +2139,7 @@ static void ath9k_stop(struct ieee80211_hw *hw)
 	}
 
 	if (sc->sc_flags & SC_OP_INVALID) {
-		DPRINTF(sc, ATH_DBG_ANY, "Device not present\n");
+		DPRINTF(sc->sc_ah, ATH_DBG_ANY, "Device not present\n");
 		mutex_unlock(&sc->mutex);
 		return;
 	}
@@ -2171,7 +2175,7 @@ static void ath9k_stop(struct ieee80211_hw *hw)
 
 	mutex_unlock(&sc->mutex);
 
-	DPRINTF(sc, ATH_DBG_CONFIG, "Driver halt\n");
+	DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "Driver halt\n");
 }
 
 static int ath9k_add_interface(struct ieee80211_hw *hw,
@@ -2205,13 +2209,13 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
 		ic_opmode = conf->type;
 		break;
 	default:
-		DPRINTF(sc, ATH_DBG_FATAL,
+		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
 			"Interface type %d not yet supported\n", conf->type);
 		ret = -EOPNOTSUPP;
 		goto out;
 	}
 
-	DPRINTF(sc, ATH_DBG_CONFIG, "Attach a VIF of type: %d\n", ic_opmode);
+	DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "Attach a VIF of type: %d\n", ic_opmode);
 
 	/* Set the VIF opmode */
 	avp->av_opmode = ic_opmode;
@@ -2264,7 +2268,7 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw,
 	struct ath_vif *avp = (void *)conf->vif->drv_priv;
 	int i;
 
-	DPRINTF(sc, ATH_DBG_CONFIG, "Detach Interface\n");
+	DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "Detach Interface\n");
 
 	mutex_lock(&sc->mutex);
 
@@ -2318,7 +2322,7 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
 		}
 		else if (all_wiphys_idle) {
 			ath_radio_enable(sc);
-			DPRINTF(sc, ATH_DBG_CONFIG,
+			DPRINTF(sc->sc_ah, ATH_DBG_CONFIG,
 				"not-idle: enabling radio\n");
 		}
 	}
@@ -2372,7 +2376,7 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
 			goto skip_chan_change;
 		}
 
-		DPRINTF(sc, ATH_DBG_CONFIG, "Set channel: %d MHz\n",
+		DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "Set channel: %d MHz\n",
 			curchan->center_freq);
 
 		/* XXX: remove me eventualy */
@@ -2381,7 +2385,7 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
 		ath_update_chainmask(sc, conf_is_ht(conf));
 
 		if (ath_set_channel(sc, hw, &sc->sc_ah->channels[pos]) < 0) {
-			DPRINTF(sc, ATH_DBG_FATAL, "Unable to set channel\n");
+			DPRINTF(sc->sc_ah, ATH_DBG_FATAL, "Unable to set channel\n");
 			mutex_unlock(&sc->mutex);
 			return -EINVAL;
 		}
@@ -2392,7 +2396,7 @@ skip_chan_change:
 		sc->config.txpowlimit = 2 * conf->power_level;
 
 	if (disable_radio) {
-		DPRINTF(sc, ATH_DBG_CONFIG, "idle: disabling radio\n");
+		DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "idle: disabling radio\n");
 		ath_radio_disable(sc);
 	}
 
@@ -2429,7 +2433,7 @@ static void ath9k_configure_filter(struct ieee80211_hw *hw,
 	ath9k_hw_setrxfilter(sc->sc_ah, rfilt);
 	ath9k_ps_restore(sc);
 
-	DPRINTF(sc, ATH_DBG_CONFIG, "Set HW RX filter: 0x%x\n", rfilt);
+	DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "Set HW RX filter: 0x%x\n", rfilt);
 }
 
 static void ath9k_sta_notify(struct ieee80211_hw *hw,
@@ -2473,7 +2477,7 @@ static int ath9k_conf_tx(struct ieee80211_hw *hw, u16 queue,
 	qi.tqi_burstTime = params->txop;
 	qnum = ath_get_hal_qnum(queue, sc);
 
-	DPRINTF(sc, ATH_DBG_CONFIG,
+	DPRINTF(sc->sc_ah, ATH_DBG_CONFIG,
 		"Configure tx [queue/halq] [%d/%d],  "
 		"aifs: %d, cw_min: %d, cw_max: %d, txop: %d\n",
 		queue, qnum, params->aifs, params->cw_min,
@@ -2481,7 +2485,7 @@ static int ath9k_conf_tx(struct ieee80211_hw *hw, u16 queue,
 
 	ret = ath_txq_update(sc, qnum, &qi);
 	if (ret)
-		DPRINTF(sc, ATH_DBG_FATAL, "TXQ Update failed\n");
+		DPRINTF(sc->sc_ah, ATH_DBG_FATAL, "TXQ Update failed\n");
 
 	mutex_unlock(&sc->mutex);
 
@@ -2503,7 +2507,7 @@ static int ath9k_set_key(struct ieee80211_hw *hw,
 
 	mutex_lock(&sc->mutex);
 	ath9k_ps_wakeup(sc);
-	DPRINTF(sc, ATH_DBG_CONFIG, "Set HW Key\n");
+	DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "Set HW Key\n");
 
 	switch (cmd) {
 	case SET_KEY:
@@ -2577,7 +2581,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
 			/* Set aggregation protection mode parameters */
 			sc->config.ath_aggr_prot = 0;
 
-			DPRINTF(sc, ATH_DBG_CONFIG,
+			DPRINTF(sc->sc_ah, ATH_DBG_CONFIG,
 				"RX filter 0x%x bssid %pM aid 0x%x\n",
 				rfilt, sc->curbssid, sc->curaid);
 
@@ -2626,7 +2630,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
 		ath_update_chainmask(sc, 0);
 
 	if (changed & BSS_CHANGED_ERP_PREAMBLE) {
-		DPRINTF(sc, ATH_DBG_CONFIG, "BSS Changed PREAMBLE %d\n",
+		DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "BSS Changed PREAMBLE %d\n",
 			bss_conf->use_short_preamble);
 		if (bss_conf->use_short_preamble)
 			sc->sc_flags |= SC_OP_PREAMBLE_SHORT;
@@ -2635,7 +2639,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
 	}
 
 	if (changed & BSS_CHANGED_ERP_CTS_PROT) {
-		DPRINTF(sc, ATH_DBG_CONFIG, "BSS Changed CTS PROT %d\n",
+		DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "BSS Changed CTS PROT %d\n",
 			bss_conf->use_cts_prot);
 		if (bss_conf->use_cts_prot &&
 		    hw->conf.channel->band != IEEE80211_BAND_5GHZ)
@@ -2645,7 +2649,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
 	}
 
 	if (changed & BSS_CHANGED_ASSOC) {
-		DPRINTF(sc, ATH_DBG_CONFIG, "BSS Changed ASSOC %d\n",
+		DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "BSS Changed ASSOC %d\n",
 			bss_conf->assoc);
 		ath9k_bss_assoc_info(sc, vif, bss_conf);
 	}
@@ -2726,7 +2730,7 @@ static int ath9k_ampdu_action(struct ieee80211_hw *hw,
 		ath_tx_aggr_resume(sc, sta, tid);
 		break;
 	default:
-		DPRINTF(sc, ATH_DBG_FATAL, "Unknown AMPDU action\n");
+		DPRINTF(sc->sc_ah, ATH_DBG_FATAL, "Unknown AMPDU action\n");
 	}
 
 	return ret;
diff --git a/drivers/net/wireless/ath/ath9k/phy.c b/drivers/net/wireless/ath/ath9k/phy.c
index 63bf9a307c6..1166f725f55 100644
--- a/drivers/net/wireless/ath/ath9k/phy.c
+++ b/drivers/net/wireless/ath/ath9k/phy.c
@@ -46,7 +46,7 @@ ath9k_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
 			channelSel = ((freq - 704) * 2 - 3040) / 10;
 			bModeSynth = 1;
 		} else {
-			DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+			DPRINTF(ah, ATH_DBG_FATAL,
 				"Invalid channel %u MHz\n", freq);
 			return false;
 		}
@@ -79,7 +79,7 @@ ath9k_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
 		channelSel = ath9k_hw_reverse_bits((freq - 4800) / 5, 8);
 		aModeRefSel = ath9k_hw_reverse_bits(1, 2);
 	} else {
-		DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+		DPRINTF(ah, ATH_DBG_FATAL,
 			"Invalid channel %u MHz\n", freq);
 		return false;
 	}
@@ -315,7 +315,7 @@ bool ath9k_hw_init_rf(struct ath_hw *ah, int *status)
 		    || ah->analogBank6Data == NULL
 		    || ah->analogBank6TPCData == NULL
 		    || ah->analogBank7Data == NULL) {
-			DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+			DPRINTF(ah, ATH_DBG_FATAL,
 				"Cannot allocate RF banks\n");
 			*status = -ENOMEM;
 			return false;
@@ -326,7 +326,7 @@ bool ath9k_hw_init_rf(struct ath_hw *ah, int *status)
 			     ah->iniAddac.ia_rows *
 			     ah->iniAddac.ia_columns), GFP_KERNEL);
 		if (ah->addac5416_21 == NULL) {
-			DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+			DPRINTF(ah, ATH_DBG_FATAL,
 				"Cannot allocate addac5416_21\n");
 			*status = -ENOMEM;
 			return false;
@@ -336,7 +336,7 @@ bool ath9k_hw_init_rf(struct ath_hw *ah, int *status)
 		    kzalloc((sizeof(u32) *
 			     ah->iniBank6.ia_rows), GFP_KERNEL);
 		if (ah->bank6Temp == NULL) {
-			DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+			DPRINTF(ah, ATH_DBG_FATAL,
 				"Cannot allocate bank6Temp\n");
 			*status = -ENOMEM;
 			return false;
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index 16a271787b8..cafe1ec7bdb 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -1177,13 +1177,14 @@ struct ath_rate_table *ath_choose_rate_table(struct ath_softc *sc,
 			mode = ATH9K_MODE_11NA_HT40PLUS;
 		break;
 	default:
-		DPRINTF(sc, ATH_DBG_CONFIG, "Invalid band\n");
+		DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "Invalid band\n");
 		return NULL;
 	}
 
 	BUG_ON(mode >= ATH9K_MODE_MAX);
 
-	DPRINTF(sc, ATH_DBG_CONFIG, "Choosing rate table for mode: %d\n", mode);
+	DPRINTF(sc->sc_ah, ATH_DBG_CONFIG,
+		"Choosing rate table for mode: %d\n", mode);
 	return sc->hw_rate_table[mode];
 }
 
@@ -1198,7 +1199,8 @@ static void ath_rc_init(struct ath_softc *sc,
 	u8 i, j, k, hi = 0, hthi = 0;
 
 	if (!rate_table) {
-		DPRINTF(sc, ATH_DBG_FATAL, "Rate table not initialized\n");
+		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
+			"Rate table not initialized\n");
 		return;
 	}
 
@@ -1261,7 +1263,8 @@ static void ath_rc_init(struct ath_softc *sc,
 	ath_rc_priv->rate_max_phy = ath_rc_priv->valid_rate_index[k-4];
 	sc->cur_rate_table = rate_table;
 
-	DPRINTF(sc, ATH_DBG_CONFIG, "RC Initialized with capabilities: 0x%x\n",
+	DPRINTF(sc->sc_ah, ATH_DBG_CONFIG,
+		"RC Initialized with capabilities: 0x%x\n",
 		ath_rc_priv->ht_cap);
 }
 
@@ -1438,7 +1441,7 @@ static void ath_rate_update(void *priv, struct ieee80211_supported_band *sband,
 						   oper_cw40, oper_sgi40);
 			ath_rc_init(sc, priv_sta, sband, sta, rate_table);
 
-			DPRINTF(sc, ATH_DBG_CONFIG,
+			DPRINTF(sc->sc_ah, ATH_DBG_CONFIG,
 				"Operating HT Bandwidth changed to: %d\n",
 				sc->hw->conf.channel_type);
 		}
@@ -1463,7 +1466,7 @@ static void *ath_rate_alloc_sta(void *priv, struct ieee80211_sta *sta, gfp_t gfp
 
 	rate_priv = kzalloc(sizeof(struct ath_rate_priv), gfp);
 	if (!rate_priv) {
-		DPRINTF(sc, ATH_DBG_FATAL,
+		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
 			"Unable to allocate private rc structure\n");
 		return NULL;
 	}
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index ec0abf82399..ee1e8b47496 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -306,7 +306,7 @@ int ath_rx_init(struct ath_softc *sc, int nbufs)
 	sc->rx.bufsize = roundup(IEEE80211_MAX_MPDU_LEN,
 				 min(sc->common.cachelsz, (u16)64));
 
-	DPRINTF(sc, ATH_DBG_CONFIG, "cachelsz %u rxbufsize %u\n",
+	DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "cachelsz %u rxbufsize %u\n",
 		sc->common.cachelsz, sc->rx.bufsize);
 
 	/* Initialize rx descriptors */
@@ -314,7 +314,7 @@ int ath_rx_init(struct ath_softc *sc, int nbufs)
 	error = ath_descdma_setup(sc, &sc->rx.rxdma, &sc->rx.rxbuf,
 				  "rx", nbufs, 1);
 	if (error != 0) {
-		DPRINTF(sc, ATH_DBG_FATAL,
+		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
 			"failed to allocate rx descriptors: %d\n", error);
 		goto err;
 	}
@@ -334,7 +334,7 @@ int ath_rx_init(struct ath_softc *sc, int nbufs)
 					       bf->bf_buf_addr))) {
 			dev_kfree_skb_any(skb);
 			bf->bf_mpdu = NULL;
-			DPRINTF(sc, ATH_DBG_FATAL,
+			DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
 				"dma_mapping_error() on RX init\n");
 			error = -ENOMEM;
 			goto err;
@@ -539,7 +539,7 @@ static void ath_rx_ps_beacon(struct ath_softc *sc, struct sk_buff *skb)
 
 	if (sc->sc_flags & SC_OP_BEACON_SYNC) {
 		sc->sc_flags &= ~SC_OP_BEACON_SYNC;
-		DPRINTF(sc, ATH_DBG_PS, "Reconfigure Beacon timers based on "
+		DPRINTF(sc->sc_ah, ATH_DBG_PS, "Reconfigure Beacon timers based on "
 			"timestamp from the AP\n");
 		ath_beacon_config(sc, NULL);
 	}
@@ -552,7 +552,7 @@ static void ath_rx_ps_beacon(struct ath_softc *sc, struct sk_buff *skb)
 		 * a backup trigger for returning into NETWORK SLEEP state,
 		 * so we are waiting for it as well.
 		 */
-		DPRINTF(sc, ATH_DBG_PS, "Received DTIM beacon indicating "
+		DPRINTF(sc->sc_ah, ATH_DBG_PS, "Received DTIM beacon indicating "
 			"buffered broadcast/multicast frame(s)\n");
 		sc->sc_flags |= SC_OP_WAIT_FOR_CAB | SC_OP_WAIT_FOR_BEACON;
 		return;
@@ -565,7 +565,7 @@ static void ath_rx_ps_beacon(struct ath_softc *sc, struct sk_buff *skb)
 		 * been delivered.
 		 */
 		sc->sc_flags &= ~SC_OP_WAIT_FOR_CAB;
-		DPRINTF(sc, ATH_DBG_PS, "PS wait for CAB frames timed out\n");
+		DPRINTF(sc->sc_ah, ATH_DBG_PS, "PS wait for CAB frames timed out\n");
 	}
 }
 
@@ -589,13 +589,13 @@ static void ath_rx_ps(struct ath_softc *sc, struct sk_buff *skb)
 		 * point.
 		 */
 		sc->sc_flags &= ~SC_OP_WAIT_FOR_CAB;
-		DPRINTF(sc, ATH_DBG_PS, "All PS CAB frames received, back to "
+		DPRINTF(sc->sc_ah, ATH_DBG_PS, "All PS CAB frames received, back to "
 			"sleep\n");
 	} else if ((sc->sc_flags & SC_OP_WAIT_FOR_PSPOLL_DATA) &&
 		   !is_multicast_ether_addr(hdr->addr1) &&
 		   !ieee80211_has_morefrags(hdr->frame_control)) {
 		sc->sc_flags &= ~SC_OP_WAIT_FOR_PSPOLL_DATA;
-		DPRINTF(sc, ATH_DBG_PS, "Going back to sleep after having "
+		DPRINTF(sc->sc_ah, ATH_DBG_PS, "Going back to sleep after having "
 			"received PS-Poll data (0x%x)\n",
 			sc->sc_flags & (SC_OP_WAIT_FOR_BEACON |
 					SC_OP_WAIT_FOR_CAB |
@@ -811,7 +811,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 			  bf->bf_buf_addr))) {
 			dev_kfree_skb_any(requeue_skb);
 			bf->bf_mpdu = NULL;
-			DPRINTF(sc, ATH_DBG_FATAL,
+			DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
 				"dma_mapping_error() on RX\n");
 			ath_rx_send_to_mac80211(sc, skb, &rx_status);
 			break;
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 42551a48c8a..ddd3062186a 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -854,7 +854,7 @@ struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype)
 		return NULL;
 	}
 	if (qnum >= ARRAY_SIZE(sc->tx.txq)) {
-		DPRINTF(sc, ATH_DBG_FATAL,
+		DPRINTF(ah, ATH_DBG_FATAL,
 			"qnum %u out of range, max %u!\n",
 			qnum, (unsigned int)ARRAY_SIZE(sc->tx.txq));
 		ath9k_hw_releasetxqueue(ah, qnum);
@@ -884,7 +884,7 @@ int ath_tx_get_qnum(struct ath_softc *sc, int qtype, int haltype)
 	switch (qtype) {
 	case ATH9K_TX_QUEUE_DATA:
 		if (haltype >= ARRAY_SIZE(sc->tx.hwq_map)) {
-			DPRINTF(sc, ATH_DBG_FATAL,
+			DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
 				"HAL AC %u out of range, max %zu!\n",
 				haltype, ARRAY_SIZE(sc->tx.hwq_map));
 			return -1;
@@ -914,7 +914,7 @@ struct ath_txq *ath_test_get_txq(struct ath_softc *sc, struct sk_buff *skb)
 	spin_lock_bh(&txq->axq_lock);
 
 	if (txq->axq_depth >= (ATH_TXBUF - 20)) {
-		DPRINTF(sc, ATH_DBG_XMIT,
+		DPRINTF(sc->sc_ah, ATH_DBG_XMIT,
 			"TX queue: %d is full, depth: %d\n",
 			qnum, txq->axq_depth);
 		ieee80211_stop_queue(sc->hw, skb_get_queue_mapping(skb));
@@ -955,7 +955,7 @@ int ath_txq_update(struct ath_softc *sc, int qnum,
 	qi.tqi_readyTime = qinfo->tqi_readyTime;
 
 	if (!ath9k_hw_set_txq_props(ah, qnum, &qi)) {
-		DPRINTF(sc, ATH_DBG_FATAL,
+		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
 			"Unable to update hardware queue %u!\n", qnum);
 		error = -EIO;
 	} else {
@@ -1076,12 +1076,12 @@ void ath_drain_all_txq(struct ath_softc *sc, bool retry_tx)
 	if (npend) {
 		int r;
 
-		DPRINTF(sc, ATH_DBG_XMIT, "Unable to stop TxDMA. Reset HAL!\n");
+		DPRINTF(sc->sc_ah, ATH_DBG_XMIT, "Unable to stop TxDMA. Reset HAL!\n");
 
 		spin_lock_bh(&sc->sc_resetlock);
 		r = ath9k_hw_reset(ah, sc->sc_ah->curchan, true);
 		if (r)
-			DPRINTF(sc, ATH_DBG_FATAL,
+			DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
 				"Unable to reset hardware; reset status %d\n",
 				r);
 		spin_unlock_bh(&sc->sc_resetlock);
@@ -1147,7 +1147,7 @@ int ath_tx_setup(struct ath_softc *sc, int haltype)
 	struct ath_txq *txq;
 
 	if (haltype >= ARRAY_SIZE(sc->tx.hwq_map)) {
-		DPRINTF(sc, ATH_DBG_FATAL,
+		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
 			"HAL AC %u out of range, max %zu!\n",
 			 haltype, ARRAY_SIZE(sc->tx.hwq_map));
 		return 0;
@@ -1188,17 +1188,17 @@ static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq,
 	txq->axq_depth++;
 	txq->axq_linkbuf = list_entry(txq->axq_q.prev, struct ath_buf, list);
 
-	DPRINTF(sc, ATH_DBG_QUEUE,
+	DPRINTF(sc->sc_ah, ATH_DBG_QUEUE,
 		"qnum: %d, txq depth: %d\n", txq->axq_qnum, txq->axq_depth);
 
 	if (txq->axq_link == NULL) {
 		ath9k_hw_puttxbuf(ah, txq->axq_qnum, bf->bf_daddr);
-		DPRINTF(sc, ATH_DBG_XMIT,
+		DPRINTF(sc->sc_ah, ATH_DBG_XMIT,
 			"TXDP[%u] = %llx (%p)\n",
 			txq->axq_qnum, ito64(bf->bf_daddr), bf->bf_desc);
 	} else {
 		*txq->axq_link = bf->bf_daddr;
-		DPRINTF(sc, ATH_DBG_XMIT, "link[%u] (%p)=%llx (%p)\n",
+		DPRINTF(sc->sc_ah, ATH_DBG_XMIT, "link[%u] (%p)=%llx (%p)\n",
 			txq->axq_qnum, txq->axq_link,
 			ito64(bf->bf_daddr), bf->bf_desc);
 	}
@@ -1587,7 +1587,8 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf,
 		bf->bf_mpdu = NULL;
 		kfree(tx_info_priv);
 		tx_info->rate_driver_data[0] = NULL;
-		DPRINTF(sc, ATH_DBG_FATAL, "dma_mapping_error() on TX\n");
+		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
+			"dma_mapping_error() on TX\n");
 		return -ENOMEM;
 	}
 
@@ -1674,7 +1675,7 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
 
 	bf = ath_tx_get_buffer(sc);
 	if (!bf) {
-		DPRINTF(sc, ATH_DBG_XMIT, "TX buffers are full\n");
+		DPRINTF(sc->sc_ah, ATH_DBG_XMIT, "TX buffers are full\n");
 		return -1;
 	}
 
@@ -1682,7 +1683,7 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
 	if (unlikely(r)) {
 		struct ath_txq *txq = txctl->txq;
 
-		DPRINTF(sc, ATH_DBG_FATAL, "TX mem alloc failure\n");
+		DPRINTF(sc->sc_ah, ATH_DBG_FATAL, "TX mem alloc failure\n");
 
 		/* upon ath_tx_processq() this TX queue will be resumed, we
 		 * guarantee this will happen by knowing beforehand that
@@ -1736,7 +1737,8 @@ void ath_tx_cabq(struct ieee80211_hw *hw, struct sk_buff *skb)
 	if (hdrlen & 3) {
 		padsize = hdrlen % 4;
 		if (skb_headroom(skb) < padsize) {
-			DPRINTF(sc, ATH_DBG_XMIT, "TX CABQ padding failed\n");
+			DPRINTF(sc->sc_ah, ATH_DBG_XMIT,
+				"TX CABQ padding failed\n");
 			dev_kfree_skb_any(skb);
 			return;
 		}
@@ -1746,10 +1748,10 @@ void ath_tx_cabq(struct ieee80211_hw *hw, struct sk_buff *skb)
 
 	txctl.txq = sc->beacon.cabq;
 
-	DPRINTF(sc, ATH_DBG_XMIT, "transmitting CABQ packet, skb: %p\n", skb);
+	DPRINTF(sc->sc_ah, ATH_DBG_XMIT, "transmitting CABQ packet, skb: %p\n", skb);
 
 	if (ath_tx_start(hw, skb, &txctl) != 0) {
-		DPRINTF(sc, ATH_DBG_XMIT, "CABQ TX failed\n");
+		DPRINTF(sc->sc_ah, ATH_DBG_XMIT, "CABQ TX failed\n");
 		goto exit;
 	}
 
@@ -1771,7 +1773,7 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
 	int hdrlen, padsize;
 	int frame_type = ATH9K_NOT_INTERNAL;
 
-	DPRINTF(sc, ATH_DBG_XMIT, "TX complete: skb: %p\n", skb);
+	DPRINTF(sc->sc_ah, ATH_DBG_XMIT, "TX complete: skb: %p\n", skb);
 
 	if (tx_info_priv) {
 		hw = tx_info_priv->aphy->hw;
@@ -1805,7 +1807,7 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
 
 	if (sc->sc_flags & SC_OP_WAIT_FOR_TX_ACK) {
 		sc->sc_flags &= ~SC_OP_WAIT_FOR_TX_ACK;
-		DPRINTF(sc, ATH_DBG_PS, "Going back to sleep after having "
+		DPRINTF(sc->sc_ah, ATH_DBG_PS, "Going back to sleep after having "
 			"received TX status (0x%x)\n",
 			sc->sc_flags & (SC_OP_WAIT_FOR_BEACON |
 					SC_OP_WAIT_FOR_CAB |
@@ -1942,7 +1944,7 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
 	int txok;
 	int status;
 
-	DPRINTF(sc, ATH_DBG_QUEUE, "tx queue %d (%x), link %p\n",
+	DPRINTF(ah, ATH_DBG_QUEUE, "tx queue %d (%x), link %p\n",
 		txq->axq_qnum, ath9k_hw_gettxbuf(sc->sc_ah, txq->axq_qnum),
 		txq->axq_link);
 
@@ -2064,7 +2066,7 @@ static void ath_tx_complete_poll_work(struct work_struct *work)
 		}
 
 	if (needreset) {
-		DPRINTF(sc, ATH_DBG_RESET, "tx hung, resetting the chip\n");
+		DPRINTF(sc->sc_ah, ATH_DBG_RESET, "tx hung, resetting the chip\n");
 		ath_reset(sc, false);
 	}
 
@@ -2100,7 +2102,7 @@ int ath_tx_init(struct ath_softc *sc, int nbufs)
 	error = ath_descdma_setup(sc, &sc->tx.txdma, &sc->tx.txbuf,
 				  "tx", nbufs, 1);
 	if (error != 0) {
-		DPRINTF(sc, ATH_DBG_FATAL,
+		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
 			"Failed to allocate tx descriptors: %d\n", error);
 		goto err;
 	}
@@ -2108,7 +2110,7 @@ int ath_tx_init(struct ath_softc *sc, int nbufs)
 	error = ath_descdma_setup(sc, &sc->beacon.bdma, &sc->beacon.bbuf,
 				  "beacon", ATH_BCBUF, 1);
 	if (error != 0) {
-		DPRINTF(sc, ATH_DBG_FATAL,
+		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
 			"Failed to allocate beacon descriptors: %d\n", error);
 		goto err;
 	}
-- 
GitLab


From 2e20250a2ce1f4a7ba7c83ccb62d9b7b9b96c736 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 9 Sep 2009 01:18:09 -0700
Subject: [PATCH 0056/1815] ath9k: move btcoex core driver info to its own
 struct

There is some bluetooth coexistance data which is driver
specific, stuff that into its own structure.

Cc: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/ath9k.h  | 11 ++++
 drivers/net/wireless/ath/ath9k/btcoex.c | 73 +++++++++++++------------
 drivers/net/wireless/ath/ath9k/btcoex.h | 16 ++----
 drivers/net/wireless/ath/ath9k/main.c   |  4 +-
 4 files changed, 55 insertions(+), 49 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 1d59f10f68d..831874c621e 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -451,6 +451,16 @@ struct ath_ani {
 	struct timer_list timer;
 };
 
+struct ath_btcoex {
+	bool hw_timer_enabled;
+	spinlock_t btcoex_lock;
+	struct timer_list period_timer; /* Timer for BT period */
+	u32 bt_priority_cnt;
+	unsigned long bt_priority_time;
+	u32 btcoex_no_stomp; /* in usec */
+	u32 btcoex_period; /* in usec */
+};
+
 /********************/
 /*   LED Control    */
 /********************/
@@ -613,6 +623,7 @@ struct ath_softc {
 	struct ath_beacon_config cur_beacon_conf;
 	struct delayed_work tx_complete_work;
 	struct ath_btcoex_info btcoex_info;
+	struct ath_btcoex btcoex;
 };
 
 struct ath_wiphy {
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c
index e19a9c99fb2..e88a0a3f68f 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.c
+++ b/drivers/net/wireless/ath/ath9k/btcoex.c
@@ -48,14 +48,14 @@ bool ath_btcoex_supported(u16 subsysid)
  */
 static void ath_detect_bt_priority(struct ath_softc *sc)
 {
-	struct ath_btcoex_info *btinfo = &sc->btcoex_info;
+	struct ath_btcoex *btcoex = &sc->btcoex;
 
-	if (ath9k_hw_gpio_get(sc->sc_ah, btinfo->btpriority_gpio))
-		btinfo->bt_priority_cnt++;
+	if (ath9k_hw_gpio_get(sc->sc_ah, sc->btcoex_info.btpriority_gpio))
+		btcoex->bt_priority_cnt++;
 
-	if (time_after(jiffies, btinfo->bt_priority_time +
+	if (time_after(jiffies, btcoex->bt_priority_time +
 			msecs_to_jiffies(ATH_BT_PRIORITY_TIME_THRESHOLD))) {
-		if (btinfo->bt_priority_cnt >= ATH_BT_CNT_THRESHOLD) {
+		if (btcoex->bt_priority_cnt >= ATH_BT_CNT_THRESHOLD) {
 			DPRINTF(sc->sc_ah, ATH_DBG_BTCOEX,
 				"BT priority traffic detected");
 			sc->sc_flags |= SC_OP_BT_PRIORITY_DETECTED;
@@ -63,8 +63,8 @@ static void ath_detect_bt_priority(struct ath_softc *sc)
 			sc->sc_flags &= ~SC_OP_BT_PRIORITY_DETECTED;
 		}
 
-		btinfo->bt_priority_cnt = 0;
-		btinfo->bt_priority_time = jiffies;
+		btcoex->bt_priority_cnt = 0;
+		btcoex->bt_priority_time = jiffies;
 	}
 }
 
@@ -106,29 +106,30 @@ static void ath_btcoex_bt_stomp(struct ath_softc *sc,
 static void ath_btcoex_period_timer(unsigned long data)
 {
 	struct ath_softc *sc = (struct ath_softc *) data;
+	struct ath_btcoex *btcoex = &sc->btcoex;
 	struct ath_btcoex_info *btinfo = &sc->btcoex_info;
 
 	ath_detect_bt_priority(sc);
 
-	spin_lock_bh(&btinfo->btcoex_lock);
+	spin_lock_bh(&btcoex->btcoex_lock);
 
 	ath_btcoex_bt_stomp(sc, btinfo, btinfo->bt_stomp_type);
 
-	spin_unlock_bh(&btinfo->btcoex_lock);
+	spin_unlock_bh(&btcoex->btcoex_lock);
 
-	if (btinfo->btcoex_period != btinfo->btcoex_no_stomp) {
-		if (btinfo->hw_timer_enabled)
+	if (btcoex->btcoex_period != btcoex->btcoex_no_stomp) {
+		if (btcoex->hw_timer_enabled)
 			ath_gen_timer_stop(sc->sc_ah, btinfo->no_stomp_timer);
 
 		ath_gen_timer_start(sc->sc_ah,
 			btinfo->no_stomp_timer,
 			(ath9k_hw_gettsf32(sc->sc_ah) +
-				btinfo->btcoex_no_stomp),
-				btinfo->btcoex_no_stomp * 10);
-		btinfo->hw_timer_enabled = true;
+				btcoex->btcoex_no_stomp),
+				btcoex->btcoex_no_stomp * 10);
+		btcoex->hw_timer_enabled = true;
 	}
 
-	mod_timer(&btinfo->period_timer, jiffies +
+	mod_timer(&btcoex->period_timer, jiffies +
 				  msecs_to_jiffies(ATH_BTCOEX_DEF_BT_PERIOD));
 }
 
@@ -140,23 +141,25 @@ static void ath_btcoex_period_timer(unsigned long data)
 static void ath_btcoex_no_stomp_timer(void *arg)
 {
 	struct ath_softc *sc = (struct ath_softc *)arg;
+	struct ath_btcoex *btcoex = &sc->btcoex;
 	struct ath_btcoex_info *btinfo = &sc->btcoex_info;
 
 	DPRINTF(sc->sc_ah, ATH_DBG_BTCOEX, "no stomp timer running \n");
 
-	spin_lock_bh(&btinfo->btcoex_lock);
+	spin_lock_bh(&btcoex->btcoex_lock);
 
 	if (btinfo->bt_stomp_type == ATH_BTCOEX_STOMP_LOW)
 		ath_btcoex_bt_stomp(sc, btinfo, ATH_BTCOEX_STOMP_NONE);
 	 else if (btinfo->bt_stomp_type == ATH_BTCOEX_STOMP_ALL)
 		ath_btcoex_bt_stomp(sc, btinfo, ATH_BTCOEX_STOMP_LOW);
 
-	spin_unlock_bh(&btinfo->btcoex_lock);
+	spin_unlock_bh(&btcoex->btcoex_lock);
 }
 
 static int ath_init_btcoex_info(struct ath_hw *hw,
 				struct ath_btcoex_info *btcoex_info)
 {
+	struct ath_btcoex *btcoex = &hw->ah_sc->btcoex;
 	u32 i;
 	int qnum;
 
@@ -181,15 +184,15 @@ static int ath_init_btcoex_info(struct ath_hw *hw,
 
 	btcoex_info->bt_stomp_type = ATH_BTCOEX_STOMP_LOW;
 
-	btcoex_info->btcoex_period = ATH_BTCOEX_DEF_BT_PERIOD * 1000;
+	btcoex->btcoex_period = ATH_BTCOEX_DEF_BT_PERIOD * 1000;
 
-	btcoex_info->btcoex_no_stomp = (100 - ATH_BTCOEX_DEF_DUTY_CYCLE) *
-		btcoex_info->btcoex_period / 100;
+	btcoex->btcoex_no_stomp = (100 - ATH_BTCOEX_DEF_DUTY_CYCLE) *
+		btcoex->btcoex_period / 100;
 
 	for (i = 0; i < 32; i++)
 		hw->hw_gen_timers.gen_timer_index[(debruijn32 << i) >> 27] = i;
 
-	setup_timer(&btcoex_info->period_timer, ath_btcoex_period_timer,
+	setup_timer(&btcoex->period_timer, ath_btcoex_period_timer,
 			(unsigned long) hw->ah_sc);
 
 	btcoex_info->no_stomp_timer = ath_gen_timer_alloc(hw,
@@ -200,7 +203,7 @@ static int ath_init_btcoex_info(struct ath_hw *hw,
 	if (btcoex_info->no_stomp_timer == NULL)
 		return -ENOMEM;
 
-	spin_lock_init(&btcoex_info->btcoex_lock);
+	spin_lock_init(&btcoex->btcoex_lock);
 
 	return 0;
 }
@@ -307,34 +310,34 @@ void ath9k_hw_btcoex_disable(struct ath_hw *ah)
 /*
  * Pause btcoex timer and bt duty cycle timer
  */
-void ath_btcoex_timer_pause(struct ath_softc *sc,
-			    struct ath_btcoex_info *btinfo)
+void ath_btcoex_timer_pause(struct ath_softc *sc)
 {
+	struct ath_btcoex *btcoex = &sc->btcoex;
 
-	del_timer_sync(&btinfo->period_timer);
+	del_timer_sync(&btcoex->period_timer);
 
-	if (btinfo->hw_timer_enabled)
-		ath_gen_timer_stop(sc->sc_ah, btinfo->no_stomp_timer);
+	if (btcoex->hw_timer_enabled)
+		ath_gen_timer_stop(sc->sc_ah, sc->btcoex_info.no_stomp_timer);
 
-	btinfo->hw_timer_enabled = false;
+	btcoex->hw_timer_enabled = false;
 }
 
 /*
  * (Re)start btcoex timers
  */
-void ath_btcoex_timer_resume(struct ath_softc *sc,
-			     struct ath_btcoex_info *btinfo)
+void ath_btcoex_timer_resume(struct ath_softc *sc)
 {
+	struct ath_btcoex *btcoex = &sc->btcoex;
 
 	DPRINTF(sc->sc_ah, ATH_DBG_BTCOEX, "Starting btcoex timers");
 
 	/* make sure duty cycle timer is also stopped when resuming */
-	if (btinfo->hw_timer_enabled)
-		ath_gen_timer_stop(sc->sc_ah, btinfo->no_stomp_timer);
+	if (btcoex->hw_timer_enabled)
+		ath_gen_timer_stop(sc->sc_ah, sc->btcoex_info.no_stomp_timer);
 
-	btinfo->bt_priority_cnt = 0;
-	btinfo->bt_priority_time = jiffies;
+	btcoex->bt_priority_cnt = 0;
+	btcoex->bt_priority_time = jiffies;
 	sc->sc_flags &= ~SC_OP_BT_PRIORITY_DETECTED;
 
-	mod_timer(&btinfo->period_timer, jiffies);
+	mod_timer(&btcoex->period_timer, jiffies);
 }
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.h b/drivers/net/wireless/ath/ath9k/btcoex.h
index 297b027fd3c..6cbbc14f9c3 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.h
+++ b/drivers/net/wireless/ath/ath9k/btcoex.h
@@ -70,13 +70,6 @@ struct ath_btcoex_info {
 	u32 bt_coex_mode; 	/* Register setting for AR_BT_COEX_MODE */
 	u32 bt_coex_weights; 	/* Register setting for AR_BT_COEX_WEIGHT */
 	u32 bt_coex_mode2; 	/* Register setting for AR_BT_COEX_MODE2 */
-	u32 btcoex_no_stomp;   /* in usec */
-	u32 btcoex_period;     	/* in usec */
-	u32 bt_priority_cnt;
-	unsigned long bt_priority_time;
-	bool hw_timer_enabled;
-	spinlock_t btcoex_lock;
-	struct timer_list period_timer;      /* Timer for BT period */
 	struct ath_gen_timer *no_stomp_timer; /*Timer for no BT stomping*/
 };
 
@@ -84,16 +77,15 @@ bool ath_btcoex_supported(u16 subsysid);
 int ath9k_hw_btcoex_init(struct ath_hw *ah);
 void ath9k_hw_btcoex_enable(struct ath_hw *ah);
 void ath9k_hw_btcoex_disable(struct ath_hw *ah);
-void ath_btcoex_timer_resume(struct ath_softc *sc,
-			     struct ath_btcoex_info *btinfo);
-void ath_btcoex_timer_pause(struct ath_softc *sc,
-			    struct ath_btcoex_info *btinfo);
+
+void ath_btcoex_timer_resume(struct ath_softc *sc);
+void ath_btcoex_timer_pause(struct ath_softc *sc);
 
 static inline void ath_btcoex_set_weight(struct ath_btcoex_info *btcoex_info,
 					 u32 bt_weight,
 					 u32 wlan_weight)
 {
-	btcoex_info->bt_coex_weights = SM(bt_weight, AR_BTCOEX_BT_WGHT) |
+		btcoex_info->bt_coex_weights = SM(bt_weight, AR_BTCOEX_BT_WGHT) |
 				       SM(wlan_weight, AR_BTCOEX_WL_WGHT);
 }
 
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 68d8dd9602d..612e83678b2 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -2013,7 +2013,7 @@ static int ath9k_start(struct ieee80211_hw *hw)
 
 		ath_pcie_aspm_disable(sc);
 		if (sc->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE)
-			ath_btcoex_timer_resume(sc, &sc->btcoex_info);
+			ath_btcoex_timer_resume(sc);
 	}
 
 mutex_unlock:
@@ -2152,7 +2152,7 @@ static void ath9k_stop(struct ieee80211_hw *hw)
 	if (sc->sc_flags & SC_OP_BTCOEX_ENABLED) {
 		ath9k_hw_btcoex_disable(sc->sc_ah);
 		if (sc->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE)
-			ath_btcoex_timer_pause(sc, &sc->btcoex_info);
+			ath_btcoex_timer_pause(sc);
 	}
 
 	/* make sure h/w will not generate any interrupt
-- 
GitLab


From af03abecd8e3646736904431f3335dad5e28cb8d Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 9 Sep 2009 02:33:11 -0700
Subject: [PATCH 0057/1815] ath9k: move hw specific btcoex info to ath_hw

Since we now access it via the ath_hw declare the ath_hw pointer
at the header of some routines and se it. ath9k.h no longer needs to
access btcoex.h and to adjust for this move ath_btcoex_set_weight()
into btcoex.h and instead give main.c a helper for setting initial
values upon drv_start()

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/ath9k.h  |  2 -
 drivers/net/wireless/ath/ath9k/btcoex.c | 57 +++++++++++++-------
 drivers/net/wireless/ath/ath9k/btcoex.h | 14 ++---
 drivers/net/wireless/ath/ath9k/hw.c     |  3 +-
 drivers/net/wireless/ath/ath9k/hw.h     |  7 +++
 drivers/net/wireless/ath/ath9k/main.c   | 70 ++++++++++++++-----------
 6 files changed, 88 insertions(+), 65 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 831874c621e..e8a630ccfd9 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -26,7 +26,6 @@
 #include "rc.h"
 #include "debug.h"
 #include "../ath.h"
-#include "btcoex.h"
 
 struct ath_node;
 
@@ -622,7 +621,6 @@ struct ath_softc {
 	struct ath_bus_ops *bus_ops;
 	struct ath_beacon_config cur_beacon_conf;
 	struct delayed_work tx_complete_work;
-	struct ath_btcoex_info btcoex_info;
 	struct ath_btcoex btcoex;
 };
 
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c
index e88a0a3f68f..dfbcbd0969e 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.c
+++ b/drivers/net/wireless/ath/ath9k/btcoex.c
@@ -43,14 +43,29 @@ bool ath_btcoex_supported(u16 subsysid)
 	return false;
 }
 
+static void ath_btcoex_set_weight(struct ath_btcoex_info *btcoex_info,
+				  u32 bt_weight,
+				  u32 wlan_weight)
+{
+	btcoex_info->bt_coex_weights = SM(bt_weight, AR_BTCOEX_BT_WGHT) |
+				       SM(wlan_weight, AR_BTCOEX_WL_WGHT);
+}
+
+void ath9k_hw_btcoex_init_weight(struct ath_hw *ah)
+{
+	ath_btcoex_set_weight(&ah->btcoex_info, AR_BT_COEX_WGHT,
+			      AR_STOMP_LOW_WLAN_WGHT);
+}
+
 /*
  * Detects if there is any priority bt traffic
  */
 static void ath_detect_bt_priority(struct ath_softc *sc)
 {
 	struct ath_btcoex *btcoex = &sc->btcoex;
+	struct ath_hw *ah = sc->sc_ah;
 
-	if (ath9k_hw_gpio_get(sc->sc_ah, sc->btcoex_info.btpriority_gpio))
+	if (ath9k_hw_gpio_get(sc->sc_ah, ah->btcoex_info.btpriority_gpio))
 		btcoex->bt_priority_cnt++;
 
 	if (time_after(jiffies, btcoex->bt_priority_time +
@@ -106,8 +121,9 @@ static void ath_btcoex_bt_stomp(struct ath_softc *sc,
 static void ath_btcoex_period_timer(unsigned long data)
 {
 	struct ath_softc *sc = (struct ath_softc *) data;
+	struct ath_hw *ah = sc->sc_ah;
 	struct ath_btcoex *btcoex = &sc->btcoex;
-	struct ath_btcoex_info *btinfo = &sc->btcoex_info;
+	struct ath_btcoex_info *btinfo = &ah->btcoex_info;
 
 	ath_detect_bt_priority(sc);
 
@@ -119,9 +135,9 @@ static void ath_btcoex_period_timer(unsigned long data)
 
 	if (btcoex->btcoex_period != btcoex->btcoex_no_stomp) {
 		if (btcoex->hw_timer_enabled)
-			ath_gen_timer_stop(sc->sc_ah, btinfo->no_stomp_timer);
+			ath_gen_timer_stop(ah, btinfo->no_stomp_timer);
 
-		ath_gen_timer_start(sc->sc_ah,
+		ath_gen_timer_start(ah,
 			btinfo->no_stomp_timer,
 			(ath9k_hw_gettsf32(sc->sc_ah) +
 				btcoex->btcoex_no_stomp),
@@ -141,10 +157,11 @@ static void ath_btcoex_period_timer(unsigned long data)
 static void ath_btcoex_no_stomp_timer(void *arg)
 {
 	struct ath_softc *sc = (struct ath_softc *)arg;
+	struct ath_hw *ah = sc->sc_ah;
 	struct ath_btcoex *btcoex = &sc->btcoex;
-	struct ath_btcoex_info *btinfo = &sc->btcoex_info;
+	struct ath_btcoex_info *btinfo = &ah->btcoex_info;
 
-	DPRINTF(sc->sc_ah, ATH_DBG_BTCOEX, "no stomp timer running \n");
+	DPRINTF(ah, ATH_DBG_BTCOEX, "no stomp timer running \n");
 
 	spin_lock_bh(&btcoex->btcoex_lock);
 
@@ -156,14 +173,14 @@ static void ath_btcoex_no_stomp_timer(void *arg)
 	spin_unlock_bh(&btcoex->btcoex_lock);
 }
 
-static int ath_init_btcoex_info(struct ath_hw *hw,
+static int ath_init_btcoex_info(struct ath_hw *ah,
 				struct ath_btcoex_info *btcoex_info)
 {
-	struct ath_btcoex *btcoex = &hw->ah_sc->btcoex;
+	struct ath_btcoex *btcoex = &ah->ah_sc->btcoex;
 	u32 i;
 	int qnum;
 
-	qnum = ath_tx_get_qnum(hw->ah_sc, ATH9K_TX_QUEUE_DATA, ATH9K_WME_AC_BE);
+	qnum = ath_tx_get_qnum(ah->ah_sc, ATH9K_TX_QUEUE_DATA, ATH9K_WME_AC_BE);
 
 	btcoex_info->bt_coex_mode =
 		(btcoex_info->bt_coex_mode & AR_BT_QCU_THRESH) |
@@ -190,15 +207,15 @@ static int ath_init_btcoex_info(struct ath_hw *hw,
 		btcoex->btcoex_period / 100;
 
 	for (i = 0; i < 32; i++)
-		hw->hw_gen_timers.gen_timer_index[(debruijn32 << i) >> 27] = i;
+		ah->hw_gen_timers.gen_timer_index[(debruijn32 << i) >> 27] = i;
 
 	setup_timer(&btcoex->period_timer, ath_btcoex_period_timer,
-			(unsigned long) hw->ah_sc);
+			(unsigned long) ah->ah_sc);
 
-	btcoex_info->no_stomp_timer = ath_gen_timer_alloc(hw,
+	btcoex_info->no_stomp_timer = ath_gen_timer_alloc(ah,
 			ath_btcoex_no_stomp_timer,
 			ath_btcoex_no_stomp_timer,
-			(void *)hw->ah_sc, AR_FIRST_NDP_TIMER);
+			(void *)ah->ah_sc, AR_FIRST_NDP_TIMER);
 
 	if (btcoex_info->no_stomp_timer == NULL)
 		return -ENOMEM;
@@ -210,7 +227,7 @@ static int ath_init_btcoex_info(struct ath_hw *hw,
 
 int ath9k_hw_btcoex_init(struct ath_hw *ah)
 {
-	struct ath_btcoex_info *btcoex_info = &ah->ah_sc->btcoex_info;
+	struct ath_btcoex_info *btcoex_info = &ah->btcoex_info;
 	int ret = 0;
 
 	if (btcoex_info->btcoex_scheme == ATH_BTCOEX_CFG_2WIRE) {
@@ -258,7 +275,7 @@ int ath9k_hw_btcoex_init(struct ath_hw *ah)
 
 void ath9k_hw_btcoex_enable(struct ath_hw *ah)
 {
-	struct ath_btcoex_info *btcoex_info = &ah->ah_sc->btcoex_info;
+	struct ath_btcoex_info *btcoex_info = &ah->btcoex_info;
 
 	if (btcoex_info->btcoex_scheme == ATH_BTCOEX_CFG_2WIRE) {
 		/* Configure the desired GPIO port for TX_FRAME output */
@@ -291,7 +308,7 @@ void ath9k_hw_btcoex_enable(struct ath_hw *ah)
 
 void ath9k_hw_btcoex_disable(struct ath_hw *ah)
 {
-	struct ath_btcoex_info *btcoex_info = &ah->ah_sc->btcoex_info;
+	struct ath_btcoex_info *btcoex_info = &ah->btcoex_info;
 
 	ath9k_hw_set_gpio(ah, btcoex_info->wlanactive_gpio, 0);
 
@@ -313,11 +330,12 @@ void ath9k_hw_btcoex_disable(struct ath_hw *ah)
 void ath_btcoex_timer_pause(struct ath_softc *sc)
 {
 	struct ath_btcoex *btcoex = &sc->btcoex;
+	struct ath_hw *ah = sc->sc_ah;
 
 	del_timer_sync(&btcoex->period_timer);
 
 	if (btcoex->hw_timer_enabled)
-		ath_gen_timer_stop(sc->sc_ah, sc->btcoex_info.no_stomp_timer);
+		ath_gen_timer_stop(ah, ah->btcoex_info.no_stomp_timer);
 
 	btcoex->hw_timer_enabled = false;
 }
@@ -328,12 +346,13 @@ void ath_btcoex_timer_pause(struct ath_softc *sc)
 void ath_btcoex_timer_resume(struct ath_softc *sc)
 {
 	struct ath_btcoex *btcoex = &sc->btcoex;
+	struct ath_hw *ah = sc->sc_ah;
 
-	DPRINTF(sc->sc_ah, ATH_DBG_BTCOEX, "Starting btcoex timers");
+	DPRINTF(ah, ATH_DBG_BTCOEX, "Starting btcoex timers");
 
 	/* make sure duty cycle timer is also stopped when resuming */
 	if (btcoex->hw_timer_enabled)
-		ath_gen_timer_stop(sc->sc_ah, sc->btcoex_info.no_stomp_timer);
+		ath_gen_timer_stop(sc->sc_ah, ah->btcoex_info.no_stomp_timer);
 
 	btcoex->bt_priority_cnt = 0;
 	btcoex->bt_priority_time = jiffies;
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.h b/drivers/net/wireless/ath/ath9k/btcoex.h
index 6cbbc14f9c3..12e86b70d95 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.h
+++ b/drivers/net/wireless/ath/ath9k/btcoex.h
@@ -17,6 +17,8 @@
 #ifndef BTCOEX_H
 #define BTCOEX_H
 
+#include "hw.h"
+
 #define ATH_WLANACTIVE_GPIO	5
 #define ATH_BTACTIVE_GPIO	6
 #define ATH_BTPRIORITY_GPIO	7
@@ -74,19 +76,9 @@ struct ath_btcoex_info {
 };
 
 bool ath_btcoex_supported(u16 subsysid);
+void ath9k_hw_btcoex_init_weight(struct ath_hw *ah);
 int ath9k_hw_btcoex_init(struct ath_hw *ah);
 void ath9k_hw_btcoex_enable(struct ath_hw *ah);
 void ath9k_hw_btcoex_disable(struct ath_hw *ah);
 
-void ath_btcoex_timer_resume(struct ath_softc *sc);
-void ath_btcoex_timer_pause(struct ath_softc *sc);
-
-static inline void ath_btcoex_set_weight(struct ath_btcoex_info *btcoex_info,
-					 u32 bt_weight,
-					 u32 wlan_weight)
-{
-		btcoex_info->bt_coex_weights = SM(bt_weight, AR_BTCOEX_BT_WGHT) |
-				       SM(wlan_weight, AR_BTCOEX_WL_WGHT);
-}
-
 #endif
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 0342091dfe7..6e33aadc161 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -18,6 +18,7 @@
 #include <asm/unaligned.h>
 #include <linux/pci.h>
 
+#include "hw.h"
 #include "ath9k.h"
 #include "initvals.h"
 
@@ -3558,7 +3559,7 @@ void ath9k_hw_fill_cap_info(struct ath_hw *ah)
 {
 	struct ath9k_hw_capabilities *pCap = &ah->caps;
 	struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
-	struct ath_btcoex_info *btcoex_info = &ah->ah_sc->btcoex_info;
+	struct ath_btcoex_info *btcoex_info = &ah->btcoex_info;
 
 	u16 capField = 0, eeval;
 
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index b8923457182..f2b3a601d6a 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -27,6 +27,7 @@
 #include "calib.h"
 #include "reg.h"
 #include "phy.h"
+#include "btcoex.h"
 
 #include "../regd.h"
 
@@ -553,6 +554,9 @@ struct ath_hw {
 	int firpwr[5];
 	enum ath9k_ani_cmd ani_function;
 
+	/* Bluetooth coexistance */
+	struct ath_btcoex_info btcoex_info;
+
 	u32 intr_txqs;
 	enum ath9k_ht_extprotspacing extprotspacing;
 	u8 txchainmask;
@@ -675,4 +679,7 @@ u32 ath9k_hw_gettsf32(struct ath_hw *ah);
 #define ATH_PCIE_CAP_LINK_L1	2
 
 void ath_pcie_aspm_disable(struct ath_softc *sc);
+
+void ath_btcoex_timer_resume(struct ath_softc *sc);
+void ath_btcoex_timer_pause(struct ath_softc *sc);
 #endif
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 612e83678b2..63e1f183b47 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -16,6 +16,7 @@
 
 #include <linux/nl80211.h>
 #include "ath9k.h"
+#include "btcoex.h"
 
 static char *dev_info = "ath9k";
 
@@ -439,8 +440,10 @@ static void ath_start_ani(struct ath_softc *sc)
  */
 void ath_update_chainmask(struct ath_softc *sc, int is_ht)
 {
+	struct ath_hw *ah = sc->sc_ah;
+
 	if ((sc->sc_flags & SC_OP_SCANNING) || is_ht ||
-	    (sc->btcoex_info.btcoex_scheme != ATH_BTCOEX_CFG_NONE)) {
+	    (ah->btcoex_info.btcoex_scheme != ATH_BTCOEX_CFG_NONE)) {
 		sc->tx_chainmask = sc->sc_ah->caps.tx_chainmask;
 		sc->rx_chainmask = sc->sc_ah->caps.rx_chainmask;
 	} else {
@@ -448,7 +451,7 @@ void ath_update_chainmask(struct ath_softc *sc, int is_ht)
 		sc->rx_chainmask = 1;
 	}
 
-	DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "tx chmask: %d, rx chmask: %d\n",
+	DPRINTF(ah, ATH_DBG_CONFIG, "tx chmask: %d, rx chmask: %d\n",
 		sc->tx_chainmask, sc->rx_chainmask);
 }
 
@@ -478,6 +481,8 @@ static void ath_node_detach(struct ath_softc *sc, struct ieee80211_sta *sta)
 static void ath9k_tasklet(unsigned long data)
 {
 	struct ath_softc *sc = (struct ath_softc *)data;
+	struct ath_hw *ah = sc->sc_ah;
+
 	u32 status = sc->intrstatus;
 
 	ath9k_ps_wakeup(sc);
@@ -502,16 +507,16 @@ static void ath9k_tasklet(unsigned long data)
 		 * TSF sync does not look correct; remain awake to sync with
 		 * the next Beacon.
 		 */
-		DPRINTF(sc->sc_ah, ATH_DBG_PS, "TSFOOR - Sync with next Beacon\n");
+		DPRINTF(ah, ATH_DBG_PS, "TSFOOR - Sync with next Beacon\n");
 		sc->sc_flags |= SC_OP_WAIT_FOR_BEACON | SC_OP_BEACON_SYNC;
 	}
 
-	if (sc->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE)
+	if (ah->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE)
 		if (status & ATH9K_INT_GENTIMER)
 			ath_gen_timer_isr(sc->sc_ah);
 
 	/* re-enable hardware interrupt */
-	ath9k_hw_set_interrupts(sc->sc_ah, sc->imask);
+	ath9k_hw_set_interrupts(ah, sc->imask);
 	ath9k_ps_restore(sc);
 }
 
@@ -1281,12 +1286,12 @@ void ath_detach(struct ath_softc *sc)
 		if (ATH_TXQ_SETUP(sc, i))
 			ath_tx_cleanupq(sc, &sc->tx.txq[i]);
 
-	if ((sc->btcoex_info.no_stomp_timer) &&
-	    sc->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE)
-		ath_gen_timer_free(ah, sc->btcoex_info.no_stomp_timer);
+	if ((ah->btcoex_info.no_stomp_timer) &&
+	    ah->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE)
+		ath_gen_timer_free(ah, ah->btcoex_info.no_stomp_timer);
 
 	ath9k_hw_detach(ah);
-	ath9k_exit_debug(sc->sc_ah);
+	ath9k_exit_debug(ah);
 	sc->sc_ah = NULL;
 }
 
@@ -1516,7 +1521,7 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
 			ARRAY_SIZE(ath9k_5ghz_chantable);
 	}
 
-	if (sc->btcoex_info.btcoex_scheme != ATH_BTCOEX_CFG_NONE) {
+	if (ah->btcoex_info.btcoex_scheme != ATH_BTCOEX_CFG_NONE) {
 		r = ath9k_hw_btcoex_init(ah);
 		if (r)
 			goto bad2;
@@ -1905,11 +1910,12 @@ static int ath9k_start(struct ieee80211_hw *hw)
 {
 	struct ath_wiphy *aphy = hw->priv;
 	struct ath_softc *sc = aphy->sc;
+	struct ath_hw *ah = sc->sc_ah;
 	struct ieee80211_channel *curchan = hw->conf.channel;
 	struct ath9k_channel *init_channel;
 	int r;
 
-	DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "Starting driver with "
+	DPRINTF(ah, ATH_DBG_CONFIG, "Starting driver with "
 		"initial channel: %d MHz\n", curchan->center_freq);
 
 	mutex_lock(&sc->mutex);
@@ -1942,7 +1948,7 @@ static int ath9k_start(struct ieee80211_hw *hw)
 	init_channel = ath_get_curchannel(sc, hw);
 
 	/* Reset SERDES registers */
-	ath9k_hw_configpcipowersave(sc->sc_ah, 0, 0);
+	ath9k_hw_configpcipowersave(ah, 0, 0);
 
 	/*
 	 * The basic interface to setting the hardware in a good
@@ -1952,9 +1958,9 @@ static int ath9k_start(struct ieee80211_hw *hw)
 	 * and then setup of the interrupt mask.
 	 */
 	spin_lock_bh(&sc->sc_resetlock);
-	r = ath9k_hw_reset(sc->sc_ah, init_channel, false);
+	r = ath9k_hw_reset(ah, init_channel, false);
 	if (r) {
-		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
+		DPRINTF(ah, ATH_DBG_FATAL,
 			"Unable to reset hardware; reset status %d "
 			"(freq %u MHz)\n", r,
 			curchan->center_freq);
@@ -1977,7 +1983,7 @@ static int ath9k_start(struct ieee80211_hw *hw)
 	 * here except setup the interrupt mask.
 	 */
 	if (ath_startrecv(sc) != 0) {
-		DPRINTF(sc->sc_ah, ATH_DBG_FATAL, "Unable to start recv logic\n");
+		DPRINTF(ah, ATH_DBG_FATAL, "Unable to start recv logic\n");
 		r = -EIO;
 		goto mutex_unlock;
 	}
@@ -1987,10 +1993,10 @@ static int ath9k_start(struct ieee80211_hw *hw)
 		| ATH9K_INT_RXEOL | ATH9K_INT_RXORN
 		| ATH9K_INT_FATAL | ATH9K_INT_GLOBAL;
 
-	if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_GTT)
+	if (ah->caps.hw_caps & ATH9K_HW_CAP_GTT)
 		sc->imask |= ATH9K_INT_GTT;
 
-	if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT)
+	if (ah->caps.hw_caps & ATH9K_HW_CAP_HT)
 		sc->imask |= ATH9K_INT_CST;
 
 	ath_cache_conf_rate(sc, &hw->conf);
@@ -1999,20 +2005,19 @@ static int ath9k_start(struct ieee80211_hw *hw)
 
 	/* Disable BMISS interrupt when we're not associated */
 	sc->imask &= ~(ATH9K_INT_SWBA | ATH9K_INT_BMISS);
-	ath9k_hw_set_interrupts(sc->sc_ah, sc->imask);
+	ath9k_hw_set_interrupts(ah, sc->imask);
 
 	ieee80211_wake_queues(hw);
 
 	ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0);
 
-	if ((sc->btcoex_info.btcoex_scheme != ATH_BTCOEX_CFG_NONE) &&
+	if ((ah->btcoex_info.btcoex_scheme != ATH_BTCOEX_CFG_NONE) &&
 	    !(sc->sc_flags & SC_OP_BTCOEX_ENABLED)) {
-		ath_btcoex_set_weight(&sc->btcoex_info, AR_BT_COEX_WGHT,
-				      AR_STOMP_LOW_WLAN_WGHT);
-		ath9k_hw_btcoex_enable(sc->sc_ah);
+		ath9k_hw_btcoex_init_weight(ah);
+		ath9k_hw_btcoex_enable(ah);
 
 		ath_pcie_aspm_disable(sc);
-		if (sc->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE)
+		if (ah->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE)
 			ath_btcoex_timer_resume(sc);
 	}
 
@@ -2125,6 +2130,7 @@ static void ath9k_stop(struct ieee80211_hw *hw)
 {
 	struct ath_wiphy *aphy = hw->priv;
 	struct ath_softc *sc = aphy->sc;
+	struct ath_hw *ah = sc->sc_ah;
 
 	mutex_lock(&sc->mutex);
 
@@ -2139,7 +2145,7 @@ static void ath9k_stop(struct ieee80211_hw *hw)
 	}
 
 	if (sc->sc_flags & SC_OP_INVALID) {
-		DPRINTF(sc->sc_ah, ATH_DBG_ANY, "Device not present\n");
+		DPRINTF(ah, ATH_DBG_ANY, "Device not present\n");
 		mutex_unlock(&sc->mutex);
 		return;
 	}
@@ -2150,32 +2156,32 @@ static void ath9k_stop(struct ieee80211_hw *hw)
 	}
 
 	if (sc->sc_flags & SC_OP_BTCOEX_ENABLED) {
-		ath9k_hw_btcoex_disable(sc->sc_ah);
-		if (sc->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE)
+		ath9k_hw_btcoex_disable(ah);
+		if (ah->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE)
 			ath_btcoex_timer_pause(sc);
 	}
 
 	/* make sure h/w will not generate any interrupt
 	 * before setting the invalid flag. */
-	ath9k_hw_set_interrupts(sc->sc_ah, 0);
+	ath9k_hw_set_interrupts(ah, 0);
 
 	if (!(sc->sc_flags & SC_OP_INVALID)) {
 		ath_drain_all_txq(sc, false);
 		ath_stoprecv(sc);
-		ath9k_hw_phy_disable(sc->sc_ah);
+		ath9k_hw_phy_disable(ah);
 	} else
 		sc->rx.rxlink = NULL;
 
 	/* disable HAL and put h/w to sleep */
-	ath9k_hw_disable(sc->sc_ah);
-	ath9k_hw_configpcipowersave(sc->sc_ah, 1, 1);
-	ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP);
+	ath9k_hw_disable(ah);
+	ath9k_hw_configpcipowersave(ah, 1, 1);
+	ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP);
 
 	sc->sc_flags |= SC_OP_INVALID;
 
 	mutex_unlock(&sc->mutex);
 
-	DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "Driver halt\n");
+	DPRINTF(ah, ATH_DBG_CONFIG, "Driver halt\n");
 }
 
 static int ath9k_add_interface(struct ieee80211_hw *hw,
-- 
GitLab


From 7a2f0f58c865be9217356528ab6cf73feb35cb07 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 9 Sep 2009 02:54:40 -0700
Subject: [PATCH 0058/1815] ath9k: split bluetooth hardware coex init into two
 helpers

Use a helper for 2-wire and another for 3-wire.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/btcoex.c | 75 +++++++++++++++----------
 1 file changed, 44 insertions(+), 31 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c
index dfbcbd0969e..be699241ca7 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.c
+++ b/drivers/net/wireless/ath/ath9k/btcoex.c
@@ -225,48 +225,61 @@ static int ath_init_btcoex_info(struct ath_hw *ah,
 	return 0;
 }
 
-int ath9k_hw_btcoex_init(struct ath_hw *ah)
+static void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah)
 {
 	struct ath_btcoex_info *btcoex_info = &ah->btcoex_info;
-	int ret = 0;
 
-	if (btcoex_info->btcoex_scheme == ATH_BTCOEX_CFG_2WIRE) {
-		/* connect bt_active to baseband */
-		REG_CLR_BIT(ah, AR_GPIO_INPUT_EN_VAL,
-				(AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_DEF |
-				 AR_GPIO_INPUT_EN_VAL_BT_FREQUENCY_DEF));
+	/* connect bt_active to baseband */
+	REG_CLR_BIT(ah, AR_GPIO_INPUT_EN_VAL,
+		    (AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_DEF |
+		     AR_GPIO_INPUT_EN_VAL_BT_FREQUENCY_DEF));
 
-		REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL,
-				AR_GPIO_INPUT_EN_VAL_BT_ACTIVE_BB);
+	REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL,
+		    AR_GPIO_INPUT_EN_VAL_BT_ACTIVE_BB);
 
-		/* Set input mux for bt_active to gpio pin */
-		REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1,
-				AR_GPIO_INPUT_MUX1_BT_ACTIVE,
-				btcoex_info->btactive_gpio);
+	/* Set input mux for bt_active to gpio pin */
+	REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1,
+		      AR_GPIO_INPUT_MUX1_BT_ACTIVE,
+		      btcoex_info->btactive_gpio);
 
-		/* Configure the desired gpio port for input */
-		ath9k_hw_cfg_gpio_input(ah, btcoex_info->btactive_gpio);
-	} else {
-		/* btcoex 3-wire */
-		REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL,
-				(AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_BB |
-				 AR_GPIO_INPUT_EN_VAL_BT_ACTIVE_BB));
+	/* Configure the desired gpio port for input */
+	ath9k_hw_cfg_gpio_input(ah, btcoex_info->btactive_gpio);
+}
+
+static void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah)
+{
+	struct ath_btcoex_info *btcoex_info = &ah->btcoex_info;
 
-		/* Set input mux for bt_prority_async and
-		 *                  bt_active_async to GPIO pins */
-		REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1,
-				AR_GPIO_INPUT_MUX1_BT_ACTIVE,
-				btcoex_info->btactive_gpio);
+	/* btcoex 3-wire */
+	REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL,
+			(AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_BB |
+			 AR_GPIO_INPUT_EN_VAL_BT_ACTIVE_BB));
 
-		REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1,
-				AR_GPIO_INPUT_MUX1_BT_PRIORITY,
-				btcoex_info->btpriority_gpio);
+	/* Set input mux for bt_prority_async and
+	 *                  bt_active_async to GPIO pins */
+	REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1,
+			AR_GPIO_INPUT_MUX1_BT_ACTIVE,
+			btcoex_info->btactive_gpio);
 
-		/* Configure the desired GPIO ports for input */
+	REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1,
+			AR_GPIO_INPUT_MUX1_BT_PRIORITY,
+			btcoex_info->btpriority_gpio);
 
-		ath9k_hw_cfg_gpio_input(ah, btcoex_info->btactive_gpio);
-		ath9k_hw_cfg_gpio_input(ah, btcoex_info->btpriority_gpio);
+	/* Configure the desired GPIO ports for input */
+
+	ath9k_hw_cfg_gpio_input(ah, btcoex_info->btactive_gpio);
+	ath9k_hw_cfg_gpio_input(ah, btcoex_info->btpriority_gpio);
+}
+
+int ath9k_hw_btcoex_init(struct ath_hw *ah)
+{
+	struct ath_btcoex_info *btcoex_info = &ah->btcoex_info;
+	int ret = 0;
 
+	if (btcoex_info->btcoex_scheme == ATH_BTCOEX_CFG_2WIRE)
+		ath9k_hw_btcoex_init_2wire(ah);
+	else {
+		ath9k_hw_btcoex_init_3wire(ah);
 		ret = ath_init_btcoex_info(ah, btcoex_info);
 	}
 
-- 
GitLab


From 75d7839f4c4ca472bcf0b71f6f682957e19f777a Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 9 Sep 2009 04:00:10 -0700
Subject: [PATCH 0059/1815] ath9k: move driver core helpers to main.c

Keep on btcoex.c only hardware access helpers, move the
driver core specific code to main.c. To accomplish
this we had to split ath_init_btcoex_info() into two parts,
the driver core part -- ath_init_btcoex_timer() and the hw
specific part -- ath9k_hw_init_btcoex_hw_info(). This
highlights how ath_gen_timer is part of the driver core, not
hw related, so stuff that into ath_btcoex struct.

The ath9k_hw_btcoex_init() code is now put inline on
ath_init_softc() through a switch to it easier to follow,
since we did that we can now call ath_tx_get_qnum() from
the main.c instead of btcoex.c

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/ath9k.h  |   1 +
 drivers/net/wireless/ath/ath9k/btcoex.c | 214 +----------------------
 drivers/net/wireless/ath/ath9k/btcoex.h |   7 +-
 drivers/net/wireless/ath/ath9k/hw.h     |   3 -
 drivers/net/wireless/ath/ath9k/main.c   | 215 +++++++++++++++++++++++-
 5 files changed, 218 insertions(+), 222 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index e8a630ccfd9..f001cc26266 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -458,6 +458,7 @@ struct ath_btcoex {
 	unsigned long bt_priority_time;
 	u32 btcoex_no_stomp; /* in usec */
 	u32 btcoex_period; /* in usec */
+	struct ath_gen_timer *no_stomp_timer; /* Timer for no BT stomping */
 };
 
 /********************/
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c
index be699241ca7..6209a56f7a9 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.c
+++ b/drivers/net/wireless/ath/ath9k/btcoex.c
@@ -43,144 +43,10 @@ bool ath_btcoex_supported(u16 subsysid)
 	return false;
 }
 
-static void ath_btcoex_set_weight(struct ath_btcoex_info *btcoex_info,
-				  u32 bt_weight,
-				  u32 wlan_weight)
+void ath9k_hw_init_btcoex_hw_info(struct ath_hw *ah, int qnum)
 {
-	btcoex_info->bt_coex_weights = SM(bt_weight, AR_BTCOEX_BT_WGHT) |
-				       SM(wlan_weight, AR_BTCOEX_WL_WGHT);
-}
-
-void ath9k_hw_btcoex_init_weight(struct ath_hw *ah)
-{
-	ath_btcoex_set_weight(&ah->btcoex_info, AR_BT_COEX_WGHT,
-			      AR_STOMP_LOW_WLAN_WGHT);
-}
-
-/*
- * Detects if there is any priority bt traffic
- */
-static void ath_detect_bt_priority(struct ath_softc *sc)
-{
-	struct ath_btcoex *btcoex = &sc->btcoex;
-	struct ath_hw *ah = sc->sc_ah;
-
-	if (ath9k_hw_gpio_get(sc->sc_ah, ah->btcoex_info.btpriority_gpio))
-		btcoex->bt_priority_cnt++;
-
-	if (time_after(jiffies, btcoex->bt_priority_time +
-			msecs_to_jiffies(ATH_BT_PRIORITY_TIME_THRESHOLD))) {
-		if (btcoex->bt_priority_cnt >= ATH_BT_CNT_THRESHOLD) {
-			DPRINTF(sc->sc_ah, ATH_DBG_BTCOEX,
-				"BT priority traffic detected");
-			sc->sc_flags |= SC_OP_BT_PRIORITY_DETECTED;
-		} else {
-			sc->sc_flags &= ~SC_OP_BT_PRIORITY_DETECTED;
-		}
-
-		btcoex->bt_priority_cnt = 0;
-		btcoex->bt_priority_time = jiffies;
-	}
-}
-
-/*
- * Configures appropriate weight based on stomp type.
- */
-static void ath_btcoex_bt_stomp(struct ath_softc *sc,
-				struct ath_btcoex_info *btinfo,
-				int stomp_type)
-{
-
-	switch (stomp_type) {
-	case ATH_BTCOEX_STOMP_ALL:
-		ath_btcoex_set_weight(btinfo, AR_BT_COEX_WGHT,
-				      AR_STOMP_ALL_WLAN_WGHT);
-		break;
-	case ATH_BTCOEX_STOMP_LOW:
-		ath_btcoex_set_weight(btinfo, AR_BT_COEX_WGHT,
-				      AR_STOMP_LOW_WLAN_WGHT);
-		break;
-	case ATH_BTCOEX_STOMP_NONE:
-		ath_btcoex_set_weight(btinfo, AR_BT_COEX_WGHT,
-				      AR_STOMP_NONE_WLAN_WGHT);
-		break;
-	default:
-		DPRINTF(sc->sc_ah, ATH_DBG_BTCOEX, "Invalid Stomptype\n");
-		break;
-	}
-
-	ath9k_hw_btcoex_enable(sc->sc_ah);
-}
-
-/*
- * This is the master bt coex timer which runs for every
- * 45ms, bt traffic will be given priority during 55% of this
- * period while wlan gets remaining 45%
- */
-
-static void ath_btcoex_period_timer(unsigned long data)
-{
-	struct ath_softc *sc = (struct ath_softc *) data;
-	struct ath_hw *ah = sc->sc_ah;
-	struct ath_btcoex *btcoex = &sc->btcoex;
-	struct ath_btcoex_info *btinfo = &ah->btcoex_info;
-
-	ath_detect_bt_priority(sc);
-
-	spin_lock_bh(&btcoex->btcoex_lock);
-
-	ath_btcoex_bt_stomp(sc, btinfo, btinfo->bt_stomp_type);
-
-	spin_unlock_bh(&btcoex->btcoex_lock);
-
-	if (btcoex->btcoex_period != btcoex->btcoex_no_stomp) {
-		if (btcoex->hw_timer_enabled)
-			ath_gen_timer_stop(ah, btinfo->no_stomp_timer);
-
-		ath_gen_timer_start(ah,
-			btinfo->no_stomp_timer,
-			(ath9k_hw_gettsf32(sc->sc_ah) +
-				btcoex->btcoex_no_stomp),
-				btcoex->btcoex_no_stomp * 10);
-		btcoex->hw_timer_enabled = true;
-	}
-
-	mod_timer(&btcoex->period_timer, jiffies +
-				  msecs_to_jiffies(ATH_BTCOEX_DEF_BT_PERIOD));
-}
-
-/*
- * Generic tsf based hw timer which configures weight
- * registers to time slice between wlan and bt traffic
- */
-
-static void ath_btcoex_no_stomp_timer(void *arg)
-{
-	struct ath_softc *sc = (struct ath_softc *)arg;
-	struct ath_hw *ah = sc->sc_ah;
-	struct ath_btcoex *btcoex = &sc->btcoex;
-	struct ath_btcoex_info *btinfo = &ah->btcoex_info;
-
-	DPRINTF(ah, ATH_DBG_BTCOEX, "no stomp timer running \n");
-
-	spin_lock_bh(&btcoex->btcoex_lock);
-
-	if (btinfo->bt_stomp_type == ATH_BTCOEX_STOMP_LOW)
-		ath_btcoex_bt_stomp(sc, btinfo, ATH_BTCOEX_STOMP_NONE);
-	 else if (btinfo->bt_stomp_type == ATH_BTCOEX_STOMP_ALL)
-		ath_btcoex_bt_stomp(sc, btinfo, ATH_BTCOEX_STOMP_LOW);
-
-	spin_unlock_bh(&btcoex->btcoex_lock);
-}
-
-static int ath_init_btcoex_info(struct ath_hw *ah,
-				struct ath_btcoex_info *btcoex_info)
-{
-	struct ath_btcoex *btcoex = &ah->ah_sc->btcoex;
+	struct ath_btcoex_info *btcoex_info = &ah->btcoex_info;
 	u32 i;
-	int qnum;
-
-	qnum = ath_tx_get_qnum(ah->ah_sc, ATH9K_TX_QUEUE_DATA, ATH9K_WME_AC_BE);
 
 	btcoex_info->bt_coex_mode =
 		(btcoex_info->bt_coex_mode & AR_BT_QCU_THRESH) |
@@ -201,31 +67,11 @@ static int ath_init_btcoex_info(struct ath_hw *ah,
 
 	btcoex_info->bt_stomp_type = ATH_BTCOEX_STOMP_LOW;
 
-	btcoex->btcoex_period = ATH_BTCOEX_DEF_BT_PERIOD * 1000;
-
-	btcoex->btcoex_no_stomp = (100 - ATH_BTCOEX_DEF_DUTY_CYCLE) *
-		btcoex->btcoex_period / 100;
-
 	for (i = 0; i < 32; i++)
 		ah->hw_gen_timers.gen_timer_index[(debruijn32 << i) >> 27] = i;
-
-	setup_timer(&btcoex->period_timer, ath_btcoex_period_timer,
-			(unsigned long) ah->ah_sc);
-
-	btcoex_info->no_stomp_timer = ath_gen_timer_alloc(ah,
-			ath_btcoex_no_stomp_timer,
-			ath_btcoex_no_stomp_timer,
-			(void *)ah->ah_sc, AR_FIRST_NDP_TIMER);
-
-	if (btcoex_info->no_stomp_timer == NULL)
-		return -ENOMEM;
-
-	spin_lock_init(&btcoex->btcoex_lock);
-
-	return 0;
 }
 
-static void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah)
+void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah)
 {
 	struct ath_btcoex_info *btcoex_info = &ah->btcoex_info;
 
@@ -246,7 +92,7 @@ static void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah)
 	ath9k_hw_cfg_gpio_input(ah, btcoex_info->btactive_gpio);
 }
 
-static void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah)
+void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah)
 {
 	struct ath_btcoex_info *btcoex_info = &ah->btcoex_info;
 
@@ -271,21 +117,6 @@ static void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah)
 	ath9k_hw_cfg_gpio_input(ah, btcoex_info->btpriority_gpio);
 }
 
-int ath9k_hw_btcoex_init(struct ath_hw *ah)
-{
-	struct ath_btcoex_info *btcoex_info = &ah->btcoex_info;
-	int ret = 0;
-
-	if (btcoex_info->btcoex_scheme == ATH_BTCOEX_CFG_2WIRE)
-		ath9k_hw_btcoex_init_2wire(ah);
-	else {
-		ath9k_hw_btcoex_init_3wire(ah);
-		ret = ath_init_btcoex_info(ah, btcoex_info);
-	}
-
-	return ret;
-}
-
 void ath9k_hw_btcoex_enable(struct ath_hw *ah)
 {
 	struct ath_btcoex_info *btcoex_info = &ah->btcoex_info;
@@ -336,40 +167,3 @@ void ath9k_hw_btcoex_disable(struct ath_hw *ah)
 
 	ah->ah_sc->sc_flags &= ~SC_OP_BTCOEX_ENABLED;
 }
-
-/*
- * Pause btcoex timer and bt duty cycle timer
- */
-void ath_btcoex_timer_pause(struct ath_softc *sc)
-{
-	struct ath_btcoex *btcoex = &sc->btcoex;
-	struct ath_hw *ah = sc->sc_ah;
-
-	del_timer_sync(&btcoex->period_timer);
-
-	if (btcoex->hw_timer_enabled)
-		ath_gen_timer_stop(ah, ah->btcoex_info.no_stomp_timer);
-
-	btcoex->hw_timer_enabled = false;
-}
-
-/*
- * (Re)start btcoex timers
- */
-void ath_btcoex_timer_resume(struct ath_softc *sc)
-{
-	struct ath_btcoex *btcoex = &sc->btcoex;
-	struct ath_hw *ah = sc->sc_ah;
-
-	DPRINTF(ah, ATH_DBG_BTCOEX, "Starting btcoex timers");
-
-	/* make sure duty cycle timer is also stopped when resuming */
-	if (btcoex->hw_timer_enabled)
-		ath_gen_timer_stop(sc->sc_ah, ah->btcoex_info.no_stomp_timer);
-
-	btcoex->bt_priority_cnt = 0;
-	btcoex->bt_priority_time = jiffies;
-	sc->sc_flags &= ~SC_OP_BT_PRIORITY_DETECTED;
-
-	mod_timer(&btcoex->period_timer, jiffies);
-}
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.h b/drivers/net/wireless/ath/ath9k/btcoex.h
index 12e86b70d95..ed8d01d2f76 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.h
+++ b/drivers/net/wireless/ath/ath9k/btcoex.h
@@ -72,13 +72,14 @@ struct ath_btcoex_info {
 	u32 bt_coex_mode; 	/* Register setting for AR_BT_COEX_MODE */
 	u32 bt_coex_weights; 	/* Register setting for AR_BT_COEX_WEIGHT */
 	u32 bt_coex_mode2; 	/* Register setting for AR_BT_COEX_MODE2 */
-	struct ath_gen_timer *no_stomp_timer; /*Timer for no BT stomping*/
 };
 
 bool ath_btcoex_supported(u16 subsysid);
-void ath9k_hw_btcoex_init_weight(struct ath_hw *ah);
-int ath9k_hw_btcoex_init(struct ath_hw *ah);
+void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah);
+void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah);
+void ath9k_hw_init_btcoex_hw_info(struct ath_hw *ah, int qnum);
 void ath9k_hw_btcoex_enable(struct ath_hw *ah);
 void ath9k_hw_btcoex_disable(struct ath_hw *ah);
 
+
 #endif
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index f2b3a601d6a..b244225ca05 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -679,7 +679,4 @@ u32 ath9k_hw_gettsf32(struct ath_hw *ah);
 #define ATH_PCIE_CAP_LINK_L1	2
 
 void ath_pcie_aspm_disable(struct ath_softc *sc);
-
-void ath_btcoex_timer_resume(struct ath_softc *sc);
-void ath_btcoex_timer_pause(struct ath_softc *sc);
 #endif
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 63e1f183b47..9ac1ee0638f 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1286,9 +1286,9 @@ void ath_detach(struct ath_softc *sc)
 		if (ATH_TXQ_SETUP(sc, i))
 			ath_tx_cleanupq(sc, &sc->tx.txq[i]);
 
-	if ((ah->btcoex_info.no_stomp_timer) &&
+	if ((sc->btcoex.no_stomp_timer) &&
 	    ah->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE)
-		ath_gen_timer_free(ah, ah->btcoex_info.no_stomp_timer);
+		ath_gen_timer_free(ah, sc->btcoex.no_stomp_timer);
 
 	ath9k_hw_detach(ah);
 	ath9k_exit_debug(ah);
@@ -1306,6 +1306,158 @@ static int ath9k_reg_notifier(struct wiphy *wiphy,
 	return ath_reg_notifier_apply(wiphy, request, reg);
 }
 
+/*
+ * Detects if there is any priority bt traffic
+ */
+static void ath_detect_bt_priority(struct ath_softc *sc)
+{
+	struct ath_btcoex *btcoex = &sc->btcoex;
+	struct ath_hw *ah = sc->sc_ah;
+
+	if (ath9k_hw_gpio_get(sc->sc_ah, ah->btcoex_info.btpriority_gpio))
+		btcoex->bt_priority_cnt++;
+
+	if (time_after(jiffies, btcoex->bt_priority_time +
+			msecs_to_jiffies(ATH_BT_PRIORITY_TIME_THRESHOLD))) {
+		if (btcoex->bt_priority_cnt >= ATH_BT_CNT_THRESHOLD) {
+			DPRINTF(sc->sc_ah, ATH_DBG_BTCOEX,
+				"BT priority traffic detected");
+			sc->sc_flags |= SC_OP_BT_PRIORITY_DETECTED;
+		} else {
+			sc->sc_flags &= ~SC_OP_BT_PRIORITY_DETECTED;
+		}
+
+		btcoex->bt_priority_cnt = 0;
+		btcoex->bt_priority_time = jiffies;
+	}
+}
+
+static void ath_btcoex_set_weight(struct ath_btcoex_info *btcoex_info,
+				  u32 bt_weight,
+				  u32 wlan_weight)
+{
+	btcoex_info->bt_coex_weights = SM(bt_weight, AR_BTCOEX_BT_WGHT) |
+				       SM(wlan_weight, AR_BTCOEX_WL_WGHT);
+}
+
+static void ath9k_hw_btcoex_init_weight(struct ath_hw *ah)
+{
+	ath_btcoex_set_weight(&ah->btcoex_info, AR_BT_COEX_WGHT,
+			      AR_STOMP_LOW_WLAN_WGHT);
+}
+
+/*
+ * Configures appropriate weight based on stomp type.
+ */
+static void ath_btcoex_bt_stomp(struct ath_softc *sc,
+				struct ath_btcoex_info *btinfo,
+				int stomp_type)
+{
+
+	switch (stomp_type) {
+	case ATH_BTCOEX_STOMP_ALL:
+		ath_btcoex_set_weight(btinfo, AR_BT_COEX_WGHT,
+				      AR_STOMP_ALL_WLAN_WGHT);
+		break;
+	case ATH_BTCOEX_STOMP_LOW:
+		ath_btcoex_set_weight(btinfo, AR_BT_COEX_WGHT,
+				      AR_STOMP_LOW_WLAN_WGHT);
+		break;
+	case ATH_BTCOEX_STOMP_NONE:
+		ath_btcoex_set_weight(btinfo, AR_BT_COEX_WGHT,
+				      AR_STOMP_NONE_WLAN_WGHT);
+		break;
+	default:
+		DPRINTF(sc->sc_ah, ATH_DBG_BTCOEX, "Invalid Stomptype\n");
+		break;
+	}
+
+	ath9k_hw_btcoex_enable(sc->sc_ah);
+}
+
+/*
+ * This is the master bt coex timer which runs for every
+ * 45ms, bt traffic will be given priority during 55% of this
+ * period while wlan gets remaining 45%
+ */
+static void ath_btcoex_period_timer(unsigned long data)
+{
+	struct ath_softc *sc = (struct ath_softc *) data;
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_btcoex *btcoex = &sc->btcoex;
+	struct ath_btcoex_info *btinfo = &ah->btcoex_info;
+
+	ath_detect_bt_priority(sc);
+
+	spin_lock_bh(&btcoex->btcoex_lock);
+
+	ath_btcoex_bt_stomp(sc, btinfo, btinfo->bt_stomp_type);
+
+	spin_unlock_bh(&btcoex->btcoex_lock);
+
+	if (btcoex->btcoex_period != btcoex->btcoex_no_stomp) {
+		if (btcoex->hw_timer_enabled)
+			ath_gen_timer_stop(ah, btcoex->no_stomp_timer);
+
+		ath_gen_timer_start(ah,
+			btcoex->no_stomp_timer,
+			(ath9k_hw_gettsf32(ah) +
+				btcoex->btcoex_no_stomp),
+				btcoex->btcoex_no_stomp * 10);
+		btcoex->hw_timer_enabled = true;
+	}
+
+	mod_timer(&btcoex->period_timer, jiffies +
+				  msecs_to_jiffies(ATH_BTCOEX_DEF_BT_PERIOD));
+}
+
+/*
+ * Generic tsf based hw timer which configures weight
+ * registers to time slice between wlan and bt traffic
+ */
+static void ath_btcoex_no_stomp_timer(void *arg)
+{
+	struct ath_softc *sc = (struct ath_softc *)arg;
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_btcoex *btcoex = &sc->btcoex;
+	struct ath_btcoex_info *btinfo = &ah->btcoex_info;
+
+	DPRINTF(ah, ATH_DBG_BTCOEX, "no stomp timer running \n");
+
+	spin_lock_bh(&btcoex->btcoex_lock);
+
+	if (btinfo->bt_stomp_type == ATH_BTCOEX_STOMP_LOW)
+		ath_btcoex_bt_stomp(sc, btinfo, ATH_BTCOEX_STOMP_NONE);
+	 else if (btinfo->bt_stomp_type == ATH_BTCOEX_STOMP_ALL)
+		ath_btcoex_bt_stomp(sc, btinfo, ATH_BTCOEX_STOMP_LOW);
+
+	spin_unlock_bh(&btcoex->btcoex_lock);
+}
+
+static int ath_init_btcoex_timer(struct ath_softc *sc)
+{
+	struct ath_btcoex *btcoex = &sc->btcoex;
+
+	btcoex->btcoex_period = ATH_BTCOEX_DEF_BT_PERIOD * 1000;
+	btcoex->btcoex_no_stomp = (100 - ATH_BTCOEX_DEF_DUTY_CYCLE) *
+		btcoex->btcoex_period / 100;
+
+	setup_timer(&btcoex->period_timer, ath_btcoex_period_timer,
+			(unsigned long) sc);
+
+	spin_lock_init(&btcoex->btcoex_lock);
+
+	btcoex->no_stomp_timer = ath_gen_timer_alloc(sc->sc_ah,
+			ath_btcoex_no_stomp_timer,
+			ath_btcoex_no_stomp_timer,
+			(void *) sc, AR_FIRST_NDP_TIMER);
+
+	if (!btcoex->no_stomp_timer)
+		return -ENOMEM;
+
+	return 0;
+}
+
 /*
  * Initialize and fill ath_softc, ath_sofct is the
  * "Software Carrier" struct. Historically it has existed
@@ -1317,6 +1469,7 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
 	struct ath_hw *ah = NULL;
 	int r = 0, i;
 	int csz = 0;
+	int qnum;
 
 	/* XXX: hardware will not be ready until ath_open() being called */
 	sc->sc_flags |= SC_OP_INVALID;
@@ -1521,10 +1674,23 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
 			ARRAY_SIZE(ath9k_5ghz_chantable);
 	}
 
-	if (ah->btcoex_info.btcoex_scheme != ATH_BTCOEX_CFG_NONE) {
-		r = ath9k_hw_btcoex_init(ah);
+	switch (ah->btcoex_info.btcoex_scheme) {
+	case ATH_BTCOEX_CFG_NONE:
+		break;
+	case ATH_BTCOEX_CFG_2WIRE:
+		ath9k_hw_btcoex_init_2wire(ah);
+		break;
+	case ATH_BTCOEX_CFG_3WIRE:
+		ath9k_hw_btcoex_init_3wire(ah);
+		r = ath_init_btcoex_timer(sc);
 		if (r)
 			goto bad2;
+		qnum = ath_tx_get_qnum(sc, ATH9K_TX_QUEUE_DATA, ATH9K_WME_AC_BE);
+		ath9k_hw_init_btcoex_hw_info(ah, qnum);
+		break;
+	default:
+		WARN_ON(1);
+		break;
 	}
 
 	return 0;
@@ -1906,6 +2072,27 @@ void ath9k_update_ichannel(struct ath_softc *sc, struct ieee80211_hw *hw,
 /* mac80211 callbacks */
 /**********************/
 
+/*
+ * (Re)start btcoex timers
+ */
+static void ath9k_btcoex_timer_resume(struct ath_softc *sc)
+{
+	struct ath_btcoex *btcoex = &sc->btcoex;
+	struct ath_hw *ah = sc->sc_ah;
+
+	DPRINTF(ah, ATH_DBG_BTCOEX, "Starting btcoex timers");
+
+	/* make sure duty cycle timer is also stopped when resuming */
+	if (btcoex->hw_timer_enabled)
+		ath_gen_timer_stop(sc->sc_ah, btcoex->no_stomp_timer);
+
+	btcoex->bt_priority_cnt = 0;
+	btcoex->bt_priority_time = jiffies;
+	sc->sc_flags &= ~SC_OP_BT_PRIORITY_DETECTED;
+
+	mod_timer(&btcoex->period_timer, jiffies);
+}
+
 static int ath9k_start(struct ieee80211_hw *hw)
 {
 	struct ath_wiphy *aphy = hw->priv;
@@ -2018,7 +2205,7 @@ static int ath9k_start(struct ieee80211_hw *hw)
 
 		ath_pcie_aspm_disable(sc);
 		if (ah->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE)
-			ath_btcoex_timer_resume(sc);
+			ath9k_btcoex_timer_resume(sc);
 	}
 
 mutex_unlock:
@@ -2126,6 +2313,22 @@ exit:
 	return 0;
 }
 
+/*
+ * Pause btcoex timer and bt duty cycle timer
+ */
+static void ath9k_btcoex_timer_pause(struct ath_softc *sc)
+{
+	struct ath_btcoex *btcoex = &sc->btcoex;
+	struct ath_hw *ah = sc->sc_ah;
+
+	del_timer_sync(&btcoex->period_timer);
+
+	if (btcoex->hw_timer_enabled)
+		ath_gen_timer_stop(ah, btcoex->no_stomp_timer);
+
+	btcoex->hw_timer_enabled = false;
+}
+
 static void ath9k_stop(struct ieee80211_hw *hw)
 {
 	struct ath_wiphy *aphy = hw->priv;
@@ -2158,7 +2361,7 @@ static void ath9k_stop(struct ieee80211_hw *hw)
 	if (sc->sc_flags & SC_OP_BTCOEX_ENABLED) {
 		ath9k_hw_btcoex_disable(ah);
 		if (ah->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE)
-			ath_btcoex_timer_pause(sc);
+			ath9k_btcoex_timer_pause(sc);
 	}
 
 	/* make sure h/w will not generate any interrupt
-- 
GitLab


From bc74bf8fc382b30df24c4e280fb84f3b1303958f Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 9 Sep 2009 04:17:45 -0700
Subject: [PATCH 0060/1815] ath9k: split ath9k_hw_btcoex_enable() into two
 helpers

One for 2-wire and another for 3-wire.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/btcoex.c | 57 ++++++++++++++++---------
 1 file changed, 37 insertions(+), 20 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c
index 6209a56f7a9..61a8e1d95bb 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.c
+++ b/drivers/net/wireless/ath/ath9k/btcoex.c
@@ -117,30 +117,47 @@ void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah)
 	ath9k_hw_cfg_gpio_input(ah, btcoex_info->btpriority_gpio);
 }
 
+static void ath9k_hw_btcoex_enable_2wire(struct ath_hw *ah)
+{
+	struct ath_btcoex_info *btcoex_info = &ah->btcoex_info;
+
+	/* Configure the desired GPIO port for TX_FRAME output */
+	ath9k_hw_cfg_output(ah, btcoex_info->wlanactive_gpio,
+			    AR_GPIO_OUTPUT_MUX_AS_TX_FRAME);
+}
+
+static void ath9k_hw_btcoex_enable_3wire(struct ath_hw *ah)
+{
+	struct ath_btcoex_info *btcoex_info = &ah->btcoex_info;
+
+	/*
+	 * Program coex mode and weight registers to
+	 * enable coex 3-wire
+	 */
+	REG_WRITE(ah, AR_BT_COEX_MODE, btcoex_info->bt_coex_mode);
+	REG_WRITE(ah, AR_BT_COEX_WEIGHT, btcoex_info->bt_coex_weights);
+	REG_WRITE(ah, AR_BT_COEX_MODE2, btcoex_info->bt_coex_mode2);
+
+	REG_RMW_FIELD(ah, AR_QUIET1, AR_QUIET1_QUIET_ACK_CTS_ENABLE, 1);
+	REG_RMW_FIELD(ah, AR_PCU_MISC, AR_PCU_BT_ANT_PREVENT_RX, 0);
+
+	ath9k_hw_cfg_output(ah, btcoex_info->wlanactive_gpio,
+			    AR_GPIO_OUTPUT_MUX_AS_RX_CLEAR_EXTERNAL);
+}
+
 void ath9k_hw_btcoex_enable(struct ath_hw *ah)
 {
 	struct ath_btcoex_info *btcoex_info = &ah->btcoex_info;
 
-	if (btcoex_info->btcoex_scheme == ATH_BTCOEX_CFG_2WIRE) {
-		/* Configure the desired GPIO port for TX_FRAME output */
-		ath9k_hw_cfg_output(ah, btcoex_info->wlanactive_gpio,
-				AR_GPIO_OUTPUT_MUX_AS_TX_FRAME);
-	} else {
-		/*
-		 * Program coex mode and weight registers to
-		 * enable coex 3-wire
-		 */
-		REG_WRITE(ah, AR_BT_COEX_MODE, btcoex_info->bt_coex_mode);
-		REG_WRITE(ah, AR_BT_COEX_WEIGHT, btcoex_info->bt_coex_weights);
-		REG_WRITE(ah, AR_BT_COEX_MODE2, btcoex_info->bt_coex_mode2);
-
-		REG_RMW_FIELD(ah, AR_QUIET1,
-				AR_QUIET1_QUIET_ACK_CTS_ENABLE, 1);
-		REG_RMW_FIELD(ah, AR_PCU_MISC,
-				AR_PCU_BT_ANT_PREVENT_RX, 0);
-
-		ath9k_hw_cfg_output(ah, btcoex_info->wlanactive_gpio,
-				AR_GPIO_OUTPUT_MUX_AS_RX_CLEAR_EXTERNAL);
+	switch (btcoex_info->btcoex_scheme) {
+	case ATH_BTCOEX_CFG_NONE:
+		break;
+	case ATH_BTCOEX_CFG_2WIRE:
+		ath9k_hw_btcoex_enable_2wire(ah);
+		break;
+	case ATH_BTCOEX_CFG_3WIRE:
+		ath9k_hw_btcoex_enable_3wire(ah);
+		break;
 	}
 
 	REG_RMW(ah, AR_GPIO_PDPU,
-- 
GitLab


From 8c1b39547e2562f9aa0cc00b1a7d4cc325a46a4c Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 9 Sep 2009 13:44:23 -0700
Subject: [PATCH 0061/1815] ath9k: replaces SC_OP_BTCOEX_ENABLED with a bool

Whether or not bluetooth coex has been enabled is a hardware
state and only the hardware helpers will be able to set this.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/ath9k.h  | 1 -
 drivers/net/wireless/ath/ath9k/btcoex.c | 4 ++--
 drivers/net/wireless/ath/ath9k/btcoex.h | 1 +
 drivers/net/wireless/ath/ath9k/hw.c     | 2 +-
 drivers/net/wireless/ath/ath9k/main.c   | 4 ++--
 5 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index f001cc26266..891e71b10e5 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -532,7 +532,6 @@ struct ath_led {
 #define SC_OP_WAIT_FOR_PSPOLL_DATA BIT(17)
 #define SC_OP_WAIT_FOR_TX_ACK   BIT(18)
 #define SC_OP_BEACON_SYNC       BIT(19)
-#define SC_OP_BTCOEX_ENABLED    BIT(20)
 #define SC_OP_BT_PRIORITY_DETECTED BIT(21)
 
 struct ath_bus_ops {
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c
index 61a8e1d95bb..91befc78a15 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.c
+++ b/drivers/net/wireless/ath/ath9k/btcoex.c
@@ -164,7 +164,7 @@ void ath9k_hw_btcoex_enable(struct ath_hw *ah)
 		(0x2 << (btcoex_info->btactive_gpio * 2)),
 		(0x3 << (btcoex_info->btactive_gpio * 2)));
 
-	ah->ah_sc->sc_flags |= SC_OP_BTCOEX_ENABLED;
+	ah->btcoex_info.enabled = true;
 }
 
 void ath9k_hw_btcoex_disable(struct ath_hw *ah)
@@ -182,5 +182,5 @@ void ath9k_hw_btcoex_disable(struct ath_hw *ah)
 		REG_WRITE(ah, AR_BT_COEX_MODE2, 0);
 	}
 
-	ah->ah_sc->sc_flags &= ~SC_OP_BTCOEX_ENABLED;
+	ah->btcoex_info.enabled = false;
 }
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.h b/drivers/net/wireless/ath/ath9k/btcoex.h
index ed8d01d2f76..b2c3f766985 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.h
+++ b/drivers/net/wireless/ath/ath9k/btcoex.h
@@ -64,6 +64,7 @@ struct ath_btcoex_config {
 
 struct ath_btcoex_info {
 	enum ath_btcoex_scheme btcoex_scheme;
+	bool enabled;
 	u8 wlanactive_gpio;
 	u8 btactive_gpio;
 	u8 btpriority_gpio;
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 6e33aadc161..bbbd454fffe 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2578,7 +2578,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 #endif
 	}
 
-	if (ah->ah_sc->sc_flags & SC_OP_BTCOEX_ENABLED)
+	if (ah->btcoex_info.enabled)
 		ath9k_hw_btcoex_enable(ah);
 
 	return 0;
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 9ac1ee0638f..cd1bc9c2752 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -2199,7 +2199,7 @@ static int ath9k_start(struct ieee80211_hw *hw)
 	ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0);
 
 	if ((ah->btcoex_info.btcoex_scheme != ATH_BTCOEX_CFG_NONE) &&
-	    !(sc->sc_flags & SC_OP_BTCOEX_ENABLED)) {
+	    !ah->btcoex_info.enabled) {
 		ath9k_hw_btcoex_init_weight(ah);
 		ath9k_hw_btcoex_enable(ah);
 
@@ -2358,7 +2358,7 @@ static void ath9k_stop(struct ieee80211_hw *hw)
 		return; /* another wiphy still in use */
 	}
 
-	if (sc->sc_flags & SC_OP_BTCOEX_ENABLED) {
+	if (ah->btcoex_info.enabled) {
 		ath9k_hw_btcoex_disable(ah);
 		if (ah->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE)
 			ath9k_btcoex_timer_pause(sc);
-- 
GitLab


From e08a6ace7db089dc111c6d0abe9278226c39b7b0 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 9 Sep 2009 14:26:15 -0700
Subject: [PATCH 0062/1815] ath9k: move bt_stomp_type to driver core

The bt_stomp_type defines the bt coex weight, it has a one-to-one
mapping. In the future we may want to just use the weight directly.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/ath9k.h  | 9 +++++++++
 drivers/net/wireless/ath/ath9k/btcoex.c | 2 --
 drivers/net/wireless/ath/ath9k/btcoex.h | 8 --------
 drivers/net/wireless/ath/ath9k/main.c   | 7 ++++---
 4 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 891e71b10e5..d99c92d7b94 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -450,12 +450,21 @@ struct ath_ani {
 	struct timer_list timer;
 };
 
+/* Defines the BT AR_BT_COEX_WGHT used */
+enum ath_stomp_type {
+	ATH_BTCOEX_NO_STOMP,
+	ATH_BTCOEX_STOMP_ALL,
+	ATH_BTCOEX_STOMP_LOW,
+	ATH_BTCOEX_STOMP_NONE
+};
+
 struct ath_btcoex {
 	bool hw_timer_enabled;
 	spinlock_t btcoex_lock;
 	struct timer_list period_timer; /* Timer for BT period */
 	u32 bt_priority_cnt;
 	unsigned long bt_priority_time;
+	int bt_stomp_type; /* Types of BT stomping */
 	u32 btcoex_no_stomp; /* in usec */
 	u32 btcoex_period; /* in usec */
 	struct ath_gen_timer *no_stomp_timer; /* Timer for no BT stomping */
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c
index 91befc78a15..ab19072493c 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.c
+++ b/drivers/net/wireless/ath/ath9k/btcoex.c
@@ -65,8 +65,6 @@ void ath9k_hw_init_btcoex_hw_info(struct ath_hw *ah, int qnum)
 		SM(ATH_BTCOEX_BMISS_THRESH, AR_BT_BCN_MISS_THRESH) |
 		AR_BT_DISABLE_BT_ANT;
 
-	btcoex_info->bt_stomp_type = ATH_BTCOEX_STOMP_LOW;
-
 	for (i = 0; i < 32; i++)
 		ah->hw_gen_timers.gen_timer_index[(debruijn32 << i) >> 27] = i;
 }
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.h b/drivers/net/wireless/ath/ath9k/btcoex.h
index b2c3f766985..d932f01f773 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.h
+++ b/drivers/net/wireless/ath/ath9k/btcoex.h
@@ -36,13 +36,6 @@ enum ath_btcoex_scheme {
 	ATH_BTCOEX_CFG_3WIRE,
 };
 
-enum ath_stomp_type {
-	ATH_BTCOEX_NO_STOMP,
-	ATH_BTCOEX_STOMP_ALL,
-	ATH_BTCOEX_STOMP_LOW,
-	ATH_BTCOEX_STOMP_NONE
-};
-
 enum ath_bt_mode {
 	ATH_BT_COEX_MODE_LEGACY,	/* legacy rx_clear mode */
 	ATH_BT_COEX_MODE_UNSLOTTED,	/* untimed/unslotted mode */
@@ -69,7 +62,6 @@ struct ath_btcoex_info {
 	u8 btactive_gpio;
 	u8 btpriority_gpio;
 	u8 bt_duty_cycle; 	/* BT duty cycle in percentage */
-	int bt_stomp_type; 	/* Types of BT stomping */
 	u32 bt_coex_mode; 	/* Register setting for AR_BT_COEX_MODE */
 	u32 bt_coex_weights; 	/* Register setting for AR_BT_COEX_WEIGHT */
 	u32 bt_coex_mode2; 	/* Register setting for AR_BT_COEX_MODE2 */
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index cd1bc9c2752..7ca6e3aa7bc 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1391,7 +1391,7 @@ static void ath_btcoex_period_timer(unsigned long data)
 
 	spin_lock_bh(&btcoex->btcoex_lock);
 
-	ath_btcoex_bt_stomp(sc, btinfo, btinfo->bt_stomp_type);
+	ath_btcoex_bt_stomp(sc, btinfo, btcoex->bt_stomp_type);
 
 	spin_unlock_bh(&btcoex->btcoex_lock);
 
@@ -1426,9 +1426,9 @@ static void ath_btcoex_no_stomp_timer(void *arg)
 
 	spin_lock_bh(&btcoex->btcoex_lock);
 
-	if (btinfo->bt_stomp_type == ATH_BTCOEX_STOMP_LOW)
+	if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_LOW)
 		ath_btcoex_bt_stomp(sc, btinfo, ATH_BTCOEX_STOMP_NONE);
-	 else if (btinfo->bt_stomp_type == ATH_BTCOEX_STOMP_ALL)
+	 else if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_ALL)
 		ath_btcoex_bt_stomp(sc, btinfo, ATH_BTCOEX_STOMP_LOW);
 
 	spin_unlock_bh(&btcoex->btcoex_lock);
@@ -1687,6 +1687,7 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
 			goto bad2;
 		qnum = ath_tx_get_qnum(sc, ATH9K_TX_QUEUE_DATA, ATH9K_WME_AC_BE);
 		ath9k_hw_init_btcoex_hw_info(ah, qnum);
+		sc->btcoex.bt_stomp_type = ATH_BTCOEX_STOMP_LOW;
 		break;
 	default:
 		WARN_ON(1);
-- 
GitLab


From 05a0b3c9200f4677097937efe634204044c4b4dc Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 9 Sep 2009 14:31:24 -0700
Subject: [PATCH 0063/1815] ath9k: remove unused bt_duty_cycle

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/btcoex.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath9k/btcoex.h b/drivers/net/wireless/ath/ath9k/btcoex.h
index d932f01f773..72c613d9c53 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.h
+++ b/drivers/net/wireless/ath/ath9k/btcoex.h
@@ -61,7 +61,6 @@ struct ath_btcoex_info {
 	u8 wlanactive_gpio;
 	u8 btactive_gpio;
 	u8 btpriority_gpio;
-	u8 bt_duty_cycle; 	/* BT duty cycle in percentage */
 	u32 bt_coex_mode; 	/* Register setting for AR_BT_COEX_MODE */
 	u32 bt_coex_weights; 	/* Register setting for AR_BT_COEX_WEIGHT */
 	u32 bt_coex_mode2; 	/* Register setting for AR_BT_COEX_MODE2 */
-- 
GitLab


From 46289e1e5f2155ba1502b079e786e91755919823 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 9 Sep 2009 14:34:22 -0700
Subject: [PATCH 0064/1815] ath9k: rename btcoex_scheme to just scheme

btcoex_scheme is already part of a btcoex struct, its implied
this is btcoex related.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/btcoex.c |  4 ++--
 drivers/net/wireless/ath/ath9k/btcoex.h |  2 +-
 drivers/net/wireless/ath/ath9k/hw.c     |  6 +++---
 drivers/net/wireless/ath/ath9k/main.c   | 14 +++++++-------
 4 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c
index ab19072493c..aa0ec2c2f32 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.c
+++ b/drivers/net/wireless/ath/ath9k/btcoex.c
@@ -147,7 +147,7 @@ void ath9k_hw_btcoex_enable(struct ath_hw *ah)
 {
 	struct ath_btcoex_info *btcoex_info = &ah->btcoex_info;
 
-	switch (btcoex_info->btcoex_scheme) {
+	switch (btcoex_info->scheme) {
 	case ATH_BTCOEX_CFG_NONE:
 		break;
 	case ATH_BTCOEX_CFG_2WIRE:
@@ -174,7 +174,7 @@ void ath9k_hw_btcoex_disable(struct ath_hw *ah)
 	ath9k_hw_cfg_output(ah, btcoex_info->wlanactive_gpio,
 			AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
 
-	if (btcoex_info->btcoex_scheme == ATH_BTCOEX_CFG_3WIRE) {
+	if (btcoex_info->scheme == ATH_BTCOEX_CFG_3WIRE) {
 		REG_WRITE(ah, AR_BT_COEX_MODE, AR_BT_QUIET | AR_BT_MODE);
 		REG_WRITE(ah, AR_BT_COEX_WEIGHT, 0);
 		REG_WRITE(ah, AR_BT_COEX_MODE2, 0);
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.h b/drivers/net/wireless/ath/ath9k/btcoex.h
index 72c613d9c53..aea6d3fbb5b 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.h
+++ b/drivers/net/wireless/ath/ath9k/btcoex.h
@@ -56,7 +56,7 @@ struct ath_btcoex_config {
 };
 
 struct ath_btcoex_info {
-	enum ath_btcoex_scheme btcoex_scheme;
+	enum ath_btcoex_scheme scheme;
 	bool enabled;
 	u8 wlanactive_gpio;
 	u8 btactive_gpio;
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index bbbd454fffe..0b7e2859c1e 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -3733,13 +3733,13 @@ void ath9k_hw_fill_cap_info(struct ath_hw *ah)
 		btcoex_info->wlanactive_gpio = ATH_WLANACTIVE_GPIO;
 
 		if (AR_SREV_9285(ah)) {
-			btcoex_info->btcoex_scheme = ATH_BTCOEX_CFG_3WIRE;
+			btcoex_info->scheme = ATH_BTCOEX_CFG_3WIRE;
 			btcoex_info->btpriority_gpio = ATH_BTPRIORITY_GPIO;
 		} else {
-			btcoex_info->btcoex_scheme = ATH_BTCOEX_CFG_2WIRE;
+			btcoex_info->scheme = ATH_BTCOEX_CFG_2WIRE;
 		}
 	} else {
-		btcoex_info->btcoex_scheme = ATH_BTCOEX_CFG_NONE;
+		btcoex_info->scheme = ATH_BTCOEX_CFG_NONE;
 	}
 }
 
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 7ca6e3aa7bc..3d0eb68c863 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -443,7 +443,7 @@ void ath_update_chainmask(struct ath_softc *sc, int is_ht)
 	struct ath_hw *ah = sc->sc_ah;
 
 	if ((sc->sc_flags & SC_OP_SCANNING) || is_ht ||
-	    (ah->btcoex_info.btcoex_scheme != ATH_BTCOEX_CFG_NONE)) {
+	    (ah->btcoex_info.scheme != ATH_BTCOEX_CFG_NONE)) {
 		sc->tx_chainmask = sc->sc_ah->caps.tx_chainmask;
 		sc->rx_chainmask = sc->sc_ah->caps.rx_chainmask;
 	} else {
@@ -511,7 +511,7 @@ static void ath9k_tasklet(unsigned long data)
 		sc->sc_flags |= SC_OP_WAIT_FOR_BEACON | SC_OP_BEACON_SYNC;
 	}
 
-	if (ah->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE)
+	if (ah->btcoex_info.scheme == ATH_BTCOEX_CFG_3WIRE)
 		if (status & ATH9K_INT_GENTIMER)
 			ath_gen_timer_isr(sc->sc_ah);
 
@@ -1287,7 +1287,7 @@ void ath_detach(struct ath_softc *sc)
 			ath_tx_cleanupq(sc, &sc->tx.txq[i]);
 
 	if ((sc->btcoex.no_stomp_timer) &&
-	    ah->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE)
+	    ah->btcoex_info.scheme == ATH_BTCOEX_CFG_3WIRE)
 		ath_gen_timer_free(ah, sc->btcoex.no_stomp_timer);
 
 	ath9k_hw_detach(ah);
@@ -1674,7 +1674,7 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
 			ARRAY_SIZE(ath9k_5ghz_chantable);
 	}
 
-	switch (ah->btcoex_info.btcoex_scheme) {
+	switch (ah->btcoex_info.scheme) {
 	case ATH_BTCOEX_CFG_NONE:
 		break;
 	case ATH_BTCOEX_CFG_2WIRE:
@@ -2199,13 +2199,13 @@ static int ath9k_start(struct ieee80211_hw *hw)
 
 	ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0);
 
-	if ((ah->btcoex_info.btcoex_scheme != ATH_BTCOEX_CFG_NONE) &&
+	if ((ah->btcoex_info.scheme != ATH_BTCOEX_CFG_NONE) &&
 	    !ah->btcoex_info.enabled) {
 		ath9k_hw_btcoex_init_weight(ah);
 		ath9k_hw_btcoex_enable(ah);
 
 		ath_pcie_aspm_disable(sc);
-		if (ah->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE)
+		if (ah->btcoex_info.scheme == ATH_BTCOEX_CFG_3WIRE)
 			ath9k_btcoex_timer_resume(sc);
 	}
 
@@ -2361,7 +2361,7 @@ static void ath9k_stop(struct ieee80211_hw *hw)
 
 	if (ah->btcoex_info.enabled) {
 		ath9k_hw_btcoex_disable(ah);
-		if (ah->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE)
+		if (ah->btcoex_info.scheme == ATH_BTCOEX_CFG_3WIRE)
 			ath9k_btcoex_timer_pause(sc);
 	}
 
-- 
GitLab


From 766ec4a9a813ae262b61842020f150f865c1b10a Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 9 Sep 2009 14:52:02 -0700
Subject: [PATCH 0065/1815] ath9k: rename ath_btcoex_info to ath_btcoex_hw

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/btcoex.c | 60 ++++++++++++-------------
 drivers/net/wireless/ath/ath9k/btcoex.h |  4 +-
 drivers/net/wireless/ath/ath9k/hw.c     | 16 +++----
 drivers/net/wireless/ath/ath9k/hw.h     |  2 +-
 drivers/net/wireless/ath/ath9k/main.c   | 46 +++++++++----------
 5 files changed, 64 insertions(+), 64 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c
index aa0ec2c2f32..0b5a7d4a6d5 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.c
+++ b/drivers/net/wireless/ath/ath9k/btcoex.c
@@ -43,13 +43,13 @@ bool ath_btcoex_supported(u16 subsysid)
 	return false;
 }
 
-void ath9k_hw_init_btcoex_hw_info(struct ath_hw *ah, int qnum)
+void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum)
 {
-	struct ath_btcoex_info *btcoex_info = &ah->btcoex_info;
+	struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
 	u32 i;
 
-	btcoex_info->bt_coex_mode =
-		(btcoex_info->bt_coex_mode & AR_BT_QCU_THRESH) |
+	btcoex_hw->bt_coex_mode =
+		(btcoex_hw->bt_coex_mode & AR_BT_QCU_THRESH) |
 		SM(ath_bt_config.bt_time_extend, AR_BT_TIME_EXTEND) |
 		SM(ath_bt_config.bt_txstate_extend, AR_BT_TXSTATE_EXTEND) |
 		SM(ath_bt_config.bt_txframe_extend, AR_BT_TX_FRAME_EXTEND) |
@@ -60,7 +60,7 @@ void ath9k_hw_init_btcoex_hw_info(struct ath_hw *ah, int qnum)
 		SM(ath_bt_config.bt_first_slot_time, AR_BT_FIRST_SLOT_TIME) |
 		SM(qnum, AR_BT_QCU_THRESH);
 
-	btcoex_info->bt_coex_mode2 =
+	btcoex_hw->bt_coex_mode2 =
 		SM(ath_bt_config.bt_hold_rx_clear, AR_BT_HOLD_RX_CLEAR) |
 		SM(ATH_BTCOEX_BMISS_THRESH, AR_BT_BCN_MISS_THRESH) |
 		AR_BT_DISABLE_BT_ANT;
@@ -71,7 +71,7 @@ void ath9k_hw_init_btcoex_hw_info(struct ath_hw *ah, int qnum)
 
 void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah)
 {
-	struct ath_btcoex_info *btcoex_info = &ah->btcoex_info;
+	struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
 
 	/* connect bt_active to baseband */
 	REG_CLR_BIT(ah, AR_GPIO_INPUT_EN_VAL,
@@ -84,15 +84,15 @@ void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah)
 	/* Set input mux for bt_active to gpio pin */
 	REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1,
 		      AR_GPIO_INPUT_MUX1_BT_ACTIVE,
-		      btcoex_info->btactive_gpio);
+		      btcoex_hw->btactive_gpio);
 
 	/* Configure the desired gpio port for input */
-	ath9k_hw_cfg_gpio_input(ah, btcoex_info->btactive_gpio);
+	ath9k_hw_cfg_gpio_input(ah, btcoex_hw->btactive_gpio);
 }
 
 void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah)
 {
-	struct ath_btcoex_info *btcoex_info = &ah->btcoex_info;
+	struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
 
 	/* btcoex 3-wire */
 	REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL,
@@ -103,51 +103,51 @@ void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah)
 	 *                  bt_active_async to GPIO pins */
 	REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1,
 			AR_GPIO_INPUT_MUX1_BT_ACTIVE,
-			btcoex_info->btactive_gpio);
+			btcoex_hw->btactive_gpio);
 
 	REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1,
 			AR_GPIO_INPUT_MUX1_BT_PRIORITY,
-			btcoex_info->btpriority_gpio);
+			btcoex_hw->btpriority_gpio);
 
 	/* Configure the desired GPIO ports for input */
 
-	ath9k_hw_cfg_gpio_input(ah, btcoex_info->btactive_gpio);
-	ath9k_hw_cfg_gpio_input(ah, btcoex_info->btpriority_gpio);
+	ath9k_hw_cfg_gpio_input(ah, btcoex_hw->btactive_gpio);
+	ath9k_hw_cfg_gpio_input(ah, btcoex_hw->btpriority_gpio);
 }
 
 static void ath9k_hw_btcoex_enable_2wire(struct ath_hw *ah)
 {
-	struct ath_btcoex_info *btcoex_info = &ah->btcoex_info;
+	struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
 
 	/* Configure the desired GPIO port for TX_FRAME output */
-	ath9k_hw_cfg_output(ah, btcoex_info->wlanactive_gpio,
+	ath9k_hw_cfg_output(ah, btcoex_hw->wlanactive_gpio,
 			    AR_GPIO_OUTPUT_MUX_AS_TX_FRAME);
 }
 
 static void ath9k_hw_btcoex_enable_3wire(struct ath_hw *ah)
 {
-	struct ath_btcoex_info *btcoex_info = &ah->btcoex_info;
+	struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
 
 	/*
 	 * Program coex mode and weight registers to
 	 * enable coex 3-wire
 	 */
-	REG_WRITE(ah, AR_BT_COEX_MODE, btcoex_info->bt_coex_mode);
-	REG_WRITE(ah, AR_BT_COEX_WEIGHT, btcoex_info->bt_coex_weights);
-	REG_WRITE(ah, AR_BT_COEX_MODE2, btcoex_info->bt_coex_mode2);
+	REG_WRITE(ah, AR_BT_COEX_MODE, btcoex_hw->bt_coex_mode);
+	REG_WRITE(ah, AR_BT_COEX_WEIGHT, btcoex_hw->bt_coex_weights);
+	REG_WRITE(ah, AR_BT_COEX_MODE2, btcoex_hw->bt_coex_mode2);
 
 	REG_RMW_FIELD(ah, AR_QUIET1, AR_QUIET1_QUIET_ACK_CTS_ENABLE, 1);
 	REG_RMW_FIELD(ah, AR_PCU_MISC, AR_PCU_BT_ANT_PREVENT_RX, 0);
 
-	ath9k_hw_cfg_output(ah, btcoex_info->wlanactive_gpio,
+	ath9k_hw_cfg_output(ah, btcoex_hw->wlanactive_gpio,
 			    AR_GPIO_OUTPUT_MUX_AS_RX_CLEAR_EXTERNAL);
 }
 
 void ath9k_hw_btcoex_enable(struct ath_hw *ah)
 {
-	struct ath_btcoex_info *btcoex_info = &ah->btcoex_info;
+	struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
 
-	switch (btcoex_info->scheme) {
+	switch (btcoex_hw->scheme) {
 	case ATH_BTCOEX_CFG_NONE:
 		break;
 	case ATH_BTCOEX_CFG_2WIRE:
@@ -159,26 +159,26 @@ void ath9k_hw_btcoex_enable(struct ath_hw *ah)
 	}
 
 	REG_RMW(ah, AR_GPIO_PDPU,
-		(0x2 << (btcoex_info->btactive_gpio * 2)),
-		(0x3 << (btcoex_info->btactive_gpio * 2)));
+		(0x2 << (btcoex_hw->btactive_gpio * 2)),
+		(0x3 << (btcoex_hw->btactive_gpio * 2)));
 
-	ah->btcoex_info.enabled = true;
+	ah->btcoex_hw.enabled = true;
 }
 
 void ath9k_hw_btcoex_disable(struct ath_hw *ah)
 {
-	struct ath_btcoex_info *btcoex_info = &ah->btcoex_info;
+	struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
 
-	ath9k_hw_set_gpio(ah, btcoex_info->wlanactive_gpio, 0);
+	ath9k_hw_set_gpio(ah, btcoex_hw->wlanactive_gpio, 0);
 
-	ath9k_hw_cfg_output(ah, btcoex_info->wlanactive_gpio,
+	ath9k_hw_cfg_output(ah, btcoex_hw->wlanactive_gpio,
 			AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
 
-	if (btcoex_info->scheme == ATH_BTCOEX_CFG_3WIRE) {
+	if (btcoex_hw->scheme == ATH_BTCOEX_CFG_3WIRE) {
 		REG_WRITE(ah, AR_BT_COEX_MODE, AR_BT_QUIET | AR_BT_MODE);
 		REG_WRITE(ah, AR_BT_COEX_WEIGHT, 0);
 		REG_WRITE(ah, AR_BT_COEX_MODE2, 0);
 	}
 
-	ah->btcoex_info.enabled = false;
+	ah->btcoex_hw.enabled = false;
 }
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.h b/drivers/net/wireless/ath/ath9k/btcoex.h
index aea6d3fbb5b..296ddd8ce81 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.h
+++ b/drivers/net/wireless/ath/ath9k/btcoex.h
@@ -55,7 +55,7 @@ struct ath_btcoex_config {
 	bool bt_hold_rx_clear;
 };
 
-struct ath_btcoex_info {
+struct ath_btcoex_hw {
 	enum ath_btcoex_scheme scheme;
 	bool enabled;
 	u8 wlanactive_gpio;
@@ -69,7 +69,7 @@ struct ath_btcoex_info {
 bool ath_btcoex_supported(u16 subsysid);
 void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah);
 void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah);
-void ath9k_hw_init_btcoex_hw_info(struct ath_hw *ah, int qnum);
+void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum);
 void ath9k_hw_btcoex_enable(struct ath_hw *ah);
 void ath9k_hw_btcoex_disable(struct ath_hw *ah);
 
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 0b7e2859c1e..93b3258190c 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2578,7 +2578,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 #endif
 	}
 
-	if (ah->btcoex_info.enabled)
+	if (ah->btcoex_hw.enabled)
 		ath9k_hw_btcoex_enable(ah);
 
 	return 0;
@@ -3559,7 +3559,7 @@ void ath9k_hw_fill_cap_info(struct ath_hw *ah)
 {
 	struct ath9k_hw_capabilities *pCap = &ah->caps;
 	struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
-	struct ath_btcoex_info *btcoex_info = &ah->btcoex_info;
+	struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
 
 	u16 capField = 0, eeval;
 
@@ -3729,17 +3729,17 @@ void ath9k_hw_fill_cap_info(struct ath_hw *ah)
 
 	if (AR_SREV_9280_10_OR_LATER(ah) &&
 	    ath_btcoex_supported(ah->hw_version.subsysid)) {
-		btcoex_info->btactive_gpio = ATH_BTACTIVE_GPIO;
-		btcoex_info->wlanactive_gpio = ATH_WLANACTIVE_GPIO;
+		btcoex_hw->btactive_gpio = ATH_BTACTIVE_GPIO;
+		btcoex_hw->wlanactive_gpio = ATH_WLANACTIVE_GPIO;
 
 		if (AR_SREV_9285(ah)) {
-			btcoex_info->scheme = ATH_BTCOEX_CFG_3WIRE;
-			btcoex_info->btpriority_gpio = ATH_BTPRIORITY_GPIO;
+			btcoex_hw->scheme = ATH_BTCOEX_CFG_3WIRE;
+			btcoex_hw->btpriority_gpio = ATH_BTPRIORITY_GPIO;
 		} else {
-			btcoex_info->scheme = ATH_BTCOEX_CFG_2WIRE;
+			btcoex_hw->scheme = ATH_BTCOEX_CFG_2WIRE;
 		}
 	} else {
-		btcoex_info->scheme = ATH_BTCOEX_CFG_NONE;
+		btcoex_hw->scheme = ATH_BTCOEX_CFG_NONE;
 	}
 }
 
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index b244225ca05..4d187aa8b8d 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -555,7 +555,7 @@ struct ath_hw {
 	enum ath9k_ani_cmd ani_function;
 
 	/* Bluetooth coexistance */
-	struct ath_btcoex_info btcoex_info;
+	struct ath_btcoex_hw btcoex_hw;
 
 	u32 intr_txqs;
 	enum ath9k_ht_extprotspacing extprotspacing;
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 3d0eb68c863..a096e4c8e49 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -443,7 +443,7 @@ void ath_update_chainmask(struct ath_softc *sc, int is_ht)
 	struct ath_hw *ah = sc->sc_ah;
 
 	if ((sc->sc_flags & SC_OP_SCANNING) || is_ht ||
-	    (ah->btcoex_info.scheme != ATH_BTCOEX_CFG_NONE)) {
+	    (ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE)) {
 		sc->tx_chainmask = sc->sc_ah->caps.tx_chainmask;
 		sc->rx_chainmask = sc->sc_ah->caps.rx_chainmask;
 	} else {
@@ -511,7 +511,7 @@ static void ath9k_tasklet(unsigned long data)
 		sc->sc_flags |= SC_OP_WAIT_FOR_BEACON | SC_OP_BEACON_SYNC;
 	}
 
-	if (ah->btcoex_info.scheme == ATH_BTCOEX_CFG_3WIRE)
+	if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE)
 		if (status & ATH9K_INT_GENTIMER)
 			ath_gen_timer_isr(sc->sc_ah);
 
@@ -1287,7 +1287,7 @@ void ath_detach(struct ath_softc *sc)
 			ath_tx_cleanupq(sc, &sc->tx.txq[i]);
 
 	if ((sc->btcoex.no_stomp_timer) &&
-	    ah->btcoex_info.scheme == ATH_BTCOEX_CFG_3WIRE)
+	    ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE)
 		ath_gen_timer_free(ah, sc->btcoex.no_stomp_timer);
 
 	ath9k_hw_detach(ah);
@@ -1314,7 +1314,7 @@ static void ath_detect_bt_priority(struct ath_softc *sc)
 	struct ath_btcoex *btcoex = &sc->btcoex;
 	struct ath_hw *ah = sc->sc_ah;
 
-	if (ath9k_hw_gpio_get(sc->sc_ah, ah->btcoex_info.btpriority_gpio))
+	if (ath9k_hw_gpio_get(sc->sc_ah, ah->btcoex_hw.btpriority_gpio))
 		btcoex->bt_priority_cnt++;
 
 	if (time_after(jiffies, btcoex->bt_priority_time +
@@ -1332,17 +1332,17 @@ static void ath_detect_bt_priority(struct ath_softc *sc)
 	}
 }
 
-static void ath_btcoex_set_weight(struct ath_btcoex_info *btcoex_info,
+static void ath_btcoex_set_weight(struct ath_btcoex_hw *btcoex_hw,
 				  u32 bt_weight,
 				  u32 wlan_weight)
 {
-	btcoex_info->bt_coex_weights = SM(bt_weight, AR_BTCOEX_BT_WGHT) |
+	btcoex_hw->bt_coex_weights = SM(bt_weight, AR_BTCOEX_BT_WGHT) |
 				       SM(wlan_weight, AR_BTCOEX_WL_WGHT);
 }
 
 static void ath9k_hw_btcoex_init_weight(struct ath_hw *ah)
 {
-	ath_btcoex_set_weight(&ah->btcoex_info, AR_BT_COEX_WGHT,
+	ath_btcoex_set_weight(&ah->btcoex_hw, AR_BT_COEX_WGHT,
 			      AR_STOMP_LOW_WLAN_WGHT);
 }
 
@@ -1350,21 +1350,21 @@ static void ath9k_hw_btcoex_init_weight(struct ath_hw *ah)
  * Configures appropriate weight based on stomp type.
  */
 static void ath_btcoex_bt_stomp(struct ath_softc *sc,
-				struct ath_btcoex_info *btinfo,
+				struct ath_btcoex_hw *btcoex_hw,
 				int stomp_type)
 {
 
 	switch (stomp_type) {
 	case ATH_BTCOEX_STOMP_ALL:
-		ath_btcoex_set_weight(btinfo, AR_BT_COEX_WGHT,
+		ath_btcoex_set_weight(btcoex_hw, AR_BT_COEX_WGHT,
 				      AR_STOMP_ALL_WLAN_WGHT);
 		break;
 	case ATH_BTCOEX_STOMP_LOW:
-		ath_btcoex_set_weight(btinfo, AR_BT_COEX_WGHT,
+		ath_btcoex_set_weight(btcoex_hw, AR_BT_COEX_WGHT,
 				      AR_STOMP_LOW_WLAN_WGHT);
 		break;
 	case ATH_BTCOEX_STOMP_NONE:
-		ath_btcoex_set_weight(btinfo, AR_BT_COEX_WGHT,
+		ath_btcoex_set_weight(btcoex_hw, AR_BT_COEX_WGHT,
 				      AR_STOMP_NONE_WLAN_WGHT);
 		break;
 	default:
@@ -1385,13 +1385,13 @@ static void ath_btcoex_period_timer(unsigned long data)
 	struct ath_softc *sc = (struct ath_softc *) data;
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath_btcoex *btcoex = &sc->btcoex;
-	struct ath_btcoex_info *btinfo = &ah->btcoex_info;
+	struct ath_btcoex_hw *btcoex_hw= &ah->btcoex_hw;
 
 	ath_detect_bt_priority(sc);
 
 	spin_lock_bh(&btcoex->btcoex_lock);
 
-	ath_btcoex_bt_stomp(sc, btinfo, btcoex->bt_stomp_type);
+	ath_btcoex_bt_stomp(sc, btcoex_hw, btcoex->bt_stomp_type);
 
 	spin_unlock_bh(&btcoex->btcoex_lock);
 
@@ -1420,16 +1420,16 @@ static void ath_btcoex_no_stomp_timer(void *arg)
 	struct ath_softc *sc = (struct ath_softc *)arg;
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath_btcoex *btcoex = &sc->btcoex;
-	struct ath_btcoex_info *btinfo = &ah->btcoex_info;
+	struct ath_btcoex_hw *btcoex_hw= &ah->btcoex_hw;
 
 	DPRINTF(ah, ATH_DBG_BTCOEX, "no stomp timer running \n");
 
 	spin_lock_bh(&btcoex->btcoex_lock);
 
 	if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_LOW)
-		ath_btcoex_bt_stomp(sc, btinfo, ATH_BTCOEX_STOMP_NONE);
+		ath_btcoex_bt_stomp(sc, btcoex_hw, ATH_BTCOEX_STOMP_NONE);
 	 else if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_ALL)
-		ath_btcoex_bt_stomp(sc, btinfo, ATH_BTCOEX_STOMP_LOW);
+		ath_btcoex_bt_stomp(sc, btcoex_hw, ATH_BTCOEX_STOMP_LOW);
 
 	spin_unlock_bh(&btcoex->btcoex_lock);
 }
@@ -1674,7 +1674,7 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
 			ARRAY_SIZE(ath9k_5ghz_chantable);
 	}
 
-	switch (ah->btcoex_info.scheme) {
+	switch (ah->btcoex_hw.scheme) {
 	case ATH_BTCOEX_CFG_NONE:
 		break;
 	case ATH_BTCOEX_CFG_2WIRE:
@@ -1686,7 +1686,7 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
 		if (r)
 			goto bad2;
 		qnum = ath_tx_get_qnum(sc, ATH9K_TX_QUEUE_DATA, ATH9K_WME_AC_BE);
-		ath9k_hw_init_btcoex_hw_info(ah, qnum);
+		ath9k_hw_init_btcoex_hw(ah, qnum);
 		sc->btcoex.bt_stomp_type = ATH_BTCOEX_STOMP_LOW;
 		break;
 	default:
@@ -2199,13 +2199,13 @@ static int ath9k_start(struct ieee80211_hw *hw)
 
 	ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0);
 
-	if ((ah->btcoex_info.scheme != ATH_BTCOEX_CFG_NONE) &&
-	    !ah->btcoex_info.enabled) {
+	if ((ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE) &&
+	    !ah->btcoex_hw.enabled) {
 		ath9k_hw_btcoex_init_weight(ah);
 		ath9k_hw_btcoex_enable(ah);
 
 		ath_pcie_aspm_disable(sc);
-		if (ah->btcoex_info.scheme == ATH_BTCOEX_CFG_3WIRE)
+		if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE)
 			ath9k_btcoex_timer_resume(sc);
 	}
 
@@ -2359,9 +2359,9 @@ static void ath9k_stop(struct ieee80211_hw *hw)
 		return; /* another wiphy still in use */
 	}
 
-	if (ah->btcoex_info.enabled) {
+	if (ah->btcoex_hw.enabled) {
 		ath9k_hw_btcoex_disable(ah);
-		if (ah->btcoex_info.scheme == ATH_BTCOEX_CFG_3WIRE)
+		if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE)
 			ath9k_btcoex_timer_pause(sc);
 	}
 
-- 
GitLab


From 269ad8120b2e1f01a7bcea4bdb175142a0e62171 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 9 Sep 2009 15:05:00 -0700
Subject: [PATCH 0066/1815] ath9k: simplify ath_btcoex_bt_stomp()

The second argument is always the hardware bt coex struct, so
remove it, and rename the function on the path with a ath9k_ prefix.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/main.c | 43 +++++++++++++--------------
 1 file changed, 21 insertions(+), 22 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index a096e4c8e49..0788a272441 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1332,47 +1332,48 @@ static void ath_detect_bt_priority(struct ath_softc *sc)
 	}
 }
 
-static void ath_btcoex_set_weight(struct ath_btcoex_hw *btcoex_hw,
-				  u32 bt_weight,
-				  u32 wlan_weight)
+static void ath9k_hw_btcoex_set_weight(struct ath_hw *ah,
+				       u32 bt_weight,
+				       u32 wlan_weight)
 {
+	struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
+
 	btcoex_hw->bt_coex_weights = SM(bt_weight, AR_BTCOEX_BT_WGHT) |
-				       SM(wlan_weight, AR_BTCOEX_WL_WGHT);
+				     SM(wlan_weight, AR_BTCOEX_WL_WGHT);
 }
 
 static void ath9k_hw_btcoex_init_weight(struct ath_hw *ah)
 {
-	ath_btcoex_set_weight(&ah->btcoex_hw, AR_BT_COEX_WGHT,
-			      AR_STOMP_LOW_WLAN_WGHT);
+	ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT, AR_STOMP_LOW_WLAN_WGHT);
 }
 
 /*
  * Configures appropriate weight based on stomp type.
  */
-static void ath_btcoex_bt_stomp(struct ath_softc *sc,
-				struct ath_btcoex_hw *btcoex_hw,
-				int stomp_type)
+static void ath9k_btcoex_bt_stomp(struct ath_softc *sc,
+				  enum ath_stomp_type stomp_type)
 {
+	struct ath_hw *ah = sc->sc_ah;
 
 	switch (stomp_type) {
 	case ATH_BTCOEX_STOMP_ALL:
-		ath_btcoex_set_weight(btcoex_hw, AR_BT_COEX_WGHT,
-				      AR_STOMP_ALL_WLAN_WGHT);
+		ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
+					   AR_STOMP_ALL_WLAN_WGHT);
 		break;
 	case ATH_BTCOEX_STOMP_LOW:
-		ath_btcoex_set_weight(btcoex_hw, AR_BT_COEX_WGHT,
-				      AR_STOMP_LOW_WLAN_WGHT);
+		ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
+					   AR_STOMP_LOW_WLAN_WGHT);
 		break;
 	case ATH_BTCOEX_STOMP_NONE:
-		ath_btcoex_set_weight(btcoex_hw, AR_BT_COEX_WGHT,
-				      AR_STOMP_NONE_WLAN_WGHT);
+		ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
+					   AR_STOMP_NONE_WLAN_WGHT);
 		break;
 	default:
-		DPRINTF(sc->sc_ah, ATH_DBG_BTCOEX, "Invalid Stomptype\n");
+		DPRINTF(ah, ATH_DBG_BTCOEX, "Invalid Stomptype\n");
 		break;
 	}
 
-	ath9k_hw_btcoex_enable(sc->sc_ah);
+	ath9k_hw_btcoex_enable(ah);
 }
 
 /*
@@ -1385,13 +1386,12 @@ static void ath_btcoex_period_timer(unsigned long data)
 	struct ath_softc *sc = (struct ath_softc *) data;
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath_btcoex *btcoex = &sc->btcoex;
-	struct ath_btcoex_hw *btcoex_hw= &ah->btcoex_hw;
 
 	ath_detect_bt_priority(sc);
 
 	spin_lock_bh(&btcoex->btcoex_lock);
 
-	ath_btcoex_bt_stomp(sc, btcoex_hw, btcoex->bt_stomp_type);
+	ath9k_btcoex_bt_stomp(sc, btcoex->bt_stomp_type);
 
 	spin_unlock_bh(&btcoex->btcoex_lock);
 
@@ -1420,16 +1420,15 @@ static void ath_btcoex_no_stomp_timer(void *arg)
 	struct ath_softc *sc = (struct ath_softc *)arg;
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath_btcoex *btcoex = &sc->btcoex;
-	struct ath_btcoex_hw *btcoex_hw= &ah->btcoex_hw;
 
 	DPRINTF(ah, ATH_DBG_BTCOEX, "no stomp timer running \n");
 
 	spin_lock_bh(&btcoex->btcoex_lock);
 
 	if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_LOW)
-		ath_btcoex_bt_stomp(sc, btcoex_hw, ATH_BTCOEX_STOMP_NONE);
+		ath9k_btcoex_bt_stomp(sc, ATH_BTCOEX_STOMP_NONE);
 	 else if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_ALL)
-		ath_btcoex_bt_stomp(sc, btcoex_hw, ATH_BTCOEX_STOMP_LOW);
+		ath9k_btcoex_bt_stomp(sc, ATH_BTCOEX_STOMP_LOW);
 
 	spin_unlock_bh(&btcoex->btcoex_lock);
 }
-- 
GitLab


From 5e1972929532bfc3a26b1782c8551d3c56306ffd Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 9 Sep 2009 15:15:55 -0700
Subject: [PATCH 0067/1815] ath9k: now move ath9k_hw_btcoex_set_weight() to
 btcoex.c

After some necessary cleanups we now move ath9k_hw_btcoex_set_weight()
to where it belongs.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/btcoex.c | 10 ++++++++++
 drivers/net/wireless/ath/ath9k/btcoex.h |  3 +++
 drivers/net/wireless/ath/ath9k/main.c   | 18 ++----------------
 3 files changed, 15 insertions(+), 16 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c
index 0b5a7d4a6d5..4cca023647f 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.c
+++ b/drivers/net/wireless/ath/ath9k/btcoex.c
@@ -124,6 +124,16 @@ static void ath9k_hw_btcoex_enable_2wire(struct ath_hw *ah)
 			    AR_GPIO_OUTPUT_MUX_AS_TX_FRAME);
 }
 
+void ath9k_hw_btcoex_set_weight(struct ath_hw *ah,
+				u32 bt_weight,
+				u32 wlan_weight)
+{
+	struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
+
+	btcoex_hw->bt_coex_weights = SM(bt_weight, AR_BTCOEX_BT_WGHT) |
+				     SM(wlan_weight, AR_BTCOEX_WL_WGHT);
+}
+
 static void ath9k_hw_btcoex_enable_3wire(struct ath_hw *ah)
 {
 	struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.h b/drivers/net/wireless/ath/ath9k/btcoex.h
index 296ddd8ce81..971d20065b4 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.h
+++ b/drivers/net/wireless/ath/ath9k/btcoex.h
@@ -70,6 +70,9 @@ bool ath_btcoex_supported(u16 subsysid);
 void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah);
 void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah);
 void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum);
+void ath9k_hw_btcoex_set_weight(struct ath_hw *ah,
+				u32 bt_weight,
+				u32 wlan_weight);
 void ath9k_hw_btcoex_enable(struct ath_hw *ah);
 void ath9k_hw_btcoex_disable(struct ath_hw *ah);
 
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 0788a272441..42772d25491 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1332,21 +1332,6 @@ static void ath_detect_bt_priority(struct ath_softc *sc)
 	}
 }
 
-static void ath9k_hw_btcoex_set_weight(struct ath_hw *ah,
-				       u32 bt_weight,
-				       u32 wlan_weight)
-{
-	struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
-
-	btcoex_hw->bt_coex_weights = SM(bt_weight, AR_BTCOEX_BT_WGHT) |
-				     SM(wlan_weight, AR_BTCOEX_WL_WGHT);
-}
-
-static void ath9k_hw_btcoex_init_weight(struct ath_hw *ah)
-{
-	ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT, AR_STOMP_LOW_WLAN_WGHT);
-}
-
 /*
  * Configures appropriate weight based on stomp type.
  */
@@ -2200,7 +2185,8 @@ static int ath9k_start(struct ieee80211_hw *hw)
 
 	if ((ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE) &&
 	    !ah->btcoex_hw.enabled) {
-		ath9k_hw_btcoex_init_weight(ah);
+		ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
+					   AR_STOMP_LOW_WLAN_WGHT);
 		ath9k_hw_btcoex_enable(ah);
 
 		ath_pcie_aspm_disable(sc);
-- 
GitLab


From 8b4fc5ba896cd1b73c598d07fc51224abbfe8cdb Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 9 Sep 2009 15:24:02 -0700
Subject: [PATCH 0068/1815] ath9k: move ath_btcoex_config and ath_bt_mode to
 btcoex.c

These are only used by btcoex.c on one routine, so stuff them
into that file.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/btcoex.c | 31 +++++++++++++++++++++++--
 drivers/net/wireless/ath/ath9k/btcoex.h | 20 ----------------
 2 files changed, 29 insertions(+), 22 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c
index 4cca023647f..ee2a8349123 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.c
+++ b/drivers/net/wireless/ath/ath9k/btcoex.c
@@ -16,8 +16,24 @@
 
 #include "ath9k.h"
 
-static const struct ath_btcoex_config ath_bt_config = { 0, true, true,
-			ATH_BT_COEX_MODE_SLOTTED, true, true, 2, 5, true };
+enum ath_bt_mode {
+	ATH_BT_COEX_MODE_LEGACY,        /* legacy rx_clear mode */
+	ATH_BT_COEX_MODE_UNSLOTTED,     /* untimed/unslotted mode */
+	ATH_BT_COEX_MODE_SLOTTED,       /* slotted mode */
+	ATH_BT_COEX_MODE_DISALBED,      /* coexistence disabled */
+};
+
+struct ath_btcoex_config {
+	u8 bt_time_extend;
+	bool bt_txstate_extend;
+	bool bt_txframe_extend;
+	enum ath_bt_mode bt_mode; /* coexistence mode */
+	bool bt_quiet_collision;
+	bool bt_rxclear_polarity; /* invert rx_clear as WLAN_ACTIVE*/
+	u8 bt_priority_time;
+	u8 bt_first_slot_time;
+	bool bt_hold_rx_clear;
+};
 
 static const u16 ath_subsysid_tbl[] = {
 	AR9280_COEX2WIRE_SUBSYSID,
@@ -46,6 +62,17 @@ bool ath_btcoex_supported(u16 subsysid)
 void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum)
 {
 	struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
+	const struct ath_btcoex_config ath_bt_config = {
+		.bt_time_extend = 0,
+		.bt_txstate_extend = true,
+		.bt_txframe_extend = true,
+		.bt_mode = ATH_BT_COEX_MODE_SLOTTED,
+		.bt_quiet_collision = true,
+		.bt_rxclear_polarity = true,
+		.bt_priority_time = 2,
+		.bt_first_slot_time = 5,
+		.bt_hold_rx_clear = true,
+	};
 	u32 i;
 
 	btcoex_hw->bt_coex_mode =
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.h b/drivers/net/wireless/ath/ath9k/btcoex.h
index 971d20065b4..0dc51202d45 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.h
+++ b/drivers/net/wireless/ath/ath9k/btcoex.h
@@ -36,25 +36,6 @@ enum ath_btcoex_scheme {
 	ATH_BTCOEX_CFG_3WIRE,
 };
 
-enum ath_bt_mode {
-	ATH_BT_COEX_MODE_LEGACY,	/* legacy rx_clear mode */
-	ATH_BT_COEX_MODE_UNSLOTTED,	/* untimed/unslotted mode */
-	ATH_BT_COEX_MODE_SLOTTED,	/* slotted mode */
-	ATH_BT_COEX_MODE_DISALBED,	/* coexistence disabled */
-};
-
-struct ath_btcoex_config {
-	u8 bt_time_extend;
-	bool bt_txstate_extend;
-	bool bt_txframe_extend;
-	enum ath_bt_mode bt_mode; /* coexistence mode */
-	bool bt_quiet_collision;
-	bool bt_rxclear_polarity; /* invert rx_clear as WLAN_ACTIVE*/
-	u8 bt_priority_time;
-	u8 bt_first_slot_time;
-	bool bt_hold_rx_clear;
-};
-
 struct ath_btcoex_hw {
 	enum ath_btcoex_scheme scheme;
 	bool enabled;
@@ -76,5 +57,4 @@ void ath9k_hw_btcoex_set_weight(struct ath_hw *ah,
 void ath9k_hw_btcoex_enable(struct ath_hw *ah);
 void ath9k_hw_btcoex_disable(struct ath_hw *ah);
 
-
 #endif
-- 
GitLab


From a36cfbca21d0acbab0840337f0b59ea58f415e50 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 9 Sep 2009 16:05:32 -0700
Subject: [PATCH 0069/1815] ath9k: rename ath_btcoex_supported() to
 ath9k_hw_btcoex_supported()

Also just pass the ath_hw as the parameter.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/btcoex.c | 6 +++---
 drivers/net/wireless/ath/ath9k/btcoex.h | 2 +-
 drivers/net/wireless/ath/ath9k/hw.c     | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c
index ee2a8349123..5d1095f18d7 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.c
+++ b/drivers/net/wireless/ath/ath9k/btcoex.c
@@ -45,15 +45,15 @@ static const u16 ath_subsysid_tbl[] = {
  * Checks the subsystem id of the device to see if it
  * supports btcoex
  */
-bool ath_btcoex_supported(u16 subsysid)
+bool ath9k_hw_btcoex_supported(struct ath_hw *ah)
 {
 	int i;
 
-	if (!subsysid)
+	if (!ah->hw_version.subsysid)
 		return false;
 
 	for (i = 0; i < ARRAY_SIZE(ath_subsysid_tbl); i++)
-		if (subsysid == ath_subsysid_tbl[i])
+		if (ah->hw_version.subsysid == ath_subsysid_tbl[i])
 			return true;
 
 	return false;
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.h b/drivers/net/wireless/ath/ath9k/btcoex.h
index 0dc51202d45..1ba31a73317 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.h
+++ b/drivers/net/wireless/ath/ath9k/btcoex.h
@@ -47,7 +47,7 @@ struct ath_btcoex_hw {
 	u32 bt_coex_mode2; 	/* Register setting for AR_BT_COEX_MODE2 */
 };
 
-bool ath_btcoex_supported(u16 subsysid);
+bool ath9k_hw_btcoex_supported(struct ath_hw *ah);
 void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah);
 void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah);
 void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum);
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 93b3258190c..de83d3c4b46 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -3728,7 +3728,7 @@ void ath9k_hw_fill_cap_info(struct ath_hw *ah)
 		ah->eep_ops->get_num_ant_config(ah, ATH9K_HAL_FREQ_BAND_2GHZ);
 
 	if (AR_SREV_9280_10_OR_LATER(ah) &&
-	    ath_btcoex_supported(ah->hw_version.subsysid)) {
+	    ath9k_hw_btcoex_supported(ah)) {
 		btcoex_hw->btactive_gpio = ATH_BTACTIVE_GPIO;
 		btcoex_hw->wlanactive_gpio = ATH_WLANACTIVE_GPIO;
 
-- 
GitLab


From 21526d57ad98635fe12dc8efe46a3d992439a443 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 9 Sep 2009 20:05:39 -0700
Subject: [PATCH 0070/1815] ath9k: move ps helpers onto core driver when
 reseting tsf

When the TSF is reset power save state is disabled and
then restored. The helpers to disable power save and restore
it use a lock provided by the driver core. Move the callers
of the helpers outside of the hw code.

We reset the TSF when mac80211 tells us and on the beacon.c
helper ath9k_hw_beaconinit() when it is made explicitly required.
Add a helper on beacon.c which will deal with ps awake/restore
if we need to reset the TSF upon ath9k_hw_beaconinit().

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/beacon.c | 17 +++++++++++++++--
 drivers/net/wireless/ath/ath9k/hw.c     |  2 --
 drivers/net/wireless/ath/ath9k/main.c   |  4 ++++
 3 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index 6e7a519d0a9..fb4ff551236 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -502,6 +502,19 @@ void ath_beacon_tasklet(unsigned long data)
 	}
 }
 
+static void ath9k_beacon_init(struct ath_softc *sc,
+			      u32 next_beacon,
+			      u32 beacon_period)
+{
+	if (beacon_period & ATH9K_BEACON_RESET_TSF)
+		ath9k_ps_wakeup(sc);
+
+	ath9k_hw_beaconinit(sc->sc_ah, next_beacon, beacon_period);
+
+	if (beacon_period & ATH9K_BEACON_RESET_TSF)
+		ath9k_ps_restore(sc);
+}
+
 /*
  * For multi-bss ap support beacons are either staggered evenly over N slots or
  * burst together.  For the former arrange for the SWBA to be delivered for each
@@ -534,7 +547,7 @@ static void ath_beacon_config_ap(struct ath_softc *sc,
 	/* Set the computed AP beacon timers */
 
 	ath9k_hw_set_interrupts(sc->sc_ah, 0);
-	ath9k_hw_beaconinit(sc->sc_ah, nexttbtt, intval);
+	ath9k_beacon_init(sc, nexttbtt, intval);
 	sc->beacon.bmisscnt = 0;
 	ath9k_hw_set_interrupts(sc->sc_ah, sc->imask);
 
@@ -707,7 +720,7 @@ static void ath_beacon_config_adhoc(struct ath_softc *sc,
 	/* Set the computed ADHOC beacon timers */
 
 	ath9k_hw_set_interrupts(sc->sc_ah, 0);
-	ath9k_hw_beaconinit(sc->sc_ah, nexttbtt, intval);
+	ath9k_beacon_init(sc, nexttbtt, intval);
 	sc->beacon.bmisscnt = 0;
 	ath9k_hw_set_interrupts(sc->sc_ah, sc->imask);
 
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index de83d3c4b46..0893f23adaa 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -4101,14 +4101,12 @@ void ath9k_hw_settsf64(struct ath_hw *ah, u64 tsf64)
 
 void ath9k_hw_reset_tsf(struct ath_hw *ah)
 {
-	ath9k_ps_wakeup(ah->ah_sc);
 	if (!ath9k_hw_wait(ah, AR_SLP32_MODE, AR_SLP32_TSF_WRITE_STATUS, 0,
 			   AH_TSF_WRITE_TIMEOUT))
 		DPRINTF(ah, ATH_DBG_RESET,
 			"AR_SLP32_TSF_WRITE_STATUS limit exceeded\n");
 
 	REG_WRITE(ah, AR_RESET_TSF, AR_RESET_TSF_ONCE);
-	ath9k_ps_restore(ah->ah_sc);
 }
 
 void ath9k_hw_set_tsfadjust(struct ath_hw *ah, u32 setting)
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 42772d25491..fe2888e4b8e 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -2893,7 +2893,11 @@ static void ath9k_reset_tsf(struct ieee80211_hw *hw)
 	struct ath_softc *sc = aphy->sc;
 
 	mutex_lock(&sc->mutex);
+
+	ath9k_ps_wakeup(sc);
 	ath9k_hw_reset_tsf(sc->sc_ah);
+	ath9k_ps_restore(sc);
+
 	mutex_unlock(&sc->mutex);
 }
 
-- 
GitLab


From a91d75aec19d8d23c7c543dd4bc0e394e1d46867 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 9 Sep 2009 20:29:18 -0700
Subject: [PATCH 0071/1815] ath9k: move ath9k_ps_wakeup() and
 ath9k_ps_restore() to main.c

These are driver core helpers.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.c   | 36 +--------------------------
 drivers/net/wireless/ath/ath9k/hw.h   |  6 +++--
 drivers/net/wireless/ath/ath9k/main.c | 33 ++++++++++++++++++++++++
 3 files changed, 38 insertions(+), 37 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 0893f23adaa..82c91e5883d 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2932,8 +2932,7 @@ static bool ath9k_hw_set_power_awake(struct ath_hw *ah, int setChip)
 	return true;
 }
 
-static bool ath9k_hw_setpower_nolock(struct ath_hw *ah,
-				     enum ath9k_power_mode mode)
+bool ath9k_hw_setpower_nolock(struct ath_hw *ah, enum ath9k_power_mode mode)
 {
 	int status = true, setChip = true;
 	static const char *modes[] = {
@@ -2982,39 +2981,6 @@ bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode)
 	return ret;
 }
 
-void ath9k_ps_wakeup(struct ath_softc *sc)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&sc->sc_pm_lock, flags);
-	if (++sc->ps_usecount != 1)
-		goto unlock;
-
-	ath9k_hw_setpower_nolock(sc->sc_ah, ATH9K_PM_AWAKE);
-
- unlock:
-	spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
-}
-
-void ath9k_ps_restore(struct ath_softc *sc)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&sc->sc_pm_lock, flags);
-	if (--sc->ps_usecount != 0)
-		goto unlock;
-
-	if (sc->ps_enabled &&
-	    !(sc->sc_flags & (SC_OP_WAIT_FOR_BEACON |
-			      SC_OP_WAIT_FOR_CAB |
-			      SC_OP_WAIT_FOR_PSPOLL_DATA |
-			      SC_OP_WAIT_FOR_TX_ACK)))
-		ath9k_hw_setpower_nolock(sc->sc_ah, ATH9K_PM_NETWORK_SLEEP);
-
- unlock:
-	spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
-}
-
 /*
  * Helper for ASPM support.
  *
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 4d187aa8b8d..01a127b0172 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -652,8 +652,10 @@ void ath9k_hw_set11nmac2040(struct ath_hw *ah, enum ath9k_ht_macmode mode);
 void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period);
 void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,
 				    const struct ath9k_beacon_state *bs);
-bool ath9k_hw_setpower(struct ath_hw *ah,
-		       enum ath9k_power_mode mode);
+
+bool ath9k_hw_setpower_nolock(struct ath_hw *ah, enum ath9k_power_mode mode);
+bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode);
+
 void ath9k_hw_configpcipowersave(struct ath_hw *ah, int restore, int power_off);
 
 /* Interrupt Handling */
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index fe2888e4b8e..9f9ac5b52ac 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -243,6 +243,39 @@ static struct ath9k_channel *ath_get_curchannel(struct ath_softc *sc,
 	return channel;
 }
 
+void ath9k_ps_wakeup(struct ath_softc *sc)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&sc->sc_pm_lock, flags);
+	if (++sc->ps_usecount != 1)
+		goto unlock;
+
+	ath9k_hw_setpower_nolock(sc->sc_ah, ATH9K_PM_AWAKE);
+
+ unlock:
+	spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
+}
+
+void ath9k_ps_restore(struct ath_softc *sc)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&sc->sc_pm_lock, flags);
+	if (--sc->ps_usecount != 0)
+		goto unlock;
+
+	if (sc->ps_enabled &&
+	    !(sc->sc_flags & (SC_OP_WAIT_FOR_BEACON |
+			      SC_OP_WAIT_FOR_CAB |
+			      SC_OP_WAIT_FOR_PSPOLL_DATA |
+			      SC_OP_WAIT_FOR_TX_ACK)))
+		ath9k_hw_setpower_nolock(sc->sc_ah, ATH9K_PM_NETWORK_SLEEP);
+
+ unlock:
+	spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
+}
+
 /*
  * Set/change channels.  If the channel is really being changed, it's done
  * by reseting the chip.  To accomplish this we must first cleanup any pending
-- 
GitLab


From 1adc93c832726c9de4a43445c008a7f17549390b Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 9 Sep 2009 20:54:36 -0700
Subject: [PATCH 0072/1815] ath9k: avoid usage of ath9k_hw_setpower() on hw.c

ath9k_hw_setpower() is a core driver helper with locking
protection. Locking protection should be left to the driver
core, not the hw code. Hardware code no longer contends for
locking when it needs to wake up the chip or put it to sleep.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 82c91e5883d..910726203ec 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -919,7 +919,7 @@ int ath9k_hw_init(struct ath_hw *ah)
 		return -EIO;
 	}
 
-	if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) {
+	if (!ath9k_hw_setpower_nolock(ah, ATH9K_PM_AWAKE)) {
 		DPRINTF(ah, ATH_DBG_FATAL, "Couldn't wakeup chip\n");
 		return -EIO;
 	}
@@ -1234,7 +1234,7 @@ void ath9k_hw_detach(struct ath_hw *ah)
 		ath9k_hw_ani_disable(ah);
 
 	ath9k_hw_rf_free(ah);
-	ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP);
+	ath9k_hw_setpower_nolock(ah, ATH9K_PM_FULL_SLEEP);
 	kfree(ah);
 	ah = NULL;
 }
@@ -1800,7 +1800,7 @@ static bool ath9k_hw_chip_reset(struct ath_hw *ah,
 	} else if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM))
 		return false;
 
-	if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
+	if (!ath9k_hw_setpower_nolock(ah, ATH9K_PM_AWAKE))
 		return false;
 
 	ah->chip_fullsleep = false;
@@ -2355,7 +2355,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 	ah->txchainmask = sc->tx_chainmask;
 	ah->rxchainmask = sc->rx_chainmask;
 
-	if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
+	if (!ath9k_hw_setpower_nolock(ah, ATH9K_PM_AWAKE))
 		return -EIO;
 
 	if (curchan && !ah->chip_fullsleep)
@@ -3998,7 +3998,7 @@ bool ath9k_hw_phy_disable(struct ath_hw *ah)
 
 bool ath9k_hw_disable(struct ath_hw *ah)
 {
-	if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
+	if (!ath9k_hw_setpower_nolock(ah, ATH9K_PM_AWAKE))
 		return false;
 
 	return ath9k_hw_set_reset_reg(ah, ATH9K_RESET_COLD);
-- 
GitLab


From 8c77a5694cd31eb2291948dd1bfe700a199be8e7 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 9 Sep 2009 21:02:34 -0700
Subject: [PATCH 0073/1815] ath9k: move ath9k_hw_setpower() to main.c

And we make it static.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.c   | 12 ------------
 drivers/net/wireless/ath/ath9k/hw.h   |  1 -
 drivers/net/wireless/ath/ath9k/main.c | 12 ++++++++++++
 3 files changed, 12 insertions(+), 13 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 910726203ec..e71fe24cd3d 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2969,18 +2969,6 @@ bool ath9k_hw_setpower_nolock(struct ath_hw *ah, enum ath9k_power_mode mode)
 	return status;
 }
 
-bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode)
-{
-	unsigned long flags;
-	bool ret;
-
-	spin_lock_irqsave(&ah->ah_sc->sc_pm_lock, flags);
-	ret = ath9k_hw_setpower_nolock(ah, mode);
-	spin_unlock_irqrestore(&ah->ah_sc->sc_pm_lock, flags);
-
-	return ret;
-}
-
 /*
  * Helper for ASPM support.
  *
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 01a127b0172..05e4f8bc566 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -654,7 +654,6 @@ void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,
 				    const struct ath9k_beacon_state *bs);
 
 bool ath9k_hw_setpower_nolock(struct ath_hw *ah, enum ath9k_power_mode mode);
-bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode);
 
 void ath9k_hw_configpcipowersave(struct ath_hw *ah, int restore, int power_off);
 
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 9f9ac5b52ac..d0637a65f9a 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -243,6 +243,18 @@ static struct ath9k_channel *ath_get_curchannel(struct ath_softc *sc,
 	return channel;
 }
 
+static bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode)
+{
+	unsigned long flags;
+	bool ret;
+
+	spin_lock_irqsave(&ah->ah_sc->sc_pm_lock, flags);
+	ret = ath9k_hw_setpower_nolock(ah, mode);
+	spin_unlock_irqrestore(&ah->ah_sc->sc_pm_lock, flags);
+
+	return ret;
+}
+
 void ath9k_ps_wakeup(struct ath_softc *sc)
 {
 	unsigned long flags;
-- 
GitLab


From 9ecdef4be864fede4e5964abc82c8d7451288539 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 9 Sep 2009 21:10:09 -0700
Subject: [PATCH 0074/1815] ath9k: rename driver core and hw power save helpers

ath9k_hw_setpower_nolock --> ath9k_hw_setpower()
ath9k_hw_setpower() --> ath9k_setpower()

Also change the param for ath9k_setpower() to pass the ath_softc.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.c   | 12 ++++++------
 drivers/net/wireless/ath/ath9k/hw.h   |  2 +-
 drivers/net/wireless/ath/ath9k/main.c | 22 +++++++++++-----------
 3 files changed, 18 insertions(+), 18 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index e71fe24cd3d..cb352daf2dc 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -919,7 +919,7 @@ int ath9k_hw_init(struct ath_hw *ah)
 		return -EIO;
 	}
 
-	if (!ath9k_hw_setpower_nolock(ah, ATH9K_PM_AWAKE)) {
+	if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) {
 		DPRINTF(ah, ATH_DBG_FATAL, "Couldn't wakeup chip\n");
 		return -EIO;
 	}
@@ -1234,7 +1234,7 @@ void ath9k_hw_detach(struct ath_hw *ah)
 		ath9k_hw_ani_disable(ah);
 
 	ath9k_hw_rf_free(ah);
-	ath9k_hw_setpower_nolock(ah, ATH9K_PM_FULL_SLEEP);
+	ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP);
 	kfree(ah);
 	ah = NULL;
 }
@@ -1800,7 +1800,7 @@ static bool ath9k_hw_chip_reset(struct ath_hw *ah,
 	} else if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM))
 		return false;
 
-	if (!ath9k_hw_setpower_nolock(ah, ATH9K_PM_AWAKE))
+	if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
 		return false;
 
 	ah->chip_fullsleep = false;
@@ -2355,7 +2355,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 	ah->txchainmask = sc->tx_chainmask;
 	ah->rxchainmask = sc->rx_chainmask;
 
-	if (!ath9k_hw_setpower_nolock(ah, ATH9K_PM_AWAKE))
+	if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
 		return -EIO;
 
 	if (curchan && !ah->chip_fullsleep)
@@ -2932,7 +2932,7 @@ static bool ath9k_hw_set_power_awake(struct ath_hw *ah, int setChip)
 	return true;
 }
 
-bool ath9k_hw_setpower_nolock(struct ath_hw *ah, enum ath9k_power_mode mode)
+bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode)
 {
 	int status = true, setChip = true;
 	static const char *modes[] = {
@@ -3986,7 +3986,7 @@ bool ath9k_hw_phy_disable(struct ath_hw *ah)
 
 bool ath9k_hw_disable(struct ath_hw *ah)
 {
-	if (!ath9k_hw_setpower_nolock(ah, ATH9K_PM_AWAKE))
+	if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
 		return false;
 
 	return ath9k_hw_set_reset_reg(ah, ATH9K_RESET_COLD);
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 05e4f8bc566..2432edcabaf 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -653,7 +653,7 @@ void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period);
 void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,
 				    const struct ath9k_beacon_state *bs);
 
-bool ath9k_hw_setpower_nolock(struct ath_hw *ah, enum ath9k_power_mode mode);
+bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode);
 
 void ath9k_hw_configpcipowersave(struct ath_hw *ah, int restore, int power_off);
 
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index d0637a65f9a..216b72f9c85 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -243,14 +243,14 @@ static struct ath9k_channel *ath_get_curchannel(struct ath_softc *sc,
 	return channel;
 }
 
-static bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode)
+static bool ath9k_setpower(struct ath_softc *sc, enum ath9k_power_mode mode)
 {
 	unsigned long flags;
 	bool ret;
 
-	spin_lock_irqsave(&ah->ah_sc->sc_pm_lock, flags);
-	ret = ath9k_hw_setpower_nolock(ah, mode);
-	spin_unlock_irqrestore(&ah->ah_sc->sc_pm_lock, flags);
+	spin_lock_irqsave(&sc->sc_pm_lock, flags);
+	ret = ath9k_hw_setpower(sc->sc_ah, mode);
+	spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
 
 	return ret;
 }
@@ -263,7 +263,7 @@ void ath9k_ps_wakeup(struct ath_softc *sc)
 	if (++sc->ps_usecount != 1)
 		goto unlock;
 
-	ath9k_hw_setpower_nolock(sc->sc_ah, ATH9K_PM_AWAKE);
+	ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_AWAKE);
 
  unlock:
 	spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
@@ -282,7 +282,7 @@ void ath9k_ps_restore(struct ath_softc *sc)
 			      SC_OP_WAIT_FOR_CAB |
 			      SC_OP_WAIT_FOR_PSPOLL_DATA |
 			      SC_OP_WAIT_FOR_TX_ACK)))
-		ath9k_hw_setpower_nolock(sc->sc_ah, ATH9K_PM_NETWORK_SLEEP);
+		ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_NETWORK_SLEEP);
 
  unlock:
 	spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
@@ -652,7 +652,7 @@ irqreturn_t ath_isr(int irq, void *dev)
 		if (status & ATH9K_INT_TIM_TIMER) {
 			/* Clear RxAbort bit so that we can
 			 * receive frames */
-			ath9k_hw_setpower(ah, ATH9K_PM_AWAKE);
+			ath9k_setpower(sc, ATH9K_PM_AWAKE);
 			ath9k_hw_setrxabort(sc->sc_ah, 0);
 			sc->sc_flags |= SC_OP_WAIT_FOR_BEACON;
 		}
@@ -1254,7 +1254,7 @@ void ath_radio_disable(struct ath_softc *sc)
 	ath9k_hw_phy_disable(ah);
 	ath9k_hw_configpcipowersave(ah, 1, 1);
 	ath9k_ps_restore(sc);
-	ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP);
+	ath9k_setpower(sc, ATH9K_PM_FULL_SLEEP);
 }
 
 /*******************/
@@ -1324,7 +1324,7 @@ void ath_detach(struct ath_softc *sc)
 	tasklet_kill(&sc->bcon_tasklet);
 
 	if (!(sc->sc_flags & SC_OP_INVALID))
-		ath9k_hw_setpower(ah, ATH9K_PM_AWAKE);
+		ath9k_setpower(sc, ATH9K_PM_AWAKE);
 
 	/* cleanup tx queues */
 	for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
@@ -2409,7 +2409,7 @@ static void ath9k_stop(struct ieee80211_hw *hw)
 	/* disable HAL and put h/w to sleep */
 	ath9k_hw_disable(ah);
 	ath9k_hw_configpcipowersave(ah, 1, 1);
-	ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP);
+	ath9k_setpower(sc, ATH9K_PM_FULL_SLEEP);
 
 	sc->sc_flags |= SC_OP_INVALID;
 
@@ -2581,7 +2581,7 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
 			sc->ps_enabled = true;
 		} else {
 			sc->ps_enabled = false;
-			ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_AWAKE);
+			ath9k_setpower(sc, ATH9K_PM_AWAKE);
 			if (!(ah->caps.hw_caps &
 			      ATH9K_HW_CAP_AUTOSLEEP)) {
 				ath9k_hw_setrxabort(sc->sc_ah, 0);
-- 
GitLab


From 17753748e15eaf29c8db15c5c05b8dde5db6e64d Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 9 Sep 2009 22:19:26 -0700
Subject: [PATCH 0075/1815] ath: move ath_bcast_mac to common header

This is used by both ath5k and ath9k to set the first bssid mask.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath.h          | 2 ++
 drivers/net/wireless/ath/ath5k/attach.c | 2 +-
 drivers/net/wireless/ath/ath5k/base.c   | 2 +-
 drivers/net/wireless/ath/ath5k/pcu.c    | 2 +-
 drivers/net/wireless/ath/ath9k/ath9k.h  | 2 --
 5 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h
index a63e90cbf9e..59072e3820d 100644
--- a/drivers/net/wireless/ath/ath.h
+++ b/drivers/net/wireless/ath/ath.h
@@ -19,6 +19,8 @@
 
 #include <linux/skbuff.h>
 
+static const u8 ath_bcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+
 struct reg_dmn_pair_mapping {
 	u16 regDmnEnum;
 	u16 reg_5ghz_ctl;
diff --git a/drivers/net/wireless/ath/ath5k/attach.c b/drivers/net/wireless/ath/ath5k/attach.c
index 71a1bd25451..9a009a78a04 100644
--- a/drivers/net/wireless/ath/ath5k/attach.c
+++ b/drivers/net/wireless/ath/ath5k/attach.c
@@ -336,7 +336,7 @@ struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc)
 	ath5k_hw_set_lladdr(ah, (u8[ETH_ALEN]){});
 
 	/* Set BSSID to bcast address: ff:ff:ff:ff:ff:ff for now */
-	memset(ah->ah_bssid, 0xff, ETH_ALEN);
+	memcpy(ah->ah_bssid, ath_bcast_mac, ETH_ALEN);
 	ath5k_hw_set_associd(ah, ah->ah_bssid, 0);
 	ath5k_hw_set_opmode(ah);
 
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index 9c6ab5378f6..a28d79555df 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -815,7 +815,7 @@ ath5k_attach(struct pci_dev *pdev, struct ieee80211_hw *hw)
 
 	SET_IEEE80211_PERM_ADDR(hw, mac);
 	/* All MAC address bits matter for ACKs */
-	memset(sc->bssidmask, 0xff, ETH_ALEN);
+	memcpy(sc->bssidmask, ath_bcast_mac, ETH_ALEN);
 	ath5k_hw_set_bssid_mask(sc->ah, sc->bssidmask);
 
 	regulatory->current_rd = ah->ah_capabilities.cap_eeprom.ee_regdomain;
diff --git a/drivers/net/wireless/ath/ath5k/pcu.c b/drivers/net/wireless/ath/ath5k/pcu.c
index 2942f13c9c4..43aa3580661 100644
--- a/drivers/net/wireless/ath/ath5k/pcu.c
+++ b/drivers/net/wireless/ath/ath5k/pcu.c
@@ -365,7 +365,7 @@ void ath5k_hw_set_associd(struct ath5k_hw *ah, const u8 *bssid, u16 assoc_id)
  * assuming only 4 bits for a mac address and for BSSIDs you can then have:
  *
  *                  \
- * MAC:                0001 |
+ * MAC:        0001 |
  * BSSID-01:   0100 | --> Belongs to us
  * BSSID-02:   1001 |
  *                  /
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index d99c92d7b94..e54fac322bd 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -60,8 +60,6 @@ struct ath_node;
 
 #define	ATH_TXQ_SETUP(sc, i)        ((sc)->tx.txqsetup & (1<<i))
 
-static const u8 ath_bcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
-
 struct ath_config {
 	u32 ath_aggr_prot;
 	u16 txpowlimit;
-- 
GitLab


From bcd8f54a84ce99ade91c250a9bc850a9fd3389c1 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 9 Sep 2009 22:43:17 -0700
Subject: [PATCH 0076/1815] atheros: use get_unaligned_le*() for bssid mask
 setting

Historically some macro helpers have been users for this,
AR5K_LOW_ID() and AR5K_HIGH_ID(), use upstream unaligned
helpers instead. This applid to ath5k and ar9170. ath9k
already uses this.

Worth noting is ath5k uses an ah_sta_id but that is already
the MAC address combined with the associaiton ID, ah_sta_id
is really ETH_ALEN in size.

Cc: Bob Copeland <me@bobcopeland.com>
Cc: Nick Kossifidis <mick@madwifi-project.org>
Cc: Christian Lamparter <chunkeey@web.de>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ar9170/mac.c  | 10 +++----
 drivers/net/wireless/ath/ath.h         |  1 +
 drivers/net/wireless/ath/ath5k/ath5k.h |  7 -----
 drivers/net/wireless/ath/ath5k/pcu.c   | 36 +++++++++++++++-----------
 drivers/net/wireless/ath/ath5k/reset.c |  6 +++--
 5 files changed, 31 insertions(+), 29 deletions(-)

diff --git a/drivers/net/wireless/ath/ar9170/mac.c b/drivers/net/wireless/ath/ar9170/mac.c
index 614e3218a2b..0c6273a63d6 100644
--- a/drivers/net/wireless/ath/ar9170/mac.c
+++ b/drivers/net/wireless/ath/ar9170/mac.c
@@ -35,6 +35,9 @@
  *    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  *    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
+
+#include <asm/unaligned.h>
+
 #include "ar9170.h"
 #include "cmd.h"
 
@@ -227,11 +230,8 @@ static int ar9170_set_mac_reg(struct ar9170 *ar, const u32 reg, const u8 *mac)
 
 	ar9170_regwrite_begin(ar);
 
-	ar9170_regwrite(reg,
-			(mac[3] << 24) | (mac[2] << 16) |
-			(mac[1] << 8) | mac[0]);
-
-	ar9170_regwrite(reg + 4, (mac[5] << 8) | mac[4]);
+	ar9170_regwrite(reg, get_unaligned_le32(mac));
+	ar9170_regwrite(reg + 4, get_unaligned_le16(mac + 4));
 
 	ar9170_regwrite_finish();
 
diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h
index 59072e3820d..44f885a37c1 100644
--- a/drivers/net/wireless/ath/ath.h
+++ b/drivers/net/wireless/ath/ath.h
@@ -18,6 +18,7 @@
 #define ATH_H
 
 #include <linux/skbuff.h>
+#include <linux/if_ether.h>
 
 static const u8 ath_bcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 
diff --git a/drivers/net/wireless/ath/ath5k/ath5k.h b/drivers/net/wireless/ath/ath5k/ath5k.h
index 6cd5efcec41..93a9c1f93f6 100644
--- a/drivers/net/wireless/ath/ath5k/ath5k.h
+++ b/drivers/net/wireless/ath/ath5k/ath5k.h
@@ -165,13 +165,6 @@
 #define AR5K_INI_VAL_XR			0
 #define AR5K_INI_VAL_MAX		5
 
-/* Used for BSSID etc manipulation */
-#define AR5K_LOW_ID(_a)(				\
-(_a)[0] | (_a)[1] << 8 | (_a)[2] << 16 | (_a)[3] << 24	\
-)
-
-#define AR5K_HIGH_ID(_a)	((_a)[4] | (_a)[5] << 8)
-
 /*
  * Some tuneable values (these should be changeable by the user)
  * TODO: Make use of them and add more options OR use debug/configfs
diff --git a/drivers/net/wireless/ath/ath5k/pcu.c b/drivers/net/wireless/ath/ath5k/pcu.c
index 43aa3580661..7bbcfe4fe34 100644
--- a/drivers/net/wireless/ath/ath5k/pcu.c
+++ b/drivers/net/wireless/ath/ath5k/pcu.c
@@ -24,6 +24,8 @@
 * Protocol Control Unit Functions *
 \*********************************/
 
+#include <asm/unaligned.h>
+
 #include "ath5k.h"
 #include "reg.h"
 #include "debug.h"
@@ -95,8 +97,8 @@ int ath5k_hw_set_opmode(struct ath5k_hw *ah)
 	/*
 	 * Set PCU registers
 	 */
-	low_id = AR5K_LOW_ID(ah->ah_sta_id);
-	high_id = AR5K_HIGH_ID(ah->ah_sta_id);
+	low_id = get_unaligned_le32(ah->ah_sta_id);
+	high_id = get_unaligned_le16(ah->ah_sta_id + 4);
 	ath5k_hw_reg_write(ah, low_id, AR5K_STA_ID0);
 	ath5k_hw_reg_write(ah, pcu_reg | high_id, AR5K_STA_ID1);
 
@@ -279,8 +281,8 @@ int ath5k_hw_set_lladdr(struct ath5k_hw *ah, const u8 *mac)
 
 	pcu_reg = ath5k_hw_reg_read(ah, AR5K_STA_ID1) & 0xffff0000;
 
-	low_id = AR5K_LOW_ID(mac);
-	high_id = AR5K_HIGH_ID(mac);
+	low_id = get_unaligned_le32(mac);
+	high_id = get_unaligned_le16(mac + 4);
 
 	ath5k_hw_reg_write(ah, low_id, AR5K_STA_ID0);
 	ath5k_hw_reg_write(ah, pcu_reg | high_id, AR5K_STA_ID1);
@@ -306,17 +308,18 @@ void ath5k_hw_set_associd(struct ath5k_hw *ah, const u8 *bssid, u16 assoc_id)
 	 * Set simple BSSID mask on 5212
 	 */
 	if (ah->ah_version == AR5K_AR5212) {
-		ath5k_hw_reg_write(ah, AR5K_LOW_ID(ah->ah_bssid_mask),
+		ath5k_hw_reg_write(ah, get_unaligned_le32(ah->ah_bssid_mask),
 							AR5K_BSS_IDM0);
-		ath5k_hw_reg_write(ah, AR5K_HIGH_ID(ah->ah_bssid_mask),
-							AR5K_BSS_IDM1);
+		ath5k_hw_reg_write(ah,
+				   get_unaligned_le16(ah->ah_bssid_mask + 4),
+				   AR5K_BSS_IDM1);
 	}
 
 	/*
 	 * Set BSSID which triggers the "SME Join" operation
 	 */
-	low_id = AR5K_LOW_ID(bssid);
-	high_id = AR5K_HIGH_ID(bssid);
+	low_id = get_unaligned_le32(bssid);
+	high_id = get_unaligned_le16(bssid);
 	ath5k_hw_reg_write(ah, low_id, AR5K_BSS_ID0);
 	ath5k_hw_reg_write(ah, high_id | ((assoc_id & 0x3fff) <<
 				AR5K_BSS_ID1_AID_S), AR5K_BSS_ID1);
@@ -437,8 +440,8 @@ int ath5k_hw_set_bssid_mask(struct ath5k_hw *ah, const u8 *mask)
 	 * on reset */
 	memcpy(ah->ah_bssid_mask, mask, ETH_ALEN);
 	if (ah->ah_version == AR5K_AR5212) {
-		low_id = AR5K_LOW_ID(mask);
-		high_id = AR5K_HIGH_ID(mask);
+		low_id = get_unaligned_le32(mask);
+		high_id = get_unaligned_le16(mask + 4);
 
 		ath5k_hw_reg_write(ah, low_id, AR5K_BSS_IDM0);
 		ath5k_hw_reg_write(ah, high_id, AR5K_BSS_IDM1);
@@ -1157,14 +1160,17 @@ int ath5k_hw_set_key_lladdr(struct ath5k_hw *ah, u16 entry, const u8 *mac)
 	 /* Invalid entry (key table overflow) */
 	AR5K_ASSERT_ENTRY(entry, AR5K_KEYTABLE_SIZE);
 
-	/* MAC may be NULL if it's a broadcast key. In this case no need to
-	 * to compute AR5K_LOW_ID and AR5K_HIGH_ID as we already know it. */
+	/*
+	 * MAC may be NULL if it's a broadcast key. In this case no need to
+	 * to compute get_unaligned_le32 and get_unaligned_le16 as we
+	 * already know it.
+	 */
 	if (!mac) {
 		low_id = 0xffffffff;
 		high_id = 0xffff | AR5K_KEYTABLE_VALID;
 	} else {
-		low_id = AR5K_LOW_ID(mac);
-		high_id = AR5K_HIGH_ID(mac) | AR5K_KEYTABLE_VALID;
+		low_id = get_unaligned_le32(mac);
+		high_id = get_unaligned_le16(mac + 4) | AR5K_KEYTABLE_VALID;
 	}
 
 	ath5k_hw_reg_write(ah, low_id, AR5K_KEYTABLE_MAC0(entry));
diff --git a/drivers/net/wireless/ath/ath5k/reset.c b/drivers/net/wireless/ath/ath5k/reset.c
index 34e13c70084..3454dacc2af 100644
--- a/drivers/net/wireless/ath/ath5k/reset.c
+++ b/drivers/net/wireless/ath/ath5k/reset.c
@@ -25,6 +25,8 @@
   Reset functions and helpers
 \*****************************/
 
+#include <asm/unaligned.h>
+
 #include <linux/pci.h> 		/* To determine if a card is pci-e */
 #include <linux/log2.h>
 #include "ath5k.h"
@@ -1171,9 +1173,9 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
 	ath5k_hw_reg_write(ah, s_led[2], AR5K_GPIODO);
 
 	/* Restore sta_id flags and preserve our mac address*/
-	ath5k_hw_reg_write(ah, AR5K_LOW_ID(ah->ah_sta_id),
+	ath5k_hw_reg_write(ah, get_unaligned_le32(ah->ah_sta_id),
 						AR5K_STA_ID0);
-	ath5k_hw_reg_write(ah, staid1_flags | AR5K_HIGH_ID(ah->ah_sta_id),
+	ath5k_hw_reg_write(ah, staid1_flags | get_unaligned_le16(ah->ah_sta_id),
 						AR5K_STA_ID1);
 
 
-- 
GitLab


From f2b2143e60651228945f361c09de7ee752360cd1 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Thu, 10 Sep 2009 08:50:20 -0700
Subject: [PATCH 0077/1815] ath9k: make ath9k_hw_setbssidmask() and
 ath9k_hw_write_associd() use ath_hw

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.c      | 14 +++++++-------
 drivers/net/wireless/ath/ath9k/hw.h      |  4 ++--
 drivers/net/wireless/ath/ath9k/main.c    | 11 ++++++-----
 drivers/net/wireless/ath/ath9k/recv.c    |  2 +-
 drivers/net/wireless/ath/ath9k/virtual.c |  2 +-
 5 files changed, 17 insertions(+), 16 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index cb352daf2dc..721b0c9e3ea 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -4024,17 +4024,17 @@ void ath9k_hw_setmcastfilter(struct ath_hw *ah, u32 filter0, u32 filter1)
 	REG_WRITE(ah, AR_MCAST_FIL1, filter1);
 }
 
-void ath9k_hw_setbssidmask(struct ath_softc *sc)
+void ath9k_hw_setbssidmask(struct ath_hw *ah)
 {
-	REG_WRITE(sc->sc_ah, AR_BSSMSKL, get_unaligned_le32(sc->bssidmask));
-	REG_WRITE(sc->sc_ah, AR_BSSMSKU, get_unaligned_le16(sc->bssidmask + 4));
+	REG_WRITE(ah, AR_BSSMSKL, get_unaligned_le32(ah->ah_sc->bssidmask));
+	REG_WRITE(ah, AR_BSSMSKU, get_unaligned_le16(ah->ah_sc->bssidmask + 4));
 }
 
-void ath9k_hw_write_associd(struct ath_softc *sc)
+void ath9k_hw_write_associd(struct ath_hw *ah)
 {
-	REG_WRITE(sc->sc_ah, AR_BSS_ID0, get_unaligned_le32(sc->curbssid));
-	REG_WRITE(sc->sc_ah, AR_BSS_ID1, get_unaligned_le16(sc->curbssid + 4) |
-		  ((sc->curaid & 0x3fff) << AR_BSS_ID1_AID_S));
+	REG_WRITE(ah, AR_BSS_ID0, get_unaligned_le32(ah->ah_sc->curbssid));
+	REG_WRITE(ah, AR_BSS_ID1, get_unaligned_le16(ah->ah_sc->curbssid + 4) |
+		  ((ah->ah_sc->curaid & 0x3fff) << AR_BSS_ID1_AID_S));
 }
 
 u64 ath9k_hw_gettsf64(struct ath_hw *ah)
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 2432edcabaf..c0c22dfd306 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -641,8 +641,8 @@ void ath9k_hw_set_txpowerlimit(struct ath_hw *ah, u32 limit);
 void ath9k_hw_setmac(struct ath_hw *ah, const u8 *mac);
 void ath9k_hw_setopmode(struct ath_hw *ah);
 void ath9k_hw_setmcastfilter(struct ath_hw *ah, u32 filter0, u32 filter1);
-void ath9k_hw_setbssidmask(struct ath_softc *sc);
-void ath9k_hw_write_associd(struct ath_softc *sc);
+void ath9k_hw_setbssidmask(struct ath_hw *ah);
+void ath9k_hw_write_associd(struct ath_hw *ah);
 u64 ath9k_hw_gettsf64(struct ath_hw *ah);
 void ath9k_hw_settsf64(struct ath_hw *ah, u64 tsf64);
 void ath9k_hw_reset_tsf(struct ath_hw *ah);
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 216b72f9c85..f2c1feb7d49 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -975,14 +975,15 @@ static void ath9k_bss_assoc_info(struct ath_softc *sc,
 				 struct ieee80211_vif *vif,
 				 struct ieee80211_bss_conf *bss_conf)
 {
+	struct ath_hw *ah = sc->sc_ah;
 
 	if (bss_conf->assoc) {
-		DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "Bss Info ASSOC %d, bssid: %pM\n",
+		DPRINTF(ah, ATH_DBG_CONFIG, "Bss Info ASSOC %d, bssid: %pM\n",
 			bss_conf->aid, sc->curbssid);
 
 		/* New association, store aid */
 		sc->curaid = bss_conf->aid;
-		ath9k_hw_write_associd(sc);
+		ath9k_hw_write_associd(ah);
 
 		/*
 		 * Request a re-configuration of Beacon related timers
@@ -999,7 +1000,7 @@ static void ath9k_bss_assoc_info(struct ath_softc *sc,
 
 		ath_start_ani(sc);
 	} else {
-		DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "Bss Info DISASSOC\n");
+		DPRINTF(ah, ATH_DBG_CONFIG, "Bss Info DISASSOC\n");
 		sc->curaid = 0;
 		/* Stop ANI */
 		del_timer_sync(&sc->ani.timer);
@@ -2801,7 +2802,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
 		ath9k_hw_setopmode(ah);
 		memcpy(sc->curbssid, sc->sc_ah->macaddr, ETH_ALEN);
 		sc->curaid = 0;
-		ath9k_hw_write_associd(sc);
+		ath9k_hw_write_associd(ah);
 		/* Request full reset to get hw opmode changed properly */
 		sc->sc_flags |= SC_OP_FULL_RESET;
 	}
@@ -2816,7 +2817,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
 			memcpy(sc->curbssid, bss_conf->bssid, ETH_ALEN);
 			memcpy(avp->bssid, bss_conf->bssid, ETH_ALEN);
 			sc->curaid = 0;
-			ath9k_hw_write_associd(sc);
+			ath9k_hw_write_associd(ah);
 
 			/* Set aggregation protection mode parameters */
 			sc->config.ath_aggr_prot = 0;
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index ee1e8b47496..529cab6bfe6 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -280,7 +280,7 @@ static void ath_opmode_init(struct ath_softc *sc)
 
 	/* configure bssid mask */
 	if (ah->caps.hw_caps & ATH9K_HW_CAP_BSSIDMASK)
-		ath9k_hw_setbssidmask(sc);
+		ath9k_hw_setbssidmask(ah);
 
 	/* configure operational mode */
 	ath9k_hw_setopmode(ah);
diff --git a/drivers/net/wireless/ath/ath9k/virtual.c b/drivers/net/wireless/ath/ath9k/virtual.c
index 19b88f8177f..52becd32ad8 100644
--- a/drivers/net/wireless/ath/ath9k/virtual.c
+++ b/drivers/net/wireless/ath/ath9k/virtual.c
@@ -93,7 +93,7 @@ void ath9k_set_bssid_mask(struct ieee80211_hw *hw)
 	sc->bssidmask[4] = ~mask[4];
 	sc->bssidmask[5] = ~mask[5];
 
-	ath9k_hw_setbssidmask(sc);
+	ath9k_hw_setbssidmask(sc->sc_ah);
 }
 
 int ath9k_wiphy_add(struct ath_softc *sc)
-- 
GitLab


From 7664072b7937d0bd5563800359e04ff4418572e0 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Thu, 10 Sep 2009 08:54:56 -0700
Subject: [PATCH 0078/1815] ath9k: Use ath9k_hw_setbssidmask() on reset

The same code was being implemented on reset for setting the bssidmask,
instead just use the already provided helper.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 721b0c9e3ea..227e40391b0 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2472,8 +2472,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 		  | ah->sta_id1_defaults);
 	ath9k_hw_set_operating_mode(ah, ah->opmode);
 
-	REG_WRITE(ah, AR_BSSMSKL, get_unaligned_le32(sc->bssidmask));
-	REG_WRITE(ah, AR_BSSMSKU, get_unaligned_le16(sc->bssidmask + 4));
+	ath9k_hw_setbssidmask(ah);
 
 	REG_WRITE(ah, AR_DEF_ANTENNA, saveDefAntenna);
 
-- 
GitLab


From 3453ad8839ca91e1c11211d4d87dc3657c5a2b44 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Thu, 10 Sep 2009 08:57:00 -0700
Subject: [PATCH 0079/1815] ath9k: use ath9k_hw_write_associd() on reset

Use the already provided helper instead of rewriting the code
required in place.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 227e40391b0..20c1b3edbd0 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2476,9 +2476,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 
 	REG_WRITE(ah, AR_DEF_ANTENNA, saveDefAntenna);
 
-	REG_WRITE(ah, AR_BSS_ID0, get_unaligned_le32(sc->curbssid));
-	REG_WRITE(ah, AR_BSS_ID1, get_unaligned_le16(sc->curbssid + 4) |
-		  ((sc->curaid & 0x3fff) << AR_BSS_ID1_AID_S));
+	ath9k_hw_write_associd(ah);
 
 	REG_WRITE(ah, AR_ISR, ~0);
 
-- 
GitLab


From 1510718d0fd6e20803aac95fe1d8a44846098a34 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Thu, 10 Sep 2009 09:22:37 -0700
Subject: [PATCH 0080/1815] atheros/ath9k: move macaddr, curaid, curbssid and
 bssidmask to common

These are common amongst ath9k and ath5k, so put them into the
common structure and make ath9k to use it. ar9170 can use macaddr,
and curbssid. We'll change ath5k and ar9170 separately.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath.h           |  4 +++
 drivers/net/wireless/ath/ath9k/ath9k.h   |  3 ---
 drivers/net/wireless/ath/ath9k/hw.c      | 26 ++++++++++++-------
 drivers/net/wireless/ath/ath9k/hw.h      |  1 -
 drivers/net/wireless/ath/ath9k/main.c    | 33 ++++++++++++++----------
 drivers/net/wireless/ath/ath9k/recv.c    |  7 +++--
 drivers/net/wireless/ath/ath9k/virtual.c | 18 +++++++------
 7 files changed, 55 insertions(+), 37 deletions(-)

diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h
index 44f885a37c1..7589b2aa030 100644
--- a/drivers/net/wireless/ath/ath.h
+++ b/drivers/net/wireless/ath/ath.h
@@ -41,6 +41,10 @@ struct ath_regulatory {
 
 struct ath_common {
 	u16 cachelsz;
+	u16 curaid;
+	u8 macaddr[ETH_ALEN];
+	u8 curbssid[ETH_ALEN];
+	u8 bssidmask[ETH_ALEN];
 	struct ath_regulatory regulatory;
 };
 
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index e54fac322bd..757f17fddcf 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -581,12 +581,9 @@ struct ath_softc {
 	spinlock_t sc_pm_lock;
 	struct mutex mutex;
 
-	u8 curbssid[ETH_ALEN];
-	u8 bssidmask[ETH_ALEN];
 	u32 intrstatus;
 	u32 sc_flags; /* SC_OP_* */
 	u16 curtxpow;
-	u16 curaid;
 	u8 nbcnvifs;
 	u16 nvifs;
 	u8 tx_chainmask;
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 20c1b3edbd0..4e14c307b3d 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -511,6 +511,7 @@ static int ath9k_hw_rf_claim(struct ath_hw *ah)
 
 static int ath9k_hw_init_macaddr(struct ath_hw *ah)
 {
+	struct ath_common *common = ath9k_hw_common(ah);
 	u32 sum;
 	int i;
 	u16 eeval;
@@ -519,8 +520,8 @@ static int ath9k_hw_init_macaddr(struct ath_hw *ah)
 	for (i = 0; i < 3; i++) {
 		eeval = ah->eep_ops->get_eeprom(ah, AR_EEPROM_MAC(i));
 		sum += eeval;
-		ah->macaddr[2 * i] = eeval >> 8;
-		ah->macaddr[2 * i + 1] = eeval & 0xff;
+		common->macaddr[2 * i] = eeval >> 8;
+		common->macaddr[2 * i + 1] = eeval & 0xff;
 	}
 	if (sum == 0 || sum == 0xffff * 3)
 		return -EADDRNOTAVAIL;
@@ -2343,6 +2344,7 @@ static void ath9k_enable_rfkill(struct ath_hw *ah)
 int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 		    bool bChannelChange)
 {
+	struct ath_common *common = ath9k_hw_common(ah);
 	u32 saveLedState;
 	struct ath_softc *sc = ah->ah_sc;
 	struct ath9k_channel *curchan = ah->curchan;
@@ -2463,8 +2465,8 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 
 	ath9k_hw_decrease_chain_power(ah, chan);
 
-	REG_WRITE(ah, AR_STA_ID0, get_unaligned_le32(ah->macaddr));
-	REG_WRITE(ah, AR_STA_ID1, get_unaligned_le16(ah->macaddr + 4)
+	REG_WRITE(ah, AR_STA_ID0, get_unaligned_le32(common->macaddr));
+	REG_WRITE(ah, AR_STA_ID1, get_unaligned_le16(common->macaddr + 4)
 		  | macStaId1
 		  | AR_STA_ID1_RTS_USE_DEF
 		  | (ah->config.
@@ -4007,7 +4009,7 @@ void ath9k_hw_set_txpowerlimit(struct ath_hw *ah, u32 limit)
 
 void ath9k_hw_setmac(struct ath_hw *ah, const u8 *mac)
 {
-	memcpy(ah->macaddr, mac, ETH_ALEN);
+	memcpy(ath9k_hw_common(ah)->macaddr, mac, ETH_ALEN);
 }
 
 void ath9k_hw_setopmode(struct ath_hw *ah)
@@ -4023,15 +4025,19 @@ void ath9k_hw_setmcastfilter(struct ath_hw *ah, u32 filter0, u32 filter1)
 
 void ath9k_hw_setbssidmask(struct ath_hw *ah)
 {
-	REG_WRITE(ah, AR_BSSMSKL, get_unaligned_le32(ah->ah_sc->bssidmask));
-	REG_WRITE(ah, AR_BSSMSKU, get_unaligned_le16(ah->ah_sc->bssidmask + 4));
+	struct ath_common *common = ath9k_hw_common(ah);
+
+	REG_WRITE(ah, AR_BSSMSKL, get_unaligned_le32(common->bssidmask));
+	REG_WRITE(ah, AR_BSSMSKU, get_unaligned_le16(common->bssidmask + 4));
 }
 
 void ath9k_hw_write_associd(struct ath_hw *ah)
 {
-	REG_WRITE(ah, AR_BSS_ID0, get_unaligned_le32(ah->ah_sc->curbssid));
-	REG_WRITE(ah, AR_BSS_ID1, get_unaligned_le16(ah->ah_sc->curbssid + 4) |
-		  ((ah->ah_sc->curaid & 0x3fff) << AR_BSS_ID1_AID_S));
+	struct ath_common *common = ath9k_hw_common(ah);
+
+	REG_WRITE(ah, AR_BSS_ID0, get_unaligned_le32(common->curbssid));
+	REG_WRITE(ah, AR_BSS_ID1, get_unaligned_le16(common->curbssid + 4) |
+		  ((common->curaid & 0x3fff) << AR_BSS_ID1_AID_S));
 }
 
 u64 ath9k_hw_gettsf64(struct ath_hw *ah)
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index c0c22dfd306..6aee01343d3 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -451,7 +451,6 @@ struct ath_hw {
 
 	bool sw_mgmt_crypto;
 	bool is_pciexpress;
-	u8 macaddr[ETH_ALEN];
 	u16 tx_trig_level;
 	u16 rfsilent;
 	u32 rfkill_gpio;
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index f2c1feb7d49..a96350d2aac 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -976,13 +976,14 @@ static void ath9k_bss_assoc_info(struct ath_softc *sc,
 				 struct ieee80211_bss_conf *bss_conf)
 {
 	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
 
 	if (bss_conf->assoc) {
 		DPRINTF(ah, ATH_DBG_CONFIG, "Bss Info ASSOC %d, bssid: %pM\n",
-			bss_conf->aid, sc->curbssid);
+			bss_conf->aid, common->curbssid);
 
 		/* New association, store aid */
-		sc->curaid = bss_conf->aid;
+		common->curaid = bss_conf->aid;
 		ath9k_hw_write_associd(ah);
 
 		/*
@@ -1001,7 +1002,7 @@ static void ath9k_bss_assoc_info(struct ath_softc *sc,
 		ath_start_ani(sc);
 	} else {
 		DPRINTF(ah, ATH_DBG_CONFIG, "Bss Info DISASSOC\n");
-		sc->curaid = 0;
+		common->curaid = 0;
 		/* Stop ANI */
 		del_timer_sync(&sc->ani.timer);
 	}
@@ -1497,6 +1498,7 @@ static int ath_init_btcoex_timer(struct ath_softc *sc)
 static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
 {
 	struct ath_hw *ah = NULL;
+	struct ath_common *common;
 	int r = 0, i;
 	int csz = 0;
 	int qnum;
@@ -1675,8 +1677,10 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
 	ath9k_hw_setcapability(ah, ATH9K_CAP_DIVERSITY, 1, true, NULL);
 	sc->rx.defant = ath9k_hw_getdefantenna(ah);
 
+	common = ath9k_hw_common(ah);
+
 	if (ah->caps.hw_caps & ATH9K_HW_CAP_BSSIDMASK)
-		memcpy(sc->bssidmask, ath_bcast_mac, ETH_ALEN);
+		memcpy(common->bssidmask, ath_bcast_mac, ETH_ALEN);
 
 	sc->beacon.slottime = ATH9K_SLOT_TIME_9;	/* default to short slot time */
 
@@ -1780,6 +1784,7 @@ void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
 int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid)
 {
 	struct ieee80211_hw *hw = sc->hw;
+	struct ath_common *common;
 	struct ath_hw *ah;
 	int error = 0, i;
 	struct ath_regulatory *reg;
@@ -1791,19 +1796,20 @@ int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid)
 		return error;
 
 	ah = sc->sc_ah;
+	common = ath9k_hw_common(ah);
 
 	/* get mac address from hardware and set in mac80211 */
 
-	SET_IEEE80211_PERM_ADDR(hw, ah->macaddr);
+	SET_IEEE80211_PERM_ADDR(hw, common->macaddr);
 
 	ath_set_hw_capab(sc, hw);
 
-	error = ath_regd_init(&sc->common.regulatory, sc->hw->wiphy,
+	error = ath_regd_init(&common->regulatory, sc->hw->wiphy,
 			      ath9k_reg_notifier);
 	if (error)
 		return error;
 
-	reg = &sc->common.regulatory;
+	reg = &common->regulatory;
 
 	if (ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
 		setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_2GHZ].ht_cap);
@@ -2785,6 +2791,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
 	struct ath_wiphy *aphy = hw->priv;
 	struct ath_softc *sc = aphy->sc;
 	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath_vif *avp = (void *)vif->drv_priv;
 	u32 rfilt = 0;
 	int error, i;
@@ -2800,8 +2807,8 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
 	    ah->opmode != NL80211_IFTYPE_AP) {
 		ah->opmode = NL80211_IFTYPE_STATION;
 		ath9k_hw_setopmode(ah);
-		memcpy(sc->curbssid, sc->sc_ah->macaddr, ETH_ALEN);
-		sc->curaid = 0;
+		memcpy(common->curbssid, common->macaddr, ETH_ALEN);
+		common->curaid = 0;
 		ath9k_hw_write_associd(ah);
 		/* Request full reset to get hw opmode changed properly */
 		sc->sc_flags |= SC_OP_FULL_RESET;
@@ -2814,9 +2821,9 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
 		case NL80211_IFTYPE_ADHOC:
 		case NL80211_IFTYPE_MESH_POINT:
 			/* Set BSSID */
-			memcpy(sc->curbssid, bss_conf->bssid, ETH_ALEN);
+			memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
 			memcpy(avp->bssid, bss_conf->bssid, ETH_ALEN);
-			sc->curaid = 0;
+			common->curaid = 0;
 			ath9k_hw_write_associd(ah);
 
 			/* Set aggregation protection mode parameters */
@@ -2824,7 +2831,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
 
 			DPRINTF(sc->sc_ah, ATH_DBG_CONFIG,
 				"RX filter 0x%x bssid %pM aid 0x%x\n",
-				rfilt, sc->curbssid, sc->curaid);
+				rfilt, common->curbssid, common->curaid);
 
 			/* need to reconfigure the beacon */
 			sc->sc_flags &= ~SC_OP_BEACONS ;
@@ -2863,7 +2870,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
 			if (ath9k_hw_keyisvalid(sc->sc_ah, (u16)i))
 				ath9k_hw_keysetmac(sc->sc_ah,
 						   (u16)i,
-						   sc->curbssid);
+						   common->curbssid);
 	}
 
 	/* Only legacy IBSS for now */
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 529cab6bfe6..3bdd4e63721 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -272,6 +272,8 @@ rx_next:
 static void ath_opmode_init(struct ath_softc *sc)
 {
 	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
+
 	u32 rfilt, mfilt[2];
 
 	/* configure rx filter */
@@ -286,7 +288,7 @@ static void ath_opmode_init(struct ath_softc *sc)
 	ath9k_hw_setopmode(ah);
 
 	/* Handle any link-level address change. */
-	ath9k_hw_setmac(ah, sc->sc_ah->macaddr);
+	ath9k_hw_setmac(ah, common->macaddr);
 
 	/* calculate and install multicast filter */
 	mfilt[0] = mfilt[1] = ~0;
@@ -527,12 +529,13 @@ static bool ath_beacon_dtim_pending_cab(struct sk_buff *skb)
 static void ath_rx_ps_beacon(struct ath_softc *sc, struct sk_buff *skb)
 {
 	struct ieee80211_mgmt *mgmt;
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 
 	if (skb->len < 24 + 8 + 2 + 2)
 		return;
 
 	mgmt = (struct ieee80211_mgmt *)skb->data;
-	if (memcmp(sc->curbssid, mgmt->bssid, ETH_ALEN) != 0)
+	if (memcmp(common->curbssid, mgmt->bssid, ETH_ALEN) != 0)
 		return; /* not from our current AP */
 
 	sc->sc_flags &= ~SC_OP_WAIT_FOR_BEACON;
diff --git a/drivers/net/wireless/ath/ath9k/virtual.c b/drivers/net/wireless/ath/ath9k/virtual.c
index 52becd32ad8..7b763b6555f 100644
--- a/drivers/net/wireless/ath/ath9k/virtual.c
+++ b/drivers/net/wireless/ath/ath9k/virtual.c
@@ -40,6 +40,7 @@ void ath9k_set_bssid_mask(struct ieee80211_hw *hw)
 {
 	struct ath_wiphy *aphy = hw->priv;
 	struct ath_softc *sc = aphy->sc;
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	struct ath9k_vif_iter_data iter_data;
 	int i, j;
 	u8 mask[ETH_ALEN];
@@ -51,7 +52,7 @@ void ath9k_set_bssid_mask(struct ieee80211_hw *hw)
 	 */
 	iter_data.addr = kmalloc(ETH_ALEN, GFP_ATOMIC);
 	if (iter_data.addr) {
-		memcpy(iter_data.addr, sc->sc_ah->macaddr, ETH_ALEN);
+		memcpy(iter_data.addr, common->macaddr, ETH_ALEN);
 		iter_data.count = 1;
 	} else
 		iter_data.count = 0;
@@ -86,12 +87,12 @@ void ath9k_set_bssid_mask(struct ieee80211_hw *hw)
 	kfree(iter_data.addr);
 
 	/* Invert the mask and configure hardware */
-	sc->bssidmask[0] = ~mask[0];
-	sc->bssidmask[1] = ~mask[1];
-	sc->bssidmask[2] = ~mask[2];
-	sc->bssidmask[3] = ~mask[3];
-	sc->bssidmask[4] = ~mask[4];
-	sc->bssidmask[5] = ~mask[5];
+	common->bssidmask[0] = ~mask[0];
+	common->bssidmask[1] = ~mask[1];
+	common->bssidmask[2] = ~mask[2];
+	common->bssidmask[3] = ~mask[3];
+	common->bssidmask[4] = ~mask[4];
+	common->bssidmask[5] = ~mask[5];
 
 	ath9k_hw_setbssidmask(sc->sc_ah);
 }
@@ -100,6 +101,7 @@ int ath9k_wiphy_add(struct ath_softc *sc)
 {
 	int i, error;
 	struct ath_wiphy *aphy;
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	struct ieee80211_hw *hw;
 	u8 addr[ETH_ALEN];
 
@@ -138,7 +140,7 @@ int ath9k_wiphy_add(struct ath_softc *sc)
 	sc->sec_wiphy[i] = aphy;
 	spin_unlock_bh(&sc->wiphy_lock);
 
-	memcpy(addr, sc->sc_ah->macaddr, ETH_ALEN);
+	memcpy(addr, common->macaddr, ETH_ALEN);
 	addr[0] |= 0x02; /* Locally managed address */
 	/*
 	 * XOR virtual wiphy index into the least significant bits to generate
-- 
GitLab


From 8c727e70860dab0cf34a68591cd3f2043a9b9757 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Thu, 10 Sep 2009 10:10:54 -0700
Subject: [PATCH 0081/1815] ar9170: make use of common macaddr and curbssid

These are provided by ath_common.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ar9170/ar9170.h | 2 --
 drivers/net/wireless/ath/ar9170/mac.c    | 5 +++--
 drivers/net/wireless/ath/ar9170/main.c   | 6 ++++--
 3 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/ath/ar9170/ar9170.h b/drivers/net/wireless/ath/ar9170/ar9170.h
index 914e4718a9a..c5576eec12a 100644
--- a/drivers/net/wireless/ath/ar9170/ar9170.h
+++ b/drivers/net/wireless/ath/ar9170/ar9170.h
@@ -172,8 +172,6 @@ struct ar9170 {
 
 	/* interface mode settings */
 	struct ieee80211_vif *vif;
-	u8 mac_addr[ETH_ALEN];
-	u8 bssid[ETH_ALEN];
 
 	/* beaconing */
 	struct sk_buff *beacon;
diff --git a/drivers/net/wireless/ath/ar9170/mac.c b/drivers/net/wireless/ath/ar9170/mac.c
index 0c6273a63d6..ddc8c09dc79 100644
--- a/drivers/net/wireless/ath/ar9170/mac.c
+++ b/drivers/net/wireless/ath/ar9170/mac.c
@@ -311,13 +311,14 @@ static int ar9170_set_promiscouous(struct ar9170 *ar)
 
 int ar9170_set_operating_mode(struct ar9170 *ar)
 {
+	struct ath_common *common = &ar->common;
 	u32 pm_mode = AR9170_MAC_REG_POWERMGT_DEFAULTS;
 	u8 *mac_addr, *bssid;
 	int err;
 
 	if (ar->vif) {
-		mac_addr = ar->mac_addr;
-		bssid = ar->bssid;
+		mac_addr = common->macaddr;
+		bssid = common->curbssid;
 
 		switch (ar->vif->type) {
 		case NL80211_IFTYPE_MESH_POINT:
diff --git a/drivers/net/wireless/ath/ar9170/main.c b/drivers/net/wireless/ath/ar9170/main.c
index c1f8c69db16..81c6cf1135b 100644
--- a/drivers/net/wireless/ath/ar9170/main.c
+++ b/drivers/net/wireless/ath/ar9170/main.c
@@ -1952,6 +1952,7 @@ static int ar9170_op_add_interface(struct ieee80211_hw *hw,
 				   struct ieee80211_if_init_conf *conf)
 {
 	struct ar9170 *ar = hw->priv;
+	struct ath_common *common = &ar->common;
 	int err = 0;
 
 	mutex_lock(&ar->mutex);
@@ -1962,7 +1963,7 @@ static int ar9170_op_add_interface(struct ieee80211_hw *hw,
 	}
 
 	ar->vif = conf->vif;
-	memcpy(ar->mac_addr, conf->mac_addr, ETH_ALEN);
+	memcpy(common->macaddr, conf->mac_addr, ETH_ALEN);
 
 	if (modparam_nohwcrypt || (ar->vif->type != NL80211_IFTYPE_STATION)) {
 		ar->rx_software_decryption = true;
@@ -2131,12 +2132,13 @@ static void ar9170_op_bss_info_changed(struct ieee80211_hw *hw,
 				       u32 changed)
 {
 	struct ar9170 *ar = hw->priv;
+	struct ath_common *common = &ar->common;
 	int err = 0;
 
 	mutex_lock(&ar->mutex);
 
 	if (changed & BSS_CHANGED_BSSID) {
-		memcpy(ar->bssid, bss_conf->bssid, ETH_ALEN);
+		memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
 		err = ar9170_set_operating_mode(ar);
 		if (err)
 			goto out;
-- 
GitLab


From 954fecea5d1df4d1dc7bf9a822a2fad308e8588e Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Thu, 10 Sep 2009 10:51:33 -0700
Subject: [PATCH 0082/1815] ath5k: use common curbssid, bssidmask and macaddr

The ah_sta_id was really being used as the macaddr.
ath5k still does not use the association ID now passed
up by mac80211, that can be fixed later.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath5k/ath5k.h  |  9 ------
 drivers/net/wireless/ath/ath5k/attach.c |  7 +++--
 drivers/net/wireless/ath/ath5k/base.c   |  8 ++++--
 drivers/net/wireless/ath/ath5k/pcu.c    | 38 +++++++------------------
 drivers/net/wireless/ath/ath5k/reset.c  | 13 +++++----
 5 files changed, 28 insertions(+), 47 deletions(-)

diff --git a/drivers/net/wireless/ath/ath5k/ath5k.h b/drivers/net/wireless/ath/ath5k/ath5k.h
index 93a9c1f93f6..f46a92e78b3 100644
--- a/drivers/net/wireless/ath/ath5k/ath5k.h
+++ b/drivers/net/wireless/ath/ath5k/ath5k.h
@@ -1060,14 +1060,6 @@ struct ath5k_hw {
 	u8			ah_def_ant;
 	bool			ah_software_retry;
 
-	u8			ah_sta_id[ETH_ALEN];
-
-	/* Current BSSID we are trying to assoc to / create.
-	 * This is passed by mac80211 on config_interface() and cached here for
-	 * use in resets */
-	u8			ah_bssid[ETH_ALEN];
-	u8			ah_bssid_mask[ETH_ALEN];
-
 	int			ah_gpio_npins;
 
 	struct ath5k_capabilities ah_capabilities;
@@ -1196,7 +1188,6 @@ extern bool ath5k_eeprom_is_hb63(struct ath5k_hw *ah);
 /* Protocol Control Unit Functions */
 extern int ath5k_hw_set_opmode(struct ath5k_hw *ah);
 /* BSSID Functions */
-extern void ath5k_hw_get_lladdr(struct ath5k_hw *ah, u8 *mac);
 extern int ath5k_hw_set_lladdr(struct ath5k_hw *ah, const u8 *mac);
 extern void ath5k_hw_set_associd(struct ath5k_hw *ah, const u8 *bssid, u16 assoc_id);
 extern int ath5k_hw_set_bssid_mask(struct ath5k_hw *ah, const u8 *mask);
diff --git a/drivers/net/wireless/ath/ath5k/attach.c b/drivers/net/wireless/ath/ath5k/attach.c
index 9a009a78a04..2d262c7d906 100644
--- a/drivers/net/wireless/ath/ath5k/attach.c
+++ b/drivers/net/wireless/ath/ath5k/attach.c
@@ -104,6 +104,7 @@ static int ath5k_hw_post(struct ath5k_hw *ah)
 struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc)
 {
 	struct ath5k_hw *ah;
+	struct ath_common *common;
 	struct pci_dev *pdev = sc->pdev;
 	struct ath5k_eeprom_info *ee;
 	int ret;
@@ -118,7 +119,9 @@ struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc)
 	}
 
 	ah->ah_sc = sc;
+	ah->ah_sc->ah = ah;
 	ah->ah_iobase = sc->iobase;
+	common = ath5k_hw_common(ah);
 
 	/*
 	 * HW information
@@ -336,8 +339,8 @@ struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc)
 	ath5k_hw_set_lladdr(ah, (u8[ETH_ALEN]){});
 
 	/* Set BSSID to bcast address: ff:ff:ff:ff:ff:ff for now */
-	memcpy(ah->ah_bssid, ath_bcast_mac, ETH_ALEN);
-	ath5k_hw_set_associd(ah, ah->ah_bssid, 0);
+	memcpy(common->curbssid, ath_bcast_mac, ETH_ALEN);
+	ath5k_hw_set_associd(ah, common->curbssid, 0);
 	ath5k_hw_set_opmode(ah);
 
 	ath5k_hw_rfgain_opt_init(ah);
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index a28d79555df..efee68c8b1a 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -1685,13 +1685,14 @@ static void
 ath5k_check_ibss_tsf(struct ath5k_softc *sc, struct sk_buff *skb,
 		     struct ieee80211_rx_status *rxs)
 {
+	struct ath_common *common = ath5k_hw_common(sc->ah);
 	u64 tsf, bc_tstamp;
 	u32 hw_tu;
 	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data;
 
 	if (ieee80211_is_beacon(mgmt->frame_control) &&
 	    le16_to_cpu(mgmt->u.beacon.capab_info) & WLAN_CAPABILITY_IBSS &&
-	    memcmp(mgmt->bssid, sc->ah->ah_bssid, ETH_ALEN) == 0) {
+	    memcmp(mgmt->bssid, common->curbssid, ETH_ALEN) == 0) {
 		/*
 		 * Received an IBSS beacon with the same BSSID. Hardware *must*
 		 * have updated the local TSF. We have to work around various
@@ -3177,6 +3178,7 @@ static void ath5k_bss_info_changed(struct ieee80211_hw *hw,
 {
 	struct ath5k_softc *sc = hw->priv;
 	struct ath5k_hw *ah = sc->ah;
+	struct ath_common *common = ath5k_hw_common(ah);
 	unsigned long flags;
 
 	mutex_lock(&sc->lock);
@@ -3185,10 +3187,10 @@ static void ath5k_bss_info_changed(struct ieee80211_hw *hw,
 
 	if (changes & BSS_CHANGED_BSSID) {
 		/* Cache for later use during resets */
-		memcpy(ah->ah_bssid, bss_conf->bssid, ETH_ALEN);
+		memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
 		/* XXX: assoc id is set to 0 for now, mac80211 doesn't have
 		 * a clean way of letting us retrieve this yet. */
-		ath5k_hw_set_associd(ah, ah->ah_bssid, 0);
+		ath5k_hw_set_associd(ah, common->curbssid, 0);
 		mmiowb();
 	}
 
diff --git a/drivers/net/wireless/ath/ath5k/pcu.c b/drivers/net/wireless/ath/ath5k/pcu.c
index 7bbcfe4fe34..f03c06d583e 100644
--- a/drivers/net/wireless/ath/ath5k/pcu.c
+++ b/drivers/net/wireless/ath/ath5k/pcu.c
@@ -46,6 +46,7 @@
  */
 int ath5k_hw_set_opmode(struct ath5k_hw *ah)
 {
+	struct ath_common *common = ath5k_hw_common(ah);
 	u32 pcu_reg, beacon_reg, low_id, high_id;
 
 
@@ -97,8 +98,8 @@ int ath5k_hw_set_opmode(struct ath5k_hw *ah)
 	/*
 	 * Set PCU registers
 	 */
-	low_id = get_unaligned_le32(ah->ah_sta_id);
-	high_id = get_unaligned_le16(ah->ah_sta_id + 4);
+	low_id = get_unaligned_le32(common->macaddr);
+	high_id = get_unaligned_le16(common->macaddr + 4);
 	ath5k_hw_reg_write(ah, low_id, AR5K_STA_ID0);
 	ath5k_hw_reg_write(ah, pcu_reg | high_id, AR5K_STA_ID1);
 
@@ -240,28 +241,6 @@ int ath5k_hw_set_cts_timeout(struct ath5k_hw *ah, unsigned int timeout)
 	return 0;
 }
 
-
-/****************\
-* BSSID handling *
-\****************/
-
-/**
- * ath5k_hw_get_lladdr - Get station id
- *
- * @ah: The &struct ath5k_hw
- * @mac: The card's mac address
- *
- * Initialize ah->ah_sta_id using the mac address provided
- * (just a memcpy).
- *
- * TODO: Remove it once we merge ath5k_softc and ath5k_hw
- */
-void ath5k_hw_get_lladdr(struct ath5k_hw *ah, u8 *mac)
-{
-	ATH5K_TRACE(ah->ah_sc);
-	memcpy(mac, ah->ah_sta_id, ETH_ALEN);
-}
-
 /**
  * ath5k_hw_set_lladdr - Set station id
  *
@@ -272,12 +251,13 @@ void ath5k_hw_get_lladdr(struct ath5k_hw *ah, u8 *mac)
  */
 int ath5k_hw_set_lladdr(struct ath5k_hw *ah, const u8 *mac)
 {
+	struct ath_common *common = ath5k_hw_common(ah);
 	u32 low_id, high_id;
 	u32 pcu_reg;
 
 	ATH5K_TRACE(ah->ah_sc);
 	/* Set new station ID */
-	memcpy(ah->ah_sta_id, mac, ETH_ALEN);
+	memcpy(common->macaddr, mac, ETH_ALEN);
 
 	pcu_reg = ath5k_hw_reg_read(ah, AR5K_STA_ID1) & 0xffff0000;
 
@@ -301,6 +281,7 @@ int ath5k_hw_set_lladdr(struct ath5k_hw *ah, const u8 *mac)
  */
 void ath5k_hw_set_associd(struct ath5k_hw *ah, const u8 *bssid, u16 assoc_id)
 {
+	struct ath_common *common = ath5k_hw_common(ah);
 	u32 low_id, high_id;
 	u16 tim_offset = 0;
 
@@ -308,10 +289,10 @@ void ath5k_hw_set_associd(struct ath5k_hw *ah, const u8 *bssid, u16 assoc_id)
 	 * Set simple BSSID mask on 5212
 	 */
 	if (ah->ah_version == AR5K_AR5212) {
-		ath5k_hw_reg_write(ah, get_unaligned_le32(ah->ah_bssid_mask),
+		ath5k_hw_reg_write(ah, get_unaligned_le32(common->bssidmask),
 							AR5K_BSS_IDM0);
 		ath5k_hw_reg_write(ah,
-				   get_unaligned_le16(ah->ah_bssid_mask + 4),
+				   get_unaligned_le16(common->curbssid + 4),
 				   AR5K_BSS_IDM1);
 	}
 
@@ -433,12 +414,13 @@ void ath5k_hw_set_associd(struct ath5k_hw *ah, const u8 *bssid, u16 assoc_id)
  */
 int ath5k_hw_set_bssid_mask(struct ath5k_hw *ah, const u8 *mask)
 {
+	struct ath_common *common = ath5k_hw_common(ah);
 	u32 low_id, high_id;
 	ATH5K_TRACE(ah->ah_sc);
 
 	/* Cache bssid mask so that we can restore it
 	 * on reset */
-	memcpy(ah->ah_bssid_mask, mask, ETH_ALEN);
+	memcpy(common->bssidmask, mask, ETH_ALEN);
 	if (ah->ah_version == AR5K_AR5212) {
 		low_id = get_unaligned_le32(mask);
 		high_id = get_unaligned_le16(mask + 4);
diff --git a/drivers/net/wireless/ath/ath5k/reset.c b/drivers/net/wireless/ath/ath5k/reset.c
index 3454dacc2af..51aff7652c4 100644
--- a/drivers/net/wireless/ath/ath5k/reset.c
+++ b/drivers/net/wireless/ath/ath5k/reset.c
@@ -872,6 +872,7 @@ static void ath5k_hw_commit_eeprom_settings(struct ath5k_hw *ah,
 int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
 	struct ieee80211_channel *channel, bool change_channel)
 {
+	struct ath_common *common = ath5k_hw_common(ah);
 	u32 s_seq[10], s_ant, s_led[3], staid1_flags, tsf_up, tsf_lo;
 	u32 phy_tst1;
 	u8 mode, freq, ee_mode, ant[2];
@@ -1173,10 +1174,12 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
 	ath5k_hw_reg_write(ah, s_led[2], AR5K_GPIODO);
 
 	/* Restore sta_id flags and preserve our mac address*/
-	ath5k_hw_reg_write(ah, get_unaligned_le32(ah->ah_sta_id),
-						AR5K_STA_ID0);
-	ath5k_hw_reg_write(ah, staid1_flags | get_unaligned_le16(ah->ah_sta_id),
-						AR5K_STA_ID1);
+	ath5k_hw_reg_write(ah,
+			   get_unaligned_le32(common->macaddr),
+			   AR5K_STA_ID0);
+	ath5k_hw_reg_write(ah,
+			   staid1_flags | get_unaligned_le16(common->macaddr),
+			   AR5K_STA_ID1);
 
 
 	/*
@@ -1185,7 +1188,7 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
 
 	/* Restore bssid and bssid mask */
 	/* XXX: add ah->aid once mac80211 gives this to us */
-	ath5k_hw_set_associd(ah, ah->ah_bssid, 0);
+	ath5k_hw_set_associd(ah, common->curbssid, 0);
 
 	/* Set PCU config */
 	ath5k_hw_set_opmode(ah);
-- 
GitLab


From 394317fc793eb25dbbda4432d29d97cd80f3b561 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Thu, 10 Sep 2009 10:57:00 -0700
Subject: [PATCH 0083/1815] ath5k: initialize eeprom struct early on attach

This fixes this sparse warning:

  CHECK   drivers/net/wireless/ath/ath5k/attach.c
drivers/net/wireless/ath/ath5k/attach.c:288:42: warning: symbol 'ee' shadows an earlier one
drivers/net/wireless/ath/ath5k/attach.c:109:34: originally declared here

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath5k/attach.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/ath/ath5k/attach.c b/drivers/net/wireless/ath/ath5k/attach.c
index 2d262c7d906..123612a8a5c 100644
--- a/drivers/net/wireless/ath/ath5k/attach.c
+++ b/drivers/net/wireless/ath/ath5k/attach.c
@@ -281,12 +281,12 @@ struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc)
 		goto err_free;
 	}
 
+	ee = &ah->ah_capabilities.cap_eeprom;
+
 	/*
 	 * Write PCI-E power save settings
 	 */
 	if ((ah->ah_version == AR5K_AR5212) && (pdev->is_pcie)) {
-		struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
-
 		ath5k_hw_reg_write(ah, 0x9248fc00, AR5K_PCIE_SERDES);
 		ath5k_hw_reg_write(ah, 0x24924924, AR5K_PCIE_SERDES);
 
@@ -324,7 +324,6 @@ struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc)
 	}
 
 	/* Crypto settings */
-	ee = &ah->ah_capabilities.cap_eeprom;
 	ah->ah_aes_support = srev >= AR5K_SREV_AR5212_V4 &&
 		(ee->ee_version >= AR5K_EEPROM_VERSION_5_0 &&
 		 !AR5K_EEPROM_AES_DIS(ee->ee_misc5));
-- 
GitLab


From 27c51f1a349f3e4eb9c1d6d3a548eafe1828cc7a Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Thu, 10 Sep 2009 11:08:14 -0700
Subject: [PATCH 0084/1815] ath9k: move ath_common to ath_hw

This ensures that we can access common on hw related code
independent of the driver core.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/ath9k.h |  4 +---
 drivers/net/wireless/ath/ath9k/hw.h    |  1 +
 drivers/net/wireless/ath/ath9k/main.c  | 22 +++++++++++-----------
 drivers/net/wireless/ath/ath9k/recv.c  | 10 ++++++----
 4 files changed, 19 insertions(+), 18 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 757f17fddcf..0c64c801a15 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -553,8 +553,6 @@ struct ath_softc {
 	struct ieee80211_hw *hw;
 	struct device *dev;
 
-	struct ath_common common;
-
 	spinlock_t wiphy_lock; /* spinlock to protect ath_wiphy data */
 	struct ath_wiphy *pri_wiphy;
 	struct ath_wiphy **sec_wiphy; /* secondary wiphys (virtual radios); may
@@ -649,7 +647,7 @@ int ath_cabq_update(struct ath_softc *);
 
 static inline struct ath_common *ath9k_hw_common(struct ath_hw *ah)
 {
-	return &ah->ah_sc->common;
+	return &ah->common;
 }
 
 static inline struct ath_regulatory *ath9k_hw_regulatory(struct ath_hw *ah)
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 6aee01343d3..f1dc98927c4 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -435,6 +435,7 @@ struct ath_gen_timer_table {
 
 struct ath_hw {
 	struct ath_softc *ah_sc;
+	struct ath_common common;
 	struct ath9k_hw_version hw_version;
 	struct ath9k_ops_config config;
 	struct ath9k_hw_capabilities caps;
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index a96350d2aac..dc8d47e4d0f 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1348,7 +1348,7 @@ static int ath9k_reg_notifier(struct wiphy *wiphy,
 	struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
 	struct ath_wiphy *aphy = hw->priv;
 	struct ath_softc *sc = aphy->sc;
-	struct ath_regulatory *reg = &sc->common.regulatory;
+	struct ath_regulatory *reg = ath9k_hw_regulatory(sc->sc_ah);
 
 	return ath_reg_notifier_apply(wiphy, request, reg);
 }
@@ -1516,14 +1516,6 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
 	tasklet_init(&sc->bcon_tasklet, ath_beacon_tasklet,
 		     (unsigned long)sc);
 
-	/*
-	 * Cache line size is used to size and align various
-	 * structures used to communicate with the hardware.
-	 */
-	ath_read_cachesize(sc, &csz);
-	/* XXX assert csz is non-zero */
-	sc->common.cachelsz = csz << 2;	/* convert to bytes */
-
 	ah = kzalloc(sizeof(struct ath_hw), GFP_KERNEL);
 	if (!ah) {
 		r = -ENOMEM;
@@ -1535,6 +1527,16 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
 	ah->hw_version.subsysid = subsysid;
 	sc->sc_ah = ah;
 
+	common = ath9k_hw_common(ah);
+
+	/*
+	 * Cache line size is used to size and align various
+	 * structures used to communicate with the hardware.
+	 */
+	ath_read_cachesize(sc, &csz);
+	/* XXX assert csz is non-zero */
+	common->cachelsz = csz << 2;	/* convert to bytes */
+
 	if (ath9k_init_debug(ah) < 0)
 		dev_err(sc->dev, "Unable to create debugfs files\n");
 
@@ -1677,8 +1679,6 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
 	ath9k_hw_setcapability(ah, ATH9K_CAP_DIVERSITY, 1, true, NULL);
 	sc->rx.defant = ath9k_hw_getdefantenna(ah);
 
-	common = ath9k_hw_common(ah);
-
 	if (ah->caps.hw_caps & ATH9K_HW_CAP_BSSIDMASK)
 		memcpy(common->bssidmask, ath_bcast_mac, ETH_ALEN);
 
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 3bdd4e63721..97a5efe18d6 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -297,6 +297,7 @@ static void ath_opmode_init(struct ath_softc *sc)
 
 int ath_rx_init(struct ath_softc *sc, int nbufs)
 {
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	struct sk_buff *skb;
 	struct ath_buf *bf;
 	int error = 0;
@@ -306,10 +307,10 @@ int ath_rx_init(struct ath_softc *sc, int nbufs)
 	spin_lock_init(&sc->rx.rxbuflock);
 
 	sc->rx.bufsize = roundup(IEEE80211_MAX_MPDU_LEN,
-				 min(sc->common.cachelsz, (u16)64));
+				 min(common->cachelsz, (u16)64));
 
 	DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "cachelsz %u rxbufsize %u\n",
-		sc->common.cachelsz, sc->rx.bufsize);
+		common->cachelsz, sc->rx.bufsize);
 
 	/* Initialize rx descriptors */
 
@@ -322,7 +323,7 @@ int ath_rx_init(struct ath_softc *sc, int nbufs)
 	}
 
 	list_for_each_entry(bf, &sc->rx.rxbuf, list) {
-		skb = ath_rxbuf_alloc(&sc->common, sc->rx.bufsize, GFP_KERNEL);
+		skb = ath_rxbuf_alloc(common, sc->rx.bufsize, GFP_KERNEL);
 		if (skb == NULL) {
 			error = -ENOMEM;
 			goto err;
@@ -654,6 +655,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 	struct sk_buff *skb = NULL, *requeue_skb;
 	struct ieee80211_rx_status rx_status;
 	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
 	struct ieee80211_hdr *hdr;
 	int hdrlen, padsize, retval;
 	bool decrypt_error = false;
@@ -752,7 +754,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 
 		/* Ensure we always have an skb to requeue once we are done
 		 * processing the current buffer's skb */
-		requeue_skb = ath_rxbuf_alloc(&sc->common, sc->rx.bufsize, GFP_ATOMIC);
+		requeue_skb = ath_rxbuf_alloc(common, sc->rx.bufsize, GFP_ATOMIC);
 
 		/* If there is no memory we ignore the current RX'd frame,
 		 * tell hardware it can give us a new frame using the old
-- 
GitLab


From db7197184802578314d974e4b2bc961bdcec8f8c Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Thu, 10 Sep 2009 11:20:57 -0700
Subject: [PATCH 0085/1815] ath5k: move ath_common to ath5k_hw

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath5k/ath5k.h |  2 ++
 drivers/net/wireless/ath/ath5k/base.c  | 21 +++++++++++++--------
 drivers/net/wireless/ath/ath5k/base.h  |  3 +--
 3 files changed, 16 insertions(+), 10 deletions(-)

diff --git a/drivers/net/wireless/ath/ath5k/ath5k.h b/drivers/net/wireless/ath/ath5k/ath5k.h
index f46a92e78b3..fee16fdd9c5 100644
--- a/drivers/net/wireless/ath/ath5k/ath5k.h
+++ b/drivers/net/wireless/ath/ath5k/ath5k.h
@@ -35,6 +35,7 @@
  * TODO: Make a more generic struct (eg. add more stuff to ath5k_capabilities)
  * and clean up common bits, then introduce set/get functions in eeprom.c */
 #include "eeprom.h"
+#include "../ath.h"
 
 /* PCI IDs */
 #define PCI_DEVICE_ID_ATHEROS_AR5210 		0x0007 /* AR5210 */
@@ -1020,6 +1021,7 @@ struct ath5k_capabilities {
 /* TODO: Clean up and merge with ath5k_softc */
 struct ath5k_hw {
 	u32			ah_magic;
+	struct ath_common       common;
 
 	struct ath5k_softc	*ah_sc;
 	void __iomem		*ah_iobase;
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index efee68c8b1a..06fc893723f 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -444,6 +444,7 @@ ath5k_pci_probe(struct pci_dev *pdev,
 {
 	void __iomem *mem;
 	struct ath5k_softc *sc;
+	struct ath_common *common;
 	struct ieee80211_hw *hw;
 	int ret;
 	u8 csz;
@@ -547,7 +548,6 @@ ath5k_pci_probe(struct pci_dev *pdev,
 	__set_bit(ATH_STAT_INVALID, sc->status);
 
 	sc->iobase = mem; /* So we can unmap it on detach */
-	sc->common.cachelsz = csz << 2; /* convert to bytes */
 	sc->opmode = NL80211_IFTYPE_STATION;
 	sc->bintval = 1000;
 	mutex_init(&sc->lock);
@@ -572,6 +572,9 @@ ath5k_pci_probe(struct pci_dev *pdev,
 		goto err_irq;
 	}
 
+	common = ath5k_hw_common(sc->ah);
+	common->cachelsz = csz << 2; /* convert to bytes */
+
 	/* set up multi-rate retry capabilities */
 	if (sc->ah->ah_version == AR5K_AR5212) {
 		hw->max_rates = 4;
@@ -718,7 +721,7 @@ static int ath5k_reg_notifier(struct wiphy *wiphy, struct regulatory_request *re
 {
 	struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
 	struct ath5k_softc *sc = hw->priv;
-	struct ath_regulatory *regulatory = &sc->common.regulatory;
+	struct ath_regulatory *regulatory = ath5k_hw_regulatory(sc->ah);
 
 	return ath_reg_notifier_apply(wiphy, request, regulatory);
 }
@@ -728,7 +731,7 @@ ath5k_attach(struct pci_dev *pdev, struct ieee80211_hw *hw)
 {
 	struct ath5k_softc *sc = hw->priv;
 	struct ath5k_hw *ah = sc->ah;
-	struct ath_regulatory *regulatory = &sc->common.regulatory;
+	struct ath_regulatory *regulatory = ath5k_hw_regulatory(ah);
 	u8 mac[ETH_ALEN] = {};
 	int ret;
 
@@ -1153,19 +1156,20 @@ ath5k_hw_to_driver_rix(struct ath5k_softc *sc, int hw_rix)
 static
 struct sk_buff *ath5k_rx_skb_alloc(struct ath5k_softc *sc, dma_addr_t *skb_addr)
 {
+	struct ath_common *common = ath5k_hw_common(sc->ah);
 	struct sk_buff *skb;
 
 	/*
 	 * Allocate buffer with headroom_needed space for the
 	 * fake physical layer header at the start.
 	 */
-	skb = ath_rxbuf_alloc(&sc->common,
-			      sc->rxbufsize + sc->common.cachelsz - 1,
+	skb = ath_rxbuf_alloc(common,
+			      sc->rxbufsize + common->cachelsz - 1,
 			      GFP_ATOMIC);
 
 	if (!skb) {
 		ATH5K_ERR(sc, "can't alloc skbuff of size %u\n",
-				sc->rxbufsize + sc->common.cachelsz - 1);
+				sc->rxbufsize + common->cachelsz - 1);
 		return NULL;
 	}
 
@@ -1606,13 +1610,14 @@ static int
 ath5k_rx_start(struct ath5k_softc *sc)
 {
 	struct ath5k_hw *ah = sc->ah;
+	struct ath_common *common = ath5k_hw_common(ah);
 	struct ath5k_buf *bf;
 	int ret;
 
-	sc->rxbufsize = roundup(IEEE80211_MAX_LEN, sc->common.cachelsz);
+	sc->rxbufsize = roundup(IEEE80211_MAX_LEN, common->cachelsz);
 
 	ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "cachelsz %u rxbufsize %u\n",
-		sc->common.cachelsz, sc->rxbufsize);
+		common->cachelsz, sc->rxbufsize);
 
 	spin_lock_bh(&sc->rxbuflock);
 	sc->rxlink = NULL;
diff --git a/drivers/net/wireless/ath/ath5k/base.h b/drivers/net/wireless/ath/ath5k/base.h
index a28c42f32c9..005d25f2e13 100644
--- a/drivers/net/wireless/ath/ath5k/base.h
+++ b/drivers/net/wireless/ath/ath5k/base.h
@@ -115,7 +115,6 @@ struct ath5k_rfkill {
  * associated with an instance of a device */
 struct ath5k_softc {
 	struct pci_dev		*pdev;		/* for dma mapping */
-	struct ath_common	common;
 	void __iomem		*iobase;	/* address of the device */
 	struct mutex		lock;		/* dev-level lock */
 	struct ieee80211_tx_queue_stats tx_stats[AR5K_NUM_TX_QUEUES];
@@ -204,7 +203,7 @@ struct ath5k_softc {
 
 static inline struct ath_common *ath5k_hw_common(struct ath5k_hw *ah)
 {
-	return &ah->ah_sc->common;
+	return &ah->common;
 }
 
 static inline struct ath_regulatory *ath5k_hw_regulatory(struct ath5k_hw *ah)
-- 
GitLab


From 867633f026456ff71d4c4890f502c7a61b2adac0 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Thu, 10 Sep 2009 12:12:23 -0700
Subject: [PATCH 0086/1815] ath9k: Define bus agnostic bluetooth coex prep
 helper

We disable ASPM when enabling bluetooth coexistance. Disabling
ASPM is a bus specific operation. In the future other buses may
support bluetooth coexistance, an example is USB. To this end
move the current routine which disables ASPM into pci.c, and declare
it the PCI bt_coex_prep() helper. Additionally, since ASPM is
a PCI-Express primitive ensure we don't ever try to muck with ASPM
registers on non PCI-express devices.

This also cleans up hw.c to not include bus specific headers or
utilities.

Cc: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Cc: Stephen Chen <stephen.chen@atheros.com>
Cc: Zhifeng Cai <zhifeng.cai@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/ath9k.h |  1 +
 drivers/net/wireless/ath/ath9k/hw.c    | 14 --------------
 drivers/net/wireless/ath/ath9k/hw.h    |  1 -
 drivers/net/wireless/ath/ath9k/main.c  |  3 ++-
 drivers/net/wireless/ath/ath9k/pci.c   | 17 +++++++++++++++++
 5 files changed, 20 insertions(+), 16 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 0c64c801a15..0962505430e 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -545,6 +545,7 @@ struct ath_bus_ops {
 	void		(*read_cachesize)(struct ath_softc *sc, int *csz);
 	void		(*cleanup)(struct ath_softc *sc);
 	bool		(*eeprom_read)(struct ath_hw *ah, u32 off, u16 *data);
+	void		(*bt_coex_prep)(struct ath_softc *sc);
 };
 
 struct ath_wiphy;
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 4e14c307b3d..a3b1ce32cfc 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -16,7 +16,6 @@
 
 #include <linux/io.h>
 #include <asm/unaligned.h>
-#include <linux/pci.h>
 
 #include "hw.h"
 #include "ath9k.h"
@@ -4294,16 +4293,3 @@ void ath_gen_timer_isr(struct ath_hw *ah)
 		timer->trigger(timer->arg);
 	}
 }
-
-/*
- * Primitive to disable ASPM
- */
-void ath_pcie_aspm_disable(struct ath_softc *sc)
-{
-	struct pci_dev *pdev = to_pci_dev(sc->dev);
-	u8 aspm;
-
-	pci_read_config_byte(pdev, ATH_PCIE_CAP_LINK_CTRL, &aspm);
-	aspm &= ~(ATH_PCIE_CAP_LINK_L0S | ATH_PCIE_CAP_LINK_L1);
-	pci_write_config_byte(pdev, ATH_PCIE_CAP_LINK_CTRL, aspm);
-}
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index f1dc98927c4..f460a06b86a 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -679,5 +679,4 @@ u32 ath9k_hw_gettsf32(struct ath_hw *ah);
 #define ATH_PCIE_CAP_LINK_L0S	1
 #define ATH_PCIE_CAP_LINK_L1	2
 
-void ath_pcie_aspm_disable(struct ath_softc *sc);
 #endif
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index dc8d47e4d0f..27ab378ae53 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -2241,7 +2241,8 @@ static int ath9k_start(struct ieee80211_hw *hw)
 					   AR_STOMP_LOW_WLAN_WGHT);
 		ath9k_hw_btcoex_enable(ah);
 
-		ath_pcie_aspm_disable(sc);
+		if (sc->bus_ops->bt_coex_prep)
+			sc->bus_ops->bt_coex_prep(sc);
 		if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE)
 			ath9k_btcoex_timer_resume(sc);
 	}
diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
index 903dd8ad9d4..f59d22491ce 100644
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -75,10 +75,27 @@ static bool ath_pci_eeprom_read(struct ath_hw *ah, u32 off, u16 *data)
 	return true;
 }
 
+/*
+ * Bluetooth coexistance requires disabling ASPM.
+ */
+static void ath_pci_bt_coex_prep(struct ath_softc *sc)
+{
+	struct pci_dev *pdev = to_pci_dev(sc->dev);
+	u8 aspm;
+
+	if (!pdev->is_pcie)
+		return;
+
+	pci_read_config_byte(pdev, ATH_PCIE_CAP_LINK_CTRL, &aspm);
+	aspm &= ~(ATH_PCIE_CAP_LINK_L0S | ATH_PCIE_CAP_LINK_L1);
+	pci_write_config_byte(pdev, ATH_PCIE_CAP_LINK_CTRL, aspm);
+}
+
 static struct ath_bus_ops ath_pci_bus_ops = {
 	.read_cachesize = ath_pci_read_cachesize,
 	.cleanup = ath_pci_cleanup,
 	.eeprom_read = ath_pci_eeprom_read,
+	.bt_coex_prep = ath_pci_bt_coex_prep,
 };
 
 static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
-- 
GitLab


From 9e4bffd233f27fe83fc48efb01935aee7d0685bf Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Thu, 10 Sep 2009 16:11:21 -0700
Subject: [PATCH 0087/1815] atheros/ath9k: add common read/write ops and port
 ath9k to use it

In an effort to make hw code driver core agnostic read
and write operations are defined on the ath_common structure.
This patch adds that and makes ath9k use it. This allows
drivers like ath9k_htc to define its own read/write ops and
still rely on the same hw code. This also paves the way for
sharing code between ath9k/ath5k/ath9k_htc.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath.h         |  6 ++++
 drivers/net/wireless/ath/ath9k/ath9k.h | 13 --------
 drivers/net/wireless/ath/ath9k/hw.c    | 32 --------------------
 drivers/net/wireless/ath/ath9k/hw.h    | 17 +++++++++--
 drivers/net/wireless/ath/ath9k/main.c  | 42 ++++++++++++++++++++++++++
 5 files changed, 63 insertions(+), 47 deletions(-)

diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h
index 7589b2aa030..38be4279aff 100644
--- a/drivers/net/wireless/ath/ath.h
+++ b/drivers/net/wireless/ath/ath.h
@@ -39,6 +39,11 @@ struct ath_regulatory {
 	struct reg_dmn_pair_mapping *regpair;
 };
 
+struct ath_ops {
+	unsigned int (*read)(void *, u32 reg_offset);
+        void (*write)(void *, u32 val, u32 reg_offset);
+};
+
 struct ath_common {
 	u16 cachelsz;
 	u16 curaid;
@@ -46,6 +51,7 @@ struct ath_common {
 	u8 curbssid[ETH_ALEN];
 	u8 bssidmask[ETH_ALEN];
 	struct ath_regulatory regulatory;
+	struct ath_ops *ops;
 };
 
 struct sk_buff *ath_rxbuf_alloc(struct ath_common *common,
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 0962505430e..7c740cf50f7 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -646,16 +646,6 @@ int ath_get_hal_qnum(u16 queue, struct ath_softc *sc);
 int ath_get_mac80211_qnum(u32 queue, struct ath_softc *sc);
 int ath_cabq_update(struct ath_softc *);
 
-static inline struct ath_common *ath9k_hw_common(struct ath_hw *ah)
-{
-	return &ah->common;
-}
-
-static inline struct ath_regulatory *ath9k_hw_regulatory(struct ath_hw *ah)
-{
-	return &(ath9k_hw_common(ah)->regulatory);
-}
-
 static inline void ath_read_cachesize(struct ath_softc *sc, int *csz)
 {
 	sc->bus_ops->read_cachesize(sc, csz);
@@ -718,8 +708,5 @@ bool ath9k_wiphy_scanning(struct ath_softc *sc);
 void ath9k_wiphy_work(struct work_struct *work);
 bool ath9k_all_wiphys_idle(struct ath_softc *sc);
 
-void ath9k_iowrite32(struct ath_hw *ah, u32 reg_offset, u32 val);
-unsigned int ath9k_ioread32(struct ath_hw *ah, u32 reg_offset);
-
 int ath_tx_get_qnum(struct ath_softc *sc, int qtype, int haltype);
 #endif /* ATH9K_H */
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index a3b1ce32cfc..0ad25987d85 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -81,38 +81,6 @@ static u32 ath9k_hw_mac_to_clks(struct ath_hw *ah, u32 usecs)
 		return ath9k_hw_mac_clks(ah, usecs);
 }
 
-/*
- * Read and write, they both share the same lock. We do this to serialize
- * reads and writes on Atheros 802.11n PCI devices only. This is required
- * as the FIFO on these devices can only accept sanely 2 requests. After
- * that the device goes bananas. Serializing the reads/writes prevents this
- * from happening.
- */
-
-void ath9k_iowrite32(struct ath_hw *ah, u32 reg_offset, u32 val)
-{
-	if (ah->config.serialize_regmode == SER_REG_MODE_ON) {
-		unsigned long flags;
-		spin_lock_irqsave(&ah->ah_sc->sc_serial_rw, flags);
-		iowrite32(val, ah->ah_sc->mem + reg_offset);
-		spin_unlock_irqrestore(&ah->ah_sc->sc_serial_rw, flags);
-	} else
-		iowrite32(val, ah->ah_sc->mem + reg_offset);
-}
-
-unsigned int ath9k_ioread32(struct ath_hw *ah, u32 reg_offset)
-{
-	u32 val;
-	if (ah->config.serialize_regmode == SER_REG_MODE_ON) {
-		unsigned long flags;
-		spin_lock_irqsave(&ah->ah_sc->sc_serial_rw, flags);
-		val = ioread32(ah->ah_sc->mem + reg_offset);
-		spin_unlock_irqrestore(&ah->ah_sc->sc_serial_rw, flags);
-	} else
-		val = ioread32(ah->ah_sc->mem + reg_offset);
-	return val;
-}
-
 bool ath9k_hw_wait(struct ath_hw *ah, u32 reg, u32 mask, u32 val, u32 timeout)
 {
 	int i;
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index f460a06b86a..ae351a18341 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -51,8 +51,11 @@
 #define AT9285_COEX3WIRE_DA_SUBSYSID	0x30ab
 
 /* Register read/write primitives */
-#define REG_WRITE(_ah, _reg, _val) ath9k_iowrite32((_ah), (_reg), (_val))
-#define REG_READ(_ah, _reg) ath9k_ioread32((_ah), (_reg))
+#define REG_WRITE(_ah, _reg, _val) \
+	ath9k_hw_common(_ah)->ops->write((_ah), (_val), (_reg))
+
+#define REG_READ(_ah, _reg) \
+	ath9k_hw_common(_ah)->ops->read((_ah), (_reg))
 
 #define SM(_v, _f)  (((_v) << _f##_S) & _f)
 #define MS(_v, _f)  (((_v) & _f) >> _f##_S)
@@ -588,6 +591,16 @@ struct ath_hw {
 	struct ath_gen_timer_table hw_gen_timers;
 };
 
+static inline struct ath_common *ath9k_hw_common(struct ath_hw *ah)
+{
+	return &ah->common;
+}
+
+static inline struct ath_regulatory *ath9k_hw_regulatory(struct ath_hw *ah)
+{
+	return &(ath9k_hw_common(ah)->regulatory);
+}
+
 /* Initialization, Detach, Reset */
 const char *ath9k_hw_probe(u16 vendorid, u16 devid);
 void ath9k_hw_detach(struct ath_hw *ah);
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 27ab378ae53..4a85f6ccb50 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1489,6 +1489,47 @@ static int ath_init_btcoex_timer(struct ath_softc *sc)
 	return 0;
 }
 
+/*
+ * Read and write, they both share the same lock. We do this to serialize
+ * reads and writes on Atheros 802.11n PCI devices only. This is required
+ * as the FIFO on these devices can only accept sanely 2 requests. After
+ * that the device goes bananas. Serializing the reads/writes prevents this
+ * from happening.
+ */
+
+static void ath9k_iowrite32(void *hw_priv, u32 val, u32 reg_offset)
+{
+	struct ath_hw *ah = (struct ath_hw *) hw_priv;
+
+	if (ah->config.serialize_regmode == SER_REG_MODE_ON) {
+		unsigned long flags;
+		spin_lock_irqsave(&ah->ah_sc->sc_serial_rw, flags);
+		iowrite32(val, ah->ah_sc->mem + reg_offset);
+		spin_unlock_irqrestore(&ah->ah_sc->sc_serial_rw, flags);
+	} else
+		iowrite32(val, ah->ah_sc->mem + reg_offset);
+}
+
+static unsigned int ath9k_ioread32(void *hw_priv, u32 reg_offset)
+{
+	struct ath_hw *ah = (struct ath_hw *) hw_priv;
+	u32 val;
+
+	if (ah->config.serialize_regmode == SER_REG_MODE_ON) {
+		unsigned long flags;
+		spin_lock_irqsave(&ah->ah_sc->sc_serial_rw, flags);
+		val = ioread32(ah->ah_sc->mem + reg_offset);
+		spin_unlock_irqrestore(&ah->ah_sc->sc_serial_rw, flags);
+	} else
+		val = ioread32(ah->ah_sc->mem + reg_offset);
+	return val;
+}
+
+static struct ath_ops ath9k_common_ops = {
+	.read = ath9k_ioread32,
+	.write = ath9k_iowrite32,
+};
+
 /*
  * Initialize and fill ath_softc, ath_sofct is the
  * "Software Carrier" struct. Historically it has existed
@@ -1528,6 +1569,7 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
 	sc->sc_ah = ah;
 
 	common = ath9k_hw_common(ah);
+	common->ops = &ath9k_common_ops;
 
 	/*
 	 * Cache line size is used to size and align various
-- 
GitLab


From 9adca126dbf4bf099bc7051deb6b566725a046dc Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Thu, 10 Sep 2009 18:04:47 -0700
Subject: [PATCH 0088/1815] ath5k: allocate ath5k_hw prior to initializing hw

We can propagate better errors upon failed hw initialization,
and set up the ath_common structure for attach purposes. This
will become important once we start using the ath_common
for read/write ops.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath.h          |  2 +-
 drivers/net/wireless/ath/ath5k/ath5k.h  |  2 +-
 drivers/net/wireless/ath/ath5k/attach.c | 23 ++++-------------------
 drivers/net/wireless/ath/ath5k/base.c   | 20 ++++++++++++++++----
 4 files changed, 22 insertions(+), 25 deletions(-)

diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h
index 38be4279aff..be68cb8cf70 100644
--- a/drivers/net/wireless/ath/ath.h
+++ b/drivers/net/wireless/ath/ath.h
@@ -51,7 +51,7 @@ struct ath_common {
 	u8 curbssid[ETH_ALEN];
 	u8 bssidmask[ETH_ALEN];
 	struct ath_regulatory regulatory;
-	struct ath_ops *ops;
+	const struct ath_ops *ops;
 };
 
 struct sk_buff *ath_rxbuf_alloc(struct ath_common *common,
diff --git a/drivers/net/wireless/ath/ath5k/ath5k.h b/drivers/net/wireless/ath/ath5k/ath5k.h
index fee16fdd9c5..29ce868b1f1 100644
--- a/drivers/net/wireless/ath/ath5k/ath5k.h
+++ b/drivers/net/wireless/ath/ath5k/ath5k.h
@@ -1147,7 +1147,7 @@ struct ath5k_hw {
  */
 
 /* Attach/Detach Functions */
-extern struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc);
+extern int ath5k_hw_attach(struct ath5k_softc *sc);
 extern void ath5k_hw_detach(struct ath5k_hw *ah);
 
 /* LED functions */
diff --git a/drivers/net/wireless/ath/ath5k/attach.c b/drivers/net/wireless/ath/ath5k/attach.c
index 123612a8a5c..c0840aba271 100644
--- a/drivers/net/wireless/ath/ath5k/attach.c
+++ b/drivers/net/wireless/ath/ath5k/attach.c
@@ -101,28 +101,15 @@ static int ath5k_hw_post(struct ath5k_hw *ah)
  * -ENODEV if the device is not supported or prints an error msg if something
  * else went wrong.
  */
-struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc)
+int ath5k_hw_attach(struct ath5k_softc *sc)
 {
-	struct ath5k_hw *ah;
+	struct ath5k_hw *ah = sc->ah;
 	struct ath_common *common;
 	struct pci_dev *pdev = sc->pdev;
 	struct ath5k_eeprom_info *ee;
 	int ret;
 	u32 srev;
 
-	/*If we passed the test malloc a ath5k_hw struct*/
-	ah = kzalloc(sizeof(struct ath5k_hw), GFP_KERNEL);
-	if (ah == NULL) {
-		ret = -ENOMEM;
-		ATH5K_ERR(sc, "out of memory\n");
-		goto err;
-	}
-
-	ah->ah_sc = sc;
-	ah->ah_sc->ah = ah;
-	ah->ah_iobase = sc->iobase;
-	common = ath5k_hw_common(ah);
-
 	/*
 	 * HW information
 	 */
@@ -347,11 +334,10 @@ struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc)
 	/* turn on HW LEDs */
 	ath5k_hw_set_ledstate(ah, AR5K_LED_INIT);
 
-	return ah;
+	return 0;
 err_free:
 	kfree(ah);
-err:
-	return ERR_PTR(ret);
+	return ret;
 }
 
 /**
@@ -371,5 +357,4 @@ void ath5k_hw_detach(struct ath5k_hw *ah)
 	ath5k_eeprom_detach(ah);
 
 	/* assume interrupts are down */
-	kfree(ah);
 }
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index 06fc893723f..3cb07520d47 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -565,16 +565,25 @@ ath5k_pci_probe(struct pci_dev *pdev,
 		goto err_free;
 	}
 
-	/* Initialize device */
-	sc->ah = ath5k_hw_attach(sc);
-	if (IS_ERR(sc->ah)) {
-		ret = PTR_ERR(sc->ah);
+	/*If we passed the test malloc a ath5k_hw struct*/
+	sc->ah = kzalloc(sizeof(struct ath5k_hw), GFP_KERNEL);
+	if (!sc->ah) {
+		ret = -ENOMEM;
+		ATH5K_ERR(sc, "out of memory\n");
 		goto err_irq;
 	}
 
+	sc->ah->ah_sc = sc;
+	sc->ah->ah_iobase = sc->iobase;
 	common = ath5k_hw_common(sc->ah);
 	common->cachelsz = csz << 2; /* convert to bytes */
 
+	/* Initialize device */
+	ret = ath5k_hw_attach(sc);
+	if (ret) {
+		goto err_free_ah;
+	}
+
 	/* set up multi-rate retry capabilities */
 	if (sc->ah->ah_version == AR5K_AR5212) {
 		hw->max_rates = 4;
@@ -643,6 +652,8 @@ err_ah:
 	ath5k_hw_detach(sc->ah);
 err_irq:
 	free_irq(pdev->irq, sc);
+err_free_ah:
+	kfree(sc->ah);
 err_free:
 	ieee80211_free_hw(hw);
 err_map:
@@ -664,6 +675,7 @@ ath5k_pci_remove(struct pci_dev *pdev)
 	ath5k_debug_finish_device(sc);
 	ath5k_detach(pdev, hw);
 	ath5k_hw_detach(sc->ah);
+	kfree(sc->ah);
 	free_irq(pdev->irq, sc);
 	pci_iounmap(pdev, sc->iobase);
 	pci_release_region(pdev, 0);
-- 
GitLab


From e5aa847489e543e33a7c72898e72183871ce2916 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Thu, 10 Sep 2009 16:55:11 -0700
Subject: [PATCH 0089/1815] ath5k: define ath_common ops

Only common ath read/write ops go through the common ops.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath5k/ath5k.h | 16 ++++++++++------
 drivers/net/wireless/ath/ath5k/base.c  | 17 +++++++++++++++++
 drivers/net/wireless/ath/ath5k/base.h  | 11 -----------
 3 files changed, 27 insertions(+), 17 deletions(-)

diff --git a/drivers/net/wireless/ath/ath5k/ath5k.h b/drivers/net/wireless/ath/ath5k/ath5k.h
index 29ce868b1f1..1416562e4d1 100644
--- a/drivers/net/wireless/ath/ath5k/ath5k.h
+++ b/drivers/net/wireless/ath/ath5k/ath5k.h
@@ -1315,17 +1315,21 @@ static inline unsigned int ath5k_hw_clocktoh(unsigned int clock, bool turbo)
 	return turbo ? (clock / 80) : (clock / 40);
 }
 
-/*
- * Read from a register
- */
+static inline struct ath_common *ath5k_hw_common(struct ath5k_hw *ah)
+{
+        return &ah->common;
+}
+
+static inline struct ath_regulatory *ath5k_hw_regulatory(struct ath5k_hw *ah)
+{
+        return &(ath5k_hw_common(ah)->regulatory);
+}
+
 static inline u32 ath5k_hw_reg_read(struct ath5k_hw *ah, u16 reg)
 {
 	return ioread32(ah->ah_iobase + reg);
 }
 
-/*
- * Write to a register
- */
 static inline void ath5k_hw_reg_write(struct ath5k_hw *ah, u32 val, u16 reg)
 {
 	iowrite32(val, ah->ah_iobase + reg);
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index 3cb07520d47..13bbf3dfc6c 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -437,6 +437,22 @@ ath5k_chip_name(enum ath5k_srev_type type, u_int16_t val)
 
 	return name;
 }
+static unsigned int ath5k_ioread32(void *hw_priv, u32 reg_offset)
+{
+	struct ath5k_hw *ah = (struct ath5k_hw *) hw_priv;
+	return ath5k_hw_reg_read(ah, reg_offset);
+}
+
+static void ath5k_iowrite32(void *hw_priv, u32 val, u32 reg_offset)
+{
+	struct ath5k_hw *ah = (struct ath5k_hw *) hw_priv;
+	ath5k_hw_reg_write(ah, val, reg_offset);
+}
+
+static const struct ath_ops ath5k_common_ops = {
+	.read = ath5k_ioread32,
+	.write = ath5k_iowrite32,
+};
 
 static int __devinit
 ath5k_pci_probe(struct pci_dev *pdev,
@@ -576,6 +592,7 @@ ath5k_pci_probe(struct pci_dev *pdev,
 	sc->ah->ah_sc = sc;
 	sc->ah->ah_iobase = sc->iobase;
 	common = ath5k_hw_common(sc->ah);
+	common->ops = &ath5k_common_ops;
 	common->cachelsz = csz << 2; /* convert to bytes */
 
 	/* Initialize device */
diff --git a/drivers/net/wireless/ath/ath5k/base.h b/drivers/net/wireless/ath/ath5k/base.h
index 005d25f2e13..b14ba07e915 100644
--- a/drivers/net/wireless/ath/ath5k/base.h
+++ b/drivers/net/wireless/ath/ath5k/base.h
@@ -201,15 +201,4 @@ struct ath5k_softc {
 #define ath5k_hw_hasveol(_ah) \
 	(ath5k_hw_get_capability(_ah, AR5K_CAP_VEOL, 0, NULL) == 0)
 
-static inline struct ath_common *ath5k_hw_common(struct ath5k_hw *ah)
-{
-	return &ah->common;
-}
-
-static inline struct ath_regulatory *ath5k_hw_regulatory(struct ath5k_hw *ah)
-{
-	return &(ath5k_hw_common(ah)->regulatory);
-
-}
-
 #endif
-- 
GitLab


From 13b81559200b8e54473e5b140323cbb5f2bb21c0 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Thu, 10 Sep 2009 17:52:45 -0700
Subject: [PATCH 0090/1815] atheros: define shared bssidmask setting

Also make ath5k and ath9k use it, and share register definitions.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/Makefile         |   5 +-
 drivers/net/wireless/ath/ath.h            |   3 +
 drivers/net/wireless/ath/ath5k/ath5k.h    |   2 +-
 drivers/net/wireless/ath/ath5k/attach.c   |   2 +-
 drivers/net/wireless/ath/ath5k/base.c     |   1 +
 drivers/net/wireless/ath/ath5k/initvals.c |   4 +-
 drivers/net/wireless/ath/ath5k/pcu.c      | 121 ++-------------------
 drivers/net/wireless/ath/ath5k/reg.h      |   8 +-
 drivers/net/wireless/ath/ath9k/hw.c       |  10 +-
 drivers/net/wireless/ath/ath9k/main.c     |   1 +
 drivers/net/wireless/ath/ath9k/recv.c     |   2 +-
 drivers/net/wireless/ath/ath9k/reg.h      |   5 +-
 drivers/net/wireless/ath/ath9k/virtual.c  |   2 +-
 drivers/net/wireless/ath/hw.c             | 126 ++++++++++++++++++++++
 drivers/net/wireless/ath/reg.h            |  27 +++++
 15 files changed, 179 insertions(+), 140 deletions(-)
 create mode 100644 drivers/net/wireless/ath/hw.c
 create mode 100644 drivers/net/wireless/ath/reg.h

diff --git a/drivers/net/wireless/ath/Makefile b/drivers/net/wireless/ath/Makefile
index 4bb0132ada3..6ebf2148167 100644
--- a/drivers/net/wireless/ath/Makefile
+++ b/drivers/net/wireless/ath/Makefile
@@ -3,4 +3,7 @@ obj-$(CONFIG_ATH9K)		+= ath9k/
 obj-$(CONFIG_AR9170_USB)        += ar9170/
 
 obj-$(CONFIG_ATH_COMMON)	+= ath.o
-ath-objs 		:= main.o regd.o
+
+ath-objs :=	main.o \
+		regd.o \
+		hw.o
diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h
index be68cb8cf70..0582ee4a493 100644
--- a/drivers/net/wireless/ath/ath.h
+++ b/drivers/net/wireless/ath/ath.h
@@ -45,6 +45,7 @@ struct ath_ops {
 };
 
 struct ath_common {
+	void *ah;
 	u16 cachelsz;
 	u16 curaid;
 	u8 macaddr[ETH_ALEN];
@@ -58,4 +59,6 @@ struct sk_buff *ath_rxbuf_alloc(struct ath_common *common,
 				u32 len,
 				gfp_t gfp_mask);
 
+void ath_hw_setbssidmask(struct ath_common *common);
+
 #endif /* ATH_H */
diff --git a/drivers/net/wireless/ath/ath5k/ath5k.h b/drivers/net/wireless/ath/ath5k/ath5k.h
index 1416562e4d1..43585d54c27 100644
--- a/drivers/net/wireless/ath/ath5k/ath5k.h
+++ b/drivers/net/wireless/ath/ath5k/ath5k.h
@@ -1192,7 +1192,7 @@ extern int ath5k_hw_set_opmode(struct ath5k_hw *ah);
 /* BSSID Functions */
 extern int ath5k_hw_set_lladdr(struct ath5k_hw *ah, const u8 *mac);
 extern void ath5k_hw_set_associd(struct ath5k_hw *ah, const u8 *bssid, u16 assoc_id);
-extern int ath5k_hw_set_bssid_mask(struct ath5k_hw *ah, const u8 *mask);
+extern void ath5k_hw_set_bssid_mask(struct ath5k_hw *ah, const u8 *mask);
 /* Receive start/stop functions */
 extern void ath5k_hw_start_rx_pcu(struct ath5k_hw *ah);
 extern void ath5k_hw_stop_rx_pcu(struct ath5k_hw *ah);
diff --git a/drivers/net/wireless/ath/ath5k/attach.c b/drivers/net/wireless/ath/ath5k/attach.c
index c0840aba271..e230de8ad32 100644
--- a/drivers/net/wireless/ath/ath5k/attach.c
+++ b/drivers/net/wireless/ath/ath5k/attach.c
@@ -104,7 +104,7 @@ static int ath5k_hw_post(struct ath5k_hw *ah)
 int ath5k_hw_attach(struct ath5k_softc *sc)
 {
 	struct ath5k_hw *ah = sc->ah;
-	struct ath_common *common;
+	struct ath_common *common = ath5k_hw_common(ah);
 	struct pci_dev *pdev = sc->pdev;
 	struct ath5k_eeprom_info *ee;
 	int ret;
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index 13bbf3dfc6c..1abbebc2bd2 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -593,6 +593,7 @@ ath5k_pci_probe(struct pci_dev *pdev,
 	sc->ah->ah_iobase = sc->iobase;
 	common = ath5k_hw_common(sc->ah);
 	common->ops = &ath5k_common_ops;
+	common->ah = sc->ah;
 	common->cachelsz = csz << 2; /* convert to bytes */
 
 	/* Initialize device */
diff --git a/drivers/net/wireless/ath/ath5k/initvals.c b/drivers/net/wireless/ath/ath5k/initvals.c
index 18eb5190ce4..8fa43930882 100644
--- a/drivers/net/wireless/ath/ath5k/initvals.c
+++ b/drivers/net/wireless/ath/ath5k/initvals.c
@@ -560,8 +560,8 @@ static const struct ath5k_ini ar5212_ini_common_start[] = {
 	{ AR5K_SLEEP0,		0x0002aaaa },
 	{ AR5K_SLEEP1,		0x02005555 },
 	{ AR5K_SLEEP2,		0x00000000 },
-	{ AR5K_BSS_IDM0,	0xffffffff },
-	{ AR5K_BSS_IDM1,	0x0000ffff },
+	{ AR_BSSMSKL,		0xffffffff },
+	{ AR_BSSMSKU,		0x0000ffff },
 	{ AR5K_TXPC,		0x00000000 },
 	{ AR5K_PROFCNT_TX,	0x00000000 },
 	{ AR5K_PROFCNT_RX,	0x00000000 },
diff --git a/drivers/net/wireless/ath/ath5k/pcu.c b/drivers/net/wireless/ath/ath5k/pcu.c
index f03c06d583e..9ac763875a9 100644
--- a/drivers/net/wireless/ath/ath5k/pcu.c
+++ b/drivers/net/wireless/ath/ath5k/pcu.c
@@ -290,10 +290,10 @@ void ath5k_hw_set_associd(struct ath5k_hw *ah, const u8 *bssid, u16 assoc_id)
 	 */
 	if (ah->ah_version == AR5K_AR5212) {
 		ath5k_hw_reg_write(ah, get_unaligned_le32(common->bssidmask),
-							AR5K_BSS_IDM0);
+				   AR_BSSMSKL);
 		ath5k_hw_reg_write(ah,
 				   get_unaligned_le16(common->curbssid + 4),
-				   AR5K_BSS_IDM1);
+				   AR_BSSMSKU);
 	}
 
 	/*
@@ -301,9 +301,9 @@ void ath5k_hw_set_associd(struct ath5k_hw *ah, const u8 *bssid, u16 assoc_id)
 	 */
 	low_id = get_unaligned_le32(bssid);
 	high_id = get_unaligned_le16(bssid);
-	ath5k_hw_reg_write(ah, low_id, AR5K_BSS_ID0);
+	ath5k_hw_reg_write(ah, low_id, AR_BSSMSKL);
 	ath5k_hw_reg_write(ah, high_id | ((assoc_id & 0x3fff) <<
-				AR5K_BSS_ID1_AID_S), AR5K_BSS_ID1);
+				AR5K_BSS_ID1_AID_S), AR_BSSMSKU);
 
 	if (assoc_id == 0) {
 		ath5k_hw_disable_pspoll(ah);
@@ -316,125 +316,18 @@ void ath5k_hw_set_associd(struct ath5k_hw *ah, const u8 *bssid, u16 assoc_id)
 	ath5k_hw_enable_pspoll(ah, NULL, 0);
 }
 
-/**
- * ath5k_hw_set_bssid_mask - filter out bssids we listen
- *
- * @ah: the &struct ath5k_hw
- * @mask: the bssid_mask, a u8 array of size ETH_ALEN
- *
- * BSSID masking is a method used by AR5212 and newer hardware to inform PCU
- * which bits of the interface's MAC address should be looked at when trying
- * to decide which packets to ACK. In station mode and AP mode with a single
- * BSS every bit matters since we lock to only one BSS. In AP mode with
- * multiple BSSes (virtual interfaces) not every bit matters because hw must
- * accept frames for all BSSes and so we tweak some bits of our mac address
- * in order to have multiple BSSes.
- *
- * NOTE: This is a simple filter and does *not* filter out all
- * relevant frames. Some frames that are not for us might get ACKed from us
- * by PCU because they just match the mask.
- *
- * When handling multiple BSSes you can get the BSSID mask by computing the
- * set of  ~ ( MAC XOR BSSID ) for all bssids we handle.
- *
- * When you do this you are essentially computing the common bits of all your
- * BSSes. Later it is assumed the harware will "and" (&) the BSSID mask with
- * the MAC address to obtain the relevant bits and compare the result with
- * (frame's BSSID & mask) to see if they match.
- */
-/*
- * Simple example: on your card you have have two BSSes you have created with
- * BSSID-01 and BSSID-02. Lets assume BSSID-01 will not use the MAC address.
- * There is another BSSID-03 but you are not part of it. For simplicity's sake,
- * assuming only 4 bits for a mac address and for BSSIDs you can then have:
- *
- *                  \
- * MAC:        0001 |
- * BSSID-01:   0100 | --> Belongs to us
- * BSSID-02:   1001 |
- *                  /
- * -------------------
- * BSSID-03:   0110  | --> External
- * -------------------
- *
- * Our bssid_mask would then be:
- *
- *             On loop iteration for BSSID-01:
- *             ~(0001 ^ 0100)  -> ~(0101)
- *                             ->   1010
- *             bssid_mask      =    1010
- *
- *             On loop iteration for BSSID-02:
- *             bssid_mask &= ~(0001   ^   1001)
- *             bssid_mask =   (1010)  & ~(0001 ^ 1001)
- *             bssid_mask =   (1010)  & ~(1001)
- *             bssid_mask =   (1010)  &  (0110)
- *             bssid_mask =   0010
- *
- * A bssid_mask of 0010 means "only pay attention to the second least
- * significant bit". This is because its the only bit common
- * amongst the MAC and all BSSIDs we support. To findout what the real
- * common bit is we can simply "&" the bssid_mask now with any BSSID we have
- * or our MAC address (we assume the hardware uses the MAC address).
- *
- * Now, suppose there's an incoming frame for BSSID-03:
- *
- * IFRAME-01:  0110
- *
- * An easy eye-inspeciton of this already should tell you that this frame
- * will not pass our check. This is beacuse the bssid_mask tells the
- * hardware to only look at the second least significant bit and the
- * common bit amongst the MAC and BSSIDs is 0, this frame has the 2nd LSB
- * as 1, which does not match 0.
- *
- * So with IFRAME-01 we *assume* the hardware will do:
- *
- *     allow = (IFRAME-01 & bssid_mask) == (bssid_mask & MAC) ? 1 : 0;
- *  --> allow = (0110 & 0010) == (0010 & 0001) ? 1 : 0;
- *  --> allow = (0010) == 0000 ? 1 : 0;
- *  --> allow = 0
- *
- *  Lets now test a frame that should work:
- *
- * IFRAME-02:  0001 (we should allow)
- *
- *     allow = (0001 & 1010) == 1010
- *
- *     allow = (IFRAME-02 & bssid_mask) == (bssid_mask & MAC) ? 1 : 0;
- *  --> allow = (0001 & 0010) ==  (0010 & 0001) ? 1 :0;
- *  --> allow = (0010) == (0010)
- *  --> allow = 1
- *
- * Other examples:
- *
- * IFRAME-03:  0100 --> allowed
- * IFRAME-04:  1001 --> allowed
- * IFRAME-05:  1101 --> allowed but its not for us!!!
- *
- */
-int ath5k_hw_set_bssid_mask(struct ath5k_hw *ah, const u8 *mask)
+void ath5k_hw_set_bssid_mask(struct ath5k_hw *ah, const u8 *mask)
 {
 	struct ath_common *common = ath5k_hw_common(ah);
-	u32 low_id, high_id;
 	ATH5K_TRACE(ah->ah_sc);
 
 	/* Cache bssid mask so that we can restore it
 	 * on reset */
 	memcpy(common->bssidmask, mask, ETH_ALEN);
-	if (ah->ah_version == AR5K_AR5212) {
-		low_id = get_unaligned_le32(mask);
-		high_id = get_unaligned_le16(mask + 4);
-
-		ath5k_hw_reg_write(ah, low_id, AR5K_BSS_IDM0);
-		ath5k_hw_reg_write(ah, high_id, AR5K_BSS_IDM1);
-
-		return 0;
-	}
-
-	return -EIO;
+	if (ah->ah_version == AR5K_AR5212)
+		ath_hw_setbssidmask(common);
 }
 
-
 /************\
 * RX Control *
 \************/
diff --git a/drivers/net/wireless/ath/ath5k/reg.h b/drivers/net/wireless/ath/ath5k/reg.h
index c63ea6afd96..64227abe3c2 100644
--- a/drivers/net/wireless/ath/ath5k/reg.h
+++ b/drivers/net/wireless/ath/ath5k/reg.h
@@ -35,7 +35,7 @@
  * released by Atheros and on various debug messages found on the net.
  */
 
-
+#include "../reg.h"
 
 /*====MAC DMA REGISTERS====*/
 
@@ -1649,12 +1649,6 @@
 #define AR5K_SLEEP2_DTIM_PER		0xffff0000	/* Mask for DTIM period (?) */
 #define AR5K_SLEEP2_DTIM_PER_S		16
 
-/*
- * BSSID mask registers
- */
-#define AR5K_BSS_IDM0			0x80e0	/* Upper bits */
-#define AR5K_BSS_IDM1			0x80e4	/* Lower bits */
-
 /*
  * TX power control (TPC) register
  *
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 0ad25987d85..5fb94fa45ff 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2441,7 +2441,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 		  | ah->sta_id1_defaults);
 	ath9k_hw_set_operating_mode(ah, ah->opmode);
 
-	ath9k_hw_setbssidmask(ah);
+	ath_hw_setbssidmask(common);
 
 	REG_WRITE(ah, AR_DEF_ANTENNA, saveDefAntenna);
 
@@ -3990,14 +3990,6 @@ void ath9k_hw_setmcastfilter(struct ath_hw *ah, u32 filter0, u32 filter1)
 	REG_WRITE(ah, AR_MCAST_FIL1, filter1);
 }
 
-void ath9k_hw_setbssidmask(struct ath_hw *ah)
-{
-	struct ath_common *common = ath9k_hw_common(ah);
-
-	REG_WRITE(ah, AR_BSSMSKL, get_unaligned_le32(common->bssidmask));
-	REG_WRITE(ah, AR_BSSMSKU, get_unaligned_le16(common->bssidmask + 4));
-}
-
 void ath9k_hw_write_associd(struct ath_hw *ah)
 {
 	struct ath_common *common = ath9k_hw_common(ah);
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 4a85f6ccb50..d752b167f5a 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1570,6 +1570,7 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
 
 	common = ath9k_hw_common(ah);
 	common->ops = &ath9k_common_ops;
+	common->ah = ah;
 
 	/*
 	 * Cache line size is used to size and align various
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 97a5efe18d6..fb635a0a34e 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -282,7 +282,7 @@ static void ath_opmode_init(struct ath_softc *sc)
 
 	/* configure bssid mask */
 	if (ah->caps.hw_caps & ATH9K_HW_CAP_BSSIDMASK)
-		ath9k_hw_setbssidmask(ah);
+		ath_hw_setbssidmask(common);
 
 	/* configure operational mode */
 	ath9k_hw_setopmode(ah);
diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h
index d83b77f821e..ceed0095efa 100644
--- a/drivers/net/wireless/ath/ath9k/reg.h
+++ b/drivers/net/wireless/ath/ath9k/reg.h
@@ -17,6 +17,8 @@
 #ifndef REG_H
 #define REG_H
 
+#include "../reg.h"
+
 #define AR_CR                0x0008
 #define AR_CR_RXE            0x00000004
 #define AR_CR_RXD            0x00000020
@@ -1421,9 +1423,6 @@ enum {
 #define AR_SLEEP2_BEACON_TIMEOUT    0xFFE00000
 #define AR_SLEEP2_BEACON_TIMEOUT_S  21
 
-#define AR_BSSMSKL            0x80e0
-#define AR_BSSMSKU            0x80e4
-
 #define AR_TPC                 0x80e8
 #define AR_TPC_ACK             0x0000003f
 #define AR_TPC_ACK_S           0x00
diff --git a/drivers/net/wireless/ath/ath9k/virtual.c b/drivers/net/wireless/ath/ath9k/virtual.c
index 7b763b6555f..bc7d173b6fa 100644
--- a/drivers/net/wireless/ath/ath9k/virtual.c
+++ b/drivers/net/wireless/ath/ath9k/virtual.c
@@ -94,7 +94,7 @@ void ath9k_set_bssid_mask(struct ieee80211_hw *hw)
 	common->bssidmask[4] = ~mask[4];
 	common->bssidmask[5] = ~mask[5];
 
-	ath9k_hw_setbssidmask(sc->sc_ah);
+	ath_hw_setbssidmask(common);
 }
 
 int ath9k_wiphy_add(struct ath_softc *sc)
diff --git a/drivers/net/wireless/ath/hw.c b/drivers/net/wireless/ath/hw.c
new file mode 100644
index 00000000000..ecc9eb01f4f
--- /dev/null
+++ b/drivers/net/wireless/ath/hw.c
@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) 2009 Atheros Communications Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <asm/unaligned.h>
+
+#include "ath.h"
+#include "reg.h"
+
+#define REG_READ	common->ops->read
+#define REG_WRITE	common->ops->write
+
+/**
+ * ath_hw_set_bssid_mask - filter out bssids we listen
+ *
+ * @common: the ath_common struct for the device.
+ *
+ * BSSID masking is a method used by AR5212 and newer hardware to inform PCU
+ * which bits of the interface's MAC address should be looked at when trying
+ * to decide which packets to ACK. In station mode and AP mode with a single
+ * BSS every bit matters since we lock to only one BSS. In AP mode with
+ * multiple BSSes (virtual interfaces) not every bit matters because hw must
+ * accept frames for all BSSes and so we tweak some bits of our mac address
+ * in order to have multiple BSSes.
+ *
+ * NOTE: This is a simple filter and does *not* filter out all
+ * relevant frames. Some frames that are not for us might get ACKed from us
+ * by PCU because they just match the mask.
+ *
+ * When handling multiple BSSes you can get the BSSID mask by computing the
+ * set of  ~ ( MAC XOR BSSID ) for all bssids we handle.
+ *
+ * When you do this you are essentially computing the common bits of all your
+ * BSSes. Later it is assumed the harware will "and" (&) the BSSID mask with
+ * the MAC address to obtain the relevant bits and compare the result with
+ * (frame's BSSID & mask) to see if they match.
+ *
+ * Simple example: on your card you have have two BSSes you have created with
+ * BSSID-01 and BSSID-02. Lets assume BSSID-01 will not use the MAC address.
+ * There is another BSSID-03 but you are not part of it. For simplicity's sake,
+ * assuming only 4 bits for a mac address and for BSSIDs you can then have:
+ *
+ *                  \
+ * MAC:        0001 |
+ * BSSID-01:   0100 | --> Belongs to us
+ * BSSID-02:   1001 |
+ *                  /
+ * -------------------
+ * BSSID-03:   0110  | --> External
+ * -------------------
+ *
+ * Our bssid_mask would then be:
+ *
+ *             On loop iteration for BSSID-01:
+ *             ~(0001 ^ 0100)  -> ~(0101)
+ *                             ->   1010
+ *             bssid_mask      =    1010
+ *
+ *             On loop iteration for BSSID-02:
+ *             bssid_mask &= ~(0001   ^   1001)
+ *             bssid_mask =   (1010)  & ~(0001 ^ 1001)
+ *             bssid_mask =   (1010)  & ~(1001)
+ *             bssid_mask =   (1010)  &  (0110)
+ *             bssid_mask =   0010
+ *
+ * A bssid_mask of 0010 means "only pay attention to the second least
+ * significant bit". This is because its the only bit common
+ * amongst the MAC and all BSSIDs we support. To findout what the real
+ * common bit is we can simply "&" the bssid_mask now with any BSSID we have
+ * or our MAC address (we assume the hardware uses the MAC address).
+ *
+ * Now, suppose there's an incoming frame for BSSID-03:
+ *
+ * IFRAME-01:  0110
+ *
+ * An easy eye-inspeciton of this already should tell you that this frame
+ * will not pass our check. This is beacuse the bssid_mask tells the
+ * hardware to only look at the second least significant bit and the
+ * common bit amongst the MAC and BSSIDs is 0, this frame has the 2nd LSB
+ * as 1, which does not match 0.
+ *
+ * So with IFRAME-01 we *assume* the hardware will do:
+ *
+ *     allow = (IFRAME-01 & bssid_mask) == (bssid_mask & MAC) ? 1 : 0;
+ *  --> allow = (0110 & 0010) == (0010 & 0001) ? 1 : 0;
+ *  --> allow = (0010) == 0000 ? 1 : 0;
+ *  --> allow = 0
+ *
+ *  Lets now test a frame that should work:
+ *
+ * IFRAME-02:  0001 (we should allow)
+ *
+ *     allow = (0001 & 1010) == 1010
+ *
+ *     allow = (IFRAME-02 & bssid_mask) == (bssid_mask & MAC) ? 1 : 0;
+ *  --> allow = (0001 & 0010) ==  (0010 & 0001) ? 1 :0;
+ *  --> allow = (0010) == (0010)
+ *  --> allow = 1
+ *
+ * Other examples:
+ *
+ * IFRAME-03:  0100 --> allowed
+ * IFRAME-04:  1001 --> allowed
+ * IFRAME-05:  1101 --> allowed but its not for us!!!
+ *
+ */
+void ath_hw_setbssidmask(struct ath_common *common)
+{
+	void *ah = common->ah;
+
+	REG_WRITE(ah, get_unaligned_le32(common->bssidmask), AR_BSSMSKL);
+	REG_WRITE(ah, get_unaligned_le16(common->bssidmask + 4), AR_BSSMSKU);
+}
+EXPORT_SYMBOL(ath_hw_setbssidmask);
diff --git a/drivers/net/wireless/ath/reg.h b/drivers/net/wireless/ath/reg.h
new file mode 100644
index 00000000000..dfe1fbec24f
--- /dev/null
+++ b/drivers/net/wireless/ath/reg.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef ATH_REGISTERS_H
+#define ATH_REGISTERS_H
+
+/*
+ * BSSID mask registers. See ath_hw_set_bssid_mask()
+ * for detailed documentation about these registers.
+ */
+#define AR_BSSMSKL		0x80e0
+#define AR_BSSMSKU		0x80e4
+
+#endif /* ATH_REGISTERS_H */
-- 
GitLab


From b002a4a950e41326310795cf4a0c74d0e90fa70a Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Sun, 13 Sep 2009 00:03:27 -0700
Subject: [PATCH 0091/1815] atheros: add ieee80211_hw to ath_common

Make use of it on hw code in ath9k to avoid
using the ath9k ath_softc.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath.h         | 2 ++
 drivers/net/wireless/ath/ath5k/base.c  | 1 +
 drivers/net/wireless/ath/ath9k/ani.c   | 4 ++--
 drivers/net/wireless/ath/ath9k/calib.c | 4 ++--
 drivers/net/wireless/ath/ath9k/hw.c    | 8 ++++----
 drivers/net/wireless/ath/ath9k/hw.h    | 1 +
 drivers/net/wireless/ath/ath9k/main.c  | 1 +
 7 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h
index 0582ee4a493..88654138f99 100644
--- a/drivers/net/wireless/ath/ath.h
+++ b/drivers/net/wireless/ath/ath.h
@@ -19,6 +19,7 @@
 
 #include <linux/skbuff.h>
 #include <linux/if_ether.h>
+#include <net/mac80211.h>
 
 static const u8 ath_bcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 
@@ -46,6 +47,7 @@ struct ath_ops {
 
 struct ath_common {
 	void *ah;
+	struct ieee80211_hw *hw;
 	u16 cachelsz;
 	u16 curaid;
 	u8 macaddr[ETH_ALEN];
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index 1abbebc2bd2..70831f1bcf0 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -594,6 +594,7 @@ ath5k_pci_probe(struct pci_dev *pdev,
 	common = ath5k_hw_common(sc->ah);
 	common->ops = &ath5k_common_ops;
 	common->ah = sc->ah;
+	common->hw = hw;
 	common->cachelsz = csz << 2; /* convert to bytes */
 
 	/* Initialize device */
diff --git a/drivers/net/wireless/ath/ath9k/ani.c b/drivers/net/wireless/ath/ath9k/ani.c
index e4f9559d25b..9682c49ab45 100644
--- a/drivers/net/wireless/ath/ath9k/ani.c
+++ b/drivers/net/wireless/ath/ath9k/ani.c
@@ -271,7 +271,7 @@ static void ath9k_ani_restart(struct ath_hw *ah)
 
 static void ath9k_hw_ani_ofdm_err_trigger(struct ath_hw *ah)
 {
-	struct ieee80211_conf *conf = &ah->ah_sc->hw->conf;
+	struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
 	struct ar5416AniState *aniState;
 	int32_t rssi;
 
@@ -343,7 +343,7 @@ static void ath9k_hw_ani_ofdm_err_trigger(struct ath_hw *ah)
 
 static void ath9k_hw_ani_cck_err_trigger(struct ath_hw *ah)
 {
-	struct ieee80211_conf *conf = &ah->ah_sc->hw->conf;
+	struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
 	struct ar5416AniState *aniState;
 	int32_t rssi;
 
diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c
index 30106f49322..bdd4a19f32b 100644
--- a/drivers/net/wireless/ath/ath9k/calib.c
+++ b/drivers/net/wireless/ath/ath9k/calib.c
@@ -278,7 +278,7 @@ static bool ath9k_hw_per_calibration(struct ath_hw *ah,
 static bool ath9k_hw_iscal_supported(struct ath_hw *ah,
 				     enum ath9k_cal_types calType)
 {
-	struct ieee80211_conf *conf = &ah->ah_sc->hw->conf;
+	struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
 
 	switch (calType & ah->supp_cals) {
 	case IQ_MISMATCH_CAL: /* Both 2 GHz and 5 GHz support OFDM */
@@ -555,7 +555,7 @@ static void ath9k_hw_adc_dccal_calibrate(struct ath_hw *ah, u8 numChains)
 /* This is done for the currently configured channel */
 bool ath9k_hw_reset_calvalid(struct ath_hw *ah)
 {
-	struct ieee80211_conf *conf = &ah->ah_sc->hw->conf;
+	struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
 	struct ath9k_cal_list *currCal = ah->cal_list_curr;
 
 	if (!ah->curchan)
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 5fb94fa45ff..177244b2b6b 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -40,7 +40,7 @@ static void ath9k_hw_spur_mitigate(struct ath_hw *ah, struct ath9k_channel *chan
 
 static u32 ath9k_hw_mac_usec(struct ath_hw *ah, u32 clks)
 {
-	struct ieee80211_conf *conf = &ah->ah_sc->hw->conf;
+	struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
 
 	if (!ah->curchan) /* should really check for CCK instead */
 		return clks / ATH9K_CLOCK_RATE_CCK;
@@ -52,7 +52,7 @@ static u32 ath9k_hw_mac_usec(struct ath_hw *ah, u32 clks)
 
 static u32 ath9k_hw_mac_to_usec(struct ath_hw *ah, u32 clks)
 {
-	struct ieee80211_conf *conf = &ah->ah_sc->hw->conf;
+	struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
 
 	if (conf_is_ht40(conf))
 		return ath9k_hw_mac_usec(ah, clks) / 2;
@@ -62,7 +62,7 @@ static u32 ath9k_hw_mac_to_usec(struct ath_hw *ah, u32 clks)
 
 static u32 ath9k_hw_mac_clks(struct ath_hw *ah, u32 usecs)
 {
-	struct ieee80211_conf *conf = &ah->ah_sc->hw->conf;
+	struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
 
 	if (!ah->curchan) /* should really check for CCK instead */
 		return usecs *ATH9K_CLOCK_RATE_CCK;
@@ -73,7 +73,7 @@ static u32 ath9k_hw_mac_clks(struct ath_hw *ah, u32 usecs)
 
 static u32 ath9k_hw_mac_to_clks(struct ath_hw *ah, u32 usecs)
 {
-	struct ieee80211_conf *conf = &ah->ah_sc->hw->conf;
+	struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
 
 	if (conf_is_ht40(conf))
 		return ath9k_hw_mac_clks(ah, usecs) * 2;
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index ae351a18341..1f6dece9b00 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -437,6 +437,7 @@ struct ath_gen_timer_table {
 };
 
 struct ath_hw {
+	struct ieee80211_hw *hw;
 	struct ath_softc *ah_sc;
 	struct ath_common common;
 	struct ath9k_hw_version hw_version;
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index d752b167f5a..693555728ea 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1571,6 +1571,7 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
 	common = ath9k_hw_common(ah);
 	common->ops = &ath9k_common_ops;
 	common->ah = ah;
+	common->hw = sc->hw;
 
 	/*
 	 * Cache line size is used to size and align various
-- 
GitLab


From cd9bf689600e62d84449d65b3d25fb6d2757589e Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Sun, 13 Sep 2009 02:08:34 -0700
Subject: [PATCH 0092/1815] ath9k: separate core driver and hw timer code

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.c   | 22 +++-----------
 drivers/net/wireless/ath/ath9k/hw.h   |  9 ++++--
 drivers/net/wireless/ath/ath9k/main.c | 44 ++++++++++++++++++++++-----
 3 files changed, 47 insertions(+), 28 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 177244b2b6b..e6ca3158759 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -4136,9 +4136,10 @@ struct ath_gen_timer *ath_gen_timer_alloc(struct ath_hw *ah,
 	return timer;
 }
 
-void ath_gen_timer_start(struct ath_hw *ah,
-			 struct ath_gen_timer *timer,
-			 u32 timer_next, u32 timer_period)
+void ath9k_hw_gen_timer_start(struct ath_hw *ah,
+			      struct ath_gen_timer *timer,
+			      u32 timer_next,
+			      u32 timer_period)
 {
 	struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers;
 	u32 tsf;
@@ -4173,15 +4174,9 @@ void ath_gen_timer_start(struct ath_hw *ah,
 	REG_SET_BIT(ah, AR_IMR_S5,
 		(SM(AR_GENTMR_BIT(timer->index), AR_IMR_S5_GENTIMER_THRESH) |
 		SM(AR_GENTMR_BIT(timer->index), AR_IMR_S5_GENTIMER_TRIG)));
-
-	if ((ah->ah_sc->imask & ATH9K_INT_GENTIMER) == 0) {
-		ath9k_hw_set_interrupts(ah, 0);
-		ah->ah_sc->imask |= ATH9K_INT_GENTIMER;
-		ath9k_hw_set_interrupts(ah, ah->ah_sc->imask);
-	}
 }
 
-void ath_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer)
+void ath9k_hw_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer)
 {
 	struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers;
 
@@ -4200,13 +4195,6 @@ void ath_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer)
 		SM(AR_GENTMR_BIT(timer->index), AR_IMR_S5_GENTIMER_TRIG)));
 
 	clear_bit(timer->index, &timer_table->timer_mask.timer_bits);
-
-	/* if no timer is enabled, turn off interrupt mask */
-	if (timer_table->timer_mask.val == 0) {
-		ath9k_hw_set_interrupts(ah, 0);
-		ah->ah_sc->imask &= ~ATH9K_INT_GENTIMER;
-		ath9k_hw_set_interrupts(ah, ah->ah_sc->imask);
-	}
 }
 
 void ath_gen_timer_free(struct ath_hw *ah, struct ath_gen_timer *timer)
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 1f6dece9b00..32401742751 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -682,9 +682,12 @@ struct ath_gen_timer *ath_gen_timer_alloc(struct ath_hw *ah,
 					  void (*overflow)(void *),
 					  void *arg,
 					  u8 timer_index);
-void ath_gen_timer_start(struct ath_hw *ah, struct ath_gen_timer *timer,
-			 u32 timer_next, u32 timer_period);
-void ath_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer);
+void ath9k_hw_gen_timer_start(struct ath_hw *ah,
+			      struct ath_gen_timer *timer,
+			      u32 timer_next,
+			      u32 timer_period);
+void ath9k_hw_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer);
+
 void ath_gen_timer_free(struct ath_hw *ah, struct ath_gen_timer *timer);
 void ath_gen_timer_isr(struct ath_hw *hw);
 u32 ath9k_hw_gettsf32(struct ath_hw *ah);
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 693555728ea..571a0d9c860 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1408,6 +1408,34 @@ static void ath9k_btcoex_bt_stomp(struct ath_softc *sc,
 	ath9k_hw_btcoex_enable(ah);
 }
 
+static void ath9k_gen_timer_start(struct ath_hw *ah,
+				  struct ath_gen_timer *timer,
+				  u32 timer_next,
+				  u32 timer_period)
+{
+	ath9k_hw_gen_timer_start(ah, timer, timer_next, timer_period);
+
+	if ((ah->ah_sc->imask & ATH9K_INT_GENTIMER) == 0) {
+		ath9k_hw_set_interrupts(ah, 0);
+		ah->ah_sc->imask |= ATH9K_INT_GENTIMER;
+		ath9k_hw_set_interrupts(ah, ah->ah_sc->imask);
+	}
+}
+
+static void ath9k_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer)
+{
+	struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers;
+
+	ath9k_hw_gen_timer_stop(ah, timer);
+
+	/* if no timer is enabled, turn off interrupt mask */
+	if (timer_table->timer_mask.val == 0) {
+		ath9k_hw_set_interrupts(ah, 0);
+		ah->ah_sc->imask &= ~ATH9K_INT_GENTIMER;
+		ath9k_hw_set_interrupts(ah, ah->ah_sc->imask);
+	}
+}
+
 /*
  * This is the master bt coex timer which runs for every
  * 45ms, bt traffic will be given priority during 55% of this
@@ -1429,13 +1457,13 @@ static void ath_btcoex_period_timer(unsigned long data)
 
 	if (btcoex->btcoex_period != btcoex->btcoex_no_stomp) {
 		if (btcoex->hw_timer_enabled)
-			ath_gen_timer_stop(ah, btcoex->no_stomp_timer);
+			ath9k_gen_timer_stop(ah, btcoex->no_stomp_timer);
 
-		ath_gen_timer_start(ah,
-			btcoex->no_stomp_timer,
-			(ath9k_hw_gettsf32(ah) +
-				btcoex->btcoex_no_stomp),
-				btcoex->btcoex_no_stomp * 10);
+		ath9k_gen_timer_start(ah,
+				      btcoex->no_stomp_timer,
+				      (ath9k_hw_gettsf32(ah) +
+				       btcoex->btcoex_no_stomp),
+				       btcoex->btcoex_no_stomp * 10);
 		btcoex->hw_timer_enabled = true;
 	}
 
@@ -2165,7 +2193,7 @@ static void ath9k_btcoex_timer_resume(struct ath_softc *sc)
 
 	/* make sure duty cycle timer is also stopped when resuming */
 	if (btcoex->hw_timer_enabled)
-		ath_gen_timer_stop(sc->sc_ah, btcoex->no_stomp_timer);
+		ath9k_gen_timer_stop(sc->sc_ah, btcoex->no_stomp_timer);
 
 	btcoex->bt_priority_cnt = 0;
 	btcoex->bt_priority_time = jiffies;
@@ -2407,7 +2435,7 @@ static void ath9k_btcoex_timer_pause(struct ath_softc *sc)
 	del_timer_sync(&btcoex->period_timer);
 
 	if (btcoex->hw_timer_enabled)
-		ath_gen_timer_stop(ah, btcoex->no_stomp_timer);
+		ath9k_gen_timer_stop(ah, btcoex->no_stomp_timer);
 
 	btcoex->hw_timer_enabled = false;
 }
-- 
GitLab


From c46917bb53a546f60c7d3103407fe953c418dd5b Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Sun, 13 Sep 2009 02:42:02 -0700
Subject: [PATCH 0093/1815] atheros: add common debug printing

ath9k uses this for now, ath9k_htc is expected to re-use this
as well. We lave ath5k as is, but it certainly can also be
converted later.

The ath9k module parameter and debugfs entry is kept.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/Kconfig             |   8 +
 drivers/net/wireless/ath/Makefile            |   2 +
 drivers/net/wireless/ath/ath.h               |   3 +
 drivers/net/wireless/ath/ath9k/Kconfig       |   4 +
 drivers/net/wireless/ath/ath9k/ahb.c         |   7 +-
 drivers/net/wireless/ath/ath9k/ani.c         | 133 ++++----
 drivers/net/wireless/ath/ath9k/ath9k.h       |   1 +
 drivers/net/wireless/ath/ath9k/beacon.c      |  80 ++---
 drivers/net/wireless/ath/ath9k/calib.c       | 303 ++++++++++---------
 drivers/net/wireless/ath/ath9k/calib.h       |   2 +
 drivers/net/wireless/ath/ath9k/debug.c       |  26 +-
 drivers/net/wireless/ath/ath9k/debug.h       |  27 --
 drivers/net/wireless/ath/ath9k/eeprom_4k.c   |  81 ++---
 drivers/net/wireless/ath/ath9k/eeprom_9287.c |  89 +++---
 drivers/net/wireless/ath/ath9k/eeprom_def.c  |  75 ++---
 drivers/net/wireless/ath/ath9k/hw.c          | 254 +++++++++-------
 drivers/net/wireless/ath/ath9k/hw.h          |   1 +
 drivers/net/wireless/ath/ath9k/mac.c         | 118 ++++----
 drivers/net/wireless/ath/ath9k/main.c        | 266 +++++++++-------
 drivers/net/wireless/ath/ath9k/phy.c         |  23 +-
 drivers/net/wireless/ath/ath9k/rc.c          |  28 +-
 drivers/net/wireless/ath/ath9k/recv.c        |  38 +--
 drivers/net/wireless/ath/ath9k/xmit.c        | 100 +++---
 drivers/net/wireless/ath/debug.c             |  32 ++
 drivers/net/wireless/ath/debug.h             |  77 +++++
 25 files changed, 1005 insertions(+), 773 deletions(-)
 create mode 100644 drivers/net/wireless/ath/debug.c
 create mode 100644 drivers/net/wireless/ath/debug.h

diff --git a/drivers/net/wireless/ath/Kconfig b/drivers/net/wireless/ath/Kconfig
index 11ded150b93..6ce86cb3765 100644
--- a/drivers/net/wireless/ath/Kconfig
+++ b/drivers/net/wireless/ath/Kconfig
@@ -16,7 +16,15 @@ menuconfig ATH_COMMON
 	  http://wireless.kernel.org/en/users/Drivers/Atheros
 
 if ATH_COMMON
+
+config ATH_DEBUG
+	bool "Atheros wireless debugging"
+	---help---
+	  Say Y, if you want to debug atheros wireless drivers.
+	  Right now only ath9k makes use of this.
+
 source "drivers/net/wireless/ath/ath5k/Kconfig"
 source "drivers/net/wireless/ath/ath9k/Kconfig"
 source "drivers/net/wireless/ath/ar9170/Kconfig"
+
 endif
diff --git a/drivers/net/wireless/ath/Makefile b/drivers/net/wireless/ath/Makefile
index 6ebf2148167..5c8e6b2bbaa 100644
--- a/drivers/net/wireless/ath/Makefile
+++ b/drivers/net/wireless/ath/Makefile
@@ -7,3 +7,5 @@ obj-$(CONFIG_ATH_COMMON)	+= ath.o
 ath-objs :=	main.o \
 		regd.o \
 		hw.o
+
+ath-$(CONFIG_ATH_DEBUG) += debug.o
diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h
index 88654138f99..2ca9701181e 100644
--- a/drivers/net/wireless/ath/ath.h
+++ b/drivers/net/wireless/ath/ath.h
@@ -48,11 +48,14 @@ struct ath_ops {
 struct ath_common {
 	void *ah;
 	struct ieee80211_hw *hw;
+	int debug_mask;
+
 	u16 cachelsz;
 	u16 curaid;
 	u8 macaddr[ETH_ALEN];
 	u8 curbssid[ETH_ALEN];
 	u8 bssidmask[ETH_ALEN];
+
 	struct ath_regulatory regulatory;
 	const struct ath_ops *ops;
 };
diff --git a/drivers/net/wireless/ath/ath9k/Kconfig b/drivers/net/wireless/ath/ath9k/Kconfig
index ef5f59c4dd8..de4aeea8a00 100644
--- a/drivers/net/wireless/ath/ath9k/Kconfig
+++ b/drivers/net/wireless/ath/ath9k/Kconfig
@@ -16,6 +16,8 @@ config ATH9K
 
 	  If you choose to build a module, it'll be called ath9k.
 
+if ATH_DEBUG
+
 config ATH9K_DEBUG
 	bool "Atheros ath9k debugging"
 	depends on ATH9K
@@ -26,3 +28,5 @@ config ATH9K_DEBUG
 	  modprobe ath9k debug=0x00000200
 
 	  Look in ath9k/debug.h for possible debug masks
+
+endif # ATH_DEBUG
diff --git a/drivers/net/wireless/ath/ath9k/ahb.c b/drivers/net/wireless/ath/ath9k/ahb.c
index 41e16ed2f07..095973e8b23 100644
--- a/drivers/net/wireless/ath/ath9k/ahb.c
+++ b/drivers/net/wireless/ath/ath9k/ahb.c
@@ -40,9 +40,10 @@ static bool ath_ahb_eeprom_read(struct ath_hw *ah, u32 off, u16 *data)
 
 	pdata = (struct ath9k_platform_data *) pdev->dev.platform_data;
 	if (off >= (ARRAY_SIZE(pdata->eeprom_data))) {
-		DPRINTF(ah, ATH_DBG_FATAL,
-			"%s: flash read failed, offset %08x is out of range\n",
-				__func__, off);
+		ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
+			  "%s: flash read failed, offset %08x "
+			  "is out of range\n",
+			  __func__, off);
 		return false;
 	}
 
diff --git a/drivers/net/wireless/ath/ath9k/ani.c b/drivers/net/wireless/ath/ath9k/ani.c
index 9682c49ab45..bb0a6d98527 100644
--- a/drivers/net/wireless/ath/ath9k/ani.c
+++ b/drivers/net/wireless/ath/ath9k/ani.c
@@ -31,8 +31,8 @@ static int ath9k_hw_get_ani_channel_idx(struct ath_hw *ah,
 		}
 	}
 
-	DPRINTF(ah, ATH_DBG_ANI,
-		"No more channel states left. Using channel 0\n");
+	ath_print(ath9k_hw_common(ah), ATH_DBG_ANI,
+		  "No more channel states left. Using channel 0\n");
 
 	return 0;
 }
@@ -41,16 +41,17 @@ static bool ath9k_hw_ani_control(struct ath_hw *ah,
 				 enum ath9k_ani_cmd cmd, int param)
 {
 	struct ar5416AniState *aniState = ah->curani;
+	struct ath_common *common = ath9k_hw_common(ah);
 
 	switch (cmd & ah->ani_function) {
 	case ATH9K_ANI_NOISE_IMMUNITY_LEVEL:{
 		u32 level = param;
 
 		if (level >= ARRAY_SIZE(ah->totalSizeDesired)) {
-			DPRINTF(ah, ATH_DBG_ANI,
-				"level out of range (%u > %u)\n",
-				level,
-				(unsigned)ARRAY_SIZE(ah->totalSizeDesired));
+			ath_print(common, ATH_DBG_ANI,
+				  "level out of range (%u > %u)\n",
+				  level,
+				  (unsigned)ARRAY_SIZE(ah->totalSizeDesired));
 			return false;
 		}
 
@@ -152,10 +153,10 @@ static bool ath9k_hw_ani_control(struct ath_hw *ah,
 		u32 level = param;
 
 		if (level >= ARRAY_SIZE(firstep)) {
-			DPRINTF(ah, ATH_DBG_ANI,
-				"level out of range (%u > %u)\n",
-				level,
-				(unsigned) ARRAY_SIZE(firstep));
+			ath_print(common, ATH_DBG_ANI,
+				  "level out of range (%u > %u)\n",
+				  level,
+				  (unsigned) ARRAY_SIZE(firstep));
 			return false;
 		}
 		REG_RMW_FIELD(ah, AR_PHY_FIND_SIG,
@@ -174,11 +175,10 @@ static bool ath9k_hw_ani_control(struct ath_hw *ah,
 		u32 level = param;
 
 		if (level >= ARRAY_SIZE(cycpwrThr1)) {
-			DPRINTF(ah, ATH_DBG_ANI,
-				"level out of range (%u > %u)\n",
-				level,
-				(unsigned)
-				ARRAY_SIZE(cycpwrThr1));
+			ath_print(common, ATH_DBG_ANI,
+				  "level out of range (%u > %u)\n",
+				  level,
+				  (unsigned) ARRAY_SIZE(cycpwrThr1));
 			return false;
 		}
 		REG_RMW_FIELD(ah, AR_PHY_TIMING5,
@@ -194,25 +194,28 @@ static bool ath9k_hw_ani_control(struct ath_hw *ah,
 	case ATH9K_ANI_PRESENT:
 		break;
 	default:
-		DPRINTF(ah, ATH_DBG_ANI,
-			"invalid cmd %u\n", cmd);
+		ath_print(common, ATH_DBG_ANI,
+			  "invalid cmd %u\n", cmd);
 		return false;
 	}
 
-	DPRINTF(ah, ATH_DBG_ANI, "ANI parameters:\n");
-	DPRINTF(ah, ATH_DBG_ANI,
-		"noiseImmunityLevel=%d, spurImmunityLevel=%d, "
-		"ofdmWeakSigDetectOff=%d\n",
-		aniState->noiseImmunityLevel, aniState->spurImmunityLevel,
-		!aniState->ofdmWeakSigDetectOff);
-	DPRINTF(ah, ATH_DBG_ANI,
-		"cckWeakSigThreshold=%d, "
-		"firstepLevel=%d, listenTime=%d\n",
-		aniState->cckWeakSigThreshold, aniState->firstepLevel,
-		aniState->listenTime);
-	DPRINTF(ah, ATH_DBG_ANI,
+	ath_print(common, ATH_DBG_ANI, "ANI parameters:\n");
+	ath_print(common, ATH_DBG_ANI,
+		  "noiseImmunityLevel=%d, spurImmunityLevel=%d, "
+		  "ofdmWeakSigDetectOff=%d\n",
+		  aniState->noiseImmunityLevel,
+		  aniState->spurImmunityLevel,
+		  !aniState->ofdmWeakSigDetectOff);
+	ath_print(common, ATH_DBG_ANI,
+		  "cckWeakSigThreshold=%d, "
+		  "firstepLevel=%d, listenTime=%d\n",
+		  aniState->cckWeakSigThreshold,
+		  aniState->firstepLevel,
+		  aniState->listenTime);
+	ath_print(common, ATH_DBG_ANI,
 		"cycleCount=%d, ofdmPhyErrCount=%d, cckPhyErrCount=%d\n\n",
-		aniState->cycleCount, aniState->ofdmPhyErrCount,
+		aniState->cycleCount,
+		aniState->ofdmPhyErrCount,
 		aniState->cckPhyErrCount);
 
 	return true;
@@ -231,6 +234,7 @@ static void ath9k_hw_update_mibstats(struct ath_hw *ah,
 static void ath9k_ani_restart(struct ath_hw *ah)
 {
 	struct ar5416AniState *aniState;
+	struct ath_common *common = ath9k_hw_common(ah);
 
 	if (!DO_ANI(ah))
 		return;
@@ -240,24 +244,24 @@ static void ath9k_ani_restart(struct ath_hw *ah)
 
 	if (aniState->ofdmTrigHigh > AR_PHY_COUNTMAX) {
 		aniState->ofdmPhyErrBase = 0;
-		DPRINTF(ah, ATH_DBG_ANI,
-			"OFDM Trigger is too high for hw counters\n");
+		ath_print(common, ATH_DBG_ANI,
+			  "OFDM Trigger is too high for hw counters\n");
 	} else {
 		aniState->ofdmPhyErrBase =
 			AR_PHY_COUNTMAX - aniState->ofdmTrigHigh;
 	}
 	if (aniState->cckTrigHigh > AR_PHY_COUNTMAX) {
 		aniState->cckPhyErrBase = 0;
-		DPRINTF(ah, ATH_DBG_ANI,
-			"CCK Trigger is too high for hw counters\n");
+		ath_print(common, ATH_DBG_ANI,
+			  "CCK Trigger is too high for hw counters\n");
 	} else {
 		aniState->cckPhyErrBase =
 			AR_PHY_COUNTMAX - aniState->cckTrigHigh;
 	}
-	DPRINTF(ah, ATH_DBG_ANI,
-		"Writing ofdmbase=%u   cckbase=%u\n",
-		aniState->ofdmPhyErrBase,
-		aniState->cckPhyErrBase);
+	ath_print(common, ATH_DBG_ANI,
+		  "Writing ofdmbase=%u   cckbase=%u\n",
+		  aniState->ofdmPhyErrBase,
+		  aniState->cckPhyErrBase);
 	REG_WRITE(ah, AR_PHY_ERR_1, aniState->ofdmPhyErrBase);
 	REG_WRITE(ah, AR_PHY_ERR_2, aniState->cckPhyErrBase);
 	REG_WRITE(ah, AR_PHY_ERR_MASK_1, AR_PHY_ERR_OFDM_TIMING);
@@ -464,6 +468,7 @@ void ath9k_ani_reset(struct ath_hw *ah)
 {
 	struct ar5416AniState *aniState;
 	struct ath9k_channel *chan = ah->curchan;
+	struct ath_common *common = ath9k_hw_common(ah);
 	int index;
 
 	if (!DO_ANI(ah))
@@ -475,8 +480,8 @@ void ath9k_ani_reset(struct ath_hw *ah)
 
 	if (DO_ANI(ah) && ah->opmode != NL80211_IFTYPE_STATION
 	    && ah->opmode != NL80211_IFTYPE_ADHOC) {
-		DPRINTF(ah, ATH_DBG_ANI,
-			"Reset ANI state opmode %u\n", ah->opmode);
+		ath_print(common, ATH_DBG_ANI,
+			  "Reset ANI state opmode %u\n", ah->opmode);
 		ah->stats.ast_ani_reset++;
 
 		if (ah->opmode == NL80211_IFTYPE_AP) {
@@ -543,6 +548,7 @@ void ath9k_hw_ani_monitor(struct ath_hw *ah,
 			  struct ath9k_channel *chan)
 {
 	struct ar5416AniState *aniState;
+	struct ath_common *common = ath9k_hw_common(ah);
 	int32_t listenTime;
 	u32 phyCnt1, phyCnt2;
 	u32 ofdmPhyErrCnt, cckPhyErrCnt;
@@ -569,20 +575,22 @@ void ath9k_hw_ani_monitor(struct ath_hw *ah,
 	if (phyCnt1 < aniState->ofdmPhyErrBase ||
 	    phyCnt2 < aniState->cckPhyErrBase) {
 		if (phyCnt1 < aniState->ofdmPhyErrBase) {
-			DPRINTF(ah, ATH_DBG_ANI,
-				"phyCnt1 0x%x, resetting "
-				"counter value to 0x%x\n",
-				phyCnt1, aniState->ofdmPhyErrBase);
+			ath_print(common, ATH_DBG_ANI,
+				  "phyCnt1 0x%x, resetting "
+				  "counter value to 0x%x\n",
+				  phyCnt1,
+				  aniState->ofdmPhyErrBase);
 			REG_WRITE(ah, AR_PHY_ERR_1,
 				  aniState->ofdmPhyErrBase);
 			REG_WRITE(ah, AR_PHY_ERR_MASK_1,
 				  AR_PHY_ERR_OFDM_TIMING);
 		}
 		if (phyCnt2 < aniState->cckPhyErrBase) {
-			DPRINTF(ah, ATH_DBG_ANI,
-				"phyCnt2 0x%x, resetting "
-				"counter value to 0x%x\n",
-				phyCnt2, aniState->cckPhyErrBase);
+			ath_print(common, ATH_DBG_ANI,
+				  "phyCnt2 0x%x, resetting "
+				  "counter value to 0x%x\n",
+				  phyCnt2,
+				  aniState->cckPhyErrBase);
 			REG_WRITE(ah, AR_PHY_ERR_2,
 				  aniState->cckPhyErrBase);
 			REG_WRITE(ah, AR_PHY_ERR_MASK_2,
@@ -624,7 +632,9 @@ void ath9k_hw_ani_monitor(struct ath_hw *ah,
 
 void ath9k_enable_mib_counters(struct ath_hw *ah)
 {
-	DPRINTF(ah, ATH_DBG_ANI, "Enable MIB counters\n");
+	struct ath_common *common = ath9k_hw_common(ah);
+
+	ath_print(common, ATH_DBG_ANI, "Enable MIB counters\n");
 
 	ath9k_hw_update_mibstats(ah, &ah->ah_mibStats);
 
@@ -640,7 +650,10 @@ void ath9k_enable_mib_counters(struct ath_hw *ah)
 /* Freeze the MIB counters, get the stats and then clear them */
 void ath9k_hw_disable_mib_counters(struct ath_hw *ah)
 {
-	DPRINTF(ah, ATH_DBG_ANI, "Disable MIB counters\n");
+	struct ath_common *common = ath9k_hw_common(ah);
+
+	ath_print(common, ATH_DBG_ANI, "Disable MIB counters\n");
+
 	REG_WRITE(ah, AR_MIBC, AR_MIBC_FMC);
 	ath9k_hw_update_mibstats(ah, &ah->ah_mibStats);
 	REG_WRITE(ah, AR_MIBC, AR_MIBC_CMC);
@@ -653,6 +666,7 @@ u32 ath9k_hw_GetMibCycleCountsPct(struct ath_hw *ah,
 				  u32 *rxf_pcnt,
 				  u32 *txf_pcnt)
 {
+	struct ath_common *common = ath9k_hw_common(ah);
 	static u32 cycles, rx_clear, rx_frame, tx_frame;
 	u32 good = 1;
 
@@ -662,8 +676,8 @@ u32 ath9k_hw_GetMibCycleCountsPct(struct ath_hw *ah,
 	u32 cc = REG_READ(ah, AR_CCCNT);
 
 	if (cycles == 0 || cycles > cc) {
-		DPRINTF(ah, ATH_DBG_ANI,
-			"cycle counter wrap. ExtBusy = 0\n");
+		ath_print(common, ATH_DBG_ANI,
+			  "cycle counter wrap. ExtBusy = 0\n");
 		good = 0;
 	} else {
 		u32 cc_d = cc - cycles;
@@ -762,9 +776,10 @@ void ath9k_hw_ani_setup(struct ath_hw *ah)
 
 void ath9k_hw_ani_init(struct ath_hw *ah)
 {
+	struct ath_common *common = ath9k_hw_common(ah);
 	int i;
 
-	DPRINTF(ah, ATH_DBG_ANI, "Initialize ANI\n");
+	ath_print(common, ATH_DBG_ANI, "Initialize ANI\n");
 
 	memset(ah->ani, 0, sizeof(ah->ani));
 	for (i = 0; i < ARRAY_SIZE(ah->ani); i++) {
@@ -786,11 +801,11 @@ void ath9k_hw_ani_init(struct ath_hw *ah)
 			AR_PHY_COUNTMAX - ATH9K_ANI_CCK_TRIG_HIGH;
 	}
 
-	DPRINTF(ah, ATH_DBG_ANI,
-		"Setting OfdmErrBase = 0x%08x\n",
-		ah->ani[0].ofdmPhyErrBase);
-	DPRINTF(ah, ATH_DBG_ANI, "Setting cckErrBase = 0x%08x\n",
-		ah->ani[0].cckPhyErrBase);
+	ath_print(common, ATH_DBG_ANI,
+		  "Setting OfdmErrBase = 0x%08x\n",
+		  ah->ani[0].ofdmPhyErrBase);
+	ath_print(common, ATH_DBG_ANI, "Setting cckErrBase = 0x%08x\n",
+		  ah->ani[0].cckPhyErrBase);
 
 	REG_WRITE(ah, AR_PHY_ERR_1, ah->ani[0].ofdmPhyErrBase);
 	REG_WRITE(ah, AR_PHY_ERR_2, ah->ani[0].cckPhyErrBase);
@@ -803,7 +818,7 @@ void ath9k_hw_ani_init(struct ath_hw *ah)
 
 void ath9k_hw_ani_disable(struct ath_hw *ah)
 {
-	DPRINTF(ah, ATH_DBG_ANI, "Disabling ANI\n");
+	ath_print(ath9k_hw_common(ah), ATH_DBG_ANI, "Disabling ANI\n");
 
 	ath9k_hw_disable_mib_counters(ah);
 	REG_WRITE(ah, AR_PHY_ERR_1, 0);
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 7c740cf50f7..9864461ecb5 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -26,6 +26,7 @@
 #include "rc.h"
 #include "debug.h"
 #include "../ath.h"
+#include "../debug.h"
 
 struct ath_node;
 
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index fb4ff551236..2f003132463 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -26,6 +26,7 @@
 static int ath_beaconq_config(struct ath_softc *sc)
 {
 	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath9k_tx_queue_info qi;
 
 	ath9k_hw_get_txq_props(ah, sc->beacon.beaconq, &qi);
@@ -42,8 +43,8 @@ static int ath_beaconq_config(struct ath_softc *sc)
 	}
 
 	if (!ath9k_hw_set_txq_props(ah, sc->beacon.beaconq, &qi)) {
-		DPRINTF(ah, ATH_DBG_FATAL,
-			"Unable to update h/w beacon queue parameters\n");
+		ath_print(common, ATH_DBG_FATAL,
+			  "Unable to update h/w beacon queue parameters\n");
 		return 0;
 	} else {
 		ath9k_hw_resettxqueue(ah, sc->beacon.beaconq);
@@ -119,6 +120,7 @@ static struct ath_buf *ath_beacon_generate(struct ieee80211_hw *hw,
 {
 	struct ath_wiphy *aphy = hw->priv;
 	struct ath_softc *sc = aphy->sc;
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	struct ath_buf *bf;
 	struct ath_vif *avp;
 	struct sk_buff *skb;
@@ -172,7 +174,8 @@ static struct ath_buf *ath_beacon_generate(struct ieee80211_hw *hw,
 	if (unlikely(dma_mapping_error(sc->dev, bf->bf_buf_addr))) {
 		dev_kfree_skb_any(skb);
 		bf->bf_mpdu = NULL;
-		DPRINTF(sc->sc_ah, ATH_DBG_FATAL, "dma_mapping_error on beaconing\n");
+		ath_print(common, ATH_DBG_FATAL,
+			  "dma_mapping_error on beaconing\n");
 		return NULL;
 	}
 
@@ -192,8 +195,8 @@ static struct ath_buf *ath_beacon_generate(struct ieee80211_hw *hw,
 
 	if (skb && cabq_depth) {
 		if (sc->nvifs > 1) {
-			DPRINTF(sc->sc_ah, ATH_DBG_BEACON,
-				"Flushing previous cabq traffic\n");
+			ath_print(common, ATH_DBG_BEACON,
+				  "Flushing previous cabq traffic\n");
 			ath_draintxq(sc, cabq, false);
 		}
 	}
@@ -216,6 +219,7 @@ static void ath_beacon_start_adhoc(struct ath_softc *sc,
 				   struct ieee80211_vif *vif)
 {
 	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath_buf *bf;
 	struct ath_vif *avp;
 	struct sk_buff *skb;
@@ -233,8 +237,8 @@ static void ath_beacon_start_adhoc(struct ath_softc *sc,
 	/* NB: caller is known to have already stopped tx dma */
 	ath9k_hw_puttxbuf(ah, sc->beacon.beaconq, bf->bf_daddr);
 	ath9k_hw_txstart(ah, sc->beacon.beaconq);
-	DPRINTF(ah, ATH_DBG_BEACON, "TXDP%u = %llx (%p)\n",
-		sc->beacon.beaconq, ito64(bf->bf_daddr), bf->bf_desc);
+	ath_print(common, ATH_DBG_BEACON, "TXDP%u = %llx (%p)\n",
+		  sc->beacon.beaconq, ito64(bf->bf_daddr), bf->bf_desc);
 }
 
 int ath_beaconq_setup(struct ath_hw *ah)
@@ -252,6 +256,7 @@ int ath_beaconq_setup(struct ath_hw *ah)
 int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif)
 {
 	struct ath_softc *sc = aphy->sc;
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	struct ath_vif *avp;
 	struct ath_buf *bf;
 	struct sk_buff *skb;
@@ -309,7 +314,7 @@ int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif)
 	/* NB: the beacon data buffer must be 32-bit aligned. */
 	skb = ieee80211_beacon_get(sc->hw, vif);
 	if (skb == NULL) {
-		DPRINTF(sc->sc_ah, ATH_DBG_BEACON, "cannot get skb\n");
+		ath_print(common, ATH_DBG_BEACON, "cannot get skb\n");
 		return -ENOMEM;
 	}
 
@@ -333,9 +338,10 @@ int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif)
 		tsfadjust = intval * avp->av_bslot / ATH_BCBUF;
 		avp->tsf_adjust = cpu_to_le64(TU_TO_USEC(tsfadjust));
 
-		DPRINTF(sc->sc_ah, ATH_DBG_BEACON,
-			"stagger beacons, bslot %d intval %u tsfadjust %llu\n",
-			avp->av_bslot, intval, (unsigned long long)tsfadjust);
+		ath_print(common, ATH_DBG_BEACON,
+			  "stagger beacons, bslot %d intval "
+			  "%u tsfadjust %llu\n",
+			  avp->av_bslot, intval, (unsigned long long)tsfadjust);
 
 		((struct ieee80211_mgmt *)skb->data)->u.beacon.timestamp =
 			avp->tsf_adjust;
@@ -349,8 +355,8 @@ int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif)
 	if (unlikely(dma_mapping_error(sc->dev, bf->bf_buf_addr))) {
 		dev_kfree_skb_any(skb);
 		bf->bf_mpdu = NULL;
-		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
-			"dma_mapping_error on beacon alloc\n");
+		ath_print(common, ATH_DBG_FATAL,
+			  "dma_mapping_error on beacon alloc\n");
 		return -ENOMEM;
 	}
 
@@ -386,6 +392,7 @@ void ath_beacon_tasklet(unsigned long data)
 {
 	struct ath_softc *sc = (struct ath_softc *)data;
 	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath_buf *bf = NULL;
 	struct ieee80211_vif *vif;
 	struct ath_wiphy *aphy;
@@ -405,12 +412,12 @@ void ath_beacon_tasklet(unsigned long data)
 		sc->beacon.bmisscnt++;
 
 		if (sc->beacon.bmisscnt < BSTUCK_THRESH) {
-			DPRINTF(sc->sc_ah, ATH_DBG_BEACON,
-				"missed %u consecutive beacons\n",
-				sc->beacon.bmisscnt);
+			ath_print(common, ATH_DBG_BEACON,
+				  "missed %u consecutive beacons\n",
+				  sc->beacon.bmisscnt);
 		} else if (sc->beacon.bmisscnt >= BSTUCK_THRESH) {
-			DPRINTF(sc->sc_ah, ATH_DBG_BEACON,
-				"beacon is officially stuck\n");
+			ath_print(common, ATH_DBG_BEACON,
+				  "beacon is officially stuck\n");
 			sc->sc_flags |= SC_OP_TSF_RESET;
 			ath_reset(sc, false);
 		}
@@ -419,9 +426,9 @@ void ath_beacon_tasklet(unsigned long data)
 	}
 
 	if (sc->beacon.bmisscnt != 0) {
-		DPRINTF(sc->sc_ah, ATH_DBG_BEACON,
-			"resume beacon xmit after %u misses\n",
-			sc->beacon.bmisscnt);
+		ath_print(common, ATH_DBG_BEACON,
+			  "resume beacon xmit after %u misses\n",
+			  sc->beacon.bmisscnt);
 		sc->beacon.bmisscnt = 0;
 	}
 
@@ -447,9 +454,9 @@ void ath_beacon_tasklet(unsigned long data)
 	vif = sc->beacon.bslot[slot];
 	aphy = sc->beacon.bslot_aphy[slot];
 
-	DPRINTF(sc->sc_ah, ATH_DBG_BEACON,
-		"slot %d [tsf %llu tsftu %u intval %u] vif %p\n",
-		slot, tsf, tsftu, intval, vif);
+	ath_print(common, ATH_DBG_BEACON,
+		  "slot %d [tsf %llu tsftu %u intval %u] vif %p\n",
+		  slot, tsf, tsftu, intval, vif);
 
 	bfaddr = 0;
 	if (vif) {
@@ -490,7 +497,7 @@ void ath_beacon_tasklet(unsigned long data)
 		 * are still pending on the queue.
 		 */
 		if (!ath9k_hw_stoptxdma(ah, sc->beacon.beaconq)) {
-			DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
+			ath_print(common, ATH_DBG_FATAL,
 				"beacon queue %u did not stop?\n", sc->beacon.beaconq);
 		}
 
@@ -568,6 +575,7 @@ static void ath_beacon_config_ap(struct ath_softc *sc,
 static void ath_beacon_config_sta(struct ath_softc *sc,
 				  struct ath_beacon_config *conf)
 {
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	struct ath9k_beacon_state bs;
 	int dtimperiod, dtimcount, sleepduration;
 	int cfpperiod, cfpcount;
@@ -664,11 +672,11 @@ static void ath_beacon_config_sta(struct ath_softc *sc,
 	/* TSF out of range threshold fixed at 1 second */
 	bs.bs_tsfoor_threshold = ATH9K_TSFOOR_THRESHOLD;
 
-	DPRINTF(sc->sc_ah, ATH_DBG_BEACON, "tsf: %llu tsftu: %u\n", tsf, tsftu);
-	DPRINTF(sc->sc_ah, ATH_DBG_BEACON,
-		"bmiss: %u sleep: %u cfp-period: %u maxdur: %u next: %u\n",
-		bs.bs_bmissthreshold, bs.bs_sleepduration,
-		bs.bs_cfpperiod, bs.bs_cfpmaxduration, bs.bs_cfpnext);
+	ath_print(common, ATH_DBG_BEACON, "tsf: %llu tsftu: %u\n", tsf, tsftu);
+	ath_print(common, ATH_DBG_BEACON,
+		  "bmiss: %u sleep: %u cfp-period: %u maxdur: %u next: %u\n",
+		  bs.bs_bmissthreshold, bs.bs_sleepduration,
+		  bs.bs_cfpperiod, bs.bs_cfpmaxduration, bs.bs_cfpnext);
 
 	/* Set the computed STA beacon timers */
 
@@ -682,6 +690,7 @@ static void ath_beacon_config_adhoc(struct ath_softc *sc,
 				    struct ath_beacon_config *conf,
 				    struct ieee80211_vif *vif)
 {
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	u64 tsf;
 	u32 tsftu, intval, nexttbtt;
 
@@ -702,9 +711,9 @@ static void ath_beacon_config_adhoc(struct ath_softc *sc,
 		nexttbtt += intval;
 	} while (nexttbtt < tsftu);
 
-	DPRINTF(sc->sc_ah, ATH_DBG_BEACON,
-		"IBSS nexttbtt %u intval %u (%u)\n",
-		nexttbtt, intval, conf->beacon_interval);
+	ath_print(common, ATH_DBG_BEACON,
+		  "IBSS nexttbtt %u intval %u (%u)\n",
+		  nexttbtt, intval, conf->beacon_interval);
 
 	/*
 	 * In IBSS mode enable the beacon timers but only enable SWBA interrupts
@@ -732,6 +741,7 @@ static void ath_beacon_config_adhoc(struct ath_softc *sc,
 void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif)
 {
 	struct ath_beacon_config *cur_conf = &sc->cur_beacon_conf;
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	enum nl80211_iftype iftype;
 
 	/* Setup the beacon configuration parameters */
@@ -772,8 +782,8 @@ void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif)
 		ath_beacon_config_sta(sc, cur_conf);
 		break;
 	default:
-		DPRINTF(sc->sc_ah, ATH_DBG_CONFIG,
-			"Unsupported beaconing mode\n");
+		ath_print(common, ATH_DBG_CONFIG,
+			  "Unsupported beaconing mode\n");
 		return;
 	}
 
diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c
index bdd4a19f32b..2a2212465ea 100644
--- a/drivers/net/wireless/ath/ath9k/calib.c
+++ b/drivers/net/wireless/ath/ath9k/calib.c
@@ -15,6 +15,7 @@
  */
 
 #include "ath9k.h"
+#include "hw.h"
 
 /* We can tune this as we go by monitoring really low values */
 #define ATH9K_NF_TOO_LOW	-60
@@ -26,11 +27,11 @@
 static bool ath9k_hw_nf_in_range(struct ath_hw *ah, s16 nf)
 {
 	if (nf > ATH9K_NF_TOO_LOW) {
-		DPRINTF(ah, ATH_DBG_CALIBRATE,
-			"noise floor value detected (%d) is "
-			"lower than what we think is a "
-			"reasonable value (%d)\n",
-			nf, ATH9K_NF_TOO_LOW);
+		ath_print(ath9k_hw_common(ah), ATH_DBG_CALIBRATE,
+			  "noise floor value detected (%d) is "
+			  "lower than what we think is a "
+			  "reasonable value (%d)\n",
+			  nf, ATH9K_NF_TOO_LOW);
 		return false;
 	}
 	return true;
@@ -89,6 +90,7 @@ static void ath9k_hw_update_nfcal_hist_buffer(struct ath9k_nfcal_hist *h,
 static void ath9k_hw_do_getnf(struct ath_hw *ah,
 			      int16_t nfarray[NUM_NF_READINGS])
 {
+	struct ath_common *common = ath9k_hw_common(ah);
 	int16_t nf;
 
 	if (AR_SREV_9280_10_OR_LATER(ah))
@@ -98,8 +100,8 @@ static void ath9k_hw_do_getnf(struct ath_hw *ah,
 
 	if (nf & 0x100)
 		nf = 0 - ((nf ^ 0x1ff) + 1);
-	DPRINTF(ah, ATH_DBG_CALIBRATE,
-		"NF calibrated [ctl] [chain 0] is %d\n", nf);
+	ath_print(common, ATH_DBG_CALIBRATE,
+		  "NF calibrated [ctl] [chain 0] is %d\n", nf);
 	nfarray[0] = nf;
 
 	if (!AR_SREV_9285(ah)) {
@@ -112,8 +114,8 @@ static void ath9k_hw_do_getnf(struct ath_hw *ah,
 
 		if (nf & 0x100)
 			nf = 0 - ((nf ^ 0x1ff) + 1);
-		DPRINTF(ah, ATH_DBG_CALIBRATE,
-				"NF calibrated [ctl] [chain 1] is %d\n", nf);
+		ath_print(common, ATH_DBG_CALIBRATE,
+			  "NF calibrated [ctl] [chain 1] is %d\n", nf);
 		nfarray[1] = nf;
 
 		if (!AR_SREV_9280(ah) && !AR_SREV_9287(ah)) {
@@ -121,8 +123,8 @@ static void ath9k_hw_do_getnf(struct ath_hw *ah,
 					AR_PHY_CH2_MINCCA_PWR);
 			if (nf & 0x100)
 				nf = 0 - ((nf ^ 0x1ff) + 1);
-			DPRINTF(ah, ATH_DBG_CALIBRATE,
-				"NF calibrated [ctl] [chain 2] is %d\n", nf);
+			ath_print(common, ATH_DBG_CALIBRATE,
+				  "NF calibrated [ctl] [chain 2] is %d\n", nf);
 			nfarray[2] = nf;
 		}
 	}
@@ -136,8 +138,8 @@ static void ath9k_hw_do_getnf(struct ath_hw *ah,
 
 	if (nf & 0x100)
 		nf = 0 - ((nf ^ 0x1ff) + 1);
-	DPRINTF(ah, ATH_DBG_CALIBRATE,
-		"NF calibrated [ext] [chain 0] is %d\n", nf);
+	ath_print(common, ATH_DBG_CALIBRATE,
+		  "NF calibrated [ext] [chain 0] is %d\n", nf);
 	nfarray[3] = nf;
 
 	if (!AR_SREV_9285(ah)) {
@@ -150,8 +152,8 @@ static void ath9k_hw_do_getnf(struct ath_hw *ah,
 
 		if (nf & 0x100)
 			nf = 0 - ((nf ^ 0x1ff) + 1);
-		DPRINTF(ah, ATH_DBG_CALIBRATE,
-				"NF calibrated [ext] [chain 1] is %d\n", nf);
+		ath_print(common, ATH_DBG_CALIBRATE,
+			  "NF calibrated [ext] [chain 1] is %d\n", nf);
 		nfarray[4] = nf;
 
 		if (!AR_SREV_9280(ah) && !AR_SREV_9287(ah)) {
@@ -159,8 +161,8 @@ static void ath9k_hw_do_getnf(struct ath_hw *ah,
 					AR_PHY_CH2_EXT_MINCCA_PWR);
 			if (nf & 0x100)
 				nf = 0 - ((nf ^ 0x1ff) + 1);
-			DPRINTF(ah, ATH_DBG_CALIBRATE,
-				"NF calibrated [ext] [chain 2] is %d\n", nf);
+			ath_print(common, ATH_DBG_CALIBRATE,
+				  "NF calibrated [ext] [chain 2] is %d\n", nf);
 			nfarray[5] = nf;
 		}
 	}
@@ -188,6 +190,8 @@ static bool getNoiseFloorThresh(struct ath_hw *ah,
 static void ath9k_hw_setup_calibration(struct ath_hw *ah,
 				       struct ath9k_cal_list *currCal)
 {
+	struct ath_common *common = ath9k_hw_common(ah);
+
 	REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4(0),
 		      AR_PHY_TIMING_CTRL4_IQCAL_LOG_COUNT_MAX,
 		      currCal->calData->calCountMax);
@@ -195,23 +199,23 @@ static void ath9k_hw_setup_calibration(struct ath_hw *ah,
 	switch (currCal->calData->calType) {
 	case IQ_MISMATCH_CAL:
 		REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_IQ);
-		DPRINTF(ah, ATH_DBG_CALIBRATE,
-			"starting IQ Mismatch Calibration\n");
+		ath_print(common, ATH_DBG_CALIBRATE,
+			  "starting IQ Mismatch Calibration\n");
 		break;
 	case ADC_GAIN_CAL:
 		REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_ADC_GAIN);
-		DPRINTF(ah, ATH_DBG_CALIBRATE,
-			"starting ADC Gain Calibration\n");
+		ath_print(common, ATH_DBG_CALIBRATE,
+			  "starting ADC Gain Calibration\n");
 		break;
 	case ADC_DC_CAL:
 		REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_ADC_DC_PER);
-		DPRINTF(ah, ATH_DBG_CALIBRATE,
-			"starting ADC DC Calibration\n");
+		ath_print(common, ATH_DBG_CALIBRATE,
+			  "starting ADC DC Calibration\n");
 		break;
 	case ADC_DC_INIT_CAL:
 		REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_ADC_DC_INIT);
-		DPRINTF(ah, ATH_DBG_CALIBRATE,
-			"starting Init ADC DC Calibration\n");
+		ath_print(common, ATH_DBG_CALIBRATE,
+			  "starting Init ADC DC Calibration\n");
 		break;
 	}
 
@@ -304,11 +308,11 @@ static void ath9k_hw_iqcal_collect(struct ath_hw *ah)
 			REG_READ(ah, AR_PHY_CAL_MEAS_1(i));
 		ah->totalIqCorrMeas[i] +=
 			(int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_2(i));
-		DPRINTF(ah, ATH_DBG_CALIBRATE,
-			"%d: Chn %d pmi=0x%08x;pmq=0x%08x;iqcm=0x%08x;\n",
-			ah->cal_samples, i, ah->totalPowerMeasI[i],
-			ah->totalPowerMeasQ[i],
-			ah->totalIqCorrMeas[i]);
+		ath_print(ath9k_hw_common(ah), ATH_DBG_CALIBRATE,
+			  "%d: Chn %d pmi=0x%08x;pmq=0x%08x;iqcm=0x%08x;\n",
+			  ah->cal_samples, i, ah->totalPowerMeasI[i],
+			  ah->totalPowerMeasQ[i],
+			  ah->totalIqCorrMeas[i]);
 	}
 }
 
@@ -326,14 +330,14 @@ static void ath9k_hw_adc_gaincal_collect(struct ath_hw *ah)
 		ah->totalAdcQEvenPhase[i] +=
 			REG_READ(ah, AR_PHY_CAL_MEAS_3(i));
 
-		DPRINTF(ah, ATH_DBG_CALIBRATE,
-			"%d: Chn %d oddi=0x%08x; eveni=0x%08x; "
-			"oddq=0x%08x; evenq=0x%08x;\n",
-			ah->cal_samples, i,
-			ah->totalAdcIOddPhase[i],
-			ah->totalAdcIEvenPhase[i],
-			ah->totalAdcQOddPhase[i],
-			ah->totalAdcQEvenPhase[i]);
+		ath_print(ath9k_hw_common(ah), ATH_DBG_CALIBRATE,
+			  "%d: Chn %d oddi=0x%08x; eveni=0x%08x; "
+			  "oddq=0x%08x; evenq=0x%08x;\n",
+			  ah->cal_samples, i,
+			  ah->totalAdcIOddPhase[i],
+			  ah->totalAdcIEvenPhase[i],
+			  ah->totalAdcQOddPhase[i],
+			  ah->totalAdcQEvenPhase[i]);
 	}
 }
 
@@ -351,19 +355,20 @@ static void ath9k_hw_adc_dccal_collect(struct ath_hw *ah)
 		ah->totalAdcDcOffsetQEvenPhase[i] +=
 			(int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_3(i));
 
-		DPRINTF(ah, ATH_DBG_CALIBRATE,
-			"%d: Chn %d oddi=0x%08x; eveni=0x%08x; "
-			"oddq=0x%08x; evenq=0x%08x;\n",
-			ah->cal_samples, i,
-			ah->totalAdcDcOffsetIOddPhase[i],
-			ah->totalAdcDcOffsetIEvenPhase[i],
-			ah->totalAdcDcOffsetQOddPhase[i],
-			ah->totalAdcDcOffsetQEvenPhase[i]);
+		ath_print(ath9k_hw_common(ah), ATH_DBG_CALIBRATE,
+			  "%d: Chn %d oddi=0x%08x; eveni=0x%08x; "
+			  "oddq=0x%08x; evenq=0x%08x;\n",
+			  ah->cal_samples, i,
+			  ah->totalAdcDcOffsetIOddPhase[i],
+			  ah->totalAdcDcOffsetIEvenPhase[i],
+			  ah->totalAdcDcOffsetQOddPhase[i],
+			  ah->totalAdcDcOffsetQEvenPhase[i]);
 	}
 }
 
 static void ath9k_hw_iqcalibrate(struct ath_hw *ah, u8 numChains)
 {
+	struct ath_common *common = ath9k_hw_common(ah);
 	u32 powerMeasQ, powerMeasI, iqCorrMeas;
 	u32 qCoffDenom, iCoffDenom;
 	int32_t qCoff, iCoff;
@@ -374,13 +379,13 @@ static void ath9k_hw_iqcalibrate(struct ath_hw *ah, u8 numChains)
 		powerMeasQ = ah->totalPowerMeasQ[i];
 		iqCorrMeas = ah->totalIqCorrMeas[i];
 
-		DPRINTF(ah, ATH_DBG_CALIBRATE,
-			"Starting IQ Cal and Correction for Chain %d\n",
-			i);
+		ath_print(common, ATH_DBG_CALIBRATE,
+			  "Starting IQ Cal and Correction for Chain %d\n",
+			  i);
 
-		DPRINTF(ah, ATH_DBG_CALIBRATE,
-			"Orignal: Chn %diq_corr_meas = 0x%08x\n",
-			i, ah->totalIqCorrMeas[i]);
+		ath_print(common, ATH_DBG_CALIBRATE,
+			  "Orignal: Chn %diq_corr_meas = 0x%08x\n",
+			  i, ah->totalIqCorrMeas[i]);
 
 		iqCorrNeg = 0;
 
@@ -389,12 +394,12 @@ static void ath9k_hw_iqcalibrate(struct ath_hw *ah, u8 numChains)
 			iqCorrNeg = 1;
 		}
 
-		DPRINTF(ah, ATH_DBG_CALIBRATE,
-			"Chn %d pwr_meas_i = 0x%08x\n", i, powerMeasI);
-		DPRINTF(ah, ATH_DBG_CALIBRATE,
-			"Chn %d pwr_meas_q = 0x%08x\n", i, powerMeasQ);
-		DPRINTF(ah, ATH_DBG_CALIBRATE, "iqCorrNeg is 0x%08x\n",
-			iqCorrNeg);
+		ath_print(common, ATH_DBG_CALIBRATE,
+			  "Chn %d pwr_meas_i = 0x%08x\n", i, powerMeasI);
+		ath_print(common, ATH_DBG_CALIBRATE,
+			  "Chn %d pwr_meas_q = 0x%08x\n", i, powerMeasQ);
+		ath_print(common, ATH_DBG_CALIBRATE, "iqCorrNeg is 0x%08x\n",
+			  iqCorrNeg);
 
 		iCoffDenom = (powerMeasI / 2 + powerMeasQ / 2) / 128;
 		qCoffDenom = powerMeasQ / 64;
@@ -402,14 +407,14 @@ static void ath9k_hw_iqcalibrate(struct ath_hw *ah, u8 numChains)
 		if (powerMeasQ != 0) {
 			iCoff = iqCorrMeas / iCoffDenom;
 			qCoff = powerMeasI / qCoffDenom - 64;
-			DPRINTF(ah, ATH_DBG_CALIBRATE,
-				"Chn %d iCoff = 0x%08x\n", i, iCoff);
-			DPRINTF(ah, ATH_DBG_CALIBRATE,
-				"Chn %d qCoff = 0x%08x\n", i, qCoff);
+			ath_print(common, ATH_DBG_CALIBRATE,
+				  "Chn %d iCoff = 0x%08x\n", i, iCoff);
+			ath_print(common, ATH_DBG_CALIBRATE,
+				  "Chn %d qCoff = 0x%08x\n", i, qCoff);
 
 			iCoff = iCoff & 0x3f;
-			DPRINTF(ah, ATH_DBG_CALIBRATE,
-				"New: Chn %d iCoff = 0x%08x\n", i, iCoff);
+			ath_print(common, ATH_DBG_CALIBRATE,
+				  "New: Chn %d iCoff = 0x%08x\n", i, iCoff);
 			if (iqCorrNeg == 0x0)
 				iCoff = 0x40 - iCoff;
 
@@ -418,9 +423,9 @@ static void ath9k_hw_iqcalibrate(struct ath_hw *ah, u8 numChains)
 			else if (qCoff <= -16)
 				qCoff = 16;
 
-			DPRINTF(ah, ATH_DBG_CALIBRATE,
-				"Chn %d : iCoff = 0x%x  qCoff = 0x%x\n",
-				i, iCoff, qCoff);
+			ath_print(common, ATH_DBG_CALIBRATE,
+				  "Chn %d : iCoff = 0x%x  qCoff = 0x%x\n",
+				  i, iCoff, qCoff);
 
 			REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4(i),
 				      AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF,
@@ -428,9 +433,9 @@ static void ath9k_hw_iqcalibrate(struct ath_hw *ah, u8 numChains)
 			REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4(i),
 				      AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF,
 				      qCoff);
-			DPRINTF(ah, ATH_DBG_CALIBRATE,
-				"IQ Cal and Correction done for Chain %d\n",
-				i);
+			ath_print(common, ATH_DBG_CALIBRATE,
+				  "IQ Cal and Correction done for Chain %d\n",
+				  i);
 		}
 	}
 
@@ -440,6 +445,7 @@ static void ath9k_hw_iqcalibrate(struct ath_hw *ah, u8 numChains)
 
 static void ath9k_hw_adc_gaincal_calibrate(struct ath_hw *ah, u8 numChains)
 {
+	struct ath_common *common = ath9k_hw_common(ah);
 	u32 iOddMeasOffset, iEvenMeasOffset, qOddMeasOffset, qEvenMeasOffset;
 	u32 qGainMismatch, iGainMismatch, val, i;
 
@@ -449,21 +455,21 @@ static void ath9k_hw_adc_gaincal_calibrate(struct ath_hw *ah, u8 numChains)
 		qOddMeasOffset = ah->totalAdcQOddPhase[i];
 		qEvenMeasOffset = ah->totalAdcQEvenPhase[i];
 
-		DPRINTF(ah, ATH_DBG_CALIBRATE,
-			"Starting ADC Gain Cal for Chain %d\n", i);
-
-		DPRINTF(ah, ATH_DBG_CALIBRATE,
-			"Chn %d pwr_meas_odd_i = 0x%08x\n", i,
-			iOddMeasOffset);
-		DPRINTF(ah, ATH_DBG_CALIBRATE,
-			"Chn %d pwr_meas_even_i = 0x%08x\n", i,
-			iEvenMeasOffset);
-		DPRINTF(ah, ATH_DBG_CALIBRATE,
-			"Chn %d pwr_meas_odd_q = 0x%08x\n", i,
-			qOddMeasOffset);
-		DPRINTF(ah, ATH_DBG_CALIBRATE,
-			"Chn %d pwr_meas_even_q = 0x%08x\n", i,
-			qEvenMeasOffset);
+		ath_print(common, ATH_DBG_CALIBRATE,
+			  "Starting ADC Gain Cal for Chain %d\n", i);
+
+		ath_print(common, ATH_DBG_CALIBRATE,
+			  "Chn %d pwr_meas_odd_i = 0x%08x\n", i,
+			  iOddMeasOffset);
+		ath_print(common, ATH_DBG_CALIBRATE,
+			  "Chn %d pwr_meas_even_i = 0x%08x\n", i,
+			  iEvenMeasOffset);
+		ath_print(common, ATH_DBG_CALIBRATE,
+			  "Chn %d pwr_meas_odd_q = 0x%08x\n", i,
+			  qOddMeasOffset);
+		ath_print(common, ATH_DBG_CALIBRATE,
+			  "Chn %d pwr_meas_even_q = 0x%08x\n", i,
+			  qEvenMeasOffset);
 
 		if (iOddMeasOffset != 0 && qEvenMeasOffset != 0) {
 			iGainMismatch =
@@ -473,20 +479,20 @@ static void ath9k_hw_adc_gaincal_calibrate(struct ath_hw *ah, u8 numChains)
 				((qOddMeasOffset * 32) /
 				 qEvenMeasOffset) & 0x3f;
 
-			DPRINTF(ah, ATH_DBG_CALIBRATE,
-				"Chn %d gain_mismatch_i = 0x%08x\n", i,
-				iGainMismatch);
-			DPRINTF(ah, ATH_DBG_CALIBRATE,
-				"Chn %d gain_mismatch_q = 0x%08x\n", i,
-				qGainMismatch);
+			ath_print(common, ATH_DBG_CALIBRATE,
+				  "Chn %d gain_mismatch_i = 0x%08x\n", i,
+				  iGainMismatch);
+			ath_print(common, ATH_DBG_CALIBRATE,
+				  "Chn %d gain_mismatch_q = 0x%08x\n", i,
+				  qGainMismatch);
 
 			val = REG_READ(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i));
 			val &= 0xfffff000;
 			val |= (qGainMismatch) | (iGainMismatch << 6);
 			REG_WRITE(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i), val);
 
-			DPRINTF(ah, ATH_DBG_CALIBRATE,
-				"ADC Gain Cal done for Chain %d\n", i);
+			ath_print(common, ATH_DBG_CALIBRATE,
+				  "ADC Gain Cal done for Chain %d\n", i);
 		}
 	}
 
@@ -497,6 +503,7 @@ static void ath9k_hw_adc_gaincal_calibrate(struct ath_hw *ah, u8 numChains)
 
 static void ath9k_hw_adc_dccal_calibrate(struct ath_hw *ah, u8 numChains)
 {
+	struct ath_common *common = ath9k_hw_common(ah);
 	u32 iOddMeasOffset, iEvenMeasOffset, val, i;
 	int32_t qOddMeasOffset, qEvenMeasOffset, qDcMismatch, iDcMismatch;
 	const struct ath9k_percal_data *calData =
@@ -510,41 +517,41 @@ static void ath9k_hw_adc_dccal_calibrate(struct ath_hw *ah, u8 numChains)
 		qOddMeasOffset = ah->totalAdcDcOffsetQOddPhase[i];
 		qEvenMeasOffset = ah->totalAdcDcOffsetQEvenPhase[i];
 
-		DPRINTF(ah, ATH_DBG_CALIBRATE,
-			"Starting ADC DC Offset Cal for Chain %d\n", i);
-
-		DPRINTF(ah, ATH_DBG_CALIBRATE,
-			"Chn %d pwr_meas_odd_i = %d\n", i,
-			iOddMeasOffset);
-		DPRINTF(ah, ATH_DBG_CALIBRATE,
-			"Chn %d pwr_meas_even_i = %d\n", i,
-			iEvenMeasOffset);
-		DPRINTF(ah, ATH_DBG_CALIBRATE,
-			"Chn %d pwr_meas_odd_q = %d\n", i,
-			qOddMeasOffset);
-		DPRINTF(ah, ATH_DBG_CALIBRATE,
-			"Chn %d pwr_meas_even_q = %d\n", i,
-			qEvenMeasOffset);
+		ath_print(common, ATH_DBG_CALIBRATE,
+			   "Starting ADC DC Offset Cal for Chain %d\n", i);
+
+		ath_print(common, ATH_DBG_CALIBRATE,
+			  "Chn %d pwr_meas_odd_i = %d\n", i,
+			  iOddMeasOffset);
+		ath_print(common, ATH_DBG_CALIBRATE,
+			  "Chn %d pwr_meas_even_i = %d\n", i,
+			  iEvenMeasOffset);
+		ath_print(common, ATH_DBG_CALIBRATE,
+			  "Chn %d pwr_meas_odd_q = %d\n", i,
+			  qOddMeasOffset);
+		ath_print(common, ATH_DBG_CALIBRATE,
+			  "Chn %d pwr_meas_even_q = %d\n", i,
+			  qEvenMeasOffset);
 
 		iDcMismatch = (((iEvenMeasOffset - iOddMeasOffset) * 2) /
 			       numSamples) & 0x1ff;
 		qDcMismatch = (((qOddMeasOffset - qEvenMeasOffset) * 2) /
 			       numSamples) & 0x1ff;
 
-		DPRINTF(ah, ATH_DBG_CALIBRATE,
-			"Chn %d dc_offset_mismatch_i = 0x%08x\n", i,
-			iDcMismatch);
-		DPRINTF(ah, ATH_DBG_CALIBRATE,
-			"Chn %d dc_offset_mismatch_q = 0x%08x\n", i,
-			qDcMismatch);
+		ath_print(common, ATH_DBG_CALIBRATE,
+			  "Chn %d dc_offset_mismatch_i = 0x%08x\n", i,
+			  iDcMismatch);
+		ath_print(common, ATH_DBG_CALIBRATE,
+			  "Chn %d dc_offset_mismatch_q = 0x%08x\n", i,
+			  qDcMismatch);
 
 		val = REG_READ(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i));
 		val &= 0xc0000fff;
 		val |= (qDcMismatch << 12) | (iDcMismatch << 21);
 		REG_WRITE(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i), val);
 
-		DPRINTF(ah, ATH_DBG_CALIBRATE,
-			"ADC DC Offset Cal done for Chain %d\n", i);
+		ath_print(common, ATH_DBG_CALIBRATE,
+			  "ADC DC Offset Cal done for Chain %d\n", i);
 	}
 
 	REG_WRITE(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(0),
@@ -555,7 +562,8 @@ static void ath9k_hw_adc_dccal_calibrate(struct ath_hw *ah, u8 numChains)
 /* This is done for the currently configured channel */
 bool ath9k_hw_reset_calvalid(struct ath_hw *ah)
 {
-	struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
+	struct ath_common *common = ath9k_hw_common(ah);
+	struct ieee80211_conf *conf = &common->hw->conf;
 	struct ath9k_cal_list *currCal = ah->cal_list_curr;
 
 	if (!ah->curchan)
@@ -568,18 +576,18 @@ bool ath9k_hw_reset_calvalid(struct ath_hw *ah)
 		return true;
 
 	if (currCal->calState != CAL_DONE) {
-		DPRINTF(ah, ATH_DBG_CALIBRATE,
-			"Calibration state incorrect, %d\n",
-			currCal->calState);
+		ath_print(common, ATH_DBG_CALIBRATE,
+			  "Calibration state incorrect, %d\n",
+			  currCal->calState);
 		return true;
 	}
 
 	if (!ath9k_hw_iscal_supported(ah, currCal->calData->calType))
 		return true;
 
-	DPRINTF(ah, ATH_DBG_CALIBRATE,
-		"Resetting Cal %d state for channel %u\n",
-		currCal->calData->calType, conf->channel->center_freq);
+	ath_print(common, ATH_DBG_CALIBRATE,
+		  "Resetting Cal %d state for channel %u\n",
+		  currCal->calData->calType, conf->channel->center_freq);
 
 	ah->curchan->CalValid &= ~currCal->calData->calType;
 	currCal->calState = CAL_WAITING;
@@ -665,6 +673,7 @@ void ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan)
 int16_t ath9k_hw_getnf(struct ath_hw *ah,
 		       struct ath9k_channel *chan)
 {
+	struct ath_common *common = ath9k_hw_common(ah);
 	int16_t nf, nfThresh;
 	int16_t nfarray[NUM_NF_READINGS] = { 0 };
 	struct ath9k_nfcal_hist *h;
@@ -672,8 +681,8 @@ int16_t ath9k_hw_getnf(struct ath_hw *ah,
 
 	chan->channelFlags &= (~CHANNEL_CW_INT);
 	if (REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF) {
-		DPRINTF(ah, ATH_DBG_CALIBRATE,
-			"NF did not complete in calibration window\n");
+		ath_print(common, ATH_DBG_CALIBRATE,
+			  "NF did not complete in calibration window\n");
 		nf = 0;
 		chan->rawNoiseFloor = nf;
 		return chan->rawNoiseFloor;
@@ -682,10 +691,10 @@ int16_t ath9k_hw_getnf(struct ath_hw *ah,
 		nf = nfarray[0];
 		if (getNoiseFloorThresh(ah, c->band, &nfThresh)
 		    && nf > nfThresh) {
-			DPRINTF(ah, ATH_DBG_CALIBRATE,
-				"noise floor failed detected; "
-				"detected %d, threshold %d\n",
-				nf, nfThresh);
+			ath_print(common, ATH_DBG_CALIBRATE,
+				  "noise floor failed detected; "
+				  "detected %d, threshold %d\n",
+				  nf, nfThresh);
 			chan->channelFlags |= CHANNEL_CW_INT;
 		}
 	}
@@ -875,7 +884,7 @@ static void ath9k_hw_9271_pa_cal(struct ath_hw *ah)
 
 static inline void ath9k_hw_9285_pa_cal(struct ath_hw *ah, bool is_reset)
 {
-
+	struct ath_common *common = ath9k_hw_common(ah);
 	u32 regVal;
 	int i, offset, offs_6_1, offs_0;
 	u32 ccomp_org, reg_field;
@@ -889,7 +898,7 @@ static inline void ath9k_hw_9285_pa_cal(struct ath_hw *ah, bool is_reset)
 		{ 0x7838, 0 },
 	};
 
-	DPRINTF(ah, ATH_DBG_CALIBRATE, "Running PA Calibration\n");
+	ath_print(common, ATH_DBG_CALIBRATE, "Running PA Calibration\n");
 
 	/* PA CAL is not needed for high power solution */
 	if (ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE) ==
@@ -1039,6 +1048,8 @@ bool ath9k_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan,
 
 static bool ar9285_clc(struct ath_hw *ah, struct ath9k_channel *chan)
 {
+	struct ath_common *common = ath9k_hw_common(ah);
+
 	REG_SET_BIT(ah, AR_PHY_CL_CAL_CTL, AR_PHY_CL_CAL_ENABLE);
 	if (IS_CHAN_HT20(chan)) {
 		REG_SET_BIT(ah, AR_PHY_CL_CAL_CTL, AR_PHY_PARALLEL_CAL_ENABLE);
@@ -1049,9 +1060,9 @@ static bool ar9285_clc(struct ath_hw *ah, struct ath9k_channel *chan)
 		REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL);
 		if (!ath9k_hw_wait(ah, AR_PHY_AGC_CONTROL,
 				  AR_PHY_AGC_CONTROL_CAL, 0, AH_WAIT_TIMEOUT)) {
-			DPRINTF(ah, ATH_DBG_CALIBRATE, "offset "
-				"calibration failed to complete in "
-				"1ms; noisy ??\n");
+			ath_print(common, ATH_DBG_CALIBRATE, "offset "
+				  "calibration failed to complete in "
+				  "1ms; noisy ??\n");
 			return false;
 		}
 		REG_CLR_BIT(ah, AR_PHY_TURBO, AR_PHY_FC_DYN2040_EN);
@@ -1064,8 +1075,8 @@ static bool ar9285_clc(struct ath_hw *ah, struct ath9k_channel *chan)
 	REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL);
 	if (!ath9k_hw_wait(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL,
 			  0, AH_WAIT_TIMEOUT)) {
-		DPRINTF(ah, ATH_DBG_CALIBRATE, "offset calibration "
-				"failed to complete in 1ms; noisy ??\n");
+		ath_print(common, ATH_DBG_CALIBRATE, "offset calibration "
+			  "failed to complete in 1ms; noisy ??\n");
 		return false;
 	}
 
@@ -1078,6 +1089,8 @@ static bool ar9285_clc(struct ath_hw *ah, struct ath9k_channel *chan)
 
 bool ath9k_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan)
 {
+	struct ath_common *common = ath9k_hw_common(ah);
+
 	if (AR_SREV_9285_12_OR_LATER(ah)) {
 		if (!ar9285_clc(ah, chan))
 			return false;
@@ -1098,9 +1111,9 @@ bool ath9k_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan)
 		/* Poll for offset calibration complete */
 		if (!ath9k_hw_wait(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL,
 				   0, AH_WAIT_TIMEOUT)) {
-			DPRINTF(ah, ATH_DBG_CALIBRATE,
-				"offset calibration failed to complete in 1ms; "
-				"noisy environment?\n");
+			ath_print(common, ATH_DBG_CALIBRATE,
+				  "offset calibration failed to "
+				  "complete in 1ms; noisy environment?\n");
 			return false;
 		}
 
@@ -1128,20 +1141,20 @@ bool ath9k_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan)
 		if (ath9k_hw_iscal_supported(ah, ADC_GAIN_CAL)) {
 			INIT_CAL(&ah->adcgain_caldata);
 			INSERT_CAL(ah, &ah->adcgain_caldata);
-			DPRINTF(ah, ATH_DBG_CALIBRATE,
-				"enabling ADC Gain Calibration.\n");
+			ath_print(common, ATH_DBG_CALIBRATE,
+				  "enabling ADC Gain Calibration.\n");
 		}
 		if (ath9k_hw_iscal_supported(ah, ADC_DC_CAL)) {
 			INIT_CAL(&ah->adcdc_caldata);
 			INSERT_CAL(ah, &ah->adcdc_caldata);
-			DPRINTF(ah, ATH_DBG_CALIBRATE,
-				"enabling ADC DC Calibration.\n");
+			ath_print(common, ATH_DBG_CALIBRATE,
+				  "enabling ADC DC Calibration.\n");
 		}
 		if (ath9k_hw_iscal_supported(ah, IQ_MISMATCH_CAL)) {
 			INIT_CAL(&ah->iq_caldata);
 			INSERT_CAL(ah, &ah->iq_caldata);
-			DPRINTF(ah, ATH_DBG_CALIBRATE,
-				"enabling IQ Calibration.\n");
+			ath_print(common, ATH_DBG_CALIBRATE,
+				  "enabling IQ Calibration.\n");
 		}
 
 		ah->cal_list_curr = ah->cal_list;
diff --git a/drivers/net/wireless/ath/ath9k/calib.h b/drivers/net/wireless/ath/ath9k/calib.h
index 9028ab193e4..b2c873e9748 100644
--- a/drivers/net/wireless/ath/ath9k/calib.h
+++ b/drivers/net/wireless/ath/ath9k/calib.h
@@ -17,6 +17,8 @@
 #ifndef CALIB_H
 #define CALIB_H
 
+#include "hw.h"
+
 extern const struct ath9k_percal_data iq_cal_multi_sample;
 extern const struct ath9k_percal_data iq_cal_single_sample;
 extern const struct ath9k_percal_data adc_gain_cal_multi_sample;
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index babfd3780a9..5dfc0e97d96 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -18,26 +18,11 @@
 
 #include "ath9k.h"
 
-static unsigned int ath9k_debug = DBG_DEFAULT;
+static unsigned int ath9k_debug = ATH_DBG_DEFAULT;
 module_param_named(debug, ath9k_debug, uint, 0);
 
 static struct dentry *ath9k_debugfs_root;
 
-void DPRINTF(struct ath_hw *ah, int dbg_mask, const char *fmt, ...)
-{
-	if (!ah->ah_sc)
-		return;
-
-	if (ah->ah_sc->debug.debug_mask & dbg_mask) {
-		va_list args;
-
-		va_start(args, fmt);
-		printk(KERN_DEBUG "ath9k: ");
-		vprintk(fmt, args);
-		va_end(args);
-	}
-}
-
 static int ath9k_debugfs_open(struct inode *inode, struct file *file)
 {
 	file->private_data = inode->i_private;
@@ -48,10 +33,11 @@ static ssize_t read_file_debug(struct file *file, char __user *user_buf,
 			     size_t count, loff_t *ppos)
 {
 	struct ath_softc *sc = file->private_data;
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	char buf[32];
 	unsigned int len;
 
-	len = snprintf(buf, sizeof(buf), "0x%08x\n", sc->debug.debug_mask);
+	len = snprintf(buf, sizeof(buf), "0x%08x\n", common->debug_mask);
 	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 }
 
@@ -59,6 +45,7 @@ static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
 			     size_t count, loff_t *ppos)
 {
 	struct ath_softc *sc = file->private_data;
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	unsigned long mask;
 	char buf[32];
 	ssize_t len;
@@ -71,7 +58,7 @@ static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
 	if (strict_strtoul(buf, 0, &mask))
 		return -EINVAL;
 
-	sc->debug.debug_mask = mask;
+	common->debug_mask = mask;
 	return count;
 }
 
@@ -571,8 +558,9 @@ static const struct file_operations fops_xmit = {
 int ath9k_init_debug(struct ath_hw *ah)
 {
 	struct ath_softc *sc = ah->ah_sc;
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 
-	sc->debug.debug_mask = ath9k_debug;
+	common->debug_mask = ath9k_debug;
 
 	if (!ath9k_debugfs_root)
 		return -ENOENT;
diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h
index c9c1aac95ae..749e85d5755 100644
--- a/drivers/net/wireless/ath/ath9k/debug.h
+++ b/drivers/net/wireless/ath/ath9k/debug.h
@@ -19,26 +19,6 @@
 
 #include "hw.h"
 
-enum ATH_DEBUG {
-	ATH_DBG_RESET		= 0x00000001,
-	ATH_DBG_QUEUE		= 0x00000002,
-	ATH_DBG_EEPROM		= 0x00000004,
-	ATH_DBG_CALIBRATE	= 0x00000008,
-	ATH_DBG_INTERRUPT	= 0x00000010,
-	ATH_DBG_REGULATORY	= 0x00000020,
-	ATH_DBG_ANI		= 0x00000040,
-	ATH_DBG_XMIT		= 0x00000080,
-	ATH_DBG_BEACON		= 0x00000100,
-	ATH_DBG_CONFIG		= 0x00000200,
-	ATH_DBG_FATAL		= 0x00000400,
-	ATH_DBG_PS		= 0x00000800,
-	ATH_DBG_HWTIMER		= 0x00001000,
-	ATH_DBG_BTCOEX		= 0x00002000,
-	ATH_DBG_ANY		= 0xffffffff
-};
-
-#define DBG_DEFAULT (ATH_DBG_FATAL)
-
 struct ath_txq;
 struct ath_buf;
 
@@ -142,7 +122,6 @@ struct ath_stats {
 };
 
 struct ath9k_debug {
-	int debug_mask;
 	struct dentry *debugfs_phy;
 	struct dentry *debugfs_debug;
 	struct dentry *debugfs_dma;
@@ -153,7 +132,6 @@ struct ath9k_debug {
 	struct ath_stats stats;
 };
 
-void DPRINTF(struct ath_hw *ah, int dbg_mask, const char *fmt, ...);
 int ath9k_init_debug(struct ath_hw *ah);
 void ath9k_exit_debug(struct ath_hw *ah);
 
@@ -168,11 +146,6 @@ void ath_debug_stat_retries(struct ath_softc *sc, int rix,
 
 #else
 
-static inline void DPRINTF(struct ath_hw *ah, int dbg_mask,
-			   const char *fmt, ...)
-{
-}
-
 static inline int ath9k_init_debug(struct ath_hw *ah)
 {
 	return 0;
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_4k.c b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
index 0675cd5edf0..079dd201a2d 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_4k.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
@@ -15,6 +15,7 @@
  */
 
 #include "ath9k.h"
+#include "hw.h"
 
 static int ath9k_hw_4k_get_eeprom_ver(struct ath_hw *ah)
 {
@@ -29,20 +30,21 @@ static int ath9k_hw_4k_get_eeprom_rev(struct ath_hw *ah)
 static bool ath9k_hw_4k_fill_eeprom(struct ath_hw *ah)
 {
 #define SIZE_EEPROM_4K (sizeof(struct ar5416_eeprom_4k) / sizeof(u16))
+	struct ath_common *common = ath9k_hw_common(ah);
 	u16 *eep_data = (u16 *)&ah->eeprom.map4k;
 	int addr, eep_start_loc = 0;
 
 	eep_start_loc = 64;
 
 	if (!ath9k_hw_use_flash(ah)) {
-		DPRINTF(ah, ATH_DBG_EEPROM,
-			"Reading from EEPROM, not flash\n");
+		ath_print(common, ATH_DBG_EEPROM,
+			  "Reading from EEPROM, not flash\n");
 	}
 
 	for (addr = 0; addr < SIZE_EEPROM_4K; addr++) {
 		if (!ath9k_hw_nvram_read(ah, addr + eep_start_loc, eep_data)) {
-			DPRINTF(ah, ATH_DBG_EEPROM,
-			       "Unable to read eeprom region \n");
+			ath_print(common, ATH_DBG_EEPROM,
+				  "Unable to read eeprom region \n");
 			return false;
 		}
 		eep_data++;
@@ -55,6 +57,7 @@ static bool ath9k_hw_4k_fill_eeprom(struct ath_hw *ah)
 static int ath9k_hw_4k_check_eeprom(struct ath_hw *ah)
 {
 #define EEPROM_4K_SIZE (sizeof(struct ar5416_eeprom_4k) / sizeof(u16))
+	struct ath_common *common = ath9k_hw_common(ah);
 	struct ar5416_eeprom_4k *eep =
 		(struct ar5416_eeprom_4k *) &ah->eeprom.map4k;
 	u16 *eepdata, temp, magic, magic2;
@@ -66,13 +69,13 @@ static int ath9k_hw_4k_check_eeprom(struct ath_hw *ah)
 	if (!ath9k_hw_use_flash(ah)) {
 		if (!ath9k_hw_nvram_read(ah, AR5416_EEPROM_MAGIC_OFFSET,
 					 &magic)) {
-			DPRINTF(ah, ATH_DBG_FATAL,
-				"Reading Magic # failed\n");
+			ath_print(common, ATH_DBG_FATAL,
+				  "Reading Magic # failed\n");
 			return false;
 		}
 
-		DPRINTF(ah, ATH_DBG_EEPROM,
-			"Read Magic = 0x%04X\n", magic);
+		ath_print(common, ATH_DBG_EEPROM,
+			  "Read Magic = 0x%04X\n", magic);
 
 		if (magic != AR5416_EEPROM_MAGIC) {
 			magic2 = swab16(magic);
@@ -87,16 +90,16 @@ static int ath9k_hw_4k_check_eeprom(struct ath_hw *ah)
 					eepdata++;
 				}
 			} else {
-				DPRINTF(ah, ATH_DBG_FATAL,
-					"Invalid EEPROM Magic. "
-					"endianness mismatch.\n");
+				ath_print(common, ATH_DBG_FATAL,
+					  "Invalid EEPROM Magic. "
+					  "endianness mismatch.\n");
 				return -EINVAL;
 			}
 		}
 	}
 
-	DPRINTF(ah, ATH_DBG_EEPROM, "need_swap = %s.\n",
-		need_swap ? "True" : "False");
+	ath_print(common, ATH_DBG_EEPROM, "need_swap = %s.\n",
+		  need_swap ? "True" : "False");
 
 	if (need_swap)
 		el = swab16(ah->eeprom.map4k.baseEepHeader.length);
@@ -117,8 +120,8 @@ static int ath9k_hw_4k_check_eeprom(struct ath_hw *ah)
 		u32 integer;
 		u16 word;
 
-		DPRINTF(ah, ATH_DBG_EEPROM,
-			"EEPROM Endianness is not native.. Changing\n");
+		ath_print(common, ATH_DBG_EEPROM,
+			  "EEPROM Endianness is not native.. Changing\n");
 
 		word = swab16(eep->baseEepHeader.length);
 		eep->baseEepHeader.length = word;
@@ -160,9 +163,9 @@ static int ath9k_hw_4k_check_eeprom(struct ath_hw *ah)
 
 	if (sum != 0xffff || ah->eep_ops->get_eeprom_ver(ah) != AR5416_EEP_VER ||
 	    ah->eep_ops->get_eeprom_rev(ah) < AR5416_EEP_NO_BACK_VER) {
-		DPRINTF(ah, ATH_DBG_FATAL,
-			"Bad EEPROM checksum 0x%x or revision 0x%04x\n",
-			sum, ah->eep_ops->get_eeprom_ver(ah));
+		ath_print(common, ATH_DBG_FATAL,
+			  "Bad EEPROM checksum 0x%x or revision 0x%04x\n",
+			  sum, ah->eep_ops->get_eeprom_ver(ah));
 		return -EINVAL;
 	}
 
@@ -385,6 +388,7 @@ static void ath9k_hw_set_4k_power_cal_table(struct ath_hw *ah,
 				  struct ath9k_channel *chan,
 				  int16_t *pTxPowerIndexOffset)
 {
+	struct ath_common *common = ath9k_hw_common(ah);
 	struct ar5416_eeprom_4k *pEepData = &ah->eeprom.map4k;
 	struct cal_data_per_freq_4k *pRawDataset;
 	u8 *pCalBChans = NULL;
@@ -470,21 +474,21 @@ static void ath9k_hw_set_4k_power_cal_table(struct ath_hw *ah,
 					((pdadcValues[4 * j + 3] & 0xFF) << 24);
 				REG_WRITE(ah, regOffset, reg32);
 
-				DPRINTF(ah, ATH_DBG_EEPROM,
-					"PDADC (%d,%4x): %4.4x %8.8x\n",
-					i, regChainOffset, regOffset,
-					reg32);
-				DPRINTF(ah, ATH_DBG_EEPROM,
-					"PDADC: Chain %d | "
-					"PDADC %3d Value %3d | "
-					"PDADC %3d Value %3d | "
-					"PDADC %3d Value %3d | "
-					"PDADC %3d Value %3d |\n",
-					i, 4 * j, pdadcValues[4 * j],
-					4 * j + 1, pdadcValues[4 * j + 1],
-					4 * j + 2, pdadcValues[4 * j + 2],
-					4 * j + 3,
-					pdadcValues[4 * j + 3]);
+				ath_print(common, ATH_DBG_EEPROM,
+					  "PDADC (%d,%4x): %4.4x %8.8x\n",
+					  i, regChainOffset, regOffset,
+					  reg32);
+				ath_print(common, ATH_DBG_EEPROM,
+					  "PDADC: Chain %d | "
+					  "PDADC %3d Value %3d | "
+					  "PDADC %3d Value %3d | "
+					  "PDADC %3d Value %3d | "
+					  "PDADC %3d Value %3d |\n",
+					  i, 4 * j, pdadcValues[4 * j],
+					  4 * j + 1, pdadcValues[4 * j + 1],
+					  4 * j + 2, pdadcValues[4 * j + 2],
+					  4 * j + 3,
+					  pdadcValues[4 * j + 3]);
 
 				regOffset += 4;
 			}
@@ -1148,20 +1152,21 @@ static u16 ath9k_hw_4k_get_spur_channel(struct ath_hw *ah, u16 i, bool is2GHz)
 {
 #define EEP_MAP4K_SPURCHAN \
 	(ah->eeprom.map4k.modalHeader.spurChans[i].spurChan)
+	struct ath_common *common = ath9k_hw_common(ah);
 
 	u16 spur_val = AR_NO_SPUR;
 
-	DPRINTF(ah, ATH_DBG_ANI,
-		"Getting spur idx %d is2Ghz. %d val %x\n",
-		i, is2GHz, ah->config.spurchans[i][is2GHz]);
+	ath_print(common, ATH_DBG_ANI,
+		  "Getting spur idx %d is2Ghz. %d val %x\n",
+		  i, is2GHz, ah->config.spurchans[i][is2GHz]);
 
 	switch (ah->config.spurmode) {
 	case SPUR_DISABLE:
 		break;
 	case SPUR_ENABLE_IOCTL:
 		spur_val = ah->config.spurchans[i][is2GHz];
-		DPRINTF(ah, ATH_DBG_ANI,
-			"Getting spur val from new loc. %d\n", spur_val);
+		ath_print(common, ATH_DBG_ANI,
+			  "Getting spur val from new loc. %d\n", spur_val);
 		break;
 	case SPUR_ENABLE_EEPROM:
 		spur_val = EEP_MAP4K_SPURCHAN;
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_9287.c b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
index c6a4325019d..6ffe85de75c 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_9287.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
@@ -15,6 +15,7 @@
  */
 
 #include "ath9k.h"
+#include "hw.h"
 
 static int ath9k_hw_AR9287_get_eeprom_ver(struct ath_hw *ah)
 {
@@ -29,20 +30,21 @@ static int ath9k_hw_AR9287_get_eeprom_rev(struct ath_hw *ah)
 static bool ath9k_hw_AR9287_fill_eeprom(struct ath_hw *ah)
 {
 	struct ar9287_eeprom *eep = &ah->eeprom.map9287;
+	struct ath_common *common = ath9k_hw_common(ah);
 	u16 *eep_data;
 	int addr, eep_start_loc = AR9287_EEP_START_LOC;
 	eep_data = (u16 *)eep;
 
 	if (!ath9k_hw_use_flash(ah)) {
-		DPRINTF(ah, ATH_DBG_EEPROM,
-			"Reading from EEPROM, not flash\n");
+		ath_print(common, ATH_DBG_EEPROM,
+			  "Reading from EEPROM, not flash\n");
 	}
 
 	for (addr = 0; addr < sizeof(struct ar9287_eeprom) / sizeof(u16);
 			addr++)	{
 		if (!ath9k_hw_nvram_read(ah, addr + eep_start_loc, eep_data)) {
-			DPRINTF(ah, ATH_DBG_EEPROM,
-				"Unable to read eeprom region \n");
+			ath_print(common, ATH_DBG_EEPROM,
+				  "Unable to read eeprom region \n");
 			return false;
 		}
 		eep_data++;
@@ -57,17 +59,18 @@ static int ath9k_hw_AR9287_check_eeprom(struct ath_hw *ah)
 	int i, addr;
 	bool need_swap = false;
 	struct ar9287_eeprom *eep = &ah->eeprom.map9287;
+	struct ath_common *common = ath9k_hw_common(ah);
 
 	if (!ath9k_hw_use_flash(ah)) {
 		if (!ath9k_hw_nvram_read
 		    (ah, AR5416_EEPROM_MAGIC_OFFSET, &magic)) {
-			DPRINTF(ah, ATH_DBG_FATAL,
-				"Reading Magic # failed\n");
+			ath_print(common, ATH_DBG_FATAL,
+				  "Reading Magic # failed\n");
 			return false;
 		}
 
-		DPRINTF(ah, ATH_DBG_EEPROM,
-				"Read Magic = 0x%04X\n", magic);
+		ath_print(common, ATH_DBG_EEPROM,
+			  "Read Magic = 0x%04X\n", magic);
 		if (magic != AR5416_EEPROM_MAGIC) {
 			magic2 = swab16(magic);
 
@@ -83,15 +86,15 @@ static int ath9k_hw_AR9287_check_eeprom(struct ath_hw *ah)
 					eepdata++;
 				}
 			} else {
-				DPRINTF(ah, ATH_DBG_FATAL,
-					"Invalid EEPROM Magic. "
-					"endianness mismatch.\n");
+				ath_print(common, ATH_DBG_FATAL,
+					  "Invalid EEPROM Magic. "
+					  "endianness mismatch.\n");
 				return -EINVAL;
 			}
 		}
 	}
-	DPRINTF(ah, ATH_DBG_EEPROM, "need_swap = %s.\n", need_swap ?
-		"True" : "False");
+	ath_print(common, ATH_DBG_EEPROM, "need_swap = %s.\n", need_swap ?
+		  "True" : "False");
 
 	if (need_swap)
 		el = swab16(ah->eeprom.map9287.baseEepHeader.length);
@@ -148,9 +151,9 @@ static int ath9k_hw_AR9287_check_eeprom(struct ath_hw *ah)
 
 	if (sum != 0xffff || ah->eep_ops->get_eeprom_ver(ah) != AR9287_EEP_VER
 	    || ah->eep_ops->get_eeprom_rev(ah) < AR5416_EEP_NO_BACK_VER) {
-		DPRINTF(ah, ATH_DBG_FATAL,
-			"Bad EEPROM checksum 0x%x or revision 0x%04x\n",
-			 sum, ah->eep_ops->get_eeprom_ver(ah));
+		ath_print(common, ATH_DBG_FATAL,
+			  "Bad EEPROM checksum 0x%x or revision 0x%04x\n",
+			   sum, ah->eep_ops->get_eeprom_ver(ah));
 		return -EINVAL;
 	}
 
@@ -436,6 +439,7 @@ static void ath9k_hw_set_AR9287_power_cal_table(struct ath_hw *ah,
 						struct ath9k_channel *chan,
 						int16_t *pTxPowerIndexOffset)
 {
+	struct ath_common *common = ath9k_hw_common(ah);
 	struct cal_data_per_freq_ar9287 *pRawDataset;
 	struct cal_data_op_loop_ar9287 *pRawDatasetOpenLoop;
 	u8  *pCalBChans = NULL;
@@ -564,24 +568,25 @@ static void ath9k_hw_set_AR9287_power_cal_table(struct ath_hw *ah,
 						  & 0xFF) << 24) ;
 					REG_WRITE(ah, regOffset, reg32);
 
-					DPRINTF(ah, ATH_DBG_EEPROM,
-						"PDADC (%d,%4x): %4.4x %8.8x\n",
-						i, regChainOffset, regOffset,
-						reg32);
-
-					DPRINTF(ah, ATH_DBG_EEPROM,
-						"PDADC: Chain %d | "
-						"PDADC %3d Value %3d | "
-						"PDADC %3d Value %3d | "
-						"PDADC %3d Value %3d | "
-						"PDADC %3d Value %3d |\n",
-						i, 4 * j, pdadcValues[4 * j],
-						4 * j + 1,
-						pdadcValues[4 * j + 1],
-						4 * j + 2,
-						pdadcValues[4 * j + 2],
-						4 * j + 3,
-						pdadcValues[4 * j + 3]);
+					ath_print(common, ATH_DBG_EEPROM,
+						  "PDADC (%d,%4x): %4.4x "
+						  "%8.8x\n",
+						  i, regChainOffset, regOffset,
+						  reg32);
+
+					ath_print(common, ATH_DBG_EEPROM,
+						  "PDADC: Chain %d | "
+						  "PDADC %3d Value %3d | "
+						  "PDADC %3d Value %3d | "
+						  "PDADC %3d Value %3d | "
+						  "PDADC %3d Value %3d |\n",
+						  i, 4 * j, pdadcValues[4 * j],
+						  4 * j + 1,
+						  pdadcValues[4 * j + 1],
+						  4 * j + 2,
+						  pdadcValues[4 * j + 2],
+						  4 * j + 3,
+						  pdadcValues[4 * j + 3]);
 
 					regOffset += 4;
 				}
@@ -831,6 +836,7 @@ static void ath9k_hw_AR9287_set_txpower(struct ath_hw *ah,
 {
 #define INCREASE_MAXPOW_BY_TWO_CHAIN     6
 #define INCREASE_MAXPOW_BY_THREE_CHAIN   10
+	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
 	struct ar9287_eeprom *pEepData = &ah->eeprom.map9287;
 	struct modal_eep_ar9287_header *pModal = &pEepData->modalHeader;
@@ -966,8 +972,8 @@ static void ath9k_hw_AR9287_set_txpower(struct ath_hw *ah,
 			INCREASE_MAXPOW_BY_THREE_CHAIN;
 		break;
 	default:
-		DPRINTF(ah, ATH_DBG_EEPROM,
-			"Invalid chainmask configuration\n");
+		ath_print(common, ATH_DBG_EEPROM,
+			  "Invalid chainmask configuration\n");
 		break;
 	}
 }
@@ -1138,19 +1144,20 @@ static u16 ath9k_hw_AR9287_get_spur_channel(struct ath_hw *ah,
 {
 #define EEP_MAP9287_SPURCHAN \
 	(ah->eeprom.map9287.modalHeader.spurChans[i].spurChan)
+	struct ath_common *common = ath9k_hw_common(ah);
 	u16 spur_val = AR_NO_SPUR;
 
-	DPRINTF(ah, ATH_DBG_ANI,
-		"Getting spur idx %d is2Ghz. %d val %x\n",
-		i, is2GHz, ah->config.spurchans[i][is2GHz]);
+	ath_print(common, ATH_DBG_ANI,
+		  "Getting spur idx %d is2Ghz. %d val %x\n",
+		  i, is2GHz, ah->config.spurchans[i][is2GHz]);
 
 	switch (ah->config.spurmode) {
 	case SPUR_DISABLE:
 		break;
 	case SPUR_ENABLE_IOCTL:
 		spur_val = ah->config.spurchans[i][is2GHz];
-		DPRINTF(ah, ATH_DBG_ANI,
-		       "Getting spur val from new loc. %d\n", spur_val);
+		ath_print(common, ATH_DBG_ANI,
+			  "Getting spur val from new loc. %d\n", spur_val);
 		break;
 	case SPUR_ENABLE_EEPROM:
 		spur_val = EEP_MAP9287_SPURCHAN;
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_def.c b/drivers/net/wireless/ath/ath9k/eeprom_def.c
index 8a7fc3962a1..b0687e5bdc1 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_def.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_def.c
@@ -15,6 +15,7 @@
  */
 
 #include "ath9k.h"
+#include "hw.h"
 
 static void ath9k_get_txgain_index(struct ath_hw *ah,
 		struct ath9k_channel *chan,
@@ -95,8 +96,8 @@ static bool ath9k_hw_def_fill_eeprom(struct ath_hw *ah)
 	for (addr = 0; addr < SIZE_EEPROM_DEF; addr++) {
 		if (!ath9k_hw_nvram_read(ah, addr + ar5416_eep_start_loc,
 					 eep_data)) {
-			DPRINTF(ah, ATH_DBG_FATAL,
-				"Unable to read eeprom region\n");
+			ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
+				  "Unable to read eeprom region\n");
 			return false;
 		}
 		eep_data++;
@@ -109,19 +110,20 @@ static int ath9k_hw_def_check_eeprom(struct ath_hw *ah)
 {
 	struct ar5416_eeprom_def *eep =
 		(struct ar5416_eeprom_def *) &ah->eeprom.def;
+	struct ath_common *common = ath9k_hw_common(ah);
 	u16 *eepdata, temp, magic, magic2;
 	u32 sum = 0, el;
 	bool need_swap = false;
 	int i, addr, size;
 
 	if (!ath9k_hw_nvram_read(ah, AR5416_EEPROM_MAGIC_OFFSET, &magic)) {
-		DPRINTF(ah, ATH_DBG_FATAL, "Reading Magic # failed\n");
+		ath_print(common, ATH_DBG_FATAL, "Reading Magic # failed\n");
 		return false;
 	}
 
 	if (!ath9k_hw_use_flash(ah)) {
-		DPRINTF(ah, ATH_DBG_EEPROM,
-			"Read Magic = 0x%04X\n", magic);
+		ath_print(common, ATH_DBG_EEPROM,
+			  "Read Magic = 0x%04X\n", magic);
 
 		if (magic != AR5416_EEPROM_MAGIC) {
 			magic2 = swab16(magic);
@@ -137,16 +139,16 @@ static int ath9k_hw_def_check_eeprom(struct ath_hw *ah)
 					eepdata++;
 				}
 			} else {
-				DPRINTF(ah, ATH_DBG_FATAL,
-					"Invalid EEPROM Magic. "
-					"Endianness mismatch.\n");
+				ath_print(common, ATH_DBG_FATAL,
+					  "Invalid EEPROM Magic. "
+					  "Endianness mismatch.\n");
 				return -EINVAL;
 			}
 		}
 	}
 
-	DPRINTF(ah, ATH_DBG_EEPROM, "need_swap = %s.\n",
-		need_swap ? "True" : "False");
+	ath_print(common, ATH_DBG_EEPROM, "need_swap = %s.\n",
+		  need_swap ? "True" : "False");
 
 	if (need_swap)
 		el = swab16(ah->eeprom.def.baseEepHeader.length);
@@ -167,8 +169,8 @@ static int ath9k_hw_def_check_eeprom(struct ath_hw *ah)
 		u32 integer, j;
 		u16 word;
 
-		DPRINTF(ah, ATH_DBG_EEPROM,
-			"EEPROM Endianness is not native.. Changing.\n");
+		ath_print(common, ATH_DBG_EEPROM,
+			  "EEPROM Endianness is not native.. Changing.\n");
 
 		word = swab16(eep->baseEepHeader.length);
 		eep->baseEepHeader.length = word;
@@ -214,8 +216,8 @@ static int ath9k_hw_def_check_eeprom(struct ath_hw *ah)
 
 	if (sum != 0xffff || ah->eep_ops->get_eeprom_ver(ah) != AR5416_EEP_VER ||
 	    ah->eep_ops->get_eeprom_rev(ah) < AR5416_EEP_NO_BACK_VER) {
-		DPRINTF(ah, ATH_DBG_FATAL,
-			"Bad EEPROM checksum 0x%x or revision 0x%04x\n",
+		ath_print(common, ATH_DBG_FATAL,
+			  "Bad EEPROM checksum 0x%x or revision 0x%04x\n",
 			sum, ah->eep_ops->get_eeprom_ver(ah));
 		return -EINVAL;
 	}
@@ -746,7 +748,7 @@ static void ath9k_hw_set_def_power_cal_table(struct ath_hw *ah,
 #define SM_PD_GAIN(x) SM(0x38, AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_##x)
 #define SM_PDGAIN_B(x, y) \
 		SM((gainBoundaries[x]), AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_##y)
-
+	struct ath_common *common = ath9k_hw_common(ah);
 	struct ar5416_eeprom_def *pEepData = &ah->eeprom.def;
 	struct cal_data_per_freq *pRawDataset;
 	u8 *pCalBChans = NULL;
@@ -870,20 +872,20 @@ static void ath9k_hw_set_def_power_cal_table(struct ath_hw *ah,
 					((pdadcValues[4 * j + 3] & 0xFF) << 24);
 				REG_WRITE(ah, regOffset, reg32);
 
-				DPRINTF(ah, ATH_DBG_EEPROM,
-					"PDADC (%d,%4x): %4.4x %8.8x\n",
-					i, regChainOffset, regOffset,
-					reg32);
-				DPRINTF(ah, ATH_DBG_EEPROM,
-					"PDADC: Chain %d | PDADC %3d "
-					"Value %3d | PDADC %3d Value %3d | "
-					"PDADC %3d Value %3d | PDADC %3d "
-					"Value %3d |\n",
-					i, 4 * j, pdadcValues[4 * j],
-					4 * j + 1, pdadcValues[4 * j + 1],
-					4 * j + 2, pdadcValues[4 * j + 2],
-					4 * j + 3,
-					pdadcValues[4 * j + 3]);
+				ath_print(common, ATH_DBG_EEPROM,
+					  "PDADC (%d,%4x): %4.4x %8.8x\n",
+					  i, regChainOffset, regOffset,
+					  reg32);
+				ath_print(common, ATH_DBG_EEPROM,
+					  "PDADC: Chain %d | PDADC %3d "
+					  "Value %3d | PDADC %3d Value %3d | "
+					  "PDADC %3d Value %3d | PDADC %3d "
+					  "Value %3d |\n",
+					  i, 4 * j, pdadcValues[4 * j],
+					  4 * j + 1, pdadcValues[4 * j + 1],
+					  4 * j + 2, pdadcValues[4 * j + 2],
+					  4 * j + 3,
+					  pdadcValues[4 * j + 3]);
 
 				regOffset += 4;
 			}
@@ -1311,8 +1313,8 @@ static void ath9k_hw_def_set_txpower(struct ath_hw *ah,
 		regulatory->max_power_level += INCREASE_MAXPOW_BY_THREE_CHAIN;
 		break;
 	default:
-		DPRINTF(ah, ATH_DBG_EEPROM,
-			"Invalid chainmask configuration\n");
+		ath_print(ath9k_hw_common(ah), ATH_DBG_EEPROM,
+			  "Invalid chainmask configuration\n");
 		break;
 	}
 }
@@ -1349,20 +1351,21 @@ static u16 ath9k_hw_def_get_spur_channel(struct ath_hw *ah, u16 i, bool is2GHz)
 {
 #define EEP_DEF_SPURCHAN \
 	(ah->eeprom.def.modalHeader[is2GHz].spurChans[i].spurChan)
+	struct ath_common *common = ath9k_hw_common(ah);
 
 	u16 spur_val = AR_NO_SPUR;
 
-	DPRINTF(ah, ATH_DBG_ANI,
-		"Getting spur idx %d is2Ghz. %d val %x\n",
-		i, is2GHz, ah->config.spurchans[i][is2GHz]);
+	ath_print(common, ATH_DBG_ANI,
+		  "Getting spur idx %d is2Ghz. %d val %x\n",
+		  i, is2GHz, ah->config.spurchans[i][is2GHz]);
 
 	switch (ah->config.spurmode) {
 	case SPUR_DISABLE:
 		break;
 	case SPUR_ENABLE_IOCTL:
 		spur_val = ah->config.spurchans[i][is2GHz];
-		DPRINTF(ah, ATH_DBG_ANI,
-			"Getting spur val from new loc. %d\n", spur_val);
+		ath_print(common, ATH_DBG_ANI,
+			  "Getting spur val from new loc. %d\n", spur_val);
 		break;
 	case SPUR_ENABLE_EEPROM:
 		spur_val = EEP_DEF_SPURCHAN;
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index e6ca3158759..8ecd1b0bdf8 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -94,9 +94,9 @@ bool ath9k_hw_wait(struct ath_hw *ah, u32 reg, u32 mask, u32 val, u32 timeout)
 		udelay(AH_TIME_QUANTUM);
 	}
 
-	DPRINTF(ah, ATH_DBG_ANY,
-		"timeout (%d us) on reg 0x%x: 0x%08x & 0x%08x != 0x%08x\n",
-		timeout, reg, REG_READ(ah, reg), mask, val);
+	ath_print(ath9k_hw_common(ah), ATH_DBG_ANY,
+		  "timeout (%d us) on reg 0x%x: 0x%08x & 0x%08x != 0x%08x\n",
+		  timeout, reg, REG_READ(ah, reg), mask, val);
 
 	return false;
 }
@@ -178,9 +178,9 @@ u16 ath9k_hw_computetxtime(struct ath_hw *ah,
 		}
 		break;
 	default:
-		DPRINTF(ah, ATH_DBG_FATAL,
-			"Unknown phy %u (rate ix %u)\n",
-			rates->info[rateix].phy, rateix);
+		ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
+			  "Unknown phy %u (rate ix %u)\n",
+			  rates->info[rateix].phy, rateix);
 		txTime = 0;
 		break;
 	}
@@ -285,6 +285,7 @@ static void ath9k_hw_disablepcie(struct ath_hw *ah)
 
 static bool ath9k_hw_chip_test(struct ath_hw *ah)
 {
+	struct ath_common *common = ath9k_hw_common(ah);
 	u32 regAddr[2] = { AR_STA_ID0, AR_PHY_BASE + (8 << 2) };
 	u32 regHold[2];
 	u32 patternData[4] = { 0x55555555,
@@ -303,10 +304,11 @@ static bool ath9k_hw_chip_test(struct ath_hw *ah)
 			REG_WRITE(ah, addr, wrData);
 			rdData = REG_READ(ah, addr);
 			if (rdData != wrData) {
-				DPRINTF(ah, ATH_DBG_FATAL,
-					"address test failed "
-					"addr: 0x%08x - wr:0x%08x != rd:0x%08x\n",
-					addr, wrData, rdData);
+				ath_print(common, ATH_DBG_FATAL,
+					  "address test failed "
+					  "addr: 0x%08x - wr:0x%08x != "
+					  "rd:0x%08x\n",
+					  addr, wrData, rdData);
 				return false;
 			}
 		}
@@ -315,10 +317,11 @@ static bool ath9k_hw_chip_test(struct ath_hw *ah)
 			REG_WRITE(ah, addr, wrData);
 			rdData = REG_READ(ah, addr);
 			if (wrData != rdData) {
-				DPRINTF(ah, ATH_DBG_FATAL,
-					"address test failed "
-					"addr: 0x%08x - wr:0x%08x != rd:0x%08x\n",
-					addr, wrData, rdData);
+				ath_print(common, ATH_DBG_FATAL,
+					  "address test failed "
+					  "addr: 0x%08x - wr:0x%08x != "
+					  "rd:0x%08x\n",
+					  addr, wrData, rdData);
 				return false;
 			}
 		}
@@ -440,8 +443,8 @@ static int ath9k_hw_rfattach(struct ath_hw *ah)
 
 	rfStatus = ath9k_hw_init_rf(ah, &ecode);
 	if (!rfStatus) {
-		DPRINTF(ah, ATH_DBG_FATAL,
-			"RF setup failed, status: %u\n", ecode);
+		ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
+			  "RF setup failed, status: %u\n", ecode);
 		return ecode;
 	}
 
@@ -465,9 +468,9 @@ static int ath9k_hw_rf_claim(struct ath_hw *ah)
 	case AR_RAD2122_SREV_MAJOR:
 		break;
 	default:
-		DPRINTF(ah, ATH_DBG_FATAL,
-			"Radio Chip Rev 0x%02X not supported\n",
-			val & AR_RADIO_SREV_MAJOR);
+		ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
+			  "Radio Chip Rev 0x%02X not supported\n",
+			  val & AR_RADIO_SREV_MAJOR);
 		return -EOPNOTSUPP;
 	}
 
@@ -559,8 +562,10 @@ static int ath9k_hw_post_init(struct ath_hw *ah)
 	if (ecode != 0)
 		return ecode;
 
-	DPRINTF(ah, ATH_DBG_CONFIG, "Eeprom VER: %d, REV: %d\n",
-		ah->eep_ops->get_eeprom_ver(ah), ah->eep_ops->get_eeprom_rev(ah));
+	ath_print(ath9k_hw_common(ah), ATH_DBG_CONFIG,
+		  "Eeprom VER: %d, REV: %d\n",
+		  ah->eep_ops->get_eeprom_ver(ah),
+		  ah->eep_ops->get_eeprom_rev(ah));
 
 	ecode = ath9k_hw_rfattach(ah);
 	if (ecode != 0)
@@ -874,6 +879,7 @@ static void ath9k_hw_init_11a_eeprom_fix(struct ath_hw *ah)
 
 int ath9k_hw_init(struct ath_hw *ah)
 {
+	struct ath_common *common = ath9k_hw_common(ah);
 	int r = 0;
 
 	if (!ath9k_hw_devid_supported(ah->hw_version.devid))
@@ -883,12 +889,13 @@ int ath9k_hw_init(struct ath_hw *ah)
 	ath9k_hw_init_config(ah);
 
 	if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON)) {
-		DPRINTF(ah, ATH_DBG_FATAL, "Couldn't reset chip\n");
+		ath_print(common, ATH_DBG_FATAL,
+			  "Couldn't reset chip\n");
 		return -EIO;
 	}
 
 	if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) {
-		DPRINTF(ah, ATH_DBG_FATAL, "Couldn't wakeup chip\n");
+		ath_print(common, ATH_DBG_FATAL, "Couldn't wakeup chip\n");
 		return -EIO;
 	}
 
@@ -903,14 +910,14 @@ int ath9k_hw_init(struct ath_hw *ah)
 		}
 	}
 
-	DPRINTF(ah, ATH_DBG_RESET, "serialize_regmode is %d\n",
+	ath_print(common, ATH_DBG_RESET, "serialize_regmode is %d\n",
 		ah->config.serialize_regmode);
 
 	if (!ath9k_hw_macversion_supported(ah->hw_version.macVersion)) {
-		DPRINTF(ah, ATH_DBG_FATAL,
-			"Mac Chip Rev 0x%02x.%x is not supported by "
-			"this driver\n", ah->hw_version.macVersion,
-			ah->hw_version.macRev);
+		ath_print(common, ATH_DBG_FATAL,
+			  "Mac Chip Rev 0x%02x.%x is not supported by "
+			  "this driver\n", ah->hw_version.macVersion,
+			  ah->hw_version.macRev);
 		return -EOPNOTSUPP;
 	}
 
@@ -948,8 +955,8 @@ int ath9k_hw_init(struct ath_hw *ah)
 
 	r = ath9k_hw_init_macaddr(ah);
 	if (r) {
-		DPRINTF(ah, ATH_DBG_FATAL,
-			"Failed to initialize MAC address\n");
+		ath_print(common, ATH_DBG_FATAL,
+			  "Failed to initialize MAC address\n");
 		return r;
 	}
 
@@ -1133,7 +1140,8 @@ static void ath9k_hw_init_interrupt_masks(struct ath_hw *ah,
 static bool ath9k_hw_set_ack_timeout(struct ath_hw *ah, u32 us)
 {
 	if (us > ath9k_hw_mac_to_usec(ah, MS(0xffffffff, AR_TIME_OUT_ACK))) {
-		DPRINTF(ah, ATH_DBG_RESET, "bad ack timeout %u\n", us);
+		ath_print(ath9k_hw_common(ah), ATH_DBG_RESET,
+			  "bad ack timeout %u\n", us);
 		ah->acktimeout = (u32) -1;
 		return false;
 	} else {
@@ -1147,7 +1155,8 @@ static bool ath9k_hw_set_ack_timeout(struct ath_hw *ah, u32 us)
 static bool ath9k_hw_set_cts_timeout(struct ath_hw *ah, u32 us)
 {
 	if (us > ath9k_hw_mac_to_usec(ah, MS(0xffffffff, AR_TIME_OUT_CTS))) {
-		DPRINTF(ah, ATH_DBG_RESET, "bad cts timeout %u\n", us);
+		ath_print(ath9k_hw_common(ah), ATH_DBG_RESET,
+			  "bad cts timeout %u\n", us);
 		ah->ctstimeout = (u32) -1;
 		return false;
 	} else {
@@ -1161,8 +1170,8 @@ static bool ath9k_hw_set_cts_timeout(struct ath_hw *ah, u32 us)
 static bool ath9k_hw_set_global_txtimeout(struct ath_hw *ah, u32 tu)
 {
 	if (tu > 0xFFFF) {
-		DPRINTF(ah, ATH_DBG_XMIT,
-			"bad global tx timeout %u\n", tu);
+		ath_print(ath9k_hw_common(ah), ATH_DBG_XMIT,
+			  "bad global tx timeout %u\n", tu);
 		ah->globaltxtimeout = (u32) -1;
 		return false;
 	} else {
@@ -1174,8 +1183,8 @@ static bool ath9k_hw_set_global_txtimeout(struct ath_hw *ah, u32 tu)
 
 static void ath9k_hw_init_user_settings(struct ath_hw *ah)
 {
-	DPRINTF(ah, ATH_DBG_RESET, "ah->misc_mode 0x%x\n",
-		ah->misc_mode);
+	ath_print(ath9k_hw_common(ah), ATH_DBG_RESET, "ah->misc_mode 0x%x\n",
+		  ah->misc_mode);
 
 	if (ah->misc_mode != 0)
 		REG_WRITE(ah, AR_PCU_MISC,
@@ -1267,28 +1276,29 @@ static u32 ath9k_hw_def_ini_fixup(struct ath_hw *ah,
 			      u32 reg, u32 value)
 {
 	struct base_eep_header *pBase = &(pEepData->baseEepHeader);
+	struct ath_common *common = ath9k_hw_common(ah);
 
 	switch (ah->hw_version.devid) {
 	case AR9280_DEVID_PCI:
 		if (reg == 0x7894) {
-			DPRINTF(ah, ATH_DBG_EEPROM,
+			ath_print(common, ATH_DBG_EEPROM,
 				"ini VAL: %x  EEPROM: %x\n", value,
 				(pBase->version & 0xff));
 
 			if ((pBase->version & 0xff) > 0x0a) {
-				DPRINTF(ah, ATH_DBG_EEPROM,
-					"PWDCLKIND: %d\n",
-					pBase->pwdclkind);
+				ath_print(common, ATH_DBG_EEPROM,
+					  "PWDCLKIND: %d\n",
+					  pBase->pwdclkind);
 				value &= ~AR_AN_TOP2_PWDCLKIND;
 				value |= AR_AN_TOP2_PWDCLKIND &
 					(pBase->pwdclkind << AR_AN_TOP2_PWDCLKIND_S);
 			} else {
-				DPRINTF(ah, ATH_DBG_EEPROM,
-					"PWDCLKIND Earlier Rev\n");
+				ath_print(common, ATH_DBG_EEPROM,
+					  "PWDCLKIND Earlier Rev\n");
 			}
 
-			DPRINTF(ah, ATH_DBG_EEPROM,
-				"final ini VAL: %x\n", value);
+			ath_print(common, ATH_DBG_EEPROM,
+				  "final ini VAL: %x\n", value);
 		}
 		break;
 	}
@@ -1460,8 +1470,8 @@ static int ath9k_hw_process_ini(struct ath_hw *ah,
 				 (u32) regulatory->power_limit));
 
 	if (!ath9k_hw_set_rf_regs(ah, chan, freqIndex)) {
-		DPRINTF(ah, ATH_DBG_FATAL,
-			"ar5416SetRfRegs failed\n");
+		ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
+			  "ar5416SetRfRegs failed\n");
 		return -EIO;
 	}
 
@@ -1666,8 +1676,8 @@ static bool ath9k_hw_set_reset(struct ath_hw *ah, int type)
 
 	REG_WRITE(ah, AR_RTC_RC, 0);
 	if (!ath9k_hw_wait(ah, AR_RTC_RC, AR_RTC_RC_M, 0, AH_WAIT_TIMEOUT)) {
-		DPRINTF(ah, ATH_DBG_RESET,
-			"RTC stuck in MAC reset\n");
+		ath_print(ath9k_hw_common(ah), ATH_DBG_RESET,
+			  "RTC stuck in MAC reset\n");
 		return false;
 	}
 
@@ -1703,7 +1713,8 @@ static bool ath9k_hw_set_reset_power_on(struct ath_hw *ah)
 			   AR_RTC_STATUS_M,
 			   AR_RTC_STATUS_ON,
 			   AH_WAIT_TIMEOUT)) {
-		DPRINTF(ah, ATH_DBG_RESET, "RTC not waking up\n");
+		ath_print(ath9k_hw_common(ah), ATH_DBG_RESET,
+			  "RTC not waking up\n");
 		return false;
 	}
 
@@ -1783,13 +1794,15 @@ static bool ath9k_hw_channel_change(struct ath_hw *ah,
 				    enum ath9k_ht_macmode macmode)
 {
 	struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
+	struct ath_common *common = ath9k_hw_common(ah);
 	struct ieee80211_channel *channel = chan->chan;
 	u32 synthDelay, qnum;
 
 	for (qnum = 0; qnum < AR_NUM_QCU; qnum++) {
 		if (ath9k_hw_numtxpending(ah, qnum)) {
-			DPRINTF(ah, ATH_DBG_QUEUE,
-				"Transmit frames pending on queue %d\n", qnum);
+			ath_print(common, ATH_DBG_QUEUE,
+				  "Transmit frames pending on "
+				  "queue %d\n", qnum);
 			return false;
 		}
 	}
@@ -1797,8 +1810,8 @@ static bool ath9k_hw_channel_change(struct ath_hw *ah,
 	REG_WRITE(ah, AR_PHY_RFBUS_REQ, AR_PHY_RFBUS_REQ_EN);
 	if (!ath9k_hw_wait(ah, AR_PHY_RFBUS_GRANT, AR_PHY_RFBUS_GRANT_EN,
 			   AR_PHY_RFBUS_GRANT_EN, AH_WAIT_TIMEOUT)) {
-		DPRINTF(ah, ATH_DBG_FATAL,
-			"Could not kill baseband RX\n");
+		ath_print(common, ATH_DBG_FATAL,
+			  "Could not kill baseband RX\n");
 		return false;
 	}
 
@@ -1808,8 +1821,8 @@ static bool ath9k_hw_channel_change(struct ath_hw *ah,
 		ath9k_hw_ar9280_set_channel(ah, chan);
 	} else {
 		if (!(ath9k_hw_set_channel(ah, chan))) {
-			DPRINTF(ah, ATH_DBG_FATAL,
-				"Failed to set channel\n");
+			ath_print(common, ATH_DBG_FATAL,
+				  "Failed to set channel\n");
 			return false;
 		}
 	}
@@ -2370,7 +2383,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 	}
 
 	if (!ath9k_hw_chip_reset(ah, chan)) {
-		DPRINTF(ah, ATH_DBG_FATAL, "Chip reset failed\n");
+		ath_print(common, ATH_DBG_FATAL, "Chip reset failed\n");
 		return -EINVAL;
 	}
 
@@ -2525,13 +2538,13 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 		u32 mask;
 		mask = REG_READ(ah, AR_CFG);
 		if (mask & (AR_CFG_SWRB | AR_CFG_SWTB | AR_CFG_SWRG)) {
-			DPRINTF(ah, ATH_DBG_RESET,
+			ath_print(common, ATH_DBG_RESET,
 				"CFG Byte Swap Set 0x%x\n", mask);
 		} else {
 			mask =
 				INIT_CONFIG_STATUS | AR_CFG_SWRB | AR_CFG_SWTB;
 			REG_WRITE(ah, AR_CFG, mask);
-			DPRINTF(ah, ATH_DBG_RESET,
+			ath_print(common, ATH_DBG_RESET,
 				"Setting CFG 0x%x\n", REG_READ(ah, AR_CFG));
 		}
 	} else {
@@ -2559,8 +2572,8 @@ bool ath9k_hw_keyreset(struct ath_hw *ah, u16 entry)
 	u32 keyType;
 
 	if (entry >= ah->caps.keycache_size) {
-		DPRINTF(ah, ATH_DBG_FATAL,
-			"keychache entry %u out of range\n", entry);
+		ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
+			  "keychache entry %u out of range\n", entry);
 		return false;
 	}
 
@@ -2593,8 +2606,8 @@ bool ath9k_hw_keysetmac(struct ath_hw *ah, u16 entry, const u8 *mac)
 	u32 macHi, macLo;
 
 	if (entry >= ah->caps.keycache_size) {
-		DPRINTF(ah, ATH_DBG_FATAL,
-			"keychache entry %u out of range\n", entry);
+		ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
+			  "keychache entry %u out of range\n", entry);
 		return false;
 	}
 
@@ -2621,12 +2634,13 @@ bool ath9k_hw_set_keycache_entry(struct ath_hw *ah, u16 entry,
 				 const u8 *mac)
 {
 	const struct ath9k_hw_capabilities *pCap = &ah->caps;
+	struct ath_common *common = ath9k_hw_common(ah);
 	u32 key0, key1, key2, key3, key4;
 	u32 keyType;
 
 	if (entry >= pCap->keycache_size) {
-		DPRINTF(ah, ATH_DBG_FATAL,
-			"keycache entry %u out of range\n", entry);
+		ath_print(common, ATH_DBG_FATAL,
+			  "keycache entry %u out of range\n", entry);
 		return false;
 	}
 
@@ -2636,9 +2650,9 @@ bool ath9k_hw_set_keycache_entry(struct ath_hw *ah, u16 entry,
 		break;
 	case ATH9K_CIPHER_AES_CCM:
 		if (!(pCap->hw_caps & ATH9K_HW_CAP_CIPHER_AESCCM)) {
-			DPRINTF(ah, ATH_DBG_ANY,
-				"AES-CCM not supported by mac rev 0x%x\n",
-				ah->hw_version.macRev);
+			ath_print(common, ATH_DBG_ANY,
+				  "AES-CCM not supported by mac rev 0x%x\n",
+				  ah->hw_version.macRev);
 			return false;
 		}
 		keyType = AR_KEYTABLE_TYPE_CCM;
@@ -2647,15 +2661,15 @@ bool ath9k_hw_set_keycache_entry(struct ath_hw *ah, u16 entry,
 		keyType = AR_KEYTABLE_TYPE_TKIP;
 		if (ATH9K_IS_MIC_ENABLED(ah)
 		    && entry + 64 >= pCap->keycache_size) {
-			DPRINTF(ah, ATH_DBG_ANY,
-				"entry %u inappropriate for TKIP\n", entry);
+			ath_print(common, ATH_DBG_ANY,
+				  "entry %u inappropriate for TKIP\n", entry);
 			return false;
 		}
 		break;
 	case ATH9K_CIPHER_WEP:
 		if (k->kv_len < WLAN_KEY_LEN_WEP40) {
-			DPRINTF(ah, ATH_DBG_ANY,
-				"WEP key length %u too small\n", k->kv_len);
+			ath_print(common, ATH_DBG_ANY,
+				  "WEP key length %u too small\n", k->kv_len);
 			return false;
 		}
 		if (k->kv_len <= WLAN_KEY_LEN_WEP40)
@@ -2669,8 +2683,8 @@ bool ath9k_hw_set_keycache_entry(struct ath_hw *ah, u16 entry,
 		keyType = AR_KEYTABLE_TYPE_CLR;
 		break;
 	default:
-		DPRINTF(ah, ATH_DBG_FATAL,
-			"cipher %u not supported\n", k->kv_type);
+		ath_print(common, ATH_DBG_FATAL,
+			  "cipher %u not supported\n", k->kv_type);
 		return false;
 	}
 
@@ -2887,8 +2901,9 @@ static bool ath9k_hw_set_power_awake(struct ath_hw *ah, int setChip)
 				    AR_RTC_FORCE_WAKE_EN);
 		}
 		if (i == 0) {
-			DPRINTF(ah, ATH_DBG_FATAL,
-				"Failed to wakeup in %uus\n", POWER_UP_TIME / 20);
+			ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
+				  "Failed to wakeup in %uus\n",
+				  POWER_UP_TIME / 20);
 			return false;
 		}
 	}
@@ -2900,6 +2915,7 @@ static bool ath9k_hw_set_power_awake(struct ath_hw *ah, int setChip)
 
 bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode)
 {
+	struct ath_common *common = ath9k_hw_common(ah);
 	int status = true, setChip = true;
 	static const char *modes[] = {
 		"AWAKE",
@@ -2911,8 +2927,8 @@ bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode)
 	if (ah->power_mode == mode)
 		return status;
 
-	DPRINTF(ah, ATH_DBG_RESET, "%s -> %s\n",
-		modes[ah->power_mode], modes[mode]);
+	ath_print(common, ATH_DBG_RESET, "%s -> %s\n",
+		  modes[ah->power_mode], modes[mode]);
 
 	switch (mode) {
 	case ATH9K_PM_AWAKE:
@@ -2926,8 +2942,8 @@ bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode)
 		ath9k_set_power_network_sleep(ah, setChip);
 		break;
 	default:
-		DPRINTF(ah, ATH_DBG_FATAL,
-			"Unknown power mode %u\n", mode);
+		ath_print(common, ATH_DBG_FATAL,
+			  "Unknown power mode %u\n", mode);
 		return false;
 	}
 	ah->power_mode = mode;
@@ -3097,6 +3113,7 @@ bool ath9k_hw_getisr(struct ath_hw *ah, enum ath9k_int *masked)
 	struct ath9k_hw_capabilities *pCap = &ah->caps;
 	u32 sync_cause = 0;
 	bool fatal_int = false;
+	struct ath_common *common = ath9k_hw_common(ah);
 
 	if (!AR_SREV_9100(ah)) {
 		if (REG_READ(ah, AR_INTR_ASYNC_CAUSE) & AR_INTR_MAC_IRQ) {
@@ -3170,8 +3187,8 @@ bool ath9k_hw_getisr(struct ath_hw *ah, enum ath9k_int *masked)
 		}
 
 		if (isr & AR_ISR_RXORN) {
-			DPRINTF(ah, ATH_DBG_INTERRUPT,
-				"receive FIFO overrun interrupt\n");
+			ath_print(common, ATH_DBG_INTERRUPT,
+				  "receive FIFO overrun interrupt\n");
 		}
 
 		if (!AR_SREV_9100(ah)) {
@@ -3213,25 +3230,25 @@ bool ath9k_hw_getisr(struct ath_hw *ah, enum ath9k_int *masked)
 
 		if (fatal_int) {
 			if (sync_cause & AR_INTR_SYNC_HOST1_FATAL) {
-				DPRINTF(ah, ATH_DBG_ANY,
-					"received PCI FATAL interrupt\n");
+				ath_print(common, ATH_DBG_ANY,
+					  "received PCI FATAL interrupt\n");
 			}
 			if (sync_cause & AR_INTR_SYNC_HOST1_PERR) {
-				DPRINTF(ah, ATH_DBG_ANY,
-					"received PCI PERR interrupt\n");
+				ath_print(common, ATH_DBG_ANY,
+					  "received PCI PERR interrupt\n");
 			}
 			*masked |= ATH9K_INT_FATAL;
 		}
 		if (sync_cause & AR_INTR_SYNC_RADM_CPL_TIMEOUT) {
-			DPRINTF(ah, ATH_DBG_INTERRUPT,
-				"AR_INTR_SYNC_RADM_CPL_TIMEOUT\n");
+			ath_print(common, ATH_DBG_INTERRUPT,
+				  "AR_INTR_SYNC_RADM_CPL_TIMEOUT\n");
 			REG_WRITE(ah, AR_RC, AR_RC_HOSTIF);
 			REG_WRITE(ah, AR_RC, 0);
 			*masked |= ATH9K_INT_FATAL;
 		}
 		if (sync_cause & AR_INTR_SYNC_LOCAL_TIMEOUT) {
-			DPRINTF(ah, ATH_DBG_INTERRUPT,
-				"AR_INTR_SYNC_LOCAL_TIMEOUT\n");
+			ath_print(common, ATH_DBG_INTERRUPT,
+				  "AR_INTR_SYNC_LOCAL_TIMEOUT\n");
 		}
 
 		REG_WRITE(ah, AR_INTR_SYNC_CAUSE_CLR, sync_cause);
@@ -3246,11 +3263,12 @@ enum ath9k_int ath9k_hw_set_interrupts(struct ath_hw *ah, enum ath9k_int ints)
 	u32 omask = ah->mask_reg;
 	u32 mask, mask2;
 	struct ath9k_hw_capabilities *pCap = &ah->caps;
+	struct ath_common *common = ath9k_hw_common(ah);
 
-	DPRINTF(ah, ATH_DBG_INTERRUPT, "0x%x => 0x%x\n", omask, ints);
+	ath_print(common, ATH_DBG_INTERRUPT, "0x%x => 0x%x\n", omask, ints);
 
 	if (omask & ATH9K_INT_GLOBAL) {
-		DPRINTF(ah, ATH_DBG_INTERRUPT, "disable IER\n");
+		ath_print(common, ATH_DBG_INTERRUPT, "disable IER\n");
 		REG_WRITE(ah, AR_IER, AR_IER_DISABLE);
 		(void) REG_READ(ah, AR_IER);
 		if (!AR_SREV_9100(ah)) {
@@ -3307,7 +3325,7 @@ enum ath9k_int ath9k_hw_set_interrupts(struct ath_hw *ah, enum ath9k_int ints)
 			mask2 |= AR_IMR_S2_CST;
 	}
 
-	DPRINTF(ah, ATH_DBG_INTERRUPT, "new IMR 0x%x\n", mask);
+	ath_print(common, ATH_DBG_INTERRUPT, "new IMR 0x%x\n", mask);
 	REG_WRITE(ah, AR_IMR, mask);
 	mask = REG_READ(ah, AR_IMR_S2) & ~(AR_IMR_S2_TIM |
 					   AR_IMR_S2_DTIM |
@@ -3327,7 +3345,7 @@ enum ath9k_int ath9k_hw_set_interrupts(struct ath_hw *ah, enum ath9k_int ints)
 	}
 
 	if (ints & ATH9K_INT_GLOBAL) {
-		DPRINTF(ah, ATH_DBG_INTERRUPT, "enable IER\n");
+		ath_print(common, ATH_DBG_INTERRUPT, "enable IER\n");
 		REG_WRITE(ah, AR_IER, AR_IER_ENABLE);
 		if (!AR_SREV_9100(ah)) {
 			REG_WRITE(ah, AR_INTR_ASYNC_ENABLE,
@@ -3340,8 +3358,8 @@ enum ath9k_int ath9k_hw_set_interrupts(struct ath_hw *ah, enum ath9k_int ints)
 			REG_WRITE(ah, AR_INTR_SYNC_MASK,
 				  AR_INTR_SYNC_DEFAULT);
 		}
-		DPRINTF(ah, ATH_DBG_INTERRUPT, "AR_IMR 0x%x IER 0x%x\n",
-			 REG_READ(ah, AR_IMR), REG_READ(ah, AR_IER));
+		ath_print(common, ATH_DBG_INTERRUPT, "AR_IMR 0x%x IER 0x%x\n",
+			  REG_READ(ah, AR_IMR), REG_READ(ah, AR_IER));
 	}
 
 	return omask;
@@ -3388,9 +3406,9 @@ void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period)
 			AR_TBTT_TIMER_EN | AR_DBA_TIMER_EN | AR_SWBA_TIMER_EN;
 		break;
 	default:
-		DPRINTF(ah, ATH_DBG_BEACON,
-			"%s: unsupported opmode: %d\n",
-			__func__, ah->opmode);
+		ath_print(ath9k_hw_common(ah), ATH_DBG_BEACON,
+			  "%s: unsupported opmode: %d\n",
+			  __func__, ah->opmode);
 		return;
 		break;
 	}
@@ -3414,6 +3432,7 @@ void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,
 {
 	u32 nextTbtt, beaconintval, dtimperiod, beacontimeout;
 	struct ath9k_hw_capabilities *pCap = &ah->caps;
+	struct ath_common *common = ath9k_hw_common(ah);
 
 	REG_WRITE(ah, AR_NEXT_TBTT_TIMER, TU_TO_USEC(bs->bs_nexttbtt));
 
@@ -3439,10 +3458,10 @@ void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,
 	else
 		nextTbtt = bs->bs_nexttbtt;
 
-	DPRINTF(ah, ATH_DBG_BEACON, "next DTIM %d\n", bs->bs_nextdtim);
-	DPRINTF(ah, ATH_DBG_BEACON, "next beacon %d\n", nextTbtt);
-	DPRINTF(ah, ATH_DBG_BEACON, "beacon period %d\n", beaconintval);
-	DPRINTF(ah, ATH_DBG_BEACON, "DTIM period %d\n", dtimperiod);
+	ath_print(common, ATH_DBG_BEACON, "next DTIM %d\n", bs->bs_nextdtim);
+	ath_print(common, ATH_DBG_BEACON, "next beacon %d\n", nextTbtt);
+	ath_print(common, ATH_DBG_BEACON, "beacon period %d\n", beaconintval);
+	ath_print(common, ATH_DBG_BEACON, "DTIM period %d\n", dtimperiod);
 
 	REG_WRITE(ah, AR_NEXT_DTIM,
 		  TU_TO_USEC(bs->bs_nextdtim - SLEEP_SLOP));
@@ -3479,6 +3498,7 @@ void ath9k_hw_fill_cap_info(struct ath_hw *ah)
 {
 	struct ath9k_hw_capabilities *pCap = &ah->caps;
 	struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
+	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
 
 	u16 capField = 0, eeval;
@@ -3500,8 +3520,8 @@ void ath9k_hw_fill_cap_info(struct ath_hw *ah)
 			regulatory->current_rd += 5;
 		else if (regulatory->current_rd == 0x41)
 			regulatory->current_rd = 0x43;
-		DPRINTF(ah, ATH_DBG_REGULATORY,
-			"regdomain mapped to 0x%x\n", regulatory->current_rd);
+		ath_print(common, ATH_DBG_REGULATORY,
+			  "regdomain mapped to 0x%x\n", regulatory->current_rd);
 	}
 
 	eeval = ah->eep_ops->get_eeprom(ah, EEP_OP_MODE);
@@ -4019,8 +4039,8 @@ void ath9k_hw_reset_tsf(struct ath_hw *ah)
 {
 	if (!ath9k_hw_wait(ah, AR_SLP32_MODE, AR_SLP32_TSF_WRITE_STATUS, 0,
 			   AH_TSF_WRITE_TIMEOUT))
-		DPRINTF(ah, ATH_DBG_RESET,
-			"AR_SLP32_TSF_WRITE_STATUS limit exceeded\n");
+		ath_print(ath9k_hw_common(ah), ATH_DBG_RESET,
+			  "AR_SLP32_TSF_WRITE_STATUS limit exceeded\n");
 
 	REG_WRITE(ah, AR_RESET_TSF, AR_RESET_TSF_ONCE);
 }
@@ -4036,7 +4056,8 @@ void ath9k_hw_set_tsfadjust(struct ath_hw *ah, u32 setting)
 bool ath9k_hw_setslottime(struct ath_hw *ah, u32 us)
 {
 	if (us < ATH9K_SLOT_TIME_9 || us > ath9k_hw_mac_to_usec(ah, 0xffff)) {
-		DPRINTF(ah, ATH_DBG_RESET, "bad slot time %u\n", us);
+		ath_print(ath9k_hw_common(ah), ATH_DBG_RESET,
+			  "bad slot time %u\n", us);
 		ah->slottime = (u32) -1;
 		return false;
 	} else {
@@ -4121,8 +4142,9 @@ struct ath_gen_timer *ath_gen_timer_alloc(struct ath_hw *ah,
 	timer = kzalloc(sizeof(struct ath_gen_timer), GFP_KERNEL);
 
 	if (timer == NULL) {
-		printk(KERN_DEBUG "Failed to allocate memory"
-		       "for hw timer[%d]\n", timer_index);
+		ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
+			  "Failed to allocate memory"
+			  "for hw timer[%d]\n", timer_index);
 		return NULL;
 	}
 
@@ -4150,8 +4172,9 @@ void ath9k_hw_gen_timer_start(struct ath_hw *ah,
 
 	tsf = ath9k_hw_gettsf32(ah);
 
-	DPRINTF(ah, ATH_DBG_HWTIMER, "curent tsf %x period %x"
-		"timer_next %x\n", tsf, timer_period, timer_next);
+	ath_print(ath9k_hw_common(ah), ATH_DBG_HWTIMER,
+		  "curent tsf %x period %x"
+		  "timer_next %x\n", tsf, timer_period, timer_next);
 
 	/*
 	 * Pull timer_next forward if the current TSF already passed it
@@ -4213,6 +4236,7 @@ void ath_gen_timer_isr(struct ath_hw *ah)
 {
 	struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers;
 	struct ath_gen_timer *timer;
+	struct ath_common *common = ath9k_hw_common(ah);
 	u32 trigger_mask, thresh_mask, index;
 
 	/* get hardware generic timer interrupt status */
@@ -4227,8 +4251,8 @@ void ath_gen_timer_isr(struct ath_hw *ah)
 		index = rightmost_index(timer_table, &thresh_mask);
 		timer = timer_table->timers[index];
 		BUG_ON(!timer);
-		DPRINTF(ah, ATH_DBG_HWTIMER,
-			"TSF overflow for Gen timer %d\n", index);
+		ath_print(common, ATH_DBG_HWTIMER,
+			  "TSF overflow for Gen timer %d\n", index);
 		timer->overflow(timer->arg);
 	}
 
@@ -4236,8 +4260,8 @@ void ath_gen_timer_isr(struct ath_hw *ah)
 		index = rightmost_index(timer_table, &trigger_mask);
 		timer = timer_table->timers[index];
 		BUG_ON(!timer);
-		DPRINTF(ah, ATH_DBG_HWTIMER,
-			"Gen timer[%d] trigger\n", index);
+		ath_print(common, ATH_DBG_HWTIMER,
+			  "Gen timer[%d] trigger\n", index);
 		timer->trigger(timer->arg);
 	}
 }
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 32401742751..1c73f81a595 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -30,6 +30,7 @@
 #include "btcoex.h"
 
 #include "../regd.h"
+#include "../debug.h"
 
 #define ATHEROS_VENDOR_ID	0x168c
 #define AR5416_DEVID_PCI	0x0023
diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c
index b4d2f207857..926f201ce4f 100644
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -15,15 +15,16 @@
  */
 
 #include "ath9k.h"
+#include "hw.h"
 
 static void ath9k_hw_set_txq_interrupts(struct ath_hw *ah,
 					struct ath9k_tx_queue_info *qi)
 {
-	DPRINTF(ah, ATH_DBG_INTERRUPT,
-		"tx ok 0x%x err 0x%x desc 0x%x eol 0x%x urn 0x%x\n",
-		ah->txok_interrupt_mask, ah->txerr_interrupt_mask,
-		ah->txdesc_interrupt_mask, ah->txeol_interrupt_mask,
-		ah->txurn_interrupt_mask);
+	ath_print(ath9k_hw_common(ah), ATH_DBG_INTERRUPT,
+		  "tx ok 0x%x err 0x%x desc 0x%x eol 0x%x urn 0x%x\n",
+		  ah->txok_interrupt_mask, ah->txerr_interrupt_mask,
+		  ah->txdesc_interrupt_mask, ah->txeol_interrupt_mask,
+		  ah->txurn_interrupt_mask);
 
 	REG_WRITE(ah, AR_IMR_S0,
 		  SM(ah->txok_interrupt_mask, AR_IMR_S0_QCU_TXOK)
@@ -47,7 +48,8 @@ void ath9k_hw_puttxbuf(struct ath_hw *ah, u32 q, u32 txdp)
 
 void ath9k_hw_txstart(struct ath_hw *ah, u32 q)
 {
-	DPRINTF(ah, ATH_DBG_QUEUE, "Enable TXE on queue: %u\n", q);
+	ath_print(ath9k_hw_common(ah), ATH_DBG_QUEUE,
+		  "Enable TXE on queue: %u\n", q);
 	REG_WRITE(ah, AR_Q_TXE, 1 << q);
 }
 
@@ -98,22 +100,22 @@ bool ath9k_hw_stoptxdma(struct ath_hw *ah, u32 q)
 {
 #define ATH9K_TX_STOP_DMA_TIMEOUT	4000    /* usec */
 #define ATH9K_TIME_QUANTUM		100     /* usec */
-
+	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath9k_hw_capabilities *pCap = &ah->caps;
 	struct ath9k_tx_queue_info *qi;
 	u32 tsfLow, j, wait;
 	u32 wait_time = ATH9K_TX_STOP_DMA_TIMEOUT / ATH9K_TIME_QUANTUM;
 
 	if (q >= pCap->total_queues) {
-		DPRINTF(ah, ATH_DBG_QUEUE, "Stopping TX DMA, "
-			"invalid queue: %u\n", q);
+		ath_print(common, ATH_DBG_QUEUE, "Stopping TX DMA, "
+			  "invalid queue: %u\n", q);
 		return false;
 	}
 
 	qi = &ah->txq[q];
 	if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) {
-		DPRINTF(ah, ATH_DBG_QUEUE, "Stopping TX DMA, "
-			"inactive queue: %u\n", q);
+		ath_print(common, ATH_DBG_QUEUE, "Stopping TX DMA, "
+			  "inactive queue: %u\n", q);
 		return false;
 	}
 
@@ -126,9 +128,9 @@ bool ath9k_hw_stoptxdma(struct ath_hw *ah, u32 q)
 	}
 
 	if (ath9k_hw_numtxpending(ah, q)) {
-		DPRINTF(ah, ATH_DBG_QUEUE,
-			"%s: Num of pending TX Frames %d on Q %d\n",
-			__func__, ath9k_hw_numtxpending(ah, q), q);
+		ath_print(common, ATH_DBG_QUEUE,
+			  "%s: Num of pending TX Frames %d on Q %d\n",
+			  __func__, ath9k_hw_numtxpending(ah, q), q);
 
 		for (j = 0; j < 2; j++) {
 			tsfLow = REG_READ(ah, AR_TSF_L32);
@@ -142,9 +144,9 @@ bool ath9k_hw_stoptxdma(struct ath_hw *ah, u32 q)
 			if ((REG_READ(ah, AR_TSF_L32) >> 10) == (tsfLow >> 10))
 				break;
 
-			DPRINTF(ah, ATH_DBG_QUEUE,
-				"TSF has moved while trying to set "
-				"quiet time TSF: 0x%08x\n", tsfLow);
+			ath_print(common, ATH_DBG_QUEUE,
+				  "TSF has moved while trying to set "
+				  "quiet time TSF: 0x%08x\n", tsfLow);
 		}
 
 		REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_FORCE_CH_IDLE_HIGH);
@@ -155,9 +157,9 @@ bool ath9k_hw_stoptxdma(struct ath_hw *ah, u32 q)
 		wait = wait_time;
 		while (ath9k_hw_numtxpending(ah, q)) {
 			if ((--wait) == 0) {
-				DPRINTF(ah, ATH_DBG_QUEUE,
-					"Failed to stop TX DMA in 100 "
-					"msec after killing last frame\n");
+				ath_print(common, ATH_DBG_QUEUE,
+					  "Failed to stop TX DMA in 100 "
+					  "msec after killing last frame\n");
 				break;
 			}
 			udelay(ATH9K_TIME_QUANTUM);
@@ -445,23 +447,24 @@ bool ath9k_hw_set_txq_props(struct ath_hw *ah, int q,
 			    const struct ath9k_tx_queue_info *qinfo)
 {
 	u32 cw;
+	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath9k_hw_capabilities *pCap = &ah->caps;
 	struct ath9k_tx_queue_info *qi;
 
 	if (q >= pCap->total_queues) {
-		DPRINTF(ah, ATH_DBG_QUEUE, "Set TXQ properties, "
-			"invalid queue: %u\n", q);
+		ath_print(common, ATH_DBG_QUEUE, "Set TXQ properties, "
+			  "invalid queue: %u\n", q);
 		return false;
 	}
 
 	qi = &ah->txq[q];
 	if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) {
-		DPRINTF(ah, ATH_DBG_QUEUE, "Set TXQ properties, "
-			"inactive queue: %u\n", q);
+		ath_print(common, ATH_DBG_QUEUE, "Set TXQ properties, "
+			  "inactive queue: %u\n", q);
 		return false;
 	}
 
-	DPRINTF(ah, ATH_DBG_QUEUE, "Set queue properties for: %u\n", q);
+	ath_print(common, ATH_DBG_QUEUE, "Set queue properties for: %u\n", q);
 
 	qi->tqi_ver = qinfo->tqi_ver;
 	qi->tqi_subtype = qinfo->tqi_subtype;
@@ -514,19 +517,20 @@ bool ath9k_hw_set_txq_props(struct ath_hw *ah, int q,
 bool ath9k_hw_get_txq_props(struct ath_hw *ah, int q,
 			    struct ath9k_tx_queue_info *qinfo)
 {
+	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath9k_hw_capabilities *pCap = &ah->caps;
 	struct ath9k_tx_queue_info *qi;
 
 	if (q >= pCap->total_queues) {
-		DPRINTF(ah, ATH_DBG_QUEUE, "Get TXQ properties, "
-			"invalid queue: %u\n", q);
+		ath_print(common, ATH_DBG_QUEUE, "Get TXQ properties, "
+			  "invalid queue: %u\n", q);
 		return false;
 	}
 
 	qi = &ah->txq[q];
 	if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) {
-		DPRINTF(ah, ATH_DBG_QUEUE, "Get TXQ properties, "
-			"inactive queue: %u\n", q);
+		ath_print(common, ATH_DBG_QUEUE, "Get TXQ properties, "
+			  "inactive queue: %u\n", q);
 		return false;
 	}
 
@@ -551,6 +555,7 @@ bool ath9k_hw_get_txq_props(struct ath_hw *ah, int q,
 int ath9k_hw_setuptxqueue(struct ath_hw *ah, enum ath9k_tx_queue type,
 			  const struct ath9k_tx_queue_info *qinfo)
 {
+	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath9k_tx_queue_info *qi;
 	struct ath9k_hw_capabilities *pCap = &ah->caps;
 	int q;
@@ -574,23 +579,23 @@ int ath9k_hw_setuptxqueue(struct ath_hw *ah, enum ath9k_tx_queue type,
 			    ATH9K_TX_QUEUE_INACTIVE)
 				break;
 		if (q == pCap->total_queues) {
-			DPRINTF(ah, ATH_DBG_FATAL,
-				"No available TX queue\n");
+			ath_print(common, ATH_DBG_FATAL,
+				  "No available TX queue\n");
 			return -1;
 		}
 		break;
 	default:
-		DPRINTF(ah, ATH_DBG_FATAL, "Invalid TX queue type: %u\n",
-			type);
+		ath_print(common, ATH_DBG_FATAL,
+			  "Invalid TX queue type: %u\n", type);
 		return -1;
 	}
 
-	DPRINTF(ah, ATH_DBG_QUEUE, "Setup TX queue: %u\n", q);
+	ath_print(common, ATH_DBG_QUEUE, "Setup TX queue: %u\n", q);
 
 	qi = &ah->txq[q];
 	if (qi->tqi_type != ATH9K_TX_QUEUE_INACTIVE) {
-		DPRINTF(ah, ATH_DBG_FATAL,
-			"TX queue: %u already active\n", q);
+		ath_print(common, ATH_DBG_FATAL,
+			  "TX queue: %u already active\n", q);
 		return -1;
 	}
 	memset(qi, 0, sizeof(struct ath9k_tx_queue_info));
@@ -617,21 +622,22 @@ int ath9k_hw_setuptxqueue(struct ath_hw *ah, enum ath9k_tx_queue type,
 bool ath9k_hw_releasetxqueue(struct ath_hw *ah, u32 q)
 {
 	struct ath9k_hw_capabilities *pCap = &ah->caps;
+	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath9k_tx_queue_info *qi;
 
 	if (q >= pCap->total_queues) {
-		DPRINTF(ah, ATH_DBG_QUEUE, "Release TXQ, "
-			"invalid queue: %u\n", q);
+		ath_print(common, ATH_DBG_QUEUE, "Release TXQ, "
+			  "invalid queue: %u\n", q);
 		return false;
 	}
 	qi = &ah->txq[q];
 	if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) {
-		DPRINTF(ah, ATH_DBG_QUEUE, "Release TXQ, "
-			"inactive queue: %u\n", q);
+		ath_print(common, ATH_DBG_QUEUE, "Release TXQ, "
+			  "inactive queue: %u\n", q);
 		return false;
 	}
 
-	DPRINTF(ah, ATH_DBG_QUEUE, "Release TX queue: %u\n", q);
+	ath_print(common, ATH_DBG_QUEUE, "Release TX queue: %u\n", q);
 
 	qi->tqi_type = ATH9K_TX_QUEUE_INACTIVE;
 	ah->txok_interrupt_mask &= ~(1 << q);
@@ -647,24 +653,25 @@ bool ath9k_hw_releasetxqueue(struct ath_hw *ah, u32 q)
 bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q)
 {
 	struct ath9k_hw_capabilities *pCap = &ah->caps;
+	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath9k_channel *chan = ah->curchan;
 	struct ath9k_tx_queue_info *qi;
 	u32 cwMin, chanCwMin, value;
 
 	if (q >= pCap->total_queues) {
-		DPRINTF(ah, ATH_DBG_QUEUE, "Reset TXQ, "
-			"invalid queue: %u\n", q);
+		ath_print(common, ATH_DBG_QUEUE, "Reset TXQ, "
+			  "invalid queue: %u\n", q);
 		return false;
 	}
 
 	qi = &ah->txq[q];
 	if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) {
-		DPRINTF(ah, ATH_DBG_QUEUE, "Reset TXQ, "
-			"inactive queue: %u\n", q);
+		ath_print(common, ATH_DBG_QUEUE, "Reset TXQ, "
+			  "inactive queue: %u\n", q);
 		return true;
 	}
 
-	DPRINTF(ah, ATH_DBG_QUEUE, "Reset TX queue: %u\n", q);
+	ath_print(common, ATH_DBG_QUEUE, "Reset TX queue: %u\n", q);
 
 	if (qi->tqi_cwmin == ATH9K_TXQ_USEDEFAULT) {
 		if (chan && IS_CHAN_B(chan))
@@ -911,8 +918,9 @@ bool ath9k_hw_setrxabort(struct ath_hw *ah, bool set)
 				     AR_DIAG_RX_ABORT));
 
 			reg = REG_READ(ah, AR_OBS_BUS_1);
-			DPRINTF(ah, ATH_DBG_FATAL,
-				"RX failed to go idle in 10 ms RXSM=0x%x\n", reg);
+			ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
+				  "RX failed to go idle in 10 ms RXSM=0x%x\n",
+				  reg);
 
 			return false;
 		}
@@ -954,7 +962,7 @@ bool ath9k_hw_stopdmarecv(struct ath_hw *ah)
 {
 #define AH_RX_STOP_DMA_TIMEOUT 10000   /* usec */
 #define AH_RX_TIME_QUANTUM     100     /* usec */
-
+	struct ath_common *common = ath9k_hw_common(ah);
 	int i;
 
 	REG_WRITE(ah, AR_CR, AR_CR_RXD);
@@ -967,12 +975,12 @@ bool ath9k_hw_stopdmarecv(struct ath_hw *ah)
 	}
 
 	if (i == 0) {
-		DPRINTF(ah, ATH_DBG_FATAL,
-			"DMA failed to stop in %d ms "
-			"AR_CR=0x%08x AR_DIAG_SW=0x%08x\n",
-			AH_RX_STOP_DMA_TIMEOUT / 1000,
-			REG_READ(ah, AR_CR),
-			REG_READ(ah, AR_DIAG_SW));
+		ath_print(common, ATH_DBG_FATAL,
+			  "DMA failed to stop in %d ms "
+			  "AR_CR=0x%08x AR_DIAG_SW=0x%08x\n",
+			  AH_RX_STOP_DMA_TIMEOUT / 1000,
+			  REG_READ(ah, AR_CR),
+			  REG_READ(ah, AR_DIAG_SW));
 		return false;
 	} else {
 		return true;
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 571a0d9c860..f409bbc3053 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -225,8 +225,9 @@ static void ath_setup_rates(struct ath_softc *sc, enum ieee80211_band band)
 		}
 		sband->n_bitrates++;
 
-		DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "Rate: %2dMbps, ratecode: %2d\n",
-			rate[i].bitrate / 10, rate[i].hw_value);
+		ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_CONFIG,
+			  "Rate: %2dMbps, ratecode: %2d\n",
+			  rate[i].bitrate / 10, rate[i].hw_value);
 	}
 }
 
@@ -297,6 +298,7 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
 		    struct ath9k_channel *hchan)
 {
 	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
 	bool fastcc = true, stopped;
 	struct ieee80211_channel *channel = hw->conf.channel;
 	int r;
@@ -326,19 +328,19 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
 	if (!stopped || (sc->sc_flags & SC_OP_FULL_RESET))
 		fastcc = false;
 
-	DPRINTF(sc->sc_ah, ATH_DBG_CONFIG,
-		"(%u MHz) -> (%u MHz), chanwidth: %d\n",
-		sc->sc_ah->curchan->channel,
-		channel->center_freq, sc->tx_chan_width);
+	ath_print(common, ATH_DBG_CONFIG,
+		  "(%u MHz) -> (%u MHz), chanwidth: %d\n",
+		  sc->sc_ah->curchan->channel,
+		  channel->center_freq, sc->tx_chan_width);
 
 	spin_lock_bh(&sc->sc_resetlock);
 
 	r = ath9k_hw_reset(ah, hchan, fastcc);
 	if (r) {
-		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
-			"Unable to reset channel (%u Mhz) "
-			"reset status %d\n",
-			channel->center_freq, r);
+		ath_print(common, ATH_DBG_FATAL,
+			  "Unable to reset channel (%u Mhz) "
+			  "reset status %d\n",
+			  channel->center_freq, r);
 		spin_unlock_bh(&sc->sc_resetlock);
 		goto ps_restore;
 	}
@@ -347,8 +349,8 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
 	sc->sc_flags &= ~SC_OP_FULL_RESET;
 
 	if (ath_startrecv(sc) != 0) {
-		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
-			"Unable to restart recv logic\n");
+		ath_print(common, ATH_DBG_FATAL,
+			  "Unable to restart recv logic\n");
 		r = -EIO;
 		goto ps_restore;
 	}
@@ -373,6 +375,7 @@ static void ath_ani_calibrate(unsigned long data)
 {
 	struct ath_softc *sc = (struct ath_softc *)data;
 	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
 	bool longcal = false;
 	bool shortcal = false;
 	bool aniflag = false;
@@ -399,7 +402,7 @@ static void ath_ani_calibrate(unsigned long data)
 	/* Long calibration runs independently of short calibration. */
 	if ((timestamp - sc->ani.longcal_timer) >= ATH_LONG_CALINTERVAL) {
 		longcal = true;
-		DPRINTF(sc->sc_ah, ATH_DBG_ANI, "longcal @%lu\n", jiffies);
+		ath_print(common, ATH_DBG_ANI, "longcal @%lu\n", jiffies);
 		sc->ani.longcal_timer = timestamp;
 	}
 
@@ -407,7 +410,8 @@ static void ath_ani_calibrate(unsigned long data)
 	if (!sc->ani.caldone) {
 		if ((timestamp - sc->ani.shortcal_timer) >= short_cal_interval) {
 			shortcal = true;
-			DPRINTF(sc->sc_ah, ATH_DBG_ANI, "shortcal @%lu\n", jiffies);
+			ath_print(common, ATH_DBG_ANI,
+				  "shortcal @%lu\n", jiffies);
 			sc->ani.shortcal_timer = timestamp;
 			sc->ani.resetcal_timer = timestamp;
 		}
@@ -441,9 +445,11 @@ static void ath_ani_calibrate(unsigned long data)
 				sc->ani.noise_floor = ath9k_hw_getchan_noise(ah,
 								     ah->curchan);
 
-			DPRINTF(sc->sc_ah, ATH_DBG_ANI," calibrate chan %u/%x nf: %d\n",
-				ah->curchan->channel, ah->curchan->channelFlags,
-				sc->ani.noise_floor);
+			ath_print(common, ATH_DBG_ANI,
+				  " calibrate chan %u/%x nf: %d\n",
+				  ah->curchan->channel,
+				  ah->curchan->channelFlags,
+				  sc->ani.noise_floor);
 		}
 	}
 
@@ -496,8 +502,9 @@ void ath_update_chainmask(struct ath_softc *sc, int is_ht)
 		sc->rx_chainmask = 1;
 	}
 
-	DPRINTF(ah, ATH_DBG_CONFIG, "tx chmask: %d, rx chmask: %d\n",
-		sc->tx_chainmask, sc->rx_chainmask);
+	ath_print(ath9k_hw_common(ah), ATH_DBG_CONFIG,
+		  "tx chmask: %d, rx chmask: %d\n",
+		  sc->tx_chainmask, sc->rx_chainmask);
 }
 
 static void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta)
@@ -527,6 +534,7 @@ static void ath9k_tasklet(unsigned long data)
 {
 	struct ath_softc *sc = (struct ath_softc *)data;
 	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
 
 	u32 status = sc->intrstatus;
 
@@ -552,7 +560,8 @@ static void ath9k_tasklet(unsigned long data)
 		 * TSF sync does not look correct; remain awake to sync with
 		 * the next Beacon.
 		 */
-		DPRINTF(ah, ATH_DBG_PS, "TSFOOR - Sync with next Beacon\n");
+		ath_print(common, ATH_DBG_PS,
+			  "TSFOOR - Sync with next Beacon\n");
 		sc->sc_flags |= SC_OP_WAIT_FOR_BEACON | SC_OP_BEACON_SYNC;
 	}
 
@@ -752,8 +761,8 @@ static int ath_setkey_tkip(struct ath_softc *sc, u16 keyix, const u8 *key,
 	memcpy(hk->kv_mic, key_txmic, sizeof(hk->kv_mic));
 	if (!ath9k_hw_set_keycache_entry(sc->sc_ah, keyix, hk, NULL)) {
 		/* TX MIC entry failed. No need to proceed further */
-		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
-			"Setting TX MIC Key Failed\n");
+		ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
+			  "Setting TX MIC Key Failed\n");
 		return 0;
 	}
 
@@ -957,8 +966,9 @@ static void setup_ht_cap(struct ath_softc *sc,
 	rx_streams = !(sc->rx_chainmask & (sc->rx_chainmask - 1)) ? 1 : 2;
 
 	if (tx_streams != rx_streams) {
-		DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "TX streams %d, RX streams: %d\n",
-			tx_streams, rx_streams);
+		ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_CONFIG,
+			  "TX streams %d, RX streams: %d\n",
+			  tx_streams, rx_streams);
 		ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF;
 		ht_info->mcs.tx_params |= ((tx_streams - 1) <<
 				IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
@@ -979,8 +989,9 @@ static void ath9k_bss_assoc_info(struct ath_softc *sc,
 	struct ath_common *common = ath9k_hw_common(ah);
 
 	if (bss_conf->assoc) {
-		DPRINTF(ah, ATH_DBG_CONFIG, "Bss Info ASSOC %d, bssid: %pM\n",
-			bss_conf->aid, common->curbssid);
+		ath_print(common, ATH_DBG_CONFIG,
+			  "Bss Info ASSOC %d, bssid: %pM\n",
+			   bss_conf->aid, common->curbssid);
 
 		/* New association, store aid */
 		common->curaid = bss_conf->aid;
@@ -1001,7 +1012,7 @@ static void ath9k_bss_assoc_info(struct ath_softc *sc,
 
 		ath_start_ani(sc);
 	} else {
-		DPRINTF(ah, ATH_DBG_CONFIG, "Bss Info DISASSOC\n");
+		ath_print(common, ATH_DBG_CONFIG, "Bss Info DISASSOC\n");
 		common->curaid = 0;
 		/* Stop ANI */
 		del_timer_sync(&sc->ani.timer);
@@ -1094,8 +1105,8 @@ static int ath_register_led(struct ath_softc *sc, struct ath_led *led,
 
 	ret = led_classdev_register(wiphy_dev(sc->hw->wiphy), &led->led_cdev);
 	if (ret)
-		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
-			"Failed to register led:%s", led->name);
+		ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
+			  "Failed to register led:%s", led->name);
 	else
 		led->registered = 1;
 	return ret;
@@ -1179,6 +1190,7 @@ fail:
 void ath_radio_enable(struct ath_softc *sc)
 {
 	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
 	struct ieee80211_channel *channel = sc->hw->conf.channel;
 	int r;
 
@@ -1191,17 +1203,17 @@ void ath_radio_enable(struct ath_softc *sc)
 	spin_lock_bh(&sc->sc_resetlock);
 	r = ath9k_hw_reset(ah, ah->curchan, false);
 	if (r) {
-		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
-			"Unable to reset channel %u (%uMhz) ",
-			"reset status %d\n",
-			channel->center_freq, r);
+		ath_print(common, ATH_DBG_FATAL,
+			  "Unable to reset channel %u (%uMhz) ",
+			  "reset status %d\n",
+			  channel->center_freq, r);
 	}
 	spin_unlock_bh(&sc->sc_resetlock);
 
 	ath_update_txpow(sc);
 	if (ath_startrecv(sc) != 0) {
-		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
-			"Unable to restart recv logic\n");
+		ath_print(common, ATH_DBG_FATAL,
+			  "Unable to restart recv logic\n");
 		return;
 	}
 
@@ -1246,10 +1258,10 @@ void ath_radio_disable(struct ath_softc *sc)
 	spin_lock_bh(&sc->sc_resetlock);
 	r = ath9k_hw_reset(ah, ah->curchan, false);
 	if (r) {
-		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
-			"Unable to reset channel %u (%uMhz) "
-			"reset status %d\n",
-			channel->center_freq, r);
+		ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
+			  "Unable to reset channel %u (%uMhz) "
+			  "reset status %d\n",
+			  channel->center_freq, r);
 	}
 	spin_unlock_bh(&sc->sc_resetlock);
 
@@ -1367,8 +1379,8 @@ static void ath_detect_bt_priority(struct ath_softc *sc)
 	if (time_after(jiffies, btcoex->bt_priority_time +
 			msecs_to_jiffies(ATH_BT_PRIORITY_TIME_THRESHOLD))) {
 		if (btcoex->bt_priority_cnt >= ATH_BT_CNT_THRESHOLD) {
-			DPRINTF(sc->sc_ah, ATH_DBG_BTCOEX,
-				"BT priority traffic detected");
+			ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_BTCOEX,
+				  "BT priority traffic detected");
 			sc->sc_flags |= SC_OP_BT_PRIORITY_DETECTED;
 		} else {
 			sc->sc_flags &= ~SC_OP_BT_PRIORITY_DETECTED;
@@ -1401,7 +1413,8 @@ static void ath9k_btcoex_bt_stomp(struct ath_softc *sc,
 					   AR_STOMP_NONE_WLAN_WGHT);
 		break;
 	default:
-		DPRINTF(ah, ATH_DBG_BTCOEX, "Invalid Stomptype\n");
+		ath_print(ath9k_hw_common(ah), ATH_DBG_BTCOEX,
+			  "Invalid Stomptype\n");
 		break;
 	}
 
@@ -1481,7 +1494,8 @@ static void ath_btcoex_no_stomp_timer(void *arg)
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath_btcoex *btcoex = &sc->btcoex;
 
-	DPRINTF(ah, ATH_DBG_BTCOEX, "no stomp timer running \n");
+	ath_print(ath9k_hw_common(ah), ATH_DBG_BTCOEX,
+		  "no stomp timer running \n");
 
 	spin_lock_bh(&btcoex->btcoex_lock);
 
@@ -1614,18 +1628,18 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
 
 	r = ath9k_hw_init(ah);
 	if (r) {
-		DPRINTF(ah, ATH_DBG_FATAL,
-			"Unable to initialize hardware; "
-			"initialization status: %d\n", r);
+		ath_print(common, ATH_DBG_FATAL,
+			  "Unable to initialize hardware; "
+			  "initialization status: %d\n", r);
 		goto bad;
 	}
 
 	/* Get the hardware key cache size. */
 	sc->keymax = ah->caps.keycache_size;
 	if (sc->keymax > ATH_KEYMAX) {
-		DPRINTF(ah, ATH_DBG_ANY,
-			"Warning, using only %u entries in %u key cache\n",
-			ATH_KEYMAX, sc->keymax);
+		ath_print(common, ATH_DBG_ANY,
+			  "Warning, using only %u entries in %u key cache\n",
+			  ATH_KEYMAX, sc->keymax);
 		sc->keymax = ATH_KEYMAX;
 	}
 
@@ -1653,15 +1667,15 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
 	 */
 	sc->beacon.beaconq = ath_beaconq_setup(ah);
 	if (sc->beacon.beaconq == -1) {
-		DPRINTF(ah, ATH_DBG_FATAL,
-			"Unable to setup a beacon xmit queue\n");
+		ath_print(common, ATH_DBG_FATAL,
+			  "Unable to setup a beacon xmit queue\n");
 		r = -EIO;
 		goto bad2;
 	}
 	sc->beacon.cabq = ath_txq_setup(sc, ATH9K_TX_QUEUE_CAB, 0);
 	if (sc->beacon.cabq == NULL) {
-		DPRINTF(ah, ATH_DBG_FATAL,
-			"Unable to setup CAB xmit queue\n");
+		ath_print(common, ATH_DBG_FATAL,
+			  "Unable to setup CAB xmit queue\n");
 		r = -EIO;
 		goto bad2;
 	}
@@ -1675,27 +1689,27 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
 	/* Setup data queues */
 	/* NB: ensure BK queue is the lowest priority h/w queue */
 	if (!ath_tx_setup(sc, ATH9K_WME_AC_BK)) {
-		DPRINTF(ah, ATH_DBG_FATAL,
-			"Unable to setup xmit queue for BK traffic\n");
+		ath_print(common, ATH_DBG_FATAL,
+			  "Unable to setup xmit queue for BK traffic\n");
 		r = -EIO;
 		goto bad2;
 	}
 
 	if (!ath_tx_setup(sc, ATH9K_WME_AC_BE)) {
-		DPRINTF(ah, ATH_DBG_FATAL,
-			"Unable to setup xmit queue for BE traffic\n");
+		ath_print(common, ATH_DBG_FATAL,
+			  "Unable to setup xmit queue for BE traffic\n");
 		r = -EIO;
 		goto bad2;
 	}
 	if (!ath_tx_setup(sc, ATH9K_WME_AC_VI)) {
-		DPRINTF(ah, ATH_DBG_FATAL,
-			"Unable to setup xmit queue for VI traffic\n");
+		ath_print(common, ATH_DBG_FATAL,
+			  "Unable to setup xmit queue for VI traffic\n");
 		r = -EIO;
 		goto bad2;
 	}
 	if (!ath_tx_setup(sc, ATH9K_WME_AC_VO)) {
-		DPRINTF(ah, ATH_DBG_FATAL,
-			"Unable to setup xmit queue for VO traffic\n");
+		ath_print(common, ATH_DBG_FATAL,
+			  "Unable to setup xmit queue for VO traffic\n");
 		r = -EIO;
 		goto bad2;
 	}
@@ -1933,6 +1947,7 @@ error_attach:
 int ath_reset(struct ath_softc *sc, bool retry_tx)
 {
 	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
 	struct ieee80211_hw *hw = sc->hw;
 	int r;
 
@@ -1944,12 +1959,13 @@ int ath_reset(struct ath_softc *sc, bool retry_tx)
 	spin_lock_bh(&sc->sc_resetlock);
 	r = ath9k_hw_reset(ah, sc->sc_ah->curchan, false);
 	if (r)
-		DPRINTF(ah, ATH_DBG_FATAL,
-			"Unable to reset hardware; reset status %d\n", r);
+		ath_print(common, ATH_DBG_FATAL,
+			  "Unable to reset hardware; reset status %d\n", r);
 	spin_unlock_bh(&sc->sc_resetlock);
 
 	if (ath_startrecv(sc) != 0)
-		DPRINTF(ah, ATH_DBG_FATAL, "Unable to start recv logic\n");
+		ath_print(common, ATH_DBG_FATAL,
+			  "Unable to start recv logic\n");
 
 	/*
 	 * We may be doing a reset in response to a request
@@ -1992,18 +2008,19 @@ int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
 	((_dd)->dd_desc_paddr + ((caddr_t)(_ds) - (caddr_t)(_dd)->dd_desc))
 #define ATH_DESC_4KB_BOUND_CHECK(_daddr) ((((_daddr) & 0xFFF) > 0xF7F) ? 1 : 0)
 #define ATH_DESC_4KB_BOUND_NUM_SKIPPED(_len) ((_len) / 4096)
-
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	struct ath_desc *ds;
 	struct ath_buf *bf;
 	int i, bsize, error;
 
-	DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "%s DMA: %u buffers %u desc/buf\n",
-		name, nbuf, ndesc);
+	ath_print(common, ATH_DBG_CONFIG, "%s DMA: %u buffers %u desc/buf\n",
+		  name, nbuf, ndesc);
 
 	INIT_LIST_HEAD(head);
 	/* ath_desc must be a multiple of DWORDs */
 	if ((sizeof(struct ath_desc) % 4) != 0) {
-		DPRINTF(sc->sc_ah, ATH_DBG_FATAL, "ath_desc not DWORD aligned\n");
+		ath_print(common, ATH_DBG_FATAL,
+			  "ath_desc not DWORD aligned\n");
 		ASSERT((sizeof(struct ath_desc) % 4) == 0);
 		error = -ENOMEM;
 		goto fail;
@@ -2037,9 +2054,9 @@ int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
 		goto fail;
 	}
 	ds = dd->dd_desc;
-	DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "%s DMA map: %p (%u) -> %llx (%u)\n",
-		name, ds, (u32) dd->dd_desc_len,
-		ito64(dd->dd_desc_paddr), /*XXX*/(u32) dd->dd_desc_len);
+	ath_print(common, ATH_DBG_CONFIG, "%s DMA map: %p (%u) -> %llx (%u)\n",
+		  name, ds, (u32) dd->dd_desc_len,
+		  ito64(dd->dd_desc_paddr), /*XXX*/(u32) dd->dd_desc_len);
 
 	/* allocate buffers */
 	bsize = sizeof(struct ath_buf) * nbuf;
@@ -2189,7 +2206,8 @@ static void ath9k_btcoex_timer_resume(struct ath_softc *sc)
 	struct ath_btcoex *btcoex = &sc->btcoex;
 	struct ath_hw *ah = sc->sc_ah;
 
-	DPRINTF(ah, ATH_DBG_BTCOEX, "Starting btcoex timers");
+	ath_print(ath9k_hw_common(ah), ATH_DBG_BTCOEX,
+		  "Starting btcoex timers");
 
 	/* make sure duty cycle timer is also stopped when resuming */
 	if (btcoex->hw_timer_enabled)
@@ -2207,12 +2225,14 @@ static int ath9k_start(struct ieee80211_hw *hw)
 	struct ath_wiphy *aphy = hw->priv;
 	struct ath_softc *sc = aphy->sc;
 	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
 	struct ieee80211_channel *curchan = hw->conf.channel;
 	struct ath9k_channel *init_channel;
 	int r;
 
-	DPRINTF(ah, ATH_DBG_CONFIG, "Starting driver with "
-		"initial channel: %d MHz\n", curchan->center_freq);
+	ath_print(common, ATH_DBG_CONFIG,
+		  "Starting driver with initial channel: %d MHz\n",
+		  curchan->center_freq);
 
 	mutex_lock(&sc->mutex);
 
@@ -2256,10 +2276,10 @@ static int ath9k_start(struct ieee80211_hw *hw)
 	spin_lock_bh(&sc->sc_resetlock);
 	r = ath9k_hw_reset(ah, init_channel, false);
 	if (r) {
-		DPRINTF(ah, ATH_DBG_FATAL,
-			"Unable to reset hardware; reset status %d "
-			"(freq %u MHz)\n", r,
-			curchan->center_freq);
+		ath_print(common, ATH_DBG_FATAL,
+			  "Unable to reset hardware; reset status %d "
+			  "(freq %u MHz)\n", r,
+			  curchan->center_freq);
 		spin_unlock_bh(&sc->sc_resetlock);
 		goto mutex_unlock;
 	}
@@ -2279,7 +2299,8 @@ static int ath9k_start(struct ieee80211_hw *hw)
 	 * here except setup the interrupt mask.
 	 */
 	if (ath_startrecv(sc) != 0) {
-		DPRINTF(ah, ATH_DBG_FATAL, "Unable to start recv logic\n");
+		ath_print(common, ATH_DBG_FATAL,
+			  "Unable to start recv logic\n");
 		r = -EIO;
 		goto mutex_unlock;
 	}
@@ -2331,12 +2352,14 @@ static int ath9k_tx(struct ieee80211_hw *hw,
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	struct ath_wiphy *aphy = hw->priv;
 	struct ath_softc *sc = aphy->sc;
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	struct ath_tx_control txctl;
 	int hdrlen, padsize;
 
 	if (aphy->state != ATH_WIPHY_ACTIVE && aphy->state != ATH_WIPHY_SCAN) {
-		printk(KERN_DEBUG "ath9k: %s: TX in unexpected wiphy state "
-		       "%d\n", wiphy_name(hw->wiphy), aphy->state);
+		ath_print(common, ATH_DBG_XMIT,
+			  "ath9k: %s: TX in unexpected wiphy state "
+			  "%d\n", wiphy_name(hw->wiphy), aphy->state);
 		goto exit;
 	}
 
@@ -2349,8 +2372,8 @@ static int ath9k_tx(struct ieee80211_hw *hw,
 		if (ieee80211_is_data(hdr->frame_control) &&
 		    !ieee80211_is_nullfunc(hdr->frame_control) &&
 		    !ieee80211_has_pm(hdr->frame_control)) {
-			DPRINTF(sc->sc_ah, ATH_DBG_PS, "Add PM=1 for a TX frame "
-				"while in PS mode\n");
+			ath_print(common, ATH_DBG_PS, "Add PM=1 for a TX frame "
+				  "while in PS mode\n");
 			hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM);
 		}
 	}
@@ -2365,11 +2388,12 @@ static int ath9k_tx(struct ieee80211_hw *hw,
 		ath9k_ps_wakeup(sc);
 		ath9k_hw_setrxabort(sc->sc_ah, 0);
 		if (ieee80211_is_pspoll(hdr->frame_control)) {
-			DPRINTF(sc->sc_ah, ATH_DBG_PS, "Sending PS-Poll to pick a "
-				"buffered frame\n");
+			ath_print(common, ATH_DBG_PS,
+				  "Sending PS-Poll to pick a buffered frame\n");
 			sc->sc_flags |= SC_OP_WAIT_FOR_PSPOLL_DATA;
 		} else {
-			DPRINTF(sc->sc_ah, ATH_DBG_PS, "Wake up to complete TX\n");
+			ath_print(common, ATH_DBG_PS,
+				  "Wake up to complete TX\n");
 			sc->sc_flags |= SC_OP_WAIT_FOR_TX_ACK;
 		}
 		/*
@@ -2411,10 +2435,10 @@ static int ath9k_tx(struct ieee80211_hw *hw,
 	if (!txctl.txq)
 		goto exit;
 
-	DPRINTF(sc->sc_ah, ATH_DBG_XMIT, "transmitting packet, skb: %p\n", skb);
+	ath_print(common, ATH_DBG_XMIT, "transmitting packet, skb: %p\n", skb);
 
 	if (ath_tx_start(hw, skb, &txctl) != 0) {
-		DPRINTF(sc->sc_ah, ATH_DBG_XMIT, "TX failed\n");
+		ath_print(common, ATH_DBG_XMIT, "TX failed\n");
 		goto exit;
 	}
 
@@ -2445,6 +2469,7 @@ static void ath9k_stop(struct ieee80211_hw *hw)
 	struct ath_wiphy *aphy = hw->priv;
 	struct ath_softc *sc = aphy->sc;
 	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
 
 	mutex_lock(&sc->mutex);
 
@@ -2459,7 +2484,7 @@ static void ath9k_stop(struct ieee80211_hw *hw)
 	}
 
 	if (sc->sc_flags & SC_OP_INVALID) {
-		DPRINTF(ah, ATH_DBG_ANY, "Device not present\n");
+		ath_print(common, ATH_DBG_ANY, "Device not present\n");
 		mutex_unlock(&sc->mutex);
 		return;
 	}
@@ -2495,7 +2520,7 @@ static void ath9k_stop(struct ieee80211_hw *hw)
 
 	mutex_unlock(&sc->mutex);
 
-	DPRINTF(ah, ATH_DBG_CONFIG, "Driver halt\n");
+	ath_print(common, ATH_DBG_CONFIG, "Driver halt\n");
 }
 
 static int ath9k_add_interface(struct ieee80211_hw *hw,
@@ -2503,6 +2528,7 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
 {
 	struct ath_wiphy *aphy = hw->priv;
 	struct ath_softc *sc = aphy->sc;
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	struct ath_vif *avp = (void *)conf->vif->drv_priv;
 	enum nl80211_iftype ic_opmode = NL80211_IFTYPE_UNSPECIFIED;
 	int ret = 0;
@@ -2529,13 +2555,14 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
 		ic_opmode = conf->type;
 		break;
 	default:
-		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
+		ath_print(common, ATH_DBG_FATAL,
 			"Interface type %d not yet supported\n", conf->type);
 		ret = -EOPNOTSUPP;
 		goto out;
 	}
 
-	DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "Attach a VIF of type: %d\n", ic_opmode);
+	ath_print(common, ATH_DBG_CONFIG,
+		  "Attach a VIF of type: %d\n", ic_opmode);
 
 	/* Set the VIF opmode */
 	avp->av_opmode = ic_opmode;
@@ -2585,10 +2612,11 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw,
 {
 	struct ath_wiphy *aphy = hw->priv;
 	struct ath_softc *sc = aphy->sc;
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	struct ath_vif *avp = (void *)conf->vif->drv_priv;
 	int i;
 
-	DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "Detach Interface\n");
+	ath_print(common, ATH_DBG_CONFIG, "Detach Interface\n");
 
 	mutex_lock(&sc->mutex);
 
@@ -2623,6 +2651,7 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
 {
 	struct ath_wiphy *aphy = hw->priv;
 	struct ath_softc *sc = aphy->sc;
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	struct ieee80211_conf *conf = &hw->conf;
 	struct ath_hw *ah = sc->sc_ah;
 	bool all_wiphys_idle = false, disable_radio = false;
@@ -2642,8 +2671,8 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
 		}
 		else if (all_wiphys_idle) {
 			ath_radio_enable(sc);
-			DPRINTF(sc->sc_ah, ATH_DBG_CONFIG,
-				"not-idle: enabling radio\n");
+			ath_print(common, ATH_DBG_CONFIG,
+				  "not-idle: enabling radio\n");
 		}
 	}
 
@@ -2696,8 +2725,8 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
 			goto skip_chan_change;
 		}
 
-		DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "Set channel: %d MHz\n",
-			curchan->center_freq);
+		ath_print(common, ATH_DBG_CONFIG, "Set channel: %d MHz\n",
+			  curchan->center_freq);
 
 		/* XXX: remove me eventualy */
 		ath9k_update_ichannel(sc, hw, &sc->sc_ah->channels[pos]);
@@ -2705,7 +2734,8 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
 		ath_update_chainmask(sc, conf_is_ht(conf));
 
 		if (ath_set_channel(sc, hw, &sc->sc_ah->channels[pos]) < 0) {
-			DPRINTF(sc->sc_ah, ATH_DBG_FATAL, "Unable to set channel\n");
+			ath_print(common, ATH_DBG_FATAL,
+				  "Unable to set channel\n");
 			mutex_unlock(&sc->mutex);
 			return -EINVAL;
 		}
@@ -2716,7 +2746,7 @@ skip_chan_change:
 		sc->config.txpowlimit = 2 * conf->power_level;
 
 	if (disable_radio) {
-		DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "idle: disabling radio\n");
+		ath_print(common, ATH_DBG_CONFIG, "idle: disabling radio\n");
 		ath_radio_disable(sc);
 	}
 
@@ -2753,7 +2783,8 @@ static void ath9k_configure_filter(struct ieee80211_hw *hw,
 	ath9k_hw_setrxfilter(sc->sc_ah, rfilt);
 	ath9k_ps_restore(sc);
 
-	DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "Set HW RX filter: 0x%x\n", rfilt);
+	ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_CONFIG,
+		  "Set HW RX filter: 0x%x\n", rfilt);
 }
 
 static void ath9k_sta_notify(struct ieee80211_hw *hw,
@@ -2781,6 +2812,7 @@ static int ath9k_conf_tx(struct ieee80211_hw *hw, u16 queue,
 {
 	struct ath_wiphy *aphy = hw->priv;
 	struct ath_softc *sc = aphy->sc;
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	struct ath9k_tx_queue_info qi;
 	int ret = 0, qnum;
 
@@ -2797,15 +2829,15 @@ static int ath9k_conf_tx(struct ieee80211_hw *hw, u16 queue,
 	qi.tqi_burstTime = params->txop;
 	qnum = ath_get_hal_qnum(queue, sc);
 
-	DPRINTF(sc->sc_ah, ATH_DBG_CONFIG,
-		"Configure tx [queue/halq] [%d/%d],  "
-		"aifs: %d, cw_min: %d, cw_max: %d, txop: %d\n",
-		queue, qnum, params->aifs, params->cw_min,
-		params->cw_max, params->txop);
+	ath_print(common, ATH_DBG_CONFIG,
+		  "Configure tx [queue/halq] [%d/%d],  "
+		  "aifs: %d, cw_min: %d, cw_max: %d, txop: %d\n",
+		  queue, qnum, params->aifs, params->cw_min,
+		  params->cw_max, params->txop);
 
 	ret = ath_txq_update(sc, qnum, &qi);
 	if (ret)
-		DPRINTF(sc->sc_ah, ATH_DBG_FATAL, "TXQ Update failed\n");
+		ath_print(common, ATH_DBG_FATAL, "TXQ Update failed\n");
 
 	mutex_unlock(&sc->mutex);
 
@@ -2820,6 +2852,7 @@ static int ath9k_set_key(struct ieee80211_hw *hw,
 {
 	struct ath_wiphy *aphy = hw->priv;
 	struct ath_softc *sc = aphy->sc;
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	int ret = 0;
 
 	if (modparam_nohwcrypt)
@@ -2827,7 +2860,7 @@ static int ath9k_set_key(struct ieee80211_hw *hw,
 
 	mutex_lock(&sc->mutex);
 	ath9k_ps_wakeup(sc);
-	DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "Set HW Key\n");
+	ath_print(common, ATH_DBG_CONFIG, "Set HW Key\n");
 
 	switch (cmd) {
 	case SET_KEY:
@@ -2902,9 +2935,9 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
 			/* Set aggregation protection mode parameters */
 			sc->config.ath_aggr_prot = 0;
 
-			DPRINTF(sc->sc_ah, ATH_DBG_CONFIG,
-				"RX filter 0x%x bssid %pM aid 0x%x\n",
-				rfilt, common->curbssid, common->curaid);
+			ath_print(common, ATH_DBG_CONFIG,
+				  "RX filter 0x%x bssid %pM aid 0x%x\n",
+				  rfilt, common->curbssid, common->curaid);
 
 			/* need to reconfigure the beacon */
 			sc->sc_flags &= ~SC_OP_BEACONS ;
@@ -2951,8 +2984,8 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
 		ath_update_chainmask(sc, 0);
 
 	if (changed & BSS_CHANGED_ERP_PREAMBLE) {
-		DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "BSS Changed PREAMBLE %d\n",
-			bss_conf->use_short_preamble);
+		ath_print(common, ATH_DBG_CONFIG, "BSS Changed PREAMBLE %d\n",
+			  bss_conf->use_short_preamble);
 		if (bss_conf->use_short_preamble)
 			sc->sc_flags |= SC_OP_PREAMBLE_SHORT;
 		else
@@ -2960,8 +2993,8 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
 	}
 
 	if (changed & BSS_CHANGED_ERP_CTS_PROT) {
-		DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "BSS Changed CTS PROT %d\n",
-			bss_conf->use_cts_prot);
+		ath_print(common, ATH_DBG_CONFIG, "BSS Changed CTS PROT %d\n",
+			  bss_conf->use_cts_prot);
 		if (bss_conf->use_cts_prot &&
 		    hw->conf.channel->band != IEEE80211_BAND_5GHZ)
 			sc->sc_flags |= SC_OP_PROTECT_ENABLE;
@@ -2970,7 +3003,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
 	}
 
 	if (changed & BSS_CHANGED_ASSOC) {
-		DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "BSS Changed ASSOC %d\n",
+		ath_print(common, ATH_DBG_CONFIG, "BSS Changed ASSOC %d\n",
 			bss_conf->assoc);
 		ath9k_bss_assoc_info(sc, vif, bss_conf);
 	}
@@ -3055,7 +3088,8 @@ static int ath9k_ampdu_action(struct ieee80211_hw *hw,
 		ath_tx_aggr_resume(sc, sta, tid);
 		break;
 	default:
-		DPRINTF(sc->sc_ah, ATH_DBG_FATAL, "Unknown AMPDU action\n");
+		ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
+			  "Unknown AMPDU action\n");
 	}
 
 	return ret;
diff --git a/drivers/net/wireless/ath/ath9k/phy.c b/drivers/net/wireless/ath/ath9k/phy.c
index 1166f725f55..b2630259976 100644
--- a/drivers/net/wireless/ath/ath9k/phy.c
+++ b/drivers/net/wireless/ath/ath9k/phy.c
@@ -26,6 +26,7 @@ ath9k_hw_write_regs(struct ath_hw *ah, u32 modesIndex, u32 freqIndex,
 bool
 ath9k_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
 {
+	struct ath_common *common = ath9k_hw_common(ah);
 	u32 channelSel = 0;
 	u32 bModeSynth = 0;
 	u32 aModeRefSel = 0;
@@ -46,8 +47,8 @@ ath9k_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
 			channelSel = ((freq - 704) * 2 - 3040) / 10;
 			bModeSynth = 1;
 		} else {
-			DPRINTF(ah, ATH_DBG_FATAL,
-				"Invalid channel %u MHz\n", freq);
+			ath_print(common, ATH_DBG_FATAL,
+				  "Invalid channel %u MHz\n", freq);
 			return false;
 		}
 
@@ -79,8 +80,8 @@ ath9k_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
 		channelSel = ath9k_hw_reverse_bits((freq - 4800) / 5, 8);
 		aModeRefSel = ath9k_hw_reverse_bits(1, 2);
 	} else {
-		DPRINTF(ah, ATH_DBG_FATAL,
-			"Invalid channel %u MHz\n", freq);
+		ath_print(common, ATH_DBG_FATAL,
+			  "Invalid channel %u MHz\n", freq);
 		return false;
 	}
 
@@ -285,6 +286,8 @@ ath9k_hw_rf_free(struct ath_hw *ah)
 
 bool ath9k_hw_init_rf(struct ath_hw *ah, int *status)
 {
+	struct ath_common *common = ath9k_hw_common(ah);
+
 	if (!AR_SREV_9280_10_OR_LATER(ah)) {
 		ah->analogBank0Data =
 		    kzalloc((sizeof(u32) *
@@ -315,8 +318,8 @@ bool ath9k_hw_init_rf(struct ath_hw *ah, int *status)
 		    || ah->analogBank6Data == NULL
 		    || ah->analogBank6TPCData == NULL
 		    || ah->analogBank7Data == NULL) {
-			DPRINTF(ah, ATH_DBG_FATAL,
-				"Cannot allocate RF banks\n");
+			ath_print(common, ATH_DBG_FATAL,
+				  "Cannot allocate RF banks\n");
 			*status = -ENOMEM;
 			return false;
 		}
@@ -326,8 +329,8 @@ bool ath9k_hw_init_rf(struct ath_hw *ah, int *status)
 			     ah->iniAddac.ia_rows *
 			     ah->iniAddac.ia_columns), GFP_KERNEL);
 		if (ah->addac5416_21 == NULL) {
-			DPRINTF(ah, ATH_DBG_FATAL,
-				"Cannot allocate addac5416_21\n");
+			ath_print(common, ATH_DBG_FATAL,
+				  "Cannot allocate addac5416_21\n");
 			*status = -ENOMEM;
 			return false;
 		}
@@ -336,8 +339,8 @@ bool ath9k_hw_init_rf(struct ath_hw *ah, int *status)
 		    kzalloc((sizeof(u32) *
 			     ah->iniBank6.ia_rows), GFP_KERNEL);
 		if (ah->bank6Temp == NULL) {
-			DPRINTF(ah, ATH_DBG_FATAL,
-				"Cannot allocate bank6Temp\n");
+			ath_print(common, ATH_DBG_FATAL,
+				  "Cannot allocate bank6Temp\n");
 			*status = -ENOMEM;
 			return false;
 		}
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index cafe1ec7bdb..7346649af2d 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -1160,6 +1160,7 @@ struct ath_rate_table *ath_choose_rate_table(struct ath_softc *sc,
 					     bool is_cw_40)
 {
 	int mode = 0;
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 
 	switch(band) {
 	case IEEE80211_BAND_2GHZ:
@@ -1177,14 +1178,14 @@ struct ath_rate_table *ath_choose_rate_table(struct ath_softc *sc,
 			mode = ATH9K_MODE_11NA_HT40PLUS;
 		break;
 	default:
-		DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "Invalid band\n");
+		ath_print(common, ATH_DBG_CONFIG, "Invalid band\n");
 		return NULL;
 	}
 
 	BUG_ON(mode >= ATH9K_MODE_MAX);
 
-	DPRINTF(sc->sc_ah, ATH_DBG_CONFIG,
-		"Choosing rate table for mode: %d\n", mode);
+	ath_print(common, ATH_DBG_CONFIG,
+		  "Choosing rate table for mode: %d\n", mode);
 	return sc->hw_rate_table[mode];
 }
 
@@ -1195,12 +1196,13 @@ static void ath_rc_init(struct ath_softc *sc,
 			const struct ath_rate_table *rate_table)
 {
 	struct ath_rateset *rateset = &ath_rc_priv->neg_rates;
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	u8 *ht_mcs = (u8 *)&ath_rc_priv->neg_ht_rates;
 	u8 i, j, k, hi = 0, hthi = 0;
 
 	if (!rate_table) {
-		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
-			"Rate table not initialized\n");
+		ath_print(common, ATH_DBG_FATAL,
+			  "Rate table not initialized\n");
 		return;
 	}
 
@@ -1263,9 +1265,9 @@ static void ath_rc_init(struct ath_softc *sc,
 	ath_rc_priv->rate_max_phy = ath_rc_priv->valid_rate_index[k-4];
 	sc->cur_rate_table = rate_table;
 
-	DPRINTF(sc->sc_ah, ATH_DBG_CONFIG,
-		"RC Initialized with capabilities: 0x%x\n",
-		ath_rc_priv->ht_cap);
+	ath_print(common, ATH_DBG_CONFIG,
+		  "RC Initialized with capabilities: 0x%x\n",
+		  ath_rc_priv->ht_cap);
 }
 
 static u8 ath_rc_build_ht_caps(struct ath_softc *sc, struct ieee80211_sta *sta,
@@ -1441,9 +1443,9 @@ static void ath_rate_update(void *priv, struct ieee80211_supported_band *sband,
 						   oper_cw40, oper_sgi40);
 			ath_rc_init(sc, priv_sta, sband, sta, rate_table);
 
-			DPRINTF(sc->sc_ah, ATH_DBG_CONFIG,
-				"Operating HT Bandwidth changed to: %d\n",
-				sc->hw->conf.channel_type);
+			ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_CONFIG,
+				  "Operating HT Bandwidth changed to: %d\n",
+				  sc->hw->conf.channel_type);
 		}
 	}
 }
@@ -1466,8 +1468,8 @@ static void *ath_rate_alloc_sta(void *priv, struct ieee80211_sta *sta, gfp_t gfp
 
 	rate_priv = kzalloc(sizeof(struct ath_rate_priv), gfp);
 	if (!rate_priv) {
-		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
-			"Unable to allocate private rc structure\n");
+		ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
+			  "Unable to allocate private rc structure\n");
 		return NULL;
 	}
 
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index fb635a0a34e..6caef1b5dfe 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -309,16 +309,16 @@ int ath_rx_init(struct ath_softc *sc, int nbufs)
 	sc->rx.bufsize = roundup(IEEE80211_MAX_MPDU_LEN,
 				 min(common->cachelsz, (u16)64));
 
-	DPRINTF(sc->sc_ah, ATH_DBG_CONFIG, "cachelsz %u rxbufsize %u\n",
-		common->cachelsz, sc->rx.bufsize);
+	ath_print(common, ATH_DBG_CONFIG, "cachelsz %u rxbufsize %u\n",
+		  common->cachelsz, sc->rx.bufsize);
 
 	/* Initialize rx descriptors */
 
 	error = ath_descdma_setup(sc, &sc->rx.rxdma, &sc->rx.rxbuf,
 				  "rx", nbufs, 1);
 	if (error != 0) {
-		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
-			"failed to allocate rx descriptors: %d\n", error);
+		ath_print(common, ATH_DBG_FATAL,
+			  "failed to allocate rx descriptors: %d\n", error);
 		goto err;
 	}
 
@@ -337,8 +337,8 @@ int ath_rx_init(struct ath_softc *sc, int nbufs)
 					       bf->bf_buf_addr))) {
 			dev_kfree_skb_any(skb);
 			bf->bf_mpdu = NULL;
-			DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
-				"dma_mapping_error() on RX init\n");
+			ath_print(common, ATH_DBG_FATAL,
+				  "dma_mapping_error() on RX init\n");
 			error = -ENOMEM;
 			goto err;
 		}
@@ -543,8 +543,9 @@ static void ath_rx_ps_beacon(struct ath_softc *sc, struct sk_buff *skb)
 
 	if (sc->sc_flags & SC_OP_BEACON_SYNC) {
 		sc->sc_flags &= ~SC_OP_BEACON_SYNC;
-		DPRINTF(sc->sc_ah, ATH_DBG_PS, "Reconfigure Beacon timers based on "
-			"timestamp from the AP\n");
+		ath_print(common, ATH_DBG_PS,
+			  "Reconfigure Beacon timers based on "
+			  "timestamp from the AP\n");
 		ath_beacon_config(sc, NULL);
 	}
 
@@ -556,8 +557,8 @@ static void ath_rx_ps_beacon(struct ath_softc *sc, struct sk_buff *skb)
 		 * a backup trigger for returning into NETWORK SLEEP state,
 		 * so we are waiting for it as well.
 		 */
-		DPRINTF(sc->sc_ah, ATH_DBG_PS, "Received DTIM beacon indicating "
-			"buffered broadcast/multicast frame(s)\n");
+		ath_print(common, ATH_DBG_PS, "Received DTIM beacon indicating "
+			  "buffered broadcast/multicast frame(s)\n");
 		sc->sc_flags |= SC_OP_WAIT_FOR_CAB | SC_OP_WAIT_FOR_BEACON;
 		return;
 	}
@@ -569,13 +570,15 @@ static void ath_rx_ps_beacon(struct ath_softc *sc, struct sk_buff *skb)
 		 * been delivered.
 		 */
 		sc->sc_flags &= ~SC_OP_WAIT_FOR_CAB;
-		DPRINTF(sc->sc_ah, ATH_DBG_PS, "PS wait for CAB frames timed out\n");
+		ath_print(common, ATH_DBG_PS,
+			  "PS wait for CAB frames timed out\n");
 	}
 }
 
 static void ath_rx_ps(struct ath_softc *sc, struct sk_buff *skb)
 {
 	struct ieee80211_hdr *hdr;
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 
 	hdr = (struct ieee80211_hdr *)skb->data;
 
@@ -593,14 +596,15 @@ static void ath_rx_ps(struct ath_softc *sc, struct sk_buff *skb)
 		 * point.
 		 */
 		sc->sc_flags &= ~SC_OP_WAIT_FOR_CAB;
-		DPRINTF(sc->sc_ah, ATH_DBG_PS, "All PS CAB frames received, back to "
-			"sleep\n");
+		ath_print(common, ATH_DBG_PS,
+			  "All PS CAB frames received, back to sleep\n");
 	} else if ((sc->sc_flags & SC_OP_WAIT_FOR_PSPOLL_DATA) &&
 		   !is_multicast_ether_addr(hdr->addr1) &&
 		   !ieee80211_has_morefrags(hdr->frame_control)) {
 		sc->sc_flags &= ~SC_OP_WAIT_FOR_PSPOLL_DATA;
-		DPRINTF(sc->sc_ah, ATH_DBG_PS, "Going back to sleep after having "
-			"received PS-Poll data (0x%x)\n",
+		ath_print(common, ATH_DBG_PS,
+			  "Going back to sleep after having received "
+			  "PS-Poll data (0x%x)\n",
 			sc->sc_flags & (SC_OP_WAIT_FOR_BEACON |
 					SC_OP_WAIT_FOR_CAB |
 					SC_OP_WAIT_FOR_PSPOLL_DATA |
@@ -816,8 +820,8 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 			  bf->bf_buf_addr))) {
 			dev_kfree_skb_any(requeue_skb);
 			bf->bf_mpdu = NULL;
-			DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
-				"dma_mapping_error() on RX\n");
+			ath_print(common, ATH_DBG_FATAL,
+				  "dma_mapping_error() on RX\n");
 			ath_rx_send_to_mac80211(sc, skb, &rx_status);
 			break;
 		}
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index ddd3062186a..36650505d2f 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -815,6 +815,7 @@ static void ath_txq_drain_pending_buffers(struct ath_softc *sc,
 struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype)
 {
 	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath9k_tx_queue_info qi;
 	int qnum;
 
@@ -854,9 +855,9 @@ struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype)
 		return NULL;
 	}
 	if (qnum >= ARRAY_SIZE(sc->tx.txq)) {
-		DPRINTF(ah, ATH_DBG_FATAL,
-			"qnum %u out of range, max %u!\n",
-			qnum, (unsigned int)ARRAY_SIZE(sc->tx.txq));
+		ath_print(common, ATH_DBG_FATAL,
+			  "qnum %u out of range, max %u!\n",
+			  qnum, (unsigned int)ARRAY_SIZE(sc->tx.txq));
 		ath9k_hw_releasetxqueue(ah, qnum);
 		return NULL;
 	}
@@ -884,9 +885,9 @@ int ath_tx_get_qnum(struct ath_softc *sc, int qtype, int haltype)
 	switch (qtype) {
 	case ATH9K_TX_QUEUE_DATA:
 		if (haltype >= ARRAY_SIZE(sc->tx.hwq_map)) {
-			DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
-				"HAL AC %u out of range, max %zu!\n",
-				haltype, ARRAY_SIZE(sc->tx.hwq_map));
+			ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
+				  "HAL AC %u out of range, max %zu!\n",
+				  haltype, ARRAY_SIZE(sc->tx.hwq_map));
 			return -1;
 		}
 		qnum = sc->tx.hwq_map[haltype];
@@ -914,9 +915,9 @@ struct ath_txq *ath_test_get_txq(struct ath_softc *sc, struct sk_buff *skb)
 	spin_lock_bh(&txq->axq_lock);
 
 	if (txq->axq_depth >= (ATH_TXBUF - 20)) {
-		DPRINTF(sc->sc_ah, ATH_DBG_XMIT,
-			"TX queue: %d is full, depth: %d\n",
-			qnum, txq->axq_depth);
+		ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_XMIT,
+			  "TX queue: %d is full, depth: %d\n",
+			  qnum, txq->axq_depth);
 		ieee80211_stop_queue(sc->hw, skb_get_queue_mapping(skb));
 		txq->stopped = 1;
 		spin_unlock_bh(&txq->axq_lock);
@@ -955,8 +956,8 @@ int ath_txq_update(struct ath_softc *sc, int qnum,
 	qi.tqi_readyTime = qinfo->tqi_readyTime;
 
 	if (!ath9k_hw_set_txq_props(ah, qnum, &qi)) {
-		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
-			"Unable to update hardware queue %u!\n", qnum);
+		ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
+			  "Unable to update hardware queue %u!\n", qnum);
 		error = -EIO;
 	} else {
 		ath9k_hw_resettxqueue(ah, qnum);
@@ -1055,6 +1056,7 @@ void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx)
 void ath_drain_all_txq(struct ath_softc *sc, bool retry_tx)
 {
 	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	struct ath_txq *txq;
 	int i, npend = 0;
 
@@ -1076,14 +1078,15 @@ void ath_drain_all_txq(struct ath_softc *sc, bool retry_tx)
 	if (npend) {
 		int r;
 
-		DPRINTF(sc->sc_ah, ATH_DBG_XMIT, "Unable to stop TxDMA. Reset HAL!\n");
+		ath_print(common, ATH_DBG_XMIT,
+			  "Unable to stop TxDMA. Reset HAL!\n");
 
 		spin_lock_bh(&sc->sc_resetlock);
 		r = ath9k_hw_reset(ah, sc->sc_ah->curchan, true);
 		if (r)
-			DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
-				"Unable to reset hardware; reset status %d\n",
-				r);
+			ath_print(common, ATH_DBG_FATAL,
+				  "Unable to reset hardware; reset status %d\n",
+				  r);
 		spin_unlock_bh(&sc->sc_resetlock);
 	}
 
@@ -1147,8 +1150,8 @@ int ath_tx_setup(struct ath_softc *sc, int haltype)
 	struct ath_txq *txq;
 
 	if (haltype >= ARRAY_SIZE(sc->tx.hwq_map)) {
-		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
-			"HAL AC %u out of range, max %zu!\n",
+		ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
+			  "HAL AC %u out of range, max %zu!\n",
 			 haltype, ARRAY_SIZE(sc->tx.hwq_map));
 		return 0;
 	}
@@ -1172,6 +1175,7 @@ static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq,
 			     struct list_head *head)
 {
 	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath_buf *bf;
 
 	/*
@@ -1188,19 +1192,19 @@ static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq,
 	txq->axq_depth++;
 	txq->axq_linkbuf = list_entry(txq->axq_q.prev, struct ath_buf, list);
 
-	DPRINTF(sc->sc_ah, ATH_DBG_QUEUE,
-		"qnum: %d, txq depth: %d\n", txq->axq_qnum, txq->axq_depth);
+	ath_print(common, ATH_DBG_QUEUE,
+		  "qnum: %d, txq depth: %d\n", txq->axq_qnum, txq->axq_depth);
 
 	if (txq->axq_link == NULL) {
 		ath9k_hw_puttxbuf(ah, txq->axq_qnum, bf->bf_daddr);
-		DPRINTF(sc->sc_ah, ATH_DBG_XMIT,
-			"TXDP[%u] = %llx (%p)\n",
-			txq->axq_qnum, ito64(bf->bf_daddr), bf->bf_desc);
+		ath_print(common, ATH_DBG_XMIT,
+			  "TXDP[%u] = %llx (%p)\n",
+			  txq->axq_qnum, ito64(bf->bf_daddr), bf->bf_desc);
 	} else {
 		*txq->axq_link = bf->bf_daddr;
-		DPRINTF(sc->sc_ah, ATH_DBG_XMIT, "link[%u] (%p)=%llx (%p)\n",
-			txq->axq_qnum, txq->axq_link,
-			ito64(bf->bf_daddr), bf->bf_desc);
+		ath_print(common, ATH_DBG_XMIT, "link[%u] (%p)=%llx (%p)\n",
+			  txq->axq_qnum, txq->axq_link,
+			  ito64(bf->bf_daddr), bf->bf_desc);
 	}
 	txq->axq_link = &(bf->bf_lastbf->bf_desc->ds_link);
 	ath9k_hw_txstart(ah, txq->axq_qnum);
@@ -1587,8 +1591,8 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf,
 		bf->bf_mpdu = NULL;
 		kfree(tx_info_priv);
 		tx_info->rate_driver_data[0] = NULL;
-		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
-			"dma_mapping_error() on TX\n");
+		ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
+			  "dma_mapping_error() on TX\n");
 		return -ENOMEM;
 	}
 
@@ -1670,12 +1674,13 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
 {
 	struct ath_wiphy *aphy = hw->priv;
 	struct ath_softc *sc = aphy->sc;
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	struct ath_buf *bf;
 	int r;
 
 	bf = ath_tx_get_buffer(sc);
 	if (!bf) {
-		DPRINTF(sc->sc_ah, ATH_DBG_XMIT, "TX buffers are full\n");
+		ath_print(common, ATH_DBG_XMIT, "TX buffers are full\n");
 		return -1;
 	}
 
@@ -1683,7 +1688,7 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
 	if (unlikely(r)) {
 		struct ath_txq *txq = txctl->txq;
 
-		DPRINTF(sc->sc_ah, ATH_DBG_FATAL, "TX mem alloc failure\n");
+		ath_print(common, ATH_DBG_FATAL, "TX mem alloc failure\n");
 
 		/* upon ath_tx_processq() this TX queue will be resumed, we
 		 * guarantee this will happen by knowing beforehand that
@@ -1713,6 +1718,7 @@ void ath_tx_cabq(struct ieee80211_hw *hw, struct sk_buff *skb)
 {
 	struct ath_wiphy *aphy = hw->priv;
 	struct ath_softc *sc = aphy->sc;
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	int hdrlen, padsize;
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	struct ath_tx_control txctl;
@@ -1737,8 +1743,8 @@ void ath_tx_cabq(struct ieee80211_hw *hw, struct sk_buff *skb)
 	if (hdrlen & 3) {
 		padsize = hdrlen % 4;
 		if (skb_headroom(skb) < padsize) {
-			DPRINTF(sc->sc_ah, ATH_DBG_XMIT,
-				"TX CABQ padding failed\n");
+			ath_print(common, ATH_DBG_XMIT,
+				  "TX CABQ padding failed\n");
 			dev_kfree_skb_any(skb);
 			return;
 		}
@@ -1748,10 +1754,11 @@ void ath_tx_cabq(struct ieee80211_hw *hw, struct sk_buff *skb)
 
 	txctl.txq = sc->beacon.cabq;
 
-	DPRINTF(sc->sc_ah, ATH_DBG_XMIT, "transmitting CABQ packet, skb: %p\n", skb);
+	ath_print(common, ATH_DBG_XMIT,
+		  "transmitting CABQ packet, skb: %p\n", skb);
 
 	if (ath_tx_start(hw, skb, &txctl) != 0) {
-		DPRINTF(sc->sc_ah, ATH_DBG_XMIT, "CABQ TX failed\n");
+		ath_print(common, ATH_DBG_XMIT, "CABQ TX failed\n");
 		goto exit;
 	}
 
@@ -1770,10 +1777,11 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
 	struct ieee80211_hw *hw = sc->hw;
 	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
 	struct ath_tx_info_priv *tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	int hdrlen, padsize;
 	int frame_type = ATH9K_NOT_INTERNAL;
 
-	DPRINTF(sc->sc_ah, ATH_DBG_XMIT, "TX complete: skb: %p\n", skb);
+	ath_print(common, ATH_DBG_XMIT, "TX complete: skb: %p\n", skb);
 
 	if (tx_info_priv) {
 		hw = tx_info_priv->aphy->hw;
@@ -1807,8 +1815,9 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
 
 	if (sc->sc_flags & SC_OP_WAIT_FOR_TX_ACK) {
 		sc->sc_flags &= ~SC_OP_WAIT_FOR_TX_ACK;
-		DPRINTF(sc->sc_ah, ATH_DBG_PS, "Going back to sleep after having "
-			"received TX status (0x%x)\n",
+		ath_print(common, ATH_DBG_PS,
+			  "Going back to sleep after having "
+			  "received TX status (0x%x)\n",
 			sc->sc_flags & (SC_OP_WAIT_FOR_BEACON |
 					SC_OP_WAIT_FOR_CAB |
 					SC_OP_WAIT_FOR_PSPOLL_DATA |
@@ -1938,15 +1947,16 @@ static void ath_wake_mac80211_queue(struct ath_softc *sc, struct ath_txq *txq)
 static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
 {
 	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath_buf *bf, *lastbf, *bf_held = NULL;
 	struct list_head bf_head;
 	struct ath_desc *ds;
 	int txok;
 	int status;
 
-	DPRINTF(ah, ATH_DBG_QUEUE, "tx queue %d (%x), link %p\n",
-		txq->axq_qnum, ath9k_hw_gettxbuf(sc->sc_ah, txq->axq_qnum),
-		txq->axq_link);
+	ath_print(common, ATH_DBG_QUEUE, "tx queue %d (%x), link %p\n",
+		  txq->axq_qnum, ath9k_hw_gettxbuf(sc->sc_ah, txq->axq_qnum),
+		  txq->axq_link);
 
 	for (;;) {
 		spin_lock_bh(&txq->axq_lock);
@@ -2066,7 +2076,8 @@ static void ath_tx_complete_poll_work(struct work_struct *work)
 		}
 
 	if (needreset) {
-		DPRINTF(sc->sc_ah, ATH_DBG_RESET, "tx hung, resetting the chip\n");
+		ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_RESET,
+			  "tx hung, resetting the chip\n");
 		ath_reset(sc, false);
 	}
 
@@ -2095,6 +2106,7 @@ void ath_tx_tasklet(struct ath_softc *sc)
 
 int ath_tx_init(struct ath_softc *sc, int nbufs)
 {
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	int error = 0;
 
 	spin_lock_init(&sc->tx.txbuflock);
@@ -2102,16 +2114,16 @@ int ath_tx_init(struct ath_softc *sc, int nbufs)
 	error = ath_descdma_setup(sc, &sc->tx.txdma, &sc->tx.txbuf,
 				  "tx", nbufs, 1);
 	if (error != 0) {
-		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
-			"Failed to allocate tx descriptors: %d\n", error);
+		ath_print(common, ATH_DBG_FATAL,
+			  "Failed to allocate tx descriptors: %d\n", error);
 		goto err;
 	}
 
 	error = ath_descdma_setup(sc, &sc->beacon.bdma, &sc->beacon.bbuf,
 				  "beacon", ATH_BCBUF, 1);
 	if (error != 0) {
-		DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
-			"Failed to allocate beacon descriptors: %d\n", error);
+		ath_print(common, ATH_DBG_FATAL,
+			  "Failed to allocate beacon descriptors: %d\n", error);
 		goto err;
 	}
 
diff --git a/drivers/net/wireless/ath/debug.c b/drivers/net/wireless/ath/debug.c
new file mode 100644
index 00000000000..53e77bd131b
--- /dev/null
+++ b/drivers/net/wireless/ath/debug.c
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2009 Atheros Communications Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "ath.h"
+#include "debug.h"
+
+void ath_print(struct ath_common *common, int dbg_mask, const char *fmt, ...)
+{
+	va_list args;
+
+	if (likely(!(common->debug_mask & dbg_mask)))
+		return;
+
+	va_start(args, fmt);
+	printk(KERN_DEBUG "ath: ");
+	vprintk(fmt, args);
+	va_end(args);
+}
+EXPORT_SYMBOL(ath_print);
diff --git a/drivers/net/wireless/ath/debug.h b/drivers/net/wireless/ath/debug.h
new file mode 100644
index 00000000000..d6b685a06c5
--- /dev/null
+++ b/drivers/net/wireless/ath/debug.h
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef ATH_DEBUG_H
+#define ATH_DEBUG_H
+
+#include "ath.h"
+
+/**
+ * enum ath_debug_level - atheros wireless debug level
+ *
+ * @ATH_DBG_RESET: reset processing
+ * @ATH_DBG_QUEUE: hardware queue management
+ * @ATH_DBG_EEPROM: eeprom processing
+ * @ATH_DBG_CALIBRATE: periodic calibration
+ * @ATH_DBG_INTERRUPT: interrupt processing
+ * @ATH_DBG_REGULATORY: regulatory processing
+ * @ATH_DBG_ANI: adaptive noise immunitive processing
+ * @ATH_DBG_XMIT: basic xmit operation
+ * @ATH_DBG_BEACON: beacon handling
+ * @ATH_DBG_CONFIG: configuration of the hardware
+ * @ATH_DBG_FATAL: fatal errors, this is the default, DBG_DEFAULT
+ * @ATH_DBG_PS: power save processing
+ * @ATH_DBG_HWTIMER: hardware timer handling
+ * @ATH_DBG_BTCOEX: bluetooth coexistance
+ * @ATH_DBG_ANY: enable all debugging
+ *
+ * The debug level is used to control the amount and type of debugging output
+ * we want to see. Each driver has its own method for enabling debugging and
+ * modifying debug level states -- but this is typically done through a
+ * module parameter 'debug' along with a respective 'debug' debugfs file
+ * entry.
+ */
+enum ATH_DEBUG {
+	ATH_DBG_RESET		= 0x00000001,
+	ATH_DBG_QUEUE		= 0x00000002,
+	ATH_DBG_EEPROM		= 0x00000004,
+	ATH_DBG_CALIBRATE	= 0x00000008,
+	ATH_DBG_INTERRUPT	= 0x00000010,
+	ATH_DBG_REGULATORY	= 0x00000020,
+	ATH_DBG_ANI		= 0x00000040,
+	ATH_DBG_XMIT		= 0x00000080,
+	ATH_DBG_BEACON		= 0x00000100,
+	ATH_DBG_CONFIG		= 0x00000200,
+	ATH_DBG_FATAL		= 0x00000400,
+	ATH_DBG_PS		= 0x00000800,
+	ATH_DBG_HWTIMER		= 0x00001000,
+	ATH_DBG_BTCOEX		= 0x00002000,
+	ATH_DBG_ANY		= 0xffffffff
+};
+
+#define ATH_DBG_DEFAULT (ATH_DBG_FATAL)
+
+#ifdef CONFIG_ATH_DEBUG
+void ath_print(struct ath_common *common, int dbg_mask, const char *fmt, ...);
+#else
+static inline void ath_print(struct ath_common *common,
+			     int dbg_mask,
+			     const char *fmt, ...)
+{
+}
+#endif /* CONFIG_ATH_DEBUG */
+
+#endif /* ATH_DEBUG_H */
-- 
GitLab


From 43c2761364b77cd7fd20eb1f14cfee4cd1462abd Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Sun, 13 Sep 2009 21:07:07 -0700
Subject: [PATCH 0094/1815] atheros: move tx/rx chainmask to ath_common

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath.h          |  3 +++
 drivers/net/wireless/ath/ath9k/ath9k.h  |  2 --
 drivers/net/wireless/ath/ath9k/beacon.c |  3 ++-
 drivers/net/wireless/ath/ath9k/hw.c     |  4 +--
 drivers/net/wireless/ath/ath9k/main.c   | 34 +++++++++++++++----------
 drivers/net/wireless/ath/ath9k/xmit.c   |  3 ++-
 6 files changed, 30 insertions(+), 19 deletions(-)

diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h
index 2ca9701181e..38ca68ee09c 100644
--- a/drivers/net/wireless/ath/ath.h
+++ b/drivers/net/wireless/ath/ath.h
@@ -56,6 +56,9 @@ struct ath_common {
 	u8 curbssid[ETH_ALEN];
 	u8 bssidmask[ETH_ALEN];
 
+	u8 tx_chainmask;
+	u8 rx_chainmask;
+
 	struct ath_regulatory regulatory;
 	const struct ath_ops *ops;
 };
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 9864461ecb5..46d19e863d3 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -586,8 +586,6 @@ struct ath_softc {
 	u16 curtxpow;
 	u8 nbcnvifs;
 	u16 nvifs;
-	u8 tx_chainmask;
-	u8 rx_chainmask;
 	u32 keymax;
 	DECLARE_BITMAP(keymap, ATH_KEYMAX);
 	u8 splitmic;
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index 2f003132463..54be876639a 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -62,6 +62,7 @@ static void ath_beacon_setup(struct ath_softc *sc, struct ath_vif *avp,
 {
 	struct sk_buff *skb = bf->bf_mpdu;
 	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath_desc *ds;
 	struct ath9k_11n_rate_series series[4];
 	const struct ath_rate_table *rt;
@@ -109,7 +110,7 @@ static void ath_beacon_setup(struct ath_softc *sc, struct ath_vif *avp,
 	memset(series, 0, sizeof(struct ath9k_11n_rate_series) * 4);
 	series[0].Tries = 1;
 	series[0].Rate = rate;
-	series[0].ChSel = sc->tx_chainmask;
+	series[0].ChSel = common->tx_chainmask;
 	series[0].RateFlags = (ctsrate) ? ATH9K_RATESERIES_RTS_CTS : 0;
 	ath9k_hw_set11n_ratescenario(ah, ds, ds, 0, ctsrate, ctsduration,
 				     series, 4, 0);
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 8ecd1b0bdf8..edf91d0fbb1 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2334,8 +2334,8 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 	int i, rx_chainmask, r;
 
 	ah->extprotspacing = sc->ht_extprotspacing;
-	ah->txchainmask = sc->tx_chainmask;
-	ah->rxchainmask = sc->rx_chainmask;
+	ah->txchainmask = common->tx_chainmask;
+	ah->rxchainmask = common->rx_chainmask;
 
 	if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
 		return -EIO;
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index f409bbc3053..7906b796dea 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -438,8 +438,11 @@ static void ath_ani_calibrate(unsigned long data)
 
 		/* Perform calibration if necessary */
 		if (longcal || shortcal) {
-			sc->ani.caldone = ath9k_hw_calibrate(ah, ah->curchan,
-						     sc->rx_chainmask, longcal);
+			sc->ani.caldone =
+				ath9k_hw_calibrate(ah,
+						   ah->curchan,
+						   common->rx_chainmask,
+						   longcal);
 
 			if (longcal)
 				sc->ani.noise_floor = ath9k_hw_getchan_noise(ah,
@@ -492,19 +495,21 @@ static void ath_start_ani(struct ath_softc *sc)
 void ath_update_chainmask(struct ath_softc *sc, int is_ht)
 {
 	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
 
 	if ((sc->sc_flags & SC_OP_SCANNING) || is_ht ||
 	    (ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE)) {
-		sc->tx_chainmask = sc->sc_ah->caps.tx_chainmask;
-		sc->rx_chainmask = sc->sc_ah->caps.rx_chainmask;
+		common->tx_chainmask = ah->caps.tx_chainmask;
+		common->rx_chainmask = ah->caps.rx_chainmask;
 	} else {
-		sc->tx_chainmask = 1;
-		sc->rx_chainmask = 1;
+		common->tx_chainmask = 1;
+		common->rx_chainmask = 1;
 	}
 
-	ath_print(ath9k_hw_common(ah), ATH_DBG_CONFIG,
+	ath_print(common, ATH_DBG_CONFIG,
 		  "tx chmask: %d, rx chmask: %d\n",
-		  sc->tx_chainmask, sc->rx_chainmask);
+		  common->tx_chainmask,
+		  common->rx_chainmask);
 }
 
 static void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta)
@@ -949,6 +954,7 @@ static void ath_key_delete(struct ath_softc *sc, struct ieee80211_key_conf *key)
 static void setup_ht_cap(struct ath_softc *sc,
 			 struct ieee80211_sta_ht_cap *ht_info)
 {
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	u8 tx_streams, rx_streams;
 
 	ht_info->ht_supported = true;
@@ -962,11 +968,13 @@ static void setup_ht_cap(struct ath_softc *sc,
 
 	/* set up supported mcs set */
 	memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
-	tx_streams = !(sc->tx_chainmask & (sc->tx_chainmask - 1)) ? 1 : 2;
-	rx_streams = !(sc->rx_chainmask & (sc->rx_chainmask - 1)) ? 1 : 2;
+	tx_streams = !(common->tx_chainmask & (common->tx_chainmask - 1)) ?
+		     1 : 2;
+	rx_streams = !(common->rx_chainmask & (common->rx_chainmask - 1)) ?
+		     1 : 2;
 
 	if (tx_streams != rx_streams) {
-		ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_CONFIG,
+		ath_print(common, ATH_DBG_CONFIG,
 			  "TX streams %d, RX streams: %d\n",
 			  tx_streams, rx_streams);
 		ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF;
@@ -1759,8 +1767,8 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
 		sc->sc_flags |= SC_OP_RXAGGR;
 	}
 
-	sc->tx_chainmask = ah->caps.tx_chainmask;
-	sc->rx_chainmask = ah->caps.rx_chainmask;
+	common->tx_chainmask = ah->caps.tx_chainmask;
+	common->rx_chainmask = ah->caps.rx_chainmask;
 
 	ath9k_hw_setcapability(ah, ATH9K_CAP_DIVERSITY, 1, true, NULL);
 	sc->rx.defant = ath9k_hw_getdefantenna(ah);
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 36650505d2f..f302652af39 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1456,6 +1456,7 @@ static u32 ath_pkt_duration(struct ath_softc *sc, u8 rix, struct ath_buf *bf,
 
 static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf)
 {
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	const struct ath_rate_table *rt = sc->cur_rate_table;
 	struct ath9k_11n_rate_series series[4];
 	struct sk_buff *skb;
@@ -1511,7 +1512,7 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf)
 
 		rix = rates[i].idx;
 		series[i].Tries = rates[i].count;
-		series[i].ChSel = sc->tx_chainmask;
+		series[i].ChSel = common->tx_chainmask;
 
 		if (rates[i].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
 			series[i].Rate = rt->info[rix].ratecode |
-- 
GitLab


From 6420014ca4a6b0e853c9a19a8649d93682a5bdac Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Sun, 13 Sep 2009 22:05:04 -0700
Subject: [PATCH 0095/1815] ath9k: remove ath9k 25 MHz HT40 spacing stuff

This was for supporting 25 MHz spacing for HT40, this is not used
as we use 20 MHz spacing instead for HT40 as per 802.11n. The hardware
is capable of it though so we leave the phymode definition and EEPROM
parsing for it. If some experimenter wants to work on this stuff stuff
you can add an extension enabling bool on ath_common and perhaps some
debugfs knob to enable it. Keep in mind you'll also need to update the
phymode with the AR_PHY_FC_DYN2040_EXT_CH which has been left on the
driver.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/ath9k.h | 1 -
 drivers/net/wireless/ath/ath9k/hw.c    | 8 ++------
 drivers/net/wireless/ath/ath9k/hw.h    | 1 -
 drivers/net/wireless/ath/ath9k/mac.h   | 5 -----
 drivers/net/wireless/ath/ath9k/phy.h   | 1 +
 5 files changed, 3 insertions(+), 13 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 46d19e863d3..e93ab631a09 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -592,7 +592,6 @@ struct ath_softc {
 	bool ps_enabled;
 	unsigned long ps_usecount;
 	enum ath9k_int imask;
-	enum ath9k_ht_extprotspacing ht_extprotspacing;
 	enum ath9k_ht_macmode tx_chan_width;
 
 	struct ath_config config;
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index edf91d0fbb1..6d2ac33a276 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -213,10 +213,9 @@ void ath9k_hw_get_channel_centers(struct ath_hw *ah,
 
 	centers->ctl_center =
 		centers->synth_center - (extoff * HT40_CHANNEL_CENTER_SHIFT);
+	/* 25 MHz spacing is supported by hw but not on upper layers */
 	centers->ext_center =
-		centers->synth_center + (extoff *
-			 ((ah->extprotspacing == ATH9K_HT_EXTPROTSPACING_20) ?
-			  HT40_CHANNEL_CENTER_SHIFT : 15));
+		centers->synth_center + (extoff * HT40_CHANNEL_CENTER_SHIFT);
 }
 
 /******************/
@@ -1759,8 +1758,6 @@ static void ath9k_hw_set_regs(struct ath_hw *ah, struct ath9k_channel *chan,
 		    (chan->chanmode == CHANNEL_G_HT40PLUS))
 			phymode |= AR_PHY_FC_DYN2040_PRI_CH;
 
-		if (ah->extprotspacing == ATH9K_HT_EXTPROTSPACING_25)
-			phymode |= AR_PHY_FC_DYN2040_EXT_CH;
 	}
 	REG_WRITE(ah, AR_PHY_TURBO, phymode);
 
@@ -2333,7 +2330,6 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 	u64 tsf = 0;
 	int i, rx_chainmask, r;
 
-	ah->extprotspacing = sc->ht_extprotspacing;
 	ah->txchainmask = common->tx_chainmask;
 	ah->rxchainmask = common->rx_chainmask;
 
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 1c73f81a595..53ffe2a9e22 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -563,7 +563,6 @@ struct ath_hw {
 	struct ath_btcoex_hw btcoex_hw;
 
 	u32 intr_txqs;
-	enum ath9k_ht_extprotspacing extprotspacing;
 	u8 txchainmask;
 	u8 rxchainmask;
 
diff --git a/drivers/net/wireless/ath/ath9k/mac.h b/drivers/net/wireless/ath/ath9k/mac.h
index f56e77da6c3..767256dccb4 100644
--- a/drivers/net/wireless/ath/ath9k/mac.h
+++ b/drivers/net/wireless/ath/ath9k/mac.h
@@ -619,11 +619,6 @@ enum ath9k_ht_macmode {
 	ATH9K_HT_MACMODE_2040 = 1,
 };
 
-enum ath9k_ht_extprotspacing {
-	ATH9K_HT_EXTPROTSPACING_20 = 0,
-	ATH9K_HT_EXTPROTSPACING_25 = 1,
-};
-
 struct ath_hw;
 struct ath9k_channel;
 struct ath_rate_table;
diff --git a/drivers/net/wireless/ath/ath9k/phy.h b/drivers/net/wireless/ath/ath9k/phy.h
index dfda6f44464..140fef74c66 100644
--- a/drivers/net/wireless/ath/ath9k/phy.h
+++ b/drivers/net/wireless/ath/ath9k/phy.h
@@ -45,6 +45,7 @@ bool ath9k_hw_init_rf(struct ath_hw *ah,
 #define AR_PHY_FC_DYN2040_EN        0x00000004
 #define AR_PHY_FC_DYN2040_PRI_ONLY  0x00000008
 #define AR_PHY_FC_DYN2040_PRI_CH    0x00000010
+/* For 25 MHz channel spacing -- not used but supported by hw */
 #define AR_PHY_FC_DYN2040_EXT_CH    0x00000020
 #define AR_PHY_FC_HT_EN             0x00000040
 #define AR_PHY_FC_SHORT_GI_40       0x00000080
-- 
GitLab


From 25c56eec92b15fdec5be96fa1303dac3443200ae Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Sun, 13 Sep 2009 23:04:44 -0700
Subject: [PATCH 0096/1815] ath9k: remove ath9k_ht_macmode

This is used just to determine how to program the MAC,
either for 20 MHz operation of 40 MHz so just use conf_is_ht40()

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/ath9k.h |  1 -
 drivers/net/wireless/ath/ath9k/hw.c    | 29 +++++++++++---------------
 drivers/net/wireless/ath/ath9k/hw.h    |  2 +-
 drivers/net/wireless/ath/ath9k/mac.h   |  5 -----
 drivers/net/wireless/ath/ath9k/main.c  | 13 ++++--------
 5 files changed, 17 insertions(+), 33 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index e93ab631a09..73c2ac55937 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -592,7 +592,6 @@ struct ath_softc {
 	bool ps_enabled;
 	unsigned long ps_usecount;
 	enum ath9k_int imask;
-	enum ath9k_ht_macmode tx_chan_width;
 
 	struct ath_config config;
 	struct ath_rx rx;
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 6d2ac33a276..9d03d27a7dc 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -26,8 +26,7 @@
 #define ATH9K_CLOCK_RATE_2GHZ_OFDM	44
 
 static bool ath9k_hw_set_reset_reg(struct ath_hw *ah, u32 type);
-static void ath9k_hw_set_regs(struct ath_hw *ah, struct ath9k_channel *chan,
-			      enum ath9k_ht_macmode macmode);
+static void ath9k_hw_set_regs(struct ath_hw *ah, struct ath9k_channel *chan);
 static u32 ath9k_hw_ini_fixup(struct ath_hw *ah,
 			      struct ar5416_eeprom_def *pEepData,
 			      u32 reg, u32 value);
@@ -1352,8 +1351,7 @@ static u32 ath9k_regd_get_ctl(struct ath_regulatory *reg,
 }
 
 static int ath9k_hw_process_ini(struct ath_hw *ah,
-				struct ath9k_channel *chan,
-				enum ath9k_ht_macmode macmode)
+				struct ath9k_channel *chan)
 {
 	struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
 	int i, regWrites = 0;
@@ -1455,7 +1453,7 @@ static int ath9k_hw_process_ini(struct ath_hw *ah,
 	}
 
 	ath9k_hw_override_ini(ah, chan);
-	ath9k_hw_set_regs(ah, chan, macmode);
+	ath9k_hw_set_regs(ah, chan);
 	ath9k_hw_init_chain_masks(ah);
 
 	if (OLC_FOR_AR9280_20_LATER)
@@ -1738,8 +1736,7 @@ static bool ath9k_hw_set_reset_reg(struct ath_hw *ah, u32 type)
 	}
 }
 
-static void ath9k_hw_set_regs(struct ath_hw *ah, struct ath9k_channel *chan,
-			      enum ath9k_ht_macmode macmode)
+static void ath9k_hw_set_regs(struct ath_hw *ah, struct ath9k_channel *chan)
 {
 	u32 phymode;
 	u32 enableDacFifo = 0;
@@ -1761,7 +1758,7 @@ static void ath9k_hw_set_regs(struct ath_hw *ah, struct ath9k_channel *chan,
 	}
 	REG_WRITE(ah, AR_PHY_TURBO, phymode);
 
-	ath9k_hw_set11nmac2040(ah, macmode);
+	ath9k_hw_set11nmac2040(ah);
 
 	REG_WRITE(ah, AR_GTXTO, 25 << AR_GTXTO_TIMEOUT_LIMIT_S);
 	REG_WRITE(ah, AR_CST, 0xF << AR_CST_TIMEOUT_LIMIT_S);
@@ -1787,8 +1784,7 @@ static bool ath9k_hw_chip_reset(struct ath_hw *ah,
 }
 
 static bool ath9k_hw_channel_change(struct ath_hw *ah,
-				    struct ath9k_channel *chan,
-				    enum ath9k_ht_macmode macmode)
+				    struct ath9k_channel *chan)
 {
 	struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
 	struct ath_common *common = ath9k_hw_common(ah);
@@ -1812,7 +1808,7 @@ static bool ath9k_hw_channel_change(struct ath_hw *ah,
 		return false;
 	}
 
-	ath9k_hw_set_regs(ah, chan, macmode);
+	ath9k_hw_set_regs(ah, chan);
 
 	if (AR_SREV_9280_10_OR_LATER(ah)) {
 		ath9k_hw_ar9280_set_channel(ah, chan);
@@ -2323,7 +2319,6 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 {
 	struct ath_common *common = ath9k_hw_common(ah);
 	u32 saveLedState;
-	struct ath_softc *sc = ah->ah_sc;
 	struct ath9k_channel *curchan = ah->curchan;
 	u32 saveDefAntenna;
 	u32 macStaId1;
@@ -2348,7 +2343,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 	     !(AR_SREV_9280(ah) || IS_CHAN_A_5MHZ_SPACED(chan) ||
 	     IS_CHAN_A_5MHZ_SPACED(ah->curchan))) {
 
-		if (ath9k_hw_channel_change(ah, chan, sc->tx_chan_width)) {
+		if (ath9k_hw_channel_change(ah, chan)) {
 			ath9k_hw_loadnf(ah, ah->curchan);
 			ath9k_hw_start_nfcal(ah);
 			return 0;
@@ -2408,7 +2403,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 		REG_SET_BIT(ah, AR_MAC_PCU_ASYNC_FIFO_REG3,
 				AR_MAC_PCU_ASYNC_FIFO_REG3_SOFT_RESET);
 	}
-	r = ath9k_hw_process_ini(ah, chan, sc->tx_chan_width);
+	r = ath9k_hw_process_ini(ah, chan);
 	if (r)
 		return r;
 
@@ -4063,12 +4058,12 @@ bool ath9k_hw_setslottime(struct ath_hw *ah, u32 us)
 	}
 }
 
-void ath9k_hw_set11nmac2040(struct ath_hw *ah, enum ath9k_ht_macmode mode)
+void ath9k_hw_set11nmac2040(struct ath_hw *ah)
 {
+	struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
 	u32 macmode;
 
-	if (mode == ATH9K_HT_MACMODE_2040 &&
-	    !ah->config.cwm_ignore_extcca)
+	if (conf_is_ht40(conf) && !ah->config.cwm_ignore_extcca)
 		macmode = AR_2040_JOINED_RX_CLEAR;
 	else
 		macmode = 0;
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 53ffe2a9e22..92770cbc744 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -662,7 +662,7 @@ void ath9k_hw_settsf64(struct ath_hw *ah, u64 tsf64);
 void ath9k_hw_reset_tsf(struct ath_hw *ah);
 void ath9k_hw_set_tsfadjust(struct ath_hw *ah, u32 setting);
 bool ath9k_hw_setslottime(struct ath_hw *ah, u32 us);
-void ath9k_hw_set11nmac2040(struct ath_hw *ah, enum ath9k_ht_macmode mode);
+void ath9k_hw_set11nmac2040(struct ath_hw *ah);
 void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period);
 void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,
 				    const struct ath9k_beacon_state *bs);
diff --git a/drivers/net/wireless/ath/ath9k/mac.h b/drivers/net/wireless/ath/ath9k/mac.h
index 767256dccb4..9ab343151be 100644
--- a/drivers/net/wireless/ath/ath9k/mac.h
+++ b/drivers/net/wireless/ath/ath9k/mac.h
@@ -614,11 +614,6 @@ enum ath9k_cipher {
 	ATH9K_CIPHER_MIC = 127
 };
 
-enum ath9k_ht_macmode {
-	ATH9K_HT_MACMODE_20 = 0,
-	ATH9K_HT_MACMODE_2040 = 1,
-};
-
 struct ath_hw;
 struct ath9k_channel;
 struct ath_rate_table;
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 7906b796dea..e9aac3cbd4d 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -299,6 +299,7 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
 {
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath_common *common = ath9k_hw_common(ah);
+	struct ieee80211_conf *conf = &common->hw->conf;
 	bool fastcc = true, stopped;
 	struct ieee80211_channel *channel = hw->conf.channel;
 	int r;
@@ -329,9 +330,9 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
 		fastcc = false;
 
 	ath_print(common, ATH_DBG_CONFIG,
-		  "(%u MHz) -> (%u MHz), chanwidth: %d\n",
+		  "(%u MHz) -> (%u MHz), conf_is_ht40: %d\n",
 		  sc->sc_ah->curchan->channel,
-		  channel->center_freq, sc->tx_chan_width);
+		  channel->center_freq, conf_is_ht40(conf));
 
 	spin_lock_bh(&sc->sc_resetlock);
 
@@ -2191,15 +2192,9 @@ void ath9k_update_ichannel(struct ath_softc *sc, struct ieee80211_hw *hw,
 		ichan->channelFlags = CHANNEL_5GHZ | CHANNEL_OFDM;
 	}
 
-	sc->tx_chan_width = ATH9K_HT_MACMODE_20;
-
-	if (conf_is_ht(conf)) {
-		if (conf_is_ht40(conf))
-			sc->tx_chan_width = ATH9K_HT_MACMODE_2040;
-
+	if (conf_is_ht(conf))
 		ichan->chanmode = ath_get_extchanmode(sc, chan,
 					    conf->channel_type);
-	}
 }
 
 /**********************/
-- 
GitLab


From e3d01bfc3ea4f17c9e91bb930f10062efb0c86eb Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Sun, 13 Sep 2009 23:11:13 -0700
Subject: [PATCH 0097/1815] ath9k: move ATH_AMPDU_LIMIT_MAX to hw.h

This is used by hw code.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/ath9k.h | 1 -
 drivers/net/wireless/ath/ath9k/hw.h    | 2 ++
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 73c2ac55937..f3b5a609554 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -189,7 +189,6 @@ void ath_descdma_cleanup(struct ath_softc *sc, struct ath_descdma *dd,
 /* minimum h/w qdepth to be sustained to maximize aggregation */
 #define ATH_AGGR_MIN_QDEPTH        2
 #define ATH_AMPDU_SUBFRAME_DEFAULT 32
-#define ATH_AMPDU_LIMIT_MAX        (64 * 1024 - 1)
 
 #define IEEE80211_SEQ_SEQ_SHIFT    4
 #define IEEE80211_SEQ_MAX          4096
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 92770cbc744..35a3224b56f 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -51,6 +51,8 @@
 #define AT9285_COEX3WIRE_SA_SUBSYSID	0x30aa
 #define AT9285_COEX3WIRE_DA_SUBSYSID	0x30ab
 
+#define ATH_AMPDU_LIMIT_MAX        (64 * 1024 - 1)
+
 /* Register read/write primitives */
 #define REG_WRITE(_ah, _reg, _val) \
 	ath9k_hw_common(_ah)->ops->write((_ah), (_val), (_reg))
-- 
GitLab


From 9680e8a391078a2bfa099b2c59542a6916a023ed Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Sun, 13 Sep 2009 23:28:00 -0700
Subject: [PATCH 0098/1815] ath9k: remove driver ASSERT, just use BUG_ON()

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/ath9k.h |  2 --
 drivers/net/wireless/ath/ath9k/hw.c    |  2 +-
 drivers/net/wireless/ath/ath9k/main.c  |  4 ++--
 drivers/net/wireless/ath/ath9k/rc.c    |  8 ++++----
 drivers/net/wireless/ath/ath9k/recv.c  |  2 +-
 drivers/net/wireless/ath/ath9k/xmit.c  | 12 ++++++------
 6 files changed, 14 insertions(+), 16 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index f3b5a609554..e512d519c59 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -54,8 +54,6 @@ struct ath_node;
 
 #define A_MAX(a, b) ((a) > (b) ? (a) : (b))
 
-#define ASSERT(exp) BUG_ON(!(exp))
-
 #define TSF_TO_TU(_h,_l) \
 	((((u32)(_h)) << 22) | (((u32)(_l)) >> 10))
 
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 9d03d27a7dc..93da19cbff1 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -3814,7 +3814,7 @@ void ath9k_hw_cfg_gpio_input(struct ath_hw *ah, u32 gpio)
 {
 	u32 gpio_shift;
 
-	ASSERT(gpio < ah->caps.num_gpio_pins);
+	BUG_ON(gpio >= ah->caps.num_gpio_pins);
 
 	gpio_shift = gpio << 1;
 
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index e9aac3cbd4d..0d8977341b2 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -2030,7 +2030,7 @@ int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
 	if ((sizeof(struct ath_desc) % 4) != 0) {
 		ath_print(common, ATH_DBG_FATAL,
 			  "ath_desc not DWORD aligned\n");
-		ASSERT((sizeof(struct ath_desc) % 4) == 0);
+		BUG_ON((sizeof(struct ath_desc) % 4) != 0);
 		error = -ENOMEM;
 		goto fail;
 	}
@@ -2088,7 +2088,7 @@ int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
 			 * descriptor fetch.
 			 */
 			while (ATH_DESC_4KB_BOUND_CHECK(bf->bf_daddr)) {
-				ASSERT((caddr_t) bf->bf_desc <
+				BUG_ON((caddr_t) bf->bf_desc >=
 				       ((caddr_t) dd->dd_desc +
 					dd->dd_desc_len));
 
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index 7346649af2d..063936423d8 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -425,7 +425,7 @@ static void ath_rc_init_valid_txmask(struct ath_rate_priv *ath_rc_priv)
 static inline void ath_rc_set_valid_txmask(struct ath_rate_priv *ath_rc_priv,
 					   u8 index, int valid_tx_rate)
 {
-	ASSERT(index <= ath_rc_priv->rate_table_size);
+	BUG_ON(index > ath_rc_priv->rate_table_size);
 	ath_rc_priv->valid_rate_index[index] = valid_tx_rate ? 1 : 0;
 }
 
@@ -1243,7 +1243,7 @@ static void ath_rc_init(struct ath_softc *sc,
 
 	ath_rc_priv->rate_table_size = hi + 1;
 	ath_rc_priv->rate_max_phy = 0;
-	ASSERT(ath_rc_priv->rate_table_size <= RATE_TABLE_SIZE);
+	BUG_ON(ath_rc_priv->rate_table_size > RATE_TABLE_SIZE);
 
 	for (i = 0, k = 0; i < WLAN_RC_PHY_MAX; i++) {
 		for (j = 0; j < ath_rc_priv->valid_phy_ratecnt[i]; j++) {
@@ -1257,8 +1257,8 @@ static void ath_rc_init(struct ath_softc *sc,
 
 		ath_rc_priv->rate_max_phy = ath_rc_priv->valid_phy_rateidx[i][j-1];
 	}
-	ASSERT(ath_rc_priv->rate_table_size <= RATE_TABLE_SIZE);
-	ASSERT(k <= RATE_TABLE_SIZE);
+	BUG_ON(ath_rc_priv->rate_table_size > RATE_TABLE_SIZE);
+	BUG_ON(k > RATE_TABLE_SIZE);
 
 	ath_rc_priv->max_valid_rate = k;
 	ath_rc_sort_validrates(rate_table, ath_rc_priv);
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 6caef1b5dfe..3a2204d8470 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -59,7 +59,7 @@ static void ath_rx_buf_link(struct ath_softc *sc, struct ath_buf *bf)
 
 	/* virtual addr of the beginning of the buffer. */
 	skb = bf->bf_mpdu;
-	ASSERT(skb != NULL);
+	BUG_ON(skb == NULL);
 	ds->ds_vdata = skb->data;
 
 	/* setup rx descriptors. The rx.bufsize here tells the harware
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index f302652af39..a8620b1d091 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -107,7 +107,7 @@ static void ath_tx_resume_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
 {
 	struct ath_txq *txq = &sc->tx.txq[tid->ac->qnum];
 
-	ASSERT(tid->paused > 0);
+	BUG_ON(tid->paused <= 0);
 	spin_lock_bh(&txq->axq_lock);
 
 	tid->paused--;
@@ -131,7 +131,7 @@ static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
 	struct list_head bf_head;
 	INIT_LIST_HEAD(&bf_head);
 
-	ASSERT(tid->paused > 0);
+	BUG_ON(tid->paused <= 0);
 	spin_lock_bh(&txq->axq_lock);
 
 	tid->paused--;
@@ -143,7 +143,7 @@ static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
 
 	while (!list_empty(&tid->buf_q)) {
 		bf = list_first_entry(&tid->buf_q, struct ath_buf, list);
-		ASSERT(!bf_isretried(bf));
+		BUG_ON(bf_isretried(bf));
 		list_move_tail(&bf->list, &bf_head);
 		ath_tx_send_ht_normal(sc, txq, tid, &bf_head);
 	}
@@ -178,7 +178,7 @@ static void ath_tx_addto_baw(struct ath_softc *sc, struct ath_atx_tid *tid,
 	index  = ATH_BA_INDEX(tid->seq_start, bf->bf_seqno);
 	cindex = (tid->baw_head + index) & (ATH_TID_MAX_BUFS - 1);
 
-	ASSERT(tid->tx_buf[cindex] == NULL);
+	BUG_ON(tid->tx_buf[cindex] != NULL);
 	tid->tx_buf[cindex] = bf;
 
 	if (index >= ((tid->baw_tail - tid->baw_head) &
@@ -358,7 +358,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
 			else
 				INIT_LIST_HEAD(&bf_head);
 		} else {
-			ASSERT(!list_empty(bf_q));
+			BUG_ON(list_empty(bf_q));
 			list_move_tail(&bf->list, &bf_head);
 		}
 
@@ -946,7 +946,7 @@ int ath_txq_update(struct ath_softc *sc, int qnum,
 		return 0;
 	}
 
-	ASSERT(sc->tx.txq[qnum].axq_qnum == qnum);
+	BUG_ON(sc->tx.txq[qnum].axq_qnum != qnum);
 
 	ath9k_hw_get_txq_props(ah, qnum, &qi);
 	qi.tqi_aifs = qinfo->tqi_aifs;
-- 
GitLab


From cfe8cba982cda73d4970dab712411bebdcc3b9cd Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Sun, 13 Sep 2009 23:39:31 -0700
Subject: [PATCH 0099/1815] ath9k: clarify what hw code is and remove ath9k.h
 from a few files

hw code will be shared between ath9k and ath9k_htc.
Just a few more files are left to clean up, mark them as well.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/Makefile      | 14 +++++++++-----
 drivers/net/wireless/ath/ath9k/ani.c         |  2 +-
 drivers/net/wireless/ath/ath9k/ath9k.h       |  1 -
 drivers/net/wireless/ath/ath9k/btcoex.c      |  2 +-
 drivers/net/wireless/ath/ath9k/calib.c       |  1 -
 drivers/net/wireless/ath/ath9k/eeprom_4k.c   |  1 -
 drivers/net/wireless/ath/ath9k/eeprom_9287.c |  1 -
 drivers/net/wireless/ath/ath9k/eeprom_def.c  |  1 -
 drivers/net/wireless/ath/ath9k/hw.c          |  2 +-
 drivers/net/wireless/ath/ath9k/hw.h          |  2 ++
 drivers/net/wireless/ath/ath9k/mac.c         |  1 -
 drivers/net/wireless/ath/ath9k/phy.c         |  2 +-
 12 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/Makefile b/drivers/net/wireless/ath/ath9k/Makefile
index ff2c9a26c10..f85dc823577 100644
--- a/drivers/net/wireless/ath/ath9k/Makefile
+++ b/drivers/net/wireless/ath/ath9k/Makefile
@@ -1,19 +1,23 @@
-ath9k-y +=	hw.o \
-		eeprom.o \
+ATH9K_HW_FIX +=	eeprom.o \
+		mac.o \
+
+ATH9K_HW +=	hw.o \
 		eeprom_def.o \
 		eeprom_4k.o \
 		eeprom_9287.o \
-		mac.o \
 		calib.o \
 		ani.o \
 		phy.o \
+		btcoex.o
+
+ath9k-y +=	$(ATH9K_HW) \
+		$(ATH9K_HW_FIX) \
 		beacon.o \
 		main.o \
 		recv.o \
 		xmit.o \
 		virtual.o \
-		rc.o \
-		btcoex.o
+		rc.o
 
 ath9k-$(CONFIG_PCI) += pci.o
 ath9k-$(CONFIG_ATHEROS_AR71XX) += ahb.o
diff --git a/drivers/net/wireless/ath/ath9k/ani.c b/drivers/net/wireless/ath/ath9k/ani.c
index bb0a6d98527..ecb23f302c3 100644
--- a/drivers/net/wireless/ath/ath9k/ani.c
+++ b/drivers/net/wireless/ath/ath9k/ani.c
@@ -14,7 +14,7 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#include "ath9k.h"
+#include "hw.h"
 
 static int ath9k_hw_get_ani_channel_idx(struct ath_hw *ah,
 					struct ath9k_channel *chan)
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index e512d519c59..9aff11da379 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -499,7 +499,6 @@ struct ath_led {
  * Used when PCI device not fully initialized by bootrom/BIOS
 */
 #define DEFAULT_CACHELINE       32
-#define	ATH_DEFAULT_NOISE_FLOOR -95
 #define ATH_REGCLASSIDS_MAX     10
 #define ATH_CABQ_READY_TIME     80      /* % of beacon interval */
 #define ATH_MAX_SW_RETRIES      10
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c
index 5d1095f18d7..0c54489ca44 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.c
+++ b/drivers/net/wireless/ath/ath9k/btcoex.c
@@ -14,7 +14,7 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#include "ath9k.h"
+#include "hw.h"
 
 enum ath_bt_mode {
 	ATH_BT_COEX_MODE_LEGACY,        /* legacy rx_clear mode */
diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c
index 2a2212465ea..36c5f89e2fc 100644
--- a/drivers/net/wireless/ath/ath9k/calib.c
+++ b/drivers/net/wireless/ath/ath9k/calib.c
@@ -14,7 +14,6 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#include "ath9k.h"
 #include "hw.h"
 
 /* We can tune this as we go by monitoring really low values */
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_4k.c b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
index 079dd201a2d..c2ac85c2aab 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_4k.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
@@ -14,7 +14,6 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#include "ath9k.h"
 #include "hw.h"
 
 static int ath9k_hw_4k_get_eeprom_ver(struct ath_hw *ah)
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_9287.c b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
index 6ffe85de75c..839eed89179 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_9287.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
@@ -14,7 +14,6 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#include "ath9k.h"
 #include "hw.h"
 
 static int ath9k_hw_AR9287_get_eeprom_ver(struct ath_hw *ah)
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_def.c b/drivers/net/wireless/ath/ath9k/eeprom_def.c
index b0687e5bdc1..56e90baf694 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_def.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_def.c
@@ -14,7 +14,6 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#include "ath9k.h"
 #include "hw.h"
 
 static void ath9k_get_txgain_index(struct ath_hw *ah,
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 93da19cbff1..b120c2127e9 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -18,7 +18,7 @@
 #include <asm/unaligned.h>
 
 #include "hw.h"
-#include "ath9k.h"
+#include "rc.h"
 #include "initvals.h"
 
 #define ATH9K_CLOCK_RATE_CCK		22
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 35a3224b56f..874fb11cbac 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -53,6 +53,8 @@
 
 #define ATH_AMPDU_LIMIT_MAX        (64 * 1024 - 1)
 
+#define	ATH_DEFAULT_NOISE_FLOOR -95
+
 /* Register read/write primitives */
 #define REG_WRITE(_ah, _reg, _val) \
 	ath9k_hw_common(_ah)->ops->write((_ah), (_val), (_reg))
diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c
index 926f201ce4f..1796ac773f9 100644
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -15,7 +15,6 @@
  */
 
 #include "ath9k.h"
-#include "hw.h"
 
 static void ath9k_hw_set_txq_interrupts(struct ath_hw *ah,
 					struct ath9k_tx_queue_info *qi)
diff --git a/drivers/net/wireless/ath/ath9k/phy.c b/drivers/net/wireless/ath/ath9k/phy.c
index b2630259976..eec4f1064a6 100644
--- a/drivers/net/wireless/ath/ath9k/phy.c
+++ b/drivers/net/wireless/ath/ath9k/phy.c
@@ -14,7 +14,7 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#include "ath9k.h"
+#include "hw.h"
 
 void
 ath9k_hw_write_regs(struct ath_hw *ah, u32 modesIndex, u32 freqIndex,
-- 
GitLab


From 990b70ab24cbce585a3436c8c88cb48b888d48b4 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Sun, 13 Sep 2009 23:55:05 -0700
Subject: [PATCH 0100/1815] ath9k: move ATH9K_RSSI_BAD to hw.h

mac.c is now core driver independent.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/Makefile | 7 +++----
 drivers/net/wireless/ath/ath9k/ath9k.h  | 1 -
 drivers/net/wireless/ath/ath9k/hw.h     | 2 ++
 drivers/net/wireless/ath/ath9k/mac.c    | 2 +-
 4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/Makefile b/drivers/net/wireless/ath/ath9k/Makefile
index f85dc823577..2f21c67d86c 100644
--- a/drivers/net/wireless/ath/ath9k/Makefile
+++ b/drivers/net/wireless/ath/ath9k/Makefile
@@ -1,6 +1,4 @@
-ATH9K_HW_FIX +=	eeprom.o \
-		mac.o \
-
+ATH9K_HW_FIX +=	eeprom.o
 ATH9K_HW +=	hw.o \
 		eeprom_def.o \
 		eeprom_4k.o \
@@ -8,7 +6,8 @@ ATH9K_HW +=	hw.o \
 		calib.o \
 		ani.o \
 		phy.o \
-		btcoex.o
+		btcoex.o \
+		mac.o \
 
 ath9k-y +=	$(ATH9K_HW) \
 		$(ATH9K_HW_FIX) \
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 9aff11da379..8768e603eb7 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -288,7 +288,6 @@ struct ath_tx_control {
 
 #define ATH_RSSI_LPF_LEN 		10
 #define RSSI_LPF_THRESHOLD		-20
-#define ATH9K_RSSI_BAD			0x80
 #define ATH_RSSI_EP_MULTIPLIER     (1<<7)
 #define ATH_EP_MUL(x, mul)         ((x) * (mul))
 #define ATH_RSSI_IN(x)             (ATH_EP_MUL((x), ATH_RSSI_EP_MULTIPLIER))
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 874fb11cbac..d854c17b868 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -55,6 +55,8 @@
 
 #define	ATH_DEFAULT_NOISE_FLOOR -95
 
+#define ATH9K_RSSI_BAD			0x80
+
 /* Register read/write primitives */
 #define REG_WRITE(_ah, _reg, _val) \
 	ath9k_hw_common(_ah)->ops->write((_ah), (_val), (_reg))
diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c
index 1796ac773f9..3be658d42a5 100644
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -14,7 +14,7 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#include "ath9k.h"
+#include "hw.h"
 
 static void ath9k_hw_set_txq_interrupts(struct ath_hw *ah,
 					struct ath9k_tx_queue_info *qi)
-- 
GitLab


From 5bb127913299b37fceecf66ce86ee8ede70e7d13 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Mon, 14 Sep 2009 00:55:09 -0700
Subject: [PATCH 0101/1815] atheros: move bus ops to ath_common

This is the last part to make ath9k hw code core driver agnostic.
I believe ath9k_htc can now use use the hw code unmodified.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath.h               | 10 ++++++++++
 drivers/net/wireless/ath/ath9k/Makefile      |  3 +--
 drivers/net/wireless/ath/ath9k/ahb.c         | 14 +++++++------
 drivers/net/wireless/ath/ath9k/ath9k.h       | 19 ++++++------------
 drivers/net/wireless/ath/ath9k/eeprom.c      |  8 +++-----
 drivers/net/wireless/ath/ath9k/eeprom.h      |  3 ++-
 drivers/net/wireless/ath/ath9k/eeprom_4k.c   |  4 ++--
 drivers/net/wireless/ath/ath9k/eeprom_9287.c |  7 ++++---
 drivers/net/wireless/ath/ath9k/eeprom_def.c  |  5 +++--
 drivers/net/wireless/ath/ath9k/main.c        | 20 ++++++++++++-------
 drivers/net/wireless/ath/ath9k/pci.c         | 21 +++++++++++++-------
 11 files changed, 66 insertions(+), 48 deletions(-)

diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h
index 38ca68ee09c..e0341fefc92 100644
--- a/drivers/net/wireless/ath/ath.h
+++ b/drivers/net/wireless/ath/ath.h
@@ -45,6 +45,15 @@ struct ath_ops {
         void (*write)(void *, u32 val, u32 reg_offset);
 };
 
+struct ath_common;
+
+struct ath_bus_ops {
+	void		(*read_cachesize)(struct ath_common *common, int *csz);
+	void		(*cleanup)(struct ath_common *common);
+	bool		(*eeprom_read)(struct ath_common *common, u32 off, u16 *data);
+	void		(*bt_coex_prep)(struct ath_common *common);
+};
+
 struct ath_common {
 	void *ah;
 	struct ieee80211_hw *hw;
@@ -61,6 +70,7 @@ struct ath_common {
 
 	struct ath_regulatory regulatory;
 	const struct ath_ops *ops;
+	const struct ath_bus_ops *bus_ops;
 };
 
 struct sk_buff *ath_rxbuf_alloc(struct ath_common *common,
diff --git a/drivers/net/wireless/ath/ath9k/Makefile b/drivers/net/wireless/ath/ath9k/Makefile
index 2f21c67d86c..f3221af73eb 100644
--- a/drivers/net/wireless/ath/ath9k/Makefile
+++ b/drivers/net/wireless/ath/ath9k/Makefile
@@ -1,5 +1,5 @@
-ATH9K_HW_FIX +=	eeprom.o
 ATH9K_HW +=	hw.o \
+		eeprom.o \
 		eeprom_def.o \
 		eeprom_4k.o \
 		eeprom_9287.o \
@@ -10,7 +10,6 @@ ATH9K_HW +=	hw.o \
 		mac.o \
 
 ath9k-y +=	$(ATH9K_HW) \
-		$(ATH9K_HW_FIX) \
 		beacon.o \
 		main.o \
 		recv.o \
diff --git a/drivers/net/wireless/ath/ath9k/ahb.c b/drivers/net/wireless/ath/ath9k/ahb.c
index 095973e8b23..33c9e816718 100644
--- a/drivers/net/wireless/ath/ath9k/ahb.c
+++ b/drivers/net/wireless/ath/ath9k/ahb.c
@@ -22,25 +22,28 @@
 #include "ath9k.h"
 
 /* return bus cachesize in 4B word units */
-static void ath_ahb_read_cachesize(struct ath_softc *sc, int *csz)
+static void ath_ahb_read_cachesize(struct ath_common *common, int *csz)
 {
 	*csz = L1_CACHE_BYTES >> 2;
 }
 
-static void ath_ahb_cleanup(struct ath_softc *sc)
+static void ath_ahb_cleanup(struct ath_common *common)
 {
+	struct ath_hw *ah = (struct ath_hw *) common->ah;
+	struct ath_softc *sc = ah->ah_sc;
 	iounmap(sc->mem);
 }
 
-static bool ath_ahb_eeprom_read(struct ath_hw *ah, u32 off, u16 *data)
+static bool ath_ahb_eeprom_read(struct ath_common *common, u32 off, u16 *data)
 {
+	struct ath_hw *ah = (struct ath_hw *) common->ah;
 	struct ath_softc *sc = ah->ah_sc;
 	struct platform_device *pdev = to_platform_device(sc->dev);
 	struct ath9k_platform_data *pdata;
 
 	pdata = (struct ath9k_platform_data *) pdev->dev.platform_data;
 	if (off >= (ARRAY_SIZE(pdata->eeprom_data))) {
-		ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
+		ath_print(common, ATH_DBG_FATAL,
 			  "%s: flash read failed, offset %08x "
 			  "is out of range\n",
 			  __func__, off);
@@ -117,10 +120,9 @@ static int ath_ahb_probe(struct platform_device *pdev)
 	sc->hw = hw;
 	sc->dev = &pdev->dev;
 	sc->mem = mem;
-	sc->bus_ops = &ath_ahb_bus_ops;
 	sc->irq = irq;
 
-	ret = ath_init_device(AR5416_AR9100_DEVID, sc, 0x0);
+	ret = ath_init_device(AR5416_AR9100_DEVID, sc, 0x0, &ath_ahb_bus_ops);
 	if (ret) {
 		dev_err(&pdev->dev, "failed to initialize device\n");
 		goto err_free_hw;
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 8768e603eb7..14ff38d1f67 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -537,13 +537,6 @@ struct ath_led {
 #define SC_OP_BEACON_SYNC       BIT(19)
 #define SC_OP_BT_PRIORITY_DETECTED BIT(21)
 
-struct ath_bus_ops {
-	void		(*read_cachesize)(struct ath_softc *sc, int *csz);
-	void		(*cleanup)(struct ath_softc *sc);
-	bool		(*eeprom_read)(struct ath_hw *ah, u32 off, u16 *data);
-	void		(*bt_coex_prep)(struct ath_softc *sc);
-};
-
 struct ath_wiphy;
 
 struct ath_softc {
@@ -613,7 +606,6 @@ struct ath_softc {
 #ifdef CONFIG_ATH9K_DEBUG
 	struct ath9k_debug debug;
 #endif
-	struct ath_bus_ops *bus_ops;
 	struct ath_beacon_config cur_beacon_conf;
 	struct delayed_work tx_complete_work;
 	struct ath_btcoex btcoex;
@@ -638,21 +630,22 @@ int ath_get_hal_qnum(u16 queue, struct ath_softc *sc);
 int ath_get_mac80211_qnum(u32 queue, struct ath_softc *sc);
 int ath_cabq_update(struct ath_softc *);
 
-static inline void ath_read_cachesize(struct ath_softc *sc, int *csz)
+static inline void ath_read_cachesize(struct ath_common *common, int *csz)
 {
-	sc->bus_ops->read_cachesize(sc, csz);
+	common->bus_ops->read_cachesize(common, csz);
 }
 
-static inline void ath_bus_cleanup(struct ath_softc *sc)
+static inline void ath_bus_cleanup(struct ath_common *common)
 {
-	sc->bus_ops->cleanup(sc);
+	common->bus_ops->cleanup(common);
 }
 
 extern struct ieee80211_ops ath9k_ops;
 
 irqreturn_t ath_isr(int irq, void *dev);
 void ath_cleanup(struct ath_softc *sc);
-int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid);
+int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
+		    const struct ath_bus_ops *bus_ops);
 void ath_detach(struct ath_softc *sc);
 const char *ath_mac_bb_name(u32 mac_bb_version);
 const char *ath_rf_name(u16 rf_version);
diff --git a/drivers/net/wireless/ath/ath9k/eeprom.c b/drivers/net/wireless/ath/ath9k/eeprom.c
index b6e52d0f8c4..dacaae93414 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom.c
@@ -14,7 +14,7 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#include "ath9k.h"
+#include "hw.h"
 
 static inline u16 ath9k_hw_fbin2freq(u8 fbin, bool is2GHz)
 {
@@ -83,11 +83,9 @@ bool ath9k_hw_get_lower_upper_index(u8 target, u8 *pList, u16 listSize,
 	return false;
 }
 
-bool ath9k_hw_nvram_read(struct ath_hw *ah, u32 off, u16 *data)
+bool ath9k_hw_nvram_read(struct ath_common *common, u32 off, u16 *data)
 {
-	struct ath_softc *sc = ah->ah_sc;
-
-	return sc->bus_ops->eeprom_read(ah, off, data);
+	return common->bus_ops->eeprom_read(common, off, data);
 }
 
 void ath9k_hw_fill_vpd_table(u8 pwrMin, u8 pwrMax, u8 *pPwrList,
diff --git a/drivers/net/wireless/ath/ath9k/eeprom.h b/drivers/net/wireless/ath/ath9k/eeprom.h
index 4fe33f7eee9..8463ba09c12 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom.h
+++ b/drivers/net/wireless/ath/ath9k/eeprom.h
@@ -17,6 +17,7 @@
 #ifndef EEPROM_H
 #define EEPROM_H
 
+#include "../ath.h"
 #include <net/cfg80211.h>
 
 #define AH_USE_EEPROM   0x1
@@ -684,7 +685,7 @@ int16_t ath9k_hw_interpolate(u16 target, u16 srcLeft, u16 srcRight,
 			     int16_t targetRight);
 bool ath9k_hw_get_lower_upper_index(u8 target, u8 *pList, u16 listSize,
 				    u16 *indexL, u16 *indexR);
-bool ath9k_hw_nvram_read(struct ath_hw *ah, u32 off, u16 *data);
+bool ath9k_hw_nvram_read(struct ath_common *common, u32 off, u16 *data);
 void ath9k_hw_fill_vpd_table(u8 pwrMin, u8 pwrMax, u8 *pPwrList,
 			     u8 *pVpdList, u16 numIntercepts,
 			     u8 *pRetVpdList);
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_4k.c b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
index c2ac85c2aab..2a27b1d51a1 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_4k.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
@@ -41,7 +41,7 @@ static bool ath9k_hw_4k_fill_eeprom(struct ath_hw *ah)
 	}
 
 	for (addr = 0; addr < SIZE_EEPROM_4K; addr++) {
-		if (!ath9k_hw_nvram_read(ah, addr + eep_start_loc, eep_data)) {
+		if (!ath9k_hw_nvram_read(common, addr + eep_start_loc, eep_data)) {
 			ath_print(common, ATH_DBG_EEPROM,
 				  "Unable to read eeprom region \n");
 			return false;
@@ -66,7 +66,7 @@ static int ath9k_hw_4k_check_eeprom(struct ath_hw *ah)
 
 
 	if (!ath9k_hw_use_flash(ah)) {
-		if (!ath9k_hw_nvram_read(ah, AR5416_EEPROM_MAGIC_OFFSET,
+		if (!ath9k_hw_nvram_read(common, AR5416_EEPROM_MAGIC_OFFSET,
 					 &magic)) {
 			ath_print(common, ATH_DBG_FATAL,
 				  "Reading Magic # failed\n");
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_9287.c b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
index 839eed89179..839d05a1df2 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_9287.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
@@ -41,7 +41,8 @@ static bool ath9k_hw_AR9287_fill_eeprom(struct ath_hw *ah)
 
 	for (addr = 0; addr < sizeof(struct ar9287_eeprom) / sizeof(u16);
 			addr++)	{
-		if (!ath9k_hw_nvram_read(ah, addr + eep_start_loc, eep_data)) {
+		if (!ath9k_hw_nvram_read(common,
+					 addr + eep_start_loc, eep_data)) {
 			ath_print(common, ATH_DBG_EEPROM,
 				  "Unable to read eeprom region \n");
 			return false;
@@ -61,8 +62,8 @@ static int ath9k_hw_AR9287_check_eeprom(struct ath_hw *ah)
 	struct ath_common *common = ath9k_hw_common(ah);
 
 	if (!ath9k_hw_use_flash(ah)) {
-		if (!ath9k_hw_nvram_read
-		    (ah, AR5416_EEPROM_MAGIC_OFFSET, &magic)) {
+		if (!ath9k_hw_nvram_read(common,
+					 AR5416_EEPROM_MAGIC_OFFSET, &magic)) {
 			ath_print(common, ATH_DBG_FATAL,
 				  "Reading Magic # failed\n");
 			return false;
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_def.c b/drivers/net/wireless/ath/ath9k/eeprom_def.c
index 56e90baf694..8f04b644e2e 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_def.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_def.c
@@ -89,11 +89,12 @@ static int ath9k_hw_def_get_eeprom_rev(struct ath_hw *ah)
 static bool ath9k_hw_def_fill_eeprom(struct ath_hw *ah)
 {
 #define SIZE_EEPROM_DEF (sizeof(struct ar5416_eeprom_def) / sizeof(u16))
+	struct ath_common *common = ath9k_hw_common(ah);
 	u16 *eep_data = (u16 *)&ah->eeprom.def;
 	int addr, ar5416_eep_start_loc = 0x100;
 
 	for (addr = 0; addr < SIZE_EEPROM_DEF; addr++) {
-		if (!ath9k_hw_nvram_read(ah, addr + ar5416_eep_start_loc,
+		if (!ath9k_hw_nvram_read(common, addr + ar5416_eep_start_loc,
 					 eep_data)) {
 			ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
 				  "Unable to read eeprom region\n");
@@ -115,7 +116,7 @@ static int ath9k_hw_def_check_eeprom(struct ath_hw *ah)
 	bool need_swap = false;
 	int i, addr, size;
 
-	if (!ath9k_hw_nvram_read(ah, AR5416_EEPROM_MAGIC_OFFSET, &magic)) {
+	if (!ath9k_hw_nvram_read(common, AR5416_EEPROM_MAGIC_OFFSET, &magic)) {
 		ath_print(common, ATH_DBG_FATAL, "Reading Magic # failed\n");
 		return false;
 	}
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 0d8977341b2..ab9b7eaecd8 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1311,9 +1311,12 @@ static void ath_start_rfkill_poll(struct ath_softc *sc)
 
 void ath_cleanup(struct ath_softc *sc)
 {
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
+
 	ath_detach(sc);
 	free_irq(sc->irq, sc);
-	ath_bus_cleanup(sc);
+	ath_bus_cleanup(common);
 	kfree(sc->sec_wiphy);
 	ieee80211_free_hw(sc->hw);
 }
@@ -1587,7 +1590,8 @@ static struct ath_ops ath9k_common_ops = {
  * to allow the separation between hardware specific
  * variables (now in ath_hw) and driver specific variables.
  */
-static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
+static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
+			  const struct ath_bus_ops *bus_ops)
 {
 	struct ath_hw *ah = NULL;
 	struct ath_common *common;
@@ -1621,6 +1625,7 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
 
 	common = ath9k_hw_common(ah);
 	common->ops = &ath9k_common_ops;
+	common->bus_ops = bus_ops;
 	common->ah = ah;
 	common->hw = sc->hw;
 
@@ -1628,7 +1633,7 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
 	 * Cache line size is used to size and align various
 	 * structures used to communicate with the hardware.
 	 */
-	ath_read_cachesize(sc, &csz);
+	ath_read_cachesize(common, &csz);
 	/* XXX assert csz is non-zero */
 	common->cachelsz = csz << 2;	/* convert to bytes */
 
@@ -1876,7 +1881,8 @@ void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
 }
 
 /* Device driver core initialization */
-int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid)
+int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
+		    const struct ath_bus_ops *bus_ops)
 {
 	struct ieee80211_hw *hw = sc->hw;
 	struct ath_common *common;
@@ -1886,7 +1892,7 @@ int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid)
 
 	dev_dbg(sc->dev, "Attach ATH hw\n");
 
-	error = ath_init_softc(devid, sc, subsysid);
+	error = ath_init_softc(devid, sc, subsysid, bus_ops);
 	if (error != 0)
 		return error;
 
@@ -2337,8 +2343,8 @@ static int ath9k_start(struct ieee80211_hw *hw)
 					   AR_STOMP_LOW_WLAN_WGHT);
 		ath9k_hw_btcoex_enable(ah);
 
-		if (sc->bus_ops->bt_coex_prep)
-			sc->bus_ops->bt_coex_prep(sc);
+		if (common->bus_ops->bt_coex_prep)
+			common->bus_ops->bt_coex_prep(common);
 		if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE)
 			ath9k_btcoex_timer_resume(sc);
 	}
diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
index f59d22491ce..a1001ffdd38 100644
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -31,8 +31,10 @@ static struct pci_device_id ath_pci_id_table[] __devinitdata = {
 };
 
 /* return bus cachesize in 4B word units */
-static void ath_pci_read_cachesize(struct ath_softc *sc, int *csz)
+static void ath_pci_read_cachesize(struct ath_common *common, int *csz)
 {
+	struct ath_hw *ah = (struct ath_hw *) common->ah;
+	struct ath_softc *sc = ah->ah_sc;
 	u8 u8tmp;
 
 	pci_read_config_byte(to_pci_dev(sc->dev), PCI_CACHE_LINE_SIZE, &u8tmp);
@@ -48,8 +50,10 @@ static void ath_pci_read_cachesize(struct ath_softc *sc, int *csz)
 		*csz = DEFAULT_CACHELINE >> 2;   /* Use the default size */
 }
 
-static void ath_pci_cleanup(struct ath_softc *sc)
+static void ath_pci_cleanup(struct ath_common *common)
 {
+	struct ath_hw *ah = (struct ath_hw *) common->ah;
+	struct ath_softc *sc = ah->ah_sc;
 	struct pci_dev *pdev = to_pci_dev(sc->dev);
 
 	pci_iounmap(pdev, sc->mem);
@@ -57,8 +61,10 @@ static void ath_pci_cleanup(struct ath_softc *sc)
 	pci_release_region(pdev, 0);
 }
 
-static bool ath_pci_eeprom_read(struct ath_hw *ah, u32 off, u16 *data)
+static bool ath_pci_eeprom_read(struct ath_common *common, u32 off, u16 *data)
 {
+	struct ath_hw *ah = (struct ath_hw *) common->ah;
+
 	(void)REG_READ(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S));
 
 	if (!ath9k_hw_wait(ah,
@@ -78,8 +84,10 @@ static bool ath_pci_eeprom_read(struct ath_hw *ah, u32 off, u16 *data)
 /*
  * Bluetooth coexistance requires disabling ASPM.
  */
-static void ath_pci_bt_coex_prep(struct ath_softc *sc)
+static void ath_pci_bt_coex_prep(struct ath_common *common)
 {
+	struct ath_hw *ah = (struct ath_hw *) common->ah;
+	struct ath_softc *sc = ah->ah_sc;
 	struct pci_dev *pdev = to_pci_dev(sc->dev);
 	u8 aspm;
 
@@ -91,7 +99,7 @@ static void ath_pci_bt_coex_prep(struct ath_softc *sc)
 	pci_write_config_byte(pdev, ATH_PCIE_CAP_LINK_CTRL, aspm);
 }
 
-static struct ath_bus_ops ath_pci_bus_ops = {
+const static struct ath_bus_ops ath_pci_bus_ops = {
 	.read_cachesize = ath_pci_read_cachesize,
 	.cleanup = ath_pci_cleanup,
 	.eeprom_read = ath_pci_eeprom_read,
@@ -194,10 +202,9 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	sc->hw = hw;
 	sc->dev = &pdev->dev;
 	sc->mem = mem;
-	sc->bus_ops = &ath_pci_bus_ops;
 
 	pci_read_config_word(pdev, PCI_SUBSYSTEM_ID, &subsysid);
-	ret = ath_init_device(id->device, sc, subsysid);
+	ret = ath_init_device(id->device, sc, subsysid, &ath_pci_bus_ops);
 	if (ret) {
 		dev_err(&pdev->dev, "failed to initialize device\n");
 		goto bad3;
-- 
GitLab


From 2ddb5c8b8739ec054d22ef8efd9bf04cac12a36c Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Mon, 14 Sep 2009 02:09:38 -0700
Subject: [PATCH 0102/1815] ath9k: make ath9k_common_ops const

As noted by Jiri.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index ab9b7eaecd8..2278dcbeee1 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1579,7 +1579,7 @@ static unsigned int ath9k_ioread32(void *hw_priv, u32 reg_offset)
 	return val;
 }
 
-static struct ath_ops ath9k_common_ops = {
+static const struct ath_ops ath9k_common_ops = {
 	.read = ath9k_ioread32,
 	.write = ath9k_iowrite32,
 };
-- 
GitLab


From 85fecff155ed2ba0cccd618ab92d5b4e7d69cd5d Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 11 Sep 2009 10:38:07 -0700
Subject: [PATCH 0103/1815] iwlwifi: modify LED blink index table

Modify LED blink index table to include 1Mbps.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-led.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-led.c b/drivers/net/wireless/iwlwifi/iwl-led.c
index f420c99e724..41addd1c726 100644
--- a/drivers/net/wireless/iwlwifi/iwl-led.c
+++ b/drivers/net/wireless/iwlwifi/iwl-led.c
@@ -65,9 +65,9 @@ static const struct {
 	{70, 65, 65},
 	{50, 75, 75},
 	{20, 85, 85},
-	{15, 95, 95 },
-	{10, 110, 110},
-	{5, 130, 130},
+	{10, 95, 95},
+	{5, 110, 110},
+	{1, 130, 130},
 	{0, 167, 167},
 /* SOLID_ON */
 	{-1, IWL_LED_SOLID, 0}
-- 
GitLab


From 1b07a1307250e55fe00c076b33d0ab5ac088a489 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 11 Sep 2009 10:38:09 -0700
Subject: [PATCH 0104/1815] iwlwifi: remove un-supported eeprom parameters

Remove few of the parameters not used and no longer valid in EEPROM.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-eeprom.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.h b/drivers/net/wireless/iwlwifi/iwl-eeprom.h
index 6b68db7b1b8..90e2b4ea260 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.h
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.h
@@ -370,12 +370,10 @@ struct iwl_eeprom_calib_info {
 #define EEPROM_BOARD_PBA_NUMBER             (2*0x3B+1)	/* 9  bytes */
 #define EEPROM_VERSION                      (2*0x44)	/* 2  bytes */
 #define EEPROM_SKU_CAP                      (2*0x45)	/* 1  bytes */
-#define EEPROM_LEDS_MODE                    (2*0x45+1)	/* 1  bytes */
 #define EEPROM_OEM_MODE                     (2*0x46)	/* 2  bytes */
 #define EEPROM_WOWLAN_MODE                  (2*0x47)	/* 2  bytes */
 #define EEPROM_RADIO_CONFIG                 (2*0x48)	/* 2  bytes */
 #define EEPROM_3945_M_VERSION               (2*0x4A)	/* 1  bytes */
-#define EEPROM_ANTENNA_SWITCH_TYPE          (2*0x4A+1)	/* 1  bytes */
 
 /* The following masks are to be applied on EEPROM_RADIO_CONFIG */
 #define EEPROM_RF_CFG_TYPE_MSK(x)   (x & 0x3)         /* bits 0-1   */
-- 
GitLab


From 9371d4ed79c1c2efefa00226f7f6b95e0e0b8f2b Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 11 Sep 2009 10:38:10 -0700
Subject: [PATCH 0105/1815] iwlwifi: separate nic_config for different NIC

Different NIC has different requirements for configuration. Currently all
5000 series hardware and later share the same configuration function even
though they do not need the same configurations. Fix this by separating the
needed configuration actions for each hardware model.

.5000 series: L1-ASPM H/W bug work-around
              configure radio
              write CSR_HW_IF_CONFIG_REG for uCode use
              work-around for NIC get stuck after early PCIe power off

.1000 series: write CSR_HW_IF_CONFIG_REG for uCode use
              setting digital SVR for 1000 card to 1.32V

.6000 series: configure radio
              write CSR_HW_IF_CONFIG_REG for uCode use
              write CSR_GP_DRIVER_REG to indicate radio sku

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-1000.c   |  5 ++++-
 drivers/net/wireless/iwlwifi/iwl-5000.c   |  4 ++--
 drivers/net/wireless/iwlwifi/iwl-6000.c   | 16 +++++++++++++++-
 drivers/net/wireless/iwlwifi/iwl-eeprom.h |  7 ++++++-
 4 files changed, 27 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c
index 2716b91ba9f..89f360befc3 100644
--- a/drivers/net/wireless/iwlwifi/iwl-1000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-1000.c
@@ -76,7 +76,10 @@ static void iwl1000_set_ct_threshold(struct iwl_priv *priv)
 /* NIC configuration for 1000 series */
 static void iwl1000_nic_config(struct iwl_priv *priv)
 {
-	iwl5000_nic_config(priv);
+	/* set CSR_HW_CONFIG_REG for uCode use */
+	iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
+		    CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
+		    CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
 
 	/* Setting digital SVR for 1000 card to 1.32V */
 	/* locking is acquired in iwl_set_bits_mask_prph() function */
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index eb08f441100..d312ef03245 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -198,7 +198,7 @@ out:
 }
 
 
-/* NIC configuration for 5000 series and up */
+/* NIC configuration for 5000 series */
 void iwl5000_nic_config(struct iwl_priv *priv)
 {
 	unsigned long flags;
@@ -221,7 +221,7 @@ void iwl5000_nic_config(struct iwl_priv *priv)
 	radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG);
 
 	/* write radio config values to register */
-	if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg) < EEPROM_5000_RF_CFG_TYPE_MAX)
+	if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg) < EEPROM_RF_CONFIG_TYPE_MAX)
 		iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
 			    EEPROM_RF_CFG_TYPE_MSK(radio_cfg) |
 			    EEPROM_RF_CFG_STEP_MSK(radio_cfg) |
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index c295b8ee922..37b3e208663 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -71,7 +71,21 @@ static void iwl6000_set_ct_threshold(struct iwl_priv *priv)
 /* NIC configuration for 6000 series */
 static void iwl6000_nic_config(struct iwl_priv *priv)
 {
-	iwl5000_nic_config(priv);
+	u16 radio_cfg;
+
+	radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG);
+
+	/* write radio config values to register */
+	if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg) <= EEPROM_RF_CONFIG_TYPE_MAX)
+		iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
+			    EEPROM_RF_CFG_TYPE_MSK(radio_cfg) |
+			    EEPROM_RF_CFG_STEP_MSK(radio_cfg) |
+			    EEPROM_RF_CFG_DASH_MSK(radio_cfg));
+
+	/* set CSR_HW_CONFIG_REG for uCode use */
+	iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
+		    CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
+		    CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
 
 	/* no locking required for register write */
 	if (priv->cfg->pa_type == IWL_PA_HYBRID) {
diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.h b/drivers/net/wireless/iwlwifi/iwl-eeprom.h
index 90e2b4ea260..61794eb3d68 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.h
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.h
@@ -385,7 +385,12 @@ struct iwl_eeprom_calib_info {
 
 #define EEPROM_3945_RF_CFG_TYPE_MAX  0x0
 #define EEPROM_4965_RF_CFG_TYPE_MAX  0x1
-#define EEPROM_5000_RF_CFG_TYPE_MAX  0x3
+
+/* Radio Config for 5000 and up */
+#define EEPROM_RF_CONFIG_TYPE_R3x3	0x0
+#define EEPROM_RF_CONFIG_TYPE_R2x2	0x1
+#define EEPROM_RF_CONFIG_TYPE_R1x2	0x2
+#define EEPROM_RF_CONFIG_TYPE_MAX	0x3
 
 /*
  * Per-channel regulatory data.
-- 
GitLab


From f3a2a42470c1c362b9a7b4e933a15a274d4b090e Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 11 Sep 2009 10:38:11 -0700
Subject: [PATCH 0106/1815] iwlwifi: separate set_hw_params function for 6000
 series

Separate set_hw_params() function for 6000
series from 5000/1000 series because:
    1) 6000 series use different set of sensitivity range table
    2) 6000 series has different uCode image size

Also include the new sensitivity parameters needed by sensitivity
algorithm.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-5000.c  | 12 +---
 drivers/net/wireless/iwlwifi/iwl-6000.c  | 71 +++++++++++++++++++++++-
 drivers/net/wireless/iwlwifi/iwl-calib.c |  2 +-
 3 files changed, 73 insertions(+), 12 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index d312ef03245..e1b378528c7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -833,16 +833,8 @@ int iwl5000_hw_set_hw_params(struct iwl_priv *priv)
 	priv->hw_params.max_stations = IWL5000_STATION_COUNT;
 	priv->hw_params.bcast_sta_id = IWL5000_BROADCAST_ID;
 
-	switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) {
-	case CSR_HW_REV_TYPE_6x00:
-	case CSR_HW_REV_TYPE_6x50:
-		priv->hw_params.max_data_size = IWL60_RTC_DATA_SIZE;
-		priv->hw_params.max_inst_size = IWL60_RTC_INST_SIZE;
-		break;
-	default:
-		priv->hw_params.max_data_size = IWL50_RTC_DATA_SIZE;
-		priv->hw_params.max_inst_size = IWL50_RTC_INST_SIZE;
-	}
+	priv->hw_params.max_data_size = IWL50_RTC_DATA_SIZE;
+	priv->hw_params.max_inst_size = IWL50_RTC_INST_SIZE;
 
 	priv->hw_params.max_bsm_size = 0;
 	priv->hw_params.ht40_channel =  BIT(IEEE80211_BAND_2GHZ) |
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index 37b3e208663..4b3fb409567 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -44,6 +44,7 @@
 #include "iwl-sta.h"
 #include "iwl-helpers.h"
 #include "iwl-5000-hw.h"
+#include "iwl-6000-hw.h"
 
 /* Highest firmware API version supported */
 #define IWL6000_UCODE_API_MAX 4
@@ -100,8 +101,76 @@ static void iwl6000_nic_config(struct iwl_priv *priv)
 	/* else do nothing, uCode configured */
 }
 
+static struct iwl_sensitivity_ranges iwl6000_sensitivity = {
+	.min_nrg_cck = 97,
+	.max_nrg_cck = 0, /* not used, set to 0 */
+	.auto_corr_min_ofdm = 80,
+	.auto_corr_min_ofdm_mrc = 128,
+	.auto_corr_min_ofdm_x1 = 105,
+	.auto_corr_min_ofdm_mrc_x1 = 192,
+
+	.auto_corr_max_ofdm = 145,
+	.auto_corr_max_ofdm_mrc = 232,
+	.auto_corr_max_ofdm_x1 = 145,
+	.auto_corr_max_ofdm_mrc_x1 = 232,
+
+	.auto_corr_min_cck = 125,
+	.auto_corr_max_cck = 175,
+	.auto_corr_min_cck_mrc = 160,
+	.auto_corr_max_cck_mrc = 310,
+	.nrg_th_cck = 97,
+	.nrg_th_ofdm = 100,
+};
+
+static int iwl6000_hw_set_hw_params(struct iwl_priv *priv)
+{
+	if ((priv->cfg->mod_params->num_of_queues > IWL50_NUM_QUEUES) ||
+	    (priv->cfg->mod_params->num_of_queues < IWL_MIN_NUM_QUEUES)) {
+		IWL_ERR(priv,
+			"invalid queues_num, should be between %d and %d\n",
+			IWL_MIN_NUM_QUEUES, IWL50_NUM_QUEUES);
+		return -EINVAL;
+	}
+
+	priv->hw_params.max_txq_num = priv->cfg->mod_params->num_of_queues;
+	priv->hw_params.dma_chnl_num = FH50_TCSR_CHNL_NUM;
+	priv->hw_params.scd_bc_tbls_size =
+			IWL50_NUM_QUEUES * sizeof(struct iwl5000_scd_bc_tbl);
+	priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
+	priv->hw_params.max_stations = IWL5000_STATION_COUNT;
+	priv->hw_params.bcast_sta_id = IWL5000_BROADCAST_ID;
+
+	priv->hw_params.max_data_size = IWL60_RTC_DATA_SIZE;
+	priv->hw_params.max_inst_size = IWL60_RTC_INST_SIZE;
+
+	priv->hw_params.max_bsm_size = 0;
+	priv->hw_params.ht40_channel =  BIT(IEEE80211_BAND_2GHZ) |
+					BIT(IEEE80211_BAND_5GHZ);
+	priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR;
+
+	priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
+	priv->hw_params.rx_chains_num = num_of_ant(priv->cfg->valid_rx_ant);
+	priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant;
+	priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant;
+
+	if (priv->cfg->ops->lib->temp_ops.set_ct_kill)
+		priv->cfg->ops->lib->temp_ops.set_ct_kill(priv);
+
+	/* Set initial sensitivity parameters */
+	/* Set initial calibration set */
+	priv->hw_params.sens = &iwl6000_sensitivity;
+	priv->hw_params.calib_init_cfg =
+			BIT(IWL_CALIB_XTAL)		|
+			BIT(IWL_CALIB_LO)		|
+			BIT(IWL_CALIB_TX_IQ) 		|
+			BIT(IWL_CALIB_TX_IQ_PERD)	|
+			BIT(IWL_CALIB_BASE_BAND);
+
+	return 0;
+}
+
 static struct iwl_lib_ops iwl6000_lib = {
-	.set_hw_params = iwl5000_hw_set_hw_params,
+	.set_hw_params = iwl6000_hw_set_hw_params,
 	.txq_update_byte_cnt_tbl = iwl5000_txq_update_byte_cnt_tbl,
 	.txq_inval_byte_cnt_tbl = iwl5000_txq_inval_byte_cnt_tbl,
 	.txq_set_sched = iwl5000_txq_set_sched,
diff --git a/drivers/net/wireless/iwlwifi/iwl-calib.c b/drivers/net/wireless/iwlwifi/iwl-calib.c
index c4b565a2de9..6e73317c3b4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-calib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-calib.c
@@ -516,7 +516,7 @@ void iwl_init_sensitivity(struct iwl_priv *priv)
 	for (i = 0; i < NRG_NUM_PREV_STAT_L; i++)
 		data->nrg_silence_rssi[i] = 0;
 
-	data->auto_corr_ofdm = 90;
+	data->auto_corr_ofdm =  ranges->auto_corr_min_ofdm;
 	data->auto_corr_ofdm_mrc = ranges->auto_corr_min_ofdm_mrc;
 	data->auto_corr_ofdm_x1  = ranges->auto_corr_min_ofdm_x1;
 	data->auto_corr_ofdm_mrc_x1 = ranges->auto_corr_min_ofdm_mrc_x1;
-- 
GitLab


From c812ee24855e20f43cf211e51e3eb53fe6dc6f1d Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Fri, 11 Sep 2009 10:38:13 -0700
Subject: [PATCH 0107/1815] iwlwifi: clean up ht config a little

is_ht can be bool instead of u8, and there's
no need to use IWL_CHANNEL_WIDTH_* constants
in supported_chan_width when that could just
be named is_40mhz instead.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-core.c | 14 +++++---------
 drivers/net/wireless/iwlwifi/iwl-dev.h  |  7 ++-----
 2 files changed, 7 insertions(+), 14 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 484d5c1a731..c09475105c5 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -636,8 +636,7 @@ u8 iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
 {
 	struct iwl_ht_info *iwl_ht_conf = &priv->current_ht_config;
 
-	if ((!iwl_ht_conf->is_ht) ||
-	    (iwl_ht_conf->supported_chan_width != IWL_CHANNEL_WIDTH_40MHZ))
+	if (!iwl_ht_conf->is_ht || !iwl_ht_conf->is_40mhz)
 		return 0;
 
 	/* We do not check for IEEE80211_HT_CAP_SUP_WIDTH_20_40
@@ -2619,21 +2618,18 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed)
 			if (conf_is_ht40_minus(conf)) {
 				ht_conf->extension_chan_offset =
 					IEEE80211_HT_PARAM_CHA_SEC_BELOW;
-				ht_conf->supported_chan_width =
-					IWL_CHANNEL_WIDTH_40MHZ;
+				ht_conf->is_40mhz = true;
 			} else if (conf_is_ht40_plus(conf)) {
 				ht_conf->extension_chan_offset =
 					IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
-				ht_conf->supported_chan_width =
-					IWL_CHANNEL_WIDTH_40MHZ;
+				ht_conf->is_40mhz = true;
 			} else {
 				ht_conf->extension_chan_offset =
 					IEEE80211_HT_PARAM_CHA_SEC_NONE;
-				ht_conf->supported_chan_width =
-					IWL_CHANNEL_WIDTH_20MHZ;
+				ht_conf->is_40mhz = false;
 			}
 		} else
-			ht_conf->supported_chan_width = IWL_CHANNEL_WIDTH_20MHZ;
+			ht_conf->is_40mhz = false;
 		/* Default to no protection. Protection mode will later be set
 		 * from BSS config in iwl_ht_conf */
 		ht_conf->ht_protection = IEEE80211_HT_OP_MODE_PROTECTION_NONE;
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 028d5059955..961d5344003 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -504,8 +504,8 @@ union iwl_ht_rate_supp {
 
 struct iwl_ht_info {
 	/* self configuration data */
-	u8 is_ht;
-	u8 supported_chan_width;
+	bool is_ht;
+	bool is_40mhz;
 	u8 sm_ps;
 	struct ieee80211_mcs_info mcs;
 	/* BSS related data */
@@ -726,9 +726,6 @@ struct iwl_dma_ptr {
 	size_t size;
 };
 
-#define IWL_CHANNEL_WIDTH_20MHZ   0
-#define IWL_CHANNEL_WIDTH_40MHZ   1
-
 #define IWL_OPERATION_MODE_AUTO     0
 #define IWL_OPERATION_MODE_HT_ONLY  1
 #define IWL_OPERATION_MODE_MIXED    2
-- 
GitLab


From f2d0d0e2bab7a325071dbaba3bef51c90868e1e6 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 11 Sep 2009 10:38:14 -0700
Subject: [PATCH 0108/1815] iwlwifi: Adjust blink rate to compensate Clock
 difference

Adjust led blink rate to compensate on a MAC Clock difference on every
HW. Led blink rate analysis showed an average deviation of 0% on 3945,
5% on 4965 HW and 20% on 5000 series and up.
Need to compensate on the led on/off time per HW according to the
deviation to achieve the desired led frequency
The calculation is: (100-averageDeviation)/100 * blinkTime
For code efficiency the calculation will be:
    compensation = (100 - averageDeviation) * 64 / 100
    NewBlinkTime = (compensation * BlinkTime) / 64

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-1000.c |  1 +
 drivers/net/wireless/iwlwifi/iwl-3945.c |  2 ++
 drivers/net/wireless/iwlwifi/iwl-4965.c |  1 +
 drivers/net/wireless/iwlwifi/iwl-5000.c |  6 +++++
 drivers/net/wireless/iwlwifi/iwl-6000.c |  5 ++++
 drivers/net/wireless/iwlwifi/iwl-core.h |  4 +++
 drivers/net/wireless/iwlwifi/iwl-led.c  | 33 +++++++++++++++++++++++--
 7 files changed, 50 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c
index 89f360befc3..1dd8db2f6f2 100644
--- a/drivers/net/wireless/iwlwifi/iwl-1000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-1000.c
@@ -164,5 +164,6 @@ struct iwl_cfg iwl1000_bgn_cfg = {
 	.max_ll_items = OTP_MAX_LL_ITEMS_1000,
 	.shadow_ram_support = false,
 	.ht_greenfield_support = true,
+	.led_compensation = 51,
 };
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index e70c5b0af36..33e40c21eb7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -2894,6 +2894,7 @@ static struct iwl_cfg iwl3945_bg_cfg = {
 	.mod_params = &iwl3945_mod_params,
 	.use_isr_legacy = true,
 	.ht_greenfield_support = false,
+	.led_compensation = 64,
 };
 
 static struct iwl_cfg iwl3945_abg_cfg = {
@@ -2908,6 +2909,7 @@ static struct iwl_cfg iwl3945_abg_cfg = {
 	.mod_params = &iwl3945_mod_params,
 	.use_isr_legacy = true,
 	.ht_greenfield_support = false,
+	.led_compensation = 64,
 };
 
 struct pci_device_id iwl3945_hw_card_ids[] = {
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index a22a0501c19..2500ab2e1d9 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -2355,6 +2355,7 @@ struct iwl_cfg iwl4965_agn_cfg = {
 	.use_isr_legacy = true,
 	.ht_greenfield_support = false,
 	.broken_powersave = true,
+	.led_compensation = 61,
 };
 
 /* Module firmware */
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index e1b378528c7..c81fd4bc32b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -1656,6 +1656,7 @@ struct iwl_cfg iwl5300_agn_cfg = {
 	.valid_rx_ant = ANT_ABC,
 	.need_pll_cfg = true,
 	.ht_greenfield_support = true,
+	.led_compensation = 51,
 };
 
 struct iwl_cfg iwl5100_bg_cfg = {
@@ -1673,6 +1674,7 @@ struct iwl_cfg iwl5100_bg_cfg = {
 	.valid_rx_ant = ANT_AB,
 	.need_pll_cfg = true,
 	.ht_greenfield_support = true,
+	.led_compensation = 51,
 };
 
 struct iwl_cfg iwl5100_abg_cfg = {
@@ -1690,6 +1692,7 @@ struct iwl_cfg iwl5100_abg_cfg = {
 	.valid_rx_ant = ANT_AB,
 	.need_pll_cfg = true,
 	.ht_greenfield_support = true,
+	.led_compensation = 51,
 };
 
 struct iwl_cfg iwl5100_agn_cfg = {
@@ -1707,6 +1710,7 @@ struct iwl_cfg iwl5100_agn_cfg = {
 	.valid_rx_ant = ANT_AB,
 	.need_pll_cfg = true,
 	.ht_greenfield_support = true,
+	.led_compensation = 51,
 };
 
 struct iwl_cfg iwl5350_agn_cfg = {
@@ -1724,6 +1728,7 @@ struct iwl_cfg iwl5350_agn_cfg = {
 	.valid_rx_ant = ANT_ABC,
 	.need_pll_cfg = true,
 	.ht_greenfield_support = true,
+	.led_compensation = 51,
 };
 
 struct iwl_cfg iwl5150_agn_cfg = {
@@ -1741,6 +1746,7 @@ struct iwl_cfg iwl5150_agn_cfg = {
 	.valid_rx_ant = ANT_AB,
 	.need_pll_cfg = true,
 	.ht_greenfield_support = true,
+	.led_compensation = 51,
 };
 
 MODULE_FIRMWARE(IWL5000_MODULE_FIRMWARE(IWL5000_UCODE_API_MAX));
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index 4b3fb409567..48b2b7d2170 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -258,6 +258,7 @@ struct iwl_cfg iwl6000h_2agn_cfg = {
 	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
 	.shadow_ram_support = true,
 	.ht_greenfield_support = true,
+	.led_compensation = 51,
 };
 
 /*
@@ -281,6 +282,7 @@ struct iwl_cfg iwl6000i_2agn_cfg = {
 	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
 	.shadow_ram_support = true,
 	.ht_greenfield_support = true,
+	.led_compensation = 51,
 };
 
 struct iwl_cfg iwl6050_2agn_cfg = {
@@ -301,6 +303,7 @@ struct iwl_cfg iwl6050_2agn_cfg = {
 	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
 	.shadow_ram_support = true,
 	.ht_greenfield_support = true,
+	.led_compensation = 51,
 };
 
 struct iwl_cfg iwl6000_3agn_cfg = {
@@ -321,6 +324,7 @@ struct iwl_cfg iwl6000_3agn_cfg = {
 	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
 	.shadow_ram_support = true,
 	.ht_greenfield_support = true,
+	.led_compensation = 51,
 };
 
 struct iwl_cfg iwl6050_3agn_cfg = {
@@ -341,6 +345,7 @@ struct iwl_cfg iwl6050_3agn_cfg = {
 	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
 	.shadow_ram_support = true,
 	.ht_greenfield_support = true,
+	.led_compensation = 51,
 };
 
 MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX));
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index e50103a956b..79ea42531e2 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -213,6 +213,9 @@ struct iwl_mod_params {
  * @pa_type: used by 6000 series only to identify the type of Power Amplifier
  * @max_ll_items: max number of OTP blocks
  * @shadow_ram_support: shadow support for OTP memory
+ * @led_compensation: compensate on the led on/off time per HW according
+ *	to the deviation to achieve the desired led frequency.
+ *	The detail algorithm is described in iwl-led.c
  *
  * We enable the driver to be backward compatible wrt API version. The
  * driver specifies which APIs it supports (with @ucode_api_max being the
@@ -255,6 +258,7 @@ struct iwl_cfg {
 	const bool shadow_ram_support;
 	const bool ht_greenfield_support;
 	const bool broken_powersave;
+	u16 led_compensation;
 };
 
 /***************************
diff --git a/drivers/net/wireless/iwlwifi/iwl-led.c b/drivers/net/wireless/iwlwifi/iwl-led.c
index 41addd1c726..f547233c5b7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-led.c
+++ b/drivers/net/wireless/iwlwifi/iwl-led.c
@@ -78,6 +78,29 @@ static const struct {
 #define IWL_MAX_BLINK_TBL (ARRAY_SIZE(blink_tbl) - 1) /* exclude SOLID_ON */
 #define IWL_SOLID_BLINK_IDX (ARRAY_SIZE(blink_tbl) - 1)
 
+/*
+ * Adjust led blink rate to compensate on a MAC Clock difference on every HW
+ * Led blink rate analysis showed an average deviation of 0% on 3945,
+ * 5% on 4965 HW and 20% on 5000 series and up.
+ * Need to compensate on the led on/off time per HW according to the deviation
+ * to achieve the desired led frequency
+ * The calculation is: (100-averageDeviation)/100 * blinkTime
+ * For code efficiency the calculation will be:
+ *     compensation = (100 - averageDeviation) * 64 / 100
+ *     NewBlinkTime = (compensation * BlinkTime) / 64
+ */
+static inline u8 iwl_blink_compensation(struct iwl_priv *priv,
+				    u8 time, u16 compensation)
+{
+	if (!compensation) {
+		IWL_ERR(priv, "undefined blink compensation: "
+			"use pre-defined blinking time\n");
+		return time;
+	}
+
+	return (u8)((time * compensation) >> 6);
+}
+
 /*  [0-256] -> [0..8] FIXME: we need [0..10] */
 static inline int iwl_brightness_to_idx(enum led_brightness brightness)
 {
@@ -114,8 +137,14 @@ static int iwl_led_pattern(struct iwl_priv *priv, int led_id,
 
 	BUG_ON(idx > IWL_MAX_BLINK_TBL);
 
-	led_cmd.on = blink_tbl[idx].on_time;
-	led_cmd.off = blink_tbl[idx].off_time;
+	IWL_DEBUG_LED(priv, "Led blink time compensation= %u\n",
+			priv->cfg->led_compensation);
+	led_cmd.on =
+		iwl_blink_compensation(priv, blink_tbl[idx].on_time,
+					priv->cfg->led_compensation);
+	led_cmd.off =
+		iwl_blink_compensation(priv, blink_tbl[idx].off_time,
+					priv->cfg->led_compensation);
 
 	return iwl_send_led_cmd(priv, &led_cmd);
 }
-- 
GitLab


From fad95bf59bf14f72e7d45d3887044e88b8584637 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Fri, 11 Sep 2009 10:38:15 -0700
Subject: [PATCH 0109/1815] iwlwifi: clean up ht config naming

Daniel Halperin pointed out that the naming
here is rather inconsistent with at least 3
different names being used for one thing in
different contexts. Rename the struct to
iwl_ht_config (rather than iwl_ht_info) and
use ht_conf as a variable for it.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Daniel C Halperin <daniel.c.halperin@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn-rs.c |  2 +-
 drivers/net/wireless/iwlwifi/iwl-core.c   | 48 +++++++++++------------
 drivers/net/wireless/iwlwifi/iwl-core.h   |  2 +-
 drivers/net/wireless/iwlwifi/iwl-dev.h    |  4 +-
 4 files changed, 28 insertions(+), 28 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
index 346dc06fa7b..18af37c964c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
@@ -662,7 +662,7 @@ static int rs_toggle_antenna(u32 valid_ant, u32 *rate_n_flags,
  * there are no non-GF stations present in the BSS.
  */
 static inline u8 rs_use_green(struct ieee80211_sta *sta,
-			      struct iwl_ht_info *ht_conf)
+			      struct iwl_ht_config *ht_conf)
 {
 	return (sta->ht_cap.cap & IEEE80211_HT_CAP_GRN_FLD) &&
 		!(ht_conf->non_GF_STA_present);
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index c09475105c5..9d01fde92cc 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -634,9 +634,9 @@ static u8 iwl_is_channel_extension(struct iwl_priv *priv,
 u8 iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
 			 struct ieee80211_sta_ht_cap *sta_ht_inf)
 {
-	struct iwl_ht_info *iwl_ht_conf = &priv->current_ht_config;
+	struct iwl_ht_config *ht_conf = &priv->current_ht_config;
 
-	if (!iwl_ht_conf->is_ht || !iwl_ht_conf->is_40mhz)
+	if (!ht_conf->is_ht || !ht_conf->is_40mhz)
 		return 0;
 
 	/* We do not check for IEEE80211_HT_CAP_SUP_WIDTH_20_40
@@ -652,7 +652,7 @@ u8 iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
 #endif
 	return iwl_is_channel_extension(priv, priv->band,
 			le16_to_cpu(priv->staging_rxon.channel),
-			iwl_ht_conf->extension_chan_offset);
+			ht_conf->extension_chan_offset);
 }
 EXPORT_SYMBOL(iwl_is_ht40_tx_allowed);
 
@@ -876,11 +876,11 @@ u8 iwl_rate_get_lowest_plcp(struct iwl_priv *priv)
 }
 EXPORT_SYMBOL(iwl_rate_get_lowest_plcp);
 
-void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info)
+void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf)
 {
 	struct iwl_rxon_cmd *rxon = &priv->staging_rxon;
 
-	if (!ht_info->is_ht) {
+	if (!ht_conf->is_ht) {
 		rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MSK |
 			RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK |
 			RXON_FLG_HT40_PROT_MSK |
@@ -891,7 +891,7 @@ void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info)
 	/* FIXME: if the definition of ht_protection changed, the "translation"
 	 * will be needed for rxon->flags
 	 */
-	rxon->flags |= cpu_to_le32(ht_info->ht_protection << RXON_FLG_HT_OPERATING_MODE_POS);
+	rxon->flags |= cpu_to_le32(ht_conf->ht_protection << RXON_FLG_HT_OPERATING_MODE_POS);
 
 	/* Set up channel bandwidth:
 	 * 20 MHz only, 20/40 mixed or pure 40 if ht40 ok */
@@ -900,10 +900,10 @@ void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info)
 			 RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK);
 	if (iwl_is_ht40_tx_allowed(priv, NULL)) {
 		/* pure ht40 */
-		if (ht_info->ht_protection == IEEE80211_HT_OP_MODE_PROTECTION_20MHZ) {
+		if (ht_conf->ht_protection == IEEE80211_HT_OP_MODE_PROTECTION_20MHZ) {
 			rxon->flags |= RXON_FLG_CHANNEL_MODE_PURE_40;
 			/* Note: control channel is opposite of extension channel */
-			switch (ht_info->extension_chan_offset) {
+			switch (ht_conf->extension_chan_offset) {
 			case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
 				rxon->flags &= ~RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK;
 				break;
@@ -913,7 +913,7 @@ void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info)
 			}
 		} else {
 			/* Note: control channel is opposite of extension channel */
-			switch (ht_info->extension_chan_offset) {
+			switch (ht_conf->extension_chan_offset) {
 			case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
 				rxon->flags &= ~(RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK);
 				rxon->flags |= RXON_FLG_CHANNEL_MODE_MIXED;
@@ -939,11 +939,11 @@ void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info)
 	IWL_DEBUG_ASSOC(priv, "supported HT rate 0x%X 0x%X 0x%X "
 			"rxon flags 0x%X operation mode :0x%X "
 			"extension channel offset 0x%x\n",
-			ht_info->mcs.rx_mask[0],
-			ht_info->mcs.rx_mask[1],
-			ht_info->mcs.rx_mask[2],
-			le32_to_cpu(rxon->flags), ht_info->ht_protection,
-			ht_info->extension_chan_offset);
+			ht_conf->mcs.rx_mask[0],
+			ht_conf->mcs.rx_mask[1],
+			ht_conf->mcs.rx_mask[2],
+			le32_to_cpu(rxon->flags), ht_conf->ht_protection,
+			ht_conf->extension_chan_offset);
 	return;
 }
 EXPORT_SYMBOL(iwl_set_rxon_ht);
@@ -2228,13 +2228,13 @@ EXPORT_SYMBOL(iwl_mac_conf_tx);
 static void iwl_ht_conf(struct iwl_priv *priv,
 			    struct ieee80211_bss_conf *bss_conf)
 {
-	struct ieee80211_sta_ht_cap *ht_conf;
-	struct iwl_ht_info *iwl_conf = &priv->current_ht_config;
+	struct iwl_ht_config *ht_conf = &priv->current_ht_config;
+	struct ieee80211_sta_ht_cap *ht_cap;
 	struct ieee80211_sta *sta;
 
 	IWL_DEBUG_MAC80211(priv, "enter: \n");
 
-	if (!iwl_conf->is_ht)
+	if (!ht_conf->is_ht)
 		return;
 
 
@@ -2250,15 +2250,15 @@ static void iwl_ht_conf(struct iwl_priv *priv,
 		rcu_read_unlock();
 		return;
 	}
-	ht_conf = &sta->ht_cap;
+	ht_cap = &sta->ht_cap;
 
-	iwl_conf->sm_ps = (u8)((ht_conf->cap & IEEE80211_HT_CAP_SM_PS) >> 2);
+	ht_conf->sm_ps = (u8)((ht_cap->cap & IEEE80211_HT_CAP_SM_PS) >> 2);
 
-	memcpy(&iwl_conf->mcs, &ht_conf->mcs, 16);
+	memcpy(&ht_conf->mcs, &ht_cap->mcs, 16);
 
-	iwl_conf->ht_protection =
+	ht_conf->ht_protection =
 		bss_conf->ht_operation_mode & IEEE80211_HT_OP_MODE_PROTECTION;
-	iwl_conf->non_GF_STA_present =
+	ht_conf->non_GF_STA_present =
 		!!(bss_conf->ht_operation_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
 
 	rcu_read_unlock();
@@ -2568,7 +2568,7 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed)
 	struct iwl_priv *priv = hw->priv;
 	const struct iwl_channel_info *ch_info;
 	struct ieee80211_conf *conf = &hw->conf;
-	struct iwl_ht_info *ht_conf = &priv->current_ht_config;
+	struct iwl_ht_config *ht_conf = &priv->current_ht_config;
 	unsigned long flags = 0;
 	int ret = 0;
 	u16 ch;
@@ -2735,7 +2735,7 @@ void iwl_mac_reset_tsf(struct ieee80211_hw *hw)
 	IWL_DEBUG_MAC80211(priv, "enter\n");
 
 	spin_lock_irqsave(&priv->lock, flags);
-	memset(&priv->current_ht_config, 0, sizeof(struct iwl_ht_info));
+	memset(&priv->current_ht_config, 0, sizeof(struct iwl_ht_config));
 	spin_unlock_irqrestore(&priv->lock, flags);
 
 	iwl_reset_qos(priv);
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 79ea42531e2..a2ee95028c6 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -277,7 +277,7 @@ int iwl_check_rxon_cmd(struct iwl_priv *priv);
 int iwl_full_rxon_required(struct iwl_priv *priv);
 void iwl_set_rxon_chain(struct iwl_priv *priv);
 int iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch);
-void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info);
+void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf);
 u8 iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
 			 struct ieee80211_sta_ht_cap *sta_ht_inf);
 void iwl_set_flags_for_band(struct iwl_priv *priv, enum ieee80211_band band);
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 961d5344003..e161f8d1766 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -502,7 +502,7 @@ union iwl_ht_rate_supp {
 #define CFG_HT_MPDU_DENSITY_4USEC   (0x5)
 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC
 
-struct iwl_ht_info {
+struct iwl_ht_config {
 	/* self configuration data */
 	bool is_ht;
 	bool is_40mhz;
@@ -1077,7 +1077,7 @@ struct iwl_priv {
 	struct iwl_chain_noise_data chain_noise_data;
 	__le16 sensitivity_tbl[HD_TABLE_SIZE];
 
-	struct iwl_ht_info current_ht_config;
+	struct iwl_ht_config current_ht_config;
 	u8 last_phy_res[100];
 
 	/* Rate scaling data */
-- 
GitLab


From e307ddce394ee7bcec41fb74330ac89eafaea1d9 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 11 Sep 2009 10:38:16 -0700
Subject: [PATCH 0110/1815] iwlwifi: show NVM version in debugfs

Show version number along with dumping NVM data, the version information
being removed from sysfs, add it back to debugfs to help debugging.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-debugfs.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index a198bcf6102..037b75ca77f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -383,6 +383,7 @@ static ssize_t iwl_dbgfs_nvm_read(struct file *file,
 	int pos = 0, ofs = 0, buf_size = 0;
 	const u8 *ptr;
 	char *buf;
+	u16 eeprom_ver;
 	size_t eeprom_len = priv->cfg->eeprom_size;
 	buf_size = 4 * eeprom_len + 256;
 
@@ -403,9 +404,11 @@ static ssize_t iwl_dbgfs_nvm_read(struct file *file,
 		IWL_ERR(priv, "Can not allocate Buffer\n");
 		return -ENOMEM;
 	}
-	pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s\n",
+	eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
+	pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
+			"version: 0x%x\n",
 			(priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
-			? "OTP" : "EEPROM");
+			 ? "OTP" : "EEPROM", eeprom_ver);
 	for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
 		pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
 		hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
-- 
GitLab


From 02bb1bea85e6570b4e64825026382556970b9296 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Fri, 11 Sep 2009 10:38:17 -0700
Subject: [PATCH 0111/1815] iwlwifi: clarify and clean up chain settings

The chain settings we currently use in iwlwifi are
rather confusing -- and we also go by the wrong
settings entirely under certain circumstances. To
clean it up, create a new variable in the current
HT config -- single_chain_sufficient -- that tells
us whether we need more than one chain. Calculate
that based on the AP and operating mode (no IBSS
HT implemented -- so no need for multiple chains,
for station mode we use the AP's capabilities).

Additionally, since APs always send disabled SM PS
mode, keeping track of their sm_ps mode isn't very
useful -- doubly not so for our _own_ RX config
since that should depend on our, not the AP's, SM
PS mode.

Finally, document that our configuration of the
number of RX chains used is currently wrong when
in powersave (by adding a comment).

All together this removes the two remaining items
in struct iwl_ht_config that were done wrong there.

For the future, the number of RX chains and some
SM PS handshaking needs to be added to mac80211,
which then needs to tell us, and the new variable
current_ht_config.single_chain_sufficient should
also be calculated by mac80211.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Daniel C Halperin <daniel.c.halperin@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-core.c | 105 +++++++++++-------------
 drivers/net/wireless/iwlwifi/iwl-dev.h  |   3 +-
 2 files changed, 51 insertions(+), 57 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 9d01fde92cc..2908bff49a3 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -607,8 +607,7 @@ EXPORT_SYMBOL(iwlcore_free_geos);
 static bool is_single_rx_stream(struct iwl_priv *priv)
 {
 	return !priv->current_ht_config.is_ht ||
-	       ((priv->current_ht_config.mcs.rx_mask[1] == 0) &&
-		(priv->current_ht_config.mcs.rx_mask[2] == 0));
+	       priv->current_ht_config.single_chain_sufficient;
 }
 
 static u8 iwl_is_channel_extension(struct iwl_priv *priv,
@@ -936,12 +935,8 @@ void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf)
 	if (priv->cfg->ops->hcmd->set_rxon_chain)
 		priv->cfg->ops->hcmd->set_rxon_chain(priv);
 
-	IWL_DEBUG_ASSOC(priv, "supported HT rate 0x%X 0x%X 0x%X "
-			"rxon flags 0x%X operation mode :0x%X "
+	IWL_DEBUG_ASSOC(priv, "rxon flags 0x%X operation mode :0x%X "
 			"extension channel offset 0x%x\n",
-			ht_conf->mcs.rx_mask[0],
-			ht_conf->mcs.rx_mask[1],
-			ht_conf->mcs.rx_mask[2],
 			le32_to_cpu(rxon->flags), ht_conf->ht_protection,
 			ht_conf->extension_chan_offset);
 	return;
@@ -960,12 +955,8 @@ EXPORT_SYMBOL(iwl_set_rxon_ht);
  */
 static int iwl_get_active_rx_chain_count(struct iwl_priv *priv)
 {
-	bool is_single = is_single_rx_stream(priv);
-	bool is_cam = !test_bit(STATUS_POWER_PMI, &priv->status);
-
 	/* # of Rx chains to use when expecting MIMO. */
-	if (is_single || (!is_cam && (priv->current_ht_config.sm_ps ==
-						 WLAN_HT_CAP_SM_PS_STATIC)))
+	if (is_single_rx_stream(priv))
 		return IWL_NUM_RX_CHAINS_SINGLE;
 	else
 		return IWL_NUM_RX_CHAINS_MULTIPLE;
@@ -973,27 +964,17 @@ static int iwl_get_active_rx_chain_count(struct iwl_priv *priv)
 
 static int iwl_get_idle_rx_chain_count(struct iwl_priv *priv, int active_cnt)
 {
-	int idle_cnt;
 	bool is_cam = !test_bit(STATUS_POWER_PMI, &priv->status);
+
 	/* # Rx chains when idling and maybe trying to save power */
-	switch (priv->current_ht_config.sm_ps) {
-	case WLAN_HT_CAP_SM_PS_STATIC:
-	case WLAN_HT_CAP_SM_PS_DYNAMIC:
-		idle_cnt = (is_cam) ? IWL_NUM_IDLE_CHAINS_DUAL :
-					IWL_NUM_IDLE_CHAINS_SINGLE;
-		break;
-	case WLAN_HT_CAP_SM_PS_DISABLED:
-		idle_cnt = (is_cam) ? active_cnt : IWL_NUM_IDLE_CHAINS_SINGLE;
-		break;
-	case WLAN_HT_CAP_SM_PS_INVALID:
-	default:
-		IWL_ERR(priv, "invalid mimo ps mode %d\n",
-			   priv->current_ht_config.sm_ps);
-		WARN_ON(1);
-		idle_cnt = -1;
-		break;
-	}
-	return idle_cnt;
+
+	/*
+	 * XXX: this is incorrect!!
+	 *	we always indicate to the AP that
+	 *	our SM PS mode is "disabled"
+	 */
+
+	return is_cam ? active_cnt : IWL_NUM_IDLE_CHAINS_SINGLE;
 }
 
 /* up to 4 chains */
@@ -1493,8 +1474,6 @@ int iwl_init_drv(struct iwl_priv *priv)
 
 	priv->iw_mode = NL80211_IFTYPE_STATION;
 
-	priv->current_ht_config.sm_ps = WLAN_HT_CAP_SM_PS_DISABLED;
-
 	/* Choose which receivers/antennas to use */
 	if (priv->cfg->ops->hcmd->set_rxon_chain)
 		priv->cfg->ops->hcmd->set_rxon_chain(priv);
@@ -2226,10 +2205,9 @@ int iwl_mac_conf_tx(struct ieee80211_hw *hw, u16 queue,
 EXPORT_SYMBOL(iwl_mac_conf_tx);
 
 static void iwl_ht_conf(struct iwl_priv *priv,
-			    struct ieee80211_bss_conf *bss_conf)
+			struct ieee80211_bss_conf *bss_conf)
 {
 	struct iwl_ht_config *ht_conf = &priv->current_ht_config;
-	struct ieee80211_sta_ht_cap *ht_cap;
 	struct ieee80211_sta *sta;
 
 	IWL_DEBUG_MAC80211(priv, "enter: \n");
@@ -2237,31 +2215,48 @@ static void iwl_ht_conf(struct iwl_priv *priv,
 	if (!ht_conf->is_ht)
 		return;
 
-
-	/*
-	 * It is totally wrong to base global information on something
-	 * that is valid only when associated, alas, this driver works
-	 * that way and I don't know how to fix it.
-	 */
-
-	rcu_read_lock();
-	sta = ieee80211_find_sta(priv->hw, priv->bssid);
-	if (!sta) {
-		rcu_read_unlock();
-		return;
-	}
-	ht_cap = &sta->ht_cap;
-
-	ht_conf->sm_ps = (u8)((ht_cap->cap & IEEE80211_HT_CAP_SM_PS) >> 2);
-
-	memcpy(&ht_conf->mcs, &ht_cap->mcs, 16);
-
 	ht_conf->ht_protection =
 		bss_conf->ht_operation_mode & IEEE80211_HT_OP_MODE_PROTECTION;
 	ht_conf->non_GF_STA_present =
 		!!(bss_conf->ht_operation_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
 
-	rcu_read_unlock();
+	ht_conf->single_chain_sufficient = false;
+
+	switch (priv->iw_mode) {
+	case NL80211_IFTYPE_STATION:
+		rcu_read_lock();
+		sta = ieee80211_find_sta(priv->hw, priv->bssid);
+		if (sta) {
+			struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap;
+			int maxstreams;
+
+			maxstreams = (ht_cap->mcs.tx_params &
+				      IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK)
+					>> IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT;
+			maxstreams += 1;
+
+			if ((ht_cap->mcs.rx_mask[1] == 0) &&
+			    (ht_cap->mcs.rx_mask[2] == 0))
+				ht_conf->single_chain_sufficient = true;
+			if (maxstreams <= 1)
+				ht_conf->single_chain_sufficient = true;
+		} else {
+			/*
+			 * If at all, this can only happen through a race
+			 * when the AP disconnects us while we're still
+			 * setting up the connection, in that case mac80211
+			 * will soon tell us about that.
+			 */
+			ht_conf->single_chain_sufficient = true;
+		}
+		rcu_read_unlock();
+		break;
+	case NL80211_IFTYPE_ADHOC:
+		ht_conf->single_chain_sufficient = true;
+		break;
+	default:
+		break;
+	}
 
 	IWL_DEBUG_MAC80211(priv, "leave\n");
 }
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index e161f8d1766..0c80692f934 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -506,8 +506,7 @@ struct iwl_ht_config {
 	/* self configuration data */
 	bool is_ht;
 	bool is_40mhz;
-	u8 sm_ps;
-	struct ieee80211_mcs_info mcs;
+	bool single_chain_sufficient;
 	/* BSS related data */
 	u8 extension_chan_offset;
 	u8 ht_protection;
-- 
GitLab


From 47eef9bd1079edbc3e6606309c733a2316ca5a72 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Thu, 17 Sep 2009 10:43:44 -0700
Subject: [PATCH 0112/1815] iwlwifi: Use RTS/CTS as the preferred protection
 mechanism for 6000 series

When 802.11g was introduced, we had RTS/CTS and CTS-to-Self protection
mechanisms. In an HT Beacon, HT stations use the "Operating Mode" field
in the HT Information Element to determine whether or not to use
protection.

The Operating Mode field has 4 possible settings: 0-3:
Mode 0: If all stations in the BSS are 20/40 MHz HT capable, or if the
BSS is 20/40 MHz capable, or if all stations in the BSS are 20 MHz HT
stations in a 20 MHz BSS
Mode 1: used if there are non-HT stations or APs using the primary or
secondary channels
Mode 2: if only HT stations are associated in the BSS and at least one
20 MHz HT station is associated.
Mode 3: used if one or more non-HT stations are associated in the BSS.

When in operating modes 1 or 3, and the Use_Protection field is 1 in the
Beacon's ERP IE, all HT transmissions must be protected using RTS/CTS or
CTS-to-Self.

By default, CTS-to-self is the preferred protection mechanism for less
overhead and higher throughput; but using the full RTS/CTS will better
protect the inner exchange from interference, especially in
highly-congested environment.

For 6000 series WIFI NIC, RTS/CTS protection mechanism is the
recommended choice for HT traffic based on the HW design.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-6000.c   |  5 +++++
 drivers/net/wireless/iwlwifi/iwl-agn-rs.c |  9 +++++++++
 drivers/net/wireless/iwlwifi/iwl-agn.c    | 10 +++++++---
 drivers/net/wireless/iwlwifi/iwl-core.h   |  4 +++-
 4 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index 48b2b7d2170..a9665ce1d65 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -259,6 +259,7 @@ struct iwl_cfg iwl6000h_2agn_cfg = {
 	.shadow_ram_support = true,
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
+	.use_rts_for_ht = true, /* use rts/cts protection */
 };
 
 /*
@@ -283,6 +284,7 @@ struct iwl_cfg iwl6000i_2agn_cfg = {
 	.shadow_ram_support = true,
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
+	.use_rts_for_ht = true, /* use rts/cts protection */
 };
 
 struct iwl_cfg iwl6050_2agn_cfg = {
@@ -304,6 +306,7 @@ struct iwl_cfg iwl6050_2agn_cfg = {
 	.shadow_ram_support = true,
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
+	.use_rts_for_ht = true, /* use rts/cts protection */
 };
 
 struct iwl_cfg iwl6000_3agn_cfg = {
@@ -325,6 +328,7 @@ struct iwl_cfg iwl6000_3agn_cfg = {
 	.shadow_ram_support = true,
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
+	.use_rts_for_ht = true, /* use rts/cts protection */
 };
 
 struct iwl_cfg iwl6050_3agn_cfg = {
@@ -346,6 +350,7 @@ struct iwl_cfg iwl6050_3agn_cfg = {
 	.shadow_ram_support = true,
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
+	.use_rts_for_ht = true, /* use rts/cts protection */
 };
 
 MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX));
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
index 18af37c964c..469d56321d8 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
@@ -418,6 +418,15 @@ static void rs_tl_turn_on_agg(struct iwl_priv *priv, u8 tid,
 	else if (tid == IWL_AGG_ALL_TID)
 		for (tid = 0; tid < TID_MAX_LOAD_COUNT; tid++)
 			rs_tl_turn_on_agg_for_tid(priv, lq_data, tid, sta);
+	if (priv->cfg->use_rts_for_ht) {
+		/*
+		 * switch to RTS/CTS if it is the prefer protection method
+		 * for HT traffic
+		 */
+		IWL_DEBUG_HT(priv, "use RTS/CTS protection for HT\n");
+		priv->staging_rxon.flags &= ~RXON_FLG_SELF_CTS_EN;
+		iwlcore_commit_rxon(priv);
+	}
 }
 
 static inline int get_num_of_ant_from_rate(u32 rate_n_flags)
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index cdc07c47745..a3739628c1d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -115,9 +115,6 @@ int iwl_commit_rxon(struct iwl_priv *priv)
 
 	/* always get timestamp with Rx frame */
 	priv->staging_rxon.flags |= RXON_FLG_TSF2HOST_MSK;
-	/* allow CTS-to-self if possible. this is relevant only for
-	 * 5000, but will not damage 4965 */
-	priv->staging_rxon.flags |= RXON_FLG_SELF_CTS_EN;
 
 	ret = iwl_check_rxon_cmd(priv);
 	if (ret) {
@@ -217,6 +214,13 @@ int iwl_commit_rxon(struct iwl_priv *priv)
 					"Could not send WEP static key.\n");
 		}
 
+		/*
+		 * allow CTS-to-self if possible for new association.
+		 * this is relevant only for 5000 series and up,
+		 * but will not damage 4965
+		 */
+		priv->staging_rxon.flags |= RXON_FLG_SELF_CTS_EN;
+
 		/* Apply the new configuration
 		 * RXON assoc doesn't clear the station table in uCode,
 		 */
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index a2ee95028c6..c7675c38714 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -216,6 +216,7 @@ struct iwl_mod_params {
  * @led_compensation: compensate on the led on/off time per HW according
  *	to the deviation to achieve the desired led frequency.
  *	The detail algorithm is described in iwl-led.c
+ * @use_rts_for_ht: use rts/cts protection for HT traffic
  *
  * We enable the driver to be backward compatible wrt API version. The
  * driver specifies which APIs it supports (with @ucode_api_max being the
@@ -257,8 +258,9 @@ struct iwl_cfg {
 	const u16 max_ll_items;
 	const bool shadow_ram_support;
 	const bool ht_greenfield_support;
-	const bool broken_powersave;
 	u16 led_compensation;
+	const bool broken_powersave;
+	bool use_rts_for_ht;
 };
 
 /***************************
-- 
GitLab


From 01abfbb282482d01e2ac2e6b00e75b248bf517c8 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Thu, 17 Sep 2009 10:43:45 -0700
Subject: [PATCH 0113/1815] iwlwifi: allow user change protection mechanism for
 HT

Allow user to change protection mechanism for HT between RTS/CTS and
CTS-to-self through sysfs:

Show current protection mechanism for HT
   cat /sys/class/net/wlan0/device/rts_ht_protection

Change protection mechanism for HT (only allowed while not-associated)
CTS-to-self:
   echo 0 > /sys/class/net/wlan0/device/rts_ht_protection
RTS/CTS:
   echo 1 > /sys/class/net/wlan0/device/rts_ht_protection

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn.c | 35 ++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index a3739628c1d..2a7cc4bdf3f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -2798,6 +2798,40 @@ static ssize_t show_statistics(struct device *d,
 
 static DEVICE_ATTR(statistics, S_IRUGO, show_statistics, NULL);
 
+static ssize_t show_rts_ht_protection(struct device *d,
+			     struct device_attribute *attr, char *buf)
+{
+	struct iwl_priv *priv = dev_get_drvdata(d);
+
+	return sprintf(buf, "%s\n",
+		priv->cfg->use_rts_for_ht ? "RTS/CTS" : "CTS-to-self");
+}
+
+static ssize_t store_rts_ht_protection(struct device *d,
+			      struct device_attribute *attr,
+			      const char *buf, size_t count)
+{
+	struct iwl_priv *priv = dev_get_drvdata(d);
+	unsigned long val;
+	int ret;
+
+	ret = strict_strtoul(buf, 10, &val);
+	if (ret)
+		IWL_INFO(priv, "Input is not in decimal form.\n");
+	else {
+		if (!iwl_is_associated(priv))
+			priv->cfg->use_rts_for_ht = val ? true : false;
+		else
+			IWL_ERR(priv, "Sta associated with AP - "
+				"Change protection mechanism is not allowed\n");
+		ret = count;
+	}
+	return ret;
+}
+
+static DEVICE_ATTR(rts_ht_protection, S_IWUSR | S_IRUGO,
+			show_rts_ht_protection, store_rts_ht_protection);
+
 
 /*****************************************************************************
  *
@@ -2854,6 +2888,7 @@ static struct attribute *iwl_sysfs_entries[] = {
 	&dev_attr_statistics.attr,
 	&dev_attr_temperature.attr,
 	&dev_attr_tx_power.attr,
+	&dev_attr_rts_ht_protection.attr,
 #ifdef CONFIG_IWLWIFI_DEBUG
 	&dev_attr_debug_level.attr,
 #endif
-- 
GitLab


From 1f4b9665032c4a1d60efd9ceaad2781cae6c7e92 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Thu, 17 Sep 2009 10:43:46 -0700
Subject: [PATCH 0114/1815] iwlwifi: EEPROM version for 1000 and 6000 series

Update EEPROM version requirement for 1000 and 6000 series of NIC
for EEPROM version verification.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-1000.c   |  2 +-
 drivers/net/wireless/iwlwifi/iwl-6000.c   | 10 +++++-----
 drivers/net/wireless/iwlwifi/iwl-eeprom.h |  6 ++++++
 3 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c
index 1dd8db2f6f2..879b3753a3b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-1000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-1000.c
@@ -155,7 +155,7 @@ struct iwl_cfg iwl1000_bgn_cfg = {
 	.sku = IWL_SKU_G|IWL_SKU_N,
 	.ops = &iwl1000_ops,
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
-	.eeprom_ver = EEPROM_5000_EEPROM_VERSION,
+	.eeprom_ver = EEPROM_1000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_A,
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index a9665ce1d65..0d2cbab1f7d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -248,7 +248,7 @@ struct iwl_cfg iwl6000h_2agn_cfg = {
 	.sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
 	.ops = &iwl6000_ops,
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
-	.eeprom_ver = EEPROM_5000_EEPROM_VERSION,
+	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_AB,
@@ -273,7 +273,7 @@ struct iwl_cfg iwl6000i_2agn_cfg = {
 	.sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
 	.ops = &iwl6000_ops,
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
-	.eeprom_ver = EEPROM_5000_EEPROM_VERSION,
+	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_BC,
@@ -295,7 +295,7 @@ struct iwl_cfg iwl6050_2agn_cfg = {
 	.sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
 	.ops = &iwl6000_ops,
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
-	.eeprom_ver = EEPROM_5000_EEPROM_VERSION,
+	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_AB,
@@ -317,7 +317,7 @@ struct iwl_cfg iwl6000_3agn_cfg = {
 	.sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
 	.ops = &iwl6000_ops,
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
-	.eeprom_ver = EEPROM_5000_EEPROM_VERSION,
+	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_ABC,
@@ -339,7 +339,7 @@ struct iwl_cfg iwl6050_3agn_cfg = {
 	.sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
 	.ops = &iwl6000_ops,
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
-	.eeprom_ver = EEPROM_5000_EEPROM_VERSION,
+	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_ABC,
diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.h b/drivers/net/wireless/iwlwifi/iwl-eeprom.h
index 61794eb3d68..75fe0228299 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.h
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.h
@@ -256,6 +256,12 @@ struct iwl_eeprom_enhanced_txpwr {
 #define EEPROM_5050_TX_POWER_VERSION    (4)
 #define EEPROM_5050_EEPROM_VERSION	(0x21E)
 
+/* 1000 Specific */
+#define EEPROM_1000_EEPROM_VERSION	(0x15D)
+
+/* 60x0 Specific */
+#define EEPROM_6000_EEPROM_VERSION	(0x434)
+
 /* OTP */
 /* lower blocks contain EEPROM image and calibration data */
 #define OTP_LOW_IMAGE_SIZE		(2 * 512 * sizeof(u16)) /* 2 KB */
-- 
GitLab


From 4e30cb691b9ba62642cc1594ef08f7439deb5a02 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Thu, 17 Sep 2009 10:43:47 -0700
Subject: [PATCH 0115/1815] iwlwifi: use S_IRUGO and S_IWUSR in module
 parameters

Instead of hardcode module parameter's permissions, use pre-defined.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-4965.c     | 15 ++++++++-------
 drivers/net/wireless/iwlwifi/iwl-5000.c     | 11 ++++++-----
 drivers/net/wireless/iwlwifi/iwl-agn.c      |  4 ++--
 drivers/net/wireless/iwlwifi/iwl3945-base.c | 11 ++++++-----
 4 files changed, 22 insertions(+), 19 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index 2500ab2e1d9..b5111702856 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -2361,21 +2361,22 @@ struct iwl_cfg iwl4965_agn_cfg = {
 /* Module firmware */
 MODULE_FIRMWARE(IWL4965_MODULE_FIRMWARE(IWL4965_UCODE_API_MAX));
 
-module_param_named(antenna, iwl4965_mod_params.antenna, int, 0444);
+module_param_named(antenna, iwl4965_mod_params.antenna, int, S_IRUGO);
 MODULE_PARM_DESC(antenna, "select antenna (1=Main, 2=Aux, default 0 [both])");
-module_param_named(swcrypto, iwl4965_mod_params.sw_crypto, int, 0444);
+module_param_named(swcrypto, iwl4965_mod_params.sw_crypto, int, S_IRUGO);
 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
 module_param_named(
-	disable_hw_scan, iwl4965_mod_params.disable_hw_scan, int, 0444);
+	disable_hw_scan, iwl4965_mod_params.disable_hw_scan, int, S_IRUGO);
 MODULE_PARM_DESC(disable_hw_scan, "disable hardware scanning (default 0)");
 
-module_param_named(queues_num, iwl4965_mod_params.num_of_queues, int, 0444);
+module_param_named(queues_num, iwl4965_mod_params.num_of_queues, int, S_IRUGO);
 MODULE_PARM_DESC(queues_num, "number of hw queues.");
 /* 11n */
-module_param_named(11n_disable, iwl4965_mod_params.disable_11n, int, 0444);
+module_param_named(11n_disable, iwl4965_mod_params.disable_11n, int, S_IRUGO);
 MODULE_PARM_DESC(11n_disable, "disable 11n functionality");
-module_param_named(amsdu_size_8K, iwl4965_mod_params.amsdu_size_8K, int, 0444);
+module_param_named(amsdu_size_8K, iwl4965_mod_params.amsdu_size_8K,
+		   int, S_IRUGO);
 MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size");
 
-module_param_named(fw_restart4965, iwl4965_mod_params.restart_fw, int, 0444);
+module_param_named(fw_restart4965, iwl4965_mod_params.restart_fw, int, S_IRUGO);
 MODULE_PARM_DESC(fw_restart4965, "restart firmware in case of error");
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index c81fd4bc32b..75fa55db330 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -1752,14 +1752,15 @@ struct iwl_cfg iwl5150_agn_cfg = {
 MODULE_FIRMWARE(IWL5000_MODULE_FIRMWARE(IWL5000_UCODE_API_MAX));
 MODULE_FIRMWARE(IWL5150_MODULE_FIRMWARE(IWL5150_UCODE_API_MAX));
 
-module_param_named(swcrypto50, iwl50_mod_params.sw_crypto, bool, 0444);
+module_param_named(swcrypto50, iwl50_mod_params.sw_crypto, bool, S_IRUGO);
 MODULE_PARM_DESC(swcrypto50,
 		  "using software crypto engine (default 0 [hardware])\n");
-module_param_named(queues_num50, iwl50_mod_params.num_of_queues, int, 0444);
+module_param_named(queues_num50, iwl50_mod_params.num_of_queues, int, S_IRUGO);
 MODULE_PARM_DESC(queues_num50, "number of hw queues in 50xx series");
-module_param_named(11n_disable50, iwl50_mod_params.disable_11n, int, 0444);
+module_param_named(11n_disable50, iwl50_mod_params.disable_11n, int, S_IRUGO);
 MODULE_PARM_DESC(11n_disable50, "disable 50XX 11n functionality");
-module_param_named(amsdu_size_8K50, iwl50_mod_params.amsdu_size_8K, int, 0444);
+module_param_named(amsdu_size_8K50, iwl50_mod_params.amsdu_size_8K,
+		   int, S_IRUGO);
 MODULE_PARM_DESC(amsdu_size_8K50, "enable 8K amsdu size in 50XX series");
-module_param_named(fw_restart50, iwl50_mod_params.restart_fw, int, 0444);
+module_param_named(fw_restart50, iwl50_mod_params.restart_fw, int, S_IRUGO);
 MODULE_PARM_DESC(fw_restart50, "restart firmware in case of error");
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 2a7cc4bdf3f..cf2b481dca6 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -3322,9 +3322,9 @@ module_exit(iwl_exit);
 module_init(iwl_init);
 
 #ifdef CONFIG_IWLWIFI_DEBUG
-module_param_named(debug50, iwl_debug_level, uint, 0444);
+module_param_named(debug50, iwl_debug_level, uint, S_IRUGO);
 MODULE_PARM_DESC(debug50, "50XX debug output mask (deprecated)");
-module_param_named(debug, iwl_debug_level, uint, 0644);
+module_param_named(debug, iwl_debug_level, uint, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(debug, "debug output mask");
 #endif
 
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index c390dbd877e..4a4af0f782f 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -4225,18 +4225,19 @@ static void __exit iwl3945_exit(void)
 
 MODULE_FIRMWARE(IWL3945_MODULE_FIRMWARE(IWL3945_UCODE_API_MAX));
 
-module_param_named(antenna, iwl3945_mod_params.antenna, int, 0444);
+module_param_named(antenna, iwl3945_mod_params.antenna, int, S_IRUGO);
 MODULE_PARM_DESC(antenna, "select antenna (1=Main, 2=Aux, default 0 [both])");
-module_param_named(swcrypto, iwl3945_mod_params.sw_crypto, int, 0444);
+module_param_named(swcrypto, iwl3945_mod_params.sw_crypto, int, S_IRUGO);
 MODULE_PARM_DESC(swcrypto,
 		 "using software crypto (default 1 [software])\n");
 #ifdef CONFIG_IWLWIFI_DEBUG
-module_param_named(debug, iwl_debug_level, uint, 0644);
+module_param_named(debug, iwl_debug_level, uint, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(debug, "debug output mask");
 #endif
-module_param_named(disable_hw_scan, iwl3945_mod_params.disable_hw_scan, int, 0444);
+module_param_named(disable_hw_scan, iwl3945_mod_params.disable_hw_scan,
+		   int, S_IRUGO);
 MODULE_PARM_DESC(disable_hw_scan, "disable hardware scanning (default 0)");
-module_param_named(fw_restart3945, iwl3945_mod_params.restart_fw, int, 0444);
+module_param_named(fw_restart3945, iwl3945_mod_params.restart_fw, int, S_IRUGO);
 MODULE_PARM_DESC(fw_restart3945, "restart firmware in case of error");
 
 module_exit(iwl3945_exit);
-- 
GitLab


From 95407aa4d48a8b3a2adf6a110853b544342913bd Mon Sep 17 00:00:00 2001
From: Daniel C Halperin <daniel.c.halperin@intel.com>
Date: Thu, 17 Sep 2009 10:43:48 -0700
Subject: [PATCH 0116/1815] iwlwifi: clean up rs_tx_status

Cut down on redundant code, reorganize structure, and add/improve comments.
Should contain no functional changes.

Signed-off-by: Daniel C Halperin <daniel.c.halperin@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn-rs.c | 230 ++++++++++------------
 1 file changed, 108 insertions(+), 122 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
index 469d56321d8..cd24763d5fd 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
@@ -820,6 +820,26 @@ out:
 	return rate_n_flags_from_tbl(lq_sta->drv, tbl, low, is_green);
 }
 
+/*
+ * Simple function to compare two rate scale table types
+ */
+static bool table_type_matches(struct iwl_scale_tbl_info *a,
+			       struct iwl_scale_tbl_info *b)
+{
+	return (a->lq_type == b->lq_type) && (a->ant_type == b->ant_type) &&
+		(a->is_SGI == b->is_SGI);
+}
+/*
+ * Static function to get the expected throughput from an iwl_scale_tbl_info
+ * that wraps a NULL pointer check
+ */
+static s32 get_expected_tpt(struct iwl_scale_tbl_info *tbl, int rs_index)
+{
+	if (tbl->expected_tpt)
+		return tbl->expected_tpt[rs_index];
+	return 0;
+}
+
 /*
  * mac80211 sends us Tx status
  */
@@ -827,21 +847,19 @@ static void rs_tx_status(void *priv_r, struct ieee80211_supported_band *sband,
 			 struct ieee80211_sta *sta, void *priv_sta,
 			 struct sk_buff *skb)
 {
-	int status;
-	u8 retries;
-	int rs_index, mac_index, index = 0;
+	int legacy_success;
+	int retries;
+	int rs_index, mac_index, i;
 	struct iwl_lq_sta *lq_sta = priv_sta;
 	struct iwl_link_quality_cmd *table;
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
 	struct iwl_priv *priv = (struct iwl_priv *)priv_r;
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	struct iwl_rate_scale_data *window = NULL;
-	struct iwl_rate_scale_data *search_win = NULL;
 	enum mac80211_rate_control_flags mac_flags;
 	u32 tx_rate;
 	struct iwl_scale_tbl_info tbl_type;
-	struct iwl_scale_tbl_info *curr_tbl, *search_tbl;
-	u8 active_index = 0;
+	struct iwl_scale_tbl_info *curr_tbl, *other_tbl;
 	s32 tpt = 0;
 
 	IWL_DEBUG_RATE_LIMIT(priv, "get frame ack response, update rate scale window\n");
@@ -855,25 +873,10 @@ static void rs_tx_status(void *priv_r, struct ieee80211_supported_band *sband,
 	    !(info->flags & IEEE80211_TX_STAT_AMPDU))
 		return;
 
-	if (info->flags & IEEE80211_TX_STAT_AMPDU)
-		retries = 0;
-	else
-		retries = info->status.rates[0].count - 1;
-
-	if (retries > 15)
-		retries = 15;
 
 	if ((priv->iw_mode == NL80211_IFTYPE_ADHOC) &&
 	    !lq_sta->ibss_sta_added)
-		goto out;
-
-	table = &lq_sta->lq;
-	active_index = lq_sta->active_tbl;
-
-	curr_tbl = &(lq_sta->lq_info[active_index]);
-	search_tbl = &(lq_sta->lq_info[(1 - active_index)]);
-	window = (struct iwl_rate_scale_data *)&(curr_tbl->win[0]);
-	search_win = (struct iwl_rate_scale_data *)&(search_tbl->win[0]);
+		return;
 
 	/*
 	 * Ignore this Tx frame response if its initial rate doesn't match
@@ -883,6 +886,7 @@ static void rs_tx_status(void *priv_r, struct ieee80211_supported_band *sband,
 	 * to check "search" mode, or a prior "search" mode after we've moved
 	 * to a new "search" mode (which might become the new "active" mode).
 	 */
+	table = &lq_sta->lq;
 	tx_rate = le32_to_cpu(table->rs_table[0].rate_n_flags);
 	rs_get_tbl_info_from_mcs(tx_rate, priv->band, &tbl_type, &rs_index);
 	if (priv->band == IEEE80211_BAND_5GHZ)
@@ -901,7 +905,7 @@ static void rs_tx_status(void *priv_r, struct ieee80211_supported_band *sband,
 		if (priv->band == IEEE80211_BAND_2GHZ)
 			mac_index += IWL_FIRST_OFDM_RATE;
 	}
-
+	/* Here we actually compare this rate to the latest LQ command */
 	if ((mac_index < 0) ||
 	    (tbl_type.is_SGI != !!(mac_flags & IEEE80211_TX_RC_SHORT_GI)) ||
 	    (tbl_type.is_ht40 != !!(mac_flags & IEEE80211_TX_RC_40_MHZ_WIDTH)) ||
@@ -911,124 +915,106 @@ static void rs_tx_status(void *priv_r, struct ieee80211_supported_band *sband,
 	    (!!(tx_rate & RATE_MCS_GF_MSK) != !!(mac_flags & IEEE80211_TX_RC_GREEN_FIELD)) ||
 	    (rs_index != mac_index)) {
 		IWL_DEBUG_RATE(priv, "initial rate %d does not match %d (0x%x)\n", mac_index, rs_index, tx_rate);
-		/* the last LQ command could failed so the LQ in ucode not
-		 * the same in driver sync up
+		/*
+		 * Since rates mis-match, the last LQ command may have failed.
+		 * After IWL_MISSED_RATE_MAX mis-matches, resync the uCode with
+		 * ... driver.
 		 */
 		lq_sta->missed_rate_counter++;
 		if (lq_sta->missed_rate_counter > IWL_MISSED_RATE_MAX) {
 			lq_sta->missed_rate_counter = 0;
 			iwl_send_lq_cmd(priv, &lq_sta->lq, CMD_ASYNC);
 		}
-		goto out;
+		/* Regardless, ignore this status info for outdated rate */
+		return;
+	} else
+		/* Rate did match, so reset the missed_rate_counter */
+		lq_sta->missed_rate_counter = 0;
+
+	/* Figure out if rate scale algorithm is in active or search table */
+	if (table_type_matches(&tbl_type,
+				&(lq_sta->lq_info[lq_sta->active_tbl]))) {
+		curr_tbl = &(lq_sta->lq_info[lq_sta->active_tbl]);
+		other_tbl = &(lq_sta->lq_info[1 - lq_sta->active_tbl]);
+	} else if (table_type_matches(&tbl_type,
+				&lq_sta->lq_info[1 - lq_sta->active_tbl])) {
+		curr_tbl = &(lq_sta->lq_info[1 - lq_sta->active_tbl]);
+		other_tbl = &(lq_sta->lq_info[lq_sta->active_tbl]);
+	} else {
+		IWL_DEBUG_RATE(priv, "Neither active nor search matches tx rate\n");
+		return;
 	}
+	window = (struct iwl_rate_scale_data *)&(curr_tbl->win[0]);
 
-	lq_sta->missed_rate_counter = 0;
-	/* Update frame history window with "failure" for each Tx retry. */
-	while (retries) {
-		/* Look up the rate and other info used for each tx attempt.
-		 * Each tx attempt steps one entry deeper in the rate table. */
-		tx_rate = le32_to_cpu(table->rs_table[index].rate_n_flags);
-		rs_get_tbl_info_from_mcs(tx_rate, priv->band,
-					  &tbl_type, &rs_index);
-
-		/* If type matches "search" table,
-		 * add failure to "search" history */
-		if ((tbl_type.lq_type == search_tbl->lq_type) &&
-		    (tbl_type.ant_type == search_tbl->ant_type) &&
-		    (tbl_type.is_SGI == search_tbl->is_SGI)) {
-			if (search_tbl->expected_tpt)
-				tpt = search_tbl->expected_tpt[rs_index];
-			else
-				tpt = 0;
-			rs_collect_tx_data(search_win, rs_index, tpt, 1, 0);
-
-		/* Else if type matches "current/active" table,
-		 * add failure to "current/active" history */
-		} else if ((tbl_type.lq_type == curr_tbl->lq_type) &&
-			   (tbl_type.ant_type == curr_tbl->ant_type) &&
-			   (tbl_type.is_SGI == curr_tbl->is_SGI)) {
-			if (curr_tbl->expected_tpt)
-				tpt = curr_tbl->expected_tpt[rs_index];
-			else
-				tpt = 0;
-			rs_collect_tx_data(window, rs_index, tpt, 1, 0);
+	/*
+	 * Updating the frame history depends on whether packets were
+	 * aggregated.
+	 *
+	 * For aggregation, all packets were transmitted at the same rate, the
+	 * first index into rate scale table.
+	 */
+	if (info->flags & IEEE80211_TX_STAT_AMPDU) {
+		tx_rate = le32_to_cpu(table->rs_table[0].rate_n_flags);
+		rs_get_tbl_info_from_mcs(tx_rate, priv->band, &tbl_type,
+				&rs_index);
+		tpt = get_expected_tpt(curr_tbl, rs_index);
+		rs_collect_tx_data(window, rs_index, tpt,
+				   info->status.ampdu_ack_len,
+				   info->status.ampdu_ack_map);
+
+		/* Update success/fail counts if not searching for new mode */
+		if (lq_sta->stay_in_tbl) {
+			lq_sta->total_success += info->status.ampdu_ack_map;
+			lq_sta->total_failed += (info->status.ampdu_ack_len -
+					info->status.ampdu_ack_map);
 		}
-
-		/* If not searching for a new mode, increment failed counter
-		 * ... this helps determine when to start searching again */
-		if (lq_sta->stay_in_tbl)
-			lq_sta->total_failed++;
-		--retries;
-		index++;
-
-	}
-
+	} else {
 	/*
-	 * Find (by rate) the history window to update with final Tx attempt;
-	 * if Tx was successful first try, use original rate,
-	 * else look up the rate that was, finally, successful.
+	 * For legacy, update frame history with for each Tx retry.
 	 */
-	tx_rate = le32_to_cpu(table->rs_table[index].rate_n_flags);
-	lq_sta->last_rate_n_flags = tx_rate;
-	rs_get_tbl_info_from_mcs(tx_rate, priv->band, &tbl_type, &rs_index);
-
-	/* Update frame history window with "success" if Tx got ACKed ... */
-	status = !!(info->flags & IEEE80211_TX_STAT_ACK);
-
-	/* If type matches "search" table,
-	 * add final tx status to "search" history */
-	if ((tbl_type.lq_type == search_tbl->lq_type) &&
-	    (tbl_type.ant_type == search_tbl->ant_type) &&
-	    (tbl_type.is_SGI == search_tbl->is_SGI)) {
-		if (search_tbl->expected_tpt)
-			tpt = search_tbl->expected_tpt[rs_index];
-		else
-			tpt = 0;
-		if (info->flags & IEEE80211_TX_STAT_AMPDU)
-			rs_collect_tx_data(search_win, rs_index, tpt,
-					   info->status.ampdu_ack_len,
-					   info->status.ampdu_ack_map);
-		else
-			rs_collect_tx_data(search_win, rs_index, tpt,
-					   1, status);
-	/* Else if type matches "current/active" table,
-	 * add final tx status to "current/active" history */
-	} else if ((tbl_type.lq_type == curr_tbl->lq_type) &&
-		   (tbl_type.ant_type == curr_tbl->ant_type) &&
-		   (tbl_type.is_SGI == curr_tbl->is_SGI)) {
-		if (curr_tbl->expected_tpt)
-			tpt = curr_tbl->expected_tpt[rs_index];
-		else
-			tpt = 0;
-		if (info->flags & IEEE80211_TX_STAT_AMPDU)
-			rs_collect_tx_data(window, rs_index, tpt,
-					   info->status.ampdu_ack_len,
-					   info->status.ampdu_ack_map);
-		else
-			rs_collect_tx_data(window, rs_index, tpt,
-					   1, status);
-	}
+		retries = info->status.rates[0].count - 1;
+		/* HW doesn't send more than 15 retries */
+		retries = min(retries, 15);
+
+		/* The last transmission may have been successful */
+		legacy_success = !!(info->flags & IEEE80211_TX_STAT_ACK);
+		/* Collect data for each rate used during failed TX attempts */
+		for (i = 0; i <= retries; ++i) {
+			tx_rate = le32_to_cpu(table->rs_table[i].rate_n_flags);
+			rs_get_tbl_info_from_mcs(tx_rate, priv->band,
+					&tbl_type, &rs_index);
+			/*
+			 * Only collect stats if retried rate is in the same RS
+			 * table as active/search.
+			 */
+			if (table_type_matches(&tbl_type, curr_tbl))
+				tpt = get_expected_tpt(curr_tbl, rs_index);
+			else if (table_type_matches(&tbl_type, other_tbl))
+				tpt = get_expected_tpt(other_tbl, rs_index);
+			else
+				continue;
 
-	/* If not searching for new mode, increment success/failed counter
-	 * ... these help determine when to start searching again */
-	if (lq_sta->stay_in_tbl) {
-		if (info->flags & IEEE80211_TX_STAT_AMPDU) {
-			lq_sta->total_success += info->status.ampdu_ack_map;
-			lq_sta->total_failed +=
-			     (info->status.ampdu_ack_len - info->status.ampdu_ack_map);
-		} else {
-			if (status)
-				lq_sta->total_success++;
+			/* Constants mean 1 transmission, 0 successes */
+			if (i < retries)
+				rs_collect_tx_data(window, rs_index, tpt, 1,
+						0);
 			else
-				lq_sta->total_failed++;
+				rs_collect_tx_data(window, rs_index, tpt, 1,
+						legacy_success);
+		}
+
+		/* Update success/fail counts if not searching for new mode */
+		if (lq_sta->stay_in_tbl) {
+			lq_sta->total_success += legacy_success;
+			lq_sta->total_failed += retries + (1 - legacy_success);
 		}
 	}
+	/* The last TX rate is cached in lq_sta; it's set in if/else above */
+	lq_sta->last_rate_n_flags = tx_rate;
 
 	/* See if there's a better rate or modulation mode to try. */
 	if (sta && sta->supp_rates[sband->band])
 		rs_rate_scale_perform(priv, skb, sta, lq_sta);
-out:
-	return;
 }
 
 /*
-- 
GitLab


From 91a55ae60168847c3c8ab348f10d517407052b71 Mon Sep 17 00:00:00 2001
From: Daniel C Halperin <daniel.c.halperin@intel.com>
Date: Thu, 17 Sep 2009 10:43:49 -0700
Subject: [PATCH 0117/1815] iwlwifi: do not clear TX info flags when receiving
 BlockAckResponse

OR-in AMPDU flags rather than assigning them.  This lets the TX status for
aggregated packets be processed by rs_tx_status.

Signed-off-by: Daniel C Halperin <daniel.c.halperin@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-tx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index c1890754470..ad69479376a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -1400,7 +1400,7 @@ static int iwl_tx_status_reply_compressed_ba(struct iwl_priv *priv,
 
 	info = IEEE80211_SKB_CB(priv->txq[scd_flow].txb[agg->start_idx].skb[0]);
 	memset(&info->status, 0, sizeof(info->status));
-	info->flags = IEEE80211_TX_STAT_ACK;
+	info->flags |= IEEE80211_TX_STAT_ACK;
 	info->flags |= IEEE80211_TX_STAT_AMPDU;
 	info->status.ampdu_ack_map = successes;
 	info->status.ampdu_ack_len = agg->frame_count;
-- 
GitLab


From e3949d62861b3fdef19e80080d670aa1153a23c4 Mon Sep 17 00:00:00 2001
From: Daniel C Halperin <daniel.c.halperin@intel.com>
Date: Thu, 17 Sep 2009 10:43:50 -0700
Subject: [PATCH 0118/1815] iwlwifi: add aggregation tables to the rate scaling
 algorithm

Current rate scale algorithm fluctuates between different MIMO modes fairly
rapidly, causing widely varying performance. These fluctuations occur because in
the rate_scale tables for expected throughput the values are not very different
for different modes.

However, when aggregation is turned on and MAC overhead is reduced, the
expected throughput for different MIMO modes grows and different modes have
vastly different performance. Add expected throughput tables for this case.

We also need to keep track of aggregation status per-station, so we add the
"is_agg" field to struct lq_sta.

Also includes cleanup of comments and variable names in/around the affected
code.

Signed-off-by: Daniel C Halperin <daniel.c.halperin@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn-rs.c | 223 +++++++++++-----------
 1 file changed, 115 insertions(+), 108 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
index cd24763d5fd..e6c35e07f41 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
@@ -171,6 +171,8 @@ struct iwl_lq_sta {
 	int last_txrate_idx;
 	/* last tx rate_n_flags */
 	u32 last_rate_n_flags;
+	/* packets destined for this STA are aggregated */
+	u8 is_agg;
 };
 
 static void rs_rate_scale_perform(struct iwl_priv *priv,
@@ -190,84 +192,78 @@ static void rs_dbgfs_set_mcs(struct iwl_lq_sta *lq_sta,
 {}
 #endif
 
-/*
- * Expected throughput metrics for following rates:
- * 1, 2, 5.5, 11, 6, 9, 12, 18, 24, 36, 48, 54, 60 MBits
- * "G" is the only table that supports CCK (the first 4 rates).
+/**
+ * The following tables contain the expected throughput metrics for all rates
+ *
+ *	1, 2, 5.5, 11, 6, 9, 12, 18, 24, 36, 48, 54, 60 MBits
+ *
+ * where invalid entries are zeros.
+ *
+ * CCK rates are only valid in legacy table and will only be used in G
+ * (2.4 GHz) band.
  */
 
-static s32 expected_tpt_A[IWL_RATE_COUNT] = {
-	0, 0, 0, 0, 40, 57, 72, 98, 121, 154, 177, 186, 186
-};
-
-static s32 expected_tpt_G[IWL_RATE_COUNT] = {
-	7, 13, 35, 58, 40, 57, 72, 98, 121, 154, 177, 186, 186
-};
-
-static s32 expected_tpt_siso20MHz[IWL_RATE_COUNT] = {
-	0, 0, 0, 0, 42, 42, 76, 102, 124, 159, 183, 193, 202
-};
-
-static s32 expected_tpt_siso20MHzSGI[IWL_RATE_COUNT] = {
-	0, 0, 0, 0, 46, 46, 82, 110, 132, 168, 192, 202, 211
-};
-
-static s32 expected_tpt_mimo2_20MHz[IWL_RATE_COUNT] = {
-	0, 0, 0, 0, 74, 74, 123, 155, 179, 214, 236, 244, 251
-};
-
-static s32 expected_tpt_mimo2_20MHzSGI[IWL_RATE_COUNT] = {
-	0, 0, 0, 0, 81, 81, 131, 164, 188, 222, 243, 251, 257
+static s32 expected_tpt_legacy[IWL_RATE_COUNT] = {
+	7, 13, 35, 58, 40, 57, 72, 98, 121, 154, 177, 186, 0
 };
 
-static s32 expected_tpt_siso40MHz[IWL_RATE_COUNT] = {
-	0, 0, 0, 0, 77, 77, 127, 160, 184, 220, 242, 250, 257
+static s32 expected_tpt_siso20MHz[4][IWL_RATE_COUNT] = {
+	{0, 0, 0, 0, 42, 0,  76, 102, 124, 158, 183, 193, 202}, /* Norm */
+	{0, 0, 0, 0, 46, 0,  82, 110, 132, 167, 192, 202, 210}, /* SGI */
+	{0, 0, 0, 0, 48, 0,  93, 135, 176, 251, 319, 351, 381}, /* AGG */
+	{0, 0, 0, 0, 53, 0, 102, 149, 193, 275, 348, 381, 413}, /* AGG+SGI */
 };
 
-static s32 expected_tpt_siso40MHzSGI[IWL_RATE_COUNT] = {
-	0, 0, 0, 0, 83, 83, 135, 169, 193, 229, 250, 257, 264
+static s32 expected_tpt_siso40MHz[4][IWL_RATE_COUNT] = {
+	{0, 0, 0, 0,  77, 0, 127, 160, 184, 220, 242, 250, 257}, /* Norm */
+	{0, 0, 0, 0,  83, 0, 135, 169, 193, 229, 250, 257, 264}, /* SGI */
+	{0, 0, 0, 0,  96, 0, 182, 259, 328, 451, 553, 598, 640}, /* AGG */
+	{0, 0, 0, 0, 106, 0, 199, 282, 357, 487, 593, 640, 683}, /* AGG+SGI */
 };
 
-static s32 expected_tpt_mimo2_40MHz[IWL_RATE_COUNT] = {
-	0, 0, 0, 0, 123, 123, 182, 214, 235, 264, 279, 285, 289
+static s32 expected_tpt_mimo2_20MHz[4][IWL_RATE_COUNT] = {
+	{0, 0, 0, 0,  74, 0, 123, 155, 179, 213, 235, 243, 250}, /* Norm */
+	{0, 0, 0, 0,  81, 0, 131, 164, 187, 221, 242, 250, 256}, /* SGI */
+	{0, 0, 0, 0,  92, 0, 175, 250, 317, 436, 534, 578, 619}, /* AGG */
+	{0, 0, 0, 0, 102, 0, 192, 273, 344, 470, 573, 619, 660}, /* AGG+SGI*/
 };
 
-static s32 expected_tpt_mimo2_40MHzSGI[IWL_RATE_COUNT] = {
-	0, 0, 0, 0, 131, 131, 191, 222, 242, 270, 284, 289, 293
+static s32 expected_tpt_mimo2_40MHz[4][IWL_RATE_COUNT] = {
+	{0, 0, 0, 0, 123, 0, 182, 214, 235, 264, 279, 285, 289}, /* Norm */
+	{0, 0, 0, 0, 131, 0, 191, 222, 242, 270, 284, 289, 293}, /* SGI */
+	{0, 0, 0, 0, 180, 0, 327, 446, 545, 708, 828, 878, 922}, /* AGG */
+	{0, 0, 0, 0, 197, 0, 355, 481, 584, 752, 872, 922, 966}, /* AGG+SGI */
 };
 
-/* Expected throughput metric MIMO3 */
-static s32 expected_tpt_mimo3_20MHz[IWL_RATE_COUNT] = {
-	0, 0, 0, 0, 99, 99, 153, 186, 208, 239, 256, 263, 268
+static s32 expected_tpt_mimo3_20MHz[4][IWL_RATE_COUNT] = {
+	{0, 0, 0, 0,  99, 0, 153, 186, 208, 239, 256, 263, 268}, /* Norm */
+	{0, 0, 0, 0, 106, 0, 162, 194, 215, 246, 262, 268, 273}, /* SGI */
+	{0, 0, 0, 0, 134, 0, 249, 346, 431, 574, 685, 732, 775}, /* AGG */
+	{0, 0, 0, 0, 148, 0, 272, 376, 465, 614, 727, 775, 818}, /* AGG+SGI */
 };
 
-static s32 expected_tpt_mimo3_20MHzSGI[IWL_RATE_COUNT] = {
-	0, 0, 0, 0, 106, 106, 162, 194, 215, 246, 262, 268, 273
-};
-
-static s32 expected_tpt_mimo3_40MHz[IWL_RATE_COUNT] = {
-	0, 0, 0, 0, 152, 152, 211, 239, 255, 279, 290, 294, 297
-};
-
-static s32 expected_tpt_mimo3_40MHzSGI[IWL_RATE_COUNT] = {
-	0, 0, 0, 0, 160, 160, 219, 245, 261, 284, 294, 297, 300
+static s32 expected_tpt_mimo3_40MHz[4][IWL_RATE_COUNT] = {
+	{0, 0, 0, 0, 152, 0, 211, 239, 255, 279,  290,  294,  297}, /* Norm */
+	{0, 0, 0, 0, 160, 0, 219, 245, 261, 284,  294,  297,  300}, /* SGI */
+	{0, 0, 0, 0, 254, 0, 443, 584, 695, 868,  984, 1030, 1070}, /* AGG */
+	{0, 0, 0, 0, 277, 0, 478, 624, 737, 911, 1026, 1070, 1109}, /* AGG+SGI */
 };
 
 /* mbps, mcs */
 const static struct iwl_rate_mcs_info iwl_rate_mcs[IWL_RATE_COUNT] = {
-  {"1", ""},
-  {"2", ""},
-  {"5.5", ""},
-  {"11", ""},
-  {"6", "BPSK 1/2"},
-  {"9", "BPSK 1/2"},
-  {"12", "QPSK 1/2"},
-  {"18", "QPSK 3/4"},
-  {"24", "16QAM 1/2"},
-  {"36", "16QAM 3/4"},
-  {"48", "64QAM 2/3"},
-  {"54", "64QAM 3/4"},
-  {"60", "64QAM 5/6"}
+	{  "1", "BPSK DSSS"},
+	{  "2", "QPSK DSSS"},
+	{"5.5", "BPSK CCK"},
+	{ "11", "QPSK CCK"},
+	{  "6", "BPSK 1/2"},
+	{  "9", "BPSK 1/2"},
+	{ "12", "QPSK 1/2"},
+	{ "18", "QPSK 3/4"},
+	{ "24", "16QAM 1/2"},
+	{ "36", "16QAM 3/4"},
+	{ "48", "64QAM 2/3"},
+	{ "54", "64QAM 3/4"},
+	{ "60", "64QAM 5/6"},
 };
 
 #define MCS_INDEX_PER_STREAM	(8)
@@ -444,7 +440,7 @@ static inline int get_num_of_ant_from_rate(u32 rate_n_flags)
  * packets.
  */
 static int rs_collect_tx_data(struct iwl_rate_scale_data *windows,
-			      int scale_index, s32 tpt, int retries,
+			      int scale_index, s32 tpt, int attempts,
 			      int successes)
 {
 	struct iwl_rate_scale_data *window = NULL;
@@ -454,7 +450,7 @@ static int rs_collect_tx_data(struct iwl_rate_scale_data *windows,
 	if (scale_index < 0 || scale_index >= IWL_RATE_COUNT)
 		return -EINVAL;
 
-	/* Select data for current tx bit rate */
+	/* Select window for current tx bit rate */
 	window = &(windows[scale_index]);
 
 	/*
@@ -465,7 +461,7 @@ static int rs_collect_tx_data(struct iwl_rate_scale_data *windows,
 	 * subtract "1" from the success counter (this is the main reason
 	 * we keep these bitmaps!).
 	 */
-	while (retries > 0) {
+	while (attempts > 0) {
 		if (window->counter >= IWL_RATE_MAX_WINDOW) {
 
 			/* remove earliest */
@@ -480,17 +476,17 @@ static int rs_collect_tx_data(struct iwl_rate_scale_data *windows,
 		/* Increment frames-attempted counter */
 		window->counter++;
 
-		/* Shift bitmap by one frame (throw away oldest history),
-		 * OR in "1", and increment "success" if this
-		 * frame was successful. */
+		/* Shift bitmap by one frame to throw away oldest history */
 		window->data <<= 1;
+
+		/* Mark the most recent #successes attempts as successful */
 		if (successes > 0) {
 			window->success_counter++;
 			window->data |= 0x1;
 			successes--;
 		}
 
-		retries--;
+		attempts--;
 	}
 
 	/* Calculate current success ratio, avoid divide-by-0! */
@@ -868,12 +864,11 @@ static void rs_tx_status(void *priv_r, struct ieee80211_supported_band *sband,
 	    info->flags & IEEE80211_TX_CTL_NO_ACK)
 		return;
 
-	/* This packet was aggregated but doesn't carry rate scale info */
+	/* This packet was aggregated but doesn't carry status info */
 	if ((info->flags & IEEE80211_TX_CTL_AMPDU) &&
 	    !(info->flags & IEEE80211_TX_STAT_AMPDU))
 		return;
 
-
 	if ((priv->iw_mode == NL80211_IFTYPE_ADHOC) &&
 	    !lq_sta->ibss_sta_added)
 		return;
@@ -1052,43 +1047,45 @@ static void rs_set_stay_in_table(struct iwl_priv *priv, u8 is_legacy,
 static void rs_set_expected_tpt_table(struct iwl_lq_sta *lq_sta,
 				      struct iwl_scale_tbl_info *tbl)
 {
+	/* Used to choose among HT tables */
+	s32 (*ht_tbl_pointer)[IWL_RATE_COUNT];
+
+	/* Check for invalid LQ type */
+	if (WARN_ON_ONCE(!is_legacy(tbl->lq_type) && !is_Ht(tbl->lq_type))) {
+		tbl->expected_tpt = expected_tpt_legacy;
+		return;
+	}
+
+	/* Legacy rates have only one table */
 	if (is_legacy(tbl->lq_type)) {
-		if (!is_a_band(tbl->lq_type))
-			tbl->expected_tpt = expected_tpt_G;
-		else
-			tbl->expected_tpt = expected_tpt_A;
-	} else if (is_siso(tbl->lq_type)) {
-		if (tbl->is_ht40 && !lq_sta->is_dup)
-			if (tbl->is_SGI)
-				tbl->expected_tpt = expected_tpt_siso40MHzSGI;
-			else
-				tbl->expected_tpt = expected_tpt_siso40MHz;
-		else if (tbl->is_SGI)
-			tbl->expected_tpt = expected_tpt_siso20MHzSGI;
-		else
-			tbl->expected_tpt = expected_tpt_siso20MHz;
-	} else if (is_mimo2(tbl->lq_type)) {
-		if (tbl->is_ht40 && !lq_sta->is_dup)
-			if (tbl->is_SGI)
-				tbl->expected_tpt = expected_tpt_mimo2_40MHzSGI;
-			else
-				tbl->expected_tpt = expected_tpt_mimo2_40MHz;
-		else if (tbl->is_SGI)
-			tbl->expected_tpt = expected_tpt_mimo2_20MHzSGI;
-		else
-			tbl->expected_tpt = expected_tpt_mimo2_20MHz;
-	} else if (is_mimo3(tbl->lq_type)) {
-		if (tbl->is_ht40 && !lq_sta->is_dup)
-			if (tbl->is_SGI)
-				tbl->expected_tpt = expected_tpt_mimo3_40MHzSGI;
-			else
-				tbl->expected_tpt = expected_tpt_mimo3_40MHz;
-		else if (tbl->is_SGI)
-			tbl->expected_tpt = expected_tpt_mimo3_20MHzSGI;
-		else
-			tbl->expected_tpt = expected_tpt_mimo3_20MHz;
-	} else
-		tbl->expected_tpt = expected_tpt_G;
+		tbl->expected_tpt = expected_tpt_legacy;
+		return;
+	}
+
+	/* Choose among many HT tables depending on number of streams
+	 * (SISO/MIMO2/MIMO3), channel width (20/40), SGI, and aggregation
+	 * status */
+	if (is_siso(tbl->lq_type) && (!tbl->is_ht40 || lq_sta->is_dup))
+		ht_tbl_pointer = expected_tpt_siso20MHz;
+	else if (is_siso(tbl->lq_type))
+		ht_tbl_pointer = expected_tpt_siso40MHz;
+	else if (is_mimo2(tbl->lq_type) && (!tbl->is_ht40 || lq_sta->is_dup))
+		ht_tbl_pointer = expected_tpt_mimo2_20MHz;
+	else if (is_mimo2(tbl->lq_type))
+		ht_tbl_pointer = expected_tpt_mimo2_40MHz;
+	else if (is_mimo3(tbl->lq_type) && (!tbl->is_ht40 || lq_sta->is_dup))
+		ht_tbl_pointer = expected_tpt_mimo3_20MHz;
+	else /* if (is_mimo3(tbl->lq_type)) <-- must be true */
+		ht_tbl_pointer = expected_tpt_mimo3_40MHz;
+
+	if (!tbl->is_SGI && !lq_sta->is_agg)		/* Normal */
+		tbl->expected_tpt = ht_tbl_pointer[0];
+	else if (tbl->is_SGI && !lq_sta->is_agg)	/* SGI */
+		tbl->expected_tpt = ht_tbl_pointer[1];
+	else if (!tbl->is_SGI && lq_sta->is_agg)	/* AGG */
+		tbl->expected_tpt = ht_tbl_pointer[2];
+	else						/* AGG+SGI */
+		tbl->expected_tpt = ht_tbl_pointer[3];
 }
 
 /*
@@ -2063,6 +2060,14 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
 	lq_sta->supp_rates = sta->supp_rates[lq_sta->band];
 
 	tid = rs_tl_add_packet(lq_sta, hdr);
+	if ((tid != MAX_TID_COUNT) && (lq_sta->tx_agg_tid_en & (1 << tid))) {
+		tid_data = &priv->stations[lq_sta->lq.sta_id].tid[tid];
+		if (tid_data->agg.state == IWL_AGG_OFF)
+			lq_sta->is_agg = 0;
+		else
+			lq_sta->is_agg = 1;
+	} else
+		lq_sta->is_agg = 0;
 
 	/*
 	 * Select rate-scale / modulation-mode table to work with in
@@ -2163,10 +2168,10 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
 
 		goto out;
 	}
-
 	/* Else we have enough samples; calculate estimate of
 	 * actual average throughput */
 
+	/* Sanity-check TPT calculations */
 	BUG_ON(window->average_tpt != ((window->success_ratio *
 			tbl->expected_tpt[index] + 64) / 128));
 
@@ -2676,6 +2681,7 @@ static void rs_rate_init(void *priv_r, struct ieee80211_supported_band *sband,
 	lq_sta->last_txrate_idx = rate_lowest_index(sband, sta);
 	if (sband->band == IEEE80211_BAND_5GHZ)
 		lq_sta->last_txrate_idx += IWL_FIRST_OFDM_RATE;
+	lq_sta->is_agg = 0;
 
 	rs_initialize_lq(priv, conf, sta, lq_sta);
 }
@@ -2928,8 +2934,9 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file,
 		   ((is_mimo2(tbl->lq_type)) ? "MIMO2" : "MIMO3"));
 		   desc += sprintf(buff+desc, " %s",
 		   (tbl->is_ht40) ? "40MHz" : "20MHz");
-		   desc += sprintf(buff+desc, " %s %s\n", (tbl->is_SGI) ? "SGI" : "",
-		   (lq_sta->is_green) ? "GF enabled" : "");
+		   desc += sprintf(buff+desc, " %s %s %s\n", (tbl->is_SGI) ? "SGI" : "",
+		   (lq_sta->is_green) ? "GF enabled" : "",
+		   (lq_sta->is_agg) ? "AGG on" : "");
 	}
 	desc += sprintf(buff+desc, "last tx rate=0x%X\n",
 		lq_sta->last_rate_n_flags);
-- 
GitLab


From 2f748deceee10bac563df0e859830cc628d1a841 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Thu, 17 Sep 2009 10:43:51 -0700
Subject: [PATCH 0119/1815] iwlwifi: send cmd to uCode to configure valid tx
 antenna

In order for uCode to select the valid antennas for transmit, driver
need to configure the allowed tx antennas through host command.

The TX_ANT_CONFIGURATION_CMD should be used for 5000 series and up

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-5000.c     | 19 +++++++++++++++++++
 drivers/net/wireless/iwlwifi/iwl-agn.c      |  4 ++++
 drivers/net/wireless/iwlwifi/iwl-commands.h | 12 +++++++++++-
 drivers/net/wireless/iwlwifi/iwl-core.h     |  1 +
 4 files changed, 35 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 75fa55db330..68d97f50fd0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -1450,6 +1450,24 @@ int iwl5000_calc_rssi(struct iwl_priv *priv,
 	return max_rssi - agc - IWL49_RSSI_OFFSET;
 }
 
+static int iwl5000_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant)
+{
+	struct iwl_tx_ant_config_cmd tx_ant_cmd = {
+	  .valid = cpu_to_le32(valid_tx_ant),
+	};
+
+	if (IWL_UCODE_API(priv->ucode_ver) > 1) {
+		IWL_DEBUG_HC(priv, "select valid tx ant: %u\n", valid_tx_ant);
+		return iwl_send_cmd_pdu(priv, TX_ANT_CONFIGURATION_CMD,
+					sizeof(struct iwl_tx_ant_config_cmd),
+					&tx_ant_cmd);
+	} else {
+		IWL_DEBUG_HC(priv, "TX_ANT_CONFIGURATION_CMD not supported\n");
+		return -EOPNOTSUPP;
+	}
+}
+
+
 #define IWL5000_UCODE_GET(item)						\
 static u32 iwl5000_ucode_get_##item(const struct iwl_ucode_header *ucode,\
 				    u32 api_ver)			\
@@ -1492,6 +1510,7 @@ struct iwl_hcmd_ops iwl5000_hcmd = {
 	.rxon_assoc = iwl5000_send_rxon_assoc,
 	.commit_rxon = iwl_commit_rxon,
 	.set_rxon_chain = iwl_set_rxon_chain,
+	.set_tx_ant = iwl5000_send_tx_ant_config,
 };
 
 struct iwl_hcmd_utils_ops iwl5000_hcmd_utils = {
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index cf2b481dca6..5505878dcaf 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1762,6 +1762,10 @@ static void iwl_alive_start(struct iwl_priv *priv)
 	priv->active_rate = priv->rates_mask;
 	priv->active_rate_basic = priv->rates_mask & IWL_BASIC_RATES_MASK;
 
+	/* Configure Tx antenna selection based on H/W config */
+	if (priv->cfg->ops->hcmd->set_tx_ant)
+		priv->cfg->ops->hcmd->set_tx_ant(priv, priv->cfg->valid_tx_ant);
+
 	if (iwl_is_associated(priv)) {
 		struct iwl_rxon_cmd *active_rxon =
 				(struct iwl_rxon_cmd *)&priv->active_rxon;
diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 2c5c88fc38f..e5f40f35dc3 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -148,7 +148,7 @@ enum {
 	QUIET_NOTIFICATION = 0x96,		/* not used */
 	REPLY_TX_PWR_TABLE_CMD = 0x97,
 	REPLY_TX_POWER_DBM_CMD_V1 = 0x98,	/* old version of API */
-	TX_ANT_CONFIGURATION_CMD = 0x98,	/* not used */
+	TX_ANT_CONFIGURATION_CMD = 0x98,
 	MEASURE_ABORT_NOTIFICATION = 0x99,	/* not used */
 
 	/* Bluetooth device coexistence config command */
@@ -411,6 +411,16 @@ struct iwl5000_tx_power_dbm_cmd {
 	u8 reserved;
 } __attribute__ ((packed));
 
+/**
+ * Command TX_ANT_CONFIGURATION_CMD = 0x98
+ * This command is used to configure valid Tx antenna.
+ * By default uCode concludes the valid antenna according to the radio flavor.
+ * This command enables the driver to override/modify this conclusion.
+ */
+struct iwl_tx_ant_config_cmd {
+	__le32 valid;
+} __attribute__ ((packed));
+
 /******************************************************************************
  * (0a)
  * Alive and Error Commands & Responses:
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index c7675c38714..f094cd9de44 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -89,6 +89,7 @@ struct iwl_hcmd_ops {
 	int (*rxon_assoc)(struct iwl_priv *priv);
 	int (*commit_rxon)(struct iwl_priv *priv);
 	void (*set_rxon_chain)(struct iwl_priv *priv);
+	int (*set_tx_ant)(struct iwl_priv *priv, u8 valid_tx_ant);
 };
 
 struct iwl_hcmd_utils_ops {
-- 
GitLab


From 4bd0914fa2a09d655c54fb0355aed7f9182b2187 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Thu, 17 Sep 2009 10:43:52 -0700
Subject: [PATCH 0120/1815] iwlwifi: update PCI Subsystem ID for 1000 series

Update PCI Subsystem ID for 1000 series based on HW SKU. Adding new SKU
for "BG" only devices.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-1000.c | 20 ++++++++++++++++++++
 drivers/net/wireless/iwlwifi/iwl-agn.c  | 14 ++++++++++++--
 drivers/net/wireless/iwlwifi/iwl-dev.h  |  1 +
 3 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c
index 879b3753a3b..3b3e6bc74ba 100644
--- a/drivers/net/wireless/iwlwifi/iwl-1000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-1000.c
@@ -167,3 +167,23 @@ struct iwl_cfg iwl1000_bgn_cfg = {
 	.led_compensation = 51,
 };
 
+struct iwl_cfg iwl1000_bg_cfg = {
+	.name = "1000 Series BG",
+	.fw_name_pre = IWL1000_FW_PRE,
+	.ucode_api_max = IWL1000_UCODE_API_MAX,
+	.ucode_api_min = IWL1000_UCODE_API_MIN,
+	.sku = IWL_SKU_G,
+	.ops = &iwl1000_ops,
+	.eeprom_size = OTP_LOW_IMAGE_SIZE,
+	.eeprom_ver = EEPROM_1000_EEPROM_VERSION,
+	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
+	.mod_params = &iwl50_mod_params,
+	.valid_tx_ant = ANT_A,
+	.valid_rx_ant = ANT_AB,
+	.need_pll_cfg = true,
+	.max_ll_items = OTP_MAX_LL_ITEMS_1000,
+	.shadow_ram_support = false,
+	.ht_greenfield_support = true,
+	.led_compensation = 51,
+};
+
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 5505878dcaf..0c95b0ec5fb 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -3270,8 +3270,18 @@ static struct pci_device_id iwl_hw_card_ids[] = {
 	{IWL_PCI_DEVICE(0x0088, PCI_ANY_ID, iwl6050_3agn_cfg)},
 	{IWL_PCI_DEVICE(0x0089, PCI_ANY_ID, iwl6050_2agn_cfg)},
 /* 1000 Series WiFi */
-	{IWL_PCI_DEVICE(0x0083, PCI_ANY_ID, iwl1000_bgn_cfg)},
-	{IWL_PCI_DEVICE(0x0084, PCI_ANY_ID, iwl1000_bgn_cfg)},
+	{IWL_PCI_DEVICE(0x0083, 0x1205, iwl1000_bgn_cfg)},
+	{IWL_PCI_DEVICE(0x0083, 0x1305, iwl1000_bgn_cfg)},
+	{IWL_PCI_DEVICE(0x0083, 0x1225, iwl1000_bgn_cfg)},
+	{IWL_PCI_DEVICE(0x0083, 0x1325, iwl1000_bgn_cfg)},
+	{IWL_PCI_DEVICE(0x0084, 0x1215, iwl1000_bgn_cfg)},
+	{IWL_PCI_DEVICE(0x0084, 0x1315, iwl1000_bgn_cfg)},
+	{IWL_PCI_DEVICE(0x0083, 0x1206, iwl1000_bg_cfg)},
+	{IWL_PCI_DEVICE(0x0083, 0x1306, iwl1000_bg_cfg)},
+	{IWL_PCI_DEVICE(0x0083, 0x1226, iwl1000_bg_cfg)},
+	{IWL_PCI_DEVICE(0x0083, 0x1326, iwl1000_bg_cfg)},
+	{IWL_PCI_DEVICE(0x0084, 0x1216, iwl1000_bg_cfg)},
+	{IWL_PCI_DEVICE(0x0084, 0x1316, iwl1000_bg_cfg)},
 #endif /* CONFIG_IWL5000 */
 
 	{0}
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 0c80692f934..cca4c6a4b06 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -62,6 +62,7 @@ extern struct iwl_cfg iwl6000_3agn_cfg;
 extern struct iwl_cfg iwl6050_2agn_cfg;
 extern struct iwl_cfg iwl6050_3agn_cfg;
 extern struct iwl_cfg iwl1000_bgn_cfg;
+extern struct iwl_cfg iwl1000_bg_cfg;
 
 struct iwl_tx_queue;
 
-- 
GitLab


From 5953a62e7df064a5d7ba7e790d590f27c65ddf4c Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Thu, 17 Sep 2009 10:43:53 -0700
Subject: [PATCH 0121/1815] iwlwifi: update PCI Subsystem ID for 6000 series

Update PCI Subsystem ID for 60x0 series based on HW SKU. Adding new SKU
for "ABG" and "BG" only devices.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-6000.c | 105 ++++++++++++++++++++++++
 drivers/net/wireless/iwlwifi/iwl-agn.c  |  43 +++++++---
 drivers/net/wireless/iwlwifi/iwl-dev.h  |   5 ++
 3 files changed, 142 insertions(+), 11 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index 0d2cbab1f7d..01a1f81cba2 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -262,6 +262,48 @@ struct iwl_cfg iwl6000h_2agn_cfg = {
 	.use_rts_for_ht = true, /* use rts/cts protection */
 };
 
+struct iwl_cfg iwl6000h_2abg_cfg = {
+	.name = "6000 Series 2x2 ABG",
+	.fw_name_pre = IWL6000_FW_PRE,
+	.ucode_api_max = IWL6000_UCODE_API_MAX,
+	.ucode_api_min = IWL6000_UCODE_API_MIN,
+	.sku = IWL_SKU_A|IWL_SKU_G,
+	.ops = &iwl6000_ops,
+	.eeprom_size = OTP_LOW_IMAGE_SIZE,
+	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
+	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
+	.mod_params = &iwl50_mod_params,
+	.valid_tx_ant = ANT_AB,
+	.valid_rx_ant = ANT_AB,
+	.need_pll_cfg = false,
+	.pa_type = IWL_PA_HYBRID,
+	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
+	.shadow_ram_support = true,
+	.ht_greenfield_support = true,
+	.led_compensation = 51,
+};
+
+struct iwl_cfg iwl6000h_2bg_cfg = {
+	.name = "6000 Series 2x2 BG",
+	.fw_name_pre = IWL6000_FW_PRE,
+	.ucode_api_max = IWL6000_UCODE_API_MAX,
+	.ucode_api_min = IWL6000_UCODE_API_MIN,
+	.sku = IWL_SKU_G,
+	.ops = &iwl6000_ops,
+	.eeprom_size = OTP_LOW_IMAGE_SIZE,
+	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
+	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
+	.mod_params = &iwl50_mod_params,
+	.valid_tx_ant = ANT_AB,
+	.valid_rx_ant = ANT_AB,
+	.need_pll_cfg = false,
+	.pa_type = IWL_PA_HYBRID,
+	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
+	.shadow_ram_support = true,
+	.ht_greenfield_support = true,
+	.led_compensation = 51,
+};
+
 /*
  * "i": Internal configuration, use internal Power Amplifier
  */
@@ -287,6 +329,48 @@ struct iwl_cfg iwl6000i_2agn_cfg = {
 	.use_rts_for_ht = true, /* use rts/cts protection */
 };
 
+struct iwl_cfg iwl6000i_2abg_cfg = {
+	.name = "6000 Series 2x2 ABG",
+	.fw_name_pre = IWL6000_FW_PRE,
+	.ucode_api_max = IWL6000_UCODE_API_MAX,
+	.ucode_api_min = IWL6000_UCODE_API_MIN,
+	.sku = IWL_SKU_A|IWL_SKU_G,
+	.ops = &iwl6000_ops,
+	.eeprom_size = OTP_LOW_IMAGE_SIZE,
+	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
+	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
+	.mod_params = &iwl50_mod_params,
+	.valid_tx_ant = ANT_BC,
+	.valid_rx_ant = ANT_BC,
+	.need_pll_cfg = false,
+	.pa_type = IWL_PA_INTERNAL,
+	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
+	.shadow_ram_support = true,
+	.ht_greenfield_support = true,
+	.led_compensation = 51,
+};
+
+struct iwl_cfg iwl6000i_2bg_cfg = {
+	.name = "6000 Series 2x2 BG",
+	.fw_name_pre = IWL6000_FW_PRE,
+	.ucode_api_max = IWL6000_UCODE_API_MAX,
+	.ucode_api_min = IWL6000_UCODE_API_MIN,
+	.sku = IWL_SKU_G,
+	.ops = &iwl6000_ops,
+	.eeprom_size = OTP_LOW_IMAGE_SIZE,
+	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
+	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
+	.mod_params = &iwl50_mod_params,
+	.valid_tx_ant = ANT_BC,
+	.valid_rx_ant = ANT_BC,
+	.need_pll_cfg = false,
+	.pa_type = IWL_PA_INTERNAL,
+	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
+	.shadow_ram_support = true,
+	.ht_greenfield_support = true,
+	.led_compensation = 51,
+};
+
 struct iwl_cfg iwl6050_2agn_cfg = {
 	.name = "6050 Series 2x2 AGN",
 	.fw_name_pre = IWL6050_FW_PRE,
@@ -309,6 +393,27 @@ struct iwl_cfg iwl6050_2agn_cfg = {
 	.use_rts_for_ht = true, /* use rts/cts protection */
 };
 
+struct iwl_cfg iwl6050_2abg_cfg = {
+	.name = "6050 Series 2x2 ABG",
+	.fw_name_pre = IWL6050_FW_PRE,
+	.ucode_api_max = IWL6050_UCODE_API_MAX,
+	.ucode_api_min = IWL6050_UCODE_API_MIN,
+	.sku = IWL_SKU_A|IWL_SKU_G,
+	.ops = &iwl6000_ops,
+	.eeprom_size = OTP_LOW_IMAGE_SIZE,
+	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
+	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
+	.mod_params = &iwl50_mod_params,
+	.valid_tx_ant = ANT_AB,
+	.valid_rx_ant = ANT_AB,
+	.need_pll_cfg = false,
+	.pa_type = IWL_PA_SYSTEM,
+	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
+	.shadow_ram_support = true,
+	.ht_greenfield_support = true,
+	.led_compensation = 51,
+};
+
 struct iwl_cfg iwl6000_3agn_cfg = {
 	.name = "6000 Series 3x3 AGN",
 	.fw_name_pre = IWL6000_FW_PRE,
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 0c95b0ec5fb..26c66b4ffd6 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -3258,17 +3258,38 @@ static struct pci_device_id iwl_hw_card_ids[] = {
 /* 5150 Wifi/WiMax */
 	{IWL_PCI_DEVICE(0x423C, PCI_ANY_ID, iwl5150_agn_cfg)},
 	{IWL_PCI_DEVICE(0x423D, PCI_ANY_ID, iwl5150_agn_cfg)},
-/* 6000/6050 Series */
-	{IWL_PCI_DEVICE(0x008D, PCI_ANY_ID, iwl6000h_2agn_cfg)},
-	{IWL_PCI_DEVICE(0x008E, PCI_ANY_ID, iwl6000h_2agn_cfg)},
-	{IWL_PCI_DEVICE(0x422B, PCI_ANY_ID, iwl6000_3agn_cfg)},
-	{IWL_PCI_DEVICE(0x422C, PCI_ANY_ID, iwl6000i_2agn_cfg)},
-	{IWL_PCI_DEVICE(0x4238, PCI_ANY_ID, iwl6000_3agn_cfg)},
-	{IWL_PCI_DEVICE(0x4239, PCI_ANY_ID, iwl6000i_2agn_cfg)},
-	{IWL_PCI_DEVICE(0x0086, PCI_ANY_ID, iwl6050_3agn_cfg)},
-	{IWL_PCI_DEVICE(0x0087, PCI_ANY_ID, iwl6050_2agn_cfg)},
-	{IWL_PCI_DEVICE(0x0088, PCI_ANY_ID, iwl6050_3agn_cfg)},
-	{IWL_PCI_DEVICE(0x0089, PCI_ANY_ID, iwl6050_2agn_cfg)},
+
+/* 6x00 Series */
+	{IWL_PCI_DEVICE(0x008D, 0x1301, iwl6000h_2agn_cfg)},
+	{IWL_PCI_DEVICE(0x008D, 0x1321, iwl6000h_2agn_cfg)},
+	{IWL_PCI_DEVICE(0x008D, 0x1326, iwl6000h_2abg_cfg)},
+	{IWL_PCI_DEVICE(0x008D, 0x1306, iwl6000h_2abg_cfg)},
+	{IWL_PCI_DEVICE(0x008D, 0x1307, iwl6000h_2bg_cfg)},
+	{IWL_PCI_DEVICE(0x008E, 0x1311, iwl6000h_2agn_cfg)},
+	{IWL_PCI_DEVICE(0x008E, 0x1316, iwl6000h_2abg_cfg)},
+
+	{IWL_PCI_DEVICE(0x422B, 0x1101, iwl6000_3agn_cfg)},
+	{IWL_PCI_DEVICE(0x422B, 0x1121, iwl6000_3agn_cfg)},
+	{IWL_PCI_DEVICE(0x422C, 0x1301, iwl6000i_2agn_cfg)},
+	{IWL_PCI_DEVICE(0x422C, 0x1306, iwl6000i_2abg_cfg)},
+	{IWL_PCI_DEVICE(0x422C, 0x1307, iwl6000i_2bg_cfg)},
+	{IWL_PCI_DEVICE(0x422C, 0x1321, iwl6000i_2agn_cfg)},
+	{IWL_PCI_DEVICE(0x422C, 0x1326, iwl6000i_2abg_cfg)},
+	{IWL_PCI_DEVICE(0x4238, 0x1111, iwl6000_3agn_cfg)},
+	{IWL_PCI_DEVICE(0x4239, 0x1311, iwl6000i_2agn_cfg)},
+	{IWL_PCI_DEVICE(0x4239, 0x1316, iwl6000i_2abg_cfg)},
+
+/* 6x50 WiFi/WiMax Series */
+	{IWL_PCI_DEVICE(0x0086, 0x1101, iwl6050_3agn_cfg)},
+	{IWL_PCI_DEVICE(0x0086, 0x1121, iwl6050_3agn_cfg)},
+	{IWL_PCI_DEVICE(0x0087, 0x1301, iwl6050_2agn_cfg)},
+	{IWL_PCI_DEVICE(0x0087, 0x1306, iwl6050_2abg_cfg)},
+	{IWL_PCI_DEVICE(0x0087, 0x1321, iwl6050_2agn_cfg)},
+	{IWL_PCI_DEVICE(0x0087, 0x1326, iwl6050_2abg_cfg)},
+	{IWL_PCI_DEVICE(0x0088, 0x1111, iwl6050_3agn_cfg)},
+	{IWL_PCI_DEVICE(0x0089, 0x1311, iwl6050_2agn_cfg)},
+	{IWL_PCI_DEVICE(0x0089, 0x1316, iwl6050_2abg_cfg)},
+
 /* 1000 Series WiFi */
 	{IWL_PCI_DEVICE(0x0083, 0x1205, iwl1000_bgn_cfg)},
 	{IWL_PCI_DEVICE(0x0083, 0x1305, iwl1000_bgn_cfg)},
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index cca4c6a4b06..3ea97be7f6b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -57,9 +57,14 @@ extern struct iwl_cfg iwl5100_bg_cfg;
 extern struct iwl_cfg iwl5100_abg_cfg;
 extern struct iwl_cfg iwl5150_agn_cfg;
 extern struct iwl_cfg iwl6000h_2agn_cfg;
+extern struct iwl_cfg iwl6000h_2abg_cfg;
+extern struct iwl_cfg iwl6000h_2bg_cfg;
 extern struct iwl_cfg iwl6000i_2agn_cfg;
+extern struct iwl_cfg iwl6000i_2abg_cfg;
+extern struct iwl_cfg iwl6000i_2bg_cfg;
 extern struct iwl_cfg iwl6000_3agn_cfg;
 extern struct iwl_cfg iwl6050_2agn_cfg;
+extern struct iwl_cfg iwl6050_2abg_cfg;
 extern struct iwl_cfg iwl6050_3agn_cfg;
 extern struct iwl_cfg iwl1000_bgn_cfg;
 extern struct iwl_cfg iwl1000_bg_cfg;
-- 
GitLab


From 02f5dac08364d01a8b2c8e298b529b97f356b3f5 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Thu, 17 Sep 2009 10:43:54 -0700
Subject: [PATCH 0122/1815] iwlwifi: add LED mode to support different LED
 behavior

Today's implementation allow LED to blink based on the traffic
condition. We introduce an additional LED mode that reflects the RF
state.

The supported LED modes after this are:
  IWL_LED_BLINK (current/default) - blink rate based on current Tx/Rx
                                    traffic
  IWL_LED_RF_STATE (new) -
    LED OFF: No power/RF disabled, the LED is emitting no light
    LED ON:  Powered/RF enabled, the LED is emitting light
             in a stable non-flashing state.

In order to provide the flexibility to support different LED
behavior per user/system preference we add "led_mode" iwlcore module
parameter.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-led.c |  9 ++++++++-
 drivers/net/wireless/iwlwifi/iwl-led.h | 12 ++++++++++++
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-led.c b/drivers/net/wireless/iwlwifi/iwl-led.c
index f547233c5b7..685ba9d6f08 100644
--- a/drivers/net/wireless/iwlwifi/iwl-led.c
+++ b/drivers/net/wireless/iwlwifi/iwl-led.c
@@ -42,6 +42,12 @@
 #include "iwl-core.h"
 #include "iwl-io.h"
 
+/* default: IWL_LED_BLINK(0) using blinking index table */
+static int led_mode;
+module_param(led_mode, int, S_IRUGO);
+MODULE_PARM_DESC(led_mode, "led mode: 0=blinking, 1=On(RF On)/Off(RF Off), "
+			   "(default 0)\n");
+
 #ifdef CONFIG_IWLWIFI_DEBUG
 static const char *led_type_str[] = {
 	__stringify(IWL_LED_TRG_TX),
@@ -199,7 +205,8 @@ static int iwl_led_off_reg(struct iwl_priv *priv, int led_id)
 static int iwl_led_associate(struct iwl_priv *priv, int led_id)
 {
 	IWL_DEBUG_LED(priv, "Associated\n");
-	priv->allow_blinking = 1;
+	if (led_mode == IWL_LED_BLINK)
+		priv->allow_blinking = 1;
 	return iwl_led_on_reg(priv, led_id);
 }
 static int iwl_led_disassociate(struct iwl_priv *priv, int led_id)
diff --git a/drivers/net/wireless/iwlwifi/iwl-led.h b/drivers/net/wireless/iwlwifi/iwl-led.h
index ef9b174c37f..dd76b266c63 100644
--- a/drivers/net/wireless/iwlwifi/iwl-led.h
+++ b/drivers/net/wireless/iwlwifi/iwl-led.h
@@ -47,6 +47,18 @@ enum led_type {
 	IWL_LED_TRG_RADIO,
 	IWL_LED_TRG_MAX,
 };
+
+/*
+ * LED mode
+ *    IWL_LED_BLINK:    adjust led blink rate based on blink table
+ *    IWL_LED_RF_STATE: turn LED on/off based on RF state
+ *			LED ON  = RF ON
+ *			LED OFF = RF OFF
+ */
+enum iwl_led_mode {
+	IWL_LED_BLINK,
+	IWL_LED_RF_STATE,
+};
 #endif
 
 #ifdef CONFIG_IWLWIFI_LEDS
-- 
GitLab


From 9bddbab36d736c181678e07515aaa63045bdcea7 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Fri, 25 Sep 2009 14:24:24 -0700
Subject: [PATCH 0123/1815] iwlwifi: fix a typo

We never have four chains, but let's fix the typo
while we noticed it. You count 0, 1, 2, 3, not
0, 1, 2, 4 :)

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 2908bff49a3..5ff0f66f8aa 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -984,7 +984,7 @@ static u8 iwl_count_chain_bitmap(u32 chain_bitmap)
 	res = (chain_bitmap & BIT(0)) >> 0;
 	res += (chain_bitmap & BIT(1)) >> 1;
 	res += (chain_bitmap & BIT(2)) >> 2;
-	res += (chain_bitmap & BIT(4)) >> 4;
+	res += (chain_bitmap & BIT(3)) >> 3;
 	return res;
 }
 
-- 
GitLab


From 2b396a120922062a0ffd2648be3ed7e72ff83620 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Fri, 25 Sep 2009 14:24:25 -0700
Subject: [PATCH 0124/1815] iwlwifi: default to using all chains

When instructing the microcode to use just a single
chain when we have power saving enabled, we should
also tell the AP that we are doing SM powersave.
However, using a single chain doesn't actually have
any power saving advantage while idle -- measurements
show that the power consumption is no different when
using one vs. two or three chains.

Therefore, always instruct the microcode to use all
chains.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-core.c | 30 ++++++++++++++-----------
 1 file changed, 17 insertions(+), 13 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 5ff0f66f8aa..e97b104ba1d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -948,8 +948,13 @@ EXPORT_SYMBOL(iwl_set_rxon_ht);
 #define IWL_NUM_IDLE_CHAINS_DUAL	2
 #define IWL_NUM_IDLE_CHAINS_SINGLE	1
 
-/* Determine how many receiver/antenna chains to use.
- * More provides better reception via diversity.  Fewer saves power.
+/*
+ * Determine how many receiver/antenna chains to use.
+ *
+ * More provides better reception via diversity.  Fewer saves power
+ * at the expense of throughput, but only when not in powersave to
+ * start with.
+ *
  * MIMO (dual stream) requires at least 2, but works better with 3.
  * This does not determine *which* chains to use, just how many.
  */
@@ -962,19 +967,18 @@ static int iwl_get_active_rx_chain_count(struct iwl_priv *priv)
 		return IWL_NUM_RX_CHAINS_MULTIPLE;
 }
 
+/*
+ * When we are in power saving, there's no difference between
+ * using multiple chains or just a single chain, but due to the
+ * lack of SM PS we lose a lot of throughput if we use just a
+ * single chain.
+ *
+ * Therefore, use the active count here (which will use multiple
+ * chains unless connected to a legacy AP).
+ */
 static int iwl_get_idle_rx_chain_count(struct iwl_priv *priv, int active_cnt)
 {
-	bool is_cam = !test_bit(STATUS_POWER_PMI, &priv->status);
-
-	/* # Rx chains when idling and maybe trying to save power */
-
-	/*
-	 * XXX: this is incorrect!!
-	 *	we always indicate to the AP that
-	 *	our SM PS mode is "disabled"
-	 */
-
-	return is_cam ? active_cnt : IWL_NUM_IDLE_CHAINS_SINGLE;
+	return active_cnt;
 }
 
 /* up to 4 chains */
-- 
GitLab


From d8c07e7a84950b5fdef424c6dabe6bed3a9ffa19 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 25 Sep 2009 14:24:26 -0700
Subject: [PATCH 0125/1815] iwlwifi: Chain Noise Calibration for 6000 series

Adding support of Chain Noise Calibration for 6000 series NICs.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-1000.c  |  2 +
 drivers/net/wireless/iwlwifi/iwl-4965.c  |  6 ++-
 drivers/net/wireless/iwlwifi/iwl-5000.c  | 15 ++++--
 drivers/net/wireless/iwlwifi/iwl-6000.c  | 19 ++++---
 drivers/net/wireless/iwlwifi/iwl-calib.c | 64 +++++++++++++++++-------
 drivers/net/wireless/iwlwifi/iwl-core.h  |  5 +-
 drivers/net/wireless/iwlwifi/iwl-dev.h   |  3 +-
 7 files changed, 80 insertions(+), 34 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c
index 3b3e6bc74ba..9dfd4c407ef 100644
--- a/drivers/net/wireless/iwlwifi/iwl-1000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-1000.c
@@ -165,6 +165,7 @@ struct iwl_cfg iwl1000_bgn_cfg = {
 	.shadow_ram_support = false,
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
+	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 };
 
 struct iwl_cfg iwl1000_bg_cfg = {
@@ -185,5 +186,6 @@ struct iwl_cfg iwl1000_bg_cfg = {
 	.shadow_ram_support = false,
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
+	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 };
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index b5111702856..4e492c154f8 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -495,14 +495,15 @@ static void iwl4965_chain_noise_reset(struct iwl_priv *priv)
 static void iwl4965_gain_computation(struct iwl_priv *priv,
 		u32 *average_noise,
 		u16 min_average_noise_antenna_i,
-		u32 min_average_noise)
+		u32 min_average_noise,
+		u8 default_chain)
 {
 	int i, ret;
 	struct iwl_chain_noise_data *data = &priv->chain_noise_data;
 
 	data->delta_gain_code[min_average_noise_antenna_i] = 0;
 
-	for (i = 0; i < NUM_RX_CHAINS; i++) {
+	for (i = default_chain; i < NUM_RX_CHAINS; i++) {
 		s32 delta_g = 0;
 
 		if (!(data->disconn_array[i]) &&
@@ -2356,6 +2357,7 @@ struct iwl_cfg iwl4965_agn_cfg = {
 	.ht_greenfield_support = false,
 	.broken_powersave = true,
 	.led_compensation = 61,
+	.chain_noise_num_beacons = IWL4965_CAL_NUM_BEACONS,
 };
 
 /* Module firmware */
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 68d97f50fd0..660fd51d190 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -301,14 +301,17 @@ u16 iwl5000_eeprom_calib_version(struct iwl_priv *priv)
 static void iwl5000_gain_computation(struct iwl_priv *priv,
 		u32 average_noise[NUM_RX_CHAINS],
 		u16 min_average_noise_antenna_i,
-		u32 min_average_noise)
+		u32 min_average_noise,
+		u8 default_chain)
 {
 	int i;
 	s32 delta_g;
 	struct iwl_chain_noise_data *data = &priv->chain_noise_data;
 
-	/* Find Gain Code for the antennas B and C */
-	for (i = 1; i < NUM_RX_CHAINS; i++) {
+	/*
+	 * Find Gain Code for the chains based on "default chain"
+	 */
+	for (i = default_chain + 1; i < NUM_RX_CHAINS; i++) {
 		if ((data->disconn_array[i])) {
 			data->delta_gain_code[i] = 0;
 			continue;
@@ -1676,6 +1679,7 @@ struct iwl_cfg iwl5300_agn_cfg = {
 	.need_pll_cfg = true,
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
+	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 };
 
 struct iwl_cfg iwl5100_bg_cfg = {
@@ -1694,6 +1698,7 @@ struct iwl_cfg iwl5100_bg_cfg = {
 	.need_pll_cfg = true,
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
+	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 };
 
 struct iwl_cfg iwl5100_abg_cfg = {
@@ -1712,6 +1717,7 @@ struct iwl_cfg iwl5100_abg_cfg = {
 	.need_pll_cfg = true,
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
+	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 };
 
 struct iwl_cfg iwl5100_agn_cfg = {
@@ -1730,6 +1736,7 @@ struct iwl_cfg iwl5100_agn_cfg = {
 	.need_pll_cfg = true,
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
+	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 };
 
 struct iwl_cfg iwl5350_agn_cfg = {
@@ -1748,6 +1755,7 @@ struct iwl_cfg iwl5350_agn_cfg = {
 	.need_pll_cfg = true,
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
+	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 };
 
 struct iwl_cfg iwl5150_agn_cfg = {
@@ -1766,6 +1774,7 @@ struct iwl_cfg iwl5150_agn_cfg = {
 	.need_pll_cfg = true,
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
+	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 };
 
 MODULE_FIRMWARE(IWL5000_MODULE_FIRMWARE(IWL5000_UCODE_API_MAX));
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index 01a1f81cba2..ad5d77c9649 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -222,18 +222,11 @@ static struct iwl_lib_ops iwl6000_lib = {
 	 },
 };
 
-static struct iwl_hcmd_utils_ops iwl6000_hcmd_utils = {
-	.get_hcmd_size = iwl5000_get_hcmd_size,
-	.build_addsta_hcmd = iwl5000_build_addsta_hcmd,
-	.rts_tx_cmd_flag = iwl5000_rts_tx_cmd_flag,
-	.calc_rssi = iwl5000_calc_rssi,
-};
-
 static struct iwl_ops iwl6000_ops = {
 	.ucode = &iwl5000_ucode,
 	.lib = &iwl6000_lib,
 	.hcmd = &iwl5000_hcmd,
-	.utils = &iwl6000_hcmd_utils,
+	.utils = &iwl5000_hcmd_utils,
 };
 
 
@@ -260,6 +253,7 @@ struct iwl_cfg iwl6000h_2agn_cfg = {
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
 	.use_rts_for_ht = true, /* use rts/cts protection */
+	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 };
 
 struct iwl_cfg iwl6000h_2abg_cfg = {
@@ -281,6 +275,7 @@ struct iwl_cfg iwl6000h_2abg_cfg = {
 	.shadow_ram_support = true,
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
+	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 };
 
 struct iwl_cfg iwl6000h_2bg_cfg = {
@@ -302,6 +297,7 @@ struct iwl_cfg iwl6000h_2bg_cfg = {
 	.shadow_ram_support = true,
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
+	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 };
 
 /*
@@ -327,6 +323,7 @@ struct iwl_cfg iwl6000i_2agn_cfg = {
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
 	.use_rts_for_ht = true, /* use rts/cts protection */
+	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 };
 
 struct iwl_cfg iwl6000i_2abg_cfg = {
@@ -348,6 +345,7 @@ struct iwl_cfg iwl6000i_2abg_cfg = {
 	.shadow_ram_support = true,
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
+	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 };
 
 struct iwl_cfg iwl6000i_2bg_cfg = {
@@ -369,6 +367,7 @@ struct iwl_cfg iwl6000i_2bg_cfg = {
 	.shadow_ram_support = true,
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
+	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 };
 
 struct iwl_cfg iwl6050_2agn_cfg = {
@@ -391,6 +390,7 @@ struct iwl_cfg iwl6050_2agn_cfg = {
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
 	.use_rts_for_ht = true, /* use rts/cts protection */
+	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 };
 
 struct iwl_cfg iwl6050_2abg_cfg = {
@@ -412,6 +412,7 @@ struct iwl_cfg iwl6050_2abg_cfg = {
 	.shadow_ram_support = true,
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
+	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 };
 
 struct iwl_cfg iwl6000_3agn_cfg = {
@@ -434,6 +435,7 @@ struct iwl_cfg iwl6000_3agn_cfg = {
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
 	.use_rts_for_ht = true, /* use rts/cts protection */
+	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 };
 
 struct iwl_cfg iwl6050_3agn_cfg = {
@@ -456,6 +458,7 @@ struct iwl_cfg iwl6050_3agn_cfg = {
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
 	.use_rts_for_ht = true, /* use rts/cts protection */
+	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 };
 
 MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX));
diff --git a/drivers/net/wireless/iwlwifi/iwl-calib.c b/drivers/net/wireless/iwlwifi/iwl-calib.c
index 6e73317c3b4..69a80d7c2e4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-calib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-calib.c
@@ -643,6 +643,15 @@ void iwl_sensitivity_calibration(struct iwl_priv *priv,
 }
 EXPORT_SYMBOL(iwl_sensitivity_calibration);
 
+static inline u8 find_first_chain(u8 mask)
+{
+	if (mask & ANT_A)
+		return CHAIN_A;
+	if (mask & ANT_B)
+		return CHAIN_B;
+	return CHAIN_C;
+}
+
 /*
  * Accumulate 20 beacons of signal and noise statistics for each of
  *   3 receivers/antennas/rx-chains, then figure out:
@@ -675,14 +684,17 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv,
 	u8 num_tx_chains;
 	unsigned long flags;
 	struct statistics_rx_non_phy *rx_info = &(stat_resp->rx.general);
+	u8 first_chain;
 
 	if (priv->disable_chain_noise_cal)
 		return;
 
 	data = &(priv->chain_noise_data);
 
-	/* Accumulate just the first 20 beacons after the first association,
-	 *   then we're done forever. */
+	/*
+	 * Accumulate just the first "chain_noise_num_beacons" after
+	 * the first association, then we're done forever.
+	 */
 	if (data->state != IWL_CHAIN_NOISE_ACCUMULATE) {
 		if (data->state == IWL_CHAIN_NOISE_ALIVE)
 			IWL_DEBUG_CALIB(priv, "Wait for noise calib reset\n");
@@ -710,7 +722,10 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv,
 		return;
 	}
 
-	/* Accumulate beacon statistics values across 20 beacons */
+	/*
+	 *  Accumulate beacon statistics values across
+	 * "chain_noise_num_beacons"
+	 */
 	chain_noise_a = le32_to_cpu(rx_info->beacon_silence_rssi_a) &
 				IN_BAND_FILTER;
 	chain_noise_b = le32_to_cpu(rx_info->beacon_silence_rssi_b) &
@@ -741,16 +756,19 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv,
 	IWL_DEBUG_CALIB(priv, "chain_noise: a %d b %d c %d\n",
 			chain_noise_a, chain_noise_b, chain_noise_c);
 
-	/* If this is the 20th beacon, determine:
+	/* If this is the "chain_noise_num_beacons", determine:
 	 * 1)  Disconnected antennas (using signal strengths)
 	 * 2)  Differential gain (using silence noise) to balance receivers */
-	if (data->beacon_count != CAL_NUM_OF_BEACONS)
+	if (data->beacon_count != priv->cfg->chain_noise_num_beacons)
 		return;
 
 	/* Analyze signal for disconnected antenna */
-	average_sig[0] = (data->chain_signal_a) / CAL_NUM_OF_BEACONS;
-	average_sig[1] = (data->chain_signal_b) / CAL_NUM_OF_BEACONS;
-	average_sig[2] = (data->chain_signal_c) / CAL_NUM_OF_BEACONS;
+	average_sig[0] =
+		(data->chain_signal_a) / priv->cfg->chain_noise_num_beacons;
+	average_sig[1] =
+		(data->chain_signal_b) / priv->cfg->chain_noise_num_beacons;
+	average_sig[2] =
+		(data->chain_signal_c) / priv->cfg->chain_noise_num_beacons;
 
 	if (average_sig[0] >= average_sig[1]) {
 		max_average_sig = average_sig[0];
@@ -803,13 +821,17 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv,
 			/* there is a Tx antenna connected */
 			break;
 		if (num_tx_chains == priv->hw_params.tx_chains_num &&
-		data->disconn_array[i]) {
-			/* This is the last TX antenna and is also
-			 * disconnected connect it anyway */
-			data->disconn_array[i] = 0;
-			active_chains |= ant_msk;
-			IWL_DEBUG_CALIB(priv, "All Tx chains are disconnected W/A - "
-				"declare %d as connected\n", i);
+		    data->disconn_array[i]) {
+			/*
+			 * If all chains are disconnected
+			 * connect the first valid tx chain
+			 */
+			first_chain =
+				find_first_chain(priv->cfg->valid_tx_ant);
+			data->disconn_array[first_chain] = 0;
+			active_chains |= BIT(first_chain);
+			IWL_DEBUG_CALIB(priv, "All Tx chains are disconnected W/A - declare %d as connected\n",
+					first_chain);
 			break;
 		}
 	}
@@ -820,9 +842,12 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv,
 			active_chains);
 
 	/* Analyze noise for rx balance */
-	average_noise[0] = ((data->chain_noise_a)/CAL_NUM_OF_BEACONS);
-	average_noise[1] = ((data->chain_noise_b)/CAL_NUM_OF_BEACONS);
-	average_noise[2] = ((data->chain_noise_c)/CAL_NUM_OF_BEACONS);
+	average_noise[0] =
+		((data->chain_noise_a) / priv->cfg->chain_noise_num_beacons);
+	average_noise[1] =
+		((data->chain_noise_b) / priv->cfg->chain_noise_num_beacons);
+	average_noise[2] =
+		((data->chain_noise_c) / priv->cfg->chain_noise_num_beacons);
 
 	for (i = 0; i < NUM_RX_CHAINS; i++) {
 		if (!(data->disconn_array[i]) &&
@@ -843,7 +868,8 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv,
 
 	if (priv->cfg->ops->utils->gain_computation)
 		priv->cfg->ops->utils->gain_computation(priv, average_noise,
-			min_average_noise_antenna_i, min_average_noise);
+				min_average_noise_antenna_i, min_average_noise,
+				find_first_chain(priv->cfg->valid_rx_ant));
 
 	/* Some power changes may have been made during the calibration.
 	 * Update and commit the RXON
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index f094cd9de44..b66bf7b4b0a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -98,7 +98,8 @@ struct iwl_hcmd_utils_ops {
 	void (*gain_computation)(struct iwl_priv *priv,
 			u32 *average_noise,
 			u16 min_average_noise_antennat_i,
-			u32 min_average_noise);
+			u32 min_average_noise,
+			u8 default_chain);
 	void (*chain_noise_reset)(struct iwl_priv *priv);
 	void (*rts_tx_cmd_flag)(struct ieee80211_tx_info *info,
 			__le32 *tx_flags);
@@ -218,6 +219,7 @@ struct iwl_mod_params {
  *	to the deviation to achieve the desired led frequency.
  *	The detail algorithm is described in iwl-led.c
  * @use_rts_for_ht: use rts/cts protection for HT traffic
+ * @chain_noise_num_beacons: number of beacons used to compute chain noise
  *
  * We enable the driver to be backward compatible wrt API version. The
  * driver specifies which APIs it supports (with @ucode_api_max being the
@@ -262,6 +264,7 @@ struct iwl_cfg {
 	u16 led_compensation;
 	const bool broken_powersave;
 	bool use_rts_for_ht;
+	int chain_noise_num_beacons;
 };
 
 /***************************
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 3ea97be7f6b..ad99ce7824c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -743,7 +743,8 @@ struct iwl_dma_ptr {
 
 /* Sensitivity and chain noise calibration */
 #define INITIALIZATION_VALUE		0xFFFF
-#define CAL_NUM_OF_BEACONS		20
+#define IWL4965_CAL_NUM_BEACONS		20
+#define IWL_CAL_NUM_BEACONS		16
 #define MAXIMUM_ALLOWED_PATHLOSS	15
 
 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
-- 
GitLab


From 78f5fb7fc6c2c668a12fd6892c18baa20e4ffd27 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Fri, 25 Sep 2009 14:24:27 -0700
Subject: [PATCH 0126/1815] iwlwifi: support idle for 6000 series hw

Using powersave while idle saves a lot of power, but
we've had problems with this on some cards (5150 has
been reported to be problematic). However, on the new
6000 series we're seeing no problems, so for now let
that hardware benefit from idle mode, we can look at
the problems with other hardware one by one and then
enable those once we figure out the problems.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-6000.c  | 10 ++++++++++
 drivers/net/wireless/iwlwifi/iwl-core.c  |  3 ++-
 drivers/net/wireless/iwlwifi/iwl-core.h  |  1 +
 drivers/net/wireless/iwlwifi/iwl-power.c |  3 +++
 4 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index ad5d77c9649..6f4ee27e07c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -254,6 +254,7 @@ struct iwl_cfg iwl6000h_2agn_cfg = {
 	.led_compensation = 51,
 	.use_rts_for_ht = true, /* use rts/cts protection */
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+	.supports_idle = true,
 };
 
 struct iwl_cfg iwl6000h_2abg_cfg = {
@@ -276,6 +277,7 @@ struct iwl_cfg iwl6000h_2abg_cfg = {
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+	.supports_idle = true,
 };
 
 struct iwl_cfg iwl6000h_2bg_cfg = {
@@ -298,6 +300,7 @@ struct iwl_cfg iwl6000h_2bg_cfg = {
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+	.supports_idle = true,
 };
 
 /*
@@ -324,6 +327,7 @@ struct iwl_cfg iwl6000i_2agn_cfg = {
 	.led_compensation = 51,
 	.use_rts_for_ht = true, /* use rts/cts protection */
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+	.supports_idle = true,
 };
 
 struct iwl_cfg iwl6000i_2abg_cfg = {
@@ -346,6 +350,7 @@ struct iwl_cfg iwl6000i_2abg_cfg = {
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+	.supports_idle = true,
 };
 
 struct iwl_cfg iwl6000i_2bg_cfg = {
@@ -368,6 +373,7 @@ struct iwl_cfg iwl6000i_2bg_cfg = {
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+	.supports_idle = true,
 };
 
 struct iwl_cfg iwl6050_2agn_cfg = {
@@ -391,6 +397,7 @@ struct iwl_cfg iwl6050_2agn_cfg = {
 	.led_compensation = 51,
 	.use_rts_for_ht = true, /* use rts/cts protection */
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+	.supports_idle = true,
 };
 
 struct iwl_cfg iwl6050_2abg_cfg = {
@@ -413,6 +420,7 @@ struct iwl_cfg iwl6050_2abg_cfg = {
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+	.supports_idle = true,
 };
 
 struct iwl_cfg iwl6000_3agn_cfg = {
@@ -436,6 +444,7 @@ struct iwl_cfg iwl6000_3agn_cfg = {
 	.led_compensation = 51,
 	.use_rts_for_ht = true, /* use rts/cts protection */
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+	.supports_idle = true,
 };
 
 struct iwl_cfg iwl6050_3agn_cfg = {
@@ -459,6 +468,7 @@ struct iwl_cfg iwl6050_3agn_cfg = {
 	.led_compensation = 51,
 	.use_rts_for_ht = true, /* use rts/cts protection */
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+	.supports_idle = true,
 };
 
 MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX));
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index e97b104ba1d..1cf2e04fe3f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -2650,7 +2650,8 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed)
 		iwl_set_rate(priv);
 	}
 
-	if (changed & IEEE80211_CONF_CHANGE_PS) {
+	if (changed & (IEEE80211_CONF_CHANGE_PS |
+			IEEE80211_CONF_CHANGE_IDLE)) {
 		ret = iwl_power_update_mode(priv, false);
 		if (ret)
 			IWL_DEBUG_MAC80211(priv, "Error setting sleep level\n");
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index b66bf7b4b0a..744f0cac685 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -265,6 +265,7 @@ struct iwl_cfg {
 	const bool broken_powersave;
 	bool use_rts_for_ht;
 	int chain_noise_num_beacons;
+	const bool supports_idle;
 };
 
 /***************************
diff --git a/drivers/net/wireless/iwlwifi/iwl-power.c b/drivers/net/wireless/iwlwifi/iwl-power.c
index 60be976afff..e50d77bd7aa 100644
--- a/drivers/net/wireless/iwlwifi/iwl-power.c
+++ b/drivers/net/wireless/iwlwifi/iwl-power.c
@@ -294,6 +294,9 @@ int iwl_power_update_mode(struct iwl_priv *priv, bool force)
 
 	if (priv->cfg->broken_powersave)
 		iwl_power_sleep_cam_cmd(priv, &cmd);
+	else if (priv->cfg->supports_idle &&
+		 priv->hw->conf.flags & IEEE80211_CONF_IDLE)
+		iwl_static_sleep_cmd(priv, &cmd, IWL_POWER_INDEX_5, 20);
 	else if (tt->state >= IWL_TI_1)
 		iwl_static_sleep_cmd(priv, &cmd, tt->tt_power_mode, dtimper);
 	else if (!enabled)
-- 
GitLab


From 9554b34ad5817f424253aab265d0e2a54207f810 Mon Sep 17 00:00:00 2001
From: Huaxu Wan <huaxu.wan@linux.intel.com>
Date: Fri, 25 Sep 2009 14:24:28 -0700
Subject: [PATCH 0127/1815] iwlwifi: add module firmware info for 1000 series

The module firmware information of 1000 series is missing from iwlagn.

Signed-off-by: Huaxu Wan <huaxu.wan@linux.intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-1000.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c
index 9dfd4c407ef..af91dbab255 100644
--- a/drivers/net/wireless/iwlwifi/iwl-1000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-1000.c
@@ -189,3 +189,4 @@ struct iwl_cfg iwl1000_bg_cfg = {
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 };
 
+MODULE_FIRMWARE(IWL1000_MODULE_FIRMWARE(IWL1000_UCODE_API_MAX));
-- 
GitLab


From 90f2908d3263e5c84c8408ce382a669b528b10e3 Mon Sep 17 00:00:00 2001
From: Joerg Albert <jal2@gmx.de>
Date: Tue, 15 Sep 2009 22:20:22 +0200
Subject: [PATCH 0128/1815] ar9170: fixed coding style, moved define

This patch fixes some coding style issues and moves MAX_RATE_POWER into hw.h

Signed-off-by: Joerg Albert <jal2@gmx.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ar9170/hw.h  |  2 ++
 drivers/net/wireless/ath/ar9170/phy.c | 28 ++++++++++++++-------------
 2 files changed, 17 insertions(+), 13 deletions(-)

diff --git a/drivers/net/wireless/ath/ar9170/hw.h b/drivers/net/wireless/ath/ar9170/hw.h
index 6cbfb2f8339..88113148331 100644
--- a/drivers/net/wireless/ath/ar9170/hw.h
+++ b/drivers/net/wireless/ath/ar9170/hw.h
@@ -311,6 +311,8 @@ struct ar9170_tx_control {
 
 #define AR9170_TX_PHY_SHORT_GI			0x80000000
 
+#define AR5416_MAX_RATE_POWER                   63
+
 struct ar9170_rx_head {
 	u8 plcp[12];
 } __packed;
diff --git a/drivers/net/wireless/ath/ar9170/phy.c b/drivers/net/wireless/ath/ar9170/phy.c
index dbd488da18b..07625a97851 100644
--- a/drivers/net/wireless/ath/ar9170/phy.c
+++ b/drivers/net/wireless/ath/ar9170/phy.c
@@ -1239,9 +1239,6 @@ static u8 ar9170_get_max_edge_power(struct ar9170 *ar,
 				    struct ar9170_calctl_edges edges[],
 				    u32 freq)
 {
-/* TODO: move somewhere else */
-#define AR5416_MAX_RATE_POWER        63
-
 	int i;
 	u8 rc = AR5416_MAX_RATE_POWER;
 	u8 f;
@@ -1259,10 +1256,11 @@ static u8 ar9170_get_max_edge_power(struct ar9170 *ar,
 			break;
 		}
 		if (i > 0 && f < edges[i].channel) {
-			if (f > edges[i-1].channel &&
-			    edges[i-1].power_flags & AR9170_CALCTL_EDGE_FLAGS) {
+			if (f > edges[i - 1].channel &&
+			    edges[i - 1].power_flags &
+			    AR9170_CALCTL_EDGE_FLAGS) {
 				/* lower channel has the inband flag set */
-				rc = edges[i-1].power_flags &
+				rc = edges[i - 1].power_flags &
 					~AR9170_CALCTL_EDGE_FLAGS;
 			}
 			break;
@@ -1270,10 +1268,10 @@ static u8 ar9170_get_max_edge_power(struct ar9170 *ar,
 	}
 
 	if (i == AR5416_NUM_BAND_EDGES) {
-		if (f > edges[i-1].channel &&
-		    edges[i-1].power_flags & AR9170_CALCTL_EDGE_FLAGS) {
+		if (f > edges[i - 1].channel &&
+		    edges[i - 1].power_flags & AR9170_CALCTL_EDGE_FLAGS) {
 			/* lower channel has the inband flag set */
-			rc = edges[i-1].power_flags &
+			rc = edges[i - 1].power_flags &
 				~AR9170_CALCTL_EDGE_FLAGS;
 		}
 	}
@@ -1295,7 +1293,8 @@ static void ar9170_calc_ctl(struct ar9170 *ar, u32 freq, enum ar9170_bw bw)
 		int pwr_cal_len;
 	} *modes;
 
-	/* order is relevant in the mode_list_*: we fall back to the
+	/*
+	 * order is relevant in the mode_list_*: we fall back to the
 	 * lower indices if any mode is missed in the EEPROM.
 	 */
 	struct ctl_modes mode_list_2ghz[] = {
@@ -1313,7 +1312,8 @@ static void ar9170_calc_ctl(struct ar9170 *ar, u32 freq, enum ar9170_bw bw)
 
 #define EDGES(c, n) (ar->eeprom.ctl_data[c].control_edges[n])
 
-	/* TODO: investigate the differences between OTUS'
+	/*
+	 * TODO: investigate the differences between OTUS'
 	 * hpreg.c::zfHpGetRegulatoryDomain() and
 	 * ath/regd.c::ath_regd_get_band_ctl() -
 	 * e.g. for FCC3_WORLD the OTUS procedure
@@ -1360,13 +1360,15 @@ static void ar9170_calc_ctl(struct ar9170 *ar, u32 freq, enum ar9170_bw bw)
 				ar9170_get_max_edge_power(ar, EDGES(ctl_idx, 1),
 							  freq+f_off);
 
-			/* TODO: check if the regulatory max. power is
+			/*
+			 * TODO: check if the regulatory max. power is
 			 *  controlled by cfg80211 for DFS
 			 * (hpmain applies it to max_power itself for DFS freq)
 			 */
 
 		} else {
-			/* Workaround in otus driver, hpmain.c, line 3906:
+			/*
+			 * Workaround in otus driver, hpmain.c, line 3906:
 			 * if no data for 5GHT20 are found, take the
 			 * legacy 5G value.
 			 * We extend this here to fallback from any other *HT or
-- 
GitLab


From 7c52c07de8bd0433db6b3e0147544e5a2f01b786 Mon Sep 17 00:00:00 2001
From: Joerg Albert <jal2@gmx.de>
Date: Tue, 15 Sep 2009 22:23:06 +0200
Subject: [PATCH 0129/1815] ar9170: add heavy clip handling

add heavy clip handling for 2.4GHz only (similar to the vendor driver).

Signed-off-by: Joerg Albert <jal2@gmx.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ar9170/ar9170.h |  2 +
 drivers/net/wireless/ath/ar9170/phy.c    | 71 ++++++++++++++++++++++--
 2 files changed, 69 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/ath/ar9170/ar9170.h b/drivers/net/wireless/ath/ar9170/ar9170.h
index c5576eec12a..ec034af2698 100644
--- a/drivers/net/wireless/ath/ar9170/ar9170.h
+++ b/drivers/net/wireless/ath/ar9170/ar9170.h
@@ -202,6 +202,8 @@ struct ar9170 {
 	u8 power_2G_ht20[8];
 	u8 power_2G_ht40[8];
 
+	u8 phy_heavy_clip;
+
 #ifdef CONFIG_AR9170_LEDS
 	struct delayed_work led_work;
 	struct ar9170_led leds[AR9170_NUM_LEDS];
diff --git a/drivers/net/wireless/ath/ar9170/phy.c b/drivers/net/wireless/ath/ar9170/phy.c
index 07625a97851..45a415ea809 100644
--- a/drivers/net/wireless/ath/ar9170/phy.c
+++ b/drivers/net/wireless/ath/ar9170/phy.c
@@ -1278,8 +1278,38 @@ static u8 ar9170_get_max_edge_power(struct ar9170 *ar,
 	return rc;
 }
 
-/* calculate the conformance test limits and apply them to ar->power*
- * (derived from otus hal/hpmain.c, line 3706 ff.)
+static u8 ar9170_get_heavy_clip(struct ar9170 *ar,
+				struct ar9170_calctl_edges edges[],
+				u32 freq, enum ar9170_bw bw)
+{
+	u8 f;
+	int i;
+	u8 rc = 0;
+
+	if (freq < 3000)
+		f = freq - 2300;
+	else
+		f = (freq - 4800) / 5;
+
+	if (bw == AR9170_BW_40_BELOW || bw == AR9170_BW_40_ABOVE)
+		rc |= 0xf0;
+
+	for (i = 0; i < AR5416_NUM_BAND_EDGES; i++) {
+		if (edges[i].channel == 0xff)
+			break;
+		if (f == edges[i].channel) {
+			if (!(edges[i].power_flags & AR9170_CALCTL_EDGE_FLAGS))
+				rc |= 0x0f;
+			break;
+		}
+	}
+
+	return rc;
+}
+
+/*
+ * calculate the conformance test limits and the heavy clip parameter
+ * and apply them to ar->power* (derived from otus hal/hpmain.c, line 3706)
  */
 static void ar9170_calc_ctl(struct ar9170 *ar, u32 freq, enum ar9170_bw bw)
 {
@@ -1312,6 +1342,8 @@ static void ar9170_calc_ctl(struct ar9170 *ar, u32 freq, enum ar9170_bw bw)
 
 #define EDGES(c, n) (ar->eeprom.ctl_data[c].control_edges[n])
 
+	ar->phy_heavy_clip = 0;
+
 	/*
 	 * TODO: investigate the differences between OTUS'
 	 * hpreg.c::zfHpGetRegulatoryDomain() and
@@ -1347,6 +1379,15 @@ static void ar9170_calc_ctl(struct ar9170 *ar, u32 freq, enum ar9170_bw bw)
 		if (ctl_idx < AR5416_NUM_CTLS) {
 			int f_off = 0;
 
+			/* determine heav clip parameter from
+			   the 11G edges array */
+			if (modes[i].ctl_mode == CTL_11G) {
+				ar->phy_heavy_clip =
+					ar9170_get_heavy_clip(ar,
+							      EDGES(ctl_idx, 1),
+							      freq, bw);
+			}
+
 			/* adjust freq for 40MHz */
 			if (modes[i].ctl_mode == CTL_2GHT40 ||
 			    modes[i].ctl_mode == CTL_5GHT40) {
@@ -1392,6 +1433,19 @@ static void ar9170_calc_ctl(struct ar9170 *ar, u32 freq, enum ar9170_bw bw)
 						       modes[i].max_power);
 		}
 	}
+
+	if (ar->phy_heavy_clip & 0xf0) {
+		ar->power_2G_ht40[0]--;
+		ar->power_2G_ht40[1]--;
+		ar->power_2G_ht40[2]--;
+	}
+	if (ar->phy_heavy_clip & 0xf) {
+		ar->power_2G_ht20[0]++;
+		ar->power_2G_ht20[1]++;
+		ar->power_2G_ht20[2]++;
+	}
+
+
 #undef EDGES
 }
 
@@ -1501,8 +1555,6 @@ static int ar9170_set_power_cal(struct ar9170 *ar, u32 freq, enum ar9170_bw bw)
 	/* calc. conformance test limits and apply to ar->power*[] */
 	ar9170_calc_ctl(ar, freq, bw);
 
-	/* TODO: (heavy clip) regulatory domain power level fine-tuning. */
-
 	/* set ACK/CTS TX power */
 	ar9170_regwrite_begin(ar);
 
@@ -1645,6 +1697,17 @@ int ar9170_set_channel(struct ar9170 *ar, struct ieee80211_channel *channel,
 	if (err)
 		return err;
 
+	if (ar->phy_heavy_clip) {
+		err = ar9170_write_reg(ar, 0x1c59e0,
+				       0x200 | ar->phy_heavy_clip);
+		if (err) {
+			if (ar9170_nag_limiter(ar))
+				printk(KERN_ERR "%s: failed to set "
+				       "heavy clip\n",
+				       wiphy_name(ar->hw->wiphy));
+		}
+	}
+
 	for (i = 0; i < 2; i++) {
 		ar->noise[i] = ar9170_calc_noise_dbm(
 				(le32_to_cpu(vals[2 + i]) >> 19) & 0x1ff);
-- 
GitLab


From 181af387033e20065e94363d07ecbace7738278c Mon Sep 17 00:00:00 2001
From: Joerg Albert <jal2@gmx.de>
Date: Tue, 15 Sep 2009 23:27:53 +0200
Subject: [PATCH 0130/1815] ar9170: handle overflow in tsf_low register during
 get_tsf

ar9170_op_get_tsf: handle a carry from TSF_L into TSF_H
by reading TSF_H twice.

Signed-off-by: Joerg Albert <jal2@gmx.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ar9170/cmd.c  |  3 +--
 drivers/net/wireless/ath/ar9170/cmd.h  |  1 +
 drivers/net/wireless/ath/ar9170/main.c | 24 ++++++++++++++++--------
 3 files changed, 18 insertions(+), 10 deletions(-)

diff --git a/drivers/net/wireless/ath/ar9170/cmd.c b/drivers/net/wireless/ath/ar9170/cmd.c
index f57a6200167..cf6f5c4174a 100644
--- a/drivers/net/wireless/ath/ar9170/cmd.c
+++ b/drivers/net/wireless/ath/ar9170/cmd.c
@@ -72,8 +72,7 @@ int ar9170_write_reg(struct ar9170 *ar, const u32 reg, const u32 val)
 	return err;
 }
 
-static int ar9170_read_mreg(struct ar9170 *ar, int nregs,
-			    const u32 *regs, u32 *out)
+int ar9170_read_mreg(struct ar9170 *ar, int nregs, const u32 *regs, u32 *out)
 {
 	int i, err;
 	__le32 *offs, *res;
diff --git a/drivers/net/wireless/ath/ar9170/cmd.h b/drivers/net/wireless/ath/ar9170/cmd.h
index a4f0e50e52b..826c45e6b27 100644
--- a/drivers/net/wireless/ath/ar9170/cmd.h
+++ b/drivers/net/wireless/ath/ar9170/cmd.h
@@ -44,6 +44,7 @@
 int ar9170_write_mem(struct ar9170 *ar, const __le32 *data, size_t len);
 int ar9170_write_reg(struct ar9170 *ar, const u32 reg, const u32 val);
 int ar9170_read_reg(struct ar9170 *ar, u32 reg, u32 *val);
+int ar9170_read_mreg(struct ar9170 *ar, int nregs, const u32 *regs, u32 *out);
 int ar9170_echo_test(struct ar9170 *ar, u32 v);
 
 /*
diff --git a/drivers/net/wireless/ath/ar9170/main.c b/drivers/net/wireless/ath/ar9170/main.c
index 81c6cf1135b..de0ba2bf769 100644
--- a/drivers/net/wireless/ath/ar9170/main.c
+++ b/drivers/net/wireless/ath/ar9170/main.c
@@ -2192,22 +2192,30 @@ static u64 ar9170_op_get_tsf(struct ieee80211_hw *hw)
 {
 	struct ar9170 *ar = hw->priv;
 	int err;
-	u32 tsf_low;
-	u32 tsf_high;
 	u64 tsf;
+#define NR 3
+	static const u32 addr[NR] = { AR9170_MAC_REG_TSF_H,
+				    AR9170_MAC_REG_TSF_L,
+				    AR9170_MAC_REG_TSF_H };
+	u32 val[NR];
+	int loops = 0;
 
 	mutex_lock(&ar->mutex);
-	err = ar9170_read_reg(ar, AR9170_MAC_REG_TSF_L, &tsf_low);
-	if (!err)
-		err = ar9170_read_reg(ar, AR9170_MAC_REG_TSF_H, &tsf_high);
+
+	while (loops++ < 10) {
+		err = ar9170_read_mreg(ar, NR, addr, val);
+		if (err || val[0] == val[2])
+			break;
+	}
+
 	mutex_unlock(&ar->mutex);
 
 	if (WARN_ON(err))
 		return 0;
-
-	tsf = tsf_high;
-	tsf = (tsf << 32) | tsf_low;
+	tsf = val[0];
+	tsf = (tsf << 32) | val[1];
 	return tsf;
+#undef NR
 }
 
 static int ar9170_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
-- 
GitLab


From 0b98eaaa02965fb06dee4ad8c605bb3c93df2c98 Mon Sep 17 00:00:00 2001
From: Vivek Natarajan <vnatarajan@atheros.com>
Date: Fri, 18 Sep 2009 15:03:42 +0530
Subject: [PATCH 0131/1815] ath9k: Add Calibration checks

* Prevent divide-by-zero errors in IQ Calibration.
* Do not run temperature compensation if initPDADC or currPDADC is zero.
* Also, introduce a separate function for handling OLC for AR9287.

Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/calib.c | 78 +++++++++++++++++---------
 1 file changed, 50 insertions(+), 28 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c
index 36c5f89e2fc..9c46b54d2a9 100644
--- a/drivers/net/wireless/ath/ath9k/calib.c
+++ b/drivers/net/wireless/ath/ath9k/calib.c
@@ -403,7 +403,8 @@ static void ath9k_hw_iqcalibrate(struct ath_hw *ah, u8 numChains)
 		iCoffDenom = (powerMeasI / 2 + powerMeasQ / 2) / 128;
 		qCoffDenom = powerMeasQ / 64;
 
-		if (powerMeasQ != 0) {
+		if ((powerMeasQ != 0) && (iCoffDenom != 0) &&
+		    (qCoffDenom != 0)) {
 			iCoff = iqCorrMeas / iCoffDenom;
 			qCoff = powerMeasI / qCoffDenom - 64;
 			ath_print(common, ATH_DBG_CALIBRATE,
@@ -746,44 +747,65 @@ s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan)
 	return nf;
 }
 
-static void ath9k_olc_temp_compensation(struct ath_hw *ah)
+static void ath9k_olc_temp_compensation_9287(struct ath_hw *ah)
 {
-	u32 rddata, i;
-	int delta, currPDADC, regval, slope;
+	u32 rddata;
+	int32_t delta, currPDADC, slope;
 
 	rddata = REG_READ(ah, AR_PHY_TX_PWRCTRL4);
 	currPDADC = MS(rddata, AR_PHY_TX_PWRCTRL_PD_AVG_OUT);
 
+	if (ah->initPDADC == 0 || currPDADC == 0) {
+		/*
+		 * Zero value indicates that no frames have been transmitted yet,
+		 * can't do temperature compensation until frames are transmitted.
+		 */
+		return;
+	} else {
+		slope = ah->eep_ops->get_eeprom(ah, EEP_TEMPSENSE_SLOPE);
+
+		if (slope == 0) { /* to avoid divide by zero case */
+			delta = 0;
+		} else {
+			delta = ((currPDADC - ah->initPDADC)*4) / slope;
+		}
+		REG_RMW_FIELD(ah, AR_PHY_CH0_TX_PWRCTRL11,
+			      AR_PHY_TX_PWRCTRL_OLPC_TEMP_COMP, delta);
+		REG_RMW_FIELD(ah, AR_PHY_CH1_TX_PWRCTRL11,
+			      AR_PHY_TX_PWRCTRL_OLPC_TEMP_COMP, delta);
+	}
+}
+
+static void ath9k_olc_temp_compensation(struct ath_hw *ah)
+{
+	u32 rddata, i;
+	int delta, currPDADC, regval;
 
 	if (OLC_FOR_AR9287_10_LATER) {
+		ath9k_olc_temp_compensation_9287(ah);
+	} else {
+		rddata = REG_READ(ah, AR_PHY_TX_PWRCTRL4);
+		currPDADC = MS(rddata, AR_PHY_TX_PWRCTRL_PD_AVG_OUT);
+
 		if (ah->initPDADC == 0 || currPDADC == 0) {
 			return;
 		} else {
-			slope = ah->eep_ops->get_eeprom(ah, EEP_TEMPSENSE_SLOPE);
-			if (slope == 0)
-				delta = 0;
+			if (ah->eep_ops->get_eeprom(ah, EEP_DAC_HPWR_5G))
+				delta = (currPDADC - ah->initPDADC + 4) / 8;
 			else
-				delta = ((currPDADC - ah->initPDADC)*4) / slope;
-			REG_RMW_FIELD(ah, AR_PHY_CH0_TX_PWRCTRL11,
-					AR_PHY_TX_PWRCTRL_OLPC_TEMP_COMP, delta);
-			REG_RMW_FIELD(ah, AR_PHY_CH1_TX_PWRCTRL11,
-					AR_PHY_TX_PWRCTRL_OLPC_TEMP_COMP, delta);
-		}
-	} else {
-		if (ah->eep_ops->get_eeprom(ah, EEP_DAC_HPWR_5G))
-			delta = (currPDADC - ah->initPDADC + 4) / 8;
-		else
-			delta = (currPDADC - ah->initPDADC + 5) / 10;
-
-		if (delta != ah->PDADCdelta) {
-			ah->PDADCdelta = delta;
-			for (i = 1; i < AR9280_TX_GAIN_TABLE_SIZE; i++) {
-				regval = ah->originalGain[i] - delta;
-				if (regval < 0)
-					regval = 0;
-
-				REG_RMW_FIELD(ah, AR_PHY_TX_GAIN_TBL1 + i * 4,
-						AR_PHY_TX_GAIN, regval);
+				delta = (currPDADC - ah->initPDADC + 5) / 10;
+
+			if (delta != ah->PDADCdelta) {
+				ah->PDADCdelta = delta;
+				for (i = 1; i < AR9280_TX_GAIN_TABLE_SIZE; i++) {
+					regval = ah->originalGain[i] - delta;
+					if (regval < 0)
+						regval = 0;
+
+					REG_RMW_FIELD(ah,
+						      AR_PHY_TX_GAIN_TBL1 + i * 4,
+						      AR_PHY_TX_GAIN, regval);
+				}
 			}
 		}
 	}
-- 
GitLab


From 193cd4585e6c5650875e98ccfef2fa93616fef30 Mon Sep 17 00:00:00 2001
From: Sujith <Sujith.Manoharan@atheros.com>
Date: Fri, 18 Sep 2009 15:04:07 +0530
Subject: [PATCH 0132/1815] ath9k: Update INI release for AR9287

If the current channel is between 2412 and 2472 MHz and if the channel is
changing to 2484 MHz, then the registers 0xa1f4, 0xa1f8 and 0xa1fc need to be
programmed to the "japan_2484" values.  Conversely, if the current channel
is 2484 MHz and if the channel is changing to one between 2412 and 2472 MHz, then
the three registers need to be programmed to the "normal" values.

This is needed for compliance with Japanese regulatory requirements.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.c       | 10 +++++++++
 drivers/net/wireless/ath/ath9k/hw.h       |  2 ++
 drivers/net/wireless/ath/ath9k/initvals.h | 23 ++++++++++++++++-----
 drivers/net/wireless/ath/ath9k/phy.c      | 25 ++++++++++++++++-------
 4 files changed, 48 insertions(+), 12 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index b120c2127e9..1e0f5bd702c 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -943,6 +943,16 @@ int ath9k_hw_init(struct ath_hw *ah)
 	else
 		ath9k_hw_disablepcie(ah);
 
+	/* Support for Japan ch.14 (2484) spread */
+	if (AR_SREV_9287_11_OR_LATER(ah)) {
+		INIT_INI_ARRAY(&ah->iniCckfirNormal,
+		       ar9287Common_normal_cck_fir_coeff_92871_1,
+		       ARRAY_SIZE(ar9287Common_normal_cck_fir_coeff_92871_1), 2);
+		INIT_INI_ARRAY(&ah->iniCckfirJapan2484,
+		       ar9287Common_japan_2484_cck_fir_coeff_92871_1,
+		       ARRAY_SIZE(ar9287Common_japan_2484_cck_fir_coeff_92871_1), 2);
+	}
+
 	r = ath9k_hw_post_init(ah);
 	if (r)
 		return r;
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index d854c17b868..6673a810336 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -592,6 +592,8 @@ struct ath_hw {
 	struct ar5416IniArray iniModesAdditional;
 	struct ar5416IniArray iniModesRxGain;
 	struct ar5416IniArray iniModesTxGain;
+	struct ar5416IniArray iniCckfirNormal;
+	struct ar5416IniArray iniCckfirJapan2484;
 
 	u32 intr_gen_timer_trigger;
 	u32 intr_gen_timer_thresh;
diff --git a/drivers/net/wireless/ath/ath9k/initvals.h b/drivers/net/wireless/ath/ath9k/initvals.h
index 8622265a030..d8aaeeef6d5 100644
--- a/drivers/net/wireless/ath/ath9k/initvals.h
+++ b/drivers/net/wireless/ath/ath9k/initvals.h
@@ -5918,9 +5918,6 @@ static const u_int32_t ar9287Common_9287_1_1[][2] = {
     { 0x000099ec, 0x0cc80caa },
     { 0x000099f0, 0x00000000 },
     { 0x000099fc, 0x00001042 },
-    { 0x0000a1f4, 0x00fffeff },
-    { 0x0000a1f8, 0x00f5f9ff },
-    { 0x0000a1fc, 0xb79f6427 },
     { 0x0000a208, 0x803e4788 },
     { 0x0000a210, 0x4080a333 },
     { 0x0000a214, 0x40206c10 },
@@ -5980,7 +5977,7 @@ static const u_int32_t ar9287Common_9287_1_1[][2] = {
     { 0x0000b3f4, 0x00000000 },
     { 0x0000a7d8, 0x000003f1 },
     { 0x00007800, 0x00000800 },
-    { 0x00007804, 0x6c35ffc2 },
+    { 0x00007804, 0x6c35ffd2 },
     { 0x00007808, 0x6db6c000 },
     { 0x0000780c, 0x6db6cb30 },
     { 0x00007810, 0x6db6cb6c },
@@ -6000,7 +5997,7 @@ static const u_int32_t ar9287Common_9287_1_1[][2] = {
     { 0x00007848, 0x934934a8 },
     { 0x00007850, 0x00000000 },
     { 0x00007854, 0x00000800 },
-    { 0x00007858, 0x6c35ffc2 },
+    { 0x00007858, 0x6c35ffd2 },
     { 0x0000785c, 0x6db6c000 },
     { 0x00007860, 0x6db6cb30 },
     { 0x00007864, 0x6db6cb6c },
@@ -6027,6 +6024,22 @@ static const u_int32_t ar9287Common_9287_1_1[][2] = {
     { 0x000078b8, 0x2a850160 },
 };
 
+/*
+ * For Japanese regulatory requirements, 2484 MHz requires the following three
+ * registers be programmed differently from the channel between 2412 and 2472 MHz.
+ */
+static const u_int32_t ar9287Common_normal_cck_fir_coeff_92871_1[][2] = {
+    { 0x0000a1f4, 0x00fffeff },
+    { 0x0000a1f8, 0x00f5f9ff },
+    { 0x0000a1fc, 0xb79f6427 },
+};
+
+static const u_int32_t ar9287Common_japan_2484_cck_fir_coeff_92871_1[][2] = {
+    { 0x0000a1f4, 0x00000000 },
+    { 0x0000a1f8, 0xefff0301 },
+    { 0x0000a1fc, 0xca9228ee },
+};
+
 static const u_int32_t ar9287Modes_tx_gain_9287_1_1[][6] = {
     /* Address      5G-HT20     5G-HT40     2G-HT40     2G-HT20     Turbo   */
     { 0x0000a300, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
diff --git a/drivers/net/wireless/ath/ath9k/phy.c b/drivers/net/wireless/ath/ath9k/phy.c
index eec4f1064a6..72a17c43a5a 100644
--- a/drivers/net/wireless/ath/ath9k/phy.c
+++ b/drivers/net/wireless/ath/ath9k/phy.c
@@ -113,20 +113,31 @@ void ath9k_hw_ar9280_set_channel(struct ath_hw *ah,
 
 	if (freq < 4800) {
 		u32 txctl;
+		int regWrites = 0;
 
 		bMode = 1;
 		fracMode = 1;
 		aModeRefSel = 0;
 		channelSel = (freq * 0x10000) / 15;
 
-		txctl = REG_READ(ah, AR_PHY_CCK_TX_CTRL);
-		if (freq == 2484) {
-
-			REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
-				  txctl | AR_PHY_CCK_TX_CTRL_JAPAN);
+		if (AR_SREV_9287_11_OR_LATER(ah)) {
+			if (freq == 2484) {
+				REG_WRITE_ARRAY(&ah->iniCckfirJapan2484,
+						1, regWrites);
+			} else {
+				REG_WRITE_ARRAY(&ah->iniCckfirNormal,
+						1, regWrites);
+			}
 		} else {
-			REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
-				  txctl & ~AR_PHY_CCK_TX_CTRL_JAPAN);
+			txctl = REG_READ(ah, AR_PHY_CCK_TX_CTRL);
+			if (freq == 2484) {
+				/* Enable channel spreading for channel 14 */
+				REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
+					  txctl | AR_PHY_CCK_TX_CTRL_JAPAN);
+			} else {
+				REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
+					  txctl &~ AR_PHY_CCK_TX_CTRL_JAPAN);
+			}
 		}
 	} else {
 		bMode = 0;
-- 
GitLab


From 4921be8058f1c8854e501305b96196856fe7f830 Mon Sep 17 00:00:00 2001
From: Sujith <Sujith.Manoharan@atheros.com>
Date: Fri, 18 Sep 2009 15:04:27 +0530
Subject: [PATCH 0133/1815] ath9k: Fix RTC reset for AR5416

For AR5416 chipsets, clearing RTC_RESET_EN when setting
the chip to SLEEP mode results in high power consumption.
This patch fixes this issue by not clearing it for AR5416.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 1e0f5bd702c..0a3de3f7b0a 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2851,8 +2851,9 @@ static void ath9k_set_power_sleep(struct ath_hw *ah, int setChip)
 		if (!AR_SREV_9100(ah))
 			REG_WRITE(ah, AR_RC, AR_RC_AHB | AR_RC_HOSTIF);
 
-		REG_CLR_BIT(ah, (AR_RTC_RESET),
-			    AR_RTC_RESET_EN);
+		if(!AR_SREV_5416(ah))
+			REG_CLR_BIT(ah, (AR_RTC_RESET),
+				    AR_RTC_RESET_EN);
 	}
 }
 
-- 
GitLab


From 7aa034928392f16d48c536b315575e2dcfa53252 Mon Sep 17 00:00:00 2001
From: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Date: Fri, 18 Sep 2009 15:04:51 +0530
Subject: [PATCH 0134/1815] ath9k: Update initvals

* Move 0xa274 and 0xa27c to the top of tx_gain table.
* Update initvals to fix random failure of noise floor calibration.

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/initvals.h | 49 ++++++++++++-----------
 1 file changed, 25 insertions(+), 24 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/initvals.h b/drivers/net/wireless/ath/ath9k/initvals.h
index d8aaeeef6d5..3ee6658d809 100644
--- a/drivers/net/wireless/ath/ath9k/initvals.h
+++ b/drivers/net/wireless/ath/ath9k/initvals.h
@@ -21,6 +21,8 @@ static const u32 ar5416Modes[][6] = {
     { 0x000010f0, 0x0000a000, 0x00014000, 0x00016000, 0x0000b000, 0x00014008 },
     { 0x00008014, 0x03e803e8, 0x07d007d0, 0x10801600, 0x08400b00, 0x06e006e0 },
     { 0x0000801c, 0x128d93a7, 0x128d93cf, 0x12e013d7, 0x12e013ab, 0x098813cf },
+    { 0x00008120, 0x08f04800, 0x08f04800, 0x08f04810, 0x08f04810, 0x08f04810 },
+    { 0x000081d0, 0x00003210, 0x00003210, 0x0000320a, 0x0000320a, 0x0000320a },
     { 0x00009804, 0x00000300, 0x000003c4, 0x000003c4, 0x00000300, 0x00000303 },
     { 0x00009820, 0x02020200, 0x02020200, 0x02020200, 0x02020200, 0x02020200 },
     { 0x00009824, 0x00000e0e, 0x00000e0e, 0x00000e0e, 0x00000e0e, 0x00000e0e },
@@ -31,11 +33,11 @@ static const u32 ar5416Modes[][6] = {
     { 0x00009848, 0x001a6a65, 0x001a6a65, 0x00197a68, 0x00197a68, 0x00197a68 },
     { 0x0000a848, 0x001a6a65, 0x001a6a65, 0x00197a68, 0x00197a68, 0x00197a68 },
     { 0x0000b848, 0x001a6a65, 0x001a6a65, 0x00197a68, 0x00197a68, 0x00197a68 },
-    { 0x00009850, 0x6c48b4e0, 0x6c48b4e0, 0x6c48b0de, 0x6c48b0de, 0x6c48b0de },
+    { 0x00009850, 0x6c48b4e0, 0x6d48b4e0, 0x6d48b0de, 0x6c48b0de, 0x6c48b0de },
     { 0x00009858, 0x7ec82d2e, 0x7ec82d2e, 0x7ec82d2e, 0x7ec82d2e, 0x7ec82d2e },
-    { 0x0000985c, 0x31395d5e, 0x31395d5e, 0x31395d5e, 0x31395d5e, 0x31395d5e },
+    { 0x0000985c, 0x31395d5e, 0x3139605e, 0x3139605e, 0x31395d5e, 0x31395d5e },
     { 0x00009860, 0x00049d18, 0x00049d18, 0x00049d18, 0x00049d18, 0x00049d18 },
-    { 0x0000c864, 0x0001ce00, 0x0001ce00, 0x0001ce00, 0x0001ce00, 0x0001ce00 },
+    { 0x00009864, 0x0001ce00, 0x0001ce00, 0x0001ce00, 0x0001ce00, 0x0001ce00 },
     { 0x00009868, 0x409a4190, 0x409a4190, 0x409a4190, 0x409a4190, 0x409a4190 },
     { 0x0000986c, 0x050cb081, 0x050cb081, 0x050cb081, 0x050cb081, 0x050cb081 },
     { 0x00009914, 0x000007d0, 0x00000fa0, 0x00001130, 0x00000898, 0x000007d0 },
@@ -46,10 +48,10 @@ static const u32 ar5416Modes[][6] = {
     { 0x0000a960, 0x00000900, 0x00000900, 0x00012d80, 0x00012d80, 0x00012d80 },
     { 0x0000b960, 0x00000900, 0x00000900, 0x00012d80, 0x00012d80, 0x00012d80 },
     { 0x00009964, 0x00000000, 0x00000000, 0x00001120, 0x00001120, 0x00001120 },
-    { 0x0000c9bc, 0x001a0a00, 0x001a0a00, 0x001a0a00, 0x001a0a00, 0x001a0a00 },
+    { 0x000099bc, 0x001a0a00, 0x001a0a00, 0x001a0a00, 0x001a0a00, 0x001a0a00 },
     { 0x000099c0, 0x038919be, 0x038919be, 0x038919be, 0x038919be, 0x038919be },
     { 0x000099c4, 0x06336f77, 0x06336f77, 0x06336f77, 0x06336f77, 0x06336f77 },
-    { 0x000099c8, 0x60f6532c, 0x60f6532c, 0x60f6532c, 0x60f6532c, 0x60f6532c },
+    { 0x000099c8, 0x6af6532c, 0x6af6532c, 0x6af6532c, 0x6af6532c, 0x6af6532c },
     { 0x000099cc, 0x08f186c8, 0x08f186c8, 0x08f186c8, 0x08f186c8, 0x08f186c8 },
     { 0x000099d0, 0x00046384, 0x00046384, 0x00046384, 0x00046384, 0x00046384 },
     { 0x000099d4, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
@@ -199,7 +201,6 @@ static const u32 ar5416Common[][2] = {
     { 0x00008110, 0x00000168 },
     { 0x00008118, 0x000100aa },
     { 0x0000811c, 0x00003210 },
-    { 0x00008120, 0x08f04800 },
     { 0x00008124, 0x00000000 },
     { 0x00008128, 0x00000000 },
     { 0x0000812c, 0x00000000 },
@@ -215,7 +216,6 @@ static const u32 ar5416Common[][2] = {
     { 0x00008178, 0x00000100 },
     { 0x0000817c, 0x00000000 },
     { 0x000081c4, 0x00000000 },
-    { 0x000081d0, 0x00003210 },
     { 0x000081ec, 0x00000000 },
     { 0x000081f0, 0x00000000 },
     { 0x000081f4, 0x00000000 },
@@ -246,6 +246,7 @@ static const u32 ar5416Common[][2] = {
     { 0x00008258, 0x00000000 },
     { 0x0000825c, 0x400000ff },
     { 0x00008260, 0x00080922 },
+    { 0x00008264, 0xa8000010 },
     { 0x00008270, 0x00000000 },
     { 0x00008274, 0x40000000 },
     { 0x00008278, 0x003e4180 },
@@ -406,9 +407,9 @@ static const u32 ar5416Common[][2] = {
     { 0x0000a25c, 0x0f0f0f01 },
     { 0x0000a260, 0xdfa91f01 },
     { 0x0000a268, 0x00000000 },
-    { 0x0000a26c, 0x0ebae9c6 },
-    { 0x0000b26c, 0x0ebae9c6 },
-    { 0x0000c26c, 0x0ebae9c6 },
+    { 0x0000a26c, 0x0e79e5c6 },
+    { 0x0000b26c, 0x0e79e5c6 },
+    { 0x0000c26c, 0x0e79e5c6 },
     { 0x0000d270, 0x00820820 },
     { 0x0000a278, 0x1ce739ce },
     { 0x0000a27c, 0x051701ce },
@@ -2551,26 +2552,27 @@ static const u32 ar9280Modes_9280_2[][6] = {
     { 0x00008318, 0x00003e80, 0x00007d00, 0x00006880, 0x00003440, 0x00006880 },
     { 0x00009804, 0x00000300, 0x000003c4, 0x000003c4, 0x00000300, 0x00000303 },
     { 0x00009820, 0x02020200, 0x02020200, 0x02020200, 0x02020200, 0x02020200 },
-    { 0x00009824, 0x00000e0e, 0x00000e0e, 0x00000e0e, 0x00000e0e, 0x00000e0e },
+    { 0x00009824, 0x01000e0e, 0x01000e0e, 0x01000e0e, 0x01000e0e, 0x01000e0e },
     { 0x00009828, 0x0a020001, 0x0a020001, 0x0a020001, 0x0a020001, 0x0a020001 },
     { 0x00009834, 0x00000e0e, 0x00000e0e, 0x00000e0e, 0x00000e0e, 0x00000e0e },
     { 0x00009838, 0x00000007, 0x00000007, 0x00000007, 0x00000007, 0x00000007 },
     { 0x00009840, 0x206a022e, 0x206a022e, 0x206a012e, 0x206a012e, 0x206a012e },
     { 0x00009844, 0x0372161e, 0x0372161e, 0x037216a0, 0x037216a0, 0x037216a0 },
-    { 0x00009850, 0x6c4000e2, 0x6c4000e2, 0x6d4000e2, 0x6c4000e2, 0x6c4000e2 },
+    { 0x00009850, 0x6c4000e2, 0x6d4000e2, 0x6d4000e2, 0x6c4000e2, 0x6c4000e2 },
     { 0x00009858, 0x7ec88d2e, 0x7ec88d2e, 0x7ec84d2e, 0x7ec84d2e, 0x7ec84d2e },
-    { 0x0000985c, 0x31395d5e, 0x31395d5e, 0x3139605e, 0x31395d5e, 0x31395d5e },
+    { 0x0000985c, 0x31395d5e, 0x3139605e, 0x3139605e, 0x31395d5e, 0x31395d5e },
     { 0x00009860, 0x00048d18, 0x00048d18, 0x00048d20, 0x00048d20, 0x00048d18 },
     { 0x00009864, 0x0001ce00, 0x0001ce00, 0x0001ce00, 0x0001ce00, 0x0001ce00 },
     { 0x00009868, 0x5ac640d0, 0x5ac640d0, 0x5ac640d0, 0x5ac640d0, 0x5ac640d0 },
     { 0x0000986c, 0x06903081, 0x06903081, 0x06903881, 0x06903881, 0x06903881 },
     { 0x00009914, 0x000007d0, 0x00000fa0, 0x00001130, 0x00000898, 0x000007d0 },
-    { 0x00009918, 0x0000000a, 0x00000014, 0x00000016, 0x0000000b, 0x00000016 },
+    { 0x00009918, 0x0000000a, 0x00000014, 0x00000268, 0x0000000b, 0x00000016 },
     { 0x00009924, 0xd00a8a0b, 0xd00a8a0b, 0xd00a8a0d, 0xd00a8a0d, 0xd00a8a0d },
     { 0x00009944, 0xffbc1010, 0xffbc1010, 0xffbc1010, 0xffbc1010, 0xffbc1010 },
     { 0x00009960, 0x00000010, 0x00000010, 0x00000010, 0x00000010, 0x00000010 },
     { 0x0000a960, 0x00000010, 0x00000010, 0x00000010, 0x00000010, 0x00000010 },
     { 0x00009964, 0x00000210, 0x00000210, 0x00000210, 0x00000210, 0x00000210 },
+    { 0x0000c968, 0x000003b5, 0x000003b5, 0x000003ce, 0x000003ce, 0x000003ce },
     { 0x000099b8, 0x0000001c, 0x0000001c, 0x0000001c, 0x0000001c, 0x0000001c },
     { 0x000099bc, 0x00000a00, 0x00000a00, 0x00000c00, 0x00000c00, 0x00000c00 },
     { 0x000099c0, 0x05eea6d4, 0x05eea6d4, 0x05eea6d4, 0x05eea6d4, 0x05eea6d4 },
@@ -2585,8 +2587,10 @@ static const u32 ar9280Modes_9280_2[][6] = {
     { 0x0000b20c, 0x00000014, 0x00000014, 0x0001f019, 0x0001f019, 0x0001f019 },
     { 0x0000a21c, 0x1883800a, 0x1883800a, 0x1883800a, 0x1883800a, 0x1883800a },
     { 0x0000a230, 0x00000000, 0x00000000, 0x00000210, 0x00000108, 0x00000000 },
+    { 0x0000a23c, 0x13c88000, 0x13c88000, 0x13c88001, 0x13c88000, 0x13c88000 },
     { 0x0000a250, 0x001ff000, 0x001ff000, 0x0004a000, 0x0004a000, 0x0004a000 },
     { 0x0000a358, 0x7999aa02, 0x7999aa02, 0x7999aa0e, 0x7999aa0e, 0x7999aa0e },
+    { 0x0000a388, 0x0c000000, 0x0c000000, 0x08000000, 0x0c000000, 0x0c000000 },
     { 0x0000a3d8, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
     { 0x00007894, 0x5a508000, 0x5a508000, 0x5a508000, 0x5a508000, 0x5a508000 },
 };
@@ -2813,7 +2817,6 @@ static const u32 ar9280Common_9280_2[][2] = {
     { 0x00009958, 0x2108ecff },
     { 0x00009940, 0x14750604 },
     { 0x0000c95c, 0x004b6a8e },
-    { 0x0000c968, 0x000003ce },
     { 0x00009970, 0x190fb515 },
     { 0x00009974, 0x00000000 },
     { 0x00009978, 0x00000001 },
@@ -2849,7 +2852,6 @@ static const u32 ar9280Common_9280_2[][2] = {
     { 0x0000a22c, 0x233f7180 },
     { 0x0000a234, 0x20202020 },
     { 0x0000a238, 0x20202020 },
-    { 0x0000a23c, 0x13c88000 },
     { 0x0000a240, 0x38490a20 },
     { 0x0000a244, 0x00007bb6 },
     { 0x0000a248, 0x0fff3ffc },
@@ -2859,8 +2861,8 @@ static const u32 ar9280Common_9280_2[][2] = {
     { 0x0000a25c, 0x0f0f0f01 },
     { 0x0000a260, 0xdfa91f01 },
     { 0x0000a268, 0x00000000 },
-    { 0x0000a26c, 0x0ebae9c6 },
-    { 0x0000b26c, 0x0ebae9c6 },
+    { 0x0000a26c, 0x0e79e5c6 },
+    { 0x0000b26c, 0x0e79e5c6 },
     { 0x0000d270, 0x00820820 },
     { 0x0000a278, 0x1ce739ce },
     { 0x0000d35c, 0x07ffffef },
@@ -2874,7 +2876,6 @@ static const u32 ar9280Common_9280_2[][2] = {
     { 0x0000d37c, 0x7fffffe2 },
     { 0x0000d380, 0x7f3c7bba },
     { 0x0000d384, 0xf3307ff0 },
-    { 0x0000a388, 0x0c000000 },
     { 0x0000a38c, 0x20202020 },
     { 0x0000a390, 0x20202020 },
     { 0x0000a394, 0x1ce739ce },
@@ -2940,7 +2941,7 @@ static const u32 ar9280Modes_fast_clock_9280_2[][3] = {
     { 0x0000801c, 0x148ec02b, 0x148ec057 },
     { 0x00008318, 0x000044c0, 0x00008980 },
     { 0x00009820, 0x02020200, 0x02020200 },
-    { 0x00009824, 0x00000f0f, 0x00000f0f },
+    { 0x00009824, 0x01000f0f, 0x01000f0f },
     { 0x00009828, 0x0b020001, 0x0b020001 },
     { 0x00009834, 0x00000f0f, 0x00000f0f },
     { 0x00009844, 0x03721821, 0x03721821 },
@@ -3348,6 +3349,8 @@ static const u32 ar9280Modes_backoff_13db_rxgain_9280_2[][6] = {
 };
 
 static const u32 ar9280Modes_high_power_tx_gain_9280_2[][6] = {
+    { 0x0000a274, 0x0a19e652, 0x0a19e652, 0x0a1aa652, 0x0a1aa652, 0x0a1aa652 },
+    { 0x0000a27c, 0x050739ce, 0x050739ce, 0x050739ce, 0x050739ce, 0x050739ce },
     { 0x0000a300, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
     { 0x0000a304, 0x00003002, 0x00003002, 0x00004002, 0x00004002, 0x00004002 },
     { 0x0000a308, 0x00006004, 0x00006004, 0x00007008, 0x00007008, 0x00007008 },
@@ -3376,11 +3379,11 @@ static const u32 ar9280Modes_high_power_tx_gain_9280_2[][6] = {
     { 0x00007840, 0x00172000, 0x00172000, 0x00172000, 0x00172000, 0x00172000 },
     { 0x00007820, 0xf258a480, 0xf258a480, 0xf258a480, 0xf258a480, 0xf258a480 },
     { 0x00007844, 0xf258a480, 0xf258a480, 0xf258a480, 0xf258a480, 0xf258a480 },
-    { 0x0000a274, 0x0a19e652, 0x0a19e652, 0x0a1aa652, 0x0a1aa652, 0x0a1aa652 },
-    { 0x0000a27c, 0x050739ce, 0x050739ce, 0x050739ce, 0x050739ce, 0x050739ce },
 };
 
 static const u32 ar9280Modes_original_tx_gain_9280_2[][6] = {
+    { 0x0000a274, 0x0a19c652, 0x0a19c652, 0x0a1aa652, 0x0a1aa652, 0x0a1aa652 },
+    { 0x0000a27c, 0x050701ce, 0x050701ce, 0x050701ce, 0x050701ce, 0x050701ce },
     { 0x0000a300, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
     { 0x0000a304, 0x00003002, 0x00003002, 0x00003002, 0x00003002, 0x00003002 },
     { 0x0000a308, 0x00006004, 0x00006004, 0x00008009, 0x00008009, 0x00008009 },
@@ -3409,8 +3412,6 @@ static const u32 ar9280Modes_original_tx_gain_9280_2[][6] = {
     { 0x00007840, 0x00392000, 0x00392000, 0x00392000, 0x00392000, 0x00392000 },
     { 0x00007820, 0x92592480, 0x92592480, 0x92592480, 0x92592480, 0x92592480 },
     { 0x00007844, 0x92592480, 0x92592480, 0x92592480, 0x92592480, 0x92592480 },
-    { 0x0000a274, 0x0a19c652, 0x0a19c652, 0x0a1aa652, 0x0a1aa652, 0x0a1aa652 },
-    { 0x0000a27c, 0x050701ce, 0x050701ce, 0x050701ce, 0x050701ce, 0x050701ce },
 };
 
 static const u32 ar9280PciePhy_clkreq_off_L1_9280[][2] = {
-- 
GitLab


From 66afad0156a0b673688f309147e57c3a85541329 Mon Sep 17 00:00:00 2001
From: Senthil Balasubramanian <senthilkumar@atheros.com>
Date: Fri, 18 Sep 2009 15:06:07 +0530
Subject: [PATCH 0135/1815] ath9k: Allow PSPOLL only when the interface is
 configured in AP mode

Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/recv.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 3a2204d8470..c880a55939b 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -423,7 +423,10 @@ u32 ath_calcrxfilter(struct ath_softc *sc)
 	else
 		rfilt |= ATH9K_RX_FILTER_BEACON;
 
-	if (sc->rx.rxfilter & FIF_PSPOLL)
+	if ((AR_SREV_9280_10_OR_LATER(sc->sc_ah) ||
+	    AR_SREV_9285_10_OR_LATER(sc->sc_ah)) &&
+	    (sc->sc_ah->opmode == NL80211_IFTYPE_AP) &&
+	    (sc->rx.rxfilter & FIF_PSPOLL))
 		rfilt |= ATH9K_RX_FILTER_PSPOLL;
 
 	if (conf_is_ht(&sc->hw->conf))
-- 
GitLab


From 1d50a69b18818b276333590d1f2c9382d292d84d Mon Sep 17 00:00:00 2001
From: Senthil Balasubramanian <senthilkumar@atheros.com>
Date: Fri, 18 Sep 2009 15:06:37 +0530
Subject: [PATCH 0136/1815] ath9k: Handle ATH9K_BEACON_RESET_TSF properly

Clearing a local variable is unnecessary.
Get rid of it.

Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 0a3de3f7b0a..eb408831f3c 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -3422,7 +3422,6 @@ void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period)
 
 	beacon_period &= ~ATH9K_BEACON_ENA;
 	if (beacon_period & ATH9K_BEACON_RESET_TSF) {
-		beacon_period &= ~ATH9K_BEACON_RESET_TSF;
 		ath9k_hw_reset_tsf(ah);
 	}
 
-- 
GitLab


From 63a75b912b00fbafeb54849ca3bcd0295ad68609 Mon Sep 17 00:00:00 2001
From: Senthil Balasubramanian <senthilkumar@atheros.com>
Date: Fri, 18 Sep 2009 15:07:03 +0530
Subject: [PATCH 0137/1815] ath9k: Reduce PLL Settle time and eliminate
 redundant PLL calls.

Reduce PLL Settle time and eliminate redundant PLL calls. Also reduce
the LoadNF timeout from 10 msec to 250usec as the 10 msec timeout was
hit with AR9285 in some cases.

Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/calib.c |  4 ++--
 drivers/net/wireless/ath/ath9k/hw.c    | 15 +++++++++++----
 drivers/net/wireless/ath/ath9k/hw.h    |  2 +-
 3 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c
index 9c46b54d2a9..d347ea79e77 100644
--- a/drivers/net/wireless/ath/ath9k/calib.c
+++ b/drivers/net/wireless/ath/ath9k/calib.c
@@ -653,11 +653,11 @@ void ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan)
 		    AR_PHY_AGC_CONTROL_NO_UPDATE_NF);
 	REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF);
 
-	for (j = 0; j < 1000; j++) {
+	for (j = 0; j < 5; j++) {
 		if ((REG_READ(ah, AR_PHY_AGC_CONTROL) &
 		     AR_PHY_AGC_CONTROL_NF) == 0)
 			break;
-		udelay(10);
+		udelay(50);
 	}
 
 	for (i = 0; i < NUM_NF_READINGS; i++) {
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index eb408831f3c..b53faa09bdb 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1691,8 +1691,6 @@ static bool ath9k_hw_set_reset(struct ath_hw *ah, int type)
 	if (!AR_SREV_9100(ah))
 		REG_WRITE(ah, AR_RC, 0);
 
-	ath9k_hw_init_pll(ah, NULL);
-
 	if (AR_SREV_9100(ah))
 		udelay(50);
 
@@ -2885,6 +2883,7 @@ static bool ath9k_hw_set_power_awake(struct ath_hw *ah, int setChip)
 					   ATH9K_RESET_POWER_ON) != true) {
 				return false;
 			}
+			ath9k_hw_init_pll(ah, NULL);
 		}
 		if (AR_SREV_9100(ah))
 			REG_SET_BIT(ah, AR_RTC_RESET,
@@ -3968,7 +3967,11 @@ void ath9k_hw_setrxfilter(struct ath_hw *ah, u32 bits)
 
 bool ath9k_hw_phy_disable(struct ath_hw *ah)
 {
-	return ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM);
+	if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM))
+		return false;
+
+	ath9k_hw_init_pll(ah, NULL);
+	return true;
 }
 
 bool ath9k_hw_disable(struct ath_hw *ah)
@@ -3976,7 +3979,11 @@ bool ath9k_hw_disable(struct ath_hw *ah)
 	if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
 		return false;
 
-	return ath9k_hw_set_reset_reg(ah, ATH9K_RESET_COLD);
+	if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_COLD))
+		return false;
+
+	ath9k_hw_init_pll(ah, NULL);
+	return true;
 }
 
 void ath9k_hw_set_txpowerlimit(struct ath_hw *ah, u32 limit)
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 6673a810336..773f5c405c0 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -102,7 +102,7 @@
 #define AR_GPIO_BIT(_gpio)          (1 << (_gpio))
 
 #define BASE_ACTIVATE_DELAY         100
-#define RTC_PLL_SETTLE_DELAY        1000
+#define RTC_PLL_SETTLE_DELAY        100
 #define COEF_SCALE_S                24
 #define HT40_CHANNEL_CENTER_SHIFT   10
 
-- 
GitLab


From ebb90cfc32f0d7ee55be7787ce7d88e521e9ed01 Mon Sep 17 00:00:00 2001
From: Senthil Balasubramanian <senthilkumar@atheros.com>
Date: Fri, 18 Sep 2009 15:07:33 +0530
Subject: [PATCH 0138/1815] ath9k: Advertise midband for AR5416 devices

This has to be done if the EEPROM supports FCC Midband
capability.

Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/eeprom.h | 1 +
 drivers/net/wireless/ath/ath9k/hw.c     | 5 ++++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath9k/eeprom.h b/drivers/net/wireless/ath/ath9k/eeprom.h
index 8463ba09c12..33492741735 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom.h
+++ b/drivers/net/wireless/ath/ath9k/eeprom.h
@@ -639,6 +639,7 @@ struct ar9287_eeprom {
 } __packed;
 
 enum reg_ext_bitmap {
+	REG_EXT_FCC_MIDBAND = 0,
 	REG_EXT_JAPAN_MIDBAND = 1,
 	REG_EXT_FCC_DFS_HT40 = 2,
 	REG_EXT_JAPAN_NONDFS_HT40 = 3,
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index b53faa09bdb..7a4de3d8e6f 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -3660,7 +3660,10 @@ void ath9k_hw_fill_cap_info(struct ath_hw *ah)
 			AR_EEPROM_EEREGCAP_EN_KK_U1_EVEN;
 	}
 
-	pCap->reg_cap |= AR_EEPROM_EEREGCAP_EN_FCC_MIDBAND;
+	/* Advertise midband for AR5416 with FCC midband set in eeprom */
+	if (regulatory->current_rd_ext & (1 << REG_EXT_FCC_MIDBAND) &&
+	    AR_SREV_5416(ah))
+		pCap->reg_cap |= AR_EEPROM_EEREGCAP_EN_FCC_MIDBAND;
 
 	pCap->num_antcfg_5ghz =
 		ah->eep_ops->get_num_ant_config(ah, ATH9K_HAL_FREQ_BAND_5GHZ);
-- 
GitLab


From e41f0bfcb130d9f17cf5ee8e46d739c1bebda963 Mon Sep 17 00:00:00 2001
From: Senthil Balasubramanian <senthilkumar@atheros.com>
Date: Fri, 18 Sep 2009 15:08:20 +0530
Subject: [PATCH 0139/1815] ath9k: Fix bugs in handling TX power

* Get power table offset from the EEPROM instead of using
  a hardcoded value of -5 if the EEPROM rev is >= 21.
* Add support in the 4k eeprom code for tx power offset
  in case we have a 4k AR9280 implementation.
* Fix tx power accuracy at high powers.

Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/eeprom.h     |   5 +-
 drivers/net/wireless/ath/ath9k/eeprom_4k.c  |   4 +-
 drivers/net/wireless/ath/ath9k/eeprom_def.c | 102 +++++++++++++++++++-
 3 files changed, 104 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/eeprom.h b/drivers/net/wireless/ath/ath9k/eeprom.h
index 33492741735..2f2993b50e2 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom.h
+++ b/drivers/net/wireless/ath/ath9k/eeprom.h
@@ -134,6 +134,7 @@
 #define AR5416_EEP_MINOR_VER_17      0x11
 #define AR5416_EEP_MINOR_VER_19      0x13
 #define AR5416_EEP_MINOR_VER_20      0x14
+#define AR5416_EEP_MINOR_VER_21      0x15
 #define AR5416_EEP_MINOR_VER_22      0x16
 
 #define AR5416_NUM_5G_CAL_PIERS         8
@@ -154,7 +155,7 @@
 #define AR5416_BCHAN_UNUSED             0xFF
 #define AR5416_MAX_PWR_RANGE_IN_HALF_DB 64
 #define AR5416_MAX_CHAINS               3
-#define AR5416_PWR_TABLE_OFFSET         -5
+#define AR5416_PWR_TABLE_OFFSET_DB     -5
 
 /* Rx gain type values */
 #define AR5416_EEP_RXGAIN_23DB_BACKOFF     0
@@ -302,7 +303,7 @@ struct base_eep_header {
 	u8 txGainType;
 	u8 rcChainMask;
 	u8 desiredScaleCCK;
-	u8 power_table_offset;
+	u8 pwr_table_offset;
 	u8 frac_n_5g;
 	u8 futureBase_3[21];
 } __packed;
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_4k.c b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
index 2a27b1d51a1..58167d861dc 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_4k.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
@@ -210,6 +210,8 @@ static u32 ath9k_hw_4k_get_eeprom(struct ath_hw *ah,
 		return pBase->rxMask;
 	case EEP_FRAC_N_5G:
 		return 0;
+	case EEP_PWR_TABLE_OFFSET:
+		return AR5416_PWR_TABLE_OFFSET_DB;
 	default:
 		return 0;
 	}
@@ -753,7 +755,7 @@ static void ath9k_hw_4k_set_txpower(struct ath_hw *ah,
 
 	if (AR_SREV_9280_10_OR_LATER(ah)) {
 		for (i = 0; i < Ar5416RateSize; i++)
-			ratesArray[i] -= AR5416_PWR_TABLE_OFFSET * 2;
+			ratesArray[i] -= AR5416_PWR_TABLE_OFFSET_DB * 2;
 	}
 
 	/* OFDM power per rate */
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_def.c b/drivers/net/wireless/ath/ath9k/eeprom_def.c
index 8f04b644e2e..404a0341242 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_def.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_def.c
@@ -291,6 +291,11 @@ static u32 ath9k_hw_def_get_eeprom(struct ath_hw *ah,
 			return pBase->frac_n_5g;
 		else
 			return 0;
+	case EEP_PWR_TABLE_OFFSET:
+		if (AR5416_VER_MASK >= AR5416_EEP_MINOR_VER_21)
+			return pBase->pwr_table_offset;
+		else
+			return AR5416_PWR_TABLE_OFFSET_DB;
 	default:
 		return 0;
 	}
@@ -741,6 +746,76 @@ static void ath9k_hw_get_def_gain_boundaries_pdadcs(struct ath_hw *ah,
 	return;
 }
 
+static int16_t ath9k_change_gain_boundary_setting(struct ath_hw *ah,
+				u16 *gb,
+				u16 numXpdGain,
+				u16 pdGainOverlap_t2,
+				int8_t pwr_table_offset,
+				int16_t *diff)
+
+{
+	u16 k;
+
+	/* Prior to writing the boundaries or the pdadc vs. power table
+	 * into the chip registers the default starting point on the pdadc
+	 * vs. power table needs to be checked and the curve boundaries
+	 * adjusted accordingly
+	 */
+	if (AR_SREV_9280_20_OR_LATER(ah)) {
+		u16 gb_limit;
+
+		if (AR5416_PWR_TABLE_OFFSET_DB != pwr_table_offset) {
+			/* get the difference in dB */
+			*diff = (u16)(pwr_table_offset - AR5416_PWR_TABLE_OFFSET_DB);
+			/* get the number of half dB steps */
+			*diff *= 2;
+			/* change the original gain boundary settings
+			 * by the number of half dB steps
+			 */
+			for (k = 0; k < numXpdGain; k++)
+				gb[k] = (u16)(gb[k] - *diff);
+		}
+		/* Because of a hardware limitation, ensure the gain boundary
+		 * is not larger than (63 - overlap)
+		 */
+		gb_limit = (u16)(AR5416_MAX_RATE_POWER - pdGainOverlap_t2);
+
+		for (k = 0; k < numXpdGain; k++)
+			gb[k] = (u16)min(gb_limit, gb[k]);
+	}
+
+	return *diff;
+}
+
+static void ath9k_adjust_pdadc_values(struct ath_hw *ah,
+				      int8_t pwr_table_offset,
+				      int16_t diff,
+				      u8 *pdadcValues)
+{
+#define NUM_PDADC(diff) (AR5416_NUM_PDADC_VALUES - diff)
+	u16 k;
+
+	/* If this is a board that has a pwrTableOffset that differs from
+	 * the default AR5416_PWR_TABLE_OFFSET_DB then the start of the
+	 * pdadc vs pwr table needs to be adjusted prior to writing to the
+	 * chip.
+	 */
+	if (AR_SREV_9280_20_OR_LATER(ah)) {
+		if (AR5416_PWR_TABLE_OFFSET_DB != pwr_table_offset) {
+			/* shift the table to start at the new offset */
+			for (k = 0; k < (u16)NUM_PDADC(diff); k++ ) {
+				pdadcValues[k] = pdadcValues[k + diff];
+			}
+
+			/* fill the back of the table */
+			for (k = (u16)NUM_PDADC(diff); k < NUM_PDADC(0); k++) {
+				pdadcValues[k] = pdadcValues[NUM_PDADC(diff)];
+			}
+		}
+	}
+#undef NUM_PDADC
+}
+
 static void ath9k_hw_set_def_power_cal_table(struct ath_hw *ah,
 				  struct ath9k_channel *chan,
 				  int16_t *pTxPowerIndexOffset)
@@ -756,15 +831,18 @@ static void ath9k_hw_set_def_power_cal_table(struct ath_hw *ah,
 	static u8 pdadcValues[AR5416_NUM_PDADC_VALUES];
 	u16 gainBoundaries[AR5416_PD_GAINS_IN_MASK];
 	u16 numPiers, i, j;
-	int16_t tMinCalPower;
+	int16_t tMinCalPower, diff = 0;
 	u16 numXpdGain, xpdMask;
 	u16 xpdGainValues[AR5416_NUM_PD_GAINS] = { 0, 0, 0, 0 };
 	u32 reg32, regOffset, regChainOffset;
 	int16_t modalIdx;
+	int8_t pwr_table_offset;
 
 	modalIdx = IS_CHAN_2GHZ(chan) ? 1 : 0;
 	xpdMask = pEepData->modalHeader[modalIdx].xpdGain;
 
+	pwr_table_offset = ah->eep_ops->get_eeprom(ah, EEP_PWR_TABLE_OFFSET);
+
 	if ((pEepData->baseEepHeader.version & AR5416_EEP_VER_MINOR_MASK) >=
 	    AR5416_EEP_MINOR_VER_2) {
 		pdGainOverlap_t2 =
@@ -844,6 +922,13 @@ static void ath9k_hw_set_def_power_cal_table(struct ath_hw *ah,
 							numXpdGain);
 			}
 
+			diff = ath9k_change_gain_boundary_setting(ah,
+							   gainBoundaries,
+							   numXpdGain,
+							   pdGainOverlap_t2,
+							   pwr_table_offset,
+							   &diff);
+
 			if ((i == 0) || AR_SREV_5416_20_OR_LATER(ah)) {
 				if (OLC_FOR_AR9280_20_LATER) {
 					REG_WRITE(ah,
@@ -864,6 +949,10 @@ static void ath9k_hw_set_def_power_cal_table(struct ath_hw *ah,
 				}
 			}
 
+
+			ath9k_adjust_pdadc_values(ah, pwr_table_offset,
+						  diff, pdadcValues);
+
 			regOffset = AR_PHY_BASE + (672 << 2) + regChainOffset;
 			for (j = 0; j < 32; j++) {
 				reg32 = ((pdadcValues[4 * j + 0] & 0xFF) << 0) |
@@ -1199,8 +1288,13 @@ static void ath9k_hw_def_set_txpower(struct ath_hw *ah,
 	}
 
 	if (AR_SREV_9280_10_OR_LATER(ah)) {
-		for (i = 0; i < Ar5416RateSize; i++)
-			ratesArray[i] -= AR5416_PWR_TABLE_OFFSET * 2;
+		for (i = 0; i < Ar5416RateSize; i++) {
+			int8_t pwr_table_offset;
+
+			pwr_table_offset = ah->eep_ops->get_eeprom(ah,
+							EEP_PWR_TABLE_OFFSET);
+			ratesArray[i] -= pwr_table_offset * 2;
+		}
 	}
 
 	REG_WRITE(ah, AR_PHY_POWER_TX_RATE1,
@@ -1299,7 +1393,7 @@ static void ath9k_hw_def_set_txpower(struct ath_hw *ah,
 
 	if (AR_SREV_9280_10_OR_LATER(ah))
 		regulatory->max_power_level =
-			ratesArray[i] + AR5416_PWR_TABLE_OFFSET * 2;
+			ratesArray[i] + AR5416_PWR_TABLE_OFFSET_DB * 2;
 	else
 		regulatory->max_power_level = ratesArray[i];
 
-- 
GitLab


From c099752ae06784fcd9cd393cbf3dfbc6b54f4569 Mon Sep 17 00:00:00 2001
From: Christian Lamparter <chunkeey@googlemail.com>
Date: Fri, 18 Sep 2009 18:20:03 +0200
Subject: [PATCH 0140/1815] iwlwifi: drop lib80211 dependency

Ever since Johannes' "iwlwifi: improve scan support" iwlwifi
no longer needs any of lib80211's functions or definitions.

This patch updates iwlwifi's Kconfig _selections_ and
removes all left lib80211.h inclusions from the source files.

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Acked-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/Kconfig        | 1 -
 drivers/net/wireless/iwlwifi/iwl-scan.c     | 1 -
 drivers/net/wireless/iwlwifi/iwl3945-base.c | 1 -
 3 files changed, 3 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/Kconfig b/drivers/net/wireless/iwlwifi/Kconfig
index 99310c03325..eb62c20e801 100644
--- a/drivers/net/wireless/iwlwifi/Kconfig
+++ b/drivers/net/wireless/iwlwifi/Kconfig
@@ -1,7 +1,6 @@
 config IWLWIFI
 	tristate "Intel Wireless Wifi"
 	depends on PCI && MAC80211 && WLAN_80211 && EXPERIMENTAL
-	select LIB80211
 	select FW_LOADER
 	select MAC80211_LEDS if IWLWIFI_LEDS
 	select LEDS_CLASS if IWLWIFI_LEDS
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index 4f3a108fa99..41f9a062125 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -27,7 +27,6 @@
  *****************************************************************************/
 #include <linux/types.h>
 #include <linux/etherdevice.h>
-#include <net/lib80211.h>
 #include <net/mac80211.h>
 
 #include "iwl-eeprom.h"
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 4a4af0f782f..3575e7fbadc 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -41,7 +41,6 @@
 #include <linux/if_arp.h>
 
 #include <net/ieee80211_radiotap.h>
-#include <net/lib80211.h>
 #include <net/mac80211.h>
 
 #include <asm/div64.h>
-- 
GitLab


From bdcf8ff3dd7e89ee4b3f303b6f7e5e04876f9d76 Mon Sep 17 00:00:00 2001
From: Jaswinder Singh Rajput <jaswinder@kernel.org>
Date: Sun, 20 Sep 2009 13:39:24 +0530
Subject: [PATCH 0141/1815] b43: Comment unused functions
 lpphy_restore_dig_flt_state and lpphy_disable_rx_gain_override
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Commenting unused functions lpphy_restore_dig_flt_state and
lpphy_disable_rx_gain_override, may be we need these functions in future.

This also fixed following compilation warnings :
  CC [M]  drivers/net/wireless/b43/phy_lp.o
drivers/net/wireless/b43/phy_lp.c:383: warning: ‘lpphy_restore_dig_flt_state’ defined but not used
drivers/net/wireless/b43/phy_lp.c:891: warning: ‘lpphy_disable_rx_gain_override’ defined but not used

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/b43/phy_lp.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/wireless/b43/phy_lp.c b/drivers/net/wireless/b43/phy_lp.c
index 1e318d815a5..c6987b147af 100644
--- a/drivers/net/wireless/b43/phy_lp.c
+++ b/drivers/net/wireless/b43/phy_lp.c
@@ -379,6 +379,8 @@ static void lpphy_save_dig_flt_state(struct b43_wldev *dev)
 	}
 }
 
+/* lpphy_restore_dig_flt_state is unused but kept as a reference */
+#if 0
 static void lpphy_restore_dig_flt_state(struct b43_wldev *dev)
 {
 	static const u16 addr[] = {
@@ -399,6 +401,7 @@ static void lpphy_restore_dig_flt_state(struct b43_wldev *dev)
 	for (i = 0; i < ARRAY_SIZE(addr); i++)
 		b43_phy_write(dev, addr[i], lpphy->dig_flt_state[i]);
 }
+#endif
 
 static void lpphy_baseband_rev2plus_init(struct b43_wldev *dev)
 {
@@ -887,6 +890,8 @@ static void lpphy_rev2plus_set_rx_gain(struct b43_wldev *dev, u32 gain)
 	}
 }
 
+/* lpphy_disable_rx_gain_override is unused but kept as a reference */
+#if 0
 static void lpphy_disable_rx_gain_override(struct b43_wldev *dev)
 {
 	b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFFE);
@@ -902,6 +907,7 @@ static void lpphy_disable_rx_gain_override(struct b43_wldev *dev)
 		b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFDFF);
 	}
 }
+#endif
 
 static void lpphy_enable_rx_gain_override(struct b43_wldev *dev)
 {
-- 
GitLab


From 475a6e4d3907d6af412d081a9eab3b1e8a24afd1 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 23 Sep 2009 23:06:59 -0400
Subject: [PATCH 0142/1815] ath9k: use common read/write ops on pci and debug
 code

PCI and debug code will not be shared between ath9k and
ath9k_htc, so make that code use the common read/write ops.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/debug.c | 21 +++++++++++++--------
 drivers/net/wireless/ath/ath9k/pci.c   |  4 ++--
 2 files changed, 15 insertions(+), 10 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 5dfc0e97d96..352914cae6d 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -18,6 +18,11 @@
 
 #include "ath9k.h"
 
+#define REG_WRITE_D(_ah, _reg, _val) \
+	ath9k_hw_common(_ah)->ops->write((_ah), (_val), (_reg))
+#define REG_READ_D(_ah, _reg) \
+	ath9k_hw_common(_ah)->ops->read((_ah), (_reg))
+
 static unsigned int ath9k_debug = ATH_DBG_DEFAULT;
 module_param_named(debug, ath9k_debug, uint, 0);
 
@@ -82,7 +87,7 @@ static ssize_t read_file_dma(struct file *file, char __user *user_buf,
 
 	ath9k_ps_wakeup(sc);
 
-	REG_WRITE(ah, AR_MACMISC,
+	REG_WRITE_D(ah, AR_MACMISC,
 		  ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
 		   (AR_MACMISC_MISC_OBS_BUS_1 <<
 		    AR_MACMISC_MISC_OBS_BUS_MSB_S)));
@@ -94,7 +99,7 @@ static ssize_t read_file_dma(struct file *file, char __user *user_buf,
 		if (i % 4 == 0)
 			len += snprintf(buf + len, sizeof(buf) - len, "\n");
 
-		val[i] = REG_READ(ah, AR_DMADBG_0 + (i * sizeof(u32)));
+		val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
 		len += snprintf(buf + len, sizeof(buf) - len, "%d: %08x ",
 				i, val[i]);
 	}
@@ -144,9 +149,9 @@ static ssize_t read_file_dma(struct file *file, char __user *user_buf,
 		(val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
 
 	len += snprintf(buf + len, sizeof(buf) - len, "pcu observe: 0x%x \n",
-			REG_READ(ah, AR_OBS_BUS_1));
+			REG_READ_D(ah, AR_OBS_BUS_1));
 	len += snprintf(buf + len, sizeof(buf) - len,
-			"AR_CR: 0x%x \n", REG_READ(ah, AR_CR));
+			"AR_CR: 0x%x \n", REG_READ_D(ah, AR_CR));
 
 	ath9k_ps_restore(sc);
 
@@ -363,12 +368,12 @@ static ssize_t read_file_wiphy(struct file *file, char __user *user_buf,
 				aphy->chan_idx, aphy->chan_is_ht);
 	}
 
-	put_unaligned_le32(REG_READ(sc->sc_ah, AR_STA_ID0), addr);
-	put_unaligned_le16(REG_READ(sc->sc_ah, AR_STA_ID1) & 0xffff, addr + 4);
+	put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_STA_ID0), addr);
+	put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_STA_ID1) & 0xffff, addr + 4);
 	len += snprintf(buf + len, sizeof(buf) - len,
 			"addr: %pM\n", addr);
-	put_unaligned_le32(REG_READ(sc->sc_ah, AR_BSSMSKL), addr);
-	put_unaligned_le16(REG_READ(sc->sc_ah, AR_BSSMSKU) & 0xffff, addr + 4);
+	put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_BSSMSKL), addr);
+	put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_BSSMSKU) & 0xffff, addr + 4);
 	len += snprintf(buf + len, sizeof(buf) - len,
 			"addrmask: %pM\n", addr);
 
diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
index a1001ffdd38..b2a45ce6269 100644
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -65,7 +65,7 @@ static bool ath_pci_eeprom_read(struct ath_common *common, u32 off, u16 *data)
 {
 	struct ath_hw *ah = (struct ath_hw *) common->ah;
 
-	(void)REG_READ(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S));
+	common->ops->read(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S));
 
 	if (!ath9k_hw_wait(ah,
 			   AR_EEPROM_STATUS_DATA,
@@ -75,7 +75,7 @@ static bool ath_pci_eeprom_read(struct ath_common *common, u32 off, u16 *data)
 		return false;
 	}
 
-	*data = MS(REG_READ(ah, AR_EEPROM_STATUS_DATA),
+	*data = MS(common->ops->read(ah, AR_EEPROM_STATUS_DATA),
 		   AR_EEPROM_STATUS_DATA_VAL);
 
 	return true;
-- 
GitLab


From 7322fd19295fa7f7d954a19a5f0b77687d441846 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 23 Sep 2009 23:07:00 -0400
Subject: [PATCH 0143/1815] ath9k: move hw code to its own module

hw code for Atheros 802.11n hardware is commmon between
different chipsets. This moves this code into a separate
module, the next expected user of this code will be
the ath9k_htc module.

The ath9k/ dir is now selected by ATH9K_HW, an option which
gets selected by either ath9k or ath9k_htc, but remains
invisible for user menuconfig configuration. If either
ath9k or ath9k_htc will be compiled into the kernel
ath9k_hw will also be compiled in.

Cc: Jouni Malinen <jouni.malinen@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/Makefile       |  2 +-
 drivers/net/wireless/ath/ath9k/Kconfig  |  4 ++
 drivers/net/wireless/ath/ath9k/Makefile | 27 +++++------
 drivers/net/wireless/ath/ath9k/ani.c    |  2 +
 drivers/net/wireless/ath/ath9k/btcoex.c |  6 +++
 drivers/net/wireless/ath/ath9k/calib.c  |  3 ++
 drivers/net/wireless/ath/ath9k/hw.c     | 61 +++++++++++++++++++++++++
 drivers/net/wireless/ath/ath9k/mac.c    | 30 ++++++++++++
 8 files changed, 121 insertions(+), 14 deletions(-)

diff --git a/drivers/net/wireless/ath/Makefile b/drivers/net/wireless/ath/Makefile
index 5c8e6b2bbaa..8113a5042af 100644
--- a/drivers/net/wireless/ath/Makefile
+++ b/drivers/net/wireless/ath/Makefile
@@ -1,5 +1,5 @@
 obj-$(CONFIG_ATH5K)		+= ath5k/
-obj-$(CONFIG_ATH9K)		+= ath9k/
+obj-$(CONFIG_ATH9K_HW)		+= ath9k/
 obj-$(CONFIG_AR9170_USB)        += ar9170/
 
 obj-$(CONFIG_ATH_COMMON)	+= ath.o
diff --git a/drivers/net/wireless/ath/ath9k/Kconfig b/drivers/net/wireless/ath/ath9k/Kconfig
index de4aeea8a00..99ce066392a 100644
--- a/drivers/net/wireless/ath/ath9k/Kconfig
+++ b/drivers/net/wireless/ath/ath9k/Kconfig
@@ -1,6 +1,10 @@
+config ATH9K_HW
+	tristate
+
 config ATH9K
 	tristate "Atheros 802.11n wireless cards support"
 	depends on PCI && MAC80211 && WLAN_80211
+	select ATH9K_HW
 	select MAC80211_LEDS
 	select LEDS_CLASS
 	select NEW_LEDS
diff --git a/drivers/net/wireless/ath/ath9k/Makefile b/drivers/net/wireless/ath/ath9k/Makefile
index f3221af73eb..8caf2a8f895 100644
--- a/drivers/net/wireless/ath/ath9k/Makefile
+++ b/drivers/net/wireless/ath/ath9k/Makefile
@@ -1,16 +1,4 @@
-ATH9K_HW +=	hw.o \
-		eeprom.o \
-		eeprom_def.o \
-		eeprom_4k.o \
-		eeprom_9287.o \
-		calib.o \
-		ani.o \
-		phy.o \
-		btcoex.o \
-		mac.o \
-
-ath9k-y +=	$(ATH9K_HW) \
-		beacon.o \
+ath9k-y +=	beacon.o \
 		main.o \
 		recv.o \
 		xmit.o \
@@ -22,3 +10,16 @@ ath9k-$(CONFIG_ATHEROS_AR71XX) += ahb.o
 ath9k-$(CONFIG_ATH9K_DEBUG) += debug.o
 
 obj-$(CONFIG_ATH9K) += ath9k.o
+
+ath9k_hw-y:=	hw.o \
+		eeprom.o \
+		eeprom_def.o \
+		eeprom_4k.o \
+		eeprom_9287.o \
+		calib.o \
+		ani.o \
+		phy.o \
+		btcoex.o \
+		mac.o \
+
+obj-$(CONFIG_ATH9K_HW) += ath9k_hw.o
diff --git a/drivers/net/wireless/ath/ath9k/ani.c b/drivers/net/wireless/ath/ath9k/ani.c
index ecb23f302c3..2a0cd64c2bf 100644
--- a/drivers/net/wireless/ath/ath9k/ani.c
+++ b/drivers/net/wireless/ath/ath9k/ani.c
@@ -629,6 +629,7 @@ void ath9k_hw_ani_monitor(struct ath_hw *ah,
 		}
 	}
 }
+EXPORT_SYMBOL(ath9k_hw_ani_monitor);
 
 void ath9k_enable_mib_counters(struct ath_hw *ah)
 {
@@ -756,6 +757,7 @@ void ath9k_hw_procmibevent(struct ath_hw *ah)
 		ath9k_ani_restart(ah);
 	}
 }
+EXPORT_SYMBOL(ath9k_hw_procmibevent);
 
 void ath9k_hw_ani_setup(struct ath_hw *ah)
 {
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c
index 0c54489ca44..fb4ac15f3b9 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.c
+++ b/drivers/net/wireless/ath/ath9k/btcoex.c
@@ -95,6 +95,7 @@ void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum)
 	for (i = 0; i < 32; i++)
 		ah->hw_gen_timers.gen_timer_index[(debruijn32 << i) >> 27] = i;
 }
+EXPORT_SYMBOL(ath9k_hw_init_btcoex_hw);
 
 void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah)
 {
@@ -116,6 +117,7 @@ void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah)
 	/* Configure the desired gpio port for input */
 	ath9k_hw_cfg_gpio_input(ah, btcoex_hw->btactive_gpio);
 }
+EXPORT_SYMBOL(ath9k_hw_btcoex_init_2wire);
 
 void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah)
 {
@@ -141,6 +143,7 @@ void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah)
 	ath9k_hw_cfg_gpio_input(ah, btcoex_hw->btactive_gpio);
 	ath9k_hw_cfg_gpio_input(ah, btcoex_hw->btpriority_gpio);
 }
+EXPORT_SYMBOL(ath9k_hw_btcoex_init_3wire);
 
 static void ath9k_hw_btcoex_enable_2wire(struct ath_hw *ah)
 {
@@ -160,6 +163,7 @@ void ath9k_hw_btcoex_set_weight(struct ath_hw *ah,
 	btcoex_hw->bt_coex_weights = SM(bt_weight, AR_BTCOEX_BT_WGHT) |
 				     SM(wlan_weight, AR_BTCOEX_WL_WGHT);
 }
+EXPORT_SYMBOL(ath9k_hw_btcoex_set_weight);
 
 static void ath9k_hw_btcoex_enable_3wire(struct ath_hw *ah)
 {
@@ -201,6 +205,7 @@ void ath9k_hw_btcoex_enable(struct ath_hw *ah)
 
 	ah->btcoex_hw.enabled = true;
 }
+EXPORT_SYMBOL(ath9k_hw_btcoex_enable);
 
 void ath9k_hw_btcoex_disable(struct ath_hw *ah)
 {
@@ -219,3 +224,4 @@ void ath9k_hw_btcoex_disable(struct ath_hw *ah)
 
 	ah->btcoex_hw.enabled = false;
 }
+EXPORT_SYMBOL(ath9k_hw_btcoex_disable);
diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c
index d347ea79e77..f46bd05df44 100644
--- a/drivers/net/wireless/ath/ath9k/calib.c
+++ b/drivers/net/wireless/ath/ath9k/calib.c
@@ -594,6 +594,7 @@ bool ath9k_hw_reset_calvalid(struct ath_hw *ah)
 
 	return false;
 }
+EXPORT_SYMBOL(ath9k_hw_reset_calvalid);
 
 void ath9k_hw_start_nfcal(struct ath_hw *ah)
 {
@@ -746,6 +747,7 @@ s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan)
 
 	return nf;
 }
+EXPORT_SYMBOL(ath9k_hw_getchan_noise);
 
 static void ath9k_olc_temp_compensation_9287(struct ath_hw *ah)
 {
@@ -1066,6 +1068,7 @@ bool ath9k_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan,
 
 	return iscaldone;
 }
+EXPORT_SYMBOL(ath9k_hw_calibrate);
 
 static bool ar9285_clc(struct ath_hw *ah, struct ath9k_channel *chan)
 {
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 7a4de3d8e6f..7d167a1b286 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -33,6 +33,23 @@ static u32 ath9k_hw_ini_fixup(struct ath_hw *ah,
 static void ath9k_hw_9280_spur_mitigate(struct ath_hw *ah, struct ath9k_channel *chan);
 static void ath9k_hw_spur_mitigate(struct ath_hw *ah, struct ath9k_channel *chan);
 
+MODULE_AUTHOR("Atheros Communications");
+MODULE_DESCRIPTION("Support for Atheros 802.11n wireless LAN cards.");
+MODULE_SUPPORTED_DEVICE("Atheros 802.11n WLAN cards");
+MODULE_LICENSE("Dual BSD/GPL");
+
+static int __init ath9k_init(void)
+{
+	return 0;
+}
+module_init(ath9k_init);
+
+static void __exit ath9k_exit(void)
+{
+	return;
+}
+module_exit(ath9k_exit);
+
 /********************/
 /* Helper Functions */
 /********************/
@@ -99,6 +116,7 @@ bool ath9k_hw_wait(struct ath_hw *ah, u32 reg, u32 mask, u32 val, u32 timeout)
 
 	return false;
 }
+EXPORT_SYMBOL(ath9k_hw_wait);
 
 u32 ath9k_hw_reverse_bits(u32 val, u32 n)
 {
@@ -186,6 +204,7 @@ u16 ath9k_hw_computetxtime(struct ath_hw *ah,
 
 	return txTime;
 }
+EXPORT_SYMBOL(ath9k_hw_computetxtime);
 
 void ath9k_hw_get_channel_centers(struct ath_hw *ah,
 				  struct ath9k_channel *chan,
@@ -402,6 +421,7 @@ static void ath9k_hw_init_config(struct ath_hw *ah)
 	if (num_possible_cpus() > 1)
 		ah->config.serialize_regmode = SER_REG_MODE_AUTO;
 }
+EXPORT_SYMBOL(ath9k_hw_init);
 
 static void ath9k_hw_init_defaults(struct ath_hw *ah)
 {
@@ -1223,6 +1243,7 @@ void ath9k_hw_detach(struct ath_hw *ah)
 	kfree(ah);
 	ah = NULL;
 }
+EXPORT_SYMBOL(ath9k_hw_detach);
 
 /*******/
 /* INI */
@@ -2561,6 +2582,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 
 	return 0;
 }
+EXPORT_SYMBOL(ath9k_hw_reset);
 
 /************************/
 /* Key Cache Management */
@@ -2599,6 +2621,7 @@ bool ath9k_hw_keyreset(struct ath_hw *ah, u16 entry)
 
 	return true;
 }
+EXPORT_SYMBOL(ath9k_hw_keyreset);
 
 bool ath9k_hw_keysetmac(struct ath_hw *ah, u16 entry, const u8 *mac)
 {
@@ -2627,6 +2650,7 @@ bool ath9k_hw_keysetmac(struct ath_hw *ah, u16 entry, const u8 *mac)
 
 	return true;
 }
+EXPORT_SYMBOL(ath9k_hw_keysetmac);
 
 bool ath9k_hw_set_keycache_entry(struct ath_hw *ah, u16 entry,
 				 const struct ath9k_keyval *k,
@@ -2825,6 +2849,7 @@ bool ath9k_hw_set_keycache_entry(struct ath_hw *ah, u16 entry,
 
 	return true;
 }
+EXPORT_SYMBOL(ath9k_hw_set_keycache_entry);
 
 bool ath9k_hw_keyisvalid(struct ath_hw *ah, u16 entry)
 {
@@ -2835,6 +2860,7 @@ bool ath9k_hw_keyisvalid(struct ath_hw *ah, u16 entry)
 	}
 	return false;
 }
+EXPORT_SYMBOL(ath9k_hw_keyisvalid);
 
 /******************************/
 /* Power Management (Chipset) */
@@ -2951,6 +2977,7 @@ bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode)
 
 	return status;
 }
+EXPORT_SYMBOL(ath9k_hw_setpower);
 
 /*
  * Helper for ASPM support.
@@ -3083,6 +3110,7 @@ void ath9k_hw_configpcipowersave(struct ath_hw *ah, int restore, int power_off)
 		}
 	}
 }
+EXPORT_SYMBOL(ath9k_hw_configpcipowersave);
 
 /**********************/
 /* Interrupt Handling */
@@ -3106,6 +3134,7 @@ bool ath9k_hw_intrpend(struct ath_hw *ah)
 
 	return false;
 }
+EXPORT_SYMBOL(ath9k_hw_intrpend);
 
 bool ath9k_hw_getisr(struct ath_hw *ah, enum ath9k_int *masked)
 {
@@ -3258,6 +3287,7 @@ bool ath9k_hw_getisr(struct ath_hw *ah, enum ath9k_int *masked)
 
 	return true;
 }
+EXPORT_SYMBOL(ath9k_hw_getisr);
 
 enum ath9k_int ath9k_hw_set_interrupts(struct ath_hw *ah, enum ath9k_int ints)
 {
@@ -3365,6 +3395,7 @@ enum ath9k_int ath9k_hw_set_interrupts(struct ath_hw *ah, enum ath9k_int ints)
 
 	return omask;
 }
+EXPORT_SYMBOL(ath9k_hw_set_interrupts);
 
 /*******************/
 /* Beacon Handling */
@@ -3426,6 +3457,7 @@ void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period)
 
 	REG_SET_BIT(ah, AR_TIMER_MODE, flags);
 }
+EXPORT_SYMBOL(ath9k_hw_beaconinit);
 
 void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,
 				    const struct ath9k_beacon_state *bs)
@@ -3489,6 +3521,7 @@ void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,
 	/* TSF Out of Range Threshold */
 	REG_WRITE(ah, AR_TSFOOR_THRESHOLD, bs->bs_tsfoor_threshold);
 }
+EXPORT_SYMBOL(ath9k_hw_set_sta_beacon_timers);
 
 /*******************/
 /* HW Capabilities */
@@ -3756,6 +3789,7 @@ bool ath9k_hw_getcapability(struct ath_hw *ah, enum ath9k_capability_type type,
 		return false;
 	}
 }
+EXPORT_SYMBOL(ath9k_hw_getcapability);
 
 bool ath9k_hw_setcapability(struct ath_hw *ah, enum ath9k_capability_type type,
 			    u32 capability, u32 setting, int *status)
@@ -3789,6 +3823,7 @@ bool ath9k_hw_setcapability(struct ath_hw *ah, enum ath9k_capability_type type,
 		return false;
 	}
 }
+EXPORT_SYMBOL(ath9k_hw_setcapability);
 
 /****************************/
 /* GPIO / RFKILL / Antennae */
@@ -3835,6 +3870,7 @@ void ath9k_hw_cfg_gpio_input(struct ath_hw *ah, u32 gpio)
 		(AR_GPIO_OE_OUT_DRV_NO << gpio_shift),
 		(AR_GPIO_OE_OUT_DRV << gpio_shift));
 }
+EXPORT_SYMBOL(ath9k_hw_cfg_gpio_input);
 
 u32 ath9k_hw_gpio_get(struct ath_hw *ah, u32 gpio)
 {
@@ -3853,6 +3889,7 @@ u32 ath9k_hw_gpio_get(struct ath_hw *ah, u32 gpio)
 	else
 		return MS_REG_READ(AR, gpio) != 0;
 }
+EXPORT_SYMBOL(ath9k_hw_gpio_get);
 
 void ath9k_hw_cfg_output(struct ath_hw *ah, u32 gpio,
 			 u32 ah_signal_type)
@@ -3868,22 +3905,26 @@ void ath9k_hw_cfg_output(struct ath_hw *ah, u32 gpio,
 		(AR_GPIO_OE_OUT_DRV_ALL << gpio_shift),
 		(AR_GPIO_OE_OUT_DRV << gpio_shift));
 }
+EXPORT_SYMBOL(ath9k_hw_cfg_output);
 
 void ath9k_hw_set_gpio(struct ath_hw *ah, u32 gpio, u32 val)
 {
 	REG_RMW(ah, AR_GPIO_IN_OUT, ((val & 1) << gpio),
 		AR_GPIO_BIT(gpio));
 }
+EXPORT_SYMBOL(ath9k_hw_set_gpio);
 
 u32 ath9k_hw_getdefantenna(struct ath_hw *ah)
 {
 	return REG_READ(ah, AR_DEF_ANTENNA) & 0x7;
 }
+EXPORT_SYMBOL(ath9k_hw_getdefantenna);
 
 void ath9k_hw_setantenna(struct ath_hw *ah, u32 antenna)
 {
 	REG_WRITE(ah, AR_DEF_ANTENNA, (antenna & 0x7));
 }
+EXPORT_SYMBOL(ath9k_hw_setantenna);
 
 bool ath9k_hw_setantennaswitch(struct ath_hw *ah,
 			       enum ath9k_ant_setting settings,
@@ -3946,6 +3987,7 @@ u32 ath9k_hw_getrxfilter(struct ath_hw *ah)
 
 	return bits;
 }
+EXPORT_SYMBOL(ath9k_hw_getrxfilter);
 
 void ath9k_hw_setrxfilter(struct ath_hw *ah, u32 bits)
 {
@@ -3967,6 +4009,7 @@ void ath9k_hw_setrxfilter(struct ath_hw *ah, u32 bits)
 		REG_WRITE(ah, AR_RXCFG,
 			  REG_READ(ah, AR_RXCFG) & ~AR_RXCFG_ZLFDMA);
 }
+EXPORT_SYMBOL(ath9k_hw_setrxfilter);
 
 bool ath9k_hw_phy_disable(struct ath_hw *ah)
 {
@@ -3976,6 +4019,7 @@ bool ath9k_hw_phy_disable(struct ath_hw *ah)
 	ath9k_hw_init_pll(ah, NULL);
 	return true;
 }
+EXPORT_SYMBOL(ath9k_hw_phy_disable);
 
 bool ath9k_hw_disable(struct ath_hw *ah)
 {
@@ -3988,6 +4032,7 @@ bool ath9k_hw_disable(struct ath_hw *ah)
 	ath9k_hw_init_pll(ah, NULL);
 	return true;
 }
+EXPORT_SYMBOL(ath9k_hw_disable);
 
 void ath9k_hw_set_txpowerlimit(struct ath_hw *ah, u32 limit)
 {
@@ -4004,22 +4049,26 @@ void ath9k_hw_set_txpowerlimit(struct ath_hw *ah, u32 limit)
 				 min((u32) MAX_RATE_POWER,
 				 (u32) regulatory->power_limit));
 }
+EXPORT_SYMBOL(ath9k_hw_set_txpowerlimit);
 
 void ath9k_hw_setmac(struct ath_hw *ah, const u8 *mac)
 {
 	memcpy(ath9k_hw_common(ah)->macaddr, mac, ETH_ALEN);
 }
+EXPORT_SYMBOL(ath9k_hw_setmac);
 
 void ath9k_hw_setopmode(struct ath_hw *ah)
 {
 	ath9k_hw_set_operating_mode(ah, ah->opmode);
 }
+EXPORT_SYMBOL(ath9k_hw_setopmode);
 
 void ath9k_hw_setmcastfilter(struct ath_hw *ah, u32 filter0, u32 filter1)
 {
 	REG_WRITE(ah, AR_MCAST_FIL0, filter0);
 	REG_WRITE(ah, AR_MCAST_FIL1, filter1);
 }
+EXPORT_SYMBOL(ath9k_hw_setmcastfilter);
 
 void ath9k_hw_write_associd(struct ath_hw *ah)
 {
@@ -4029,6 +4078,7 @@ void ath9k_hw_write_associd(struct ath_hw *ah)
 	REG_WRITE(ah, AR_BSS_ID1, get_unaligned_le16(common->curbssid + 4) |
 		  ((common->curaid & 0x3fff) << AR_BSS_ID1_AID_S));
 }
+EXPORT_SYMBOL(ath9k_hw_write_associd);
 
 u64 ath9k_hw_gettsf64(struct ath_hw *ah)
 {
@@ -4039,12 +4089,14 @@ u64 ath9k_hw_gettsf64(struct ath_hw *ah)
 
 	return tsf;
 }
+EXPORT_SYMBOL(ath9k_hw_gettsf64);
 
 void ath9k_hw_settsf64(struct ath_hw *ah, u64 tsf64)
 {
 	REG_WRITE(ah, AR_TSF_L32, tsf64 & 0xffffffff);
 	REG_WRITE(ah, AR_TSF_U32, (tsf64 >> 32) & 0xffffffff);
 }
+EXPORT_SYMBOL(ath9k_hw_settsf64);
 
 void ath9k_hw_reset_tsf(struct ath_hw *ah)
 {
@@ -4055,6 +4107,7 @@ void ath9k_hw_reset_tsf(struct ath_hw *ah)
 
 	REG_WRITE(ah, AR_RESET_TSF, AR_RESET_TSF_ONCE);
 }
+EXPORT_SYMBOL(ath9k_hw_reset_tsf);
 
 void ath9k_hw_set_tsfadjust(struct ath_hw *ah, u32 setting)
 {
@@ -4063,6 +4116,7 @@ void ath9k_hw_set_tsfadjust(struct ath_hw *ah, u32 setting)
 	else
 		ah->misc_mode &= ~AR_PCU_TX_ADD_TSF;
 }
+EXPORT_SYMBOL(ath9k_hw_set_tsfadjust);
 
 bool ath9k_hw_setslottime(struct ath_hw *ah, u32 us)
 {
@@ -4077,6 +4131,7 @@ bool ath9k_hw_setslottime(struct ath_hw *ah, u32 us)
 		return true;
 	}
 }
+EXPORT_SYMBOL(ath9k_hw_setslottime);
 
 void ath9k_hw_set11nmac2040(struct ath_hw *ah)
 {
@@ -4140,6 +4195,7 @@ u32 ath9k_hw_gettsf32(struct ath_hw *ah)
 {
 	return REG_READ(ah, AR_TSF_L32);
 }
+EXPORT_SYMBOL(ath9k_hw_gettsf32);
 
 struct ath_gen_timer *ath_gen_timer_alloc(struct ath_hw *ah,
 					  void (*trigger)(void *),
@@ -4168,6 +4224,7 @@ struct ath_gen_timer *ath_gen_timer_alloc(struct ath_hw *ah,
 
 	return timer;
 }
+EXPORT_SYMBOL(ath_gen_timer_alloc);
 
 void ath9k_hw_gen_timer_start(struct ath_hw *ah,
 			      struct ath_gen_timer *timer,
@@ -4209,6 +4266,7 @@ void ath9k_hw_gen_timer_start(struct ath_hw *ah,
 		(SM(AR_GENTMR_BIT(timer->index), AR_IMR_S5_GENTIMER_THRESH) |
 		SM(AR_GENTMR_BIT(timer->index), AR_IMR_S5_GENTIMER_TRIG)));
 }
+EXPORT_SYMBOL(ath9k_hw_gen_timer_start);
 
 void ath9k_hw_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer)
 {
@@ -4230,6 +4288,7 @@ void ath9k_hw_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer)
 
 	clear_bit(timer->index, &timer_table->timer_mask.timer_bits);
 }
+EXPORT_SYMBOL(ath9k_hw_gen_timer_stop);
 
 void ath_gen_timer_free(struct ath_hw *ah, struct ath_gen_timer *timer)
 {
@@ -4239,6 +4298,7 @@ void ath_gen_timer_free(struct ath_hw *ah, struct ath_gen_timer *timer)
 	timer_table->timers[timer->index] = NULL;
 	kfree(timer);
 }
+EXPORT_SYMBOL(ath_gen_timer_free);
 
 /*
  * Generic Timer Interrupts handling
@@ -4276,3 +4336,4 @@ void ath_gen_timer_isr(struct ath_hw *ah)
 		timer->trigger(timer->arg);
 	}
 }
+EXPORT_SYMBOL(ath_gen_timer_isr);
diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c
index 3be658d42a5..e2c1ba3ea48 100644
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -39,11 +39,13 @@ u32 ath9k_hw_gettxbuf(struct ath_hw *ah, u32 q)
 {
 	return REG_READ(ah, AR_QTXDP(q));
 }
+EXPORT_SYMBOL(ath9k_hw_gettxbuf);
 
 void ath9k_hw_puttxbuf(struct ath_hw *ah, u32 q, u32 txdp)
 {
 	REG_WRITE(ah, AR_QTXDP(q), txdp);
 }
+EXPORT_SYMBOL(ath9k_hw_puttxbuf);
 
 void ath9k_hw_txstart(struct ath_hw *ah, u32 q)
 {
@@ -51,6 +53,7 @@ void ath9k_hw_txstart(struct ath_hw *ah, u32 q)
 		  "Enable TXE on queue: %u\n", q);
 	REG_WRITE(ah, AR_Q_TXE, 1 << q);
 }
+EXPORT_SYMBOL(ath9k_hw_txstart);
 
 u32 ath9k_hw_numtxpending(struct ath_hw *ah, u32 q)
 {
@@ -65,6 +68,7 @@ u32 ath9k_hw_numtxpending(struct ath_hw *ah, u32 q)
 
 	return npend;
 }
+EXPORT_SYMBOL(ath9k_hw_numtxpending);
 
 bool ath9k_hw_updatetxtriglevel(struct ath_hw *ah, bool bIncTrigLevel)
 {
@@ -94,6 +98,7 @@ bool ath9k_hw_updatetxtriglevel(struct ath_hw *ah, bool bIncTrigLevel)
 
 	return newLevel != curLevel;
 }
+EXPORT_SYMBOL(ath9k_hw_updatetxtriglevel);
 
 bool ath9k_hw_stoptxdma(struct ath_hw *ah, u32 q)
 {
@@ -173,6 +178,7 @@ bool ath9k_hw_stoptxdma(struct ath_hw *ah, u32 q)
 #undef ATH9K_TX_STOP_DMA_TIMEOUT
 #undef ATH9K_TIME_QUANTUM
 }
+EXPORT_SYMBOL(ath9k_hw_stoptxdma);
 
 void ath9k_hw_filltxdesc(struct ath_hw *ah, struct ath_desc *ds,
 			 u32 segLen, bool firstSeg,
@@ -199,6 +205,7 @@ void ath9k_hw_filltxdesc(struct ath_hw *ah, struct ath_desc *ds,
 	ads->ds_txstatus6 = ads->ds_txstatus7 = 0;
 	ads->ds_txstatus8 = ads->ds_txstatus9 = 0;
 }
+EXPORT_SYMBOL(ath9k_hw_filltxdesc);
 
 void ath9k_hw_cleartxdesc(struct ath_hw *ah, struct ath_desc *ds)
 {
@@ -210,6 +217,7 @@ void ath9k_hw_cleartxdesc(struct ath_hw *ah, struct ath_desc *ds)
 	ads->ds_txstatus6 = ads->ds_txstatus7 = 0;
 	ads->ds_txstatus8 = ads->ds_txstatus9 = 0;
 }
+EXPORT_SYMBOL(ath9k_hw_cleartxdesc);
 
 int ath9k_hw_txprocdesc(struct ath_hw *ah, struct ath_desc *ds)
 {
@@ -285,6 +293,7 @@ int ath9k_hw_txprocdesc(struct ath_hw *ah, struct ath_desc *ds)
 
 	return 0;
 }
+EXPORT_SYMBOL(ath9k_hw_txprocdesc);
 
 void ath9k_hw_set11n_txdesc(struct ath_hw *ah, struct ath_desc *ds,
 			    u32 pktLen, enum ath9k_pkt_type type, u32 txPower,
@@ -320,6 +329,7 @@ void ath9k_hw_set11n_txdesc(struct ath_hw *ah, struct ath_desc *ds,
 		ads->ds_ctl11 = 0;
 	}
 }
+EXPORT_SYMBOL(ath9k_hw_set11n_txdesc);
 
 void ath9k_hw_set11n_ratescenario(struct ath_hw *ah, struct ath_desc *ds,
 				  struct ath_desc *lastds,
@@ -375,6 +385,7 @@ void ath9k_hw_set11n_ratescenario(struct ath_hw *ah, struct ath_desc *ds,
 	last_ads->ds_ctl2 = ads->ds_ctl2;
 	last_ads->ds_ctl3 = ads->ds_ctl3;
 }
+EXPORT_SYMBOL(ath9k_hw_set11n_ratescenario);
 
 void ath9k_hw_set11n_aggr_first(struct ath_hw *ah, struct ath_desc *ds,
 				u32 aggrLen)
@@ -385,6 +396,7 @@ void ath9k_hw_set11n_aggr_first(struct ath_hw *ah, struct ath_desc *ds,
 	ads->ds_ctl6 &= ~AR_AggrLen;
 	ads->ds_ctl6 |= SM(aggrLen, AR_AggrLen);
 }
+EXPORT_SYMBOL(ath9k_hw_set11n_aggr_first);
 
 void ath9k_hw_set11n_aggr_middle(struct ath_hw *ah, struct ath_desc *ds,
 				 u32 numDelims)
@@ -399,6 +411,7 @@ void ath9k_hw_set11n_aggr_middle(struct ath_hw *ah, struct ath_desc *ds,
 	ctl6 |= SM(numDelims, AR_PadDelim);
 	ads->ds_ctl6 = ctl6;
 }
+EXPORT_SYMBOL(ath9k_hw_set11n_aggr_middle);
 
 void ath9k_hw_set11n_aggr_last(struct ath_hw *ah, struct ath_desc *ds)
 {
@@ -408,6 +421,7 @@ void ath9k_hw_set11n_aggr_last(struct ath_hw *ah, struct ath_desc *ds)
 	ads->ds_ctl1 &= ~AR_MoreAggr;
 	ads->ds_ctl6 &= ~AR_PadDelim;
 }
+EXPORT_SYMBOL(ath9k_hw_set11n_aggr_last);
 
 void ath9k_hw_clr11n_aggr(struct ath_hw *ah, struct ath_desc *ds)
 {
@@ -415,6 +429,7 @@ void ath9k_hw_clr11n_aggr(struct ath_hw *ah, struct ath_desc *ds)
 
 	ads->ds_ctl1 &= (~AR_IsAggr & ~AR_MoreAggr);
 }
+EXPORT_SYMBOL(ath9k_hw_clr11n_aggr);
 
 void ath9k_hw_set11n_burstduration(struct ath_hw *ah, struct ath_desc *ds,
 				   u32 burstDuration)
@@ -424,6 +439,7 @@ void ath9k_hw_set11n_burstduration(struct ath_hw *ah, struct ath_desc *ds,
 	ads->ds_ctl2 &= ~AR_BurstDur;
 	ads->ds_ctl2 |= SM(burstDuration, AR_BurstDur);
 }
+EXPORT_SYMBOL(ath9k_hw_set11n_burstduration);
 
 void ath9k_hw_set11n_virtualmorefrag(struct ath_hw *ah, struct ath_desc *ds,
 				     u32 vmf)
@@ -441,6 +457,7 @@ void ath9k_hw_gettxintrtxqs(struct ath_hw *ah, u32 *txqs)
 	*txqs &= ah->intr_txqs;
 	ah->intr_txqs &= ~(*txqs);
 }
+EXPORT_SYMBOL(ath9k_hw_gettxintrtxqs);
 
 bool ath9k_hw_set_txq_props(struct ath_hw *ah, int q,
 			    const struct ath9k_tx_queue_info *qinfo)
@@ -512,6 +529,7 @@ bool ath9k_hw_set_txq_props(struct ath_hw *ah, int q,
 
 	return true;
 }
+EXPORT_SYMBOL(ath9k_hw_set_txq_props);
 
 bool ath9k_hw_get_txq_props(struct ath_hw *ah, int q,
 			    struct ath9k_tx_queue_info *qinfo)
@@ -550,6 +568,7 @@ bool ath9k_hw_get_txq_props(struct ath_hw *ah, int q,
 
 	return true;
 }
+EXPORT_SYMBOL(ath9k_hw_get_txq_props);
 
 int ath9k_hw_setuptxqueue(struct ath_hw *ah, enum ath9k_tx_queue type,
 			  const struct ath9k_tx_queue_info *qinfo)
@@ -617,6 +636,7 @@ int ath9k_hw_setuptxqueue(struct ath_hw *ah, enum ath9k_tx_queue type,
 
 	return q;
 }
+EXPORT_SYMBOL(ath9k_hw_setuptxqueue);
 
 bool ath9k_hw_releasetxqueue(struct ath_hw *ah, u32 q)
 {
@@ -648,6 +668,7 @@ bool ath9k_hw_releasetxqueue(struct ath_hw *ah, u32 q)
 
 	return true;
 }
+EXPORT_SYMBOL(ath9k_hw_releasetxqueue);
 
 bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q)
 {
@@ -805,6 +826,7 @@ bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q)
 
 	return true;
 }
+EXPORT_SYMBOL(ath9k_hw_resettxqueue);
 
 int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds,
 			u32 pa, struct ath_desc *nds, u64 tsf)
@@ -886,6 +908,7 @@ int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds,
 
 	return 0;
 }
+EXPORT_SYMBOL(ath9k_hw_rxprocdesc);
 
 void ath9k_hw_setuprxdesc(struct ath_hw *ah, struct ath_desc *ds,
 			  u32 size, u32 flags)
@@ -901,6 +924,7 @@ void ath9k_hw_setuprxdesc(struct ath_hw *ah, struct ath_desc *ds,
 	if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
 		memset(&(ads->u), 0, sizeof(ads->u));
 }
+EXPORT_SYMBOL(ath9k_hw_setuprxdesc);
 
 bool ath9k_hw_setrxabort(struct ath_hw *ah, bool set)
 {
@@ -930,16 +954,19 @@ bool ath9k_hw_setrxabort(struct ath_hw *ah, bool set)
 
 	return true;
 }
+EXPORT_SYMBOL(ath9k_hw_setrxabort);
 
 void ath9k_hw_putrxbuf(struct ath_hw *ah, u32 rxdp)
 {
 	REG_WRITE(ah, AR_RXDP, rxdp);
 }
+EXPORT_SYMBOL(ath9k_hw_putrxbuf);
 
 void ath9k_hw_rxena(struct ath_hw *ah)
 {
 	REG_WRITE(ah, AR_CR, AR_CR_RXE);
 }
+EXPORT_SYMBOL(ath9k_hw_rxena);
 
 void ath9k_hw_startpcureceive(struct ath_hw *ah)
 {
@@ -949,6 +976,7 @@ void ath9k_hw_startpcureceive(struct ath_hw *ah)
 
 	REG_CLR_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
 }
+EXPORT_SYMBOL(ath9k_hw_startpcureceive);
 
 void ath9k_hw_stoppcurecv(struct ath_hw *ah)
 {
@@ -956,6 +984,7 @@ void ath9k_hw_stoppcurecv(struct ath_hw *ah)
 
 	ath9k_hw_disable_mib_counters(ah);
 }
+EXPORT_SYMBOL(ath9k_hw_stoppcurecv);
 
 bool ath9k_hw_stopdmarecv(struct ath_hw *ah)
 {
@@ -988,3 +1017,4 @@ bool ath9k_hw_stopdmarecv(struct ath_hw *ah)
 #undef AH_RX_TIME_QUANTUM
 #undef AH_RX_STOP_DMA_TIMEOUT
 }
+EXPORT_SYMBOL(ath9k_hw_stopdmarecv);
-- 
GitLab


From 3ca340381a1da26906dc766a1e4f8a5d0a613189 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 23 Sep 2009 23:07:01 -0400
Subject: [PATCH 0144/1815] ath9k_hw: print device ID if not supported

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 7d167a1b286..7bf0f8c42e6 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -900,8 +900,12 @@ int ath9k_hw_init(struct ath_hw *ah)
 	struct ath_common *common = ath9k_hw_common(ah);
 	int r = 0;
 
-	if (!ath9k_hw_devid_supported(ah->hw_version.devid))
+	if (!ath9k_hw_devid_supported(ah->hw_version.devid)) {
+		ath_print(common, ATH_DBG_FATAL,
+			  "Unsupported device ID: 0x%0x\n",
+			  ah->hw_version.devid);
 		return -EOPNOTSUPP;
+	}
 
 	ath9k_hw_init_defaults(ah);
 	ath9k_hw_init_config(ah);
-- 
GitLab


From 7976b4263cb05dc638297d35f2a42375090ebaff Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 23 Sep 2009 23:07:02 -0400
Subject: [PATCH 0145/1815] ath9k_hw: add AR9271 srev and device ID to allow hw
 to support ar9271

This allows for hw support to be enabled for ar9271.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.c | 4 ++--
 drivers/net/wireless/ath/ath9k/hw.h | 5 +++++
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 7bf0f8c42e6..692fd1dd909 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -609,6 +609,7 @@ static bool ath9k_hw_devid_supported(u16 devid)
 	case AR9285_DEVID_PCIE:
 	case AR5416_DEVID_AR9287_PCI:
 	case AR5416_DEVID_AR9287_PCIE:
+	case AR9271_USB:
 		return true;
 	default:
 		break;
@@ -626,9 +627,8 @@ static bool ath9k_hw_macversion_supported(u32 macversion)
 	case AR_SREV_VERSION_9280:
 	case AR_SREV_VERSION_9285:
 	case AR_SREV_VERSION_9287:
-		return true;
-	/* Not yet */
 	case AR_SREV_VERSION_9271:
+		return true;
 	default:
 		break;
 	}
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 773f5c405c0..f782c1a06b3 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -33,13 +33,18 @@
 #include "../debug.h"
 
 #define ATHEROS_VENDOR_ID	0x168c
+
 #define AR5416_DEVID_PCI	0x0023
 #define AR5416_DEVID_PCIE	0x0024
 #define AR9160_DEVID_PCI	0x0027
 #define AR9280_DEVID_PCI	0x0029
 #define AR9280_DEVID_PCIE	0x002a
 #define AR9285_DEVID_PCIE	0x002b
+
 #define AR5416_AR9100_DEVID	0x000b
+
+#define AR9271_USB             0x9271
+
 #define	AR_SUBVENDOR_ID_NOG	0x0e11
 #define AR_SUBVENDOR_ID_NEW_A	0x7065
 #define AR5416_MAGIC		0x19641014
-- 
GitLab


From 7c89606e24cdabaceb8ca9b3c7ab866c6bcc9e38 Mon Sep 17 00:00:00 2001
From: Holger Schurig <hs4233@mail.mn-solutions.de>
Date: Thu, 24 Sep 2009 12:21:01 +0200
Subject: [PATCH 0146/1815] nl80211: report age of scan results

Linux keeps scan results up to 15 seconds. This can be a problem for fast
moving clients: they get back stale data. But if the kernel reports the age
of the BSS items, then user-space can simply weed out old entries by itself.

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 include/linux/nl80211.h | 2 ++
 net/wireless/nl80211.c  | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index a8d71ed43a0..50afca3dcff 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -1277,6 +1277,7 @@ enum nl80211_channel_type {
  * @NL80211_BSS_SIGNAL_UNSPEC: signal strength of the probe response/beacon
  *	in unspecified units, scaled to 0..100 (u8)
  * @NL80211_BSS_STATUS: status, if this BSS is "used"
+ * @NL80211_BSS_SEEN_MS_AGO: age of this BSS entry in ms
  * @__NL80211_BSS_AFTER_LAST: internal
  * @NL80211_BSS_MAX: highest BSS attribute
  */
@@ -1291,6 +1292,7 @@ enum nl80211_bss {
 	NL80211_BSS_SIGNAL_MBM,
 	NL80211_BSS_SIGNAL_UNSPEC,
 	NL80211_BSS_STATUS,
+	NL80211_BSS_SEEN_MS_AGO,
 
 	/* keep last */
 	__NL80211_BSS_AFTER_LAST,
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index eddab097435..e0ecc9f153d 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -3105,6 +3105,8 @@ static int nl80211_send_bss(struct sk_buff *msg, u32 pid, u32 seq, int flags,
 		NLA_PUT_U16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval);
 	NLA_PUT_U16(msg, NL80211_BSS_CAPABILITY, res->capability);
 	NLA_PUT_U32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq);
+	NLA_PUT_U32(msg, NL80211_BSS_SEEN_MS_AGO,
+		jiffies_to_msecs(jiffies - intbss->ts));
 
 	switch (rdev->wiphy.signal_type) {
 	case CFG80211_SIGNAL_TYPE_MBM:
-- 
GitLab


From bc974f4a230756faf4f69114f271de2e678b363b Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Mon, 28 Sep 2009 02:54:40 -0400
Subject: [PATCH 0147/1815] atheros: define a common priv struct

hw code should never use private driver data, but
sometimes we need a backpointer so just stuff it on
the common ath struct.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath.h         |  1 +
 drivers/net/wireless/ath/ath9k/debug.c |  7 ++---
 drivers/net/wireless/ath/ath9k/hw.h    |  1 -
 drivers/net/wireless/ath/ath9k/main.c  | 37 ++++++++++++++++----------
 drivers/net/wireless/ath/ath9k/pci.c   |  9 +++----
 5 files changed, 31 insertions(+), 24 deletions(-)

diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h
index e0341fefc92..b6cd752df83 100644
--- a/drivers/net/wireless/ath/ath.h
+++ b/drivers/net/wireless/ath/ath.h
@@ -56,6 +56,7 @@ struct ath_bus_ops {
 
 struct ath_common {
 	void *ah;
+	void *priv;
 	struct ieee80211_hw *hw;
 	int debug_mask;
 
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 352914cae6d..25ae88ebdfa 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -562,8 +562,8 @@ static const struct file_operations fops_xmit = {
 
 int ath9k_init_debug(struct ath_hw *ah)
 {
-	struct ath_softc *sc = ah->ah_sc;
-	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+	struct ath_common *common = ath9k_hw_common(ah);
+	struct ath_softc *sc = (struct ath_softc *) common->priv;
 
 	common->debug_mask = ath9k_debug;
 
@@ -620,7 +620,8 @@ err:
 
 void ath9k_exit_debug(struct ath_hw *ah)
 {
-	struct ath_softc *sc = ah->ah_sc;
+	struct ath_common *common = ath9k_hw_common(ah);
+	struct ath_softc *sc = (struct ath_softc *) common->priv;
 
 	debugfs_remove(sc->debug.debugfs_xmit);
 	debugfs_remove(sc->debug.debugfs_wiphy);
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index f782c1a06b3..cdaec526db3 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -450,7 +450,6 @@ struct ath_gen_timer_table {
 
 struct ath_hw {
 	struct ieee80211_hw *hw;
-	struct ath_softc *ah_sc;
 	struct ath_common common;
 	struct ath9k_hw_version hw_version;
 	struct ath9k_ops_config config;
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 2278dcbeee1..86374ad9313 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1438,17 +1438,22 @@ static void ath9k_gen_timer_start(struct ath_hw *ah,
 				  u32 timer_next,
 				  u32 timer_period)
 {
+	struct ath_common *common = ath9k_hw_common(ah);
+	struct ath_softc *sc = (struct ath_softc *) common->priv;
+
 	ath9k_hw_gen_timer_start(ah, timer, timer_next, timer_period);
 
-	if ((ah->ah_sc->imask & ATH9K_INT_GENTIMER) == 0) {
+	if ((sc->imask & ATH9K_INT_GENTIMER) == 0) {
 		ath9k_hw_set_interrupts(ah, 0);
-		ah->ah_sc->imask |= ATH9K_INT_GENTIMER;
-		ath9k_hw_set_interrupts(ah, ah->ah_sc->imask);
+		sc->imask |= ATH9K_INT_GENTIMER;
+		ath9k_hw_set_interrupts(ah, sc->imask);
 	}
 }
 
 static void ath9k_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer)
 {
+	struct ath_common *common = ath9k_hw_common(ah);
+	struct ath_softc *sc = (struct ath_softc *) common->priv;
 	struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers;
 
 	ath9k_hw_gen_timer_stop(ah, timer);
@@ -1456,8 +1461,8 @@ static void ath9k_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer)
 	/* if no timer is enabled, turn off interrupt mask */
 	if (timer_table->timer_mask.val == 0) {
 		ath9k_hw_set_interrupts(ah, 0);
-		ah->ah_sc->imask &= ~ATH9K_INT_GENTIMER;
-		ath9k_hw_set_interrupts(ah, ah->ah_sc->imask);
+		sc->imask &= ~ATH9K_INT_GENTIMER;
+		ath9k_hw_set_interrupts(ah, sc->imask);
 	}
 }
 
@@ -1554,28 +1559,32 @@ static int ath_init_btcoex_timer(struct ath_softc *sc)
 static void ath9k_iowrite32(void *hw_priv, u32 val, u32 reg_offset)
 {
 	struct ath_hw *ah = (struct ath_hw *) hw_priv;
+	struct ath_common *common = ath9k_hw_common(ah);
+	struct ath_softc *sc = (struct ath_softc *) common->priv;
 
 	if (ah->config.serialize_regmode == SER_REG_MODE_ON) {
 		unsigned long flags;
-		spin_lock_irqsave(&ah->ah_sc->sc_serial_rw, flags);
-		iowrite32(val, ah->ah_sc->mem + reg_offset);
-		spin_unlock_irqrestore(&ah->ah_sc->sc_serial_rw, flags);
+		spin_lock_irqsave(&sc->sc_serial_rw, flags);
+		iowrite32(val, sc->mem + reg_offset);
+		spin_unlock_irqrestore(&sc->sc_serial_rw, flags);
 	} else
-		iowrite32(val, ah->ah_sc->mem + reg_offset);
+		iowrite32(val, sc->mem + reg_offset);
 }
 
 static unsigned int ath9k_ioread32(void *hw_priv, u32 reg_offset)
 {
 	struct ath_hw *ah = (struct ath_hw *) hw_priv;
+	struct ath_common *common = ath9k_hw_common(ah);
+	struct ath_softc *sc = (struct ath_softc *) common->priv;
 	u32 val;
 
 	if (ah->config.serialize_regmode == SER_REG_MODE_ON) {
 		unsigned long flags;
-		spin_lock_irqsave(&ah->ah_sc->sc_serial_rw, flags);
-		val = ioread32(ah->ah_sc->mem + reg_offset);
-		spin_unlock_irqrestore(&ah->ah_sc->sc_serial_rw, flags);
+		spin_lock_irqsave(&sc->sc_serial_rw, flags);
+		val = ioread32(sc->mem + reg_offset);
+		spin_unlock_irqrestore(&sc->sc_serial_rw, flags);
 	} else
-		val = ioread32(ah->ah_sc->mem + reg_offset);
+		val = ioread32(sc->mem + reg_offset);
 	return val;
 }
 
@@ -1618,7 +1627,6 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
 		goto bad_no_ah;
 	}
 
-	ah->ah_sc = sc;
 	ah->hw_version.devid = devid;
 	ah->hw_version.subsysid = subsysid;
 	sc->sc_ah = ah;
@@ -1628,6 +1636,7 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
 	common->bus_ops = bus_ops;
 	common->ah = ah;
 	common->hw = sc->hw;
+	common->priv = sc;
 
 	/*
 	 * Cache line size is used to size and align various
diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
index b2a45ce6269..63059b6a90d 100644
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -33,8 +33,7 @@ static struct pci_device_id ath_pci_id_table[] __devinitdata = {
 /* return bus cachesize in 4B word units */
 static void ath_pci_read_cachesize(struct ath_common *common, int *csz)
 {
-	struct ath_hw *ah = (struct ath_hw *) common->ah;
-	struct ath_softc *sc = ah->ah_sc;
+	struct ath_softc *sc = (struct ath_softc *) common->priv;
 	u8 u8tmp;
 
 	pci_read_config_byte(to_pci_dev(sc->dev), PCI_CACHE_LINE_SIZE, &u8tmp);
@@ -52,8 +51,7 @@ static void ath_pci_read_cachesize(struct ath_common *common, int *csz)
 
 static void ath_pci_cleanup(struct ath_common *common)
 {
-	struct ath_hw *ah = (struct ath_hw *) common->ah;
-	struct ath_softc *sc = ah->ah_sc;
+	struct ath_softc *sc = (struct ath_softc *) common->priv;
 	struct pci_dev *pdev = to_pci_dev(sc->dev);
 
 	pci_iounmap(pdev, sc->mem);
@@ -86,8 +84,7 @@ static bool ath_pci_eeprom_read(struct ath_common *common, u32 off, u16 *data)
  */
 static void ath_pci_bt_coex_prep(struct ath_common *common)
 {
-	struct ath_hw *ah = (struct ath_hw *) common->ah;
-	struct ath_softc *sc = ah->ah_sc;
+	struct ath_softc *sc = (struct ath_softc *) common->priv;
 	struct pci_dev *pdev = to_pci_dev(sc->dev);
 	u8 aspm;
 
-- 
GitLab


From 3d23e349d807177eaf519d444677cee86b1a04cf Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Tue, 29 Sep 2009 23:27:28 +0200
Subject: [PATCH 0148/1815] wext: refactor

Refactor wext to
 * split out iwpriv handling
 * split out iwspy handling
 * split out procfs support
 * allow cfg80211 to have wireless extensions compat code
   w/o CONFIG_WIRELESS_EXT

After this, drivers need to
 - select WIRELESS_EXT	- for wext support
 - select WEXT_PRIV	- for iwpriv support
 - select WEXT_SPY	- for iwspy support

except cfg80211 -- which gets new hooks in wext-core.c
and can then get wext handlers without CONFIG_WIRELESS_EXT.

Wireless extensions procfs support is auto-selected
based on PROC_FS and anything that requires the wext core
(i.e. WIRELESS_EXT or CFG80211_WEXT).

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/Kconfig         |   29 +-
 drivers/net/wireless/hostap/Kconfig  |    2 +
 drivers/net/wireless/ipw2x00/Kconfig |    5 +
 drivers/net/wireless/orinoco/Kconfig |    2 +
 include/net/cfg80211.h               |    6 +-
 include/net/iw_handler.h             |   14 +-
 include/net/net_namespace.h          |    2 +-
 include/net/wext.h                   |   49 +-
 net/core/net-sysfs.c                 |    6 +-
 net/socket.c                         |    4 +-
 net/wireless/Kconfig                 |   50 +-
 net/wireless/Makefile                |    8 +-
 net/wireless/core.c                  |   14 +-
 net/wireless/ibss.c                  |   10 +-
 net/wireless/mlme.c                  |    2 +-
 net/wireless/nl80211.c               |    4 +-
 net/wireless/scan.c                  |    6 +-
 net/wireless/sme.c                   |   12 +-
 net/wireless/{wext.c => wext-core.c} | 1534 +++++++-------------------
 net/wireless/wext-priv.c             |  248 +++++
 net/wireless/wext-proc.c             |  155 +++
 net/wireless/wext-spy.c              |  231 ++++
 22 files changed, 1198 insertions(+), 1195 deletions(-)
 rename net/wireless/{wext.c => wext-core.c} (53%)
 create mode 100644 net/wireless/wext-priv.c
 create mode 100644 net/wireless/wext-proc.c
 create mode 100644 net/wireless/wext-spy.c

diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig
index d7a764a2fc1..c9829c59fd9 100644
--- a/drivers/net/wireless/Kconfig
+++ b/drivers/net/wireless/Kconfig
@@ -67,6 +67,8 @@ config WAVELAN
 	tristate "AT&T/Lucent old WaveLAN & DEC RoamAbout DS ISA support"
 	depends on ISA && WLAN_PRE80211
 	select WIRELESS_EXT
+	select WEXT_SPY
+	select WEXT_PRIV
 	---help---
 	  The Lucent WaveLAN (formerly NCR and AT&T; or DEC RoamAbout DS) is
 	  a Radio LAN (wireless Ethernet-like Local Area Network) using the
@@ -90,6 +92,8 @@ config PCMCIA_WAVELAN
 	tristate "AT&T/Lucent old WaveLAN Pcmcia wireless support"
 	depends on PCMCIA && WLAN_PRE80211
 	select WIRELESS_EXT
+	select WEXT_SPY
+	select WEXT_PRIV
 	help
 	  Say Y here if you intend to attach an AT&T/Lucent Wavelan PCMCIA
 	  (PC-card) wireless Ethernet networking card to your computer.  This
@@ -102,6 +106,7 @@ config PCMCIA_NETWAVE
 	tristate "Xircom Netwave AirSurfer Pcmcia wireless support"
 	depends on PCMCIA && WLAN_PRE80211
 	select WIRELESS_EXT
+	select WEXT_PRIV
 	help
 	  Say Y here if you intend to attach this type of PCMCIA (PC-card)
 	  wireless Ethernet networking card to your computer.
@@ -123,6 +128,8 @@ config PCMCIA_RAYCS
 	tristate "Aviator/Raytheon 2.4GHz wireless support"
 	depends on PCMCIA && WLAN_80211
 	select WIRELESS_EXT
+	select WEXT_SPY
+	select WEXT_PRIV
 	---help---
 	  Say Y here if you intend to attach an Aviator/Raytheon PCMCIA
 	  (PC-card) wireless Ethernet networking card to your computer.
@@ -136,6 +143,7 @@ config LIBERTAS
 	tristate "Marvell 8xxx Libertas WLAN driver support"
 	depends on WLAN_80211
 	select WIRELESS_EXT
+	select WEXT_SPY
 	select LIB80211
 	select FW_LOADER
 	---help---
@@ -190,6 +198,8 @@ config AIRO
 	depends on ISA_DMA_API && WLAN_80211 && (PCI || BROKEN)
 	select WIRELESS_EXT
 	select CRYPTO
+	select WEXT_SPY
+	select WEXT_PRIV
 	---help---
 	  This is the standard Linux driver to support Cisco/Aironet ISA and
 	  PCI 802.11 wireless cards.
@@ -207,6 +217,7 @@ config ATMEL
       tristate "Atmel at76c50x chipset  802.11b support"
       depends on (PCI || PCMCIA) && WLAN_80211
       select WIRELESS_EXT
+      select WEXT_PRIV
       select FW_LOADER
       select CRC32
        ---help---
@@ -266,18 +277,21 @@ config AIRO_CS
 	  Cisco Linux utilities can be used to configure the card.
 
 config PCMCIA_WL3501
-      tristate "Planet WL3501 PCMCIA cards"
-      depends on EXPERIMENTAL && PCMCIA && WLAN_80211
-      select WIRELESS_EXT
-       ---help---
-         A driver for WL3501 PCMCIA 802.11 wireless cards made by Planet.
-	 It has basic support for Linux wireless extensions and initial
-	 micro support for ethtool.
+	tristate "Planet WL3501 PCMCIA cards"
+	depends on EXPERIMENTAL && PCMCIA && WLAN_80211
+	select WIRELESS_EXT
+	select WEXT_SPY
+	help
+	  A driver for WL3501 PCMCIA 802.11 wireless cards made by Planet.
+	  It has basic support for Linux wireless extensions and initial
+	  micro support for ethtool.
 
 config PRISM54
 	tristate 'Intersil Prism GT/Duette/Indigo PCI/Cardbus (DEPRECATED)'
 	depends on PCI && EXPERIMENTAL && WLAN_80211
 	select WIRELESS_EXT
+	select WEXT_SPY
+	select WEXT_PRIV
 	select FW_LOADER
 	---help---
 	  This enables support for FullMAC PCI/Cardbus prism54 devices. This
@@ -300,6 +314,7 @@ config USB_ZD1201
 	tristate "USB ZD1201 based Wireless device support"
 	depends on USB && WLAN_80211
 	select WIRELESS_EXT
+	select WEXT_PRIV
 	select FW_LOADER
 	---help---
 	  Say Y if you want to use wireless LAN adapters based on the ZyDAS
diff --git a/drivers/net/wireless/hostap/Kconfig b/drivers/net/wireless/hostap/Kconfig
index c15db229351..08f1e989653 100644
--- a/drivers/net/wireless/hostap/Kconfig
+++ b/drivers/net/wireless/hostap/Kconfig
@@ -2,6 +2,8 @@ config HOSTAP
 	tristate "IEEE 802.11 for Host AP (Prism2/2.5/3 and WEP/TKIP/CCMP)"
 	depends on WLAN_80211
 	select WIRELESS_EXT
+	select WEXT_SPY
+	select WEXT_PRIV
 	select CRYPTO
 	select CRYPTO_ARC4
 	select CRYPTO_ECB
diff --git a/drivers/net/wireless/ipw2x00/Kconfig b/drivers/net/wireless/ipw2x00/Kconfig
index a8131384c6b..56fab79dc36 100644
--- a/drivers/net/wireless/ipw2x00/Kconfig
+++ b/drivers/net/wireless/ipw2x00/Kconfig
@@ -6,6 +6,8 @@ config IPW2100
 	tristate "Intel PRO/Wireless 2100 Network Connection"
 	depends on PCI && WLAN_80211 && CFG80211
 	select WIRELESS_EXT
+	select WEXT_SPY
+	select WEXT_PRIV
 	select FW_LOADER
 	select LIB80211
 	select LIBIPW
@@ -65,6 +67,8 @@ config IPW2200
 	tristate "Intel PRO/Wireless 2200BG and 2915ABG Network Connection"
 	depends on PCI && WLAN_80211 && CFG80211
 	select WIRELESS_EXT
+	select WEXT_SPY
+	select WEXT_PRIV
 	select FW_LOADER
 	select LIB80211
 	select LIBIPW
@@ -152,6 +156,7 @@ config LIBIPW
 	tristate
 	depends on PCI && WLAN_80211 && CFG80211
 	select WIRELESS_EXT
+	select WEXT_SPY
 	select CRYPTO
 	select CRYPTO_ARC4
 	select CRYPTO_ECB
diff --git a/drivers/net/wireless/orinoco/Kconfig b/drivers/net/wireless/orinoco/Kconfig
index 83b635fd778..13b03b3e8fc 100644
--- a/drivers/net/wireless/orinoco/Kconfig
+++ b/drivers/net/wireless/orinoco/Kconfig
@@ -3,6 +3,8 @@ config HERMES
 	depends on (PPC_PMAC || PCI || PCMCIA) && WLAN_80211
 	depends on CFG80211
 	select WIRELESS_EXT
+	select WEXT_SPY
+	select WEXT_PRIV
 	select FW_LOADER
 	select CRYPTO
 	select CRYPTO_MICHAEL_MIC
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 3d874c62021..241ea14d6df 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1171,6 +1171,10 @@ struct wiphy {
 	struct net *_net;
 #endif
 
+#ifdef CONFIG_CFG80211_WEXT
+	const struct iw_handler_def *wext;
+#endif
+
 	char priv[0] __attribute__((__aligned__(NETDEV_ALIGN)));
 };
 
@@ -1345,7 +1349,7 @@ struct wireless_dev {
 	struct cfg80211_internal_bss *auth_bsses[MAX_AUTH_BSSES];
 	struct cfg80211_internal_bss *current_bss; /* associated / joined */
 
-#ifdef CONFIG_WIRELESS_EXT
+#ifdef CONFIG_CFG80211_WEXT
 	/* wext data */
 	struct {
 		struct cfg80211_ibss_params ibss;
diff --git a/include/net/iw_handler.h b/include/net/iw_handler.h
index e9054a283fd..d5d337170a5 100644
--- a/include/net/iw_handler.h
+++ b/include/net/iw_handler.h
@@ -323,18 +323,19 @@ typedef int (*iw_handler)(struct net_device *dev, struct iw_request_info *info,
  */
 struct iw_handler_def
 {
-	/* Number of handlers defined (more precisely, index of the
-	 * last defined handler + 1) */
-	__u16			num_standard;
-	__u16			num_private;
-	/* Number of private arg description */
-	__u16			num_private_args;
 
 	/* Array of handlers for standard ioctls
 	 * We will call dev->wireless_handlers->standard[ioctl - SIOCSIWCOMMIT]
 	 */
 	const iw_handler *	standard;
+	/* Number of handlers defined (more precisely, index of the
+	 * last defined handler + 1) */
+	__u16			num_standard;
 
+#ifdef CONFIG_WEXT_PRIV
+	__u16			num_private;
+	/* Number of private arg description */
+	__u16			num_private_args;
 	/* Array of handlers for private ioctls
 	 * Will call dev->wireless_handlers->private[ioctl - SIOCIWFIRSTPRIV]
 	 */
@@ -344,6 +345,7 @@ struct iw_handler_def
 	 * can put it in any order you want and should not leave holes...
 	 * We will automatically export that to user space... */
 	const struct iw_priv_args *	private_args;
+#endif
 
 	/* New location of get_wireless_stats, to de-bloat struct net_device.
 	 * The old pointer in struct net_device will be gradually phased
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index a1202841aad..699410142bf 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -80,7 +80,7 @@ struct net {
 #ifdef CONFIG_XFRM
 	struct netns_xfrm	xfrm;
 #endif
-#ifdef CONFIG_WIRELESS_EXT
+#ifdef CONFIG_WEXT_CORE
 	struct sk_buff_head	wext_nlevents;
 #endif
 	struct net_generic	*gen;
diff --git a/include/net/wext.h b/include/net/wext.h
index 3f2b94de2cf..4f6e7423174 100644
--- a/include/net/wext.h
+++ b/include/net/wext.h
@@ -1,29 +1,19 @@
 #ifndef __NET_WEXT_H
 #define __NET_WEXT_H
 
-/*
- * wireless extensions interface to the core code
- */
+#include <net/iw_handler.h>
 
 struct net;
 
-#ifdef CONFIG_WIRELESS_EXT
-extern int wext_proc_init(struct net *net);
-extern void wext_proc_exit(struct net *net);
+#ifdef CONFIG_WEXT_CORE
 extern int wext_handle_ioctl(struct net *net, struct ifreq *ifr, unsigned int cmd,
 			     void __user *arg);
 extern int compat_wext_handle_ioctl(struct net *net, unsigned int cmd,
 				    unsigned long arg);
+
 extern struct iw_statistics *get_wireless_stats(struct net_device *dev);
+extern int call_commit_handler(struct net_device *dev);
 #else
-static inline int wext_proc_init(struct net *net)
-{
-	return 0;
-}
-static inline void wext_proc_exit(struct net *net)
-{
-	return;
-}
 static inline int wext_handle_ioctl(struct net *net, struct ifreq *ifr, unsigned int cmd,
 				    void __user *arg)
 {
@@ -36,4 +26,35 @@ static inline int compat_wext_handle_ioctl(struct net *net, unsigned int cmd,
 }
 #endif
 
+#ifdef CONFIG_WEXT_PROC
+extern int wext_proc_init(struct net *net);
+extern void wext_proc_exit(struct net *net);
+#else
+static inline int wext_proc_init(struct net *net)
+{
+	return 0;
+}
+static inline void wext_proc_exit(struct net *net)
+{
+	return;
+}
+#endif
+
+#ifdef CONFIG_WEXT_PRIV
+int ioctl_private_call(struct net_device *dev, struct iwreq *iwr,
+		       unsigned int cmd, struct iw_request_info *info,
+		       iw_handler handler);
+int compat_private_call(struct net_device *dev, struct iwreq *iwr,
+			unsigned int cmd, struct iw_request_info *info,
+			iw_handler handler);
+int iw_handler_get_private(struct net_device *		dev,
+			   struct iw_request_info *	info,
+			   union iwreq_data *		wrqu,
+			   char *			extra);
+#else
+#define ioctl_private_call NULL
+#define compat_private_call NULL
+#endif
+
+
 #endif /* __NET_WEXT_H */
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index effb78410eb..9b07535c288 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -543,8 +543,12 @@ int netdev_register_kobject(struct net_device *net)
 	*groups++ = &netstat_group;
 
 #ifdef CONFIG_WIRELESS_EXT_SYSFS
-	if (net->wireless_handlers || net->ieee80211_ptr)
+	if (net->ieee80211_ptr)
 		*groups++ = &wireless_group;
+#ifdef CONFIG_WIRELESS_EXT
+	else if (net->wireless_handlers)
+		*groups++ = &wireless_group;
+#endif
 #endif
 #endif /* CONFIG_SYSFS */
 
diff --git a/net/socket.c b/net/socket.c
index 75655365b5f..92a56709fd7 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -905,11 +905,11 @@ static long sock_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 	if (cmd >= SIOCDEVPRIVATE && cmd <= (SIOCDEVPRIVATE + 15)) {
 		err = dev_ioctl(net, cmd, argp);
 	} else
-#ifdef CONFIG_WIRELESS_EXT
+#ifdef CONFIG_WEXT_CORE
 	if (cmd >= SIOCIWFIRST && cmd <= SIOCIWLAST) {
 		err = dev_ioctl(net, cmd, argp);
 	} else
-#endif				/* CONFIG_WIRELESS_EXT */
+#endif
 		switch (cmd) {
 		case FIOSETOWN:
 		case SIOCSPGRP:
diff --git a/net/wireless/Kconfig b/net/wireless/Kconfig
index abf7ca3f9ff..614bdcec1c8 100644
--- a/net/wireless/Kconfig
+++ b/net/wireless/Kconfig
@@ -1,3 +1,21 @@
+config WIRELESS_EXT
+	bool
+
+config WEXT_CORE
+	def_bool y
+	depends on CFG80211_WEXT || WIRELESS_EXT
+
+config WEXT_PROC
+	def_bool y
+	depends on PROC_FS
+	depends on WEXT_CORE
+
+config WEXT_SPY
+	bool
+
+config WEXT_PRIV
+	bool
+
 config CFG80211
 	tristate "cfg80211 - wireless configuration API"
 	depends on RFKILL || !RFKILL
@@ -56,6 +74,12 @@ config CFG80211_REG_DEBUG
 
 	  If unsure, say N.
 
+config CFG80211_DEFAULT_PS_VALUE
+	int
+	default 1 if CFG80211_DEFAULT_PS
+	default 0
+	depends on CFG80211
+
 config CFG80211_DEFAULT_PS
 	bool "enable powersave by default"
 	depends on CFG80211
@@ -67,14 +91,10 @@ config CFG80211_DEFAULT_PS
 	  applications instead -- they need to register their network
 	  latency requirement, see Documentation/power/pm_qos_interface.txt.
 
-config CFG80211_DEFAULT_PS_VALUE
-	int
-	default 1 if CFG80211_DEFAULT_PS
-	default 0
-
 config CFG80211_DEBUGFS
 	bool "cfg80211 DebugFS entries"
-	depends on CFG80211 && DEBUG_FS
+	depends on CFG80211
+	depends on DEBUG_FS
 	---help---
 	  You can enable this if you want to debugfs entries for cfg80211.
 
@@ -83,6 +103,7 @@ config CFG80211_DEBUGFS
 config WIRELESS_OLD_REGULATORY
 	bool "Old wireless static regulatory definitions"
 	default n
+	depends on CFG80211
 	---help---
 	  This option enables the old static regulatory information
 	  and uses it within the new framework. This option is available
@@ -94,20 +115,19 @@ config WIRELESS_OLD_REGULATORY
 
 	  Say N and if you say Y, please tell us why. The default is N.
 
-config WIRELESS_EXT
-	bool "Wireless extensions"
+config CFG80211_WEXT
+	bool "cfg80211 wireless extensions compatibility"
+	depends on CFG80211
+	select WEXT_CORE
 	default y
-	---help---
-	  This option enables the legacy wireless extensions
-	  (wireless network interface configuration via ioctls.)
-
-	  Say Y unless you've upgraded all your userspace to use
-	  nl80211 instead of wireless extensions.
+	help
+	  Enable this option if you need old userspace for wireless
+	  extensions with cfg80211-based drivers.
 
 config WIRELESS_EXT_SYSFS
 	bool "Wireless extensions sysfs files"
 	default y
-	depends on WIRELESS_EXT && SYSFS
+	depends on WEXT_CORE && SYSFS
 	help
 	  This option enables the deprecated wireless statistics
 	  files in /sys/class/net/*/wireless/. The same information
diff --git a/net/wireless/Makefile b/net/wireless/Makefile
index 3ecaa917997..c8141505a83 100644
--- a/net/wireless/Makefile
+++ b/net/wireless/Makefile
@@ -1,13 +1,17 @@
-obj-$(CONFIG_WIRELESS_EXT) += wext.o
 obj-$(CONFIG_CFG80211) += cfg80211.o
 obj-$(CONFIG_LIB80211) += lib80211.o
 obj-$(CONFIG_LIB80211_CRYPT_WEP) += lib80211_crypt_wep.o
 obj-$(CONFIG_LIB80211_CRYPT_CCMP) += lib80211_crypt_ccmp.o
 obj-$(CONFIG_LIB80211_CRYPT_TKIP) += lib80211_crypt_tkip.o
 
+obj-$(CONFIG_WEXT_CORE) += wext-core.o
+obj-$(CONFIG_WEXT_PROC) += wext-proc.o
+obj-$(CONFIG_WEXT_SPY) += wext-spy.o
+obj-$(CONFIG_WEXT_PRIV) += wext-priv.o
+
 cfg80211-y += core.o sysfs.o radiotap.o util.o reg.o scan.o nl80211.o
 cfg80211-y += mlme.o ibss.o sme.o chan.o
 cfg80211-$(CONFIG_CFG80211_DEBUGFS) += debugfs.o
-cfg80211-$(CONFIG_WIRELESS_EXT) += wext-compat.o wext-sme.o
+cfg80211-$(CONFIG_CFG80211_WEXT) += wext-compat.o wext-sme.o
 
 ccflags-y += -D__CHECK_ENDIAN__
diff --git a/net/wireless/core.c b/net/wireless/core.c
index e6f02e98e5f..eb0bb24b99c 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -358,6 +358,10 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv)
 	INIT_LIST_HEAD(&rdev->bss_list);
 	INIT_WORK(&rdev->scan_done_wk, __cfg80211_scan_done);
 
+#ifdef CONFIG_CFG80211_WEXT
+	rdev->wiphy.wext = &cfg80211_wext_handler;
+#endif
+
 	device_initialize(&rdev->wiphy.dev);
 	rdev->wiphy.dev.class = &ieee80211_class;
 	rdev->wiphy.dev.platform_data = rdev;
@@ -672,9 +676,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
 		wdev->netdev = dev;
 		wdev->sme_state = CFG80211_SME_IDLE;
 		mutex_unlock(&rdev->devlist_mtx);
-#ifdef CONFIG_WIRELESS_EXT
-		if (!dev->wireless_handlers)
-			dev->wireless_handlers = &cfg80211_wext_handler;
+#ifdef CONFIG_CFG80211_WEXT
 		wdev->wext.default_key = -1;
 		wdev->wext.default_mgmt_key = -1;
 		wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
@@ -696,7 +698,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
 			break;
 		case NL80211_IFTYPE_STATION:
 			wdev_lock(wdev);
-#ifdef CONFIG_WIRELESS_EXT
+#ifdef CONFIG_CFG80211_WEXT
 			kfree(wdev->wext.ie);
 			wdev->wext.ie = NULL;
 			wdev->wext.ie_len = 0;
@@ -728,7 +730,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
 			mutex_unlock(&rdev->devlist_mtx);
 			dev_put(dev);
 		}
-#ifdef CONFIG_WIRELESS_EXT
+#ifdef CONFIG_CFG80211_WEXT
 		cfg80211_lock_rdev(rdev);
 		mutex_lock(&rdev->devlist_mtx);
 		wdev_lock(wdev);
@@ -766,7 +768,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
 			sysfs_remove_link(&dev->dev.kobj, "phy80211");
 			list_del_init(&wdev->list);
 			rdev->devlist_generation++;
-#ifdef CONFIG_WIRELESS_EXT
+#ifdef CONFIG_CFG80211_WEXT
 			kfree(wdev->wext.keys);
 #endif
 		}
diff --git a/net/wireless/ibss.c b/net/wireless/ibss.c
index c8833891197..39b6d92e282 100644
--- a/net/wireless/ibss.c
+++ b/net/wireless/ibss.c
@@ -15,7 +15,7 @@ void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid)
 {
 	struct wireless_dev *wdev = dev->ieee80211_ptr;
 	struct cfg80211_bss *bss;
-#ifdef CONFIG_WIRELESS_EXT
+#ifdef CONFIG_CFG80211_WEXT
 	union iwreq_data wrqu;
 #endif
 
@@ -44,7 +44,7 @@ void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid)
 
 	nl80211_send_ibss_bssid(wiphy_to_dev(wdev->wiphy), dev, bssid,
 				GFP_KERNEL);
-#ifdef CONFIG_WIRELESS_EXT
+#ifdef CONFIG_CFG80211_WEXT
 	memset(&wrqu, 0, sizeof(wrqu));
 	memcpy(wrqu.ap_addr.sa_data, bssid, ETH_ALEN);
 	wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
@@ -96,7 +96,7 @@ int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
 		kfree(wdev->connect_keys);
 	wdev->connect_keys = connkeys;
 
-#ifdef CONFIG_WIRELESS_EXT
+#ifdef CONFIG_CFG80211_WEXT
 	wdev->wext.ibss.channel = params->channel;
 #endif
 	err = rdev->ops->join_ibss(&rdev->wiphy, dev, params);
@@ -154,7 +154,7 @@ static void __cfg80211_clear_ibss(struct net_device *dev, bool nowext)
 
 	wdev->current_bss = NULL;
 	wdev->ssid_len = 0;
-#ifdef CONFIG_WIRELESS_EXT
+#ifdef CONFIG_CFG80211_WEXT
 	if (!nowext)
 		wdev->wext.ibss.ssid_len = 0;
 #endif
@@ -203,7 +203,7 @@ int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
 	return err;
 }
 
-#ifdef CONFIG_WIRELESS_EXT
+#ifdef CONFIG_CFG80211_WEXT
 int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
 			    struct wireless_dev *wdev)
 {
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 79d2eec54ce..ceb2c14c8f4 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -331,7 +331,7 @@ void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr,
 {
 	struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
 	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
-#ifdef CONFIG_WIRELESS_EXT
+#ifdef CONFIG_CFG80211_WEXT
 	union iwreq_data wrqu;
 	char *buf = kmalloc(128, gfp);
 
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index e0ecc9f153d..14004e2ebd6 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -1264,7 +1264,7 @@ static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
 	if (!err)
 		err = func(&rdev->wiphy, dev, key.idx);
 
-#ifdef CONFIG_WIRELESS_EXT
+#ifdef CONFIG_CFG80211_WEXT
 	if (!err) {
 		if (func == rdev->ops->set_default_key)
 			dev->ieee80211_ptr->wext.default_key = key.idx;
@@ -1365,7 +1365,7 @@ static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
 	if (!err)
 		err = rdev->ops->del_key(&rdev->wiphy, dev, key.idx, mac_addr);
 
-#ifdef CONFIG_WIRELESS_EXT
+#ifdef CONFIG_CFG80211_WEXT
 	if (!err) {
 		if (key.idx == dev->ieee80211_ptr->wext.default_key)
 			dev->ieee80211_ptr->wext.default_key = -1;
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index e5f92ee758f..2e8c515f3c5 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -22,7 +22,7 @@ void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak)
 {
 	struct cfg80211_scan_request *request;
 	struct net_device *dev;
-#ifdef CONFIG_WIRELESS_EXT
+#ifdef CONFIG_CFG80211_WEXT
 	union iwreq_data wrqu;
 #endif
 
@@ -47,7 +47,7 @@ void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak)
 	else
 		nl80211_send_scan_done(rdev, dev);
 
-#ifdef CONFIG_WIRELESS_EXT
+#ifdef CONFIG_CFG80211_WEXT
 	if (!request->aborted) {
 		memset(&wrqu, 0, sizeof(wrqu));
 
@@ -592,7 +592,7 @@ void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *pub)
 }
 EXPORT_SYMBOL(cfg80211_unlink_bss);
 
-#ifdef CONFIG_WIRELESS_EXT
+#ifdef CONFIG_CFG80211_WEXT
 int cfg80211_wext_siwscan(struct net_device *dev,
 			  struct iw_request_info *info,
 			  union iwreq_data *wrqu, char *extra)
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index 93c3ed32920..d3624152f7f 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -345,7 +345,7 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
 {
 	struct wireless_dev *wdev = dev->ieee80211_ptr;
 	u8 *country_ie;
-#ifdef CONFIG_WIRELESS_EXT
+#ifdef CONFIG_CFG80211_WEXT
 	union iwreq_data wrqu;
 #endif
 
@@ -362,7 +362,7 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
 				    resp_ie, resp_ie_len,
 				    status, GFP_KERNEL);
 
-#ifdef CONFIG_WIRELESS_EXT
+#ifdef CONFIG_CFG80211_WEXT
 	if (wextev) {
 		if (req_ie && status == WLAN_STATUS_SUCCESS) {
 			memset(&wrqu, 0, sizeof(wrqu));
@@ -477,7 +477,7 @@ void __cfg80211_roamed(struct wireless_dev *wdev, const u8 *bssid,
 		       const u8 *resp_ie, size_t resp_ie_len)
 {
 	struct cfg80211_bss *bss;
-#ifdef CONFIG_WIRELESS_EXT
+#ifdef CONFIG_CFG80211_WEXT
 	union iwreq_data wrqu;
 #endif
 
@@ -512,7 +512,7 @@ void __cfg80211_roamed(struct wireless_dev *wdev, const u8 *bssid,
 			    req_ie, req_ie_len, resp_ie, resp_ie_len,
 			    GFP_KERNEL);
 
-#ifdef CONFIG_WIRELESS_EXT
+#ifdef CONFIG_CFG80211_WEXT
 	if (req_ie) {
 		memset(&wrqu, 0, sizeof(wrqu));
 		wrqu.data.length = req_ie_len;
@@ -573,7 +573,7 @@ void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
 	struct wireless_dev *wdev = dev->ieee80211_ptr;
 	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
 	int i;
-#ifdef CONFIG_WIRELESS_EXT
+#ifdef CONFIG_CFG80211_WEXT
 	union iwreq_data wrqu;
 #endif
 
@@ -631,7 +631,7 @@ void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
 		for (i = 0; i < 6; i++)
 			rdev->ops->del_key(wdev->wiphy, dev, i, NULL);
 
-#ifdef CONFIG_WIRELESS_EXT
+#ifdef CONFIG_CFG80211_WEXT
 	memset(&wrqu, 0, sizeof(wrqu));
 	wrqu.ap_addr.sa_family = ARPHRD_ETHER;
 	wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
diff --git a/net/wireless/wext.c b/net/wireless/wext-core.c
similarity index 53%
rename from net/wireless/wext.c
rename to net/wireless/wext-core.c
index 60fe57761ca..a4e5ddc8d4f 100644
--- a/net/wireless/wext.c
+++ b/net/wireless/wext-core.c
@@ -1,112 +1,28 @@
 /*
- * This file implement the Wireless Extensions APIs.
+ * This file implement the Wireless Extensions core API.
  *
  * Authors :	Jean Tourrilhes - HPL - <jt@hpl.hp.com>
  * Copyright (c) 1997-2007 Jean Tourrilhes, All Rights Reserved.
+ * Copyright	2009 Johannes Berg <johannes@sipsolutions.net>
  *
  * (As all part of the Linux kernel, this file is GPL)
  */
-
-/************************** DOCUMENTATION **************************/
-/*
- * API definition :
- * --------------
- * See <linux/wireless.h> for details of the APIs and the rest.
- *
- * History :
- * -------
- *
- * v1 - 5.12.01 - Jean II
- *	o Created this file.
- *
- * v2 - 13.12.01 - Jean II
- *	o Move /proc/net/wireless stuff from net/core/dev.c to here
- *	o Make Wireless Extension IOCTLs go through here
- *	o Added iw_handler handling ;-)
- *	o Added standard ioctl description
- *	o Initial dumb commit strategy based on orinoco.c
- *
- * v3 - 19.12.01 - Jean II
- *	o Make sure we don't go out of standard_ioctl[] in ioctl_standard_call
- *	o Add event dispatcher function
- *	o Add event description
- *	o Propagate events as rtnetlink IFLA_WIRELESS option
- *	o Generate event on selected SET requests
- *
- * v4 - 18.04.02 - Jean II
- *	o Fix stupid off by one in iw_ioctl_description : IW_ESSID_MAX_SIZE + 1
- *
- * v5 - 21.06.02 - Jean II
- *	o Add IW_PRIV_TYPE_ADDR in priv_type_size (+cleanup)
- *	o Reshuffle IW_HEADER_TYPE_XXX to map IW_PRIV_TYPE_XXX changes
- *	o Add IWEVCUSTOM for driver specific event/scanning token
- *	o Turn on WE_STRICT_WRITE by default + kernel warning
- *	o Fix WE_STRICT_WRITE in ioctl_export_private() (32 => iw_num)
- *	o Fix off-by-one in test (extra_size <= IFNAMSIZ)
- *
- * v6 - 9.01.03 - Jean II
- *	o Add common spy support : iw_handler_set_spy(), wireless_spy_update()
- *	o Add enhanced spy support : iw_handler_set_thrspy() and event.
- *	o Add WIRELESS_EXT version display in /proc/net/wireless
- *
- * v6 - 18.06.04 - Jean II
- *	o Change get_spydata() method for added safety
- *	o Remove spy #ifdef, they are always on -> cleaner code
- *	o Allow any size GET request if user specifies length > max
- *		and if request has IW_DESCR_FLAG_NOMAX flag or is SIOCGIWPRIV
- *	o Start migrating get_wireless_stats to struct iw_handler_def
- *	o Add wmb() in iw_handler_set_spy() for non-coherent archs/cpus
- * Based on patch from Pavel Roskin <proski@gnu.org> :
- *	o Fix kernel data leak to user space in private handler handling
- *
- * v7 - 18.3.05 - Jean II
- *	o Remove (struct iw_point *)->pointer from events and streams
- *	o Remove spy_offset from struct iw_handler_def
- *	o Start deprecating dev->get_wireless_stats, output a warning
- *	o If IW_QUAL_DBM is set, show dBm values in /proc/net/wireless
- *	o Don't lose INVALID/DBM flags when clearing UPDATED flags (iwstats)
- *
- * v8 - 17.02.06 - Jean II
- *	o RtNetlink requests support (SET/GET)
- *
- * v8b - 03.08.06 - Herbert Xu
- *	o Fix Wireless Event locking issues.
- *
- * v9 - 14.3.06 - Jean II
- *	o Change length in ESSID and NICK to strlen() instead of strlen()+1
- *	o Make standard_ioctl_num and standard_event_num unsigned
- *	o Remove (struct net_device *)->get_wireless_stats()
- *
- * v10 - 16.3.07 - Jean II
- *	o Prevent leaking of kernel space in stream on 64 bits.
- */
-
-/***************************** INCLUDES *****************************/
-
-#include <linux/module.h>
-#include <linux/types.h>		/* off_t */
-#include <linux/netdevice.h>		/* struct ifreq, dev_get_by_name() */
-#include <linux/proc_fs.h>
-#include <linux/rtnetlink.h>		/* rtnetlink stuff */
-#include <linux/seq_file.h>
-#include <linux/init.h>			/* for __init */
-#include <linux/if_arp.h>		/* ARPHRD_ETHER */
-#include <linux/etherdevice.h>		/* compare_ether_addr */
-#include <linux/interrupt.h>
-#include <net/net_namespace.h>
-
-#include <linux/wireless.h>		/* Pretty obvious */
-#include <net/iw_handler.h>		/* New driver API */
+#include <linux/kernel.h>
+#include <linux/netdevice.h>
+#include <linux/rtnetlink.h>
+#include <linux/wireless.h>
+#include <linux/uaccess.h>
+#include <net/cfg80211.h>
+#include <net/iw_handler.h>
 #include <net/netlink.h>
 #include <net/wext.h>
+#include <net/net_namespace.h>
+
+typedef int (*wext_ioctl_func)(struct net_device *, struct iwreq *,
+			       unsigned int, struct iw_request_info *,
+			       iw_handler);
 
-#include <asm/uaccess.h>		/* copy_to_user() */
 
-/************************* GLOBAL VARIABLES *************************/
-/*
- * You should not use global variables, because of re-entrancy.
- * On our case, it's only const, so it's OK...
- */
 /*
  * Meta-data about all the standard Wireless Extension request we
  * know about.
@@ -390,18 +306,6 @@ static const struct iw_ioctl_description standard_event[] = {
 };
 static const unsigned standard_event_num = ARRAY_SIZE(standard_event);
 
-/* Size (in bytes) of the various private data types */
-static const char iw_priv_type_size[] = {
-	0,				/* IW_PRIV_TYPE_NONE */
-	1,				/* IW_PRIV_TYPE_BYTE */
-	1,				/* IW_PRIV_TYPE_CHAR */
-	0,				/* Not defined */
-	sizeof(__u32),			/* IW_PRIV_TYPE_INT */
-	sizeof(struct iw_freq),		/* IW_PRIV_TYPE_FLOAT */
-	sizeof(struct sockaddr),	/* IW_PRIV_TYPE_ADDR */
-	0,				/* Not defined */
-};
-
 /* Size (in bytes) of various events */
 static const int event_type_size[] = {
 	IW_EV_LCP_LEN,			/* IW_HEADER_TYPE_NULL */
@@ -433,338 +337,361 @@ static const int compat_event_type_size[] = {
 };
 #endif
 
-/************************ COMMON SUBROUTINES ************************/
-/*
- * Stuff that may be used in various place or doesn't fit in one
- * of the section below.
- */
-
-/* ---------------------------------------------------------------- */
-/*
- * Return the driver handler associated with a specific Wireless Extension.
- */
-static iw_handler get_handler(struct net_device *dev, unsigned int cmd)
-{
-	/* Don't "optimise" the following variable, it will crash */
-	unsigned int	index;		/* *MUST* be unsigned */
-
-	/* Check if we have some wireless handlers defined */
-	if (dev->wireless_handlers == NULL)
-		return NULL;
-
-	/* Try as a standard command */
-	index = cmd - SIOCIWFIRST;
-	if (index < dev->wireless_handlers->num_standard)
-		return dev->wireless_handlers->standard[index];
-
-	/* Try as a private command */
-	index = cmd - SIOCIWFIRSTPRIV;
-	if (index < dev->wireless_handlers->num_private)
-		return dev->wireless_handlers->private[index];
-
-	/* Not found */
-	return NULL;
-}
-
-/* ---------------------------------------------------------------- */
-/*
- * Get statistics out of the driver
- */
-struct iw_statistics *get_wireless_stats(struct net_device *dev)
-{
-	/* New location */
-	if ((dev->wireless_handlers != NULL) &&
-	   (dev->wireless_handlers->get_wireless_stats != NULL))
-		return dev->wireless_handlers->get_wireless_stats(dev);
-
-	/* Not found */
-	return NULL;
-}
-
-/* ---------------------------------------------------------------- */
-/*
- * Call the commit handler in the driver
- * (if exist and if conditions are right)
- *
- * Note : our current commit strategy is currently pretty dumb,
- * but we will be able to improve on that...
- * The goal is to try to agreagate as many changes as possible
- * before doing the commit. Drivers that will define a commit handler
- * are usually those that need a reset after changing parameters, so
- * we want to minimise the number of reset.
- * A cool idea is to use a timer : at each "set" command, we re-set the
- * timer, when the timer eventually fires, we call the driver.
- * Hopefully, more on that later.
- *
- * Also, I'm waiting to see how many people will complain about the
- * netif_running(dev) test. I'm open on that one...
- * Hopefully, the driver will remember to do a commit in "open()" ;-)
- */
-static int call_commit_handler(struct net_device *dev)
-{
-	if ((netif_running(dev)) &&
-	   (dev->wireless_handlers->standard[0] != NULL))
-		/* Call the commit handler on the driver */
-		return dev->wireless_handlers->standard[0](dev, NULL,
-							   NULL, NULL);
-	else
-		return 0;		/* Command completed successfully */
-}
-
-/* ---------------------------------------------------------------- */
-/*
- * Calculate size of private arguments
- */
-static int get_priv_size(__u16 args)
-{
-	int	num = args & IW_PRIV_SIZE_MASK;
-	int	type = (args & IW_PRIV_TYPE_MASK) >> 12;
-
-	return num * iw_priv_type_size[type];
-}
-
-/* ---------------------------------------------------------------- */
-/*
- * Re-calculate the size of private arguments
- */
-static int adjust_priv_size(__u16 args, struct iw_point *iwp)
-{
-	int	num = iwp->length;
-	int	max = args & IW_PRIV_SIZE_MASK;
-	int	type = (args & IW_PRIV_TYPE_MASK) >> 12;
-
-	/* Make sure the driver doesn't goof up */
-	if (max < num)
-		num = max;
 
-	return num * iw_priv_type_size[type];
-}
+/* IW event code */
 
-/* ---------------------------------------------------------------- */
-/*
- * Standard Wireless Handler : get wireless stats
- *	Allow programatic access to /proc/net/wireless even if /proc
- *	doesn't exist... Also more efficient...
- */
-static int iw_handler_get_iwstats(struct net_device *		dev,
-				  struct iw_request_info *	info,
-				  union iwreq_data *		wrqu,
-				  char *			extra)
+static int __net_init wext_pernet_init(struct net *net)
 {
-	/* Get stats from the driver */
-	struct iw_statistics *stats;
-
-	stats = get_wireless_stats(dev);
-	if (stats) {
-		/* Copy statistics to extra */
-		memcpy(extra, stats, sizeof(struct iw_statistics));
-		wrqu->data.length = sizeof(struct iw_statistics);
-
-		/* Check if we need to clear the updated flag */
-		if (wrqu->data.flags != 0)
-			stats->qual.updated &= ~IW_QUAL_ALL_UPDATED;
-		return 0;
-	} else
-		return -EOPNOTSUPP;
+	skb_queue_head_init(&net->wext_nlevents);
+	return 0;
 }
 
-/* ---------------------------------------------------------------- */
-/*
- * Standard Wireless Handler : get iwpriv definitions
- * Export the driver private handler definition
- * They will be picked up by tools like iwpriv...
- */
-static int iw_handler_get_private(struct net_device *		dev,
-				  struct iw_request_info *	info,
-				  union iwreq_data *		wrqu,
-				  char *			extra)
+static void __net_exit wext_pernet_exit(struct net *net)
 {
-	/* Check if the driver has something to export */
-	if ((dev->wireless_handlers->num_private_args == 0) ||
-	   (dev->wireless_handlers->private_args == NULL))
-		return -EOPNOTSUPP;
-
-	/* Check if there is enough buffer up there */
-	if (wrqu->data.length < dev->wireless_handlers->num_private_args) {
-		/* User space can't know in advance how large the buffer
-		 * needs to be. Give it a hint, so that we can support
-		 * any size buffer we want somewhat efficiently... */
-		wrqu->data.length = dev->wireless_handlers->num_private_args;
-		return -E2BIG;
-	}
-
-	/* Set the number of available ioctls. */
-	wrqu->data.length = dev->wireless_handlers->num_private_args;
-
-	/* Copy structure to the user buffer. */
-	memcpy(extra, dev->wireless_handlers->private_args,
-	       sizeof(struct iw_priv_args) * wrqu->data.length);
-
-	return 0;
+	skb_queue_purge(&net->wext_nlevents);
 }
 
+static struct pernet_operations wext_pernet_ops = {
+	.init = wext_pernet_init,
+	.exit = wext_pernet_exit,
+};
 
-/******************** /proc/net/wireless SUPPORT ********************/
-/*
- * The /proc/net/wireless file is a human readable user-space interface
- * exporting various wireless specific statistics from the wireless devices.
- * This is the most popular part of the Wireless Extensions ;-)
- *
- * This interface is a pure clone of /proc/net/dev (in net/core/dev.c).
- * The content of the file is basically the content of "struct iw_statistics".
- */
-
-#ifdef CONFIG_PROC_FS
-
-/* ---------------------------------------------------------------- */
-/*
- * Print one entry (line) of /proc/net/wireless
- */
-static void wireless_seq_printf_stats(struct seq_file *seq,
-				      struct net_device *dev)
+static int __init wireless_nlevent_init(void)
 {
-	/* Get stats from the driver */
-	struct iw_statistics *stats = get_wireless_stats(dev);
-	static struct iw_statistics nullstats = {};
-
-	/* show device if it's wireless regardless of current stats */
-	if (!stats && dev->wireless_handlers)
-		stats = &nullstats;
-
-	if (stats) {
-		seq_printf(seq, "%6s: %04x  %3d%c  %3d%c  %3d%c  %6d %6d %6d "
-				"%6d %6d   %6d\n",
-			   dev->name, stats->status, stats->qual.qual,
-			   stats->qual.updated & IW_QUAL_QUAL_UPDATED
-			   ? '.' : ' ',
-			   ((__s32) stats->qual.level) -
-			   ((stats->qual.updated & IW_QUAL_DBM) ? 0x100 : 0),
-			   stats->qual.updated & IW_QUAL_LEVEL_UPDATED
-			   ? '.' : ' ',
-			   ((__s32) stats->qual.noise) -
-			   ((stats->qual.updated & IW_QUAL_DBM) ? 0x100 : 0),
-			   stats->qual.updated & IW_QUAL_NOISE_UPDATED
-			   ? '.' : ' ',
-			   stats->discard.nwid, stats->discard.code,
-			   stats->discard.fragment, stats->discard.retries,
-			   stats->discard.misc, stats->miss.beacon);
-
-		if (stats != &nullstats)
-			stats->qual.updated &= ~IW_QUAL_ALL_UPDATED;
-	}
+	return register_pernet_subsys(&wext_pernet_ops);
 }
 
-/* ---------------------------------------------------------------- */
-/*
- * Print info for /proc/net/wireless (print all entries)
- */
-static int wireless_dev_seq_show(struct seq_file *seq, void *v)
-{
-	might_sleep();
-
-	if (v == SEQ_START_TOKEN)
-		seq_printf(seq, "Inter-| sta-|   Quality        |   Discarded "
-				"packets               | Missed | WE\n"
-				" face | tus | link level noise |  nwid  "
-				"crypt   frag  retry   misc | beacon | %d\n",
-			   WIRELESS_EXT);
-	else
-		wireless_seq_printf_stats(seq, v);
-	return 0;
-}
+subsys_initcall(wireless_nlevent_init);
 
-static void *wireless_dev_seq_start(struct seq_file *seq, loff_t *pos)
+/* Process events generated by the wireless layer or the driver. */
+static void wireless_nlevent_process(struct work_struct *work)
 {
-	struct net *net = seq_file_net(seq);
-	loff_t off;
-	struct net_device *dev;
+	struct sk_buff *skb;
+	struct net *net;
 
 	rtnl_lock();
-	if (!*pos)
-		return SEQ_START_TOKEN;
-
-	off = 1;
-	for_each_netdev(net, dev)
-		if (off++ == *pos)
-			return dev;
-	return NULL;
-}
-
-static void *wireless_dev_seq_next(struct seq_file *seq, void *v, loff_t *pos)
-{
-	struct net *net = seq_file_net(seq);
-
-	++*pos;
 
-	return v == SEQ_START_TOKEN ?
-		first_net_device(net) : next_net_device(v);
-}
+	for_each_net(net) {
+		while ((skb = skb_dequeue(&net->wext_nlevents)))
+			rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL,
+				    GFP_KERNEL);
+	}
 
-static void wireless_dev_seq_stop(struct seq_file *seq, void *v)
-{
 	rtnl_unlock();
 }
 
-static const struct seq_operations wireless_seq_ops = {
-	.start = wireless_dev_seq_start,
-	.next  = wireless_dev_seq_next,
-	.stop  = wireless_dev_seq_stop,
-	.show  = wireless_dev_seq_show,
-};
+static DECLARE_WORK(wireless_nlevent_work, wireless_nlevent_process);
 
-static int seq_open_wireless(struct inode *inode, struct file *file)
+static struct nlmsghdr *rtnetlink_ifinfo_prep(struct net_device *dev,
+					      struct sk_buff *skb)
 {
-	return seq_open_net(inode, file, &wireless_seq_ops,
-			    sizeof(struct seq_net_private));
-}
+	struct ifinfomsg *r;
+	struct nlmsghdr  *nlh;
 
-static const struct file_operations wireless_seq_fops = {
-	.owner	 = THIS_MODULE,
-	.open    = seq_open_wireless,
-	.read    = seq_read,
-	.llseek  = seq_lseek,
-	.release = seq_release_net,
-};
+	nlh = nlmsg_put(skb, 0, 0, RTM_NEWLINK, sizeof(*r), 0);
+	if (!nlh)
+		return NULL;
 
-int wext_proc_init(struct net *net)
-{
-	/* Create /proc/net/wireless entry */
-	if (!proc_net_fops_create(net, "wireless", S_IRUGO, &wireless_seq_fops))
-		return -ENOMEM;
+	r = nlmsg_data(nlh);
+	r->ifi_family = AF_UNSPEC;
+	r->__ifi_pad = 0;
+	r->ifi_type = dev->type;
+	r->ifi_index = dev->ifindex;
+	r->ifi_flags = dev_get_flags(dev);
+	r->ifi_change = 0;	/* Wireless changes don't affect those flags */
 
-	return 0;
-}
+	NLA_PUT_STRING(skb, IFLA_IFNAME, dev->name);
 
-void wext_proc_exit(struct net *net)
-{
-	proc_net_remove(net, "wireless");
+	return nlh;
+ nla_put_failure:
+	nlmsg_cancel(skb, nlh);
+	return NULL;
 }
-#endif	/* CONFIG_PROC_FS */
 
-/************************** IOCTL SUPPORT **************************/
+
 /*
- * The original user space API to configure all those Wireless Extensions
- * is through IOCTLs.
- * In there, we check if we need to call the new driver API (iw_handler)
- * or just call the driver ioctl handler.
+ * Main event dispatcher. Called from other parts and drivers.
+ * Send the event on the appropriate channels.
+ * May be called from interrupt context.
  */
-
-/* ---------------------------------------------------------------- */
-static int ioctl_standard_iw_point(struct iw_point *iwp, unsigned int cmd,
-				   const struct iw_ioctl_description *descr,
-				   iw_handler handler, struct net_device *dev,
-				   struct iw_request_info *info)
+void wireless_send_event(struct net_device *	dev,
+			 unsigned int		cmd,
+			 union iwreq_data *	wrqu,
+			 const char *		extra)
 {
-	int err, extra_size, user_length = 0, essid_compat = 0;
-	char *extra;
+	const struct iw_ioctl_description *	descr = NULL;
+	int extra_len = 0;
+	struct iw_event  *event;		/* Mallocated whole event */
+	int event_len;				/* Its size */
+	int hdr_len;				/* Size of the event header */
+	int wrqu_off = 0;			/* Offset in wrqu */
+	/* Don't "optimise" the following variable, it will crash */
+	unsigned	cmd_index;		/* *MUST* be unsigned */
+	struct sk_buff *skb;
+	struct nlmsghdr *nlh;
+	struct nlattr *nla;
+#ifdef CONFIG_COMPAT
+	struct __compat_iw_event *compat_event;
+	struct compat_iw_point compat_wrqu;
+	struct sk_buff *compskb;
+#endif
 
-	/* Calculate space needed by arguments. Always allocate
-	 * for max space.
+	/*
+	 * Nothing in the kernel sends scan events with data, be safe.
+	 * This is necessary because we cannot fix up scan event data
+	 * for compat, due to being contained in 'extra', but normally
+	 * applications are required to retrieve the scan data anyway
+	 * and no data is included in the event, this codifies that
+	 * practice.
 	 */
-	extra_size = descr->max_tokens * descr->token_size;
+	if (WARN_ON(cmd == SIOCGIWSCAN && extra))
+		extra = NULL;
 
-	/* Check need for ESSID compatibility for WE < 21 */
-	switch (cmd) {
+	/* Get the description of the Event */
+	if (cmd <= SIOCIWLAST) {
+		cmd_index = cmd - SIOCIWFIRST;
+		if (cmd_index < standard_ioctl_num)
+			descr = &(standard_ioctl[cmd_index]);
+	} else {
+		cmd_index = cmd - IWEVFIRST;
+		if (cmd_index < standard_event_num)
+			descr = &(standard_event[cmd_index]);
+	}
+	/* Don't accept unknown events */
+	if (descr == NULL) {
+		/* Note : we don't return an error to the driver, because
+		 * the driver would not know what to do about it. It can't
+		 * return an error to the user, because the event is not
+		 * initiated by a user request.
+		 * The best the driver could do is to log an error message.
+		 * We will do it ourselves instead...
+		 */
+		printk(KERN_ERR "%s (WE) : Invalid/Unknown Wireless Event (0x%04X)\n",
+		       dev->name, cmd);
+		return;
+	}
+
+	/* Check extra parameters and set extra_len */
+	if (descr->header_type == IW_HEADER_TYPE_POINT) {
+		/* Check if number of token fits within bounds */
+		if (wrqu->data.length > descr->max_tokens) {
+			printk(KERN_ERR "%s (WE) : Wireless Event too big (%d)\n", dev->name, wrqu->data.length);
+			return;
+		}
+		if (wrqu->data.length < descr->min_tokens) {
+			printk(KERN_ERR "%s (WE) : Wireless Event too small (%d)\n", dev->name, wrqu->data.length);
+			return;
+		}
+		/* Calculate extra_len - extra is NULL for restricted events */
+		if (extra != NULL)
+			extra_len = wrqu->data.length * descr->token_size;
+		/* Always at an offset in wrqu */
+		wrqu_off = IW_EV_POINT_OFF;
+	}
+
+	/* Total length of the event */
+	hdr_len = event_type_size[descr->header_type];
+	event_len = hdr_len + extra_len;
+
+	/*
+	 * The problem for 64/32 bit.
+	 *
+	 * On 64-bit, a regular event is laid out as follows:
+	 *      |  0  |  1  |  2  |  3  |  4  |  5  |  6  |  7  |
+	 *      | event.len | event.cmd |     p a d d i n g     |
+	 *      | wrqu data ... (with the correct size)         |
+	 *
+	 * This padding exists because we manipulate event->u,
+	 * and 'event' is not packed.
+	 *
+	 * An iw_point event is laid out like this instead:
+	 *      |  0  |  1  |  2  |  3  |  4  |  5  |  6  |  7  |
+	 *      | event.len | event.cmd |     p a d d i n g     |
+	 *      | iwpnt.len | iwpnt.flg |     p a d d i n g     |
+	 *      | extra data  ...
+	 *
+	 * The second padding exists because struct iw_point is extended,
+	 * but this depends on the platform...
+	 *
+	 * On 32-bit, all the padding shouldn't be there.
+	 */
+
+	skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
+	if (!skb)
+		return;
+
+	/* Send via the RtNetlink event channel */
+	nlh = rtnetlink_ifinfo_prep(dev, skb);
+	if (WARN_ON(!nlh)) {
+		kfree_skb(skb);
+		return;
+	}
+
+	/* Add the wireless events in the netlink packet */
+	nla = nla_reserve(skb, IFLA_WIRELESS, event_len);
+	if (!nla) {
+		kfree_skb(skb);
+		return;
+	}
+	event = nla_data(nla);
+
+	/* Fill event - first clear to avoid data leaking */
+	memset(event, 0, hdr_len);
+	event->len = event_len;
+	event->cmd = cmd;
+	memcpy(&event->u, ((char *) wrqu) + wrqu_off, hdr_len - IW_EV_LCP_LEN);
+	if (extra_len)
+		memcpy(((char *) event) + hdr_len, extra, extra_len);
+
+	nlmsg_end(skb, nlh);
+#ifdef CONFIG_COMPAT
+	hdr_len = compat_event_type_size[descr->header_type];
+	event_len = hdr_len + extra_len;
+
+	compskb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
+	if (!compskb) {
+		kfree_skb(skb);
+		return;
+	}
+
+	/* Send via the RtNetlink event channel */
+	nlh = rtnetlink_ifinfo_prep(dev, compskb);
+	if (WARN_ON(!nlh)) {
+		kfree_skb(skb);
+		kfree_skb(compskb);
+		return;
+	}
+
+	/* Add the wireless events in the netlink packet */
+	nla = nla_reserve(compskb, IFLA_WIRELESS, event_len);
+	if (!nla) {
+		kfree_skb(skb);
+		kfree_skb(compskb);
+		return;
+	}
+	compat_event = nla_data(nla);
+
+	compat_event->len = event_len;
+	compat_event->cmd = cmd;
+	if (descr->header_type == IW_HEADER_TYPE_POINT) {
+		compat_wrqu.length = wrqu->data.length;
+		compat_wrqu.flags = wrqu->data.flags;
+		memcpy(&compat_event->pointer,
+			((char *) &compat_wrqu) + IW_EV_COMPAT_POINT_OFF,
+			hdr_len - IW_EV_COMPAT_LCP_LEN);
+		if (extra_len)
+			memcpy(((char *) compat_event) + hdr_len,
+				extra, extra_len);
+	} else {
+		/* extra_len must be zero, so no if (extra) needed */
+		memcpy(&compat_event->pointer, wrqu,
+			hdr_len - IW_EV_COMPAT_LCP_LEN);
+	}
+
+	nlmsg_end(compskb, nlh);
+
+	skb_shinfo(skb)->frag_list = compskb;
+#endif
+	skb_queue_tail(&dev_net(dev)->wext_nlevents, skb);
+	schedule_work(&wireless_nlevent_work);
+}
+EXPORT_SYMBOL(wireless_send_event);
+
+
+
+/* IW handlers */
+
+struct iw_statistics *get_wireless_stats(struct net_device *dev)
+{
+#ifdef CONFIG_WIRELESS_EXT
+	if ((dev->wireless_handlers != NULL) &&
+	   (dev->wireless_handlers->get_wireless_stats != NULL))
+		return dev->wireless_handlers->get_wireless_stats(dev);
+#endif
+
+#ifdef CONFIG_CFG80211_WEXT
+	if (dev->ieee80211_ptr && dev->ieee80211_ptr &&
+	    dev->ieee80211_ptr->wiphy &&
+	    dev->ieee80211_ptr->wiphy->wext &&
+	    dev->ieee80211_ptr->wiphy->wext->get_wireless_stats)
+		return dev->ieee80211_ptr->wiphy->wext->get_wireless_stats(dev);
+#endif
+
+	/* not found */
+	return NULL;
+}
+
+static int iw_handler_get_iwstats(struct net_device *		dev,
+				  struct iw_request_info *	info,
+				  union iwreq_data *		wrqu,
+				  char *			extra)
+{
+	/* Get stats from the driver */
+	struct iw_statistics *stats;
+
+	stats = get_wireless_stats(dev);
+	if (stats) {
+		/* Copy statistics to extra */
+		memcpy(extra, stats, sizeof(struct iw_statistics));
+		wrqu->data.length = sizeof(struct iw_statistics);
+
+		/* Check if we need to clear the updated flag */
+		if (wrqu->data.flags != 0)
+			stats->qual.updated &= ~IW_QUAL_ALL_UPDATED;
+		return 0;
+	} else
+		return -EOPNOTSUPP;
+}
+
+static iw_handler get_handler(struct net_device *dev, unsigned int cmd)
+{
+	/* Don't "optimise" the following variable, it will crash */
+	unsigned int	index;		/* *MUST* be unsigned */
+	const struct iw_handler_def *handlers = NULL;
+
+#ifdef CONFIG_CFG80211_WEXT
+	if (dev->ieee80211_ptr && dev->ieee80211_ptr->wiphy)
+		handlers = dev->ieee80211_ptr->wiphy->wext;
+#endif
+#ifdef CONFIG_WIRELESS_EXT
+	if (dev->wireless_handlers)
+		handlers = dev->wireless_handlers;
+#endif
+
+	if (!handlers)
+		return NULL;
+
+	/* Try as a standard command */
+	index = cmd - SIOCIWFIRST;
+	if (index < handlers->num_standard)
+		return handlers->standard[index];
+
+#ifdef CONFIG_WEXT_PRIV
+	/* Try as a private command */
+	index = cmd - SIOCIWFIRSTPRIV;
+	if (index < handlers->num_private)
+		return handlers->private[index];
+#endif
+
+	/* Not found */
+	return NULL;
+}
+
+static int ioctl_standard_iw_point(struct iw_point *iwp, unsigned int cmd,
+				   const struct iw_ioctl_description *descr,
+				   iw_handler handler, struct net_device *dev,
+				   struct iw_request_info *info)
+{
+	int err, extra_size, user_length = 0, essid_compat = 0;
+	char *extra;
+
+	/* Calculate space needed by arguments. Always allocate
+	 * for max space.
+	 */
+	extra_size = descr->max_tokens * descr->token_size;
+
+	/* Check need for ESSID compatibility for WE < 21 */
+	switch (cmd) {
 	case SIOCSIWESSID:
 	case SIOCGIWESSID:
 	case SIOCSIWNICKN:
@@ -893,188 +820,39 @@ out:
 }
 
 /*
- * Wrapper to call a standard Wireless Extension handler.
- * We do various checks and also take care of moving data between
- * user space and kernel space.
+ * Call the commit handler in the driver
+ * (if exist and if conditions are right)
+ *
+ * Note : our current commit strategy is currently pretty dumb,
+ * but we will be able to improve on that...
+ * The goal is to try to agreagate as many changes as possible
+ * before doing the commit. Drivers that will define a commit handler
+ * are usually those that need a reset after changing parameters, so
+ * we want to minimise the number of reset.
+ * A cool idea is to use a timer : at each "set" command, we re-set the
+ * timer, when the timer eventually fires, we call the driver.
+ * Hopefully, more on that later.
+ *
+ * Also, I'm waiting to see how many people will complain about the
+ * netif_running(dev) test. I'm open on that one...
+ * Hopefully, the driver will remember to do a commit in "open()" ;-)
  */
-static int ioctl_standard_call(struct net_device *	dev,
-			       struct iwreq		*iwr,
-			       unsigned int		cmd,
-			       struct iw_request_info	*info,
-			       iw_handler		handler)
+int call_commit_handler(struct net_device *dev)
 {
-	const struct iw_ioctl_description *	descr;
-	int					ret = -EINVAL;
-
-	/* Get the description of the IOCTL */
-	if ((cmd - SIOCIWFIRST) >= standard_ioctl_num)
-		return -EOPNOTSUPP;
-	descr = &(standard_ioctl[cmd - SIOCIWFIRST]);
-
-	/* Check if we have a pointer to user space data or not */
-	if (descr->header_type != IW_HEADER_TYPE_POINT) {
-
-		/* No extra arguments. Trivial to handle */
-		ret = handler(dev, info, &(iwr->u), NULL);
-
-		/* Generate an event to notify listeners of the change */
-		if ((descr->flags & IW_DESCR_FLAG_EVENT) &&
-		   ((ret == 0) || (ret == -EIWCOMMIT)))
-			wireless_send_event(dev, cmd, &(iwr->u), NULL);
-	} else {
-		ret = ioctl_standard_iw_point(&iwr->u.data, cmd, descr,
-					      handler, dev, info);
-	}
-
-	/* Call commit handler if needed and defined */
-	if (ret == -EIWCOMMIT)
-		ret = call_commit_handler(dev);
-
-	/* Here, we will generate the appropriate event if needed */
-
-	return ret;
-}
-
-/* ---------------------------------------------------------------- */
-/*
- * Wrapper to call a private Wireless Extension handler.
- * We do various checks and also take care of moving data between
- * user space and kernel space.
- * It's not as nice and slimline as the standard wrapper. The cause
- * is struct iw_priv_args, which was not really designed for the
- * job we are going here.
- *
- * IMPORTANT : This function prevent to set and get data on the same
- * IOCTL and enforce the SET/GET convention. Not doing it would be
- * far too hairy...
- * If you need to set and get data at the same time, please don't use
- * a iw_handler but process it in your ioctl handler (i.e. use the
- * old driver API).
- */
-static int get_priv_descr_and_size(struct net_device *dev, unsigned int cmd,
-				   const struct iw_priv_args **descrp)
-{
-	const struct iw_priv_args *descr;
-	int i, extra_size;
-
-	descr = NULL;
-	for (i = 0; i < dev->wireless_handlers->num_private_args; i++) {
-		if (cmd == dev->wireless_handlers->private_args[i].cmd) {
-			descr = &dev->wireless_handlers->private_args[i];
-			break;
-		}
-	}
-
-	extra_size = 0;
-	if (descr) {
-		if (IW_IS_SET(cmd)) {
-			int	offset = 0;	/* For sub-ioctls */
-			/* Check for sub-ioctl handler */
-			if (descr->name[0] == '\0')
-				/* Reserve one int for sub-ioctl index */
-				offset = sizeof(__u32);
-
-			/* Size of set arguments */
-			extra_size = get_priv_size(descr->set_args);
-
-			/* Does it fits in iwr ? */
-			if ((descr->set_args & IW_PRIV_SIZE_FIXED) &&
-			   ((extra_size + offset) <= IFNAMSIZ))
-				extra_size = 0;
-		} else {
-			/* Size of get arguments */
-			extra_size = get_priv_size(descr->get_args);
-
-			/* Does it fits in iwr ? */
-			if ((descr->get_args & IW_PRIV_SIZE_FIXED) &&
-			   (extra_size <= IFNAMSIZ))
-				extra_size = 0;
-		}
-	}
-	*descrp = descr;
-	return extra_size;
-}
-
-static int ioctl_private_iw_point(struct iw_point *iwp, unsigned int cmd,
-				  const struct iw_priv_args *descr,
-				  iw_handler handler, struct net_device *dev,
-				  struct iw_request_info *info, int extra_size)
-{
-	char *extra;
-	int err;
-
-	/* Check what user space is giving us */
-	if (IW_IS_SET(cmd)) {
-		if (!iwp->pointer && iwp->length != 0)
-			return -EFAULT;
-
-		if (iwp->length > (descr->set_args & IW_PRIV_SIZE_MASK))
-			return -E2BIG;
-	} else if (!iwp->pointer)
-		return -EFAULT;
-
-	extra = kmalloc(extra_size, GFP_KERNEL);
-	if (!extra)
-		return -ENOMEM;
-
-	/* If it is a SET, get all the extra data in here */
-	if (IW_IS_SET(cmd) && (iwp->length != 0)) {
-		if (copy_from_user(extra, iwp->pointer, extra_size)) {
-			err = -EFAULT;
-			goto out;
-		}
-	}
-
-	/* Call the handler */
-	err = handler(dev, info, (union iwreq_data *) iwp, extra);
-
-	/* If we have something to return to the user */
-	if (!err && IW_IS_GET(cmd)) {
-		/* Adjust for the actual length if it's variable,
-		 * avoid leaking kernel bits outside.
-		 */
-		if (!(descr->get_args & IW_PRIV_SIZE_FIXED))
-			extra_size = adjust_priv_size(descr->get_args, iwp);
-
-		if (copy_to_user(iwp->pointer, extra, extra_size))
-			err =  -EFAULT;
-	}
-
-out:
-	kfree(extra);
-	return err;
-}
-
-static int ioctl_private_call(struct net_device *dev, struct iwreq *iwr,
-			      unsigned int cmd, struct iw_request_info *info,
-			      iw_handler handler)
-{
-	int extra_size = 0, ret = -EINVAL;
-	const struct iw_priv_args *descr;
-
-	extra_size = get_priv_descr_and_size(dev, cmd, &descr);
-
-	/* Check if we have a pointer to user space data or not. */
-	if (extra_size == 0) {
-		/* No extra arguments. Trivial to handle */
-		ret = handler(dev, info, &(iwr->u), (char *) &(iwr->u));
-	} else {
-		ret = ioctl_private_iw_point(&iwr->u.data, cmd, descr,
-					     handler, dev, info, extra_size);
-	}
-
-	/* Call commit handler if needed and defined */
-	if (ret == -EIWCOMMIT)
-		ret = call_commit_handler(dev);
-
-	return ret;
+#ifdef CONFIG_WIRELESS_EXT
+	if ((netif_running(dev)) &&
+	   (dev->wireless_handlers->standard[0] != NULL))
+		/* Call the commit handler on the driver */
+		return dev->wireless_handlers->standard[0](dev, NULL,
+							   NULL, NULL);
+	else
+		return 0;		/* Command completed successfully */
+#else
+	/* cfg80211 has no commit */
+	return 0;
+#endif
 }
 
-/* ---------------------------------------------------------------- */
-typedef int (*wext_ioctl_func)(struct net_device *, struct iwreq *,
-			       unsigned int, struct iw_request_info *,
-			       iw_handler);
-
 /*
  * Main IOCTl dispatcher.
  * Check the type of IOCTL and call the appropriate wrapper...
@@ -1103,9 +881,11 @@ static int wireless_process_ioctl(struct net *net, struct ifreq *ifr,
 		return standard(dev, iwr, cmd, info,
 				&iw_handler_get_iwstats);
 
+#ifdef CONFIG_WEXT_PRIV
 	if (cmd == SIOCGIWPRIV && dev->wireless_handlers)
 		return standard(dev, iwr, cmd, info,
-				&iw_handler_get_private);
+				iw_handler_get_private);
+#endif
 
 	/* Basic check */
 	if (!netif_device_present(dev))
@@ -1117,7 +897,7 @@ static int wireless_process_ioctl(struct net *net, struct ifreq *ifr,
 		/* Standard and private are not the same */
 		if (cmd < SIOCIWFIRSTPRIV)
 			return standard(dev, iwr, cmd, info, handler);
-		else
+		else if (private)
 			return private(dev, iwr, cmd, info, handler);
 	}
 	/* Old driver API : call driver ioctl handler */
@@ -1157,6 +937,50 @@ static int wext_ioctl_dispatch(struct net *net, struct ifreq *ifr,
 	return ret;
 }
 
+/*
+ * Wrapper to call a standard Wireless Extension handler.
+ * We do various checks and also take care of moving data between
+ * user space and kernel space.
+ */
+static int ioctl_standard_call(struct net_device *	dev,
+			       struct iwreq		*iwr,
+			       unsigned int		cmd,
+			       struct iw_request_info	*info,
+			       iw_handler		handler)
+{
+	const struct iw_ioctl_description *	descr;
+	int					ret = -EINVAL;
+
+	/* Get the description of the IOCTL */
+	if ((cmd - SIOCIWFIRST) >= standard_ioctl_num)
+		return -EOPNOTSUPP;
+	descr = &(standard_ioctl[cmd - SIOCIWFIRST]);
+
+	/* Check if we have a pointer to user space data or not */
+	if (descr->header_type != IW_HEADER_TYPE_POINT) {
+
+		/* No extra arguments. Trivial to handle */
+		ret = handler(dev, info, &(iwr->u), NULL);
+
+		/* Generate an event to notify listeners of the change */
+		if ((descr->flags & IW_DESCR_FLAG_EVENT) &&
+		   ((ret == 0) || (ret == -EIWCOMMIT)))
+			wireless_send_event(dev, cmd, &(iwr->u), NULL);
+	} else {
+		ret = ioctl_standard_iw_point(&iwr->u.data, cmd, descr,
+					      handler, dev, info);
+	}
+
+	/* Call commit handler if needed and defined */
+	if (ret == -EIWCOMMIT)
+		ret = call_commit_handler(dev);
+
+	/* Here, we will generate the appropriate event if needed */
+
+	return ret;
+}
+
+
 int wext_handle_ioctl(struct net *net, struct ifreq *ifr, unsigned int cmd,
 		      void __user *arg)
 {
@@ -1205,43 +1029,6 @@ static int compat_standard_call(struct net_device	*dev,
 	return err;
 }
 
-static int compat_private_call(struct net_device *dev, struct iwreq *iwr,
-			       unsigned int cmd, struct iw_request_info *info,
-			       iw_handler handler)
-{
-	const struct iw_priv_args *descr;
-	int ret, extra_size;
-
-	extra_size = get_priv_descr_and_size(dev, cmd, &descr);
-
-	/* Check if we have a pointer to user space data or not. */
-	if (extra_size == 0) {
-		/* No extra arguments. Trivial to handle */
-		ret = handler(dev, info, &(iwr->u), (char *) &(iwr->u));
-	} else {
-		struct compat_iw_point *iwp_compat;
-		struct iw_point iwp;
-
-		iwp_compat = (struct compat_iw_point *) &iwr->u.data;
-		iwp.pointer = compat_ptr(iwp_compat->pointer);
-		iwp.length = iwp_compat->length;
-		iwp.flags = iwp_compat->flags;
-
-		ret = ioctl_private_iw_point(&iwp, cmd, descr,
-					     handler, dev, info, extra_size);
-
-		iwp_compat->pointer = ptr_to_compat(iwp.pointer);
-		iwp_compat->length = iwp.length;
-		iwp_compat->flags = iwp.flags;
-	}
-
-	/* Call commit handler if needed and defined */
-	if (ret == -EIWCOMMIT)
-		ret = call_commit_handler(dev);
-
-	return ret;
-}
-
 int compat_wext_handle_ioctl(struct net *net, unsigned int cmd,
 			     unsigned long arg)
 {
@@ -1274,502 +1061,3 @@ int compat_wext_handle_ioctl(struct net *net, unsigned int cmd,
 	return ret;
 }
 #endif
-
-static int __net_init wext_pernet_init(struct net *net)
-{
-	skb_queue_head_init(&net->wext_nlevents);
-	return 0;
-}
-
-static void __net_exit wext_pernet_exit(struct net *net)
-{
-	skb_queue_purge(&net->wext_nlevents);
-}
-
-static struct pernet_operations wext_pernet_ops = {
-	.init = wext_pernet_init,
-	.exit = wext_pernet_exit,
-};
-
-static int __init wireless_nlevent_init(void)
-{
-	return register_pernet_subsys(&wext_pernet_ops);
-}
-
-subsys_initcall(wireless_nlevent_init);
-
-/* Process events generated by the wireless layer or the driver. */
-static void wireless_nlevent_process(struct work_struct *work)
-{
-	struct sk_buff *skb;
-	struct net *net;
-
-	rtnl_lock();
-
-	for_each_net(net) {
-		while ((skb = skb_dequeue(&net->wext_nlevents)))
-			rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL,
-				    GFP_KERNEL);
-	}
-
-	rtnl_unlock();
-}
-
-static DECLARE_WORK(wireless_nlevent_work, wireless_nlevent_process);
-
-static struct nlmsghdr *rtnetlink_ifinfo_prep(struct net_device *dev,
-					      struct sk_buff *skb)
-{
-	struct ifinfomsg *r;
-	struct nlmsghdr  *nlh;
-
-	nlh = nlmsg_put(skb, 0, 0, RTM_NEWLINK, sizeof(*r), 0);
-	if (!nlh)
-		return NULL;
-
-	r = nlmsg_data(nlh);
-	r->ifi_family = AF_UNSPEC;
-	r->__ifi_pad = 0;
-	r->ifi_type = dev->type;
-	r->ifi_index = dev->ifindex;
-	r->ifi_flags = dev_get_flags(dev);
-	r->ifi_change = 0;	/* Wireless changes don't affect those flags */
-
-	NLA_PUT_STRING(skb, IFLA_IFNAME, dev->name);
-
-	return nlh;
- nla_put_failure:
-	nlmsg_cancel(skb, nlh);
-	return NULL;
-}
-
-
-/*
- * Main event dispatcher. Called from other parts and drivers.
- * Send the event on the appropriate channels.
- * May be called from interrupt context.
- */
-void wireless_send_event(struct net_device *	dev,
-			 unsigned int		cmd,
-			 union iwreq_data *	wrqu,
-			 const char *		extra)
-{
-	const struct iw_ioctl_description *	descr = NULL;
-	int extra_len = 0;
-	struct iw_event  *event;		/* Mallocated whole event */
-	int event_len;				/* Its size */
-	int hdr_len;				/* Size of the event header */
-	int wrqu_off = 0;			/* Offset in wrqu */
-	/* Don't "optimise" the following variable, it will crash */
-	unsigned	cmd_index;		/* *MUST* be unsigned */
-	struct sk_buff *skb;
-	struct nlmsghdr *nlh;
-	struct nlattr *nla;
-#ifdef CONFIG_COMPAT
-	struct __compat_iw_event *compat_event;
-	struct compat_iw_point compat_wrqu;
-	struct sk_buff *compskb;
-#endif
-
-	/*
-	 * Nothing in the kernel sends scan events with data, be safe.
-	 * This is necessary because we cannot fix up scan event data
-	 * for compat, due to being contained in 'extra', but normally
-	 * applications are required to retrieve the scan data anyway
-	 * and no data is included in the event, this codifies that
-	 * practice.
-	 */
-	if (WARN_ON(cmd == SIOCGIWSCAN && extra))
-		extra = NULL;
-
-	/* Get the description of the Event */
-	if (cmd <= SIOCIWLAST) {
-		cmd_index = cmd - SIOCIWFIRST;
-		if (cmd_index < standard_ioctl_num)
-			descr = &(standard_ioctl[cmd_index]);
-	} else {
-		cmd_index = cmd - IWEVFIRST;
-		if (cmd_index < standard_event_num)
-			descr = &(standard_event[cmd_index]);
-	}
-	/* Don't accept unknown events */
-	if (descr == NULL) {
-		/* Note : we don't return an error to the driver, because
-		 * the driver would not know what to do about it. It can't
-		 * return an error to the user, because the event is not
-		 * initiated by a user request.
-		 * The best the driver could do is to log an error message.
-		 * We will do it ourselves instead...
-		 */
-		printk(KERN_ERR "%s (WE) : Invalid/Unknown Wireless Event (0x%04X)\n",
-		       dev->name, cmd);
-		return;
-	}
-
-	/* Check extra parameters and set extra_len */
-	if (descr->header_type == IW_HEADER_TYPE_POINT) {
-		/* Check if number of token fits within bounds */
-		if (wrqu->data.length > descr->max_tokens) {
-			printk(KERN_ERR "%s (WE) : Wireless Event too big (%d)\n", dev->name, wrqu->data.length);
-			return;
-		}
-		if (wrqu->data.length < descr->min_tokens) {
-			printk(KERN_ERR "%s (WE) : Wireless Event too small (%d)\n", dev->name, wrqu->data.length);
-			return;
-		}
-		/* Calculate extra_len - extra is NULL for restricted events */
-		if (extra != NULL)
-			extra_len = wrqu->data.length * descr->token_size;
-		/* Always at an offset in wrqu */
-		wrqu_off = IW_EV_POINT_OFF;
-	}
-
-	/* Total length of the event */
-	hdr_len = event_type_size[descr->header_type];
-	event_len = hdr_len + extra_len;
-
-	/*
-	 * The problem for 64/32 bit.
-	 *
-	 * On 64-bit, a regular event is laid out as follows:
-	 *      |  0  |  1  |  2  |  3  |  4  |  5  |  6  |  7  |
-	 *      | event.len | event.cmd |     p a d d i n g     |
-	 *      | wrqu data ... (with the correct size)         |
-	 *
-	 * This padding exists because we manipulate event->u,
-	 * and 'event' is not packed.
-	 *
-	 * An iw_point event is laid out like this instead:
-	 *      |  0  |  1  |  2  |  3  |  4  |  5  |  6  |  7  |
-	 *      | event.len | event.cmd |     p a d d i n g     |
-	 *      | iwpnt.len | iwpnt.flg |     p a d d i n g     |
-	 *      | extra data  ...
-	 *
-	 * The second padding exists because struct iw_point is extended,
-	 * but this depends on the platform...
-	 *
-	 * On 32-bit, all the padding shouldn't be there.
-	 */
-
-	skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
-	if (!skb)
-		return;
-
-	/* Send via the RtNetlink event channel */
-	nlh = rtnetlink_ifinfo_prep(dev, skb);
-	if (WARN_ON(!nlh)) {
-		kfree_skb(skb);
-		return;
-	}
-
-	/* Add the wireless events in the netlink packet */
-	nla = nla_reserve(skb, IFLA_WIRELESS, event_len);
-	if (!nla) {
-		kfree_skb(skb);
-		return;
-	}
-	event = nla_data(nla);
-
-	/* Fill event - first clear to avoid data leaking */
-	memset(event, 0, hdr_len);
-	event->len = event_len;
-	event->cmd = cmd;
-	memcpy(&event->u, ((char *) wrqu) + wrqu_off, hdr_len - IW_EV_LCP_LEN);
-	if (extra_len)
-		memcpy(((char *) event) + hdr_len, extra, extra_len);
-
-	nlmsg_end(skb, nlh);
-#ifdef CONFIG_COMPAT
-	hdr_len = compat_event_type_size[descr->header_type];
-	event_len = hdr_len + extra_len;
-
-	compskb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
-	if (!compskb) {
-		kfree_skb(skb);
-		return;
-	}
-
-	/* Send via the RtNetlink event channel */
-	nlh = rtnetlink_ifinfo_prep(dev, compskb);
-	if (WARN_ON(!nlh)) {
-		kfree_skb(skb);
-		kfree_skb(compskb);
-		return;
-	}
-
-	/* Add the wireless events in the netlink packet */
-	nla = nla_reserve(compskb, IFLA_WIRELESS, event_len);
-	if (!nla) {
-		kfree_skb(skb);
-		kfree_skb(compskb);
-		return;
-	}
-	compat_event = nla_data(nla);
-
-	compat_event->len = event_len;
-	compat_event->cmd = cmd;
-	if (descr->header_type == IW_HEADER_TYPE_POINT) {
-		compat_wrqu.length = wrqu->data.length;
-		compat_wrqu.flags = wrqu->data.flags;
-		memcpy(&compat_event->pointer,
-			((char *) &compat_wrqu) + IW_EV_COMPAT_POINT_OFF,
-			hdr_len - IW_EV_COMPAT_LCP_LEN);
-		if (extra_len)
-			memcpy(((char *) compat_event) + hdr_len,
-				extra, extra_len);
-	} else {
-		/* extra_len must be zero, so no if (extra) needed */
-		memcpy(&compat_event->pointer, wrqu,
-			hdr_len - IW_EV_COMPAT_LCP_LEN);
-	}
-
-	nlmsg_end(compskb, nlh);
-
-	skb_shinfo(skb)->frag_list = compskb;
-#endif
-	skb_queue_tail(&dev_net(dev)->wext_nlevents, skb);
-	schedule_work(&wireless_nlevent_work);
-}
-EXPORT_SYMBOL(wireless_send_event);
-
-/********************** ENHANCED IWSPY SUPPORT **********************/
-/*
- * In the old days, the driver was handling spy support all by itself.
- * Now, the driver can delegate this task to Wireless Extensions.
- * It needs to use those standard spy iw_handler in struct iw_handler_def,
- * push data to us via wireless_spy_update() and include struct iw_spy_data
- * in its private part (and export it in net_device->wireless_data->spy_data).
- * One of the main advantage of centralising spy support here is that
- * it becomes much easier to improve and extend it without having to touch
- * the drivers. One example is the addition of the Spy-Threshold events.
- */
-
-/* ---------------------------------------------------------------- */
-/*
- * Return the pointer to the spy data in the driver.
- * Because this is called on the Rx path via wireless_spy_update(),
- * we want it to be efficient...
- */
-static inline struct iw_spy_data *get_spydata(struct net_device *dev)
-{
-	/* This is the new way */
-	if (dev->wireless_data)
-		return dev->wireless_data->spy_data;
-	return NULL;
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Standard Wireless Handler : set Spy List
- */
-int iw_handler_set_spy(struct net_device *	dev,
-		       struct iw_request_info *	info,
-		       union iwreq_data *	wrqu,
-		       char *			extra)
-{
-	struct iw_spy_data *	spydata = get_spydata(dev);
-	struct sockaddr *	address = (struct sockaddr *) extra;
-
-	/* Make sure driver is not buggy or using the old API */
-	if (!spydata)
-		return -EOPNOTSUPP;
-
-	/* Disable spy collection while we copy the addresses.
-	 * While we copy addresses, any call to wireless_spy_update()
-	 * will NOP. This is OK, as anyway the addresses are changing. */
-	spydata->spy_number = 0;
-
-	/* We want to operate without locking, because wireless_spy_update()
-	 * most likely will happen in the interrupt handler, and therefore
-	 * have its own locking constraints and needs performance.
-	 * The rtnl_lock() make sure we don't race with the other iw_handlers.
-	 * This make sure wireless_spy_update() "see" that the spy list
-	 * is temporarily disabled. */
-	smp_wmb();
-
-	/* Are there are addresses to copy? */
-	if (wrqu->data.length > 0) {
-		int i;
-
-		/* Copy addresses */
-		for (i = 0; i < wrqu->data.length; i++)
-			memcpy(spydata->spy_address[i], address[i].sa_data,
-			       ETH_ALEN);
-		/* Reset stats */
-		memset(spydata->spy_stat, 0,
-		       sizeof(struct iw_quality) * IW_MAX_SPY);
-	}
-
-	/* Make sure above is updated before re-enabling */
-	smp_wmb();
-
-	/* Enable addresses */
-	spydata->spy_number = wrqu->data.length;
-
-	return 0;
-}
-EXPORT_SYMBOL(iw_handler_set_spy);
-
-/*------------------------------------------------------------------*/
-/*
- * Standard Wireless Handler : get Spy List
- */
-int iw_handler_get_spy(struct net_device *	dev,
-		       struct iw_request_info *	info,
-		       union iwreq_data *	wrqu,
-		       char *			extra)
-{
-	struct iw_spy_data *	spydata = get_spydata(dev);
-	struct sockaddr *	address = (struct sockaddr *) extra;
-	int			i;
-
-	/* Make sure driver is not buggy or using the old API */
-	if (!spydata)
-		return -EOPNOTSUPP;
-
-	wrqu->data.length = spydata->spy_number;
-
-	/* Copy addresses. */
-	for (i = 0; i < spydata->spy_number; i++) 	{
-		memcpy(address[i].sa_data, spydata->spy_address[i], ETH_ALEN);
-		address[i].sa_family = AF_UNIX;
-	}
-	/* Copy stats to the user buffer (just after). */
-	if (spydata->spy_number > 0)
-		memcpy(extra  + (sizeof(struct sockaddr) *spydata->spy_number),
-		       spydata->spy_stat,
-		       sizeof(struct iw_quality) * spydata->spy_number);
-	/* Reset updated flags. */
-	for (i = 0; i < spydata->spy_number; i++)
-		spydata->spy_stat[i].updated &= ~IW_QUAL_ALL_UPDATED;
-	return 0;
-}
-EXPORT_SYMBOL(iw_handler_get_spy);
-
-/*------------------------------------------------------------------*/
-/*
- * Standard Wireless Handler : set spy threshold
- */
-int iw_handler_set_thrspy(struct net_device *	dev,
-			  struct iw_request_info *info,
-			  union iwreq_data *	wrqu,
-			  char *		extra)
-{
-	struct iw_spy_data *	spydata = get_spydata(dev);
-	struct iw_thrspy *	threshold = (struct iw_thrspy *) extra;
-
-	/* Make sure driver is not buggy or using the old API */
-	if (!spydata)
-		return -EOPNOTSUPP;
-
-	/* Just do it */
-	memcpy(&(spydata->spy_thr_low), &(threshold->low),
-	       2 * sizeof(struct iw_quality));
-
-	/* Clear flag */
-	memset(spydata->spy_thr_under, '\0', sizeof(spydata->spy_thr_under));
-
-	return 0;
-}
-EXPORT_SYMBOL(iw_handler_set_thrspy);
-
-/*------------------------------------------------------------------*/
-/*
- * Standard Wireless Handler : get spy threshold
- */
-int iw_handler_get_thrspy(struct net_device *	dev,
-			  struct iw_request_info *info,
-			  union iwreq_data *	wrqu,
-			  char *		extra)
-{
-	struct iw_spy_data *	spydata = get_spydata(dev);
-	struct iw_thrspy *	threshold = (struct iw_thrspy *) extra;
-
-	/* Make sure driver is not buggy or using the old API */
-	if (!spydata)
-		return -EOPNOTSUPP;
-
-	/* Just do it */
-	memcpy(&(threshold->low), &(spydata->spy_thr_low),
-	       2 * sizeof(struct iw_quality));
-
-	return 0;
-}
-EXPORT_SYMBOL(iw_handler_get_thrspy);
-
-/*------------------------------------------------------------------*/
-/*
- * Prepare and send a Spy Threshold event
- */
-static void iw_send_thrspy_event(struct net_device *	dev,
-				 struct iw_spy_data *	spydata,
-				 unsigned char *	address,
-				 struct iw_quality *	wstats)
-{
-	union iwreq_data	wrqu;
-	struct iw_thrspy	threshold;
-
-	/* Init */
-	wrqu.data.length = 1;
-	wrqu.data.flags = 0;
-	/* Copy address */
-	memcpy(threshold.addr.sa_data, address, ETH_ALEN);
-	threshold.addr.sa_family = ARPHRD_ETHER;
-	/* Copy stats */
-	memcpy(&(threshold.qual), wstats, sizeof(struct iw_quality));
-	/* Copy also thresholds */
-	memcpy(&(threshold.low), &(spydata->spy_thr_low),
-	       2 * sizeof(struct iw_quality));
-
-	/* Send event to user space */
-	wireless_send_event(dev, SIOCGIWTHRSPY, &wrqu, (char *) &threshold);
-}
-
-/* ---------------------------------------------------------------- */
-/*
- * Call for the driver to update the spy data.
- * For now, the spy data is a simple array. As the size of the array is
- * small, this is good enough. If we wanted to support larger number of
- * spy addresses, we should use something more efficient...
- */
-void wireless_spy_update(struct net_device *	dev,
-			 unsigned char *	address,
-			 struct iw_quality *	wstats)
-{
-	struct iw_spy_data *	spydata = get_spydata(dev);
-	int			i;
-	int			match = -1;
-
-	/* Make sure driver is not buggy or using the old API */
-	if (!spydata)
-		return;
-
-	/* Update all records that match */
-	for (i = 0; i < spydata->spy_number; i++)
-		if (!compare_ether_addr(address, spydata->spy_address[i])) {
-			memcpy(&(spydata->spy_stat[i]), wstats,
-			       sizeof(struct iw_quality));
-			match = i;
-		}
-
-	/* Generate an event if we cross the spy threshold.
-	 * To avoid event storms, we have a simple hysteresis : we generate
-	 * event only when we go under the low threshold or above the
-	 * high threshold. */
-	if (match >= 0) {
-		if (spydata->spy_thr_under[match]) {
-			if (wstats->level > spydata->spy_thr_high.level) {
-				spydata->spy_thr_under[match] = 0;
-				iw_send_thrspy_event(dev, spydata,
-						     address, wstats);
-			}
-		} else {
-			if (wstats->level < spydata->spy_thr_low.level) {
-				spydata->spy_thr_under[match] = 1;
-				iw_send_thrspy_event(dev, spydata,
-						     address, wstats);
-			}
-		}
-	}
-}
-EXPORT_SYMBOL(wireless_spy_update);
diff --git a/net/wireless/wext-priv.c b/net/wireless/wext-priv.c
new file mode 100644
index 00000000000..a3c2277de9e
--- /dev/null
+++ b/net/wireless/wext-priv.c
@@ -0,0 +1,248 @@
+/*
+ * This file implement the Wireless Extensions priv API.
+ *
+ * Authors :	Jean Tourrilhes - HPL - <jt@hpl.hp.com>
+ * Copyright (c) 1997-2007 Jean Tourrilhes, All Rights Reserved.
+ * Copyright	2009 Johannes Berg <johannes@sipsolutions.net>
+ *
+ * (As all part of the Linux kernel, this file is GPL)
+ */
+#include <linux/wireless.h>
+#include <linux/netdevice.h>
+#include <net/iw_handler.h>
+#include <net/wext.h>
+
+int iw_handler_get_private(struct net_device *		dev,
+			   struct iw_request_info *	info,
+			   union iwreq_data *		wrqu,
+			   char *			extra)
+{
+	/* Check if the driver has something to export */
+	if ((dev->wireless_handlers->num_private_args == 0) ||
+	   (dev->wireless_handlers->private_args == NULL))
+		return -EOPNOTSUPP;
+
+	/* Check if there is enough buffer up there */
+	if (wrqu->data.length < dev->wireless_handlers->num_private_args) {
+		/* User space can't know in advance how large the buffer
+		 * needs to be. Give it a hint, so that we can support
+		 * any size buffer we want somewhat efficiently... */
+		wrqu->data.length = dev->wireless_handlers->num_private_args;
+		return -E2BIG;
+	}
+
+	/* Set the number of available ioctls. */
+	wrqu->data.length = dev->wireless_handlers->num_private_args;
+
+	/* Copy structure to the user buffer. */
+	memcpy(extra, dev->wireless_handlers->private_args,
+	       sizeof(struct iw_priv_args) * wrqu->data.length);
+
+	return 0;
+}
+
+/* Size (in bytes) of the various private data types */
+static const char iw_priv_type_size[] = {
+	0,				/* IW_PRIV_TYPE_NONE */
+	1,				/* IW_PRIV_TYPE_BYTE */
+	1,				/* IW_PRIV_TYPE_CHAR */
+	0,				/* Not defined */
+	sizeof(__u32),			/* IW_PRIV_TYPE_INT */
+	sizeof(struct iw_freq),		/* IW_PRIV_TYPE_FLOAT */
+	sizeof(struct sockaddr),	/* IW_PRIV_TYPE_ADDR */
+	0,				/* Not defined */
+};
+
+static int get_priv_size(__u16 args)
+{
+	int	num = args & IW_PRIV_SIZE_MASK;
+	int	type = (args & IW_PRIV_TYPE_MASK) >> 12;
+
+	return num * iw_priv_type_size[type];
+}
+
+static int adjust_priv_size(__u16 args, struct iw_point *iwp)
+{
+	int	num = iwp->length;
+	int	max = args & IW_PRIV_SIZE_MASK;
+	int	type = (args & IW_PRIV_TYPE_MASK) >> 12;
+
+	/* Make sure the driver doesn't goof up */
+	if (max < num)
+		num = max;
+
+	return num * iw_priv_type_size[type];
+}
+
+/*
+ * Wrapper to call a private Wireless Extension handler.
+ * We do various checks and also take care of moving data between
+ * user space and kernel space.
+ * It's not as nice and slimline as the standard wrapper. The cause
+ * is struct iw_priv_args, which was not really designed for the
+ * job we are going here.
+ *
+ * IMPORTANT : This function prevent to set and get data on the same
+ * IOCTL and enforce the SET/GET convention. Not doing it would be
+ * far too hairy...
+ * If you need to set and get data at the same time, please don't use
+ * a iw_handler but process it in your ioctl handler (i.e. use the
+ * old driver API).
+ */
+static int get_priv_descr_and_size(struct net_device *dev, unsigned int cmd,
+				   const struct iw_priv_args **descrp)
+{
+	const struct iw_priv_args *descr;
+	int i, extra_size;
+
+	descr = NULL;
+	for (i = 0; i < dev->wireless_handlers->num_private_args; i++) {
+		if (cmd == dev->wireless_handlers->private_args[i].cmd) {
+			descr = &dev->wireless_handlers->private_args[i];
+			break;
+		}
+	}
+
+	extra_size = 0;
+	if (descr) {
+		if (IW_IS_SET(cmd)) {
+			int	offset = 0;	/* For sub-ioctls */
+			/* Check for sub-ioctl handler */
+			if (descr->name[0] == '\0')
+				/* Reserve one int for sub-ioctl index */
+				offset = sizeof(__u32);
+
+			/* Size of set arguments */
+			extra_size = get_priv_size(descr->set_args);
+
+			/* Does it fits in iwr ? */
+			if ((descr->set_args & IW_PRIV_SIZE_FIXED) &&
+			   ((extra_size + offset) <= IFNAMSIZ))
+				extra_size = 0;
+		} else {
+			/* Size of get arguments */
+			extra_size = get_priv_size(descr->get_args);
+
+			/* Does it fits in iwr ? */
+			if ((descr->get_args & IW_PRIV_SIZE_FIXED) &&
+			   (extra_size <= IFNAMSIZ))
+				extra_size = 0;
+		}
+	}
+	*descrp = descr;
+	return extra_size;
+}
+
+static int ioctl_private_iw_point(struct iw_point *iwp, unsigned int cmd,
+				  const struct iw_priv_args *descr,
+				  iw_handler handler, struct net_device *dev,
+				  struct iw_request_info *info, int extra_size)
+{
+	char *extra;
+	int err;
+
+	/* Check what user space is giving us */
+	if (IW_IS_SET(cmd)) {
+		if (!iwp->pointer && iwp->length != 0)
+			return -EFAULT;
+
+		if (iwp->length > (descr->set_args & IW_PRIV_SIZE_MASK))
+			return -E2BIG;
+	} else if (!iwp->pointer)
+		return -EFAULT;
+
+	extra = kmalloc(extra_size, GFP_KERNEL);
+	if (!extra)
+		return -ENOMEM;
+
+	/* If it is a SET, get all the extra data in here */
+	if (IW_IS_SET(cmd) && (iwp->length != 0)) {
+		if (copy_from_user(extra, iwp->pointer, extra_size)) {
+			err = -EFAULT;
+			goto out;
+		}
+	}
+
+	/* Call the handler */
+	err = handler(dev, info, (union iwreq_data *) iwp, extra);
+
+	/* If we have something to return to the user */
+	if (!err && IW_IS_GET(cmd)) {
+		/* Adjust for the actual length if it's variable,
+		 * avoid leaking kernel bits outside.
+		 */
+		if (!(descr->get_args & IW_PRIV_SIZE_FIXED))
+			extra_size = adjust_priv_size(descr->get_args, iwp);
+
+		if (copy_to_user(iwp->pointer, extra, extra_size))
+			err =  -EFAULT;
+	}
+
+out:
+	kfree(extra);
+	return err;
+}
+
+int ioctl_private_call(struct net_device *dev, struct iwreq *iwr,
+		       unsigned int cmd, struct iw_request_info *info,
+		       iw_handler handler)
+{
+	int extra_size = 0, ret = -EINVAL;
+	const struct iw_priv_args *descr;
+
+	extra_size = get_priv_descr_and_size(dev, cmd, &descr);
+
+	/* Check if we have a pointer to user space data or not. */
+	if (extra_size == 0) {
+		/* No extra arguments. Trivial to handle */
+		ret = handler(dev, info, &(iwr->u), (char *) &(iwr->u));
+	} else {
+		ret = ioctl_private_iw_point(&iwr->u.data, cmd, descr,
+					     handler, dev, info, extra_size);
+	}
+
+	/* Call commit handler if needed and defined */
+	if (ret == -EIWCOMMIT)
+		ret = call_commit_handler(dev);
+
+	return ret;
+}
+
+#ifdef CONFIG_COMPAT
+int compat_private_call(struct net_device *dev, struct iwreq *iwr,
+			unsigned int cmd, struct iw_request_info *info,
+			iw_handler handler)
+{
+	const struct iw_priv_args *descr;
+	int ret, extra_size;
+
+	extra_size = get_priv_descr_and_size(dev, cmd, &descr);
+
+	/* Check if we have a pointer to user space data or not. */
+	if (extra_size == 0) {
+		/* No extra arguments. Trivial to handle */
+		ret = handler(dev, info, &(iwr->u), (char *) &(iwr->u));
+	} else {
+		struct compat_iw_point *iwp_compat;
+		struct iw_point iwp;
+
+		iwp_compat = (struct compat_iw_point *) &iwr->u.data;
+		iwp.pointer = compat_ptr(iwp_compat->pointer);
+		iwp.length = iwp_compat->length;
+		iwp.flags = iwp_compat->flags;
+
+		ret = ioctl_private_iw_point(&iwp, cmd, descr,
+					     handler, dev, info, extra_size);
+
+		iwp_compat->pointer = ptr_to_compat(iwp.pointer);
+		iwp_compat->length = iwp.length;
+		iwp_compat->flags = iwp.flags;
+	}
+
+	/* Call commit handler if needed and defined */
+	if (ret == -EIWCOMMIT)
+		ret = call_commit_handler(dev);
+
+	return ret;
+}
+#endif
diff --git a/net/wireless/wext-proc.c b/net/wireless/wext-proc.c
new file mode 100644
index 00000000000..273a7f77c83
--- /dev/null
+++ b/net/wireless/wext-proc.c
@@ -0,0 +1,155 @@
+/*
+ * This file implement the Wireless Extensions proc API.
+ *
+ * Authors :	Jean Tourrilhes - HPL - <jt@hpl.hp.com>
+ * Copyright (c) 1997-2007 Jean Tourrilhes, All Rights Reserved.
+ *
+ * (As all part of the Linux kernel, this file is GPL)
+ */
+
+/*
+ * The /proc/net/wireless file is a human readable user-space interface
+ * exporting various wireless specific statistics from the wireless devices.
+ * This is the most popular part of the Wireless Extensions ;-)
+ *
+ * This interface is a pure clone of /proc/net/dev (in net/core/dev.c).
+ * The content of the file is basically the content of "struct iw_statistics".
+ */
+
+#include <linux/module.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+#include <linux/wireless.h>
+#include <linux/netdevice.h>
+#include <linux/rtnetlink.h>
+#include <net/iw_handler.h>
+#include <net/wext.h>
+
+
+static void wireless_seq_printf_stats(struct seq_file *seq,
+				      struct net_device *dev)
+{
+	/* Get stats from the driver */
+	struct iw_statistics *stats = get_wireless_stats(dev);
+	static struct iw_statistics nullstats = {};
+
+	/* show device if it's wireless regardless of current stats */
+	if (!stats) {
+#ifdef CONFIG_WIRELESS_EXT
+		if (dev->wireless_handlers)
+			stats = &nullstats;
+#endif
+#ifdef CONFIG_CFG80211
+		if (dev->ieee80211_ptr)
+			stats = &nullstats;
+#endif
+	}
+
+	if (stats) {
+		seq_printf(seq, "%6s: %04x  %3d%c  %3d%c  %3d%c  %6d %6d %6d "
+				"%6d %6d   %6d\n",
+			   dev->name, stats->status, stats->qual.qual,
+			   stats->qual.updated & IW_QUAL_QUAL_UPDATED
+			   ? '.' : ' ',
+			   ((__s32) stats->qual.level) -
+			   ((stats->qual.updated & IW_QUAL_DBM) ? 0x100 : 0),
+			   stats->qual.updated & IW_QUAL_LEVEL_UPDATED
+			   ? '.' : ' ',
+			   ((__s32) stats->qual.noise) -
+			   ((stats->qual.updated & IW_QUAL_DBM) ? 0x100 : 0),
+			   stats->qual.updated & IW_QUAL_NOISE_UPDATED
+			   ? '.' : ' ',
+			   stats->discard.nwid, stats->discard.code,
+			   stats->discard.fragment, stats->discard.retries,
+			   stats->discard.misc, stats->miss.beacon);
+
+		if (stats != &nullstats)
+			stats->qual.updated &= ~IW_QUAL_ALL_UPDATED;
+	}
+}
+
+/* ---------------------------------------------------------------- */
+/*
+ * Print info for /proc/net/wireless (print all entries)
+ */
+static int wireless_dev_seq_show(struct seq_file *seq, void *v)
+{
+	might_sleep();
+
+	if (v == SEQ_START_TOKEN)
+		seq_printf(seq, "Inter-| sta-|   Quality        |   Discarded "
+				"packets               | Missed | WE\n"
+				" face | tus | link level noise |  nwid  "
+				"crypt   frag  retry   misc | beacon | %d\n",
+			   WIRELESS_EXT);
+	else
+		wireless_seq_printf_stats(seq, v);
+	return 0;
+}
+
+static void *wireless_dev_seq_start(struct seq_file *seq, loff_t *pos)
+{
+	struct net *net = seq_file_net(seq);
+	loff_t off;
+	struct net_device *dev;
+
+	rtnl_lock();
+	if (!*pos)
+		return SEQ_START_TOKEN;
+
+	off = 1;
+	for_each_netdev(net, dev)
+		if (off++ == *pos)
+			return dev;
+	return NULL;
+}
+
+static void *wireless_dev_seq_next(struct seq_file *seq, void *v, loff_t *pos)
+{
+	struct net *net = seq_file_net(seq);
+
+	++*pos;
+
+	return v == SEQ_START_TOKEN ?
+		first_net_device(net) : next_net_device(v);
+}
+
+static void wireless_dev_seq_stop(struct seq_file *seq, void *v)
+{
+	rtnl_unlock();
+}
+
+static const struct seq_operations wireless_seq_ops = {
+	.start = wireless_dev_seq_start,
+	.next  = wireless_dev_seq_next,
+	.stop  = wireless_dev_seq_stop,
+	.show  = wireless_dev_seq_show,
+};
+
+static int seq_open_wireless(struct inode *inode, struct file *file)
+{
+	return seq_open_net(inode, file, &wireless_seq_ops,
+			    sizeof(struct seq_net_private));
+}
+
+static const struct file_operations wireless_seq_fops = {
+	.owner	 = THIS_MODULE,
+	.open    = seq_open_wireless,
+	.read    = seq_read,
+	.llseek  = seq_lseek,
+	.release = seq_release_net,
+};
+
+int wext_proc_init(struct net *net)
+{
+	/* Create /proc/net/wireless entry */
+	if (!proc_net_fops_create(net, "wireless", S_IRUGO, &wireless_seq_fops))
+		return -ENOMEM;
+
+	return 0;
+}
+
+void wext_proc_exit(struct net *net)
+{
+	proc_net_remove(net, "wireless");
+}
diff --git a/net/wireless/wext-spy.c b/net/wireless/wext-spy.c
new file mode 100644
index 00000000000..6dcfe65a2d1
--- /dev/null
+++ b/net/wireless/wext-spy.c
@@ -0,0 +1,231 @@
+/*
+ * This file implement the Wireless Extensions spy API.
+ *
+ * Authors :	Jean Tourrilhes - HPL - <jt@hpl.hp.com>
+ * Copyright (c) 1997-2007 Jean Tourrilhes, All Rights Reserved.
+ *
+ * (As all part of the Linux kernel, this file is GPL)
+ */
+
+#include <linux/wireless.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <net/iw_handler.h>
+#include <net/arp.h>
+#include <net/wext.h>
+
+static inline struct iw_spy_data *get_spydata(struct net_device *dev)
+{
+	/* This is the new way */
+	if (dev->wireless_data)
+		return dev->wireless_data->spy_data;
+	return NULL;
+}
+
+int iw_handler_set_spy(struct net_device *	dev,
+		       struct iw_request_info *	info,
+		       union iwreq_data *	wrqu,
+		       char *			extra)
+{
+	struct iw_spy_data *	spydata = get_spydata(dev);
+	struct sockaddr *	address = (struct sockaddr *) extra;
+
+	/* Make sure driver is not buggy or using the old API */
+	if (!spydata)
+		return -EOPNOTSUPP;
+
+	/* Disable spy collection while we copy the addresses.
+	 * While we copy addresses, any call to wireless_spy_update()
+	 * will NOP. This is OK, as anyway the addresses are changing. */
+	spydata->spy_number = 0;
+
+	/* We want to operate without locking, because wireless_spy_update()
+	 * most likely will happen in the interrupt handler, and therefore
+	 * have its own locking constraints and needs performance.
+	 * The rtnl_lock() make sure we don't race with the other iw_handlers.
+	 * This make sure wireless_spy_update() "see" that the spy list
+	 * is temporarily disabled. */
+	smp_wmb();
+
+	/* Are there are addresses to copy? */
+	if (wrqu->data.length > 0) {
+		int i;
+
+		/* Copy addresses */
+		for (i = 0; i < wrqu->data.length; i++)
+			memcpy(spydata->spy_address[i], address[i].sa_data,
+			       ETH_ALEN);
+		/* Reset stats */
+		memset(spydata->spy_stat, 0,
+		       sizeof(struct iw_quality) * IW_MAX_SPY);
+	}
+
+	/* Make sure above is updated before re-enabling */
+	smp_wmb();
+
+	/* Enable addresses */
+	spydata->spy_number = wrqu->data.length;
+
+	return 0;
+}
+EXPORT_SYMBOL(iw_handler_set_spy);
+
+int iw_handler_get_spy(struct net_device *	dev,
+		       struct iw_request_info *	info,
+		       union iwreq_data *	wrqu,
+		       char *			extra)
+{
+	struct iw_spy_data *	spydata = get_spydata(dev);
+	struct sockaddr *	address = (struct sockaddr *) extra;
+	int			i;
+
+	/* Make sure driver is not buggy or using the old API */
+	if (!spydata)
+		return -EOPNOTSUPP;
+
+	wrqu->data.length = spydata->spy_number;
+
+	/* Copy addresses. */
+	for (i = 0; i < spydata->spy_number; i++) 	{
+		memcpy(address[i].sa_data, spydata->spy_address[i], ETH_ALEN);
+		address[i].sa_family = AF_UNIX;
+	}
+	/* Copy stats to the user buffer (just after). */
+	if (spydata->spy_number > 0)
+		memcpy(extra  + (sizeof(struct sockaddr) *spydata->spy_number),
+		       spydata->spy_stat,
+		       sizeof(struct iw_quality) * spydata->spy_number);
+	/* Reset updated flags. */
+	for (i = 0; i < spydata->spy_number; i++)
+		spydata->spy_stat[i].updated &= ~IW_QUAL_ALL_UPDATED;
+	return 0;
+}
+EXPORT_SYMBOL(iw_handler_get_spy);
+
+/*------------------------------------------------------------------*/
+/*
+ * Standard Wireless Handler : set spy threshold
+ */
+int iw_handler_set_thrspy(struct net_device *	dev,
+			  struct iw_request_info *info,
+			  union iwreq_data *	wrqu,
+			  char *		extra)
+{
+	struct iw_spy_data *	spydata = get_spydata(dev);
+	struct iw_thrspy *	threshold = (struct iw_thrspy *) extra;
+
+	/* Make sure driver is not buggy or using the old API */
+	if (!spydata)
+		return -EOPNOTSUPP;
+
+	/* Just do it */
+	memcpy(&(spydata->spy_thr_low), &(threshold->low),
+	       2 * sizeof(struct iw_quality));
+
+	/* Clear flag */
+	memset(spydata->spy_thr_under, '\0', sizeof(spydata->spy_thr_under));
+
+	return 0;
+}
+EXPORT_SYMBOL(iw_handler_set_thrspy);
+
+/*------------------------------------------------------------------*/
+/*
+ * Standard Wireless Handler : get spy threshold
+ */
+int iw_handler_get_thrspy(struct net_device *	dev,
+			  struct iw_request_info *info,
+			  union iwreq_data *	wrqu,
+			  char *		extra)
+{
+	struct iw_spy_data *	spydata = get_spydata(dev);
+	struct iw_thrspy *	threshold = (struct iw_thrspy *) extra;
+
+	/* Make sure driver is not buggy or using the old API */
+	if (!spydata)
+		return -EOPNOTSUPP;
+
+	/* Just do it */
+	memcpy(&(threshold->low), &(spydata->spy_thr_low),
+	       2 * sizeof(struct iw_quality));
+
+	return 0;
+}
+EXPORT_SYMBOL(iw_handler_get_thrspy);
+
+/*------------------------------------------------------------------*/
+/*
+ * Prepare and send a Spy Threshold event
+ */
+static void iw_send_thrspy_event(struct net_device *	dev,
+				 struct iw_spy_data *	spydata,
+				 unsigned char *	address,
+				 struct iw_quality *	wstats)
+{
+	union iwreq_data	wrqu;
+	struct iw_thrspy	threshold;
+
+	/* Init */
+	wrqu.data.length = 1;
+	wrqu.data.flags = 0;
+	/* Copy address */
+	memcpy(threshold.addr.sa_data, address, ETH_ALEN);
+	threshold.addr.sa_family = ARPHRD_ETHER;
+	/* Copy stats */
+	memcpy(&(threshold.qual), wstats, sizeof(struct iw_quality));
+	/* Copy also thresholds */
+	memcpy(&(threshold.low), &(spydata->spy_thr_low),
+	       2 * sizeof(struct iw_quality));
+
+	/* Send event to user space */
+	wireless_send_event(dev, SIOCGIWTHRSPY, &wrqu, (char *) &threshold);
+}
+
+/* ---------------------------------------------------------------- */
+/*
+ * Call for the driver to update the spy data.
+ * For now, the spy data is a simple array. As the size of the array is
+ * small, this is good enough. If we wanted to support larger number of
+ * spy addresses, we should use something more efficient...
+ */
+void wireless_spy_update(struct net_device *	dev,
+			 unsigned char *	address,
+			 struct iw_quality *	wstats)
+{
+	struct iw_spy_data *	spydata = get_spydata(dev);
+	int			i;
+	int			match = -1;
+
+	/* Make sure driver is not buggy or using the old API */
+	if (!spydata)
+		return;
+
+	/* Update all records that match */
+	for (i = 0; i < spydata->spy_number; i++)
+		if (!compare_ether_addr(address, spydata->spy_address[i])) {
+			memcpy(&(spydata->spy_stat[i]), wstats,
+			       sizeof(struct iw_quality));
+			match = i;
+		}
+
+	/* Generate an event if we cross the spy threshold.
+	 * To avoid event storms, we have a simple hysteresis : we generate
+	 * event only when we go under the low threshold or above the
+	 * high threshold. */
+	if (match >= 0) {
+		if (spydata->spy_thr_under[match]) {
+			if (wstats->level > spydata->spy_thr_high.level) {
+				spydata->spy_thr_under[match] = 0;
+				iw_send_thrspy_event(dev, spydata,
+						     address, wstats);
+			}
+		} else {
+			if (wstats->level < spydata->spy_thr_low.level) {
+				spydata->spy_thr_under[match] = 1;
+				iw_send_thrspy_event(dev, spydata,
+						     address, wstats);
+			}
+		}
+	}
+}
+EXPORT_SYMBOL(wireless_spy_update);
-- 
GitLab


From 125b181aec7a67c71234284ecf6d9c729d05deda Mon Sep 17 00:00:00 2001
From: Larry Finger <Larry.Finger@lwfinger.net>
Date: Thu, 1 Oct 2009 13:22:27 -0500
Subject: [PATCH 0149/1815] staging: Add proper selection of WIRELESS_EXT and
 WEXT_PRIV

After the incorporation of the patch entitled "wext: refactor", some
of the wireless drivers in drivers/staging fail to build because they
need to have CONFIG_WIRELESS_EXT and CONFIG_WEXT_PRIV defined.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/staging/rtl8187se/Kconfig | 3 ++-
 drivers/staging/rtl8192e/Kconfig  | 3 ++-
 drivers/staging/vt6655/Kconfig    | 4 +++-
 drivers/staging/vt6656/Kconfig    | 4 +++-
 4 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/rtl8187se/Kconfig b/drivers/staging/rtl8187se/Kconfig
index 236e4272544..faf6c608741 100644
--- a/drivers/staging/rtl8187se/Kconfig
+++ b/drivers/staging/rtl8187se/Kconfig
@@ -1,6 +1,7 @@
 config RTL8187SE
 	tristate "RealTek RTL8187SE Wireless LAN NIC driver"
 	depends on PCI
-	depends on WIRELESS_EXT
+	select WIRELESS_EXT
+	select WEXT_PRIV
 	default N
 	---help---
diff --git a/drivers/staging/rtl8192e/Kconfig b/drivers/staging/rtl8192e/Kconfig
index 3100aa58c94..5c077b9fdc7 100644
--- a/drivers/staging/rtl8192e/Kconfig
+++ b/drivers/staging/rtl8192e/Kconfig
@@ -1,6 +1,7 @@
 config RTL8192E
 	tristate "RealTek RTL8192E Wireless LAN NIC driver"
 	depends on PCI
-	depends on WIRELESS_EXT
+	select WIRELESS_EXT
+	select WEXT_PRIV
 	default N
 	---help---
diff --git a/drivers/staging/vt6655/Kconfig b/drivers/staging/vt6655/Kconfig
index 9bec95adcce..825bbc4fc3f 100644
--- a/drivers/staging/vt6655/Kconfig
+++ b/drivers/staging/vt6655/Kconfig
@@ -1,6 +1,8 @@
 config VT6655
    tristate "VIA Technologies VT6655 support"
-   depends on WIRELESS_EXT && PCI
+   depends on PCI
+   select WIRELESS_EXT
+   select WEXT_PRIV
    ---help---
    This is a vendor-written driver for VIA VT6655.
 
diff --git a/drivers/staging/vt6656/Kconfig b/drivers/staging/vt6656/Kconfig
index 3165f2c4207..87bcd269310 100644
--- a/drivers/staging/vt6656/Kconfig
+++ b/drivers/staging/vt6656/Kconfig
@@ -1,6 +1,8 @@
 config VT6656
 	tristate "VIA Technologies VT6656 support"
-	depends on WIRELESS_EXT && USB
+	depends on USB
+	select WIRELESS_EXT
+	select WEXT_PRIV
 	---help---
 	This is a vendor-written driver for VIA VT6656.
 
-- 
GitLab


From 4912545472d71e3dd546b18b397aec4c89fd7403 Mon Sep 17 00:00:00 2001
From: Amitkumar Karwar <akarwar@marvell.com>
Date: Wed, 30 Sep 2009 20:04:38 -0700
Subject: [PATCH 0150/1815] libertas: Add auto deep sleep support for
 SD8385/SD8686/SD8688

Add timer based auto deep sleep feature in libertas driver which can be
configured using iwconfig command. This is tested on SD8688, SD8686 cards
with firmware versions 10.38.1.p25, 9.70.4.p0 respectively on 32-bit and 64-bit
platforms. Tests have been done for USB/CS cards to make sure that the patch
won't break USB/CS code. We didn't test the if_spi driver.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/README    |  26 +++-
 drivers/net/wireless/libertas/cmd.c     |  72 ++++++++-
 drivers/net/wireless/libertas/cmdresp.c |  12 ++
 drivers/net/wireless/libertas/debugfs.c |  46 ++++++
 drivers/net/wireless/libertas/decl.h    |   4 +
 drivers/net/wireless/libertas/dev.h     |  18 +++
 drivers/net/wireless/libertas/host.h    |   1 +
 drivers/net/wireless/libertas/if_cs.c   |   3 +
 drivers/net/wireless/libertas/if_sdio.c |  56 +++++++
 drivers/net/wireless/libertas/if_sdio.h |   3 +-
 drivers/net/wireless/libertas/if_spi.c  |   3 +
 drivers/net/wireless/libertas/if_usb.c  |   3 +
 drivers/net/wireless/libertas/main.c    | 111 ++++++++++++--
 drivers/net/wireless/libertas/scan.c    |  11 ++
 drivers/net/wireless/libertas/wext.c    | 185 +++++++++++++++++++++++-
 15 files changed, 533 insertions(+), 21 deletions(-)

diff --git a/drivers/net/wireless/libertas/README b/drivers/net/wireless/libertas/README
index ab6a2d518af..2726c044430 100644
--- a/drivers/net/wireless/libertas/README
+++ b/drivers/net/wireless/libertas/README
@@ -1,5 +1,5 @@
 ================================================================================
-			README for USB8388
+			README for Libertas
 
  (c) Copyright © 2003-2006, Marvell International Ltd.
  All Rights Reserved
@@ -226,4 +226,28 @@ setuserscan
     All entries in the scan table (not just the new scan data when keep=1)
     will be displayed upon completion by use of the getscantable ioctl.
 
+========================
+IWCONFIG COMMANDS
+========================
+power period
+
+	This command is used to configure the station in deep sleep mode /
+	auto deep sleep mode.
+
+	The timer is implemented to monitor the activities (command, event,
+	etc.). When an activity is detected station will exit from deep
+	sleep mode automatically and restart the timer. At timer expiry
+	(no activity for defined time period) the deep sleep mode is entered
+	automatically.
+
+	Note: this command is for SDIO interface only.
+
+	Usage:
+	To enable deep sleep mode do:
+		iwconfig wlan0 power period 0
+	To enable auto deep sleep mode with idle time period 5 seconds do:
+		iwconfig wlan0 power period 5
+	To disable deep sleep/auto deep sleep mode do:
+		iwconfig wlan0 power period -1
+
 ==============================================================================
diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index 685098148e1..3a3e8947e84 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -17,7 +17,6 @@
 
 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv);
 
-
 /**
  *  @brief Simple callback that copies response back into command
  *
@@ -319,6 +318,60 @@ int lbs_cmd_802_11_sleep_params(struct lbs_private *priv, uint16_t cmd_action,
 	return 0;
 }
 
+static int lbs_wait_for_ds_awake(struct lbs_private *priv)
+{
+	int ret = 0;
+
+	lbs_deb_enter(LBS_DEB_CMD);
+
+	if (priv->is_deep_sleep) {
+		if (!wait_event_interruptible_timeout(priv->ds_awake_q,
+					!priv->is_deep_sleep, (10 * HZ))) {
+			lbs_pr_err("ds_awake_q: timer expired\n");
+			ret = -1;
+		}
+	}
+
+	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+	return ret;
+}
+
+int lbs_set_deep_sleep(struct lbs_private *priv, int deep_sleep)
+{
+	int ret =  0;
+
+	lbs_deb_enter(LBS_DEB_CMD);
+
+	if (deep_sleep) {
+		if (priv->is_deep_sleep != 1) {
+			lbs_deb_cmd("deep sleep: sleep\n");
+			BUG_ON(!priv->enter_deep_sleep);
+			ret = priv->enter_deep_sleep(priv);
+			if (!ret) {
+				netif_stop_queue(priv->dev);
+				netif_carrier_off(priv->dev);
+			}
+		} else {
+			lbs_pr_err("deep sleep: already enabled\n");
+		}
+	} else {
+		if (priv->is_deep_sleep) {
+			lbs_deb_cmd("deep sleep: wakeup\n");
+			BUG_ON(!priv->exit_deep_sleep);
+			ret = priv->exit_deep_sleep(priv);
+			if (!ret) {
+				ret = lbs_wait_for_ds_awake(priv);
+				if (ret)
+					lbs_pr_err("deep sleep: wakeup"
+							"failed\n");
+			}
+		}
+	}
+
+	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+	return ret;
+}
+
 int lbs_cmd_802_11_set_wep(struct lbs_private *priv, uint16_t cmd_action,
 			   struct assoc_request *assoc)
 {
@@ -1242,8 +1295,17 @@ static void lbs_submit_command(struct lbs_private *priv,
 		timeo = HZ/4;
 	}
 
-	/* Setup the timer after transmit command */
-	mod_timer(&priv->command_timer, jiffies + timeo);
+	if (command == CMD_802_11_DEEP_SLEEP) {
+		if (priv->is_auto_deep_sleep_enabled) {
+			priv->wakeup_dev_required = 1;
+			priv->dnld_sent = 0;
+		}
+		priv->is_deep_sleep = 1;
+		lbs_complete_command(priv, cmdnode, 0);
+	} else {
+		/* Setup the timer after transmit command */
+		mod_timer(&priv->command_timer, jiffies + timeo);
+	}
 
 	lbs_deb_leave(LBS_DEB_HOST);
 }
@@ -1505,6 +1567,10 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
 	case CMD_802_11_BEACON_CTRL:
 		ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
 		break;
+	case CMD_802_11_DEEP_SLEEP:
+		cmdptr->command = cpu_to_le16(CMD_802_11_DEEP_SLEEP);
+		cmdptr->size = cpu_to_le16(S_DS_GEN);
+		break;
 	default:
 		lbs_pr_err("PREP_CMD: unknown command 0x%04x\n", cmd_no);
 		ret = -1;
diff --git a/drivers/net/wireless/libertas/cmdresp.c b/drivers/net/wireless/libertas/cmdresp.c
index c42d3faa266..47d2b1909d6 100644
--- a/drivers/net/wireless/libertas/cmdresp.c
+++ b/drivers/net/wireless/libertas/cmdresp.c
@@ -504,9 +504,21 @@ int lbs_process_event(struct lbs_private *priv, u32 event)
 
 	case MACREG_INT_CODE_HOST_AWAKE:
 		lbs_deb_cmd("EVENT: host awake\n");
+		if (priv->reset_deep_sleep_wakeup)
+			priv->reset_deep_sleep_wakeup(priv);
+		priv->is_deep_sleep = 0;
 		lbs_send_confirmwake(priv);
 		break;
 
+	case MACREG_INT_CODE_DEEP_SLEEP_AWAKE:
+		if (priv->reset_deep_sleep_wakeup)
+			priv->reset_deep_sleep_wakeup(priv);
+		lbs_deb_cmd("EVENT: ds awake\n");
+		priv->is_deep_sleep = 0;
+		priv->wakeup_dev_required = 0;
+		wake_up_interruptible(&priv->ds_awake_q);
+		break;
+
 	case MACREG_INT_CODE_PS_AWAKE:
 		lbs_deb_cmd("EVENT: ps awake\n");
 		/* handle unexpected PS AWAKE event */
diff --git a/drivers/net/wireless/libertas/debugfs.c b/drivers/net/wireless/libertas/debugfs.c
index 893a55ca344..8a7e9319c9e 100644
--- a/drivers/net/wireless/libertas/debugfs.c
+++ b/drivers/net/wireless/libertas/debugfs.c
@@ -117,6 +117,11 @@ static ssize_t lbs_sleepparams_write(struct file *file,
 	if (!buf)
 		return -ENOMEM;
 
+	if (!lbs_is_cmd_allowed(priv)) {
+		ret = -EBUSY;
+		goto out_unlock;
+	}
+
 	buf_size = min(count, len - 1);
 	if (copy_from_user(buf, user_buf, buf_size)) {
 		ret = -EFAULT;
@@ -157,6 +162,11 @@ static ssize_t lbs_sleepparams_read(struct file *file, char __user *userbuf,
 	if (!buf)
 		return -ENOMEM;
 
+	if (!lbs_is_cmd_allowed(priv)) {
+		ret = -EBUSY;
+		goto out_unlock;
+	}
+
 	ret = lbs_cmd_802_11_sleep_params(priv, CMD_ACT_GET, &sp);
 	if (ret)
 		goto out_unlock;
@@ -223,6 +233,9 @@ static ssize_t lbs_threshold_read(uint16_t tlv_type, uint16_t event_mask,
 	u8 freq;
 	int events = 0;
 
+	if (!lbs_is_cmd_allowed(priv))
+		return -EBUSY;
+
 	buf = (char *)get_zeroed_page(GFP_KERNEL);
 	if (!buf)
 		return -ENOMEM;
@@ -275,6 +288,9 @@ static ssize_t lbs_threshold_write(uint16_t tlv_type, uint16_t event_mask,
 	char *buf;
 	int ret;
 
+	if (!lbs_is_cmd_allowed(priv))
+		return -EBUSY;
+
 	buf = (char *)get_zeroed_page(GFP_KERNEL);
 	if (!buf)
 		return -ENOMEM;
@@ -444,6 +460,11 @@ static ssize_t lbs_rdmac_read(struct file *file, char __user *userbuf,
 	if (!buf)
 		return -ENOMEM;
 
+	if (!lbs_is_cmd_allowed(priv)) {
+		free_page(addr);
+		return -EBUSY;
+	}
+
 	offval.offset = priv->mac_offset;
 	offval.value = 0;
 
@@ -496,6 +517,11 @@ static ssize_t lbs_wrmac_write(struct file *file,
 	if (!buf)
 		return -ENOMEM;
 
+	if (!lbs_is_cmd_allowed(priv)) {
+		res = -EBUSY;
+		goto out_unlock;
+	}
+
 	buf_size = min(count, len - 1);
 	if (copy_from_user(buf, userbuf, buf_size)) {
 		res = -EFAULT;
@@ -532,6 +558,11 @@ static ssize_t lbs_rdbbp_read(struct file *file, char __user *userbuf,
 	if (!buf)
 		return -ENOMEM;
 
+	if (!lbs_is_cmd_allowed(priv)) {
+		free_page(addr);
+		return -EBUSY;
+	}
+
 	offval.offset = priv->bbp_offset;
 	offval.value = 0;
 
@@ -585,6 +616,11 @@ static ssize_t lbs_wrbbp_write(struct file *file,
 	if (!buf)
 		return -ENOMEM;
 
+	if (!lbs_is_cmd_allowed(priv)) {
+		res = -EBUSY;
+		goto out_unlock;
+	}
+
 	buf_size = min(count, len - 1);
 	if (copy_from_user(buf, userbuf, buf_size)) {
 		res = -EFAULT;
@@ -621,6 +657,11 @@ static ssize_t lbs_rdrf_read(struct file *file, char __user *userbuf,
 	if (!buf)
 		return -ENOMEM;
 
+	if (!lbs_is_cmd_allowed(priv)) {
+		free_page(addr);
+		return -EBUSY;
+	}
+
 	offval.offset = priv->rf_offset;
 	offval.value = 0;
 
@@ -674,6 +715,11 @@ static ssize_t lbs_wrrf_write(struct file *file,
 	if (!buf)
 		return -ENOMEM;
 
+	if (!lbs_is_cmd_allowed(priv)) {
+		res = -EBUSY;
+		goto out_unlock;
+	}
+
 	buf_size = min(count, len - 1);
 	if (copy_from_user(buf, userbuf, buf_size)) {
 		res = -EFAULT;
diff --git a/drivers/net/wireless/libertas/decl.h b/drivers/net/wireless/libertas/decl.h
index 8b15380ae6e..44f0b248ace 100644
--- a/drivers/net/wireless/libertas/decl.h
+++ b/drivers/net/wireless/libertas/decl.h
@@ -33,6 +33,10 @@ int lbs_execute_next_command(struct lbs_private *priv);
 int lbs_process_event(struct lbs_private *priv, u32 event);
 void lbs_queue_event(struct lbs_private *priv, u32 event);
 void lbs_notify_command_response(struct lbs_private *priv, u8 resp_idx);
+int lbs_set_deep_sleep(struct lbs_private *priv, int deep_sleep);
+int lbs_is_cmd_allowed(struct lbs_private *priv);
+int lbs_enter_auto_deep_sleep(struct lbs_private *priv);
+int lbs_exit_auto_deep_sleep(struct lbs_private *priv);
 
 u32 lbs_fw_index_to_data_rate(u8 index);
 u8 lbs_data_rate_to_fw_index(u32 rate);
diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
index d3b69a4b4b5..0018df14fad 100644
--- a/drivers/net/wireless/libertas/dev.h
+++ b/drivers/net/wireless/libertas/dev.h
@@ -129,6 +129,20 @@ struct lbs_private {
 	u32 bbp_offset;
 	u32 rf_offset;
 
+	/** Deep sleep flag */
+	int is_deep_sleep;
+	/** Auto deep sleep enabled flag */
+	int is_auto_deep_sleep_enabled;
+	/** Device wakeup required flag */
+	int wakeup_dev_required;
+	/** Auto deep sleep flag*/
+	int is_activity_detected;
+	/** Auto deep sleep timeout (in miliseconds) */
+	int auto_deep_sleep_timeout;
+
+	/** Deep sleep wait queue */
+	wait_queue_head_t       ds_awake_q;
+
 	/* Download sent:
 	   bit0 1/0=data_sent/data_tx_done,
 	   bit1 1/0=cmd_sent/cmd_tx_done,
@@ -154,6 +168,9 @@ struct lbs_private {
 	/** Hardware access */
 	int (*hw_host_to_card) (struct lbs_private *priv, u8 type, u8 *payload, u16 nb);
 	void (*reset_card) (struct lbs_private *priv);
+	int (*enter_deep_sleep) (struct lbs_private *priv);
+	int (*exit_deep_sleep) (struct lbs_private *priv);
+	int (*reset_deep_sleep_wakeup) (struct lbs_private *priv);
 
 	/* Wake On LAN */
 	uint32_t wol_criteria;
@@ -204,6 +221,7 @@ struct lbs_private {
 
 	/** Timers */
 	struct timer_list command_timer;
+	struct timer_list auto_deepsleep_timer;
 	int nr_retries;
 	int cmd_timed_out;
 
diff --git a/drivers/net/wireless/libertas/host.h b/drivers/net/wireless/libertas/host.h
index fe8f0cb737b..c055daabea1 100644
--- a/drivers/net/wireless/libertas/host.h
+++ b/drivers/net/wireless/libertas/host.h
@@ -57,6 +57,7 @@
 #define CMD_802_11_ENABLE_RSN			0x002f
 #define CMD_802_11_SET_AFC			0x003c
 #define CMD_802_11_GET_AFC			0x003d
+#define CMD_802_11_DEEP_SLEEP                  0x003e
 #define CMD_802_11_AD_HOC_STOP			0x0040
 #define CMD_802_11_HOST_SLEEP_CFG		0x0043
 #define CMD_802_11_WAKEUP_CONFIRM		0x0044
diff --git a/drivers/net/wireless/libertas/if_cs.c b/drivers/net/wireless/libertas/if_cs.c
index 62381768f2d..465742f19ec 100644
--- a/drivers/net/wireless/libertas/if_cs.c
+++ b/drivers/net/wireless/libertas/if_cs.c
@@ -946,6 +946,9 @@ static int if_cs_probe(struct pcmcia_device *p_dev)
 	card->priv = priv;
 	priv->card = card;
 	priv->hw_host_to_card = if_cs_host_to_card;
+	priv->enter_deep_sleep = NULL;
+	priv->exit_deep_sleep = NULL;
+	priv->reset_deep_sleep_wakeup = NULL;
 	priv->fw_ready = 1;
 
 	/* Now actually get the IRQ */
diff --git a/drivers/net/wireless/libertas/if_sdio.c b/drivers/net/wireless/libertas/if_sdio.c
index 485a8d40652..9716728a33c 100644
--- a/drivers/net/wireless/libertas/if_sdio.c
+++ b/drivers/net/wireless/libertas/if_sdio.c
@@ -831,6 +831,58 @@ out:
 	return ret;
 }
 
+static int if_sdio_enter_deep_sleep(struct lbs_private *priv)
+{
+	int ret = -1;
+	struct cmd_header cmd;
+
+	memset(&cmd, 0, sizeof(cmd));
+
+	lbs_deb_sdio("send DEEP_SLEEP command\n");
+	ret = __lbs_cmd(priv, CMD_802_11_DEEP_SLEEP, &cmd, sizeof(cmd),
+			lbs_cmd_copyback, (unsigned long) &cmd);
+	if (ret)
+		lbs_pr_err("DEEP_SLEEP cmd failed\n");
+
+	mdelay(200);
+	return ret;
+}
+
+static int if_sdio_exit_deep_sleep(struct lbs_private *priv)
+{
+	struct if_sdio_card *card = priv->card;
+	int ret = -1;
+
+	lbs_deb_enter(LBS_DEB_SDIO);
+	sdio_claim_host(card->func);
+
+	sdio_writeb(card->func, HOST_POWER_UP, CONFIGURATION_REG, &ret);
+	if (ret)
+		lbs_pr_err("sdio_writeb failed!\n");
+
+	sdio_release_host(card->func);
+	lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret);
+	return ret;
+}
+
+static int if_sdio_reset_deep_sleep_wakeup(struct lbs_private *priv)
+{
+	struct if_sdio_card *card = priv->card;
+	int ret = -1;
+
+	lbs_deb_enter(LBS_DEB_SDIO);
+	sdio_claim_host(card->func);
+
+	sdio_writeb(card->func, 0, CONFIGURATION_REG, &ret);
+	if (ret)
+		lbs_pr_err("sdio_writeb failed!\n");
+
+	sdio_release_host(card->func);
+	lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret);
+	return ret;
+
+}
+
 /*******************************************************************/
 /* SDIO callbacks                                                  */
 /*******************************************************************/
@@ -859,6 +911,7 @@ static void if_sdio_interrupt(struct sdio_func *func)
 	 * Ignore the define name, this really means the card has
 	 * successfully received the command.
 	 */
+	card->priv->is_activity_detected = 1;
 	if (cause & IF_SDIO_H_INT_DNLD)
 		lbs_host_to_card_done(card->priv);
 
@@ -998,6 +1051,9 @@ static int if_sdio_probe(struct sdio_func *func,
 
 	priv->card = card;
 	priv->hw_host_to_card = if_sdio_host_to_card;
+	priv->enter_deep_sleep = if_sdio_enter_deep_sleep;
+	priv->exit_deep_sleep = if_sdio_exit_deep_sleep;
+	priv->reset_deep_sleep_wakeup = if_sdio_reset_deep_sleep_wakeup;
 
 	priv->fw_ready = 1;
 
diff --git a/drivers/net/wireless/libertas/if_sdio.h b/drivers/net/wireless/libertas/if_sdio.h
index 60c9b2fcef0..12179c1dc9c 100644
--- a/drivers/net/wireless/libertas/if_sdio.h
+++ b/drivers/net/wireless/libertas/if_sdio.h
@@ -51,5 +51,6 @@
 #define IF_SDIO_EVENT           0x80fc
 
 #define IF_SDIO_BLOCK_SIZE	256
-
+#define CONFIGURATION_REG               0x03
+#define HOST_POWER_UP                   (0x1U << 1)
 #endif
diff --git a/drivers/net/wireless/libertas/if_spi.c b/drivers/net/wireless/libertas/if_spi.c
index cb8be8d7abc..06df2e174b5 100644
--- a/drivers/net/wireless/libertas/if_spi.c
+++ b/drivers/net/wireless/libertas/if_spi.c
@@ -1117,6 +1117,9 @@ static int __devinit if_spi_probe(struct spi_device *spi)
 	card->priv = priv;
 	priv->card = card;
 	priv->hw_host_to_card = if_spi_host_to_card;
+	priv->enter_deep_sleep = NULL;
+	priv->exit_deep_sleep = NULL;
+	priv->reset_deep_sleep_wakeup = NULL;
 	priv->fw_ready = 1;
 
 	/* Initialize interrupt handling stuff. */
diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c
index 92bc8c5f1ca..a8262dea9b1 100644
--- a/drivers/net/wireless/libertas/if_usb.c
+++ b/drivers/net/wireless/libertas/if_usb.c
@@ -300,6 +300,9 @@ static int if_usb_probe(struct usb_interface *intf,
 	cardp->priv->fw_ready = 1;
 
 	priv->hw_host_to_card = if_usb_host_to_card;
+	priv->enter_deep_sleep = NULL;
+	priv->exit_deep_sleep = NULL;
+	priv->reset_deep_sleep_wakeup = NULL;
 #ifdef CONFIG_OLPC
 	if (machine_is_olpc())
 		priv->reset_card = if_usb_reset_olpc_card;
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index 87b4e497faa..9b2a9174a01 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -574,8 +574,10 @@ void lbs_host_to_card_done(struct lbs_private *priv)
 	priv->dnld_sent = DNLD_RES_RECEIVED;
 
 	/* Wake main thread if commands are pending */
-	if (!priv->cur_cmd || priv->tx_pending_len > 0)
-		wake_up_interruptible(&priv->waitq);
+	if (!priv->cur_cmd || priv->tx_pending_len > 0) {
+		if (!priv->wakeup_dev_required)
+			wake_up_interruptible(&priv->waitq);
+	}
 
 	spin_unlock_irqrestore(&priv->driver_lock, flags);
 	lbs_deb_leave(LBS_DEB_THREAD);
@@ -770,7 +772,8 @@ static int lbs_thread(void *data)
 			shouldsleep = 0;	/* We have a command response */
 		else if (priv->cur_cmd)
 			shouldsleep = 1;	/* Can't send a command; one already running */
-		else if (!list_empty(&priv->cmdpendingq))
+		else if (!list_empty(&priv->cmdpendingq) &&
+					!(priv->wakeup_dev_required))
 			shouldsleep = 0;	/* We have a command to send */
 		else if (__kfifo_len(priv->event_fifo))
 			shouldsleep = 0;	/* We have an event to process */
@@ -822,6 +825,26 @@ static int lbs_thread(void *data)
 		}
 		spin_unlock_irq(&priv->driver_lock);
 
+		/* Process hardware events, e.g. card removed, link lost */
+		spin_lock_irq(&priv->driver_lock);
+		while (__kfifo_len(priv->event_fifo)) {
+			u32 event;
+			__kfifo_get(priv->event_fifo, (unsigned char *) &event,
+				sizeof(event));
+			spin_unlock_irq(&priv->driver_lock);
+			lbs_process_event(priv, event);
+			spin_lock_irq(&priv->driver_lock);
+		}
+		spin_unlock_irq(&priv->driver_lock);
+
+		if (priv->wakeup_dev_required) {
+			lbs_deb_thread("Waking up device...\n");
+			/* Wake up device */
+			if (priv->exit_deep_sleep(priv))
+				lbs_deb_thread("Wakeup device failed\n");
+			continue;
+		}
+
 		/* command timeout stuff */
 		if (priv->cmd_timed_out && priv->cur_cmd) {
 			struct cmd_ctrl_node *cmdnode = priv->cur_cmd;
@@ -849,18 +872,7 @@ static int lbs_thread(void *data)
 		}
 		priv->cmd_timed_out = 0;
 
-		/* Process hardware events, e.g. card removed, link lost */
-		spin_lock_irq(&priv->driver_lock);
-		while (__kfifo_len(priv->event_fifo)) {
-			u32 event;
 
-			__kfifo_get(priv->event_fifo, (unsigned char *) &event,
-				sizeof(event));
-			spin_unlock_irq(&priv->driver_lock);
-			lbs_process_event(priv, event);
-			spin_lock_irq(&priv->driver_lock);
-		}
-		spin_unlock_irq(&priv->driver_lock);
 
 		if (!priv->fw_ready)
 			continue;
@@ -894,6 +906,9 @@ static int lbs_thread(void *data)
 		    (priv->psstate == PS_STATE_PRE_SLEEP))
 			continue;
 
+		if (priv->is_deep_sleep)
+			continue;
+
 		/* Execute the next command */
 		if (!priv->dnld_sent && !priv->cur_cmd)
 			lbs_execute_next_command(priv);
@@ -928,6 +943,7 @@ static int lbs_thread(void *data)
 	}
 
 	del_timer(&priv->command_timer);
+	del_timer(&priv->auto_deepsleep_timer);
 	wake_up_all(&priv->cmd_pending);
 
 	lbs_deb_leave(LBS_DEB_THREAD);
@@ -1050,6 +1066,60 @@ out:
 	lbs_deb_leave(LBS_DEB_CMD);
 }
 
+/**
+ *  This function put the device back to deep sleep mode when timer expires
+ *  and no activity (command, event, data etc.) is detected.
+ */
+static void auto_deepsleep_timer_fn(unsigned long data)
+{
+	struct lbs_private *priv = (struct lbs_private *)data;
+	int ret;
+
+	lbs_deb_enter(LBS_DEB_CMD);
+
+	if (priv->is_activity_detected) {
+		priv->is_activity_detected = 0;
+	} else {
+		if (priv->is_auto_deep_sleep_enabled &&
+				(!priv->wakeup_dev_required) &&
+				(priv->connect_status != LBS_CONNECTED)) {
+			lbs_deb_main("Entering auto deep sleep mode...\n");
+			ret = lbs_prepare_and_send_command(priv,
+					CMD_802_11_DEEP_SLEEP, 0,
+					0, 0, NULL);
+		}
+	}
+	mod_timer(&priv->auto_deepsleep_timer , jiffies +
+				(priv->auto_deep_sleep_timeout * HZ)/1000);
+	lbs_deb_leave(LBS_DEB_CMD);
+}
+
+int lbs_enter_auto_deep_sleep(struct lbs_private *priv)
+{
+	lbs_deb_enter(LBS_DEB_SDIO);
+
+	priv->is_auto_deep_sleep_enabled = 1;
+	if (priv->is_deep_sleep)
+		priv->wakeup_dev_required = 1;
+	mod_timer(&priv->auto_deepsleep_timer ,
+			jiffies + (priv->auto_deep_sleep_timeout * HZ)/1000);
+
+	lbs_deb_leave(LBS_DEB_SDIO);
+	return 0;
+}
+
+int lbs_exit_auto_deep_sleep(struct lbs_private *priv)
+{
+	lbs_deb_enter(LBS_DEB_SDIO);
+
+	priv->is_auto_deep_sleep_enabled = 0;
+	priv->auto_deep_sleep_timeout = 0;
+	del_timer(&priv->auto_deepsleep_timer);
+
+	lbs_deb_leave(LBS_DEB_SDIO);
+	return 0;
+}
+
 static void lbs_sync_channel_worker(struct work_struct *work)
 {
 	struct lbs_private *priv = container_of(work, struct lbs_private,
@@ -1099,11 +1169,17 @@ static int lbs_init_adapter(struct lbs_private *priv)
 	priv->capability = WLAN_CAPABILITY_SHORT_PREAMBLE;
 	priv->psmode = LBS802_11POWERMODECAM;
 	priv->psstate = PS_STATE_FULL_POWER;
+	priv->is_deep_sleep = 0;
+	priv->is_auto_deep_sleep_enabled = 0;
+	priv->wakeup_dev_required = 0;
+	init_waitqueue_head(&priv->ds_awake_q);
 
 	mutex_init(&priv->lock);
 
 	setup_timer(&priv->command_timer, command_timer_fn,
 		(unsigned long)priv);
+	setup_timer(&priv->auto_deepsleep_timer, auto_deepsleep_timer_fn,
+			(unsigned long)priv);
 
 	INIT_LIST_HEAD(&priv->cmdfreeq);
 	INIT_LIST_HEAD(&priv->cmdpendingq);
@@ -1142,6 +1218,7 @@ static void lbs_free_adapter(struct lbs_private *priv)
 	if (priv->event_fifo)
 		kfifo_free(priv->event_fifo);
 	del_timer(&priv->command_timer);
+	del_timer(&priv->auto_deepsleep_timer);
 	kfree(priv->networks);
 	priv->networks = NULL;
 
@@ -1272,6 +1349,11 @@ void lbs_remove_card(struct lbs_private *priv)
 	wrqu.ap_addr.sa_family = ARPHRD_ETHER;
 	wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
 
+	if (priv->is_deep_sleep) {
+		priv->is_deep_sleep = 0;
+		wake_up_interruptible(&priv->ds_awake_q);
+	}
+
 	/* Stop the thread servicing the interrupts */
 	priv->surpriseremoved = 1;
 	kthread_stop(priv->main_thread);
@@ -1392,6 +1474,7 @@ void lbs_stop_card(struct lbs_private *priv)
 
 	/* Delete the timeout of the currently processing command */
 	del_timer_sync(&priv->command_timer);
+	del_timer_sync(&priv->auto_deepsleep_timer);
 
 	/* Flush pending command nodes */
 	spin_lock_irqsave(&priv->driver_lock, flags);
diff --git a/drivers/net/wireless/libertas/scan.c b/drivers/net/wireless/libertas/scan.c
index 6c95af3023c..e468e155e8b 100644
--- a/drivers/net/wireless/libertas/scan.c
+++ b/drivers/net/wireless/libertas/scan.c
@@ -950,6 +950,11 @@ int lbs_set_scan(struct net_device *dev, struct iw_request_info *info,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
+	if (!lbs_is_cmd_allowed(priv)) {
+		ret = -EBUSY;
+		goto out;
+	}
+
 	if (!priv->radio_on) {
 		ret = -EINVAL;
 		goto out;
@@ -1017,6 +1022,12 @@ int lbs_get_scan(struct net_device *dev, struct iw_request_info *info,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
+	if (!lbs_is_cmd_allowed(priv)) {
+		err = -EBUSY;
+		lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", err);
+		return err;
+	}
+
 	/* iwlist should wait until the current scan is finished */
 	if (priv->scan_channel)
 		return -EAGAIN;
diff --git a/drivers/net/wireless/libertas/wext.c b/drivers/net/wireless/libertas/wext.c
index be837a0d251..38a451edb70 100644
--- a/drivers/net/wireless/libertas/wext.c
+++ b/drivers/net/wireless/libertas/wext.c
@@ -45,6 +45,31 @@ static inline void lbs_cancel_association_work(struct lbs_private *priv)
 	priv->pending_assoc_req = NULL;
 }
 
+/**
+ *  @brief This function checks if the command is allowed.
+ *
+ *  @param priv         A pointer to lbs_private structure
+ *  @return             allowed or not allowed.
+ */
+
+int lbs_is_cmd_allowed(struct lbs_private *priv)
+{
+	int         ret = 1;
+
+	lbs_deb_enter(LBS_DEB_WEXT);
+
+	if (!priv->is_auto_deep_sleep_enabled) {
+		if (priv->is_deep_sleep) {
+			lbs_deb_wext("IOCTLS called when station"
+					"is in deep sleep\n");
+			ret = 0;
+		}
+	}
+
+	lbs_deb_leave(LBS_DEB_WEXT);
+	return ret;
+}
+
 
 /**
  *  @brief Find the channel frequency power info with specific channel
@@ -168,6 +193,11 @@ static int lbs_get_freq(struct net_device *dev, struct iw_request_info *info,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
+	if (!lbs_is_cmd_allowed(priv)) {
+		lbs_deb_leave(LBS_DEB_WEXT);
+		return -EBUSY;
+	}
+
 	cfp = lbs_find_cfp_by_band_and_channel(priv, 0,
 					   priv->curbssparams.channel);
 
@@ -278,6 +308,12 @@ static int lbs_set_rts(struct net_device *dev, struct iw_request_info *info,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
+	if (!lbs_is_cmd_allowed(priv)) {
+		ret = -EBUSY;
+		lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
+		return ret;
+	}
+
 	if (vwrq->disabled)
 		val = MRVDRV_RTS_MAX_VALUE;
 
@@ -299,6 +335,11 @@ static int lbs_get_rts(struct net_device *dev, struct iw_request_info *info,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
+	if (!lbs_is_cmd_allowed(priv)) {
+		ret = -EBUSY;
+		goto out;
+	}
+
 	ret = lbs_get_snmp_mib(priv, SNMP_MIB_OID_RTS_THRESHOLD, &val);
 	if (ret)
 		goto out;
@@ -321,6 +362,12 @@ static int lbs_set_frag(struct net_device *dev, struct iw_request_info *info,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
+	if (!lbs_is_cmd_allowed(priv)) {
+		ret = -EBUSY;
+		lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
+		return ret;
+	}
+
 	if (vwrq->disabled)
 		val = MRVDRV_FRAG_MAX_VALUE;
 
@@ -342,6 +389,11 @@ static int lbs_get_frag(struct net_device *dev, struct iw_request_info *info,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
+	if (!lbs_is_cmd_allowed(priv)) {
+		ret = -EBUSY;
+		goto out;
+	}
+
 	ret = lbs_get_snmp_mib(priv, SNMP_MIB_OID_FRAG_THRESHOLD, &val);
 	if (ret)
 		goto out;
@@ -391,6 +443,11 @@ static int lbs_get_txpow(struct net_device *dev,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
+	if (!lbs_is_cmd_allowed(priv)) {
+		ret = -EBUSY;
+		goto out;
+	}
+
 	if (!priv->radio_on) {
 		lbs_deb_wext("tx power off\n");
 		vwrq->value = 0;
@@ -424,6 +481,11 @@ static int lbs_set_retry(struct net_device *dev, struct iw_request_info *info,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
+	if (!lbs_is_cmd_allowed(priv)) {
+		ret = -EBUSY;
+		goto out;
+	}
+
         if ((vwrq->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
                 return -EOPNOTSUPP;
 
@@ -472,6 +534,11 @@ static int lbs_get_retry(struct net_device *dev, struct iw_request_info *info,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
+	if (!lbs_is_cmd_allowed(priv)) {
+		ret = -EBUSY;
+		goto out;
+	}
+
 	vwrq->disabled = 0;
 
 	if (vwrq->flags & IW_RETRY_LONG) {
@@ -709,6 +776,7 @@ static int lbs_set_power(struct net_device *dev, struct iw_request_info *info,
 			  struct iw_param *vwrq, char *extra)
 {
 	struct lbs_private *priv = dev->ml_priv;
+	int ret = 0;
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
@@ -737,8 +805,54 @@ static int lbs_set_power(struct net_device *dev, struct iw_request_info *info,
 		       "setting power timeout is not supported\n");
 		return -EINVAL;
 	} else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
-		lbs_deb_wext("setting power period not supported\n");
-		return -EINVAL;
+		vwrq->value = vwrq->value / 1000;
+		if (!priv->enter_deep_sleep) {
+			lbs_pr_err("deep sleep feature is not implemented "
+					"for this interface driver\n");
+			return -EINVAL;
+		}
+
+		if (priv->connect_status == LBS_CONNECTED) {
+			if ((priv->is_auto_deep_sleep_enabled) &&
+						(vwrq->value == -1000)) {
+				lbs_exit_auto_deep_sleep(priv);
+				return 0;
+			} else {
+				lbs_pr_err("can't use deep sleep cmd in "
+						"connected state\n");
+				return -EINVAL;
+			}
+		}
+
+		if ((vwrq->value < 0) && (vwrq->value != -1000)) {
+			lbs_pr_err("unknown option\n");
+			return -EINVAL;
+		}
+
+		if (vwrq->value > 0) {
+			if (!priv->is_auto_deep_sleep_enabled) {
+				priv->is_activity_detected = 0;
+				priv->auto_deep_sleep_timeout = vwrq->value;
+				lbs_enter_auto_deep_sleep(priv);
+			} else {
+				priv->auto_deep_sleep_timeout = vwrq->value;
+				lbs_deb_debugfs("auto deep sleep: "
+						"already enabled\n");
+			}
+			return 0;
+		} else {
+			if (priv->is_auto_deep_sleep_enabled) {
+				lbs_exit_auto_deep_sleep(priv);
+				/* Try to exit deep sleep if auto */
+				/*deep sleep disabled */
+				ret = lbs_set_deep_sleep(priv, 0);
+			}
+			if (vwrq->value == 0)
+				ret = lbs_set_deep_sleep(priv, 1);
+			else if (vwrq->value == -1000)
+				ret = lbs_set_deep_sleep(priv, 0);
+			return ret;
+		}
 	}
 
 	if (priv->psmode != LBS802_11POWERMODECAM) {
@@ -752,6 +866,7 @@ static int lbs_set_power(struct net_device *dev, struct iw_request_info *info,
 	}
 
 	lbs_deb_leave(LBS_DEB_WEXT);
+
 	return 0;
 }
 
@@ -792,6 +907,9 @@ static struct iw_statistics *lbs_get_wireless_stats(struct net_device *dev)
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
+	if (!lbs_is_cmd_allowed(priv))
+		return NULL;
+
 	priv->wstats.status = priv->mode;
 
 	/* If we're not associated, all quality values are meaningless */
@@ -892,6 +1010,12 @@ static int lbs_set_freq(struct net_device *dev, struct iw_request_info *info,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
+	if (!lbs_is_cmd_allowed(priv)) {
+		ret = -EBUSY;
+		lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
+		return ret;
+	}
+
 	mutex_lock(&priv->lock);
 	assoc_req = lbs_get_association_request(priv);
 	if (!assoc_req) {
@@ -1000,6 +1124,12 @@ static int lbs_set_rate(struct net_device *dev, struct iw_request_info *info,
 	u8 rates[MAX_RATES + 1];
 
 	lbs_deb_enter(LBS_DEB_WEXT);
+
+	if (!lbs_is_cmd_allowed(priv)) {
+		ret = -EBUSY;
+		goto out;
+	}
+
 	lbs_deb_wext("vwrq->value %d\n", vwrq->value);
 	lbs_deb_wext("vwrq->fixed %d\n", vwrq->fixed);
 
@@ -1058,6 +1188,11 @@ static int lbs_get_rate(struct net_device *dev, struct iw_request_info *info,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
+	if (!lbs_is_cmd_allowed(priv)) {
+		lbs_deb_leave(LBS_DEB_WEXT);
+		return -EBUSY;
+	}
+
 	if (priv->connect_status == LBS_CONNECTED) {
 		vwrq->value = priv->cur_rate * 500000;
 
@@ -1084,6 +1219,11 @@ static int lbs_set_mode(struct net_device *dev,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
+	if (!lbs_is_cmd_allowed(priv)) {
+		ret = -EBUSY;
+		goto out;
+	}
+
 	if (   (*uwrq != IW_MODE_ADHOC)
 	    && (*uwrq != IW_MODE_INFRA)
 	    && (*uwrq != IW_MODE_AUTO)) {
@@ -1325,6 +1465,12 @@ static int lbs_set_encode(struct net_device *dev,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
+	if (!lbs_is_cmd_allowed(priv)) {
+		ret = -EBUSY;
+		lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
+		return ret;
+	}
+
 	mutex_lock(&priv->lock);
 	assoc_req = lbs_get_association_request(priv);
 	if (!assoc_req) {
@@ -1508,6 +1654,12 @@ static int lbs_set_encodeext(struct net_device *dev,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
+	if (!lbs_is_cmd_allowed(priv)) {
+		ret = -EBUSY;
+		lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
+		return ret;
+	}
+
 	mutex_lock(&priv->lock);
 	assoc_req = lbs_get_association_request(priv);
 	if (!assoc_req) {
@@ -1720,6 +1872,12 @@ static int lbs_set_auth(struct net_device *dev,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
+	if (!lbs_is_cmd_allowed(priv)) {
+		ret = -EBUSY;
+		lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
+		return ret;
+	}
+
 	mutex_lock(&priv->lock);
 	assoc_req = lbs_get_association_request(priv);
 	if (!assoc_req) {
@@ -1822,6 +1980,12 @@ static int lbs_get_auth(struct net_device *dev,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
+	if (!lbs_is_cmd_allowed(priv)) {
+		ret = -EBUSY;
+		lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
+		return ret;
+	}
+
 	switch (dwrq->flags & IW_AUTH_INDEX) {
 	case IW_AUTH_KEY_MGMT:
 		dwrq->value = priv->secinfo.key_mgmt;
@@ -1864,6 +2028,11 @@ static int lbs_set_txpow(struct net_device *dev, struct iw_request_info *info,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
+	if (!lbs_is_cmd_allowed(priv)) {
+		ret = -EBUSY;
+		goto out;
+	}
+
 	if (vwrq->disabled) {
 		lbs_set_radio(priv, RADIO_PREAMBLE_AUTO, 0);
 		goto out;
@@ -1983,6 +2152,12 @@ static int lbs_set_essid(struct net_device *dev, struct iw_request_info *info,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
+	if (!lbs_is_cmd_allowed(priv)) {
+		ret = -EBUSY;
+		lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
+		return ret;
+	}
+
 	if (!priv->radio_on) {
 		ret = -EINVAL;
 		goto out;
@@ -2110,6 +2285,12 @@ static int lbs_set_wap(struct net_device *dev, struct iw_request_info *info,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
+	if (!lbs_is_cmd_allowed(priv)) {
+		ret = -EBUSY;
+		lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
+		return ret;
+	}
+
 	if (!priv->radio_on)
 		return -EINVAL;
 
-- 
GitLab


From ffe9793252de2e9a3cc7e29a6c7debd1d549df07 Mon Sep 17 00:00:00 2001
From: Kalle Valo <kalle.valo@nokia.com>
Date: Thu, 1 Oct 2009 12:51:20 +0300
Subject: [PATCH 0151/1815] wl1251: remove wl1251_netlink.h

The file was accidentally added in commit ef2f8d4577 ("wl1251: add
wl1251 prefix to all 1251 files"). This happened when I rebased the
patches from a private tree.

Reported-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1251_netlink.h | 30 --------------------
 1 file changed, 30 deletions(-)
 delete mode 100644 drivers/net/wireless/wl12xx/wl1251_netlink.h

diff --git a/drivers/net/wireless/wl12xx/wl1251_netlink.h b/drivers/net/wireless/wl12xx/wl1251_netlink.h
deleted file mode 100644
index ee36695e134..00000000000
--- a/drivers/net/wireless/wl12xx/wl1251_netlink.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * This file is part of wl1251
- *
- * Copyright (C) 2009 Nokia Corporation
- *
- * Contact: Kalle Valo <kalle.valo@nokia.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA
- *
- */
-
-#ifndef __WL1251_NETLINK_H__
-#define __WL1251_NETLINK_H__
-
-int wl1251_nl_register(void);
-void wl1251_nl_unregister(void);
-
-#endif /* __WL1251_NETLINK_H__ */
-- 
GitLab


From 7812b16730ccebce71a3b2228ac08dd4f8b39469 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 2 Oct 2009 13:43:58 -0700
Subject: [PATCH 0152/1815] iwlwifi: reliable entering of critical temperature
 state

When uCode detects critical temperature it should send "card state
notification" interrupt to driver and then shut itself down to prevent
overheating. There is a race condition where uCode shuts down before it
can deliver the interrupt to driver.
Additional method provided here for driver to enter CT_KILL state based
on temperature reading.

How it works:
Method 1:
If driver receive "card state notification" interrupt from uCode; it
enters "CT_KILL" state immediately

Method 2:
If the last temperature report by Card reach Critical temperature,
driver will send "statistic notification" request to uCode to verify the
temperature reading, if driver can not get reply from uCode within
300ms, driver will enter CT_KILL state automatically.

Method 3:
If the last temperature report by Card did not reach Critical
temperature, but uCode already shut down due to critical temperature.
All the host commands send to uCode will not get process by uCode;
when command queue reach the limit, driver will check the last reported
temperature reading, if it is within pre-defined margin, enter "CT_KILL"
state immediately. In this case, when uCode ready to exit from "CT_KILL" state,
driver need to restart the adapter in order to reset all the queues and
resume normal operation.

One additional issue being address here, when system is in CT_KILL
state, both tx and rx already stopped, but driver still can send host
command to uCode, it will flood the command queue since card was not
responding; adding STATUS_CT_KILL flag to reject enqueue host commands
to uCode if it is in CT_KILL state, when uCode is ready to come out of
CT_KILL, driver will clear  the STATUS_CT_KILL bit and allow enqueue the host
commands to uCode to recover from CT_KILL state.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-core.h    |   6 +
 drivers/net/wireless/iwlwifi/iwl-debugfs.c |   2 +
 drivers/net/wireless/iwlwifi/iwl-power.c   | 146 ++++++++++++++++-----
 drivers/net/wireless/iwlwifi/iwl-power.h   |   3 +
 drivers/net/wireless/iwlwifi/iwl-tx.c      |  10 +-
 5 files changed, 135 insertions(+), 32 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 744f0cac685..3bd0e59bb5a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -580,6 +580,7 @@ void iwlcore_free_geos(struct iwl_priv *priv);
 #define STATUS_HCMD_SYNC_ACTIVE	1	/* sync host command in progress */
 #define STATUS_INT_ENABLED	2
 #define STATUS_RF_KILL_HW	3
+#define STATUS_CT_KILL		4
 #define STATUS_INIT		5
 #define STATUS_ALIVE		6
 #define STATUS_READY		7
@@ -624,6 +625,11 @@ static inline int iwl_is_rfkill(struct iwl_priv *priv)
 	return iwl_is_rfkill_hw(priv);
 }
 
+static inline int iwl_is_ctkill(struct iwl_priv *priv)
+{
+	return test_bit(STATUS_CT_KILL, &priv->status);
+}
+
 static inline int iwl_is_ready_rf(struct iwl_priv *priv)
 {
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index 037b75ca77f..fa6371d171c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -535,6 +535,8 @@ static ssize_t iwl_dbgfs_status_read(struct file *file,
 		test_bit(STATUS_INT_ENABLED, &priv->status));
 	pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
 		test_bit(STATUS_RF_KILL_HW, &priv->status));
+	pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
+		test_bit(STATUS_CT_KILL, &priv->status));
 	pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
 		test_bit(STATUS_INIT, &priv->status));
 	pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
diff --git a/drivers/net/wireless/iwlwifi/iwl-power.c b/drivers/net/wireless/iwlwifi/iwl-power.c
index e50d77bd7aa..9c6b1495206 100644
--- a/drivers/net/wireless/iwlwifi/iwl-power.c
+++ b/drivers/net/wireless/iwlwifi/iwl-power.c
@@ -165,26 +165,26 @@ static void iwl_static_sleep_cmd(struct iwl_priv *priv,
  *=============================================================================
  *                 Condition Nxt State  Condition Nxt State Condition Nxt State
  *-----------------------------------------------------------------------------
- *     IWL_TI_0     T >= 115   CT_KILL  115>T>=105   TI_1      N/A      N/A
- *     IWL_TI_1     T >= 115   CT_KILL  115>T>=110   TI_2     T<=95     TI_0
- *     IWL_TI_2     T >= 115   CT_KILL                        T<=100    TI_1
+ *     IWL_TI_0     T >= 114   CT_KILL  114>T>=105   TI_1      N/A      N/A
+ *     IWL_TI_1     T >= 114   CT_KILL  114>T>=110   TI_2     T<=95     TI_0
+ *     IWL_TI_2     T >= 114   CT_KILL                        T<=100    TI_1
  *    IWL_CT_KILL      N/A       N/A       N/A        N/A     T<=95     TI_0
  *=============================================================================
  */
 static const struct iwl_tt_trans tt_range_0[IWL_TI_STATE_MAX - 1] = {
 	{IWL_TI_0, IWL_ABSOLUTE_ZERO, 104},
-	{IWL_TI_1, 105, CT_KILL_THRESHOLD},
-	{IWL_TI_CT_KILL, CT_KILL_THRESHOLD + 1, IWL_ABSOLUTE_MAX}
+	{IWL_TI_1, 105, CT_KILL_THRESHOLD - 1},
+	{IWL_TI_CT_KILL, CT_KILL_THRESHOLD, IWL_ABSOLUTE_MAX}
 };
 static const struct iwl_tt_trans tt_range_1[IWL_TI_STATE_MAX - 1] = {
 	{IWL_TI_0, IWL_ABSOLUTE_ZERO, 95},
-	{IWL_TI_2, 110, CT_KILL_THRESHOLD},
-	{IWL_TI_CT_KILL, CT_KILL_THRESHOLD + 1, IWL_ABSOLUTE_MAX}
+	{IWL_TI_2, 110, CT_KILL_THRESHOLD - 1},
+	{IWL_TI_CT_KILL, CT_KILL_THRESHOLD, IWL_ABSOLUTE_MAX}
 };
 static const struct iwl_tt_trans tt_range_2[IWL_TI_STATE_MAX - 1] = {
 	{IWL_TI_1, IWL_ABSOLUTE_ZERO, 100},
-	{IWL_TI_CT_KILL, CT_KILL_THRESHOLD + 1, IWL_ABSOLUTE_MAX},
-	{IWL_TI_CT_KILL, CT_KILL_THRESHOLD + 1, IWL_ABSOLUTE_MAX}
+	{IWL_TI_CT_KILL, CT_KILL_THRESHOLD, IWL_ABSOLUTE_MAX},
+	{IWL_TI_CT_KILL, CT_KILL_THRESHOLD, IWL_ABSOLUTE_MAX}
 };
 static const struct iwl_tt_trans tt_range_3[IWL_TI_STATE_MAX - 1] = {
 	{IWL_TI_0, IWL_ABSOLUTE_ZERO, CT_KILL_EXIT_THRESHOLD},
@@ -351,6 +351,23 @@ bool iwl_ht_enabled(struct iwl_priv *priv)
 }
 EXPORT_SYMBOL(iwl_ht_enabled);
 
+bool iwl_within_ct_kill_margin(struct iwl_priv *priv)
+{
+	s32 temp = priv->temperature; /* degrees CELSIUS except 4965 */
+	bool within_margin = false;
+
+	if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965)
+		temp = KELVIN_TO_CELSIUS(priv->temperature);
+
+	if (!priv->thermal_throttle.advanced_tt)
+		within_margin = ((temp + IWL_TT_CT_KILL_MARGIN) >=
+				CT_KILL_THRESHOLD_LEGACY) ? true : false;
+	else
+		within_margin = ((temp + IWL_TT_CT_KILL_MARGIN) >=
+				CT_KILL_THRESHOLD) ? true : false;
+	return within_margin;
+}
+
 enum iwl_antenna_ok iwl_tx_ant_restriction(struct iwl_priv *priv)
 {
 	struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
@@ -375,6 +392,7 @@ enum iwl_antenna_ok iwl_rx_ant_restriction(struct iwl_priv *priv)
 }
 
 #define CT_KILL_EXIT_DURATION (5)	/* 5 seconds duration */
+#define CT_KILL_WAITING_DURATION (300)	/* 300ms duration */
 
 /*
  * toggle the bit to wake up uCode and check the temperature
@@ -412,6 +430,7 @@ static void iwl_tt_check_exit_ct_kill(unsigned long data)
 		/* Reschedule the ct_kill timer to occur in
 		 * CT_KILL_EXIT_DURATION seconds to ensure we get a
 		 * thermal update */
+		IWL_DEBUG_POWER(priv, "schedule ct_kill exit timer\n");
 		mod_timer(&priv->thermal_throttle.ct_kill_exit_tm, jiffies +
 			  CT_KILL_EXIT_DURATION * HZ);
 	}
@@ -435,6 +454,33 @@ static void iwl_perform_ct_kill_task(struct iwl_priv *priv,
 	}
 }
 
+static void iwl_tt_ready_for_ct_kill(unsigned long data)
+{
+	struct iwl_priv *priv = (struct iwl_priv *)data;
+	struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
+
+	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
+		return;
+
+	/* temperature timer expired, ready to go into CT_KILL state */
+	if (tt->state != IWL_TI_CT_KILL) {
+		IWL_DEBUG_POWER(priv, "entering CT_KILL state when temperature timer expired\n");
+		tt->state = IWL_TI_CT_KILL;
+		set_bit(STATUS_CT_KILL, &priv->status);
+		iwl_perform_ct_kill_task(priv, true);
+	}
+}
+
+static void iwl_prepare_ct_kill_task(struct iwl_priv *priv)
+{
+	IWL_DEBUG_POWER(priv, "Prepare to enter IWL_TI_CT_KILL\n");
+	/* make request to retrieve statistics information */
+	iwl_send_statistics_request(priv, 0);
+	/* Reschedule the ct_kill wait timer */
+	mod_timer(&priv->thermal_throttle.ct_kill_waiting_tm,
+		 jiffies + msecs_to_jiffies(CT_KILL_WAITING_DURATION));
+}
+
 #define IWL_MINIMAL_POWER_THRESHOLD		(CT_KILL_THRESHOLD_LEGACY)
 #define IWL_REDUCED_PERFORMANCE_THRESHOLD_2	(100)
 #define IWL_REDUCED_PERFORMANCE_THRESHOLD_1	(90)
@@ -448,7 +494,7 @@ static void iwl_perform_ct_kill_task(struct iwl_priv *priv,
  *	Throttle early enough to lower the power consumption before
  *	drastic steps are needed
  */
-static void iwl_legacy_tt_handler(struct iwl_priv *priv, s32 temp)
+static void iwl_legacy_tt_handler(struct iwl_priv *priv, s32 temp, bool force)
 {
 	struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
 	enum iwl_tt_state old_state;
@@ -477,6 +523,8 @@ static void iwl_legacy_tt_handler(struct iwl_priv *priv, s32 temp)
 #ifdef CONFIG_IWLWIFI_DEBUG
 	tt->tt_previous_temp = temp;
 #endif
+	/* stop ct_kill_waiting_tm timer */
+	del_timer_sync(&priv->thermal_throttle.ct_kill_waiting_tm);
 	if (tt->state != old_state) {
 		switch (tt->state) {
 		case IWL_TI_0:
@@ -497,17 +545,28 @@ static void iwl_legacy_tt_handler(struct iwl_priv *priv, s32 temp)
 			break;
 		}
 		mutex_lock(&priv->mutex);
-		if (iwl_power_update_mode(priv, true)) {
+		if (old_state == IWL_TI_CT_KILL)
+			clear_bit(STATUS_CT_KILL, &priv->status);
+		if (tt->state != IWL_TI_CT_KILL &&
+		    iwl_power_update_mode(priv, true)) {
 			/* TT state not updated
 			 * try again during next temperature read
 			 */
+			if (old_state == IWL_TI_CT_KILL)
+				set_bit(STATUS_CT_KILL, &priv->status);
 			tt->state = old_state;
 			IWL_ERR(priv, "Cannot update power mode, "
 					"TT state not updated\n");
 		} else {
-			if (tt->state == IWL_TI_CT_KILL)
-				iwl_perform_ct_kill_task(priv, true);
-			else if (old_state == IWL_TI_CT_KILL &&
+			if (tt->state == IWL_TI_CT_KILL) {
+				if (force) {
+					set_bit(STATUS_CT_KILL, &priv->status);
+					iwl_perform_ct_kill_task(priv, true);
+				} else {
+					iwl_prepare_ct_kill_task(priv);
+					tt->state = old_state;
+				}
+			} else if (old_state == IWL_TI_CT_KILL &&
 				 tt->state != IWL_TI_CT_KILL)
 				iwl_perform_ct_kill_task(priv, false);
 			IWL_DEBUG_POWER(priv, "Temperature state changed %u\n",
@@ -534,13 +593,13 @@ static void iwl_legacy_tt_handler(struct iwl_priv *priv, s32 temp)
  *=============================================================================
  *                 Condition Nxt State  Condition Nxt State Condition Nxt State
  *-----------------------------------------------------------------------------
- *     IWL_TI_0     T >= 115   CT_KILL  115>T>=105   TI_1      N/A      N/A
- *     IWL_TI_1     T >= 115   CT_KILL  115>T>=110   TI_2     T<=95     TI_0
- *     IWL_TI_2     T >= 115   CT_KILL                        T<=100    TI_1
+ *     IWL_TI_0     T >= 114   CT_KILL  114>T>=105   TI_1      N/A      N/A
+ *     IWL_TI_1     T >= 114   CT_KILL  114>T>=110   TI_2     T<=95     TI_0
+ *     IWL_TI_2     T >= 114   CT_KILL                        T<=100    TI_1
  *    IWL_CT_KILL      N/A       N/A       N/A        N/A     T<=95     TI_0
  *=============================================================================
  */
-static void iwl_advance_tt_handler(struct iwl_priv *priv, s32 temp)
+static void iwl_advance_tt_handler(struct iwl_priv *priv, s32 temp, bool force)
 {
 	struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
 	int i;
@@ -585,6 +644,8 @@ static void iwl_advance_tt_handler(struct iwl_priv *priv, s32 temp)
 			break;
 		}
 	}
+	/* stop ct_kill_waiting_tm timer */
+	del_timer_sync(&priv->thermal_throttle.ct_kill_waiting_tm);
 	if (changed) {
 		struct iwl_rxon_cmd *rxon = &priv->staging_rxon;
 
@@ -616,12 +677,17 @@ static void iwl_advance_tt_handler(struct iwl_priv *priv, s32 temp)
 			iwl_set_rxon_ht(priv, &priv->current_ht_config);
 		}
 		mutex_lock(&priv->mutex);
-		if (iwl_power_update_mode(priv, true)) {
+		if (old_state == IWL_TI_CT_KILL)
+			clear_bit(STATUS_CT_KILL, &priv->status);
+		if (tt->state != IWL_TI_CT_KILL &&
+		    iwl_power_update_mode(priv, true)) {
 			/* TT state not updated
 			 * try again during next temperature read
 			 */
 			IWL_ERR(priv, "Cannot update power mode, "
 					"TT state not updated\n");
+			if (old_state == IWL_TI_CT_KILL)
+				set_bit(STATUS_CT_KILL, &priv->status);
 			tt->state = old_state;
 		} else {
 			IWL_DEBUG_POWER(priv,
@@ -629,9 +695,15 @@ static void iwl_advance_tt_handler(struct iwl_priv *priv, s32 temp)
 					tt->state);
 			if (old_state != IWL_TI_CT_KILL &&
 			    tt->state == IWL_TI_CT_KILL) {
-				IWL_DEBUG_POWER(priv, "Enter IWL_TI_CT_KILL\n");
-				iwl_perform_ct_kill_task(priv, true);
-
+				if (force) {
+					IWL_DEBUG_POWER(priv,
+						"Enter IWL_TI_CT_KILL\n");
+					set_bit(STATUS_CT_KILL, &priv->status);
+					iwl_perform_ct_kill_task(priv, true);
+				} else {
+					iwl_prepare_ct_kill_task(priv);
+					tt->state = old_state;
+				}
 			} else if (old_state == IWL_TI_CT_KILL &&
 				  tt->state != IWL_TI_CT_KILL) {
 				IWL_DEBUG_POWER(priv, "Exit IWL_TI_CT_KILL\n");
@@ -668,10 +740,11 @@ static void iwl_bg_ct_enter(struct work_struct *work)
 			      "- ucode going to sleep!\n");
 		if (!priv->thermal_throttle.advanced_tt)
 			iwl_legacy_tt_handler(priv,
-					      IWL_MINIMAL_POWER_THRESHOLD);
+					      IWL_MINIMAL_POWER_THRESHOLD,
+					      true);
 		else
 			iwl_advance_tt_handler(priv,
-					       CT_KILL_THRESHOLD + 1);
+					       CT_KILL_THRESHOLD + 1, true);
 	}
 }
 
@@ -698,11 +771,18 @@ static void iwl_bg_ct_exit(struct work_struct *work)
 		IWL_ERR(priv,
 			"Device temperature below critical"
 			"- ucode awake!\n");
+		/*
+		 * exit from CT_KILL state
+		 * reset the current temperature reading
+		 */
+		priv->temperature = 0;
 		if (!priv->thermal_throttle.advanced_tt)
 			iwl_legacy_tt_handler(priv,
-					IWL_REDUCED_PERFORMANCE_THRESHOLD_2);
+					      IWL_REDUCED_PERFORMANCE_THRESHOLD_2,
+					      true);
 		else
-			iwl_advance_tt_handler(priv, CT_KILL_EXIT_THRESHOLD);
+			iwl_advance_tt_handler(priv, CT_KILL_EXIT_THRESHOLD,
+					       true);
 	}
 }
 
@@ -738,9 +818,9 @@ static void iwl_bg_tt_work(struct work_struct *work)
 		temp = KELVIN_TO_CELSIUS(priv->temperature);
 
 	if (!priv->thermal_throttle.advanced_tt)
-		iwl_legacy_tt_handler(priv, temp);
+		iwl_legacy_tt_handler(priv, temp, false);
 	else
-		iwl_advance_tt_handler(priv, temp);
+		iwl_advance_tt_handler(priv, temp, false);
 }
 
 void iwl_tt_handler(struct iwl_priv *priv)
@@ -771,8 +851,12 @@ void iwl_tt_initialize(struct iwl_priv *priv)
 	tt->state = IWL_TI_0;
 	init_timer(&priv->thermal_throttle.ct_kill_exit_tm);
 	priv->thermal_throttle.ct_kill_exit_tm.data = (unsigned long)priv;
-	priv->thermal_throttle.ct_kill_exit_tm.function = iwl_tt_check_exit_ct_kill;
-
+	priv->thermal_throttle.ct_kill_exit_tm.function =
+		iwl_tt_check_exit_ct_kill;
+	init_timer(&priv->thermal_throttle.ct_kill_waiting_tm);
+	priv->thermal_throttle.ct_kill_waiting_tm.data = (unsigned long)priv;
+	priv->thermal_throttle.ct_kill_waiting_tm.function =
+		iwl_tt_ready_for_ct_kill;
 	/* setup deferred ct kill work */
 	INIT_WORK(&priv->tt_work, iwl_bg_tt_work);
 	INIT_WORK(&priv->ct_enter, iwl_bg_ct_enter);
@@ -829,6 +913,8 @@ void iwl_tt_exit(struct iwl_priv *priv)
 
 	/* stop ct_kill_exit_tm timer if activated */
 	del_timer_sync(&priv->thermal_throttle.ct_kill_exit_tm);
+	/* stop ct_kill_waiting_tm timer if activated */
+	del_timer_sync(&priv->thermal_throttle.ct_kill_waiting_tm);
 	cancel_work_sync(&priv->tt_work);
 	cancel_work_sync(&priv->ct_enter);
 	cancel_work_sync(&priv->ct_exit);
diff --git a/drivers/net/wireless/iwlwifi/iwl-power.h b/drivers/net/wireless/iwlwifi/iwl-power.h
index df6f6a49712..310c32e8f69 100644
--- a/drivers/net/wireless/iwlwifi/iwl-power.h
+++ b/drivers/net/wireless/iwlwifi/iwl-power.h
@@ -33,6 +33,7 @@
 #define IWL_ABSOLUTE_ZERO		0
 #define IWL_ABSOLUTE_MAX		0xFFFFFFFF
 #define IWL_TT_INCREASE_MARGIN	5
+#define IWL_TT_CT_KILL_MARGIN	3
 
 enum iwl_antenna_ok {
 	IWL_ANT_OK_NONE,
@@ -110,6 +111,7 @@ struct iwl_tt_mgmt {
 	struct iwl_tt_restriction *restriction;
 	struct iwl_tt_trans *transaction;
 	struct timer_list ct_kill_exit_tm;
+	struct timer_list ct_kill_waiting_tm;
 };
 
 enum iwl_power_level {
@@ -129,6 +131,7 @@ struct iwl_power_mgr {
 
 int iwl_power_update_mode(struct iwl_priv *priv, bool force);
 bool iwl_ht_enabled(struct iwl_priv *priv);
+bool iwl_within_ct_kill_margin(struct iwl_priv *priv);
 enum iwl_antenna_ok iwl_tx_ant_restriction(struct iwl_priv *priv);
 enum iwl_antenna_ok iwl_rx_ant_restriction(struct iwl_priv *priv);
 void iwl_tt_enter_ct_kill(struct iwl_priv *priv);
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index ad69479376a..2ba9725beff 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -969,13 +969,19 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
 	BUG_ON((fix_size > TFD_MAX_PAYLOAD_SIZE) &&
 	       !(cmd->flags & CMD_SIZE_HUGE));
 
-	if (iwl_is_rfkill(priv)) {
-		IWL_DEBUG_INFO(priv, "Not sending command - RF KILL\n");
+	if (iwl_is_rfkill(priv) || iwl_is_ctkill(priv)) {
+		IWL_DEBUG_INFO(priv, "Not sending command - RF/CT KILL\n");
 		return -EIO;
 	}
 
 	if (iwl_queue_space(q) < ((cmd->flags & CMD_ASYNC) ? 2 : 1)) {
 		IWL_ERR(priv, "No space for Tx\n");
+		if (iwl_within_ct_kill_margin(priv))
+			iwl_tt_enter_ct_kill(priv);
+		else {
+			IWL_ERR(priv, "Restarting adapter due to queue full\n");
+			queue_work(priv->workqueue, &priv->restart);
+		}
 		return -ENOSPC;
 	}
 
-- 
GitLab


From 72f0ebd9e0af0cb642b5f8955380c5043c5c83b4 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 2 Oct 2009 13:43:59 -0700
Subject: [PATCH 0153/1815] iwlwifi: change valid EEPROM version for 1000
 series

In order to support different type of 1000 series NICs we release to
customers before the production release, iwlwifi driver need to support
all the NICs has EEPROM version greater than 0x15c.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-eeprom.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.h b/drivers/net/wireless/iwlwifi/iwl-eeprom.h
index 75fe0228299..643142f913b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.h
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.h
@@ -257,7 +257,7 @@ struct iwl_eeprom_enhanced_txpwr {
 #define EEPROM_5050_EEPROM_VERSION	(0x21E)
 
 /* 1000 Specific */
-#define EEPROM_1000_EEPROM_VERSION	(0x15D)
+#define EEPROM_1000_EEPROM_VERSION	(0x15C)
 
 /* 60x0 Specific */
 #define EEPROM_6000_EEPROM_VERSION	(0x434)
-- 
GitLab


From 39d5e0ce0f2ab9a4bb88e22a9f07ba3943e3646d Mon Sep 17 00:00:00 2001
From: Huaxu Wan <huaxu.wan@linux.intel.com>
Date: Fri, 2 Oct 2009 13:44:00 -0700
Subject: [PATCH 0154/1815] iwlwifi: clear the translate table area

Driver should clear the translate table area after receiving "Alive"
response from uCode. This patch corrects a mistake when doing this.

Signed-off-by: Huaxu Wan <huaxu.wan@linux.intel.com>
Signed-off-by: Guo Chaohong <chaohong.guo@linux.intel.com>
Acked-by: Ben M Cahill  <ben.m.cahill@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-4965.c | 3 ++-
 drivers/net/wireless/iwlwifi/iwl-5000.c | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index 4e492c154f8..0921e454185 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -663,7 +663,8 @@ static int iwl4965_alive_notify(struct iwl_priv *priv)
 		iwl_write_targ_mem(priv, a, 0);
 	for (; a < priv->scd_base_addr + IWL49_SCD_TRANSLATE_TBL_OFFSET; a += 4)
 		iwl_write_targ_mem(priv, a, 0);
-	for (; a < sizeof(u16) * priv->hw_params.max_txq_num; a += 4)
+	for (; a < priv->scd_base_addr +
+	       IWL49_SCD_TRANSLATE_TBL_OFFSET_QUEUE(priv->hw_params.max_txq_num); a += 4)
 		iwl_write_targ_mem(priv, a, 0);
 
 	/* Tel 4965 where to find Tx byte count tables */
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 660fd51d190..01d53ebb96a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -748,7 +748,8 @@ int iwl5000_alive_notify(struct iwl_priv *priv)
 	for (; a < priv->scd_base_addr + IWL50_SCD_TRANSLATE_TBL_OFFSET;
 		a += 4)
 		iwl_write_targ_mem(priv, a, 0);
-	for (; a < sizeof(u16) * priv->hw_params.max_txq_num; a += 4)
+	for (; a < priv->scd_base_addr +
+	       IWL50_SCD_TRANSLATE_TBL_OFFSET_QUEUE(priv->hw_params.max_txq_num); a += 4)
 		iwl_write_targ_mem(priv, a, 0);
 
 	iwl_write_prph(priv, IWL50_SCD_DRAM_BASE_ADDR,
-- 
GitLab


From 4d80d7210bb5a36a18978d1305b44375ecb857d9 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 2 Oct 2009 13:44:01 -0700
Subject: [PATCH 0155/1815] iwlwifi: set default aggregation frame count limit
 to 31

Multiple MPDUs can be aggregated, transmitted, and finally acknowledged
together using a single BA frame. Block ACK (BA) contains
bitmap size of 64*16 bits so the maximum frame count is 64.
The default value of aggregation frame count suggested by uCode is 31 to
achieve best performance.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn-rs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
index e6c35e07f41..a07be29cc5e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
@@ -2800,7 +2800,7 @@ static void rs_fill_link_cmd(struct iwl_priv *priv,
 		repeat_rate--;
 	}
 
-	lq_cmd->agg_params.agg_frame_cnt_limit = LINK_QUAL_AGG_FRAME_LIMIT_MAX;
+	lq_cmd->agg_params.agg_frame_cnt_limit = LINK_QUAL_AGG_FRAME_LIMIT_DEF;
 	lq_cmd->agg_params.agg_dis_start_th = LINK_QUAL_AGG_DISABLE_START_DEF;
 	lq_cmd->agg_params.agg_time_limit =
 		cpu_to_le16(LINK_QUAL_AGG_TIME_LIMIT_DEF);
-- 
GitLab


From be1a71a128ed91372d4ad8d54d8fd972a1a356eb Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Fri, 2 Oct 2009 13:44:02 -0700
Subject: [PATCH 0156/1815] iwlwifi: device tracing

In order to have an easier way to debug issues, create
trace events (using the ftrace framework) that will
allow us to follow exactly what the driver is doing
with the device.

The text format isn't all that useful, but the binary
format can also be obtained easily via debugfs and
then analysed on the fly or offline with debugging
tools.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/Kconfig        |  18 ++
 drivers/net/wireless/iwlwifi/Makefile       |   7 +-
 drivers/net/wireless/iwlwifi/iwl-agn.c      |   8 +
 drivers/net/wireless/iwlwifi/iwl-devtrace.c |  13 ++
 drivers/net/wireless/iwlwifi/iwl-devtrace.h | 178 ++++++++++++++++++++
 drivers/net/wireless/iwlwifi/iwl-eeprom.h   |   2 +
 drivers/net/wireless/iwlwifi/iwl-io.h       |  16 +-
 drivers/net/wireless/iwlwifi/iwl-tx.c       |  14 +-
 drivers/net/wireless/iwlwifi/iwl3945-base.c |   8 +-
 9 files changed, 256 insertions(+), 8 deletions(-)
 create mode 100644 drivers/net/wireless/iwlwifi/iwl-devtrace.c
 create mode 100644 drivers/net/wireless/iwlwifi/iwl-devtrace.h

diff --git a/drivers/net/wireless/iwlwifi/Kconfig b/drivers/net/wireless/iwlwifi/Kconfig
index eb62c20e801..48d8f2cf566 100644
--- a/drivers/net/wireless/iwlwifi/Kconfig
+++ b/drivers/net/wireless/iwlwifi/Kconfig
@@ -49,6 +49,24 @@ config IWLWIFI_DEBUGFS
         ---help---
 	  Enable creation of debugfs files for the iwlwifi drivers.
 
+config IWLWIFI_DEVICE_TRACING
+	bool "iwlwifi device access tracing"
+	depends on IWLWIFI
+	depends on EVENT_TRACING
+	help
+	  Say Y here to trace all commands, including TX frames and IO
+	  accesses, sent to the device. If you say yes, iwlwifi will
+	  register with the ftrace framework for event tracing and dump
+	  all this information to the ringbuffer, you may need to
+	  increase the ringbuffer size. See the ftrace documentation
+	  for more information.
+
+	  When tracing is not enabled, this option still has some
+	  (though rather small) overhead.
+
+	  If unsure, say Y so we can help you better when problems
+	  occur.
+
 config IWLAGN
 	tristate "Intel Wireless WiFi Next Gen AGN (iwlagn)"
 	depends on IWLWIFI
diff --git a/drivers/net/wireless/iwlwifi/Makefile b/drivers/net/wireless/iwlwifi/Makefile
index 1d4e0a226fd..3f31d866054 100644
--- a/drivers/net/wireless/iwlwifi/Makefile
+++ b/drivers/net/wireless/iwlwifi/Makefile
@@ -5,7 +5,11 @@ iwlcore-objs 		+= iwl-scan.o
 iwlcore-$(CONFIG_IWLWIFI_DEBUGFS) += iwl-debugfs.o
 iwlcore-$(CONFIG_IWLWIFI_LEDS) += iwl-led.o
 iwlcore-$(CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT) += iwl-spectrum.o
+iwlcore-$(CONFIG_IWLWIFI_DEVICE_TRACING) += iwl-devtrace.o
 
+CFLAGS_iwl-devtrace.o := -I$(src)
+
+# AGN
 obj-$(CONFIG_IWLAGN)	+= iwlagn.o
 iwlagn-objs		:= iwl-agn.o iwl-agn-rs.o
 
@@ -14,7 +18,6 @@ iwlagn-$(CONFIG_IWL5000) += iwl-5000.o
 iwlagn-$(CONFIG_IWL5000) += iwl-6000.o
 iwlagn-$(CONFIG_IWL5000) += iwl-1000.o
 
+# 3945
 obj-$(CONFIG_IWL3945)	+= iwl3945.o
 iwl3945-objs		:= iwl3945-base.o iwl-3945.o iwl-3945-rs.o iwl-3945-led.o
-
-
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 26c66b4ffd6..4fb50d0eb53 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -791,6 +791,9 @@ void iwl_rx_handle(struct iwl_priv *priv)
 				 PCI_DMA_FROMDEVICE);
 		pkt = (struct iwl_rx_packet *)rxb->skb->data;
 
+		trace_iwlwifi_dev_rx(priv, pkt,
+			le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK);
+
 		/* Reclaim a command buffer only if this packet is a response
 		 *   to a (driver-originated) command.
 		 * If the packet (e.g. Rx frame) originated from uCode,
@@ -1610,6 +1613,9 @@ void iwl_dump_nic_error_log(struct iwl_priv *priv)
 	line = iwl_read_targ_mem(priv, base + 9 * sizeof(u32));
 	time = iwl_read_targ_mem(priv, base + 11 * sizeof(u32));
 
+	trace_iwlwifi_dev_ucode_error(priv, desc, time, data1, data2, line,
+				      blink1, blink2, ilink1, ilink2);
+
 	IWL_ERR(priv, "Desc                               Time       "
 		"data1      data2      line\n");
 	IWL_ERR(priv, "%-28s (#%02d) %010u 0x%08X 0x%08X %u\n",
@@ -1658,12 +1664,14 @@ static void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx,
 		ptr += sizeof(u32);
 		if (mode == 0) {
 			/* data, ev */
+			trace_iwlwifi_dev_ucode_event(priv, 0, time, ev);
 			IWL_ERR(priv, "EVT_LOG:0x%08x:%04u\n", time, ev);
 		} else {
 			data = iwl_read_targ_mem(priv, ptr);
 			ptr += sizeof(u32);
 			IWL_ERR(priv, "EVT_LOGT:%010u:0x%08x:%04u\n",
 					time, data, ev);
+			trace_iwlwifi_dev_ucode_event(priv, time, data, ev);
 		}
 	}
 }
diff --git a/drivers/net/wireless/iwlwifi/iwl-devtrace.c b/drivers/net/wireless/iwlwifi/iwl-devtrace.c
new file mode 100644
index 00000000000..4ef5acaa556
--- /dev/null
+++ b/drivers/net/wireless/iwlwifi/iwl-devtrace.c
@@ -0,0 +1,13 @@
+#include <linux/module.h>
+
+/* sparse doesn't like tracepoint macros */
+#ifndef __CHECKER__
+#define CREATE_TRACE_POINTS
+#include "iwl-devtrace.h"
+
+EXPORT_TRACEPOINT_SYMBOL(iwlwifi_dev_ioread32);
+EXPORT_TRACEPOINT_SYMBOL(iwlwifi_dev_iowrite32);
+EXPORT_TRACEPOINT_SYMBOL(iwlwifi_dev_rx);
+EXPORT_TRACEPOINT_SYMBOL(iwlwifi_dev_ucode_event);
+EXPORT_TRACEPOINT_SYMBOL(iwlwifi_dev_ucode_error);
+#endif
diff --git a/drivers/net/wireless/iwlwifi/iwl-devtrace.h b/drivers/net/wireless/iwlwifi/iwl-devtrace.h
new file mode 100644
index 00000000000..8c7159208da
--- /dev/null
+++ b/drivers/net/wireless/iwlwifi/iwl-devtrace.h
@@ -0,0 +1,178 @@
+#if !defined(__IWLWIFI_DEVICE_TRACE) || defined(TRACE_HEADER_MULTI_READ)
+#define __IWLWIFI_DEVICE_TRACE
+
+#include <linux/tracepoint.h>
+#include "iwl-dev.h"
+
+#if !defined(CONFIG_IWLWIFI_DEVICE_TRACING) || defined(__CHECKER__)
+#undef TRACE_EVENT
+#define TRACE_EVENT(name, proto, ...) \
+static inline void trace_ ## name(proto) {}
+#endif
+
+#define PRIV_ENTRY	__field(struct iwl_priv *, priv)
+#define PRIV_ASSIGN	__entry->priv = priv
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM iwlwifi
+
+TRACE_EVENT(iwlwifi_dev_ioread32,
+	TP_PROTO(struct iwl_priv *priv, u32 offs, u32 val),
+	TP_ARGS(priv, offs, val),
+	TP_STRUCT__entry(
+		PRIV_ENTRY
+		__field(u32, offs)
+		__field(u32, val)
+	),
+	TP_fast_assign(
+		PRIV_ASSIGN;
+		__entry->offs = offs;
+		__entry->val = val;
+	),
+	TP_printk("[%p] read io[%#x] = %#x", __entry->priv, __entry->offs, __entry->val)
+);
+
+TRACE_EVENT(iwlwifi_dev_iowrite32,
+	TP_PROTO(struct iwl_priv *priv, u32 offs, u32 val),
+	TP_ARGS(priv, offs, val),
+	TP_STRUCT__entry(
+		PRIV_ENTRY
+		__field(u32, offs)
+		__field(u32, val)
+	),
+	TP_fast_assign(
+		PRIV_ASSIGN;
+		__entry->offs = offs;
+		__entry->val = val;
+	),
+	TP_printk("[%p] write io[%#x] = %#x)", __entry->priv, __entry->offs, __entry->val)
+);
+
+TRACE_EVENT(iwlwifi_dev_hcmd,
+	TP_PROTO(struct iwl_priv *priv, void *hcmd, size_t len, u32 flags),
+	TP_ARGS(priv, hcmd, len, flags),
+	TP_STRUCT__entry(
+		PRIV_ENTRY
+		__dynamic_array(u8, hcmd, len)
+		__field(u32, flags)
+	),
+	TP_fast_assign(
+		PRIV_ASSIGN;
+		memcpy(__get_dynamic_array(hcmd), hcmd, len);
+		__entry->flags = flags;
+	),
+	TP_printk("[%p] hcmd %#.2x (%ssync)",
+		  __entry->priv, ((u8 *)__get_dynamic_array(hcmd))[0],
+		  __entry->flags & CMD_ASYNC ? "a" : "")
+);
+
+TRACE_EVENT(iwlwifi_dev_rx,
+	TP_PROTO(struct iwl_priv *priv, void *rxbuf, size_t len),
+	TP_ARGS(priv, rxbuf, len),
+	TP_STRUCT__entry(
+		PRIV_ENTRY
+		__dynamic_array(u8, rxbuf, len)
+	),
+	TP_fast_assign(
+		PRIV_ASSIGN;
+		memcpy(__get_dynamic_array(rxbuf), rxbuf, len);
+	),
+	TP_printk("[%p] RX cmd %#.2x",
+		  __entry->priv, ((u8 *)__get_dynamic_array(rxbuf))[4])
+);
+
+TRACE_EVENT(iwlwifi_dev_tx,
+	TP_PROTO(struct iwl_priv *priv, void *tfd, size_t tfdlen,
+		 void *buf0, size_t buf0_len,
+		 void *buf1, size_t buf1_len),
+	TP_ARGS(priv, tfd, tfdlen, buf0, buf0_len, buf1, buf1_len),
+	TP_STRUCT__entry(
+		PRIV_ENTRY
+
+		__field(size_t, framelen)
+		__dynamic_array(u8, tfd, tfdlen)
+
+		/*
+		 * Do not insert between or below these items,
+		 * we want to keep the frame together (except
+		 * for the possible padding).
+		 */
+		__dynamic_array(u8, buf0, buf0_len)
+		__dynamic_array(u8, buf1, buf1_len)
+	),
+	TP_fast_assign(
+		PRIV_ASSIGN;
+		__entry->framelen = buf0_len + buf1_len;
+		memcpy(__get_dynamic_array(tfd), tfd, tfdlen);
+		memcpy(__get_dynamic_array(buf0), buf0, buf0_len);
+		memcpy(__get_dynamic_array(buf1), buf1, buf0_len);
+	),
+	TP_printk("[%p] TX %.2x (%zu bytes)",
+		  __entry->priv,
+		  ((u8 *)__get_dynamic_array(buf0))[0],
+		  __entry->framelen)
+);
+
+TRACE_EVENT(iwlwifi_dev_ucode_error,
+	TP_PROTO(struct iwl_priv *priv, u32 desc, u32 time,
+		 u32 data1, u32 data2, u32 line, u32 blink1,
+		 u32 blink2, u32 ilink1, u32 ilink2),
+	TP_ARGS(priv, desc, time, data1, data2, line,
+		blink1, blink2, ilink1, ilink2),
+	TP_STRUCT__entry(
+		PRIV_ENTRY
+		__field(u32, desc)
+		__field(u32, time)
+		__field(u32, data1)
+		__field(u32, data2)
+		__field(u32, line)
+		__field(u32, blink1)
+		__field(u32, blink2)
+		__field(u32, ilink1)
+		__field(u32, ilink2)
+	),
+	TP_fast_assign(
+		PRIV_ASSIGN;
+		__entry->desc = desc;
+		__entry->time = time;
+		__entry->data1 = data1;
+		__entry->data2 = data2;
+		__entry->line = line;
+		__entry->blink1 = blink1;
+		__entry->blink2 = blink2;
+		__entry->ilink1 = ilink1;
+		__entry->ilink2 = ilink2;
+	),
+	TP_printk("[%p] #%02d %010u data 0x%08X 0x%08X line %u, "
+		  "blink 0x%05X 0x%05X ilink 0x%05X 0x%05X",
+		  __entry->priv, __entry->desc, __entry->time, __entry->data1,
+		  __entry->data2, __entry->line, __entry->blink1,
+		  __entry->blink2, __entry->ilink1, __entry->ilink2)
+);
+
+TRACE_EVENT(iwlwifi_dev_ucode_event,
+	TP_PROTO(struct iwl_priv *priv, u32 time, u32 data, u32 ev),
+	TP_ARGS(priv, time, data, ev),
+	TP_STRUCT__entry(
+		PRIV_ENTRY
+
+		__field(u32, time)
+		__field(u32, data)
+		__field(u32, ev)
+	),
+	TP_fast_assign(
+		PRIV_ASSIGN;
+		__entry->time = time;
+		__entry->data = data;
+		__entry->ev = ev;
+	),
+	TP_printk("[%p] EVT_LOGT:%010u:0x%08x:%04u",
+		  __entry->priv, __entry->time, __entry->data, __entry->ev)
+);
+#endif /* __IWLWIFI_DEVICE_TRACE */
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE iwl-devtrace
+#include <trace/define_trace.h>
diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.h b/drivers/net/wireless/iwlwifi/iwl-eeprom.h
index 643142f913b..fee6f0c7503 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.h
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.h
@@ -63,6 +63,8 @@
 #ifndef __iwl_eeprom_h__
 #define __iwl_eeprom_h__
 
+#include <net/mac80211.h>
+
 struct iwl_priv;
 
 /*
diff --git a/drivers/net/wireless/iwlwifi/iwl-io.h b/drivers/net/wireless/iwlwifi/iwl-io.h
index d30cb0275d1..0a078b08283 100644
--- a/drivers/net/wireless/iwlwifi/iwl-io.h
+++ b/drivers/net/wireless/iwlwifi/iwl-io.h
@@ -32,6 +32,7 @@
 #include <linux/io.h>
 
 #include "iwl-debug.h"
+#include "iwl-devtrace.h"
 
 /*
  * IO, register, and NIC memory access functions
@@ -61,7 +62,12 @@
  *
  */
 
-#define _iwl_write32(priv, ofs, val) iowrite32((val), (priv)->hw_base + (ofs))
+static inline void _iwl_write32(struct iwl_priv *priv, u32 ofs, u32 val)
+{
+	trace_iwlwifi_dev_iowrite32(priv, ofs, val);
+	iowrite32(val, priv->hw_base + ofs);
+}
+
 #ifdef CONFIG_IWLWIFI_DEBUG
 static inline void __iwl_write32(const char *f, u32 l, struct iwl_priv *priv,
 				 u32 ofs, u32 val)
@@ -75,7 +81,13 @@ static inline void __iwl_write32(const char *f, u32 l, struct iwl_priv *priv,
 #define iwl_write32(priv, ofs, val) _iwl_write32(priv, ofs, val)
 #endif
 
-#define _iwl_read32(priv, ofs) ioread32((priv)->hw_base + (ofs))
+static inline u32 _iwl_read32(struct iwl_priv *priv, u32 ofs)
+{
+	u32 val = ioread32(priv->hw_base + ofs);
+	trace_iwlwifi_dev_ioread32(priv, ofs, val);
+	return val;
+}
+
 #ifdef CONFIG_IWLWIFI_DEBUG
 static inline u32 __iwl_read32(char *f, u32 l, struct iwl_priv *priv, u32 ofs)
 {
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index 2ba9725beff..c832ba085db 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -709,7 +709,7 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 	dma_addr_t phys_addr;
 	dma_addr_t txcmd_phys;
 	dma_addr_t scratch_phys;
-	u16 len, len_org;
+	u16 len, len_org, firstlen, secondlen;
 	u16 seq_number = 0;
 	__le16 fc;
 	u8 hdr_len;
@@ -842,7 +842,7 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 		sizeof(struct iwl_cmd_header) + hdr_len;
 
 	len_org = len;
-	len = (len + 3) & ~3;
+	firstlen = len = (len + 3) & ~3;
 
 	if (len_org != len)
 		len_org = 1;
@@ -876,7 +876,7 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 
 	/* Set up TFD's 2nd entry to point directly to remainder of skb,
 	 * if any (802.11 null frames have no payload). */
-	len = skb->len - hdr_len;
+	secondlen = len = skb->len - hdr_len;
 	if (len) {
 		phys_addr = pci_map_single(priv->pci_dev, skb->data + hdr_len,
 					   len, PCI_DMA_TODEVICE);
@@ -910,6 +910,12 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 	pci_dma_sync_single_for_device(priv->pci_dev, txcmd_phys,
 				       len, PCI_DMA_BIDIRECTIONAL);
 
+	trace_iwlwifi_dev_tx(priv,
+			     &((struct iwl_tfd *)txq->tfds)[txq->q.write_ptr],
+			     sizeof(struct iwl_tfd),
+			     &out_cmd->hdr, firstlen,
+			     skb->data + hdr_len, secondlen);
+
 	/* Tell device the write index *just past* this latest filled TFD */
 	q->write_ptr = iwl_queue_inc_wrap(q->write_ptr, q->n_bd);
 	ret = iwl_txq_update_write_ptr(priv, txq);
@@ -1044,6 +1050,8 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
 	pci_unmap_addr_set(out_meta, mapping, phys_addr);
 	pci_unmap_len_set(out_meta, len, fix_size);
 
+	trace_iwlwifi_dev_hcmd(priv, &out_cmd->hdr, fix_size, cmd->flags);
+
 	priv->cfg->ops->lib->txq_attach_buf_to_tfd(priv, txq,
 						   phys_addr, fix_size, 1,
 						   U32_PAD(cmd->len));
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 3575e7fbadc..d0d1b7f4c39 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -1404,6 +1404,9 @@ static void iwl3945_rx_handle(struct iwl_priv *priv)
 				PCI_DMA_FROMDEVICE);
 		pkt = (struct iwl_rx_packet *)rxb->skb->data;
 
+		trace_iwlwifi_dev_rx(priv, pkt,
+			le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK);
+
 		/* Reclaim a command buffer only if this packet is a response
 		 *   to a (driver-originated) command.
 		 * If the packet (e.g. Rx frame) originated from uCode,
@@ -1549,8 +1552,9 @@ void iwl3945_dump_nic_error_log(struct iwl_priv *priv)
 			"%-13s (#%d) %010u 0x%05X 0x%05X 0x%05X 0x%05X %u\n\n",
 			desc_lookup(desc), desc, time, blink1, blink2,
 			ilink1, ilink2, data1);
+		trace_iwlwifi_dev_ucode_error(priv, desc, time, data1, 0,
+					0, blink1, blink2, ilink1, ilink2);
 	}
-
 }
 
 #define EVENT_START_OFFSET  (6 * sizeof(u32))
@@ -1590,10 +1594,12 @@ static void iwl3945_print_event_log(struct iwl_priv *priv, u32 start_idx,
 		if (mode == 0) {
 			/* data, ev */
 			IWL_ERR(priv, "0x%08x\t%04u\n", time, ev);
+			trace_iwlwifi_dev_ucode_event(priv, 0, time, ev);
 		} else {
 			data = iwl_read_targ_mem(priv, ptr);
 			ptr += sizeof(u32);
 			IWL_ERR(priv, "%010u\t0x%08x\t%04u\n", time, data, ev);
+			trace_iwlwifi_dev_ucode_event(priv, time, data, ev);
 		}
 	}
 }
-- 
GitLab


From e932a609e9759cc75db0c234f465a5fd6e20d362 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Fri, 2 Oct 2009 13:44:03 -0700
Subject: [PATCH 0157/1815] iwlwifi: LED cleanup

The iwlwifi drivers have LED blinking requirements that
mac80211 cannot fulfill due to the use of just a single
LED instead of different ones for TX, RX, radio etc.
Instead, the single LED blinks according to transfers
and is solid on the rest of the time. As such, having
LED class devices registered that mac80211 triggers are
connected to is pointless as we don't use the triggers
anyway.

Remove all the useless code and add hooks into the
driver itself. At the same time, make the LED code
abstracted so the core code that determines blink rate
etc. can be shared between 3945 and agn in iwlcore.

At the same time, the fact that we removed the use of
the mac80211 LED triggers means we can also remove the
IWLWIFI_LEDS Kconfig symbol since the LED support is
now self-contained.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/Kconfig        |   9 -
 drivers/net/wireless/iwlwifi/Makefile       |   5 +-
 drivers/net/wireless/iwlwifi/iwl-1000.c     |   2 +
 drivers/net/wireless/iwlwifi/iwl-3945-led.c | 371 +-------------------
 drivers/net/wireless/iwlwifi/iwl-3945-led.h |  22 +-
 drivers/net/wireless/iwlwifi/iwl-3945.c     |  10 +-
 drivers/net/wireless/iwlwifi/iwl-3945.h     |   2 +-
 drivers/net/wireless/iwlwifi/iwl-4965.c     |   2 +
 drivers/net/wireless/iwlwifi/iwl-5000.c     |   5 +-
 drivers/net/wireless/iwlwifi/iwl-6000.c     |   2 +
 drivers/net/wireless/iwlwifi/iwl-agn-led.c  |  85 +++++
 drivers/net/wireless/iwlwifi/iwl-agn-led.h  |  32 ++
 drivers/net/wireless/iwlwifi/iwl-agn.c      |   6 +-
 drivers/net/wireless/iwlwifi/iwl-core.c     |   7 +-
 drivers/net/wireless/iwlwifi/iwl-core.h     |   7 +
 drivers/net/wireless/iwlwifi/iwl-debug.h    |   2 -
 drivers/net/wireless/iwlwifi/iwl-debugfs.c  |   8 -
 drivers/net/wireless/iwlwifi/iwl-dev.h      |   7 +-
 drivers/net/wireless/iwlwifi/iwl-led.c      | 285 +--------------
 drivers/net/wireless/iwlwifi/iwl-led.h      |  38 +-
 drivers/net/wireless/iwlwifi/iwl3945-base.c |   8 +-
 21 files changed, 194 insertions(+), 721 deletions(-)
 create mode 100644 drivers/net/wireless/iwlwifi/iwl-agn-led.c
 create mode 100644 drivers/net/wireless/iwlwifi/iwl-agn-led.h

diff --git a/drivers/net/wireless/iwlwifi/Kconfig b/drivers/net/wireless/iwlwifi/Kconfig
index 48d8f2cf566..c82c97be7bf 100644
--- a/drivers/net/wireless/iwlwifi/Kconfig
+++ b/drivers/net/wireless/iwlwifi/Kconfig
@@ -2,15 +2,6 @@ config IWLWIFI
 	tristate "Intel Wireless Wifi"
 	depends on PCI && MAC80211 && WLAN_80211 && EXPERIMENTAL
 	select FW_LOADER
-	select MAC80211_LEDS if IWLWIFI_LEDS
-	select LEDS_CLASS if IWLWIFI_LEDS
-
-config IWLWIFI_LEDS
-	bool "Enable LED support in iwlagn and iwl3945 drivers"
-	depends on IWLWIFI
-	default y
-	---help---
-	  Select this if you want LED support.
 
 config IWLWIFI_SPECTRUM_MEASUREMENT
 	bool "Enable Spectrum Measurement in iwlagn driver"
diff --git a/drivers/net/wireless/iwlwifi/Makefile b/drivers/net/wireless/iwlwifi/Makefile
index 3f31d866054..7f82044af24 100644
--- a/drivers/net/wireless/iwlwifi/Makefile
+++ b/drivers/net/wireless/iwlwifi/Makefile
@@ -1,9 +1,8 @@
 obj-$(CONFIG_IWLWIFI)	+= iwlcore.o
 iwlcore-objs 		:= iwl-core.o iwl-eeprom.o iwl-hcmd.o iwl-power.o
 iwlcore-objs 		+= iwl-rx.o iwl-tx.o iwl-sta.o iwl-calib.o
-iwlcore-objs 		+= iwl-scan.o
+iwlcore-objs 		+= iwl-scan.o iwl-led.o
 iwlcore-$(CONFIG_IWLWIFI_DEBUGFS) += iwl-debugfs.o
-iwlcore-$(CONFIG_IWLWIFI_LEDS) += iwl-led.o
 iwlcore-$(CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT) += iwl-spectrum.o
 iwlcore-$(CONFIG_IWLWIFI_DEVICE_TRACING) += iwl-devtrace.o
 
@@ -11,7 +10,7 @@ CFLAGS_iwl-devtrace.o := -I$(src)
 
 # AGN
 obj-$(CONFIG_IWLAGN)	+= iwlagn.o
-iwlagn-objs		:= iwl-agn.o iwl-agn-rs.o
+iwlagn-objs		:= iwl-agn.o iwl-agn-rs.o iwl-agn-led.o
 
 iwlagn-$(CONFIG_IWL4965) += iwl-4965.o
 iwlagn-$(CONFIG_IWL5000) += iwl-5000.o
diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c
index af91dbab255..86d93b52c6f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-1000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-1000.c
@@ -44,6 +44,7 @@
 #include "iwl-sta.h"
 #include "iwl-helpers.h"
 #include "iwl-5000-hw.h"
+#include "iwl-agn-led.h"
 
 /* Highest firmware API version supported */
 #define IWL1000_UCODE_API_MAX 3
@@ -145,6 +146,7 @@ static struct iwl_ops iwl1000_ops = {
 	.lib = &iwl1000_lib,
 	.hcmd = &iwl5000_hcmd,
 	.utils = &iwl5000_hcmd_utils,
+	.led = &iwlagn_led_ops,
 };
 
 struct iwl_cfg iwl1000_bgn_cfg = {
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-led.c b/drivers/net/wireless/iwlwifi/iwl-3945-led.c
index 8c29ded7d02..a871d09d598 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945-led.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-led.c
@@ -24,8 +24,6 @@
  *
  *****************************************************************************/
 
-#ifdef CONFIG_IWLWIFI_LEDS
-
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/init.h>
@@ -43,388 +41,51 @@
 #include "iwl-3945.h"
 #include "iwl-core.h"
 #include "iwl-dev.h"
+#include "iwl-3945-led.h"
 
-#ifdef CONFIG_IWLWIFI_DEBUG
-static const char *led_type_str[] = {
-	__stringify(IWL_LED_TRG_TX),
-	__stringify(IWL_LED_TRG_RX),
-	__stringify(IWL_LED_TRG_ASSOC),
-	__stringify(IWL_LED_TRG_RADIO),
-	NULL
-};
-#endif /* CONFIG_IWLWIFI_DEBUG */
-
-static const struct {
-	u16 brightness;
-	u8 on_time;
-	u8 off_time;
-} blink_tbl[] =
-{
-	{300, 25, 25},
-	{200, 40, 40},
-	{100, 55, 55},
-	{70, 65, 65},
-	{50, 75, 75},
-	{20, 85, 85},
-	{15, 95, 95 },
-	{10, 110, 110},
-	{5, 130, 130},
-	{0, 167, 167},
-	/* SOLID_ON */
-	{-1, IWL_LED_SOLID, 0}
-};
-
-#define IWL_1MB_RATE (128 * 1024)
-#define IWL_LED_THRESHOLD (16)
-#define IWL_MAX_BLINK_TBL (ARRAY_SIZE(blink_tbl) - 1) /*Exclude Solid on*/
-#define IWL_SOLID_BLINK_IDX (ARRAY_SIZE(blink_tbl) - 1)
-
-static void iwl3945_led_cmd_callback(struct iwl_priv *priv,
-				     struct iwl_device_cmd *cmd,
-				     struct sk_buff *skb)
-{
-}
-
-static inline int iwl3945_brightness_to_idx(enum led_brightness brightness)
-{
-	return fls(0x000000FF & (u32)brightness);
-}
 
 /* Send led command */
-static int iwl_send_led_cmd(struct iwl_priv *priv,
-			    struct iwl_led_cmd *led_cmd)
+static int iwl3945_send_led_cmd(struct iwl_priv *priv,
+				struct iwl_led_cmd *led_cmd)
 {
 	struct iwl_host_cmd cmd = {
 		.id = REPLY_LEDS_CMD,
 		.len = sizeof(struct iwl_led_cmd),
 		.data = led_cmd,
 		.flags = CMD_ASYNC,
-		.callback = iwl3945_led_cmd_callback,
+		.callback = NULL,
 	};
 
 	return iwl_send_cmd(priv, &cmd);
 }
 
-
-
-/* Set led on command */
-static int iwl3945_led_pattern(struct iwl_priv *priv, int led_id,
-			       unsigned int idx)
-{
-	struct iwl_led_cmd led_cmd = {
-		.id = led_id,
-		.interval = IWL_DEF_LED_INTRVL
-	};
-
-	BUG_ON(idx > IWL_MAX_BLINK_TBL);
-
-	led_cmd.on = blink_tbl[idx].on_time;
-	led_cmd.off = blink_tbl[idx].off_time;
-
-	return iwl_send_led_cmd(priv, &led_cmd);
-}
-
-
 /* Set led on command */
-static int iwl3945_led_on(struct iwl_priv *priv, int led_id)
+static int iwl3945_led_on(struct iwl_priv *priv)
 {
 	struct iwl_led_cmd led_cmd = {
-		.id = led_id,
+		.id = IWL_LED_LINK,
 		.on = IWL_LED_SOLID,
 		.off = 0,
 		.interval = IWL_DEF_LED_INTRVL
 	};
-	return iwl_send_led_cmd(priv, &led_cmd);
+	return iwl3945_send_led_cmd(priv, &led_cmd);
 }
 
 /* Set led off command */
-static int iwl3945_led_off(struct iwl_priv *priv, int led_id)
+static int iwl3945_led_off(struct iwl_priv *priv)
 {
 	struct iwl_led_cmd led_cmd = {
-		.id = led_id,
+		.id = IWL_LED_LINK,
 		.on = 0,
 		.off = 0,
 		.interval = IWL_DEF_LED_INTRVL
 	};
-	IWL_DEBUG_LED(priv, "led off %d\n", led_id);
-	return iwl_send_led_cmd(priv, &led_cmd);
+	IWL_DEBUG_LED(priv, "led off\n");
+	return iwl3945_send_led_cmd(priv, &led_cmd);
 }
 
-/*
- *  Set led on in case of association
- *  */
-static int iwl3945_led_associate(struct iwl_priv *priv, int led_id)
-{
-	IWL_DEBUG_LED(priv, "Associated\n");
-
-	priv->allow_blinking = 1;
-	return iwl3945_led_on(priv, led_id);
-}
-/* Set Led off in case of disassociation */
-static int iwl3945_led_disassociate(struct iwl_priv *priv, int led_id)
-{
-	IWL_DEBUG_LED(priv, "Disassociated\n");
-
-	priv->allow_blinking = 0;
-
-	return 0;
-}
-
-/*
- * brightness call back function for Tx/Rx LED
- */
-static int iwl3945_led_associated(struct iwl_priv *priv, int led_id)
-{
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status) ||
-	    !test_bit(STATUS_READY, &priv->status))
-		return 0;
-
-
-	/* start counting Tx/Rx bytes */
-	if (!priv->last_blink_time && priv->allow_blinking)
-		priv->last_blink_time = jiffies;
-	return 0;
-}
-
-/*
- * brightness call back for association and radio
- */
-static void iwl3945_led_brightness_set(struct led_classdev *led_cdev,
-				enum led_brightness brightness)
-{
-	struct iwl_led *led = container_of(led_cdev,
-					   struct iwl_led, led_dev);
-	struct iwl_priv *priv = led->priv;
-
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
-		return;
-
-	IWL_DEBUG_LED(priv, "Led type = %s brightness = %d\n",
-			led_type_str[led->type], brightness);
-
-	switch (brightness) {
-	case LED_FULL:
-		if (led->led_on)
-			led->led_on(priv, IWL_LED_LINK);
-		break;
-	case LED_OFF:
-		if (led->led_off)
-			led->led_off(priv, IWL_LED_LINK);
-		break;
-	default:
-		if (led->led_pattern) {
-			int idx = iwl3945_brightness_to_idx(brightness);
-			led->led_pattern(priv, IWL_LED_LINK, idx);
-		}
-		break;
-	}
-}
-
-/*
- * Register led class with the system
- */
-static int iwl3945_led_register_led(struct iwl_priv *priv,
-				   struct iwl_led *led,
-				   enum led_type type, u8 set_led,
-				   char *trigger)
-{
-	struct device *device = wiphy_dev(priv->hw->wiphy);
-	int ret;
-
-	led->led_dev.name = led->name;
-	led->led_dev.brightness_set = iwl3945_led_brightness_set;
-	led->led_dev.default_trigger = trigger;
-
-	led->priv = priv;
-	led->type = type;
-
-	ret = led_classdev_register(device, &led->led_dev);
-	if (ret) {
-		IWL_ERR(priv, "Error: failed to register led handler.\n");
-		return ret;
-	}
-
-	led->registered = 1;
-
-	if (set_led && led->led_on)
-		led->led_on(priv, IWL_LED_LINK);
-	return 0;
-}
-
-
-/*
- * calculate blink rate according to last 2 sec Tx/Rx activities
- */
-static inline u8 get_blink_rate(struct iwl_priv *priv)
-{
-	int index;
-	s64 tpt = priv->rxtxpackets;
-
-	if (tpt < 0)
-		tpt = -tpt;
-
-	IWL_DEBUG_LED(priv, "tpt %lld \n", (long long)tpt);
-
-	if (!priv->allow_blinking)
-		index = IWL_MAX_BLINK_TBL;
-	else
-		for (index = 0; index < IWL_MAX_BLINK_TBL; index++)
-			if (tpt > (blink_tbl[index].brightness * IWL_1MB_RATE))
-				break;
-
-	IWL_DEBUG_LED(priv, "LED BLINK IDX=%d\n", index);
-	return index;
-}
-
-/*
- * this function called from handler. Since setting Led command can
- * happen very frequent we postpone led command to be called from
- * REPLY handler so we know ucode is up
- */
-void iwl3945_led_background(struct iwl_priv *priv)
-{
-	u8 blink_idx;
-
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status)) {
-		priv->last_blink_time = 0;
-		return;
-	}
-	if (iwl_is_rfkill(priv)) {
-		priv->last_blink_time = 0;
-		return;
-	}
-
-	if (!priv->allow_blinking) {
-		priv->last_blink_time = 0;
-		if (priv->last_blink_rate != IWL_SOLID_BLINK_IDX) {
-			priv->last_blink_rate = IWL_SOLID_BLINK_IDX;
-			iwl3945_led_pattern(priv, IWL_LED_LINK,
-					    IWL_SOLID_BLINK_IDX);
-		}
-		return;
-	}
-	if (!priv->last_blink_time ||
-	    !time_after(jiffies, priv->last_blink_time +
-			msecs_to_jiffies(1000)))
-		return;
-
-	blink_idx = get_blink_rate(priv);
-
-	/* call only if blink rate change */
-	if (blink_idx != priv->last_blink_rate)
-		iwl3945_led_pattern(priv, IWL_LED_LINK, blink_idx);
-
-	priv->last_blink_time = jiffies;
-	priv->last_blink_rate = blink_idx;
-	priv->rxtxpackets = 0;
-}
-
-
-/* Register all led handler */
-int iwl3945_led_register(struct iwl_priv *priv)
-{
-	char *trigger;
-	int ret;
-
-	priv->last_blink_rate = 0;
-	priv->rxtxpackets = 0;
-	priv->led_tpt = 0;
-	priv->last_blink_time = 0;
-	priv->allow_blinking = 0;
-
-	trigger = ieee80211_get_radio_led_name(priv->hw);
-	snprintf(priv->led[IWL_LED_TRG_RADIO].name,
-		 sizeof(priv->led[IWL_LED_TRG_RADIO].name), "iwl-%s::radio",
-		 wiphy_name(priv->hw->wiphy));
-
-	priv->led[IWL_LED_TRG_RADIO].led_on = iwl3945_led_on;
-	priv->led[IWL_LED_TRG_RADIO].led_off = iwl3945_led_off;
-	priv->led[IWL_LED_TRG_RADIO].led_pattern = NULL;
-
-	ret = iwl3945_led_register_led(priv,
-				   &priv->led[IWL_LED_TRG_RADIO],
-				   IWL_LED_TRG_RADIO, 1, trigger);
-
-	if (ret)
-		goto exit_fail;
-
-	trigger = ieee80211_get_assoc_led_name(priv->hw);
-	snprintf(priv->led[IWL_LED_TRG_ASSOC].name,
-		 sizeof(priv->led[IWL_LED_TRG_ASSOC].name), "iwl-%s::assoc",
-		 wiphy_name(priv->hw->wiphy));
-
-	ret = iwl3945_led_register_led(priv,
-				   &priv->led[IWL_LED_TRG_ASSOC],
-				   IWL_LED_TRG_ASSOC, 0, trigger);
-
-	/* for assoc always turn led on */
-	priv->led[IWL_LED_TRG_ASSOC].led_on = iwl3945_led_associate;
-	priv->led[IWL_LED_TRG_ASSOC].led_off = iwl3945_led_disassociate;
-	priv->led[IWL_LED_TRG_ASSOC].led_pattern = NULL;
-
-	if (ret)
-		goto exit_fail;
-
-	trigger = ieee80211_get_rx_led_name(priv->hw);
-	snprintf(priv->led[IWL_LED_TRG_RX].name,
-		 sizeof(priv->led[IWL_LED_TRG_RX].name), "iwl-%s::RX",
-		 wiphy_name(priv->hw->wiphy));
-
-	ret = iwl3945_led_register_led(priv,
-				   &priv->led[IWL_LED_TRG_RX],
-				   IWL_LED_TRG_RX, 0, trigger);
-
-	priv->led[IWL_LED_TRG_RX].led_on = iwl3945_led_associated;
-	priv->led[IWL_LED_TRG_RX].led_off = iwl3945_led_associated;
-	priv->led[IWL_LED_TRG_RX].led_pattern = iwl3945_led_pattern;
-
-	if (ret)
-		goto exit_fail;
-
-	trigger = ieee80211_get_tx_led_name(priv->hw);
-	snprintf(priv->led[IWL_LED_TRG_TX].name,
-		 sizeof(priv->led[IWL_LED_TRG_TX].name), "iwl-%s::TX",
-		 wiphy_name(priv->hw->wiphy));
-
-	ret = iwl3945_led_register_led(priv,
-				   &priv->led[IWL_LED_TRG_TX],
-				   IWL_LED_TRG_TX, 0, trigger);
-
-	priv->led[IWL_LED_TRG_TX].led_on = iwl3945_led_associated;
-	priv->led[IWL_LED_TRG_TX].led_off = iwl3945_led_associated;
-	priv->led[IWL_LED_TRG_TX].led_pattern = iwl3945_led_pattern;
-
-	if (ret)
-		goto exit_fail;
-
-	return 0;
-
-exit_fail:
-	iwl3945_led_unregister(priv);
-	return ret;
-}
-
-
-/* unregister led class */
-static void iwl3945_led_unregister_led(struct iwl_led *led, u8 set_led)
-{
-	if (!led->registered)
-		return;
-
-	led_classdev_unregister(&led->led_dev);
-
-	if (set_led)
-		led->led_dev.brightness_set(&led->led_dev, LED_OFF);
-	led->registered = 0;
-}
-
-/* Unregister all led handlers */
-void iwl3945_led_unregister(struct iwl_priv *priv)
-{
-	iwl3945_led_unregister_led(&priv->led[IWL_LED_TRG_ASSOC], 0);
-	iwl3945_led_unregister_led(&priv->led[IWL_LED_TRG_RX], 0);
-	iwl3945_led_unregister_led(&priv->led[IWL_LED_TRG_TX], 0);
-	iwl3945_led_unregister_led(&priv->led[IWL_LED_TRG_RADIO], 1);
-}
-
-#endif
+const struct iwl_led_ops iwl3945_led_ops = {
+	.cmd = iwl3945_send_led_cmd,
+	.on = iwl3945_led_on,
+	.off = iwl3945_led_off,
+};
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-led.h b/drivers/net/wireless/iwlwifi/iwl-3945-led.h
index 3b65642258c..5a1033ca7aa 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945-led.h
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-led.h
@@ -24,23 +24,9 @@
  *
  *****************************************************************************/
 
-#ifndef IWL3945_LEDS_H
-#define IWL3945_LEDS_H
+#ifndef __iwl_3945_led_h__
+#define __iwl_3945_led_h__
 
-struct iwl_priv;
+extern const struct iwl_led_ops iwl3945_led_ops;
 
-#ifdef CONFIG_IWLWIFI_LEDS
-
-#include "iwl-led.h"
-
-extern int iwl3945_led_register(struct iwl_priv *priv);
-extern void iwl3945_led_unregister(struct iwl_priv *priv);
-extern void iwl3945_led_background(struct iwl_priv *priv);
-
-#else
-static inline int iwl3945_led_register(struct iwl_priv *priv) { return 0; }
-static inline void iwl3945_led_unregister(struct iwl_priv *priv) {}
-static inline void iwl3945_led_background(struct iwl_priv *priv) {}
-
-#endif /* IWLWIFI_LEDS*/
-#endif /* IWL3945_LEDS_H */
+#endif /* __iwl_3945_led_h__ */
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 33e40c21eb7..f0ce5c45ca0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -46,7 +46,8 @@
 #include "iwl-eeprom.h"
 #include "iwl-helpers.h"
 #include "iwl-core.h"
-#include "iwl-agn-rs.h"
+#include "iwl-led.h"
+#include "iwl-3945-led.h"
 
 #define IWL_DECLARE_RATE_INFO(r, ip, in, rp, rn, pp, np)    \
 	[IWL_RATE_##r##M_INDEX] = { IWL_RATE_##r##M_PLCP,   \
@@ -359,7 +360,7 @@ void iwl3945_hw_rx_statistics(struct iwl_priv *priv,
 
 	memcpy(&priv->statistics_39, pkt->u.raw, sizeof(priv->statistics_39));
 
-	iwl3945_led_background(priv);
+	iwl_leds_background(priv);
 
 	priv->last_statistics_time = jiffies;
 }
@@ -572,10 +573,6 @@ static void iwl3945_pass_packet_to_mac80211(struct iwl_priv *priv,
 				       (struct ieee80211_hdr *)rxb->skb->data,
 				       le32_to_cpu(rx_end->status), stats);
 
-#ifdef CONFIG_IWLWIFI_LEDS
-	if (ieee80211_is_data(hdr->frame_control))
-		priv->rxtxpackets += len;
-#endif
 	iwl_update_stats(priv, false, hdr->frame_control, len);
 
 	memcpy(IEEE80211_SKB_RXCB(rxb->skb), stats, sizeof(*stats));
@@ -2880,6 +2877,7 @@ static struct iwl_ops iwl3945_ops = {
 	.lib = &iwl3945_lib,
 	.hcmd = &iwl3945_hcmd,
 	.utils = &iwl3945_hcmd_utils,
+	.led = &iwl3945_led_ops,
 };
 
 static struct iwl_cfg iwl3945_bg_cfg = {
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.h b/drivers/net/wireless/iwlwifi/iwl-3945.h
index 21679bf3a1a..f3907c1079f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.h
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.h
@@ -46,7 +46,7 @@ extern struct pci_device_id iwl3945_hw_card_ids[];
 #include "iwl-debug.h"
 #include "iwl-power.h"
 #include "iwl-dev.h"
-#include "iwl-3945-led.h"
+#include "iwl-led.h"
 
 /* Highest firmware API version supported */
 #define IWL3945_UCODE_API_MAX 2
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index 0921e454185..8717946de01 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -44,6 +44,7 @@
 #include "iwl-helpers.h"
 #include "iwl-calib.h"
 #include "iwl-sta.h"
+#include "iwl-agn-led.h"
 
 static int iwl4965_send_tx_power(struct iwl_priv *priv);
 static int iwl4965_hw_get_temperature(struct iwl_priv *priv);
@@ -2341,6 +2342,7 @@ static struct iwl_ops iwl4965_ops = {
 	.lib = &iwl4965_lib,
 	.hcmd = &iwl4965_hcmd,
 	.utils = &iwl4965_hcmd_utils,
+	.led = &iwlagn_led_ops,
 };
 
 struct iwl_cfg iwl4965_agn_cfg = {
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 01d53ebb96a..624853503db 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -42,6 +42,7 @@
 #include "iwl-io.h"
 #include "iwl-sta.h"
 #include "iwl-helpers.h"
+#include "iwl-agn-led.h"
 #include "iwl-5000-hw.h"
 #include "iwl-6000-hw.h"
 
@@ -1641,11 +1642,12 @@ static struct iwl_lib_ops iwl5150_lib = {
 	 },
 };
 
-struct iwl_ops iwl5000_ops = {
+static struct iwl_ops iwl5000_ops = {
 	.ucode = &iwl5000_ucode,
 	.lib = &iwl5000_lib,
 	.hcmd = &iwl5000_hcmd,
 	.utils = &iwl5000_hcmd_utils,
+	.led = &iwlagn_led_ops,
 };
 
 static struct iwl_ops iwl5150_ops = {
@@ -1653,6 +1655,7 @@ static struct iwl_ops iwl5150_ops = {
 	.lib = &iwl5150_lib,
 	.hcmd = &iwl5000_hcmd,
 	.utils = &iwl5000_hcmd_utils,
+	.led = &iwlagn_led_ops,
 };
 
 struct iwl_mod_params iwl50_mod_params = {
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index 6f4ee27e07c..a002214f4d4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -45,6 +45,7 @@
 #include "iwl-helpers.h"
 #include "iwl-5000-hw.h"
 #include "iwl-6000-hw.h"
+#include "iwl-agn-led.h"
 
 /* Highest firmware API version supported */
 #define IWL6000_UCODE_API_MAX 4
@@ -227,6 +228,7 @@ static struct iwl_ops iwl6000_ops = {
 	.lib = &iwl6000_lib,
 	.hcmd = &iwl5000_hcmd,
 	.utils = &iwl5000_hcmd_utils,
+	.led = &iwlagn_led_ops,
 };
 
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-led.c b/drivers/net/wireless/iwlwifi/iwl-agn-led.c
new file mode 100644
index 00000000000..3bccba20f6d
--- /dev/null
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-led.c
@@ -0,0 +1,85 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2003 - 2009 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * Contact Information:
+ *  Intel Linux Wireless <ilw@linux.intel.com>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ *****************************************************************************/
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/dma-mapping.h>
+#include <linux/delay.h>
+#include <linux/skbuff.h>
+#include <linux/netdevice.h>
+#include <linux/wireless.h>
+#include <net/mac80211.h>
+#include <linux/etherdevice.h>
+#include <asm/unaligned.h>
+
+#include "iwl-commands.h"
+#include "iwl-dev.h"
+#include "iwl-core.h"
+#include "iwl-io.h"
+#include "iwl-agn-led.h"
+
+/* Send led command */
+static int iwl_send_led_cmd(struct iwl_priv *priv, struct iwl_led_cmd *led_cmd)
+{
+	struct iwl_host_cmd cmd = {
+		.id = REPLY_LEDS_CMD,
+		.len = sizeof(struct iwl_led_cmd),
+		.data = led_cmd,
+		.flags = CMD_ASYNC,
+		.callback = NULL,
+	};
+	u32 reg;
+
+	reg = iwl_read32(priv, CSR_LED_REG);
+	if (reg != (reg & CSR_LED_BSM_CTRL_MSK))
+		iwl_write32(priv, CSR_LED_REG, reg & CSR_LED_BSM_CTRL_MSK);
+
+	return iwl_send_cmd(priv, &cmd);
+}
+
+/* Set led register off */
+static int iwl_led_on_reg(struct iwl_priv *priv)
+{
+	IWL_DEBUG_LED(priv, "led on\n");
+	iwl_write32(priv, CSR_LED_REG, CSR_LED_REG_TRUN_ON);
+	return 0;
+}
+
+/* Set led register off */
+static int iwl_led_off_reg(struct iwl_priv *priv)
+{
+	IWL_DEBUG_LED(priv, "LED Reg off\n");
+	iwl_write32(priv, CSR_LED_REG, CSR_LED_REG_TRUN_OFF);
+	return 0;
+}
+
+const struct iwl_led_ops iwlagn_led_ops = {
+	.cmd = iwl_send_led_cmd,
+	.on = iwl_led_on_reg,
+	.off = iwl_led_off_reg,
+};
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-led.h b/drivers/net/wireless/iwlwifi/iwl-agn-led.h
new file mode 100644
index 00000000000..ab55f92a161
--- /dev/null
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-led.h
@@ -0,0 +1,32 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2003 - 2009 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * Contact Information:
+ *  Intel Linux Wireless <ilw@linux.intel.com>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ *****************************************************************************/
+
+#ifndef __iwl_agn_led_h__
+#define __iwl_agn_led_h__
+
+extern const struct iwl_led_ops iwlagn_led_ops;
+
+#endif /* __iwl_agn_led_h__ */
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 4fb50d0eb53..046b571fd9c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1801,7 +1801,7 @@ static void iwl_alive_start(struct iwl_priv *priv)
 	/* At this point, the NIC is initialized and operational */
 	iwl_rf_kill_ct_config(priv);
 
-	iwl_leds_register(priv);
+	iwl_leds_init(priv);
 
 	IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n");
 	set_bit(STATUS_READY, &priv->status);
@@ -1839,8 +1839,6 @@ static void __iwl_down(struct iwl_priv *priv)
 	if (!exit_pending)
 		set_bit(STATUS_EXIT_PENDING, &priv->status);
 
-	iwl_leds_unregister(priv);
-
 	iwl_clear_stations_table(priv);
 
 	/* Unblock any waiting calls */
@@ -2339,6 +2337,8 @@ static int iwl_mac_start(struct ieee80211_hw *hw)
 		}
 	}
 
+	iwl_led_start(priv);
+
 out:
 	priv->is_open = 1;
 	IWL_DEBUG_MAC80211(priv, "leave\n");
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 1cf2e04fe3f..34547cf3a66 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -2384,6 +2384,8 @@ void iwl_bss_info_changed(struct ieee80211_hw *hw,
 			priv->timestamp = bss_conf->timestamp;
 			priv->assoc_capability = bss_conf->assoc_capability;
 
+			iwl_led_associate(priv);
+
 			/*
 			 * We have just associated, don't start scan too early
 			 * leave time for EAPOL exchange to complete.
@@ -2394,9 +2396,10 @@ void iwl_bss_info_changed(struct ieee80211_hw *hw,
 					IWL_DELAY_NEXT_SCAN_AFTER_ASSOC;
 			if (!iwl_is_rfkill(priv))
 				priv->cfg->ops->lib->post_associate(priv);
-		} else
+		} else {
 			priv->assoc_id = 0;
-
+			iwl_led_disassociate(priv);
+		}
 	}
 
 	if (changes && iwl_is_associated(priv) && priv->assoc_id) {
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 3bd0e59bb5a..eb586a54618 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -187,11 +187,18 @@ struct iwl_lib_ops {
 	struct iwl_temp_ops temp_ops;
 };
 
+struct iwl_led_ops {
+	int (*cmd)(struct iwl_priv *priv, struct iwl_led_cmd *led_cmd);
+	int (*on)(struct iwl_priv *priv);
+	int (*off)(struct iwl_priv *priv);
+};
+
 struct iwl_ops {
 	const struct iwl_ucode_ops *ucode;
 	const struct iwl_lib_ops *lib;
 	const struct iwl_hcmd_ops *hcmd;
 	const struct iwl_hcmd_utils_ops *utils;
+	const struct iwl_led_ops *led;
 };
 
 struct iwl_mod_params {
diff --git a/drivers/net/wireless/iwlwifi/iwl-debug.h b/drivers/net/wireless/iwlwifi/iwl-debug.h
index cbc62904655..b9ca475cc61 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debug.h
+++ b/drivers/net/wireless/iwlwifi/iwl-debug.h
@@ -84,9 +84,7 @@ struct iwl_debugfs {
 		struct dentry *file_interrupt;
 		struct dentry *file_qos;
 		struct dentry *file_thermal_throttling;
-#ifdef CONFIG_IWLWIFI_LEDS
 		struct dentry *file_led;
-#endif
 		struct dentry *file_disable_ht40;
 		struct dentry *file_sleep_level_override;
 		struct dentry *file_current_sleep_command;
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index fa6371d171c..1794b9c4e6a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -677,7 +677,6 @@ static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
 	return ret;
 }
 
-#ifdef CONFIG_IWLWIFI_LEDS
 static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf,
 				  size_t count, loff_t *ppos)
 {
@@ -702,7 +701,6 @@ static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf,
 	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 	return ret;
 }
-#endif
 
 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
 				char __user *user_buf,
@@ -866,9 +864,7 @@ DEBUGFS_READ_FILE_OPS(channels);
 DEBUGFS_READ_FILE_OPS(status);
 DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
 DEBUGFS_READ_FILE_OPS(qos);
-#ifdef CONFIG_IWLWIFI_LEDS
 DEBUGFS_READ_FILE_OPS(led);
-#endif
 DEBUGFS_READ_FILE_OPS(thermal_throttling);
 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
@@ -1666,9 +1662,7 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
 	DEBUGFS_ADD_FILE(status, data);
 	DEBUGFS_ADD_FILE(interrupt, data);
 	DEBUGFS_ADD_FILE(qos, data);
-#ifdef CONFIG_IWLWIFI_LEDS
 	DEBUGFS_ADD_FILE(led, data);
-#endif
 	DEBUGFS_ADD_FILE(sleep_level_override, data);
 	DEBUGFS_ADD_FILE(current_sleep_command, data);
 	DEBUGFS_ADD_FILE(thermal_throttling, data);
@@ -1721,9 +1715,7 @@ void iwl_dbgfs_unregister(struct iwl_priv *priv)
 	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_status);
 	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_interrupt);
 	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_qos);
-#ifdef CONFIG_IWLWIFI_LEDS
 	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_led);
-#endif
 	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_thermal_throttling);
 	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_disable_ht40);
 	DEBUGFS_REMOVE(priv->dbgfs->dir_data);
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index ad99ce7824c..eabc55695af 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -43,7 +43,6 @@
 #include "iwl-debug.h"
 #include "iwl-4965-hw.h"
 #include "iwl-3945-hw.h"
-#include "iwl-3945-led.h"
 #include "iwl-led.h"
 #include "iwl-power.h"
 #include "iwl-agn-rs.h"
@@ -73,7 +72,6 @@ struct iwl_tx_queue;
 
 /* shared structures from iwl-5000.c */
 extern struct iwl_mod_params iwl50_mod_params;
-extern struct iwl_ops iwl5000_ops;
 extern struct iwl_ucode_ops iwl5000_ucode;
 extern struct iwl_lib_ops iwl5000_lib;
 extern struct iwl_hcmd_ops iwl5000_hcmd;
@@ -1066,14 +1064,11 @@ struct iwl_priv {
 	struct iwl_init_alive_resp card_alive_init;
 	struct iwl_alive_resp card_alive;
 
-#ifdef CONFIG_IWLWIFI_LEDS
 	unsigned long last_blink_time;
 	u8 last_blink_rate;
 	u8 allow_blinking;
 	u64 led_tpt;
-	struct iwl_led led[IWL_LED_TRG_MAX];
-	unsigned int rxtxpackets;
-#endif
+
 	u16 active_rate;
 	u16 active_rate_basic;
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-led.c b/drivers/net/wireless/iwlwifi/iwl-led.c
index 685ba9d6f08..478c90511eb 100644
--- a/drivers/net/wireless/iwlwifi/iwl-led.c
+++ b/drivers/net/wireless/iwlwifi/iwl-led.c
@@ -48,16 +48,6 @@ module_param(led_mode, int, S_IRUGO);
 MODULE_PARM_DESC(led_mode, "led mode: 0=blinking, 1=On(RF On)/Off(RF Off), "
 			   "(default 0)\n");
 
-#ifdef CONFIG_IWLWIFI_DEBUG
-static const char *led_type_str[] = {
-	__stringify(IWL_LED_TRG_TX),
-	__stringify(IWL_LED_TRG_RX),
-	__stringify(IWL_LED_TRG_ASSOC),
-	__stringify(IWL_LED_TRG_RADIO),
-	NULL
-};
-#endif /* CONFIG_IWLWIFI_DEBUG */
-
 
 static const struct {
 	u16 tpt;	/* Mb/s */
@@ -75,7 +65,7 @@ static const struct {
 	{5, 110, 110},
 	{1, 130, 130},
 	{0, 167, 167},
-/* SOLID_ON */
+	/* SOLID_ON */
 	{-1, IWL_LED_SOLID, 0}
 };
 
@@ -107,37 +97,11 @@ static inline u8 iwl_blink_compensation(struct iwl_priv *priv,
 	return (u8)((time * compensation) >> 6);
 }
 
-/*  [0-256] -> [0..8] FIXME: we need [0..10] */
-static inline int iwl_brightness_to_idx(enum led_brightness brightness)
-{
-	return fls(0x000000FF & (u32)brightness);
-}
-
-/* Send led command */
-static int iwl_send_led_cmd(struct iwl_priv *priv, struct iwl_led_cmd *led_cmd)
-{
-	struct iwl_host_cmd cmd = {
-		.id = REPLY_LEDS_CMD,
-		.len = sizeof(struct iwl_led_cmd),
-		.data = led_cmd,
-		.flags = CMD_ASYNC,
-		.callback = NULL,
-	};
-	u32 reg;
-
-	reg = iwl_read32(priv, CSR_LED_REG);
-	if (reg != (reg & CSR_LED_BSM_CTRL_MSK))
-		iwl_write32(priv, CSR_LED_REG, reg & CSR_LED_BSM_CTRL_MSK);
-
-	return iwl_send_cmd(priv, &cmd);
-}
-
 /* Set led pattern command */
-static int iwl_led_pattern(struct iwl_priv *priv, int led_id,
-			       unsigned int idx)
+static int iwl_led_pattern(struct iwl_priv *priv, unsigned int idx)
 {
 	struct iwl_led_cmd led_cmd = {
-		.id = led_id,
+		.id = IWL_LED_LINK,
 		.interval = IWL_DEF_LED_INTRVL
 	};
 
@@ -152,153 +116,32 @@ static int iwl_led_pattern(struct iwl_priv *priv, int led_id,
 		iwl_blink_compensation(priv, blink_tbl[idx].off_time,
 					priv->cfg->led_compensation);
 
-	return iwl_send_led_cmd(priv, &led_cmd);
-}
-
-/* Set led register off */
-static int iwl_led_on_reg(struct iwl_priv *priv, int led_id)
-{
-	IWL_DEBUG_LED(priv, "led on %d\n", led_id);
-	iwl_write32(priv, CSR_LED_REG, CSR_LED_REG_TRUN_ON);
-	return 0;
-}
-
-#if 0
-/* Set led on command */
-static int iwl_led_on(struct iwl_priv *priv, int led_id)
-{
-	struct iwl_led_cmd led_cmd = {
-		.id = led_id,
-		.on = IWL_LED_SOLID,
-		.off = 0,
-		.interval = IWL_DEF_LED_INTRVL
-	};
-	return iwl_send_led_cmd(priv, &led_cmd);
-}
-
-/* Set led off command */
-int iwl_led_off(struct iwl_priv *priv, int led_id)
-{
-	struct iwl_led_cmd led_cmd = {
-		.id = led_id,
-		.on = 0,
-		.off = 0,
-		.interval = IWL_DEF_LED_INTRVL
-	};
-	IWL_DEBUG_LED(priv, "led off %d\n", led_id);
-	return iwl_send_led_cmd(priv, &led_cmd);
+	return priv->cfg->ops->led->cmd(priv, &led_cmd);
 }
-#endif
 
-
-/* Set led register off */
-static int iwl_led_off_reg(struct iwl_priv *priv, int led_id)
+int iwl_led_start(struct iwl_priv *priv)
 {
-	IWL_DEBUG_LED(priv, "LED Reg off\n");
-	iwl_write32(priv, CSR_LED_REG, CSR_LED_REG_TRUN_OFF);
-	return 0;
+	return priv->cfg->ops->led->on(priv);
 }
+EXPORT_SYMBOL(iwl_led_start);
 
-/*
- * Set led register in case of disassociation according to rfkill state
- */
-static int iwl_led_associate(struct iwl_priv *priv, int led_id)
+int iwl_led_associate(struct iwl_priv *priv)
 {
 	IWL_DEBUG_LED(priv, "Associated\n");
 	if (led_mode == IWL_LED_BLINK)
 		priv->allow_blinking = 1;
-	return iwl_led_on_reg(priv, led_id);
-}
-static int iwl_led_disassociate(struct iwl_priv *priv, int led_id)
-{
-	priv->allow_blinking = 0;
-
-	return 0;
-}
-
-/*
- * brightness call back function for Tx/Rx LED
- */
-static int iwl_led_associated(struct iwl_priv *priv, int led_id)
-{
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status) ||
-	    !test_bit(STATUS_READY, &priv->status))
-		return 0;
-
+	priv->last_blink_time = jiffies;
 
-	/* start counting Tx/Rx bytes */
-	if (!priv->last_blink_time && priv->allow_blinking)
-		priv->last_blink_time = jiffies;
 	return 0;
 }
 
-/*
- * brightness call back for association and radio
- */
-static void iwl_led_brightness_set(struct led_classdev *led_cdev,
-				       enum led_brightness brightness)
+int iwl_led_disassociate(struct iwl_priv *priv)
 {
-	struct iwl_led *led = container_of(led_cdev, struct iwl_led, led_dev);
-	struct iwl_priv *priv = led->priv;
-
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
-		return;
-
-
-	IWL_DEBUG_LED(priv, "Led type = %s brightness = %d\n",
-			led_type_str[led->type], brightness);
-	switch (brightness) {
-	case LED_FULL:
-		if (led->led_on)
-			led->led_on(priv, IWL_LED_LINK);
-		break;
-	case LED_OFF:
-		if (led->led_off)
-			led->led_off(priv, IWL_LED_LINK);
-		break;
-	default:
-		if (led->led_pattern) {
-			int idx = iwl_brightness_to_idx(brightness);
-			led->led_pattern(priv, IWL_LED_LINK, idx);
-		}
-		break;
-	}
-}
-
-
-
-/*
- * Register led class with the system
- */
-static int iwl_leds_register_led(struct iwl_priv *priv, struct iwl_led *led,
-				   enum led_type type, u8 set_led,
-				   char *trigger)
-{
-	struct device *device = wiphy_dev(priv->hw->wiphy);
-	int ret;
-
-	led->led_dev.name = led->name;
-	led->led_dev.brightness_set = iwl_led_brightness_set;
-	led->led_dev.default_trigger = trigger;
-
-	led->priv = priv;
-	led->type = type;
-
-	ret = led_classdev_register(device, &led->led_dev);
-	if (ret) {
-		IWL_ERR(priv, "Error: failed to register led handler.\n");
-		return ret;
-	}
-
-	led->registered = 1;
-
-	if (set_led && led->led_on)
-		led->led_on(priv, IWL_LED_LINK);
+	priv->allow_blinking = 0;
 
 	return 0;
 }
 
-
 /*
  * calculate blink rate according to last second Tx/Rx activities
  */
@@ -324,7 +167,7 @@ static int iwl_get_blink_rate(struct iwl_priv *priv)
 		i = IWL_MAX_BLINK_TBL;
 	else
 		for (i = 0; i < IWL_MAX_BLINK_TBL; i++)
-			if (tpt  > (blink_tbl[i].tpt * IWL_1MB_RATE))
+			if (tpt > (blink_tbl[i].tpt * IWL_1MB_RATE))
 				break;
 
 	IWL_DEBUG_LED(priv, "LED BLINK IDX=%d\n", i);
@@ -353,8 +196,7 @@ void iwl_leds_background(struct iwl_priv *priv)
 		priv->last_blink_time = 0;
 		if (priv->last_blink_rate != IWL_SOLID_BLINK_IDX) {
 			priv->last_blink_rate = IWL_SOLID_BLINK_IDX;
-			iwl_led_pattern(priv, IWL_LED_LINK,
-					    IWL_SOLID_BLINK_IDX);
+			iwl_led_pattern(priv, IWL_SOLID_BLINK_IDX);
 		}
 		return;
 	}
@@ -367,111 +209,18 @@ void iwl_leds_background(struct iwl_priv *priv)
 
 	/* call only if blink rate change */
 	if (blink_idx != priv->last_blink_rate)
-		iwl_led_pattern(priv, IWL_LED_LINK, blink_idx);
+		iwl_led_pattern(priv, blink_idx);
 
 	priv->last_blink_time = jiffies;
 	priv->last_blink_rate = blink_idx;
 }
+EXPORT_SYMBOL(iwl_leds_background);
 
-/* Register all led handler */
-int iwl_leds_register(struct iwl_priv *priv)
+void iwl_leds_init(struct iwl_priv *priv)
 {
-	char *trigger;
-	int ret;
-
 	priv->last_blink_rate = 0;
 	priv->led_tpt = 0;
 	priv->last_blink_time = 0;
 	priv->allow_blinking = 0;
-
-	trigger = ieee80211_get_radio_led_name(priv->hw);
-	snprintf(priv->led[IWL_LED_TRG_RADIO].name,
-		 sizeof(priv->led[IWL_LED_TRG_RADIO].name), "iwl-%s::radio",
-		 wiphy_name(priv->hw->wiphy));
-
-	priv->led[IWL_LED_TRG_RADIO].led_on = iwl_led_on_reg;
-	priv->led[IWL_LED_TRG_RADIO].led_off = iwl_led_off_reg;
-	priv->led[IWL_LED_TRG_RADIO].led_pattern = NULL;
-
-	ret = iwl_leds_register_led(priv, &priv->led[IWL_LED_TRG_RADIO],
-				   IWL_LED_TRG_RADIO, 1, trigger);
-	if (ret)
-		goto exit_fail;
-
-	trigger = ieee80211_get_assoc_led_name(priv->hw);
-	snprintf(priv->led[IWL_LED_TRG_ASSOC].name,
-		 sizeof(priv->led[IWL_LED_TRG_ASSOC].name), "iwl-%s::assoc",
-		 wiphy_name(priv->hw->wiphy));
-
-	ret = iwl_leds_register_led(priv, &priv->led[IWL_LED_TRG_ASSOC],
-				   IWL_LED_TRG_ASSOC, 0, trigger);
-
-	/* for assoc always turn led on */
-	priv->led[IWL_LED_TRG_ASSOC].led_on = iwl_led_associate;
-	priv->led[IWL_LED_TRG_ASSOC].led_off = iwl_led_disassociate;
-	priv->led[IWL_LED_TRG_ASSOC].led_pattern = NULL;
-
-	if (ret)
-		goto exit_fail;
-
-	trigger = ieee80211_get_rx_led_name(priv->hw);
-	snprintf(priv->led[IWL_LED_TRG_RX].name,
-		 sizeof(priv->led[IWL_LED_TRG_RX].name), "iwl-%s::RX",
-		 wiphy_name(priv->hw->wiphy));
-
-	ret = iwl_leds_register_led(priv, &priv->led[IWL_LED_TRG_RX],
-				   IWL_LED_TRG_RX, 0, trigger);
-
-	priv->led[IWL_LED_TRG_RX].led_on = iwl_led_associated;
-	priv->led[IWL_LED_TRG_RX].led_off = iwl_led_associated;
-	priv->led[IWL_LED_TRG_RX].led_pattern = iwl_led_pattern;
-
-	if (ret)
-		goto exit_fail;
-
-	trigger = ieee80211_get_tx_led_name(priv->hw);
-	snprintf(priv->led[IWL_LED_TRG_TX].name,
-		 sizeof(priv->led[IWL_LED_TRG_TX].name), "iwl-%s::TX",
-		 wiphy_name(priv->hw->wiphy));
-
-	ret = iwl_leds_register_led(priv, &priv->led[IWL_LED_TRG_TX],
-				   IWL_LED_TRG_TX, 0, trigger);
-
-	priv->led[IWL_LED_TRG_TX].led_on = iwl_led_associated;
-	priv->led[IWL_LED_TRG_TX].led_off = iwl_led_associated;
-	priv->led[IWL_LED_TRG_TX].led_pattern = iwl_led_pattern;
-
-	if (ret)
-		goto exit_fail;
-
-	return 0;
-
-exit_fail:
-	iwl_leds_unregister(priv);
-	return ret;
 }
-EXPORT_SYMBOL(iwl_leds_register);
-
-/* unregister led class */
-static void iwl_leds_unregister_led(struct iwl_led *led, u8 set_led)
-{
-	if (!led->registered)
-		return;
-
-	led_classdev_unregister(&led->led_dev);
-
-	if (set_led)
-		led->led_dev.brightness_set(&led->led_dev, LED_OFF);
-	led->registered = 0;
-}
-
-/* Unregister all led handlers */
-void iwl_leds_unregister(struct iwl_priv *priv)
-{
-	iwl_leds_unregister_led(&priv->led[IWL_LED_TRG_ASSOC], 0);
-	iwl_leds_unregister_led(&priv->led[IWL_LED_TRG_RX], 0);
-	iwl_leds_unregister_led(&priv->led[IWL_LED_TRG_TX], 0);
-	iwl_leds_unregister_led(&priv->led[IWL_LED_TRG_RADIO], 1);
-}
-EXPORT_SYMBOL(iwl_leds_unregister);
-
+EXPORT_SYMBOL(iwl_leds_init);
diff --git a/drivers/net/wireless/iwlwifi/iwl-led.h b/drivers/net/wireless/iwlwifi/iwl-led.h
index dd76b266c63..f47f053f02e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-led.h
+++ b/drivers/net/wireless/iwlwifi/iwl-led.h
@@ -30,9 +30,6 @@
 
 struct iwl_priv;
 
-#ifdef CONFIG_IWLWIFI_LEDS
-#include <linux/leds.h>
-
 #define IWL_LED_SOLID 11
 #define IWL_LED_NAME_LEN 31
 #define IWL_DEF_LED_INTRVL cpu_to_le32(1000)
@@ -59,38 +56,11 @@ enum iwl_led_mode {
 	IWL_LED_BLINK,
 	IWL_LED_RF_STATE,
 };
-#endif
-
-#ifdef CONFIG_IWLWIFI_LEDS
-
-struct iwl_led {
-	struct iwl_priv *priv;
-	struct led_classdev led_dev;
-	char name[32];
-
-	int (*led_on) (struct iwl_priv *priv, int led_id);
-	int (*led_off) (struct iwl_priv *priv, int led_id);
-	int (*led_pattern) (struct iwl_priv *priv, int led_id, unsigned int idx);
 
-	enum led_type type;
-	unsigned int registered;
-};
-
-int iwl_leds_register(struct iwl_priv *priv);
-void iwl_leds_unregister(struct iwl_priv *priv);
+void iwl_leds_init(struct iwl_priv *priv);
 void iwl_leds_background(struct iwl_priv *priv);
+int iwl_led_start(struct iwl_priv *priv);
+int iwl_led_associate(struct iwl_priv *priv);
+int iwl_led_disassociate(struct iwl_priv *priv);
 
-#else
-static inline int iwl_leds_register(struct iwl_priv *priv)
-{
-	return 0;
-}
-static inline void iwl_leds_unregister(struct iwl_priv *priv)
-{
-}
-static inline void iwl_leds_background(struct iwl_priv *priv)
-{
-}
-
-#endif /* CONFIG_IWLWIFI_LEDS */
 #endif /* __iwl_leds_h__ */
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index d0d1b7f4c39..ecbe036ecb6 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -455,9 +455,6 @@ static void iwl3945_build_tx_cmd_basic(struct iwl_priv *priv,
 			tx->timeout.pm_frame_timeout = cpu_to_le16(2);
 	} else {
 		tx->timeout.pm_frame_timeout = 0;
-#ifdef CONFIG_IWLWIFI_LEDS
-		priv->rxtxpackets += le16_to_cpu(cmd->cmd.tx.len);
-#endif
 	}
 
 	tx->driver_txop = 0;
@@ -2483,7 +2480,7 @@ static void iwl3945_alive_start(struct iwl_priv *priv)
 
 	iwl3945_reg_txpower_periodic(priv);
 
-	iwl3945_led_register(priv);
+	iwl_leds_init(priv);
 
 	IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n");
 	set_bit(STATUS_READY, &priv->status);
@@ -2521,7 +2518,6 @@ static void __iwl3945_down(struct iwl_priv *priv)
 	if (!exit_pending)
 		set_bit(STATUS_EXIT_PENDING, &priv->status);
 
-	iwl3945_led_unregister(priv);
 	iwl_clear_stations_table(priv);
 
 	/* Unblock any waiting calls */
@@ -3156,6 +3152,8 @@ static int iwl3945_mac_start(struct ieee80211_hw *hw)
 	 * no need to poll the killswitch state anymore */
 	cancel_delayed_work(&priv->rfkill_poll);
 
+	iwl_led_start(priv);
+
 	priv->is_open = 1;
 	IWL_DEBUG_MAC80211(priv, "leave\n");
 	return 0;
-- 
GitLab


From d68b603cf01a6e7d8c85c5a86db751ed3960c0c7 Mon Sep 17 00:00:00 2001
From: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Date: Fri, 2 Oct 2009 13:44:04 -0700
Subject: [PATCH 0158/1815] iwlwifi/iwl3945 : unify apm stop operation

Unify the usage of apm_stop_master and apm_stop
across all hardwares.

Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-1000.c |  2 +-
 drivers/net/wireless/iwlwifi/iwl-3945.c | 43 ++---------------------
 drivers/net/wireless/iwlwifi/iwl-4965.c | 38 ++------------------
 drivers/net/wireless/iwlwifi/iwl-5000.c | 46 ++-----------------------
 drivers/net/wireless/iwlwifi/iwl-6000.c |  2 +-
 drivers/net/wireless/iwlwifi/iwl-core.c | 36 +++++++++++++++++++
 drivers/net/wireless/iwlwifi/iwl-core.h |  3 +-
 drivers/net/wireless/iwlwifi/iwl-dev.h  |  1 -
 8 files changed, 47 insertions(+), 124 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c
index 86d93b52c6f..679a67ff76e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-1000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-1000.c
@@ -112,7 +112,7 @@ static struct iwl_lib_ops iwl1000_lib = {
 	.apm_ops = {
 		.init =	iwl5000_apm_init,
 		.reset = iwl5000_apm_reset,
-		.stop = iwl5000_apm_stop,
+		.stop = iwl_apm_stop,
 		.config = iwl1000_nic_config,
 		.set_pwr_src = iwl_set_pwr_src,
 	},
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index f0ce5c45ca0..c5d1d57b4e0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -1167,48 +1167,9 @@ void iwl3945_hw_txq_ctx_stop(struct iwl_priv *priv)
 	iwl3945_hw_txq_ctx_free(priv);
 }
 
-static int iwl3945_apm_stop_master(struct iwl_priv *priv)
-{
-	int ret = 0;
-	unsigned long flags;
-
-	spin_lock_irqsave(&priv->lock, flags);
-
-	/* set stop master bit */
-	iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_STOP_MASTER);
-
-	iwl_poll_direct_bit(priv, CSR_RESET,
-			    CSR_RESET_REG_FLAG_MASTER_DISABLED, 100);
-
-	if (ret < 0)
-		goto out;
-
-out:
-	spin_unlock_irqrestore(&priv->lock, flags);
-	IWL_DEBUG_INFO(priv, "stop master\n");
-
-	return ret;
-}
-
-static void iwl3945_apm_stop(struct iwl_priv *priv)
-{
-	unsigned long flags;
-
-	iwl3945_apm_stop_master(priv);
-
-	spin_lock_irqsave(&priv->lock, flags);
-
-	iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);
-
-	udelay(10);
-	/* clear "init complete"  move adapter D0A* --> D0U state */
-	iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
-	spin_unlock_irqrestore(&priv->lock, flags);
-}
-
 static int iwl3945_apm_reset(struct iwl_priv *priv)
 {
-	iwl3945_apm_stop_master(priv);
+	iwl_apm_stop_master(priv);
 
 
 	iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);
@@ -2841,7 +2802,7 @@ static struct iwl_lib_ops iwl3945_lib = {
 	.apm_ops = {
 		.init = iwl3945_apm_init,
 		.reset = iwl3945_apm_reset,
-		.stop = iwl3945_apm_stop,
+		.stop = iwl_apm_stop,
 		.config = iwl3945_nic_config,
 		.set_pwr_src = iwl3945_set_pwr_src,
 	},
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index 8717946de01..dd10c426ecc 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -396,45 +396,11 @@ static void iwl4965_nic_config(struct iwl_priv *priv)
 	spin_unlock_irqrestore(&priv->lock, flags);
 }
 
-static int iwl4965_apm_stop_master(struct iwl_priv *priv)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&priv->lock, flags);
-
-	/* set stop master bit */
-	iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_STOP_MASTER);
-
-	iwl_poll_direct_bit(priv, CSR_RESET,
-			CSR_RESET_REG_FLAG_MASTER_DISABLED, 100);
-
-	spin_unlock_irqrestore(&priv->lock, flags);
-	IWL_DEBUG_INFO(priv, "stop master\n");
-
-	return 0;
-}
-
-static void iwl4965_apm_stop(struct iwl_priv *priv)
-{
-	unsigned long flags;
-
-	iwl4965_apm_stop_master(priv);
-
-	spin_lock_irqsave(&priv->lock, flags);
-
-	iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);
-
-	udelay(10);
-	/* clear "init complete"  move adapter D0A* --> D0U state */
-	iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
-	spin_unlock_irqrestore(&priv->lock, flags);
-}
-
 static int iwl4965_apm_reset(struct iwl_priv *priv)
 {
 	int ret = 0;
 
-	iwl4965_apm_stop_master(priv);
+	iwl_apm_stop_master(priv);
 
 
 	iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);
@@ -2306,7 +2272,7 @@ static struct iwl_lib_ops iwl4965_lib = {
 	.apm_ops = {
 		.init = iwl4965_apm_init,
 		.reset = iwl4965_apm_reset,
-		.stop = iwl4965_apm_stop,
+		.stop = iwl_apm_stop,
 		.config = iwl4965_nic_config,
 		.set_pwr_src = iwl_set_pwr_src,
 	},
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 624853503db..d8dadbf0413 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -72,26 +72,6 @@ static const u16 iwl5000_default_queue_to_tx_fifo[] = {
 	IWL_TX_FIFO_HCCA_2
 };
 
-/* FIXME: same implementation as 4965 */
-static int iwl5000_apm_stop_master(struct iwl_priv *priv)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&priv->lock, flags);
-
-	/* set stop master bit */
-	iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_STOP_MASTER);
-
-	iwl_poll_direct_bit(priv, CSR_RESET,
-				  CSR_RESET_REG_FLAG_MASTER_DISABLED, 100);
-
-	spin_unlock_irqrestore(&priv->lock, flags);
-	IWL_DEBUG_INFO(priv, "stop master\n");
-
-	return 0;
-}
-
-
 int iwl5000_apm_init(struct iwl_priv *priv)
 {
 	int ret = 0;
@@ -137,31 +117,11 @@ int iwl5000_apm_init(struct iwl_priv *priv)
 	return ret;
 }
 
-/* FIXME: this is identical to 4965 */
-void iwl5000_apm_stop(struct iwl_priv *priv)
-{
-	unsigned long flags;
-
-	iwl5000_apm_stop_master(priv);
-
-	spin_lock_irqsave(&priv->lock, flags);
-
-	iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);
-
-	udelay(10);
-
-	/* clear "init complete"  move adapter D0A* --> D0U state */
-	iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
-
-	spin_unlock_irqrestore(&priv->lock, flags);
-}
-
-
 int iwl5000_apm_reset(struct iwl_priv *priv)
 {
 	int ret = 0;
 
-	iwl5000_apm_stop_master(priv);
+	iwl_apm_stop_master(priv);
 
 	iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);
 
@@ -1561,7 +1521,7 @@ struct iwl_lib_ops iwl5000_lib = {
 	.apm_ops = {
 		.init =	iwl5000_apm_init,
 		.reset = iwl5000_apm_reset,
-		.stop = iwl5000_apm_stop,
+		.stop = iwl_apm_stop,
 		.config = iwl5000_nic_config,
 		.set_pwr_src = iwl_set_pwr_src,
 	},
@@ -1613,7 +1573,7 @@ static struct iwl_lib_ops iwl5150_lib = {
 	.apm_ops = {
 		.init =	iwl5000_apm_init,
 		.reset = iwl5000_apm_reset,
-		.stop = iwl5000_apm_stop,
+		.stop = iwl_apm_stop,
 		.config = iwl5000_nic_config,
 		.set_pwr_src = iwl_set_pwr_src,
 	},
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index a002214f4d4..d1f0b0b4ad0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -193,7 +193,7 @@ static struct iwl_lib_ops iwl6000_lib = {
 	.apm_ops = {
 		.init =	iwl5000_apm_init,
 		.reset = iwl5000_apm_reset,
-		.stop = iwl5000_apm_stop,
+		.stop = iwl_apm_stop,
 		.config = iwl6000_nic_config,
 		.set_pwr_src = iwl_set_pwr_src,
 	},
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 34547cf3a66..7c0ef8e4ebb 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1329,6 +1329,42 @@ void iwl_irq_handle_error(struct iwl_priv *priv)
 }
 EXPORT_SYMBOL(iwl_irq_handle_error);
 
+int iwl_apm_stop_master(struct iwl_priv *priv)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&priv->lock, flags);
+
+	/* set stop master bit */
+	iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_STOP_MASTER);
+
+	iwl_poll_direct_bit(priv, CSR_RESET,
+			CSR_RESET_REG_FLAG_MASTER_DISABLED, 100);
+
+	spin_unlock_irqrestore(&priv->lock, flags);
+	IWL_DEBUG_INFO(priv, "stop master\n");
+
+	return 0;
+}
+EXPORT_SYMBOL(iwl_apm_stop_master);
+
+void iwl_apm_stop(struct iwl_priv *priv)
+{
+	unsigned long flags;
+
+	iwl_apm_stop_master(priv);
+
+	spin_lock_irqsave(&priv->lock, flags);
+
+	iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);
+
+	udelay(10);
+	/* clear "init complete"  move adapter D0A* --> D0U state */
+	iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
+	spin_unlock_irqrestore(&priv->lock, flags);
+}
+EXPORT_SYMBOL(iwl_apm_stop);
+
 void iwl_configure_filter(struct ieee80211_hw *hw,
 			  unsigned int changed_flags,
 			  unsigned int *total_flags,
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index eb586a54618..6688b694420 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -658,6 +658,8 @@ extern void iwl_rx_reply_rx_phy(struct iwl_priv *priv,
 				    struct iwl_rx_mem_buffer *rxb);
 void iwl_rx_reply_compressed_ba(struct iwl_priv *priv,
 					   struct iwl_rx_mem_buffer *rxb);
+void iwl_apm_stop(struct iwl_priv *priv);
+int iwl_apm_stop_master(struct iwl_priv *priv);
 
 void iwl_setup_rxon_timing(struct iwl_priv *priv);
 static inline int iwl_send_rxon_assoc(struct iwl_priv *priv)
@@ -677,5 +679,4 @@ static inline const struct ieee80211_supported_band *iwl_get_hw_mode(
 {
 	return priv->hw->wiphy->bands[band];
 }
-
 #endif /* __iwl_core_h__ */
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index eabc55695af..72946c144be 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -86,7 +86,6 @@ extern void iwl5000_rts_tx_cmd_flag(struct ieee80211_tx_info *info,
 extern int iwl5000_calc_rssi(struct iwl_priv *priv,
 			     struct iwl_rx_phy_res *rx_resp);
 extern int iwl5000_apm_init(struct iwl_priv *priv);
-extern void iwl5000_apm_stop(struct iwl_priv *priv);
 extern int iwl5000_apm_reset(struct iwl_priv *priv);
 extern void iwl5000_nic_config(struct iwl_priv *priv);
 extern u16 iwl5000_eeprom_calib_version(struct iwl_priv *priv);
-- 
GitLab


From 1739d3322008fb95e88ad0530bcc057789107879 Mon Sep 17 00:00:00 2001
From: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Date: Fri, 2 Oct 2009 13:44:05 -0700
Subject: [PATCH 0159/1815] iwlwifi: replace iwl_poll_direct_bit with
 iwl_poll_bit for CSR access

Replace iwl_poll_direct_bit with iwl_poll_bit when accessing CSR registers.
There is no need to power up the mac to access CSR registers.

Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Acked-by: Ben M Cahill <ben.m.cahill@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-3945.c   | 10 ++++++----
 drivers/net/wireless/iwlwifi/iwl-4965.c   |  6 ++++--
 drivers/net/wireless/iwlwifi/iwl-5000.c   |  6 ++++--
 drivers/net/wireless/iwlwifi/iwl-core.c   |  2 +-
 drivers/net/wireless/iwlwifi/iwl-eeprom.c | 12 ++++++++----
 5 files changed, 23 insertions(+), 13 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index c5d1d57b4e0..ced0e33e44b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -999,8 +999,9 @@ static int iwl3945_apm_init(struct iwl_priv *priv)
 	* D0U* --> D0A* state */
 	iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
 
-	ret = iwl_poll_direct_bit(priv, CSR_GP_CNTRL,
-			    CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
+	ret = iwl_poll_bit(priv, CSR_GP_CNTRL,
+			CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
+			CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
 	if (ret < 0) {
 		IWL_DEBUG_INFO(priv, "Failed to init the card\n");
 		goto out;
@@ -1177,8 +1178,9 @@ static int iwl3945_apm_reset(struct iwl_priv *priv)
 
 	iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
 
-	iwl_poll_direct_bit(priv, CSR_GP_CNTRL,
-			 CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
+	iwl_poll_bit(priv, CSR_GP_CNTRL,
+			CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
+			CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
 
 	iwl_write_prph(priv, APMG_CLK_CTRL_REG,
 				APMG_CLK_VAL_BSM_CLK_RQT);
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index dd10c426ecc..f8eed9a4abc 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -335,7 +335,8 @@ static int iwl4965_apm_init(struct iwl_priv *priv)
 	iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
 
 	/* wait for clock stabilization */
-	ret = iwl_poll_direct_bit(priv, CSR_GP_CNTRL,
+	ret = iwl_poll_bit(priv, CSR_GP_CNTRL,
+			CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
 			CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
 	if (ret < 0) {
 		IWL_DEBUG_INFO(priv, "Failed to init the card\n");
@@ -411,7 +412,8 @@ static int iwl4965_apm_reset(struct iwl_priv *priv)
 
 	iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
 
-	ret = iwl_poll_direct_bit(priv, CSR_GP_CNTRL,
+	ret = iwl_poll_bit(priv, CSR_GP_CNTRL,
+			CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
 			CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
 	if (ret < 0)
 		goto out;
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index d8dadbf0413..98baf8af6da 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -98,7 +98,8 @@ int iwl5000_apm_init(struct iwl_priv *priv)
 	iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
 
 	/* wait for clock stabilization */
-	ret = iwl_poll_direct_bit(priv, CSR_GP_CNTRL,
+	ret = iwl_poll_bit(priv, CSR_GP_CNTRL,
+			CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
 			CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
 	if (ret < 0) {
 		IWL_DEBUG_INFO(priv, "Failed to init the card\n");
@@ -138,7 +139,8 @@ int iwl5000_apm_reset(struct iwl_priv *priv)
 	iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
 
 	/* wait for clock stabilization */
-	ret = iwl_poll_direct_bit(priv, CSR_GP_CNTRL,
+	ret = iwl_poll_bit(priv, CSR_GP_CNTRL,
+			CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
 			CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
 	if (ret < 0) {
 		IWL_DEBUG_INFO(priv, "Failed to init the card\n");
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 7c0ef8e4ebb..dc7fd87bed9 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1338,7 +1338,7 @@ int iwl_apm_stop_master(struct iwl_priv *priv)
 	/* set stop master bit */
 	iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_STOP_MASTER);
 
-	iwl_poll_direct_bit(priv, CSR_RESET,
+	iwl_poll_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_MASTER_DISABLED,
 			CSR_RESET_REG_FLAG_MASTER_DISABLED, 100);
 
 	spin_unlock_irqrestore(&priv->lock, flags);
diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
index 3d2b93a61e6..8107132ab66 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.c
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
@@ -283,7 +283,8 @@ int iwlcore_eeprom_acquire_semaphore(struct iwl_priv *priv)
 			    CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM);
 
 		/* See if we got it */
-		ret = iwl_poll_direct_bit(priv, CSR_HW_IF_CONFIG_REG,
+		ret = iwl_poll_bit(priv, CSR_HW_IF_CONFIG_REG,
+				CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM,
 				CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM,
 				EEPROM_SEM_TIMEOUT);
 		if (ret >= 0) {
@@ -322,7 +323,8 @@ static int iwl_init_otp_access(struct iwl_priv *priv)
 		     CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
 
 	/* wait for clock to be ready */
-	ret = iwl_poll_direct_bit(priv, CSR_GP_CNTRL,
+	ret = iwl_poll_bit(priv, CSR_GP_CNTRL,
+				  CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
 				  CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
 				  25000);
 	if (ret < 0)
@@ -345,7 +347,8 @@ static int iwl_read_otp_word(struct iwl_priv *priv, u16 addr, u16 *eeprom_data)
 
 	_iwl_write32(priv, CSR_EEPROM_REG,
 		     CSR_EEPROM_REG_MSK_ADDR & (addr << 1));
-	ret = iwl_poll_direct_bit(priv, CSR_EEPROM_REG,
+	ret = iwl_poll_bit(priv, CSR_EEPROM_REG,
+				  CSR_EEPROM_REG_READ_VALID_MSK,
 				  CSR_EEPROM_REG_READ_VALID_MSK,
 				  IWL_EEPROM_ACCESS_TIMEOUT);
 	if (ret < 0) {
@@ -538,7 +541,8 @@ int iwl_eeprom_init(struct iwl_priv *priv)
 			_iwl_write32(priv, CSR_EEPROM_REG,
 				     CSR_EEPROM_REG_MSK_ADDR & (addr << 1));
 
-			ret = iwl_poll_direct_bit(priv, CSR_EEPROM_REG,
+			ret = iwl_poll_bit(priv, CSR_EEPROM_REG,
+						  CSR_EEPROM_REG_READ_VALID_MSK,
 						  CSR_EEPROM_REG_READ_VALID_MSK,
 						  IWL_EEPROM_ACCESS_TIMEOUT);
 			if (ret < 0) {
-- 
GitLab


From f41bb897f202d23a7d896c716002a3d6050b991e Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 2 Oct 2009 13:44:06 -0700
Subject: [PATCH 0160/1815] iwlwifi: validate the signature for EEPROM and OTP

Both 1000 & 6000 series NICs contain on-chip OTP memory that
replaces the off-chip EEPROM memory. The nature of OTP means
there is a limited number of times a particular board can go through the
factory flow and be (re)calibrated. As a consequence there will be some boards
that contain EEPROM memory because OTP blocks were full.

In the signature validation routine, iwlwifi needs to make sure
"select bit" and "EEPROM/OTP signature" agree on the type of
NVM to be used to configure the system.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-csr.h    |  7 ++++-
 drivers/net/wireless/iwlwifi/iwl-eeprom.c | 33 +++++++++++++++++++----
 2 files changed, 34 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-csr.h b/drivers/net/wireless/iwlwifi/iwl-csr.h
index 06437d13e73..8f183e0fa51 100644
--- a/drivers/net/wireless/iwlwifi/iwl-csr.h
+++ b/drivers/net/wireless/iwlwifi/iwl-csr.h
@@ -230,13 +230,18 @@
 
 /* EEPROM GP */
 #define CSR_EEPROM_GP_VALID_MSK		(0x00000007)
-#define CSR_EEPROM_GP_BAD_SIGNATURE	(0x00000000)
 #define CSR_EEPROM_GP_IF_OWNER_MSK	(0x00000180)
 #define CSR_OTP_GP_REG_DEVICE_SELECT	(0x00010000) /* 0 - EEPROM, 1 - OTP */
 #define CSR_OTP_GP_REG_OTP_ACCESS_MODE	(0x00020000) /* 0 - absolute, 1 - relative */
 #define CSR_OTP_GP_REG_ECC_CORR_STATUS_MSK          (0x00100000) /* bit 20 */
 #define CSR_OTP_GP_REG_ECC_UNCORR_STATUS_MSK        (0x00200000) /* bit 21 */
 
+/* EEPROM signature */
+#define CSR_EEPROM_GP_BAD_SIGNATURE_BOTH_EEP_AND_OTP	(0x00000000)
+#define CSR_EEPROM_GP_BAD_SIG_EEP_GOOD_SIG_OTP		(0x00000001)
+#define CSR_EEPROM_GP_GOOD_SIG_EEP_LESS_THAN_4K		(0x00000002)
+#define CSR_EEPROM_GP_GOOD_SIG_EEP_MORE_THAN_4K		(0x00000004)
+
 /* CSR GIO */
 #define CSR_GIO_REG_VAL_L0S_ENABLED	(0x00000002)
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
index 8107132ab66..e3dbd79cd13 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.c
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
@@ -215,12 +215,35 @@ static const struct iwl_txpwr_section enhinfo[] = {
 
 int iwlcore_eeprom_verify_signature(struct iwl_priv *priv)
 {
-	u32 gp = iwl_read32(priv, CSR_EEPROM_GP);
-	if ((gp & CSR_EEPROM_GP_VALID_MSK) == CSR_EEPROM_GP_BAD_SIGNATURE) {
-		IWL_ERR(priv, "EEPROM not found, EEPROM_GP=0x%08x\n", gp);
-		return -ENOENT;
+	u32 gp = iwl_read32(priv, CSR_EEPROM_GP) & CSR_EEPROM_GP_VALID_MSK;
+	int ret = 0;
+
+	IWL_DEBUG_INFO(priv, "EEPROM signature=0x%08x\n", gp);
+	switch (gp) {
+	case CSR_EEPROM_GP_BAD_SIG_EEP_GOOD_SIG_OTP:
+		if (priv->nvm_device_type != NVM_DEVICE_TYPE_OTP) {
+			IWL_ERR(priv, "EEPROM with bad signature: 0x%08x\n",
+				gp);
+			ret = -ENOENT;
+		}
+		break;
+	case CSR_EEPROM_GP_GOOD_SIG_EEP_LESS_THAN_4K:
+	case CSR_EEPROM_GP_GOOD_SIG_EEP_MORE_THAN_4K:
+		if (priv->nvm_device_type != NVM_DEVICE_TYPE_EEPROM) {
+			IWL_ERR(priv, "OTP with bad signature: 0x%08x\n", gp);
+			ret = -ENOENT;
+		}
+		break;
+	case CSR_EEPROM_GP_BAD_SIGNATURE_BOTH_EEP_AND_OTP:
+	default:
+		IWL_ERR(priv, "bad EEPROM/OTP signature, type=%s, "
+			"EEPROM_GP=0x%08x\n",
+			(priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
+			? "OTP" : "EEPROM", gp);
+		ret = -ENOENT;
+		break;
 	}
-	return 0;
+	return ret;
 }
 EXPORT_SYMBOL(iwlcore_eeprom_verify_signature);
 
-- 
GitLab


From 4890e3beddfb4a6859c4bb782c9cd05dd94ead82 Mon Sep 17 00:00:00 2001
From: "John W. Linville" <linville@tuxdriver.com>
Date: Wed, 30 Sep 2009 14:50:17 -0400
Subject: [PATCH 0161/1815] wireless: implement basic ethtool support for
 cfg80211 devices

Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/wireless/Makefile  |  2 +-
 net/wireless/core.c    |  3 +++
 net/wireless/ethtool.c | 24 ++++++++++++++++++++++++
 net/wireless/ethtool.h |  8 ++++++++
 4 files changed, 36 insertions(+), 1 deletion(-)
 create mode 100644 net/wireless/ethtool.c
 create mode 100644 net/wireless/ethtool.h

diff --git a/net/wireless/Makefile b/net/wireless/Makefile
index c8141505a83..f07c8dc7aab 100644
--- a/net/wireless/Makefile
+++ b/net/wireless/Makefile
@@ -10,7 +10,7 @@ obj-$(CONFIG_WEXT_SPY) += wext-spy.o
 obj-$(CONFIG_WEXT_PRIV) += wext-priv.o
 
 cfg80211-y += core.o sysfs.o radiotap.o util.o reg.o scan.o nl80211.o
-cfg80211-y += mlme.o ibss.o sme.o chan.o
+cfg80211-y += mlme.o ibss.o sme.o chan.o ethtool.o
 cfg80211-$(CONFIG_CFG80211_DEBUGFS) += debugfs.o
 cfg80211-$(CONFIG_CFG80211_WEXT) += wext-compat.o wext-sme.o
 
diff --git a/net/wireless/core.c b/net/wireless/core.c
index eb0bb24b99c..07252967be9 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -21,6 +21,7 @@
 #include "sysfs.h"
 #include "debugfs.h"
 #include "wext-compat.h"
+#include "ethtool.h"
 
 /* name for sysfs, %d is appended */
 #define PHY_NAME "phy"
@@ -690,6 +691,8 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
 				wdev->wext.ps = false;
 			}
 #endif
+		if (!dev->ethtool_ops)
+			dev->ethtool_ops = &cfg80211_ethtool_ops;
 		break;
 	case NETDEV_GOING_DOWN:
 		switch (wdev->iftype) {
diff --git a/net/wireless/ethtool.c b/net/wireless/ethtool.c
new file mode 100644
index 00000000000..80d6d0d31f1
--- /dev/null
+++ b/net/wireless/ethtool.c
@@ -0,0 +1,24 @@
+#include <linux/utsname.h>
+#include <net/cfg80211.h>
+#include "ethtool.h"
+
+static void cfg80211_get_drvinfo(struct net_device *dev,
+					struct ethtool_drvinfo *info)
+{
+	struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+	strlcpy(info->driver, wiphy_dev(wdev->wiphy)->driver->name,
+		sizeof(info->driver));
+
+	strlcpy(info->version, init_utsname()->release, sizeof(info->version));
+
+	strlcpy(info->fw_version, "N/A", sizeof(info->fw_version));
+
+	strlcpy(info->bus_info, dev_name(wiphy_dev(wdev->wiphy)),
+		sizeof(info->bus_info));
+}
+
+const struct ethtool_ops cfg80211_ethtool_ops = {
+	.get_drvinfo = cfg80211_get_drvinfo,
+	.get_link = ethtool_op_get_link,
+};
diff --git a/net/wireless/ethtool.h b/net/wireless/ethtool.h
new file mode 100644
index 00000000000..70cbee1bc62
--- /dev/null
+++ b/net/wireless/ethtool.h
@@ -0,0 +1,8 @@
+#ifndef __CFG80211_ETHTOOL__
+#define __CFG80211_ETHTOOL__
+
+#include <linux/ethtool.h>
+
+extern const struct ethtool_ops cfg80211_ethtool_ops;
+
+#endif /* __CFG80211_ETHTOOL__ */
-- 
GitLab


From dfce95f51fe34fa18c87a7d0bea53594b9bf1b9a Mon Sep 17 00:00:00 2001
From: Kalle Valo <kalle.valo@nokia.com>
Date: Thu, 24 Sep 2009 11:02:42 -0700
Subject: [PATCH 0162/1815] cfg80211: add firmware and hardware version to
 wiphy

It's useful to provide firmware and hardware version to user space and have a
generic interface to retrieve them. Users can provide the version information
in bug reports etc.

Add fields for firmware and hardware version to struct wiphy.

(Dropped nl80211 bits for now and modified remaining bits in favor of
ethtool. -- JWL)

Cc: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 include/net/cfg80211.h |  3 +++
 net/wireless/ethtool.c | 23 ++++++++++++++++++++++-
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 241ea14d6df..6f4862b3ec2 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1142,6 +1142,9 @@ struct wiphy {
 	u32 frag_threshold;
 	u32 rts_threshold;
 
+	char fw_version[ETHTOOL_BUSINFO_LEN];
+	u32 hw_version;
+
 	/* If multiple wiphys are registered and you're handed e.g.
 	 * a regular netdev with assigned ieee80211_ptr, you won't
 	 * know whether it points to a wiphy your driver has registered
diff --git a/net/wireless/ethtool.c b/net/wireless/ethtool.c
index 80d6d0d31f1..ca4c825be93 100644
--- a/net/wireless/ethtool.c
+++ b/net/wireless/ethtool.c
@@ -12,13 +12,34 @@ static void cfg80211_get_drvinfo(struct net_device *dev,
 
 	strlcpy(info->version, init_utsname()->release, sizeof(info->version));
 
-	strlcpy(info->fw_version, "N/A", sizeof(info->fw_version));
+	if (wdev->wiphy->fw_version[0])
+		strncpy(info->fw_version, wdev->wiphy->fw_version,
+			sizeof(info->fw_version));
+	else
+		strncpy(info->fw_version, "N/A", sizeof(info->fw_version));
 
 	strlcpy(info->bus_info, dev_name(wiphy_dev(wdev->wiphy)),
 		sizeof(info->bus_info));
 }
 
+static int cfg80211_get_regs_len(struct net_device *dev)
+{
+	/* For now, return 0... */
+	return 0;
+}
+
+static void cfg80211_get_regs(struct net_device *dev, struct ethtool_regs *regs,
+			void *data)
+{
+	struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+	regs->version = wdev->wiphy->hw_version;
+	regs->len = 0;
+}
+
 const struct ethtool_ops cfg80211_ethtool_ops = {
 	.get_drvinfo = cfg80211_get_drvinfo,
+	.get_regs_len = cfg80211_get_regs_len,
+	.get_regs = cfg80211_get_regs,
 	.get_link = ethtool_op_get_link,
 };
-- 
GitLab


From fe348cb628e6a78cc1e82fe64404c9a304ed9c12 Mon Sep 17 00:00:00 2001
From: Kalle Valo <kalle.valo@iki.fi>
Date: Thu, 24 Sep 2009 11:02:51 -0700
Subject: [PATCH 0163/1815] at76c50x-usb: set firmware and hardware version in
 wiphy

Set firmware and hardware version in wiphy so that user space can access
it.

(Modification from original in favor of cfg80211 ethtool support. -- JWL)

Cc: Kalle Valo <kalle.valo@iki.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/at76c50x-usb.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/net/wireless/at76c50x-usb.c b/drivers/net/wireless/at76c50x-usb.c
index 8e1a55dec35..e559dc96055 100644
--- a/drivers/net/wireless/at76c50x-usb.c
+++ b/drivers/net/wireless/at76c50x-usb.c
@@ -2217,6 +2217,8 @@ static struct ieee80211_supported_band at76_supported_band = {
 static int at76_init_new_device(struct at76_priv *priv,
 				struct usb_interface *interface)
 {
+	struct wiphy *wiphy;
+	size_t len;
 	int ret;
 
 	/* set up the endpoint information */
@@ -2254,6 +2256,7 @@ static int at76_init_new_device(struct at76_priv *priv,
 	priv->device_unplugged = 0;
 
 	/* mac80211 initialisation */
+	wiphy = priv->hw->wiphy;
 	priv->hw->wiphy->max_scan_ssids = 1;
 	priv->hw->wiphy->max_scan_ie_len = 0;
 	priv->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
@@ -2265,6 +2268,13 @@ static int at76_init_new_device(struct at76_priv *priv,
 	SET_IEEE80211_DEV(priv->hw, &interface->dev);
 	SET_IEEE80211_PERM_ADDR(priv->hw, priv->mac_addr);
 
+	len = sizeof(wiphy->fw_version);
+	snprintf(wiphy->fw_version, len, "%d.%d.%d-%d",
+		 priv->fw_version.major, priv->fw_version.minor,
+		 priv->fw_version.patch, priv->fw_version.build);
+
+	wiphy->hw_version = priv->board_type;
+
 	ret = ieee80211_register_hw(priv->hw);
 	if (ret) {
 		printk(KERN_ERR "cannot register mac80211 hw (status %d)!\n",
-- 
GitLab


From baee1f3caa5a771880144358dd07d32e09ba4dcf Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Mon, 5 Oct 2009 00:52:09 +0200
Subject: [PATCH 0164/1815] Wireless / ath5k: Simplify suspend and resume
 callbacks

Simplify the suspend and resume callbacks of ath5k by converting the
driver to struct dev_pm_ops and allowing the PCI PM core to do the
PCI-specific suspend/resume handling.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath5k/base.c | 35 +++++++++------------------
 1 file changed, 11 insertions(+), 24 deletions(-)

diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index 70831f1bcf0..5aaa9bd036d 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -195,12 +195,13 @@ static int __devinit	ath5k_pci_probe(struct pci_dev *pdev,
 				const struct pci_device_id *id);
 static void __devexit	ath5k_pci_remove(struct pci_dev *pdev);
 #ifdef CONFIG_PM
-static int		ath5k_pci_suspend(struct pci_dev *pdev,
-					pm_message_t state);
-static int		ath5k_pci_resume(struct pci_dev *pdev);
+static int		ath5k_pci_suspend(struct device *dev);
+static int		ath5k_pci_resume(struct device *dev);
+
+SIMPLE_DEV_PM_OPS(ath5k_pm_ops, ath5k_pci_suspend, ath5k_pci_resume);
+#define ATH5K_PM_OPS	(&ath5k_pm_ops)
 #else
-#define ath5k_pci_suspend NULL
-#define ath5k_pci_resume NULL
+#define ATH5K_PM_OPS	NULL
 #endif /* CONFIG_PM */
 
 static struct pci_driver ath5k_pci_driver = {
@@ -208,8 +209,7 @@ static struct pci_driver ath5k_pci_driver = {
 	.id_table	= ath5k_pci_id_table,
 	.probe		= ath5k_pci_probe,
 	.remove		= __devexit_p(ath5k_pci_remove),
-	.suspend	= ath5k_pci_suspend,
-	.resume		= ath5k_pci_resume,
+	.driver.pm	= ATH5K_PM_OPS,
 };
 
 
@@ -703,33 +703,20 @@ ath5k_pci_remove(struct pci_dev *pdev)
 }
 
 #ifdef CONFIG_PM
-static int
-ath5k_pci_suspend(struct pci_dev *pdev, pm_message_t state)
+static int ath5k_pci_suspend(struct device *dev)
 {
-	struct ieee80211_hw *hw = pci_get_drvdata(pdev);
+	struct ieee80211_hw *hw = pci_get_drvdata(to_pci_dev(dev));
 	struct ath5k_softc *sc = hw->priv;
 
 	ath5k_led_off(sc);
-
-	pci_save_state(pdev);
-	pci_disable_device(pdev);
-	pci_set_power_state(pdev, PCI_D3hot);
-
 	return 0;
 }
 
-static int
-ath5k_pci_resume(struct pci_dev *pdev)
+static int ath5k_pci_resume(struct device *dev)
 {
+	struct pci_dev *pdev = to_pci_dev(dev);
 	struct ieee80211_hw *hw = pci_get_drvdata(pdev);
 	struct ath5k_softc *sc = hw->priv;
-	int err;
-
-	pci_restore_state(pdev);
-
-	err = pci_enable_device(pdev);
-	if (err)
-		return err;
 
 	/*
 	 * Suspend/Resume resets the PCI configuration space, so we have to
-- 
GitLab


From 0465af8e03bdc6cd0b49dc5548671387a8674b69 Mon Sep 17 00:00:00 2001
From: Holger Schurig <hs4233@mail.mn-solutions.de>
Date: Tue, 6 Oct 2009 16:31:20 +0200
Subject: [PATCH 0165/1815] libertas: separate libertas' Kconfig in it's own
 file

Also sorts all "source" lines in the wireless/Kconfig.

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/Kconfig           | 56 ++++----------------------
 drivers/net/wireless/libertas/Kconfig  | 40 ++++++++++++++++++
 drivers/net/wireless/libertas/Makefile | 14 ++++++-
 3 files changed, 60 insertions(+), 50 deletions(-)
 create mode 100644 drivers/net/wireless/libertas/Kconfig

diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig
index c9829c59fd9..18255fb28d1 100644
--- a/drivers/net/wireless/Kconfig
+++ b/drivers/net/wireless/Kconfig
@@ -139,47 +139,6 @@ config PCMCIA_RAYCS
 	  To compile this driver as a module, choose M here: the module will be
 	  called ray_cs.  If unsure, say N.
 
-config LIBERTAS
-	tristate "Marvell 8xxx Libertas WLAN driver support"
-	depends on WLAN_80211
-	select WIRELESS_EXT
-	select WEXT_SPY
-	select LIB80211
-	select FW_LOADER
-	---help---
-	  A library for Marvell Libertas 8xxx devices.
-
-config LIBERTAS_USB
-	tristate "Marvell Libertas 8388 USB 802.11b/g cards"
-	depends on LIBERTAS && USB
-	---help---
-	  A driver for Marvell Libertas 8388 USB devices.
-
-config LIBERTAS_CS
-	tristate "Marvell Libertas 8385 CompactFlash 802.11b/g cards"
-	depends on LIBERTAS && PCMCIA
-	select FW_LOADER
-	---help---
-	  A driver for Marvell Libertas 8385 CompactFlash devices.
-
-config LIBERTAS_SDIO
-	tristate "Marvell Libertas 8385/8686/8688 SDIO 802.11b/g cards"
-	depends on LIBERTAS && MMC
-	---help---
-	  A driver for Marvell Libertas 8385/8686/8688 SDIO devices.
-
-config LIBERTAS_SPI
-	tristate "Marvell Libertas 8686 SPI 802.11b/g cards"
-	depends on LIBERTAS && SPI
-	---help---
-	  A driver for Marvell Libertas 8686 SPI devices.
-
-config LIBERTAS_DEBUG
-	bool "Enable full debugging output in the Libertas module."
-	depends on LIBERTAS
-	---help---
-	  Debugging support.
-
 config LIBERTAS_THINFIRM
 	tristate "Marvell 8xxx Libertas WLAN driver support with thin firmware"
 	depends on WLAN_80211 && MAC80211
@@ -491,17 +450,18 @@ config MWL8K
 	  To compile this driver as a module, choose M here: the module
 	  will be called mwl8k.  If unsure, say N.
 
-source "drivers/net/wireless/p54/Kconfig"
 source "drivers/net/wireless/ath/Kconfig"
-source "drivers/net/wireless/ipw2x00/Kconfig"
-source "drivers/net/wireless/iwlwifi/Kconfig"
-source "drivers/net/wireless/hostap/Kconfig"
 source "drivers/net/wireless/b43/Kconfig"
 source "drivers/net/wireless/b43legacy/Kconfig"
-source "drivers/net/wireless/zd1211rw/Kconfig"
-source "drivers/net/wireless/rt2x00/Kconfig"
+source "drivers/net/wireless/hostap/Kconfig"
+source "drivers/net/wireless/ipw2x00/Kconfig"
+source "drivers/net/wireless/iwlwifi/Kconfig"
+source "drivers/net/wireless/iwmc3200wifi/Kconfig"
+source "drivers/net/wireless/libertas/Kconfig"
 source "drivers/net/wireless/orinoco/Kconfig"
+source "drivers/net/wireless/p54/Kconfig"
+source "drivers/net/wireless/rt2x00/Kconfig"
 source "drivers/net/wireless/wl12xx/Kconfig"
-source "drivers/net/wireless/iwmc3200wifi/Kconfig"
+source "drivers/net/wireless/zd1211rw/Kconfig"
 
 endif # WLAN
diff --git a/drivers/net/wireless/libertas/Kconfig b/drivers/net/wireless/libertas/Kconfig
new file mode 100644
index 00000000000..3e6c922c2f4
--- /dev/null
+++ b/drivers/net/wireless/libertas/Kconfig
@@ -0,0 +1,40 @@
+config LIBERTAS
+	tristate "Marvell 8xxx Libertas WLAN driver support"
+	depends on WLAN_80211
+	select WIRELESS_EXT
+	select WEXT_SPY
+	select LIB80211
+	select FW_LOADER
+	---help---
+	  A library for Marvell Libertas 8xxx devices.
+
+config LIBERTAS_USB
+	tristate "Marvell Libertas 8388 USB 802.11b/g cards"
+	depends on LIBERTAS && USB
+	---help---
+	  A driver for Marvell Libertas 8388 USB devices.
+
+config LIBERTAS_CS
+	tristate "Marvell Libertas 8385 CompactFlash 802.11b/g cards"
+	depends on LIBERTAS && PCMCIA
+	select FW_LOADER
+	---help---
+	  A driver for Marvell Libertas 8385 CompactFlash devices.
+
+config LIBERTAS_SDIO
+	tristate "Marvell Libertas 8385/8686/8688 SDIO 802.11b/g cards"
+	depends on LIBERTAS && MMC
+	---help---
+	  A driver for Marvell Libertas 8385/8686/8688 SDIO devices.
+
+config LIBERTAS_SPI
+	tristate "Marvell Libertas 8686 SPI 802.11b/g cards"
+	depends on LIBERTAS && SPI
+	---help---
+	  A driver for Marvell Libertas 8686 SPI devices.
+
+config LIBERTAS_DEBUG
+	bool "Enable full debugging output in the Libertas module."
+	depends on LIBERTAS
+	---help---
+	  Debugging support.
diff --git a/drivers/net/wireless/libertas/Makefile b/drivers/net/wireless/libertas/Makefile
index 0b691858450..2f63940fb7f 100644
--- a/drivers/net/wireless/libertas/Makefile
+++ b/drivers/net/wireless/libertas/Makefile
@@ -1,5 +1,15 @@
-libertas-objs := main.o wext.o rx.o tx.o cmd.o cmdresp.o scan.o 11d.o	\
-		 debugfs.o persistcfg.o ethtool.o assoc.o
+libertas-y += 11d.o
+libertas-y += assoc.o
+libertas-y += cmd.o
+libertas-y += cmdresp.o
+libertas-y += debugfs.o
+libertas-y += ethtool.o
+libertas-y += main.o
+libertas-y += persistcfg.o
+libertas-y += rx.o
+libertas-y += scan.o
+libertas-y += tx.o
+libertas-y += wext.o
 
 usb8xxx-objs += if_usb.o
 libertas_cs-objs += if_cs.o
-- 
GitLab


From ff9fc791940f9ff51387c35f9332efe5007154f1 Mon Sep 17 00:00:00 2001
From: Holger Schurig <hs4233@mail.mn-solutions.de>
Date: Tue, 6 Oct 2009 16:31:54 +0200
Subject: [PATCH 0166/1815] libertas: first stab at cfg80211 support

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/Makefile |   1 +
 drivers/net/wireless/libertas/cfg.c    | 198 +++++++++++++++++++++++++
 drivers/net/wireless/libertas/cfg.h    |  16 ++
 drivers/net/wireless/libertas/defs.h   |   2 +
 drivers/net/wireless/libertas/dev.h    |   1 +
 drivers/net/wireless/libertas/main.c   |  61 +++++---
 6 files changed, 262 insertions(+), 17 deletions(-)
 create mode 100644 drivers/net/wireless/libertas/cfg.c
 create mode 100644 drivers/net/wireless/libertas/cfg.h

diff --git a/drivers/net/wireless/libertas/Makefile b/drivers/net/wireless/libertas/Makefile
index 2f63940fb7f..e5584dd1c79 100644
--- a/drivers/net/wireless/libertas/Makefile
+++ b/drivers/net/wireless/libertas/Makefile
@@ -1,5 +1,6 @@
 libertas-y += 11d.o
 libertas-y += assoc.o
+libertas-y += cfg.o
 libertas-y += cmd.o
 libertas-y += cmdresp.o
 libertas-y += debugfs.o
diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c
new file mode 100644
index 00000000000..4396dccd12a
--- /dev/null
+++ b/drivers/net/wireless/libertas/cfg.c
@@ -0,0 +1,198 @@
+/*
+ * Implement cfg80211 ("iw") support.
+ *
+ * Copyright (C) 2009 M&N Solutions GmbH, 61191 Rosbach, Germany
+ * Holger Schurig <hs4233@mail.mn-solutions.de>
+ *
+ */
+
+#include <net/cfg80211.h>
+
+#include "cfg.h"
+#include "cmd.h"
+
+
+#define CHAN2G(_channel, _freq, _flags) {        \
+	.band             = IEEE80211_BAND_2GHZ, \
+	.center_freq      = (_freq),             \
+	.hw_value         = (_channel),          \
+	.flags            = (_flags),            \
+	.max_antenna_gain = 0,                   \
+	.max_power        = 30,                  \
+}
+
+static struct ieee80211_channel lbs_2ghz_channels[] = {
+	CHAN2G(1,  2412, 0),
+	CHAN2G(2,  2417, 0),
+	CHAN2G(3,  2422, 0),
+	CHAN2G(4,  2427, 0),
+	CHAN2G(5,  2432, 0),
+	CHAN2G(6,  2437, 0),
+	CHAN2G(7,  2442, 0),
+	CHAN2G(8,  2447, 0),
+	CHAN2G(9,  2452, 0),
+	CHAN2G(10, 2457, 0),
+	CHAN2G(11, 2462, 0),
+	CHAN2G(12, 2467, 0),
+	CHAN2G(13, 2472, 0),
+	CHAN2G(14, 2484, 0),
+};
+
+#define RATETAB_ENT(_rate, _rateid, _flags) { \
+	.bitrate  = (_rate),                  \
+	.hw_value = (_rateid),                \
+	.flags    = (_flags),                 \
+}
+
+
+static struct ieee80211_rate lbs_rates[] = {
+	RATETAB_ENT(10,  0x1,   0),
+	RATETAB_ENT(20,  0x2,   0),
+	RATETAB_ENT(55,  0x4,   0),
+	RATETAB_ENT(110, 0x8,   0),
+	RATETAB_ENT(60,  0x10,  0),
+	RATETAB_ENT(90,  0x20,  0),
+	RATETAB_ENT(120, 0x40,  0),
+	RATETAB_ENT(180, 0x80,  0),
+	RATETAB_ENT(240, 0x100, 0),
+	RATETAB_ENT(360, 0x200, 0),
+	RATETAB_ENT(480, 0x400, 0),
+	RATETAB_ENT(540, 0x800, 0),
+};
+
+static struct ieee80211_supported_band lbs_band_2ghz = {
+	.channels = lbs_2ghz_channels,
+	.n_channels = ARRAY_SIZE(lbs_2ghz_channels),
+	.bitrates = lbs_rates,
+	.n_bitrates = ARRAY_SIZE(lbs_rates),
+};
+
+
+static const u32 cipher_suites[] = {
+	WLAN_CIPHER_SUITE_WEP40,
+	WLAN_CIPHER_SUITE_WEP104,
+	WLAN_CIPHER_SUITE_TKIP,
+	WLAN_CIPHER_SUITE_CCMP,
+};
+
+
+
+static int lbs_cfg_set_channel(struct wiphy *wiphy,
+	struct ieee80211_channel *chan,
+	enum nl80211_channel_type channel_type)
+{
+	struct lbs_private *priv = wiphy_priv(wiphy);
+	int ret = -ENOTSUPP;
+
+	lbs_deb_enter_args(LBS_DEB_CFG80211, "freq %d, type %d", chan->center_freq, channel_type);
+
+	if (channel_type != NL80211_CHAN_NO_HT)
+		goto out;
+
+	ret = lbs_set_channel(priv, chan->hw_value);
+
+ out:
+	lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
+	return ret;
+}
+
+
+
+
+static struct cfg80211_ops lbs_cfg80211_ops = {
+	.set_channel = lbs_cfg_set_channel,
+};
+
+
+/*
+ * At this time lbs_private *priv doesn't even exist, so we just allocate
+ * memory and don't initialize the wiphy further. This is postponed until we
+ * can talk to the firmware and happens at registration time in
+ * lbs_cfg_wiphy_register().
+ */
+struct wireless_dev *lbs_cfg_alloc(struct device *dev)
+{
+	int ret = 0;
+	struct wireless_dev *wdev;
+
+	lbs_deb_enter(LBS_DEB_CFG80211);
+
+	wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
+	if (!wdev) {
+		dev_err(dev, "cannot allocate wireless device\n");
+		return ERR_PTR(-ENOMEM);
+	}
+
+	wdev->wiphy = wiphy_new(&lbs_cfg80211_ops, sizeof(struct lbs_private));
+	if (!wdev->wiphy) {
+		dev_err(dev, "cannot allocate wiphy\n");
+		ret = -ENOMEM;
+		goto err_wiphy_new;
+	}
+
+	lbs_deb_leave(LBS_DEB_CFG80211);
+	return wdev;
+
+ err_wiphy_new:
+	kfree(wdev);
+	lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
+	return ERR_PTR(ret);
+}
+
+
+/*
+ * This function get's called after lbs_setup_firmware() determined the
+ * firmware capabities. So we can setup the wiphy according to our
+ * hardware/firmware.
+ */
+int lbs_cfg_register(struct lbs_private *priv)
+{
+	struct wireless_dev *wdev = priv->wdev;
+	int ret;
+
+	lbs_deb_enter(LBS_DEB_CFG80211);
+
+	wdev->wiphy->max_scan_ssids = 1;
+	wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
+
+	/* TODO: BIT(NL80211_IFTYPE_ADHOC); */
+	wdev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
+
+	/* TODO: honor priv->regioncode */
+	wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &lbs_band_2ghz;
+
+	/*
+	 * We could check priv->fwcapinfo && FW_CAPINFO_WPA, but I have
+	 * never seen a firmware without WPA
+	 */
+	wdev->wiphy->cipher_suites = cipher_suites;
+	wdev->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
+
+	ret = wiphy_register(wdev->wiphy);
+	if (ret < 0)
+		lbs_pr_err("cannot register wiphy device\n");
+
+	ret = register_netdev(priv->dev);
+	if (ret)
+		lbs_pr_err("cannot register network device\n");
+
+	lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
+	return ret;
+}
+
+
+void lbs_cfg_free(struct lbs_private *priv)
+{
+	struct wireless_dev *wdev = priv->wdev;
+
+	lbs_deb_enter(LBS_DEB_CFG80211);
+
+	if (!wdev)
+		return;
+
+	if (wdev->wiphy) {
+		wiphy_unregister(wdev->wiphy);
+		wiphy_free(wdev->wiphy);
+	}
+	kfree(wdev);
+}
diff --git a/drivers/net/wireless/libertas/cfg.h b/drivers/net/wireless/libertas/cfg.h
new file mode 100644
index 00000000000..e09a193a34d
--- /dev/null
+++ b/drivers/net/wireless/libertas/cfg.h
@@ -0,0 +1,16 @@
+#ifndef __LBS_CFG80211_H__
+#define __LBS_CFG80211_H__
+
+#include "dev.h"
+
+struct wireless_dev *lbs_cfg_alloc(struct device *dev);
+int lbs_cfg_register(struct lbs_private *priv);
+void lbs_cfg_free(struct lbs_private *priv);
+
+int lbs_send_specific_ssid_scan(struct lbs_private *priv, u8 *ssid,
+	u8 ssid_len);
+int lbs_scan_networks(struct lbs_private *priv, int full_scan);
+void lbs_cfg_scan_worker(struct work_struct *work);
+
+
+#endif
diff --git a/drivers/net/wireless/libertas/defs.h b/drivers/net/wireless/libertas/defs.h
index 72f3479a4d7..1cf5d5985da 100644
--- a/drivers/net/wireless/libertas/defs.h
+++ b/drivers/net/wireless/libertas/defs.h
@@ -42,6 +42,7 @@
 #define LBS_DEB_SDIO	0x00400000
 #define LBS_DEB_SYSFS	0x00800000
 #define LBS_DEB_SPI	0x01000000
+#define LBS_DEB_CFG80211 0x02000000
 
 extern unsigned int lbs_debug;
 
@@ -86,6 +87,7 @@ do { if ((lbs_debug & (grp)) == (grp)) \
 #define lbs_deb_sdio(fmt, args...)      LBS_DEB_LL(LBS_DEB_SDIO, " sdio", fmt, ##args)
 #define lbs_deb_sysfs(fmt, args...)     LBS_DEB_LL(LBS_DEB_SYSFS, " sysfs", fmt, ##args)
 #define lbs_deb_spi(fmt, args...)       LBS_DEB_LL(LBS_DEB_SPI, " spi", fmt, ##args)
+#define lbs_deb_cfg80211(fmt, args...)  LBS_DEB_LL(LBS_DEB_CFG80211, " cfg80211", fmt, ##args)
 
 #define lbs_pr_info(format, args...) \
 	printk(KERN_INFO DRV_NAME": " format, ## args)
diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
index 0018df14fad..8abb28af5af 100644
--- a/drivers/net/wireless/libertas/dev.h
+++ b/drivers/net/wireless/libertas/dev.h
@@ -100,6 +100,7 @@ struct lbs_mesh_stats {
 
 /** Private structure for the MV device */
 struct lbs_private {
+	struct wireless_dev *wdev;
 	int mesh_open;
 	int mesh_fw_ver;
 	int infra_open;
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index 9b2a9174a01..e6da1dfa813 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -14,11 +14,13 @@
 #include <linux/stddef.h>
 #include <linux/ieee80211.h>
 #include <net/iw_handler.h>
+#include <net/cfg80211.h>
 
 #include "host.h"
 #include "decl.h"
 #include "dev.h"
 #include "wext.h"
+#include "cfg.h"
 #include "debugfs.h"
 #include "scan.h"
 #include "assoc.h"
@@ -1245,31 +1247,42 @@ static const struct net_device_ops lbs_netdev_ops = {
  */
 struct lbs_private *lbs_add_card(void *card, struct device *dmdev)
 {
-	struct net_device *dev = NULL;
+	struct net_device *dev;
+	struct wireless_dev *wdev;
 	struct lbs_private *priv = NULL;
 
 	lbs_deb_enter(LBS_DEB_MAIN);
 
 	/* Allocate an Ethernet device and register it */
-	dev = alloc_etherdev(sizeof(struct lbs_private));
-	if (!dev) {
-		lbs_pr_err("init wlanX device failed\n");
+	wdev = lbs_cfg_alloc(dmdev);
+	if (IS_ERR(wdev)) {
+		lbs_pr_err("cfg80211 init failed\n");
 		goto done;
 	}
-	priv = netdev_priv(dev);
-	dev->ml_priv = priv;
+	/* TODO? */
+	wdev->iftype = NL80211_IFTYPE_STATION;
+	priv = wdev_priv(wdev);
+	priv->wdev = wdev;
 
 	if (lbs_init_adapter(priv)) {
 		lbs_pr_err("failed to initialize adapter structure.\n");
-		goto err_init_adapter;
+		goto err_wdev;
+	}
+
+	//TODO? dev = alloc_netdev_mq(0, "wlan%d", ether_setup, IWM_TX_QUEUES);
+	dev = alloc_netdev(0, "wlan%d", ether_setup);
+	if (!dev) {
+		dev_err(dmdev, "no memory for network device instance\n");
+		goto err_adapter;
 	}
 
+	dev->netdev_ops = &lbs_netdev_ops;
+	dev->ieee80211_ptr = wdev;
+	dev->ml_priv = priv;
+	SET_NETDEV_DEV(dev, dmdev);
+	wdev->netdev = dev;
 	priv->dev = dev;
-	priv->card = card;
-	priv->mesh_open = 0;
-	priv->infra_open = 0;
 
-	/* Setup the OS Interface to our functions */
  	dev->netdev_ops = &lbs_netdev_ops;
 	dev->watchdog_timeo = 5 * HZ;
 	dev->ethtool_ops = &lbs_ethtool_ops;
@@ -1278,7 +1291,14 @@ struct lbs_private *lbs_add_card(void *card, struct device *dmdev)
 #endif
 	dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
 
-	SET_NETDEV_DEV(dev, dmdev);
+
+	// TODO: kzalloc + iwm_init_default_profile(iwm, iwm->umac_profile); ??
+
+
+	priv->card = card;
+	priv->mesh_open = 0;
+	priv->infra_open = 0;
+
 
 	priv->rtap_net_dev = NULL;
 	strcpy(dev->name, "wlan%d");
@@ -1288,7 +1308,7 @@ struct lbs_private *lbs_add_card(void *card, struct device *dmdev)
 	priv->main_thread = kthread_run(lbs_thread, dev, "lbs_main");
 	if (IS_ERR(priv->main_thread)) {
 		lbs_deb_thread("Error creating main thread.\n");
-		goto err_init_adapter;
+		goto err_ndev;
 	}
 
 	priv->work_thread = create_singlethread_workqueue("lbs_worker");
@@ -1305,9 +1325,15 @@ struct lbs_private *lbs_add_card(void *card, struct device *dmdev)
 
 	goto done;
 
-err_init_adapter:
-	lbs_free_adapter(priv);
+ err_ndev:
 	free_netdev(dev);
+
+ err_adapter:
+	lbs_free_adapter(priv);
+
+ err_wdev:
+	lbs_cfg_free(priv);
+
 	priv = NULL;
 
 done:
@@ -1359,6 +1385,7 @@ void lbs_remove_card(struct lbs_private *priv)
 	kthread_stop(priv->main_thread);
 
 	lbs_free_adapter(priv);
+	lbs_cfg_free(priv);
 
 	priv->dev = NULL;
 	free_netdev(dev);
@@ -1383,8 +1410,8 @@ int lbs_start_card(struct lbs_private *priv)
 	/* init 802.11d */
 	lbs_init_11d(priv);
 
-	if (register_netdev(dev)) {
-		lbs_pr_err("cannot register ethX device\n");
+	if (lbs_cfg_register(priv)) {
+		lbs_pr_err("cannot register device\n");
 		goto done;
 	}
 
-- 
GitLab


From 0adc23f58e21cb47be998063ea1b82de33ccdd46 Mon Sep 17 00:00:00 2001
From: "John W. Linville" <linville@tuxdriver.com>
Date: Tue, 6 Oct 2009 16:27:18 -0400
Subject: [PATCH 0167/1815] mac80211: support ETHTOOL_GPERMADDR

Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/iface.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index f6005adcbf9..87aff1d923b 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -184,10 +184,12 @@ static int ieee80211_open(struct net_device *dev)
 		 * No need to check netif_running since we do not allow
 		 * it to start up with this invalid address.
 		 */
-		if (compare_ether_addr(null_addr, ndev->dev_addr) == 0)
+		if (compare_ether_addr(null_addr, ndev->dev_addr) == 0) {
 			memcpy(ndev->dev_addr,
 			       local->hw.wiphy->perm_addr,
 			       ETH_ALEN);
+			memcpy(ndev->perm_addr, ndev->dev_addr, ETH_ALEN);
+		}
 	}
 
 	/*
@@ -784,6 +786,7 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
 		goto fail;
 
 	memcpy(ndev->dev_addr, local->hw.wiphy->perm_addr, ETH_ALEN);
+	memcpy(ndev->perm_addr, ndev->dev_addr, ETH_ALEN);
 	SET_NETDEV_DEV(ndev, wiphy_dev(local->hw.wiphy));
 
 	/* don't use IEEE80211_DEV_TO_SUB_IF because it checks too much */
-- 
GitLab


From 5b367378ee826b0566e51d32b78b00ce24eac8f9 Mon Sep 17 00:00:00 2001
From: "John W. Linville" <linville@tuxdriver.com>
Date: Tue, 6 Oct 2009 16:41:21 -0400
Subject: [PATCH 0168/1815] iwmc3200wifi: support ETHTOOL_GPERMADDR

Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwmc3200wifi/main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/wireless/iwmc3200wifi/main.c b/drivers/net/wireless/iwmc3200wifi/main.c
index d668e475632..170f3370649 100644
--- a/drivers/net/wireless/iwmc3200wifi/main.c
+++ b/drivers/net/wireless/iwmc3200wifi/main.c
@@ -637,6 +637,8 @@ static int __iwm_up(struct iwm_priv *iwm)
 		IWM_ERR(iwm, "MAC reading failed\n");
 		goto err_disable;
 	}
+	memcpy(iwm_to_ndev(iwm)->perm_addr, iwm_to_ndev(iwm)->dev_addr,
+		ETH_ALEN);
 
 	/* We can load the FWs */
 	ret = iwm_load_fw(iwm);
-- 
GitLab


From 5e5eab5dd4339b66e9e59695812fd4b96c3bb1c0 Mon Sep 17 00:00:00 2001
From: "John W. Linville" <linville@tuxdriver.com>
Date: Tue, 6 Oct 2009 16:45:14 -0400
Subject: [PATCH 0169/1815] ipw2200: support ETHTOOL_GPERMADDR

Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ipw2x00/ipw2200.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/ipw2x00/ipw2200.c b/drivers/net/wireless/ipw2x00/ipw2200.c
index 8d58e6ed4e7..61ef8904af9 100644
--- a/drivers/net/wireless/ipw2x00/ipw2200.c
+++ b/drivers/net/wireless/ipw2x00/ipw2200.c
@@ -11275,6 +11275,7 @@ static int ipw_up(struct ipw_priv *priv)
 		if (!(priv->config & CFG_CUSTOM_MAC))
 			eeprom_parse_mac(priv, priv->mac_addr);
 		memcpy(priv->net_dev->dev_addr, priv->mac_addr, ETH_ALEN);
+		memcpy(priv->net_dev->perm_addr, priv->mac_addr, ETH_ALEN);
 
 		for (j = 0; j < ARRAY_SIZE(ipw_geos); j++) {
 			if (!memcmp(&priv->eeprom[EEPROM_COUNTRY_CODE],
-- 
GitLab


From cf32ed92432303022be208bb6a173994712f1f23 Mon Sep 17 00:00:00 2001
From: "John W. Linville" <linville@tuxdriver.com>
Date: Tue, 6 Oct 2009 16:47:23 -0400
Subject: [PATCH 0170/1815] orinoco: support ETHTOOL_GPERMADDR

Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/orinoco/main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/orinoco/main.c b/drivers/net/wireless/orinoco/main.c
index 7a32bcb0c03..5fdc59c594f 100644
--- a/drivers/net/wireless/orinoco/main.c
+++ b/drivers/net/wireless/orinoco/main.c
@@ -2225,6 +2225,7 @@ int orinoco_if_add(struct orinoco_private *priv,
 	netif_carrier_off(dev);
 
 	memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN);
+	memcpy(dev->perm_addr, wiphy->perm_addr, ETH_ALEN);
 
 	dev->base_addr = base_addr;
 	dev->irq = irq;
-- 
GitLab


From a82ac21efcefabb4879eb5b4e7a2c7a142026bdb Mon Sep 17 00:00:00 2001
From: "John W. Linville" <linville@tuxdriver.com>
Date: Wed, 7 Oct 2009 10:49:33 -0400
Subject: [PATCH 0171/1815] net/wireless/ethtool.h: drop unnecessary include of
 linux/ethtool.h

Everything including this header includes net/cfg80211.h, which
includes linux/netdevice.h, which includes linux/ethtool.h already.  Why
slow-down the build, even a little bit?

Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/wireless/ethtool.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/net/wireless/ethtool.h b/net/wireless/ethtool.h
index 70cbee1bc62..695ecad20bd 100644
--- a/net/wireless/ethtool.h
+++ b/net/wireless/ethtool.h
@@ -1,8 +1,6 @@
 #ifndef __CFG80211_ETHTOOL__
 #define __CFG80211_ETHTOOL__
 
-#include <linux/ethtool.h>
-
 extern const struct ethtool_ops cfg80211_ethtool_ops;
 
 #endif /* __CFG80211_ETHTOOL__ */
-- 
GitLab


From c6d3597cd54739281e964aa3c063f794e960f75e Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Tue, 6 Oct 2009 13:27:29 -0700
Subject: [PATCH 0172/1815] wireless: fix CFG80211_WEXT build problems

Fix CFG80211_WEXT build dependencies/errors:

ERROR: "cfg80211_wext_siwscan" [drivers/net/wireless/orinoco/orinoco.ko] undefined!
ERROR: "cfg80211_wext_siwmode" [drivers/net/wireless/orinoco/orinoco.ko] undefined!
ERROR: "cfg80211_wext_giwrange" [drivers/net/wireless/orinoco/orinoco.ko] undefined!
ERROR: "cfg80211_wext_giwmode" [drivers/net/wireless/orinoco/orinoco.ko] undefined!
ERROR: "cfg80211_wext_giwname" [drivers/net/wireless/orinoco/orinoco.ko] undefined!
ERROR: "cfg80211_wext_giwscan" [drivers/net/wireless/orinoco/orinoco.ko] undefined!
ERROR: "cfg80211_wext_giwname" [drivers/net/wireless/ipw2x00/ipw2200.ko] undefined!

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ipw2x00/Kconfig | 2 +-
 drivers/net/wireless/orinoco/Kconfig | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ipw2x00/Kconfig b/drivers/net/wireless/ipw2x00/Kconfig
index 56fab79dc36..59ec9eec502 100644
--- a/drivers/net/wireless/ipw2x00/Kconfig
+++ b/drivers/net/wireless/ipw2x00/Kconfig
@@ -65,7 +65,7 @@ config IPW2100_DEBUG
 
 config IPW2200
 	tristate "Intel PRO/Wireless 2200BG and 2915ABG Network Connection"
-	depends on PCI && WLAN_80211 && CFG80211
+	depends on PCI && WLAN_80211 && CFG80211 && CFG80211_WEXT
 	select WIRELESS_EXT
 	select WEXT_SPY
 	select WEXT_PRIV
diff --git a/drivers/net/wireless/orinoco/Kconfig b/drivers/net/wireless/orinoco/Kconfig
index 13b03b3e8fc..dce652054af 100644
--- a/drivers/net/wireless/orinoco/Kconfig
+++ b/drivers/net/wireless/orinoco/Kconfig
@@ -1,7 +1,7 @@
 config HERMES
 	tristate "Hermes chipset 802.11b support (Orinoco/Prism2/Symbol)"
 	depends on (PPC_PMAC || PCI || PCMCIA) && WLAN_80211
-	depends on CFG80211
+	depends on CFG80211 && CFG80211_WEXT
 	select WIRELESS_EXT
 	select WEXT_SPY
 	select WEXT_PRIV
-- 
GitLab


From eb053a037d8951018bdc9133c8d312da9cd0aefb Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Tue, 6 Oct 2009 20:44:28 -0400
Subject: [PATCH 0173/1815] ath5k: fix regression on setting bssid mask on
 association

There was a typo on the second bssid mask register.
This was caused by the patch titled:

"ath5k: use common curbssid, bssidmask and macaddr"

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath5k/pcu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath5k/pcu.c b/drivers/net/wireless/ath/ath5k/pcu.c
index 9ac763875a9..0385e802252 100644
--- a/drivers/net/wireless/ath/ath5k/pcu.c
+++ b/drivers/net/wireless/ath/ath5k/pcu.c
@@ -292,7 +292,7 @@ void ath5k_hw_set_associd(struct ath5k_hw *ah, const u8 *bssid, u16 assoc_id)
 		ath5k_hw_reg_write(ah, get_unaligned_le32(common->bssidmask),
 				   AR_BSSMSKL);
 		ath5k_hw_reg_write(ah,
-				   get_unaligned_le16(common->curbssid + 4),
+				   get_unaligned_le16(common->bssidmask + 4),
 				   AR_BSSMSKU);
 	}
 
-- 
GitLab


From a72d57a862f700edf85da81aae3cd8f923e989a1 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Tue, 6 Oct 2009 20:44:29 -0400
Subject: [PATCH 0174/1815] ath5k: use ath_hw_setbssidmask() for bssid mask
 setting upon assoc

This should avoid future typos.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath5k/pcu.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wireless/ath/ath5k/pcu.c b/drivers/net/wireless/ath/ath5k/pcu.c
index 0385e802252..32fd5f88fb7 100644
--- a/drivers/net/wireless/ath/ath5k/pcu.c
+++ b/drivers/net/wireless/ath/ath5k/pcu.c
@@ -288,13 +288,8 @@ void ath5k_hw_set_associd(struct ath5k_hw *ah, const u8 *bssid, u16 assoc_id)
 	/*
 	 * Set simple BSSID mask on 5212
 	 */
-	if (ah->ah_version == AR5K_AR5212) {
-		ath5k_hw_reg_write(ah, get_unaligned_le32(common->bssidmask),
-				   AR_BSSMSKL);
-		ath5k_hw_reg_write(ah,
-				   get_unaligned_le16(common->bssidmask + 4),
-				   AR_BSSMSKU);
-	}
+	if (ah->ah_version == AR5K_AR5212)
+		ath_hw_setbssidmask(common);
 
 	/*
 	 * Set BSSID which triggers the "SME Join" operation
-- 
GitLab


From 91b9eb8261acfe473c369750036df24ad071e5c1 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Tue, 6 Oct 2009 20:44:30 -0400
Subject: [PATCH 0175/1815] ath5k: fix regression introduced upon the removal
 of AR5K_HIGH_ID()

The trick was to add four bytes whenever this was used. There
are two places where this was missed.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath5k/pcu.c   | 2 +-
 drivers/net/wireless/ath/ath5k/reset.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ath5k/pcu.c b/drivers/net/wireless/ath/ath5k/pcu.c
index 32fd5f88fb7..9e6e41bdd09 100644
--- a/drivers/net/wireless/ath/ath5k/pcu.c
+++ b/drivers/net/wireless/ath/ath5k/pcu.c
@@ -295,7 +295,7 @@ void ath5k_hw_set_associd(struct ath5k_hw *ah, const u8 *bssid, u16 assoc_id)
 	 * Set BSSID which triggers the "SME Join" operation
 	 */
 	low_id = get_unaligned_le32(bssid);
-	high_id = get_unaligned_le16(bssid);
+	high_id = get_unaligned_le16(bssid + 4);
 	ath5k_hw_reg_write(ah, low_id, AR_BSSMSKL);
 	ath5k_hw_reg_write(ah, high_id | ((assoc_id & 0x3fff) <<
 				AR5K_BSS_ID1_AID_S), AR_BSSMSKU);
diff --git a/drivers/net/wireless/ath/ath5k/reset.c b/drivers/net/wireless/ath/ath5k/reset.c
index 51aff7652c4..39346a26ddb 100644
--- a/drivers/net/wireless/ath/ath5k/reset.c
+++ b/drivers/net/wireless/ath/ath5k/reset.c
@@ -1178,7 +1178,7 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
 			   get_unaligned_le32(common->macaddr),
 			   AR5K_STA_ID0);
 	ath5k_hw_reg_write(ah,
-			   staid1_flags | get_unaligned_le16(common->macaddr),
+			   staid1_flags | get_unaligned_le16(common->macaddr + 4),
 			   AR5K_STA_ID1);
 
 
-- 
GitLab


From be5d6b75e0fb3f7e23ea5325109ef4195f2b282a Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Tue, 6 Oct 2009 20:44:31 -0400
Subject: [PATCH 0176/1815] ath5k: simplify passed params to
 ath5k_hw_set_associd()

We have access to common->curbssid and common->curaid so just
use those. Note that common->curaid is always 0 so this keeps
our current behaviour of always using 0 for now. Once we fix
storing the association ID passed by mac80211 this will
require no changes here.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath5k/ath5k.h  |  2 +-
 drivers/net/wireless/ath/ath5k/attach.c |  2 +-
 drivers/net/wireless/ath/ath5k/base.c   |  2 +-
 drivers/net/wireless/ath/ath5k/pcu.c    | 10 +++++-----
 drivers/net/wireless/ath/ath5k/reset.c  |  2 +-
 5 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/net/wireless/ath/ath5k/ath5k.h b/drivers/net/wireless/ath/ath5k/ath5k.h
index 43585d54c27..647d826bf5f 100644
--- a/drivers/net/wireless/ath/ath5k/ath5k.h
+++ b/drivers/net/wireless/ath/ath5k/ath5k.h
@@ -1191,7 +1191,7 @@ extern bool ath5k_eeprom_is_hb63(struct ath5k_hw *ah);
 extern int ath5k_hw_set_opmode(struct ath5k_hw *ah);
 /* BSSID Functions */
 extern int ath5k_hw_set_lladdr(struct ath5k_hw *ah, const u8 *mac);
-extern void ath5k_hw_set_associd(struct ath5k_hw *ah, const u8 *bssid, u16 assoc_id);
+extern void ath5k_hw_set_associd(struct ath5k_hw *ah);
 extern void ath5k_hw_set_bssid_mask(struct ath5k_hw *ah, const u8 *mask);
 /* Receive start/stop functions */
 extern void ath5k_hw_start_rx_pcu(struct ath5k_hw *ah);
diff --git a/drivers/net/wireless/ath/ath5k/attach.c b/drivers/net/wireless/ath/ath5k/attach.c
index e230de8ad32..92995adeb5c 100644
--- a/drivers/net/wireless/ath/ath5k/attach.c
+++ b/drivers/net/wireless/ath/ath5k/attach.c
@@ -326,7 +326,7 @@ int ath5k_hw_attach(struct ath5k_softc *sc)
 
 	/* Set BSSID to bcast address: ff:ff:ff:ff:ff:ff for now */
 	memcpy(common->curbssid, ath_bcast_mac, ETH_ALEN);
-	ath5k_hw_set_associd(ah, common->curbssid, 0);
+	ath5k_hw_set_associd(ah);
 	ath5k_hw_set_opmode(ah);
 
 	ath5k_hw_rfgain_opt_init(ah);
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index 5aaa9bd036d..01da83d75ef 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -3213,7 +3213,7 @@ static void ath5k_bss_info_changed(struct ieee80211_hw *hw,
 		memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
 		/* XXX: assoc id is set to 0 for now, mac80211 doesn't have
 		 * a clean way of letting us retrieve this yet. */
-		ath5k_hw_set_associd(ah, common->curbssid, 0);
+		ath5k_hw_set_associd(ah);
 		mmiowb();
 	}
 
diff --git a/drivers/net/wireless/ath/ath5k/pcu.c b/drivers/net/wireless/ath/ath5k/pcu.c
index 9e6e41bdd09..23e5e7e5b49 100644
--- a/drivers/net/wireless/ath/ath5k/pcu.c
+++ b/drivers/net/wireless/ath/ath5k/pcu.c
@@ -279,7 +279,7 @@ int ath5k_hw_set_lladdr(struct ath5k_hw *ah, const u8 *mac)
  *
  * Sets the BSSID which trigers the "SME Join" operation
  */
-void ath5k_hw_set_associd(struct ath5k_hw *ah, const u8 *bssid, u16 assoc_id)
+void ath5k_hw_set_associd(struct ath5k_hw *ah)
 {
 	struct ath_common *common = ath5k_hw_common(ah);
 	u32 low_id, high_id;
@@ -294,13 +294,13 @@ void ath5k_hw_set_associd(struct ath5k_hw *ah, const u8 *bssid, u16 assoc_id)
 	/*
 	 * Set BSSID which triggers the "SME Join" operation
 	 */
-	low_id = get_unaligned_le32(bssid);
-	high_id = get_unaligned_le16(bssid + 4);
+	low_id = get_unaligned_le32(common->curbssid);
+	high_id = get_unaligned_le16(common->curbssid + 4);
 	ath5k_hw_reg_write(ah, low_id, AR_BSSMSKL);
-	ath5k_hw_reg_write(ah, high_id | ((assoc_id & 0x3fff) <<
+	ath5k_hw_reg_write(ah, high_id | ((common->curaid & 0x3fff) <<
 				AR5K_BSS_ID1_AID_S), AR_BSSMSKU);
 
-	if (assoc_id == 0) {
+	if (common->curaid == 0) {
 		ath5k_hw_disable_pspoll(ah);
 		return;
 	}
diff --git a/drivers/net/wireless/ath/ath5k/reset.c b/drivers/net/wireless/ath/ath5k/reset.c
index 39346a26ddb..fb898154879 100644
--- a/drivers/net/wireless/ath/ath5k/reset.c
+++ b/drivers/net/wireless/ath/ath5k/reset.c
@@ -1188,7 +1188,7 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
 
 	/* Restore bssid and bssid mask */
 	/* XXX: add ah->aid once mac80211 gives this to us */
-	ath5k_hw_set_associd(ah, common->curbssid, 0);
+	ath5k_hw_set_associd(ah);
 
 	/* Set PCU config */
 	ath5k_hw_set_opmode(ah);
-- 
GitLab


From abba06869e2546484fa142528737d1a0622add54 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Tue, 6 Oct 2009 20:44:32 -0400
Subject: [PATCH 0177/1815] ath5k: remove temporary low_id and high_id vars on
 ath5k_hw_set_associd()

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath5k/pcu.c | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wireless/ath/ath5k/pcu.c b/drivers/net/wireless/ath/ath5k/pcu.c
index 23e5e7e5b49..2ab9c0ecbb8 100644
--- a/drivers/net/wireless/ath/ath5k/pcu.c
+++ b/drivers/net/wireless/ath/ath5k/pcu.c
@@ -282,7 +282,6 @@ int ath5k_hw_set_lladdr(struct ath5k_hw *ah, const u8 *mac)
 void ath5k_hw_set_associd(struct ath5k_hw *ah)
 {
 	struct ath_common *common = ath5k_hw_common(ah);
-	u32 low_id, high_id;
 	u16 tim_offset = 0;
 
 	/*
@@ -294,11 +293,13 @@ void ath5k_hw_set_associd(struct ath5k_hw *ah)
 	/*
 	 * Set BSSID which triggers the "SME Join" operation
 	 */
-	low_id = get_unaligned_le32(common->curbssid);
-	high_id = get_unaligned_le16(common->curbssid + 4);
-	ath5k_hw_reg_write(ah, low_id, AR_BSSMSKL);
-	ath5k_hw_reg_write(ah, high_id | ((common->curaid & 0x3fff) <<
-				AR5K_BSS_ID1_AID_S), AR_BSSMSKU);
+	ath5k_hw_reg_write(ah,
+			   get_unaligned_le32(common->curbssid),
+			   AR_BSSMSKL);
+	ath5k_hw_reg_write(ah,
+			   get_unaligned_le16(common->curbssid + 4) |
+			   ((common->curaid & 0x3fff) << AR5K_BSS_ID1_AID_S),
+			   AR_BSSMSKU);
 
 	if (common->curaid == 0) {
 		ath5k_hw_disable_pspoll(ah);
@@ -306,7 +307,7 @@ void ath5k_hw_set_associd(struct ath5k_hw *ah)
 	}
 
 	AR5K_REG_WRITE_BITS(ah, AR5K_BEACON, AR5K_BEACON_TIM,
-			tim_offset ? tim_offset + 4 : 0);
+			    tim_offset ? tim_offset + 4 : 0);
 
 	ath5k_hw_enable_pspoll(ah, NULL, 0);
 }
-- 
GitLab


From a3f86bff1c056f47c2df4c58bfcf7bdda8eaf9d0 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Tue, 6 Oct 2009 20:44:33 -0400
Subject: [PATCH 0178/1815] ath5k: fix regression which triggers an SME join
 upon assoc

This fixes a regression introduced by patch titled:

"atheros: define shared bssidmask setting"

The register for the BSSID was exchanged for the bssid mask register.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath5k/pcu.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ath5k/pcu.c b/drivers/net/wireless/ath/ath5k/pcu.c
index 2ab9c0ecbb8..64fc1eb9b6d 100644
--- a/drivers/net/wireless/ath/ath5k/pcu.c
+++ b/drivers/net/wireless/ath/ath5k/pcu.c
@@ -295,11 +295,11 @@ void ath5k_hw_set_associd(struct ath5k_hw *ah)
 	 */
 	ath5k_hw_reg_write(ah,
 			   get_unaligned_le32(common->curbssid),
-			   AR_BSSMSKL);
+			   AR5K_BSS_ID0);
 	ath5k_hw_reg_write(ah,
 			   get_unaligned_le16(common->curbssid + 4) |
 			   ((common->curaid & 0x3fff) << AR5K_BSS_ID1_AID_S),
-			   AR_BSSMSKU);
+			   AR5K_BSS_ID1);
 
 	if (common->curaid == 0) {
 		ath5k_hw_disable_pspoll(ah);
-- 
GitLab


From 8ce54c5a5f5d2f4f03993395d60f3110670002ca Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Tue, 6 Oct 2009 20:44:34 -0400
Subject: [PATCH 0179/1815] ath5k: enable Power-Save Polls by setting the
 association ID

mac80211 has long provided us the association ID. This isn't useful except
for Power-Save polling which now gets enabled. We can now poll for our
pending frames on the AP during power save.

You can review the details of Power-Save on the wireless wiki:

http://wireless.kernel.org/en/developers/Documentation/ieee80211/power-savings

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath5k/base.c  | 11 +++++++++--
 drivers/net/wireless/ath/ath5k/reset.c |  1 -
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index 01da83d75ef..07c1e52b5a0 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -3211,8 +3211,7 @@ static void ath5k_bss_info_changed(struct ieee80211_hw *hw,
 	if (changes & BSS_CHANGED_BSSID) {
 		/* Cache for later use during resets */
 		memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
-		/* XXX: assoc id is set to 0 for now, mac80211 doesn't have
-		 * a clean way of letting us retrieve this yet. */
+		common->curaid = 0;
 		ath5k_hw_set_associd(ah);
 		mmiowb();
 	}
@@ -3226,6 +3225,14 @@ static void ath5k_bss_info_changed(struct ieee80211_hw *hw,
 			set_beacon_filter(hw, sc->assoc);
 		ath5k_hw_set_ledstate(sc->ah, sc->assoc ?
 			AR5K_LED_ASSOC : AR5K_LED_INIT);
+		if (bss_conf->assoc) {
+			ATH5K_DBG(sc, ATH5K_DEBUG_ANY,
+				  "Bss Info ASSOC %d, bssid: %pM\n",
+				  bss_conf->aid, common->curbssid);
+			common->curaid = bss_conf->aid;
+			ath5k_hw_set_associd(ah);
+			/* Once ANI is available you would start it here */
+		}
 	}
 
 	if (changes & BSS_CHANGED_BEACON) {
diff --git a/drivers/net/wireless/ath/ath5k/reset.c b/drivers/net/wireless/ath/ath5k/reset.c
index fb898154879..3dab3d856d7 100644
--- a/drivers/net/wireless/ath/ath5k/reset.c
+++ b/drivers/net/wireless/ath/ath5k/reset.c
@@ -1187,7 +1187,6 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
 	 */
 
 	/* Restore bssid and bssid mask */
-	/* XXX: add ah->aid once mac80211 gives this to us */
 	ath5k_hw_set_associd(ah);
 
 	/* Set PCU config */
-- 
GitLab


From faa27fae7da900b6d977124410caa3d014676478 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Tue, 6 Oct 2009 21:19:06 -0400
Subject: [PATCH 0180/1815] ath9k: move common->debug_mask setting to
 ath_init_softc()

What this means is we can enable now debug prints without
requiring CONFIG_ATH9K_DEBUG.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/debug.c | 5 -----
 drivers/net/wireless/ath/ath9k/main.c  | 5 +++++
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 25ae88ebdfa..84f44269de4 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -23,9 +23,6 @@
 #define REG_READ_D(_ah, _reg) \
 	ath9k_hw_common(_ah)->ops->read((_ah), (_reg))
 
-static unsigned int ath9k_debug = ATH_DBG_DEFAULT;
-module_param_named(debug, ath9k_debug, uint, 0);
-
 static struct dentry *ath9k_debugfs_root;
 
 static int ath9k_debugfs_open(struct inode *inode, struct file *file)
@@ -565,8 +562,6 @@ int ath9k_init_debug(struct ath_hw *ah)
 	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath_softc *sc = (struct ath_softc *) common->priv;
 
-	common->debug_mask = ath9k_debug;
-
 	if (!ath9k_debugfs_root)
 		return -ENOENT;
 
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 86374ad9313..7f90cb872a6 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -29,6 +29,10 @@ static int modparam_nohwcrypt;
 module_param_named(nohwcrypt, modparam_nohwcrypt, int, 0444);
 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption");
 
+static unsigned int ath9k_debug = ATH_DBG_DEFAULT;
+module_param_named(debug, ath9k_debug, uint, 0);
+MODULE_PARM_DESC(ath9k_debug, "Debugging mask");
+
 /* We use the hw_value as an index into our private channel structure */
 
 #define CHAN2G(_freq, _idx)  { \
@@ -1637,6 +1641,7 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
 	common->ah = ah;
 	common->hw = sc->hw;
 	common->priv = sc;
+	common->debug_mask = ath9k_debug;
 
 	/*
 	 * Cache line size is used to size and align various
-- 
GitLab


From 211f5859af951788a3fe4752142a5e9047afa5d8 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Tue, 6 Oct 2009 21:19:07 -0400
Subject: [PATCH 0181/1815] ath9k: initialize hw prior to debugfs

debugfs uses the hardware for several debugfs files as such the
hardware must be initialized and available prior to its usage. The
same applies to when we free the hw structs -- free debufs file
entries prior to free'ing the hardware.

Reported-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath.h        |  6 ++++++
 drivers/net/wireless/ath/ath9k/hw.c   | 11 ++++++++++-
 drivers/net/wireless/ath/ath9k/main.c | 28 +++++++++++++--------------
 3 files changed, 30 insertions(+), 15 deletions(-)

diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h
index b6cd752df83..5e19a7330d3 100644
--- a/drivers/net/wireless/ath/ath.h
+++ b/drivers/net/wireless/ath/ath.h
@@ -23,6 +23,11 @@
 
 static const u8 ath_bcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 
+enum ath_device_state {
+	ATH_HW_UNAVAILABLE,
+	ATH_HW_INITIALIZED,
+};
+
 struct reg_dmn_pair_mapping {
 	u16 regDmnEnum;
 	u16 reg_5ghz_ctl;
@@ -59,6 +64,7 @@ struct ath_common {
 	void *priv;
 	struct ieee80211_hw *hw;
 	int debug_mask;
+	enum ath_device_state state;
 
 	u16 cachelsz;
 	u16 curaid;
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 692fd1dd909..cab17c6c8a3 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -999,6 +999,8 @@ int ath9k_hw_init(struct ath_hw *ah)
 
 	ath9k_init_nfcal_hist_buffer(ah);
 
+	common->state = ATH_HW_INITIALIZED;
+
 	return 0;
 }
 
@@ -1239,11 +1241,18 @@ const char *ath9k_hw_probe(u16 vendorid, u16 devid)
 
 void ath9k_hw_detach(struct ath_hw *ah)
 {
+	struct ath_common *common = ath9k_hw_common(ah);
+
+	if (common->state <= ATH_HW_INITIALIZED)
+		goto free_hw;
+
 	if (!AR_SREV_9100(ah))
 		ath9k_hw_ani_disable(ah);
 
-	ath9k_hw_rf_free(ah);
 	ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP);
+
+free_hw:
+	ath9k_hw_rf_free(ah);
 	kfree(ah);
 	ah = NULL;
 }
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 7f90cb872a6..0fe915acd21 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1365,8 +1365,8 @@ void ath_detach(struct ath_softc *sc)
 	    ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE)
 		ath_gen_timer_free(ah, sc->btcoex.no_stomp_timer);
 
-	ath9k_hw_detach(ah);
 	ath9k_exit_debug(ah);
+	ath9k_hw_detach(ah);
 	sc->sc_ah = NULL;
 }
 
@@ -1626,10 +1626,8 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
 		     (unsigned long)sc);
 
 	ah = kzalloc(sizeof(struct ath_hw), GFP_KERNEL);
-	if (!ah) {
-		r = -ENOMEM;
-		goto bad_no_ah;
-	}
+	if (!ah)
+		return -ENOMEM;
 
 	ah->hw_version.devid = devid;
 	ah->hw_version.subsysid = subsysid;
@@ -1651,15 +1649,18 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
 	/* XXX assert csz is non-zero */
 	common->cachelsz = csz << 2;	/* convert to bytes */
 
-	if (ath9k_init_debug(ah) < 0)
-		dev_err(sc->dev, "Unable to create debugfs files\n");
-
 	r = ath9k_hw_init(ah);
 	if (r) {
 		ath_print(common, ATH_DBG_FATAL,
 			  "Unable to initialize hardware; "
 			  "initialization status: %d\n", r);
-		goto bad;
+		goto bad_free_hw;
+	}
+
+	if (ath9k_init_debug(ah) < 0) {
+		ath_print(common, ATH_DBG_FATAL,
+			  "Unable to create debugfs files\n");
+		goto bad_free_hw;
 	}
 
 	/* Get the hardware key cache size. */
@@ -1848,12 +1849,11 @@ bad2:
 	for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
 		if (ATH_TXQ_SETUP(sc, i))
 			ath_tx_cleanupq(sc, &sc->tx.txq[i]);
-bad:
+
+	ath9k_exit_debug(ah);
+bad_free_hw:
 	ath9k_hw_detach(ah);
-bad_no_ah:
-	ath9k_exit_debug(sc->sc_ah);
 	sc->sc_ah = NULL;
-
 	return r;
 }
 
@@ -1966,8 +1966,8 @@ error_attach:
 		if (ATH_TXQ_SETUP(sc, i))
 			ath_tx_cleanupq(sc, &sc->tx.txq[i]);
 
-	ath9k_hw_detach(ah);
 	ath9k_exit_debug(ah);
+	ath9k_hw_detach(ah);
 	sc->sc_ah = NULL;
 
 	return error;
-- 
GitLab


From 7fda16665152851fe65ee73e24afdcaf67acba59 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Tue, 6 Oct 2009 21:19:08 -0400
Subject: [PATCH 0182/1815] ath9k: add helper to un-init the hw properly

This is used in several places, ensure we do it right in all
callers by using a helper.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/main.c | 23 ++++++++++++++---------
 1 file changed, 14 insertions(+), 9 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 0fe915acd21..e6842dd83ce 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1325,6 +1325,17 @@ void ath_cleanup(struct ath_softc *sc)
 	ieee80211_free_hw(sc->hw);
 }
 
+static void ath9k_uninit_hw(struct ath_softc *sc)
+{
+	struct ath_hw *ah = sc->sc_ah;
+
+	BUG_ON(!ah);
+
+	ath9k_exit_debug(ah);
+	ath9k_hw_detach(ah);
+	sc->sc_ah = NULL;
+}
+
 void ath_detach(struct ath_softc *sc)
 {
 	struct ieee80211_hw *hw = sc->hw;
@@ -1365,9 +1376,7 @@ void ath_detach(struct ath_softc *sc)
 	    ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE)
 		ath_gen_timer_free(ah, sc->btcoex.no_stomp_timer);
 
-	ath9k_exit_debug(ah);
-	ath9k_hw_detach(ah);
-	sc->sc_ah = NULL;
+	ath9k_uninit_hw(sc);
 }
 
 static int ath9k_reg_notifier(struct wiphy *wiphy,
@@ -1850,10 +1859,8 @@ bad2:
 		if (ATH_TXQ_SETUP(sc, i))
 			ath_tx_cleanupq(sc, &sc->tx.txq[i]);
 
-	ath9k_exit_debug(ah);
 bad_free_hw:
-	ath9k_hw_detach(ah);
-	sc->sc_ah = NULL;
+	ath9k_uninit_hw(sc);
 	return r;
 }
 
@@ -1966,9 +1973,7 @@ error_attach:
 		if (ATH_TXQ_SETUP(sc, i))
 			ath_tx_cleanupq(sc, &sc->tx.txq[i]);
 
-	ath9k_exit_debug(ah);
-	ath9k_hw_detach(ah);
-	sc->sc_ah = NULL;
+	ath9k_uninit_hw(sc);
 
 	return error;
 }
-- 
GitLab


From 2568835cb44d6fe976e977d96aeca73c9fe1642c Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Tue, 6 Oct 2009 21:19:09 -0400
Subject: [PATCH 0183/1815] ath9k: add a helper to clean the core driver upon
 module unload

The core driver needs to be stopped and then as a last step the
hardware needs to be stopped and its structure free'd. We do this
by moving the core driver cleanup to a new helper ath_clean_core()
and have ath_cleanup() call it. Only as a last step does
ath_cleanup() now free the hw.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/main.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index e6842dd83ce..39b27805305 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1313,16 +1313,21 @@ static void ath_start_rfkill_poll(struct ath_softc *sc)
 		wiphy_rfkill_start_polling(sc->hw->wiphy);
 }
 
+static void ath_clean_core(struct ath_softc *sc);
+static void ath9k_uninit_hw(struct ath_softc *sc);
+
 void ath_cleanup(struct ath_softc *sc)
 {
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath_common *common = ath9k_hw_common(ah);
 
-	ath_detach(sc);
+	ath_clean_core(sc);
 	free_irq(sc->irq, sc);
 	ath_bus_cleanup(common);
 	kfree(sc->sec_wiphy);
 	ieee80211_free_hw(sc->hw);
+
+	ath9k_uninit_hw(sc);
 }
 
 static void ath9k_uninit_hw(struct ath_softc *sc)
@@ -1336,7 +1341,7 @@ static void ath9k_uninit_hw(struct ath_softc *sc)
 	sc->sc_ah = NULL;
 }
 
-void ath_detach(struct ath_softc *sc)
+static void ath_clean_core(struct ath_softc *sc)
 {
 	struct ieee80211_hw *hw = sc->hw;
 	struct ath_hw *ah = sc->sc_ah;
@@ -1375,7 +1380,11 @@ void ath_detach(struct ath_softc *sc)
 	if ((sc->btcoex.no_stomp_timer) &&
 	    ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE)
 		ath_gen_timer_free(ah, sc->btcoex.no_stomp_timer);
+}
 
+void ath_detach(struct ath_softc *sc)
+{
+	ath_clean_core(sc);
 	ath9k_uninit_hw(sc);
 }
 
-- 
GitLab


From bd96d3909549a0c09388987810e3e81397b500a9 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Tue, 6 Oct 2009 21:19:10 -0400
Subject: [PATCH 0184/1815] ath9k: move ath_cleanup() below helpers to avoid
 forward declarations

This should fix the oops which occurs during module unload
due to the dereferencig of ah upon debugfs exit.

IP: [<46412d6b>] 0x46412d6b
*pde = 00000000
Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC
last sysfs file: /sys/class/power_supply/BAT0/energy_full
Modules linked in: ath9k(-) ath9k_hw mac80211 ath cfg80211 <bleh>

Pid: 3112, comm: rmmod Not tainted (2.6.32-rc2-wl #101) 9461DUU
EIP: 0060:[<46412d6b>] EFLAGS: 00010246 CPU: 0
EIP is at 0x46412d6b
EAX: f5870004 EBX: f6700d94 ECX: 00000000 EDX: c14313a7
ESI: f5870000 EDI: fb58ce70 EBP: f6661eb4 ESP: f6661ea8
DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
Process rmmod (pid: 3112, ti=f6660000 task=f6579380 task.ti=f6660000)
Stack:
fb57e5e5 f5ca5d50 fb58ce70 f6661ebc fb58629a f6661ec8 c11b715e f5ca5da8
<0> f6661ed8 c1223d98 f5ca5da8 f5ca5ddc f6661eec c1223e6f fb58ce70 fb58ce70
<0> c14958a0 f6661f00 c1222edb fb58ce70 fb58ce70 fb58cebc f6661f1c c12243c9
Call Trace:
[<fb57e5e5>] ? ath_cleanup+0x35/0x50 [ath9k]
[<fb58629a>] ? ath_pci_remove+0x1a/0x20 [ath9k]
[<c11b715e>] ? pci_device_remove+0x1e/0x40
[<c1223d98>] ? __device_release_driver+0x58/0xa0
[<c1223e6f>] ? driver_detach+0x8f/0xa0
[<c1222edb>] ? bus_remove_driver+0x7b/0xb0
[<c12243c9>] ? driver_unregister+0x49/0x80
[<c1158cf2>] ? sysfs_remove_file+0x12/0x20
[<c11b73b5>] ? pci_unregister_driver+0x35/0x90
[<fb586172>] ? ath_pci_exit+0x12/0x20 [ath9k]
[<fb5883ec>] ? ath9k_exit+0x10/0x3d [ath9k]
[<c131971d>] ? mutex_unlock+0xd/0x10
[<c1088c0f>] ? sys_delete_module+0x16f/0x220
[<c10e3d5d>] ? do_munmap+0x23d/0x290
[<c11a629c>] ? trace_hardirqs_off_thunk+0xc/0x10
[<c11a628c>] ? trace_hardirqs_on_thunk+0xc/0x10
[<c1003b41>] ? sysenter_exit+0xf/0x1a
[<c1003b08>] ? sysenter_do_call+0x12/0x3c
Code:  Bad EIP value.
EIP: [<46412d6b>] 0x46412d6b SS:ESP 0068:f6661ea8
CR2: 0000000046412d6b
---[ end trace 847f3b05ff3dcb19 ]---

Reported-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/main.c | 31 ++++++++++++---------------
 1 file changed, 14 insertions(+), 17 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 39b27805305..c541516a2e9 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1313,23 +1313,6 @@ static void ath_start_rfkill_poll(struct ath_softc *sc)
 		wiphy_rfkill_start_polling(sc->hw->wiphy);
 }
 
-static void ath_clean_core(struct ath_softc *sc);
-static void ath9k_uninit_hw(struct ath_softc *sc);
-
-void ath_cleanup(struct ath_softc *sc)
-{
-	struct ath_hw *ah = sc->sc_ah;
-	struct ath_common *common = ath9k_hw_common(ah);
-
-	ath_clean_core(sc);
-	free_irq(sc->irq, sc);
-	ath_bus_cleanup(common);
-	kfree(sc->sec_wiphy);
-	ieee80211_free_hw(sc->hw);
-
-	ath9k_uninit_hw(sc);
-}
-
 static void ath9k_uninit_hw(struct ath_softc *sc)
 {
 	struct ath_hw *ah = sc->sc_ah;
@@ -1388,6 +1371,20 @@ void ath_detach(struct ath_softc *sc)
 	ath9k_uninit_hw(sc);
 }
 
+void ath_cleanup(struct ath_softc *sc)
+{
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
+
+	ath_clean_core(sc);
+	free_irq(sc->irq, sc);
+	ath_bus_cleanup(common);
+	kfree(sc->sec_wiphy);
+	ieee80211_free_hw(sc->hw);
+
+	ath9k_uninit_hw(sc);
+}
+
 static int ath9k_reg_notifier(struct wiphy *wiphy,
 			      struct regulatory_request *request)
 {
-- 
GitLab


From 536b3a7a10c8fd39576a0602bfeca9bbd04658a6 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Tue, 6 Oct 2009 21:19:11 -0400
Subject: [PATCH 0185/1815] ath9k: rename ath_beaconq_setup() to
 ath9k_hw_beaconq_setup()

And move it to hw code on mac.c where it belongs.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/ath9k.h  |  1 -
 drivers/net/wireless/ath/ath9k/beacon.c | 12 ------------
 drivers/net/wireless/ath/ath9k/mac.c    | 13 +++++++++++++
 drivers/net/wireless/ath/ath9k/mac.h    |  1 +
 drivers/net/wireless/ath/ath9k/main.c   |  2 +-
 5 files changed, 15 insertions(+), 14 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 14ff38d1f67..13dd0202d6b 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -421,7 +421,6 @@ struct ath_beacon {
 
 void ath_beacon_tasklet(unsigned long data);
 void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif);
-int ath_beaconq_setup(struct ath_hw *ah);
 int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif);
 void ath_beacon_return(struct ath_softc *sc, struct ath_vif *avp);
 
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index 54be876639a..b10c884f293 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -242,18 +242,6 @@ static void ath_beacon_start_adhoc(struct ath_softc *sc,
 		  sc->beacon.beaconq, ito64(bf->bf_daddr), bf->bf_desc);
 }
 
-int ath_beaconq_setup(struct ath_hw *ah)
-{
-	struct ath9k_tx_queue_info qi;
-
-	memset(&qi, 0, sizeof(qi));
-	qi.tqi_aifs = 1;
-	qi.tqi_cwmin = 0;
-	qi.tqi_cwmax = 0;
-	/* NB: don't enable any interrupts */
-	return ath9k_hw_setuptxqueue(ah, ATH9K_TX_QUEUE_BEACON, &qi);
-}
-
 int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif)
 {
 	struct ath_softc *sc = aphy->sc;
diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c
index e2c1ba3ea48..46466ffebcb 100644
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -1018,3 +1018,16 @@ bool ath9k_hw_stopdmarecv(struct ath_hw *ah)
 #undef AH_RX_STOP_DMA_TIMEOUT
 }
 EXPORT_SYMBOL(ath9k_hw_stopdmarecv);
+
+int ath9k_hw_beaconq_setup(struct ath_hw *ah)
+{
+	struct ath9k_tx_queue_info qi;
+
+	memset(&qi, 0, sizeof(qi));
+	qi.tqi_aifs = 1;
+	qi.tqi_cwmin = 0;
+	qi.tqi_cwmax = 0;
+	/* NB: don't enable any interrupts */
+	return ath9k_hw_setuptxqueue(ah, ATH9K_TX_QUEUE_BEACON, &qi);
+}
+EXPORT_SYMBOL(ath9k_hw_beaconq_setup);
diff --git a/drivers/net/wireless/ath/ath9k/mac.h b/drivers/net/wireless/ath/ath9k/mac.h
index 9ab343151be..fefb65dafb1 100644
--- a/drivers/net/wireless/ath/ath9k/mac.h
+++ b/drivers/net/wireless/ath/ath9k/mac.h
@@ -667,5 +667,6 @@ void ath9k_hw_rxena(struct ath_hw *ah);
 void ath9k_hw_startpcureceive(struct ath_hw *ah);
 void ath9k_hw_stoppcurecv(struct ath_hw *ah);
 bool ath9k_hw_stopdmarecv(struct ath_hw *ah);
+int ath9k_hw_beaconq_setup(struct ath_hw *ah);
 
 #endif /* MAC_H */
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index c541516a2e9..36af6f32652 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1709,7 +1709,7 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
 	 * priority.  Note that the hal handles reseting
 	 * these queues at the needed time.
 	 */
-	sc->beacon.beaconq = ath_beaconq_setup(ah);
+	sc->beacon.beaconq = ath9k_hw_beaconq_setup(ah);
 	if (sc->beacon.beaconq == -1) {
 		ath_print(common, ATH_DBG_FATAL,
 			  "Unable to setup a beacon xmit queue\n");
-- 
GitLab


From 63f275df64dc69a46bbc21e6a68d5506d2da9c51 Mon Sep 17 00:00:00 2001
From: Amitkumar Karwar <akarwar@marvell.com>
Date: Tue, 6 Oct 2009 19:20:28 -0700
Subject: [PATCH 0186/1815] libertas: Use lbs_is_cmd_allowed() check in command
 handling routines.

lbs_is_cmd_allowed() check is added in __lbs_cmd_async() and
lbs_prepare_and_send_command(). The check is removed from other places.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/cmd.c     |  34 ++++++
 drivers/net/wireless/libertas/debugfs.c |  46 --------
 drivers/net/wireless/libertas/decl.h    |   1 -
 drivers/net/wireless/libertas/scan.c    |  11 --
 drivers/net/wireless/libertas/wext.c    | 133 ------------------------
 5 files changed, 34 insertions(+), 191 deletions(-)

diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index 3a3e8947e84..0fb312576b8 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -74,6 +74,30 @@ static u8 is_command_allowed_in_ps(u16 cmd)
 	return 0;
 }
 
+/**
+ *  @brief This function checks if the command is allowed.
+ *
+ *  @param priv         A pointer to lbs_private structure
+ *  @return             allowed or not allowed.
+ */
+
+static int lbs_is_cmd_allowed(struct lbs_private *priv)
+{
+	int ret = 1;
+
+	lbs_deb_enter(LBS_DEB_CMD);
+
+	if (!priv->is_auto_deep_sleep_enabled) {
+		if (priv->is_deep_sleep) {
+			lbs_deb_cmd("command not allowed in deep sleep\n");
+			ret = 0;
+		}
+	}
+
+	lbs_deb_leave(LBS_DEB_CMD);
+	return ret;
+}
+
 /**
  *  @brief Updates the hardware details like MAC address and regulatory region
  *
@@ -1452,6 +1476,11 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
 		goto done;
 	}
 
+	if (!lbs_is_cmd_allowed(priv)) {
+		ret = -EBUSY;
+		goto done;
+	}
+
 	cmdnode = lbs_get_cmd_ctrl_node(priv);
 
 	if (cmdnode == NULL) {
@@ -2104,6 +2133,11 @@ static struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv,
 		goto done;
 	}
 
+	if (!lbs_is_cmd_allowed(priv)) {
+		cmdnode = ERR_PTR(-EBUSY);
+		goto done;
+	}
+
 	cmdnode = lbs_get_cmd_ctrl_node(priv);
 	if (cmdnode == NULL) {
 		lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
diff --git a/drivers/net/wireless/libertas/debugfs.c b/drivers/net/wireless/libertas/debugfs.c
index 8a7e9319c9e..893a55ca344 100644
--- a/drivers/net/wireless/libertas/debugfs.c
+++ b/drivers/net/wireless/libertas/debugfs.c
@@ -117,11 +117,6 @@ static ssize_t lbs_sleepparams_write(struct file *file,
 	if (!buf)
 		return -ENOMEM;
 
-	if (!lbs_is_cmd_allowed(priv)) {
-		ret = -EBUSY;
-		goto out_unlock;
-	}
-
 	buf_size = min(count, len - 1);
 	if (copy_from_user(buf, user_buf, buf_size)) {
 		ret = -EFAULT;
@@ -162,11 +157,6 @@ static ssize_t lbs_sleepparams_read(struct file *file, char __user *userbuf,
 	if (!buf)
 		return -ENOMEM;
 
-	if (!lbs_is_cmd_allowed(priv)) {
-		ret = -EBUSY;
-		goto out_unlock;
-	}
-
 	ret = lbs_cmd_802_11_sleep_params(priv, CMD_ACT_GET, &sp);
 	if (ret)
 		goto out_unlock;
@@ -233,9 +223,6 @@ static ssize_t lbs_threshold_read(uint16_t tlv_type, uint16_t event_mask,
 	u8 freq;
 	int events = 0;
 
-	if (!lbs_is_cmd_allowed(priv))
-		return -EBUSY;
-
 	buf = (char *)get_zeroed_page(GFP_KERNEL);
 	if (!buf)
 		return -ENOMEM;
@@ -288,9 +275,6 @@ static ssize_t lbs_threshold_write(uint16_t tlv_type, uint16_t event_mask,
 	char *buf;
 	int ret;
 
-	if (!lbs_is_cmd_allowed(priv))
-		return -EBUSY;
-
 	buf = (char *)get_zeroed_page(GFP_KERNEL);
 	if (!buf)
 		return -ENOMEM;
@@ -460,11 +444,6 @@ static ssize_t lbs_rdmac_read(struct file *file, char __user *userbuf,
 	if (!buf)
 		return -ENOMEM;
 
-	if (!lbs_is_cmd_allowed(priv)) {
-		free_page(addr);
-		return -EBUSY;
-	}
-
 	offval.offset = priv->mac_offset;
 	offval.value = 0;
 
@@ -517,11 +496,6 @@ static ssize_t lbs_wrmac_write(struct file *file,
 	if (!buf)
 		return -ENOMEM;
 
-	if (!lbs_is_cmd_allowed(priv)) {
-		res = -EBUSY;
-		goto out_unlock;
-	}
-
 	buf_size = min(count, len - 1);
 	if (copy_from_user(buf, userbuf, buf_size)) {
 		res = -EFAULT;
@@ -558,11 +532,6 @@ static ssize_t lbs_rdbbp_read(struct file *file, char __user *userbuf,
 	if (!buf)
 		return -ENOMEM;
 
-	if (!lbs_is_cmd_allowed(priv)) {
-		free_page(addr);
-		return -EBUSY;
-	}
-
 	offval.offset = priv->bbp_offset;
 	offval.value = 0;
 
@@ -616,11 +585,6 @@ static ssize_t lbs_wrbbp_write(struct file *file,
 	if (!buf)
 		return -ENOMEM;
 
-	if (!lbs_is_cmd_allowed(priv)) {
-		res = -EBUSY;
-		goto out_unlock;
-	}
-
 	buf_size = min(count, len - 1);
 	if (copy_from_user(buf, userbuf, buf_size)) {
 		res = -EFAULT;
@@ -657,11 +621,6 @@ static ssize_t lbs_rdrf_read(struct file *file, char __user *userbuf,
 	if (!buf)
 		return -ENOMEM;
 
-	if (!lbs_is_cmd_allowed(priv)) {
-		free_page(addr);
-		return -EBUSY;
-	}
-
 	offval.offset = priv->rf_offset;
 	offval.value = 0;
 
@@ -715,11 +674,6 @@ static ssize_t lbs_wrrf_write(struct file *file,
 	if (!buf)
 		return -ENOMEM;
 
-	if (!lbs_is_cmd_allowed(priv)) {
-		res = -EBUSY;
-		goto out_unlock;
-	}
-
 	buf_size = min(count, len - 1);
 	if (copy_from_user(buf, userbuf, buf_size)) {
 		res = -EFAULT;
diff --git a/drivers/net/wireless/libertas/decl.h b/drivers/net/wireless/libertas/decl.h
index 44f0b248ace..fb91c3639fc 100644
--- a/drivers/net/wireless/libertas/decl.h
+++ b/drivers/net/wireless/libertas/decl.h
@@ -34,7 +34,6 @@ int lbs_process_event(struct lbs_private *priv, u32 event);
 void lbs_queue_event(struct lbs_private *priv, u32 event);
 void lbs_notify_command_response(struct lbs_private *priv, u8 resp_idx);
 int lbs_set_deep_sleep(struct lbs_private *priv, int deep_sleep);
-int lbs_is_cmd_allowed(struct lbs_private *priv);
 int lbs_enter_auto_deep_sleep(struct lbs_private *priv);
 int lbs_exit_auto_deep_sleep(struct lbs_private *priv);
 
diff --git a/drivers/net/wireless/libertas/scan.c b/drivers/net/wireless/libertas/scan.c
index e468e155e8b..6c95af3023c 100644
--- a/drivers/net/wireless/libertas/scan.c
+++ b/drivers/net/wireless/libertas/scan.c
@@ -950,11 +950,6 @@ int lbs_set_scan(struct net_device *dev, struct iw_request_info *info,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
-	if (!lbs_is_cmd_allowed(priv)) {
-		ret = -EBUSY;
-		goto out;
-	}
-
 	if (!priv->radio_on) {
 		ret = -EINVAL;
 		goto out;
@@ -1022,12 +1017,6 @@ int lbs_get_scan(struct net_device *dev, struct iw_request_info *info,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
-	if (!lbs_is_cmd_allowed(priv)) {
-		err = -EBUSY;
-		lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", err);
-		return err;
-	}
-
 	/* iwlist should wait until the current scan is finished */
 	if (priv->scan_channel)
 		return -EAGAIN;
diff --git a/drivers/net/wireless/libertas/wext.c b/drivers/net/wireless/libertas/wext.c
index 38a451edb70..69dd19bf955 100644
--- a/drivers/net/wireless/libertas/wext.c
+++ b/drivers/net/wireless/libertas/wext.c
@@ -45,32 +45,6 @@ static inline void lbs_cancel_association_work(struct lbs_private *priv)
 	priv->pending_assoc_req = NULL;
 }
 
-/**
- *  @brief This function checks if the command is allowed.
- *
- *  @param priv         A pointer to lbs_private structure
- *  @return             allowed or not allowed.
- */
-
-int lbs_is_cmd_allowed(struct lbs_private *priv)
-{
-	int         ret = 1;
-
-	lbs_deb_enter(LBS_DEB_WEXT);
-
-	if (!priv->is_auto_deep_sleep_enabled) {
-		if (priv->is_deep_sleep) {
-			lbs_deb_wext("IOCTLS called when station"
-					"is in deep sleep\n");
-			ret = 0;
-		}
-	}
-
-	lbs_deb_leave(LBS_DEB_WEXT);
-	return ret;
-}
-
-
 /**
  *  @brief Find the channel frequency power info with specific channel
  *
@@ -193,11 +167,6 @@ static int lbs_get_freq(struct net_device *dev, struct iw_request_info *info,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
-	if (!lbs_is_cmd_allowed(priv)) {
-		lbs_deb_leave(LBS_DEB_WEXT);
-		return -EBUSY;
-	}
-
 	cfp = lbs_find_cfp_by_band_and_channel(priv, 0,
 					   priv->curbssparams.channel);
 
@@ -308,12 +277,6 @@ static int lbs_set_rts(struct net_device *dev, struct iw_request_info *info,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
-	if (!lbs_is_cmd_allowed(priv)) {
-		ret = -EBUSY;
-		lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
-		return ret;
-	}
-
 	if (vwrq->disabled)
 		val = MRVDRV_RTS_MAX_VALUE;
 
@@ -335,11 +298,6 @@ static int lbs_get_rts(struct net_device *dev, struct iw_request_info *info,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
-	if (!lbs_is_cmd_allowed(priv)) {
-		ret = -EBUSY;
-		goto out;
-	}
-
 	ret = lbs_get_snmp_mib(priv, SNMP_MIB_OID_RTS_THRESHOLD, &val);
 	if (ret)
 		goto out;
@@ -362,12 +320,6 @@ static int lbs_set_frag(struct net_device *dev, struct iw_request_info *info,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
-	if (!lbs_is_cmd_allowed(priv)) {
-		ret = -EBUSY;
-		lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
-		return ret;
-	}
-
 	if (vwrq->disabled)
 		val = MRVDRV_FRAG_MAX_VALUE;
 
@@ -389,11 +341,6 @@ static int lbs_get_frag(struct net_device *dev, struct iw_request_info *info,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
-	if (!lbs_is_cmd_allowed(priv)) {
-		ret = -EBUSY;
-		goto out;
-	}
-
 	ret = lbs_get_snmp_mib(priv, SNMP_MIB_OID_FRAG_THRESHOLD, &val);
 	if (ret)
 		goto out;
@@ -443,11 +390,6 @@ static int lbs_get_txpow(struct net_device *dev,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
-	if (!lbs_is_cmd_allowed(priv)) {
-		ret = -EBUSY;
-		goto out;
-	}
-
 	if (!priv->radio_on) {
 		lbs_deb_wext("tx power off\n");
 		vwrq->value = 0;
@@ -481,11 +423,6 @@ static int lbs_set_retry(struct net_device *dev, struct iw_request_info *info,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
-	if (!lbs_is_cmd_allowed(priv)) {
-		ret = -EBUSY;
-		goto out;
-	}
-
         if ((vwrq->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
                 return -EOPNOTSUPP;
 
@@ -534,11 +471,6 @@ static int lbs_get_retry(struct net_device *dev, struct iw_request_info *info,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
-	if (!lbs_is_cmd_allowed(priv)) {
-		ret = -EBUSY;
-		goto out;
-	}
-
 	vwrq->disabled = 0;
 
 	if (vwrq->flags & IW_RETRY_LONG) {
@@ -907,9 +839,6 @@ static struct iw_statistics *lbs_get_wireless_stats(struct net_device *dev)
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
-	if (!lbs_is_cmd_allowed(priv))
-		return NULL;
-
 	priv->wstats.status = priv->mode;
 
 	/* If we're not associated, all quality values are meaningless */
@@ -1010,12 +939,6 @@ static int lbs_set_freq(struct net_device *dev, struct iw_request_info *info,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
-	if (!lbs_is_cmd_allowed(priv)) {
-		ret = -EBUSY;
-		lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
-		return ret;
-	}
-
 	mutex_lock(&priv->lock);
 	assoc_req = lbs_get_association_request(priv);
 	if (!assoc_req) {
@@ -1125,11 +1048,6 @@ static int lbs_set_rate(struct net_device *dev, struct iw_request_info *info,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
-	if (!lbs_is_cmd_allowed(priv)) {
-		ret = -EBUSY;
-		goto out;
-	}
-
 	lbs_deb_wext("vwrq->value %d\n", vwrq->value);
 	lbs_deb_wext("vwrq->fixed %d\n", vwrq->fixed);
 
@@ -1188,11 +1106,6 @@ static int lbs_get_rate(struct net_device *dev, struct iw_request_info *info,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
-	if (!lbs_is_cmd_allowed(priv)) {
-		lbs_deb_leave(LBS_DEB_WEXT);
-		return -EBUSY;
-	}
-
 	if (priv->connect_status == LBS_CONNECTED) {
 		vwrq->value = priv->cur_rate * 500000;
 
@@ -1219,11 +1132,6 @@ static int lbs_set_mode(struct net_device *dev,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
-	if (!lbs_is_cmd_allowed(priv)) {
-		ret = -EBUSY;
-		goto out;
-	}
-
 	if (   (*uwrq != IW_MODE_ADHOC)
 	    && (*uwrq != IW_MODE_INFRA)
 	    && (*uwrq != IW_MODE_AUTO)) {
@@ -1465,12 +1373,6 @@ static int lbs_set_encode(struct net_device *dev,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
-	if (!lbs_is_cmd_allowed(priv)) {
-		ret = -EBUSY;
-		lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
-		return ret;
-	}
-
 	mutex_lock(&priv->lock);
 	assoc_req = lbs_get_association_request(priv);
 	if (!assoc_req) {
@@ -1654,12 +1556,6 @@ static int lbs_set_encodeext(struct net_device *dev,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
-	if (!lbs_is_cmd_allowed(priv)) {
-		ret = -EBUSY;
-		lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
-		return ret;
-	}
-
 	mutex_lock(&priv->lock);
 	assoc_req = lbs_get_association_request(priv);
 	if (!assoc_req) {
@@ -1872,12 +1768,6 @@ static int lbs_set_auth(struct net_device *dev,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
-	if (!lbs_is_cmd_allowed(priv)) {
-		ret = -EBUSY;
-		lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
-		return ret;
-	}
-
 	mutex_lock(&priv->lock);
 	assoc_req = lbs_get_association_request(priv);
 	if (!assoc_req) {
@@ -1980,12 +1870,6 @@ static int lbs_get_auth(struct net_device *dev,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
-	if (!lbs_is_cmd_allowed(priv)) {
-		ret = -EBUSY;
-		lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
-		return ret;
-	}
-
 	switch (dwrq->flags & IW_AUTH_INDEX) {
 	case IW_AUTH_KEY_MGMT:
 		dwrq->value = priv->secinfo.key_mgmt;
@@ -2028,11 +1912,6 @@ static int lbs_set_txpow(struct net_device *dev, struct iw_request_info *info,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
-	if (!lbs_is_cmd_allowed(priv)) {
-		ret = -EBUSY;
-		goto out;
-	}
-
 	if (vwrq->disabled) {
 		lbs_set_radio(priv, RADIO_PREAMBLE_AUTO, 0);
 		goto out;
@@ -2152,12 +2031,6 @@ static int lbs_set_essid(struct net_device *dev, struct iw_request_info *info,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
-	if (!lbs_is_cmd_allowed(priv)) {
-		ret = -EBUSY;
-		lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
-		return ret;
-	}
-
 	if (!priv->radio_on) {
 		ret = -EINVAL;
 		goto out;
@@ -2285,12 +2158,6 @@ static int lbs_set_wap(struct net_device *dev, struct iw_request_info *info,
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
-	if (!lbs_is_cmd_allowed(priv)) {
-		ret = -EBUSY;
-		lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
-		return ret;
-	}
-
 	if (!priv->radio_on)
 		return -EINVAL;
 
-- 
GitLab


From 82e62926ab31d5a535f85be36d6621635ee34c3c Mon Sep 17 00:00:00 2001
From: Holger Schurig <hs4233@mail.mn-solutions.de>
Date: Wed, 7 Oct 2009 09:10:33 +0200
Subject: [PATCH 0187/1815] libertas: remove extraneous select FW_LOADER

As kindly pointed out by Andrey Yurovsky, CONFIG_LIBERTAS already
selects FW_LOADER.

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/Kconfig | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/net/wireless/libertas/Kconfig b/drivers/net/wireless/libertas/Kconfig
index 3e6c922c2f4..77aec7cd03e 100644
--- a/drivers/net/wireless/libertas/Kconfig
+++ b/drivers/net/wireless/libertas/Kconfig
@@ -17,7 +17,6 @@ config LIBERTAS_USB
 config LIBERTAS_CS
 	tristate "Marvell Libertas 8385 CompactFlash 802.11b/g cards"
 	depends on LIBERTAS && PCMCIA
-	select FW_LOADER
 	---help---
 	  A driver for Marvell Libertas 8385 CompactFlash devices.
 
-- 
GitLab


From b1c00fe3cf8f54d97d20cdf196145a106f04bd63 Mon Sep 17 00:00:00 2001
From: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Date: Mon, 5 Oct 2009 00:53:10 +0000
Subject: [PATCH 0188/1815] dccp ccid-2: Overhaul CCID naming convention 1/2

This patch starts a less problematic naming convention for CCID structs.

The old naming convention used 'hc{tx,rx}->ccid?hc{tx,rx}->...' as
recurring prefixes, which made the code
 * hard to write (not easy to fit into 80 characters);
 * hard to read  (most of the space is occupied by prefixes).

The new naming scheme:
 * struct entries for the TX socket are prefixed by 'tx_';
 * and those for the RX socket are prefixed by 'rx_'.

The identifiers then remain distinguishable when grep-ing through the tree:
 (a) RX/TX sockets are distinguished by the naming scheme,
 (b) individual CCIDs are distinguished by filename (ccid{2,3,4}.{c,h}).

This first patch implements the scheme for CCID-2.

Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/dccp/ccids/ccid2.c | 273 ++++++++++++++++++++---------------------
 net/dccp/ccids/ccid2.h |  46 +++----
 2 files changed, 158 insertions(+), 161 deletions(-)

diff --git a/net/dccp/ccids/ccid2.c b/net/dccp/ccids/ccid2.c
index e8cf99e880b..0675fd6215c 100644
--- a/net/dccp/ccids/ccid2.c
+++ b/net/dccp/ccids/ccid2.c
@@ -37,16 +37,16 @@ static void ccid2_hc_tx_check_sanity(const struct ccid2_hc_tx_sock *hctx)
 {
 	int len = 0;
 	int pipe = 0;
-	struct ccid2_seq *seqp = hctx->ccid2hctx_seqh;
+	struct ccid2_seq *seqp = hctx->tx_seqh;
 
 	/* there is data in the chain */
-	if (seqp != hctx->ccid2hctx_seqt) {
+	if (seqp != hctx->tx_seqt) {
 		seqp = seqp->ccid2s_prev;
 		len++;
 		if (!seqp->ccid2s_acked)
 			pipe++;
 
-		while (seqp != hctx->ccid2hctx_seqt) {
+		while (seqp != hctx->tx_seqt) {
 			struct ccid2_seq *prev = seqp->ccid2s_prev;
 
 			len++;
@@ -63,16 +63,16 @@ static void ccid2_hc_tx_check_sanity(const struct ccid2_hc_tx_sock *hctx)
 		}
 	}
 
-	BUG_ON(pipe != hctx->ccid2hctx_pipe);
+	BUG_ON(pipe != hctx->tx_pipe);
 	ccid2_pr_debug("len of chain=%d\n", len);
 
 	do {
 		seqp = seqp->ccid2s_prev;
 		len++;
-	} while (seqp != hctx->ccid2hctx_seqh);
+	} while (seqp != hctx->tx_seqh);
 
 	ccid2_pr_debug("total len=%d\n", len);
-	BUG_ON(len != hctx->ccid2hctx_seqbufc * CCID2_SEQBUF_LEN);
+	BUG_ON(len != hctx->tx_seqbufc * CCID2_SEQBUF_LEN);
 }
 #else
 #define ccid2_pr_debug(format, a...)
@@ -85,8 +85,8 @@ static int ccid2_hc_tx_alloc_seq(struct ccid2_hc_tx_sock *hctx)
 	int i;
 
 	/* check if we have space to preserve the pointer to the buffer */
-	if (hctx->ccid2hctx_seqbufc >= (sizeof(hctx->ccid2hctx_seqbuf) /
-					sizeof(struct ccid2_seq*)))
+	if (hctx->tx_seqbufc >= (sizeof(hctx->tx_seqbuf) /
+				 sizeof(struct ccid2_seq *)))
 		return -ENOMEM;
 
 	/* allocate buffer and initialize linked list */
@@ -102,20 +102,20 @@ static int ccid2_hc_tx_alloc_seq(struct ccid2_hc_tx_sock *hctx)
 	seqp->ccid2s_prev = &seqp[CCID2_SEQBUF_LEN - 1];
 
 	/* This is the first allocation.  Initiate the head and tail.  */
-	if (hctx->ccid2hctx_seqbufc == 0)
-		hctx->ccid2hctx_seqh = hctx->ccid2hctx_seqt = seqp;
+	if (hctx->tx_seqbufc == 0)
+		hctx->tx_seqh = hctx->tx_seqt = seqp;
 	else {
 		/* link the existing list with the one we just created */
-		hctx->ccid2hctx_seqh->ccid2s_next = seqp;
-		seqp->ccid2s_prev = hctx->ccid2hctx_seqh;
+		hctx->tx_seqh->ccid2s_next = seqp;
+		seqp->ccid2s_prev = hctx->tx_seqh;
 
-		hctx->ccid2hctx_seqt->ccid2s_prev = &seqp[CCID2_SEQBUF_LEN - 1];
-		seqp[CCID2_SEQBUF_LEN - 1].ccid2s_next = hctx->ccid2hctx_seqt;
+		hctx->tx_seqt->ccid2s_prev = &seqp[CCID2_SEQBUF_LEN - 1];
+		seqp[CCID2_SEQBUF_LEN - 1].ccid2s_next = hctx->tx_seqt;
 	}
 
 	/* store the original pointer to the buffer so we can free it */
-	hctx->ccid2hctx_seqbuf[hctx->ccid2hctx_seqbufc] = seqp;
-	hctx->ccid2hctx_seqbufc++;
+	hctx->tx_seqbuf[hctx->tx_seqbufc] = seqp;
+	hctx->tx_seqbufc++;
 
 	return 0;
 }
@@ -124,7 +124,7 @@ static int ccid2_hc_tx_send_packet(struct sock *sk, struct sk_buff *skb)
 {
 	struct ccid2_hc_tx_sock *hctx = ccid2_hc_tx_sk(sk);
 
-	if (hctx->ccid2hctx_pipe < hctx->ccid2hctx_cwnd)
+	if (hctx->tx_pipe < hctx->tx_cwnd)
 		return 0;
 
 	return 1; /* XXX CCID should dequeue when ready instead of polling */
@@ -133,7 +133,7 @@ static int ccid2_hc_tx_send_packet(struct sock *sk, struct sk_buff *skb)
 static void ccid2_change_l_ack_ratio(struct sock *sk, u32 val)
 {
 	struct dccp_sock *dp = dccp_sk(sk);
-	u32 max_ratio = DIV_ROUND_UP(ccid2_hc_tx_sk(sk)->ccid2hctx_cwnd, 2);
+	u32 max_ratio = DIV_ROUND_UP(ccid2_hc_tx_sk(sk)->tx_cwnd, 2);
 
 	/*
 	 * Ensure that Ack Ratio does not exceed ceil(cwnd/2), which is (2) from
@@ -158,7 +158,7 @@ static void ccid2_change_l_ack_ratio(struct sock *sk, u32 val)
 static void ccid2_change_srtt(struct ccid2_hc_tx_sock *hctx, long val)
 {
 	ccid2_pr_debug("change SRTT to %ld\n", val);
-	hctx->ccid2hctx_srtt = val;
+	hctx->tx_srtt = val;
 }
 
 static void ccid2_start_rto_timer(struct sock *sk);
@@ -171,8 +171,7 @@ static void ccid2_hc_tx_rto_expire(unsigned long data)
 
 	bh_lock_sock(sk);
 	if (sock_owned_by_user(sk)) {
-		sk_reset_timer(sk, &hctx->ccid2hctx_rtotimer,
-			       jiffies + HZ / 5);
+		sk_reset_timer(sk, &hctx->tx_rtotimer, jiffies + HZ / 5);
 		goto out;
 	}
 
@@ -181,28 +180,28 @@ static void ccid2_hc_tx_rto_expire(unsigned long data)
 	ccid2_hc_tx_check_sanity(hctx);
 
 	/* back-off timer */
-	hctx->ccid2hctx_rto <<= 1;
+	hctx->tx_rto <<= 1;
 
-	s = hctx->ccid2hctx_rto / HZ;
+	s = hctx->tx_rto / HZ;
 	if (s > 60)
-		hctx->ccid2hctx_rto = 60 * HZ;
+		hctx->tx_rto = 60 * HZ;
 
 	ccid2_start_rto_timer(sk);
 
 	/* adjust pipe, cwnd etc */
-	hctx->ccid2hctx_ssthresh = hctx->ccid2hctx_cwnd / 2;
-	if (hctx->ccid2hctx_ssthresh < 2)
-		hctx->ccid2hctx_ssthresh = 2;
-	hctx->ccid2hctx_cwnd	 = 1;
-	hctx->ccid2hctx_pipe	 = 0;
+	hctx->tx_ssthresh = hctx->tx_cwnd / 2;
+	if (hctx->tx_ssthresh < 2)
+		hctx->tx_ssthresh = 2;
+	hctx->tx_cwnd	 = 1;
+	hctx->tx_pipe	 = 0;
 
 	/* clear state about stuff we sent */
-	hctx->ccid2hctx_seqt = hctx->ccid2hctx_seqh;
-	hctx->ccid2hctx_packets_acked = 0;
+	hctx->tx_seqt = hctx->tx_seqh;
+	hctx->tx_packets_acked = 0;
 
 	/* clear ack ratio state. */
-	hctx->ccid2hctx_rpseq	 = 0;
-	hctx->ccid2hctx_rpdupack = -1;
+	hctx->tx_rpseq    = 0;
+	hctx->tx_rpdupack = -1;
 	ccid2_change_l_ack_ratio(sk, 1);
 	ccid2_hc_tx_check_sanity(hctx);
 out:
@@ -214,11 +213,10 @@ static void ccid2_start_rto_timer(struct sock *sk)
 {
 	struct ccid2_hc_tx_sock *hctx = ccid2_hc_tx_sk(sk);
 
-	ccid2_pr_debug("setting RTO timeout=%ld\n", hctx->ccid2hctx_rto);
+	ccid2_pr_debug("setting RTO timeout=%ld\n", hctx->tx_rto);
 
-	BUG_ON(timer_pending(&hctx->ccid2hctx_rtotimer));
-	sk_reset_timer(sk, &hctx->ccid2hctx_rtotimer,
-		       jiffies + hctx->ccid2hctx_rto);
+	BUG_ON(timer_pending(&hctx->tx_rtotimer));
+	sk_reset_timer(sk, &hctx->tx_rtotimer, jiffies + hctx->tx_rto);
 }
 
 static void ccid2_hc_tx_packet_sent(struct sock *sk, int more, unsigned int len)
@@ -227,27 +225,26 @@ static void ccid2_hc_tx_packet_sent(struct sock *sk, int more, unsigned int len)
 	struct ccid2_hc_tx_sock *hctx = ccid2_hc_tx_sk(sk);
 	struct ccid2_seq *next;
 
-	hctx->ccid2hctx_pipe++;
+	hctx->tx_pipe++;
 
-	hctx->ccid2hctx_seqh->ccid2s_seq   = dp->dccps_gss;
-	hctx->ccid2hctx_seqh->ccid2s_acked = 0;
-	hctx->ccid2hctx_seqh->ccid2s_sent  = jiffies;
+	hctx->tx_seqh->ccid2s_seq   = dp->dccps_gss;
+	hctx->tx_seqh->ccid2s_acked = 0;
+	hctx->tx_seqh->ccid2s_sent  = jiffies;
 
-	next = hctx->ccid2hctx_seqh->ccid2s_next;
+	next = hctx->tx_seqh->ccid2s_next;
 	/* check if we need to alloc more space */
-	if (next == hctx->ccid2hctx_seqt) {
+	if (next == hctx->tx_seqt) {
 		if (ccid2_hc_tx_alloc_seq(hctx)) {
 			DCCP_CRIT("packet history - out of memory!");
 			/* FIXME: find a more graceful way to bail out */
 			return;
 		}
-		next = hctx->ccid2hctx_seqh->ccid2s_next;
-		BUG_ON(next == hctx->ccid2hctx_seqt);
+		next = hctx->tx_seqh->ccid2s_next;
+		BUG_ON(next == hctx->tx_seqt);
 	}
-	hctx->ccid2hctx_seqh = next;
+	hctx->tx_seqh = next;
 
-	ccid2_pr_debug("cwnd=%d pipe=%d\n", hctx->ccid2hctx_cwnd,
-		       hctx->ccid2hctx_pipe);
+	ccid2_pr_debug("cwnd=%d pipe=%d\n", hctx->tx_cwnd, hctx->tx_pipe);
 
 	/*
 	 * FIXME: The code below is broken and the variables have been removed
@@ -270,12 +267,12 @@ static void ccid2_hc_tx_packet_sent(struct sock *sk, int more, unsigned int len)
 	 */
 #if 0
 	/* Ack Ratio.  Need to maintain a concept of how many windows we sent */
-	hctx->ccid2hctx_arsent++;
+	hctx->tx_arsent++;
 	/* We had an ack loss in this window... */
-	if (hctx->ccid2hctx_ackloss) {
-		if (hctx->ccid2hctx_arsent >= hctx->ccid2hctx_cwnd) {
-			hctx->ccid2hctx_arsent	= 0;
-			hctx->ccid2hctx_ackloss	= 0;
+	if (hctx->tx_ackloss) {
+		if (hctx->tx_arsent >= hctx->tx_cwnd) {
+			hctx->tx_arsent  = 0;
+			hctx->tx_ackloss = 0;
 		}
 	} else {
 		/* No acks lost up to now... */
@@ -285,28 +282,28 @@ static void ccid2_hc_tx_packet_sent(struct sock *sk, int more, unsigned int len)
 			int denom = dp->dccps_l_ack_ratio * dp->dccps_l_ack_ratio -
 				    dp->dccps_l_ack_ratio;
 
-			denom = hctx->ccid2hctx_cwnd * hctx->ccid2hctx_cwnd / denom;
+			denom = hctx->tx_cwnd * hctx->tx_cwnd / denom;
 
-			if (hctx->ccid2hctx_arsent >= denom) {
+			if (hctx->tx_arsent >= denom) {
 				ccid2_change_l_ack_ratio(sk, dp->dccps_l_ack_ratio - 1);
-				hctx->ccid2hctx_arsent = 0;
+				hctx->tx_arsent = 0;
 			}
 		} else {
 			/* we can't increase ack ratio further [1] */
-			hctx->ccid2hctx_arsent = 0; /* or maybe set it to cwnd*/
+			hctx->tx_arsent = 0; /* or maybe set it to cwnd*/
 		}
 	}
 #endif
 
 	/* setup RTO timer */
-	if (!timer_pending(&hctx->ccid2hctx_rtotimer))
+	if (!timer_pending(&hctx->tx_rtotimer))
 		ccid2_start_rto_timer(sk);
 
 #ifdef CONFIG_IP_DCCP_CCID2_DEBUG
 	do {
-		struct ccid2_seq *seqp = hctx->ccid2hctx_seqt;
+		struct ccid2_seq *seqp = hctx->tx_seqt;
 
-		while (seqp != hctx->ccid2hctx_seqh) {
+		while (seqp != hctx->tx_seqh) {
 			ccid2_pr_debug("out seq=%llu acked=%d time=%lu\n",
 				       (unsigned long long)seqp->ccid2s_seq,
 				       seqp->ccid2s_acked, seqp->ccid2s_sent);
@@ -384,7 +381,7 @@ static void ccid2_hc_tx_kill_rto_timer(struct sock *sk)
 {
 	struct ccid2_hc_tx_sock *hctx = ccid2_hc_tx_sk(sk);
 
-	sk_stop_timer(sk, &hctx->ccid2hctx_rtotimer);
+	sk_stop_timer(sk, &hctx->tx_rtotimer);
 	ccid2_pr_debug("deleted RTO timer\n");
 }
 
@@ -394,73 +391,73 @@ static inline void ccid2_new_ack(struct sock *sk,
 {
 	struct ccid2_hc_tx_sock *hctx = ccid2_hc_tx_sk(sk);
 
-	if (hctx->ccid2hctx_cwnd < hctx->ccid2hctx_ssthresh) {
-		if (*maxincr > 0 && ++hctx->ccid2hctx_packets_acked == 2) {
-			hctx->ccid2hctx_cwnd += 1;
-			*maxincr	     -= 1;
-			hctx->ccid2hctx_packets_acked = 0;
+	if (hctx->tx_cwnd < hctx->tx_ssthresh) {
+		if (*maxincr > 0 && ++hctx->tx_packets_acked == 2) {
+			hctx->tx_cwnd += 1;
+			*maxincr      -= 1;
+			hctx->tx_packets_acked = 0;
 		}
-	} else if (++hctx->ccid2hctx_packets_acked >= hctx->ccid2hctx_cwnd) {
-			hctx->ccid2hctx_cwnd += 1;
-			hctx->ccid2hctx_packets_acked = 0;
+	} else if (++hctx->tx_packets_acked >= hctx->tx_cwnd) {
+			hctx->tx_cwnd += 1;
+			hctx->tx_packets_acked = 0;
 	}
 
 	/* update RTO */
-	if (hctx->ccid2hctx_srtt == -1 ||
-	    time_after(jiffies, hctx->ccid2hctx_lastrtt + hctx->ccid2hctx_srtt)) {
+	if (hctx->tx_srtt == -1 ||
+	    time_after(jiffies, hctx->tx_lastrtt + hctx->tx_srtt)) {
 		unsigned long r = (long)jiffies - (long)seqp->ccid2s_sent;
 		int s;
 
 		/* first measurement */
-		if (hctx->ccid2hctx_srtt == -1) {
+		if (hctx->tx_srtt == -1) {
 			ccid2_pr_debug("R: %lu Time=%lu seq=%llu\n",
 				       r, jiffies,
 				       (unsigned long long)seqp->ccid2s_seq);
 			ccid2_change_srtt(hctx, r);
-			hctx->ccid2hctx_rttvar = r >> 1;
+			hctx->tx_rttvar = r >> 1;
 		} else {
 			/* RTTVAR */
-			long tmp = hctx->ccid2hctx_srtt - r;
+			long tmp = hctx->tx_srtt - r;
 			long srtt;
 
 			if (tmp < 0)
 				tmp *= -1;
 
 			tmp >>= 2;
-			hctx->ccid2hctx_rttvar *= 3;
-			hctx->ccid2hctx_rttvar >>= 2;
-			hctx->ccid2hctx_rttvar += tmp;
+			hctx->tx_rttvar *= 3;
+			hctx->tx_rttvar >>= 2;
+			hctx->tx_rttvar += tmp;
 
 			/* SRTT */
-			srtt = hctx->ccid2hctx_srtt;
+			srtt = hctx->tx_srtt;
 			srtt *= 7;
 			srtt >>= 3;
 			tmp = r >> 3;
 			srtt += tmp;
 			ccid2_change_srtt(hctx, srtt);
 		}
-		s = hctx->ccid2hctx_rttvar << 2;
+		s = hctx->tx_rttvar << 2;
 		/* clock granularity is 1 when based on jiffies */
 		if (!s)
 			s = 1;
-		hctx->ccid2hctx_rto = hctx->ccid2hctx_srtt + s;
+		hctx->tx_rto = hctx->tx_srtt + s;
 
 		/* must be at least a second */
-		s = hctx->ccid2hctx_rto / HZ;
+		s = hctx->tx_rto / HZ;
 		/* DCCP doesn't require this [but I like it cuz my code sux] */
 #if 1
 		if (s < 1)
-			hctx->ccid2hctx_rto = HZ;
+			hctx->tx_rto = HZ;
 #endif
 		/* max 60 seconds */
 		if (s > 60)
-			hctx->ccid2hctx_rto = HZ * 60;
+			hctx->tx_rto = HZ * 60;
 
-		hctx->ccid2hctx_lastrtt = jiffies;
+		hctx->tx_lastrtt = jiffies;
 
 		ccid2_pr_debug("srtt: %ld rttvar: %ld rto: %ld (HZ=%d) R=%lu\n",
-			       hctx->ccid2hctx_srtt, hctx->ccid2hctx_rttvar,
-			       hctx->ccid2hctx_rto, HZ, r);
+			       hctx->tx_srtt, hctx->tx_rttvar,
+			       hctx->tx_rto, HZ, r);
 	}
 
 	/* we got a new ack, so re-start RTO timer */
@@ -472,12 +469,12 @@ static void ccid2_hc_tx_dec_pipe(struct sock *sk)
 {
 	struct ccid2_hc_tx_sock *hctx = ccid2_hc_tx_sk(sk);
 
-	if (hctx->ccid2hctx_pipe == 0)
+	if (hctx->tx_pipe == 0)
 		DCCP_BUG("pipe == 0");
 	else
-		hctx->ccid2hctx_pipe--;
+		hctx->tx_pipe--;
 
-	if (hctx->ccid2hctx_pipe == 0)
+	if (hctx->tx_pipe == 0)
 		ccid2_hc_tx_kill_rto_timer(sk);
 }
 
@@ -485,19 +482,19 @@ static void ccid2_congestion_event(struct sock *sk, struct ccid2_seq *seqp)
 {
 	struct ccid2_hc_tx_sock *hctx = ccid2_hc_tx_sk(sk);
 
-	if (time_before(seqp->ccid2s_sent, hctx->ccid2hctx_last_cong)) {
+	if (time_before(seqp->ccid2s_sent, hctx->tx_last_cong)) {
 		ccid2_pr_debug("Multiple losses in an RTT---treating as one\n");
 		return;
 	}
 
-	hctx->ccid2hctx_last_cong = jiffies;
+	hctx->tx_last_cong = jiffies;
 
-	hctx->ccid2hctx_cwnd     = hctx->ccid2hctx_cwnd / 2 ? : 1U;
-	hctx->ccid2hctx_ssthresh = max(hctx->ccid2hctx_cwnd, 2U);
+	hctx->tx_cwnd     = hctx->tx_cwnd / 2 ? : 1U;
+	hctx->tx_ssthresh = max(hctx->tx_cwnd, 2U);
 
 	/* Avoid spurious timeouts resulting from Ack Ratio > cwnd */
-	if (dccp_sk(sk)->dccps_l_ack_ratio > hctx->ccid2hctx_cwnd)
-		ccid2_change_l_ack_ratio(sk, hctx->ccid2hctx_cwnd);
+	if (dccp_sk(sk)->dccps_l_ack_ratio > hctx->tx_cwnd)
+		ccid2_change_l_ack_ratio(sk, hctx->tx_cwnd);
 }
 
 static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
@@ -521,21 +518,21 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
 	 * -sorbo.
 	 */
 	/* need to bootstrap */
-	if (hctx->ccid2hctx_rpdupack == -1) {
-		hctx->ccid2hctx_rpdupack = 0;
-		hctx->ccid2hctx_rpseq = seqno;
+	if (hctx->tx_rpdupack == -1) {
+		hctx->tx_rpdupack = 0;
+		hctx->tx_rpseq    = seqno;
 	} else {
 		/* check if packet is consecutive */
-		if (dccp_delta_seqno(hctx->ccid2hctx_rpseq, seqno) == 1)
-			hctx->ccid2hctx_rpseq = seqno;
+		if (dccp_delta_seqno(hctx->tx_rpseq, seqno) == 1)
+			hctx->tx_rpseq = seqno;
 		/* it's a later packet */
-		else if (after48(seqno, hctx->ccid2hctx_rpseq)) {
-			hctx->ccid2hctx_rpdupack++;
+		else if (after48(seqno, hctx->tx_rpseq)) {
+			hctx->tx_rpdupack++;
 
 			/* check if we got enough dupacks */
-			if (hctx->ccid2hctx_rpdupack >= NUMDUPACK) {
-				hctx->ccid2hctx_rpdupack = -1; /* XXX lame */
-				hctx->ccid2hctx_rpseq = 0;
+			if (hctx->tx_rpdupack >= NUMDUPACK) {
+				hctx->tx_rpdupack = -1; /* XXX lame */
+				hctx->tx_rpseq    = 0;
 
 				ccid2_change_l_ack_ratio(sk, 2 * dp->dccps_l_ack_ratio);
 			}
@@ -544,7 +541,7 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
 
 	/* check forward path congestion */
 	/* still didn't send out new data packets */
-	if (hctx->ccid2hctx_seqh == hctx->ccid2hctx_seqt)
+	if (hctx->tx_seqh == hctx->tx_seqt)
 		return;
 
 	switch (DCCP_SKB_CB(skb)->dccpd_type) {
@@ -556,14 +553,14 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
 	}
 
 	ackno = DCCP_SKB_CB(skb)->dccpd_ack_seq;
-	if (after48(ackno, hctx->ccid2hctx_high_ack))
-		hctx->ccid2hctx_high_ack = ackno;
+	if (after48(ackno, hctx->tx_high_ack))
+		hctx->tx_high_ack = ackno;
 
-	seqp = hctx->ccid2hctx_seqt;
+	seqp = hctx->tx_seqt;
 	while (before48(seqp->ccid2s_seq, ackno)) {
 		seqp = seqp->ccid2s_next;
-		if (seqp == hctx->ccid2hctx_seqh) {
-			seqp = hctx->ccid2hctx_seqh->ccid2s_prev;
+		if (seqp == hctx->tx_seqh) {
+			seqp = hctx->tx_seqh->ccid2s_prev;
 			break;
 		}
 	}
@@ -573,7 +570,7 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
 	 * packets per acknowledgement. Rounding up avoids that cwnd is not
 	 * advanced when Ack Ratio is 1 and gives a slight edge otherwise.
 	 */
-	if (hctx->ccid2hctx_cwnd < hctx->ccid2hctx_ssthresh)
+	if (hctx->tx_cwnd < hctx->tx_ssthresh)
 		maxincr = DIV_ROUND_UP(dp->dccps_l_ack_ratio, 2);
 
 	/* go through all ack vectors */
@@ -592,7 +589,7 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
 			 * seqnos.
 			 */
 			while (after48(seqp->ccid2s_seq, ackno)) {
-				if (seqp == hctx->ccid2hctx_seqt) {
+				if (seqp == hctx->tx_seqt) {
 					done = 1;
 					break;
 				}
@@ -624,7 +621,7 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
 						       (unsigned long long)seqp->ccid2s_seq);
 					ccid2_hc_tx_dec_pipe(sk);
 				}
-				if (seqp == hctx->ccid2hctx_seqt) {
+				if (seqp == hctx->tx_seqt) {
 					done = 1;
 					break;
 				}
@@ -643,11 +640,11 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
 	/* The state about what is acked should be correct now
 	 * Check for NUMDUPACK
 	 */
-	seqp = hctx->ccid2hctx_seqt;
-	while (before48(seqp->ccid2s_seq, hctx->ccid2hctx_high_ack)) {
+	seqp = hctx->tx_seqt;
+	while (before48(seqp->ccid2s_seq, hctx->tx_high_ack)) {
 		seqp = seqp->ccid2s_next;
-		if (seqp == hctx->ccid2hctx_seqh) {
-			seqp = hctx->ccid2hctx_seqh->ccid2s_prev;
+		if (seqp == hctx->tx_seqh) {
+			seqp = hctx->tx_seqh->ccid2s_prev;
 			break;
 		}
 	}
@@ -658,7 +655,7 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
 			if (done == NUMDUPACK)
 				break;
 		}
-		if (seqp == hctx->ccid2hctx_seqt)
+		if (seqp == hctx->tx_seqt)
 			break;
 		seqp = seqp->ccid2s_prev;
 	}
@@ -681,20 +678,20 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
 				ccid2_congestion_event(sk, seqp);
 				ccid2_hc_tx_dec_pipe(sk);
 			}
-			if (seqp == hctx->ccid2hctx_seqt)
+			if (seqp == hctx->tx_seqt)
 				break;
 			seqp = seqp->ccid2s_prev;
 		}
 
-		hctx->ccid2hctx_seqt = last_acked;
+		hctx->tx_seqt = last_acked;
 	}
 
 	/* trim acked packets in tail */
-	while (hctx->ccid2hctx_seqt != hctx->ccid2hctx_seqh) {
-		if (!hctx->ccid2hctx_seqt->ccid2s_acked)
+	while (hctx->tx_seqt != hctx->tx_seqh) {
+		if (!hctx->tx_seqt->ccid2s_acked)
 			break;
 
-		hctx->ccid2hctx_seqt = hctx->ccid2hctx_seqt->ccid2s_next;
+		hctx->tx_seqt = hctx->tx_seqt->ccid2s_next;
 	}
 
 	ccid2_hc_tx_check_sanity(hctx);
@@ -707,17 +704,17 @@ static int ccid2_hc_tx_init(struct ccid *ccid, struct sock *sk)
 	u32 max_ratio;
 
 	/* RFC 4341, 5: initialise ssthresh to arbitrarily high (max) value */
-	hctx->ccid2hctx_ssthresh  = ~0U;
+	hctx->tx_ssthresh = ~0U;
 
 	/*
 	 * RFC 4341, 5: "The cwnd parameter is initialized to at most four
 	 * packets for new connections, following the rules from [RFC3390]".
 	 * We need to convert the bytes of RFC3390 into the packets of RFC 4341.
 	 */
-	hctx->ccid2hctx_cwnd = clamp(4380U / dp->dccps_mss_cache, 2U, 4U);
+	hctx->tx_cwnd = clamp(4380U / dp->dccps_mss_cache, 2U, 4U);
 
 	/* Make sure that Ack Ratio is enabled and within bounds. */
-	max_ratio = DIV_ROUND_UP(hctx->ccid2hctx_cwnd, 2);
+	max_ratio = DIV_ROUND_UP(hctx->tx_cwnd, 2);
 	if (dp->dccps_l_ack_ratio == 0 || dp->dccps_l_ack_ratio > max_ratio)
 		dp->dccps_l_ack_ratio = max_ratio;
 
@@ -725,12 +722,12 @@ static int ccid2_hc_tx_init(struct ccid *ccid, struct sock *sk)
 	if (ccid2_hc_tx_alloc_seq(hctx))
 		return -ENOMEM;
 
-	hctx->ccid2hctx_rto	 = 3 * HZ;
+	hctx->tx_rto	   = 3 * HZ;
 	ccid2_change_srtt(hctx, -1);
-	hctx->ccid2hctx_rttvar	 = -1;
-	hctx->ccid2hctx_rpdupack = -1;
-	hctx->ccid2hctx_last_cong = jiffies;
-	setup_timer(&hctx->ccid2hctx_rtotimer, ccid2_hc_tx_rto_expire,
+	hctx->tx_rttvar	   = -1;
+	hctx->tx_rpdupack  = -1;
+	hctx->tx_last_cong = jiffies;
+	setup_timer(&hctx->tx_rtotimer, ccid2_hc_tx_rto_expire,
 			(unsigned long)sk);
 
 	ccid2_hc_tx_check_sanity(hctx);
@@ -744,9 +741,9 @@ static void ccid2_hc_tx_exit(struct sock *sk)
 
 	ccid2_hc_tx_kill_rto_timer(sk);
 
-	for (i = 0; i < hctx->ccid2hctx_seqbufc; i++)
-		kfree(hctx->ccid2hctx_seqbuf[i]);
-	hctx->ccid2hctx_seqbufc = 0;
+	for (i = 0; i < hctx->tx_seqbufc; i++)
+		kfree(hctx->tx_seqbuf[i]);
+	hctx->tx_seqbufc = 0;
 }
 
 static void ccid2_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
@@ -757,10 +754,10 @@ static void ccid2_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
 	switch (DCCP_SKB_CB(skb)->dccpd_type) {
 	case DCCP_PKT_DATA:
 	case DCCP_PKT_DATAACK:
-		hcrx->ccid2hcrx_data++;
-		if (hcrx->ccid2hcrx_data >= dp->dccps_r_ack_ratio) {
+		hcrx->rx_data++;
+		if (hcrx->rx_data >= dp->dccps_r_ack_ratio) {
 			dccp_send_ack(sk);
-			hcrx->ccid2hcrx_data = 0;
+			hcrx->rx_data = 0;
 		}
 		break;
 	}
diff --git a/net/dccp/ccids/ccid2.h b/net/dccp/ccids/ccid2.h
index 326ac90fb90..1ec6a30103b 100644
--- a/net/dccp/ccids/ccid2.h
+++ b/net/dccp/ccids/ccid2.h
@@ -40,34 +40,34 @@ struct ccid2_seq {
 
 /**
  * struct ccid2_hc_tx_sock - CCID2 TX half connection
- * @ccid2hctx_{cwnd,ssthresh,pipe}: as per RFC 4341, section 5
- * @ccid2hctx_packets_acked - Ack counter for deriving cwnd growth (RFC 3465)
- * @ccid2hctx_lastrtt -time RTT was last measured
- * @ccid2hctx_rpseq - last consecutive seqno
- * @ccid2hctx_rpdupack - dupacks since rpseq
+ * @tx_{cwnd,ssthresh,pipe}: as per RFC 4341, section 5
+ * @tx_packets_acked:	     Ack counter for deriving cwnd growth (RFC 3465)
+ * @tx_lastrtt:		     time RTT was last measured
+ * @tx_rpseq:		     last consecutive seqno
+ * @tx_rpdupack:	     dupacks since rpseq
  */
 struct ccid2_hc_tx_sock {
-	u32			ccid2hctx_cwnd;
-	u32			ccid2hctx_ssthresh;
-	u32			ccid2hctx_pipe;
-	u32			ccid2hctx_packets_acked;
-	struct ccid2_seq	*ccid2hctx_seqbuf[CCID2_SEQBUF_MAX];
-	int			ccid2hctx_seqbufc;
-	struct ccid2_seq	*ccid2hctx_seqh;
-	struct ccid2_seq	*ccid2hctx_seqt;
-	long			ccid2hctx_rto;
-	long			ccid2hctx_srtt;
-	long			ccid2hctx_rttvar;
-	unsigned long		ccid2hctx_lastrtt;
-	struct timer_list	ccid2hctx_rtotimer;
-	u64			ccid2hctx_rpseq;
-	int			ccid2hctx_rpdupack;
-	unsigned long		ccid2hctx_last_cong;
-	u64			ccid2hctx_high_ack;
+	u32			tx_cwnd;
+	u32			tx_ssthresh;
+	u32			tx_pipe;
+	u32			tx_packets_acked;
+	struct ccid2_seq	*tx_seqbuf[CCID2_SEQBUF_MAX];
+	int			tx_seqbufc;
+	struct ccid2_seq	*tx_seqh;
+	struct ccid2_seq	*tx_seqt;
+	long			tx_rto;
+	long			tx_srtt;
+	long			tx_rttvar;
+	unsigned long		tx_lastrtt;
+	struct timer_list	tx_rtotimer;
+	u64			tx_rpseq;
+	int			tx_rpdupack;
+	unsigned long		tx_last_cong;
+	u64			tx_high_ack;
 };
 
 struct ccid2_hc_rx_sock {
-	int	ccid2hcrx_data;
+	int	rx_data;
 };
 
 static inline struct ccid2_hc_tx_sock *ccid2_hc_tx_sk(const struct sock *sk)
-- 
GitLab


From 388d5e9905dd80648fff5ccaefdd8c0fcedb3eae Mon Sep 17 00:00:00 2001
From: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Date: Mon, 5 Oct 2009 00:53:11 +0000
Subject: [PATCH 0189/1815] dccp ccid-3: Overhaul CCID naming convention 2/2

This implements the new naming scheme also for CCID-3.

Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/dccp/ccids/ccid3.c | 321 +++++++++++++++++++----------------------
 net/dccp/ccids/ccid3.h | 120 +++++++--------
 net/dccp/probe.c       |  10 +-
 3 files changed, 213 insertions(+), 238 deletions(-)

diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c
index 34dcc798c45..6b8d67ba7fe 100644
--- a/net/dccp/ccids/ccid3.c
+++ b/net/dccp/ccids/ccid3.c
@@ -65,13 +65,13 @@ static void ccid3_hc_tx_set_state(struct sock *sk,
 				  enum ccid3_hc_tx_states state)
 {
 	struct ccid3_hc_tx_sock *hctx = ccid3_hc_tx_sk(sk);
-	enum ccid3_hc_tx_states oldstate = hctx->ccid3hctx_state;
+	enum ccid3_hc_tx_states oldstate = hctx->tx_state;
 
 	ccid3_pr_debug("%s(%p) %-8.8s -> %s\n",
 		       dccp_role(sk), sk, ccid3_tx_state_name(oldstate),
 		       ccid3_tx_state_name(state));
 	WARN_ON(state == oldstate);
-	hctx->ccid3hctx_state = state;
+	hctx->tx_state = state;
 }
 
 /*
@@ -86,10 +86,9 @@ static void ccid3_hc_tx_set_state(struct sock *sk,
 static inline u64 rfc3390_initial_rate(struct sock *sk)
 {
 	const struct ccid3_hc_tx_sock *hctx = ccid3_hc_tx_sk(sk);
-	const __u32 w_init = clamp_t(__u32, 4380U,
-			2 * hctx->ccid3hctx_s, 4 * hctx->ccid3hctx_s);
+	const __u32 w_init = clamp_t(__u32, 4380U, 2 * hctx->tx_s, 4 * hctx->tx_s);
 
-	return scaled_div(w_init << 6, hctx->ccid3hctx_rtt);
+	return scaled_div(w_init << 6, hctx->tx_rtt);
 }
 
 /*
@@ -98,24 +97,20 @@ static inline u64 rfc3390_initial_rate(struct sock *sk)
 static void ccid3_update_send_interval(struct ccid3_hc_tx_sock *hctx)
 {
 	/* Calculate new t_ipi = s / X_inst (X_inst is in 64 * bytes/second) */
-	hctx->ccid3hctx_t_ipi = scaled_div32(((u64)hctx->ccid3hctx_s) << 6,
-					     hctx->ccid3hctx_x);
+	hctx->tx_t_ipi = scaled_div32(((u64)hctx->tx_s) << 6, hctx->tx_x);
 
 	/* Calculate new delta by delta = min(t_ipi / 2, t_gran / 2) */
-	hctx->ccid3hctx_delta = min_t(u32, hctx->ccid3hctx_t_ipi / 2,
-					   TFRC_OPSYS_HALF_TIME_GRAN);
-
-	ccid3_pr_debug("t_ipi=%u, delta=%u, s=%u, X=%u\n",
-		       hctx->ccid3hctx_t_ipi, hctx->ccid3hctx_delta,
-		       hctx->ccid3hctx_s, (unsigned)(hctx->ccid3hctx_x >> 6));
+	hctx->tx_delta = min_t(u32, hctx->tx_t_ipi / 2, TFRC_OPSYS_HALF_TIME_GRAN);
 
+	ccid3_pr_debug("t_ipi=%u, delta=%u, s=%u, X=%u\n", hctx->tx_t_ipi,
+		       hctx->tx_delta, hctx->tx_s, (unsigned)(hctx->tx_x >> 6));
 }
 
 static u32 ccid3_hc_tx_idle_rtt(struct ccid3_hc_tx_sock *hctx, ktime_t now)
 {
-	u32 delta = ktime_us_delta(now, hctx->ccid3hctx_t_last_win_count);
+	u32 delta = ktime_us_delta(now, hctx->tx_t_last_win_count);
 
-	return delta / hctx->ccid3hctx_rtt;
+	return delta / hctx->tx_rtt;
 }
 
 /**
@@ -131,8 +126,8 @@ static u32 ccid3_hc_tx_idle_rtt(struct ccid3_hc_tx_sock *hctx, ktime_t now)
 static void ccid3_hc_tx_update_x(struct sock *sk, ktime_t *stamp)
 {
 	struct ccid3_hc_tx_sock *hctx = ccid3_hc_tx_sk(sk);
-	__u64 min_rate = 2 * hctx->ccid3hctx_x_recv;
-	const  __u64 old_x = hctx->ccid3hctx_x;
+	__u64 min_rate = 2 * hctx->tx_x_recv;
+	const __u64 old_x = hctx->tx_x;
 	ktime_t now = stamp ? *stamp : ktime_get_real();
 
 	/*
@@ -143,33 +138,27 @@ static void ccid3_hc_tx_update_x(struct sock *sk, ktime_t *stamp)
 	 */
 	if (ccid3_hc_tx_idle_rtt(hctx, now) >= 2) {
 		min_rate = rfc3390_initial_rate(sk);
-		min_rate = max(min_rate, 2 * hctx->ccid3hctx_x_recv);
+		min_rate = max(min_rate, 2 * hctx->tx_x_recv);
 	}
 
-	if (hctx->ccid3hctx_p > 0) {
+	if (hctx->tx_p > 0) {
 
-		hctx->ccid3hctx_x = min(((__u64)hctx->ccid3hctx_x_calc) << 6,
-					min_rate);
-		hctx->ccid3hctx_x = max(hctx->ccid3hctx_x,
-					(((__u64)hctx->ccid3hctx_s) << 6) /
-								TFRC_T_MBI);
+		hctx->tx_x = min(((__u64)hctx->tx_x_calc) << 6, min_rate);
+		hctx->tx_x = max(hctx->tx_x, (((__u64)hctx->tx_s) << 6) / TFRC_T_MBI);
 
-	} else if (ktime_us_delta(now, hctx->ccid3hctx_t_ld)
-				- (s64)hctx->ccid3hctx_rtt >= 0) {
+	} else if (ktime_us_delta(now, hctx->tx_t_ld) - (s64)hctx->tx_rtt >= 0) {
 
-		hctx->ccid3hctx_x = min(2 * hctx->ccid3hctx_x, min_rate);
-		hctx->ccid3hctx_x = max(hctx->ccid3hctx_x,
-			    scaled_div(((__u64)hctx->ccid3hctx_s) << 6,
-				       hctx->ccid3hctx_rtt));
-		hctx->ccid3hctx_t_ld = now;
+		hctx->tx_x = min(2 * hctx->tx_x, min_rate);
+		hctx->tx_x = max(hctx->tx_x, scaled_div(((__u64)hctx->tx_s) << 6,
+							hctx->tx_rtt));
+		hctx->tx_t_ld = now;
 	}
 
-	if (hctx->ccid3hctx_x != old_x) {
+	if (hctx->tx_x != old_x) {
 		ccid3_pr_debug("X_prev=%u, X_now=%u, X_calc=%u, "
 			       "X_recv=%u\n", (unsigned)(old_x >> 6),
-			       (unsigned)(hctx->ccid3hctx_x >> 6),
-			       hctx->ccid3hctx_x_calc,
-			       (unsigned)(hctx->ccid3hctx_x_recv >> 6));
+			       (unsigned)(hctx->tx_x >> 6), hctx->tx_x_calc,
+			       (unsigned)(hctx->tx_x_recv >> 6));
 
 		ccid3_update_send_interval(hctx);
 	}
@@ -181,11 +170,11 @@ static void ccid3_hc_tx_update_x(struct sock *sk, ktime_t *stamp)
  */
 static inline void ccid3_hc_tx_update_s(struct ccid3_hc_tx_sock *hctx, int len)
 {
-	const u16 old_s = hctx->ccid3hctx_s;
+	const u16 old_s = hctx->tx_s;
 
-	hctx->ccid3hctx_s = tfrc_ewma(hctx->ccid3hctx_s, len, 9);
+	hctx->tx_s = tfrc_ewma(hctx->tx_s, len, 9);
 
-	if (hctx->ccid3hctx_s != old_s)
+	if (hctx->tx_s != old_s)
 		ccid3_update_send_interval(hctx);
 }
 
@@ -196,13 +185,13 @@ static inline void ccid3_hc_tx_update_s(struct ccid3_hc_tx_sock *hctx, int len)
 static inline void ccid3_hc_tx_update_win_count(struct ccid3_hc_tx_sock *hctx,
 						ktime_t now)
 {
-	u32 delta = ktime_us_delta(now, hctx->ccid3hctx_t_last_win_count),
-	    quarter_rtts = (4 * delta) / hctx->ccid3hctx_rtt;
+	u32 delta = ktime_us_delta(now, hctx->tx_t_last_win_count),
+	    quarter_rtts = (4 * delta) / hctx->tx_rtt;
 
 	if (quarter_rtts > 0) {
-		hctx->ccid3hctx_t_last_win_count = now;
-		hctx->ccid3hctx_last_win_count  += min(quarter_rtts, 5U);
-		hctx->ccid3hctx_last_win_count	&= 0xF;		/* mod 16 */
+		hctx->tx_t_last_win_count = now;
+		hctx->tx_last_win_count  += min(quarter_rtts, 5U);
+		hctx->tx_last_win_count	 &= 0xF;		/* mod 16 */
 	}
 }
 
@@ -220,23 +209,22 @@ static void ccid3_hc_tx_no_feedback_timer(unsigned long data)
 	}
 
 	ccid3_pr_debug("%s(%p, state=%s) - entry \n", dccp_role(sk), sk,
-		       ccid3_tx_state_name(hctx->ccid3hctx_state));
+		       ccid3_tx_state_name(hctx->tx_state));
 
-	if (hctx->ccid3hctx_state == TFRC_SSTATE_FBACK)
+	if (hctx->tx_state == TFRC_SSTATE_FBACK)
 		ccid3_hc_tx_set_state(sk, TFRC_SSTATE_NO_FBACK);
-	else if (hctx->ccid3hctx_state != TFRC_SSTATE_NO_FBACK)
+	else if (hctx->tx_state != TFRC_SSTATE_NO_FBACK)
 		goto out;
 
 	/*
 	 * Determine new allowed sending rate X as per draft rfc3448bis-00, 4.4
 	 */
-	if (hctx->ccid3hctx_t_rto == 0 ||	/* no feedback received yet */
-	    hctx->ccid3hctx_p == 0) {
+	if (hctx->tx_t_rto == 0 ||	/* no feedback received yet */
+	    hctx->tx_p == 0) {
 
 		/* halve send rate directly */
-		hctx->ccid3hctx_x = max(hctx->ccid3hctx_x / 2,
-					(((__u64)hctx->ccid3hctx_s) << 6) /
-								    TFRC_T_MBI);
+		hctx->tx_x = max(hctx->tx_x / 2,
+				 (((__u64)hctx->tx_s) << 6) / TFRC_T_MBI);
 		ccid3_update_send_interval(hctx);
 	} else {
 		/*
@@ -249,33 +237,33 @@ static void ccid3_hc_tx_no_feedback_timer(unsigned long data)
 		 *
 		 *  Note that X_recv is scaled by 2^6 while X_calc is not
 		 */
-		BUG_ON(hctx->ccid3hctx_p && !hctx->ccid3hctx_x_calc);
+		BUG_ON(hctx->tx_p && !hctx->tx_x_calc);
 
-		if (hctx->ccid3hctx_x_calc > (hctx->ccid3hctx_x_recv >> 5))
-			hctx->ccid3hctx_x_recv =
-				max(hctx->ccid3hctx_x_recv / 2,
-				    (((__u64)hctx->ccid3hctx_s) << 6) /
+		if (hctx->tx_x_calc > (hctx->tx_x_recv >> 5))
+			hctx->tx_x_recv =
+				max(hctx->tx_x_recv / 2,
+				    (((__u64)hctx->tx_s) << 6) /
 							      (2 * TFRC_T_MBI));
 		else {
-			hctx->ccid3hctx_x_recv = hctx->ccid3hctx_x_calc;
-			hctx->ccid3hctx_x_recv <<= 4;
+			hctx->tx_x_recv = hctx->tx_x_calc;
+			hctx->tx_x_recv <<= 4;
 		}
 		ccid3_hc_tx_update_x(sk, NULL);
 	}
 	ccid3_pr_debug("Reduced X to %llu/64 bytes/sec\n",
-			(unsigned long long)hctx->ccid3hctx_x);
+			(unsigned long long)hctx->tx_x);
 
 	/*
 	 * Set new timeout for the nofeedback timer.
 	 * See comments in packet_recv() regarding the value of t_RTO.
 	 */
-	if (unlikely(hctx->ccid3hctx_t_rto == 0))	/* no feedback yet */
+	if (unlikely(hctx->tx_t_rto == 0))	/* no feedback yet */
 		t_nfb = TFRC_INITIAL_TIMEOUT;
 	else
-		t_nfb = max(hctx->ccid3hctx_t_rto, 2 * hctx->ccid3hctx_t_ipi);
+		t_nfb = max(hctx->tx_t_rto, 2 * hctx->tx_t_ipi);
 
 restart_timer:
-	sk_reset_timer(sk, &hctx->ccid3hctx_no_feedback_timer,
+	sk_reset_timer(sk, &hctx->tx_no_feedback_timer,
 			   jiffies + usecs_to_jiffies(t_nfb));
 out:
 	bh_unlock_sock(sk);
@@ -303,18 +291,17 @@ static int ccid3_hc_tx_send_packet(struct sock *sk, struct sk_buff *skb)
 	if (unlikely(skb->len == 0))
 		return -EBADMSG;
 
-	switch (hctx->ccid3hctx_state) {
+	switch (hctx->tx_state) {
 	case TFRC_SSTATE_NO_SENT:
-		sk_reset_timer(sk, &hctx->ccid3hctx_no_feedback_timer,
-			       (jiffies +
+		sk_reset_timer(sk, &hctx->tx_no_feedback_timer, (jiffies +
 				usecs_to_jiffies(TFRC_INITIAL_TIMEOUT)));
-		hctx->ccid3hctx_last_win_count	 = 0;
-		hctx->ccid3hctx_t_last_win_count = now;
+		hctx->tx_last_win_count	  = 0;
+		hctx->tx_t_last_win_count = now;
 
 		/* Set t_0 for initial packet */
-		hctx->ccid3hctx_t_nom = now;
+		hctx->tx_t_nom = now;
 
-		hctx->ccid3hctx_s = skb->len;
+		hctx->tx_s = skb->len;
 
 		/*
 		 * Use initial RTT sample when available: recommended by erratum
@@ -323,9 +310,9 @@ static int ccid3_hc_tx_send_packet(struct sock *sk, struct sk_buff *skb)
 		 */
 		if (dp->dccps_syn_rtt) {
 			ccid3_pr_debug("SYN RTT = %uus\n", dp->dccps_syn_rtt);
-			hctx->ccid3hctx_rtt  = dp->dccps_syn_rtt;
-			hctx->ccid3hctx_x    = rfc3390_initial_rate(sk);
-			hctx->ccid3hctx_t_ld = now;
+			hctx->tx_rtt  = dp->dccps_syn_rtt;
+			hctx->tx_x    = rfc3390_initial_rate(sk);
+			hctx->tx_t_ld = now;
 		} else {
 			/*
 			 * Sender does not have RTT sample:
@@ -333,9 +320,9 @@ static int ccid3_hc_tx_send_packet(struct sock *sk, struct sk_buff *skb)
 			 *   is needed in several parts (e.g.  window counter);
 			 * - set sending rate X_pps = 1pps as per RFC 3448, 4.2.
 			 */
-			hctx->ccid3hctx_rtt = DCCP_FALLBACK_RTT;
-			hctx->ccid3hctx_x   = hctx->ccid3hctx_s;
-			hctx->ccid3hctx_x <<= 6;
+			hctx->tx_rtt = DCCP_FALLBACK_RTT;
+			hctx->tx_x   = hctx->tx_s;
+			hctx->tx_x <<= 6;
 		}
 		ccid3_update_send_interval(hctx);
 
@@ -343,7 +330,7 @@ static int ccid3_hc_tx_send_packet(struct sock *sk, struct sk_buff *skb)
 		break;
 	case TFRC_SSTATE_NO_FBACK:
 	case TFRC_SSTATE_FBACK:
-		delay = ktime_us_delta(hctx->ccid3hctx_t_nom, now);
+		delay = ktime_us_delta(hctx->tx_t_nom, now);
 		ccid3_pr_debug("delay=%ld\n", (long)delay);
 		/*
 		 *	Scheduling of packet transmissions [RFC 3448, 4.6]
@@ -353,7 +340,7 @@ static int ccid3_hc_tx_send_packet(struct sock *sk, struct sk_buff *skb)
 		 * else
 		 *       // send the packet in (t_nom - t_now) milliseconds.
 		 */
-		if (delay - (s64)hctx->ccid3hctx_delta >= 1000)
+		if (delay - (s64)hctx->tx_delta >= 1000)
 			return (u32)delay / 1000L;
 
 		ccid3_hc_tx_update_win_count(hctx, now);
@@ -365,11 +352,10 @@ static int ccid3_hc_tx_send_packet(struct sock *sk, struct sk_buff *skb)
 
 	/* prepare to send now (add options etc.) */
 	dp->dccps_hc_tx_insert_options = 1;
-	DCCP_SKB_CB(skb)->dccpd_ccval = hctx->ccid3hctx_last_win_count;
+	DCCP_SKB_CB(skb)->dccpd_ccval = hctx->tx_last_win_count;
 
 	/* set the nominal send time for the next following packet */
-	hctx->ccid3hctx_t_nom = ktime_add_us(hctx->ccid3hctx_t_nom,
-					     hctx->ccid3hctx_t_ipi);
+	hctx->tx_t_nom = ktime_add_us(hctx->tx_t_nom, hctx->tx_t_ipi);
 	return 0;
 }
 
@@ -380,7 +366,7 @@ static void ccid3_hc_tx_packet_sent(struct sock *sk, int more,
 
 	ccid3_hc_tx_update_s(hctx, len);
 
-	if (tfrc_tx_hist_add(&hctx->ccid3hctx_hist, dccp_sk(sk)->dccps_gss))
+	if (tfrc_tx_hist_add(&hctx->tx_hist, dccp_sk(sk)->dccps_gss))
 		DCCP_CRIT("packet history - out of memory!");
 }
 
@@ -397,15 +383,15 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
 	      DCCP_SKB_CB(skb)->dccpd_type == DCCP_PKT_DATAACK))
 		return;
 	/* ... and only in the established state */
-	if (hctx->ccid3hctx_state != TFRC_SSTATE_FBACK &&
-	    hctx->ccid3hctx_state != TFRC_SSTATE_NO_FBACK)
+	if (hctx->tx_state != TFRC_SSTATE_FBACK &&
+	    hctx->tx_state != TFRC_SSTATE_NO_FBACK)
 		return;
 
-	opt_recv = &hctx->ccid3hctx_options_received;
+	opt_recv = &hctx->tx_options_received;
 	now = ktime_get_real();
 
 	/* Estimate RTT from history if ACK number is valid */
-	r_sample = tfrc_tx_hist_rtt(hctx->ccid3hctx_hist,
+	r_sample = tfrc_tx_hist_rtt(hctx->tx_hist,
 				    DCCP_SKB_CB(skb)->dccpd_ack_seq, now);
 	if (r_sample == 0) {
 		DCCP_WARN("%s(%p): %s with bogus ACK-%llu\n", dccp_role(sk), sk,
@@ -415,37 +401,37 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
 	}
 
 	/* Update receive rate in units of 64 * bytes/second */
-	hctx->ccid3hctx_x_recv = opt_recv->ccid3or_receive_rate;
-	hctx->ccid3hctx_x_recv <<= 6;
+	hctx->tx_x_recv = opt_recv->ccid3or_receive_rate;
+	hctx->tx_x_recv <<= 6;
 
 	/* Update loss event rate (which is scaled by 1e6) */
 	pinv = opt_recv->ccid3or_loss_event_rate;
 	if (pinv == ~0U || pinv == 0)	       /* see RFC 4342, 8.5   */
-		hctx->ccid3hctx_p = 0;
+		hctx->tx_p = 0;
 	else				       /* can not exceed 100% */
-		hctx->ccid3hctx_p = scaled_div(1, pinv);
+		hctx->tx_p = scaled_div(1, pinv);
 	/*
 	 * Validate new RTT sample and update moving average
 	 */
 	r_sample = dccp_sample_rtt(sk, r_sample);
-	hctx->ccid3hctx_rtt = tfrc_ewma(hctx->ccid3hctx_rtt, r_sample, 9);
+	hctx->tx_rtt = tfrc_ewma(hctx->tx_rtt, r_sample, 9);
 	/*
 	 * Update allowed sending rate X as per draft rfc3448bis-00, 4.2/3
 	 */
-	if (hctx->ccid3hctx_state == TFRC_SSTATE_NO_FBACK) {
+	if (hctx->tx_state == TFRC_SSTATE_NO_FBACK) {
 		ccid3_hc_tx_set_state(sk, TFRC_SSTATE_FBACK);
 
-		if (hctx->ccid3hctx_t_rto == 0) {
+		if (hctx->tx_t_rto == 0) {
 			/*
 			 * Initial feedback packet: Larger Initial Windows (4.2)
 			 */
-			hctx->ccid3hctx_x    = rfc3390_initial_rate(sk);
-			hctx->ccid3hctx_t_ld = now;
+			hctx->tx_x    = rfc3390_initial_rate(sk);
+			hctx->tx_t_ld = now;
 
 			ccid3_update_send_interval(hctx);
 
 			goto done_computing_x;
-		} else if (hctx->ccid3hctx_p == 0) {
+		} else if (hctx->tx_p == 0) {
 			/*
 			 * First feedback after nofeedback timer expiry (4.3)
 			 */
@@ -454,25 +440,20 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
 	}
 
 	/* Update sending rate (step 4 of [RFC 3448, 4.3]) */
-	if (hctx->ccid3hctx_p > 0)
-		hctx->ccid3hctx_x_calc =
-				tfrc_calc_x(hctx->ccid3hctx_s,
-					    hctx->ccid3hctx_rtt,
-					    hctx->ccid3hctx_p);
+	if (hctx->tx_p > 0)
+		hctx->tx_x_calc = tfrc_calc_x(hctx->tx_s, hctx->tx_rtt, hctx->tx_p);
 	ccid3_hc_tx_update_x(sk, &now);
 
 done_computing_x:
 	ccid3_pr_debug("%s(%p), RTT=%uus (sample=%uus), s=%u, "
 			       "p=%u, X_calc=%u, X_recv=%u, X=%u\n",
-			       dccp_role(sk),
-			       sk, hctx->ccid3hctx_rtt, r_sample,
-			       hctx->ccid3hctx_s, hctx->ccid3hctx_p,
-			       hctx->ccid3hctx_x_calc,
-			       (unsigned)(hctx->ccid3hctx_x_recv >> 6),
-			       (unsigned)(hctx->ccid3hctx_x >> 6));
+			       dccp_role(sk), sk, hctx->tx_rtt, r_sample,
+			       hctx->tx_s, hctx->tx_p, hctx->tx_x_calc,
+			       (unsigned)(hctx->tx_x_recv >> 6),
+			       (unsigned)(hctx->tx_x >> 6));
 
 	/* unschedule no feedback timer */
-	sk_stop_timer(sk, &hctx->ccid3hctx_no_feedback_timer);
+	sk_stop_timer(sk, &hctx->tx_no_feedback_timer);
 
 	/*
 	 * As we have calculated new ipi, delta, t_nom it is possible
@@ -486,21 +467,19 @@ done_computing_x:
 	 * This can help avoid triggering the nofeedback timer too
 	 * often ('spinning') on LANs with small RTTs.
 	 */
-	hctx->ccid3hctx_t_rto = max_t(u32, 4 * hctx->ccid3hctx_rtt,
-					   (CONFIG_IP_DCCP_CCID3_RTO *
-					    (USEC_PER_SEC / 1000)));
+	hctx->tx_t_rto = max_t(u32, 4 * hctx->tx_rtt, (CONFIG_IP_DCCP_CCID3_RTO *
+						       (USEC_PER_SEC / 1000)));
 	/*
 	 * Schedule no feedback timer to expire in
 	 * max(t_RTO, 2 * s/X)  =  max(t_RTO, 2 * t_ipi)
 	 */
-	t_nfb = max(hctx->ccid3hctx_t_rto, 2 * hctx->ccid3hctx_t_ipi);
+	t_nfb = max(hctx->tx_t_rto, 2 * hctx->tx_t_ipi);
 
 	ccid3_pr_debug("%s(%p), Scheduled no feedback timer to "
 		       "expire in %lu jiffies (%luus)\n",
-		       dccp_role(sk),
-		       sk, usecs_to_jiffies(t_nfb), t_nfb);
+		       dccp_role(sk), sk, usecs_to_jiffies(t_nfb), t_nfb);
 
-	sk_reset_timer(sk, &hctx->ccid3hctx_no_feedback_timer,
+	sk_reset_timer(sk, &hctx->tx_no_feedback_timer,
 			   jiffies + usecs_to_jiffies(t_nfb));
 }
 
@@ -514,7 +493,7 @@ static int ccid3_hc_tx_parse_options(struct sock *sk, unsigned char option,
 	struct ccid3_options_received *opt_recv;
 	__be32 opt_val;
 
-	opt_recv = &hctx->ccid3hctx_options_received;
+	opt_recv = &hctx->tx_options_received;
 
 	if (opt_recv->ccid3or_seqno != dp->dccps_gsr) {
 		opt_recv->ccid3or_seqno		     = dp->dccps_gsr;
@@ -570,11 +549,10 @@ static int ccid3_hc_tx_init(struct ccid *ccid, struct sock *sk)
 {
 	struct ccid3_hc_tx_sock *hctx = ccid_priv(ccid);
 
-	hctx->ccid3hctx_state = TFRC_SSTATE_NO_SENT;
-	hctx->ccid3hctx_hist = NULL;
-	setup_timer(&hctx->ccid3hctx_no_feedback_timer,
+	hctx->tx_state = TFRC_SSTATE_NO_SENT;
+	hctx->tx_hist  = NULL;
+	setup_timer(&hctx->tx_no_feedback_timer,
 			ccid3_hc_tx_no_feedback_timer, (unsigned long)sk);
-
 	return 0;
 }
 
@@ -583,9 +561,9 @@ static void ccid3_hc_tx_exit(struct sock *sk)
 	struct ccid3_hc_tx_sock *hctx = ccid3_hc_tx_sk(sk);
 
 	ccid3_hc_tx_set_state(sk, TFRC_SSTATE_TERM);
-	sk_stop_timer(sk, &hctx->ccid3hctx_no_feedback_timer);
+	sk_stop_timer(sk, &hctx->tx_no_feedback_timer);
 
-	tfrc_tx_hist_purge(&hctx->ccid3hctx_hist);
+	tfrc_tx_hist_purge(&hctx->tx_hist);
 }
 
 static void ccid3_hc_tx_get_info(struct sock *sk, struct tcp_info *info)
@@ -597,8 +575,8 @@ static void ccid3_hc_tx_get_info(struct sock *sk, struct tcp_info *info)
 		return;
 
 	hctx = ccid3_hc_tx_sk(sk);
-	info->tcpi_rto = hctx->ccid3hctx_t_rto;
-	info->tcpi_rtt = hctx->ccid3hctx_rtt;
+	info->tcpi_rto = hctx->tx_t_rto;
+	info->tcpi_rtt = hctx->tx_rtt;
 }
 
 static int ccid3_hc_tx_getsockopt(struct sock *sk, const int optname, int len,
@@ -614,10 +592,10 @@ static int ccid3_hc_tx_getsockopt(struct sock *sk, const int optname, int len,
 	hctx = ccid3_hc_tx_sk(sk);
 	switch (optname) {
 	case DCCP_SOCKOPT_CCID_TX_INFO:
-		if (len < sizeof(hctx->ccid3hctx_tfrc))
+		if (len < sizeof(hctx->tx_tfrc))
 			return -EINVAL;
-		len = sizeof(hctx->ccid3hctx_tfrc);
-		val = &hctx->ccid3hctx_tfrc;
+		len = sizeof(hctx->tx_tfrc);
+		val = &hctx->tx_tfrc;
 		break;
 	default:
 		return -ENOPROTOOPT;
@@ -658,13 +636,13 @@ static void ccid3_hc_rx_set_state(struct sock *sk,
 				  enum ccid3_hc_rx_states state)
 {
 	struct ccid3_hc_rx_sock *hcrx = ccid3_hc_rx_sk(sk);
-	enum ccid3_hc_rx_states oldstate = hcrx->ccid3hcrx_state;
+	enum ccid3_hc_rx_states oldstate = hcrx->rx_state;
 
 	ccid3_pr_debug("%s(%p) %-8.8s -> %s\n",
 		       dccp_role(sk), sk, ccid3_rx_state_name(oldstate),
 		       ccid3_rx_state_name(state));
 	WARN_ON(state == oldstate);
-	hcrx->ccid3hcrx_state = state;
+	hcrx->rx_state = state;
 }
 
 static void ccid3_hc_rx_send_feedback(struct sock *sk,
@@ -676,15 +654,15 @@ static void ccid3_hc_rx_send_feedback(struct sock *sk,
 	ktime_t now;
 	s64 delta = 0;
 
-	if (unlikely(hcrx->ccid3hcrx_state == TFRC_RSTATE_TERM))
+	if (unlikely(hcrx->rx_state == TFRC_RSTATE_TERM))
 		return;
 
 	now = ktime_get_real();
 
 	switch (fbtype) {
 	case CCID3_FBACK_INITIAL:
-		hcrx->ccid3hcrx_x_recv = 0;
-		hcrx->ccid3hcrx_pinv   = ~0U;   /* see RFC 4342, 8.5 */
+		hcrx->rx_x_recv = 0;
+		hcrx->rx_pinv   = ~0U;   /* see RFC 4342, 8.5 */
 		break;
 	case CCID3_FBACK_PARAM_CHANGE:
 		/*
@@ -697,27 +675,26 @@ static void ccid3_hc_rx_send_feedback(struct sock *sk,
 		 * the number of bytes since last feedback.
 		 * This is a safe fallback, since X is bounded above by X_calc.
 		 */
-		if (hcrx->ccid3hcrx_x_recv > 0)
+		if (hcrx->rx_x_recv > 0)
 			break;
 		/* fall through */
 	case CCID3_FBACK_PERIODIC:
-		delta = ktime_us_delta(now, hcrx->ccid3hcrx_tstamp_last_feedback);
+		delta = ktime_us_delta(now, hcrx->rx_tstamp_last_feedback);
 		if (delta <= 0)
 			DCCP_BUG("delta (%ld) <= 0", (long)delta);
 		else
-			hcrx->ccid3hcrx_x_recv =
-				scaled_div32(hcrx->ccid3hcrx_bytes_recv, delta);
+			hcrx->rx_x_recv = scaled_div32(hcrx->rx_bytes_recv, delta);
 		break;
 	default:
 		return;
 	}
 
 	ccid3_pr_debug("Interval %ldusec, X_recv=%u, 1/p=%u\n", (long)delta,
-		       hcrx->ccid3hcrx_x_recv, hcrx->ccid3hcrx_pinv);
+		       hcrx->rx_x_recv, hcrx->rx_pinv);
 
-	hcrx->ccid3hcrx_tstamp_last_feedback = now;
-	hcrx->ccid3hcrx_last_counter	     = dccp_hdr(skb)->dccph_ccval;
-	hcrx->ccid3hcrx_bytes_recv	     = 0;
+	hcrx->rx_tstamp_last_feedback = now;
+	hcrx->rx_last_counter	      = dccp_hdr(skb)->dccph_ccval;
+	hcrx->rx_bytes_recv	      = 0;
 
 	dp->dccps_hc_rx_insert_options = 1;
 	dccp_send_ack(sk);
@@ -736,8 +713,8 @@ static int ccid3_hc_rx_insert_options(struct sock *sk, struct sk_buff *skb)
 	if (dccp_packet_without_ack(skb))
 		return 0;
 
-	x_recv = htonl(hcrx->ccid3hcrx_x_recv);
-	pinv   = htonl(hcrx->ccid3hcrx_pinv);
+	x_recv = htonl(hcrx->rx_x_recv);
+	pinv   = htonl(hcrx->rx_pinv);
 
 	if (dccp_insert_option(sk, skb, TFRC_OPT_LOSS_EVENT_RATE,
 			       &pinv, sizeof(pinv)) ||
@@ -764,22 +741,22 @@ static u32 ccid3_first_li(struct sock *sk)
 	u32 x_recv, p, delta;
 	u64 fval;
 
-	if (hcrx->ccid3hcrx_rtt == 0) {
+	if (hcrx->rx_rtt == 0) {
 		DCCP_WARN("No RTT estimate available, using fallback RTT\n");
-		hcrx->ccid3hcrx_rtt = DCCP_FALLBACK_RTT;
+		hcrx->rx_rtt = DCCP_FALLBACK_RTT;
 	}
 
-	delta = ktime_to_us(net_timedelta(hcrx->ccid3hcrx_tstamp_last_feedback));
-	x_recv = scaled_div32(hcrx->ccid3hcrx_bytes_recv, delta);
+	delta  = ktime_to_us(net_timedelta(hcrx->rx_tstamp_last_feedback));
+	x_recv = scaled_div32(hcrx->rx_bytes_recv, delta);
 	if (x_recv == 0) {		/* would also trigger divide-by-zero */
 		DCCP_WARN("X_recv==0\n");
-		if ((x_recv = hcrx->ccid3hcrx_x_recv) == 0) {
+		if ((x_recv = hcrx->rx_x_recv) == 0) {
 			DCCP_BUG("stored value of X_recv is zero");
 			return ~0U;
 		}
 	}
 
-	fval = scaled_div(hcrx->ccid3hcrx_s, hcrx->ccid3hcrx_rtt);
+	fval = scaled_div(hcrx->rx_s, hcrx->rx_rtt);
 	fval = scaled_div32(fval, x_recv);
 	p = tfrc_calc_x_reverse_lookup(fval);
 
@@ -796,14 +773,14 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
 	const u64 ndp = dccp_sk(sk)->dccps_options_received.dccpor_ndp;
 	const bool is_data_packet = dccp_data_packet(skb);
 
-	if (unlikely(hcrx->ccid3hcrx_state == TFRC_RSTATE_NO_DATA)) {
+	if (unlikely(hcrx->rx_state == TFRC_RSTATE_NO_DATA)) {
 		if (is_data_packet) {
 			const u32 payload = skb->len - dccp_hdr(skb)->dccph_doff * 4;
 			do_feedback = CCID3_FBACK_INITIAL;
 			ccid3_hc_rx_set_state(sk, TFRC_RSTATE_DATA);
-			hcrx->ccid3hcrx_s = payload;
+			hcrx->rx_s  = payload;
 			/*
-			 * Not necessary to update ccid3hcrx_bytes_recv here,
+			 * Not necessary to update rx_bytes_recv here,
 			 * since X_recv = 0 for the first feedback packet (cf.
 			 * RFC 3448, 6.3) -- gerrit
 			 */
@@ -811,7 +788,7 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
 		goto update_records;
 	}
 
-	if (tfrc_rx_hist_duplicate(&hcrx->ccid3hcrx_hist, skb))
+	if (tfrc_rx_hist_duplicate(&hcrx->rx_hist, skb))
 		return; /* done receiving */
 
 	if (is_data_packet) {
@@ -819,20 +796,20 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
 		/*
 		 * Update moving-average of s and the sum of received payload bytes
 		 */
-		hcrx->ccid3hcrx_s = tfrc_ewma(hcrx->ccid3hcrx_s, payload, 9);
-		hcrx->ccid3hcrx_bytes_recv += payload;
+		hcrx->rx_s = tfrc_ewma(hcrx->rx_s, payload, 9);
+		hcrx->rx_bytes_recv += payload;
 	}
 
 	/*
 	 * Perform loss detection and handle pending losses
 	 */
-	if (tfrc_rx_handle_loss(&hcrx->ccid3hcrx_hist, &hcrx->ccid3hcrx_li_hist,
+	if (tfrc_rx_handle_loss(&hcrx->rx_hist, &hcrx->rx_li_hist,
 				skb, ndp, ccid3_first_li, sk)) {
 		do_feedback = CCID3_FBACK_PARAM_CHANGE;
 		goto done_receiving;
 	}
 
-	if (tfrc_rx_hist_loss_pending(&hcrx->ccid3hcrx_hist))
+	if (tfrc_rx_hist_loss_pending(&hcrx->rx_hist))
 		return; /* done receiving */
 
 	/*
@@ -841,17 +818,17 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
 	if (unlikely(!is_data_packet))
 		goto update_records;
 
-	if (!tfrc_lh_is_initialised(&hcrx->ccid3hcrx_li_hist)) {
-		const u32 sample = tfrc_rx_hist_sample_rtt(&hcrx->ccid3hcrx_hist, skb);
+	if (!tfrc_lh_is_initialised(&hcrx->rx_li_hist)) {
+		const u32 sample = tfrc_rx_hist_sample_rtt(&hcrx->rx_hist, skb);
 		/*
 		 * Empty loss history: no loss so far, hence p stays 0.
 		 * Sample RTT values, since an RTT estimate is required for the
 		 * computation of p when the first loss occurs; RFC 3448, 6.3.1.
 		 */
 		if (sample != 0)
-			hcrx->ccid3hcrx_rtt = tfrc_ewma(hcrx->ccid3hcrx_rtt, sample, 9);
+			hcrx->rx_rtt = tfrc_ewma(hcrx->rx_rtt, sample, 9);
 
-	} else if (tfrc_lh_update_i_mean(&hcrx->ccid3hcrx_li_hist, skb)) {
+	} else if (tfrc_lh_update_i_mean(&hcrx->rx_li_hist, skb)) {
 		/*
 		 * Step (3) of [RFC 3448, 6.1]: Recompute I_mean and, if I_mean
 		 * has decreased (resp. p has increased), send feedback now.
@@ -862,11 +839,11 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
 	/*
 	 * Check if the periodic once-per-RTT feedback is due; RFC 4342, 10.3
 	 */
-	if (SUB16(dccp_hdr(skb)->dccph_ccval, hcrx->ccid3hcrx_last_counter) > 3)
+	if (SUB16(dccp_hdr(skb)->dccph_ccval, hcrx->rx_last_counter) > 3)
 		do_feedback = CCID3_FBACK_PERIODIC;
 
 update_records:
-	tfrc_rx_hist_add_packet(&hcrx->ccid3hcrx_hist, skb, ndp);
+	tfrc_rx_hist_add_packet(&hcrx->rx_hist, skb, ndp);
 
 done_receiving:
 	if (do_feedback)
@@ -877,9 +854,9 @@ static int ccid3_hc_rx_init(struct ccid *ccid, struct sock *sk)
 {
 	struct ccid3_hc_rx_sock *hcrx = ccid_priv(ccid);
 
-	hcrx->ccid3hcrx_state = TFRC_RSTATE_NO_DATA;
-	tfrc_lh_init(&hcrx->ccid3hcrx_li_hist);
-	return tfrc_rx_hist_alloc(&hcrx->ccid3hcrx_hist);
+	hcrx->rx_state = TFRC_RSTATE_NO_DATA;
+	tfrc_lh_init(&hcrx->rx_li_hist);
+	return tfrc_rx_hist_alloc(&hcrx->rx_hist);
 }
 
 static void ccid3_hc_rx_exit(struct sock *sk)
@@ -888,8 +865,8 @@ static void ccid3_hc_rx_exit(struct sock *sk)
 
 	ccid3_hc_rx_set_state(sk, TFRC_RSTATE_TERM);
 
-	tfrc_rx_hist_purge(&hcrx->ccid3hcrx_hist);
-	tfrc_lh_cleanup(&hcrx->ccid3hcrx_li_hist);
+	tfrc_rx_hist_purge(&hcrx->rx_hist);
+	tfrc_lh_cleanup(&hcrx->rx_li_hist);
 }
 
 static void ccid3_hc_rx_get_info(struct sock *sk, struct tcp_info *info)
@@ -901,9 +878,9 @@ static void ccid3_hc_rx_get_info(struct sock *sk, struct tcp_info *info)
 		return;
 
 	hcrx = ccid3_hc_rx_sk(sk);
-	info->tcpi_ca_state = hcrx->ccid3hcrx_state;
+	info->tcpi_ca_state = hcrx->rx_state;
 	info->tcpi_options  |= TCPI_OPT_TIMESTAMPS;
-	info->tcpi_rcv_rtt  = hcrx->ccid3hcrx_rtt;
+	info->tcpi_rcv_rtt  = hcrx->rx_rtt;
 }
 
 static int ccid3_hc_rx_getsockopt(struct sock *sk, const int optname, int len,
@@ -922,10 +899,10 @@ static int ccid3_hc_rx_getsockopt(struct sock *sk, const int optname, int len,
 	case DCCP_SOCKOPT_CCID_RX_INFO:
 		if (len < sizeof(rx_info))
 			return -EINVAL;
-		rx_info.tfrcrx_x_recv = hcrx->ccid3hcrx_x_recv;
-		rx_info.tfrcrx_rtt    = hcrx->ccid3hcrx_rtt;
-		rx_info.tfrcrx_p      = hcrx->ccid3hcrx_pinv == 0 ? ~0U :
-					   scaled_div(1, hcrx->ccid3hcrx_pinv);
+		rx_info.tfrcrx_x_recv = hcrx->rx_x_recv;
+		rx_info.tfrcrx_rtt    = hcrx->rx_rtt;
+		rx_info.tfrcrx_p      = hcrx->rx_pinv == 0 ? ~0U :
+					   scaled_div(1, hcrx->rx_pinv);
 		len = sizeof(rx_info);
 		val = &rx_info;
 		break;
diff --git a/net/dccp/ccids/ccid3.h b/net/dccp/ccids/ccid3.h
index e5a24414384..03263577665 100644
--- a/net/dccp/ccids/ccid3.h
+++ b/net/dccp/ccids/ccid3.h
@@ -75,44 +75,44 @@ enum ccid3_hc_tx_states {
 
 /**
  * struct ccid3_hc_tx_sock - CCID3 sender half-connection socket
- * @ccid3hctx_x - Current sending rate in 64 * bytes per second
- * @ccid3hctx_x_recv - Receive rate    in 64 * bytes per second
- * @ccid3hctx_x_calc - Calculated rate in bytes per second
- * @ccid3hctx_rtt - Estimate of current round trip time in usecs
- * @ccid3hctx_p - Current loss event rate (0-1) scaled by 1000000
- * @ccid3hctx_s - Packet size in bytes
- * @ccid3hctx_t_rto - Nofeedback Timer setting in usecs
- * @ccid3hctx_t_ipi - Interpacket (send) interval (RFC 3448, 4.6) in usecs
- * @ccid3hctx_state - Sender state, one of %ccid3_hc_tx_states
- * @ccid3hctx_last_win_count - Last window counter sent
- * @ccid3hctx_t_last_win_count - Timestamp of earliest packet
- *				 with last_win_count value sent
- * @ccid3hctx_no_feedback_timer - Handle to no feedback timer
- * @ccid3hctx_t_ld - Time last doubled during slow start
- * @ccid3hctx_t_nom - Nominal send time of next packet
- * @ccid3hctx_delta - Send timer delta (RFC 3448, 4.6) in usecs
- * @ccid3hctx_hist - Packet history
- * @ccid3hctx_options_received - Parsed set of retrieved options
+ * @tx_x:		  Current sending rate in 64 * bytes per second
+ * @tx_x_recv:		  Receive rate in 64 * bytes per second
+ * @tx_x_calc:		  Calculated rate in bytes per second
+ * @tx_rtt:		  Estimate of current round trip time in usecs
+ * @tx_p:		  Current loss event rate (0-1) scaled by 1000000
+ * @tx_s:		  Packet size in bytes
+ * @tx_t_rto:		  Nofeedback Timer setting in usecs
+ * @tx_t_ipi:		  Interpacket (send) interval (RFC 3448, 4.6) in usecs
+ * @tx_state:		  Sender state, one of %ccid3_hc_tx_states
+ * @tx_last_win_count:	  Last window counter sent
+ * @tx_t_last_win_count:  Timestamp of earliest packet
+ *			  with last_win_count value sent
+ * @tx_no_feedback_timer: Handle to no feedback timer
+ * @tx_t_ld:		  Time last doubled during slow start
+ * @tx_t_nom:		  Nominal send time of next packet
+ * @tx_delta:		  Send timer delta (RFC 3448, 4.6) in usecs
+ * @tx_hist:		  Packet history
+ * @tx_options_received:  Parsed set of retrieved options
  */
 struct ccid3_hc_tx_sock {
-	struct tfrc_tx_info		ccid3hctx_tfrc;
-#define ccid3hctx_x			ccid3hctx_tfrc.tfrctx_x
-#define ccid3hctx_x_recv		ccid3hctx_tfrc.tfrctx_x_recv
-#define ccid3hctx_x_calc		ccid3hctx_tfrc.tfrctx_x_calc
-#define ccid3hctx_rtt			ccid3hctx_tfrc.tfrctx_rtt
-#define ccid3hctx_p			ccid3hctx_tfrc.tfrctx_p
-#define ccid3hctx_t_rto			ccid3hctx_tfrc.tfrctx_rto
-#define ccid3hctx_t_ipi			ccid3hctx_tfrc.tfrctx_ipi
-	u16				ccid3hctx_s;
-	enum ccid3_hc_tx_states		ccid3hctx_state:8;
-	u8				ccid3hctx_last_win_count;
-	ktime_t				ccid3hctx_t_last_win_count;
-	struct timer_list		ccid3hctx_no_feedback_timer;
-	ktime_t				ccid3hctx_t_ld;
-	ktime_t				ccid3hctx_t_nom;
-	u32				ccid3hctx_delta;
-	struct tfrc_tx_hist_entry	*ccid3hctx_hist;
-	struct ccid3_options_received	ccid3hctx_options_received;
+	struct tfrc_tx_info		tx_tfrc;
+#define tx_x				tx_tfrc.tfrctx_x
+#define tx_x_recv			tx_tfrc.tfrctx_x_recv
+#define tx_x_calc			tx_tfrc.tfrctx_x_calc
+#define tx_rtt				tx_tfrc.tfrctx_rtt
+#define tx_p				tx_tfrc.tfrctx_p
+#define tx_t_rto			tx_tfrc.tfrctx_rto
+#define tx_t_ipi			tx_tfrc.tfrctx_ipi
+	u16				tx_s;
+	enum ccid3_hc_tx_states		tx_state:8;
+	u8				tx_last_win_count;
+	ktime_t				tx_t_last_win_count;
+	struct timer_list		tx_no_feedback_timer;
+	ktime_t				tx_t_ld;
+	ktime_t				tx_t_nom;
+	u32				tx_delta;
+	struct tfrc_tx_hist_entry	*tx_hist;
+	struct ccid3_options_received	tx_options_received;
 };
 
 static inline struct ccid3_hc_tx_sock *ccid3_hc_tx_sk(const struct sock *sk)
@@ -131,32 +131,32 @@ enum ccid3_hc_rx_states {
 
 /**
  * struct ccid3_hc_rx_sock - CCID3 receiver half-connection socket
- * @ccid3hcrx_x_recv  -  Receiver estimate of send rate (RFC 3448 4.3)
- * @ccid3hcrx_rtt  -  Receiver estimate of rtt (non-standard)
- * @ccid3hcrx_p  -  Current loss event rate (RFC 3448 5.4)
- * @ccid3hcrx_last_counter  -  Tracks window counter (RFC 4342, 8.1)
- * @ccid3hcrx_state  -  Receiver state, one of %ccid3_hc_rx_states
- * @ccid3hcrx_bytes_recv  -  Total sum of DCCP payload bytes
- * @ccid3hcrx_x_recv  -  Receiver estimate of send rate (RFC 3448, sec. 4.3)
- * @ccid3hcrx_rtt  -  Receiver estimate of RTT
- * @ccid3hcrx_tstamp_last_feedback  -  Time at which last feedback was sent
- * @ccid3hcrx_tstamp_last_ack  -  Time at which last feedback was sent
- * @ccid3hcrx_hist  -  Packet history (loss detection + RTT sampling)
- * @ccid3hcrx_li_hist  -  Loss Interval database
- * @ccid3hcrx_s  -  Received packet size in bytes
- * @ccid3hcrx_pinv  -  Inverse of Loss Event Rate (RFC 4342, sec. 8.5)
+ * @rx_x_recv:		     Receiver estimate of send rate (RFC 3448 4.3)
+ * @rx_rtt:		     Receiver estimate of rtt (non-standard)
+ * @rx_p:		     Current loss event rate (RFC 3448 5.4)
+ * @rx_last_counter:	     Tracks window counter (RFC 4342, 8.1)
+ * @rx_state:		     Receiver state, one of %ccid3_hc_rx_states
+ * @rx_bytes_recv:	     Total sum of DCCP payload bytes
+ * @rx_x_recv:		     Receiver estimate of send rate (RFC 3448, sec. 4.3)
+ * @rx_rtt:		     Receiver estimate of RTT
+ * @rx_tstamp_last_feedback: Time at which last feedback was sent
+ * @rx_tstamp_last_ack:	     Time at which last feedback was sent
+ * @rx_hist:		     Packet history (loss detection + RTT sampling)
+ * @rx_li_hist:		     Loss Interval database
+ * @rx_s:		     Received packet size in bytes
+ * @rx_pinv:		     Inverse of Loss Event Rate (RFC 4342, sec. 8.5)
  */
 struct ccid3_hc_rx_sock {
-	u8				ccid3hcrx_last_counter:4;
-	enum ccid3_hc_rx_states		ccid3hcrx_state:8;
-	u32				ccid3hcrx_bytes_recv;
-	u32				ccid3hcrx_x_recv;
-	u32				ccid3hcrx_rtt;
-	ktime_t				ccid3hcrx_tstamp_last_feedback;
-	struct tfrc_rx_hist		ccid3hcrx_hist;
-	struct tfrc_loss_hist		ccid3hcrx_li_hist;
-	u16				ccid3hcrx_s;
-#define ccid3hcrx_pinv			ccid3hcrx_li_hist.i_mean
+	u8				rx_last_counter:4;
+	enum ccid3_hc_rx_states		rx_state:8;
+	u32				rx_bytes_recv;
+	u32				rx_x_recv;
+	u32				rx_rtt;
+	ktime_t				rx_tstamp_last_feedback;
+	struct tfrc_rx_hist		rx_hist;
+	struct tfrc_loss_hist		rx_li_hist;
+	u16				rx_s;
+#define rx_pinv				rx_li_hist.i_mean
 };
 
 static inline struct ccid3_hc_rx_sock *ccid3_hc_rx_sk(const struct sock *sk)
diff --git a/net/dccp/probe.c b/net/dccp/probe.c
index 37731da4148..430d16fd6f5 100644
--- a/net/dccp/probe.c
+++ b/net/dccp/probe.c
@@ -83,14 +83,12 @@ static int jdccp_sendmsg(struct kiocb *iocb, struct sock *sk,
 	if (port == 0 || ntohs(inet->dport) == port ||
 	    ntohs(inet->sport) == port) {
 		if (hctx)
-			printl("%pI4:%u %pI4:%u %d %d %d %d %u "
-			       "%llu %llu %d\n",
+			printl("%pI4:%u %pI4:%u %d %d %d %d %u %llu %llu %d\n",
 			       &inet->saddr, ntohs(inet->sport),
 			       &inet->daddr, ntohs(inet->dport), size,
-			       hctx->ccid3hctx_s, hctx->ccid3hctx_rtt,
-			       hctx->ccid3hctx_p, hctx->ccid3hctx_x_calc,
-			       hctx->ccid3hctx_x_recv >> 6,
-			       hctx->ccid3hctx_x >> 6, hctx->ccid3hctx_t_ipi);
+			       hctx->tx_s, hctx->tx_rtt, hctx->tx_p,
+			       hctx->tx_x_calc, hctx->tx_x_recv >> 6,
+			       hctx->tx_x >> 6, hctx->tx_t_ipi);
 		else
 			printl("%pI4:%u %pI4:%u %d\n",
 			       &inet->saddr, ntohs(inet->sport),
-- 
GitLab


From 77d2dd93742222973d253443d98ab8402d641038 Mon Sep 17 00:00:00 2001
From: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Date: Mon, 5 Oct 2009 00:53:12 +0000
Subject: [PATCH 0190/1815] dccp ccid-2: Remove CCID naming redundancy 1/2

This removes a redundancy in the CCID half-connection (hc) naming scheme:
 * instead of 'hctx->tx_...', write 'hc->tx_...';
 * instead of 'hcrx->rx_...', write 'hc->rx_...';

which works because the 'type' of the half-connection is encoded in the
'rx_' / 'tx_' prefixes.

Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/dccp/ccids/ccid2.c | 322 ++++++++++++++++++++---------------------
 1 file changed, 161 insertions(+), 161 deletions(-)

diff --git a/net/dccp/ccids/ccid2.c b/net/dccp/ccids/ccid2.c
index 0675fd6215c..a47a8c918ee 100644
--- a/net/dccp/ccids/ccid2.c
+++ b/net/dccp/ccids/ccid2.c
@@ -33,20 +33,20 @@
 static int ccid2_debug;
 #define ccid2_pr_debug(format, a...)	DCCP_PR_DEBUG(ccid2_debug, format, ##a)
 
-static void ccid2_hc_tx_check_sanity(const struct ccid2_hc_tx_sock *hctx)
+static void ccid2_hc_tx_check_sanity(const struct ccid2_hc_tx_sock *hc)
 {
 	int len = 0;
 	int pipe = 0;
-	struct ccid2_seq *seqp = hctx->tx_seqh;
+	struct ccid2_seq *seqp = hc->tx_seqh;
 
 	/* there is data in the chain */
-	if (seqp != hctx->tx_seqt) {
+	if (seqp != hc->tx_seqt) {
 		seqp = seqp->ccid2s_prev;
 		len++;
 		if (!seqp->ccid2s_acked)
 			pipe++;
 
-		while (seqp != hctx->tx_seqt) {
+		while (seqp != hc->tx_seqt) {
 			struct ccid2_seq *prev = seqp->ccid2s_prev;
 
 			len++;
@@ -63,30 +63,30 @@ static void ccid2_hc_tx_check_sanity(const struct ccid2_hc_tx_sock *hctx)
 		}
 	}
 
-	BUG_ON(pipe != hctx->tx_pipe);
+	BUG_ON(pipe != hc->tx_pipe);
 	ccid2_pr_debug("len of chain=%d\n", len);
 
 	do {
 		seqp = seqp->ccid2s_prev;
 		len++;
-	} while (seqp != hctx->tx_seqh);
+	} while (seqp != hc->tx_seqh);
 
 	ccid2_pr_debug("total len=%d\n", len);
-	BUG_ON(len != hctx->tx_seqbufc * CCID2_SEQBUF_LEN);
+	BUG_ON(len != hc->tx_seqbufc * CCID2_SEQBUF_LEN);
 }
 #else
 #define ccid2_pr_debug(format, a...)
-#define ccid2_hc_tx_check_sanity(hctx)
+#define ccid2_hc_tx_check_sanity(hc)
 #endif
 
-static int ccid2_hc_tx_alloc_seq(struct ccid2_hc_tx_sock *hctx)
+static int ccid2_hc_tx_alloc_seq(struct ccid2_hc_tx_sock *hc)
 {
 	struct ccid2_seq *seqp;
 	int i;
 
 	/* check if we have space to preserve the pointer to the buffer */
-	if (hctx->tx_seqbufc >= (sizeof(hctx->tx_seqbuf) /
-				 sizeof(struct ccid2_seq *)))
+	if (hc->tx_seqbufc >= (sizeof(hc->tx_seqbuf) /
+			       sizeof(struct ccid2_seq *)))
 		return -ENOMEM;
 
 	/* allocate buffer and initialize linked list */
@@ -102,29 +102,29 @@ static int ccid2_hc_tx_alloc_seq(struct ccid2_hc_tx_sock *hctx)
 	seqp->ccid2s_prev = &seqp[CCID2_SEQBUF_LEN - 1];
 
 	/* This is the first allocation.  Initiate the head and tail.  */
-	if (hctx->tx_seqbufc == 0)
-		hctx->tx_seqh = hctx->tx_seqt = seqp;
+	if (hc->tx_seqbufc == 0)
+		hc->tx_seqh = hc->tx_seqt = seqp;
 	else {
 		/* link the existing list with the one we just created */
-		hctx->tx_seqh->ccid2s_next = seqp;
-		seqp->ccid2s_prev = hctx->tx_seqh;
+		hc->tx_seqh->ccid2s_next = seqp;
+		seqp->ccid2s_prev = hc->tx_seqh;
 
-		hctx->tx_seqt->ccid2s_prev = &seqp[CCID2_SEQBUF_LEN - 1];
-		seqp[CCID2_SEQBUF_LEN - 1].ccid2s_next = hctx->tx_seqt;
+		hc->tx_seqt->ccid2s_prev = &seqp[CCID2_SEQBUF_LEN - 1];
+		seqp[CCID2_SEQBUF_LEN - 1].ccid2s_next = hc->tx_seqt;
 	}
 
 	/* store the original pointer to the buffer so we can free it */
-	hctx->tx_seqbuf[hctx->tx_seqbufc] = seqp;
-	hctx->tx_seqbufc++;
+	hc->tx_seqbuf[hc->tx_seqbufc] = seqp;
+	hc->tx_seqbufc++;
 
 	return 0;
 }
 
 static int ccid2_hc_tx_send_packet(struct sock *sk, struct sk_buff *skb)
 {
-	struct ccid2_hc_tx_sock *hctx = ccid2_hc_tx_sk(sk);
+	struct ccid2_hc_tx_sock *hc = ccid2_hc_tx_sk(sk);
 
-	if (hctx->tx_pipe < hctx->tx_cwnd)
+	if (hc->tx_pipe < hc->tx_cwnd)
 		return 0;
 
 	return 1; /* XXX CCID should dequeue when ready instead of polling */
@@ -155,10 +155,10 @@ static void ccid2_change_l_ack_ratio(struct sock *sk, u32 val)
 	dp->dccps_l_ack_ratio = val;
 }
 
-static void ccid2_change_srtt(struct ccid2_hc_tx_sock *hctx, long val)
+static void ccid2_change_srtt(struct ccid2_hc_tx_sock *hc, long val)
 {
 	ccid2_pr_debug("change SRTT to %ld\n", val);
-	hctx->tx_srtt = val;
+	hc->tx_srtt = val;
 }
 
 static void ccid2_start_rto_timer(struct sock *sk);
@@ -166,44 +166,44 @@ static void ccid2_start_rto_timer(struct sock *sk);
 static void ccid2_hc_tx_rto_expire(unsigned long data)
 {
 	struct sock *sk = (struct sock *)data;
-	struct ccid2_hc_tx_sock *hctx = ccid2_hc_tx_sk(sk);
+	struct ccid2_hc_tx_sock *hc = ccid2_hc_tx_sk(sk);
 	long s;
 
 	bh_lock_sock(sk);
 	if (sock_owned_by_user(sk)) {
-		sk_reset_timer(sk, &hctx->tx_rtotimer, jiffies + HZ / 5);
+		sk_reset_timer(sk, &hc->tx_rtotimer, jiffies + HZ / 5);
 		goto out;
 	}
 
 	ccid2_pr_debug("RTO_EXPIRE\n");
 
-	ccid2_hc_tx_check_sanity(hctx);
+	ccid2_hc_tx_check_sanity(hc);
 
 	/* back-off timer */
-	hctx->tx_rto <<= 1;
+	hc->tx_rto <<= 1;
 
-	s = hctx->tx_rto / HZ;
+	s = hc->tx_rto / HZ;
 	if (s > 60)
-		hctx->tx_rto = 60 * HZ;
+		hc->tx_rto = 60 * HZ;
 
 	ccid2_start_rto_timer(sk);
 
 	/* adjust pipe, cwnd etc */
-	hctx->tx_ssthresh = hctx->tx_cwnd / 2;
-	if (hctx->tx_ssthresh < 2)
-		hctx->tx_ssthresh = 2;
-	hctx->tx_cwnd	 = 1;
-	hctx->tx_pipe	 = 0;
+	hc->tx_ssthresh = hc->tx_cwnd / 2;
+	if (hc->tx_ssthresh < 2)
+		hc->tx_ssthresh = 2;
+	hc->tx_cwnd	 = 1;
+	hc->tx_pipe	 = 0;
 
 	/* clear state about stuff we sent */
-	hctx->tx_seqt = hctx->tx_seqh;
-	hctx->tx_packets_acked = 0;
+	hc->tx_seqt = hc->tx_seqh;
+	hc->tx_packets_acked = 0;
 
 	/* clear ack ratio state. */
-	hctx->tx_rpseq    = 0;
-	hctx->tx_rpdupack = -1;
+	hc->tx_rpseq    = 0;
+	hc->tx_rpdupack = -1;
 	ccid2_change_l_ack_ratio(sk, 1);
-	ccid2_hc_tx_check_sanity(hctx);
+	ccid2_hc_tx_check_sanity(hc);
 out:
 	bh_unlock_sock(sk);
 	sock_put(sk);
@@ -211,40 +211,40 @@ out:
 
 static void ccid2_start_rto_timer(struct sock *sk)
 {
-	struct ccid2_hc_tx_sock *hctx = ccid2_hc_tx_sk(sk);
+	struct ccid2_hc_tx_sock *hc = ccid2_hc_tx_sk(sk);
 
-	ccid2_pr_debug("setting RTO timeout=%ld\n", hctx->tx_rto);
+	ccid2_pr_debug("setting RTO timeout=%ld\n", hc->tx_rto);
 
-	BUG_ON(timer_pending(&hctx->tx_rtotimer));
-	sk_reset_timer(sk, &hctx->tx_rtotimer, jiffies + hctx->tx_rto);
+	BUG_ON(timer_pending(&hc->tx_rtotimer));
+	sk_reset_timer(sk, &hc->tx_rtotimer, jiffies + hc->tx_rto);
 }
 
 static void ccid2_hc_tx_packet_sent(struct sock *sk, int more, unsigned int len)
 {
 	struct dccp_sock *dp = dccp_sk(sk);
-	struct ccid2_hc_tx_sock *hctx = ccid2_hc_tx_sk(sk);
+	struct ccid2_hc_tx_sock *hc = ccid2_hc_tx_sk(sk);
 	struct ccid2_seq *next;
 
-	hctx->tx_pipe++;
+	hc->tx_pipe++;
 
-	hctx->tx_seqh->ccid2s_seq   = dp->dccps_gss;
-	hctx->tx_seqh->ccid2s_acked = 0;
-	hctx->tx_seqh->ccid2s_sent  = jiffies;
+	hc->tx_seqh->ccid2s_seq   = dp->dccps_gss;
+	hc->tx_seqh->ccid2s_acked = 0;
+	hc->tx_seqh->ccid2s_sent  = jiffies;
 
-	next = hctx->tx_seqh->ccid2s_next;
+	next = hc->tx_seqh->ccid2s_next;
 	/* check if we need to alloc more space */
-	if (next == hctx->tx_seqt) {
-		if (ccid2_hc_tx_alloc_seq(hctx)) {
+	if (next == hc->tx_seqt) {
+		if (ccid2_hc_tx_alloc_seq(hc)) {
 			DCCP_CRIT("packet history - out of memory!");
 			/* FIXME: find a more graceful way to bail out */
 			return;
 		}
-		next = hctx->tx_seqh->ccid2s_next;
-		BUG_ON(next == hctx->tx_seqt);
+		next = hc->tx_seqh->ccid2s_next;
+		BUG_ON(next == hc->tx_seqt);
 	}
-	hctx->tx_seqh = next;
+	hc->tx_seqh = next;
 
-	ccid2_pr_debug("cwnd=%d pipe=%d\n", hctx->tx_cwnd, hctx->tx_pipe);
+	ccid2_pr_debug("cwnd=%d pipe=%d\n", hc->tx_cwnd, hc->tx_pipe);
 
 	/*
 	 * FIXME: The code below is broken and the variables have been removed
@@ -267,12 +267,12 @@ static void ccid2_hc_tx_packet_sent(struct sock *sk, int more, unsigned int len)
 	 */
 #if 0
 	/* Ack Ratio.  Need to maintain a concept of how many windows we sent */
-	hctx->tx_arsent++;
+	hc->tx_arsent++;
 	/* We had an ack loss in this window... */
-	if (hctx->tx_ackloss) {
-		if (hctx->tx_arsent >= hctx->tx_cwnd) {
-			hctx->tx_arsent  = 0;
-			hctx->tx_ackloss = 0;
+	if (hc->tx_ackloss) {
+		if (hc->tx_arsent >= hc->tx_cwnd) {
+			hc->tx_arsent  = 0;
+			hc->tx_ackloss = 0;
 		}
 	} else {
 		/* No acks lost up to now... */
@@ -282,28 +282,28 @@ static void ccid2_hc_tx_packet_sent(struct sock *sk, int more, unsigned int len)
 			int denom = dp->dccps_l_ack_ratio * dp->dccps_l_ack_ratio -
 				    dp->dccps_l_ack_ratio;
 
-			denom = hctx->tx_cwnd * hctx->tx_cwnd / denom;
+			denom = hc->tx_cwnd * hc->tx_cwnd / denom;
 
-			if (hctx->tx_arsent >= denom) {
+			if (hc->tx_arsent >= denom) {
 				ccid2_change_l_ack_ratio(sk, dp->dccps_l_ack_ratio - 1);
-				hctx->tx_arsent = 0;
+				hc->tx_arsent = 0;
 			}
 		} else {
 			/* we can't increase ack ratio further [1] */
-			hctx->tx_arsent = 0; /* or maybe set it to cwnd*/
+			hc->tx_arsent = 0; /* or maybe set it to cwnd*/
 		}
 	}
 #endif
 
 	/* setup RTO timer */
-	if (!timer_pending(&hctx->tx_rtotimer))
+	if (!timer_pending(&hc->tx_rtotimer))
 		ccid2_start_rto_timer(sk);
 
 #ifdef CONFIG_IP_DCCP_CCID2_DEBUG
 	do {
-		struct ccid2_seq *seqp = hctx->tx_seqt;
+		struct ccid2_seq *seqp = hc->tx_seqt;
 
-		while (seqp != hctx->tx_seqh) {
+		while (seqp != hc->tx_seqh) {
 			ccid2_pr_debug("out seq=%llu acked=%d time=%lu\n",
 				       (unsigned long long)seqp->ccid2s_seq,
 				       seqp->ccid2s_acked, seqp->ccid2s_sent);
@@ -311,7 +311,7 @@ static void ccid2_hc_tx_packet_sent(struct sock *sk, int more, unsigned int len)
 		}
 	} while (0);
 	ccid2_pr_debug("=========\n");
-	ccid2_hc_tx_check_sanity(hctx);
+	ccid2_hc_tx_check_sanity(hc);
 #endif
 }
 
@@ -379,9 +379,9 @@ out_invalid_option:
 
 static void ccid2_hc_tx_kill_rto_timer(struct sock *sk)
 {
-	struct ccid2_hc_tx_sock *hctx = ccid2_hc_tx_sk(sk);
+	struct ccid2_hc_tx_sock *hc = ccid2_hc_tx_sk(sk);
 
-	sk_stop_timer(sk, &hctx->tx_rtotimer);
+	sk_stop_timer(sk, &hc->tx_rtotimer);
 	ccid2_pr_debug("deleted RTO timer\n");
 }
 
@@ -389,75 +389,75 @@ static inline void ccid2_new_ack(struct sock *sk,
 				 struct ccid2_seq *seqp,
 				 unsigned int *maxincr)
 {
-	struct ccid2_hc_tx_sock *hctx = ccid2_hc_tx_sk(sk);
+	struct ccid2_hc_tx_sock *hc = ccid2_hc_tx_sk(sk);
 
-	if (hctx->tx_cwnd < hctx->tx_ssthresh) {
-		if (*maxincr > 0 && ++hctx->tx_packets_acked == 2) {
-			hctx->tx_cwnd += 1;
-			*maxincr      -= 1;
-			hctx->tx_packets_acked = 0;
+	if (hc->tx_cwnd < hc->tx_ssthresh) {
+		if (*maxincr > 0 && ++hc->tx_packets_acked == 2) {
+			hc->tx_cwnd += 1;
+			*maxincr    -= 1;
+			hc->tx_packets_acked = 0;
 		}
-	} else if (++hctx->tx_packets_acked >= hctx->tx_cwnd) {
-			hctx->tx_cwnd += 1;
-			hctx->tx_packets_acked = 0;
+	} else if (++hc->tx_packets_acked >= hc->tx_cwnd) {
+			hc->tx_cwnd += 1;
+			hc->tx_packets_acked = 0;
 	}
 
 	/* update RTO */
-	if (hctx->tx_srtt == -1 ||
-	    time_after(jiffies, hctx->tx_lastrtt + hctx->tx_srtt)) {
+	if (hc->tx_srtt == -1 ||
+	    time_after(jiffies, hc->tx_lastrtt + hc->tx_srtt)) {
 		unsigned long r = (long)jiffies - (long)seqp->ccid2s_sent;
 		int s;
 
 		/* first measurement */
-		if (hctx->tx_srtt == -1) {
+		if (hc->tx_srtt == -1) {
 			ccid2_pr_debug("R: %lu Time=%lu seq=%llu\n",
 				       r, jiffies,
 				       (unsigned long long)seqp->ccid2s_seq);
-			ccid2_change_srtt(hctx, r);
-			hctx->tx_rttvar = r >> 1;
+			ccid2_change_srtt(hc, r);
+			hc->tx_rttvar = r >> 1;
 		} else {
 			/* RTTVAR */
-			long tmp = hctx->tx_srtt - r;
+			long tmp = hc->tx_srtt - r;
 			long srtt;
 
 			if (tmp < 0)
 				tmp *= -1;
 
 			tmp >>= 2;
-			hctx->tx_rttvar *= 3;
-			hctx->tx_rttvar >>= 2;
-			hctx->tx_rttvar += tmp;
+			hc->tx_rttvar *= 3;
+			hc->tx_rttvar >>= 2;
+			hc->tx_rttvar += tmp;
 
 			/* SRTT */
-			srtt = hctx->tx_srtt;
+			srtt = hc->tx_srtt;
 			srtt *= 7;
 			srtt >>= 3;
 			tmp = r >> 3;
 			srtt += tmp;
-			ccid2_change_srtt(hctx, srtt);
+			ccid2_change_srtt(hc, srtt);
 		}
-		s = hctx->tx_rttvar << 2;
+		s = hc->tx_rttvar << 2;
 		/* clock granularity is 1 when based on jiffies */
 		if (!s)
 			s = 1;
-		hctx->tx_rto = hctx->tx_srtt + s;
+		hc->tx_rto = hc->tx_srtt + s;
 
 		/* must be at least a second */
-		s = hctx->tx_rto / HZ;
+		s = hc->tx_rto / HZ;
 		/* DCCP doesn't require this [but I like it cuz my code sux] */
 #if 1
 		if (s < 1)
-			hctx->tx_rto = HZ;
+			hc->tx_rto = HZ;
 #endif
 		/* max 60 seconds */
 		if (s > 60)
-			hctx->tx_rto = HZ * 60;
+			hc->tx_rto = HZ * 60;
 
-		hctx->tx_lastrtt = jiffies;
+		hc->tx_lastrtt = jiffies;
 
 		ccid2_pr_debug("srtt: %ld rttvar: %ld rto: %ld (HZ=%d) R=%lu\n",
-			       hctx->tx_srtt, hctx->tx_rttvar,
-			       hctx->tx_rto, HZ, r);
+			       hc->tx_srtt, hc->tx_rttvar,
+			       hc->tx_rto, HZ, r);
 	}
 
 	/* we got a new ack, so re-start RTO timer */
@@ -467,40 +467,40 @@ static inline void ccid2_new_ack(struct sock *sk,
 
 static void ccid2_hc_tx_dec_pipe(struct sock *sk)
 {
-	struct ccid2_hc_tx_sock *hctx = ccid2_hc_tx_sk(sk);
+	struct ccid2_hc_tx_sock *hc = ccid2_hc_tx_sk(sk);
 
-	if (hctx->tx_pipe == 0)
+	if (hc->tx_pipe == 0)
 		DCCP_BUG("pipe == 0");
 	else
-		hctx->tx_pipe--;
+		hc->tx_pipe--;
 
-	if (hctx->tx_pipe == 0)
+	if (hc->tx_pipe == 0)
 		ccid2_hc_tx_kill_rto_timer(sk);
 }
 
 static void ccid2_congestion_event(struct sock *sk, struct ccid2_seq *seqp)
 {
-	struct ccid2_hc_tx_sock *hctx = ccid2_hc_tx_sk(sk);
+	struct ccid2_hc_tx_sock *hc = ccid2_hc_tx_sk(sk);
 
-	if (time_before(seqp->ccid2s_sent, hctx->tx_last_cong)) {
+	if (time_before(seqp->ccid2s_sent, hc->tx_last_cong)) {
 		ccid2_pr_debug("Multiple losses in an RTT---treating as one\n");
 		return;
 	}
 
-	hctx->tx_last_cong = jiffies;
+	hc->tx_last_cong = jiffies;
 
-	hctx->tx_cwnd     = hctx->tx_cwnd / 2 ? : 1U;
-	hctx->tx_ssthresh = max(hctx->tx_cwnd, 2U);
+	hc->tx_cwnd      = hc->tx_cwnd / 2 ? : 1U;
+	hc->tx_ssthresh  = max(hc->tx_cwnd, 2U);
 
 	/* Avoid spurious timeouts resulting from Ack Ratio > cwnd */
-	if (dccp_sk(sk)->dccps_l_ack_ratio > hctx->tx_cwnd)
-		ccid2_change_l_ack_ratio(sk, hctx->tx_cwnd);
+	if (dccp_sk(sk)->dccps_l_ack_ratio > hc->tx_cwnd)
+		ccid2_change_l_ack_ratio(sk, hc->tx_cwnd);
 }
 
 static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
 {
 	struct dccp_sock *dp = dccp_sk(sk);
-	struct ccid2_hc_tx_sock *hctx = ccid2_hc_tx_sk(sk);
+	struct ccid2_hc_tx_sock *hc = ccid2_hc_tx_sk(sk);
 	u64 ackno, seqno;
 	struct ccid2_seq *seqp;
 	unsigned char *vector;
@@ -509,7 +509,7 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
 	int done = 0;
 	unsigned int maxincr = 0;
 
-	ccid2_hc_tx_check_sanity(hctx);
+	ccid2_hc_tx_check_sanity(hc);
 	/* check reverse path congestion */
 	seqno = DCCP_SKB_CB(skb)->dccpd_seq;
 
@@ -518,21 +518,21 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
 	 * -sorbo.
 	 */
 	/* need to bootstrap */
-	if (hctx->tx_rpdupack == -1) {
-		hctx->tx_rpdupack = 0;
-		hctx->tx_rpseq    = seqno;
+	if (hc->tx_rpdupack == -1) {
+		hc->tx_rpdupack = 0;
+		hc->tx_rpseq    = seqno;
 	} else {
 		/* check if packet is consecutive */
-		if (dccp_delta_seqno(hctx->tx_rpseq, seqno) == 1)
-			hctx->tx_rpseq = seqno;
+		if (dccp_delta_seqno(hc->tx_rpseq, seqno) == 1)
+			hc->tx_rpseq = seqno;
 		/* it's a later packet */
-		else if (after48(seqno, hctx->tx_rpseq)) {
-			hctx->tx_rpdupack++;
+		else if (after48(seqno, hc->tx_rpseq)) {
+			hc->tx_rpdupack++;
 
 			/* check if we got enough dupacks */
-			if (hctx->tx_rpdupack >= NUMDUPACK) {
-				hctx->tx_rpdupack = -1; /* XXX lame */
-				hctx->tx_rpseq    = 0;
+			if (hc->tx_rpdupack >= NUMDUPACK) {
+				hc->tx_rpdupack = -1; /* XXX lame */
+				hc->tx_rpseq    = 0;
 
 				ccid2_change_l_ack_ratio(sk, 2 * dp->dccps_l_ack_ratio);
 			}
@@ -541,7 +541,7 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
 
 	/* check forward path congestion */
 	/* still didn't send out new data packets */
-	if (hctx->tx_seqh == hctx->tx_seqt)
+	if (hc->tx_seqh == hc->tx_seqt)
 		return;
 
 	switch (DCCP_SKB_CB(skb)->dccpd_type) {
@@ -553,14 +553,14 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
 	}
 
 	ackno = DCCP_SKB_CB(skb)->dccpd_ack_seq;
-	if (after48(ackno, hctx->tx_high_ack))
-		hctx->tx_high_ack = ackno;
+	if (after48(ackno, hc->tx_high_ack))
+		hc->tx_high_ack = ackno;
 
-	seqp = hctx->tx_seqt;
+	seqp = hc->tx_seqt;
 	while (before48(seqp->ccid2s_seq, ackno)) {
 		seqp = seqp->ccid2s_next;
-		if (seqp == hctx->tx_seqh) {
-			seqp = hctx->tx_seqh->ccid2s_prev;
+		if (seqp == hc->tx_seqh) {
+			seqp = hc->tx_seqh->ccid2s_prev;
 			break;
 		}
 	}
@@ -570,7 +570,7 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
 	 * packets per acknowledgement. Rounding up avoids that cwnd is not
 	 * advanced when Ack Ratio is 1 and gives a slight edge otherwise.
 	 */
-	if (hctx->tx_cwnd < hctx->tx_ssthresh)
+	if (hc->tx_cwnd < hc->tx_ssthresh)
 		maxincr = DIV_ROUND_UP(dp->dccps_l_ack_ratio, 2);
 
 	/* go through all ack vectors */
@@ -589,7 +589,7 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
 			 * seqnos.
 			 */
 			while (after48(seqp->ccid2s_seq, ackno)) {
-				if (seqp == hctx->tx_seqt) {
+				if (seqp == hc->tx_seqt) {
 					done = 1;
 					break;
 				}
@@ -621,7 +621,7 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
 						       (unsigned long long)seqp->ccid2s_seq);
 					ccid2_hc_tx_dec_pipe(sk);
 				}
-				if (seqp == hctx->tx_seqt) {
+				if (seqp == hc->tx_seqt) {
 					done = 1;
 					break;
 				}
@@ -640,11 +640,11 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
 	/* The state about what is acked should be correct now
 	 * Check for NUMDUPACK
 	 */
-	seqp = hctx->tx_seqt;
-	while (before48(seqp->ccid2s_seq, hctx->tx_high_ack)) {
+	seqp = hc->tx_seqt;
+	while (before48(seqp->ccid2s_seq, hc->tx_high_ack)) {
 		seqp = seqp->ccid2s_next;
-		if (seqp == hctx->tx_seqh) {
-			seqp = hctx->tx_seqh->ccid2s_prev;
+		if (seqp == hc->tx_seqh) {
+			seqp = hc->tx_seqh->ccid2s_prev;
 			break;
 		}
 	}
@@ -655,7 +655,7 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
 			if (done == NUMDUPACK)
 				break;
 		}
-		if (seqp == hctx->tx_seqt)
+		if (seqp == hc->tx_seqt)
 			break;
 		seqp = seqp->ccid2s_prev;
 	}
@@ -678,86 +678,86 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
 				ccid2_congestion_event(sk, seqp);
 				ccid2_hc_tx_dec_pipe(sk);
 			}
-			if (seqp == hctx->tx_seqt)
+			if (seqp == hc->tx_seqt)
 				break;
 			seqp = seqp->ccid2s_prev;
 		}
 
-		hctx->tx_seqt = last_acked;
+		hc->tx_seqt = last_acked;
 	}
 
 	/* trim acked packets in tail */
-	while (hctx->tx_seqt != hctx->tx_seqh) {
-		if (!hctx->tx_seqt->ccid2s_acked)
+	while (hc->tx_seqt != hc->tx_seqh) {
+		if (!hc->tx_seqt->ccid2s_acked)
 			break;
 
-		hctx->tx_seqt = hctx->tx_seqt->ccid2s_next;
+		hc->tx_seqt = hc->tx_seqt->ccid2s_next;
 	}
 
-	ccid2_hc_tx_check_sanity(hctx);
+	ccid2_hc_tx_check_sanity(hc);
 }
 
 static int ccid2_hc_tx_init(struct ccid *ccid, struct sock *sk)
 {
-	struct ccid2_hc_tx_sock *hctx = ccid_priv(ccid);
+	struct ccid2_hc_tx_sock *hc = ccid_priv(ccid);
 	struct dccp_sock *dp = dccp_sk(sk);
 	u32 max_ratio;
 
 	/* RFC 4341, 5: initialise ssthresh to arbitrarily high (max) value */
-	hctx->tx_ssthresh = ~0U;
+	hc->tx_ssthresh = ~0U;
 
 	/*
 	 * RFC 4341, 5: "The cwnd parameter is initialized to at most four
 	 * packets for new connections, following the rules from [RFC3390]".
 	 * We need to convert the bytes of RFC3390 into the packets of RFC 4341.
 	 */
-	hctx->tx_cwnd = clamp(4380U / dp->dccps_mss_cache, 2U, 4U);
+	hc->tx_cwnd = clamp(4380U / dp->dccps_mss_cache, 2U, 4U);
 
 	/* Make sure that Ack Ratio is enabled and within bounds. */
-	max_ratio = DIV_ROUND_UP(hctx->tx_cwnd, 2);
+	max_ratio = DIV_ROUND_UP(hc->tx_cwnd, 2);
 	if (dp->dccps_l_ack_ratio == 0 || dp->dccps_l_ack_ratio > max_ratio)
 		dp->dccps_l_ack_ratio = max_ratio;
 
 	/* XXX init ~ to window size... */
-	if (ccid2_hc_tx_alloc_seq(hctx))
+	if (ccid2_hc_tx_alloc_seq(hc))
 		return -ENOMEM;
 
-	hctx->tx_rto	   = 3 * HZ;
-	ccid2_change_srtt(hctx, -1);
-	hctx->tx_rttvar	   = -1;
-	hctx->tx_rpdupack  = -1;
-	hctx->tx_last_cong = jiffies;
-	setup_timer(&hctx->tx_rtotimer, ccid2_hc_tx_rto_expire,
+	hc->tx_rto	 = 3 * HZ;
+	ccid2_change_srtt(hc, -1);
+	hc->tx_rttvar    = -1;
+	hc->tx_rpdupack  = -1;
+	hc->tx_last_cong = jiffies;
+	setup_timer(&hc->tx_rtotimer, ccid2_hc_tx_rto_expire,
 			(unsigned long)sk);
 
-	ccid2_hc_tx_check_sanity(hctx);
+	ccid2_hc_tx_check_sanity(hc);
 	return 0;
 }
 
 static void ccid2_hc_tx_exit(struct sock *sk)
 {
-	struct ccid2_hc_tx_sock *hctx = ccid2_hc_tx_sk(sk);
+	struct ccid2_hc_tx_sock *hc = ccid2_hc_tx_sk(sk);
 	int i;
 
 	ccid2_hc_tx_kill_rto_timer(sk);
 
-	for (i = 0; i < hctx->tx_seqbufc; i++)
-		kfree(hctx->tx_seqbuf[i]);
-	hctx->tx_seqbufc = 0;
+	for (i = 0; i < hc->tx_seqbufc; i++)
+		kfree(hc->tx_seqbuf[i]);
+	hc->tx_seqbufc = 0;
 }
 
 static void ccid2_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
 {
 	const struct dccp_sock *dp = dccp_sk(sk);
-	struct ccid2_hc_rx_sock *hcrx = ccid2_hc_rx_sk(sk);
+	struct ccid2_hc_rx_sock *hc = ccid2_hc_rx_sk(sk);
 
 	switch (DCCP_SKB_CB(skb)->dccpd_type) {
 	case DCCP_PKT_DATA:
 	case DCCP_PKT_DATAACK:
-		hcrx->rx_data++;
-		if (hcrx->rx_data >= dp->dccps_r_ack_ratio) {
+		hc->rx_data++;
+		if (hc->rx_data >= dp->dccps_r_ack_ratio) {
 			dccp_send_ack(sk);
-			hcrx->rx_data = 0;
+			hc->rx_data = 0;
 		}
 		break;
 	}
-- 
GitLab


From 996ccf49005662ee7fee38a45be5cb27bf370b1d Mon Sep 17 00:00:00 2001
From: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Date: Mon, 5 Oct 2009 00:53:13 +0000
Subject: [PATCH 0191/1815] dccp ccid-3: Remove CCID naming redundancy 2/2

This continues the previous patch, by applying the same change to CCID-3.

Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/dccp/ccids/ccid3.c | 371 ++++++++++++++++++++---------------------
 net/dccp/probe.c       |  12 +-
 2 files changed, 191 insertions(+), 192 deletions(-)

diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c
index 6b8d67ba7fe..bcd7632299f 100644
--- a/net/dccp/ccids/ccid3.c
+++ b/net/dccp/ccids/ccid3.c
@@ -64,14 +64,14 @@ static const char *ccid3_tx_state_name(enum ccid3_hc_tx_states state)
 static void ccid3_hc_tx_set_state(struct sock *sk,
 				  enum ccid3_hc_tx_states state)
 {
-	struct ccid3_hc_tx_sock *hctx = ccid3_hc_tx_sk(sk);
-	enum ccid3_hc_tx_states oldstate = hctx->tx_state;
+	struct ccid3_hc_tx_sock *hc = ccid3_hc_tx_sk(sk);
+	enum ccid3_hc_tx_states oldstate = hc->tx_state;
 
 	ccid3_pr_debug("%s(%p) %-8.8s -> %s\n",
 		       dccp_role(sk), sk, ccid3_tx_state_name(oldstate),
 		       ccid3_tx_state_name(state));
 	WARN_ON(state == oldstate);
-	hctx->tx_state = state;
+	hc->tx_state = state;
 }
 
 /*
@@ -85,32 +85,32 @@ static void ccid3_hc_tx_set_state(struct sock *sk,
  */
 static inline u64 rfc3390_initial_rate(struct sock *sk)
 {
-	const struct ccid3_hc_tx_sock *hctx = ccid3_hc_tx_sk(sk);
-	const __u32 w_init = clamp_t(__u32, 4380U, 2 * hctx->tx_s, 4 * hctx->tx_s);
+	const struct ccid3_hc_tx_sock *hc = ccid3_hc_tx_sk(sk);
+	const __u32 w_init = clamp_t(__u32, 4380U, 2 * hc->tx_s, 4 * hc->tx_s);
 
-	return scaled_div(w_init << 6, hctx->tx_rtt);
+	return scaled_div(w_init << 6, hc->tx_rtt);
 }
 
 /*
  * Recalculate t_ipi and delta (should be called whenever X changes)
  */
-static void ccid3_update_send_interval(struct ccid3_hc_tx_sock *hctx)
+static void ccid3_update_send_interval(struct ccid3_hc_tx_sock *hc)
 {
 	/* Calculate new t_ipi = s / X_inst (X_inst is in 64 * bytes/second) */
-	hctx->tx_t_ipi = scaled_div32(((u64)hctx->tx_s) << 6, hctx->tx_x);
+	hc->tx_t_ipi = scaled_div32(((u64)hc->tx_s) << 6, hc->tx_x);
 
 	/* Calculate new delta by delta = min(t_ipi / 2, t_gran / 2) */
-	hctx->tx_delta = min_t(u32, hctx->tx_t_ipi / 2, TFRC_OPSYS_HALF_TIME_GRAN);
+	hc->tx_delta = min_t(u32, hc->tx_t_ipi / 2, TFRC_OPSYS_HALF_TIME_GRAN);
 
-	ccid3_pr_debug("t_ipi=%u, delta=%u, s=%u, X=%u\n", hctx->tx_t_ipi,
-		       hctx->tx_delta, hctx->tx_s, (unsigned)(hctx->tx_x >> 6));
+	ccid3_pr_debug("t_ipi=%u, delta=%u, s=%u, X=%u\n", hc->tx_t_ipi,
+		       hc->tx_delta, hc->tx_s, (unsigned)(hc->tx_x >> 6));
 }
 
-static u32 ccid3_hc_tx_idle_rtt(struct ccid3_hc_tx_sock *hctx, ktime_t now)
+static u32 ccid3_hc_tx_idle_rtt(struct ccid3_hc_tx_sock *hc, ktime_t now)
 {
-	u32 delta = ktime_us_delta(now, hctx->tx_t_last_win_count);
+	u32 delta = ktime_us_delta(now, hc->tx_t_last_win_count);
 
-	return delta / hctx->tx_rtt;
+	return delta / hc->tx_rtt;
 }
 
 /**
@@ -125,9 +125,9 @@ static u32 ccid3_hc_tx_idle_rtt(struct ccid3_hc_tx_sock *hctx, ktime_t now)
  */
 static void ccid3_hc_tx_update_x(struct sock *sk, ktime_t *stamp)
 {
-	struct ccid3_hc_tx_sock *hctx = ccid3_hc_tx_sk(sk);
-	__u64 min_rate = 2 * hctx->tx_x_recv;
-	const __u64 old_x = hctx->tx_x;
+	struct ccid3_hc_tx_sock *hc = ccid3_hc_tx_sk(sk);
+	__u64 min_rate = 2 * hc->tx_x_recv;
+	const __u64 old_x = hc->tx_x;
 	ktime_t now = stamp ? *stamp : ktime_get_real();
 
 	/*
@@ -136,31 +136,31 @@ static void ccid3_hc_tx_update_x(struct sock *sk, ktime_t *stamp)
 	 * a sender is idle if it has not sent anything over a 2-RTT-period.
 	 * For consistency with X and X_recv, min_rate is also scaled by 2^6.
 	 */
-	if (ccid3_hc_tx_idle_rtt(hctx, now) >= 2) {
+	if (ccid3_hc_tx_idle_rtt(hc, now) >= 2) {
 		min_rate = rfc3390_initial_rate(sk);
-		min_rate = max(min_rate, 2 * hctx->tx_x_recv);
+		min_rate = max(min_rate, 2 * hc->tx_x_recv);
 	}
 
-	if (hctx->tx_p > 0) {
+	if (hc->tx_p > 0) {
 
-		hctx->tx_x = min(((__u64)hctx->tx_x_calc) << 6, min_rate);
-		hctx->tx_x = max(hctx->tx_x, (((__u64)hctx->tx_s) << 6) / TFRC_T_MBI);
+		hc->tx_x = min(((__u64)hc->tx_x_calc) << 6, min_rate);
+		hc->tx_x = max(hc->tx_x, (((__u64)hc->tx_s) << 6) / TFRC_T_MBI);
 
-	} else if (ktime_us_delta(now, hctx->tx_t_ld) - (s64)hctx->tx_rtt >= 0) {
+	} else if (ktime_us_delta(now, hc->tx_t_ld) - (s64)hc->tx_rtt >= 0) {
 
-		hctx->tx_x = min(2 * hctx->tx_x, min_rate);
-		hctx->tx_x = max(hctx->tx_x, scaled_div(((__u64)hctx->tx_s) << 6,
-							hctx->tx_rtt));
-		hctx->tx_t_ld = now;
+		hc->tx_x = min(2 * hc->tx_x, min_rate);
+		hc->tx_x = max(hc->tx_x,
+			       scaled_div(((__u64)hc->tx_s) << 6, hc->tx_rtt));
+		hc->tx_t_ld = now;
 	}
 
-	if (hctx->tx_x != old_x) {
+	if (hc->tx_x != old_x) {
 		ccid3_pr_debug("X_prev=%u, X_now=%u, X_calc=%u, "
 			       "X_recv=%u\n", (unsigned)(old_x >> 6),
-			       (unsigned)(hctx->tx_x >> 6), hctx->tx_x_calc,
-			       (unsigned)(hctx->tx_x_recv >> 6));
+			       (unsigned)(hc->tx_x >> 6), hc->tx_x_calc,
+			       (unsigned)(hc->tx_x_recv >> 6));
 
-		ccid3_update_send_interval(hctx);
+		ccid3_update_send_interval(hc);
 	}
 }
 
@@ -168,37 +168,37 @@ static void ccid3_hc_tx_update_x(struct sock *sk, ktime_t *stamp)
  *	Track the mean packet size `s' (cf. RFC 4342, 5.3 and  RFC 3448, 4.1)
  *	@len: DCCP packet payload size in bytes
  */
-static inline void ccid3_hc_tx_update_s(struct ccid3_hc_tx_sock *hctx, int len)
+static inline void ccid3_hc_tx_update_s(struct ccid3_hc_tx_sock *hc, int len)
 {
-	const u16 old_s = hctx->tx_s;
+	const u16 old_s = hc->tx_s;
 
-	hctx->tx_s = tfrc_ewma(hctx->tx_s, len, 9);
+	hc->tx_s = tfrc_ewma(hc->tx_s, len, 9);
 
-	if (hctx->tx_s != old_s)
-		ccid3_update_send_interval(hctx);
+	if (hc->tx_s != old_s)
+		ccid3_update_send_interval(hc);
 }
 
 /*
  *	Update Window Counter using the algorithm from [RFC 4342, 8.1].
  *	As elsewhere, RTT > 0 is assumed by using dccp_sample_rtt().
  */
-static inline void ccid3_hc_tx_update_win_count(struct ccid3_hc_tx_sock *hctx,
+static inline void ccid3_hc_tx_update_win_count(struct ccid3_hc_tx_sock *hc,
 						ktime_t now)
 {
-	u32 delta = ktime_us_delta(now, hctx->tx_t_last_win_count),
-	    quarter_rtts = (4 * delta) / hctx->tx_rtt;
+	u32 delta = ktime_us_delta(now, hc->tx_t_last_win_count),
+	    quarter_rtts = (4 * delta) / hc->tx_rtt;
 
 	if (quarter_rtts > 0) {
-		hctx->tx_t_last_win_count = now;
-		hctx->tx_last_win_count  += min(quarter_rtts, 5U);
-		hctx->tx_last_win_count	 &= 0xF;		/* mod 16 */
+		hc->tx_t_last_win_count = now;
+		hc->tx_last_win_count  += min(quarter_rtts, 5U);
+		hc->tx_last_win_count  &= 0xF;		/* mod 16 */
 	}
 }
 
 static void ccid3_hc_tx_no_feedback_timer(unsigned long data)
 {
 	struct sock *sk = (struct sock *)data;
-	struct ccid3_hc_tx_sock *hctx = ccid3_hc_tx_sk(sk);
+	struct ccid3_hc_tx_sock *hc = ccid3_hc_tx_sk(sk);
 	unsigned long t_nfb = USEC_PER_SEC / 5;
 
 	bh_lock_sock(sk);
@@ -209,23 +209,23 @@ static void ccid3_hc_tx_no_feedback_timer(unsigned long data)
 	}
 
 	ccid3_pr_debug("%s(%p, state=%s) - entry \n", dccp_role(sk), sk,
-		       ccid3_tx_state_name(hctx->tx_state));
+		       ccid3_tx_state_name(hc->tx_state));
 
-	if (hctx->tx_state == TFRC_SSTATE_FBACK)
+	if (hc->tx_state == TFRC_SSTATE_FBACK)
 		ccid3_hc_tx_set_state(sk, TFRC_SSTATE_NO_FBACK);
-	else if (hctx->tx_state != TFRC_SSTATE_NO_FBACK)
+	else if (hc->tx_state != TFRC_SSTATE_NO_FBACK)
 		goto out;
 
 	/*
 	 * Determine new allowed sending rate X as per draft rfc3448bis-00, 4.4
 	 */
-	if (hctx->tx_t_rto == 0 ||	/* no feedback received yet */
-	    hctx->tx_p == 0) {
+	if (hc->tx_t_rto == 0 ||	/* no feedback received yet */
+	    hc->tx_p == 0) {
 
 		/* halve send rate directly */
-		hctx->tx_x = max(hctx->tx_x / 2,
-				 (((__u64)hctx->tx_s) << 6) / TFRC_T_MBI);
-		ccid3_update_send_interval(hctx);
+		hc->tx_x = max(hc->tx_x / 2,
+			       (((__u64)hc->tx_s) << 6) / TFRC_T_MBI);
+		ccid3_update_send_interval(hc);
 	} else {
 		/*
 		 *  Modify the cached value of X_recv
@@ -237,33 +237,32 @@ static void ccid3_hc_tx_no_feedback_timer(unsigned long data)
 		 *
 		 *  Note that X_recv is scaled by 2^6 while X_calc is not
 		 */
-		BUG_ON(hctx->tx_p && !hctx->tx_x_calc);
+		BUG_ON(hc->tx_p && !hc->tx_x_calc);
 
-		if (hctx->tx_x_calc > (hctx->tx_x_recv >> 5))
-			hctx->tx_x_recv =
-				max(hctx->tx_x_recv / 2,
-				    (((__u64)hctx->tx_s) << 6) /
-							      (2 * TFRC_T_MBI));
+		if (hc->tx_x_calc > (hc->tx_x_recv >> 5))
+			hc->tx_x_recv =
+				max(hc->tx_x_recv / 2,
+				    (((__u64)hc->tx_s) << 6) / (2*TFRC_T_MBI));
 		else {
-			hctx->tx_x_recv = hctx->tx_x_calc;
-			hctx->tx_x_recv <<= 4;
+			hc->tx_x_recv = hc->tx_x_calc;
+			hc->tx_x_recv <<= 4;
 		}
 		ccid3_hc_tx_update_x(sk, NULL);
 	}
 	ccid3_pr_debug("Reduced X to %llu/64 bytes/sec\n",
-			(unsigned long long)hctx->tx_x);
+			(unsigned long long)hc->tx_x);
 
 	/*
 	 * Set new timeout for the nofeedback timer.
 	 * See comments in packet_recv() regarding the value of t_RTO.
 	 */
-	if (unlikely(hctx->tx_t_rto == 0))	/* no feedback yet */
+	if (unlikely(hc->tx_t_rto == 0))	/* no feedback yet */
 		t_nfb = TFRC_INITIAL_TIMEOUT;
 	else
-		t_nfb = max(hctx->tx_t_rto, 2 * hctx->tx_t_ipi);
+		t_nfb = max(hc->tx_t_rto, 2 * hc->tx_t_ipi);
 
 restart_timer:
-	sk_reset_timer(sk, &hctx->tx_no_feedback_timer,
+	sk_reset_timer(sk, &hc->tx_no_feedback_timer,
 			   jiffies + usecs_to_jiffies(t_nfb));
 out:
 	bh_unlock_sock(sk);
@@ -279,7 +278,7 @@ out:
 static int ccid3_hc_tx_send_packet(struct sock *sk, struct sk_buff *skb)
 {
 	struct dccp_sock *dp = dccp_sk(sk);
-	struct ccid3_hc_tx_sock *hctx = ccid3_hc_tx_sk(sk);
+	struct ccid3_hc_tx_sock *hc = ccid3_hc_tx_sk(sk);
 	ktime_t now = ktime_get_real();
 	s64 delay;
 
@@ -291,17 +290,17 @@ static int ccid3_hc_tx_send_packet(struct sock *sk, struct sk_buff *skb)
 	if (unlikely(skb->len == 0))
 		return -EBADMSG;
 
-	switch (hctx->tx_state) {
+	switch (hc->tx_state) {
 	case TFRC_SSTATE_NO_SENT:
-		sk_reset_timer(sk, &hctx->tx_no_feedback_timer, (jiffies +
-				usecs_to_jiffies(TFRC_INITIAL_TIMEOUT)));
-		hctx->tx_last_win_count	  = 0;
-		hctx->tx_t_last_win_count = now;
+		sk_reset_timer(sk, &hc->tx_no_feedback_timer, (jiffies +
+			       usecs_to_jiffies(TFRC_INITIAL_TIMEOUT)));
+		hc->tx_last_win_count	= 0;
+		hc->tx_t_last_win_count = now;
 
 		/* Set t_0 for initial packet */
-		hctx->tx_t_nom = now;
+		hc->tx_t_nom = now;
 
-		hctx->tx_s = skb->len;
+		hc->tx_s = skb->len;
 
 		/*
 		 * Use initial RTT sample when available: recommended by erratum
@@ -310,9 +309,9 @@ static int ccid3_hc_tx_send_packet(struct sock *sk, struct sk_buff *skb)
 		 */
 		if (dp->dccps_syn_rtt) {
 			ccid3_pr_debug("SYN RTT = %uus\n", dp->dccps_syn_rtt);
-			hctx->tx_rtt  = dp->dccps_syn_rtt;
-			hctx->tx_x    = rfc3390_initial_rate(sk);
-			hctx->tx_t_ld = now;
+			hc->tx_rtt  = dp->dccps_syn_rtt;
+			hc->tx_x    = rfc3390_initial_rate(sk);
+			hc->tx_t_ld = now;
 		} else {
 			/*
 			 * Sender does not have RTT sample:
@@ -320,17 +319,17 @@ static int ccid3_hc_tx_send_packet(struct sock *sk, struct sk_buff *skb)
 			 *   is needed in several parts (e.g.  window counter);
 			 * - set sending rate X_pps = 1pps as per RFC 3448, 4.2.
 			 */
-			hctx->tx_rtt = DCCP_FALLBACK_RTT;
-			hctx->tx_x   = hctx->tx_s;
-			hctx->tx_x <<= 6;
+			hc->tx_rtt = DCCP_FALLBACK_RTT;
+			hc->tx_x   = hc->tx_s;
+			hc->tx_x <<= 6;
 		}
-		ccid3_update_send_interval(hctx);
+		ccid3_update_send_interval(hc);
 
 		ccid3_hc_tx_set_state(sk, TFRC_SSTATE_NO_FBACK);
 		break;
 	case TFRC_SSTATE_NO_FBACK:
 	case TFRC_SSTATE_FBACK:
-		delay = ktime_us_delta(hctx->tx_t_nom, now);
+		delay = ktime_us_delta(hc->tx_t_nom, now);
 		ccid3_pr_debug("delay=%ld\n", (long)delay);
 		/*
 		 *	Scheduling of packet transmissions [RFC 3448, 4.6]
@@ -340,10 +339,10 @@ static int ccid3_hc_tx_send_packet(struct sock *sk, struct sk_buff *skb)
 		 * else
 		 *       // send the packet in (t_nom - t_now) milliseconds.
 		 */
-		if (delay - (s64)hctx->tx_delta >= 1000)
+		if (delay - (s64)hc->tx_delta >= 1000)
 			return (u32)delay / 1000L;
 
-		ccid3_hc_tx_update_win_count(hctx, now);
+		ccid3_hc_tx_update_win_count(hc, now);
 		break;
 	case TFRC_SSTATE_TERM:
 		DCCP_BUG("%s(%p) - Illegal state TERM", dccp_role(sk), sk);
@@ -352,27 +351,27 @@ static int ccid3_hc_tx_send_packet(struct sock *sk, struct sk_buff *skb)
 
 	/* prepare to send now (add options etc.) */
 	dp->dccps_hc_tx_insert_options = 1;
-	DCCP_SKB_CB(skb)->dccpd_ccval = hctx->tx_last_win_count;
+	DCCP_SKB_CB(skb)->dccpd_ccval  = hc->tx_last_win_count;
 
 	/* set the nominal send time for the next following packet */
-	hctx->tx_t_nom = ktime_add_us(hctx->tx_t_nom, hctx->tx_t_ipi);
+	hc->tx_t_nom = ktime_add_us(hc->tx_t_nom, hc->tx_t_ipi);
 	return 0;
 }
 
 static void ccid3_hc_tx_packet_sent(struct sock *sk, int more,
 				    unsigned int len)
 {
-	struct ccid3_hc_tx_sock *hctx = ccid3_hc_tx_sk(sk);
+	struct ccid3_hc_tx_sock *hc = ccid3_hc_tx_sk(sk);
 
-	ccid3_hc_tx_update_s(hctx, len);
+	ccid3_hc_tx_update_s(hc, len);
 
-	if (tfrc_tx_hist_add(&hctx->tx_hist, dccp_sk(sk)->dccps_gss))
+	if (tfrc_tx_hist_add(&hc->tx_hist, dccp_sk(sk)->dccps_gss))
 		DCCP_CRIT("packet history - out of memory!");
 }
 
 static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
 {
-	struct ccid3_hc_tx_sock *hctx = ccid3_hc_tx_sk(sk);
+	struct ccid3_hc_tx_sock *hc = ccid3_hc_tx_sk(sk);
 	struct ccid3_options_received *opt_recv;
 	ktime_t now;
 	unsigned long t_nfb;
@@ -383,15 +382,15 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
 	      DCCP_SKB_CB(skb)->dccpd_type == DCCP_PKT_DATAACK))
 		return;
 	/* ... and only in the established state */
-	if (hctx->tx_state != TFRC_SSTATE_FBACK &&
-	    hctx->tx_state != TFRC_SSTATE_NO_FBACK)
+	if (hc->tx_state != TFRC_SSTATE_FBACK &&
+	    hc->tx_state != TFRC_SSTATE_NO_FBACK)
 		return;
 
-	opt_recv = &hctx->tx_options_received;
+	opt_recv = &hc->tx_options_received;
 	now = ktime_get_real();
 
 	/* Estimate RTT from history if ACK number is valid */
-	r_sample = tfrc_tx_hist_rtt(hctx->tx_hist,
+	r_sample = tfrc_tx_hist_rtt(hc->tx_hist,
 				    DCCP_SKB_CB(skb)->dccpd_ack_seq, now);
 	if (r_sample == 0) {
 		DCCP_WARN("%s(%p): %s with bogus ACK-%llu\n", dccp_role(sk), sk,
@@ -401,37 +400,37 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
 	}
 
 	/* Update receive rate in units of 64 * bytes/second */
-	hctx->tx_x_recv = opt_recv->ccid3or_receive_rate;
-	hctx->tx_x_recv <<= 6;
+	hc->tx_x_recv = opt_recv->ccid3or_receive_rate;
+	hc->tx_x_recv <<= 6;
 
 	/* Update loss event rate (which is scaled by 1e6) */
 	pinv = opt_recv->ccid3or_loss_event_rate;
 	if (pinv == ~0U || pinv == 0)	       /* see RFC 4342, 8.5   */
-		hctx->tx_p = 0;
+		hc->tx_p = 0;
 	else				       /* can not exceed 100% */
-		hctx->tx_p = scaled_div(1, pinv);
+		hc->tx_p = scaled_div(1, pinv);
 	/*
 	 * Validate new RTT sample and update moving average
 	 */
 	r_sample = dccp_sample_rtt(sk, r_sample);
-	hctx->tx_rtt = tfrc_ewma(hctx->tx_rtt, r_sample, 9);
+	hc->tx_rtt = tfrc_ewma(hc->tx_rtt, r_sample, 9);
 	/*
 	 * Update allowed sending rate X as per draft rfc3448bis-00, 4.2/3
 	 */
-	if (hctx->tx_state == TFRC_SSTATE_NO_FBACK) {
+	if (hc->tx_state == TFRC_SSTATE_NO_FBACK) {
 		ccid3_hc_tx_set_state(sk, TFRC_SSTATE_FBACK);
 
-		if (hctx->tx_t_rto == 0) {
+		if (hc->tx_t_rto == 0) {
 			/*
 			 * Initial feedback packet: Larger Initial Windows (4.2)
 			 */
-			hctx->tx_x    = rfc3390_initial_rate(sk);
-			hctx->tx_t_ld = now;
+			hc->tx_x    = rfc3390_initial_rate(sk);
+			hc->tx_t_ld = now;
 
-			ccid3_update_send_interval(hctx);
+			ccid3_update_send_interval(hc);
 
 			goto done_computing_x;
-		} else if (hctx->tx_p == 0) {
+		} else if (hc->tx_p == 0) {
 			/*
 			 * First feedback after nofeedback timer expiry (4.3)
 			 */
@@ -440,20 +439,20 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
 	}
 
 	/* Update sending rate (step 4 of [RFC 3448, 4.3]) */
-	if (hctx->tx_p > 0)
-		hctx->tx_x_calc = tfrc_calc_x(hctx->tx_s, hctx->tx_rtt, hctx->tx_p);
+	if (hc->tx_p > 0)
+		hc->tx_x_calc = tfrc_calc_x(hc->tx_s, hc->tx_rtt, hc->tx_p);
 	ccid3_hc_tx_update_x(sk, &now);
 
 done_computing_x:
 	ccid3_pr_debug("%s(%p), RTT=%uus (sample=%uus), s=%u, "
 			       "p=%u, X_calc=%u, X_recv=%u, X=%u\n",
-			       dccp_role(sk), sk, hctx->tx_rtt, r_sample,
-			       hctx->tx_s, hctx->tx_p, hctx->tx_x_calc,
-			       (unsigned)(hctx->tx_x_recv >> 6),
-			       (unsigned)(hctx->tx_x >> 6));
+			       dccp_role(sk), sk, hc->tx_rtt, r_sample,
+			       hc->tx_s, hc->tx_p, hc->tx_x_calc,
+			       (unsigned)(hc->tx_x_recv >> 6),
+			       (unsigned)(hc->tx_x >> 6));
 
 	/* unschedule no feedback timer */
-	sk_stop_timer(sk, &hctx->tx_no_feedback_timer);
+	sk_stop_timer(sk, &hc->tx_no_feedback_timer);
 
 	/*
 	 * As we have calculated new ipi, delta, t_nom it is possible
@@ -467,19 +466,19 @@ done_computing_x:
 	 * This can help avoid triggering the nofeedback timer too
 	 * often ('spinning') on LANs with small RTTs.
 	 */
-	hctx->tx_t_rto = max_t(u32, 4 * hctx->tx_rtt, (CONFIG_IP_DCCP_CCID3_RTO *
+	hc->tx_t_rto = max_t(u32, 4 * hc->tx_rtt, (CONFIG_IP_DCCP_CCID3_RTO *
 						       (USEC_PER_SEC / 1000)));
 	/*
 	 * Schedule no feedback timer to expire in
 	 * max(t_RTO, 2 * s/X)  =  max(t_RTO, 2 * t_ipi)
 	 */
-	t_nfb = max(hctx->tx_t_rto, 2 * hctx->tx_t_ipi);
+	t_nfb = max(hc->tx_t_rto, 2 * hc->tx_t_ipi);
 
 	ccid3_pr_debug("%s(%p), Scheduled no feedback timer to "
 		       "expire in %lu jiffies (%luus)\n",
 		       dccp_role(sk), sk, usecs_to_jiffies(t_nfb), t_nfb);
 
-	sk_reset_timer(sk, &hctx->tx_no_feedback_timer,
+	sk_reset_timer(sk, &hc->tx_no_feedback_timer,
 			   jiffies + usecs_to_jiffies(t_nfb));
 }
 
@@ -489,11 +488,11 @@ static int ccid3_hc_tx_parse_options(struct sock *sk, unsigned char option,
 {
 	int rc = 0;
 	const struct dccp_sock *dp = dccp_sk(sk);
-	struct ccid3_hc_tx_sock *hctx = ccid3_hc_tx_sk(sk);
+	struct ccid3_hc_tx_sock *hc = ccid3_hc_tx_sk(sk);
 	struct ccid3_options_received *opt_recv;
 	__be32 opt_val;
 
-	opt_recv = &hctx->tx_options_received;
+	opt_recv = &hc->tx_options_received;
 
 	if (opt_recv->ccid3or_seqno != dp->dccps_gsr) {
 		opt_recv->ccid3or_seqno		     = dp->dccps_gsr;
@@ -547,55 +546,55 @@ static int ccid3_hc_tx_parse_options(struct sock *sk, unsigned char option,
 
 static int ccid3_hc_tx_init(struct ccid *ccid, struct sock *sk)
 {
-	struct ccid3_hc_tx_sock *hctx = ccid_priv(ccid);
+	struct ccid3_hc_tx_sock *hc = ccid_priv(ccid);
 
-	hctx->tx_state = TFRC_SSTATE_NO_SENT;
-	hctx->tx_hist  = NULL;
-	setup_timer(&hctx->tx_no_feedback_timer,
+	hc->tx_state = TFRC_SSTATE_NO_SENT;
+	hc->tx_hist  = NULL;
+	setup_timer(&hc->tx_no_feedback_timer,
 			ccid3_hc_tx_no_feedback_timer, (unsigned long)sk);
 	return 0;
 }
 
 static void ccid3_hc_tx_exit(struct sock *sk)
 {
-	struct ccid3_hc_tx_sock *hctx = ccid3_hc_tx_sk(sk);
+	struct ccid3_hc_tx_sock *hc = ccid3_hc_tx_sk(sk);
 
 	ccid3_hc_tx_set_state(sk, TFRC_SSTATE_TERM);
-	sk_stop_timer(sk, &hctx->tx_no_feedback_timer);
+	sk_stop_timer(sk, &hc->tx_no_feedback_timer);
 
-	tfrc_tx_hist_purge(&hctx->tx_hist);
+	tfrc_tx_hist_purge(&hc->tx_hist);
 }
 
 static void ccid3_hc_tx_get_info(struct sock *sk, struct tcp_info *info)
 {
-	struct ccid3_hc_tx_sock *hctx;
+	struct ccid3_hc_tx_sock *hc;
 
 	/* Listen socks doesn't have a private CCID block */
 	if (sk->sk_state == DCCP_LISTEN)
 		return;
 
-	hctx = ccid3_hc_tx_sk(sk);
-	info->tcpi_rto = hctx->tx_t_rto;
-	info->tcpi_rtt = hctx->tx_rtt;
+	hc = ccid3_hc_tx_sk(sk);
+	info->tcpi_rto = hc->tx_t_rto;
+	info->tcpi_rtt = hc->tx_rtt;
 }
 
 static int ccid3_hc_tx_getsockopt(struct sock *sk, const int optname, int len,
 				  u32 __user *optval, int __user *optlen)
 {
-	const struct ccid3_hc_tx_sock *hctx;
+	const struct ccid3_hc_tx_sock *hc;
 	const void *val;
 
 	/* Listen socks doesn't have a private CCID block */
 	if (sk->sk_state == DCCP_LISTEN)
 		return -EINVAL;
 
-	hctx = ccid3_hc_tx_sk(sk);
+	hc = ccid3_hc_tx_sk(sk);
 	switch (optname) {
 	case DCCP_SOCKOPT_CCID_TX_INFO:
-		if (len < sizeof(hctx->tx_tfrc))
+		if (len < sizeof(hc->tx_tfrc))
 			return -EINVAL;
-		len = sizeof(hctx->tx_tfrc);
-		val = &hctx->tx_tfrc;
+		len = sizeof(hc->tx_tfrc);
+		val = &hc->tx_tfrc;
 		break;
 	default:
 		return -ENOPROTOOPT;
@@ -635,34 +634,34 @@ static const char *ccid3_rx_state_name(enum ccid3_hc_rx_states state)
 static void ccid3_hc_rx_set_state(struct sock *sk,
 				  enum ccid3_hc_rx_states state)
 {
-	struct ccid3_hc_rx_sock *hcrx = ccid3_hc_rx_sk(sk);
-	enum ccid3_hc_rx_states oldstate = hcrx->rx_state;
+	struct ccid3_hc_rx_sock *hc = ccid3_hc_rx_sk(sk);
+	enum ccid3_hc_rx_states oldstate = hc->rx_state;
 
 	ccid3_pr_debug("%s(%p) %-8.8s -> %s\n",
 		       dccp_role(sk), sk, ccid3_rx_state_name(oldstate),
 		       ccid3_rx_state_name(state));
 	WARN_ON(state == oldstate);
-	hcrx->rx_state = state;
+	hc->rx_state = state;
 }
 
 static void ccid3_hc_rx_send_feedback(struct sock *sk,
 				      const struct sk_buff *skb,
 				      enum ccid3_fback_type fbtype)
 {
-	struct ccid3_hc_rx_sock *hcrx = ccid3_hc_rx_sk(sk);
+	struct ccid3_hc_rx_sock *hc = ccid3_hc_rx_sk(sk);
 	struct dccp_sock *dp = dccp_sk(sk);
 	ktime_t now;
 	s64 delta = 0;
 
-	if (unlikely(hcrx->rx_state == TFRC_RSTATE_TERM))
+	if (unlikely(hc->rx_state == TFRC_RSTATE_TERM))
 		return;
 
 	now = ktime_get_real();
 
 	switch (fbtype) {
 	case CCID3_FBACK_INITIAL:
-		hcrx->rx_x_recv = 0;
-		hcrx->rx_pinv   = ~0U;   /* see RFC 4342, 8.5 */
+		hc->rx_x_recv = 0;
+		hc->rx_pinv   = ~0U;   /* see RFC 4342, 8.5 */
 		break;
 	case CCID3_FBACK_PARAM_CHANGE:
 		/*
@@ -675,26 +674,26 @@ static void ccid3_hc_rx_send_feedback(struct sock *sk,
 		 * the number of bytes since last feedback.
 		 * This is a safe fallback, since X is bounded above by X_calc.
 		 */
-		if (hcrx->rx_x_recv > 0)
+		if (hc->rx_x_recv > 0)
 			break;
 		/* fall through */
 	case CCID3_FBACK_PERIODIC:
-		delta = ktime_us_delta(now, hcrx->rx_tstamp_last_feedback);
+		delta = ktime_us_delta(now, hc->rx_tstamp_last_feedback);
 		if (delta <= 0)
 			DCCP_BUG("delta (%ld) <= 0", (long)delta);
 		else
-			hcrx->rx_x_recv = scaled_div32(hcrx->rx_bytes_recv, delta);
+			hc->rx_x_recv = scaled_div32(hc->rx_bytes_recv, delta);
 		break;
 	default:
 		return;
 	}
 
 	ccid3_pr_debug("Interval %ldusec, X_recv=%u, 1/p=%u\n", (long)delta,
-		       hcrx->rx_x_recv, hcrx->rx_pinv);
+		       hc->rx_x_recv, hc->rx_pinv);
 
-	hcrx->rx_tstamp_last_feedback = now;
-	hcrx->rx_last_counter	      = dccp_hdr(skb)->dccph_ccval;
-	hcrx->rx_bytes_recv	      = 0;
+	hc->rx_tstamp_last_feedback = now;
+	hc->rx_last_counter	    = dccp_hdr(skb)->dccph_ccval;
+	hc->rx_bytes_recv	    = 0;
 
 	dp->dccps_hc_rx_insert_options = 1;
 	dccp_send_ack(sk);
@@ -702,19 +701,19 @@ static void ccid3_hc_rx_send_feedback(struct sock *sk,
 
 static int ccid3_hc_rx_insert_options(struct sock *sk, struct sk_buff *skb)
 {
-	const struct ccid3_hc_rx_sock *hcrx;
+	const struct ccid3_hc_rx_sock *hc;
 	__be32 x_recv, pinv;
 
 	if (!(sk->sk_state == DCCP_OPEN || sk->sk_state == DCCP_PARTOPEN))
 		return 0;
 
-	hcrx = ccid3_hc_rx_sk(sk);
+	hc = ccid3_hc_rx_sk(sk);
 
 	if (dccp_packet_without_ack(skb))
 		return 0;
 
-	x_recv = htonl(hcrx->rx_x_recv);
-	pinv   = htonl(hcrx->rx_pinv);
+	x_recv = htonl(hc->rx_x_recv);
+	pinv   = htonl(hc->rx_pinv);
 
 	if (dccp_insert_option(sk, skb, TFRC_OPT_LOSS_EVENT_RATE,
 			       &pinv, sizeof(pinv)) ||
@@ -737,26 +736,26 @@ static int ccid3_hc_rx_insert_options(struct sock *sk, struct sk_buff *skb)
  */
 static u32 ccid3_first_li(struct sock *sk)
 {
-	struct ccid3_hc_rx_sock *hcrx = ccid3_hc_rx_sk(sk);
+	struct ccid3_hc_rx_sock *hc = ccid3_hc_rx_sk(sk);
 	u32 x_recv, p, delta;
 	u64 fval;
 
-	if (hcrx->rx_rtt == 0) {
+	if (hc->rx_rtt == 0) {
 		DCCP_WARN("No RTT estimate available, using fallback RTT\n");
-		hcrx->rx_rtt = DCCP_FALLBACK_RTT;
+		hc->rx_rtt = DCCP_FALLBACK_RTT;
 	}
 
-	delta  = ktime_to_us(net_timedelta(hcrx->rx_tstamp_last_feedback));
-	x_recv = scaled_div32(hcrx->rx_bytes_recv, delta);
+	delta  = ktime_to_us(net_timedelta(hc->rx_tstamp_last_feedback));
+	x_recv = scaled_div32(hc->rx_bytes_recv, delta);
 	if (x_recv == 0) {		/* would also trigger divide-by-zero */
 		DCCP_WARN("X_recv==0\n");
-		if ((x_recv = hcrx->rx_x_recv) == 0) {
+		if ((x_recv = hc->rx_x_recv) == 0) {
 			DCCP_BUG("stored value of X_recv is zero");
 			return ~0U;
 		}
 	}
 
-	fval = scaled_div(hcrx->rx_s, hcrx->rx_rtt);
+	fval = scaled_div(hc->rx_s, hc->rx_rtt);
 	fval = scaled_div32(fval, x_recv);
 	p = tfrc_calc_x_reverse_lookup(fval);
 
@@ -768,17 +767,17 @@ static u32 ccid3_first_li(struct sock *sk)
 
 static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
 {
-	struct ccid3_hc_rx_sock *hcrx = ccid3_hc_rx_sk(sk);
+	struct ccid3_hc_rx_sock *hc = ccid3_hc_rx_sk(sk);
 	enum ccid3_fback_type do_feedback = CCID3_FBACK_NONE;
 	const u64 ndp = dccp_sk(sk)->dccps_options_received.dccpor_ndp;
 	const bool is_data_packet = dccp_data_packet(skb);
 
-	if (unlikely(hcrx->rx_state == TFRC_RSTATE_NO_DATA)) {
+	if (unlikely(hc->rx_state == TFRC_RSTATE_NO_DATA)) {
 		if (is_data_packet) {
 			const u32 payload = skb->len - dccp_hdr(skb)->dccph_doff * 4;
 			do_feedback = CCID3_FBACK_INITIAL;
 			ccid3_hc_rx_set_state(sk, TFRC_RSTATE_DATA);
-			hcrx->rx_s  = payload;
+			hc->rx_s = payload;
 			/*
 			 * Not necessary to update rx_bytes_recv here,
 			 * since X_recv = 0 for the first feedback packet (cf.
@@ -788,7 +787,7 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
 		goto update_records;
 	}
 
-	if (tfrc_rx_hist_duplicate(&hcrx->rx_hist, skb))
+	if (tfrc_rx_hist_duplicate(&hc->rx_hist, skb))
 		return; /* done receiving */
 
 	if (is_data_packet) {
@@ -796,20 +795,20 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
 		/*
 		 * Update moving-average of s and the sum of received payload bytes
 		 */
-		hcrx->rx_s = tfrc_ewma(hcrx->rx_s, payload, 9);
-		hcrx->rx_bytes_recv += payload;
+		hc->rx_s = tfrc_ewma(hc->rx_s, payload, 9);
+		hc->rx_bytes_recv += payload;
 	}
 
 	/*
 	 * Perform loss detection and handle pending losses
 	 */
-	if (tfrc_rx_handle_loss(&hcrx->rx_hist, &hcrx->rx_li_hist,
+	if (tfrc_rx_handle_loss(&hc->rx_hist, &hc->rx_li_hist,
 				skb, ndp, ccid3_first_li, sk)) {
 		do_feedback = CCID3_FBACK_PARAM_CHANGE;
 		goto done_receiving;
 	}
 
-	if (tfrc_rx_hist_loss_pending(&hcrx->rx_hist))
+	if (tfrc_rx_hist_loss_pending(&hc->rx_hist))
 		return; /* done receiving */
 
 	/*
@@ -818,17 +817,17 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
 	if (unlikely(!is_data_packet))
 		goto update_records;
 
-	if (!tfrc_lh_is_initialised(&hcrx->rx_li_hist)) {
-		const u32 sample = tfrc_rx_hist_sample_rtt(&hcrx->rx_hist, skb);
+	if (!tfrc_lh_is_initialised(&hc->rx_li_hist)) {
+		const u32 sample = tfrc_rx_hist_sample_rtt(&hc->rx_hist, skb);
 		/*
 		 * Empty loss history: no loss so far, hence p stays 0.
 		 * Sample RTT values, since an RTT estimate is required for the
 		 * computation of p when the first loss occurs; RFC 3448, 6.3.1.
 		 */
 		if (sample != 0)
-			hcrx->rx_rtt = tfrc_ewma(hcrx->rx_rtt, sample, 9);
+			hc->rx_rtt = tfrc_ewma(hc->rx_rtt, sample, 9);
 
-	} else if (tfrc_lh_update_i_mean(&hcrx->rx_li_hist, skb)) {
+	} else if (tfrc_lh_update_i_mean(&hc->rx_li_hist, skb)) {
 		/*
 		 * Step (3) of [RFC 3448, 6.1]: Recompute I_mean and, if I_mean
 		 * has decreased (resp. p has increased), send feedback now.
@@ -839,11 +838,11 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
 	/*
 	 * Check if the periodic once-per-RTT feedback is due; RFC 4342, 10.3
 	 */
-	if (SUB16(dccp_hdr(skb)->dccph_ccval, hcrx->rx_last_counter) > 3)
+	if (SUB16(dccp_hdr(skb)->dccph_ccval, hc->rx_last_counter) > 3)
 		do_feedback = CCID3_FBACK_PERIODIC;
 
 update_records:
-	tfrc_rx_hist_add_packet(&hcrx->rx_hist, skb, ndp);
+	tfrc_rx_hist_add_packet(&hc->rx_hist, skb, ndp);
 
 done_receiving:
 	if (do_feedback)
@@ -852,41 +851,41 @@ done_receiving:
 
 static int ccid3_hc_rx_init(struct ccid *ccid, struct sock *sk)
 {
-	struct ccid3_hc_rx_sock *hcrx = ccid_priv(ccid);
+	struct ccid3_hc_rx_sock *hc = ccid_priv(ccid);
 
-	hcrx->rx_state = TFRC_RSTATE_NO_DATA;
-	tfrc_lh_init(&hcrx->rx_li_hist);
-	return tfrc_rx_hist_alloc(&hcrx->rx_hist);
+	hc->rx_state = TFRC_RSTATE_NO_DATA;
+	tfrc_lh_init(&hc->rx_li_hist);
+	return tfrc_rx_hist_alloc(&hc->rx_hist);
 }
 
 static void ccid3_hc_rx_exit(struct sock *sk)
 {
-	struct ccid3_hc_rx_sock *hcrx = ccid3_hc_rx_sk(sk);
+	struct ccid3_hc_rx_sock *hc = ccid3_hc_rx_sk(sk);
 
 	ccid3_hc_rx_set_state(sk, TFRC_RSTATE_TERM);
 
-	tfrc_rx_hist_purge(&hcrx->rx_hist);
-	tfrc_lh_cleanup(&hcrx->rx_li_hist);
+	tfrc_rx_hist_purge(&hc->rx_hist);
+	tfrc_lh_cleanup(&hc->rx_li_hist);
 }
 
 static void ccid3_hc_rx_get_info(struct sock *sk, struct tcp_info *info)
 {
-	const struct ccid3_hc_rx_sock *hcrx;
+	const struct ccid3_hc_rx_sock *hc;
 
 	/* Listen socks doesn't have a private CCID block */
 	if (sk->sk_state == DCCP_LISTEN)
 		return;
 
-	hcrx = ccid3_hc_rx_sk(sk);
-	info->tcpi_ca_state = hcrx->rx_state;
+	hc = ccid3_hc_rx_sk(sk);
+	info->tcpi_ca_state = hc->rx_state;
 	info->tcpi_options  |= TCPI_OPT_TIMESTAMPS;
-	info->tcpi_rcv_rtt  = hcrx->rx_rtt;
+	info->tcpi_rcv_rtt  = hc->rx_rtt;
 }
 
 static int ccid3_hc_rx_getsockopt(struct sock *sk, const int optname, int len,
 				  u32 __user *optval, int __user *optlen)
 {
-	const struct ccid3_hc_rx_sock *hcrx;
+	const struct ccid3_hc_rx_sock *hc;
 	struct tfrc_rx_info rx_info;
 	const void *val;
 
@@ -894,15 +893,15 @@ static int ccid3_hc_rx_getsockopt(struct sock *sk, const int optname, int len,
 	if (sk->sk_state == DCCP_LISTEN)
 		return -EINVAL;
 
-	hcrx = ccid3_hc_rx_sk(sk);
+	hc = ccid3_hc_rx_sk(sk);
 	switch (optname) {
 	case DCCP_SOCKOPT_CCID_RX_INFO:
 		if (len < sizeof(rx_info))
 			return -EINVAL;
-		rx_info.tfrcrx_x_recv = hcrx->rx_x_recv;
-		rx_info.tfrcrx_rtt    = hcrx->rx_rtt;
-		rx_info.tfrcrx_p      = hcrx->rx_pinv == 0 ? ~0U :
-					   scaled_div(1, hcrx->rx_pinv);
+		rx_info.tfrcrx_x_recv = hc->rx_x_recv;
+		rx_info.tfrcrx_rtt    = hc->rx_rtt;
+		rx_info.tfrcrx_p      = hc->rx_pinv == 0 ? ~0U :
+					   scaled_div(1, hc->rx_pinv);
 		len = sizeof(rx_info);
 		val = &rx_info;
 		break;
diff --git a/net/dccp/probe.c b/net/dccp/probe.c
index 430d16fd6f5..5e6ec8b9b7b 100644
--- a/net/dccp/probe.c
+++ b/net/dccp/probe.c
@@ -75,20 +75,20 @@ static int jdccp_sendmsg(struct kiocb *iocb, struct sock *sk,
 			 struct msghdr *msg, size_t size)
 {
 	const struct inet_sock *inet = inet_sk(sk);
-	struct ccid3_hc_tx_sock *hctx = NULL;
+	struct ccid3_hc_tx_sock *hc = NULL;
 
 	if (ccid_get_current_tx_ccid(dccp_sk(sk)) == DCCPC_CCID3)
-		hctx = ccid3_hc_tx_sk(sk);
+		hc = ccid3_hc_tx_sk(sk);
 
 	if (port == 0 || ntohs(inet->dport) == port ||
 	    ntohs(inet->sport) == port) {
-		if (hctx)
+		if (hc)
 			printl("%pI4:%u %pI4:%u %d %d %d %d %u %llu %llu %d\n",
 			       &inet->saddr, ntohs(inet->sport),
 			       &inet->daddr, ntohs(inet->dport), size,
-			       hctx->tx_s, hctx->tx_rtt, hctx->tx_p,
-			       hctx->tx_x_calc, hctx->tx_x_recv >> 6,
-			       hctx->tx_x >> 6, hctx->tx_t_ipi);
+			       hc->tx_s, hc->tx_rtt, hc->tx_p,
+			       hc->tx_x_calc, hc->tx_x_recv >> 6,
+			       hc->tx_x >> 6, hc->tx_t_ipi);
 		else
 			printl("%pI4:%u %pI4:%u %d\n",
 			       &inet->saddr, ntohs(inet->sport),
-- 
GitLab


From ffce908246c93b17304c313886d25cfa8aecd1d7 Mon Sep 17 00:00:00 2001
From: Atis Elsts <atis@mikrotik.com>
Date: Wed, 7 Oct 2009 13:55:57 -0700
Subject: [PATCH 0192/1815] net: Add sk_mark route lookup support for IPv4
 listening sockets

Add support for route lookup using sk_mark on IPv4 listening sockets.

Signed-off-by: Atis Elsts <atis@mikrotik.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/inet_connection_sock.c | 1 +
 net/ipv4/syncookies.c           | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 4351ca2cf0b..9139e8f6fdb 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -358,6 +358,7 @@ struct dst_entry *inet_csk_route_req(struct sock *sk,
 	const struct inet_request_sock *ireq = inet_rsk(req);
 	struct ip_options *opt = inet_rsk(req)->opt;
 	struct flowi fl = { .oif = sk->sk_bound_dev_if,
+			    .mark = sk->sk_mark,
 			    .nl_u = { .ip4_u =
 				      { .daddr = ((opt && opt->srr) ?
 						  opt->faddr :
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index a6e0e077ac3..5ec678ad70e 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -333,7 +333,8 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb,
 	 * no easy way to do this.
 	 */
 	{
-		struct flowi fl = { .nl_u = { .ip4_u =
+		struct flowi fl = { .mark = sk->sk_mark,
+				    .nl_u = { .ip4_u =
 					      { .daddr = ((opt && opt->srr) ?
 							  opt->faddr :
 							  ireq->rmt_addr),
-- 
GitLab


From 125a77ed9fbd21d1277f53e9ed6b39ad3d34e613 Mon Sep 17 00:00:00 2001
From: Brian Haley <brian.haley@hp.com>
Date: Wed, 7 Oct 2009 13:57:10 -0700
Subject: [PATCH 0193/1815] IPv6: Fix 6RD build error
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Fix build error introduced in commit fa857afcf - ipv6 sit: 6rd
(IPv6 Rapid Deployment) Support.  Struct in6_addr is the issue.
I'm only seeing this on x86_64 systems, not on 32-bit with same
IPv6 config options, so it could be there's a missing forward
declaration somewhere, but including the correct header file
fixes the problem too.

  CC [M]  net/ipv6/ip6_tunnel.o
In file included from net/ipv6/ip6_tunnel.c:31:
include/linux/if_tunnel.h:59: error: field ‘prefix’ has incomplete type
make[2]: *** [net/ipv6/ip6_tunnel.o] Error 1
make[1]: *** [net/ipv6] Error 2

Signed-off-by: Brian Haley <brian.haley@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/if_tunnel.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/if_tunnel.h b/include/linux/if_tunnel.h
index c53c8e01694..8d76cb4c86f 100644
--- a/include/linux/if_tunnel.h
+++ b/include/linux/if_tunnel.h
@@ -5,6 +5,7 @@
 
 #ifdef __KERNEL__
 #include <linux/ip.h>
+#include <linux/in6.h>
 #endif
 
 #define SIOCGETTUNNEL   (SIOCDEVPRIVATE + 0)
-- 
GitLab


From 86c36ce45dc2e2f022562c6481cd778f4cc381a9 Mon Sep 17 00:00:00 2001
From: Brian Haley <brian.haley@hp.com>
Date: Wed, 7 Oct 2009 13:58:01 -0700
Subject: [PATCH 0194/1815] IPv6: use ipv6_addr_copy() in ip6_route_redirect()

Change ip6_route_redirect() to use ipv6_addr_copy().

Signed-off-by: Brian Haley <brian.haley@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/route.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index d6fe7646a8f..df9432a46ff 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -1471,9 +1471,10 @@ static struct rt6_info *ip6_route_redirect(struct in6_addr *dest,
 				},
 			},
 		},
-		.gateway = *gateway,
 	};
 
+	ipv6_addr_copy(&rdfl.gateway, gateway);
+
 	if (rt6_need_strict(dest))
 		flags |= RT6_LOOKUP_F_IFACE;
 
-- 
GitLab


From b301e82cf8104cfddbe5452ebe625bab49597c64 Mon Sep 17 00:00:00 2001
From: Brian Haley <brian.haley@hp.com>
Date: Wed, 7 Oct 2009 13:58:25 -0700
Subject: [PATCH 0195/1815] IPv6: use ipv6_addr_set_v4mapped()

Might as well use the ipv6_addr_set_v4mapped() inline we created last
year.

Signed-off-by: Brian Haley <brian.haley@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/dccp/ipv6.c           | 12 ++++--------
 net/ipv6/datagram.c       | 24 ++++++++++--------------
 net/ipv6/tcp_ipv6.c       | 12 ++++--------
 net/ipv6/udp.c            |  4 ++--
 net/sunrpc/svcauth_unix.c |  3 +--
 5 files changed, 21 insertions(+), 34 deletions(-)

diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index e48ca5d4565..a2afb553d8b 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -510,11 +510,9 @@ static struct sock *dccp_v6_request_recv_sock(struct sock *sk,
 
 		memcpy(newnp, np, sizeof(struct ipv6_pinfo));
 
-		ipv6_addr_set(&newnp->daddr, 0, 0, htonl(0x0000FFFF),
-			      newinet->daddr);
+		ipv6_addr_set_v4mapped(newinet->daddr, &newnp->daddr);
 
-		ipv6_addr_set(&newnp->saddr, 0, 0, htonl(0x0000FFFF),
-			      newinet->saddr);
+		ipv6_addr_set_v4mapped(newinet->saddr, &newnp->saddr);
 
 		ipv6_addr_copy(&newnp->rcv_saddr, &newnp->saddr);
 
@@ -971,10 +969,8 @@ static int dccp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
 			sk->sk_backlog_rcv = dccp_v6_do_rcv;
 			goto failure;
 		} else {
-			ipv6_addr_set(&np->saddr, 0, 0, htonl(0x0000FFFF),
-				      inet->saddr);
-			ipv6_addr_set(&np->rcv_saddr, 0, 0, htonl(0x0000FFFF),
-				      inet->rcv_saddr);
+			ipv6_addr_set_v4mapped(inet->saddr, &np->saddr);
+			ipv6_addr_set_v4mapped(inet->rcv_saddr, &np->rcv_saddr);
 		}
 
 		return err;
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index a615b4dea6c..dbfec7147aa 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -98,17 +98,14 @@ ipv4_connected:
 		if (err)
 			goto out;
 
-		ipv6_addr_set(&np->daddr, 0, 0, htonl(0x0000ffff), inet->daddr);
+		ipv6_addr_set_v4mapped(inet->daddr, &np->daddr);
 
-		if (ipv6_addr_any(&np->saddr)) {
-			ipv6_addr_set(&np->saddr, 0, 0, htonl(0x0000ffff),
-				      inet->saddr);
-		}
+		if (ipv6_addr_any(&np->saddr))
+			ipv6_addr_set_v4mapped(inet->saddr, &np->saddr);
+
+		if (ipv6_addr_any(&np->rcv_saddr))
+			ipv6_addr_set_v4mapped(inet->rcv_saddr, &np->rcv_saddr);
 
-		if (ipv6_addr_any(&np->rcv_saddr)) {
-			ipv6_addr_set(&np->rcv_saddr, 0, 0, htonl(0x0000ffff),
-				      inet->rcv_saddr);
-		}
 		goto out;
 	}
 
@@ -330,9 +327,8 @@ int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len)
 			if (ipv6_addr_type(&sin->sin6_addr) & IPV6_ADDR_LINKLOCAL)
 				sin->sin6_scope_id = IP6CB(skb)->iif;
 		} else {
-			ipv6_addr_set(&sin->sin6_addr, 0, 0,
-				      htonl(0xffff),
-				      *(__be32 *)(nh + serr->addr_offset));
+			ipv6_addr_set_v4mapped(*(__be32 *)(nh + serr->addr_offset),
+					       &sin->sin6_addr);
 		}
 	}
 
@@ -352,8 +348,8 @@ int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len)
 		} else {
 			struct inet_sock *inet = inet_sk(sk);
 
-			ipv6_addr_set(&sin->sin6_addr, 0, 0,
-				      htonl(0xffff), ip_hdr(skb)->saddr);
+			ipv6_addr_set_v4mapped(ip_hdr(skb)->saddr,
+					       &sin->sin6_addr);
 			if (inet->cmsg_flags)
 				ip_cmsg_recv(msg, skb);
 		}
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 321aafd40dc..45176305914 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -226,10 +226,8 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
 #endif
 			goto failure;
 		} else {
-			ipv6_addr_set(&np->saddr, 0, 0, htonl(0x0000FFFF),
-				      inet->saddr);
-			ipv6_addr_set(&np->rcv_saddr, 0, 0, htonl(0x0000FFFF),
-				      inet->rcv_saddr);
+			ipv6_addr_set_v4mapped(inet->saddr, &np->saddr);
+			ipv6_addr_set_v4mapped(inet->rcv_saddr, &np->rcv_saddr);
 		}
 
 		return err;
@@ -1293,11 +1291,9 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
 
 		memcpy(newnp, np, sizeof(struct ipv6_pinfo));
 
-		ipv6_addr_set(&newnp->daddr, 0, 0, htonl(0x0000FFFF),
-			      newinet->daddr);
+		ipv6_addr_set_v4mapped(newinet->daddr, &newnp->daddr);
 
-		ipv6_addr_set(&newnp->saddr, 0, 0, htonl(0x0000FFFF),
-			      newinet->saddr);
+		ipv6_addr_set_v4mapped(newinet->saddr, &newnp->saddr);
 
 		ipv6_addr_copy(&newnp->rcv_saddr, &newnp->saddr);
 
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 3842c557d6f..c6a303ec834 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -265,8 +265,8 @@ try_again:
 		sin6->sin6_scope_id = 0;
 
 		if (is_udp4)
-			ipv6_addr_set(&sin6->sin6_addr, 0, 0,
-				      htonl(0xffff), ip_hdr(skb)->saddr);
+			ipv6_addr_set_v4mapped(ip_hdr(skb)->saddr,
+					       &sin6->sin6_addr);
 		else {
 			ipv6_addr_copy(&sin6->sin6_addr,
 				       &ipv6_hdr(skb)->saddr);
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index 117f68a8aa4..f4c7ff3a53e 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -686,8 +686,7 @@ svcauth_unix_set_client(struct svc_rqst *rqstp)
 	case AF_INET:
 		sin = svc_addr_in(rqstp);
 		sin6 = &sin6_storage;
-		ipv6_addr_set(&sin6->sin6_addr, 0, 0,
-				htonl(0x0000FFFF), sin->sin_addr.s_addr);
+		ipv6_addr_set_v4mapped(sin->sin_addr.s_addr, &sin6->sin6_addr);
 		break;
 	case AF_INET6:
 		sin6 = svc_addr_in6(rqstp);
-- 
GitLab


From 3c6aaa24613cbd56f853363e3ce00091a9d2eac8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicolas=20de=20Peslo=C3=BCan?= <nicolas.2p.debian@free.fr>
Date: Wed, 7 Oct 2009 14:10:36 -0700
Subject: [PATCH 0196/1815] bonding: fix a parameter name in error message
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

When parsing module parameters, bond_check_params() erroneously use
'xor_mode' as the name of a module parameter in an error message.

The right name for this parameter is 'xmit_hash_policy'.

Signed-off-by: Nicolas de Pesloüan <nicolas.2p.debian@free.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bonding/bond_main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 19d57d537ec..05877cb182e 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -4706,7 +4706,8 @@ static int bond_check_params(struct bond_params *params)
 		if ((bond_mode != BOND_MODE_XOR) &&
 		    (bond_mode != BOND_MODE_8023AD)) {
 			pr_info(DRV_NAME
-			       ": xor_mode param is irrelevant in mode %s\n",
+				": xmit_hash_policy param is irrelevant in"
+				" mode %s\n",
 			       bond_mode_name(bond_mode));
 		} else {
 			xmit_hashtype = bond_parse_parm(xmit_hash_policy,
-- 
GitLab


From 49b4ad92d1a5bb9909deb3216ffec6f0febc7b71 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicolas=20de=20Peslo=C3=BCan?= <nicolas.2p.debian@free.fr>
Date: Wed, 7 Oct 2009 14:11:00 -0700
Subject: [PATCH 0197/1815] bonding: remove useless assignment
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The variable old_active is first set to bond->curr_active_slave.
Then, it is unconditionally set to new_active, without being used in between.

The first assignment, having no side effect, is useless.

Signed-off-by: Nicolas de Pesloüan <nicolas.2p.debian@free.fr>
Reviewed-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bonding/bond_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 05877cb182e..ef6af1cb7d3 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1119,7 +1119,7 @@ static struct slave *bond_find_best_slave(struct bonding *bond)
 	int mintime = bond->params.updelay;
 	int i;
 
-	new_active = old_active = bond->curr_active_slave;
+	new_active = bond->curr_active_slave;
 
 	if (!new_active) { /* there were no active slaves left */
 		if (bond->slave_cnt > 0)   /* found one slave */
-- 
GitLab


From 9e8342971d44ce86d8567047f5366fc1c06a75ed Mon Sep 17 00:00:00 2001
From: Hagen Paul Pfeifer <hagen@jauu.net>
Date: Wed, 7 Oct 2009 14:43:04 -0700
Subject: [PATCH 0198/1815] econet: Fix redeclaration of symbol len

Function argument len was redeclarated within the
function. This patch fix the redeclaration of symbol 'len'.

Signed-off-by: Hagen Paul Pfeifer <hagen@jauu.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/econet/af_econet.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c
index 6529be3a18b..5e9426a11c3 100644
--- a/net/econet/af_econet.c
+++ b/net/econet/af_econet.c
@@ -457,15 +457,15 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
 	iov[0].iov_len = size;
 	for (i = 0; i < msg->msg_iovlen; i++) {
 		void __user *base = msg->msg_iov[i].iov_base;
-		size_t len = msg->msg_iov[i].iov_len;
+		size_t iov_len = msg->msg_iov[i].iov_len;
 		/* Check it now since we switch to KERNEL_DS later. */
-		if (!access_ok(VERIFY_READ, base, len)) {
+		if (!access_ok(VERIFY_READ, base, iov_len)) {
 			mutex_unlock(&econet_mutex);
 			return -EFAULT;
 		}
 		iov[i+1].iov_base = base;
-		iov[i+1].iov_len = len;
-		size += len;
+		iov[i+1].iov_len = iov_len;
+		size += iov_len;
 	}
 
 	/* Get a skbuff (no data, just holds our cb information) */
-- 
GitLab


From 4b17d50f9e9034be3fe0414dc3492c0071dba75c Mon Sep 17 00:00:00 2001
From: Hagen Paul Pfeifer <hagen@jauu.net>
Date: Wed, 7 Oct 2009 14:45:58 -0700
Subject: [PATCH 0199/1815] ipv4: Define cipso_v4_delopt static

There is no reason that cipso_v4_delopt() is not
defined as a static function.

Signed-off-by: Hagen Paul Pfeifer <hagen@jauu.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/cipso_ipv4.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c
index 039cc1ffe97..1e029dc7545 100644
--- a/net/ipv4/cipso_ipv4.c
+++ b/net/ipv4/cipso_ipv4.c
@@ -2017,7 +2017,7 @@ req_setattr_failure:
  * values on failure.
  *
  */
-int cipso_v4_delopt(struct ip_options **opt_ptr)
+static int cipso_v4_delopt(struct ip_options **opt_ptr)
 {
 	int hdr_delta = 0;
 	struct ip_options *opt = *opt_ptr;
-- 
GitLab


From 8a6dfd43d1891882f8ca05d73aa7735fb0edae3b Mon Sep 17 00:00:00 2001
From: Alexandre Cassen <acassen@freebox.fr>
Date: Wed, 7 Oct 2009 14:50:30 -0700
Subject: [PATCH 0200/1815] IPv6: Fix 6RD typo

Following fix a small typo.

Signed-off-by: Alexandre Cassen <acassen@freebox.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv6/Kconfig b/net/ipv6/Kconfig
index f5619982745..a578096152a 100644
--- a/net/ipv6/Kconfig
+++ b/net/ipv6/Kconfig
@@ -171,7 +171,7 @@ config IPV6_SIT
 	  Saying M here will produce a module called sit. If unsure, say Y.
 
 config IPV6_SIT_6RD
-	bool "IPv6: IPv6 Rapid Development (6RD) (EXPERIMENTAL)"
+	bool "IPv6: IPv6 Rapid Deployment (6RD) (EXPERIMENTAL)"
 	depends on IPV6_SIT && EXPERIMENTAL
 	default n
 	---help---
-- 
GitLab


From f86dcc5aa8c7908f2c287e7a211228df599e3e71 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 7 Oct 2009 00:37:59 +0000
Subject: [PATCH 0201/1815] udp: dynamically size hash tables at boot time

UDP_HTABLE_SIZE was initialy defined to 128, which is a bit small for
several setups.

4000 active UDP sockets -> 32 sockets per chain in average. An
incoming frame has to lookup all sockets to find best match, so long
chains hurt latency.

Instead of a fixed size hash table that cant be perfect for every
needs, let UDP stack choose its table size at boot time like tcp/ip
route, using alloc_large_system_hash() helper

Add an optional boot parameter, uhash_entries=x so that an admin can
force a size between 256 and 65536 if needed, like thash_entries and
rhash_entries.

dmesg logs two new lines :
[    0.647039] UDP hash table entries: 512 (order: 0, 4096 bytes)
[    0.647099] UDP Lite hash table entries: 512 (order: 0, 4096 bytes)

Maximal size on 64bit arches would be 65536 slots, ie 1 MBytes for non
debugging spinlocks.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 Documentation/kernel-parameters.txt |  3 +
 include/linux/udp.h                 |  6 +-
 include/net/udp.h                   | 13 ++++-
 net/ipv4/udp.c                      | 91 +++++++++++++++++++++--------
 net/ipv4/udplite.c                  |  4 +-
 net/ipv6/udp.c                      |  6 +-
 6 files changed, 87 insertions(+), 36 deletions(-)

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 6fa7292947e..02df20be776 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2589,6 +2589,9 @@ and is between 256 and 4096 characters. It is defined in the file
 	uart6850=	[HW,OSS]
 			Format: <io>,<irq>
 
+	uhash_entries=	[KNL,NET]
+			Set number of hash buckets for UDP/UDP-Lite connections
+
 	uhci-hcd.ignore_oc=
 			[USB] Ignore overcurrent events (default N).
 			Some badly-designed motherboards generate lots of
diff --git a/include/linux/udp.h b/include/linux/udp.h
index 0cf5c4c0ec8..832361e3e59 100644
--- a/include/linux/udp.h
+++ b/include/linux/udp.h
@@ -45,11 +45,11 @@ static inline struct udphdr *udp_hdr(const struct sk_buff *skb)
 	return (struct udphdr *)skb_transport_header(skb);
 }
 
-#define UDP_HTABLE_SIZE		128
+#define UDP_HTABLE_SIZE_MIN		(CONFIG_BASE_SMALL ? 128 : 256)
 
-static inline int udp_hashfn(struct net *net, const unsigned num)
+static inline int udp_hashfn(struct net *net, unsigned num, unsigned mask)
 {
-	return (num + net_hash_mix(net)) & (UDP_HTABLE_SIZE - 1);
+	return (num + net_hash_mix(net)) & mask;
 }
 
 struct udp_sock {
diff --git a/include/net/udp.h b/include/net/udp.h
index f98abd2ce70..22aa2e7eb1d 100644
--- a/include/net/udp.h
+++ b/include/net/udp.h
@@ -54,12 +54,19 @@ struct udp_hslot {
 	struct hlist_nulls_head	head;
 	spinlock_t		lock;
 } __attribute__((aligned(2 * sizeof(long))));
+
 struct udp_table {
-	struct udp_hslot	hash[UDP_HTABLE_SIZE];
+	struct udp_hslot	*hash;
+	unsigned int mask;
+	unsigned int log;
 };
 extern struct udp_table udp_table;
-extern void udp_table_init(struct udp_table *);
-
+extern void udp_table_init(struct udp_table *, const char *);
+static inline struct udp_hslot *udp_hashslot(struct udp_table *table,
+					     struct net *net, unsigned num)
+{
+	return &table->hash[udp_hashfn(net, num, table->mask)];
+}
 
 /* Note: this must match 'valbool' in sock_setsockopt */
 #define UDP_CSUM_NOXMIT		1
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 6ec6a8a4a22..194bcdc6d9f 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -106,7 +106,7 @@
 #include <net/xfrm.h>
 #include "udp_impl.h"
 
-struct udp_table udp_table;
+struct udp_table udp_table __read_mostly;
 EXPORT_SYMBOL(udp_table);
 
 int sysctl_udp_mem[3] __read_mostly;
@@ -121,14 +121,16 @@ EXPORT_SYMBOL(sysctl_udp_wmem_min);
 atomic_t udp_memory_allocated;
 EXPORT_SYMBOL(udp_memory_allocated);
 
-#define PORTS_PER_CHAIN (65536 / UDP_HTABLE_SIZE)
+#define MAX_UDP_PORTS 65536
+#define PORTS_PER_CHAIN (MAX_UDP_PORTS / UDP_HTABLE_SIZE_MIN)
 
 static int udp_lib_lport_inuse(struct net *net, __u16 num,
 			       const struct udp_hslot *hslot,
 			       unsigned long *bitmap,
 			       struct sock *sk,
 			       int (*saddr_comp)(const struct sock *sk1,
-						 const struct sock *sk2))
+						 const struct sock *sk2),
+			       unsigned int log)
 {
 	struct sock *sk2;
 	struct hlist_nulls_node *node;
@@ -142,8 +144,7 @@ static int udp_lib_lport_inuse(struct net *net, __u16 num,
 			|| sk2->sk_bound_dev_if == sk->sk_bound_dev_if) &&
 		    (*saddr_comp)(sk, sk2)) {
 			if (bitmap)
-				__set_bit(sk2->sk_hash / UDP_HTABLE_SIZE,
-					  bitmap);
+				__set_bit(sk2->sk_hash >> log, bitmap);
 			else
 				return 1;
 		}
@@ -180,13 +181,15 @@ int udp_lib_get_port(struct sock *sk, unsigned short snum,
 		/*
 		 * force rand to be an odd multiple of UDP_HTABLE_SIZE
 		 */
-		rand = (rand | 1) * UDP_HTABLE_SIZE;
-		for (last = first + UDP_HTABLE_SIZE; first != last; first++) {
-			hslot = &udptable->hash[udp_hashfn(net, first)];
+		rand = (rand | 1) * (udptable->mask + 1);
+		for (last = first + udptable->mask + 1;
+		     first != last;
+		     first++) {
+			hslot = udp_hashslot(udptable, net, first);
 			bitmap_zero(bitmap, PORTS_PER_CHAIN);
 			spin_lock_bh(&hslot->lock);
 			udp_lib_lport_inuse(net, snum, hslot, bitmap, sk,
-					    saddr_comp);
+					    saddr_comp, udptable->log);
 
 			snum = first;
 			/*
@@ -196,7 +199,7 @@ int udp_lib_get_port(struct sock *sk, unsigned short snum,
 			 */
 			do {
 				if (low <= snum && snum <= high &&
-				    !test_bit(snum / UDP_HTABLE_SIZE, bitmap))
+				    !test_bit(snum >> udptable->log, bitmap))
 					goto found;
 				snum += rand;
 			} while (snum != first);
@@ -204,9 +207,10 @@ int udp_lib_get_port(struct sock *sk, unsigned short snum,
 		}
 		goto fail;
 	} else {
-		hslot = &udptable->hash[udp_hashfn(net, snum)];
+		hslot = udp_hashslot(udptable, net, snum);
 		spin_lock_bh(&hslot->lock);
-		if (udp_lib_lport_inuse(net, snum, hslot, NULL, sk, saddr_comp))
+		if (udp_lib_lport_inuse(net, snum, hslot, NULL, sk,
+					saddr_comp, 0))
 			goto fail_unlock;
 	}
 found:
@@ -283,7 +287,7 @@ static struct sock *__udp4_lib_lookup(struct net *net, __be32 saddr,
 	struct sock *sk, *result;
 	struct hlist_nulls_node *node;
 	unsigned short hnum = ntohs(dport);
-	unsigned int hash = udp_hashfn(net, hnum);
+	unsigned int hash = udp_hashfn(net, hnum, udptable->mask);
 	struct udp_hslot *hslot = &udptable->hash[hash];
 	int score, badness;
 
@@ -1013,8 +1017,8 @@ void udp_lib_unhash(struct sock *sk)
 {
 	if (sk_hashed(sk)) {
 		struct udp_table *udptable = sk->sk_prot->h.udp_table;
-		unsigned int hash = udp_hashfn(sock_net(sk), sk->sk_hash);
-		struct udp_hslot *hslot = &udptable->hash[hash];
+		struct udp_hslot *hslot = udp_hashslot(udptable, sock_net(sk),
+						     sk->sk_hash);
 
 		spin_lock_bh(&hslot->lock);
 		if (sk_nulls_del_node_init_rcu(sk)) {
@@ -1169,7 +1173,7 @@ static int __udp4_lib_mcast_deliver(struct net *net, struct sk_buff *skb,
 				    struct udp_table *udptable)
 {
 	struct sock *sk;
-	struct udp_hslot *hslot = &udptable->hash[udp_hashfn(net, ntohs(uh->dest))];
+	struct udp_hslot *hslot = udp_hashslot(udptable, net, ntohs(uh->dest));
 	int dif;
 
 	spin_lock(&hslot->lock);
@@ -1609,9 +1613,14 @@ static struct sock *udp_get_first(struct seq_file *seq, int start)
 	struct udp_iter_state *state = seq->private;
 	struct net *net = seq_file_net(seq);
 
-	for (state->bucket = start; state->bucket < UDP_HTABLE_SIZE; ++state->bucket) {
+	for (state->bucket = start; state->bucket <= state->udp_table->mask;
+	     ++state->bucket) {
 		struct hlist_nulls_node *node;
 		struct udp_hslot *hslot = &state->udp_table->hash[state->bucket];
+
+		if (hlist_nulls_empty(&hslot->head))
+			continue;
+
 		spin_lock_bh(&hslot->lock);
 		sk_nulls_for_each(sk, node, &hslot->head) {
 			if (!net_eq(sock_net(sk), net))
@@ -1636,7 +1645,7 @@ static struct sock *udp_get_next(struct seq_file *seq, struct sock *sk)
 	} while (sk && (!net_eq(sock_net(sk), net) || sk->sk_family != state->family));
 
 	if (!sk) {
-		if (state->bucket < UDP_HTABLE_SIZE)
+		if (state->bucket <= state->udp_table->mask)
 			spin_unlock_bh(&state->udp_table->hash[state->bucket].lock);
 		return udp_get_first(seq, state->bucket + 1);
 	}
@@ -1656,7 +1665,7 @@ static struct sock *udp_get_idx(struct seq_file *seq, loff_t pos)
 static void *udp_seq_start(struct seq_file *seq, loff_t *pos)
 {
 	struct udp_iter_state *state = seq->private;
-	state->bucket = UDP_HTABLE_SIZE;
+	state->bucket = MAX_UDP_PORTS;
 
 	return *pos ? udp_get_idx(seq, *pos-1) : SEQ_START_TOKEN;
 }
@@ -1678,7 +1687,7 @@ static void udp_seq_stop(struct seq_file *seq, void *v)
 {
 	struct udp_iter_state *state = seq->private;
 
-	if (state->bucket < UDP_HTABLE_SIZE)
+	if (state->bucket <= state->udp_table->mask)
 		spin_unlock_bh(&state->udp_table->hash[state->bucket].lock);
 }
 
@@ -1738,7 +1747,7 @@ static void udp4_format_sock(struct sock *sp, struct seq_file *f,
 	__u16 destp	  = ntohs(inet->dport);
 	__u16 srcp	  = ntohs(inet->sport);
 
-	seq_printf(f, "%4d: %08X:%04X %08X:%04X"
+	seq_printf(f, "%5d: %08X:%04X %08X:%04X"
 		" %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d%n",
 		bucket, src, srcp, dest, destp, sp->sk_state,
 		sk_wmem_alloc_get(sp),
@@ -1804,11 +1813,43 @@ void udp4_proc_exit(void)
 }
 #endif /* CONFIG_PROC_FS */
 
-void __init udp_table_init(struct udp_table *table)
+static __initdata unsigned long uhash_entries;
+static int __init set_uhash_entries(char *str)
 {
-	int i;
+	if (!str)
+		return 0;
+	uhash_entries = simple_strtoul(str, &str, 0);
+	if (uhash_entries && uhash_entries < UDP_HTABLE_SIZE_MIN)
+		uhash_entries = UDP_HTABLE_SIZE_MIN;
+	return 1;
+}
+__setup("uhash_entries=", set_uhash_entries);
 
-	for (i = 0; i < UDP_HTABLE_SIZE; i++) {
+void __init udp_table_init(struct udp_table *table, const char *name)
+{
+	unsigned int i;
+
+	if (!CONFIG_BASE_SMALL)
+		table->hash = alloc_large_system_hash(name,
+			sizeof(struct udp_hslot),
+			uhash_entries,
+			21, /* one slot per 2 MB */
+			0,
+			&table->log,
+			&table->mask,
+			64 * 1024);
+	/*
+	 * Make sure hash table has the minimum size
+	 */
+	if (CONFIG_BASE_SMALL || table->mask < UDP_HTABLE_SIZE_MIN - 1) {
+		table->hash = kmalloc(UDP_HTABLE_SIZE_MIN *
+				      sizeof(struct udp_hslot), GFP_KERNEL);
+		if (!table->hash)
+			panic(name);
+		table->log = ilog2(UDP_HTABLE_SIZE_MIN);
+		table->mask = UDP_HTABLE_SIZE_MIN - 1;
+	}
+	for (i = 0; i <= table->mask; i++) {
 		INIT_HLIST_NULLS_HEAD(&table->hash[i].head, i);
 		spin_lock_init(&table->hash[i].lock);
 	}
@@ -1818,7 +1859,7 @@ void __init udp_init(void)
 {
 	unsigned long nr_pages, limit;
 
-	udp_table_init(&udp_table);
+	udp_table_init(&udp_table, "UDP");
 	/* Set the pressure threshold up by the same strategy of TCP. It is a
 	 * fraction of global memory that is up to 1/2 at 256 MB, decreasing
 	 * toward zero with the amount of memory, with a floor of 128 pages.
diff --git a/net/ipv4/udplite.c b/net/ipv4/udplite.c
index 95248d7f75e..470c504b955 100644
--- a/net/ipv4/udplite.c
+++ b/net/ipv4/udplite.c
@@ -12,7 +12,7 @@
  */
 #include "udp_impl.h"
 
-struct udp_table 	udplite_table;
+struct udp_table 	udplite_table __read_mostly;
 EXPORT_SYMBOL(udplite_table);
 
 static int udplite_rcv(struct sk_buff *skb)
@@ -110,7 +110,7 @@ static inline int udplite4_proc_init(void)
 
 void __init udplite4_register(void)
 {
-	udp_table_init(&udplite_table);
+	udp_table_init(&udplite_table, "UDP-Lite");
 	if (proto_register(&udplite_prot, 1))
 		goto out_register_err;
 
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index c6a303ec834..ff778c172ef 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -132,7 +132,7 @@ static struct sock *__udp6_lib_lookup(struct net *net,
 	struct sock *sk, *result;
 	struct hlist_nulls_node *node;
 	unsigned short hnum = ntohs(dport);
-	unsigned int hash = udp_hashfn(net, hnum);
+	unsigned int hash = udp_hashfn(net, hnum, udptable->mask);
 	struct udp_hslot *hslot = &udptable->hash[hash];
 	int score, badness;
 
@@ -452,7 +452,7 @@ static int __udp6_lib_mcast_deliver(struct net *net, struct sk_buff *skb,
 {
 	struct sock *sk, *sk2;
 	const struct udphdr *uh = udp_hdr(skb);
-	struct udp_hslot *hslot = &udptable->hash[udp_hashfn(net, ntohs(uh->dest))];
+	struct udp_hslot *hslot = udp_hashslot(udptable, net, ntohs(uh->dest));
 	int dif;
 
 	spin_lock(&hslot->lock);
@@ -1197,7 +1197,7 @@ static void udp6_sock_seq_show(struct seq_file *seq, struct sock *sp, int bucket
 	destp = ntohs(inet->dport);
 	srcp  = ntohs(inet->sport);
 	seq_printf(seq,
-		   "%4d: %08X%08X%08X%08X:%04X %08X%08X%08X%08X:%04X "
+		   "%5d: %08X%08X%08X%08X:%04X %08X%08X%08X%08X:%04X "
 		   "%02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d\n",
 		   bucket,
 		   src->s6_addr32[0], src->s6_addr32[1],
-- 
GitLab


From d9f5950f90292f7cc42834338dfd5f44dc4cc4ca Mon Sep 17 00:00:00 2001
From: Sridhar Samudrala <sri@us.ibm.com>
Date: Wed, 7 Oct 2009 12:24:25 +0000
Subject: [PATCH 0202/1815] net: Make UFO on master device independent of
 attached devices

Now that software UFO is supported, UFO can be enabled on master
devices like bridge, bond even though the attached device doesn't
support this feature in hardware.

This allows UFO to be used between KVM host and guest even when a
physical interface attached to the bridge doesn't support UFO.

Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/dev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/core/dev.c b/net/core/dev.c
index a74c8fd6955..510ff205d5d 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5489,7 +5489,7 @@ unsigned long netdev_increment_features(unsigned long all, unsigned long one,
 	one |= NETIF_F_ALL_CSUM;
 
 	one |= all & NETIF_F_ONE_FOR_ALL;
-	all &= one | NETIF_F_LLTX | NETIF_F_GSO;
+	all &= one | NETIF_F_LLTX | NETIF_F_GSO | NETIF_F_UFO;
 	all |= one & mask & NETIF_F_ONE_FOR_ALL;
 
 	return all;
-- 
GitLab


From 72dad218f872dbd53f5dc5df9df45709e4b77870 Mon Sep 17 00:00:00 2001
From: Sridhar Samudrala <sri@us.ibm.com>
Date: Wed, 7 Oct 2009 12:41:17 +0000
Subject: [PATCH 0203/1815] bridge: Allow enable/disable UFO on bridge device
 via ethtool

Allow enable/disable UFO on bridge device via ethtool

Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/bridge/br_device.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index 07a07770c8b..1a99c4e04e8 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -157,6 +157,7 @@ static const struct ethtool_ops br_ethtool_ops = {
 	.get_tso	= ethtool_op_get_tso,
 	.set_tso	= br_set_tso,
 	.get_ufo	= ethtool_op_get_ufo,
+	.set_ufo	= ethtool_op_set_ufo,
 	.get_flags	= ethtool_op_get_flags,
 };
 
-- 
GitLab


From 7274c20f7b6a7bd6e3e8441e1727bf9cfd8235bb Mon Sep 17 00:00:00 2001
From: Ajit Khaparde <ajitkhaparde@gmail.com>
Date: Wed, 7 Oct 2009 02:44:26 +0000
Subject: [PATCH 0204/1815] e1000e: Use the instance of net_device_stats from
 net_device.

Since net_device has an instance of net_device_stats,
we can remove the instance of this from the private adapter structure.

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/e1000.h   |  1 -
 drivers/net/e1000e/ethtool.c | 18 ++++++++-------
 drivers/net/e1000e/netdev.c  | 43 ++++++++++++++++++------------------
 3 files changed, 31 insertions(+), 31 deletions(-)

diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h
index 981936c1fb4..1211df9ae88 100644
--- a/drivers/net/e1000e/e1000.h
+++ b/drivers/net/e1000e/e1000.h
@@ -315,7 +315,6 @@ struct e1000_adapter {
 	/* OS defined structs */
 	struct net_device *netdev;
 	struct pci_dev *pdev;
-	struct net_device_stats net_stats;
 
 	/* structs defined in e1000_hw.h */
 	struct e1000_hw hw;
diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c
index 1bf4d2a5d34..8a78a143e59 100644
--- a/drivers/net/e1000e/ethtool.c
+++ b/drivers/net/e1000e/ethtool.c
@@ -43,6 +43,8 @@ struct e1000_stats {
 
 #define E1000_STAT(m) sizeof(((struct e1000_adapter *)0)->m), \
 		      offsetof(struct e1000_adapter, m)
+#define E1000_NETDEV_STAT(m) sizeof(((struct net_device *)0)->m), \
+		      offsetof(struct net_device, m)
 static const struct e1000_stats e1000_gstrings_stats[] = {
 	{ "rx_packets", E1000_STAT(stats.gprc) },
 	{ "tx_packets", E1000_STAT(stats.gptc) },
@@ -52,21 +54,21 @@ static const struct e1000_stats e1000_gstrings_stats[] = {
 	{ "tx_broadcast", E1000_STAT(stats.bptc) },
 	{ "rx_multicast", E1000_STAT(stats.mprc) },
 	{ "tx_multicast", E1000_STAT(stats.mptc) },
-	{ "rx_errors", E1000_STAT(net_stats.rx_errors) },
-	{ "tx_errors", E1000_STAT(net_stats.tx_errors) },
-	{ "tx_dropped", E1000_STAT(net_stats.tx_dropped) },
+	{ "rx_errors", E1000_NETDEV_STAT(stats.rx_errors) },
+	{ "tx_errors", E1000_NETDEV_STAT(stats.tx_errors) },
+	{ "tx_dropped", E1000_NETDEV_STAT(stats.tx_dropped) },
 	{ "multicast", E1000_STAT(stats.mprc) },
 	{ "collisions", E1000_STAT(stats.colc) },
-	{ "rx_length_errors", E1000_STAT(net_stats.rx_length_errors) },
-	{ "rx_over_errors", E1000_STAT(net_stats.rx_over_errors) },
+	{ "rx_length_errors", E1000_NETDEV_STAT(stats.rx_length_errors) },
+	{ "rx_over_errors", E1000_NETDEV_STAT(stats.rx_over_errors) },
 	{ "rx_crc_errors", E1000_STAT(stats.crcerrs) },
-	{ "rx_frame_errors", E1000_STAT(net_stats.rx_frame_errors) },
+	{ "rx_frame_errors", E1000_NETDEV_STAT(stats.rx_frame_errors) },
 	{ "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
 	{ "rx_missed_errors", E1000_STAT(stats.mpc) },
 	{ "tx_aborted_errors", E1000_STAT(stats.ecol) },
 	{ "tx_carrier_errors", E1000_STAT(stats.tncrs) },
-	{ "tx_fifo_errors", E1000_STAT(net_stats.tx_fifo_errors) },
-	{ "tx_heartbeat_errors", E1000_STAT(net_stats.tx_heartbeat_errors) },
+	{ "tx_fifo_errors", E1000_NETDEV_STAT(stats.tx_fifo_errors) },
+	{ "tx_heartbeat_errors", E1000_NETDEV_STAT(stats.tx_heartbeat_errors) },
 	{ "tx_window_errors", E1000_STAT(stats.latecol) },
 	{ "tx_abort_late_coll", E1000_STAT(stats.latecol) },
 	{ "tx_deferred_ok", E1000_STAT(stats.dc) },
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 0687c6aa4e4..21af3984e5c 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -560,8 +560,8 @@ next_desc:
 
 	adapter->total_rx_bytes += total_rx_bytes;
 	adapter->total_rx_packets += total_rx_packets;
-	adapter->net_stats.rx_bytes += total_rx_bytes;
-	adapter->net_stats.rx_packets += total_rx_packets;
+	netdev->stats.rx_bytes += total_rx_bytes;
+	netdev->stats.rx_packets += total_rx_packets;
 	return cleaned;
 }
 
@@ -690,8 +690,8 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter)
 	}
 	adapter->total_tx_bytes += total_tx_bytes;
 	adapter->total_tx_packets += total_tx_packets;
-	adapter->net_stats.tx_bytes += total_tx_bytes;
-	adapter->net_stats.tx_packets += total_tx_packets;
+	netdev->stats.tx_bytes += total_tx_bytes;
+	netdev->stats.tx_packets += total_tx_packets;
 	return (count < tx_ring->count);
 }
 
@@ -871,8 +871,8 @@ next_desc:
 
 	adapter->total_rx_bytes += total_rx_bytes;
 	adapter->total_rx_packets += total_rx_packets;
-	adapter->net_stats.rx_bytes += total_rx_bytes;
-	adapter->net_stats.rx_packets += total_rx_packets;
+	netdev->stats.rx_bytes += total_rx_bytes;
+	netdev->stats.rx_packets += total_rx_packets;
 	return cleaned;
 }
 
@@ -1051,8 +1051,8 @@ next_desc:
 
 	adapter->total_rx_bytes += total_rx_bytes;
 	adapter->total_rx_packets += total_rx_packets;
-	adapter->net_stats.rx_bytes += total_rx_bytes;
-	adapter->net_stats.rx_packets += total_rx_packets;
+	netdev->stats.rx_bytes += total_rx_bytes;
+	netdev->stats.rx_packets += total_rx_packets;
 	return cleaned;
 }
 
@@ -3287,6 +3287,7 @@ static void e1000_update_phy_info(unsigned long data)
  **/
 void e1000e_update_stats(struct e1000_adapter *adapter)
 {
+	struct net_device *netdev = adapter->netdev;
 	struct e1000_hw *hw = &adapter->hw;
 	struct pci_dev *pdev = adapter->pdev;
 	u16 phy_data;
@@ -3381,8 +3382,8 @@ void e1000e_update_stats(struct e1000_adapter *adapter)
 	adapter->stats.tsctfc += er32(TSCTFC);
 
 	/* Fill out the OS statistics structure */
-	adapter->net_stats.multicast = adapter->stats.mprc;
-	adapter->net_stats.collisions = adapter->stats.colc;
+	netdev->stats.multicast = adapter->stats.mprc;
+	netdev->stats.collisions = adapter->stats.colc;
 
 	/* Rx Errors */
 
@@ -3390,22 +3391,22 @@ void e1000e_update_stats(struct e1000_adapter *adapter)
 	 * RLEC on some newer hardware can be incorrect so build
 	 * our own version based on RUC and ROC
 	 */
-	adapter->net_stats.rx_errors = adapter->stats.rxerrc +
+	netdev->stats.rx_errors = adapter->stats.rxerrc +
 		adapter->stats.crcerrs + adapter->stats.algnerrc +
 		adapter->stats.ruc + adapter->stats.roc +
 		adapter->stats.cexterr;
-	adapter->net_stats.rx_length_errors = adapter->stats.ruc +
+	netdev->stats.rx_length_errors = adapter->stats.ruc +
 					      adapter->stats.roc;
-	adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs;
-	adapter->net_stats.rx_frame_errors = adapter->stats.algnerrc;
-	adapter->net_stats.rx_missed_errors = adapter->stats.mpc;
+	netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
+	netdev->stats.rx_frame_errors = adapter->stats.algnerrc;
+	netdev->stats.rx_missed_errors = adapter->stats.mpc;
 
 	/* Tx Errors */
-	adapter->net_stats.tx_errors = adapter->stats.ecol +
+	netdev->stats.tx_errors = adapter->stats.ecol +
 				       adapter->stats.latecol;
-	adapter->net_stats.tx_aborted_errors = adapter->stats.ecol;
-	adapter->net_stats.tx_window_errors = adapter->stats.latecol;
-	adapter->net_stats.tx_carrier_errors = adapter->stats.tncrs;
+	netdev->stats.tx_aborted_errors = adapter->stats.ecol;
+	netdev->stats.tx_window_errors = adapter->stats.latecol;
+	netdev->stats.tx_carrier_errors = adapter->stats.tncrs;
 
 	/* Tx Dropped needs to be maintained elsewhere */
 
@@ -4254,10 +4255,8 @@ static void e1000_reset_task(struct work_struct *work)
  **/
 static struct net_device_stats *e1000_get_stats(struct net_device *netdev)
 {
-	struct e1000_adapter *adapter = netdev_priv(netdev);
-
 	/* only return the current stats */
-	return &adapter->net_stats;
+	return &netdev->stats;
 }
 
 /**
-- 
GitLab


From 5a4d631154de41bb43eefb03d2124224c23c1fa4 Mon Sep 17 00:00:00 2001
From: Ajit Khaparde <ajitkhaparde@gmail.com>
Date: Wed, 7 Oct 2009 02:45:34 +0000
Subject: [PATCH 0205/1815] netxen: Use the instance of net_device_stats from
 net_device.

Since net_device has an instance of net_device_stats,
we can remove the instance of this from the private adapter structure.

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/netxen/netxen_nic.h      | 2 --
 drivers/net/netxen/netxen_nic_main.c | 2 +-
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index 7384f59df61..5c766b52f1d 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -1203,8 +1203,6 @@ struct netxen_adapter {
 
 	struct work_struct  tx_timeout_task;
 
-	struct net_device_stats net_stats;
-
 	nx_nic_intr_coalesce_t coal;
 
 	unsigned long state;
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index b5aa974827e..0039b85d4d5 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -1923,7 +1923,7 @@ request_reset:
 struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev)
 {
 	struct netxen_adapter *adapter = netdev_priv(netdev);
-	struct net_device_stats *stats = &adapter->net_stats;
+	struct net_device_stats *stats = &netdev->stats;
 
 	memset(stats, 0, sizeof(*stats));
 
-- 
GitLab


From 6dc3494183db0b93f49b193ac115073b72453b9c Mon Sep 17 00:00:00 2001
From: Ajit Khaparde <ajitkhaparde@gmail.com>
Date: Wed, 7 Oct 2009 02:45:02 +0000
Subject: [PATCH 0206/1815] myri10ge: Use the instance of net_device_stats from
 net_device.

Since net_device has an instance of net_device_stats,
we can remove the instance of this from the private myri10ge_priv structure.

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/myri10ge/myri10ge.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index 6930c87f362..29c9fe2951e 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -207,7 +207,6 @@ struct myri10ge_priv {
 	int big_bytes;
 	int max_intr_slots;
 	struct net_device *dev;
-	struct net_device_stats stats;
 	spinlock_t stats_lock;
 	u8 __iomem *sram;
 	int sram_size;
@@ -1821,7 +1820,7 @@ myri10ge_get_ethtool_stats(struct net_device *netdev,
 	/* force stats update */
 	(void)myri10ge_get_stats(netdev);
 	for (i = 0; i < MYRI10GE_NET_STATS_LEN; i++)
-		data[i] = ((unsigned long *)&mgp->stats)[i];
+		data[i] = ((unsigned long *)&netdev->stats)[i];
 
 	data[i++] = (unsigned int)mgp->tx_boundary;
 	data[i++] = (unsigned int)mgp->wc_enabled;
@@ -2991,7 +2990,7 @@ static struct net_device_stats *myri10ge_get_stats(struct net_device *dev)
 {
 	struct myri10ge_priv *mgp = netdev_priv(dev);
 	struct myri10ge_slice_netstats *slice_stats;
-	struct net_device_stats *stats = &mgp->stats;
+	struct net_device_stats *stats = &dev->stats;
 	int i;
 
 	spin_lock(&mgp->stats_lock);
-- 
GitLab


From 2d86f1393c62f9c3bae5c1207408ed6559aa3cc4 Mon Sep 17 00:00:00 2001
From: Ajit Khaparde <ajitkhaparde@gmail.com>
Date: Wed, 7 Oct 2009 02:43:49 +0000
Subject: [PATCH 0207/1815] ixgbe: Use the instance of net_device_stats from
 net_device.

Since net_device has an instance of net_device_stats,
we can remove the instance of this from the private adapter structure.

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ixgbe/ixgbe.h         |  1 -
 drivers/net/ixgbe/ixgbe_ethtool.c | 40 ++++++++++++++++---------------
 drivers/net/ixgbe/ixgbe_main.c    | 26 ++++++++++----------
 3 files changed, 34 insertions(+), 33 deletions(-)

diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h
index 28f32da794d..2b854161c61 100644
--- a/drivers/net/ixgbe/ixgbe.h
+++ b/drivers/net/ixgbe/ixgbe.h
@@ -340,7 +340,6 @@ struct ixgbe_adapter {
 	/* OS defined structs */
 	struct net_device *netdev;
 	struct pci_dev *pdev;
-	struct net_device_stats net_stats;
 
 	u32 test_icr;
 	struct ixgbe_ring test_tx_ring;
diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c
index fa314cb005a..987b41c8eb4 100644
--- a/drivers/net/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ixgbe/ixgbe_ethtool.c
@@ -48,11 +48,13 @@ struct ixgbe_stats {
 
 #define IXGBE_STAT(m) sizeof(((struct ixgbe_adapter *)0)->m), \
                              offsetof(struct ixgbe_adapter, m)
+#define IXGBE_NETDEV_STAT(m) sizeof(((struct net_device *)0)->m), \
+                             offsetof(struct net_device, m)
 static struct ixgbe_stats ixgbe_gstrings_stats[] = {
-	{"rx_packets", IXGBE_STAT(net_stats.rx_packets)},
-	{"tx_packets", IXGBE_STAT(net_stats.tx_packets)},
-	{"rx_bytes", IXGBE_STAT(net_stats.rx_bytes)},
-	{"tx_bytes", IXGBE_STAT(net_stats.tx_bytes)},
+	{"rx_packets", IXGBE_NETDEV_STAT(stats.rx_packets)},
+	{"tx_packets", IXGBE_NETDEV_STAT(stats.tx_packets)},
+	{"rx_bytes", IXGBE_NETDEV_STAT(stats.rx_bytes)},
+	{"tx_bytes", IXGBE_NETDEV_STAT(stats.tx_bytes)},
 	{"rx_pkts_nic", IXGBE_STAT(stats.gprc)},
 	{"tx_pkts_nic", IXGBE_STAT(stats.gptc)},
 	{"rx_bytes_nic", IXGBE_STAT(stats.gorc)},
@@ -60,26 +62,26 @@ static struct ixgbe_stats ixgbe_gstrings_stats[] = {
 	{"lsc_int", IXGBE_STAT(lsc_int)},
 	{"tx_busy", IXGBE_STAT(tx_busy)},
 	{"non_eop_descs", IXGBE_STAT(non_eop_descs)},
-	{"rx_errors", IXGBE_STAT(net_stats.rx_errors)},
-	{"tx_errors", IXGBE_STAT(net_stats.tx_errors)},
-	{"rx_dropped", IXGBE_STAT(net_stats.rx_dropped)},
-	{"tx_dropped", IXGBE_STAT(net_stats.tx_dropped)},
-	{"multicast", IXGBE_STAT(net_stats.multicast)},
+	{"rx_errors", IXGBE_NETDEV_STAT(stats.rx_errors)},
+	{"tx_errors", IXGBE_NETDEV_STAT(stats.tx_errors)},
+	{"rx_dropped", IXGBE_NETDEV_STAT(stats.rx_dropped)},
+	{"tx_dropped", IXGBE_NETDEV_STAT(stats.tx_dropped)},
+	{"multicast", IXGBE_NETDEV_STAT(stats.multicast)},
 	{"broadcast", IXGBE_STAT(stats.bprc)},
 	{"rx_no_buffer_count", IXGBE_STAT(stats.rnbc[0]) },
-	{"collisions", IXGBE_STAT(net_stats.collisions)},
-	{"rx_over_errors", IXGBE_STAT(net_stats.rx_over_errors)},
-	{"rx_crc_errors", IXGBE_STAT(net_stats.rx_crc_errors)},
-	{"rx_frame_errors", IXGBE_STAT(net_stats.rx_frame_errors)},
+	{"collisions", IXGBE_NETDEV_STAT(stats.collisions)},
+	{"rx_over_errors", IXGBE_NETDEV_STAT(stats.rx_over_errors)},
+	{"rx_crc_errors", IXGBE_NETDEV_STAT(stats.rx_crc_errors)},
+	{"rx_frame_errors", IXGBE_NETDEV_STAT(stats.rx_frame_errors)},
 	{"hw_rsc_count", IXGBE_STAT(rsc_count)},
 	{"fdir_match", IXGBE_STAT(stats.fdirmatch)},
 	{"fdir_miss", IXGBE_STAT(stats.fdirmiss)},
-	{"rx_fifo_errors", IXGBE_STAT(net_stats.rx_fifo_errors)},
-	{"rx_missed_errors", IXGBE_STAT(net_stats.rx_missed_errors)},
-	{"tx_aborted_errors", IXGBE_STAT(net_stats.tx_aborted_errors)},
-	{"tx_carrier_errors", IXGBE_STAT(net_stats.tx_carrier_errors)},
-	{"tx_fifo_errors", IXGBE_STAT(net_stats.tx_fifo_errors)},
-	{"tx_heartbeat_errors", IXGBE_STAT(net_stats.tx_heartbeat_errors)},
+	{"rx_fifo_errors", IXGBE_NETDEV_STAT(stats.rx_fifo_errors)},
+	{"rx_missed_errors", IXGBE_NETDEV_STAT(stats.rx_missed_errors)},
+	{"tx_aborted_errors", IXGBE_NETDEV_STAT(stats.tx_aborted_errors)},
+	{"tx_carrier_errors", IXGBE_NETDEV_STAT(stats.tx_carrier_errors)},
+	{"tx_fifo_errors", IXGBE_NETDEV_STAT(stats.tx_fifo_errors)},
+	{"tx_heartbeat_errors", IXGBE_NETDEV_STAT(stats.tx_heartbeat_errors)},
 	{"tx_timeout_count", IXGBE_STAT(tx_timeout_count)},
 	{"tx_restart_queue", IXGBE_STAT(restart_queue)},
 	{"rx_long_length_errors", IXGBE_STAT(stats.roc)},
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index cbb143ca1eb..c91d50e5442 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -372,8 +372,8 @@ static bool ixgbe_clean_tx_irq(struct ixgbe_q_vector *q_vector,
 	tx_ring->total_packets += total_packets;
 	tx_ring->stats.packets += total_packets;
 	tx_ring->stats.bytes += total_bytes;
-	adapter->net_stats.tx_bytes += total_bytes;
-	adapter->net_stats.tx_packets += total_packets;
+	netdev->stats.tx_bytes += total_bytes;
+	netdev->stats.tx_packets += total_packets;
 	return (count < tx_ring->work_limit);
 }
 
@@ -709,6 +709,7 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
                                int *work_done, int work_to_do)
 {
 	struct ixgbe_adapter *adapter = q_vector->adapter;
+	struct net_device *netdev = adapter->netdev;
 	struct pci_dev *pdev = adapter->pdev;
 	union ixgbe_adv_rx_desc *rx_desc, *next_rxd;
 	struct ixgbe_rx_buffer *rx_buffer_info, *next_buffer;
@@ -880,8 +881,8 @@ next_desc:
 
 	rx_ring->total_packets += total_rx_packets;
 	rx_ring->total_bytes += total_rx_bytes;
-	adapter->net_stats.rx_bytes += total_rx_bytes;
-	adapter->net_stats.rx_packets += total_rx_packets;
+	netdev->stats.rx_bytes += total_rx_bytes;
+	netdev->stats.rx_packets += total_rx_packets;
 
 	return cleaned;
 }
@@ -4403,6 +4404,7 @@ static void ixgbe_shutdown(struct pci_dev *pdev)
  **/
 void ixgbe_update_stats(struct ixgbe_adapter *adapter)
 {
+	struct net_device *netdev = adapter->netdev;
 	struct ixgbe_hw *hw = &adapter->hw;
 	u64 total_mpc = 0;
 	u32 i, missed_rx = 0, mpc, bprc, lxon, lxoff, xon_off_tot;
@@ -4522,15 +4524,15 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter)
 	adapter->stats.bptc += IXGBE_READ_REG(hw, IXGBE_BPTC);
 
 	/* Fill out the OS statistics structure */
-	adapter->net_stats.multicast = adapter->stats.mprc;
+	netdev->stats.multicast = adapter->stats.mprc;
 
 	/* Rx Errors */
-	adapter->net_stats.rx_errors = adapter->stats.crcerrs +
+	netdev->stats.rx_errors = adapter->stats.crcerrs +
 	                               adapter->stats.rlec;
-	adapter->net_stats.rx_dropped = 0;
-	adapter->net_stats.rx_length_errors = adapter->stats.rlec;
-	adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs;
-	adapter->net_stats.rx_missed_errors = total_mpc;
+	netdev->stats.rx_dropped = 0;
+	netdev->stats.rx_length_errors = adapter->stats.rlec;
+	netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
+	netdev->stats.rx_missed_errors = total_mpc;
 }
 
 /**
@@ -5300,10 +5302,8 @@ static netdev_tx_t ixgbe_xmit_frame(struct sk_buff *skb,
  **/
 static struct net_device_stats *ixgbe_get_stats(struct net_device *netdev)
 {
-	struct ixgbe_adapter *adapter = netdev_priv(netdev);
-
 	/* only return the current stats */
-	return &adapter->net_stats;
+	return &netdev->stats;
 }
 
 /**
-- 
GitLab


From 8d24e93309d688d59d4b6cf0b9cffc40337e067d Mon Sep 17 00:00:00 2001
From: Ajit Khaparde <ajitkhaparde@gmail.com>
Date: Wed, 7 Oct 2009 02:42:56 +0000
Subject: [PATCH 0208/1815] igb: Use the instance of net_device_stats from
 net_device.

Since net_device has an instance of net_device_stats,
we can remove the instance of this from the adapter structure.

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb.h         |  1 -
 drivers/net/igb/igb_ethtool.c | 20 ++++++++++--------
 drivers/net/igb/igb_main.c    | 39 +++++++++++++++++------------------
 3 files changed, 30 insertions(+), 30 deletions(-)

diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index 7126fea26fe..b805b1c63f8 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -256,7 +256,6 @@ struct igb_adapter {
 	struct net_device *netdev;
 	struct napi_struct napi;
 	struct pci_dev *pdev;
-	struct net_device_stats net_stats;
 	struct cyclecounter cycles;
 	struct timecounter clock;
 	struct timecompare compare;
diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
index d004c359244..d46c3212757 100644
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -45,6 +45,8 @@ struct igb_stats {
 
 #define IGB_STAT(m) FIELD_SIZEOF(struct igb_adapter, m), \
 		      offsetof(struct igb_adapter, m)
+#define IGB_NETDEV_STAT(m) FIELD_SIZEOF(struct net_device, m), \
+		      offsetof(struct net_device, m)
 static const struct igb_stats igb_gstrings_stats[] = {
 	{ "rx_packets", IGB_STAT(stats.gprc) },
 	{ "tx_packets", IGB_STAT(stats.gptc) },
@@ -54,22 +56,22 @@ static const struct igb_stats igb_gstrings_stats[] = {
 	{ "tx_broadcast", IGB_STAT(stats.bptc) },
 	{ "rx_multicast", IGB_STAT(stats.mprc) },
 	{ "tx_multicast", IGB_STAT(stats.mptc) },
-	{ "rx_errors", IGB_STAT(net_stats.rx_errors) },
-	{ "tx_errors", IGB_STAT(net_stats.tx_errors) },
-	{ "tx_dropped", IGB_STAT(net_stats.tx_dropped) },
+	{ "rx_errors", IGB_NETDEV_STAT(stats.rx_errors) },
+	{ "tx_errors", IGB_NETDEV_STAT(stats.tx_errors) },
+	{ "tx_dropped", IGB_NETDEV_STAT(stats.tx_dropped) },
 	{ "multicast", IGB_STAT(stats.mprc) },
 	{ "collisions", IGB_STAT(stats.colc) },
-	{ "rx_length_errors", IGB_STAT(net_stats.rx_length_errors) },
-	{ "rx_over_errors", IGB_STAT(net_stats.rx_over_errors) },
+	{ "rx_length_errors", IGB_NETDEV_STAT(stats.rx_length_errors) },
+	{ "rx_over_errors", IGB_NETDEV_STAT(stats.rx_over_errors) },
 	{ "rx_crc_errors", IGB_STAT(stats.crcerrs) },
-	{ "rx_frame_errors", IGB_STAT(net_stats.rx_frame_errors) },
+	{ "rx_frame_errors", IGB_NETDEV_STAT(stats.rx_frame_errors) },
 	{ "rx_no_buffer_count", IGB_STAT(stats.rnbc) },
-	{ "rx_queue_drop_packet_count", IGB_STAT(net_stats.rx_fifo_errors) },
+	{ "rx_queue_drop_packet_count", IGB_NETDEV_STAT(stats.rx_fifo_errors) },
 	{ "rx_missed_errors", IGB_STAT(stats.mpc) },
 	{ "tx_aborted_errors", IGB_STAT(stats.ecol) },
 	{ "tx_carrier_errors", IGB_STAT(stats.tncrs) },
-	{ "tx_fifo_errors", IGB_STAT(net_stats.tx_fifo_errors) },
-	{ "tx_heartbeat_errors", IGB_STAT(net_stats.tx_heartbeat_errors) },
+	{ "tx_fifo_errors", IGB_NETDEV_STAT(stats.tx_fifo_errors) },
+	{ "tx_heartbeat_errors", IGB_NETDEV_STAT(stats.tx_heartbeat_errors) },
 	{ "tx_window_errors", IGB_STAT(stats.latecol) },
 	{ "tx_abort_late_coll", IGB_STAT(stats.latecol) },
 	{ "tx_deferred_ok", IGB_STAT(stats.dc) },
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 83c083709d3..428d5047535 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -3534,10 +3534,8 @@ static void igb_reset_task(struct work_struct *work)
  **/
 static struct net_device_stats *igb_get_stats(struct net_device *netdev)
 {
-	struct igb_adapter *adapter = netdev_priv(netdev);
-
 	/* only return the current stats */
-	return &adapter->net_stats;
+	return &netdev->stats;
 }
 
 /**
@@ -3623,6 +3621,7 @@ static int igb_change_mtu(struct net_device *netdev, int new_mtu)
 
 void igb_update_stats(struct igb_adapter *adapter)
 {
+	struct net_device *netdev = adapter->netdev;
 	struct e1000_hw *hw = &adapter->hw;
 	struct pci_dev *pdev = adapter->pdev;
 	u16 phy_tmp;
@@ -3712,8 +3711,8 @@ void igb_update_stats(struct igb_adapter *adapter)
 	adapter->stats.icrxdmtc += rd32(E1000_ICRXDMTC);
 
 	/* Fill out the OS statistics structure */
-	adapter->net_stats.multicast = adapter->stats.mprc;
-	adapter->net_stats.collisions = adapter->stats.colc;
+	netdev->stats.multicast = adapter->stats.mprc;
+	netdev->stats.collisions = adapter->stats.colc;
 
 	/* Rx Errors */
 
@@ -3734,7 +3733,7 @@ void igb_update_stats(struct igb_adapter *adapter)
 			adapter->rx_ring[i].rx_stats.drops += rqdpc_tmp;
 			rqdpc_total += adapter->rx_ring[i].rx_stats.drops;
 		}
-		adapter->net_stats.rx_fifo_errors = rqdpc_total;
+		netdev->stats.rx_fifo_errors = rqdpc_total;
 	}
 
 	/* Note RNBC (Receive No Buffers Count) is an not an exact
@@ -3742,26 +3741,26 @@ void igb_update_stats(struct igb_adapter *adapter)
 	 * one of the reason for saving it in rx_fifo_errors, as its
 	 * potentially not a true drop.
 	 */
-	adapter->net_stats.rx_fifo_errors += adapter->stats.rnbc;
+	netdev->stats.rx_fifo_errors += adapter->stats.rnbc;
 
 	/* RLEC on some newer hardware can be incorrect so build
 	 * our own version based on RUC and ROC */
-	adapter->net_stats.rx_errors = adapter->stats.rxerrc +
+	netdev->stats.rx_errors = adapter->stats.rxerrc +
 		adapter->stats.crcerrs + adapter->stats.algnerrc +
 		adapter->stats.ruc + adapter->stats.roc +
 		adapter->stats.cexterr;
-	adapter->net_stats.rx_length_errors = adapter->stats.ruc +
+	netdev->stats.rx_length_errors = adapter->stats.ruc +
 					      adapter->stats.roc;
-	adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs;
-	adapter->net_stats.rx_frame_errors = adapter->stats.algnerrc;
-	adapter->net_stats.rx_missed_errors = adapter->stats.mpc;
+	netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
+	netdev->stats.rx_frame_errors = adapter->stats.algnerrc;
+	netdev->stats.rx_missed_errors = adapter->stats.mpc;
 
 	/* Tx Errors */
-	adapter->net_stats.tx_errors = adapter->stats.ecol +
+	netdev->stats.tx_errors = adapter->stats.ecol +
 				       adapter->stats.latecol;
-	adapter->net_stats.tx_aborted_errors = adapter->stats.ecol;
-	adapter->net_stats.tx_window_errors = adapter->stats.latecol;
-	adapter->net_stats.tx_carrier_errors = adapter->stats.tncrs;
+	netdev->stats.tx_aborted_errors = adapter->stats.ecol;
+	netdev->stats.tx_window_errors = adapter->stats.latecol;
+	netdev->stats.tx_carrier_errors = adapter->stats.tncrs;
 
 	/* Tx Dropped needs to be maintained elsewhere */
 
@@ -4640,8 +4639,8 @@ static bool igb_clean_tx_irq(struct igb_ring *tx_ring)
 	tx_ring->total_packets += total_packets;
 	tx_ring->tx_stats.bytes += total_bytes;
 	tx_ring->tx_stats.packets += total_packets;
-	adapter->net_stats.tx_bytes += total_bytes;
-	adapter->net_stats.tx_packets += total_packets;
+	netdev->stats.tx_bytes += total_bytes;
+	netdev->stats.tx_packets += total_packets;
 	return (count < tx_ring->count);
 }
 
@@ -4884,8 +4883,8 @@ next_desc:
 	rx_ring->total_bytes += total_bytes;
 	rx_ring->rx_stats.packets += total_packets;
 	rx_ring->rx_stats.bytes += total_bytes;
-	adapter->net_stats.rx_bytes += total_bytes;
-	adapter->net_stats.rx_packets += total_packets;
+	netdev->stats.rx_bytes += total_bytes;
+	netdev->stats.rx_packets += total_packets;
 	return cleaned;
 }
 
-- 
GitLab


From 5fe31deffa097795aed7ab276c90287823d26497 Mon Sep 17 00:00:00 2001
From: Ajit Khaparde <ajitkhaparde@gmail.com>
Date: Wed, 7 Oct 2009 02:42:23 +0000
Subject: [PATCH 0209/1815] e1000: Use the instance of net_device_stats from
 net_device.

Since net_device has an instance of net_device_stats,
we can remove the instance of this from the adapter structure.

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000/e1000.h         |  1 -
 drivers/net/e1000/e1000_ethtool.c | 12 +++++----
 drivers/net/e1000/e1000_main.c    | 41 +++++++++++++++----------------
 3 files changed, 27 insertions(+), 27 deletions(-)

diff --git a/drivers/net/e1000/e1000.h b/drivers/net/e1000/e1000.h
index 42e2b7e21c2..a5665287bd6 100644
--- a/drivers/net/e1000/e1000.h
+++ b/drivers/net/e1000/e1000.h
@@ -302,7 +302,6 @@ struct e1000_adapter {
 	/* OS defined structs */
 	struct net_device *netdev;
 	struct pci_dev *pdev;
-	struct net_device_stats net_stats;
 
 	/* structs defined in e1000_hw.h */
 	struct e1000_hw hw;
diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c
index 490b2b7cd3a..e25b339eb5b 100644
--- a/drivers/net/e1000/e1000_ethtool.c
+++ b/drivers/net/e1000/e1000_ethtool.c
@@ -39,6 +39,8 @@ struct e1000_stats {
 
 #define E1000_STAT(m) FIELD_SIZEOF(struct e1000_adapter, m), \
 		      offsetof(struct e1000_adapter, m)
+#define E1000_NETDEV_STAT(m) FIELD_SIZEOF(struct net_device, m), \
+		      offsetof(struct net_device, m)
 static const struct e1000_stats e1000_gstrings_stats[] = {
 	{ "rx_packets", E1000_STAT(stats.gprc) },
 	{ "tx_packets", E1000_STAT(stats.gptc) },
@@ -50,19 +52,19 @@ static const struct e1000_stats e1000_gstrings_stats[] = {
 	{ "tx_multicast", E1000_STAT(stats.mptc) },
 	{ "rx_errors", E1000_STAT(stats.rxerrc) },
 	{ "tx_errors", E1000_STAT(stats.txerrc) },
-	{ "tx_dropped", E1000_STAT(net_stats.tx_dropped) },
+	{ "tx_dropped", E1000_NETDEV_STAT(stats.tx_dropped) },
 	{ "multicast", E1000_STAT(stats.mprc) },
 	{ "collisions", E1000_STAT(stats.colc) },
 	{ "rx_length_errors", E1000_STAT(stats.rlerrc) },
-	{ "rx_over_errors", E1000_STAT(net_stats.rx_over_errors) },
+	{ "rx_over_errors", E1000_NETDEV_STAT(stats.rx_over_errors) },
 	{ "rx_crc_errors", E1000_STAT(stats.crcerrs) },
-	{ "rx_frame_errors", E1000_STAT(net_stats.rx_frame_errors) },
+	{ "rx_frame_errors", E1000_NETDEV_STAT(stats.rx_frame_errors) },
 	{ "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
 	{ "rx_missed_errors", E1000_STAT(stats.mpc) },
 	{ "tx_aborted_errors", E1000_STAT(stats.ecol) },
 	{ "tx_carrier_errors", E1000_STAT(stats.tncrs) },
-	{ "tx_fifo_errors", E1000_STAT(net_stats.tx_fifo_errors) },
-	{ "tx_heartbeat_errors", E1000_STAT(net_stats.tx_heartbeat_errors) },
+	{ "tx_fifo_errors", E1000_NETDEV_STAT(stats.tx_fifo_errors) },
+	{ "tx_heartbeat_errors", E1000_NETDEV_STAT(stats.tx_heartbeat_errors) },
 	{ "tx_window_errors", E1000_STAT(stats.latecol) },
 	{ "tx_abort_late_coll", E1000_STAT(stats.latecol) },
 	{ "tx_deferred_ok", E1000_STAT(stats.dc) },
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index bcd192ca47b..6a614148297 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -3101,10 +3101,8 @@ static void e1000_reset_task(struct work_struct *work)
 
 static struct net_device_stats *e1000_get_stats(struct net_device *netdev)
 {
-	struct e1000_adapter *adapter = netdev_priv(netdev);
-
 	/* only return the current stats */
-	return &adapter->net_stats;
+	return &netdev->stats;
 }
 
 /**
@@ -3196,6 +3194,7 @@ static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
 
 void e1000_update_stats(struct e1000_adapter *adapter)
 {
+	struct net_device *netdev = adapter->netdev;
 	struct e1000_hw *hw = &adapter->hw;
 	struct pci_dev *pdev = adapter->pdev;
 	unsigned long flags;
@@ -3288,32 +3287,32 @@ void e1000_update_stats(struct e1000_adapter *adapter)
 	}
 
 	/* Fill out the OS statistics structure */
-	adapter->net_stats.multicast = adapter->stats.mprc;
-	adapter->net_stats.collisions = adapter->stats.colc;
+	netdev->stats.multicast = adapter->stats.mprc;
+	netdev->stats.collisions = adapter->stats.colc;
 
 	/* Rx Errors */
 
 	/* RLEC on some newer hardware can be incorrect so build
 	* our own version based on RUC and ROC */
-	adapter->net_stats.rx_errors = adapter->stats.rxerrc +
+	netdev->stats.rx_errors = adapter->stats.rxerrc +
 		adapter->stats.crcerrs + adapter->stats.algnerrc +
 		adapter->stats.ruc + adapter->stats.roc +
 		adapter->stats.cexterr;
 	adapter->stats.rlerrc = adapter->stats.ruc + adapter->stats.roc;
-	adapter->net_stats.rx_length_errors = adapter->stats.rlerrc;
-	adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs;
-	adapter->net_stats.rx_frame_errors = adapter->stats.algnerrc;
-	adapter->net_stats.rx_missed_errors = adapter->stats.mpc;
+	netdev->stats.rx_length_errors = adapter->stats.rlerrc;
+	netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
+	netdev->stats.rx_frame_errors = adapter->stats.algnerrc;
+	netdev->stats.rx_missed_errors = adapter->stats.mpc;
 
 	/* Tx Errors */
 	adapter->stats.txerrc = adapter->stats.ecol + adapter->stats.latecol;
-	adapter->net_stats.tx_errors = adapter->stats.txerrc;
-	adapter->net_stats.tx_aborted_errors = adapter->stats.ecol;
-	adapter->net_stats.tx_window_errors = adapter->stats.latecol;
-	adapter->net_stats.tx_carrier_errors = adapter->stats.tncrs;
+	netdev->stats.tx_errors = adapter->stats.txerrc;
+	netdev->stats.tx_aborted_errors = adapter->stats.ecol;
+	netdev->stats.tx_window_errors = adapter->stats.latecol;
+	netdev->stats.tx_carrier_errors = adapter->stats.tncrs;
 	if (hw->bad_tx_carr_stats_fd &&
 	    adapter->link_duplex == FULL_DUPLEX) {
-		adapter->net_stats.tx_carrier_errors = 0;
+		netdev->stats.tx_carrier_errors = 0;
 		adapter->stats.tncrs = 0;
 	}
 
@@ -3514,8 +3513,8 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
 	}
 	adapter->total_tx_bytes += total_tx_bytes;
 	adapter->total_tx_packets += total_tx_packets;
-	adapter->net_stats.tx_bytes += total_tx_bytes;
-	adapter->net_stats.tx_packets += total_tx_packets;
+	netdev->stats.tx_bytes += total_tx_bytes;
+	netdev->stats.tx_packets += total_tx_packets;
 	return (count < tx_ring->count);
 }
 
@@ -3767,8 +3766,8 @@ next_desc:
 
 	adapter->total_rx_packets += total_rx_packets;
 	adapter->total_rx_bytes += total_rx_bytes;
-	adapter->net_stats.rx_bytes += total_rx_bytes;
-	adapter->net_stats.rx_packets += total_rx_packets;
+	netdev->stats.rx_bytes += total_rx_bytes;
+	netdev->stats.rx_packets += total_rx_packets;
 	return cleaned;
 }
 
@@ -3916,8 +3915,8 @@ next_desc:
 
 	adapter->total_rx_packets += total_rx_packets;
 	adapter->total_rx_bytes += total_rx_bytes;
-	adapter->net_stats.rx_bytes += total_rx_bytes;
-	adapter->net_stats.rx_packets += total_rx_packets;
+	netdev->stats.rx_bytes += total_rx_bytes;
+	netdev->stats.rx_packets += total_rx_packets;
 	return cleaned;
 }
 
-- 
GitLab


From bcc90f555b4eb82604436f7ab6a7853c4b5997a3 Mon Sep 17 00:00:00 2001
From: Ajit Khaparde <ajitkhaparde@gmail.com>
Date: Wed, 7 Oct 2009 02:46:09 +0000
Subject: [PATCH 0210/1815] qlge: Use the instance of net_device_stats from
 net_device.

Since net_device has an instance of net_device_stats,
we can remove the instance of this from the private adapter structure.

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/qlge/qlge.h      |  1 -
 drivers/net/qlge/qlge_main.c | 12 ++++++------
 2 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h
index 3ec6e85587a..9e53ca9c3b4 100644
--- a/drivers/net/qlge/qlge.h
+++ b/drivers/net/qlge/qlge.h
@@ -1516,7 +1516,6 @@ struct ql_adapter {
 
 	union flash_params flash;
 
-	struct net_device_stats stats;
 	struct workqueue_struct *workqueue;
 	struct delayed_work asic_reset_work;
 	struct delayed_work mpi_reset_work;
diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 61680715cde..fde5af0d5b4 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -1644,8 +1644,8 @@ static void ql_process_mac_rx_intr(struct ql_adapter *qdev,
 		}
 	}
 
-	qdev->stats.rx_packets++;
-	qdev->stats.rx_bytes += skb->len;
+	ndev->stats.rx_packets++;
+	ndev->stats.rx_bytes += skb->len;
 	skb_record_rx_queue(skb, rx_ring->cq_id);
 	if (skb->ip_summed == CHECKSUM_UNNECESSARY) {
 		if (qdev->vlgrp &&
@@ -1669,6 +1669,7 @@ static void ql_process_mac_rx_intr(struct ql_adapter *qdev,
 static void ql_process_mac_tx_intr(struct ql_adapter *qdev,
 				   struct ob_mac_iocb_rsp *mac_rsp)
 {
+	struct net_device *ndev = qdev->ndev;
 	struct tx_ring *tx_ring;
 	struct tx_ring_desc *tx_ring_desc;
 
@@ -1676,8 +1677,8 @@ static void ql_process_mac_tx_intr(struct ql_adapter *qdev,
 	tx_ring = &qdev->tx_ring[mac_rsp->txq_idx];
 	tx_ring_desc = &tx_ring->q[mac_rsp->tid];
 	ql_unmap_send(qdev, tx_ring_desc, tx_ring_desc->map_cnt);
-	qdev->stats.tx_bytes += (tx_ring_desc->skb)->len;
-	qdev->stats.tx_packets++;
+	ndev->stats.tx_bytes += (tx_ring_desc->skb)->len;
+	ndev->stats.tx_packets++;
 	dev_kfree_skb(tx_ring_desc->skb);
 	tx_ring_desc->skb = NULL;
 
@@ -3569,8 +3570,7 @@ static int qlge_change_mtu(struct net_device *ndev, int new_mtu)
 static struct net_device_stats *qlge_get_stats(struct net_device
 					       *ndev)
 {
-	struct ql_adapter *qdev = netdev_priv(ndev);
-	return &qdev->stats;
+	return &ndev->stats;
 }
 
 static void qlge_set_multicast_list(struct net_device *ndev)
-- 
GitLab


From 0cdc03698f2586923ad3b9fca06643ff5675f221 Mon Sep 17 00:00:00 2001
From: Ajit Khaparde <ajitkhaparde@gmail.com>
Date: Wed, 7 Oct 2009 02:46:59 +0000
Subject: [PATCH 0211/1815] ixgb: Use the instance of net_device_stats from
 net_device.

Since net_device has an instance of net_device_stats,
we can remove the instance of this from the private adapter structure.

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ixgb/ixgb.h         |  1 -
 drivers/net/ixgb/ixgb_ethtool.c | 46 +++++++++++++++++----------------
 drivers/net/ixgb/ixgb_main.c    | 44 +++++++++++++++----------------
 3 files changed, 45 insertions(+), 46 deletions(-)

diff --git a/drivers/net/ixgb/ixgb.h b/drivers/net/ixgb/ixgb.h
index d85717e3022..e95d9b6f1f2 100644
--- a/drivers/net/ixgb/ixgb.h
+++ b/drivers/net/ixgb/ixgb.h
@@ -183,7 +183,6 @@ struct ixgb_adapter {
 	struct napi_struct napi;
 	struct net_device *netdev;
 	struct pci_dev *pdev;
-	struct net_device_stats net_stats;
 
 	/* structs defined in ixgb_hw.h */
 	struct ixgb_hw hw;
diff --git a/drivers/net/ixgb/ixgb_ethtool.c b/drivers/net/ixgb/ixgb_ethtool.c
index 288ee1d0f43..deeb25da070 100644
--- a/drivers/net/ixgb/ixgb_ethtool.c
+++ b/drivers/net/ixgb/ixgb_ethtool.c
@@ -42,30 +42,32 @@ struct ixgb_stats {
 
 #define IXGB_STAT(m) FIELD_SIZEOF(struct ixgb_adapter, m), \
 		      offsetof(struct ixgb_adapter, m)
+#define IXGB_NETDEV_STAT(m) FIELD_SIZEOF(struct net_device, m), \
+		      offsetof(struct net_device, m)
 static struct ixgb_stats ixgb_gstrings_stats[] = {
-	{"rx_packets", IXGB_STAT(net_stats.rx_packets)},
-	{"tx_packets", IXGB_STAT(net_stats.tx_packets)},
-	{"rx_bytes", IXGB_STAT(net_stats.rx_bytes)},
-	{"tx_bytes", IXGB_STAT(net_stats.tx_bytes)},
-	{"rx_errors", IXGB_STAT(net_stats.rx_errors)},
-	{"tx_errors", IXGB_STAT(net_stats.tx_errors)},
-	{"rx_dropped", IXGB_STAT(net_stats.rx_dropped)},
-	{"tx_dropped", IXGB_STAT(net_stats.tx_dropped)},
-	{"multicast", IXGB_STAT(net_stats.multicast)},
-	{"collisions", IXGB_STAT(net_stats.collisions)},
-
-/*	{ "rx_length_errors", IXGB_STAT(net_stats.rx_length_errors) },	*/
-	{"rx_over_errors", IXGB_STAT(net_stats.rx_over_errors)},
-	{"rx_crc_errors", IXGB_STAT(net_stats.rx_crc_errors)},
-	{"rx_frame_errors", IXGB_STAT(net_stats.rx_frame_errors)},
+	{"rx_packets", IXGB_NETDEV_STAT(stats.rx_packets)},
+	{"tx_packets", IXGB_NETDEV_STAT(stats.tx_packets)},
+	{"rx_bytes", IXGB_NETDEV_STAT(stats.rx_bytes)},
+	{"tx_bytes", IXGB_NETDEV_STAT(stats.tx_bytes)},
+	{"rx_errors", IXGB_NETDEV_STAT(stats.rx_errors)},
+	{"tx_errors", IXGB_NETDEV_STAT(stats.tx_errors)},
+	{"rx_dropped", IXGB_NETDEV_STAT(stats.rx_dropped)},
+	{"tx_dropped", IXGB_NETDEV_STAT(stats.tx_dropped)},
+	{"multicast", IXGB_NETDEV_STAT(stats.multicast)},
+	{"collisions", IXGB_NETDEV_STAT(stats.collisions)},
+
+/*	{ "rx_length_errors", IXGB_NETDEV_STAT(stats.rx_length_errors) },	*/
+	{"rx_over_errors", IXGB_NETDEV_STAT(stats.rx_over_errors)},
+	{"rx_crc_errors", IXGB_NETDEV_STAT(stats.rx_crc_errors)},
+	{"rx_frame_errors", IXGB_NETDEV_STAT(stats.rx_frame_errors)},
 	{"rx_no_buffer_count", IXGB_STAT(stats.rnbc)},
-	{"rx_fifo_errors", IXGB_STAT(net_stats.rx_fifo_errors)},
-	{"rx_missed_errors", IXGB_STAT(net_stats.rx_missed_errors)},
-	{"tx_aborted_errors", IXGB_STAT(net_stats.tx_aborted_errors)},
-	{"tx_carrier_errors", IXGB_STAT(net_stats.tx_carrier_errors)},
-	{"tx_fifo_errors", IXGB_STAT(net_stats.tx_fifo_errors)},
-	{"tx_heartbeat_errors", IXGB_STAT(net_stats.tx_heartbeat_errors)},
-	{"tx_window_errors", IXGB_STAT(net_stats.tx_window_errors)},
+	{"rx_fifo_errors", IXGB_NETDEV_STAT(stats.rx_fifo_errors)},
+	{"rx_missed_errors", IXGB_NETDEV_STAT(stats.rx_missed_errors)},
+	{"tx_aborted_errors", IXGB_NETDEV_STAT(stats.tx_aborted_errors)},
+	{"tx_carrier_errors", IXGB_NETDEV_STAT(stats.tx_carrier_errors)},
+	{"tx_fifo_errors", IXGB_NETDEV_STAT(stats.tx_fifo_errors)},
+	{"tx_heartbeat_errors", IXGB_NETDEV_STAT(stats.tx_heartbeat_errors)},
+	{"tx_window_errors", IXGB_NETDEV_STAT(stats.tx_window_errors)},
 	{"tx_deferred_ok", IXGB_STAT(stats.dc)},
 	{"tx_timeout_count", IXGB_STAT(tx_timeout_count) },
 	{"tx_restart_queue", IXGB_STAT(restart_queue) },
diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c
index 8aa44dca57e..f9f633c134b 100644
--- a/drivers/net/ixgb/ixgb_main.c
+++ b/drivers/net/ixgb/ixgb_main.c
@@ -1537,9 +1537,7 @@ ixgb_tx_timeout_task(struct work_struct *work)
 static struct net_device_stats *
 ixgb_get_stats(struct net_device *netdev)
 {
-	struct ixgb_adapter *adapter = netdev_priv(netdev);
-
-	return &adapter->net_stats;
+	return &netdev->stats;
 }
 
 /**
@@ -1676,16 +1674,16 @@ ixgb_update_stats(struct ixgb_adapter *adapter)
 
 	/* Fill out the OS statistics structure */
 
-	adapter->net_stats.rx_packets = adapter->stats.gprcl;
-	adapter->net_stats.tx_packets = adapter->stats.gptcl;
-	adapter->net_stats.rx_bytes = adapter->stats.gorcl;
-	adapter->net_stats.tx_bytes = adapter->stats.gotcl;
-	adapter->net_stats.multicast = adapter->stats.mprcl;
-	adapter->net_stats.collisions = 0;
+	netdev->stats.rx_packets = adapter->stats.gprcl;
+	netdev->stats.tx_packets = adapter->stats.gptcl;
+	netdev->stats.rx_bytes = adapter->stats.gorcl;
+	netdev->stats.tx_bytes = adapter->stats.gotcl;
+	netdev->stats.multicast = adapter->stats.mprcl;
+	netdev->stats.collisions = 0;
 
 	/* ignore RLEC as it reports errors for padded (<64bytes) frames
 	 * with a length in the type/len field */
-	adapter->net_stats.rx_errors =
+	netdev->stats.rx_errors =
 	    /* adapter->stats.rnbc + */ adapter->stats.crcerrs +
 	    adapter->stats.ruc +
 	    adapter->stats.roc /*+ adapter->stats.rlec */  +
@@ -1693,21 +1691,21 @@ ixgb_update_stats(struct ixgb_adapter *adapter)
 	    adapter->stats.ecbc + adapter->stats.mpc;
 
 	/* see above
-	 * adapter->net_stats.rx_length_errors = adapter->stats.rlec;
+	 * netdev->stats.rx_length_errors = adapter->stats.rlec;
 	 */
 
-	adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs;
-	adapter->net_stats.rx_fifo_errors = adapter->stats.mpc;
-	adapter->net_stats.rx_missed_errors = adapter->stats.mpc;
-	adapter->net_stats.rx_over_errors = adapter->stats.mpc;
-
-	adapter->net_stats.tx_errors = 0;
-	adapter->net_stats.rx_frame_errors = 0;
-	adapter->net_stats.tx_aborted_errors = 0;
-	adapter->net_stats.tx_carrier_errors = 0;
-	adapter->net_stats.tx_fifo_errors = 0;
-	adapter->net_stats.tx_heartbeat_errors = 0;
-	adapter->net_stats.tx_window_errors = 0;
+	netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
+	netdev->stats.rx_fifo_errors = adapter->stats.mpc;
+	netdev->stats.rx_missed_errors = adapter->stats.mpc;
+	netdev->stats.rx_over_errors = adapter->stats.mpc;
+
+	netdev->stats.tx_errors = 0;
+	netdev->stats.rx_frame_errors = 0;
+	netdev->stats.tx_aborted_errors = 0;
+	netdev->stats.tx_carrier_errors = 0;
+	netdev->stats.tx_fifo_errors = 0;
+	netdev->stats.tx_heartbeat_errors = 0;
+	netdev->stats.tx_window_errors = 0;
 }
 
 #define IXGB_MAX_INTR 10
-- 
GitLab


From 3758bf25db8caeec667e4e56e030da0ec3060529 Mon Sep 17 00:00:00 2001
From: Anant Gole <anantgole@ti.com>
Date: Wed, 7 Oct 2009 02:59:47 +0000
Subject: [PATCH 0212/1815] can: add TI CAN (HECC) driver

TI HECC (High End CAN Controller) module is found on many TI devices. It
has 32 hardware mailboxes with full implementation of CAN protocol 2.0B
with bus speeds up to 1Mbps. Specifications of the module are available
on TI web <http://www.ti.com>

Signed-off-by: Anant Gole <anantgole@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/can/Kconfig              |    7 +
 drivers/net/can/Makefile             |    1 +
 drivers/net/can/ti_hecc.c            | 1006 ++++++++++++++++++++++++++
 include/linux/can/platform/ti_hecc.h |   40 +
 4 files changed, 1054 insertions(+)
 create mode 100644 drivers/net/can/ti_hecc.c
 create mode 100644 include/linux/can/platform/ti_hecc.h

diff --git a/drivers/net/can/Kconfig b/drivers/net/can/Kconfig
index df32c109b7a..26d77cc0ded 100644
--- a/drivers/net/can/Kconfig
+++ b/drivers/net/can/Kconfig
@@ -95,6 +95,13 @@ config CAN_AT91
 	---help---
 	  This is a driver for the SoC CAN controller in Atmel's AT91SAM9263.
 
+config CAN_TI_HECC
+	depends on CAN_DEV && ARCH_OMAP3
+	tristate "TI High End CAN Controller"
+	---help---
+	  Driver for TI HECC (High End CAN Controller) module found on many
+	  TI devices. The device specifications are available from www.ti.com
+
 config CAN_DEBUG_DEVICES
 	bool "CAN devices debugging messages"
 	depends on CAN
diff --git a/drivers/net/can/Makefile b/drivers/net/can/Makefile
index 0dea62721f2..31f4ab5df28 100644
--- a/drivers/net/can/Makefile
+++ b/drivers/net/can/Makefile
@@ -11,5 +11,6 @@ obj-y				+= usb/
 
 obj-$(CONFIG_CAN_SJA1000)	+= sja1000/
 obj-$(CONFIG_CAN_AT91)		+= at91_can.o
+obj-$(CONFIG_CAN_TI_HECC)	+= ti_hecc.o
 
 ccflags-$(CONFIG_CAN_DEBUG_DEVICES) := -DDEBUG
diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c
new file mode 100644
index 00000000000..814e6c5c638
--- /dev/null
+++ b/drivers/net/can/ti_hecc.c
@@ -0,0 +1,1006 @@
+/*
+ * TI HECC (CAN) device driver
+ *
+ * This driver supports TI's HECC (High End CAN Controller module) and the
+ * specs for the same is available at <http://www.ti.com>
+ *
+ * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed as is WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+/*
+ * Your platform definitions should specify module ram offsets and interrupt
+ * number to use as follows:
+ *
+ * static struct ti_hecc_platform_data am3517_evm_hecc_pdata = {
+ *         .scc_hecc_offset        = 0,
+ *         .scc_ram_offset         = 0x3000,
+ *         .hecc_ram_offset        = 0x3000,
+ *         .mbx_offset             = 0x2000,
+ *         .int_line               = 0,
+ *         .revision               = 1,
+ * };
+ *
+ * Please see include/can/platform/ti_hecc.h for description of above fields
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/errno.h>
+#include <linux/netdevice.h>
+#include <linux/skbuff.h>
+#include <linux/platform_device.h>
+#include <linux/clk.h>
+
+#include <linux/can.h>
+#include <linux/can/dev.h>
+#include <linux/can/error.h>
+#include <linux/can/platform/ti_hecc.h>
+
+#define DRV_NAME "ti_hecc"
+#define HECC_MODULE_VERSION     "0.7"
+MODULE_VERSION(HECC_MODULE_VERSION);
+#define DRV_DESC "TI High End CAN Controller Driver " HECC_MODULE_VERSION
+
+/* TX / RX Mailbox Configuration */
+#define HECC_MAX_MAILBOXES	32	/* hardware mailboxes - do not change */
+#define MAX_TX_PRIO		0x3F	/* hardware value - do not change */
+
+/*
+ * Important Note: TX mailbox configuration
+ * TX mailboxes should be restricted to the number of SKB buffers to avoid
+ * maintaining SKB buffers separately. TX mailboxes should be a power of 2
+ * for the mailbox logic to work.  Top mailbox numbers are reserved for RX
+ * and lower mailboxes for TX.
+ *
+ * HECC_MAX_TX_MBOX	HECC_MB_TX_SHIFT
+ * 4 (default)		2
+ * 8			3
+ * 16			4
+ */
+#define HECC_MB_TX_SHIFT	2 /* as per table above */
+#define HECC_MAX_TX_MBOX	BIT(HECC_MB_TX_SHIFT)
+
+#if (HECC_MAX_TX_MBOX > CAN_ECHO_SKB_MAX)
+#error "HECC: MAX TX mailboxes should be equal or less than CAN_ECHO_SKB_MAX"
+#endif
+
+#define HECC_TX_PRIO_SHIFT	(HECC_MB_TX_SHIFT)
+#define HECC_TX_PRIO_MASK	(MAX_TX_PRIO << HECC_MB_TX_SHIFT)
+#define HECC_TX_MB_MASK		(HECC_MAX_TX_MBOX - 1)
+#define HECC_TX_MASK		((HECC_MAX_TX_MBOX - 1) | HECC_TX_PRIO_MASK)
+#define HECC_TX_MBOX_MASK	(~(BIT(HECC_MAX_TX_MBOX) - 1))
+#define HECC_DEF_NAPI_WEIGHT	HECC_MAX_RX_MBOX
+
+/*
+ * Important Note: RX mailbox configuration
+ * RX mailboxes are further logically split into two - main and buffer
+ * mailboxes. The goal is to get all packets into main mailboxes as
+ * driven by mailbox number and receive priority (higher to lower) and
+ * buffer mailboxes are used to receive pkts while main mailboxes are being
+ * processed. This ensures in-order packet reception.
+ *
+ * Here are the recommended values for buffer mailbox. Note that RX mailboxes
+ * start after TX mailboxes:
+ *
+ * HECC_MAX_RX_MBOX		HECC_RX_BUFFER_MBOX	No of buffer mailboxes
+ * 28				12			8
+ * 16				20			4
+ */
+
+#define HECC_MAX_RX_MBOX	(HECC_MAX_MAILBOXES - HECC_MAX_TX_MBOX)
+#define HECC_RX_BUFFER_MBOX	12 /* as per table above */
+#define HECC_RX_FIRST_MBOX	(HECC_MAX_MAILBOXES - 1)
+#define HECC_RX_HIGH_MBOX_MASK	(~(BIT(HECC_RX_BUFFER_MBOX) - 1))
+
+/* TI HECC module registers */
+#define HECC_CANME		0x0	/* Mailbox enable */
+#define HECC_CANMD		0x4	/* Mailbox direction */
+#define HECC_CANTRS		0x8	/* Transmit request set */
+#define HECC_CANTRR		0xC	/* Transmit request */
+#define HECC_CANTA		0x10	/* Transmission acknowledge */
+#define HECC_CANAA		0x14	/* Abort acknowledge */
+#define HECC_CANRMP		0x18	/* Receive message pending */
+#define HECC_CANRML		0x1C	/* Remote message lost */
+#define HECC_CANRFP		0x20	/* Remote frame pending */
+#define HECC_CANGAM		0x24	/* SECC only:Global acceptance mask */
+#define HECC_CANMC		0x28	/* Master control */
+#define HECC_CANBTC		0x2C	/* Bit timing configuration */
+#define HECC_CANES		0x30	/* Error and status */
+#define HECC_CANTEC		0x34	/* Transmit error counter */
+#define HECC_CANREC		0x38	/* Receive error counter */
+#define HECC_CANGIF0		0x3C	/* Global interrupt flag 0 */
+#define HECC_CANGIM		0x40	/* Global interrupt mask */
+#define HECC_CANGIF1		0x44	/* Global interrupt flag 1 */
+#define HECC_CANMIM		0x48	/* Mailbox interrupt mask */
+#define HECC_CANMIL		0x4C	/* Mailbox interrupt level */
+#define HECC_CANOPC		0x50	/* Overwrite protection control */
+#define HECC_CANTIOC		0x54	/* Transmit I/O control */
+#define HECC_CANRIOC		0x58	/* Receive I/O control */
+#define HECC_CANLNT		0x5C	/* HECC only: Local network time */
+#define HECC_CANTOC		0x60	/* HECC only: Time-out control */
+#define HECC_CANTOS		0x64	/* HECC only: Time-out status */
+#define HECC_CANTIOCE		0x68	/* SCC only:Enhanced TX I/O control */
+#define HECC_CANRIOCE		0x6C	/* SCC only:Enhanced RX I/O control */
+
+/* Mailbox registers */
+#define HECC_CANMID		0x0
+#define HECC_CANMCF		0x4
+#define HECC_CANMDL		0x8
+#define HECC_CANMDH		0xC
+
+#define HECC_SET_REG		0xFFFFFFFF
+#define HECC_CANID_MASK		0x3FF	/* 18 bits mask for extended id's */
+#define HECC_CCE_WAIT_COUNT     100	/* Wait for ~1 sec for CCE bit */
+
+#define HECC_CANMC_SCM		BIT(13)	/* SCC compat mode */
+#define HECC_CANMC_CCR		BIT(12)	/* Change config request */
+#define HECC_CANMC_PDR		BIT(11)	/* Local Power down - for sleep mode */
+#define HECC_CANMC_ABO		BIT(7)	/* Auto Bus On */
+#define HECC_CANMC_STM		BIT(6)	/* Self test mode - loopback */
+#define HECC_CANMC_SRES		BIT(5)	/* Software reset */
+
+#define HECC_CANTIOC_EN		BIT(3)	/* Enable CAN TX I/O pin */
+#define HECC_CANRIOC_EN		BIT(3)	/* Enable CAN RX I/O pin */
+
+#define HECC_CANMID_IDE		BIT(31)	/* Extended frame format */
+#define HECC_CANMID_AME		BIT(30)	/* Acceptance mask enable */
+#define HECC_CANMID_AAM		BIT(29)	/* Auto answer mode */
+
+#define HECC_CANES_FE		BIT(24)	/* form error */
+#define HECC_CANES_BE		BIT(23)	/* bit error */
+#define HECC_CANES_SA1		BIT(22)	/* stuck at dominant error */
+#define HECC_CANES_CRCE		BIT(21)	/* CRC error */
+#define HECC_CANES_SE		BIT(20)	/* stuff bit error */
+#define HECC_CANES_ACKE		BIT(19)	/* ack error */
+#define HECC_CANES_BO		BIT(18)	/* Bus off status */
+#define HECC_CANES_EP		BIT(17)	/* Error passive status */
+#define HECC_CANES_EW		BIT(16)	/* Error warning status */
+#define HECC_CANES_SMA		BIT(5)	/* suspend mode ack */
+#define HECC_CANES_CCE		BIT(4)	/* Change config enabled */
+#define HECC_CANES_PDA		BIT(3)	/* Power down mode ack */
+
+#define HECC_CANBTC_SAM		BIT(7)	/* sample points */
+
+#define HECC_BUS_ERROR		(HECC_CANES_FE | HECC_CANES_BE |\
+				HECC_CANES_CRCE | HECC_CANES_SE |\
+				HECC_CANES_ACKE)
+
+#define HECC_CANMCF_RTR		BIT(4)	/* Remote transmit request */
+
+#define HECC_CANGIF_MAIF	BIT(17)	/* Message alarm interrupt */
+#define HECC_CANGIF_TCOIF	BIT(16) /* Timer counter overflow int */
+#define HECC_CANGIF_GMIF	BIT(15)	/* Global mailbox interrupt */
+#define HECC_CANGIF_AAIF	BIT(14)	/* Abort ack interrupt */
+#define HECC_CANGIF_WDIF	BIT(13)	/* Write denied interrupt */
+#define HECC_CANGIF_WUIF	BIT(12)	/* Wake up interrupt */
+#define HECC_CANGIF_RMLIF	BIT(11)	/* Receive message lost interrupt */
+#define HECC_CANGIF_BOIF	BIT(10)	/* Bus off interrupt */
+#define HECC_CANGIF_EPIF	BIT(9)	/* Error passive interrupt */
+#define HECC_CANGIF_WLIF	BIT(8)	/* Warning level interrupt */
+#define HECC_CANGIF_MBOX_MASK	0x1F	/* Mailbox number mask */
+#define HECC_CANGIM_I1EN	BIT(1)	/* Int line 1 enable */
+#define HECC_CANGIM_I0EN	BIT(0)	/* Int line 0 enable */
+#define HECC_CANGIM_DEF_MASK	0x700	/* only busoff/warning/passive */
+#define HECC_CANGIM_SIL		BIT(2)	/* system interrupts to int line 1 */
+
+/* CAN Bittiming constants as per HECC specs */
+static struct can_bittiming_const ti_hecc_bittiming_const = {
+	.name = DRV_NAME,
+	.tseg1_min = 1,
+	.tseg1_max = 16,
+	.tseg2_min = 1,
+	.tseg2_max = 8,
+	.sjw_max = 4,
+	.brp_min = 1,
+	.brp_max = 256,
+	.brp_inc = 1,
+};
+
+struct ti_hecc_priv {
+	struct can_priv can;	/* MUST be first member/field */
+	struct napi_struct napi;
+	struct net_device *ndev;
+	struct clk *clk;
+	void __iomem *base;
+	u32 scc_ram_offset;
+	u32 hecc_ram_offset;
+	u32 mbx_offset;
+	u32 int_line;
+	spinlock_t mbx_lock; /* CANME register needs protection */
+	u32 tx_head;
+	u32 tx_tail;
+	u32 rx_next;
+};
+
+static inline int get_tx_head_mb(struct ti_hecc_priv *priv)
+{
+	return priv->tx_head & HECC_TX_MB_MASK;
+}
+
+static inline int get_tx_tail_mb(struct ti_hecc_priv *priv)
+{
+	return priv->tx_tail & HECC_TX_MB_MASK;
+}
+
+static inline int get_tx_head_prio(struct ti_hecc_priv *priv)
+{
+	return (priv->tx_head >> HECC_TX_PRIO_SHIFT) & MAX_TX_PRIO;
+}
+
+static inline void hecc_write_lam(struct ti_hecc_priv *priv, u32 mbxno, u32 val)
+{
+	__raw_writel(val, priv->base + priv->hecc_ram_offset + mbxno * 4);
+}
+
+static inline void hecc_write_mbx(struct ti_hecc_priv *priv, u32 mbxno,
+	u32 reg, u32 val)
+{
+	__raw_writel(val, priv->base + priv->mbx_offset + mbxno * 0x10 +
+			reg);
+}
+
+static inline u32 hecc_read_mbx(struct ti_hecc_priv *priv, u32 mbxno, u32 reg)
+{
+	return __raw_readl(priv->base + priv->mbx_offset + mbxno * 0x10 +
+			reg);
+}
+
+static inline void hecc_write(struct ti_hecc_priv *priv, u32 reg, u32 val)
+{
+	__raw_writel(val, priv->base + reg);
+}
+
+static inline u32 hecc_read(struct ti_hecc_priv *priv, int reg)
+{
+	return __raw_readl(priv->base + reg);
+}
+
+static inline void hecc_set_bit(struct ti_hecc_priv *priv, int reg,
+	u32 bit_mask)
+{
+	hecc_write(priv, reg, hecc_read(priv, reg) | bit_mask);
+}
+
+static inline void hecc_clear_bit(struct ti_hecc_priv *priv, int reg,
+	u32 bit_mask)
+{
+	hecc_write(priv, reg, hecc_read(priv, reg) & ~bit_mask);
+}
+
+static inline u32 hecc_get_bit(struct ti_hecc_priv *priv, int reg, u32 bit_mask)
+{
+	return (hecc_read(priv, reg) & bit_mask) ? 1 : 0;
+}
+
+static int ti_hecc_get_state(const struct net_device *ndev,
+	enum can_state *state)
+{
+	struct ti_hecc_priv *priv = netdev_priv(ndev);
+
+	*state = priv->can.state;
+	return 0;
+}
+
+static int ti_hecc_set_btc(struct ti_hecc_priv *priv)
+{
+	struct can_bittiming *bit_timing = &priv->can.bittiming;
+	u32 can_btc;
+
+	can_btc = (bit_timing->phase_seg2 - 1) & 0x7;
+	can_btc |= ((bit_timing->phase_seg1 + bit_timing->prop_seg - 1)
+			& 0xF) << 3;
+	if (priv->can.ctrlmode & CAN_CTRLMODE_3_SAMPLES) {
+		if (bit_timing->brp > 4)
+			can_btc |= HECC_CANBTC_SAM;
+		else
+			dev_warn(priv->ndev->dev.parent, "WARN: Triple" \
+				"sampling not set due to h/w limitations");
+	}
+	can_btc |= ((bit_timing->sjw - 1) & 0x3) << 8;
+	can_btc |= ((bit_timing->brp - 1) & 0xFF) << 16;
+
+	/* ERM being set to 0 by default meaning resync at falling edge */
+
+	hecc_write(priv, HECC_CANBTC, can_btc);
+	dev_info(priv->ndev->dev.parent, "setting CANBTC=%#x\n", can_btc);
+
+	return 0;
+}
+
+static void ti_hecc_reset(struct net_device *ndev)
+{
+	u32 cnt;
+	struct ti_hecc_priv *priv = netdev_priv(ndev);
+
+	dev_dbg(ndev->dev.parent, "resetting hecc ...\n");
+	hecc_set_bit(priv, HECC_CANMC, HECC_CANMC_SRES);
+
+	/* Set change control request and wait till enabled */
+	hecc_set_bit(priv, HECC_CANMC, HECC_CANMC_CCR);
+
+	/*
+	 * INFO: It has been observed that at times CCE bit may not be
+	 * set and hw seems to be ok even if this bit is not set so
+	 * timing out with a timing of 1ms to respect the specs
+	 */
+	cnt = HECC_CCE_WAIT_COUNT;
+	while (!hecc_get_bit(priv, HECC_CANES, HECC_CANES_CCE) && cnt != 0) {
+		--cnt;
+		udelay(10);
+	}
+
+	/*
+	 * Note: On HECC, BTC can be programmed only in initialization mode, so
+	 * it is expected that the can bittiming parameters are set via ip
+	 * utility before the device is opened
+	 */
+	ti_hecc_set_btc(priv);
+
+	/* Clear CCR (and CANMC register) and wait for CCE = 0 enable */
+	hecc_write(priv, HECC_CANMC, 0);
+
+	/*
+	 * INFO: CAN net stack handles bus off and hence disabling auto-bus-on
+	 * hecc_set_bit(priv, HECC_CANMC, HECC_CANMC_ABO);
+	 */
+
+	/*
+	 * INFO: It has been observed that at times CCE bit may not be
+	 * set and hw seems to be ok even if this bit is not set so
+	 */
+	cnt = HECC_CCE_WAIT_COUNT;
+	while (hecc_get_bit(priv, HECC_CANES, HECC_CANES_CCE) && cnt != 0) {
+		--cnt;
+		udelay(10);
+	}
+
+	/* Enable TX and RX I/O Control pins */
+	hecc_write(priv, HECC_CANTIOC, HECC_CANTIOC_EN);
+	hecc_write(priv, HECC_CANRIOC, HECC_CANRIOC_EN);
+
+	/* Clear registers for clean operation */
+	hecc_write(priv, HECC_CANTA, HECC_SET_REG);
+	hecc_write(priv, HECC_CANRMP, HECC_SET_REG);
+	hecc_write(priv, HECC_CANGIF0, HECC_SET_REG);
+	hecc_write(priv, HECC_CANGIF1, HECC_SET_REG);
+	hecc_write(priv, HECC_CANME, 0);
+	hecc_write(priv, HECC_CANMD, 0);
+
+	/* SCC compat mode NOT supported (and not needed too) */
+	hecc_set_bit(priv, HECC_CANMC, HECC_CANMC_SCM);
+}
+
+static void ti_hecc_start(struct net_device *ndev)
+{
+	struct ti_hecc_priv *priv = netdev_priv(ndev);
+	u32 cnt, mbxno, mbx_mask;
+
+	/* put HECC in initialization mode and set btc */
+	ti_hecc_reset(ndev);
+
+	priv->tx_head = priv->tx_tail = HECC_TX_MASK;
+	priv->rx_next = HECC_RX_FIRST_MBOX;
+
+	/* Enable local and global acceptance mask registers */
+	hecc_write(priv, HECC_CANGAM, HECC_SET_REG);
+
+	/* Prepare configured mailboxes to receive messages */
+	for (cnt = 0; cnt < HECC_MAX_RX_MBOX; cnt++) {
+		mbxno = HECC_MAX_MAILBOXES - 1 - cnt;
+		mbx_mask = BIT(mbxno);
+		hecc_clear_bit(priv, HECC_CANME, mbx_mask);
+		hecc_write_mbx(priv, mbxno, HECC_CANMID, HECC_CANMID_AME);
+		hecc_write_lam(priv, mbxno, HECC_SET_REG);
+		hecc_set_bit(priv, HECC_CANMD, mbx_mask);
+		hecc_set_bit(priv, HECC_CANME, mbx_mask);
+		hecc_set_bit(priv, HECC_CANMIM, mbx_mask);
+	}
+
+	/* Prevent message over-write & Enable interrupts */
+	hecc_write(priv, HECC_CANOPC, HECC_SET_REG);
+	if (priv->int_line) {
+		hecc_write(priv, HECC_CANMIL, HECC_SET_REG);
+		hecc_write(priv, HECC_CANGIM, HECC_CANGIM_DEF_MASK |
+			HECC_CANGIM_I1EN | HECC_CANGIM_SIL);
+	} else {
+		hecc_write(priv, HECC_CANMIL, 0);
+		hecc_write(priv, HECC_CANGIM,
+			HECC_CANGIM_DEF_MASK | HECC_CANGIM_I0EN);
+	}
+	priv->can.state = CAN_STATE_ERROR_ACTIVE;
+}
+
+static void ti_hecc_stop(struct net_device *ndev)
+{
+	struct ti_hecc_priv *priv = netdev_priv(ndev);
+
+	/* Disable interrupts and disable mailboxes */
+	hecc_write(priv, HECC_CANGIM, 0);
+	hecc_write(priv, HECC_CANMIM, 0);
+	hecc_write(priv, HECC_CANME, 0);
+	priv->can.state = CAN_STATE_STOPPED;
+}
+
+static int ti_hecc_do_set_mode(struct net_device *ndev, enum can_mode mode)
+{
+	int ret = 0;
+
+	switch (mode) {
+	case CAN_MODE_START:
+		ti_hecc_start(ndev);
+		netif_wake_queue(ndev);
+		break;
+	default:
+		ret = -EOPNOTSUPP;
+		break;
+	}
+
+	return ret;
+}
+
+/*
+ * ti_hecc_xmit: HECC Transmit
+ *
+ * The transmit mailboxes start from 0 to HECC_MAX_TX_MBOX. In HECC the
+ * priority of the mailbox for tranmission is dependent upon priority setting
+ * field in mailbox registers. The mailbox with highest value in priority field
+ * is transmitted first. Only when two mailboxes have the same value in
+ * priority field the highest numbered mailbox is transmitted first.
+ *
+ * To utilize the HECC priority feature as described above we start with the
+ * highest numbered mailbox with highest priority level and move on to the next
+ * mailbox with the same priority level and so on. Once we loop through all the
+ * transmit mailboxes we choose the next priority level (lower) and so on
+ * until we reach the lowest priority level on the lowest numbered mailbox
+ * when we stop transmission until all mailboxes are transmitted and then
+ * restart at highest numbered mailbox with highest priority.
+ *
+ * Two counters (head and tail) are used to track the next mailbox to transmit
+ * and to track the echo buffer for already transmitted mailbox. The queue
+ * is stopped when all the mailboxes are busy or when there is a priority
+ * value roll-over happens.
+ */
+static netdev_tx_t ti_hecc_xmit(struct sk_buff *skb, struct net_device *ndev)
+{
+	struct ti_hecc_priv *priv = netdev_priv(ndev);
+	struct can_frame *cf = (struct can_frame *)skb->data;
+	u32 mbxno, mbx_mask, data;
+	unsigned long flags;
+
+	mbxno = get_tx_head_mb(priv);
+	mbx_mask = BIT(mbxno);
+	spin_lock_irqsave(&priv->mbx_lock, flags);
+	if (unlikely(hecc_read(priv, HECC_CANME) & mbx_mask)) {
+		spin_unlock_irqrestore(&priv->mbx_lock, flags);
+		netif_stop_queue(ndev);
+		dev_err(priv->ndev->dev.parent,
+			"BUG: TX mbx not ready tx_head=%08X, tx_tail=%08X\n",
+			priv->tx_head, priv->tx_tail);
+		return NETDEV_TX_BUSY;
+	}
+	spin_unlock_irqrestore(&priv->mbx_lock, flags);
+
+	/* Prepare mailbox for transmission */
+	data = min_t(u8, cf->can_dlc, 8);
+	if (cf->can_id & CAN_RTR_FLAG) /* Remote transmission request */
+		data |= HECC_CANMCF_RTR;
+	data |= get_tx_head_prio(priv) << 8;
+	hecc_write_mbx(priv, mbxno, HECC_CANMCF, data);
+
+	if (cf->can_id & CAN_EFF_FLAG) /* Extended frame format */
+		data = (cf->can_id & CAN_EFF_MASK) | HECC_CANMID_IDE;
+	else /* Standard frame format */
+		data = (cf->can_id & CAN_SFF_MASK) << 18;
+	hecc_write_mbx(priv, mbxno, HECC_CANMID, data);
+	hecc_write_mbx(priv, mbxno, HECC_CANMDL,
+		be32_to_cpu(*(u32 *)(cf->data)));
+	if (cf->can_dlc > 4)
+		hecc_write_mbx(priv, mbxno, HECC_CANMDH,
+			be32_to_cpu(*(u32 *)(cf->data + 4)));
+	else
+		*(u32 *)(cf->data + 4) = 0;
+	can_put_echo_skb(skb, ndev, mbxno);
+
+	spin_lock_irqsave(&priv->mbx_lock, flags);
+	--priv->tx_head;
+	if ((hecc_read(priv, HECC_CANME) & BIT(get_tx_head_mb(priv))) ||
+		(priv->tx_head & HECC_TX_MASK) == HECC_TX_MASK) {
+		netif_stop_queue(ndev);
+	}
+	hecc_set_bit(priv, HECC_CANME, mbx_mask);
+	spin_unlock_irqrestore(&priv->mbx_lock, flags);
+
+	hecc_clear_bit(priv, HECC_CANMD, mbx_mask);
+	hecc_set_bit(priv, HECC_CANMIM, mbx_mask);
+	hecc_write(priv, HECC_CANTRS, mbx_mask);
+
+	return NETDEV_TX_OK;
+}
+
+static int ti_hecc_rx_pkt(struct ti_hecc_priv *priv, int mbxno)
+{
+	struct net_device_stats *stats = &priv->ndev->stats;
+	struct can_frame *cf;
+	struct sk_buff *skb;
+	u32 data, mbx_mask;
+	unsigned long flags;
+
+	skb = netdev_alloc_skb(priv->ndev, sizeof(struct can_frame));
+	if (!skb) {
+		if (printk_ratelimit())
+			dev_err(priv->ndev->dev.parent,
+				"ti_hecc_rx_pkt: netdev_alloc_skb() failed\n");
+		return -ENOMEM;
+	}
+	skb->protocol = __constant_htons(ETH_P_CAN);
+	skb->ip_summed = CHECKSUM_UNNECESSARY;
+
+	mbx_mask = BIT(mbxno);
+	cf = (struct can_frame *)skb_put(skb, sizeof(struct can_frame));
+	data = hecc_read_mbx(priv, mbxno, HECC_CANMID);
+	if (data & HECC_CANMID_IDE)
+		cf->can_id = (data & CAN_EFF_MASK) | CAN_EFF_FLAG;
+	else
+		cf->can_id = (data >> 18) & CAN_SFF_MASK;
+	data = hecc_read_mbx(priv, mbxno, HECC_CANMCF);
+	if (data & HECC_CANMCF_RTR)
+		cf->can_id |= CAN_RTR_FLAG;
+	cf->can_dlc = data & 0xF;
+	data = hecc_read_mbx(priv, mbxno, HECC_CANMDL);
+	*(u32 *)(cf->data) = cpu_to_be32(data);
+	if (cf->can_dlc > 4) {
+		data = hecc_read_mbx(priv, mbxno, HECC_CANMDH);
+		*(u32 *)(cf->data + 4) = cpu_to_be32(data);
+	} else {
+		*(u32 *)(cf->data + 4) = 0;
+	}
+	spin_lock_irqsave(&priv->mbx_lock, flags);
+	hecc_clear_bit(priv, HECC_CANME, mbx_mask);
+	hecc_write(priv, HECC_CANRMP, mbx_mask);
+	/* enable mailbox only if it is part of rx buffer mailboxes */
+	if (priv->rx_next < HECC_RX_BUFFER_MBOX)
+		hecc_set_bit(priv, HECC_CANME, mbx_mask);
+	spin_unlock_irqrestore(&priv->mbx_lock, flags);
+
+	stats->rx_bytes += cf->can_dlc;
+	netif_receive_skb(skb);
+	stats->rx_packets++;
+
+	return 0;
+}
+
+/*
+ * ti_hecc_rx_poll - HECC receive pkts
+ *
+ * The receive mailboxes start from highest numbered mailbox till last xmit
+ * mailbox. On CAN frame reception the hardware places the data into highest
+ * numbered mailbox that matches the CAN ID filter. Since all receive mailboxes
+ * have same filtering (ALL CAN frames) packets will arrive in the highest
+ * available RX mailbox and we need to ensure in-order packet reception.
+ *
+ * To ensure the packets are received in the right order we logically divide
+ * the RX mailboxes into main and buffer mailboxes. Packets are received as per
+ * mailbox priotity (higher to lower) in the main bank and once it is full we
+ * disable further reception into main mailboxes. While the main mailboxes are
+ * processed in NAPI, further packets are received in buffer mailboxes.
+ *
+ * We maintain a RX next mailbox counter to process packets and once all main
+ * mailboxe packets are passed to the upper stack we enable all of them but
+ * continue to process packets received in buffer mailboxes. With each packet
+ * received from buffer mailbox we enable it immediately so as to handle the
+ * overflow from higher mailboxes.
+ */
+static int ti_hecc_rx_poll(struct napi_struct *napi, int quota)
+{
+	struct net_device *ndev = napi->dev;
+	struct ti_hecc_priv *priv = netdev_priv(ndev);
+	u32 num_pkts = 0;
+	u32 mbx_mask;
+	unsigned long pending_pkts, flags;
+
+	if (!netif_running(ndev))
+		return 0;
+
+	while ((pending_pkts = hecc_read(priv, HECC_CANRMP)) &&
+		num_pkts < quota) {
+		mbx_mask = BIT(priv->rx_next); /* next rx mailbox to process */
+		if (mbx_mask & pending_pkts) {
+			if (ti_hecc_rx_pkt(priv, priv->rx_next) < 0)
+				return num_pkts;
+			++num_pkts;
+		} else if (priv->rx_next > HECC_RX_BUFFER_MBOX) {
+			break; /* pkt not received yet */
+		}
+		--priv->rx_next;
+		if (priv->rx_next == HECC_RX_BUFFER_MBOX) {
+			/* enable high bank mailboxes */
+			spin_lock_irqsave(&priv->mbx_lock, flags);
+			mbx_mask = hecc_read(priv, HECC_CANME);
+			mbx_mask |= HECC_RX_HIGH_MBOX_MASK;
+			hecc_write(priv, HECC_CANME, mbx_mask);
+			spin_unlock_irqrestore(&priv->mbx_lock, flags);
+		} else if (priv->rx_next == HECC_MAX_TX_MBOX - 1) {
+			priv->rx_next = HECC_RX_FIRST_MBOX;
+			break;
+		}
+	}
+
+	/* Enable packet interrupt if all pkts are handled */
+	if (hecc_read(priv, HECC_CANRMP) == 0) {
+		napi_complete(napi);
+		/* Re-enable RX mailbox interrupts */
+		mbx_mask = hecc_read(priv, HECC_CANMIM);
+		mbx_mask |= HECC_TX_MBOX_MASK;
+		hecc_write(priv, HECC_CANMIM, mbx_mask);
+	}
+
+	return num_pkts;
+}
+
+static int ti_hecc_error(struct net_device *ndev, int int_status,
+	int err_status)
+{
+	struct ti_hecc_priv *priv = netdev_priv(ndev);
+	struct net_device_stats *stats = &ndev->stats;
+	struct can_frame *cf;
+	struct sk_buff *skb;
+
+	/* propogate the error condition to the can stack */
+	skb = netdev_alloc_skb(ndev, sizeof(struct can_frame));
+	if (!skb) {
+		if (printk_ratelimit())
+			dev_err(priv->ndev->dev.parent,
+				"ti_hecc_error: netdev_alloc_skb() failed\n");
+		return -ENOMEM;
+	}
+	skb->protocol = __constant_htons(ETH_P_CAN);
+	skb->ip_summed = CHECKSUM_UNNECESSARY;
+	cf = (struct can_frame *)skb_put(skb, sizeof(struct can_frame));
+	memset(cf, 0, sizeof(struct can_frame));
+	cf->can_id = CAN_ERR_FLAG;
+	cf->can_dlc = CAN_ERR_DLC;
+
+	if (int_status & HECC_CANGIF_WLIF) { /* warning level int */
+		if ((int_status & HECC_CANGIF_BOIF) == 0) {
+			priv->can.state = CAN_STATE_ERROR_WARNING;
+			++priv->can.can_stats.error_warning;
+			cf->can_id |= CAN_ERR_CRTL;
+			if (hecc_read(priv, HECC_CANTEC) > 96)
+				cf->data[1] |= CAN_ERR_CRTL_TX_WARNING;
+			if (hecc_read(priv, HECC_CANREC) > 96)
+				cf->data[1] |= CAN_ERR_CRTL_RX_WARNING;
+		}
+		hecc_set_bit(priv, HECC_CANES, HECC_CANES_EW);
+		dev_dbg(priv->ndev->dev.parent, "Error Warning interrupt\n");
+		hecc_clear_bit(priv, HECC_CANMC, HECC_CANMC_CCR);
+	}
+
+	if (int_status & HECC_CANGIF_EPIF) { /* error passive int */
+		if ((int_status & HECC_CANGIF_BOIF) == 0) {
+			priv->can.state = CAN_STATE_ERROR_PASSIVE;
+			++priv->can.can_stats.error_passive;
+			cf->can_id |= CAN_ERR_CRTL;
+			if (hecc_read(priv, HECC_CANTEC) > 127)
+				cf->data[1] |= CAN_ERR_CRTL_TX_PASSIVE;
+			if (hecc_read(priv, HECC_CANREC) > 127)
+				cf->data[1] |= CAN_ERR_CRTL_RX_PASSIVE;
+		}
+		hecc_set_bit(priv, HECC_CANES, HECC_CANES_EP);
+		dev_dbg(priv->ndev->dev.parent, "Error passive interrupt\n");
+		hecc_clear_bit(priv, HECC_CANMC, HECC_CANMC_CCR);
+	}
+
+	/*
+	 * Need to check busoff condition in error status register too to
+	 * ensure warning interrupts don't hog the system
+	 */
+	if ((int_status & HECC_CANGIF_BOIF) || (err_status & HECC_CANES_BO)) {
+		priv->can.state = CAN_STATE_BUS_OFF;
+		cf->can_id |= CAN_ERR_BUSOFF;
+		hecc_set_bit(priv, HECC_CANES, HECC_CANES_BO);
+		hecc_clear_bit(priv, HECC_CANMC, HECC_CANMC_CCR);
+		/* Disable all interrupts in bus-off to avoid int hog */
+		hecc_write(priv, HECC_CANGIM, 0);
+		can_bus_off(ndev);
+	}
+
+	if (err_status & HECC_BUS_ERROR) {
+		++priv->can.can_stats.bus_error;
+		cf->can_id |= CAN_ERR_BUSERROR | CAN_ERR_PROT;
+		cf->data[2] |= CAN_ERR_PROT_UNSPEC;
+		if (err_status & HECC_CANES_FE) {
+			hecc_set_bit(priv, HECC_CANES, HECC_CANES_FE);
+			cf->data[2] |= CAN_ERR_PROT_FORM;
+		}
+		if (err_status & HECC_CANES_BE) {
+			hecc_set_bit(priv, HECC_CANES, HECC_CANES_BE);
+			cf->data[2] |= CAN_ERR_PROT_BIT;
+		}
+		if (err_status & HECC_CANES_SE) {
+			hecc_set_bit(priv, HECC_CANES, HECC_CANES_SE);
+			cf->data[2] |= CAN_ERR_PROT_STUFF;
+		}
+		if (err_status & HECC_CANES_CRCE) {
+			hecc_set_bit(priv, HECC_CANES, HECC_CANES_CRCE);
+			cf->data[2] |= CAN_ERR_PROT_LOC_CRC_SEQ |
+					CAN_ERR_PROT_LOC_CRC_DEL;
+		}
+		if (err_status & HECC_CANES_ACKE) {
+			hecc_set_bit(priv, HECC_CANES, HECC_CANES_ACKE);
+			cf->data[2] |= CAN_ERR_PROT_LOC_ACK |
+					CAN_ERR_PROT_LOC_ACK_DEL;
+		}
+	}
+
+	netif_receive_skb(skb);
+	stats->rx_packets++;
+	stats->rx_bytes += cf->can_dlc;
+	return 0;
+}
+
+static irqreturn_t ti_hecc_interrupt(int irq, void *dev_id)
+{
+	struct net_device *ndev = (struct net_device *)dev_id;
+	struct ti_hecc_priv *priv = netdev_priv(ndev);
+	struct net_device_stats *stats = &ndev->stats;
+	u32 mbxno, mbx_mask, int_status, err_status;
+	unsigned long ack, flags;
+
+	int_status = hecc_read(priv,
+		(priv->int_line) ? HECC_CANGIF1 : HECC_CANGIF0);
+
+	if (!int_status)
+		return IRQ_NONE;
+
+	err_status = hecc_read(priv, HECC_CANES);
+	if (err_status & (HECC_BUS_ERROR | HECC_CANES_BO |
+		HECC_CANES_EP | HECC_CANES_EW))
+			ti_hecc_error(ndev, int_status, err_status);
+
+	if (int_status & HECC_CANGIF_GMIF) {
+		while (priv->tx_tail - priv->tx_head > 0) {
+			mbxno = get_tx_tail_mb(priv);
+			mbx_mask = BIT(mbxno);
+			if (!(mbx_mask & hecc_read(priv, HECC_CANTA)))
+				break;
+			hecc_clear_bit(priv, HECC_CANMIM, mbx_mask);
+			hecc_write(priv, HECC_CANTA, mbx_mask);
+			spin_lock_irqsave(&priv->mbx_lock, flags);
+			hecc_clear_bit(priv, HECC_CANME, mbx_mask);
+			spin_unlock_irqrestore(&priv->mbx_lock, flags);
+			stats->tx_bytes += hecc_read_mbx(priv, mbxno,
+						HECC_CANMCF) & 0xF;
+			stats->tx_packets++;
+			can_get_echo_skb(ndev, mbxno);
+			--priv->tx_tail;
+		}
+
+		/* restart queue if wrap-up or if queue stalled on last pkt */
+		if (((priv->tx_head == priv->tx_tail) &&
+		((priv->tx_head & HECC_TX_MASK) != HECC_TX_MASK)) ||
+		(((priv->tx_tail & HECC_TX_MASK) == HECC_TX_MASK) &&
+		((priv->tx_head & HECC_TX_MASK) == HECC_TX_MASK)))
+			netif_wake_queue(ndev);
+
+		/* Disable RX mailbox interrupts and let NAPI reenable them */
+		if (hecc_read(priv, HECC_CANRMP)) {
+			ack = hecc_read(priv, HECC_CANMIM);
+			ack &= BIT(HECC_MAX_TX_MBOX) - 1;
+			hecc_write(priv, HECC_CANMIM, ack);
+			napi_schedule(&priv->napi);
+		}
+	}
+
+	/* clear all interrupt conditions - read back to avoid spurious ints */
+	if (priv->int_line) {
+		hecc_write(priv, HECC_CANGIF1, HECC_SET_REG);
+		int_status = hecc_read(priv, HECC_CANGIF1);
+	} else {
+		hecc_write(priv, HECC_CANGIF0, HECC_SET_REG);
+		int_status = hecc_read(priv, HECC_CANGIF0);
+	}
+
+	return IRQ_HANDLED;
+}
+
+static int ti_hecc_open(struct net_device *ndev)
+{
+	struct ti_hecc_priv *priv = netdev_priv(ndev);
+	int err;
+
+	err = request_irq(ndev->irq, ti_hecc_interrupt, IRQF_SHARED,
+			ndev->name, ndev);
+	if (err) {
+		dev_err(ndev->dev.parent, "error requesting interrupt\n");
+		return err;
+	}
+
+	/* Open common can device */
+	err = open_candev(ndev);
+	if (err) {
+		dev_err(ndev->dev.parent, "open_candev() failed %d\n", err);
+		free_irq(ndev->irq, ndev);
+		return err;
+	}
+
+	clk_enable(priv->clk);
+	ti_hecc_start(ndev);
+	napi_enable(&priv->napi);
+	netif_start_queue(ndev);
+
+	return 0;
+}
+
+static int ti_hecc_close(struct net_device *ndev)
+{
+	struct ti_hecc_priv *priv = netdev_priv(ndev);
+
+	netif_stop_queue(ndev);
+	napi_disable(&priv->napi);
+	ti_hecc_stop(ndev);
+	free_irq(ndev->irq, ndev);
+	clk_disable(priv->clk);
+	close_candev(ndev);
+
+	return 0;
+}
+
+static const struct net_device_ops ti_hecc_netdev_ops = {
+	.ndo_open		= ti_hecc_open,
+	.ndo_stop		= ti_hecc_close,
+	.ndo_start_xmit		= ti_hecc_xmit,
+};
+
+static int ti_hecc_probe(struct platform_device *pdev)
+{
+	struct net_device *ndev = (struct net_device *)0;
+	struct ti_hecc_priv *priv;
+	struct ti_hecc_platform_data *pdata;
+	struct resource *mem, *irq;
+	void __iomem *addr;
+	int err = -ENODEV;
+
+	pdata = pdev->dev.platform_data;
+	if (!pdata) {
+		dev_err(&pdev->dev, "No platform data\n");
+		goto probe_exit;
+	}
+
+	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!mem) {
+		dev_err(&pdev->dev, "No mem resources\n");
+		goto probe_exit;
+	}
+	irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	if (!irq) {
+		dev_err(&pdev->dev, "No irq resource\n");
+		goto probe_exit;
+	}
+	if (!request_mem_region(mem->start, resource_size(mem), pdev->name)) {
+		dev_err(&pdev->dev, "HECC region already claimed\n");
+		err = -EBUSY;
+		goto probe_exit;
+	}
+	addr = ioremap(mem->start, resource_size(mem));
+	if (!addr) {
+		dev_err(&pdev->dev, "ioremap failed\n");
+		err = -ENOMEM;
+		goto probe_exit_free_region;
+	}
+
+	ndev = alloc_candev(sizeof(struct ti_hecc_priv));
+	if (!ndev) {
+		dev_err(&pdev->dev, "alloc_candev failed\n");
+		err = -ENOMEM;
+		goto probe_exit_iounmap;
+	}
+
+	priv = netdev_priv(ndev);
+	priv->ndev = ndev;
+	priv->base = addr;
+	priv->scc_ram_offset = pdata->scc_ram_offset;
+	priv->hecc_ram_offset = pdata->hecc_ram_offset;
+	priv->mbx_offset = pdata->mbx_offset;
+	priv->int_line = pdata->int_line;
+
+	priv->can.bittiming_const = &ti_hecc_bittiming_const;
+	priv->can.do_set_mode = ti_hecc_do_set_mode;
+	priv->can.do_get_state = ti_hecc_get_state;
+
+	ndev->irq = irq->start;
+	ndev->flags |= IFF_ECHO;
+	platform_set_drvdata(pdev, ndev);
+	SET_NETDEV_DEV(ndev, &pdev->dev);
+	ndev->netdev_ops = &ti_hecc_netdev_ops;
+
+	priv->clk = clk_get(&pdev->dev, "hecc_ck");
+	if (IS_ERR(priv->clk)) {
+		dev_err(&pdev->dev, "No clock available\n");
+		err = PTR_ERR(priv->clk);
+		priv->clk = NULL;
+		goto probe_exit_candev;
+	}
+	priv->can.clock.freq = clk_get_rate(priv->clk);
+	netif_napi_add(ndev, &priv->napi, ti_hecc_rx_poll,
+		HECC_DEF_NAPI_WEIGHT);
+
+	err = register_candev(ndev);
+	if (err) {
+		dev_err(&pdev->dev, "register_candev() failed\n");
+		goto probe_exit_clk;
+	}
+	dev_info(&pdev->dev, "device registered (reg_base=%p, irq=%u)\n",
+		priv->base, (u32) ndev->irq);
+
+	return 0;
+
+probe_exit_clk:
+	clk_put(priv->clk);
+probe_exit_candev:
+	free_candev(ndev);
+probe_exit_iounmap:
+	iounmap(addr);
+probe_exit_free_region:
+	release_mem_region(mem->start, resource_size(mem));
+probe_exit:
+	return err;
+}
+
+static int __devexit ti_hecc_remove(struct platform_device *pdev)
+{
+	struct resource *res;
+	struct net_device *ndev = platform_get_drvdata(pdev);
+	struct ti_hecc_priv *priv = netdev_priv(ndev);
+
+	clk_put(priv->clk);
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	iounmap(priv->base);
+	release_mem_region(res->start, resource_size(res));
+	unregister_candev(ndev);
+	free_candev(ndev);
+	platform_set_drvdata(pdev, NULL);
+
+	return 0;
+}
+
+/* TI HECC netdevice driver: platform driver structure */
+static struct platform_driver ti_hecc_driver = {
+	.driver = {
+		.name    = DRV_NAME,
+		.owner   = THIS_MODULE,
+	},
+	.probe = ti_hecc_probe,
+	.remove = __devexit_p(ti_hecc_remove),
+};
+
+static int __init ti_hecc_init_driver(void)
+{
+	printk(KERN_INFO DRV_DESC "\n");
+	return platform_driver_register(&ti_hecc_driver);
+}
+module_init(ti_hecc_init_driver);
+
+static void __exit ti_hecc_exit_driver(void)
+{
+	printk(KERN_INFO DRV_DESC " unloaded\n");
+	platform_driver_unregister(&ti_hecc_driver);
+}
+module_exit(ti_hecc_exit_driver);
+
+MODULE_AUTHOR("Anant Gole <anantgole@ti.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION(DRV_DESC);
diff --git a/include/linux/can/platform/ti_hecc.h b/include/linux/can/platform/ti_hecc.h
new file mode 100644
index 00000000000..4688c7bb1bd
--- /dev/null
+++ b/include/linux/can/platform/ti_hecc.h
@@ -0,0 +1,40 @@
+/*
+ * TI HECC (High End CAN Controller) driver platform header
+ *
+ * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed as is WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+/**
+ * struct hecc_platform_data - HECC Platform Data
+ *
+ * @scc_hecc_offset:	mostly 0 - should really never change
+ * @scc_ram_offset:	SCC RAM offset
+ * @hecc_ram_offset:	HECC RAM offset
+ * @mbx_offset:		Mailbox RAM offset
+ * @int_line:		Interrupt line to use - 0 or 1
+ * @version:		version for future use
+ *
+ * Platform data structure to get all platform specific settings.
+ * this structure also accounts the fact that the IP may have different
+ * RAM and mailbox offsets for different SOC's
+ */
+struct ti_hecc_platform_data {
+	u32 scc_hecc_offset;
+	u32 scc_ram_offset;
+	u32 hecc_ram_offset;
+	u32 mbx_offset;
+	u32 int_line;
+	u32 version;
+};
+
+
-- 
GitLab


From e0e6f55d298af03ab88bfe8455b671d29d78f426 Mon Sep 17 00:00:00 2001
From: Jin Dongming <jin.dongming@np.css.fujitsu.com>
Date: Thu, 8 Oct 2009 22:44:47 -0700
Subject: [PATCH 0213/1815] ipv6: Fix the size overflow of addrconf_sysctl
 array

(This patch fixes bug of commit f7734fdf61ec6bb848e0bafc1fb8bad2c124bb50
 title "make TLLAO option for NA packets configurable")

When the IPV6 conf is used, the function sysctl_set_parent is called and the
array addrconf_sysctl is used as a parameter of the function.

The above patch added new conf "force_tllao" into the array addrconf_sysctl,
but the size of the array was not modified, the static allocated size is
DEVCONF_MAX + 1 but the real size is DEVCONF_MAX + 2, so the problem is
that the function sysctl_set_parent accessed wrong address.

I got the following information.
Call Trace:
    [<ffffffff8106085d>] sysctl_set_parent+0x29/0x3e
    [<ffffffff8106085d>] sysctl_set_parent+0x29/0x3e
    [<ffffffff8106085d>] sysctl_set_parent+0x29/0x3e
    [<ffffffff8106085d>] sysctl_set_parent+0x29/0x3e
    [<ffffffff8106085d>] sysctl_set_parent+0x29/0x3e
    [<ffffffff810622d5>] __register_sysctl_paths+0xde/0x272
    [<ffffffff8110892d>] ? __kmalloc_track_caller+0x16e/0x180
    [<ffffffffa00cfac3>] ? __addrconf_sysctl_register+0xc5/0x144 [ipv6]
    [<ffffffff8141f2c9>] register_net_sysctl_table+0x48/0x4b
    [<ffffffffa00cfaf5>] __addrconf_sysctl_register+0xf7/0x144 [ipv6]
    [<ffffffffa00cfc16>] addrconf_init_net+0xd4/0x104 [ipv6]
    [<ffffffff8139195f>] setup_net+0x35/0x82
    [<ffffffff81391f6c>] copy_net_ns+0x76/0xe0
    [<ffffffff8107ad60>] create_new_namespaces+0xf0/0x16e
    [<ffffffff8107afee>] copy_namespaces+0x65/0x9f
    [<ffffffff81056dff>] copy_process+0xb2c/0x12c3
    [<ffffffff810576e1>] do_fork+0x14b/0x2d2
    [<ffffffff8107ac4e>] ? up_read+0xe/0x10
    [<ffffffff81438e73>] ? do_page_fault+0x27a/0x2aa
    [<ffffffff8101044b>] sys_clone+0x28/0x2a
    [<ffffffff81011fb3>] stub_clone+0x13/0x20
    [<ffffffff81011c72>] ? system_call_fastpath+0x16/0x1b

And the information of IPV6 in .config is as following.
IPV6 in .config:
    CONFIG_IPV6=m
    CONFIG_IPV6_PRIVACY=y
    CONFIG_IPV6_ROUTER_PREF=y
    CONFIG_IPV6_ROUTE_INFO=y
    CONFIG_IPV6_OPTIMISTIC_DAD=y
    CONFIG_IPV6_MIP6=m
    CONFIG_IPV6_SIT=m
    # CONFIG_IPV6_SIT_6RD is not set
    CONFIG_IPV6_NDISC_NODETYPE=y
    CONFIG_IPV6_TUNNEL=m
    CONFIG_IPV6_MULTIPLE_TABLES=y
    CONFIG_IPV6_SUBTREES=y
    CONFIG_IPV6_MROUTE=y
    CONFIG_IPV6_PIMSM_V2=y
    # CONFIG_IP_VS_IPV6 is not set
    CONFIG_NF_CONNTRACK_IPV6=m
    CONFIG_IP6_NF_MATCH_IPV6HEADER=m

I confirmed this patch fixes this problem.

Signed-off-by: Jin Dongming <jin.dongming@np.css.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/ipv6.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index ae74ede1abe..56404251248 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -208,6 +208,7 @@ enum {
 	DEVCONF_MC_FORWARDING,
 	DEVCONF_DISABLE_IPV6,
 	DEVCONF_ACCEPT_DAD,
+	DEVCONF_FORCE_TLLAO,
 	DEVCONF_MAX
 };
 
-- 
GitLab


From 38ad1c8e8c8debf73b28543a3250a01f799f78ef Mon Sep 17 00:00:00 2001
From: Don Skidmore <donald.c.skidmore@intel.com>
Date: Thu, 8 Oct 2009 15:35:58 +0000
Subject: [PATCH 0214/1815] ixgbe: add support for 82599 based Express Module
 X520-P2

This patch will add the device ID for the 82599-based Ethernet
Express Module X520-P2 SFI card.

Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ixgbe/ixgbe_82599.c | 1 +
 drivers/net/ixgbe/ixgbe_main.c  | 2 ++
 drivers/net/ixgbe/ixgbe_type.h  | 1 +
 3 files changed, 4 insertions(+)

diff --git a/drivers/net/ixgbe/ixgbe_82599.c b/drivers/net/ixgbe/ixgbe_82599.c
index 34b04924c8a..ecb753b33d2 100644
--- a/drivers/net/ixgbe/ixgbe_82599.c
+++ b/drivers/net/ixgbe/ixgbe_82599.c
@@ -337,6 +337,7 @@ static enum ixgbe_media_type ixgbe_get_media_type_82599(struct ixgbe_hw *hw)
 		media_type = ixgbe_media_type_backplane;
 		break;
 	case IXGBE_DEV_ID_82599_SFP:
+	case IXGBE_DEV_ID_82599_SFP_EM:
 		media_type = ixgbe_media_type_fiber;
 		break;
 	case IXGBE_DEV_ID_82599_CX4:
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index c91d50e5442..eb3abd79e4e 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -97,6 +97,8 @@ static struct pci_device_id ixgbe_pci_tbl[] = {
 	 board_82599 },
 	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_SFP),
 	 board_82599 },
+	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_SFP_EM),
+	 board_82599 },
 	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_KX4_MEZZ),
 	 board_82599 },
 	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_CX4),
diff --git a/drivers/net/ixgbe/ixgbe_type.h b/drivers/net/ixgbe/ixgbe_type.h
index ef4bdd58e01..42232b1605f 100644
--- a/drivers/net/ixgbe/ixgbe_type.h
+++ b/drivers/net/ixgbe/ixgbe_type.h
@@ -52,6 +52,7 @@
 #define IXGBE_DEV_ID_82599_KX4_MEZZ      0x1514
 #define IXGBE_DEV_ID_82599_CX4           0x10F9
 #define IXGBE_DEV_ID_82599_SFP           0x10FB
+#define IXGBE_DEV_ID_82599_SFP_EM        0x1507
 #define IXGBE_DEV_ID_82599_XAUI_LOM      0x10FC
 #define IXGBE_DEV_ID_82599_COMBO_BACKPLANE 0x10F8
 
-- 
GitLab


From cd7e1f0b056c071860db65c847a854b3093d6606 Mon Sep 17 00:00:00 2001
From: Don Skidmore <donald.c.skidmore@intel.com>
Date: Thu, 8 Oct 2009 15:36:22 +0000
Subject: [PATCH 0215/1815] ixgbe: Fix KR to KX fail over for Mezzanine cards

This patch allows the recently added backplane device IDs that support KR
to fail over to KX during link setup.  This is accomplished by the new MAC
link setup function ixgbe_setup_mac_link_smartspeed().  Comments were also
updated to better document the reason for the delays chosen for KX, KX4, BX,
BX4 and KR connections.

Signed-off-by: Don Skidmore <don.c.skidmore@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ixgbe/ixgbe_82599.c | 127 +++++++++++++++++++++++++++++++-
 drivers/net/ixgbe/ixgbe_type.h  |  10 +++
 2 files changed, 134 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ixgbe/ixgbe_82599.c b/drivers/net/ixgbe/ixgbe_82599.c
index ecb753b33d2..ae27c41222e 100644
--- a/drivers/net/ixgbe/ixgbe_82599.c
+++ b/drivers/net/ixgbe/ixgbe_82599.c
@@ -42,6 +42,10 @@ s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
                                           ixgbe_link_speed speed,
                                           bool autoneg,
                                           bool autoneg_wait_to_complete);
+static s32 ixgbe_setup_mac_link_smartspeed(struct ixgbe_hw *hw,
+                                           ixgbe_link_speed speed,
+                                           bool autoneg,
+                                           bool autoneg_wait_to_complete);
 s32 ixgbe_start_mac_link_82599(struct ixgbe_hw *hw,
                                bool autoneg_wait_to_complete);
 s32 ixgbe_setup_mac_link_82599(struct ixgbe_hw *hw,
@@ -64,7 +68,13 @@ static void ixgbe_init_mac_link_ops_82599(struct ixgbe_hw *hw)
 		/* Set up dual speed SFP+ support */
 		mac->ops.setup_link = &ixgbe_setup_mac_link_multispeed_fiber;
 	} else {
-		mac->ops.setup_link = &ixgbe_setup_mac_link_82599;
+		if ((mac->ops.get_media_type(hw) ==
+		     ixgbe_media_type_backplane) &&
+		    (hw->phy.smart_speed == ixgbe_smart_speed_auto ||
+		     hw->phy.smart_speed == ixgbe_smart_speed_on))
+			mac->ops.setup_link = &ixgbe_setup_mac_link_smartspeed;
+		else
+			mac->ops.setup_link = &ixgbe_setup_mac_link_82599;
 	}
 }
 
@@ -480,7 +490,12 @@ s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
 			hw->mac.autotry_restart = false;
 		}
 
-		/* The controller may take up to 500ms at 10g to acquire link */
+		/*
+		 * Wait for the controller to acquire link.  Per IEEE 802.3ap,
+		 * Section 73.10.2, we may have to wait up to 500ms if KR is
+		 * attempted.  82599 uses the same timing for 10g SFI.
+		 */
+
 		for (i = 0; i < 5; i++) {
 			/* Wait for the link partner to also set speed */
 			msleep(100);
@@ -567,6 +582,111 @@ out:
 	return status;
 }
 
+/**
+ *  ixgbe_setup_mac_link_smartspeed - Set MAC link speed using SmartSpeed
+ *  @hw: pointer to hardware structure
+ *  @speed: new link speed
+ *  @autoneg: true if autonegotiation enabled
+ *  @autoneg_wait_to_complete: true when waiting for completion is needed
+ *
+ *  Implements the Intel SmartSpeed algorithm.
+ **/
+static s32 ixgbe_setup_mac_link_smartspeed(struct ixgbe_hw *hw,
+				     ixgbe_link_speed speed, bool autoneg,
+				     bool autoneg_wait_to_complete)
+{
+	s32 status = 0;
+	ixgbe_link_speed link_speed;
+	s32 i, j;
+	bool link_up = false;
+	u32 autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
+
+	hw_dbg(hw, "ixgbe_setup_mac_link_smartspeed.\n");
+
+	 /* Set autoneg_advertised value based on input link speed */
+	hw->phy.autoneg_advertised = 0;
+
+	if (speed & IXGBE_LINK_SPEED_10GB_FULL)
+		hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_10GB_FULL;
+
+	if (speed & IXGBE_LINK_SPEED_1GB_FULL)
+		hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_1GB_FULL;
+
+	if (speed & IXGBE_LINK_SPEED_100_FULL)
+		hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_100_FULL;
+
+	/*
+	 * Implement Intel SmartSpeed algorithm.  SmartSpeed will reduce the
+	 * autoneg advertisement if link is unable to be established at the
+	 * highest negotiated rate.  This can sometimes happen due to integrity
+	 * issues with the physical media connection.
+	 */
+
+	/* First, try to get link with full advertisement */
+	hw->phy.smart_speed_active = false;
+	for (j = 0; j < IXGBE_SMARTSPEED_MAX_RETRIES; j++) {
+		status = ixgbe_setup_mac_link_82599(hw, speed, autoneg,
+						    autoneg_wait_to_complete);
+		if (status)
+			goto out;
+
+		/*
+		 * Wait for the controller to acquire link.  Per IEEE 802.3ap,
+		 * Section 73.10.2, we may have to wait up to 500ms if KR is
+		 * attempted, or 200ms if KX/KX4/BX/BX4 is attempted, per
+		 * Table 9 in the AN MAS.
+		 */
+		for (i = 0; i < 5; i++) {
+			mdelay(100);
+
+			/* If we have link, just jump out */
+			hw->mac.ops.check_link(hw, &link_speed,
+			                       &link_up, false);
+			if (link_up)
+				goto out;
+		}
+	}
+
+	/*
+	 * We didn't get link.  If we advertised KR plus one of KX4/KX
+	 * (or BX4/BX), then disable KR and try again.
+	 */
+	if (((autoc_reg & IXGBE_AUTOC_KR_SUPP) == 0) ||
+	    ((autoc_reg & IXGBE_AUTOC_KX4_KX_SUPP_MASK) == 0))
+		goto out;
+
+	/* Turn SmartSpeed on to disable KR support */
+	hw->phy.smart_speed_active = true;
+	status = ixgbe_setup_mac_link_82599(hw, speed, autoneg,
+					    autoneg_wait_to_complete);
+	if (status)
+		goto out;
+
+	/*
+	 * Wait for the controller to acquire link.  600ms will allow for
+	 * the AN link_fail_inhibit_timer as well for multiple cycles of
+	 * parallel detect, both 10g and 1g. This allows for the maximum
+	 * connect attempts as defined in the AN MAS table 73-7.
+	 */
+	for (i = 0; i < 6; i++) {
+		mdelay(100);
+
+		/* If we have link, just jump out */
+		hw->mac.ops.check_link(hw, &link_speed,
+		                       &link_up, false);
+		if (link_up)
+			goto out;
+	}
+
+	/* We didn't get link.  Turn SmartSpeed back off. */
+	hw->phy.smart_speed_active = false;
+	status = ixgbe_setup_mac_link_82599(hw, speed, autoneg,
+					    autoneg_wait_to_complete);
+
+out:
+	return status;
+}
+
 /**
  *  ixgbe_check_mac_link_82599 - Determine link and speed status
  *  @hw: pointer to hardware structure
@@ -670,7 +790,8 @@ s32 ixgbe_setup_mac_link_82599(struct ixgbe_hw *hw,
 		if (speed & IXGBE_LINK_SPEED_10GB_FULL)
 			if (orig_autoc & IXGBE_AUTOC_KX4_SUPP)
 				autoc |= IXGBE_AUTOC_KX4_SUPP;
-			if (orig_autoc & IXGBE_AUTOC_KR_SUPP)
+			if ((orig_autoc & IXGBE_AUTOC_KR_SUPP) &&
+			    (hw->phy.smart_speed_active == false))
 				autoc |= IXGBE_AUTOC_KR_SUPP;
 		if (speed & IXGBE_LINK_SPEED_1GB_FULL)
 			autoc |= IXGBE_AUTOC_KX_SUPP;
diff --git a/drivers/net/ixgbe/ixgbe_type.h b/drivers/net/ixgbe/ixgbe_type.h
index 42232b1605f..1cab53eb22f 100644
--- a/drivers/net/ixgbe/ixgbe_type.h
+++ b/drivers/net/ixgbe/ixgbe_type.h
@@ -2172,6 +2172,14 @@ enum ixgbe_fc_mode {
 	ixgbe_fc_default
 };
 
+/* Smart Speed Settings */
+#define IXGBE_SMARTSPEED_MAX_RETRIES	3
+enum ixgbe_smart_speed {
+	ixgbe_smart_speed_auto = 0,
+	ixgbe_smart_speed_on,
+	ixgbe_smart_speed_off
+};
+
 /* PCI bus types */
 enum ixgbe_bus_type {
 	ixgbe_bus_type_unknown = 0,
@@ -2432,6 +2440,8 @@ struct ixgbe_phy_info {
 	enum ixgbe_media_type           media_type;
 	bool                            reset_disable;
 	ixgbe_autoneg_advertised        autoneg_advertised;
+	enum ixgbe_smart_speed          smart_speed;
+	bool                            smart_speed_active;
 	bool                            multispeed_fiber;
 };
 
-- 
GitLab


From af1fc67c1a803d303b59e54be45fe3329103e7db Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Thu, 8 Oct 2009 01:00:18 -0400
Subject: [PATCH 0216/1815] ath9k: use right parameter for MODULE_PARM_DESC()
 for debug

Reported-by: sujith.manoharan@atheros.com
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 36af6f32652..69cf702b18c 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -31,7 +31,7 @@ MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption");
 
 static unsigned int ath9k_debug = ATH_DBG_DEFAULT;
 module_param_named(debug, ath9k_debug, uint, 0);
-MODULE_PARM_DESC(ath9k_debug, "Debugging mask");
+MODULE_PARM_DESC(debug, "Debugging mask");
 
 /* We use the hw_value as an index into our private channel structure */
 
-- 
GitLab


From 7891849e5a79eb1e6ddc12abf75a69981f567b98 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Thu, 8 Oct 2009 16:46:09 -0400
Subject: [PATCH 0217/1815] libertas: remove double assignment of
 dev->netdev_ops

This came in through the patch titled:
    libertas: first stab at cfg80211 support

I only noticed it because it breaks compat-wireless :)

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Acked-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/main.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index e6da1dfa813..87bfd17b9c8 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -1276,7 +1276,6 @@ struct lbs_private *lbs_add_card(void *card, struct device *dmdev)
 		goto err_adapter;
 	}
 
-	dev->netdev_ops = &lbs_netdev_ops;
 	dev->ieee80211_ptr = wdev;
 	dev->ml_priv = priv;
 	SET_NETDEV_DEV(dev, dmdev);
-- 
GitLab


From 5718f5009b114372fc237254906812c0d6e57ab1 Mon Sep 17 00:00:00 2001
From: Holger Schurig <hs4233@mail.mn-solutions.de>
Date: Fri, 9 Oct 2009 09:10:34 +0200
Subject: [PATCH 0218/1815] libertas: depend on CONFIG_CFG80211

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/libertas/Kconfig b/drivers/net/wireless/libertas/Kconfig
index 77aec7cd03e..8f8d75b61ea 100644
--- a/drivers/net/wireless/libertas/Kconfig
+++ b/drivers/net/wireless/libertas/Kconfig
@@ -1,6 +1,6 @@
 config LIBERTAS
 	tristate "Marvell 8xxx Libertas WLAN driver support"
-	depends on WLAN_80211
+	depends on WLAN_80211 && CFG80211
 	select WIRELESS_EXT
 	select WEXT_SPY
 	select LIB80211
-- 
GitLab


From eab2ec83dbf0e32e28f3108f302ffdaa225d4cce Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Fri, 9 Oct 2009 18:17:05 +0200
Subject: [PATCH 0219/1815] wireless: make wireless drivers select core

It is somewhat non-sensical to allow selecting wireless
drivers without showing wireless core code options, and
since the wext refactoring this has made it possible to
generate configurations that will not build. Avoid this
and make wireless drivers select the wireless options.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig
index 18255fb28d1..85f8bf4112c 100644
--- a/drivers/net/wireless/Kconfig
+++ b/drivers/net/wireless/Kconfig
@@ -5,6 +5,7 @@
 menuconfig WLAN
 	bool "Wireless LAN"
 	depends on !S390
+	select WIRELESS
 	default y
 	---help---
 	  This section contains all the pre 802.11 and 802.11 wireless
-- 
GitLab


From 1d1023d039d8295070b8dbb92c4d972237235304 Mon Sep 17 00:00:00 2001
From: Ron Mercer <ron.mercer@qlogic.com>
Date: Sat, 10 Oct 2009 09:35:03 +0000
Subject: [PATCH 0220/1815] qlge: Remove explicit setting of PCI Dev CTL reg.

Remove explicit setting of error reporting bits.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/qlge/qlge_main.c | 16 +---------------
 1 file changed, 1 insertion(+), 15 deletions(-)

diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index cd093db29ad..9fbded4d719 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -3868,8 +3868,7 @@ static int __devinit ql_init_device(struct pci_dev *pdev,
 				    struct net_device *ndev, int cards_found)
 {
 	struct ql_adapter *qdev = netdev_priv(ndev);
-	int pos, err = 0;
-	u16 val16;
+	int err = 0;
 
 	memset((void *)qdev, 0, sizeof(*qdev));
 	err = pci_enable_device(pdev);
@@ -3881,19 +3880,6 @@ static int __devinit ql_init_device(struct pci_dev *pdev,
 	qdev->ndev = ndev;
 	qdev->pdev = pdev;
 	pci_set_drvdata(pdev, ndev);
-	pos = pci_find_capability(pdev, PCI_CAP_ID_EXP);
-	if (pos <= 0) {
-		dev_err(&pdev->dev, PFX "Cannot find PCI Express capability, "
-			"aborting.\n");
-		return pos;
-	} else {
-		pci_read_config_word(pdev, pos + PCI_EXP_DEVCTL, &val16);
-		val16 &= ~PCI_EXP_DEVCTL_NOSNOOP_EN;
-		val16 |= (PCI_EXP_DEVCTL_CERE |
-			  PCI_EXP_DEVCTL_NFERE |
-			  PCI_EXP_DEVCTL_FERE | PCI_EXP_DEVCTL_URRE);
-		pci_write_config_word(pdev, pos + PCI_EXP_DEVCTL, val16);
-	}
 
 	err = pci_request_regions(pdev, DRV_NAME);
 	if (err) {
-- 
GitLab


From bc9167f39ff8cd428e8577eb72751a653008edb2 Mon Sep 17 00:00:00 2001
From: Ron Mercer <ron.mercer@qlogic.com>
Date: Sat, 10 Oct 2009 09:35:04 +0000
Subject: [PATCH 0221/1815] qlge: Set PCIE max read request size.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/qlge/qlge_main.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 9fbded4d719..20a118dc62e 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -3881,6 +3881,13 @@ static int __devinit ql_init_device(struct pci_dev *pdev,
 	qdev->pdev = pdev;
 	pci_set_drvdata(pdev, ndev);
 
+	/* Set PCIe read request size */
+	err = pcie_set_readrq(pdev, 4096);
+	if (err) {
+		dev_err(&pdev->dev, "Set readrq failed.\n");
+		goto err_out;
+	}
+
 	err = pci_request_regions(pdev, DRV_NAME);
 	if (err) {
 		dev_err(&pdev->dev, "PCI region request failed.\n");
-- 
GitLab


From 91ced682f9de17ebab5fcb2a70b48e372eb43281 Mon Sep 17 00:00:00 2001
From: Ron Mercer <ron.mercer@qlogic.com>
Date: Sat, 10 Oct 2009 09:35:05 +0000
Subject: [PATCH 0222/1815] qlge: Add handler for DCBX firmware event.

The driver has nothing to do, but this marker prevents the event from
showing up 'not handled'.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/qlge/qlge_mpi.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/qlge/qlge_mpi.c b/drivers/net/qlge/qlge_mpi.c
index 99e58e3f8e2..2e83c4b8ced 100644
--- a/drivers/net/qlge/qlge_mpi.c
+++ b/drivers/net/qlge/qlge_mpi.c
@@ -446,6 +446,9 @@ static int ql_mpi_handler(struct ql_adapter *qdev, struct mbox_params *mbcp)
 		ql_aen_lost(qdev, mbcp);
 		break;
 
+	case AEN_DCBX_CHG:
+		/* Need to support AEN 8110 */
+		break;
 	default:
 		QPRINTK(qdev, DRV, ERR,
 			"Unsupported AE %.08x.\n", mbcp->mbox_out[0]);
-- 
GitLab


From 88051b4e4f270966b9e2ec070822513c46083fe1 Mon Sep 17 00:00:00 2001
From: Ron Mercer <ron.mercer@qlogic.com>
Date: Sat, 10 Oct 2009 09:35:06 +0000
Subject: [PATCH 0223/1815] qlge: Store firmware revision as early as possible.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/qlge/qlge_mpi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/qlge/qlge_mpi.c b/drivers/net/qlge/qlge_mpi.c
index 2e83c4b8ced..9c0dfe01739 100644
--- a/drivers/net/qlge/qlge_mpi.c
+++ b/drivers/net/qlge/qlge_mpi.c
@@ -317,6 +317,7 @@ static void ql_init_fw_done(struct ql_adapter *qdev, struct mbox_params *mbcp)
 	} else {
 		QPRINTK(qdev, DRV, ERR, "Firmware Revision  = 0x%.08x.\n",
 			mbcp->mbox_out[1]);
+		qdev->fw_rev_id = mbcp->mbox_out[1];
 		status = ql_cam_route_initialize(qdev);
 		if (status)
 			QPRINTK(qdev, IFUP, ERR,
-- 
GitLab


From 52e55f3cde3ac3c7982dbc0cc67075456b135a31 Mon Sep 17 00:00:00 2001
From: Ron Mercer <ron.mercer@qlogic.com>
Date: Sat, 10 Oct 2009 09:35:07 +0000
Subject: [PATCH 0224/1815] qlge: Remove inline math for small rx buf mapping.

rx_ring->sbq_buf_len now holds the length of the mapped portion of the
buffer rather than the overall length.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/qlge/qlge.h      |  3 ++-
 drivers/net/qlge/qlge_main.c | 14 +++++++-------
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h
index f6bd22495f5..cef930bfcc7 100644
--- a/drivers/net/qlge/qlge.h
+++ b/drivers/net/qlge/qlge.h
@@ -54,7 +54,8 @@
 #define RX_RING_SHADOW_SPACE	(sizeof(u64) + \
 		MAX_DB_PAGES_PER_BQ(NUM_SMALL_BUFFERS) * sizeof(u64) + \
 		MAX_DB_PAGES_PER_BQ(NUM_LARGE_BUFFERS) * sizeof(u64))
-#define SMALL_BUFFER_SIZE 256
+#define SMALL_BUFFER_SIZE 512
+#define SMALL_BUF_MAP_SIZE (SMALL_BUFFER_SIZE / 2)
 #define LARGE_BUFFER_SIZE	PAGE_SIZE
 #define MAX_SPLIT_SIZE 1023
 #define QLGE_SB_PAD 32
diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 20a118dc62e..644077e7b54 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -1147,7 +1147,7 @@ static void ql_update_sbq(struct ql_adapter *qdev, struct rx_ring *rx_ring)
 					sbq_desc->index);
 				sbq_desc->p.skb =
 				    netdev_alloc_skb(qdev->ndev,
-						     rx_ring->sbq_buf_size);
+						     SMALL_BUFFER_SIZE);
 				if (sbq_desc->p.skb == NULL) {
 					QPRINTK(qdev, PROBE, ERR,
 						"Couldn't get an skb.\n");
@@ -1157,8 +1157,8 @@ static void ql_update_sbq(struct ql_adapter *qdev, struct rx_ring *rx_ring)
 				skb_reserve(sbq_desc->p.skb, QLGE_SB_PAD);
 				map = pci_map_single(qdev->pdev,
 						     sbq_desc->p.skb->data,
-						     rx_ring->sbq_buf_size /
-						     2, PCI_DMA_FROMDEVICE);
+						     rx_ring->sbq_buf_size,
+						     PCI_DMA_FROMDEVICE);
 				if (pci_dma_mapping_error(qdev->pdev, map)) {
 					QPRINTK(qdev, IFUP, ERR, "PCI mapping failed.\n");
 					rx_ring->sbq_clean_idx = clean_idx;
@@ -1168,7 +1168,7 @@ static void ql_update_sbq(struct ql_adapter *qdev, struct rx_ring *rx_ring)
 				}
 				pci_unmap_addr_set(sbq_desc, mapaddr, map);
 				pci_unmap_len_set(sbq_desc, maplen,
-						  rx_ring->sbq_buf_size / 2);
+						  rx_ring->sbq_buf_size);
 				*sbq_desc->addr = cpu_to_le64(map);
 			}
 
@@ -2693,7 +2693,7 @@ static int ql_start_rx_ring(struct ql_adapter *qdev, struct rx_ring *rx_ring)
 		cqicb->sbq_addr =
 		    cpu_to_le64(rx_ring->sbq_base_indirect_dma);
 		cqicb->sbq_buf_size =
-		    cpu_to_le16((u16)(rx_ring->sbq_buf_size/2));
+		    cpu_to_le16((u16)(rx_ring->sbq_buf_size));
 		bq_len = (rx_ring->sbq_len == 65536) ? 0 :
 			(u16) rx_ring->sbq_len;
 		cqicb->sbq_len = cpu_to_le16(bq_len);
@@ -3269,7 +3269,7 @@ static int ql_adapter_initialize(struct ql_adapter *qdev)
 	ql_write32(qdev, FSC, mask | value);
 
 	ql_write32(qdev, SPLT_HDR, SPLT_HDR_EP |
-		min(SMALL_BUFFER_SIZE, MAX_SPLIT_SIZE));
+		min(SMALL_BUF_MAP_SIZE, MAX_SPLIT_SIZE));
 
 	/* Set RX packet routing to use port/pci function on which the
 	 * packet arrived on in addition to usual frame routing.
@@ -3549,7 +3549,7 @@ static int ql_configure_rings(struct ql_adapter *qdev)
 			rx_ring->sbq_len = NUM_SMALL_BUFFERS;
 			rx_ring->sbq_size =
 			    rx_ring->sbq_len * sizeof(__le64);
-			rx_ring->sbq_buf_size = SMALL_BUFFER_SIZE * 2;
+			rx_ring->sbq_buf_size = SMALL_BUF_MAP_SIZE;
 			rx_ring->type = RX_Q;
 		} else {
 			/*
-- 
GitLab


From fda9b77c10a4db06e1431e6494a69e93a9dc5491 Mon Sep 17 00:00:00 2001
From: Ron Mercer <ron.mercer@qlogic.com>
Date: Sat, 10 Oct 2009 09:35:08 +0000
Subject: [PATCH 0225/1815] qlge: Get rid of firmware handler debug code.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/qlge/qlge_mpi.c | 21 ---------------------
 1 file changed, 21 deletions(-)

diff --git a/drivers/net/qlge/qlge_mpi.c b/drivers/net/qlge/qlge_mpi.c
index 9c0dfe01739..e497eac5eb4 100644
--- a/drivers/net/qlge/qlge_mpi.c
+++ b/drivers/net/qlge/qlge_mpi.c
@@ -1,25 +1,5 @@
 #include "qlge.h"
 
-static void ql_display_mb_sts(struct ql_adapter *qdev,
-						struct mbox_params *mbcp)
-{
-	int i;
-	static char *err_sts[] = {
-		"Command Complete",
-		"Command Not Supported",
-		"Host Interface Error",
-		"Checksum Error",
-		"Unused Completion Status",
-		"Test Failed",
-		"Command Parameter Error"};
-
-	QPRINTK(qdev, DRV, DEBUG, "%s.\n",
-		err_sts[mbcp->mbox_out[0] & 0x0000000f]);
-	for (i = 0; i < mbcp->out_count; i++)
-		QPRINTK(qdev, DRV, DEBUG, "mbox_out[%d] = 0x%.08x.\n",
-				i, mbcp->mbox_out[i]);
-}
-
 int ql_read_mpi_reg(struct ql_adapter *qdev, u32 reg, u32 *data)
 {
 	int status;
@@ -540,7 +520,6 @@ static int ql_mailbox_command(struct ql_adapter *qdev, struct mbox_params *mbcp)
 					MB_CMD_STS_GOOD) &&
 		((mbcp->mbox_out[0] & 0x0000f000) !=
 					MB_CMD_STS_INTRMDT)) {
-		ql_display_mb_sts(qdev, mbcp);
 		status = -EIO;
 	}
 end:
-- 
GitLab


From 80928860941023bb37e9c61927395d0eb753bc3b Mon Sep 17 00:00:00 2001
From: Ron Mercer <ron.mercer@qlogic.com>
Date: Sat, 10 Oct 2009 09:35:09 +0000
Subject: [PATCH 0226/1815] qlge: Don't fail open when port is not initialized.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/qlge/qlge_main.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 644077e7b54..817613919b5 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -3311,10 +3311,8 @@ static int ql_adapter_initialize(struct ql_adapter *qdev)
 
 	/* Initialize the port and set the max framesize. */
 	status = qdev->nic_ops->port_initialize(qdev);
-       if (status) {
-              QPRINTK(qdev, IFUP, ERR, "Failed to start port.\n");
-              return status;
-       }
+	if (status)
+		QPRINTK(qdev, IFUP, ERR, "Failed to start port.\n");
 
 	/* Set up the MAC address and frame routing filter. */
 	status = ql_cam_route_initialize(qdev);
-- 
GitLab


From 6abd23468deaf3f6215a80b564f85df934209721 Mon Sep 17 00:00:00 2001
From: Ron Mercer <ron.mercer@qlogic.com>
Date: Sat, 10 Oct 2009 09:35:10 +0000
Subject: [PATCH 0227/1815] qlge: Add CBFC pause frame counters to ethtool
 stats.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/qlge/qlge.h         | 21 ++++++++++
 drivers/net/qlge/qlge_ethtool.c | 69 +++++++++++++++++++++++++++++++++
 2 files changed, 90 insertions(+)

diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h
index cef930bfcc7..42147179060 100644
--- a/drivers/net/qlge/qlge.h
+++ b/drivers/net/qlge/qlge.h
@@ -1363,6 +1363,27 @@ struct nic_stats {
 	u64 rx_1024_to_1518_pkts;
 	u64 rx_1519_to_max_pkts;
 	u64 rx_len_err_pkts;
+	/*
+	 * These stats come from offset 500h to 5C8h
+	 * in the XGMAC register.
+	 */
+	u64 tx_cbfc_pause_frames0;
+	u64 tx_cbfc_pause_frames1;
+	u64 tx_cbfc_pause_frames2;
+	u64 tx_cbfc_pause_frames3;
+	u64 tx_cbfc_pause_frames4;
+	u64 tx_cbfc_pause_frames5;
+	u64 tx_cbfc_pause_frames6;
+	u64 tx_cbfc_pause_frames7;
+	u64 rx_cbfc_pause_frames0;
+	u64 rx_cbfc_pause_frames1;
+	u64 rx_cbfc_pause_frames2;
+	u64 rx_cbfc_pause_frames3;
+	u64 rx_cbfc_pause_frames4;
+	u64 rx_cbfc_pause_frames5;
+	u64 rx_cbfc_pause_frames6;
+	u64 rx_cbfc_pause_frames7;
+	u64 rx_nic_fifo_drop;
 };
 
 /*
diff --git a/drivers/net/qlge/qlge_ethtool.c b/drivers/net/qlge/qlge_ethtool.c
index 52073946bce..aac6c6f19a2 100644
--- a/drivers/net/qlge/qlge_ethtool.c
+++ b/drivers/net/qlge/qlge_ethtool.c
@@ -132,6 +132,41 @@ static void ql_update_stats(struct ql_adapter *qdev)
 		iter++;
 	}
 
+	/*
+	 * Get Per-priority TX pause frame counter statistics.
+	 */
+	for (i = 0x500; i < 0x540; i += 8) {
+		if (ql_read_xgmac_reg64(qdev, i, &data)) {
+			QPRINTK(qdev, DRV, ERR,
+				"Error reading status register 0x%.04x.\n", i);
+			goto end;
+		} else
+			*iter = data;
+		iter++;
+	}
+
+	/*
+	 * Get Per-priority RX pause frame counter statistics.
+	 */
+	for (i = 0x568; i < 0x5a8; i += 8) {
+		if (ql_read_xgmac_reg64(qdev, i, &data)) {
+			QPRINTK(qdev, DRV, ERR,
+				"Error reading status register 0x%.04x.\n", i);
+			goto end;
+		} else
+			*iter = data;
+		iter++;
+	}
+
+	/*
+	 * Get RX NIC FIFO DROP statistics.
+	 */
+	if (ql_read_xgmac_reg64(qdev, 0x5b8, &data)) {
+		QPRINTK(qdev, DRV, ERR,
+			"Error reading status register 0x%.04x.\n", i);
+		goto end;
+	} else
+		*iter = data;
 end:
 	ql_sem_unlock(qdev, qdev->xg_sem_mask);
 quit:
@@ -185,6 +220,23 @@ static char ql_stats_str_arr[][ETH_GSTRING_LEN] = {
 	{"rx_1024_to_1518_pkts"},
 	{"rx_1519_to_max_pkts"},
 	{"rx_len_err_pkts"},
+	{"tx_cbfc_pause_frames0"},
+	{"tx_cbfc_pause_frames1"},
+	{"tx_cbfc_pause_frames2"},
+	{"tx_cbfc_pause_frames3"},
+	{"tx_cbfc_pause_frames4"},
+	{"tx_cbfc_pause_frames5"},
+	{"tx_cbfc_pause_frames6"},
+	{"tx_cbfc_pause_frames7"},
+	{"rx_cbfc_pause_frames0"},
+	{"rx_cbfc_pause_frames1"},
+	{"rx_cbfc_pause_frames2"},
+	{"rx_cbfc_pause_frames3"},
+	{"rx_cbfc_pause_frames4"},
+	{"rx_cbfc_pause_frames5"},
+	{"rx_cbfc_pause_frames6"},
+	{"rx_cbfc_pause_frames7"},
+	{"rx_nic_fifo_drop"},
 };
 
 static void ql_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
@@ -257,6 +309,23 @@ ql_get_ethtool_stats(struct net_device *ndev,
 	*data++ = s->rx_1024_to_1518_pkts;
 	*data++ = s->rx_1519_to_max_pkts;
 	*data++ = s->rx_len_err_pkts;
+	*data++ = s->tx_cbfc_pause_frames0;
+	*data++ = s->tx_cbfc_pause_frames1;
+	*data++ = s->tx_cbfc_pause_frames2;
+	*data++ = s->tx_cbfc_pause_frames3;
+	*data++ = s->tx_cbfc_pause_frames4;
+	*data++ = s->tx_cbfc_pause_frames5;
+	*data++ = s->tx_cbfc_pause_frames6;
+	*data++ = s->tx_cbfc_pause_frames7;
+	*data++ = s->rx_cbfc_pause_frames0;
+	*data++ = s->rx_cbfc_pause_frames1;
+	*data++ = s->rx_cbfc_pause_frames2;
+	*data++ = s->rx_cbfc_pause_frames3;
+	*data++ = s->rx_cbfc_pause_frames4;
+	*data++ = s->rx_cbfc_pause_frames5;
+	*data++ = s->rx_cbfc_pause_frames6;
+	*data++ = s->rx_cbfc_pause_frames7;
+	*data++ = s->rx_nic_fifo_drop;
 }
 
 static int ql_get_settings(struct net_device *ndev,
-- 
GitLab


From 2891290219d8a28a923560d53d24c00fa96fa09f Mon Sep 17 00:00:00 2001
From: Michael Chan <mchan@broadcom.com>
Date: Sat, 10 Oct 2009 13:46:53 +0000
Subject: [PATCH 0228/1815] bnx2x: Refactor bnx2x_sp_post().

Some of the SPQ (slow-path queue) operations will be used
by the cnic code in later patches.

Signed-off-by: Shmulik Ravid - Rabinovitz <shmulikr@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Acked-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2x_main.c | 62 ++++++++++++++++++++++++----------------
 1 file changed, 38 insertions(+), 24 deletions(-)

diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index c0abfc4fb34..713d6693938 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -2638,11 +2638,40 @@ static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
 		bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK);
 }
 
+/* must be called under the spq lock */
+static inline struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
+{
+	struct eth_spe *next_spe = bp->spq_prod_bd;
+
+	if (bp->spq_prod_bd == bp->spq_last_bd) {
+		bp->spq_prod_bd = bp->spq;
+		bp->spq_prod_idx = 0;
+		DP(NETIF_MSG_TIMER, "end of spq\n");
+	} else {
+		bp->spq_prod_bd++;
+		bp->spq_prod_idx++;
+	}
+	return next_spe;
+}
+
+/* must be called under the spq lock */
+static inline void bnx2x_sp_prod_update(struct bnx2x *bp)
+{
+	int func = BP_FUNC(bp);
+
+	/* Make sure that BD data is updated before writing the producer */
+	wmb();
+
+	REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
+	       bp->spq_prod_idx);
+	mmiowb();
+}
+
 /* the slow path queue is odd since completions arrive on the fastpath ring */
 static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
 			 u32 data_hi, u32 data_lo, int common)
 {
-	int func = BP_FUNC(bp);
+	struct eth_spe *spe;
 
 	DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
 	   "SPQE (%x:%x)  command %d  hw_cid %x  data (%x:%x)  left %x\n",
@@ -2664,38 +2693,23 @@ static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
 		return -EBUSY;
 	}
 
+	spe = bnx2x_sp_get_next(bp);
+
 	/* CID needs port number to be encoded int it */
-	bp->spq_prod_bd->hdr.conn_and_cmd_data =
+	spe->hdr.conn_and_cmd_data =
 			cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) |
 				     HW_CID(bp, cid)));
-	bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE);
+	spe->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE);
 	if (common)
-		bp->spq_prod_bd->hdr.type |=
+		spe->hdr.type |=
 			cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT));
 
-	bp->spq_prod_bd->data.mac_config_addr.hi = cpu_to_le32(data_hi);
-	bp->spq_prod_bd->data.mac_config_addr.lo = cpu_to_le32(data_lo);
+	spe->data.mac_config_addr.hi = cpu_to_le32(data_hi);
+	spe->data.mac_config_addr.lo = cpu_to_le32(data_lo);
 
 	bp->spq_left--;
 
-	if (bp->spq_prod_bd == bp->spq_last_bd) {
-		bp->spq_prod_bd = bp->spq;
-		bp->spq_prod_idx = 0;
-		DP(NETIF_MSG_TIMER, "end of spq\n");
-
-	} else {
-		bp->spq_prod_bd++;
-		bp->spq_prod_idx++;
-	}
-
-	/* Make sure that BD data is updated before writing the producer */
-	wmb();
-
-	REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
-	       bp->spq_prod_idx);
-
-	mmiowb();
-
+	bnx2x_sp_prod_update(bp);
 	spin_unlock_bh(&bp->spq_lock);
 	return 0;
 }
-- 
GitLab


From e665bfda5b8fea586ddd028b26a6e2ed9e987c6b Mon Sep 17 00:00:00 2001
From: Michael Chan <mchan@broadcom.com>
Date: Sat, 10 Oct 2009 13:46:54 +0000
Subject: [PATCH 0229/1815] bnx2x: Refactor MAC address setup code.

For iSCSI MAC address setup in later patches.

Signed-off-by: Shmulik Ravid - Rabinovitz <shmulikr@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Acked-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2x.h      |   4 +-
 drivers/net/bnx2x_main.c | 162 +++++++++++++++++++++++++++------------
 2 files changed, 114 insertions(+), 52 deletions(-)

diff --git a/drivers/net/bnx2x.h b/drivers/net/bnx2x.h
index bbf842284eb..1f0706328a3 100644
--- a/drivers/net/bnx2x.h
+++ b/drivers/net/bnx2x.h
@@ -863,8 +863,8 @@ struct bnx2x {
 
 	/* Flags for marking that there is a STAT_QUERY or
 	   SET_MAC ramrod pending */
-	u8			stats_pending;
-	u8			set_mac_pending;
+	int			stats_pending;
+	int			set_mac_pending;
 
 	/* End of fields used in the performance code paths */
 
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 713d6693938..02ce3b31050 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -1026,12 +1026,15 @@ static void bnx2x_sp_event(struct bnx2x_fastpath *fp,
 	case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN):
 	case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_DIAG):
 		DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
-		bp->set_mac_pending = 0;
+		bp->set_mac_pending--;
+		smp_wmb();
 		break;
 
 	case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_CLOSING_WAIT4_HALT):
 	case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_DISABLED):
 		DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
+		bp->set_mac_pending--;
+		smp_wmb();
 		break;
 
 	default:
@@ -2530,7 +2533,7 @@ u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
 }
 
 static void bnx2x_set_storm_rx_mode(struct bnx2x *bp);
-static void bnx2x_set_mac_addr_e1h(struct bnx2x *bp, int set);
+static void bnx2x_set_eth_mac_addr_e1h(struct bnx2x *bp, int set);
 static void bnx2x_set_rx_mode(struct net_device *dev);
 
 static void bnx2x_e1h_disable(struct bnx2x *bp)
@@ -2546,7 +2549,7 @@ static void bnx2x_e1h_disable(struct bnx2x *bp)
 
 	REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
 
-	bnx2x_set_mac_addr_e1h(bp, 0);
+	bnx2x_set_eth_mac_addr_e1h(bp, 0);
 
 	for (i = 0; i < MC_HASH_SIZE; i++)
 		REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
@@ -2560,7 +2563,7 @@ static void bnx2x_e1h_enable(struct bnx2x *bp)
 
 	REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
 
-	bnx2x_set_mac_addr_e1h(bp, 1);
+	bnx2x_set_eth_mac_addr_e1h(bp, 1);
 
 	/* Tx queue should be only reenabled */
 	netif_tx_wake_all_queues(bp->dev);
@@ -7036,7 +7039,19 @@ static void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw)
  * Init service functions
  */
 
-static void bnx2x_set_mac_addr_e1(struct bnx2x *bp, int set)
+/**
+ * Sets a MAC in a CAM for a few L2 Clients for E1 chip
+ *
+ * @param bp driver descriptor
+ * @param set set or clear an entry (1 or 0)
+ * @param mac pointer to a buffer containing a MAC
+ * @param cl_bit_vec bit vector of clients to register a MAC for
+ * @param cam_offset offset in a CAM to use
+ * @param with_bcast set broadcast MAC as well
+ */
+static void bnx2x_set_mac_addr_e1_gen(struct bnx2x *bp, int set, u8 *mac,
+				      u32 cl_bit_vec, u8 cam_offset,
+				      u8 with_bcast)
 {
 	struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
 	int port = BP_PORT(bp);
@@ -7045,25 +7060,25 @@ static void bnx2x_set_mac_addr_e1(struct bnx2x *bp, int set)
 	 * unicasts 0-31:port0 32-63:port1
 	 * multicast 64-127:port0 128-191:port1
 	 */
-	config->hdr.length = 2;
-	config->hdr.offset = port ? 32 : 0;
-	config->hdr.client_id = bp->fp->cl_id;
+	config->hdr.length = 1 + (with_bcast ? 1 : 0);
+	config->hdr.offset = cam_offset;
+	config->hdr.client_id = 0xff;
 	config->hdr.reserved1 = 0;
 
 	/* primary MAC */
 	config->config_table[0].cam_entry.msb_mac_addr =
-					swab16(*(u16 *)&bp->dev->dev_addr[0]);
+					swab16(*(u16 *)&mac[0]);
 	config->config_table[0].cam_entry.middle_mac_addr =
-					swab16(*(u16 *)&bp->dev->dev_addr[2]);
+					swab16(*(u16 *)&mac[2]);
 	config->config_table[0].cam_entry.lsb_mac_addr =
-					swab16(*(u16 *)&bp->dev->dev_addr[4]);
+					swab16(*(u16 *)&mac[4]);
 	config->config_table[0].cam_entry.flags = cpu_to_le16(port);
 	if (set)
 		config->config_table[0].target_table_entry.flags = 0;
 	else
 		CAM_INVALIDATE(config->config_table[0]);
 	config->config_table[0].target_table_entry.clients_bit_vector =
-						cpu_to_le32(1 << BP_L_ID(bp));
+						cpu_to_le32(cl_bit_vec);
 	config->config_table[0].target_table_entry.vlan_id = 0;
 
 	DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)\n",
@@ -7073,47 +7088,58 @@ static void bnx2x_set_mac_addr_e1(struct bnx2x *bp, int set)
 	   config->config_table[0].cam_entry.lsb_mac_addr);
 
 	/* broadcast */
-	config->config_table[1].cam_entry.msb_mac_addr = cpu_to_le16(0xffff);
-	config->config_table[1].cam_entry.middle_mac_addr = cpu_to_le16(0xffff);
-	config->config_table[1].cam_entry.lsb_mac_addr = cpu_to_le16(0xffff);
-	config->config_table[1].cam_entry.flags = cpu_to_le16(port);
-	if (set)
-		config->config_table[1].target_table_entry.flags =
-				TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST;
-	else
-		CAM_INVALIDATE(config->config_table[1]);
-	config->config_table[1].target_table_entry.clients_bit_vector =
-						cpu_to_le32(1 << BP_L_ID(bp));
-	config->config_table[1].target_table_entry.vlan_id = 0;
+	if (with_bcast) {
+		config->config_table[1].cam_entry.msb_mac_addr =
+			cpu_to_le16(0xffff);
+		config->config_table[1].cam_entry.middle_mac_addr =
+			cpu_to_le16(0xffff);
+		config->config_table[1].cam_entry.lsb_mac_addr =
+			cpu_to_le16(0xffff);
+		config->config_table[1].cam_entry.flags = cpu_to_le16(port);
+		if (set)
+			config->config_table[1].target_table_entry.flags =
+					TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST;
+		else
+			CAM_INVALIDATE(config->config_table[1]);
+		config->config_table[1].target_table_entry.clients_bit_vector =
+							cpu_to_le32(cl_bit_vec);
+		config->config_table[1].target_table_entry.vlan_id = 0;
+	}
 
 	bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
 		      U64_HI(bnx2x_sp_mapping(bp, mac_config)),
 		      U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
 }
 
-static void bnx2x_set_mac_addr_e1h(struct bnx2x *bp, int set)
+/**
+ * Sets a MAC in a CAM for a few L2 Clients for E1H chip
+ *
+ * @param bp driver descriptor
+ * @param set set or clear an entry (1 or 0)
+ * @param mac pointer to a buffer containing a MAC
+ * @param cl_bit_vec bit vector of clients to register a MAC for
+ * @param cam_offset offset in a CAM to use
+ */
+static void bnx2x_set_mac_addr_e1h_gen(struct bnx2x *bp, int set, u8 *mac,
+				       u32 cl_bit_vec, u8 cam_offset)
 {
 	struct mac_configuration_cmd_e1h *config =
 		(struct mac_configuration_cmd_e1h *)bnx2x_sp(bp, mac_config);
 
-	/* CAM allocation for E1H
-	 * unicasts: by func number
-	 * multicast: 20+FUNC*20, 20 each
-	 */
 	config->hdr.length = 1;
-	config->hdr.offset = BP_FUNC(bp);
-	config->hdr.client_id = bp->fp->cl_id;
+	config->hdr.offset = cam_offset;
+	config->hdr.client_id = 0xff;
 	config->hdr.reserved1 = 0;
 
 	/* primary MAC */
 	config->config_table[0].msb_mac_addr =
-					swab16(*(u16 *)&bp->dev->dev_addr[0]);
+					swab16(*(u16 *)&mac[0]);
 	config->config_table[0].middle_mac_addr =
-					swab16(*(u16 *)&bp->dev->dev_addr[2]);
+					swab16(*(u16 *)&mac[2]);
 	config->config_table[0].lsb_mac_addr =
-					swab16(*(u16 *)&bp->dev->dev_addr[4]);
+					swab16(*(u16 *)&mac[4]);
 	config->config_table[0].clients_bit_vector =
-					cpu_to_le32(1 << BP_L_ID(bp));
+					cpu_to_le32(cl_bit_vec);
 	config->config_table[0].vlan_id = 0;
 	config->config_table[0].e1hov_id = cpu_to_le16(bp->e1hov);
 	if (set)
@@ -7122,11 +7148,11 @@ static void bnx2x_set_mac_addr_e1h(struct bnx2x *bp, int set)
 		config->config_table[0].flags =
 				MAC_CONFIGURATION_ENTRY_E1H_ACTION_TYPE;
 
-	DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)  E1HOV %d  CLID %d\n",
+	DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)  E1HOV %d  CLID mask %d\n",
 	   (set ? "setting" : "clearing"),
 	   config->config_table[0].msb_mac_addr,
 	   config->config_table[0].middle_mac_addr,
-	   config->config_table[0].lsb_mac_addr, bp->e1hov, BP_L_ID(bp));
+	   config->config_table[0].lsb_mac_addr, bp->e1hov, cl_bit_vec);
 
 	bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
 		      U64_HI(bnx2x_sp_mapping(bp, mac_config)),
@@ -7178,6 +7204,31 @@ static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
 	return -EBUSY;
 }
 
+static void bnx2x_set_eth_mac_addr_e1h(struct bnx2x *bp, int set)
+{
+	bp->set_mac_pending++;
+	smp_wmb();
+
+	bnx2x_set_mac_addr_e1h_gen(bp, set, bp->dev->dev_addr,
+				   (1 << bp->fp->cl_id), BP_FUNC(bp));
+
+	/* Wait for a completion */
+	bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending, set ? 0 : 1);
+}
+
+static void bnx2x_set_eth_mac_addr_e1(struct bnx2x *bp, int set)
+{
+	bp->set_mac_pending++;
+	smp_wmb();
+
+	bnx2x_set_mac_addr_e1_gen(bp, set, bp->dev->dev_addr,
+				  (1 << bp->fp->cl_id), (BP_PORT(bp) ? 32 : 0),
+				  1);
+
+	/* Wait for a completion */
+	bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending, set ? 0 : 1);
+}
+
 static int bnx2x_setup_leading(struct bnx2x *bp)
 {
 	int rc;
@@ -7452,9 +7503,9 @@ static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
 		}
 
 		if (CHIP_IS_E1(bp))
-			bnx2x_set_mac_addr_e1(bp, 1);
+			bnx2x_set_eth_mac_addr_e1(bp, 1);
 		else
-			bnx2x_set_mac_addr_e1h(bp, 1);
+			bnx2x_set_eth_mac_addr_e1h(bp, 1);
 	}
 
 	if (bp->port.pmf)
@@ -7717,7 +7768,7 @@ static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
 		struct mac_configuration_cmd *config =
 						bnx2x_sp(bp, mcast_config);
 
-		bnx2x_set_mac_addr_e1(bp, 0);
+		bnx2x_set_eth_mac_addr_e1(bp, 0);
 
 		for (i = 0; i < config->hdr.length; i++)
 			CAM_INVALIDATE(config->config_table[i]);
@@ -7730,6 +7781,9 @@ static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
 		config->hdr.client_id = bp->fp->cl_id;
 		config->hdr.reserved1 = 0;
 
+		bp->set_mac_pending++;
+		smp_wmb();
+
 		bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
 			      U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
 			      U64_LO(bnx2x_sp_mapping(bp, mcast_config)), 0);
@@ -7737,7 +7791,7 @@ static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
 	} else { /* E1H */
 		REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
 
-		bnx2x_set_mac_addr_e1h(bp, 0);
+		bnx2x_set_eth_mac_addr_e1h(bp, 0);
 
 		for (i = 0; i < MC_HASH_SIZE; i++)
 			REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
@@ -8520,6 +8574,14 @@ static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
 		       bp->link_params.req_flow_ctrl, bp->port.advertising);
 }
 
+static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
+{
+	mac_hi = cpu_to_be16(mac_hi);
+	mac_lo = cpu_to_be32(mac_lo);
+	memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
+	memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
+}
+
 static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
 {
 	int port = BP_PORT(bp);
@@ -8601,12 +8663,7 @@ static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
 
 	val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
 	val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
-	bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
-	bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
-	bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
-	bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
-	bp->dev->dev_addr[4] = (u8)(val >> 8  & 0xff);
-	bp->dev->dev_addr[5] = (u8)(val & 0xff);
+	bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
 	memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
 	memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
 }
@@ -10232,14 +10289,16 @@ static int bnx2x_test_intr(struct bnx2x *bp)
 	config->hdr.client_id = bp->fp->cl_id;
 	config->hdr.reserved1 = 0;
 
+	bp->set_mac_pending++;
+	smp_wmb();
 	rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
 			   U64_HI(bnx2x_sp_mapping(bp, mac_config)),
 			   U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
 	if (rc == 0) {
-		bp->set_mac_pending++;
 		for (i = 0; i < 10; i++) {
 			if (!bp->set_mac_pending)
 				break;
+			smp_rmb();
 			msleep_interruptible(10);
 		}
 		if (i == 10)
@@ -11337,6 +11396,9 @@ static void bnx2x_set_rx_mode(struct net_device *dev)
 			config->hdr.client_id = bp->fp->cl_id;
 			config->hdr.reserved1 = 0;
 
+			bp->set_mac_pending++;
+			smp_wmb();
+
 			bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
 				   U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
 				   U64_LO(bnx2x_sp_mapping(bp, mcast_config)),
@@ -11386,9 +11448,9 @@ static int bnx2x_change_mac_addr(struct net_device *dev, void *p)
 	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
 	if (netif_running(dev)) {
 		if (CHIP_IS_E1(bp))
-			bnx2x_set_mac_addr_e1(bp, 1);
+			bnx2x_set_eth_mac_addr_e1(bp, 1);
 		else
-			bnx2x_set_mac_addr_e1h(bp, 1);
+			bnx2x_set_eth_mac_addr_e1h(bp, 1);
 	}
 
 	return 0;
-- 
GitLab


From 37b091bacba7bd329eced9a56998b6247da414c4 Mon Sep 17 00:00:00 2001
From: Michael Chan <mchan@broadcom.com>
Date: Sat, 10 Oct 2009 13:46:55 +0000
Subject: [PATCH 0230/1815] bnx2x: Add hw init code to support iSCSI.

Add code to initialize hardware blocks used for iSCSI.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Shmulik Ravid - Rabinovitz <shmulikr@broadcom.com>
Acked-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2x.h      |  59 +++++++++--
 drivers/net/bnx2x_main.c | 210 ++++++++++++++++++++++++++++-----------
 2 files changed, 200 insertions(+), 69 deletions(-)

diff --git a/drivers/net/bnx2x.h b/drivers/net/bnx2x.h
index 1f0706328a3..e94ce837025 100644
--- a/drivers/net/bnx2x.h
+++ b/drivers/net/bnx2x.h
@@ -762,7 +762,11 @@ struct bnx2x_eth_stats {
 			(offsetof(struct bnx2x_eth_stats, stat_name) / 4)
 
 
+#ifdef BCM_CNIC
+#define MAX_CONTEXT			15
+#else
 #define MAX_CONTEXT			16
+#endif
 
 union cdu_context {
 	struct eth_context eth;
@@ -811,13 +815,21 @@ struct bnx2x {
 	struct bnx2x_fastpath	fp[MAX_CONTEXT];
 	void __iomem		*regview;
 	void __iomem		*doorbells;
+#ifdef BCM_CNIC
+#define BNX2X_DB_SIZE		(18*BCM_PAGE_SIZE)
+#else
 #define BNX2X_DB_SIZE		(16*BCM_PAGE_SIZE)
+#endif
 
 	struct net_device	*dev;
 	struct pci_dev		*pdev;
 
 	atomic_t		intr_sem;
+#ifdef BCM_CNIC
+	struct msix_entry	msix_table[MAX_CONTEXT+2];
+#else
 	struct msix_entry	msix_table[MAX_CONTEXT+1];
+#endif
 #define INT_MODE_INTx			1
 #define INT_MODE_MSI			2
 #define INT_MODE_MSIX			3
@@ -891,6 +903,11 @@ struct bnx2x {
 #define BP_E1HVN(bp)			(bp->func >> 1)
 #define BP_L_ID(bp)			(BP_E1HVN(bp) << 2)
 
+#ifdef BCM_CNIC
+#define BCM_CNIC_CID_START		16
+#define BCM_ISCSI_ETH_CL_ID		17
+#endif
+
 	int			pm_cap;
 	int			pcie_cap;
 	int			mrrs;
@@ -960,24 +977,44 @@ struct bnx2x {
 #define BNX2X_MAX_MULTICAST		64
 #define BNX2X_MAX_EMUL_MULTI		16
 
+	u32 			rx_mode_cl_mask;
+
 	dma_addr_t		def_status_blk_mapping;
 
 	struct bnx2x_slowpath	*slowpath;
 	dma_addr_t		slowpath_mapping;
 
-#ifdef BCM_ISCSI
-	void    		*t1;
-	dma_addr_t      	t1_mapping;
-	void    		*t2;
-	dma_addr_t      	t2_mapping;
-	void    		*timers;
-	dma_addr_t      	timers_mapping;
-	void    		*qm;
-	dma_addr_t      	qm_mapping;
-#endif
-
 	int			dropless_fc;
 
+#ifdef BCM_CNIC
+	u32			cnic_flags;
+#define BNX2X_CNIC_FLAG_MAC_SET		1
+
+	void			*t1;
+	dma_addr_t		t1_mapping;
+	void			*t2;
+	dma_addr_t		t2_mapping;
+	void			*timers;
+	dma_addr_t		timers_mapping;
+	void			*qm;
+	dma_addr_t		qm_mapping;
+	struct cnic_ops		*cnic_ops;
+	void			*cnic_data;
+	u32			cnic_tag;
+	struct cnic_eth_dev	cnic_eth_dev;
+	struct host_status_block *cnic_sb;
+	dma_addr_t		cnic_sb_mapping;
+#define CNIC_SB_ID(bp)			BP_L_ID(bp)
+	struct eth_spe		*cnic_kwq;
+	struct eth_spe		*cnic_kwq_prod;
+	struct eth_spe		*cnic_kwq_cons;
+	struct eth_spe		*cnic_kwq_last;
+	u16			cnic_kwq_pending;
+	u16			cnic_spq_pending;
+	struct mutex		cnic_mutex;
+	u8			iscsi_mac[6];
+#endif
+
 	int			dmae_ready;
 	/* used to synchronize dmae accesses */
 	struct mutex		dmae_mutex;
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 02ce3b31050..f7b71100e95 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -742,6 +742,9 @@ static void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
 	if (msix) {
 		synchronize_irq(bp->msix_table[0].vector);
 		offset = 1;
+#ifdef BCM_CNIC
+		offset++;
+#endif
 		for_each_queue(bp, i)
 			synchronize_irq(bp->msix_table[i + offset].vector);
 	} else
@@ -5252,7 +5255,7 @@ static void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
 {
 	struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0};
 	int mode = bp->rx_mode;
-	int mask = (1 << BP_L_ID(bp));
+	int mask = bp->rx_mode_cl_mask;
 	int func = BP_FUNC(bp);
 	int port = BP_PORT(bp);
 	int i;
@@ -5365,6 +5368,7 @@ static void bnx2x_init_internal_func(struct bnx2x *bp)
 	       (*(u32 *)&tstorm_config));
 
 	bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */
+	bp->rx_mode_cl_mask = (1 << BP_L_ID(bp));
 	bnx2x_set_storm_rx_mode(bp);
 
 	for_each_queue(bp, i) {
@@ -5582,7 +5586,11 @@ static void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
 		fp->state = BNX2X_FP_STATE_CLOSED;
 		fp->index = i;
 		fp->cl_id = BP_L_ID(bp) + i;
+#ifdef BCM_CNIC
+		fp->sb_id = fp->cl_id + 1;
+#else
 		fp->sb_id = fp->cl_id;
+#endif
 		/* Suitable Rx and Tx SBs are served by the same client */
 		if (i >= bp->num_rx_queues)
 			fp->cl_id -= bp->num_rx_queues;
@@ -5884,7 +5892,7 @@ static int bnx2x_int_mem_test(struct bnx2x *bp)
 	msleep(50);
 	bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
 	bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
-#ifndef BCM_ISCSI
+#ifndef BCM_CNIC
 	/* set NIC mode */
 	REG_WR(bp, PRS_REG_NIC_MODE, 1);
 #endif
@@ -6023,6 +6031,9 @@ static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
 static int bnx2x_init_common(struct bnx2x *bp)
 {
 	u32 val, i;
+#ifdef BCM_CNIC
+	u32 wb_write[2];
+#endif
 
 	DP(BNX2X_MSG_MCP, "starting common init  func %d\n", BP_FUNC(bp));
 
@@ -6065,7 +6076,7 @@ static int bnx2x_init_common(struct bnx2x *bp)
 #endif
 
 	REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 2);
-#ifdef BCM_ISCSI
+#ifdef BCM_CNIC
 	REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5);
 	REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5);
 	REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5);
@@ -6108,11 +6119,26 @@ static int bnx2x_init_common(struct bnx2x *bp)
 	bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
 
 	bnx2x_init_block(bp, QM_BLOCK, COMMON_STAGE);
+
+#ifdef BCM_CNIC
+	wb_write[0] = 0;
+	wb_write[1] = 0;
+	for (i = 0; i < 64; i++) {
+		REG_WR(bp, QM_REG_BASEADDR + i*4, 1024 * 4 * (i%16));
+		bnx2x_init_ind_wr(bp, QM_REG_PTRTBL + i*8, wb_write, 2);
+
+		if (CHIP_IS_E1H(bp)) {
+			REG_WR(bp, QM_REG_BASEADDR_EXT_A + i*4, 1024*4*(i%16));
+			bnx2x_init_ind_wr(bp, QM_REG_PTRTBL_EXT_A + i*8,
+					  wb_write, 2);
+		}
+	}
+#endif
 	/* soft reset pulse */
 	REG_WR(bp, QM_REG_SOFT_RESET, 1);
 	REG_WR(bp, QM_REG_SOFT_RESET, 0);
 
-#ifdef BCM_ISCSI
+#ifdef BCM_CNIC
 	bnx2x_init_block(bp, TIMERS_BLOCK, COMMON_STAGE);
 #endif
 
@@ -6126,8 +6152,10 @@ static int bnx2x_init_common(struct bnx2x *bp)
 	bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
 	bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
 	REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
+#ifndef BCM_CNIC
 	/* set NIC mode */
 	REG_WR(bp, PRS_REG_NIC_MODE, 1);
+#endif
 	if (CHIP_IS_E1H(bp))
 		REG_WR(bp, PRS_REG_E1HOV_MODE, IS_E1HMF(bp));
 
@@ -6162,6 +6190,18 @@ static int bnx2x_init_common(struct bnx2x *bp)
 		/* TODO: replace with something meaningful */
 	}
 	bnx2x_init_block(bp, SRCH_BLOCK, COMMON_STAGE);
+#ifdef BCM_CNIC
+	REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
+	REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
+	REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
+	REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
+	REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
+	REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
+	REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
+	REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
+	REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
+	REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
+#endif
 	REG_WR(bp, SRC_REG_SOFT_RST, 0);
 
 	if (sizeof(union cdu_context) != 1024)
@@ -6278,38 +6318,14 @@ static int bnx2x_init_port(struct bnx2x *bp)
 	bnx2x_init_block(bp, TCM_BLOCK, init_stage);
 	bnx2x_init_block(bp, UCM_BLOCK, init_stage);
 	bnx2x_init_block(bp, CCM_BLOCK, init_stage);
-#ifdef BCM_ISCSI
-	/* Port0  1
-	 * Port1  385 */
-	i++;
-	wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping);
-	wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping);
-	REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
-	REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i));
-
-	/* Port0  2
-	 * Port1  386 */
-	i++;
-	wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping);
-	wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping);
-	REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
-	REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i));
-
-	/* Port0  3
-	 * Port1  387 */
-	i++;
-	wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping);
-	wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping);
-	REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
-	REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i));
-#endif
 	bnx2x_init_block(bp, XCM_BLOCK, init_stage);
 
-#ifdef BCM_ISCSI
-	REG_WR(bp, TM_REG_LIN0_SCAN_TIME + func*4, 1024/64*20);
-	REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + func*4, 31);
+#ifdef BCM_CNIC
+	REG_WR(bp, QM_REG_CONNNUM_0 + port*4, 1024/16 - 1);
 
 	bnx2x_init_block(bp, TIMERS_BLOCK, init_stage);
+	REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
+	REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
 #endif
 	bnx2x_init_block(bp, DQ_BLOCK, init_stage);
 
@@ -6367,18 +6383,8 @@ static int bnx2x_init_port(struct bnx2x *bp)
 	msleep(5);
 	REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
 
-#ifdef BCM_ISCSI
-	/* tell the searcher where the T2 table is */
-	REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64);
-
-	wb_write[0] = U64_LO(bp->t2_mapping);
-	wb_write[1] = U64_HI(bp->t2_mapping);
-	REG_WR_DMAE(bp, SRC_REG_FIRSTFREE0 + func*4, wb_write, 2);
-	wb_write[0] = U64_LO((u64)bp->t2_mapping + 16*1024 - 64);
-	wb_write[1] = U64_HI((u64)bp->t2_mapping + 16*1024 - 64);
-	REG_WR_DMAE(bp, SRC_REG_LASTFREE0 + func*4, wb_write, 2);
-
-	REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10);
+#ifdef BCM_CNIC
+	bnx2x_init_block(bp, SRCH_BLOCK, init_stage);
 #endif
 	bnx2x_init_block(bp, CDU_BLOCK, init_stage);
 	bnx2x_init_block(bp, CFC_BLOCK, init_stage);
@@ -6487,7 +6493,12 @@ static int bnx2x_init_port(struct bnx2x *bp)
 #define PXP_ONE_ILT(x)		(((x) << 10) | x)
 #define PXP_ILT_RANGE(f, l)	(((l) << 10) | f)
 
+#ifdef BCM_CNIC
+#define CNIC_ILT_LINES		127
+#define CNIC_CTX_PER_ILT	16
+#else
 #define CNIC_ILT_LINES		0
+#endif
 
 static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
 {
@@ -6526,6 +6537,46 @@ static int bnx2x_init_func(struct bnx2x *bp)
 		REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4,
 		       PXP_ILT_RANGE(i, i + CNIC_ILT_LINES));
 
+#ifdef BCM_CNIC
+	i += 1 + CNIC_ILT_LINES;
+	bnx2x_ilt_wr(bp, i, bp->timers_mapping);
+	if (CHIP_IS_E1(bp))
+		REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i));
+	else {
+		REG_WR(bp, PXP2_REG_RQ_TM_FIRST_ILT, i);
+		REG_WR(bp, PXP2_REG_RQ_TM_LAST_ILT, i);
+	}
+
+	i++;
+	bnx2x_ilt_wr(bp, i, bp->qm_mapping);
+	if (CHIP_IS_E1(bp))
+		REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i));
+	else {
+		REG_WR(bp, PXP2_REG_RQ_QM_FIRST_ILT, i);
+		REG_WR(bp, PXP2_REG_RQ_QM_LAST_ILT, i);
+	}
+
+	i++;
+	bnx2x_ilt_wr(bp, i, bp->t1_mapping);
+	if (CHIP_IS_E1(bp))
+		REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i));
+	else {
+		REG_WR(bp, PXP2_REG_RQ_SRC_FIRST_ILT, i);
+		REG_WR(bp, PXP2_REG_RQ_SRC_LAST_ILT, i);
+	}
+
+	/* tell the searcher where the T2 table is */
+	REG_WR(bp, SRC_REG_COUNTFREE0 + port*4, 16*1024/64);
+
+	bnx2x_wb_wr(bp, SRC_REG_FIRSTFREE0 + port*16,
+		    U64_LO(bp->t2_mapping), U64_HI(bp->t2_mapping));
+
+	bnx2x_wb_wr(bp, SRC_REG_LASTFREE0 + port*16,
+		    U64_LO((u64)bp->t2_mapping + 16*1024 - 64),
+		    U64_HI((u64)bp->t2_mapping + 16*1024 - 64));
+
+	REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, 10);
+#endif
 
 	if (CHIP_IS_E1H(bp)) {
 		bnx2x_init_block(bp, MISC_BLOCK, FUNC0_STAGE + func);
@@ -6610,6 +6661,9 @@ static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
 	bnx2x_zero_def_sb(bp);
 	for_each_queue(bp, i)
 		bnx2x_zero_sb(bp, BP_L_ID(bp) + i);
+#ifdef BCM_CNIC
+	bnx2x_zero_sb(bp, BP_L_ID(bp) + i);
+#endif
 
 init_hw_err:
 	bnx2x_gunzip_end(bp);
@@ -6685,11 +6739,13 @@ static void bnx2x_free_mem(struct bnx2x *bp)
 	BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
 		       sizeof(struct bnx2x_slowpath));
 
-#ifdef BCM_ISCSI
+#ifdef BCM_CNIC
 	BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024);
 	BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024);
 	BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024);
 	BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024);
+	BNX2X_PCI_FREE(bp->cnic_sb, bp->cnic_sb_mapping,
+		       sizeof(struct host_status_block));
 #endif
 	BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
 
@@ -6768,32 +6824,26 @@ static int bnx2x_alloc_mem(struct bnx2x *bp)
 	BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
 			sizeof(struct bnx2x_slowpath));
 
-#ifdef BCM_ISCSI
+#ifdef BCM_CNIC
 	BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024);
 
-	/* Initialize T1 */
-	for (i = 0; i < 64*1024; i += 64) {
-		*(u64 *)((char *)bp->t1 + i + 56) = 0x0UL;
-		*(u64 *)((char *)bp->t1 + i + 3) = 0x0UL;
-	}
-
 	/* allocate searcher T2 table
 	   we allocate 1/4 of alloc num for T2
 	  (which is not entered into the ILT) */
 	BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024);
 
-	/* Initialize T2 */
+	/* Initialize T2 (for 1024 connections) */
 	for (i = 0; i < 16*1024; i += 64)
-		* (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64;
-
-	/* now fixup the last line in the block to point to the next block */
-	*(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping;
+		*(u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64;
 
-	/* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */
+	/* Timer block array (8*MAX_CONN) phys uncached for now 1024 conns */
 	BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024);
 
 	/* QM queues (128*MAX_CONN) */
 	BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024);
+
+	BNX2X_PCI_ALLOC(bp->cnic_sb, &bp->cnic_sb_mapping,
+			sizeof(struct host_status_block));
 #endif
 
 	/* Slow path ring */
@@ -6869,6 +6919,9 @@ static void bnx2x_free_msix_irqs(struct bnx2x *bp)
 	DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n",
 	   bp->msix_table[0].vector);
 
+#ifdef BCM_CNIC
+	offset++;
+#endif
 	for_each_queue(bp, i) {
 		DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq  "
 		   "state %x\n", i, bp->msix_table[i + offset].vector,
@@ -6902,6 +6955,12 @@ static int bnx2x_enable_msix(struct bnx2x *bp)
 	bp->msix_table[0].entry = igu_vec;
 	DP(NETIF_MSG_IFUP, "msix_table[0].entry = %d (slowpath)\n", igu_vec);
 
+#ifdef BCM_CNIC
+	igu_vec = BP_L_ID(bp) + offset;
+	bp->msix_table[1].entry = igu_vec;
+	DP(NETIF_MSG_IFUP, "msix_table[1].entry = %d (CNIC)\n", igu_vec);
+	offset++;
+#endif
 	for_each_queue(bp, i) {
 		igu_vec = BP_L_ID(bp) + offset + i;
 		bp->msix_table[i + offset].entry = igu_vec;
@@ -6932,6 +6991,9 @@ static int bnx2x_req_msix_irqs(struct bnx2x *bp)
 		return -EBUSY;
 	}
 
+#ifdef BCM_CNIC
+	offset++;
+#endif
 	for_each_queue(bp, i) {
 		struct bnx2x_fastpath *fp = &bp->fp[i];
 
@@ -7496,10 +7558,18 @@ static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
 		}
 
 	if (bp->state == BNX2X_STATE_OPEN) {
+#ifdef BCM_CNIC
+		/* Enable Timer scan */
+		REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + BP_PORT(bp)*4, 1);
+#endif
 		for_each_nondefault_queue(bp, i) {
 			rc = bnx2x_setup_multi(bp, i);
 			if (rc)
+#ifdef BCM_CNIC
+				goto load_error4;
+#else
 				goto load_error3;
+#endif
 		}
 
 		if (CHIP_IS_E1(bp))
@@ -7549,6 +7619,11 @@ static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
 
 	return 0;
 
+#ifdef BCM_CNIC
+load_error4:
+	/* Disable Timer scan */
+	REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + BP_PORT(bp)*4, 0);
+#endif
 load_error3:
 	bnx2x_int_disable_sync(bp, 1);
 	if (!BP_NOMCP(bp)) {
@@ -7656,6 +7731,19 @@ static void bnx2x_reset_func(struct bnx2x *bp)
 	REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
 	REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
 
+#ifdef BCM_CNIC
+	/* Disable Timer scan */
+	REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
+	/*
+	 * Wait for at least 10ms and up to 2 second for the timers scan to
+	 * complete
+	 */
+	for (i = 0; i < 200; i++) {
+		msleep(10);
+		if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
+			break;
+	}
+#endif
 	/* Clear ILT */
 	base = FUNC_ILT_BASE(func);
 	for (i = base; i < base + ILT_PER_FUNC; i++)
@@ -8666,6 +8754,12 @@ static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
 	bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
 	memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
 	memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
+
+#ifdef BCM_CNIC
+	val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].iscsi_mac_upper);
+	val = SHMEM_RD(bp, dev_info.port_hw_config[port].iscsi_mac_lower);
+	bnx2x_set_mac_buf(bp->iscsi_mac, val, val2);
+#endif
 }
 
 static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
-- 
GitLab


From 993ac7b5183f82edc9696cd17faae03523e00e09 Mon Sep 17 00:00:00 2001
From: Michael Chan <mchan@broadcom.com>
Date: Sat, 10 Oct 2009 13:46:56 +0000
Subject: [PATCH 0231/1815] bnx2x: Add main CNIC interface functions.

Add the main CNIC registration, callback, MAC addr. setup functions.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Shmulik Ravid - Rabinovitz <shmulikr@broadcom.com>
Acked-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2x.h      |   4 +
 drivers/net/bnx2x_main.c | 388 +++++++++++++++++++++++++++++++++++++++
 drivers/net/cnic_if.h    |  14 +-
 3 files changed, 404 insertions(+), 2 deletions(-)

diff --git a/drivers/net/bnx2x.h b/drivers/net/bnx2x.h
index e94ce837025..60fa14f31d7 100644
--- a/drivers/net/bnx2x.h
+++ b/drivers/net/bnx2x.h
@@ -24,6 +24,10 @@
 #define BCM_VLAN			1
 #endif
 
+#if defined(CONFIG_CNIC) || defined(CONFIG_CNIC_MODULE)
+#define BCM_CNIC 1
+#include "cnic_if.h"
+#endif
 
 #define BNX2X_MULTI_QUEUE
 
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index f7b71100e95..b4e9c6ebac5 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -969,6 +969,9 @@ static void bnx2x_tx_int(struct bnx2x_fastpath *fp)
 	}
 }
 
+#ifdef BCM_CNIC
+static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid);
+#endif
 
 static void bnx2x_sp_event(struct bnx2x_fastpath *fp,
 			   union eth_rx_cqe *rr_cqe)
@@ -1025,6 +1028,12 @@ static void bnx2x_sp_event(struct bnx2x_fastpath *fp,
 		bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_CLOSED;
 		break;
 
+#ifdef BCM_CNIC
+	case (RAMROD_CMD_ID_ETH_CFC_DEL | BNX2X_STATE_OPEN):
+		DP(NETIF_MSG_IFDOWN, "got delete ramrod for CID %d\n", cid);
+		bnx2x_cnic_cfc_comp(bp, cid);
+		break;
+#endif
 
 	case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN):
 	case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_DIAG):
@@ -1810,6 +1819,20 @@ static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
 		}
 	}
 
+#ifdef BCM_CNIC
+	mask = 0x2 << CNIC_SB_ID(bp);
+	if (status & (mask | 0x1)) {
+		struct cnic_ops *c_ops = NULL;
+
+		rcu_read_lock();
+		c_ops = rcu_dereference(bp->cnic_ops);
+		if (c_ops)
+			c_ops->cnic_handler(bp->cnic_data, NULL);
+		rcu_read_unlock();
+
+		status &= ~mask;
+	}
+#endif
 
 	if (unlikely(status & 0x1)) {
 		queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
@@ -3247,6 +3270,17 @@ static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
 		return IRQ_HANDLED;
 #endif
 
+#ifdef BCM_CNIC
+	{
+		struct cnic_ops *c_ops;
+
+		rcu_read_lock();
+		c_ops = rcu_dereference(bp->cnic_ops);
+		if (c_ops)
+			c_ops->cnic_handler(bp->cnic_data, NULL);
+		rcu_read_unlock();
+	}
+#endif
 	queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
 
 	return IRQ_HANDLED;
@@ -7291,6 +7325,44 @@ static void bnx2x_set_eth_mac_addr_e1(struct bnx2x *bp, int set)
 	bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending, set ? 0 : 1);
 }
 
+#ifdef BCM_CNIC
+/**
+ * Set iSCSI MAC(s) at the next enties in the CAM after the ETH
+ * MAC(s). This function will wait until the ramdord completion
+ * returns.
+ *
+ * @param bp driver handle
+ * @param set set or clear the CAM entry
+ *
+ * @return 0 if cussess, -ENODEV if ramrod doesn't return.
+ */
+static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp, int set)
+{
+	u32 cl_bit_vec = (1 << BCM_ISCSI_ETH_CL_ID);
+
+	bp->set_mac_pending++;
+	smp_wmb();
+
+	/* Send a SET_MAC ramrod */
+	if (CHIP_IS_E1(bp))
+		bnx2x_set_mac_addr_e1_gen(bp, set, bp->iscsi_mac,
+				  cl_bit_vec, (BP_PORT(bp) ? 32 : 0) + 2,
+				  1);
+	else
+		/* CAM allocation for E1H
+		* unicasts: by func number
+		* multicast: 20+FUNC*20, 20 each
+		*/
+		bnx2x_set_mac_addr_e1h_gen(bp, set, bp->iscsi_mac,
+				   cl_bit_vec, E1H_FUNC_MAX + BP_FUNC(bp));
+
+	/* Wait for a completion when setting */
+	bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending, set ? 0 : 1);
+
+	return 0;
+}
+#endif
+
 static int bnx2x_setup_leading(struct bnx2x *bp)
 {
 	int rc;
@@ -7416,6 +7488,10 @@ static int bnx2x_set_int_mode(struct bnx2x *bp)
 	return rc;
 }
 
+#ifdef BCM_CNIC
+static int bnx2x_cnic_notify(struct bnx2x *bp, int cmd);
+static void bnx2x_setup_cnic_irq_info(struct bnx2x *bp);
+#endif
 
 /* must be called with rtnl_lock */
 static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
@@ -7576,6 +7652,15 @@ static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
 			bnx2x_set_eth_mac_addr_e1(bp, 1);
 		else
 			bnx2x_set_eth_mac_addr_e1h(bp, 1);
+#ifdef BCM_CNIC
+		/* Set iSCSI L2 MAC */
+		mutex_lock(&bp->cnic_mutex);
+		if (bp->cnic_eth_dev.drv_state & CNIC_DRV_STATE_REGD) {
+			bnx2x_set_iscsi_eth_mac_addr(bp, 1);
+			bp->cnic_flags |= BNX2X_CNIC_FLAG_MAC_SET;
+		}
+		mutex_unlock(&bp->cnic_mutex);
+#endif
 	}
 
 	if (bp->port.pmf)
@@ -7616,6 +7701,11 @@ static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
 	/* start the timer */
 	mod_timer(&bp->timer, jiffies + bp->current_interval);
 
+#ifdef BCM_CNIC
+	bnx2x_setup_cnic_irq_info(bp);
+	if (bp->state == BNX2X_STATE_OPEN)
+		bnx2x_cnic_notify(bp, CNIC_CTL_START_CMD);
+#endif
 
 	return 0;
 
@@ -7810,6 +7900,9 @@ static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
 	u32 reset_code = 0;
 	int i, cnt, rc;
 
+#ifdef BCM_CNIC
+	bnx2x_cnic_notify(bp, CNIC_CTL_STOP_CMD);
+#endif
 	bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;
 
 	/* Set "drop all" */
@@ -7886,6 +7979,15 @@ static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
 
 		REG_WR(bp, MISC_REG_E1HMF_MODE, 0);
 	}
+#ifdef BCM_CNIC
+	/* Clear iSCSI L2 MAC */
+	mutex_lock(&bp->cnic_mutex);
+	if (bp->cnic_flags & BNX2X_CNIC_FLAG_MAC_SET) {
+		bnx2x_set_iscsi_eth_mac_addr(bp, 0);
+		bp->cnic_flags &= ~BNX2X_CNIC_FLAG_MAC_SET;
+	}
+	mutex_unlock(&bp->cnic_mutex);
+#endif
 
 	if (unload_mode == UNLOAD_NORMAL)
 		reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
@@ -8855,6 +8957,9 @@ static int __devinit bnx2x_init_bp(struct bnx2x *bp)
 	smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
 
 	mutex_init(&bp->port.phy_mutex);
+#ifdef BCM_CNIC
+	mutex_init(&bp->cnic_mutex);
+#endif
 
 	INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
 	INIT_WORK(&bp->reset_task, bnx2x_reset_task);
@@ -12448,4 +12553,287 @@ static void __exit bnx2x_cleanup(void)
 module_init(bnx2x_init);
 module_exit(bnx2x_cleanup);
 
+#ifdef BCM_CNIC
+
+/* count denotes the number of new completions we have seen */
+static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
+{
+	struct eth_spe *spe;
+
+#ifdef BNX2X_STOP_ON_ERROR
+	if (unlikely(bp->panic))
+		return;
+#endif
+
+	spin_lock_bh(&bp->spq_lock);
+	bp->cnic_spq_pending -= count;
+
+	for (; bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending;
+	     bp->cnic_spq_pending++) {
+
+		if (!bp->cnic_kwq_pending)
+			break;
+
+		spe = bnx2x_sp_get_next(bp);
+		*spe = *bp->cnic_kwq_cons;
+
+		bp->cnic_kwq_pending--;
+
+		DP(NETIF_MSG_TIMER, "pending on SPQ %d, on KWQ %d count %d\n",
+		   bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
+
+		if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
+			bp->cnic_kwq_cons = bp->cnic_kwq;
+		else
+			bp->cnic_kwq_cons++;
+	}
+	bnx2x_sp_prod_update(bp);
+	spin_unlock_bh(&bp->spq_lock);
+}
+
+static int bnx2x_cnic_sp_queue(struct net_device *dev,
+			       struct kwqe_16 *kwqes[], u32 count)
+{
+	struct bnx2x *bp = netdev_priv(dev);
+	int i;
+
+#ifdef BNX2X_STOP_ON_ERROR
+	if (unlikely(bp->panic))
+		return -EIO;
+#endif
+
+	spin_lock_bh(&bp->spq_lock);
+
+	for (i = 0; i < count; i++) {
+		struct eth_spe *spe = (struct eth_spe *)kwqes[i];
+
+		if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
+			break;
+
+		*bp->cnic_kwq_prod = *spe;
+
+		bp->cnic_kwq_pending++;
+
+		DP(NETIF_MSG_TIMER, "L5 SPQE %x %x %x:%x pos %d\n",
+		   spe->hdr.conn_and_cmd_data, spe->hdr.type,
+		   spe->data.mac_config_addr.hi,
+		   spe->data.mac_config_addr.lo,
+		   bp->cnic_kwq_pending);
+
+		if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
+			bp->cnic_kwq_prod = bp->cnic_kwq;
+		else
+			bp->cnic_kwq_prod++;
+	}
+
+	spin_unlock_bh(&bp->spq_lock);
+
+	if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
+		bnx2x_cnic_sp_post(bp, 0);
+
+	return i;
+}
+
+static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
+{
+	struct cnic_ops *c_ops;
+	int rc = 0;
+
+	mutex_lock(&bp->cnic_mutex);
+	c_ops = bp->cnic_ops;
+	if (c_ops)
+		rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
+	mutex_unlock(&bp->cnic_mutex);
+
+	return rc;
+}
+
+static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
+{
+	struct cnic_ops *c_ops;
+	int rc = 0;
+
+	rcu_read_lock();
+	c_ops = rcu_dereference(bp->cnic_ops);
+	if (c_ops)
+		rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
+	rcu_read_unlock();
+
+	return rc;
+}
+
+/*
+ * for commands that have no data
+ */
+static int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
+{
+	struct cnic_ctl_info ctl = {0};
+
+	ctl.cmd = cmd;
+
+	return bnx2x_cnic_ctl_send(bp, &ctl);
+}
+
+static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid)
+{
+	struct cnic_ctl_info ctl;
+
+	/* first we tell CNIC and only then we count this as a completion */
+	ctl.cmd = CNIC_CTL_COMPLETION_CMD;
+	ctl.data.comp.cid = cid;
+
+	bnx2x_cnic_ctl_send_bh(bp, &ctl);
+	bnx2x_cnic_sp_post(bp, 1);
+}
+
+static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
+{
+	struct bnx2x *bp = netdev_priv(dev);
+	int rc = 0;
+
+	switch (ctl->cmd) {
+	case DRV_CTL_CTXTBL_WR_CMD: {
+		u32 index = ctl->data.io.offset;
+		dma_addr_t addr = ctl->data.io.dma_addr;
+
+		bnx2x_ilt_wr(bp, index, addr);
+		break;
+	}
+
+	case DRV_CTL_COMPLETION_CMD: {
+		int count = ctl->data.comp.comp_count;
+
+		bnx2x_cnic_sp_post(bp, count);
+		break;
+	}
+
+	/* rtnl_lock is held.  */
+	case DRV_CTL_START_L2_CMD: {
+		u32 cli = ctl->data.ring.client_id;
+
+		bp->rx_mode_cl_mask |= (1 << cli);
+		bnx2x_set_storm_rx_mode(bp);
+		break;
+	}
+
+	/* rtnl_lock is held.  */
+	case DRV_CTL_STOP_L2_CMD: {
+		u32 cli = ctl->data.ring.client_id;
+
+		bp->rx_mode_cl_mask &= ~(1 << cli);
+		bnx2x_set_storm_rx_mode(bp);
+		break;
+	}
+
+	default:
+		BNX2X_ERR("unknown command %x\n", ctl->cmd);
+		rc = -EINVAL;
+	}
+
+	return rc;
+}
+
+static void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
+{
+	struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
+
+	if (bp->flags & USING_MSIX_FLAG) {
+		cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
+		cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
+		cp->irq_arr[0].vector = bp->msix_table[1].vector;
+	} else {
+		cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
+		cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
+	}
+	cp->irq_arr[0].status_blk = bp->cnic_sb;
+	cp->irq_arr[0].status_blk_num = CNIC_SB_ID(bp);
+	cp->irq_arr[1].status_blk = bp->def_status_blk;
+	cp->irq_arr[1].status_blk_num = DEF_SB_ID;
+
+	cp->num_irq = 2;
+}
+
+static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
+			       void *data)
+{
+	struct bnx2x *bp = netdev_priv(dev);
+	struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
+
+	if (ops == NULL)
+		return -EINVAL;
+
+	if (atomic_read(&bp->intr_sem) != 0)
+		return -EBUSY;
+
+	bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
+	if (!bp->cnic_kwq)
+		return -ENOMEM;
+
+	bp->cnic_kwq_cons = bp->cnic_kwq;
+	bp->cnic_kwq_prod = bp->cnic_kwq;
+	bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
+
+	bp->cnic_spq_pending = 0;
+	bp->cnic_kwq_pending = 0;
+
+	bp->cnic_data = data;
+
+	cp->num_irq = 0;
+	cp->drv_state = CNIC_DRV_STATE_REGD;
+
+	bnx2x_init_sb(bp, bp->cnic_sb, bp->cnic_sb_mapping, CNIC_SB_ID(bp));
+
+	bnx2x_setup_cnic_irq_info(bp);
+	bnx2x_set_iscsi_eth_mac_addr(bp, 1);
+	bp->cnic_flags |= BNX2X_CNIC_FLAG_MAC_SET;
+	rcu_assign_pointer(bp->cnic_ops, ops);
+
+	return 0;
+}
+
+static int bnx2x_unregister_cnic(struct net_device *dev)
+{
+	struct bnx2x *bp = netdev_priv(dev);
+	struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
+
+	mutex_lock(&bp->cnic_mutex);
+	if (bp->cnic_flags & BNX2X_CNIC_FLAG_MAC_SET) {
+		bp->cnic_flags &= ~BNX2X_CNIC_FLAG_MAC_SET;
+		bnx2x_set_iscsi_eth_mac_addr(bp, 0);
+	}
+	cp->drv_state = 0;
+	rcu_assign_pointer(bp->cnic_ops, NULL);
+	mutex_unlock(&bp->cnic_mutex);
+	synchronize_rcu();
+	kfree(bp->cnic_kwq);
+	bp->cnic_kwq = NULL;
+
+	return 0;
+}
+
+struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
+{
+	struct bnx2x *bp = netdev_priv(dev);
+	struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
+
+	cp->drv_owner = THIS_MODULE;
+	cp->chip_id = CHIP_ID(bp);
+	cp->pdev = bp->pdev;
+	cp->io_base = bp->regview;
+	cp->io_base2 = bp->doorbells;
+	cp->max_kwqe_pending = 8;
+	cp->ctx_blk_size = CNIC_CTX_PER_ILT * sizeof(union cdu_context);
+	cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) + 1;
+	cp->ctx_tbl_len = CNIC_ILT_LINES;
+	cp->starting_cid = BCM_CNIC_CID_START;
+	cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
+	cp->drv_ctl = bnx2x_drv_ctl;
+	cp->drv_register_cnic = bnx2x_register_cnic;
+	cp->drv_unregister_cnic = bnx2x_unregister_cnic;
+
+	return cp;
+}
+EXPORT_SYMBOL(bnx2x_cnic_probe);
+
+#endif /* BCM_CNIC */
 
diff --git a/drivers/net/cnic_if.h b/drivers/net/cnic_if.h
index d8b09efdcb5..8aaf98bdd4f 100644
--- a/drivers/net/cnic_if.h
+++ b/drivers/net/cnic_if.h
@@ -12,8 +12,8 @@
 #ifndef CNIC_IF_H
 #define CNIC_IF_H
 
-#define CNIC_MODULE_VERSION	"2.0.1"
-#define CNIC_MODULE_RELDATE	"Oct 01, 2009"
+#define CNIC_MODULE_VERSION	"2.1.0"
+#define CNIC_MODULE_RELDATE	"Oct 10, 2009"
 
 #define CNIC_ULP_RDMA		0
 #define CNIC_ULP_ISCSI		1
@@ -81,6 +81,8 @@ struct kcqe {
 #define DRV_CTL_CTX_WR_CMD		0x103
 #define DRV_CTL_CTXTBL_WR_CMD		0x104
 #define DRV_CTL_COMPLETION_CMD		0x105
+#define DRV_CTL_START_L2_CMD		0x106
+#define DRV_CTL_STOP_L2_CMD		0x107
 
 struct cnic_ctl_completion {
 	u32	cid;
@@ -105,11 +107,17 @@ struct drv_ctl_io {
 	dma_addr_t	dma_addr;
 };
 
+struct drv_ctl_l2_ring {
+	u32		client_id;
+	u32		cid;
+};
+
 struct drv_ctl_info {
 	int	cmd;
 	union {
 		struct drv_ctl_completion comp;
 		struct drv_ctl_io io;
+		struct drv_ctl_l2_ring ring;
 		char bytes[MAX_DRV_CTL_DATA];
 	} data;
 };
@@ -143,6 +151,7 @@ struct cnic_eth_dev {
 	u32		max_kwqe_pending;
 	struct pci_dev	*pdev;
 	void __iomem	*io_base;
+	void __iomem	*io_base2;
 
 	u32		ctx_tbl_offset;
 	u32		ctx_tbl_len;
@@ -298,5 +307,6 @@ extern int cnic_register_driver(int ulp_type, struct cnic_ulp_ops *ulp_ops);
 extern int cnic_unregister_driver(int ulp_type);
 
 extern struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev);
+extern struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev);
 
 #endif
-- 
GitLab


From 86b53606ebec06b16be81c30fabdf8decc2be6b2 Mon Sep 17 00:00:00 2001
From: Michael Chan <mchan@broadcom.com>
Date: Sat, 10 Oct 2009 13:46:57 +0000
Subject: [PATCH 0232/1815] cnic: Refactor some code.

Refactor ring init. code for subsequent 10G patches.  Also add rtnl_lock()
in cnic_uio_open() to prevent race condition with netdev events.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/cnic.c | 64 +++++++++++++++++++++++++++++++++-------------
 1 file changed, 46 insertions(+), 18 deletions(-)

diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c
index 46c87ec7960..eac68f96f80 100644
--- a/drivers/net/cnic.c
+++ b/drivers/net/cnic.c
@@ -67,9 +67,8 @@ static struct cnic_ops cnic_bnx2_ops = {
 	.cnic_ctl	= cnic_ctl,
 };
 
-static void cnic_shutdown_bnx2_rx_ring(struct cnic_dev *);
-static void cnic_init_bnx2_tx_ring(struct cnic_dev *);
-static void cnic_init_bnx2_rx_ring(struct cnic_dev *);
+static void cnic_shutdown_rings(struct cnic_dev *);
+static void cnic_init_rings(struct cnic_dev *);
 static int cnic_cm_set_pg(struct cnic_sock *);
 
 static int cnic_uio_open(struct uio_info *uinfo, struct inode *inode)
@@ -83,10 +82,16 @@ static int cnic_uio_open(struct uio_info *uinfo, struct inode *inode)
 	if (cp->uio_dev != -1)
 		return -EBUSY;
 
+	rtnl_lock();
+	if (!test_bit(CNIC_F_CNIC_UP, &dev->flags)) {
+		rtnl_unlock();
+		return -ENODEV;
+	}
+
 	cp->uio_dev = iminor(inode);
 
-	cnic_init_bnx2_tx_ring(dev);
-	cnic_init_bnx2_rx_ring(dev);
+	cnic_init_rings(dev);
+	rtnl_unlock();
 
 	return 0;
 }
@@ -96,7 +101,7 @@ static int cnic_uio_close(struct uio_info *uinfo, struct inode *inode)
 	struct cnic_dev *dev = uinfo->priv;
 	struct cnic_local *cp = dev->cnic_priv;
 
-	cnic_shutdown_bnx2_rx_ring(dev);
+	cnic_shutdown_rings(dev);
 
 	cp->uio_dev = -1;
 	return 0;
@@ -675,6 +680,21 @@ error:
 	return -ENOMEM;
 }
 
+static void cnic_free_context(struct cnic_dev *dev)
+{
+	struct cnic_local *cp = dev->cnic_priv;
+	int i;
+
+	for (i = 0; i < cp->ctx_blks; i++) {
+		if (cp->ctx_arr[i].ctx) {
+			pci_free_consistent(dev->pcidev, cp->ctx_blk_size,
+					    cp->ctx_arr[i].ctx,
+					    cp->ctx_arr[i].mapping);
+			cp->ctx_arr[i].ctx = NULL;
+		}
+	}
+}
+
 static void cnic_free_resc(struct cnic_dev *dev)
 {
 	struct cnic_local *cp = dev->cnic_priv;
@@ -702,14 +722,7 @@ static void cnic_free_resc(struct cnic_dev *dev)
 		cp->l2_ring = NULL;
 	}
 
-	for (i = 0; i < cp->ctx_blks; i++) {
-		if (cp->ctx_arr[i].ctx) {
-			pci_free_consistent(dev->pcidev, cp->ctx_blk_size,
-					    cp->ctx_arr[i].ctx,
-					    cp->ctx_arr[i].mapping);
-			cp->ctx_arr[i].ctx = NULL;
-		}
-	}
+	cnic_free_context(dev);
 	kfree(cp->ctx_arr);
 	cp->ctx_arr = NULL;
 	cp->ctx_blks = 0;
@@ -808,8 +821,8 @@ static int cnic_alloc_uio(struct cnic_dev *dev) {
 	uinfo->mem[0].size = dev->netdev->mem_end - dev->netdev->mem_start;
 	uinfo->mem[0].memtype = UIO_MEM_PHYS;
 
-	uinfo->mem[1].addr = (unsigned long) cp->status_blk & PAGE_MASK;
 	if (test_bit(CNIC_F_BNX2_CLASS, &dev->flags)) {
+		uinfo->mem[1].addr = (unsigned long) cp->status_blk & PAGE_MASK;
 		if (cp->ethdev->drv_state & CNIC_DRV_STATE_USING_MSIX)
 			uinfo->mem[1].size = BNX2_SBLK_MSIX_ALIGN_SIZE * 9;
 		else
@@ -1012,7 +1025,7 @@ static int cnic_get_kcqes(struct cnic_dev *dev, u16 hw_prod, u16 *sw_prod)
 	return last_cnt;
 }
 
-static void cnic_chk_bnx2_pkt_rings(struct cnic_local *cp)
+static void cnic_chk_pkt_rings(struct cnic_local *cp)
 {
 	u16 rx_cons = *cp->rx_cons_ptr;
 	u16 tx_cons = *cp->tx_cons_ptr;
@@ -1062,7 +1075,7 @@ done:
 
 	cp->kcq_prod_idx = sw_prod;
 
-	cnic_chk_bnx2_pkt_rings(cp);
+	cnic_chk_pkt_rings(cp);
 	return status_idx;
 }
 
@@ -1100,7 +1113,7 @@ done:
 	CNIC_WR16(dev, cp->kcq_io_addr, sw_prod);
 	cp->kcq_prod_idx = sw_prod;
 
-	cnic_chk_bnx2_pkt_rings(cp);
+	cnic_chk_pkt_rings(cp);
 
 	cp->last_status_idx = status_idx;
 	CNIC_WR(dev, BNX2_PCICFG_INT_ACK_CMD, cp->int_num |
@@ -2464,6 +2477,21 @@ static int cnic_start_bnx2_hw(struct cnic_dev *dev)
 	return 0;
 }
 
+static void cnic_init_rings(struct cnic_dev *dev)
+{
+	if (test_bit(CNIC_F_BNX2_CLASS, &dev->flags)) {
+		cnic_init_bnx2_tx_ring(dev);
+		cnic_init_bnx2_rx_ring(dev);
+	}
+}
+
+static void cnic_shutdown_rings(struct cnic_dev *dev)
+{
+	if (test_bit(CNIC_F_BNX2_CLASS, &dev->flags)) {
+		cnic_shutdown_bnx2_rx_ring(dev);
+	}
+}
+
 static int cnic_register_netdev(struct cnic_dev *dev)
 {
 	struct cnic_local *cp = dev->cnic_priv;
-- 
GitLab


From e251306556d30c9c678feca60204acaaa0784cbd Mon Sep 17 00:00:00 2001
From: Michael Chan <mchan@broadcom.com>
Date: Sat, 10 Oct 2009 13:46:58 +0000
Subject: [PATCH 0233/1815] cnic: Add bnx2x data structures.

Add hardware and software structures for bnx2x devices.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Acked-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2x_hsi.h |   16 +-
 drivers/net/cnic.c      |    5 +
 drivers/net/cnic.h      |   64 ++
 drivers/net/cnic_defs.h | 1917 +++++++++++++++++++++++++++++++++++++++
 4 files changed, 2001 insertions(+), 1 deletion(-)

diff --git a/drivers/net/bnx2x_hsi.h b/drivers/net/bnx2x_hsi.h
index 8e2261fad48..994743d892e 100644
--- a/drivers/net/bnx2x_hsi.h
+++ b/drivers/net/bnx2x_hsi.h
@@ -7,6 +7,20 @@
  * the Free Software Foundation.
  */
 
+struct license_key {
+	u32 reserved[6];
+
+#if defined(__BIG_ENDIAN)
+	u16 max_iscsi_init_conn;
+	u16 max_iscsi_trgt_conn;
+#elif defined(__LITTLE_ENDIAN)
+	u16 max_iscsi_trgt_conn;
+	u16 max_iscsi_init_conn;
+#endif
+
+	u32 reserved_a[6];
+};
+
 
 #define PORT_0				0
 #define PORT_1				1
@@ -881,7 +895,7 @@ struct shmem_region {			       /*   SharedMem Offset (size) */
 
 	struct shm_dev_info	dev_info;		 /* 0x8     (0x438) */
 
-	u8			reserved[52*PORT_MAX];
+	struct license_key	drv_lic_key[PORT_MAX];	/* 0x440 (52*2=0x68) */
 
 	/* FW information (for internal FW use) */
 	u32			fw_info_fio_offset;    /* 0x4a8       (0x4) */
diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c
index eac68f96f80..1fd10584bad 100644
--- a/drivers/net/cnic.c
+++ b/drivers/net/cnic.c
@@ -37,6 +37,11 @@
 
 #include "cnic_if.h"
 #include "bnx2.h"
+#include "bnx2x_reg.h"
+#include "bnx2x_fw_defs.h"
+#include "bnx2x_hsi.h"
+#include "../scsi/bnx2i/57xx_iscsi_constants.h"
+#include "../scsi/bnx2i/57xx_iscsi_hsi.h"
 #include "cnic.h"
 #include "cnic_defs.h"
 
diff --git a/drivers/net/cnic.h b/drivers/net/cnic.h
index a94b302bb46..241d09acc0d 100644
--- a/drivers/net/cnic.h
+++ b/drivers/net/cnic.h
@@ -227,6 +227,7 @@ struct cnic_local {
 	void				*status_blk;
 	struct status_block_msix	*bnx2_status_blk;
 	struct host_status_block	*bnx2x_status_blk;
+	struct host_def_status_block	*bnx2x_def_status_blk;
 
 	u32				status_blk_num;
 	u32				int_num;
@@ -258,6 +259,7 @@ struct cnic_local {
 	struct cnic_ctx		*ctx_arr;
 	int			ctx_blks;
 	int			ctx_blk_size;
+	unsigned long		ctx_align;
 	int			cids_per_blk;
 
 	u32			chip_id;
@@ -290,11 +292,73 @@ struct bnx2x_bd_chain_next {
 	u8	reserved[8];
 };
 
+#define ISCSI_DEFAULT_MAX_OUTSTANDING_R2T 	(1)
+
 #define ISCSI_RAMROD_CMD_ID_UPDATE_CONN		(ISCSI_KCQE_OPCODE_UPDATE_CONN)
 #define ISCSI_RAMROD_CMD_ID_INIT		(ISCSI_KCQE_OPCODE_INIT)
 
 #define CDU_REGION_NUMBER_XCM_AG 2
 #define CDU_REGION_NUMBER_UCM_AG 4
 
+#define CDU_VALID_DATA(_cid, _region, _type)	\
+	(((_cid) << 8) | (((_region)&0xf)<<4) | (((_type)&0xf)))
+
+#define CDU_CRC8(_cid, _region, _type)	\
+	(calc_crc8(CDU_VALID_DATA(_cid, _region, _type), 0xff))
+
+#define CDU_RSRVD_VALUE_TYPE_A(_cid, _region, _type)	\
+	(0x80 | ((CDU_CRC8(_cid, _region, _type)) & 0x7f))
+
+#define BNX2X_CONTEXT_MEM_SIZE		1024
+#define BNX2X_FCOE_CID			16
+
+/* iSCSI client IDs are 17, 19, 21, 23 */
+#define BNX2X_ISCSI_BASE_CL_ID		17
+#define BNX2X_ISCSI_CL_ID(vn)		(BNX2X_ISCSI_BASE_CL_ID + ((vn) << 1))
+
+#define BNX2X_ISCSI_L2_CID		17
+#define BNX2X_ISCSI_START_CID		18
+#define BNX2X_ISCSI_NUM_CONNECTIONS	128
+#define BNX2X_ISCSI_TASK_CONTEXT_SIZE	128
+#define BNX2X_ISCSI_MAX_PENDING_R2TS	4
+#define BNX2X_ISCSI_R2TQE_SIZE		8
+#define BNX2X_ISCSI_HQ_BD_SIZE		64
+#define BNX2X_ISCSI_CONN_BUF_SIZE	64
+#define BNX2X_ISCSI_GLB_BUF_SIZE	64
+#define BNX2X_ISCSI_PBL_NOT_CACHED	0xff
+#define BNX2X_ISCSI_PDU_HEADER_NOT_CACHED	0xff
+#define BNX2X_HW_CID(x, func)		((x) | (((func) % PORT_MAX) << 23) | \
+					 (((func) >> 1) << 17))
+#define BNX2X_SW_CID(x)			(x & 0x1ffff)
+#define BNX2X_CHIP_NUM_57711		0x164f
+#define BNX2X_CHIP_NUM_57711E		0x1650
+#define BNX2X_CHIP_NUM(x)		(x >> 16)
+#define BNX2X_CHIP_IS_57711(x)		\
+	(BNX2X_CHIP_NUM(x) == BNX2X_CHIP_NUM_57711)
+#define BNX2X_CHIP_IS_57711E(x)		\
+	(BNX2X_CHIP_NUM(x) == BNX2X_CHIP_NUM_57711E)
+#define BNX2X_CHIP_IS_E1H(x)		\
+	(BNX2X_CHIP_IS_57711(x) || BNX2X_CHIP_IS_57711E(x))
+#define IS_E1H_OFFSET       		BNX2X_CHIP_IS_E1H(cp->chip_id)
+
+#define BNX2X_RX_DESC_CNT		(BCM_PAGE_SIZE / sizeof(struct eth_rx_bd))
+#define BNX2X_MAX_RX_DESC_CNT		(BNX2X_RX_DESC_CNT - 2)
+#define BNX2X_RCQ_DESC_CNT		(BCM_PAGE_SIZE / sizeof(union eth_rx_cqe))
+#define BNX2X_MAX_RCQ_DESC_CNT		(BNX2X_RCQ_DESC_CNT - 1)
+
+#define BNX2X_DEF_SB_ID			16
+
+#define BNX2X_ISCSI_RX_SB_INDEX_NUM					\
+		((HC_INDEX_DEF_U_ETH_ISCSI_RX_CQ_CONS << \
+		  USTORM_ETH_ST_CONTEXT_CONFIG_CQE_SB_INDEX_NUMBER_SHIFT) & \
+		 USTORM_ETH_ST_CONTEXT_CONFIG_CQE_SB_INDEX_NUMBER)
+
+#define BNX2X_SHMEM_ADDR(base, field)	(base + \
+					 offsetof(struct shmem_region, field))
+
+#define CNIC_PORT(cp)			((cp)->func % PORT_MAX)
+#define CNIC_FUNC(cp)			((cp)->func)
+#define CNIC_E1HVN(cp)			((cp)->func >> 1)
+
 #endif
 
diff --git a/drivers/net/cnic_defs.h b/drivers/net/cnic_defs.h
index cee80f69445..9827b278dc7 100644
--- a/drivers/net/cnic_defs.h
+++ b/drivers/net/cnic_defs.h
@@ -51,6 +51,9 @@
 #define L4_KCQE_COMPLETION_STATUS_SUCCESS		    (0)
 #define L4_KCQE_COMPLETION_STATUS_TIMEOUT        (0x93)
 
+#define L4_KCQE_COMPLETION_STATUS_CTX_ALLOC_FAIL (0x83)
+#define L4_KCQE_COMPLETION_STATUS_OFFLOADED_PG   (0x89)
+
 #define L4_LAYER_CODE (4)
 #define L2_LAYER_CODE (2)
 
@@ -577,4 +580,1918 @@ struct l4_kwq_upload {
 	u32 reserved2[6];
 };
 
+/*
+ * bnx2x structures
+ */
+
+/*
+ * iSCSI context region, used only in iSCSI
+ */
+struct ustorm_iscsi_rq_db {
+	struct regpair pbl_base;
+	struct regpair curr_pbe;
+};
+
+/*
+ * iSCSI context region, used only in iSCSI
+ */
+struct ustorm_iscsi_r2tq_db {
+	struct regpair pbl_base;
+	struct regpair curr_pbe;
+};
+
+/*
+ * iSCSI context region, used only in iSCSI
+ */
+struct ustorm_iscsi_cq_db {
+#if defined(__BIG_ENDIAN)
+	u16 cq_sn;
+	u16 prod;
+#elif defined(__LITTLE_ENDIAN)
+	u16 prod;
+	u16 cq_sn;
+#endif
+	struct regpair curr_pbe;
+};
+
+/*
+ * iSCSI context region, used only in iSCSI
+ */
+struct rings_db {
+	struct ustorm_iscsi_rq_db rq;
+	struct ustorm_iscsi_r2tq_db r2tq;
+	struct ustorm_iscsi_cq_db cq[8];
+#if defined(__BIG_ENDIAN)
+	u16 rq_prod;
+	u16 r2tq_prod;
+#elif defined(__LITTLE_ENDIAN)
+	u16 r2tq_prod;
+	u16 rq_prod;
+#endif
+	struct regpair cq_pbl_base;
+};
+
+/*
+ * iSCSI context region, used only in iSCSI
+ */
+struct ustorm_iscsi_placement_db {
+	u32 sgl_base_lo;
+	u32 sgl_base_hi;
+	u32 local_sge_0_address_hi;
+	u32 local_sge_0_address_lo;
+#if defined(__BIG_ENDIAN)
+	u16 curr_sge_offset;
+	u16 local_sge_0_size;
+#elif defined(__LITTLE_ENDIAN)
+	u16 local_sge_0_size;
+	u16 curr_sge_offset;
+#endif
+	u32 local_sge_1_address_hi;
+	u32 local_sge_1_address_lo;
+#if defined(__BIG_ENDIAN)
+	u16 reserved6;
+	u16 local_sge_1_size;
+#elif defined(__LITTLE_ENDIAN)
+	u16 local_sge_1_size;
+	u16 reserved6;
+#endif
+#if defined(__BIG_ENDIAN)
+	u8 sgl_size;
+	u8 local_sge_index_2b;
+	u16 reserved7;
+#elif defined(__LITTLE_ENDIAN)
+	u16 reserved7;
+	u8 local_sge_index_2b;
+	u8 sgl_size;
+#endif
+	u32 rem_pdu;
+	u32 place_db_bitfield_1;
+#define USTORM_ISCSI_PLACEMENT_DB_REM_PDU_PAYLOAD (0xFFFFFF<<0)
+#define USTORM_ISCSI_PLACEMENT_DB_REM_PDU_PAYLOAD_SHIFT 0
+#define USTORM_ISCSI_PLACEMENT_DB_CQ_ID (0xFF<<24)
+#define USTORM_ISCSI_PLACEMENT_DB_CQ_ID_SHIFT 24
+	u32 place_db_bitfield_2;
+#define USTORM_ISCSI_PLACEMENT_DB_BYTES_2_TRUNCATE (0xFFFFFF<<0)
+#define USTORM_ISCSI_PLACEMENT_DB_BYTES_2_TRUNCATE_SHIFT 0
+#define USTORM_ISCSI_PLACEMENT_DB_HOST_SGE_INDEX (0xFF<<24)
+#define USTORM_ISCSI_PLACEMENT_DB_HOST_SGE_INDEX_SHIFT 24
+	u32 nal;
+#define USTORM_ISCSI_PLACEMENT_DB_REM_SGE_SIZE (0xFFFFFF<<0)
+#define USTORM_ISCSI_PLACEMENT_DB_REM_SGE_SIZE_SHIFT 0
+#define USTORM_ISCSI_PLACEMENT_DB_EXP_PADDING_2B (0x3<<24)
+#define USTORM_ISCSI_PLACEMENT_DB_EXP_PADDING_2B_SHIFT 24
+#define USTORM_ISCSI_PLACEMENT_DB_EXP_DIGEST_3B (0x7<<26)
+#define USTORM_ISCSI_PLACEMENT_DB_EXP_DIGEST_3B_SHIFT 26
+#define USTORM_ISCSI_PLACEMENT_DB_NAL_LEN_3B (0x7<<29)
+#define USTORM_ISCSI_PLACEMENT_DB_NAL_LEN_3B_SHIFT 29
+};
+
+/*
+ * Ustorm iSCSI Storm Context
+ */
+struct ustorm_iscsi_st_context {
+	u32 exp_stat_sn;
+	u32 exp_data_sn;
+	struct rings_db ring;
+	struct regpair task_pbl_base;
+	struct regpair tce_phy_addr;
+	struct ustorm_iscsi_placement_db place_db;
+	u32 data_rcv_seq;
+	u32 rem_rcv_len;
+#if defined(__BIG_ENDIAN)
+	u16 hdr_itt;
+	u16 iscsi_conn_id;
+#elif defined(__LITTLE_ENDIAN)
+	u16 iscsi_conn_id;
+	u16 hdr_itt;
+#endif
+	u32 nal_bytes;
+#if defined(__BIG_ENDIAN)
+	u8 hdr_second_byte_union;
+	u8 bitfield_0;
+#define USTORM_ISCSI_ST_CONTEXT_BMIDDLEOFPDU (0x1<<0)
+#define USTORM_ISCSI_ST_CONTEXT_BMIDDLEOFPDU_SHIFT 0
+#define USTORM_ISCSI_ST_CONTEXT_BFENCECQE (0x1<<1)
+#define USTORM_ISCSI_ST_CONTEXT_BFENCECQE_SHIFT 1
+#define USTORM_ISCSI_ST_CONTEXT_RESERVED1 (0x3F<<2)
+#define USTORM_ISCSI_ST_CONTEXT_RESERVED1_SHIFT 2
+	u8 task_pdu_cache_index;
+	u8 task_pbe_cache_index;
+#elif defined(__LITTLE_ENDIAN)
+	u8 task_pbe_cache_index;
+	u8 task_pdu_cache_index;
+	u8 bitfield_0;
+#define USTORM_ISCSI_ST_CONTEXT_BMIDDLEOFPDU (0x1<<0)
+#define USTORM_ISCSI_ST_CONTEXT_BMIDDLEOFPDU_SHIFT 0
+#define USTORM_ISCSI_ST_CONTEXT_BFENCECQE (0x1<<1)
+#define USTORM_ISCSI_ST_CONTEXT_BFENCECQE_SHIFT 1
+#define USTORM_ISCSI_ST_CONTEXT_RESERVED1 (0x3F<<2)
+#define USTORM_ISCSI_ST_CONTEXT_RESERVED1_SHIFT 2
+	u8 hdr_second_byte_union;
+#endif
+#if defined(__BIG_ENDIAN)
+	u16 reserved3;
+	u8 reserved2;
+	u8 acDecrement;
+#elif defined(__LITTLE_ENDIAN)
+	u8 acDecrement;
+	u8 reserved2;
+	u16 reserved3;
+#endif
+	u32 task_stat;
+#if defined(__BIG_ENDIAN)
+	u8 hdr_opcode;
+	u8 num_cqs;
+	u16 reserved5;
+#elif defined(__LITTLE_ENDIAN)
+	u16 reserved5;
+	u8 num_cqs;
+	u8 hdr_opcode;
+#endif
+	u32 negotiated_rx;
+#define USTORM_ISCSI_ST_CONTEXT_MAX_RECV_PDU_LENGTH (0xFFFFFF<<0)
+#define USTORM_ISCSI_ST_CONTEXT_MAX_RECV_PDU_LENGTH_SHIFT 0
+#define USTORM_ISCSI_ST_CONTEXT_MAX_OUTSTANDING_R2TS (0xFF<<24)
+#define USTORM_ISCSI_ST_CONTEXT_MAX_OUTSTANDING_R2TS_SHIFT 24
+	u32 negotiated_rx_and_flags;
+#define USTORM_ISCSI_ST_CONTEXT_MAX_BURST_LENGTH (0xFFFFFF<<0)
+#define USTORM_ISCSI_ST_CONTEXT_MAX_BURST_LENGTH_SHIFT 0
+#define USTORM_ISCSI_ST_CONTEXT_B_CQE_POSTED_OR_HEADER_CACHED (0x1<<24)
+#define USTORM_ISCSI_ST_CONTEXT_B_CQE_POSTED_OR_HEADER_CACHED_SHIFT 24
+#define USTORM_ISCSI_ST_CONTEXT_B_HDR_DIGEST_EN (0x1<<25)
+#define USTORM_ISCSI_ST_CONTEXT_B_HDR_DIGEST_EN_SHIFT 25
+#define USTORM_ISCSI_ST_CONTEXT_B_DATA_DIGEST_EN (0x1<<26)
+#define USTORM_ISCSI_ST_CONTEXT_B_DATA_DIGEST_EN_SHIFT 26
+#define USTORM_ISCSI_ST_CONTEXT_B_PROTOCOL_ERROR (0x1<<27)
+#define USTORM_ISCSI_ST_CONTEXT_B_PROTOCOL_ERROR_SHIFT 27
+#define USTORM_ISCSI_ST_CONTEXT_B_TASK_VALID (0x1<<28)
+#define USTORM_ISCSI_ST_CONTEXT_B_TASK_VALID_SHIFT 28
+#define USTORM_ISCSI_ST_CONTEXT_TASK_TYPE (0x3<<29)
+#define USTORM_ISCSI_ST_CONTEXT_TASK_TYPE_SHIFT 29
+#define USTORM_ISCSI_ST_CONTEXT_B_ALL_DATA_ACKED (0x1<<31)
+#define USTORM_ISCSI_ST_CONTEXT_B_ALL_DATA_ACKED_SHIFT 31
+};
+
+/*
+ * TCP context region, shared in TOE, RDMA and ISCSI
+ */
+struct tstorm_tcp_st_context_section {
+	u32 flags1;
+#define TSTORM_TCP_ST_CONTEXT_SECTION_RTT_SRTT_20B (0xFFFFFF<<0)
+#define TSTORM_TCP_ST_CONTEXT_SECTION_RTT_SRTT_20B_SHIFT 0
+#define TSTORM_TCP_ST_CONTEXT_SECTION_PAWS_INVALID (0x1<<24)
+#define TSTORM_TCP_ST_CONTEXT_SECTION_PAWS_INVALID_SHIFT 24
+#define TSTORM_TCP_ST_CONTEXT_SECTION_TIMESTAMP_EXISTS (0x1<<25)
+#define TSTORM_TCP_ST_CONTEXT_SECTION_TIMESTAMP_EXISTS_SHIFT 25
+#define TSTORM_TCP_ST_CONTEXT_SECTION_ISLE_EXISTS (0x1<<26)
+#define TSTORM_TCP_ST_CONTEXT_SECTION_ISLE_EXISTS_SHIFT 26
+#define TSTORM_TCP_ST_CONTEXT_SECTION_STOP_RX_PAYLOAD (0x1<<27)
+#define TSTORM_TCP_ST_CONTEXT_SECTION_STOP_RX_PAYLOAD_SHIFT 27
+#define TSTORM_TCP_ST_CONTEXT_SECTION_KA_ENABLED (0x1<<28)
+#define TSTORM_TCP_ST_CONTEXT_SECTION_KA_ENABLED_SHIFT 28
+#define TSTORM_TCP_ST_CONTEXT_SECTION_FIRST_RTO_ESTIMATE (0x1<<29)
+#define TSTORM_TCP_ST_CONTEXT_SECTION_FIRST_RTO_ESTIMATE_SHIFT 29
+#define TSTORM_TCP_ST_CONTEXT_SECTION_MAX_SEG_RETRANSMIT_EN (0x1<<30)
+#define TSTORM_TCP_ST_CONTEXT_SECTION_MAX_SEG_RETRANSMIT_EN_SHIFT 30
+#define TSTORM_TCP_ST_CONTEXT_SECTION_RESERVED3 (0x1<<31)
+#define TSTORM_TCP_ST_CONTEXT_SECTION_RESERVED3_SHIFT 31
+	u32 flags2;
+#define TSTORM_TCP_ST_CONTEXT_SECTION_RTT_VARIATION_20B (0xFFFFFF<<0)
+#define TSTORM_TCP_ST_CONTEXT_SECTION_RTT_VARIATION_20B_SHIFT 0
+#define TSTORM_TCP_ST_CONTEXT_SECTION_DA_EN (0x1<<24)
+#define TSTORM_TCP_ST_CONTEXT_SECTION_DA_EN_SHIFT 24
+#define TSTORM_TCP_ST_CONTEXT_SECTION_DA_COUNTER_EN (0x1<<25)
+#define TSTORM_TCP_ST_CONTEXT_SECTION_DA_COUNTER_EN_SHIFT 25
+#define __TSTORM_TCP_ST_CONTEXT_SECTION_KA_PROBE_SENT (0x1<<26)
+#define __TSTORM_TCP_ST_CONTEXT_SECTION_KA_PROBE_SENT_SHIFT 26
+#define __TSTORM_TCP_ST_CONTEXT_SECTION_PERSIST_PROBE_SENT (0x1<<27)
+#define __TSTORM_TCP_ST_CONTEXT_SECTION_PERSIST_PROBE_SENT_SHIFT 27
+#define TSTORM_TCP_ST_CONTEXT_SECTION_UPDATE_L2_STATSTICS (0x1<<28)
+#define TSTORM_TCP_ST_CONTEXT_SECTION_UPDATE_L2_STATSTICS_SHIFT 28
+#define TSTORM_TCP_ST_CONTEXT_SECTION_UPDATE_L4_STATSTICS (0x1<<29)
+#define TSTORM_TCP_ST_CONTEXT_SECTION_UPDATE_L4_STATSTICS_SHIFT 29
+#define __TSTORM_TCP_ST_CONTEXT_SECTION_SECOND_ISLE_DROPPED (0x1<<30)
+#define __TSTORM_TCP_ST_CONTEXT_SECTION_SECOND_ISLE_DROPPED_SHIFT 30
+#define __TSTORM_TCP_ST_CONTEXT_SECTION_DONT_SUPPORT_OOO (0x1<<31)
+#define __TSTORM_TCP_ST_CONTEXT_SECTION_DONT_SUPPORT_OOO_SHIFT 31
+#if defined(__BIG_ENDIAN)
+	u16 reserved_slowpath;
+	u8 tcp_sm_state_3b;
+	u8 rto_exp_3b;
+#elif defined(__LITTLE_ENDIAN)
+	u8 rto_exp_3b;
+	u8 tcp_sm_state_3b;
+	u16 reserved_slowpath;
+#endif
+	u32 rcv_nxt;
+	u32 timestamp_recent;
+	u32 timestamp_recent_time;
+	u32 cwnd;
+	u32 ss_thresh;
+	u32 cwnd_accum;
+	u32 prev_seg_seq;
+	u32 expected_rel_seq;
+	u32 recover;
+#if defined(__BIG_ENDIAN)
+	u8 retransmit_count;
+	u8 ka_max_probe_count;
+	u8 persist_probe_count;
+	u8 ka_probe_count;
+#elif defined(__LITTLE_ENDIAN)
+	u8 ka_probe_count;
+	u8 persist_probe_count;
+	u8 ka_max_probe_count;
+	u8 retransmit_count;
+#endif
+#if defined(__BIG_ENDIAN)
+	u8 statistics_counter_id;
+	u8 ooo_support_mode;
+	u8 snd_wnd_scale_4b;
+	u8 dup_ack_count;
+#elif defined(__LITTLE_ENDIAN)
+	u8 dup_ack_count;
+	u8 snd_wnd_scale_4b;
+	u8 ooo_support_mode;
+	u8 statistics_counter_id;
+#endif
+	u32 retransmit_start_time;
+	u32 ka_timeout;
+	u32 ka_interval;
+	u32 isle_start_seq;
+	u32 isle_end_seq;
+#if defined(__BIG_ENDIAN)
+	u16 mss;
+	u16 recent_seg_wnd;
+#elif defined(__LITTLE_ENDIAN)
+	u16 recent_seg_wnd;
+	u16 mss;
+#endif
+	u32 reserved4;
+	u32 max_rt_time;
+#if defined(__BIG_ENDIAN)
+	u16 lsb_mac_address;
+	u16 vlan_id;
+#elif defined(__LITTLE_ENDIAN)
+	u16 vlan_id;
+	u16 lsb_mac_address;
+#endif
+	u32 msb_mac_address;
+	u32 reserved2;
+};
+
+/*
+ * Termination variables
+ */
+struct iscsi_term_vars {
+	u8 BitMap;
+#define ISCSI_TERM_VARS_TCP_STATE (0xF<<0)
+#define ISCSI_TERM_VARS_TCP_STATE_SHIFT 0
+#define ISCSI_TERM_VARS_FIN_RECEIVED_SBIT (0x1<<4)
+#define ISCSI_TERM_VARS_FIN_RECEIVED_SBIT_SHIFT 4
+#define ISCSI_TERM_VARS_ACK_ON_FIN_RECEIVED_SBIT (0x1<<5)
+#define ISCSI_TERM_VARS_ACK_ON_FIN_RECEIVED_SBIT_SHIFT 5
+#define ISCSI_TERM_VARS_TERM_ON_CHIP (0x1<<6)
+#define ISCSI_TERM_VARS_TERM_ON_CHIP_SHIFT 6
+#define ISCSI_TERM_VARS_RSRV (0x1<<7)
+#define ISCSI_TERM_VARS_RSRV_SHIFT 7
+};
+
+/*
+ * iSCSI context region, used only in iSCSI
+ */
+struct tstorm_iscsi_st_context_section {
+#if defined(__BIG_ENDIAN)
+	u16 rem_tcp_data_len;
+	u16 brb_offset;
+#elif defined(__LITTLE_ENDIAN)
+	u16 brb_offset;
+	u16 rem_tcp_data_len;
+#endif
+	u32 b2nh;
+#if defined(__BIG_ENDIAN)
+	u16 rq_cons;
+	u8 flags;
+#define TSTORM_ISCSI_ST_CONTEXT_SECTION_B_HDR_DIGEST_EN (0x1<<0)
+#define TSTORM_ISCSI_ST_CONTEXT_SECTION_B_HDR_DIGEST_EN_SHIFT 0
+#define TSTORM_ISCSI_ST_CONTEXT_SECTION_B_DATA_DIGEST_EN (0x1<<1)
+#define TSTORM_ISCSI_ST_CONTEXT_SECTION_B_DATA_DIGEST_EN_SHIFT 1
+#define TSTORM_ISCSI_ST_CONTEXT_SECTION_B_PARTIAL_HEADER (0x1<<2)
+#define TSTORM_ISCSI_ST_CONTEXT_SECTION_B_PARTIAL_HEADER_SHIFT 2
+#define TSTORM_ISCSI_ST_CONTEXT_SECTION_B_FULL_FEATURE (0x1<<3)
+#define TSTORM_ISCSI_ST_CONTEXT_SECTION_B_FULL_FEATURE_SHIFT 3
+#define TSTORM_ISCSI_ST_CONTEXT_SECTION_B_DROP_ALL_PDUS (0x1<<4)
+#define TSTORM_ISCSI_ST_CONTEXT_SECTION_B_DROP_ALL_PDUS_SHIFT 4
+#define TSTORM_ISCSI_ST_CONTEXT_SECTION_FLAGS_RSRV (0x7<<5)
+#define TSTORM_ISCSI_ST_CONTEXT_SECTION_FLAGS_RSRV_SHIFT 5
+	u8 hdr_bytes_2_fetch;
+#elif defined(__LITTLE_ENDIAN)
+	u8 hdr_bytes_2_fetch;
+	u8 flags;
+#define TSTORM_ISCSI_ST_CONTEXT_SECTION_B_HDR_DIGEST_EN (0x1<<0)
+#define TSTORM_ISCSI_ST_CONTEXT_SECTION_B_HDR_DIGEST_EN_SHIFT 0
+#define TSTORM_ISCSI_ST_CONTEXT_SECTION_B_DATA_DIGEST_EN (0x1<<1)
+#define TSTORM_ISCSI_ST_CONTEXT_SECTION_B_DATA_DIGEST_EN_SHIFT 1
+#define TSTORM_ISCSI_ST_CONTEXT_SECTION_B_PARTIAL_HEADER (0x1<<2)
+#define TSTORM_ISCSI_ST_CONTEXT_SECTION_B_PARTIAL_HEADER_SHIFT 2
+#define TSTORM_ISCSI_ST_CONTEXT_SECTION_B_FULL_FEATURE (0x1<<3)
+#define TSTORM_ISCSI_ST_CONTEXT_SECTION_B_FULL_FEATURE_SHIFT 3
+#define TSTORM_ISCSI_ST_CONTEXT_SECTION_B_DROP_ALL_PDUS (0x1<<4)
+#define TSTORM_ISCSI_ST_CONTEXT_SECTION_B_DROP_ALL_PDUS_SHIFT 4
+#define TSTORM_ISCSI_ST_CONTEXT_SECTION_FLAGS_RSRV (0x7<<5)
+#define TSTORM_ISCSI_ST_CONTEXT_SECTION_FLAGS_RSRV_SHIFT 5
+	u16 rq_cons;
+#endif
+	struct regpair rq_db_phy_addr;
+#if defined(__BIG_ENDIAN)
+	struct iscsi_term_vars term_vars;
+	u8 scratchpad_idx;
+	u16 iscsi_conn_id;
+#elif defined(__LITTLE_ENDIAN)
+	u16 iscsi_conn_id;
+	u8 scratchpad_idx;
+	struct iscsi_term_vars term_vars;
+#endif
+	u32 reserved2;
+};
+
+/*
+ * The iSCSI non-aggregative context of Tstorm
+ */
+struct tstorm_iscsi_st_context {
+	struct tstorm_tcp_st_context_section tcp;
+	struct tstorm_iscsi_st_context_section iscsi;
+};
+
+/*
+ * The tcp aggregative context section of Xstorm
+ */
+struct xstorm_tcp_tcp_ag_context_section {
+#if defined(__BIG_ENDIAN)
+	u8 __tcp_agg_vars1;
+	u8 __da_cnt;
+	u16 mss;
+#elif defined(__LITTLE_ENDIAN)
+	u16 mss;
+	u8 __da_cnt;
+	u8 __tcp_agg_vars1;
+#endif
+	u32 snd_nxt;
+	u32 tx_wnd;
+	u32 snd_una;
+	u32 local_adv_wnd;
+#if defined(__BIG_ENDIAN)
+	u8 __agg_val8_th;
+	u8 __agg_val8;
+	u16 tcp_agg_vars2;
+#define XSTORM_TCP_TCP_AG_CONTEXT_SECTION_TX_FIN_FLAG (0x1<<0)
+#define XSTORM_TCP_TCP_AG_CONTEXT_SECTION_TX_FIN_FLAG_SHIFT 0
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_TX_UNBLOCKED (0x1<<1)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_TX_UNBLOCKED_SHIFT 1
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_DA_TIMER_ACTIVE (0x1<<2)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_DA_TIMER_ACTIVE_SHIFT 2
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX3_FLAG (0x1<<3)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX3_FLAG_SHIFT 3
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX4_FLAG (0x1<<4)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX4_FLAG_SHIFT 4
+#define XSTORM_TCP_TCP_AG_CONTEXT_SECTION_DA_ENABLE (0x1<<5)
+#define XSTORM_TCP_TCP_AG_CONTEXT_SECTION_DA_ENABLE_SHIFT 5
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_ACK_TO_FE_UPDATED_EN (0x1<<6)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_ACK_TO_FE_UPDATED_EN_SHIFT 6
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX3_CF_EN (0x1<<7)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX3_CF_EN_SHIFT 7
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_TX_FIN_FLAG_EN (0x1<<8)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_TX_FIN_FLAG_EN_SHIFT 8
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX1_FLAG (0x1<<9)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX1_FLAG_SHIFT 9
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_SET_RTO_CF (0x3<<10)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_SET_RTO_CF_SHIFT 10
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_TS_TO_ECHO_UPDATED_CF (0x3<<12)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_TS_TO_ECHO_UPDATED_CF_SHIFT 12
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX8_CF (0x3<<14)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX8_CF_SHIFT 14
+#elif defined(__LITTLE_ENDIAN)
+	u16 tcp_agg_vars2;
+#define XSTORM_TCP_TCP_AG_CONTEXT_SECTION_TX_FIN_FLAG (0x1<<0)
+#define XSTORM_TCP_TCP_AG_CONTEXT_SECTION_TX_FIN_FLAG_SHIFT 0
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_TX_UNBLOCKED (0x1<<1)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_TX_UNBLOCKED_SHIFT 1
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_DA_TIMER_ACTIVE (0x1<<2)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_DA_TIMER_ACTIVE_SHIFT 2
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX3_FLAG (0x1<<3)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX3_FLAG_SHIFT 3
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX4_FLAG (0x1<<4)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX4_FLAG_SHIFT 4
+#define XSTORM_TCP_TCP_AG_CONTEXT_SECTION_DA_ENABLE (0x1<<5)
+#define XSTORM_TCP_TCP_AG_CONTEXT_SECTION_DA_ENABLE_SHIFT 5
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_ACK_TO_FE_UPDATED_EN (0x1<<6)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_ACK_TO_FE_UPDATED_EN_SHIFT 6
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX3_CF_EN (0x1<<7)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX3_CF_EN_SHIFT 7
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_TX_FIN_FLAG_EN (0x1<<8)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_TX_FIN_FLAG_EN_SHIFT 8
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX1_FLAG (0x1<<9)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX1_FLAG_SHIFT 9
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_SET_RTO_CF (0x3<<10)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_SET_RTO_CF_SHIFT 10
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_TS_TO_ECHO_UPDATED_CF (0x3<<12)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_TS_TO_ECHO_UPDATED_CF_SHIFT 12
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX8_CF (0x3<<14)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX8_CF_SHIFT 14
+	u8 __agg_val8;
+	u8 __agg_val8_th;
+#endif
+	u32 ack_to_far_end;
+	u32 rto_timer;
+	u32 ka_timer;
+	u32 ts_to_echo;
+#if defined(__BIG_ENDIAN)
+	u16 __agg_val7_th;
+	u16 __agg_val7;
+#elif defined(__LITTLE_ENDIAN)
+	u16 __agg_val7;
+	u16 __agg_val7_th;
+#endif
+#if defined(__BIG_ENDIAN)
+	u8 __tcp_agg_vars5;
+	u8 __tcp_agg_vars4;
+	u8 __tcp_agg_vars3;
+	u8 __force_pure_ack_cnt;
+#elif defined(__LITTLE_ENDIAN)
+	u8 __force_pure_ack_cnt;
+	u8 __tcp_agg_vars3;
+	u8 __tcp_agg_vars4;
+	u8 __tcp_agg_vars5;
+#endif
+	u32 tcp_agg_vars6;
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_TS_TO_ECHO_CF_EN (0x1<<0)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_TS_TO_ECHO_CF_EN_SHIFT 0
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX8_CF_EN (0x1<<1)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX8_CF_EN_SHIFT 1
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX9_CF_EN (0x1<<2)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX9_CF_EN_SHIFT 2
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX10_CF_EN (0x1<<3)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX10_CF_EN_SHIFT 3
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX6_FLAG (0x1<<4)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX6_FLAG_SHIFT 4
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX7_FLAG (0x1<<5)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX7_FLAG_SHIFT 5
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX5_CF (0x3<<6)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX5_CF_SHIFT 6
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX9_CF (0x3<<8)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX9_CF_SHIFT 8
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX10_CF (0x3<<10)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX10_CF_SHIFT 10
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX11_CF (0x3<<12)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX11_CF_SHIFT 12
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX12_CF (0x3<<14)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX12_CF_SHIFT 14
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX13_CF (0x3<<16)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX13_CF_SHIFT 16
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX14_CF (0x3<<18)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX14_CF_SHIFT 18
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX15_CF (0x3<<20)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX15_CF_SHIFT 20
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX16_CF (0x3<<22)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX16_CF_SHIFT 22
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX17_CF (0x3<<24)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX17_CF_SHIFT 24
+#define XSTORM_TCP_TCP_AG_CONTEXT_SECTION_ECE_FLAG (0x1<<26)
+#define XSTORM_TCP_TCP_AG_CONTEXT_SECTION_ECE_FLAG_SHIFT 26
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_RESERVED71 (0x1<<27)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_RESERVED71_SHIFT 27
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_FORCE_PURE_ACK_CNT_DIRTY (0x1<<28)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_FORCE_PURE_ACK_CNT_DIRTY_SHIFT 28
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_TCP_AUTO_STOP_FLAG (0x1<<29)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_TCP_AUTO_STOP_FLAG_SHIFT 29
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_DO_TS_UPDATE_FLAG (0x1<<30)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_DO_TS_UPDATE_FLAG_SHIFT 30
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_CANCEL_RETRANSMIT_FLAG (0x1<<31)
+#define __XSTORM_TCP_TCP_AG_CONTEXT_SECTION_CANCEL_RETRANSMIT_FLAG_SHIFT 31
+#if defined(__BIG_ENDIAN)
+	u16 __agg_misc6;
+	u16 __tcp_agg_vars7;
+#elif defined(__LITTLE_ENDIAN)
+	u16 __tcp_agg_vars7;
+	u16 __agg_misc6;
+#endif
+	u32 __agg_val10;
+	u32 __agg_val10_th;
+#if defined(__BIG_ENDIAN)
+	u16 __reserved3;
+	u8 __reserved2;
+	u8 __da_only_cnt;
+#elif defined(__LITTLE_ENDIAN)
+	u8 __da_only_cnt;
+	u8 __reserved2;
+	u16 __reserved3;
+#endif
+};
+
+/*
+ * The iscsi aggregative context of Xstorm
+ */
+struct xstorm_iscsi_ag_context {
+#if defined(__BIG_ENDIAN)
+	u16 agg_val1;
+	u8 agg_vars1;
+#define __XSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM0 (0x1<<0)
+#define __XSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM0_SHIFT 0
+#define XSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM1 (0x1<<1)
+#define XSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM1_SHIFT 1
+#define XSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM2 (0x1<<2)
+#define XSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM2_SHIFT 2
+#define XSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM3 (0x1<<3)
+#define XSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM3_SHIFT 3
+#define __XSTORM_ISCSI_AG_CONTEXT_MORE_TO_SEND_EN (0x1<<4)
+#define __XSTORM_ISCSI_AG_CONTEXT_MORE_TO_SEND_EN_SHIFT 4
+#define XSTORM_ISCSI_AG_CONTEXT_NAGLE_EN (0x1<<5)
+#define XSTORM_ISCSI_AG_CONTEXT_NAGLE_EN_SHIFT 5
+#define __XSTORM_ISCSI_AG_CONTEXT_DQ_SPARE_FLAG (0x1<<6)
+#define __XSTORM_ISCSI_AG_CONTEXT_DQ_SPARE_FLAG_SHIFT 6
+#define __XSTORM_ISCSI_AG_CONTEXT_UNA_GT_NXT_EN (0x1<<7)
+#define __XSTORM_ISCSI_AG_CONTEXT_UNA_GT_NXT_EN_SHIFT 7
+	u8 state;
+#elif defined(__LITTLE_ENDIAN)
+	u8 state;
+	u8 agg_vars1;
+#define __XSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM0 (0x1<<0)
+#define __XSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM0_SHIFT 0
+#define XSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM1 (0x1<<1)
+#define XSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM1_SHIFT 1
+#define XSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM2 (0x1<<2)
+#define XSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM2_SHIFT 2
+#define XSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM3 (0x1<<3)
+#define XSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM3_SHIFT 3
+#define __XSTORM_ISCSI_AG_CONTEXT_MORE_TO_SEND_EN (0x1<<4)
+#define __XSTORM_ISCSI_AG_CONTEXT_MORE_TO_SEND_EN_SHIFT 4
+#define XSTORM_ISCSI_AG_CONTEXT_NAGLE_EN (0x1<<5)
+#define XSTORM_ISCSI_AG_CONTEXT_NAGLE_EN_SHIFT 5
+#define __XSTORM_ISCSI_AG_CONTEXT_DQ_SPARE_FLAG (0x1<<6)
+#define __XSTORM_ISCSI_AG_CONTEXT_DQ_SPARE_FLAG_SHIFT 6
+#define __XSTORM_ISCSI_AG_CONTEXT_UNA_GT_NXT_EN (0x1<<7)
+#define __XSTORM_ISCSI_AG_CONTEXT_UNA_GT_NXT_EN_SHIFT 7
+	u16 agg_val1;
+#endif
+#if defined(__BIG_ENDIAN)
+	u8 cdu_reserved;
+	u8 agg_vars4;
+#define XSTORM_ISCSI_AG_CONTEXT_R2TQ_PROD_CF (0x3<<0)
+#define XSTORM_ISCSI_AG_CONTEXT_R2TQ_PROD_CF_SHIFT 0
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX21_CF (0x3<<2)
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX21_CF_SHIFT 2
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX18_CF_EN (0x1<<4)
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX18_CF_EN_SHIFT 4
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX19_CF_EN (0x1<<5)
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX19_CF_EN_SHIFT 5
+#define __XSTORM_ISCSI_AG_CONTEXT_R2TQ_PROD_CF_EN (0x1<<6)
+#define __XSTORM_ISCSI_AG_CONTEXT_R2TQ_PROD_CF_EN_SHIFT 6
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX21_CF_EN (0x1<<7)
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX21_CF_EN_SHIFT 7
+	u8 agg_vars3;
+#define XSTORM_ISCSI_AG_CONTEXT_PHYSICAL_QUEUE_NUM2 (0x3F<<0)
+#define XSTORM_ISCSI_AG_CONTEXT_PHYSICAL_QUEUE_NUM2_SHIFT 0
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX19_CF (0x3<<6)
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX19_CF_SHIFT 6
+	u8 agg_vars2;
+#define __XSTORM_ISCSI_AG_CONTEXT_DQ_CF (0x3<<0)
+#define __XSTORM_ISCSI_AG_CONTEXT_DQ_CF_SHIFT 0
+#define __XSTORM_ISCSI_AG_CONTEXT_DQ_SPARE_FLAG_EN (0x1<<2)
+#define __XSTORM_ISCSI_AG_CONTEXT_DQ_SPARE_FLAG_EN_SHIFT 2
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX8_FLAG (0x1<<3)
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX8_FLAG_SHIFT 3
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX9_FLAG (0x1<<4)
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX9_FLAG_SHIFT 4
+#define XSTORM_ISCSI_AG_CONTEXT_DECISION_RULE1 (0x3<<5)
+#define XSTORM_ISCSI_AG_CONTEXT_DECISION_RULE1_SHIFT 5
+#define __XSTORM_ISCSI_AG_CONTEXT_DQ_CF_EN (0x1<<7)
+#define __XSTORM_ISCSI_AG_CONTEXT_DQ_CF_EN_SHIFT 7
+#elif defined(__LITTLE_ENDIAN)
+	u8 agg_vars2;
+#define __XSTORM_ISCSI_AG_CONTEXT_DQ_CF (0x3<<0)
+#define __XSTORM_ISCSI_AG_CONTEXT_DQ_CF_SHIFT 0
+#define __XSTORM_ISCSI_AG_CONTEXT_DQ_SPARE_FLAG_EN (0x1<<2)
+#define __XSTORM_ISCSI_AG_CONTEXT_DQ_SPARE_FLAG_EN_SHIFT 2
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX8_FLAG (0x1<<3)
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX8_FLAG_SHIFT 3
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX9_FLAG (0x1<<4)
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX9_FLAG_SHIFT 4
+#define XSTORM_ISCSI_AG_CONTEXT_DECISION_RULE1 (0x3<<5)
+#define XSTORM_ISCSI_AG_CONTEXT_DECISION_RULE1_SHIFT 5
+#define __XSTORM_ISCSI_AG_CONTEXT_DQ_CF_EN (0x1<<7)
+#define __XSTORM_ISCSI_AG_CONTEXT_DQ_CF_EN_SHIFT 7
+	u8 agg_vars3;
+#define XSTORM_ISCSI_AG_CONTEXT_PHYSICAL_QUEUE_NUM2 (0x3F<<0)
+#define XSTORM_ISCSI_AG_CONTEXT_PHYSICAL_QUEUE_NUM2_SHIFT 0
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX19_CF (0x3<<6)
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX19_CF_SHIFT 6
+	u8 agg_vars4;
+#define XSTORM_ISCSI_AG_CONTEXT_R2TQ_PROD_CF (0x3<<0)
+#define XSTORM_ISCSI_AG_CONTEXT_R2TQ_PROD_CF_SHIFT 0
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX21_CF (0x3<<2)
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX21_CF_SHIFT 2
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX18_CF_EN (0x1<<4)
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX18_CF_EN_SHIFT 4
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX19_CF_EN (0x1<<5)
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX19_CF_EN_SHIFT 5
+#define __XSTORM_ISCSI_AG_CONTEXT_R2TQ_PROD_CF_EN (0x1<<6)
+#define __XSTORM_ISCSI_AG_CONTEXT_R2TQ_PROD_CF_EN_SHIFT 6
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX21_CF_EN (0x1<<7)
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX21_CF_EN_SHIFT 7
+	u8 cdu_reserved;
+#endif
+	u32 more_to_send;
+#if defined(__BIG_ENDIAN)
+	u16 agg_vars5;
+#define XSTORM_ISCSI_AG_CONTEXT_DECISION_RULE5 (0x3<<0)
+#define XSTORM_ISCSI_AG_CONTEXT_DECISION_RULE5_SHIFT 0
+#define XSTORM_ISCSI_AG_CONTEXT_PHYSICAL_QUEUE_NUM0 (0x3F<<2)
+#define XSTORM_ISCSI_AG_CONTEXT_PHYSICAL_QUEUE_NUM0_SHIFT 2
+#define XSTORM_ISCSI_AG_CONTEXT_PHYSICAL_QUEUE_NUM1 (0x3F<<8)
+#define XSTORM_ISCSI_AG_CONTEXT_PHYSICAL_QUEUE_NUM1_SHIFT 8
+#define XSTORM_ISCSI_AG_CONTEXT_DECISION_RULE2 (0x3<<14)
+#define XSTORM_ISCSI_AG_CONTEXT_DECISION_RULE2_SHIFT 14
+	u16 sq_cons;
+#elif defined(__LITTLE_ENDIAN)
+	u16 sq_cons;
+	u16 agg_vars5;
+#define XSTORM_ISCSI_AG_CONTEXT_DECISION_RULE5 (0x3<<0)
+#define XSTORM_ISCSI_AG_CONTEXT_DECISION_RULE5_SHIFT 0
+#define XSTORM_ISCSI_AG_CONTEXT_PHYSICAL_QUEUE_NUM0 (0x3F<<2)
+#define XSTORM_ISCSI_AG_CONTEXT_PHYSICAL_QUEUE_NUM0_SHIFT 2
+#define XSTORM_ISCSI_AG_CONTEXT_PHYSICAL_QUEUE_NUM1 (0x3F<<8)
+#define XSTORM_ISCSI_AG_CONTEXT_PHYSICAL_QUEUE_NUM1_SHIFT 8
+#define XSTORM_ISCSI_AG_CONTEXT_DECISION_RULE2 (0x3<<14)
+#define XSTORM_ISCSI_AG_CONTEXT_DECISION_RULE2_SHIFT 14
+#endif
+	struct xstorm_tcp_tcp_ag_context_section tcp;
+#if defined(__BIG_ENDIAN)
+	u16 agg_vars7;
+#define __XSTORM_ISCSI_AG_CONTEXT_AGG_VAL11_DECISION_RULE (0x7<<0)
+#define __XSTORM_ISCSI_AG_CONTEXT_AGG_VAL11_DECISION_RULE_SHIFT 0
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX13_FLAG (0x1<<3)
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX13_FLAG_SHIFT 3
+#define XSTORM_ISCSI_AG_CONTEXT_AUX18_CF (0x3<<4)
+#define XSTORM_ISCSI_AG_CONTEXT_AUX18_CF_SHIFT 4
+#define XSTORM_ISCSI_AG_CONTEXT_DECISION_RULE3 (0x3<<6)
+#define XSTORM_ISCSI_AG_CONTEXT_DECISION_RULE3_SHIFT 6
+#define XSTORM_ISCSI_AG_CONTEXT_AUX1_CF (0x3<<8)
+#define XSTORM_ISCSI_AG_CONTEXT_AUX1_CF_SHIFT 8
+#define __XSTORM_ISCSI_AG_CONTEXT_COMPLETION_SEQ_DECISION_MASK (0x1<<10)
+#define __XSTORM_ISCSI_AG_CONTEXT_COMPLETION_SEQ_DECISION_MASK_SHIFT 10
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX1_CF_EN (0x1<<11)
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX1_CF_EN_SHIFT 11
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX10_FLAG (0x1<<12)
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX10_FLAG_SHIFT 12
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX11_FLAG (0x1<<13)
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX11_FLAG_SHIFT 13
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX12_FLAG (0x1<<14)
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX12_FLAG_SHIFT 14
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX2_FLAG (0x1<<15)
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX2_FLAG_SHIFT 15
+	u8 agg_val3_th;
+	u8 agg_vars6;
+#define XSTORM_ISCSI_AG_CONTEXT_DECISION_RULE6 (0x7<<0)
+#define XSTORM_ISCSI_AG_CONTEXT_DECISION_RULE6_SHIFT 0
+#define XSTORM_ISCSI_AG_CONTEXT_DECISION_RULE7 (0x7<<3)
+#define XSTORM_ISCSI_AG_CONTEXT_DECISION_RULE7_SHIFT 3
+#define XSTORM_ISCSI_AG_CONTEXT_DECISION_RULE4 (0x3<<6)
+#define XSTORM_ISCSI_AG_CONTEXT_DECISION_RULE4_SHIFT 6
+#elif defined(__LITTLE_ENDIAN)
+	u8 agg_vars6;
+#define XSTORM_ISCSI_AG_CONTEXT_DECISION_RULE6 (0x7<<0)
+#define XSTORM_ISCSI_AG_CONTEXT_DECISION_RULE6_SHIFT 0
+#define XSTORM_ISCSI_AG_CONTEXT_DECISION_RULE7 (0x7<<3)
+#define XSTORM_ISCSI_AG_CONTEXT_DECISION_RULE7_SHIFT 3
+#define XSTORM_ISCSI_AG_CONTEXT_DECISION_RULE4 (0x3<<6)
+#define XSTORM_ISCSI_AG_CONTEXT_DECISION_RULE4_SHIFT 6
+	u8 agg_val3_th;
+	u16 agg_vars7;
+#define __XSTORM_ISCSI_AG_CONTEXT_AGG_VAL11_DECISION_RULE (0x7<<0)
+#define __XSTORM_ISCSI_AG_CONTEXT_AGG_VAL11_DECISION_RULE_SHIFT 0
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX13_FLAG (0x1<<3)
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX13_FLAG_SHIFT 3
+#define XSTORM_ISCSI_AG_CONTEXT_AUX18_CF (0x3<<4)
+#define XSTORM_ISCSI_AG_CONTEXT_AUX18_CF_SHIFT 4
+#define XSTORM_ISCSI_AG_CONTEXT_DECISION_RULE3 (0x3<<6)
+#define XSTORM_ISCSI_AG_CONTEXT_DECISION_RULE3_SHIFT 6
+#define XSTORM_ISCSI_AG_CONTEXT_AUX1_CF (0x3<<8)
+#define XSTORM_ISCSI_AG_CONTEXT_AUX1_CF_SHIFT 8
+#define __XSTORM_ISCSI_AG_CONTEXT_COMPLETION_SEQ_DECISION_MASK (0x1<<10)
+#define __XSTORM_ISCSI_AG_CONTEXT_COMPLETION_SEQ_DECISION_MASK_SHIFT 10
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX1_CF_EN (0x1<<11)
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX1_CF_EN_SHIFT 11
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX10_FLAG (0x1<<12)
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX10_FLAG_SHIFT 12
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX11_FLAG (0x1<<13)
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX11_FLAG_SHIFT 13
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX12_FLAG (0x1<<14)
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX12_FLAG_SHIFT 14
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX2_FLAG (0x1<<15)
+#define __XSTORM_ISCSI_AG_CONTEXT_AUX2_FLAG_SHIFT 15
+#endif
+#if defined(__BIG_ENDIAN)
+	u16 __agg_val11_th;
+	u16 __agg_val11;
+#elif defined(__LITTLE_ENDIAN)
+	u16 __agg_val11;
+	u16 __agg_val11_th;
+#endif
+#if defined(__BIG_ENDIAN)
+	u8 __reserved1;
+	u8 __agg_val6_th;
+	u16 __agg_val9;
+#elif defined(__LITTLE_ENDIAN)
+	u16 __agg_val9;
+	u8 __agg_val6_th;
+	u8 __reserved1;
+#endif
+#if defined(__BIG_ENDIAN)
+	u16 hq_prod;
+	u16 hq_cons;
+#elif defined(__LITTLE_ENDIAN)
+	u16 hq_cons;
+	u16 hq_prod;
+#endif
+	u32 agg_vars8;
+#define XSTORM_ISCSI_AG_CONTEXT_AGG_MISC2 (0xFFFFFF<<0)
+#define XSTORM_ISCSI_AG_CONTEXT_AGG_MISC2_SHIFT 0
+#define XSTORM_ISCSI_AG_CONTEXT_AGG_MISC3 (0xFF<<24)
+#define XSTORM_ISCSI_AG_CONTEXT_AGG_MISC3_SHIFT 24
+#if defined(__BIG_ENDIAN)
+	u16 r2tq_prod;
+	u16 sq_prod;
+#elif defined(__LITTLE_ENDIAN)
+	u16 sq_prod;
+	u16 r2tq_prod;
+#endif
+#if defined(__BIG_ENDIAN)
+	u8 agg_val3;
+	u8 agg_val6;
+	u8 agg_val5_th;
+	u8 agg_val5;
+#elif defined(__LITTLE_ENDIAN)
+	u8 agg_val5;
+	u8 agg_val5_th;
+	u8 agg_val6;
+	u8 agg_val3;
+#endif
+#if defined(__BIG_ENDIAN)
+	u16 __agg_misc1;
+	u16 agg_limit1;
+#elif defined(__LITTLE_ENDIAN)
+	u16 agg_limit1;
+	u16 __agg_misc1;
+#endif
+	u32 hq_cons_tcp_seq;
+	u32 exp_stat_sn;
+	u32 agg_misc5;
+};
+
+/*
+ * The tcp aggregative context section of Tstorm
+ */
+struct tstorm_tcp_tcp_ag_context_section {
+	u32 __agg_val1;
+#if defined(__BIG_ENDIAN)
+	u8 __tcp_agg_vars2;
+	u8 __agg_val3;
+	u16 __agg_val2;
+#elif defined(__LITTLE_ENDIAN)
+	u16 __agg_val2;
+	u8 __agg_val3;
+	u8 __tcp_agg_vars2;
+#endif
+#if defined(__BIG_ENDIAN)
+	u16 __agg_val5;
+	u8 __agg_val6;
+	u8 __tcp_agg_vars3;
+#elif defined(__LITTLE_ENDIAN)
+	u8 __tcp_agg_vars3;
+	u8 __agg_val6;
+	u16 __agg_val5;
+#endif
+	u32 snd_nxt;
+	u32 rtt_seq;
+	u32 rtt_time;
+	u32 __reserved66;
+	u32 wnd_right_edge;
+	u32 tcp_agg_vars1;
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_FIN_SENT_FLAG (0x1<<0)
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_FIN_SENT_FLAG_SHIFT 0
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_LAST_PACKET_FIN_FLAG (0x1<<1)
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_LAST_PACKET_FIN_FLAG_SHIFT 1
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_WND_UPD_CF (0x3<<2)
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_WND_UPD_CF_SHIFT 2
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_TIMEOUT_CF (0x3<<4)
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_TIMEOUT_CF_SHIFT 4
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_WND_UPD_CF_EN (0x1<<6)
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_WND_UPD_CF_EN_SHIFT 6
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_TIMEOUT_CF_EN (0x1<<7)
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_TIMEOUT_CF_EN_SHIFT 7
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_RETRANSMIT_SEQ_EN (0x1<<8)
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_RETRANSMIT_SEQ_EN_SHIFT 8
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_SND_NXT_EN (0x1<<9)
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_SND_NXT_EN_SHIFT 9
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX1_FLAG (0x1<<10)
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX1_FLAG_SHIFT 10
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX2_FLAG (0x1<<11)
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX2_FLAG_SHIFT 11
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX1_CF_EN (0x1<<12)
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX1_CF_EN_SHIFT 12
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX2_CF_EN (0x1<<13)
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX2_CF_EN_SHIFT 13
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX1_CF (0x3<<14)
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX1_CF_SHIFT 14
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX2_CF (0x3<<16)
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX2_CF_SHIFT 16
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_TX_BLOCKED (0x1<<18)
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_TX_BLOCKED_SHIFT 18
+#define __TSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX10_CF_EN (0x1<<19)
+#define __TSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX10_CF_EN_SHIFT 19
+#define __TSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX11_CF_EN (0x1<<20)
+#define __TSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX11_CF_EN_SHIFT 20
+#define __TSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX12_CF_EN (0x1<<21)
+#define __TSTORM_TCP_TCP_AG_CONTEXT_SECTION_AUX12_CF_EN_SHIFT 21
+#define __TSTORM_TCP_TCP_AG_CONTEXT_SECTION_RESERVED1 (0x3<<22)
+#define __TSTORM_TCP_TCP_AG_CONTEXT_SECTION_RESERVED1_SHIFT 22
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_RETRANSMIT_PEND_SEQ (0xF<<24)
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_RETRANSMIT_PEND_SEQ_SHIFT 24
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_RETRANSMIT_DONE_SEQ (0xF<<28)
+#define TSTORM_TCP_TCP_AG_CONTEXT_SECTION_RETRANSMIT_DONE_SEQ_SHIFT 28
+	u32 snd_max;
+	u32 snd_una;
+	u32 __reserved2;
+};
+
+/*
+ * The iscsi aggregative context of Tstorm
+ */
+struct tstorm_iscsi_ag_context {
+#if defined(__BIG_ENDIAN)
+	u16 ulp_credit;
+	u8 agg_vars1;
+#define TSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM0 (0x1<<0)
+#define TSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM0_SHIFT 0
+#define TSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM1 (0x1<<1)
+#define TSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM1_SHIFT 1
+#define TSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM2 (0x1<<2)
+#define TSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM2_SHIFT 2
+#define TSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM3 (0x1<<3)
+#define TSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM3_SHIFT 3
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX3_CF (0x3<<4)
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX3_CF_SHIFT 4
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX3_FLAG (0x1<<6)
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX3_FLAG_SHIFT 6
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX4_FLAG (0x1<<7)
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX4_FLAG_SHIFT 7
+	u8 state;
+#elif defined(__LITTLE_ENDIAN)
+	u8 state;
+	u8 agg_vars1;
+#define TSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM0 (0x1<<0)
+#define TSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM0_SHIFT 0
+#define TSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM1 (0x1<<1)
+#define TSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM1_SHIFT 1
+#define TSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM2 (0x1<<2)
+#define TSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM2_SHIFT 2
+#define TSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM3 (0x1<<3)
+#define TSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM3_SHIFT 3
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX3_CF (0x3<<4)
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX3_CF_SHIFT 4
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX3_FLAG (0x1<<6)
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX3_FLAG_SHIFT 6
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX4_FLAG (0x1<<7)
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX4_FLAG_SHIFT 7
+	u16 ulp_credit;
+#endif
+#if defined(__BIG_ENDIAN)
+	u16 __agg_val4;
+	u16 agg_vars2;
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX5_FLAG (0x1<<0)
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX5_FLAG_SHIFT 0
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX6_FLAG (0x1<<1)
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX6_FLAG_SHIFT 1
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX4_CF (0x3<<2)
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX4_CF_SHIFT 2
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX5_CF (0x3<<4)
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX5_CF_SHIFT 4
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX6_CF (0x3<<6)
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX6_CF_SHIFT 6
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX7_CF (0x3<<8)
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX7_CF_SHIFT 8
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX7_FLAG (0x1<<10)
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX7_FLAG_SHIFT 10
+#define TSTORM_ISCSI_AG_CONTEXT_AUX3_CF_EN (0x1<<11)
+#define TSTORM_ISCSI_AG_CONTEXT_AUX3_CF_EN_SHIFT 11
+#define TSTORM_ISCSI_AG_CONTEXT_AUX4_CF_EN (0x1<<12)
+#define TSTORM_ISCSI_AG_CONTEXT_AUX4_CF_EN_SHIFT 12
+#define TSTORM_ISCSI_AG_CONTEXT_AUX5_CF_EN (0x1<<13)
+#define TSTORM_ISCSI_AG_CONTEXT_AUX5_CF_EN_SHIFT 13
+#define TSTORM_ISCSI_AG_CONTEXT_AUX6_CF_EN (0x1<<14)
+#define TSTORM_ISCSI_AG_CONTEXT_AUX6_CF_EN_SHIFT 14
+#define TSTORM_ISCSI_AG_CONTEXT_AUX7_CF_EN (0x1<<15)
+#define TSTORM_ISCSI_AG_CONTEXT_AUX7_CF_EN_SHIFT 15
+#elif defined(__LITTLE_ENDIAN)
+	u16 agg_vars2;
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX5_FLAG (0x1<<0)
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX5_FLAG_SHIFT 0
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX6_FLAG (0x1<<1)
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX6_FLAG_SHIFT 1
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX4_CF (0x3<<2)
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX4_CF_SHIFT 2
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX5_CF (0x3<<4)
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX5_CF_SHIFT 4
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX6_CF (0x3<<6)
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX6_CF_SHIFT 6
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX7_CF (0x3<<8)
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX7_CF_SHIFT 8
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX7_FLAG (0x1<<10)
+#define __TSTORM_ISCSI_AG_CONTEXT_AUX7_FLAG_SHIFT 10
+#define TSTORM_ISCSI_AG_CONTEXT_AUX3_CF_EN (0x1<<11)
+#define TSTORM_ISCSI_AG_CONTEXT_AUX3_CF_EN_SHIFT 11
+#define TSTORM_ISCSI_AG_CONTEXT_AUX4_CF_EN (0x1<<12)
+#define TSTORM_ISCSI_AG_CONTEXT_AUX4_CF_EN_SHIFT 12
+#define TSTORM_ISCSI_AG_CONTEXT_AUX5_CF_EN (0x1<<13)
+#define TSTORM_ISCSI_AG_CONTEXT_AUX5_CF_EN_SHIFT 13
+#define TSTORM_ISCSI_AG_CONTEXT_AUX6_CF_EN (0x1<<14)
+#define TSTORM_ISCSI_AG_CONTEXT_AUX6_CF_EN_SHIFT 14
+#define TSTORM_ISCSI_AG_CONTEXT_AUX7_CF_EN (0x1<<15)
+#define TSTORM_ISCSI_AG_CONTEXT_AUX7_CF_EN_SHIFT 15
+	u16 __agg_val4;
+#endif
+	struct tstorm_tcp_tcp_ag_context_section tcp;
+};
+
+/*
+ * The iscsi aggregative context of Cstorm
+ */
+struct cstorm_iscsi_ag_context {
+	u32 agg_vars1;
+#define CSTORM_ISCSI_AG_CONTEXT_STATE (0xFF<<0)
+#define CSTORM_ISCSI_AG_CONTEXT_STATE_SHIFT 0
+#define __CSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM0 (0x1<<8)
+#define __CSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM0_SHIFT 8
+#define __CSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM1 (0x1<<9)
+#define __CSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM1_SHIFT 9
+#define __CSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM2 (0x1<<10)
+#define __CSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM2_SHIFT 10
+#define __CSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM3 (0x1<<11)
+#define __CSTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM3_SHIFT 11
+#define __CSTORM_ISCSI_AG_CONTEXT_RESERVED_ULP_RX_SE_CF_EN (0x1<<12)
+#define __CSTORM_ISCSI_AG_CONTEXT_RESERVED_ULP_RX_SE_CF_EN_SHIFT 12
+#define __CSTORM_ISCSI_AG_CONTEXT_RESERVED_ULP_RX_INV_CF_EN (0x1<<13)
+#define __CSTORM_ISCSI_AG_CONTEXT_RESERVED_ULP_RX_INV_CF_EN_SHIFT 13
+#define __CSTORM_ISCSI_AG_CONTEXT_PENDING_COMPLETION3_CF (0x3<<14)
+#define __CSTORM_ISCSI_AG_CONTEXT_PENDING_COMPLETION3_CF_SHIFT 14
+#define __CSTORM_ISCSI_AG_CONTEXT_RESERVED66 (0x3<<16)
+#define __CSTORM_ISCSI_AG_CONTEXT_RESERVED66_SHIFT 16
+#define __CSTORM_ISCSI_AG_CONTEXT_FIN_RECEIVED_CF_EN (0x1<<18)
+#define __CSTORM_ISCSI_AG_CONTEXT_FIN_RECEIVED_CF_EN_SHIFT 18
+#define __CSTORM_ISCSI_AG_CONTEXT_PENDING_COMPLETION0_CF_EN (0x1<<19)
+#define __CSTORM_ISCSI_AG_CONTEXT_PENDING_COMPLETION0_CF_EN_SHIFT 19
+#define __CSTORM_ISCSI_AG_CONTEXT_PENDING_COMPLETION1_CF_EN (0x1<<20)
+#define __CSTORM_ISCSI_AG_CONTEXT_PENDING_COMPLETION1_CF_EN_SHIFT 20
+#define __CSTORM_ISCSI_AG_CONTEXT_PENDING_COMPLETION2_CF_EN (0x1<<21)
+#define __CSTORM_ISCSI_AG_CONTEXT_PENDING_COMPLETION2_CF_EN_SHIFT 21
+#define __CSTORM_ISCSI_AG_CONTEXT_PENDING_COMPLETION3_CF_EN (0x1<<22)
+#define __CSTORM_ISCSI_AG_CONTEXT_PENDING_COMPLETION3_CF_EN_SHIFT 22
+#define __CSTORM_ISCSI_AG_CONTEXT_REL_SEQ_RULE (0x7<<23)
+#define __CSTORM_ISCSI_AG_CONTEXT_REL_SEQ_RULE_SHIFT 23
+#define CSTORM_ISCSI_AG_CONTEXT_HQ_PROD_RULE (0x3<<26)
+#define CSTORM_ISCSI_AG_CONTEXT_HQ_PROD_RULE_SHIFT 26
+#define __CSTORM_ISCSI_AG_CONTEXT_RESERVED52 (0x3<<28)
+#define __CSTORM_ISCSI_AG_CONTEXT_RESERVED52_SHIFT 28
+#define __CSTORM_ISCSI_AG_CONTEXT_RESERVED53 (0x3<<30)
+#define __CSTORM_ISCSI_AG_CONTEXT_RESERVED53_SHIFT 30
+#if defined(__BIG_ENDIAN)
+	u8 __aux1_th;
+	u8 __aux1_val;
+	u16 __agg_vars2;
+#elif defined(__LITTLE_ENDIAN)
+	u16 __agg_vars2;
+	u8 __aux1_val;
+	u8 __aux1_th;
+#endif
+	u32 rel_seq;
+	u32 rel_seq_th;
+#if defined(__BIG_ENDIAN)
+	u16 hq_cons;
+	u16 hq_prod;
+#elif defined(__LITTLE_ENDIAN)
+	u16 hq_prod;
+	u16 hq_cons;
+#endif
+#if defined(__BIG_ENDIAN)
+	u8 __reserved62;
+	u8 __reserved61;
+	u8 __reserved60;
+	u8 __reserved59;
+#elif defined(__LITTLE_ENDIAN)
+	u8 __reserved59;
+	u8 __reserved60;
+	u8 __reserved61;
+	u8 __reserved62;
+#endif
+#if defined(__BIG_ENDIAN)
+	u16 __reserved64;
+	u16 __cq_u_prod0;
+#elif defined(__LITTLE_ENDIAN)
+	u16 __cq_u_prod0;
+	u16 __reserved64;
+#endif
+	u32 __cq_u_prod1;
+#if defined(__BIG_ENDIAN)
+	u16 __agg_vars3;
+	u16 __cq_u_prod2;
+#elif defined(__LITTLE_ENDIAN)
+	u16 __cq_u_prod2;
+	u16 __agg_vars3;
+#endif
+#if defined(__BIG_ENDIAN)
+	u16 __aux2_th;
+	u16 __cq_u_prod3;
+#elif defined(__LITTLE_ENDIAN)
+	u16 __cq_u_prod3;
+	u16 __aux2_th;
+#endif
+};
+
+/*
+ * The iscsi aggregative context of Ustorm
+ */
+struct ustorm_iscsi_ag_context {
+#if defined(__BIG_ENDIAN)
+	u8 __aux_counter_flags;
+	u8 agg_vars2;
+#define USTORM_ISCSI_AG_CONTEXT_TX_CF (0x3<<0)
+#define USTORM_ISCSI_AG_CONTEXT_TX_CF_SHIFT 0
+#define __USTORM_ISCSI_AG_CONTEXT_TIMER_CF (0x3<<2)
+#define __USTORM_ISCSI_AG_CONTEXT_TIMER_CF_SHIFT 2
+#define USTORM_ISCSI_AG_CONTEXT_AGG_MISC4_RULE (0x7<<4)
+#define USTORM_ISCSI_AG_CONTEXT_AGG_MISC4_RULE_SHIFT 4
+#define __USTORM_ISCSI_AG_CONTEXT_AGG_VAL2_MASK (0x1<<7)
+#define __USTORM_ISCSI_AG_CONTEXT_AGG_VAL2_MASK_SHIFT 7
+	u8 agg_vars1;
+#define __USTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM0 (0x1<<0)
+#define __USTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM0_SHIFT 0
+#define USTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM1 (0x1<<1)
+#define USTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM1_SHIFT 1
+#define USTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM2 (0x1<<2)
+#define USTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM2_SHIFT 2
+#define USTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM3 (0x1<<3)
+#define USTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM3_SHIFT 3
+#define USTORM_ISCSI_AG_CONTEXT_INV_CF (0x3<<4)
+#define USTORM_ISCSI_AG_CONTEXT_INV_CF_SHIFT 4
+#define USTORM_ISCSI_AG_CONTEXT_COMPLETION_CF (0x3<<6)
+#define USTORM_ISCSI_AG_CONTEXT_COMPLETION_CF_SHIFT 6
+	u8 state;
+#elif defined(__LITTLE_ENDIAN)
+	u8 state;
+	u8 agg_vars1;
+#define __USTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM0 (0x1<<0)
+#define __USTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM0_SHIFT 0
+#define USTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM1 (0x1<<1)
+#define USTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM1_SHIFT 1
+#define USTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM2 (0x1<<2)
+#define USTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM2_SHIFT 2
+#define USTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM3 (0x1<<3)
+#define USTORM_ISCSI_AG_CONTEXT_EXISTS_IN_QM3_SHIFT 3
+#define USTORM_ISCSI_AG_CONTEXT_INV_CF (0x3<<4)
+#define USTORM_ISCSI_AG_CONTEXT_INV_CF_SHIFT 4
+#define USTORM_ISCSI_AG_CONTEXT_COMPLETION_CF (0x3<<6)
+#define USTORM_ISCSI_AG_CONTEXT_COMPLETION_CF_SHIFT 6
+	u8 agg_vars2;
+#define USTORM_ISCSI_AG_CONTEXT_TX_CF (0x3<<0)
+#define USTORM_ISCSI_AG_CONTEXT_TX_CF_SHIFT 0
+#define __USTORM_ISCSI_AG_CONTEXT_TIMER_CF (0x3<<2)
+#define __USTORM_ISCSI_AG_CONTEXT_TIMER_CF_SHIFT 2
+#define USTORM_ISCSI_AG_CONTEXT_AGG_MISC4_RULE (0x7<<4)
+#define USTORM_ISCSI_AG_CONTEXT_AGG_MISC4_RULE_SHIFT 4
+#define __USTORM_ISCSI_AG_CONTEXT_AGG_VAL2_MASK (0x1<<7)
+#define __USTORM_ISCSI_AG_CONTEXT_AGG_VAL2_MASK_SHIFT 7
+	u8 __aux_counter_flags;
+#endif
+#if defined(__BIG_ENDIAN)
+	u8 cdu_usage;
+	u8 agg_misc2;
+	u16 __cq_local_comp_itt_val;
+#elif defined(__LITTLE_ENDIAN)
+	u16 __cq_local_comp_itt_val;
+	u8 agg_misc2;
+	u8 cdu_usage;
+#endif
+	u32 agg_misc4;
+#if defined(__BIG_ENDIAN)
+	u8 agg_val3_th;
+	u8 agg_val3;
+	u16 agg_misc3;
+#elif defined(__LITTLE_ENDIAN)
+	u16 agg_misc3;
+	u8 agg_val3;
+	u8 agg_val3_th;
+#endif
+	u32 agg_val1;
+	u32 agg_misc4_th;
+#if defined(__BIG_ENDIAN)
+	u16 agg_val2_th;
+	u16 agg_val2;
+#elif defined(__LITTLE_ENDIAN)
+	u16 agg_val2;
+	u16 agg_val2_th;
+#endif
+#if defined(__BIG_ENDIAN)
+	u16 __reserved2;
+	u8 decision_rules;
+#define USTORM_ISCSI_AG_CONTEXT_AGG_VAL2_RULE (0x7<<0)
+#define USTORM_ISCSI_AG_CONTEXT_AGG_VAL2_RULE_SHIFT 0
+#define __USTORM_ISCSI_AG_CONTEXT_AGG_VAL3_RULE (0x7<<3)
+#define __USTORM_ISCSI_AG_CONTEXT_AGG_VAL3_RULE_SHIFT 3
+#define __USTORM_ISCSI_AG_CONTEXT_AGG_VAL2_ARM_N_FLAG (0x1<<6)
+#define __USTORM_ISCSI_AG_CONTEXT_AGG_VAL2_ARM_N_FLAG_SHIFT 6
+#define __USTORM_ISCSI_AG_CONTEXT_RESERVED1 (0x1<<7)
+#define __USTORM_ISCSI_AG_CONTEXT_RESERVED1_SHIFT 7
+	u8 decision_rule_enable_bits;
+#define USTORM_ISCSI_AG_CONTEXT_INV_CF_EN (0x1<<0)
+#define USTORM_ISCSI_AG_CONTEXT_INV_CF_EN_SHIFT 0
+#define USTORM_ISCSI_AG_CONTEXT_COMPLETION_CF_EN (0x1<<1)
+#define USTORM_ISCSI_AG_CONTEXT_COMPLETION_CF_EN_SHIFT 1
+#define USTORM_ISCSI_AG_CONTEXT_TX_CF_EN (0x1<<2)
+#define USTORM_ISCSI_AG_CONTEXT_TX_CF_EN_SHIFT 2
+#define __USTORM_ISCSI_AG_CONTEXT_TIMER_CF_EN (0x1<<3)
+#define __USTORM_ISCSI_AG_CONTEXT_TIMER_CF_EN_SHIFT 3
+#define __USTORM_ISCSI_AG_CONTEXT_CQ_LOCAL_COMP_CF_EN (0x1<<4)
+#define __USTORM_ISCSI_AG_CONTEXT_CQ_LOCAL_COMP_CF_EN_SHIFT 4
+#define __USTORM_ISCSI_AG_CONTEXT_QUEUES_FLUSH_Q0_CF_EN (0x1<<5)
+#define __USTORM_ISCSI_AG_CONTEXT_QUEUES_FLUSH_Q0_CF_EN_SHIFT 5
+#define __USTORM_ISCSI_AG_CONTEXT_AUX3_CF_EN (0x1<<6)
+#define __USTORM_ISCSI_AG_CONTEXT_AUX3_CF_EN_SHIFT 6
+#define __USTORM_ISCSI_AG_CONTEXT_DQ_CF_EN (0x1<<7)
+#define __USTORM_ISCSI_AG_CONTEXT_DQ_CF_EN_SHIFT 7
+#elif defined(__LITTLE_ENDIAN)
+	u8 decision_rule_enable_bits;
+#define USTORM_ISCSI_AG_CONTEXT_INV_CF_EN (0x1<<0)
+#define USTORM_ISCSI_AG_CONTEXT_INV_CF_EN_SHIFT 0
+#define USTORM_ISCSI_AG_CONTEXT_COMPLETION_CF_EN (0x1<<1)
+#define USTORM_ISCSI_AG_CONTEXT_COMPLETION_CF_EN_SHIFT 1
+#define USTORM_ISCSI_AG_CONTEXT_TX_CF_EN (0x1<<2)
+#define USTORM_ISCSI_AG_CONTEXT_TX_CF_EN_SHIFT 2
+#define __USTORM_ISCSI_AG_CONTEXT_TIMER_CF_EN (0x1<<3)
+#define __USTORM_ISCSI_AG_CONTEXT_TIMER_CF_EN_SHIFT 3
+#define __USTORM_ISCSI_AG_CONTEXT_CQ_LOCAL_COMP_CF_EN (0x1<<4)
+#define __USTORM_ISCSI_AG_CONTEXT_CQ_LOCAL_COMP_CF_EN_SHIFT 4
+#define __USTORM_ISCSI_AG_CONTEXT_QUEUES_FLUSH_Q0_CF_EN (0x1<<5)
+#define __USTORM_ISCSI_AG_CONTEXT_QUEUES_FLUSH_Q0_CF_EN_SHIFT 5
+#define __USTORM_ISCSI_AG_CONTEXT_AUX3_CF_EN (0x1<<6)
+#define __USTORM_ISCSI_AG_CONTEXT_AUX3_CF_EN_SHIFT 6
+#define __USTORM_ISCSI_AG_CONTEXT_DQ_CF_EN (0x1<<7)
+#define __USTORM_ISCSI_AG_CONTEXT_DQ_CF_EN_SHIFT 7
+	u8 decision_rules;
+#define USTORM_ISCSI_AG_CONTEXT_AGG_VAL2_RULE (0x7<<0)
+#define USTORM_ISCSI_AG_CONTEXT_AGG_VAL2_RULE_SHIFT 0
+#define __USTORM_ISCSI_AG_CONTEXT_AGG_VAL3_RULE (0x7<<3)
+#define __USTORM_ISCSI_AG_CONTEXT_AGG_VAL3_RULE_SHIFT 3
+#define __USTORM_ISCSI_AG_CONTEXT_AGG_VAL2_ARM_N_FLAG (0x1<<6)
+#define __USTORM_ISCSI_AG_CONTEXT_AGG_VAL2_ARM_N_FLAG_SHIFT 6
+#define __USTORM_ISCSI_AG_CONTEXT_RESERVED1 (0x1<<7)
+#define __USTORM_ISCSI_AG_CONTEXT_RESERVED1_SHIFT 7
+	u16 __reserved2;
+#endif
+};
+
+/*
+ * Timers connection context
+ */
+struct iscsi_timers_block_context {
+	u32 __reserved_0;
+	u32 __reserved_1;
+	u32 __reserved_2;
+	u32 flags;
+#define __ISCSI_TIMERS_BLOCK_CONTEXT_NUM_OF_ACTIVE_TIMERS (0x3<<0)
+#define __ISCSI_TIMERS_BLOCK_CONTEXT_NUM_OF_ACTIVE_TIMERS_SHIFT 0
+#define ISCSI_TIMERS_BLOCK_CONTEXT_CONN_VALID_FLG (0x1<<2)
+#define ISCSI_TIMERS_BLOCK_CONTEXT_CONN_VALID_FLG_SHIFT 2
+#define __ISCSI_TIMERS_BLOCK_CONTEXT_RESERVED0 (0x1FFFFFFF<<3)
+#define __ISCSI_TIMERS_BLOCK_CONTEXT_RESERVED0_SHIFT 3
+};
+
+/*
+ * Ethernet context section, shared in TOE, RDMA and ISCSI
+ */
+struct xstorm_eth_context_section {
+#if defined(__BIG_ENDIAN)
+	u8 remote_addr_4;
+	u8 remote_addr_5;
+	u8 local_addr_0;
+	u8 local_addr_1;
+#elif defined(__LITTLE_ENDIAN)
+	u8 local_addr_1;
+	u8 local_addr_0;
+	u8 remote_addr_5;
+	u8 remote_addr_4;
+#endif
+#if defined(__BIG_ENDIAN)
+	u8 remote_addr_0;
+	u8 remote_addr_1;
+	u8 remote_addr_2;
+	u8 remote_addr_3;
+#elif defined(__LITTLE_ENDIAN)
+	u8 remote_addr_3;
+	u8 remote_addr_2;
+	u8 remote_addr_1;
+	u8 remote_addr_0;
+#endif
+#if defined(__BIG_ENDIAN)
+	u16 reserved_vlan_type;
+	u16 params;
+#define XSTORM_ETH_CONTEXT_SECTION_VLAN_ID (0xFFF<<0)
+#define XSTORM_ETH_CONTEXT_SECTION_VLAN_ID_SHIFT 0
+#define XSTORM_ETH_CONTEXT_SECTION_CFI (0x1<<12)
+#define XSTORM_ETH_CONTEXT_SECTION_CFI_SHIFT 12
+#define XSTORM_ETH_CONTEXT_SECTION_PRIORITY (0x7<<13)
+#define XSTORM_ETH_CONTEXT_SECTION_PRIORITY_SHIFT 13
+#elif defined(__LITTLE_ENDIAN)
+	u16 params;
+#define XSTORM_ETH_CONTEXT_SECTION_VLAN_ID (0xFFF<<0)
+#define XSTORM_ETH_CONTEXT_SECTION_VLAN_ID_SHIFT 0
+#define XSTORM_ETH_CONTEXT_SECTION_CFI (0x1<<12)
+#define XSTORM_ETH_CONTEXT_SECTION_CFI_SHIFT 12
+#define XSTORM_ETH_CONTEXT_SECTION_PRIORITY (0x7<<13)
+#define XSTORM_ETH_CONTEXT_SECTION_PRIORITY_SHIFT 13
+	u16 reserved_vlan_type;
+#endif
+#if defined(__BIG_ENDIAN)
+	u8 local_addr_2;
+	u8 local_addr_3;
+	u8 local_addr_4;
+	u8 local_addr_5;
+#elif defined(__LITTLE_ENDIAN)
+	u8 local_addr_5;
+	u8 local_addr_4;
+	u8 local_addr_3;
+	u8 local_addr_2;
+#endif
+};
+
+/*
+ * IpV4 context section, shared in TOE, RDMA and ISCSI
+ */
+struct xstorm_ip_v4_context_section {
+#if defined(__BIG_ENDIAN)
+	u16 __pbf_hdr_cmd_rsvd_id;
+	u16 __pbf_hdr_cmd_rsvd_flags_offset;
+#elif defined(__LITTLE_ENDIAN)
+	u16 __pbf_hdr_cmd_rsvd_flags_offset;
+	u16 __pbf_hdr_cmd_rsvd_id;
+#endif
+#if defined(__BIG_ENDIAN)
+	u8 __pbf_hdr_cmd_rsvd_ver_ihl;
+	u8 tos;
+	u16 __pbf_hdr_cmd_rsvd_length;
+#elif defined(__LITTLE_ENDIAN)
+	u16 __pbf_hdr_cmd_rsvd_length;
+	u8 tos;
+	u8 __pbf_hdr_cmd_rsvd_ver_ihl;
+#endif
+	u32 ip_local_addr;
+#if defined(__BIG_ENDIAN)
+	u8 ttl;
+	u8 __pbf_hdr_cmd_rsvd_protocol;
+	u16 __pbf_hdr_cmd_rsvd_csum;
+#elif defined(__LITTLE_ENDIAN)
+	u16 __pbf_hdr_cmd_rsvd_csum;
+	u8 __pbf_hdr_cmd_rsvd_protocol;
+	u8 ttl;
+#endif
+	u32 __pbf_hdr_cmd_rsvd_1;
+	u32 ip_remote_addr;
+};
+
+/*
+ * context section, shared in TOE, RDMA and ISCSI
+ */
+struct xstorm_padded_ip_v4_context_section {
+	struct xstorm_ip_v4_context_section ip_v4;
+	u32 reserved1[4];
+};
+
+/*
+ * IpV6 context section, shared in TOE, RDMA and ISCSI
+ */
+struct xstorm_ip_v6_context_section {
+#if defined(__BIG_ENDIAN)
+	u16 pbf_hdr_cmd_rsvd_payload_len;
+	u8 pbf_hdr_cmd_rsvd_nxt_hdr;
+	u8 hop_limit;
+#elif defined(__LITTLE_ENDIAN)
+	u8 hop_limit;
+	u8 pbf_hdr_cmd_rsvd_nxt_hdr;
+	u16 pbf_hdr_cmd_rsvd_payload_len;
+#endif
+	u32 priority_flow_label;
+#define XSTORM_IP_V6_CONTEXT_SECTION_FLOW_LABEL (0xFFFFF<<0)
+#define XSTORM_IP_V6_CONTEXT_SECTION_FLOW_LABEL_SHIFT 0
+#define XSTORM_IP_V6_CONTEXT_SECTION_TRAFFIC_CLASS (0xFF<<20)
+#define XSTORM_IP_V6_CONTEXT_SECTION_TRAFFIC_CLASS_SHIFT 20
+#define XSTORM_IP_V6_CONTEXT_SECTION_PBF_HDR_CMD_RSVD_VER (0xF<<28)
+#define XSTORM_IP_V6_CONTEXT_SECTION_PBF_HDR_CMD_RSVD_VER_SHIFT 28
+	u32 ip_local_addr_lo_hi;
+	u32 ip_local_addr_lo_lo;
+	u32 ip_local_addr_hi_hi;
+	u32 ip_local_addr_hi_lo;
+	u32 ip_remote_addr_lo_hi;
+	u32 ip_remote_addr_lo_lo;
+	u32 ip_remote_addr_hi_hi;
+	u32 ip_remote_addr_hi_lo;
+};
+
+union xstorm_ip_context_section_types {
+	struct xstorm_padded_ip_v4_context_section padded_ip_v4;
+	struct xstorm_ip_v6_context_section ip_v6;
+};
+
+/*
+ * TCP context section, shared in TOE, RDMA and ISCSI
+ */
+struct xstorm_tcp_context_section {
+	u32 snd_max;
+#if defined(__BIG_ENDIAN)
+	u16 remote_port;
+	u16 local_port;
+#elif defined(__LITTLE_ENDIAN)
+	u16 local_port;
+	u16 remote_port;
+#endif
+#if defined(__BIG_ENDIAN)
+	u8 original_nagle_1b;
+	u8 ts_enabled_1b;
+	u16 tcp_params;
+#define XSTORM_TCP_CONTEXT_SECTION_TOTAL_HEADER_SIZE (0xFF<<0)
+#define XSTORM_TCP_CONTEXT_SECTION_TOTAL_HEADER_SIZE_SHIFT 0
+#define __XSTORM_TCP_CONTEXT_SECTION_ECT_BIT (0x1<<8)
+#define __XSTORM_TCP_CONTEXT_SECTION_ECT_BIT_SHIFT 8
+#define __XSTORM_TCP_CONTEXT_SECTION_ECN_ENABLED (0x1<<9)
+#define __XSTORM_TCP_CONTEXT_SECTION_ECN_ENABLED_SHIFT 9
+#define XSTORM_TCP_CONTEXT_SECTION_SACK_ENABLED (0x1<<10)
+#define XSTORM_TCP_CONTEXT_SECTION_SACK_ENABLED_SHIFT 10
+#define XSTORM_TCP_CONTEXT_SECTION_KA_STATE (0x1<<11)
+#define XSTORM_TCP_CONTEXT_SECTION_KA_STATE_SHIFT 11
+#define XSTORM_TCP_CONTEXT_SECTION_FIN_SENT_FLAG (0x1<<12)
+#define XSTORM_TCP_CONTEXT_SECTION_FIN_SENT_FLAG_SHIFT 12
+#define XSTORM_TCP_CONTEXT_SECTION_WINDOW_SATURATED (0x1<<13)
+#define XSTORM_TCP_CONTEXT_SECTION_WINDOW_SATURATED_SHIFT 13
+#define XSTORM_TCP_CONTEXT_SECTION_SLOWPATH_QUEUES_FLUSH_COUNTER (0x3<<14)
+#define XSTORM_TCP_CONTEXT_SECTION_SLOWPATH_QUEUES_FLUSH_COUNTER_SHIFT 14
+#elif defined(__LITTLE_ENDIAN)
+	u16 tcp_params;
+#define XSTORM_TCP_CONTEXT_SECTION_TOTAL_HEADER_SIZE (0xFF<<0)
+#define XSTORM_TCP_CONTEXT_SECTION_TOTAL_HEADER_SIZE_SHIFT 0
+#define __XSTORM_TCP_CONTEXT_SECTION_ECT_BIT (0x1<<8)
+#define __XSTORM_TCP_CONTEXT_SECTION_ECT_BIT_SHIFT 8
+#define __XSTORM_TCP_CONTEXT_SECTION_ECN_ENABLED (0x1<<9)
+#define __XSTORM_TCP_CONTEXT_SECTION_ECN_ENABLED_SHIFT 9
+#define XSTORM_TCP_CONTEXT_SECTION_SACK_ENABLED (0x1<<10)
+#define XSTORM_TCP_CONTEXT_SECTION_SACK_ENABLED_SHIFT 10
+#define XSTORM_TCP_CONTEXT_SECTION_KA_STATE (0x1<<11)
+#define XSTORM_TCP_CONTEXT_SECTION_KA_STATE_SHIFT 11
+#define XSTORM_TCP_CONTEXT_SECTION_FIN_SENT_FLAG (0x1<<12)
+#define XSTORM_TCP_CONTEXT_SECTION_FIN_SENT_FLAG_SHIFT 12
+#define XSTORM_TCP_CONTEXT_SECTION_WINDOW_SATURATED (0x1<<13)
+#define XSTORM_TCP_CONTEXT_SECTION_WINDOW_SATURATED_SHIFT 13
+#define XSTORM_TCP_CONTEXT_SECTION_SLOWPATH_QUEUES_FLUSH_COUNTER (0x3<<14)
+#define XSTORM_TCP_CONTEXT_SECTION_SLOWPATH_QUEUES_FLUSH_COUNTER_SHIFT 14
+	u8 ts_enabled_1b;
+	u8 original_nagle_1b;
+#endif
+#if defined(__BIG_ENDIAN)
+	u16 pseudo_csum;
+	u16 window_scaling_factor;
+#elif defined(__LITTLE_ENDIAN)
+	u16 window_scaling_factor;
+	u16 pseudo_csum;
+#endif
+	u32 reserved2;
+	u32 ts_time_diff;
+	u32 __next_timer_expir;
+};
+
+/*
+ * Common context section, shared in TOE, RDMA and ISCSI
+ */
+struct xstorm_common_context_section {
+	struct xstorm_eth_context_section ethernet;
+	union xstorm_ip_context_section_types ip_union;
+	struct xstorm_tcp_context_section tcp;
+#if defined(__BIG_ENDIAN)
+	u16 reserved;
+	u8 statistics_params;
+#define XSTORM_COMMON_CONTEXT_SECTION_UPDATE_L2_STATSTICS (0x1<<0)
+#define XSTORM_COMMON_CONTEXT_SECTION_UPDATE_L2_STATSTICS_SHIFT 0
+#define XSTORM_COMMON_CONTEXT_SECTION_UPDATE_L4_STATSTICS (0x1<<1)
+#define XSTORM_COMMON_CONTEXT_SECTION_UPDATE_L4_STATSTICS_SHIFT 1
+#define XSTORM_COMMON_CONTEXT_SECTION_STATISTICS_COUNTER_ID (0x1F<<2)
+#define XSTORM_COMMON_CONTEXT_SECTION_STATISTICS_COUNTER_ID_SHIFT 2
+#define XSTORM_COMMON_CONTEXT_SECTION_RESERVED0 (0x1<<7)
+#define XSTORM_COMMON_CONTEXT_SECTION_RESERVED0_SHIFT 7
+	u8 ip_version_1b;
+#elif defined(__LITTLE_ENDIAN)
+	u8 ip_version_1b;
+	u8 statistics_params;
+#define XSTORM_COMMON_CONTEXT_SECTION_UPDATE_L2_STATSTICS (0x1<<0)
+#define XSTORM_COMMON_CONTEXT_SECTION_UPDATE_L2_STATSTICS_SHIFT 0
+#define XSTORM_COMMON_CONTEXT_SECTION_UPDATE_L4_STATSTICS (0x1<<1)
+#define XSTORM_COMMON_CONTEXT_SECTION_UPDATE_L4_STATSTICS_SHIFT 1
+#define XSTORM_COMMON_CONTEXT_SECTION_STATISTICS_COUNTER_ID (0x1F<<2)
+#define XSTORM_COMMON_CONTEXT_SECTION_STATISTICS_COUNTER_ID_SHIFT 2
+#define XSTORM_COMMON_CONTEXT_SECTION_RESERVED0 (0x1<<7)
+#define XSTORM_COMMON_CONTEXT_SECTION_RESERVED0_SHIFT 7
+	u16 reserved;
+#endif
+};
+
+/*
+ * Flags used in ISCSI context section
+ */
+struct xstorm_iscsi_context_flags {
+	u8 flags;
+#define XSTORM_ISCSI_CONTEXT_FLAGS_B_IMMEDIATE_DATA (0x1<<0)
+#define XSTORM_ISCSI_CONTEXT_FLAGS_B_IMMEDIATE_DATA_SHIFT 0
+#define XSTORM_ISCSI_CONTEXT_FLAGS_B_INITIAL_R2T (0x1<<1)
+#define XSTORM_ISCSI_CONTEXT_FLAGS_B_INITIAL_R2T_SHIFT 1
+#define XSTORM_ISCSI_CONTEXT_FLAGS_B_EN_HEADER_DIGEST (0x1<<2)
+#define XSTORM_ISCSI_CONTEXT_FLAGS_B_EN_HEADER_DIGEST_SHIFT 2
+#define XSTORM_ISCSI_CONTEXT_FLAGS_B_EN_DATA_DIGEST (0x1<<3)
+#define XSTORM_ISCSI_CONTEXT_FLAGS_B_EN_DATA_DIGEST_SHIFT 3
+#define XSTORM_ISCSI_CONTEXT_FLAGS_B_HQ_BD_WRITTEN (0x1<<4)
+#define XSTORM_ISCSI_CONTEXT_FLAGS_B_HQ_BD_WRITTEN_SHIFT 4
+#define XSTORM_ISCSI_CONTEXT_FLAGS_B_LAST_OP_SQ (0x1<<5)
+#define XSTORM_ISCSI_CONTEXT_FLAGS_B_LAST_OP_SQ_SHIFT 5
+#define XSTORM_ISCSI_CONTEXT_FLAGS_B_UPDATE_SND_NXT (0x1<<6)
+#define XSTORM_ISCSI_CONTEXT_FLAGS_B_UPDATE_SND_NXT_SHIFT 6
+#define XSTORM_ISCSI_CONTEXT_FLAGS_RESERVED4 (0x1<<7)
+#define XSTORM_ISCSI_CONTEXT_FLAGS_RESERVED4_SHIFT 7
+};
+
+struct iscsi_task_context_entry_x {
+	u32 data_out_buffer_offset;
+	u32 itt;
+	u32 data_sn;
+};
+
+struct iscsi_task_context_entry_xuc_x_write_only {
+	u32 tx_r2t_sn;
+};
+
+struct iscsi_task_context_entry_xuc_xu_write_both {
+	u32 sgl_base_lo;
+	u32 sgl_base_hi;
+#if defined(__BIG_ENDIAN)
+	u8 sgl_size;
+	u8 sge_index;
+	u16 sge_offset;
+#elif defined(__LITTLE_ENDIAN)
+	u16 sge_offset;
+	u8 sge_index;
+	u8 sgl_size;
+#endif
+};
+
+/*
+ * iSCSI context section
+ */
+struct xstorm_iscsi_context_section {
+	u32 first_burst_length;
+	u32 max_send_pdu_length;
+	struct regpair sq_pbl_base;
+	struct regpair sq_curr_pbe;
+	struct regpair hq_pbl_base;
+	struct regpair hq_curr_pbe_base;
+	struct regpair r2tq_pbl_base;
+	struct regpair r2tq_curr_pbe_base;
+	struct regpair task_pbl_base;
+#if defined(__BIG_ENDIAN)
+	u16 data_out_count;
+	struct xstorm_iscsi_context_flags flags;
+	u8 task_pbl_cache_idx;
+#elif defined(__LITTLE_ENDIAN)
+	u8 task_pbl_cache_idx;
+	struct xstorm_iscsi_context_flags flags;
+	u16 data_out_count;
+#endif
+	u32 seq_more_2_send;
+	u32 pdu_more_2_send;
+	struct iscsi_task_context_entry_x temp_tce_x;
+	struct iscsi_task_context_entry_xuc_x_write_only temp_tce_x_wr;
+	struct iscsi_task_context_entry_xuc_xu_write_both temp_tce_xu_wr;
+	struct regpair lun;
+	u32 exp_data_transfer_len_ttt;
+	u32 pdu_data_2_rxmit;
+	u32 rxmit_bytes_2_dr;
+#if defined(__BIG_ENDIAN)
+	u16 rxmit_sge_offset;
+	u16 hq_rxmit_cons;
+#elif defined(__LITTLE_ENDIAN)
+	u16 hq_rxmit_cons;
+	u16 rxmit_sge_offset;
+#endif
+#if defined(__BIG_ENDIAN)
+	u16 r2tq_cons;
+	u8 rxmit_flags;
+#define XSTORM_ISCSI_CONTEXT_SECTION_B_NEW_HQ_BD (0x1<<0)
+#define XSTORM_ISCSI_CONTEXT_SECTION_B_NEW_HQ_BD_SHIFT 0
+#define XSTORM_ISCSI_CONTEXT_SECTION_B_RXMIT_PDU_HDR (0x1<<1)
+#define XSTORM_ISCSI_CONTEXT_SECTION_B_RXMIT_PDU_HDR_SHIFT 1
+#define XSTORM_ISCSI_CONTEXT_SECTION_B_RXMIT_END_PDU (0x1<<2)
+#define XSTORM_ISCSI_CONTEXT_SECTION_B_RXMIT_END_PDU_SHIFT 2
+#define XSTORM_ISCSI_CONTEXT_SECTION_B_RXMIT_DR (0x1<<3)
+#define XSTORM_ISCSI_CONTEXT_SECTION_B_RXMIT_DR_SHIFT 3
+#define XSTORM_ISCSI_CONTEXT_SECTION_B_RXMIT_START_DR (0x1<<4)
+#define XSTORM_ISCSI_CONTEXT_SECTION_B_RXMIT_START_DR_SHIFT 4
+#define XSTORM_ISCSI_CONTEXT_SECTION_B_RXMIT_PADDING (0x3<<5)
+#define XSTORM_ISCSI_CONTEXT_SECTION_B_RXMIT_PADDING_SHIFT 5
+#define XSTORM_ISCSI_CONTEXT_SECTION_B_ISCSI_CONT_FAST_RXMIT (0x1<<7)
+#define XSTORM_ISCSI_CONTEXT_SECTION_B_ISCSI_CONT_FAST_RXMIT_SHIFT 7
+	u8 rxmit_sge_idx;
+#elif defined(__LITTLE_ENDIAN)
+	u8 rxmit_sge_idx;
+	u8 rxmit_flags;
+#define XSTORM_ISCSI_CONTEXT_SECTION_B_NEW_HQ_BD (0x1<<0)
+#define XSTORM_ISCSI_CONTEXT_SECTION_B_NEW_HQ_BD_SHIFT 0
+#define XSTORM_ISCSI_CONTEXT_SECTION_B_RXMIT_PDU_HDR (0x1<<1)
+#define XSTORM_ISCSI_CONTEXT_SECTION_B_RXMIT_PDU_HDR_SHIFT 1
+#define XSTORM_ISCSI_CONTEXT_SECTION_B_RXMIT_END_PDU (0x1<<2)
+#define XSTORM_ISCSI_CONTEXT_SECTION_B_RXMIT_END_PDU_SHIFT 2
+#define XSTORM_ISCSI_CONTEXT_SECTION_B_RXMIT_DR (0x1<<3)
+#define XSTORM_ISCSI_CONTEXT_SECTION_B_RXMIT_DR_SHIFT 3
+#define XSTORM_ISCSI_CONTEXT_SECTION_B_RXMIT_START_DR (0x1<<4)
+#define XSTORM_ISCSI_CONTEXT_SECTION_B_RXMIT_START_DR_SHIFT 4
+#define XSTORM_ISCSI_CONTEXT_SECTION_B_RXMIT_PADDING (0x3<<5)
+#define XSTORM_ISCSI_CONTEXT_SECTION_B_RXMIT_PADDING_SHIFT 5
+#define XSTORM_ISCSI_CONTEXT_SECTION_B_ISCSI_CONT_FAST_RXMIT (0x1<<7)
+#define XSTORM_ISCSI_CONTEXT_SECTION_B_ISCSI_CONT_FAST_RXMIT_SHIFT 7
+	u16 r2tq_cons;
+#endif
+	u32 hq_rxmit_tcp_seq;
+};
+
+/*
+ * Xstorm iSCSI Storm Context
+ */
+struct xstorm_iscsi_st_context {
+	struct xstorm_common_context_section common;
+	struct xstorm_iscsi_context_section iscsi;
+};
+
+/*
+ * CQ DB CQ producer and pending completion counter
+ */
+struct iscsi_cq_db_prod_pnd_cmpltn_cnt {
+#if defined(__BIG_ENDIAN)
+	u16 cntr;
+	u16 prod;
+#elif defined(__LITTLE_ENDIAN)
+	u16 prod;
+	u16 cntr;
+#endif
+};
+
+/*
+ * CQ DB pending completion ITT array
+ */
+struct iscsi_cq_db_prod_pnd_cmpltn_cnt_arr {
+	struct iscsi_cq_db_prod_pnd_cmpltn_cnt prod_pend_comp[8];
+};
+
+/*
+ * Cstorm CQ sequence to notify array, updated by driver
+ */
+struct iscsi_cq_db_sqn_2_notify_arr {
+	u16 sqn[8];
+};
+
+/*
+ * Cstorm iSCSI Storm Context
+ */
+struct cstorm_iscsi_st_context {
+	struct iscsi_cq_db_prod_pnd_cmpltn_cnt_arr cq_c_prod_pend_comp_ctr_arr;
+	struct iscsi_cq_db_sqn_2_notify_arr cq_c_prod_sqn_arr;
+	struct iscsi_cq_db_sqn_2_notify_arr cq_c_sqn_2_notify_arr;
+	struct regpair hq_pbl_base;
+	struct regpair hq_curr_pbe;
+	struct regpair task_pbl_base;
+	struct regpair cq_db_base;
+#if defined(__BIG_ENDIAN)
+	u16 hq_bd_itt;
+	u16 iscsi_conn_id;
+#elif defined(__LITTLE_ENDIAN)
+	u16 iscsi_conn_id;
+	u16 hq_bd_itt;
+#endif
+	u32 hq_bd_data_segment_len;
+	u32 hq_bd_buffer_offset;
+#if defined(__BIG_ENDIAN)
+	u8 timer_entry_idx;
+	u8 cq_proc_en_bit_map;
+	u8 cq_pend_comp_itt_valid_bit_map;
+	u8 hq_bd_opcode;
+#elif defined(__LITTLE_ENDIAN)
+	u8 hq_bd_opcode;
+	u8 cq_pend_comp_itt_valid_bit_map;
+	u8 cq_proc_en_bit_map;
+	u8 timer_entry_idx;
+#endif
+	u32 hq_tcp_seq;
+#if defined(__BIG_ENDIAN)
+	u16 flags;
+#define CSTORM_ISCSI_ST_CONTEXT_DATA_DIGEST_EN (0x1<<0)
+#define CSTORM_ISCSI_ST_CONTEXT_DATA_DIGEST_EN_SHIFT 0
+#define CSTORM_ISCSI_ST_CONTEXT_HDR_DIGEST_EN (0x1<<1)
+#define CSTORM_ISCSI_ST_CONTEXT_HDR_DIGEST_EN_SHIFT 1
+#define CSTORM_ISCSI_ST_CONTEXT_HQ_BD_CTXT_VALID (0x1<<2)
+#define CSTORM_ISCSI_ST_CONTEXT_HQ_BD_CTXT_VALID_SHIFT 2
+#define CSTORM_ISCSI_ST_CONTEXT_HQ_BD_LCL_CMPLN_FLG (0x1<<3)
+#define CSTORM_ISCSI_ST_CONTEXT_HQ_BD_LCL_CMPLN_FLG_SHIFT 3
+#define CSTORM_ISCSI_ST_CONTEXT_HQ_BD_WRITE_TASK (0x1<<4)
+#define CSTORM_ISCSI_ST_CONTEXT_HQ_BD_WRITE_TASK_SHIFT 4
+#define CSTORM_ISCSI_ST_CONTEXT_CTRL_FLAGS_RSRV (0x7FF<<5)
+#define CSTORM_ISCSI_ST_CONTEXT_CTRL_FLAGS_RSRV_SHIFT 5
+	u16 hq_cons;
+#elif defined(__LITTLE_ENDIAN)
+	u16 hq_cons;
+	u16 flags;
+#define CSTORM_ISCSI_ST_CONTEXT_DATA_DIGEST_EN (0x1<<0)
+#define CSTORM_ISCSI_ST_CONTEXT_DATA_DIGEST_EN_SHIFT 0
+#define CSTORM_ISCSI_ST_CONTEXT_HDR_DIGEST_EN (0x1<<1)
+#define CSTORM_ISCSI_ST_CONTEXT_HDR_DIGEST_EN_SHIFT 1
+#define CSTORM_ISCSI_ST_CONTEXT_HQ_BD_CTXT_VALID (0x1<<2)
+#define CSTORM_ISCSI_ST_CONTEXT_HQ_BD_CTXT_VALID_SHIFT 2
+#define CSTORM_ISCSI_ST_CONTEXT_HQ_BD_LCL_CMPLN_FLG (0x1<<3)
+#define CSTORM_ISCSI_ST_CONTEXT_HQ_BD_LCL_CMPLN_FLG_SHIFT 3
+#define CSTORM_ISCSI_ST_CONTEXT_HQ_BD_WRITE_TASK (0x1<<4)
+#define CSTORM_ISCSI_ST_CONTEXT_HQ_BD_WRITE_TASK_SHIFT 4
+#define CSTORM_ISCSI_ST_CONTEXT_CTRL_FLAGS_RSRV (0x7FF<<5)
+#define CSTORM_ISCSI_ST_CONTEXT_CTRL_FLAGS_RSRV_SHIFT 5
+#endif
+	struct regpair rsrv1;
+};
+
+/*
+ * Iscsi connection context
+ */
+struct iscsi_context {
+	struct ustorm_iscsi_st_context ustorm_st_context;
+	struct tstorm_iscsi_st_context tstorm_st_context;
+	struct xstorm_iscsi_ag_context xstorm_ag_context;
+	struct tstorm_iscsi_ag_context tstorm_ag_context;
+	struct cstorm_iscsi_ag_context cstorm_ag_context;
+	struct ustorm_iscsi_ag_context ustorm_ag_context;
+	struct iscsi_timers_block_context timers_context;
+	struct regpair upb_context;
+	struct xstorm_iscsi_st_context xstorm_st_context;
+	struct regpair xpb_context;
+	struct cstorm_iscsi_st_context cstorm_st_context;
+};
+
+/*
+ * Buffer per connection, used in Tstorm
+ */
+struct iscsi_conn_buf {
+	struct regpair reserved[8];
+};
+
+/*
+ * ipv6 structure
+ */
+struct ip_v6_addr {
+	u32 ip_addr_lo_lo;
+	u32 ip_addr_lo_hi;
+	u32 ip_addr_hi_lo;
+	u32 ip_addr_hi_hi;
+};
+
+/*
+ * l5cm- connection identification params
+ */
+struct l5cm_conn_addr_params {
+	u32 pmtu;
+#if defined(__BIG_ENDIAN)
+	u8 remote_addr_3;
+	u8 remote_addr_2;
+	u8 remote_addr_1;
+	u8 remote_addr_0;
+#elif defined(__LITTLE_ENDIAN)
+	u8 remote_addr_0;
+	u8 remote_addr_1;
+	u8 remote_addr_2;
+	u8 remote_addr_3;
+#endif
+#if defined(__BIG_ENDIAN)
+	u16 params;
+#define L5CM_CONN_ADDR_PARAMS_IP_VERSION (0x1<<0)
+#define L5CM_CONN_ADDR_PARAMS_IP_VERSION_SHIFT 0
+#define L5CM_CONN_ADDR_PARAMS_RSRV (0x7FFF<<1)
+#define L5CM_CONN_ADDR_PARAMS_RSRV_SHIFT 1
+	u8 remote_addr_5;
+	u8 remote_addr_4;
+#elif defined(__LITTLE_ENDIAN)
+	u8 remote_addr_4;
+	u8 remote_addr_5;
+	u16 params;
+#define L5CM_CONN_ADDR_PARAMS_IP_VERSION (0x1<<0)
+#define L5CM_CONN_ADDR_PARAMS_IP_VERSION_SHIFT 0
+#define L5CM_CONN_ADDR_PARAMS_RSRV (0x7FFF<<1)
+#define L5CM_CONN_ADDR_PARAMS_RSRV_SHIFT 1
+#endif
+	struct ip_v6_addr local_ip_addr;
+	struct ip_v6_addr remote_ip_addr;
+	u32 ipv6_flow_label_20b;
+	u32 reserved1;
+#if defined(__BIG_ENDIAN)
+	u16 remote_tcp_port;
+	u16 local_tcp_port;
+#elif defined(__LITTLE_ENDIAN)
+	u16 local_tcp_port;
+	u16 remote_tcp_port;
+#endif
+};
+
+/*
+ * l5cm-xstorm connection buffer
+ */
+struct l5cm_xstorm_conn_buffer {
+#if defined(__BIG_ENDIAN)
+	u16 rsrv1;
+	u16 params;
+#define L5CM_XSTORM_CONN_BUFFER_NAGLE_ENABLE (0x1<<0)
+#define L5CM_XSTORM_CONN_BUFFER_NAGLE_ENABLE_SHIFT 0
+#define L5CM_XSTORM_CONN_BUFFER_RSRV (0x7FFF<<1)
+#define L5CM_XSTORM_CONN_BUFFER_RSRV_SHIFT 1
+#elif defined(__LITTLE_ENDIAN)
+	u16 params;
+#define L5CM_XSTORM_CONN_BUFFER_NAGLE_ENABLE (0x1<<0)
+#define L5CM_XSTORM_CONN_BUFFER_NAGLE_ENABLE_SHIFT 0
+#define L5CM_XSTORM_CONN_BUFFER_RSRV (0x7FFF<<1)
+#define L5CM_XSTORM_CONN_BUFFER_RSRV_SHIFT 1
+	u16 rsrv1;
+#endif
+#if defined(__BIG_ENDIAN)
+	u16 mss;
+	u16 pseudo_header_checksum;
+#elif defined(__LITTLE_ENDIAN)
+	u16 pseudo_header_checksum;
+	u16 mss;
+#endif
+	u32 rcv_buf;
+	u32 rsrv2;
+	struct regpair context_addr;
+};
+
+/*
+ * l5cm-tstorm connection buffer
+ */
+struct l5cm_tstorm_conn_buffer {
+	u32 snd_buf;
+	u32 rcv_buf;
+#if defined(__BIG_ENDIAN)
+	u16 params;
+#define L5CM_TSTORM_CONN_BUFFER_DELAYED_ACK_ENABLE (0x1<<0)
+#define L5CM_TSTORM_CONN_BUFFER_DELAYED_ACK_ENABLE_SHIFT 0
+#define L5CM_TSTORM_CONN_BUFFER_RSRV (0x7FFF<<1)
+#define L5CM_TSTORM_CONN_BUFFER_RSRV_SHIFT 1
+	u8 ka_max_probe_count;
+	u8 ka_enable;
+#elif defined(__LITTLE_ENDIAN)
+	u8 ka_enable;
+	u8 ka_max_probe_count;
+	u16 params;
+#define L5CM_TSTORM_CONN_BUFFER_DELAYED_ACK_ENABLE (0x1<<0)
+#define L5CM_TSTORM_CONN_BUFFER_DELAYED_ACK_ENABLE_SHIFT 0
+#define L5CM_TSTORM_CONN_BUFFER_RSRV (0x7FFF<<1)
+#define L5CM_TSTORM_CONN_BUFFER_RSRV_SHIFT 1
+#endif
+	u32 ka_timeout;
+	u32 ka_interval;
+	u32 max_rt_time;
+};
+
+/*
+ * l5cm connection buffer for active side
+ */
+struct l5cm_active_conn_buffer {
+	struct l5cm_conn_addr_params conn_addr_buf;
+	struct l5cm_xstorm_conn_buffer xstorm_conn_buffer;
+	struct l5cm_tstorm_conn_buffer tstorm_conn_buffer;
+};
+
+/*
+ * l5cm slow path element
+ */
+struct l5cm_packet_size {
+	u32 size;
+	u32 rsrv;
+};
+
+/*
+ * l5cm connection parameters
+ */
+union l5cm_reduce_param_union {
+	u32 passive_side_scramble_key;
+	u32 pcs_id;
+};
+
+/*
+ * l5cm connection parameters
+ */
+struct l5cm_reduce_conn {
+	union l5cm_reduce_param_union param;
+	u32 isn;
+};
+
+/*
+ * l5cm slow path element
+ */
+union l5cm_specific_data {
+	u8 protocol_data[8];
+	struct regpair phy_address;
+	struct l5cm_packet_size packet_size;
+	struct l5cm_reduce_conn reduced_conn;
+};
+
+/*
+ * l5 slow path element
+ */
+struct l5cm_spe {
+	struct spe_hdr hdr;
+	union l5cm_specific_data data;
+};
+
+/*
+ * Tstorm Tcp flags
+ */
+struct tstorm_l5cm_tcp_flags {
+	u16 flags;
+#define TSTORM_L5CM_TCP_FLAGS_VLAN_ID (0xFFF<<0)
+#define TSTORM_L5CM_TCP_FLAGS_VLAN_ID_SHIFT 0
+#define TSTORM_L5CM_TCP_FLAGS_RSRV0 (0x1<<12)
+#define TSTORM_L5CM_TCP_FLAGS_RSRV0_SHIFT 12
+#define TSTORM_L5CM_TCP_FLAGS_TS_ENABLED (0x1<<13)
+#define TSTORM_L5CM_TCP_FLAGS_TS_ENABLED_SHIFT 13
+#define TSTORM_L5CM_TCP_FLAGS_RSRV1 (0x3<<14)
+#define TSTORM_L5CM_TCP_FLAGS_RSRV1_SHIFT 14
+};
+
+/*
+ * Xstorm Tcp flags
+ */
+struct xstorm_l5cm_tcp_flags {
+	u8 flags;
+#define XSTORM_L5CM_TCP_FLAGS_ENC_ENABLED (0x1<<0)
+#define XSTORM_L5CM_TCP_FLAGS_ENC_ENABLED_SHIFT 0
+#define XSTORM_L5CM_TCP_FLAGS_TS_ENABLED (0x1<<1)
+#define XSTORM_L5CM_TCP_FLAGS_TS_ENABLED_SHIFT 1
+#define XSTORM_L5CM_TCP_FLAGS_WND_SCL_EN (0x1<<2)
+#define XSTORM_L5CM_TCP_FLAGS_WND_SCL_EN_SHIFT 2
+#define XSTORM_L5CM_TCP_FLAGS_RSRV (0x1F<<3)
+#define XSTORM_L5CM_TCP_FLAGS_RSRV_SHIFT 3
+};
+
 #endif /* CNIC_DEFS_H */
-- 
GitLab


From 71034ba845c9ff219373066f904286c0b7506922 Mon Sep 17 00:00:00 2001
From: Michael Chan <mchan@broadcom.com>
Date: Sat, 10 Oct 2009 13:46:59 +0000
Subject: [PATCH 0234/1815] cnic: Add main functions to support bnx2x devices.

Add iSCSI support for bnx2x devices.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Shmulik Ravid - Rabinovitz <shmulikr@broadcom.com>
Acked-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/cnic.c | 1748 +++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 1745 insertions(+), 3 deletions(-)

diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c
index 1fd10584bad..6e7af7bb485 100644
--- a/drivers/net/cnic.c
+++ b/drivers/net/cnic.c
@@ -64,6 +64,7 @@ static DEFINE_MUTEX(cnic_lock);
 static struct cnic_ulp_ops *cnic_ulp_tbl[MAX_CNIC_ULP_TYPE];
 
 static int cnic_service_bnx2(void *, void *);
+static int cnic_service_bnx2x(void *, void *);
 static int cnic_ctl(void *, struct cnic_ctl_info *);
 
 static struct cnic_ops cnic_bnx2_ops = {
@@ -72,6 +73,12 @@ static struct cnic_ops cnic_bnx2_ops = {
 	.cnic_ctl	= cnic_ctl,
 };
 
+static struct cnic_ops cnic_bnx2x_ops = {
+	.cnic_owner	= THIS_MODULE,
+	.cnic_handler	= cnic_service_bnx2x,
+	.cnic_ctl	= cnic_ctl,
+};
+
 static void cnic_shutdown_rings(struct cnic_dev *);
 static void cnic_init_rings(struct cnic_dev *);
 static int cnic_cm_set_pg(struct cnic_sock *);
@@ -172,6 +179,36 @@ static void cnic_ctx_wr(struct cnic_dev *dev, u32 cid_addr, u32 off, u32 val)
 	ethdev->drv_ctl(dev->netdev, &info);
 }
 
+static void cnic_ctx_tbl_wr(struct cnic_dev *dev, u32 off, dma_addr_t addr)
+{
+	struct cnic_local *cp = dev->cnic_priv;
+	struct cnic_eth_dev *ethdev = cp->ethdev;
+	struct drv_ctl_info info;
+	struct drv_ctl_io *io = &info.data.io;
+
+	info.cmd = DRV_CTL_CTXTBL_WR_CMD;
+	io->offset = off;
+	io->dma_addr = addr;
+	ethdev->drv_ctl(dev->netdev, &info);
+}
+
+static void cnic_ring_ctl(struct cnic_dev *dev, u32 cid, u32 cl_id, int start)
+{
+	struct cnic_local *cp = dev->cnic_priv;
+	struct cnic_eth_dev *ethdev = cp->ethdev;
+	struct drv_ctl_info info;
+	struct drv_ctl_l2_ring *ring = &info.data.ring;
+
+	if (start)
+		info.cmd = DRV_CTL_START_L2_CMD;
+	else
+		info.cmd = DRV_CTL_STOP_L2_CMD;
+
+	ring->cid = cid;
+	ring->client_id = cl_id;
+	ethdev->drv_ctl(dev->netdev, &info);
+}
+
 static void cnic_reg_wr_ind(struct cnic_dev *dev, u32 off, u32 val)
 {
 	struct cnic_local *cp = dev->cnic_priv;
@@ -214,6 +251,19 @@ static void cnic_kwq_completion(struct cnic_dev *dev, u32 count)
 	ethdev->drv_ctl(dev->netdev, &info);
 }
 
+static int cnic_get_l5_cid(struct cnic_local *cp, u32 cid, u32 *l5_cid)
+{
+	u32 i;
+
+	for (i = 0; i < MAX_ISCSI_TBL_SZ; i++) {
+		if (cp->ctx_tbl[i].cid == cid) {
+			*l5_cid = i;
+			return 0;
+		}
+	}
+	return -EINVAL;
+}
+
 static int cnic_send_nlmsg(struct cnic_local *cp, u32 type,
 			   struct cnic_sock *csk)
 {
@@ -645,6 +695,20 @@ static void cnic_setup_page_tbl(struct cnic_dev *dev, struct cnic_dma *dma)
 	}
 }
 
+static void cnic_setup_page_tbl_le(struct cnic_dev *dev, struct cnic_dma *dma)
+{
+	int i;
+	u32 *page_table = dma->pgtbl;
+
+	for (i = 0; i < dma->num_pages; i++) {
+		/* Each entry needs to be in little endian format. */
+		*page_table = dma->pg_map_arr[i] & 0xffffffff;
+		page_table++;
+		*page_table = (u32) ((u64) dma->pg_map_arr[i] >> 32);
+		page_table++;
+	}
+}
+
 static int cnic_alloc_dma(struct cnic_dev *dev, struct cnic_dma *dma,
 			  int pages, int use_pg_tbl)
 {
@@ -735,6 +799,7 @@ static void cnic_free_resc(struct cnic_dev *dev)
 	cnic_free_dma(dev, &cp->gbl_buf_info);
 	cnic_free_dma(dev, &cp->conn_buf_info);
 	cnic_free_dma(dev, &cp->kwq_info);
+	cnic_free_dma(dev, &cp->kwq_16_data_info);
 	cnic_free_dma(dev, &cp->kcq_info);
 	kfree(cp->iscsi_tbl);
 	cp->iscsi_tbl = NULL;
@@ -834,6 +899,12 @@ static int cnic_alloc_uio(struct cnic_dev *dev) {
 			uinfo->mem[1].size = BNX2_SBLK_MSIX_ALIGN_SIZE;
 
 		uinfo->name = "bnx2_cnic";
+	} else if (test_bit(CNIC_F_BNX2X_CLASS, &dev->flags)) {
+		uinfo->mem[1].addr = (unsigned long) cp->bnx2x_def_status_blk &
+			PAGE_MASK;
+		uinfo->mem[1].size = sizeof(struct host_def_status_block);
+
+		uinfo->name = "bnx2x_cnic";
 	}
 
 	uinfo->mem[1].memtype = UIO_MEM_LOGICAL;
@@ -898,6 +969,151 @@ error:
 	return ret;
 }
 
+static int cnic_alloc_bnx2x_context(struct cnic_dev *dev)
+{
+	struct cnic_local *cp = dev->cnic_priv;
+	struct cnic_eth_dev *ethdev = cp->ethdev;
+	int ctx_blk_size = cp->ethdev->ctx_blk_size;
+	int total_mem, blks, i, cid_space;
+
+	if (BNX2X_ISCSI_START_CID < ethdev->starting_cid)
+		return -EINVAL;
+
+	cid_space = MAX_ISCSI_TBL_SZ +
+		    (BNX2X_ISCSI_START_CID - ethdev->starting_cid);
+
+	total_mem = BNX2X_CONTEXT_MEM_SIZE * cid_space;
+	blks = total_mem / ctx_blk_size;
+	if (total_mem % ctx_blk_size)
+		blks++;
+
+	if (blks > cp->ethdev->ctx_tbl_len)
+		return -ENOMEM;
+
+	cp->ctx_arr = kzalloc(blks * sizeof(struct cnic_ctx), GFP_KERNEL);
+	if (cp->ctx_arr == NULL)
+		return -ENOMEM;
+
+	cp->ctx_blks = blks;
+	cp->ctx_blk_size = ctx_blk_size;
+	if (BNX2X_CHIP_IS_E1H(cp->chip_id))
+		cp->ctx_align = 0;
+	else
+		cp->ctx_align = ctx_blk_size;
+
+	cp->cids_per_blk = ctx_blk_size / BNX2X_CONTEXT_MEM_SIZE;
+
+	for (i = 0; i < blks; i++) {
+		cp->ctx_arr[i].ctx =
+			pci_alloc_consistent(dev->pcidev, cp->ctx_blk_size,
+					     &cp->ctx_arr[i].mapping);
+		if (cp->ctx_arr[i].ctx == NULL)
+			return -ENOMEM;
+
+		if (cp->ctx_align && cp->ctx_blk_size == ctx_blk_size) {
+			if (cp->ctx_arr[i].mapping & (cp->ctx_align - 1)) {
+				cnic_free_context(dev);
+				cp->ctx_blk_size += cp->ctx_align;
+				i = -1;
+				continue;
+			}
+		}
+	}
+	return 0;
+}
+
+static int cnic_alloc_bnx2x_resc(struct cnic_dev *dev)
+{
+	struct cnic_local *cp = dev->cnic_priv;
+	int i, j, n, ret, pages;
+	struct cnic_dma *kwq_16_dma = &cp->kwq_16_data_info;
+
+	cp->iscsi_tbl = kzalloc(sizeof(struct cnic_iscsi) * MAX_ISCSI_TBL_SZ,
+				GFP_KERNEL);
+	if (!cp->iscsi_tbl)
+		goto error;
+
+	cp->ctx_tbl = kzalloc(sizeof(struct cnic_context) *
+				  MAX_CNIC_L5_CONTEXT, GFP_KERNEL);
+	if (!cp->ctx_tbl)
+		goto error;
+
+	for (i = 0; i < MAX_ISCSI_TBL_SZ; i++) {
+		cp->ctx_tbl[i].proto.iscsi = &cp->iscsi_tbl[i];
+		cp->ctx_tbl[i].ulp_proto_id = CNIC_ULP_ISCSI;
+	}
+
+	pages = PAGE_ALIGN(MAX_CNIC_L5_CONTEXT * CNIC_KWQ16_DATA_SIZE) /
+		PAGE_SIZE;
+
+	ret = cnic_alloc_dma(dev, kwq_16_dma, pages, 0);
+	if (ret)
+		return -ENOMEM;
+
+	n = PAGE_SIZE / CNIC_KWQ16_DATA_SIZE;
+	for (i = 0, j = 0; i < MAX_ISCSI_TBL_SZ; i++) {
+		long off = CNIC_KWQ16_DATA_SIZE * (i % n);
+
+		cp->ctx_tbl[i].kwqe_data = kwq_16_dma->pg_arr[j] + off;
+		cp->ctx_tbl[i].kwqe_data_mapping = kwq_16_dma->pg_map_arr[j] +
+						   off;
+
+		if ((i % n) == (n - 1))
+			j++;
+	}
+
+	ret = cnic_alloc_dma(dev, &cp->kcq_info, KCQ_PAGE_CNT, 0);
+	if (ret)
+		goto error;
+	cp->kcq = (struct kcqe **) cp->kcq_info.pg_arr;
+
+	for (i = 0; i < KCQ_PAGE_CNT; i++) {
+		struct bnx2x_bd_chain_next *next =
+			(struct bnx2x_bd_chain_next *)
+			&cp->kcq[i][MAX_KCQE_CNT];
+		int j = i + 1;
+
+		if (j >= KCQ_PAGE_CNT)
+			j = 0;
+		next->addr_hi = (u64) cp->kcq_info.pg_map_arr[j] >> 32;
+		next->addr_lo = cp->kcq_info.pg_map_arr[j] & 0xffffffff;
+	}
+
+	pages = PAGE_ALIGN(BNX2X_ISCSI_NUM_CONNECTIONS *
+			   BNX2X_ISCSI_CONN_BUF_SIZE) / PAGE_SIZE;
+	ret = cnic_alloc_dma(dev, &cp->conn_buf_info, pages, 1);
+	if (ret)
+		goto error;
+
+	pages = PAGE_ALIGN(BNX2X_ISCSI_GLB_BUF_SIZE) / PAGE_SIZE;
+	ret = cnic_alloc_dma(dev, &cp->gbl_buf_info, pages, 0);
+	if (ret)
+		goto error;
+
+	ret = cnic_alloc_bnx2x_context(dev);
+	if (ret)
+		goto error;
+
+	cp->bnx2x_status_blk = cp->status_blk;
+	cp->bnx2x_def_status_blk = cp->ethdev->irq_arr[1].status_blk;
+
+	cp->l2_rx_ring_size = 15;
+
+	ret = cnic_alloc_l2_rings(dev, 4);
+	if (ret)
+		goto error;
+
+	ret = cnic_alloc_uio(dev);
+	if (ret)
+		goto error;
+
+	return 0;
+
+error:
+	cnic_free_resc(dev);
+	return -ENOMEM;
+}
+
 static inline u32 cnic_kwq_avail(struct cnic_local *cp)
 {
 	return cp->max_kwq_idx -
@@ -939,6 +1155,880 @@ static int cnic_submit_bnx2_kwqes(struct cnic_dev *dev, struct kwqe *wqes[],
 	return 0;
 }
 
+static void *cnic_get_kwqe_16_data(struct cnic_local *cp, u32 l5_cid,
+				   union l5cm_specific_data *l5_data)
+{
+	struct cnic_context *ctx = &cp->ctx_tbl[l5_cid];
+	dma_addr_t map;
+
+	map = ctx->kwqe_data_mapping;
+	l5_data->phy_address.lo = (u64) map & 0xffffffff;
+	l5_data->phy_address.hi = (u64) map >> 32;
+	return ctx->kwqe_data;
+}
+
+static int cnic_submit_kwqe_16(struct cnic_dev *dev, u32 cmd, u32 cid,
+				u32 type, union l5cm_specific_data *l5_data)
+{
+	struct cnic_local *cp = dev->cnic_priv;
+	struct l5cm_spe kwqe;
+	struct kwqe_16 *kwq[1];
+	int ret;
+
+	kwqe.hdr.conn_and_cmd_data =
+		cpu_to_le32(((cmd << SPE_HDR_CMD_ID_SHIFT) |
+			     BNX2X_HW_CID(cid, cp->func)));
+	kwqe.hdr.type = cpu_to_le16(type);
+	kwqe.hdr.reserved = 0;
+	kwqe.data.phy_address.lo = cpu_to_le32(l5_data->phy_address.lo);
+	kwqe.data.phy_address.hi = cpu_to_le32(l5_data->phy_address.hi);
+
+	kwq[0] = (struct kwqe_16 *) &kwqe;
+
+	spin_lock_bh(&cp->cnic_ulp_lock);
+	ret = cp->ethdev->drv_submit_kwqes_16(dev->netdev, kwq, 1);
+	spin_unlock_bh(&cp->cnic_ulp_lock);
+
+	if (ret == 1)
+		return 0;
+
+	return -EBUSY;
+}
+
+static void cnic_reply_bnx2x_kcqes(struct cnic_dev *dev, int ulp_type,
+				   struct kcqe *cqes[], u32 num_cqes)
+{
+	struct cnic_local *cp = dev->cnic_priv;
+	struct cnic_ulp_ops *ulp_ops;
+
+	rcu_read_lock();
+	ulp_ops = rcu_dereference(cp->ulp_ops[ulp_type]);
+	if (likely(ulp_ops)) {
+		ulp_ops->indicate_kcqes(cp->ulp_handle[ulp_type],
+					  cqes, num_cqes);
+	}
+	rcu_read_unlock();
+}
+
+static int cnic_bnx2x_iscsi_init1(struct cnic_dev *dev, struct kwqe *kwqe)
+{
+	struct cnic_local *cp = dev->cnic_priv;
+	struct iscsi_kwqe_init1 *req1 = (struct iscsi_kwqe_init1 *) kwqe;
+	int func = cp->func, pages;
+	int hq_bds;
+
+	cp->num_iscsi_tasks = req1->num_tasks_per_conn;
+	cp->num_ccells = req1->num_ccells_per_conn;
+	cp->task_array_size = BNX2X_ISCSI_TASK_CONTEXT_SIZE *
+			      cp->num_iscsi_tasks;
+	cp->r2tq_size = cp->num_iscsi_tasks * BNX2X_ISCSI_MAX_PENDING_R2TS *
+			BNX2X_ISCSI_R2TQE_SIZE;
+	cp->hq_size = cp->num_ccells * BNX2X_ISCSI_HQ_BD_SIZE;
+	pages = PAGE_ALIGN(cp->hq_size) / PAGE_SIZE;
+	hq_bds = pages * (PAGE_SIZE / BNX2X_ISCSI_HQ_BD_SIZE);
+	cp->num_cqs = req1->num_cqs;
+
+	if (!dev->max_iscsi_conn)
+		return 0;
+
+	/* init Tstorm RAM */
+	CNIC_WR16(dev, BAR_TSTRORM_INTMEM + TSTORM_ISCSI_RQ_SIZE_OFFSET(func),
+		  req1->rq_num_wqes);
+	CNIC_WR16(dev, BAR_TSTRORM_INTMEM + TSTORM_ISCSI_PAGE_SIZE_OFFSET(func),
+		  PAGE_SIZE);
+	CNIC_WR8(dev, BAR_TSTRORM_INTMEM +
+		 TSTORM_ISCSI_PAGE_SIZE_LOG_OFFSET(func), PAGE_SHIFT);
+	CNIC_WR16(dev, BAR_TSTRORM_INTMEM +
+		  TSTORM_ISCSI_NUM_OF_TASKS_OFFSET(func),
+		  req1->num_tasks_per_conn);
+
+	/* init Ustorm RAM */
+	CNIC_WR16(dev, BAR_USTRORM_INTMEM +
+		  USTORM_ISCSI_RQ_BUFFER_SIZE_OFFSET(func),
+		  req1->rq_buffer_size);
+	CNIC_WR16(dev, BAR_USTRORM_INTMEM + USTORM_ISCSI_PAGE_SIZE_OFFSET(func),
+		  PAGE_SIZE);
+	CNIC_WR8(dev, BAR_USTRORM_INTMEM +
+		 USTORM_ISCSI_PAGE_SIZE_LOG_OFFSET(func), PAGE_SHIFT);
+	CNIC_WR16(dev, BAR_USTRORM_INTMEM +
+		  USTORM_ISCSI_NUM_OF_TASKS_OFFSET(func),
+		  req1->num_tasks_per_conn);
+	CNIC_WR16(dev, BAR_USTRORM_INTMEM + USTORM_ISCSI_RQ_SIZE_OFFSET(func),
+		  req1->rq_num_wqes);
+	CNIC_WR16(dev, BAR_USTRORM_INTMEM + USTORM_ISCSI_CQ_SIZE_OFFSET(func),
+		  req1->cq_num_wqes);
+	CNIC_WR16(dev, BAR_USTRORM_INTMEM + USTORM_ISCSI_R2TQ_SIZE_OFFSET(func),
+		  cp->num_iscsi_tasks * BNX2X_ISCSI_MAX_PENDING_R2TS);
+
+	/* init Xstorm RAM */
+	CNIC_WR16(dev, BAR_XSTRORM_INTMEM + XSTORM_ISCSI_PAGE_SIZE_OFFSET(func),
+		  PAGE_SIZE);
+	CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
+		 XSTORM_ISCSI_PAGE_SIZE_LOG_OFFSET(func), PAGE_SHIFT);
+	CNIC_WR16(dev, BAR_XSTRORM_INTMEM +
+		  XSTORM_ISCSI_NUM_OF_TASKS_OFFSET(func),
+		  req1->num_tasks_per_conn);
+	CNIC_WR16(dev, BAR_XSTRORM_INTMEM + XSTORM_ISCSI_HQ_SIZE_OFFSET(func),
+		  hq_bds);
+	CNIC_WR16(dev, BAR_XSTRORM_INTMEM + XSTORM_ISCSI_SQ_SIZE_OFFSET(func),
+		  req1->num_tasks_per_conn);
+	CNIC_WR16(dev, BAR_XSTRORM_INTMEM + XSTORM_ISCSI_R2TQ_SIZE_OFFSET(func),
+		  cp->num_iscsi_tasks * BNX2X_ISCSI_MAX_PENDING_R2TS);
+
+	/* init Cstorm RAM */
+	CNIC_WR16(dev, BAR_CSTRORM_INTMEM + CSTORM_ISCSI_PAGE_SIZE_OFFSET(func),
+		  PAGE_SIZE);
+	CNIC_WR8(dev, BAR_CSTRORM_INTMEM +
+		 CSTORM_ISCSI_PAGE_SIZE_LOG_OFFSET(func), PAGE_SHIFT);
+	CNIC_WR16(dev, BAR_CSTRORM_INTMEM +
+		  CSTORM_ISCSI_NUM_OF_TASKS_OFFSET(func),
+		  req1->num_tasks_per_conn);
+	CNIC_WR16(dev, BAR_CSTRORM_INTMEM + CSTORM_ISCSI_CQ_SIZE_OFFSET(func),
+		  req1->cq_num_wqes);
+	CNIC_WR16(dev, BAR_CSTRORM_INTMEM + CSTORM_ISCSI_HQ_SIZE_OFFSET(func),
+		  hq_bds);
+
+	return 0;
+}
+
+static int cnic_bnx2x_iscsi_init2(struct cnic_dev *dev, struct kwqe *kwqe)
+{
+	struct iscsi_kwqe_init2 *req2 = (struct iscsi_kwqe_init2 *) kwqe;
+	struct cnic_local *cp = dev->cnic_priv;
+	int func = cp->func;
+	struct iscsi_kcqe kcqe;
+	struct kcqe *cqes[1];
+
+	memset(&kcqe, 0, sizeof(kcqe));
+	if (!dev->max_iscsi_conn) {
+		kcqe.completion_status =
+			ISCSI_KCQE_COMPLETION_STATUS_ISCSI_NOT_SUPPORTED;
+		goto done;
+	}
+
+	CNIC_WR(dev, BAR_TSTRORM_INTMEM +
+		TSTORM_ISCSI_ERROR_BITMAP_OFFSET(func), req2->error_bit_map[0]);
+	CNIC_WR(dev, BAR_TSTRORM_INTMEM +
+		TSTORM_ISCSI_ERROR_BITMAP_OFFSET(func) + 4,
+		req2->error_bit_map[1]);
+
+	CNIC_WR16(dev, BAR_USTRORM_INTMEM +
+		  USTORM_ISCSI_CQ_SQN_SIZE_OFFSET(func), req2->max_cq_sqn);
+	CNIC_WR(dev, BAR_USTRORM_INTMEM +
+		USTORM_ISCSI_ERROR_BITMAP_OFFSET(func), req2->error_bit_map[0]);
+	CNIC_WR(dev, BAR_USTRORM_INTMEM +
+		USTORM_ISCSI_ERROR_BITMAP_OFFSET(func) + 4,
+		req2->error_bit_map[1]);
+
+	CNIC_WR16(dev, BAR_CSTRORM_INTMEM +
+		  CSTORM_ISCSI_CQ_SQN_SIZE_OFFSET(func), req2->max_cq_sqn);
+
+	kcqe.completion_status = ISCSI_KCQE_COMPLETION_STATUS_SUCCESS;
+
+done:
+	kcqe.op_code = ISCSI_KCQE_OPCODE_INIT;
+	cqes[0] = (struct kcqe *) &kcqe;
+	cnic_reply_bnx2x_kcqes(dev, CNIC_ULP_ISCSI, cqes, 1);
+
+	return 0;
+}
+
+static void cnic_free_bnx2x_conn_resc(struct cnic_dev *dev, u32 l5_cid)
+{
+	struct cnic_local *cp = dev->cnic_priv;
+	struct cnic_context *ctx = &cp->ctx_tbl[l5_cid];
+
+	if (ctx->ulp_proto_id == CNIC_ULP_ISCSI) {
+		struct cnic_iscsi *iscsi = ctx->proto.iscsi;
+
+		cnic_free_dma(dev, &iscsi->hq_info);
+		cnic_free_dma(dev, &iscsi->r2tq_info);
+		cnic_free_dma(dev, &iscsi->task_array_info);
+	}
+	cnic_free_id(&cp->cid_tbl, ctx->cid);
+	ctx->cid = 0;
+}
+
+static int cnic_alloc_bnx2x_conn_resc(struct cnic_dev *dev, u32 l5_cid)
+{
+	u32 cid;
+	int ret, pages;
+	struct cnic_local *cp = dev->cnic_priv;
+	struct cnic_context *ctx = &cp->ctx_tbl[l5_cid];
+	struct cnic_iscsi *iscsi = ctx->proto.iscsi;
+
+	cid = cnic_alloc_new_id(&cp->cid_tbl);
+	if (cid == -1) {
+		ret = -ENOMEM;
+		goto error;
+	}
+
+	ctx->cid = cid;
+	pages = PAGE_ALIGN(cp->task_array_size) / PAGE_SIZE;
+
+	ret = cnic_alloc_dma(dev, &iscsi->task_array_info, pages, 1);
+	if (ret)
+		goto error;
+
+	pages = PAGE_ALIGN(cp->r2tq_size) / PAGE_SIZE;
+	ret = cnic_alloc_dma(dev, &iscsi->r2tq_info, pages, 1);
+	if (ret)
+		goto error;
+
+	pages = PAGE_ALIGN(cp->hq_size) / PAGE_SIZE;
+	ret = cnic_alloc_dma(dev, &iscsi->hq_info, pages, 1);
+	if (ret)
+		goto error;
+
+	return 0;
+
+error:
+	cnic_free_bnx2x_conn_resc(dev, l5_cid);
+	return ret;
+}
+
+static void *cnic_get_bnx2x_ctx(struct cnic_dev *dev, u32 cid, int init,
+				struct regpair *ctx_addr)
+{
+	struct cnic_local *cp = dev->cnic_priv;
+	struct cnic_eth_dev *ethdev = cp->ethdev;
+	int blk = (cid - ethdev->starting_cid) / cp->cids_per_blk;
+	int off = (cid - ethdev->starting_cid) % cp->cids_per_blk;
+	unsigned long align_off = 0;
+	dma_addr_t ctx_map;
+	void *ctx;
+
+	if (cp->ctx_align) {
+		unsigned long mask = cp->ctx_align - 1;
+
+		if (cp->ctx_arr[blk].mapping & mask)
+			align_off = cp->ctx_align -
+				    (cp->ctx_arr[blk].mapping & mask);
+	}
+	ctx_map = cp->ctx_arr[blk].mapping + align_off +
+		(off * BNX2X_CONTEXT_MEM_SIZE);
+	ctx = cp->ctx_arr[blk].ctx + align_off +
+	      (off * BNX2X_CONTEXT_MEM_SIZE);
+	if (init)
+		memset(ctx, 0, BNX2X_CONTEXT_MEM_SIZE);
+
+	ctx_addr->lo = ctx_map & 0xffffffff;
+	ctx_addr->hi = (u64) ctx_map >> 32;
+	return ctx;
+}
+
+static int cnic_setup_bnx2x_ctx(struct cnic_dev *dev, struct kwqe *wqes[],
+				u32 num)
+{
+	struct cnic_local *cp = dev->cnic_priv;
+	struct iscsi_kwqe_conn_offload1 *req1 =
+			(struct iscsi_kwqe_conn_offload1 *) wqes[0];
+	struct iscsi_kwqe_conn_offload2 *req2 =
+			(struct iscsi_kwqe_conn_offload2 *) wqes[1];
+	struct iscsi_kwqe_conn_offload3 *req3;
+	struct cnic_context *ctx = &cp->ctx_tbl[req1->iscsi_conn_id];
+	struct cnic_iscsi *iscsi = ctx->proto.iscsi;
+	u32 cid = ctx->cid;
+	u32 hw_cid = BNX2X_HW_CID(cid, cp->func);
+	struct iscsi_context *ictx;
+	struct regpair context_addr;
+	int i, j, n = 2, n_max;
+
+	ctx->ctx_flags = 0;
+	if (!req2->num_additional_wqes)
+		return -EINVAL;
+
+	n_max = req2->num_additional_wqes + 2;
+
+	ictx = cnic_get_bnx2x_ctx(dev, cid, 1, &context_addr);
+	if (ictx == NULL)
+		return -ENOMEM;
+
+	req3 = (struct iscsi_kwqe_conn_offload3 *) wqes[n++];
+
+	ictx->xstorm_ag_context.hq_prod = 1;
+
+	ictx->xstorm_st_context.iscsi.first_burst_length =
+		ISCSI_DEF_FIRST_BURST_LEN;
+	ictx->xstorm_st_context.iscsi.max_send_pdu_length =
+		ISCSI_DEF_MAX_RECV_SEG_LEN;
+	ictx->xstorm_st_context.iscsi.sq_pbl_base.lo =
+		req1->sq_page_table_addr_lo;
+	ictx->xstorm_st_context.iscsi.sq_pbl_base.hi =
+		req1->sq_page_table_addr_hi;
+	ictx->xstorm_st_context.iscsi.sq_curr_pbe.lo = req2->sq_first_pte.hi;
+	ictx->xstorm_st_context.iscsi.sq_curr_pbe.hi = req2->sq_first_pte.lo;
+	ictx->xstorm_st_context.iscsi.hq_pbl_base.lo =
+		iscsi->hq_info.pgtbl_map & 0xffffffff;
+	ictx->xstorm_st_context.iscsi.hq_pbl_base.hi =
+		(u64) iscsi->hq_info.pgtbl_map >> 32;
+	ictx->xstorm_st_context.iscsi.hq_curr_pbe_base.lo =
+		iscsi->hq_info.pgtbl[0];
+	ictx->xstorm_st_context.iscsi.hq_curr_pbe_base.hi =
+		iscsi->hq_info.pgtbl[1];
+	ictx->xstorm_st_context.iscsi.r2tq_pbl_base.lo =
+		iscsi->r2tq_info.pgtbl_map & 0xffffffff;
+	ictx->xstorm_st_context.iscsi.r2tq_pbl_base.hi =
+		(u64) iscsi->r2tq_info.pgtbl_map >> 32;
+	ictx->xstorm_st_context.iscsi.r2tq_curr_pbe_base.lo =
+		iscsi->r2tq_info.pgtbl[0];
+	ictx->xstorm_st_context.iscsi.r2tq_curr_pbe_base.hi =
+		iscsi->r2tq_info.pgtbl[1];
+	ictx->xstorm_st_context.iscsi.task_pbl_base.lo =
+		iscsi->task_array_info.pgtbl_map & 0xffffffff;
+	ictx->xstorm_st_context.iscsi.task_pbl_base.hi =
+		(u64) iscsi->task_array_info.pgtbl_map >> 32;
+	ictx->xstorm_st_context.iscsi.task_pbl_cache_idx =
+		BNX2X_ISCSI_PBL_NOT_CACHED;
+	ictx->xstorm_st_context.iscsi.flags.flags |=
+		XSTORM_ISCSI_CONTEXT_FLAGS_B_IMMEDIATE_DATA;
+	ictx->xstorm_st_context.iscsi.flags.flags |=
+		XSTORM_ISCSI_CONTEXT_FLAGS_B_INITIAL_R2T;
+
+	ictx->tstorm_st_context.iscsi.hdr_bytes_2_fetch = ISCSI_HEADER_SIZE;
+	/* TSTORM requires the base address of RQ DB & not PTE */
+	ictx->tstorm_st_context.iscsi.rq_db_phy_addr.lo =
+		req2->rq_page_table_addr_lo & PAGE_MASK;
+	ictx->tstorm_st_context.iscsi.rq_db_phy_addr.hi =
+		req2->rq_page_table_addr_hi;
+	ictx->tstorm_st_context.iscsi.iscsi_conn_id = req1->iscsi_conn_id;
+	ictx->tstorm_st_context.tcp.cwnd = 0x5A8;
+	ictx->tstorm_st_context.tcp.flags2 |=
+		TSTORM_TCP_ST_CONTEXT_SECTION_DA_EN;
+
+	ictx->timers_context.flags |= ISCSI_TIMERS_BLOCK_CONTEXT_CONN_VALID_FLG;
+
+	ictx->ustorm_st_context.ring.rq.pbl_base.lo =
+		req2->rq_page_table_addr_lo & 0xffffffff;
+	ictx->ustorm_st_context.ring.rq.pbl_base.hi =
+		(u64) req2->rq_page_table_addr_hi >> 32;
+	ictx->ustorm_st_context.ring.rq.curr_pbe.lo = req3->qp_first_pte[0].hi;
+	ictx->ustorm_st_context.ring.rq.curr_pbe.hi = req3->qp_first_pte[0].lo;
+	ictx->ustorm_st_context.ring.r2tq.pbl_base.lo =
+		iscsi->r2tq_info.pgtbl_map & 0xffffffff;
+	ictx->ustorm_st_context.ring.r2tq.pbl_base.hi =
+		(u64) iscsi->r2tq_info.pgtbl_map >> 32;
+	ictx->ustorm_st_context.ring.r2tq.curr_pbe.lo =
+		iscsi->r2tq_info.pgtbl[0];
+	ictx->ustorm_st_context.ring.r2tq.curr_pbe.hi =
+		iscsi->r2tq_info.pgtbl[1];
+	ictx->ustorm_st_context.ring.cq_pbl_base.lo =
+		req1->cq_page_table_addr_lo;
+	ictx->ustorm_st_context.ring.cq_pbl_base.hi =
+		req1->cq_page_table_addr_hi;
+	ictx->ustorm_st_context.ring.cq[0].cq_sn = ISCSI_INITIAL_SN;
+	ictx->ustorm_st_context.ring.cq[0].curr_pbe.lo = req2->cq_first_pte.hi;
+	ictx->ustorm_st_context.ring.cq[0].curr_pbe.hi = req2->cq_first_pte.lo;
+	ictx->ustorm_st_context.task_pbe_cache_index =
+		BNX2X_ISCSI_PBL_NOT_CACHED;
+	ictx->ustorm_st_context.task_pdu_cache_index =
+		BNX2X_ISCSI_PDU_HEADER_NOT_CACHED;
+
+	for (i = 1, j = 1; i < cp->num_cqs; i++, j++) {
+		if (j == 3) {
+			if (n >= n_max)
+				break;
+			req3 = (struct iscsi_kwqe_conn_offload3 *) wqes[n++];
+			j = 0;
+		}
+		ictx->ustorm_st_context.ring.cq[i].cq_sn = ISCSI_INITIAL_SN;
+		ictx->ustorm_st_context.ring.cq[i].curr_pbe.lo =
+			req3->qp_first_pte[j].hi;
+		ictx->ustorm_st_context.ring.cq[i].curr_pbe.hi =
+			req3->qp_first_pte[j].lo;
+	}
+
+	ictx->ustorm_st_context.task_pbl_base.lo =
+		iscsi->task_array_info.pgtbl_map & 0xffffffff;
+	ictx->ustorm_st_context.task_pbl_base.hi =
+		(u64) iscsi->task_array_info.pgtbl_map >> 32;
+	ictx->ustorm_st_context.tce_phy_addr.lo =
+		iscsi->task_array_info.pgtbl[0];
+	ictx->ustorm_st_context.tce_phy_addr.hi =
+		iscsi->task_array_info.pgtbl[1];
+	ictx->ustorm_st_context.iscsi_conn_id = req1->iscsi_conn_id;
+	ictx->ustorm_st_context.num_cqs = cp->num_cqs;
+	ictx->ustorm_st_context.negotiated_rx |= ISCSI_DEF_MAX_RECV_SEG_LEN;
+	ictx->ustorm_st_context.negotiated_rx_and_flags |=
+		ISCSI_DEF_MAX_BURST_LEN;
+	ictx->ustorm_st_context.negotiated_rx |=
+		ISCSI_DEFAULT_MAX_OUTSTANDING_R2T <<
+		USTORM_ISCSI_ST_CONTEXT_MAX_OUTSTANDING_R2TS_SHIFT;
+
+	ictx->cstorm_st_context.hq_pbl_base.lo =
+		iscsi->hq_info.pgtbl_map & 0xffffffff;
+	ictx->cstorm_st_context.hq_pbl_base.hi =
+		(u64) iscsi->hq_info.pgtbl_map >> 32;
+	ictx->cstorm_st_context.hq_curr_pbe.lo = iscsi->hq_info.pgtbl[0];
+	ictx->cstorm_st_context.hq_curr_pbe.hi = iscsi->hq_info.pgtbl[1];
+	ictx->cstorm_st_context.task_pbl_base.lo =
+		iscsi->task_array_info.pgtbl_map & 0xffffffff;
+	ictx->cstorm_st_context.task_pbl_base.hi =
+		(u64) iscsi->task_array_info.pgtbl_map >> 32;
+	/* CSTORM and USTORM initialization is different, CSTORM requires
+	 * CQ DB base & not PTE addr */
+	ictx->cstorm_st_context.cq_db_base.lo =
+		req1->cq_page_table_addr_lo & PAGE_MASK;
+	ictx->cstorm_st_context.cq_db_base.hi = req1->cq_page_table_addr_hi;
+	ictx->cstorm_st_context.iscsi_conn_id = req1->iscsi_conn_id;
+	ictx->cstorm_st_context.cq_proc_en_bit_map = (1 << cp->num_cqs) - 1;
+	for (i = 0; i < cp->num_cqs; i++) {
+		ictx->cstorm_st_context.cq_c_prod_sqn_arr.sqn[i] =
+			ISCSI_INITIAL_SN;
+		ictx->cstorm_st_context.cq_c_sqn_2_notify_arr.sqn[i] =
+			ISCSI_INITIAL_SN;
+	}
+
+	ictx->xstorm_ag_context.cdu_reserved =
+		CDU_RSRVD_VALUE_TYPE_A(hw_cid, CDU_REGION_NUMBER_XCM_AG,
+				       ISCSI_CONNECTION_TYPE);
+	ictx->ustorm_ag_context.cdu_usage =
+		CDU_RSRVD_VALUE_TYPE_A(hw_cid, CDU_REGION_NUMBER_UCM_AG,
+				       ISCSI_CONNECTION_TYPE);
+	return 0;
+
+}
+
+static int cnic_bnx2x_iscsi_ofld1(struct cnic_dev *dev, struct kwqe *wqes[],
+				   u32 num, int *work)
+{
+	struct iscsi_kwqe_conn_offload1 *req1;
+	struct iscsi_kwqe_conn_offload2 *req2;
+	struct cnic_local *cp = dev->cnic_priv;
+	struct iscsi_kcqe kcqe;
+	struct kcqe *cqes[1];
+	u32 l5_cid;
+	int ret;
+
+	if (num < 2) {
+		*work = num;
+		return -EINVAL;
+	}
+
+	req1 = (struct iscsi_kwqe_conn_offload1 *) wqes[0];
+	req2 = (struct iscsi_kwqe_conn_offload2 *) wqes[1];
+	if ((num - 2) < req2->num_additional_wqes) {
+		*work = num;
+		return -EINVAL;
+	}
+	*work = 2 + req2->num_additional_wqes;;
+
+	l5_cid = req1->iscsi_conn_id;
+	if (l5_cid >= MAX_ISCSI_TBL_SZ)
+		return -EINVAL;
+
+	memset(&kcqe, 0, sizeof(kcqe));
+	kcqe.op_code = ISCSI_KCQE_OPCODE_OFFLOAD_CONN;
+	kcqe.iscsi_conn_id = l5_cid;
+	kcqe.completion_status = ISCSI_KCQE_COMPLETION_STATUS_CTX_ALLOC_FAILURE;
+
+	if (atomic_inc_return(&cp->iscsi_conn) > dev->max_iscsi_conn) {
+		atomic_dec(&cp->iscsi_conn);
+		ret = 0;
+		goto done;
+	}
+	ret = cnic_alloc_bnx2x_conn_resc(dev, l5_cid);
+	if (ret) {
+		atomic_dec(&cp->iscsi_conn);
+		ret = 0;
+		goto done;
+	}
+	ret = cnic_setup_bnx2x_ctx(dev, wqes, num);
+	if (ret < 0) {
+		cnic_free_bnx2x_conn_resc(dev, l5_cid);
+		atomic_dec(&cp->iscsi_conn);
+		goto done;
+	}
+
+	kcqe.completion_status = ISCSI_KCQE_COMPLETION_STATUS_SUCCESS;
+	kcqe.iscsi_conn_context_id = BNX2X_HW_CID(cp->ctx_tbl[l5_cid].cid,
+						  cp->func);
+
+done:
+	cqes[0] = (struct kcqe *) &kcqe;
+	cnic_reply_bnx2x_kcqes(dev, CNIC_ULP_ISCSI, cqes, 1);
+	return ret;
+}
+
+
+static int cnic_bnx2x_iscsi_update(struct cnic_dev *dev, struct kwqe *kwqe)
+{
+	struct cnic_local *cp = dev->cnic_priv;
+	struct iscsi_kwqe_conn_update *req =
+		(struct iscsi_kwqe_conn_update *) kwqe;
+	void *data;
+	union l5cm_specific_data l5_data;
+	u32 l5_cid, cid = BNX2X_SW_CID(req->context_id);
+	int ret;
+
+	if (cnic_get_l5_cid(cp, cid, &l5_cid) != 0)
+		return -EINVAL;
+
+	data = cnic_get_kwqe_16_data(cp, l5_cid, &l5_data);
+	if (!data)
+		return -ENOMEM;
+
+	memcpy(data, kwqe, sizeof(struct kwqe));
+
+	ret = cnic_submit_kwqe_16(dev, ISCSI_RAMROD_CMD_ID_UPDATE_CONN,
+			req->context_id, ISCSI_CONNECTION_TYPE, &l5_data);
+	return ret;
+}
+
+static int cnic_bnx2x_iscsi_destroy(struct cnic_dev *dev, struct kwqe *kwqe)
+{
+	struct cnic_local *cp = dev->cnic_priv;
+	struct iscsi_kwqe_conn_destroy *req =
+		(struct iscsi_kwqe_conn_destroy *) kwqe;
+	union l5cm_specific_data l5_data;
+	u32 l5_cid = req->reserved0;
+	struct cnic_context *ctx = &cp->ctx_tbl[l5_cid];
+	int ret = 0;
+	struct iscsi_kcqe kcqe;
+	struct kcqe *cqes[1];
+
+	if (!(ctx->ctx_flags & CTX_FL_OFFLD_START))
+		goto skip_cfc_delete;
+
+	while (!time_after(jiffies, ctx->timestamp + (2 * HZ)))
+		msleep(250);
+
+	init_waitqueue_head(&ctx->waitq);
+	ctx->wait_cond = 0;
+	memset(&l5_data, 0, sizeof(l5_data));
+	ret = cnic_submit_kwqe_16(dev, RAMROD_CMD_ID_ETH_CFC_DEL,
+				  req->context_id,
+				  ETH_CONNECTION_TYPE |
+				  (1 << SPE_HDR_COMMON_RAMROD_SHIFT),
+				  &l5_data);
+	if (ret == 0)
+		wait_event(ctx->waitq, ctx->wait_cond);
+
+skip_cfc_delete:
+	cnic_free_bnx2x_conn_resc(dev, l5_cid);
+
+	atomic_dec(&cp->iscsi_conn);
+
+	memset(&kcqe, 0, sizeof(kcqe));
+	kcqe.op_code = ISCSI_KCQE_OPCODE_DESTROY_CONN;
+	kcqe.iscsi_conn_id = l5_cid;
+	kcqe.completion_status = ISCSI_KCQE_COMPLETION_STATUS_SUCCESS;
+	kcqe.iscsi_conn_context_id = req->context_id;
+
+	cqes[0] = (struct kcqe *) &kcqe;
+	cnic_reply_bnx2x_kcqes(dev, CNIC_ULP_ISCSI, cqes, 1);
+
+	return ret;
+}
+
+static void cnic_init_storm_conn_bufs(struct cnic_dev *dev,
+				      struct l4_kwq_connect_req1 *kwqe1,
+				      struct l4_kwq_connect_req3 *kwqe3,
+				      struct l5cm_active_conn_buffer *conn_buf)
+{
+	struct l5cm_conn_addr_params *conn_addr = &conn_buf->conn_addr_buf;
+	struct l5cm_xstorm_conn_buffer *xstorm_buf =
+		&conn_buf->xstorm_conn_buffer;
+	struct l5cm_tstorm_conn_buffer *tstorm_buf =
+		&conn_buf->tstorm_conn_buffer;
+	struct regpair context_addr;
+	u32 cid = BNX2X_SW_CID(kwqe1->cid);
+	struct in6_addr src_ip, dst_ip;
+	int i;
+	u32 *addrp;
+
+	addrp = (u32 *) &conn_addr->local_ip_addr;
+	for (i = 0; i < 4; i++, addrp++)
+		src_ip.in6_u.u6_addr32[i] = cpu_to_be32(*addrp);
+
+	addrp = (u32 *) &conn_addr->remote_ip_addr;
+	for (i = 0; i < 4; i++, addrp++)
+		dst_ip.in6_u.u6_addr32[i] = cpu_to_be32(*addrp);
+
+	cnic_get_bnx2x_ctx(dev, cid, 0, &context_addr);
+
+	xstorm_buf->context_addr.hi = context_addr.hi;
+	xstorm_buf->context_addr.lo = context_addr.lo;
+	xstorm_buf->mss = 0xffff;
+	xstorm_buf->rcv_buf = kwqe3->rcv_buf;
+	if (kwqe1->tcp_flags & L4_KWQ_CONNECT_REQ1_NAGLE_ENABLE)
+		xstorm_buf->params |= L5CM_XSTORM_CONN_BUFFER_NAGLE_ENABLE;
+	xstorm_buf->pseudo_header_checksum =
+		swab16(~csum_ipv6_magic(&src_ip, &dst_ip, 0, IPPROTO_TCP, 0));
+
+	if (!(kwqe1->tcp_flags & L4_KWQ_CONNECT_REQ1_NO_DELAY_ACK))
+		tstorm_buf->params |=
+			L5CM_TSTORM_CONN_BUFFER_DELAYED_ACK_ENABLE;
+	if (kwqe3->ka_timeout) {
+		tstorm_buf->ka_enable = 1;
+		tstorm_buf->ka_timeout = kwqe3->ka_timeout;
+		tstorm_buf->ka_interval = kwqe3->ka_interval;
+		tstorm_buf->ka_max_probe_count = kwqe3->ka_max_probe_count;
+	}
+	tstorm_buf->rcv_buf = kwqe3->rcv_buf;
+	tstorm_buf->snd_buf = kwqe3->snd_buf;
+	tstorm_buf->max_rt_time = 0xffffffff;
+}
+
+static void cnic_init_bnx2x_mac(struct cnic_dev *dev)
+{
+	struct cnic_local *cp = dev->cnic_priv;
+	int func = CNIC_FUNC(cp);
+	u8 *mac = dev->mac_addr;
+
+	CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
+		 XSTORM_ISCSI_LOCAL_MAC_ADDR0_OFFSET(func), mac[0]);
+	CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
+		 XSTORM_ISCSI_LOCAL_MAC_ADDR1_OFFSET(func), mac[1]);
+	CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
+		 XSTORM_ISCSI_LOCAL_MAC_ADDR2_OFFSET(func), mac[2]);
+	CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
+		 XSTORM_ISCSI_LOCAL_MAC_ADDR3_OFFSET(func), mac[3]);
+	CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
+		 XSTORM_ISCSI_LOCAL_MAC_ADDR4_OFFSET(func), mac[4]);
+	CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
+		 XSTORM_ISCSI_LOCAL_MAC_ADDR5_OFFSET(func), mac[5]);
+
+	CNIC_WR8(dev, BAR_TSTRORM_INTMEM +
+		 TSTORM_ISCSI_TCP_VARS_LSB_LOCAL_MAC_ADDR_OFFSET(func), mac[5]);
+	CNIC_WR8(dev, BAR_TSTRORM_INTMEM +
+		 TSTORM_ISCSI_TCP_VARS_LSB_LOCAL_MAC_ADDR_OFFSET(func) + 1,
+		 mac[4]);
+	CNIC_WR8(dev, BAR_TSTRORM_INTMEM +
+		 TSTORM_ISCSI_TCP_VARS_MSB_LOCAL_MAC_ADDR_OFFSET(func), mac[3]);
+	CNIC_WR8(dev, BAR_TSTRORM_INTMEM +
+		 TSTORM_ISCSI_TCP_VARS_MSB_LOCAL_MAC_ADDR_OFFSET(func) + 1,
+		 mac[2]);
+	CNIC_WR8(dev, BAR_TSTRORM_INTMEM +
+		 TSTORM_ISCSI_TCP_VARS_MSB_LOCAL_MAC_ADDR_OFFSET(func) + 2,
+		 mac[1]);
+	CNIC_WR8(dev, BAR_TSTRORM_INTMEM +
+		 TSTORM_ISCSI_TCP_VARS_MSB_LOCAL_MAC_ADDR_OFFSET(func) + 3,
+		 mac[0]);
+}
+
+static void cnic_bnx2x_set_tcp_timestamp(struct cnic_dev *dev, int tcp_ts)
+{
+	struct cnic_local *cp = dev->cnic_priv;
+	u8 xstorm_flags = XSTORM_L5CM_TCP_FLAGS_WND_SCL_EN;
+	u16 tstorm_flags = 0;
+
+	if (tcp_ts) {
+		xstorm_flags |= XSTORM_L5CM_TCP_FLAGS_TS_ENABLED;
+		tstorm_flags |= TSTORM_L5CM_TCP_FLAGS_TS_ENABLED;
+	}
+
+	CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
+		 XSTORM_ISCSI_TCP_VARS_FLAGS_OFFSET(cp->func), xstorm_flags);
+
+	CNIC_WR16(dev, BAR_TSTRORM_INTMEM +
+		  TSTORM_ISCSI_TCP_VARS_FLAGS_OFFSET(cp->func), tstorm_flags);
+}
+
+static int cnic_bnx2x_connect(struct cnic_dev *dev, struct kwqe *wqes[],
+			      u32 num, int *work)
+{
+	struct cnic_local *cp = dev->cnic_priv;
+	struct l4_kwq_connect_req1 *kwqe1 =
+		(struct l4_kwq_connect_req1 *) wqes[0];
+	struct l4_kwq_connect_req3 *kwqe3;
+	struct l5cm_active_conn_buffer *conn_buf;
+	struct l5cm_conn_addr_params *conn_addr;
+	union l5cm_specific_data l5_data;
+	u32 l5_cid = kwqe1->pg_cid;
+	struct cnic_sock *csk = &cp->csk_tbl[l5_cid];
+	struct cnic_context *ctx = &cp->ctx_tbl[l5_cid];
+	int ret;
+
+	if (num < 2) {
+		*work = num;
+		return -EINVAL;
+	}
+
+	if (kwqe1->conn_flags & L4_KWQ_CONNECT_REQ1_IP_V6)
+		*work = 3;
+	else
+		*work = 2;
+
+	if (num < *work) {
+		*work = num;
+		return -EINVAL;
+	}
+
+	if (sizeof(*conn_buf) > CNIC_KWQ16_DATA_SIZE) {
+		printk(KERN_ERR PFX "%s: conn_buf size too big\n",
+			       dev->netdev->name);
+		return -ENOMEM;
+	}
+	conn_buf = cnic_get_kwqe_16_data(cp, l5_cid, &l5_data);
+	if (!conn_buf)
+		return -ENOMEM;
+
+	memset(conn_buf, 0, sizeof(*conn_buf));
+
+	conn_addr = &conn_buf->conn_addr_buf;
+	conn_addr->remote_addr_0 = csk->ha[0];
+	conn_addr->remote_addr_1 = csk->ha[1];
+	conn_addr->remote_addr_2 = csk->ha[2];
+	conn_addr->remote_addr_3 = csk->ha[3];
+	conn_addr->remote_addr_4 = csk->ha[4];
+	conn_addr->remote_addr_5 = csk->ha[5];
+
+	if (kwqe1->conn_flags & L4_KWQ_CONNECT_REQ1_IP_V6) {
+		struct l4_kwq_connect_req2 *kwqe2 =
+			(struct l4_kwq_connect_req2 *) wqes[1];
+
+		conn_addr->local_ip_addr.ip_addr_hi_hi = kwqe2->src_ip_v6_4;
+		conn_addr->local_ip_addr.ip_addr_hi_lo = kwqe2->src_ip_v6_3;
+		conn_addr->local_ip_addr.ip_addr_lo_hi = kwqe2->src_ip_v6_2;
+
+		conn_addr->remote_ip_addr.ip_addr_hi_hi = kwqe2->dst_ip_v6_4;
+		conn_addr->remote_ip_addr.ip_addr_hi_lo = kwqe2->dst_ip_v6_3;
+		conn_addr->remote_ip_addr.ip_addr_lo_hi = kwqe2->dst_ip_v6_2;
+		conn_addr->params |= L5CM_CONN_ADDR_PARAMS_IP_VERSION;
+	}
+	kwqe3 = (struct l4_kwq_connect_req3 *) wqes[*work - 1];
+
+	conn_addr->local_ip_addr.ip_addr_lo_lo = kwqe1->src_ip;
+	conn_addr->remote_ip_addr.ip_addr_lo_lo = kwqe1->dst_ip;
+	conn_addr->local_tcp_port = kwqe1->src_port;
+	conn_addr->remote_tcp_port = kwqe1->dst_port;
+
+	conn_addr->pmtu = kwqe3->pmtu;
+	cnic_init_storm_conn_bufs(dev, kwqe1, kwqe3, conn_buf);
+
+	CNIC_WR16(dev, BAR_XSTRORM_INTMEM +
+		  XSTORM_ISCSI_LOCAL_VLAN_OFFSET(cp->func), csk->vlan_id);
+
+	cnic_bnx2x_set_tcp_timestamp(dev,
+		kwqe1->tcp_flags & L4_KWQ_CONNECT_REQ1_TIME_STAMP);
+
+	ret = cnic_submit_kwqe_16(dev, L5CM_RAMROD_CMD_ID_TCP_CONNECT,
+			kwqe1->cid, ISCSI_CONNECTION_TYPE, &l5_data);
+	if (!ret)
+		ctx->ctx_flags |= CTX_FL_OFFLD_START;
+
+	return ret;
+}
+
+static int cnic_bnx2x_close(struct cnic_dev *dev, struct kwqe *kwqe)
+{
+	struct l4_kwq_close_req *req = (struct l4_kwq_close_req *) kwqe;
+	union l5cm_specific_data l5_data;
+	int ret;
+
+	memset(&l5_data, 0, sizeof(l5_data));
+	ret = cnic_submit_kwqe_16(dev, L5CM_RAMROD_CMD_ID_CLOSE,
+			req->cid, ISCSI_CONNECTION_TYPE, &l5_data);
+	return ret;
+}
+
+static int cnic_bnx2x_reset(struct cnic_dev *dev, struct kwqe *kwqe)
+{
+	struct l4_kwq_reset_req *req = (struct l4_kwq_reset_req *) kwqe;
+	union l5cm_specific_data l5_data;
+	int ret;
+
+	memset(&l5_data, 0, sizeof(l5_data));
+	ret = cnic_submit_kwqe_16(dev, L5CM_RAMROD_CMD_ID_ABORT,
+			req->cid, ISCSI_CONNECTION_TYPE, &l5_data);
+	return ret;
+}
+static int cnic_bnx2x_offload_pg(struct cnic_dev *dev, struct kwqe *kwqe)
+{
+	struct l4_kwq_offload_pg *req = (struct l4_kwq_offload_pg *) kwqe;
+	struct l4_kcq kcqe;
+	struct kcqe *cqes[1];
+
+	memset(&kcqe, 0, sizeof(kcqe));
+	kcqe.pg_host_opaque = req->host_opaque;
+	kcqe.pg_cid = req->host_opaque;
+	kcqe.op_code = L4_KCQE_OPCODE_VALUE_OFFLOAD_PG;
+	cqes[0] = (struct kcqe *) &kcqe;
+	cnic_reply_bnx2x_kcqes(dev, CNIC_ULP_L4, cqes, 1);
+	return 0;
+}
+
+static int cnic_bnx2x_update_pg(struct cnic_dev *dev, struct kwqe *kwqe)
+{
+	struct l4_kwq_update_pg *req = (struct l4_kwq_update_pg *) kwqe;
+	struct l4_kcq kcqe;
+	struct kcqe *cqes[1];
+
+	memset(&kcqe, 0, sizeof(kcqe));
+	kcqe.pg_host_opaque = req->pg_host_opaque;
+	kcqe.pg_cid = req->pg_cid;
+	kcqe.op_code = L4_KCQE_OPCODE_VALUE_UPDATE_PG;
+	cqes[0] = (struct kcqe *) &kcqe;
+	cnic_reply_bnx2x_kcqes(dev, CNIC_ULP_L4, cqes, 1);
+	return 0;
+}
+
+static int cnic_submit_bnx2x_kwqes(struct cnic_dev *dev, struct kwqe *wqes[],
+				   u32 num_wqes)
+{
+	int i, work, ret;
+	u32 opcode;
+	struct kwqe *kwqe;
+
+	if (!test_bit(CNIC_F_CNIC_UP, &dev->flags))
+		return -EAGAIN;		/* bnx2 is down */
+
+	for (i = 0; i < num_wqes; ) {
+		kwqe = wqes[i];
+		opcode = KWQE_OPCODE(kwqe->kwqe_op_flag);
+		work = 1;
+
+		switch (opcode) {
+		case ISCSI_KWQE_OPCODE_INIT1:
+			ret = cnic_bnx2x_iscsi_init1(dev, kwqe);
+			break;
+		case ISCSI_KWQE_OPCODE_INIT2:
+			ret = cnic_bnx2x_iscsi_init2(dev, kwqe);
+			break;
+		case ISCSI_KWQE_OPCODE_OFFLOAD_CONN1:
+			ret = cnic_bnx2x_iscsi_ofld1(dev, &wqes[i],
+						     num_wqes - i, &work);
+			break;
+		case ISCSI_KWQE_OPCODE_UPDATE_CONN:
+			ret = cnic_bnx2x_iscsi_update(dev, kwqe);
+			break;
+		case ISCSI_KWQE_OPCODE_DESTROY_CONN:
+			ret = cnic_bnx2x_iscsi_destroy(dev, kwqe);
+			break;
+		case L4_KWQE_OPCODE_VALUE_CONNECT1:
+			ret = cnic_bnx2x_connect(dev, &wqes[i], num_wqes - i,
+						 &work);
+			break;
+		case L4_KWQE_OPCODE_VALUE_CLOSE:
+			ret = cnic_bnx2x_close(dev, kwqe);
+			break;
+		case L4_KWQE_OPCODE_VALUE_RESET:
+			ret = cnic_bnx2x_reset(dev, kwqe);
+			break;
+		case L4_KWQE_OPCODE_VALUE_OFFLOAD_PG:
+			ret = cnic_bnx2x_offload_pg(dev, kwqe);
+			break;
+		case L4_KWQE_OPCODE_VALUE_UPDATE_PG:
+			ret = cnic_bnx2x_update_pg(dev, kwqe);
+			break;
+		case L4_KWQE_OPCODE_VALUE_UPLOAD_PG:
+			ret = 0;
+			break;
+		default:
+			ret = 0;
+			printk(KERN_ERR PFX "%s: Unknown type of KWQE(0x%x)\n",
+			       dev->netdev->name, opcode);
+			break;
+		}
+		if (ret < 0)
+			printk(KERN_ERR PFX "%s: KWQE(0x%x) failed\n",
+			       dev->netdev->name, opcode);
+		i += work;
+	}
+	return 0;
+}
+
 static void service_kcqes(struct cnic_dev *dev, int num_cqes)
 {
 	struct cnic_local *cp = dev->cnic_priv;
@@ -995,13 +2085,29 @@ end:
 	return;
 }
 
-static u16 cnic_bnx2_next_idx(u16 idx)
+static u16 cnic_bnx2_next_idx(u16 idx)
+{
+	return idx + 1;
+}
+
+static u16 cnic_bnx2_hw_idx(u16 idx)
+{
+	return idx;
+}
+
+static u16 cnic_bnx2x_next_idx(u16 idx)
 {
-	return idx + 1;
+	idx++;
+	if ((idx & MAX_KCQE_CNT) == MAX_KCQE_CNT)
+		idx++;
+
+	return idx;
 }
 
-static u16 cnic_bnx2_hw_idx(u16 idx)
+static u16 cnic_bnx2x_hw_idx(u16 idx)
 {
+	if ((idx & MAX_KCQE_CNT) == MAX_KCQE_CNT)
+		idx++;
 	return idx;
 }
 
@@ -1038,6 +2144,7 @@ static void cnic_chk_pkt_rings(struct cnic_local *cp)
 	if (cp->tx_cons != tx_cons || cp->rx_cons != rx_cons) {
 		cp->tx_cons = tx_cons;
 		cp->rx_cons = rx_cons;
+
 		uio_event_notify(cp->cnic_uinfo);
 	}
 }
@@ -1143,6 +2250,91 @@ static irqreturn_t cnic_irq(int irq, void *dev_instance)
 	return IRQ_HANDLED;
 }
 
+static inline void cnic_ack_bnx2x_int(struct cnic_dev *dev, u8 id, u8 storm,
+				      u16 index, u8 op, u8 update)
+{
+	struct cnic_local *cp = dev->cnic_priv;
+	u32 hc_addr = (HC_REG_COMMAND_REG + CNIC_PORT(cp) * 32 +
+		       COMMAND_REG_INT_ACK);
+	struct igu_ack_register igu_ack;
+
+	igu_ack.status_block_index = index;
+	igu_ack.sb_id_and_flags =
+			((id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) |
+			 (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) |
+			 (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) |
+			 (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT));
+
+	CNIC_WR(dev, hc_addr, (*(u32 *)&igu_ack));
+}
+
+static void cnic_ack_bnx2x_msix(struct cnic_dev *dev)
+{
+	struct cnic_local *cp = dev->cnic_priv;
+
+	cnic_ack_bnx2x_int(dev, cp->status_blk_num, CSTORM_ID, 0,
+			   IGU_INT_DISABLE, 0);
+}
+
+static void cnic_service_bnx2x_bh(unsigned long data)
+{
+	struct cnic_dev *dev = (struct cnic_dev *) data;
+	struct cnic_local *cp = dev->cnic_priv;
+	u16 hw_prod, sw_prod;
+	struct cstorm_status_block_c *sblk =
+		&cp->bnx2x_status_blk->c_status_block;
+	u32 status_idx = sblk->status_block_index;
+	int kcqe_cnt;
+
+	if (unlikely(!test_bit(CNIC_F_CNIC_UP, &dev->flags)))
+		return;
+
+	hw_prod = sblk->index_values[HC_INDEX_C_ISCSI_EQ_CONS];
+	hw_prod = cp->hw_idx(hw_prod);
+	sw_prod = cp->kcq_prod_idx;
+	while (sw_prod != hw_prod) {
+		kcqe_cnt = cnic_get_kcqes(dev, hw_prod, &sw_prod);
+		if (kcqe_cnt == 0)
+			goto done;
+
+		service_kcqes(dev, kcqe_cnt);
+
+		/* Tell compiler that sblk fields can change. */
+		barrier();
+		if (status_idx == sblk->status_block_index)
+			break;
+
+		status_idx = sblk->status_block_index;
+		hw_prod = sblk->index_values[HC_INDEX_C_ISCSI_EQ_CONS];
+		hw_prod = cp->hw_idx(hw_prod);
+	}
+
+done:
+	CNIC_WR16(dev, cp->kcq_io_addr, sw_prod + MAX_KCQ_IDX);
+	cnic_ack_bnx2x_int(dev, cp->status_blk_num, CSTORM_ID,
+			   status_idx, IGU_INT_ENABLE, 1);
+
+	cp->kcq_prod_idx = sw_prod;
+	return;
+}
+
+static int cnic_service_bnx2x(void *data, void *status_blk)
+{
+	struct cnic_dev *dev = data;
+	struct cnic_local *cp = dev->cnic_priv;
+	u16 prod = cp->kcq_prod_idx & MAX_KCQ_IDX;
+
+	prefetch(cp->status_blk);
+	prefetch(&cp->kcq[KCQ_PG(prod)][KCQ_IDX(prod)]);
+
+	if (likely(test_bit(CNIC_F_CNIC_UP, &dev->flags)))
+		tasklet_schedule(&cp->cnic_irq_task);
+
+	cnic_chk_pkt_rings(cp);
+
+	return 0;
+}
+
 static void cnic_ulp_stop(struct cnic_dev *dev)
 {
 	struct cnic_local *cp = dev->cnic_priv;
@@ -1215,6 +2407,19 @@ static int cnic_ctl(void *data, struct cnic_ctl_info *info)
 
 		cnic_put(dev);
 		break;
+	case CNIC_CTL_COMPLETION_CMD: {
+		u32 cid = BNX2X_SW_CID(info->data.comp.cid);
+		u32 l5_cid;
+		struct cnic_local *cp = dev->cnic_priv;
+
+		if (cnic_get_l5_cid(cp, cid, &l5_cid) == 0) {
+			struct cnic_context *ctx = &cp->ctx_tbl[l5_cid];
+
+			ctx->wait_cond = 1;
+			wake_up(&ctx->waitq);
+		}
+		break;
+	}
 	default:
 		return -EINVAL;
 	}
@@ -1890,6 +3095,8 @@ static void cnic_cm_process_kcqe(struct cnic_dev *dev, struct kcqe *kcqe)
 		/* fall through */
 	case L4_KCQE_OPCODE_VALUE_CLOSE_COMP:
 	case L4_KCQE_OPCODE_VALUE_RESET_COMP:
+	case L5CM_RAMROD_CMD_ID_SEARCHER_DELETE:
+	case L5CM_RAMROD_CMD_ID_TERMINATE_OFFLOAD:
 		cp->close_conn(csk, opcode);
 		break;
 
@@ -1975,6 +3182,76 @@ static int cnic_cm_init_bnx2_hw(struct cnic_dev *dev)
 	return 0;
 }
 
+static void cnic_close_bnx2x_conn(struct cnic_sock *csk, u32 opcode)
+{
+	struct cnic_dev *dev = csk->dev;
+	struct cnic_local *cp = dev->cnic_priv;
+	struct cnic_context *ctx = &cp->ctx_tbl[csk->l5_cid];
+	union l5cm_specific_data l5_data;
+	u32 cmd = 0;
+	int close_complete = 0;
+
+	switch (opcode) {
+	case L4_KCQE_OPCODE_VALUE_RESET_RECEIVED:
+	case L4_KCQE_OPCODE_VALUE_CLOSE_COMP:
+	case L4_KCQE_OPCODE_VALUE_RESET_COMP:
+		if (cnic_ready_to_close(csk, opcode))
+			cmd = L5CM_RAMROD_CMD_ID_SEARCHER_DELETE;
+		break;
+	case L5CM_RAMROD_CMD_ID_SEARCHER_DELETE:
+		cmd = L5CM_RAMROD_CMD_ID_TERMINATE_OFFLOAD;
+		break;
+	case L5CM_RAMROD_CMD_ID_TERMINATE_OFFLOAD:
+		close_complete = 1;
+		break;
+	}
+	if (cmd) {
+		memset(&l5_data, 0, sizeof(l5_data));
+
+		cnic_submit_kwqe_16(dev, cmd, csk->cid, ISCSI_CONNECTION_TYPE,
+				    &l5_data);
+	} else if (close_complete) {
+		ctx->timestamp = jiffies;
+		cnic_close_conn(csk);
+		cnic_cm_upcall(cp, csk, csk->state);
+	}
+}
+
+static void cnic_cm_stop_bnx2x_hw(struct cnic_dev *dev)
+{
+}
+
+static int cnic_cm_init_bnx2x_hw(struct cnic_dev *dev)
+{
+	struct cnic_local *cp = dev->cnic_priv;
+	int func = CNIC_FUNC(cp);
+
+	cnic_init_bnx2x_mac(dev);
+	cnic_bnx2x_set_tcp_timestamp(dev, 1);
+
+	CNIC_WR16(dev, BAR_XSTRORM_INTMEM +
+		  XSTORM_ISCSI_LOCAL_VLAN_OFFSET(func), 0);
+
+	CNIC_WR(dev, BAR_XSTRORM_INTMEM +
+		XSTORM_TCP_GLOBAL_DEL_ACK_COUNTER_ENABLED_OFFSET(func), 1);
+	CNIC_WR(dev, BAR_XSTRORM_INTMEM +
+		XSTORM_TCP_GLOBAL_DEL_ACK_COUNTER_MAX_COUNT_OFFSET(func),
+		DEF_MAX_DA_COUNT);
+
+	CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
+		 XSTORM_ISCSI_TCP_VARS_TTL_OFFSET(func), DEF_TTL);
+	CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
+		 XSTORM_ISCSI_TCP_VARS_TOS_OFFSET(func), DEF_TOS);
+	CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
+		 XSTORM_ISCSI_TCP_VARS_ADV_WND_SCL_OFFSET(func), 2);
+	CNIC_WR(dev, BAR_XSTRORM_INTMEM +
+		XSTORM_TCP_TX_SWS_TIMER_VAL_OFFSET(func), DEF_SWS_TIMER);
+
+	CNIC_WR(dev, BAR_TSTRORM_INTMEM + TSTORM_TCP_MAX_CWND_OFFSET(func),
+		DEF_MAX_CWND);
+	return 0;
+}
+
 static int cnic_cm_open(struct cnic_dev *dev)
 {
 	struct cnic_local *cp = dev->cnic_priv;
@@ -2482,11 +3759,402 @@ static int cnic_start_bnx2_hw(struct cnic_dev *dev)
 	return 0;
 }
 
+static void cnic_setup_bnx2x_context(struct cnic_dev *dev)
+{
+	struct cnic_local *cp = dev->cnic_priv;
+	struct cnic_eth_dev *ethdev = cp->ethdev;
+	u32 start_offset = ethdev->ctx_tbl_offset;
+	int i;
+
+	for (i = 0; i < cp->ctx_blks; i++) {
+		struct cnic_ctx *ctx = &cp->ctx_arr[i];
+		dma_addr_t map = ctx->mapping;
+
+		if (cp->ctx_align) {
+			unsigned long mask = cp->ctx_align - 1;
+
+			map = (map + mask) & ~mask;
+		}
+
+		cnic_ctx_tbl_wr(dev, start_offset + i, map);
+	}
+}
+
+static int cnic_init_bnx2x_irq(struct cnic_dev *dev)
+{
+	struct cnic_local *cp = dev->cnic_priv;
+	struct cnic_eth_dev *ethdev = cp->ethdev;
+	int err = 0;
+
+	tasklet_init(&cp->cnic_irq_task, &cnic_service_bnx2x_bh,
+		     (unsigned long) dev);
+	if (ethdev->drv_state & CNIC_DRV_STATE_USING_MSIX) {
+		err = request_irq(ethdev->irq_arr[0].vector, cnic_irq, 0,
+				  "cnic", dev);
+		if (err)
+			tasklet_disable(&cp->cnic_irq_task);
+	}
+	return err;
+}
+
+static void cnic_enable_bnx2x_int(struct cnic_dev *dev)
+{
+	struct cnic_local *cp = dev->cnic_priv;
+	u8 sb_id = cp->status_blk_num;
+	int port = CNIC_PORT(cp);
+
+	CNIC_WR8(dev, BAR_CSTRORM_INTMEM +
+		 CSTORM_SB_HC_TIMEOUT_C_OFFSET(port, sb_id,
+					       HC_INDEX_C_ISCSI_EQ_CONS),
+		 64 / 12);
+	CNIC_WR16(dev, BAR_CSTRORM_INTMEM +
+		  CSTORM_SB_HC_DISABLE_C_OFFSET(port, sb_id,
+						HC_INDEX_C_ISCSI_EQ_CONS), 0);
+}
+
+static void cnic_disable_bnx2x_int_sync(struct cnic_dev *dev)
+{
+}
+
+static void cnic_init_bnx2x_tx_ring(struct cnic_dev *dev)
+{
+	struct cnic_local *cp = dev->cnic_priv;
+	union eth_tx_bd_types *txbd = (union eth_tx_bd_types *) cp->l2_ring;
+	struct eth_context *context;
+	struct regpair context_addr;
+	dma_addr_t buf_map;
+	int func = CNIC_FUNC(cp);
+	int port = CNIC_PORT(cp);
+	int i;
+	int cli = BNX2X_ISCSI_CL_ID(CNIC_E1HVN(cp));
+	u32 val;
+
+	memset(txbd, 0, BCM_PAGE_SIZE);
+
+	buf_map = cp->l2_buf_map;
+	for (i = 0; i < MAX_TX_DESC_CNT; i += 3, txbd += 3) {
+		struct eth_tx_start_bd *start_bd = &txbd->start_bd;
+		struct eth_tx_bd *reg_bd = &((txbd + 2)->reg_bd);
+
+		start_bd->addr_hi = cpu_to_le32((u64) buf_map >> 32);
+		start_bd->addr_lo = cpu_to_le32(buf_map & 0xffffffff);
+		reg_bd->addr_hi = start_bd->addr_hi;
+		reg_bd->addr_lo = start_bd->addr_lo + 0x10;
+		start_bd->nbytes = cpu_to_le16(0x10);
+		start_bd->nbd = cpu_to_le16(3);
+		start_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
+		start_bd->general_data = (UNICAST_ADDRESS <<
+			ETH_TX_START_BD_ETH_ADDR_TYPE_SHIFT);
+		start_bd->general_data |= (1 << ETH_TX_START_BD_HDR_NBDS_SHIFT);
+
+	}
+	context = cnic_get_bnx2x_ctx(dev, BNX2X_ISCSI_L2_CID, 1, &context_addr);
+
+	val = (u64) cp->l2_ring_map >> 32;
+	txbd->next_bd.addr_hi = cpu_to_le32(val);
+
+	context->xstorm_st_context.tx_bd_page_base_hi = val;
+
+	val = (u64) cp->l2_ring_map & 0xffffffff;
+	txbd->next_bd.addr_lo = cpu_to_le32(val);
+
+	context->xstorm_st_context.tx_bd_page_base_lo = val;
+
+	context->cstorm_st_context.sb_index_number =
+		HC_INDEX_DEF_C_ETH_ISCSI_CQ_CONS;
+	context->cstorm_st_context.status_block_id = BNX2X_DEF_SB_ID;
+
+	context->xstorm_st_context.statistics_data = (cli |
+				XSTORM_ETH_ST_CONTEXT_STATISTICS_ENABLE);
+
+	context->xstorm_ag_context.cdu_reserved =
+		CDU_RSRVD_VALUE_TYPE_A(BNX2X_HW_CID(BNX2X_ISCSI_L2_CID, func),
+					CDU_REGION_NUMBER_XCM_AG,
+					ETH_CONNECTION_TYPE);
+
+	/* reset xstorm per client statistics */
+	val = BAR_XSTRORM_INTMEM +
+	      XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, cli);
+	for (i = 0; i < sizeof(struct xstorm_per_client_stats) / 4; i++)
+		CNIC_WR(dev, val + i * 4, 0);
+
+	cp->tx_cons_ptr =
+		&cp->bnx2x_def_status_blk->c_def_status_block.index_values[
+			HC_INDEX_DEF_C_ETH_ISCSI_CQ_CONS];
+}
+
+static void cnic_init_bnx2x_rx_ring(struct cnic_dev *dev)
+{
+	struct cnic_local *cp = dev->cnic_priv;
+	struct eth_rx_bd *rxbd = (struct eth_rx_bd *) (cp->l2_ring +
+				BCM_PAGE_SIZE);
+	struct eth_rx_cqe_next_page *rxcqe = (struct eth_rx_cqe_next_page *)
+				(cp->l2_ring + (2 * BCM_PAGE_SIZE));
+	struct eth_context *context;
+	struct regpair context_addr;
+	int i;
+	int port = CNIC_PORT(cp);
+	int func = CNIC_FUNC(cp);
+	int cli = BNX2X_ISCSI_CL_ID(CNIC_E1HVN(cp));
+	u32 val;
+	struct tstorm_eth_client_config tstorm_client = {0};
+
+	for (i = 0; i < BNX2X_MAX_RX_DESC_CNT; i++, rxbd++) {
+		dma_addr_t buf_map;
+		int n = (i % cp->l2_rx_ring_size) + 1;
+
+		buf_map = cp->l2_buf_map + (n * cp->l2_single_buf_size);
+		rxbd->addr_hi = cpu_to_le32((u64) buf_map >> 32);
+		rxbd->addr_lo = cpu_to_le32(buf_map & 0xffffffff);
+	}
+	context = cnic_get_bnx2x_ctx(dev, BNX2X_ISCSI_L2_CID, 0, &context_addr);
+
+	val = (u64) (cp->l2_ring_map + BCM_PAGE_SIZE) >> 32;
+	rxbd->addr_hi = cpu_to_le32(val);
+
+	context->ustorm_st_context.common.bd_page_base_hi = val;
+
+	val = (u64) (cp->l2_ring_map + BCM_PAGE_SIZE) & 0xffffffff;
+	rxbd->addr_lo = cpu_to_le32(val);
+
+	context->ustorm_st_context.common.bd_page_base_lo = val;
+
+	context->ustorm_st_context.common.sb_index_numbers =
+						BNX2X_ISCSI_RX_SB_INDEX_NUM;
+	context->ustorm_st_context.common.clientId = cli;
+	context->ustorm_st_context.common.status_block_id = BNX2X_DEF_SB_ID;
+	context->ustorm_st_context.common.flags =
+		USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_STATISTICS;
+	context->ustorm_st_context.common.statistics_counter_id = cli;
+	context->ustorm_st_context.common.mc_alignment_log_size = 0;
+	context->ustorm_st_context.common.bd_buff_size =
+						cp->l2_single_buf_size;
+
+	context->ustorm_ag_context.cdu_usage =
+		CDU_RSRVD_VALUE_TYPE_A(BNX2X_HW_CID(BNX2X_ISCSI_L2_CID, func),
+					CDU_REGION_NUMBER_UCM_AG,
+					ETH_CONNECTION_TYPE);
+
+	rxcqe += BNX2X_MAX_RCQ_DESC_CNT;
+	val = (u64) (cp->l2_ring_map + (2 * BCM_PAGE_SIZE)) >> 32;
+	rxcqe->addr_hi = cpu_to_le32(val);
+
+	CNIC_WR(dev, BAR_USTRORM_INTMEM +
+		USTORM_CQE_PAGE_BASE_OFFSET(port, cli) + 4, val);
+
+	CNIC_WR(dev, BAR_USTRORM_INTMEM +
+		USTORM_CQE_PAGE_NEXT_OFFSET(port, cli) + 4, val);
+
+	val = (u64) (cp->l2_ring_map + (2 * BCM_PAGE_SIZE)) & 0xffffffff;
+	rxcqe->addr_lo = cpu_to_le32(val);
+
+	CNIC_WR(dev, BAR_USTRORM_INTMEM +
+		USTORM_CQE_PAGE_BASE_OFFSET(port, cli), val);
+
+	CNIC_WR(dev, BAR_USTRORM_INTMEM +
+		USTORM_CQE_PAGE_NEXT_OFFSET(port, cli), val);
+
+	/* client tstorm info */
+	tstorm_client.mtu = cp->l2_single_buf_size - 14;
+	tstorm_client.config_flags =
+			(TSTORM_ETH_CLIENT_CONFIG_E1HOV_REM_ENABLE |
+			TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE);
+	tstorm_client.statistics_counter_id = cli;
+
+	CNIC_WR(dev, BAR_TSTRORM_INTMEM +
+		   TSTORM_CLIENT_CONFIG_OFFSET(port, cli),
+		   ((u32 *)&tstorm_client)[0]);
+	CNIC_WR(dev, BAR_TSTRORM_INTMEM +
+		   TSTORM_CLIENT_CONFIG_OFFSET(port, cli) + 4,
+		   ((u32 *)&tstorm_client)[1]);
+
+	/* reset tstorm per client statistics */
+	val = BAR_TSTRORM_INTMEM +
+	      TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, cli);
+	for (i = 0; i < sizeof(struct tstorm_per_client_stats) / 4; i++)
+		CNIC_WR(dev, val + i * 4, 0);
+
+	/* reset ustorm per client statistics */
+	val = BAR_USTRORM_INTMEM +
+	      USTORM_PER_COUNTER_ID_STATS_OFFSET(port, cli);
+	for (i = 0; i < sizeof(struct ustorm_per_client_stats) / 4; i++)
+		CNIC_WR(dev, val + i * 4, 0);
+
+	cp->rx_cons_ptr =
+		&cp->bnx2x_def_status_blk->u_def_status_block.index_values[
+			HC_INDEX_DEF_U_ETH_ISCSI_RX_CQ_CONS];
+}
+
+static void cnic_get_bnx2x_iscsi_info(struct cnic_dev *dev)
+{
+	struct cnic_local *cp = dev->cnic_priv;
+	u32 base, addr, val;
+	int port = CNIC_PORT(cp);
+
+	dev->max_iscsi_conn = 0;
+	base = CNIC_RD(dev, MISC_REG_SHARED_MEM_ADDR);
+	if (base < 0xa0000 || base >= 0xc0000)
+		return;
+
+	val = BNX2X_SHMEM_ADDR(base,
+		dev_info.port_hw_config[port].iscsi_mac_upper);
+
+	dev->mac_addr[0] = (u8) (val >> 8);
+	dev->mac_addr[1] = (u8) val;
+
+	val = BNX2X_SHMEM_ADDR(base,
+		dev_info.port_hw_config[port].iscsi_mac_lower);
+
+	dev->mac_addr[2] = (u8) (val >> 24);
+	dev->mac_addr[3] = (u8) (val >> 16);
+	dev->mac_addr[4] = (u8) (val >> 8);
+	dev->mac_addr[5] = (u8) val;
+
+	addr = BNX2X_SHMEM_ADDR(base, validity_map[port]);
+	val = CNIC_RD(dev, addr);
+
+	if (!(val & SHR_MEM_VALIDITY_LIC_NO_KEY_IN_EFFECT)) {
+		u16 val16;
+
+		addr = BNX2X_SHMEM_ADDR(base,
+				drv_lic_key[port].max_iscsi_init_conn);
+		val16 = CNIC_RD16(dev, addr);
+
+		if (val16)
+			val16 ^= 0x1e1e;
+		dev->max_iscsi_conn = val16;
+	}
+	if (BNX2X_CHIP_IS_E1H(cp->chip_id)) {
+		int func = CNIC_FUNC(cp);
+
+		addr = BNX2X_SHMEM_ADDR(base,
+				mf_cfg.func_mf_config[func].e1hov_tag);
+		val = CNIC_RD(dev, addr);
+		val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
+		if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
+			addr = BNX2X_SHMEM_ADDR(base,
+				mf_cfg.func_mf_config[func].config);
+			val = CNIC_RD(dev, addr);
+			val &= FUNC_MF_CFG_PROTOCOL_MASK;
+			if (val != FUNC_MF_CFG_PROTOCOL_ISCSI)
+				dev->max_iscsi_conn = 0;
+		}
+	}
+}
+
+static int cnic_start_bnx2x_hw(struct cnic_dev *dev)
+{
+	struct cnic_local *cp = dev->cnic_priv;
+	int func = CNIC_FUNC(cp), ret, i;
+	int port = CNIC_PORT(cp);
+	u16 eq_idx;
+	u8 sb_id = cp->status_blk_num;
+
+	ret = cnic_init_id_tbl(&cp->cid_tbl, MAX_ISCSI_TBL_SZ,
+			       BNX2X_ISCSI_START_CID);
+
+	if (ret)
+		return -ENOMEM;
+
+	cp->kcq_io_addr = BAR_CSTRORM_INTMEM +
+			  CSTORM_ISCSI_EQ_PROD_OFFSET(func, 0);
+	cp->kcq_prod_idx = 0;
+
+	cnic_get_bnx2x_iscsi_info(dev);
+
+	/* Only 1 EQ */
+	CNIC_WR16(dev, cp->kcq_io_addr, MAX_KCQ_IDX);
+	CNIC_WR(dev, BAR_CSTRORM_INTMEM +
+		CSTORM_ISCSI_EQ_CONS_OFFSET(func, 0), 0);
+	CNIC_WR(dev, BAR_CSTRORM_INTMEM +
+		CSTORM_ISCSI_EQ_NEXT_PAGE_ADDR_OFFSET(func, 0),
+		cp->kcq_info.pg_map_arr[1] & 0xffffffff);
+	CNIC_WR(dev, BAR_CSTRORM_INTMEM +
+		CSTORM_ISCSI_EQ_NEXT_PAGE_ADDR_OFFSET(func, 0) + 4,
+		(u64) cp->kcq_info.pg_map_arr[1] >> 32);
+	CNIC_WR(dev, BAR_CSTRORM_INTMEM +
+		CSTORM_ISCSI_EQ_NEXT_EQE_ADDR_OFFSET(func, 0),
+		cp->kcq_info.pg_map_arr[0] & 0xffffffff);
+	CNIC_WR(dev, BAR_CSTRORM_INTMEM +
+		CSTORM_ISCSI_EQ_NEXT_EQE_ADDR_OFFSET(func, 0) + 4,
+		(u64) cp->kcq_info.pg_map_arr[0] >> 32);
+	CNIC_WR8(dev, BAR_CSTRORM_INTMEM +
+		CSTORM_ISCSI_EQ_NEXT_PAGE_ADDR_VALID_OFFSET(func, 0), 1);
+	CNIC_WR16(dev, BAR_CSTRORM_INTMEM +
+		CSTORM_ISCSI_EQ_SB_NUM_OFFSET(func, 0), cp->status_blk_num);
+	CNIC_WR8(dev, BAR_CSTRORM_INTMEM +
+		CSTORM_ISCSI_EQ_SB_INDEX_OFFSET(func, 0),
+		HC_INDEX_C_ISCSI_EQ_CONS);
+
+	for (i = 0; i < cp->conn_buf_info.num_pages; i++) {
+		CNIC_WR(dev, BAR_TSTRORM_INTMEM +
+			TSTORM_ISCSI_CONN_BUF_PBL_OFFSET(func, i),
+			cp->conn_buf_info.pgtbl[2 * i]);
+		CNIC_WR(dev, BAR_TSTRORM_INTMEM +
+			TSTORM_ISCSI_CONN_BUF_PBL_OFFSET(func, i) + 4,
+			cp->conn_buf_info.pgtbl[(2 * i) + 1]);
+	}
+
+	CNIC_WR(dev, BAR_USTRORM_INTMEM +
+		USTORM_ISCSI_GLOBAL_BUF_PHYS_ADDR_OFFSET(func),
+		cp->gbl_buf_info.pg_map_arr[0] & 0xffffffff);
+	CNIC_WR(dev, BAR_USTRORM_INTMEM +
+		USTORM_ISCSI_GLOBAL_BUF_PHYS_ADDR_OFFSET(func) + 4,
+		(u64) cp->gbl_buf_info.pg_map_arr[0] >> 32);
+
+	cnic_setup_bnx2x_context(dev);
+
+	eq_idx = CNIC_RD16(dev, BAR_CSTRORM_INTMEM +
+			   CSTORM_SB_HOST_STATUS_BLOCK_C_OFFSET(port, sb_id) +
+			   offsetof(struct cstorm_status_block_c,
+				    index_values[HC_INDEX_C_ISCSI_EQ_CONS]));
+	if (eq_idx != 0) {
+		printk(KERN_ERR PFX "%s: EQ cons index %x != 0\n",
+		       dev->netdev->name, eq_idx);
+		return -EBUSY;
+	}
+	ret = cnic_init_bnx2x_irq(dev);
+	if (ret)
+		return ret;
+
+	cnic_init_bnx2x_tx_ring(dev);
+	cnic_init_bnx2x_rx_ring(dev);
+
+	return 0;
+}
+
 static void cnic_init_rings(struct cnic_dev *dev)
 {
 	if (test_bit(CNIC_F_BNX2_CLASS, &dev->flags)) {
 		cnic_init_bnx2_tx_ring(dev);
 		cnic_init_bnx2_rx_ring(dev);
+	} else if (test_bit(CNIC_F_BNX2X_CLASS, &dev->flags)) {
+		struct cnic_local *cp = dev->cnic_priv;
+		struct cnic_eth_dev *ethdev = cp->ethdev;
+		u32 cli = BNX2X_ISCSI_CL_ID(CNIC_E1HVN(cp));
+		union l5cm_specific_data l5_data;
+		struct ustorm_eth_rx_producers rx_prods = {0};
+		void __iomem *doorbell;
+		int i;
+
+		rx_prods.bd_prod = 0;
+		rx_prods.cqe_prod = BNX2X_MAX_RCQ_DESC_CNT;
+		barrier();
+
+		doorbell = ethdev->io_base2 + BAR_USTRORM_INTMEM +
+			USTORM_RX_PRODS_OFFSET(CNIC_PORT(cp), cli);
+
+		for (i = 0; i < sizeof(struct ustorm_eth_rx_producers) / 4; i++)
+			writel(((u32 *) &rx_prods)[i], doorbell + i * 4);
+
+		cnic_init_bnx2x_tx_ring(dev);
+		cnic_init_bnx2x_rx_ring(dev);
+
+		l5_data.phy_address.lo = cli;
+		l5_data.phy_address.hi = 0;
+		cnic_submit_kwqe_16(dev, RAMROD_CMD_ID_ETH_CLIENT_SETUP,
+			BNX2X_ISCSI_L2_CID, ETH_CONNECTION_TYPE, &l5_data);
+		cnic_ring_ctl(dev, BNX2X_ISCSI_L2_CID, cli, 1);
 	}
 }
 
@@ -2494,6 +4162,11 @@ static void cnic_shutdown_rings(struct cnic_dev *dev)
 {
 	if (test_bit(CNIC_F_BNX2_CLASS, &dev->flags)) {
 		cnic_shutdown_bnx2_rx_ring(dev);
+	} else if (test_bit(CNIC_F_BNX2X_CLASS, &dev->flags)) {
+		struct cnic_local *cp = dev->cnic_priv;
+		u32 cli = BNX2X_ISCSI_CL_ID(CNIC_E1HVN(cp));
+
+		cnic_ring_ctl(dev, BNX2X_ISCSI_L2_CID, cli, 0);
 	}
 }
 
@@ -2587,6 +4260,22 @@ static void cnic_stop_bnx2_hw(struct cnic_dev *dev)
 	cnic_free_resc(dev);
 }
 
+
+static void cnic_stop_bnx2x_hw(struct cnic_dev *dev)
+{
+	struct cnic_local *cp = dev->cnic_priv;
+	u8 sb_id = cp->status_blk_num;
+	int port = CNIC_PORT(cp);
+
+	cnic_free_irq(dev);
+	CNIC_WR16(dev, BAR_CSTRORM_INTMEM +
+		  CSTORM_SB_HOST_STATUS_BLOCK_C_OFFSET(port, sb_id) +
+		  offsetof(struct cstorm_status_block_c,
+			   index_values[HC_INDEX_C_ISCSI_EQ_CONS]),
+		  0);
+	cnic_free_resc(dev);
+}
+
 static void cnic_stop_hw(struct cnic_dev *dev)
 {
 	if (test_bit(CNIC_F_CNIC_UP, &dev->flags)) {
@@ -2718,6 +4407,57 @@ cnic_err:
 	return NULL;
 }
 
+static struct cnic_dev *init_bnx2x_cnic(struct net_device *dev)
+{
+	struct pci_dev *pdev;
+	struct cnic_dev *cdev;
+	struct cnic_local *cp;
+	struct cnic_eth_dev *ethdev = NULL;
+	struct cnic_eth_dev *(*probe)(struct net_device *) = NULL;
+
+	probe = symbol_get(bnx2x_cnic_probe);
+	if (probe) {
+		ethdev = (*probe)(dev);
+		symbol_put(bnx2x_cnic_probe);
+	}
+	if (!ethdev)
+		return NULL;
+
+	pdev = ethdev->pdev;
+	if (!pdev)
+		return NULL;
+
+	dev_hold(dev);
+	cdev = cnic_alloc_dev(dev, pdev);
+	if (cdev == NULL) {
+		dev_put(dev);
+		return NULL;
+	}
+
+	set_bit(CNIC_F_BNX2X_CLASS, &cdev->flags);
+	cdev->submit_kwqes = cnic_submit_bnx2x_kwqes;
+
+	cp = cdev->cnic_priv;
+	cp->ethdev = ethdev;
+	cdev->pcidev = pdev;
+
+	cp->cnic_ops = &cnic_bnx2x_ops;
+	cp->start_hw = cnic_start_bnx2x_hw;
+	cp->stop_hw = cnic_stop_bnx2x_hw;
+	cp->setup_pgtbl = cnic_setup_page_tbl_le;
+	cp->alloc_resc = cnic_alloc_bnx2x_resc;
+	cp->free_resc = cnic_free_resc;
+	cp->start_cm = cnic_cm_init_bnx2x_hw;
+	cp->stop_cm = cnic_cm_stop_bnx2x_hw;
+	cp->enable_int = cnic_enable_bnx2x_int;
+	cp->disable_int_sync = cnic_disable_bnx2x_int_sync;
+	cp->ack_int = cnic_ack_bnx2x_msix;
+	cp->close_conn = cnic_close_bnx2x_conn;
+	cp->next_idx = cnic_bnx2x_next_idx;
+	cp->hw_idx = cnic_bnx2x_hw_idx;
+	return cdev;
+}
+
 static struct cnic_dev *is_cnic_dev(struct net_device *dev)
 {
 	struct ethtool_drvinfo drvinfo;
@@ -2729,6 +4469,8 @@ static struct cnic_dev *is_cnic_dev(struct net_device *dev)
 
 		if (!strcmp(drvinfo.driver, "bnx2"))
 			cdev = init_bnx2_cnic(dev);
+		if (!strcmp(drvinfo.driver, "bnx2x"))
+			cdev = init_bnx2x_cnic(dev);
 		if (cdev) {
 			write_lock(&cnic_dev_lock);
 			list_add(&cdev->list, &cnic_dev_list);
-- 
GitLab


From e0c93948154328e13b4c0b0502d66af93f0fdfc4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?YOSHIFUJI=20Hideaki=20/=20=E5=90=89=E8=97=A4=E8=8B=B1?=
 =?UTF-8?q?=E6=98=8E?= <yoshfuji@linux-ipv6.org>
Date: Sun, 11 Oct 2009 03:31:34 +0000
Subject: [PATCH 0235/1815] ipv6 sit: Ensure to initialize 6rd parameters.

ipv6 sit: Ensure to initialize 6rd parameters.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/sit.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 6955654262a..8594451c747 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -161,9 +161,11 @@ static void ipip6_tunnel_link(struct sit_net *sitn, struct ip_tunnel *t)
 	write_unlock_bh(&ipip6_lock);
 }
 
-static void ipip6_tunnel_clone_6rd(struct ip_tunnel *t, struct sit_net *sitn)
+static void ipip6_tunnel_clone_6rd(struct net_device *dev, struct sit_net *sitn)
 {
 #ifdef CONFIG_IPV6_SIT_6RD
+	struct ip_tunnel *t = netdev_priv(dev);
+
 	if (t->dev == sitn->fb_tunnel_dev) {
 		ipv6_addr_set(&t->ip6rd.prefix, htonl(0x20020000), 0, 0, 0);
 		t->ip6rd.relay_prefix = 0;
@@ -219,6 +221,7 @@ static struct ip_tunnel * ipip6_tunnel_locate(struct net *net,
 
 	nt->parms = *parms;
 	ipip6_tunnel_init(dev);
+	ipip6_tunnel_clone_6rd(dev, sitn);
 
 	if (parms->i_flags & SIT_ISATAP)
 		dev->priv_flags |= IFF_ISATAP;
@@ -228,8 +231,6 @@ static struct ip_tunnel * ipip6_tunnel_locate(struct net *net,
 
 	dev_hold(dev);
 
-	ipip6_tunnel_clone_6rd(t, sitn);
-
 	ipip6_tunnel_link(sitn, nt);
 	return nt;
 
@@ -1024,7 +1025,7 @@ ipip6_tunnel_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd)
 			t->ip6rd.prefixlen = ip6rd.prefixlen;
 			t->ip6rd.relay_prefixlen = ip6rd.relay_prefixlen;
 		} else
-			ipip6_tunnel_clone_6rd(t, sitn);
+			ipip6_tunnel_clone_6rd(dev, sitn);
 
 		err = 0;
 		break;
@@ -1148,6 +1149,7 @@ static int sit_init_net(struct net *net)
 	dev_net_set(sitn->fb_tunnel_dev, net);
 
 	ipip6_fb_tunnel_init(sitn->fb_tunnel_dev);
+	ipip6_tunnel_clone_6rd(sitn->fb_tunnel_dev, sitn);
 
 	if ((err = register_netdev(sitn->fb_tunnel_dev)))
 		goto err_reg_dev;
-- 
GitLab


From e7db38c38fe8df1d890ae772737e27308bdc5956 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?YOSHIFUJI=20Hideaki=20/=20=E5=90=89=E8=97=A4=E8=8B=B1?=
 =?UTF-8?q?=E6=98=8E?= <yoshfuji@linux-ipv6.org>
Date: Sun, 11 Oct 2009 03:44:45 +0000
Subject: [PATCH 0236/1815] ipv6 sit: Fix 6rd relay address.

ipv6 sit: Fix 6rd relay address.

Relay's address should be extracted from real IPv6 address
instead of configured prefix.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/sit.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 8594451c747..193d0c6c5ce 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -569,12 +569,12 @@ __be32 try_6rd(struct in6_addr *v6dst, struct ip_tunnel *tunnel)
 		pbw0 = tunnel->ip6rd.prefixlen >> 5;
 		pbi0 = tunnel->ip6rd.prefixlen & 0x1f;
 
-		d = (ntohl(tunnel->ip6rd.prefix.s6_addr32[pbw0]) << pbi0) >>
+		d = (ntohl(v6dst->s6_addr32[pbw0]) << pbi0) >>
 		    tunnel->ip6rd.relay_prefixlen;
 
 		pbi1 = pbi0 - tunnel->ip6rd.relay_prefixlen;
 		if (pbi1 > 0)
-			d |= ntohl(tunnel->ip6rd.prefix.s6_addr32[pbw0 + 1]) >>
+			d |= ntohl(v6dst->s6_addr32[pbw0 + 1]) >>
 			     (32 - pbi1);
 
 		dst = tunnel->ip6rd.relay_prefix | htonl(d);
-- 
GitLab


From 91b2a3f9bb0fa8d64b365a10b0624b0341e1a338 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?YOSHIFUJI=20Hideaki=20/=20=E5=90=89=E8=97=A4=E8=8B=B1?=
 =?UTF-8?q?=E6=98=8E?= <yoshfuji@linux-ipv6.org>
Date: Sun, 11 Oct 2009 03:45:13 +0000
Subject: [PATCH 0237/1815] ipv6 sit: Set relay to 0.0.0.0 directly if
 relay_prefixlen == 0.

ipv6 sit: Set relay to 0.0.0.0 directly if relay_prefixlen == 0.

Do not use bit-shift if relay_prefixlen == 0;
relay_prefix << 32 does not result in 0.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/sit.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 193d0c6c5ce..510d31f3cb9 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -1014,9 +1014,12 @@ ipip6_tunnel_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd)
 					 ip6rd.prefixlen);
 			if (!ipv6_addr_equal(&prefix, &ip6rd.prefix))
 				goto done;
-			relay_prefix = ip6rd.relay_prefix &
-				       htonl(0xffffffffUL <<
-					     (32 - ip6rd.relay_prefixlen));
+			if (ip6rd.relay_prefixlen)
+				relay_prefix = ip6rd.relay_prefix &
+					       htonl(0xffffffffUL <<
+						     (32 - ip6rd.relay_prefixlen));
+			else
+				relay_prefix = 0;
 			if (relay_prefix != ip6rd.relay_prefix)
 				goto done;
 
-- 
GitLab


From d5e63bded6e819ca77ee1a1d97c783a31f6caf30 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Mon, 12 Oct 2009 03:00:31 -0700
Subject: [PATCH 0238/1815] Revert "af_packet: add interframe drop cmsg (v6)"

This reverts commit 977750076d98c7ff6cbda51858bb5a5894a9d9ab.

Neil is reimplementing this generically, outside of AF_PACKET.

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/if_packet.h |  2 --
 net/packet/af_packet.c    | 33 ---------------------------------
 2 files changed, 35 deletions(-)

diff --git a/include/linux/if_packet.h b/include/linux/if_packet.h
index e5d200f53fc..dea7d6b7cf9 100644
--- a/include/linux/if_packet.h
+++ b/include/linux/if_packet.h
@@ -48,13 +48,11 @@ struct sockaddr_ll
 #define PACKET_RESERVE			12
 #define PACKET_TX_RING			13
 #define PACKET_LOSS			14
-#define PACKET_GAPDATA			15
 
 struct tpacket_stats
 {
 	unsigned int	tp_packets;
 	unsigned int	tp_drops;
-	unsigned int    tp_gap;
 };
 
 struct tpacket_auxdata
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 70073a0dea5..f87ed4803c1 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -524,31 +524,6 @@ static inline unsigned int run_filter(struct sk_buff *skb, struct sock *sk,
 	return res;
 }
 
-/*
- * If we've lost frames since the last time we queued one to the
- * sk_receive_queue, we need to record it here.
- * This must be called under the protection of the socket lock
- * to prevent racing with other softirqs and user space
- */
-static inline void record_packet_gap(struct sk_buff *skb,
-					struct packet_sock *po)
-{
-	/*
-	 * We overload the mark field here, since we're about
-	 * to enqueue to a receive queue and no body else will
-	 * use this field at this point
-	 */
-	skb->mark = po->stats.tp_gap;
-	po->stats.tp_gap = 0;
-	return;
-
-}
-
-static inline __u32 check_packet_gap(struct sk_buff *skb)
-{
-	return skb->mark;
-}
-
 /*
    This function makes lazy skb cloning in hope that most of packets
    are discarded by BPF.
@@ -652,7 +627,6 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev,
 
 	spin_lock(&sk->sk_receive_queue.lock);
 	po->stats.tp_packets++;
-	record_packet_gap(skb, po);
 	__skb_queue_tail(&sk->sk_receive_queue, skb);
 	spin_unlock(&sk->sk_receive_queue.lock);
 	sk->sk_data_ready(sk, skb->len);
@@ -661,7 +635,6 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev,
 drop_n_acct:
 	spin_lock(&sk->sk_receive_queue.lock);
 	po->stats.tp_drops++;
-	po->stats.tp_gap++;
 	spin_unlock(&sk->sk_receive_queue.lock);
 
 drop_n_restore:
@@ -839,7 +812,6 @@ drop:
 
 ring_is_full:
 	po->stats.tp_drops++;
-	po->stats.tp_gap++;
 	spin_unlock(&sk->sk_receive_queue.lock);
 
 	sk->sk_data_ready(sk, 0);
@@ -1449,7 +1421,6 @@ static int packet_recvmsg(struct kiocb *iocb, struct socket *sock,
 	struct sk_buff *skb;
 	int copied, err;
 	struct sockaddr_ll *sll;
-	__u32 gap;
 
 	err = -EINVAL;
 	if (flags & ~(MSG_PEEK|MSG_DONTWAIT|MSG_TRUNC|MSG_CMSG_COMPAT))
@@ -1528,10 +1499,6 @@ static int packet_recvmsg(struct kiocb *iocb, struct socket *sock,
 		put_cmsg(msg, SOL_PACKET, PACKET_AUXDATA, sizeof(aux), &aux);
 	}
 
-	gap = check_packet_gap(skb);
-	if (gap)
-		put_cmsg(msg, SOL_PACKET, PACKET_GAPDATA, sizeof(__u32), &gap);
-
 	/*
 	 *	Free or return the buffer as appropriate. Again this
 	 *	hides all the races and re-entrancy issues from us.
-- 
GitLab


From 3b885787ea4112eaa80945999ea0901bf742707f Mon Sep 17 00:00:00 2001
From: Neil Horman <nhorman@tuxdriver.com>
Date: Mon, 12 Oct 2009 13:26:31 -0700
Subject: [PATCH 0239/1815] net: Generalize socket rx gap / receive queue
 overflow cmsg

Create a new socket level option to report number of queue overflows

Recently I augmented the AF_PACKET protocol to report the number of frames lost
on the socket receive queue between any two enqueued frames.  This value was
exported via a SOL_PACKET level cmsg.  AFter I completed that work it was
requested that this feature be generalized so that any datagram oriented socket
could make use of this option.  As such I've created this patch, It creates a
new SOL_SOCKET level option called SO_RXQ_OVFL, which when enabled exports a
SOL_SOCKET level cmsg that reports the nubmer of times the sk_receive_queue
overflowed between any two given frames.  It also augments the AF_PACKET
protocol to take advantage of this new feature (as it previously did not touch
sk->sk_drops, which this patch uses to record the overflow count).  Tested
successfully by me.

Notes:

1) Unlike my previous patch, this patch simply records the sk_drops value, which
is not a number of drops between packets, but rather a total number of drops.
Deltas must be computed in user space.

2) While this patch currently works with datagram oriented protocols, it will
also be accepted by non-datagram oriented protocols. I'm not sure if thats
agreeable to everyone, but my argument in favor of doing so is that, for those
protocols which aren't applicable to this option, sk_drops will always be zero,
and reporting no drops on a receive queue that isn't used for those
non-participating protocols seems reasonable to me.  This also saves us having
to code in a per-protocol opt in mechanism.

3) This applies cleanly to net-next assuming that commit
977750076d98c7ff6cbda51858bb5a5894a9d9ab (my af packet cmsg patch) is reverted

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 arch/alpha/include/asm/socket.h   |  2 ++
 arch/arm/include/asm/socket.h     |  2 ++
 arch/avr32/include/asm/socket.h   |  2 ++
 arch/cris/include/asm/socket.h    |  2 ++
 arch/frv/include/asm/socket.h     |  2 ++
 arch/h8300/include/asm/socket.h   |  2 ++
 arch/ia64/include/asm/socket.h    |  2 ++
 arch/m32r/include/asm/socket.h    |  2 ++
 arch/m68k/include/asm/socket.h    |  2 ++
 arch/mips/include/asm/socket.h    |  2 ++
 arch/mn10300/include/asm/socket.h |  2 ++
 arch/parisc/include/asm/socket.h  |  2 ++
 arch/powerpc/include/asm/socket.h |  2 ++
 arch/s390/include/asm/socket.h    |  2 ++
 arch/sparc/include/asm/socket.h   |  2 ++
 arch/xtensa/include/asm/socket.h  |  2 ++
 include/asm-generic/socket.h      |  1 +
 include/linux/skbuff.h            |  6 ++++--
 include/net/sock.h                |  3 +++
 net/atm/common.c                  |  2 +-
 net/bluetooth/af_bluetooth.c      |  2 +-
 net/bluetooth/rfcomm/sock.c       |  2 +-
 net/can/bcm.c                     |  2 +-
 net/can/raw.c                     |  2 +-
 net/core/sock.c                   | 17 ++++++++++++++++-
 net/ieee802154/dgram.c            |  2 +-
 net/ieee802154/raw.c              |  2 +-
 net/ipv4/raw.c                    |  2 +-
 net/ipv4/udp.c                    |  2 +-
 net/ipv6/raw.c                    |  2 +-
 net/ipv6/udp.c                    |  2 +-
 net/key/af_key.c                  |  2 +-
 net/packet/af_packet.c            |  7 +++----
 net/rxrpc/ar-recvmsg.c            |  2 +-
 net/sctp/socket.c                 |  2 +-
 net/socket.c                      | 15 +++++++++++++++
 36 files changed, 88 insertions(+), 21 deletions(-)

diff --git a/arch/alpha/include/asm/socket.h b/arch/alpha/include/asm/socket.h
index 26773e3246e..06edfefc337 100644
--- a/arch/alpha/include/asm/socket.h
+++ b/arch/alpha/include/asm/socket.h
@@ -67,6 +67,8 @@
 #define SO_TIMESTAMPING		37
 #define SCM_TIMESTAMPING	SO_TIMESTAMPING
 
+#define SO_RXQ_OVFL             40
+
 /* O_NONBLOCK clashes with the bits used for socket types.  Therefore we
  * have to define SOCK_NONBLOCK to a different value here.
  */
diff --git a/arch/arm/include/asm/socket.h b/arch/arm/include/asm/socket.h
index 92ac61d294f..90ffd04b8e7 100644
--- a/arch/arm/include/asm/socket.h
+++ b/arch/arm/include/asm/socket.h
@@ -60,4 +60,6 @@
 #define SO_PROTOCOL		38
 #define SO_DOMAIN		39
 
+#define SO_RXQ_OVFL             40
+
 #endif /* _ASM_SOCKET_H */
diff --git a/arch/avr32/include/asm/socket.h b/arch/avr32/include/asm/socket.h
index fe863f9794d..c8d1fae4947 100644
--- a/arch/avr32/include/asm/socket.h
+++ b/arch/avr32/include/asm/socket.h
@@ -60,4 +60,6 @@
 #define SO_PROTOCOL		38
 #define SO_DOMAIN		39
 
+#define SO_RXQ_OVFL             40
+
 #endif /* __ASM_AVR32_SOCKET_H */
diff --git a/arch/cris/include/asm/socket.h b/arch/cris/include/asm/socket.h
index 45ec49bdb7b..1a4a61909ca 100644
--- a/arch/cris/include/asm/socket.h
+++ b/arch/cris/include/asm/socket.h
@@ -62,6 +62,8 @@
 #define SO_PROTOCOL		38
 #define SO_DOMAIN		39
 
+#define SO_RXQ_OVFL             40
+
 #endif /* _ASM_SOCKET_H */
 
 
diff --git a/arch/frv/include/asm/socket.h b/arch/frv/include/asm/socket.h
index 2dea726095c..a6b26880c1e 100644
--- a/arch/frv/include/asm/socket.h
+++ b/arch/frv/include/asm/socket.h
@@ -60,5 +60,7 @@
 #define SO_PROTOCOL		38
 #define SO_DOMAIN		39
 
+#define SO_RXQ_OVFL             40
+
 #endif /* _ASM_SOCKET_H */
 
diff --git a/arch/h8300/include/asm/socket.h b/arch/h8300/include/asm/socket.h
index 1547f01c8e2..04c0f4596eb 100644
--- a/arch/h8300/include/asm/socket.h
+++ b/arch/h8300/include/asm/socket.h
@@ -60,4 +60,6 @@
 #define SO_PROTOCOL		38
 #define SO_DOMAIN		39
 
+#define SO_RXQ_OVFL             40
+
 #endif /* _ASM_SOCKET_H */
diff --git a/arch/ia64/include/asm/socket.h b/arch/ia64/include/asm/socket.h
index 0b0d5ff062e..51427eaa51b 100644
--- a/arch/ia64/include/asm/socket.h
+++ b/arch/ia64/include/asm/socket.h
@@ -69,4 +69,6 @@
 #define SO_PROTOCOL		38
 #define SO_DOMAIN		39
 
+#define SO_RXQ_OVFL             40
+
 #endif /* _ASM_IA64_SOCKET_H */
diff --git a/arch/m32r/include/asm/socket.h b/arch/m32r/include/asm/socket.h
index 3390a864f22..469787c3009 100644
--- a/arch/m32r/include/asm/socket.h
+++ b/arch/m32r/include/asm/socket.h
@@ -60,4 +60,6 @@
 #define SO_PROTOCOL		38
 #define SO_DOMAIN		39
 
+#define SO_RXQ_OVFL             40
+
 #endif /* _ASM_M32R_SOCKET_H */
diff --git a/arch/m68k/include/asm/socket.h b/arch/m68k/include/asm/socket.h
index eee01cce921..9bf49c87d95 100644
--- a/arch/m68k/include/asm/socket.h
+++ b/arch/m68k/include/asm/socket.h
@@ -60,4 +60,6 @@
 #define SO_PROTOCOL		38
 #define SO_DOMAIN		39
 
+#define SO_RXQ_OVFL             40
+
 #endif /* _ASM_SOCKET_H */
diff --git a/arch/mips/include/asm/socket.h b/arch/mips/include/asm/socket.h
index ae05accd9fe..9de5190f248 100644
--- a/arch/mips/include/asm/socket.h
+++ b/arch/mips/include/asm/socket.h
@@ -80,6 +80,8 @@ To add: #define SO_REUSEPORT 0x0200	/* Allow local address and port reuse.  */
 #define SO_TIMESTAMPING		37
 #define SCM_TIMESTAMPING	SO_TIMESTAMPING
 
+#define SO_RXQ_OVFL             40
+
 #ifdef __KERNEL__
 
 /** sock_type - Socket types
diff --git a/arch/mn10300/include/asm/socket.h b/arch/mn10300/include/asm/socket.h
index 4df75af29d7..4e60c428128 100644
--- a/arch/mn10300/include/asm/socket.h
+++ b/arch/mn10300/include/asm/socket.h
@@ -60,4 +60,6 @@
 #define SO_PROTOCOL		38
 #define SO_DOMAIN		39
 
+#define SO_RXQ_OVFL             40
+
 #endif /* _ASM_SOCKET_H */
diff --git a/arch/parisc/include/asm/socket.h b/arch/parisc/include/asm/socket.h
index 960b1e5d8e1..225b7d6a1a0 100644
--- a/arch/parisc/include/asm/socket.h
+++ b/arch/parisc/include/asm/socket.h
@@ -59,6 +59,8 @@
 #define SO_TIMESTAMPING		0x4020
 #define SCM_TIMESTAMPING	SO_TIMESTAMPING
 
+#define SO_RXQ_OVFL             0x4021
+
 /* O_NONBLOCK clashes with the bits used for socket types.  Therefore we
  * have to define SOCK_NONBLOCK to a different value here.
  */
diff --git a/arch/powerpc/include/asm/socket.h b/arch/powerpc/include/asm/socket.h
index 3ab8b3e6feb..866f7606da6 100644
--- a/arch/powerpc/include/asm/socket.h
+++ b/arch/powerpc/include/asm/socket.h
@@ -67,4 +67,6 @@
 #define SO_PROTOCOL		38
 #define SO_DOMAIN		39
 
+#define SO_RXQ_OVFL             40
+
 #endif	/* _ASM_POWERPC_SOCKET_H */
diff --git a/arch/s390/include/asm/socket.h b/arch/s390/include/asm/socket.h
index e42df89a0b8..fdff1e995c7 100644
--- a/arch/s390/include/asm/socket.h
+++ b/arch/s390/include/asm/socket.h
@@ -68,4 +68,6 @@
 #define SO_PROTOCOL		38
 #define SO_DOMAIN		39
 
+#define SO_RXQ_OVFL             40
+
 #endif /* _ASM_SOCKET_H */
diff --git a/arch/sparc/include/asm/socket.h b/arch/sparc/include/asm/socket.h
index 3a5ae3d1208..9d3fefcff2f 100644
--- a/arch/sparc/include/asm/socket.h
+++ b/arch/sparc/include/asm/socket.h
@@ -56,6 +56,8 @@
 #define SO_TIMESTAMPING		0x0023
 #define SCM_TIMESTAMPING	SO_TIMESTAMPING
 
+#define SO_RXQ_OVFL             0x0024
+
 /* Security levels - as per NRL IPv6 - don't actually do anything */
 #define SO_SECURITY_AUTHENTICATION		0x5001
 #define SO_SECURITY_ENCRYPTION_TRANSPORT	0x5002
diff --git a/arch/xtensa/include/asm/socket.h b/arch/xtensa/include/asm/socket.h
index beb3a6bdb61..cbdf2ffaacf 100644
--- a/arch/xtensa/include/asm/socket.h
+++ b/arch/xtensa/include/asm/socket.h
@@ -71,4 +71,6 @@
 #define SO_PROTOCOL		38
 #define SO_DOMAIN		39
 
+#define SO_RXQ_OVFL             40
+
 #endif	/* _XTENSA_SOCKET_H */
diff --git a/include/asm-generic/socket.h b/include/asm-generic/socket.h
index 538991cef6f..9a6115e7cf6 100644
--- a/include/asm-generic/socket.h
+++ b/include/asm-generic/socket.h
@@ -63,4 +63,5 @@
 #define SO_PROTOCOL		38
 #define SO_DOMAIN		39
 
+#define SO_RXQ_OVFL             40
 #endif /* __ASM_GENERIC_SOCKET_H */
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index df7b23ac66e..8c866b5cb97 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -389,8 +389,10 @@ struct sk_buff {
 #ifdef CONFIG_NETWORK_SECMARK
 	__u32			secmark;
 #endif
-
-	__u32			mark;
+	union {
+		__u32		mark;
+		__u32		dropcount;
+	};
 
 	__u16			vlan_tci;
 
diff --git a/include/net/sock.h b/include/net/sock.h
index 98398bdec57..10669b01eea 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -505,6 +505,7 @@ enum sock_flags {
 	SOCK_TIMESTAMPING_RAW_HARDWARE, /* %SOF_TIMESTAMPING_RAW_HARDWARE */
 	SOCK_TIMESTAMPING_SYS_HARDWARE, /* %SOF_TIMESTAMPING_SYS_HARDWARE */
 	SOCK_FASYNC, /* fasync() active */
+	SOCK_RXQ_OVFL,
 };
 
 static inline void sock_copy_flags(struct sock *nsk, struct sock *osk)
@@ -1493,6 +1494,8 @@ sock_recv_timestamp(struct msghdr *msg, struct sock *sk, struct sk_buff *skb)
 		sk->sk_stamp = kt;
 }
 
+extern void sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk, struct sk_buff *skb);
+
 /**
  * sock_tx_timestamp - checks whether the outgoing packet is to be time stamped
  * @msg:	outgoing packet
diff --git a/net/atm/common.c b/net/atm/common.c
index 950bd16d238..d61e051e0a3 100644
--- a/net/atm/common.c
+++ b/net/atm/common.c
@@ -496,7 +496,7 @@ int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
 	error = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
 	if (error)
 		return error;
-	sock_recv_timestamp(msg, sk, skb);
+	sock_recv_ts_and_drops(msg, sk, skb);
 	pr_debug("RcvM %d -= %d\n", atomic_read(&sk->sk_rmem_alloc), skb->truesize);
 	atm_return(vcc, skb->truesize);
 	skb_free_datagram(sk, skb);
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index 1f6e49c1cde..399e59c9c6c 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -257,7 +257,7 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
 	skb_reset_transport_header(skb);
 	err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
 	if (err == 0)
-		sock_recv_timestamp(msg, sk, skb);
+		sock_recv_ts_and_drops(msg, sk, skb);
 
 	skb_free_datagram(sk, skb);
 
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index c7078650385..d3bfc1b0afb 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -703,7 +703,7 @@ static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
 		copied += chunk;
 		size   -= chunk;
 
-		sock_recv_timestamp(msg, sk, skb);
+		sock_recv_ts_and_drops(msg, sk, skb);
 
 		if (!(flags & MSG_PEEK)) {
 			atomic_sub(chunk, &sk->sk_rmem_alloc);
diff --git a/net/can/bcm.c b/net/can/bcm.c
index 597da4f8f88..2f47039c79d 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -1534,7 +1534,7 @@ static int bcm_recvmsg(struct kiocb *iocb, struct socket *sock,
 		return err;
 	}
 
-	sock_recv_timestamp(msg, sk, skb);
+	sock_recv_ts_and_drops(msg, sk, skb);
 
 	if (msg->msg_name) {
 		msg->msg_namelen = sizeof(struct sockaddr_can);
diff --git a/net/can/raw.c b/net/can/raw.c
index b5e897922d3..962fc9f1d0c 100644
--- a/net/can/raw.c
+++ b/net/can/raw.c
@@ -702,7 +702,7 @@ static int raw_recvmsg(struct kiocb *iocb, struct socket *sock,
 		return err;
 	}
 
-	sock_recv_timestamp(msg, sk, skb);
+	sock_recv_ts_and_drops(msg, sk, skb);
 
 	if (msg->msg_name) {
 		msg->msg_namelen = sizeof(struct sockaddr_can);
diff --git a/net/core/sock.c b/net/core/sock.c
index 7626b6aacd6..43ca2c99539 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -276,6 +276,8 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
 {
 	int err = 0;
 	int skb_len;
+	unsigned long flags;
+	struct sk_buff_head *list = &sk->sk_receive_queue;
 
 	/* Cast sk->rcvbuf to unsigned... It's pointless, but reduces
 	   number of warnings when compiling with -W --ANK
@@ -305,7 +307,10 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
 	 */
 	skb_len = skb->len;
 
-	skb_queue_tail(&sk->sk_receive_queue, skb);
+	spin_lock_irqsave(&list->lock, flags);
+	skb->dropcount = atomic_read(&sk->sk_drops);
+	__skb_queue_tail(list, skb);
+	spin_unlock_irqrestore(&list->lock, flags);
 
 	if (!sock_flag(sk, SOCK_DEAD))
 		sk->sk_data_ready(sk, skb_len);
@@ -702,6 +707,12 @@ set_rcvbuf:
 
 		/* We implement the SO_SNDLOWAT etc to
 		   not be settable (1003.1g 5.3) */
+	case SO_RXQ_OVFL:
+		if (valbool)
+			sock_set_flag(sk, SOCK_RXQ_OVFL);
+		else
+			sock_reset_flag(sk, SOCK_RXQ_OVFL);
+		break;
 	default:
 		ret = -ENOPROTOOPT;
 		break;
@@ -901,6 +912,10 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
 		v.val = sk->sk_mark;
 		break;
 
+	case SO_RXQ_OVFL:
+		v.val = !!sock_flag(sk, SOCK_RXQ_OVFL);
+		break;
+
 	default:
 		return -ENOPROTOOPT;
 	}
diff --git a/net/ieee802154/dgram.c b/net/ieee802154/dgram.c
index a413b1bf446..25ad956a39d 100644
--- a/net/ieee802154/dgram.c
+++ b/net/ieee802154/dgram.c
@@ -303,7 +303,7 @@ static int dgram_recvmsg(struct kiocb *iocb, struct sock *sk,
 	if (err)
 		goto done;
 
-	sock_recv_timestamp(msg, sk, skb);
+	sock_recv_ts_and_drops(msg, sk, skb);
 
 	if (flags & MSG_TRUNC)
 		copied = skb->len;
diff --git a/net/ieee802154/raw.c b/net/ieee802154/raw.c
index 30e74eee07d..769c8d138fc 100644
--- a/net/ieee802154/raw.c
+++ b/net/ieee802154/raw.c
@@ -191,7 +191,7 @@ static int raw_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 	if (err)
 		goto done;
 
-	sock_recv_timestamp(msg, sk, skb);
+	sock_recv_ts_and_drops(msg, sk, skb);
 
 	if (flags & MSG_TRUNC)
 		copied = skb->len;
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index 757c9171e7c..f18172b0761 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -682,7 +682,7 @@ static int raw_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 	if (err)
 		goto done;
 
-	sock_recv_timestamp(msg, sk, skb);
+	sock_recv_ts_and_drops(msg, sk, skb);
 
 	/* Copy the address. */
 	if (sin) {
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 194bcdc6d9f..71e5353b30c 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -955,7 +955,7 @@ try_again:
 		UDP_INC_STATS_USER(sock_net(sk),
 				UDP_MIB_INDATAGRAMS, is_udplite);
 
-	sock_recv_timestamp(msg, sk, skb);
+	sock_recv_ts_and_drops(msg, sk, skb);
 
 	/* Copy the address. */
 	if (sin) {
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 4f24570b086..d8375bc7f2d 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -497,7 +497,7 @@ static int rawv6_recvmsg(struct kiocb *iocb, struct sock *sk,
 			sin6->sin6_scope_id = IP6CB(skb)->iif;
 	}
 
-	sock_recv_timestamp(msg, sk, skb);
+	sock_recv_ts_and_drops(msg, sk, skb);
 
 	if (np->rxopt.all)
 		datagram_recv_ctl(sk, msg, skb);
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index ff778c172ef..1f8e2afa449 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -252,7 +252,7 @@ try_again:
 					UDP_MIB_INDATAGRAMS, is_udplite);
 	}
 
-	sock_recv_timestamp(msg, sk, skb);
+	sock_recv_ts_and_drops(msg, sk, skb);
 
 	/* Copy the address. */
 	if (msg->msg_name) {
diff --git a/net/key/af_key.c b/net/key/af_key.c
index c078ae6e975..472f6594184 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -3606,7 +3606,7 @@ static int pfkey_recvmsg(struct kiocb *kiocb,
 	if (err)
 		goto out_free;
 
-	sock_recv_timestamp(msg, sk, skb);
+	sock_recv_ts_and_drops(msg, sk, skb);
 
 	err = (flags & MSG_TRUNC) ? skb->len : copied;
 
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index f87ed4803c1..bf3a2954cd4 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -627,15 +627,14 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev,
 
 	spin_lock(&sk->sk_receive_queue.lock);
 	po->stats.tp_packets++;
+	skb->dropcount = atomic_read(&sk->sk_drops);
 	__skb_queue_tail(&sk->sk_receive_queue, skb);
 	spin_unlock(&sk->sk_receive_queue.lock);
 	sk->sk_data_ready(sk, skb->len);
 	return 0;
 
 drop_n_acct:
-	spin_lock(&sk->sk_receive_queue.lock);
-	po->stats.tp_drops++;
-	spin_unlock(&sk->sk_receive_queue.lock);
+	po->stats.tp_drops = atomic_inc_return(&sk->sk_drops);
 
 drop_n_restore:
 	if (skb_head != skb->data && skb_shared(skb)) {
@@ -1478,7 +1477,7 @@ static int packet_recvmsg(struct kiocb *iocb, struct socket *sock,
 	if (err)
 		goto out_free;
 
-	sock_recv_timestamp(msg, sk, skb);
+	sock_recv_ts_and_drops(msg, sk, skb);
 
 	if (msg->msg_name)
 		memcpy(msg->msg_name, &PACKET_SKB_CB(skb)->sa,
diff --git a/net/rxrpc/ar-recvmsg.c b/net/rxrpc/ar-recvmsg.c
index a39bf97f883..60c2b94e6b5 100644
--- a/net/rxrpc/ar-recvmsg.c
+++ b/net/rxrpc/ar-recvmsg.c
@@ -146,7 +146,7 @@ int rxrpc_recvmsg(struct kiocb *iocb, struct socket *sock,
 				memcpy(msg->msg_name,
 				       &call->conn->trans->peer->srx,
 				       sizeof(call->conn->trans->peer->srx));
-			sock_recv_timestamp(msg, &rx->sk, skb);
+			sock_recv_ts_and_drops(msg, &rx->sk, skb);
 		}
 
 		/* receive the message */
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index c8d05758661..0970e92c6ac 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -1958,7 +1958,7 @@ SCTP_STATIC int sctp_recvmsg(struct kiocb *iocb, struct sock *sk,
 	if (err)
 		goto out_free;
 
-	sock_recv_timestamp(msg, sk, skb);
+	sock_recv_ts_and_drops(msg, sk, skb);
 	if (sctp_ulpevent_is_notification(event)) {
 		msg->msg_flags |= MSG_NOTIFICATION;
 		sp->pf->event_msgname(event, msg->msg_name, addr_len);
diff --git a/net/socket.c b/net/socket.c
index 954f3381cc8..80793569384 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -668,6 +668,21 @@ void __sock_recv_timestamp(struct msghdr *msg, struct sock *sk,
 
 EXPORT_SYMBOL_GPL(__sock_recv_timestamp);
 
+inline void sock_recv_drops(struct msghdr *msg, struct sock *sk, struct sk_buff *skb)
+{
+	if (sock_flag(sk, SOCK_RXQ_OVFL) && skb && skb->dropcount)
+		put_cmsg(msg, SOL_SOCKET, SO_RXQ_OVFL,
+			sizeof(__u32), &skb->dropcount);
+}
+
+void sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk,
+	struct sk_buff *skb)
+{
+	sock_recv_timestamp(msg, sk, skb);
+	sock_recv_drops(msg, sk, skb);
+}
+EXPORT_SYMBOL_GPL(sock_recv_ts_and_drops);
+
 static inline int __sock_recvmsg(struct kiocb *iocb, struct socket *sock,
 				 struct msghdr *msg, size_t size, int flags)
 {
-- 
GitLab


From fad9ab2cefd3a3b4754f49eb41e2f43ea314cdce Mon Sep 17 00:00:00 2001
From: Sarveshwar Bandi <sarveshwarb@serverengines.com>
Date: Mon, 12 Oct 2009 04:23:15 -0700
Subject: [PATCH 0240/1815] be2net: Implement ethtool get_phys_id function.

Signed-off-by: Sarveshwar Bandi <sarveshwarb@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/benet/be_cmds.c    | 59 ++++++++++++++++++++++++++++++++++
 drivers/net/benet/be_cmds.h    | 37 +++++++++++++++++++++
 drivers/net/benet/be_ethtool.c | 30 +++++++++++++++++
 3 files changed, 126 insertions(+)

diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c
index 89876ade5e3..25b6602e464 100644
--- a/drivers/net/benet/be_cmds.c
+++ b/drivers/net/benet/be_cmds.c
@@ -1118,6 +1118,65 @@ int be_cmd_reset_function(struct be_adapter *adapter)
 	return status;
 }
 
+/* Uses sync mcc */
+int be_cmd_set_beacon_state(struct be_adapter *adapter, u8 port_num,
+			u8 bcn, u8 sts, u8 state)
+{
+	struct be_mcc_wrb *wrb;
+	struct be_cmd_req_enable_disable_beacon *req;
+	int status;
+
+	spin_lock_bh(&adapter->mcc_lock);
+
+	wrb = wrb_from_mccq(adapter);
+	req = embedded_payload(wrb);
+
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+
+	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+		OPCODE_COMMON_ENABLE_DISABLE_BEACON, sizeof(*req));
+
+	req->port_num = port_num;
+	req->beacon_state = state;
+	req->beacon_duration = bcn;
+	req->status_duration = sts;
+
+	status = be_mcc_notify_wait(adapter);
+
+	spin_unlock_bh(&adapter->mcc_lock);
+	return status;
+}
+
+/* Uses sync mcc */
+int be_cmd_get_beacon_state(struct be_adapter *adapter, u8 port_num, u32 *state)
+{
+	struct be_mcc_wrb *wrb;
+	struct be_cmd_req_get_beacon_state *req;
+	int status;
+
+	spin_lock_bh(&adapter->mcc_lock);
+
+	wrb = wrb_from_mccq(adapter);
+	req = embedded_payload(wrb);
+
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+
+	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+		OPCODE_COMMON_GET_BEACON_STATE, sizeof(*req));
+
+	req->port_num = port_num;
+
+	status = be_mcc_notify_wait(adapter);
+	if (!status) {
+		struct be_cmd_resp_get_beacon_state *resp =
+						embedded_payload(wrb);
+		*state = resp->beacon_state;
+	}
+
+	spin_unlock_bh(&adapter->mcc_lock);
+	return status;
+}
+
 int be_cmd_write_flashrom(struct be_adapter *adapter, struct be_dma_mem *cmd,
 			u32 flash_type, u32 flash_opcode, u32 buf_size)
 {
diff --git a/drivers/net/benet/be_cmds.h b/drivers/net/benet/be_cmds.h
index a86f917f85f..a1e78cc3e17 100644
--- a/drivers/net/benet/be_cmds.h
+++ b/drivers/net/benet/be_cmds.h
@@ -138,6 +138,8 @@ struct be_mcc_mailbox {
 #define OPCODE_COMMON_NTWK_PMAC_ADD			59
 #define OPCODE_COMMON_NTWK_PMAC_DEL			60
 #define OPCODE_COMMON_FUNCTION_RESET			61
+#define OPCODE_COMMON_ENABLE_DISABLE_BEACON		69
+#define OPCODE_COMMON_GET_BEACON_STATE			70
 
 #define OPCODE_ETH_ACPI_CONFIG				2
 #define OPCODE_ETH_PROMISCUOUS				3
@@ -699,6 +701,37 @@ struct be_cmd_resp_query_fw_cfg {
 	u32 rsvd[26];
 };
 
+/******************** Port Beacon ***************************/
+
+#define BEACON_STATE_ENABLED		0x1
+#define BEACON_STATE_DISABLED		0x0
+
+struct be_cmd_req_enable_disable_beacon {
+	struct be_cmd_req_hdr hdr;
+	u8  port_num;
+	u8  beacon_state;
+	u8  beacon_duration;
+	u8  status_duration;
+} __packed;
+
+struct be_cmd_resp_enable_disable_beacon {
+	struct be_cmd_resp_hdr resp_hdr;
+	u32 rsvd0;
+} __packed;
+
+struct be_cmd_req_get_beacon_state {
+	struct be_cmd_req_hdr hdr;
+	u8  port_num;
+	u8  rsvd0;
+	u16 rsvd1;
+} __packed;
+
+struct be_cmd_resp_get_beacon_state {
+	struct be_cmd_resp_hdr resp_hdr;
+	u8 beacon_state;
+	u8 rsvd0[3];
+} __packed;
+
 /****************** Firmware Flash ******************/
 struct flashrom_params {
 	u32 op_code;
@@ -764,6 +797,10 @@ extern int be_cmd_query_fw_cfg(struct be_adapter *adapter,
 			u32 *port_num, u32 *cap);
 extern int be_cmd_reset_function(struct be_adapter *adapter);
 extern int be_process_mcc(struct be_adapter *adapter);
+extern int be_cmd_set_beacon_state(struct be_adapter *adapter,
+			u8 port_num, u8 beacon, u8 status, u8 state);
+extern int be_cmd_get_beacon_state(struct be_adapter *adapter,
+			u8 port_num, u32 *state);
 extern int be_cmd_write_flashrom(struct be_adapter *adapter,
 			struct be_dma_mem *cmd, u32 flash_oper,
 			u32 flash_opcode, u32 buf_size);
diff --git a/drivers/net/benet/be_ethtool.c b/drivers/net/benet/be_ethtool.c
index 333729bd6d9..280471e1869 100644
--- a/drivers/net/benet/be_ethtool.c
+++ b/drivers/net/benet/be_ethtool.c
@@ -337,6 +337,35 @@ be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
 	return status;
 }
 
+static int
+be_phys_id(struct net_device *netdev, u32 data)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+	int status;
+	u32 cur;
+
+	if (!netif_running(netdev))
+		return 0;
+
+	be_cmd_get_beacon_state(adapter, adapter->port_num, &cur);
+
+	if (cur == BEACON_STATE_ENABLED)
+		return 0;
+
+	if (data < 2)
+		data = 2;
+
+	status = be_cmd_set_beacon_state(adapter, adapter->port_num, 0, 0,
+			BEACON_STATE_ENABLED);
+	set_current_state(TASK_INTERRUPTIBLE);
+	schedule_timeout(data*HZ);
+
+	status = be_cmd_set_beacon_state(adapter, adapter->port_num, 0, 0,
+			BEACON_STATE_DISABLED);
+
+	return status;
+}
+
 static int
 be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
 {
@@ -369,6 +398,7 @@ const struct ethtool_ops be_ethtool_ops = {
 	.get_tso = ethtool_op_get_tso,
 	.set_tso = ethtool_op_set_tso,
 	.get_strings = be_get_stat_strings,
+	.phys_id = be_phys_id,
 	.get_sset_count = be_get_sset_count,
 	.get_ethtool_stats = be_get_ethtool_stats,
 	.flash_device = be_do_flash,
-- 
GitLab


From 5402240c0bc621ef6865c80043bda30a29365948 Mon Sep 17 00:00:00 2001
From: Valentine Barshak <vbarshak@ru.mvista.com>
Date: Mon, 12 Oct 2009 04:25:05 -0700
Subject: [PATCH 0241/1815] pasemi_mac: ethtool set settings support

Add ethtool set settings to pasemi_mac_ethtool.

Signed-off-by: Valentine Barshak <vbarshak@ru.mvista.com>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/pasemi_mac_ethtool.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/net/pasemi_mac_ethtool.c b/drivers/net/pasemi_mac_ethtool.c
index 28a86224879..fefa79e34b9 100644
--- a/drivers/net/pasemi_mac_ethtool.c
+++ b/drivers/net/pasemi_mac_ethtool.c
@@ -77,6 +77,19 @@ pasemi_mac_ethtool_get_settings(struct net_device *netdev,
 	return phy_ethtool_gset(phydev, cmd);
 }
 
+static int
+pasemi_mac_ethtool_set_settings(struct net_device *netdev,
+			       struct ethtool_cmd *cmd)
+{
+	struct pasemi_mac *mac = netdev_priv(netdev);
+	struct phy_device *phydev = mac->phydev;
+
+	if (!phydev)
+		return -EOPNOTSUPP;
+
+	return phy_ethtool_sset(phydev, cmd);
+}
+
 static void
 pasemi_mac_ethtool_get_drvinfo(struct net_device *netdev,
 			       struct ethtool_drvinfo *drvinfo)
@@ -150,6 +163,7 @@ static void pasemi_mac_get_strings(struct net_device *netdev, u32 stringset,
 
 const struct ethtool_ops pasemi_mac_ethtool_ops = {
 	.get_settings		= pasemi_mac_ethtool_get_settings,
+	.set_settings		= pasemi_mac_ethtool_set_settings,
 	.get_drvinfo		= pasemi_mac_ethtool_get_drvinfo,
 	.get_msglevel		= pasemi_mac_ethtool_get_msglevel,
 	.set_msglevel		= pasemi_mac_ethtool_set_msglevel,
-- 
GitLab


From c05e85a06e376f6b6d59e71e5333d707e956d78b Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Mon, 12 Oct 2009 23:18:35 -0700
Subject: [PATCH 0242/1815] cnic: Need to include net/ip6_checksum.h

drivers/net/cnic.c: In function 'cnic_init_storm_conn_bufs':
drivers/net/cnic.c:1757: error: implicit declaration of function 'csum_ipv6_magic'

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/cnic.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c
index 6e7af7bb485..333b1d1e743 100644
--- a/drivers/net/cnic.c
+++ b/drivers/net/cnic.c
@@ -33,6 +33,7 @@
 #include <net/route.h>
 #include <net/ipv6.h>
 #include <net/ip6_route.h>
+#include <net/ip6_checksum.h>
 #include <scsi/iscsi_if.h>
 
 #include "cnic_if.h"
-- 
GitLab


From a2e2725541fad72416326798c2d7fa4dafb7d337 Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Mon, 12 Oct 2009 23:40:10 -0700
Subject: [PATCH 0243/1815] net: Introduce recvmmsg socket syscall
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Meaning receive multiple messages, reducing the number of syscalls and
net stack entry/exit operations.

Next patches will introduce mechanisms where protocols that want to
optimize this operation will provide an unlocked_recvmsg operation.

This takes into account comments made by:

. Paul Moore: sock_recvmsg is called only for the first datagram,
  sock_recvmsg_nosec is used for the rest.

. Caitlin Bestler: recvmmsg now has a struct timespec timeout, that
  works in the same fashion as the ppoll one.

  If the underlying protocol returns a datagram with MSG_OOB set, this
  will make recvmmsg return right away with as many datagrams (+ the OOB
  one) it has received so far.

. Rémi Denis-Courmont & Steven Whitehouse: If we receive N < vlen
  datagrams and then recvmsg returns an error, recvmmsg will return
  the successfully received datagrams, store the error and return it
  in the next call.

This paves the way for a subsequent optimization, sk_prot->unlocked_recvmsg,
where we will be able to acquire the lock only at batch start and end, not at
every underlying recvmsg call.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 arch/alpha/kernel/systbls.S            |   1 +
 arch/arm/kernel/calls.S                |   1 +
 arch/avr32/kernel/syscall_table.S      |   1 +
 arch/blackfin/mach-common/entry.S      |   1 +
 arch/ia64/kernel/entry.S               |   1 +
 arch/microblaze/kernel/syscall_table.S |   1 +
 arch/mips/kernel/scall32-o32.S         |   1 +
 arch/mips/kernel/scall64-64.S          |   1 +
 arch/mips/kernel/scall64-n32.S         |   1 +
 arch/mips/kernel/scall64-o32.S         |   1 +
 arch/sh/kernel/syscalls_64.S           |   1 +
 arch/sparc/kernel/systbls_32.S         |   2 +-
 arch/sparc/kernel/systbls_64.S         |   4 +-
 arch/x86/ia32/ia32entry.S              |   1 +
 arch/x86/include/asm/unistd_32.h       |   3 +-
 arch/x86/include/asm/unistd_64.h       |   2 +
 arch/x86/kernel/syscall_table_32.S     |   1 +
 arch/xtensa/include/asm/unistd.h       |   4 +-
 include/linux/net.h                    |   1 +
 include/linux/socket.h                 |  10 ++
 include/linux/syscalls.h               |   4 +
 include/net/compat.h                   |   8 +
 kernel/sys_ni.c                        |   2 +
 net/compat.c                           |  33 +++-
 net/socket.c                           | 225 ++++++++++++++++++++-----
 25 files changed, 261 insertions(+), 50 deletions(-)

diff --git a/arch/alpha/kernel/systbls.S b/arch/alpha/kernel/systbls.S
index 95c9aef1c10..cda6b8b3d57 100644
--- a/arch/alpha/kernel/systbls.S
+++ b/arch/alpha/kernel/systbls.S
@@ -497,6 +497,7 @@ sys_call_table:
 	.quad sys_signalfd
 	.quad sys_ni_syscall
 	.quad sys_eventfd
+	.quad sys_recvmmsg
 
 	.size sys_call_table, . - sys_call_table
 	.type sys_call_table, @object
diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index fafce1b5c69..f58c1156e77 100644
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -374,6 +374,7 @@
 		CALL(sys_pwritev)
 		CALL(sys_rt_tgsigqueueinfo)
 		CALL(sys_perf_event_open)
+/* 365 */	CALL(sys_recvmmsg)
 #ifndef syscalls_counted
 .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
 #define syscalls_counted
diff --git a/arch/avr32/kernel/syscall_table.S b/arch/avr32/kernel/syscall_table.S
index 7ee0057613b..e76bad16b0f 100644
--- a/arch/avr32/kernel/syscall_table.S
+++ b/arch/avr32/kernel/syscall_table.S
@@ -295,4 +295,5 @@ sys_call_table:
 	.long	sys_signalfd
 	.long	sys_ni_syscall		/* 280, was sys_timerfd */
 	.long	sys_eventfd
+	.long	sys_recvmmsg
 	.long	sys_ni_syscall		/* r8 is saturated at nr_syscalls */
diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S
index 1e7cac23e25..48692724b74 100644
--- a/arch/blackfin/mach-common/entry.S
+++ b/arch/blackfin/mach-common/entry.S
@@ -1621,6 +1621,7 @@ ENTRY(_sys_call_table)
 	.long _sys_pwritev
 	.long _sys_rt_tgsigqueueinfo
 	.long _sys_perf_event_open
+	.long _sys_recvmmsg		/* 370 */
 
 	.rept NR_syscalls-(.-_sys_call_table)/4
 	.long _sys_ni_syscall
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index d0e7d37017b..d75b872ca4d 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1806,6 +1806,7 @@ sys_call_table:
 	data8 sys_preadv
 	data8 sys_pwritev			// 1320
 	data8 sys_rt_tgsigqueueinfo
+	data8 sys_recvmmsg
 
 	.org sys_call_table + 8*NR_syscalls	// guard against failures to increase NR_syscalls
 #endif /* __IA64_ASM_PARAVIRTUALIZED_NATIVE */
diff --git a/arch/microblaze/kernel/syscall_table.S b/arch/microblaze/kernel/syscall_table.S
index ecec1915513..c1ab1dc1089 100644
--- a/arch/microblaze/kernel/syscall_table.S
+++ b/arch/microblaze/kernel/syscall_table.S
@@ -371,3 +371,4 @@ ENTRY(sys_call_table)
 	.long sys_ni_syscall
 	.long sys_rt_tgsigqueueinfo	/* 365 */
 	.long sys_perf_event_open
+	.long sys_recvmmsg
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index fd2a9bb620d..17202bbe843 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -583,6 +583,7 @@ einval:	li	v0, -ENOSYS
 	sys	sys_rt_tgsigqueueinfo	4
 	sys	sys_perf_event_open	5
 	sys	sys_accept4		4
+	sys     sys_recvmmsg            5
 	.endm
 
 	/* We pre-compute the number of _instruction_ bytes needed to
diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S
index 18bf7f32c5e..a8a6c596eb0 100644
--- a/arch/mips/kernel/scall64-64.S
+++ b/arch/mips/kernel/scall64-64.S
@@ -420,4 +420,5 @@ sys_call_table:
 	PTR	sys_rt_tgsigqueueinfo
 	PTR	sys_perf_event_open
 	PTR	sys_accept4
+	PTR     sys_recvmmsg
 	.size	sys_call_table,.-sys_call_table
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index 6ebc0797669..5154e64f7cf 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -418,4 +418,5 @@ EXPORT(sysn32_call_table)
 	PTR	compat_sys_rt_tgsigqueueinfo	/* 5295 */
 	PTR	sys_perf_event_open
 	PTR	sys_accept4
+	PTR     compat_sys_recvmmsg
 	.size	sysn32_call_table,.-sysn32_call_table
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 9bbf9775e0b..d0eff53d7cb 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -538,4 +538,5 @@ sys_call_table:
 	PTR	compat_sys_rt_tgsigqueueinfo
 	PTR	sys_perf_event_open
 	PTR	sys_accept4
+	PTR     compat_sys_recvmmsg
 	.size	sys_call_table,.-sys_call_table
diff --git a/arch/sh/kernel/syscalls_64.S b/arch/sh/kernel/syscalls_64.S
index 5bfde6c7749..07d2aaea9ae 100644
--- a/arch/sh/kernel/syscalls_64.S
+++ b/arch/sh/kernel/syscalls_64.S
@@ -391,3 +391,4 @@ sys_call_table:
 	.long sys_pwritev
 	.long sys_rt_tgsigqueueinfo
 	.long sys_perf_event_open
+	.long sys_recvmmsg		/* 365 */
diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S
index 0f1658d3749..ceb1530f8aa 100644
--- a/arch/sparc/kernel/systbls_32.S
+++ b/arch/sparc/kernel/systbls_32.S
@@ -82,5 +82,5 @@ sys_call_table:
 /*310*/	.long sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate
 /*315*/	.long sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1
 /*320*/	.long sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv
-/*325*/	.long sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open
+/*325*/	.long sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open, sys_recvmmsg
 
diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index 009825f6e73..f37bef747e6 100644
--- a/arch/sparc/kernel/systbls_64.S
+++ b/arch/sparc/kernel/systbls_64.S
@@ -83,7 +83,7 @@ sys_call_table32:
 /*310*/	.word compat_sys_utimensat, compat_sys_signalfd, sys_timerfd_create, sys_eventfd, compat_sys_fallocate
 	.word compat_sys_timerfd_settime, compat_sys_timerfd_gettime, compat_sys_signalfd4, sys_eventfd2, sys_epoll_create1
 /*320*/	.word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, compat_sys_preadv
-	.word compat_sys_pwritev, compat_sys_rt_tgsigqueueinfo, sys_perf_event_open
+	.word compat_sys_pwritev, compat_sys_rt_tgsigqueueinfo, sys_perf_event_open, compat_sys_recvmmsg
 
 #endif /* CONFIG_COMPAT */
 
@@ -158,4 +158,4 @@ sys_call_table:
 /*310*/	.word sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate
 	.word sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1
 /*320*/	.word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv
-	.word sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open
+	.word sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open, sys_recvmmsg
diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
index 74619c4f9fd..11a6c79d5f4 100644
--- a/arch/x86/ia32/ia32entry.S
+++ b/arch/x86/ia32/ia32entry.S
@@ -832,4 +832,5 @@ ia32_sys_call_table:
 	.quad compat_sys_pwritev
 	.quad compat_sys_rt_tgsigqueueinfo	/* 335 */
 	.quad sys_perf_event_open
+	.quad compat_sys_recvmmsg
 ia32_syscall_end:
diff --git a/arch/x86/include/asm/unistd_32.h b/arch/x86/include/asm/unistd_32.h
index 6fb3c209a7e..3baf379fa84 100644
--- a/arch/x86/include/asm/unistd_32.h
+++ b/arch/x86/include/asm/unistd_32.h
@@ -342,10 +342,11 @@
 #define __NR_pwritev		334
 #define __NR_rt_tgsigqueueinfo	335
 #define __NR_perf_event_open	336
+#define __NR_recvmmsg		337
 
 #ifdef __KERNEL__
 
-#define NR_syscalls 337
+#define NR_syscalls 338
 
 #define __ARCH_WANT_IPC_PARSE_VERSION
 #define __ARCH_WANT_OLD_READDIR
diff --git a/arch/x86/include/asm/unistd_64.h b/arch/x86/include/asm/unistd_64.h
index 8d3ad0adbc6..4843f7ba754 100644
--- a/arch/x86/include/asm/unistd_64.h
+++ b/arch/x86/include/asm/unistd_64.h
@@ -661,6 +661,8 @@ __SYSCALL(__NR_pwritev, sys_pwritev)
 __SYSCALL(__NR_rt_tgsigqueueinfo, sys_rt_tgsigqueueinfo)
 #define __NR_perf_event_open			298
 __SYSCALL(__NR_perf_event_open, sys_perf_event_open)
+#define __NR_recvmmsg				299
+__SYSCALL(__NR_recvmmsg, sys_recvmmsg)
 
 #ifndef __NO_STUBS
 #define __ARCH_WANT_OLD_READDIR
diff --git a/arch/x86/kernel/syscall_table_32.S b/arch/x86/kernel/syscall_table_32.S
index 0157cd26d7c..70c2125d55b 100644
--- a/arch/x86/kernel/syscall_table_32.S
+++ b/arch/x86/kernel/syscall_table_32.S
@@ -336,3 +336,4 @@ ENTRY(sys_call_table)
 	.long sys_pwritev
 	.long sys_rt_tgsigqueueinfo	/* 335 */
 	.long sys_perf_event_open
+	.long sys_recvmmsg
diff --git a/arch/xtensa/include/asm/unistd.h b/arch/xtensa/include/asm/unistd.h
index c092c8fbb2c..4e55dc76302 100644
--- a/arch/xtensa/include/asm/unistd.h
+++ b/arch/xtensa/include/asm/unistd.h
@@ -681,8 +681,10 @@ __SYSCALL(304, sys_signalfd, 3)
 __SYSCALL(305, sys_ni_syscall, 0)
 #define __NR_eventfd				306
 __SYSCALL(306, sys_eventfd, 1)
+#define __NR_recvmmsg				307
+__SYSCALL(307, sys_recvmmsg, 5)
 
-#define __NR_syscall_count			307
+#define __NR_syscall_count			308
 
 /*
  * sysxtensa syscall handler
diff --git a/include/linux/net.h b/include/linux/net.h
index 529a0931711..b42bb60fe92 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -41,6 +41,7 @@
 #define SYS_SENDMSG	16		/* sys_sendmsg(2)		*/
 #define SYS_RECVMSG	17		/* sys_recvmsg(2)		*/
 #define SYS_ACCEPT4	18		/* sys_accept4(2)		*/
+#define SYS_RECVMMSG	19		/* sys_recvmmsg(2)		*/
 
 typedef enum {
 	SS_FREE = 0,			/* not allocated		*/
diff --git a/include/linux/socket.h b/include/linux/socket.h
index 3273a0c5043..59966f12990 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -65,6 +65,12 @@ struct msghdr {
 	unsigned	msg_flags;
 };
 
+/* For recvmmsg/sendmmsg */
+struct mmsghdr {
+	struct msghdr   msg_hdr;
+	unsigned        msg_len;
+};
+
 /*
  *	POSIX 1003.1g - ancillary data object information
  *	Ancillary data consits of a sequence of pairs of
@@ -312,6 +318,10 @@ extern int move_addr_to_user(struct sockaddr *kaddr, int klen, void __user *uadd
 extern int move_addr_to_kernel(void __user *uaddr, int ulen, struct sockaddr *kaddr);
 extern int put_cmsg(struct msghdr*, int level, int type, int len, void *data);
 
+struct timespec;
+
+extern int __sys_recvmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
+			  unsigned int flags, struct timespec *timeout);
 #endif
 #endif /* not kernel and not glibc */
 #endif /* _LINUX_SOCKET_H */
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index a990ace1a83..714f063a3e6 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -25,6 +25,7 @@ struct linux_dirent64;
 struct list_head;
 struct msgbuf;
 struct msghdr;
+struct mmsghdr;
 struct msqid_ds;
 struct new_utsname;
 struct nfsctl_arg;
@@ -677,6 +678,9 @@ asmlinkage long sys_recv(int, void __user *, size_t, unsigned);
 asmlinkage long sys_recvfrom(int, void __user *, size_t, unsigned,
 				struct sockaddr __user *, int __user *);
 asmlinkage long sys_recvmsg(int fd, struct msghdr __user *msg, unsigned flags);
+asmlinkage long sys_recvmmsg(int fd, struct mmsghdr __user *msg,
+			     unsigned int vlen, unsigned flags,
+			     struct timespec __user *timeout);
 asmlinkage long sys_socket(int, int, int);
 asmlinkage long sys_socketpair(int, int, int, int __user *);
 asmlinkage long sys_socketcall(int call, unsigned long __user *args);
diff --git a/include/net/compat.h b/include/net/compat.h
index 7c3002832d0..9679f05e989 100644
--- a/include/net/compat.h
+++ b/include/net/compat.h
@@ -18,6 +18,11 @@ struct compat_msghdr {
 	compat_uint_t	msg_flags;
 };
 
+struct compat_mmsghdr {
+	struct compat_msghdr msg_hdr;
+	compat_uint_t        msg_len;
+};
+
 struct compat_cmsghdr {
 	compat_size_t	cmsg_len;
 	compat_int_t	cmsg_level;
@@ -35,6 +40,9 @@ extern int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *);
 extern int verify_compat_iovec(struct msghdr *, struct iovec *, struct sockaddr *, int);
 extern asmlinkage long compat_sys_sendmsg(int,struct compat_msghdr __user *,unsigned);
 extern asmlinkage long compat_sys_recvmsg(int,struct compat_msghdr __user *,unsigned);
+extern asmlinkage long compat_sys_recvmmsg(int, struct compat_mmsghdr __user *,
+					   unsigned, unsigned,
+					   struct timespec __user *);
 extern asmlinkage long compat_sys_getsockopt(int, int, int, char __user *, int __user *);
 extern int put_cmsg_compat(struct msghdr*, int, int, int, void *);
 
diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c
index e06d0b8d195..f050ba85d42 100644
--- a/kernel/sys_ni.c
+++ b/kernel/sys_ni.c
@@ -48,8 +48,10 @@ cond_syscall(sys_shutdown);
 cond_syscall(sys_sendmsg);
 cond_syscall(compat_sys_sendmsg);
 cond_syscall(sys_recvmsg);
+cond_syscall(sys_recvmmsg);
 cond_syscall(compat_sys_recvmsg);
 cond_syscall(compat_sys_recvfrom);
+cond_syscall(compat_sys_recvmmsg);
 cond_syscall(sys_socketcall);
 cond_syscall(sys_futex);
 cond_syscall(compat_sys_futex);
diff --git a/net/compat.c b/net/compat.c
index a407c3addba..e13f5256fd2 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -727,10 +727,10 @@ EXPORT_SYMBOL(compat_mc_getsockopt);
 
 /* Argument list sizes for compat_sys_socketcall */
 #define AL(x) ((x) * sizeof(u32))
-static unsigned char nas[19]={AL(0),AL(3),AL(3),AL(3),AL(2),AL(3),
+static unsigned char nas[20]={AL(0),AL(3),AL(3),AL(3),AL(2),AL(3),
 				AL(3),AL(3),AL(4),AL(4),AL(4),AL(6),
 				AL(6),AL(2),AL(5),AL(5),AL(3),AL(3),
-				AL(4)};
+				AL(4),AL(5)};
 #undef AL
 
 asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg, unsigned flags)
@@ -755,13 +755,36 @@ asmlinkage long compat_sys_recvfrom(int fd, void __user *buf, size_t len,
 	return sys_recvfrom(fd, buf, len, flags | MSG_CMSG_COMPAT, addr, addrlen);
 }
 
+asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg,
+				    unsigned vlen, unsigned int flags,
+				    struct timespec __user *timeout)
+{
+	int datagrams;
+	struct timespec ktspec;
+	struct compat_timespec __user *utspec =
+			(struct compat_timespec __user *)timeout;
+
+	if (get_user(ktspec.tv_sec, &utspec->tv_sec) ||
+	    get_user(ktspec.tv_nsec, &utspec->tv_nsec))
+		return -EFAULT;
+
+	datagrams = __sys_recvmmsg(fd, (struct mmsghdr __user *)mmsg, vlen,
+				   flags | MSG_CMSG_COMPAT, &ktspec);
+	if (datagrams > 0 &&
+	    (put_user(ktspec.tv_sec, &utspec->tv_sec) ||
+	     put_user(ktspec.tv_nsec, &utspec->tv_nsec)))
+		datagrams = -EFAULT;
+
+	return datagrams;
+}
+
 asmlinkage long compat_sys_socketcall(int call, u32 __user *args)
 {
 	int ret;
 	u32 a[6];
 	u32 a0, a1;
 
-	if (call < SYS_SOCKET || call > SYS_ACCEPT4)
+	if (call < SYS_SOCKET || call > SYS_RECVMMSG)
 		return -EINVAL;
 	if (copy_from_user(a, args, nas[call]))
 		return -EFAULT;
@@ -823,6 +846,10 @@ asmlinkage long compat_sys_socketcall(int call, u32 __user *args)
 	case SYS_RECVMSG:
 		ret = compat_sys_recvmsg(a0, compat_ptr(a1), a[2]);
 		break;
+	case SYS_RECVMMSG:
+		ret = compat_sys_recvmmsg(a0, compat_ptr(a1), a[2], a[3],
+					  compat_ptr(a[4]));
+		break;
 	case SYS_ACCEPT4:
 		ret = sys_accept4(a0, compat_ptr(a1), compat_ptr(a[2]), a[3]);
 		break;
diff --git a/net/socket.c b/net/socket.c
index 80793569384..9dff31c9b79 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -683,10 +683,9 @@ void sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk,
 }
 EXPORT_SYMBOL_GPL(sock_recv_ts_and_drops);
 
-static inline int __sock_recvmsg(struct kiocb *iocb, struct socket *sock,
-				 struct msghdr *msg, size_t size, int flags)
+static inline int __sock_recvmsg_nosec(struct kiocb *iocb, struct socket *sock,
+				       struct msghdr *msg, size_t size, int flags)
 {
-	int err;
 	struct sock_iocb *si = kiocb_to_siocb(iocb);
 
 	si->sock = sock;
@@ -695,13 +694,17 @@ static inline int __sock_recvmsg(struct kiocb *iocb, struct socket *sock,
 	si->size = size;
 	si->flags = flags;
 
-	err = security_socket_recvmsg(sock, msg, size, flags);
-	if (err)
-		return err;
-
 	return sock->ops->recvmsg(iocb, sock, msg, size, flags);
 }
 
+static inline int __sock_recvmsg(struct kiocb *iocb, struct socket *sock,
+				 struct msghdr *msg, size_t size, int flags)
+{
+	int err = security_socket_recvmsg(sock, msg, size, flags);
+
+	return err ?: __sock_recvmsg_nosec(iocb, sock, msg, size, flags);
+}
+
 int sock_recvmsg(struct socket *sock, struct msghdr *msg,
 		 size_t size, int flags)
 {
@@ -717,6 +720,21 @@ int sock_recvmsg(struct socket *sock, struct msghdr *msg,
 	return ret;
 }
 
+static int sock_recvmsg_nosec(struct socket *sock, struct msghdr *msg,
+			      size_t size, int flags)
+{
+	struct kiocb iocb;
+	struct sock_iocb siocb;
+	int ret;
+
+	init_sync_kiocb(&iocb, NULL);
+	iocb.private = &siocb;
+	ret = __sock_recvmsg_nosec(&iocb, sock, msg, size, flags);
+	if (-EIOCBQUEUED == ret)
+		ret = wait_on_sync_kiocb(&iocb);
+	return ret;
+}
+
 int kernel_recvmsg(struct socket *sock, struct msghdr *msg,
 		   struct kvec *vec, size_t num, size_t size, int flags)
 {
@@ -1983,22 +2001,15 @@ out:
 	return err;
 }
 
-/*
- *	BSD recvmsg interface
- */
-
-SYSCALL_DEFINE3(recvmsg, int, fd, struct msghdr __user *, msg,
-		unsigned int, flags)
+static int __sys_recvmsg(struct socket *sock, struct msghdr __user *msg,
+			 struct msghdr *msg_sys, unsigned flags, int nosec)
 {
 	struct compat_msghdr __user *msg_compat =
 	    (struct compat_msghdr __user *)msg;
-	struct socket *sock;
 	struct iovec iovstack[UIO_FASTIOV];
 	struct iovec *iov = iovstack;
-	struct msghdr msg_sys;
 	unsigned long cmsg_ptr;
 	int err, iov_size, total_len, len;
-	int fput_needed;
 
 	/* kernel mode address */
 	struct sockaddr_storage addr;
@@ -2008,27 +2019,23 @@ SYSCALL_DEFINE3(recvmsg, int, fd, struct msghdr __user *, msg,
 	int __user *uaddr_len;
 
 	if (MSG_CMSG_COMPAT & flags) {
-		if (get_compat_msghdr(&msg_sys, msg_compat))
+		if (get_compat_msghdr(msg_sys, msg_compat))
 			return -EFAULT;
 	}
-	else if (copy_from_user(&msg_sys, msg, sizeof(struct msghdr)))
+	else if (copy_from_user(msg_sys, msg, sizeof(struct msghdr)))
 		return -EFAULT;
 
-	sock = sockfd_lookup_light(fd, &err, &fput_needed);
-	if (!sock)
-		goto out;
-
 	err = -EMSGSIZE;
-	if (msg_sys.msg_iovlen > UIO_MAXIOV)
-		goto out_put;
+	if (msg_sys->msg_iovlen > UIO_MAXIOV)
+		goto out;
 
 	/* Check whether to allocate the iovec area */
 	err = -ENOMEM;
-	iov_size = msg_sys.msg_iovlen * sizeof(struct iovec);
-	if (msg_sys.msg_iovlen > UIO_FASTIOV) {
+	iov_size = msg_sys->msg_iovlen * sizeof(struct iovec);
+	if (msg_sys->msg_iovlen > UIO_FASTIOV) {
 		iov = sock_kmalloc(sock->sk, iov_size, GFP_KERNEL);
 		if (!iov)
-			goto out_put;
+			goto out;
 	}
 
 	/*
@@ -2036,46 +2043,47 @@ SYSCALL_DEFINE3(recvmsg, int, fd, struct msghdr __user *, msg,
 	 *      kernel msghdr to use the kernel address space)
 	 */
 
-	uaddr = (__force void __user *)msg_sys.msg_name;
+	uaddr = (__force void __user *)msg_sys->msg_name;
 	uaddr_len = COMPAT_NAMELEN(msg);
 	if (MSG_CMSG_COMPAT & flags) {
-		err = verify_compat_iovec(&msg_sys, iov,
+		err = verify_compat_iovec(msg_sys, iov,
 					  (struct sockaddr *)&addr,
 					  VERIFY_WRITE);
 	} else
-		err = verify_iovec(&msg_sys, iov,
+		err = verify_iovec(msg_sys, iov,
 				   (struct sockaddr *)&addr,
 				   VERIFY_WRITE);
 	if (err < 0)
 		goto out_freeiov;
 	total_len = err;
 
-	cmsg_ptr = (unsigned long)msg_sys.msg_control;
-	msg_sys.msg_flags = flags & (MSG_CMSG_CLOEXEC|MSG_CMSG_COMPAT);
+	cmsg_ptr = (unsigned long)msg_sys->msg_control;
+	msg_sys->msg_flags = flags & (MSG_CMSG_CLOEXEC|MSG_CMSG_COMPAT);
 
 	if (sock->file->f_flags & O_NONBLOCK)
 		flags |= MSG_DONTWAIT;
-	err = sock_recvmsg(sock, &msg_sys, total_len, flags);
+	err = (nosec ? sock_recvmsg_nosec : sock_recvmsg)(sock, msg_sys,
+							  total_len, flags);
 	if (err < 0)
 		goto out_freeiov;
 	len = err;
 
 	if (uaddr != NULL) {
 		err = move_addr_to_user((struct sockaddr *)&addr,
-					msg_sys.msg_namelen, uaddr,
+					msg_sys->msg_namelen, uaddr,
 					uaddr_len);
 		if (err < 0)
 			goto out_freeiov;
 	}
-	err = __put_user((msg_sys.msg_flags & ~MSG_CMSG_COMPAT),
+	err = __put_user((msg_sys->msg_flags & ~MSG_CMSG_COMPAT),
 			 COMPAT_FLAGS(msg));
 	if (err)
 		goto out_freeiov;
 	if (MSG_CMSG_COMPAT & flags)
-		err = __put_user((unsigned long)msg_sys.msg_control - cmsg_ptr,
+		err = __put_user((unsigned long)msg_sys->msg_control - cmsg_ptr,
 				 &msg_compat->msg_controllen);
 	else
-		err = __put_user((unsigned long)msg_sys.msg_control - cmsg_ptr,
+		err = __put_user((unsigned long)msg_sys->msg_control - cmsg_ptr,
 				 &msg->msg_controllen);
 	if (err)
 		goto out_freeiov;
@@ -2084,21 +2092,150 @@ SYSCALL_DEFINE3(recvmsg, int, fd, struct msghdr __user *, msg,
 out_freeiov:
 	if (iov != iovstack)
 		sock_kfree_s(sock->sk, iov, iov_size);
-out_put:
+out:
+	return err;
+}
+
+/*
+ *	BSD recvmsg interface
+ */
+
+SYSCALL_DEFINE3(recvmsg, int, fd, struct msghdr __user *, msg,
+		unsigned int, flags)
+{
+	int fput_needed, err;
+	struct msghdr msg_sys;
+	struct socket *sock = sockfd_lookup_light(fd, &err, &fput_needed);
+
+	if (!sock)
+		goto out;
+
+	err = __sys_recvmsg(sock, msg, &msg_sys, flags, 0);
+
 	fput_light(sock->file, fput_needed);
 out:
 	return err;
 }
 
-#ifdef __ARCH_WANT_SYS_SOCKETCALL
+/*
+ *     Linux recvmmsg interface
+ */
+
+int __sys_recvmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
+		   unsigned int flags, struct timespec *timeout)
+{
+	int fput_needed, err, datagrams;
+	struct socket *sock;
+	struct mmsghdr __user *entry;
+	struct msghdr msg_sys;
+	struct timespec end_time;
+
+	if (timeout &&
+	    poll_select_set_timeout(&end_time, timeout->tv_sec,
+				    timeout->tv_nsec))
+		return -EINVAL;
+
+	datagrams = 0;
+
+	sock = sockfd_lookup_light(fd, &err, &fput_needed);
+	if (!sock)
+		return err;
+
+	err = sock_error(sock->sk);
+	if (err)
+		goto out_put;
+
+	entry = mmsg;
+
+	while (datagrams < vlen) {
+		/*
+		 * No need to ask LSM for more than the first datagram.
+		 */
+		err = __sys_recvmsg(sock, (struct msghdr __user *)entry,
+				    &msg_sys, flags, datagrams);
+		if (err < 0)
+			break;
+		err = put_user(err, &entry->msg_len);
+		if (err)
+			break;
+		++entry;
+		++datagrams;
+
+		if (timeout) {
+			ktime_get_ts(timeout);
+			*timeout = timespec_sub(end_time, *timeout);
+			if (timeout->tv_sec < 0) {
+				timeout->tv_sec = timeout->tv_nsec = 0;
+				break;
+			}
+
+			/* Timeout, return less than vlen datagrams */
+			if (timeout->tv_nsec == 0 && timeout->tv_sec == 0)
+				break;
+		}
+
+		/* Out of band data, return right away */
+		if (msg_sys.msg_flags & MSG_OOB)
+			break;
+	}
+
+out_put:
+	fput_light(sock->file, fput_needed);
 
+	if (err == 0)
+		return datagrams;
+
+	if (datagrams != 0) {
+		/*
+		 * We may return less entries than requested (vlen) if the
+		 * sock is non block and there aren't enough datagrams...
+		 */
+		if (err != -EAGAIN) {
+			/*
+			 * ... or  if recvmsg returns an error after we
+			 * received some datagrams, where we record the
+			 * error to return on the next call or if the
+			 * app asks about it using getsockopt(SO_ERROR).
+			 */
+			sock->sk->sk_err = -err;
+		}
+
+		return datagrams;
+	}
+
+	return err;
+}
+
+SYSCALL_DEFINE5(recvmmsg, int, fd, struct mmsghdr __user *, mmsg,
+		unsigned int, vlen, unsigned int, flags,
+		struct timespec __user *, timeout)
+{
+	int datagrams;
+	struct timespec timeout_sys;
+
+	if (!timeout)
+		return __sys_recvmmsg(fd, mmsg, vlen, flags, NULL);
+
+	if (copy_from_user(&timeout_sys, timeout, sizeof(timeout_sys)))
+		return -EFAULT;
+
+	datagrams = __sys_recvmmsg(fd, mmsg, vlen, flags, &timeout_sys);
+
+	if (datagrams > 0 &&
+	    copy_to_user(timeout, &timeout_sys, sizeof(timeout_sys)))
+		datagrams = -EFAULT;
+
+	return datagrams;
+}
+
+#ifdef __ARCH_WANT_SYS_SOCKETCALL
 /* Argument list sizes for sys_socketcall */
 #define AL(x) ((x) * sizeof(unsigned long))
-static const unsigned char nargs[19]={
+static const unsigned char nargs[20] = {
 	AL(0),AL(3),AL(3),AL(3),AL(2),AL(3),
 	AL(3),AL(3),AL(4),AL(4),AL(4),AL(6),
 	AL(6),AL(2),AL(5),AL(5),AL(3),AL(3),
-	AL(4)
+	AL(4),AL(5)
 };
 
 #undef AL
@@ -2118,7 +2255,7 @@ SYSCALL_DEFINE2(socketcall, int, call, unsigned long __user *, args)
 	int err;
 	unsigned int len;
 
-	if (call < 1 || call > SYS_ACCEPT4)
+	if (call < 1 || call > SYS_RECVMMSG)
 		return -EINVAL;
 
 	len = nargs[call];
@@ -2196,6 +2333,10 @@ SYSCALL_DEFINE2(socketcall, int, call, unsigned long __user *, args)
 	case SYS_RECVMSG:
 		err = sys_recvmsg(a0, (struct msghdr __user *)a1, a[2]);
 		break;
+	case SYS_RECVMMSG:
+		err = sys_recvmmsg(a0, (struct mmsghdr __user *)a1, a[2], a[3],
+				   (struct timespec __user *)a[4]);
+		break;
 	case SYS_ACCEPT4:
 		err = sys_accept4(a0, (struct sockaddr __user *)a1,
 				  (int __user *)a[2], a[3]);
-- 
GitLab


From ccc05c6e1e4fb672c93c98d92079c89a976e80ba Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Mon, 12 Oct 2009 06:00:26 +0000
Subject: [PATCH 0244/1815] gianfar: Some cleanups for startup_gfar()

We're going to split the startup_gfar() into 3 separate functions,
so let's cleanup the code a little bit so that cosmetic changes
won't distract attention from logical ones.

- Remove needless casts (e.g. (struct sk_buff **)kmalloc());
- Turn 'unsigned long vaddr;' into 'void *vaddr', to avoid casting;
- Add new 'struct device *dev' variable as a shorthand for
  '&priv->ofdev->dev' that is used all over the place, also rename
  'struct net_device *dev' to 'struct net_device *ndev';
- Turn printk(KERN_ERR ...) to pr_err(...), which is shorter;
- Don't return bogus -1 (i.e. -EPERM) when request_irq() fails;
- Turn '&priv->regs->' to just '&regs->'.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/gianfar.c | 143 +++++++++++++++++++-----------------------
 1 file changed, 64 insertions(+), 79 deletions(-)

diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 1e5289ffef6..5d6480c7cc9 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -925,16 +925,17 @@ void gfar_start(struct net_device *dev)
 }
 
 /* Bring the controller up and running */
-int startup_gfar(struct net_device *dev)
+int startup_gfar(struct net_device *ndev)
 {
 	struct txbd8 *txbdp;
 	struct rxbd8 *rxbdp;
 	dma_addr_t addr = 0;
-	unsigned long vaddr;
+	void *vaddr;
 	int i;
-	struct gfar_private *priv = netdev_priv(dev);
+	struct gfar_private *priv = netdev_priv(ndev);
+	struct device *dev = &priv->ofdev->dev;
 	struct gfar __iomem *regs = priv->regs;
-	int err = 0;
+	int err;
 	u32 rctrl = 0;
 	u32 tctrl = 0;
 	u32 attrs = 0;
@@ -942,38 +943,34 @@ int startup_gfar(struct net_device *dev)
 	gfar_write(&regs->imask, IMASK_INIT_CLEAR);
 
 	/* Allocate memory for the buffer descriptors */
-	vaddr = (unsigned long) dma_alloc_coherent(&priv->ofdev->dev,
-			sizeof (struct txbd8) * priv->tx_ring_size +
-			sizeof (struct rxbd8) * priv->rx_ring_size,
-			&addr, GFP_KERNEL);
-
-	if (vaddr == 0) {
+	vaddr = dma_alloc_coherent(dev, sizeof(*txbdp) * priv->tx_ring_size +
+					sizeof(*rxbdp) * priv->rx_ring_size,
+				   &addr, GFP_KERNEL);
+	if (!vaddr) {
 		if (netif_msg_ifup(priv))
-			printk(KERN_ERR "%s: Could not allocate buffer descriptors!\n",
-					dev->name);
+			pr_err("%s: Could not allocate buffer descriptors!\n",
+			       ndev->name);
 		return -ENOMEM;
 	}
 
-	priv->tx_bd_base = (struct txbd8 *) vaddr;
+	priv->tx_bd_base = vaddr;
 
 	/* enet DMA only understands physical addresses */
 	gfar_write(&regs->tbase0, addr);
 
 	/* Start the rx descriptor ring where the tx ring leaves off */
-	addr = addr + sizeof (struct txbd8) * priv->tx_ring_size;
-	vaddr = vaddr + sizeof (struct txbd8) * priv->tx_ring_size;
-	priv->rx_bd_base = (struct rxbd8 *) vaddr;
+	addr = addr + sizeof(*txbdp) * priv->tx_ring_size;
+	vaddr = vaddr + sizeof(*txbdp) * priv->tx_ring_size;
+	priv->rx_bd_base = vaddr;
 	gfar_write(&regs->rbase0, addr);
 
 	/* Setup the skbuff rings */
-	priv->tx_skbuff =
-	    (struct sk_buff **) kmalloc(sizeof (struct sk_buff *) *
-					priv->tx_ring_size, GFP_KERNEL);
-
-	if (NULL == priv->tx_skbuff) {
+	priv->tx_skbuff = kmalloc(sizeof(*priv->tx_skbuff) *
+				  priv->tx_ring_size, GFP_KERNEL);
+	if (!priv->tx_skbuff) {
 		if (netif_msg_ifup(priv))
-			printk(KERN_ERR "%s: Could not allocate tx_skbuff\n",
-					dev->name);
+			pr_err("%s: Could not allocate tx_skbuff\n",
+			       ndev->name);
 		err = -ENOMEM;
 		goto tx_skb_fail;
 	}
@@ -981,14 +978,12 @@ int startup_gfar(struct net_device *dev)
 	for (i = 0; i < priv->tx_ring_size; i++)
 		priv->tx_skbuff[i] = NULL;
 
-	priv->rx_skbuff =
-	    (struct sk_buff **) kmalloc(sizeof (struct sk_buff *) *
-					priv->rx_ring_size, GFP_KERNEL);
-
-	if (NULL == priv->rx_skbuff) {
+	priv->rx_skbuff = kmalloc(sizeof(*priv->rx_skbuff) *
+				  priv->rx_ring_size, GFP_KERNEL);
+	if (!priv->rx_skbuff) {
 		if (netif_msg_ifup(priv))
-			printk(KERN_ERR "%s: Could not allocate rx_skbuff\n",
-					dev->name);
+			pr_err("%s: Could not allocate rx_skbuff\n",
+			       ndev->name);
 		err = -ENOMEM;
 		goto rx_skb_fail;
 	}
@@ -1019,18 +1014,16 @@ int startup_gfar(struct net_device *dev)
 	for (i = 0; i < priv->rx_ring_size; i++) {
 		struct sk_buff *skb;
 
-		skb = gfar_new_skb(dev);
-
+		skb = gfar_new_skb(ndev);
 		if (!skb) {
-			printk(KERN_ERR "%s: Can't allocate RX buffers\n",
-					dev->name);
-
+			pr_err("%s: Can't allocate RX buffers\n", ndev->name);
+			err = -ENOMEM;
 			goto err_rxalloc_fail;
 		}
 
 		priv->rx_skbuff[i] = skb;
 
-		gfar_new_rxbdp(dev, rxbdp, skb);
+		gfar_new_rxbdp(ndev, rxbdp, skb);
 
 		rxbdp++;
 	}
@@ -1044,44 +1037,39 @@ int startup_gfar(struct net_device *dev)
 	if (priv->device_flags & FSL_GIANFAR_DEV_HAS_MULTI_INTR) {
 		/* Install our interrupt handlers for Error,
 		 * Transmit, and Receive */
-		if (request_irq(priv->interruptError, gfar_error,
-				0, priv->int_name_er, dev) < 0) {
+		err = request_irq(priv->interruptError, gfar_error, 0,
+				  priv->int_name_er, ndev);
+		if (err) {
 			if (netif_msg_intr(priv))
-				printk(KERN_ERR "%s: Can't get IRQ %d\n",
-					dev->name, priv->interruptError);
-
-			err = -1;
+				pr_err("%s: Can't get IRQ %d\n", ndev->name,
+				       priv->interruptError);
 			goto err_irq_fail;
 		}
 
-		if (request_irq(priv->interruptTransmit, gfar_transmit,
-				0, priv->int_name_tx, dev) < 0) {
+		err = request_irq(priv->interruptTransmit, gfar_transmit, 0,
+				  priv->int_name_tx, ndev);
+		if (err) {
 			if (netif_msg_intr(priv))
-				printk(KERN_ERR "%s: Can't get IRQ %d\n",
-					dev->name, priv->interruptTransmit);
-
-			err = -1;
-
+				pr_err("%s: Can't get IRQ %d\n", ndev->name,
+				       priv->interruptTransmit);
 			goto tx_irq_fail;
 		}
 
-		if (request_irq(priv->interruptReceive, gfar_receive,
-				0, priv->int_name_rx, dev) < 0) {
+		err = request_irq(priv->interruptReceive, gfar_receive, 0,
+				  priv->int_name_rx, ndev);
+		if (err) {
 			if (netif_msg_intr(priv))
-				printk(KERN_ERR "%s: Can't get IRQ %d (receive0)\n",
-						dev->name, priv->interruptReceive);
-
-			err = -1;
+				pr_err("%s: Can't get IRQ %d (receive0)\n",
+				       ndev->name, priv->interruptReceive);
 			goto rx_irq_fail;
 		}
 	} else {
-		if (request_irq(priv->interruptTransmit, gfar_interrupt,
-				0, priv->int_name_tx, dev) < 0) {
+		err = request_irq(priv->interruptTransmit, gfar_interrupt,
+				0, priv->int_name_tx, ndev);
+		if (err) {
 			if (netif_msg_intr(priv))
-				printk(KERN_ERR "%s: Can't get IRQ %d\n",
-					dev->name, priv->interruptTransmit);
-
-			err = -1;
+				pr_err("%s: Can't get IRQ %d\n", ndev->name,
+				       priv->interruptTransmit);
 			goto err_irq_fail;
 		}
 	}
@@ -1103,7 +1091,7 @@ int startup_gfar(struct net_device *dev)
 	if (priv->extended_hash) {
 		rctrl |= RCTRL_EXTHASH;
 
-		gfar_clear_exact_match(dev);
+		gfar_clear_exact_match(ndev);
 		rctrl |= RCTRL_EMEN;
 	}
 
@@ -1119,18 +1107,18 @@ int startup_gfar(struct net_device *dev)
 	}
 
 	/* Init rctrl based on our settings */
-	gfar_write(&priv->regs->rctrl, rctrl);
+	gfar_write(&regs->rctrl, rctrl);
 
-	if (dev->features & NETIF_F_IP_CSUM)
+	if (ndev->features & NETIF_F_IP_CSUM)
 		tctrl |= TCTRL_INIT_CSUM;
 
-	gfar_write(&priv->regs->tctrl, tctrl);
+	gfar_write(&regs->tctrl, tctrl);
 
 	/* Set the extraction length and index */
 	attrs = ATTRELI_EL(priv->rx_stash_size) |
 		ATTRELI_EI(priv->rx_stash_index);
 
-	gfar_write(&priv->regs->attreli, attrs);
+	gfar_write(&regs->attreli, attrs);
 
 	/* Start with defaults, and add stashing or locking
 	 * depending on the approprate variables */
@@ -1142,32 +1130,29 @@ int startup_gfar(struct net_device *dev)
 	if (priv->rx_stash_size != 0)
 		attrs |= ATTR_BUFSTASH;
 
-	gfar_write(&priv->regs->attr, attrs);
+	gfar_write(&regs->attr, attrs);
 
-	gfar_write(&priv->regs->fifo_tx_thr, priv->fifo_threshold);
-	gfar_write(&priv->regs->fifo_tx_starve, priv->fifo_starve);
-	gfar_write(&priv->regs->fifo_tx_starve_shutoff, priv->fifo_starve_off);
+	gfar_write(&regs->fifo_tx_thr, priv->fifo_threshold);
+	gfar_write(&regs->fifo_tx_starve, priv->fifo_starve);
+	gfar_write(&regs->fifo_tx_starve_shutoff, priv->fifo_starve_off);
 
 	/* Start the controller */
-	gfar_start(dev);
+	gfar_start(ndev);
 
 	return 0;
 
 rx_irq_fail:
-	free_irq(priv->interruptTransmit, dev);
+	free_irq(priv->interruptTransmit, ndev);
 tx_irq_fail:
-	free_irq(priv->interruptError, dev);
+	free_irq(priv->interruptError, ndev);
 err_irq_fail:
 err_rxalloc_fail:
 rx_skb_fail:
 	free_skb_resources(priv);
 tx_skb_fail:
-	dma_free_coherent(&priv->ofdev->dev,
-			sizeof(struct txbd8)*priv->tx_ring_size
-			+ sizeof(struct rxbd8)*priv->rx_ring_size,
-			priv->tx_bd_base,
-			gfar_read(&regs->tbase0));
-
+	dma_free_coherent(dev, sizeof(*txbdp) * priv->tx_ring_size +
+			       sizeof(*rxbdp) * priv->rx_ring_size,
+			  priv->tx_bd_base, gfar_read(&regs->tbase0));
 	return err;
 }
 
-- 
GitLab


From e69edd21819823bbad06d1d02f9fa21713fad173 Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Mon, 12 Oct 2009 06:00:30 +0000
Subject: [PATCH 0245/1815] gianfar: Simplify skb resources freeing code

Remove dma_free_coherent() from stop_gfar() and gfar_start() calls,
place it into free_skb_resources(). That makes SKB resources management
more understandable, plus free_skb_resources() will be used as a cleanup
routine for gfar_alloc_skb_resources() that will be implemented soon.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/gianfar.c | 53 ++++++++++++++++++++-----------------------
 1 file changed, 25 insertions(+), 28 deletions(-)

diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 5d6480c7cc9..a8b50c9b2d9 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -806,7 +806,6 @@ void gfar_halt(struct net_device *dev)
 void stop_gfar(struct net_device *dev)
 {
 	struct gfar_private *priv = netdev_priv(dev);
-	struct gfar __iomem *regs = priv->regs;
 	unsigned long flags;
 
 	phy_stop(priv->phydev);
@@ -830,18 +829,13 @@ void stop_gfar(struct net_device *dev)
 	}
 
 	free_skb_resources(priv);
-
-	dma_free_coherent(&priv->ofdev->dev,
-			sizeof(struct txbd8)*priv->tx_ring_size
-			+ sizeof(struct rxbd8)*priv->rx_ring_size,
-			priv->tx_bd_base,
-			gfar_read(&regs->tbase0));
 }
 
 /* If there are any tx skbs or rx skbs still around, free them.
  * Then free tx_skbuff and rx_skbuff */
 static void free_skb_resources(struct gfar_private *priv)
 {
+	struct device *dev = &priv->ofdev->dev;
 	struct rxbd8 *rxbdp;
 	struct txbd8 *txbdp;
 	int i, j;
@@ -849,6 +843,9 @@ static void free_skb_resources(struct gfar_private *priv)
 	/* Go through all the buffer descriptors and free their data buffers */
 	txbdp = priv->tx_bd_base;
 
+	if (!priv->tx_skbuff)
+		goto skip_tx_skbuff;
+
 	for (i = 0; i < priv->tx_ring_size; i++) {
 		if (!priv->tx_skbuff[i])
 			continue;
@@ -867,30 +864,33 @@ static void free_skb_resources(struct gfar_private *priv)
 	}
 
 	kfree(priv->tx_skbuff);
+skip_tx_skbuff:
 
 	rxbdp = priv->rx_bd_base;
 
-	/* rx_skbuff is not guaranteed to be allocated, so only
-	 * free it and its contents if it is allocated */
-	if(priv->rx_skbuff != NULL) {
-		for (i = 0; i < priv->rx_ring_size; i++) {
-			if (priv->rx_skbuff[i]) {
-				dma_unmap_single(&priv->ofdev->dev, rxbdp->bufPtr,
-						priv->rx_buffer_size,
-						DMA_FROM_DEVICE);
-
-				dev_kfree_skb_any(priv->rx_skbuff[i]);
-				priv->rx_skbuff[i] = NULL;
-			}
-
-			rxbdp->lstatus = 0;
-			rxbdp->bufPtr = 0;
+	if (!priv->rx_skbuff)
+		goto skip_rx_skbuff;
 
-			rxbdp++;
+	for (i = 0; i < priv->rx_ring_size; i++) {
+		if (priv->rx_skbuff[i]) {
+			dma_unmap_single(&priv->ofdev->dev, rxbdp->bufPtr,
+					 priv->rx_buffer_size,
+					DMA_FROM_DEVICE);
+			dev_kfree_skb_any(priv->rx_skbuff[i]);
+			priv->rx_skbuff[i] = NULL;
 		}
 
-		kfree(priv->rx_skbuff);
+		rxbdp->lstatus = 0;
+		rxbdp->bufPtr = 0;
+		rxbdp++;
 	}
+
+	kfree(priv->rx_skbuff);
+skip_rx_skbuff:
+
+	dma_free_coherent(dev, sizeof(*txbdp) * priv->tx_ring_size +
+			       sizeof(*rxbdp) * priv->rx_ring_size,
+			  priv->tx_bd_base, gfar_read(&priv->regs->tbase0));
 }
 
 void gfar_start(struct net_device *dev)
@@ -1148,11 +1148,8 @@ tx_irq_fail:
 err_irq_fail:
 err_rxalloc_fail:
 rx_skb_fail:
-	free_skb_resources(priv);
 tx_skb_fail:
-	dma_free_coherent(dev, sizeof(*txbdp) * priv->tx_ring_size +
-			       sizeof(*rxbdp) * priv->rx_ring_size,
-			  priv->tx_bd_base, gfar_read(&regs->tbase0));
+	free_skb_resources(priv);
 	return err;
 }
 
-- 
GitLab


From 14231176b0dc358f8693f25b62017d222dd995e6 Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Mon, 12 Oct 2009 06:00:33 +0000
Subject: [PATCH 0246/1815] gianfar: Don't needlessly set the wrap bit for the
 last RX BD

startup_gfar() sets the wrap bit for the last rxbd just after
gfar_new_rxbdp() call, which is issued for all rxbds. And
gfar_new_rxbdp() has the following check already:

	if (bdp == priv->rx_bd_base + priv->rx_ring_size - 1)
		lstatus |= BD_LFLAG(RXBD_WRAP);

So we don't need to set the bit again.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/gianfar.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index a8b50c9b2d9..f8497419550 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -1028,10 +1028,6 @@ int startup_gfar(struct net_device *ndev)
 		rxbdp++;
 	}
 
-	/* Set the last descriptor in the ring to wrap */
-	rxbdp--;
-	rxbdp->status |= RXBD_WRAP;
-
 	/* If the device has multiple interrupts, register for
 	 * them.  Otherwise, only register for the one */
 	if (priv->device_flags & FSL_GIANFAR_DEV_HAS_MULTI_INTR) {
-- 
GitLab


From 826aa4a05669a46e435f65db901186e42bb43d8d Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Mon, 12 Oct 2009 06:00:34 +0000
Subject: [PATCH 0247/1815] gianfar: Split allocation and initialization steps
 out of startup_gfar()

Two new functions implemented: gfar_alloc_skb_resources() and
gfar_init_mac(). We'll use gfar_init_mac() for restoring after
hibernation.

The patch just moves the code around, there should be no functional
changes.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/gianfar.c | 334 ++++++++++++++++++++++--------------------
 1 file changed, 176 insertions(+), 158 deletions(-)

diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index f8497419550..c8735540b1e 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -147,6 +147,176 @@ MODULE_AUTHOR("Freescale Semiconductor, Inc");
 MODULE_DESCRIPTION("Gianfar Ethernet Driver");
 MODULE_LICENSE("GPL");
 
+static int gfar_alloc_skb_resources(struct net_device *ndev)
+{
+	struct txbd8 *txbdp;
+	struct rxbd8 *rxbdp;
+	dma_addr_t addr = 0;
+	void *vaddr;
+	int i;
+	struct gfar_private *priv = netdev_priv(ndev);
+	struct device *dev = &priv->ofdev->dev;
+	struct gfar __iomem *regs = priv->regs;
+
+	/* Allocate memory for the buffer descriptors */
+	vaddr = dma_alloc_coherent(dev, sizeof(*txbdp) * priv->tx_ring_size +
+					sizeof(*rxbdp) * priv->rx_ring_size,
+				   &addr, GFP_KERNEL);
+	if (!vaddr) {
+		if (netif_msg_ifup(priv))
+			pr_err("%s: Could not allocate buffer descriptors!\n",
+			       ndev->name);
+		return -ENOMEM;
+	}
+
+	priv->tx_bd_base = vaddr;
+
+	/* enet DMA only understands physical addresses */
+	gfar_write(&regs->tbase0, addr);
+
+	/* Start the rx descriptor ring where the tx ring leaves off */
+	addr = addr + sizeof(*txbdp) * priv->tx_ring_size;
+	vaddr = vaddr + sizeof(*txbdp) * priv->tx_ring_size;
+	priv->rx_bd_base = vaddr;
+	gfar_write(&regs->rbase0, addr);
+
+	/* Setup the skbuff rings */
+	priv->tx_skbuff = kmalloc(sizeof(*priv->tx_skbuff) *
+				  priv->tx_ring_size, GFP_KERNEL);
+	if (!priv->tx_skbuff) {
+		if (netif_msg_ifup(priv))
+			pr_err("%s: Could not allocate tx_skbuff\n",
+			       ndev->name);
+		goto cleanup;
+	}
+
+	for (i = 0; i < priv->tx_ring_size; i++)
+		priv->tx_skbuff[i] = NULL;
+
+	priv->rx_skbuff = kmalloc(sizeof(*priv->rx_skbuff) *
+				  priv->rx_ring_size, GFP_KERNEL);
+	if (!priv->rx_skbuff) {
+		if (netif_msg_ifup(priv))
+			pr_err("%s: Could not allocate rx_skbuff\n",
+			       ndev->name);
+		goto cleanup;
+	}
+
+	for (i = 0; i < priv->rx_ring_size; i++)
+		priv->rx_skbuff[i] = NULL;
+
+	/* Initialize some variables in our dev structure */
+	priv->num_txbdfree = priv->tx_ring_size;
+	priv->dirty_tx = priv->cur_tx = priv->tx_bd_base;
+	priv->cur_rx = priv->rx_bd_base;
+	priv->skb_curtx = priv->skb_dirtytx = 0;
+	priv->skb_currx = 0;
+
+	/* Initialize Transmit Descriptor Ring */
+	txbdp = priv->tx_bd_base;
+	for (i = 0; i < priv->tx_ring_size; i++) {
+		txbdp->lstatus = 0;
+		txbdp->bufPtr = 0;
+		txbdp++;
+	}
+
+	/* Set the last descriptor in the ring to indicate wrap */
+	txbdp--;
+	txbdp->status |= TXBD_WRAP;
+
+	rxbdp = priv->rx_bd_base;
+	for (i = 0; i < priv->rx_ring_size; i++) {
+		struct sk_buff *skb;
+
+		skb = gfar_new_skb(ndev);
+		if (!skb) {
+			pr_err("%s: Can't allocate RX buffers\n", ndev->name);
+			goto cleanup;
+		}
+
+		priv->rx_skbuff[i] = skb;
+
+		gfar_new_rxbdp(ndev, rxbdp, skb);
+
+		rxbdp++;
+	}
+
+	return 0;
+
+cleanup:
+	free_skb_resources(priv);
+	return -ENOMEM;
+}
+
+static void gfar_init_mac(struct net_device *ndev)
+{
+	struct gfar_private *priv = netdev_priv(ndev);
+	struct gfar __iomem *regs = priv->regs;
+	u32 rctrl = 0;
+	u32 tctrl = 0;
+	u32 attrs = 0;
+
+	/* Configure the coalescing support */
+	gfar_write(&regs->txic, 0);
+	if (priv->txcoalescing)
+		gfar_write(&regs->txic, priv->txic);
+
+	gfar_write(&regs->rxic, 0);
+	if (priv->rxcoalescing)
+		gfar_write(&regs->rxic, priv->rxic);
+
+	if (priv->rx_csum_enable)
+		rctrl |= RCTRL_CHECKSUMMING;
+
+	if (priv->extended_hash) {
+		rctrl |= RCTRL_EXTHASH;
+
+		gfar_clear_exact_match(ndev);
+		rctrl |= RCTRL_EMEN;
+	}
+
+	if (priv->padding) {
+		rctrl &= ~RCTRL_PAL_MASK;
+		rctrl |= RCTRL_PADDING(priv->padding);
+	}
+
+	/* keep vlan related bits if it's enabled */
+	if (priv->vlgrp) {
+		rctrl |= RCTRL_VLEX | RCTRL_PRSDEP_INIT;
+		tctrl |= TCTRL_VLINS;
+	}
+
+	/* Init rctrl based on our settings */
+	gfar_write(&regs->rctrl, rctrl);
+
+	if (ndev->features & NETIF_F_IP_CSUM)
+		tctrl |= TCTRL_INIT_CSUM;
+
+	gfar_write(&regs->tctrl, tctrl);
+
+	/* Set the extraction length and index */
+	attrs = ATTRELI_EL(priv->rx_stash_size) |
+		ATTRELI_EI(priv->rx_stash_index);
+
+	gfar_write(&regs->attreli, attrs);
+
+	/* Start with defaults, and add stashing or locking
+	 * depending on the approprate variables */
+	attrs = ATTR_INIT_SETTINGS;
+
+	if (priv->bd_stash_en)
+		attrs |= ATTR_BDSTASH;
+
+	if (priv->rx_stash_size != 0)
+		attrs |= ATTR_BUFSTASH;
+
+	gfar_write(&regs->attr, attrs);
+
+	gfar_write(&regs->fifo_tx_thr, priv->fifo_threshold);
+	gfar_write(&regs->fifo_tx_starve, priv->fifo_starve);
+	gfar_write(&regs->fifo_tx_starve_shutoff, priv->fifo_starve_off);
+}
+
 static const struct net_device_ops gfar_netdev_ops = {
 	.ndo_open = gfar_enet_open,
 	.ndo_start_xmit = gfar_start_xmit,
@@ -927,106 +1097,17 @@ void gfar_start(struct net_device *dev)
 /* Bring the controller up and running */
 int startup_gfar(struct net_device *ndev)
 {
-	struct txbd8 *txbdp;
-	struct rxbd8 *rxbdp;
-	dma_addr_t addr = 0;
-	void *vaddr;
-	int i;
 	struct gfar_private *priv = netdev_priv(ndev);
-	struct device *dev = &priv->ofdev->dev;
 	struct gfar __iomem *regs = priv->regs;
 	int err;
-	u32 rctrl = 0;
-	u32 tctrl = 0;
-	u32 attrs = 0;
 
 	gfar_write(&regs->imask, IMASK_INIT_CLEAR);
 
-	/* Allocate memory for the buffer descriptors */
-	vaddr = dma_alloc_coherent(dev, sizeof(*txbdp) * priv->tx_ring_size +
-					sizeof(*rxbdp) * priv->rx_ring_size,
-				   &addr, GFP_KERNEL);
-	if (!vaddr) {
-		if (netif_msg_ifup(priv))
-			pr_err("%s: Could not allocate buffer descriptors!\n",
-			       ndev->name);
-		return -ENOMEM;
-	}
-
-	priv->tx_bd_base = vaddr;
-
-	/* enet DMA only understands physical addresses */
-	gfar_write(&regs->tbase0, addr);
-
-	/* Start the rx descriptor ring where the tx ring leaves off */
-	addr = addr + sizeof(*txbdp) * priv->tx_ring_size;
-	vaddr = vaddr + sizeof(*txbdp) * priv->tx_ring_size;
-	priv->rx_bd_base = vaddr;
-	gfar_write(&regs->rbase0, addr);
-
-	/* Setup the skbuff rings */
-	priv->tx_skbuff = kmalloc(sizeof(*priv->tx_skbuff) *
-				  priv->tx_ring_size, GFP_KERNEL);
-	if (!priv->tx_skbuff) {
-		if (netif_msg_ifup(priv))
-			pr_err("%s: Could not allocate tx_skbuff\n",
-			       ndev->name);
-		err = -ENOMEM;
-		goto tx_skb_fail;
-	}
-
-	for (i = 0; i < priv->tx_ring_size; i++)
-		priv->tx_skbuff[i] = NULL;
-
-	priv->rx_skbuff = kmalloc(sizeof(*priv->rx_skbuff) *
-				  priv->rx_ring_size, GFP_KERNEL);
-	if (!priv->rx_skbuff) {
-		if (netif_msg_ifup(priv))
-			pr_err("%s: Could not allocate rx_skbuff\n",
-			       ndev->name);
-		err = -ENOMEM;
-		goto rx_skb_fail;
-	}
-
-	for (i = 0; i < priv->rx_ring_size; i++)
-		priv->rx_skbuff[i] = NULL;
-
-	/* Initialize some variables in our dev structure */
-	priv->num_txbdfree = priv->tx_ring_size;
-	priv->dirty_tx = priv->cur_tx = priv->tx_bd_base;
-	priv->cur_rx = priv->rx_bd_base;
-	priv->skb_curtx = priv->skb_dirtytx = 0;
-	priv->skb_currx = 0;
-
-	/* Initialize Transmit Descriptor Ring */
-	txbdp = priv->tx_bd_base;
-	for (i = 0; i < priv->tx_ring_size; i++) {
-		txbdp->lstatus = 0;
-		txbdp->bufPtr = 0;
-		txbdp++;
-	}
-
-	/* Set the last descriptor in the ring to indicate wrap */
-	txbdp--;
-	txbdp->status |= TXBD_WRAP;
-
-	rxbdp = priv->rx_bd_base;
-	for (i = 0; i < priv->rx_ring_size; i++) {
-		struct sk_buff *skb;
-
-		skb = gfar_new_skb(ndev);
-		if (!skb) {
-			pr_err("%s: Can't allocate RX buffers\n", ndev->name);
-			err = -ENOMEM;
-			goto err_rxalloc_fail;
-		}
-
-		priv->rx_skbuff[i] = skb;
-
-		gfar_new_rxbdp(ndev, rxbdp, skb);
+	err = gfar_alloc_skb_resources(ndev);
+	if (err)
+		return err;
 
-		rxbdp++;
-	}
+	gfar_init_mac(ndev);
 
 	/* If the device has multiple interrupts, register for
 	 * them.  Otherwise, only register for the one */
@@ -1070,71 +1151,11 @@ int startup_gfar(struct net_device *ndev)
 		}
 	}
 
-	phy_start(priv->phydev);
-
-	/* Configure the coalescing support */
-	gfar_write(&regs->txic, 0);
-	if (priv->txcoalescing)
-		gfar_write(&regs->txic, priv->txic);
-
-	gfar_write(&regs->rxic, 0);
-	if (priv->rxcoalescing)
-		gfar_write(&regs->rxic, priv->rxic);
-
-	if (priv->rx_csum_enable)
-		rctrl |= RCTRL_CHECKSUMMING;
-
-	if (priv->extended_hash) {
-		rctrl |= RCTRL_EXTHASH;
-
-		gfar_clear_exact_match(ndev);
-		rctrl |= RCTRL_EMEN;
-	}
-
-	if (priv->padding) {
-		rctrl &= ~RCTRL_PAL_MASK;
-		rctrl |= RCTRL_PADDING(priv->padding);
-	}
-
-	/* keep vlan related bits if it's enabled */
-	if (priv->vlgrp) {
-		rctrl |= RCTRL_VLEX | RCTRL_PRSDEP_INIT;
-		tctrl |= TCTRL_VLINS;
-	}
-
-	/* Init rctrl based on our settings */
-	gfar_write(&regs->rctrl, rctrl);
-
-	if (ndev->features & NETIF_F_IP_CSUM)
-		tctrl |= TCTRL_INIT_CSUM;
-
-	gfar_write(&regs->tctrl, tctrl);
-
-	/* Set the extraction length and index */
-	attrs = ATTRELI_EL(priv->rx_stash_size) |
-		ATTRELI_EI(priv->rx_stash_index);
-
-	gfar_write(&regs->attreli, attrs);
-
-	/* Start with defaults, and add stashing or locking
-	 * depending on the approprate variables */
-	attrs = ATTR_INIT_SETTINGS;
-
-	if (priv->bd_stash_en)
-		attrs |= ATTR_BDSTASH;
-
-	if (priv->rx_stash_size != 0)
-		attrs |= ATTR_BUFSTASH;
-
-	gfar_write(&regs->attr, attrs);
-
-	gfar_write(&regs->fifo_tx_thr, priv->fifo_threshold);
-	gfar_write(&regs->fifo_tx_starve, priv->fifo_starve);
-	gfar_write(&regs->fifo_tx_starve_shutoff, priv->fifo_starve_off);
-
 	/* Start the controller */
 	gfar_start(ndev);
 
+	phy_start(priv->phydev);
+
 	return 0;
 
 rx_irq_fail:
@@ -1142,9 +1163,6 @@ rx_irq_fail:
 tx_irq_fail:
 	free_irq(priv->interruptError, ndev);
 err_irq_fail:
-err_rxalloc_fail:
-rx_skb_fail:
-tx_skb_fail:
 	free_skb_resources(priv);
 	return err;
 }
-- 
GitLab


From 32c513bca062f6c04b902d09c716fea205671e23 Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Mon, 12 Oct 2009 06:00:36 +0000
Subject: [PATCH 0248/1815] gianfar: Move tbase/rbase initialization to
 gfar_init_mac()

For hibernation we want to call gfar_init_mac() without need to
free/allocate_skb_resources sequence, so save the DMA address into a
private struct, and move tbase/rbase initialization to gfar_init_mac().

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/gianfar.c | 17 ++++++++---------
 drivers/net/gianfar.h |  1 +
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index c8735540b1e..068f9a2cf42 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -151,17 +151,15 @@ static int gfar_alloc_skb_resources(struct net_device *ndev)
 {
 	struct txbd8 *txbdp;
 	struct rxbd8 *rxbdp;
-	dma_addr_t addr = 0;
 	void *vaddr;
 	int i;
 	struct gfar_private *priv = netdev_priv(ndev);
 	struct device *dev = &priv->ofdev->dev;
-	struct gfar __iomem *regs = priv->regs;
 
 	/* Allocate memory for the buffer descriptors */
 	vaddr = dma_alloc_coherent(dev, sizeof(*txbdp) * priv->tx_ring_size +
 					sizeof(*rxbdp) * priv->rx_ring_size,
-				   &addr, GFP_KERNEL);
+				   &priv->tx_bd_dma_base, GFP_KERNEL);
 	if (!vaddr) {
 		if (netif_msg_ifup(priv))
 			pr_err("%s: Could not allocate buffer descriptors!\n",
@@ -171,14 +169,9 @@ static int gfar_alloc_skb_resources(struct net_device *ndev)
 
 	priv->tx_bd_base = vaddr;
 
-	/* enet DMA only understands physical addresses */
-	gfar_write(&regs->tbase0, addr);
-
 	/* Start the rx descriptor ring where the tx ring leaves off */
-	addr = addr + sizeof(*txbdp) * priv->tx_ring_size;
 	vaddr = vaddr + sizeof(*txbdp) * priv->tx_ring_size;
 	priv->rx_bd_base = vaddr;
-	gfar_write(&regs->rbase0, addr);
 
 	/* Setup the skbuff rings */
 	priv->tx_skbuff = kmalloc(sizeof(*priv->tx_skbuff) *
@@ -256,6 +249,12 @@ static void gfar_init_mac(struct net_device *ndev)
 	u32 tctrl = 0;
 	u32 attrs = 0;
 
+	/* enet DMA only understands physical addresses */
+	gfar_write(&regs->tbase0, priv->tx_bd_dma_base);
+	gfar_write(&regs->rbase0, priv->tx_bd_dma_base +
+				  sizeof(*priv->tx_bd_base) *
+				  priv->tx_ring_size);
+
 	/* Configure the coalescing support */
 	gfar_write(&regs->txic, 0);
 	if (priv->txcoalescing)
@@ -1060,7 +1059,7 @@ skip_rx_skbuff:
 
 	dma_free_coherent(dev, sizeof(*txbdp) * priv->tx_ring_size +
 			       sizeof(*rxbdp) * priv->rx_ring_size,
-			  priv->tx_bd_base, gfar_read(&priv->regs->tbase0));
+			  priv->tx_bd_base, priv->tx_bd_dma_base);
 }
 
 void gfar_start(struct net_device *dev)
diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h
index 2cd94338b5d..05732faa2f9 100644
--- a/drivers/net/gianfar.h
+++ b/drivers/net/gianfar.h
@@ -726,6 +726,7 @@ struct gfar_private {
 	unsigned long txic;
 
 	/* Buffer descriptor pointers */
+	dma_addr_t tx_bd_dma_base;
 	struct txbd8 *tx_bd_base;	/* First tx buffer descriptor */
 	struct txbd8 *cur_tx;	        /* Next free ring entry */
 	struct txbd8 *dirty_tx;		/* First buffer in line
-- 
GitLab


From 8a102fe001cc016dabcc392247a2b008e37ffe6a Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Mon, 12 Oct 2009 06:00:37 +0000
Subject: [PATCH 0249/1815] gianfar: Factor out RX BDs initialization from
 gfar_new_rxbdp()

We want to just reinitialize RX BDs after hibernation, no need to
map the skb->data again. So let's factor gfar_init_rxbdp() out of
gfar_new_rxbdp().

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/gianfar.c | 33 +++++++++++++++++++++------------
 1 file changed, 21 insertions(+), 12 deletions(-)

diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 068f9a2cf42..a8436326167 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -147,6 +147,23 @@ MODULE_AUTHOR("Freescale Semiconductor, Inc");
 MODULE_DESCRIPTION("Gianfar Ethernet Driver");
 MODULE_LICENSE("GPL");
 
+static void gfar_init_rxbdp(struct net_device *dev, struct rxbd8 *bdp,
+			    dma_addr_t buf)
+{
+	struct gfar_private *priv = netdev_priv(dev);
+	u32 lstatus;
+
+	bdp->bufPtr = buf;
+
+	lstatus = BD_LFLAG(RXBD_EMPTY | RXBD_INTERRUPT);
+	if (bdp == priv->rx_bd_base + priv->rx_ring_size - 1)
+		lstatus |= BD_LFLAG(RXBD_WRAP);
+
+	eieio();
+
+	bdp->lstatus = lstatus;
+}
+
 static int gfar_alloc_skb_resources(struct net_device *ndev)
 {
 	struct txbd8 *txbdp;
@@ -1676,19 +1693,11 @@ static void gfar_new_rxbdp(struct net_device *dev, struct rxbd8 *bdp,
 		struct sk_buff *skb)
 {
 	struct gfar_private *priv = netdev_priv(dev);
-	u32 lstatus;
-
-	bdp->bufPtr = dma_map_single(&priv->ofdev->dev, skb->data,
-			priv->rx_buffer_size, DMA_FROM_DEVICE);
-
-	lstatus = BD_LFLAG(RXBD_EMPTY | RXBD_INTERRUPT);
+	dma_addr_t buf;
 
-	if (bdp == priv->rx_bd_base + priv->rx_ring_size - 1)
-		lstatus |= BD_LFLAG(RXBD_WRAP);
-
-	eieio();
-
-	bdp->lstatus = lstatus;
+	buf = dma_map_single(&priv->ofdev->dev, skb->data,
+			     priv->rx_buffer_size, DMA_FROM_DEVICE);
+	gfar_init_rxbdp(dev, bdp, buf);
 }
 
 
-- 
GitLab


From 8728327e7a7a7f21f3a7109e65503f4cc3305e78 Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Mon, 12 Oct 2009 06:00:39 +0000
Subject: [PATCH 0250/1815] gianfar: Factor out gfar_init_bds() from
 gfar_alloc_skb_resources()

After hibernation we want to just reinitialize BDs, no need to allocate
anything. So, factor out BDs initialization code from
gfar_alloc_skb_resourses().

Also, teach gfar_init_bds() to reuse already allocated RX SKBs, i.e.
just call gfar_init_rxbdp() if a SKB was already allocated and mapped.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/gianfar.c | 96 +++++++++++++++++++++++++------------------
 1 file changed, 56 insertions(+), 40 deletions(-)

diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index a8436326167..c2a508fe1cc 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -164,19 +164,68 @@ static void gfar_init_rxbdp(struct net_device *dev, struct rxbd8 *bdp,
 	bdp->lstatus = lstatus;
 }
 
-static int gfar_alloc_skb_resources(struct net_device *ndev)
+static int gfar_init_bds(struct net_device *ndev)
 {
+	struct gfar_private *priv = netdev_priv(ndev);
 	struct txbd8 *txbdp;
 	struct rxbd8 *rxbdp;
+	int i;
+
+	/* Initialize some variables in our dev structure */
+	priv->num_txbdfree = priv->tx_ring_size;
+	priv->dirty_tx = priv->cur_tx = priv->tx_bd_base;
+	priv->cur_rx = priv->rx_bd_base;
+	priv->skb_curtx = priv->skb_dirtytx = 0;
+	priv->skb_currx = 0;
+
+	/* Initialize Transmit Descriptor Ring */
+	txbdp = priv->tx_bd_base;
+	for (i = 0; i < priv->tx_ring_size; i++) {
+		txbdp->lstatus = 0;
+		txbdp->bufPtr = 0;
+		txbdp++;
+	}
+
+	/* Set the last descriptor in the ring to indicate wrap */
+	txbdp--;
+	txbdp->status |= TXBD_WRAP;
+
+	rxbdp = priv->rx_bd_base;
+	for (i = 0; i < priv->rx_ring_size; i++) {
+		struct sk_buff *skb = priv->rx_skbuff[i];
+
+		if (skb) {
+			gfar_init_rxbdp(ndev, rxbdp, rxbdp->bufPtr);
+		} else {
+			skb = gfar_new_skb(ndev);
+			if (!skb) {
+				pr_err("%s: Can't allocate RX buffers\n",
+				       ndev->name);
+				return -ENOMEM;
+			}
+			priv->rx_skbuff[i] = skb;
+
+			gfar_new_rxbdp(ndev, rxbdp, skb);
+		}
+
+		rxbdp++;
+	}
+
+	return 0;
+}
+
+static int gfar_alloc_skb_resources(struct net_device *ndev)
+{
 	void *vaddr;
 	int i;
 	struct gfar_private *priv = netdev_priv(ndev);
 	struct device *dev = &priv->ofdev->dev;
 
 	/* Allocate memory for the buffer descriptors */
-	vaddr = dma_alloc_coherent(dev, sizeof(*txbdp) * priv->tx_ring_size +
-					sizeof(*rxbdp) * priv->rx_ring_size,
-				   &priv->tx_bd_dma_base, GFP_KERNEL);
+	vaddr = dma_alloc_coherent(dev,
+			sizeof(*priv->tx_bd_base) * priv->tx_ring_size +
+			sizeof(*priv->rx_bd_base) * priv->rx_ring_size,
+			&priv->tx_bd_dma_base, GFP_KERNEL);
 	if (!vaddr) {
 		if (netif_msg_ifup(priv))
 			pr_err("%s: Could not allocate buffer descriptors!\n",
@@ -187,7 +236,7 @@ static int gfar_alloc_skb_resources(struct net_device *ndev)
 	priv->tx_bd_base = vaddr;
 
 	/* Start the rx descriptor ring where the tx ring leaves off */
-	vaddr = vaddr + sizeof(*txbdp) * priv->tx_ring_size;
+	vaddr = vaddr + sizeof(*priv->tx_bd_base) * priv->tx_ring_size;
 	priv->rx_bd_base = vaddr;
 
 	/* Setup the skbuff rings */
@@ -215,41 +264,8 @@ static int gfar_alloc_skb_resources(struct net_device *ndev)
 	for (i = 0; i < priv->rx_ring_size; i++)
 		priv->rx_skbuff[i] = NULL;
 
-	/* Initialize some variables in our dev structure */
-	priv->num_txbdfree = priv->tx_ring_size;
-	priv->dirty_tx = priv->cur_tx = priv->tx_bd_base;
-	priv->cur_rx = priv->rx_bd_base;
-	priv->skb_curtx = priv->skb_dirtytx = 0;
-	priv->skb_currx = 0;
-
-	/* Initialize Transmit Descriptor Ring */
-	txbdp = priv->tx_bd_base;
-	for (i = 0; i < priv->tx_ring_size; i++) {
-		txbdp->lstatus = 0;
-		txbdp->bufPtr = 0;
-		txbdp++;
-	}
-
-	/* Set the last descriptor in the ring to indicate wrap */
-	txbdp--;
-	txbdp->status |= TXBD_WRAP;
-
-	rxbdp = priv->rx_bd_base;
-	for (i = 0; i < priv->rx_ring_size; i++) {
-		struct sk_buff *skb;
-
-		skb = gfar_new_skb(ndev);
-		if (!skb) {
-			pr_err("%s: Can't allocate RX buffers\n", ndev->name);
-			goto cleanup;
-		}
-
-		priv->rx_skbuff[i] = skb;
-
-		gfar_new_rxbdp(ndev, rxbdp, skb);
-
-		rxbdp++;
-	}
+	if (gfar_init_bds(ndev))
+		goto cleanup;
 
 	return 0;
 
-- 
GitLab


From be926fc4046913d9ad921aeacdf9329978241c38 Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Mon, 12 Oct 2009 06:00:42 +0000
Subject: [PATCH 0251/1815] gianfar: Add support for hibernation

Thanks to various cleanups and refactorings this is now straightforward:
convert the gianfar driver to dev_pm_ops, plus add ->restore() callback
that will fully reinitialize MAC internal registers and BDs.

Note that I kept legacy suspend/resume callbacks so that this patch
doesn't depend on PowerPC changes (i.e. dev_pm_ops support for OF
platform drivers).

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/gianfar.c | 87 ++++++++++++++++++++++++++++++++++---------
 1 file changed, 70 insertions(+), 17 deletions(-)

diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index c2a508fe1cc..c6f6d3b7f4d 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -700,23 +700,24 @@ static int gfar_remove(struct of_device *ofdev)
 }
 
 #ifdef CONFIG_PM
-static int gfar_suspend(struct of_device *ofdev, pm_message_t state)
+
+static int gfar_suspend(struct device *dev)
 {
-	struct gfar_private *priv = dev_get_drvdata(&ofdev->dev);
-	struct net_device *dev = priv->ndev;
+	struct gfar_private *priv = dev_get_drvdata(dev);
+	struct net_device *ndev = priv->ndev;
 	unsigned long flags;
 	u32 tempval;
 
 	int magic_packet = priv->wol_en &&
 		(priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET);
 
-	netif_device_detach(dev);
+	netif_device_detach(ndev);
 
-	if (netif_running(dev)) {
+	if (netif_running(ndev)) {
 		spin_lock_irqsave(&priv->txlock, flags);
 		spin_lock(&priv->rxlock);
 
-		gfar_halt_nodisable(dev);
+		gfar_halt_nodisable(ndev);
 
 		/* Disable Tx, and Rx if wake-on-LAN is disabled. */
 		tempval = gfar_read(&priv->regs->maccfg1);
@@ -749,17 +750,17 @@ static int gfar_suspend(struct of_device *ofdev, pm_message_t state)
 	return 0;
 }
 
-static int gfar_resume(struct of_device *ofdev)
+static int gfar_resume(struct device *dev)
 {
-	struct gfar_private *priv = dev_get_drvdata(&ofdev->dev);
-	struct net_device *dev = priv->ndev;
+	struct gfar_private *priv = dev_get_drvdata(dev);
+	struct net_device *ndev = priv->ndev;
 	unsigned long flags;
 	u32 tempval;
 	int magic_packet = priv->wol_en &&
 		(priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET);
 
-	if (!netif_running(dev)) {
-		netif_device_attach(dev);
+	if (!netif_running(ndev)) {
+		netif_device_attach(ndev);
 		return 0;
 	}
 
@@ -777,20 +778,71 @@ static int gfar_resume(struct of_device *ofdev)
 	tempval &= ~MACCFG2_MPEN;
 	gfar_write(&priv->regs->maccfg2, tempval);
 
-	gfar_start(dev);
+	gfar_start(ndev);
 
 	spin_unlock(&priv->rxlock);
 	spin_unlock_irqrestore(&priv->txlock, flags);
 
-	netif_device_attach(dev);
+	netif_device_attach(ndev);
+
+	napi_enable(&priv->napi);
+
+	return 0;
+}
+
+static int gfar_restore(struct device *dev)
+{
+	struct gfar_private *priv = dev_get_drvdata(dev);
+	struct net_device *ndev = priv->ndev;
+
+	if (!netif_running(ndev))
+		return 0;
+
+	gfar_init_bds(ndev);
+	init_registers(ndev);
+	gfar_set_mac_address(ndev);
+	gfar_init_mac(ndev);
+	gfar_start(ndev);
+
+	priv->oldlink = 0;
+	priv->oldspeed = 0;
+	priv->oldduplex = -1;
+
+	if (priv->phydev)
+		phy_start(priv->phydev);
 
+	netif_device_attach(ndev);
 	napi_enable(&priv->napi);
 
 	return 0;
 }
+
+static struct dev_pm_ops gfar_pm_ops = {
+	.suspend = gfar_suspend,
+	.resume = gfar_resume,
+	.freeze = gfar_suspend,
+	.thaw = gfar_resume,
+	.restore = gfar_restore,
+};
+
+#define GFAR_PM_OPS (&gfar_pm_ops)
+
+static int gfar_legacy_suspend(struct of_device *ofdev, pm_message_t state)
+{
+	return gfar_suspend(&ofdev->dev);
+}
+
+static int gfar_legacy_resume(struct of_device *ofdev)
+{
+	return gfar_resume(&ofdev->dev);
+}
+
 #else
-#define gfar_suspend NULL
-#define gfar_resume NULL
+
+#define GFAR_PM_OPS NULL
+#define gfar_legacy_suspend NULL
+#define gfar_legacy_resume NULL
+
 #endif
 
 /* Reads the controller's registers to determine what interface
@@ -2364,8 +2416,9 @@ static struct of_platform_driver gfar_driver = {
 
 	.probe = gfar_probe,
 	.remove = gfar_remove,
-	.suspend = gfar_suspend,
-	.resume = gfar_resume,
+	.suspend = gfar_legacy_suspend,
+	.resume = gfar_legacy_resume,
+	.driver.pm = GFAR_PM_OPS,
 };
 
 static int __init gfar_init(void)
-- 
GitLab


From 767f4a7ca8041442e033dd919b591d00f6901e03 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Mon, 12 Oct 2009 09:26:17 +0000
Subject: [PATCH 0252/1815] mdio: Advertise pause (flow control) settings even
 if autoneg is off

Currently, if pause autoneg is off we do not set either pause
advertising flag.  If autonegotiation of speed and duplex settings is
enabled, there is no way for the link partner to distinguish this from
our refusing to use pause frames.

We should instead set the advertising flags according to the forced
mode so that the link partner can follow our lead.  This is consistent
with the behaviour of other drivers.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/mdio.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/net/mdio.c b/drivers/net/mdio.c
index 21f8754fcf4..c0db9d75300 100644
--- a/drivers/net/mdio.c
+++ b/drivers/net/mdio.c
@@ -344,11 +344,9 @@ void mdio45_ethtool_spauseparam_an(const struct mdio_if_info *mdio,
 
 	old_adv = mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_AN,
 				  MDIO_AN_ADVERTISE);
-	adv = old_adv & ~(ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
-	if (ecmd->autoneg)
-		adv |= mii_advertise_flowctrl(
-			(ecmd->rx_pause ? FLOW_CTRL_RX : 0) |
-			(ecmd->tx_pause ? FLOW_CTRL_TX : 0));
+	adv = ((old_adv & ~(ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM)) |
+	       mii_advertise_flowctrl((ecmd->rx_pause ? FLOW_CTRL_RX : 0) |
+				      (ecmd->tx_pause ? FLOW_CTRL_TX : 0)));
 	if (adv != old_adv) {
 		mdio->mdio_write(mdio->dev, mdio->prtad, MDIO_MMD_AN,
 				 MDIO_AN_ADVERTISE, adv);
-- 
GitLab


From 27fbc7db52315d6ec37fe3292c1b2ee62180c643 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Mon, 12 Oct 2009 09:26:37 +0000
Subject: [PATCH 0253/1815] mdio: Expose pause frame advertising flags to
 ethtool

In mdio45_ethtool_gset_npage() and mdio45_ethtool_gset(), check MDIO
pause frame advertising flags and set the corresponding ethtool flags.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/mdio.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/mdio.c b/drivers/net/mdio.c
index c0db9d75300..e85bf04cf81 100644
--- a/drivers/net/mdio.c
+++ b/drivers/net/mdio.c
@@ -162,6 +162,10 @@ static u32 mdio45_get_an(const struct mdio_if_info *mdio, u16 addr)
 		result |= ADVERTISED_100baseT_Half;
 	if (reg & ADVERTISE_100FULL)
 		result |= ADVERTISED_100baseT_Full;
+	if (reg & ADVERTISE_PAUSE_CAP)
+		result |= ADVERTISED_Pause;
+	if (reg & ADVERTISE_PAUSE_ASYM)
+		result |= ADVERTISED_Asym_Pause;
 	return result;
 }
 
-- 
GitLab


From c634263df5890daafe0ea470faee3305736bbc3d Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Mon, 12 Oct 2009 09:27:07 +0000
Subject: [PATCH 0254/1815] sfc: 10Xpress: Initialise pause advertising flags

The mdio module now handles reconfiguration of pause advertising
through ethtool, but not initialisation.  Add the necessary
initialisation to tenxpress_phy_init().

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/tenxpress.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c
index f4d509015f7..1a3495c676c 100644
--- a/drivers/net/sfc/tenxpress.c
+++ b/drivers/net/sfc/tenxpress.c
@@ -301,6 +301,7 @@ static int tenxpress_init(struct efx_nic *efx)
 static int tenxpress_phy_init(struct efx_nic *efx)
 {
 	struct tenxpress_phy_data *phy_data;
+	u16 old_adv, adv;
 	int rc = 0;
 
 	phy_data = kzalloc(sizeof(*phy_data), GFP_KERNEL);
@@ -333,6 +334,15 @@ static int tenxpress_phy_init(struct efx_nic *efx)
 	if (rc < 0)
 		goto fail;
 
+	/* Set pause advertising */
+	old_adv = efx_mdio_read(efx, MDIO_MMD_AN, MDIO_AN_ADVERTISE);
+	adv = ((old_adv & ~(ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM)) |
+	       mii_advertise_flowctrl(efx->wanted_fc));
+	if (adv != old_adv) {
+		efx_mdio_write(efx, MDIO_MMD_AN, MDIO_AN_ADVERTISE, adv);
+		mdio45_nway_restart(&efx->mdio);
+	}
+
 	if (efx->phy_type == PHY_TYPE_SFT9001B) {
 		rc = device_create_file(&efx->pci_dev->dev,
 					&dev_attr_phy_short_reach);
-- 
GitLab


From 38fc0026da255aa328c3730a1c4d28b4e11e6a2b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicolas=20de=20Peslo=C3=BCan?= <nicolas.2p.debian@free.fr>
Date: Tue, 13 Oct 2009 00:45:06 -0700
Subject: [PATCH 0255/1815] bonding: change bond_create_proc_entry() to return
 void
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The function bond_create_proc_entry is currently of type int.

Two versions of this function exist:

The one in the ifdef CONFIG_PROC_FS branch always return 0.
The one in the else branch (which is empty) return nothing.

When CONFIG_PROC_FS is undef, this cause the following warning:

drivers/net/bonding/bond_main.c: In function `bond_create_proc_entry':
drivers/net/bonding/bond_main.c:3393: warning: control reaches end of
non-void function

No caller of this function use the returned value.

So change the returned type from int to void and remove the
useless return 0; .

Signed-off-by: Nicolas de Pesloüan <nicolas.2p.debian@free.fr>
Reported-by: Rakib Mullick <rakib.mullick@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bonding/bond_main.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index ef6af1cb7d3..feb03ad0d80 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -3375,7 +3375,7 @@ static const struct file_operations bond_info_fops = {
 	.release = seq_release,
 };
 
-static int bond_create_proc_entry(struct bonding *bond)
+static void bond_create_proc_entry(struct bonding *bond)
 {
 	struct net_device *bond_dev = bond->dev;
 
@@ -3390,8 +3390,6 @@ static int bond_create_proc_entry(struct bonding *bond)
 		else
 			memcpy(bond->proc_file_name, bond_dev->name, IFNAMSIZ);
 	}
-
-	return 0;
 }
 
 static void bond_remove_proc_entry(struct bonding *bond)
@@ -3430,7 +3428,7 @@ static void bond_destroy_proc_dir(void)
 
 #else /* !CONFIG_PROC_FS */
 
-static int bond_create_proc_entry(struct bonding *bond)
+static void bond_create_proc_entry(struct bonding *bond)
 {
 }
 
-- 
GitLab


From c3faca053d0a9c877597935b434150b422dbc6fb Mon Sep 17 00:00:00 2001
From: Cosmin Ratiu <cratiu@ixiacom.com>
Date: Fri, 9 Oct 2009 03:11:14 +0000
Subject: [PATCH 0256/1815] ipv6: fix devconf after adding force_tllao option

Signed-off-by: Cosmin Ratiu <cratiu@ixiacom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/addrconf.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index bdcee6981c6..91864840961 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3708,6 +3708,7 @@ static inline void ipv6_store_devconf(struct ipv6_devconf *cnf,
 #endif
 	array[DEVCONF_DISABLE_IPV6] = cnf->disable_ipv6;
 	array[DEVCONF_ACCEPT_DAD] = cnf->accept_dad;
+	array[DEVCONF_FORCE_TLLAO] = cnf->force_tllao;
 }
 
 static inline size_t inet6_if_nlmsg_size(void)
-- 
GitLab


From f373b53b5fe67aa4a6f28f921a529cc90f88e79b Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 9 Oct 2009 00:16:19 +0000
Subject: [PATCH 0257/1815] tcp: replace ehash_size by ehash_mask

Storing the mask (size - 1) instead of the size allows fast path to be
a bit faster.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/inet_hashtables.h |  4 ++--
 net/dccp/proto.c              | 13 +++++++------
 net/ipv4/inet_diag.c          |  2 +-
 net/ipv4/inet_hashtables.c    |  2 +-
 net/ipv4/inet_timewait_sock.c |  2 +-
 net/ipv4/tcp.c                | 11 +++++------
 net/ipv4/tcp_ipv4.c           |  6 +++---
 net/ipv6/inet6_hashtables.c   |  2 +-
 8 files changed, 21 insertions(+), 21 deletions(-)

diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h
index d522dcf3031..5f11c4a0dac 100644
--- a/include/net/inet_hashtables.h
+++ b/include/net/inet_hashtables.h
@@ -125,7 +125,7 @@ struct inet_hashinfo {
 	 */
 	struct inet_ehash_bucket	*ehash;
 	spinlock_t			*ehash_locks;
-	unsigned int			ehash_size;
+	unsigned int			ehash_mask;
 	unsigned int			ehash_locks_mask;
 
 	/* Ok, let's try this, I give up, we do need a local binding
@@ -158,7 +158,7 @@ static inline struct inet_ehash_bucket *inet_ehash_bucket(
 	struct inet_hashinfo *hashinfo,
 	unsigned int hash)
 {
-	return &hashinfo->ehash[hash & (hashinfo->ehash_size - 1)];
+	return &hashinfo->ehash[hash & hashinfo->ehash_mask];
 }
 
 static inline spinlock_t *inet_ehash_lockp(
diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index a156319fd0a..ecb203fff50 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -1060,11 +1060,12 @@ static int __init dccp_init(void)
 	for (ehash_order = 0; (1UL << ehash_order) < goal; ehash_order++)
 		;
 	do {
-		dccp_hashinfo.ehash_size = (1UL << ehash_order) * PAGE_SIZE /
+		unsigned long hash_size = (1UL << ehash_order) * PAGE_SIZE /
 					sizeof(struct inet_ehash_bucket);
-		while (dccp_hashinfo.ehash_size &
-		       (dccp_hashinfo.ehash_size - 1))
-			dccp_hashinfo.ehash_size--;
+
+		while (hash_size & (hash_size - 1))
+			hash_size--;
+		dccp_hashinfo.ehash_mask = hash_size - 1;
 		dccp_hashinfo.ehash = (struct inet_ehash_bucket *)
 			__get_free_pages(GFP_ATOMIC|__GFP_NOWARN, ehash_order);
 	} while (!dccp_hashinfo.ehash && --ehash_order > 0);
@@ -1074,7 +1075,7 @@ static int __init dccp_init(void)
 		goto out_free_bind_bucket_cachep;
 	}
 
-	for (i = 0; i < dccp_hashinfo.ehash_size; i++) {
+	for (i = 0; i <= dccp_hashinfo.ehash_mask; i++) {
 		INIT_HLIST_NULLS_HEAD(&dccp_hashinfo.ehash[i].chain, i);
 		INIT_HLIST_NULLS_HEAD(&dccp_hashinfo.ehash[i].twchain, i);
 	}
@@ -1153,7 +1154,7 @@ static void __exit dccp_fini(void)
 		   get_order(dccp_hashinfo.bhash_size *
 			     sizeof(struct inet_bind_hashbucket)));
 	free_pages((unsigned long)dccp_hashinfo.ehash,
-		   get_order(dccp_hashinfo.ehash_size *
+		   get_order((dccp_hashinfo.ehash_mask + 1) *
 			     sizeof(struct inet_ehash_bucket)));
 	inet_ehash_locks_free(&dccp_hashinfo);
 	kmem_cache_destroy(dccp_hashinfo.bind_bucket_cachep);
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index a706a47f4db..cb73fdefba9 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -774,7 +774,7 @@ skip_listen_ht:
 	if (!(r->idiag_states & ~(TCPF_LISTEN | TCPF_SYN_RECV)))
 		goto unlock;
 
-	for (i = s_i; i < hashinfo->ehash_size; i++) {
+	for (i = s_i; i <= hashinfo->ehash_mask; i++) {
 		struct inet_ehash_bucket *head = &hashinfo->ehash[i];
 		spinlock_t *lock = inet_ehash_lockp(hashinfo, i);
 		struct sock *sk;
diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index 625cc5f64c9..a45aaf3d48b 100644
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -209,7 +209,7 @@ struct sock * __inet_lookup_established(struct net *net,
 	 * have wildcards anyways.
 	 */
 	unsigned int hash = inet_ehashfn(net, daddr, hnum, saddr, sport);
-	unsigned int slot = hash & (hashinfo->ehash_size - 1);
+	unsigned int slot = hash & hashinfo->ehash_mask;
 	struct inet_ehash_bucket *head = &hashinfo->ehash[slot];
 
 	rcu_read_lock();
diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c
index 13f0781f35c..2fe571155b2 100644
--- a/net/ipv4/inet_timewait_sock.c
+++ b/net/ipv4/inet_timewait_sock.c
@@ -430,7 +430,7 @@ void inet_twsk_purge(struct net *net, struct inet_hashinfo *hashinfo,
 	int h;
 
 	local_bh_disable();
-	for (h = 0; h < (hashinfo->ehash_size); h++) {
+	for (h = 0; h <= hashinfo->ehash_mask; h++) {
 		struct inet_ehash_bucket *head =
 			inet_ehash_bucket(hashinfo, h);
 		spinlock_t *lock = inet_ehash_lockp(hashinfo, h);
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 64d0af67582..cf13726259c 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2865,11 +2865,10 @@ void __init tcp_init(void)
 					(totalram_pages >= 128 * 1024) ?
 					13 : 15,
 					0,
-					&tcp_hashinfo.ehash_size,
 					NULL,
+					&tcp_hashinfo.ehash_mask,
 					thash_entries ? 0 : 512 * 1024);
-	tcp_hashinfo.ehash_size = 1 << tcp_hashinfo.ehash_size;
-	for (i = 0; i < tcp_hashinfo.ehash_size; i++) {
+	for (i = 0; i <= tcp_hashinfo.ehash_mask; i++) {
 		INIT_HLIST_NULLS_HEAD(&tcp_hashinfo.ehash[i].chain, i);
 		INIT_HLIST_NULLS_HEAD(&tcp_hashinfo.ehash[i].twchain, i);
 	}
@@ -2878,7 +2877,7 @@ void __init tcp_init(void)
 	tcp_hashinfo.bhash =
 		alloc_large_system_hash("TCP bind",
 					sizeof(struct inet_bind_hashbucket),
-					tcp_hashinfo.ehash_size,
+					tcp_hashinfo.ehash_mask + 1,
 					(totalram_pages >= 128 * 1024) ?
 					13 : 15,
 					0,
@@ -2933,8 +2932,8 @@ void __init tcp_init(void)
 	sysctl_tcp_rmem[2] = max(87380, max_share);
 
 	printk(KERN_INFO "TCP: Hash tables configured "
-	       "(established %d bind %d)\n",
-	       tcp_hashinfo.ehash_size, tcp_hashinfo.bhash_size);
+	       "(established %u bind %u)\n",
+	       tcp_hashinfo.ehash_mask + 1, tcp_hashinfo.bhash_size);
 
 	tcp_register_congestion_control(&tcp_reno);
 }
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 7cda24b53f6..99718703d04 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -2000,7 +2000,7 @@ static void *established_get_first(struct seq_file *seq)
 	struct net *net = seq_file_net(seq);
 	void *rc = NULL;
 
-	for (st->bucket = 0; st->bucket < tcp_hashinfo.ehash_size; ++st->bucket) {
+	for (st->bucket = 0; st->bucket <= tcp_hashinfo.ehash_mask; ++st->bucket) {
 		struct sock *sk;
 		struct hlist_nulls_node *node;
 		struct inet_timewait_sock *tw;
@@ -2061,10 +2061,10 @@ get_tw:
 		st->state = TCP_SEQ_STATE_ESTABLISHED;
 
 		/* Look for next non empty bucket */
-		while (++st->bucket < tcp_hashinfo.ehash_size &&
+		while (++st->bucket <= tcp_hashinfo.ehash_mask &&
 				empty_bucket(st))
 			;
-		if (st->bucket >= tcp_hashinfo.ehash_size)
+		if (st->bucket > tcp_hashinfo.ehash_mask)
 			return NULL;
 
 		spin_lock_bh(inet_ehash_lockp(&tcp_hashinfo, st->bucket));
diff --git a/net/ipv6/inet6_hashtables.c b/net/ipv6/inet6_hashtables.c
index 1bcc3431859..874aed86e1a 100644
--- a/net/ipv6/inet6_hashtables.c
+++ b/net/ipv6/inet6_hashtables.c
@@ -73,7 +73,7 @@ struct sock *__inet6_lookup_established(struct net *net,
 	 * have wildcards anyways.
 	 */
 	unsigned int hash = inet6_ehashfn(net, daddr, hnum, saddr, sport);
-	unsigned int slot = hash & (hashinfo->ehash_size - 1);
+	unsigned int slot = hash & hashinfo->ehash_mask;
 	struct inet_ehash_bucket *head = &hashinfo->ehash[slot];
 
 
-- 
GitLab


From 61321bbd6235ca9a40ba3bc249e8906cc66233c3 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 7 Oct 2009 17:11:23 +0000
Subject: [PATCH 0258/1815] net: Add netdev_alloc_skb_ip_align() helper

Instead of hardcoding NET_IP_ALIGN stuff in various network drivers,
we can add a helper around netdev_alloc_skb()

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/skbuff.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 8c866b5cb97..0c68fbd6faa 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1491,6 +1491,16 @@ static inline struct sk_buff *netdev_alloc_skb(struct net_device *dev,
 	return __netdev_alloc_skb(dev, length, GFP_ATOMIC);
 }
 
+static inline struct sk_buff *netdev_alloc_skb_ip_align(struct net_device *dev,
+		unsigned int length)
+{
+	struct sk_buff *skb = netdev_alloc_skb(dev, length + NET_IP_ALIGN);
+
+	if (NET_IP_ALIGN && skb)
+		skb_reserve(skb, NET_IP_ALIGN);
+	return skb;
+}
+
 extern struct page *__netdev_alloc_page(struct net_device *dev, gfp_t gfp_mask);
 
 /**
-- 
GitLab


From a6e4bc5304033e434fabccabb230b8e9ff55d76f Mon Sep 17 00:00:00 2001
From: Wolfgang Grandegger <wg@grandegger.com>
Date: Thu, 8 Oct 2009 22:17:11 +0000
Subject: [PATCH 0259/1815] can: make the number of echo skb's configurable

This patch allows the CAN controller driver to define the number of echo
skb's used for the local loopback (echo), as suggested by Kurt Van
Dijck, with the function:

  struct net_device *alloc_candev(int sizeof_priv,
                                  unsigned int echo_skb_max);

The CAN drivers have been adapted accordingly. For the ems_usb driver,
as suggested by Sebastian Haas, the number of echo skb's has been
increased to 10, which improves the transmission performance a lot.

Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: Kurt Van Dijck <kurt.van.dijck@eia.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/can/at91_can.c        |  2 +-
 drivers/net/can/dev.c             | 32 +++++++++++++++++++++++++------
 drivers/net/can/sja1000/sja1000.c |  3 ++-
 drivers/net/can/sja1000/sja1000.h |  2 ++
 drivers/net/can/ti_hecc.c         |  6 +-----
 drivers/net/can/usb/ems_usb.c     |  4 ++--
 include/linux/can/dev.h           | 16 ++++++++--------
 7 files changed, 42 insertions(+), 23 deletions(-)

diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c
index f67ae285a35..b13fd911413 100644
--- a/drivers/net/can/at91_can.c
+++ b/drivers/net/can/at91_can.c
@@ -1087,7 +1087,7 @@ static int __init at91_can_probe(struct platform_device *pdev)
 		goto exit_release;
 	}
 
-	dev = alloc_candev(sizeof(struct at91_priv));
+	dev = alloc_candev(sizeof(struct at91_priv), AT91_MB_TX_NUM);
 	if (!dev) {
 		err = -ENOMEM;
 		goto exit_iounmap;
diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index f0b9a1e1db4..39b99f57c26 100644
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -245,7 +245,7 @@ static void can_flush_echo_skb(struct net_device *dev)
 	struct net_device_stats *stats = &dev->stats;
 	int i;
 
-	for (i = 0; i < CAN_ECHO_SKB_MAX; i++) {
+	for (i = 0; i < priv->echo_skb_max; i++) {
 		if (priv->echo_skb[i]) {
 			kfree_skb(priv->echo_skb[i]);
 			priv->echo_skb[i] = NULL;
@@ -262,10 +262,13 @@ static void can_flush_echo_skb(struct net_device *dev)
  * of the device driver. The driver must protect access to
  * priv->echo_skb, if necessary.
  */
-void can_put_echo_skb(struct sk_buff *skb, struct net_device *dev, int idx)
+void can_put_echo_skb(struct sk_buff *skb, struct net_device *dev,
+		      unsigned int idx)
 {
 	struct can_priv *priv = netdev_priv(dev);
 
+	BUG_ON(idx >= priv->echo_skb_max);
+
 	/* check flag whether this packet has to be looped back */
 	if (!(dev->flags & IFF_ECHO) || skb->pkt_type != PACKET_LOOPBACK) {
 		kfree_skb(skb);
@@ -311,10 +314,12 @@ EXPORT_SYMBOL_GPL(can_put_echo_skb);
  * is handled in the device driver. The driver must protect
  * access to priv->echo_skb, if necessary.
  */
-void can_get_echo_skb(struct net_device *dev, int idx)
+void can_get_echo_skb(struct net_device *dev, unsigned int idx)
 {
 	struct can_priv *priv = netdev_priv(dev);
 
+	BUG_ON(idx >= priv->echo_skb_max);
+
 	if (priv->echo_skb[idx]) {
 		netif_rx(priv->echo_skb[idx]);
 		priv->echo_skb[idx] = NULL;
@@ -327,10 +332,12 @@ EXPORT_SYMBOL_GPL(can_get_echo_skb);
   *
   * The function is typically called when TX failed.
   */
-void can_free_echo_skb(struct net_device *dev, int idx)
+void can_free_echo_skb(struct net_device *dev, unsigned int idx)
 {
 	struct can_priv *priv = netdev_priv(dev);
 
+	BUG_ON(idx >= priv->echo_skb_max);
+
 	if (priv->echo_skb[idx]) {
 		kfree_skb(priv->echo_skb[idx]);
 		priv->echo_skb[idx] = NULL;
@@ -445,17 +452,30 @@ static void can_setup(struct net_device *dev)
 /*
  * Allocate and setup space for the CAN network device
  */
-struct net_device *alloc_candev(int sizeof_priv)
+struct net_device *alloc_candev(int sizeof_priv, unsigned int echo_skb_max)
 {
 	struct net_device *dev;
 	struct can_priv *priv;
+	int size;
 
-	dev = alloc_netdev(sizeof_priv, "can%d", can_setup);
+	if (echo_skb_max)
+		size = ALIGN(sizeof_priv, sizeof(struct sk_buff *)) +
+			echo_skb_max * sizeof(struct sk_buff *);
+	else
+		size = sizeof_priv;
+
+	dev = alloc_netdev(size, "can%d", can_setup);
 	if (!dev)
 		return NULL;
 
 	priv = netdev_priv(dev);
 
+	if (echo_skb_max) {
+		priv->echo_skb_max = echo_skb_max;
+		priv->echo_skb = (void *)priv +
+			ALIGN(sizeof_priv, sizeof(struct sk_buff *));
+	}
+
 	priv->state = CAN_STATE_STOPPED;
 
 	init_timer(&priv->restart_timer);
diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c
index 16d2ecd2a3b..96d8be4253f 100644
--- a/drivers/net/can/sja1000/sja1000.c
+++ b/drivers/net/can/sja1000/sja1000.c
@@ -565,7 +565,8 @@ struct net_device *alloc_sja1000dev(int sizeof_priv)
 	struct net_device *dev;
 	struct sja1000_priv *priv;
 
-	dev = alloc_candev(sizeof(struct sja1000_priv) + sizeof_priv);
+	dev = alloc_candev(sizeof(struct sja1000_priv) + sizeof_priv,
+		SJA1000_ECHO_SKB_MAX);
 	if (!dev)
 		return NULL;
 
diff --git a/drivers/net/can/sja1000/sja1000.h b/drivers/net/can/sja1000/sja1000.h
index 302d2c763ad..97a622b9302 100644
--- a/drivers/net/can/sja1000/sja1000.h
+++ b/drivers/net/can/sja1000/sja1000.h
@@ -50,6 +50,8 @@
 #include <linux/can/dev.h>
 #include <linux/can/platform/sja1000.h>
 
+#define SJA1000_ECHO_SKB_MAX	1 /* the SJA1000 has one TX buffer object */
+
 #define SJA1000_MAX_IRQ 20	/* max. number of interrupts handled in ISR */
 
 /* SJA1000 registers - manual section 6.4 (Pelican Mode) */
diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c
index 814e6c5c638..23a7128e4eb 100644
--- a/drivers/net/can/ti_hecc.c
+++ b/drivers/net/can/ti_hecc.c
@@ -74,10 +74,6 @@ MODULE_VERSION(HECC_MODULE_VERSION);
 #define HECC_MB_TX_SHIFT	2 /* as per table above */
 #define HECC_MAX_TX_MBOX	BIT(HECC_MB_TX_SHIFT)
 
-#if (HECC_MAX_TX_MBOX > CAN_ECHO_SKB_MAX)
-#error "HECC: MAX TX mailboxes should be equal or less than CAN_ECHO_SKB_MAX"
-#endif
-
 #define HECC_TX_PRIO_SHIFT	(HECC_MB_TX_SHIFT)
 #define HECC_TX_PRIO_MASK	(MAX_TX_PRIO << HECC_MB_TX_SHIFT)
 #define HECC_TX_MB_MASK		(HECC_MAX_TX_MBOX - 1)
@@ -902,7 +898,7 @@ static int ti_hecc_probe(struct platform_device *pdev)
 		goto probe_exit_free_region;
 	}
 
-	ndev = alloc_candev(sizeof(struct ti_hecc_priv));
+	ndev = alloc_candev(sizeof(struct ti_hecc_priv), HECC_MAX_TX_MBOX);
 	if (!ndev) {
 		dev_err(&pdev->dev, "alloc_candev failed\n");
 		err = -ENOMEM;
diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c
index 9012e0abc62..a65f56a9cd3 100644
--- a/drivers/net/can/usb/ems_usb.c
+++ b/drivers/net/can/usb/ems_usb.c
@@ -232,7 +232,7 @@ MODULE_DEVICE_TABLE(usb, ems_usb_table);
 #define INTR_IN_BUFFER_SIZE 4
 
 #define MAX_RX_URBS 10
-#define MAX_TX_URBS CAN_ECHO_SKB_MAX
+#define MAX_TX_URBS 10
 
 struct ems_usb;
 
@@ -1012,7 +1012,7 @@ static int ems_usb_probe(struct usb_interface *intf,
 	struct ems_usb *dev;
 	int i, err = -ENOMEM;
 
-	netdev = alloc_candev(sizeof(struct ems_usb));
+	netdev = alloc_candev(sizeof(struct ems_usb), MAX_TX_URBS);
 	if (!netdev) {
 		dev_err(netdev->dev.parent, "Couldn't alloc candev\n");
 		return -ENOMEM;
diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h
index 5824b20b5fc..1d3f7f00e3a 100644
--- a/include/linux/can/dev.h
+++ b/include/linux/can/dev.h
@@ -29,8 +29,6 @@ enum can_mode {
 /*
  * CAN common private data
  */
-#define CAN_ECHO_SKB_MAX  4
-
 struct can_priv {
 	struct can_device_stats can_stats;
 
@@ -44,15 +42,16 @@ struct can_priv {
 	int restart_ms;
 	struct timer_list restart_timer;
 
-	struct sk_buff *echo_skb[CAN_ECHO_SKB_MAX];
-
 	int (*do_set_bittiming)(struct net_device *dev);
 	int (*do_set_mode)(struct net_device *dev, enum can_mode mode);
 	int (*do_get_state)(const struct net_device *dev,
 			    enum can_state *state);
+
+	unsigned int echo_skb_max;
+	struct sk_buff **echo_skb;
 };
 
-struct net_device *alloc_candev(int sizeof_priv);
+struct net_device *alloc_candev(int sizeof_priv, unsigned int echo_skb_max);
 void free_candev(struct net_device *dev);
 
 int open_candev(struct net_device *dev);
@@ -64,8 +63,9 @@ void unregister_candev(struct net_device *dev);
 int can_restart_now(struct net_device *dev);
 void can_bus_off(struct net_device *dev);
 
-void can_put_echo_skb(struct sk_buff *skb, struct net_device *dev, int idx);
-void can_get_echo_skb(struct net_device *dev, int idx);
-void can_free_echo_skb(struct net_device *dev, int idx);
+void can_put_echo_skb(struct sk_buff *skb, struct net_device *dev,
+		      unsigned int idx);
+void can_get_echo_skb(struct net_device *dev, unsigned int idx);
+void can_free_echo_skb(struct net_device *dev, unsigned int idx);
 
 #endif /* CAN_DEV_H */
-- 
GitLab


From 748031f9fd2c06b28817d80761a5de97190cfd03 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@opensource.se>
Date: Fri, 9 Oct 2009 00:17:14 +0000
Subject: [PATCH 0260/1815] net: allow sh_eth to get mac address through
 platform data

Extend the sh_eth driver to allow passing the mac address
using the platform data structure. This to simplify board
setup code.

Signed-off-by: Magnus Damm <damm@opensource.se>
Tested-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 arch/sh/include/asm/sh_eth.h |  1 +
 drivers/net/sh_eth.c         | 20 ++++++++++++--------
 2 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/arch/sh/include/asm/sh_eth.h b/arch/sh/include/asm/sh_eth.h
index acf99700dee..f739061e2ee 100644
--- a/arch/sh/include/asm/sh_eth.h
+++ b/arch/sh/include/asm/sh_eth.h
@@ -7,6 +7,7 @@ struct sh_eth_plat_data {
 	int phy;
 	int edmac_endian;
 
+	unsigned char mac_addr[6];
 	unsigned no_ether_link:1;
 	unsigned ether_link_active_low:1;
 };
diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c
index f49d0800c1d..a4da7e7574e 100644
--- a/drivers/net/sh_eth.c
+++ b/drivers/net/sh_eth.c
@@ -298,16 +298,20 @@ static void update_mac_address(struct net_device *ndev)
  * When you want use this device, you must set MAC address in bootloader.
  *
  */
-static void read_mac_address(struct net_device *ndev)
+static void read_mac_address(struct net_device *ndev, unsigned char *mac)
 {
 	u32 ioaddr = ndev->base_addr;
 
-	ndev->dev_addr[0] = (ctrl_inl(ioaddr + MAHR) >> 24);
-	ndev->dev_addr[1] = (ctrl_inl(ioaddr + MAHR) >> 16) & 0xFF;
-	ndev->dev_addr[2] = (ctrl_inl(ioaddr + MAHR) >> 8) & 0xFF;
-	ndev->dev_addr[3] = (ctrl_inl(ioaddr + MAHR) & 0xFF);
-	ndev->dev_addr[4] = (ctrl_inl(ioaddr + MALR) >> 8) & 0xFF;
-	ndev->dev_addr[5] = (ctrl_inl(ioaddr + MALR) & 0xFF);
+	if (mac[0] || mac[1] || mac[2] || mac[3] || mac[4] || mac[5]) {
+		memcpy(ndev->dev_addr, mac, 6);
+	} else {
+		ndev->dev_addr[0] = (ctrl_inl(ioaddr + MAHR) >> 24);
+		ndev->dev_addr[1] = (ctrl_inl(ioaddr + MAHR) >> 16) & 0xFF;
+		ndev->dev_addr[2] = (ctrl_inl(ioaddr + MAHR) >> 8) & 0xFF;
+		ndev->dev_addr[3] = (ctrl_inl(ioaddr + MAHR) & 0xFF);
+		ndev->dev_addr[4] = (ctrl_inl(ioaddr + MALR) >> 8) & 0xFF;
+		ndev->dev_addr[5] = (ctrl_inl(ioaddr + MALR) & 0xFF);
+	}
 }
 
 struct bb_info {
@@ -1427,7 +1431,7 @@ static int sh_eth_drv_probe(struct platform_device *pdev)
 	mdp->post_fw = POST_FW >> (devno << 1);
 
 	/* read and set MAC address */
-	read_mac_address(ndev);
+	read_mac_address(ndev, pd->mac_addr);
 
 	/* First device only init */
 	if (!devno) {
-- 
GitLab


From bcd5149ded6b2edbf3732fa1483600a716b1cba6 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@opensource.se>
Date: Fri, 9 Oct 2009 00:20:04 +0000
Subject: [PATCH 0261/1815] net: add Runtime PM to the sh_eth driver

Add Runtime PM support to the sh_eth driver.

The clock to the ethernet hardware block will be
enabled as long as the network device is up.

Signed-off-by: Magnus Damm <damm@opensource.se>
Tested-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sh_eth.c | 35 +++++++++++++++++++++++++++++++++--
 drivers/net/sh_eth.h |  1 +
 2 files changed, 34 insertions(+), 2 deletions(-)

diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c
index a4da7e7574e..161181a4b3d 100644
--- a/drivers/net/sh_eth.c
+++ b/drivers/net/sh_eth.c
@@ -30,7 +30,7 @@
 #include <linux/phy.h>
 #include <linux/cache.h>
 #include <linux/io.h>
-
+#include <linux/pm_runtime.h>
 #include "sh_eth.h"
 
 /* There is CPU dependent code */
@@ -1012,6 +1012,8 @@ static int sh_eth_open(struct net_device *ndev)
 	int ret = 0;
 	struct sh_eth_private *mdp = netdev_priv(ndev);
 
+	pm_runtime_get_sync(&mdp->pdev->dev);
+
 	ret = request_irq(ndev->irq, &sh_eth_interrupt,
 #if defined(CONFIG_CPU_SUBTYPE_SH7763) || defined(CONFIG_CPU_SUBTYPE_SH7764)
 				IRQF_SHARED,
@@ -1048,6 +1050,7 @@ static int sh_eth_open(struct net_device *ndev)
 
 out_free_irq:
 	free_irq(ndev->irq, ndev);
+	pm_runtime_put_sync(&mdp->pdev->dev);
 	return ret;
 }
 
@@ -1179,6 +1182,8 @@ static int sh_eth_close(struct net_device *ndev)
 	ringsize = sizeof(struct sh_eth_txdesc) * TX_RING_SIZE;
 	dma_free_coherent(NULL, ringsize, mdp->tx_ring, mdp->tx_desc_dma);
 
+	pm_runtime_put_sync(&mdp->pdev->dev);
+
 	return 0;
 }
 
@@ -1187,6 +1192,8 @@ static struct net_device_stats *sh_eth_get_stats(struct net_device *ndev)
 	struct sh_eth_private *mdp = netdev_priv(ndev);
 	u32 ioaddr = ndev->base_addr;
 
+	pm_runtime_get_sync(&mdp->pdev->dev);
+
 	mdp->stats.tx_dropped += ctrl_inl(ioaddr + TROCR);
 	ctrl_outl(0, ioaddr + TROCR);	/* (write clear) */
 	mdp->stats.collisions += ctrl_inl(ioaddr + CDCR);
@@ -1202,6 +1209,8 @@ static struct net_device_stats *sh_eth_get_stats(struct net_device *ndev)
 	mdp->stats.tx_carrier_errors += ctrl_inl(ioaddr + CNDCR);
 	ctrl_outl(0, ioaddr + CNDCR);	/* (write clear) */
 #endif
+	pm_runtime_put_sync(&mdp->pdev->dev);
+
 	return &mdp->stats;
 }
 
@@ -1410,6 +1419,9 @@ static int sh_eth_drv_probe(struct platform_device *pdev)
 
 	mdp = netdev_priv(ndev);
 	spin_lock_init(&mdp->lock);
+	mdp->pdev = pdev;
+	pm_runtime_enable(&pdev->dev);
+	pm_runtime_resume(&pdev->dev);
 
 	pd = (struct sh_eth_plat_data *)(pdev->dev.platform_data);
 	/* get PHY ID */
@@ -1485,18 +1497,37 @@ static int sh_eth_drv_remove(struct platform_device *pdev)
 	sh_mdio_release(ndev);
 	unregister_netdev(ndev);
 	flush_scheduled_work();
-
+	pm_runtime_disable(&pdev->dev);
 	free_netdev(ndev);
 	platform_set_drvdata(pdev, NULL);
 
 	return 0;
 }
 
+static int sh_eth_runtime_nop(struct device *dev)
+{
+	/*
+	 * Runtime PM callback shared between ->runtime_suspend()
+	 * and ->runtime_resume(). Simply returns success.
+	 *
+	 * This driver re-initializes all registers after
+	 * pm_runtime_get_sync() anyway so there is no need
+	 * to save and restore registers here.
+	 */
+	return 0;
+}
+
+static struct dev_pm_ops sh_eth_dev_pm_ops = {
+	.runtime_suspend = sh_eth_runtime_nop,
+	.runtime_resume = sh_eth_runtime_nop,
+};
+
 static struct platform_driver sh_eth_driver = {
 	.probe = sh_eth_drv_probe,
 	.remove = sh_eth_drv_remove,
 	.driver = {
 		   .name = CARDNAME,
+		   .pm = &sh_eth_dev_pm_ops,
 	},
 };
 
diff --git a/drivers/net/sh_eth.h b/drivers/net/sh_eth.h
index ba151f86ae7..8b47763958f 100644
--- a/drivers/net/sh_eth.h
+++ b/drivers/net/sh_eth.h
@@ -703,6 +703,7 @@ struct sh_eth_cpu_data {
 };
 
 struct sh_eth_private {
+	struct platform_device *pdev;
 	struct sh_eth_cpu_data *cd;
 	dma_addr_t rx_desc_dma;
 	dma_addr_t tx_desc_dma;
-- 
GitLab


From f14d42f314cb45a080bf84ecadf8b9b1eebbe9fd Mon Sep 17 00:00:00 2001
From: Karen Xie <kxie@chelsio.com>
Date: Thu, 8 Oct 2009 09:11:05 +0000
Subject: [PATCH 0262/1815] cxgb3: Added private MAC address and provisioning
 packet handler for iSCSI

This patch added support of private MAC address per port and provisioning
packet handler for iSCSI traffic only.

The above changes are isolated to the cxgb3 driver, independent of any scsi or iscsi driver changes.

Acked-by: Karen Xie <kxie@chelsio.com>
Acked-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: Rakesh Ranjan <rakesh@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/cxgb3/adapter.h    | 16 ++++++++++++++++
 drivers/net/cxgb3/cxgb3_main.c | 22 ++++++++++++++++++----
 drivers/net/cxgb3/sge.c        | 28 +++++++++++++++++++---------
 3 files changed, 53 insertions(+), 13 deletions(-)

diff --git a/drivers/net/cxgb3/adapter.h b/drivers/net/cxgb3/adapter.h
index 2b1aea6aa55..3e8618b4efb 100644
--- a/drivers/net/cxgb3/adapter.h
+++ b/drivers/net/cxgb3/adapter.h
@@ -48,12 +48,27 @@
 struct vlan_group;
 struct adapter;
 struct sge_qset;
+struct port_info;
 
 enum {			/* rx_offload flags */
 	T3_RX_CSUM	= 1 << 0,
 	T3_LRO		= 1 << 1,
 };
 
+enum mac_idx_types {
+	LAN_MAC_IDX	= 0,
+	SAN_MAC_IDX,
+
+	MAX_MAC_IDX
+};
+
+struct iscsi_config {
+	__u8	mac_addr[ETH_ALEN];
+	__u32	flags;
+	int (*send)(struct port_info *pi, struct sk_buff **skb);
+	int (*recv)(struct port_info *pi, struct sk_buff *skb);
+};
+
 struct port_info {
 	struct adapter *adapter;
 	struct vlan_group *vlan_grp;
@@ -68,6 +83,7 @@ struct port_info {
 	struct net_device_stats netstats;
 	int activity;
 	__be32 iscsi_ipv4addr;
+	struct iscsi_config iscsic;
 
 	int link_fault; /* link fault was detected */
 };
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index 34e776c5f06..c9113d3297e 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -344,8 +344,10 @@ static void link_start(struct net_device *dev)
 
 	init_rx_mode(&rm, dev, dev->mc_list);
 	t3_mac_reset(mac);
+	t3_mac_set_num_ucast(mac, MAX_MAC_IDX);
 	t3_mac_set_mtu(mac, dev->mtu);
-	t3_mac_set_address(mac, 0, dev->dev_addr);
+	t3_mac_set_address(mac, LAN_MAC_IDX, dev->dev_addr);
+	t3_mac_set_address(mac, SAN_MAC_IDX, pi->iscsic.mac_addr);
 	t3_mac_set_rx_mode(mac, &rm);
 	t3_link_start(&pi->phy, mac, &pi->link_config);
 	t3_mac_enable(mac, MAC_DIRECTION_RX | MAC_DIRECTION_TX);
@@ -903,6 +905,7 @@ static inline int offload_tx(struct t3cdev *tdev, struct sk_buff *skb)
 static int write_smt_entry(struct adapter *adapter, int idx)
 {
 	struct cpl_smt_write_req *req;
+	struct port_info *pi = netdev_priv(adapter->port[idx]);
 	struct sk_buff *skb = alloc_skb(sizeof(*req), GFP_KERNEL);
 
 	if (!skb)
@@ -913,8 +916,8 @@ static int write_smt_entry(struct adapter *adapter, int idx)
 	OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_SMT_WRITE_REQ, idx));
 	req->mtu_idx = NMTUS - 1;	/* should be 0 but there's a T3 bug */
 	req->iff = idx;
-	memset(req->src_mac1, 0, sizeof(req->src_mac1));
 	memcpy(req->src_mac0, adapter->port[idx]->dev_addr, ETH_ALEN);
+	memcpy(req->src_mac1, pi->iscsic.mac_addr, ETH_ALEN);
 	skb->priority = 1;
 	offload_tx(&adapter->tdev, skb);
 	return 0;
@@ -2516,7 +2519,7 @@ static int cxgb_set_mac_addr(struct net_device *dev, void *p)
 		return -EINVAL;
 
 	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
-	t3_mac_set_address(&pi->mac, 0, dev->dev_addr);
+	t3_mac_set_address(&pi->mac, LAN_MAC_IDX, dev->dev_addr);
 	if (offload_running(adapter))
 		write_smt_entry(adapter, pi->port_id);
 	return 0;
@@ -2654,7 +2657,7 @@ static void check_t3b2_mac(struct adapter *adapter)
 			struct cmac *mac = &p->mac;
 
 			t3_mac_set_mtu(mac, dev->mtu);
-			t3_mac_set_address(mac, 0, dev->dev_addr);
+			t3_mac_set_address(mac, LAN_MAC_IDX, dev->dev_addr);
 			cxgb_set_rxmode(dev);
 			t3_link_start(&p->phy, mac, &p->link_config);
 			t3_mac_enable(mac, MAC_DIRECTION_RX | MAC_DIRECTION_TX);
@@ -3112,6 +3115,14 @@ static const struct net_device_ops cxgb_netdev_ops = {
 #endif
 };
 
+static void __devinit cxgb3_init_iscsi_mac(struct net_device *dev)
+{
+	struct port_info *pi = netdev_priv(dev);
+
+	memcpy(pi->iscsic.mac_addr, dev->dev_addr, ETH_ALEN);
+	pi->iscsic.mac_addr[3] |= 0x80;
+}
+
 static int __devinit init_one(struct pci_dev *pdev,
 			      const struct pci_device_id *ent)
 {
@@ -3270,6 +3281,9 @@ static int __devinit init_one(struct pci_dev *pdev,
 		goto out_free_dev;
 	}
 
+	for_each_port(adapter, i)
+		cxgb3_init_iscsi_mac(adapter->port[i]);
+
 	/* Driver's ready. Reflect it on LEDs */
 	t3_led_ready(adapter);
 
diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c
index f86612857a7..b7f4ee40879 100644
--- a/drivers/net/cxgb3/sge.c
+++ b/drivers/net/cxgb3/sge.c
@@ -1946,10 +1946,9 @@ static void restart_tx(struct sge_qset *qs)
  *	Check if the ARP request is probing the private IP address
  *	dedicated to iSCSI, generate an ARP reply if so.
  */
-static void cxgb3_arp_process(struct adapter *adapter, struct sk_buff *skb)
+static void cxgb3_arp_process(struct port_info *pi, struct sk_buff *skb)
 {
 	struct net_device *dev = skb->dev;
-	struct port_info *pi;
 	struct arphdr *arp;
 	unsigned char *arp_ptr;
 	unsigned char *sha;
@@ -1972,12 +1971,11 @@ static void cxgb3_arp_process(struct adapter *adapter, struct sk_buff *skb)
 	arp_ptr += dev->addr_len;
 	memcpy(&tip, arp_ptr, sizeof(tip));
 
-	pi = netdev_priv(dev);
 	if (tip != pi->iscsi_ipv4addr)
 		return;
 
 	arp_send(ARPOP_REPLY, ETH_P_ARP, sip, dev, tip, sha,
-		 dev->dev_addr, sha);
+		 pi->iscsic.mac_addr, sha);
 
 }
 
@@ -1986,6 +1984,19 @@ static inline int is_arp(struct sk_buff *skb)
 	return skb->protocol == htons(ETH_P_ARP);
 }
 
+static void cxgb3_process_iscsi_prov_pack(struct port_info *pi,
+					struct sk_buff *skb)
+{
+	if (is_arp(skb)) {
+		cxgb3_arp_process(pi, skb);
+		return;
+	}
+
+	if (pi->iscsic.recv)
+		pi->iscsic.recv(pi, skb);
+
+}
+
 /**
  *	rx_eth - process an ingress ethernet packet
  *	@adap: the adapter
@@ -2024,13 +2035,12 @@ static void rx_eth(struct adapter *adap, struct sge_rspq *rq,
 				vlan_gro_receive(&qs->napi, grp,
 						 ntohs(p->vlan), skb);
 			else {
-				if (unlikely(pi->iscsi_ipv4addr &&
-				    is_arp(skb))) {
+				if (unlikely(pi->iscsic.flags)) {
 					unsigned short vtag = ntohs(p->vlan) &
 								VLAN_VID_MASK;
 					skb->dev = vlan_group_get_device(grp,
 									 vtag);
-					cxgb3_arp_process(adap, skb);
+					cxgb3_process_iscsi_prov_pack(pi, skb);
 				}
 				__vlan_hwaccel_rx(skb, grp, ntohs(p->vlan),
 					  	  rq->polling);
@@ -2041,8 +2051,8 @@ static void rx_eth(struct adapter *adap, struct sge_rspq *rq,
 		if (lro)
 			napi_gro_receive(&qs->napi, skb);
 		else {
-			if (unlikely(pi->iscsi_ipv4addr && is_arp(skb)))
-				cxgb3_arp_process(adap, skb);
+			if (unlikely(pi->iscsic.flags))
+				cxgb3_process_iscsi_prov_pack(pi, skb);
 			netif_receive_skb(skb);
 		}
 	} else
-- 
GitLab


From 06a96b33aea838b61a6eeccded781a305cf85a12 Mon Sep 17 00:00:00 2001
From: roel kluin <roel.kluin@gmail.com>
Date: Wed, 7 Oct 2009 00:59:42 +0000
Subject: [PATCH 0263/1815] x25: bit and/or confusion in x25_ioctl()?

Looking at commit ebc3f64b864f it appears that this was intended
and not the original, equivalent to `if (facilities.reverse & ~0x81)'.

In x25_parse_facilities() that patch changed how facilities->reverse
was set. No other bits were set than 0x80 and/or 0x01.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/x25/af_x25.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index ebbfe6bbbff..e19d811788a 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -1363,7 +1363,7 @@ static int x25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 			    facilities.throughput > 0xDD)
 				break;
 			if (facilities.reverse &&
-				(facilities.reverse | 0x81)!= 0x81)
+				(facilities.reverse & 0x81) != 0x81)
 				break;
 			x25->facilities = facilities;
 			rc = 0;
-- 
GitLab


From a81d4bfdef72af6b332306a64e2d119bd5365506 Mon Sep 17 00:00:00 2001
From: roel kluin <roel.kluin@gmail.com>
Date: Tue, 6 Oct 2009 01:20:08 +0000
Subject: [PATCH 0264/1815] net/hamradio: fix test in receive()

The negation makes it a bool before the comparison and hence it
will never evaluate to true.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/hamradio/baycom_epp.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/hamradio/baycom_epp.c b/drivers/net/hamradio/baycom_epp.c
index 7bcaf7c6624..ee06a13ba0f 100644
--- a/drivers/net/hamradio/baycom_epp.c
+++ b/drivers/net/hamradio/baycom_epp.c
@@ -596,7 +596,8 @@ static int receive(struct net_device *dev, int cnt)
 						state = 0;
 
 					/* not flag received */
-					else if (!(bitstream & (0x1fe << j)) != (0x0fc << j)) {
+					else if ((bitstream & (0x1fe << j)) !=
+							(0x0fc << j)) {
 						if (state)
 							do_rxpacket(dev);
 						bc->hdlcrx.bufcnt = 0;
-- 
GitLab


From bff1c09640b3006bca711e18ef08a5fb955ad9b5 Mon Sep 17 00:00:00 2001
From: roel kluin <roel.kluin@gmail.com>
Date: Tue, 6 Oct 2009 10:07:15 +0000
Subject: [PATCH 0265/1815] sb1250-mac: duplicate setting of bit
 V_MAC_RX_PL_THRSH(4) in sbmac_channel_start()

The bit V_MAC_RX_PL_THRSH(4) was already set a few lines higher.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sb1250-mac.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/net/sb1250-mac.c b/drivers/net/sb1250-mac.c
index 508551f1b3f..7269a875326 100644
--- a/drivers/net/sb1250-mac.c
+++ b/drivers/net/sb1250-mac.c
@@ -1476,7 +1476,6 @@ static void sbmac_channel_start(struct sbmac_softc *s)
 		V_MAC_TX_RL_THRSH(4) |
 		V_MAC_RX_PL_THRSH(4) |
 		V_MAC_RX_RD_THRSH(4) |	/* Must be '4' */
-		V_MAC_RX_PL_THRSH(4) |
 		V_MAC_RX_RL_THRSH(8) |
 		0;
 
-- 
GitLab


From 89d71a66c40d629e3b1285def543ab1425558cd5 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 13 Oct 2009 05:34:20 +0000
Subject: [PATCH 0266/1815] net: Use netdev_alloc_skb_ip_align()

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/3c59x.c            |  3 +--
 drivers/net/8139cp.c           |  8 ++------
 drivers/net/8139too.c          |  3 +--
 drivers/net/atl1e/atl1e_main.c |  4 +---
 drivers/net/atlx/atl1.c        | 11 ++--------
 drivers/net/atlx/atl2.c        |  3 +--
 drivers/net/bcm63xx_enet.c     |  5 +----
 drivers/net/benet/be_main.c    |  4 +---
 drivers/net/cpmac.c            |  6 ++----
 drivers/net/dl2k.c             | 18 +++++++----------
 drivers/net/e100.c             |  5 ++---
 drivers/net/e1000/e1000_main.c | 29 +++++++-------------------
 drivers/net/e1000e/netdev.c    | 37 +++++++---------------------------
 drivers/net/ehea/ehea_main.c   |  9 +++++----
 drivers/net/enic/enic_main.c   | 15 +-------------
 drivers/net/ethoc.c            |  4 ++--
 drivers/net/hamachi.c          | 12 +++++------
 drivers/net/igb/igb_main.c     |  8 +-------
 drivers/net/igbvf/netdev.c     |  8 +-------
 drivers/net/ipg.c              |  7 +------
 drivers/net/ixgb/ixgb_main.c   | 12 ++---------
 drivers/net/ixgbe/ixgbe_main.c | 12 ++---------
 drivers/net/ixp2000/ixpdev.c   |  3 +--
 drivers/net/korina.c           |  5 +----
 drivers/net/ks8842.c           |  5 +----
 drivers/net/lib82596.c         | 11 +++++-----
 drivers/net/r8169.c            |  3 +--
 drivers/net/sc92031.c          |  4 +---
 drivers/net/sgiseeq.c          |  7 +++----
 drivers/net/sis190.c           |  3 +--
 drivers/net/skge.c             |  7 +++----
 drivers/net/sky2.c             |  3 +--
 drivers/net/tlan.c             |  7 +++----
 drivers/net/tsi108_eth.c       | 10 +++------
 drivers/net/via-rhine.c        |  8 ++++----
 drivers/net/via-velocity.c     |  3 +--
 drivers/net/virtio_net.c       |  7 ++-----
 net/core/dev.c                 | 13 +++---------
 38 files changed, 90 insertions(+), 232 deletions(-)

diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c
index 975e25b19eb..32031eaf491 100644
--- a/drivers/net/3c59x.c
+++ b/drivers/net/3c59x.c
@@ -2560,7 +2560,7 @@ boomerang_rx(struct net_device *dev)
 		struct sk_buff *skb;
 		entry = vp->dirty_rx % RX_RING_SIZE;
 		if (vp->rx_skbuff[entry] == NULL) {
-			skb = netdev_alloc_skb(dev, PKT_BUF_SZ + NET_IP_ALIGN);
+			skb = netdev_alloc_skb_ip_align(dev, PKT_BUF_SZ);
 			if (skb == NULL) {
 				static unsigned long last_jif;
 				if (time_after(jiffies, last_jif + 10 * HZ)) {
@@ -2572,7 +2572,6 @@ boomerang_rx(struct net_device *dev)
 				break;			/* Bad news!  */
 			}
 
-			skb_reserve(skb, NET_IP_ALIGN);
 			vp->rx_ring[entry].addr = cpu_to_le32(pci_map_single(VORTEX_PCI(vp), skb->data, PKT_BUF_SZ, PCI_DMA_FROMDEVICE));
 			vp->rx_skbuff[entry] = skb;
 		}
diff --git a/drivers/net/8139cp.c b/drivers/net/8139cp.c
index 83a1922e68e..ab451bb8995 100644
--- a/drivers/net/8139cp.c
+++ b/drivers/net/8139cp.c
@@ -549,14 +549,12 @@ rx_status_loop:
 			pr_debug("%s: rx slot %d status 0x%x len %d\n",
 			       dev->name, rx_tail, status, len);
 
-		new_skb = netdev_alloc_skb(dev, buflen + NET_IP_ALIGN);
+		new_skb = netdev_alloc_skb_ip_align(dev, buflen);
 		if (!new_skb) {
 			dev->stats.rx_dropped++;
 			goto rx_next;
 		}
 
-		skb_reserve(new_skb, NET_IP_ALIGN);
-
 		dma_unmap_single(&cp->pdev->dev, mapping,
 				 buflen, PCI_DMA_FROMDEVICE);
 
@@ -1057,12 +1055,10 @@ static int cp_refill_rx(struct cp_private *cp)
 		struct sk_buff *skb;
 		dma_addr_t mapping;
 
-		skb = netdev_alloc_skb(dev, cp->rx_buf_sz + NET_IP_ALIGN);
+		skb = netdev_alloc_skb_ip_align(dev, cp->rx_buf_sz);
 		if (!skb)
 			goto err_out;
 
-		skb_reserve(skb, NET_IP_ALIGN);
-
 		mapping = dma_map_single(&cp->pdev->dev, skb->data,
 					 cp->rx_buf_sz, PCI_DMA_FROMDEVICE);
 		cp->rx_skb[i] = skb;
diff --git a/drivers/net/8139too.c b/drivers/net/8139too.c
index 4a362875502..7e333f73b22 100644
--- a/drivers/net/8139too.c
+++ b/drivers/net/8139too.c
@@ -2004,9 +2004,8 @@ no_early_rx:
 		/* Malloc up new buffer, compatible with net-2e. */
 		/* Omit the four octet CRC from the length. */
 
-		skb = netdev_alloc_skb(dev, pkt_size + NET_IP_ALIGN);
+		skb = netdev_alloc_skb_ip_align(dev, pkt_size);
 		if (likely(skb)) {
-			skb_reserve (skb, NET_IP_ALIGN);	/* 16 byte align the IP fields. */
 #if RX_BUF_IDX == 3
 			wrap_copy(skb, rx_ring, ring_offset+4, pkt_size);
 #else
diff --git a/drivers/net/atl1e/atl1e_main.c b/drivers/net/atl1e/atl1e_main.c
index 955da733c2a..8b889ab544b 100644
--- a/drivers/net/atl1e/atl1e_main.c
+++ b/drivers/net/atl1e/atl1e_main.c
@@ -1433,14 +1433,12 @@ static void atl1e_clean_rx_irq(struct atl1e_adapter *adapter, u8 que,
 
 			packet_size = ((prrs->word1 >> RRS_PKT_SIZE_SHIFT) &
 					RRS_PKT_SIZE_MASK) - 4; /* CRC */
-			skb = netdev_alloc_skb(netdev,
-					       packet_size + NET_IP_ALIGN);
+			skb = netdev_alloc_skb_ip_align(netdev, packet_size);
 			if (skb == NULL) {
 				dev_warn(&pdev->dev, "%s: Memory squeeze,"
 					"deferring packet.\n", netdev->name);
 				goto skip_pkt;
 			}
-			skb_reserve(skb, NET_IP_ALIGN);
 			skb->dev = netdev;
 			memcpy(skb->data, (u8 *)(prrs + 1), packet_size);
 			skb_put(skb, packet_size);
diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c
index 00569dc1313..963df502260 100644
--- a/drivers/net/atlx/atl1.c
+++ b/drivers/net/atlx/atl1.c
@@ -1864,21 +1864,14 @@ static u16 atl1_alloc_rx_buffers(struct atl1_adapter *adapter)
 
 		rfd_desc = ATL1_RFD_DESC(rfd_ring, rfd_next_to_use);
 
-		skb = netdev_alloc_skb(adapter->netdev,
-				       adapter->rx_buffer_len + NET_IP_ALIGN);
+		skb = netdev_alloc_skb_ip_align(adapter->netdev,
+						adapter->rx_buffer_len);
 		if (unlikely(!skb)) {
 			/* Better luck next round */
 			adapter->netdev->stats.rx_dropped++;
 			break;
 		}
 
-		/*
-		 * Make buffer alignment 2 beyond a 16 byte boundary
-		 * this will result in a 16 byte aligned IP header after
-		 * the 14 byte MAC header is removed
-		 */
-		skb_reserve(skb, NET_IP_ALIGN);
-
 		buffer_info->alloced = 1;
 		buffer_info->skb = skb;
 		buffer_info->length = (u16) adapter->rx_buffer_len;
diff --git a/drivers/net/atlx/atl2.c b/drivers/net/atlx/atl2.c
index ab688862093..0d268075bad 100644
--- a/drivers/net/atlx/atl2.c
+++ b/drivers/net/atlx/atl2.c
@@ -409,7 +409,7 @@ static void atl2_intr_rx(struct atl2_adapter *adapter)
 		if (rxd->status.ok && rxd->status.pkt_size >= 60) {
 			int rx_size = (int)(rxd->status.pkt_size - 4);
 			/* alloc new buffer */
-			skb = netdev_alloc_skb(netdev, rx_size + NET_IP_ALIGN);
+			skb = netdev_alloc_skb_ip_align(netdev, rx_size);
 			if (NULL == skb) {
 				printk(KERN_WARNING
 					"%s: Mem squeeze, deferring packet.\n",
@@ -421,7 +421,6 @@ static void atl2_intr_rx(struct atl2_adapter *adapter)
 				netdev->stats.rx_dropped++;
 				break;
 			}
-			skb_reserve(skb, NET_IP_ALIGN);
 			skb->dev = netdev;
 			memcpy(skb->data, rxd->packet, rx_size);
 			skb_put(skb, rx_size);
diff --git a/drivers/net/bcm63xx_enet.c b/drivers/net/bcm63xx_enet.c
index ba29dc319b3..1f6c5486d71 100644
--- a/drivers/net/bcm63xx_enet.c
+++ b/drivers/net/bcm63xx_enet.c
@@ -320,16 +320,13 @@ static int bcm_enet_receive_queue(struct net_device *dev, int budget)
 		if (len < copybreak) {
 			struct sk_buff *nskb;
 
-			nskb = netdev_alloc_skb(dev, len + NET_IP_ALIGN);
+			nskb = netdev_alloc_skb_ip_align(dev, len);
 			if (!nskb) {
 				/* forget packet, just rearm desc */
 				priv->stats.rx_dropped++;
 				continue;
 			}
 
-			/* since we're copying the data, we can align
-			 * them properly */
-			skb_reserve(nskb, NET_IP_ALIGN);
 			dma_sync_single_for_cpu(kdev, desc->address,
 						len, DMA_FROM_DEVICE);
 			memcpy(nskb->data, skb->data, len);
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index 0e92a1f055a..e0f9d647718 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -756,7 +756,7 @@ static void be_rx_compl_process(struct be_adapter *adapter,
 	if ((adapter->cap == 0x400) && !vtm)
 		vlanf = 0;
 
-	skb = netdev_alloc_skb(adapter->netdev, BE_HDR_LEN + NET_IP_ALIGN);
+	skb = netdev_alloc_skb_ip_align(adapter->netdev, BE_HDR_LEN);
 	if (!skb) {
 		if (net_ratelimit())
 			dev_warn(&adapter->pdev->dev, "skb alloc failed\n");
@@ -764,8 +764,6 @@ static void be_rx_compl_process(struct be_adapter *adapter,
 		return;
 	}
 
-	skb_reserve(skb, NET_IP_ALIGN);
-
 	skb_fill_rx_data(adapter, skb, rxcp);
 
 	if (do_pkt_csum(rxcp, adapter->rx_csum))
diff --git a/drivers/net/cpmac.c b/drivers/net/cpmac.c
index 61f9da2b494..67822238940 100644
--- a/drivers/net/cpmac.c
+++ b/drivers/net/cpmac.c
@@ -380,9 +380,8 @@ static struct sk_buff *cpmac_rx_one(struct cpmac_priv *priv,
 		return NULL;
 	}
 
-	skb = netdev_alloc_skb(priv->dev, CPMAC_SKB_SIZE);
+	skb = netdev_alloc_skb_ip_align(priv->dev, CPMAC_SKB_SIZE);
 	if (likely(skb)) {
-		skb_reserve(skb, 2);
 		skb_put(desc->skb, desc->datalen);
 		desc->skb->protocol = eth_type_trans(desc->skb, priv->dev);
 		desc->skb->ip_summed = CHECKSUM_NONE;
@@ -991,12 +990,11 @@ static int cpmac_open(struct net_device *dev)
 
 	priv->rx_head = &priv->desc_ring[CPMAC_QUEUES];
 	for (i = 0, desc = priv->rx_head; i < priv->ring_size; i++, desc++) {
-		skb = netdev_alloc_skb(dev, CPMAC_SKB_SIZE);
+		skb = netdev_alloc_skb_ip_align(dev, CPMAC_SKB_SIZE);
 		if (unlikely(!skb)) {
 			res = -ENOMEM;
 			goto fail_desc;
 		}
-		skb_reserve(skb, 2);
 		desc->skb = skb;
 		desc->data_mapping = dma_map_single(&dev->dev, skb->data,
 						    CPMAC_SKB_SIZE,
diff --git a/drivers/net/dl2k.c b/drivers/net/dl2k.c
index 7fa7a907f13..ce8fef184f2 100644
--- a/drivers/net/dl2k.c
+++ b/drivers/net/dl2k.c
@@ -505,7 +505,8 @@ rio_timer (unsigned long data)
 			entry = np->old_rx % RX_RING_SIZE;
 			/* Dropped packets don't need to re-allocate */
 			if (np->rx_skbuff[entry] == NULL) {
-				skb = netdev_alloc_skb (dev, np->rx_buf_sz);
+				skb = netdev_alloc_skb_ip_align(dev,
+								np->rx_buf_sz);
 				if (skb == NULL) {
 					np->rx_ring[entry].fraginfo = 0;
 					printk (KERN_INFO
@@ -514,8 +515,6 @@ rio_timer (unsigned long data)
 					break;
 				}
 				np->rx_skbuff[entry] = skb;
-				/* 16 byte align the IP header */
-				skb_reserve (skb, 2);
 				np->rx_ring[entry].fraginfo =
 				    cpu_to_le64 (pci_map_single
 					 (np->pdev, skb->data, np->rx_buf_sz,
@@ -576,7 +575,9 @@ alloc_list (struct net_device *dev)
 	/* Allocate the rx buffers */
 	for (i = 0; i < RX_RING_SIZE; i++) {
 		/* Allocated fixed size of skbuff */
-		struct sk_buff *skb = netdev_alloc_skb (dev, np->rx_buf_sz);
+		struct sk_buff *skb;
+
+		skb = netdev_alloc_skb_ip_align(dev, np->rx_buf_sz);
 		np->rx_skbuff[i] = skb;
 		if (skb == NULL) {
 			printk (KERN_ERR
@@ -584,7 +585,6 @@ alloc_list (struct net_device *dev)
 				dev->name);
 			break;
 		}
-		skb_reserve (skb, 2);	/* 16 byte align the IP header. */
 		/* Rubicon now supports 40 bits of addressing space. */
 		np->rx_ring[i].fraginfo =
 		    cpu_to_le64 ( pci_map_single (
@@ -871,13 +871,11 @@ receive_packet (struct net_device *dev)
 						  PCI_DMA_FROMDEVICE);
 				skb_put (skb = np->rx_skbuff[entry], pkt_len);
 				np->rx_skbuff[entry] = NULL;
-			} else if ((skb = netdev_alloc_skb(dev, pkt_len + 2))) {
+			} else if ((skb = netdev_alloc_skb_ip_align(dev, pkt_len))) {
 				pci_dma_sync_single_for_cpu(np->pdev,
 							    desc_to_dma(desc),
 							    np->rx_buf_sz,
 							    PCI_DMA_FROMDEVICE);
-				/* 16 byte align the IP header */
-				skb_reserve (skb, 2);
 				skb_copy_to_linear_data (skb,
 						  np->rx_skbuff[entry]->data,
 						  pkt_len);
@@ -907,7 +905,7 @@ receive_packet (struct net_device *dev)
 		struct sk_buff *skb;
 		/* Dropped packets don't need to re-allocate */
 		if (np->rx_skbuff[entry] == NULL) {
-			skb = netdev_alloc_skb(dev, np->rx_buf_sz);
+			skb = netdev_alloc_skb_ip_align(dev, np->rx_buf_sz);
 			if (skb == NULL) {
 				np->rx_ring[entry].fraginfo = 0;
 				printk (KERN_INFO
@@ -917,8 +915,6 @@ receive_packet (struct net_device *dev)
 				break;
 			}
 			np->rx_skbuff[entry] = skb;
-			/* 16 byte align the IP header */
-			skb_reserve (skb, 2);
 			np->rx_ring[entry].fraginfo =
 			    cpu_to_le64 (pci_map_single
 					 (np->pdev, skb->data, np->rx_buf_sz,
diff --git a/drivers/net/e100.c b/drivers/net/e100.c
index 679965c2bb8..ff83efd47b0 100644
--- a/drivers/net/e100.c
+++ b/drivers/net/e100.c
@@ -1839,11 +1839,10 @@ static inline void e100_start_receiver(struct nic *nic, struct rx *rx)
 #define RFD_BUF_LEN (sizeof(struct rfd) + VLAN_ETH_FRAME_LEN)
 static int e100_rx_alloc_skb(struct nic *nic, struct rx *rx)
 {
-	if (!(rx->skb = netdev_alloc_skb(nic->netdev, RFD_BUF_LEN + NET_IP_ALIGN)))
+	if (!(rx->skb = netdev_alloc_skb_ip_align(nic->netdev, RFD_BUF_LEN)))
 		return -ENOMEM;
 
-	/* Align, init, and map the RFD. */
-	skb_reserve(rx->skb, NET_IP_ALIGN);
+	/* Init, and map the RFD. */
 	skb_copy_to_linear_data(rx->skb, &nic->blank_rfd, sizeof(struct rfd));
 	rx->dma_addr = pci_map_single(nic->pdev, rx->skb->data,
 		RFD_BUF_LEN, PCI_DMA_BIDIRECTIONAL);
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 6a614148297..c938114a34a 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -3866,9 +3866,8 @@ static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
 		 * of reassembly being done in the stack */
 		if (length < copybreak) {
 			struct sk_buff *new_skb =
-			    netdev_alloc_skb(netdev, length + NET_IP_ALIGN);
+			    netdev_alloc_skb_ip_align(netdev, length);
 			if (new_skb) {
-				skb_reserve(new_skb, NET_IP_ALIGN);
 				skb_copy_to_linear_data_offset(new_skb,
 							       -NET_IP_ALIGN,
 							       (skb->data -
@@ -3937,9 +3936,7 @@ e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
 	struct e1000_buffer *buffer_info;
 	struct sk_buff *skb;
 	unsigned int i;
-	unsigned int bufsz = 256 -
-	                     16 /*for skb_reserve */ -
-	                     NET_IP_ALIGN;
+	unsigned int bufsz = 256 - 16 /*for skb_reserve */ ;
 
 	i = rx_ring->next_to_use;
 	buffer_info = &rx_ring->buffer_info[i];
@@ -3951,7 +3948,7 @@ e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
 			goto check_page;
 		}
 
-		skb = netdev_alloc_skb(netdev, bufsz);
+		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
 		if (unlikely(!skb)) {
 			/* Better luck next round */
 			adapter->alloc_rx_buff_failed++;
@@ -3964,7 +3961,7 @@ e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
 			DPRINTK(PROBE, ERR, "skb align check failed: %u bytes "
 					     "at %p\n", bufsz, skb->data);
 			/* Try again, without freeing the previous */
-			skb = netdev_alloc_skb(netdev, bufsz);
+			skb = netdev_alloc_skb_ip_align(netdev, bufsz);
 			/* Failed allocation, critical failure */
 			if (!skb) {
 				dev_kfree_skb(oldskb);
@@ -3982,12 +3979,6 @@ e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
 			/* Use new allocation */
 			dev_kfree_skb(oldskb);
 		}
-		/* Make buffer alignment 2 beyond a 16 byte boundary
-		 * this will result in a 16 byte aligned IP header after
-		 * the 14 byte MAC header is removed
-		 */
-		skb_reserve(skb, NET_IP_ALIGN);
-
 		buffer_info->skb = skb;
 		buffer_info->length = adapter->rx_buffer_len;
 check_page:
@@ -4044,7 +4035,7 @@ static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
 	struct e1000_buffer *buffer_info;
 	struct sk_buff *skb;
 	unsigned int i;
-	unsigned int bufsz = adapter->rx_buffer_len + NET_IP_ALIGN;
+	unsigned int bufsz = adapter->rx_buffer_len;
 
 	i = rx_ring->next_to_use;
 	buffer_info = &rx_ring->buffer_info[i];
@@ -4056,7 +4047,7 @@ static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
 			goto map_skb;
 		}
 
-		skb = netdev_alloc_skb(netdev, bufsz);
+		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
 		if (unlikely(!skb)) {
 			/* Better luck next round */
 			adapter->alloc_rx_buff_failed++;
@@ -4069,7 +4060,7 @@ static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
 			DPRINTK(RX_ERR, ERR, "skb align check failed: %u bytes "
 					     "at %p\n", bufsz, skb->data);
 			/* Try again, without freeing the previous */
-			skb = netdev_alloc_skb(netdev, bufsz);
+			skb = netdev_alloc_skb_ip_align(netdev, bufsz);
 			/* Failed allocation, critical failure */
 			if (!skb) {
 				dev_kfree_skb(oldskb);
@@ -4088,12 +4079,6 @@ static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
 			/* Use new allocation */
 			dev_kfree_skb(oldskb);
 		}
-		/* Make buffer alignment 2 beyond a 16 byte boundary
-		 * this will result in a 16 byte aligned IP header after
-		 * the 14 byte MAC header is removed
-		 */
-		skb_reserve(skb, NET_IP_ALIGN);
-
 		buffer_info->skb = skb;
 		buffer_info->length = adapter->rx_buffer_len;
 map_skb:
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 21af3984e5c..376924804f3 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -167,7 +167,7 @@ static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
 	struct e1000_buffer *buffer_info;
 	struct sk_buff *skb;
 	unsigned int i;
-	unsigned int bufsz = adapter->rx_buffer_len + NET_IP_ALIGN;
+	unsigned int bufsz = adapter->rx_buffer_len;
 
 	i = rx_ring->next_to_use;
 	buffer_info = &rx_ring->buffer_info[i];
@@ -179,20 +179,13 @@ static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
 			goto map_skb;
 		}
 
-		skb = netdev_alloc_skb(netdev, bufsz);
+		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
 		if (!skb) {
 			/* Better luck next round */
 			adapter->alloc_rx_buff_failed++;
 			break;
 		}
 
-		/*
-		 * Make buffer alignment 2 beyond a 16 byte boundary
-		 * this will result in a 16 byte aligned IP header after
-		 * the 14 byte MAC header is removed
-		 */
-		skb_reserve(skb, NET_IP_ALIGN);
-
 		buffer_info->skb = skb;
 map_skb:
 		buffer_info->dma = pci_map_single(pdev, skb->data,
@@ -284,21 +277,14 @@ static void e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter,
 			     cpu_to_le64(ps_page->dma);
 		}
 
-		skb = netdev_alloc_skb(netdev,
-				       adapter->rx_ps_bsize0 + NET_IP_ALIGN);
+		skb = netdev_alloc_skb_ip_align(netdev,
+						adapter->rx_ps_bsize0);
 
 		if (!skb) {
 			adapter->alloc_rx_buff_failed++;
 			break;
 		}
 
-		/*
-		 * Make buffer alignment 2 beyond a 16 byte boundary
-		 * this will result in a 16 byte aligned IP header after
-		 * the 14 byte MAC header is removed
-		 */
-		skb_reserve(skb, NET_IP_ALIGN);
-
 		buffer_info->skb = skb;
 		buffer_info->dma = pci_map_single(pdev, skb->data,
 						  adapter->rx_ps_bsize0,
@@ -359,9 +345,7 @@ static void e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
 	struct e1000_buffer *buffer_info;
 	struct sk_buff *skb;
 	unsigned int i;
-	unsigned int bufsz = 256 -
-	                     16 /* for skb_reserve */ -
-	                     NET_IP_ALIGN;
+	unsigned int bufsz = 256 - 16 /* for skb_reserve */;
 
 	i = rx_ring->next_to_use;
 	buffer_info = &rx_ring->buffer_info[i];
@@ -373,19 +357,13 @@ static void e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
 			goto check_page;
 		}
 
-		skb = netdev_alloc_skb(netdev, bufsz);
+		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
 		if (unlikely(!skb)) {
 			/* Better luck next round */
 			adapter->alloc_rx_buff_failed++;
 			break;
 		}
 
-		/* Make buffer alignment 2 beyond a 16 byte boundary
-		 * this will result in a 16 byte aligned IP header after
-		 * the 14 byte MAC header is removed
-		 */
-		skb_reserve(skb, NET_IP_ALIGN);
-
 		buffer_info->skb = skb;
 check_page:
 		/* allocate a new page if necessary */
@@ -513,9 +491,8 @@ static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
 		 */
 		if (length < copybreak) {
 			struct sk_buff *new_skb =
-			    netdev_alloc_skb(netdev, length + NET_IP_ALIGN);
+			    netdev_alloc_skb_ip_align(netdev, length);
 			if (new_skb) {
-				skb_reserve(new_skb, NET_IP_ALIGN);
 				skb_copy_to_linear_data_offset(new_skb,
 							       -NET_IP_ALIGN,
 							       (skb->data -
diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
index 41bd7aeafd8..7f8fcc2fa74 100644
--- a/drivers/net/ehea/ehea_main.c
+++ b/drivers/net/ehea/ehea_main.c
@@ -447,7 +447,9 @@ static int ehea_refill_rq_def(struct ehea_port_res *pr,
 	max_index_mask = q_skba->len - 1;
 	for (i = 0; i < fill_wqes; i++) {
 		u64 tmp_addr;
-		struct sk_buff *skb = netdev_alloc_skb(dev, packet_size);
+		struct sk_buff *skb;
+
+		skb = netdev_alloc_skb_ip_align(dev, packet_size);
 		if (!skb) {
 			q_skba->os_skbs = fill_wqes - i;
 			if (q_skba->os_skbs == q_skba->len - 2) {
@@ -457,7 +459,6 @@ static int ehea_refill_rq_def(struct ehea_port_res *pr,
 			}
 			break;
 		}
-		skb_reserve(skb, NET_IP_ALIGN);
 
 		skb_arr[index] = skb;
 		tmp_addr = ehea_map_vaddr(skb->data);
@@ -500,7 +501,7 @@ static int ehea_refill_rq2(struct ehea_port_res *pr, int nr_of_wqes)
 {
 	return ehea_refill_rq_def(pr, &pr->rq2_skba, 2,
 				  nr_of_wqes, EHEA_RWQE2_TYPE,
-				  EHEA_RQ2_PKT_SIZE + NET_IP_ALIGN);
+				  EHEA_RQ2_PKT_SIZE);
 }
 
 
@@ -508,7 +509,7 @@ static int ehea_refill_rq3(struct ehea_port_res *pr, int nr_of_wqes)
 {
 	return ehea_refill_rq_def(pr, &pr->rq3_skba, 3,
 				  nr_of_wqes, EHEA_RWQE3_TYPE,
-				  EHEA_MAX_PACKET_SIZE + NET_IP_ALIGN);
+				  EHEA_MAX_PACKET_SIZE);
 }
 
 static inline int ehea_check_cqe(struct ehea_cqe *cqe, int *rq_num)
diff --git a/drivers/net/enic/enic_main.c b/drivers/net/enic/enic_main.c
index d69d52ed772..f875751af15 100644
--- a/drivers/net/enic/enic_main.c
+++ b/drivers/net/enic/enic_main.c
@@ -870,19 +870,6 @@ static void enic_free_rq_buf(struct vnic_rq *rq, struct vnic_rq_buf *buf)
 	dev_kfree_skb_any(buf->os_buf);
 }
 
-static inline struct sk_buff *enic_rq_alloc_skb(struct net_device *netdev,
-	unsigned int size)
-{
-	struct sk_buff *skb;
-
-	skb = netdev_alloc_skb(netdev, size + NET_IP_ALIGN);
-
-	if (skb)
-		skb_reserve(skb, NET_IP_ALIGN);
-
-	return skb;
-}
-
 static int enic_rq_alloc_buf(struct vnic_rq *rq)
 {
 	struct enic *enic = vnic_dev_priv(rq->vdev);
@@ -892,7 +879,7 @@ static int enic_rq_alloc_buf(struct vnic_rq *rq)
 	unsigned int os_buf_index = 0;
 	dma_addr_t dma_addr;
 
-	skb = enic_rq_alloc_skb(netdev, len);
+	skb = netdev_alloc_skb_ip_align(netdev, len);
 	if (!skb)
 		return -ENOMEM;
 
diff --git a/drivers/net/ethoc.c b/drivers/net/ethoc.c
index 34d0c69e67f..0c229a5fa82 100644
--- a/drivers/net/ethoc.c
+++ b/drivers/net/ethoc.c
@@ -404,10 +404,10 @@ static int ethoc_rx(struct net_device *dev, int limit)
 
 		if (ethoc_update_rx_stats(priv, &bd) == 0) {
 			int size = bd.stat >> 16;
-			struct sk_buff *skb = netdev_alloc_skb(dev, size);
+			struct sk_buff *skb;
 
 			size -= 4; /* strip the CRC */
-			skb_reserve(skb, 2); /* align TCP/IP header */
+			skb = netdev_alloc_skb_ip_align(dev, size);
 
 			if (likely(skb)) {
 				void *src = phys_to_virt(bd.addr);
diff --git a/drivers/net/hamachi.c b/drivers/net/hamachi.c
index 1d5064a09ac..18bd9fe20d7 100644
--- a/drivers/net/hamachi.c
+++ b/drivers/net/hamachi.c
@@ -406,10 +406,9 @@ that case.
 /* A few values that may be tweaked. */
 /* Size of each temporary Rx buffer, calculated as:
  * 1518 bytes (ethernet packet) + 2 bytes (to get 8 byte alignment for
- * the card) + 8 bytes of status info + 8 bytes for the Rx Checksum +
- * 2 more because we use skb_reserve.
+ * the card) + 8 bytes of status info + 8 bytes for the Rx Checksum
  */
-#define PKT_BUF_SZ		1538
+#define PKT_BUF_SZ		1536
 
 /* For now, this is going to be set to the maximum size of an ethernet
  * packet.  Eventually, we may want to make it a variable that is
@@ -1151,12 +1150,13 @@ static void hamachi_tx_timeout(struct net_device *dev)
 	}
 	/* Fill in the Rx buffers.  Handle allocation failure gracefully. */
 	for (i = 0; i < RX_RING_SIZE; i++) {
-		struct sk_buff *skb = netdev_alloc_skb(dev, hmp->rx_buf_sz);
+		struct sk_buff *skb;
+
+		skb = netdev_alloc_skb_ip_align(dev, hmp->rx_buf_sz);
 		hmp->rx_skbuff[i] = skb;
 		if (skb == NULL)
 			break;
 
-		skb_reserve(skb, 2); /* 16 byte align the IP header. */
                 hmp->rx_ring[i].addr = cpu_to_leXX(pci_map_single(hmp->pci_dev,
 			skb->data, hmp->rx_buf_sz, PCI_DMA_FROMDEVICE));
 		hmp->rx_ring[i].status_n_length = cpu_to_le32(DescOwn |
@@ -1195,7 +1195,7 @@ static void hamachi_init_ring(struct net_device *dev)
 	 * card.  -KDU
 	 */
 	hmp->rx_buf_sz = (dev->mtu <= 1492 ? PKT_BUF_SZ :
-		(((dev->mtu+26+7) & ~7) + 2 + 16));
+		(((dev->mtu+26+7) & ~7) + 16));
 
 	/* Initialize all Rx descriptors. */
 	for (i = 0; i < RX_RING_SIZE; i++) {
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 428d5047535..2ffe0997b83 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -4934,18 +4934,12 @@ static void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring,
 		}
 
 		if (!buffer_info->skb) {
-			skb = netdev_alloc_skb(netdev, bufsz + NET_IP_ALIGN);
+			skb = netdev_alloc_skb_ip_align(netdev, bufsz);
 			if (!skb) {
 				adapter->alloc_rx_buff_failed++;
 				goto no_buffers;
 			}
 
-			/* Make buffer alignment 2 beyond a 16 byte boundary
-			 * this will result in a 16 byte aligned IP header after
-			 * the 14 byte MAC header is removed
-			 */
-			skb_reserve(skb, NET_IP_ALIGN);
-
 			buffer_info->skb = skb;
 			buffer_info->dma = pci_map_single(pdev, skb->data,
 							  bufsz,
diff --git a/drivers/net/igbvf/netdev.c b/drivers/net/igbvf/netdev.c
index 91024a3cdad..fad7f348dd1 100644
--- a/drivers/net/igbvf/netdev.c
+++ b/drivers/net/igbvf/netdev.c
@@ -170,18 +170,12 @@ static void igbvf_alloc_rx_buffers(struct igbvf_ring *rx_ring,
 		}
 
 		if (!buffer_info->skb) {
-			skb = netdev_alloc_skb(netdev, bufsz + NET_IP_ALIGN);
+			skb = netdev_alloc_skb_ip_align(netdev, bufsz);
 			if (!skb) {
 				adapter->alloc_rx_buff_failed++;
 				goto no_buffers;
 			}
 
-			/* Make buffer alignment 2 beyond a 16 byte boundary
-			 * this will result in a 16 byte aligned IP header after
-			 * the 14 byte MAC header is removed
-			 */
-			skb_reserve(skb, NET_IP_ALIGN);
-
 			buffer_info->skb = skb;
 			buffer_info->dma = pci_map_single(pdev, skb->data,
 			                                  bufsz,
diff --git a/drivers/net/ipg.c b/drivers/net/ipg.c
index 9f7b5d4172b..63056e7b9e2 100644
--- a/drivers/net/ipg.c
+++ b/drivers/net/ipg.c
@@ -738,17 +738,12 @@ static int ipg_get_rxbuff(struct net_device *dev, int entry)
 
 	IPG_DEBUG_MSG("_get_rxbuff\n");
 
-	skb = netdev_alloc_skb(dev, sp->rxsupport_size + NET_IP_ALIGN);
+	skb = netdev_alloc_skb_ip_align(dev, sp->rxsupport_size);
 	if (!skb) {
 		sp->rx_buff[entry] = NULL;
 		return -ENOMEM;
 	}
 
-	/* Adjust the data start location within the buffer to
-	 * align IP address field to a 16 byte boundary.
-	 */
-	skb_reserve(skb, NET_IP_ALIGN);
-
 	/* Associate the receive buffer with the IPG NIC. */
 	skb->dev = dev;
 
diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c
index f9f633c134b..1bd0ca1b046 100644
--- a/drivers/net/ixgb/ixgb_main.c
+++ b/drivers/net/ixgb/ixgb_main.c
@@ -1972,9 +1972,8 @@ ixgb_clean_rx_irq(struct ixgb_adapter *adapter, int *work_done, int work_to_do)
 		 * of reassembly being done in the stack */
 		if (length < copybreak) {
 			struct sk_buff *new_skb =
-			    netdev_alloc_skb(netdev, length + NET_IP_ALIGN);
+			    netdev_alloc_skb_ip_align(netdev, length);
 			if (new_skb) {
-				skb_reserve(new_skb, NET_IP_ALIGN);
 				skb_copy_to_linear_data_offset(new_skb,
 							       -NET_IP_ALIGN,
 							       (skb->data -
@@ -2057,20 +2056,13 @@ ixgb_alloc_rx_buffers(struct ixgb_adapter *adapter, int cleaned_count)
 			goto map_skb;
 		}
 
-		skb = netdev_alloc_skb(netdev, adapter->rx_buffer_len
-			               + NET_IP_ALIGN);
+		skb = netdev_alloc_skb_ip_align(netdev, adapter->rx_buffer_len);
 		if (unlikely(!skb)) {
 			/* Better luck next round */
 			adapter->alloc_rx_buff_failed++;
 			break;
 		}
 
-		/* Make buffer alignment 2 beyond a 16 byte boundary
-		 * this will result in a 16 byte aligned IP header after
-		 * the 14 byte MAC header is removed
-		 */
-		skb_reserve(skb, NET_IP_ALIGN);
-
 		buffer_info->skb = skb;
 		buffer_info->length = adapter->rx_buffer_len;
 map_skb:
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index eb3abd79e4e..4c8a4491970 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -616,22 +616,14 @@ static void ixgbe_alloc_rx_buffers(struct ixgbe_adapter *adapter,
 
 		if (!bi->skb) {
 			struct sk_buff *skb;
-			skb = netdev_alloc_skb(adapter->netdev,
-			                       (rx_ring->rx_buf_len +
-			                        NET_IP_ALIGN));
+			skb = netdev_alloc_skb_ip_align(adapter->netdev,
+							rx_ring->rx_buf_len);
 
 			if (!skb) {
 				adapter->alloc_rx_buff_failed++;
 				goto no_buffers;
 			}
 
-			/*
-			 * Make buffer alignment 2 beyond a 16 byte boundary
-			 * this will result in a 16 byte aligned IP header after
-			 * the 14 byte MAC header is removed
-			 */
-			skb_reserve(skb, NET_IP_ALIGN);
-
 			bi->skb = skb;
 			bi->dma = pci_map_single(pdev, skb->data,
 			                         rx_ring->rx_buf_len,
diff --git a/drivers/net/ixp2000/ixpdev.c b/drivers/net/ixp2000/ixpdev.c
index 127243461a5..6baf3c94b3e 100644
--- a/drivers/net/ixp2000/ixpdev.c
+++ b/drivers/net/ixp2000/ixpdev.c
@@ -108,9 +108,8 @@ static int ixpdev_rx(struct net_device *dev, int processed, int budget)
 		if (unlikely(!netif_running(nds[desc->channel])))
 			goto err;
 
-		skb = netdev_alloc_skb(dev, desc->pkt_length + 2);
+		skb = netdev_alloc_skb_ip_align(dev, desc->pkt_length);
 		if (likely(skb != NULL)) {
-			skb_reserve(skb, 2);
 			skb_copy_to_linear_data(skb, buf, desc->pkt_length);
 			skb_put(skb, desc->pkt_length);
 			skb->protocol = eth_type_trans(skb, nds[desc->channel]);
diff --git a/drivers/net/korina.c b/drivers/net/korina.c
index 03199fa1000..a07a5972b57 100644
--- a/drivers/net/korina.c
+++ b/drivers/net/korina.c
@@ -400,7 +400,7 @@ static int korina_rx(struct net_device *dev, int limit)
 			dma_cache_inv((unsigned long)pkt_buf, pkt_len - 4);
 
 			/* Malloc up new buffer. */
-			skb_new = netdev_alloc_skb(dev, KORINA_RBSIZE + 2);
+			skb_new = netdev_alloc_skb_ip_align(dev, KORINA_RBSIZE);
 
 			if (!skb_new)
 				break;
@@ -417,9 +417,6 @@ static int korina_rx(struct net_device *dev, int limit)
 			if (devcs & ETH_RX_MP)
 				dev->stats.multicast++;
 
-			/* 16 bit align */
-			skb_reserve(skb_new, 2);
-
 			lp->rx_skb[lp->rx_next_done] = skb_new;
 		}
 
diff --git a/drivers/net/ks8842.c b/drivers/net/ks8842.c
index 99e954167fa..5c45cb58d02 100644
--- a/drivers/net/ks8842.c
+++ b/drivers/net/ks8842.c
@@ -357,7 +357,7 @@ static void ks8842_rx_frame(struct net_device *netdev,
 
 	/* check the status */
 	if ((status & RXSR_VALID) && !(status & RXSR_ERROR)) {
-		struct sk_buff *skb = netdev_alloc_skb(netdev, len + 2);
+		struct sk_buff *skb = netdev_alloc_skb_ip_align(netdev, len);
 
 		dev_dbg(&adapter->pdev->dev, "%s, got package, len: %d\n",
 			__func__, len);
@@ -369,9 +369,6 @@ static void ks8842_rx_frame(struct net_device *netdev,
 			if (status & RXSR_MULTICAST)
 				netdev->stats.multicast++;
 
-			/* Align socket buffer in 4-byte boundary for
-				 better performance. */
-			skb_reserve(skb, 2);
 			data = (u32 *)skb_put(skb, len);
 
 			ks8842_select_bank(adapter, 17);
diff --git a/drivers/net/lib82596.c b/drivers/net/lib82596.c
index 51e11c3e53e..5b24c67de25 100644
--- a/drivers/net/lib82596.c
+++ b/drivers/net/lib82596.c
@@ -470,11 +470,11 @@ static inline int init_rx_bufs(struct net_device *dev)
 
 	for (i = 0, rbd = dma->rbds; i < rx_ring_size; i++, rbd++) {
 		dma_addr_t dma_addr;
-		struct sk_buff *skb = netdev_alloc_skb(dev, PKT_BUF_SZ + 4);
+		struct sk_buff *skb;
 
+		skb = netdev_alloc_skb_ip_align(dev, PKT_BUF_SZ);
 		if (skb == NULL)
 			return -1;
-		skb_reserve(skb, 2);
 		dma_addr = dma_map_single(dev->dev.parent, skb->data,
 					  PKT_BUF_SZ, DMA_FROM_DEVICE);
 		rbd->v_next = rbd+1;
@@ -697,12 +697,12 @@ static inline int i596_rx(struct net_device *dev)
 						 (dma_addr_t)SWAP32(rbd->b_data),
 						 PKT_BUF_SZ, DMA_FROM_DEVICE);
 				/* Get fresh skbuff to replace filled one. */
-				newskb = netdev_alloc_skb(dev, PKT_BUF_SZ + 4);
+				newskb = netdev_alloc_skb_ip_align(dev,
+								   PKT_BUF_SZ);
 				if (newskb == NULL) {
 					skb = NULL;	/* drop pkt */
 					goto memory_squeeze;
 				}
-				skb_reserve(newskb, 2);
 
 				/* Pass up the skb already on the Rx ring. */
 				skb_put(skb, pkt_len);
@@ -716,7 +716,7 @@ static inline int i596_rx(struct net_device *dev)
 				rbd->b_data = SWAP32(dma_addr);
 				DMA_WBACK_INV(dev, rbd, sizeof(struct i596_rbd));
 			} else
-				skb = netdev_alloc_skb(dev, pkt_len + 2);
+				skb = netdev_alloc_skb_ip_align(dev, pkt_len);
 memory_squeeze:
 			if (skb == NULL) {
 				/* XXX tulip.c can defer packets here!! */
@@ -730,7 +730,6 @@ memory_squeeze:
 					dma_sync_single_for_cpu(dev->dev.parent,
 								(dma_addr_t)SWAP32(rbd->b_data),
 								PKT_BUF_SZ, DMA_FROM_DEVICE);
-					skb_reserve(skb, 2);
 					memcpy(skb_put(skb, pkt_len), rbd->v_data, pkt_len);
 					dma_sync_single_for_device(dev->dev.parent,
 								   (dma_addr_t)SWAP32(rbd->b_data),
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 50c6a3cfe43..97b170448ce 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -3555,13 +3555,12 @@ static inline bool rtl8169_try_rx_copy(struct sk_buff **sk_buff,
 	if (pkt_size >= rx_copybreak)
 		goto out;
 
-	skb = netdev_alloc_skb(tp->dev, pkt_size + NET_IP_ALIGN);
+	skb = netdev_alloc_skb_ip_align(tp->dev, pkt_size);
 	if (!skb)
 		goto out;
 
 	pci_dma_sync_single_for_cpu(tp->pci_dev, addr, pkt_size,
 				    PCI_DMA_FROMDEVICE);
-	skb_reserve(skb, NET_IP_ALIGN);
 	skb_copy_from_linear_data(*sk_buff, skb->data, pkt_size);
 	*sk_buff = skb;
 	done = true;
diff --git a/drivers/net/sc92031.c b/drivers/net/sc92031.c
index 8d6030022d1..b7e0eb40a8b 100644
--- a/drivers/net/sc92031.c
+++ b/drivers/net/sc92031.c
@@ -793,7 +793,7 @@ static void _sc92031_rx_tasklet(struct net_device *dev)
 
 		rx_len -= rx_size_align + 4;
 
-		skb = netdev_alloc_skb(dev, pkt_size + NET_IP_ALIGN);
+		skb = netdev_alloc_skb_ip_align(dev, pkt_size);
 		if (unlikely(!skb)) {
 			if (printk_ratelimit())
 				printk(KERN_ERR "%s: Couldn't allocate a skb_buff for a packet of size %u\n",
@@ -801,8 +801,6 @@ static void _sc92031_rx_tasklet(struct net_device *dev)
 			goto next;
 		}
 
-		skb_reserve(skb, NET_IP_ALIGN);
-
 		if ((rx_ring_offset + pkt_size) > RX_BUF_LEN) {
 			memcpy(skb_put(skb, RX_BUF_LEN - rx_ring_offset),
 				rx_ring + rx_ring_offset, RX_BUF_LEN - rx_ring_offset);
diff --git a/drivers/net/sgiseeq.c b/drivers/net/sgiseeq.c
index f4dfd1f679a..6b364a6c6c6 100644
--- a/drivers/net/sgiseeq.c
+++ b/drivers/net/sgiseeq.c
@@ -365,11 +365,10 @@ static inline void sgiseeq_rx(struct net_device *dev, struct sgiseeq_private *sp
 					}
 					skb_reserve(newskb, 2);
 				} else {
-					skb = netdev_alloc_skb(dev, len + 2);
-					if (skb) {
-						skb_reserve(skb, 2);
+					skb = netdev_alloc_skb_ip_align(dev, len);
+					if (skb)
 						skb_copy_to_linear_data(skb, rd->skb->data, len);
-					}
+
 					newskb = rd->skb;
 				}
 memory_squeeze:
diff --git a/drivers/net/sis190.c b/drivers/net/sis190.c
index 7cc9898f4e0..31233b4c44a 100644
--- a/drivers/net/sis190.c
+++ b/drivers/net/sis190.c
@@ -536,13 +536,12 @@ static bool sis190_try_rx_copy(struct sis190_private *tp,
 	if (pkt_size >= rx_copybreak)
 		goto out;
 
-	skb = netdev_alloc_skb(tp->dev, pkt_size + 2);
+	skb = netdev_alloc_skb_ip_align(tp->dev, pkt_size);
 	if (!skb)
 		goto out;
 
 	pci_dma_sync_single_for_cpu(tp->pci_dev, addr, tp->rx_buf_sz,
 				PCI_DMA_FROMDEVICE);
-	skb_reserve(skb, 2);
 	skb_copy_to_linear_data(skb, sk_buff[0]->data, pkt_size);
 	*sk_buff = skb;
 	done = true;
diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index 01f6811f132..be28ebb3811 100644
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -3070,11 +3070,10 @@ static struct sk_buff *skge_rx_get(struct net_device *dev,
 		goto error;
 
 	if (len < RX_COPY_THRESHOLD) {
-		skb = netdev_alloc_skb(dev, len + 2);
+		skb = netdev_alloc_skb_ip_align(dev, len);
 		if (!skb)
 			goto resubmit;
 
-		skb_reserve(skb, 2);
 		pci_dma_sync_single_for_cpu(skge->hw->pdev,
 					    pci_unmap_addr(e, mapaddr),
 					    len, PCI_DMA_FROMDEVICE);
@@ -3085,11 +3084,11 @@ static struct sk_buff *skge_rx_get(struct net_device *dev,
 		skge_rx_reuse(e, skge->rx_buf_size);
 	} else {
 		struct sk_buff *nskb;
-		nskb = netdev_alloc_skb(dev, skge->rx_buf_size + NET_IP_ALIGN);
+
+		nskb = netdev_alloc_skb_ip_align(dev, skge->rx_buf_size);
 		if (!nskb)
 			goto resubmit;
 
-		skb_reserve(nskb, NET_IP_ALIGN);
 		pci_unmap_single(skge->hw->pdev,
 				 pci_unmap_addr(e, mapaddr),
 				 pci_unmap_len(e, maplen),
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 2ab5c39f33c..3a449d012d4 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -2191,9 +2191,8 @@ static struct sk_buff *receive_copy(struct sky2_port *sky2,
 {
 	struct sk_buff *skb;
 
-	skb = netdev_alloc_skb(sky2->netdev, length + 2);
+	skb = netdev_alloc_skb_ip_align(sky2->netdev, length);
 	if (likely(skb)) {
-		skb_reserve(skb, 2);
 		pci_dma_sync_single_for_cpu(sky2->hw->pdev, re->data_addr,
 					    length, PCI_DMA_FROMDEVICE);
 		skb_copy_from_linear_data(re->skb, skb->data, length);
diff --git a/drivers/net/tlan.c b/drivers/net/tlan.c
index 3d31b47332b..16f23f84920 100644
--- a/drivers/net/tlan.c
+++ b/drivers/net/tlan.c
@@ -1549,7 +1549,8 @@ static u32 TLan_HandleRxEOF( struct net_device *dev, u16 host_int )
 		if (tmpCStat & TLAN_CSTAT_EOC)
 			eoc = 1;
 
-		new_skb = netdev_alloc_skb(dev, TLAN_MAX_FRAME_SIZE + 7 );
+		new_skb = netdev_alloc_skb_ip_align(dev,
+						    TLAN_MAX_FRAME_SIZE + 5);
 		if ( !new_skb )
 			goto drop_and_reuse;
 
@@ -1563,7 +1564,6 @@ static u32 TLan_HandleRxEOF( struct net_device *dev, u16 host_int )
 		skb->protocol = eth_type_trans( skb, dev );
 		netif_rx( skb );
 
-		skb_reserve( new_skb, NET_IP_ALIGN );
 		head_list->buffer[0].address = pci_map_single(priv->pciDev,
 							      new_skb->data,
 							      TLAN_MAX_FRAME_SIZE,
@@ -1967,13 +1967,12 @@ static void TLan_ResetLists( struct net_device *dev )
 		list->cStat = TLAN_CSTAT_READY;
 		list->frameSize = TLAN_MAX_FRAME_SIZE;
 		list->buffer[0].count = TLAN_MAX_FRAME_SIZE | TLAN_LAST_BUFFER;
-		skb = netdev_alloc_skb(dev, TLAN_MAX_FRAME_SIZE + 7 );
+		skb = netdev_alloc_skb_ip_align(dev, TLAN_MAX_FRAME_SIZE + 5);
 		if ( !skb ) {
 			pr_err("TLAN: out of memory for received data.\n" );
 			break;
 		}
 
-		skb_reserve( skb, NET_IP_ALIGN );
 		list->buffer[0].address = pci_map_single(priv->pciDev,
 							 skb->data,
 							 TLAN_MAX_FRAME_SIZE,
diff --git a/drivers/net/tsi108_eth.c b/drivers/net/tsi108_eth.c
index 7030bd5e984..a69c4a48bab 100644
--- a/drivers/net/tsi108_eth.c
+++ b/drivers/net/tsi108_eth.c
@@ -802,13 +802,11 @@ static int tsi108_refill_rx(struct net_device *dev, int budget)
 		int rx = data->rxhead;
 		struct sk_buff *skb;
 
-		data->rxskbs[rx] = skb = netdev_alloc_skb(dev,
-							  TSI108_RXBUF_SIZE + 2);
+		skb = netdev_alloc_skb_ip_align(dev, TSI108_RXBUF_SIZE);
+		data->rxskbs[rx] = skb;
 		if (!skb)
 			break;
 
-		skb_reserve(skb, 2); /* Align the data on a 4-byte boundary. */
-
 		data->rxring[rx].buf0 = dma_map_single(NULL, skb->data,
 							TSI108_RX_SKB_SIZE,
 							DMA_FROM_DEVICE);
@@ -1356,7 +1354,7 @@ static int tsi108_open(struct net_device *dev)
 	for (i = 0; i < TSI108_RXRING_LEN; i++) {
 		struct sk_buff *skb;
 
-		skb = netdev_alloc_skb(dev, TSI108_RXBUF_SIZE + NET_IP_ALIGN);
+		skb = netdev_alloc_skb_ip_align(dev, TSI108_RXBUF_SIZE);
 		if (!skb) {
 			/* Bah.  No memory for now, but maybe we'll get
 			 * some more later.
@@ -1370,8 +1368,6 @@ static int tsi108_open(struct net_device *dev)
 		}
 
 		data->rxskbs[i] = skb;
-		/* Align the payload on a 4-byte boundary */
-		skb_reserve(skb, 2);
 		data->rxskbs[i] = skb;
 		data->rxring[i].buf0 = virt_to_phys(data->rxskbs[i]->data);
 		data->rxring[i].misc = TSI108_RX_OWN | TSI108_RX_INT;
diff --git a/drivers/net/via-rhine.c b/drivers/net/via-rhine.c
index 1fd70583be4..4535e89dfff 100644
--- a/drivers/net/via-rhine.c
+++ b/drivers/net/via-rhine.c
@@ -1484,15 +1484,15 @@ static int rhine_rx(struct net_device *dev, int limit)
 				}
 			}
 		} else {
-			struct sk_buff *skb;
+			struct sk_buff *skb = NULL;
 			/* Length should omit the CRC */
 			int pkt_len = data_size - 4;
 
 			/* Check if the packet is long enough to accept without
 			   copying to a minimally-sized skbuff. */
-			if (pkt_len < rx_copybreak &&
-				(skb = netdev_alloc_skb(dev, pkt_len + NET_IP_ALIGN)) != NULL) {
-				skb_reserve(skb, NET_IP_ALIGN);	/* 16 byte align the IP header */
+			if (pkt_len < rx_copybreak)
+				skb = netdev_alloc_skb_ip_align(dev, pkt_len);
+			if (skb) {
 				pci_dma_sync_single_for_cpu(rp->pdev,
 							    rp->rx_skbuff_dma[entry],
 							    rp->rx_buf_sz,
diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index e04e5bee005..144db6395c9 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -1949,10 +1949,9 @@ static int velocity_rx_copy(struct sk_buff **rx_skb, int pkt_size,
 	if (pkt_size < rx_copybreak) {
 		struct sk_buff *new_skb;
 
-		new_skb = netdev_alloc_skb(vptr->dev, pkt_size + 2);
+		new_skb = netdev_alloc_skb_ip_align(vptr->dev, pkt_size);
 		if (new_skb) {
 			new_skb->ip_summed = rx_skb[0]->ip_summed;
-			skb_reserve(new_skb, 2);
 			skb_copy_from_linear_data(*rx_skb, new_skb->data, pkt_size);
 			*rx_skb = new_skb;
 			ret = 0;
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 8d009760277..556512dc607 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -283,13 +283,12 @@ static bool try_fill_recv_maxbufs(struct virtnet_info *vi, gfp_t gfp)
 	do {
 		struct skb_vnet_hdr *hdr;
 
-		skb = netdev_alloc_skb(vi->dev, MAX_PACKET_LEN + NET_IP_ALIGN);
+		skb = netdev_alloc_skb_ip_align(vi->dev, MAX_PACKET_LEN);
 		if (unlikely(!skb)) {
 			oom = true;
 			break;
 		}
 
-		skb_reserve(skb, NET_IP_ALIGN);
 		skb_put(skb, MAX_PACKET_LEN);
 
 		hdr = skb_vnet_hdr(skb);
@@ -344,14 +343,12 @@ static bool try_fill_recv(struct virtnet_info *vi, gfp_t gfp)
 	do {
 		skb_frag_t *f;
 
-		skb = netdev_alloc_skb(vi->dev, GOOD_COPY_LEN + NET_IP_ALIGN);
+		skb = netdev_alloc_skb_ip_align(vi->dev, GOOD_COPY_LEN);
 		if (unlikely(!skb)) {
 			oom = true;
 			break;
 		}
 
-		skb_reserve(skb, NET_IP_ALIGN);
-
 		f = &skb_shinfo(skb)->frags[0];
 		f->page = get_a_page(vi, gfp);
 		if (!f->page) {
diff --git a/net/core/dev.c b/net/core/dev.c
index 510ff205d5d..28b0b9e992a 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2604,20 +2604,13 @@ EXPORT_SYMBOL(napi_reuse_skb);
 
 struct sk_buff *napi_get_frags(struct napi_struct *napi)
 {
-	struct net_device *dev = napi->dev;
 	struct sk_buff *skb = napi->skb;
 
 	if (!skb) {
-		skb = netdev_alloc_skb(dev, GRO_MAX_HEAD + NET_IP_ALIGN);
-		if (!skb)
-			goto out;
-
-		skb_reserve(skb, NET_IP_ALIGN);
-
-		napi->skb = skb;
+		skb = netdev_alloc_skb_ip_align(napi->dev, GRO_MAX_HEAD);
+		if (skb)
+			napi->skb = skb;
 	}
-
-out:
 	return skb;
 }
 EXPORT_SYMBOL(napi_get_frags);
-- 
GitLab


From 1f5e055db369a5d1c74174571585a4ec2e6c40fb Mon Sep 17 00:00:00 2001
From: Amit Kumar Salecha <amit@netxen.com>
Date: Tue, 13 Oct 2009 05:31:41 +0000
Subject: [PATCH 0267/1815] netxen: remove sub 64-bit mem accesses

Sub 64-bit / unaligned access to oncard memory was only used
by old diagnostic tools, causes some intermittent issues when
memory controller agent is used.  The new access method was
added by commit ea6828b8aa3a8ebae8d7740f32f212ba1d2f0742
("netxen: improve pci memory access").  Firmware init anyway
uses 8-byte strides.

This also fixes address/offset calculation for NX2031 context
memory (SIU). For NX3031, SIU uses same register offsets
as packet memory (MIU).

Signed-off-by: Amit Kumar Salecha <amit@netxen.com>
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/netxen/netxen_nic.h      |   4 +-
 drivers/net/netxen/netxen_nic_hdr.h  |  69 +++--
 drivers/net/netxen/netxen_nic_hw.c   | 430 +++++++++------------------
 drivers/net/netxen/netxen_nic_init.c |  13 +-
 4 files changed, 196 insertions(+), 320 deletions(-)

diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index 5c766b52f1d..db5c8d27d5d 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -1180,8 +1180,8 @@ struct netxen_adapter {
 	u32 (*crb_read)(struct netxen_adapter *, ulong);
 	int (*crb_write)(struct netxen_adapter *, ulong, u32);
 
-	int (*pci_mem_read)(struct netxen_adapter *, u64, void *, int);
-	int (*pci_mem_write)(struct netxen_adapter *, u64, void *, int);
+	int (*pci_mem_read)(struct netxen_adapter *, u64, u64 *);
+	int (*pci_mem_write)(struct netxen_adapter *, u64, u64);
 
 	unsigned long (*pci_set_window)(struct netxen_adapter *,
 			unsigned long long);
diff --git a/drivers/net/netxen/netxen_nic_hdr.h b/drivers/net/netxen/netxen_nic_hdr.h
index 7a7177421d7..34613503262 100644
--- a/drivers/net/netxen/netxen_nic_hdr.h
+++ b/drivers/net/netxen/netxen_nic_hdr.h
@@ -661,40 +661,47 @@ enum {
 #define NETXEN_NIU_AP_STATION_ADDR_0(I)    (NETXEN_CRB_NIU+0xa0040+(I)*0x10000)
 #define NETXEN_NIU_AP_STATION_ADDR_1(I)    (NETXEN_CRB_NIU+0xa0044+(I)*0x10000)
 
+
+#define TEST_AGT_CTRL	(0x00)
+
+#define TA_CTL_START	1
+#define TA_CTL_ENABLE	2
+#define TA_CTL_WRITE	4
+#define TA_CTL_BUSY	8
+
 /*
  *   Register offsets for MN
  */
-#define	MIU_CONTROL	       (0x000)
-#define MIU_TEST_AGT_CTRL      (0x090)
-#define MIU_TEST_AGT_ADDR_LO   (0x094)
-#define MIU_TEST_AGT_ADDR_HI   (0x098)
-#define MIU_TEST_AGT_WRDATA_LO (0x0a0)
-#define MIU_TEST_AGT_WRDATA_HI (0x0a4)
-#define MIU_TEST_AGT_WRDATA(i) (0x0a0+(4*(i)))
-#define MIU_TEST_AGT_RDDATA_LO (0x0a8)
-#define MIU_TEST_AGT_RDDATA_HI (0x0ac)
-#define MIU_TEST_AGT_RDDATA(i) (0x0a8+(4*(i)))
-#define MIU_TEST_AGT_ADDR_MASK 0xfffffff8
-#define MIU_TEST_AGT_UPPER_ADDR(off) (0)
-
-/* MIU_TEST_AGT_CTRL flags. work for SIU as well */
-#define MIU_TA_CTL_START        1
-#define MIU_TA_CTL_ENABLE       2
-#define MIU_TA_CTL_WRITE        4
-#define MIU_TA_CTL_BUSY         8
-
-#define SIU_TEST_AGT_CTRL      (0x060)
-#define SIU_TEST_AGT_ADDR_LO   (0x064)
-#define SIU_TEST_AGT_ADDR_HI   (0x078)
-#define SIU_TEST_AGT_WRDATA_LO (0x068)
-#define SIU_TEST_AGT_WRDATA_HI (0x06c)
-#define SIU_TEST_AGT_WRDATA(i) (0x068+(4*(i)))
-#define SIU_TEST_AGT_RDDATA_LO (0x070)
-#define SIU_TEST_AGT_RDDATA_HI (0x074)
-#define SIU_TEST_AGT_RDDATA(i) (0x070+(4*(i)))
-
-#define SIU_TEST_AGT_ADDR_MASK 0x3ffff8
-#define SIU_TEST_AGT_UPPER_ADDR(off) ((off)>>22)
+#define MIU_TEST_AGT_BASE		(0x90)
+
+#define MIU_TEST_AGT_ADDR_LO		(0x04)
+#define MIU_TEST_AGT_ADDR_HI		(0x08)
+#define MIU_TEST_AGT_WRDATA_LO		(0x10)
+#define MIU_TEST_AGT_WRDATA_HI		(0x14)
+#define MIU_TEST_AGT_WRDATA(i)		(0x10+(4*(i)))
+#define MIU_TEST_AGT_RDDATA_LO		(0x18)
+#define MIU_TEST_AGT_RDDATA_HI		(0x1c)
+#define MIU_TEST_AGT_RDDATA(i)		(0x18+(4*(i)))
+
+#define MIU_TEST_AGT_ADDR_MASK		0xfffffff8
+#define MIU_TEST_AGT_UPPER_ADDR(off)	(0)
+
+/*
+ *   Register offsets for MS
+ */
+#define SIU_TEST_AGT_BASE		(0x60)
+
+#define SIU_TEST_AGT_ADDR_LO		(0x04)
+#define SIU_TEST_AGT_ADDR_HI		(0x18)
+#define SIU_TEST_AGT_WRDATA_LO		(0x08)
+#define SIU_TEST_AGT_WRDATA_HI		(0x0c)
+#define SIU_TEST_AGT_WRDATA(i)		(0x08+(4*(i)))
+#define SIU_TEST_AGT_RDDATA_LO		(0x10)
+#define SIU_TEST_AGT_RDDATA_HI		(0x14)
+#define SIU_TEST_AGT_RDDATA(i)		(0x10+(4*(i)))
+
+#define SIU_TEST_AGT_ADDR_MASK		0x3ffff8
+#define SIU_TEST_AGT_UPPER_ADDR(off)	((off)>>22)
 
 /* XG Link status */
 #define XG_LINK_UP	0x10
diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index 32314000dfc..5f4bdda53d4 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -1458,101 +1458,69 @@ netxen_nic_pci_set_window_2M(struct netxen_adapter *adapter,
 
 static int
 netxen_nic_pci_mem_write_128M(struct netxen_adapter *adapter,
-		u64 off, void *data, int size)
+		u64 off, u64 data)
 {
 	unsigned long   flags;
-	int	     i, j, ret = 0, loop, sz[2], off0;
-	uint32_t      temp;
-	uint64_t      off8, tmpw, word[2] = {0, 0};
+	int j, ret;
+	u32 temp, off_lo, off_hi, addr_hi, data_hi, data_lo;
 	void __iomem *mem_crb;
 
-	if (size != 8)
+	/* Only 64-bit aligned access */
+	if (off & 7)
 		return -EIO;
 
+	/* P2 has different SIU and MIU test agent base addr */
 	if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET,
 				NETXEN_ADDR_QDR_NET_MAX_P2)) {
-		mem_crb = pci_base_offset(adapter, NETXEN_CRB_QDR_NET);
+		mem_crb = pci_base_offset(adapter,
+				NETXEN_CRB_QDR_NET+SIU_TEST_AGT_BASE);
+		addr_hi = SIU_TEST_AGT_ADDR_HI;
+		data_lo = SIU_TEST_AGT_WRDATA_LO;
+		data_hi = SIU_TEST_AGT_WRDATA_HI;
+		off_lo = off & SIU_TEST_AGT_ADDR_MASK;
+		off_hi = SIU_TEST_AGT_UPPER_ADDR(off);
 		goto correct;
 	}
 
 	if (ADDR_IN_RANGE(off, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
-		mem_crb = pci_base_offset(adapter, NETXEN_CRB_DDR_NET);
+		mem_crb = pci_base_offset(adapter,
+				NETXEN_CRB_DDR_NET+MIU_TEST_AGT_BASE);
+		addr_hi = MIU_TEST_AGT_ADDR_HI;
+		data_lo = MIU_TEST_AGT_WRDATA_LO;
+		data_hi = MIU_TEST_AGT_WRDATA_HI;
+		off_lo = off & MIU_TEST_AGT_ADDR_MASK;
+		off_hi = 0;
 		goto correct;
 	}
 
 	return -EIO;
 
 correct:
-	off8 = off & 0xfffffff8;
-	off0 = off & 0x7;
-	sz[0] = (size < (8 - off0)) ? size : (8 - off0);
-	sz[1] = size - sz[0];
-	loop = ((off0 + size - 1) >> 3) + 1;
-
-	if ((size != 8) || (off0 != 0))  {
-		for (i = 0; i < loop; i++) {
-			if (adapter->pci_mem_read(adapter,
-				off8 + (i << 3), &word[i], 8))
-				return -1;
-		}
-	}
-
-	switch (size) {
-	case 1:
-		tmpw = *((uint8_t *)data);
-		break;
-	case 2:
-		tmpw = *((uint16_t *)data);
-		break;
-	case 4:
-		tmpw = *((uint32_t *)data);
-		break;
-	case 8:
-	default:
-		tmpw = *((uint64_t *)data);
-		break;
-	}
-	word[0] &= ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8));
-	word[0] |= tmpw << (off0 * 8);
-
-	if (loop == 2) {
-		word[1] &= ~(~0ULL << (sz[1] * 8));
-		word[1] |= tmpw >> (sz[0] * 8);
-	}
-
 	write_lock_irqsave(&adapter->adapter_lock, flags);
 	netxen_nic_pci_change_crbwindow_128M(adapter, 0);
 
-	for (i = 0; i < loop; i++) {
-		writel((uint32_t)(off8 + (i << 3)),
-			(mem_crb+MIU_TEST_AGT_ADDR_LO));
-		writel(0,
-			(mem_crb+MIU_TEST_AGT_ADDR_HI));
-		writel(word[i] & 0xffffffff,
-			(mem_crb+MIU_TEST_AGT_WRDATA_LO));
-		writel((word[i] >> 32) & 0xffffffff,
-			(mem_crb+MIU_TEST_AGT_WRDATA_HI));
-		writel(MIU_TA_CTL_ENABLE|MIU_TA_CTL_WRITE,
-			(mem_crb+MIU_TEST_AGT_CTRL));
-		writel(MIU_TA_CTL_START|MIU_TA_CTL_ENABLE|MIU_TA_CTL_WRITE,
-			(mem_crb+MIU_TEST_AGT_CTRL));
-
-		for (j = 0; j < MAX_CTL_CHECK; j++) {
-			temp = readl(
-			     (mem_crb+MIU_TEST_AGT_CTRL));
-			if ((temp & MIU_TA_CTL_BUSY) == 0)
-				break;
-		}
-
-		if (j >= MAX_CTL_CHECK) {
-			if (printk_ratelimit())
-				dev_err(&adapter->pdev->dev,
-					"failed to write through agent\n");
-			ret = -1;
+	writel(off_lo, (mem_crb + MIU_TEST_AGT_ADDR_LO));
+	writel(off_hi, (mem_crb + addr_hi));
+	writel(data & 0xffffffff, (mem_crb + data_lo));
+	writel((data >> 32) & 0xffffffff, (mem_crb + data_hi));
+	writel((TA_CTL_ENABLE | TA_CTL_WRITE), (mem_crb + TEST_AGT_CTRL));
+	writel((TA_CTL_START | TA_CTL_ENABLE | TA_CTL_WRITE),
+			(mem_crb + TEST_AGT_CTRL));
+
+	for (j = 0; j < MAX_CTL_CHECK; j++) {
+		temp = readl((mem_crb + TEST_AGT_CTRL));
+		if ((temp & TA_CTL_BUSY) == 0)
 			break;
-		}
 	}
 
+	if (j >= MAX_CTL_CHECK) {
+		if (printk_ratelimit())
+			dev_err(&adapter->pdev->dev,
+					"failed to write through agent\n");
+		ret = -EIO;
+	} else
+		ret = 0;
+
 	netxen_nic_pci_change_crbwindow_128M(adapter, 1);
 	write_unlock_irqrestore(&adapter->adapter_lock, flags);
 	return ret;
@@ -1560,304 +1528,202 @@ correct:
 
 static int
 netxen_nic_pci_mem_read_128M(struct netxen_adapter *adapter,
-		u64 off, void *data, int size)
+		u64 off, u64 *data)
 {
 	unsigned long   flags;
-	int	     i, j = 0, k, start, end, loop, sz[2], off0[2];
-	uint32_t      temp;
-	uint64_t      off8, val, word[2] = {0, 0};
+	int j, ret;
+	u32 temp, off_lo, off_hi, addr_hi, data_hi, data_lo;
+	u64 val;
 	void __iomem *mem_crb;
 
-	if (size != 8)
+	/* Only 64-bit aligned access */
+	if (off & 7)
 		return -EIO;
 
+	/* P2 has different SIU and MIU test agent base addr */
 	if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET,
 				NETXEN_ADDR_QDR_NET_MAX_P2)) {
-		mem_crb = pci_base_offset(adapter, NETXEN_CRB_QDR_NET);
+		mem_crb = pci_base_offset(adapter,
+				NETXEN_CRB_QDR_NET+SIU_TEST_AGT_BASE);
+		addr_hi = SIU_TEST_AGT_ADDR_HI;
+		data_lo = SIU_TEST_AGT_RDDATA_LO;
+		data_hi = SIU_TEST_AGT_RDDATA_HI;
+		off_lo = off & SIU_TEST_AGT_ADDR_MASK;
+		off_hi = SIU_TEST_AGT_UPPER_ADDR(off);
 		goto correct;
 	}
 
 	if (ADDR_IN_RANGE(off, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
-		mem_crb = pci_base_offset(adapter, NETXEN_CRB_DDR_NET);
+		mem_crb = pci_base_offset(adapter,
+				NETXEN_CRB_DDR_NET+MIU_TEST_AGT_BASE);
+		addr_hi = MIU_TEST_AGT_ADDR_HI;
+		data_lo = MIU_TEST_AGT_RDDATA_LO;
+		data_hi = MIU_TEST_AGT_RDDATA_HI;
+		off_lo = off & MIU_TEST_AGT_ADDR_MASK;
+		off_hi = 0;
 		goto correct;
 	}
 
 	return -EIO;
 
 correct:
-	off8 = off & 0xfffffff8;
-	off0[0] = off & 0x7;
-	off0[1] = 0;
-	sz[0] = (size < (8 - off0[0])) ? size : (8 - off0[0]);
-	sz[1] = size - sz[0];
-	loop = ((off0[0] + size - 1) >> 3) + 1;
-
 	write_lock_irqsave(&adapter->adapter_lock, flags);
 	netxen_nic_pci_change_crbwindow_128M(adapter, 0);
 
-	for (i = 0; i < loop; i++) {
-		writel((uint32_t)(off8 + (i << 3)),
-			(mem_crb+MIU_TEST_AGT_ADDR_LO));
-		writel(0,
-			(mem_crb+MIU_TEST_AGT_ADDR_HI));
-		writel(MIU_TA_CTL_ENABLE,
-			(mem_crb+MIU_TEST_AGT_CTRL));
-		writel(MIU_TA_CTL_START|MIU_TA_CTL_ENABLE,
-			(mem_crb+MIU_TEST_AGT_CTRL));
-
-		for (j = 0; j < MAX_CTL_CHECK; j++) {
-			temp = readl(
-			      (mem_crb+MIU_TEST_AGT_CTRL));
-			if ((temp & MIU_TA_CTL_BUSY) == 0)
-				break;
-		}
+	writel(off_lo, (mem_crb + MIU_TEST_AGT_ADDR_LO));
+	writel(off_hi, (mem_crb + addr_hi));
+	writel(TA_CTL_ENABLE, (mem_crb + TEST_AGT_CTRL));
+	writel((TA_CTL_START|TA_CTL_ENABLE), (mem_crb + TEST_AGT_CTRL));
 
-		if (j >= MAX_CTL_CHECK) {
-			if (printk_ratelimit())
-				dev_err(&adapter->pdev->dev,
-					"failed to read through agent\n");
+	for (j = 0; j < MAX_CTL_CHECK; j++) {
+		temp = readl(mem_crb + TEST_AGT_CTRL);
+		if ((temp & TA_CTL_BUSY) == 0)
 			break;
-		}
+	}
 
-		start = off0[i] >> 2;
-		end   = (off0[i] + sz[i] - 1) >> 2;
-		for (k = start; k <= end; k++) {
-			word[i] |= ((uint64_t) readl(
-				    (mem_crb +
-				    MIU_TEST_AGT_RDDATA(k))) << (32*k));
-		}
+	if (j >= MAX_CTL_CHECK) {
+		if (printk_ratelimit())
+			dev_err(&adapter->pdev->dev,
+					"failed to read through agent\n");
+		ret = -EIO;
+	} else {
+
+		temp = readl(mem_crb + data_hi);
+		val = ((u64)temp << 32);
+		val |= readl(mem_crb + data_lo);
+		*data = val;
+		ret = 0;
 	}
 
 	netxen_nic_pci_change_crbwindow_128M(adapter, 1);
 	write_unlock_irqrestore(&adapter->adapter_lock, flags);
 
-	if (j >= MAX_CTL_CHECK)
-		return -1;
-
-	if (sz[0] == 8) {
-		val = word[0];
-	} else {
-		val = ((word[0] >> (off0[0] * 8)) & (~(~0ULL << (sz[0] * 8)))) |
-			((word[1] & (~(~0ULL << (sz[1] * 8)))) << (sz[0] * 8));
-	}
-
-	switch (size) {
-	case 1:
-		*(uint8_t  *)data = val;
-		break;
-	case 2:
-		*(uint16_t *)data = val;
-		break;
-	case 4:
-		*(uint32_t *)data = val;
-		break;
-	case 8:
-		*(uint64_t *)data = val;
-		break;
-	}
-	return 0;
+	return ret;
 }
 
 static int
 netxen_nic_pci_mem_write_2M(struct netxen_adapter *adapter,
-		u64 off, void *data, int size)
+		u64 off, u64 data)
 {
-	int i, j, ret = 0, loop, sz[2], off0;
-	uint32_t temp;
-	uint64_t off8, tmpw, word[2] = {0, 0};
+	unsigned long   flags;
+	int j, ret;
+	u32 temp, off8;
 	void __iomem *mem_crb;
 
-	if (size != 8)
+	/* Only 64-bit aligned access */
+	if (off & 7)
 		return -EIO;
 
+	/* P3 onward, test agent base for MIU and SIU is same */
 	if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET,
 				NETXEN_ADDR_QDR_NET_MAX_P3)) {
-		mem_crb = netxen_get_ioaddr(adapter, NETXEN_CRB_QDR_NET);
+		mem_crb = netxen_get_ioaddr(adapter,
+				NETXEN_CRB_QDR_NET+MIU_TEST_AGT_BASE);
 		goto correct;
 	}
 
 	if (ADDR_IN_RANGE(off, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
-		mem_crb = netxen_get_ioaddr(adapter, NETXEN_CRB_DDR_NET);
+		mem_crb = netxen_get_ioaddr(adapter,
+				NETXEN_CRB_DDR_NET+MIU_TEST_AGT_BASE);
 		goto correct;
 	}
 
 	return -EIO;
 
 correct:
-	off8 = off & 0xfffffff8;
-	off0 = off & 0x7;
-	sz[0] = (size < (8 - off0)) ? size : (8 - off0);
-	sz[1] = size - sz[0];
-	loop = ((off0 + size - 1) >> 3) + 1;
-
-	if ((size != 8) || (off0 != 0)) {
-		for (i = 0; i < loop; i++) {
-			if (adapter->pci_mem_read(adapter,
-					off8 + (i << 3), &word[i], 8))
-				return -1;
-		}
-	}
-
-	switch (size) {
-	case 1:
-		tmpw = *((uint8_t *)data);
-		break;
-	case 2:
-		tmpw = *((uint16_t *)data);
-		break;
-	case 4:
-		tmpw = *((uint32_t *)data);
-		break;
-	case 8:
-	default:
-		tmpw = *((uint64_t *)data);
-	break;
-	}
+	off8 = off & MIU_TEST_AGT_ADDR_MASK;
 
-	word[0] &= ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8));
-	word[0] |= tmpw << (off0 * 8);
+	write_lock_irqsave(&adapter->adapter_lock, flags);
 
-	if (loop == 2) {
-		word[1] &= ~(~0ULL << (sz[1] * 8));
-		word[1] |= tmpw >> (sz[0] * 8);
+	writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO));
+	writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI));
+	writel(data & 0xffffffff, mem_crb + MIU_TEST_AGT_WRDATA_LO);
+	writel((data >> 32) & 0xffffffff, mem_crb + MIU_TEST_AGT_WRDATA_HI);
+	writel((TA_CTL_ENABLE | TA_CTL_WRITE), (mem_crb + TEST_AGT_CTRL));
+	writel((TA_CTL_START | TA_CTL_ENABLE | TA_CTL_WRITE),
+			(mem_crb + TEST_AGT_CTRL));
+
+	for (j = 0; j < MAX_CTL_CHECK; j++) {
+		temp = readl(mem_crb + TEST_AGT_CTRL);
+		if ((temp & TA_CTL_BUSY) == 0)
+			break;
 	}
 
-	/*
-	 * don't lock here - write_wx gets the lock if each time
-	 * write_lock_irqsave(&adapter->adapter_lock, flags);
-	 * netxen_nic_pci_change_crbwindow_128M(adapter, 0);
-	 */
-
-	for (i = 0; i < loop; i++) {
-		writel(off8 + (i << 3), mem_crb+MIU_TEST_AGT_ADDR_LO);
-		writel(0, mem_crb+MIU_TEST_AGT_ADDR_HI);
-		writel(word[i] & 0xffffffff, mem_crb+MIU_TEST_AGT_WRDATA_LO);
-		writel((word[i] >> 32) & 0xffffffff,
-				mem_crb+MIU_TEST_AGT_WRDATA_HI);
-		writel((MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE),
-				mem_crb+MIU_TEST_AGT_CTRL);
-		writel(MIU_TA_CTL_START | MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE,
-				mem_crb+MIU_TEST_AGT_CTRL);
-
-		for (j = 0; j < MAX_CTL_CHECK; j++) {
-			temp = readl(mem_crb + MIU_TEST_AGT_CTRL);
-			if ((temp & MIU_TA_CTL_BUSY) == 0)
-				break;
-		}
-
-		if (j >= MAX_CTL_CHECK) {
-			if (printk_ratelimit())
-				dev_err(&adapter->pdev->dev,
+	if (j >= MAX_CTL_CHECK) {
+		if (printk_ratelimit())
+			dev_err(&adapter->pdev->dev,
 					"failed to write through agent\n");
-			ret = -1;
-			break;
-		}
-	}
+		ret = -EIO;
+	} else
+		ret = 0;
+
+	write_unlock_irqrestore(&adapter->adapter_lock, flags);
 
-	/*
-	 * netxen_nic_pci_change_crbwindow_128M(adapter, 1);
-	 * write_unlock_irqrestore(&adapter->adapter_lock, flags);
-	 */
 	return ret;
 }
 
 static int
 netxen_nic_pci_mem_read_2M(struct netxen_adapter *adapter,
-		u64 off, void *data, int size)
+		u64 off, u64 *data)
 {
-	int i, j = 0, k, start, end, loop, sz[2], off0[2];
-	uint32_t      temp;
-	uint64_t      off8, val, word[2] = {0, 0};
+	unsigned long   flags;
+	int j, ret;
+	u32 temp, off8;
+	u64 val;
 	void __iomem *mem_crb;
 
-	if (size != 8)
+	/* Only 64-bit aligned access */
+	if (off & 7)
 		return -EIO;
 
+	/* P3 onward, test agent base for MIU and SIU is same */
 	if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET,
 				NETXEN_ADDR_QDR_NET_MAX_P3)) {
-		mem_crb = netxen_get_ioaddr(adapter, NETXEN_CRB_QDR_NET);
+		mem_crb = netxen_get_ioaddr(adapter,
+				NETXEN_CRB_QDR_NET+MIU_TEST_AGT_BASE);
 		goto correct;
 	}
 
 	if (ADDR_IN_RANGE(off, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
-		mem_crb = netxen_get_ioaddr(adapter, NETXEN_CRB_DDR_NET);
+		mem_crb = netxen_get_ioaddr(adapter,
+				NETXEN_CRB_DDR_NET+MIU_TEST_AGT_BASE);
 		goto correct;
 	}
 
 	return -EIO;
 
 correct:
-	off8 = off & 0xfffffff8;
-	off0[0] = off & 0x7;
-	off0[1] = 0;
-	sz[0] = (size < (8 - off0[0])) ? size : (8 - off0[0]);
-	sz[1] = size - sz[0];
-	loop = ((off0[0] + size - 1) >> 3) + 1;
+	off8 = off & MIU_TEST_AGT_ADDR_MASK;
 
-	/*
-	 * don't lock here - write_wx gets the lock if each time
-	 * write_lock_irqsave(&adapter->adapter_lock, flags);
-	 * netxen_nic_pci_change_crbwindow_128M(adapter, 0);
-	 */
+	write_lock_irqsave(&adapter->adapter_lock, flags);
 
-	for (i = 0; i < loop; i++) {
-		writel(off8 + (i << 3), mem_crb + MIU_TEST_AGT_ADDR_LO);
-		writel(0, mem_crb + MIU_TEST_AGT_ADDR_HI);
-		writel(MIU_TA_CTL_ENABLE, mem_crb + MIU_TEST_AGT_CTRL);
-		writel(MIU_TA_CTL_START | MIU_TA_CTL_ENABLE,
-				mem_crb + MIU_TEST_AGT_CTRL);
-
-		for (j = 0; j < MAX_CTL_CHECK; j++) {
-			temp = readl(mem_crb + MIU_TEST_AGT_CTRL);
-			if ((temp & MIU_TA_CTL_BUSY) == 0)
-				break;
-		}
+	writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO));
+	writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI));
+	writel(TA_CTL_ENABLE, (mem_crb + TEST_AGT_CTRL));
+	writel((TA_CTL_START | TA_CTL_ENABLE), (mem_crb + TEST_AGT_CTRL));
 
-		if (j >= MAX_CTL_CHECK) {
-			if (printk_ratelimit())
-				dev_err(&adapter->pdev->dev,
-					"failed to read through agent\n");
+	for (j = 0; j < MAX_CTL_CHECK; j++) {
+		temp = readl(mem_crb + TEST_AGT_CTRL);
+		if ((temp & TA_CTL_BUSY) == 0)
 			break;
-		}
-
-		start = off0[i] >> 2;
-		end   = (off0[i] + sz[i] - 1) >> 2;
-		for (k = start; k <= end; k++) {
-			temp = readl(mem_crb + MIU_TEST_AGT_RDDATA(k));
-			word[i] |= ((uint64_t)temp << (32 * k));
-		}
 	}
 
-	/*
-	 * netxen_nic_pci_change_crbwindow_128M(adapter, 1);
-	 * write_unlock_irqrestore(&adapter->adapter_lock, flags);
-	 */
-
-	if (j >= MAX_CTL_CHECK)
-		return -1;
-
-	if (sz[0] == 8) {
-		val = word[0];
+	if (j >= MAX_CTL_CHECK) {
+		if (printk_ratelimit())
+			dev_err(&adapter->pdev->dev,
+					"failed to read through agent\n");
+		ret = -EIO;
 	} else {
-		val = ((word[0] >> (off0[0] * 8)) & (~(~0ULL << (sz[0] * 8)))) |
-		((word[1] & (~(~0ULL << (sz[1] * 8)))) << (sz[0] * 8));
+		temp = readl(mem_crb + MIU_TEST_AGT_RDDATA_HI);
+		val = (u64)temp << 32;
+		val |= readl(mem_crb + MIU_TEST_AGT_RDDATA_LO);
+		*data = val;
+		ret = 0;
 	}
 
-	switch (size) {
-	case 1:
-		*(uint8_t  *)data = val;
-		break;
-	case 2:
-		*(uint16_t *)data = val;
-		break;
-	case 4:
-		*(uint32_t *)data = val;
-		break;
-	case 8:
-		*(uint64_t *)data = val;
-		break;
-	}
-	return 0;
+	write_unlock_irqrestore(&adapter->adapter_lock, flags);
+
+	return ret;
 }
 
 void
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index 91c2bc61c8e..424b456c5c8 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -702,7 +702,10 @@ netxen_load_firmware(struct netxen_adapter *adapter)
 
 		for (i = 0; i < size; i++) {
 			data = cpu_to_le64(ptr64[i]);
-			adapter->pci_mem_write(adapter, flashaddr, &data, 8);
+			if (adapter->pci_mem_write(adapter,
+						flashaddr, data))
+				return -EIO;
+
 			flashaddr += 8;
 		}
 
@@ -716,7 +719,7 @@ netxen_load_firmware(struct netxen_adapter *adapter)
 			data = cpu_to_le64(ptr64[i]);
 
 			if (adapter->pci_mem_write(adapter,
-						flashaddr, &data, 8))
+						flashaddr, data))
 				return -EIO;
 
 			flashaddr += 8;
@@ -730,17 +733,17 @@ netxen_load_firmware(struct netxen_adapter *adapter)
 
 		for (i = 0; i < size; i++) {
 			if (netxen_rom_fast_read(adapter,
-					flashaddr, &lo) != 0)
+					flashaddr, (int *)&lo) != 0)
 				return -EIO;
 			if (netxen_rom_fast_read(adapter,
-					flashaddr + 4, &hi) != 0)
+					flashaddr + 4, (int *)&hi) != 0)
 				return -EIO;
 
 			/* hi, lo are already in host endian byteorder */
 			data = (((u64)hi << 32) | lo);
 
 			if (adapter->pci_mem_write(adapter,
-						flashaddr, &data, 8))
+						flashaddr, data))
 				return -EIO;
 
 			flashaddr += 8;
-- 
GitLab


From 47abe35610cbbfb3cc92847efdf588a8be1f5ebc Mon Sep 17 00:00:00 2001
From: Dhananjay Phadke <dhananjay@netxen.com>
Date: Tue, 13 Oct 2009 05:31:42 +0000
Subject: [PATCH 0268/1815] netxen: add access to on chip memory for tools

Add access to on chip memory, this is used by
debug and diagnostic tools only.

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/netxen/netxen_nic.h      |  11 +-
 drivers/net/netxen/netxen_nic_hw.c   | 221 ++++++++++++---------------
 drivers/net/netxen/netxen_nic_main.c |  24 +--
 3 files changed, 112 insertions(+), 144 deletions(-)

diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index db5c8d27d5d..eef9e66becb 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -543,13 +543,13 @@ struct netxen_hardware_context {
 	void __iomem *pci_base1;
 	void __iomem *pci_base2;
 	void __iomem *db_base;
+	void __iomem *ocm_win_crb;
+
 	unsigned long db_len;
 	unsigned long pci_len0;
 
-	int qdr_sn_window;
-	int ddr_mn_window;
-	u32 mn_win_crb;
-	u32 ms_win_crb;
+	u32 ocm_win;
+	u32 resv1;
 
 	u8 cut_through;
 	u8 revision_id;
@@ -1183,8 +1183,7 @@ struct netxen_adapter {
 	int (*pci_mem_read)(struct netxen_adapter *, u64, u64 *);
 	int (*pci_mem_write)(struct netxen_adapter *, u64, u64);
 
-	unsigned long (*pci_set_window)(struct netxen_adapter *,
-			unsigned long long);
+	int (*pci_set_window)(struct netxen_adapter *, u64, u32 *);
 
 	u32 (*io_read)(struct netxen_adapter *, void __iomem *);
 	void (*io_write)(struct netxen_adapter *, void __iomem *, u32);
diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index 5f4bdda53d4..f677752dbe2 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -1274,72 +1274,6 @@ netxen_nic_hw_read_wx_2M(struct netxen_adapter *adapter, ulong off)
 	return data;
 }
 
-static int netxen_pci_set_window_warning_count;
-
-static unsigned long
-netxen_nic_pci_set_window_128M(struct netxen_adapter *adapter,
-		unsigned long long addr)
-{
-	void __iomem *offset;
-	int window;
-	unsigned long long	qdr_max;
-	uint8_t func = adapter->ahw.pci_func;
-
-	if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
-		qdr_max = NETXEN_ADDR_QDR_NET_MAX_P2;
-	} else {
-		qdr_max = NETXEN_ADDR_QDR_NET_MAX_P3;
-	}
-
-	if (ADDR_IN_RANGE(addr, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
-		/* DDR network side */
-		addr -= NETXEN_ADDR_DDR_NET;
-		window = (addr >> 25) & 0x3ff;
-		if (adapter->ahw.ddr_mn_window != window) {
-			adapter->ahw.ddr_mn_window = window;
-			offset = PCI_OFFSET_SECOND_RANGE(adapter,
-				NETXEN_PCIX_PH_REG(PCIE_MN_WINDOW_REG(func)));
-			writel(window, offset);
-			/* MUST make sure window is set before we forge on... */
-			readl(offset);
-		}
-		addr -= (window * NETXEN_WINDOW_ONE);
-		addr += NETXEN_PCI_DDR_NET;
-	} else if (ADDR_IN_RANGE(addr, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) {
-		addr -= NETXEN_ADDR_OCM0;
-		addr += NETXEN_PCI_OCM0;
-	} else if (ADDR_IN_RANGE(addr, NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) {
-		addr -= NETXEN_ADDR_OCM1;
-		addr += NETXEN_PCI_OCM1;
-	} else if (ADDR_IN_RANGE(addr, NETXEN_ADDR_QDR_NET, qdr_max)) {
-		/* QDR network side */
-		addr -= NETXEN_ADDR_QDR_NET;
-		window = (addr >> 22) & 0x3f;
-		if (adapter->ahw.qdr_sn_window != window) {
-			adapter->ahw.qdr_sn_window = window;
-			offset = PCI_OFFSET_SECOND_RANGE(adapter,
-				NETXEN_PCIX_PH_REG(PCIE_SN_WINDOW_REG(func)));
-			writel((window << 22), offset);
-			/* MUST make sure window is set before we forge on... */
-			readl(offset);
-		}
-		addr -= (window * 0x400000);
-		addr += NETXEN_PCI_QDR_NET;
-	} else {
-		/*
-		 * peg gdb frequently accesses memory that doesn't exist,
-		 * this limits the chit chat so debugging isn't slowed down.
-		 */
-		if ((netxen_pci_set_window_warning_count++ < 8)
-		    || (netxen_pci_set_window_warning_count % 64 == 0))
-			printk("%s: Warning:netxen_nic_pci_set_window()"
-			       " Unknown address range!\n",
-			       netxen_nic_driver_name);
-		addr = -1UL;
-	}
-	return addr;
-}
-
 /* window 1 registers only */
 static void netxen_nic_io_write_128M(struct netxen_adapter *adapter,
 		void __iomem *addr, u32 data)
@@ -1389,69 +1323,90 @@ netxen_get_ioaddr(struct netxen_adapter *adapter, u32 offset)
 	return (void __iomem *)off;
 }
 
-static unsigned long
-netxen_nic_pci_set_window_2M(struct netxen_adapter *adapter,
-		unsigned long long addr)
+static int
+netxen_nic_pci_set_window_128M(struct netxen_adapter *adapter,
+		u64 addr, u32 *start)
 {
-	int window;
-	u32 win_read;
-
-	if (ADDR_IN_RANGE(addr, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
-		/* DDR network side */
-		window = MN_WIN(addr);
-		adapter->ahw.ddr_mn_window = window;
-		NXWR32(adapter, adapter->ahw.mn_win_crb, window);
-		win_read = NXRD32(adapter, adapter->ahw.mn_win_crb);
-		if ((win_read << 17) != window) {
-			printk(KERN_INFO "Written MNwin (0x%x) != "
-				"Read MNwin (0x%x)\n", window, win_read);
-		}
-		addr = GET_MEM_OFFS_2M(addr) + NETXEN_PCI_DDR_NET;
+	if (ADDR_IN_RANGE(addr, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) {
+		*start = (addr - NETXEN_ADDR_OCM0  + NETXEN_PCI_OCM0);
+		return 0;
 	} else if (ADDR_IN_RANGE(addr,
-				NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) {
-		if ((addr & 0x00ff800) == 0xff800) {
-			printk("%s: QM access not handled.\n", __func__);
-			addr = -1UL;
-		}
+				NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) {
+		*start = (addr - NETXEN_ADDR_OCM1 + NETXEN_PCI_OCM1);
+		return 0;
+	}
 
-		window = OCM_WIN(addr);
-		adapter->ahw.ddr_mn_window = window;
-		NXWR32(adapter, adapter->ahw.mn_win_crb, window);
-		win_read = NXRD32(adapter, adapter->ahw.mn_win_crb);
-		if ((win_read >> 7) != window) {
-			printk(KERN_INFO "%s: Written OCMwin (0x%x) != "
-					"Read OCMwin (0x%x)\n",
-					__func__, window, win_read);
-		}
-		addr = GET_MEM_OFFS_2M(addr) + NETXEN_PCI_OCM0_2M;
+	return -EIO;
+}
 
-	} else if (ADDR_IN_RANGE(addr,
-			NETXEN_ADDR_QDR_NET, NETXEN_ADDR_QDR_NET_MAX_P3)) {
-		/* QDR network side */
-		window = MS_WIN(addr);
-		adapter->ahw.qdr_sn_window = window;
-		NXWR32(adapter, adapter->ahw.ms_win_crb, window);
-		win_read = NXRD32(adapter, adapter->ahw.ms_win_crb);
-		if (win_read != window) {
-			printk(KERN_INFO "%s: Written MSwin (0x%x) != "
-					"Read MSwin (0x%x)\n",
-					__func__, window, win_read);
-		}
-		addr = GET_MEM_OFFS_2M(addr) + NETXEN_PCI_QDR_NET;
+static int
+netxen_nic_pci_set_window_2M(struct netxen_adapter *adapter,
+		u64 addr, u32 *start)
+{
+	u32 win_read, window;
+	struct pci_dev *pdev = adapter->pdev;
 
-	} else {
-		/*
-		 * peg gdb frequently accesses memory that doesn't exist,
-		 * this limits the chit chat so debugging isn't slowed down.
-		 */
-		if ((netxen_pci_set_window_warning_count++ < 8)
-			|| (netxen_pci_set_window_warning_count%64 == 0)) {
-			printk("%s: Warning:%s Unknown address range!\n",
-					__func__, netxen_nic_driver_name);
+	if ((addr & 0x00ff800) == 0xff800) {
+		if (printk_ratelimit())
+			dev_warn(&pdev->dev, "QM access not handled\n");
+		return -EIO;
+	}
+
+	window = OCM_WIN(addr);
+	writel(window, adapter->ahw.ocm_win_crb);
+	win_read = readl(adapter->ahw.ocm_win_crb);
+	if ((win_read >> 7) != window) {
+		if (printk_ratelimit())
+			dev_warn(&pdev->dev, "failed to set OCM window\n");
+		return -EIO;
+	}
+
+	adapter->ahw.ocm_win = window;
+	*start = NETXEN_PCI_OCM0_2M + GET_MEM_OFFS_2M(addr);
+	return 0;
 }
-		addr = -1UL;
+
+static int
+netxen_nic_pci_mem_access_direct(struct netxen_adapter *adapter, u64 off,
+		u64 *data, int op)
+{
+	void __iomem *addr, *mem_ptr = NULL;
+	resource_size_t mem_base;
+	unsigned long flags;
+	int ret = -EIO;
+	u32 start;
+
+	write_lock_irqsave(&adapter->adapter_lock, flags);
+
+	ret = adapter->pci_set_window(adapter, off, &start);
+	if (ret != 0)
+		goto unlock;
+
+	addr = pci_base_offset(adapter, start);
+	if (addr)
+		goto noremap;
+
+	mem_base = pci_resource_start(adapter->pdev, 0) + (start & PAGE_MASK);
+
+	mem_ptr = ioremap(mem_base, PAGE_SIZE);
+	if (mem_ptr == NULL) {
+		ret = -EIO;
+		goto unlock;
 	}
-	return addr;
+
+	addr = mem_ptr + (start & (PAGE_SIZE - 1));
+
+noremap:
+	if (op == 0)	/* read */
+		*data = readq(addr);
+	else		/* write */
+		writeq(*data, addr);
+
+unlock:
+	write_unlock_irqrestore(&adapter->adapter_lock, flags);
+	if (mem_ptr)
+		iounmap(mem_ptr);
+	return ret;
 }
 
 #define MAX_CTL_CHECK   1000
@@ -1493,6 +1448,14 @@ netxen_nic_pci_mem_write_128M(struct netxen_adapter *adapter,
 		goto correct;
 	}
 
+	if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX) ||
+		ADDR_IN_RANGE(off, NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) {
+		if (adapter->ahw.pci_len0 != 0) {
+			return netxen_nic_pci_mem_access_direct(adapter,
+					off, &data, 1);
+		}
+	}
+
 	return -EIO;
 
 correct:
@@ -1564,6 +1527,14 @@ netxen_nic_pci_mem_read_128M(struct netxen_adapter *adapter,
 		goto correct;
 	}
 
+	if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX) ||
+		ADDR_IN_RANGE(off, NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) {
+		if (adapter->ahw.pci_len0 != 0) {
+			return netxen_nic_pci_mem_access_direct(adapter,
+					off, data, 0);
+		}
+	}
+
 	return -EIO;
 
 correct:
@@ -1628,6 +1599,9 @@ netxen_nic_pci_mem_write_2M(struct netxen_adapter *adapter,
 		goto correct;
 	}
 
+	if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX))
+		return netxen_nic_pci_mem_access_direct(adapter, off, &data, 1);
+
 	return -EIO;
 
 correct:
@@ -1690,6 +1664,9 @@ netxen_nic_pci_mem_read_2M(struct netxen_adapter *adapter,
 		goto correct;
 	}
 
+	if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX))
+		return netxen_nic_pci_mem_access_direct(adapter, off, data, 0);
+
 	return -EIO;
 
 correct:
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 302675a972e..b7f60706186 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -607,13 +607,11 @@ netxen_setup_pci_map(struct netxen_adapter *adapter)
 	 * accessed it should set the window to 0 and then reset it to 1.
 	 */
 	adapter->curr_window = 255;
-	adapter->ahw.qdr_sn_window = -1;
-	adapter->ahw.ddr_mn_window = -1;
+	adapter->ahw.ocm_win = -1;
 
 	/* remap phys address */
 	mem_base = pci_resource_start(pdev, 0);	/* 0 is for BAR 0 */
 	mem_len = pci_resource_len(pdev, 0);
-	pci_len0 = 0;
 
 	/* 128 Meg of memory */
 	if (mem_len == NETXEN_PCI_128MB_SIZE) {
@@ -622,6 +620,7 @@ netxen_setup_pci_map(struct netxen_adapter *adapter)
 				SECOND_PAGE_GROUP_SIZE);
 		mem_ptr2 = ioremap(mem_base + THIRD_PAGE_GROUP_START,
 				THIRD_PAGE_GROUP_SIZE);
+		pci_len0 = FIRST_PAGE_GROUP_SIZE;
 	} else if (mem_len == NETXEN_PCI_32MB_SIZE) {
 		mem_ptr1 = ioremap(mem_base, SECOND_PAGE_GROUP_SIZE);
 		mem_ptr2 = ioremap(mem_base + THIRD_PAGE_GROUP_START -
@@ -634,19 +633,6 @@ netxen_setup_pci_map(struct netxen_adapter *adapter)
 			return -EIO;
 		}
 		pci_len0 = mem_len;
-
-		adapter->ahw.ddr_mn_window = 0;
-		adapter->ahw.qdr_sn_window = 0;
-
-		adapter->ahw.mn_win_crb = NETXEN_PCI_CRBSPACE +
-			0x100000 + PCIX_MN_WINDOW + (pci_func * 0x20);
-		adapter->ahw.ms_win_crb = NETXEN_PCI_CRBSPACE +
-			0x100000 + PCIX_SN_WINDOW;
-		if (pci_func < 4)
-			adapter->ahw.ms_win_crb += (pci_func * 0x20);
-		else
-			adapter->ahw.ms_win_crb +=
-					0xA0 + ((pci_func - 4) * 0x10);
 	} else {
 		return -EIO;
 	}
@@ -660,6 +646,11 @@ netxen_setup_pci_map(struct netxen_adapter *adapter)
 	adapter->ahw.pci_base1 = mem_ptr1;
 	adapter->ahw.pci_base2 = mem_ptr2;
 
+	if (!NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
+		adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter,
+			NETXEN_PCIX_PS_REG(PCIE_MN_WINDOW_REG(pci_func)));
+	}
+
 	if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
 		goto skip_doorbell;
 
@@ -1447,6 +1438,7 @@ netxen_nic_resume(struct pci_dev *pdev)
 		return err;
 
 	adapter->curr_window = 255;
+	adapter->ahw.ocm_win = -1;
 
 	err = netxen_start_firmware(adapter);
 	if (err) {
-- 
GitLab


From 907fa1201c76f426a13bdff5be2747fb62c2353f Mon Sep 17 00:00:00 2001
From: Dhananjay Phadke <dhananjay@netxen.com>
Date: Tue, 13 Oct 2009 05:31:43 +0000
Subject: [PATCH 0269/1815] netxen: annotate register windowing code

Use common variables crb_win, ocm_win for all revisions of chip.

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/netxen/netxen_nic.h      |   4 +-
 drivers/net/netxen/netxen_nic_hw.c   | 100 +++++++++++++--------------
 drivers/net/netxen/netxen_nic_main.c |   4 +-
 3 files changed, 51 insertions(+), 57 deletions(-)

diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index eef9e66becb..2a42132b979 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -549,7 +549,7 @@ struct netxen_hardware_context {
 	unsigned long pci_len0;
 
 	u32 ocm_win;
-	u32 resv1;
+	u32 crb_win;
 
 	u8 cut_through;
 	u8 revision_id;
@@ -1115,8 +1115,6 @@ struct netxen_adapter {
 	struct pci_dev *pdev;
 	struct list_head mac_list;
 
-	u32 curr_window;
-	u32 crb_win;
 	rwlock_t adapter_lock;
 
 	spinlock_t tx_clean_lock;
diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index f677752dbe2..37f47660dcd 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -1046,46 +1046,34 @@ int netxen_p3_get_mac_addr(struct netxen_adapter *adapter, __le64 *mac)
  * Changes the CRB window to the specified window.
  */
 static void
-netxen_nic_pci_change_crbwindow_128M(struct netxen_adapter *adapter, u32 wndw)
+netxen_nic_pci_set_crbwindow_128M(struct netxen_adapter *adapter,
+		u32 window)
 {
 	void __iomem *offset;
-	u32 tmp;
-	int count = 0;
-	uint8_t func = adapter->ahw.pci_func;
+	int count = 10;
+	u8 func = adapter->ahw.pci_func;
 
-	if (adapter->curr_window == wndw)
+	if (adapter->ahw.crb_win == window)
 		return;
-	/*
-	 * Move the CRB window.
-	 * We need to write to the "direct access" region of PCI
-	 * to avoid a race condition where the window register has
-	 * not been successfully written across CRB before the target
-	 * register address is received by PCI. The direct region bypasses
-	 * the CRB bus.
-	 */
+
 	offset = PCI_OFFSET_SECOND_RANGE(adapter,
 			NETXEN_PCIX_PH_REG(PCIE_CRB_WINDOW_REG(func)));
 
-	if (wndw & 0x1)
-		wndw = NETXEN_WINDOW_ONE;
+	writel(window, offset);
+	do {
+		if (window == readl(offset))
+			break;
 
-	writel(wndw, offset);
+		if (printk_ratelimit())
+			dev_warn(&adapter->pdev->dev,
+					"failed to set CRB window to %d\n",
+					(window == NETXEN_WINDOW_ONE));
+		udelay(1);
 
-	/* MUST make sure window is set before we forge on... */
-	while ((tmp = readl(offset)) != wndw) {
-		printk(KERN_WARNING "%s: %s WARNING: CRB window value not "
-		       "registered properly: 0x%08x.\n",
-		       netxen_nic_driver_name, __func__, tmp);
-		mdelay(1);
-		if (count >= 10)
-			break;
-		count++;
-	}
+	} while (--count > 0);
 
-	if (wndw == NETXEN_WINDOW_ONE)
-		adapter->curr_window = 1;
-	else
-		adapter->curr_window = 0;
+	if (count > 0)
+		adapter->ahw.crb_win = window;
 }
 
 /*
@@ -1140,20 +1128,24 @@ netxen_nic_pci_get_crb_addr_2M(struct netxen_adapter *adapter, ulong *off)
 static void
 netxen_nic_pci_set_crbwindow_2M(struct netxen_adapter *adapter, ulong *off)
 {
-	u32 win_read;
+	u32 window;
+	void __iomem *addr = adapter->ahw.pci_base0 + CRB_WINDOW_2M;
 
-	adapter->crb_win = CRB_HI(*off);
-	writel(adapter->crb_win, (adapter->ahw.pci_base0 + CRB_WINDOW_2M));
-	/*
-	 * Read back value to make sure write has gone through before trying
-	 * to use it.
-	 */
-	win_read = readl(adapter->ahw.pci_base0 + CRB_WINDOW_2M);
-	if (win_read != adapter->crb_win) {
-		printk(KERN_ERR "%s: Written crbwin (0x%x) != "
-				"Read crbwin (0x%x), off=0x%lx\n",
-				__func__, adapter->crb_win, win_read, *off);
+	window = CRB_HI(*off);
+
+	if (adapter->ahw.crb_win == window)
+		goto done;
+
+	writel(window, addr);
+	if (readl(addr) != window) {
+		if (printk_ratelimit())
+			dev_warn(&adapter->pdev->dev,
+				"failed to set CRB window to %d off 0x%lx\n",
+				window, *off);
 	}
+	adapter->ahw.crb_win = window;
+
+done:
 	*off = (*off & MASK(16)) + CRB_INDIRECT_2M +
 		(ulong)adapter->ahw.pci_base0;
 }
@@ -1178,9 +1170,10 @@ netxen_nic_hw_write_wx_128M(struct netxen_adapter *adapter, ulong off, u32 data)
 	} else {		/* Window 0 */
 		write_lock_irqsave(&adapter->adapter_lock, flags);
 		addr = pci_base_offset(adapter, off);
-		netxen_nic_pci_change_crbwindow_128M(adapter, 0);
+		netxen_nic_pci_set_crbwindow_128M(adapter, 0);
 		writel(data, addr);
-		netxen_nic_pci_change_crbwindow_128M(adapter, 1);
+		netxen_nic_pci_set_crbwindow_128M(adapter,
+				NETXEN_WINDOW_ONE);
 		write_unlock_irqrestore(&adapter->adapter_lock, flags);
 	}
 
@@ -1207,9 +1200,10 @@ netxen_nic_hw_read_wx_128M(struct netxen_adapter *adapter, ulong off)
 		read_unlock(&adapter->adapter_lock);
 	} else {		/* Window 0 */
 		write_lock_irqsave(&adapter->adapter_lock, flags);
-		netxen_nic_pci_change_crbwindow_128M(adapter, 0);
+		netxen_nic_pci_set_crbwindow_128M(adapter, 0);
 		data = readl(addr);
-		netxen_nic_pci_change_crbwindow_128M(adapter, 1);
+		netxen_nic_pci_set_crbwindow_128M(adapter,
+				NETXEN_WINDOW_ONE);
 		write_unlock_irqrestore(&adapter->adapter_lock, flags);
 	}
 
@@ -1460,7 +1454,7 @@ netxen_nic_pci_mem_write_128M(struct netxen_adapter *adapter,
 
 correct:
 	write_lock_irqsave(&adapter->adapter_lock, flags);
-	netxen_nic_pci_change_crbwindow_128M(adapter, 0);
+	netxen_nic_pci_set_crbwindow_128M(adapter, 0);
 
 	writel(off_lo, (mem_crb + MIU_TEST_AGT_ADDR_LO));
 	writel(off_hi, (mem_crb + addr_hi));
@@ -1484,7 +1478,7 @@ correct:
 	} else
 		ret = 0;
 
-	netxen_nic_pci_change_crbwindow_128M(adapter, 1);
+	netxen_nic_pci_set_crbwindow_128M(adapter, NETXEN_WINDOW_ONE);
 	write_unlock_irqrestore(&adapter->adapter_lock, flags);
 	return ret;
 }
@@ -1539,7 +1533,7 @@ netxen_nic_pci_mem_read_128M(struct netxen_adapter *adapter,
 
 correct:
 	write_lock_irqsave(&adapter->adapter_lock, flags);
-	netxen_nic_pci_change_crbwindow_128M(adapter, 0);
+	netxen_nic_pci_set_crbwindow_128M(adapter, 0);
 
 	writel(off_lo, (mem_crb + MIU_TEST_AGT_ADDR_LO));
 	writel(off_hi, (mem_crb + addr_hi));
@@ -1566,7 +1560,7 @@ correct:
 		ret = 0;
 	}
 
-	netxen_nic_pci_change_crbwindow_128M(adapter, 1);
+	netxen_nic_pci_set_crbwindow_128M(adapter, NETXEN_WINDOW_ONE);
 	write_unlock_irqrestore(&adapter->adapter_lock, flags);
 
 	return ret;
@@ -1664,8 +1658,10 @@ netxen_nic_pci_mem_read_2M(struct netxen_adapter *adapter,
 		goto correct;
 	}
 
-	if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX))
-		return netxen_nic_pci_mem_access_direct(adapter, off, data, 0);
+	if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) {
+		return netxen_nic_pci_mem_access_direct(adapter,
+				off, data, 0);
+	}
 
 	return -EIO;
 
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index b7f60706186..6695e547302 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -606,7 +606,7 @@ netxen_setup_pci_map(struct netxen_adapter *adapter)
 	 * Set the CRB window to invalid. If any register in window 0 is
 	 * accessed it should set the window to 0 and then reset it to 1.
 	 */
-	adapter->curr_window = 255;
+	adapter->ahw.crb_win = -1;
 	adapter->ahw.ocm_win = -1;
 
 	/* remap phys address */
@@ -1437,7 +1437,7 @@ netxen_nic_resume(struct pci_dev *pdev)
 	if (err)
 		return err;
 
-	adapter->curr_window = 255;
+	adapter->ahw.crb_win = -1;
 	adapter->ahw.ocm_win = -1;
 
 	err = netxen_start_firmware(adapter);
-- 
GitLab


From f03b0ebd8e7132bd9adb41348070813feb280300 Mon Sep 17 00:00:00 2001
From: Dhananjay Phadke <dhananjay@netxen.com>
Date: Tue, 13 Oct 2009 05:31:44 +0000
Subject: [PATCH 0270/1815] netxen: separate register and memory access lock

Since register and onboard memory access has separate
window registers, they need not be kept under same lock.

Also, memory is always accessed from process context
(mostly for firmware init and diagnostic tools).

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/netxen/netxen_nic.h         |  5 +-
 drivers/net/netxen/netxen_nic_ethtool.c |  2 -
 drivers/net/netxen/netxen_nic_hw.c      | 63 ++++++++++++-------------
 drivers/net/netxen/netxen_nic_init.c    |  6 +--
 drivers/net/netxen/netxen_nic_main.c    |  4 +-
 5 files changed, 38 insertions(+), 42 deletions(-)

diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index 2a42132b979..1047609ef51 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -551,6 +551,9 @@ struct netxen_hardware_context {
 	u32 ocm_win;
 	u32 crb_win;
 
+	rwlock_t crb_lock;
+	spinlock_t mem_lock;
+
 	u8 cut_through;
 	u8 revision_id;
 	u8 pci_func;
@@ -1115,8 +1118,6 @@ struct netxen_adapter {
 	struct pci_dev *pdev;
 	struct list_head mac_list;
 
-	rwlock_t adapter_lock;
-
 	spinlock_t tx_clean_lock;
 
 	u16 num_txd;
diff --git a/drivers/net/netxen/netxen_nic_ethtool.c b/drivers/net/netxen/netxen_nic_ethtool.c
index 714f38791a9..a3b18e0c967 100644
--- a/drivers/net/netxen/netxen_nic_ethtool.c
+++ b/drivers/net/netxen/netxen_nic_ethtool.c
@@ -85,11 +85,9 @@ netxen_nic_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
 
 	strncpy(drvinfo->driver, netxen_nic_driver_name, 32);
 	strncpy(drvinfo->version, NETXEN_NIC_LINUX_VERSIONID, 32);
-	read_lock(&adapter->adapter_lock);
 	fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR);
 	fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR);
 	fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB);
-	read_unlock(&adapter->adapter_lock);
 	sprintf(drvinfo->fw_version, "%d.%d.%d", fw_major, fw_minor, fw_build);
 
 	strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index 37f47660dcd..d067bee87cd 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -41,6 +41,11 @@
 #define CRB_HI(off)	((crb_hub_agt[CRB_BLK(off)] << 20) | ((off) & 0xf0000))
 #define CRB_INDIRECT_2M	(0x1e0000UL)
 
+static void netxen_nic_io_write_128M(struct netxen_adapter *adapter,
+		void __iomem *addr, u32 data);
+static u32 netxen_nic_io_read_128M(struct netxen_adapter *adapter,
+		void __iomem *addr);
+
 #ifndef readq
 static inline u64 readq(void __iomem *addr)
 {
@@ -1164,17 +1169,15 @@ netxen_nic_hw_write_wx_128M(struct netxen_adapter *adapter, ulong off, u32 data)
 	BUG_ON(!addr);
 
 	if (ADDR_IN_WINDOW1(off)) {	/* Window 1 */
-		read_lock(&adapter->adapter_lock);
-		writel(data, addr);
-		read_unlock(&adapter->adapter_lock);
+		netxen_nic_io_write_128M(adapter, addr, data);
 	} else {		/* Window 0 */
-		write_lock_irqsave(&adapter->adapter_lock, flags);
+		write_lock_irqsave(&adapter->ahw.crb_lock, flags);
 		addr = pci_base_offset(adapter, off);
 		netxen_nic_pci_set_crbwindow_128M(adapter, 0);
 		writel(data, addr);
 		netxen_nic_pci_set_crbwindow_128M(adapter,
 				NETXEN_WINDOW_ONE);
-		write_unlock_irqrestore(&adapter->adapter_lock, flags);
+		write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
 	}
 
 	return 0;
@@ -1195,16 +1198,14 @@ netxen_nic_hw_read_wx_128M(struct netxen_adapter *adapter, ulong off)
 	BUG_ON(!addr);
 
 	if (ADDR_IN_WINDOW1(off)) {	/* Window 1 */
-		read_lock(&adapter->adapter_lock);
-		data = readl(addr);
-		read_unlock(&adapter->adapter_lock);
+		data = netxen_nic_io_read_128M(adapter, addr);
 	} else {		/* Window 0 */
-		write_lock_irqsave(&adapter->adapter_lock, flags);
+		write_lock_irqsave(&adapter->ahw.crb_lock, flags);
 		netxen_nic_pci_set_crbwindow_128M(adapter, 0);
 		data = readl(addr);
 		netxen_nic_pci_set_crbwindow_128M(adapter,
 				NETXEN_WINDOW_ONE);
-		write_unlock_irqrestore(&adapter->adapter_lock, flags);
+		write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
 	}
 
 	return data;
@@ -1226,12 +1227,12 @@ netxen_nic_hw_write_wx_2M(struct netxen_adapter *adapter, ulong off, u32 data)
 	}
 
 	if (rv == 1) {
-		write_lock_irqsave(&adapter->adapter_lock, flags);
+		write_lock_irqsave(&adapter->ahw.crb_lock, flags);
 		crb_win_lock(adapter);
 		netxen_nic_pci_set_crbwindow_2M(adapter, &off);
 		writel(data, (void __iomem *)off);
 		crb_win_unlock(adapter);
-		write_unlock_irqrestore(&adapter->adapter_lock, flags);
+		write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
 	} else
 		writel(data, (void __iomem *)off);
 
@@ -1256,12 +1257,12 @@ netxen_nic_hw_read_wx_2M(struct netxen_adapter *adapter, ulong off)
 	}
 
 	if (rv == 1) {
-		write_lock_irqsave(&adapter->adapter_lock, flags);
+		write_lock_irqsave(&adapter->ahw.crb_lock, flags);
 		crb_win_lock(adapter);
 		netxen_nic_pci_set_crbwindow_2M(adapter, &off);
 		data = readl((void __iomem *)off);
 		crb_win_unlock(adapter);
-		write_unlock_irqrestore(&adapter->adapter_lock, flags);
+		write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
 	} else
 		data = readl((void __iomem *)off);
 
@@ -1272,9 +1273,9 @@ netxen_nic_hw_read_wx_2M(struct netxen_adapter *adapter, ulong off)
 static void netxen_nic_io_write_128M(struct netxen_adapter *adapter,
 		void __iomem *addr, u32 data)
 {
-	read_lock(&adapter->adapter_lock);
+	read_lock(&adapter->ahw.crb_lock);
 	writel(data, addr);
-	read_unlock(&adapter->adapter_lock);
+	read_unlock(&adapter->ahw.crb_lock);
 }
 
 static u32 netxen_nic_io_read_128M(struct netxen_adapter *adapter,
@@ -1282,9 +1283,9 @@ static u32 netxen_nic_io_read_128M(struct netxen_adapter *adapter,
 {
 	u32 val;
 
-	read_lock(&adapter->adapter_lock);
+	read_lock(&adapter->ahw.crb_lock);
 	val = readl(addr);
-	read_unlock(&adapter->adapter_lock);
+	read_unlock(&adapter->ahw.crb_lock);
 
 	return val;
 }
@@ -1366,11 +1367,10 @@ netxen_nic_pci_mem_access_direct(struct netxen_adapter *adapter, u64 off,
 {
 	void __iomem *addr, *mem_ptr = NULL;
 	resource_size_t mem_base;
-	unsigned long flags;
 	int ret = -EIO;
 	u32 start;
 
-	write_lock_irqsave(&adapter->adapter_lock, flags);
+	spin_lock(&adapter->ahw.mem_lock);
 
 	ret = adapter->pci_set_window(adapter, off, &start);
 	if (ret != 0)
@@ -1397,7 +1397,8 @@ noremap:
 		writeq(*data, addr);
 
 unlock:
-	write_unlock_irqrestore(&adapter->adapter_lock, flags);
+	spin_unlock(&adapter->ahw.mem_lock);
+
 	if (mem_ptr)
 		iounmap(mem_ptr);
 	return ret;
@@ -1409,7 +1410,6 @@ static int
 netxen_nic_pci_mem_write_128M(struct netxen_adapter *adapter,
 		u64 off, u64 data)
 {
-	unsigned long   flags;
 	int j, ret;
 	u32 temp, off_lo, off_hi, addr_hi, data_hi, data_lo;
 	void __iomem *mem_crb;
@@ -1453,7 +1453,7 @@ netxen_nic_pci_mem_write_128M(struct netxen_adapter *adapter,
 	return -EIO;
 
 correct:
-	write_lock_irqsave(&adapter->adapter_lock, flags);
+	spin_lock(&adapter->ahw.mem_lock);
 	netxen_nic_pci_set_crbwindow_128M(adapter, 0);
 
 	writel(off_lo, (mem_crb + MIU_TEST_AGT_ADDR_LO));
@@ -1479,7 +1479,7 @@ correct:
 		ret = 0;
 
 	netxen_nic_pci_set_crbwindow_128M(adapter, NETXEN_WINDOW_ONE);
-	write_unlock_irqrestore(&adapter->adapter_lock, flags);
+	spin_unlock(&adapter->ahw.mem_lock);
 	return ret;
 }
 
@@ -1487,7 +1487,6 @@ static int
 netxen_nic_pci_mem_read_128M(struct netxen_adapter *adapter,
 		u64 off, u64 *data)
 {
-	unsigned long   flags;
 	int j, ret;
 	u32 temp, off_lo, off_hi, addr_hi, data_hi, data_lo;
 	u64 val;
@@ -1532,7 +1531,7 @@ netxen_nic_pci_mem_read_128M(struct netxen_adapter *adapter,
 	return -EIO;
 
 correct:
-	write_lock_irqsave(&adapter->adapter_lock, flags);
+	spin_lock(&adapter->ahw.mem_lock);
 	netxen_nic_pci_set_crbwindow_128M(adapter, 0);
 
 	writel(off_lo, (mem_crb + MIU_TEST_AGT_ADDR_LO));
@@ -1561,7 +1560,7 @@ correct:
 	}
 
 	netxen_nic_pci_set_crbwindow_128M(adapter, NETXEN_WINDOW_ONE);
-	write_unlock_irqrestore(&adapter->adapter_lock, flags);
+	spin_unlock(&adapter->ahw.mem_lock);
 
 	return ret;
 }
@@ -1570,7 +1569,6 @@ static int
 netxen_nic_pci_mem_write_2M(struct netxen_adapter *adapter,
 		u64 off, u64 data)
 {
-	unsigned long   flags;
 	int j, ret;
 	u32 temp, off8;
 	void __iomem *mem_crb;
@@ -1601,7 +1599,7 @@ netxen_nic_pci_mem_write_2M(struct netxen_adapter *adapter,
 correct:
 	off8 = off & MIU_TEST_AGT_ADDR_MASK;
 
-	write_lock_irqsave(&adapter->adapter_lock, flags);
+	spin_lock(&adapter->ahw.mem_lock);
 
 	writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO));
 	writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI));
@@ -1625,7 +1623,7 @@ correct:
 	} else
 		ret = 0;
 
-	write_unlock_irqrestore(&adapter->adapter_lock, flags);
+	spin_unlock(&adapter->ahw.mem_lock);
 
 	return ret;
 }
@@ -1634,7 +1632,6 @@ static int
 netxen_nic_pci_mem_read_2M(struct netxen_adapter *adapter,
 		u64 off, u64 *data)
 {
-	unsigned long   flags;
 	int j, ret;
 	u32 temp, off8;
 	u64 val;
@@ -1668,7 +1665,7 @@ netxen_nic_pci_mem_read_2M(struct netxen_adapter *adapter,
 correct:
 	off8 = off & MIU_TEST_AGT_ADDR_MASK;
 
-	write_lock_irqsave(&adapter->adapter_lock, flags);
+	spin_lock(&adapter->ahw.mem_lock);
 
 	writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO));
 	writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI));
@@ -1694,7 +1691,7 @@ correct:
 		ret = 0;
 	}
 
-	write_unlock_irqrestore(&adapter->adapter_lock, flags);
+	spin_unlock(&adapter->ahw.mem_lock);
 
 	return ret;
 }
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index 424b456c5c8..83387c791d5 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -1513,10 +1513,8 @@ netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ringid,
 					      (rds_ring->num_desc - 1)));
 			netxen_set_msg_ctxid(msg, adapter->portnum);
 			netxen_set_msg_opcode(msg, NETXEN_RCV_PRODUCER(ringid));
-			read_lock(&adapter->adapter_lock);
-			writel(msg, DB_NORMALIZE(adapter,
-					    NETXEN_RCV_PRODUCER_OFFSET));
-			read_unlock(&adapter->adapter_lock);
+			NXWRIO(adapter, DB_NORMALIZE(adapter,
+					NETXEN_RCV_PRODUCER_OFFSET), msg);
 		}
 	}
 }
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 6695e547302..38529ee55be 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -1240,7 +1240,9 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	revision_id = pdev->revision;
 	adapter->ahw.revision_id = revision_id;
 
-	rwlock_init(&adapter->adapter_lock);
+	rwlock_init(&adapter->ahw.crb_lock);
+	spin_lock_init(&adapter->ahw.mem_lock);
+
 	spin_lock_init(&adapter->tx_clean_lock);
 	INIT_LIST_HEAD(&adapter->mac_list);
 
-- 
GitLab


From 70f9cf8951e5253cfef821f8dcb92f6fc3af50c6 Mon Sep 17 00:00:00 2001
From: Dhananjay Phadke <dhananjay@netxen.com>
Date: Tue, 13 Oct 2009 05:31:45 +0000
Subject: [PATCH 0271/1815] netxen: add sysfs entries for diag tools

Add sysfs entries to enable register and memory access
for diagnostic tools.

Signed-off-by: Narender Kumar <narender.kumar@qlogic.com>
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/netxen/netxen_nic.h      |   1 +
 drivers/net/netxen/netxen_nic_main.c | 187 +++++++++++++++++++++++++++
 2 files changed, 188 insertions(+)

diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index 1047609ef51..1bdb8f4a3c8 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -1089,6 +1089,7 @@ typedef struct {
 #define NETXEN_NIC_MSIX_ENABLED		0x04
 #define NETXEN_NIC_LRO_ENABLED		0x08
 #define NETXEN_NIC_BRIDGE_ENABLED       0X10
+#define NETXEN_NIC_DIAG_ENABLED		0x20
 #define NETXEN_IS_MSI_FAMILY(adapter) \
 	((adapter)->flags & (NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED))
 
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 38529ee55be..ecbadc5e289 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -73,6 +73,8 @@ static void netxen_nic_poll_controller(struct net_device *netdev);
 
 static void netxen_create_sysfs_entries(struct netxen_adapter *adapter);
 static void netxen_remove_sysfs_entries(struct netxen_adapter *adapter);
+static void netxen_create_diag_entries(struct netxen_adapter *adapter);
+static void netxen_remove_diag_entries(struct netxen_adapter *adapter);
 
 static int nx_decr_dev_ref_cnt(struct netxen_adapter *adapter);
 static int netxen_can_start_firmware(struct netxen_adapter *adapter);
@@ -1307,6 +1309,8 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		break;
 	}
 
+	netxen_create_diag_entries(adapter);
+
 	return 0;
 
 err_out_disable_msi:
@@ -1359,6 +1363,8 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev)
 
 	netxen_teardown_intr(adapter);
 
+	netxen_remove_diag_entries(adapter);
+
 	netxen_cleanup_pci_map(adapter);
 
 	netxen_release_firmware(adapter);
@@ -2331,6 +2337,160 @@ static struct device_attribute dev_attr_bridged_mode = {
        .store = netxen_store_bridged_mode,
 };
 
+static ssize_t
+netxen_store_diag_mode(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t len)
+{
+	struct netxen_adapter *adapter = dev_get_drvdata(dev);
+	unsigned long new;
+
+	if (strict_strtoul(buf, 2, &new))
+		return -EINVAL;
+
+	if (!!new != !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
+		adapter->flags ^= NETXEN_NIC_DIAG_ENABLED;
+
+	return len;
+}
+
+static ssize_t
+netxen_show_diag_mode(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct netxen_adapter *adapter = dev_get_drvdata(dev);
+
+	return sprintf(buf, "%d\n",
+			!!(adapter->flags & NETXEN_NIC_DIAG_ENABLED));
+}
+
+static struct device_attribute dev_attr_diag_mode = {
+	.attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)},
+	.show = netxen_show_diag_mode,
+	.store = netxen_store_diag_mode,
+};
+
+static int
+netxen_sysfs_validate_crb(struct netxen_adapter *adapter,
+		loff_t offset, size_t size)
+{
+	if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
+		return -EIO;
+
+	if ((size != 4) || (offset & 0x3))
+		return  -EINVAL;
+
+	if (offset < NETXEN_PCI_CRBSPACE)
+		return -EINVAL;
+
+	return 0;
+}
+
+static ssize_t
+netxen_sysfs_read_crb(struct kobject *kobj, struct bin_attribute *attr,
+		char *buf, loff_t offset, size_t size)
+{
+	struct device *dev = container_of(kobj, struct device, kobj);
+	struct netxen_adapter *adapter = dev_get_drvdata(dev);
+	u32 data;
+	int ret;
+
+	ret = netxen_sysfs_validate_crb(adapter, offset, size);
+	if (ret != 0)
+		return ret;
+
+	data = NXRD32(adapter, offset);
+	memcpy(buf, &data, size);
+	return size;
+}
+
+static ssize_t
+netxen_sysfs_write_crb(struct kobject *kobj, struct bin_attribute *attr,
+		char *buf, loff_t offset, size_t size)
+{
+	struct device *dev = container_of(kobj, struct device, kobj);
+	struct netxen_adapter *adapter = dev_get_drvdata(dev);
+	u32 data;
+	int ret;
+
+	ret = netxen_sysfs_validate_crb(adapter, offset, size);
+	if (ret != 0)
+		return ret;
+
+	memcpy(&data, buf, size);
+	NXWR32(adapter, offset, data);
+	return size;
+}
+
+static int
+netxen_sysfs_validate_mem(struct netxen_adapter *adapter,
+		loff_t offset, size_t size)
+{
+	if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
+		return -EIO;
+
+	if ((size != 8) || (offset & 0x7))
+		return  -EIO;
+
+	return 0;
+}
+
+static ssize_t
+netxen_sysfs_read_mem(struct kobject *kobj, struct bin_attribute *attr,
+		char *buf, loff_t offset, size_t size)
+{
+	struct device *dev = container_of(kobj, struct device, kobj);
+	struct netxen_adapter *adapter = dev_get_drvdata(dev);
+	u64 data;
+	int ret;
+
+	ret = netxen_sysfs_validate_mem(adapter, offset, size);
+	if (ret != 0)
+		return ret;
+
+	if (adapter->pci_mem_read(adapter, offset, &data))
+		return -EIO;
+
+	memcpy(buf, &data, size);
+
+	return size;
+}
+
+ssize_t netxen_sysfs_write_mem(struct kobject *kobj,
+		struct bin_attribute *attr, char *buf,
+		loff_t offset, size_t size)
+{
+	struct device *dev = container_of(kobj, struct device, kobj);
+	struct netxen_adapter *adapter = dev_get_drvdata(dev);
+	u64 data;
+	int ret;
+
+	ret = netxen_sysfs_validate_mem(adapter, offset, size);
+	if (ret != 0)
+		return ret;
+
+	memcpy(&data, buf, size);
+
+	if (adapter->pci_mem_write(adapter, offset, data))
+		return -EIO;
+
+	return size;
+}
+
+
+static struct bin_attribute bin_attr_crb = {
+	.attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)},
+	.size = 0,
+	.read = netxen_sysfs_read_crb,
+	.write = netxen_sysfs_write_crb,
+};
+
+static struct bin_attribute bin_attr_mem = {
+	.attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)},
+	.size = 0,
+	.read = netxen_sysfs_read_mem,
+	.write = netxen_sysfs_write_mem,
+};
+
 static void
 netxen_create_sysfs_entries(struct netxen_adapter *adapter)
 {
@@ -2356,6 +2516,33 @@ netxen_remove_sysfs_entries(struct netxen_adapter *adapter)
 		device_remove_file(dev, &dev_attr_bridged_mode);
 }
 
+static void
+netxen_create_diag_entries(struct netxen_adapter *adapter)
+{
+	struct pci_dev *pdev = adapter->pdev;
+	struct device *dev;
+
+	dev = &pdev->dev;
+	if (device_create_file(dev, &dev_attr_diag_mode))
+		dev_info(dev, "failed to create diag_mode sysfs entry\n");
+	if (device_create_bin_file(dev, &bin_attr_crb))
+		dev_info(dev, "failed to create crb sysfs entry\n");
+	if (device_create_bin_file(dev, &bin_attr_mem))
+		dev_info(dev, "failed to create mem sysfs entry\n");
+}
+
+
+static void
+netxen_remove_diag_entries(struct netxen_adapter *adapter)
+{
+	struct pci_dev *pdev = adapter->pdev;
+	struct device *dev = &pdev->dev;
+
+	device_remove_file(dev, &dev_attr_diag_mode);
+	device_remove_bin_file(dev, &bin_attr_crb);
+	device_remove_bin_file(dev, &bin_attr_mem);
+}
+
 #ifdef CONFIG_INET
 
 #define is_netxen_netdev(dev) (dev->netdev_ops == &netxen_netdev_ops)
-- 
GitLab


From 29c3a050f83c524218b1baa4e43aedd21501b338 Mon Sep 17 00:00:00 2001
From: Ajit Khaparde <ajitk@serverengines.com>
Date: Tue, 13 Oct 2009 01:47:33 +0000
Subject: [PATCH 0272/1815] ixgbe: Fix erroneous display of stats by ethtool -S

Commit 59aa3cc4 overlooked the way offsets for netdev stats were considered.
Because of this some of the stats shown by ethtool -S were wrong.
This patch fixes it.

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ixgbe/ixgbe_ethtool.c | 27 ++++++++++++++++++++++-----
 1 file changed, 22 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c
index 987b41c8eb4..08eccf418c6 100644
--- a/drivers/net/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ixgbe/ixgbe_ethtool.c
@@ -40,16 +40,22 @@
 
 #define IXGBE_ALL_RAR_ENTRIES 16
 
+enum {NETDEV_STATS, IXGBE_STATS};
+
 struct ixgbe_stats {
 	char stat_string[ETH_GSTRING_LEN];
+	int type;
 	int sizeof_stat;
 	int stat_offset;
 };
 
-#define IXGBE_STAT(m) sizeof(((struct ixgbe_adapter *)0)->m), \
-                             offsetof(struct ixgbe_adapter, m)
-#define IXGBE_NETDEV_STAT(m) sizeof(((struct net_device *)0)->m), \
-                             offsetof(struct net_device, m)
+#define IXGBE_STAT(m)		IXGBE_STATS, \
+				sizeof(((struct ixgbe_adapter *)0)->m), \
+				offsetof(struct ixgbe_adapter, m)
+#define IXGBE_NETDEV_STAT(m)	NETDEV_STATS, \
+				sizeof(((struct net_device *)0)->m), \
+				offsetof(struct net_device, m)
+
 static struct ixgbe_stats ixgbe_gstrings_stats[] = {
 	{"rx_packets", IXGBE_NETDEV_STAT(stats.rx_packets)},
 	{"tx_packets", IXGBE_NETDEV_STAT(stats.tx_packets)},
@@ -931,10 +937,21 @@ static void ixgbe_get_ethtool_stats(struct net_device *netdev,
 	int stat_count = sizeof(struct ixgbe_queue_stats) / sizeof(u64);
 	int j, k;
 	int i;
+	char *p = NULL;
 
 	ixgbe_update_stats(adapter);
 	for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
-		char *p = (char *)adapter + ixgbe_gstrings_stats[i].stat_offset;
+		switch (ixgbe_gstrings_stats[i].type) {
+		case NETDEV_STATS:
+			p = (char *) netdev +
+					ixgbe_gstrings_stats[i].stat_offset;
+			break;
+		case IXGBE_STATS:
+			p = (char *) adapter +
+					ixgbe_gstrings_stats[i].stat_offset;
+			break;
+		}
+
 		data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
 		           sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
 	}
-- 
GitLab


From e0f36a95c7adb6551188cdcc5a7031ce106fccbf Mon Sep 17 00:00:00 2001
From: Ajit Khaparde <ajitk@serverengines.com>
Date: Tue, 13 Oct 2009 01:45:09 +0000
Subject: [PATCH 0273/1815] e1000e: Fix erroneous display of stats by ethtool
 -S

Commit fd8235bb overlooked the way offsets for netdev stats were considered.
Because of this some of the stats shown by ethtool -S were wrong.
This patch fixes it.

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/ethtool.c | 27 ++++++++++++++++++++++-----
 1 file changed, 22 insertions(+), 5 deletions(-)

diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c
index 8a78a143e59..a70999b8c6c 100644
--- a/drivers/net/e1000e/ethtool.c
+++ b/drivers/net/e1000e/ethtool.c
@@ -35,16 +35,22 @@
 
 #include "e1000.h"
 
+enum {NETDEV_STATS, E1000_STATS};
+
 struct e1000_stats {
 	char stat_string[ETH_GSTRING_LEN];
+	int type;
 	int sizeof_stat;
 	int stat_offset;
 };
 
-#define E1000_STAT(m) sizeof(((struct e1000_adapter *)0)->m), \
-		      offsetof(struct e1000_adapter, m)
-#define E1000_NETDEV_STAT(m) sizeof(((struct net_device *)0)->m), \
-		      offsetof(struct net_device, m)
+#define E1000_STAT(m)		E1000_STATS, \
+				sizeof(((struct e1000_adapter *)0)->m), \
+		      		offsetof(struct e1000_adapter, m)
+#define E1000_NETDEV_STAT(m)	NETDEV_STATS, \
+				sizeof(((struct net_device *)0)->m), \
+				offsetof(struct net_device, m)
+
 static const struct e1000_stats e1000_gstrings_stats[] = {
 	{ "rx_packets", E1000_STAT(stats.gprc) },
 	{ "tx_packets", E1000_STAT(stats.gptc) },
@@ -1906,10 +1912,21 @@ static void e1000_get_ethtool_stats(struct net_device *netdev,
 {
 	struct e1000_adapter *adapter = netdev_priv(netdev);
 	int i;
+	char *p = NULL;
 
 	e1000e_update_stats(adapter);
 	for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
-		char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;
+		switch (e1000_gstrings_stats[i].type) {
+		case NETDEV_STATS:
+			p = (char *) netdev +
+					e1000_gstrings_stats[i].stat_offset;
+			break;
+		case E1000_STATS:
+			p = (char *) adapter +
+					e1000_gstrings_stats[i].stat_offset;
+			break;
+		}
+
 		data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
 			sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
 	}
-- 
GitLab


From 8328c38fcda2743249fd142174acf025d4cdd21f Mon Sep 17 00:00:00 2001
From: Ajit Khaparde <ajitk@serverengines.com>
Date: Tue, 13 Oct 2009 01:45:48 +0000
Subject: [PATCH 0274/1815] e1000: Fix erroneous display of stats by ethtool -S

Commit 23d26497 overlooked the way offsets for netdev stats were considered.
Because of this some of the stats shown by ethtool -S were wrong.
This patch fixes it.

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000/e1000_ethtool.c | 27 ++++++++++++++++++++++-----
 1 file changed, 22 insertions(+), 5 deletions(-)

diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c
index e25b339eb5b..ffbae0a0b4f 100644
--- a/drivers/net/e1000/e1000_ethtool.c
+++ b/drivers/net/e1000/e1000_ethtool.c
@@ -31,16 +31,22 @@
 #include "e1000.h"
 #include <asm/uaccess.h>
 
+enum {NETDEV_STATS, E1000_STATS};
+
 struct e1000_stats {
 	char stat_string[ETH_GSTRING_LEN];
+	int type;
 	int sizeof_stat;
 	int stat_offset;
 };
 
-#define E1000_STAT(m) FIELD_SIZEOF(struct e1000_adapter, m), \
-		      offsetof(struct e1000_adapter, m)
-#define E1000_NETDEV_STAT(m) FIELD_SIZEOF(struct net_device, m), \
-		      offsetof(struct net_device, m)
+#define E1000_STAT(m)		E1000_STATS, \
+				sizeof(((struct e1000_adapter *)0)->m), \
+		      		offsetof(struct e1000_adapter, m)
+#define E1000_NETDEV_STAT(m)	NETDEV_STATS, \
+				sizeof(((struct net_device *)0)->m), \
+				offsetof(struct net_device, m)
+
 static const struct e1000_stats e1000_gstrings_stats[] = {
 	{ "rx_packets", E1000_STAT(stats.gprc) },
 	{ "tx_packets", E1000_STAT(stats.gptc) },
@@ -1832,10 +1838,21 @@ static void e1000_get_ethtool_stats(struct net_device *netdev,
 {
 	struct e1000_adapter *adapter = netdev_priv(netdev);
 	int i;
+	char *p = NULL;
 
 	e1000_update_stats(adapter);
 	for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
-		char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;
+		switch (e1000_gstrings_stats[i].type) {
+		case NETDEV_STATS:
+			p = (char *) netdev +
+					e1000_gstrings_stats[i].stat_offset;
+			break;
+		case E1000_STATS:
+			p = (char *) adapter +
+					e1000_gstrings_stats[i].stat_offset;
+			break;
+		}
+
 		data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
 			sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
 	}
-- 
GitLab


From 231835e4163cf14c90e295f1729004f571ee1cc7 Mon Sep 17 00:00:00 2001
From: Ajit Khaparde <ajitk@serverengines.com>
Date: Tue, 13 Oct 2009 01:46:29 +0000
Subject: [PATCH 0275/1815] igb: Fix erroneous display of stats by ethtool -S

Commit 337e067d overlooked the way offsets for netdev stats were considered.
Because of this some of the stats shown by ethtool -S were wrong.
This patch fixes it.

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb_ethtool.c | 27 ++++++++++++++++++++++-----
 1 file changed, 22 insertions(+), 5 deletions(-)

diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
index d46c3212757..a6da32f25a8 100644
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -37,16 +37,22 @@
 
 #include "igb.h"
 
+enum {NETDEV_STATS, IGB_STATS};
+
 struct igb_stats {
 	char stat_string[ETH_GSTRING_LEN];
+	int type;
 	int sizeof_stat;
 	int stat_offset;
 };
 
-#define IGB_STAT(m) FIELD_SIZEOF(struct igb_adapter, m), \
-		      offsetof(struct igb_adapter, m)
-#define IGB_NETDEV_STAT(m) FIELD_SIZEOF(struct net_device, m), \
-		      offsetof(struct net_device, m)
+#define IGB_STAT(m)		IGB_STATS, \
+				FIELD_SIZEOF(struct igb_adapter, m), \
+				offsetof(struct igb_adapter, m)
+#define IGB_NETDEV_STAT(m)	NETDEV_STATS, \
+				FIELD_SIZEOF(struct net_device, m), \
+				offsetof(struct net_device, m)
+
 static const struct igb_stats igb_gstrings_stats[] = {
 	{ "rx_packets", IGB_STAT(stats.gprc) },
 	{ "tx_packets", IGB_STAT(stats.gptc) },
@@ -1959,10 +1965,21 @@ static void igb_get_ethtool_stats(struct net_device *netdev,
 	int stat_count_rx = sizeof(struct igb_rx_queue_stats) / sizeof(u64);
 	int j;
 	int i;
+	char *p = NULL;
 
 	igb_update_stats(adapter);
 	for (i = 0; i < IGB_GLOBAL_STATS_LEN; i++) {
-		char *p = (char *)adapter+igb_gstrings_stats[i].stat_offset;
+		switch (igb_gstrings_stats[i].type) {
+		case NETDEV_STATS:
+			p = (char *) netdev +
+					igb_gstrings_stats[i].stat_offset;
+			break;
+		case IGB_STATS:
+			p = (char *) adapter +
+					igb_gstrings_stats[i].stat_offset;
+			break;
+		}
+
 		data[i] = (igb_gstrings_stats[i].sizeof_stat ==
 			sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
 	}
-- 
GitLab


From d189a7e85835dbfb22b1d04eb7f3ab575ccacb96 Mon Sep 17 00:00:00 2001
From: Ajit Khaparde <ajitk@serverengines.com>
Date: Tue, 13 Oct 2009 01:46:56 +0000
Subject: [PATCH 0276/1815] ixgb: Fix erroneous display of stats by ethtool -S

Commit 5675f221 overlooked the way offsets for netdev stats were considered.
Because of this some of the stats shown by ethtool -S were wrong.
This patch fixes it.

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ixgb/ixgb_ethtool.c | 27 ++++++++++++++++++++++-----
 1 file changed, 22 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ixgb/ixgb_ethtool.c b/drivers/net/ixgb/ixgb_ethtool.c
index deeb25da070..a4ed96caae6 100644
--- a/drivers/net/ixgb/ixgb_ethtool.c
+++ b/drivers/net/ixgb/ixgb_ethtool.c
@@ -34,16 +34,22 @@
 
 #define IXGB_ALL_RAR_ENTRIES 16
 
+enum {NETDEV_STATS, IXGB_STATS};
+
 struct ixgb_stats {
 	char stat_string[ETH_GSTRING_LEN];
+	int type;
 	int sizeof_stat;
 	int stat_offset;
 };
 
-#define IXGB_STAT(m) FIELD_SIZEOF(struct ixgb_adapter, m), \
-		      offsetof(struct ixgb_adapter, m)
-#define IXGB_NETDEV_STAT(m) FIELD_SIZEOF(struct net_device, m), \
-		      offsetof(struct net_device, m)
+#define IXGB_STAT(m)		IXGB_STATS, \
+				FIELD_SIZEOF(struct ixgb_adapter, m), \
+				offsetof(struct ixgb_adapter, m)
+#define IXGB_NETDEV_STAT(m)	NETDEV_STATS, \
+				FIELD_SIZEOF(struct net_device, m), \
+				offsetof(struct net_device, m)
+
 static struct ixgb_stats ixgb_gstrings_stats[] = {
 	{"rx_packets", IXGB_NETDEV_STAT(stats.rx_packets)},
 	{"tx_packets", IXGB_NETDEV_STAT(stats.tx_packets)},
@@ -664,10 +670,21 @@ ixgb_get_ethtool_stats(struct net_device *netdev,
 {
 	struct ixgb_adapter *adapter = netdev_priv(netdev);
 	int i;
+	char *p = NULL;
 
 	ixgb_update_stats(adapter);
 	for (i = 0; i < IXGB_STATS_LEN; i++) {
-		char *p = (char *)adapter+ixgb_gstrings_stats[i].stat_offset;
+		switch (ixgb_gstrings_stats[i].type) {
+		case NETDEV_STATS:
+			p = (char *) netdev +
+					ixgb_gstrings_stats[i].stat_offset;
+			break;
+		case IXGB_STATS:
+			p = (char *) adapter +
+					ixgb_gstrings_stats[i].stat_offset;
+			break;
+		}
+
 		data[i] = (ixgb_gstrings_stats[i].sizeof_stat ==
 			sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
 	}
-- 
GitLab


From b4efc5610980bc4b65a6cb49b939cf5f7dfa2723 Mon Sep 17 00:00:00 2001
From: Manuel Lauss <manuel.lauss@googlemail.com>
Date: Tue, 13 Oct 2009 07:25:48 +0000
Subject: [PATCH 0277/1815] net: enable smsc911x on MIPS

Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 712776089b4..d9772af812c 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -1001,7 +1001,7 @@ config SMC911X
 
 config SMSC911X
 	tristate "SMSC LAN911x/LAN921x families embedded ethernet support"
-	depends on ARM || SUPERH || BLACKFIN
+	depends on ARM || SUPERH || BLACKFIN || MIPS
 	select CRC32
 	select MII
 	select PHYLIB
-- 
GitLab


From aace495933a981274b6491d71b915165a61defdc Mon Sep 17 00:00:00 2001
From: Manuel Lauss <manuel.lauss@googlemail.com>
Date: Tue, 13 Oct 2009 07:25:49 +0000
Subject: [PATCH 0278/1815] net: smsc911x: allow platform_data to specify mac
 address

Extend the driver to accept a MAC address specified in platform_data.

Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/smsc911x.c   | 3 +++
 include/linux/smsc911x.h | 1 +
 2 files changed, 4 insertions(+)

diff --git a/drivers/net/smsc911x.c b/drivers/net/smsc911x.c
index ccdd196f529..6a9f51d1d9f 100644
--- a/drivers/net/smsc911x.c
+++ b/drivers/net/smsc911x.c
@@ -2071,6 +2071,9 @@ static int __devinit smsc911x_drv_probe(struct platform_device *pdev)
 	if (is_valid_ether_addr(dev->dev_addr)) {
 		smsc911x_set_hw_mac_address(pdata, dev->dev_addr);
 		SMSC_TRACE(PROBE, "MAC Address is specified by configuration");
+	} else if (is_valid_ether_addr(pdata->config.mac)) {
+		memcpy(dev->dev_addr, pdata->config.mac, 6);
+		SMSC_TRACE(PROBE, "MAC Address specified by platform data");
 	} else {
 		/* Try reading mac address from device. if EEPROM is present
 		 * it will already have been set */
diff --git a/include/linux/smsc911x.h b/include/linux/smsc911x.h
index 5241e4fb4ec..7144e8aa1e4 100644
--- a/include/linux/smsc911x.h
+++ b/include/linux/smsc911x.h
@@ -30,6 +30,7 @@ struct smsc911x_platform_config {
 	unsigned int irq_type;
 	unsigned int flags;
 	phy_interface_t phy_interface;
+	unsigned char mac[6];
 };
 
 /* Constants for platform_device irq polarity configuration */
-- 
GitLab


From deed49fbb68d7d07ec6c3dfd06bffc74e9abc6fa Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 14 Oct 2009 01:19:46 -0700
Subject: [PATCH 0279/1815] net: Remove BKL from tun

The lock_kernel/unlock_kernel() in cycle_kernel_lock() which is called
in tun_chr_open() is not serializing against anything and safe to
remove.

tun_chr_fasync() is serialized by get/put_tun() and fasync_helper()
has no dependency on BKL. The modification of tun->flags is racy with
and without the BKL so removing it does not make it worse.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tun.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 4fdfa2ae541..9c59a82784d 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -44,7 +44,6 @@
 #include <linux/kernel.h>
 #include <linux/major.h>
 #include <linux/slab.h>
-#include <linux/smp_lock.h>
 #include <linux/poll.h>
 #include <linux/fcntl.h>
 #include <linux/init.h>
@@ -1285,7 +1284,6 @@ static int tun_chr_fasync(int fd, struct file *file, int on)
 
 	DBG(KERN_INFO "%s: tun_chr_fasync %d\n", tun->dev->name, on);
 
-	lock_kernel();
 	if ((ret = fasync_helper(fd, file, on, &tun->fasync)) < 0)
 		goto out;
 
@@ -1298,7 +1296,6 @@ static int tun_chr_fasync(int fd, struct file *file, int on)
 		tun->flags &= ~TUN_FASYNC;
 	ret = 0;
 out:
-	unlock_kernel();
 	tun_put(tun);
 	return ret;
 }
@@ -1306,7 +1303,7 @@ out:
 static int tun_chr_open(struct inode *inode, struct file * file)
 {
 	struct tun_file *tfile;
-	cycle_kernel_lock();
+
 	DBG1(KERN_INFO "tunX: tun_chr_open\n");
 
 	tfile = kmalloc(sizeof(*tfile), GFP_KERNEL);
-- 
GitLab


From 67ca0e5fa884f483d655ef19f22ad8509138dd3e Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Wed, 14 Oct 2009 13:11:30 -0700
Subject: [PATCH 0280/1815] ia64: Fix up the syscall table for recvmmsg

Reported-by: "Tony Luck" <tony.luck@intel.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 arch/ia64/include/asm/unistd.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/ia64/include/asm/unistd.h b/arch/ia64/include/asm/unistd.h
index 5a5347f5c4e..9c72e36c528 100644
--- a/arch/ia64/include/asm/unistd.h
+++ b/arch/ia64/include/asm/unistd.h
@@ -311,11 +311,12 @@
 #define __NR_preadv			1319
 #define __NR_pwritev			1320
 #define __NR_rt_tgsigqueueinfo		1321
+#define __NR_rt_recvmmsg		1322
 
 #ifdef __KERNEL__
 
 
-#define NR_syscalls			298 /* length of syscall table */
+#define NR_syscalls			299 /* length of syscall table */
 
 /*
  * The following defines stop scripts/checksyscalls.sh from complaining about
-- 
GitLab


From f14001fcd7bd03983c872810a3b11af4148bae72 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Denis-Courmont?= <remi.denis-courmont@nokia.com>
Date: Wed, 14 Oct 2009 00:48:27 +0000
Subject: [PATCH 0281/1815] Phonet: deliver broadcast packets to broadcast
 sockets
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/phonet/phonet.h |  1 +
 net/phonet/af_phonet.c      |  6 ++++++
 net/phonet/socket.c         | 21 +++++++++++++++++++++
 3 files changed, 28 insertions(+)

diff --git a/include/net/phonet/phonet.h b/include/net/phonet/phonet.h
index d43f71b5ec0..fdb05fa0346 100644
--- a/include/net/phonet/phonet.h
+++ b/include/net/phonet/phonet.h
@@ -47,6 +47,7 @@ static inline struct pn_sock *pn_sk(struct sock *sk)
 extern const struct proto_ops phonet_dgram_ops;
 
 struct sock *pn_find_sock_by_sa(struct net *net, const struct sockaddr_pn *sa);
+void pn_deliver_sock_broadcast(struct net *net, struct sk_buff *skb);
 void phonet_get_local_port_range(int *min, int *max);
 void pn_sock_hash(struct sock *sk);
 void pn_sock_unhash(struct sock *sk);
diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c
index c711d58b4bb..b113fe00c15 100644
--- a/net/phonet/af_phonet.c
+++ b/net/phonet/af_phonet.c
@@ -369,6 +369,12 @@ static int phonet_rcv(struct sk_buff *skb, struct net_device *dev,
 
 	pn_skb_get_dst_sockaddr(skb, &sa);
 
+	/* check if this is broadcasted */
+	if (pn_sockaddr_get_addr(&sa) == PNADDR_BROADCAST) {
+		pn_deliver_sock_broadcast(net, skb);
+		goto out;
+	}
+
 	/* check if we are the destination */
 	if (phonet_address_lookup(net, pn_sockaddr_get_addr(&sa)) == 0) {
 		/* Phonet packet input */
diff --git a/net/phonet/socket.c b/net/phonet/socket.c
index aa5b5a972bf..8c84190f22d 100644
--- a/net/phonet/socket.c
+++ b/net/phonet/socket.c
@@ -94,7 +94,28 @@ struct sock *pn_find_sock_by_sa(struct net *net, const struct sockaddr_pn *spn)
 	spin_unlock_bh(&pnsocks.lock);
 
 	return rval;
+}
+
+/* Deliver a broadcast packet (only in bottom-half) */
+void pn_deliver_sock_broadcast(struct net *net, struct sk_buff *skb)
+{
+	struct hlist_node *node;
+	struct sock *sknode;
+
+	spin_lock(&pnsocks.lock);
+	sk_for_each(sknode, node, &pnsocks.hlist) {
+		struct sk_buff *clone;
+
+		if (!net_eq(sock_net(sknode), net))
+			continue;
+		if (!sock_flag(sknode, SOCK_BROADCAST))
+			continue;
 
+		clone = skb_clone(skb, GFP_ATOMIC);
+		if (clone)
+			sk_receive_skb(sknode, clone, 0);
+	}
+	spin_unlock(&pnsocks.lock);
 }
 
 void pn_sock_hash(struct sock *sk)
-- 
GitLab


From 55748ac0468134a89bc55aed6a9691e320caa8a9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Denis-Courmont?= <remi.denis-courmont@nokia.com>
Date: Wed, 14 Oct 2009 00:48:28 +0000
Subject: [PATCH 0282/1815] Phonet: routing table backend
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The Phonet "universe" only has 64 addresses, so we keep a trivial flat
routing table.

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/phonet/pn_dev.h |   5 ++
 net/phonet/pn_dev.c         | 100 +++++++++++++++++++++++++++++++++---
 2 files changed, 99 insertions(+), 6 deletions(-)

diff --git a/include/net/phonet/pn_dev.h b/include/net/phonet/pn_dev.h
index 44c923c9e21..87b5d8112e1 100644
--- a/include/net/phonet/pn_dev.h
+++ b/include/net/phonet/pn_dev.h
@@ -47,6 +47,11 @@ u8 phonet_address_get(struct net_device *dev, u8 addr);
 int phonet_address_lookup(struct net *net, u8 addr);
 void phonet_address_notify(int event, struct net_device *dev, u8 addr);
 
+int phonet_route_add(struct net_device *dev, u8 daddr);
+int phonet_route_del(struct net_device *dev, u8 daddr);
+struct net_device *phonet_route_get(struct net *net, u8 daddr);
+struct net_device *phonet_route_output(struct net *net, u8 daddr);
+
 #define PN_NO_ADDR	0xff
 
 extern const struct file_operations pn_sock_seq_fops;
diff --git a/net/phonet/pn_dev.c b/net/phonet/pn_dev.c
index 5f42f30dd16..71fffa58778 100644
--- a/net/phonet/pn_dev.c
+++ b/net/phonet/pn_dev.c
@@ -33,8 +33,14 @@
 #include <net/netns/generic.h>
 #include <net/phonet/pn_dev.h>
 
+struct phonet_routes {
+	spinlock_t		lock;
+	struct net_device	*table[64];
+};
+
 struct phonet_net {
 	struct phonet_device_list pndevs;
+	struct phonet_routes routes;
 };
 
 int phonet_net_id;
@@ -154,10 +160,11 @@ int phonet_address_del(struct net_device *dev, u8 addr)
 }
 
 /* Gets a source address toward a destination, through a interface. */
-u8 phonet_address_get(struct net_device *dev, u8 addr)
+u8 phonet_address_get(struct net_device *dev, u8 daddr)
 {
 	struct phonet_device_list *pndevs = phonet_device_list(dev_net(dev));
 	struct phonet_device *pnd;
+	u8 saddr;
 
 	spin_lock_bh(&pndevs->lock);
 	pnd = __phonet_get(dev);
@@ -165,12 +172,26 @@ u8 phonet_address_get(struct net_device *dev, u8 addr)
 		BUG_ON(bitmap_empty(pnd->addrs, 64));
 
 		/* Use same source address as destination, if possible */
-		if (!test_bit(addr >> 2, pnd->addrs))
-			addr = find_first_bit(pnd->addrs, 64) << 2;
+		if (test_bit(daddr >> 2, pnd->addrs))
+			saddr = daddr;
+		else
+			saddr = find_first_bit(pnd->addrs, 64) << 2;
 	} else
-		addr = PN_NO_ADDR;
+		saddr = PN_NO_ADDR;
 	spin_unlock_bh(&pndevs->lock);
-	return addr;
+
+	if (saddr == PN_NO_ADDR) {
+		/* Fallback to another device */
+		struct net_device *def_dev;
+
+		def_dev = phonet_device_get(dev_net(dev));
+		if (def_dev) {
+			if (def_dev != dev)
+				saddr = phonet_address_get(def_dev, daddr);
+			dev_put(def_dev);
+		}
+	}
+	return saddr;
 }
 
 int phonet_address_lookup(struct net *net, u8 addr)
@@ -246,7 +267,7 @@ static struct notifier_block phonet_device_notifier = {
 /* Per-namespace Phonet devices handling */
 static int phonet_init_net(struct net *net)
 {
-	struct phonet_net *pnn = kmalloc(sizeof(*pnn), GFP_KERNEL);
+	struct phonet_net *pnn = kzalloc(sizeof(*pnn), GFP_KERNEL);
 	if (!pnn)
 		return -ENOMEM;
 
@@ -257,6 +278,7 @@ static int phonet_init_net(struct net *net)
 
 	INIT_LIST_HEAD(&pnn->pndevs.list);
 	spin_lock_init(&pnn->pndevs.lock);
+	spin_lock_init(&pnn->routes.lock);
 	net_assign_generic(net, phonet_net_id, pnn);
 	return 0;
 }
@@ -300,3 +322,69 @@ void phonet_device_exit(void)
 	unregister_netdevice_notifier(&phonet_device_notifier);
 	unregister_pernet_gen_device(phonet_net_id, &phonet_net_ops);
 }
+
+int phonet_route_add(struct net_device *dev, u8 daddr)
+{
+	struct phonet_net *pnn = net_generic(dev_net(dev), phonet_net_id);
+	struct phonet_routes *routes = &pnn->routes;
+	int err = -EEXIST;
+
+	daddr = daddr >> 2;
+	spin_lock_bh(&routes->lock);
+	if (routes->table[daddr] == NULL) {
+		routes->table[daddr] = dev;
+		dev_hold(dev);
+		err = 0;
+	}
+	spin_unlock_bh(&routes->lock);
+	return err;
+}
+
+int phonet_route_del(struct net_device *dev, u8 daddr)
+{
+	struct phonet_net *pnn = net_generic(dev_net(dev), phonet_net_id);
+	struct phonet_routes *routes = &pnn->routes;
+	int err = -ENOENT;
+
+	daddr = daddr >> 2;
+	spin_lock_bh(&routes->lock);
+	if (dev == routes->table[daddr]) {
+		routes->table[daddr] = NULL;
+		dev_put(dev);
+		err = 0;
+	}
+	spin_unlock_bh(&routes->lock);
+	return err;
+}
+
+struct net_device *phonet_route_get(struct net *net, u8 daddr)
+{
+	struct phonet_net *pnn = net_generic(net, phonet_net_id);
+	struct phonet_routes *routes = &pnn->routes;
+	struct net_device *dev;
+
+	ASSERT_RTNL(); /* no need to hold the device */
+
+	daddr >>= 2;
+	spin_lock_bh(&routes->lock);
+	dev = routes->table[daddr];
+	spin_unlock_bh(&routes->lock);
+	return dev;
+}
+
+struct net_device *phonet_route_output(struct net *net, u8 daddr)
+{
+	struct phonet_net *pnn = net_generic(net, phonet_net_id);
+	struct phonet_routes *routes = &pnn->routes;
+	struct net_device *dev;
+
+	spin_lock_bh(&routes->lock);
+	dev = routes->table[daddr >> 2];
+	if (dev)
+		dev_hold(dev);
+	spin_unlock_bh(&routes->lock);
+
+	if (!dev)
+		dev = phonet_device_get(net); /* Default route */
+	return dev;
+}
-- 
GitLab


From f062f41d06575744b9eaf725eef8a5d3b5f5b7ca Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Denis-Courmont?= <remi.denis-courmont@nokia.com>
Date: Wed, 14 Oct 2009 00:48:29 +0000
Subject: [PATCH 0283/1815] Phonet: routing table Netlink interface
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/phonet/pn_dev.h |   1 +
 net/phonet/pn_dev.c         |  31 +++++++++
 net/phonet/pn_netlink.c     | 130 ++++++++++++++++++++++++++++++++++++
 3 files changed, 162 insertions(+)

diff --git a/include/net/phonet/pn_dev.h b/include/net/phonet/pn_dev.h
index 87b5d8112e1..afa7defceb1 100644
--- a/include/net/phonet/pn_dev.h
+++ b/include/net/phonet/pn_dev.h
@@ -49,6 +49,7 @@ void phonet_address_notify(int event, struct net_device *dev, u8 addr);
 
 int phonet_route_add(struct net_device *dev, u8 daddr);
 int phonet_route_del(struct net_device *dev, u8 daddr);
+void rtm_phonet_notify(int event, struct net_device *dev, u8 dst);
 struct net_device *phonet_route_get(struct net *net, u8 daddr);
 struct net_device *phonet_route_output(struct net *net, u8 daddr);
 
diff --git a/net/phonet/pn_dev.c b/net/phonet/pn_dev.c
index 71fffa58778..6d64fda1afc 100644
--- a/net/phonet/pn_dev.c
+++ b/net/phonet/pn_dev.c
@@ -240,6 +240,27 @@ static int phonet_device_autoconf(struct net_device *dev)
 	return 0;
 }
 
+static void phonet_route_autodel(struct net_device *dev)
+{
+	struct phonet_net *pnn = net_generic(dev_net(dev), phonet_net_id);
+	unsigned i;
+	DECLARE_BITMAP(deleted, 64);
+
+	/* Remove left-over Phonet routes */
+	bitmap_zero(deleted, 64);
+	spin_lock_bh(&pnn->routes.lock);
+	for (i = 0; i < 64; i++)
+		if (dev == pnn->routes.table[i]) {
+			set_bit(i, deleted);
+			pnn->routes.table[i] = NULL;
+			dev_put(dev);
+		}
+	spin_unlock_bh(&pnn->routes.lock);
+	for (i = find_first_bit(deleted, 64); i < 64;
+			i = find_next_bit(deleted, 64, i + 1))
+		rtm_phonet_notify(RTM_DELROUTE, dev, i);
+}
+
 /* notify Phonet of device events */
 static int phonet_device_notify(struct notifier_block *me, unsigned long what,
 				void *arg)
@@ -253,6 +274,7 @@ static int phonet_device_notify(struct notifier_block *me, unsigned long what,
 		break;
 	case NETDEV_UNREGISTER:
 		phonet_device_destroy(dev);
+		phonet_route_autodel(dev);
 		break;
 	}
 	return 0;
@@ -287,10 +309,19 @@ static void phonet_exit_net(struct net *net)
 {
 	struct phonet_net *pnn = net_generic(net, phonet_net_id);
 	struct net_device *dev;
+	unsigned i;
 
 	rtnl_lock();
 	for_each_netdev(net, dev)
 		phonet_device_destroy(dev);
+
+	for (i = 0; i < 64; i++) {
+		dev = pnn->routes.table[i];
+		if (dev) {
+			rtm_phonet_notify(RTM_DELROUTE, dev, i);
+			dev_put(dev);
+		}
+	}
 	rtnl_unlock();
 
 	proc_net_remove(net, "phonet");
diff --git a/net/phonet/pn_netlink.c b/net/phonet/pn_netlink.c
index d21fd357661..d8f5d3fb9ee 100644
--- a/net/phonet/pn_netlink.c
+++ b/net/phonet/pn_netlink.c
@@ -29,6 +29,8 @@
 #include <net/sock.h>
 #include <net/phonet/pn_dev.h>
 
+/* Device address handling */
+
 static int fill_addr(struct sk_buff *skb, struct net_device *dev, u8 addr,
 		     u32 pid, u32 seq, int event);
 
@@ -160,6 +162,131 @@ out:
 	return skb->len;
 }
 
+/* Routes handling */
+
+static int fill_route(struct sk_buff *skb, struct net_device *dev, u8 dst,
+			u32 pid, u32 seq, int event)
+{
+	struct rtmsg *rtm;
+	struct nlmsghdr *nlh;
+
+	nlh = nlmsg_put(skb, pid, seq, event, sizeof(*rtm), 0);
+	if (nlh == NULL)
+		return -EMSGSIZE;
+
+	rtm = nlmsg_data(nlh);
+	rtm->rtm_family = AF_PHONET;
+	rtm->rtm_dst_len = 6;
+	rtm->rtm_src_len = 0;
+	rtm->rtm_tos = 0;
+	rtm->rtm_table = RT_TABLE_MAIN;
+	rtm->rtm_protocol = RTPROT_STATIC;
+	rtm->rtm_scope = RT_SCOPE_UNIVERSE;
+	rtm->rtm_type = RTN_UNICAST;
+	rtm->rtm_flags = 0;
+	NLA_PUT_U8(skb, RTA_DST, dst);
+	NLA_PUT_U32(skb, RTA_OIF, dev->ifindex);
+	return nlmsg_end(skb, nlh);
+
+nla_put_failure:
+	nlmsg_cancel(skb, nlh);
+	return -EMSGSIZE;
+}
+
+void rtm_phonet_notify(int event, struct net_device *dev, u8 dst)
+{
+	struct sk_buff *skb;
+	int err = -ENOBUFS;
+
+	skb = nlmsg_new(NLMSG_ALIGN(sizeof(struct ifaddrmsg)) +
+			nla_total_size(1) + nla_total_size(4), GFP_KERNEL);
+	if (skb == NULL)
+		goto errout;
+	err = fill_route(skb, dev, dst, 0, 0, event);
+	if (err < 0) {
+		WARN_ON(err == -EMSGSIZE);
+		kfree_skb(skb);
+		goto errout;
+	}
+	rtnl_notify(skb, dev_net(dev), 0,
+			  RTNLGRP_PHONET_ROUTE, NULL, GFP_KERNEL);
+	return;
+errout:
+	if (err < 0)
+		rtnl_set_sk_err(dev_net(dev), RTNLGRP_PHONET_ROUTE, err);
+}
+
+static const struct nla_policy rtm_phonet_policy[RTA_MAX+1] = {
+	[RTA_DST] = { .type = NLA_U8 },
+	[RTA_OIF] = { .type = NLA_U32 },
+};
+
+static int route_doit(struct sk_buff *skb, struct nlmsghdr *nlh, void *attr)
+{
+	struct net *net = sock_net(skb->sk);
+	struct nlattr *tb[RTA_MAX+1];
+	struct net_device *dev;
+	struct rtmsg *rtm;
+	int err;
+	u8 dst;
+
+	if (!capable(CAP_SYS_ADMIN))
+		return -EPERM;
+
+	ASSERT_RTNL();
+
+	err = nlmsg_parse(nlh, sizeof(*rtm), tb, RTA_MAX, rtm_phonet_policy);
+	if (err < 0)
+		return err;
+
+	rtm = nlmsg_data(nlh);
+	if (rtm->rtm_table != RT_TABLE_MAIN || rtm->rtm_type != RTN_UNICAST)
+		return -EINVAL;
+	if (tb[RTA_DST] == NULL || tb[RTA_OIF] == NULL)
+		return -EINVAL;
+	dst = nla_get_u8(tb[RTA_DST]);
+	if (dst & 3) /* Phonet addresses only have 6 high-order bits */
+		return -EINVAL;
+
+	dev = __dev_get_by_index(net, nla_get_u32(tb[RTA_OIF]));
+	if (dev == NULL)
+		return -ENODEV;
+
+	if (nlh->nlmsg_type == RTM_NEWROUTE)
+		err = phonet_route_add(dev, dst);
+	else
+		err = phonet_route_del(dev, dst);
+	if (!err)
+		rtm_phonet_notify(nlh->nlmsg_type, dev, dst);
+	return err;
+}
+
+static int route_dumpit(struct sk_buff *skb, struct netlink_callback *cb)
+{
+	struct net *net = sock_net(skb->sk);
+	u8 addr, addr_idx = 0, addr_start_idx = cb->args[0];
+
+	for (addr = 0; addr < 64; addr++) {
+		struct net_device *dev;
+
+		dev = phonet_route_get(net, addr << 2);
+		if (!dev)
+			continue;
+
+		if (addr_idx++ < addr_start_idx)
+			continue;
+		if (fill_route(skb, dev, addr << 2, NETLINK_CB(cb->skb).pid,
+				cb->nlh->nlmsg_seq, RTM_NEWROUTE))
+			goto out;
+	}
+
+out:
+	cb->args[0] = addr_idx;
+	cb->args[1] = 0;
+
+	return skb->len;
+}
+
 int __init phonet_netlink_register(void)
 {
 	int err = __rtnl_register(PF_PHONET, RTM_NEWADDR, addr_doit, NULL);
@@ -169,5 +296,8 @@ int __init phonet_netlink_register(void)
 	/* Further __rtnl_register() cannot fail */
 	__rtnl_register(PF_PHONET, RTM_DELADDR, addr_doit, NULL);
 	__rtnl_register(PF_PHONET, RTM_GETADDR, NULL, getaddr_dumpit);
+	__rtnl_register(PF_PHONET, RTM_NEWROUTE, route_doit, NULL);
+	__rtnl_register(PF_PHONET, RTM_DELROUTE, route_doit, NULL);
+	__rtnl_register(PF_PHONET, RTM_GETROUTE, NULL, route_dumpit);
 	return 0;
 }
-- 
GitLab


From aa6c45f32f7db292f8f6a76d7b39c19007d6a456 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Denis-Courmont?= <remi.denis-courmont@nokia.com>
Date: Wed, 14 Oct 2009 00:48:30 +0000
Subject: [PATCH 0284/1815] Phonet: route outgoing packets
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/phonet/af_phonet.c | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c
index b113fe00c15..cc2eef169a8 100644
--- a/net/phonet/af_phonet.c
+++ b/net/phonet/af_phonet.c
@@ -190,9 +190,8 @@ static int pn_send(struct sk_buff *skb, struct net_device *dev,
 	skb->priority = 0;
 	skb->dev = dev;
 
-	if (pn_addr(src) == pn_addr(dst)) {
+	if (skb->pkt_type == PACKET_LOOPBACK) {
 		skb_reset_mac_header(skb);
-		skb->pkt_type = PACKET_LOOPBACK;
 		skb_orphan(skb);
 		if (irq)
 			netif_rx(skb);
@@ -222,6 +221,9 @@ static int pn_raw_send(const void *data, int len, struct net_device *dev,
 	if (skb == NULL)
 		return -ENOMEM;
 
+	if (phonet_address_lookup(dev_net(dev), pn_addr(dst)) == 0)
+		skb->pkt_type = PACKET_LOOPBACK;
+
 	skb_reserve(skb, MAX_PHONET_HEADER);
 	__skb_put(skb, len);
 	skb_copy_to_linear_data(skb, data, len);
@@ -235,6 +237,7 @@ static int pn_raw_send(const void *data, int len, struct net_device *dev,
 int pn_skb_send(struct sock *sk, struct sk_buff *skb,
 		const struct sockaddr_pn *target)
 {
+	struct net *net = sock_net(sk);
 	struct net_device *dev;
 	struct pn_sock *pn = pn_sk(sk);
 	int err;
@@ -243,9 +246,13 @@ int pn_skb_send(struct sock *sk, struct sk_buff *skb,
 
 	err = -EHOSTUNREACH;
 	if (sk->sk_bound_dev_if)
-		dev = dev_get_by_index(sock_net(sk), sk->sk_bound_dev_if);
-	else
-		dev = phonet_device_get(sock_net(sk));
+		dev = dev_get_by_index(net, sk->sk_bound_dev_if);
+	else if (phonet_address_lookup(net, daddr) == 0) {
+		dev = phonet_device_get(net);
+		skb->pkt_type = PACKET_LOOPBACK;
+	} else
+		dev = phonet_route_output(net, daddr);
+
 	if (!dev || !(dev->flags & IFF_UP))
 		goto drop;
 
-- 
GitLab


From 86a0a1e52d0918125ffc21475537a032f9a71d7c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Denis-Courmont?= <remi.denis-courmont@nokia.com>
Date: Wed, 14 Oct 2009 00:48:31 +0000
Subject: [PATCH 0285/1815] Phonet: forward incoming packets
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/phonet/af_phonet.c | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c
index cc2eef169a8..66737aa995e 100644
--- a/net/phonet/af_phonet.c
+++ b/net/phonet/af_phonet.c
@@ -394,6 +394,38 @@ static int phonet_rcv(struct sk_buff *skb, struct net_device *dev,
 			send_obj_unreachable(skb);
 			send_reset_indications(skb);
 		}
+	} else if (unlikely(skb->pkt_type == PACKET_LOOPBACK))
+		goto out; /* Race between address deletion and loopback */
+	else {
+		/* Phonet packet routing */
+		struct net_device *out_dev;
+
+		out_dev = phonet_route_output(net, pn_sockaddr_get_addr(&sa));
+		if (!out_dev) {
+			LIMIT_NETDEBUG(KERN_WARNING"No Phonet route to %02X\n",
+					pn_sockaddr_get_addr(&sa));
+			goto out;
+		}
+
+		__skb_push(skb, sizeof(struct phonethdr));
+		skb->dev = out_dev;
+		if (out_dev == dev) {
+			LIMIT_NETDEBUG(KERN_ERR"Phonet loop to %02X on %s\n",
+					pn_sockaddr_get_addr(&sa), dev->name);
+			goto out_dev;
+		}
+		/* Some drivers (e.g. TUN) do not allocate HW header space */
+		if (skb_cow_head(skb, out_dev->hard_header_len))
+			goto out_dev;
+
+		if (dev_hard_header(skb, out_dev, ETH_P_PHONET, NULL, NULL,
+					skb->len) < 0)
+			goto out_dev;
+		dev_queue_xmit(skb);
+		dev_put(out_dev);
+		return NET_RX_SUCCESS;
+out_dev:
+		dev_put(out_dev);
 	}
 
 out:
-- 
GitLab


From 48bccd25df71f4f8177cb800f4b288222eb57761 Mon Sep 17 00:00:00 2001
From: Thomas Sailer <t.sailer@alumni.ethz.ch>
Date: Wed, 14 Oct 2009 15:15:24 -0700
Subject: [PATCH 0286/1815] hamradio: Fix bit test correctly.

Signed-off-by: Thomas Sailer <t.sailer@alumni.ethz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/hamradio/baycom_epp.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/net/hamradio/baycom_epp.c b/drivers/net/hamradio/baycom_epp.c
index ee06a13ba0f..b3cf95d7604 100644
--- a/drivers/net/hamradio/baycom_epp.c
+++ b/drivers/net/hamradio/baycom_epp.c
@@ -595,17 +595,16 @@ static int receive(struct net_device *dev, int cnt)
 					if (!(notbitstream & (0x1fc << j)))
 						state = 0;
 
-					/* not flag received */
-					else if ((bitstream & (0x1fe << j)) !=
-							(0x0fc << j)) {
+					/* flag received */
+					else if ((bitstream & (0x1fe << j)) == (0x0fc << j)) {
 						if (state)
 							do_rxpacket(dev);
 						bc->hdlcrx.bufcnt = 0;
 						bc->hdlcrx.bufptr = bc->hdlcrx.buf;
 						state = 1;
 						numbits = 7-j;
-						}
 					}
+				}
 
 				/* stuffed bit */
 				else if (unlikely((bitstream & (0x1f8 << j)) == (0xf8 << j))) {
-- 
GitLab


From 766e9037cc139ee25ed93ee5ad11e1450c4b99f6 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 14 Oct 2009 20:40:11 -0700
Subject: [PATCH 0287/1815] net: sk_drops consolidation

sock_queue_rcv_skb() can update sk_drops itself, removing need for
callers to take care of it. This is more consistent since
sock_queue_rcv_skb() also reads sk_drops when queueing a skb.

This adds sk_drops managment to many protocols that not cared yet.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/sock.c        | 15 +++++++--------
 net/ieee802154/dgram.c |  1 -
 net/ieee802154/raw.c   |  1 -
 net/ipv4/raw.c         |  1 -
 net/ipv4/udp.c         | 19 ++++++++-----------
 net/ipv6/raw.c         |  3 +--
 net/ipv6/udp.c         |  6 ++----
 net/phonet/datagram.c  |  6 ++----
 net/phonet/pep.c       |  2 --
 9 files changed, 20 insertions(+), 34 deletions(-)

diff --git a/net/core/sock.c b/net/core/sock.c
index 43ca2c99539..38713aa3faf 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -274,7 +274,7 @@ static void sock_disable_timestamp(struct sock *sk, int flag)
 
 int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
 {
-	int err = 0;
+	int err;
 	int skb_len;
 	unsigned long flags;
 	struct sk_buff_head *list = &sk->sk_receive_queue;
@@ -284,17 +284,17 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
 	 */
 	if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >=
 	    (unsigned)sk->sk_rcvbuf) {
-		err = -ENOMEM;
-		goto out;
+		atomic_inc(&sk->sk_drops);
+		return -ENOMEM;
 	}
 
 	err = sk_filter(sk, skb);
 	if (err)
-		goto out;
+		return err;
 
 	if (!sk_rmem_schedule(sk, skb->truesize)) {
-		err = -ENOBUFS;
-		goto out;
+		atomic_inc(&sk->sk_drops);
+		return -ENOBUFS;
 	}
 
 	skb->dev = NULL;
@@ -314,8 +314,7 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
 
 	if (!sock_flag(sk, SOCK_DEAD))
 		sk->sk_data_ready(sk, skb_len);
-out:
-	return err;
+	return 0;
 }
 EXPORT_SYMBOL(sock_queue_rcv_skb);
 
diff --git a/net/ieee802154/dgram.c b/net/ieee802154/dgram.c
index 25ad956a39d..9aac5aee157 100644
--- a/net/ieee802154/dgram.c
+++ b/net/ieee802154/dgram.c
@@ -318,7 +318,6 @@ out:
 static int dgram_rcv_skb(struct sock *sk, struct sk_buff *skb)
 {
 	if (sock_queue_rcv_skb(sk, skb) < 0) {
-		atomic_inc(&sk->sk_drops);
 		kfree_skb(skb);
 		return NET_RX_DROP;
 	}
diff --git a/net/ieee802154/raw.c b/net/ieee802154/raw.c
index 769c8d138fc..9c9b85c0003 100644
--- a/net/ieee802154/raw.c
+++ b/net/ieee802154/raw.c
@@ -206,7 +206,6 @@ out:
 static int raw_rcv_skb(struct sock *sk, struct sk_buff *skb)
 {
 	if (sock_queue_rcv_skb(sk, skb) < 0) {
-		atomic_inc(&sk->sk_drops);
 		kfree_skb(skb);
 		return NET_RX_DROP;
 	}
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index f18172b0761..39e2a6b8752 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -292,7 +292,6 @@ static int raw_rcv_skb(struct sock * sk, struct sk_buff * skb)
 	/* Charge it to the socket. */
 
 	if (sock_queue_rcv_skb(sk, skb) < 0) {
-		atomic_inc(&sk->sk_drops);
 		kfree_skb(skb);
 		return NET_RX_DROP;
 	}
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index ee61b3fc4ca..45a8a7e374d 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1063,25 +1063,22 @@ EXPORT_SYMBOL(udp_lib_unhash);
 
 static int __udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
 {
-	int is_udplite = IS_UDPLITE(sk);
-	int rc;
+	int rc = sock_queue_rcv_skb(sk, skb);
+
+	if (rc < 0) {
+		int is_udplite = IS_UDPLITE(sk);
 
-	if ((rc = sock_queue_rcv_skb(sk, skb)) < 0) {
 		/* Note that an ENOMEM error is charged twice */
-		if (rc == -ENOMEM) {
+		if (rc == -ENOMEM)
 			UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_RCVBUFERRORS,
 					 is_udplite);
-			atomic_inc(&sk->sk_drops);
-		}
-		goto drop;
+		UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
+		kfree_skb(skb);
+		return -1;
 	}
 
 	return 0;
 
-drop:
-	UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
-	kfree_skb(skb);
-	return -1;
 }
 
 /* returns:
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index d8375bc7f2d..fd737efed96 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -381,8 +381,7 @@ static inline int rawv6_rcv_skb(struct sock * sk, struct sk_buff * skb)
 	}
 
 	/* Charge it to the socket. */
-	if (sock_queue_rcv_skb(sk,skb)<0) {
-		atomic_inc(&sk->sk_drops);
+	if (sock_queue_rcv_skb(sk, skb) < 0) {
 		kfree_skb(skb);
 		return NET_RX_DROP;
 	}
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 1f8e2afa449..b86425b7ea2 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -385,13 +385,11 @@ int udpv6_queue_rcv_skb(struct sock * sk, struct sk_buff *skb)
 			goto drop;
 	}
 
-	if ((rc = sock_queue_rcv_skb(sk,skb)) < 0) {
+	if ((rc = sock_queue_rcv_skb(sk, skb)) < 0) {
 		/* Note that an ENOMEM error is charged twice */
-		if (rc == -ENOMEM) {
+		if (rc == -ENOMEM)
 			UDP6_INC_STATS_BH(sock_net(sk),
 					UDP_MIB_RCVBUFERRORS, is_udplite);
-			atomic_inc(&sk->sk_drops);
-		}
 		goto drop;
 	}
 
diff --git a/net/phonet/datagram.c b/net/phonet/datagram.c
index ef5c75c372e..67f072e94d0 100644
--- a/net/phonet/datagram.c
+++ b/net/phonet/datagram.c
@@ -159,11 +159,9 @@ out_nofree:
 static int pn_backlog_rcv(struct sock *sk, struct sk_buff *skb)
 {
 	int err = sock_queue_rcv_skb(sk, skb);
-	if (err < 0) {
+
+	if (err < 0)
 		kfree_skb(skb);
-		if (err == -ENOMEM)
-			atomic_inc(&sk->sk_drops);
-	}
 	return err ? NET_RX_DROP : NET_RX_SUCCESS;
 }
 
diff --git a/net/phonet/pep.c b/net/phonet/pep.c
index 5f32d217535..cbaa1d67d77 100644
--- a/net/phonet/pep.c
+++ b/net/phonet/pep.c
@@ -360,8 +360,6 @@ static int pipe_do_rcv(struct sock *sk, struct sk_buff *skb)
 			err = sock_queue_rcv_skb(sk, skb);
 			if (!err)
 				return 0;
-			if (err == -ENOMEM)
-				atomic_inc(&sk->sk_drops);
 			break;
 		}
 
-- 
GitLab


From 09115cd42b52704ebd1789524e3e318963a5558d Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Wed, 14 Oct 2009 21:32:43 -0700
Subject: [PATCH 0288/1815] sparc: Add missing __NR_recvmmsg define.

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 arch/sparc/include/asm/unistd.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/sparc/include/asm/unistd.h b/arch/sparc/include/asm/unistd.h
index 42f2316c3ea..d8d25bd9712 100644
--- a/arch/sparc/include/asm/unistd.h
+++ b/arch/sparc/include/asm/unistd.h
@@ -396,8 +396,9 @@
 #define __NR_pwritev		325
 #define __NR_rt_tgsigqueueinfo	326
 #define __NR_perf_event_open	327
+#define __NR_recvmmsg		328
 
-#define NR_SYSCALLS		328
+#define NR_SYSCALLS		329
 
 #ifdef __32bit_syscall_numbers__
 /* Sparc 32-bit only has the "setresuid32", "getresuid32" variants,
-- 
GitLab


From 69dc2df3aaee2ce5e875b14b7271436559be9a95 Mon Sep 17 00:00:00 2001
From: Eilon Greenstein <eilong@broadcom.com>
Date: Thu, 15 Oct 2009 00:16:27 -0700
Subject: [PATCH 0289/1815] bnx2x: Add FW 5.2.7

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 firmware/bnx2x-e1-5.2.7.0.fw.ihex  | 10178 +++++++++++++++++++++
 firmware/bnx2x-e1h-5.2.7.0.fw.ihex | 12847 +++++++++++++++++++++++++++
 2 files changed, 23025 insertions(+)
 create mode 100644 firmware/bnx2x-e1-5.2.7.0.fw.ihex
 create mode 100644 firmware/bnx2x-e1h-5.2.7.0.fw.ihex

diff --git a/firmware/bnx2x-e1-5.2.7.0.fw.ihex b/firmware/bnx2x-e1-5.2.7.0.fw.ihex
new file mode 100644
index 00000000000..a99c41c993b
--- /dev/null
+++ b/firmware/bnx2x-e1-5.2.7.0.fw.ihex
@@ -0,0 +1,10178 @@
+:10000000000028B0000000600000068800002918E9
+:100010000000161400002FA800000098000045C042
+:10002000000073C400004660000000CC0000BA2845
+:10003000000099A00000BAF800000094000154A04C
+:10004000000057BC00015538000000B80001ACF8B2
+:100050000000CE2C0001ADB80000000400027BE8D7
+:10006000020400480000000F020400540000004594
+:1000700002040058000000840204005C0000000636
+:100080000204007000000004020400780000000078
+:100090000204007C121700000204008022170000F6
+:1000A00002040084321700000604008800000005E6
+:1000B0000204009C12150000020400A0221500009A
+:1000C000020400A432150000060400A80000000489
+:1000D000020400B802100000020400BC001000007E
+:1000E000020400C010100000020400C42010000030
+:1000F000020400C830100000060400CC0000000418
+:10010000020400DC00100000020400E012140000F1
+:10011000020400E422140000020400E8321400008B
+:10012000060400EC000000040104012400000000AB
+:1001300001040128000000000104012C000000005F
+:10014000010401300000000002040004000000FF70
+:1001500002040008000000FF0204000C000000FF81
+:1001600002040010000000FF02040014000000FF61
+:1001700002040018000000FF0204001C000000FF41
+:1001800002040020000000FF020400240000003EE2
+:1001900002040028000000000204002C0000003FC0
+:1001A000020400300000003F020400340000003F61
+:1001B00002040038000000000204003C0000003F80
+:1001C000020400400000003F020400440000003F21
+:1001D00002042008000004110204200C00000400A6
+:1001E000020420100000040402042014000004197A
+:1001F0000204201C0000FFFF020420200000FFFF7B
+:10020000020420240000FFFF020420280000FFFF5A
+:1002100006042038000000020204204000000034E0
+:100220000204204400000035060420480000007C41
+:100230000204223807FFFFFF0204223C0000003FB7
+:100240000204224007FFFFFF020422440000000FC7
+:1002500001042248000000000104224C00000000BC
+:10026000010422500000000001042254000000009C
+:1002700001042258000000000104225C000000007C
+:10028000010422600000000001042264000000005C
+:1002900001042268000000000104226C000000003C
+:1002A000010422700000000001042274000000001C
+:1002B00001042278000000000104227C00000000FC
+:1002C000020424BC000000010C042000000003E82C
+:1002D0000A042000000000010B0420000000000AB6
+:1002E0000205004400000020020500480000003222
+:1002F000020500900215002002050094021500205E
+:1003000002050098000000300205009C0810000063
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+:10033000020500B000000005020500B40000000640
+:10034000020500B800000002020500BC0000000227
+:10035000020500C000000000020500C40000000506
+:10036000020500C800000002020500CC00000002E7
+:10037000020500D000000002020500D400000001C8
+:1003800002050114000000010205011C000000012B
+:100390000205012000000002020502040000000125
+:1003A0000205020C0000004002050210000000409F
+:1003B0000205021C000000200205022000000013BC
+:1003C0000205022400000020060502400000000A89
+:1003D0000405028000200000020500500000000714
+:1003E0000205005400000007020500580000000844
+:1003F0000205005C00000008060500600000000423
+:10040000020500D800000006020500E00000000D13
+:10041000020500E40000002D020500E800000007CE
+:10042000020500EC00000027020500F000000007B4
+:10043000020500F400000027020500F80000000794
+:10044000020500FC00000027020500040000000176
+:1004500002050008000000010205000C0000000178
+:100460000205001000000001020500140000000158
+:1004700002050018000000010205001C0000000138
+:100480000205002000000001020500240000000118
+:1004900002050028000000010205002C00000001F8
+:1004A00002050030000000010205003400000001D8
+:1004B00002050038000000010205003C00000001B8
+:1004C00002050040000000010406100002000020A8
+:1004D000020600DC00000001010600D80000000058
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+:1004F00002060068000000B802060078000001143F
+:10050000010600B800000000010600C8000000005D
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+:10052000010600BC00000000010600CC0000000035
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+:100560000118000000000000011800040000000055
+:1005700001180008000000000118000C0000000035
+:100580000118001000000000011800140000000015
+:1005900002180020000000010218002400000002E0
+:1005A00002180028000000030218002C00000000C0
+:1005B000021800300000000402180034000000019E
+:1005C00002180038000000000218003C0000000182
+:1005D000021800400000000402180044000000005F
+:1005E00002180048000000010218004C000000033F
+:1005F0000218005000000000021800540000000122
+:1006000002180058000000040218005C00000000FE
+:1006100002180060000000010218006400000003DE
+:1006200002180068000000000218006C00000001C1
+:10063000021800700000000402180074000000009E
+:1006400002180078000000040218007C000000037B
+:100650000618008000000002021800A400003FFFFE
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+:1006700002180234000000000218024C00000000C2
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+:10072000061A081000000004041A1FB00005022871
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+:100DD000020D002400000001020D002800000001A7
+:100DE000020D002C00000001020D00300000000187
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+:10103000013000100000000001300014000000002A
+:1010400002300020000000010230002400000002F5
+:1010500002300028000000030230002C00000000D5
+:1010600002300030000000040230003400000001B3
+:1010700002300038000000000230003C0000000197
+:101080000230004000000004023000440000000074
+:1010900002300048000000010230004C0000000354
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+:1010B00002300058000000040230005C0000000014
+:1010C00002300060000000010230006400000003F4
+:1010D00002300068000000000230006C00000001D7
+:1010E00002300070000000040230007400000000B4
+:1010F00002300078000000040230007C0000000391
+:101100000630008000000002023000A400003FFF13
+:10111000023000A8000003FF02300224000000009B
+:1011200002300234000000000230024C00000000D7
+:10113000023002E40000FFFF06302000000008003B
+:1011400002338BC000000001023380000000001A4F
+:10115000023380400000004E023380800000001007
+:10116000023380C0000000200C3383000007A12060
+:101170000A338300000001380B338300000013881A
+:10118000023383C0000001F40C3383801DCD650061
+:101190000A3383800004C4B40B338380004C4B407B
+:1011A00006321AA0000000C206321020000000C85B
+:1011B0000632100000000002063214000000004059
+:1011C00006325098000000040632508000000005EE
+:1011D00004325094000102860632500000000020C4
+:1011E00004322830000202870233080001000000A8
+:1011F00004330C00001002890233080000000000D4
+:1012000004330C400010029906321500000000B4AF
+:1012100002321DC80000000006324000000000D865
+:10122000063217D0000000B402321DCC00000000CE
+:1012300006324360000000D807200400009200003E
+:1012400008200780001002A9072400002CD100000C
+:10125000072480002AE50B350824DC6062DA02AB43
+:101260000120000000000000012000040000000038
+:1012700001200008000000000120000C0000000018
+:1012800001200010000000000120001400000000F8
+:1012900002200020000000010220002400000002C3
+:1012A00002200028000000030220002C00000000A3
+:1012B0000220003000000004022000340000000181
+:1012C00002200038000000000220003C0000000165
+:1012D0000220004000000004022000440000000042
+:1012E00002200048000000010220004C0000000322
+:1012F0000220005000000000022000540000000105
+:1013000002200058000000040220005C00000000E1
+:1013100002200060000000010220006400000003C1
+:1013200002200068000000000220006C00000001A4
+:101330000220007000000004022000740000000081
+:1013400002200078000000040220007C000000035E
+:101350000620008000000002022000A400003FFFE1
+:10136000022000A8000003FF022002240000000069
+:1013700002200234000000000220024C00000000A5
+:10138000022002E40000FFFF062020000000080009
+:1013900002238BC000000001022380000000001027
+:1013A00002238040000000120223808000000030F1
+:1013B000022380C00000000E022383C0000001F45D
+:1013C000062250000000004206221020000000C843
+:1013D000062210000000000206222000000000C0CB
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diff --git a/firmware/bnx2x-e1h-5.2.7.0.fw.ihex b/firmware/bnx2x-e1h-5.2.7.0.fw.ihex
new file mode 100644
index 00000000000..280bbcf4f2a
--- /dev/null
+++ b/firmware/bnx2x-e1h-5.2.7.0.fw.ihex
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-- 
GitLab


From b015e3d112cab1880d262c56655c3ff60e179ceb Mon Sep 17 00:00:00 2001
From: Eilon Greenstein <eilong@broadcom.com>
Date: Thu, 15 Oct 2009 00:17:20 -0700
Subject: [PATCH 0290/1815] bnx2x: Allowing 0 as initial fairness value

Value of zero was used to disable the fairness mechanism. Though the code
(driver and FW) allowed changing the value at run time, it did not allow to do
that if the mechanism was disabled to begin with.
Fixed the FW to allow turning on and off the mechanism at run time. Fixed the
code to read the value from the chip at the right sequence.
Without this fix, if the initial value was set to zero, traffic could not run on
the interface.

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2x_hsi.h  |  4 +--
 drivers/net/bnx2x_main.c | 56 ++++++++++++++++++++--------------------
 firmware/Makefile        |  2 +-
 firmware/WHENCE          |  4 +--
 4 files changed, 33 insertions(+), 33 deletions(-)

diff --git a/drivers/net/bnx2x_hsi.h b/drivers/net/bnx2x_hsi.h
index 994743d892e..dc2f8ed5fd0 100644
--- a/drivers/net/bnx2x_hsi.h
+++ b/drivers/net/bnx2x_hsi.h
@@ -1259,8 +1259,8 @@ struct host_func_stats {
 
 
 #define BCM_5710_FW_MAJOR_VERSION			5
-#define BCM_5710_FW_MINOR_VERSION			0
-#define BCM_5710_FW_REVISION_VERSION			21
+#define BCM_5710_FW_MINOR_VERSION			2
+#define BCM_5710_FW_REVISION_VERSION			7
 #define BCM_5710_FW_ENGINEERING_VERSION 		0
 #define BCM_5710_FW_COMPILE_FLAGS			1
 
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index b4e9c6ebac5..691cf154189 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -2333,8 +2333,14 @@ static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp)
 	}
 
 	/* ... only if all min rates are zeros - disable fairness */
-	if (all_zero)
-		bp->vn_weight_sum = 0;
+	if (all_zero) {
+		bp->cmng.flags.cmng_enables &=
+					~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
+		DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
+		   "  fairness will be disabled\n");
+	} else
+		bp->cmng.flags.cmng_enables |=
+					CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
 }
 
 static void bnx2x_init_vn_minmax(struct bnx2x *bp, int func)
@@ -2353,17 +2359,14 @@ static void bnx2x_init_vn_minmax(struct bnx2x *bp, int func)
 	} else {
 		vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
 				FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
-		/* If fairness is enabled (not all min rates are zeroes) and
-		   if current min rate is zero - set it to 1.
-		   This is a requirement of the algorithm. */
-		if (bp->vn_weight_sum && (vn_min_rate == 0))
+		/* If min rate is zero - set it to 1 */
+		if (!vn_min_rate)
 			vn_min_rate = DEF_MIN_RATE;
 		vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
 				FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
 	}
-
 	DP(NETIF_MSG_IFUP,
-	   "func %d: vn_min_rate=%d  vn_max_rate=%d  vn_weight_sum=%d\n",
+	   "func %d: vn_min_rate %d  vn_max_rate %d  vn_weight_sum %d\n",
 	   func, vn_min_rate, vn_max_rate, bp->vn_weight_sum);
 
 	memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
@@ -2490,7 +2493,6 @@ static void bnx2x__link_status_update(struct bnx2x *bp)
 	else
 		bnx2x_stats_handle(bp, STATS_EVENT_STOP);
 
-	bp->mf_config = SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
 	bnx2x_calc_vn_weight_sum(bp);
 
 	/* indicate link status */
@@ -2634,10 +2636,7 @@ static void bnx2x_update_min_max(struct bnx2x *bp)
 
 static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
 {
-	int func = BP_FUNC(bp);
-
 	DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
-	bp->mf_config = SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
 
 	if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
 
@@ -3067,6 +3066,8 @@ static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
 			int func = BP_FUNC(bp);
 
 			REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
+			bp->mf_config = SHMEM_RD(bp,
+					   mf_cfg.func_mf_config[func].config);
 			val = SHMEM_RD(bp, func_mb[func].drv_status);
 			if (val & DRV_STATUS_DCC_EVENT_MASK)
 				bnx2x_dcc_event(bp,
@@ -5559,20 +5560,18 @@ static void bnx2x_init_internal_func(struct bnx2x *bp)
 		bp->link_vars.line_speed = SPEED_10000;
 		bnx2x_init_port_minmax(bp);
 
+		if (!BP_NOMCP(bp))
+			bp->mf_config =
+			      SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
 		bnx2x_calc_vn_weight_sum(bp);
 
 		for (vn = VN_0; vn < E1HVN_MAX; vn++)
 			bnx2x_init_vn_minmax(bp, 2*vn + port);
 
 		/* Enable rate shaping and fairness */
-		bp->cmng.flags.cmng_enables =
+		bp->cmng.flags.cmng_enables |=
 					CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
-		if (bp->vn_weight_sum)
-			bp->cmng.flags.cmng_enables |=
-					CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
-		else
-			DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
-			   "  fairness will be disabled\n");
+
 	} else {
 		/* rate shaping and fairness are disabled */
 		DP(NETIF_MSG_IFUP,
@@ -9038,17 +9037,18 @@ static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
 	if (netif_carrier_ok(dev)) {
 		cmd->speed = bp->link_vars.line_speed;
 		cmd->duplex = bp->link_vars.duplex;
-	} else {
-		cmd->speed = bp->link_params.req_line_speed;
-		cmd->duplex = bp->link_params.req_duplex;
-	}
-	if (IS_E1HMF(bp)) {
-		u16 vn_max_rate;
+		if (IS_E1HMF(bp)) {
+			u16 vn_max_rate;
 
-		vn_max_rate = ((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >>
+			vn_max_rate =
+				((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >>
 				FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
-		if (vn_max_rate < cmd->speed)
-			cmd->speed = vn_max_rate;
+			if (vn_max_rate < cmd->speed)
+				cmd->speed = vn_max_rate;
+		}
+	} else {
+		cmd->speed = -1;
+		cmd->duplex = -1;
 	}
 
 	if (bp->link_params.switch_cfg == SWITCH_CFG_10G) {
diff --git a/firmware/Makefile b/firmware/Makefile
index a6c7c3e47e4..45c04660a44 100644
--- a/firmware/Makefile
+++ b/firmware/Makefile
@@ -32,7 +32,7 @@ fw-shipped-$(CONFIG_ADAPTEC_STARFIRE) += adaptec/starfire_rx.bin \
 					 adaptec/starfire_tx.bin
 fw-shipped-$(CONFIG_ATARI_DSP56K) += dsp56k/bootstrap.bin
 fw-shipped-$(CONFIG_ATM_AMBASSADOR) += atmsar11.fw
-fw-shipped-$(CONFIG_BNX2X) += bnx2x-e1-5.0.21.0.fw bnx2x-e1h-5.0.21.0.fw
+fw-shipped-$(CONFIG_BNX2X) += bnx2x-e1-5.2.7.0.fw bnx2x-e1h-5.2.7.0.fw
 fw-shipped-$(CONFIG_BNX2) += bnx2/bnx2-mips-09-5.0.0.j3.fw \
 			     bnx2/bnx2-rv2p-09-5.0.0.j3.fw \
 			     bnx2/bnx2-rv2p-09ax-5.0.0.j3.fw \
diff --git a/firmware/WHENCE b/firmware/WHENCE
index c437e14f0b1..a07aede9fcc 100644
--- a/firmware/WHENCE
+++ b/firmware/WHENCE
@@ -674,8 +674,8 @@ Found in hex form in kernel source.
 
 Driver: bnx2x: Broadcom Everest
 
-File: bnx2x-e1-4.8.53.0.fw.ihex
-File: bnx2x-e1h-4.8.53.0.fw.ihex
+File: bnx2x-e1-5.2.7.0.fw.ihex
+File: bnx2x-e1h-5.2.7.0.fw.ihex
 
 License:
   Copyright (c) 2007-2009 Broadcom Corporation
-- 
GitLab


From 52a7a12fb560f22dd093ca74f3a768d51b044a40 Mon Sep 17 00:00:00 2001
From: Eilon Greenstein <eilong@broadcom.com>
Date: Thu, 15 Oct 2009 00:17:45 -0700
Subject: [PATCH 0291/1815] bnx2x: Remove old FW files

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 firmware/bnx2x-e1-5.0.21.0.fw.ihex  | 10184 --------------------
 firmware/bnx2x-e1h-5.0.21.0.fw.ihex | 12855 --------------------------
 2 files changed, 23039 deletions(-)
 delete mode 100644 firmware/bnx2x-e1-5.0.21.0.fw.ihex
 delete mode 100644 firmware/bnx2x-e1h-5.0.21.0.fw.ihex

diff --git a/firmware/bnx2x-e1-5.0.21.0.fw.ihex b/firmware/bnx2x-e1-5.0.21.0.fw.ihex
deleted file mode 100644
index c51afd44a23..00000000000
--- a/firmware/bnx2x-e1-5.0.21.0.fw.ihex
+++ /dev/null
@@ -1,10184 +0,0 @@
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diff --git a/firmware/bnx2x-e1h-5.0.21.0.fw.ihex b/firmware/bnx2x-e1h-5.0.21.0.fw.ihex
deleted file mode 100644
index e78c86378f8..00000000000
--- a/firmware/bnx2x-e1h-5.0.21.0.fw.ihex
+++ /dev/null
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-- 
GitLab


From f34d28ea0174df63253dc20a95de0b48e3d8145a Mon Sep 17 00:00:00 2001
From: Eilon Greenstein <eilong@broadcom.com>
Date: Thu, 15 Oct 2009 00:18:08 -0700
Subject: [PATCH 0292/1815] bnx2x: Changing the Disabled state to a flag

When working with DCC, a function can be disabled or enabled (virtual link down
or up). Using the function state introduced some race conditions with the
load/unload flow.
Using a separate flag to indicate that the function is disabled.

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2x.h      |  2 +-
 drivers/net/bnx2x_main.c | 34 +++++++++++++++++++---------------
 2 files changed, 20 insertions(+), 16 deletions(-)

diff --git a/drivers/net/bnx2x.h b/drivers/net/bnx2x.h
index 60fa14f31d7..185a6bab222 100644
--- a/drivers/net/bnx2x.h
+++ b/drivers/net/bnx2x.h
@@ -900,6 +900,7 @@ struct bnx2x {
 #define BP_NOMCP(bp)			(bp->flags & NO_MCP_FLAG)
 #define HW_VLAN_TX_FLAG			0x400
 #define HW_VLAN_RX_FLAG			0x800
+#define MF_FUNC_DIS			0x1000
 
 	int			func;
 #define BP_PORT(bp)			(bp->func % PORT_MAX)
@@ -965,7 +966,6 @@ struct bnx2x {
 #define BNX2X_STATE_CLOSING_WAIT4_HALT	0x4000
 #define BNX2X_STATE_CLOSING_WAIT4_DELETE 0x5000
 #define BNX2X_STATE_CLOSING_WAIT4_UNLOAD 0x6000
-#define BNX2X_STATE_DISABLED		0xd000
 #define BNX2X_STATE_DIAG		0xe000
 #define BNX2X_STATE_ERROR		0xf000
 
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 691cf154189..e7b3b27d16b 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -1043,7 +1043,6 @@ static void bnx2x_sp_event(struct bnx2x_fastpath *fp,
 		break;
 
 	case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_CLOSING_WAIT4_HALT):
-	case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_DISABLED):
 		DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
 		bp->set_mac_pending--;
 		smp_wmb();
@@ -2157,7 +2156,7 @@ static void bnx2x_calc_fc_adv(struct bnx2x *bp)
 
 static void bnx2x_link_report(struct bnx2x *bp)
 {
-	if (bp->state == BNX2X_STATE_DISABLED) {
+	if (bp->flags & MF_FUNC_DIS) {
 		netif_carrier_off(bp->dev);
 		printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
 		return;
@@ -2437,8 +2436,7 @@ static void bnx2x_link_attn(struct bnx2x *bp)
 			memset(&(pstats->mac_stx[0]), 0,
 			       sizeof(struct mac_stx));
 		}
-		if ((bp->state == BNX2X_STATE_OPEN) ||
-		    (bp->state == BNX2X_STATE_DISABLED))
+		if (bp->state == BNX2X_STATE_OPEN)
 			bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
 	}
 
@@ -2481,9 +2479,7 @@ static void bnx2x_link_attn(struct bnx2x *bp)
 
 static void bnx2x__link_status_update(struct bnx2x *bp)
 {
-	int func = BP_FUNC(bp);
-
-	if (bp->state != BNX2X_STATE_OPEN)
+	if ((bp->state != BNX2X_STATE_OPEN) || (bp->flags & MF_FUNC_DIS))
 		return;
 
 	bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
@@ -2640,14 +2636,19 @@ static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
 
 	if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
 
+		/*
+		 * This is the only place besides the function initialization
+		 * where the bp->flags can change so it is done without any
+		 * locks
+		 */
 		if (bp->mf_config & FUNC_MF_CFG_FUNC_DISABLED) {
 			DP(NETIF_MSG_IFDOWN, "mf_cfg function disabled\n");
-			bp->state = BNX2X_STATE_DISABLED;
+			bp->flags |= MF_FUNC_DIS;
 
 			bnx2x_e1h_disable(bp);
 		} else {
 			DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
-			bp->state = BNX2X_STATE_OPEN;
+			bp->flags &= ~MF_FUNC_DIS;
 
 			bnx2x_e1h_enable(bp);
 		}
@@ -4695,8 +4696,7 @@ static void bnx2x_timer(unsigned long data)
 		}
 	}
 
-	if ((bp->state == BNX2X_STATE_OPEN) ||
-	    (bp->state == BNX2X_STATE_DISABLED))
+	if (bp->state == BNX2X_STATE_OPEN)
 		bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
 
 timer_restart:
@@ -7629,7 +7629,7 @@ static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
 	if (CHIP_IS_E1H(bp))
 		if (bp->mf_config & FUNC_MF_CFG_FUNC_DISABLED) {
 			DP(NETIF_MSG_IFUP, "mf_cfg function disabled\n");
-			bp->state = BNX2X_STATE_DISABLED;
+			bp->flags |= MF_FUNC_DIS;
 		}
 
 	if (bp->state == BNX2X_STATE_OPEN) {
@@ -9034,7 +9034,9 @@ static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
 	cmd->supported = bp->port.supported;
 	cmd->advertising = bp->port.advertising;
 
-	if (netif_carrier_ok(dev)) {
+	if ((bp->state == BNX2X_STATE_OPEN) &&
+	    !(bp->flags & MF_FUNC_DIS) &&
+	    (bp->link_vars.link_up)) {
 		cmd->speed = bp->link_vars.line_speed;
 		cmd->duplex = bp->link_vars.duplex;
 		if (IS_E1HMF(bp)) {
@@ -9433,6 +9435,9 @@ static u32 bnx2x_get_link(struct net_device *dev)
 {
 	struct bnx2x *bp = netdev_priv(dev);
 
+	if (bp->flags & MF_FUNC_DIS)
+		return 0;
+
 	return bp->link_vars.link_up;
 }
 
@@ -9837,8 +9842,7 @@ static int bnx2x_set_eeprom(struct net_device *dev,
 
 	} else if (eeprom->magic == 0x50485952) {
 		/* 'PHYR' (0x50485952): re-init link after FW upgrade */
-		if ((bp->state == BNX2X_STATE_OPEN) ||
-		    (bp->state == BNX2X_STATE_DISABLED)) {
+		if (bp->state == BNX2X_STATE_OPEN) {
 			bnx2x_acquire_phy_lock(bp);
 			rc |= bnx2x_link_reset(&bp->link_params,
 					       &bp->link_vars, 1);
-- 
GitLab


From c4ff7cbf88be8bb0e3f942089f0ef0a40d98d654 Mon Sep 17 00:00:00 2001
From: Eilon Greenstein <eilong@broadcom.com>
Date: Thu, 15 Oct 2009 00:18:27 -0700
Subject: [PATCH 0293/1815] bnx2x: Adding FW mailbox mutex

DCC commands are not protected with the RTNL lock, so a mutex should be added

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2x.h      | 3 +++
 drivers/net/bnx2x_main.c | 7 +++++--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/net/bnx2x.h b/drivers/net/bnx2x.h
index 185a6bab222..c3b32f71e02 100644
--- a/drivers/net/bnx2x.h
+++ b/drivers/net/bnx2x.h
@@ -1023,6 +1023,9 @@ struct bnx2x {
 	/* used to synchronize dmae accesses */
 	struct mutex		dmae_mutex;
 
+	/* used to protect the FW mail box */
+	struct mutex		fw_mb_mutex;
+
 	/* used to synchronize stats collecting */
 	int			stats_state;
 	/* used by dmae command loader */
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index e7b3b27d16b..7c5c3000bbb 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -2528,6 +2528,7 @@ u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
 	u32 cnt = 1;
 	u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
 
+	mutex_lock(&bp->fw_mb_mutex);
 	SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq));
 	DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
 
@@ -2537,8 +2538,8 @@ u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
 
 		rc = SHMEM_RD(bp, func_mb[func].fw_mb_header);
 
-		/* Give the FW up to 2 second (200*10ms) */
-	} while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 200));
+		/* Give the FW up to 5 second (500*10ms) */
+	} while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
 
 	DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
 	   cnt*delay, rc, seq);
@@ -2552,6 +2553,7 @@ u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
 		bnx2x_fw_dump(bp);
 		rc = 0;
 	}
+	mutex_unlock(&bp->fw_mb_mutex);
 
 	return rc;
 }
@@ -8956,6 +8958,7 @@ static int __devinit bnx2x_init_bp(struct bnx2x *bp)
 	smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
 
 	mutex_init(&bp->port.phy_mutex);
+	mutex_init(&bp->fw_mb_mutex);
 #ifdef BCM_CNIC
 	mutex_init(&bp->cnic_mutex);
 #endif
-- 
GitLab


From 061bc702f6912b6e45b9aaf1c9bf2f8122406d47 Mon Sep 17 00:00:00 2001
From: Eilon Greenstein <eilong@broadcom.com>
Date: Thu, 15 Oct 2009 00:18:47 -0700
Subject: [PATCH 0294/1815] bnx2x: Do not call load/unload functionality from
 DCC

There is really no need to clear the MAC or the FW filtering rules - it was
added for completion, but caused race conditions with load/unload. Removing this
redundant code

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2x_main.c | 19 +++++--------------
 1 file changed, 5 insertions(+), 14 deletions(-)

diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 7c5c3000bbb..42cd957c668 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -2565,21 +2565,12 @@ static void bnx2x_set_rx_mode(struct net_device *dev);
 static void bnx2x_e1h_disable(struct bnx2x *bp)
 {
 	int port = BP_PORT(bp);
-	int i;
-
-	bp->rx_mode = BNX2X_RX_MODE_NONE;
-	bnx2x_set_storm_rx_mode(bp);
 
 	netif_tx_disable(bp->dev);
 	bp->dev->trans_start = jiffies;	/* prevent tx timeout */
 
 	REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
 
-	bnx2x_set_eth_mac_addr_e1h(bp, 0);
-
-	for (i = 0; i < MC_HASH_SIZE; i++)
-		REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
-
 	netif_carrier_off(bp->dev);
 }
 
@@ -2589,13 +2580,13 @@ static void bnx2x_e1h_enable(struct bnx2x *bp)
 
 	REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
 
-	bnx2x_set_eth_mac_addr_e1h(bp, 1);
-
 	/* Tx queue should be only reenabled */
 	netif_tx_wake_all_queues(bp->dev);
 
-	/* Initialize the receive filter. */
-	bnx2x_set_rx_mode(bp->dev);
+	/*
+	 * Should not call netif_carrier_on since it will be called if the link
+	 * is up when checking for link state
+	 */
 }
 
 static void bnx2x_update_min_max(struct bnx2x *bp)
@@ -10538,7 +10529,7 @@ static void bnx2x_self_test(struct net_device *dev,
 		/* disable input for TX port IF */
 		REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, 0);
 
-		link_up = bp->link_vars.link_up;
+		link_up = (bnx2x_link_test(bp) == 0);
 		bnx2x_nic_unload(bp, UNLOAD_NORMAL);
 		bnx2x_nic_load(bp, LOAD_DIAG);
 		/* wait until link state is restored */
-- 
GitLab


From 35c5f8fef12a2e4b788aa45ff72206ce4ac8e4b4 Mon Sep 17 00:00:00 2001
From: Eilon Greenstein <eilong@broadcom.com>
Date: Thu, 15 Oct 2009 00:19:05 -0700
Subject: [PATCH 0295/1815] bnx2x: Report the maximal available BW as link
 speed

The device is limited to the maximal BW allocation, so it should be displayed as
the link speed to notify the user.

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2x_main.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 42cd957c668..ba131f46319 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -2163,11 +2163,23 @@ static void bnx2x_link_report(struct bnx2x *bp)
 	}
 
 	if (bp->link_vars.link_up) {
+		u16 line_speed;
+
 		if (bp->state == BNX2X_STATE_OPEN)
 			netif_carrier_on(bp->dev);
 		printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
 
-		printk("%d Mbps ", bp->link_vars.line_speed);
+		line_speed = bp->link_vars.line_speed;
+		if (IS_E1HMF(bp)) {
+			u16 vn_max_rate;
+
+			vn_max_rate =
+				((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >>
+				 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
+			if (vn_max_rate < line_speed)
+				line_speed = vn_max_rate;
+		}
+		printk("%d Mbps ", line_speed);
 
 		if (bp->link_vars.duplex == DUPLEX_FULL)
 			printk("full duplex");
-- 
GitLab


From b2d76447dfb8c695324c61c87f63e414f44fce5a Mon Sep 17 00:00:00 2001
From: Eilon Greenstein <eilong@broadcom.com>
Date: Thu, 15 Oct 2009 00:19:31 -0700
Subject: [PATCH 0296/1815] bnx2x: Update to version 1.52.1-1

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2x_main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index ba131f46319..59b58d8f0fa 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -56,8 +56,8 @@
 #include "bnx2x_init_ops.h"
 #include "bnx2x_dump.h"
 
-#define DRV_MODULE_VERSION	"1.52.1"
-#define DRV_MODULE_RELDATE	"2009/08/12"
+#define DRV_MODULE_VERSION	"1.52.1-1"
+#define DRV_MODULE_RELDATE	"2009/10/13"
 #define BNX2X_BC_VER		0x040200
 
 #include <linux/firmware.h>
-- 
GitLab


From 21912d1ca2546ca96743c91d5a4125aef2d9df70 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Denis-Courmont?= <remi.denis-courmont@nokia.com>
Date: Thu, 15 Oct 2009 12:29:14 -0700
Subject: [PATCH 0297/1815] Phonet: hold socket before giving it to
 sk_deliver_skb()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/phonet/socket.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/phonet/socket.c b/net/phonet/socket.c
index 8c84190f22d..0412beb59a0 100644
--- a/net/phonet/socket.c
+++ b/net/phonet/socket.c
@@ -112,8 +112,10 @@ void pn_deliver_sock_broadcast(struct net *net, struct sk_buff *skb)
 			continue;
 
 		clone = skb_clone(skb, GFP_ATOMIC);
-		if (clone)
+		if (clone) {
+			sock_hold(sknode);
 			sk_receive_skb(sknode, clone, 0);
+		}
 	}
 	spin_unlock(&pnsocks.lock);
 }
-- 
GitLab


From 12d7ea2c5a5c87834daf9fcd920aab80ff6248b1 Mon Sep 17 00:00:00 2001
From: Ajit Khaparde <ajitk@serverengines.com>
Date: Fri, 16 Oct 2009 18:02:12 -0700
Subject: [PATCH 0298/1815] be2net: Add support for next generation of
 BladeEngine device.

Add new PCI ids to support next generation of BladeEngine device.

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/benet/be.h | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h
index 4b61a915422..ce7563175ce 100644
--- a/drivers/net/benet/be.h
+++ b/drivers/net/benet/be.h
@@ -35,20 +35,31 @@
 #define DRV_VER			"2.101.205"
 #define DRV_NAME		"be2net"
 #define BE_NAME			"ServerEngines BladeEngine2 10Gbps NIC"
+#define BE3_NAME		"ServerEngines BladeEngine3 10Gbps NIC"
 #define OC_NAME			"Emulex OneConnect 10Gbps NIC"
+#define OC_NAME1		"Emulex OneConnect 10Gbps NIC (be3)"
 #define DRV_DESC		BE_NAME "Driver"
 
 #define BE_VENDOR_ID 		0x19a2
 #define BE_DEVICE_ID1		0x211
+#define BE_DEVICE_ID2		0x221
 #define OC_DEVICE_ID1		0x700
 #define OC_DEVICE_ID2		0x701
+#define OC_DEVICE_ID3		0x710
 
 static inline char *nic_name(struct pci_dev *pdev)
 {
-	if (pdev->device == OC_DEVICE_ID1 || pdev->device == OC_DEVICE_ID2)
+	switch (pdev->device) {
+	case OC_DEVICE_ID1:
+	case OC_DEVICE_ID2:
 		return OC_NAME;
-	else
+	case OC_DEVICE_ID3:
+		return OC_NAME1;
+	case BE_DEVICE_ID2:
+		return BE3_NAME;
+	default:
 		return BE_NAME;
+	}
 }
 
 /* Number of bytes of an RX frame that are copied to skb->data */
-- 
GitLab


From 0a2aa440603f27ad40bcc14806f4d87aabbd8a0f Mon Sep 17 00:00:00 2001
From: Amit Kumar Salecha <amit@qlogic.com>
Date: Fri, 16 Oct 2009 15:50:06 +0000
Subject: [PATCH 0299/1815] netxen: defines for next revision

Signed-off-by: Amit Kumar Salecha <amit@netxen.com>
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/netxen/netxen_nic.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index 1bdb8f4a3c8..a608e25807b 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -117,9 +117,11 @@
 #define NX_P3_B0		0x40
 #define NX_P3_B1		0x41
 #define NX_P3_B2		0x42
+#define NX_P3P_A0		0x50
 
 #define NX_IS_REVISION_P2(REVISION)     (REVISION <= NX_P2_C1)
 #define NX_IS_REVISION_P3(REVISION)     (REVISION >= NX_P3_A0)
+#define NX_IS_REVISION_P3P(REVISION)     (REVISION >= NX_P3P_A0)
 
 #define FIRST_PAGE_GROUP_START	0
 #define FIRST_PAGE_GROUP_END	0x100000
-- 
GitLab


From fb1f6a4378fe211d8c1397311d26e747e5ec61c5 Mon Sep 17 00:00:00 2001
From: Amit Kumar Salecha <amit@qlogic.com>
Date: Fri, 16 Oct 2009 15:50:07 +0000
Subject: [PATCH 0300/1815] netxen: 128 memory controller support

Future revisions of the chip have 128 bit memory
transactions. Require drivers to implement rmw
in case of sub-128 bit accesses by driver. This
is mostly used by diagnostic tools.

Signed-off-by: Amit Kumar Salecha <amit@netxen.com>
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/netxen/netxen_nic_hdr.h |  8 +++--
 drivers/net/netxen/netxen_nic_hw.c  | 55 ++++++++++++++++++++++++-----
 2 files changed, 53 insertions(+), 10 deletions(-)

diff --git a/drivers/net/netxen/netxen_nic_hdr.h b/drivers/net/netxen/netxen_nic_hdr.h
index 34613503262..d40fe33a4d8 100644
--- a/drivers/net/netxen/netxen_nic_hdr.h
+++ b/drivers/net/netxen/netxen_nic_hdr.h
@@ -678,10 +678,14 @@ enum {
 #define MIU_TEST_AGT_ADDR_HI		(0x08)
 #define MIU_TEST_AGT_WRDATA_LO		(0x10)
 #define MIU_TEST_AGT_WRDATA_HI		(0x14)
-#define MIU_TEST_AGT_WRDATA(i)		(0x10+(4*(i)))
+#define MIU_TEST_AGT_WRDATA_UPPER_LO	(0x20)
+#define MIU_TEST_AGT_WRDATA_UPPER_HI	(0x24)
+#define MIU_TEST_AGT_WRDATA(i)		(0x10+(0x10*((i)>>1))+(4*((i)&1)))
 #define MIU_TEST_AGT_RDDATA_LO		(0x18)
 #define MIU_TEST_AGT_RDDATA_HI		(0x1c)
-#define MIU_TEST_AGT_RDDATA(i)		(0x18+(4*(i)))
+#define MIU_TEST_AGT_RDDATA_UPPER_LO	(0x28)
+#define MIU_TEST_AGT_RDDATA_UPPER_HI	(0x2c)
+#define MIU_TEST_AGT_RDDATA(i)		(0x18+(0x10*((i)>>1))+(4*((i)&1)))
 
 #define MIU_TEST_AGT_ADDR_MASK		0xfffffff8
 #define MIU_TEST_AGT_UPPER_ADDR(off)	(0)
diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index d067bee87cd..52a2f2d6755 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -1569,8 +1569,9 @@ static int
 netxen_nic_pci_mem_write_2M(struct netxen_adapter *adapter,
 		u64 off, u64 data)
 {
-	int j, ret;
+	int i, j, ret;
 	u32 temp, off8;
+	u64 stride;
 	void __iomem *mem_crb;
 
 	/* Only 64-bit aligned access */
@@ -1597,14 +1598,45 @@ netxen_nic_pci_mem_write_2M(struct netxen_adapter *adapter,
 	return -EIO;
 
 correct:
-	off8 = off & MIU_TEST_AGT_ADDR_MASK;
+	stride = NX_IS_REVISION_P3P(adapter->ahw.revision_id) ? 16 : 8;
+
+	off8 = off & ~(stride-1);
 
 	spin_lock(&adapter->ahw.mem_lock);
 
 	writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO));
 	writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI));
-	writel(data & 0xffffffff, mem_crb + MIU_TEST_AGT_WRDATA_LO);
-	writel((data >> 32) & 0xffffffff, mem_crb + MIU_TEST_AGT_WRDATA_HI);
+
+	i = 0;
+	if (stride == 16) {
+		writel(TA_CTL_ENABLE, (mem_crb + TEST_AGT_CTRL));
+		writel((TA_CTL_START | TA_CTL_ENABLE),
+				(mem_crb + TEST_AGT_CTRL));
+
+		for (j = 0; j < MAX_CTL_CHECK; j++) {
+			temp = readl(mem_crb + TEST_AGT_CTRL);
+			if ((temp & TA_CTL_BUSY) == 0)
+				break;
+		}
+
+		if (j >= MAX_CTL_CHECK) {
+			ret = -EIO;
+			goto done;
+		}
+
+		i = (off & 0xf) ? 0 : 2;
+		writel(readl(mem_crb + MIU_TEST_AGT_RDDATA(i)),
+				mem_crb + MIU_TEST_AGT_WRDATA(i));
+		writel(readl(mem_crb + MIU_TEST_AGT_RDDATA(i+1)),
+				mem_crb + MIU_TEST_AGT_WRDATA(i+1));
+		i = (off & 0xf) ? 2 : 0;
+	}
+
+	writel(data & 0xffffffff,
+			mem_crb + MIU_TEST_AGT_WRDATA(i));
+	writel((data >> 32) & 0xffffffff,
+			mem_crb + MIU_TEST_AGT_WRDATA(i+1));
+
 	writel((TA_CTL_ENABLE | TA_CTL_WRITE), (mem_crb + TEST_AGT_CTRL));
 	writel((TA_CTL_START | TA_CTL_ENABLE | TA_CTL_WRITE),
 			(mem_crb + TEST_AGT_CTRL));
@@ -1623,6 +1655,7 @@ correct:
 	} else
 		ret = 0;
 
+done:
 	spin_unlock(&adapter->ahw.mem_lock);
 
 	return ret;
@@ -1634,7 +1667,7 @@ netxen_nic_pci_mem_read_2M(struct netxen_adapter *adapter,
 {
 	int j, ret;
 	u32 temp, off8;
-	u64 val;
+	u64 val, stride;
 	void __iomem *mem_crb;
 
 	/* Only 64-bit aligned access */
@@ -1663,7 +1696,9 @@ netxen_nic_pci_mem_read_2M(struct netxen_adapter *adapter,
 	return -EIO;
 
 correct:
-	off8 = off & MIU_TEST_AGT_ADDR_MASK;
+	stride = NX_IS_REVISION_P3P(adapter->ahw.revision_id) ? 16 : 8;
+
+	off8 = off & ~(stride-1);
 
 	spin_lock(&adapter->ahw.mem_lock);
 
@@ -1684,9 +1719,13 @@ correct:
 					"failed to read through agent\n");
 		ret = -EIO;
 	} else {
-		temp = readl(mem_crb + MIU_TEST_AGT_RDDATA_HI);
+		off8 = MIU_TEST_AGT_RDDATA_LO;
+		if ((stride == 16) && (off & 0xf))
+			off8 = MIU_TEST_AGT_RDDATA_UPPER_LO;
+
+		temp = readl(mem_crb + off8 + 4);
 		val = (u64)temp << 32;
-		val |= readl(mem_crb + MIU_TEST_AGT_RDDATA_LO);
+		val |= readl(mem_crb + off8);
 		*data = val;
 		ret = 0;
 	}
-- 
GitLab


From 0be367bd5d10634c0836f57a684432fee935d929 Mon Sep 17 00:00:00 2001
From: Amit Kumar Salecha <amit@qlogic.com>
Date: Fri, 16 Oct 2009 15:50:08 +0000
Subject: [PATCH 0301/1815] netxen: reset sequence changes

Future revisions need different chip reset sequence
and firmware initialization.

Also clean up some never used debug code.

Signed-off-by: Amit Kumar Salecha <amit@netxen.com>
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/netxen/netxen_nic.h      |  2 +-
 drivers/net/netxen/netxen_nic_init.c | 41 ++++++++++------------------
 drivers/net/netxen/netxen_nic_main.c |  2 +-
 3 files changed, 16 insertions(+), 29 deletions(-)

diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index a608e25807b..db28f8a6f8a 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -1270,7 +1270,7 @@ int netxen_load_firmware(struct netxen_adapter *adapter);
 int netxen_need_fw_reset(struct netxen_adapter *adapter);
 void netxen_request_firmware(struct netxen_adapter *adapter);
 void netxen_release_firmware(struct netxen_adapter *adapter);
-int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose);
+int netxen_pinit_from_rom(struct netxen_adapter *adapter);
 
 int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp);
 int netxen_rom_fast_read_words(struct netxen_adapter *adapter, int addr,
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index 83387c791d5..a5248447789 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -437,7 +437,7 @@ int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp)
 #define NETXEN_BOARDNUM 		0x400c
 #define NETXEN_CHIPNUM			0x4010
 
-int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose)
+int netxen_pinit_from_rom(struct netxen_adapter *adapter)
 {
 	int addr, val;
 	int i, n, init_delay = 0;
@@ -450,21 +450,6 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose)
 	NXWR32(adapter, NETXEN_ROMUSB_GLB_SW_RESET, 0xffffffff);
 	netxen_rom_unlock(adapter);
 
-	if (verbose) {
-		if (netxen_rom_fast_read(adapter, NETXEN_BOARDTYPE, &val) == 0)
-			printk("P2 ROM board type: 0x%08x\n", val);
-		else
-			printk("Could not read board type\n");
-		if (netxen_rom_fast_read(adapter, NETXEN_BOARDNUM, &val) == 0)
-			printk("P2 ROM board  num: 0x%08x\n", val);
-		else
-			printk("Could not read board number\n");
-		if (netxen_rom_fast_read(adapter, NETXEN_CHIPNUM, &val) == 0)
-			printk("P2 ROM chip   num: 0x%08x\n", val);
-		else
-			printk("Could not read chip number\n");
-	}
-
 	if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
 		if (netxen_rom_fast_read(adapter, 0, &n) != 0 ||
 			(n != 0xcafecafe) ||
@@ -486,11 +471,7 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose)
 		n &= ~0x80000000;
 	}
 
-	if (n < 1024) {
-		if (verbose)
-			printk(KERN_DEBUG "%s: %d CRB init values found"
-			       " in ROM.\n", netxen_nic_driver_name, n);
-	} else {
+	if (n >= 1024) {
 		printk(KERN_ERR "%s:n=0x%x Error! NetXen card flash not"
 		       " initialized.\n", __func__, n);
 		return -EIO;
@@ -502,6 +483,7 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose)
 				netxen_nic_driver_name);
 		return -ENOMEM;
 	}
+
 	for (i = 0; i < n; i++) {
 		if (netxen_rom_fast_read(adapter, 8*i + 4*offset, &val) != 0 ||
 		netxen_rom_fast_read(adapter, 8*i + 4*offset + 4, &addr) != 0) {
@@ -512,11 +494,8 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose)
 		buf[i].addr = addr;
 		buf[i].data = val;
 
-		if (verbose)
-			printk(KERN_DEBUG "%s: PCI:     0x%08x == 0x%08x\n",
-				netxen_nic_driver_name,
-				(u32)netxen_decode_crb_addr(addr), val);
 	}
+
 	for (i = 0; i < n; i++) {
 
 		off = netxen_decode_crb_addr(buf[i].addr);
@@ -526,6 +505,10 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose)
 			continue;
 		}
 		off += NETXEN_PCI_CRBSPACE;
+
+		if (off & 1)
+			continue;
+
 		/* skipping cold reboot MAGIC */
 		if (off == NETXEN_CAM_RAM(0x1fc))
 			continue;
@@ -542,7 +525,8 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose)
 				continue;
 			if (off == (ROMUSB_GLB + 0x1c)) /* MS clock */
 				continue;
-			if (off == (NETXEN_CRB_PEG_NET_1 + 0x18))
+			if (off == (NETXEN_CRB_PEG_NET_1 + 0x18) &&
+				!NX_IS_REVISION_P3P(adapter->ahw.revision_id))
 				buf[i].data = 0x1020;
 			/* skip the function enable register */
 			if (off == NETXEN_PCIE_REG(PCIE_SETUP_FUNCTION))
@@ -751,7 +735,10 @@ netxen_load_firmware(struct netxen_adapter *adapter)
 	}
 	msleep(1);
 
-	if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+	if (NX_IS_REVISION_P3P(adapter->ahw.revision_id)) {
+		NXWR32(adapter, NETXEN_CRB_PEG_NET_0 + 0x18, 0x1020);
+		NXWR32(adapter, NETXEN_ROMUSB_GLB_SW_RESET, 0x80001e);
+	} else if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
 		NXWR32(adapter, NETXEN_ROMUSB_GLB_SW_RESET, 0x80001d);
 	else {
 		NXWR32(adapter, NETXEN_ROMUSB_GLB_CHIP_CLK_CTRL, 0x3fff);
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 5bc8520e3e1..2d772dd381f 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -810,7 +810,7 @@ netxen_start_firmware(struct netxen_adapter *adapter)
 
 	if (first_boot != 0x55555555) {
 		NXWR32(adapter, CRB_CMDPEG_STATE, 0);
-		netxen_pinit_from_rom(adapter, 0);
+		netxen_pinit_from_rom(adapter);
 		msleep(1);
 	}
 
-- 
GitLab


From 6abb4b83eac25d91f6de834e97b2ea38e979575b Mon Sep 17 00:00:00 2001
From: Amit Kumar Salecha <amit@netxen.com>
Date: Fri, 16 Oct 2009 15:50:09 +0000
Subject: [PATCH 0302/1815] netxen: onchip memory access change

Add support for different windowing scheme for on chip
memory in future chip revisions. This is required by
diagnostic tools.

Signed-off-by: Amit Kumar Salecha <amit@netxen.com>
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/netxen/netxen_nic_hdr.h  |  3 +++
 drivers/net/netxen/netxen_nic_hw.c   | 17 +++++++++--------
 drivers/net/netxen/netxen_nic_main.c |  6 +++++-
 3 files changed, 17 insertions(+), 9 deletions(-)

diff --git a/drivers/net/netxen/netxen_nic_hdr.h b/drivers/net/netxen/netxen_nic_hdr.h
index d40fe33a4d8..7386a7cce2b 100644
--- a/drivers/net/netxen/netxen_nic_hdr.h
+++ b/drivers/net/netxen/netxen_nic_hdr.h
@@ -867,6 +867,9 @@ enum {
 		(PCIX_SN_WINDOW_F0 + (0x20 * (func))) :\
 		(PCIX_SN_WINDOW_F4 + (0x10 * ((func)-4))))
 
+#define PCIX_OCM_WINDOW		(0x10800)
+#define PCIX_OCM_WINDOW_REG(func)	(PCIX_OCM_WINDOW + 0x20 * (func))
+
 #define PCIX_TARGET_STATUS	(0x10118)
 #define PCIX_TARGET_STATUS_F1	(0x10160)
 #define PCIX_TARGET_STATUS_F2	(0x10164)
diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index 52a2f2d6755..a6332461343 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -31,6 +31,7 @@
 #define MASK(n) ((1ULL<<(n))-1)
 #define MN_WIN(addr) (((addr & 0x1fc0000) >> 1) | ((addr >> 25) & 0x3ff))
 #define OCM_WIN(addr) (((addr & 0x1ff0000) >> 1) | ((addr >> 25) & 0x3ff))
+#define OCM_WIN_P3P(addr) (addr & 0xffc0000)
 #define MS_WIN(addr) (addr & 0x0ffc0000)
 
 #define GET_MEM_OFFS_2M(addr) (addr & MASK(18))
@@ -1338,7 +1339,7 @@ static int
 netxen_nic_pci_set_window_2M(struct netxen_adapter *adapter,
 		u64 addr, u32 *start)
 {
-	u32 win_read, window;
+	u32 window;
 	struct pci_dev *pdev = adapter->pdev;
 
 	if ((addr & 0x00ff800) == 0xff800) {
@@ -1347,14 +1348,14 @@ netxen_nic_pci_set_window_2M(struct netxen_adapter *adapter,
 		return -EIO;
 	}
 
-	window = OCM_WIN(addr);
+	if (NX_IS_REVISION_P3P(adapter->ahw.revision_id))
+		window = OCM_WIN_P3P(addr);
+	else
+		window = OCM_WIN(addr);
+
 	writel(window, adapter->ahw.ocm_win_crb);
-	win_read = readl(adapter->ahw.ocm_win_crb);
-	if ((win_read >> 7) != window) {
-		if (printk_ratelimit())
-			dev_warn(&pdev->dev, "failed to set OCM window\n");
-		return -EIO;
-	}
+	/* read back to flush */
+	readl(adapter->ahw.ocm_win_crb);
 
 	adapter->ahw.ocm_win = window;
 	*start = NETXEN_PCI_OCM0_2M + GET_MEM_OFFS_2M(addr);
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 2d772dd381f..30d9afe7366 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -649,7 +649,11 @@ netxen_setup_pci_map(struct netxen_adapter *adapter)
 	adapter->ahw.pci_base1 = mem_ptr1;
 	adapter->ahw.pci_base2 = mem_ptr2;
 
-	if (!NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
+	if (NX_IS_REVISION_P3P(adapter->ahw.revision_id)) {
+		adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter,
+			NETXEN_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(pci_func)));
+
+	} else if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
 		adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter,
 			NETXEN_PCIX_PS_REG(PCIE_MN_WINDOW_REG(pci_func)));
 	}
-- 
GitLab


From 7cecdca133ea9791adce21819b9e9eed79045f23 Mon Sep 17 00:00:00 2001
From: Dhananjay Phadke <dhananjay@netxen.com>
Date: Fri, 16 Oct 2009 15:50:10 +0000
Subject: [PATCH 0303/1815] netxen: fix error codes in for tools access

Use -EIO or -EINVAL as error codes, these can get passed up
to applications (tools).

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/netxen/netxen_nic_hw.c   | 49 ++++++++++++++--------------
 drivers/net/netxen/netxen_nic_init.c |  6 ++++
 2 files changed, 31 insertions(+), 24 deletions(-)

diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index a6332461343..e43cbbd5bec 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -332,7 +332,7 @@ netxen_pcie_sem_lock(struct netxen_adapter *adapter, int sem, u32 id_reg)
 		if (done == 1)
 			break;
 		if (++timeout >= NETXEN_PCIE_SEM_TIMEOUT)
-			return -1;
+			return -EIO;
 		msleep(1);
 	}
 
@@ -1083,7 +1083,7 @@ netxen_nic_pci_set_crbwindow_128M(struct netxen_adapter *adapter,
 }
 
 /*
- * Return -1 if off is not valid,
+ * Returns < 0 if off is not valid,
  *	 1 if window access is needed. 'off' is set to offset from
  *	   CRB space in 128M pci map
  *	 0 if no window access is needed. 'off' is set to 2M addr
@@ -1096,7 +1096,7 @@ netxen_nic_pci_get_crb_addr_2M(struct netxen_adapter *adapter, ulong *off)
 
 
 	if (*off >= NETXEN_CRB_MAX)
-		return -1;
+		return -EINVAL;
 
 	if (*off >= NETXEN_PCI_CAMQM && (*off < NETXEN_PCI_CAMQM_2M_END)) {
 		*off = (*off - NETXEN_PCI_CAMQM) + NETXEN_PCI_CAMQM_2M_BASE +
@@ -1105,7 +1105,7 @@ netxen_nic_pci_get_crb_addr_2M(struct netxen_adapter *adapter, ulong *off)
 	}
 
 	if (*off < NETXEN_PCI_CRBSPACE)
-		return -1;
+		return -EINVAL;
 
 	*off -= NETXEN_PCI_CRBSPACE;
 
@@ -1220,25 +1220,26 @@ netxen_nic_hw_write_wx_2M(struct netxen_adapter *adapter, ulong off, u32 data)
 
 	rv = netxen_nic_pci_get_crb_addr_2M(adapter, &off);
 
-	if (rv == -1) {
-		printk(KERN_ERR "%s: invalid offset: 0x%016lx\n",
-				__func__, off);
-		dump_stack();
-		return -1;
+	if (rv == 0) {
+		writel(data, (void __iomem *)off);
+		return 0;
 	}
 
-	if (rv == 1) {
+	if (rv > 0) {
+		/* indirect access */
 		write_lock_irqsave(&adapter->ahw.crb_lock, flags);
 		crb_win_lock(adapter);
 		netxen_nic_pci_set_crbwindow_2M(adapter, &off);
 		writel(data, (void __iomem *)off);
 		crb_win_unlock(adapter);
 		write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
-	} else
-		writel(data, (void __iomem *)off);
-
+		return 0;
+	}
 
-	return 0;
+	dev_err(&adapter->pdev->dev,
+			"%s: invalid offset: 0x%016lx\n", __func__, off);
+	dump_stack();
+	return -EIO;
 }
 
 static u32
@@ -1250,24 +1251,24 @@ netxen_nic_hw_read_wx_2M(struct netxen_adapter *adapter, ulong off)
 
 	rv = netxen_nic_pci_get_crb_addr_2M(adapter, &off);
 
-	if (rv == -1) {
-		printk(KERN_ERR "%s: invalid offset: 0x%016lx\n",
-				__func__, off);
-		dump_stack();
-		return -1;
-	}
+	if (rv == 0)
+		return readl((void __iomem *)off);
 
-	if (rv == 1) {
+	if (rv > 0) {
+		/* indirect access */
 		write_lock_irqsave(&adapter->ahw.crb_lock, flags);
 		crb_win_lock(adapter);
 		netxen_nic_pci_set_crbwindow_2M(adapter, &off);
 		data = readl((void __iomem *)off);
 		crb_win_unlock(adapter);
 		write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
-	} else
-		data = readl((void __iomem *)off);
+		return data;
+	}
 
-	return data;
+	dev_err(&adapter->pdev->dev,
+			"%s: invalid offset: 0x%016lx\n", __func__, off);
+	dump_stack();
+	return -1;
 }
 
 /* window 1 registers only */
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index a5248447789..d8c4b70e35b 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -832,6 +832,12 @@ void netxen_request_firmware(struct netxen_adapter *adapter)
 		goto request_fw;
 	}
 
+	if (NX_IS_REVISION_P3P(adapter->ahw.revision_id)) {
+		/* No file firmware for the time being */
+		fw_type = NX_FLASH_ROMIMAGE;
+		goto done;
+	}
+
 	fw_type = netxen_p3_has_mn(adapter) ?
 		NX_P3_MN_ROMIMAGE : NX_P3_CT_ROMIMAGE;
 
-- 
GitLab


From caa2dd53bc2f9c44938f2f261ebe15e2f26cc51e Mon Sep 17 00:00:00 2001
From: Narender Kumar <narender.kumar@qlogic.com>
Date: Fri, 16 Oct 2009 15:50:11 +0000
Subject: [PATCH 0304/1815] netxen: sysfs control for auto firmware recovery

Firmware hang detection and recovery (reset) need to
be disabled for diagnostic tools, which can run
some disruptive tests.

This adds a driver level control to turn off this
feature by diag tools.

Signed-off-by: Narender Kumar <narender.kumar@qlogic.com>
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/netxen/netxen_nic.h      |  3 ++
 drivers/net/netxen/netxen_nic_main.c | 50 +++++++++++++++++++++++++++-
 2 files changed, 52 insertions(+), 1 deletion(-)

diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index db28f8a6f8a..fa7511e2f2e 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -1044,6 +1044,9 @@ typedef struct {
 #define LINKEVENT_LINKSPEED_MBPS	0
 #define LINKEVENT_LINKSPEED_ENCODED	1
 
+#define AUTO_FW_RESET_ENABLED	0xEF10AF12
+#define AUTO_FW_RESET_DISABLED	0xDCBAAF12
+
 /* firmware response header:
  *	63:58 - message type
  *	57:56 - owner
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 30d9afe7366..1071f090a12 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -52,6 +52,8 @@ static int use_msi = 1;
 
 static int use_msi_x = 1;
 
+static unsigned long auto_fw_reset = AUTO_FW_RESET_ENABLED;
+
 /* Local functions to NetXen NIC driver */
 static int __devinit netxen_nic_probe(struct pci_dev *pdev,
 		const struct pci_device_id *ent);
@@ -2264,7 +2266,8 @@ netxen_check_health(struct netxen_adapter *adapter)
 	dev_info(&netdev->dev, "firmware hang detected\n");
 
 detach:
-	if (!test_and_set_bit(__NX_RESETTING, &adapter->state))
+	if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) &&
+			!test_and_set_bit(__NX_RESETTING, &adapter->state))
 		netxen_schedule_work(adapter, netxen_detach_work, 0);
 	return 1;
 }
@@ -2496,6 +2499,41 @@ static struct bin_attribute bin_attr_mem = {
 	.write = netxen_sysfs_write_mem,
 };
 
+static ssize_t
+netxen_store_auto_fw_reset(struct module_attribute *mattr,
+		struct module *mod, const char *buf, size_t count)
+
+{
+	unsigned long new;
+
+	if (strict_strtoul(buf, 16, &new))
+		return -EINVAL;
+
+	if ((new == AUTO_FW_RESET_ENABLED) || (new == AUTO_FW_RESET_DISABLED)) {
+		auto_fw_reset = new;
+		return count;
+	}
+
+	return -EINVAL;
+}
+
+static ssize_t
+netxen_show_auto_fw_reset(struct module_attribute *mattr,
+		struct module *mod, char *buf)
+
+{
+	if (auto_fw_reset == AUTO_FW_RESET_ENABLED)
+		return sprintf(buf, "enabled\n");
+	else
+		return sprintf(buf, "disabled\n");
+}
+
+static struct module_attribute mod_attr_fw_reset = {
+	.attr = {.name = "auto_fw_reset", .mode = (S_IRUGO | S_IWUSR)},
+	.show = netxen_show_auto_fw_reset,
+	.store = netxen_store_auto_fw_reset,
+};
+
 static void
 netxen_create_sysfs_entries(struct netxen_adapter *adapter)
 {
@@ -2700,6 +2738,8 @@ static struct pci_driver netxen_driver = {
 
 static int __init netxen_init_module(void)
 {
+	struct module *mod = THIS_MODULE;
+
 	printk(KERN_INFO "%s\n", netxen_nic_driver_string);
 
 #ifdef CONFIG_INET
@@ -2707,6 +2747,10 @@ static int __init netxen_init_module(void)
 	register_inetaddr_notifier(&netxen_inetaddr_cb);
 #endif
 
+	if (sysfs_create_file(&mod->mkobj.kobj, &mod_attr_fw_reset.attr))
+		printk(KERN_ERR "%s: Failed to create auto_fw_reset "
+				"sysfs entry.", netxen_nic_driver_name);
+
 	return pci_register_driver(&netxen_driver);
 }
 
@@ -2714,6 +2758,10 @@ module_init(netxen_init_module);
 
 static void __exit netxen_exit_module(void)
 {
+	struct module *mod = THIS_MODULE;
+
+	sysfs_remove_file(&mod->mkobj.kobj, &mod_attr_fw_reset.attr);
+
 	pci_unregister_driver(&netxen_driver);
 
 #ifdef CONFIG_INET
-- 
GitLab


From 7194660da7a6d119fa469bd11b58e7367a5cbdf4 Mon Sep 17 00:00:00 2001
From: Dhananjay Phadke <dhananjay@netxen.com>
Date: Fri, 16 Oct 2009 15:50:12 +0000
Subject: [PATCH 0305/1815] netxen; update version to 4.0.62

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/netxen/netxen_nic.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index fa7511e2f2e..e98cfa6baa8 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -53,8 +53,8 @@
 
 #define _NETXEN_NIC_LINUX_MAJOR 4
 #define _NETXEN_NIC_LINUX_MINOR 0
-#define _NETXEN_NIC_LINUX_SUBVERSION 50
-#define NETXEN_NIC_LINUX_VERSIONID  "4.0.50"
+#define _NETXEN_NIC_LINUX_SUBVERSION 62
+#define NETXEN_NIC_LINUX_VERSIONID  "4.0.62"
 
 #define NETXEN_VERSION_CODE(a, b, c)	(((a) << 24) + ((b) << 16) + (c))
 #define _major(v)	(((v) >> 24) & 0xff)
-- 
GitLab


From 49f5eba7575e6dfb146c5e24623d50200ce23ff1 Mon Sep 17 00:00:00 2001
From: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Date: Wed, 14 Oct 2009 22:54:55 +0000
Subject: [PATCH 0306/1815] af_iucv: use sk functions to modify
 sk->sk_ack_backlog

Instead of modifying sk->sk_ack_backlog directly, use respective
socket functions.

Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/iucv/af_iucv.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index 004134b60d8..73ea01be68e 100644
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -536,7 +536,7 @@ void iucv_accept_enqueue(struct sock *parent, struct sock *sk)
 	list_add_tail(&iucv_sk(sk)->accept_q, &par->accept_q);
 	spin_unlock_irqrestore(&par->accept_q_lock, flags);
 	iucv_sk(sk)->parent = parent;
-	parent->sk_ack_backlog++;
+	sk_acceptq_added(parent);
 }
 
 void iucv_accept_unlink(struct sock *sk)
@@ -547,7 +547,7 @@ void iucv_accept_unlink(struct sock *sk)
 	spin_lock_irqsave(&par->accept_q_lock, flags);
 	list_del_init(&iucv_sk(sk)->accept_q);
 	spin_unlock_irqrestore(&par->accept_q_lock, flags);
-	iucv_sk(sk)->parent->sk_ack_backlog--;
+	sk_acceptq_removed(iucv_sk(sk)->parent);
 	iucv_sk(sk)->parent = NULL;
 	sock_put(sk);
 }
-- 
GitLab


From 9a4ff8d417e4ef2eeecb4a4433e3dbd8251aae5e Mon Sep 17 00:00:00 2001
From: Ursula Braun <ursula.braun@de.ibm.com>
Date: Wed, 14 Oct 2009 22:54:56 +0000
Subject: [PATCH 0307/1815] af_iucv: remove duplicate sock_set_flag

Remove duplicate sock_set_flag(sk, SOCK_ZAPPED) in iucv_sock_close,
which has been overlooked in September-commit
7514bab04e567c9408fe0facbde4277f09d5eb74.

Cc: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/iucv/af_iucv.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index 73ea01be68e..3aebabb158a 100644
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -428,7 +428,6 @@ static void iucv_sock_close(struct sock *sk)
 		break;
 
 	default:
-		sock_set_flag(sk, SOCK_ZAPPED);
 		/* nothing to do here */
 		break;
 	}
-- 
GitLab


From d62e09e34eba15be382a7aed27b0fa67112e29e0 Mon Sep 17 00:00:00 2001
From: Klaus-Dieter Wacker <kdwacker@de.ibm.com>
Date: Wed, 14 Oct 2009 22:54:57 +0000
Subject: [PATCH 0308/1815] lcs: ODEBUG: object is on stack, but not annotated.

Timer_list structure in lcs_send_lancmd() is allocated on stack.
Initialization with init_timer() leads to above ODEBUG message.
Instead use init_timer_on_stack() which prevents above msg.

Signed-off-by: Klaus-Dieter Wacker <kdwacker@de.ibm.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/s390/net/lcs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index a70de9b4bf2..f8dfd70a89d 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -889,7 +889,7 @@ lcs_send_lancmd(struct lcs_card *card, struct lcs_buffer *buffer,
 	rc = lcs_ready_buffer(&card->write, buffer);
 	if (rc)
 		return rc;
-	init_timer(&timer);
+	init_timer_on_stack(&timer);
 	timer.function = lcs_lancmd_timeout;
 	timer.data = (unsigned long) reply;
 	timer.expires = jiffies + HZ*card->lancmd_timeout;
-- 
GitLab


From d816d4238245b019d6f86f58163c78f015bd94ed Mon Sep 17 00:00:00 2001
From: Klaus-Dieter Wacker <kdwacker@de.ibm.com>
Date: Wed, 14 Oct 2009 22:54:58 +0000
Subject: [PATCH 0309/1815] lcs: Recognize return codes of
 ccw_device_set_online().

The creation of a new lcs device requires a call to the function
ccw_device_set_online() for the read and the write channel. Failure
of either call should terminate the lcs device creation immediately
with return code -ENODEV.

Signed-off-by: Klaus-Dieter Wacker <kdwacker@de.ibm.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/s390/net/lcs.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index f8dfd70a89d..5e46415d3e1 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -2130,8 +2130,12 @@ lcs_new_device(struct ccwgroup_device *ccwgdev)
 	card->write.ccwdev = ccwgdev->cdev[1];
 
 	recover_state = card->state;
-	ccw_device_set_online(card->read.ccwdev);
-	ccw_device_set_online(card->write.ccwdev);
+	rc = ccw_device_set_online(card->read.ccwdev);
+	if (rc)
+		goto out_err;
+	rc = ccw_device_set_online(card->write.ccwdev);
+	if (rc)
+		goto out_werr;
 
 	LCS_DBF_TEXT(3, setup, "lcsnewdv");
 
@@ -2210,8 +2214,10 @@ netdev_out:
 	return 0;
 out:
 
-	ccw_device_set_offline(card->read.ccwdev);
 	ccw_device_set_offline(card->write.ccwdev);
+out_werr:
+	ccw_device_set_offline(card->read.ccwdev);
+out_err:
 	return -ENODEV;
 }
 
-- 
GitLab


From a1c1f5eab7d8c3b4f645df8ce2882ff4f578aa45 Mon Sep 17 00:00:00 2001
From: Einar Lueck <elelueck@de.ibm.com>
Date: Wed, 14 Oct 2009 22:54:59 +0000
Subject: [PATCH 0310/1815] ctcm rollback in case of errors

Group device now cleanly reacts to failures during channel start and
implements a clean rollback.

Signed-off-by: Einar Lueck <elelueck@de.ibm.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/s390/net/ctcm_main.c | 59 +++++++++++++++++++++++++-----------
 1 file changed, 42 insertions(+), 17 deletions(-)

diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c
index c5b83874500..db054ed1a8c 100644
--- a/drivers/s390/net/ctcm_main.c
+++ b/drivers/s390/net/ctcm_main.c
@@ -1530,11 +1530,16 @@ static int ctcm_new_device(struct ccwgroup_device *cgdev)
 	struct net_device *dev;
 	struct ccw_device *cdev0;
 	struct ccw_device *cdev1;
+	struct channel *readc;
+	struct channel *writec;
 	int ret;
+	int result;
 
 	priv = dev_get_drvdata(&cgdev->dev);
-	if (!priv)
-		return -ENODEV;
+	if (!priv) {
+		result = -ENODEV;
+		goto out_err_result;
+	}
 
 	cdev0 = cgdev->cdev[0];
 	cdev1 = cgdev->cdev[1];
@@ -1545,31 +1550,40 @@ static int ctcm_new_device(struct ccwgroup_device *cgdev)
 	snprintf(write_id, CTCM_ID_SIZE, "ch-%s", dev_name(&cdev1->dev));
 
 	ret = add_channel(cdev0, type, priv);
-	if (ret)
-		return ret;
+	if (ret) {
+		result = ret;
+		goto out_err_result;
+	}
 	ret = add_channel(cdev1, type, priv);
-	if (ret)
-		return ret;
+	if (ret) {
+		result = ret;
+		goto out_remove_channel1;
+	}
 
 	ret = ccw_device_set_online(cdev0);
 	if (ret != 0) {
-		/* may be ok to fail now - can be done later */
 		CTCM_DBF_TEXT_(TRACE, CTC_DBF_NOTICE,
 			"%s(%s) set_online rc=%d",
 				CTCM_FUNTAIL, read_id, ret);
+		result = -EIO;
+		goto out_remove_channel2;
 	}
 
 	ret = ccw_device_set_online(cdev1);
 	if (ret != 0) {
-		/* may be ok to fail now - can be done later */
 		CTCM_DBF_TEXT_(TRACE, CTC_DBF_NOTICE,
 			"%s(%s) set_online rc=%d",
 				CTCM_FUNTAIL, write_id, ret);
+
+		result = -EIO;
+		goto out_ccw1;
 	}
 
 	dev = ctcm_init_netdevice(priv);
-	if (dev == NULL)
-			goto out;
+	if (dev == NULL) {
+		result = -ENODEV;
+		goto out_ccw2;
+	}
 
 	for (direction = READ; direction <= WRITE; direction++) {
 		priv->channel[direction] =
@@ -1587,12 +1601,14 @@ static int ctcm_new_device(struct ccwgroup_device *cgdev)
 	/* sysfs magic */
 	SET_NETDEV_DEV(dev, &cgdev->dev);
 
-	if (register_netdev(dev))
-			goto out_dev;
+	if (register_netdev(dev)) {
+		result = -ENODEV;
+		goto out_dev;
+	}
 
 	if (ctcm_add_attributes(&cgdev->dev)) {
-		unregister_netdev(dev);
-			goto out_dev;
+		result = -ENODEV;
+		goto out_unregister;
 	}
 
 	strlcpy(priv->fsm->name, dev->name, sizeof(priv->fsm->name));
@@ -1608,13 +1624,22 @@ static int ctcm_new_device(struct ccwgroup_device *cgdev)
 			priv->channel[WRITE]->id, priv->protocol);
 
 	return 0;
+out_unregister:
+	unregister_netdev(dev);
 out_dev:
 	ctcm_free_netdevice(dev);
-out:
+out_ccw2:
 	ccw_device_set_offline(cgdev->cdev[1]);
+out_ccw1:
 	ccw_device_set_offline(cgdev->cdev[0]);
-
-	return -ENODEV;
+out_remove_channel2:
+	readc = channel_get(type, read_id, READ);
+	channel_remove(readc);
+out_remove_channel1:
+	writec = channel_get(type, write_id, WRITE);
+	channel_remove(writec);
+out_err_result:
+	return result;
 }
 
 /**
-- 
GitLab


From 0d9a40de60a4470777913d8d42044ae548e6545d Mon Sep 17 00:00:00 2001
From: Krishna Kumar <krkumar2@in.ibm.com>
Date: Wed, 14 Oct 2009 19:54:19 +0000
Subject: [PATCH 0311/1815] cxgb3: No need to wake queue in xmit handler

The xmit handler doesn't need to wake the queue after stopping
it temporarily (some other drivers are doing the same).

Patch on net-next-2.6, multiple netperf sessions tested.

Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com>
Acked-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/cxgb3/sge.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c
index b7f4ee40879..47b352d982c 100644
--- a/drivers/net/cxgb3/sge.c
+++ b/drivers/net/cxgb3/sge.c
@@ -1260,7 +1260,7 @@ netdev_tx_t t3_eth_xmit(struct sk_buff *skb, struct net_device *dev)
 		if (should_restart_tx(q) &&
 		    test_and_clear_bit(TXQ_ETH, &qs->txq_stopped)) {
 			q->restarts++;
-			netif_tx_wake_queue(txq);
+			netif_tx_start_queue(txq);
 		}
 	}
 
-- 
GitLab


From 93860b08e31a3202b6e67e386811545e719a0165 Mon Sep 17 00:00:00 2001
From: Krishna Kumar <krkumar2@in.ibm.com>
Date: Wed, 14 Oct 2009 19:54:53 +0000
Subject: [PATCH 0312/1815] genetlink: Optimize genl_register_family()

genl_register_family() doesn't need to call genl_family_find_byid
when GENL_ID_GENERATE is passed during register.

Patch on net-next-2.6, compile and reboot testing only.

Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/netlink/genetlink.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index 44ff3f3810f..ddfdb7d2e02 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -374,11 +374,6 @@ int genl_register_family(struct genl_family *family)
 		goto errout_locked;
 	}
 
-	if (genl_family_find_byid(family->id)) {
-		err = -EEXIST;
-		goto errout_locked;
-	}
-
 	if (family->id == GENL_ID_GENERATE) {
 		u16 newid = genl_generate_id();
 
@@ -388,6 +383,9 @@ int genl_register_family(struct genl_family *family)
 		}
 
 		family->id = newid;
+	} else if (genl_family_find_byid(family->id)) {
+		err = -EEXIST;
+		goto errout_locked;
 	}
 
 	if (family->maxattr) {
-- 
GitLab


From 988ade6b8e27e79311812f83a87b5cea11fabcd7 Mon Sep 17 00:00:00 2001
From: Krishna Kumar <krkumar2@in.ibm.com>
Date: Wed, 14 Oct 2009 19:55:07 +0000
Subject: [PATCH 0313/1815] genetlink: Optimize and one bug fix in
 genl_generate_id()

1. GENL_MIN_ID is a valid id -> no need to start at
   GENL_MIN_ID + 1.
2. Avoid going through the ids two times: If we start at
   GENL_MIN_ID+1 (*or bigger*) and all ids are over!, the
   code iterates through the list twice (*or lesser*).
3. Simplify code - no need to start at idx=0 which gets
   reset to GENL_MIN_ID.

Patch on net-next-2.6. Reboot test shows that first id
passed to genl_register_family was 16, next two were
GENL_ID_GENERATE and genl_generate_id returned 17 & 18
(user level testing of same code shows expected values
across entire range of MIN/MAX).

Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/netlink/genetlink.c | 24 ++++++++----------------
 1 file changed, 8 insertions(+), 16 deletions(-)

diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index ddfdb7d2e02..d07ecda0a92 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -97,25 +97,17 @@ static struct genl_ops *genl_get_cmd(u8 cmd, struct genl_family *family)
 */
 static inline u16 genl_generate_id(void)
 {
-	static u16 id_gen_idx;
-	int overflowed = 0;
+	static u16 id_gen_idx = GENL_MIN_ID;
+	int i;
 
-	do {
-		if (id_gen_idx == 0)
+	for (i = 0; i <= GENL_MAX_ID - GENL_MIN_ID; i++) {
+		if (!genl_family_find_byid(id_gen_idx))
+			return id_gen_idx;
+		if (++id_gen_idx > GENL_MAX_ID)
 			id_gen_idx = GENL_MIN_ID;
+	}
 
-		if (++id_gen_idx > GENL_MAX_ID) {
-			if (!overflowed) {
-				overflowed = 1;
-				id_gen_idx = 0;
-				continue;
-			} else
-				return 0;
-		}
-
-	} while (genl_family_find_byid(id_gen_idx));
-
-	return id_gen_idx;
+	return 0;
 }
 
 static struct genl_multicast_group notify_grp;
-- 
GitLab


From c720c7e8383aff1cb219bddf474ed89d850336e3 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 15 Oct 2009 06:30:45 +0000
Subject: [PATCH 0314/1815] inet: rename some inet_sock fields

In order to have better cache layouts of struct sock (separate zones
for rx/tx paths), we need this preliminary patch.

Goal is to transfert fields used at lookup time in the first
read-mostly cache line (inside struct sock_common) and move sk_refcnt
to a separate cache line (only written by rx path)

This patch adds inet_ prefix to daddr, rcv_saddr, dport, num, saddr,
sport and id fields. This allows a future patch to define these
fields as macros, like sk_refcnt, without name clashes.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/pppol2tp.c                        | 22 +++---
 fs/ocfs2/cluster/netdebug.c                   |  8 +--
 include/linux/ipv6.h                          |  2 +-
 include/net/inet6_hashtables.h                |  4 +-
 include/net/inet_hashtables.h                 | 12 ++--
 include/net/inet_sock.h                       | 36 +++++-----
 include/net/inet_timewait_sock.h              |  2 +-
 include/net/ip.h                              | 12 ++--
 net/dccp/ipv4.c                               | 40 ++++++-----
 net/dccp/ipv6.c                               | 27 +++----
 net/dccp/output.c                             |  4 +-
 net/dccp/probe.c                              | 13 ++--
 net/dccp/proto.c                              |  4 +-
 net/ipv4/af_inet.c                            | 62 ++++++++--------
 net/ipv4/datagram.c                           | 18 ++---
 net/ipv4/inet_connection_sock.c               | 20 +++---
 net/ipv4/inet_diag.c                          | 26 +++----
 net/ipv4/inet_hashtables.c                    | 34 ++++-----
 net/ipv4/inet_timewait_sock.c                 | 12 ++--
 net/ipv4/ip_input.c                           |  2 +-
 net/ipv4/ip_output.c                          | 15 ++--
 net/ipv4/ip_sockglue.c                        |  8 +--
 net/ipv4/ipmr.c                               |  2 +-
 .../netfilter/nf_conntrack_l3proto_ipv4.c     |  8 +--
 net/ipv4/raw.c                                | 30 ++++----
 net/ipv4/tcp.c                                |  4 +-
 net/ipv4/tcp_ipv4.c                           | 70 ++++++++++---------
 net/ipv4/tcp_output.c                         |  4 +-
 net/ipv4/tcp_probe.c                          | 11 +--
 net/ipv4/tcp_timer.c                          |  8 +--
 net/ipv4/udp.c                                | 51 +++++++-------
 net/ipv6/af_inet6.c                           | 28 ++++----
 net/ipv6/datagram.c                           | 15 ++--
 net/ipv6/inet6_connection_sock.c              |  6 +-
 net/ipv6/inet6_hashtables.c                   | 12 ++--
 net/ipv6/ip6mr.c                              |  2 +-
 net/ipv6/ipv6_sockglue.c                      |  6 +-
 net/ipv6/raw.c                                | 30 ++++----
 net/ipv6/syncookies.c                         |  2 +-
 net/ipv6/tcp_ipv6.c                           | 32 +++++----
 net/ipv6/udp.c                                | 24 +++----
 net/netfilter/xt_socket.c                     |  2 +-
 net/rds/tcp_listen.c                          |  8 +--
 net/sctp/protocol.c                           |  8 +--
 net/sctp/socket.c                             | 30 ++++----
 net/sunrpc/svcsock.c                          |  8 +--
 security/lsm_audit.c                          | 12 ++--
 47 files changed, 408 insertions(+), 388 deletions(-)

diff --git a/drivers/net/pppol2tp.c b/drivers/net/pppol2tp.c
index 5910df60c93..849cc9c62c2 100644
--- a/drivers/net/pppol2tp.c
+++ b/drivers/net/pppol2tp.c
@@ -516,7 +516,7 @@ static inline int pppol2tp_verify_udp_checksum(struct sock *sk,
 		return 0;
 
 	inet = inet_sk(sk);
-	psum = csum_tcpudp_nofold(inet->saddr, inet->daddr, ulen,
+	psum = csum_tcpudp_nofold(inet->inet_saddr, inet->inet_daddr, ulen,
 				  IPPROTO_UDP, 0);
 
 	if ((skb->ip_summed == CHECKSUM_COMPLETE) &&
@@ -949,8 +949,8 @@ static int pppol2tp_sendmsg(struct kiocb *iocb, struct socket *sock, struct msgh
 	inet = inet_sk(sk_tun);
 	udp_len = hdr_len + sizeof(ppph) + total_len;
 	uh = (struct udphdr *) skb->data;
-	uh->source = inet->sport;
-	uh->dest = inet->dport;
+	uh->source = inet->inet_sport;
+	uh->dest = inet->inet_dport;
 	uh->len = htons(udp_len);
 	uh->check = 0;
 	skb_put(skb, sizeof(struct udphdr));
@@ -978,7 +978,8 @@ static int pppol2tp_sendmsg(struct kiocb *iocb, struct socket *sock, struct msgh
 	else if (!(skb_dst(skb)->dev->features & NETIF_F_V4_CSUM)) {
 		skb->ip_summed = CHECKSUM_COMPLETE;
 		csum = skb_checksum(skb, 0, udp_len, 0);
-		uh->check = csum_tcpudp_magic(inet->saddr, inet->daddr,
+		uh->check = csum_tcpudp_magic(inet->inet_saddr,
+					      inet->inet_daddr,
 					      udp_len, IPPROTO_UDP, csum);
 		if (uh->check == 0)
 			uh->check = CSUM_MANGLED_0;
@@ -986,7 +987,8 @@ static int pppol2tp_sendmsg(struct kiocb *iocb, struct socket *sock, struct msgh
 		skb->ip_summed = CHECKSUM_PARTIAL;
 		skb->csum_start = skb_transport_header(skb) - skb->head;
 		skb->csum_offset = offsetof(struct udphdr, check);
-		uh->check = ~csum_tcpudp_magic(inet->saddr, inet->daddr,
+		uh->check = ~csum_tcpudp_magic(inet->inet_saddr,
+					       inet->inet_daddr,
 					       udp_len, IPPROTO_UDP, 0);
 	}
 
@@ -1136,8 +1138,8 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb)
 	__skb_push(skb, sizeof(*uh));
 	skb_reset_transport_header(skb);
 	uh = udp_hdr(skb);
-	uh->source = inet->sport;
-	uh->dest = inet->dport;
+	uh->source = inet->inet_sport;
+	uh->dest = inet->inet_dport;
 	uh->len = htons(udp_len);
 	uh->check = 0;
 
@@ -1181,7 +1183,8 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb)
 	else if (!(skb_dst(skb)->dev->features & NETIF_F_V4_CSUM)) {
 		skb->ip_summed = CHECKSUM_COMPLETE;
 		csum = skb_checksum(skb, 0, udp_len, 0);
-		uh->check = csum_tcpudp_magic(inet->saddr, inet->daddr,
+		uh->check = csum_tcpudp_magic(inet->inet_saddr,
+					      inet->inet_daddr,
 					      udp_len, IPPROTO_UDP, csum);
 		if (uh->check == 0)
 			uh->check = CSUM_MANGLED_0;
@@ -1189,7 +1192,8 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb)
 		skb->ip_summed = CHECKSUM_PARTIAL;
 		skb->csum_start = skb_transport_header(skb) - skb->head;
 		skb->csum_offset = offsetof(struct udphdr, check);
-		uh->check = ~csum_tcpudp_magic(inet->saddr, inet->daddr,
+		uh->check = ~csum_tcpudp_magic(inet->inet_saddr,
+					       inet->inet_daddr,
 					       udp_len, IPPROTO_UDP, 0);
 	}
 
diff --git a/fs/ocfs2/cluster/netdebug.c b/fs/ocfs2/cluster/netdebug.c
index da794bc07a6..a3f150e52b0 100644
--- a/fs/ocfs2/cluster/netdebug.c
+++ b/fs/ocfs2/cluster/netdebug.c
@@ -294,10 +294,10 @@ static int sc_seq_show(struct seq_file *seq, void *v)
 		if (sc->sc_sock) {
 			inet = inet_sk(sc->sc_sock->sk);
 			/* the stack's structs aren't sparse endian clean */
-			saddr = (__force __be32)inet->saddr;
-			daddr = (__force __be32)inet->daddr;
-			sport = (__force __be16)inet->sport;
-			dport = (__force __be16)inet->dport;
+			saddr = (__force __be32)inet->inet_saddr;
+			daddr = (__force __be32)inet->inet_daddr;
+			sport = (__force __be16)inet->inet_sport;
+			dport = (__force __be16)inet->inet_dport;
 		}
 
 		/* XXX sigh, inet-> doesn't have sparse annotation so any
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 56404251248..e0cc9a7db2b 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -505,7 +505,7 @@ static inline struct raw6_sock *raw6_sk(const struct sock *sk)
 
 #define INET6_MATCH(__sk, __net, __hash, __saddr, __daddr, __ports, __dif)\
 	(((__sk)->sk_hash == (__hash)) && sock_net((__sk)) == (__net)	&& \
-	 ((*((__portpair *)&(inet_sk(__sk)->dport))) == (__ports))  	&& \
+	 ((*((__portpair *)&(inet_sk(__sk)->inet_dport))) == (__ports)) && \
 	 ((__sk)->sk_family		== AF_INET6)		&& \
 	 ipv6_addr_equal(&inet6_sk(__sk)->daddr, (__saddr))	&& \
 	 ipv6_addr_equal(&inet6_sk(__sk)->rcv_saddr, (__daddr))	&& \
diff --git a/include/net/inet6_hashtables.h b/include/net/inet6_hashtables.h
index 22c73a77cd9..92838d3a1ab 100644
--- a/include/net/inet6_hashtables.h
+++ b/include/net/inet6_hashtables.h
@@ -46,8 +46,8 @@ static inline int inet6_sk_ehashfn(const struct sock *sk)
 	const struct ipv6_pinfo *np = inet6_sk(sk);
 	const struct in6_addr *laddr = &np->rcv_saddr;
 	const struct in6_addr *faddr = &np->daddr;
-	const __u16 lport = inet->num;
-	const __be16 fport = inet->dport;
+	const __u16 lport = inet->inet_num;
+	const __be16 fport = inet->inet_dport;
 	struct net *net = sock_net(sk);
 
 	return inet6_ehashfn(net, laddr, lport, faddr, fport);
diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h
index 5f11c4a0dac..5b698b3b463 100644
--- a/include/net/inet_hashtables.h
+++ b/include/net/inet_hashtables.h
@@ -241,7 +241,7 @@ static inline int inet_lhashfn(struct net *net, const unsigned short num)
 
 static inline int inet_sk_listen_hashfn(const struct sock *sk)
 {
-	return inet_lhashfn(sock_net(sk), inet_sk(sk)->num);
+	return inet_lhashfn(sock_net(sk), inet_sk(sk)->inet_num);
 }
 
 /* Caller must disable local BH processing. */
@@ -301,8 +301,8 @@ typedef __u64 __bitwise __addrpair;
 #endif /* __BIG_ENDIAN */
 #define INET_MATCH(__sk, __net, __hash, __cookie, __saddr, __daddr, __ports, __dif)\
 	(((__sk)->sk_hash == (__hash)) && net_eq(sock_net(__sk), (__net)) &&	\
-	 ((*((__addrpair *)&(inet_sk(__sk)->daddr))) == (__cookie))	&&	\
-	 ((*((__portpair *)&(inet_sk(__sk)->dport))) == (__ports))	&&	\
+	 ((*((__addrpair *)&(inet_sk(__sk)->inet_daddr))) == (__cookie))  &&	\
+	 ((*((__portpair *)&(inet_sk(__sk)->inet_dport))) == (__ports))   &&	\
 	 (!((__sk)->sk_bound_dev_if) || ((__sk)->sk_bound_dev_if == (__dif))))
 #define INET_TW_MATCH(__sk, __net, __hash, __cookie, __saddr, __daddr, __ports, __dif)\
 	(((__sk)->sk_hash == (__hash)) && net_eq(sock_net(__sk), (__net)) &&	\
@@ -313,9 +313,9 @@ typedef __u64 __bitwise __addrpair;
 #define INET_ADDR_COOKIE(__name, __saddr, __daddr)
 #define INET_MATCH(__sk, __net, __hash, __cookie, __saddr, __daddr, __ports, __dif)	\
 	(((__sk)->sk_hash == (__hash)) && net_eq(sock_net(__sk), (__net))	&&	\
-	 (inet_sk(__sk)->daddr		== (__saddr))		&&	\
-	 (inet_sk(__sk)->rcv_saddr	== (__daddr))		&&	\
-	 ((*((__portpair *)&(inet_sk(__sk)->dport))) == (__ports))	&&	\
+	 (inet_sk(__sk)->inet_daddr	== (__saddr))		&&	\
+	 (inet_sk(__sk)->inet_rcv_saddr	== (__daddr))		&&	\
+	 ((*((__portpair *)&(inet_sk(__sk)->inet_dport))) == (__ports))	&&	\
 	 (!((__sk)->sk_bound_dev_if) || ((__sk)->sk_bound_dev_if == (__dif))))
 #define INET_TW_MATCH(__sk, __net, __hash,__cookie, __saddr, __daddr, __ports, __dif)	\
 	(((__sk)->sk_hash == (__hash)) && net_eq(sock_net(__sk), (__net))	&&	\
diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index 47004f35cc7..bd4c53f75ac 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -93,14 +93,14 @@ struct rtable;
  *
  * @sk - ancestor class
  * @pinet6 - pointer to IPv6 control block
- * @daddr - Foreign IPv4 addr
- * @rcv_saddr - Bound local IPv4 addr
- * @dport - Destination port
- * @num - Local port
- * @saddr - Sending source
+ * @inet_daddr - Foreign IPv4 addr
+ * @inet_rcv_saddr - Bound local IPv4 addr
+ * @inet_dport - Destination port
+ * @inet_num - Local port
+ * @inet_saddr - Sending source
  * @uc_ttl - Unicast TTL
- * @sport - Source port
- * @id - ID counter for DF pkts
+ * @inet_sport - Source port
+ * @inet_id - ID counter for DF pkts
  * @tos - TOS
  * @mc_ttl - Multicasting TTL
  * @is_icsk - is this an inet_connection_sock?
@@ -115,16 +115,16 @@ struct inet_sock {
 	struct ipv6_pinfo	*pinet6;
 #endif
 	/* Socket demultiplex comparisons on incoming packets. */
-	__be32			daddr;
-	__be32			rcv_saddr;
-	__be16			dport;
-	__u16			num;
-	__be32			saddr;
+	__be32			inet_daddr;
+	__be32			inet_rcv_saddr;
+	__be16			inet_dport;
+	__u16			inet_num;
+	__be32			inet_saddr;
 	__s16			uc_ttl;
 	__u16			cmsg_flags;
 	struct ip_options	*opt;
-	__be16			sport;
-	__u16			id;
+	__be16			inet_sport;
+	__u16			inet_id;
 	__u8			tos;
 	__u8			mc_ttl;
 	__u8			pmtudisc;
@@ -190,10 +190,10 @@ static inline unsigned int inet_ehashfn(struct net *net,
 static inline int inet_sk_ehashfn(const struct sock *sk)
 {
 	const struct inet_sock *inet = inet_sk(sk);
-	const __be32 laddr = inet->rcv_saddr;
-	const __u16 lport = inet->num;
-	const __be32 faddr = inet->daddr;
-	const __be16 fport = inet->dport;
+	const __be32 laddr = inet->inet_rcv_saddr;
+	const __u16 lport = inet->inet_num;
+	const __be32 faddr = inet->inet_daddr;
+	const __be16 fport = inet->inet_dport;
 	struct net *net = sock_net(sk);
 
 	return inet_ehashfn(net, laddr, lport, faddr, fport);
diff --git a/include/net/inet_timewait_sock.h b/include/net/inet_timewait_sock.h
index b63b80fac56..37f3aea074a 100644
--- a/include/net/inet_timewait_sock.h
+++ b/include/net/inet_timewait_sock.h
@@ -194,7 +194,7 @@ static inline struct inet_timewait_sock *inet_twsk(const struct sock *sk)
 static inline __be32 inet_rcv_saddr(const struct sock *sk)
 {
 	return likely(sk->sk_state != TCP_TIME_WAIT) ?
-		inet_sk(sk)->rcv_saddr : inet_twsk(sk)->tw_rcv_saddr;
+		inet_sk(sk)->inet_rcv_saddr : inet_twsk(sk)->tw_rcv_saddr;
 }
 
 extern void inet_twsk_put(struct inet_timewait_sock *tw);
diff --git a/include/net/ip.h b/include/net/ip.h
index 2f47e5482b5..376adf47764 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -240,8 +240,8 @@ static inline void ip_select_ident(struct iphdr *iph, struct dst_entry *dst, str
 		 * does not change, they drop every other packet in
 		 * a TCP stream using header compression.
 		 */
-		iph->id = (sk && inet_sk(sk)->daddr) ?
-					htons(inet_sk(sk)->id++) : 0;
+		iph->id = (sk && inet_sk(sk)->inet_daddr) ?
+					htons(inet_sk(sk)->inet_id++) : 0;
 	} else
 		__ip_select_ident(iph, dst, 0);
 }
@@ -249,9 +249,9 @@ static inline void ip_select_ident(struct iphdr *iph, struct dst_entry *dst, str
 static inline void ip_select_ident_more(struct iphdr *iph, struct dst_entry *dst, struct sock *sk, int more)
 {
 	if (iph->frag_off & htons(IP_DF)) {
-		if (sk && inet_sk(sk)->daddr) {
-			iph->id = htons(inet_sk(sk)->id);
-			inet_sk(sk)->id += 1 + more;
+		if (sk && inet_sk(sk)->inet_daddr) {
+			iph->id = htons(inet_sk(sk)->inet_id);
+			inet_sk(sk)->inet_id += 1 + more;
 		} else
 			iph->id = 0;
 	} else
@@ -317,7 +317,7 @@ static inline void ip_ib_mc_map(__be32 naddr, const unsigned char *broadcast, ch
 
 static __inline__ void inet_reset_saddr(struct sock *sk)
 {
-	inet_sk(sk)->rcv_saddr = inet_sk(sk)->saddr = 0;
+	inet_sk(sk)->inet_rcv_saddr = inet_sk(sk)->inet_saddr = 0;
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
 	if (sk->sk_family == PF_INET6) {
 		struct ipv6_pinfo *np = inet6_sk(sk);
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index 7302e1498d4..00028d4b09d 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -62,10 +62,10 @@ int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 		nexthop = inet->opt->faddr;
 	}
 
-	tmp = ip_route_connect(&rt, nexthop, inet->saddr,
+	tmp = ip_route_connect(&rt, nexthop, inet->inet_saddr,
 			       RT_CONN_FLAGS(sk), sk->sk_bound_dev_if,
 			       IPPROTO_DCCP,
-			       inet->sport, usin->sin_port, sk, 1);
+			       inet->inet_sport, usin->sin_port, sk, 1);
 	if (tmp < 0)
 		return tmp;
 
@@ -77,12 +77,12 @@ int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 	if (inet->opt == NULL || !inet->opt->srr)
 		daddr = rt->rt_dst;
 
-	if (inet->saddr == 0)
-		inet->saddr = rt->rt_src;
-	inet->rcv_saddr = inet->saddr;
+	if (inet->inet_saddr == 0)
+		inet->inet_saddr = rt->rt_src;
+	inet->inet_rcv_saddr = inet->inet_saddr;
 
-	inet->dport = usin->sin_port;
-	inet->daddr = daddr;
+	inet->inet_dport = usin->sin_port;
+	inet->inet_daddr = daddr;
 
 	inet_csk(sk)->icsk_ext_hdr_len = 0;
 	if (inet->opt != NULL)
@@ -98,17 +98,19 @@ int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 	if (err != 0)
 		goto failure;
 
-	err = ip_route_newports(&rt, IPPROTO_DCCP, inet->sport, inet->dport,
-				sk);
+	err = ip_route_newports(&rt, IPPROTO_DCCP, inet->inet_sport,
+				inet->inet_dport, sk);
 	if (err != 0)
 		goto failure;
 
 	/* OK, now commit destination to socket.  */
 	sk_setup_caps(sk, &rt->u.dst);
 
-	dp->dccps_iss = secure_dccp_sequence_number(inet->saddr, inet->daddr,
-						    inet->sport, inet->dport);
-	inet->id = dp->dccps_iss ^ jiffies;
+	dp->dccps_iss = secure_dccp_sequence_number(inet->inet_saddr,
+						    inet->inet_daddr,
+						    inet->inet_sport,
+						    inet->inet_dport);
+	inet->inet_id = dp->dccps_iss ^ jiffies;
 
 	err = dccp_connect(sk);
 	rt = NULL;
@@ -123,7 +125,7 @@ failure:
 	dccp_set_state(sk, DCCP_CLOSED);
 	ip_rt_put(rt);
 	sk->sk_route_caps = 0;
-	inet->dport = 0;
+	inet->inet_dport = 0;
 	goto out;
 }
 
@@ -352,7 +354,9 @@ void dccp_v4_send_check(struct sock *sk, int unused, struct sk_buff *skb)
 	struct dccp_hdr *dh = dccp_hdr(skb);
 
 	dccp_csum_outgoing(skb);
-	dh->dccph_checksum = dccp_v4_csum_finish(skb, inet->saddr, inet->daddr);
+	dh->dccph_checksum = dccp_v4_csum_finish(skb,
+						 inet->inet_saddr,
+						 inet->inet_daddr);
 }
 
 EXPORT_SYMBOL_GPL(dccp_v4_send_check);
@@ -393,14 +397,14 @@ struct sock *dccp_v4_request_recv_sock(struct sock *sk, struct sk_buff *skb,
 
 	newinet		   = inet_sk(newsk);
 	ireq		   = inet_rsk(req);
-	newinet->daddr	   = ireq->rmt_addr;
-	newinet->rcv_saddr = ireq->loc_addr;
-	newinet->saddr	   = ireq->loc_addr;
+	newinet->inet_daddr	= ireq->rmt_addr;
+	newinet->inet_rcv_saddr = ireq->loc_addr;
+	newinet->inet_saddr	= ireq->loc_addr;
 	newinet->opt	   = ireq->opt;
 	ireq->opt	   = NULL;
 	newinet->mc_index  = inet_iif(skb);
 	newinet->mc_ttl	   = ip_hdr(skb)->ttl;
-	newinet->id	   = jiffies;
+	newinet->inet_id   = jiffies;
 
 	dccp_sync_mss(newsk, dst_mtu(dst));
 
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index a2afb553d8b..6d89f9f7d5d 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -158,8 +158,8 @@ static void dccp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 			ipv6_addr_copy(&fl.fl6_dst, &np->daddr);
 			ipv6_addr_copy(&fl.fl6_src, &np->saddr);
 			fl.oif = sk->sk_bound_dev_if;
-			fl.fl_ip_dport = inet->dport;
-			fl.fl_ip_sport = inet->sport;
+			fl.fl_ip_dport = inet->inet_dport;
+			fl.fl_ip_sport = inet->inet_sport;
 			security_sk_classify_flow(sk, &fl);
 
 			err = ip6_dst_lookup(sk, &dst, &fl);
@@ -510,9 +510,9 @@ static struct sock *dccp_v6_request_recv_sock(struct sock *sk,
 
 		memcpy(newnp, np, sizeof(struct ipv6_pinfo));
 
-		ipv6_addr_set_v4mapped(newinet->daddr, &newnp->daddr);
+		ipv6_addr_set_v4mapped(newinet->inet_daddr, &newnp->daddr);
 
-		ipv6_addr_set_v4mapped(newinet->saddr, &newnp->saddr);
+		ipv6_addr_set_v4mapped(newinet->inet_saddr, &newnp->saddr);
 
 		ipv6_addr_copy(&newnp->rcv_saddr, &newnp->saddr);
 
@@ -640,7 +640,8 @@ static struct sock *dccp_v6_request_recv_sock(struct sock *sk,
 
 	dccp_sync_mss(newsk, dst_mtu(dst));
 
-	newinet->daddr = newinet->saddr = newinet->rcv_saddr = LOOPBACK4_IPV6;
+	newinet->inet_daddr = newinet->inet_saddr = LOOPBACK4_IPV6;
+	newinet->inet_rcv_saddr = LOOPBACK4_IPV6;
 
 	__inet6_hash(newsk);
 	__inet_inherit_port(sk, newsk);
@@ -968,10 +969,9 @@ static int dccp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
 			icsk->icsk_af_ops = &dccp_ipv6_af_ops;
 			sk->sk_backlog_rcv = dccp_v6_do_rcv;
 			goto failure;
-		} else {
-			ipv6_addr_set_v4mapped(inet->saddr, &np->saddr);
-			ipv6_addr_set_v4mapped(inet->rcv_saddr, &np->rcv_saddr);
 		}
+		ipv6_addr_set_v4mapped(inet->inet_saddr, &np->saddr);
+		ipv6_addr_set_v4mapped(inet->inet_rcv_saddr, &np->rcv_saddr);
 
 		return err;
 	}
@@ -984,7 +984,7 @@ static int dccp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
 	ipv6_addr_copy(&fl.fl6_src, saddr ? saddr : &np->saddr);
 	fl.oif = sk->sk_bound_dev_if;
 	fl.fl_ip_dport = usin->sin6_port;
-	fl.fl_ip_sport = inet->sport;
+	fl.fl_ip_sport = inet->inet_sport;
 	security_sk_classify_flow(sk, &fl);
 
 	if (np->opt != NULL && np->opt->srcrt != NULL) {
@@ -1017,7 +1017,7 @@ static int dccp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
 
 	/* set the source address */
 	ipv6_addr_copy(&np->saddr, saddr);
-	inet->rcv_saddr = LOOPBACK4_IPV6;
+	inet->inet_rcv_saddr = LOOPBACK4_IPV6;
 
 	__ip6_dst_store(sk, dst, NULL, NULL);
 
@@ -1026,7 +1026,7 @@ static int dccp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
 		icsk->icsk_ext_hdr_len = (np->opt->opt_flen +
 					  np->opt->opt_nflen);
 
-	inet->dport = usin->sin6_port;
+	inet->inet_dport = usin->sin6_port;
 
 	dccp_set_state(sk, DCCP_REQUESTING);
 	err = inet6_hash_connect(&dccp_death_row, sk);
@@ -1035,7 +1035,8 @@ static int dccp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
 
 	dp->dccps_iss = secure_dccpv6_sequence_number(np->saddr.s6_addr32,
 						      np->daddr.s6_addr32,
-						      inet->sport, inet->dport);
+						      inet->inet_sport,
+						      inet->inet_dport);
 	err = dccp_connect(sk);
 	if (err)
 		goto late_failure;
@@ -1046,7 +1047,7 @@ late_failure:
 	dccp_set_state(sk, DCCP_CLOSED);
 	__sk_dst_reset(sk);
 failure:
-	inet->dport = 0;
+	inet->inet_dport = 0;
 	sk->sk_route_caps = 0;
 	return err;
 }
diff --git a/net/dccp/output.c b/net/dccp/output.c
index c96119fda68..d6bb753bf6a 100644
--- a/net/dccp/output.c
+++ b/net/dccp/output.c
@@ -99,8 +99,8 @@ static int dccp_transmit_skb(struct sock *sk, struct sk_buff *skb)
 		/* Build DCCP header and checksum it. */
 		dh = dccp_zeroed_hdr(skb, dccp_header_size);
 		dh->dccph_type	= dcb->dccpd_type;
-		dh->dccph_sport	= inet->sport;
-		dh->dccph_dport	= inet->dport;
+		dh->dccph_sport	= inet->inet_sport;
+		dh->dccph_dport	= inet->inet_dport;
 		dh->dccph_doff	= (dccp_header_size + dcb->dccpd_opt_len) / 4;
 		dh->dccph_ccval	= dcb->dccpd_ccval;
 		dh->dccph_cscov = dp->dccps_pcslen;
diff --git a/net/dccp/probe.c b/net/dccp/probe.c
index 5e6ec8b9b7b..dc328425fa2 100644
--- a/net/dccp/probe.c
+++ b/net/dccp/probe.c
@@ -80,19 +80,20 @@ static int jdccp_sendmsg(struct kiocb *iocb, struct sock *sk,
 	if (ccid_get_current_tx_ccid(dccp_sk(sk)) == DCCPC_CCID3)
 		hc = ccid3_hc_tx_sk(sk);
 
-	if (port == 0 || ntohs(inet->dport) == port ||
-	    ntohs(inet->sport) == port) {
+	if (port == 0 || ntohs(inet->inet_dport) == port ||
+	    ntohs(inet->inet_sport) == port) {
 		if (hc)
 			printl("%pI4:%u %pI4:%u %d %d %d %d %u %llu %llu %d\n",
-			       &inet->saddr, ntohs(inet->sport),
-			       &inet->daddr, ntohs(inet->dport), size,
+			       &inet->inet_saddr, ntohs(inet->inet_sport),
+			       &inet->inet_daddr, ntohs(inet->inet_dport), size,
 			       hc->tx_s, hc->tx_rtt, hc->tx_p,
 			       hc->tx_x_calc, hc->tx_x_recv >> 6,
 			       hc->tx_x >> 6, hc->tx_t_ipi);
 		else
 			printl("%pI4:%u %pI4:%u %d\n",
-			       &inet->saddr, ntohs(inet->sport),
-			       &inet->daddr, ntohs(inet->dport), size);
+			       &inet->inet_saddr, ntohs(inet->inet_sport),
+			       &inet->inet_daddr, ntohs(inet->inet_dport),
+			       size);
 	}
 
 	jprobe_return();
diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index ecb203fff50..671cd1413d5 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -278,7 +278,7 @@ int dccp_disconnect(struct sock *sk, int flags)
 		sk->sk_send_head = NULL;
 	}
 
-	inet->dport = 0;
+	inet->inet_dport = 0;
 
 	if (!(sk->sk_userlocks & SOCK_BINDADDR_LOCK))
 		inet_reset_saddr(sk);
@@ -290,7 +290,7 @@ int dccp_disconnect(struct sock *sk, int flags)
 	inet_csk_delack_init(sk);
 	__sk_dst_reset(sk);
 
-	WARN_ON(inet->num && !icsk->icsk_bind_hash);
+	WARN_ON(inet->inet_num && !icsk->icsk_bind_hash);
 
 	sk->sk_error_report(sk);
 	return err;
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 1deff48b122..04a14b1600a 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -174,12 +174,12 @@ static int inet_autobind(struct sock *sk)
 	/* We may need to bind the socket. */
 	lock_sock(sk);
 	inet = inet_sk(sk);
-	if (!inet->num) {
+	if (!inet->inet_num) {
 		if (sk->sk_prot->get_port(sk, 0)) {
 			release_sock(sk);
 			return -EAGAIN;
 		}
-		inet->sport = htons(inet->num);
+		inet->inet_sport = htons(inet->inet_num);
 	}
 	release_sock(sk);
 	return 0;
@@ -354,7 +354,7 @@ lookup_protocol:
 	inet->is_icsk = (INET_PROTOSW_ICSK & answer_flags) != 0;
 
 	if (SOCK_RAW == sock->type) {
-		inet->num = protocol;
+		inet->inet_num = protocol;
 		if (IPPROTO_RAW == protocol)
 			inet->hdrincl = 1;
 	}
@@ -364,7 +364,7 @@ lookup_protocol:
 	else
 		inet->pmtudisc = IP_PMTUDISC_WANT;
 
-	inet->id = 0;
+	inet->inet_id = 0;
 
 	sock_init_data(sock, sk);
 
@@ -381,13 +381,13 @@ lookup_protocol:
 
 	sk_refcnt_debug_inc(sk);
 
-	if (inet->num) {
+	if (inet->inet_num) {
 		/* It assumes that any protocol which allows
 		 * the user to assign a number at socket
 		 * creation time automatically
 		 * shares.
 		 */
-		inet->sport = htons(inet->num);
+		inet->inet_sport = htons(inet->inet_num);
 		/* Add to protocol hash chains. */
 		sk->sk_prot->hash(sk);
 	}
@@ -494,27 +494,27 @@ int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 
 	/* Check these errors (active socket, double bind). */
 	err = -EINVAL;
-	if (sk->sk_state != TCP_CLOSE || inet->num)
+	if (sk->sk_state != TCP_CLOSE || inet->inet_num)
 		goto out_release_sock;
 
-	inet->rcv_saddr = inet->saddr = addr->sin_addr.s_addr;
+	inet->inet_rcv_saddr = inet->inet_saddr = addr->sin_addr.s_addr;
 	if (chk_addr_ret == RTN_MULTICAST || chk_addr_ret == RTN_BROADCAST)
-		inet->saddr = 0;  /* Use device */
+		inet->inet_saddr = 0;  /* Use device */
 
 	/* Make sure we are allowed to bind here. */
 	if (sk->sk_prot->get_port(sk, snum)) {
-		inet->saddr = inet->rcv_saddr = 0;
+		inet->inet_saddr = inet->inet_rcv_saddr = 0;
 		err = -EADDRINUSE;
 		goto out_release_sock;
 	}
 
-	if (inet->rcv_saddr)
+	if (inet->inet_rcv_saddr)
 		sk->sk_userlocks |= SOCK_BINDADDR_LOCK;
 	if (snum)
 		sk->sk_userlocks |= SOCK_BINDPORT_LOCK;
-	inet->sport = htons(inet->num);
-	inet->daddr = 0;
-	inet->dport = 0;
+	inet->inet_sport = htons(inet->inet_num);
+	inet->inet_daddr = 0;
+	inet->inet_dport = 0;
 	sk_dst_reset(sk);
 	err = 0;
 out_release_sock:
@@ -532,7 +532,7 @@ int inet_dgram_connect(struct socket *sock, struct sockaddr * uaddr,
 	if (uaddr->sa_family == AF_UNSPEC)
 		return sk->sk_prot->disconnect(sk, flags);
 
-	if (!inet_sk(sk)->num && inet_autobind(sk))
+	if (!inet_sk(sk)->inet_num && inet_autobind(sk))
 		return -EAGAIN;
 	return sk->sk_prot->connect(sk, (struct sockaddr *)uaddr, addr_len);
 }
@@ -689,17 +689,17 @@ int inet_getname(struct socket *sock, struct sockaddr *uaddr,
 
 	sin->sin_family = AF_INET;
 	if (peer) {
-		if (!inet->dport ||
+		if (!inet->inet_dport ||
 		    (((1 << sk->sk_state) & (TCPF_CLOSE | TCPF_SYN_SENT)) &&
 		     peer == 1))
 			return -ENOTCONN;
-		sin->sin_port = inet->dport;
-		sin->sin_addr.s_addr = inet->daddr;
+		sin->sin_port = inet->inet_dport;
+		sin->sin_addr.s_addr = inet->inet_daddr;
 	} else {
-		__be32 addr = inet->rcv_saddr;
+		__be32 addr = inet->inet_rcv_saddr;
 		if (!addr)
-			addr = inet->saddr;
-		sin->sin_port = inet->sport;
+			addr = inet->inet_saddr;
+		sin->sin_port = inet->inet_sport;
 		sin->sin_addr.s_addr = addr;
 	}
 	memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
@@ -714,7 +714,7 @@ int inet_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
 	struct sock *sk = sock->sk;
 
 	/* We may need to bind the socket. */
-	if (!inet_sk(sk)->num && inet_autobind(sk))
+	if (!inet_sk(sk)->inet_num && inet_autobind(sk))
 		return -EAGAIN;
 
 	return sk->sk_prot->sendmsg(iocb, sk, msg, size);
@@ -728,7 +728,7 @@ static ssize_t inet_sendpage(struct socket *sock, struct page *page, int offset,
 	struct sock *sk = sock->sk;
 
 	/* We may need to bind the socket. */
-	if (!inet_sk(sk)->num && inet_autobind(sk))
+	if (!inet_sk(sk)->inet_num && inet_autobind(sk))
 		return -EAGAIN;
 
 	if (sk->sk_prot->sendpage)
@@ -1059,9 +1059,9 @@ static int inet_sk_reselect_saddr(struct sock *sk)
 	struct inet_sock *inet = inet_sk(sk);
 	int err;
 	struct rtable *rt;
-	__be32 old_saddr = inet->saddr;
+	__be32 old_saddr = inet->inet_saddr;
 	__be32 new_saddr;
-	__be32 daddr = inet->daddr;
+	__be32 daddr = inet->inet_daddr;
 
 	if (inet->opt && inet->opt->srr)
 		daddr = inet->opt->faddr;
@@ -1071,7 +1071,7 @@ static int inet_sk_reselect_saddr(struct sock *sk)
 			       RT_CONN_FLAGS(sk),
 			       sk->sk_bound_dev_if,
 			       sk->sk_protocol,
-			       inet->sport, inet->dport, sk, 0);
+			       inet->inet_sport, inet->inet_dport, sk, 0);
 	if (err)
 		return err;
 
@@ -1087,7 +1087,7 @@ static int inet_sk_reselect_saddr(struct sock *sk)
 		       __func__, &old_saddr, &new_saddr);
 	}
 
-	inet->saddr = inet->rcv_saddr = new_saddr;
+	inet->inet_saddr = inet->inet_rcv_saddr = new_saddr;
 
 	/*
 	 * XXX The only one ugly spot where we need to
@@ -1113,7 +1113,7 @@ int inet_sk_rebuild_header(struct sock *sk)
 		return 0;
 
 	/* Reroute. */
-	daddr = inet->daddr;
+	daddr = inet->inet_daddr;
 	if (inet->opt && inet->opt->srr)
 		daddr = inet->opt->faddr;
 {
@@ -1123,7 +1123,7 @@ int inet_sk_rebuild_header(struct sock *sk)
 		.nl_u = {
 			.ip4_u = {
 				.daddr	= daddr,
-				.saddr	= inet->saddr,
+				.saddr	= inet->inet_saddr,
 				.tos	= RT_CONN_FLAGS(sk),
 			},
 		},
@@ -1131,8 +1131,8 @@ int inet_sk_rebuild_header(struct sock *sk)
 		.flags = inet_sk_flowi_flags(sk),
 		.uli_u = {
 			.ports = {
-				.sport = inet->sport,
-				.dport = inet->dport,
+				.sport = inet->inet_sport,
+				.dport = inet->inet_dport,
 			},
 		},
 	};
diff --git a/net/ipv4/datagram.c b/net/ipv4/datagram.c
index 5e6c5a0f3fd..fb2465811b4 100644
--- a/net/ipv4/datagram.c
+++ b/net/ipv4/datagram.c
@@ -39,7 +39,7 @@ int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 	sk_dst_reset(sk);
 
 	oif = sk->sk_bound_dev_if;
-	saddr = inet->saddr;
+	saddr = inet->inet_saddr;
 	if (ipv4_is_multicast(usin->sin_addr.s_addr)) {
 		if (!oif)
 			oif = inet->mc_index;
@@ -49,7 +49,7 @@ int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 	err = ip_route_connect(&rt, usin->sin_addr.s_addr, saddr,
 			       RT_CONN_FLAGS(sk), oif,
 			       sk->sk_protocol,
-			       inet->sport, usin->sin_port, sk, 1);
+			       inet->inet_sport, usin->sin_port, sk, 1);
 	if (err) {
 		if (err == -ENETUNREACH)
 			IP_INC_STATS_BH(sock_net(sk), IPSTATS_MIB_OUTNOROUTES);
@@ -60,14 +60,14 @@ int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 		ip_rt_put(rt);
 		return -EACCES;
 	}
-	if (!inet->saddr)
-		inet->saddr = rt->rt_src;	/* Update source address */
-	if (!inet->rcv_saddr)
-		inet->rcv_saddr = rt->rt_src;
-	inet->daddr = rt->rt_dst;
-	inet->dport = usin->sin_port;
+	if (!inet->inet_saddr)
+		inet->inet_saddr = rt->rt_src;	/* Update source address */
+	if (!inet->inet_rcv_saddr)
+		inet->inet_rcv_saddr = rt->rt_src;
+	inet->inet_daddr = rt->rt_dst;
+	inet->inet_dport = usin->sin_port;
 	sk->sk_state = TCP_ESTABLISHED;
-	inet->id = jiffies;
+	inet->inet_id = jiffies;
 
 	sk_dst_set(sk, &rt->u.dst);
 	return(0);
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 9139e8f6fdb..f6a0af75993 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -368,7 +368,7 @@ struct dst_entry *inet_csk_route_req(struct sock *sk,
 			    .proto = sk->sk_protocol,
 			    .flags = inet_sk_flowi_flags(sk),
 			    .uli_u = { .ports =
-				       { .sport = inet_sk(sk)->sport,
+				       { .sport = inet_sk(sk)->inet_sport,
 					 .dport = ireq->rmt_port } } };
 	struct net *net = sock_net(sk);
 
@@ -547,9 +547,9 @@ struct sock *inet_csk_clone(struct sock *sk, const struct request_sock *req,
 		newsk->sk_state = TCP_SYN_RECV;
 		newicsk->icsk_bind_hash = NULL;
 
-		inet_sk(newsk)->dport = inet_rsk(req)->rmt_port;
-		inet_sk(newsk)->num = ntohs(inet_rsk(req)->loc_port);
-		inet_sk(newsk)->sport = inet_rsk(req)->loc_port;
+		inet_sk(newsk)->inet_dport = inet_rsk(req)->rmt_port;
+		inet_sk(newsk)->inet_num = ntohs(inet_rsk(req)->loc_port);
+		inet_sk(newsk)->inet_sport = inet_rsk(req)->loc_port;
 		newsk->sk_write_space = sk_stream_write_space;
 
 		newicsk->icsk_retransmits = 0;
@@ -580,8 +580,8 @@ void inet_csk_destroy_sock(struct sock *sk)
 	/* It cannot be in hash table! */
 	WARN_ON(!sk_unhashed(sk));
 
-	/* If it has not 0 inet_sk(sk)->num, it must be bound */
-	WARN_ON(inet_sk(sk)->num && !inet_csk(sk)->icsk_bind_hash);
+	/* If it has not 0 inet_sk(sk)->inet_num, it must be bound */
+	WARN_ON(inet_sk(sk)->inet_num && !inet_csk(sk)->icsk_bind_hash);
 
 	sk->sk_prot->destroy(sk);
 
@@ -616,8 +616,8 @@ int inet_csk_listen_start(struct sock *sk, const int nr_table_entries)
 	 * after validation is complete.
 	 */
 	sk->sk_state = TCP_LISTEN;
-	if (!sk->sk_prot->get_port(sk, inet->num)) {
-		inet->sport = htons(inet->num);
+	if (!sk->sk_prot->get_port(sk, inet->inet_num)) {
+		inet->inet_sport = htons(inet->inet_num);
 
 		sk_dst_reset(sk);
 		sk->sk_prot->hash(sk);
@@ -693,8 +693,8 @@ void inet_csk_addr2sockaddr(struct sock *sk, struct sockaddr *uaddr)
 	const struct inet_sock *inet = inet_sk(sk);
 
 	sin->sin_family		= AF_INET;
-	sin->sin_addr.s_addr	= inet->daddr;
-	sin->sin_port		= inet->dport;
+	sin->sin_addr.s_addr	= inet->inet_daddr;
+	sin->sin_port		= inet->inet_dport;
 }
 
 EXPORT_SYMBOL_GPL(inet_csk_addr2sockaddr);
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index cb73fdefba9..bdb78dd180c 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -116,10 +116,10 @@ static int inet_csk_diag_fill(struct sock *sk,
 	r->id.idiag_cookie[0] = (u32)(unsigned long)sk;
 	r->id.idiag_cookie[1] = (u32)(((unsigned long)sk >> 31) >> 1);
 
-	r->id.idiag_sport = inet->sport;
-	r->id.idiag_dport = inet->dport;
-	r->id.idiag_src[0] = inet->rcv_saddr;
-	r->id.idiag_dst[0] = inet->daddr;
+	r->id.idiag_sport = inet->inet_sport;
+	r->id.idiag_dport = inet->inet_dport;
+	r->id.idiag_src[0] = inet->inet_rcv_saddr;
+	r->id.idiag_dst[0] = inet->inet_daddr;
 
 #if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
 	if (r->idiag_family == AF_INET6) {
@@ -504,11 +504,11 @@ static int inet_csk_diag_dump(struct sock *sk,
 		} else
 #endif
 		{
-			entry.saddr = &inet->rcv_saddr;
-			entry.daddr = &inet->daddr;
+			entry.saddr = &inet->inet_rcv_saddr;
+			entry.daddr = &inet->inet_daddr;
 		}
-		entry.sport = inet->num;
-		entry.dport = ntohs(inet->dport);
+		entry.sport = inet->inet_num;
+		entry.dport = ntohs(inet->inet_dport);
 		entry.userlocks = sk->sk_userlocks;
 
 		if (!inet_diag_bc_run(RTA_DATA(bc), RTA_PAYLOAD(bc), &entry))
@@ -584,7 +584,7 @@ static int inet_diag_fill_req(struct sk_buff *skb, struct sock *sk,
 	if (tmo < 0)
 		tmo = 0;
 
-	r->id.idiag_sport = inet->sport;
+	r->id.idiag_sport = inet->inet_sport;
 	r->id.idiag_dport = ireq->rmt_port;
 	r->id.idiag_src[0] = ireq->loc_addr;
 	r->id.idiag_dst[0] = ireq->rmt_addr;
@@ -639,7 +639,7 @@ static int inet_diag_dump_reqs(struct sk_buff *skb, struct sock *sk,
 
 	if (cb->nlh->nlmsg_len > 4 + NLMSG_SPACE(sizeof(*r))) {
 		bc = (struct rtattr *)(r + 1);
-		entry.sport = inet->num;
+		entry.sport = inet->inet_num;
 		entry.userlocks = sk->sk_userlocks;
 	}
 
@@ -732,7 +732,7 @@ static int inet_diag_dump(struct sk_buff *skb, struct netlink_callback *cb)
 					continue;
 				}
 
-				if (r->id.idiag_sport != inet->sport &&
+				if (r->id.idiag_sport != inet->inet_sport &&
 				    r->id.idiag_sport)
 					goto next_listen;
 
@@ -797,10 +797,10 @@ skip_listen_ht:
 				goto next_normal;
 			if (!(r->idiag_states & (1 << sk->sk_state)))
 				goto next_normal;
-			if (r->id.idiag_sport != inet->sport &&
+			if (r->id.idiag_sport != inet->inet_sport &&
 			    r->id.idiag_sport)
 				goto next_normal;
-			if (r->id.idiag_dport != inet->dport &&
+			if (r->id.idiag_dport != inet->inet_dport &&
 			    r->id.idiag_dport)
 				goto next_normal;
 			if (inet_csk_diag_dump(sk, skb, cb) < 0) {
diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index a45aaf3d48b..47ad7aab51e 100644
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -64,7 +64,7 @@ void inet_bind_hash(struct sock *sk, struct inet_bind_bucket *tb,
 
 	atomic_inc(&hashinfo->bsockets);
 
-	inet_sk(sk)->num = snum;
+	inet_sk(sk)->inet_num = snum;
 	sk_add_bind_node(sk, &tb->owners);
 	tb->num_owners++;
 	inet_csk(sk)->icsk_bind_hash = tb;
@@ -76,7 +76,7 @@ void inet_bind_hash(struct sock *sk, struct inet_bind_bucket *tb,
 static void __inet_put_port(struct sock *sk)
 {
 	struct inet_hashinfo *hashinfo = sk->sk_prot->h.hashinfo;
-	const int bhash = inet_bhashfn(sock_net(sk), inet_sk(sk)->num,
+	const int bhash = inet_bhashfn(sock_net(sk), inet_sk(sk)->inet_num,
 			hashinfo->bhash_size);
 	struct inet_bind_hashbucket *head = &hashinfo->bhash[bhash];
 	struct inet_bind_bucket *tb;
@@ -88,7 +88,7 @@ static void __inet_put_port(struct sock *sk)
 	__sk_del_bind_node(sk);
 	tb->num_owners--;
 	inet_csk(sk)->icsk_bind_hash = NULL;
-	inet_sk(sk)->num = 0;
+	inet_sk(sk)->inet_num = 0;
 	inet_bind_bucket_destroy(hashinfo->bind_bucket_cachep, tb);
 	spin_unlock(&head->lock);
 }
@@ -105,7 +105,7 @@ EXPORT_SYMBOL(inet_put_port);
 void __inet_inherit_port(struct sock *sk, struct sock *child)
 {
 	struct inet_hashinfo *table = sk->sk_prot->h.hashinfo;
-	const int bhash = inet_bhashfn(sock_net(sk), inet_sk(child)->num,
+	const int bhash = inet_bhashfn(sock_net(sk), inet_sk(child)->inet_num,
 			table->bhash_size);
 	struct inet_bind_hashbucket *head = &table->bhash[bhash];
 	struct inet_bind_bucket *tb;
@@ -126,9 +126,9 @@ static inline int compute_score(struct sock *sk, struct net *net,
 	int score = -1;
 	struct inet_sock *inet = inet_sk(sk);
 
-	if (net_eq(sock_net(sk), net) && inet->num == hnum &&
+	if (net_eq(sock_net(sk), net) && inet->inet_num == hnum &&
 			!ipv6_only_sock(sk)) {
-		__be32 rcv_saddr = inet->rcv_saddr;
+		__be32 rcv_saddr = inet->inet_rcv_saddr;
 		score = sk->sk_family == PF_INET ? 1 : 0;
 		if (rcv_saddr) {
 			if (rcv_saddr != daddr)
@@ -273,13 +273,14 @@ static int __inet_check_established(struct inet_timewait_death_row *death_row,
 {
 	struct inet_hashinfo *hinfo = death_row->hashinfo;
 	struct inet_sock *inet = inet_sk(sk);
-	__be32 daddr = inet->rcv_saddr;
-	__be32 saddr = inet->daddr;
+	__be32 daddr = inet->inet_rcv_saddr;
+	__be32 saddr = inet->inet_daddr;
 	int dif = sk->sk_bound_dev_if;
 	INET_ADDR_COOKIE(acookie, saddr, daddr)
-	const __portpair ports = INET_COMBINED_PORTS(inet->dport, lport);
+	const __portpair ports = INET_COMBINED_PORTS(inet->inet_dport, lport);
 	struct net *net = sock_net(sk);
-	unsigned int hash = inet_ehashfn(net, daddr, lport, saddr, inet->dport);
+	unsigned int hash = inet_ehashfn(net, daddr, lport,
+					 saddr, inet->inet_dport);
 	struct inet_ehash_bucket *head = inet_ehash_bucket(hinfo, hash);
 	spinlock_t *lock = inet_ehash_lockp(hinfo, hash);
 	struct sock *sk2;
@@ -312,8 +313,8 @@ static int __inet_check_established(struct inet_timewait_death_row *death_row,
 unique:
 	/* Must record num and sport now. Otherwise we will see
 	 * in hash table socket with a funny identity. */
-	inet->num = lport;
-	inet->sport = htons(lport);
+	inet->inet_num = lport;
+	inet->inet_sport = htons(lport);
 	sk->sk_hash = hash;
 	WARN_ON(!sk_unhashed(sk));
 	__sk_nulls_add_node_rcu(sk, &head->chain);
@@ -341,8 +342,9 @@ not_unique:
 static inline u32 inet_sk_port_offset(const struct sock *sk)
 {
 	const struct inet_sock *inet = inet_sk(sk);
-	return secure_ipv4_port_ephemeral(inet->rcv_saddr, inet->daddr,
-					  inet->dport);
+	return secure_ipv4_port_ephemeral(inet->inet_rcv_saddr,
+					  inet->inet_daddr,
+					  inet->inet_dport);
 }
 
 void __inet_hash_nolisten(struct sock *sk)
@@ -424,7 +426,7 @@ int __inet_hash_connect(struct inet_timewait_death_row *death_row,
 		void (*hash)(struct sock *sk))
 {
 	struct inet_hashinfo *hinfo = death_row->hashinfo;
-	const unsigned short snum = inet_sk(sk)->num;
+	const unsigned short snum = inet_sk(sk)->inet_num;
 	struct inet_bind_hashbucket *head;
 	struct inet_bind_bucket *tb;
 	int ret;
@@ -485,7 +487,7 @@ ok:
 		/* Head lock still held and bh's disabled */
 		inet_bind_hash(sk, tb, port);
 		if (sk_unhashed(sk)) {
-			inet_sk(sk)->sport = htons(port);
+			inet_sk(sk)->inet_sport = htons(port);
 			hash(sk);
 		}
 		spin_unlock(&head->lock);
diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c
index 2fe571155b2..1f5d508bb18 100644
--- a/net/ipv4/inet_timewait_sock.c
+++ b/net/ipv4/inet_timewait_sock.c
@@ -86,7 +86,7 @@ void __inet_twsk_hashdance(struct inet_timewait_sock *tw, struct sock *sk,
 	   Note, that any socket with inet->num != 0 MUST be bound in
 	   binding cache, even if it is closed.
 	 */
-	bhead = &hashinfo->bhash[inet_bhashfn(twsk_net(tw), inet->num,
+	bhead = &hashinfo->bhash[inet_bhashfn(twsk_net(tw), inet->inet_num,
 			hashinfo->bhash_size)];
 	spin_lock(&bhead->lock);
 	tw->tw_tb = icsk->icsk_bind_hash;
@@ -124,14 +124,14 @@ struct inet_timewait_sock *inet_twsk_alloc(const struct sock *sk, const int stat
 		kmemcheck_annotate_bitfield(tw, flags);
 
 		/* Give us an identity. */
-		tw->tw_daddr	    = inet->daddr;
-		tw->tw_rcv_saddr    = inet->rcv_saddr;
+		tw->tw_daddr	    = inet->inet_daddr;
+		tw->tw_rcv_saddr    = inet->inet_rcv_saddr;
 		tw->tw_bound_dev_if = sk->sk_bound_dev_if;
-		tw->tw_num	    = inet->num;
+		tw->tw_num	    = inet->inet_num;
 		tw->tw_state	    = TCP_TIME_WAIT;
 		tw->tw_substate	    = state;
-		tw->tw_sport	    = inet->sport;
-		tw->tw_dport	    = inet->dport;
+		tw->tw_sport	    = inet->inet_sport;
+		tw->tw_dport	    = inet->inet_dport;
 		tw->tw_family	    = sk->sk_family;
 		tw->tw_reuse	    = sk->sk_reuse;
 		tw->tw_hash	    = sk->sk_hash;
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
index 6c98b43badf..fdf51badc8e 100644
--- a/net/ipv4/ip_input.c
+++ b/net/ipv4/ip_input.c
@@ -161,7 +161,7 @@ int ip_call_ra_chain(struct sk_buff *skb)
 		/* If socket is bound to an interface, only report
 		 * the packet if it came  from that interface.
 		 */
-		if (sk && inet_sk(sk)->num == protocol &&
+		if (sk && inet_sk(sk)->inet_num == protocol &&
 		    (!sk->sk_bound_dev_if ||
 		     sk->sk_bound_dev_if == dev->ifindex) &&
 		    sock_net(sk) == dev_net(dev)) {
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index f9895180f48..322b40864ac 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -329,7 +329,7 @@ int ip_queue_xmit(struct sk_buff *skb, int ipfragok)
 		__be32 daddr;
 
 		/* Use correct destination address if we have options. */
-		daddr = inet->daddr;
+		daddr = inet->inet_daddr;
 		if(opt && opt->srr)
 			daddr = opt->faddr;
 
@@ -338,13 +338,13 @@ int ip_queue_xmit(struct sk_buff *skb, int ipfragok)
 					    .mark = sk->sk_mark,
 					    .nl_u = { .ip4_u =
 						      { .daddr = daddr,
-							.saddr = inet->saddr,
+							.saddr = inet->inet_saddr,
 							.tos = RT_CONN_FLAGS(sk) } },
 					    .proto = sk->sk_protocol,
 					    .flags = inet_sk_flowi_flags(sk),
 					    .uli_u = { .ports =
-						       { .sport = inet->sport,
-							 .dport = inet->dport } } };
+						       { .sport = inet->inet_sport,
+							 .dport = inet->inet_dport } } };
 
 			/* If this fails, retransmit mechanism of transport layer will
 			 * keep trying until route appears or the connection times
@@ -379,7 +379,7 @@ packet_routed:
 
 	if (opt && opt->optlen) {
 		iph->ihl += opt->optlen >> 2;
-		ip_options_build(skb, opt, inet->daddr, rt, 0);
+		ip_options_build(skb, opt, inet->inet_daddr, rt, 0);
 	}
 
 	ip_select_ident_more(iph, &rt->u.dst, sk,
@@ -846,7 +846,8 @@ int ip_append_data(struct sock *sk,
 	maxfraglen = ((mtu - fragheaderlen) & ~7) + fragheaderlen;
 
 	if (inet->cork.length + length > 0xFFFF - fragheaderlen) {
-		ip_local_error(sk, EMSGSIZE, rt->rt_dst, inet->dport, mtu-exthdrlen);
+		ip_local_error(sk, EMSGSIZE, rt->rt_dst, inet->inet_dport,
+			       mtu-exthdrlen);
 		return -EMSGSIZE;
 	}
 
@@ -1100,7 +1101,7 @@ ssize_t	ip_append_page(struct sock *sk, struct page *page,
 	maxfraglen = ((mtu - fragheaderlen) & ~7) + fragheaderlen;
 
 	if (inet->cork.length + size > 0xFFFF - fragheaderlen) {
-		ip_local_error(sk, EMSGSIZE, rt->rt_dst, inet->dport, mtu);
+		ip_local_error(sk, EMSGSIZE, rt->rt_dst, inet->inet_dport, mtu);
 		return -EMSGSIZE;
 	}
 
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index 0c0b6e363a2..c602d985fe1 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -245,7 +245,7 @@ int ip_ra_control(struct sock *sk, unsigned char on,
 {
 	struct ip_ra_chain *ra, *new_ra, **rap;
 
-	if (sk->sk_type != SOCK_RAW || inet_sk(sk)->num == IPPROTO_RAW)
+	if (sk->sk_type != SOCK_RAW || inet_sk(sk)->inet_num == IPPROTO_RAW)
 		return -EINVAL;
 
 	new_ra = on ? kmalloc(sizeof(*new_ra), GFP_KERNEL) : NULL;
@@ -492,7 +492,7 @@ static int do_ip_setsockopt(struct sock *sk, int level,
 			if (sk->sk_family == PF_INET ||
 			    (!((1 << sk->sk_state) &
 			       (TCPF_LISTEN | TCPF_CLOSE)) &&
-			     inet->daddr != LOOPBACK4_IPV6)) {
+			     inet->inet_daddr != LOOPBACK4_IPV6)) {
 #endif
 				if (inet->opt)
 					icsk->icsk_ext_hdr_len -= inet->opt->optlen;
@@ -1181,8 +1181,8 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
 		if (inet->cmsg_flags & IP_CMSG_PKTINFO) {
 			struct in_pktinfo info;
 
-			info.ipi_addr.s_addr = inet->rcv_saddr;
-			info.ipi_spec_dst.s_addr = inet->rcv_saddr;
+			info.ipi_addr.s_addr = inet->inet_rcv_saddr;
+			info.ipi_spec_dst.s_addr = inet->inet_rcv_saddr;
 			info.ipi_ifindex = inet->mc_index;
 			put_cmsg(&msg, SOL_IP, IP_PKTINFO, sizeof(info), &info);
 		}
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index c757f0b4b74..694974502ea 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -956,7 +956,7 @@ int ip_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, unsi
 	switch (optname) {
 	case MRT_INIT:
 		if (sk->sk_type != SOCK_RAW ||
-		    inet_sk(sk)->num != IPPROTO_IGMP)
+		    inet_sk(sk)->inet_num != IPPROTO_IGMP)
 			return -EOPNOTSUPP;
 		if (optlen != sizeof(int))
 			return -ENOPROTOOPT;
diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
index aa95bb82ee6..9cd423ffafa 100644
--- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
+++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
@@ -255,10 +255,10 @@ getorigdst(struct sock *sk, int optval, void __user *user, int *len)
 	struct nf_conntrack_tuple tuple;
 
 	memset(&tuple, 0, sizeof(tuple));
-	tuple.src.u3.ip = inet->rcv_saddr;
-	tuple.src.u.tcp.port = inet->sport;
-	tuple.dst.u3.ip = inet->daddr;
-	tuple.dst.u.tcp.port = inet->dport;
+	tuple.src.u3.ip = inet->inet_rcv_saddr;
+	tuple.src.u.tcp.port = inet->inet_sport;
+	tuple.dst.u3.ip = inet->inet_daddr;
+	tuple.dst.u.tcp.port = inet->inet_dport;
 	tuple.src.l3num = PF_INET;
 	tuple.dst.protonum = sk->sk_protocol;
 
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index 39e2a6b8752..9ef8c0829a7 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -87,7 +87,7 @@ void raw_hash_sk(struct sock *sk)
 	struct raw_hashinfo *h = sk->sk_prot->h.raw_hash;
 	struct hlist_head *head;
 
-	head = &h->ht[inet_sk(sk)->num & (RAW_HTABLE_SIZE - 1)];
+	head = &h->ht[inet_sk(sk)->inet_num & (RAW_HTABLE_SIZE - 1)];
 
 	write_lock_bh(&h->lock);
 	sk_add_node(sk, head);
@@ -115,9 +115,9 @@ static struct sock *__raw_v4_lookup(struct net *net, struct sock *sk,
 	sk_for_each_from(sk, node) {
 		struct inet_sock *inet = inet_sk(sk);
 
-		if (net_eq(sock_net(sk), net) && inet->num == num	&&
-		    !(inet->daddr && inet->daddr != raddr) 		&&
-		    !(inet->rcv_saddr && inet->rcv_saddr != laddr)	&&
+		if (net_eq(sock_net(sk), net) && inet->inet_num == num	&&
+		    !(inet->inet_daddr && inet->inet_daddr != raddr) 	&&
+		    !(inet->inet_rcv_saddr && inet->inet_rcv_saddr != laddr) &&
 		    !(sk->sk_bound_dev_if && sk->sk_bound_dev_if != dif))
 			goto found; /* gotcha */
 	}
@@ -326,7 +326,7 @@ static int raw_send_hdrinc(struct sock *sk, void *from, size_t length,
 	int err;
 
 	if (length > rt->u.dst.dev->mtu) {
-		ip_local_error(sk, EMSGSIZE, rt->rt_dst, inet->dport,
+		ip_local_error(sk, EMSGSIZE, rt->rt_dst, inet->inet_dport,
 			       rt->u.dst.dev->mtu);
 		return -EMSGSIZE;
 	}
@@ -489,10 +489,10 @@ static int raw_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 		err = -EDESTADDRREQ;
 		if (sk->sk_state != TCP_ESTABLISHED)
 			goto out;
-		daddr = inet->daddr;
+		daddr = inet->inet_daddr;
 	}
 
-	ipc.addr = inet->saddr;
+	ipc.addr = inet->inet_saddr;
 	ipc.opt = NULL;
 	ipc.shtx.flags = 0;
 	ipc.oif = sk->sk_bound_dev_if;
@@ -634,9 +634,9 @@ static int raw_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 	if (addr->sin_addr.s_addr && chk_addr_ret != RTN_LOCAL &&
 	    chk_addr_ret != RTN_MULTICAST && chk_addr_ret != RTN_BROADCAST)
 		goto out;
-	inet->rcv_saddr = inet->saddr = addr->sin_addr.s_addr;
+	inet->inet_rcv_saddr = inet->inet_saddr = addr->sin_addr.s_addr;
 	if (chk_addr_ret == RTN_MULTICAST || chk_addr_ret == RTN_BROADCAST)
-		inet->saddr = 0;  /* Use device */
+		inet->inet_saddr = 0;  /* Use device */
 	sk_dst_reset(sk);
 	ret = 0;
 out:	return ret;
@@ -706,7 +706,7 @@ static int raw_init(struct sock *sk)
 {
 	struct raw_sock *rp = raw_sk(sk);
 
-	if (inet_sk(sk)->num == IPPROTO_ICMP)
+	if (inet_sk(sk)->inet_num == IPPROTO_ICMP)
 		memset(&rp->filter, 0, sizeof(rp->filter));
 	return 0;
 }
@@ -743,7 +743,7 @@ static int do_raw_setsockopt(struct sock *sk, int level, int optname,
 			  char __user *optval, unsigned int optlen)
 {
 	if (optname == ICMP_FILTER) {
-		if (inet_sk(sk)->num != IPPROTO_ICMP)
+		if (inet_sk(sk)->inet_num != IPPROTO_ICMP)
 			return -EOPNOTSUPP;
 		else
 			return raw_seticmpfilter(sk, optval, optlen);
@@ -773,7 +773,7 @@ static int do_raw_getsockopt(struct sock *sk, int level, int optname,
 			  char __user *optval, int __user *optlen)
 {
 	if (optname == ICMP_FILTER) {
-		if (inet_sk(sk)->num != IPPROTO_ICMP)
+		if (inet_sk(sk)->inet_num != IPPROTO_ICMP)
 			return -EOPNOTSUPP;
 		else
 			return raw_geticmpfilter(sk, optval, optlen);
@@ -932,10 +932,10 @@ EXPORT_SYMBOL_GPL(raw_seq_stop);
 static void raw_sock_seq_show(struct seq_file *seq, struct sock *sp, int i)
 {
 	struct inet_sock *inet = inet_sk(sp);
-	__be32 dest = inet->daddr,
-	       src = inet->rcv_saddr;
+	__be32 dest = inet->inet_daddr,
+	       src = inet->inet_rcv_saddr;
 	__u16 destp = 0,
-	      srcp  = inet->num;
+	      srcp  = inet->inet_num;
 
 	seq_printf(seq, "%4d: %08X:%04X %08X:%04X"
 		" %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d\n",
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index cf13726259c..206a291dff0 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1998,7 +1998,7 @@ int tcp_disconnect(struct sock *sk, int flags)
 	__skb_queue_purge(&sk->sk_async_wait_queue);
 #endif
 
-	inet->dport = 0;
+	inet->inet_dport = 0;
 
 	if (!(sk->sk_userlocks & SOCK_BINDADDR_LOCK))
 		inet_reset_saddr(sk);
@@ -2022,7 +2022,7 @@ int tcp_disconnect(struct sock *sk, int flags)
 	memset(&tp->rx_opt, 0, sizeof(tp->rx_opt));
 	__sk_dst_reset(sk);
 
-	WARN_ON(inet->num && !icsk->icsk_bind_hash);
+	WARN_ON(inet->inet_num && !icsk->icsk_bind_hash);
 
 	sk->sk_error_report(sk);
 	return err;
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 99718703d04..a4a3390a528 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -165,10 +165,10 @@ int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 		nexthop = inet->opt->faddr;
 	}
 
-	tmp = ip_route_connect(&rt, nexthop, inet->saddr,
+	tmp = ip_route_connect(&rt, nexthop, inet->inet_saddr,
 			       RT_CONN_FLAGS(sk), sk->sk_bound_dev_if,
 			       IPPROTO_TCP,
-			       inet->sport, usin->sin_port, sk, 1);
+			       inet->inet_sport, usin->sin_port, sk, 1);
 	if (tmp < 0) {
 		if (tmp == -ENETUNREACH)
 			IP_INC_STATS_BH(sock_net(sk), IPSTATS_MIB_OUTNOROUTES);
@@ -183,11 +183,11 @@ int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 	if (!inet->opt || !inet->opt->srr)
 		daddr = rt->rt_dst;
 
-	if (!inet->saddr)
-		inet->saddr = rt->rt_src;
-	inet->rcv_saddr = inet->saddr;
+	if (!inet->inet_saddr)
+		inet->inet_saddr = rt->rt_src;
+	inet->inet_rcv_saddr = inet->inet_saddr;
 
-	if (tp->rx_opt.ts_recent_stamp && inet->daddr != daddr) {
+	if (tp->rx_opt.ts_recent_stamp && inet->inet_daddr != daddr) {
 		/* Reset inherited state */
 		tp->rx_opt.ts_recent	   = 0;
 		tp->rx_opt.ts_recent_stamp = 0;
@@ -210,8 +210,8 @@ int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 		}
 	}
 
-	inet->dport = usin->sin_port;
-	inet->daddr = daddr;
+	inet->inet_dport = usin->sin_port;
+	inet->inet_daddr = daddr;
 
 	inet_csk(sk)->icsk_ext_hdr_len = 0;
 	if (inet->opt)
@@ -230,7 +230,7 @@ int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 		goto failure;
 
 	err = ip_route_newports(&rt, IPPROTO_TCP,
-				inet->sport, inet->dport, sk);
+				inet->inet_sport, inet->inet_dport, sk);
 	if (err)
 		goto failure;
 
@@ -239,12 +239,12 @@ int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 	sk_setup_caps(sk, &rt->u.dst);
 
 	if (!tp->write_seq)
-		tp->write_seq = secure_tcp_sequence_number(inet->saddr,
-							   inet->daddr,
-							   inet->sport,
+		tp->write_seq = secure_tcp_sequence_number(inet->inet_saddr,
+							   inet->inet_daddr,
+							   inet->inet_sport,
 							   usin->sin_port);
 
-	inet->id = tp->write_seq ^ jiffies;
+	inet->inet_id = tp->write_seq ^ jiffies;
 
 	err = tcp_connect(sk);
 	rt = NULL;
@@ -261,7 +261,7 @@ failure:
 	tcp_set_state(sk, TCP_CLOSE);
 	ip_rt_put(rt);
 	sk->sk_route_caps = 0;
-	inet->dport = 0;
+	inet->inet_dport = 0;
 	return err;
 }
 
@@ -520,12 +520,13 @@ void tcp_v4_send_check(struct sock *sk, int len, struct sk_buff *skb)
 	struct tcphdr *th = tcp_hdr(skb);
 
 	if (skb->ip_summed == CHECKSUM_PARTIAL) {
-		th->check = ~tcp_v4_check(len, inet->saddr,
-					  inet->daddr, 0);
+		th->check = ~tcp_v4_check(len, inet->inet_saddr,
+					  inet->inet_daddr, 0);
 		skb->csum_start = skb_transport_header(skb) - skb->head;
 		skb->csum_offset = offsetof(struct tcphdr, check);
 	} else {
-		th->check = tcp_v4_check(len, inet->saddr, inet->daddr,
+		th->check = tcp_v4_check(len, inet->inet_saddr,
+					 inet->inet_daddr,
 					 csum_partial(th,
 						      th->doff << 2,
 						      skb->csum));
@@ -848,7 +849,7 @@ static struct tcp_md5sig_key *
 struct tcp_md5sig_key *tcp_v4_md5_lookup(struct sock *sk,
 					 struct sock *addr_sk)
 {
-	return tcp_v4_md5_do_lookup(sk, inet_sk(addr_sk)->daddr);
+	return tcp_v4_md5_do_lookup(sk, inet_sk(addr_sk)->inet_daddr);
 }
 
 EXPORT_SYMBOL(tcp_v4_md5_lookup);
@@ -923,7 +924,7 @@ EXPORT_SYMBOL(tcp_v4_md5_do_add);
 static int tcp_v4_md5_add_func(struct sock *sk, struct sock *addr_sk,
 			       u8 *newkey, u8 newkeylen)
 {
-	return tcp_v4_md5_do_add(sk, inet_sk(addr_sk)->daddr,
+	return tcp_v4_md5_do_add(sk, inet_sk(addr_sk)->inet_daddr,
 				 newkey, newkeylen);
 }
 
@@ -1089,8 +1090,8 @@ int tcp_v4_md5_hash_skb(char *md5_hash, struct tcp_md5sig_key *key,
 	__be32 saddr, daddr;
 
 	if (sk) {
-		saddr = inet_sk(sk)->saddr;
-		daddr = inet_sk(sk)->daddr;
+		saddr = inet_sk(sk)->inet_saddr;
+		daddr = inet_sk(sk)->inet_daddr;
 	} else if (req) {
 		saddr = inet_rsk(req)->loc_addr;
 		daddr = inet_rsk(req)->rmt_addr;
@@ -1380,9 +1381,9 @@ struct sock *tcp_v4_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
 	newtp		      = tcp_sk(newsk);
 	newinet		      = inet_sk(newsk);
 	ireq		      = inet_rsk(req);
-	newinet->daddr	      = ireq->rmt_addr;
-	newinet->rcv_saddr    = ireq->loc_addr;
-	newinet->saddr	      = ireq->loc_addr;
+	newinet->inet_daddr   = ireq->rmt_addr;
+	newinet->inet_rcv_saddr = ireq->loc_addr;
+	newinet->inet_saddr	      = ireq->loc_addr;
 	newinet->opt	      = ireq->opt;
 	ireq->opt	      = NULL;
 	newinet->mc_index     = inet_iif(skb);
@@ -1390,7 +1391,7 @@ struct sock *tcp_v4_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
 	inet_csk(newsk)->icsk_ext_hdr_len = 0;
 	if (newinet->opt)
 		inet_csk(newsk)->icsk_ext_hdr_len = newinet->opt->optlen;
-	newinet->id = newtp->write_seq ^ jiffies;
+	newinet->inet_id = newtp->write_seq ^ jiffies;
 
 	tcp_mtup_init(newsk);
 	tcp_sync_mss(newsk, dst_mtu(dst));
@@ -1403,7 +1404,8 @@ struct sock *tcp_v4_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
 
 #ifdef CONFIG_TCP_MD5SIG
 	/* Copy over the MD5 key from the original socket */
-	if ((key = tcp_v4_md5_do_lookup(sk, newinet->daddr)) != NULL) {
+	key = tcp_v4_md5_do_lookup(sk, newinet->inet_daddr);
+	if (key != NULL) {
 		/*
 		 * We're using one, so create a matching key
 		 * on the newsk structure. If we fail to get
@@ -1412,7 +1414,7 @@ struct sock *tcp_v4_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
 		 */
 		char *newkey = kmemdup(key->key, key->keylen, GFP_ATOMIC);
 		if (newkey != NULL)
-			tcp_v4_md5_do_add(newsk, newinet->daddr,
+			tcp_v4_md5_do_add(newsk, newinet->inet_daddr,
 					  newkey, key->keylen);
 		newsk->sk_route_caps &= ~NETIF_F_GSO_MASK;
 	}
@@ -1711,8 +1713,8 @@ int tcp_v4_remember_stamp(struct sock *sk)
 	struct inet_peer *peer = NULL;
 	int release_it = 0;
 
-	if (!rt || rt->rt_dst != inet->daddr) {
-		peer = inet_getpeer(inet->daddr, 1);
+	if (!rt || rt->rt_dst != inet->inet_daddr) {
+		peer = inet_getpeer(inet->inet_daddr, 1);
 		release_it = 1;
 	} else {
 		if (!rt->peer)
@@ -2225,7 +2227,7 @@ static void get_openreq4(struct sock *sk, struct request_sock *req,
 		" %02X %08X:%08X %02X:%08lX %08X %5d %8d %u %d %p%n",
 		i,
 		ireq->loc_addr,
-		ntohs(inet_sk(sk)->sport),
+		ntohs(inet_sk(sk)->inet_sport),
 		ireq->rmt_addr,
 		ntohs(ireq->rmt_port),
 		TCP_SYN_RECV,
@@ -2248,10 +2250,10 @@ static void get_tcp4_sock(struct sock *sk, struct seq_file *f, int i, int *len)
 	struct tcp_sock *tp = tcp_sk(sk);
 	const struct inet_connection_sock *icsk = inet_csk(sk);
 	struct inet_sock *inet = inet_sk(sk);
-	__be32 dest = inet->daddr;
-	__be32 src = inet->rcv_saddr;
-	__u16 destp = ntohs(inet->dport);
-	__u16 srcp = ntohs(inet->sport);
+	__be32 dest = inet->inet_daddr;
+	__be32 src = inet->inet_rcv_saddr;
+	__u16 destp = ntohs(inet->inet_dport);
+	__u16 srcp = ntohs(inet->inet_sport);
 
 	if (icsk->icsk_pending == ICSK_TIME_RETRANS) {
 		timer_active	= 1;
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index fcd278a7080..2e2eb74ac4c 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -661,8 +661,8 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it,
 
 	/* Build TCP header and checksum it. */
 	th = tcp_hdr(skb);
-	th->source		= inet->sport;
-	th->dest		= inet->dport;
+	th->source		= inet->inet_sport;
+	th->dest		= inet->inet_dport;
 	th->seq			= htonl(tcb->seq);
 	th->ack_seq		= htonl(tp->rcv_nxt);
 	*(((__be16 *)th) + 6)	= htons(((tcp_header_size >> 2) << 12) |
diff --git a/net/ipv4/tcp_probe.c b/net/ipv4/tcp_probe.c
index 59f5b5e7c56..7a3cc2ffad8 100644
--- a/net/ipv4/tcp_probe.c
+++ b/net/ipv4/tcp_probe.c
@@ -94,7 +94,8 @@ static int jtcp_rcv_established(struct sock *sk, struct sk_buff *skb,
 	const struct inet_sock *inet = inet_sk(sk);
 
 	/* Only update if port matches */
-	if ((port == 0 || ntohs(inet->dport) == port || ntohs(inet->sport) == port)
+	if ((port == 0 || ntohs(inet->inet_dport) == port ||
+	     ntohs(inet->inet_sport) == port)
 	    && (full || tp->snd_cwnd != tcp_probe.lastcwnd)) {
 
 		spin_lock(&tcp_probe.lock);
@@ -103,10 +104,10 @@ static int jtcp_rcv_established(struct sock *sk, struct sk_buff *skb,
 			struct tcp_log *p = tcp_probe.log + tcp_probe.head;
 
 			p->tstamp = ktime_get();
-			p->saddr = inet->saddr;
-			p->sport = inet->sport;
-			p->daddr = inet->daddr;
-			p->dport = inet->dport;
+			p->saddr = inet->inet_saddr;
+			p->sport = inet->inet_sport;
+			p->daddr = inet->inet_daddr;
+			p->dport = inet->inet_dport;
 			p->length = skb->len;
 			p->snd_nxt = tp->snd_nxt;
 			p->snd_una = tp->snd_una;
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index cdb2ca7684d..6e8996cb79d 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -303,15 +303,15 @@ void tcp_retransmit_timer(struct sock *sk)
 		struct inet_sock *inet = inet_sk(sk);
 		if (sk->sk_family == AF_INET) {
 			LIMIT_NETDEBUG(KERN_DEBUG "TCP: Peer %pI4:%u/%u unexpectedly shrunk window %u:%u (repaired)\n",
-			       &inet->daddr, ntohs(inet->dport),
-			       inet->num, tp->snd_una, tp->snd_nxt);
+			       &inet->inet_daddr, ntohs(inet->inet_dport),
+			       inet->inet_num, tp->snd_una, tp->snd_nxt);
 		}
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
 		else if (sk->sk_family == AF_INET6) {
 			struct ipv6_pinfo *np = inet6_sk(sk);
 			LIMIT_NETDEBUG(KERN_DEBUG "TCP: Peer %pI6:%u/%u unexpectedly shrunk window %u:%u (repaired)\n",
-			       &np->daddr, ntohs(inet->dport),
-			       inet->num, tp->snd_una, tp->snd_nxt);
+			       &np->daddr, ntohs(inet->inet_dport),
+			       inet->inet_num, tp->snd_una, tp->snd_nxt);
 		}
 #endif
 #endif
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 45a8a7e374d..ec5c7a720c0 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -214,7 +214,7 @@ int udp_lib_get_port(struct sock *sk, unsigned short snum,
 			goto fail_unlock;
 	}
 found:
-	inet_sk(sk)->num = snum;
+	inet_sk(sk)->inet_num = snum;
 	sk->sk_hash = snum;
 	if (sk_unhashed(sk)) {
 		sk_nulls_add_node_rcu(sk, &hslot->head);
@@ -233,8 +233,8 @@ static int ipv4_rcv_saddr_equal(const struct sock *sk1, const struct sock *sk2)
 	struct inet_sock *inet1 = inet_sk(sk1), *inet2 = inet_sk(sk2);
 
 	return 	(!ipv6_only_sock(sk2)  &&
-		 (!inet1->rcv_saddr || !inet2->rcv_saddr ||
-		   inet1->rcv_saddr == inet2->rcv_saddr));
+		 (!inet1->inet_rcv_saddr || !inet2->inet_rcv_saddr ||
+		   inet1->inet_rcv_saddr == inet2->inet_rcv_saddr));
 }
 
 int udp_v4_get_port(struct sock *sk, unsigned short snum)
@@ -253,18 +253,18 @@ static inline int compute_score(struct sock *sk, struct net *net, __be32 saddr,
 		struct inet_sock *inet = inet_sk(sk);
 
 		score = (sk->sk_family == PF_INET ? 1 : 0);
-		if (inet->rcv_saddr) {
-			if (inet->rcv_saddr != daddr)
+		if (inet->inet_rcv_saddr) {
+			if (inet->inet_rcv_saddr != daddr)
 				return -1;
 			score += 2;
 		}
-		if (inet->daddr) {
-			if (inet->daddr != saddr)
+		if (inet->inet_daddr) {
+			if (inet->inet_daddr != saddr)
 				return -1;
 			score += 2;
 		}
-		if (inet->dport) {
-			if (inet->dport != sport)
+		if (inet->inet_dport) {
+			if (inet->inet_dport != sport)
 				return -1;
 			score += 2;
 		}
@@ -360,9 +360,10 @@ static inline struct sock *udp_v4_mcast_next(struct net *net, struct sock *sk,
 
 		if (!net_eq(sock_net(s), net)				||
 		    s->sk_hash != hnum					||
-		    (inet->daddr && inet->daddr != rmt_addr)		||
-		    (inet->dport != rmt_port && inet->dport)		||
-		    (inet->rcv_saddr && inet->rcv_saddr != loc_addr)	||
+		    (inet->inet_daddr && inet->inet_daddr != rmt_addr)	||
+		    (inet->inet_dport != rmt_port && inet->inet_dport)	||
+		    (inet->inet_rcv_saddr	&&
+		     inet->inet_rcv_saddr != loc_addr)			||
 		    ipv6_only_sock(s)					||
 		    (s->sk_bound_dev_if && s->sk_bound_dev_if != dif))
 			continue;
@@ -646,14 +647,14 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 	} else {
 		if (sk->sk_state != TCP_ESTABLISHED)
 			return -EDESTADDRREQ;
-		daddr = inet->daddr;
-		dport = inet->dport;
+		daddr = inet->inet_daddr;
+		dport = inet->inet_dport;
 		/* Open fast path for connected socket.
 		   Route will not be used, if at least one option is set.
 		 */
 		connected = 1;
 	}
-	ipc.addr = inet->saddr;
+	ipc.addr = inet->inet_saddr;
 
 	ipc.oif = sk->sk_bound_dev_if;
 	err = sock_tx_timestamp(msg, sk, &ipc.shtx);
@@ -708,7 +709,7 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 				    .proto = sk->sk_protocol,
 				    .flags = inet_sk_flowi_flags(sk),
 				    .uli_u = { .ports =
-					       { .sport = inet->sport,
+					       { .sport = inet->inet_sport,
 						 .dport = dport } } };
 		struct net *net = sock_net(sk);
 
@@ -752,7 +753,7 @@ back_from_confirm:
 	inet->cork.fl.fl4_dst = daddr;
 	inet->cork.fl.fl_ip_dport = dport;
 	inet->cork.fl.fl4_src = saddr;
-	inet->cork.fl.fl_ip_sport = inet->sport;
+	inet->cork.fl.fl_ip_sport = inet->inet_sport;
 	up->pending = AF_INET;
 
 do_append_data:
@@ -1029,15 +1030,15 @@ int udp_disconnect(struct sock *sk, int flags)
 	 */
 
 	sk->sk_state = TCP_CLOSE;
-	inet->daddr = 0;
-	inet->dport = 0;
+	inet->inet_daddr = 0;
+	inet->inet_dport = 0;
 	sk->sk_bound_dev_if = 0;
 	if (!(sk->sk_userlocks & SOCK_BINDADDR_LOCK))
 		inet_reset_saddr(sk);
 
 	if (!(sk->sk_userlocks & SOCK_BINDPORT_LOCK)) {
 		sk->sk_prot->unhash(sk);
-		inet->sport = 0;
+		inet->inet_sport = 0;
 	}
 	sk_dst_reset(sk);
 	return 0;
@@ -1053,7 +1054,7 @@ void udp_lib_unhash(struct sock *sk)
 
 		spin_lock_bh(&hslot->lock);
 		if (sk_nulls_del_node_init_rcu(sk)) {
-			inet_sk(sk)->num = 0;
+			inet_sk(sk)->inet_num = 0;
 			sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1);
 		}
 		spin_unlock_bh(&hslot->lock);
@@ -1752,10 +1753,10 @@ static void udp4_format_sock(struct sock *sp, struct seq_file *f,
 		int bucket, int *len)
 {
 	struct inet_sock *inet = inet_sk(sp);
-	__be32 dest = inet->daddr;
-	__be32 src  = inet->rcv_saddr;
-	__u16 destp	  = ntohs(inet->dport);
-	__u16 srcp	  = ntohs(inet->sport);
+	__be32 dest = inet->inet_daddr;
+	__be32 src  = inet->inet_rcv_saddr;
+	__u16 destp	  = ntohs(inet->inet_dport);
+	__u16 srcp	  = ntohs(inet->inet_sport);
 
 	seq_printf(f, "%5d: %08X:%04X %08X:%04X"
 		" %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d%n",
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 94216519873..b6d05881867 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -185,7 +185,7 @@ lookup_protocol:
 	inet->is_icsk = (INET_PROTOSW_ICSK & answer_flags) != 0;
 
 	if (SOCK_RAW == sock->type) {
-		inet->num = protocol;
+		inet->inet_num = protocol;
 		if (IPPROTO_RAW == protocol)
 			inet->hdrincl = 1;
 	}
@@ -228,12 +228,12 @@ lookup_protocol:
 	 */
 	sk_refcnt_debug_inc(sk);
 
-	if (inet->num) {
+	if (inet->inet_num) {
 		/* It assumes that any protocol which allows
 		 * the user to assign a number at socket
 		 * creation time automatically shares.
 		 */
-		inet->sport = htons(inet->num);
+		inet->inet_sport = htons(inet->inet_num);
 		sk->sk_prot->hash(sk);
 	}
 	if (sk->sk_prot->init) {
@@ -281,7 +281,7 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 	lock_sock(sk);
 
 	/* Check these errors (active socket, double bind). */
-	if (sk->sk_state != TCP_CLOSE || inet->num) {
+	if (sk->sk_state != TCP_CLOSE || inet->inet_num) {
 		err = -EINVAL;
 		goto out;
 	}
@@ -353,8 +353,8 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 		}
 	}
 
-	inet->rcv_saddr = v4addr;
-	inet->saddr = v4addr;
+	inet->inet_rcv_saddr = v4addr;
+	inet->inet_saddr = v4addr;
 
 	ipv6_addr_copy(&np->rcv_saddr, &addr->sin6_addr);
 
@@ -375,9 +375,9 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 	}
 	if (snum)
 		sk->sk_userlocks |= SOCK_BINDPORT_LOCK;
-	inet->sport = htons(inet->num);
-	inet->dport = 0;
-	inet->daddr = 0;
+	inet->inet_sport = htons(inet->inet_num);
+	inet->inet_dport = 0;
+	inet->inet_daddr = 0;
 out:
 	release_sock(sk);
 	return err;
@@ -441,12 +441,12 @@ int inet6_getname(struct socket *sock, struct sockaddr *uaddr,
 	sin->sin6_flowinfo = 0;
 	sin->sin6_scope_id = 0;
 	if (peer) {
-		if (!inet->dport)
+		if (!inet->inet_dport)
 			return -ENOTCONN;
 		if (((1 << sk->sk_state) & (TCPF_CLOSE | TCPF_SYN_SENT)) &&
 		    peer == 1)
 			return -ENOTCONN;
-		sin->sin6_port = inet->dport;
+		sin->sin6_port = inet->inet_dport;
 		ipv6_addr_copy(&sin->sin6_addr, &np->daddr);
 		if (np->sndflow)
 			sin->sin6_flowinfo = np->flow_label;
@@ -456,7 +456,7 @@ int inet6_getname(struct socket *sock, struct sockaddr *uaddr,
 		else
 			ipv6_addr_copy(&sin->sin6_addr, &np->rcv_saddr);
 
-		sin->sin6_port = inet->sport;
+		sin->sin6_port = inet->inet_sport;
 	}
 	if (ipv6_addr_type(&sin->sin6_addr) & IPV6_ADDR_LINKLOCAL)
 		sin->sin6_scope_id = sk->sk_bound_dev_if;
@@ -655,8 +655,8 @@ int inet6_sk_rebuild_header(struct sock *sk)
 		fl.fl6_flowlabel = np->flow_label;
 		fl.oif = sk->sk_bound_dev_if;
 		fl.mark = sk->sk_mark;
-		fl.fl_ip_dport = inet->dport;
-		fl.fl_ip_sport = inet->sport;
+		fl.fl_ip_dport = inet->inet_dport;
+		fl.fl_ip_sport = inet->inet_sport;
 		security_sk_classify_flow(sk, &fl);
 
 		if (np->opt && np->opt->srcrt) {
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index dbfec7147aa..9f70452a69e 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -98,13 +98,14 @@ ipv4_connected:
 		if (err)
 			goto out;
 
-		ipv6_addr_set_v4mapped(inet->daddr, &np->daddr);
+		ipv6_addr_set_v4mapped(inet->inet_daddr, &np->daddr);
 
 		if (ipv6_addr_any(&np->saddr))
-			ipv6_addr_set_v4mapped(inet->saddr, &np->saddr);
+			ipv6_addr_set_v4mapped(inet->inet_saddr, &np->saddr);
 
 		if (ipv6_addr_any(&np->rcv_saddr))
-			ipv6_addr_set_v4mapped(inet->rcv_saddr, &np->rcv_saddr);
+			ipv6_addr_set_v4mapped(inet->inet_rcv_saddr,
+					       &np->rcv_saddr);
 
 		goto out;
 	}
@@ -133,7 +134,7 @@ ipv4_connected:
 	ipv6_addr_copy(&np->daddr, daddr);
 	np->flow_label = fl.fl6_flowlabel;
 
-	inet->dport = usin->sin6_port;
+	inet->inet_dport = usin->sin6_port;
 
 	/*
 	 *	Check for a route to destination an obtain the
@@ -145,8 +146,8 @@ ipv4_connected:
 	ipv6_addr_copy(&fl.fl6_src, &np->saddr);
 	fl.oif = sk->sk_bound_dev_if;
 	fl.mark = sk->sk_mark;
-	fl.fl_ip_dport = inet->dport;
-	fl.fl_ip_sport = inet->sport;
+	fl.fl_ip_dport = inet->inet_dport;
+	fl.fl_ip_sport = inet->inet_sport;
 
 	if (!fl.oif && (addr_type&IPV6_ADDR_MULTICAST))
 		fl.oif = np->mcast_oif;
@@ -188,7 +189,7 @@ ipv4_connected:
 
 	if (ipv6_addr_any(&np->rcv_saddr)) {
 		ipv6_addr_copy(&np->rcv_saddr, &fl.fl6_src);
-		inet->rcv_saddr = LOOPBACK4_IPV6;
+		inet->inet_rcv_saddr = LOOPBACK4_IPV6;
 	}
 
 	ip6_dst_store(sk, dst,
diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c
index a9f4a21b31e..19dceef4fcc 100644
--- a/net/ipv6/inet6_connection_sock.c
+++ b/net/ipv6/inet6_connection_sock.c
@@ -132,7 +132,7 @@ void inet6_csk_addr2sockaddr(struct sock *sk, struct sockaddr * uaddr)
 
 	sin6->sin6_family = AF_INET6;
 	ipv6_addr_copy(&sin6->sin6_addr, &np->daddr);
-	sin6->sin6_port	= inet_sk(sk)->dport;
+	sin6->sin6_port	= inet_sk(sk)->inet_dport;
 	/* We do not store received flowlabel for TCP */
 	sin6->sin6_flowinfo = 0;
 	sin6->sin6_scope_id = 0;
@@ -195,8 +195,8 @@ int inet6_csk_xmit(struct sk_buff *skb, int ipfragok)
 	IP6_ECN_flow_xmit(sk, fl.fl6_flowlabel);
 	fl.oif = sk->sk_bound_dev_if;
 	fl.mark = sk->sk_mark;
-	fl.fl_ip_sport = inet->sport;
-	fl.fl_ip_dport = inet->dport;
+	fl.fl_ip_sport = inet->inet_sport;
+	fl.fl_ip_dport = inet->inet_dport;
 	security_sk_classify_flow(sk, &fl);
 
 	if (np->opt && np->opt->srcrt) {
diff --git a/net/ipv6/inet6_hashtables.c b/net/ipv6/inet6_hashtables.c
index 874aed86e1a..00c6a3e6cdd 100644
--- a/net/ipv6/inet6_hashtables.c
+++ b/net/ipv6/inet6_hashtables.c
@@ -125,7 +125,7 @@ static int inline compute_score(struct sock *sk, struct net *net,
 {
 	int score = -1;
 
-	if (net_eq(sock_net(sk), net) && inet_sk(sk)->num == hnum &&
+	if (net_eq(sock_net(sk), net) && inet_sk(sk)->inet_num == hnum &&
 	    sk->sk_family == PF_INET6) {
 		const struct ipv6_pinfo *np = inet6_sk(sk);
 
@@ -214,10 +214,10 @@ static int __inet6_check_established(struct inet_timewait_death_row *death_row,
 	const struct in6_addr *daddr = &np->rcv_saddr;
 	const struct in6_addr *saddr = &np->daddr;
 	const int dif = sk->sk_bound_dev_if;
-	const __portpair ports = INET_COMBINED_PORTS(inet->dport, lport);
+	const __portpair ports = INET_COMBINED_PORTS(inet->inet_dport, lport);
 	struct net *net = sock_net(sk);
 	const unsigned int hash = inet6_ehashfn(net, daddr, lport, saddr,
-						inet->dport);
+						inet->inet_dport);
 	struct inet_ehash_bucket *head = inet_ehash_bucket(hinfo, hash);
 	spinlock_t *lock = inet_ehash_lockp(hinfo, hash);
 	struct sock *sk2;
@@ -248,8 +248,8 @@ static int __inet6_check_established(struct inet_timewait_death_row *death_row,
 unique:
 	/* Must record num and sport now. Otherwise we will see
 	 * in hash table socket with a funny identity. */
-	inet->num = lport;
-	inet->sport = htons(lport);
+	inet->inet_num = lport;
+	inet->inet_sport = htons(lport);
 	WARN_ON(!sk_unhashed(sk));
 	__sk_nulls_add_node_rcu(sk, &head->chain);
 	sk->sk_hash = hash;
@@ -279,7 +279,7 @@ static inline u32 inet6_sk_port_offset(const struct sock *sk)
 	const struct ipv6_pinfo *np = inet6_sk(sk);
 	return secure_ipv6_port_ephemeral(np->rcv_saddr.s6_addr32,
 					  np->daddr.s6_addr32,
-					  inet->dport);
+					  inet->inet_dport);
 }
 
 int inet6_hash_connect(struct inet_timewait_death_row *death_row,
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 716153941fc..85849b4f5a3 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -1297,7 +1297,7 @@ int ip6_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, uns
 	switch (optname) {
 	case MRT6_INIT:
 		if (sk->sk_type != SOCK_RAW ||
-		    inet_sk(sk)->num != IPPROTO_ICMPV6)
+		    inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
 			return -EOPNOTSUPP;
 		if (optlen < sizeof(int))
 			return -EINVAL;
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index dc0f7366073..39e10ac8801 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -64,7 +64,7 @@ int ip6_ra_control(struct sock *sk, int sel)
 	struct ip6_ra_chain *ra, *new_ra, **rap;
 
 	/* RA packet may be delivered ONLY to IPPROTO_RAW socket */
-	if (sk->sk_type != SOCK_RAW || inet_sk(sk)->num != IPPROTO_RAW)
+	if (sk->sk_type != SOCK_RAW || inet_sk(sk)->inet_num != IPPROTO_RAW)
 		return -ENOPROTOOPT;
 
 	new_ra = (sel>=0) ? kmalloc(sizeof(*new_ra), GFP_KERNEL) : NULL;
@@ -106,7 +106,7 @@ struct ipv6_txoptions *ipv6_update_options(struct sock *sk,
 	if (inet_sk(sk)->is_icsk) {
 		if (opt &&
 		    !((1 << sk->sk_state) & (TCPF_LISTEN | TCPF_CLOSE)) &&
-		    inet_sk(sk)->daddr != LOOPBACK4_IPV6) {
+		    inet_sk(sk)->inet_daddr != LOOPBACK4_IPV6) {
 			struct inet_connection_sock *icsk = inet_csk(sk);
 			icsk->icsk_ext_hdr_len = opt->opt_flen + opt->opt_nflen;
 			icsk->icsk_sync_mss(sk, icsk->icsk_pmtu_cookie);
@@ -234,7 +234,7 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
 
 	case IPV6_V6ONLY:
 		if (optlen < sizeof(int) ||
-		    inet_sk(sk)->num)
+		    inet_sk(sk)->inet_num)
 			goto e_inval;
 		np->ipv6only = valbool;
 		retv = 0;
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index fd737efed96..52ed7d7f9da 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -72,7 +72,7 @@ static struct sock *__raw_v6_lookup(struct net *net, struct sock *sk,
 	int is_multicast = ipv6_addr_is_multicast(loc_addr);
 
 	sk_for_each_from(sk, node)
-		if (inet_sk(sk)->num == num) {
+		if (inet_sk(sk)->inet_num == num) {
 			struct ipv6_pinfo *np = inet6_sk(sk);
 
 			if (!net_eq(sock_net(sk), net))
@@ -298,7 +298,7 @@ static int rawv6_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 			dev_put(dev);
 	}
 
-	inet->rcv_saddr = inet->saddr = v4addr;
+	inet->inet_rcv_saddr = inet->inet_saddr = v4addr;
 	ipv6_addr_copy(&np->rcv_saddr, &addr->sin6_addr);
 	if (!(addr_type & IPV6_ADDR_MULTICAST))
 		ipv6_addr_copy(&np->saddr, &addr->sin6_addr);
@@ -415,14 +415,14 @@ int rawv6_rcv(struct sock *sk, struct sk_buff *skb)
 				   skb_network_header_len(skb));
 		if (!csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
 				     &ipv6_hdr(skb)->daddr,
-				     skb->len, inet->num, skb->csum))
+				     skb->len, inet->inet_num, skb->csum))
 			skb->ip_summed = CHECKSUM_UNNECESSARY;
 	}
 	if (!skb_csum_unnecessary(skb))
 		skb->csum = ~csum_unfold(csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
 							 &ipv6_hdr(skb)->daddr,
 							 skb->len,
-							 inet->num, 0));
+							 inet->inet_num, 0));
 
 	if (inet->hdrincl) {
 		if (skb_checksum_complete(skb)) {
@@ -765,8 +765,8 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
 		proto = ntohs(sin6->sin6_port);
 
 		if (!proto)
-			proto = inet->num;
-		else if (proto != inet->num)
+			proto = inet->inet_num;
+		else if (proto != inet->inet_num)
 			return(-EINVAL);
 
 		if (proto > 255)
@@ -799,7 +799,7 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
 		if (sk->sk_state != TCP_ESTABLISHED)
 			return -EDESTADDRREQ;
 
-		proto = inet->num;
+		proto = inet->inet_num;
 		daddr = &np->daddr;
 		fl.fl6_flowlabel = np->flow_label;
 	}
@@ -966,7 +966,7 @@ static int do_rawv6_setsockopt(struct sock *sk, int level, int optname,
 
 	switch (optname) {
 		case IPV6_CHECKSUM:
-			if (inet_sk(sk)->num == IPPROTO_ICMPV6 &&
+			if (inet_sk(sk)->inet_num == IPPROTO_ICMPV6 &&
 			    level == IPPROTO_IPV6) {
 				/*
 				 * RFC3542 tells that IPV6_CHECKSUM socket
@@ -1006,7 +1006,7 @@ static int rawv6_setsockopt(struct sock *sk, int level, int optname,
 			break;
 
 		case SOL_ICMPV6:
-			if (inet_sk(sk)->num != IPPROTO_ICMPV6)
+			if (inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
 				return -EOPNOTSUPP;
 			return rawv6_seticmpfilter(sk, level, optname, optval,
 						   optlen);
@@ -1029,7 +1029,7 @@ static int compat_rawv6_setsockopt(struct sock *sk, int level, int optname,
 	case SOL_RAW:
 		break;
 	case SOL_ICMPV6:
-		if (inet_sk(sk)->num != IPPROTO_ICMPV6)
+		if (inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
 			return -EOPNOTSUPP;
 		return rawv6_seticmpfilter(sk, level, optname, optval, optlen);
 	case SOL_IPV6:
@@ -1086,7 +1086,7 @@ static int rawv6_getsockopt(struct sock *sk, int level, int optname,
 			break;
 
 		case SOL_ICMPV6:
-			if (inet_sk(sk)->num != IPPROTO_ICMPV6)
+			if (inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
 				return -EOPNOTSUPP;
 			return rawv6_geticmpfilter(sk, level, optname, optval,
 						   optlen);
@@ -1109,7 +1109,7 @@ static int compat_rawv6_getsockopt(struct sock *sk, int level, int optname,
 	case SOL_RAW:
 		break;
 	case SOL_ICMPV6:
-		if (inet_sk(sk)->num != IPPROTO_ICMPV6)
+		if (inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
 			return -EOPNOTSUPP;
 		return rawv6_geticmpfilter(sk, level, optname, optval, optlen);
 	case SOL_IPV6:
@@ -1156,7 +1156,7 @@ static int rawv6_ioctl(struct sock *sk, int cmd, unsigned long arg)
 
 static void rawv6_close(struct sock *sk, long timeout)
 {
-	if (inet_sk(sk)->num == IPPROTO_RAW)
+	if (inet_sk(sk)->inet_num == IPPROTO_RAW)
 		ip6_ra_control(sk, -1);
 	ip6mr_sk_done(sk);
 	sk_common_release(sk);
@@ -1175,7 +1175,7 @@ static int rawv6_init_sk(struct sock *sk)
 {
 	struct raw6_sock *rp = raw6_sk(sk);
 
-	switch (inet_sk(sk)->num) {
+	switch (inet_sk(sk)->inet_num) {
 	case IPPROTO_ICMPV6:
 		rp->checksum = 1;
 		rp->offset   = 2;
@@ -1225,7 +1225,7 @@ static void raw6_sock_seq_show(struct seq_file *seq, struct sock *sp, int i)
 	dest  = &np->daddr;
 	src   = &np->rcv_saddr;
 	destp = 0;
-	srcp  = inet_sk(sp)->num;
+	srcp  = inet_sk(sp)->inet_num;
 	seq_printf(seq,
 		   "%4d: %08X%08X%08X%08X:%04X %08X%08X%08X%08X:%04X "
 		   "%02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d\n",
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index cbe55e5d9f9..c46da533888 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -254,7 +254,7 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
 		fl.oif = sk->sk_bound_dev_if;
 		fl.mark = sk->sk_mark;
 		fl.fl_ip_dport = inet_rsk(req)->rmt_port;
-		fl.fl_ip_sport = inet_sk(sk)->sport;
+		fl.fl_ip_sport = inet_sk(sk)->inet_sport;
 		security_req_classify_flow(req, &fl);
 		if (ip6_dst_lookup(sk, &dst, &fl))
 			goto out_free;
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 45176305914..c54ec3615de 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -226,8 +226,9 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
 #endif
 			goto failure;
 		} else {
-			ipv6_addr_set_v4mapped(inet->saddr, &np->saddr);
-			ipv6_addr_set_v4mapped(inet->rcv_saddr, &np->rcv_saddr);
+			ipv6_addr_set_v4mapped(inet->inet_saddr, &np->saddr);
+			ipv6_addr_set_v4mapped(inet->inet_rcv_saddr,
+					       &np->rcv_saddr);
 		}
 
 		return err;
@@ -243,7 +244,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
 	fl.oif = sk->sk_bound_dev_if;
 	fl.mark = sk->sk_mark;
 	fl.fl_ip_dport = usin->sin6_port;
-	fl.fl_ip_sport = inet->sport;
+	fl.fl_ip_sport = inet->inet_sport;
 
 	if (np->opt && np->opt->srcrt) {
 		struct rt0_hdr *rt0 = (struct rt0_hdr *)np->opt->srcrt;
@@ -275,7 +276,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
 
 	/* set the source address */
 	ipv6_addr_copy(&np->saddr, saddr);
-	inet->rcv_saddr = LOOPBACK4_IPV6;
+	inet->inet_rcv_saddr = LOOPBACK4_IPV6;
 
 	sk->sk_gso_type = SKB_GSO_TCPV6;
 	__ip6_dst_store(sk, dst, NULL, NULL);
@@ -287,7 +288,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
 
 	tp->rx_opt.mss_clamp = IPV6_MIN_MTU - sizeof(struct tcphdr) - sizeof(struct ipv6hdr);
 
-	inet->dport = usin->sin6_port;
+	inet->inet_dport = usin->sin6_port;
 
 	tcp_set_state(sk, TCP_SYN_SENT);
 	err = inet6_hash_connect(&tcp_death_row, sk);
@@ -297,8 +298,8 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
 	if (!tp->write_seq)
 		tp->write_seq = secure_tcpv6_sequence_number(np->saddr.s6_addr32,
 							     np->daddr.s6_addr32,
-							     inet->sport,
-							     inet->dport);
+							     inet->inet_sport,
+							     inet->inet_dport);
 
 	err = tcp_connect(sk);
 	if (err)
@@ -310,7 +311,7 @@ late_failure:
 	tcp_set_state(sk, TCP_CLOSE);
 	__sk_dst_reset(sk);
 failure:
-	inet->dport = 0;
+	inet->inet_dport = 0;
 	sk->sk_route_caps = 0;
 	return err;
 }
@@ -383,8 +384,8 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 			ipv6_addr_copy(&fl.fl6_src, &np->saddr);
 			fl.oif = sk->sk_bound_dev_if;
 			fl.mark = sk->sk_mark;
-			fl.fl_ip_dport = inet->dport;
-			fl.fl_ip_sport = inet->sport;
+			fl.fl_ip_dport = inet->inet_dport;
+			fl.fl_ip_sport = inet->inet_sport;
 			security_skb_classify_flow(skb, &fl);
 
 			if ((err = ip6_dst_lookup(sk, &dst, &fl))) {
@@ -1291,9 +1292,9 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
 
 		memcpy(newnp, np, sizeof(struct ipv6_pinfo));
 
-		ipv6_addr_set_v4mapped(newinet->daddr, &newnp->daddr);
+		ipv6_addr_set_v4mapped(newinet->inet_daddr, &newnp->daddr);
 
-		ipv6_addr_set_v4mapped(newinet->saddr, &newnp->saddr);
+		ipv6_addr_set_v4mapped(newinet->inet_saddr, &newnp->saddr);
 
 		ipv6_addr_copy(&newnp->rcv_saddr, &newnp->saddr);
 
@@ -1431,7 +1432,8 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
 	newtp->advmss = dst_metric(dst, RTAX_ADVMSS);
 	tcp_initialize_rcv_mss(newsk);
 
-	newinet->daddr = newinet->saddr = newinet->rcv_saddr = LOOPBACK4_IPV6;
+	newinet->inet_daddr = newinet->inet_saddr = LOOPBACK4_IPV6;
+	newinet->inet_rcv_saddr = LOOPBACK4_IPV6;
 
 #ifdef CONFIG_TCP_MD5SIG
 	/* Copy over the MD5 key from the original socket */
@@ -1931,8 +1933,8 @@ static void get_tcp6_sock(struct seq_file *seq, struct sock *sp, int i)
 
 	dest  = &np->daddr;
 	src   = &np->rcv_saddr;
-	destp = ntohs(inet->dport);
-	srcp  = ntohs(inet->sport);
+	destp = ntohs(inet->inet_dport);
+	srcp  = ntohs(inet->inet_sport);
 
 	if (icsk->icsk_pending == ICSK_TIME_RETRANS) {
 		timer_active	= 1;
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index b86425b7ea2..829d300a6f3 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -53,7 +53,7 @@ int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2)
 {
 	const struct in6_addr *sk_rcv_saddr6 = &inet6_sk(sk)->rcv_saddr;
 	const struct in6_addr *sk2_rcv_saddr6 = inet6_rcv_saddr(sk2);
-	__be32 sk_rcv_saddr = inet_sk(sk)->rcv_saddr;
+	__be32 sk1_rcv_saddr = inet_sk(sk)->inet_rcv_saddr;
 	__be32 sk2_rcv_saddr = inet_rcv_saddr(sk2);
 	int sk_ipv6only = ipv6_only_sock(sk);
 	int sk2_ipv6only = inet_v6_ipv6only(sk2);
@@ -63,8 +63,8 @@ int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2)
 	/* if both are mapped, treat as IPv4 */
 	if (addr_type == IPV6_ADDR_MAPPED && addr_type2 == IPV6_ADDR_MAPPED)
 		return (!sk2_ipv6only &&
-			(!sk_rcv_saddr || !sk2_rcv_saddr ||
-			  sk_rcv_saddr == sk2_rcv_saddr));
+			(!sk1_rcv_saddr || !sk2_rcv_saddr ||
+			  sk1_rcv_saddr == sk2_rcv_saddr));
 
 	if (addr_type2 == IPV6_ADDR_ANY &&
 	    !(sk2_ipv6only && addr_type == IPV6_ADDR_MAPPED))
@@ -100,8 +100,8 @@ static inline int compute_score(struct sock *sk, struct net *net,
 		struct inet_sock *inet = inet_sk(sk);
 
 		score = 0;
-		if (inet->dport) {
-			if (inet->dport != sport)
+		if (inet->inet_dport) {
+			if (inet->inet_dport != sport)
 				return -1;
 			score++;
 		}
@@ -417,8 +417,8 @@ static struct sock *udp_v6_mcast_next(struct net *net, struct sock *sk,
 
 		if (s->sk_hash == num && s->sk_family == PF_INET6) {
 			struct ipv6_pinfo *np = inet6_sk(s);
-			if (inet->dport) {
-				if (inet->dport != rmt_port)
+			if (inet->inet_dport) {
+				if (inet->inet_dport != rmt_port)
 					continue;
 			}
 			if (!ipv6_addr_any(&np->daddr) &&
@@ -792,7 +792,7 @@ int udpv6_sendmsg(struct kiocb *iocb, struct sock *sk,
 		if (ipv6_addr_v4mapped(daddr)) {
 			struct sockaddr_in sin;
 			sin.sin_family = AF_INET;
-			sin.sin_port = sin6 ? sin6->sin6_port : inet->dport;
+			sin.sin_port = sin6 ? sin6->sin6_port : inet->inet_dport;
 			sin.sin_addr.s_addr = daddr->s6_addr32[3];
 			msg->msg_name = &sin;
 			msg->msg_namelen = sizeof(sin);
@@ -865,7 +865,7 @@ do_udp_sendmsg:
 		if (sk->sk_state != TCP_ESTABLISHED)
 			return -EDESTADDRREQ;
 
-		fl.fl_ip_dport = inet->dport;
+		fl.fl_ip_dport = inet->inet_dport;
 		daddr = &np->daddr;
 		fl.fl6_flowlabel = np->flow_label;
 		connected = 1;
@@ -911,7 +911,7 @@ do_udp_sendmsg:
 		fl.fl6_dst.s6_addr[15] = 0x1; /* :: means loopback (BSD'ism) */
 	if (ipv6_addr_any(&fl.fl6_src) && !ipv6_addr_any(&np->saddr))
 		ipv6_addr_copy(&fl.fl6_src, &np->saddr);
-	fl.fl_ip_sport = inet->sport;
+	fl.fl_ip_sport = inet->inet_sport;
 
 	/* merge ip6_build_xmit from ip6_output */
 	if (opt && opt->srcrt) {
@@ -1192,8 +1192,8 @@ static void udp6_sock_seq_show(struct seq_file *seq, struct sock *sp, int bucket
 
 	dest  = &np->daddr;
 	src   = &np->rcv_saddr;
-	destp = ntohs(inet->dport);
-	srcp  = ntohs(inet->sport);
+	destp = ntohs(inet->inet_dport);
+	srcp  = ntohs(inet->inet_sport);
 	seq_printf(seq,
 		   "%5d: %08X%08X%08X%08X:%04X %08X%08X%08X%08X:%04X "
 		   "%02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d\n",
diff --git a/net/netfilter/xt_socket.c b/net/netfilter/xt_socket.c
index ebf00ad5b19..362afbd60a9 100644
--- a/net/netfilter/xt_socket.c
+++ b/net/netfilter/xt_socket.c
@@ -149,7 +149,7 @@ socket_match(const struct sk_buff *skb, const struct xt_match_param *par,
 
 		/* Ignore sockets listening on INADDR_ANY */
 		wildcard = (sk->sk_state != TCP_TIME_WAIT &&
-			    inet_sk(sk)->rcv_saddr == 0);
+			    inet_sk(sk)->inet_rcv_saddr == 0);
 
 		/* Ignore non-transparent sockets,
 		   if XT_SOCKET_TRANSPARENT is used */
diff --git a/net/rds/tcp_listen.c b/net/rds/tcp_listen.c
index 24b743eb0b1..45474a43686 100644
--- a/net/rds/tcp_listen.c
+++ b/net/rds/tcp_listen.c
@@ -67,11 +67,11 @@ static int rds_tcp_accept_one(struct socket *sock)
 	inet = inet_sk(new_sock->sk);
 
 	rdsdebug("accepted tcp %u.%u.%u.%u:%u -> %u.%u.%u.%u:%u\n",
-		  NIPQUAD(inet->saddr), ntohs(inet->sport),
-		  NIPQUAD(inet->daddr), ntohs(inet->dport));
+		  NIPQUAD(inet->inet_saddr), ntohs(inet->inet_sport),
+		  NIPQUAD(inet->inet_daddr), ntohs(inet->inet_dport));
 
-	conn = rds_conn_create(inet->saddr, inet->daddr, &rds_tcp_transport,
-			       GFP_KERNEL);
+	conn = rds_conn_create(inet->inet_saddr, inet->inet_daddr,
+			       &rds_tcp_transport, GFP_KERNEL);
 	if (IS_ERR(conn)) {
 		ret = PTR_ERR(conn);
 		goto out;
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 612dc878e05..d9f4cc2c786 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -296,19 +296,19 @@ static void sctp_v4_from_sk(union sctp_addr *addr, struct sock *sk)
 {
 	addr->v4.sin_family = AF_INET;
 	addr->v4.sin_port = 0;
-	addr->v4.sin_addr.s_addr = inet_sk(sk)->rcv_saddr;
+	addr->v4.sin_addr.s_addr = inet_sk(sk)->inet_rcv_saddr;
 }
 
 /* Initialize sk->sk_rcv_saddr from sctp_addr. */
 static void sctp_v4_to_sk_saddr(union sctp_addr *addr, struct sock *sk)
 {
-	inet_sk(sk)->rcv_saddr = addr->v4.sin_addr.s_addr;
+	inet_sk(sk)->inet_rcv_saddr = addr->v4.sin_addr.s_addr;
 }
 
 /* Initialize sk->sk_daddr from sctp_addr. */
 static void sctp_v4_to_sk_daddr(union sctp_addr *addr, struct sock *sk)
 {
-	inet_sk(sk)->daddr = addr->v4.sin_addr.s_addr;
+	inet_sk(sk)->inet_daddr = addr->v4.sin_addr.s_addr;
 }
 
 /* Initialize a sctp_addr from an address parameter. */
@@ -598,7 +598,7 @@ static struct sock *sctp_v4_create_accept_sk(struct sock *sk,
 
 	newinet = inet_sk(newsk);
 
-	newinet->daddr = asoc->peer.primary_addr.v4.sin_addr.s_addr;
+	newinet->inet_daddr = asoc->peer.primary_addr.v4.sin_addr.s_addr;
 
 	sk_refcnt_debug_inc(newsk);
 
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 0970e92c6ac..4085db99033 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -394,7 +394,7 @@ SCTP_STATIC int sctp_do_bind(struct sock *sk, union sctp_addr *addr, int len)
 
 	/* Refresh ephemeral port.  */
 	if (!bp->port)
-		bp->port = inet_sk(sk)->num;
+		bp->port = inet_sk(sk)->inet_num;
 
 	/* Add the address to the bind address list.
 	 * Use GFP_ATOMIC since BHs will be disabled.
@@ -403,7 +403,7 @@ SCTP_STATIC int sctp_do_bind(struct sock *sk, union sctp_addr *addr, int len)
 
 	/* Copy back into socket for getsockname() use. */
 	if (!ret) {
-		inet_sk(sk)->sport = htons(inet_sk(sk)->num);
+		inet_sk(sk)->inet_sport = htons(inet_sk(sk)->inet_num);
 		af->to_sk_saddr(addr, sk);
 	}
 
@@ -1115,7 +1115,7 @@ static int __sctp_connect(struct sock* sk,
 	}
 
 	/* Initialize sk's dport and daddr for getpeername() */
-	inet_sk(sk)->dport = htons(asoc->peer.port);
+	inet_sk(sk)->inet_dport = htons(asoc->peer.port);
 	af = sctp_get_af_specific(sa_addr->sa.sa_family);
 	af->to_sk_daddr(sa_addr, sk);
 	sk->sk_err = 0;
@@ -5851,7 +5851,7 @@ pp_not_found:
 	 */
 success:
 	if (!sctp_sk(sk)->bind_hash) {
-		inet_sk(sk)->num = snum;
+		inet_sk(sk)->inet_num = snum;
 		sk_add_bind_node(sk, &pp->owner);
 		sctp_sk(sk)->bind_hash = pp;
 	}
@@ -5923,7 +5923,7 @@ SCTP_STATIC int sctp_listen_start(struct sock *sk, int backlog)
 		if (sctp_autobind(sk))
 			return -EAGAIN;
 	} else {
-		if (sctp_get_port(sk, inet_sk(sk)->num)) {
+		if (sctp_get_port(sk, inet_sk(sk)->inet_num)) {
 			sk->sk_state = SCTP_SS_CLOSED;
 			return -EADDRINUSE;
 		}
@@ -6094,14 +6094,14 @@ static void sctp_bucket_destroy(struct sctp_bind_bucket *pp)
 static inline void __sctp_put_port(struct sock *sk)
 {
 	struct sctp_bind_hashbucket *head =
-		&sctp_port_hashtable[sctp_phashfn(inet_sk(sk)->num)];
+		&sctp_port_hashtable[sctp_phashfn(inet_sk(sk)->inet_num)];
 	struct sctp_bind_bucket *pp;
 
 	sctp_spin_lock(&head->lock);
 	pp = sctp_sk(sk)->bind_hash;
 	__sk_del_bind_node(sk);
 	sctp_sk(sk)->bind_hash = NULL;
-	inet_sk(sk)->num = 0;
+	inet_sk(sk)->inet_num = 0;
 	sctp_bucket_destroy(pp);
 	sctp_spin_unlock(&head->lock);
 }
@@ -6128,7 +6128,7 @@ static int sctp_autobind(struct sock *sk)
 	/* Initialize a local sockaddr structure to INADDR_ANY. */
 	af = sctp_sk(sk)->pf->af;
 
-	port = htons(inet_sk(sk)->num);
+	port = htons(inet_sk(sk)->inet_num);
 	af->inaddr_any(&autoaddr, port);
 
 	return sctp_do_bind(sk, &autoaddr, af->sockaddr_len);
@@ -6697,12 +6697,12 @@ void sctp_copy_sock(struct sock *newsk, struct sock *sk,
 	/* Initialize sk's sport, dport, rcv_saddr and daddr for
 	 * getsockname() and getpeername()
 	 */
-	newinet->sport = inet->sport;
-	newinet->saddr = inet->saddr;
-	newinet->rcv_saddr = inet->rcv_saddr;
-	newinet->dport = htons(asoc->peer.port);
+	newinet->inet_sport = inet->inet_sport;
+	newinet->inet_saddr = inet->inet_saddr;
+	newinet->inet_rcv_saddr = inet->inet_rcv_saddr;
+	newinet->inet_dport = htons(asoc->peer.port);
 	newinet->pmtudisc = inet->pmtudisc;
-	newinet->id = asoc->next_tsn ^ jiffies;
+	newinet->inet_id = asoc->next_tsn ^ jiffies;
 
 	newinet->uc_ttl = inet->uc_ttl;
 	newinet->mc_loop = 1;
@@ -6741,13 +6741,13 @@ static void sctp_sock_migrate(struct sock *oldsk, struct sock *newsk,
 	newsp->hmac = NULL;
 
 	/* Hook this new socket in to the bind_hash list. */
-	head = &sctp_port_hashtable[sctp_phashfn(inet_sk(oldsk)->num)];
+	head = &sctp_port_hashtable[sctp_phashfn(inet_sk(oldsk)->inet_num)];
 	sctp_local_bh_disable();
 	sctp_spin_lock(&head->lock);
 	pp = sctp_sk(oldsk)->bind_hash;
 	sk_add_bind_node(newsk, &pp->owner);
 	sctp_sk(newsk)->bind_hash = pp;
-	inet_sk(newsk)->num = inet_sk(oldsk)->num;
+	inet_sk(newsk)->inet_num = inet_sk(oldsk)->inet_num;
 	sctp_spin_unlock(&head->lock);
 	sctp_local_bh_enable();
 
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index ccc5e83cae5..c2a17876def 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -272,14 +272,14 @@ static int svc_one_sock_name(struct svc_sock *svsk, char *buf, int remaining)
 	case PF_INET:
 		len = snprintf(buf, remaining, "ipv4 %s %pI4 %d\n",
 				proto_name,
-				&inet_sk(sk)->rcv_saddr,
-				inet_sk(sk)->num);
+				&inet_sk(sk)->inet_rcv_saddr,
+				inet_sk(sk)->inet_num);
 		break;
 	case PF_INET6:
 		len = snprintf(buf, remaining, "ipv6 %s %pI6 %d\n",
 				proto_name,
 				&inet6_sk(sk)->rcv_saddr,
-				inet_sk(sk)->num);
+				inet_sk(sk)->inet_num);
 		break;
 	default:
 		len = snprintf(buf, remaining, "*unknown-%d*\n",
@@ -1311,7 +1311,7 @@ static struct svc_sock *svc_setup_socket(struct svc_serv *serv,
 	/* Register socket with portmapper */
 	if (*errp >= 0 && pmap_register)
 		*errp = svc_register(serv, inet->sk_family, inet->sk_protocol,
-				     ntohs(inet_sk(inet)->sport));
+				     ntohs(inet_sk(inet)->inet_sport));
 
 	if (*errp < 0) {
 		kfree(svsk);
diff --git a/security/lsm_audit.c b/security/lsm_audit.c
index 3bb90b6f1dd..e04566a2c4e 100644
--- a/security/lsm_audit.c
+++ b/security/lsm_audit.c
@@ -273,11 +273,11 @@ static void dump_common_audit_data(struct audit_buffer *ab,
 			case AF_INET: {
 				struct inet_sock *inet = inet_sk(sk);
 
-				print_ipv4_addr(ab, inet->rcv_saddr,
-						inet->sport,
+				print_ipv4_addr(ab, inet->inet_rcv_saddr,
+						inet->inet_sport,
 						"laddr", "lport");
-				print_ipv4_addr(ab, inet->daddr,
-						inet->dport,
+				print_ipv4_addr(ab, inet->inet_daddr,
+						inet->inet_dport,
 						"faddr", "fport");
 				break;
 			}
@@ -286,10 +286,10 @@ static void dump_common_audit_data(struct audit_buffer *ab,
 				struct ipv6_pinfo *inet6 = inet6_sk(sk);
 
 				print_ipv6_addr(ab, &inet6->rcv_saddr,
-						inet->sport,
+						inet->inet_sport,
 						"laddr", "lport");
 				print_ipv6_addr(ab, &inet6->daddr,
-						inet->dport,
+						inet->inet_dport,
 						"faddr", "fport");
 				break;
 			}
-- 
GitLab


From 8edf19c2fe028563fc6ea9cb1995b8ee4172d4b6 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 15 Oct 2009 00:12:40 +0000
Subject: [PATCH 0315/1815] net: sk_drops consolidation part 2

- skb_kill_datagram() can increment sk->sk_drops itself, not callers.

- UDP on IPV4 & IPV6 dropped frames (because of bad checksum or policy checks) increment sk_drops

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/datagram.c | 1 +
 net/ipv4/udp.c      | 2 ++
 net/ipv6/raw.c      | 1 -
 net/ipv6/udp.c      | 4 +++-
 4 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/net/core/datagram.c b/net/core/datagram.c
index 1c6cf3a1a4f..4d57f5e12b0 100644
--- a/net/core/datagram.c
+++ b/net/core/datagram.c
@@ -262,6 +262,7 @@ int skb_kill_datagram(struct sock *sk, struct sk_buff *skb, unsigned int flags)
 	}
 
 	kfree_skb(skb);
+	atomic_inc(&sk->sk_drops);
 	sk_mem_reclaim_partial(sk);
 
 	return err;
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index ec5c7a720c0..4274c1cc78f 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -867,6 +867,7 @@ static unsigned int first_packet_length(struct sock *sk)
 		udp_lib_checksum_complete(skb)) {
 		UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS,
 				 IS_UDPLITE(sk));
+		atomic_inc(&sk->sk_drops);
 		__skb_unlink(skb, rcvq);
 		__skb_queue_tail(&list_kill, skb);
 	}
@@ -1186,6 +1187,7 @@ int udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
 
 drop:
 	UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
+	atomic_inc(&sk->sk_drops);
 	kfree_skb(skb);
 	return -1;
 }
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 52ed7d7f9da..cb834ab7f07 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -517,7 +517,6 @@ csum_copy_err:
 	   as some normal condition.
 	 */
 	err = (flags&MSG_DONTWAIT) ? -EAGAIN : -EHOSTUNREACH;
-	atomic_inc(&sk->sk_drops);
 	goto out;
 }
 
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 829d300a6f3..d3b59d73f50 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -390,11 +390,13 @@ int udpv6_queue_rcv_skb(struct sock * sk, struct sk_buff *skb)
 		if (rc == -ENOMEM)
 			UDP6_INC_STATS_BH(sock_net(sk),
 					UDP_MIB_RCVBUFERRORS, is_udplite);
-		goto drop;
+		goto drop_no_sk_drops_inc;
 	}
 
 	return 0;
 drop:
+	atomic_inc(&sk->sk_drops);
+drop_no_sk_drops_inc:
 	UDP6_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
 	kfree_skb(skb);
 	return -1;
-- 
GitLab


From 2395f0e862aadf7d82d5a95cb2e8fdade8d7970d Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Wed, 14 Oct 2009 05:22:24 +0000
Subject: [PATCH 0316/1815] cosa: Kill off the use of the old ioctl path

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/wan/cosa.c | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wan/cosa.c b/drivers/net/wan/cosa.c
index 66360a2a14c..2eceb1a24df 100644
--- a/drivers/net/wan/cosa.c
+++ b/drivers/net/wan/cosa.c
@@ -296,8 +296,8 @@ static ssize_t cosa_write(struct file *file,
 static unsigned int cosa_poll(struct file *file, poll_table *poll);
 static int cosa_open(struct inode *inode, struct file *file);
 static int cosa_release(struct inode *inode, struct file *file);
-static int cosa_chardev_ioctl(struct inode *inode, struct file *file,
-	unsigned int cmd, unsigned long arg);
+static long cosa_chardev_ioctl(struct file *file, unsigned int cmd,
+				unsigned long arg);
 #ifdef COSA_FASYNC_WORKING
 static int cosa_fasync(struct inode *inode, struct file *file, int on);
 #endif
@@ -308,7 +308,7 @@ static const struct file_operations cosa_fops = {
 	.read		= cosa_read,
 	.write		= cosa_write,
 	.poll		= cosa_poll,
-	.ioctl		= cosa_chardev_ioctl,
+	.unlocked_ioctl	= cosa_chardev_ioctl,
 	.open		= cosa_open,
 	.release	= cosa_release,
 #ifdef COSA_FASYNC_WORKING
@@ -1203,12 +1203,18 @@ static int cosa_net_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 	return hdlc_ioctl(dev, ifr, cmd);
 }
 
-static int cosa_chardev_ioctl(struct inode *inode, struct file *file,
-	unsigned int cmd, unsigned long arg)
+static long cosa_chardev_ioctl(struct file *file, unsigned int cmd,
+							unsigned long arg)
 {
 	struct channel_data *channel = file->private_data;
-	struct cosa_data *cosa = channel->cosa;
-	return cosa_ioctl_common(cosa, channel, cmd, arg);
+	struct cosa_data *cosa;
+	long ret;
+
+	lock_kernel();
+	cosa = channel->cosa;
+	ret = cosa_ioctl_common(cosa, channel, cmd, arg);
+	unlock_kernel();
+	return ret;
 }
 
 
-- 
GitLab


From 49cbf952488e7fa2f1160c80016e09e6c2854b24 Mon Sep 17 00:00:00 2001
From: Steffen Klassert <steffen.klassert@secunet.com>
Date: Wed, 7 Oct 2009 22:47:16 +0000
Subject: [PATCH 0317/1815] ah: Add struct crypto_ahash to ah_data

To support for ahash algorithms, we add a pointer to a
crypto_ahash to ah_data.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/ah.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/net/ah.h b/include/net/ah.h
index ae1c322f424..7ac52214ba0 100644
--- a/include/net/ah.h
+++ b/include/net/ah.h
@@ -14,6 +14,7 @@ struct ah_data
 	int			icv_trunc_len;
 
 	struct crypto_hash	*tfm;
+	struct crypto_ahash	*ahash;
 };
 
 static inline int ah_mac_digest(struct ah_data *ahp, struct sk_buff *skb,
-- 
GitLab


From dff3bb0626279bae04ed10ed61ab726d6b3ef4b4 Mon Sep 17 00:00:00 2001
From: Steffen Klassert <steffen.klassert@secunet.com>
Date: Wed, 7 Oct 2009 22:48:17 +0000
Subject: [PATCH 0318/1815] ah4: convert to ahash

This patch converts ah4 to the new ahash interface.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/ah4.c | 295 +++++++++++++++++++++++++++++++++++++++----------
 1 file changed, 236 insertions(+), 59 deletions(-)

diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index 5c662703eb1..d07b0c1dd35 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -1,3 +1,4 @@
+#include <crypto/hash.h>
 #include <linux/err.h>
 #include <linux/module.h>
 #include <net/ip.h>
@@ -5,10 +6,67 @@
 #include <net/ah.h>
 #include <linux/crypto.h>
 #include <linux/pfkeyv2.h>
-#include <linux/spinlock.h>
+#include <linux/scatterlist.h>
 #include <net/icmp.h>
 #include <net/protocol.h>
 
+struct ah_skb_cb {
+	struct xfrm_skb_cb xfrm;
+	void *tmp;
+};
+
+#define AH_SKB_CB(__skb) ((struct ah_skb_cb *)&((__skb)->cb[0]))
+
+static void *ah_alloc_tmp(struct crypto_ahash *ahash, int nfrags,
+			  unsigned int size)
+{
+	unsigned int len;
+
+	len = size + crypto_ahash_digestsize(ahash) +
+	      (crypto_ahash_alignmask(ahash) &
+	       ~(crypto_tfm_ctx_alignment() - 1));
+
+	len = ALIGN(len, crypto_tfm_ctx_alignment());
+
+	len += sizeof(struct ahash_request) + crypto_ahash_reqsize(ahash);
+	len = ALIGN(len, __alignof__(struct scatterlist));
+
+	len += sizeof(struct scatterlist) * nfrags;
+
+	return kmalloc(len, GFP_ATOMIC);
+}
+
+static inline u8 *ah_tmp_auth(void *tmp, unsigned int offset)
+{
+	return tmp + offset;
+}
+
+static inline u8 *ah_tmp_icv(struct crypto_ahash *ahash, void *tmp,
+			     unsigned int offset)
+{
+	return PTR_ALIGN((u8 *)tmp + offset, crypto_ahash_alignmask(ahash) + 1);
+}
+
+static inline struct ahash_request *ah_tmp_req(struct crypto_ahash *ahash,
+					       u8 *icv)
+{
+	struct ahash_request *req;
+
+	req = (void *)PTR_ALIGN(icv + crypto_ahash_digestsize(ahash),
+				crypto_tfm_ctx_alignment());
+
+	ahash_request_set_tfm(req, ahash);
+
+	return req;
+}
+
+static inline struct scatterlist *ah_req_sg(struct crypto_ahash *ahash,
+					     struct ahash_request *req)
+{
+	return (void *)ALIGN((unsigned long)(req + 1) +
+			     crypto_ahash_reqsize(ahash),
+			     __alignof__(struct scatterlist));
+}
 
 /* Clear mutable options and find final destination to substitute
  * into IP header for icv calculation. Options are already checked
@@ -54,20 +112,72 @@ static int ip_clear_mutable_options(struct iphdr *iph, __be32 *daddr)
 	return 0;
 }
 
+static void ah_output_done(struct crypto_async_request *base, int err)
+{
+	u8 *icv;
+	struct iphdr *iph;
+	struct sk_buff *skb = base->data;
+	struct xfrm_state *x = skb_dst(skb)->xfrm;
+	struct ah_data *ahp = x->data;
+	struct iphdr *top_iph = ip_hdr(skb);
+	struct ip_auth_hdr *ah = ip_auth_hdr(skb);
+	int ihl = ip_hdrlen(skb);
+
+	iph = AH_SKB_CB(skb)->tmp;
+	icv = ah_tmp_icv(ahp->ahash, iph, ihl);
+	memcpy(ah->auth_data, icv, ahp->icv_trunc_len);
+
+	top_iph->tos = iph->tos;
+	top_iph->ttl = iph->ttl;
+	top_iph->frag_off = iph->frag_off;
+	if (top_iph->ihl != 5) {
+		top_iph->daddr = iph->daddr;
+		memcpy(top_iph+1, iph+1, top_iph->ihl*4 - sizeof(struct iphdr));
+	}
+
+	err = ah->nexthdr;
+
+	kfree(AH_SKB_CB(skb)->tmp);
+	xfrm_output_resume(skb, err);
+}
+
 static int ah_output(struct xfrm_state *x, struct sk_buff *skb)
 {
 	int err;
+	int nfrags;
+	int ihl;
+	u8 *icv;
+	struct sk_buff *trailer;
+	struct crypto_ahash *ahash;
+	struct ahash_request *req;
+	struct scatterlist *sg;
 	struct iphdr *iph, *top_iph;
 	struct ip_auth_hdr *ah;
 	struct ah_data *ahp;
-	union {
-		struct iphdr	iph;
-		char 		buf[60];
-	} tmp_iph;
+
+	ahp = x->data;
+	ahash = ahp->ahash;
+
+	if ((err = skb_cow_data(skb, 0, &trailer)) < 0)
+		goto out;
+	nfrags = err;
 
 	skb_push(skb, -skb_network_offset(skb));
+	ah = ip_auth_hdr(skb);
+	ihl = ip_hdrlen(skb);
+
+	err = -ENOMEM;
+	iph = ah_alloc_tmp(ahash, nfrags, ihl);
+	if (!iph)
+		goto out;
+
+	icv = ah_tmp_icv(ahash, iph, ihl);
+	req = ah_tmp_req(ahash, icv);
+	sg = ah_req_sg(ahash, req);
+
+	memset(ah->auth_data, 0, ahp->icv_trunc_len);
+
 	top_iph = ip_hdr(skb);
-	iph = &tmp_iph.iph;
 
 	iph->tos = top_iph->tos;
 	iph->ttl = top_iph->ttl;
@@ -78,10 +188,9 @@ static int ah_output(struct xfrm_state *x, struct sk_buff *skb)
 		memcpy(iph+1, top_iph+1, top_iph->ihl*4 - sizeof(struct iphdr));
 		err = ip_clear_mutable_options(top_iph, &top_iph->daddr);
 		if (err)
-			goto error;
+			goto out_free;
 	}
 
-	ah = ip_auth_hdr(skb);
 	ah->nexthdr = *skb_mac_header(skb);
 	*skb_mac_header(skb) = IPPROTO_AH;
 
@@ -91,20 +200,31 @@ static int ah_output(struct xfrm_state *x, struct sk_buff *skb)
 	top_iph->ttl = 0;
 	top_iph->check = 0;
 
-	ahp = x->data;
 	ah->hdrlen  = (XFRM_ALIGN8(sizeof(*ah) + ahp->icv_trunc_len) >> 2) - 2;
 
 	ah->reserved = 0;
 	ah->spi = x->id.spi;
 	ah->seq_no = htonl(XFRM_SKB_CB(skb)->seq.output);
 
-	spin_lock_bh(&x->lock);
-	err = ah_mac_digest(ahp, skb, ah->auth_data);
-	memcpy(ah->auth_data, ahp->work_icv, ahp->icv_trunc_len);
-	spin_unlock_bh(&x->lock);
+	sg_init_table(sg, nfrags);
+	skb_to_sgvec(skb, sg, 0, skb->len);
 
-	if (err)
-		goto error;
+	ahash_request_set_crypt(req, sg, icv, skb->len);
+	ahash_request_set_callback(req, 0, ah_output_done, skb);
+
+	AH_SKB_CB(skb)->tmp = iph;
+
+	err = crypto_ahash_digest(req);
+	if (err) {
+		if (err == -EINPROGRESS)
+			goto out;
+
+		if (err == -EBUSY)
+			err = NET_XMIT_DROP;
+		goto out_free;
+	}
+
+	memcpy(ah->auth_data, icv, ahp->icv_trunc_len);
 
 	top_iph->tos = iph->tos;
 	top_iph->ttl = iph->ttl;
@@ -114,28 +234,67 @@ static int ah_output(struct xfrm_state *x, struct sk_buff *skb)
 		memcpy(top_iph+1, iph+1, top_iph->ihl*4 - sizeof(struct iphdr));
 	}
 
-	err = 0;
-
-error:
+out_free:
+	kfree(iph);
+out:
 	return err;
 }
 
+static void ah_input_done(struct crypto_async_request *base, int err)
+{
+	u8 *auth_data;
+	u8 *icv;
+	struct iphdr *work_iph;
+	struct sk_buff *skb = base->data;
+	struct xfrm_state *x = xfrm_input_state(skb);
+	struct ah_data *ahp = x->data;
+	struct ip_auth_hdr *ah = ip_auth_hdr(skb);
+	int ihl = ip_hdrlen(skb);
+	int ah_hlen = (ah->hdrlen + 2) << 2;
+
+	work_iph = AH_SKB_CB(skb)->tmp;
+	auth_data = ah_tmp_auth(work_iph, ihl);
+	icv = ah_tmp_icv(ahp->ahash, auth_data, ahp->icv_trunc_len);
+
+	err = memcmp(icv, auth_data, ahp->icv_trunc_len) ? -EBADMSG: 0;
+	if (err)
+		goto out;
+
+	skb->network_header += ah_hlen;
+	memcpy(skb_network_header(skb), work_iph, ihl);
+	__skb_pull(skb, ah_hlen + ihl);
+	skb_set_transport_header(skb, -ihl);
+
+	err = ah->nexthdr;
+out:
+	kfree(AH_SKB_CB(skb)->tmp);
+	xfrm_input_resume(skb, err);
+}
+
 static int ah_input(struct xfrm_state *x, struct sk_buff *skb)
 {
 	int ah_hlen;
 	int ihl;
 	int nexthdr;
-	int err = -EINVAL;
-	struct iphdr *iph;
+	int nfrags;
+	u8 *auth_data;
+	u8 *icv;
+	struct sk_buff *trailer;
+	struct crypto_ahash *ahash;
+	struct ahash_request *req;
+	struct scatterlist *sg;
+	struct iphdr *iph, *work_iph;
 	struct ip_auth_hdr *ah;
 	struct ah_data *ahp;
-	char work_buf[60];
+	int err = -ENOMEM;
 
 	if (!pskb_may_pull(skb, sizeof(*ah)))
 		goto out;
 
 	ah = (struct ip_auth_hdr *)skb->data;
 	ahp = x->data;
+	ahash = ahp->ahash;
+
 	nexthdr = ah->nexthdr;
 	ah_hlen = (ah->hdrlen + 2) << 2;
 
@@ -156,9 +315,24 @@ static int ah_input(struct xfrm_state *x, struct sk_buff *skb)
 
 	ah = (struct ip_auth_hdr *)skb->data;
 	iph = ip_hdr(skb);
+	ihl = ip_hdrlen(skb);
+
+	if ((err = skb_cow_data(skb, 0, &trailer)) < 0)
+		goto out;
+	nfrags = err;
+
+	work_iph = ah_alloc_tmp(ahash, nfrags, ihl + ahp->icv_trunc_len);
+	if (!work_iph)
+		goto out;
+
+	auth_data = ah_tmp_auth(work_iph, ihl);
+	icv = ah_tmp_icv(ahash, auth_data, ahp->icv_trunc_len);
+	req = ah_tmp_req(ahash, icv);
+	sg = ah_req_sg(ahash, req);
 
-	ihl = skb->data - skb_network_header(skb);
-	memcpy(work_buf, iph, ihl);
+	memcpy(work_iph, iph, ihl);
+	memcpy(auth_data, ah->auth_data, ahp->icv_trunc_len);
+	memset(ah->auth_data, 0, ahp->icv_trunc_len);
 
 	iph->ttl = 0;
 	iph->tos = 0;
@@ -166,35 +340,44 @@ static int ah_input(struct xfrm_state *x, struct sk_buff *skb)
 	iph->check = 0;
 	if (ihl > sizeof(*iph)) {
 		__be32 dummy;
-		if (ip_clear_mutable_options(iph, &dummy))
-			goto out;
+		err = ip_clear_mutable_options(iph, &dummy);
+		if (err)
+			goto out_free;
 	}
 
-	spin_lock(&x->lock);
-	{
-		u8 auth_data[MAX_AH_AUTH_LEN];
+	skb_push(skb, ihl);
 
-		memcpy(auth_data, ah->auth_data, ahp->icv_trunc_len);
-		skb_push(skb, ihl);
-		err = ah_mac_digest(ahp, skb, ah->auth_data);
-		if (err)
-			goto unlock;
-		if (memcmp(ahp->work_icv, auth_data, ahp->icv_trunc_len))
-			err = -EBADMSG;
+	sg_init_table(sg, nfrags);
+	skb_to_sgvec(skb, sg, 0, skb->len);
+
+	ahash_request_set_crypt(req, sg, icv, skb->len);
+	ahash_request_set_callback(req, 0, ah_input_done, skb);
+
+	AH_SKB_CB(skb)->tmp = work_iph;
+
+	err = crypto_ahash_digest(req);
+	if (err) {
+		if (err == -EINPROGRESS)
+			goto out;
+
+		if (err == -EBUSY)
+			err = NET_XMIT_DROP;
+		goto out_free;
 	}
-unlock:
-	spin_unlock(&x->lock);
 
+	err = memcmp(icv, auth_data, ahp->icv_trunc_len) ? -EBADMSG: 0;
 	if (err)
-		goto out;
+		goto out_free;
 
 	skb->network_header += ah_hlen;
-	memcpy(skb_network_header(skb), work_buf, ihl);
-	skb->transport_header = skb->network_header;
+	memcpy(skb_network_header(skb), work_iph, ihl);
 	__skb_pull(skb, ah_hlen + ihl);
+	skb_set_transport_header(skb, -ihl);
 
-	return nexthdr;
+	err = nexthdr;
 
+out_free:
+	kfree (work_iph);
 out:
 	return err;
 }
@@ -222,7 +405,7 @@ static int ah_init_state(struct xfrm_state *x)
 {
 	struct ah_data *ahp = NULL;
 	struct xfrm_algo_desc *aalg_desc;
-	struct crypto_hash *tfm;
+	struct crypto_ahash *ahash;
 
 	if (!x->aalg)
 		goto error;
@@ -231,31 +414,31 @@ static int ah_init_state(struct xfrm_state *x)
 		goto error;
 
 	ahp = kzalloc(sizeof(*ahp), GFP_KERNEL);
-	if (ahp == NULL)
+	if (!ahp)
 		return -ENOMEM;
 
-	tfm = crypto_alloc_hash(x->aalg->alg_name, 0, CRYPTO_ALG_ASYNC);
-	if (IS_ERR(tfm))
+	ahash = crypto_alloc_ahash(x->aalg->alg_name, 0, 0);
+	if (IS_ERR(ahash))
 		goto error;
 
-	ahp->tfm = tfm;
-	if (crypto_hash_setkey(tfm, x->aalg->alg_key,
-			       (x->aalg->alg_key_len + 7) / 8))
+	ahp->ahash = ahash;
+	if (crypto_ahash_setkey(ahash, x->aalg->alg_key,
+				(x->aalg->alg_key_len + 7) / 8))
 		goto error;
 
 	/*
 	 * Lookup the algorithm description maintained by xfrm_algo,
 	 * verify crypto transform properties, and store information
 	 * we need for AH processing.  This lookup cannot fail here
-	 * after a successful crypto_alloc_hash().
+	 * after a successful crypto_alloc_ahash().
 	 */
 	aalg_desc = xfrm_aalg_get_byname(x->aalg->alg_name, 0);
 	BUG_ON(!aalg_desc);
 
 	if (aalg_desc->uinfo.auth.icv_fullbits/8 !=
-	    crypto_hash_digestsize(tfm)) {
+	    crypto_ahash_digestsize(ahash)) {
 		printk(KERN_INFO "AH: %s digestsize %u != %hu\n",
-		       x->aalg->alg_name, crypto_hash_digestsize(tfm),
+		       x->aalg->alg_name, crypto_ahash_digestsize(ahash),
 		       aalg_desc->uinfo.auth.icv_fullbits/8);
 		goto error;
 	}
@@ -265,10 +448,6 @@ static int ah_init_state(struct xfrm_state *x)
 
 	BUG_ON(ahp->icv_trunc_len > MAX_AH_AUTH_LEN);
 
-	ahp->work_icv = kmalloc(ahp->icv_full_len, GFP_KERNEL);
-	if (!ahp->work_icv)
-		goto error;
-
 	x->props.header_len = XFRM_ALIGN8(sizeof(struct ip_auth_hdr) +
 					  ahp->icv_trunc_len);
 	if (x->props.mode == XFRM_MODE_TUNNEL)
@@ -279,8 +458,7 @@ static int ah_init_state(struct xfrm_state *x)
 
 error:
 	if (ahp) {
-		kfree(ahp->work_icv);
-		crypto_free_hash(ahp->tfm);
+		crypto_free_ahash(ahp->ahash);
 		kfree(ahp);
 	}
 	return -EINVAL;
@@ -293,8 +471,7 @@ static void ah_destroy(struct xfrm_state *x)
 	if (!ahp)
 		return;
 
-	kfree(ahp->work_icv);
-	crypto_free_hash(ahp->tfm);
+	crypto_free_ahash(ahp->ahash);
 	kfree(ahp);
 }
 
-- 
GitLab


From 8631e9bdfea189b2e5efe3b03825cc24ebb6cfb7 Mon Sep 17 00:00:00 2001
From: Steffen Klassert <steffen.klassert@secunet.com>
Date: Wed, 7 Oct 2009 22:49:01 +0000
Subject: [PATCH 0319/1815] ah6: convert to ahash

This patch converts ah6 to the new ahash interface.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/ah6.c | 352 ++++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 272 insertions(+), 80 deletions(-)

diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index c1589e2f1dc..0f526f8ea51 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -24,18 +24,92 @@
  * 	This file is derived from net/ipv4/ah.c.
  */
 
+#include <crypto/hash.h>
 #include <linux/module.h>
 #include <net/ip.h>
 #include <net/ah.h>
 #include <linux/crypto.h>
 #include <linux/pfkeyv2.h>
-#include <linux/spinlock.h>
 #include <linux/string.h>
+#include <linux/scatterlist.h>
 #include <net/icmp.h>
 #include <net/ipv6.h>
 #include <net/protocol.h>
 #include <net/xfrm.h>
 
+#define IPV6HDR_BASELEN 8
+
+struct tmp_ext {
+#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
+		struct in6_addr saddr;
+#endif
+		struct in6_addr daddr;
+		char hdrs[0];
+};
+
+struct ah_skb_cb {
+	struct xfrm_skb_cb xfrm;
+	void *tmp;
+};
+
+#define AH_SKB_CB(__skb) ((struct ah_skb_cb *)&((__skb)->cb[0]))
+
+static void *ah_alloc_tmp(struct crypto_ahash *ahash, int nfrags,
+			  unsigned int size)
+{
+	unsigned int len;
+
+	len = size + crypto_ahash_digestsize(ahash) +
+	      (crypto_ahash_alignmask(ahash) &
+	       ~(crypto_tfm_ctx_alignment() - 1));
+
+	len = ALIGN(len, crypto_tfm_ctx_alignment());
+
+	len += sizeof(struct ahash_request) + crypto_ahash_reqsize(ahash);
+	len = ALIGN(len, __alignof__(struct scatterlist));
+
+	len += sizeof(struct scatterlist) * nfrags;
+
+	return kmalloc(len, GFP_ATOMIC);
+}
+
+static inline struct tmp_ext *ah_tmp_ext(void *base)
+{
+	return base + IPV6HDR_BASELEN;
+}
+
+static inline u8 *ah_tmp_auth(u8 *tmp, unsigned int offset)
+{
+	return tmp + offset;
+}
+
+static inline u8 *ah_tmp_icv(struct crypto_ahash *ahash, void *tmp,
+			     unsigned int offset)
+{
+	return PTR_ALIGN((u8 *)tmp + offset, crypto_ahash_alignmask(ahash) + 1);
+}
+
+static inline struct ahash_request *ah_tmp_req(struct crypto_ahash *ahash,
+					       u8 *icv)
+{
+	struct ahash_request *req;
+
+	req = (void *)PTR_ALIGN(icv + crypto_ahash_digestsize(ahash),
+				crypto_tfm_ctx_alignment());
+
+	ahash_request_set_tfm(req, ahash);
+
+	return req;
+}
+
+static inline struct scatterlist *ah_req_sg(struct crypto_ahash *ahash,
+					     struct ahash_request *req)
+{
+	return (void *)ALIGN((unsigned long)(req + 1) +
+			     crypto_ahash_reqsize(ahash),
+			     __alignof__(struct scatterlist));
+}
+
 static int zero_out_mutable_opts(struct ipv6_opt_hdr *opthdr)
 {
 	u8 *opt = (u8 *)opthdr;
@@ -218,24 +292,85 @@ static int ipv6_clear_mutable_options(struct ipv6hdr *iph, int len, int dir)
 	return 0;
 }
 
+static void ah6_output_done(struct crypto_async_request *base, int err)
+{
+	int extlen;
+	u8 *iph_base;
+	u8 *icv;
+	struct sk_buff *skb = base->data;
+	struct xfrm_state *x = skb_dst(skb)->xfrm;
+	struct ah_data *ahp = x->data;
+	struct ipv6hdr *top_iph = ipv6_hdr(skb);
+	struct ip_auth_hdr *ah = ip_auth_hdr(skb);
+	struct tmp_ext *iph_ext;
+
+	extlen = skb_network_header_len(skb) - sizeof(struct ipv6hdr);
+	if (extlen)
+		extlen += sizeof(*iph_ext);
+
+	iph_base = AH_SKB_CB(skb)->tmp;
+	iph_ext = ah_tmp_ext(iph_base);
+	icv = ah_tmp_icv(ahp->ahash, iph_ext, extlen);
+
+	memcpy(ah->auth_data, icv, ahp->icv_trunc_len);
+	memcpy(top_iph, iph_base, IPV6HDR_BASELEN);
+
+	if (extlen) {
+#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
+		memcpy(&top_iph->saddr, iph_ext, extlen);
+#else
+		memcpy(&top_iph->daddr, iph_ext, extlen);
+#endif
+	}
+
+	err = ah->nexthdr;
+
+	kfree(AH_SKB_CB(skb)->tmp);
+	xfrm_output_resume(skb, err);
+}
+
 static int ah6_output(struct xfrm_state *x, struct sk_buff *skb)
 {
 	int err;
+	int nfrags;
 	int extlen;
+	u8 *iph_base;
+	u8 *icv;
+	u8 nexthdr;
+	struct sk_buff *trailer;
+	struct crypto_ahash *ahash;
+	struct ahash_request *req;
+	struct scatterlist *sg;
 	struct ipv6hdr *top_iph;
 	struct ip_auth_hdr *ah;
 	struct ah_data *ahp;
-	u8 nexthdr;
-	char tmp_base[8];
-	struct {
-#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
-		struct in6_addr saddr;
-#endif
-		struct in6_addr daddr;
-		char hdrs[0];
-	} *tmp_ext;
+	struct tmp_ext *iph_ext;
+
+	ahp = x->data;
+	ahash = ahp->ahash;
+
+	if ((err = skb_cow_data(skb, 0, &trailer)) < 0)
+		goto out;
+	nfrags = err;
 
 	skb_push(skb, -skb_network_offset(skb));
+	extlen = skb_network_header_len(skb) - sizeof(struct ipv6hdr);
+	if (extlen)
+		extlen += sizeof(*iph_ext);
+
+	err = -ENOMEM;
+	iph_base = ah_alloc_tmp(ahash, nfrags, IPV6HDR_BASELEN + extlen);
+	if (!iph_base)
+		goto out;
+
+	iph_ext = ah_tmp_ext(iph_base);
+	icv = ah_tmp_icv(ahash, iph_ext, extlen);
+	req = ah_tmp_req(ahash, icv);
+	sg = ah_req_sg(ahash, req);
+
+	ah = ip_auth_hdr(skb);
+	memset(ah->auth_data, 0, ahp->icv_trunc_len);
+
 	top_iph = ipv6_hdr(skb);
 	top_iph->payload_len = htons(skb->len - sizeof(*top_iph));
 
@@ -245,31 +380,22 @@ static int ah6_output(struct xfrm_state *x, struct sk_buff *skb)
 	/* When there are no extension headers, we only need to save the first
 	 * 8 bytes of the base IP header.
 	 */
-	memcpy(tmp_base, top_iph, sizeof(tmp_base));
+	memcpy(iph_base, top_iph, IPV6HDR_BASELEN);
 
-	tmp_ext = NULL;
-	extlen = skb_transport_offset(skb) - sizeof(struct ipv6hdr);
 	if (extlen) {
-		extlen += sizeof(*tmp_ext);
-		tmp_ext = kmalloc(extlen, GFP_ATOMIC);
-		if (!tmp_ext) {
-			err = -ENOMEM;
-			goto error;
-		}
 #if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
-		memcpy(tmp_ext, &top_iph->saddr, extlen);
+		memcpy(iph_ext, &top_iph->saddr, extlen);
 #else
-		memcpy(tmp_ext, &top_iph->daddr, extlen);
+		memcpy(iph_ext, &top_iph->daddr, extlen);
 #endif
 		err = ipv6_clear_mutable_options(top_iph,
-						 extlen - sizeof(*tmp_ext) +
+						 extlen - sizeof(*iph_ext) +
 						 sizeof(*top_iph),
 						 XFRM_POLICY_OUT);
 		if (err)
-			goto error_free_iph;
+			goto out_free;
 	}
 
-	ah = ip_auth_hdr(skb);
 	ah->nexthdr = nexthdr;
 
 	top_iph->priority    = 0;
@@ -278,36 +404,80 @@ static int ah6_output(struct xfrm_state *x, struct sk_buff *skb)
 	top_iph->flow_lbl[2] = 0;
 	top_iph->hop_limit   = 0;
 
-	ahp = x->data;
 	ah->hdrlen  = (XFRM_ALIGN8(sizeof(*ah) + ahp->icv_trunc_len) >> 2) - 2;
 
 	ah->reserved = 0;
 	ah->spi = x->id.spi;
 	ah->seq_no = htonl(XFRM_SKB_CB(skb)->seq.output);
 
-	spin_lock_bh(&x->lock);
-	err = ah_mac_digest(ahp, skb, ah->auth_data);
-	memcpy(ah->auth_data, ahp->work_icv, ahp->icv_trunc_len);
-	spin_unlock_bh(&x->lock);
+	sg_init_table(sg, nfrags);
+	skb_to_sgvec(skb, sg, 0, skb->len);
 
-	if (err)
-		goto error_free_iph;
+	ahash_request_set_crypt(req, sg, icv, skb->len);
+	ahash_request_set_callback(req, 0, ah6_output_done, skb);
+
+	AH_SKB_CB(skb)->tmp = iph_base;
 
-	memcpy(top_iph, tmp_base, sizeof(tmp_base));
-	if (tmp_ext) {
+	err = crypto_ahash_digest(req);
+	if (err) {
+		if (err == -EINPROGRESS)
+			goto out;
+
+		if (err == -EBUSY)
+			err = NET_XMIT_DROP;
+		goto out_free;
+	}
+
+	memcpy(ah->auth_data, icv, ahp->icv_trunc_len);
+	memcpy(top_iph, iph_base, IPV6HDR_BASELEN);
+
+	if (extlen) {
 #if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
-		memcpy(&top_iph->saddr, tmp_ext, extlen);
+		memcpy(&top_iph->saddr, iph_ext, extlen);
 #else
-		memcpy(&top_iph->daddr, tmp_ext, extlen);
+		memcpy(&top_iph->daddr, iph_ext, extlen);
 #endif
-error_free_iph:
-		kfree(tmp_ext);
 	}
 
-error:
+out_free:
+	kfree(iph_base);
+out:
 	return err;
 }
 
+static void ah6_input_done(struct crypto_async_request *base, int err)
+{
+	u8 *auth_data;
+	u8 *icv;
+	u8 *work_iph;
+	struct sk_buff *skb = base->data;
+	struct xfrm_state *x = xfrm_input_state(skb);
+	struct ah_data *ahp = x->data;
+	struct ip_auth_hdr *ah = ip_auth_hdr(skb);
+	int hdr_len = skb_network_header_len(skb);
+	int ah_hlen = (ah->hdrlen + 2) << 2;
+
+	work_iph = AH_SKB_CB(skb)->tmp;
+	auth_data = ah_tmp_auth(work_iph, hdr_len);
+	icv = ah_tmp_icv(ahp->ahash, auth_data, ahp->icv_trunc_len);
+
+	err = memcmp(icv, auth_data, ahp->icv_trunc_len) ? -EBADMSG: 0;
+	if (err)
+		goto out;
+
+	skb->network_header += ah_hlen;
+	memcpy(skb_network_header(skb), work_iph, hdr_len);
+	__skb_pull(skb, ah_hlen + hdr_len);
+	skb_set_transport_header(skb, -hdr_len);
+
+	err = ah->nexthdr;
+out:
+	kfree(AH_SKB_CB(skb)->tmp);
+	xfrm_input_resume(skb, err);
+}
+
+
+
 static int ah6_input(struct xfrm_state *x, struct sk_buff *skb)
 {
 	/*
@@ -325,14 +495,21 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb)
 	 * There is offset of AH before IPv6 header after the process.
 	 */
 
+	u8 *auth_data;
+	u8 *icv;
+	u8 *work_iph;
+	struct sk_buff *trailer;
+	struct crypto_ahash *ahash;
+	struct ahash_request *req;
+	struct scatterlist *sg;
 	struct ip_auth_hdr *ah;
 	struct ipv6hdr *ip6h;
 	struct ah_data *ahp;
-	unsigned char *tmp_hdr = NULL;
 	u16 hdr_len;
 	u16 ah_hlen;
 	int nexthdr;
-	int err = -EINVAL;
+	int nfrags;
+	int err = -ENOMEM;
 
 	if (!pskb_may_pull(skb, sizeof(struct ip_auth_hdr)))
 		goto out;
@@ -345,9 +522,11 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb)
 
 	skb->ip_summed = CHECKSUM_NONE;
 
-	hdr_len = skb->data - skb_network_header(skb);
+	hdr_len = skb_network_header_len(skb);
 	ah = (struct ip_auth_hdr *)skb->data;
 	ahp = x->data;
+	ahash = ahp->ahash;
+
 	nexthdr = ah->nexthdr;
 	ah_hlen = (ah->hdrlen + 2) << 2;
 
@@ -358,48 +537,67 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb)
 	if (!pskb_may_pull(skb, ah_hlen))
 		goto out;
 
-	tmp_hdr = kmemdup(skb_network_header(skb), hdr_len, GFP_ATOMIC);
-	if (!tmp_hdr)
-		goto out;
 	ip6h = ipv6_hdr(skb);
+
+	skb_push(skb, hdr_len);
+
+	if ((err = skb_cow_data(skb, 0, &trailer)) < 0)
+		goto out;
+	nfrags = err;
+
+	work_iph = ah_alloc_tmp(ahash, nfrags, hdr_len + ahp->icv_trunc_len);
+	if (!work_iph)
+		goto out;
+
+	auth_data = ah_tmp_auth(work_iph, hdr_len);
+	icv = ah_tmp_icv(ahash, auth_data, ahp->icv_trunc_len);
+	req = ah_tmp_req(ahash, icv);
+	sg = ah_req_sg(ahash, req);
+
+	memcpy(work_iph, ip6h, hdr_len);
+	memcpy(auth_data, ah->auth_data, ahp->icv_trunc_len);
+	memset(ah->auth_data, 0, ahp->icv_trunc_len);
+
 	if (ipv6_clear_mutable_options(ip6h, hdr_len, XFRM_POLICY_IN))
-		goto free_out;
+		goto out_free;
+
 	ip6h->priority    = 0;
 	ip6h->flow_lbl[0] = 0;
 	ip6h->flow_lbl[1] = 0;
 	ip6h->flow_lbl[2] = 0;
 	ip6h->hop_limit   = 0;
 
-	spin_lock(&x->lock);
-	{
-		u8 auth_data[MAX_AH_AUTH_LEN];
+	sg_init_table(sg, nfrags);
+	skb_to_sgvec(skb, sg, 0, skb->len);
 
-		memcpy(auth_data, ah->auth_data, ahp->icv_trunc_len);
-		memset(ah->auth_data, 0, ahp->icv_trunc_len);
-		skb_push(skb, hdr_len);
-		err = ah_mac_digest(ahp, skb, ah->auth_data);
-		if (err)
-			goto unlock;
-		if (memcmp(ahp->work_icv, auth_data, ahp->icv_trunc_len))
-			err = -EBADMSG;
+	ahash_request_set_crypt(req, sg, icv, skb->len);
+	ahash_request_set_callback(req, 0, ah6_input_done, skb);
+
+	AH_SKB_CB(skb)->tmp = work_iph;
+
+	err = crypto_ahash_digest(req);
+	if (err) {
+		if (err == -EINPROGRESS)
+			goto out;
+
+		if (err == -EBUSY)
+			err = NET_XMIT_DROP;
+		goto out_free;
 	}
-unlock:
-	spin_unlock(&x->lock);
 
+	err = memcmp(icv, auth_data, ahp->icv_trunc_len) ? -EBADMSG: 0;
 	if (err)
-		goto free_out;
+		goto out_free;
 
 	skb->network_header += ah_hlen;
-	memcpy(skb_network_header(skb), tmp_hdr, hdr_len);
+	memcpy(skb_network_header(skb), work_iph, hdr_len);
 	skb->transport_header = skb->network_header;
 	__skb_pull(skb, ah_hlen + hdr_len);
 
-	kfree(tmp_hdr);
+	err = nexthdr;
 
-	return nexthdr;
-
-free_out:
-	kfree(tmp_hdr);
+out_free:
+	kfree(work_iph);
 out:
 	return err;
 }
@@ -430,7 +628,7 @@ static int ah6_init_state(struct xfrm_state *x)
 {
 	struct ah_data *ahp = NULL;
 	struct xfrm_algo_desc *aalg_desc;
-	struct crypto_hash *tfm;
+	struct crypto_ahash *ahash;
 
 	if (!x->aalg)
 		goto error;
@@ -442,12 +640,12 @@ static int ah6_init_state(struct xfrm_state *x)
 	if (ahp == NULL)
 		return -ENOMEM;
 
-	tfm = crypto_alloc_hash(x->aalg->alg_name, 0, CRYPTO_ALG_ASYNC);
-	if (IS_ERR(tfm))
+	ahash = crypto_alloc_ahash(x->aalg->alg_name, 0, 0);
+	if (IS_ERR(ahash))
 		goto error;
 
-	ahp->tfm = tfm;
-	if (crypto_hash_setkey(tfm, x->aalg->alg_key,
+	ahp->ahash = ahash;
+	if (crypto_ahash_setkey(ahash, x->aalg->alg_key,
 			       (x->aalg->alg_key_len + 7) / 8))
 		goto error;
 
@@ -461,9 +659,9 @@ static int ah6_init_state(struct xfrm_state *x)
 	BUG_ON(!aalg_desc);
 
 	if (aalg_desc->uinfo.auth.icv_fullbits/8 !=
-	    crypto_hash_digestsize(tfm)) {
+	    crypto_ahash_digestsize(ahash)) {
 		printk(KERN_INFO "AH: %s digestsize %u != %hu\n",
-		       x->aalg->alg_name, crypto_hash_digestsize(tfm),
+		       x->aalg->alg_name, crypto_ahash_digestsize(ahash),
 		       aalg_desc->uinfo.auth.icv_fullbits/8);
 		goto error;
 	}
@@ -473,10 +671,6 @@ static int ah6_init_state(struct xfrm_state *x)
 
 	BUG_ON(ahp->icv_trunc_len > MAX_AH_AUTH_LEN);
 
-	ahp->work_icv = kmalloc(ahp->icv_full_len, GFP_KERNEL);
-	if (!ahp->work_icv)
-		goto error;
-
 	x->props.header_len = XFRM_ALIGN8(sizeof(struct ip_auth_hdr) +
 					  ahp->icv_trunc_len);
 	switch (x->props.mode) {
@@ -495,8 +689,7 @@ static int ah6_init_state(struct xfrm_state *x)
 
 error:
 	if (ahp) {
-		kfree(ahp->work_icv);
-		crypto_free_hash(ahp->tfm);
+		crypto_free_ahash(ahp->ahash);
 		kfree(ahp);
 	}
 	return -EINVAL;
@@ -509,8 +702,7 @@ static void ah6_destroy(struct xfrm_state *x)
 	if (!ahp)
 		return;
 
-	kfree(ahp->work_icv);
-	crypto_free_hash(ahp->tfm);
+	crypto_free_ahash(ahp->ahash);
 	kfree(ahp);
 }
 
-- 
GitLab


From 2ad9afbf5ca27482aa275de517261d56fd1e7ba0 Mon Sep 17 00:00:00 2001
From: Steffen Klassert <steffen.klassert@secunet.com>
Date: Wed, 7 Oct 2009 22:49:57 +0000
Subject: [PATCH 0320/1815] ah: Remove obsolete code

ah4 and ah6 are converted to ahash now, so we can remove the
code for the obsolete hash algorithm.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/ah.h | 29 +++--------------------------
 1 file changed, 3 insertions(+), 26 deletions(-)

diff --git a/include/net/ah.h b/include/net/ah.h
index 7ac52214ba0..7573a7152a7 100644
--- a/include/net/ah.h
+++ b/include/net/ah.h
@@ -1,44 +1,21 @@
 #ifndef _NET_AH_H
 #define _NET_AH_H
 
-#include <linux/crypto.h>
-#include <net/xfrm.h>
+#include <linux/skbuff.h>
 
 /* This is the maximum truncated ICV length that we know of. */
 #define MAX_AH_AUTH_LEN	12
 
+struct crypto_ahash;
+
 struct ah_data
 {
-	u8			*work_icv;
 	int			icv_full_len;
 	int			icv_trunc_len;
 
-	struct crypto_hash	*tfm;
 	struct crypto_ahash	*ahash;
 };
 
-static inline int ah_mac_digest(struct ah_data *ahp, struct sk_buff *skb,
-				u8 *auth_data)
-{
-	struct hash_desc desc;
-	int err;
-
-	desc.tfm = ahp->tfm;
-	desc.flags = 0;
-
-	memset(auth_data, 0, ahp->icv_trunc_len);
-	err = crypto_hash_init(&desc);
-	if (unlikely(err))
-		goto out;
-	err = skb_icv_walk(skb, &desc, 0, skb->len, crypto_hash_update);
-	if (unlikely(err))
-		goto out;
-	err = crypto_hash_final(&desc, ahp->work_icv);
-
-out:
-	return err;
-}
-
 struct ip_auth_hdr;
 
 static inline struct ip_auth_hdr *ip_auth_hdr(const struct sk_buff *skb)
-- 
GitLab


From eb2ff967a587a4a784fd2390f38e324a5bec01ec Mon Sep 17 00:00:00 2001
From: Steffen Klassert <steffen.klassert@secunet.com>
Date: Wed, 7 Oct 2009 22:50:40 +0000
Subject: [PATCH 0321/1815] xfrm: remove skb_icv_walk

The last users of skb_icv_walk are converted to ahash now,
so skb_icv_walk is unused and can be removed.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/xfrm.h   |  3 --
 net/xfrm/xfrm_algo.c | 78 --------------------------------------------
 2 files changed, 81 deletions(-)

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 223e90a4482..d9c6dbb9271 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -1500,9 +1500,6 @@ struct scatterlist;
 typedef int (icv_update_fn_t)(struct hash_desc *, struct scatterlist *,
 			      unsigned int);
 
-extern int skb_icv_walk(const struct sk_buff *skb, struct hash_desc *tfm,
-			int offset, int len, icv_update_fn_t icv_update);
-
 static inline int xfrm_addr_cmp(xfrm_address_t *a, xfrm_address_t *b,
 				int family)
 {
diff --git a/net/xfrm/xfrm_algo.c b/net/xfrm/xfrm_algo.c
index faf54c6bf96..b39341072aa 100644
--- a/net/xfrm/xfrm_algo.c
+++ b/net/xfrm/xfrm_algo.c
@@ -689,84 +689,6 @@ int xfrm_count_enc_supported(void)
 }
 EXPORT_SYMBOL_GPL(xfrm_count_enc_supported);
 
-/* Move to common area: it is shared with AH. */
-
-int skb_icv_walk(const struct sk_buff *skb, struct hash_desc *desc,
-		 int offset, int len, icv_update_fn_t icv_update)
-{
-	int start = skb_headlen(skb);
-	int i, copy = start - offset;
-	struct sk_buff *frag_iter;
-	struct scatterlist sg;
-	int err;
-
-	/* Checksum header. */
-	if (copy > 0) {
-		if (copy > len)
-			copy = len;
-
-		sg_init_one(&sg, skb->data + offset, copy);
-
-		err = icv_update(desc, &sg, copy);
-		if (unlikely(err))
-			return err;
-
-		if ((len -= copy) == 0)
-			return 0;
-		offset += copy;
-	}
-
-	for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
-		int end;
-
-		WARN_ON(start > offset + len);
-
-		end = start + skb_shinfo(skb)->frags[i].size;
-		if ((copy = end - offset) > 0) {
-			skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
-
-			if (copy > len)
-				copy = len;
-
-			sg_init_table(&sg, 1);
-			sg_set_page(&sg, frag->page, copy,
-				    frag->page_offset + offset-start);
-
-			err = icv_update(desc, &sg, copy);
-			if (unlikely(err))
-				return err;
-
-			if (!(len -= copy))
-				return 0;
-			offset += copy;
-		}
-		start = end;
-	}
-
-	skb_walk_frags(skb, frag_iter) {
-		int end;
-
-		WARN_ON(start > offset + len);
-
-		end = start + frag_iter->len;
-		if ((copy = end - offset) > 0) {
-			if (copy > len)
-				copy = len;
-			err = skb_icv_walk(frag_iter, desc, offset-start,
-					   copy, icv_update);
-			if (unlikely(err))
-				return err;
-			if ((len -= copy) == 0)
-				return 0;
-			offset += copy;
-		}
-		start = end;
-	}
-	BUG_ON(len);
-	return 0;
-}
-EXPORT_SYMBOL_GPL(skb_icv_walk);
-
 #if defined(CONFIG_INET_ESP) || defined(CONFIG_INET_ESP_MODULE) || defined(CONFIG_INET6_ESP) || defined(CONFIG_INET6_ESP_MODULE)
 
 void *pskb_put(struct sk_buff *skb, struct sk_buff *tail, int len)
-- 
GitLab


From 663ebb4aa2fd0d19e3d1da0fed3fa3fa134a4ef0 Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oliver@neukum.org>
Date: Wed, 19 Aug 2009 13:50:45 -0600
Subject: [PATCH 0322/1815] wimax/i2400m/usb: remove unnecessary power
 management primitive in i2400m

This patch removes an unneeded power management primitive.
Power management is automatically enabled as probe ends.

Signed-off-by: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/usb.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c
index 7eadd11c815..bfa45f57134 100644
--- a/drivers/net/wimax/i2400m/usb.c
+++ b/drivers/net/wimax/i2400m/usb.c
@@ -415,7 +415,6 @@ int i2400mu_probe(struct usb_interface *iface,
 #ifdef CONFIG_PM
 	iface->needs_remote_wakeup = 1;		/* autosuspend (15s delay) */
 	device_init_wakeup(dev, 1);
-	usb_autopm_enable(i2400mu->usb_iface);
 	usb_dev->autosuspend_delay = 15 * HZ;
 	usb_dev->autosuspend_disabled = 0;
 #endif
-- 
GitLab


From 5b45bfe5010ae1ddaac463d1bcdb141a4ff4ff66 Mon Sep 17 00:00:00 2001
From: Cindy H Kao <cindy.h.kao@intel.com>
Date: Thu, 27 Aug 2009 15:25:12 -0700
Subject: [PATCH 0323/1815] wimax/i2400m: fix the bootmode RX deadlock in SDIO
 driver

i2400ms_bus_bm_wait_for_ack() causes a race condition. It happens
because this function clears i2400ms->bm_ack_size before waiting for
an interrupt, which is set by the interrupt service routine i2400ms_rx()
to indicate reception and size of received data; thus, if the interrupt
came right before the clearing/waiting, it is lost.

The fix is clear the bm_ack_size to -EINPROGRESS before we are enabling
the RX interrupt configuration in i2400ms_rx_setup(). Then everytime
when the interrupt service routine i2400ms_rx() is invoked during bootmode,
bm_ack_size is updated with the actual rx_size and it is cleared to
-EINPROGRESS again after the RX data is handled.

Signed-off-by: Cindy H Kao <cindy.h.kao@intel.com>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/sdio-fw.c | 8 ++++----
 drivers/net/wimax/i2400m/sdio-rx.c | 7 +++++++
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wimax/i2400m/sdio-fw.c b/drivers/net/wimax/i2400m/sdio-fw.c
index 7d6ec0f475f..c8dc538d40c 100644
--- a/drivers/net/wimax/i2400m/sdio-fw.c
+++ b/drivers/net/wimax/i2400m/sdio-fw.c
@@ -177,10 +177,6 @@ ssize_t i2400ms_bus_bm_wait_for_ack(struct i2400m *i2400m,
 	d_fnstart(5, dev, "(i2400m %p ack %p size %zu)\n",
 		  i2400m, ack, ack_size);
 
-	spin_lock(&i2400m->rx_lock);
-	i2400ms->bm_ack_size = -EINPROGRESS;
-	spin_unlock(&i2400m->rx_lock);
-
 	result = wait_event_timeout(i2400ms->bm_wfa_wq,
 				    i2400ms->bm_ack_size != -EINPROGRESS,
 				    2 * HZ);
@@ -199,6 +195,10 @@ ssize_t i2400ms_bus_bm_wait_for_ack(struct i2400m *i2400m,
 		size = min(ack_size, i2400ms->bm_ack_size);
 		memcpy(ack, i2400m->bm_ack_buf, size);
 	}
+	/*
+	 * Remember always to clear the bm_ack_size to -EINPROGRESS
+	 * after the RX data is processed
+	 */
 	i2400ms->bm_ack_size = -EINPROGRESS;
 	spin_unlock(&i2400m->rx_lock);
 
diff --git a/drivers/net/wimax/i2400m/sdio-rx.c b/drivers/net/wimax/i2400m/sdio-rx.c
index 321beadf6e4..f6ca51ab216 100644
--- a/drivers/net/wimax/i2400m/sdio-rx.c
+++ b/drivers/net/wimax/i2400m/sdio-rx.c
@@ -234,6 +234,13 @@ int i2400ms_rx_setup(struct i2400ms *i2400ms)
 	init_waitqueue_head(&i2400ms->bm_wfa_wq);
 	spin_lock(&i2400m->rx_lock);
 	i2400ms->bm_wait_result = -EINPROGRESS;
+	/*
+	 * Before we are about to enable the RX interrupt, make sure
+	 * bm_ack_size is cleared to -EINPROGRESS which indicates
+	 * no RX interrupt happened yet or the previous interrupt
+	 * has been handled, we are ready to take the new interrupt
+	 */
+	i2400ms->bm_ack_size = -EINPROGRESS;
 	spin_unlock(&i2400m->rx_lock);
 
 	sdio_claim_host(func);
-- 
GitLab


From c29eaf3faef7547ba72355bac44e9ca6ffdaee39 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Thu, 27 Aug 2009 17:54:53 -0700
Subject: [PATCH 0324/1815] wimax: indicate initial SW rfkill state is
 "blocked"

The WiMAX stack assumes that all WiMAX devices are SW OFF when they
are initialized. The recent changes in the RFKILL stack thus cause an
initial call after rfkill_register(), because by default, rfkill
considers devices to be SW ON upon registration.

So call rfkill_init_sw_state() to set it to SW OFF so
rfkill_register() doesn't do that unnecessary step.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 net/wimax/op-rfkill.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/wimax/op-rfkill.c b/net/wimax/op-rfkill.c
index 70ef4df863b..40e1210cdbd 100644
--- a/net/wimax/op-rfkill.c
+++ b/net/wimax/op-rfkill.c
@@ -355,6 +355,7 @@ int wimax_rfkill_add(struct wimax_dev *wimax_dev)
 
 	wimax_dev->rfkill = rfkill;
 
+	rfkill_init_sw_state(rfkill, 1);
 	result = rfkill_register(wimax_dev->rfkill);
 	if (result < 0)
 		goto error_rfkill_register;
-- 
GitLab


From a6346fa583766a51b7723288fc5d73ee5ea93479 Mon Sep 17 00:00:00 2001
From: Roel Kluin <roel.kluin@gmail.com>
Date: Mon, 13 Jul 2009 01:48:42 +0200
Subject: [PATCH 0325/1815] i2400m: keep index within ms_to_errno[]

Ensure that index `status' remains within ms_to_errno[]

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/control.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wimax/i2400m/control.c b/drivers/net/wimax/i2400m/control.c
index 07308686dbc..8fe70e75d03 100644
--- a/drivers/net/wimax/i2400m/control.c
+++ b/drivers/net/wimax/i2400m/control.c
@@ -263,7 +263,7 @@ int i2400m_msg_check_status(const struct i2400m_l3l4_hdr *l3l4_hdr,
 
 	if (status == 0)
 		return 0;
-	if (status > ARRAY_SIZE(ms_to_errno)) {
+	if (status >= ARRAY_SIZE(ms_to_errno)) {
 		str = "unknown status code";
 		result = -EBADR;
 	} else {
-- 
GitLab


From 2d44f204adf503eb1774f0ab7e404031168851ea Mon Sep 17 00:00:00 2001
From: Roel Kluin <roel.kluin@gmail.com>
Date: Mon, 13 Jul 2009 00:59:53 +0200
Subject: [PATCH 0326/1815] wimax: misplaced parenthesis

Fix misplaced parenthesis

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/tx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wimax/i2400m/tx.c b/drivers/net/wimax/i2400m/tx.c
index fa16ccf8e26..8c2080248ae 100644
--- a/drivers/net/wimax/i2400m/tx.c
+++ b/drivers/net/wimax/i2400m/tx.c
@@ -310,7 +310,7 @@ size_t __i2400m_tx_tail_room(struct i2400m *i2400m)
 	size_t tail_room;
 	size_t tx_in;
 
-	if (unlikely(i2400m->tx_in) == 0)
+	if (unlikely(i2400m->tx_in == 0))
 		return I2400M_TX_BUF_SIZE;
 	tx_in = i2400m->tx_in % I2400M_TX_BUF_SIZE;
 	tail_room = I2400M_TX_BUF_SIZE - tx_in;
-- 
GitLab


From abb307338396bd58f5d9d32c4e56ef40ff668a74 Mon Sep 17 00:00:00 2001
From: Dan Williams <dcbw@redhat.com>
Date: Thu, 17 Sep 2009 13:06:14 -0700
Subject: [PATCH 0327/1815] i2400m: minimal ethtool support

Add minimal ethtool support for carrier detection.

Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/netdev.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/drivers/net/wimax/i2400m/netdev.c b/drivers/net/wimax/i2400m/netdev.c
index 796396cb4c8..960fb546754 100644
--- a/drivers/net/wimax/i2400m/netdev.c
+++ b/drivers/net/wimax/i2400m/netdev.c
@@ -74,6 +74,7 @@
  */
 #include <linux/if_arp.h>
 #include <linux/netdevice.h>
+#include <linux/ethtool.h>
 #include "i2400m.h"
 
 
@@ -559,6 +560,22 @@ static const struct net_device_ops i2400m_netdev_ops = {
 	.ndo_change_mtu = i2400m_change_mtu,
 };
 
+static void i2400m_get_drvinfo(struct net_device *net_dev,
+			       struct ethtool_drvinfo *info)
+{
+	struct i2400m *i2400m = net_dev_to_i2400m(net_dev);
+
+	strncpy(info->driver, KBUILD_MODNAME, sizeof(info->driver) - 1);
+	strncpy(info->fw_version, i2400m->fw_name, sizeof(info->fw_version) - 1);
+	if (net_dev->dev.parent)
+		strncpy(info->bus_info, dev_name(net_dev->dev.parent),
+			sizeof(info->bus_info) - 1);
+}
+
+static const struct ethtool_ops i2400m_ethtool_ops = {
+	.get_drvinfo = i2400m_get_drvinfo,
+	.get_link = ethtool_op_get_link,
+};
 
 /**
  * i2400m_netdev_setup - Setup setup @net_dev's i2400m private data
@@ -580,6 +597,7 @@ void i2400m_netdev_setup(struct net_device *net_dev)
 		   & ~IFF_MULTICAST);
 	net_dev->watchdog_timeo = I2400M_TX_TIMEOUT;
 	net_dev->netdev_ops = &i2400m_netdev_ops;
+	net_dev->ethtool_ops = &i2400m_ethtool_ops;
 	d_fnend(3, NULL, "(net_dev %p) = void\n", net_dev);
 }
 EXPORT_SYMBOL_GPL(i2400m_netdev_setup);
-- 
GitLab


From 81b182a7542c4282191fa0b1e8d9fcb022c03e68 Mon Sep 17 00:00:00 2001
From: Dirk Brandewie <dirk.j.brandewie@intel.com>
Date: Fri, 24 Jul 2009 09:04:33 -0700
Subject: [PATCH 0328/1815] wimax/i2400m: Update comments to talk about SDIO
 reset and not USB.

Fixing comments from original cut and paste error

Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/sdio.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wimax/i2400m/sdio.c b/drivers/net/wimax/i2400m/sdio.c
index 2981e211e04..c67b0264a28 100644
--- a/drivers/net/wimax/i2400m/sdio.c
+++ b/drivers/net/wimax/i2400m/sdio.c
@@ -233,18 +233,17 @@ error_kzalloc:
  * Warm reset:
  *
  * The device will be fully reset internally, but won't be
- * disconnected from the USB bus (so no reenumeration will
+ * disconnected from the bus (so no reenumeration will
  * happen). Firmware upload will be neccessary.
  *
- * The device will send a reboot barker in the notification endpoint
- * that will trigger the driver to reinitialize the state
- * automatically from notif.c:i2400m_notification_grok() into
- * i2400m_dev_bootstrap_delayed().
+ * The device will send a reboot barker that will trigger the driver
+ * to reinitialize the state via __i2400m_dev_reset_handle.
  *
- * Cold and bus (USB) reset:
+ *
+ * Cold and bus reset:
  *
  * The device will be fully reset internally, disconnected from the
- * USB bus an a reenumeration will happen. Firmware upload will be
+ * bus an a reenumeration will happen. Firmware upload will be
  * neccessary. Thus, we don't do any locking or struct
  * reinitialization, as we are going to be fully disconnected and
  * reenumerated.
-- 
GitLab


From a134fd6b103b78378e3beb6af94d8d8c2abdd19d Mon Sep 17 00:00:00 2001
From: Dirk Brandewie <dirk.j.brandewie@intel.com>
Date: Tue, 18 Aug 2009 08:51:52 -0700
Subject: [PATCH 0329/1815] wimax/i2400m: Ensure boot mode cmd and ack buffers
 are alloc'd before first message

The change to the SDIO boot mode RX chain could try to use the cmd and
ack buffers befor they were allocated.  USB does not have the problem
but both were changed for consistency's sake.

Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/driver.c | 54 +++++++++++++++++++++++--------
 drivers/net/wimax/i2400m/i2400m.h |  2 ++
 drivers/net/wimax/i2400m/sdio.c   | 14 ++++++++
 drivers/net/wimax/i2400m/usb.c    |  8 +++++
 4 files changed, 64 insertions(+), 14 deletions(-)

diff --git a/drivers/net/wimax/i2400m/driver.c b/drivers/net/wimax/i2400m/driver.c
index 304f0443ca4..20d574ca918 100644
--- a/drivers/net/wimax/i2400m/driver.c
+++ b/drivers/net/wimax/i2400m/driver.c
@@ -618,6 +618,46 @@ int i2400m_dev_reset_handle(struct i2400m *i2400m)
 EXPORT_SYMBOL_GPL(i2400m_dev_reset_handle);
 
 
+/**
+ * i2400m_bm_buf_alloc - Alloc the command and ack buffers for boot mode
+ *
+ * Get the buffers needed to deal with boot mode messages.  These
+ * buffers need to be allocated before the sdio recieve irq is setup.
+ */
+int i2400m_bm_buf_alloc(struct i2400m *i2400m)
+{
+	int result;
+
+	result = -ENOMEM;
+	i2400m->bm_cmd_buf = kzalloc(I2400M_BM_CMD_BUF_SIZE, GFP_KERNEL);
+	if (i2400m->bm_cmd_buf == NULL)
+		goto error_bm_cmd_kzalloc;
+	i2400m->bm_ack_buf = kzalloc(I2400M_BM_ACK_BUF_SIZE, GFP_KERNEL);
+	if (i2400m->bm_ack_buf == NULL)
+		goto error_bm_ack_buf_kzalloc;
+	return 0;
+
+error_bm_ack_buf_kzalloc:
+	kfree(i2400m->bm_cmd_buf);
+error_bm_cmd_kzalloc:
+	return result;
+}
+EXPORT_SYMBOL_GPL(i2400m_bm_buf_alloc);
+
+/**
+ * i2400m_bm_buf_free - Free boot mode command and ack buffers.
+ *
+ * Free the command and ack buffers
+ *
+ */
+void i2400m_bm_buf_free(struct i2400m *i2400m)
+{
+	kfree(i2400m->bm_ack_buf);
+	kfree(i2400m->bm_cmd_buf);
+	return;
+}
+EXPORT_SYMBOL_GPL(i2400m_bm_buf_free
+);
 /**
  * i2400m_setup - bus-generic setup function for the i2400m device
  *
@@ -645,16 +685,6 @@ int i2400m_setup(struct i2400m *i2400m, enum i2400m_bri bm_flags)
 	snprintf(wimax_dev->name, sizeof(wimax_dev->name),
 		 "i2400m-%s:%s", dev->bus->name, dev_name(dev));
 
-	i2400m->bm_cmd_buf = kzalloc(I2400M_BM_CMD_BUF_SIZE, GFP_KERNEL);
-	if (i2400m->bm_cmd_buf == NULL) {
-		dev_err(dev, "cannot allocate USB command buffer\n");
-		goto error_bm_cmd_kzalloc;
-	}
-	i2400m->bm_ack_buf = kzalloc(I2400M_BM_ACK_BUF_SIZE, GFP_KERNEL);
-	if (i2400m->bm_ack_buf == NULL) {
-		dev_err(dev, "cannot allocate USB ack buffer\n");
-		goto error_bm_ack_buf_kzalloc;
-	}
 	result = i2400m_bootrom_init(i2400m, bm_flags);
 	if (result < 0) {
 		dev_err(dev, "read mac addr: bootrom init "
@@ -713,10 +743,6 @@ error_dev_start:
 error_register_netdev:
 error_read_mac_addr:
 error_bootrom_init:
-	kfree(i2400m->bm_ack_buf);
-error_bm_ack_buf_kzalloc:
-	kfree(i2400m->bm_cmd_buf);
-error_bm_cmd_kzalloc:
 	d_fnend(3, dev, "(i2400m %p) = %d\n", i2400m, result);
 	return result;
 }
diff --git a/drivers/net/wimax/i2400m/i2400m.h b/drivers/net/wimax/i2400m/i2400m.h
index 60330f313f2..a6e59f1c881 100644
--- a/drivers/net/wimax/i2400m/i2400m.h
+++ b/drivers/net/wimax/i2400m/i2400m.h
@@ -725,6 +725,8 @@ void i2400m_put(struct i2400m *i2400m)
 }
 
 extern int i2400m_dev_reset_handle(struct i2400m *);
+extern int i2400m_bm_buf_alloc(struct i2400m *i2400m);
+extern void i2400m_bm_buf_free(struct i2400m *i2400m);
 
 /*
  * _setup()/_release() are called by the probe/disconnect functions of
diff --git a/drivers/net/wimax/i2400m/sdio.c b/drivers/net/wimax/i2400m/sdio.c
index c67b0264a28..a68232aa291 100644
--- a/drivers/net/wimax/i2400m/sdio.c
+++ b/drivers/net/wimax/i2400m/sdio.c
@@ -451,6 +451,18 @@ int i2400ms_probe(struct sdio_func *func,
 		goto error_func_enable;
 	}
 
+	/*
+	 * Before we are enabling the device interrupt register, make
+	 * sure the buffer used during bootmode operation is setup so
+	 * when the first D2H data interrupt comes, the memory is
+	 * available for copying the D2H data.
+	 */
+	result = i2400m_bm_buf_alloc(i2400m);
+	if (result < 0) {
+		dev_err(dev, "cannot allocate SDIO bootmode buffer\n");
+		goto error_bootmode_buf_setup;
+	}
+
 	result = i2400ms_rx_setup(i2400ms);
 	if (result < 0)
 		goto error_rx_setup;
@@ -474,6 +486,8 @@ error_debugfs_add:
 error_setup:
 	i2400ms_rx_release(i2400ms);
 error_rx_setup:
+	i2400m_bm_buf_free(i2400m);
+error_bootmode_buf_setup:
 	sdio_claim_host(func);
 	sdio_disable_func(func);
 	sdio_release_host(func);
diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c
index bfa45f57134..49d7554ad70 100644
--- a/drivers/net/wimax/i2400m/usb.c
+++ b/drivers/net/wimax/i2400m/usb.c
@@ -419,6 +419,12 @@ int i2400mu_probe(struct usb_interface *iface,
 	usb_dev->autosuspend_disabled = 0;
 #endif
 
+	result = i2400m_bm_buf_alloc(i2400m);
+	if (result < 0) {
+		dev_err(dev, "cannot allocate USB bootmode buffer\n");
+		goto error_bm_buf_alloc;
+	}
+
 	result = i2400m_setup(i2400m, I2400M_BRI_MAC_REINIT);
 	if (result < 0) {
 		dev_err(dev, "cannot setup device: %d\n", result);
@@ -434,6 +440,8 @@ int i2400mu_probe(struct usb_interface *iface,
 error_debugfs_add:
 	i2400m_release(i2400m);
 error_setup:
+	i2400m_bm_buf_free(i2400m);
+error_bm_buf_alloc:
 	usb_set_intfdata(iface, NULL);
 	usb_put_dev(i2400mu->usb_dev);
 	free_netdev(net_dev);
-- 
GitLab


From c30836580b35ae5cab3de97a3df16878fe097868 Mon Sep 17 00:00:00 2001
From: Dirk Brandewie <dirk.j.brandewie@intel.com>
Date: Thu, 13 Aug 2009 13:48:29 -0700
Subject: [PATCH 0330/1815] wimax/i2400m: Make boot retries a BUS-specific
 parameter

In i2400m-based devices, the driver's bootloader will retry to load
the firmware when things go wrong. The driver currently has a constant
(I2400M_BOOT_RETRIES) which governs the max number of tries.

However, different SKUs of the same hardware may admit or require
different numbers of retries due to it's particulars, so it is made a
BUS specific parameter and different values are assigned for 5x50
devices versus the 3200 ones.

Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Cindy H Kao <cindy.h.kao@intel.com>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/fw.c          | 2 +-
 drivers/net/wimax/i2400m/i2400m-sdio.h | 1 +
 drivers/net/wimax/i2400m/i2400m-usb.h  | 1 +
 drivers/net/wimax/i2400m/i2400m.h      | 3 ---
 drivers/net/wimax/i2400m/sdio.c        | 2 +-
 drivers/net/wimax/i2400m/usb.c         | 2 +-
 6 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wimax/i2400m/fw.c b/drivers/net/wimax/i2400m/fw.c
index e81750e5445..55bd69e913b 100644
--- a/drivers/net/wimax/i2400m/fw.c
+++ b/drivers/net/wimax/i2400m/fw.c
@@ -602,7 +602,7 @@ int i2400m_bootrom_init(struct i2400m *i2400m, enum i2400m_bri flags)
 	struct device *dev = i2400m_dev(i2400m);
 	struct i2400m_bootrom_header *cmd;
 	struct i2400m_bootrom_header ack;
-	int count = I2400M_BOOT_RETRIES;
+	int count = i2400m->bus_bm_retries;
 	int ack_timeout_cnt = 1;
 
 	BUILD_BUG_ON(sizeof(*cmd) != sizeof(i2400m_NBOOT_BARKER));
diff --git a/drivers/net/wimax/i2400m/i2400m-sdio.h b/drivers/net/wimax/i2400m/i2400m-sdio.h
index 9c4e3189f7b..66884eb59b2 100644
--- a/drivers/net/wimax/i2400m/i2400m-sdio.h
+++ b/drivers/net/wimax/i2400m/i2400m-sdio.h
@@ -67,6 +67,7 @@
 
 /* Host-Device interface for SDIO */
 enum {
+	I2400M_SDIO_BOOT_RETRIES = 3,
 	I2400MS_BLK_SIZE = 256,
 	I2400MS_PL_SIZE_MAX = 0x3E00,
 
diff --git a/drivers/net/wimax/i2400m/i2400m-usb.h b/drivers/net/wimax/i2400m/i2400m-usb.h
index 6f76558b170..79c37534c20 100644
--- a/drivers/net/wimax/i2400m/i2400m-usb.h
+++ b/drivers/net/wimax/i2400m/i2400m-usb.h
@@ -137,6 +137,7 @@ static inline int edc_inc(struct edc *edc, u16 max_err, u16 timeframe)
 
 /* Host-Device interface for USB */
 enum {
+	I2400M_USB_BOOT_RETRIES = 3,
 	I2400MU_MAX_NOTIFICATION_LEN = 256,
 	I2400MU_BLK_SIZE = 16,
 	I2400MU_PL_SIZE_MAX = 0x3EFF,
diff --git a/drivers/net/wimax/i2400m/i2400m.h b/drivers/net/wimax/i2400m/i2400m.h
index a6e59f1c881..73b4e6a1513 100644
--- a/drivers/net/wimax/i2400m/i2400m.h
+++ b/drivers/net/wimax/i2400m/i2400m.h
@@ -148,9 +148,6 @@
 
 /* Misc constants */
 enum {
-	/* Firmware uploading */
-	I2400M_BOOT_RETRIES = 3,
-	I3200_BOOT_RETRIES = 3,
 	/* Size of the Boot Mode Command buffer */
 	I2400M_BM_CMD_BUF_SIZE = 16 * 1024,
 	I2400M_BM_ACK_BUF_SIZE = 256,
diff --git a/drivers/net/wimax/i2400m/sdio.c b/drivers/net/wimax/i2400m/sdio.c
index a68232aa291..1429608164b 100644
--- a/drivers/net/wimax/i2400m/sdio.c
+++ b/drivers/net/wimax/i2400m/sdio.c
@@ -430,7 +430,7 @@ int i2400ms_probe(struct sdio_func *func,
 	i2400m->bus_reset = i2400ms_bus_reset;
 	/* The iwmc3200-wimax sometimes requires the driver to try
 	 * hard when we paint it into a corner. */
-	i2400m->bus_bm_retries = I3200_BOOT_RETRIES;
+	i2400m->bus_bm_retries = I2400M_SDIO_BOOT_RETRIES;
 	i2400m->bus_bm_cmd_send = i2400ms_bus_bm_cmd_send;
 	i2400m->bus_bm_wait_for_ack = i2400ms_bus_bm_wait_for_ack;
 	i2400m->bus_fw_names = i2400ms_bus_fw_names;
diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c
index 49d7554ad70..8f7b16a6bf3 100644
--- a/drivers/net/wimax/i2400m/usb.c
+++ b/drivers/net/wimax/i2400m/usb.c
@@ -406,7 +406,7 @@ int i2400mu_probe(struct usb_interface *iface,
 	i2400m->bus_dev_stop = i2400mu_bus_dev_stop;
 	i2400m->bus_tx_kick = i2400mu_bus_tx_kick;
 	i2400m->bus_reset = i2400mu_bus_reset;
-	i2400m->bus_bm_retries = I2400M_BOOT_RETRIES;
+	i2400m->bus_bm_retries = I2400M_USB_BOOT_RETRIES;
 	i2400m->bus_bm_cmd_send = i2400mu_bus_bm_cmd_send;
 	i2400m->bus_bm_wait_for_ack = i2400mu_bus_bm_wait_for_ack;
 	i2400m->bus_fw_names = i2400mu_bus_fw_names;
-- 
GitLab


From f2696fbdb623993a9b4c05455df7ae3158a01111 Mon Sep 17 00:00:00 2001
From: Cindy H Kao <evans@localhost.localdomain>
Date: Mon, 17 Aug 2009 19:17:58 -0700
Subject: [PATCH 0331/1815] wimax/iwmc3200: overwrite SDIO IOR timeout value to
 avoid platform hang

The default SDIO IOE wait timeout returned from iwmc3200-wimax's CCCR
is not efficient. This inefficiency will actually cause problems on
Moorestown platforms (system hang).

This is a sillicon bug that requires a software patch to by
overwritting func->enable_timeout. The new value I2400MS_IOR_TIMEOUT
is recommended and verified from the system integration results.

Future sillicon releases will have this default value corrected in the
future.

Signed-off-by: Cindy H Kao <cindy.h.kao@intel.com>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/i2400m-sdio.h | 2 ++
 drivers/net/wimax/i2400m/sdio.c        | 8 ++++++++
 2 files changed, 10 insertions(+)

diff --git a/drivers/net/wimax/i2400m/i2400m-sdio.h b/drivers/net/wimax/i2400m/i2400m-sdio.h
index 66884eb59b2..cfaedfa3789 100644
--- a/drivers/net/wimax/i2400m/i2400m-sdio.h
+++ b/drivers/net/wimax/i2400m/i2400m-sdio.h
@@ -81,6 +81,8 @@ enum {
 	I2400MS_INIT_SLEEP_INTERVAL = 10,
 	/* How long to wait for the device to settle after reset */
 	I2400MS_SETTLE_TIME = 40,
+	/* The number of msec to wait for IOR after sending IOE */
+	IWMC3200_IOR_TIMEOUT = 10,
 };
 
 
diff --git a/drivers/net/wimax/i2400m/sdio.c b/drivers/net/wimax/i2400m/sdio.c
index 1429608164b..0d64d16bd26 100644
--- a/drivers/net/wimax/i2400m/sdio.c
+++ b/drivers/net/wimax/i2400m/sdio.c
@@ -115,6 +115,14 @@ int i2400ms_enable_function(struct sdio_func *func)
 	err = -ENODEV;
 	while (err != 0 && time_before64(get_jiffies_64(), timeout)) {
 		sdio_claim_host(func);
+		/*
+		 * There is a sillicon bug on the IWMC3200, where the
+		 * IOE timeout will cause problems on Moorestown
+		 * platforms (system hang). We explicitly overwrite
+		 * func->enable_timeout here to work around the issue.
+		 */
+		if (func->device == SDIO_DEVICE_ID_INTEL_IWMC3200WIMAX)
+			func->enable_timeout = IWMC3200_IOR_TIMEOUT;
 		err = sdio_enable_func(func);
 		if (0 == err) {
 			sdio_release_host(func);
-- 
GitLab


From 5c29e21d4768a7f1ce46f622b379802edeb1daf3 Mon Sep 17 00:00:00 2001
From: Cindy H Kao <evans@localhost.localdomain>
Date: Mon, 17 Aug 2009 19:39:12 -0700
Subject: [PATCH 0332/1815] wimax/iwmc3200: don't disable the SDIO function if
 enable fails

In the iwmc3200, disabling the WiMAX SDIO function when enable fails
would possibly result in a device reset triggered by the iwmc3200's
top controller since it monitors the bus reset activities from each
SDIO function. In any case, the disable makes no sense; if the enable
fails, it should not be disabled.

Thus we remove the unecessary sdio_disable_func() in
i2400ms_enable_function().

Signed-off-by: Cindy H Kao <cindy.h.kao@intel.com>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/sdio.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/net/wimax/i2400m/sdio.c b/drivers/net/wimax/i2400m/sdio.c
index 0d64d16bd26..9d6046f58ca 100644
--- a/drivers/net/wimax/i2400m/sdio.c
+++ b/drivers/net/wimax/i2400m/sdio.c
@@ -130,7 +130,6 @@ int i2400ms_enable_function(struct sdio_func *func)
 			goto function_enabled;
 		}
 		d_printf(2, dev, "SDIO function failed to enable: %d\n", err);
-		sdio_disable_func(func);
 		sdio_release_host(func);
 		msleep(I2400MS_INIT_SLEEP_INTERVAL);
 	}
-- 
GitLab


From 8bec9a5efd5691c5a32d85da1da09643290ebb72 Mon Sep 17 00:00:00 2001
From: Cindy H Kao <evans@localhost.localdomain>
Date: Mon, 17 Aug 2009 19:39:12 -0700
Subject: [PATCH 0333/1815] wimax/iwmc3200: increase wait time before enable
 retry

When trying to enable the iwmc3200 WiMAX SDIO function, we loop
waiting for the top controller to be up and running (at which point we
can succesfully enable the function). Between each try we wait for
I2400MS_INIT_SLEEP_INTERVAL ms.

Integration tests have found the current value of 10ms to be too
short; it was upped to 100ms to give more time to the top controller
to be ready.

Signed-off-by: Cindy H Kao <cindy.h.kao@intel.com>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/i2400m-sdio.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wimax/i2400m/i2400m-sdio.h b/drivers/net/wimax/i2400m/i2400m-sdio.h
index cfaedfa3789..18218a24a8f 100644
--- a/drivers/net/wimax/i2400m/i2400m-sdio.h
+++ b/drivers/net/wimax/i2400m/i2400m-sdio.h
@@ -78,7 +78,7 @@ enum {
 	I2400MS_INTR_GET_SIZE_ADDR = 0x2C,
 	/* The number of ticks to wait for the device to signal that
 	 * it is ready */
-	I2400MS_INIT_SLEEP_INTERVAL = 10,
+	I2400MS_INIT_SLEEP_INTERVAL = 100,
 	/* How long to wait for the device to settle after reset */
 	I2400MS_SETTLE_TIME = 40,
 	/* The number of msec to wait for IOR after sending IOE */
-- 
GitLab


From 2093586de29418820b89aae05746511392f8ad73 Mon Sep 17 00:00:00 2001
From: Dirk Brandewie <dirk.j.brandewie@intel.com>
Date: Wed, 12 Aug 2009 11:29:46 -0700
Subject: [PATCH 0334/1815] wimax/i2400m: USB driver uses a configurable
 endpoint map

Newer generations of the i2400m USB WiMAX device use a different
endpoint map; in order to make it easy to support it, we make the
endpoint-to-function mapeable instead of static.

Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/i2400m-usb.h | 14 ++++++++------
 drivers/net/wimax/i2400m/usb-fw.c     |  5 +++--
 drivers/net/wimax/i2400m/usb-notif.c  |  3 ++-
 drivers/net/wimax/i2400m/usb-rx.c     |  2 +-
 drivers/net/wimax/i2400m/usb-tx.c     |  2 +-
 drivers/net/wimax/i2400m/usb.c        | 20 ++++++++++++++------
 6 files changed, 29 insertions(+), 17 deletions(-)

diff --git a/drivers/net/wimax/i2400m/i2400m-usb.h b/drivers/net/wimax/i2400m/i2400m-usb.h
index 79c37534c20..f73a067e066 100644
--- a/drivers/net/wimax/i2400m/i2400m-usb.h
+++ b/drivers/net/wimax/i2400m/i2400m-usb.h
@@ -88,6 +88,13 @@ struct edc {
 	u16 errorcount;
 };
 
+struct i2400m_endpoint_cfg {
+	unsigned char bulk_out;
+	unsigned char notification;
+	unsigned char reset_cold;
+	unsigned char bulk_in;
+};
+
 static inline void edc_init(struct edc *edc)
 {
 	edc->timestart = jiffies;
@@ -141,12 +148,6 @@ enum {
 	I2400MU_MAX_NOTIFICATION_LEN = 256,
 	I2400MU_BLK_SIZE = 16,
 	I2400MU_PL_SIZE_MAX = 0x3EFF,
-
-	/* Endpoints */
-	I2400MU_EP_BULK_OUT = 0,
-	I2400MU_EP_NOTIFICATION,
-	I2400MU_EP_RESET_COLD,
-	I2400MU_EP_BULK_IN,
 };
 
 
@@ -216,6 +217,7 @@ struct i2400mu {
 	struct usb_device *usb_dev;
 	struct usb_interface *usb_iface;
 	struct edc urb_edc;		/* Error density counter */
+	struct i2400m_endpoint_cfg endpoint_cfg;
 
 	struct urb *notif_urb;
 	struct task_struct *tx_kthread;
diff --git a/drivers/net/wimax/i2400m/usb-fw.c b/drivers/net/wimax/i2400m/usb-fw.c
index 5ad287c228b..a2250e49a44 100644
--- a/drivers/net/wimax/i2400m/usb-fw.c
+++ b/drivers/net/wimax/i2400m/usb-fw.c
@@ -99,7 +99,7 @@ ssize_t i2400mu_tx_bulk_out(struct i2400mu *i2400mu, void *buf, size_t buf_size)
 		dev_err(dev, "BM-CMD: can't get autopm: %d\n", result);
 		do_autopm = 0;
 	}
-	epd = usb_get_epd(i2400mu->usb_iface, I2400MU_EP_BULK_OUT);
+	epd = usb_get_epd(i2400mu->usb_iface, i2400mu->endpoint_cfg.bulk_out);
 	pipe = usb_sndbulkpipe(i2400mu->usb_dev, epd->bEndpointAddress);
 retry:
 	result = usb_bulk_msg(i2400mu->usb_dev, pipe, buf, buf_size, &len, HZ);
@@ -226,7 +226,8 @@ int i2400mu_notif_submit(struct i2400mu *i2400mu, struct urb *urb,
 	struct usb_endpoint_descriptor *epd;
 	int pipe;
 
-	epd = usb_get_epd(i2400mu->usb_iface, I2400MU_EP_NOTIFICATION);
+	epd = usb_get_epd(i2400mu->usb_iface,
+			  i2400mu->endpoint_cfg.notification);
 	pipe = usb_rcvintpipe(i2400mu->usb_dev, epd->bEndpointAddress);
 	usb_fill_int_urb(urb, i2400mu->usb_dev, pipe,
 			 i2400m->bm_ack_buf, I2400M_BM_ACK_BUF_SIZE,
diff --git a/drivers/net/wimax/i2400m/usb-notif.c b/drivers/net/wimax/i2400m/usb-notif.c
index 6add27c3f35..3e11e35cd69 100644
--- a/drivers/net/wimax/i2400m/usb-notif.c
+++ b/drivers/net/wimax/i2400m/usb-notif.c
@@ -220,7 +220,8 @@ int i2400mu_notification_setup(struct i2400mu *i2400mu)
 		dev_err(dev, "notification: cannot allocate URB\n");
 		goto error_alloc_urb;
 	}
-	epd = usb_get_epd(i2400mu->usb_iface, I2400MU_EP_NOTIFICATION);
+	epd = usb_get_epd(i2400mu->usb_iface,
+			  i2400mu->endpoint_cfg.notification);
 	usb_pipe = usb_rcvintpipe(i2400mu->usb_dev, epd->bEndpointAddress);
 	usb_fill_int_urb(i2400mu->notif_urb, i2400mu->usb_dev, usb_pipe,
 			 buf, I2400MU_MAX_NOTIFICATION_LEN,
diff --git a/drivers/net/wimax/i2400m/usb-rx.c b/drivers/net/wimax/i2400m/usb-rx.c
index a314799967c..e494e3774ec 100644
--- a/drivers/net/wimax/i2400m/usb-rx.c
+++ b/drivers/net/wimax/i2400m/usb-rx.c
@@ -204,7 +204,7 @@ struct sk_buff *i2400mu_rx(struct i2400mu *i2400mu, struct sk_buff *rx_skb)
 		dev_err(dev, "RX: can't get autopm: %d\n", result);
 		do_autopm = 0;
 	}
-	epd = usb_get_epd(i2400mu->usb_iface, I2400MU_EP_BULK_IN);
+	epd = usb_get_epd(i2400mu->usb_iface, i2400mu->endpoint_cfg.bulk_in);
 	usb_pipe = usb_rcvbulkpipe(i2400mu->usb_dev, epd->bEndpointAddress);
 retry:
 	rx_size = skb_end_pointer(rx_skb) - rx_skb->data - rx_skb->len;
diff --git a/drivers/net/wimax/i2400m/usb-tx.c b/drivers/net/wimax/i2400m/usb-tx.c
index dfd893356f4..90dfff1afb8 100644
--- a/drivers/net/wimax/i2400m/usb-tx.c
+++ b/drivers/net/wimax/i2400m/usb-tx.c
@@ -101,7 +101,7 @@ int i2400mu_tx(struct i2400mu *i2400mu, struct i2400m_msg_hdr *tx_msg,
 		dev_err(dev, "TX: can't get autopm: %d\n", result);
 		do_autopm = 0;
 	}
-	epd = usb_get_epd(i2400mu->usb_iface, I2400MU_EP_BULK_OUT);
+	epd = usb_get_epd(i2400mu->usb_iface, i2400mu->endpoint_cfg.bulk_out);
 	usb_pipe = usb_sndbulkpipe(i2400mu->usb_dev, epd->bEndpointAddress);
 retry:
 	result = usb_bulk_msg(i2400mu->usb_dev, usb_pipe,
diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c
index 8f7b16a6bf3..a5879e21bbf 100644
--- a/drivers/net/wimax/i2400m/usb.c
+++ b/drivers/net/wimax/i2400m/usb.c
@@ -232,13 +232,15 @@ int i2400mu_bus_reset(struct i2400m *i2400m, enum i2400m_reset_type rt)
 
 	d_fnstart(3, dev, "(i2400m %p rt %u)\n", i2400m, rt);
 	if (rt == I2400M_RT_WARM)
-		result = __i2400mu_send_barker(i2400mu, i2400m_WARM_BOOT_BARKER,
-					       sizeof(i2400m_WARM_BOOT_BARKER),
-					       I2400MU_EP_BULK_OUT);
+		result = __i2400mu_send_barker(
+			i2400mu, i2400m_WARM_BOOT_BARKER,
+			sizeof(i2400m_WARM_BOOT_BARKER),
+			i2400mu->endpoint_cfg.bulk_out);
 	else if (rt == I2400M_RT_COLD)
-		result = __i2400mu_send_barker(i2400mu, i2400m_COLD_BOOT_BARKER,
-					       sizeof(i2400m_COLD_BOOT_BARKER),
-					       I2400MU_EP_RESET_COLD);
+		result = __i2400mu_send_barker(
+			i2400mu, i2400m_COLD_BOOT_BARKER,
+			sizeof(i2400m_COLD_BOOT_BARKER),
+			i2400mu->endpoint_cfg.reset_cold);
 	else if (rt == I2400M_RT_BUS) {
 do_bus_reset:
 		result = usb_reset_device(i2400mu->usb_dev);
@@ -412,6 +414,12 @@ int i2400mu_probe(struct usb_interface *iface,
 	i2400m->bus_fw_names = i2400mu_bus_fw_names;
 	i2400m->bus_bm_mac_addr_impaired = 0;
 
+	{
+		i2400mu->endpoint_cfg.bulk_out = 0;
+		i2400mu->endpoint_cfg.notification = 1;
+		i2400mu->endpoint_cfg.reset_cold = 2;
+		i2400mu->endpoint_cfg.bulk_in = 3;
+	}
 #ifdef CONFIG_PM
 	iface->needs_remote_wakeup = 1;		/* autosuspend (15s delay) */
 	device_init_wakeup(dev, 1);
-- 
GitLab


From 339ccc362cb60b48e478ff494172efadb385c0ab Mon Sep 17 00:00:00 2001
From: Cindy H Kao <cindy.h.kao@intel.com>
Date: Mon, 10 Aug 2009 18:36:15 -0700
Subject: [PATCH 0335/1815] wimax/i2400m/sdio: clear the INTR status bit after
 reading size

In order to avoid issues during high-load traffic, the interrupt
status register has to be cleared ONLY after the RX size is read.

Signed-off-by: Cindy H Kao <cindy.h.kao@intel.com>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/sdio-rx.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wimax/i2400m/sdio-rx.c b/drivers/net/wimax/i2400m/sdio-rx.c
index f6ca51ab216..1c9046914bd 100644
--- a/drivers/net/wimax/i2400m/sdio-rx.c
+++ b/drivers/net/wimax/i2400m/sdio-rx.c
@@ -138,6 +138,11 @@ void i2400ms_rx(struct i2400ms *i2400ms)
 		ret = rx_size;
 		goto error_get_size;
 	}
+	/*
+	 * Hardware quirk: make sure to clear the INTR status register
+	 * AFTER getting the data transfer size.
+	 */
+	sdio_writeb(func, 1, I2400MS_INTR_CLEAR_ADDR, &ret);
 
 	ret = -ENOMEM;
 	skb = alloc_skb(rx_size, GFP_ATOMIC);
@@ -209,7 +214,6 @@ void i2400ms_irq(struct sdio_func *func)
 		dev_err(dev, "RX: BUG? got IRQ but no interrupt ready?\n");
 		goto error_no_irq;
 	}
-	sdio_writeb(func, 1, I2400MS_INTR_CLEAR_ADDR, &ret);
 	i2400ms_rx(i2400ms);
 error_no_irq:
 	d_fnend(6, dev, "(i2400ms %p) = void\n", i2400ms);
-- 
GitLab


From 77e1251a7cc64c1e483a31c41c139fdf8121e75e Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Mon, 31 Aug 2009 17:15:49 -0700
Subject: [PATCH 0336/1815] wimax/i2400m: be smarter about copying command
 buffer to bm_cmd_buf

Because some underlying bus APIs (like USB) don't like data buffers in
the stack or vmalloced areas, the i2400m driver provides a scratch
buffer (i2400m->bm_cmd_buf) for said low-level drivers to copy command
data to before passing it to said API. This is only used during boot
mode.

However, at some the code was copying the buffer even when the command
was already specified in said buffer. This is ok, but it needs to be
more careful. As thus, change so that:

(a) the copy happens only if command buffer is not the scratch buffer

(b) use memmove() in case there is overlapping

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/fw.c      | 1 -
 drivers/net/wimax/i2400m/sdio-fw.c | 3 ++-
 drivers/net/wimax/i2400m/usb-fw.c  | 3 ++-
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wimax/i2400m/fw.c b/drivers/net/wimax/i2400m/fw.c
index 55bd69e913b..0018cdbd015 100644
--- a/drivers/net/wimax/i2400m/fw.c
+++ b/drivers/net/wimax/i2400m/fw.c
@@ -343,7 +343,6 @@ ssize_t i2400m_bm_cmd(struct i2400m *i2400m,
 	BUG_ON(i2400m->boot_mode == 0);
 
 	if (cmd != NULL) {		/* send the command */
-		memcpy(i2400m->bm_cmd_buf, cmd, cmd_size);
 		result = i2400m->bus_bm_cmd_send(i2400m, cmd, cmd_size, flags);
 		if (result < 0)
 			goto error_cmd_send;
diff --git a/drivers/net/wimax/i2400m/sdio-fw.c b/drivers/net/wimax/i2400m/sdio-fw.c
index c8dc538d40c..8e025418f5b 100644
--- a/drivers/net/wimax/i2400m/sdio-fw.c
+++ b/drivers/net/wimax/i2400m/sdio-fw.c
@@ -118,7 +118,8 @@ ssize_t i2400ms_bus_bm_cmd_send(struct i2400m *i2400m,
 	if (cmd_size > I2400M_BM_CMD_BUF_SIZE)
 		goto error_too_big;
 
-	memcpy(i2400m->bm_cmd_buf, _cmd, cmd_size);	/* Prep command */
+	if (_cmd != i2400m->bm_cmd_buf)
+		memmove(i2400m->bm_cmd_buf, _cmd, cmd_size);
 	cmd = i2400m->bm_cmd_buf;
 	if (cmd_size_a > cmd_size)			/* Zero pad space */
 		memset(i2400m->bm_cmd_buf + cmd_size, 0, cmd_size_a - cmd_size);
diff --git a/drivers/net/wimax/i2400m/usb-fw.c b/drivers/net/wimax/i2400m/usb-fw.c
index a2250e49a44..f162c815d50 100644
--- a/drivers/net/wimax/i2400m/usb-fw.c
+++ b/drivers/net/wimax/i2400m/usb-fw.c
@@ -172,7 +172,8 @@ ssize_t i2400mu_bus_bm_cmd_send(struct i2400m *i2400m,
 	result = -E2BIG;
 	if (cmd_size > I2400M_BM_CMD_BUF_SIZE)
 		goto error_too_big;
-	memcpy(i2400m->bm_cmd_buf, _cmd, cmd_size);
+	if (_cmd != i2400m->bm_cmd_buf)
+		memmove(i2400m->bm_cmd_buf, _cmd, cmd_size);
 	cmd = i2400m->bm_cmd_buf;
 	if (cmd_size_a > cmd_size)			/* Zero pad space */
 		memset(i2400m->bm_cmd_buf + cmd_size, 0, cmd_size_a - cmd_size);
-- 
GitLab


From 8d8fe198c6a756ae96617548af4776e7a86c0d3e Mon Sep 17 00:00:00 2001
From: Cindy H Kao <evans@localhost.localdomain>
Date: Tue, 18 Aug 2009 19:27:18 -0700
Subject: [PATCH 0337/1815] wimax/i2400m: don't write to memory allocated by
 request_firmware()

In kernel 2.6.31, the firmware requested to ram could be marked
with read only attribute, and we can't write any thing directly
to the memory when setting up the last JUMP brh cmd.

Changed so that the scratch buffer is used.

Signed-off-by: Cindy H Kao <cindy.h.kao@intel.com>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/fw.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/wimax/i2400m/fw.c b/drivers/net/wimax/i2400m/fw.c
index 0018cdbd015..92d4d605dc2 100644
--- a/drivers/net/wimax/i2400m/fw.c
+++ b/drivers/net/wimax/i2400m/fw.c
@@ -533,6 +533,10 @@ int i2400m_dnload_finalize(struct i2400m *i2400m,
 		struct i2400m_bootrom_header jump_ack;
 		d_printf(1, dev, "unsecure boot, jumping to 0x%08x\n",
 			le32_to_cpu(cmd->target_addr));
+		cmd_buf = i2400m->bm_cmd_buf;
+		memcpy(&cmd_buf->cmd, cmd, sizeof(*cmd));
+		cmd = &cmd_buf->cmd;
+		/* now cmd points to the actual bootrom_header in cmd_buf */
 		i2400m_brh_set_opcode(cmd, I2400M_BRH_JUMP);
 		cmd->data_size = 0;
 		ret = i2400m_bm_cmd(i2400m, cmd, sizeof(*cmd),
-- 
GitLab


From c77ca950abb587bcebad6dcd0b0b41d7c0255ce9 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Mon, 31 Aug 2009 17:57:56 -0700
Subject: [PATCH 0338/1815] wimax/i2400m: during probe, call sdio_disable at
 most once

In the Intel Wireless Multicomm 3200, the initialization is
orchestrated by a component called Top. This component also monitors
how many times a function is reset (via sdio_disable) to detect
possible issues and will reset the whole multifunction device if any
function triggers a maximum reset level.

During WiMAX's probe, the driver needs to wait for Top to come up
before it can enable the WiMAX function. If it cannot, it will return
-ENODEV and the Top driver will rescan the SDIO bus once done
loading.

Currently, the WiMAX SDIO probe routine was trying a few times before
returning -ENODEV, and this was triggering Top's too-many-resets
detector. This is, in any case, unnecessary because the Top driver will
force the bus rescan when the functions can be probed successfully.

Added then a maxtries argument to i2400ms_enable_func() and set it to
1 when calling from probe. We want to reuse this function instead of
flat calling out sdio_enable_func() to take advantage of hardware
quirk workarounds.

Reported-by: Cindy H Kao <cindy.h.kao@intel.com>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/sdio.c | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wimax/i2400m/sdio.c b/drivers/net/wimax/i2400m/sdio.c
index 9d6046f58ca..7c1b843b63e 100644
--- a/drivers/net/wimax/i2400m/sdio.c
+++ b/drivers/net/wimax/i2400m/sdio.c
@@ -95,17 +95,23 @@ static const struct i2400m_poke_table i2400ms_pokes[] = {
  * when we ask it to explicitly doing). Tries until a timeout is
  * reached.
  *
+ * The @maxtries argument indicates how many times (at most) it should
+ * be tried to enable the function. 0 means forever. This acts along
+ * with the timeout (ie: it'll stop trying as soon as the maximum
+ * number of tries is reached _or_ as soon as the timeout is reached).
+ *
  * The reverse of this is...sdio_disable_function()
  *
  * Returns: 0 if the SDIO function was enabled, < 0 errno code on
  *     error (-ENODEV when it was unable to enable the function).
  */
 static
-int i2400ms_enable_function(struct sdio_func *func)
+int i2400ms_enable_function(struct sdio_func *func, unsigned maxtries)
 {
 	u64 timeout;
 	int err;
 	struct device *dev = &func->dev;
+	unsigned tries = 0;
 
 	d_fnstart(3, dev, "(func %p)\n", func);
 	/* Setup timeout (FIXME: This needs to read the CIS table to
@@ -131,6 +137,10 @@ int i2400ms_enable_function(struct sdio_func *func)
 		}
 		d_printf(2, dev, "SDIO function failed to enable: %d\n", err);
 		sdio_release_host(func);
+		if (maxtries > 0 && ++tries >= maxtries) {
+			err = -ETIME;
+			break;
+		}
 		msleep(I2400MS_INIT_SLEEP_INTERVAL);
 	}
 	/* If timed out, device is not there yet -- get -ENODEV so
@@ -305,7 +315,7 @@ do_bus_reset:
 		/* Wait for the device to settle */
 		msleep(40);
 
-		result = i2400ms_enable_function(i2400ms->func);
+		result = i2400ms_enable_function(i2400ms->func, 0);
 		if (result >= 0)
 			i2400ms_rx_setup(i2400ms);
 	} else
@@ -452,7 +462,7 @@ int i2400ms_probe(struct sdio_func *func,
 		goto error_set_blk_size;
 	}
 
-	result = i2400ms_enable_function(i2400ms->func);
+	result = i2400ms_enable_function(i2400ms->func, 1);
 	if (result < 0) {
 		dev_err(dev, "Cannot enable SDIO function: %d\n", result);
 		goto error_func_enable;
-- 
GitLab


From 4dc1bf074e4db5aa281a7b82ceebb24df98922d2 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Wed, 2 Sep 2009 15:31:48 -0700
Subject: [PATCH 0339/1815] wimax/i2400m: add missing debug submodule
 definition

The i2400m driver was missing the definition for the sysfs debug
level, which is declared in debug-levels.h.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/driver.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wimax/i2400m/driver.c b/drivers/net/wimax/i2400m/driver.c
index 20d574ca918..7ba00de5dd9 100644
--- a/drivers/net/wimax/i2400m/driver.c
+++ b/drivers/net/wimax/i2400m/driver.c
@@ -785,6 +785,7 @@ struct d_level D_LEVEL[] = {
 	D_SUBMODULE_DEFINE(netdev),
 	D_SUBMODULE_DEFINE(rfkill),
 	D_SUBMODULE_DEFINE(rx),
+	D_SUBMODULE_DEFINE(sysfs),
 	D_SUBMODULE_DEFINE(tx),
 };
 size_t D_LEVEL_SIZE = ARRAY_SIZE(D_LEVEL);
-- 
GitLab


From 4c2b1a11646bf74e2926ce8b13a21884adc1e05c Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Wed, 2 Sep 2009 15:36:05 -0700
Subject: [PATCH 0340/1815] wimax: allow specifying debug levels as command
 line option

Add "debug" module options to all the wimax modules (including
drivers) so that the debug levels can be set upon kernel boot or
module load time.

This is needed as currently there was a limitation where the debug
levels could only be set when a device was succesfully
enumerated. This made it difficult to debug issues that made a device
not probe properly.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/driver.c | 10 +++++
 drivers/net/wimax/i2400m/sdio.c   | 10 +++++
 drivers/net/wimax/i2400m/usb.c    |  9 ++++
 include/linux/wimax/debug.h       | 72 +++++++++++++++++++++++++++++++
 net/wimax/stack.c                 | 11 +++++
 5 files changed, 112 insertions(+)

diff --git a/drivers/net/wimax/i2400m/driver.c b/drivers/net/wimax/i2400m/driver.c
index 7ba00de5dd9..e3b2c246cad 100644
--- a/drivers/net/wimax/i2400m/driver.c
+++ b/drivers/net/wimax/i2400m/driver.c
@@ -90,6 +90,14 @@ MODULE_PARM_DESC(power_save_disabled,
 		 "False by default (so the device is told to do power "
 		 "saving).");
 
+static char i2400m_debug_params[128];
+module_param_string(debug, i2400m_debug_params, sizeof(i2400m_debug_params),
+		    0644);
+MODULE_PARM_DESC(debug,
+		 "String of space-separated NAME:VALUE pairs, where NAMEs "
+		 "are the different debug submodules and VALUE are the "
+		 "initial debug value to set.");
+
 /**
  * i2400m_queue_work - schedule work on a i2400m's queue
  *
@@ -794,6 +802,8 @@ size_t D_LEVEL_SIZE = ARRAY_SIZE(D_LEVEL);
 static
 int __init i2400m_driver_init(void)
 {
+	d_parse_params(D_LEVEL, D_LEVEL_SIZE, i2400m_debug_params,
+		       "i2400m.debug");
 	return 0;
 }
 module_init(i2400m_driver_init);
diff --git a/drivers/net/wimax/i2400m/sdio.c b/drivers/net/wimax/i2400m/sdio.c
index 7c1b843b63e..2d2cc5ac6d8 100644
--- a/drivers/net/wimax/i2400m/sdio.c
+++ b/drivers/net/wimax/i2400m/sdio.c
@@ -71,6 +71,14 @@
 static int ioe_timeout = 2;
 module_param(ioe_timeout, int, 0);
 
+static char i2400ms_debug_params[128];
+module_param_string(debug, i2400ms_debug_params, sizeof(i2400ms_debug_params),
+		    0644);
+MODULE_PARM_DESC(debug,
+		 "String of space-separated NAME:VALUE pairs, where NAMEs "
+		 "are the different debug submodules and VALUE are the "
+		 "initial debug value to set.");
+
 /* Our firmware file name list */
 static const char *i2400ms_bus_fw_names[] = {
 #define I2400MS_FW_FILE_NAME "i2400m-fw-sdio-1.3.sbcf"
@@ -559,6 +567,8 @@ struct sdio_driver i2400m_sdio_driver = {
 static
 int __init i2400ms_driver_init(void)
 {
+	d_parse_params(D_LEVEL, D_LEVEL_SIZE, i2400ms_debug_params,
+		       "i2400m_sdio.debug");
 	return sdio_register_driver(&i2400m_sdio_driver);
 }
 module_init(i2400ms_driver_init);
diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c
index a5879e21bbf..063422290a4 100644
--- a/drivers/net/wimax/i2400m/usb.c
+++ b/drivers/net/wimax/i2400m/usb.c
@@ -71,6 +71,13 @@
 #define D_SUBMODULE usb
 #include "usb-debug-levels.h"
 
+static char i2400mu_debug_params[128];
+module_param_string(debug, i2400mu_debug_params, sizeof(i2400mu_debug_params),
+		    0644);
+MODULE_PARM_DESC(debug,
+		 "String of space-separated NAME:VALUE pairs, where NAMEs "
+		 "are the different debug submodules and VALUE are the "
+		 "initial debug value to set.");
 
 /* Our firmware file name */
 static const char *i2400mu_bus_fw_names[] = {
@@ -633,6 +640,8 @@ struct usb_driver i2400mu_driver = {
 static
 int __init i2400mu_driver_init(void)
 {
+	d_parse_params(D_LEVEL, D_LEVEL_SIZE, i2400mu_debug_params,
+		       "i2400m_usb.debug");
 	return usb_register(&i2400mu_driver);
 }
 module_init(i2400mu_driver_init);
diff --git a/include/linux/wimax/debug.h b/include/linux/wimax/debug.h
index c703e034042..db8096e8853 100644
--- a/include/linux/wimax/debug.h
+++ b/include/linux/wimax/debug.h
@@ -450,4 +450,76 @@ do {							\
 })
 
 
+static inline
+void d_submodule_set(struct d_level *d_level, size_t d_level_size,
+		     const char *submodule, u8 level, const char *tag)
+{
+	struct d_level *itr, *top;
+	int index = -1;
+
+	for (itr = d_level, top = itr + d_level_size; itr < top; itr++) {
+		index++;
+		if (itr->name == NULL) {
+			printk(KERN_ERR "%s: itr->name NULL?? (%p, #%d)\n",
+			       tag, itr, index);
+			continue;
+		}
+		if (!strcmp(itr->name, submodule)) {
+			itr->level = level;
+			return;
+		}
+	}
+	printk(KERN_ERR "%s: unknown submodule %s\n", tag, submodule);
+}
+
+
+/**
+ * d_parse_params - Parse a string with debug parameters from the
+ * command line
+ *
+ * @d_level: level structure (D_LEVEL)
+ * @d_level_size: number of items in the level structure
+ *     (D_LEVEL_SIZE).
+ * @_params: string with the parameters; this is a space (not tab!)
+ *     separated list of NAME:VALUE, where value is the debug level
+ *     and NAME is the name of the submodule.
+ * @tag: string for error messages (example: MODULE.ARGNAME).
+ */
+static inline
+void d_parse_params(struct d_level *d_level, size_t d_level_size,
+		    const char *_params, const char *tag)
+{
+	char submodule[130], *params, *params_orig, *token, *colon;
+	unsigned level, tokens;
+
+	if (_params == NULL)
+		return;
+	params_orig = kstrdup(_params, GFP_KERNEL);
+	params = params_orig;
+	while (1) {
+		token = strsep(&params, " ");
+		if (token == NULL)
+			break;
+		if (*token == '\0')	/* eat joint spaces */
+			continue;
+		/* kernel's sscanf %s eats until whitespace, so we
+		 * replace : by \n so it doesn't get eaten later by
+		 * strsep */
+		colon = strchr(token, ':');
+		if (colon != NULL)
+			*colon = '\n';
+		tokens = sscanf(token, "%s\n%u", submodule, &level);
+		if (colon != NULL)
+			*colon = ':';	/* set back, for error messages */
+		if (tokens == 2)
+			d_submodule_set(d_level, d_level_size,
+					submodule, level, tag);
+		else
+			printk(KERN_ERR "%s: can't parse '%s' as a "
+			       "SUBMODULE:LEVEL (%d tokens)\n",
+			       tag, token, tokens);
+	}
+	kfree(params_orig);
+}
+
 #endif /* #ifndef __debug__h__ */
diff --git a/net/wimax/stack.c b/net/wimax/stack.c
index 79fb7d7c640..c8866412f83 100644
--- a/net/wimax/stack.c
+++ b/net/wimax/stack.c
@@ -60,6 +60,14 @@
 #define D_SUBMODULE stack
 #include "debug-levels.h"
 
+static char wimax_debug_params[128];
+module_param_string(debug, wimax_debug_params, sizeof(wimax_debug_params),
+		    0644);
+MODULE_PARM_DESC(debug,
+		 "String of space-separated NAME:VALUE pairs, where NAMEs "
+		 "are the different debug submodules and VALUE are the "
+		 "initial debug value to set.");
+
 /*
  * Authoritative source for the RE_STATE_CHANGE attribute policy
  *
@@ -562,6 +570,9 @@ int __init wimax_subsys_init(void)
 	int result, cnt;
 
 	d_fnstart(4, NULL, "()\n");
+	d_parse_params(D_LEVEL, D_LEVEL_SIZE, wimax_debug_params,
+		       "wimax.debug");
+
 	snprintf(wimax_gnl_family.name, sizeof(wimax_gnl_family.name),
 		 "WiMAX");
 	result = genl_register_family(&wimax_gnl_family);
-- 
GitLab


From 59bdc4be0b819173a8f840fc11ccb82d6f2ca64b Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Wed, 2 Sep 2009 15:41:23 -0700
Subject: [PATCH 0341/1815] wimax/i2400m: workaround not-so-working %zd printf
 format

The kernel's %zd modifier does not really work. Use %ld (has to cast
ssize_t to long).

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/usb-fw.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wimax/i2400m/usb-fw.c b/drivers/net/wimax/i2400m/usb-fw.c
index f162c815d50..b59aee0ee64 100644
--- a/drivers/net/wimax/i2400m/usb-fw.c
+++ b/drivers/net/wimax/i2400m/usb-fw.c
@@ -330,8 +330,8 @@ error_dev_gone:
 out:
 	if (do_autopm)
 		usb_autopm_put_interface(i2400mu->usb_iface);
-	d_fnend(8, dev, "(i2400m %p ack %p size %zu) = %zd\n",
-		i2400m, ack, ack_size, result);
+	d_fnend(8, dev, "(i2400m %p ack %p size %zu) = %ld\n",
+		i2400m, ack, ack_size, (long) result);
 	return result;
 
 error_exceeded:
-- 
GitLab


From 32742e6158657f19ad31653705bef56d983508e7 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Thu, 3 Sep 2009 15:56:40 -0700
Subject: [PATCH 0342/1815] wimax/i2400m: decide properly if using signed vs
 non-signed firmware loading

The i2400m based devices can boot two main types of firmware images:
signed and non-signed. Signed images have signature data included that
must match that of a certificate stored in the device.

Currently the code is making the decission on what type of firmware
load (signed vs non-signed) is going to be loaded based on a hardcoded
decission in __i2400m_ack_verify(), based on the barker the device
sent upon boot.

This is not flexible enough as future hardware will emit more barkers;
thus the bit has to be set in a place where there is better knowledge
of what is going on. This will be done in follow-up commits -- however
this patch paves the way for it.

So the querying of the mode is packed into i2400m_boot_is_signed();
the main changes are just using i2400m_boot_is_signed() to determine
the method to follow and setting i2400m->sboot in
i2400m_is_boot_barker(). The modifications in i2400m_dnload_init() and
i2400m_dnload_finalize() are just reorganizing the order of the if
blocks and thus look larger than they really are.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/fw.c | 35 +++++++++++++++++++++--------------
 include/linux/wimax/i2400m.h  | 10 ----------
 2 files changed, 21 insertions(+), 24 deletions(-)

diff --git a/drivers/net/wimax/i2400m/fw.c b/drivers/net/wimax/i2400m/fw.c
index 92d4d605dc2..c962a8d8df7 100644
--- a/drivers/net/wimax/i2400m/fw.c
+++ b/drivers/net/wimax/i2400m/fw.c
@@ -508,6 +508,17 @@ error_send:
 }
 
 
+/*
+ * Indicate if the device emitted a reboot barker that indicates
+ * "signed boot"
+ */
+static
+unsigned i2400m_boot_is_signed(struct i2400m *i2400m)
+{
+	return likely(i2400m->sboot);
+}
+
+
 /*
  * Do the final steps of uploading firmware
  *
@@ -529,7 +540,7 @@ int i2400m_dnload_finalize(struct i2400m *i2400m,
 
 	d_fnstart(3, dev, "offset %zu\n", offset);
 	cmd = (void *) bcf + offset;
-	if (i2400m->sboot == 0) {
+	if (i2400m_boot_is_signed(i2400m) == 0) {
 		struct i2400m_bootrom_header jump_ack;
 		d_printf(1, dev, "unsecure boot, jumping to 0x%08x\n",
 			le32_to_cpu(cmd->target_addr));
@@ -846,28 +857,24 @@ int i2400m_dnload_init(struct i2400m *i2400m, const struct i2400m_bcf_hdr *bcf)
 {
 	int result;
 	struct device *dev = i2400m_dev(i2400m);
-	u32 module_id = le32_to_cpu(bcf->module_id);
 
-	if (i2400m->sboot == 0
-	    && (module_id & I2400M_BCF_MOD_ID_POKES) == 0) {
-		/* non-signed boot process without pokes */
-		result = i2400m_dnload_init_nonsigned(i2400m);
+	if (i2400m_boot_is_signed(i2400m)) {
+		d_printf(1, dev, "signed boot\n");
+		result = i2400m_dnload_init_signed(i2400m, bcf);
 		if (result == -ERESTARTSYS)
 			return result;
 		if (result < 0)
-			dev_err(dev, "fw %s: non-signed download "
+			dev_err(dev, "firmware %s: signed boot download "
 				"initialization failed: %d\n",
 				i2400m->fw_name, result);
-	} else if (i2400m->sboot == 0
-		 && (module_id & I2400M_BCF_MOD_ID_POKES)) {
-		/* non-signed boot process with pokes, nothing to do */
-		result = 0;
-	} else {		 /* signed boot process */
-		result = i2400m_dnload_init_signed(i2400m, bcf);
+	} else {
+		/* non-signed boot process without pokes */
+		d_printf(1, dev, "non-signed boot\n");
+		result = i2400m_dnload_init_nonsigned(i2400m);
 		if (result == -ERESTARTSYS)
 			return result;
 		if (result < 0)
-			dev_err(dev, "fw %s: signed boot download "
+			dev_err(dev, "firmware %s: non-signed download "
 				"initialization failed: %d\n",
 				i2400m->fw_name, result);
 	}
diff --git a/include/linux/wimax/i2400m.h b/include/linux/wimax/i2400m.h
index 433693ef2bb..d6e2a359568 100644
--- a/include/linux/wimax/i2400m.h
+++ b/include/linux/wimax/i2400m.h
@@ -168,16 +168,6 @@ enum i2400m_brh {
 };
 
 
-/* Constants for bcf->module_id */
-enum i2400m_bcf_mod_id {
-	/* Firmware file carries its own pokes -- pokes are a set of
-	 * magical values that have to be written in certain memory
-	 * addresses to get the device up and ready for firmware
-	 * download when it is in non-signed boot mode. */
-	I2400M_BCF_MOD_ID_POKES = 0x000000001,
-};
-
-
 /**
  * i2400m_bootrom_header - Header for a boot-mode command
  *
-- 
GitLab


From aba3792ac2d7c808a2d2fd2adf89531e083bdb90 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Thu, 3 Sep 2009 15:14:29 -0700
Subject: [PATCH 0343/1815] wimax/i2400m: rework bootrom initialization to be
 more flexible

This modifies the bootrom initialization code of the i2400m driver so
it can more easily support upcoming hardware.

Currently, the code detects two types of barkers (magic numbers) sent
by the device to indicate the types of firmware it would take (signed
vs non-signed).

This schema is extended so that multiple reboot barkers are
recognized; upcoming hw will expose more types barkers which will have
to match a header in the firmware image before we can load it.

For that, a barker database is introduced; the first time the device
sends a barker, it is matched in the database. That gives the driver
the information needed to decide how to upload the firmware and which
types of firmware to use. The database can be populated from module
parameters.

The execution flow is not altered; a new function
(i2400m_is_boot_barker) is introduced to determine in the RX path if
the device has sent a boot barker. This function is becoming heavier,
so it is put away from the hot reception path [this is why there is
some reorganization in sdio-rx.c:i2400ms_rx and
usb-notifc.c:i2400mu_notification_grok()].

The documentation on the process has also been updated.

All these modifications are heavily based on previous work by Dirk
Brandewie <dirk.brandewie@intel.com>.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/driver.c    |  12 +-
 drivers/net/wimax/i2400m/fw.c        | 313 +++++++++++++++++++++++----
 drivers/net/wimax/i2400m/i2400m.h    |  36 +--
 drivers/net/wimax/i2400m/rx.c        |  22 ++
 drivers/net/wimax/i2400m/sdio-rx.c   |  25 ++-
 drivers/net/wimax/i2400m/usb-notif.c |  32 +--
 6 files changed, 355 insertions(+), 85 deletions(-)

diff --git a/drivers/net/wimax/i2400m/driver.c b/drivers/net/wimax/i2400m/driver.c
index e3b2c246cad..73f45ea010a 100644
--- a/drivers/net/wimax/i2400m/driver.c
+++ b/drivers/net/wimax/i2400m/driver.c
@@ -98,6 +98,15 @@ MODULE_PARM_DESC(debug,
 		 "are the different debug submodules and VALUE are the "
 		 "initial debug value to set.");
 
+static char i2400m_barkers_params[128];
+module_param_string(barkers, i2400m_barkers_params,
+		    sizeof(i2400m_barkers_params), 0644);
+MODULE_PARM_DESC(barkers,
+		 "String of comma-separated 32-bit values; each is "
+		 "recognized as the value the device sends as a reboot "
+		 "signal; values are appended to a list--setting one value "
+		 "as zero cleans the existing list and starts a new one.");
+
 /**
  * i2400m_queue_work - schedule work on a i2400m's queue
  *
@@ -804,7 +813,7 @@ int __init i2400m_driver_init(void)
 {
 	d_parse_params(D_LEVEL, D_LEVEL_SIZE, i2400m_debug_params,
 		       "i2400m.debug");
-	return 0;
+	return i2400m_barker_db_init(i2400m_barkers_params);
 }
 module_init(i2400m_driver_init);
 
@@ -813,6 +822,7 @@ void __exit i2400m_driver_exit(void)
 {
 	/* for scheds i2400m_dev_reset_handle() */
 	flush_scheduled_work();
+	i2400m_barker_db_exit();
 	return;
 }
 module_exit(i2400m_driver_exit);
diff --git a/drivers/net/wimax/i2400m/fw.c b/drivers/net/wimax/i2400m/fw.c
index c962a8d8df7..798564eb0e9 100644
--- a/drivers/net/wimax/i2400m/fw.c
+++ b/drivers/net/wimax/i2400m/fw.c
@@ -40,11 +40,9 @@
  *
  * THE PROCEDURE
  *
- * (this is decribed for USB, but for SDIO is similar)
- *
- * The 2400m works in two modes: boot-mode or normal mode. In boot
- * mode we can execute only a handful of commands targeted at
- * uploading the firmware and launching it.
+ * The 2400m and derived devices work in two modes: boot-mode or
+ * normal mode. In boot mode we can execute only a handful of commands
+ * targeted at uploading the firmware and launching it.
  *
  * The 2400m enters boot mode when it is first connected to the
  * system, when it crashes and when you ask it to reboot. There are
@@ -52,18 +50,26 @@
  * firmwares signed with a certain private key, non-signed takes any
  * firmware. Normal hardware takes only signed firmware.
  *
- * Upon entrance to boot mode, the device sends a few zero length
- * packets (ZLPs) on the notification endpoint, then a reboot barker
- * (4 le32 words with value I2400M_{S,N}BOOT_BARKER). We ack it by
- * sending the same barker on the bulk out endpoint. The device acks
- * with a reboot ack barker (4 le32 words with value 0xfeedbabe) and
- * then the device is fully rebooted. At this point we can upload the
- * firmware.
+ * On boot mode, in USB, we write to the device using the bulk out
+ * endpoint and read from it in the notification endpoint. In SDIO we
+ * talk to it via the write address and read from the read address.
+ *
+ * Upon entrance to boot mode, the device sends (preceeded with a few
+ * zero length packets (ZLPs) on the notification endpoint in USB) a
+ * reboot barker (4 le32 words with the same value). We ack it by
+ * sending the same barker to the device. The device acks with a
+ * reboot ack barker (4 le32 words with value I2400M_ACK_BARKER) and
+ * then is fully booted. At this point we can upload the firmware.
+ *
+ * Note that different iterations of the device and EEPROM
+ * configurations will send different [re]boot barkers; these are
+ * collected in i2400m_barker_db along with the firmware
+ * characteristics they require.
  *
  * This process is accomplished by the i2400m_bootrom_init()
  * function. All the device interaction happens through the
  * i2400m_bm_cmd() [boot mode command]. Special return values will
- * indicate if the device resets.
+ * indicate if the device did reset during the process.
  *
  * After this, we read the MAC address and then (if needed)
  * reinitialize the device. We need to read it ahead of time because
@@ -101,6 +107,11 @@
  *
  * ROADMAP
  *
+ * i2400m_barker_db_init              Called by i2400m_driver_init()
+ *   i2400m_barker_db_add
+ *
+ * i2400m_barker_db_exit              Called by i2400m_driver_exit()
+ *
  * i2400m_dev_bootstrap               Called by __i2400m_dev_start()
  *   request_firmware
  *   i2400m_fw_check
@@ -125,6 +136,7 @@
  *   i2400m->bus_bm_cmd_send()
  *   i2400m->bus_bm_wait_for_ack
  *   __i2400m_bm_ack_verify
+ *     i2400m_is_boot_barker
  *
  * i2400m_bm_cmd_prepare              Used by bus-drivers to prep
  *                                    commands before sending
@@ -174,6 +186,237 @@ void i2400m_bm_cmd_prepare(struct i2400m_bootrom_header *cmd)
 EXPORT_SYMBOL_GPL(i2400m_bm_cmd_prepare);
 
 
+/*
+ * Database of known barkers.
+ *
+ * A barker is what the device sends indicating he is ready to be
+ * bootloaded. Different versions of the device will send different
+ * barkers. Depending on the barker, it might mean the device wants
+ * some kind of firmware or the other.
+ */
+static struct i2400m_barker_db {
+	__le32 data[4];
+} *i2400m_barker_db;
+static size_t i2400m_barker_db_used, i2400m_barker_db_size;
+
+
+static
+int i2400m_zrealloc_2x(void **ptr, size_t *_count, size_t el_size,
+		       gfp_t gfp_flags)
+{
+	size_t old_count = *_count,
+		new_count = old_count ? 2 * old_count : 2,
+		old_size = el_size * old_count,
+		new_size = el_size * new_count;
+	void *nptr = krealloc(*ptr, new_size, gfp_flags);
+	if (nptr) {
+		/* zero the other half or the whole thing if old_count
+		 * was zero */
+		if (old_size == 0)
+			memset(nptr, 0, new_size);
+		else
+			memset(nptr + old_size, 0, old_size);
+		*_count = new_count;
+		*ptr = nptr;
+		return 0;
+	} else
+		return -ENOMEM;
+}
+
+
+/*
+ * Add a barker to the database
+ *
+ * This cannot used outside of this module and only at at module_init
+ * time. This is to avoid the need to do locking.
+ */
+static
+int i2400m_barker_db_add(u32 barker_id)
+{
+	int result;
+
+	struct i2400m_barker_db *barker;
+	if (i2400m_barker_db_used >= i2400m_barker_db_size) {
+		result = i2400m_zrealloc_2x(
+			(void **) &i2400m_barker_db, &i2400m_barker_db_size,
+			sizeof(i2400m_barker_db[0]), GFP_KERNEL);
+		if (result < 0)
+			return result;
+	}
+	barker = i2400m_barker_db + i2400m_barker_db_used++;
+	barker->data[0] = le32_to_cpu(barker_id);
+	barker->data[1] = le32_to_cpu(barker_id);
+	barker->data[2] = le32_to_cpu(barker_id);
+	barker->data[3] = le32_to_cpu(barker_id);
+	return 0;
+}
+
+
+void i2400m_barker_db_exit(void)
+{
+	kfree(i2400m_barker_db);
+	i2400m_barker_db = NULL;
+	i2400m_barker_db_size = 0;
+	i2400m_barker_db_used = 0;
+}
+
+
+/*
+ * Helper function to add all the known stable barkers to the barker
+ * database.
+ */
+static
+int i2400m_barker_db_known_barkers(void)
+{
+	int result;
+
+	result = i2400m_barker_db_add(I2400M_NBOOT_BARKER);
+	if (result < 0)
+		goto error_add;
+	result = i2400m_barker_db_add(I2400M_SBOOT_BARKER);
+	if (result < 0)
+		goto error_add;
+error_add:
+       return result;
+}
+
+
+/*
+ * Initialize the barker database
+ *
+ * This can only be used from the module_init function for this
+ * module; this is to avoid the need to do locking.
+ *
+ * @options: command line argument with extra barkers to
+ *     recognize. This is a comma-separated list of 32-bit hex
+ *     numbers. They are appended to the existing list. Setting 0
+ *     cleans the existing list and starts a new one.
+ */
+int i2400m_barker_db_init(const char *_options)
+{
+	int result;
+	char *options = NULL, *options_orig, *token;
+
+	i2400m_barker_db = NULL;
+	i2400m_barker_db_size = 0;
+	i2400m_barker_db_used = 0;
+
+	result = i2400m_barker_db_known_barkers();
+	if (result < 0)
+		goto error_add;
+	/* parse command line options from i2400m.barkers */
+	if (_options != NULL) {
+		unsigned barker;
+
+		options_orig = kstrdup(_options, GFP_KERNEL);
+		if (options_orig == NULL)
+			goto error_parse;
+		options = options_orig;
+
+		while ((token = strsep(&options, ",")) != NULL) {
+			if (*token == '\0')	/* eat joint commas */
+				continue;
+			if (sscanf(token, "%x", &barker) != 1
+			    || barker > 0xffffffff) {
+				printk(KERN_ERR "%s: can't recognize "
+				       "i2400m.barkers value '%s' as "
+				       "a 32-bit number\n",
+				       __func__, token);
+				result = -EINVAL;
+				goto error_parse;
+			}
+			if (barker == 0) {
+				/* clean list and start new */
+				i2400m_barker_db_exit();
+				continue;
+			}
+			result = i2400m_barker_db_add(barker);
+			if (result < 0)
+				goto error_add;
+		}
+		kfree(options_orig);
+	}
+	return 0;
+
+error_parse:
+error_add:
+	kfree(i2400m_barker_db);
+	return result;
+}
+
+
+/*
+ * Recognize a boot barker
+ *
+ * @buf: buffer where the boot barker.
+ * @buf_size: size of the buffer (has to be 16 bytes). It is passed
+ *     here so the function can check it for the caller.
+ *
+ * Note that as a side effect, upon identifying the obtained boot
+ * barker, this function will set i2400m->barker to point to the right
+ * barker database entry. Subsequent calls to the function will result
+ * in verifying that the same type of boot barker is returned when the
+ * device [re]boots (as long as the same device instance is used).
+ *
+ * Return: 0 if @buf matches a known boot barker. -ENOENT if the
+ *     buffer in @buf doesn't match any boot barker in the database or
+ *     -EILSEQ if the buffer doesn't have the right size.
+ */
+int i2400m_is_boot_barker(struct i2400m *i2400m,
+			  const void *buf, size_t buf_size)
+{
+	int result;
+	struct device *dev = i2400m_dev(i2400m);
+	struct i2400m_barker_db *barker;
+	int i;
+
+	result = -ENOENT;
+	if (buf_size != sizeof(i2400m_barker_db[i].data))
+		return result;
+
+	/* Short circuit if we have already discovered the barker
+	 * associated with the device. */
+	if (i2400m->barker
+	    && !memcmp(buf, i2400m->barker, sizeof(i2400m->barker->data))) {
+		unsigned index = (i2400m->barker - i2400m_barker_db)
+			/ sizeof(*i2400m->barker);
+		d_printf(2, dev, "boot barker cache-confirmed #%u/%08x\n",
+			 index, le32_to_cpu(i2400m->barker->data[0]));
+		return 0;
+	}
+
+	for (i = 0; i < i2400m_barker_db_used; i++) {
+		barker = &i2400m_barker_db[i];
+		BUILD_BUG_ON(sizeof(barker->data) != 16);
+		if (memcmp(buf, barker->data, sizeof(barker->data)))
+			continue;
+
+		if (i2400m->barker == NULL) {
+			i2400m->barker = barker;
+			d_printf(1, dev, "boot barker set to #%u/%08x\n",
+				 i, le32_to_cpu(barker->data[0]));
+			if (barker->data[0] == le32_to_cpu(I2400M_NBOOT_BARKER))
+				i2400m->sboot = 0;
+			else
+				i2400m->sboot = 1;
+		} else if (i2400m->barker != barker) {
+			dev_err(dev, "HW inconsistency: device "
+				"reports a different boot barker "
+				"than set (from %08x to %08x)\n",
+				le32_to_cpu(i2400m->barker->data[0]),
+				le32_to_cpu(barker->data[0]));
+			result = -EIO;
+		} else
+			d_printf(2, dev, "boot barker confirmed #%u/%08x\n",
+				 i, le32_to_cpu(barker->data[0]));
+		result = 0;
+		break;
+	}
+	return result;
+}
+EXPORT_SYMBOL_GPL(i2400m_is_boot_barker);
+
+
 /*
  * Verify the ack data received
  *
@@ -204,20 +447,10 @@ ssize_t __i2400m_bm_ack_verify(struct i2400m *i2400m, int opcode,
 			opcode, ack_size, sizeof(*ack));
 		goto error_ack_short;
 	}
-	if (ack_size == sizeof(i2400m_NBOOT_BARKER)
-		 && memcmp(ack, i2400m_NBOOT_BARKER, sizeof(*ack)) == 0) {
-		result = -ERESTARTSYS;
-		i2400m->sboot = 0;
-		d_printf(6, dev, "boot-mode cmd %d: "
-			 "HW non-signed boot barker\n", opcode);
-		goto error_reboot;
-	}
-	if (ack_size == sizeof(i2400m_SBOOT_BARKER)
-		 && memcmp(ack, i2400m_SBOOT_BARKER, sizeof(*ack)) == 0) {
+	result = i2400m_is_boot_barker(i2400m, ack, ack_size);
+	if (result >= 0) {
 		result = -ERESTARTSYS;
-		i2400m->sboot = 1;
-		d_printf(6, dev, "boot-mode cmd %d: HW signed reboot barker\n",
-			 opcode);
+		d_printf(6, dev, "boot-mode cmd %d: HW boot barker\n", opcode);
 		goto error_reboot;
 	}
 	if (ack_size == sizeof(i2400m_ACK_BARKER)
@@ -590,9 +823,6 @@ int i2400m_dnload_finalize(struct i2400m *i2400m,
  *
  *     < 0 errno code on error, 0 if ok.
  *
- *     i2400m->sboot set to 0 for unsecure boot process, 1 for secure
- *     boot process.
- *
  * Description:
  *
  * Tries hard enough to put the device in boot-mode. There are two
@@ -619,7 +849,7 @@ int i2400m_bootrom_init(struct i2400m *i2400m, enum i2400m_bri flags)
 	int count = i2400m->bus_bm_retries;
 	int ack_timeout_cnt = 1;
 
-	BUILD_BUG_ON(sizeof(*cmd) != sizeof(i2400m_NBOOT_BARKER));
+	BUILD_BUG_ON(sizeof(*cmd) != sizeof(i2400m_barker_db[0].data));
 	BUILD_BUG_ON(sizeof(ack) != sizeof(i2400m_ACK_BARKER));
 
 	d_fnstart(4, dev, "(i2400m %p flags 0x%08x)\n", i2400m, flags);
@@ -647,8 +877,14 @@ do_reboot:
 	case -ETIMEDOUT:	/* device has timed out, we might be in boot
 				 * mode already and expecting an ack, let's try
 				 * that */
-		dev_info(dev, "warm reset timed out, trying an ack\n");
-		goto do_reboot_ack;
+		if (i2400m->barker == NULL) {
+			dev_info(dev, "warm reset timed out, unknown barker "
+				 "type, rebooting\n");
+			goto do_reboot;
+		} else {
+			dev_info(dev, "warm reset timed out, trying an ack\n");
+			goto do_reboot_ack;
+		}
 	case -EPROTO:
 	case -ESHUTDOWN:	/* dev is gone */
 	case -EINTR:		/* user cancelled */
@@ -664,12 +900,7 @@ do_reboot:
 	 * notification and report it as -EISCONN. */
 do_reboot_ack:
 	d_printf(4, dev, "device reboot ack: sending ack [%d # left]\n", count);
-	if (i2400m->sboot == 0)
-		memcpy(cmd, i2400m_NBOOT_BARKER,
-		       sizeof(i2400m_NBOOT_BARKER));
-	else
-		memcpy(cmd, i2400m_SBOOT_BARKER,
-		       sizeof(i2400m_SBOOT_BARKER));
+	memcpy(cmd, i2400m->barker->data, sizeof(i2400m->barker->data));
 	result = i2400m_bm_cmd(i2400m, cmd, sizeof(*cmd),
 			       &ack, sizeof(ack), I2400M_BM_CMD_RAW);
 	switch (result) {
@@ -682,10 +913,8 @@ do_reboot_ack:
 		d_printf(4, dev, "reboot ack: got ack barker - good\n");
 		break;
 	case -ETIMEDOUT:	/* no response, maybe it is the other type? */
-		if (ack_timeout_cnt-- >= 0) {
-			d_printf(4, dev, "reboot ack timedout: "
-				 "trying the other type?\n");
-			i2400m->sboot = !i2400m->sboot;
+		if (ack_timeout_cnt-- < 0) {
+			d_printf(4, dev, "reboot ack timedout: retrying\n");
 			goto do_reboot_ack;
 		} else {
 			dev_err(dev, "reboot ack timedout too long: "
diff --git a/drivers/net/wimax/i2400m/i2400m.h b/drivers/net/wimax/i2400m/i2400m.h
index 73b4e6a1513..bcb1882ed74 100644
--- a/drivers/net/wimax/i2400m/i2400m.h
+++ b/drivers/net/wimax/i2400m/i2400m.h
@@ -194,6 +194,7 @@ enum i2400m_reset_type {
 
 struct i2400m_reset_ctx;
 struct i2400m_roq;
+struct i2400m_barker_db;
 
 /**
  * struct i2400m - descriptor for an Intel 2400m
@@ -419,6 +420,12 @@ struct i2400m_roq;
  *
  * @fw_version: version of the firmware interface, Major.minor,
  *     encoded in the high word and low word (major << 16 | minor).
+ *
+ * @barker: barker type that the device uses; this is initialized by
+ *     i2400m_is_boot_barker() the first time it is called. Then it
+ *     won't change during the life cycle of the device and everytime
+ *     a boot barker is received, it is just verified for it being the
+ *     same.
  */
 struct i2400m {
 	struct wimax_dev wimax_dev;	/* FIRST! See doc */
@@ -484,6 +491,7 @@ struct i2400m {
 	struct dentry *debugfs_dentry;
 	const char *fw_name;		/* name of the current firmware image */
 	unsigned long fw_version;	/* version of the firmware interface */
+	struct i2400m_barker_db *barker;
 };
 
 
@@ -574,6 +582,14 @@ extern void i2400m_bm_cmd_prepare(struct i2400m_bootrom_header *);
 extern int i2400m_dev_bootstrap(struct i2400m *, enum i2400m_bri);
 extern int i2400m_read_mac_addr(struct i2400m *);
 extern int i2400m_bootrom_init(struct i2400m *, enum i2400m_bri);
+extern int i2400m_is_boot_barker(struct i2400m *, const void *, size_t);
+static inline
+int i2400m_is_d2h_barker(const void *buf)
+{
+	const __le32 *barker = buf;
+	return le32_to_cpu(*barker) == I2400M_D2H_MSG_BARKER;
+}
+extern void i2400m_unknown_barker(struct i2400m *, const void *, size_t);
 
 /* Make/grok boot-rom header commands */
 
@@ -736,20 +752,6 @@ extern int i2400m_rx(struct i2400m *, struct sk_buff *);
 extern struct i2400m_msg_hdr *i2400m_tx_msg_get(struct i2400m *, size_t *);
 extern void i2400m_tx_msg_sent(struct i2400m *);
 
-static const __le32 i2400m_NBOOT_BARKER[4] = {
-	cpu_to_le32(I2400M_NBOOT_BARKER),
-	cpu_to_le32(I2400M_NBOOT_BARKER),
-	cpu_to_le32(I2400M_NBOOT_BARKER),
-	cpu_to_le32(I2400M_NBOOT_BARKER)
-};
-
-static const __le32 i2400m_SBOOT_BARKER[4] = {
-	cpu_to_le32(I2400M_SBOOT_BARKER),
-	cpu_to_le32(I2400M_SBOOT_BARKER),
-	cpu_to_le32(I2400M_SBOOT_BARKER),
-	cpu_to_le32(I2400M_SBOOT_BARKER)
-};
-
 extern int i2400m_power_save_disabled;
 
 /*
@@ -848,6 +850,12 @@ void __i2400m_msleep(unsigned ms)
 #endif
 }
 
+
+/* module initialization helpers */
+extern int i2400m_barker_db_init(const char *);
+extern void i2400m_barker_db_exit(void);
+
+
 /* Module parameters */
 
 extern int i2400m_idle_mode_disabled;
diff --git a/drivers/net/wimax/i2400m/rx.c b/drivers/net/wimax/i2400m/rx.c
index 07c32e68909..bcd411f1a85 100644
--- a/drivers/net/wimax/i2400m/rx.c
+++ b/drivers/net/wimax/i2400m/rx.c
@@ -1194,6 +1194,28 @@ error_msg_hdr_check:
 EXPORT_SYMBOL_GPL(i2400m_rx);
 
 
+void i2400m_unknown_barker(struct i2400m *i2400m,
+			   const void *buf, size_t size)
+{
+	struct device *dev = i2400m_dev(i2400m);
+	char prefix[64];
+	const __le32 *barker = buf;
+	dev_err(dev, "RX: HW BUG? unknown barker %08x, "
+		"dropping %zu bytes\n", le32_to_cpu(*barker), size);
+	snprintf(prefix, sizeof(prefix), "%s %s: ",
+		 dev_driver_string(dev), dev_name(dev));
+	if (size > 64) {
+		print_hex_dump(KERN_ERR, prefix, DUMP_PREFIX_OFFSET,
+			       8, 4, buf, 64, 0);
+		printk(KERN_ERR "%s... (only first 64 bytes "
+		       "dumped)\n", prefix);
+	} else
+		print_hex_dump(KERN_ERR, prefix, DUMP_PREFIX_OFFSET,
+			       8, 4, buf, size, 0);
+}
+EXPORT_SYMBOL(i2400m_unknown_barker);
+
+
 /*
  * Initialize the RX queue and infrastructure
  *
diff --git a/drivers/net/wimax/i2400m/sdio-rx.c b/drivers/net/wimax/i2400m/sdio-rx.c
index 1c9046914bd..87263be4eed 100644
--- a/drivers/net/wimax/i2400m/sdio-rx.c
+++ b/drivers/net/wimax/i2400m/sdio-rx.c
@@ -53,6 +53,7 @@
  * i2400ms_irq()
  *   i2400ms_rx()
  *     __i2400ms_rx_get_size()
+ *     i2400m_is_boot_barker()
  *     i2400m_rx()
  *
  * i2400ms_rx_setup()
@@ -158,7 +159,7 @@ void i2400ms_rx(struct i2400ms *i2400ms)
 	}
 
 	rmb();	/* make sure we get boot_mode from dev_reset_handle */
-	if (i2400m->boot_mode == 1) {
+	if (unlikely(i2400m->boot_mode == 1)) {
 		spin_lock(&i2400m->rx_lock);
 		i2400ms->bm_ack_size = rx_size;
 		spin_unlock(&i2400m->rx_lock);
@@ -166,17 +167,26 @@ void i2400ms_rx(struct i2400ms *i2400ms)
 		wake_up(&i2400ms->bm_wfa_wq);
 		dev_err(dev, "RX: SDIO boot mode message\n");
 		kfree_skb(skb);
-	} else if (unlikely(!memcmp(skb->data, i2400m_NBOOT_BARKER,
-				    sizeof(i2400m_NBOOT_BARKER))
-			    || !memcmp(skb->data, i2400m_SBOOT_BARKER,
-				       sizeof(i2400m_SBOOT_BARKER)))) {
+		goto out;
+	}
+	ret = -EIO;
+	if (unlikely(rx_size < sizeof(__le32))) {
+		dev_err(dev, "HW BUG? only %zu bytes received\n", rx_size);
+		goto error_bad_size;
+	}
+	if (likely(i2400m_is_d2h_barker(skb->data))) {
+		skb_put(skb, rx_size);
+		i2400m_rx(i2400m, skb);
+	} else if (unlikely(i2400m_is_boot_barker(i2400m,
+						  skb->data, rx_size))) {
 		ret = i2400m_dev_reset_handle(i2400m);
 		dev_err(dev, "RX: SDIO reboot barker\n");
 		kfree_skb(skb);
 	} else {
-		skb_put(skb, rx_size);
-		i2400m_rx(i2400m, skb);
+		i2400m_unknown_barker(i2400m, skb->data, rx_size);
+		kfree_skb(skb);
 	}
+out:
 	d_fnend(7, dev, "(i2400ms %p) = void\n", i2400ms);
 	return;
 
@@ -184,6 +194,7 @@ error_memcpy_fromio:
 	kfree_skb(skb);
 error_alloc_skb:
 error_get_size:
+error_bad_size:
 	d_fnend(7, dev, "(i2400ms %p) = %d\n", i2400ms, ret);
 	return;
 }
diff --git a/drivers/net/wimax/i2400m/usb-notif.c b/drivers/net/wimax/i2400m/usb-notif.c
index 3e11e35cd69..a0751a347cd 100644
--- a/drivers/net/wimax/i2400m/usb-notif.c
+++ b/drivers/net/wimax/i2400m/usb-notif.c
@@ -51,6 +51,7 @@
  *
  * i2400mu_usb_notification_cb()	Called when a URB is ready
  *   i2400mu_notif_grok()
+ *     i2400m_is_boot_barker()
  *     i2400m_dev_reset_handle()
  *     i2400mu_rx_kick()
  */
@@ -87,32 +88,21 @@ int i2400mu_notification_grok(struct i2400mu *i2400mu, const void *buf,
 	d_fnstart(4, dev, "(i2400m %p buf %p buf_len %zu)\n",
 		  i2400mu, buf, buf_len);
 	ret = -EIO;
-	if (buf_len < sizeof(i2400m_NBOOT_BARKER))
+	if (buf_len < sizeof(i2400m_ZERO_BARKER))
 		/* Not a bug, just ignore */
 		goto error_bad_size;
-	if (!memcmp(i2400m_NBOOT_BARKER, buf, sizeof(i2400m_NBOOT_BARKER))
-	    || !memcmp(i2400m_SBOOT_BARKER, buf, sizeof(i2400m_SBOOT_BARKER)))
-		ret = i2400m_dev_reset_handle(i2400m);
-	else if (!memcmp(i2400m_ZERO_BARKER, buf, sizeof(i2400m_ZERO_BARKER))) {
+	ret = 0;
+	if (!memcmp(i2400m_ZERO_BARKER, buf, sizeof(i2400m_ZERO_BARKER))) {
 		i2400mu_rx_kick(i2400mu);
-		ret = 0;
-	} else {	/* Unknown or unexpected data in the notif message */
-		char prefix[64];
-		ret = -EIO;
-		dev_err(dev, "HW BUG? Unknown/unexpected data in notification "
-			"message (%zu bytes)\n", buf_len);
-		snprintf(prefix, sizeof(prefix), "%s %s: ",
-			 dev_driver_string(dev), dev_name(dev));
-		if (buf_len > 64) {
-			print_hex_dump(KERN_ERR, prefix, DUMP_PREFIX_OFFSET,
-				       8, 4, buf, 64, 0);
-			printk(KERN_ERR "%s... (only first 64 bytes "
-			       "dumped)\n", prefix);
-		} else
-			print_hex_dump(KERN_ERR, prefix, DUMP_PREFIX_OFFSET,
-				       8, 4, buf, buf_len, 0);
+		goto out;
 	}
+	ret = i2400m_is_boot_barker(i2400m, buf, buf_len);
+	if (unlikely(ret >= 0))
+		ret = i2400m_dev_reset_handle(i2400m);
+	else	/* Unknown or unexpected data in the notif message */
+		i2400m_unknown_barker(i2400m, buf, buf_len);
 error_bad_size:
+out:
 	d_fnend(4, dev, "(i2400m %p buf %p buf_len %zu) = %d\n",
 		i2400mu, buf, buf_len, ret);
 	return ret;
-- 
GitLab


From ebc5f62b76ad540ff7b3e438506638009e7812a6 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Thu, 3 Sep 2009 15:53:30 -0700
Subject: [PATCH 0344/1815] wimax/i2400m: retry loading firmware files in
 sequence

The i2400m firmware loader is given a list of firmware files to try to
load by the probe() function (which can be different based on the
device's model / generation).

Current code didn't attempt to load, check and try to boot with each
file, but just to try to load if off disk. This is limiting in some
cases, where we might want to try to load a firmware and if it fails
to load onto the device, just fall back to another one.

This changes the behaviour so all files are tried for being loaded
from disk, checked and uploaded to the device until one suceeds in
bringing the device up.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/fw.c | 35 +++++++++++++++++------------------
 1 file changed, 17 insertions(+), 18 deletions(-)

diff --git a/drivers/net/wimax/i2400m/fw.c b/drivers/net/wimax/i2400m/fw.c
index 798564eb0e9..55fe011a963 100644
--- a/drivers/net/wimax/i2400m/fw.c
+++ b/drivers/net/wimax/i2400m/fw.c
@@ -1288,7 +1288,7 @@ error_dev_rebooted:
  */
 int i2400m_dev_bootstrap(struct i2400m *i2400m, enum i2400m_bri flags)
 {
-	int ret = 0, itr = 0;
+	int ret, itr;
 	struct device *dev = i2400m_dev(i2400m);
 	const struct firmware *fw;
 	const struct i2400m_bcf_hdr *bcf;	/* Firmware data */
@@ -1297,32 +1297,31 @@ int i2400m_dev_bootstrap(struct i2400m *i2400m, enum i2400m_bri flags)
 	d_fnstart(5, dev, "(i2400m %p)\n", i2400m);
 
 	/* Load firmware files to memory. */
-	itr = 0;
-	while(1) {
+	for (itr = 0, bcf = NULL, ret = -ENOENT; ; itr++) {
 		fw_name = i2400m->bus_fw_names[itr];
 		if (fw_name == NULL) {
 			dev_err(dev, "Could not find a usable firmware image\n");
 			ret = -ENOENT;
-			goto error_no_fw;
+			break;
 		}
+		d_printf(1, dev, "trying firmware %s (%d)\n", fw_name, itr);
 		ret = request_firmware(&fw, fw_name, dev);
-		if (ret == 0)
-			break;		/* got it */
-		if (ret < 0)
+		if (ret < 0) {
 			dev_err(dev, "fw %s: cannot load file: %d\n",
 				fw_name, ret);
-		itr++;
+			continue;
+		}
+		bcf = (void *) fw->data;
+		i2400m->fw_name = fw_name;
+		ret = i2400m_fw_check(i2400m, bcf, fw->size);
+		if (ret >= 0) {
+			ret = i2400m_fw_dnload(i2400m, bcf, fw->size, flags);
+			if (ret >= 0)
+				break;
+		} else
+			dev_err(dev, "%s: cannot use, skipping\n", fw_name);
+		release_firmware(fw);
 	}
-
-	bcf = (void *) fw->data;
-	i2400m->fw_name = fw_name;
-	ret = i2400m_fw_check(i2400m, bcf, fw->size);
-	if (ret < 0)
-		goto error_fw_bad;
-	ret = i2400m_fw_dnload(i2400m, bcf, fw->size, flags);
-error_fw_bad:
-	release_firmware(fw);
-error_no_fw:
 	d_fnend(5, dev, "(i2400m %p) = %d\n", i2400m, ret);
 	return ret;
 }
-- 
GitLab


From 923d708fed9d47c7b4d67694500d766337663e29 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Fri, 4 Sep 2009 14:50:59 -0700
Subject: [PATCH 0345/1815] wimax/i2400m: fix reboot echo/ack barker deadlock

The i2400m based devices can get in a sort of a deadlock some times;
when they boot, they send a reboot "barker" (a magic number) and then
the driver has to echo that same barker to ack reception
(echo/ack). Then the device does a final ack by sending an ACK barker.

The first time this happens, we don't know ahead of time with barker
the device is going to send, as different device models and SKUs will
send different barker depending on the EEPROM programming.

If the device has sent the barker before the driver has been able to
read it, the driver looses, as it doesn't know which barker it has to
echo/ack back. With older devices, we tried a couple of combinations
and that always worked; but now, with adding support for more, in
which we have an unlimited number of new barkers, that is not an
option.

So we rework said case so that when the device gets stuck, we just
cycle through all the known types until one forces the device to send
an ack. Otherwise, the driver gives up and aborts.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/fw.c | 63 ++++++++++++++++++++++++++++-------
 include/linux/wimax/i2400m.h  |  2 +-
 2 files changed, 52 insertions(+), 13 deletions(-)

diff --git a/drivers/net/wimax/i2400m/fw.c b/drivers/net/wimax/i2400m/fw.c
index 55fe011a963..eef236d85af 100644
--- a/drivers/net/wimax/i2400m/fw.c
+++ b/drivers/net/wimax/i2400m/fw.c
@@ -812,7 +812,7 @@ int i2400m_dnload_finalize(struct i2400m *i2400m,
  *
  * @i2400m: device descriptor
  * @flags:
- *      I2400M_BRI_SOFT: a reboot notification has been seen
+ *      I2400M_BRI_SOFT: a reboot barker has been seen
  *          already, so don't wait for it.
  *
  *      I2400M_BRI_NO_REBOOT: Don't send a reboot command, but wait
@@ -829,8 +829,9 @@ int i2400m_dnload_finalize(struct i2400m *i2400m,
  * main phases to this:
  *
  * a. (1) send a reboot command and (2) get a reboot barker
- * b. (1) ack the reboot sending a reboot barker and (2) getting an
- *        ack barker in return
+ *
+ * b. (1) echo/ack the reboot sending the reboot barker back and (2)
+ *        getting an ack barker in return
  *
  * We want to skip (a) in some cases [soft]. The state machine is
  * horrible, but it is basically: on each phase, send what has to be
@@ -838,6 +839,16 @@ int i2400m_dnload_finalize(struct i2400m *i2400m,
  * have to backtrack and retry, so we keep a max tries counter for
  * that.
  *
+ * It sucks because we don't know ahead of time which is going to be
+ * the reboot barker (the device might send different ones depending
+ * on its EEPROM config) and once the device reboots and waits for the
+ * echo/ack reboot barker being sent back, it doesn't understand
+ * anything else. So we can be left at the point where we don't know
+ * what to send to it -- cold reset and bus reset seem to have little
+ * effect. So the function iterates (in this case) through all the
+ * known barkers and tries them all until an ACK is
+ * received. Otherwise, it gives up.
+ *
  * If we get a timeout after sending a warm reset, we do it again.
  */
 int i2400m_bootrom_init(struct i2400m *i2400m, enum i2400m_bri flags)
@@ -848,6 +859,7 @@ int i2400m_bootrom_init(struct i2400m *i2400m, enum i2400m_bri flags)
 	struct i2400m_bootrom_header ack;
 	int count = i2400m->bus_bm_retries;
 	int ack_timeout_cnt = 1;
+	unsigned i;
 
 	BUILD_BUG_ON(sizeof(*cmd) != sizeof(i2400m_barker_db[0].data));
 	BUILD_BUG_ON(sizeof(ack) != sizeof(i2400m_ACK_BARKER));
@@ -858,6 +870,7 @@ int i2400m_bootrom_init(struct i2400m *i2400m, enum i2400m_bri flags)
 	if (flags & I2400M_BRI_SOFT)
 		goto do_reboot_ack;
 do_reboot:
+	ack_timeout_cnt = 1;
 	if (--count < 0)
 		goto error_timeout;
 	d_printf(4, dev, "device reboot: reboot command [%d # left]\n",
@@ -869,22 +882,47 @@ do_reboot:
 	flags &= ~I2400M_BRI_NO_REBOOT;
 	switch (result) {
 	case -ERESTARTSYS:
+		/*
+		 * at this point, i2400m_bm_cmd(), through
+		 * __i2400m_bm_ack_process(), has updated
+		 * i2400m->barker and we are good to go.
+		 */
 		d_printf(4, dev, "device reboot: got reboot barker\n");
 		break;
 	case -EISCONN:	/* we don't know how it got here...but we follow it */
 		d_printf(4, dev, "device reboot: got ack barker - whatever\n");
 		goto do_reboot;
-	case -ETIMEDOUT:	/* device has timed out, we might be in boot
-				 * mode already and expecting an ack, let's try
-				 * that */
-		if (i2400m->barker == NULL) {
-			dev_info(dev, "warm reset timed out, unknown barker "
-				 "type, rebooting\n");
-			goto do_reboot;
-		} else {
-			dev_info(dev, "warm reset timed out, trying an ack\n");
+	case -ETIMEDOUT:
+		/*
+		 * Device has timed out, we might be in boot mode
+		 * already and expecting an ack; if we don't know what
+		 * the barker is, we just send them all. Cold reset
+		 * and bus reset don't work. Beats me.
+		 */
+		if (i2400m->barker != NULL) {
+			dev_err(dev, "device boot: reboot barker timed out, "
+				"trying (set) %08x echo/ack\n",
+				le32_to_cpu(i2400m->barker->data[0]));
 			goto do_reboot_ack;
 		}
+		for (i = 0; i < i2400m_barker_db_used; i++) {
+			struct i2400m_barker_db *barker = &i2400m_barker_db[i];
+			memcpy(cmd, barker->data, sizeof(barker->data));
+			result = i2400m_bm_cmd(i2400m, cmd, sizeof(*cmd),
+					       &ack, sizeof(ack),
+					       I2400M_BM_CMD_RAW);
+			if (result == -EISCONN) {
+				dev_warn(dev, "device boot: got ack barker "
+					 "after sending echo/ack barker "
+					 "#%d/%08x; rebooting j.i.c.\n",
+					 i, le32_to_cpu(barker->data[0]));
+				flags &= ~I2400M_BRI_NO_REBOOT;
+				goto do_reboot;
+			}
+		}
+		dev_err(dev, "device boot: tried all the echo/acks, could "
+			"not get device to respond; giving up");
+		result = -ESHUTDOWN;
 	case -EPROTO:
 	case -ESHUTDOWN:	/* dev is gone */
 	case -EINTR:		/* user cancelled */
@@ -892,6 +930,7 @@ do_reboot:
 	default:
 		dev_err(dev, "device reboot: error %d while waiting "
 			"for reboot barker - rebooting\n", result);
+		d_dump(1, dev, &ack, result);
 		goto do_reboot;
 	}
 	/* At this point we ack back with 4 REBOOT barkers and expect
diff --git a/include/linux/wimax/i2400m.h b/include/linux/wimax/i2400m.h
index d6e2a359568..fd5af05083c 100644
--- a/include/linux/wimax/i2400m.h
+++ b/include/linux/wimax/i2400m.h
@@ -138,7 +138,7 @@ struct i2400m_bcf_hdr {
 	__le32 module_id;
 	__le32 module_vendor;
 	__le32 date;		/* BCD YYYMMDD */
-	__le32 size;
+	__le32 size;            /* in dwords */
 	__le32 key_size;	/* in dwords */
 	__le32 modulus_size;	/* in dwords */
 	__le32 exponent_size;	/* in dwords */
-- 
GitLab


From fabce1a485dd985c0e4c16f61f4ddb5e27e49cbf Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Fri, 4 Sep 2009 14:53:43 -0700
Subject: [PATCH 0346/1815] wimax/i2400m: verify firmware format version is
 known

Make sure the bootloading code checks that the format of the file is
understood (major version match). This also fixes a dumb typo in
extracting the major version field.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/fw.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wimax/i2400m/fw.c b/drivers/net/wimax/i2400m/fw.c
index eef236d85af..1fd2fee4c6c 100644
--- a/drivers/net/wimax/i2400m/fw.c
+++ b/drivers/net/wimax/i2400m/fw.c
@@ -1179,7 +1179,7 @@ int i2400m_fw_check(struct i2400m *i2400m,
 
 	module_type = bcf->module_type;
 	header_len = sizeof(u32) * le32_to_cpu(bcf->header_len);
-	major_version = le32_to_cpu(bcf->header_version) & 0xffff0000 >> 16;
+	major_version = (le32_to_cpu(bcf->header_version) & 0xffff0000) >> 16;
 	minor_version = le32_to_cpu(bcf->header_version) & 0x0000ffff;
 	module_id = le32_to_cpu(bcf->module_id);
 	module_vendor = le32_to_cpu(bcf->module_vendor);
@@ -1205,6 +1205,12 @@ int i2400m_fw_check(struct i2400m *i2400m,
 		goto error;
 	}
 
+	if (major_version != 1) {
+		dev_err(dev, "%s: major header version v%u.%u not supported\n",
+			i2400m->fw_name, major_version, minor_version);
+		goto error;
+	}
+
 	/* Check soft-er errors */
 	result = 0;
 	if (module_vendor != 0x8086)
-- 
GitLab


From bfc44187bbaeabf597be6566a24e8fa7d689b984 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Fri, 4 Sep 2009 17:07:21 -0700
Subject: [PATCH 0347/1815] wimax/i2400m: support extended firmware format

The SBCF firmware format has been extended to support extra headers
after the main payload. These extra headers are used to sign the
firmware code with more than one certificate. This eases up
distributing single code images that work in more than one SKU of the
device.

The changes to support this feature will be spread in a series of
commits. This one just adds the support to parse the extra headers and
store them in i2400m->fw_hdrs. Coming changes to the loader code will
use that to determine which header to upload to the device.

The i2400m_fw_check() function now iterates over all the headers and
for each, calls i2400m_fw_hdr_check(), which does some basic checks on
each header. It then stores the headers for the bootloader code to use.

The i2400m_dev_bootstrap() function has been modified to cleanup
i2400m->fw_hdrs when done.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/fw.c     | 189 ++++++++++++++++++++----------
 drivers/net/wimax/i2400m/i2400m.h |   4 +
 2 files changed, 134 insertions(+), 59 deletions(-)

diff --git a/drivers/net/wimax/i2400m/fw.c b/drivers/net/wimax/i2400m/fw.c
index 1fd2fee4c6c..897e0be698c 100644
--- a/drivers/net/wimax/i2400m/fw.c
+++ b/drivers/net/wimax/i2400m/fw.c
@@ -78,11 +78,11 @@
  *
  * We can then upload the firmware file. The file is composed of a BCF
  * header (basic data, keys and signatures) and a list of write
- * commands and payloads. We first upload the header
- * [i2400m_dnload_init()] and then pass the commands and payloads
- * verbatim to the i2400m_bm_cmd() function
- * [i2400m_dnload_bcf()]. Then we tell the device to jump to the new
- * firmware [i2400m_dnload_finalize()].
+ * commands and payloads. Optionally more BCF headers might follow the
+ * main payload. We first upload the header [i2400m_dnload_init()] and
+ * then pass the commands and payloads verbatim to the i2400m_bm_cmd()
+ * function [i2400m_dnload_bcf()]. Then we tell the device to jump to
+ * the new firmware [i2400m_dnload_finalize()].
  *
  * Once firmware is uploaded, we are good to go :)
  *
@@ -115,6 +115,7 @@
  * i2400m_dev_bootstrap               Called by __i2400m_dev_start()
  *   request_firmware
  *   i2400m_fw_check
+ *     i2400m_fw_hdr_check
  *   i2400m_fw_dnload
  *   release_firmware
  *
@@ -1151,75 +1152,142 @@ int i2400m_dnload_init(struct i2400m *i2400m, const struct i2400m_bcf_hdr *bcf)
 
 
 /*
- * Run quick consistency tests on the firmware file
+ * Run consistency tests on the firmware file and load up headers
  *
  * Check for the firmware being made for the i2400m device,
  * etc...These checks are mostly informative, as the device will make
  * them too; but the driver's response is more informative on what
  * went wrong.
+ *
+ * This will also look at all the headers present on the firmware
+ * file, and update i2400m->fw_bcf_hdr to point to them.
  */
 static
-int i2400m_fw_check(struct i2400m *i2400m,
-		    const struct i2400m_bcf_hdr *bcf,
-		    size_t bcf_size)
+int i2400m_fw_hdr_check(struct i2400m *i2400m,
+			const struct i2400m_bcf_hdr *bcf_hdr,
+			size_t index, size_t offset)
 {
-	int result;
 	struct device *dev = i2400m_dev(i2400m);
+
 	unsigned module_type, header_len, major_version, minor_version,
 		module_id, module_vendor, date, size;
 
-	/* Check hard errors */
-	result = -EINVAL;
-	if (bcf_size < sizeof(*bcf)) {	/* big enough header? */
-		dev_err(dev, "firmware %s too short: "
-			"%zu B vs %zu (at least) expected\n",
-			i2400m->fw_name, bcf_size, sizeof(*bcf));
-		goto error;
-	}
-
-	module_type = bcf->module_type;
-	header_len = sizeof(u32) * le32_to_cpu(bcf->header_len);
-	major_version = (le32_to_cpu(bcf->header_version) & 0xffff0000) >> 16;
-	minor_version = le32_to_cpu(bcf->header_version) & 0x0000ffff;
-	module_id = le32_to_cpu(bcf->module_id);
-	module_vendor = le32_to_cpu(bcf->module_vendor);
-	date = le32_to_cpu(bcf->date);
-	size = sizeof(u32) * le32_to_cpu(bcf->size);
-
-	if (bcf_size != size) {		/* annoyingly paranoid */
-		dev_err(dev, "firmware %s: bad size, got "
-			"%zu B vs %u expected\n",
-			i2400m->fw_name, bcf_size, size);
-		goto error;
+	module_type = bcf_hdr->module_type;
+	header_len = sizeof(u32) * le32_to_cpu(bcf_hdr->header_len);
+	major_version = (le32_to_cpu(bcf_hdr->header_version) & 0xffff0000)
+		>> 16;
+	minor_version = le32_to_cpu(bcf_hdr->header_version) & 0x0000ffff;
+	module_id = le32_to_cpu(bcf_hdr->module_id);
+	module_vendor = le32_to_cpu(bcf_hdr->module_vendor);
+	date = le32_to_cpu(bcf_hdr->date);
+	size = sizeof(u32) * le32_to_cpu(bcf_hdr->size);
+
+	d_printf(1, dev, "firmware %s #%d@%08x: BCF header "
+		 "type:vendor:id 0x%x:%x:%x v%u.%u (%zu/%zu B) built %08x\n",
+		 i2400m->fw_name, index, offset,
+		 module_type, module_vendor, module_id,
+		 major_version, minor_version, header_len, size, date);
+
+	/* Hard errors */
+	if (major_version != 1) {
+		dev_err(dev, "firmware %s #%d@%08x: major header version "
+			"v%u.%u not supported\n",
+			i2400m->fw_name, index, offset,
+			major_version, minor_version);
+		return -EBADF;
 	}
 
-	d_printf(2, dev, "type 0x%x id 0x%x vendor 0x%x; header v%u.%u (%zu B) "
-		 "date %08x (%zu B)\n",
-		 module_type, module_id, module_vendor,
-		 major_version, minor_version, (size_t) header_len,
-		 date, (size_t) size);
-
 	if (module_type != 6) {		/* built for the right hardware? */
-		dev_err(dev, "bad fw %s: unexpected module type 0x%x; "
-			"aborting\n", i2400m->fw_name, module_type);
-		goto error;
+		dev_err(dev, "firmware %s #%d@%08x: unexpected module "
+			"type 0x%x; aborting\n",
+			i2400m->fw_name, index, offset,
+			module_type);
+		return -EBADF;
 	}
 
-	if (major_version != 1) {
-		dev_err(dev, "%s: major header version v%u.%u not supported\n",
-			i2400m->fw_name, major_version, minor_version);
-		goto error;
+	if (module_vendor != 0x8086) {
+		dev_err(dev, "firmware %s #%d@%08x: unexpected module "
+			"vendor 0x%x; aborting\n",
+			i2400m->fw_name, index, offset, module_vendor);
+		return -EBADF;
 	}
 
-	/* Check soft-er errors */
-	result = 0;
-	if (module_vendor != 0x8086)
-		dev_err(dev, "bad fw %s? unexpected vendor 0x%04x\n",
-			i2400m->fw_name, module_vendor);
 	if (date < 0x20080300)
-		dev_err(dev, "bad fw %s? build date too old %08x\n",
-			i2400m->fw_name, date);
-error:
+		dev_warn(dev, "firmware %s #%d@%08x: build date %08x "
+			 "too old; unsupported\n",
+			 i2400m->fw_name, index, offset, date);
+	return 0;
+}
+
+
+/*
+ * Run consistency tests on the firmware file and load up headers
+ *
+ * Check for the firmware being made for the i2400m device,
+ * etc...These checks are mostly informative, as the device will make
+ * them too; but the driver's response is more informative on what
+ * went wrong.
+ *
+ * This will also look at all the headers present on the firmware
+ * file, and update i2400m->fw_hdrs to point to them.
+ */
+static
+int i2400m_fw_check(struct i2400m *i2400m, const void *bcf, size_t bcf_size)
+{
+	int result;
+	struct device *dev = i2400m_dev(i2400m);
+	size_t headers = 0;
+	const struct i2400m_bcf_hdr *bcf_hdr;
+	const void *itr, *next, *top;
+	unsigned slots = 0, used_slots = 0;
+
+	for (itr = bcf, top = itr + bcf_size;
+	     itr < top;
+	     headers++, itr = next) {
+		size_t leftover, offset, header_len, size;
+
+		leftover = top - itr;
+		offset = itr - (const void *) bcf;
+		if (leftover <= sizeof(*bcf_hdr)) {
+			dev_err(dev, "firmware %s: %zu B left at @%x, "
+				"not enough for BCF header\n",
+				i2400m->fw_name, leftover, offset);
+			break;
+		}
+		bcf_hdr = itr;
+		/* Only the first header is supposed to be followed by
+		 * payload */
+		header_len = sizeof(u32) * le32_to_cpu(bcf_hdr->header_len);
+		size = sizeof(u32) * le32_to_cpu(bcf_hdr->size);
+		if (headers == 0)
+			next = itr + size;
+		else
+			next = itr + header_len;
+
+		result = i2400m_fw_hdr_check(i2400m, bcf_hdr, headers, offset);
+		if (result < 0)
+			continue;
+		if (used_slots + 1 >= slots) {
+			/* +1 -> we need to account for the one we'll
+			 * occupy and at least an extra one for
+			 * always being NULL */
+			result = i2400m_zrealloc_2x(
+				(void **) &i2400m->fw_hdrs, &slots,
+				sizeof(i2400m->fw_hdrs[0]),
+				GFP_KERNEL);
+			if (result < 0)
+				goto error_zrealloc;
+		}
+		i2400m->fw_hdrs[used_slots] = bcf_hdr;
+		used_slots++;
+	}
+	if (headers == 0) {
+		dev_err(dev, "firmware %s: no usable headers found\n",
+			i2400m->fw_name);
+		result = -EBADF;
+	} else
+		result = 0;
+error_zrealloc:
 	return result;
 }
 
@@ -1359,13 +1427,16 @@ int i2400m_dev_bootstrap(struct i2400m *i2400m, enum i2400m_bri flags)
 		bcf = (void *) fw->data;
 		i2400m->fw_name = fw_name;
 		ret = i2400m_fw_check(i2400m, bcf, fw->size);
-		if (ret >= 0) {
+		if (ret >= 0)
 			ret = i2400m_fw_dnload(i2400m, bcf, fw->size, flags);
-			if (ret >= 0)
-				break;
-		} else
-			dev_err(dev, "%s: cannot use, skipping\n", fw_name);
+		if (ret < 0)
+			dev_err(dev, "%s: cannot use: %d, skipping\n",
+				fw_name, ret);
+		kfree(i2400m->fw_hdrs);
+		i2400m->fw_hdrs = NULL;
 		release_firmware(fw);
+		if (ret >= 0)	/* firmware loaded succesfully */
+			break;
 	}
 	d_fnend(5, dev, "(i2400m %p) = %d\n", i2400m, ret);
 	return ret;
diff --git a/drivers/net/wimax/i2400m/i2400m.h b/drivers/net/wimax/i2400m/i2400m.h
index bcb1882ed74..5ac2cce88ba 100644
--- a/drivers/net/wimax/i2400m/i2400m.h
+++ b/drivers/net/wimax/i2400m/i2400m.h
@@ -421,6 +421,9 @@ struct i2400m_barker_db;
  * @fw_version: version of the firmware interface, Major.minor,
  *     encoded in the high word and low word (major << 16 | minor).
  *
+ * @fw_hdrs: NULL terminated array of pointers to the firmware
+ *     headers. This is only available during firmware load time.
+ *
  * @barker: barker type that the device uses; this is initialized by
  *     i2400m_is_boot_barker() the first time it is called. Then it
  *     won't change during the life cycle of the device and everytime
@@ -491,6 +494,7 @@ struct i2400m {
 	struct dentry *debugfs_dentry;
 	const char *fw_name;		/* name of the current firmware image */
 	unsigned long fw_version;	/* version of the firmware interface */
+	const struct i2400m_bcf_hdr **fw_hdrs;
 	struct i2400m_barker_db *barker;
 };
 
-- 
GitLab


From 10607c86e163e3da8bdf58a934da7dd3a68dcb7c Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Wed, 9 Sep 2009 17:11:57 -0700
Subject: [PATCH 0348/1815] wimax/i2400m: on firmware upload, select BCF header
 that matches device's request

Devices based on the i2400m emit a "barker" (32 bit unsigned) when
they boot. This barker is used to select, in the firmware file image,
which header should be used to process the rest of the file.

This commit implements said support, completing the series started by
previous commits.

We modify the i2400m_fw_dnload() firmware loading path by adding a
call to i2400m_bcf_hdr_find() [new function], in which the right BCF
header [as listed in i2400m->fw_hdrs by i2400m_fw_check()] is
located. Then this header is fed to i2400m_dnload_init() and
i2400m_dnload_finalize().

The changes to i2400m_dnload_finalize() are smaller than they look;
they add the bcf_hdr argument and use that instead of bcf. Likewise in
i2400m_dnload_init().

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/fw.c | 111 ++++++++++++++++++++++++++++------
 1 file changed, 92 insertions(+), 19 deletions(-)

diff --git a/drivers/net/wimax/i2400m/fw.c b/drivers/net/wimax/i2400m/fw.c
index 897e0be698c..84a39c30c3d 100644
--- a/drivers/net/wimax/i2400m/fw.c
+++ b/drivers/net/wimax/i2400m/fw.c
@@ -665,8 +665,8 @@ static int i2400m_download_chunk(struct i2400m *i2400m, const void *chunk,
  * Download a BCF file's sections to the device
  *
  * @i2400m: device descriptor
- * @bcf: pointer to firmware data (followed by the payloads). Assumed
- *       verified and consistent.
+ * @bcf: pointer to firmware data (first header followed by the
+ *     payloads). Assumed verified and consistent.
  * @bcf_len: length (in bytes) of the @bcf buffer.
  *
  * Returns: < 0 errno code on error or the offset to the jump instruction.
@@ -756,11 +756,17 @@ unsigned i2400m_boot_is_signed(struct i2400m *i2400m)
 /*
  * Do the final steps of uploading firmware
  *
+ * @bcf_hdr: BCF header we are actually using
+ * @bcf: pointer to the firmware image (which matches the first header
+ *     that is followed by the actual payloads).
+ * @offset: [byte] offset into @bcf for the command we need to send.
+ *
  * Depending on the boot mode (signed vs non-signed), different
  * actions need to be taken.
  */
 static
 int i2400m_dnload_finalize(struct i2400m *i2400m,
+			   const struct i2400m_bcf_hdr *bcf_hdr,
 			   const struct i2400m_bcf_hdr *bcf, size_t offset)
 {
 	int ret = 0;
@@ -792,12 +798,13 @@ int i2400m_dnload_finalize(struct i2400m *i2400m,
 		cmd_buf = i2400m->bm_cmd_buf;
 		memcpy(&cmd_buf->cmd, cmd, sizeof(*cmd));
 		signature_block_offset =
-			sizeof(*bcf)
-			+ le32_to_cpu(bcf->key_size) * sizeof(u32)
-			+ le32_to_cpu(bcf->exponent_size) * sizeof(u32);
+			sizeof(*bcf_hdr)
+			+ le32_to_cpu(bcf_hdr->key_size) * sizeof(u32)
+			+ le32_to_cpu(bcf_hdr->exponent_size) * sizeof(u32);
 		signature_block_size =
-			le32_to_cpu(bcf->modulus_size) * sizeof(u32);
-		memcpy(cmd_buf->cmd_pl, (void *) bcf + signature_block_offset,
+			le32_to_cpu(bcf_hdr->modulus_size) * sizeof(u32);
+		memcpy(cmd_buf->cmd_pl,
+		       (void *) bcf_hdr + signature_block_offset,
 		       signature_block_size);
 		ret = i2400m_bm_cmd(i2400m, &cmd_buf->cmd,
 				    sizeof(cmd_buf->cmd) + signature_block_size,
@@ -1122,14 +1129,15 @@ int i2400m_dnload_init_signed(struct i2400m *i2400m,
  * (signed or non-signed).
  */
 static
-int i2400m_dnload_init(struct i2400m *i2400m, const struct i2400m_bcf_hdr *bcf)
+int i2400m_dnload_init(struct i2400m *i2400m,
+		       const struct i2400m_bcf_hdr *bcf_hdr)
 {
 	int result;
 	struct device *dev = i2400m_dev(i2400m);
 
 	if (i2400m_boot_is_signed(i2400m)) {
 		d_printf(1, dev, "signed boot\n");
-		result = i2400m_dnload_init_signed(i2400m, bcf);
+		result = i2400m_dnload_init_signed(i2400m, bcf_hdr);
 		if (result == -ERESTARTSYS)
 			return result;
 		if (result < 0)
@@ -1182,15 +1190,15 @@ int i2400m_fw_hdr_check(struct i2400m *i2400m,
 	date = le32_to_cpu(bcf_hdr->date);
 	size = sizeof(u32) * le32_to_cpu(bcf_hdr->size);
 
-	d_printf(1, dev, "firmware %s #%d@%08x: BCF header "
-		 "type:vendor:id 0x%x:%x:%x v%u.%u (%zu/%zu B) built %08x\n",
+	d_printf(1, dev, "firmware %s #%zd@%08zx: BCF header "
+		 "type:vendor:id 0x%x:%x:%x v%u.%u (%u/%u B) built %08x\n",
 		 i2400m->fw_name, index, offset,
 		 module_type, module_vendor, module_id,
 		 major_version, minor_version, header_len, size, date);
 
 	/* Hard errors */
 	if (major_version != 1) {
-		dev_err(dev, "firmware %s #%d@%08x: major header version "
+		dev_err(dev, "firmware %s #%zd@%08zx: major header version "
 			"v%u.%u not supported\n",
 			i2400m->fw_name, index, offset,
 			major_version, minor_version);
@@ -1198,7 +1206,7 @@ int i2400m_fw_hdr_check(struct i2400m *i2400m,
 	}
 
 	if (module_type != 6) {		/* built for the right hardware? */
-		dev_err(dev, "firmware %s #%d@%08x: unexpected module "
+		dev_err(dev, "firmware %s #%zd@%08zx: unexpected module "
 			"type 0x%x; aborting\n",
 			i2400m->fw_name, index, offset,
 			module_type);
@@ -1206,14 +1214,14 @@ int i2400m_fw_hdr_check(struct i2400m *i2400m,
 	}
 
 	if (module_vendor != 0x8086) {
-		dev_err(dev, "firmware %s #%d@%08x: unexpected module "
+		dev_err(dev, "firmware %s #%zd@%08zx: unexpected module "
 			"vendor 0x%x; aborting\n",
 			i2400m->fw_name, index, offset, module_vendor);
 		return -EBADF;
 	}
 
 	if (date < 0x20080300)
-		dev_warn(dev, "firmware %s #%d@%08x: build date %08x "
+		dev_warn(dev, "firmware %s #%zd@%08zx: build date %08x "
 			 "too old; unsupported\n",
 			 i2400m->fw_name, index, offset, date);
 	return 0;
@@ -1239,7 +1247,7 @@ int i2400m_fw_check(struct i2400m *i2400m, const void *bcf, size_t bcf_size)
 	size_t headers = 0;
 	const struct i2400m_bcf_hdr *bcf_hdr;
 	const void *itr, *next, *top;
-	unsigned slots = 0, used_slots = 0;
+	size_t slots = 0, used_slots = 0;
 
 	for (itr = bcf, top = itr + bcf_size;
 	     itr < top;
@@ -1249,7 +1257,7 @@ int i2400m_fw_check(struct i2400m *i2400m, const void *bcf, size_t bcf_size)
 		leftover = top - itr;
 		offset = itr - (const void *) bcf;
 		if (leftover <= sizeof(*bcf_hdr)) {
-			dev_err(dev, "firmware %s: %zu B left at @%x, "
+			dev_err(dev, "firmware %s: %zu B left at @%zx, "
 				"not enough for BCF header\n",
 				i2400m->fw_name, leftover, offset);
 			break;
@@ -1292,6 +1300,60 @@ error_zrealloc:
 }
 
 
+/*
+ * Match a barker to a BCF header module ID
+ *
+ * The device sends a barker which tells the firmware loader which
+ * header in the BCF file has to be used. This does the matching.
+ */
+static
+unsigned i2400m_bcf_hdr_match(struct i2400m *i2400m,
+			      const struct i2400m_bcf_hdr *bcf_hdr)
+{
+	u32 barker = le32_to_cpu(i2400m->barker->data[0])
+		& 0x7fffffff;
+	u32 module_id = le32_to_cpu(bcf_hdr->module_id)
+		& 0x7fffffff;	/* high bit used for something else */
+
+	/* special case for 5x50 */
+	if (barker == I2400M_SBOOT_BARKER && module_id == 0)
+		return 1;
+	if (module_id == barker)
+		return 1;
+	return 0;
+}
+
+static
+const struct i2400m_bcf_hdr *i2400m_bcf_hdr_find(struct i2400m *i2400m)
+{
+	struct device *dev = i2400m_dev(i2400m);
+	const struct i2400m_bcf_hdr **bcf_itr, *bcf_hdr;
+	unsigned i = 0;
+	u32 barker = le32_to_cpu(i2400m->barker->data[0]);
+
+	d_printf(2, dev, "finding BCF header for barker %08x\n", barker);
+	if (barker == I2400M_NBOOT_BARKER) {
+		bcf_hdr = i2400m->fw_hdrs[0];
+		d_printf(1, dev, "using BCF header #%u/%08x for non-signed "
+			 "barker\n", 0, le32_to_cpu(bcf_hdr->module_id));
+		return bcf_hdr;
+	}
+	for (bcf_itr = i2400m->fw_hdrs; *bcf_itr != NULL; bcf_itr++, i++) {
+		bcf_hdr = *bcf_itr;
+		if (i2400m_bcf_hdr_match(i2400m, bcf_hdr)) {
+			d_printf(1, dev, "hit on BCF hdr #%u/%08x\n",
+				 i, le32_to_cpu(bcf_hdr->module_id));
+			return bcf_hdr;
+		} else
+			d_printf(1, dev, "miss on BCF hdr #%u/%08x\n",
+				 i, le32_to_cpu(bcf_hdr->module_id));
+	}
+	dev_err(dev, "cannot find a matching BCF header for barker %08x\n",
+		barker);
+	return NULL;
+}
+
+
 /*
  * Download the firmware to the device
  *
@@ -1313,6 +1375,7 @@ int i2400m_fw_dnload(struct i2400m *i2400m, const struct i2400m_bcf_hdr *bcf,
 	int ret = 0;
 	struct device *dev = i2400m_dev(i2400m);
 	int count = i2400m->bus_bm_retries;
+	const struct i2400m_bcf_hdr *bcf_hdr;
 
 	d_fnstart(5, dev, "(i2400m %p bcf %p size %zu)\n",
 		  i2400m, bcf, bcf_size);
@@ -1337,8 +1400,17 @@ hw_reboot:
 	 * Initialize the download, push the bytes to the device and
 	 * then jump to the new firmware. Note @ret is passed with the
 	 * offset of the jump instruction to _dnload_finalize()
+	 *
+	 * Note we need to use the BCF header in the firmware image
+	 * that matches the barker that the device sent when it
+	 * rebooted, so it has to be passed along.
 	 */
-	ret = i2400m_dnload_init(i2400m, bcf);	/* Init device's dnload */
+	ret = -EBADF;
+	bcf_hdr = i2400m_bcf_hdr_find(i2400m);
+	if (bcf_hdr == NULL)
+		goto error_bcf_hdr_find;
+
+	ret = i2400m_dnload_init(i2400m, bcf_hdr);
 	if (ret == -ERESTARTSYS)
 		goto error_dev_rebooted;
 	if (ret < 0)
@@ -1353,7 +1425,7 @@ hw_reboot:
 		goto error_dnload_bcf;
 	}
 
-	ret = i2400m_dnload_finalize(i2400m, bcf, ret);
+	ret = i2400m_dnload_finalize(i2400m, bcf_hdr, bcf, ret);
 	if (ret == -ERESTARTSYS)
 		goto error_dev_rebooted;
 	if (ret < 0) {
@@ -1370,6 +1442,7 @@ hw_reboot:
 error_dnload_finalize:
 error_dnload_bcf:
 error_dnload_init:
+error_bcf_hdr_find:
 error_bootrom_init:
 error_too_many_reboots:
 	d_fnend(5, dev, "(i2400m %p bcf %p size %zu) = %d\n",
-- 
GitLab


From f8fc3295570115267ce1ce901f362d13d194aefc Mon Sep 17 00:00:00 2001
From: Cindy H Kao <cindy.h.kao@intel.com>
Date: Fri, 4 Sep 2009 17:38:46 -0700
Subject: [PATCH 0349/1815] wimax/iwmc3200: add new sdio device ID to support
 iwmc3200 2.5GHz sku

Different sdio device IDs are designated to support different intel
wimax silicon sku. The new macro SDIO_DEVICE_ID_IWMC3200_WIMAX_2G5(0x1407)
is added to support iwmc3200 2.5GHz sku.  The existing
SDIO_DEVICE_ID_IWMC3200_WIMAX(0x1402) is for iwmc3200 general sku.

Signed-off-by: Cindy H Kao <cindy.h.kao@intel.com>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/sdio.c | 2 ++
 include/linux/mmc/sdio_ids.h    | 1 +
 2 files changed, 3 insertions(+)

diff --git a/drivers/net/wimax/i2400m/sdio.c b/drivers/net/wimax/i2400m/sdio.c
index 2d2cc5ac6d8..de158ee0c32 100644
--- a/drivers/net/wimax/i2400m/sdio.c
+++ b/drivers/net/wimax/i2400m/sdio.c
@@ -550,6 +550,8 @@ const struct sdio_device_id i2400ms_sdio_ids[] = {
 	/* Intel: i2400m WiMAX (iwmc3200) over SDIO */
 	{ SDIO_DEVICE(SDIO_VENDOR_ID_INTEL,
 		      SDIO_DEVICE_ID_INTEL_IWMC3200WIMAX) },
+	{ SDIO_DEVICE(SDIO_VENDOR_ID_INTEL,
+		      SDIO_DEVICE_ID_INTEL_IWMC3200WIMAX_2G5) },
 	{ /* end: all zeroes */ },
 };
 MODULE_DEVICE_TABLE(sdio, i2400ms_sdio_ids);
diff --git a/include/linux/mmc/sdio_ids.h b/include/linux/mmc/sdio_ids.h
index 2dbfb5a0599..33b2ea09a4a 100644
--- a/include/linux/mmc/sdio_ids.h
+++ b/include/linux/mmc/sdio_ids.h
@@ -28,6 +28,7 @@
 #define SDIO_DEVICE_ID_INTEL_IWMC3200TOP	0x1404
 #define SDIO_DEVICE_ID_INTEL_IWMC3200GPS	0x1405
 #define SDIO_DEVICE_ID_INTEL_IWMC3200BT		0x1406
+#define SDIO_DEVICE_ID_INTEL_IWMC3200WIMAX_2G5	0x1407
 
 #define SDIO_VENDOR_ID_MARVELL			0x02df
 #define SDIO_DEVICE_ID_MARVELL_LIBERTAS		0x9103
-- 
GitLab


From 7329012e673231dee9a21567cfb9881f5ea462ba Mon Sep 17 00:00:00 2001
From: Dirk Brandewie <dirk.j.brandewie@intel.com>
Date: Wed, 12 Aug 2009 11:29:46 -0700
Subject: [PATCH 0350/1815] wimax/i6x50: add Intel WiFi/WiMAX Link 6050 Series
 support

Add support for the WiMAX device in the Intel WiFi/WiMAX Link 6050
Series; this involves:

 - adding the device ID to bind to and an endpoint mapping for the
   driver to use.

 - at probe() time, some things are set depending on the device id:

   + the list of firmware names to try

   + mapping of endpoints

Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/fw.c         |  3 +++
 drivers/net/wimax/i2400m/i2400m-usb.h |  3 +++
 drivers/net/wimax/i2400m/usb.c        | 26 +++++++++++++++++++-------
 include/linux/wimax/i2400m.h          |  1 +
 4 files changed, 26 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wimax/i2400m/fw.c b/drivers/net/wimax/i2400m/fw.c
index 84a39c30c3d..5719f4a4080 100644
--- a/drivers/net/wimax/i2400m/fw.c
+++ b/drivers/net/wimax/i2400m/fw.c
@@ -277,6 +277,9 @@ int i2400m_barker_db_known_barkers(void)
 	result = i2400m_barker_db_add(I2400M_SBOOT_BARKER);
 	if (result < 0)
 		goto error_add;
+	result = i2400m_barker_db_add(I2400M_SBOOT_BARKER_6050);
+	if (result < 0)
+		goto error_add;
 error_add:
        return result;
 }
diff --git a/drivers/net/wimax/i2400m/i2400m-usb.h b/drivers/net/wimax/i2400m/i2400m-usb.h
index f73a067e066..5cc0f279417 100644
--- a/drivers/net/wimax/i2400m/i2400m-usb.h
+++ b/drivers/net/wimax/i2400m/i2400m-usb.h
@@ -148,6 +148,9 @@ enum {
 	I2400MU_MAX_NOTIFICATION_LEN = 256,
 	I2400MU_BLK_SIZE = 16,
 	I2400MU_PL_SIZE_MAX = 0x3EFF,
+
+	/* Device IDs */
+	USB_DEVICE_ID_I6050 = 0x0186,
 };
 
 
diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c
index 063422290a4..77d08d92827 100644
--- a/drivers/net/wimax/i2400m/usb.c
+++ b/drivers/net/wimax/i2400m/usb.c
@@ -80,11 +80,16 @@ MODULE_PARM_DESC(debug,
 		 "initial debug value to set.");
 
 /* Our firmware file name */
-static const char *i2400mu_bus_fw_names[] = {
+static const char *i2400mu_bus_fw_names_5x50[] = {
 #define I2400MU_FW_FILE_NAME_v1_4 "i2400m-fw-usb-1.4.sbcf"
 	I2400MU_FW_FILE_NAME_v1_4,
-#define I2400MU_FW_FILE_NAME_v1_3 "i2400m-fw-usb-1.3.sbcf"
-	I2400MU_FW_FILE_NAME_v1_3,
+	NULL,
+};
+
+
+static const char *i2400mu_bus_fw_names_6050[] = {
+#define I6050U_FW_FILE_NAME_v1_5 "i6050-fw-usb-1.5.sbcf"
+	I6050U_FW_FILE_NAME_v1_5,
 	NULL,
 };
 
@@ -418,10 +423,16 @@ int i2400mu_probe(struct usb_interface *iface,
 	i2400m->bus_bm_retries = I2400M_USB_BOOT_RETRIES;
 	i2400m->bus_bm_cmd_send = i2400mu_bus_bm_cmd_send;
 	i2400m->bus_bm_wait_for_ack = i2400mu_bus_bm_wait_for_ack;
-	i2400m->bus_fw_names = i2400mu_bus_fw_names;
 	i2400m->bus_bm_mac_addr_impaired = 0;
 
-	{
+	if (id->idProduct == USB_DEVICE_ID_I6050) {
+		i2400m->bus_fw_names = i2400mu_bus_fw_names_6050;
+		i2400mu->endpoint_cfg.bulk_out = 0;
+		i2400mu->endpoint_cfg.notification = 3;
+		i2400mu->endpoint_cfg.reset_cold = 2;
+		i2400mu->endpoint_cfg.bulk_in = 1;
+	} else {
+		i2400m->bus_fw_names = i2400mu_bus_fw_names_5x50;
 		i2400mu->endpoint_cfg.bulk_out = 0;
 		i2400mu->endpoint_cfg.notification = 1;
 		i2400mu->endpoint_cfg.reset_cold = 2;
@@ -614,6 +625,7 @@ out:
 
 static
 struct usb_device_id i2400mu_id_table[] = {
+	{ USB_DEVICE(0x8086, USB_DEVICE_ID_I6050) },
 	{ USB_DEVICE(0x8086, 0x0181) },
 	{ USB_DEVICE(0x8086, 0x1403) },
 	{ USB_DEVICE(0x8086, 0x1405) },
@@ -656,7 +668,7 @@ void __exit i2400mu_driver_exit(void)
 module_exit(i2400mu_driver_exit);
 
 MODULE_AUTHOR("Intel Corporation <linux-wimax@intel.com>");
-MODULE_DESCRIPTION("Intel 2400M WiMAX networking for USB");
+MODULE_DESCRIPTION("Driver for USB based Intel Wireless WiMAX Connection 2400M "
+		   "(5x50 & 6050)");
 MODULE_LICENSE("GPL");
 MODULE_FIRMWARE(I2400MU_FW_FILE_NAME_v1_4);
-MODULE_FIRMWARE(I2400MU_FW_FILE_NAME_v1_3);
diff --git a/include/linux/wimax/i2400m.h b/include/linux/wimax/i2400m.h
index fd5af05083c..62d35615356 100644
--- a/include/linux/wimax/i2400m.h
+++ b/include/linux/wimax/i2400m.h
@@ -266,6 +266,7 @@ enum {
 	I2400M_WARM_RESET_BARKER = 0x50f750f7,
 	I2400M_NBOOT_BARKER = 0xdeadbeef,
 	I2400M_SBOOT_BARKER = 0x0ff1c1a1,
+	I2400M_SBOOT_BARKER_6050 = 0x80000001,
 	I2400M_ACK_BARKER = 0xfeedbabe,
 	I2400M_D2H_MSG_BARKER = 0xbeefbabe,
 };
-- 
GitLab


From b0fbcb2a0b54ee201fa8af61fdebe14c050f18fe Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Mon, 14 Sep 2009 13:29:32 -0700
Subject: [PATCH 0351/1815] wimax/i2400m: clean up & add a payload argument to
 i2400m_schedule_work()

Forthcoming commits use having a payload argument added to
i2400m_schedule_work(), which then becomes nearly identical to
i2400m_queue_work().

This patch thus cleans up both's implementation, making it share
common helpers and adding the payload argument to
i2400m_schedule_work().

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/driver.c | 52 ++++++++++++++++++++-----------
 drivers/net/wimax/i2400m/i2400m.h |  6 ++--
 2 files changed, 37 insertions(+), 21 deletions(-)

diff --git a/drivers/net/wimax/i2400m/driver.c b/drivers/net/wimax/i2400m/driver.c
index 73f45ea010a..5803a2bfd6a 100644
--- a/drivers/net/wimax/i2400m/driver.c
+++ b/drivers/net/wimax/i2400m/driver.c
@@ -107,6 +107,24 @@ MODULE_PARM_DESC(barkers,
 		 "signal; values are appended to a list--setting one value "
 		 "as zero cleans the existing list and starts a new one.");
 
+static
+struct i2400m_work *__i2400m_work_setup(
+	struct i2400m *i2400m, void (*fn)(struct work_struct *),
+	gfp_t gfp_flags, const void *pl, size_t pl_size)
+{
+	struct i2400m_work *iw;
+
+	iw = kzalloc(sizeof(*iw) + pl_size, gfp_flags);
+	if (iw == NULL)
+		return NULL;
+	iw->i2400m = i2400m_get(i2400m);
+	iw->pl_size = pl_size;
+	memcpy(iw->pl, pl, pl_size);
+	INIT_WORK(&iw->ws, fn);
+	return iw;
+}
+
+
 /**
  * i2400m_queue_work - schedule work on a i2400m's queue
  *
@@ -166,14 +184,12 @@ int i2400m_queue_work(struct i2400m *i2400m,
 
 	BUG_ON(i2400m->work_queue == NULL);
 	result = -ENOMEM;
-	iw = kzalloc(sizeof(*iw) + pl_size, gfp_flags);
-	if (iw == NULL)
-		goto error_kzalloc;
-	iw->i2400m = i2400m_get(i2400m);
-	memcpy(iw->pl, pl, pl_size);
-	INIT_WORK(&iw->ws, fn);
-	result = queue_work(i2400m->work_queue, &iw->ws);
-error_kzalloc:
+	iw = __i2400m_work_setup(i2400m, fn, gfp_flags, pl, pl_size);
+	if (iw != NULL) {
+		result = queue_work(i2400m->work_queue, &iw->ws);
+		if (WARN_ON(result == 0))
+			result = -ENXIO;
+	}
 	return result;
 }
 EXPORT_SYMBOL_GPL(i2400m_queue_work);
@@ -192,21 +208,19 @@ EXPORT_SYMBOL_GPL(i2400m_queue_work);
  * it should not happen.
  */
 int i2400m_schedule_work(struct i2400m *i2400m,
-			 void (*fn)(struct work_struct *), gfp_t gfp_flags)
+			 void (*fn)(struct work_struct *), gfp_t gfp_flags,
+			 const void *pl, size_t pl_size)
 {
 	int result;
 	struct i2400m_work *iw;
 
 	result = -ENOMEM;
-	iw = kzalloc(sizeof(*iw), gfp_flags);
-	if (iw == NULL)
-		goto error_kzalloc;
-	iw->i2400m = i2400m_get(i2400m);
-	INIT_WORK(&iw->ws, fn);
-	result = schedule_work(&iw->ws);
-	if (result == 0)
-		result = -ENXIO;
-error_kzalloc:
+	iw = __i2400m_work_setup(i2400m, fn, gfp_flags, pl, pl_size);
+	if (iw != NULL) {
+		result = schedule_work(&iw->ws);
+		if (WARN_ON(result == 0))
+			result = -ENXIO;
+	}
 	return result;
 }
 
@@ -630,7 +644,7 @@ int i2400m_dev_reset_handle(struct i2400m *i2400m)
 	i2400m->boot_mode = 1;
 	wmb();		/* Make sure i2400m_msg_to_dev() sees boot_mode */
 	return i2400m_schedule_work(i2400m, __i2400m_dev_reset_handle,
-				    GFP_ATOMIC);
+				    GFP_ATOMIC, NULL, 0);
 }
 EXPORT_SYMBOL_GPL(i2400m_dev_reset_handle);
 
diff --git a/drivers/net/wimax/i2400m/i2400m.h b/drivers/net/wimax/i2400m/i2400m.h
index 5ac2cce88ba..700f87be4ac 100644
--- a/drivers/net/wimax/i2400m/i2400m.h
+++ b/drivers/net/wimax/i2400m/i2400m.h
@@ -695,8 +695,6 @@ extern void i2400m_dev_shutdown(struct i2400m *);
 
 extern struct attribute_group i2400m_dev_attr_group;
 
-extern int i2400m_schedule_work(struct i2400m *,
-				void (*)(struct work_struct *), gfp_t);
 
 /* HDI message's payload description handling */
 
@@ -778,10 +776,14 @@ struct device *i2400m_dev(struct i2400m *i2400m)
 struct i2400m_work {
 	struct work_struct ws;
 	struct i2400m *i2400m;
+	size_t pl_size;
 	u8 pl[0];
 };
 extern int i2400m_queue_work(struct i2400m *,
 			     void (*)(struct work_struct *), gfp_t,
+			     const void *, size_t);
+extern int i2400m_schedule_work(struct i2400m *,
+				void (*)(struct work_struct *), gfp_t,
 				const void *, size_t);
 
 extern int i2400m_msg_check_status(const struct i2400m_l3l4_hdr *,
-- 
GitLab


From 3ef6129e57b04c116b1907b72c7a20720e6dde75 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Mon, 14 Sep 2009 14:05:19 -0700
Subject: [PATCH 0352/1815] wimax/i2400m: add reason argument to
 i2400m_dev_reset_handle()

In preparation for reset_resume support, in which the same code path
is going to be used, add a diagnostic message to dev_reset_handle()
that can be used to distinguish how the device got there.

This uses the new payload argument added to i2400m_schedule_work() by
the previous commit.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/driver.c    | 27 +++++++++++++++++++--------
 drivers/net/wimax/i2400m/i2400m.h    |  2 +-
 drivers/net/wimax/i2400m/sdio-rx.c   |  2 +-
 drivers/net/wimax/i2400m/usb-notif.c |  2 +-
 4 files changed, 22 insertions(+), 11 deletions(-)

diff --git a/drivers/net/wimax/i2400m/driver.c b/drivers/net/wimax/i2400m/driver.c
index 5803a2bfd6a..f07d8527b03 100644
--- a/drivers/net/wimax/i2400m/driver.c
+++ b/drivers/net/wimax/i2400m/driver.c
@@ -573,18 +573,28 @@ void i2400m_dev_stop(struct i2400m *i2400m)
  *       _stop()], don't do anything, let it fail and handle it.
  *
  * This function is ran always in a thread context
+ *
+ * This function gets passed, as payload to i2400m_work() a 'const
+ * char *' ptr with a "reason" why the reset happened (for messages).
  */
 static
 void __i2400m_dev_reset_handle(struct work_struct *ws)
 {
 	int result;
 	struct i2400m_work *iw = container_of(ws, struct i2400m_work, ws);
+	const char *reason;
 	struct i2400m *i2400m = iw->i2400m;
 	struct device *dev = i2400m_dev(i2400m);
 	enum wimax_st wimax_state;
 	struct i2400m_reset_ctx *ctx = i2400m->reset_ctx;
 
-	d_fnstart(3, dev, "(ws %p i2400m %p)\n", ws, i2400m);
+	if (WARN_ON(iw->pl_size != sizeof(reason)))
+		reason = "SW BUG: reason n/a";
+	else
+		memcpy(&reason, iw->pl, sizeof(reason));
+
+	d_fnstart(3, dev, "(ws %p i2400m %p reason %s)\n", ws, i2400m, reason);
+
 	result = 0;
 	if (mutex_trylock(&i2400m->init_mutex) == 0) {
 		/* We are still in i2400m_dev_start() [let it fail] or
@@ -597,17 +607,17 @@ void __i2400m_dev_reset_handle(struct work_struct *ws)
 	}
 	wimax_state = wimax_state_get(&i2400m->wimax_dev);
 	if (wimax_state < WIMAX_ST_UNINITIALIZED) {
-		dev_info(dev, "device rebooted: it is down, ignoring\n");
+		dev_info(dev, "%s: it is down, ignoring\n", reason);
 		goto out_unlock;	/* ifconfig up/down wasn't called */
 	}
-	dev_err(dev, "device rebooted: reinitializing driver\n");
+	dev_err(dev, "%s: reinitializing driver\n", reason);
 	__i2400m_dev_stop(i2400m);
 	i2400m->updown = 0;
 	result = __i2400m_dev_start(i2400m,
 				    I2400M_BRI_SOFT | I2400M_BRI_MAC_REINIT);
 	if (result < 0) {
-		dev_err(dev, "device reboot: cannot start the device: %d\n",
-			result);
+		dev_err(dev, "%s: cannot start the device: %d\n",
+			reason, result);
 		result = i2400m->bus_reset(i2400m, I2400M_RT_BUS);
 		if (result >= 0)
 			result = -ENODEV;
@@ -622,7 +632,8 @@ out_unlock:
 out:
 	i2400m_put(i2400m);
 	kfree(iw);
-	d_fnend(3, dev, "(ws %p i2400m %p) = void\n", ws, i2400m);
+	d_fnend(3, dev, "(ws %p i2400m %p reason %s) = void\n",
+		ws, i2400m, reason);
 	return;
 }
 
@@ -639,12 +650,12 @@ out:
  * reinitializing the driver to handle the reset, calling into the
  * bus-specific functions ops as needed.
  */
-int i2400m_dev_reset_handle(struct i2400m *i2400m)
+int i2400m_dev_reset_handle(struct i2400m *i2400m, const char *reason)
 {
 	i2400m->boot_mode = 1;
 	wmb();		/* Make sure i2400m_msg_to_dev() sees boot_mode */
 	return i2400m_schedule_work(i2400m, __i2400m_dev_reset_handle,
-				    GFP_ATOMIC, NULL, 0);
+				    GFP_ATOMIC, &reason, sizeof(reason));
 }
 EXPORT_SYMBOL_GPL(i2400m_dev_reset_handle);
 
diff --git a/drivers/net/wimax/i2400m/i2400m.h b/drivers/net/wimax/i2400m/i2400m.h
index 700f87be4ac..0c165de89b2 100644
--- a/drivers/net/wimax/i2400m/i2400m.h
+++ b/drivers/net/wimax/i2400m/i2400m.h
@@ -739,7 +739,7 @@ void i2400m_put(struct i2400m *i2400m)
 	dev_put(i2400m->wimax_dev.net_dev);
 }
 
-extern int i2400m_dev_reset_handle(struct i2400m *);
+extern int i2400m_dev_reset_handle(struct i2400m *, const char *);
 extern int i2400m_bm_buf_alloc(struct i2400m *i2400m);
 extern void i2400m_bm_buf_free(struct i2400m *i2400m);
 
diff --git a/drivers/net/wimax/i2400m/sdio-rx.c b/drivers/net/wimax/i2400m/sdio-rx.c
index 87263be4eed..98ee7fdfd62 100644
--- a/drivers/net/wimax/i2400m/sdio-rx.c
+++ b/drivers/net/wimax/i2400m/sdio-rx.c
@@ -179,7 +179,7 @@ void i2400ms_rx(struct i2400ms *i2400ms)
 		i2400m_rx(i2400m, skb);
 	} else if (unlikely(i2400m_is_boot_barker(i2400m,
 						  skb->data, rx_size))) {
-		ret = i2400m_dev_reset_handle(i2400m);
+		ret = i2400m_dev_reset_handle(i2400m, "device rebooted");
 		dev_err(dev, "RX: SDIO reboot barker\n");
 		kfree_skb(skb);
 	} else {
diff --git a/drivers/net/wimax/i2400m/usb-notif.c b/drivers/net/wimax/i2400m/usb-notif.c
index a0751a347cd..f88d1c6e35c 100644
--- a/drivers/net/wimax/i2400m/usb-notif.c
+++ b/drivers/net/wimax/i2400m/usb-notif.c
@@ -98,7 +98,7 @@ int i2400mu_notification_grok(struct i2400mu *i2400mu, const void *buf,
 	}
 	ret = i2400m_is_boot_barker(i2400m, buf, buf_len);
 	if (unlikely(ret >= 0))
-		ret = i2400m_dev_reset_handle(i2400m);
+		ret = i2400m_dev_reset_handle(i2400m, "device rebooted");
 	else	/* Unknown or unexpected data in the notif message */
 		i2400m_unknown_barker(i2400m, buf, buf_len);
 error_bad_size:
-- 
GitLab


From 7b43ca708a767a5f68eeeb732c569c0f11a7d6f7 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Mon, 14 Sep 2009 14:10:16 -0700
Subject: [PATCH 0353/1815] wimax/i2400m: cache firmware on system suspend

In preparation for a reset_resume implementation, have the firmware
image be cached in memory when the system goes to suspend and released
when out.

This is needed in case the device resets during suspend; the driver
can't load firmware until resume is completed or bad deadlocks
happen.

The modus operandi for this was copied from the Orinoco USB driver.

The caching is done with a kobject to avoid race conditions when
releasing it. The fw loader path is altered only to first check for a
cached image before trying to load from disk. A Power Management event
notifier is register to call i2400m_fw_cache() or i2400m_fw_uncache()
which take care of the actual cache management.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/driver.c |  51 ++++++++++
 drivers/net/wimax/i2400m/fw.c     | 159 +++++++++++++++++++++++++++---
 drivers/net/wimax/i2400m/i2400m.h |  16 +++
 3 files changed, 213 insertions(+), 13 deletions(-)

diff --git a/drivers/net/wimax/i2400m/driver.c b/drivers/net/wimax/i2400m/driver.c
index f07d8527b03..07d12be0cf8 100644
--- a/drivers/net/wimax/i2400m/driver.c
+++ b/drivers/net/wimax/i2400m/driver.c
@@ -66,6 +66,7 @@
 #include <linux/wimax/i2400m.h>
 #include <linux/module.h>
 #include <linux/moduleparam.h>
+#include <linux/suspend.h>
 
 #define D_SUBMODULE driver
 #include "debug-levels.h"
@@ -554,6 +555,51 @@ void i2400m_dev_stop(struct i2400m *i2400m)
 }
 
 
+/*
+ * Listen to PM events to cache the firmware before suspend/hibernation
+ *
+ * When the device comes out of suspend, it might go into reset and
+ * firmware has to be uploaded again. At resume, most of the times, we
+ * can't load firmware images from disk, so we need to cache it.
+ *
+ * i2400m_fw_cache() will allocate a kobject and attach the firmware
+ * to it; that way we don't have to worry too much about the fw loader
+ * hitting a race condition.
+ *
+ * Note: modus operandi stolen from the Orinoco driver; thx.
+ */
+static
+int i2400m_pm_notifier(struct notifier_block *notifier,
+		       unsigned long pm_event,
+		       void *unused)
+{
+	struct i2400m *i2400m =
+		container_of(notifier, struct i2400m, pm_notifier);
+	struct device *dev = i2400m_dev(i2400m);
+
+	d_fnstart(3, dev, "(i2400m %p pm_event %lx)\n", i2400m, pm_event);
+	switch (pm_event) {
+	case PM_HIBERNATION_PREPARE:
+	case PM_SUSPEND_PREPARE:
+		i2400m_fw_cache(i2400m);
+		break;
+	case PM_POST_RESTORE:
+		/* Restore from hibernation failed. We need to clean
+		 * up in exactly the same way, so fall through. */
+	case PM_POST_HIBERNATION:
+	case PM_POST_SUSPEND:
+		i2400m_fw_uncache(i2400m);
+		break;
+
+	case PM_RESTORE_PREPARE:
+	default:
+		break;
+	}
+	d_fnend(3, dev, "(i2400m %p pm_event %lx) = void\n", i2400m, pm_event);
+	return NOTIFY_DONE;
+}
+
+
 /*
  * The device has rebooted; fix up the device and the driver
  *
@@ -738,6 +784,9 @@ int i2400m_setup(struct i2400m *i2400m, enum i2400m_bri bm_flags)
 		goto error_read_mac_addr;
 	random_ether_addr(i2400m->src_mac_addr);
 
+	i2400m->pm_notifier.notifier_call = i2400m_pm_notifier;
+	register_pm_notifier(&i2400m->pm_notifier);
+
 	result = register_netdev(net_dev);	/* Okey dokey, bring it up */
 	if (result < 0) {
 		dev_err(dev, "cannot register i2400m network device: %d\n",
@@ -783,6 +832,7 @@ error_wimax_dev_add:
 error_dev_start:
 	unregister_netdev(net_dev);
 error_register_netdev:
+	unregister_pm_notifier(&i2400m->pm_notifier);
 error_read_mac_addr:
 error_bootrom_init:
 	d_fnend(3, dev, "(i2400m %p) = %d\n", i2400m, result);
@@ -809,6 +859,7 @@ void i2400m_release(struct i2400m *i2400m)
 	wimax_dev_rm(&i2400m->wimax_dev);
 	i2400m_dev_stop(i2400m);
 	unregister_netdev(i2400m->wimax_dev.net_dev);
+	unregister_pm_notifier(&i2400m->pm_notifier);
 	kfree(i2400m->bm_ack_buf);
 	kfree(i2400m->bm_cmd_buf);
 	d_fnend(3, dev, "(i2400m %p) = void\n", i2400m);
diff --git a/drivers/net/wimax/i2400m/fw.c b/drivers/net/wimax/i2400m/fw.c
index 5719f4a4080..69f9e45eafb 100644
--- a/drivers/net/wimax/i2400m/fw.c
+++ b/drivers/net/wimax/i2400m/fw.c
@@ -105,6 +105,13 @@
  * read an acknolwedgement from it (or an asynchronous notification)
  * from it.
  *
+ * FIRMWARE LOADING
+ *
+ * Note that in some cases, we can't just load a firmware file (for
+ * example, when resuming). For that, we might cache the firmware
+ * file. Thus, when doing the bootstrap, if there is a cache firmware
+ * file, it is used; if not, loading from disk is attempted.
+ *
  * ROADMAP
  *
  * i2400m_barker_db_init              Called by i2400m_driver_init()
@@ -114,9 +121,10 @@
  *
  * i2400m_dev_bootstrap               Called by __i2400m_dev_start()
  *   request_firmware
- *   i2400m_fw_check
- *     i2400m_fw_hdr_check
- *   i2400m_fw_dnload
+ *   i2400m_fw_bootstrap
+ *     i2400m_fw_check
+ *       i2400m_fw_hdr_check
+ *     i2400m_fw_dnload
  *   release_firmware
  *
  * i2400m_fw_dnload
@@ -141,6 +149,10 @@
  *
  * i2400m_bm_cmd_prepare              Used by bus-drivers to prep
  *                                    commands before sending
+ *
+ * i2400m_pm_notifier                 Called on Power Management events
+ *   i2400m_fw_cache
+ *   i2400m_fw_uncache
  */
 #include <linux/firmware.h>
 #include <linux/sched.h>
@@ -1459,6 +1471,61 @@ error_dev_rebooted:
 	goto hw_reboot;
 }
 
+static
+int i2400m_fw_bootstrap(struct i2400m *i2400m, const struct firmware *fw,
+			enum i2400m_bri flags)
+{
+	int ret;
+	struct device *dev = i2400m_dev(i2400m);
+	const struct i2400m_bcf_hdr *bcf;	/* Firmware data */
+
+	d_fnstart(5, dev, "(i2400m %p)\n", i2400m);
+	bcf = (void *) fw->data;
+	ret = i2400m_fw_check(i2400m, bcf, fw->size);
+	if (ret >= 0)
+		ret = i2400m_fw_dnload(i2400m, bcf, fw->size, flags);
+	if (ret < 0)
+		dev_err(dev, "%s: cannot use: %d, skipping\n",
+			i2400m->fw_name, ret);
+	kfree(i2400m->fw_hdrs);
+	i2400m->fw_hdrs = NULL;
+	d_fnend(5, dev, "(i2400m %p) = %d\n", i2400m, ret);
+	return ret;
+}
+
+
+/* Refcounted container for firmware data */
+struct i2400m_fw {
+	struct kref kref;
+	const struct firmware *fw;
+};
+
+
+static
+void i2400m_fw_destroy(struct kref *kref)
+{
+	struct i2400m_fw *i2400m_fw =
+		container_of(kref, struct i2400m_fw, kref);
+	release_firmware(i2400m_fw->fw);
+	kfree(i2400m_fw);
+}
+
+
+static
+struct i2400m_fw *i2400m_fw_get(struct i2400m_fw *i2400m_fw)
+{
+	if (i2400m_fw != NULL && i2400m_fw != (void *) ~0)
+		kref_get(&i2400m_fw->kref);
+	return i2400m_fw;
+}
+
+
+static
+void i2400m_fw_put(struct i2400m_fw *i2400m_fw)
+{
+	kref_put(&i2400m_fw->kref, i2400m_fw_destroy);
+}
+
 
 /**
  * i2400m_dev_bootstrap - Bring the device to a known state and upload firmware
@@ -1479,12 +1546,28 @@ int i2400m_dev_bootstrap(struct i2400m *i2400m, enum i2400m_bri flags)
 {
 	int ret, itr;
 	struct device *dev = i2400m_dev(i2400m);
-	const struct firmware *fw;
+	struct i2400m_fw *i2400m_fw;
 	const struct i2400m_bcf_hdr *bcf;	/* Firmware data */
+	const struct firmware *fw;
 	const char *fw_name;
 
 	d_fnstart(5, dev, "(i2400m %p)\n", i2400m);
 
+	ret = -ENODEV;
+	spin_lock(&i2400m->rx_lock);
+	i2400m_fw = i2400m_fw_get(i2400m->fw_cached);
+	spin_unlock(&i2400m->rx_lock);
+	if (i2400m_fw == (void *) ~0) {
+		dev_err(dev, "can't load firmware now!");
+		goto out;
+	} else if (i2400m_fw != NULL) {
+		dev_info(dev, "firmware %s: loading from cache\n",
+			 i2400m->fw_name);
+		ret = i2400m_fw_bootstrap(i2400m, i2400m_fw->fw, flags);
+		i2400m_fw_put(i2400m_fw);
+		goto out;
+	}
+
 	/* Load firmware files to memory. */
 	for (itr = 0, bcf = NULL, ret = -ENOENT; ; itr++) {
 		fw_name = i2400m->bus_fw_names[itr];
@@ -1500,21 +1583,71 @@ int i2400m_dev_bootstrap(struct i2400m *i2400m, enum i2400m_bri flags)
 				fw_name, ret);
 			continue;
 		}
-		bcf = (void *) fw->data;
 		i2400m->fw_name = fw_name;
-		ret = i2400m_fw_check(i2400m, bcf, fw->size);
-		if (ret >= 0)
-			ret = i2400m_fw_dnload(i2400m, bcf, fw->size, flags);
-		if (ret < 0)
-			dev_err(dev, "%s: cannot use: %d, skipping\n",
-				fw_name, ret);
-		kfree(i2400m->fw_hdrs);
-		i2400m->fw_hdrs = NULL;
+		ret = i2400m_fw_bootstrap(i2400m, fw, flags);
 		release_firmware(fw);
 		if (ret >= 0)	/* firmware loaded succesfully */
 			break;
+		i2400m->fw_name = NULL;
 	}
+out:
 	d_fnend(5, dev, "(i2400m %p) = %d\n", i2400m, ret);
 	return ret;
 }
 EXPORT_SYMBOL_GPL(i2400m_dev_bootstrap);
+
+
+void i2400m_fw_cache(struct i2400m *i2400m)
+{
+	int result;
+	struct i2400m_fw *i2400m_fw;
+	struct device *dev = i2400m_dev(i2400m);
+
+	/* if there is anything there, free it -- now, this'd be weird */
+	spin_lock(&i2400m->rx_lock);
+	i2400m_fw = i2400m->fw_cached;
+	spin_unlock(&i2400m->rx_lock);
+	if (i2400m_fw != NULL && i2400m_fw != (void *) ~0) {
+		i2400m_fw_put(i2400m_fw);
+		WARN(1, "%s:%u: still cached fw still present?\n",
+		     __func__, __LINE__);
+	}
+
+	if (i2400m->fw_name == NULL) {
+		dev_err(dev, "firmware n/a: can't cache\n");
+		i2400m_fw = (void *) ~0;
+		goto out;
+	}
+
+	i2400m_fw = kzalloc(sizeof(*i2400m_fw), GFP_ATOMIC);
+	if (i2400m_fw == NULL)
+		goto out;
+	kref_init(&i2400m_fw->kref);
+	result = request_firmware(&i2400m_fw->fw, i2400m->fw_name, dev);
+	if (result < 0) {
+		dev_err(dev, "firmware %s: failed to cache: %d\n",
+			i2400m->fw_name, result);
+		kfree(i2400m_fw);
+		i2400m_fw = (void *) ~0;
+	} else
+		dev_info(dev, "firmware %s: cached\n", i2400m->fw_name);
+out:
+	spin_lock(&i2400m->rx_lock);
+	i2400m->fw_cached = i2400m_fw;
+	spin_unlock(&i2400m->rx_lock);
+}
+
+
+void i2400m_fw_uncache(struct i2400m *i2400m)
+{
+	struct i2400m_fw *i2400m_fw;
+
+	spin_lock(&i2400m->rx_lock);
+	i2400m_fw = i2400m->fw_cached;
+	i2400m->fw_cached = NULL;
+	spin_unlock(&i2400m->rx_lock);
+
+	if (i2400m_fw != NULL && i2400m_fw != (void *) ~0)
+		i2400m_fw_put(i2400m_fw);
+}
+
diff --git a/drivers/net/wimax/i2400m/i2400m.h b/drivers/net/wimax/i2400m/i2400m.h
index 0c165de89b2..916b1d31929 100644
--- a/drivers/net/wimax/i2400m/i2400m.h
+++ b/drivers/net/wimax/i2400m/i2400m.h
@@ -424,11 +424,21 @@ struct i2400m_barker_db;
  * @fw_hdrs: NULL terminated array of pointers to the firmware
  *     headers. This is only available during firmware load time.
  *
+ * @fw_cached: Used to cache firmware when the system goes to
+ *     suspend/standby/hibernation (as on resume we can't read it). If
+ *     NULL, no firmware was cached, read it. If ~0, you can't read
+ *     any firmware files (the system still didn't come out of suspend
+ *     and failed to cache one), so abort; otherwise, a valid cached
+ *     firmware to be used. Access to this variable is protected by
+ *     the spinlock i2400m->rx_lock.
+ *
  * @barker: barker type that the device uses; this is initialized by
  *     i2400m_is_boot_barker() the first time it is called. Then it
  *     won't change during the life cycle of the device and everytime
  *     a boot barker is received, it is just verified for it being the
  *     same.
+ *
+ * @pm_notifier: used to register for PM events
  */
 struct i2400m {
 	struct wimax_dev wimax_dev;	/* FIRST! See doc */
@@ -495,7 +505,10 @@ struct i2400m {
 	const char *fw_name;		/* name of the current firmware image */
 	unsigned long fw_version;	/* version of the firmware interface */
 	const struct i2400m_bcf_hdr **fw_hdrs;
+	struct i2400m_fw *fw_cached;	/* protected by rx_lock */
 	struct i2400m_barker_db *barker;
+
+	struct notifier_block pm_notifier;
 };
 
 
@@ -671,6 +684,9 @@ extern void i2400m_tx_release(struct i2400m *);
 extern int i2400m_rx_setup(struct i2400m *);
 extern void i2400m_rx_release(struct i2400m *);
 
+extern void i2400m_fw_cache(struct i2400m *);
+extern void i2400m_fw_uncache(struct i2400m *);
+
 extern void i2400m_net_rx(struct i2400m *, struct sk_buff *, unsigned,
 			  const void *, int);
 extern void i2400m_net_erx(struct i2400m *, struct sk_buff *,
-- 
GitLab


From 1a5a73c0c5459f991b871855eb36099df65ecb7e Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Mon, 14 Sep 2009 15:28:14 -0700
Subject: [PATCH 0354/1815] wimax/i2400m: implement .reset_resume in USB
 subdriver

Current driver didn't implement the .reset_resume method. The i2400m
normally always reset on a comeback from system standby/hibernation.

This requires previously applied commits to cache the firmware image
file.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/usb.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c
index 77d08d92827..07653ded6c5 100644
--- a/drivers/net/wimax/i2400m/usb.c
+++ b/drivers/net/wimax/i2400m/usb.c
@@ -623,6 +623,21 @@ out:
 }
 
 
+static
+int i2400mu_reset_resume(struct usb_interface *iface)
+{
+	int result;
+	struct device *dev = &iface->dev;
+	struct i2400mu *i2400mu = usb_get_intfdata(iface);
+	struct i2400m *i2400m = &i2400mu->i2400m;
+
+	d_fnstart(3, dev, "(iface %p)\n", iface);
+	result = i2400m_dev_reset_handle(i2400m, "device reset on resume");
+	d_fnend(3, dev, "(iface %p) = %d\n", iface, result);
+	return result < 0 ? result : 0;
+}
+
+
 static
 struct usb_device_id i2400mu_id_table[] = {
 	{ USB_DEVICE(0x8086, USB_DEVICE_ID_I6050) },
@@ -643,6 +658,7 @@ struct usb_driver i2400mu_driver = {
 	.name = KBUILD_MODNAME,
 	.suspend = i2400mu_suspend,
 	.resume = i2400mu_resume,
+	.reset_resume = i2400mu_reset_resume,
 	.probe = i2400mu_probe,
 	.disconnect = i2400mu_disconnect,
 	.id_table = i2400mu_id_table,
-- 
GitLab


From cb5b756f746b77c5323ae413a41e9a40ea33c453 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Tue, 15 Sep 2009 15:25:20 -0700
Subject: [PATCH 0355/1815] wimax/i2400m: don't overwrite error codes when
 failing to load firmware

Make sure that i2400m_dev_bootstrap() doesn't overwrite the last known
error code with -ENOENT; when a firmware fails to load, we want to
know the cause and not a generic error code.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/fw.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/net/wimax/i2400m/fw.c b/drivers/net/wimax/i2400m/fw.c
index 69f9e45eafb..3d67bcfc7b5 100644
--- a/drivers/net/wimax/i2400m/fw.c
+++ b/drivers/net/wimax/i2400m/fw.c
@@ -1573,7 +1573,6 @@ int i2400m_dev_bootstrap(struct i2400m *i2400m, enum i2400m_bri flags)
 		fw_name = i2400m->bus_fw_names[itr];
 		if (fw_name == NULL) {
 			dev_err(dev, "Could not find a usable firmware image\n");
-			ret = -ENOENT;
 			break;
 		}
 		d_printf(1, dev, "trying firmware %s (%d)\n", fw_name, itr);
-- 
GitLab


From ac53aed9349242095a780f57ac0c995fb170c950 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Wed, 16 Sep 2009 16:30:39 -0700
Subject: [PATCH 0356/1815] wimax/i2400m: on device stop, clean up pending wake
 & TX work

When the i2400m device needs to wake up an idle WiMAX connection, it
schedules a workqueue job to do it.

Currently, only when the network stack called the _stop() method this
work struct was being cancelled. This has to be done every time the
device is stopped.

So add a call in i2400m_dev_stop() to take care of such cleanup, which
is now wrapped in i2400m_net_wake_stop().

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/driver.c |  1 +
 drivers/net/wimax/i2400m/i2400m.h |  1 +
 drivers/net/wimax/i2400m/netdev.c | 53 +++++++++++++++++++------------
 3 files changed, 35 insertions(+), 20 deletions(-)

diff --git a/drivers/net/wimax/i2400m/driver.c b/drivers/net/wimax/i2400m/driver.c
index 07d12be0cf8..a33df043102 100644
--- a/drivers/net/wimax/i2400m/driver.c
+++ b/drivers/net/wimax/i2400m/driver.c
@@ -527,6 +527,7 @@ void __i2400m_dev_stop(struct i2400m *i2400m)
 
 	d_fnstart(3, dev, "(i2400m %p)\n", i2400m);
 	wimax_state_change(wimax_dev, __WIMAX_ST_QUIESCING);
+	i2400m_net_wake_stop(i2400m);
 	i2400m_dev_shutdown(i2400m);
 	i2400m->ready = 0;
 	i2400m->bus_dev_stop(i2400m);
diff --git a/drivers/net/wimax/i2400m/i2400m.h b/drivers/net/wimax/i2400m/i2400m.h
index 916b1d31929..303eb78bce3 100644
--- a/drivers/net/wimax/i2400m/i2400m.h
+++ b/drivers/net/wimax/i2400m/i2400m.h
@@ -691,6 +691,7 @@ extern void i2400m_net_rx(struct i2400m *, struct sk_buff *, unsigned,
 			  const void *, int);
 extern void i2400m_net_erx(struct i2400m *, struct sk_buff *,
 			   enum i2400m_cs);
+extern void i2400m_net_wake_stop(struct i2400m *);
 enum i2400m_pt;
 extern int i2400m_tx(struct i2400m *, const void *, size_t, enum i2400m_pt);
 
diff --git a/drivers/net/wimax/i2400m/netdev.c b/drivers/net/wimax/i2400m/netdev.c
index 960fb546754..0e8f6a046b9 100644
--- a/drivers/net/wimax/i2400m/netdev.c
+++ b/drivers/net/wimax/i2400m/netdev.c
@@ -113,11 +113,6 @@ int i2400m_open(struct net_device *net_dev)
 }
 
 
-/*
- *
- * On kernel versions where cancel_work_sync() didn't return anything,
- * we rely on wake_tx_skb() being non-NULL.
- */
 static
 int i2400m_stop(struct net_device *net_dev)
 {
@@ -125,21 +120,7 @@ int i2400m_stop(struct net_device *net_dev)
 	struct device *dev = i2400m_dev(i2400m);
 
 	d_fnstart(3, dev, "(net_dev %p [i2400m %p])\n", net_dev, i2400m);
-	/* See i2400m_hard_start_xmit(), references are taken there
-	 * and here we release them if the work was still
-	 * pending. Note we can't differentiate work not pending vs
-	 * never scheduled, so the NULL check does that. */
-	if (cancel_work_sync(&i2400m->wake_tx_ws) == 0
-	    && i2400m->wake_tx_skb != NULL) {
-		unsigned long flags;
-		struct sk_buff *wake_tx_skb;
-		spin_lock_irqsave(&i2400m->tx_lock, flags);
-		wake_tx_skb = i2400m->wake_tx_skb;	/* compat help */
-		i2400m->wake_tx_skb = NULL;	/* compat help */
-		spin_unlock_irqrestore(&i2400m->tx_lock, flags);
-		i2400m_put(i2400m);
-		kfree_skb(wake_tx_skb);
-	}
+	i2400m_net_wake_stop(i2400m);
 	d_fnend(3, dev, "(net_dev %p [i2400m %p]) = 0\n", net_dev, i2400m);
 	return 0;
 }
@@ -230,6 +211,38 @@ void i2400m_tx_prep_header(struct sk_buff *skb)
 }
 
 
+
+/*
+ * Cleanup resources acquired during i2400m_net_wake_tx()
+ *
+ * This is called by __i2400m_dev_stop and means we have to make sure
+ * the workqueue is flushed from any pending work.
+ */
+void i2400m_net_wake_stop(struct i2400m *i2400m)
+{
+	struct device *dev = i2400m_dev(i2400m);
+
+	d_fnstart(3, dev, "(i2400m %p)\n", i2400m);
+	/* See i2400m_hard_start_xmit(), references are taken there
+	 * and here we release them if the work was still
+	 * pending. Note we can't differentiate work not pending vs
+	 * never scheduled, so the NULL check does that. */
+	if (cancel_work_sync(&i2400m->wake_tx_ws) == 0
+	    && i2400m->wake_tx_skb != NULL) {
+		unsigned long flags;
+		struct sk_buff *wake_tx_skb;
+		spin_lock_irqsave(&i2400m->tx_lock, flags);
+		wake_tx_skb = i2400m->wake_tx_skb;	/* compat help */
+		i2400m->wake_tx_skb = NULL;	/* compat help */
+		spin_unlock_irqrestore(&i2400m->tx_lock, flags);
+		i2400m_put(i2400m);
+		kfree_skb(wake_tx_skb);
+	}
+	d_fnend(3, dev, "(i2400m %p) = void\n", i2400m);
+	return;
+}
+
+
 /*
  * TX an skb to an idle device
  *
-- 
GitLab


From 8f90f3ee83dc54e182d6a7548727cbae4b523e6e Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Wed, 16 Sep 2009 17:53:57 -0700
Subject: [PATCH 0357/1815] wimax/i2400m: cleanup initialization/destruction
 flow

Currently the i2400m driver was starting in a weird way: registering a
network device, setting the device up and then registering a WiMAX
device.

This is an historic artifact, and was causing issues, a some early
reports the device sends were getting lost by issue of the wimax_dev
not being registered.

Fix said situation by doing the wimax device registration in
i2400m_setup() after network device registration and before starting
thed device.

As well, removed spurious setting of the state to UNINITIALIZED;
i2400m.dev_start() does that already.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/driver.c | 32 ++++++++++++++-----------------
 drivers/net/wimax/i2400m/i2400m.h | 30 ++++++++++++++++++++---------
 drivers/net/wimax/i2400m/netdev.c | 10 ++++++----
 3 files changed, 41 insertions(+), 31 deletions(-)

diff --git a/drivers/net/wimax/i2400m/driver.c b/drivers/net/wimax/i2400m/driver.c
index a33df043102..a0ae19966c0 100644
--- a/drivers/net/wimax/i2400m/driver.c
+++ b/drivers/net/wimax/i2400m/driver.c
@@ -754,13 +754,9 @@ EXPORT_SYMBOL_GPL(i2400m_bm_buf_free
  *
  * Returns: 0 if ok, < 0 errno code on error.
  *
- * Initializes the bus-generic parts of the i2400m driver; the
- * bus-specific parts have been initialized, function pointers filled
- * out by the bus-specific probe function.
- *
- * As well, this registers the WiMAX and net device nodes. Once this
- * function returns, the device is operative and has to be ready to
- * receive and send network traffic and WiMAX control operations.
+ * Sets up basic device comunication infrastructure, boots the ROM to
+ * read the MAC address, registers with the WiMAX and network stacks
+ * and then brings up the device.
  */
 int i2400m_setup(struct i2400m *i2400m, enum i2400m_bri bm_flags)
 {
@@ -796,18 +792,13 @@ int i2400m_setup(struct i2400m *i2400m, enum i2400m_bri bm_flags)
 	}
 	netif_carrier_off(net_dev);
 
-	result = i2400m_dev_start(i2400m, bm_flags);
-	if (result < 0)
-		goto error_dev_start;
-
 	i2400m->wimax_dev.op_msg_from_user = i2400m_op_msg_from_user;
 	i2400m->wimax_dev.op_rfkill_sw_toggle = i2400m_op_rfkill_sw_toggle;
 	i2400m->wimax_dev.op_reset = i2400m_op_reset;
+
 	result = wimax_dev_add(&i2400m->wimax_dev, net_dev);
 	if (result < 0)
 		goto error_wimax_dev_add;
-	/* User space needs to do some init stuff */
-	wimax_state_change(wimax_dev, WIMAX_ST_UNINITIALIZED);
 
 	/* Now setup all that requires a registered net and wimax device. */
 	result = sysfs_create_group(&net_dev->dev.kobj, &i2400m_dev_attr_group);
@@ -815,22 +806,27 @@ int i2400m_setup(struct i2400m *i2400m, enum i2400m_bri bm_flags)
 		dev_err(dev, "cannot setup i2400m's sysfs: %d\n", result);
 		goto error_sysfs_setup;
 	}
+
 	result = i2400m_debugfs_add(i2400m);
 	if (result < 0) {
 		dev_err(dev, "cannot setup i2400m's debugfs: %d\n", result);
 		goto error_debugfs_setup;
 	}
+
+	result = i2400m_dev_start(i2400m, bm_flags);
+	if (result < 0)
+		goto error_dev_start;
 	d_fnend(3, dev, "(i2400m %p) = %d\n", i2400m, result);
 	return result;
 
+error_dev_start:
+	i2400m_debugfs_rm(i2400m);
 error_debugfs_setup:
 	sysfs_remove_group(&i2400m->wimax_dev.net_dev->dev.kobj,
 			   &i2400m_dev_attr_group);
 error_sysfs_setup:
 	wimax_dev_rm(&i2400m->wimax_dev);
 error_wimax_dev_add:
-	i2400m_dev_stop(i2400m);
-error_dev_start:
 	unregister_netdev(net_dev);
 error_register_netdev:
 	unregister_pm_notifier(&i2400m->pm_notifier);
@@ -854,15 +850,15 @@ void i2400m_release(struct i2400m *i2400m)
 	d_fnstart(3, dev, "(i2400m %p)\n", i2400m);
 	netif_stop_queue(i2400m->wimax_dev.net_dev);
 
+	i2400m_dev_stop(i2400m);
+
 	i2400m_debugfs_rm(i2400m);
 	sysfs_remove_group(&i2400m->wimax_dev.net_dev->dev.kobj,
 			   &i2400m_dev_attr_group);
 	wimax_dev_rm(&i2400m->wimax_dev);
-	i2400m_dev_stop(i2400m);
 	unregister_netdev(i2400m->wimax_dev.net_dev);
 	unregister_pm_notifier(&i2400m->pm_notifier);
-	kfree(i2400m->bm_ack_buf);
-	kfree(i2400m->bm_cmd_buf);
+	i2400m_bm_buf_free(i2400m);
 	d_fnend(3, dev, "(i2400m %p) = void\n", i2400m);
 }
 EXPORT_SYMBOL_GPL(i2400m_release);
diff --git a/drivers/net/wimax/i2400m/i2400m.h b/drivers/net/wimax/i2400m/i2400m.h
index 303eb78bce3..2b9c400810b 100644
--- a/drivers/net/wimax/i2400m/i2400m.h
+++ b/drivers/net/wimax/i2400m/i2400m.h
@@ -117,16 +117,28 @@
  * well as i2400m->wimax_dev.net_dev and call i2400m_setup(). The
  * i2400m driver will only register with the WiMAX and network stacks;
  * the only access done to the device is to read the MAC address so we
- * can register a network device. This calls i2400m_dev_start() to
- * load firmware, setup communication with the device and configure it
- * for operation.
+ * can register a network device.
  *
- * At this point, control and data communications are possible.
+ * The high-level call flow is:
+ *
+ * bus_probe()
+ *   i2400m_setup()
+ *     boot rom initialization / read mac addr
+ *     network / WiMAX stacks registration
+ *     i2400m_dev_start()
+ *       i2400m->bus_dev_start()
+ *       i2400m_dev_initialize()
+ *
+ * The reverse applies for a disconnect() call:
  *
- * On disconnect/driver unload, the bus-specific disconnect function
- * calls i2400m_release() to undo i2400m_setup(). i2400m_dev_stop()
- * shuts the firmware down and releases resources uses to communicate
- * with the device.
+ * bus_disconnect()
+ *   i2400m_release()
+ *     i2400m_dev_stop()
+ *       i2400m_dev_shutdown()
+ *       i2400m->bus_dev_stop()
+ *     network / WiMAX stack unregistration
+ *
+ * At this point, control and data communications are possible.
  *
  * While the device is up, it might reset. The bus-specific driver has
  * to catch that situation and call i2400m_dev_reset_handle() to deal
@@ -706,7 +718,7 @@ static inline int i2400m_debugfs_add(struct i2400m *i2400m)
 static inline void i2400m_debugfs_rm(struct i2400m *i2400m) {}
 #endif
 
-/* Called by _dev_start()/_dev_stop() to initialize the device itself */
+/* Initialize/shutdown the device */
 extern int i2400m_dev_initialize(struct i2400m *);
 extern void i2400m_dev_shutdown(struct i2400m *);
 
diff --git a/drivers/net/wimax/i2400m/netdev.c b/drivers/net/wimax/i2400m/netdev.c
index 0e8f6a046b9..fefd794087a 100644
--- a/drivers/net/wimax/i2400m/netdev.c
+++ b/drivers/net/wimax/i2400m/netdev.c
@@ -102,11 +102,13 @@ int i2400m_open(struct net_device *net_dev)
 	struct device *dev = i2400m_dev(i2400m);
 
 	d_fnstart(3, dev, "(net_dev %p [i2400m %p])\n", net_dev, i2400m);
-	if (i2400m->ready == 0) {
-		dev_err(dev, "Device is still initializing\n");
-		result = -EBUSY;
-	} else
+	/* Make sure we wait until init is complete... */
+	mutex_lock(&i2400m->init_mutex);
+	if (i2400m->updown)
 		result = 0;
+	else
+		result = -EBUSY;
+	mutex_unlock(&i2400m->init_mutex);
 	d_fnend(3, dev, "(net_dev %p [i2400m %p]) = %d\n",
 		net_dev, i2400m, result);
 	return result;
-- 
GitLab


From c2315b4ea9ac9c3f8caf03c3511d86fabe4a5fcd Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Wed, 16 Sep 2009 17:10:55 -0700
Subject: [PATCH 0358/1815] wimax/i2400m: clarify and fix
 i2400m->{ready,updown}

The i2400m driver uses two different bits to distinguish how much the
driver is up. i2400m->ready is used to denote that the infrastructure
to communicate with the device is up and running. i2400m->updown is
used to indicate if 'ready' and the device is up and running, ready to
take control and data traffic.

However, all this was pretty dirty and not clear, with many open spots
where race conditions were present.

This commit cleans up the situation by:

 - documenting the usage of both bits

 - setting them only in specific, well controlled places
   (i2400m_dev_start, i2400m_dev_stop)

 - ensuring the i2400m workqueue can't get in the middle of the
   setting by flushing it when i2400m->ready is set to zero. This
   allows the report hook not having to check again for the bit to be
   set [rx.c:i2400m_report_hook_work()].

 - using i2400m->updown to determine if the device is up and running
   instead of the wimax state in i2400m_dev_reset_handle().

 - not loosing missed messages sent by the hardware before
   i2400m->ready is set. In rx.c, whatever the device sends can be
   sent to user space over the message pipes as soon as the wimax
   device is registered, so don't wait for i2400m->ready to be set.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/driver.c | 44 ++++++++++++++++++++-----------
 drivers/net/wimax/i2400m/i2400m.h | 23 +++++++++++++++-
 drivers/net/wimax/i2400m/rx.c     | 16 +++++------
 drivers/net/wimax/i2400m/usb.c    |  7 ++++-
 include/net/wimax.h               |  6 +++++
 5 files changed, 70 insertions(+), 26 deletions(-)

diff --git a/drivers/net/wimax/i2400m/driver.c b/drivers/net/wimax/i2400m/driver.c
index a0ae19966c0..6280646d7d7 100644
--- a/drivers/net/wimax/i2400m/driver.c
+++ b/drivers/net/wimax/i2400m/driver.c
@@ -455,6 +455,8 @@ retry:
 	result = i2400m->bus_dev_start(i2400m);
 	if (result < 0)
 		goto error_bus_dev_start;
+	i2400m->ready = 1;
+	wmb();		/* see i2400m->ready's documentation  */
 	result = i2400m_firmware_check(i2400m);	/* fw versions ok? */
 	if (result < 0)
 		goto error_fw_check;
@@ -462,7 +464,6 @@ retry:
 	result = i2400m_check_mac_addr(i2400m);
 	if (result < 0)
 		goto error_check_mac_addr;
-	i2400m->ready = 1;
 	wimax_state_change(wimax_dev, WIMAX_ST_UNINITIALIZED);
 	result = i2400m_dev_initialize(i2400m);
 	if (result < 0)
@@ -475,6 +476,9 @@ retry:
 
 error_dev_initialize:
 error_check_mac_addr:
+	i2400m->ready = 0;
+	wmb();		/* see i2400m->ready's documentation  */
+	flush_workqueue(i2400m->work_queue);
 error_fw_check:
 	i2400m->bus_dev_stop(i2400m);
 error_bus_dev_start:
@@ -498,11 +502,15 @@ error_bootstrap:
 static
 int i2400m_dev_start(struct i2400m *i2400m, enum i2400m_bri bm_flags)
 {
-	int result;
+	int result = 0;
 	mutex_lock(&i2400m->init_mutex);	/* Well, start the device */
-	result = __i2400m_dev_start(i2400m, bm_flags);
-	if (result >= 0)
-		i2400m->updown = 1;
+	if (i2400m->updown == 0) {
+		result = __i2400m_dev_start(i2400m, bm_flags);
+		if (result >= 0) {
+			i2400m->updown = 1;
+			wmb();	/* see i2400m->updown's documentation */
+		}
+	}
 	mutex_unlock(&i2400m->init_mutex);
 	return result;
 }
@@ -529,7 +537,14 @@ void __i2400m_dev_stop(struct i2400m *i2400m)
 	wimax_state_change(wimax_dev, __WIMAX_ST_QUIESCING);
 	i2400m_net_wake_stop(i2400m);
 	i2400m_dev_shutdown(i2400m);
-	i2400m->ready = 0;
+	/*
+	 * Make sure no report hooks are running *before* we stop the
+	 * communication infrastructure with the device.
+	 */
+	i2400m->ready = 0;	/* nobody can queue work anymore */
+	wmb();		/* see i2400m->ready's documentation  */
+	flush_workqueue(i2400m->work_queue);
+
 	i2400m->bus_dev_stop(i2400m);
 	destroy_workqueue(i2400m->work_queue);
 	i2400m_rx_release(i2400m);
@@ -551,6 +566,7 @@ void i2400m_dev_stop(struct i2400m *i2400m)
 	if (i2400m->updown) {
 		__i2400m_dev_stop(i2400m);
 		i2400m->updown = 0;
+		wmb();	/* see i2400m->updown's documentation  */
 	}
 	mutex_unlock(&i2400m->init_mutex);
 }
@@ -632,7 +648,6 @@ void __i2400m_dev_reset_handle(struct work_struct *ws)
 	const char *reason;
 	struct i2400m *i2400m = iw->i2400m;
 	struct device *dev = i2400m_dev(i2400m);
-	enum wimax_st wimax_state;
 	struct i2400m_reset_ctx *ctx = i2400m->reset_ctx;
 
 	if (WARN_ON(iw->pl_size != sizeof(reason)))
@@ -647,29 +662,28 @@ void __i2400m_dev_reset_handle(struct work_struct *ws)
 		/* We are still in i2400m_dev_start() [let it fail] or
 		 * i2400m_dev_stop() [we are shutting down anyway, so
 		 * ignore it] or we are resetting somewhere else. */
-		dev_err(dev, "device rebooted\n");
+		dev_err(dev, "device rebooted somewhere else?\n");
 		i2400m_msg_to_dev_cancel_wait(i2400m, -EL3RST);
 		complete(&i2400m->msg_completion);
 		goto out;
 	}
-	wimax_state = wimax_state_get(&i2400m->wimax_dev);
-	if (wimax_state < WIMAX_ST_UNINITIALIZED) {
-		dev_info(dev, "%s: it is down, ignoring\n", reason);
-		goto out_unlock;	/* ifconfig up/down wasn't called */
+	if (i2400m->updown == 0)  {
+		dev_info(dev, "%s: device is down, doing nothing\n", reason);
+		goto out_unlock;
 	}
 	dev_err(dev, "%s: reinitializing driver\n", reason);
 	__i2400m_dev_stop(i2400m);
-	i2400m->updown = 0;
 	result = __i2400m_dev_start(i2400m,
 				    I2400M_BRI_SOFT | I2400M_BRI_MAC_REINIT);
 	if (result < 0) {
+		i2400m->updown = 0;
+		wmb();		/* see i2400m->updown's documentation  */
 		dev_err(dev, "%s: cannot start the device: %d\n",
 			reason, result);
 		result = i2400m->bus_reset(i2400m, I2400M_RT_BUS);
 		if (result >= 0)
 			result = -ENODEV;
-	} else
-		i2400m->updown = 1;
+	}
 out_unlock:
 	if (i2400m->reset_ctx) {
 		ctx->result = result;
diff --git a/drivers/net/wimax/i2400m/i2400m.h b/drivers/net/wimax/i2400m/i2400m.h
index 2b9c400810b..fbc156db5bf 100644
--- a/drivers/net/wimax/i2400m/i2400m.h
+++ b/drivers/net/wimax/i2400m/i2400m.h
@@ -307,6 +307,27 @@ struct i2400m_barker_db;
  *     force this to be the first field so that we can get from
  *     netdev_priv() the right pointer.
  *
+ * @updown: the device is up and ready for transmitting control and
+ *     data packets. This implies @ready (communication infrastructure
+ *     with the device is ready) and the device's firmware has been
+ *     loaded and the device initialized.
+ *
+ *     Write to it only inside a i2400m->init_mutex protected area
+ *     followed with a wmb(); rmb() before accesing (unless locked
+ *     inside i2400m->init_mutex). Read access can be loose like that
+ *     [just using rmb()] because the paths that use this also do
+ *     other error checks later on.
+ *
+ * @ready: Communication infrastructure with the device is ready, data
+ *     frames can start to be passed around (this is lighter than
+ *     using the WiMAX state for certain hot paths).
+ *
+ *     Write to it only inside a i2400m->init_mutex protected area
+ *     followed with a wmb(); rmb() before accesing (unless locked
+ *     inside i2400m->init_mutex). Read access can be loose like that
+ *     [just using rmb()] because the paths that use this also do
+ *     other error checks later on.
+ *
  * @rx_reorder: 1 if RX reordering is enabled; this can only be
  *     set at probe time.
  *
@@ -458,7 +479,7 @@ struct i2400m {
 	unsigned updown:1;		/* Network device is up or down */
 	unsigned boot_mode:1;		/* is the device in boot mode? */
 	unsigned sboot:1;		/* signed or unsigned fw boot */
-	unsigned ready:1;		/* all probing steps done */
+	unsigned ready:1;		/* Device comm infrastructure ready */
 	unsigned rx_reorder:1;		/* RX reorder is enabled */
 	u8 trace_msg_from_user;		/* echo rx msgs to 'trace' pipe */
 					/* typed u8 so /sys/kernel/debug/u8 can tweak */
diff --git a/drivers/net/wimax/i2400m/rx.c b/drivers/net/wimax/i2400m/rx.c
index bcd411f1a85..82c200ad9fd 100644
--- a/drivers/net/wimax/i2400m/rx.c
+++ b/drivers/net/wimax/i2400m/rx.c
@@ -177,8 +177,7 @@ void i2400m_report_hook_work(struct work_struct *ws)
 	struct i2400m_work *iw =
 		container_of(ws, struct i2400m_work, ws);
 	struct i2400m_report_hook_args *args = (void *) iw->pl;
-	if (iw->i2400m->ready)
-		i2400m_report_hook(iw->i2400m, args->l3l4_hdr, args->size);
+	i2400m_report_hook(iw->i2400m, args->l3l4_hdr, args->size);
 	kfree_skb(args->skb_rx);
 	i2400m_put(iw->i2400m);
 	kfree(iw);
@@ -305,11 +304,12 @@ void i2400m_rx_ctl(struct i2400m *i2400m, struct sk_buff *skb_rx,
 			.l3l4_hdr = l3l4_hdr,
 			.size = size
 		};
-		if (unlikely(i2400m->ready == 0))	/* only send if up */
-			return;
-		skb_get(skb_rx);
-		i2400m_queue_work(i2400m, i2400m_report_hook_work,
-				  GFP_KERNEL, &args, sizeof(args));
+		rmb();		/* see i2400m->ready's documentation  */
+		if (likely(i2400m->ready)) {	/* only send if up */
+			skb_get(skb_rx);
+			i2400m_queue_work(i2400m, i2400m_report_hook_work,
+					  GFP_KERNEL, &args, sizeof(args));
+		}
 		if (unlikely(i2400m->trace_msg_from_user))
 			wimax_msg(&i2400m->wimax_dev, "echo",
 				  l3l4_hdr, size, GFP_KERNEL);
@@ -363,8 +363,6 @@ void i2400m_rx_trace(struct i2400m *i2400m,
 		 msg_type & I2400M_MT_REPORT_MASK ? "REPORT" : "CMD/SET/GET",
 		 msg_type, size);
 	d_dump(2, dev, l3l4_hdr, size);
-	if (unlikely(i2400m->ready == 0))	/* only send if up */
-		return;
 	result = wimax_msg(wimax_dev, "trace", l3l4_hdr, size, GFP_KERNEL);
 	if (result < 0)
 		dev_err(dev, "error sending trace to userspace: %d\n",
diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c
index 07653ded6c5..f4dfb60bb62 100644
--- a/drivers/net/wimax/i2400m/usb.c
+++ b/drivers/net/wimax/i2400m/usb.c
@@ -516,7 +516,10 @@ void i2400mu_disconnect(struct usb_interface *iface)
  * So at the end, the three cases require common handling.
  *
  * If at the time of this call the device's firmware is not loaded,
- * nothing has to be done.
+ * nothing has to be done. Note we can be "loose" about not reading
+ * i2400m->updown under i2400m->init_mutex. If it happens to change
+ * inmediately, other parts of the call flow will fail and effectively
+ * catch it.
  *
  * If the firmware is loaded, we need to:
  *
@@ -555,6 +558,7 @@ int i2400mu_suspend(struct usb_interface *iface, pm_message_t pm_msg)
 #endif
 
 	d_fnstart(3, dev, "(iface %p pm_msg %u)\n", iface, pm_msg.event);
+	rmb();		/* see i2400m->updown's documentation  */
 	if (i2400m->updown == 0)
 		goto no_firmware;
 	if (i2400m->state == I2400M_SS_DATA_PATH_CONNECTED && is_autosuspend) {
@@ -608,6 +612,7 @@ int i2400mu_resume(struct usb_interface *iface)
 	struct i2400m *i2400m = &i2400mu->i2400m;
 
 	d_fnstart(3, dev, "(iface %p)\n", iface);
+	rmb();		/* see i2400m->updown's documentation  */
 	if (i2400m->updown == 0) {
 		d_printf(1, dev, "fw was down, no resume neeed\n");
 		goto out;
diff --git a/include/net/wimax.h b/include/net/wimax.h
index 2af7bf839f2..d69c4a7a126 100644
--- a/include/net/wimax.h
+++ b/include/net/wimax.h
@@ -195,6 +195,12 @@
  *    defining the `struct nla_policy` for each message, it has to have
  *    an array size of WIMAX_GNL_ATTR_MAX+1.
  *
+ * The op_*() function pointers will not be called if the wimax_dev is
+ * in a state <= %WIMAX_ST_UNINITIALIZED. The exception is:
+ *
+ * - op_reset: can be called at any time after wimax_dev_add() has
+ *   been called.
+ *
  * THE PIPE INTERFACE:
  *
  * This interface is kept intentionally simple. The driver can send
-- 
GitLab


From 0856ccf29dfbaf957e4be80dd3eb88d97810b633 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Wed, 16 Sep 2009 18:23:27 -0700
Subject: [PATCH 0359/1815] wimax/i2400m: introduce i2400m->bus_setup/release

The SDIO subdriver of the i2400m requires certain steps to be done
before we do any acces to the device, even for doing firmware upload.

This lead to a few ugly hacks, which basically involve doing those
steps in probe() before calling i2400m_setup() and undoing them in
disconnect() after claling i2400m_release(); but then, much of those
steps have to be repeated when resetting the device, suspending, etc
(in upcoming pre/post reset support).

Thus, a new pair of optional, bus-specific calls
i2400m->bus_{setup/release} are introduced. These are used to setup
basic infrastructure needed to load firmware onto the device.

This commit also updates the SDIO subdriver to use said calls.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/driver.c |  20 +++++-
 drivers/net/wimax/i2400m/i2400m.h |  27 ++++++++
 drivers/net/wimax/i2400m/sdio.c   | 100 +++++++++++++++++++-----------
 drivers/net/wimax/i2400m/usb.c    |   2 +
 4 files changed, 111 insertions(+), 38 deletions(-)

diff --git a/drivers/net/wimax/i2400m/driver.c b/drivers/net/wimax/i2400m/driver.c
index 6280646d7d7..c57020f811c 100644
--- a/drivers/net/wimax/i2400m/driver.c
+++ b/drivers/net/wimax/i2400m/driver.c
@@ -41,8 +41,10 @@
  *     __i2400m_dev_start()
  *
  * i2400m_setup()
+ *   i2400m->bus_setup()
  *   i2400m_bootrom_init()
  *   register_netdev()
+ *   wimax_dev_add()
  *   i2400m_dev_start()
  *     __i2400m_dev_start()
  *       i2400m_dev_bootstrap()
@@ -50,15 +52,15 @@
  *       i2400m->bus_dev_start()
  *       i2400m_firmware_check()
  *       i2400m_check_mac_addr()
- *   wimax_dev_add()
  *
  * i2400m_release()
- *   wimax_dev_rm()
  *   i2400m_dev_stop()
  *     __i2400m_dev_stop()
  *       i2400m_dev_shutdown()
  *       i2400m->bus_dev_stop()
  *       i2400m_tx_release()
+ *   i2400m->bus_release()
+ *   wimax_dev_rm()
  *   unregister_netdev()
  */
 #include "i2400m.h"
@@ -784,6 +786,15 @@ int i2400m_setup(struct i2400m *i2400m, enum i2400m_bri bm_flags)
 	snprintf(wimax_dev->name, sizeof(wimax_dev->name),
 		 "i2400m-%s:%s", dev->bus->name, dev_name(dev));
 
+	if (i2400m->bus_setup) {
+		result = i2400m->bus_setup(i2400m);
+		if (result < 0) {
+			dev_err(dev, "bus-specific setup failed: %d\n",
+				result);
+			goto error_bus_setup;
+		}
+	}
+
 	result = i2400m_bootrom_init(i2400m, bm_flags);
 	if (result < 0) {
 		dev_err(dev, "read mac addr: bootrom init "
@@ -846,6 +857,9 @@ error_register_netdev:
 	unregister_pm_notifier(&i2400m->pm_notifier);
 error_read_mac_addr:
 error_bootrom_init:
+	if (i2400m->bus_release)
+		i2400m->bus_release(i2400m);
+error_bus_setup:
 	d_fnend(3, dev, "(i2400m %p) = %d\n", i2400m, result);
 	return result;
 }
@@ -872,6 +886,8 @@ void i2400m_release(struct i2400m *i2400m)
 	wimax_dev_rm(&i2400m->wimax_dev);
 	unregister_netdev(i2400m->wimax_dev.net_dev);
 	unregister_pm_notifier(&i2400m->pm_notifier);
+	if (i2400m->bus_release)
+		i2400m->bus_release(i2400m);
 	i2400m_bm_buf_free(i2400m);
 	d_fnend(3, dev, "(i2400m %p) = void\n", i2400m);
 }
diff --git a/drivers/net/wimax/i2400m/i2400m.h b/drivers/net/wimax/i2400m/i2400m.h
index fbc156db5bf..407d0972f2f 100644
--- a/drivers/net/wimax/i2400m/i2400m.h
+++ b/drivers/net/wimax/i2400m/i2400m.h
@@ -123,6 +123,7 @@
  *
  * bus_probe()
  *   i2400m_setup()
+ *     i2400m->bus_setup()
  *     boot rom initialization / read mac addr
  *     network / WiMAX stacks registration
  *     i2400m_dev_start()
@@ -137,6 +138,7 @@
  *       i2400m_dev_shutdown()
  *       i2400m->bus_dev_stop()
  *     network / WiMAX stack unregistration
+ *     i2400m->bus_release()
  *
  * At this point, control and data communications are possible.
  *
@@ -214,12 +216,35 @@ struct i2400m_barker_db;
  * Members marked with [fill] must be filled out/initialized before
  * calling i2400m_setup().
  *
+ * Note the @bus_setup/@bus_release, @bus_dev_start/@bus_dev_release
+ * call pairs are very much doing almost the same, and depending on
+ * the underlying bus, some stuff has to be put in one or the
+ * other. The idea of setup/release is that they setup the minimal
+ * amount needed for loading firmware, where us dev_start/stop setup
+ * the rest needed to do full data/control traffic.
+ *
  * @bus_tx_block_size: [fill] SDIO imposes a 256 block size, USB 16,
  *     so we have a tx_blk_size variable that the bus layer sets to
  *     tell the engine how much of that we need.
  *
  * @bus_pl_size_max: [fill] Maximum payload size.
  *
+ * @bus_setup: [optional fill] Function called by the bus-generic code
+ *     [i2400m_setup()] to setup the basic bus-specific communications
+ *     to the the device needed to load firmware. See LIFE CYCLE above.
+ *
+ *     NOTE: Doesn't need to upload the firmware, as that is taken
+ *     care of by the bus-generic code.
+ *
+ * @bus_release: [optional fill] Function called by the bus-generic
+ *     code [i2400m_release()] to shutdown the basic bus-specific
+ *     communications to the the device needed to load firmware. See
+ *     LIFE CYCLE above.
+ *
+ *     This function does not need to reset the device, just tear down
+ *     all the host resources created to  handle communication with
+ *     the device.
+ *
  * @bus_dev_start: [fill] Function called by the bus-generic code
  *     [i2400m_dev_start()] to setup the bus-specific communications
  *     to the the device. See LIFE CYCLE above.
@@ -490,8 +515,10 @@ struct i2400m {
 	size_t bus_pl_size_max;
 	unsigned bus_bm_retries;
 
+	int (*bus_setup)(struct i2400m *);
 	int (*bus_dev_start)(struct i2400m *);
 	void (*bus_dev_stop)(struct i2400m *);
+	void (*bus_release)(struct i2400m *);
 	void (*bus_tx_kick)(struct i2400m *);
 	int (*bus_reset)(struct i2400m *, enum i2400m_reset_type);
 	ssize_t (*bus_bm_cmd_send)(struct i2400m *,
diff --git a/drivers/net/wimax/i2400m/sdio.c b/drivers/net/wimax/i2400m/sdio.c
index de158ee0c32..6e39665ecd8 100644
--- a/drivers/net/wimax/i2400m/sdio.c
+++ b/drivers/net/wimax/i2400m/sdio.c
@@ -164,6 +164,66 @@ function_enabled:
 }
 
 
+/*
+ * Setup minimal device communication infrastructure needed to at
+ * least be able to update the firmware.
+ */
+static
+int i2400ms_bus_setup(struct i2400m *i2400m)
+{
+	int result;
+	struct i2400ms *i2400ms =
+		container_of(i2400m, struct i2400ms, i2400m);
+	struct device *dev = i2400m_dev(i2400m);
+	struct sdio_func *func = i2400ms->func;
+
+	sdio_claim_host(func);
+	result = sdio_set_block_size(func, I2400MS_BLK_SIZE);
+	sdio_release_host(func);
+	if (result < 0) {
+		dev_err(dev, "Failed to set block size: %d\n", result);
+		goto error_set_blk_size;
+	}
+
+	result = i2400ms_enable_function(func, 1);
+	if (result < 0) {
+		dev_err(dev, "Cannot enable SDIO function: %d\n", result);
+		goto error_func_enable;
+	}
+
+	result = i2400ms_rx_setup(i2400ms);
+	if (result < 0)
+		goto error_rx_setup;
+	return 0;
+
+error_rx_setup:
+	sdio_claim_host(func);
+	sdio_disable_func(func);
+	sdio_release_host(func);
+error_func_enable:
+error_set_blk_size:
+	return result;
+}
+
+
+/*
+ * Tear down minimal device communication infrastructure needed to at
+ * least be able to update the firmware.
+ */
+static
+void i2400ms_bus_release(struct i2400m *i2400m)
+{
+	struct i2400ms *i2400ms =
+		container_of(i2400m, struct i2400ms, i2400m);
+	struct sdio_func *func = i2400ms->func;
+
+	i2400ms_rx_release(i2400ms);
+	sdio_claim_host(func);
+	sdio_disable_func(func);
+	sdio_release_host(func);
+}
+
+
 /*
  * Setup driver resources needed to communicate with the device
  *
@@ -315,17 +375,12 @@ do_bus_reset:
 		if (i2400m->wimax_dev.net_dev->reg_state == NETREG_REGISTERED)
 			netif_tx_disable(i2400m->wimax_dev.net_dev);
 
-		i2400ms_rx_release(i2400ms);
-		sdio_claim_host(i2400ms->func);
-		sdio_disable_func(i2400ms->func);
-		sdio_release_host(i2400ms->func);
+		i2400ms_bus_release(i2400m);
 
 		/* Wait for the device to settle */
 		msleep(40);
 
-		result = i2400ms_enable_function(i2400ms->func, 0);
-		if (result >= 0)
-			i2400ms_rx_setup(i2400ms);
+		result =  i2400ms_bus_setup(i2400m);
 	} else
 		BUG();
 	if (result < 0 && rt != I2400M_RT_BUS) {
@@ -449,8 +504,10 @@ int i2400ms_probe(struct sdio_func *func,
 
 	i2400m->bus_tx_block_size = I2400MS_BLK_SIZE;
 	i2400m->bus_pl_size_max = I2400MS_PL_SIZE_MAX;
+	i2400m->bus_setup = i2400ms_bus_setup;
 	i2400m->bus_dev_start = i2400ms_bus_dev_start;
 	i2400m->bus_dev_stop = i2400ms_bus_dev_stop;
+	i2400m->bus_release = i2400ms_bus_release;
 	i2400m->bus_tx_kick = i2400ms_bus_tx_kick;
 	i2400m->bus_reset = i2400ms_bus_reset;
 	/* The iwmc3200-wimax sometimes requires the driver to try
@@ -462,20 +519,6 @@ int i2400ms_probe(struct sdio_func *func,
 	i2400m->bus_bm_mac_addr_impaired = 1;
 	i2400m->bus_bm_pokes_table = &i2400ms_pokes[0];
 
-	sdio_claim_host(func);
-	result = sdio_set_block_size(func, I2400MS_BLK_SIZE);
-	sdio_release_host(func);
-	if (result < 0) {
-		dev_err(dev, "Failed to set block size: %d\n", result);
-		goto error_set_blk_size;
-	}
-
-	result = i2400ms_enable_function(i2400ms->func, 1);
-	if (result < 0) {
-		dev_err(dev, "Cannot enable SDIO function: %d\n", result);
-		goto error_func_enable;
-	}
-
 	/*
 	 * Before we are enabling the device interrupt register, make
 	 * sure the buffer used during bootmode operation is setup so
@@ -488,10 +531,6 @@ int i2400ms_probe(struct sdio_func *func,
 		goto error_bootmode_buf_setup;
 	}
 
-	result = i2400ms_rx_setup(i2400ms);
-	if (result < 0)
-		goto error_rx_setup;
-
 	result = i2400m_setup(i2400m, I2400M_BRI_NO_REBOOT);
 	if (result < 0) {
 		dev_err(dev, "cannot setup device: %d\n", result);
@@ -509,15 +548,8 @@ int i2400ms_probe(struct sdio_func *func,
 error_debugfs_add:
 	i2400m_release(i2400m);
 error_setup:
-	i2400ms_rx_release(i2400ms);
-error_rx_setup:
 	i2400m_bm_buf_free(i2400m);
 error_bootmode_buf_setup:
-	sdio_claim_host(func);
-	sdio_disable_func(func);
-	sdio_release_host(func);
-error_func_enable:
-error_set_blk_size:
 	sdio_set_drvdata(func, NULL);
 	free_netdev(net_dev);
 error_alloc_netdev:
@@ -535,12 +567,8 @@ void i2400ms_remove(struct sdio_func *func)
 
 	d_fnstart(3, dev, "SDIO func %p\n", func);
 	debugfs_remove_recursive(i2400ms->debugfs_dentry);
-	i2400ms_rx_release(i2400ms);
 	i2400m_release(i2400m);
 	sdio_set_drvdata(func, NULL);
-	sdio_claim_host(func);
-	sdio_disable_func(func);
-	sdio_release_host(func);
 	free_netdev(net_dev);
 	d_fnend(3, dev, "SDIO func %p\n", func);
 }
diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c
index f4dfb60bb62..3bf3f7288fe 100644
--- a/drivers/net/wimax/i2400m/usb.c
+++ b/drivers/net/wimax/i2400m/usb.c
@@ -416,8 +416,10 @@ int i2400mu_probe(struct usb_interface *iface,
 
 	i2400m->bus_tx_block_size = I2400MU_BLK_SIZE;
 	i2400m->bus_pl_size_max = I2400MU_PL_SIZE_MAX;
+	i2400m->bus_setup = NULL;
 	i2400m->bus_dev_start = i2400mu_bus_dev_start;
 	i2400m->bus_dev_stop = i2400mu_bus_dev_stop;
+	i2400m->bus_release = NULL;
 	i2400m->bus_tx_kick = i2400mu_bus_tx_kick;
 	i2400m->bus_reset = i2400mu_bus_reset;
 	i2400m->bus_bm_retries = I2400M_USB_BOOT_RETRIES;
-- 
GitLab


From 2869da8587604e3fea5f85aeade486a08e8313bf Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Wed, 16 Sep 2009 18:33:26 -0700
Subject: [PATCH 0360/1815] wimax/i2400m: do bootmode buffer management in
 i2400m_setup/release()

After the introduction of i2400m->bus_setup/release, there is no more
race condition where the bootmode buffers are needed before
i2400m_setup() is called.

Before, the SDIO driver would setup RX before calling i2400m_setup()
and thus need those buffers; now RX setup is done in
i2400m->bus_setup(), which is called by i2400m_setup().

Thus, all the bootmode buffer management can now be done completely
inside i2400m_setup()/i2400m_release(), removing complexity from the
bus-specific drivers.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/driver.c | 28 +++++++++++++++++-----------
 drivers/net/wimax/i2400m/i2400m.h |  2 --
 drivers/net/wimax/i2400m/sdio.c   | 14 --------------
 drivers/net/wimax/i2400m/usb.c    |  8 --------
 4 files changed, 17 insertions(+), 35 deletions(-)

diff --git a/drivers/net/wimax/i2400m/driver.c b/drivers/net/wimax/i2400m/driver.c
index c57020f811c..4fcdb18261f 100644
--- a/drivers/net/wimax/i2400m/driver.c
+++ b/drivers/net/wimax/i2400m/driver.c
@@ -723,12 +723,13 @@ int i2400m_dev_reset_handle(struct i2400m *i2400m, const char *reason)
 EXPORT_SYMBOL_GPL(i2400m_dev_reset_handle);
 
 
-/**
- * i2400m_bm_buf_alloc - Alloc the command and ack buffers for boot mode
+/*
+ * Alloc the command and ack buffers for boot mode
  *
  * Get the buffers needed to deal with boot mode messages.  These
  * buffers need to be allocated before the sdio recieve irq is setup.
  */
+static
 int i2400m_bm_buf_alloc(struct i2400m *i2400m)
 {
 	int result;
@@ -747,22 +748,19 @@ error_bm_ack_buf_kzalloc:
 error_bm_cmd_kzalloc:
 	return result;
 }
-EXPORT_SYMBOL_GPL(i2400m_bm_buf_alloc);
 
-/**
- * i2400m_bm_buf_free - Free boot mode command and ack buffers.
- *
- * Free the command and ack buffers
- *
+
+/*
+ * Free boot mode command and ack buffers.
  */
+static
 void i2400m_bm_buf_free(struct i2400m *i2400m)
 {
 	kfree(i2400m->bm_ack_buf);
 	kfree(i2400m->bm_cmd_buf);
-	return;
 }
-EXPORT_SYMBOL_GPL(i2400m_bm_buf_free
-);
+
+
 /**
  * i2400m_setup - bus-generic setup function for the i2400m device
  *
@@ -786,6 +784,12 @@ int i2400m_setup(struct i2400m *i2400m, enum i2400m_bri bm_flags)
 	snprintf(wimax_dev->name, sizeof(wimax_dev->name),
 		 "i2400m-%s:%s", dev->bus->name, dev_name(dev));
 
+	result = i2400m_bm_buf_alloc(i2400m);
+	if (result < 0) {
+		dev_err(dev, "cannot allocate bootmode scratch buffers\n");
+		goto error_bm_buf_alloc;
+	}
+
 	if (i2400m->bus_setup) {
 		result = i2400m->bus_setup(i2400m);
 		if (result < 0) {
@@ -860,6 +864,8 @@ error_bootrom_init:
 	if (i2400m->bus_release)
 		i2400m->bus_release(i2400m);
 error_bus_setup:
+	i2400m_bm_buf_free(i2400m);
+error_bm_buf_alloc:
 	d_fnend(3, dev, "(i2400m %p) = %d\n", i2400m, result);
 	return result;
 }
diff --git a/drivers/net/wimax/i2400m/i2400m.h b/drivers/net/wimax/i2400m/i2400m.h
index 407d0972f2f..1724955e0fe 100644
--- a/drivers/net/wimax/i2400m/i2400m.h
+++ b/drivers/net/wimax/i2400m/i2400m.h
@@ -817,8 +817,6 @@ void i2400m_put(struct i2400m *i2400m)
 }
 
 extern int i2400m_dev_reset_handle(struct i2400m *, const char *);
-extern int i2400m_bm_buf_alloc(struct i2400m *i2400m);
-extern void i2400m_bm_buf_free(struct i2400m *i2400m);
 
 /*
  * _setup()/_release() are called by the probe/disconnect functions of
diff --git a/drivers/net/wimax/i2400m/sdio.c b/drivers/net/wimax/i2400m/sdio.c
index 6e39665ecd8..14e66f06f23 100644
--- a/drivers/net/wimax/i2400m/sdio.c
+++ b/drivers/net/wimax/i2400m/sdio.c
@@ -519,18 +519,6 @@ int i2400ms_probe(struct sdio_func *func,
 	i2400m->bus_bm_mac_addr_impaired = 1;
 	i2400m->bus_bm_pokes_table = &i2400ms_pokes[0];
 
-	/*
-	 * Before we are enabling the device interrupt register, make
-	 * sure the buffer used during bootmode operation is setup so
-	 * when the first D2H data interrupt comes, the memory is
-	 * available for copying the D2H data.
-	 */
-	result = i2400m_bm_buf_alloc(i2400m);
-	if (result < 0) {
-		dev_err(dev, "cannot allocate SDIO bootmode buffer\n");
-		goto error_bootmode_buf_setup;
-	}
-
 	result = i2400m_setup(i2400m, I2400M_BRI_NO_REBOOT);
 	if (result < 0) {
 		dev_err(dev, "cannot setup device: %d\n", result);
@@ -548,8 +536,6 @@ int i2400ms_probe(struct sdio_func *func,
 error_debugfs_add:
 	i2400m_release(i2400m);
 error_setup:
-	i2400m_bm_buf_free(i2400m);
-error_bootmode_buf_setup:
 	sdio_set_drvdata(func, NULL);
 	free_netdev(net_dev);
 error_alloc_netdev:
diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c
index 3bf3f7288fe..77567970fe9 100644
--- a/drivers/net/wimax/i2400m/usb.c
+++ b/drivers/net/wimax/i2400m/usb.c
@@ -447,12 +447,6 @@ int i2400mu_probe(struct usb_interface *iface,
 	usb_dev->autosuspend_disabled = 0;
 #endif
 
-	result = i2400m_bm_buf_alloc(i2400m);
-	if (result < 0) {
-		dev_err(dev, "cannot allocate USB bootmode buffer\n");
-		goto error_bm_buf_alloc;
-	}
-
 	result = i2400m_setup(i2400m, I2400M_BRI_MAC_REINIT);
 	if (result < 0) {
 		dev_err(dev, "cannot setup device: %d\n", result);
@@ -468,8 +462,6 @@ int i2400mu_probe(struct usb_interface *iface,
 error_debugfs_add:
 	i2400m_release(i2400m);
 error_setup:
-	i2400m_bm_buf_free(i2400m);
-error_bm_buf_alloc:
 	usb_set_intfdata(iface, NULL);
 	usb_put_dev(i2400mu->usb_dev);
 	free_netdev(net_dev);
-- 
GitLab


From 3725d8c97436aeaa03eeb0c25361a7ec0f3f5bd2 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Thu, 17 Sep 2009 15:20:45 -0700
Subject: [PATCH 0361/1815] wimax/i2400m: Implement pre/post reset support in
 the USB driver

The USB stack can callback a driver is about to be reset by an
external entity and right after it, so the driver can save state and
then restore it.

This commit implements said support; it is implemented actually in the
core, bus-generic driver [i2400m_{pre,post}_reset()] and used by the
bus-specific drivers. This way the SDIO driver can also use it once
said support is brought to the SDIO stack.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/driver.c | 81 +++++++++++++++++++++++++++++++
 drivers/net/wimax/i2400m/i2400m.h |  2 +
 drivers/net/wimax/i2400m/usb.c    | 33 +++++++++++++
 3 files changed, 116 insertions(+)

diff --git a/drivers/net/wimax/i2400m/driver.c b/drivers/net/wimax/i2400m/driver.c
index 4fcdb18261f..1f6aa2a5542 100644
--- a/drivers/net/wimax/i2400m/driver.c
+++ b/drivers/net/wimax/i2400m/driver.c
@@ -619,6 +619,87 @@ int i2400m_pm_notifier(struct notifier_block *notifier,
 }
 
 
+/*
+ * pre-reset is called before a device is going on reset
+ *
+ * This has to be followed by a call to i2400m_post_reset(), otherwise
+ * bad things might happen.
+ */
+int i2400m_pre_reset(struct i2400m *i2400m)
+{
+	int result;
+	struct device *dev = i2400m_dev(i2400m);
+
+	d_fnstart(3, dev, "(i2400m %p)\n", i2400m);
+	d_printf(1, dev, "pre-reset shut down\n");
+
+	result = 0;
+	mutex_lock(&i2400m->init_mutex);
+	if (i2400m->updown) {
+		netif_tx_disable(i2400m->wimax_dev.net_dev);
+		__i2400m_dev_stop(i2400m);
+		result = 0;
+		/* down't set updown to zero -- this way
+		 * post_reset can restore properly */
+	}
+	mutex_unlock(&i2400m->init_mutex);
+	if (i2400m->bus_release)
+		i2400m->bus_release(i2400m);
+	d_fnend(3, dev, "(i2400m %p) = %d\n", i2400m, result);
+	return result;
+}
+EXPORT_SYMBOL_GPL(i2400m_pre_reset);
+
+
+/*
+ * Restore device state after a reset
+ *
+ * Do the work needed after a device reset to bring it up to the same
+ * state as it was before the reset.
+ *
+ * NOTE: this requires i2400m->init_mutex taken
+ */
+int i2400m_post_reset(struct i2400m *i2400m)
+{
+	int result = 0;
+	struct device *dev = i2400m_dev(i2400m);
+
+	d_fnstart(3, dev, "(i2400m %p)\n", i2400m);
+	d_printf(1, dev, "post-reset start\n");
+	if (i2400m->bus_setup) {
+		result = i2400m->bus_setup(i2400m);
+		if (result < 0) {
+			dev_err(dev, "bus-specific setup failed: %d\n",
+				result);
+			goto error_bus_setup;
+		}
+	}
+	mutex_lock(&i2400m->init_mutex);
+	if (i2400m->updown) {
+		result = __i2400m_dev_start(
+			i2400m, I2400M_BRI_SOFT | I2400M_BRI_MAC_REINIT);
+		if (result < 0)
+			goto error_dev_start;
+	}
+	mutex_unlock(&i2400m->init_mutex);
+	d_fnend(3, dev, "(i2400m %p) = %d\n", i2400m, result);
+	return result;
+
+error_dev_start:
+	if (i2400m->bus_release)
+		i2400m->bus_release(i2400m);
+error_bus_setup:
+	/* even if the device was up, it could not be recovered, so we
+	 * mark it as down. */
+	i2400m->updown = 0;
+	wmb();		/* see i2400m->updown's documentation  */
+	mutex_unlock(&i2400m->init_mutex);
+	d_fnend(3, dev, "(i2400m %p) = %d\n", i2400m, result);
+	return result;
+}
+EXPORT_SYMBOL_GPL(i2400m_post_reset);
+
+
 /*
  * The device has rebooted; fix up the device and the driver
  *
diff --git a/drivers/net/wimax/i2400m/i2400m.h b/drivers/net/wimax/i2400m/i2400m.h
index 1724955e0fe..8fc8a0ca512 100644
--- a/drivers/net/wimax/i2400m/i2400m.h
+++ b/drivers/net/wimax/i2400m/i2400m.h
@@ -817,6 +817,8 @@ void i2400m_put(struct i2400m *i2400m)
 }
 
 extern int i2400m_dev_reset_handle(struct i2400m *, const char *);
+extern int i2400m_pre_reset(struct i2400m *);
+extern int i2400m_post_reset(struct i2400m *);
 
 /*
  * _setup()/_release() are called by the probe/disconnect functions of
diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c
index 77567970fe9..8b246cc498b 100644
--- a/drivers/net/wimax/i2400m/usb.c
+++ b/drivers/net/wimax/i2400m/usb.c
@@ -637,6 +637,37 @@ int i2400mu_reset_resume(struct usb_interface *iface)
 }
 
 
+/*
+ * Another driver or user space is triggering a reset on the device
+ * which contains the interface passed as an argument. Cease IO and
+ * save any device state you need to restore.
+ *
+ * If you need to allocate memory here, use GFP_NOIO or GFP_ATOMIC, if
+ * you are in atomic context.
+ */
+static
+int i2400mu_pre_reset(struct usb_interface *iface)
+{
+	struct i2400mu *i2400mu = usb_get_intfdata(iface);
+	return i2400m_pre_reset(&i2400mu->i2400m);
+}
+
+
+/*
+ * The reset has completed.  Restore any saved device state and begin
+ * using the device again.
+ *
+ * If you need to allocate memory here, use GFP_NOIO or GFP_ATOMIC, if
+ * you are in atomic context.
+ */
+static
+int i2400mu_post_reset(struct usb_interface *iface)
+{
+	struct i2400mu *i2400mu = usb_get_intfdata(iface);
+	return i2400m_post_reset(&i2400mu->i2400m);
+}
+
+
 static
 struct usb_device_id i2400mu_id_table[] = {
 	{ USB_DEVICE(0x8086, USB_DEVICE_ID_I6050) },
@@ -660,6 +691,8 @@ struct usb_driver i2400mu_driver = {
 	.reset_resume = i2400mu_reset_resume,
 	.probe = i2400mu_probe,
 	.disconnect = i2400mu_disconnect,
+	.pre_reset = i2400mu_pre_reset,
+	.post_reset = i2400mu_post_reset,
 	.id_table = i2400mu_id_table,
 	.supports_autosuspend = 1,
 };
-- 
GitLab


From e1633fd636f3ed0379fcf08c47962205eadddb6b Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Fri, 18 Sep 2009 11:50:50 -0700
Subject: [PATCH 0362/1815] wimax/i2400m: reduce verbosity of debug messages in
 boot mode

Missed a debug message that was being constantly printed as a
dev_err(); became annoying. Demote it to a debug message.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/sdio-rx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wimax/i2400m/sdio-rx.c b/drivers/net/wimax/i2400m/sdio-rx.c
index 98ee7fdfd62..8adf6c9b6f8 100644
--- a/drivers/net/wimax/i2400m/sdio-rx.c
+++ b/drivers/net/wimax/i2400m/sdio-rx.c
@@ -165,7 +165,7 @@ void i2400ms_rx(struct i2400ms *i2400ms)
 		spin_unlock(&i2400m->rx_lock);
 		memcpy(i2400m->bm_ack_buf, skb->data, rx_size);
 		wake_up(&i2400ms->bm_wfa_wq);
-		dev_err(dev, "RX: SDIO boot mode message\n");
+		d_printf(5, dev, "RX: SDIO boot mode message\n");
 		kfree_skb(skb);
 		goto out;
 	}
-- 
GitLab


From 9835fd84990ca253c5b625005717a9be492788c0 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Tue, 29 Sep 2009 16:28:24 -0700
Subject: [PATCH 0363/1815] wimax/i2400m: fix race condition with tcpdump et al

tcpdump and friends were not being able to decode packets sent via
WiMAX; they had a zero ethernet type, even when the stack was properly
sending them to the device with the right type.

It happens that the driver was overwriting the (fake) ethernet header
for creating the hardware header and that was bitting the cloning used
by tcpdump (et al) to look into the packets.

Use pkskb_expand_head() [method copied from the e1000 driver] to fix.

Thanks to Herbert Xu and Andi Kleen for helping to diagnose and
pointing to the right fix.

Cc: Herbert Xu <gondor.apana.org.au>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/netdev.c | 21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wimax/i2400m/netdev.c b/drivers/net/wimax/i2400m/netdev.c
index fefd794087a..e7d1a51ee3f 100644
--- a/drivers/net/wimax/i2400m/netdev.c
+++ b/drivers/net/wimax/i2400m/netdev.c
@@ -358,6 +358,20 @@ netdev_tx_t i2400m_hard_start_xmit(struct sk_buff *skb,
 	int result;
 
 	d_fnstart(3, dev, "(skb %p net_dev %p)\n", skb, net_dev);
+	if (skb_header_cloned(skb)) {
+		/*
+		 * Make tcpdump/wireshark happy -- if they are
+		 * running, the skb is cloned and we will overwrite
+		 * the mac fields in i2400m_tx_prep_header. Expand
+		 * seems to fix this...
+		 */
+		result = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
+		if (result) {
+			result = NETDEV_TX_BUSY;
+			goto error_expand;
+		}
+	}
+
 	if (i2400m->state == I2400M_SS_IDLE)
 		result = i2400m_net_wake_tx(i2400m, net_dev, skb);
 	else
@@ -368,10 +382,11 @@ netdev_tx_t i2400m_hard_start_xmit(struct sk_buff *skb,
 		net_dev->stats.tx_packets++;
 		net_dev->stats.tx_bytes += skb->len;
 	}
+	result = NETDEV_TX_OK;
+error_expand:
 	kfree_skb(skb);
-
-	d_fnend(3, dev, "(skb %p net_dev %p)\n", skb, net_dev);
-	return NETDEV_TX_OK;
+	d_fnend(3, dev, "(skb %p net_dev %p) = %d\n", skb, net_dev, result);
+	return result;
 }
 
 
-- 
GitLab


From de9315fa3a35ebe587cc1a1c88655d095846785e Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Wed, 30 Sep 2009 16:33:26 -0700
Subject: [PATCH 0364/1815] wimax: allow user space to send messages once the
 device is registered

It makes sense that the messaging pipe to the device can be used
before the device is fully ready, as long as it is registered with the
stack. Some debugging tools need it.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 net/wimax/op-msg.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/wimax/op-msg.c b/net/wimax/op-msg.c
index d631a17186b..d3bfb6ef13a 100644
--- a/net/wimax/op-msg.c
+++ b/net/wimax/op-msg.c
@@ -388,6 +388,8 @@ int wimax_gnl_doit_msg_from_user(struct sk_buff *skb, struct genl_info *info)
 	}
 	mutex_lock(&wimax_dev->mutex);
 	result = wimax_dev_is_ready(wimax_dev);
+	if (result == -ENOMEDIUM)
+		result = 0;
 	if (result < 0)
 		goto error_not_ready;
 	result = -ENOSYS;
-- 
GitLab


From 81d3f905389e22bb9a5176b9309c3f451c260e1a Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Sat, 3 Oct 2009 16:51:02 +0900
Subject: [PATCH 0365/1815] wimax: allow WIMAX_RF_QUERY calls when state is
 still uninitialized

Until now, calls to wimax_rfkill() will be blocked until the device is
at least past the WIMAX_ST_UNINITIALIZED state, return -ENOMEDIUM when
the device is in the WIMAX_ST_DOWN state.

In parallel, wimax-tools would issue a wimax_rfkill(WIMAX_RF_QUERY)
call right after opening a handle with wimaxll_open() as means to
verify if the interface is really a WiMAX interface [newer kernel
version will have a call specifically for this].

The combination of these two facts is that in some cases, before the
driver has finalized initializing its device's firmware, a
wimaxll_open() call would fail, when it should not.

Thus, change the wimax_rfkill() code to allow queries when the device
is in WIMAX_ST_UNINITIALIZED state.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 net/wimax/op-rfkill.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/net/wimax/op-rfkill.c b/net/wimax/op-rfkill.c
index 40e1210cdbd..94d339c345d 100644
--- a/net/wimax/op-rfkill.c
+++ b/net/wimax/op-rfkill.c
@@ -305,8 +305,15 @@ int wimax_rfkill(struct wimax_dev *wimax_dev, enum wimax_rf_state state)
 	d_fnstart(3, dev, "(wimax_dev %p state %u)\n", wimax_dev, state);
 	mutex_lock(&wimax_dev->mutex);
 	result = wimax_dev_is_ready(wimax_dev);
-	if (result < 0)
+	if (result < 0) {
+		/* While initializing, < 1.4.3 wimax-tools versions use
+		 * this call to check if the device is a valid WiMAX
+		 * device; so we allow it to proceed always,
+		 * considering the radios are all off. */
+		if (result == -ENOMEDIUM && state == WIMAX_RF_QUERY)
+			result = WIMAX_RF_OFF << 1 | WIMAX_RF_OFF;
 		goto error_not_ready;
+	}
 	switch (state) {
 	case WIMAX_RF_ON:
 	case WIMAX_RF_OFF:
-- 
GitLab


From 6f4fc90a36fbe87e3003b3f7c8090ecc89bd1353 Mon Sep 17 00:00:00 2001
From: Cindy H Kao <cindy.h.kao@intel.com>
Date: Fri, 2 Oct 2009 19:18:43 -0700
Subject: [PATCH 0366/1815] wimax/i2400m: use JUMP cmd for last FW chunk
 indication

Both secure and non-secure boot must set the JUMP command in the
bootmode header as the last FW chunk, so we change to use the JUMP
command to decide if the FW chunk download is completed.

Since we tend to use one single FW to support both secure and non-secure
boot for most of the time, I2400M_BRH_SIGNED_JUMP is actually found
even for non-secure boot. But in case the FW does come with
I2400M_BRH_JUMP, we check for both of them in i2400m_dnload_bcf().

Signed-off-by: Cindy H Kao <cindy.h.kao@intel.com>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/fw.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wimax/i2400m/fw.c b/drivers/net/wimax/i2400m/fw.c
index 3d67bcfc7b5..97ea7840672 100644
--- a/drivers/net/wimax/i2400m/fw.c
+++ b/drivers/net/wimax/i2400m/fw.c
@@ -720,14 +720,17 @@ ssize_t i2400m_dnload_bcf(struct i2400m *i2400m,
 			 "downloading section #%zu (@%zu %zu B) to 0x%08x\n",
 			 section, offset, sizeof(*bh) + data_size,
 			 le32_to_cpu(bh->target_addr));
-		if (i2400m_brh_get_opcode(bh) == I2400M_BRH_SIGNED_JUMP) {
-			/* Secure boot needs to stop here */
-			d_printf(5, dev,  "signed jump found @%zu\n", offset);
+		/*
+		 * We look for JUMP cmd from the bootmode header,
+		 * either I2400M_BRH_SIGNED_JUMP for secure boot
+		 * or I2400M_BRH_JUMP for unsecure boot, the last chunk
+		 * should be the bootmode header with JUMP cmd.
+		 */
+		if (i2400m_brh_get_opcode(bh) == I2400M_BRH_SIGNED_JUMP ||
+			i2400m_brh_get_opcode(bh) == I2400M_BRH_JUMP) {
+			d_printf(5, dev,  "jump found @%zu\n", offset);
 			break;
 		}
-		if (offset + section_size == bcf_len)
-			/* Non-secure boot stops here */
-			break;
 		if (offset + section_size > bcf_len) {
 			dev_err(dev, "fw %s: bad section #%zu, "
 				"end (@%zu) beyond EOF (@%zu)\n",
-- 
GitLab


From 28cff50d99ce9a1db65b7d4dcdcc0f1f8d9f9309 Mon Sep 17 00:00:00 2001
From: Cindy H Kao <cindy.h.kao@intel.com>
Date: Fri, 2 Oct 2009 19:31:17 -0700
Subject: [PATCH 0367/1815] wimax/i2400m: change the bcf_len to exclude the
 extended header size

The actual fw->size may not equal to the bcf size indicated in
the bcf header if the extended bcf debug header is added in the tail.

To reflect the actual fw size that will be downloaded to the device,
it is now retrived from from the size field indicated in the bcf header.

All of the headers (if there are extended headers) should indicate same
value for the size field since only one set of firmware chunks is downloaded

Signed-off-by: Cindy H Kao <cindy.h.kao@intel.com>
---
 drivers/net/wimax/i2400m/fw.c | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wimax/i2400m/fw.c b/drivers/net/wimax/i2400m/fw.c
index 97ea7840672..fda54bfdf70 100644
--- a/drivers/net/wimax/i2400m/fw.c
+++ b/drivers/net/wimax/i2400m/fw.c
@@ -1388,15 +1388,16 @@ const struct i2400m_bcf_hdr *i2400m_bcf_hdr_find(struct i2400m *i2400m)
  */
 static
 int i2400m_fw_dnload(struct i2400m *i2400m, const struct i2400m_bcf_hdr *bcf,
-		     size_t bcf_size, enum i2400m_bri flags)
+		     size_t fw_size, enum i2400m_bri flags)
 {
 	int ret = 0;
 	struct device *dev = i2400m_dev(i2400m);
 	int count = i2400m->bus_bm_retries;
 	const struct i2400m_bcf_hdr *bcf_hdr;
+	size_t bcf_size;
 
-	d_fnstart(5, dev, "(i2400m %p bcf %p size %zu)\n",
-		  i2400m, bcf, bcf_size);
+	d_fnstart(5, dev, "(i2400m %p bcf %p fw size %zu)\n",
+		  i2400m, bcf, fw_size);
 	i2400m->boot_mode = 1;
 	wmb();		/* Make sure other readers see it */
 hw_reboot:
@@ -1434,6 +1435,12 @@ hw_reboot:
 	if (ret < 0)
 		goto error_dnload_init;
 
+	/*
+	 * bcf_size refers to one header size plus the fw sections size
+	 * indicated by the header,ie. if there are other extended headers
+	 * at the tail, they are not counted
+	 */
+	bcf_size = sizeof(u32) * le32_to_cpu(bcf_hdr->size);
 	ret = i2400m_dnload_bcf(i2400m, bcf, bcf_size);
 	if (ret == -ERESTARTSYS)
 		goto error_dev_rebooted;
@@ -1464,7 +1471,7 @@ error_bcf_hdr_find:
 error_bootrom_init:
 error_too_many_reboots:
 	d_fnend(5, dev, "(i2400m %p bcf %p size %zu) = %d\n",
-		i2400m, bcf, bcf_size, ret);
+		i2400m, bcf, fw_size, ret);
 	return ret;
 
 error_dev_rebooted:
-- 
GitLab


From 5eeae35b9a2e304fc4ae3d9eed63afeea23b482c Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Wed, 7 Oct 2009 12:20:15 +0900
Subject: [PATCH 0368/1815] wimax/i2400m: when stopping the device, cancel any
 pending message

The stop procedure for the device must make sure that any task that is
waiting on a message is properly cancelled.

This was being taken care of only by the __i2400m_dev_reset_handle()
path and the rest was working by chance because the waits have a
timeout.

Fixed by adding a proper cancellation in __i2400m_dev_stop().

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/driver.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/wimax/i2400m/driver.c b/drivers/net/wimax/i2400m/driver.c
index 1f6aa2a5542..810eda7dbdb 100644
--- a/drivers/net/wimax/i2400m/driver.c
+++ b/drivers/net/wimax/i2400m/driver.c
@@ -537,6 +537,8 @@ void __i2400m_dev_stop(struct i2400m *i2400m)
 
 	d_fnstart(3, dev, "(i2400m %p)\n", i2400m);
 	wimax_state_change(wimax_dev, __WIMAX_ST_QUIESCING);
+	i2400m_msg_to_dev_cancel_wait(i2400m, -EL3RST);
+	complete(&i2400m->msg_completion);
 	i2400m_net_wake_stop(i2400m);
 	i2400m_dev_shutdown(i2400m);
 	/*
-- 
GitLab


From b9ee95010bee6c0e17d18bc9d9c0cfab6e8cb73a Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Wed, 7 Oct 2009 12:34:13 +0900
Subject: [PATCH 0369/1815] wimax/i2400m: fix deadlock: don't do BUS reset
 under i2400m->init_mutex

Since the addition of the pre/post reset handlers, it became clear
that we cannot do a I2400M-RT-BUS type reset while holding the
init_mutex, as in the case of USB, it will deadlock when trying to
call i2400m_pre_reset().

Thus, the following changes:

 - clarify the fact that calling bus_reset() w/ I2400M_RT_BUS while
   holding init_mutex is a no-no.

 - i2400m_dev_reset_handle() will do a BUS reset to recover a gone
   device after unlocking init_mutex.

 - in the USB reset implementation, when cold and warm reset fails,
   fallback to QUEUING a usb reset, not executing a USB reset, so it
   happens from another context and does not deadlock.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/driver.c | 10 +++++++---
 drivers/net/wimax/i2400m/i2400m.h |  3 +++
 drivers/net/wimax/i2400m/usb.c    | 14 ++++++++++----
 3 files changed, 20 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wimax/i2400m/driver.c b/drivers/net/wimax/i2400m/driver.c
index 810eda7dbdb..10673af5a7f 100644
--- a/drivers/net/wimax/i2400m/driver.c
+++ b/drivers/net/wimax/i2400m/driver.c
@@ -765,9 +765,7 @@ void __i2400m_dev_reset_handle(struct work_struct *ws)
 		wmb();		/* see i2400m->updown's documentation  */
 		dev_err(dev, "%s: cannot start the device: %d\n",
 			reason, result);
-		result = i2400m->bus_reset(i2400m, I2400M_RT_BUS);
-		if (result >= 0)
-			result = -ENODEV;
+		result = -EUCLEAN;
 	}
 out_unlock:
 	if (i2400m->reset_ctx) {
@@ -775,6 +773,12 @@ out_unlock:
 		complete(&ctx->completion);
 	}
 	mutex_unlock(&i2400m->init_mutex);
+	if (result == -EUCLEAN) {
+		/* ops, need to clean up [w/ init_mutex not held] */
+		result = i2400m->bus_reset(i2400m, I2400M_RT_BUS);
+		if (result >= 0)
+			result = -ENODEV;
+	}
 out:
 	i2400m_put(i2400m);
 	kfree(iw);
diff --git a/drivers/net/wimax/i2400m/i2400m.h b/drivers/net/wimax/i2400m/i2400m.h
index 8fc8a0ca512..f5ed7d5cee4 100644
--- a/drivers/net/wimax/i2400m/i2400m.h
+++ b/drivers/net/wimax/i2400m/i2400m.h
@@ -281,6 +281,9 @@ struct i2400m_barker_db;
  *     process, so it cannot rely on common infrastructure being laid
  *     out.
  *
+ *     IMPORTANT: don't call reset on RT_BUS with i2400m->init_mutex
+ *     held, as the .pre/.post reset handlers will deadlock.
+ *
  * @bus_bm_retries: [fill] How many times shall a firmware upload /
  *     device initialization be retried? Different models of the same
  *     device might need different values, hence it is set by the
diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c
index 8b246cc498b..418db12b0cd 100644
--- a/drivers/net/wimax/i2400m/usb.c
+++ b/drivers/net/wimax/i2400m/usb.c
@@ -254,7 +254,6 @@ int i2400mu_bus_reset(struct i2400m *i2400m, enum i2400m_reset_type rt)
 			sizeof(i2400m_COLD_BOOT_BARKER),
 			i2400mu->endpoint_cfg.reset_cold);
 	else if (rt == I2400M_RT_BUS) {
-do_bus_reset:
 		result = usb_reset_device(i2400mu->usb_dev);
 		switch (result) {
 		case 0:
@@ -262,7 +261,7 @@ do_bus_reset:
 		case -ENODEV:
 		case -ENOENT:
 		case -ESHUTDOWN:
-			result = rt == I2400M_RT_WARM ? -ENODEV : 0;
+			result = 0;
 			break;	/* We assume the device is disconnected */
 		default:
 			dev_err(dev, "USB reset failed (%d), giving up!\n",
@@ -275,10 +274,17 @@ do_bus_reset:
 	if (result < 0
 	    && result != -EINVAL	/* device is gone */
 	    && rt != I2400M_RT_BUS) {
+		/*
+		 * Things failed -- resort to lower level reset, that
+		 * we queue in another context; the reason for this is
+		 * that the pre and post reset functionality requires
+		 * the i2400m->init_mutex; RT_WARM and RT_COLD can
+		 * come from areas where i2400m->init_mutex is taken.
+		 */
 		dev_err(dev, "%s reset failed (%d); trying USB reset\n",
 			rt == I2400M_RT_WARM ? "warm" : "cold", result);
-		rt = I2400M_RT_BUS;
-		goto do_bus_reset;
+		usb_queue_reset_device(i2400mu->usb_iface);
+		result = -ENODEV;
 	}
 	d_fnend(3, dev, "(i2400m %p rt %u) = %d\n", i2400m, rt, result);
 	return result;
-- 
GitLab


From af77dfa7811cd4e533003a9e7e9bf27dece96c6d Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Wed, 7 Oct 2009 21:37:53 +0900
Subject: [PATCH 0370/1815] wimax/i2400m: move i2400m_init() out of i2400m.h

Upcoming changes will have to add things to this function that expose
more internals, which would mean more forward declarators.

Frankly, it doesn't need to be an inline, so moved to driver.c, where
the declarations will be taken from the header file.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/driver.c | 30 ++++++++++++++++++++++++++++++
 drivers/net/wimax/i2400m/i2400m.h | 31 +------------------------------
 2 files changed, 31 insertions(+), 30 deletions(-)

diff --git a/drivers/net/wimax/i2400m/driver.c b/drivers/net/wimax/i2400m/driver.c
index 10673af5a7f..9b78e059563 100644
--- a/drivers/net/wimax/i2400m/driver.c
+++ b/drivers/net/wimax/i2400m/driver.c
@@ -848,6 +848,36 @@ void i2400m_bm_buf_free(struct i2400m *i2400m)
 }
 
 
+/**
+ * i2400m_init - Initialize a 'struct i2400m' from all zeroes
+ *
+ * This is a bus-generic API call.
+ */
+void i2400m_init(struct i2400m *i2400m)
+{
+	wimax_dev_init(&i2400m->wimax_dev);
+
+	i2400m->boot_mode = 1;
+	i2400m->rx_reorder = 1;
+	init_waitqueue_head(&i2400m->state_wq);
+
+	spin_lock_init(&i2400m->tx_lock);
+	i2400m->tx_pl_min = UINT_MAX;
+	i2400m->tx_size_min = UINT_MAX;
+
+	spin_lock_init(&i2400m->rx_lock);
+	i2400m->rx_pl_min = UINT_MAX;
+	i2400m->rx_size_min = UINT_MAX;
+
+	mutex_init(&i2400m->msg_mutex);
+	init_completion(&i2400m->msg_completion);
+
+	mutex_init(&i2400m->init_mutex);
+	/* wake_tx_ws is initialized in i2400m_tx_setup() */
+}
+EXPORT_SYMBOL_GPL(i2400m_init);
+
+
 /**
  * i2400m_setup - bus-generic setup function for the i2400m device
  *
diff --git a/drivers/net/wimax/i2400m/i2400m.h b/drivers/net/wimax/i2400m/i2400m.h
index f5ed7d5cee4..4f8815d8887 100644
--- a/drivers/net/wimax/i2400m/i2400m.h
+++ b/drivers/net/wimax/i2400m/i2400m.h
@@ -575,36 +575,6 @@ struct i2400m {
 };
 
 
-/*
- * Initialize a 'struct i2400m' from all zeroes
- *
- * This is a bus-generic API call.
- */
-static inline
-void i2400m_init(struct i2400m *i2400m)
-{
-	wimax_dev_init(&i2400m->wimax_dev);
-
-	i2400m->boot_mode = 1;
-	i2400m->rx_reorder = 1;
-	init_waitqueue_head(&i2400m->state_wq);
-
-	spin_lock_init(&i2400m->tx_lock);
-	i2400m->tx_pl_min = UINT_MAX;
-	i2400m->tx_size_min = UINT_MAX;
-
-	spin_lock_init(&i2400m->rx_lock);
-	i2400m->rx_pl_min = UINT_MAX;
-	i2400m->rx_size_min = UINT_MAX;
-
-	mutex_init(&i2400m->msg_mutex);
-	init_completion(&i2400m->msg_completion);
-
-	mutex_init(&i2400m->init_mutex);
-	/* wake_tx_ws is initialized in i2400m_tx_setup() */
-}
-
-
 /*
  * Bus-generic internal APIs
  * -------------------------
@@ -737,6 +707,7 @@ unsigned i2400m_brh_get_signature(const struct i2400m_bootrom_header *hdr)
 /*
  * Driver / device setup and internal functions
  */
+extern void i2400m_init(struct i2400m *);
 extern void i2400m_netdev_setup(struct net_device *net_dev);
 extern int i2400m_sysfs_setup(struct device_driver *);
 extern void i2400m_sysfs_release(struct device_driver *);
-- 
GitLab


From a0beba21c3e2dff9a31739f1660ba3ff8c7150a7 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Wed, 7 Oct 2009 21:43:10 +0900
Subject: [PATCH 0371/1815] wimax/i2400m: queue device's report until the
 driver is ready for them

The i2400m might start sending reports to the driver before it is done
setting up all the infrastructure needed for handling them.

Currently we were just dropping them when the driver wasn't ready and
that is bad in certain situations, as the sync between the driver's
idea of the device's state and the device's state dissapears.

This changes that by implementing a queue for handling
reports. Incoming reports are appended to it and a workstruct is woken
to process the list of queued reports.

When the device is not yet ready to handle them, the workstruct is not
woken, but at soon as the device becomes ready again, the queue is
processed.

As a consequence of this, i2400m_queue_work() is no longer used, and
thus removed.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/driver.c |  74 +---------------
 drivers/net/wimax/i2400m/i2400m.h |  14 ++-
 drivers/net/wimax/i2400m/rx.c     | 142 ++++++++++++++++++++++++------
 3 files changed, 128 insertions(+), 102 deletions(-)

diff --git a/drivers/net/wimax/i2400m/driver.c b/drivers/net/wimax/i2400m/driver.c
index 9b78e059563..42102ebad1a 100644
--- a/drivers/net/wimax/i2400m/driver.c
+++ b/drivers/net/wimax/i2400m/driver.c
@@ -128,76 +128,6 @@ struct i2400m_work *__i2400m_work_setup(
 }
 
 
-/**
- * i2400m_queue_work - schedule work on a i2400m's queue
- *
- * @i2400m: device descriptor
- *
- * @fn: function to run to execute work. It gets passed a 'struct
- *     work_struct' that is wrapped in a 'struct i2400m_work'. Once
- *     done, you have to (1) i2400m_put(i2400m_work->i2400m) and then
- *     (2) kfree(i2400m_work).
- *
- * @gfp_flags: GFP flags for memory allocation.
- *
- * @pl: pointer to a payload buffer that you want to pass to the _work
- *     function. Use this to pack (for example) a struct with extra
- *     arguments.
- *
- * @pl_size: size of the payload buffer.
- *
- * We do this quite often, so this just saves typing; allocate a
- * wrapper for a i2400m, get a ref to it, pack arguments and launch
- * the work.
- *
- * A usual workflow is:
- *
- * struct my_work_args {
- *         void *something;
- *         int whatever;
- * };
- * ...
- *
- * struct my_work_args my_args = {
- *         .something = FOO,
- *         .whaetever = BLAH
- * };
- * i2400m_queue_work(i2400m, 1, my_work_function, GFP_KERNEL,
- *                   &args, sizeof(args))
- *
- * And now the work function can unpack the arguments and call the
- * real function (or do the job itself):
- *
- * static
- * void my_work_fn((struct work_struct *ws)
- * {
- *         struct i2400m_work *iw =
- *	           container_of(ws, struct i2400m_work, ws);
- *	   struct my_work_args *my_args = (void *) iw->pl;
- *
- *	   my_work(iw->i2400m, my_args->something, my_args->whatevert);
- * }
- */
-int i2400m_queue_work(struct i2400m *i2400m,
-		      void (*fn)(struct work_struct *), gfp_t gfp_flags,
-		      const void *pl, size_t pl_size)
-{
-	int result;
-	struct i2400m_work *iw;
-
-	BUG_ON(i2400m->work_queue == NULL);
-	result = -ENOMEM;
-	iw = __i2400m_work_setup(i2400m, fn, gfp_flags, pl, pl_size);
-	if (iw != NULL) {
-		result = queue_work(i2400m->work_queue, &iw->ws);
-		if (WARN_ON(result == 0))
-			result = -ENXIO;
-	}
-	return result;
-}
-EXPORT_SYMBOL_GPL(i2400m_queue_work);
-
-
 /*
  * Schedule i2400m's specific work on the system's queue.
  *
@@ -459,6 +389,8 @@ retry:
 		goto error_bus_dev_start;
 	i2400m->ready = 1;
 	wmb();		/* see i2400m->ready's documentation  */
+	/* process pending reports from the device */
+	queue_work(i2400m->work_queue, &i2400m->rx_report_ws);
 	result = i2400m_firmware_check(i2400m);	/* fw versions ok? */
 	if (result < 0)
 		goto error_fw_check;
@@ -868,6 +800,8 @@ void i2400m_init(struct i2400m *i2400m)
 	spin_lock_init(&i2400m->rx_lock);
 	i2400m->rx_pl_min = UINT_MAX;
 	i2400m->rx_size_min = UINT_MAX;
+	INIT_LIST_HEAD(&i2400m->rx_reports);
+	INIT_WORK(&i2400m->rx_report_ws, i2400m_report_hook_work);
 
 	mutex_init(&i2400m->msg_mutex);
 	init_completion(&i2400m->msg_completion);
diff --git a/drivers/net/wimax/i2400m/i2400m.h b/drivers/net/wimax/i2400m/i2400m.h
index 4f8815d8887..55bca430c69 100644
--- a/drivers/net/wimax/i2400m/i2400m.h
+++ b/drivers/net/wimax/i2400m/i2400m.h
@@ -421,6 +421,13 @@ struct i2400m_barker_db;
  *     delivered. Then the driver can release them to the host. See
  *     drivers/net/i2400m/rx.c for details.
  *
+ * @rx_reports: reports received from the device that couldn't be
+ *     processed because the driver wasn't still ready; when ready,
+ *     they are pulled from here and chewed.
+ *
+ * @rx_reports_ws: Work struct used to kick a scan of the RX reports
+ *     list and to process each.
+ *
  * @src_mac_addr: MAC address used to make ethernet packets be coming
  *     from. This is generated at i2400m_setup() time and used during
  *     the life cycle of the instance. See i2400m_fake_eth_header().
@@ -548,6 +555,8 @@ struct i2400m {
 		rx_num, rx_size_acc, rx_size_min, rx_size_max;
 	struct i2400m_roq *rx_roq;	/* not under rx_lock! */
 	u8 src_mac_addr[ETH_HLEN];
+	struct list_head rx_reports;	/* under rx_lock! */
+	struct work_struct rx_report_ws;
 
 	struct mutex msg_mutex;		/* serialize command execution */
 	struct completion msg_completion;
@@ -830,9 +839,7 @@ struct i2400m_work {
 	size_t pl_size;
 	u8 pl[0];
 };
-extern int i2400m_queue_work(struct i2400m *,
-			     void (*)(struct work_struct *), gfp_t,
-			     const void *, size_t);
+
 extern int i2400m_schedule_work(struct i2400m *,
 				void (*)(struct work_struct *), gfp_t,
 				const void *, size_t);
@@ -847,6 +854,7 @@ extern void i2400m_msg_ack_hook(struct i2400m *,
 				const struct i2400m_l3l4_hdr *, size_t);
 extern void i2400m_report_hook(struct i2400m *,
 			       const struct i2400m_l3l4_hdr *, size_t);
+extern void i2400m_report_hook_work(struct work_struct *);
 extern int i2400m_cmd_enter_powersave(struct i2400m *);
 extern int i2400m_cmd_get_state(struct i2400m *);
 extern int i2400m_cmd_exit_idle(struct i2400m *);
diff --git a/drivers/net/wimax/i2400m/rx.c b/drivers/net/wimax/i2400m/rx.c
index 82c200ad9fd..64a44ca0067 100644
--- a/drivers/net/wimax/i2400m/rx.c
+++ b/drivers/net/wimax/i2400m/rx.c
@@ -158,29 +158,104 @@ struct i2400m_report_hook_args {
 	struct sk_buff *skb_rx;
 	const struct i2400m_l3l4_hdr *l3l4_hdr;
 	size_t size;
+	struct list_head list_node;
 };
 
 
 /*
  * Execute i2400m_report_hook in a workqueue
  *
- * Unpacks arguments from the deferred call, executes it and then
- * drops the references.
+ * Goes over the list of queued reports in i2400m->rx_reports and
+ * processes them.
  *
- * Obvious NOTE: References are needed because we are a separate
- *     thread; otherwise the buffer changes under us because it is
- *     released by the original caller.
+ * NOTE: refcounts on i2400m are not needed because we flush the
+ *     workqueue this runs on (i2400m->work_queue) before destroying
+ *     i2400m.
  */
-static
 void i2400m_report_hook_work(struct work_struct *ws)
 {
-	struct i2400m_work *iw =
-		container_of(ws, struct i2400m_work, ws);
-	struct i2400m_report_hook_args *args = (void *) iw->pl;
-	i2400m_report_hook(iw->i2400m, args->l3l4_hdr, args->size);
-	kfree_skb(args->skb_rx);
-	i2400m_put(iw->i2400m);
-	kfree(iw);
+	struct i2400m *i2400m = container_of(ws, struct i2400m, rx_report_ws);
+	struct device *dev = i2400m_dev(i2400m);
+	struct i2400m_report_hook_args *args, *args_next;
+	LIST_HEAD(list);
+	unsigned long flags;
+
+	while (1) {
+		spin_lock_irqsave(&i2400m->rx_lock, flags);
+		list_splice_init(&i2400m->rx_reports, &list);
+		spin_unlock_irqrestore(&i2400m->rx_lock, flags);
+		if (list_empty(&list))
+			break;
+		else
+			d_printf(1, dev, "processing queued reports\n");
+		list_for_each_entry_safe(args, args_next, &list, list_node) {
+			d_printf(2, dev, "processing queued report %p\n", args);
+			i2400m_report_hook(i2400m, args->l3l4_hdr, args->size);
+			kfree_skb(args->skb_rx);
+			list_del(&args->list_node);
+			kfree(args);
+		}
+	}
+}
+
+
+/*
+ * Flush the list of queued reports
+ */
+static
+void i2400m_report_hook_flush(struct i2400m *i2400m)
+{
+	struct device *dev = i2400m_dev(i2400m);
+	struct i2400m_report_hook_args *args, *args_next;
+	LIST_HEAD(list);
+	unsigned long flags;
+
+	d_printf(1, dev, "flushing queued reports\n");
+	spin_lock_irqsave(&i2400m->rx_lock, flags);
+	list_splice_init(&i2400m->rx_reports, &list);
+	spin_unlock_irqrestore(&i2400m->rx_lock, flags);
+	list_for_each_entry_safe(args, args_next, &list, list_node) {
+		d_printf(2, dev, "flushing queued report %p\n", args);
+		kfree_skb(args->skb_rx);
+		list_del(&args->list_node);
+		kfree(args);
+	}
+}
+
+
+/*
+ * Queue a report for later processing
+ *
+ * @i2400m: device descriptor
+ * @skb_rx: skb that contains the payload (for reference counting)
+ * @l3l4_hdr: pointer to the control
+ * @size: size of the message
+ */
+static
+void i2400m_report_hook_queue(struct i2400m *i2400m, struct sk_buff *skb_rx,
+			      const void *l3l4_hdr, size_t size)
+{
+	struct device *dev = i2400m_dev(i2400m);
+	unsigned long flags;
+	struct i2400m_report_hook_args *args;
+
+	args = kzalloc(sizeof(*args), GFP_NOIO);
+	if (args) {
+		args->skb_rx = skb_get(skb_rx);
+		args->l3l4_hdr = l3l4_hdr;
+		args->size = size;
+		spin_lock_irqsave(&i2400m->rx_lock, flags);
+		list_add_tail(&args->list_node, &i2400m->rx_reports);
+		spin_unlock_irqrestore(&i2400m->rx_lock, flags);
+		d_printf(2, dev, "queued report %p\n", args);
+		rmb();		/* see i2400m->ready's documentation  */
+		if (likely(i2400m->ready))	/* only send if up */
+			queue_work(i2400m->work_queue, &i2400m->rx_report_ws);
+	} else  {
+		if (printk_ratelimit())
+			dev_err(dev, "%s:%u: Can't allocate %zu B\n",
+				__func__, __LINE__, sizeof(*args));
+	}
 }
 
 
@@ -294,22 +369,29 @@ void i2400m_rx_ctl(struct i2400m *i2400m, struct sk_buff *skb_rx,
 		 msg_type, size);
 	d_dump(2, dev, l3l4_hdr, size);
 	if (msg_type & I2400M_MT_REPORT_MASK) {
-		/* These hooks have to be ran serialized; as well, the
-		 * handling might force the execution of commands, and
-		 * that might cause reentrancy issues with
-		 * bus-specific subdrivers and workqueues. So we run
-		 * it in a separate workqueue. */
-		struct i2400m_report_hook_args args = {
-			.skb_rx = skb_rx,
-			.l3l4_hdr = l3l4_hdr,
-			.size = size
-		};
-		rmb();		/* see i2400m->ready's documentation  */
-		if (likely(i2400m->ready)) {	/* only send if up */
-			skb_get(skb_rx);
-			i2400m_queue_work(i2400m, i2400m_report_hook_work,
-					  GFP_KERNEL, &args, sizeof(args));
-		}
+		/*
+		 * Process each report
+		 *
+		 * - has to be ran serialized as well
+		 *
+		 * - the handling might force the execution of
+		 *   commands. That might cause reentrancy issues with
+		 *   bus-specific subdrivers and workqueues, so the we
+		 *   run it in a separate workqueue.
+		 *
+		 * - when the driver is not yet ready to handle them,
+		 *   they are queued and at some point the queue is
+		 *   restarted [NOTE: we can't queue SKBs directly, as
+		 *   this might be a piece of a SKB, not the whole
+		 *   thing, and this is cheaper than cloning the
+		 *   SKB].
+		 *
+		 * Note we don't do refcounting for the device
+		 * structure; this is because before destroying
+		 * 'i2400m', we make sure to flush the
+		 * i2400m->work_queue, so there are no issues.
+		 */
+		i2400m_report_hook_queue(i2400m, skb_rx, l3l4_hdr, size);
 		if (unlikely(i2400m->trace_msg_from_user))
 			wimax_msg(&i2400m->wimax_dev, "echo",
 				  l3l4_hdr, size, GFP_KERNEL);
@@ -1281,4 +1363,6 @@ void i2400m_rx_release(struct i2400m *i2400m)
 		kfree(i2400m->rx_roq[0].log);
 		kfree(i2400m->rx_roq);
 	}
+	/* at this point, nothing can be received... */
+	i2400m_report_hook_flush(i2400m);
 }
-- 
GitLab


From 46c501473d0a6fa62435dfd65c6884e1fd63b327 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Wed, 7 Oct 2009 22:46:29 +0900
Subject: [PATCH 0372/1815] wimax/i2400m: fix oops in TX when tearing down the
 device

All the entry points into the TX module should check if the device has
been torn down. Otherwise, when the device resets or shuts down, there
are windows when a call to i2400m_tx*() will oops the system.

For that, make i2400m_tx_release() set i2400m->tx_buf to NULL under
the tx_lock. Then, any entry point [i2400m_tx(), _tx_msg_sent(),
_tx_msg_get()] will check for i2400m->tx_buf to be NULL and exit
gracefully.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/sdio-tx.c |  5 ++++-
 drivers/net/wimax/i2400m/tx.c      | 18 +++++++++++++++++-
 2 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wimax/i2400m/sdio-tx.c b/drivers/net/wimax/i2400m/sdio-tx.c
index 5105a5ebc44..de66d068c9c 100644
--- a/drivers/net/wimax/i2400m/sdio-tx.c
+++ b/drivers/net/wimax/i2400m/sdio-tx.c
@@ -149,5 +149,8 @@ int i2400ms_tx_setup(struct i2400ms *i2400ms)
 
 void i2400ms_tx_release(struct i2400ms *i2400ms)
 {
-	destroy_workqueue(i2400ms->tx_workqueue);
+	if (i2400ms->tx_workqueue) {
+		destroy_workqueue(i2400ms->tx_workqueue);
+		i2400ms->tx_workqueue = NULL;
+	}
 }
diff --git a/drivers/net/wimax/i2400m/tx.c b/drivers/net/wimax/i2400m/tx.c
index 8c2080248ae..54480e8947f 100644
--- a/drivers/net/wimax/i2400m/tx.c
+++ b/drivers/net/wimax/i2400m/tx.c
@@ -642,6 +642,9 @@ int i2400m_tx(struct i2400m *i2400m, const void *buf, size_t buf_len,
 	 * current one is out of payload slots or we have a singleton,
 	 * close it and start a new one */
 	spin_lock_irqsave(&i2400m->tx_lock, flags);
+	result = -ESHUTDOWN;
+	if (i2400m->tx_buf == NULL)
+		goto error_tx_new;
 try_new:
 	if (unlikely(i2400m->tx_msg == NULL))
 		i2400m_tx_new(i2400m);
@@ -697,7 +700,10 @@ try_new:
 	}
 error_tx_new:
 	spin_unlock_irqrestore(&i2400m->tx_lock, flags);
-	i2400m->bus_tx_kick(i2400m);	/* always kick, might free up space */
+	/* kick in most cases, except when the TX subsys is down, as
+	 * it might free space */
+	if (likely(result != -ESHUTDOWN))
+		i2400m->bus_tx_kick(i2400m);
 	d_fnend(3, dev, "(i2400m %p skb %p [%zu bytes] pt %u) = %d\n",
 		i2400m, buf, buf_len, pl_type, result);
 	return result;
@@ -740,6 +746,9 @@ struct i2400m_msg_hdr *i2400m_tx_msg_get(struct i2400m *i2400m,
 
 	d_fnstart(3, dev, "(i2400m %p bus_size %p)\n", i2400m, bus_size);
 	spin_lock_irqsave(&i2400m->tx_lock, flags);
+	tx_msg_moved = NULL;
+	if (i2400m->tx_buf == NULL)
+		goto out_unlock;
 skip:
 	tx_msg_moved = NULL;
 	if (i2400m->tx_in == i2400m->tx_out) {	/* Empty FIFO? */
@@ -829,6 +838,8 @@ void i2400m_tx_msg_sent(struct i2400m *i2400m)
 
 	d_fnstart(3, dev, "(i2400m %p)\n", i2400m);
 	spin_lock_irqsave(&i2400m->tx_lock, flags);
+	if (i2400m->tx_buf == NULL)
+		goto out_unlock;
 	i2400m->tx_out += i2400m->tx_msg_size;
 	d_printf(2, dev, "TX: sent %zu b\n", (size_t) i2400m->tx_msg_size);
 	i2400m->tx_msg_size = 0;
@@ -837,6 +848,7 @@ void i2400m_tx_msg_sent(struct i2400m *i2400m)
 	n = i2400m->tx_out / I2400M_TX_BUF_SIZE;
 	i2400m->tx_out %= I2400M_TX_BUF_SIZE;
 	i2400m->tx_in -= n * I2400M_TX_BUF_SIZE;
+out_unlock:
 	spin_unlock_irqrestore(&i2400m->tx_lock, flags);
 	d_fnend(3, dev, "(i2400m %p) = void\n", i2400m);
 }
@@ -876,5 +888,9 @@ int i2400m_tx_setup(struct i2400m *i2400m)
  */
 void i2400m_tx_release(struct i2400m *i2400m)
 {
+	unsigned long flags;
+	spin_lock_irqsave(&i2400m->tx_lock, flags);
 	kfree(i2400m->tx_buf);
+	i2400m->tx_buf = NULL;
+	spin_unlock_irqrestore(&i2400m->tx_lock, flags);
 }
-- 
GitLab


From 0c96859d7a5f0286ed70d3c4e140ac6816a350da Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Wed, 7 Oct 2009 22:57:39 +0900
Subject: [PATCH 0373/1815] wimax/i2400m: Let device's status reports change
 the device state

Currently __i2400m_dev_start was forcing, after uploading firmware and
doing a few checks to WIMAX_ST_UNINITIALIZED.

This can be overriding state changes that the device might have caused
by sending reports; thus it makes more sense to remove it and let the
device update the status on its own by sending reports.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/driver.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/net/wimax/i2400m/driver.c b/drivers/net/wimax/i2400m/driver.c
index 42102ebad1a..cc900b99e60 100644
--- a/drivers/net/wimax/i2400m/driver.c
+++ b/drivers/net/wimax/i2400m/driver.c
@@ -398,7 +398,6 @@ retry:
 	result = i2400m_check_mac_addr(i2400m);
 	if (result < 0)
 		goto error_check_mac_addr;
-	wimax_state_change(wimax_dev, WIMAX_ST_UNINITIALIZED);
 	result = i2400m_dev_initialize(i2400m);
 	if (result < 0)
 		goto error_dev_initialize;
-- 
GitLab


From 4a78fd9a736db4c871bc8b583d66b61c38abd299 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Thu, 8 Oct 2009 08:11:38 +0900
Subject: [PATCH 0374/1815] wimax/i2400m: fix oops caused by race condition
 when exiting USB kthreads

Current i2400m USB code had to threads (one for processing RX, one for
TX). When calling i2400m_{tx,rx}_release(), it would crash if the
thread had exited already due to an error.

So changed the code to have the thread fill in/out
i2400mu->{tx,rx}_kthread under a spinlock; then the _release()
function will call kthread_stop() only if {rx,tx}_kthread is still
set.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/usb-rx.c | 35 +++++++++++++++++++++++++------
 drivers/net/wimax/i2400m/usb-tx.c | 35 ++++++++++++++++++++++++++-----
 2 files changed, 59 insertions(+), 11 deletions(-)

diff --git a/drivers/net/wimax/i2400m/usb-rx.c b/drivers/net/wimax/i2400m/usb-rx.c
index e494e3774ec..245587feb8c 100644
--- a/drivers/net/wimax/i2400m/usb-rx.c
+++ b/drivers/net/wimax/i2400m/usb-rx.c
@@ -316,10 +316,15 @@ int i2400mu_rxd(void *_i2400mu)
 	size_t pending;
 	int rx_size;
 	struct sk_buff *rx_skb;
+	unsigned long flags;
 
 	d_fnstart(4, dev, "(i2400mu %p)\n", i2400mu);
+	spin_lock_irqsave(&i2400m->rx_lock, flags);
+	BUG_ON(i2400mu->rx_kthread != NULL);
+	i2400mu->rx_kthread = current;
+	spin_unlock_irqrestore(&i2400m->rx_lock, flags);
 	while (1) {
-		d_printf(2, dev, "TX: waiting for messages\n");
+		d_printf(2, dev, "RX: waiting for messages\n");
 		pending = 0;
 		wait_event_interruptible(
 			i2400mu->rx_wq,
@@ -367,6 +372,9 @@ int i2400mu_rxd(void *_i2400mu)
 	}
 	result = 0;
 out:
+	spin_lock_irqsave(&i2400m->rx_lock, flags);
+	i2400mu->rx_kthread = NULL;
+	spin_unlock_irqrestore(&i2400m->rx_lock, flags);
 	d_fnend(4, dev, "(i2400mu %p) = %d\n", i2400mu, result);
 	return result;
 
@@ -403,18 +411,33 @@ int i2400mu_rx_setup(struct i2400mu *i2400mu)
 	struct i2400m *i2400m = &i2400mu->i2400m;
 	struct device *dev = &i2400mu->usb_iface->dev;
 	struct wimax_dev *wimax_dev = &i2400m->wimax_dev;
+	struct task_struct *kthread;
 
-	i2400mu->rx_kthread = kthread_run(i2400mu_rxd, i2400mu, "%s-rx",
-					  wimax_dev->name);
-	if (IS_ERR(i2400mu->rx_kthread)) {
-		result = PTR_ERR(i2400mu->rx_kthread);
+	kthread = kthread_run(i2400mu_rxd, i2400mu, "%s-rx",
+			      wimax_dev->name);
+	/* the kthread function sets i2400mu->rx_thread */
+	if (IS_ERR(kthread)) {
+		result = PTR_ERR(kthread);
 		dev_err(dev, "RX: cannot start thread: %d\n", result);
 	}
 	return result;
 }
 
+
 void i2400mu_rx_release(struct i2400mu *i2400mu)
 {
-	kthread_stop(i2400mu->rx_kthread);
+	unsigned long flags;
+	struct i2400m *i2400m = &i2400mu->i2400m;
+	struct device *dev = i2400m_dev(i2400m);
+	struct task_struct *kthread;
+
+	spin_lock_irqsave(&i2400m->rx_lock, flags);
+	kthread = i2400mu->rx_kthread;
+	i2400mu->rx_kthread = NULL;
+	spin_unlock_irqrestore(&i2400m->rx_lock, flags);
+	if (kthread)
+		kthread_stop(kthread);
+	else
+		d_printf(1, dev, "RX: kthread had already exited\n");
 }
 
diff --git a/drivers/net/wimax/i2400m/usb-tx.c b/drivers/net/wimax/i2400m/usb-tx.c
index 90dfff1afb8..a3c46e99c80 100644
--- a/drivers/net/wimax/i2400m/usb-tx.c
+++ b/drivers/net/wimax/i2400m/usb-tx.c
@@ -161,9 +161,15 @@ int i2400mu_txd(void *_i2400mu)
 	struct device *dev = &i2400mu->usb_iface->dev;
 	struct i2400m_msg_hdr *tx_msg;
 	size_t tx_msg_size;
+	unsigned long flags;
 
 	d_fnstart(4, dev, "(i2400mu %p)\n", i2400mu);
 
+	spin_lock_irqsave(&i2400m->tx_lock, flags);
+	BUG_ON(i2400mu->tx_kthread != NULL);
+	i2400mu->tx_kthread = current;
+	spin_unlock_irqrestore(&i2400m->tx_lock, flags);
+
 	while (1) {
 		d_printf(2, dev, "TX: waiting for messages\n");
 		tx_msg = NULL;
@@ -183,6 +189,11 @@ int i2400mu_txd(void *_i2400mu)
 		if (result < 0)
 			break;
 	}
+
+	spin_lock_irqsave(&i2400m->tx_lock, flags);
+	i2400mu->tx_kthread = NULL;
+	spin_unlock_irqrestore(&i2400m->tx_lock, flags);
+
 	d_fnend(4, dev, "(i2400mu %p) = %d\n", i2400mu, result);
 	return result;
 }
@@ -213,11 +224,13 @@ int i2400mu_tx_setup(struct i2400mu *i2400mu)
 	struct i2400m *i2400m = &i2400mu->i2400m;
 	struct device *dev = &i2400mu->usb_iface->dev;
 	struct wimax_dev *wimax_dev = &i2400m->wimax_dev;
+	struct task_struct *kthread;
 
-	i2400mu->tx_kthread = kthread_run(i2400mu_txd, i2400mu, "%s-tx",
-					  wimax_dev->name);
-	if (IS_ERR(i2400mu->tx_kthread)) {
-		result = PTR_ERR(i2400mu->tx_kthread);
+	kthread = kthread_run(i2400mu_txd, i2400mu, "%s-tx",
+			      wimax_dev->name);
+	/* the kthread function sets i2400mu->tx_thread */
+	if (IS_ERR(kthread)) {
+		result = PTR_ERR(kthread);
 		dev_err(dev, "TX: cannot start thread: %d\n", result);
 	}
 	return result;
@@ -225,5 +238,17 @@ int i2400mu_tx_setup(struct i2400mu *i2400mu)
 
 void i2400mu_tx_release(struct i2400mu *i2400mu)
 {
-	kthread_stop(i2400mu->tx_kthread);
+	unsigned long flags;
+	struct i2400m *i2400m = &i2400mu->i2400m;
+	struct device *dev = i2400m_dev(i2400m);
+	struct task_struct *kthread;
+
+	spin_lock_irqsave(&i2400m->tx_lock, flags);
+	kthread = i2400mu->tx_kthread;
+	i2400mu->tx_kthread = NULL;
+	spin_unlock_irqrestore(&i2400m->tx_lock, flags);
+	if (kthread)
+		kthread_stop(kthread);
+	else
+		d_printf(1, dev, "TX: kthread had already exited\n");
 }
-- 
GitLab


From 097acbeff98178e01c2f6adb2259ab4d811340cc Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Thu, 8 Oct 2009 12:33:50 +0900
Subject: [PATCH 0375/1815] wimax/i2400m: make i2400m->bus_dev_{stop,start}()
 optional

In coming commits, the i2400m SDIO driver will not use
i2400m->bus_dev_stop().

Thus changed to check before calling, as an empty stub has more
overhead than a call to check if the function pointer is non-NULL.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/driver.c | 14 +++++++++-----
 drivers/net/wimax/i2400m/i2400m.h | 14 +++++++-------
 2 files changed, 16 insertions(+), 12 deletions(-)

diff --git a/drivers/net/wimax/i2400m/driver.c b/drivers/net/wimax/i2400m/driver.c
index cc900b99e60..cc58a864bd0 100644
--- a/drivers/net/wimax/i2400m/driver.c
+++ b/drivers/net/wimax/i2400m/driver.c
@@ -384,9 +384,11 @@ retry:
 		dev_err(dev, "cannot create workqueue\n");
 		goto error_create_workqueue;
 	}
-	result = i2400m->bus_dev_start(i2400m);
-	if (result < 0)
-		goto error_bus_dev_start;
+	if (i2400m->bus_dev_start) {
+		result = i2400m->bus_dev_start(i2400m);
+		if (result < 0)
+			goto error_bus_dev_start;
+	}
 	i2400m->ready = 1;
 	wmb();		/* see i2400m->ready's documentation  */
 	/* process pending reports from the device */
@@ -413,7 +415,8 @@ error_check_mac_addr:
 	wmb();		/* see i2400m->ready's documentation  */
 	flush_workqueue(i2400m->work_queue);
 error_fw_check:
-	i2400m->bus_dev_stop(i2400m);
+	if (i2400m->bus_dev_stop)
+		i2400m->bus_dev_stop(i2400m);
 error_bus_dev_start:
 	destroy_workqueue(i2400m->work_queue);
 error_create_workqueue:
@@ -480,7 +483,8 @@ void __i2400m_dev_stop(struct i2400m *i2400m)
 	wmb();		/* see i2400m->ready's documentation  */
 	flush_workqueue(i2400m->work_queue);
 
-	i2400m->bus_dev_stop(i2400m);
+	if (i2400m->bus_dev_stop)
+		i2400m->bus_dev_stop(i2400m);
 	destroy_workqueue(i2400m->work_queue);
 	i2400m_rx_release(i2400m);
 	i2400m_tx_release(i2400m);
diff --git a/drivers/net/wimax/i2400m/i2400m.h b/drivers/net/wimax/i2400m/i2400m.h
index 55bca430c69..5eee985f292 100644
--- a/drivers/net/wimax/i2400m/i2400m.h
+++ b/drivers/net/wimax/i2400m/i2400m.h
@@ -245,19 +245,19 @@ struct i2400m_barker_db;
  *     all the host resources created to  handle communication with
  *     the device.
  *
- * @bus_dev_start: [fill] Function called by the bus-generic code
- *     [i2400m_dev_start()] to setup the bus-specific communications
- *     to the the device. See LIFE CYCLE above.
+ * @bus_dev_start: [optional fill] Function called by the bus-generic
+ *     code [i2400m_dev_start()] to do things needed to start the
+ *     device. See LIFE CYCLE above.
  *
  *     NOTE: Doesn't need to upload the firmware, as that is taken
  *     care of by the bus-generic code.
  *
- * @bus_dev_stop: [fill] Function called by the bus-generic code
- *     [i2400m_dev_stop()] to shutdown the bus-specific communications
- *     to the the device. See LIFE CYCLE above.
+ * @bus_dev_stop: [optional fill] Function called by the bus-generic
+ *     code [i2400m_dev_stop()] to do things needed for stopping the
+ *     device. See LIFE CYCLE above.
  *
  *     This function does not need to reset the device, just tear down
- *     all the host resources created to  handle communication with
+ *     all the host resources created to handle communication with
  *     the device.
  *
  * @bus_tx_kick: [fill] Function called by the bus-generic code to let
-- 
GitLab


From a8ee303cae6fbdaa639afa50b9d03ce6f0c7d7da Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Thu, 8 Oct 2009 12:36:03 +0900
Subject: [PATCH 0376/1815] wimax/i2400m: SDIO: fix oops on reset when TXing on
 uninitialized data

Currently the SDIO part of the TX resources were initialized/released
with bus_dev_{start,stop}.

The generic code's TX subsystem is destroyed afterwards, so there is a
window from the bus-TX destruction to the generic-TX destruction where
the generic-TX code might call into bus-TX to do transactions.

The SDIO code cannot really cope with this (whereas in USB, how it is
laid out, it correctly ignores it). In any case, it made no sense for
the SDIO TX code to be in i2400m->bus_dev_start/stop(), so moved to
i2400m->bus_setup/release(), which also takes care of the oops.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/sdio.c | 43 +++++++--------------------------
 1 file changed, 9 insertions(+), 34 deletions(-)

diff --git a/drivers/net/wimax/i2400m/sdio.c b/drivers/net/wimax/i2400m/sdio.c
index 14e66f06f23..ec178928914 100644
--- a/drivers/net/wimax/i2400m/sdio.c
+++ b/drivers/net/wimax/i2400m/sdio.c
@@ -46,15 +46,6 @@
  * i2400ms_bus_reset()            Called by i2400m->bus_reset
  *   __i2400ms_reset()
  *     __i2400ms_send_barker()
- *
- * i2400ms_bus_dev_start()        Called by i2400m_dev_start() [who is
- *   i2400ms_tx_setup()           called by i2400m_setup()]
- *   i2400ms_rx_setup()
- *
- * i2400ms_bus_dev_stop()         Called by i2400m_dev_stop() [who is
- *   i2400ms_rx_release()         is called by i2400m_release()]
- *   i2400ms_tx_release()
- *
  */
 
 #include <linux/debugfs.h>
@@ -191,12 +182,17 @@ int i2400ms_bus_setup(struct i2400m *i2400m)
 		goto error_func_enable;
 	}
 
+	result = i2400ms_tx_setup(i2400ms);
+	if (result < 0)
+		goto error_tx_setup;
 	result = i2400ms_rx_setup(i2400ms);
 	if (result < 0)
 		goto error_rx_setup;
 	return 0;
 
 error_rx_setup:
+	i2400ms_tx_release(i2400ms);
+error_tx_setup:
 	sdio_claim_host(func);
 	sdio_disable_func(func);
 	sdio_release_host(func);
@@ -218,6 +214,7 @@ void i2400ms_bus_release(struct i2400m *i2400m)
 	struct sdio_func *func = i2400ms->func;
 
 	i2400ms_rx_release(i2400ms);
+	i2400ms_tx_release(i2400ms);
 	sdio_claim_host(func);
 	sdio_disable_func(func);
 	sdio_release_host(func);
@@ -235,36 +232,14 @@ void i2400ms_bus_release(struct i2400m *i2400m)
 static
 int i2400ms_bus_dev_start(struct i2400m *i2400m)
 {
-	int result;
 	struct i2400ms *i2400ms = container_of(i2400m, struct i2400ms, i2400m);
 	struct sdio_func *func = i2400ms->func;
 	struct device *dev = &func->dev;
 
 	d_fnstart(3, dev, "(i2400m %p)\n", i2400m);
 	msleep(200);
-	result = i2400ms_tx_setup(i2400ms);
-	if (result < 0)
-		goto error_tx_setup;
-	d_fnend(3, dev, "(i2400m %p) = %d\n", i2400m, result);
-	return result;
-
-error_tx_setup:
-	i2400ms_tx_release(i2400ms);
-	d_fnend(3, dev, "(i2400m %p) = void\n", i2400m);
-	return result;
-}
-
-
-static
-void i2400ms_bus_dev_stop(struct i2400m *i2400m)
-{
-	struct i2400ms *i2400ms = container_of(i2400m, struct i2400ms, i2400m);
-	struct sdio_func *func = i2400ms->func;
-	struct device *dev = &func->dev;
-
-	d_fnstart(3, dev, "(i2400m %p)\n", i2400m);
-	i2400ms_tx_release(i2400ms);
-	d_fnend(3, dev, "(i2400m %p) = void\n", i2400m);
+	d_fnend(3, dev, "(i2400m %p) = %d\n", i2400m, 0);
+	return 0;
 }
 
 
@@ -506,7 +481,7 @@ int i2400ms_probe(struct sdio_func *func,
 	i2400m->bus_pl_size_max = I2400MS_PL_SIZE_MAX;
 	i2400m->bus_setup = i2400ms_bus_setup;
 	i2400m->bus_dev_start = i2400ms_bus_dev_start;
-	i2400m->bus_dev_stop = i2400ms_bus_dev_stop;
+	i2400m->bus_dev_stop = NULL;
 	i2400m->bus_release = i2400ms_bus_release;
 	i2400m->bus_tx_kick = i2400ms_bus_tx_kick;
 	i2400m->bus_reset = i2400ms_bus_reset;
-- 
GitLab


From 7c734359d3504c869132166d159c7f0649f0ab34 Mon Sep 17 00:00:00 2001
From: Ron Mercer <ron.mercer@qlogic.com>
Date: Mon, 19 Oct 2009 03:32:19 +0000
Subject: [PATCH 0377/1815] qlge: Size RX buffers based on MTU.

Change RX large buffer size based on MTU. If pages are larger
than the MTU the page is divided up into multiple chunks and passed to
the hardware.  When pages are smaller than MTU each RX buffer can
contain be comprised of up to 2 pages.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/qlge/qlge.h      |  15 +-
 drivers/net/qlge/qlge_main.c | 273 ++++++++++++++++++++++++++---------
 2 files changed, 214 insertions(+), 74 deletions(-)

diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h
index 42147179060..bc7a2e43c62 100644
--- a/drivers/net/qlge/qlge.h
+++ b/drivers/net/qlge/qlge.h
@@ -56,7 +56,8 @@
 		MAX_DB_PAGES_PER_BQ(NUM_LARGE_BUFFERS) * sizeof(u64))
 #define SMALL_BUFFER_SIZE 512
 #define SMALL_BUF_MAP_SIZE (SMALL_BUFFER_SIZE / 2)
-#define LARGE_BUFFER_SIZE	PAGE_SIZE
+#define LARGE_BUFFER_MAX_SIZE 8192
+#define LARGE_BUFFER_MIN_SIZE 2048
 #define MAX_SPLIT_SIZE 1023
 #define QLGE_SB_PAD 32
 
@@ -1201,9 +1202,17 @@ struct tx_ring_desc {
 	struct tx_ring_desc *next;
 };
 
+struct page_chunk {
+	struct page *page;	/* master page */
+	char *va;		/* virt addr for this chunk */
+	u64 map;		/* mapping for master */
+	unsigned int offset;	/* offset for this chunk */
+	unsigned int last_flag; /* flag set for last chunk in page */
+};
+
 struct bq_desc {
 	union {
-		struct page *lbq_page;
+		struct page_chunk pg_chunk;
 		struct sk_buff *skb;
 	} p;
 	__le64 *addr;
@@ -1272,6 +1281,7 @@ struct rx_ring {
 	dma_addr_t lbq_base_dma;
 	void *lbq_base_indirect;
 	dma_addr_t lbq_base_indirect_dma;
+	struct page_chunk pg_chunk; /* current page for chunks */
 	struct bq_desc *lbq;	/* array of control blocks */
 	void __iomem *lbq_prod_idx_db_reg;	/* PCI doorbell mem area + 0x18 */
 	u32 lbq_prod_idx;	/* current sw prod idx */
@@ -1526,6 +1536,7 @@ struct ql_adapter {
 
 	struct rx_ring rx_ring[MAX_RX_RINGS];
 	struct tx_ring tx_ring[MAX_TX_RINGS];
+	unsigned int lbq_buf_order;
 
 	int rx_csum;
 	u32 default_rx_queue;
diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 817613919b5..34242fbcadf 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -1025,6 +1025,11 @@ end:
 	return status;
 }
 
+static inline unsigned int ql_lbq_block_size(struct ql_adapter *qdev)
+{
+	return PAGE_SIZE << qdev->lbq_buf_order;
+}
+
 /* Get the next large buffer. */
 static struct bq_desc *ql_get_curr_lbuf(struct rx_ring *rx_ring)
 {
@@ -1036,6 +1041,28 @@ static struct bq_desc *ql_get_curr_lbuf(struct rx_ring *rx_ring)
 	return lbq_desc;
 }
 
+static struct bq_desc *ql_get_curr_lchunk(struct ql_adapter *qdev,
+		struct rx_ring *rx_ring)
+{
+	struct bq_desc *lbq_desc = ql_get_curr_lbuf(rx_ring);
+
+	pci_dma_sync_single_for_cpu(qdev->pdev,
+					pci_unmap_addr(lbq_desc, mapaddr),
+				    rx_ring->lbq_buf_size,
+					PCI_DMA_FROMDEVICE);
+
+	/* If it's the last chunk of our master page then
+	 * we unmap it.
+	 */
+	if ((lbq_desc->p.pg_chunk.offset + rx_ring->lbq_buf_size)
+					== ql_lbq_block_size(qdev))
+		pci_unmap_page(qdev->pdev,
+				lbq_desc->p.pg_chunk.map,
+				ql_lbq_block_size(qdev),
+				PCI_DMA_FROMDEVICE);
+	return lbq_desc;
+}
+
 /* Get the next small buffer. */
 static struct bq_desc *ql_get_curr_sbuf(struct rx_ring *rx_ring)
 {
@@ -1063,6 +1090,53 @@ static void ql_write_cq_idx(struct rx_ring *rx_ring)
 	ql_write_db_reg(rx_ring->cnsmr_idx, rx_ring->cnsmr_idx_db_reg);
 }
 
+static int ql_get_next_chunk(struct ql_adapter *qdev, struct rx_ring *rx_ring,
+						struct bq_desc *lbq_desc)
+{
+	if (!rx_ring->pg_chunk.page) {
+		u64 map;
+		rx_ring->pg_chunk.page = alloc_pages(__GFP_COLD | __GFP_COMP |
+						GFP_ATOMIC,
+						qdev->lbq_buf_order);
+		if (unlikely(!rx_ring->pg_chunk.page)) {
+			QPRINTK(qdev, DRV, ERR,
+				"page allocation failed.\n");
+			return -ENOMEM;
+		}
+		rx_ring->pg_chunk.offset = 0;
+		map = pci_map_page(qdev->pdev, rx_ring->pg_chunk.page,
+					0, ql_lbq_block_size(qdev),
+					PCI_DMA_FROMDEVICE);
+		if (pci_dma_mapping_error(qdev->pdev, map)) {
+			__free_pages(rx_ring->pg_chunk.page,
+					qdev->lbq_buf_order);
+			QPRINTK(qdev, DRV, ERR,
+				"PCI mapping failed.\n");
+			return -ENOMEM;
+		}
+		rx_ring->pg_chunk.map = map;
+		rx_ring->pg_chunk.va = page_address(rx_ring->pg_chunk.page);
+	}
+
+	/* Copy the current master pg_chunk info
+	 * to the current descriptor.
+	 */
+	lbq_desc->p.pg_chunk = rx_ring->pg_chunk;
+
+	/* Adjust the master page chunk for next
+	 * buffer get.
+	 */
+	rx_ring->pg_chunk.offset += rx_ring->lbq_buf_size;
+	if (rx_ring->pg_chunk.offset == ql_lbq_block_size(qdev)) {
+		rx_ring->pg_chunk.page = NULL;
+		lbq_desc->p.pg_chunk.last_flag = 1;
+	} else {
+		rx_ring->pg_chunk.va += rx_ring->lbq_buf_size;
+		get_page(rx_ring->pg_chunk.page);
+		lbq_desc->p.pg_chunk.last_flag = 0;
+	}
+	return 0;
+}
 /* Process (refill) a large buffer queue. */
 static void ql_update_lbq(struct ql_adapter *qdev, struct rx_ring *rx_ring)
 {
@@ -1072,39 +1146,28 @@ static void ql_update_lbq(struct ql_adapter *qdev, struct rx_ring *rx_ring)
 	u64 map;
 	int i;
 
-	while (rx_ring->lbq_free_cnt > 16) {
+	while (rx_ring->lbq_free_cnt > 32) {
 		for (i = 0; i < 16; i++) {
 			QPRINTK(qdev, RX_STATUS, DEBUG,
 				"lbq: try cleaning clean_idx = %d.\n",
 				clean_idx);
 			lbq_desc = &rx_ring->lbq[clean_idx];
-			if (lbq_desc->p.lbq_page == NULL) {
-				QPRINTK(qdev, RX_STATUS, DEBUG,
-					"lbq: getting new page for index %d.\n",
-					lbq_desc->index);
-				lbq_desc->p.lbq_page = alloc_page(GFP_ATOMIC);
-				if (lbq_desc->p.lbq_page == NULL) {
-					rx_ring->lbq_clean_idx = clean_idx;
-					QPRINTK(qdev, RX_STATUS, ERR,
-						"Couldn't get a page.\n");
-					return;
-				}
-				map = pci_map_page(qdev->pdev,
-						   lbq_desc->p.lbq_page,
-						   0, PAGE_SIZE,
-						   PCI_DMA_FROMDEVICE);
-				if (pci_dma_mapping_error(qdev->pdev, map)) {
-					rx_ring->lbq_clean_idx = clean_idx;
-					put_page(lbq_desc->p.lbq_page);
-					lbq_desc->p.lbq_page = NULL;
-					QPRINTK(qdev, RX_STATUS, ERR,
-						"PCI mapping failed.\n");
+			if (ql_get_next_chunk(qdev, rx_ring, lbq_desc)) {
+				QPRINTK(qdev, IFUP, ERR,
+					"Could not get a page chunk.\n");
 					return;
 				}
+
+			map = lbq_desc->p.pg_chunk.map +
+				lbq_desc->p.pg_chunk.offset;
 				pci_unmap_addr_set(lbq_desc, mapaddr, map);
-				pci_unmap_len_set(lbq_desc, maplen, PAGE_SIZE);
+			pci_unmap_len_set(lbq_desc, maplen,
+					rx_ring->lbq_buf_size);
 				*lbq_desc->addr = cpu_to_le64(map);
-			}
+
+			pci_dma_sync_single_for_device(qdev->pdev, map,
+						rx_ring->lbq_buf_size,
+						PCI_DMA_FROMDEVICE);
 			clean_idx++;
 			if (clean_idx == rx_ring->lbq_len)
 				clean_idx = 0;
@@ -1480,27 +1543,24 @@ static struct sk_buff *ql_build_rx_skb(struct ql_adapter *qdev,
 			 * chain it to the header buffer's skb and let
 			 * it rip.
 			 */
-			lbq_desc = ql_get_curr_lbuf(rx_ring);
-			pci_unmap_page(qdev->pdev,
-				       pci_unmap_addr(lbq_desc,
-						      mapaddr),
-				       pci_unmap_len(lbq_desc, maplen),
-				       PCI_DMA_FROMDEVICE);
+			lbq_desc = ql_get_curr_lchunk(qdev, rx_ring);
 			QPRINTK(qdev, RX_STATUS, DEBUG,
-				"Chaining page to skb.\n");
-			skb_fill_page_desc(skb, 0, lbq_desc->p.lbq_page,
-					   0, length);
+				"Chaining page at offset = %d,"
+				"for %d bytes  to skb.\n",
+				lbq_desc->p.pg_chunk.offset, length);
+			skb_fill_page_desc(skb, 0, lbq_desc->p.pg_chunk.page,
+						lbq_desc->p.pg_chunk.offset,
+						length);
 			skb->len += length;
 			skb->data_len += length;
 			skb->truesize += length;
-			lbq_desc->p.lbq_page = NULL;
 		} else {
 			/*
 			 * The headers and data are in a single large buffer. We
 			 * copy it to a new skb and let it go. This can happen with
 			 * jumbo mtu on a non-TCP/UDP frame.
 			 */
-			lbq_desc = ql_get_curr_lbuf(rx_ring);
+			lbq_desc = ql_get_curr_lchunk(qdev, rx_ring);
 			skb = netdev_alloc_skb(qdev->ndev, length);
 			if (skb == NULL) {
 				QPRINTK(qdev, PROBE, DEBUG,
@@ -1515,13 +1575,14 @@ static struct sk_buff *ql_build_rx_skb(struct ql_adapter *qdev,
 			skb_reserve(skb, NET_IP_ALIGN);
 			QPRINTK(qdev, RX_STATUS, DEBUG,
 				"%d bytes of headers and data in large. Chain page to new skb and pull tail.\n", length);
-			skb_fill_page_desc(skb, 0, lbq_desc->p.lbq_page,
-					   0, length);
+			skb_fill_page_desc(skb, 0,
+						lbq_desc->p.pg_chunk.page,
+						lbq_desc->p.pg_chunk.offset,
+						length);
 			skb->len += length;
 			skb->data_len += length;
 			skb->truesize += length;
 			length -= length;
-			lbq_desc->p.lbq_page = NULL;
 			__pskb_pull_tail(skb,
 				(ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_V) ?
 				VLAN_ETH_HLEN : ETH_HLEN);
@@ -1538,8 +1599,7 @@ static struct sk_buff *ql_build_rx_skb(struct ql_adapter *qdev,
 		 *         frames.  If the MTU goes up we could
 		 *          eventually be in trouble.
 		 */
-		int size, offset, i = 0;
-		__le64 *bq, bq_array[8];
+		int size, i = 0;
 		sbq_desc = ql_get_curr_sbuf(rx_ring);
 		pci_unmap_single(qdev->pdev,
 				 pci_unmap_addr(sbq_desc, mapaddr),
@@ -1558,37 +1618,25 @@ static struct sk_buff *ql_build_rx_skb(struct ql_adapter *qdev,
 			QPRINTK(qdev, RX_STATUS, DEBUG,
 				"%d bytes of headers & data in chain of large.\n", length);
 			skb = sbq_desc->p.skb;
-			bq = &bq_array[0];
-			memcpy(bq, skb->data, sizeof(bq_array));
 			sbq_desc->p.skb = NULL;
 			skb_reserve(skb, NET_IP_ALIGN);
-		} else {
-			QPRINTK(qdev, RX_STATUS, DEBUG,
-				"Headers in small, %d bytes of data in chain of large.\n", length);
-			bq = (__le64 *)sbq_desc->p.skb->data;
 		}
 		while (length > 0) {
-			lbq_desc = ql_get_curr_lbuf(rx_ring);
-			pci_unmap_page(qdev->pdev,
-				       pci_unmap_addr(lbq_desc,
-						      mapaddr),
-				       pci_unmap_len(lbq_desc,
-						     maplen),
-				       PCI_DMA_FROMDEVICE);
-			size = (length < PAGE_SIZE) ? length : PAGE_SIZE;
-			offset = 0;
+			lbq_desc = ql_get_curr_lchunk(qdev, rx_ring);
+			size = (length < rx_ring->lbq_buf_size) ? length :
+				rx_ring->lbq_buf_size;
 
 			QPRINTK(qdev, RX_STATUS, DEBUG,
 				"Adding page %d to skb for %d bytes.\n",
 				i, size);
-			skb_fill_page_desc(skb, i, lbq_desc->p.lbq_page,
-					   offset, size);
+			skb_fill_page_desc(skb, i,
+						lbq_desc->p.pg_chunk.page,
+						lbq_desc->p.pg_chunk.offset,
+						size);
 			skb->len += size;
 			skb->data_len += size;
 			skb->truesize += size;
 			length -= size;
-			lbq_desc->p.lbq_page = NULL;
-			bq++;
 			i++;
 		}
 		__pskb_pull_tail(skb, (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_V) ?
@@ -2305,20 +2353,29 @@ err:
 
 static void ql_free_lbq_buffers(struct ql_adapter *qdev, struct rx_ring *rx_ring)
 {
-	int i;
 	struct bq_desc *lbq_desc;
 
-	for (i = 0; i < rx_ring->lbq_len; i++) {
-		lbq_desc = &rx_ring->lbq[i];
-		if (lbq_desc->p.lbq_page) {
+	uint32_t  curr_idx, clean_idx;
+
+	curr_idx = rx_ring->lbq_curr_idx;
+	clean_idx = rx_ring->lbq_clean_idx;
+	while (curr_idx != clean_idx) {
+		lbq_desc = &rx_ring->lbq[curr_idx];
+
+		if (lbq_desc->p.pg_chunk.last_flag) {
 			pci_unmap_page(qdev->pdev,
-				       pci_unmap_addr(lbq_desc, mapaddr),
-				       pci_unmap_len(lbq_desc, maplen),
+				lbq_desc->p.pg_chunk.map,
+				ql_lbq_block_size(qdev),
 				       PCI_DMA_FROMDEVICE);
-
-			put_page(lbq_desc->p.lbq_page);
-			lbq_desc->p.lbq_page = NULL;
+			lbq_desc->p.pg_chunk.last_flag = 0;
 		}
+
+		put_page(lbq_desc->p.pg_chunk.page);
+		lbq_desc->p.pg_chunk.page = NULL;
+
+		if (++curr_idx == rx_ring->lbq_len)
+			curr_idx = 0;
+
 	}
 }
 
@@ -2616,6 +2673,7 @@ static int ql_start_rx_ring(struct ql_adapter *qdev, struct rx_ring *rx_ring)
 	/* Set up the shadow registers for this ring. */
 	rx_ring->prod_idx_sh_reg = shadow_reg;
 	rx_ring->prod_idx_sh_reg_dma = shadow_reg_dma;
+	*rx_ring->prod_idx_sh_reg = 0;
 	shadow_reg += sizeof(u64);
 	shadow_reg_dma += sizeof(u64);
 	rx_ring->lbq_base_indirect = shadow_reg;
@@ -3496,6 +3554,10 @@ static int ql_configure_rings(struct ql_adapter *qdev)
 	struct rx_ring *rx_ring;
 	struct tx_ring *tx_ring;
 	int cpu_cnt = min(MAX_CPUS, (int)num_online_cpus());
+	unsigned int lbq_buf_len = (qdev->ndev->mtu > 1500) ?
+		LARGE_BUFFER_MAX_SIZE : LARGE_BUFFER_MIN_SIZE;
+
+	qdev->lbq_buf_order = get_order(lbq_buf_len);
 
 	/* In a perfect world we have one RSS ring for each CPU
 	 * and each has it's own vector.  To do that we ask for
@@ -3543,7 +3605,10 @@ static int ql_configure_rings(struct ql_adapter *qdev)
 			rx_ring->lbq_len = NUM_LARGE_BUFFERS;
 			rx_ring->lbq_size =
 			    rx_ring->lbq_len * sizeof(__le64);
-			rx_ring->lbq_buf_size = LARGE_BUFFER_SIZE;
+			rx_ring->lbq_buf_size = (u16)lbq_buf_len;
+			QPRINTK(qdev, IFUP, DEBUG,
+				"lbq_buf_size %d, order = %d\n",
+				rx_ring->lbq_buf_size, qdev->lbq_buf_order);
 			rx_ring->sbq_len = NUM_SMALL_BUFFERS;
 			rx_ring->sbq_size =
 			    rx_ring->sbq_len * sizeof(__le64);
@@ -3593,14 +3658,63 @@ error_up:
 	return err;
 }
 
+static int ql_change_rx_buffers(struct ql_adapter *qdev)
+{
+	struct rx_ring *rx_ring;
+	int i, status;
+	u32 lbq_buf_len;
+
+	/* Wait for an oustanding reset to complete. */
+	if (!test_bit(QL_ADAPTER_UP, &qdev->flags)) {
+		int i = 3;
+		while (i-- && !test_bit(QL_ADAPTER_UP, &qdev->flags)) {
+			QPRINTK(qdev, IFUP, ERR,
+				 "Waiting for adapter UP...\n");
+			ssleep(1);
+		}
+
+		if (!i) {
+			QPRINTK(qdev, IFUP, ERR,
+			 "Timed out waiting for adapter UP\n");
+			return -ETIMEDOUT;
+		}
+	}
+
+	status = ql_adapter_down(qdev);
+	if (status)
+		goto error;
+
+	/* Get the new rx buffer size. */
+	lbq_buf_len = (qdev->ndev->mtu > 1500) ?
+		LARGE_BUFFER_MAX_SIZE : LARGE_BUFFER_MIN_SIZE;
+	qdev->lbq_buf_order = get_order(lbq_buf_len);
+
+	for (i = 0; i < qdev->rss_ring_count; i++) {
+		rx_ring = &qdev->rx_ring[i];
+		/* Set the new size. */
+		rx_ring->lbq_buf_size = lbq_buf_len;
+	}
+
+	status = ql_adapter_up(qdev);
+	if (status)
+		goto error;
+
+	return status;
+error:
+	QPRINTK(qdev, IFUP, ALERT,
+		"Driver up/down cycle failed, closing device.\n");
+	set_bit(QL_ADAPTER_UP, &qdev->flags);
+	dev_close(qdev->ndev);
+	return status;
+}
+
 static int qlge_change_mtu(struct net_device *ndev, int new_mtu)
 {
 	struct ql_adapter *qdev = netdev_priv(ndev);
+	int status;
 
 	if (ndev->mtu == 1500 && new_mtu == 9000) {
 		QPRINTK(qdev, IFUP, ERR, "Changing to jumbo MTU.\n");
-		queue_delayed_work(qdev->workqueue,
-				&qdev->mpi_port_cfg_work, 0);
 	} else if (ndev->mtu == 9000 && new_mtu == 1500) {
 		QPRINTK(qdev, IFUP, ERR, "Changing to normal MTU.\n");
 	} else if ((ndev->mtu == 1500 && new_mtu == 1500) ||
@@ -3608,8 +3722,23 @@ static int qlge_change_mtu(struct net_device *ndev, int new_mtu)
 		return 0;
 	} else
 		return -EINVAL;
+
+	queue_delayed_work(qdev->workqueue,
+			&qdev->mpi_port_cfg_work, 3*HZ);
+
+	if (!netif_running(qdev->ndev)) {
+		ndev->mtu = new_mtu;
+		return 0;
+	}
+
 	ndev->mtu = new_mtu;
-	return 0;
+	status = ql_change_rx_buffers(qdev);
+	if (status) {
+		QPRINTK(qdev, IFUP, ERR,
+			"Changing MTU failed.\n");
+	}
+
+	return status;
 }
 
 static struct net_device_stats *qlge_get_stats(struct net_device
-- 
GitLab


From 7e75f93eda027d9f9e0203ee6ffd210ea92e98f3 Mon Sep 17 00:00:00 2001
From: jamal <hadi@cyberus.ca>
Date: Mon, 19 Oct 2009 02:17:56 +0000
Subject: [PATCH 0378/1815] pkt_sched: ingress socket filter by mark

Allow bpf to set a filter to drop packets that dont
match a specific mark

Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/filter.h | 3 ++-
 net/core/filter.c      | 3 +++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/include/linux/filter.h b/include/linux/filter.h
index 1354aaf6abb..909193e2539 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -123,7 +123,8 @@ struct sock_fprog	/* Required for SO_ATTACH_FILTER. */
 #define SKF_AD_IFINDEX 	8
 #define SKF_AD_NLATTR	12
 #define SKF_AD_NLATTR_NEST	16
-#define SKF_AD_MAX	20
+#define SKF_AD_MARK 	20
+#define SKF_AD_MAX	24
 #define SKF_NET_OFF   (-0x100000)
 #define SKF_LL_OFF    (-0x200000)
 
diff --git a/net/core/filter.c b/net/core/filter.c
index d1d779ca096..e3987e1d483 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -303,6 +303,9 @@ load_b:
 		case SKF_AD_IFINDEX:
 			A = skb->dev->ifindex;
 			continue;
+		case SKF_AD_MARK:
+			A = skb->mark;
+			continue;
 		case SKF_AD_NLATTR: {
 			struct nlattr *nla;
 
-- 
GitLab


From ab69a5ae2bdc0b5e20e935a7b75f30aa3f4c3bae Mon Sep 17 00:00:00 2001
From: Tomas Winkler <tomas.winkler@intel.com>
Date: Sat, 17 Oct 2009 09:09:34 +0000
Subject: [PATCH 0379/1815] iwmc3200top: Add Intel Wireless MultiCom 3200 top
 driver.

This patch adds Intel Wireless MultiCom 3200 top driver.
IWMC3200 is 4Wireless Com CHIP (GPS/BT/WiFi/WiMAX).
Top driver is responsible for device initialization and firmware download.
Firmware handled by top is responsible for top itself and
as well as bluetooth and GPS coms. (Wifi and WiMax provide their own firmware)
In addition top driver is used to retrieve firmware logs
and supports other debugging features

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/misc/Kconfig                   |   1 +
 drivers/misc/Makefile                  |   1 +
 drivers/misc/iwmc3200top/Kconfig       |  20 +
 drivers/misc/iwmc3200top/Makefile      |  29 +
 drivers/misc/iwmc3200top/debugfs.c     | 133 +++++
 drivers/misc/iwmc3200top/debugfs.h     |  58 ++
 drivers/misc/iwmc3200top/fw-download.c | 359 +++++++++++++
 drivers/misc/iwmc3200top/fw-msg.h      | 113 ++++
 drivers/misc/iwmc3200top/iwmc3200top.h | 206 ++++++++
 drivers/misc/iwmc3200top/log.c         | 347 ++++++++++++
 drivers/misc/iwmc3200top/log.h         | 158 ++++++
 drivers/misc/iwmc3200top/main.c        | 699 +++++++++++++++++++++++++
 12 files changed, 2124 insertions(+)
 create mode 100644 drivers/misc/iwmc3200top/Kconfig
 create mode 100644 drivers/misc/iwmc3200top/Makefile
 create mode 100644 drivers/misc/iwmc3200top/debugfs.c
 create mode 100644 drivers/misc/iwmc3200top/debugfs.h
 create mode 100644 drivers/misc/iwmc3200top/fw-download.c
 create mode 100644 drivers/misc/iwmc3200top/fw-msg.h
 create mode 100644 drivers/misc/iwmc3200top/iwmc3200top.h
 create mode 100644 drivers/misc/iwmc3200top/log.c
 create mode 100644 drivers/misc/iwmc3200top/log.h
 create mode 100644 drivers/misc/iwmc3200top/main.c

diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index df1f86b5c83..a2ea383105a 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -249,5 +249,6 @@ config EP93XX_PWM
 source "drivers/misc/c2port/Kconfig"
 source "drivers/misc/eeprom/Kconfig"
 source "drivers/misc/cb710/Kconfig"
+source "drivers/misc/iwmc3200top/Kconfig"
 
 endif # MISC_DEVICES
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index f982d2ecfde..e311267a355 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -21,5 +21,6 @@ obj-$(CONFIG_HP_ILO)		+= hpilo.o
 obj-$(CONFIG_ISL29003)		+= isl29003.o
 obj-$(CONFIG_EP93XX_PWM)	+= ep93xx_pwm.o
 obj-$(CONFIG_C2PORT)		+= c2port/
+obj-$(CONFIG_IWMC3200TOP)      += iwmc3200top/
 obj-y				+= eeprom/
 obj-y				+= cb710/
diff --git a/drivers/misc/iwmc3200top/Kconfig b/drivers/misc/iwmc3200top/Kconfig
new file mode 100644
index 00000000000..9e4b88fb57f
--- /dev/null
+++ b/drivers/misc/iwmc3200top/Kconfig
@@ -0,0 +1,20 @@
+config IWMC3200TOP
+        tristate "Intel Wireless MultiCom Top Driver"
+        depends on MMC && EXPERIMENTAL
+        select FW_LOADER
+	---help---
+	  Intel Wireless MultiCom 3200 Top driver is responsible for
+	  for firmware load and enabled coms enumeration
+
+config IWMC3200TOP_DEBUG
+	bool "Enable full debug output of iwmc3200top Driver"
+	depends on IWMC3200TOP
+	---help---
+	  Enable full debug output of iwmc3200top Driver
+
+config IWMC3200TOP_DEBUGFS
+	bool "Enable Debugfs debugging interface for iwmc3200top"
+	depends on IWMC3200TOP
+	---help---
+	  Enable creation of debugfs files for iwmc3200top
+
diff --git a/drivers/misc/iwmc3200top/Makefile b/drivers/misc/iwmc3200top/Makefile
new file mode 100644
index 00000000000..fbf53fb4634
--- /dev/null
+++ b/drivers/misc/iwmc3200top/Makefile
@@ -0,0 +1,29 @@
+# iwmc3200top - Intel Wireless MultiCom 3200 Top Driver
+# drivers/misc/iwmc3200top/Makefile
+#
+# Copyright (C) 2009 Intel Corporation. All rights reserved.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License version
+# 2 as published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301, USA.
+#
+#
+# Author Name: Maxim Grabarnik <maxim.grabarnink@intel.com>
+#  -
+#
+#
+
+obj-$(CONFIG_IWMC3200TOP)	+= iwmc3200top.o
+iwmc3200top-objs	:= main.o fw-download.o
+iwmc3200top-$(CONFIG_IWMC3200TOP_DEBUG) += log.o
+iwmc3200top-$(CONFIG_IWMC3200TOP_DEBUGFS) += debugfs.o
diff --git a/drivers/misc/iwmc3200top/debugfs.c b/drivers/misc/iwmc3200top/debugfs.c
new file mode 100644
index 00000000000..0c8ea0a1c8a
--- /dev/null
+++ b/drivers/misc/iwmc3200top/debugfs.c
@@ -0,0 +1,133 @@
+/*
+ * iwmc3200top - Intel Wireless MultiCom 3200 Top Driver
+ * drivers/misc/iwmc3200top/debufs.c
+ *
+ * Copyright (C) 2009 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * Author Name: Maxim Grabarnik <maxim.grabarnink@intel.com>
+ *  -
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/ctype.h>
+#include <linux/mmc/sdio_func.h>
+#include <linux/mmc/sdio.h>
+#include <linux/debugfs.h>
+
+#include "iwmc3200top.h"
+#include "fw-msg.h"
+#include "log.h"
+#include "debugfs.h"
+
+
+
+/*      Constants definition        */
+#define HEXADECIMAL_RADIX	16
+
+/*      Functions definition        */
+
+
+#define DEBUGFS_ADD(name, parent) do {					\
+	dbgfs->dbgfs_##parent##_files.file_##name =			\
+	debugfs_create_file(#name, 0644, dbgfs->dir_##parent, priv,	\
+				&iwmct_dbgfs_##name##_ops);		\
+} while (0)
+
+#define DEBUGFS_RM(name)  do {		\
+	debugfs_remove(name);		\
+	name = NULL;			\
+} while (0)
+
+#define DEBUGFS_READ_FUNC(name)						\
+ssize_t iwmct_dbgfs_##name##_read(struct file *file,			\
+				  char __user *user_buf,		\
+				  size_t count, loff_t *ppos);
+
+#define DEBUGFS_WRITE_FUNC(name)					\
+ssize_t iwmct_dbgfs_##name##_write(struct file *file,			\
+				   const char __user *user_buf,		\
+				   size_t count, loff_t *ppos);
+
+#define DEBUGFS_READ_FILE_OPS(name)					\
+	DEBUGFS_READ_FUNC(name)						\
+	static const struct file_operations iwmct_dbgfs_##name##_ops = {  \
+		.read = iwmct_dbgfs_##name##_read,			\
+		.open = iwmct_dbgfs_open_file_generic,			\
+	};
+
+#define DEBUGFS_WRITE_FILE_OPS(name)					\
+	DEBUGFS_WRITE_FUNC(name)					\
+	static const struct file_operations iwmct_dbgfs_##name##_ops = {  \
+		.write = iwmct_dbgfs_##name##_write,			\
+		.open = iwmct_dbgfs_open_file_generic,			\
+	};
+
+#define DEBUGFS_READ_WRITE_FILE_OPS(name)				\
+	DEBUGFS_READ_FUNC(name)						\
+	DEBUGFS_WRITE_FUNC(name)					\
+	static const struct file_operations iwmct_dbgfs_##name##_ops = {\
+		.write = iwmct_dbgfs_##name##_write,			\
+		.read = iwmct_dbgfs_##name##_read,			\
+		.open = iwmct_dbgfs_open_file_generic,			\
+	};
+
+
+/*      Debugfs file ops definitions        */
+
+/*
+ * Create the debugfs files and directories
+ *
+ */
+void iwmct_dbgfs_register(struct iwmct_priv *priv, const char *name)
+{
+	struct iwmct_debugfs *dbgfs;
+
+	dbgfs = kzalloc(sizeof(struct iwmct_debugfs), GFP_KERNEL);
+	if (!dbgfs) {
+		LOG_ERROR(priv, DEBUGFS, "failed to allocate %zd bytes\n",
+					sizeof(struct iwmct_debugfs));
+		return;
+	}
+
+	priv->dbgfs = dbgfs;
+	dbgfs->name = name;
+	dbgfs->dir_drv = debugfs_create_dir(name, NULL);
+	if (!dbgfs->dir_drv) {
+		LOG_ERROR(priv, DEBUGFS, "failed to create debugfs dir\n");
+		return;
+	}
+
+	return;
+}
+
+/**
+ * Remove the debugfs files and directories
+ *
+ */
+void iwmct_dbgfs_unregister(struct iwmct_debugfs *dbgfs)
+{
+	if (!dbgfs)
+		return;
+
+	DEBUGFS_RM(dbgfs->dir_drv);
+	kfree(dbgfs);
+	dbgfs = NULL;
+}
+
diff --git a/drivers/misc/iwmc3200top/debugfs.h b/drivers/misc/iwmc3200top/debugfs.h
new file mode 100644
index 00000000000..71d45759b40
--- /dev/null
+++ b/drivers/misc/iwmc3200top/debugfs.h
@@ -0,0 +1,58 @@
+/*
+ * iwmc3200top - Intel Wireless MultiCom 3200 Top Driver
+ * drivers/misc/iwmc3200top/debufs.h
+ *
+ * Copyright (C) 2009 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * Author Name: Maxim Grabarnik <maxim.grabarnink@intel.com>
+ *  -
+ *
+ */
+
+#ifndef __DEBUGFS_H__
+#define __DEBUGFS_H__
+
+
+#ifdef CONFIG_IWMC3200TOP_DEBUGFS
+
+struct iwmct_debugfs {
+	const char *name;
+	struct dentry *dir_drv;
+	struct dir_drv_files {
+	} dbgfs_drv_files;
+};
+
+void iwmct_dbgfs_register(struct iwmct_priv *priv, const char *name);
+void iwmct_dbgfs_unregister(struct iwmct_debugfs *dbgfs);
+
+#else /* CONFIG_IWMC3200TOP_DEBUGFS */
+
+struct iwmct_debugfs;
+
+static inline void
+iwmct_dbgfs_register(struct iwmct_priv *priv, const char *name)
+{}
+
+static inline void
+iwmct_dbgfs_unregister(struct iwmct_debugfs *dbgfs)
+{}
+
+#endif /* CONFIG_IWMC3200TOP_DEBUGFS */
+
+#endif /* __DEBUGFS_H__ */
+
diff --git a/drivers/misc/iwmc3200top/fw-download.c b/drivers/misc/iwmc3200top/fw-download.c
new file mode 100644
index 00000000000..33cb693dd37
--- /dev/null
+++ b/drivers/misc/iwmc3200top/fw-download.c
@@ -0,0 +1,359 @@
+/*
+ * iwmc3200top - Intel Wireless MultiCom 3200 Top Driver
+ * drivers/misc/iwmc3200top/fw-download.c
+ *
+ * Copyright (C) 2009 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * Author Name: Maxim Grabarnik <maxim.grabarnink@intel.com>
+ *  -
+ *
+ */
+
+#include <linux/firmware.h>
+#include <linux/mmc/sdio_func.h>
+#include <asm/unaligned.h>
+
+#include "iwmc3200top.h"
+#include "log.h"
+#include "fw-msg.h"
+
+#define CHECKSUM_BYTES_NUM sizeof(u32)
+
+/**
+  init parser struct with file
+ */
+static int iwmct_fw_parser_init(struct iwmct_priv *priv, const u8 *file,
+			      size_t file_size, size_t block_size)
+{
+	struct iwmct_parser *parser = &priv->parser;
+	struct iwmct_fw_hdr *fw_hdr = &parser->versions;
+
+	LOG_INFOEX(priv, INIT, "-->\n");
+
+	LOG_INFO(priv, FW_DOWNLOAD, "file_size=%zd\n", file_size);
+
+	parser->file = file;
+	parser->file_size = file_size;
+	parser->cur_pos = 0;
+	parser->buf = NULL;
+
+	parser->buf = kzalloc(block_size, GFP_KERNEL);
+	if (!parser->buf) {
+		LOG_ERROR(priv, FW_DOWNLOAD, "kzalloc error\n");
+		return -ENOMEM;
+	}
+	parser->buf_size = block_size;
+
+	/* extract fw versions */
+	memcpy(fw_hdr, parser->file, sizeof(struct iwmct_fw_hdr));
+	LOG_INFO(priv, FW_DOWNLOAD, "fw versions are:\n"
+		"top %u.%u.%u gps %u.%u.%u bt %u.%u.%u tic %s\n",
+		fw_hdr->top_major, fw_hdr->top_minor, fw_hdr->top_revision,
+		fw_hdr->gps_major, fw_hdr->gps_minor, fw_hdr->gps_revision,
+		fw_hdr->bt_major, fw_hdr->bt_minor, fw_hdr->bt_revision,
+		fw_hdr->tic_name);
+
+	parser->cur_pos += sizeof(struct iwmct_fw_hdr);
+
+	LOG_INFOEX(priv, INIT, "<--\n");
+	return 0;
+}
+
+static bool iwmct_checksum(struct iwmct_priv *priv)
+{
+	struct iwmct_parser *parser = &priv->parser;
+	__le32 *file = (__le32 *)parser->file;
+	int i, pad, steps;
+	u32 accum = 0;
+	u32 checksum;
+	u32 mask = 0xffffffff;
+
+	pad = (parser->file_size - CHECKSUM_BYTES_NUM) % 4;
+	steps =  (parser->file_size - CHECKSUM_BYTES_NUM) / 4;
+
+	LOG_INFO(priv, FW_DOWNLOAD, "pad=%d steps=%d\n", pad, steps);
+
+	for (i = 0; i < steps; i++)
+		accum += le32_to_cpu(file[i]);
+
+	if (pad) {
+		mask <<= 8 * (4 - pad);
+		accum += le32_to_cpu(file[steps]) & mask;
+	}
+
+	checksum = get_unaligned_le32((__le32 *)(parser->file +
+			parser->file_size - CHECKSUM_BYTES_NUM));
+
+	LOG_INFO(priv, FW_DOWNLOAD,
+		"compare checksum accum=0x%x to checksum=0x%x\n",
+		accum, checksum);
+
+	return checksum == accum;
+}
+
+static int iwmct_parse_next_section(struct iwmct_priv *priv, const u8 **p_sec,
+				  size_t *sec_size, __le32 *sec_addr)
+{
+	struct iwmct_parser *parser = &priv->parser;
+	struct iwmct_dbg *dbg = &priv->dbg;
+	struct iwmct_fw_sec_hdr *sec_hdr;
+
+	LOG_INFOEX(priv, INIT, "-->\n");
+
+	while (parser->cur_pos + sizeof(struct iwmct_fw_sec_hdr)
+		<= parser->file_size) {
+
+		sec_hdr = (struct iwmct_fw_sec_hdr *)
+				(parser->file + parser->cur_pos);
+		parser->cur_pos += sizeof(struct iwmct_fw_sec_hdr);
+
+		LOG_INFO(priv, FW_DOWNLOAD,
+			"sec hdr: type=%s addr=0x%x size=%d\n",
+			sec_hdr->type, sec_hdr->target_addr,
+			sec_hdr->data_size);
+
+		if (strcmp(sec_hdr->type, "ENT") == 0)
+			parser->entry_point = le32_to_cpu(sec_hdr->target_addr);
+		else if (strcmp(sec_hdr->type, "LBL") == 0)
+			strcpy(dbg->label_fw, parser->file + parser->cur_pos);
+		else if (((strcmp(sec_hdr->type, "TOP") == 0) &&
+			  (priv->barker & BARKER_DNLOAD_TOP_MSK)) ||
+			 ((strcmp(sec_hdr->type, "GPS") == 0) &&
+			  (priv->barker & BARKER_DNLOAD_GPS_MSK)) ||
+			 ((strcmp(sec_hdr->type, "BTH") == 0) &&
+			  (priv->barker & BARKER_DNLOAD_BT_MSK))) {
+			*sec_addr = sec_hdr->target_addr;
+			*sec_size = le32_to_cpu(sec_hdr->data_size);
+			*p_sec = parser->file + parser->cur_pos;
+			parser->cur_pos += le32_to_cpu(sec_hdr->data_size);
+			return 1;
+		} else if (strcmp(sec_hdr->type, "LOG") != 0)
+			LOG_WARNING(priv, FW_DOWNLOAD,
+				    "skipping section type %s\n",
+				    sec_hdr->type);
+
+		parser->cur_pos += le32_to_cpu(sec_hdr->data_size);
+		LOG_INFO(priv, FW_DOWNLOAD,
+			"finished with section cur_pos=%zd\n", parser->cur_pos);
+	}
+
+	LOG_INFOEX(priv, INIT, "<--\n");
+	return 0;
+}
+
+static int iwmct_download_section(struct iwmct_priv *priv, const u8 *p_sec,
+				size_t sec_size, __le32 addr)
+{
+	struct iwmct_parser *parser = &priv->parser;
+	struct iwmct_fw_load_hdr *hdr = (struct iwmct_fw_load_hdr *)parser->buf;
+	const u8 *cur_block = p_sec;
+	size_t sent = 0;
+	int cnt = 0;
+	int ret = 0;
+	u32 cmd = 0;
+
+	LOG_INFOEX(priv, INIT, "-->\n");
+	LOG_INFO(priv, FW_DOWNLOAD, "Download address 0x%x size 0x%zx\n",
+				addr, sec_size);
+
+	while (sent < sec_size) {
+		int i;
+		u32 chksm = 0;
+		u32 reset = atomic_read(&priv->reset);
+		/* actual FW data */
+		u32 data_size = min(parser->buf_size - sizeof(*hdr),
+				    sec_size - sent);
+		/* Pad to block size */
+		u32 trans_size = (data_size + sizeof(*hdr) +
+				  IWMC_SDIO_BLK_SIZE - 1) &
+				  ~(IWMC_SDIO_BLK_SIZE - 1);
+		++cnt;
+
+		/* in case of reset, interrupt FW DOWNLAOD */
+		if (reset) {
+			LOG_INFO(priv, FW_DOWNLOAD,
+				 "Reset detected. Abort FW download!!!");
+			ret = -ECANCELED;
+			goto exit;
+		}
+
+		memset(parser->buf, 0, parser->buf_size);
+		cmd |= IWMC_OPCODE_WRITE << CMD_HDR_OPCODE_POS;
+		cmd |= IWMC_CMD_SIGNATURE << CMD_HDR_SIGNATURE_POS;
+		cmd |= (priv->dbg.direct ? 1 : 0) << CMD_HDR_DIRECT_ACCESS_POS;
+		cmd |= (priv->dbg.checksum ? 1 : 0) << CMD_HDR_USE_CHECKSUM_POS;
+		hdr->data_size = cpu_to_le32(data_size);
+		hdr->target_addr = addr;
+
+		/* checksum is allowed for sizes divisible by 4 */
+		if (data_size & 0x3)
+			cmd &= ~CMD_HDR_USE_CHECKSUM_MSK;
+
+		memcpy(hdr->data, cur_block, data_size);
+
+
+		if (cmd & CMD_HDR_USE_CHECKSUM_MSK) {
+
+			chksm = data_size + le32_to_cpu(addr) + cmd;
+			for (i = 0; i < data_size >> 2; i++)
+				chksm += ((u32 *)cur_block)[i];
+
+			hdr->block_chksm = cpu_to_le32(chksm);
+			LOG_INFO(priv, FW_DOWNLOAD, "Checksum = 0x%X\n",
+				 hdr->block_chksm);
+		}
+
+		LOG_INFO(priv, FW_DOWNLOAD, "trans#%d, len=%d, sent=%zd, "
+				"sec_size=%zd, startAddress 0x%X\n",
+				cnt, trans_size, sent, sec_size, addr);
+
+		if (priv->dbg.dump)
+			LOG_HEXDUMP(FW_DOWNLOAD, parser->buf, trans_size);
+
+
+		hdr->cmd = cpu_to_le32(cmd);
+		/* send it down */
+		/* TODO: add more proper sending and error checking */
+		ret = iwmct_tx(priv, 0, parser->buf, trans_size);
+		if (ret != 0) {
+			LOG_INFO(priv, FW_DOWNLOAD,
+				"iwmct_tx returned %d\n", ret);
+			goto exit;
+		}
+
+		addr = cpu_to_le32(le32_to_cpu(addr) + data_size);
+		sent += data_size;
+		cur_block = p_sec + sent;
+
+		if (priv->dbg.blocks && (cnt + 1) >= priv->dbg.blocks) {
+			LOG_INFO(priv, FW_DOWNLOAD,
+				"Block number limit is reached [%d]\n",
+				priv->dbg.blocks);
+			break;
+		}
+	}
+
+	if (sent < sec_size)
+		ret = -EINVAL;
+exit:
+	LOG_INFOEX(priv, INIT, "<--\n");
+	return ret;
+}
+
+static int iwmct_kick_fw(struct iwmct_priv *priv, bool jump)
+{
+	struct iwmct_parser *parser = &priv->parser;
+	struct iwmct_fw_load_hdr *hdr = (struct iwmct_fw_load_hdr *)parser->buf;
+	int ret;
+	u32 cmd;
+
+	LOG_INFOEX(priv, INIT, "-->\n");
+
+	memset(parser->buf, 0, parser->buf_size);
+	cmd = IWMC_CMD_SIGNATURE << CMD_HDR_SIGNATURE_POS;
+	if (jump) {
+		cmd |= IWMC_OPCODE_JUMP << CMD_HDR_OPCODE_POS;
+		hdr->target_addr = cpu_to_le32(parser->entry_point);
+		LOG_INFO(priv, FW_DOWNLOAD, "jump address 0x%x\n",
+				parser->entry_point);
+	} else {
+		cmd |= IWMC_OPCODE_LAST_COMMAND << CMD_HDR_OPCODE_POS;
+		LOG_INFO(priv, FW_DOWNLOAD, "last command\n");
+	}
+
+	hdr->cmd = cpu_to_le32(cmd);
+
+	LOG_HEXDUMP(FW_DOWNLOAD, parser->buf, sizeof(*hdr));
+	/* send it down */
+	/* TODO: add more proper sending and error checking */
+	ret = iwmct_tx(priv, 0, parser->buf, IWMC_SDIO_BLK_SIZE);
+	if (ret)
+		LOG_INFO(priv, FW_DOWNLOAD, "iwmct_tx returned %d", ret);
+
+	LOG_INFOEX(priv, INIT, "<--\n");
+	return 0;
+}
+
+int iwmct_fw_load(struct iwmct_priv *priv)
+{
+	const struct firmware *raw = NULL;
+	__le32 addr;
+	size_t len;
+	const u8 *pdata;
+	const u8 *name = "iwmc3200top.1.fw";
+	int ret = 0;
+
+	/* clear parser struct */
+	memset(&priv->parser, 0, sizeof(struct iwmct_parser));
+	if (!name) {
+		ret = -EINVAL;
+		goto exit;
+	}
+
+	/* get the firmware */
+	ret = request_firmware(&raw, name, &priv->func->dev);
+	if (ret < 0) {
+		LOG_ERROR(priv, FW_DOWNLOAD, "%s request_firmware failed %d\n",
+			  name, ret);
+		goto exit;
+	}
+
+	if (raw->size < sizeof(struct iwmct_fw_sec_hdr)) {
+		LOG_ERROR(priv, FW_DOWNLOAD, "%s smaller then (%zd) (%zd)\n",
+			  name, sizeof(struct iwmct_fw_sec_hdr), raw->size);
+		goto exit;
+	}
+
+	LOG_INFO(priv, FW_DOWNLOAD, "Read firmware '%s'\n", name);
+
+	ret = iwmct_fw_parser_init(priv, raw->data, raw->size, priv->trans_len);
+	if (ret < 0) {
+		LOG_ERROR(priv, FW_DOWNLOAD,
+			  "iwmct_parser_init failed: Reason %d\n", ret);
+		goto exit;
+	}
+
+	/* checksum  */
+	if (!iwmct_checksum(priv)) {
+		LOG_ERROR(priv, FW_DOWNLOAD, "checksum error\n");
+		ret = -EINVAL;
+		goto exit;
+	}
+
+	/* download firmware to device */
+	while (iwmct_parse_next_section(priv, &pdata, &len, &addr)) {
+		if (iwmct_download_section(priv, pdata, len, addr)) {
+			LOG_ERROR(priv, FW_DOWNLOAD,
+				  "%s download section failed\n", name);
+			ret = -EIO;
+			goto exit;
+		}
+	}
+
+	iwmct_kick_fw(priv, !!(priv->barker & BARKER_DNLOAD_JUMP_MSK));
+
+exit:
+	kfree(priv->parser.buf);
+
+	if (raw)
+		release_firmware(raw);
+
+	raw = NULL;
+
+	return ret;
+}
diff --git a/drivers/misc/iwmc3200top/fw-msg.h b/drivers/misc/iwmc3200top/fw-msg.h
new file mode 100644
index 00000000000..9e26b75bd48
--- /dev/null
+++ b/drivers/misc/iwmc3200top/fw-msg.h
@@ -0,0 +1,113 @@
+/*
+ * iwmc3200top - Intel Wireless MultiCom 3200 Top Driver
+ * drivers/misc/iwmc3200top/fw-msg.h
+ *
+ * Copyright (C) 2009 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * Author Name: Maxim Grabarnik <maxim.grabarnink@intel.com>
+ *  -
+ *
+ */
+
+#ifndef __FWMSG_H__
+#define __FWMSG_H__
+
+#define COMM_TYPE_D2H           	0xFF
+#define COMM_TYPE_H2D           	0xEE
+
+#define COMM_CATEGORY_OPERATIONAL      	0x00
+#define COMM_CATEGORY_DEBUG            	0x01
+#define COMM_CATEGORY_TESTABILITY      	0x02
+#define COMM_CATEGORY_DIAGNOSTICS      	0x03
+
+#define OP_DBG_ZSTR_MSG			cpu_to_le16(0x1A)
+
+#define FW_LOG_SRC_MAX			32
+#define FW_LOG_SRC_ALL			255
+
+#define FW_STRING_TABLE_ADDR		cpu_to_le32(0x0C000000)
+
+#define CMD_DBG_LOG_LEVEL		cpu_to_le16(0x0001)
+#define CMD_TST_DEV_RESET		cpu_to_le16(0x0060)
+#define CMD_TST_FUNC_RESET		cpu_to_le16(0x0062)
+#define CMD_TST_IFACE_RESET		cpu_to_le16(0x0064)
+#define CMD_TST_CPU_UTILIZATION		cpu_to_le16(0x0065)
+#define CMD_TST_TOP_DEEP_SLEEP		cpu_to_le16(0x0080)
+#define CMD_TST_WAKEUP			cpu_to_le16(0x0081)
+#define CMD_TST_FUNC_WAKEUP		cpu_to_le16(0x0082)
+#define CMD_TST_FUNC_DEEP_SLEEP_REQUEST	cpu_to_le16(0x0083)
+#define CMD_TST_GET_MEM_DUMP		cpu_to_le16(0x0096)
+
+#define OP_OPR_ALIVE			cpu_to_le16(0x0010)
+#define OP_OPR_CMD_ACK			cpu_to_le16(0x001F)
+#define OP_OPR_CMD_NACK			cpu_to_le16(0x0020)
+#define OP_TST_MEM_DUMP			cpu_to_le16(0x0043)
+
+#define CMD_FLAG_PADDING_256		0x80
+
+#define FW_HCMD_BLOCK_SIZE      	256
+
+struct msg_hdr {
+	u8 type;
+	u8 category;
+	__le16 opcode;
+	u8 seqnum;
+	u8 flags;
+	__le16 length;
+} __attribute__((__packed__));
+
+struct log_hdr {
+	__le32 timestamp;
+	u8 severity;
+	u8 logsource;
+	__le16 reserved;
+} __attribute__((__packed__));
+
+struct mdump_hdr {
+	u8 dmpid;
+	u8 frag;
+	__le16 size;
+	__le32 addr;
+} __attribute__((__packed__));
+
+struct top_msg {
+	struct msg_hdr hdr;
+	union {
+		/* D2H messages */
+		struct {
+			struct log_hdr log_hdr;
+			u8 data[1];
+		} __attribute__((__packed__)) log;
+
+		struct {
+			struct log_hdr log_hdr;
+			struct mdump_hdr md_hdr;
+			u8 data[1];
+		} __attribute__((__packed__)) mdump;
+
+		/* H2D messages */
+		struct {
+			u8 logsource;
+			u8 sevmask;
+		} __attribute__((__packed__)) logdefs[FW_LOG_SRC_MAX];
+		struct mdump_hdr mdump_req;
+	} u;
+} __attribute__((__packed__));
+
+
+#endif /* __FWMSG_H__ */
diff --git a/drivers/misc/iwmc3200top/iwmc3200top.h b/drivers/misc/iwmc3200top/iwmc3200top.h
new file mode 100644
index 00000000000..f572fcf177a
--- /dev/null
+++ b/drivers/misc/iwmc3200top/iwmc3200top.h
@@ -0,0 +1,206 @@
+/*
+ * iwmc3200top - Intel Wireless MultiCom 3200 Top Driver
+ * drivers/misc/iwmc3200top/iwmc3200top.h
+ *
+ * Copyright (C) 2009 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * Author Name: Maxim Grabarnik <maxim.grabarnink@intel.com>
+ *  -
+ *
+ */
+
+#ifndef __IWMC3200TOP_H__
+#define __IWMC3200TOP_H__
+
+#include <linux/workqueue.h>
+
+#define DRV_NAME "iwmc3200top"
+
+#define IWMC_SDIO_BLK_SIZE			256
+#define IWMC_DEFAULT_TR_BLK			64
+#define IWMC_SDIO_DATA_ADDR			0x0
+#define IWMC_SDIO_INTR_ENABLE_ADDR		0x14
+#define IWMC_SDIO_INTR_STATUS_ADDR		0x13
+#define IWMC_SDIO_INTR_CLEAR_ADDR		0x13
+#define IWMC_SDIO_INTR_GET_SIZE_ADDR		0x2C
+
+#define COMM_HUB_HEADER_LENGTH 16
+#define LOGGER_HEADER_LENGTH   10
+
+
+#define BARKER_DNLOAD_BT_POS		0
+#define BARKER_DNLOAD_BT_MSK		BIT(BARKER_DNLOAD_BT_POS)
+#define BARKER_DNLOAD_GPS_POS		1
+#define BARKER_DNLOAD_GPS_MSK		BIT(BARKER_DNLOAD_GPS_POS)
+#define BARKER_DNLOAD_TOP_POS		2
+#define BARKER_DNLOAD_TOP_MSK		BIT(BARKER_DNLOAD_TOP_POS)
+#define BARKER_DNLOAD_RESERVED1_POS	3
+#define BARKER_DNLOAD_RESERVED1_MSK	BIT(BARKER_DNLOAD_RESERVED1_POS)
+#define BARKER_DNLOAD_JUMP_POS		4
+#define BARKER_DNLOAD_JUMP_MSK		BIT(BARKER_DNLOAD_JUMP_POS)
+#define BARKER_DNLOAD_SYNC_POS		5
+#define BARKER_DNLOAD_SYNC_MSK		BIT(BARKER_DNLOAD_SYNC_POS)
+#define BARKER_DNLOAD_RESERVED2_POS	6
+#define BARKER_DNLOAD_RESERVED2_MSK	(0x3 << BARKER_DNLOAD_RESERVED2_POS)
+#define BARKER_DNLOAD_BARKER_POS	8
+#define BARKER_DNLOAD_BARKER_MSK	(0xffffff << BARKER_DNLOAD_BARKER_POS)
+
+#define IWMC_BARKER_REBOOT 	(0xdeadbe << BARKER_DNLOAD_BARKER_POS)
+/* whole field barker */
+#define IWMC_BARKER_ACK 	0xfeedbabe
+
+#define IWMC_CMD_SIGNATURE 	0xcbbc
+
+#define CMD_HDR_OPCODE_POS		0
+#define CMD_HDR_OPCODE_MSK_MSK		(0xf << CMD_HDR_OPCODE_MSK_POS)
+#define CMD_HDR_RESPONSE_CODE_POS	4
+#define CMD_HDR_RESPONSE_CODE_MSK	(0xf << CMD_HDR_RESPONSE_CODE_POS)
+#define CMD_HDR_USE_CHECKSUM_POS	8
+#define CMD_HDR_USE_CHECKSUM_MSK	BIT(CMD_HDR_USE_CHECKSUM_POS)
+#define CMD_HDR_RESPONSE_REQUIRED_POS	9
+#define CMD_HDR_RESPONSE_REQUIRED_MSK	BIT(CMD_HDR_RESPONSE_REQUIRED_POS)
+#define CMD_HDR_DIRECT_ACCESS_POS	10
+#define CMD_HDR_DIRECT_ACCESS_MSK	BIT(CMD_HDR_DIRECT_ACCESS_POS)
+#define CMD_HDR_RESERVED_POS		11
+#define CMD_HDR_RESERVED_MSK		BIT(0x1f << CMD_HDR_RESERVED_POS)
+#define CMD_HDR_SIGNATURE_POS		16
+#define CMD_HDR_SIGNATURE_MSK		BIT(0xffff << CMD_HDR_SIGNATURE_POS)
+
+enum {
+	IWMC_OPCODE_PING = 0,
+	IWMC_OPCODE_READ = 1,
+	IWMC_OPCODE_WRITE = 2,
+	IWMC_OPCODE_JUMP = 3,
+	IWMC_OPCODE_REBOOT = 4,
+	IWMC_OPCODE_PERSISTENT_WRITE = 5,
+	IWMC_OPCODE_PERSISTENT_READ = 6,
+	IWMC_OPCODE_READ_MODIFY_WRITE = 7,
+	IWMC_OPCODE_LAST_COMMAND = 15
+};
+
+struct iwmct_fw_load_hdr {
+	__le32 cmd;
+	__le32 target_addr;
+	__le32 data_size;
+	__le32 block_chksm;
+	u8 data[0];
+};
+
+/**
+ * struct iwmct_fw_hdr
+ * holds all sw components versions
+ */
+struct iwmct_fw_hdr {
+	u8 top_major;
+	u8 top_minor;
+	u8 top_revision;
+	u8 gps_major;
+	u8 gps_minor;
+	u8 gps_revision;
+	u8 bt_major;
+	u8 bt_minor;
+	u8 bt_revision;
+	u8 tic_name[31];
+};
+
+/**
+ * struct iwmct_fw_sec_hdr
+ * @type: function type
+ * @data_size: section's data size
+ * @target_addr: download address
+ */
+struct iwmct_fw_sec_hdr {
+	u8 type[4];
+	__le32 data_size;
+	__le32 target_addr;
+};
+
+/**
+ * struct iwmct_parser
+ * @file: fw image
+ * @file_size: fw size
+ * @cur_pos: position in file
+ * @buf: temp buf for download
+ * @buf_size: size of buf
+ * @entry_point: address to jump in fw kick-off
+ */
+struct iwmct_parser {
+	const u8 *file;
+	size_t file_size;
+	size_t cur_pos;
+	u8 *buf;
+	size_t buf_size;
+	u32 entry_point;
+	struct iwmct_fw_hdr versions;
+};
+
+
+struct iwmct_work_struct {
+	struct list_head list;
+	ssize_t iosize;
+};
+
+struct iwmct_dbg {
+	int blocks;
+	bool dump;
+	bool jump;
+	bool direct;
+	bool checksum;
+	bool fw_download;
+	int block_size;
+	int download_trans_blks;
+
+	char label_fw[256];
+};
+
+struct iwmct_debugfs;
+
+struct iwmct_priv {
+	struct sdio_func *func;
+	struct iwmct_debugfs *dbgfs;
+	struct iwmct_parser parser;
+	atomic_t reset;
+	atomic_t dev_sync;
+	u32 trans_len;
+	u32 barker;
+	struct iwmct_dbg dbg;
+
+	/* drivers work queue */
+	struct workqueue_struct *wq;
+	struct workqueue_struct *bus_rescan_wq;
+	struct work_struct bus_rescan_worker;
+	struct work_struct isr_worker;
+
+	/* drivers wait queue */
+	wait_queue_head_t wait_q;
+
+	/* rx request list */
+	struct list_head read_req_list;
+};
+
+extern int iwmct_tx(struct iwmct_priv *priv, unsigned int addr,
+		void *src, int count);
+
+extern int iwmct_fw_load(struct iwmct_priv *priv);
+
+extern void iwmct_dbg_init_params(struct iwmct_priv *drv);
+extern void iwmct_dbg_init_drv_attrs(struct device_driver *drv);
+extern void iwmct_dbg_remove_drv_attrs(struct device_driver *drv);
+extern int iwmct_send_hcmd(struct iwmct_priv *priv, u8 *cmd, u16 len);
+
+#endif  /*  __IWMC3200TOP_H__  */
diff --git a/drivers/misc/iwmc3200top/log.c b/drivers/misc/iwmc3200top/log.c
new file mode 100644
index 00000000000..d569279698f
--- /dev/null
+++ b/drivers/misc/iwmc3200top/log.c
@@ -0,0 +1,347 @@
+/*
+ * iwmc3200top - Intel Wireless MultiCom 3200 Top Driver
+ * drivers/misc/iwmc3200top/log.c
+ *
+ * Copyright (C) 2009 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * Author Name: Maxim Grabarnik <maxim.grabarnink@intel.com>
+ *  -
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/mmc/sdio_func.h>
+#include <linux/ctype.h>
+#include "fw-msg.h"
+#include "iwmc3200top.h"
+#include "log.h"
+
+/* Maximal hexadecimal string size of the FW memdump message */
+#define LOG_MSG_SIZE_MAX		12400
+
+/* iwmct_logdefs is a global used by log macros */
+u8 iwmct_logdefs[LOG_SRC_MAX];
+static u8 iwmct_fw_logdefs[FW_LOG_SRC_MAX];
+
+
+static int _log_set_log_filter(u8 *logdefs, int size, u8 src, u8 logmask)
+{
+	int i;
+
+	if (src < size)
+		logdefs[src] = logmask;
+	else if (src == LOG_SRC_ALL)
+		for (i = 0; i < size; i++)
+			logdefs[i] = logmask;
+	else
+		return -1;
+
+	return 0;
+}
+
+
+int iwmct_log_set_filter(u8 src, u8 logmask)
+{
+	return _log_set_log_filter(iwmct_logdefs, LOG_SRC_MAX, src, logmask);
+}
+
+
+int iwmct_log_set_fw_filter(u8 src, u8 logmask)
+{
+	return _log_set_log_filter(iwmct_fw_logdefs,
+				   FW_LOG_SRC_MAX, src, logmask);
+}
+
+
+static int log_msg_format_hex(char *str, int slen, u8 *ibuf,
+			      int ilen, char *pref)
+{
+	int pos = 0;
+	int i;
+	int len;
+
+	for (pos = 0, i = 0; pos < slen - 2 && pref[i] != '\0'; i++, pos++)
+		str[pos] = pref[i];
+
+	for (i = 0; pos < slen - 2 && i < ilen; pos += len, i++)
+		len = snprintf(&str[pos], slen - pos - 1, " %2.2X", ibuf[i]);
+
+	if (i < ilen)
+		return -1;
+
+	return 0;
+}
+
+/*	NOTE: This function is not thread safe.
+	Currently it's called only from sdio rx worker - no race there
+*/
+void iwmct_log_top_message(struct iwmct_priv *priv, u8 *buf, int len)
+{
+	struct top_msg *msg;
+	static char logbuf[LOG_MSG_SIZE_MAX];
+
+	msg = (struct top_msg *)buf;
+
+	if (len < sizeof(msg->hdr) + sizeof(msg->u.log.log_hdr)) {
+		LOG_ERROR(priv, FW_MSG, "Log message from TOP "
+			  "is too short %d (expected %zd)\n",
+			  len, sizeof(msg->hdr) + sizeof(msg->u.log.log_hdr));
+		return;
+	}
+
+	if (!(iwmct_fw_logdefs[msg->u.log.log_hdr.logsource] &
+		BIT(msg->u.log.log_hdr.severity)) ||
+	    !(iwmct_logdefs[LOG_SRC_FW_MSG] & BIT(msg->u.log.log_hdr.severity)))
+		return;
+
+	switch (msg->hdr.category) {
+	case COMM_CATEGORY_TESTABILITY:
+		if (!(iwmct_logdefs[LOG_SRC_TST] &
+		      BIT(msg->u.log.log_hdr.severity)))
+			return;
+		if (log_msg_format_hex(logbuf, LOG_MSG_SIZE_MAX, buf,
+				       le16_to_cpu(msg->hdr.length) +
+				       sizeof(msg->hdr), "<TST>"))
+			LOG_WARNING(priv, TST,
+				  "TOP TST message is too long, truncating...");
+		LOG_WARNING(priv, TST, "%s\n", logbuf);
+		break;
+	case COMM_CATEGORY_DEBUG:
+		if (msg->hdr.opcode == OP_DBG_ZSTR_MSG)
+			LOG_INFO(priv, FW_MSG, "%s %s", "<DBG>",
+				       ((u8 *)msg) + sizeof(msg->hdr)
+					+ sizeof(msg->u.log.log_hdr));
+		else {
+			if (log_msg_format_hex(logbuf, LOG_MSG_SIZE_MAX, buf,
+					le16_to_cpu(msg->hdr.length)
+						+ sizeof(msg->hdr),
+					"<DBG>"))
+				LOG_WARNING(priv, FW_MSG,
+					"TOP DBG message is too long,"
+					"truncating...");
+			LOG_WARNING(priv, FW_MSG, "%s\n", logbuf);
+		}
+		break;
+	default:
+		break;
+	}
+}
+
+static int _log_get_filter_str(u8 *logdefs, int logdefsz, char *buf, int size)
+{
+	int i, pos, len;
+	for (i = 0, pos = 0; (pos < size-1) && (i < logdefsz); i++) {
+		len = snprintf(&buf[pos], size - pos - 1, "0x%02X%02X,",
+				i, logdefs[i]);
+		pos += len;
+	}
+	buf[pos-1] = '\n';
+	buf[pos] = '\0';
+
+	if (i < logdefsz)
+		return -1;
+	return 0;
+}
+
+int log_get_filter_str(char *buf, int size)
+{
+	return _log_get_filter_str(iwmct_logdefs, LOG_SRC_MAX, buf, size);
+}
+
+int log_get_fw_filter_str(char *buf, int size)
+{
+	return _log_get_filter_str(iwmct_fw_logdefs, FW_LOG_SRC_MAX, buf, size);
+}
+
+#define HEXADECIMAL_RADIX	16
+#define LOG_SRC_FORMAT		7 /* log level is in format of "0xXXXX," */
+
+ssize_t show_iwmct_log_level(struct device *d,
+				struct device_attribute *attr, char *buf)
+{
+	struct iwmct_priv *priv = dev_get_drvdata(d);
+	char *str_buf;
+	int buf_size;
+	ssize_t ret;
+
+	buf_size = (LOG_SRC_FORMAT * LOG_SRC_MAX) + 1;
+	str_buf = kzalloc(buf_size, GFP_KERNEL);
+	if (!str_buf) {
+		LOG_ERROR(priv, DEBUGFS,
+			"failed to allocate %d bytes\n", buf_size);
+		ret = -ENOMEM;
+		goto exit;
+	}
+
+	if (log_get_filter_str(str_buf, buf_size) < 0) {
+		ret = -EINVAL;
+		goto exit;
+	}
+
+	ret = sprintf(buf, "%s", str_buf);
+
+exit:
+	kfree(str_buf);
+	return ret;
+}
+
+ssize_t store_iwmct_log_level(struct device *d,
+			struct device_attribute *attr,
+			const char *buf, size_t count)
+{
+	struct iwmct_priv *priv = dev_get_drvdata(d);
+	char *token, *str_buf = NULL;
+	long val;
+	ssize_t ret = count;
+	u8 src, mask;
+
+	if (!count)
+		goto exit;
+
+	str_buf = kzalloc(count, GFP_KERNEL);
+	if (!str_buf) {
+		LOG_ERROR(priv, DEBUGFS,
+			"failed to allocate %zd bytes\n", count);
+		ret = -ENOMEM;
+		goto exit;
+	}
+
+	memcpy(str_buf, buf, count);
+
+	while ((token = strsep(&str_buf, ",")) != NULL) {
+		while (isspace(*token))
+			++token;
+		if (strict_strtol(token, HEXADECIMAL_RADIX, &val)) {
+			LOG_ERROR(priv, DEBUGFS,
+				  "failed to convert string to long %s\n",
+				  token);
+			ret = -EINVAL;
+			goto exit;
+		}
+
+		mask  = val & 0xFF;
+		src = (val & 0XFF00) >> 8;
+		iwmct_log_set_filter(src, mask);
+	}
+
+exit:
+	kfree(str_buf);
+	return ret;
+}
+
+ssize_t show_iwmct_log_level_fw(struct device *d,
+			struct device_attribute *attr, char *buf)
+{
+	struct iwmct_priv *priv = dev_get_drvdata(d);
+	char *str_buf;
+	int buf_size;
+	ssize_t ret;
+
+	buf_size = (LOG_SRC_FORMAT * FW_LOG_SRC_MAX) + 2;
+
+	str_buf = kzalloc(buf_size, GFP_KERNEL);
+	if (!str_buf) {
+		LOG_ERROR(priv, DEBUGFS,
+			"failed to allocate %d bytes\n", buf_size);
+		ret = -ENOMEM;
+		goto exit;
+	}
+
+	if (log_get_fw_filter_str(str_buf, buf_size) < 0) {
+		ret = -EINVAL;
+		goto exit;
+	}
+
+	ret = sprintf(buf, "%s", str_buf);
+
+exit:
+	kfree(str_buf);
+	return ret;
+}
+
+ssize_t store_iwmct_log_level_fw(struct device *d,
+			struct device_attribute *attr,
+			const char *buf, size_t count)
+{
+	struct iwmct_priv *priv = dev_get_drvdata(d);
+	struct top_msg cmd;
+	char *token, *str_buf = NULL;
+	ssize_t ret = count;
+	u16 cmdlen = 0;
+	int i;
+	long val;
+	u8 src, mask;
+
+	if (!count)
+		goto exit;
+
+	str_buf = kzalloc(count, GFP_KERNEL);
+	if (!str_buf) {
+		LOG_ERROR(priv, DEBUGFS,
+			"failed to allocate %zd bytes\n", count);
+		ret = -ENOMEM;
+		goto exit;
+	}
+
+	memcpy(str_buf, buf, count);
+
+	cmd.hdr.type = COMM_TYPE_H2D;
+	cmd.hdr.category = COMM_CATEGORY_DEBUG;
+	cmd.hdr.opcode = CMD_DBG_LOG_LEVEL;
+
+	for (i = 0; ((token = strsep(&str_buf, ",")) != NULL) &&
+		     (i < FW_LOG_SRC_MAX); i++) {
+
+		while (isspace(*token))
+			++token;
+
+		if (strict_strtol(token, HEXADECIMAL_RADIX, &val)) {
+			LOG_ERROR(priv, DEBUGFS,
+				  "failed to convert string to long %s\n",
+				  token);
+			ret = -EINVAL;
+			goto exit;
+		}
+
+		mask  = val & 0xFF; /* LSB */
+		src = (val & 0XFF00) >> 8; /* 2nd least significant byte. */
+		iwmct_log_set_fw_filter(src, mask);
+
+		cmd.u.logdefs[i].logsource = src;
+		cmd.u.logdefs[i].sevmask = mask;
+	}
+
+	cmd.hdr.length = cpu_to_le16(i * sizeof(cmd.u.logdefs[0]));
+	cmdlen = (i * sizeof(cmd.u.logdefs[0]) + sizeof(cmd.hdr));
+
+	ret = iwmct_send_hcmd(priv, (u8 *)&cmd, cmdlen);
+	if (ret) {
+		LOG_ERROR(priv, DEBUGFS,
+			  "Failed to send %d bytes of fwcmd, ret=%zd\n",
+			  cmdlen, ret);
+		goto exit;
+	} else
+		LOG_INFO(priv, DEBUGFS, "fwcmd sent (%d bytes)\n", cmdlen);
+
+	ret = count;
+
+exit:
+	kfree(str_buf);
+	return ret;
+}
+
diff --git a/drivers/misc/iwmc3200top/log.h b/drivers/misc/iwmc3200top/log.h
new file mode 100644
index 00000000000..aba8121f978
--- /dev/null
+++ b/drivers/misc/iwmc3200top/log.h
@@ -0,0 +1,158 @@
+/*
+ * iwmc3200top - Intel Wireless MultiCom 3200 Top Driver
+ * drivers/misc/iwmc3200top/log.h
+ *
+ * Copyright (C) 2009 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * Author Name: Maxim Grabarnik <maxim.grabarnink@intel.com>
+ *  -
+ *
+ */
+
+#ifndef __LOG_H__
+#define __LOG_H__
+
+
+/* log severity:
+ * The log levels here match FW log levels
+ * so values need to stay as is */
+#define LOG_SEV_CRITICAL		0
+#define LOG_SEV_ERROR			1
+#define LOG_SEV_WARNING			2
+#define LOG_SEV_INFO			3
+#define LOG_SEV_INFOEX			4
+
+#define LOG_SEV_FILTER_ALL		\
+	(BIT(LOG_SEV_CRITICAL) |	\
+	 BIT(LOG_SEV_ERROR)    |	\
+	 BIT(LOG_SEV_WARNING)  | 	\
+	 BIT(LOG_SEV_INFO)     |	\
+	 BIT(LOG_SEV_INFOEX))
+
+/* log source */
+#define LOG_SRC_INIT			0
+#define LOG_SRC_DEBUGFS			1
+#define LOG_SRC_FW_DOWNLOAD		2
+#define LOG_SRC_FW_MSG			3
+#define LOG_SRC_TST			4
+#define LOG_SRC_IRQ			5
+
+#define	LOG_SRC_MAX			6
+#define	LOG_SRC_ALL			0xFF
+
+/**
+ * Default intitialization runtime log level
+ */
+#ifndef LOG_SEV_FILTER_RUNTIME
+#define LOG_SEV_FILTER_RUNTIME			\
+	(BIT(LOG_SEV_CRITICAL)	|		\
+	 BIT(LOG_SEV_ERROR)	|		\
+	 BIT(LOG_SEV_WARNING))
+#endif
+
+#ifndef FW_LOG_SEV_FILTER_RUNTIME
+#define FW_LOG_SEV_FILTER_RUNTIME	LOG_SEV_FILTER_ALL
+#endif
+
+#ifdef CONFIG_IWMC3200TOP_DEBUG
+/**
+ * Log macros
+ */
+
+#define priv2dev(priv) (&(priv->func)->dev)
+
+#define LOG_CRITICAL(priv, src, fmt, args...)				\
+do {									\
+	if (iwmct_logdefs[LOG_SRC_ ## src] & BIT(LOG_SEV_CRITICAL))	\
+		dev_crit(priv2dev(priv), "%s %d: " fmt,			\
+			__func__, __LINE__, ##args);			\
+} while (0)
+
+#define LOG_ERROR(priv, src, fmt, args...)				\
+do {									\
+	if (iwmct_logdefs[LOG_SRC_ ## src] & BIT(LOG_SEV_ERROR))	\
+		dev_err(priv2dev(priv), "%s %d: " fmt,			\
+			__func__, __LINE__, ##args);			\
+} while (0)
+
+#define LOG_WARNING(priv, src, fmt, args...)				\
+do {									\
+	if (iwmct_logdefs[LOG_SRC_ ## src] & BIT(LOG_SEV_WARNING))	\
+		dev_warn(priv2dev(priv), "%s %d: " fmt,			\
+			 __func__, __LINE__, ##args);			\
+} while (0)
+
+#define LOG_INFO(priv, src, fmt, args...)				\
+do {									\
+	if (iwmct_logdefs[LOG_SRC_ ## src] & BIT(LOG_SEV_INFO))		\
+		dev_info(priv2dev(priv), "%s %d: " fmt,			\
+			 __func__, __LINE__, ##args);			\
+} while (0)
+
+#define LOG_INFOEX(priv, src, fmt, args...)				\
+do {									\
+	if (iwmct_logdefs[LOG_SRC_ ## src] & BIT(LOG_SEV_INFOEX))	\
+		dev_dbg(priv2dev(priv), "%s %d: " fmt,			\
+			 __func__, __LINE__, ##args);			\
+} while (0)
+
+#define LOG_HEXDUMP(src, ptr, len)					\
+do {									\
+	if (iwmct_logdefs[LOG_SRC_ ## src] & BIT(LOG_SEV_INFOEX))	\
+		print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_NONE,	\
+				16, 1, ptr, len, false);		\
+} while (0)
+
+void iwmct_log_top_message(struct iwmct_priv *priv, u8 *buf, int len);
+
+extern u8 iwmct_logdefs[];
+
+int iwmct_log_set_filter(u8 src, u8 logmask);
+int iwmct_log_set_fw_filter(u8 src, u8 logmask);
+
+ssize_t show_iwmct_log_level(struct device *d,
+			struct device_attribute *attr, char *buf);
+ssize_t store_iwmct_log_level(struct device *d,
+			struct device_attribute *attr,
+			const char *buf, size_t count);
+ssize_t show_iwmct_log_level_fw(struct device *d,
+			struct device_attribute *attr, char *buf);
+ssize_t store_iwmct_log_level_fw(struct device *d,
+			struct device_attribute *attr,
+			const char *buf, size_t count);
+
+#else
+
+#define LOG_CRITICAL(priv, src, fmt, args...)
+#define LOG_ERROR(priv, src, fmt, args...)
+#define LOG_WARNING(priv, src, fmt, args...)
+#define LOG_INFO(priv, src, fmt, args...)
+#define LOG_INFOEX(priv, src, fmt, args...)
+#define LOG_HEXDUMP(src, ptr, len)
+
+static inline void iwmct_log_top_message(struct iwmct_priv *priv,
+					 u8 *buf, int len) {}
+static inline int iwmct_log_set_filter(u8 src, u8 logmask) { return 0; }
+static inline int iwmct_log_set_fw_filter(u8 src, u8 logmask) { return 0; }
+
+#endif /* CONFIG_IWMC3200TOP_DEBUG */
+
+int log_get_filter_str(char *buf, int size);
+int log_get_fw_filter_str(char *buf, int size);
+
+#endif /* __LOG_H__ */
diff --git a/drivers/misc/iwmc3200top/main.c b/drivers/misc/iwmc3200top/main.c
new file mode 100644
index 00000000000..6e4e49113ab
--- /dev/null
+++ b/drivers/misc/iwmc3200top/main.c
@@ -0,0 +1,699 @@
+/*
+ * iwmc3200top - Intel Wireless MultiCom 3200 Top Driver
+ * drivers/misc/iwmc3200top/main.c
+ *
+ * Copyright (C) 2009 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * Author Name: Maxim Grabarnik <maxim.grabarnink@intel.com>
+ *  -
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/debugfs.h>
+#include <linux/mmc/sdio_ids.h>
+#include <linux/mmc/sdio_func.h>
+#include <linux/mmc/sdio.h>
+
+#include "iwmc3200top.h"
+#include "log.h"
+#include "fw-msg.h"
+#include "debugfs.h"
+
+
+#define DRIVER_DESCRIPTION "Intel(R) IWMC 3200 Top Driver"
+#define DRIVER_COPYRIGHT "Copyright (c) 2008 Intel Corporation."
+
+#define IWMCT_VERSION "0.1.62"
+
+#ifdef REPOSITORY_LABEL
+#define RL REPOSITORY_LABEL
+#else
+#define RL local
+#endif
+
+#ifdef CONFIG_IWMC3200TOP_DEBUG
+#define VD "-d"
+#else
+#define VD
+#endif
+
+#define DRIVER_VERSION IWMCT_VERSION "-"  __stringify(RL) VD
+
+MODULE_DESCRIPTION(DRIVER_DESCRIPTION);
+MODULE_VERSION(DRIVER_VERSION);
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR(DRIVER_COPYRIGHT);
+
+
+/* FIXME: These can be found in sdio_ids.h in newer kernels */
+#ifndef SDIO_INTEL_VENDOR_ID
+#define SDIO_INTEL_VENDOR_ID			0x0089
+#endif
+#ifndef SDIO_DEVICE_ID_INTEL_IWMC3200TOP
+#define SDIO_DEVICE_ID_INTEL_IWMC3200TOP	0x1404
+#endif
+
+/*
+ * This workers main task is to wait for OP_OPR_ALIVE
+ * from TOP FW until ALIVE_MSG_TIMOUT timeout is elapsed.
+ * When OP_OPR_ALIVE received it will issue
+ * a call to "bus_rescan_devices".
+ */
+static void iwmct_rescan_worker(struct work_struct *ws)
+{
+	struct iwmct_priv *priv;
+	int ret;
+
+	priv = container_of(ws, struct iwmct_priv, bus_rescan_worker);
+
+	LOG_INFO(priv, FW_MSG, "Calling bus_rescan\n");
+
+	ret = bus_rescan_devices(priv->func->dev.bus);
+	if (ret < 0)
+		LOG_INFO(priv, FW_DOWNLOAD, "bus_rescan_devices FAILED!!!\n");
+}
+
+static void op_top_message(struct iwmct_priv *priv, struct top_msg *msg)
+{
+	switch (msg->hdr.opcode) {
+	case OP_OPR_ALIVE:
+		LOG_INFO(priv, FW_MSG, "Got ALIVE from device, wake rescan\n");
+		queue_work(priv->bus_rescan_wq, &priv->bus_rescan_worker);
+		break;
+	default:
+		LOG_INFO(priv, FW_MSG, "Received msg opcode 0x%X\n",
+			msg->hdr.opcode);
+		break;
+	}
+}
+
+
+static void handle_top_message(struct iwmct_priv *priv, u8 *buf, int len)
+{
+	struct top_msg *msg;
+
+	msg = (struct top_msg *)buf;
+
+	if (msg->hdr.type != COMM_TYPE_D2H) {
+		LOG_ERROR(priv, FW_MSG,
+			"Message from TOP with invalid message type 0x%X\n",
+			msg->hdr.type);
+		return;
+	}
+
+	if (len < sizeof(msg->hdr)) {
+		LOG_ERROR(priv, FW_MSG,
+			"Message from TOP is too short for message header "
+			"received %d bytes, expected at least %zd bytes\n",
+			len, sizeof(msg->hdr));
+		return;
+	}
+
+	if (len < le16_to_cpu(msg->hdr.length) + sizeof(msg->hdr)) {
+		LOG_ERROR(priv, FW_MSG,
+			"Message length (%d bytes) is shorter than "
+			"in header (%d bytes)\n",
+			len, le16_to_cpu(msg->hdr.length));
+		return;
+	}
+
+	switch (msg->hdr.category) {
+	case COMM_CATEGORY_OPERATIONAL:
+		op_top_message(priv, (struct top_msg *)buf);
+		break;
+
+	case COMM_CATEGORY_DEBUG:
+	case COMM_CATEGORY_TESTABILITY:
+	case COMM_CATEGORY_DIAGNOSTICS:
+		iwmct_log_top_message(priv, buf, len);
+		break;
+
+	default:
+		LOG_ERROR(priv, FW_MSG,
+			"Message from TOP with unknown category 0x%X\n",
+			msg->hdr.category);
+		break;
+	}
+}
+
+int iwmct_send_hcmd(struct iwmct_priv *priv, u8 *cmd, u16 len)
+{
+	int ret;
+	u8 *buf;
+
+	LOG_INFOEX(priv, FW_MSG, "Sending hcmd:\n");
+
+	/* add padding to 256 for IWMC */
+	((struct top_msg *)cmd)->hdr.flags |= CMD_FLAG_PADDING_256;
+
+	LOG_HEXDUMP(FW_MSG, cmd, len);
+
+	if (len > FW_HCMD_BLOCK_SIZE) {
+		LOG_ERROR(priv, FW_MSG, "size %d exceeded hcmd max size %d\n",
+			  len, FW_HCMD_BLOCK_SIZE);
+		return -1;
+	}
+
+	buf = kzalloc(FW_HCMD_BLOCK_SIZE, GFP_KERNEL);
+	if (!buf) {
+		LOG_ERROR(priv, FW_MSG, "kzalloc error, buf size %d\n",
+			  FW_HCMD_BLOCK_SIZE);
+		return -1;
+	}
+
+	memcpy(buf, cmd, len);
+
+	sdio_claim_host(priv->func);
+	ret = sdio_memcpy_toio(priv->func, IWMC_SDIO_DATA_ADDR, buf,
+			       FW_HCMD_BLOCK_SIZE);
+	sdio_release_host(priv->func);
+
+	kfree(buf);
+	return ret;
+}
+
+int iwmct_tx(struct iwmct_priv *priv, unsigned int addr,
+	void *src, int count)
+{
+	int ret;
+
+	sdio_claim_host(priv->func);
+	ret = sdio_memcpy_toio(priv->func, addr, src, count);
+	sdio_release_host(priv->func);
+
+	return ret;
+}
+
+static void iwmct_irq_read_worker(struct work_struct *ws)
+{
+	struct iwmct_priv *priv;
+	struct iwmct_work_struct *read_req;
+	__le32 *buf = NULL;
+	int ret;
+	int iosize;
+	u32 barker;
+	bool is_barker;
+
+	priv = container_of(ws, struct iwmct_priv, isr_worker);
+
+	LOG_INFO(priv, IRQ, "enter iwmct_irq_read_worker %p\n", ws);
+
+	/* --------------------- Handshake with device -------------------- */
+	sdio_claim_host(priv->func);
+
+	/* all list manipulations have to be protected by
+	 * sdio_claim_host/sdio_release_host */
+	if (list_empty(&priv->read_req_list)) {
+		LOG_ERROR(priv, IRQ, "read_req_list empty in read worker\n");
+		goto exit_release;
+	}
+
+	read_req = list_entry(priv->read_req_list.next,
+			      struct iwmct_work_struct, list);
+
+	list_del(&read_req->list);
+	iosize = read_req->iosize;
+	kfree(read_req);
+
+	buf = kzalloc(iosize, GFP_KERNEL);
+	if (!buf) {
+		LOG_ERROR(priv, IRQ, "kzalloc error, buf size %d\n", iosize);
+		goto exit_release;
+	}
+
+	LOG_INFO(priv, IRQ, "iosize=%d, buf=%p, func=%d\n",
+				iosize, buf, priv->func->num);
+
+	/* read from device */
+	ret = sdio_memcpy_fromio(priv->func, buf, IWMC_SDIO_DATA_ADDR, iosize);
+	if (ret) {
+		LOG_ERROR(priv, IRQ, "error %d reading buffer\n", ret);
+		goto exit_release;
+	}
+
+	LOG_HEXDUMP(IRQ, (u8 *)buf, iosize);
+
+	barker = le32_to_cpu(buf[0]);
+
+	/* Verify whether it's a barker and if not - treat as regular Rx */
+	if (barker == IWMC_BARKER_ACK ||
+	    (barker & BARKER_DNLOAD_BARKER_MSK) == IWMC_BARKER_REBOOT) {
+
+		/* Valid Barker is equal on first 4 dwords */
+		is_barker = (buf[1] == buf[0]) &&
+			    (buf[2] == buf[0]) &&
+			    (buf[3] == buf[0]);
+
+		if (!is_barker) {
+			LOG_WARNING(priv, IRQ,
+				"Potentially inconsistent barker "
+				"%08X_%08X_%08X_%08X\n",
+				le32_to_cpu(buf[0]), le32_to_cpu(buf[1]),
+				le32_to_cpu(buf[2]), le32_to_cpu(buf[3]));
+		}
+	} else {
+		is_barker = false;
+	}
+
+	/* Handle Top CommHub message */
+	if (!is_barker) {
+		sdio_release_host(priv->func);
+		handle_top_message(priv, (u8 *)buf, iosize);
+		goto exit;
+	} else if (barker == IWMC_BARKER_ACK) { /* Handle barkers */
+		if (atomic_read(&priv->dev_sync) == 0) {
+			LOG_ERROR(priv, IRQ,
+				  "ACK barker arrived out-of-sync\n");
+			goto exit_release;
+		}
+
+		/* Continuing to FW download (after Sync is completed)*/
+		atomic_set(&priv->dev_sync, 0);
+		LOG_INFO(priv, IRQ, "ACK barker arrived "
+				"- starting FW download\n");
+	} else { /* REBOOT barker */
+		LOG_INFO(priv, IRQ, "Recieved reboot barker: %x\n", barker);
+		priv->barker = barker;
+
+		if (barker & BARKER_DNLOAD_SYNC_MSK) {
+			/* Send the same barker back */
+			ret = sdio_memcpy_toio(priv->func, IWMC_SDIO_DATA_ADDR,
+					       buf, iosize);
+			if (ret) {
+				LOG_ERROR(priv, IRQ,
+					 "error %d echoing barker\n", ret);
+				goto exit_release;
+			}
+			LOG_INFO(priv, IRQ, "Echoing barker to device\n");
+			atomic_set(&priv->dev_sync, 1);
+			goto exit_release;
+		}
+
+		/* Continuing to FW download (without Sync) */
+		LOG_INFO(priv, IRQ, "No sync requested "
+				    "- starting FW download\n");
+	}
+
+	sdio_release_host(priv->func);
+
+
+	LOG_INFO(priv, IRQ, "barker download request 0x%x is:\n", priv->barker);
+	LOG_INFO(priv, IRQ, "*******  Top FW %s requested ********\n",
+			(priv->barker & BARKER_DNLOAD_TOP_MSK) ? "was" : "not");
+	LOG_INFO(priv, IRQ, "*******  GPS FW %s requested ********\n",
+			(priv->barker & BARKER_DNLOAD_GPS_MSK) ? "was" : "not");
+	LOG_INFO(priv, IRQ, "*******  BT FW %s requested ********\n",
+			(priv->barker & BARKER_DNLOAD_BT_MSK) ? "was" : "not");
+
+	if (priv->dbg.fw_download)
+		iwmct_fw_load(priv);
+	else
+		LOG_ERROR(priv, IRQ, "FW download not allowed\n");
+
+	goto exit;
+
+exit_release:
+	sdio_release_host(priv->func);
+exit:
+	kfree(buf);
+	LOG_INFO(priv, IRQ, "exit iwmct_irq_read_worker\n");
+}
+
+static void iwmct_irq(struct sdio_func *func)
+{
+	struct iwmct_priv *priv;
+	int val, ret;
+	int iosize;
+	int addr = IWMC_SDIO_INTR_GET_SIZE_ADDR;
+	struct iwmct_work_struct *read_req;
+
+	priv = sdio_get_drvdata(func);
+
+	LOG_INFO(priv, IRQ, "enter iwmct_irq\n");
+
+	/* read the function's status register */
+	val = sdio_readb(func, IWMC_SDIO_INTR_STATUS_ADDR, &ret);
+
+	LOG_INFO(priv, IRQ, "iir value = %d, ret=%d\n", val, ret);
+
+	if (!val) {
+		LOG_ERROR(priv, IRQ, "iir = 0, exiting ISR\n");
+		goto exit_clear_intr;
+	}
+
+
+	/*
+	 * read 2 bytes of the transaction size
+	 * IMPORTANT: sdio transaction size has to be read before clearing
+	 * sdio interrupt!!!
+	 */
+	val = sdio_readb(priv->func, addr++, &ret);
+	iosize = val;
+	val = sdio_readb(priv->func, addr++, &ret);
+	iosize += val << 8;
+
+	LOG_INFO(priv, IRQ, "READ size %d\n", iosize);
+
+	if (iosize == 0) {
+		LOG_ERROR(priv, IRQ, "READ size %d, exiting ISR\n", iosize);
+		goto exit_clear_intr;
+	}
+
+	/* allocate a work structure to pass iosize to the worker */
+	read_req = kzalloc(sizeof(struct iwmct_work_struct), GFP_KERNEL);
+	if (!read_req) {
+		LOG_ERROR(priv, IRQ, "failed to allocate read_req, exit ISR\n");
+		goto exit_clear_intr;
+	}
+
+	INIT_LIST_HEAD(&read_req->list);
+	read_req->iosize = iosize;
+
+	list_add_tail(&priv->read_req_list, &read_req->list);
+
+	/* clear the function's interrupt request bit (write 1 to clear) */
+	sdio_writeb(func, 1, IWMC_SDIO_INTR_CLEAR_ADDR, &ret);
+
+	queue_work(priv->wq, &priv->isr_worker);
+
+	LOG_INFO(priv, IRQ, "exit iwmct_irq\n");
+
+	return;
+
+exit_clear_intr:
+	/* clear the function's interrupt request bit (write 1 to clear) */
+	sdio_writeb(func, 1, IWMC_SDIO_INTR_CLEAR_ADDR, &ret);
+}
+
+
+static int blocks;
+module_param(blocks, int, 0604);
+MODULE_PARM_DESC(blocks, "max_blocks_to_send");
+
+static int dump;
+module_param(dump, bool, 0604);
+MODULE_PARM_DESC(dump, "dump_hex_content");
+
+static int jump = 1;
+module_param(jump, bool, 0604);
+
+static int direct = 1;
+module_param(direct, bool, 0604);
+
+static int checksum = 1;
+module_param(checksum, bool, 0604);
+
+static int fw_download = 1;
+module_param(fw_download, bool, 0604);
+
+static int block_size = IWMC_SDIO_BLK_SIZE;
+module_param(block_size, int, 0404);
+
+static int download_trans_blks = IWMC_DEFAULT_TR_BLK;
+module_param(download_trans_blks, int, 0604);
+
+static int rubbish_barker;
+module_param(rubbish_barker, bool, 0604);
+
+#ifdef CONFIG_IWMC3200TOP_DEBUG
+static int log_level[LOG_SRC_MAX];
+static unsigned int log_level_argc;
+module_param_array(log_level, int, &log_level_argc, 0604);
+MODULE_PARM_DESC(log_level, "log_level");
+
+static int log_level_fw[FW_LOG_SRC_MAX];
+static unsigned int log_level_fw_argc;
+module_param_array(log_level_fw, int, &log_level_fw_argc, 0604);
+MODULE_PARM_DESC(log_level_fw, "log_level_fw");
+#endif
+
+void iwmct_dbg_init_params(struct iwmct_priv *priv)
+{
+#ifdef CONFIG_IWMC3200TOP_DEBUG
+	int i;
+
+	for (i = 0; i < log_level_argc; i++) {
+		dev_notice(&priv->func->dev, "log_level[%d]=0x%X\n",
+						i, log_level[i]);
+		iwmct_log_set_filter((log_level[i] >> 8) & 0xFF,
+			       log_level[i] & 0xFF);
+	}
+	for (i = 0; i < log_level_fw_argc; i++) {
+		dev_notice(&priv->func->dev, "log_level_fw[%d]=0x%X\n",
+						i, log_level_fw[i]);
+		iwmct_log_set_fw_filter((log_level_fw[i] >> 8) & 0xFF,
+				  log_level_fw[i] & 0xFF);
+	}
+#endif
+
+	priv->dbg.blocks = blocks;
+	LOG_INFO(priv, INIT, "blocks=%d\n", blocks);
+	priv->dbg.dump = (bool)dump;
+	LOG_INFO(priv, INIT, "dump=%d\n", dump);
+	priv->dbg.jump = (bool)jump;
+	LOG_INFO(priv, INIT, "jump=%d\n", jump);
+	priv->dbg.direct = (bool)direct;
+	LOG_INFO(priv, INIT, "direct=%d\n", direct);
+	priv->dbg.checksum = (bool)checksum;
+	LOG_INFO(priv, INIT, "checksum=%d\n", checksum);
+	priv->dbg.fw_download = (bool)fw_download;
+	LOG_INFO(priv, INIT, "fw_download=%d\n", fw_download);
+	priv->dbg.block_size = block_size;
+	LOG_INFO(priv, INIT, "block_size=%d\n", block_size);
+	priv->dbg.download_trans_blks = download_trans_blks;
+	LOG_INFO(priv, INIT, "download_trans_blks=%d\n", download_trans_blks);
+}
+
+/*****************************************************************************
+ *
+ * sysfs attributes
+ *
+ *****************************************************************************/
+static ssize_t show_iwmct_fw_version(struct device *d,
+				  struct device_attribute *attr, char *buf)
+{
+	struct iwmct_priv *priv = dev_get_drvdata(d);
+	return sprintf(buf, "%s\n", priv->dbg.label_fw);
+}
+static DEVICE_ATTR(cc_label_fw, S_IRUGO, show_iwmct_fw_version, NULL);
+
+#ifdef CONFIG_IWMC3200TOP_DEBUG
+static DEVICE_ATTR(log_level, S_IWUSR | S_IRUGO,
+		   show_iwmct_log_level, store_iwmct_log_level);
+static DEVICE_ATTR(log_level_fw, S_IWUSR | S_IRUGO,
+		   show_iwmct_log_level_fw, store_iwmct_log_level_fw);
+#endif
+
+static struct attribute *iwmct_sysfs_entries[] = {
+	&dev_attr_cc_label_fw.attr,
+#ifdef CONFIG_IWMC3200TOP_DEBUG
+	&dev_attr_log_level.attr,
+	&dev_attr_log_level_fw.attr,
+#endif
+	NULL
+};
+
+static struct attribute_group iwmct_attribute_group = {
+	.name = NULL,		/* put in device directory */
+	.attrs = iwmct_sysfs_entries,
+};
+
+
+static int iwmct_probe(struct sdio_func *func,
+			   const struct sdio_device_id *id)
+{
+	struct iwmct_priv *priv;
+	int ret;
+	int val = 1;
+	int addr = IWMC_SDIO_INTR_ENABLE_ADDR;
+
+	dev_dbg(&func->dev, "enter iwmct_probe\n");
+
+	dev_dbg(&func->dev, "IRQ polling period id %u msecs, HZ is %d\n",
+		jiffies_to_msecs(2147483647), HZ);
+
+	priv = kzalloc(sizeof(struct iwmct_priv), GFP_KERNEL);
+	if (!priv) {
+		dev_err(&func->dev, "kzalloc error\n");
+		return -ENOMEM;
+	}
+	priv->func = func;
+	sdio_set_drvdata(func, priv);
+
+
+	/* create drivers work queue */
+	priv->wq = create_workqueue(DRV_NAME "_wq");
+	priv->bus_rescan_wq = create_workqueue(DRV_NAME "_rescan_wq");
+	INIT_WORK(&priv->bus_rescan_worker, iwmct_rescan_worker);
+	INIT_WORK(&priv->isr_worker, iwmct_irq_read_worker);
+
+	init_waitqueue_head(&priv->wait_q);
+
+	sdio_claim_host(func);
+	/* FIXME: Remove after it is fixed in the Boot ROM upgrade */
+	func->enable_timeout = 10;
+
+	/* In our HW, setting the block size also wakes up the boot rom. */
+	ret = sdio_set_block_size(func, priv->dbg.block_size);
+	if (ret) {
+		LOG_ERROR(priv, INIT,
+			"sdio_set_block_size() failure: %d\n", ret);
+		goto error_sdio_enable;
+	}
+
+	ret = sdio_enable_func(func);
+	if (ret) {
+		LOG_ERROR(priv, INIT, "sdio_enable_func() failure: %d\n", ret);
+		goto error_sdio_enable;
+	}
+
+	/* init reset and dev_sync states */
+	atomic_set(&priv->reset, 0);
+	atomic_set(&priv->dev_sync, 0);
+
+	/* init read req queue */
+	INIT_LIST_HEAD(&priv->read_req_list);
+
+	/* process configurable parameters */
+	iwmct_dbg_init_params(priv);
+	ret = sysfs_create_group(&func->dev.kobj, &iwmct_attribute_group);
+	if (ret) {
+		LOG_ERROR(priv, INIT, "Failed to register attributes and "
+			 "initialize module_params\n");
+		goto error_dev_attrs;
+	}
+
+	iwmct_dbgfs_register(priv, DRV_NAME);
+
+	if (!priv->dbg.direct && priv->dbg.download_trans_blks > 8) {
+		LOG_INFO(priv, INIT,
+			 "Reducing transaction to 8 blocks = 2K (from %d)\n",
+			 priv->dbg.download_trans_blks);
+		priv->dbg.download_trans_blks = 8;
+	}
+	priv->trans_len = priv->dbg.download_trans_blks * priv->dbg.block_size;
+	LOG_INFO(priv, INIT, "Transaction length = %d\n", priv->trans_len);
+
+	ret = sdio_claim_irq(func, iwmct_irq);
+	if (ret) {
+		LOG_ERROR(priv, INIT, "sdio_claim_irq() failure: %d\n", ret);
+		goto error_claim_irq;
+	}
+
+
+	/* Enable function's interrupt */
+	sdio_writeb(priv->func, val, addr, &ret);
+	if (ret) {
+		LOG_ERROR(priv, INIT, "Failure writing to "
+			  "Interrupt Enable Register (%d): %d\n", addr, ret);
+		goto error_enable_int;
+	}
+
+	sdio_release_host(func);
+
+	LOG_INFO(priv, INIT, "exit iwmct_probe\n");
+
+	return ret;
+
+error_enable_int:
+	sdio_release_irq(func);
+error_claim_irq:
+	sdio_disable_func(func);
+error_dev_attrs:
+	iwmct_dbgfs_unregister(priv->dbgfs);
+	sysfs_remove_group(&func->dev.kobj, &iwmct_attribute_group);
+error_sdio_enable:
+	sdio_release_host(func);
+	return ret;
+}
+
+static void iwmct_remove(struct sdio_func *func)
+{
+	struct iwmct_work_struct *read_req;
+	struct iwmct_priv *priv = sdio_get_drvdata(func);
+
+	priv = sdio_get_drvdata(func);
+
+	LOG_INFO(priv, INIT, "enter\n");
+
+	sdio_claim_host(func);
+	sdio_release_irq(func);
+	sdio_release_host(func);
+
+	/* Safely destroy osc workqueue */
+	destroy_workqueue(priv->bus_rescan_wq);
+	destroy_workqueue(priv->wq);
+
+	sdio_claim_host(func);
+	sdio_disable_func(func);
+	sysfs_remove_group(&func->dev.kobj, &iwmct_attribute_group);
+	iwmct_dbgfs_unregister(priv->dbgfs);
+	sdio_release_host(func);
+
+	/* free read requests */
+	while (!list_empty(&priv->read_req_list)) {
+		read_req = list_entry(priv->read_req_list.next,
+			struct iwmct_work_struct, list);
+
+		list_del(&read_req->list);
+		kfree(read_req);
+	}
+
+	kfree(priv);
+}
+
+
+static const struct sdio_device_id iwmct_ids[] = {
+	{ SDIO_DEVICE(SDIO_INTEL_VENDOR_ID, SDIO_DEVICE_ID_INTEL_IWMC3200TOP)},
+	{ /* end: all zeroes */	},
+};
+
+MODULE_DEVICE_TABLE(sdio, iwmct_ids);
+
+static struct sdio_driver iwmct_driver = {
+	.probe		= iwmct_probe,
+	.remove		= iwmct_remove,
+	.name		= DRV_NAME,
+	.id_table	= iwmct_ids,
+};
+
+static int __init iwmct_init(void)
+{
+	int rc;
+
+	/* Default log filter settings */
+	iwmct_log_set_filter(LOG_SRC_ALL, LOG_SEV_FILTER_RUNTIME);
+	iwmct_log_set_filter(LOG_SRC_FW_MSG, LOG_SEV_FILTER_ALL);
+	iwmct_log_set_fw_filter(LOG_SRC_ALL, FW_LOG_SEV_FILTER_RUNTIME);
+
+	rc = sdio_register_driver(&iwmct_driver);
+
+	return rc;
+}
+
+static void __exit iwmct_exit(void)
+{
+	sdio_unregister_driver(&iwmct_driver);
+}
+
+module_init(iwmct_init);
+module_exit(iwmct_exit);
+
-- 
GitLab


From 439ca3a4b1997858a34ee414856511fe7a282553 Mon Sep 17 00:00:00 2001
From: Tomas Winkler <tomas.winkler@intel.com>
Date: Sat, 17 Oct 2009 09:09:35 +0000
Subject: [PATCH 0380/1815] iwmc3200wifi: select IWMC3200TOP in Kconfig

iwmc3200wifi requires iwmc3200top  for its operation

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Acked-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/wireless/iwmc3200wifi/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/iwmc3200wifi/Kconfig b/drivers/net/wireless/iwmc3200wifi/Kconfig
index c25a04371ca..9606b3100fd 100644
--- a/drivers/net/wireless/iwmc3200wifi/Kconfig
+++ b/drivers/net/wireless/iwmc3200wifi/Kconfig
@@ -3,6 +3,7 @@ config IWM
 	depends on MMC && WLAN_80211 && EXPERIMENTAL
 	depends on CFG80211
 	select FW_LOADER
+	select IWMC3200TOP
 	help
 	  The Intel Wireless Multicomm 3200 hardware is a combo
 	  card with GPS, Bluetooth, WiMax and 802.11 radios. It
-- 
GitLab


From ce5eb7a29251a66e613a300532b642ddc23b48d8 Mon Sep 17 00:00:00 2001
From: Tomas Winkler <tomas.winkler@intel.com>
Date: Sat, 17 Oct 2009 09:09:36 +0000
Subject: [PATCH 0381/1815] i2400m-sdio: select IWMC3200TOP in Kconfig

i2400m-sdio requires iwmc3200top for its operation

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Acked-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/wimax/i2400m/Kconfig | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/net/wimax/i2400m/Kconfig b/drivers/net/wimax/i2400m/Kconfig
index d623b3d99a4..3f703384295 100644
--- a/drivers/net/wimax/i2400m/Kconfig
+++ b/drivers/net/wimax/i2400m/Kconfig
@@ -31,6 +31,14 @@ config WIMAX_I2400M_SDIO
 
 	  If unsure, it is safe to select M (module).
 
+config WIMAX_IWMC3200_SDIO
+	bool "Intel Wireless Multicom WiMAX Connection 3200 over SDIO"
+	depends on WIMAX_I2400M_SDIO
+	select IWMC3200TOP
+	help
+	  Select if you have a device based on the Intel Multicom WiMAX
+          Connection 3200 over SDIO.
+
 config WIMAX_I2400M_DEBUG_LEVEL
 	int "WiMAX i2400m debug level"
 	depends on WIMAX_I2400M
-- 
GitLab


From 0eae750e6019a93643063924209c1daf9cb9b4a7 Mon Sep 17 00:00:00 2001
From: John Dykstra <john.dykstra1@gmail.com>
Date: Mon, 19 Oct 2009 21:53:53 -0700
Subject: [PATCH 0382/1815] IP: Cleanups

Use symbols instead of magic constants while checking PMTU discovery
setsockopt.

Remove redundant test in ip_rt_frag_needed() (done by caller).

Signed-off-by: John Dykstra <john.dykstra1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/ip_sockglue.c   | 2 +-
 net/ipv4/route.c         | 3 ---
 net/ipv6/ipv6_sockglue.c | 2 +-
 3 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index c602d985fe1..2445fedec0b 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -575,7 +575,7 @@ static int do_ip_setsockopt(struct sock *sk, int level,
 		inet->hdrincl = val ? 1 : 0;
 		break;
 	case IP_MTU_DISCOVER:
-		if (val < 0 || val > 3)
+		if (val < IP_PMTUDISC_DONT || val > IP_PMTUDISC_PROBE)
 			goto e_inval;
 		inet->pmtudisc = val;
 		break;
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index bb419925202..68fb2270205 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1628,9 +1628,6 @@ unsigned short ip_rt_frag_needed(struct net *net, struct iphdr *iph,
 	__be32  daddr = iph->daddr;
 	unsigned short est_mtu = 0;
 
-	if (ipv4_config.no_pmtu_disc)
-		return 0;
-
 	for (k = 0; k < 2; k++) {
 		for (i = 0; i < 2; i++) {
 			unsigned hash = rt_hash(daddr, skeys[i], ikeys[k],
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 39e10ac8801..68566de4bcc 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -662,7 +662,7 @@ done:
 	case IPV6_MTU_DISCOVER:
 		if (optlen < sizeof(int))
 			goto e_inval;
-		if (val<0 || val>3)
+		if (val < IP_PMTUDISC_DONT || val > IP_PMTUDISC_PROBE)
 			goto e_inval;
 		np->pmtudisc = val;
 		retv = 0;
-- 
GitLab


From 7b6856a0296a8f187bb88ba31fa83a08abba7966 Mon Sep 17 00:00:00 2001
From: Wolfgang Grandegger <wg@grandegger.com>
Date: Tue, 20 Oct 2009 00:08:01 -0700
Subject: [PATCH 0383/1815] can: provide library functions for skb allocation

This patch makes the private functions alloc_can_skb() and
alloc_can_err_skb() of the at91_can driver public and adapts all
drivers to use these. While making the patch I realized, that
the skb's are *not* setup consistently. It's now done as shown
below:

  skb->protocol = htons(ETH_P_CAN);
  skb->pkt_type = PACKET_BROADCAST;
  skb->ip_summed = CHECKSUM_UNNECESSARY;
  *cf = (struct can_frame *)skb_put(skb, sizeof(struct can_frame));
  memset(*cf, 0, sizeof(struct can_frame));

The frame is zeroed out to avoid uninitialized data to be passed to
user space. Some drivers or library code did not set "pkt_type" or
"ip_summed". Also,  "__constant_htons()" should not be used for
runtime invocations, as pointed out by David Miller.

Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/can/at91_can.c        | 32 -----------------------
 drivers/net/can/dev.c             | 42 +++++++++++++++++++++++++------
 drivers/net/can/sja1000/sja1000.c | 12 ++-------
 drivers/net/can/ti_hecc.c         | 17 +++----------
 drivers/net/can/usb/ems_usb.c     | 16 ++----------
 include/linux/can/dev.h           |  4 +++
 6 files changed, 47 insertions(+), 76 deletions(-)

diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c
index b13fd911413..cbe3fce53e3 100644
--- a/drivers/net/can/at91_can.c
+++ b/drivers/net/can/at91_can.c
@@ -221,38 +221,6 @@ static inline void set_mb_mode(const struct at91_priv *priv, unsigned int mb,
 	set_mb_mode_prio(priv, mb, mode, 0);
 }
 
-static struct sk_buff *alloc_can_skb(struct net_device *dev,
-		struct can_frame **cf)
-{
-	struct sk_buff *skb;
-
-	skb = netdev_alloc_skb(dev, sizeof(struct can_frame));
-	if (unlikely(!skb))
-		return NULL;
-
-	skb->protocol = htons(ETH_P_CAN);
-	skb->ip_summed = CHECKSUM_UNNECESSARY;
-	*cf = (struct can_frame *)skb_put(skb, sizeof(struct can_frame));
-
-	return skb;
-}
-
-static struct sk_buff *alloc_can_err_skb(struct net_device *dev,
-		struct can_frame **cf)
-{
-	struct sk_buff *skb;
-
-	skb = alloc_can_skb(dev, cf);
-	if (unlikely(!skb))
-		return NULL;
-
-	memset(*cf, 0, sizeof(struct can_frame));
-	(*cf)->can_id = CAN_ERR_FLAG;
-	(*cf)->can_dlc = CAN_ERR_DLC;
-
-	return skb;
-}
-
 /*
  * Swtich transceiver on or off
  */
diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index 39b99f57c26..c3db111d2ff 100644
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -366,17 +366,12 @@ void can_restart(unsigned long data)
 	can_flush_echo_skb(dev);
 
 	/* send restart message upstream */
-	skb = dev_alloc_skb(sizeof(struct can_frame));
+	skb = alloc_can_err_skb(dev, &cf);
 	if (skb == NULL) {
 		err = -ENOMEM;
 		goto restart;
 	}
-	skb->dev = dev;
-	skb->protocol = htons(ETH_P_CAN);
-	cf = (struct can_frame *)skb_put(skb, sizeof(struct can_frame));
-	memset(cf, 0, sizeof(struct can_frame));
-	cf->can_id = CAN_ERR_FLAG | CAN_ERR_RESTARTED;
-	cf->can_dlc = CAN_ERR_DLC;
+	cf->can_id |= CAN_ERR_RESTARTED;
 
 	netif_rx(skb);
 
@@ -449,6 +444,39 @@ static void can_setup(struct net_device *dev)
 	dev->features = NETIF_F_NO_CSUM;
 }
 
+struct sk_buff *alloc_can_skb(struct net_device *dev, struct can_frame **cf)
+{
+	struct sk_buff *skb;
+
+	skb = netdev_alloc_skb(dev, sizeof(struct can_frame));
+	if (unlikely(!skb))
+		return NULL;
+
+	skb->protocol = htons(ETH_P_CAN);
+	skb->pkt_type = PACKET_BROADCAST;
+	skb->ip_summed = CHECKSUM_UNNECESSARY;
+	*cf = (struct can_frame *)skb_put(skb, sizeof(struct can_frame));
+	memset(*cf, 0, sizeof(struct can_frame));
+
+	return skb;
+}
+EXPORT_SYMBOL_GPL(alloc_can_skb);
+
+struct sk_buff *alloc_can_err_skb(struct net_device *dev, struct can_frame **cf)
+{
+	struct sk_buff *skb;
+
+	skb = alloc_can_skb(dev, cf);
+	if (unlikely(!skb))
+		return NULL;
+
+	(*cf)->can_id = CAN_ERR_FLAG;
+	(*cf)->can_dlc = CAN_ERR_DLC;
+
+	return skb;
+}
+EXPORT_SYMBOL_GPL(alloc_can_err_skb);
+
 /*
  * Allocate and setup space for the CAN network device
  */
diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c
index 96d8be4253f..1a9c5958bbd 100644
--- a/drivers/net/can/sja1000/sja1000.c
+++ b/drivers/net/can/sja1000/sja1000.c
@@ -296,11 +296,9 @@ static void sja1000_rx(struct net_device *dev)
 	uint8_t dlc;
 	int i;
 
-	skb = dev_alloc_skb(sizeof(struct can_frame));
+	skb = alloc_can_skb(dev, &cf);
 	if (skb == NULL)
 		return;
-	skb->dev = dev;
-	skb->protocol = htons(ETH_P_CAN);
 
 	fi = priv->read_reg(priv, REG_FI);
 	dlc = fi & 0x0F;
@@ -351,15 +349,9 @@ static int sja1000_err(struct net_device *dev, uint8_t isrc, uint8_t status)
 	enum can_state state = priv->can.state;
 	uint8_t ecc, alc;
 
-	skb = dev_alloc_skb(sizeof(struct can_frame));
+	skb = alloc_can_err_skb(dev, &cf);
 	if (skb == NULL)
 		return -ENOMEM;
-	skb->dev = dev;
-	skb->protocol = htons(ETH_P_CAN);
-	cf = (struct can_frame *)skb_put(skb, sizeof(struct can_frame));
-	memset(cf, 0, sizeof(struct can_frame));
-	cf->can_id = CAN_ERR_FLAG;
-	cf->can_dlc = CAN_ERR_DLC;
 
 	if (isrc & IRQ_DOI) {
 		/* data overrun interrupt */
diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c
index 23a7128e4eb..07e8016b17e 100644
--- a/drivers/net/can/ti_hecc.c
+++ b/drivers/net/can/ti_hecc.c
@@ -535,18 +535,15 @@ static int ti_hecc_rx_pkt(struct ti_hecc_priv *priv, int mbxno)
 	u32 data, mbx_mask;
 	unsigned long flags;
 
-	skb = netdev_alloc_skb(priv->ndev, sizeof(struct can_frame));
+	skb = alloc_can_skb(priv->ndev, &cf);
 	if (!skb) {
 		if (printk_ratelimit())
 			dev_err(priv->ndev->dev.parent,
-				"ti_hecc_rx_pkt: netdev_alloc_skb() failed\n");
+				"ti_hecc_rx_pkt: alloc_can_skb() failed\n");
 		return -ENOMEM;
 	}
-	skb->protocol = __constant_htons(ETH_P_CAN);
-	skb->ip_summed = CHECKSUM_UNNECESSARY;
 
 	mbx_mask = BIT(mbxno);
-	cf = (struct can_frame *)skb_put(skb, sizeof(struct can_frame));
 	data = hecc_read_mbx(priv, mbxno, HECC_CANMID);
 	if (data & HECC_CANMID_IDE)
 		cf->can_id = (data & CAN_EFF_MASK) | CAN_EFF_FLAG;
@@ -656,19 +653,13 @@ static int ti_hecc_error(struct net_device *ndev, int int_status,
 	struct sk_buff *skb;
 
 	/* propogate the error condition to the can stack */
-	skb = netdev_alloc_skb(ndev, sizeof(struct can_frame));
+	skb = alloc_can_err_skb(ndev, &cf);
 	if (!skb) {
 		if (printk_ratelimit())
 			dev_err(priv->ndev->dev.parent,
-				"ti_hecc_error: netdev_alloc_skb() failed\n");
+				"ti_hecc_error: alloc_can_err_skb() failed\n");
 		return -ENOMEM;
 	}
-	skb->protocol = __constant_htons(ETH_P_CAN);
-	skb->ip_summed = CHECKSUM_UNNECESSARY;
-	cf = (struct can_frame *)skb_put(skb, sizeof(struct can_frame));
-	memset(cf, 0, sizeof(struct can_frame));
-	cf->can_id = CAN_ERR_FLAG;
-	cf->can_dlc = CAN_ERR_DLC;
 
 	if (int_status & HECC_CANGIF_WLIF) { /* warning level int */
 		if ((int_status & HECC_CANGIF_BOIF) == 0) {
diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c
index a65f56a9cd3..3685f3e42d1 100644
--- a/drivers/net/can/usb/ems_usb.c
+++ b/drivers/net/can/usb/ems_usb.c
@@ -311,14 +311,10 @@ static void ems_usb_rx_can_msg(struct ems_usb *dev, struct ems_cpc_msg *msg)
 	int i;
 	struct net_device_stats *stats = &dev->netdev->stats;
 
-	skb = netdev_alloc_skb(dev->netdev, sizeof(struct can_frame));
+	skb = alloc_can_skb(dev->netdev, &cf);
 	if (skb == NULL)
 		return;
 
-	skb->protocol = htons(ETH_P_CAN);
-
-	cf = (struct can_frame *)skb_put(skb, sizeof(struct can_frame));
-
 	cf->can_id = msg->msg.can_msg.id;
 	cf->can_dlc = min_t(u8, msg->msg.can_msg.length, 8);
 
@@ -346,18 +342,10 @@ static void ems_usb_rx_err(struct ems_usb *dev, struct ems_cpc_msg *msg)
 	struct sk_buff *skb;
 	struct net_device_stats *stats = &dev->netdev->stats;
 
-	skb = netdev_alloc_skb(dev->netdev, sizeof(struct can_frame));
+	skb = alloc_can_err_skb(dev->netdev, &cf);
 	if (skb == NULL)
 		return;
 
-	skb->protocol = htons(ETH_P_CAN);
-
-	cf = (struct can_frame *)skb_put(skb, sizeof(struct can_frame));
-	memset(cf, 0, sizeof(struct can_frame));
-
-	cf->can_id = CAN_ERR_FLAG;
-	cf->can_dlc = CAN_ERR_DLC;
-
 	if (msg->type == CPC_MSG_TYPE_CAN_STATE) {
 		u8 state = msg->msg.can_state;
 
diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h
index 1d3f7f00e3a..1ed2a5cc03f 100644
--- a/include/linux/can/dev.h
+++ b/include/linux/can/dev.h
@@ -68,4 +68,8 @@ void can_put_echo_skb(struct sk_buff *skb, struct net_device *dev,
 void can_get_echo_skb(struct net_device *dev, unsigned int idx);
 void can_free_echo_skb(struct net_device *dev, unsigned int idx);
 
+struct sk_buff *alloc_can_skb(struct net_device *dev, struct can_frame **cf);
+struct sk_buff *alloc_can_err_skb(struct net_device *dev,
+				  struct can_frame **cf);
+
 #endif /* CAN_DEV_H */
-- 
GitLab


From 94b059520d6c0cea852dc9a3e9033c6f123df7c1 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 16 Oct 2009 04:02:20 +0000
Subject: [PATCH 0384/1815] af_packet: Avoid cache line dirtying

While doing multiple captures, I found af_packet was dirtying cache line
containing its prot_hook.

This slow down machines where several cpus are necessary to handle capture
traffic, as each prot_hook is traversed for each packet coming in or out
the host.

This patches moves "struct packet_type prot_hook" to the end of
packet_sock, and uses a ____cacheline_aligned_in_smp to make sure
this remains shared by all cpus.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/packet/af_packet.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index bf3a2954cd4..dac775e0bc7 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -188,7 +188,6 @@ struct packet_sock {
 	struct packet_ring_buffer	tx_ring;
 	int			copy_thresh;
 #endif
-	struct packet_type	prot_hook;
 	spinlock_t		bind_lock;
 	struct mutex		pg_vec_lock;
 	unsigned int		running:1,	/* prot_hook is attached*/
@@ -204,6 +203,7 @@ struct packet_sock {
 	unsigned int		tp_reserve;
 	unsigned int		tp_loss:1;
 #endif
+	struct packet_type	prot_hook ____cacheline_aligned_in_smp;
 };
 
 struct packet_skb_cb {
-- 
GitLab


From ad959e76f0fa94d299a8c25cb45de4d1b845e9ce Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 16 Oct 2009 06:38:46 +0000
Subject: [PATCH 0385/1815] af_packet: mc_drop/flush_mclist changes

We hold RTNL, we can use __dev_get_by_index() instead of dev_get_by_index()

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/packet/af_packet.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index dac775e0bc7..ff752c60641 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1664,11 +1664,9 @@ static int packet_mc_drop(struct sock *sk, struct packet_mreq_max *mreq)
 			if (--ml->count == 0) {
 				struct net_device *dev;
 				*mlp = ml->next;
-				dev = dev_get_by_index(sock_net(sk), ml->ifindex);
-				if (dev) {
+				dev = __dev_get_by_index(sock_net(sk), ml->ifindex);
+				if (dev)
 					packet_dev_mc(dev, ml, -1);
-					dev_put(dev);
-				}
 				kfree(ml);
 			}
 			rtnl_unlock();
@@ -1692,11 +1690,9 @@ static void packet_flush_mclist(struct sock *sk)
 		struct net_device *dev;
 
 		po->mclist = ml->next;
-		dev = dev_get_by_index(sock_net(sk), ml->ifindex);
-		if (dev != NULL) {
+		dev = __dev_get_by_index(sock_net(sk), ml->ifindex);
+		if (dev != NULL)
 			packet_dev_mc(dev, ml, -1);
-			dev_put(dev);
-		}
 		kfree(ml);
 	}
 	rtnl_unlock();
-- 
GitLab


From d19742fb1c68e6db83b76e06dea5a374c99e104f Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 20 Oct 2009 01:06:22 -0700
Subject: [PATCH 0386/1815] filter: Add SKF_AD_QUEUE instruction

It can help being able to filter packets on their queue_mapping.

If filter performance is not good, we could add a "numqueue" field
in struct packet_type, so that netif_nit_deliver() and other functions
can directly ignore packets with not expected queue number.

Lets experiment this simple filter extension first.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/filter.h | 3 ++-
 net/core/filter.c      | 3 +++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/include/linux/filter.h b/include/linux/filter.h
index 909193e2539..bb3b4352978 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -124,7 +124,8 @@ struct sock_fprog	/* Required for SO_ATTACH_FILTER. */
 #define SKF_AD_NLATTR	12
 #define SKF_AD_NLATTR_NEST	16
 #define SKF_AD_MARK 	20
-#define SKF_AD_MAX	24
+#define SKF_AD_QUEUE	24
+#define SKF_AD_MAX	28
 #define SKF_NET_OFF   (-0x100000)
 #define SKF_LL_OFF    (-0x200000)
 
diff --git a/net/core/filter.c b/net/core/filter.c
index e3987e1d483..08db7b9143a 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -306,6 +306,9 @@ load_b:
 		case SKF_AD_MARK:
 			A = skb->mark;
 			continue;
+		case SKF_AD_QUEUE:
+			A = skb->queue_mapping;
+			continue;
 		case SKF_AD_NLATTR: {
 			struct nlattr *nla;
 
-- 
GitLab


From 748879776e3b738d53e64df6dbec7394b829462a Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Date: Tue, 20 Oct 2009 01:09:17 -0700
Subject: [PATCH 0387/1815] net: Avoid compiler warning for mmsghdr when
 CONFIG_COMPAT is not selected

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/compat.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/include/net/compat.h b/include/net/compat.h
index 9679f05e989..3c7d4e38fa1 100644
--- a/include/net/compat.h
+++ b/include/net/compat.h
@@ -33,7 +33,11 @@ extern int compat_sock_get_timestamp(struct sock *, struct timeval __user *);
 extern int compat_sock_get_timestampns(struct sock *, struct timespec __user *);
 
 #else /* defined(CONFIG_COMPAT) */
-#define compat_msghdr	msghdr		/* to avoid compiler warnings */
+/*
+ * To avoid compiler warnings:
+ */
+#define compat_msghdr	msghdr
+#define compat_mmsghdr	mmsghdr
 #endif /* defined(CONFIG_COMPAT) */
 
 extern int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *);
-- 
GitLab


From e022f0b4a03f4fff9323b509df023b8af635716e Mon Sep 17 00:00:00 2001
From: Krishna Kumar <krkumar2@in.ibm.com>
Date: Mon, 19 Oct 2009 23:46:20 +0000
Subject: [PATCH 0388/1815] net: Introduce sk_tx_queue_mapping

Introduce sk_tx_queue_mapping; and functions that set, test and
get this value. Reset sk_tx_queue_mapping to -1 whenever the dst
cache is set/reset, and in socket alloc. Setting txq to -1 and
using valid txq=<0 to n-1> allows the tx path to use the value
of sk_tx_queue_mapping directly instead of subtracting 1 on every
tx.

Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/sock.h | 26 ++++++++++++++++++++++++++
 net/core/sock.c    |  5 ++++-
 2 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/include/net/sock.h b/include/net/sock.h
index 1364428f53f..55de3bd719a 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -107,6 +107,7 @@ struct net;
  *	@skc_node: main hash linkage for various protocol lookup tables
  *	@skc_nulls_node: main hash linkage for UDP/UDP-Lite protocol
  *	@skc_refcnt: reference count
+ *	@skc_tx_queue_mapping: tx queue number for this connection
  *	@skc_hash: hash value used with various protocol lookup tables
  *	@skc_family: network address family
  *	@skc_state: Connection state
@@ -128,6 +129,7 @@ struct sock_common {
 		struct hlist_nulls_node skc_nulls_node;
 	};
 	atomic_t		skc_refcnt;
+	int			skc_tx_queue_mapping;
 
 	unsigned int		skc_hash;
 	unsigned short		skc_family;
@@ -215,6 +217,7 @@ struct sock {
 #define sk_node			__sk_common.skc_node
 #define sk_nulls_node		__sk_common.skc_nulls_node
 #define sk_refcnt		__sk_common.skc_refcnt
+#define sk_tx_queue_mapping	__sk_common.skc_tx_queue_mapping
 
 #define sk_copy_start		__sk_common.skc_hash
 #define sk_hash			__sk_common.skc_hash
@@ -1094,8 +1097,29 @@ static inline void sock_put(struct sock *sk)
 extern int sk_receive_skb(struct sock *sk, struct sk_buff *skb,
 			  const int nested);
 
+static inline void sk_tx_queue_set(struct sock *sk, int tx_queue)
+{
+	sk->sk_tx_queue_mapping = tx_queue;
+}
+
+static inline void sk_tx_queue_clear(struct sock *sk)
+{
+	sk->sk_tx_queue_mapping = -1;
+}
+
+static inline int sk_tx_queue_get(const struct sock *sk)
+{
+	return sk->sk_tx_queue_mapping;
+}
+
+static inline bool sk_tx_queue_recorded(const struct sock *sk)
+{
+	return (sk && sk->sk_tx_queue_mapping >= 0);
+}
+
 static inline void sk_set_socket(struct sock *sk, struct socket *sock)
 {
+	sk_tx_queue_clear(sk);
 	sk->sk_socket = sock;
 }
 
@@ -1152,6 +1176,7 @@ __sk_dst_set(struct sock *sk, struct dst_entry *dst)
 {
 	struct dst_entry *old_dst;
 
+	sk_tx_queue_clear(sk);
 	old_dst = sk->sk_dst_cache;
 	sk->sk_dst_cache = dst;
 	dst_release(old_dst);
@@ -1170,6 +1195,7 @@ __sk_dst_reset(struct sock *sk)
 {
 	struct dst_entry *old_dst;
 
+	sk_tx_queue_clear(sk);
 	old_dst = sk->sk_dst_cache;
 	sk->sk_dst_cache = NULL;
 	dst_release(old_dst);
diff --git a/net/core/sock.c b/net/core/sock.c
index 38713aa3faf..934d9673f08 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -357,6 +357,7 @@ struct dst_entry *__sk_dst_check(struct sock *sk, u32 cookie)
 	struct dst_entry *dst = sk->sk_dst_cache;
 
 	if (dst && dst->obsolete && dst->ops->check(dst, cookie) == NULL) {
+		sk_tx_queue_clear(sk);
 		sk->sk_dst_cache = NULL;
 		dst_release(dst);
 		return NULL;
@@ -953,7 +954,8 @@ static void sock_copy(struct sock *nsk, const struct sock *osk)
 	void *sptr = nsk->sk_security;
 #endif
 	BUILD_BUG_ON(offsetof(struct sock, sk_copy_start) !=
-		     sizeof(osk->sk_node) + sizeof(osk->sk_refcnt));
+		     sizeof(osk->sk_node) + sizeof(osk->sk_refcnt) +
+		     sizeof(osk->sk_tx_queue_mapping));
 	memcpy(&nsk->sk_copy_start, &osk->sk_copy_start,
 	       osk->sk_prot->obj_size - offsetof(struct sock, sk_copy_start));
 #ifdef CONFIG_SECURITY_NETWORK
@@ -997,6 +999,7 @@ static struct sock *sk_prot_alloc(struct proto *prot, gfp_t priority,
 
 		if (!try_module_get(prot->owner))
 			goto out_free_sec;
+		sk_tx_queue_clear(sk);
 	}
 
 	return sk;
-- 
GitLab


From f04c8276248d3dd3e15a9a72f9711ba5e4069049 Mon Sep 17 00:00:00 2001
From: Krishna Kumar <krkumar2@in.ibm.com>
Date: Mon, 19 Oct 2009 23:46:32 +0000
Subject: [PATCH 0389/1815] net: IPv6 changes

IPv6: Reset sk_tx_queue_mapping when dst_cache is reset. Use existing
macro to do the work.

Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/inet6_connection_sock.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c
index 19dceef4fcc..3516e6fe2e5 100644
--- a/net/ipv6/inet6_connection_sock.c
+++ b/net/ipv6/inet6_connection_sock.c
@@ -168,8 +168,7 @@ struct dst_entry *__inet6_csk_dst_check(struct sock *sk, u32 cookie)
 	if (dst) {
 		struct rt6_info *rt = (struct rt6_info *)dst;
 		if (rt->rt6i_flow_cache_genid != atomic_read(&flow_cache_genid)) {
-			sk->sk_dst_cache = NULL;
-			dst_release(dst);
+			__sk_dst_reset(sk);
 			dst = NULL;
 		}
 	}
-- 
GitLab


From ea94ff3b55188df157a8740bdf3976a87563d705 Mon Sep 17 00:00:00 2001
From: Krishna Kumar <krkumar2@in.ibm.com>
Date: Mon, 19 Oct 2009 23:46:45 +0000
Subject: [PATCH 0390/1815] net: Fix for dst_negative_advice

dst_negative_advice() should check for changed dst and reset
sk_tx_queue_mapping accordingly. Pass sock to the callers of
dst_negative_advice.

(sk_reset_txq is defined just for use by dst_negative_advice. The
only way I could find to get around this is to move dst_negative_()
from dst.h to dst.c, include sock.h in dst.c, etc)

Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/dst.h      | 12 ++++++++++--
 net/core/sock.c        |  6 ++++++
 net/dccp/timer.c       |  4 ++--
 net/decnet/af_decnet.c |  2 +-
 net/ipv4/tcp_timer.c   |  4 ++--
 5 files changed, 21 insertions(+), 7 deletions(-)

diff --git a/include/net/dst.h b/include/net/dst.h
index 5a900ddcf10..720d90653a8 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -222,11 +222,19 @@ static inline void dst_confirm(struct dst_entry *dst)
 		neigh_confirm(dst->neighbour);
 }
 
-static inline void dst_negative_advice(struct dst_entry **dst_p)
+static inline void dst_negative_advice(struct dst_entry **dst_p,
+				       struct sock *sk)
 {
 	struct dst_entry * dst = *dst_p;
-	if (dst && dst->ops->negative_advice)
+	if (dst && dst->ops->negative_advice) {
 		*dst_p = dst->ops->negative_advice(dst);
+
+		if (dst != *dst_p) {
+			extern void sk_reset_txq(struct sock *sk);
+
+			sk_reset_txq(sk);
+		}
+	}
 }
 
 static inline void dst_link_failure(struct sk_buff *skb)
diff --git a/net/core/sock.c b/net/core/sock.c
index 934d9673f08..5a51512f638 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -352,6 +352,12 @@ discard_and_relse:
 }
 EXPORT_SYMBOL(sk_receive_skb);
 
+void sk_reset_txq(struct sock *sk)
+{
+	sk_tx_queue_clear(sk);
+}
+EXPORT_SYMBOL(sk_reset_txq);
+
 struct dst_entry *__sk_dst_check(struct sock *sk, u32 cookie)
 {
 	struct dst_entry *dst = sk->sk_dst_cache;
diff --git a/net/dccp/timer.c b/net/dccp/timer.c
index 162d1e683c3..bbfeb5eae46 100644
--- a/net/dccp/timer.c
+++ b/net/dccp/timer.c
@@ -38,7 +38,7 @@ static int dccp_write_timeout(struct sock *sk)
 
 	if (sk->sk_state == DCCP_REQUESTING || sk->sk_state == DCCP_PARTOPEN) {
 		if (icsk->icsk_retransmits != 0)
-			dst_negative_advice(&sk->sk_dst_cache);
+			dst_negative_advice(&sk->sk_dst_cache, sk);
 		retry_until = icsk->icsk_syn_retries ?
 			    : sysctl_dccp_request_retries;
 	} else {
@@ -63,7 +63,7 @@ static int dccp_write_timeout(struct sock *sk)
 			   Golden words :-).
 		   */
 
-			dst_negative_advice(&sk->sk_dst_cache);
+			dst_negative_advice(&sk->sk_dst_cache, sk);
 		}
 
 		retry_until = sysctl_dccp_retries2;
diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index 4d3060660a1..664965c87e1 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -1955,7 +1955,7 @@ static int dn_sendmsg(struct kiocb *iocb, struct socket *sock,
 	}
 
 	if ((flags & MSG_TRYHARD) && sk->sk_dst_cache)
-		dst_negative_advice(&sk->sk_dst_cache);
+		dst_negative_advice(&sk->sk_dst_cache, sk);
 
 	mss = scp->segsize_rem;
 	fctype = scp->services_rem & NSP_FC_MASK;
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index 6e8996cb79d..8353a538cd4 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -141,14 +141,14 @@ static int tcp_write_timeout(struct sock *sk)
 
 	if ((1 << sk->sk_state) & (TCPF_SYN_SENT | TCPF_SYN_RECV)) {
 		if (icsk->icsk_retransmits)
-			dst_negative_advice(&sk->sk_dst_cache);
+			dst_negative_advice(&sk->sk_dst_cache, sk);
 		retry_until = icsk->icsk_syn_retries ? : sysctl_tcp_syn_retries;
 	} else {
 		if (retransmits_timed_out(sk, sysctl_tcp_retries1)) {
 			/* Black hole detection */
 			tcp_mtu_probing(icsk, sk);
 
-			dst_negative_advice(&sk->sk_dst_cache);
+			dst_negative_advice(&sk->sk_dst_cache, sk);
 		}
 
 		retry_until = sysctl_tcp_retries2;
-- 
GitLab


From a4ee3ce3293dc931fab19beb472a8bde1295aebe Mon Sep 17 00:00:00 2001
From: Krishna Kumar <krkumar2@in.ibm.com>
Date: Mon, 19 Oct 2009 23:50:07 +0000
Subject: [PATCH 0391/1815] net: Use sk_tx_queue_mapping for connected sockets

For connected sockets, the first run of dev_pick_tx saves the
calculated txq in sk_tx_queue_mapping. This is not saved if
either the device has a queue select or the socket is not
connected. Next iterations of dev_pick_tx uses the cached value
of sk_tx_queue_mapping.

Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/dev.c | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/net/core/dev.c b/net/core/dev.c
index 28b0b9e992a..fa88dcd476d 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1791,13 +1791,25 @@ EXPORT_SYMBOL(skb_tx_hash);
 static struct netdev_queue *dev_pick_tx(struct net_device *dev,
 					struct sk_buff *skb)
 {
-	const struct net_device_ops *ops = dev->netdev_ops;
-	u16 queue_index = 0;
+	u16 queue_index;
+	struct sock *sk = skb->sk;
+
+	if (sk_tx_queue_recorded(sk)) {
+		queue_index = sk_tx_queue_get(sk);
+	} else {
+		const struct net_device_ops *ops = dev->netdev_ops;
 
-	if (ops->ndo_select_queue)
-		queue_index = ops->ndo_select_queue(dev, skb);
-	else if (dev->real_num_tx_queues > 1)
-		queue_index = skb_tx_hash(dev, skb);
+		if (ops->ndo_select_queue) {
+			queue_index = ops->ndo_select_queue(dev, skb);
+		} else {
+			queue_index = 0;
+			if (dev->real_num_tx_queues > 1)
+				queue_index = skb_tx_hash(dev, skb);
+
+			if (sk && sk->sk_dst_cache)
+				sk_tx_queue_set(sk, queue_index);
+		}
+	}
 
 	skb_set_queue_mapping(skb, queue_index);
 	return netdev_get_tx_queue(dev, queue_index);
-- 
GitLab


From 1d30df24ec85477368e6e38fe1b4d1b67b3be9d4 Mon Sep 17 00:00:00 2001
From: Ron Mercer <ron.mercer@qlogic.com>
Date: Wed, 21 Oct 2009 11:07:38 +0000
Subject: [PATCH 0392/1815] qlge: Add ethtool get/set pause parameter.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/qlge/qlge.h         |  2 ++
 drivers/net/qlge/qlge_ethtool.c | 33 +++++++++++++++++++++++++++++++++
 drivers/net/qlge/qlge_mpi.c     |  4 ++--
 3 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h
index bc7a2e43c62..6118f50b00a 100644
--- a/drivers/net/qlge/qlge.h
+++ b/drivers/net/qlge/qlge.h
@@ -1645,6 +1645,8 @@ int ql_mb_about_fw(struct ql_adapter *qdev);
 void ql_link_on(struct ql_adapter *qdev);
 void ql_link_off(struct ql_adapter *qdev);
 int ql_mb_set_mgmnt_traffic_ctl(struct ql_adapter *qdev, u32 control);
+int ql_mb_get_port_cfg(struct ql_adapter *qdev);
+int ql_mb_set_port_cfg(struct ql_adapter *qdev);
 int ql_wait_fifo_empty(struct ql_adapter *qdev);
 
 #if 1
diff --git a/drivers/net/qlge/qlge_ethtool.c b/drivers/net/qlge/qlge_ethtool.c
index aac6c6f19a2..dfb5c800cea 100644
--- a/drivers/net/qlge/qlge_ethtool.c
+++ b/drivers/net/qlge/qlge_ethtool.c
@@ -424,6 +424,37 @@ static int ql_set_coalesce(struct net_device *ndev, struct ethtool_coalesce *c)
 	return ql_update_ring_coalescing(qdev);
 }
 
+static void ql_get_pauseparam(struct net_device *netdev,
+			struct ethtool_pauseparam *pause)
+{
+	struct ql_adapter *qdev = netdev_priv(netdev);
+
+	ql_mb_get_port_cfg(qdev);
+	if (qdev->link_config & CFG_PAUSE_STD) {
+		pause->rx_pause = 1;
+		pause->tx_pause = 1;
+	}
+}
+
+static int ql_set_pauseparam(struct net_device *netdev,
+			struct ethtool_pauseparam *pause)
+{
+	struct ql_adapter *qdev = netdev_priv(netdev);
+	int status = 0;
+
+	if ((pause->rx_pause) && (pause->tx_pause))
+		qdev->link_config |= CFG_PAUSE_STD;
+	else if (!pause->rx_pause && !pause->tx_pause)
+		qdev->link_config &= ~CFG_PAUSE_STD;
+	else
+		return -EINVAL;
+
+	status = ql_mb_set_port_cfg(qdev);
+	if (status)
+		return status;
+	return status;
+}
+
 static u32 ql_get_rx_csum(struct net_device *netdev)
 {
 	struct ql_adapter *qdev = netdev_priv(netdev);
@@ -468,6 +499,8 @@ const struct ethtool_ops qlge_ethtool_ops = {
 	.get_msglevel = ql_get_msglevel,
 	.set_msglevel = ql_set_msglevel,
 	.get_link = ethtool_op_get_link,
+	.get_pauseparam		 = ql_get_pauseparam,
+	.set_pauseparam		 = ql_set_pauseparam,
 	.get_rx_csum = ql_get_rx_csum,
 	.set_rx_csum = ql_set_rx_csum,
 	.get_tx_csum = ethtool_op_get_tx_csum,
diff --git a/drivers/net/qlge/qlge_mpi.c b/drivers/net/qlge/qlge_mpi.c
index e497eac5eb4..81a8489fe21 100644
--- a/drivers/net/qlge/qlge_mpi.c
+++ b/drivers/net/qlge/qlge_mpi.c
@@ -637,7 +637,7 @@ int ql_mb_idc_ack(struct ql_adapter *qdev)
  * for the current port.
  * Most likely will block.
  */
-static int ql_mb_set_port_cfg(struct ql_adapter *qdev)
+int ql_mb_set_port_cfg(struct ql_adapter *qdev)
 {
 	struct mbox_params mbc;
 	struct mbox_params *mbcp = &mbc;
@@ -672,7 +672,7 @@ static int ql_mb_set_port_cfg(struct ql_adapter *qdev)
  * for the current port.
  * Most likely will block.
  */
-static int ql_mb_get_port_cfg(struct ql_adapter *qdev)
+int ql_mb_get_port_cfg(struct ql_adapter *qdev)
 {
 	struct mbox_params mbc;
 	struct mbox_params *mbcp = &mbc;
-- 
GitLab


From d8eb59dc8b9e77bb4fa5420ff80142759ad5cd7b Mon Sep 17 00:00:00 2001
From: Ron Mercer <ron.mercer@qlogic.com>
Date: Wed, 21 Oct 2009 11:07:39 +0000
Subject: [PATCH 0393/1815] qlge: Add ethtool blink function.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/qlge/qlge.h         |  6 ++++
 drivers/net/qlge/qlge_ethtool.c | 28 +++++++++++++++++
 drivers/net/qlge/qlge_mpi.c     | 55 +++++++++++++++++++++++++++++++++
 3 files changed, 89 insertions(+)

diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h
index 6118f50b00a..a5bb3a53653 100644
--- a/drivers/net/qlge/qlge.h
+++ b/drivers/net/qlge/qlge.h
@@ -805,6 +805,9 @@ enum {
 	MB_CMD_SET_PORT_CFG = 0x00000122,
 	MB_CMD_GET_PORT_CFG = 0x00000123,
 	MB_CMD_GET_LINK_STS = 0x00000124,
+	MB_CMD_SET_LED_CFG = 0x00000125, /* Set LED Configuration Register */
+		QL_LED_BLINK = 0x03e803e8,
+	MB_CMD_GET_LED_CFG = 0x00000126, /* Get LED Configuration Register */
 	MB_CMD_SET_MGMNT_TFK_CTL = 0x00000160, /* Set Mgmnt Traffic Control */
 	MB_SET_MPI_TFK_STOP = (1 << 0),
 	MB_SET_MPI_TFK_RESUME = (1 << 1),
@@ -1551,6 +1554,7 @@ struct ql_adapter {
 	u32 port_init;
 	u32 link_status;
 	u32 link_config;
+	u32 led_config;
 	u32 max_frame_size;
 
 	union flash_params flash;
@@ -1642,6 +1646,8 @@ int ql_mb_get_fw_state(struct ql_adapter *qdev);
 int ql_cam_route_initialize(struct ql_adapter *qdev);
 int ql_read_mpi_reg(struct ql_adapter *qdev, u32 reg, u32 *data);
 int ql_mb_about_fw(struct ql_adapter *qdev);
+int ql_mb_set_led_cfg(struct ql_adapter *qdev, u32 led_config);
+int ql_mb_get_led_cfg(struct ql_adapter *qdev);
 void ql_link_on(struct ql_adapter *qdev);
 void ql_link_off(struct ql_adapter *qdev);
 int ql_mb_set_mgmnt_traffic_ctl(struct ql_adapter *qdev, u32 control);
diff --git a/drivers/net/qlge/qlge_ethtool.c b/drivers/net/qlge/qlge_ethtool.c
index dfb5c800cea..0c0549bc7bd 100644
--- a/drivers/net/qlge/qlge_ethtool.c
+++ b/drivers/net/qlge/qlge_ethtool.c
@@ -371,6 +371,33 @@ static void ql_get_drvinfo(struct net_device *ndev,
 	drvinfo->eedump_len = 0;
 }
 
+
+static int ql_phys_id(struct net_device *ndev, u32 data)
+{
+	struct ql_adapter *qdev = netdev_priv(ndev);
+	u32 led_reg, i;
+	int status;
+
+	/* Save the current LED settings */
+	status = ql_mb_get_led_cfg(qdev);
+	if (status)
+		return status;
+	led_reg = qdev->led_config;
+
+	/* Start blinking the led */
+	if (!data || data > 300)
+		data = 300;
+
+	for (i = 0; i < (data * 10); i++)
+		ql_mb_set_led_cfg(qdev, QL_LED_BLINK);
+
+	/* Restore LED settings */
+	status = ql_mb_set_led_cfg(qdev, led_reg);
+	if (status)
+		return status;
+
+	return 0;
+}
 static int ql_get_coalesce(struct net_device *dev, struct ethtool_coalesce *c)
 {
 	struct ql_adapter *qdev = netdev_priv(dev);
@@ -499,6 +526,7 @@ const struct ethtool_ops qlge_ethtool_ops = {
 	.get_msglevel = ql_get_msglevel,
 	.set_msglevel = ql_set_msglevel,
 	.get_link = ethtool_op_get_link,
+	.phys_id		 = ql_phys_id,
 	.get_pauseparam		 = ql_get_pauseparam,
 	.set_pauseparam		 = ql_set_pauseparam,
 	.get_rx_csum = ql_get_rx_csum,
diff --git a/drivers/net/qlge/qlge_mpi.c b/drivers/net/qlge/qlge_mpi.c
index 81a8489fe21..14d76f13d1d 100644
--- a/drivers/net/qlge/qlge_mpi.c
+++ b/drivers/net/qlge/qlge_mpi.c
@@ -751,6 +751,61 @@ static int ql_idc_wait(struct ql_adapter *qdev)
 	return status;
 }
 
+int ql_mb_set_led_cfg(struct ql_adapter *qdev, u32 led_config)
+{
+	struct mbox_params mbc;
+	struct mbox_params *mbcp = &mbc;
+	int status;
+
+	memset(mbcp, 0, sizeof(struct mbox_params));
+
+	mbcp->in_count = 2;
+	mbcp->out_count = 1;
+
+	mbcp->mbox_in[0] = MB_CMD_SET_LED_CFG;
+	mbcp->mbox_in[1] = led_config;
+
+
+	status = ql_mailbox_command(qdev, mbcp);
+	if (status)
+		return status;
+
+	if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) {
+		QPRINTK(qdev, DRV, ERR,
+			"Failed to set LED Configuration.\n");
+		status = -EIO;
+	}
+
+	return status;
+}
+
+int ql_mb_get_led_cfg(struct ql_adapter *qdev)
+{
+	struct mbox_params mbc;
+	struct mbox_params *mbcp = &mbc;
+	int status;
+
+	memset(mbcp, 0, sizeof(struct mbox_params));
+
+	mbcp->in_count = 1;
+	mbcp->out_count = 2;
+
+	mbcp->mbox_in[0] = MB_CMD_GET_LED_CFG;
+
+	status = ql_mailbox_command(qdev, mbcp);
+	if (status)
+		return status;
+
+	if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) {
+		QPRINTK(qdev, DRV, ERR,
+			"Failed to get LED Configuration.\n");
+		status = -EIO;
+	} else
+		qdev->led_config = mbcp->mbox_out[1];
+
+	return status;
+}
+
 int ql_mb_set_mgmnt_traffic_ctl(struct ql_adapter *qdev, u32 control)
 {
 	struct mbox_params mbc;
-- 
GitLab


From bc083ce98eeb42205e99495481c8616d30916f6e Mon Sep 17 00:00:00 2001
From: Ron Mercer <ron.mercer@qlogic.com>
Date: Wed, 21 Oct 2009 11:07:40 +0000
Subject: [PATCH 0394/1815] qlge: Add ethtool wake on LAN function.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/qlge/qlge.h         |  4 ++
 drivers/net/qlge/qlge_ethtool.c | 32 +++++++++++++++
 drivers/net/qlge/qlge_main.c    | 66 +++++++++++++++++++++++++++++++
 drivers/net/qlge/qlge_mpi.c     | 70 +++++++++++++++++++++++++++++++++
 4 files changed, 172 insertions(+)

diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h
index a5bb3a53653..ba297769920 100644
--- a/drivers/net/qlge/qlge.h
+++ b/drivers/net/qlge/qlge.h
@@ -796,6 +796,7 @@ enum {
 	MB_WOL_BCAST = (1 << 5),
 	MB_WOL_LINK_UP = (1 << 6),
 	MB_WOL_LINK_DOWN = (1 << 7),
+	MB_WOL_MODE_ON = (1 << 16),		/* Wake on Lan Mode on */
 	MB_CMD_SET_WOL_FLTR = 0x00000111,	/* Wake On Lan Filter */
 	MB_CMD_CLEAR_WOL_FLTR = 0x00000112, /* Wake On Lan Filter */
 	MB_CMD_SET_WOL_MAGIC = 0x00000113,	/* Wake On Lan Magic Packet */
@@ -1646,6 +1647,9 @@ int ql_mb_get_fw_state(struct ql_adapter *qdev);
 int ql_cam_route_initialize(struct ql_adapter *qdev);
 int ql_read_mpi_reg(struct ql_adapter *qdev, u32 reg, u32 *data);
 int ql_mb_about_fw(struct ql_adapter *qdev);
+int ql_wol(struct ql_adapter *qdev);
+int ql_mb_wol_set_magic(struct ql_adapter *qdev, u32 enable_wol);
+int ql_mb_wol_mode(struct ql_adapter *qdev, u32 wol);
 int ql_mb_set_led_cfg(struct ql_adapter *qdev, u32 led_config);
 int ql_mb_get_led_cfg(struct ql_adapter *qdev);
 void ql_link_on(struct ql_adapter *qdev);
diff --git a/drivers/net/qlge/qlge_ethtool.c b/drivers/net/qlge/qlge_ethtool.c
index 0c0549bc7bd..019f35fb10c 100644
--- a/drivers/net/qlge/qlge_ethtool.c
+++ b/drivers/net/qlge/qlge_ethtool.c
@@ -371,6 +371,36 @@ static void ql_get_drvinfo(struct net_device *ndev,
 	drvinfo->eedump_len = 0;
 }
 
+static void ql_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
+{
+	struct ql_adapter *qdev = netdev_priv(ndev);
+	/* What we support. */
+	wol->supported = WAKE_MAGIC;
+	/* What we've currently got set. */
+	wol->wolopts = qdev->wol;
+}
+
+static int ql_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
+{
+	struct ql_adapter *qdev = netdev_priv(ndev);
+	int status;
+
+	if (wol->wolopts & ~WAKE_MAGIC)
+		return -EINVAL;
+	qdev->wol = wol->wolopts;
+
+	QPRINTK(qdev, DRV, INFO, "Set wol option 0x%x on %s\n",
+			 qdev->wol, ndev->name);
+	if (!qdev->wol) {
+		u32 wol = 0;
+		status = ql_mb_wol_mode(qdev, wol);
+		QPRINTK(qdev, DRV, ERR, "WOL %s (wol code 0x%x) on %s\n",
+			(status == 0) ? "cleared sucessfully" : "clear failed",
+			wol, qdev->ndev->name);
+	}
+
+	return 0;
+}
 
 static int ql_phys_id(struct net_device *ndev, u32 data)
 {
@@ -523,6 +553,8 @@ static void ql_set_msglevel(struct net_device *ndev, u32 value)
 const struct ethtool_ops qlge_ethtool_ops = {
 	.get_settings = ql_get_settings,
 	.get_drvinfo = ql_get_drvinfo,
+	.get_wol = ql_get_wol,
+	.set_wol = ql_set_wol,
 	.get_msglevel = ql_get_msglevel,
 	.set_msglevel = ql_set_msglevel,
 	.get_link = ethtool_op_get_link,
diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 34242fbcadf..dd0ea027755 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -3335,6 +3335,22 @@ static int ql_adapter_initialize(struct ql_adapter *qdev)
 	 * the same MAC address.
 	 */
 	ql_write32(qdev, RST_FO, RST_FO_RR_MASK | RST_FO_RR_RCV_FUNC_CQ);
+	/* Reroute all packets to our Interface.
+	 * They may have been routed to MPI firmware
+	 * due to WOL.
+	 */
+	value = ql_read32(qdev, MGMT_RCV_CFG);
+	value &= ~MGMT_RCV_CFG_RM;
+	mask = 0xffff0000;
+
+	/* Sticky reg needs clearing due to WOL. */
+	ql_write32(qdev, MGMT_RCV_CFG, mask);
+	ql_write32(qdev, MGMT_RCV_CFG, mask | value);
+
+	/* Default WOL is enable on Mezz cards */
+	if (qdev->pdev->subsystem_device == 0x0068 ||
+			qdev->pdev->subsystem_device == 0x0180)
+		qdev->wol = WAKE_MAGIC;
 
 	/* Start up the rx queues. */
 	for (i = 0; i < qdev->rx_ring_count; i++) {
@@ -3449,6 +3465,55 @@ static void ql_display_dev_info(struct net_device *ndev)
 	QPRINTK(qdev, PROBE, INFO, "MAC address %pM\n", ndev->dev_addr);
 }
 
+int ql_wol(struct ql_adapter *qdev)
+{
+	int status = 0;
+	u32 wol = MB_WOL_DISABLE;
+
+	/* The CAM is still intact after a reset, but if we
+	 * are doing WOL, then we may need to program the
+	 * routing regs. We would also need to issue the mailbox
+	 * commands to instruct the MPI what to do per the ethtool
+	 * settings.
+	 */
+
+	if (qdev->wol & (WAKE_ARP | WAKE_MAGICSECURE | WAKE_PHY | WAKE_UCAST |
+			WAKE_MCAST | WAKE_BCAST)) {
+		QPRINTK(qdev, IFDOWN, ERR,
+			"Unsupported WOL paramter. qdev->wol = 0x%x.\n",
+			qdev->wol);
+		return -EINVAL;
+	}
+
+	if (qdev->wol & WAKE_MAGIC) {
+		status = ql_mb_wol_set_magic(qdev, 1);
+		if (status) {
+			QPRINTK(qdev, IFDOWN, ERR,
+				"Failed to set magic packet on %s.\n",
+				qdev->ndev->name);
+			return status;
+		} else
+			QPRINTK(qdev, DRV, INFO,
+				"Enabled magic packet successfully on %s.\n",
+				qdev->ndev->name);
+
+		wol |= MB_WOL_MAGIC_PKT;
+	}
+
+	if (qdev->wol) {
+		/* Reroute all packets to Management Interface */
+		ql_write32(qdev, MGMT_RCV_CFG, (MGMT_RCV_CFG_RM |
+			(MGMT_RCV_CFG_RM << 16)));
+		wol |= MB_WOL_MODE_ON;
+		status = ql_mb_wol_mode(qdev, wol);
+		QPRINTK(qdev, DRV, ERR, "WOL %s (wol code 0x%x) on %s\n",
+			(status == 0) ? "Sucessfully set" : "Failed", wol,
+			qdev->ndev->name);
+	}
+
+	return status;
+}
+
 static int ql_adapter_down(struct ql_adapter *qdev)
 {
 	int i, status = 0;
@@ -4285,6 +4350,7 @@ static int qlge_suspend(struct pci_dev *pdev, pm_message_t state)
 			return err;
 	}
 
+	ql_wol(qdev);
 	err = pci_save_state(pdev);
 	if (err)
 		return err;
diff --git a/drivers/net/qlge/qlge_mpi.c b/drivers/net/qlge/qlge_mpi.c
index 14d76f13d1d..80b68539c5a 100644
--- a/drivers/net/qlge/qlge_mpi.c
+++ b/drivers/net/qlge/qlge_mpi.c
@@ -702,6 +702,76 @@ int ql_mb_get_port_cfg(struct ql_adapter *qdev)
 	return status;
 }
 
+int ql_mb_wol_mode(struct ql_adapter *qdev, u32 wol)
+{
+	struct mbox_params mbc;
+	struct mbox_params *mbcp = &mbc;
+	int status;
+
+	memset(mbcp, 0, sizeof(struct mbox_params));
+
+	mbcp->in_count = 2;
+	mbcp->out_count = 1;
+
+	mbcp->mbox_in[0] = MB_CMD_SET_WOL_MODE;
+	mbcp->mbox_in[1] = wol;
+
+
+	status = ql_mailbox_command(qdev, mbcp);
+	if (status)
+		return status;
+
+	if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) {
+		QPRINTK(qdev, DRV, ERR,
+			"Failed to set WOL mode.\n");
+		status = -EIO;
+	}
+	return status;
+}
+
+int ql_mb_wol_set_magic(struct ql_adapter *qdev, u32 enable_wol)
+{
+	struct mbox_params mbc;
+	struct mbox_params *mbcp = &mbc;
+	int status;
+	u8 *addr = qdev->ndev->dev_addr;
+
+	memset(mbcp, 0, sizeof(struct mbox_params));
+
+	mbcp->in_count = 8;
+	mbcp->out_count = 1;
+
+	mbcp->mbox_in[0] = MB_CMD_SET_WOL_MAGIC;
+	if (enable_wol) {
+		mbcp->mbox_in[1] = (u32)addr[0];
+		mbcp->mbox_in[2] = (u32)addr[1];
+		mbcp->mbox_in[3] = (u32)addr[2];
+		mbcp->mbox_in[4] = (u32)addr[3];
+		mbcp->mbox_in[5] = (u32)addr[4];
+		mbcp->mbox_in[6] = (u32)addr[5];
+		mbcp->mbox_in[7] = 0;
+	} else {
+		mbcp->mbox_in[1] = 0;
+		mbcp->mbox_in[2] = 1;
+		mbcp->mbox_in[3] = 1;
+		mbcp->mbox_in[4] = 1;
+		mbcp->mbox_in[5] = 1;
+		mbcp->mbox_in[6] = 1;
+		mbcp->mbox_in[7] = 0;
+	}
+
+	status = ql_mailbox_command(qdev, mbcp);
+	if (status)
+		return status;
+
+	if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) {
+		QPRINTK(qdev, DRV, ERR,
+			"Failed to set WOL mode.\n");
+		status = -EIO;
+	}
+	return status;
+}
+
 /* IDC - Inter Device Communication...
  * Some firmware commands require consent of adjacent FCOE
  * function.  This function waits for the OK, or a
-- 
GitLab


From a61f80261306ad11d9c8a453307a56417cfeae03 Mon Sep 17 00:00:00 2001
From: Ron Mercer <ron.mercer@qlogic.com>
Date: Wed, 21 Oct 2009 11:07:41 +0000
Subject: [PATCH 0395/1815] qlge: Add ethtool register dump function.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/qlge/qlge.h         | 149 ++++++++++++++++++++++++++
 drivers/net/qlge/qlge_dbg.c     | 180 ++++++++++++++++++++++++++++++++
 drivers/net/qlge/qlge_ethtool.c |  16 +++
 3 files changed, 345 insertions(+)

diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h
index ba297769920..4b954e13c00 100644
--- a/drivers/net/qlge/qlge.h
+++ b/drivers/net/qlge/qlge.h
@@ -1400,6 +1400,153 @@ struct nic_stats {
 	u64 rx_nic_fifo_drop;
 };
 
+/* Address/Length pairs for the coredump. */
+enum {
+	MPI_CORE_REGS_ADDR = 0x00030000,
+	MPI_CORE_REGS_CNT = 127,
+	MPI_CORE_SH_REGS_CNT = 16,
+	TEST_REGS_ADDR = 0x00001000,
+	TEST_REGS_CNT = 23,
+	RMII_REGS_ADDR = 0x00001040,
+	RMII_REGS_CNT = 64,
+	FCMAC1_REGS_ADDR = 0x00001080,
+	FCMAC2_REGS_ADDR = 0x000010c0,
+	FCMAC_REGS_CNT = 64,
+	FC1_MBX_REGS_ADDR = 0x00001100,
+	FC2_MBX_REGS_ADDR = 0x00001240,
+	FC_MBX_REGS_CNT = 64,
+	IDE_REGS_ADDR = 0x00001140,
+	IDE_REGS_CNT = 64,
+	NIC1_MBX_REGS_ADDR = 0x00001180,
+	NIC2_MBX_REGS_ADDR = 0x00001280,
+	NIC_MBX_REGS_CNT = 64,
+	SMBUS_REGS_ADDR = 0x00001200,
+	SMBUS_REGS_CNT = 64,
+	I2C_REGS_ADDR = 0x00001fc0,
+	I2C_REGS_CNT = 64,
+	MEMC_REGS_ADDR = 0x00003000,
+	MEMC_REGS_CNT = 256,
+	PBUS_REGS_ADDR = 0x00007c00,
+	PBUS_REGS_CNT = 256,
+	MDE_REGS_ADDR = 0x00010000,
+	MDE_REGS_CNT = 6,
+	CODE_RAM_ADDR = 0x00020000,
+	CODE_RAM_CNT = 0x2000,
+	MEMC_RAM_ADDR = 0x00100000,
+	MEMC_RAM_CNT = 0x2000,
+};
+
+#define MPI_COREDUMP_COOKIE 0x5555aaaa
+struct mpi_coredump_global_header {
+	u32	cookie;
+	u8	idString[16];
+	u32	timeLo;
+	u32	timeHi;
+	u32	imageSize;
+	u32	headerSize;
+	u8	info[220];
+};
+
+struct mpi_coredump_segment_header {
+	u32	cookie;
+	u32	segNum;
+	u32	segSize;
+	u32	extra;
+	u8	description[16];
+};
+
+/* Reg dump segment numbers. */
+enum {
+	CORE_SEG_NUM = 1,
+	TEST_LOGIC_SEG_NUM = 2,
+	RMII_SEG_NUM = 3,
+	FCMAC1_SEG_NUM = 4,
+	FCMAC2_SEG_NUM = 5,
+	FC1_MBOX_SEG_NUM = 6,
+	IDE_SEG_NUM = 7,
+	NIC1_MBOX_SEG_NUM = 8,
+	SMBUS_SEG_NUM = 9,
+	FC2_MBOX_SEG_NUM = 10,
+	NIC2_MBOX_SEG_NUM = 11,
+	I2C_SEG_NUM = 12,
+	MEMC_SEG_NUM = 13,
+	PBUS_SEG_NUM = 14,
+	MDE_SEG_NUM = 15,
+	NIC1_CONTROL_SEG_NUM = 16,
+	NIC2_CONTROL_SEG_NUM = 17,
+	NIC1_XGMAC_SEG_NUM = 18,
+	NIC2_XGMAC_SEG_NUM = 19,
+	WCS_RAM_SEG_NUM = 20,
+	MEMC_RAM_SEG_NUM = 21,
+	XAUI_AN_SEG_NUM = 22,
+	XAUI_HSS_PCS_SEG_NUM = 23,
+	XFI_AN_SEG_NUM = 24,
+	XFI_TRAIN_SEG_NUM = 25,
+	XFI_HSS_PCS_SEG_NUM = 26,
+	XFI_HSS_TX_SEG_NUM = 27,
+	XFI_HSS_RX_SEG_NUM = 28,
+	XFI_HSS_PLL_SEG_NUM = 29,
+	MISC_NIC_INFO_SEG_NUM = 30,
+	INTR_STATES_SEG_NUM = 31,
+	CAM_ENTRIES_SEG_NUM = 32,
+	ROUTING_WORDS_SEG_NUM = 33,
+	ETS_SEG_NUM = 34,
+	PROBE_DUMP_SEG_NUM = 35,
+	ROUTING_INDEX_SEG_NUM = 36,
+	MAC_PROTOCOL_SEG_NUM = 37,
+	XAUI2_AN_SEG_NUM = 38,
+	XAUI2_HSS_PCS_SEG_NUM = 39,
+	XFI2_AN_SEG_NUM = 40,
+	XFI2_TRAIN_SEG_NUM = 41,
+	XFI2_HSS_PCS_SEG_NUM = 42,
+	XFI2_HSS_TX_SEG_NUM = 43,
+	XFI2_HSS_RX_SEG_NUM = 44,
+	XFI2_HSS_PLL_SEG_NUM = 45,
+	SEM_REGS_SEG_NUM = 50
+
+};
+
+struct ql_nic_misc {
+	u32 rx_ring_count;
+	u32 tx_ring_count;
+	u32 intr_count;
+	u32 function;
+};
+
+struct ql_reg_dump {
+
+	/* segment 0 */
+	struct mpi_coredump_global_header mpi_global_header;
+
+	/* segment 16 */
+	struct mpi_coredump_segment_header nic_regs_seg_hdr;
+	u32 nic_regs[64];
+
+	/* segment 30 */
+	struct mpi_coredump_segment_header misc_nic_seg_hdr;
+	struct ql_nic_misc misc_nic_info;
+
+	/* segment 31 */
+	/* one interrupt state for each CQ */
+	struct mpi_coredump_segment_header intr_states_seg_hdr;
+	u32 intr_states[MAX_CPUS];
+
+	/* segment 32 */
+	/* 3 cam words each for 16 unicast,
+	 * 2 cam words for each of 32 multicast.
+	 */
+	struct mpi_coredump_segment_header cam_entries_seg_hdr;
+	u32 cam_entries[(16 * 3) + (32 * 3)];
+
+	/* segment 33 */
+	struct mpi_coredump_segment_header nic_routing_words_seg_hdr;
+	u32 nic_routing_words[16];
+
+	/* segment 34 */
+	struct mpi_coredump_segment_header ets_seg_hdr;
+	u32 ets[8+2];
+};
+
 /*
  * intr_context structure is used during initialization
  * to hook the interrupts.  It is also used in a single
@@ -1658,6 +1805,8 @@ int ql_mb_set_mgmnt_traffic_ctl(struct ql_adapter *qdev, u32 control);
 int ql_mb_get_port_cfg(struct ql_adapter *qdev);
 int ql_mb_set_port_cfg(struct ql_adapter *qdev);
 int ql_wait_fifo_empty(struct ql_adapter *qdev);
+void ql_gen_reg_dump(struct ql_adapter *qdev,
+			struct ql_reg_dump *mpi_coredump);
 
 #if 1
 #define QL_ALL_DUMP
diff --git a/drivers/net/qlge/qlge_dbg.c b/drivers/net/qlge/qlge_dbg.c
index aa88cb3f41c..9f58c471076 100644
--- a/drivers/net/qlge/qlge_dbg.c
+++ b/drivers/net/qlge/qlge_dbg.c
@@ -1,5 +1,185 @@
 #include "qlge.h"
 
+
+static int ql_get_ets_regs(struct ql_adapter *qdev, u32 * buf)
+{
+	int status = 0;
+	int i;
+
+	for (i = 0; i < 8; i++, buf++) {
+		ql_write32(qdev, NIC_ETS, i << 29 | 0x08000000);
+		*buf = ql_read32(qdev, NIC_ETS);
+	}
+
+	for (i = 0; i < 2; i++, buf++) {
+		ql_write32(qdev, CNA_ETS, i << 29 | 0x08000000);
+		*buf = ql_read32(qdev, CNA_ETS);
+	}
+
+	return status;
+}
+
+static void ql_get_intr_states(struct ql_adapter *qdev, u32 * buf)
+{
+	int i;
+
+	for (i = 0; i < qdev->rx_ring_count; i++, buf++) {
+		ql_write32(qdev, INTR_EN,
+				qdev->intr_context[i].intr_read_mask);
+		*buf = ql_read32(qdev, INTR_EN);
+	}
+}
+
+static int ql_get_cam_entries(struct ql_adapter *qdev, u32 * buf)
+{
+	int i, status;
+	u32 value[3];
+
+	status = ql_sem_spinlock(qdev, SEM_MAC_ADDR_MASK);
+	if (status)
+		return status;
+
+	for (i = 0; i < 16; i++) {
+		status = ql_get_mac_addr_reg(qdev,
+					MAC_ADDR_TYPE_CAM_MAC, i, value);
+		if (status) {
+			QPRINTK(qdev, DRV, ERR,
+				"Failed read of mac index register.\n");
+			goto err;
+		}
+		*buf++ = value[0];	/* lower MAC address */
+		*buf++ = value[1];	/* upper MAC address */
+		*buf++ = value[2];	/* output */
+	}
+	for (i = 0; i < 32; i++) {
+		status = ql_get_mac_addr_reg(qdev,
+					MAC_ADDR_TYPE_MULTI_MAC, i, value);
+		if (status) {
+			QPRINTK(qdev, DRV, ERR,
+				"Failed read of mac index register.\n");
+			goto err;
+		}
+		*buf++ = value[0];	/* lower Mcast address */
+		*buf++ = value[1];	/* upper Mcast address */
+	}
+err:
+	ql_sem_unlock(qdev, SEM_MAC_ADDR_MASK);
+	return status;
+}
+
+static int ql_get_routing_entries(struct ql_adapter *qdev, u32 * buf)
+{
+	int status;
+	u32 value, i;
+
+	status = ql_sem_spinlock(qdev, SEM_RT_IDX_MASK);
+	if (status)
+		return status;
+
+	for (i = 0; i < 16; i++) {
+		status = ql_get_routing_reg(qdev, i, &value);
+		if (status) {
+			QPRINTK(qdev, DRV, ERR,
+				"Failed read of routing index register.\n");
+			goto err;
+		} else {
+			*buf++ = value;
+		}
+	}
+err:
+	ql_sem_unlock(qdev, SEM_RT_IDX_MASK);
+	return status;
+}
+
+/* Create a coredump segment header */
+static void ql_build_coredump_seg_header(
+		struct mpi_coredump_segment_header *seg_hdr,
+		u32 seg_number, u32 seg_size, u8 *desc)
+{
+	memset(seg_hdr, 0, sizeof(struct mpi_coredump_segment_header));
+	seg_hdr->cookie = MPI_COREDUMP_COOKIE;
+	seg_hdr->segNum = seg_number;
+	seg_hdr->segSize = seg_size;
+	memcpy(seg_hdr->description, desc, (sizeof(seg_hdr->description)) - 1);
+}
+
+void ql_gen_reg_dump(struct ql_adapter *qdev,
+			struct ql_reg_dump *mpi_coredump)
+{
+	int i, status;
+
+
+	memset(&(mpi_coredump->mpi_global_header), 0,
+		sizeof(struct mpi_coredump_global_header));
+	mpi_coredump->mpi_global_header.cookie = MPI_COREDUMP_COOKIE;
+	mpi_coredump->mpi_global_header.headerSize =
+		sizeof(struct mpi_coredump_global_header);
+	mpi_coredump->mpi_global_header.imageSize =
+		sizeof(struct ql_reg_dump);
+	memcpy(mpi_coredump->mpi_global_header.idString, "MPI Coredump",
+		sizeof(mpi_coredump->mpi_global_header.idString));
+
+
+	/* segment 16 */
+	ql_build_coredump_seg_header(&mpi_coredump->misc_nic_seg_hdr,
+				MISC_NIC_INFO_SEG_NUM,
+				sizeof(struct mpi_coredump_segment_header)
+				+ sizeof(mpi_coredump->misc_nic_info),
+				"MISC NIC INFO");
+	mpi_coredump->misc_nic_info.rx_ring_count = qdev->rx_ring_count;
+	mpi_coredump->misc_nic_info.tx_ring_count = qdev->tx_ring_count;
+	mpi_coredump->misc_nic_info.intr_count = qdev->intr_count;
+	mpi_coredump->misc_nic_info.function = qdev->func;
+
+	/* Segment 16, Rev C. Step 18 */
+	ql_build_coredump_seg_header(&mpi_coredump->nic_regs_seg_hdr,
+				NIC1_CONTROL_SEG_NUM,
+				sizeof(struct mpi_coredump_segment_header)
+				+ sizeof(mpi_coredump->nic_regs),
+				"NIC Registers");
+	/* Get generic reg dump */
+	for (i = 0; i < 64; i++)
+		mpi_coredump->nic_regs[i] = ql_read32(qdev, i * sizeof(u32));
+
+	/* Segment 31 */
+	/* Get indexed register values. */
+	ql_build_coredump_seg_header(&mpi_coredump->intr_states_seg_hdr,
+				INTR_STATES_SEG_NUM,
+				sizeof(struct mpi_coredump_segment_header)
+				+ sizeof(mpi_coredump->intr_states),
+				"INTR States");
+	ql_get_intr_states(qdev, &mpi_coredump->intr_states[0]);
+
+	ql_build_coredump_seg_header(&mpi_coredump->cam_entries_seg_hdr,
+				CAM_ENTRIES_SEG_NUM,
+				sizeof(struct mpi_coredump_segment_header)
+				+ sizeof(mpi_coredump->cam_entries),
+				"CAM Entries");
+	status = ql_get_cam_entries(qdev, &mpi_coredump->cam_entries[0]);
+	if (status)
+		return;
+
+	ql_build_coredump_seg_header(&mpi_coredump->nic_routing_words_seg_hdr,
+				ROUTING_WORDS_SEG_NUM,
+				sizeof(struct mpi_coredump_segment_header)
+				+ sizeof(mpi_coredump->nic_routing_words),
+				"Routing Words");
+	status = ql_get_routing_entries(qdev,
+			 &mpi_coredump->nic_routing_words[0]);
+	if (status)
+		return;
+
+	/* Segment 34 (Rev C. step 23) */
+	ql_build_coredump_seg_header(&mpi_coredump->ets_seg_hdr,
+				ETS_SEG_NUM,
+				sizeof(struct mpi_coredump_segment_header)
+				+ sizeof(mpi_coredump->ets),
+				"ETS Registers");
+	status = ql_get_ets_regs(qdev, &mpi_coredump->ets[0]);
+	if (status)
+		return;
+}
+
 #ifdef QL_REG_DUMP
 static void ql_dump_intr_states(struct ql_adapter *qdev)
 {
diff --git a/drivers/net/qlge/qlge_ethtool.c b/drivers/net/qlge/qlge_ethtool.c
index 019f35fb10c..62c4af05780 100644
--- a/drivers/net/qlge/qlge_ethtool.c
+++ b/drivers/net/qlge/qlge_ethtool.c
@@ -428,6 +428,20 @@ static int ql_phys_id(struct net_device *ndev, u32 data)
 
 	return 0;
 }
+
+static int ql_get_regs_len(struct net_device *ndev)
+{
+	return sizeof(struct ql_reg_dump);
+}
+
+static void ql_get_regs(struct net_device *ndev,
+			struct ethtool_regs *regs, void *p)
+{
+	struct ql_adapter *qdev = netdev_priv(ndev);
+
+	ql_gen_reg_dump(qdev, p);
+}
+
 static int ql_get_coalesce(struct net_device *dev, struct ethtool_coalesce *c)
 {
 	struct ql_adapter *qdev = netdev_priv(dev);
@@ -555,6 +569,8 @@ const struct ethtool_ops qlge_ethtool_ops = {
 	.get_drvinfo = ql_get_drvinfo,
 	.get_wol = ql_get_wol,
 	.set_wol = ql_set_wol,
+	.get_regs_len	= ql_get_regs_len,
+	.get_regs = ql_get_regs,
 	.get_msglevel = ql_get_msglevel,
 	.set_msglevel = ql_set_msglevel,
 	.get_link = ethtool_op_get_link,
-- 
GitLab


From a3d1289126e7b14307074b76bf1677015ea5036f Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 21 Oct 2009 10:59:31 +0000
Subject: [PATCH 0396/1815] rtnetlink: rtnl_setlink() and rtnl_getlink()
 changes

rtnl_getlink() & rtnl_setlink() run with RTNL held, we can use
__dev_get_by_index() and __dev_get_by_name() variants and avoid
dev_hold()/dev_put()

Adds to rtnl_getlink() the capability to find a device by its name,
not only by its index.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/rtnetlink.c | 38 +++++++++++++++++++-------------------
 1 file changed, 19 insertions(+), 19 deletions(-)

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index eb42873f2a3..ba13b0974a7 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -910,9 +910,9 @@ static int rtnl_setlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
 	err = -EINVAL;
 	ifm = nlmsg_data(nlh);
 	if (ifm->ifi_index > 0)
-		dev = dev_get_by_index(net, ifm->ifi_index);
+		dev = __dev_get_by_index(net, ifm->ifi_index);
 	else if (tb[IFLA_IFNAME])
-		dev = dev_get_by_name(net, ifname);
+		dev = __dev_get_by_name(net, ifname);
 	else
 		goto errout;
 
@@ -922,11 +922,9 @@ static int rtnl_setlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
 	}
 
 	if ((err = validate_linkmsg(dev, tb)) < 0)
-		goto errout_dev;
+		goto errout;
 
 	err = do_setlink(dev, ifm, tb, ifname, 0);
-errout_dev:
-	dev_put(dev);
 errout:
 	return err;
 }
@@ -1154,6 +1152,7 @@ static int rtnl_getlink(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
 {
 	struct net *net = sock_net(skb->sk);
 	struct ifinfomsg *ifm;
+	char ifname[IFNAMSIZ];
 	struct nlattr *tb[IFLA_MAX+1];
 	struct net_device *dev = NULL;
 	struct sk_buff *nskb;
@@ -1163,19 +1162,23 @@ static int rtnl_getlink(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
 	if (err < 0)
 		return err;
 
+	if (tb[IFLA_IFNAME])
+		nla_strlcpy(ifname, tb[IFLA_IFNAME], IFNAMSIZ);
+
 	ifm = nlmsg_data(nlh);
-	if (ifm->ifi_index > 0) {
-		dev = dev_get_by_index(net, ifm->ifi_index);
-		if (dev == NULL)
-			return -ENODEV;
-	} else
+	if (ifm->ifi_index > 0)
+		dev = __dev_get_by_index(net, ifm->ifi_index);
+	else if (tb[IFLA_IFNAME])
+		dev = __dev_get_by_name(net, ifname);
+	else
 		return -EINVAL;
 
+	if (dev == NULL)
+		return -ENODEV;
+
 	nskb = nlmsg_new(if_nlmsg_size(dev), GFP_KERNEL);
-	if (nskb == NULL) {
-		err = -ENOBUFS;
-		goto errout;
-	}
+	if (nskb == NULL)
+		return -ENOBUFS;
 
 	err = rtnl_fill_ifinfo(nskb, dev, RTM_NEWLINK, NETLINK_CB(skb).pid,
 			       nlh->nlmsg_seq, 0, 0);
@@ -1183,11 +1186,8 @@ static int rtnl_getlink(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
 		/* -EMSGSIZE implies BUG in if_nlmsg_size */
 		WARN_ON(err == -EMSGSIZE);
 		kfree_skb(nskb);
-		goto errout;
-	}
-	err = rtnl_unicast(nskb, net, NETLINK_CB(skb).pid);
-errout:
-	dev_put(dev);
+	} else
+		err = rtnl_unicast(nskb, net, NETLINK_CB(skb).pid);
 
 	return err;
 }
-- 
GitLab


From 188586b28deda2dd4888a306cb6202cc6f408103 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Thu, 22 Oct 2009 18:31:39 -0700
Subject: [PATCH 0397/1815] sfc: 10Xpress: Report support for pause frames

Commits 27fbc7d 'mdio: Expose pause frame advertising flags to ethtool'
and c634263 'sfc: 10Xpress: Initialise pause advertising flags'
added to our reported advertising flags.

efx_mdio_set_settings() requires that all advertising flags are
also present in the supported flags, so make sure that is true.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/tenxpress.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c
index 1a3495c676c..352cc560ed4 100644
--- a/drivers/net/sfc/tenxpress.c
+++ b/drivers/net/sfc/tenxpress.c
@@ -752,6 +752,7 @@ tenxpress_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
 
 	mdio45_ethtool_gset_npage(&efx->mdio, ecmd, adv, lpa);
 
+	ecmd->supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause;
 	if (efx->phy_type != PHY_TYPE_SFX7101) {
 		ecmd->supported |= (SUPPORTED_100baseT_Full |
 				    SUPPORTED_1000baseT_Full);
-- 
GitLab


From 1c55d62e77fa16cdace417834fc7b8a421a1877f Mon Sep 17 00:00:00 2001
From: jamal <hadi@cyberus.ca>
Date: Thu, 15 Oct 2009 03:09:18 +0000
Subject: [PATCH 0398/1815] pkt_sched: skbedit add support for setting mark

This adds support for setting the skb mark.

Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/tc_act/tc_skbedit.h |  2 ++
 include/net/tc_act/tc_skbedit.h   |  2 ++
 net/sched/act_skbedit.c           | 17 ++++++++++++++++-
 3 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/include/linux/tc_act/tc_skbedit.h b/include/linux/tc_act/tc_skbedit.h
index a14e461a7af..7a2e910a5f0 100644
--- a/include/linux/tc_act/tc_skbedit.h
+++ b/include/linux/tc_act/tc_skbedit.h
@@ -26,6 +26,7 @@
 
 #define SKBEDIT_F_PRIORITY		0x1
 #define SKBEDIT_F_QUEUE_MAPPING		0x2
+#define SKBEDIT_F_MARK			0x4
 
 struct tc_skbedit {
 	tc_gen;
@@ -37,6 +38,7 @@ enum {
 	TCA_SKBEDIT_PARMS,
 	TCA_SKBEDIT_PRIORITY,
 	TCA_SKBEDIT_QUEUE_MAPPING,
+	TCA_SKBEDIT_MARK,
 	__TCA_SKBEDIT_MAX
 };
 #define TCA_SKBEDIT_MAX (__TCA_SKBEDIT_MAX - 1)
diff --git a/include/net/tc_act/tc_skbedit.h b/include/net/tc_act/tc_skbedit.h
index 6abb3ed3ebf..e103fe02f37 100644
--- a/include/net/tc_act/tc_skbedit.h
+++ b/include/net/tc_act/tc_skbedit.h
@@ -26,7 +26,9 @@ struct tcf_skbedit {
 	struct tcf_common	common;
 	u32			flags;
 	u32     		priority;
+	u32     		mark;
 	u16			queue_mapping;
+	/* XXX: 16-bit pad here? */
 };
 #define to_skbedit(pc) \
 	container_of(pc, struct tcf_skbedit, common)
diff --git a/net/sched/act_skbedit.c b/net/sched/act_skbedit.c
index 4ab916b8074..e9607fe55b5 100644
--- a/net/sched/act_skbedit.c
+++ b/net/sched/act_skbedit.c
@@ -54,6 +54,8 @@ static int tcf_skbedit(struct sk_buff *skb, struct tc_action *a,
 	if (d->flags & SKBEDIT_F_QUEUE_MAPPING &&
 	    skb->dev->real_num_tx_queues > d->queue_mapping)
 		skb_set_queue_mapping(skb, d->queue_mapping);
+	if (d->flags & SKBEDIT_F_MARK)
+		skb->mark = d->mark;
 
 	spin_unlock(&d->tcf_lock);
 	return d->tcf_action;
@@ -63,6 +65,7 @@ static const struct nla_policy skbedit_policy[TCA_SKBEDIT_MAX + 1] = {
 	[TCA_SKBEDIT_PARMS]		= { .len = sizeof(struct tc_skbedit) },
 	[TCA_SKBEDIT_PRIORITY]		= { .len = sizeof(u32) },
 	[TCA_SKBEDIT_QUEUE_MAPPING]	= { .len = sizeof(u16) },
+	[TCA_SKBEDIT_MARK]		= { .len = sizeof(u32) },
 };
 
 static int tcf_skbedit_init(struct nlattr *nla, struct nlattr *est,
@@ -72,7 +75,7 @@ static int tcf_skbedit_init(struct nlattr *nla, struct nlattr *est,
 	struct tc_skbedit *parm;
 	struct tcf_skbedit *d;
 	struct tcf_common *pc;
-	u32 flags = 0, *priority = NULL;
+	u32 flags = 0, *priority = NULL, *mark = NULL;
 	u16 *queue_mapping = NULL;
 	int ret = 0, err;
 
@@ -95,6 +98,12 @@ static int tcf_skbedit_init(struct nlattr *nla, struct nlattr *est,
 		flags |= SKBEDIT_F_QUEUE_MAPPING;
 		queue_mapping = nla_data(tb[TCA_SKBEDIT_QUEUE_MAPPING]);
 	}
+
+	if (tb[TCA_SKBEDIT_MARK] != NULL) {
+		flags |= SKBEDIT_F_MARK;
+		mark = nla_data(tb[TCA_SKBEDIT_MARK]);
+	}
+
 	if (!flags)
 		return -EINVAL;
 
@@ -124,6 +133,9 @@ static int tcf_skbedit_init(struct nlattr *nla, struct nlattr *est,
 		d->priority = *priority;
 	if (flags & SKBEDIT_F_QUEUE_MAPPING)
 		d->queue_mapping = *queue_mapping;
+	if (flags & SKBEDIT_F_MARK)
+		d->mark = *mark;
+
 	d->tcf_action = parm->action;
 
 	spin_unlock_bh(&d->tcf_lock);
@@ -161,6 +173,9 @@ static inline int tcf_skbedit_dump(struct sk_buff *skb, struct tc_action *a,
 	if (d->flags & SKBEDIT_F_QUEUE_MAPPING)
 		NLA_PUT(skb, TCA_SKBEDIT_QUEUE_MAPPING,
 			sizeof(d->queue_mapping), &d->queue_mapping);
+	if (d->flags & SKBEDIT_F_MARK)
+		NLA_PUT(skb, TCA_SKBEDIT_MARK, sizeof(d->mark),
+			&d->mark);
 	t.install = jiffies_to_clock_t(jiffies - d->tcf_tm.install);
 	t.lastuse = jiffies_to_clock_t(jiffies - d->tcf_tm.lastuse);
 	t.expires = jiffies_to_clock_t(d->tcf_tm.expires);
-- 
GitLab


From 7dbb06f7073a5d8a175ff6a1dc149f2505742614 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 23 Oct 2009 08:28:45 +0000
Subject: [PATCH 0399/1815] sfc: Remove redundant header gmii.h

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/falcon_gmac.c |  1 -
 drivers/net/sfc/gmii.h        | 60 -----------------------------------
 2 files changed, 61 deletions(-)
 delete mode 100644 drivers/net/sfc/gmii.h

diff --git a/drivers/net/sfc/falcon_gmac.c b/drivers/net/sfc/falcon_gmac.c
index 8865eae20ac..36f57b102ac 100644
--- a/drivers/net/sfc/falcon_gmac.c
+++ b/drivers/net/sfc/falcon_gmac.c
@@ -15,7 +15,6 @@
 #include "mac.h"
 #include "falcon_hwdefs.h"
 #include "falcon_io.h"
-#include "gmii.h"
 
 /**************************************************************************
  *
diff --git a/drivers/net/sfc/gmii.h b/drivers/net/sfc/gmii.h
deleted file mode 100644
index dfccaa7b573..00000000000
--- a/drivers/net/sfc/gmii.h
+++ /dev/null
@@ -1,60 +0,0 @@
-/****************************************************************************
- * Driver for Solarflare Solarstorm network controllers and boards
- * Copyright 2005-2006 Fen Systems Ltd.
- * Copyright 2006-2008 Solarflare Communications Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation, incorporated herein by reference.
- */
-
-#ifndef EFX_GMII_H
-#define EFX_GMII_H
-
-/*
- * GMII interface
- */
-
-#include <linux/mii.h>
-
-/* GMII registers, excluding registers already defined as MII
- * registers in mii.h
- */
-#define GMII_IER		0x12	/* Interrupt enable register */
-#define GMII_ISR		0x13	/* Interrupt status register */
-
-/* Interrupt enable register */
-#define IER_ANEG_ERR		0x8000	/* Bit 15 - autonegotiation error */
-#define IER_SPEED_CHG		0x4000	/* Bit 14 - speed changed */
-#define IER_DUPLEX_CHG		0x2000	/* Bit 13 - duplex changed */
-#define IER_PAGE_RCVD		0x1000	/* Bit 12 - page received */
-#define IER_ANEG_DONE		0x0800	/* Bit 11 - autonegotiation complete */
-#define IER_LINK_CHG		0x0400	/* Bit 10 - link status changed */
-#define IER_SYM_ERR		0x0200	/* Bit 9 - symbol error */
-#define IER_FALSE_CARRIER	0x0100	/* Bit 8 - false carrier */
-#define IER_FIFO_ERR		0x0080	/* Bit 7 - FIFO over/underflow */
-#define IER_MDIX_CHG		0x0040	/* Bit 6 - MDI crossover changed */
-#define IER_DOWNSHIFT		0x0020	/* Bit 5 - downshift */
-#define IER_ENERGY		0x0010	/* Bit 4 - energy detect */
-#define IER_DTE_POWER		0x0004	/* Bit 2 - DTE power detect */
-#define IER_POLARITY_CHG	0x0002	/* Bit 1 - polarity changed */
-#define IER_JABBER		0x0001	/* Bit 0 - jabber */
-
-/* Interrupt status register */
-#define ISR_ANEG_ERR		0x8000	/* Bit 15 - autonegotiation error */
-#define ISR_SPEED_CHG		0x4000	/* Bit 14 - speed changed */
-#define ISR_DUPLEX_CHG		0x2000	/* Bit 13 - duplex changed */
-#define ISR_PAGE_RCVD		0x1000	/* Bit 12 - page received */
-#define ISR_ANEG_DONE		0x0800	/* Bit 11 - autonegotiation complete */
-#define ISR_LINK_CHG		0x0400	/* Bit 10 - link status changed */
-#define ISR_SYM_ERR		0x0200	/* Bit 9 - symbol error */
-#define ISR_FALSE_CARRIER	0x0100	/* Bit 8 - false carrier */
-#define ISR_FIFO_ERR		0x0080	/* Bit 7 - FIFO over/underflow */
-#define ISR_MDIX_CHG		0x0040	/* Bit 6 - MDI crossover changed */
-#define ISR_DOWNSHIFT		0x0020	/* Bit 5 - downshift */
-#define ISR_ENERGY		0x0010	/* Bit 4 - energy detect */
-#define ISR_DTE_POWER		0x0004	/* Bit 2 - DTE power detect */
-#define ISR_POLARITY_CHG	0x0002	/* Bit 1 - polarity changed */
-#define ISR_JABBER		0x0001	/* Bit 0 - jabber */
-
-#endif /* EFX_GMII_H */
-- 
GitLab


From 19e71cf6910defed10c5d22af9f4591bbcd6a0fe Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 23 Oct 2009 08:28:53 +0000
Subject: [PATCH 0400/1815] sfc: Remove redundant hardware initialisation

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/falcon.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index c049364aec4..57898fd5298 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -2933,10 +2933,6 @@ int falcon_init_nic(struct efx_nic *efx)
 		falcon_write(efx, &temp, GPIO_CTL_REG_KER);
 	}
 
-	/* Set buffer table mode */
-	EFX_POPULATE_OWORD_1(temp, BUF_TBL_MODE, BUF_TBL_MODE_FULL);
-	falcon_write(efx, &temp, BUF_TBL_CFG_REG_KER);
-
 	rc = falcon_reset_sram(efx);
 	if (rc)
 		return rc;
-- 
GitLab


From 3473a5b11827fa0f84f18b79373a26290798f54a Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 23 Oct 2009 08:29:16 +0000
Subject: [PATCH 0401/1815] sfc: Rename Falcon-specific board code and types

Siena will require entirely different board code.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/Makefile                      |  2 +-
 drivers/net/sfc/boards.h                      | 10 ++----
 drivers/net/sfc/falcon.c                      |  2 +-
 drivers/net/sfc/{boards.c => falcon_boards.c} | 35 +++++++++++--------
 drivers/net/sfc/sfe4001.c                     |  2 +-
 5 files changed, 25 insertions(+), 26 deletions(-)
 rename drivers/net/sfc/{boards.c => falcon_boards.c} (90%)

diff --git a/drivers/net/sfc/Makefile b/drivers/net/sfc/Makefile
index b89f9be3cb1..eb217d34e24 100644
--- a/drivers/net/sfc/Makefile
+++ b/drivers/net/sfc/Makefile
@@ -1,6 +1,6 @@
 sfc-y			+= efx.o falcon.o tx.o rx.o falcon_gmac.o \
 			   falcon_xmac.o selftest.o ethtool.o xfp_phy.o \
-			   mdio_10g.o tenxpress.o boards.o sfe4001.o
+			   mdio_10g.o tenxpress.o falcon_boards.o sfe4001.o
 sfc-$(CONFIG_SFC_MTD)	+= mtd.o
 
 obj-$(CONFIG_SFC)	+= sfc.o
diff --git a/drivers/net/sfc/boards.h b/drivers/net/sfc/boards.h
index 44942de0e08..c1a57106bd1 100644
--- a/drivers/net/sfc/boards.h
+++ b/drivers/net/sfc/boards.h
@@ -10,15 +10,9 @@
 #ifndef EFX_BOARDS_H
 #define EFX_BOARDS_H
 
-/* Board IDs (must fit in 8 bits) */
-enum efx_board_type {
-	EFX_BOARD_SFE4001 = 1,
-	EFX_BOARD_SFE4002 = 2,
-	EFX_BOARD_SFN4111T = 0x51,
-	EFX_BOARD_SFN4112F = 0x52,
-};
+#define FALCON_BOARD_SFE4001 0x01
 
-extern void efx_set_board_info(struct efx_nic *efx, u16 revision_info);
+extern void falcon_probe_board(struct efx_nic *efx, u16 revision_info);
 
 /* SFE4001 (10GBASE-T) */
 extern int sfe4001_init(struct efx_nic *efx);
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 57898fd5298..abc6b632df9 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -2732,7 +2732,7 @@ static int falcon_probe_nvconfig(struct efx_nic *efx)
 
 	EFX_LOG(efx, "PHY is %d phy_id %d\n", efx->phy_type, efx->mdio.prtad);
 
-	efx_set_board_info(efx, board_rev);
+	falcon_probe_board(efx, board_rev);
 
 	kfree(nvconfig);
 	return 0;
diff --git a/drivers/net/sfc/boards.c b/drivers/net/sfc/falcon_boards.c
similarity index 90%
rename from drivers/net/sfc/boards.c
rename to drivers/net/sfc/falcon_boards.c
index 4a4c74c891b..431b74c4a96 100644
--- a/drivers/net/sfc/boards.c
+++ b/drivers/net/sfc/falcon_boards.c
@@ -15,9 +15,14 @@
 
 /* Macros for unpacking the board revision */
 /* The revision info is in host byte order. */
-#define BOARD_TYPE(_rev) (_rev >> 8)
-#define BOARD_MAJOR(_rev) ((_rev >> 4) & 0xf)
-#define BOARD_MINOR(_rev) (_rev & 0xf)
+#define FALCON_BOARD_TYPE(_rev) (_rev >> 8)
+#define FALCON_BOARD_MAJOR(_rev) ((_rev >> 4) & 0xf)
+#define FALCON_BOARD_MINOR(_rev) (_rev & 0xf)
+
+/* Board types */
+#define FALCON_BOARD_SFE4002 0x02
+#define FALCON_BOARD_SFN4111T 0x51
+#define FALCON_BOARD_SFN4112F 0x52
 
 /* Blink support. If the PHY has no auto-blink mode so we hang it off a timer */
 #define BLINK_INTERVAL (HZ/2)
@@ -286,31 +291,31 @@ static int sfn4112f_init(struct efx_nic *efx)
 
 /* This will get expanded as board-specific details get moved out of the
  * PHY drivers. */
-struct efx_board_data {
-	enum efx_board_type type;
+struct falcon_board_data {
+	u8 type;
 	const char *ref_model;
 	const char *gen_type;
 	int (*init) (struct efx_nic *nic);
 };
 
 
-static struct efx_board_data board_data[] = {
-	{ EFX_BOARD_SFE4001, "SFE4001", "10GBASE-T adapter", sfe4001_init },
-	{ EFX_BOARD_SFE4002, "SFE4002", "XFP adapter", sfe4002_init },
-	{ EFX_BOARD_SFN4111T, "SFN4111T", "100/1000/10GBASE-T adapter",
+static struct falcon_board_data board_data[] = {
+	{ FALCON_BOARD_SFE4001, "SFE4001", "10GBASE-T adapter", sfe4001_init },
+	{ FALCON_BOARD_SFE4002, "SFE4002", "XFP adapter", sfe4002_init },
+	{ FALCON_BOARD_SFN4111T, "SFN4111T", "100/1000/10GBASE-T adapter",
 	  sfn4111t_init },
-	{ EFX_BOARD_SFN4112F, "SFN4112F", "SFP+ adapter",
+	{ FALCON_BOARD_SFN4112F, "SFN4112F", "SFP+ adapter",
 	  sfn4112f_init },
 };
 
-void efx_set_board_info(struct efx_nic *efx, u16 revision_info)
+void falcon_probe_board(struct efx_nic *efx, u16 revision_info)
 {
-	struct efx_board_data *data = NULL;
+	struct falcon_board_data *data = NULL;
 	int i;
 
-	efx->board_info.type = BOARD_TYPE(revision_info);
-	efx->board_info.major = BOARD_MAJOR(revision_info);
-	efx->board_info.minor = BOARD_MINOR(revision_info);
+	efx->board_info.type = FALCON_BOARD_TYPE(revision_info);
+	efx->board_info.major = FALCON_BOARD_MAJOR(revision_info);
+	efx->board_info.minor = FALCON_BOARD_MINOR(revision_info);
 
 	for (i = 0; i < ARRAY_SIZE(board_data); i++)
 		if (board_data[i].type == efx->board_info.type)
diff --git a/drivers/net/sfc/sfe4001.c b/drivers/net/sfc/sfe4001.c
index cee00ad49b5..28a55047cc9 100644
--- a/drivers/net/sfc/sfe4001.c
+++ b/drivers/net/sfc/sfe4001.c
@@ -241,7 +241,7 @@ static ssize_t set_phy_flash_cfg(struct device *dev,
 		efx->phy_mode = new_mode;
 		if (new_mode & PHY_MODE_SPECIAL)
 			efx_stats_disable(efx);
-		if (efx->board_info.type == EFX_BOARD_SFE4001)
+		if (efx->board_info.type == FALCON_BOARD_SFE4001)
 			err = sfe4001_poweron(efx);
 		else
 			err = sfn4111t_reset(efx);
-- 
GitLab


From c9597d4f89565b6562bd3026adbe6eac6c317f47 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 23 Oct 2009 08:29:33 +0000
Subject: [PATCH 0402/1815] sfc: Merge sfe4001.c into falcon_boards.c

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/Makefile        |   2 +-
 drivers/net/sfc/boards.h        |   7 -
 drivers/net/sfc/falcon_boards.c | 419 ++++++++++++++++++++++++++++++
 drivers/net/sfc/sfe4001.c       | 435 --------------------------------
 4 files changed, 420 insertions(+), 443 deletions(-)
 delete mode 100644 drivers/net/sfc/sfe4001.c

diff --git a/drivers/net/sfc/Makefile b/drivers/net/sfc/Makefile
index eb217d34e24..9c98d06ada7 100644
--- a/drivers/net/sfc/Makefile
+++ b/drivers/net/sfc/Makefile
@@ -1,6 +1,6 @@
 sfc-y			+= efx.o falcon.o tx.o rx.o falcon_gmac.o \
 			   falcon_xmac.o selftest.o ethtool.o xfp_phy.o \
-			   mdio_10g.o tenxpress.o falcon_boards.o sfe4001.o
+			   mdio_10g.o tenxpress.o falcon_boards.o
 sfc-$(CONFIG_SFC_MTD)	+= mtd.o
 
 obj-$(CONFIG_SFC)	+= sfc.o
diff --git a/drivers/net/sfc/boards.h b/drivers/net/sfc/boards.h
index c1a57106bd1..aaa72b0fea9 100644
--- a/drivers/net/sfc/boards.h
+++ b/drivers/net/sfc/boards.h
@@ -10,13 +10,6 @@
 #ifndef EFX_BOARDS_H
 #define EFX_BOARDS_H
 
-#define FALCON_BOARD_SFE4001 0x01
-
 extern void falcon_probe_board(struct efx_nic *efx, u16 revision_info);
 
-/* SFE4001 (10GBASE-T) */
-extern int sfe4001_init(struct efx_nic *efx);
-/* SFN4111T (100/1000/10GBASE-T) */
-extern int sfn4111t_init(struct efx_nic *efx);
-
 #endif
diff --git a/drivers/net/sfc/falcon_boards.c b/drivers/net/sfc/falcon_boards.c
index 431b74c4a96..cae16566511 100644
--- a/drivers/net/sfc/falcon_boards.c
+++ b/drivers/net/sfc/falcon_boards.c
@@ -7,10 +7,15 @@
  * by the Free Software Foundation, incorporated herein by reference.
  */
 
+#include <linux/rtnetlink.h>
+
 #include "net_driver.h"
 #include "phy.h"
 #include "boards.h"
 #include "efx.h"
+#include "falcon.h"
+#include "falcon_hwdefs.h"
+#include "falcon_io.h"
 #include "workarounds.h"
 
 /* Macros for unpacking the board revision */
@@ -20,6 +25,7 @@
 #define FALCON_BOARD_MINOR(_rev) (_rev & 0xf)
 
 /* Board types */
+#define FALCON_BOARD_SFE4001 0x01
 #define FALCON_BOARD_SFE4002 0x02
 #define FALCON_BOARD_SFN4111T 0x51
 #define FALCON_BOARD_SFN4112F 0x52
@@ -154,6 +160,419 @@ static inline int efx_check_lm87(struct efx_nic *efx, unsigned mask)
 
 #endif /* CONFIG_SENSORS_LM87 */
 
+/*****************************************************************************
+ * Support for the SFE4001 and SFN4111T NICs.
+ *
+ * The SFE4001 does not power-up fully at reset due to its high power
+ * consumption.  We control its power via a PCA9539 I/O expander.
+ * Both boards have a MAX6647 temperature monitor which we expose to
+ * the lm90 driver.
+ *
+ * This also provides minimal support for reflashing the PHY, which is
+ * initiated by resetting it with the FLASH_CFG_1 pin pulled down.
+ * On SFE4001 rev A2 and later this is connected to the 3V3X output of
+ * the IO-expander; on the SFN4111T it is connected to Falcon's GPIO3.
+ * We represent reflash mode as PHY_MODE_SPECIAL and make it mutually
+ * exclusive with the network device being open.
+ */
+
+/**************************************************************************
+ * Support for I2C IO Expander device on SFE40001
+ */
+#define	PCA9539 0x74
+
+#define	P0_IN 0x00
+#define	P0_OUT 0x02
+#define	P0_INVERT 0x04
+#define	P0_CONFIG 0x06
+
+#define	P0_EN_1V0X_LBN 0
+#define	P0_EN_1V0X_WIDTH 1
+#define	P0_EN_1V2_LBN 1
+#define	P0_EN_1V2_WIDTH 1
+#define	P0_EN_2V5_LBN 2
+#define	P0_EN_2V5_WIDTH 1
+#define	P0_EN_3V3X_LBN 3
+#define	P0_EN_3V3X_WIDTH 1
+#define	P0_EN_5V_LBN 4
+#define	P0_EN_5V_WIDTH 1
+#define	P0_SHORTEN_JTAG_LBN 5
+#define	P0_SHORTEN_JTAG_WIDTH 1
+#define	P0_X_TRST_LBN 6
+#define	P0_X_TRST_WIDTH 1
+#define	P0_DSP_RESET_LBN 7
+#define	P0_DSP_RESET_WIDTH 1
+
+#define	P1_IN 0x01
+#define	P1_OUT 0x03
+#define	P1_INVERT 0x05
+#define	P1_CONFIG 0x07
+
+#define	P1_AFE_PWD_LBN 0
+#define	P1_AFE_PWD_WIDTH 1
+#define	P1_DSP_PWD25_LBN 1
+#define	P1_DSP_PWD25_WIDTH 1
+#define	P1_RESERVED_LBN 2
+#define	P1_RESERVED_WIDTH 2
+#define	P1_SPARE_LBN 4
+#define	P1_SPARE_WIDTH 4
+
+/* Temperature Sensor */
+#define MAX664X_REG_RSL		0x02
+#define MAX664X_REG_WLHO	0x0B
+
+static void sfe4001_poweroff(struct efx_nic *efx)
+{
+	struct i2c_client *ioexp_client = efx->board_info.ioexp_client;
+	struct i2c_client *hwmon_client = efx->board_info.hwmon_client;
+
+	/* Turn off all power rails and disable outputs */
+	i2c_smbus_write_byte_data(ioexp_client, P0_OUT, 0xff);
+	i2c_smbus_write_byte_data(ioexp_client, P1_CONFIG, 0xff);
+	i2c_smbus_write_byte_data(ioexp_client, P0_CONFIG, 0xff);
+
+	/* Clear any over-temperature alert */
+	i2c_smbus_read_byte_data(hwmon_client, MAX664X_REG_RSL);
+}
+
+static int sfe4001_poweron(struct efx_nic *efx)
+{
+	struct i2c_client *hwmon_client = efx->board_info.hwmon_client;
+	struct i2c_client *ioexp_client = efx->board_info.ioexp_client;
+	unsigned int i, j;
+	int rc;
+	u8 out;
+
+	/* Clear any previous over-temperature alert */
+	rc = i2c_smbus_read_byte_data(hwmon_client, MAX664X_REG_RSL);
+	if (rc < 0)
+		return rc;
+
+	/* Enable port 0 and port 1 outputs on IO expander */
+	rc = i2c_smbus_write_byte_data(ioexp_client, P0_CONFIG, 0x00);
+	if (rc)
+		return rc;
+	rc = i2c_smbus_write_byte_data(ioexp_client, P1_CONFIG,
+				       0xff & ~(1 << P1_SPARE_LBN));
+	if (rc)
+		goto fail_on;
+
+	/* If PHY power is on, turn it all off and wait 1 second to
+	 * ensure a full reset.
+	 */
+	rc = i2c_smbus_read_byte_data(ioexp_client, P0_OUT);
+	if (rc < 0)
+		goto fail_on;
+	out = 0xff & ~((0 << P0_EN_1V2_LBN) | (0 << P0_EN_2V5_LBN) |
+		       (0 << P0_EN_3V3X_LBN) | (0 << P0_EN_5V_LBN) |
+		       (0 << P0_EN_1V0X_LBN));
+	if (rc != out) {
+		EFX_INFO(efx, "power-cycling PHY\n");
+		rc = i2c_smbus_write_byte_data(ioexp_client, P0_OUT, out);
+		if (rc)
+			goto fail_on;
+		schedule_timeout_uninterruptible(HZ);
+	}
+
+	for (i = 0; i < 20; ++i) {
+		/* Turn on 1.2V, 2.5V, 3.3V and 5V power rails */
+		out = 0xff & ~((1 << P0_EN_1V2_LBN) | (1 << P0_EN_2V5_LBN) |
+			       (1 << P0_EN_3V3X_LBN) | (1 << P0_EN_5V_LBN) |
+			       (1 << P0_X_TRST_LBN));
+		if (efx->phy_mode & PHY_MODE_SPECIAL)
+			out |= 1 << P0_EN_3V3X_LBN;
+
+		rc = i2c_smbus_write_byte_data(ioexp_client, P0_OUT, out);
+		if (rc)
+			goto fail_on;
+		msleep(10);
+
+		/* Turn on 1V power rail */
+		out &= ~(1 << P0_EN_1V0X_LBN);
+		rc = i2c_smbus_write_byte_data(ioexp_client, P0_OUT, out);
+		if (rc)
+			goto fail_on;
+
+		EFX_INFO(efx, "waiting for DSP boot (attempt %d)...\n", i);
+
+		/* In flash config mode, DSP does not turn on AFE, so
+		 * just wait 1 second.
+		 */
+		if (efx->phy_mode & PHY_MODE_SPECIAL) {
+			schedule_timeout_uninterruptible(HZ);
+			return 0;
+		}
+
+		for (j = 0; j < 10; ++j) {
+			msleep(100);
+
+			/* Check DSP has asserted AFE power line */
+			rc = i2c_smbus_read_byte_data(ioexp_client, P1_IN);
+			if (rc < 0)
+				goto fail_on;
+			if (rc & (1 << P1_AFE_PWD_LBN))
+				return 0;
+		}
+	}
+
+	EFX_INFO(efx, "timed out waiting for DSP boot\n");
+	rc = -ETIMEDOUT;
+fail_on:
+	sfe4001_poweroff(efx);
+	return rc;
+}
+
+static int sfn4111t_reset(struct efx_nic *efx)
+{
+	efx_oword_t reg;
+
+	/* GPIO 3 and the GPIO register are shared with I2C, so block that */
+	mutex_lock(&efx->i2c_adap.bus_lock);
+
+	/* Pull RST_N (GPIO 2) low then let it up again, setting the
+	 * FLASH_CFG_1 strap (GPIO 3) appropriately.  Only change the
+	 * output enables; the output levels should always be 0 (low)
+	 * and we rely on external pull-ups. */
+	falcon_read(efx, &reg, GPIO_CTL_REG_KER);
+	EFX_SET_OWORD_FIELD(reg, GPIO2_OEN, true);
+	falcon_write(efx, &reg, GPIO_CTL_REG_KER);
+	msleep(1000);
+	EFX_SET_OWORD_FIELD(reg, GPIO2_OEN, false);
+	EFX_SET_OWORD_FIELD(reg, GPIO3_OEN,
+			    !!(efx->phy_mode & PHY_MODE_SPECIAL));
+	falcon_write(efx, &reg, GPIO_CTL_REG_KER);
+	msleep(1);
+
+	mutex_unlock(&efx->i2c_adap.bus_lock);
+
+	ssleep(1);
+	return 0;
+}
+
+static ssize_t show_phy_flash_cfg(struct device *dev,
+				  struct device_attribute *attr, char *buf)
+{
+	struct efx_nic *efx = pci_get_drvdata(to_pci_dev(dev));
+	return sprintf(buf, "%d\n", !!(efx->phy_mode & PHY_MODE_SPECIAL));
+}
+
+static ssize_t set_phy_flash_cfg(struct device *dev,
+				 struct device_attribute *attr,
+				 const char *buf, size_t count)
+{
+	struct efx_nic *efx = pci_get_drvdata(to_pci_dev(dev));
+	enum efx_phy_mode old_mode, new_mode;
+	int err;
+
+	rtnl_lock();
+	old_mode = efx->phy_mode;
+	if (count == 0 || *buf == '0')
+		new_mode = old_mode & ~PHY_MODE_SPECIAL;
+	else
+		new_mode = PHY_MODE_SPECIAL;
+	if (old_mode == new_mode) {
+		err = 0;
+	} else if (efx->state != STATE_RUNNING || netif_running(efx->net_dev)) {
+		err = -EBUSY;
+	} else {
+		/* Reset the PHY, reconfigure the MAC and enable/disable
+		 * MAC stats accordingly. */
+		efx->phy_mode = new_mode;
+		if (new_mode & PHY_MODE_SPECIAL)
+			efx_stats_disable(efx);
+		if (efx->board_info.type == FALCON_BOARD_SFE4001)
+			err = sfe4001_poweron(efx);
+		else
+			err = sfn4111t_reset(efx);
+		efx_reconfigure_port(efx);
+		if (!(new_mode & PHY_MODE_SPECIAL))
+			efx_stats_enable(efx);
+	}
+	rtnl_unlock();
+
+	return err ? err : count;
+}
+
+static DEVICE_ATTR(phy_flash_cfg, 0644, show_phy_flash_cfg, set_phy_flash_cfg);
+
+static void sfe4001_fini(struct efx_nic *efx)
+{
+	EFX_INFO(efx, "%s\n", __func__);
+
+	device_remove_file(&efx->pci_dev->dev, &dev_attr_phy_flash_cfg);
+	sfe4001_poweroff(efx);
+	i2c_unregister_device(efx->board_info.ioexp_client);
+	i2c_unregister_device(efx->board_info.hwmon_client);
+}
+
+static int sfe4001_check_hw(struct efx_nic *efx)
+{
+	s32 status;
+
+	/* If XAUI link is up then do not monitor */
+	if (EFX_WORKAROUND_7884(efx) && efx->mac_up)
+		return 0;
+
+	/* Check the powered status of the PHY. Lack of power implies that
+	 * the MAX6647 has shut down power to it, probably due to a temp.
+	 * alarm. Reading the power status rather than the MAX6647 status
+	 * directly because the later is read-to-clear and would thus
+	 * start to power up the PHY again when polled, causing us to blip
+	 * the power undesirably.
+	 * We know we can read from the IO expander because we did
+	 * it during power-on. Assume failure now is bad news. */
+	status = i2c_smbus_read_byte_data(efx->board_info.ioexp_client, P1_IN);
+	if (status >= 0 &&
+	    (status & ((1 << P1_AFE_PWD_LBN) | (1 << P1_DSP_PWD25_LBN))) != 0)
+		return 0;
+
+	/* Use board power control, not PHY power control */
+	sfe4001_poweroff(efx);
+	efx->phy_mode = PHY_MODE_OFF;
+
+	return (status < 0) ? -EIO : -ERANGE;
+}
+
+static struct i2c_board_info sfe4001_hwmon_info = {
+	I2C_BOARD_INFO("max6647", 0x4e),
+};
+
+/* This board uses an I2C expander to provider power to the PHY, which needs to
+ * be turned on before the PHY can be used.
+ * Context: Process context, rtnl lock held
+ */
+static int sfe4001_init(struct efx_nic *efx)
+{
+	int rc;
+
+#if defined(CONFIG_SENSORS_LM90) || defined(CONFIG_SENSORS_LM90_MODULE)
+	efx->board_info.hwmon_client =
+		i2c_new_device(&efx->i2c_adap, &sfe4001_hwmon_info);
+#else
+	efx->board_info.hwmon_client =
+		i2c_new_dummy(&efx->i2c_adap, sfe4001_hwmon_info.addr);
+#endif
+	if (!efx->board_info.hwmon_client)
+		return -EIO;
+
+	/* Raise board/PHY high limit from 85 to 90 degrees Celsius */
+	rc = i2c_smbus_write_byte_data(efx->board_info.hwmon_client,
+				       MAX664X_REG_WLHO, 90);
+	if (rc)
+		goto fail_hwmon;
+
+	efx->board_info.ioexp_client = i2c_new_dummy(&efx->i2c_adap, PCA9539);
+	if (!efx->board_info.ioexp_client) {
+		rc = -EIO;
+		goto fail_hwmon;
+	}
+
+	/* 10Xpress has fixed-function LED pins, so there is no board-specific
+	 * blink code. */
+	efx->board_info.blink = tenxpress_phy_blink;
+
+	efx->board_info.monitor = sfe4001_check_hw;
+	efx->board_info.fini = sfe4001_fini;
+
+	if (efx->phy_mode & PHY_MODE_SPECIAL) {
+		/* PHY won't generate a 156.25 MHz clock and MAC stats fetch
+		 * will fail. */
+		efx_stats_disable(efx);
+	}
+	rc = sfe4001_poweron(efx);
+	if (rc)
+		goto fail_ioexp;
+
+	rc = device_create_file(&efx->pci_dev->dev, &dev_attr_phy_flash_cfg);
+	if (rc)
+		goto fail_on;
+
+	EFX_INFO(efx, "PHY is powered on\n");
+	return 0;
+
+fail_on:
+	sfe4001_poweroff(efx);
+fail_ioexp:
+	i2c_unregister_device(efx->board_info.ioexp_client);
+fail_hwmon:
+	i2c_unregister_device(efx->board_info.hwmon_client);
+	return rc;
+}
+
+static int sfn4111t_check_hw(struct efx_nic *efx)
+{
+	s32 status;
+
+	/* If XAUI link is up then do not monitor */
+	if (EFX_WORKAROUND_7884(efx) && efx->mac_up)
+		return 0;
+
+	/* Test LHIGH, RHIGH, FAULT, EOT and IOT alarms */
+	status = i2c_smbus_read_byte_data(efx->board_info.hwmon_client,
+					  MAX664X_REG_RSL);
+	if (status < 0)
+		return -EIO;
+	if (status & 0x57)
+		return -ERANGE;
+	return 0;
+}
+
+static void sfn4111t_fini(struct efx_nic *efx)
+{
+	EFX_INFO(efx, "%s\n", __func__);
+
+	device_remove_file(&efx->pci_dev->dev, &dev_attr_phy_flash_cfg);
+	i2c_unregister_device(efx->board_info.hwmon_client);
+}
+
+static struct i2c_board_info sfn4111t_a0_hwmon_info = {
+	I2C_BOARD_INFO("max6647", 0x4e),
+};
+
+static struct i2c_board_info sfn4111t_r5_hwmon_info = {
+	I2C_BOARD_INFO("max6646", 0x4d),
+};
+
+static int sfn4111t_init(struct efx_nic *efx)
+{
+	int i = 0;
+	int rc;
+
+	efx->board_info.hwmon_client =
+		i2c_new_device(&efx->i2c_adap,
+			       (efx->board_info.minor < 5) ?
+			       &sfn4111t_a0_hwmon_info :
+			       &sfn4111t_r5_hwmon_info);
+	if (!efx->board_info.hwmon_client)
+		return -EIO;
+
+	efx->board_info.blink = tenxpress_phy_blink;
+	efx->board_info.monitor = sfn4111t_check_hw;
+	efx->board_info.fini = sfn4111t_fini;
+
+	rc = device_create_file(&efx->pci_dev->dev, &dev_attr_phy_flash_cfg);
+	if (rc)
+		goto fail_hwmon;
+
+	do {
+		if (efx->phy_mode & PHY_MODE_SPECIAL) {
+			/* PHY may not generate a 156.25 MHz clock and MAC
+			 * stats fetch will fail. */
+			efx_stats_disable(efx);
+			sfn4111t_reset(efx);
+		}
+		rc = sft9001_wait_boot(efx);
+		if (rc == 0)
+			return 0;
+		efx->phy_mode = PHY_MODE_SPECIAL;
+	} while (rc == -EINVAL && ++i < 2);
+
+	device_remove_file(&efx->pci_dev->dev, &dev_attr_phy_flash_cfg);
+fail_hwmon:
+	i2c_unregister_device(efx->board_info.hwmon_client);
+	return rc;
+}
+
 /*****************************************************************************
  * Support for the SFE4002
  *
diff --git a/drivers/net/sfc/sfe4001.c b/drivers/net/sfc/sfe4001.c
deleted file mode 100644
index 28a55047cc9..00000000000
--- a/drivers/net/sfc/sfe4001.c
+++ /dev/null
@@ -1,435 +0,0 @@
-/****************************************************************************
- * Driver for Solarflare Solarstorm network controllers and boards
- * Copyright 2007-2008 Solarflare Communications Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation, incorporated herein by reference.
- */
-
-/*****************************************************************************
- * Support for the SFE4001 and SFN4111T NICs.
- *
- * The SFE4001 does not power-up fully at reset due to its high power
- * consumption.  We control its power via a PCA9539 I/O expander.
- * Both boards have a MAX6647 temperature monitor which we expose to
- * the lm90 driver.
- *
- * This also provides minimal support for reflashing the PHY, which is
- * initiated by resetting it with the FLASH_CFG_1 pin pulled down.
- * On SFE4001 rev A2 and later this is connected to the 3V3X output of
- * the IO-expander; on the SFN4111T it is connected to Falcon's GPIO3.
- * We represent reflash mode as PHY_MODE_SPECIAL and make it mutually
- * exclusive with the network device being open.
- */
-
-#include <linux/delay.h>
-#include <linux/rtnetlink.h>
-#include "net_driver.h"
-#include "efx.h"
-#include "phy.h"
-#include "boards.h"
-#include "falcon.h"
-#include "falcon_hwdefs.h"
-#include "falcon_io.h"
-#include "mac.h"
-#include "workarounds.h"
-
-/**************************************************************************
- *
- * I2C IO Expander device
- *
- **************************************************************************/
-#define	PCA9539 0x74
-
-#define	P0_IN 0x00
-#define	P0_OUT 0x02
-#define	P0_INVERT 0x04
-#define	P0_CONFIG 0x06
-
-#define	P0_EN_1V0X_LBN 0
-#define	P0_EN_1V0X_WIDTH 1
-#define	P0_EN_1V2_LBN 1
-#define	P0_EN_1V2_WIDTH 1
-#define	P0_EN_2V5_LBN 2
-#define	P0_EN_2V5_WIDTH 1
-#define	P0_EN_3V3X_LBN 3
-#define	P0_EN_3V3X_WIDTH 1
-#define	P0_EN_5V_LBN 4
-#define	P0_EN_5V_WIDTH 1
-#define	P0_SHORTEN_JTAG_LBN 5
-#define	P0_SHORTEN_JTAG_WIDTH 1
-#define	P0_X_TRST_LBN 6
-#define	P0_X_TRST_WIDTH 1
-#define	P0_DSP_RESET_LBN 7
-#define	P0_DSP_RESET_WIDTH 1
-
-#define	P1_IN 0x01
-#define	P1_OUT 0x03
-#define	P1_INVERT 0x05
-#define	P1_CONFIG 0x07
-
-#define	P1_AFE_PWD_LBN 0
-#define	P1_AFE_PWD_WIDTH 1
-#define	P1_DSP_PWD25_LBN 1
-#define	P1_DSP_PWD25_WIDTH 1
-#define	P1_RESERVED_LBN 2
-#define	P1_RESERVED_WIDTH 2
-#define	P1_SPARE_LBN 4
-#define	P1_SPARE_WIDTH 4
-
-/* Temperature Sensor */
-#define MAX664X_REG_RSL		0x02
-#define MAX664X_REG_WLHO	0x0B
-
-static void sfe4001_poweroff(struct efx_nic *efx)
-{
-	struct i2c_client *ioexp_client = efx->board_info.ioexp_client;
-	struct i2c_client *hwmon_client = efx->board_info.hwmon_client;
-
-	/* Turn off all power rails and disable outputs */
-	i2c_smbus_write_byte_data(ioexp_client, P0_OUT, 0xff);
-	i2c_smbus_write_byte_data(ioexp_client, P1_CONFIG, 0xff);
-	i2c_smbus_write_byte_data(ioexp_client, P0_CONFIG, 0xff);
-
-	/* Clear any over-temperature alert */
-	i2c_smbus_read_byte_data(hwmon_client, MAX664X_REG_RSL);
-}
-
-static int sfe4001_poweron(struct efx_nic *efx)
-{
-	struct i2c_client *hwmon_client = efx->board_info.hwmon_client;
-	struct i2c_client *ioexp_client = efx->board_info.ioexp_client;
-	unsigned int i, j;
-	int rc;
-	u8 out;
-
-	/* Clear any previous over-temperature alert */
-	rc = i2c_smbus_read_byte_data(hwmon_client, MAX664X_REG_RSL);
-	if (rc < 0)
-		return rc;
-
-	/* Enable port 0 and port 1 outputs on IO expander */
-	rc = i2c_smbus_write_byte_data(ioexp_client, P0_CONFIG, 0x00);
-	if (rc)
-		return rc;
-	rc = i2c_smbus_write_byte_data(ioexp_client, P1_CONFIG,
-				       0xff & ~(1 << P1_SPARE_LBN));
-	if (rc)
-		goto fail_on;
-
-	/* If PHY power is on, turn it all off and wait 1 second to
-	 * ensure a full reset.
-	 */
-	rc = i2c_smbus_read_byte_data(ioexp_client, P0_OUT);
-	if (rc < 0)
-		goto fail_on;
-	out = 0xff & ~((0 << P0_EN_1V2_LBN) | (0 << P0_EN_2V5_LBN) |
-		       (0 << P0_EN_3V3X_LBN) | (0 << P0_EN_5V_LBN) |
-		       (0 << P0_EN_1V0X_LBN));
-	if (rc != out) {
-		EFX_INFO(efx, "power-cycling PHY\n");
-		rc = i2c_smbus_write_byte_data(ioexp_client, P0_OUT, out);
-		if (rc)
-			goto fail_on;
-		schedule_timeout_uninterruptible(HZ);
-	}
-
-	for (i = 0; i < 20; ++i) {
-		/* Turn on 1.2V, 2.5V, 3.3V and 5V power rails */
-		out = 0xff & ~((1 << P0_EN_1V2_LBN) | (1 << P0_EN_2V5_LBN) |
-			       (1 << P0_EN_3V3X_LBN) | (1 << P0_EN_5V_LBN) |
-			       (1 << P0_X_TRST_LBN));
-		if (efx->phy_mode & PHY_MODE_SPECIAL)
-			out |= 1 << P0_EN_3V3X_LBN;
-
-		rc = i2c_smbus_write_byte_data(ioexp_client, P0_OUT, out);
-		if (rc)
-			goto fail_on;
-		msleep(10);
-
-		/* Turn on 1V power rail */
-		out &= ~(1 << P0_EN_1V0X_LBN);
-		rc = i2c_smbus_write_byte_data(ioexp_client, P0_OUT, out);
-		if (rc)
-			goto fail_on;
-
-		EFX_INFO(efx, "waiting for DSP boot (attempt %d)...\n", i);
-
-		/* In flash config mode, DSP does not turn on AFE, so
-		 * just wait 1 second.
-		 */
-		if (efx->phy_mode & PHY_MODE_SPECIAL) {
-			schedule_timeout_uninterruptible(HZ);
-			return 0;
-		}
-
-		for (j = 0; j < 10; ++j) {
-			msleep(100);
-
-			/* Check DSP has asserted AFE power line */
-			rc = i2c_smbus_read_byte_data(ioexp_client, P1_IN);
-			if (rc < 0)
-				goto fail_on;
-			if (rc & (1 << P1_AFE_PWD_LBN))
-				return 0;
-		}
-	}
-
-	EFX_INFO(efx, "timed out waiting for DSP boot\n");
-	rc = -ETIMEDOUT;
-fail_on:
-	sfe4001_poweroff(efx);
-	return rc;
-}
-
-static int sfn4111t_reset(struct efx_nic *efx)
-{
-	efx_oword_t reg;
-
-	/* GPIO 3 and the GPIO register are shared with I2C, so block that */
-	mutex_lock(&efx->i2c_adap.bus_lock);
-
-	/* Pull RST_N (GPIO 2) low then let it up again, setting the
-	 * FLASH_CFG_1 strap (GPIO 3) appropriately.  Only change the
-	 * output enables; the output levels should always be 0 (low)
-	 * and we rely on external pull-ups. */
-	falcon_read(efx, &reg, GPIO_CTL_REG_KER);
-	EFX_SET_OWORD_FIELD(reg, GPIO2_OEN, true);
-	falcon_write(efx, &reg, GPIO_CTL_REG_KER);
-	msleep(1000);
-	EFX_SET_OWORD_FIELD(reg, GPIO2_OEN, false);
-	EFX_SET_OWORD_FIELD(reg, GPIO3_OEN,
-			    !!(efx->phy_mode & PHY_MODE_SPECIAL));
-	falcon_write(efx, &reg, GPIO_CTL_REG_KER);
-	msleep(1);
-
-	mutex_unlock(&efx->i2c_adap.bus_lock);
-
-	ssleep(1);
-	return 0;
-}
-
-static ssize_t show_phy_flash_cfg(struct device *dev,
-				  struct device_attribute *attr, char *buf)
-{
-	struct efx_nic *efx = pci_get_drvdata(to_pci_dev(dev));
-	return sprintf(buf, "%d\n", !!(efx->phy_mode & PHY_MODE_SPECIAL));
-}
-
-static ssize_t set_phy_flash_cfg(struct device *dev,
-				 struct device_attribute *attr,
-				 const char *buf, size_t count)
-{
-	struct efx_nic *efx = pci_get_drvdata(to_pci_dev(dev));
-	enum efx_phy_mode old_mode, new_mode;
-	int err;
-
-	rtnl_lock();
-	old_mode = efx->phy_mode;
-	if (count == 0 || *buf == '0')
-		new_mode = old_mode & ~PHY_MODE_SPECIAL;
-	else
-		new_mode = PHY_MODE_SPECIAL;
-	if (old_mode == new_mode) {
-		err = 0;
-	} else if (efx->state != STATE_RUNNING || netif_running(efx->net_dev)) {
-		err = -EBUSY;
-	} else {
-		/* Reset the PHY, reconfigure the MAC and enable/disable
-		 * MAC stats accordingly. */
-		efx->phy_mode = new_mode;
-		if (new_mode & PHY_MODE_SPECIAL)
-			efx_stats_disable(efx);
-		if (efx->board_info.type == FALCON_BOARD_SFE4001)
-			err = sfe4001_poweron(efx);
-		else
-			err = sfn4111t_reset(efx);
-		efx_reconfigure_port(efx);
-		if (!(new_mode & PHY_MODE_SPECIAL))
-			efx_stats_enable(efx);
-	}
-	rtnl_unlock();
-
-	return err ? err : count;
-}
-
-static DEVICE_ATTR(phy_flash_cfg, 0644, show_phy_flash_cfg, set_phy_flash_cfg);
-
-static void sfe4001_fini(struct efx_nic *efx)
-{
-	EFX_INFO(efx, "%s\n", __func__);
-
-	device_remove_file(&efx->pci_dev->dev, &dev_attr_phy_flash_cfg);
-	sfe4001_poweroff(efx);
-	i2c_unregister_device(efx->board_info.ioexp_client);
-	i2c_unregister_device(efx->board_info.hwmon_client);
-}
-
-static int sfe4001_check_hw(struct efx_nic *efx)
-{
-	s32 status;
-
-	/* If XAUI link is up then do not monitor */
-	if (EFX_WORKAROUND_7884(efx) && efx->mac_up)
-		return 0;
-
-	/* Check the powered status of the PHY. Lack of power implies that
-	 * the MAX6647 has shut down power to it, probably due to a temp.
-	 * alarm. Reading the power status rather than the MAX6647 status
-	 * directly because the later is read-to-clear and would thus
-	 * start to power up the PHY again when polled, causing us to blip
-	 * the power undesirably.
-	 * We know we can read from the IO expander because we did
-	 * it during power-on. Assume failure now is bad news. */
-	status = i2c_smbus_read_byte_data(efx->board_info.ioexp_client, P1_IN);
-	if (status >= 0 &&
-	    (status & ((1 << P1_AFE_PWD_LBN) | (1 << P1_DSP_PWD25_LBN))) != 0)
-		return 0;
-
-	/* Use board power control, not PHY power control */
-	sfe4001_poweroff(efx);
-	efx->phy_mode = PHY_MODE_OFF;
-
-	return (status < 0) ? -EIO : -ERANGE;
-}
-
-static struct i2c_board_info sfe4001_hwmon_info = {
-	I2C_BOARD_INFO("max6647", 0x4e),
-};
-
-/* This board uses an I2C expander to provider power to the PHY, which needs to
- * be turned on before the PHY can be used.
- * Context: Process context, rtnl lock held
- */
-int sfe4001_init(struct efx_nic *efx)
-{
-	int rc;
-
-#if defined(CONFIG_SENSORS_LM90) || defined(CONFIG_SENSORS_LM90_MODULE)
-	efx->board_info.hwmon_client =
-		i2c_new_device(&efx->i2c_adap, &sfe4001_hwmon_info);
-#else
-	efx->board_info.hwmon_client =
-		i2c_new_dummy(&efx->i2c_adap, sfe4001_hwmon_info.addr);
-#endif
-	if (!efx->board_info.hwmon_client)
-		return -EIO;
-
-	/* Raise board/PHY high limit from 85 to 90 degrees Celsius */
-	rc = i2c_smbus_write_byte_data(efx->board_info.hwmon_client,
-				       MAX664X_REG_WLHO, 90);
-	if (rc)
-		goto fail_hwmon;
-
-	efx->board_info.ioexp_client = i2c_new_dummy(&efx->i2c_adap, PCA9539);
-	if (!efx->board_info.ioexp_client) {
-		rc = -EIO;
-		goto fail_hwmon;
-	}
-
-	/* 10Xpress has fixed-function LED pins, so there is no board-specific
-	 * blink code. */
-	efx->board_info.blink = tenxpress_phy_blink;
-
-	efx->board_info.monitor = sfe4001_check_hw;
-	efx->board_info.fini = sfe4001_fini;
-
-	if (efx->phy_mode & PHY_MODE_SPECIAL) {
-		/* PHY won't generate a 156.25 MHz clock and MAC stats fetch
-		 * will fail. */
-		efx_stats_disable(efx);
-	}
-	rc = sfe4001_poweron(efx);
-	if (rc)
-		goto fail_ioexp;
-
-	rc = device_create_file(&efx->pci_dev->dev, &dev_attr_phy_flash_cfg);
-	if (rc)
-		goto fail_on;
-
-	EFX_INFO(efx, "PHY is powered on\n");
-	return 0;
-
-fail_on:
-	sfe4001_poweroff(efx);
-fail_ioexp:
-	i2c_unregister_device(efx->board_info.ioexp_client);
-fail_hwmon:
-	i2c_unregister_device(efx->board_info.hwmon_client);
-	return rc;
-}
-
-static int sfn4111t_check_hw(struct efx_nic *efx)
-{
-	s32 status;
-
-	/* If XAUI link is up then do not monitor */
-	if (EFX_WORKAROUND_7884(efx) && efx->mac_up)
-		return 0;
-
-	/* Test LHIGH, RHIGH, FAULT, EOT and IOT alarms */
-	status = i2c_smbus_read_byte_data(efx->board_info.hwmon_client,
-					  MAX664X_REG_RSL);
-	if (status < 0)
-		return -EIO;
-	if (status & 0x57)
-		return -ERANGE;
-	return 0;
-}
-
-static void sfn4111t_fini(struct efx_nic *efx)
-{
-	EFX_INFO(efx, "%s\n", __func__);
-
-	device_remove_file(&efx->pci_dev->dev, &dev_attr_phy_flash_cfg);
-	i2c_unregister_device(efx->board_info.hwmon_client);
-}
-
-static struct i2c_board_info sfn4111t_a0_hwmon_info = {
-	I2C_BOARD_INFO("max6647", 0x4e),
-};
-
-static struct i2c_board_info sfn4111t_r5_hwmon_info = {
-	I2C_BOARD_INFO("max6646", 0x4d),
-};
-
-int sfn4111t_init(struct efx_nic *efx)
-{
-	int i = 0;
-	int rc;
-
-	efx->board_info.hwmon_client =
-		i2c_new_device(&efx->i2c_adap,
-			       (efx->board_info.minor < 5) ?
-			       &sfn4111t_a0_hwmon_info :
-			       &sfn4111t_r5_hwmon_info);
-	if (!efx->board_info.hwmon_client)
-		return -EIO;
-
-	efx->board_info.blink = tenxpress_phy_blink;
-	efx->board_info.monitor = sfn4111t_check_hw;
-	efx->board_info.fini = sfn4111t_fini;
-
-	rc = device_create_file(&efx->pci_dev->dev, &dev_attr_phy_flash_cfg);
-	if (rc)
-		goto fail_hwmon;
-
-	do {
-		if (efx->phy_mode & PHY_MODE_SPECIAL) {
-			/* PHY may not generate a 156.25 MHz clock and MAC
-			 * stats fetch will fail. */
-			efx_stats_disable(efx);
-			sfn4111t_reset(efx);
-		}
-		rc = sft9001_wait_boot(efx);
-		if (rc == 0)
-			return 0;
-		efx->phy_mode = PHY_MODE_SPECIAL;
-	} while (rc == -EINVAL && ++i < 2);
-
-	device_remove_file(&efx->pci_dev->dev, &dev_attr_phy_flash_cfg);
-fail_hwmon:
-	i2c_unregister_device(efx->board_info.hwmon_client);
-	return rc;
-}
-- 
GitLab


From 5087b54ddc4f3a1007c0984177934c016d884639 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 23 Oct 2009 08:29:51 +0000
Subject: [PATCH 0403/1815] sfc: Remove boards.h, moving last remaining
 declaration to falcon.h

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/boards.h        | 15 ---------------
 drivers/net/sfc/falcon.c        |  1 -
 drivers/net/sfc/falcon.h        |  2 ++
 drivers/net/sfc/falcon_boards.c |  1 -
 drivers/net/sfc/falcon_xmac.c   |  1 -
 drivers/net/sfc/mdio_10g.c      |  1 -
 drivers/net/sfc/mdio_10g.h      |  1 -
 drivers/net/sfc/selftest.c      |  1 -
 drivers/net/sfc/tenxpress.c     |  1 -
 9 files changed, 2 insertions(+), 22 deletions(-)
 delete mode 100644 drivers/net/sfc/boards.h

diff --git a/drivers/net/sfc/boards.h b/drivers/net/sfc/boards.h
deleted file mode 100644
index aaa72b0fea9..00000000000
--- a/drivers/net/sfc/boards.h
+++ /dev/null
@@ -1,15 +0,0 @@
-/****************************************************************************
- * Driver for Solarflare Solarstorm network controllers and boards
- * Copyright 2007-2008 Solarflare Communications Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation, incorporated herein by reference.
- */
-
-#ifndef EFX_BOARDS_H
-#define EFX_BOARDS_H
-
-extern void falcon_probe_board(struct efx_nic *efx, u16 revision_info);
-
-#endif
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index abc6b632df9..eed8d1f98dd 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -26,7 +26,6 @@
 #include "falcon_io.h"
 #include "mdio_10g.h"
 #include "phy.h"
-#include "boards.h"
 #include "workarounds.h"
 
 /* Falcon hardware control.
diff --git a/drivers/net/sfc/falcon.h b/drivers/net/sfc/falcon.h
index 77f2e0db7ca..8d232bf612e 100644
--- a/drivers/net/sfc/falcon.h
+++ b/drivers/net/sfc/falcon.h
@@ -39,6 +39,8 @@ extern struct efx_nic_type falcon_b_nic_type;
  **************************************************************************
  */
 
+extern void falcon_probe_board(struct efx_nic *efx, u16 revision_info);
+
 /* TX data path */
 extern int falcon_probe_tx(struct efx_tx_queue *tx_queue);
 extern void falcon_init_tx(struct efx_tx_queue *tx_queue);
diff --git a/drivers/net/sfc/falcon_boards.c b/drivers/net/sfc/falcon_boards.c
index cae16566511..ab940756ac7 100644
--- a/drivers/net/sfc/falcon_boards.c
+++ b/drivers/net/sfc/falcon_boards.c
@@ -11,7 +11,6 @@
 
 #include "net_driver.h"
 #include "phy.h"
-#include "boards.h"
 #include "efx.h"
 #include "falcon.h"
 #include "falcon_hwdefs.h"
diff --git a/drivers/net/sfc/falcon_xmac.c b/drivers/net/sfc/falcon_xmac.c
index bec52ca37ee..b486a2b317b 100644
--- a/drivers/net/sfc/falcon_xmac.c
+++ b/drivers/net/sfc/falcon_xmac.c
@@ -17,7 +17,6 @@
 #include "mac.h"
 #include "mdio_10g.h"
 #include "phy.h"
-#include "boards.h"
 #include "workarounds.h"
 
 /**************************************************************************
diff --git a/drivers/net/sfc/mdio_10g.c b/drivers/net/sfc/mdio_10g.c
index 6c33459f9ea..b355872de6c 100644
--- a/drivers/net/sfc/mdio_10g.c
+++ b/drivers/net/sfc/mdio_10g.c
@@ -14,7 +14,6 @@
 #include <linux/delay.h>
 #include "net_driver.h"
 #include "mdio_10g.h"
-#include "boards.h"
 #include "workarounds.h"
 
 unsigned efx_mdio_id_oui(u32 id)
diff --git a/drivers/net/sfc/mdio_10g.h b/drivers/net/sfc/mdio_10g.h
index 6b14421a744..75b37f10123 100644
--- a/drivers/net/sfc/mdio_10g.h
+++ b/drivers/net/sfc/mdio_10g.h
@@ -17,7 +17,6 @@
  */
 
 #include "efx.h"
-#include "boards.h"
 
 static inline unsigned efx_mdio_id_rev(u32 id) { return id & 0xf; }
 static inline unsigned efx_mdio_id_model(u32 id) { return (id >> 4) & 0x3f; }
diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c
index 817c7efc11e..4a7be1cc506 100644
--- a/drivers/net/sfc/selftest.c
+++ b/drivers/net/sfc/selftest.c
@@ -24,7 +24,6 @@
 #include "efx.h"
 #include "falcon.h"
 #include "selftest.h"
-#include "boards.h"
 #include "workarounds.h"
 #include "spi.h"
 #include "falcon_io.h"
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c
index 352cc560ed4..f5797a3e1fe 100644
--- a/drivers/net/sfc/tenxpress.c
+++ b/drivers/net/sfc/tenxpress.c
@@ -15,7 +15,6 @@
 #include "falcon.h"
 #include "phy.h"
 #include "falcon_hwdefs.h"
-#include "boards.h"
 #include "workarounds.h"
 #include "selftest.h"
 
-- 
GitLab


From 56241ceb9e75fc1a5fb142a754096ad6c6ab19ee Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 23 Oct 2009 08:30:06 +0000
Subject: [PATCH 0404/1815] sfc: Remove versioned bitfield macros

These macros are not extensible to more than two NIC types without
repetition of register definitions, and they are only used to deal
with a few fields in RX_CFG_REG and global events which moved between
Falcon rev A1 and B0.

Therefore:
- Move RX_CFG_REG initialisation into its own function which tests the
  NIC revision just once
- Explicitly test the NIC revision when checking the RX_RECOVERY flag in
  global events
- Merge definitions of RX_XOFF_MAC_EN flag, which did not move
- Remove the macro definitions

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/bitfield.h      | 13 -------
 drivers/net/sfc/falcon.c        | 67 ++++++++++++++++++++++-----------
 drivers/net/sfc/falcon_hwdefs.h |  7 ++--
 3 files changed, 47 insertions(+), 40 deletions(-)

diff --git a/drivers/net/sfc/bitfield.h b/drivers/net/sfc/bitfield.h
index d54d84c267b..6ad909bba95 100644
--- a/drivers/net/sfc/bitfield.h
+++ b/drivers/net/sfc/bitfield.h
@@ -520,19 +520,6 @@ typedef union efx_oword {
 #define EFX_SET_QWORD_FIELD EFX_SET_QWORD_FIELD32
 #endif
 
-#define EFX_SET_OWORD_FIELD_VER(efx, oword, field, value) do { \
-	if (falcon_rev(efx) >= FALCON_REV_B0) {			   \
-		EFX_SET_OWORD_FIELD((oword), field##_B0, (value)); \
-	} else { \
-		EFX_SET_OWORD_FIELD((oword), field##_A1, (value)); \
-	} \
-} while (0)
-
-#define EFX_QWORD_FIELD_VER(efx, qword, field)	\
-	(falcon_rev(efx) >= FALCON_REV_B0 ?	\
-	 EFX_QWORD_FIELD((qword), field##_B0) :	\
-	 EFX_QWORD_FIELD((qword), field##_A1))
-
 /* Used to avoid compiler warnings about shift range exceeding width
  * of the data types when dma_addr_t is only 32 bits wide.
  */
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index eed8d1f98dd..4cb98d473c4 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -929,7 +929,9 @@ static void falcon_handle_global_event(struct efx_channel *channel,
 		handled = true;
 	}
 
-	if (EFX_QWORD_FIELD_VER(efx, *event, RX_RECOVERY)) {
+	if (falcon_rev(efx) <= FALCON_REV_A1 ?
+	    EFX_QWORD_FIELD(*event, RX_RECOVERY_A1) :
+	    EFX_QWORD_FIELD(*event, RX_RECOVERY_B0)) {
 		EFX_ERR(efx, "channel %d seen global RX_RESET "
 			"event. Resetting.\n", channel->channel);
 
@@ -2006,7 +2008,7 @@ void falcon_reconfigure_mac_wrapper(struct efx_nic *efx)
 	 * Action on receipt of pause frames is controller by XM_DIS_FCNTL */
 	tx_fc = !!(efx->link_fc & EFX_FC_TX);
 	falcon_read(efx, &reg, RX_CFG_REG_KER);
-	EFX_SET_OWORD_FIELD_VER(efx, reg, RX_XOFF_MAC_EN, tx_fc);
+	EFX_SET_OWORD_FIELD(reg, RX_XOFF_MAC_EN, tx_fc);
 
 	/* Unisolate the MAC -> RX */
 	if (falcon_rev(efx) >= FALCON_REV_B0)
@@ -2910,6 +2912,45 @@ int falcon_probe_nic(struct efx_nic *efx)
 	return rc;
 }
 
+static void falcon_init_rx_cfg(struct efx_nic *efx)
+{
+	/* Prior to Siena the RX DMA engine will split each frame at
+	 * intervals of RX_USR_BUF_SIZE (32-byte units). We set it to
+	 * be so large that that never happens. */
+	const unsigned huge_buf_size = (3 * 4096) >> 5;
+	/* RX control FIFO thresholds (32 entries) */
+	const unsigned ctrl_xon_thr = 20;
+	const unsigned ctrl_xoff_thr = 25;
+	/* RX data FIFO thresholds (256-byte units; size varies) */
+	unsigned data_xon_thr =
+		((rx_xon_thresh_bytes >= 0) ?
+		 rx_xon_thresh_bytes : efx->type->rx_xon_thresh) >> 8;
+	unsigned data_xoff_thr =
+		((rx_xoff_thresh_bytes >= 0) ?
+		 rx_xoff_thresh_bytes : efx->type->rx_xoff_thresh) >> 8;
+	efx_oword_t reg;
+
+	falcon_read(efx, &reg, RX_CFG_REG_KER);
+	if (falcon_rev(efx) <= FALCON_REV_A1) {
+		EFX_SET_OWORD_FIELD(reg, RX_DESC_PUSH_EN_A1, 0);
+		EFX_SET_OWORD_FIELD(reg, RX_USR_BUF_SIZE_A1, huge_buf_size);
+		EFX_SET_OWORD_FIELD(reg, RX_XON_MAC_TH_A1, data_xon_thr);
+		EFX_SET_OWORD_FIELD(reg, RX_XOFF_MAC_TH_A1, data_xoff_thr);
+		EFX_SET_OWORD_FIELD(reg, RX_XON_TX_TH_A1, ctrl_xon_thr);
+		EFX_SET_OWORD_FIELD(reg, RX_XOFF_TX_TH_A1, ctrl_xoff_thr);
+	} else {
+		/* Register fields moved */
+		EFX_SET_OWORD_FIELD(reg, RX_DESC_PUSH_EN_B0, 0);
+		EFX_SET_OWORD_FIELD(reg, RX_USR_BUF_SIZE_B0, huge_buf_size);
+		EFX_SET_OWORD_FIELD(reg, RX_XON_MAC_TH_B0, data_xon_thr);
+		EFX_SET_OWORD_FIELD(reg, RX_XOFF_MAC_TH_B0, data_xoff_thr);
+		EFX_SET_OWORD_FIELD(reg, RX_XON_TX_TH_B0, ctrl_xon_thr);
+		EFX_SET_OWORD_FIELD(reg, RX_XOFF_TX_TH_B0, ctrl_xoff_thr);
+		EFX_SET_OWORD_FIELD(reg, RX_INGR_EN_B0, 1);
+	}
+	falcon_write(efx, &reg, RX_CFG_REG_KER);
+}
+
 /* This call performs hardware-specific global initialisation, such as
  * defining the descriptor cache sizes and number of RSS channels.
  * It does not set up any buffers, descriptor rings or event queues.
@@ -2917,7 +2958,6 @@ int falcon_probe_nic(struct efx_nic *efx)
 int falcon_init_nic(struct efx_nic *efx)
 {
 	efx_oword_t temp;
-	unsigned thresh;
 	int rc;
 
 	/* Use on-chip SRAM */
@@ -3024,26 +3064,7 @@ int falcon_init_nic(struct efx_nic *efx)
 	EFX_SET_OWORD_FIELD(temp, TX_NO_EOP_DISC_EN, 0);
 	falcon_write(efx, &temp, TX_CFG_REG_KER);
 
-	/* RX config */
-	falcon_read(efx, &temp, RX_CFG_REG_KER);
-	EFX_SET_OWORD_FIELD_VER(efx, temp, RX_DESC_PUSH_EN, 0);
-	if (EFX_WORKAROUND_7575(efx))
-		EFX_SET_OWORD_FIELD_VER(efx, temp, RX_USR_BUF_SIZE,
-					(3 * 4096) / 32);
-	if (falcon_rev(efx) >= FALCON_REV_B0)
-		EFX_SET_OWORD_FIELD(temp, RX_INGR_EN_B0, 1);
-
-	/* RX FIFO flow control thresholds */
-	thresh = ((rx_xon_thresh_bytes >= 0) ?
-		  rx_xon_thresh_bytes : efx->type->rx_xon_thresh);
-	EFX_SET_OWORD_FIELD_VER(efx, temp, RX_XON_MAC_TH, thresh / 256);
-	thresh = ((rx_xoff_thresh_bytes >= 0) ?
-		  rx_xoff_thresh_bytes : efx->type->rx_xoff_thresh);
-	EFX_SET_OWORD_FIELD_VER(efx, temp, RX_XOFF_MAC_TH, thresh / 256);
-	/* RX control FIFO thresholds [32 entries] */
-	EFX_SET_OWORD_FIELD_VER(efx, temp, RX_XON_TX_TH, 20);
-	EFX_SET_OWORD_FIELD_VER(efx, temp, RX_XOFF_TX_TH, 25);
-	falcon_write(efx, &temp, RX_CFG_REG_KER);
+	falcon_init_rx_cfg(efx);
 
 	/* Set destination of both TX and RX Flush events */
 	if (falcon_rev(efx) >= FALCON_REV_B0) {
diff --git a/drivers/net/sfc/falcon_hwdefs.h b/drivers/net/sfc/falcon_hwdefs.h
index 2d2261117ac..13f3999449f 100644
--- a/drivers/net/sfc/falcon_hwdefs.h
+++ b/drivers/net/sfc/falcon_hwdefs.h
@@ -313,8 +313,6 @@
 #define RX_XON_MAC_TH_B0_WIDTH 9
 #define RX_XOFF_MAC_TH_B0_LBN 1
 #define RX_XOFF_MAC_TH_B0_WIDTH 9
-#define RX_XOFF_MAC_EN_B0_LBN 0
-#define RX_XOFF_MAC_EN_B0_WIDTH 1
 
 /* A1 */
 #define RX_DESC_PUSH_EN_A1_LBN 35
@@ -329,8 +327,9 @@
 #define RX_XON_MAC_TH_A1_WIDTH 5
 #define RX_XOFF_MAC_TH_A1_LBN 1
 #define RX_XOFF_MAC_TH_A1_WIDTH 5
-#define RX_XOFF_MAC_EN_A1_LBN 0
-#define RX_XOFF_MAC_EN_A1_WIDTH 1
+
+#define RX_XOFF_MAC_EN_LBN 0
+#define RX_XOFF_MAC_EN_WIDTH 1
 
 /* Receive filter control register */
 #define RX_FILTER_CTL_REG 0x810
-- 
GitLab


From 625b451455cebb7120492766c8425b6e808fc209 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 23 Oct 2009 08:30:17 +0000
Subject: [PATCH 0405/1815] sfc: Move RX data FIFO thresholds out of struct
 efx_nic_type

Since there are now separate blocks of code to set the thresholds for
each NIC type, it is no longer useful to include them in the NIC type
description.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/falcon.c     | 23 ++++++++++++-----------
 drivers/net/sfc/net_driver.h |  4 ----
 2 files changed, 12 insertions(+), 15 deletions(-)

diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 4cb98d473c4..c23e8e2b094 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -2922,16 +2922,17 @@ static void falcon_init_rx_cfg(struct efx_nic *efx)
 	const unsigned ctrl_xon_thr = 20;
 	const unsigned ctrl_xoff_thr = 25;
 	/* RX data FIFO thresholds (256-byte units; size varies) */
-	unsigned data_xon_thr =
-		((rx_xon_thresh_bytes >= 0) ?
-		 rx_xon_thresh_bytes : efx->type->rx_xon_thresh) >> 8;
-	unsigned data_xoff_thr =
-		((rx_xoff_thresh_bytes >= 0) ?
-		 rx_xoff_thresh_bytes : efx->type->rx_xoff_thresh) >> 8;
+	int data_xon_thr = rx_xon_thresh_bytes >> 8;
+	int data_xoff_thr = rx_xoff_thresh_bytes >> 8;
 	efx_oword_t reg;
 
 	falcon_read(efx, &reg, RX_CFG_REG_KER);
 	if (falcon_rev(efx) <= FALCON_REV_A1) {
+		/* Data FIFO size is 5.5K */
+		if (data_xon_thr < 0)
+			data_xon_thr = 512 >> 8;
+		if (data_xoff_thr < 0)
+			data_xoff_thr = 2048 >> 8;
 		EFX_SET_OWORD_FIELD(reg, RX_DESC_PUSH_EN_A1, 0);
 		EFX_SET_OWORD_FIELD(reg, RX_USR_BUF_SIZE_A1, huge_buf_size);
 		EFX_SET_OWORD_FIELD(reg, RX_XON_MAC_TH_A1, data_xon_thr);
@@ -2939,7 +2940,11 @@ static void falcon_init_rx_cfg(struct efx_nic *efx)
 		EFX_SET_OWORD_FIELD(reg, RX_XON_TX_TH_A1, ctrl_xon_thr);
 		EFX_SET_OWORD_FIELD(reg, RX_XOFF_TX_TH_A1, ctrl_xoff_thr);
 	} else {
-		/* Register fields moved */
+		/* Data FIFO size is 80K; register fields moved */
+		if (data_xon_thr < 0)
+			data_xon_thr = 27648 >> 8; /* ~3*max MTU */
+		if (data_xoff_thr < 0)
+			data_xoff_thr = 54272 >> 8; /* ~80Kb - 3*max MTU */
 		EFX_SET_OWORD_FIELD(reg, RX_DESC_PUSH_EN_B0, 0);
 		EFX_SET_OWORD_FIELD(reg, RX_USR_BUF_SIZE_B0, huge_buf_size);
 		EFX_SET_OWORD_FIELD(reg, RX_XON_MAC_TH_B0, data_xon_thr);
@@ -3130,8 +3135,6 @@ struct efx_nic_type falcon_a_nic_type = {
 	.max_dma_mask = FALCON_DMA_MASK,
 	.tx_dma_mask = FALCON_TX_DMA_MASK,
 	.bug5391_mask = 0xf,
-	.rx_xoff_thresh = 2048,
-	.rx_xon_thresh = 512,
 	.rx_buffer_padding = 0x24,
 	.max_interrupt_mode = EFX_INT_MODE_MSI,
 	.phys_addr_channels = 4,
@@ -3154,8 +3157,6 @@ struct efx_nic_type falcon_b_nic_type = {
 	.max_dma_mask = FALCON_DMA_MASK,
 	.tx_dma_mask = FALCON_TX_DMA_MASK,
 	.bug5391_mask = 0,
-	.rx_xoff_thresh = 54272, /* ~80Kb - 3*max MTU */
-	.rx_xon_thresh = 27648,  /* ~3*max MTU */
 	.rx_buffer_padding = 0,
 	.max_interrupt_mode = EFX_INT_MODE_MSIX,
 	.phys_addr_channels = 32, /* Hardware limit is 64, but the legacy
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index 298566da638..479a6fe3831 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -875,8 +875,6 @@ static inline const char *efx_dev_name(struct efx_nic *efx)
  * @max_dma_mask: Maximum possible DMA mask
  * @tx_dma_mask: TX DMA mask
  * @bug5391_mask: Address mask for bug 5391 workaround
- * @rx_xoff_thresh: RX FIFO XOFF watermark (bytes)
- * @rx_xon_thresh: RX FIFO XON watermark (bytes)
  * @rx_buffer_padding: Padding added to each RX buffer
  * @max_interrupt_mode: Highest capability interrupt mode supported
  *	from &enum efx_init_mode.
@@ -899,8 +897,6 @@ struct efx_nic_type {
 	unsigned int tx_dma_mask;
 	unsigned bug5391_mask;
 
-	int rx_xoff_thresh;
-	int rx_xon_thresh;
 	unsigned int rx_buffer_padding;
 	unsigned int max_interrupt_mode;
 	unsigned int phys_addr_channels;
-- 
GitLab


From 3e6c4538542ab2103ab7c01f4458bc2e21b672a1 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 23 Oct 2009 08:30:36 +0000
Subject: [PATCH 0406/1815] sfc: Update hardware definitions for Siena

Siena is still based on the Falcon hardware architecture and will
share many of these definitions, so replace falcon_hwdefs.h with
regs.h.

The new definitions have been generated according to a naming
convention which incorporates the type and revision information.
Update the code accordingly.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/falcon.c        |  848 +++++----
 drivers/net/sfc/falcon_boards.c |   14 +-
 drivers/net/sfc/falcon_gmac.c   |   92 +-
 drivers/net/sfc/falcon_hwdefs.h | 1332 -------------
 drivers/net/sfc/falcon_xmac.c   |  175 +-
 drivers/net/sfc/regs.h          | 3180 +++++++++++++++++++++++++++++++
 drivers/net/sfc/tenxpress.c     |    2 +-
 7 files changed, 3756 insertions(+), 1887 deletions(-)
 delete mode 100644 drivers/net/sfc/falcon_hwdefs.h
 create mode 100644 drivers/net/sfc/regs.h

diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index c23e8e2b094..b35e01031e2 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -22,7 +22,7 @@
 #include "mac.h"
 #include "spi.h"
 #include "falcon.h"
-#include "falcon_hwdefs.h"
+#include "regs.h"
 #include "falcon_io.h"
 #include "mdio_10g.h"
 #include "phy.h"
@@ -109,17 +109,17 @@ module_param(rx_xon_thresh_bytes, int, 0644);
 MODULE_PARM_DESC(rx_xon_thresh_bytes, "RX fifo XON threshold");
 
 /* TX descriptor ring size - min 512 max 4k */
-#define FALCON_TXD_RING_ORDER TX_DESCQ_SIZE_1K
+#define FALCON_TXD_RING_ORDER FFE_AZ_TX_DESCQ_SIZE_1K
 #define FALCON_TXD_RING_SIZE 1024
 #define FALCON_TXD_RING_MASK (FALCON_TXD_RING_SIZE - 1)
 
 /* RX descriptor ring size - min 512 max 4k */
-#define FALCON_RXD_RING_ORDER RX_DESCQ_SIZE_1K
+#define FALCON_RXD_RING_ORDER FFE_AZ_RX_DESCQ_SIZE_1K
 #define FALCON_RXD_RING_SIZE 1024
 #define FALCON_RXD_RING_MASK (FALCON_RXD_RING_SIZE - 1)
 
 /* Event queue size - max 32k */
-#define FALCON_EVQ_ORDER EVQ_SIZE_4K
+#define FALCON_EVQ_ORDER FFE_AZ_EVQ_SIZE_4K
 #define FALCON_EVQ_SIZE 4096
 #define FALCON_EVQ_MASK (FALCON_EVQ_SIZE - 1)
 
@@ -199,9 +199,9 @@ static void falcon_setsda(void *data, int state)
 	struct efx_nic *efx = (struct efx_nic *)data;
 	efx_oword_t reg;
 
-	falcon_read(efx, &reg, GPIO_CTL_REG_KER);
-	EFX_SET_OWORD_FIELD(reg, GPIO3_OEN, !state);
-	falcon_write(efx, &reg, GPIO_CTL_REG_KER);
+	falcon_read(efx, &reg, FR_AB_GPIO_CTL);
+	EFX_SET_OWORD_FIELD(reg, FRF_AB_GPIO3_OEN, !state);
+	falcon_write(efx, &reg, FR_AB_GPIO_CTL);
 }
 
 static void falcon_setscl(void *data, int state)
@@ -209,9 +209,9 @@ static void falcon_setscl(void *data, int state)
 	struct efx_nic *efx = (struct efx_nic *)data;
 	efx_oword_t reg;
 
-	falcon_read(efx, &reg, GPIO_CTL_REG_KER);
-	EFX_SET_OWORD_FIELD(reg, GPIO0_OEN, !state);
-	falcon_write(efx, &reg, GPIO_CTL_REG_KER);
+	falcon_read(efx, &reg, FR_AB_GPIO_CTL);
+	EFX_SET_OWORD_FIELD(reg, FRF_AB_GPIO0_OEN, !state);
+	falcon_write(efx, &reg, FR_AB_GPIO_CTL);
 }
 
 static int falcon_getsda(void *data)
@@ -219,8 +219,8 @@ static int falcon_getsda(void *data)
 	struct efx_nic *efx = (struct efx_nic *)data;
 	efx_oword_t reg;
 
-	falcon_read(efx, &reg, GPIO_CTL_REG_KER);
-	return EFX_OWORD_FIELD(reg, GPIO3_IN);
+	falcon_read(efx, &reg, FR_AB_GPIO_CTL);
+	return EFX_OWORD_FIELD(reg, FRF_AB_GPIO3_IN);
 }
 
 static int falcon_getscl(void *data)
@@ -228,8 +228,8 @@ static int falcon_getscl(void *data)
 	struct efx_nic *efx = (struct efx_nic *)data;
 	efx_oword_t reg;
 
-	falcon_read(efx, &reg, GPIO_CTL_REG_KER);
-	return EFX_OWORD_FIELD(reg, GPIO0_IN);
+	falcon_read(efx, &reg, FR_AB_GPIO_CTL);
+	return EFX_OWORD_FIELD(reg, FRF_AB_GPIO0_IN);
 }
 
 static struct i2c_algo_bit_data falcon_i2c_bit_operations = {
@@ -274,11 +274,10 @@ falcon_init_special_buffer(struct efx_nic *efx,
 		dma_addr = buffer->dma_addr + (i * 4096);
 		EFX_LOG(efx, "mapping special buffer %d at %llx\n",
 			index, (unsigned long long)dma_addr);
-		EFX_POPULATE_QWORD_4(buf_desc,
-				     IP_DAT_BUF_SIZE, IP_DAT_BUF_SIZE_4K,
-				     BUF_ADR_REGION, 0,
-				     BUF_ADR_FBUF, (dma_addr >> 12),
-				     BUF_OWNER_ID_FBUF, 0);
+		EFX_POPULATE_QWORD_3(buf_desc,
+				     FRF_AZ_BUF_ADR_REGION, 0,
+				     FRF_AZ_BUF_ADR_FBUF, dma_addr >> 12,
+				     FRF_AZ_BUF_OWNER_ID_FBUF, 0);
 		falcon_write_sram(efx, &buf_desc, index);
 	}
 }
@@ -299,11 +298,11 @@ falcon_fini_special_buffer(struct efx_nic *efx,
 		buffer->index, buffer->index + buffer->entries - 1);
 
 	EFX_POPULATE_OWORD_4(buf_tbl_upd,
-			     BUF_UPD_CMD, 0,
-			     BUF_CLR_CMD, 1,
-			     BUF_CLR_END_ID, end,
-			     BUF_CLR_START_ID, start);
-	falcon_write(efx, &buf_tbl_upd, BUF_TBL_UPD_REG_KER);
+			     FRF_AZ_BUF_UPD_CMD, 0,
+			     FRF_AZ_BUF_CLR_CMD, 1,
+			     FRF_AZ_BUF_CLR_END_ID, end,
+			     FRF_AZ_BUF_CLR_START_ID, start);
+	falcon_write(efx, &buf_tbl_upd, FR_AZ_BUF_TBL_UPD);
 }
 
 /*
@@ -415,9 +414,9 @@ static inline void falcon_notify_tx_desc(struct efx_tx_queue *tx_queue)
 	efx_dword_t reg;
 
 	write_ptr = tx_queue->write_count & FALCON_TXD_RING_MASK;
-	EFX_POPULATE_DWORD_1(reg, TX_DESC_WPTR_DWORD, write_ptr);
+	EFX_POPULATE_DWORD_1(reg, FRF_AZ_TX_DESC_WPTR_DWORD, write_ptr);
 	falcon_writel_page(tx_queue->efx, &reg,
-			   TX_DESC_UPD_REG_KER_DWORD, tx_queue->queue);
+			   FR_AZ_TX_DESC_UPD_DWORD_P0, tx_queue->queue);
 }
 
 
@@ -441,12 +440,11 @@ void falcon_push_buffers(struct efx_tx_queue *tx_queue)
 		++tx_queue->write_count;
 
 		/* Create TX descriptor ring entry */
-		EFX_POPULATE_QWORD_5(*txd,
-				     TX_KER_PORT, 0,
-				     TX_KER_CONT, buffer->continuation,
-				     TX_KER_BYTE_CNT, buffer->len,
-				     TX_KER_BUF_REGION, 0,
-				     TX_KER_BUF_ADR, buffer->dma_addr);
+		EFX_POPULATE_QWORD_4(*txd,
+				     FSF_AZ_TX_KER_CONT, buffer->continuation,
+				     FSF_AZ_TX_KER_BYTE_COUNT, buffer->len,
+				     FSF_AZ_TX_KER_BUF_REGION, 0,
+				     FSF_AZ_TX_KER_BUF_ADDR, buffer->dma_addr);
 	} while (tx_queue->write_count != tx_queue->insert_count);
 
 	wmb(); /* Ensure descriptors are written before they are fetched */
@@ -474,21 +472,23 @@ void falcon_init_tx(struct efx_tx_queue *tx_queue)
 
 	/* Push TX descriptor ring to card */
 	EFX_POPULATE_OWORD_10(tx_desc_ptr,
-			      TX_DESCQ_EN, 1,
-			      TX_ISCSI_DDIG_EN, 0,
-			      TX_ISCSI_HDIG_EN, 0,
-			      TX_DESCQ_BUF_BASE_ID, tx_queue->txd.index,
-			      TX_DESCQ_EVQ_ID, tx_queue->channel->channel,
-			      TX_DESCQ_OWNER_ID, 0,
-			      TX_DESCQ_LABEL, tx_queue->queue,
-			      TX_DESCQ_SIZE, FALCON_TXD_RING_ORDER,
-			      TX_DESCQ_TYPE, 0,
-			      TX_NON_IP_DROP_DIS_B0, 1);
+			      FRF_AZ_TX_DESCQ_EN, 1,
+			      FRF_AZ_TX_ISCSI_DDIG_EN, 0,
+			      FRF_AZ_TX_ISCSI_HDIG_EN, 0,
+			      FRF_AZ_TX_DESCQ_BUF_BASE_ID, tx_queue->txd.index,
+			      FRF_AZ_TX_DESCQ_EVQ_ID,
+			      tx_queue->channel->channel,
+			      FRF_AZ_TX_DESCQ_OWNER_ID, 0,
+			      FRF_AZ_TX_DESCQ_LABEL, tx_queue->queue,
+			      FRF_AZ_TX_DESCQ_SIZE, FALCON_TXD_RING_ORDER,
+			      FRF_AZ_TX_DESCQ_TYPE, 0,
+			      FRF_BZ_TX_NON_IP_DROP_DIS, 1);
 
 	if (falcon_rev(efx) >= FALCON_REV_B0) {
 		int csum = tx_queue->queue == EFX_TX_QUEUE_OFFLOAD_CSUM;
-		EFX_SET_OWORD_FIELD(tx_desc_ptr, TX_IP_CHKSM_DIS_B0, !csum);
-		EFX_SET_OWORD_FIELD(tx_desc_ptr, TX_TCP_CHKSM_DIS_B0, !csum);
+		EFX_SET_OWORD_FIELD(tx_desc_ptr, FRF_BZ_TX_IP_CHKSM_DIS, !csum);
+		EFX_SET_OWORD_FIELD(tx_desc_ptr, FRF_BZ_TX_TCP_CHKSM_DIS,
+				    !csum);
 	}
 
 	falcon_write_table(efx, &tx_desc_ptr, efx->type->txd_ptr_tbl_base,
@@ -500,12 +500,12 @@ void falcon_init_tx(struct efx_tx_queue *tx_queue)
 		/* Only 128 bits in this register */
 		BUILD_BUG_ON(EFX_TX_QUEUE_COUNT >= 128);
 
-		falcon_read(efx, &reg, TX_CHKSM_CFG_REG_KER_A1);
+		falcon_read(efx, &reg, FR_AA_TX_CHKSM_CFG);
 		if (tx_queue->queue == EFX_TX_QUEUE_OFFLOAD_CSUM)
 			clear_bit_le(tx_queue->queue, (void *)&reg);
 		else
 			set_bit_le(tx_queue->queue, (void *)&reg);
-		falcon_write(efx, &reg, TX_CHKSM_CFG_REG_KER_A1);
+		falcon_write(efx, &reg, FR_AA_TX_CHKSM_CFG);
 	}
 }
 
@@ -516,9 +516,9 @@ static void falcon_flush_tx_queue(struct efx_tx_queue *tx_queue)
 
 	/* Post a flush command */
 	EFX_POPULATE_OWORD_2(tx_flush_descq,
-			     TX_FLUSH_DESCQ_CMD, 1,
-			     TX_FLUSH_DESCQ, tx_queue->queue);
-	falcon_write(efx, &tx_flush_descq, TX_FLUSH_DESCQ_REG_KER);
+			     FRF_AZ_TX_FLUSH_DESCQ_CMD, 1,
+			     FRF_AZ_TX_FLUSH_DESCQ, tx_queue->queue);
+	falcon_write(efx, &tx_flush_descq, FR_AZ_TX_FLUSH_DESCQ);
 }
 
 void falcon_fini_tx(struct efx_tx_queue *tx_queue)
@@ -567,11 +567,11 @@ static inline void falcon_build_rx_desc(struct efx_rx_queue *rx_queue,
 	rxd = falcon_rx_desc(rx_queue, index);
 	rx_buf = efx_rx_buffer(rx_queue, index);
 	EFX_POPULATE_QWORD_3(*rxd,
-			     RX_KER_BUF_SIZE,
+			     FSF_AZ_RX_KER_BUF_SIZE,
 			     rx_buf->len -
 			     rx_queue->efx->type->rx_buffer_padding,
-			     RX_KER_BUF_REGION, 0,
-			     RX_KER_BUF_ADR, rx_buf->dma_addr);
+			     FSF_AZ_RX_KER_BUF_REGION, 0,
+			     FSF_AZ_RX_KER_BUF_ADDR, rx_buf->dma_addr);
 }
 
 /* This writes to the RX_DESC_WPTR register for the specified receive
@@ -591,9 +591,9 @@ void falcon_notify_rx_desc(struct efx_rx_queue *rx_queue)
 
 	wmb();
 	write_ptr = rx_queue->added_count & FALCON_RXD_RING_MASK;
-	EFX_POPULATE_DWORD_1(reg, RX_DESC_WPTR_DWORD, write_ptr);
+	EFX_POPULATE_DWORD_1(reg, FRF_AZ_RX_DESC_WPTR_DWORD, write_ptr);
 	falcon_writel_page(rx_queue->efx, &reg,
-			   RX_DESC_UPD_REG_KER_DWORD, rx_queue->queue);
+			   FR_AZ_RX_DESC_UPD_DWORD_P0, rx_queue->queue);
 }
 
 int falcon_probe_rx(struct efx_rx_queue *rx_queue)
@@ -622,17 +622,18 @@ void falcon_init_rx(struct efx_rx_queue *rx_queue)
 
 	/* Push RX descriptor ring to card */
 	EFX_POPULATE_OWORD_10(rx_desc_ptr,
-			      RX_ISCSI_DDIG_EN, iscsi_digest_en,
-			      RX_ISCSI_HDIG_EN, iscsi_digest_en,
-			      RX_DESCQ_BUF_BASE_ID, rx_queue->rxd.index,
-			      RX_DESCQ_EVQ_ID, rx_queue->channel->channel,
-			      RX_DESCQ_OWNER_ID, 0,
-			      RX_DESCQ_LABEL, rx_queue->queue,
-			      RX_DESCQ_SIZE, FALCON_RXD_RING_ORDER,
-			      RX_DESCQ_TYPE, 0 /* kernel queue */ ,
+			      FRF_AZ_RX_ISCSI_DDIG_EN, iscsi_digest_en,
+			      FRF_AZ_RX_ISCSI_HDIG_EN, iscsi_digest_en,
+			      FRF_AZ_RX_DESCQ_BUF_BASE_ID, rx_queue->rxd.index,
+			      FRF_AZ_RX_DESCQ_EVQ_ID,
+			      rx_queue->channel->channel,
+			      FRF_AZ_RX_DESCQ_OWNER_ID, 0,
+			      FRF_AZ_RX_DESCQ_LABEL, rx_queue->queue,
+			      FRF_AZ_RX_DESCQ_SIZE, FALCON_RXD_RING_ORDER,
+			      FRF_AZ_RX_DESCQ_TYPE, 0 /* kernel queue */ ,
 			      /* For >=B0 this is scatter so disable */
-			      RX_DESCQ_JUMBO, !is_b0,
-			      RX_DESCQ_EN, 1);
+			      FRF_AZ_RX_DESCQ_JUMBO, !is_b0,
+			      FRF_AZ_RX_DESCQ_EN, 1);
 	falcon_write_table(efx, &rx_desc_ptr, efx->type->rxd_ptr_tbl_base,
 			   rx_queue->queue);
 }
@@ -644,9 +645,9 @@ static void falcon_flush_rx_queue(struct efx_rx_queue *rx_queue)
 
 	/* Post a flush command */
 	EFX_POPULATE_OWORD_2(rx_flush_descq,
-			     RX_FLUSH_DESCQ_CMD, 1,
-			     RX_FLUSH_DESCQ, rx_queue->queue);
-	falcon_write(efx, &rx_flush_descq, RX_FLUSH_DESCQ_REG_KER);
+			     FRF_AZ_RX_FLUSH_DESCQ_CMD, 1,
+			     FRF_AZ_RX_FLUSH_DESCQ, rx_queue->queue);
+	falcon_write(efx, &rx_flush_descq, FR_AZ_RX_FLUSH_DESCQ);
 }
 
 void falcon_fini_rx(struct efx_rx_queue *rx_queue)
@@ -693,7 +694,7 @@ void falcon_eventq_read_ack(struct efx_channel *channel)
 	efx_dword_t reg;
 	struct efx_nic *efx = channel->efx;
 
-	EFX_POPULATE_DWORD_1(reg, EVQ_RPTR_DWORD, channel->eventq_read_ptr);
+	EFX_POPULATE_DWORD_1(reg, FRF_AZ_EVQ_RPTR, channel->eventq_read_ptr);
 	falcon_writel_table(efx, &reg, efx->type->evq_rptr_tbl_base,
 			    channel->channel);
 }
@@ -703,11 +704,14 @@ void falcon_generate_event(struct efx_channel *channel, efx_qword_t *event)
 {
 	efx_oword_t drv_ev_reg;
 
-	EFX_POPULATE_OWORD_2(drv_ev_reg,
-			     DRV_EV_QID, channel->channel,
-			     DRV_EV_DATA,
-			     EFX_QWORD_FIELD64(*event, WHOLE_EVENT));
-	falcon_write(channel->efx, &drv_ev_reg, DRV_EV_REG_KER);
+	BUILD_BUG_ON(FRF_AZ_DRV_EV_DATA_LBN != 0 ||
+		     FRF_AZ_DRV_EV_DATA_WIDTH != 64);
+	drv_ev_reg.u32[0] = event->u32[0];
+	drv_ev_reg.u32[1] = event->u32[1];
+	drv_ev_reg.u32[2] = 0;
+	drv_ev_reg.u32[3] = 0;
+	EFX_SET_OWORD_FIELD(drv_ev_reg, FRF_AZ_DRV_EV_QID, channel->channel);
+	falcon_write(channel->efx, &drv_ev_reg, FR_AZ_DRV_EV);
 }
 
 /* Handle a transmit completion event
@@ -723,18 +727,18 @@ static void falcon_handle_tx_event(struct efx_channel *channel,
 	struct efx_tx_queue *tx_queue;
 	struct efx_nic *efx = channel->efx;
 
-	if (likely(EFX_QWORD_FIELD(*event, TX_EV_COMP))) {
+	if (likely(EFX_QWORD_FIELD(*event, FSF_AZ_TX_EV_COMP))) {
 		/* Transmit completion */
-		tx_ev_desc_ptr = EFX_QWORD_FIELD(*event, TX_EV_DESC_PTR);
-		tx_ev_q_label = EFX_QWORD_FIELD(*event, TX_EV_Q_LABEL);
+		tx_ev_desc_ptr = EFX_QWORD_FIELD(*event, FSF_AZ_TX_EV_DESC_PTR);
+		tx_ev_q_label = EFX_QWORD_FIELD(*event, FSF_AZ_TX_EV_Q_LABEL);
 		tx_queue = &efx->tx_queue[tx_ev_q_label];
 		channel->irq_mod_score +=
 			(tx_ev_desc_ptr - tx_queue->read_count) &
 			efx->type->txd_ring_mask;
 		efx_xmit_done(tx_queue, tx_ev_desc_ptr);
-	} else if (EFX_QWORD_FIELD(*event, TX_EV_WQ_FF_FULL)) {
+	} else if (EFX_QWORD_FIELD(*event, FSF_AZ_TX_EV_WQ_FF_FULL)) {
 		/* Rewrite the FIFO write pointer */
-		tx_ev_q_label = EFX_QWORD_FIELD(*event, TX_EV_Q_LABEL);
+		tx_ev_q_label = EFX_QWORD_FIELD(*event, FSF_AZ_TX_EV_Q_LABEL);
 		tx_queue = &efx->tx_queue[tx_ev_q_label];
 
 		if (efx_dev_registered(efx))
@@ -742,7 +746,7 @@ static void falcon_handle_tx_event(struct efx_channel *channel,
 		falcon_notify_tx_desc(tx_queue);
 		if (efx_dev_registered(efx))
 			netif_tx_unlock(efx->net_dev);
-	} else if (EFX_QWORD_FIELD(*event, TX_EV_PKT_ERR) &&
+	} else if (EFX_QWORD_FIELD(*event, FSF_AZ_TX_EV_PKT_ERR) &&
 		   EFX_WORKAROUND_10727(efx)) {
 		efx_schedule_reset(efx, RESET_TYPE_TX_DESC_FETCH);
 	} else {
@@ -766,22 +770,22 @@ static void falcon_handle_rx_not_ok(struct efx_rx_queue *rx_queue,
 	bool rx_ev_ip_frag_err, rx_ev_hdr_type, rx_ev_mcast_pkt;
 	unsigned rx_ev_pkt_type;
 
-	rx_ev_hdr_type = EFX_QWORD_FIELD(*event, RX_EV_HDR_TYPE);
-	rx_ev_mcast_pkt = EFX_QWORD_FIELD(*event, RX_EV_MCAST_PKT);
-	rx_ev_tobe_disc = EFX_QWORD_FIELD(*event, RX_EV_TOBE_DISC);
-	rx_ev_pkt_type = EFX_QWORD_FIELD(*event, RX_EV_PKT_TYPE);
+	rx_ev_hdr_type = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_HDR_TYPE);
+	rx_ev_mcast_pkt = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_MCAST_PKT);
+	rx_ev_tobe_disc = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_TOBE_DISC);
+	rx_ev_pkt_type = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_PKT_TYPE);
 	rx_ev_buf_owner_id_err = EFX_QWORD_FIELD(*event,
-						 RX_EV_BUF_OWNER_ID_ERR);
-	rx_ev_ip_frag_err = EFX_QWORD_FIELD(*event, RX_EV_IF_FRAG_ERR);
+						 FSF_AZ_RX_EV_BUF_OWNER_ID_ERR);
+	rx_ev_ip_frag_err = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_IP_FRAG_ERR);
 	rx_ev_ip_hdr_chksum_err = EFX_QWORD_FIELD(*event,
-						  RX_EV_IP_HDR_CHKSUM_ERR);
+						  FSF_AZ_RX_EV_IP_HDR_CHKSUM_ERR);
 	rx_ev_tcp_udp_chksum_err = EFX_QWORD_FIELD(*event,
-						   RX_EV_TCP_UDP_CHKSUM_ERR);
-	rx_ev_eth_crc_err = EFX_QWORD_FIELD(*event, RX_EV_ETH_CRC_ERR);
-	rx_ev_frm_trunc = EFX_QWORD_FIELD(*event, RX_EV_FRM_TRUNC);
+						   FSF_AZ_RX_EV_TCP_UDP_CHKSUM_ERR);
+	rx_ev_eth_crc_err = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_ETH_CRC_ERR);
+	rx_ev_frm_trunc = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_FRM_TRUNC);
 	rx_ev_drib_nib = ((falcon_rev(efx) >= FALCON_REV_B0) ?
-			  0 : EFX_QWORD_FIELD(*event, RX_EV_DRIB_NIB));
-	rx_ev_pause_frm = EFX_QWORD_FIELD(*event, RX_EV_PAUSE_FRM_ERR);
+			  0 : EFX_QWORD_FIELD(*event, FSF_AA_RX_EV_DRIB_NIB));
+	rx_ev_pause_frm = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_PAUSE_FRM_ERR);
 
 	/* Every error apart from tobe_disc and pause_frm */
 	rx_ev_other_err = (rx_ev_drib_nib | rx_ev_tcp_udp_chksum_err |
@@ -865,16 +869,17 @@ static void falcon_handle_rx_event(struct efx_channel *channel,
 	struct efx_nic *efx = channel->efx;
 
 	/* Basic packet information */
-	rx_ev_byte_cnt = EFX_QWORD_FIELD(*event, RX_EV_BYTE_CNT);
-	rx_ev_pkt_ok = EFX_QWORD_FIELD(*event, RX_EV_PKT_OK);
-	rx_ev_hdr_type = EFX_QWORD_FIELD(*event, RX_EV_HDR_TYPE);
-	WARN_ON(EFX_QWORD_FIELD(*event, RX_EV_JUMBO_CONT));
-	WARN_ON(EFX_QWORD_FIELD(*event, RX_EV_SOP) != 1);
-	WARN_ON(EFX_QWORD_FIELD(*event, RX_EV_Q_LABEL) != channel->channel);
+	rx_ev_byte_cnt = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_BYTE_CNT);
+	rx_ev_pkt_ok = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_PKT_OK);
+	rx_ev_hdr_type = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_HDR_TYPE);
+	WARN_ON(EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_JUMBO_CONT));
+	WARN_ON(EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_SOP) != 1);
+	WARN_ON(EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_Q_LABEL) !=
+		channel->channel);
 
 	rx_queue = &efx->rx_queue[channel->channel];
 
-	rx_ev_desc_ptr = EFX_QWORD_FIELD(*event, RX_EV_DESC_PTR);
+	rx_ev_desc_ptr = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_DESC_PTR);
 	expected_ptr = rx_queue->removed_count & FALCON_RXD_RING_MASK;
 	if (unlikely(rx_ev_desc_ptr != expected_ptr))
 		falcon_handle_rx_bad_index(rx_queue, rx_ev_desc_ptr);
@@ -883,7 +888,9 @@ static void falcon_handle_rx_event(struct efx_channel *channel,
 		/* If packet is marked as OK and packet type is TCP/IPv4 or
 		 * UDP/IPv4, then we can rely on the hardware checksum.
 		 */
-		checksummed = RX_EV_HDR_TYPE_HAS_CHECKSUMS(rx_ev_hdr_type);
+		checksummed =
+			rx_ev_hdr_type == FSE_AB_RX_EV_HDR_TYPE_IPV4_TCP ||
+			rx_ev_hdr_type == FSE_AB_RX_EV_HDR_TYPE_IPV4_UDP;
 	} else {
 		falcon_handle_rx_not_ok(rx_queue, event, &rx_ev_pkt_ok,
 					&discard);
@@ -891,10 +898,10 @@ static void falcon_handle_rx_event(struct efx_channel *channel,
 	}
 
 	/* Detect multicast packets that didn't match the filter */
-	rx_ev_mcast_pkt = EFX_QWORD_FIELD(*event, RX_EV_MCAST_PKT);
+	rx_ev_mcast_pkt = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_MCAST_PKT);
 	if (rx_ev_mcast_pkt) {
 		unsigned int rx_ev_mcast_hash_match =
-			EFX_QWORD_FIELD(*event, RX_EV_MCAST_HASH_MATCH);
+			EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_MCAST_HASH_MATCH);
 
 		if (unlikely(!rx_ev_mcast_hash_match))
 			discard = true;
@@ -914,24 +921,23 @@ static void falcon_handle_global_event(struct efx_channel *channel,
 	struct efx_nic *efx = channel->efx;
 	bool handled = false;
 
-	if (EFX_QWORD_FIELD(*event, G_PHY0_INTR) ||
-	    EFX_QWORD_FIELD(*event, G_PHY1_INTR) ||
-	    EFX_QWORD_FIELD(*event, XG_PHY_INTR) ||
-	    EFX_QWORD_FIELD(*event, XFP_PHY_INTR)) {
+	if (EFX_QWORD_FIELD(*event, FSF_AB_GLB_EV_G_PHY0_INTR) ||
+	    EFX_QWORD_FIELD(*event, FSF_AB_GLB_EV_XG_PHY0_INTR) ||
+	    EFX_QWORD_FIELD(*event, FSF_AB_GLB_EV_XFP_PHY0_INTR)) {
 		efx->phy_op->clear_interrupt(efx);
 		queue_work(efx->workqueue, &efx->phy_work);
 		handled = true;
 	}
 
 	if ((falcon_rev(efx) >= FALCON_REV_B0) &&
-	    EFX_QWORD_FIELD(*event, XG_MNT_INTR_B0)) {
+	    EFX_QWORD_FIELD(*event, FSF_BB_GLB_EV_XG_MGT_INTR)) {
 		queue_work(efx->workqueue, &efx->mac_work);
 		handled = true;
 	}
 
 	if (falcon_rev(efx) <= FALCON_REV_A1 ?
-	    EFX_QWORD_FIELD(*event, RX_RECOVERY_A1) :
-	    EFX_QWORD_FIELD(*event, RX_RECOVERY_B0)) {
+	    EFX_QWORD_FIELD(*event, FSF_AA_GLB_EV_RX_RECOVERY) :
+	    EFX_QWORD_FIELD(*event, FSF_BB_GLB_EV_RX_RECOVERY)) {
 		EFX_ERR(efx, "channel %d seen global RX_RESET "
 			"event. Resetting.\n", channel->channel);
 
@@ -954,35 +960,35 @@ static void falcon_handle_driver_event(struct efx_channel *channel,
 	unsigned int ev_sub_code;
 	unsigned int ev_sub_data;
 
-	ev_sub_code = EFX_QWORD_FIELD(*event, DRIVER_EV_SUB_CODE);
-	ev_sub_data = EFX_QWORD_FIELD(*event, DRIVER_EV_SUB_DATA);
+	ev_sub_code = EFX_QWORD_FIELD(*event, FSF_AZ_DRIVER_EV_SUBCODE);
+	ev_sub_data = EFX_QWORD_FIELD(*event, FSF_AZ_DRIVER_EV_SUBDATA);
 
 	switch (ev_sub_code) {
-	case TX_DESCQ_FLS_DONE_EV_DECODE:
+	case FSE_AZ_TX_DESCQ_FLS_DONE_EV:
 		EFX_TRACE(efx, "channel %d TXQ %d flushed\n",
 			  channel->channel, ev_sub_data);
 		break;
-	case RX_DESCQ_FLS_DONE_EV_DECODE:
+	case FSE_AZ_RX_DESCQ_FLS_DONE_EV:
 		EFX_TRACE(efx, "channel %d RXQ %d flushed\n",
 			  channel->channel, ev_sub_data);
 		break;
-	case EVQ_INIT_DONE_EV_DECODE:
+	case FSE_AZ_EVQ_INIT_DONE_EV:
 		EFX_LOG(efx, "channel %d EVQ %d initialised\n",
 			channel->channel, ev_sub_data);
 		break;
-	case SRM_UPD_DONE_EV_DECODE:
+	case FSE_AZ_SRM_UPD_DONE_EV:
 		EFX_TRACE(efx, "channel %d SRAM update done\n",
 			  channel->channel);
 		break;
-	case WAKE_UP_EV_DECODE:
+	case FSE_AZ_WAKE_UP_EV:
 		EFX_TRACE(efx, "channel %d RXQ %d wakeup event\n",
 			  channel->channel, ev_sub_data);
 		break;
-	case TIMER_EV_DECODE:
+	case FSE_AZ_TIMER_EV:
 		EFX_TRACE(efx, "channel %d RX queue %d timer expired\n",
 			  channel->channel, ev_sub_data);
 		break;
-	case RX_RECOVERY_EV_DECODE:
+	case FSE_AA_RX_RECOVER_EV:
 		EFX_ERR(efx, "channel %d seen DRIVER RX_RESET event. "
 			"Resetting.\n", channel->channel);
 		atomic_inc(&efx->rx_reset);
@@ -991,12 +997,12 @@ static void falcon_handle_driver_event(struct efx_channel *channel,
 				   RESET_TYPE_RX_RECOVERY :
 				   RESET_TYPE_DISABLE);
 		break;
-	case RX_DSC_ERROR_EV_DECODE:
+	case FSE_BZ_RX_DSC_ERROR_EV:
 		EFX_ERR(efx, "RX DMA Q %d reports descriptor fetch error."
 			" RX Q %d is disabled.\n", ev_sub_data, ev_sub_data);
 		efx_schedule_reset(efx, RESET_TYPE_RX_DESC_FETCH);
 		break;
-	case TX_DSC_ERROR_EV_DECODE:
+	case FSE_BZ_TX_DSC_ERROR_EV:
 		EFX_ERR(efx, "TX DMA Q %d reports descriptor fetch error."
 			" TX Q %d is disabled.\n", ev_sub_data, ev_sub_data);
 		efx_schedule_reset(efx, RESET_TYPE_TX_DESC_FETCH);
@@ -1032,27 +1038,27 @@ int falcon_process_eventq(struct efx_channel *channel, int rx_quota)
 		/* Clear this event by marking it all ones */
 		EFX_SET_QWORD(*p_event);
 
-		ev_code = EFX_QWORD_FIELD(event, EV_CODE);
+		ev_code = EFX_QWORD_FIELD(event, FSF_AZ_EV_CODE);
 
 		switch (ev_code) {
-		case RX_IP_EV_DECODE:
+		case FSE_AZ_EV_CODE_RX_EV:
 			falcon_handle_rx_event(channel, &event);
 			++rx_packets;
 			break;
-		case TX_IP_EV_DECODE:
+		case FSE_AZ_EV_CODE_TX_EV:
 			falcon_handle_tx_event(channel, &event);
 			break;
-		case DRV_GEN_EV_DECODE:
-			channel->eventq_magic
-				= EFX_QWORD_FIELD(event, EVQ_MAGIC);
+		case FSE_AZ_EV_CODE_DRV_GEN_EV:
+			channel->eventq_magic = EFX_QWORD_FIELD(
+				event, FSF_AZ_DRV_GEN_EV_MAGIC);
 			EFX_LOG(channel->efx, "channel %d received generated "
 				"event "EFX_QWORD_FMT"\n", channel->channel,
 				EFX_QWORD_VAL(event));
 			break;
-		case GLOBAL_EV_DECODE:
+		case FSE_AZ_EV_CODE_GLOBAL_EV:
 			falcon_handle_global_event(channel, &event);
 			break;
-		case DRIVER_EV_DECODE:
+		case FSE_AZ_EV_CODE_DRIVER_EV:
 			falcon_handle_driver_event(channel, &event);
 			break;
 		default:
@@ -1086,16 +1092,19 @@ void falcon_set_int_moderation(struct efx_channel *channel)
 		if (channel->irq_moderation < FALCON_IRQ_MOD_RESOLUTION)
 			channel->irq_moderation = FALCON_IRQ_MOD_RESOLUTION;
 		EFX_POPULATE_DWORD_2(timer_cmd,
-				     TIMER_MODE, TIMER_MODE_INT_HLDOFF,
-				     TIMER_VAL,
+				     FRF_AB_TC_TIMER_MODE,
+				     FFE_BB_TIMER_MODE_INT_HLDOFF,
+				     FRF_AB_TC_TIMER_VAL,
 				     channel->irq_moderation /
 				     FALCON_IRQ_MOD_RESOLUTION - 1);
 	} else {
 		EFX_POPULATE_DWORD_2(timer_cmd,
-				     TIMER_MODE, TIMER_MODE_DIS,
-				     TIMER_VAL, 0);
+				     FRF_AB_TC_TIMER_MODE,
+				     FFE_BB_TIMER_MODE_DIS,
+				     FRF_AB_TC_TIMER_VAL, 0);
 	}
-	falcon_writel_page_locked(efx, &timer_cmd, TIMER_CMD_REG_KER,
+	BUILD_BUG_ON(FR_AA_TIMER_COMMAND_KER != FR_BZ_TIMER_COMMAND_P0);
+	falcon_writel_page_locked(efx, &timer_cmd, FR_BZ_TIMER_COMMAND_P0,
 				  channel->channel);
 
 }
@@ -1127,9 +1136,9 @@ void falcon_init_eventq(struct efx_channel *channel)
 
 	/* Push event queue to card */
 	EFX_POPULATE_OWORD_3(evq_ptr,
-			     EVQ_EN, 1,
-			     EVQ_SIZE, FALCON_EVQ_ORDER,
-			     EVQ_BUF_BASE_ID, channel->eventq.index);
+			     FRF_AZ_EVQ_EN, 1,
+			     FRF_AZ_EVQ_SIZE, FALCON_EVQ_ORDER,
+			     FRF_AZ_EVQ_BUF_BASE_ID, channel->eventq.index);
 	falcon_write_table(efx, &evq_ptr, efx->type->evq_ptr_tbl_base,
 			   channel->channel);
 
@@ -1165,9 +1174,9 @@ void falcon_generate_test_event(struct efx_channel *channel, unsigned int magic)
 {
 	efx_qword_t test_event;
 
-	EFX_POPULATE_QWORD_2(test_event,
-			     EV_CODE, DRV_GEN_EV_DECODE,
-			     EVQ_MAGIC, magic);
+	EFX_POPULATE_QWORD_2(test_event, FSF_AZ_EV_CODE,
+			     FSE_AZ_EV_CODE_DRV_GEN_EV,
+			     FSF_AZ_DRV_GEN_EV_MAGIC, magic);
 	falcon_generate_event(channel, &test_event);
 }
 
@@ -1175,11 +1184,12 @@ void falcon_sim_phy_event(struct efx_nic *efx)
 {
 	efx_qword_t phy_event;
 
-	EFX_POPULATE_QWORD_1(phy_event, EV_CODE, GLOBAL_EV_DECODE);
+	EFX_POPULATE_QWORD_1(phy_event, FSF_AZ_EV_CODE,
+			     FSE_AZ_EV_CODE_GLOBAL_EV);
 	if (EFX_IS10G(efx))
-		EFX_SET_QWORD_FIELD(phy_event, XG_PHY_INTR, 1);
+		EFX_SET_QWORD_FIELD(phy_event, FSF_AB_GLB_EV_XG_PHY0_INTR, 1);
 	else
-		EFX_SET_QWORD_FIELD(phy_event, G_PHY0_INTR, 1);
+		EFX_SET_QWORD_FIELD(phy_event, FSF_AB_GLB_EV_G_PHY0_INTR, 1);
 
 	falcon_generate_event(&efx->channel[0], &phy_event);
 }
@@ -1207,22 +1217,23 @@ static void falcon_poll_flush_events(struct efx_nic *efx)
 		if (!falcon_event_present(event))
 			break;
 
-		ev_code = EFX_QWORD_FIELD(*event, EV_CODE);
-		ev_sub_code = EFX_QWORD_FIELD(*event, DRIVER_EV_SUB_CODE);
-		if (ev_code == DRIVER_EV_DECODE &&
-		    ev_sub_code == TX_DESCQ_FLS_DONE_EV_DECODE) {
+		ev_code = EFX_QWORD_FIELD(*event, FSF_AZ_EV_CODE);
+		ev_sub_code = EFX_QWORD_FIELD(*event,
+					      FSF_AZ_DRIVER_EV_SUBCODE);
+		if (ev_code == FSE_AZ_EV_CODE_DRIVER_EV &&
+		    ev_sub_code == FSE_AZ_TX_DESCQ_FLS_DONE_EV) {
 			ev_queue = EFX_QWORD_FIELD(*event,
-						   DRIVER_EV_TX_DESCQ_ID);
+						   FSF_AZ_DRIVER_EV_SUBDATA);
 			if (ev_queue < EFX_TX_QUEUE_COUNT) {
 				tx_queue = efx->tx_queue + ev_queue;
 				tx_queue->flushed = true;
 			}
-		} else if (ev_code == DRIVER_EV_DECODE &&
-			   ev_sub_code == RX_DESCQ_FLS_DONE_EV_DECODE) {
-			ev_queue = EFX_QWORD_FIELD(*event,
-						   DRIVER_EV_RX_DESCQ_ID);
-			ev_failed = EFX_QWORD_FIELD(*event,
-						    DRIVER_EV_RX_FLUSH_FAIL);
+		} else if (ev_code == FSE_AZ_EV_CODE_DRIVER_EV &&
+			   ev_sub_code == FSE_AZ_RX_DESCQ_FLS_DONE_EV) {
+			ev_queue = EFX_QWORD_FIELD(
+				*event, FSF_AZ_DRIVER_EV_RX_DESCQ_ID);
+			ev_failed = EFX_QWORD_FIELD(
+				*event, FSF_AZ_DRIVER_EV_RX_FLUSH_FAIL);
 			if (ev_queue < efx->n_rx_queues) {
 				rx_queue = efx->rx_queue + ev_queue;
 
@@ -1312,9 +1323,9 @@ static inline void falcon_interrupts(struct efx_nic *efx, int enabled,
 	efx_oword_t int_en_reg_ker;
 
 	EFX_POPULATE_OWORD_2(int_en_reg_ker,
-			     KER_INT_KER, force,
-			     DRV_INT_EN_KER, enabled);
-	falcon_write(efx, &int_en_reg_ker, INT_EN_REG_KER);
+			     FRF_AZ_KER_INT_KER, force,
+			     FRF_AZ_DRV_INT_EN_KER, enabled);
+	falcon_write(efx, &int_en_reg_ker, FR_AZ_INT_EN_KER);
 }
 
 void falcon_enable_interrupts(struct efx_nic *efx)
@@ -1327,9 +1338,10 @@ void falcon_enable_interrupts(struct efx_nic *efx)
 
 	/* Program address */
 	EFX_POPULATE_OWORD_2(int_adr_reg_ker,
-			     NORM_INT_VEC_DIS_KER, EFX_INT_MODE_USE_MSI(efx),
-			     INT_ADR_KER, efx->irq_status.dma_addr);
-	falcon_write(efx, &int_adr_reg_ker, INT_ADR_REG_KER);
+			     FRF_AZ_NORM_INT_VEC_DIS_KER,
+			     EFX_INT_MODE_USE_MSI(efx),
+			     FRF_AZ_INT_ADR_KER, efx->irq_status.dma_addr);
+	falcon_write(efx, &int_adr_reg_ker, FR_AZ_INT_ADR_KER);
 
 	/* Enable interrupts */
 	falcon_interrupts(efx, 1, 0);
@@ -1369,9 +1381,9 @@ static inline void falcon_irq_ack_a1(struct efx_nic *efx)
 {
 	efx_dword_t reg;
 
-	EFX_POPULATE_DWORD_1(reg, INT_ACK_DUMMY_DATA, 0xb7eb7e);
-	falcon_writel(efx, &reg, INT_ACK_REG_KER_A1);
-	falcon_readl(efx, &reg, WORK_AROUND_BROKEN_PCI_READS_REG_KER_A1);
+	EFX_POPULATE_DWORD_1(reg, FRF_AA_INT_ACK_KER_FIELD, 0xb7eb7e);
+	falcon_writel(efx, &reg, FR_AA_INT_ACK_KER);
+	falcon_readl(efx, &reg, FR_AA_WORK_AROUND_BROKEN_PCI_READS);
 }
 
 /* Process a fatal interrupt
@@ -1384,8 +1396,8 @@ static irqreturn_t falcon_fatal_interrupt(struct efx_nic *efx)
 	efx_oword_t fatal_intr;
 	int error, mem_perr;
 
-	falcon_read(efx, &fatal_intr, FATAL_INTR_REG_KER);
-	error = EFX_OWORD_FIELD(fatal_intr, INT_KER_ERROR);
+	falcon_read(efx, &fatal_intr, FR_AZ_FATAL_INTR_KER);
+	error = EFX_OWORD_FIELD(fatal_intr, FRF_AZ_FATAL_INTR);
 
 	EFX_ERR(efx, "SYSTEM ERROR " EFX_OWORD_FMT " status "
 		EFX_OWORD_FMT ": %s\n", EFX_OWORD_VAL(*int_ker),
@@ -1395,10 +1407,10 @@ static irqreturn_t falcon_fatal_interrupt(struct efx_nic *efx)
 		goto out;
 
 	/* If this is a memory parity error dump which blocks are offending */
-	mem_perr = EFX_OWORD_FIELD(fatal_intr, MEM_PERR_INT_KER);
+	mem_perr = EFX_OWORD_FIELD(fatal_intr, FRF_AZ_MEM_PERR_INT_KER);
 	if (mem_perr) {
 		efx_oword_t reg;
-		falcon_read(efx, &reg, MEM_STAT_REG_KER);
+		falcon_read(efx, &reg, FR_AZ_MEM_STAT);
 		EFX_ERR(efx, "SYSTEM ERROR: memory parity error "
 			EFX_OWORD_FMT "\n", EFX_OWORD_VAL(reg));
 	}
@@ -1442,11 +1454,11 @@ static irqreturn_t falcon_legacy_interrupt_b0(int irq, void *dev_id)
 	int syserr;
 
 	/* Read the ISR which also ACKs the interrupts */
-	falcon_readl(efx, &reg, INT_ISR0_B0);
+	falcon_readl(efx, &reg, FR_BZ_INT_ISR0);
 	queues = EFX_EXTRACT_DWORD(reg, 0, 31);
 
 	/* Check to see if we have a serious error condition */
-	syserr = EFX_OWORD_FIELD(*int_ker, FATAL_INT);
+	syserr = EFX_OWORD_FIELD(*int_ker, FSF_AZ_NET_IVEC_FATAL_INT);
 	if (unlikely(syserr))
 		return falcon_fatal_interrupt(efx);
 
@@ -1492,7 +1504,7 @@ static irqreturn_t falcon_legacy_interrupt_a1(int irq, void *dev_id)
 		  irq, raw_smp_processor_id(), EFX_OWORD_VAL(*int_ker));
 
 	/* Check to see if we have a serious error condition */
-	syserr = EFX_OWORD_FIELD(*int_ker, FATAL_INT);
+	syserr = EFX_OWORD_FIELD(*int_ker, FSF_AZ_NET_IVEC_FATAL_INT);
 	if (unlikely(syserr))
 		return falcon_fatal_interrupt(efx);
 
@@ -1559,10 +1571,10 @@ static void falcon_setup_rss_indir_table(struct efx_nic *efx)
 	if (falcon_rev(efx) < FALCON_REV_B0)
 		return;
 
-	for (offset = RX_RSS_INDIR_TBL_B0;
-	     offset < RX_RSS_INDIR_TBL_B0 + 0x800;
+	for (offset = FR_BZ_RX_INDIRECTION_TBL;
+	     offset < FR_BZ_RX_INDIRECTION_TBL + 0x800;
 	     offset += 0x10) {
-		EFX_POPULATE_DWORD_1(dword, RX_RSS_INDIR_ENT_B0,
+		EFX_POPULATE_DWORD_1(dword, FRF_BZ_IT_QUEUE,
 				     i % efx->n_rx_queues);
 		falcon_writel(efx, &dword, offset);
 		i++;
@@ -1627,7 +1639,7 @@ void falcon_fini_interrupt(struct efx_nic *efx)
 
 	/* ACK legacy interrupt */
 	if (falcon_rev(efx) >= FALCON_REV_B0)
-		falcon_read(efx, &reg, INT_ISR0_B0);
+		falcon_read(efx, &reg, FR_BZ_INT_ISR0);
 	else
 		falcon_irq_ack_a1(efx);
 
@@ -1648,8 +1660,8 @@ void falcon_fini_interrupt(struct efx_nic *efx)
 static int falcon_spi_poll(struct efx_nic *efx)
 {
 	efx_oword_t reg;
-	falcon_read(efx, &reg, EE_SPI_HCMD_REG_KER);
-	return EFX_OWORD_FIELD(reg, EE_SPI_HCMD_CMD_EN) ? -EBUSY : 0;
+	falcon_read(efx, &reg, FR_AB_EE_SPI_HCMD);
+	return EFX_OWORD_FIELD(reg, FRF_AB_EE_SPI_HCMD_CMD_EN) ? -EBUSY : 0;
 }
 
 /* Wait for SPI command completion */
@@ -1701,27 +1713,27 @@ int falcon_spi_cmd(const struct efx_spi_device *spi,
 
 	/* Program address register, if we have an address */
 	if (addressed) {
-		EFX_POPULATE_OWORD_1(reg, EE_SPI_HADR_ADR, address);
-		falcon_write(efx, &reg, EE_SPI_HADR_REG_KER);
+		EFX_POPULATE_OWORD_1(reg, FRF_AB_EE_SPI_HADR_ADR, address);
+		falcon_write(efx, &reg, FR_AB_EE_SPI_HADR);
 	}
 
 	/* Program data register, if we have data */
 	if (in != NULL) {
 		memcpy(&reg, in, len);
-		falcon_write(efx, &reg, EE_SPI_HDATA_REG_KER);
+		falcon_write(efx, &reg, FR_AB_EE_SPI_HDATA);
 	}
 
 	/* Issue read/write command */
 	EFX_POPULATE_OWORD_7(reg,
-			     EE_SPI_HCMD_CMD_EN, 1,
-			     EE_SPI_HCMD_SF_SEL, spi->device_id,
-			     EE_SPI_HCMD_DABCNT, len,
-			     EE_SPI_HCMD_READ, reading,
-			     EE_SPI_HCMD_DUBCNT, 0,
-			     EE_SPI_HCMD_ADBCNT,
+			     FRF_AB_EE_SPI_HCMD_CMD_EN, 1,
+			     FRF_AB_EE_SPI_HCMD_SF_SEL, spi->device_id,
+			     FRF_AB_EE_SPI_HCMD_DABCNT, len,
+			     FRF_AB_EE_SPI_HCMD_READ, reading,
+			     FRF_AB_EE_SPI_HCMD_DUBCNT, 0,
+			     FRF_AB_EE_SPI_HCMD_ADBCNT,
 			     (addressed ? spi->addr_len : 0),
-			     EE_SPI_HCMD_ENC, command);
-	falcon_write(efx, &reg, EE_SPI_HCMD_REG_KER);
+			     FRF_AB_EE_SPI_HCMD_ENC, command);
+	falcon_write(efx, &reg, FR_AB_EE_SPI_HCMD);
 
 	/* Wait for read/write to complete */
 	rc = falcon_spi_wait(efx);
@@ -1730,7 +1742,7 @@ int falcon_spi_cmd(const struct efx_spi_device *spi,
 
 	/* Read data */
 	if (out != NULL) {
-		falcon_read(efx, &reg, EE_SPI_HDATA_REG_KER);
+		falcon_read(efx, &reg, FR_AB_EE_SPI_HDATA);
 		memcpy(out, &reg, len);
 	}
 
@@ -1871,21 +1883,22 @@ static int falcon_reset_macs(struct efx_nic *efx)
 		 * macs, so instead use the internal MAC resets
 		 */
 		if (!EFX_IS10G(efx)) {
-			EFX_POPULATE_OWORD_1(reg, GM_SW_RST, 1);
-			falcon_write(efx, &reg, GM_CFG1_REG);
+			EFX_POPULATE_OWORD_1(reg, FRF_AB_GM_SW_RST, 1);
+			falcon_write(efx, &reg, FR_AB_GM_CFG1);
 			udelay(1000);
 
-			EFX_POPULATE_OWORD_1(reg, GM_SW_RST, 0);
-			falcon_write(efx, &reg, GM_CFG1_REG);
+			EFX_POPULATE_OWORD_1(reg, FRF_AB_GM_SW_RST, 0);
+			falcon_write(efx, &reg, FR_AB_GM_CFG1);
 			udelay(1000);
 			return 0;
 		} else {
-			EFX_POPULATE_OWORD_1(reg, XM_CORE_RST, 1);
-			falcon_write(efx, &reg, XM_GLB_CFG_REG);
+			EFX_POPULATE_OWORD_1(reg, FRF_AB_XM_CORE_RST, 1);
+			falcon_write(efx, &reg, FR_AB_XM_GLB_CFG);
 
 			for (count = 0; count < 10000; count++) {
-				falcon_read(efx, &reg, XM_GLB_CFG_REG);
-				if (EFX_OWORD_FIELD(reg, XM_CORE_RST) == 0)
+				falcon_read(efx, &reg, FR_AB_XM_GLB_CFG);
+				if (EFX_OWORD_FIELD(reg, FRF_AB_XM_CORE_RST) ==
+				    0)
 					return 0;
 				udelay(10);
 			}
@@ -1899,22 +1912,22 @@ static int falcon_reset_macs(struct efx_nic *efx)
 	 * the drain sequence with the statistics fetch */
 	efx_stats_disable(efx);
 
-	falcon_read(efx, &reg, MAC0_CTRL_REG_KER);
-	EFX_SET_OWORD_FIELD(reg, TXFIFO_DRAIN_EN_B0, 1);
-	falcon_write(efx, &reg, MAC0_CTRL_REG_KER);
+	falcon_read(efx, &reg, FR_AB_MAC_CTRL);
+	EFX_SET_OWORD_FIELD(reg, FRF_BB_TXFIFO_DRAIN_EN, 1);
+	falcon_write(efx, &reg, FR_AB_MAC_CTRL);
 
-	falcon_read(efx, &reg, GLB_CTL_REG_KER);
-	EFX_SET_OWORD_FIELD(reg, RST_XGTX, 1);
-	EFX_SET_OWORD_FIELD(reg, RST_XGRX, 1);
-	EFX_SET_OWORD_FIELD(reg, RST_EM, 1);
-	falcon_write(efx, &reg, GLB_CTL_REG_KER);
+	falcon_read(efx, &reg, FR_AB_GLB_CTL);
+	EFX_SET_OWORD_FIELD(reg, FRF_AB_RST_XGTX, 1);
+	EFX_SET_OWORD_FIELD(reg, FRF_AB_RST_XGRX, 1);
+	EFX_SET_OWORD_FIELD(reg, FRF_AB_RST_EM, 1);
+	falcon_write(efx, &reg, FR_AB_GLB_CTL);
 
 	count = 0;
 	while (1) {
-		falcon_read(efx, &reg, GLB_CTL_REG_KER);
-		if (!EFX_OWORD_FIELD(reg, RST_XGTX) &&
-		    !EFX_OWORD_FIELD(reg, RST_XGRX) &&
-		    !EFX_OWORD_FIELD(reg, RST_EM)) {
+		falcon_read(efx, &reg, FR_AB_GLB_CTL);
+		if (!EFX_OWORD_FIELD(reg, FRF_AB_RST_XGTX) &&
+		    !EFX_OWORD_FIELD(reg, FRF_AB_RST_XGRX) &&
+		    !EFX_OWORD_FIELD(reg, FRF_AB_RST_EM)) {
 			EFX_LOG(efx, "Completed MAC reset after %d loops\n",
 				count);
 			break;
@@ -1945,9 +1958,9 @@ void falcon_drain_tx_fifo(struct efx_nic *efx)
 	    (efx->loopback_mode != LOOPBACK_NONE))
 		return;
 
-	falcon_read(efx, &reg, MAC0_CTRL_REG_KER);
+	falcon_read(efx, &reg, FR_AB_MAC_CTRL);
 	/* There is no point in draining more than once */
-	if (EFX_OWORD_FIELD(reg, TXFIFO_DRAIN_EN_B0))
+	if (EFX_OWORD_FIELD(reg, FRF_BB_TXFIFO_DRAIN_EN))
 		return;
 
 	falcon_reset_macs(efx);
@@ -1961,9 +1974,9 @@ void falcon_deconfigure_mac_wrapper(struct efx_nic *efx)
 		return;
 
 	/* Isolate the MAC -> RX */
-	falcon_read(efx, &reg, RX_CFG_REG_KER);
-	EFX_SET_OWORD_FIELD(reg, RX_INGR_EN_B0, 0);
-	falcon_write(efx, &reg, RX_CFG_REG_KER);
+	falcon_read(efx, &reg, FR_AZ_RX_CFG);
+	EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_INGR_EN, 0);
+	falcon_write(efx, &reg, FR_AZ_RX_CFG);
 
 	if (!efx->link_up)
 		falcon_drain_tx_fifo(efx);
@@ -1986,19 +1999,19 @@ void falcon_reconfigure_mac_wrapper(struct efx_nic *efx)
 	 * indefinitely held and TX queue can be flushed at any point
 	 * while the link is down. */
 	EFX_POPULATE_OWORD_5(reg,
-			     MAC_XOFF_VAL, 0xffff /* max pause time */,
-			     MAC_BCAD_ACPT, 1,
-			     MAC_UC_PROM, efx->promiscuous,
-			     MAC_LINK_STATUS, 1, /* always set */
-			     MAC_SPEED, link_speed);
+			     FRF_AB_MAC_XOFF_VAL, 0xffff /* max pause time */,
+			     FRF_AB_MAC_BCAD_ACPT, 1,
+			     FRF_AB_MAC_UC_PROM, efx->promiscuous,
+			     FRF_AB_MAC_LINK_STATUS, 1, /* always set */
+			     FRF_AB_MAC_SPEED, link_speed);
 	/* On B0, MAC backpressure can be disabled and packets get
 	 * discarded. */
 	if (falcon_rev(efx) >= FALCON_REV_B0) {
-		EFX_SET_OWORD_FIELD(reg, TXFIFO_DRAIN_EN_B0,
+		EFX_SET_OWORD_FIELD(reg, FRF_BB_TXFIFO_DRAIN_EN,
 				    !efx->link_up);
 	}
 
-	falcon_write(efx, &reg, MAC0_CTRL_REG_KER);
+	falcon_write(efx, &reg, FR_AB_MAC_CTRL);
 
 	/* Restore the multicast hash registers. */
 	falcon_set_multicast_hash(efx);
@@ -2007,13 +2020,13 @@ void falcon_reconfigure_mac_wrapper(struct efx_nic *efx)
 	 * covered by RX_XOFF_MAC_EN and XM_TX_CFG_REG:XM_FCNTL.
 	 * Action on receipt of pause frames is controller by XM_DIS_FCNTL */
 	tx_fc = !!(efx->link_fc & EFX_FC_TX);
-	falcon_read(efx, &reg, RX_CFG_REG_KER);
-	EFX_SET_OWORD_FIELD(reg, RX_XOFF_MAC_EN, tx_fc);
+	falcon_read(efx, &reg, FR_AZ_RX_CFG);
+	EFX_SET_OWORD_FIELD(reg, FRF_AZ_RX_XOFF_MAC_EN, tx_fc);
 
 	/* Unisolate the MAC -> RX */
 	if (falcon_rev(efx) >= FALCON_REV_B0)
-		EFX_SET_OWORD_FIELD(reg, RX_INGR_EN_B0, 1);
-	falcon_write(efx, &reg, RX_CFG_REG_KER);
+		EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_INGR_EN, 1);
+	falcon_write(efx, &reg, FR_AZ_RX_CFG);
 }
 
 int falcon_dma_stats(struct efx_nic *efx, unsigned int done_offset)
@@ -2028,8 +2041,8 @@ int falcon_dma_stats(struct efx_nic *efx, unsigned int done_offset)
 	/* Statistics fetch will fail if the MAC is in TX drain */
 	if (falcon_rev(efx) >= FALCON_REV_B0) {
 		efx_oword_t temp;
-		falcon_read(efx, &temp, MAC0_CTRL_REG_KER);
-		if (EFX_OWORD_FIELD(temp, TXFIFO_DRAIN_EN_B0))
+		falcon_read(efx, &temp, FR_AB_MAC_CTRL);
+		if (EFX_OWORD_FIELD(temp, FRF_BB_TXFIFO_DRAIN_EN))
 			return 0;
 	}
 
@@ -2039,10 +2052,10 @@ int falcon_dma_stats(struct efx_nic *efx, unsigned int done_offset)
 
 	/* Initiate DMA transfer of stats */
 	EFX_POPULATE_OWORD_2(reg,
-			     MAC_STAT_DMA_CMD, 1,
-			     MAC_STAT_DMA_ADR,
+			     FRF_AB_MAC_STAT_DMA_CMD, 1,
+			     FRF_AB_MAC_STAT_DMA_ADR,
 			     efx->stats_buffer.dma_addr);
-	falcon_write(efx, &reg, MAC0_STAT_DMA_REG_KER);
+	falcon_write(efx, &reg, FR_AB_MAC_STAT_DMA);
 
 	/* Wait for transfer to complete */
 	for (i = 0; i < 400; i++) {
@@ -2072,10 +2085,10 @@ static int falcon_gmii_wait(struct efx_nic *efx)
 
 	/* wait upto 50ms - taken max from datasheet */
 	for (count = 0; count < 5000; count++) {
-		falcon_readl(efx, &md_stat, MD_STAT_REG_KER);
-		if (EFX_DWORD_FIELD(md_stat, MD_BSY) == 0) {
-			if (EFX_DWORD_FIELD(md_stat, MD_LNFL) != 0 ||
-			    EFX_DWORD_FIELD(md_stat, MD_BSERR) != 0) {
+		falcon_readl(efx, &md_stat, FR_AB_MD_STAT);
+		if (EFX_DWORD_FIELD(md_stat, FRF_AB_MD_BSY) == 0) {
+			if (EFX_DWORD_FIELD(md_stat, FRF_AB_MD_LNFL) != 0 ||
+			    EFX_DWORD_FIELD(md_stat, FRF_AB_MD_BSERR) != 0) {
 				EFX_ERR(efx, "error from GMII access "
 					EFX_DWORD_FMT"\n",
 					EFX_DWORD_VAL(md_stat));
@@ -2108,29 +2121,30 @@ static int falcon_mdio_write(struct net_device *net_dev,
 		goto out;
 
 	/* Write the address/ID register */
-	EFX_POPULATE_OWORD_1(reg, MD_PHY_ADR, addr);
-	falcon_write(efx, &reg, MD_PHY_ADR_REG_KER);
+	EFX_POPULATE_OWORD_1(reg, FRF_AB_MD_PHY_ADR, addr);
+	falcon_write(efx, &reg, FR_AB_MD_PHY_ADR);
 
-	EFX_POPULATE_OWORD_2(reg, MD_PRT_ADR, prtad, MD_DEV_ADR, devad);
-	falcon_write(efx, &reg, MD_ID_REG_KER);
+	EFX_POPULATE_OWORD_2(reg, FRF_AB_MD_PRT_ADR, prtad,
+			     FRF_AB_MD_DEV_ADR, devad);
+	falcon_write(efx, &reg, FR_AB_MD_ID);
 
 	/* Write data */
-	EFX_POPULATE_OWORD_1(reg, MD_TXD, value);
-	falcon_write(efx, &reg, MD_TXD_REG_KER);
+	EFX_POPULATE_OWORD_1(reg, FRF_AB_MD_TXD, value);
+	falcon_write(efx, &reg, FR_AB_MD_TXD);
 
 	EFX_POPULATE_OWORD_2(reg,
-			     MD_WRC, 1,
-			     MD_GC, 0);
-	falcon_write(efx, &reg, MD_CS_REG_KER);
+			     FRF_AB_MD_WRC, 1,
+			     FRF_AB_MD_GC, 0);
+	falcon_write(efx, &reg, FR_AB_MD_CS);
 
 	/* Wait for data to be written */
 	rc = falcon_gmii_wait(efx);
 	if (rc) {
 		/* Abort the write operation */
 		EFX_POPULATE_OWORD_2(reg,
-				     MD_WRC, 0,
-				     MD_GC, 1);
-		falcon_write(efx, &reg, MD_CS_REG_KER);
+				     FRF_AB_MD_WRC, 0,
+				     FRF_AB_MD_GC, 1);
+		falcon_write(efx, &reg, FR_AB_MD_CS);
 		udelay(10);
 	}
 
@@ -2154,29 +2168,30 @@ static int falcon_mdio_read(struct net_device *net_dev,
 	if (rc)
 		goto out;
 
-	EFX_POPULATE_OWORD_1(reg, MD_PHY_ADR, addr);
-	falcon_write(efx, &reg, MD_PHY_ADR_REG_KER);
+	EFX_POPULATE_OWORD_1(reg, FRF_AB_MD_PHY_ADR, addr);
+	falcon_write(efx, &reg, FR_AB_MD_PHY_ADR);
 
-	EFX_POPULATE_OWORD_2(reg, MD_PRT_ADR, prtad, MD_DEV_ADR, devad);
-	falcon_write(efx, &reg, MD_ID_REG_KER);
+	EFX_POPULATE_OWORD_2(reg, FRF_AB_MD_PRT_ADR, prtad,
+			     FRF_AB_MD_DEV_ADR, devad);
+	falcon_write(efx, &reg, FR_AB_MD_ID);
 
 	/* Request data to be read */
-	EFX_POPULATE_OWORD_2(reg, MD_RDC, 1, MD_GC, 0);
-	falcon_write(efx, &reg, MD_CS_REG_KER);
+	EFX_POPULATE_OWORD_2(reg, FRF_AB_MD_RDC, 1, FRF_AB_MD_GC, 0);
+	falcon_write(efx, &reg, FR_AB_MD_CS);
 
 	/* Wait for data to become available */
 	rc = falcon_gmii_wait(efx);
 	if (rc == 0) {
-		falcon_read(efx, &reg, MD_RXD_REG_KER);
-		rc = EFX_OWORD_FIELD(reg, MD_RXD);
+		falcon_read(efx, &reg, FR_AB_MD_RXD);
+		rc = EFX_OWORD_FIELD(reg, FRF_AB_MD_RXD);
 		EFX_REGDUMP(efx, "read from MDIO %d register %d.%d, got %04x\n",
 			    prtad, devad, addr, rc);
 	} else {
 		/* Abort the read operation */
 		EFX_POPULATE_OWORD_2(reg,
-				     MD_RIC, 0,
-				     MD_GC, 1);
-		falcon_write(efx, &reg, MD_CS_REG_KER);
+				     FRF_AB_MD_RIC, 0,
+				     FRF_AB_MD_GC, 1);
+		falcon_write(efx, &reg, FR_AB_MD_CS);
 
 		EFX_LOG(efx, "read from MDIO %d register %d.%d, got error %d\n",
 			prtad, devad, addr, rc);
@@ -2243,16 +2258,17 @@ int falcon_switch_mac(struct efx_nic *efx)
 
 	/* Always push the NIC_STAT_REG setting even if the mac hasn't
 	 * changed, because this function is run post online reset */
-	falcon_read(efx, &nic_stat, NIC_STAT_REG);
+	falcon_read(efx, &nic_stat, FR_AB_NIC_STAT);
 	strap_val = EFX_IS10G(efx) ? 5 : 3;
 	if (falcon_rev(efx) >= FALCON_REV_B0) {
-		EFX_SET_OWORD_FIELD(nic_stat, EE_STRAP_EN, 1);
-		EFX_SET_OWORD_FIELD(nic_stat, EE_STRAP_OVR, strap_val);
-		falcon_write(efx, &nic_stat, NIC_STAT_REG);
+		EFX_SET_OWORD_FIELD(nic_stat, FRF_BB_EE_STRAP_EN, 1);
+		EFX_SET_OWORD_FIELD(nic_stat, FRF_BB_EE_STRAP, strap_val);
+		falcon_write(efx, &nic_stat, FR_AB_NIC_STAT);
 	} else {
 		/* Falcon A1 does not support 1G/10G speed switching
 		 * and must not be used with a PHY that does. */
-		BUG_ON(EFX_OWORD_FIELD(nic_stat, STRAP_PINS) != strap_val);
+		BUG_ON(EFX_OWORD_FIELD(nic_stat, FRF_AB_STRAP_PINS) !=
+		       strap_val);
 	}
 
 	if (old_mac_op == efx->mac_op)
@@ -2325,8 +2341,8 @@ void falcon_set_multicast_hash(struct efx_nic *efx)
 	 */
 	set_bit_le(0xff, mc_hash->byte);
 
-	falcon_write(efx, &mc_hash->oword[0], MAC_MCAST_HASH_REG0_KER);
-	falcon_write(efx, &mc_hash->oword[1], MAC_MCAST_HASH_REG1_KER);
+	falcon_write(efx, &mc_hash->oword[0], FR_AB_MAC_MC_HASH_REG0);
+	falcon_write(efx, &mc_hash->oword[1], FR_AB_MAC_MC_HASH_REG1);
 }
 
 
@@ -2352,7 +2368,7 @@ int falcon_read_nvram(struct efx_nic *efx, struct falcon_nvconfig *nvconfig_out)
 	region = kmalloc(FALCON_NVCONFIG_END, GFP_KERNEL);
 	if (!region)
 		return -ENOMEM;
-	nvconfig = region + NVCONFIG_OFFSET;
+	nvconfig = region + FALCON_NVCONFIG_OFFSET;
 
 	mutex_lock(&efx->spi_lock);
 	rc = falcon_spi_read(spi, 0, FALCON_NVCONFIG_END, NULL, region);
@@ -2368,7 +2384,7 @@ int falcon_read_nvram(struct efx_nic *efx, struct falcon_nvconfig *nvconfig_out)
 	struct_ver = le16_to_cpu(nvconfig->board_struct_ver);
 
 	rc = -EINVAL;
-	if (magic_num != NVCONFIG_BOARD_MAGIC_NUM) {
+	if (magic_num != FALCON_NVCONFIG_BOARD_MAGIC_NUM) {
 		EFX_ERR(efx, "NVRAM bad magic 0x%x\n", magic_num);
 		goto out;
 	}
@@ -2404,41 +2420,41 @@ static struct {
 	unsigned address;
 	efx_oword_t mask;
 } efx_test_registers[] = {
-	{ ADR_REGION_REG_KER,
+	{ FR_AZ_ADR_REGION,
 	  EFX_OWORD32(0x0001FFFF, 0x0001FFFF, 0x0001FFFF, 0x0001FFFF) },
-	{ RX_CFG_REG_KER,
+	{ FR_AZ_RX_CFG,
 	  EFX_OWORD32(0xFFFFFFFE, 0x00017FFF, 0x00000000, 0x00000000) },
-	{ TX_CFG_REG_KER,
+	{ FR_AZ_TX_CFG,
 	  EFX_OWORD32(0x7FFF0037, 0x00000000, 0x00000000, 0x00000000) },
-	{ TX_CFG2_REG_KER,
+	{ FR_AZ_TX_RESERVED,
 	  EFX_OWORD32(0xFFFEFE80, 0x1FFFFFFF, 0x020000FE, 0x007FFFFF) },
-	{ MAC0_CTRL_REG_KER,
+	{ FR_AB_MAC_CTRL,
 	  EFX_OWORD32(0xFFFF0000, 0x00000000, 0x00000000, 0x00000000) },
-	{ SRM_TX_DC_CFG_REG_KER,
+	{ FR_AZ_SRM_TX_DC_CFG,
 	  EFX_OWORD32(0x001FFFFF, 0x00000000, 0x00000000, 0x00000000) },
-	{ RX_DC_CFG_REG_KER,
+	{ FR_AZ_RX_DC_CFG,
 	  EFX_OWORD32(0x0000000F, 0x00000000, 0x00000000, 0x00000000) },
-	{ RX_DC_PF_WM_REG_KER,
+	{ FR_AZ_RX_DC_PF_WM,
 	  EFX_OWORD32(0x000003FF, 0x00000000, 0x00000000, 0x00000000) },
-	{ DP_CTRL_REG,
+	{ FR_BZ_DP_CTRL,
 	  EFX_OWORD32(0x00000FFF, 0x00000000, 0x00000000, 0x00000000) },
-	{ GM_CFG2_REG,
+	{ FR_AB_GM_CFG2,
 	  EFX_OWORD32(0x00007337, 0x00000000, 0x00000000, 0x00000000) },
-	{ GMF_CFG0_REG,
+	{ FR_AB_GMF_CFG0,
 	  EFX_OWORD32(0x00001F1F, 0x00000000, 0x00000000, 0x00000000) },
-	{ XM_GLB_CFG_REG,
+	{ FR_AB_XM_GLB_CFG,
 	  EFX_OWORD32(0x00000C68, 0x00000000, 0x00000000, 0x00000000) },
-	{ XM_TX_CFG_REG,
+	{ FR_AB_XM_TX_CFG,
 	  EFX_OWORD32(0x00080164, 0x00000000, 0x00000000, 0x00000000) },
-	{ XM_RX_CFG_REG,
+	{ FR_AB_XM_RX_CFG,
 	  EFX_OWORD32(0x07100A0C, 0x00000000, 0x00000000, 0x00000000) },
-	{ XM_RX_PARAM_REG,
+	{ FR_AB_XM_RX_PARAM,
 	  EFX_OWORD32(0x00001FF8, 0x00000000, 0x00000000, 0x00000000) },
-	{ XM_FC_REG,
+	{ FR_AB_XM_FC,
 	  EFX_OWORD32(0xFFFF0001, 0x00000000, 0x00000000, 0x00000000) },
-	{ XM_ADR_LO_REG,
+	{ FR_AB_XM_ADR_LO,
 	  EFX_OWORD32(0xFFFFFFFF, 0x00000000, 0x00000000, 0x00000000) },
-	{ XX_SD_CTL_REG,
+	{ FR_AB_XX_SD_CTL,
 	  EFX_OWORD32(0x0003FF0F, 0x00000000, 0x00000000, 0x00000000) },
 };
 
@@ -2538,22 +2554,24 @@ int falcon_reset_hw(struct efx_nic *efx, enum reset_type method)
 		}
 
 		EFX_POPULATE_OWORD_2(glb_ctl_reg_ker,
-				     EXT_PHY_RST_DUR, 0x7,
-				     SWRST, 1);
+				     FRF_AB_EXT_PHY_RST_DUR,
+				     FFE_AB_EXT_PHY_RST_DUR_10240US,
+				     FRF_AB_SWRST, 1);
 	} else {
-		int reset_phy = (method == RESET_TYPE_INVISIBLE ?
-				 EXCLUDE_FROM_RESET : 0);
-
 		EFX_POPULATE_OWORD_7(glb_ctl_reg_ker,
-				     EXT_PHY_RST_CTL, reset_phy,
-				     PCIE_CORE_RST_CTL, EXCLUDE_FROM_RESET,
-				     PCIE_NSTCK_RST_CTL, EXCLUDE_FROM_RESET,
-				     PCIE_SD_RST_CTL, EXCLUDE_FROM_RESET,
-				     EE_RST_CTL, EXCLUDE_FROM_RESET,
-				     EXT_PHY_RST_DUR, 0x7 /* 10ms */,
-				     SWRST, 1);
-	}
-	falcon_write(efx, &glb_ctl_reg_ker, GLB_CTL_REG_KER);
+				     /* exclude PHY from "invisible" reset */
+				     FRF_AB_EXT_PHY_RST_CTL,
+				     method == RESET_TYPE_INVISIBLE,
+				     /* exclude EEPROM/flash and PCIe */
+				     FRF_AB_PCIE_CORE_RST_CTL, 1,
+				     FRF_AB_PCIE_NSTKY_RST_CTL, 1,
+				     FRF_AB_PCIE_SD_RST_CTL, 1,
+				     FRF_AB_EE_RST_CTL, 1,
+				     FRF_AB_EXT_PHY_RST_DUR,
+				     FFE_AB_EXT_PHY_RST_DUR_10240US,
+				     FRF_AB_SWRST, 1);
+	}
+	falcon_write(efx, &glb_ctl_reg_ker, FR_AB_GLB_CTL);
 
 	EFX_LOG(efx, "waiting for hardware reset\n");
 	schedule_timeout_uninterruptible(HZ / 20);
@@ -2578,8 +2596,8 @@ int falcon_reset_hw(struct efx_nic *efx, enum reset_type method)
 	}
 
 	/* Assert that reset complete */
-	falcon_read(efx, &glb_ctl_reg_ker, GLB_CTL_REG_KER);
-	if (EFX_OWORD_FIELD(glb_ctl_reg_ker, SWRST) != 0) {
+	falcon_read(efx, &glb_ctl_reg_ker, FR_AB_GLB_CTL);
+	if (EFX_OWORD_FIELD(glb_ctl_reg_ker, FRF_AB_SWRST) != 0) {
 		rc = -ETIMEDOUT;
 		EFX_ERR(efx, "timed out waiting for hardware reset\n");
 		goto fail5;
@@ -2607,16 +2625,16 @@ static int falcon_reset_sram(struct efx_nic *efx)
 	int count;
 
 	/* Set the SRAM wake/sleep GPIO appropriately. */
-	falcon_read(efx, &gpio_cfg_reg_ker, GPIO_CTL_REG_KER);
-	EFX_SET_OWORD_FIELD(gpio_cfg_reg_ker, GPIO1_OEN, 1);
-	EFX_SET_OWORD_FIELD(gpio_cfg_reg_ker, GPIO1_OUT, 1);
-	falcon_write(efx, &gpio_cfg_reg_ker, GPIO_CTL_REG_KER);
+	falcon_read(efx, &gpio_cfg_reg_ker, FR_AB_GPIO_CTL);
+	EFX_SET_OWORD_FIELD(gpio_cfg_reg_ker, FRF_AB_GPIO1_OEN, 1);
+	EFX_SET_OWORD_FIELD(gpio_cfg_reg_ker, FRF_AB_GPIO1_OUT, 1);
+	falcon_write(efx, &gpio_cfg_reg_ker, FR_AB_GPIO_CTL);
 
 	/* Initiate SRAM reset */
 	EFX_POPULATE_OWORD_2(srm_cfg_reg_ker,
-			     SRAM_OOB_BT_INIT_EN, 1,
-			     SRM_NUM_BANKS_AND_BANK_SIZE, 0);
-	falcon_write(efx, &srm_cfg_reg_ker, SRM_CFG_REG_KER);
+			     FRF_AZ_SRM_INIT_EN, 1,
+			     FRF_AZ_SRM_NB_SZ, 0);
+	falcon_write(efx, &srm_cfg_reg_ker, FR_AZ_SRM_CFG);
 
 	/* Wait for SRAM reset to complete */
 	count = 0;
@@ -2627,8 +2645,8 @@ static int falcon_reset_sram(struct efx_nic *efx)
 		schedule_timeout_uninterruptible(HZ / 50);
 
 		/* Check for reset complete */
-		falcon_read(efx, &srm_cfg_reg_ker, SRM_CFG_REG_KER);
-		if (!EFX_OWORD_FIELD(srm_cfg_reg_ker, SRAM_OOB_BT_INIT_EN)) {
+		falcon_read(efx, &srm_cfg_reg_ker, FR_AZ_SRM_CFG);
+		if (!EFX_OWORD_FIELD(srm_cfg_reg_ker, FRF_AZ_SRM_INIT_EN)) {
 			EFX_LOG(efx, "SRAM reset complete\n");
 
 			return 0;
@@ -2713,16 +2731,16 @@ static int falcon_probe_nvconfig(struct efx_nic *efx)
 		board_rev = le16_to_cpu(v2->board_revision);
 
 		if (le16_to_cpu(nvconfig->board_struct_ver) >= 3) {
-			__le32 fl = v3->spi_device_type[EE_SPI_FLASH];
-			__le32 ee = v3->spi_device_type[EE_SPI_EEPROM];
-			rc = falcon_spi_device_init(efx, &efx->spi_flash,
-						    EE_SPI_FLASH,
-						    le32_to_cpu(fl));
+			rc = falcon_spi_device_init(
+				efx, &efx->spi_flash, FFE_AB_SPI_DEVICE_FLASH,
+				le32_to_cpu(v3->spi_device_type
+					    [FFE_AB_SPI_DEVICE_FLASH]));
 			if (rc)
 				goto fail2;
-			rc = falcon_spi_device_init(efx, &efx->spi_eeprom,
-						    EE_SPI_EEPROM,
-						    le32_to_cpu(ee));
+			rc = falcon_spi_device_init(
+				efx, &efx->spi_eeprom, FFE_AB_SPI_DEVICE_EEPROM,
+				le32_to_cpu(v3->spi_device_type
+					    [FFE_AB_SPI_DEVICE_EEPROM]));
 			if (rc)
 				goto fail2;
 		}
@@ -2753,13 +2771,13 @@ static int falcon_probe_nic_variant(struct efx_nic *efx)
 	efx_oword_t altera_build;
 	efx_oword_t nic_stat;
 
-	falcon_read(efx, &altera_build, ALTERA_BUILD_REG_KER);
-	if (EFX_OWORD_FIELD(altera_build, VER_ALL)) {
+	falcon_read(efx, &altera_build, FR_AZ_ALTERA_BUILD);
+	if (EFX_OWORD_FIELD(altera_build, FRF_AZ_ALTERA_BUILD_VER)) {
 		EFX_ERR(efx, "Falcon FPGA not supported\n");
 		return -ENODEV;
 	}
 
-	falcon_read(efx, &nic_stat, NIC_STAT_REG);
+	falcon_read(efx, &nic_stat, FR_AB_NIC_STAT);
 
 	switch (falcon_rev(efx)) {
 	case FALCON_REV_A0:
@@ -2768,7 +2786,7 @@ static int falcon_probe_nic_variant(struct efx_nic *efx)
 		return -ENODEV;
 
 	case FALCON_REV_A1:
-		if (EFX_OWORD_FIELD(nic_stat, STRAP_PCIE) == 0) {
+		if (EFX_OWORD_FIELD(nic_stat, FRF_AA_STRAP_PCIE) == 0) {
 			EFX_ERR(efx, "Falcon rev A1 PCI-X not supported\n");
 			return -ENODEV;
 		}
@@ -2783,7 +2801,7 @@ static int falcon_probe_nic_variant(struct efx_nic *efx)
 	}
 
 	/* Initial assumed speed */
-	efx->link_speed = EFX_OWORD_FIELD(nic_stat, STRAP_10G) ? 10000 : 1000;
+	efx->link_speed = EFX_OWORD_FIELD(nic_stat, FRF_AB_STRAP_10G) ? 10000 : 1000;
 
 	return 0;
 }
@@ -2794,34 +2812,36 @@ static void falcon_probe_spi_devices(struct efx_nic *efx)
 	efx_oword_t nic_stat, gpio_ctl, ee_vpd_cfg;
 	int boot_dev;
 
-	falcon_read(efx, &gpio_ctl, GPIO_CTL_REG_KER);
-	falcon_read(efx, &nic_stat, NIC_STAT_REG);
-	falcon_read(efx, &ee_vpd_cfg, EE_VPD_CFG_REG_KER);
+	falcon_read(efx, &gpio_ctl, FR_AB_GPIO_CTL);
+	falcon_read(efx, &nic_stat, FR_AB_NIC_STAT);
+	falcon_read(efx, &ee_vpd_cfg, FR_AB_EE_VPD_CFG0);
 
-	if (EFX_OWORD_FIELD(gpio_ctl, BOOTED_USING_NVDEVICE)) {
-		boot_dev = (EFX_OWORD_FIELD(nic_stat, SF_PRST) ?
-			    EE_SPI_FLASH : EE_SPI_EEPROM);
+	if (EFX_OWORD_FIELD(gpio_ctl, FRF_AB_GPIO3_PWRUP_VALUE)) {
+		boot_dev = (EFX_OWORD_FIELD(nic_stat, FRF_AB_SF_PRST) ?
+			    FFE_AB_SPI_DEVICE_FLASH : FFE_AB_SPI_DEVICE_EEPROM);
 		EFX_LOG(efx, "Booted from %s\n",
-			boot_dev == EE_SPI_FLASH ? "flash" : "EEPROM");
+			boot_dev == FFE_AB_SPI_DEVICE_FLASH ? "flash" : "EEPROM");
 	} else {
 		/* Disable VPD and set clock dividers to safe
 		 * values for initial programming. */
 		boot_dev = -1;
 		EFX_LOG(efx, "Booted from internal ASIC settings;"
 			" setting SPI config\n");
-		EFX_POPULATE_OWORD_3(ee_vpd_cfg, EE_VPD_EN, 0,
+		EFX_POPULATE_OWORD_3(ee_vpd_cfg, FRF_AB_EE_VPD_EN, 0,
 				     /* 125 MHz / 7 ~= 20 MHz */
-				     EE_SF_CLOCK_DIV, 7,
+				     FRF_AB_EE_SF_CLOCK_DIV, 7,
 				     /* 125 MHz / 63 ~= 2 MHz */
-				     EE_EE_CLOCK_DIV, 63);
-		falcon_write(efx, &ee_vpd_cfg, EE_VPD_CFG_REG_KER);
+				     FRF_AB_EE_EE_CLOCK_DIV, 63);
+		falcon_write(efx, &ee_vpd_cfg, FR_AB_EE_VPD_CFG0);
 	}
 
-	if (boot_dev == EE_SPI_FLASH)
-		falcon_spi_device_init(efx, &efx->spi_flash, EE_SPI_FLASH,
+	if (boot_dev == FFE_AB_SPI_DEVICE_FLASH)
+		falcon_spi_device_init(efx, &efx->spi_flash,
+				       FFE_AB_SPI_DEVICE_FLASH,
 				       default_flash_type);
-	if (boot_dev == EE_SPI_EEPROM)
-		falcon_spi_device_init(efx, &efx->spi_eeprom, EE_SPI_EEPROM,
+	if (boot_dev == FFE_AB_SPI_DEVICE_EEPROM)
+		falcon_spi_device_init(efx, &efx->spi_eeprom,
+				       FFE_AB_SPI_DEVICE_EEPROM,
 				       large_eeprom_type);
 }
 
@@ -2926,34 +2946,36 @@ static void falcon_init_rx_cfg(struct efx_nic *efx)
 	int data_xoff_thr = rx_xoff_thresh_bytes >> 8;
 	efx_oword_t reg;
 
-	falcon_read(efx, &reg, RX_CFG_REG_KER);
+	falcon_read(efx, &reg, FR_AZ_RX_CFG);
 	if (falcon_rev(efx) <= FALCON_REV_A1) {
 		/* Data FIFO size is 5.5K */
 		if (data_xon_thr < 0)
 			data_xon_thr = 512 >> 8;
 		if (data_xoff_thr < 0)
 			data_xoff_thr = 2048 >> 8;
-		EFX_SET_OWORD_FIELD(reg, RX_DESC_PUSH_EN_A1, 0);
-		EFX_SET_OWORD_FIELD(reg, RX_USR_BUF_SIZE_A1, huge_buf_size);
-		EFX_SET_OWORD_FIELD(reg, RX_XON_MAC_TH_A1, data_xon_thr);
-		EFX_SET_OWORD_FIELD(reg, RX_XOFF_MAC_TH_A1, data_xoff_thr);
-		EFX_SET_OWORD_FIELD(reg, RX_XON_TX_TH_A1, ctrl_xon_thr);
-		EFX_SET_OWORD_FIELD(reg, RX_XOFF_TX_TH_A1, ctrl_xoff_thr);
+		EFX_SET_OWORD_FIELD(reg, FRF_AA_RX_DESC_PUSH_EN, 0);
+		EFX_SET_OWORD_FIELD(reg, FRF_AA_RX_USR_BUF_SIZE,
+				    huge_buf_size);
+		EFX_SET_OWORD_FIELD(reg, FRF_AA_RX_XON_MAC_TH, data_xon_thr);
+		EFX_SET_OWORD_FIELD(reg, FRF_AA_RX_XOFF_MAC_TH, data_xoff_thr);
+		EFX_SET_OWORD_FIELD(reg, FRF_AA_RX_XON_TX_TH, ctrl_xon_thr);
+		EFX_SET_OWORD_FIELD(reg, FRF_AA_RX_XOFF_TX_TH, ctrl_xoff_thr);
 	} else {
 		/* Data FIFO size is 80K; register fields moved */
 		if (data_xon_thr < 0)
 			data_xon_thr = 27648 >> 8; /* ~3*max MTU */
 		if (data_xoff_thr < 0)
 			data_xoff_thr = 54272 >> 8; /* ~80Kb - 3*max MTU */
-		EFX_SET_OWORD_FIELD(reg, RX_DESC_PUSH_EN_B0, 0);
-		EFX_SET_OWORD_FIELD(reg, RX_USR_BUF_SIZE_B0, huge_buf_size);
-		EFX_SET_OWORD_FIELD(reg, RX_XON_MAC_TH_B0, data_xon_thr);
-		EFX_SET_OWORD_FIELD(reg, RX_XOFF_MAC_TH_B0, data_xoff_thr);
-		EFX_SET_OWORD_FIELD(reg, RX_XON_TX_TH_B0, ctrl_xon_thr);
-		EFX_SET_OWORD_FIELD(reg, RX_XOFF_TX_TH_B0, ctrl_xoff_thr);
-		EFX_SET_OWORD_FIELD(reg, RX_INGR_EN_B0, 1);
+		EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_DESC_PUSH_EN, 0);
+		EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_USR_BUF_SIZE,
+				    huge_buf_size);
+		EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_XON_MAC_TH, data_xon_thr);
+		EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_XOFF_MAC_TH, data_xoff_thr);
+		EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_XON_TX_TH, ctrl_xon_thr);
+		EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_XOFF_TX_TH, ctrl_xoff_thr);
+		EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_INGR_EN, 1);
 	}
-	falcon_write(efx, &reg, RX_CFG_REG_KER);
+	falcon_write(efx, &reg, FR_AZ_RX_CFG);
 }
 
 /* This call performs hardware-specific global initialisation, such as
@@ -2966,15 +2988,15 @@ int falcon_init_nic(struct efx_nic *efx)
 	int rc;
 
 	/* Use on-chip SRAM */
-	falcon_read(efx, &temp, NIC_STAT_REG);
-	EFX_SET_OWORD_FIELD(temp, ONCHIP_SRAM, 1);
-	falcon_write(efx, &temp, NIC_STAT_REG);
+	falcon_read(efx, &temp, FR_AB_NIC_STAT);
+	EFX_SET_OWORD_FIELD(temp, FRF_AB_ONCHIP_SRAM, 1);
+	falcon_write(efx, &temp, FR_AB_NIC_STAT);
 
 	/* Set the source of the GMAC clock */
 	if (falcon_rev(efx) == FALCON_REV_B0) {
-		falcon_read(efx, &temp, GPIO_CTL_REG_KER);
-		EFX_SET_OWORD_FIELD(temp, GPIO_USE_NIC_CLK, true);
-		falcon_write(efx, &temp, GPIO_CTL_REG_KER);
+		falcon_read(efx, &temp, FR_AB_GPIO_CTL);
+		EFX_SET_OWORD_FIELD(temp, FRF_AB_USE_NIC_CLK, true);
+		falcon_write(efx, &temp, FR_AB_GPIO_CTL);
 	}
 
 	rc = falcon_reset_sram(efx);
@@ -2982,32 +3004,32 @@ int falcon_init_nic(struct efx_nic *efx)
 		return rc;
 
 	/* Set positions of descriptor caches in SRAM. */
-	EFX_POPULATE_OWORD_1(temp, SRM_TX_DC_BASE_ADR, TX_DC_BASE / 8);
-	falcon_write(efx, &temp, SRM_TX_DC_CFG_REG_KER);
-	EFX_POPULATE_OWORD_1(temp, SRM_RX_DC_BASE_ADR, RX_DC_BASE / 8);
-	falcon_write(efx, &temp, SRM_RX_DC_CFG_REG_KER);
+	EFX_POPULATE_OWORD_1(temp, FRF_AZ_SRM_TX_DC_BASE_ADR, TX_DC_BASE / 8);
+	falcon_write(efx, &temp, FR_AZ_SRM_TX_DC_CFG);
+	EFX_POPULATE_OWORD_1(temp, FRF_AZ_SRM_RX_DC_BASE_ADR, RX_DC_BASE / 8);
+	falcon_write(efx, &temp, FR_AZ_SRM_RX_DC_CFG);
 
 	/* Set TX descriptor cache size. */
 	BUILD_BUG_ON(TX_DC_ENTRIES != (16 << TX_DC_ENTRIES_ORDER));
-	EFX_POPULATE_OWORD_1(temp, TX_DC_SIZE, TX_DC_ENTRIES_ORDER);
-	falcon_write(efx, &temp, TX_DC_CFG_REG_KER);
+	EFX_POPULATE_OWORD_1(temp, FRF_AZ_TX_DC_SIZE, TX_DC_ENTRIES_ORDER);
+	falcon_write(efx, &temp, FR_AZ_TX_DC_CFG);
 
 	/* Set RX descriptor cache size.  Set low watermark to size-8, as
 	 * this allows most efficient prefetching.
 	 */
 	BUILD_BUG_ON(RX_DC_ENTRIES != (16 << RX_DC_ENTRIES_ORDER));
-	EFX_POPULATE_OWORD_1(temp, RX_DC_SIZE, RX_DC_ENTRIES_ORDER);
-	falcon_write(efx, &temp, RX_DC_CFG_REG_KER);
-	EFX_POPULATE_OWORD_1(temp, RX_DC_PF_LWM, RX_DC_ENTRIES - 8);
-	falcon_write(efx, &temp, RX_DC_PF_WM_REG_KER);
+	EFX_POPULATE_OWORD_1(temp, FRF_AZ_RX_DC_SIZE, RX_DC_ENTRIES_ORDER);
+	falcon_write(efx, &temp, FR_AZ_RX_DC_CFG);
+	EFX_POPULATE_OWORD_1(temp, FRF_AZ_RX_DC_PF_LWM, RX_DC_ENTRIES - 8);
+	falcon_write(efx, &temp, FR_AZ_RX_DC_PF_WM);
 
 	/* Clear the parity enables on the TX data fifos as
 	 * they produce false parity errors because of timing issues
 	 */
 	if (EFX_WORKAROUND_5129(efx)) {
-		falcon_read(efx, &temp, SPARE_REG_KER);
-		EFX_SET_OWORD_FIELD(temp, MEM_PERR_EN_TX_DATA, 0);
-		falcon_write(efx, &temp, SPARE_REG_KER);
+		falcon_read(efx, &temp, FR_AZ_CSR_SPARE);
+		EFX_SET_OWORD_FIELD(temp, FRF_AB_MEM_PERR_EN_TX_DATA, 0);
+		falcon_write(efx, &temp, FR_AZ_CSR_SPARE);
 	}
 
 	/* Enable all the genuinely fatal interrupts.  (They are still
@@ -3017,64 +3039,65 @@ int falcon_init_nic(struct efx_nic *efx)
 	 * Note: All other fatal interrupts are enabled
 	 */
 	EFX_POPULATE_OWORD_3(temp,
-			     ILL_ADR_INT_KER_EN, 1,
-			     RBUF_OWN_INT_KER_EN, 1,
-			     TBUF_OWN_INT_KER_EN, 1);
+			     FRF_AZ_ILL_ADR_INT_KER_EN, 1,
+			     FRF_AZ_RBUF_OWN_INT_KER_EN, 1,
+			     FRF_AZ_TBUF_OWN_INT_KER_EN, 1);
 	EFX_INVERT_OWORD(temp);
-	falcon_write(efx, &temp, FATAL_INTR_REG_KER);
+	falcon_write(efx, &temp, FR_AZ_FATAL_INTR_KER);
 
 	if (EFX_WORKAROUND_7244(efx)) {
-		falcon_read(efx, &temp, RX_FILTER_CTL_REG);
-		EFX_SET_OWORD_FIELD(temp, UDP_FULL_SRCH_LIMIT, 8);
-		EFX_SET_OWORD_FIELD(temp, UDP_WILD_SRCH_LIMIT, 8);
-		EFX_SET_OWORD_FIELD(temp, TCP_FULL_SRCH_LIMIT, 8);
-		EFX_SET_OWORD_FIELD(temp, TCP_WILD_SRCH_LIMIT, 8);
-		falcon_write(efx, &temp, RX_FILTER_CTL_REG);
+		falcon_read(efx, &temp, FR_BZ_RX_FILTER_CTL);
+		EFX_SET_OWORD_FIELD(temp, FRF_BZ_UDP_FULL_SRCH_LIMIT, 8);
+		EFX_SET_OWORD_FIELD(temp, FRF_BZ_UDP_WILD_SRCH_LIMIT, 8);
+		EFX_SET_OWORD_FIELD(temp, FRF_BZ_TCP_FULL_SRCH_LIMIT, 8);
+		EFX_SET_OWORD_FIELD(temp, FRF_BZ_TCP_WILD_SRCH_LIMIT, 8);
+		falcon_write(efx, &temp, FR_BZ_RX_FILTER_CTL);
 	}
 
 	falcon_setup_rss_indir_table(efx);
 
+	/* XXX This is documented only for Falcon A0/A1 */
 	/* Setup RX.  Wait for descriptor is broken and must
 	 * be disabled.  RXDP recovery shouldn't be needed, but is.
 	 */
-	falcon_read(efx, &temp, RX_SELF_RST_REG_KER);
-	EFX_SET_OWORD_FIELD(temp, RX_NODESC_WAIT_DIS, 1);
-	EFX_SET_OWORD_FIELD(temp, RX_RECOVERY_EN, 1);
+	falcon_read(efx, &temp, FR_AA_RX_SELF_RST);
+	EFX_SET_OWORD_FIELD(temp, FRF_AA_RX_NODESC_WAIT_DIS, 1);
+	EFX_SET_OWORD_FIELD(temp, FRF_AA_RX_SELF_RST_EN, 1);
 	if (EFX_WORKAROUND_5583(efx))
-		EFX_SET_OWORD_FIELD(temp, RX_ISCSI_DIS, 1);
-	falcon_write(efx, &temp, RX_SELF_RST_REG_KER);
+		EFX_SET_OWORD_FIELD(temp, FRF_AA_RX_ISCSI_DIS, 1);
+	falcon_write(efx, &temp, FR_AA_RX_SELF_RST);
 
 	/* Disable the ugly timer-based TX DMA backoff and allow TX DMA to be
 	 * controlled by the RX FIFO fill level. Set arbitration to one pkt/Q.
 	 */
-	falcon_read(efx, &temp, TX_CFG2_REG_KER);
-	EFX_SET_OWORD_FIELD(temp, TX_RX_SPACER, 0xfe);
-	EFX_SET_OWORD_FIELD(temp, TX_RX_SPACER_EN, 1);
-	EFX_SET_OWORD_FIELD(temp, TX_ONE_PKT_PER_Q, 1);
-	EFX_SET_OWORD_FIELD(temp, TX_CSR_PUSH_EN, 0);
-	EFX_SET_OWORD_FIELD(temp, TX_DIS_NON_IP_EV, 1);
+	falcon_read(efx, &temp, FR_AZ_TX_RESERVED);
+	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_RX_SPACER, 0xfe);
+	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_RX_SPACER_EN, 1);
+	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_ONE_PKT_PER_Q, 1);
+	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_PUSH_EN, 0);
+	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_DIS_NON_IP_EV, 1);
 	/* Enable SW_EV to inherit in char driver - assume harmless here */
-	EFX_SET_OWORD_FIELD(temp, TX_SW_EV_EN, 1);
+	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_SOFT_EVT_EN, 1);
 	/* Prefetch threshold 2 => fetch when descriptor cache half empty */
-	EFX_SET_OWORD_FIELD(temp, TX_PREF_THRESHOLD, 2);
+	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_PREF_THRESHOLD, 2);
 	/* Squash TX of packets of 16 bytes or less */
 	if (falcon_rev(efx) >= FALCON_REV_B0 && EFX_WORKAROUND_9141(efx))
-		EFX_SET_OWORD_FIELD(temp, TX_FLUSH_MIN_LEN_EN_B0, 1);
-	falcon_write(efx, &temp, TX_CFG2_REG_KER);
+		EFX_SET_OWORD_FIELD(temp, FRF_BZ_TX_FLUSH_MIN_LEN_EN, 1);
+	falcon_write(efx, &temp, FR_AZ_TX_RESERVED);
 
 	/* Do not enable TX_NO_EOP_DISC_EN, since it limits packets to 16
 	 * descriptors (which is bad).
 	 */
-	falcon_read(efx, &temp, TX_CFG_REG_KER);
-	EFX_SET_OWORD_FIELD(temp, TX_NO_EOP_DISC_EN, 0);
-	falcon_write(efx, &temp, TX_CFG_REG_KER);
+	falcon_read(efx, &temp, FR_AZ_TX_CFG);
+	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_NO_EOP_DISC_EN, 0);
+	falcon_write(efx, &temp, FR_AZ_TX_CFG);
 
 	falcon_init_rx_cfg(efx);
 
 	/* Set destination of both TX and RX Flush events */
 	if (falcon_rev(efx) >= FALCON_REV_B0) {
-		EFX_POPULATE_OWORD_1(temp, FLS_EVQ_ID, 0);
-		falcon_write(efx, &temp, DP_CTRL_REG);
+		EFX_POPULATE_OWORD_1(temp, FRF_BZ_FLS_EVQ_ID, 0);
+		falcon_write(efx, &temp, FR_BZ_DP_CTRL);
 	}
 
 	return 0;
@@ -3110,8 +3133,9 @@ void falcon_update_nic_stats(struct efx_nic *efx)
 {
 	efx_oword_t cnt;
 
-	falcon_read(efx, &cnt, RX_NODESC_DROP_REG_KER);
-	efx->n_rx_nodesc_drop_cnt += EFX_OWORD_FIELD(cnt, RX_NODESC_DROP_CNT);
+	falcon_read(efx, &cnt, FR_AZ_RX_NODESC_DROP);
+	efx->n_rx_nodesc_drop_cnt +=
+		EFX_OWORD_FIELD(cnt, FRF_AB_RX_NODESC_DROP_CNT);
 }
 
 /**************************************************************************
@@ -3124,11 +3148,11 @@ void falcon_update_nic_stats(struct efx_nic *efx)
 struct efx_nic_type falcon_a_nic_type = {
 	.mem_bar = 2,
 	.mem_map_size = 0x20000,
-	.txd_ptr_tbl_base = TX_DESC_PTR_TBL_KER_A1,
-	.rxd_ptr_tbl_base = RX_DESC_PTR_TBL_KER_A1,
-	.buf_tbl_base = BUF_TBL_KER_A1,
-	.evq_ptr_tbl_base = EVQ_PTR_TBL_KER_A1,
-	.evq_rptr_tbl_base = EVQ_RPTR_REG_KER_A1,
+	.txd_ptr_tbl_base = FR_AA_TX_DESC_PTR_TBL_KER,
+	.rxd_ptr_tbl_base = FR_AA_RX_DESC_PTR_TBL_KER,
+	.buf_tbl_base = FR_AA_BUF_FULL_TBL_KER,
+	.evq_ptr_tbl_base = FR_AA_EVQ_PTR_TBL_KER,
+	.evq_rptr_tbl_base = FR_AA_EVQ_RPTR_KER,
 	.txd_ring_mask = FALCON_TXD_RING_MASK,
 	.rxd_ring_mask = FALCON_RXD_RING_MASK,
 	.evq_size = FALCON_EVQ_SIZE,
@@ -3145,12 +3169,14 @@ struct efx_nic_type falcon_b_nic_type = {
 	/* Map everything up to and including the RSS indirection
 	 * table.  Don't map MSI-X table, MSI-X PBA since Linux
 	 * requires that they not be mapped.  */
-	.mem_map_size = RX_RSS_INDIR_TBL_B0 + 0x800,
-	.txd_ptr_tbl_base = TX_DESC_PTR_TBL_KER_B0,
-	.rxd_ptr_tbl_base = RX_DESC_PTR_TBL_KER_B0,
-	.buf_tbl_base = BUF_TBL_KER_B0,
-	.evq_ptr_tbl_base = EVQ_PTR_TBL_KER_B0,
-	.evq_rptr_tbl_base = EVQ_RPTR_REG_KER_B0,
+	.mem_map_size = (FR_BZ_RX_INDIRECTION_TBL +
+			 FR_BZ_RX_INDIRECTION_TBL_STEP *
+			 FR_BZ_RX_INDIRECTION_TBL_ROWS),
+	.txd_ptr_tbl_base = FR_BZ_TX_DESC_PTR_TBL,
+	.rxd_ptr_tbl_base = FR_BZ_RX_DESC_PTR_TBL,
+	.buf_tbl_base = FR_BZ_BUF_FULL_TBL,
+	.evq_ptr_tbl_base = FR_BZ_EVQ_PTR_TBL,
+	.evq_rptr_tbl_base = FR_BZ_EVQ_RPTR,
 	.txd_ring_mask = FALCON_TXD_RING_MASK,
 	.rxd_ring_mask = FALCON_RXD_RING_MASK,
 	.evq_size = FALCON_EVQ_SIZE,
diff --git a/drivers/net/sfc/falcon_boards.c b/drivers/net/sfc/falcon_boards.c
index ab940756ac7..68ca45c5d5d 100644
--- a/drivers/net/sfc/falcon_boards.c
+++ b/drivers/net/sfc/falcon_boards.c
@@ -13,7 +13,7 @@
 #include "phy.h"
 #include "efx.h"
 #include "falcon.h"
-#include "falcon_hwdefs.h"
+#include "regs.h"
 #include "falcon_io.h"
 #include "workarounds.h"
 
@@ -332,14 +332,14 @@ static int sfn4111t_reset(struct efx_nic *efx)
 	 * FLASH_CFG_1 strap (GPIO 3) appropriately.  Only change the
 	 * output enables; the output levels should always be 0 (low)
 	 * and we rely on external pull-ups. */
-	falcon_read(efx, &reg, GPIO_CTL_REG_KER);
-	EFX_SET_OWORD_FIELD(reg, GPIO2_OEN, true);
-	falcon_write(efx, &reg, GPIO_CTL_REG_KER);
+	falcon_read(efx, &reg, FR_AB_GPIO_CTL);
+	EFX_SET_OWORD_FIELD(reg, FRF_AB_GPIO2_OEN, true);
+	falcon_write(efx, &reg, FR_AB_GPIO_CTL);
 	msleep(1000);
-	EFX_SET_OWORD_FIELD(reg, GPIO2_OEN, false);
-	EFX_SET_OWORD_FIELD(reg, GPIO3_OEN,
+	EFX_SET_OWORD_FIELD(reg, FRF_AB_GPIO2_OEN, false);
+	EFX_SET_OWORD_FIELD(reg, FRF_AB_GPIO3_OEN,
 			    !!(efx->phy_mode & PHY_MODE_SPECIAL));
-	falcon_write(efx, &reg, GPIO_CTL_REG_KER);
+	falcon_write(efx, &reg, FR_AB_GPIO_CTL);
 	msleep(1);
 
 	mutex_unlock(&efx->i2c_adap.bus_lock);
diff --git a/drivers/net/sfc/falcon_gmac.c b/drivers/net/sfc/falcon_gmac.c
index 36f57b102ac..0d156c88ca4 100644
--- a/drivers/net/sfc/falcon_gmac.c
+++ b/drivers/net/sfc/falcon_gmac.c
@@ -13,7 +13,7 @@
 #include "efx.h"
 #include "falcon.h"
 #include "mac.h"
-#include "falcon_hwdefs.h"
+#include "regs.h"
 #include "falcon_io.h"
 
 /**************************************************************************
@@ -36,89 +36,89 @@ static void falcon_reconfigure_gmac(struct efx_nic *efx)
 	bytemode = (efx->link_speed == 1000);
 
 	EFX_POPULATE_OWORD_5(reg,
-			     GM_LOOP, loopback,
-			     GM_TX_EN, 1,
-			     GM_TX_FC_EN, tx_fc,
-			     GM_RX_EN, 1,
-			     GM_RX_FC_EN, rx_fc);
-	falcon_write(efx, &reg, GM_CFG1_REG);
+			     FRF_AB_GM_LOOP, loopback,
+			     FRF_AB_GM_TX_EN, 1,
+			     FRF_AB_GM_TX_FC_EN, tx_fc,
+			     FRF_AB_GM_RX_EN, 1,
+			     FRF_AB_GM_RX_FC_EN, rx_fc);
+	falcon_write(efx, &reg, FR_AB_GM_CFG1);
 	udelay(10);
 
 	/* Configuration register 2 */
 	if_mode = (bytemode) ? 2 : 1;
 	EFX_POPULATE_OWORD_5(reg,
-			     GM_IF_MODE, if_mode,
-			     GM_PAD_CRC_EN, 1,
-			     GM_LEN_CHK, 1,
-			     GM_FD, efx->link_fd,
-			     GM_PAMBL_LEN, 0x7/*datasheet recommended */);
+			     FRF_AB_GM_IF_MODE, if_mode,
+			     FRF_AB_GM_PAD_CRC_EN, 1,
+			     FRF_AB_GM_LEN_CHK, 1,
+			     FRF_AB_GM_FD, efx->link_fd,
+			     FRF_AB_GM_PAMBL_LEN, 0x7/*datasheet recommended */);
 
-	falcon_write(efx, &reg, GM_CFG2_REG);
+	falcon_write(efx, &reg, FR_AB_GM_CFG2);
 	udelay(10);
 
 	/* Max frame len register */
 	max_frame_len = EFX_MAX_FRAME_LEN(efx->net_dev->mtu);
-	EFX_POPULATE_OWORD_1(reg, GM_MAX_FLEN, max_frame_len);
-	falcon_write(efx, &reg, GM_MAX_FLEN_REG);
+	EFX_POPULATE_OWORD_1(reg, FRF_AB_GM_MAX_FLEN, max_frame_len);
+	falcon_write(efx, &reg, FR_AB_GM_MAX_FLEN);
 	udelay(10);
 
 	/* FIFO configuration register 0 */
 	EFX_POPULATE_OWORD_5(reg,
-			     GMF_FTFENREQ, 1,
-			     GMF_STFENREQ, 1,
-			     GMF_FRFENREQ, 1,
-			     GMF_SRFENREQ, 1,
-			     GMF_WTMENREQ, 1);
-	falcon_write(efx, &reg, GMF_CFG0_REG);
+			     FRF_AB_GMF_FTFENREQ, 1,
+			     FRF_AB_GMF_STFENREQ, 1,
+			     FRF_AB_GMF_FRFENREQ, 1,
+			     FRF_AB_GMF_SRFENREQ, 1,
+			     FRF_AB_GMF_WTMENREQ, 1);
+	falcon_write(efx, &reg, FR_AB_GMF_CFG0);
 	udelay(10);
 
 	/* FIFO configuration register 1 */
 	EFX_POPULATE_OWORD_2(reg,
-			     GMF_CFGFRTH, 0x12,
-			     GMF_CFGXOFFRTX, 0xffff);
-	falcon_write(efx, &reg, GMF_CFG1_REG);
+			     FRF_AB_GMF_CFGFRTH, 0x12,
+			     FRF_AB_GMF_CFGXOFFRTX, 0xffff);
+	falcon_write(efx, &reg, FR_AB_GMF_CFG1);
 	udelay(10);
 
 	/* FIFO configuration register 2 */
 	EFX_POPULATE_OWORD_2(reg,
-			     GMF_CFGHWM, 0x3f,
-			     GMF_CFGLWM, 0xa);
-	falcon_write(efx, &reg, GMF_CFG2_REG);
+			     FRF_AB_GMF_CFGHWM, 0x3f,
+			     FRF_AB_GMF_CFGLWM, 0xa);
+	falcon_write(efx, &reg, FR_AB_GMF_CFG2);
 	udelay(10);
 
 	/* FIFO configuration register 3 */
 	EFX_POPULATE_OWORD_2(reg,
-			     GMF_CFGHWMFT, 0x1c,
-			     GMF_CFGFTTH, 0x08);
-	falcon_write(efx, &reg, GMF_CFG3_REG);
+			     FRF_AB_GMF_CFGHWMFT, 0x1c,
+			     FRF_AB_GMF_CFGFTTH, 0x08);
+	falcon_write(efx, &reg, FR_AB_GMF_CFG3);
 	udelay(10);
 
 	/* FIFO configuration register 4 */
-	EFX_POPULATE_OWORD_1(reg, GMF_HSTFLTRFRM_PAUSE, 1);
-	falcon_write(efx, &reg, GMF_CFG4_REG);
+	EFX_POPULATE_OWORD_1(reg, FRF_AB_GMF_HSTFLTRFRM_PAUSE, 1);
+	falcon_write(efx, &reg, FR_AB_GMF_CFG4);
 	udelay(10);
 
 	/* FIFO configuration register 5 */
-	falcon_read(efx, &reg, GMF_CFG5_REG);
-	EFX_SET_OWORD_FIELD(reg, GMF_CFGBYTMODE, bytemode);
-	EFX_SET_OWORD_FIELD(reg, GMF_CFGHDPLX, !efx->link_fd);
-	EFX_SET_OWORD_FIELD(reg, GMF_HSTDRPLT64, !efx->link_fd);
-	EFX_SET_OWORD_FIELD(reg, GMF_HSTFLTRFRMDC_PAUSE, 0);
-	falcon_write(efx, &reg, GMF_CFG5_REG);
+	falcon_read(efx, &reg, FR_AB_GMF_CFG5);
+	EFX_SET_OWORD_FIELD(reg, FRF_AB_GMF_CFGBYTMODE, bytemode);
+	EFX_SET_OWORD_FIELD(reg, FRF_AB_GMF_CFGHDPLX, !efx->link_fd);
+	EFX_SET_OWORD_FIELD(reg, FRF_AB_GMF_HSTDRPLT64, !efx->link_fd);
+	EFX_SET_OWORD_FIELD(reg, FRF_AB_GMF_HSTFLTRFRMDC_PAUSE, 0);
+	falcon_write(efx, &reg, FR_AB_GMF_CFG5);
 	udelay(10);
 
 	/* MAC address */
 	EFX_POPULATE_OWORD_4(reg,
-			     GM_HWADDR_5, efx->net_dev->dev_addr[5],
-			     GM_HWADDR_4, efx->net_dev->dev_addr[4],
-			     GM_HWADDR_3, efx->net_dev->dev_addr[3],
-			     GM_HWADDR_2, efx->net_dev->dev_addr[2]);
-	falcon_write(efx, &reg, GM_ADR1_REG);
+			     FRF_AB_GM_ADR_B0, efx->net_dev->dev_addr[5],
+			     FRF_AB_GM_ADR_B1, efx->net_dev->dev_addr[4],
+			     FRF_AB_GM_ADR_B2, efx->net_dev->dev_addr[3],
+			     FRF_AB_GM_ADR_B3, efx->net_dev->dev_addr[2]);
+	falcon_write(efx, &reg, FR_AB_GM_ADR1);
 	udelay(10);
 	EFX_POPULATE_OWORD_2(reg,
-			     GM_HWADDR_1, efx->net_dev->dev_addr[1],
-			     GM_HWADDR_0, efx->net_dev->dev_addr[0]);
-	falcon_write(efx, &reg, GM_ADR2_REG);
+			     FRF_AB_GM_ADR_B4, efx->net_dev->dev_addr[1],
+			     FRF_AB_GM_ADR_B5, efx->net_dev->dev_addr[0]);
+	falcon_write(efx, &reg, FR_AB_GM_ADR2);
 	udelay(10);
 
 	falcon_reconfigure_mac_wrapper(efx);
diff --git a/drivers/net/sfc/falcon_hwdefs.h b/drivers/net/sfc/falcon_hwdefs.h
deleted file mode 100644
index 13f3999449f..00000000000
--- a/drivers/net/sfc/falcon_hwdefs.h
+++ /dev/null
@@ -1,1332 +0,0 @@
-/****************************************************************************
- * Driver for Solarflare Solarstorm network controllers and boards
- * Copyright 2005-2006 Fen Systems Ltd.
- * Copyright 2006-2008 Solarflare Communications Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation, incorporated herein by reference.
- */
-
-#ifndef EFX_FALCON_HWDEFS_H
-#define EFX_FALCON_HWDEFS_H
-
-/*
- * Falcon hardware value definitions.
- * Falcon is the internal codename for the SFC4000 controller that is
- * present in SFE400X evaluation boards
- */
-
-/**************************************************************************
- *
- * Falcon registers
- *
- **************************************************************************
- */
-
-/* Address region register */
-#define ADR_REGION_REG_KER	0x00
-#define ADR_REGION0_LBN	0
-#define ADR_REGION0_WIDTH	18
-#define ADR_REGION1_LBN	32
-#define ADR_REGION1_WIDTH	18
-#define ADR_REGION2_LBN	64
-#define ADR_REGION2_WIDTH	18
-#define ADR_REGION3_LBN	96
-#define ADR_REGION3_WIDTH	18
-
-/* Interrupt enable register */
-#define INT_EN_REG_KER 0x0010
-#define KER_INT_KER_LBN 3
-#define KER_INT_KER_WIDTH 1
-#define DRV_INT_EN_KER_LBN 0
-#define DRV_INT_EN_KER_WIDTH 1
-
-/* Interrupt status address register */
-#define INT_ADR_REG_KER	0x0030
-#define NORM_INT_VEC_DIS_KER_LBN 64
-#define NORM_INT_VEC_DIS_KER_WIDTH 1
-#define INT_ADR_KER_LBN 0
-#define INT_ADR_KER_WIDTH EFX_DMA_TYPE_WIDTH(64) /* not 46 for this one */
-
-/* Interrupt status register (B0 only) */
-#define INT_ISR0_B0 0x90
-#define INT_ISR1_B0 0xA0
-
-/* Interrupt acknowledge register (A0/A1 only) */
-#define INT_ACK_REG_KER_A1 0x0050
-#define INT_ACK_DUMMY_DATA_LBN 0
-#define INT_ACK_DUMMY_DATA_WIDTH 32
-
-/* Interrupt acknowledge work-around register (A0/A1 only )*/
-#define WORK_AROUND_BROKEN_PCI_READS_REG_KER_A1 0x0070
-
-/* SPI host command register */
-#define EE_SPI_HCMD_REG_KER 0x0100
-#define EE_SPI_HCMD_CMD_EN_LBN 31
-#define EE_SPI_HCMD_CMD_EN_WIDTH 1
-#define EE_WR_TIMER_ACTIVE_LBN 28
-#define EE_WR_TIMER_ACTIVE_WIDTH 1
-#define EE_SPI_HCMD_SF_SEL_LBN 24
-#define EE_SPI_HCMD_SF_SEL_WIDTH 1
-#define EE_SPI_EEPROM 0
-#define EE_SPI_FLASH 1
-#define EE_SPI_HCMD_DABCNT_LBN 16
-#define EE_SPI_HCMD_DABCNT_WIDTH 5
-#define EE_SPI_HCMD_READ_LBN 15
-#define EE_SPI_HCMD_READ_WIDTH 1
-#define EE_SPI_READ 1
-#define EE_SPI_WRITE 0
-#define EE_SPI_HCMD_DUBCNT_LBN 12
-#define EE_SPI_HCMD_DUBCNT_WIDTH 2
-#define EE_SPI_HCMD_ADBCNT_LBN 8
-#define EE_SPI_HCMD_ADBCNT_WIDTH 2
-#define EE_SPI_HCMD_ENC_LBN 0
-#define EE_SPI_HCMD_ENC_WIDTH 8
-
-/* SPI host address register */
-#define EE_SPI_HADR_REG_KER 0x0110
-#define EE_SPI_HADR_ADR_LBN 0
-#define EE_SPI_HADR_ADR_WIDTH 24
-
-/* SPI host data register */
-#define EE_SPI_HDATA_REG_KER 0x0120
-
-/* SPI/VPD config register */
-#define EE_VPD_CFG_REG_KER 0x0140
-#define EE_VPD_EN_LBN 0
-#define EE_VPD_EN_WIDTH 1
-#define EE_VPD_EN_AD9_MODE_LBN 1
-#define EE_VPD_EN_AD9_MODE_WIDTH 1
-#define EE_EE_CLOCK_DIV_LBN 112
-#define EE_EE_CLOCK_DIV_WIDTH 7
-#define EE_SF_CLOCK_DIV_LBN 120
-#define EE_SF_CLOCK_DIV_WIDTH 7
-
-/* PCIE CORE ACCESS REG */
-#define PCIE_CORE_ADDR_PCIE_DEVICE_CTRL_STAT 0x68
-#define PCIE_CORE_ADDR_PCIE_LINK_CTRL_STAT 0x70
-#define PCIE_CORE_ADDR_ACK_RPL_TIMER 0x700
-#define PCIE_CORE_ADDR_ACK_FREQ 0x70C
-
-/* NIC status register */
-#define NIC_STAT_REG 0x0200
-#define EE_STRAP_EN_LBN 31
-#define EE_STRAP_EN_WIDTH 1
-#define EE_STRAP_OVR_LBN 24
-#define EE_STRAP_OVR_WIDTH 4
-#define ONCHIP_SRAM_LBN 16
-#define ONCHIP_SRAM_WIDTH 1
-#define SF_PRST_LBN 9
-#define SF_PRST_WIDTH 1
-#define EE_PRST_LBN 8
-#define EE_PRST_WIDTH 1
-#define STRAP_PINS_LBN 0
-#define STRAP_PINS_WIDTH 3
-/* These bit definitions are extrapolated from the list of numerical
- * values for STRAP_PINS.
- */
-#define STRAP_10G_LBN 2
-#define STRAP_10G_WIDTH 1
-#define STRAP_PCIE_LBN 0
-#define STRAP_PCIE_WIDTH 1
-
-#define BOOTED_USING_NVDEVICE_LBN 3
-#define BOOTED_USING_NVDEVICE_WIDTH 1
-
-/* GPIO control register */
-#define GPIO_CTL_REG_KER 0x0210
-#define GPIO_USE_NIC_CLK_LBN (30)
-#define GPIO_USE_NIC_CLK_WIDTH (1)
-#define GPIO_OUTPUTS_LBN   (16)
-#define GPIO_OUTPUTS_WIDTH (4)
-#define GPIO_INPUTS_LBN (8)
-#define GPIO_DIRECTION_LBN (24)
-#define GPIO_DIRECTION_WIDTH (4)
-#define GPIO_DIRECTION_OUT (1)
-#define GPIO_SRAM_SLEEP (1 << 1)
-
-#define GPIO3_OEN_LBN (GPIO_DIRECTION_LBN + 3)
-#define	GPIO3_OEN_WIDTH 1
-#define	GPIO2_OEN_LBN (GPIO_DIRECTION_LBN + 2)
-#define	GPIO2_OEN_WIDTH 1
-#define	GPIO1_OEN_LBN (GPIO_DIRECTION_LBN + 1)
-#define	GPIO1_OEN_WIDTH 1
-#define GPIO0_OEN_LBN (GPIO_DIRECTION_LBN + 0)
-#define	GPIO0_OEN_WIDTH 1
-
-#define	GPIO3_OUT_LBN (GPIO_OUTPUTS_LBN + 3)
-#define	GPIO3_OUT_WIDTH 1
-#define	GPIO2_OUT_LBN (GPIO_OUTPUTS_LBN + 2)
-#define	GPIO2_OUT_WIDTH 1
-#define	GPIO1_OUT_LBN (GPIO_OUTPUTS_LBN + 1)
-#define	GPIO1_OUT_WIDTH 1
-#define	GPIO0_OUT_LBN (GPIO_OUTPUTS_LBN + 0)
-#define	GPIO0_OUT_WIDTH 1
-
-#define GPIO3_IN_LBN (GPIO_INPUTS_LBN + 3)
-#define	GPIO3_IN_WIDTH 1
-#define	GPIO2_IN_WIDTH 1
-#define	GPIO1_IN_WIDTH 1
-#define GPIO0_IN_LBN (GPIO_INPUTS_LBN + 0)
-#define	GPIO0_IN_WIDTH 1
-
-/* Global control register */
-#define GLB_CTL_REG_KER	0x0220
-#define EXT_PHY_RST_CTL_LBN 63
-#define EXT_PHY_RST_CTL_WIDTH 1
-#define PCIE_SD_RST_CTL_LBN 61
-#define PCIE_SD_RST_CTL_WIDTH 1
-
-#define PCIE_NSTCK_RST_CTL_LBN 58
-#define PCIE_NSTCK_RST_CTL_WIDTH 1
-#define PCIE_CORE_RST_CTL_LBN 57
-#define PCIE_CORE_RST_CTL_WIDTH 1
-#define EE_RST_CTL_LBN 49
-#define EE_RST_CTL_WIDTH 1
-#define RST_XGRX_LBN 24
-#define RST_XGRX_WIDTH 1
-#define RST_XGTX_LBN 23
-#define RST_XGTX_WIDTH 1
-#define RST_EM_LBN 22
-#define RST_EM_WIDTH 1
-#define EXT_PHY_RST_DUR_LBN 1
-#define EXT_PHY_RST_DUR_WIDTH 3
-#define SWRST_LBN 0
-#define SWRST_WIDTH 1
-#define INCLUDE_IN_RESET 0
-#define EXCLUDE_FROM_RESET 1
-
-/* Fatal interrupt register */
-#define FATAL_INTR_REG_KER 0x0230
-#define RBUF_OWN_INT_KER_EN_LBN 39
-#define RBUF_OWN_INT_KER_EN_WIDTH 1
-#define TBUF_OWN_INT_KER_EN_LBN 38
-#define TBUF_OWN_INT_KER_EN_WIDTH 1
-#define ILL_ADR_INT_KER_EN_LBN 33
-#define ILL_ADR_INT_KER_EN_WIDTH 1
-#define MEM_PERR_INT_KER_LBN 8
-#define MEM_PERR_INT_KER_WIDTH 1
-#define INT_KER_ERROR_LBN 0
-#define INT_KER_ERROR_WIDTH 12
-
-#define DP_CTRL_REG 0x250
-#define FLS_EVQ_ID_LBN 0
-#define FLS_EVQ_ID_WIDTH 11
-
-#define MEM_STAT_REG_KER 0x260
-
-/* Debug probe register */
-#define DEBUG_BLK_SEL_MISC 7
-#define DEBUG_BLK_SEL_SERDES 6
-#define DEBUG_BLK_SEL_EM 5
-#define DEBUG_BLK_SEL_SR 4
-#define DEBUG_BLK_SEL_EV 3
-#define DEBUG_BLK_SEL_RX 2
-#define DEBUG_BLK_SEL_TX 1
-#define DEBUG_BLK_SEL_BIU 0
-
-/* FPGA build version */
-#define ALTERA_BUILD_REG_KER 0x0300
-#define VER_ALL_LBN 0
-#define VER_ALL_WIDTH 32
-
-/* Spare EEPROM bits register (flash 0x390) */
-#define SPARE_REG_KER 0x310
-#define MEM_PERR_EN_TX_DATA_LBN 72
-#define MEM_PERR_EN_TX_DATA_WIDTH 2
-
-/* Timer table for kernel access */
-#define TIMER_CMD_REG_KER 0x420
-#define TIMER_MODE_LBN 12
-#define TIMER_MODE_WIDTH 2
-#define TIMER_MODE_DIS 0
-#define TIMER_MODE_INT_HLDOFF 2
-#define TIMER_VAL_LBN 0
-#define TIMER_VAL_WIDTH 12
-
-/* Driver generated event register */
-#define DRV_EV_REG_KER 0x440
-#define DRV_EV_QID_LBN 64
-#define DRV_EV_QID_WIDTH 12
-#define DRV_EV_DATA_LBN 0
-#define DRV_EV_DATA_WIDTH 64
-
-/* Buffer table configuration register */
-#define BUF_TBL_CFG_REG_KER 0x600
-#define BUF_TBL_MODE_LBN 3
-#define BUF_TBL_MODE_WIDTH 1
-#define BUF_TBL_MODE_HALF 0
-#define BUF_TBL_MODE_FULL 1
-
-/* SRAM receive descriptor cache configuration register */
-#define SRM_RX_DC_CFG_REG_KER 0x610
-#define SRM_RX_DC_BASE_ADR_LBN 0
-#define SRM_RX_DC_BASE_ADR_WIDTH 21
-
-/* SRAM transmit descriptor cache configuration register */
-#define SRM_TX_DC_CFG_REG_KER 0x620
-#define SRM_TX_DC_BASE_ADR_LBN 0
-#define SRM_TX_DC_BASE_ADR_WIDTH 21
-
-/* SRAM configuration register */
-#define SRM_CFG_REG_KER 0x630
-#define SRAM_OOB_BT_INIT_EN_LBN 3
-#define SRAM_OOB_BT_INIT_EN_WIDTH 1
-#define SRM_NUM_BANKS_AND_BANK_SIZE_LBN 0
-#define SRM_NUM_BANKS_AND_BANK_SIZE_WIDTH 3
-#define SRM_NB_BSZ_1BANKS_2M 0
-#define SRM_NB_BSZ_1BANKS_4M 1
-#define SRM_NB_BSZ_1BANKS_8M 2
-#define SRM_NB_BSZ_DEFAULT 3 /* char driver will set the default */
-#define SRM_NB_BSZ_2BANKS_4M 4
-#define SRM_NB_BSZ_2BANKS_8M 5
-#define SRM_NB_BSZ_2BANKS_16M 6
-#define SRM_NB_BSZ_RESERVED 7
-
-/* Special buffer table update register */
-#define BUF_TBL_UPD_REG_KER 0x0650
-#define BUF_UPD_CMD_LBN 63
-#define BUF_UPD_CMD_WIDTH 1
-#define BUF_CLR_CMD_LBN 62
-#define BUF_CLR_CMD_WIDTH 1
-#define BUF_CLR_END_ID_LBN 32
-#define BUF_CLR_END_ID_WIDTH 20
-#define BUF_CLR_START_ID_LBN 0
-#define BUF_CLR_START_ID_WIDTH 20
-
-/* Receive configuration register */
-#define RX_CFG_REG_KER 0x800
-
-/* B0 */
-#define RX_INGR_EN_B0_LBN 47
-#define RX_INGR_EN_B0_WIDTH 1
-#define RX_DESC_PUSH_EN_B0_LBN 43
-#define RX_DESC_PUSH_EN_B0_WIDTH 1
-#define RX_XON_TX_TH_B0_LBN 33
-#define RX_XON_TX_TH_B0_WIDTH 5
-#define RX_XOFF_TX_TH_B0_LBN 28
-#define RX_XOFF_TX_TH_B0_WIDTH 5
-#define RX_USR_BUF_SIZE_B0_LBN 19
-#define RX_USR_BUF_SIZE_B0_WIDTH 9
-#define RX_XON_MAC_TH_B0_LBN 10
-#define RX_XON_MAC_TH_B0_WIDTH 9
-#define RX_XOFF_MAC_TH_B0_LBN 1
-#define RX_XOFF_MAC_TH_B0_WIDTH 9
-
-/* A1 */
-#define RX_DESC_PUSH_EN_A1_LBN 35
-#define RX_DESC_PUSH_EN_A1_WIDTH 1
-#define RX_XON_TX_TH_A1_LBN 25
-#define RX_XON_TX_TH_A1_WIDTH 5
-#define RX_XOFF_TX_TH_A1_LBN 20
-#define RX_XOFF_TX_TH_A1_WIDTH 5
-#define RX_USR_BUF_SIZE_A1_LBN 11
-#define RX_USR_BUF_SIZE_A1_WIDTH 9
-#define RX_XON_MAC_TH_A1_LBN 6
-#define RX_XON_MAC_TH_A1_WIDTH 5
-#define RX_XOFF_MAC_TH_A1_LBN 1
-#define RX_XOFF_MAC_TH_A1_WIDTH 5
-
-#define RX_XOFF_MAC_EN_LBN 0
-#define RX_XOFF_MAC_EN_WIDTH 1
-
-/* Receive filter control register */
-#define RX_FILTER_CTL_REG 0x810
-#define UDP_FULL_SRCH_LIMIT_LBN 32
-#define UDP_FULL_SRCH_LIMIT_WIDTH 8
-#define NUM_KER_LBN 24
-#define NUM_KER_WIDTH 2
-#define UDP_WILD_SRCH_LIMIT_LBN 16
-#define UDP_WILD_SRCH_LIMIT_WIDTH 8
-#define TCP_WILD_SRCH_LIMIT_LBN 8
-#define TCP_WILD_SRCH_LIMIT_WIDTH 8
-#define TCP_FULL_SRCH_LIMIT_LBN 0
-#define TCP_FULL_SRCH_LIMIT_WIDTH 8
-
-/* RX queue flush register */
-#define RX_FLUSH_DESCQ_REG_KER 0x0820
-#define RX_FLUSH_DESCQ_CMD_LBN 24
-#define RX_FLUSH_DESCQ_CMD_WIDTH 1
-#define RX_FLUSH_DESCQ_LBN 0
-#define RX_FLUSH_DESCQ_WIDTH 12
-
-/* Receive descriptor update register */
-#define RX_DESC_UPD_REG_KER_DWORD (0x830 + 12)
-#define RX_DESC_WPTR_DWORD_LBN 0
-#define RX_DESC_WPTR_DWORD_WIDTH 12
-
-/* Receive descriptor cache configuration register */
-#define RX_DC_CFG_REG_KER 0x840
-#define RX_DC_SIZE_LBN 0
-#define RX_DC_SIZE_WIDTH 2
-
-#define RX_DC_PF_WM_REG_KER 0x850
-#define RX_DC_PF_LWM_LBN 0
-#define RX_DC_PF_LWM_WIDTH 6
-
-/* RX no descriptor drop counter */
-#define RX_NODESC_DROP_REG_KER 0x880
-#define RX_NODESC_DROP_CNT_LBN 0
-#define RX_NODESC_DROP_CNT_WIDTH 16
-
-/* RX black magic register */
-#define RX_SELF_RST_REG_KER 0x890
-#define RX_ISCSI_DIS_LBN 17
-#define RX_ISCSI_DIS_WIDTH 1
-#define RX_NODESC_WAIT_DIS_LBN 9
-#define RX_NODESC_WAIT_DIS_WIDTH 1
-#define RX_RECOVERY_EN_LBN 8
-#define RX_RECOVERY_EN_WIDTH 1
-
-/* TX queue flush register */
-#define TX_FLUSH_DESCQ_REG_KER 0x0a00
-#define TX_FLUSH_DESCQ_CMD_LBN 12
-#define TX_FLUSH_DESCQ_CMD_WIDTH 1
-#define TX_FLUSH_DESCQ_LBN 0
-#define TX_FLUSH_DESCQ_WIDTH 12
-
-/* Transmit descriptor update register */
-#define TX_DESC_UPD_REG_KER_DWORD (0xa10 + 12)
-#define TX_DESC_WPTR_DWORD_LBN 0
-#define TX_DESC_WPTR_DWORD_WIDTH 12
-
-/* Transmit descriptor cache configuration register */
-#define TX_DC_CFG_REG_KER 0xa20
-#define TX_DC_SIZE_LBN 0
-#define TX_DC_SIZE_WIDTH 2
-
-/* Transmit checksum configuration register (A0/A1 only) */
-#define TX_CHKSM_CFG_REG_KER_A1 0xa30
-
-/* Transmit configuration register */
-#define TX_CFG_REG_KER 0xa50
-#define TX_NO_EOP_DISC_EN_LBN 5
-#define TX_NO_EOP_DISC_EN_WIDTH 1
-
-/* Transmit configuration register 2 */
-#define TX_CFG2_REG_KER 0xa80
-#define TX_CSR_PUSH_EN_LBN 89
-#define TX_CSR_PUSH_EN_WIDTH 1
-#define TX_RX_SPACER_LBN 64
-#define TX_RX_SPACER_WIDTH 8
-#define TX_SW_EV_EN_LBN 59
-#define TX_SW_EV_EN_WIDTH 1
-#define TX_RX_SPACER_EN_LBN 57
-#define TX_RX_SPACER_EN_WIDTH 1
-#define TX_PREF_THRESHOLD_LBN 19
-#define TX_PREF_THRESHOLD_WIDTH 2
-#define TX_ONE_PKT_PER_Q_LBN 18
-#define TX_ONE_PKT_PER_Q_WIDTH 1
-#define TX_DIS_NON_IP_EV_LBN 17
-#define TX_DIS_NON_IP_EV_WIDTH 1
-#define TX_FLUSH_MIN_LEN_EN_B0_LBN 7
-#define TX_FLUSH_MIN_LEN_EN_B0_WIDTH 1
-
-/* PHY management transmit data register */
-#define MD_TXD_REG_KER 0xc00
-#define MD_TXD_LBN 0
-#define MD_TXD_WIDTH 16
-
-/* PHY management receive data register */
-#define MD_RXD_REG_KER 0xc10
-#define MD_RXD_LBN 0
-#define MD_RXD_WIDTH 16
-
-/* PHY management configuration & status register */
-#define MD_CS_REG_KER 0xc20
-#define MD_GC_LBN 4
-#define MD_GC_WIDTH 1
-#define MD_RIC_LBN 2
-#define MD_RIC_WIDTH 1
-#define MD_RDC_LBN 1
-#define MD_RDC_WIDTH 1
-#define MD_WRC_LBN 0
-#define MD_WRC_WIDTH 1
-
-/* PHY management PHY address register */
-#define MD_PHY_ADR_REG_KER 0xc30
-#define MD_PHY_ADR_LBN 0
-#define MD_PHY_ADR_WIDTH 16
-
-/* PHY management ID register */
-#define MD_ID_REG_KER 0xc40
-#define MD_PRT_ADR_LBN 11
-#define MD_PRT_ADR_WIDTH 5
-#define MD_DEV_ADR_LBN 6
-#define MD_DEV_ADR_WIDTH 5
-
-/* PHY management status & mask register (DWORD read only) */
-#define MD_STAT_REG_KER 0xc50
-#define MD_BSERR_LBN 2
-#define MD_BSERR_WIDTH 1
-#define MD_LNFL_LBN 1
-#define MD_LNFL_WIDTH 1
-#define MD_BSY_LBN 0
-#define MD_BSY_WIDTH 1
-
-/* Port 0 and 1 MAC stats registers */
-#define MAC0_STAT_DMA_REG_KER 0xc60
-#define MAC_STAT_DMA_CMD_LBN 48
-#define MAC_STAT_DMA_CMD_WIDTH 1
-#define MAC_STAT_DMA_ADR_LBN 0
-#define MAC_STAT_DMA_ADR_WIDTH EFX_DMA_TYPE_WIDTH(46)
-
-/* Port 0 and 1 MAC control registers */
-#define MAC0_CTRL_REG_KER 0xc80
-#define MAC_XOFF_VAL_LBN 16
-#define MAC_XOFF_VAL_WIDTH 16
-#define TXFIFO_DRAIN_EN_B0_LBN 7
-#define TXFIFO_DRAIN_EN_B0_WIDTH 1
-#define MAC_BCAD_ACPT_LBN 4
-#define MAC_BCAD_ACPT_WIDTH 1
-#define MAC_UC_PROM_LBN 3
-#define MAC_UC_PROM_WIDTH 1
-#define MAC_LINK_STATUS_LBN 2
-#define MAC_LINK_STATUS_WIDTH 1
-#define MAC_SPEED_LBN 0
-#define MAC_SPEED_WIDTH 2
-
-/* 10G XAUI XGXS default values */
-#define XX_TXDRV_DEQ_DEFAULT 0xe /* deq=.6 */
-#define XX_TXDRV_DTX_DEFAULT 0x5 /* 1.25 */
-#define XX_SD_CTL_DRV_DEFAULT 0  /* 20mA */
-
-/* Multicast address hash table */
-#define MAC_MCAST_HASH_REG0_KER 0xca0
-#define MAC_MCAST_HASH_REG1_KER 0xcb0
-
-/* GMAC configuration register 1 */
-#define GM_CFG1_REG 0xe00
-#define GM_SW_RST_LBN 31
-#define GM_SW_RST_WIDTH 1
-#define GM_LOOP_LBN 8
-#define GM_LOOP_WIDTH 1
-#define GM_RX_FC_EN_LBN 5
-#define GM_RX_FC_EN_WIDTH 1
-#define GM_TX_FC_EN_LBN 4
-#define GM_TX_FC_EN_WIDTH 1
-#define GM_RX_EN_LBN 2
-#define GM_RX_EN_WIDTH 1
-#define GM_TX_EN_LBN 0
-#define GM_TX_EN_WIDTH 1
-
-/* GMAC configuration register 2 */
-#define GM_CFG2_REG 0xe10
-#define GM_PAMBL_LEN_LBN 12
-#define GM_PAMBL_LEN_WIDTH 4
-#define GM_IF_MODE_LBN 8
-#define GM_IF_MODE_WIDTH 2
-#define GM_LEN_CHK_LBN 4
-#define GM_LEN_CHK_WIDTH 1
-#define GM_PAD_CRC_EN_LBN 2
-#define GM_PAD_CRC_EN_WIDTH 1
-#define GM_FD_LBN 0
-#define GM_FD_WIDTH 1
-
-/* GMAC maximum frame length register */
-#define GM_MAX_FLEN_REG 0xe40
-#define GM_MAX_FLEN_LBN 0
-#define GM_MAX_FLEN_WIDTH 16
-
-/* GMAC station address register 1 */
-#define GM_ADR1_REG 0xf00
-#define GM_HWADDR_5_LBN 24
-#define GM_HWADDR_5_WIDTH 8
-#define GM_HWADDR_4_LBN 16
-#define GM_HWADDR_4_WIDTH 8
-#define GM_HWADDR_3_LBN 8
-#define GM_HWADDR_3_WIDTH 8
-#define GM_HWADDR_2_LBN 0
-#define GM_HWADDR_2_WIDTH 8
-
-/* GMAC station address register 2 */
-#define GM_ADR2_REG 0xf10
-#define GM_HWADDR_1_LBN 24
-#define GM_HWADDR_1_WIDTH 8
-#define GM_HWADDR_0_LBN 16
-#define GM_HWADDR_0_WIDTH 8
-
-/* GMAC FIFO configuration register 0 */
-#define GMF_CFG0_REG 0xf20
-#define GMF_FTFENREQ_LBN 12
-#define GMF_FTFENREQ_WIDTH 1
-#define GMF_STFENREQ_LBN 11
-#define GMF_STFENREQ_WIDTH 1
-#define GMF_FRFENREQ_LBN 10
-#define GMF_FRFENREQ_WIDTH 1
-#define GMF_SRFENREQ_LBN 9
-#define GMF_SRFENREQ_WIDTH 1
-#define GMF_WTMENREQ_LBN 8
-#define GMF_WTMENREQ_WIDTH 1
-
-/* GMAC FIFO configuration register 1 */
-#define GMF_CFG1_REG 0xf30
-#define GMF_CFGFRTH_LBN 16
-#define GMF_CFGFRTH_WIDTH 5
-#define GMF_CFGXOFFRTX_LBN 0
-#define GMF_CFGXOFFRTX_WIDTH 16
-
-/* GMAC FIFO configuration register 2 */
-#define GMF_CFG2_REG 0xf40
-#define GMF_CFGHWM_LBN 16
-#define GMF_CFGHWM_WIDTH 6
-#define GMF_CFGLWM_LBN 0
-#define GMF_CFGLWM_WIDTH 6
-
-/* GMAC FIFO configuration register 3 */
-#define GMF_CFG3_REG 0xf50
-#define GMF_CFGHWMFT_LBN 16
-#define GMF_CFGHWMFT_WIDTH 6
-#define GMF_CFGFTTH_LBN 0
-#define GMF_CFGFTTH_WIDTH 6
-
-/* GMAC FIFO configuration register 4 */
-#define GMF_CFG4_REG 0xf60
-#define GMF_HSTFLTRFRM_PAUSE_LBN 12
-#define GMF_HSTFLTRFRM_PAUSE_WIDTH 12
-
-/* GMAC FIFO configuration register 5 */
-#define GMF_CFG5_REG 0xf70
-#define GMF_CFGHDPLX_LBN 22
-#define GMF_CFGHDPLX_WIDTH 1
-#define GMF_CFGBYTMODE_LBN 19
-#define GMF_CFGBYTMODE_WIDTH 1
-#define GMF_HSTDRPLT64_LBN 18
-#define GMF_HSTDRPLT64_WIDTH 1
-#define GMF_HSTFLTRFRMDC_PAUSE_LBN 12
-#define GMF_HSTFLTRFRMDC_PAUSE_WIDTH 1
-
-/* XGMAC address register low */
-#define XM_ADR_LO_REG 0x1200
-#define XM_ADR_3_LBN 24
-#define XM_ADR_3_WIDTH 8
-#define XM_ADR_2_LBN 16
-#define XM_ADR_2_WIDTH 8
-#define XM_ADR_1_LBN 8
-#define XM_ADR_1_WIDTH 8
-#define XM_ADR_0_LBN 0
-#define XM_ADR_0_WIDTH 8
-
-/* XGMAC address register high */
-#define XM_ADR_HI_REG 0x1210
-#define XM_ADR_5_LBN 8
-#define XM_ADR_5_WIDTH 8
-#define XM_ADR_4_LBN 0
-#define XM_ADR_4_WIDTH 8
-
-/* XGMAC global configuration */
-#define XM_GLB_CFG_REG 0x1220
-#define XM_RX_STAT_EN_LBN 11
-#define XM_RX_STAT_EN_WIDTH 1
-#define XM_TX_STAT_EN_LBN 10
-#define XM_TX_STAT_EN_WIDTH 1
-#define XM_RX_JUMBO_MODE_LBN 6
-#define XM_RX_JUMBO_MODE_WIDTH 1
-#define XM_INTCLR_MODE_LBN 3
-#define XM_INTCLR_MODE_WIDTH 1
-#define XM_CORE_RST_LBN 0
-#define XM_CORE_RST_WIDTH 1
-
-/* XGMAC transmit configuration */
-#define XM_TX_CFG_REG 0x1230
-#define XM_IPG_LBN 16
-#define XM_IPG_WIDTH 4
-#define XM_FCNTL_LBN 10
-#define XM_FCNTL_WIDTH 1
-#define XM_TXCRC_LBN 8
-#define XM_TXCRC_WIDTH 1
-#define XM_AUTO_PAD_LBN 5
-#define XM_AUTO_PAD_WIDTH 1
-#define XM_TX_PRMBL_LBN 2
-#define XM_TX_PRMBL_WIDTH 1
-#define XM_TXEN_LBN 1
-#define XM_TXEN_WIDTH 1
-
-/* XGMAC receive configuration */
-#define XM_RX_CFG_REG 0x1240
-#define XM_PASS_CRC_ERR_LBN 25
-#define XM_PASS_CRC_ERR_WIDTH 1
-#define XM_ACPT_ALL_MCAST_LBN 11
-#define XM_ACPT_ALL_MCAST_WIDTH 1
-#define XM_ACPT_ALL_UCAST_LBN 9
-#define XM_ACPT_ALL_UCAST_WIDTH 1
-#define XM_AUTO_DEPAD_LBN 8
-#define XM_AUTO_DEPAD_WIDTH 1
-#define XM_RXEN_LBN 1
-#define XM_RXEN_WIDTH 1
-
-/* XGMAC management interrupt mask register */
-#define XM_MGT_INT_MSK_REG_B0 0x1250
-#define XM_MSK_PRMBLE_ERR_LBN 2
-#define XM_MSK_PRMBLE_ERR_WIDTH 1
-#define XM_MSK_RMTFLT_LBN 1
-#define XM_MSK_RMTFLT_WIDTH 1
-#define XM_MSK_LCLFLT_LBN 0
-#define XM_MSK_LCLFLT_WIDTH 1
-
-/* XGMAC flow control register */
-#define XM_FC_REG 0x1270
-#define XM_PAUSE_TIME_LBN 16
-#define XM_PAUSE_TIME_WIDTH 16
-#define XM_DIS_FCNTL_LBN 0
-#define XM_DIS_FCNTL_WIDTH 1
-
-/* XGMAC pause time count register */
-#define XM_PAUSE_TIME_REG 0x1290
-
-/* XGMAC transmit parameter register */
-#define XM_TX_PARAM_REG 0x012d0
-#define XM_TX_JUMBO_MODE_LBN 31
-#define XM_TX_JUMBO_MODE_WIDTH 1
-#define XM_MAX_TX_FRM_SIZE_LBN 16
-#define XM_MAX_TX_FRM_SIZE_WIDTH 14
-
-/* XGMAC receive parameter register */
-#define XM_RX_PARAM_REG 0x12e0
-#define XM_MAX_RX_FRM_SIZE_LBN 0
-#define XM_MAX_RX_FRM_SIZE_WIDTH 14
-
-/* XGMAC management interrupt status register */
-#define XM_MGT_INT_REG_B0 0x12f0
-#define XM_PRMBLE_ERR 2
-#define XM_PRMBLE_WIDTH 1
-#define XM_RMTFLT_LBN 1
-#define XM_RMTFLT_WIDTH 1
-#define XM_LCLFLT_LBN 0
-#define XM_LCLFLT_WIDTH 1
-
-/* XGXS/XAUI powerdown/reset register */
-#define XX_PWR_RST_REG 0x1300
-
-#define XX_SD_RST_ACT_LBN 16
-#define XX_SD_RST_ACT_WIDTH 1
-#define XX_PWRDND_EN_LBN 15
-#define XX_PWRDND_EN_WIDTH 1
-#define XX_PWRDNC_EN_LBN 14
-#define XX_PWRDNC_EN_WIDTH 1
-#define XX_PWRDNB_EN_LBN 13
-#define XX_PWRDNB_EN_WIDTH 1
-#define XX_PWRDNA_EN_LBN 12
-#define XX_PWRDNA_EN_WIDTH 1
-#define XX_RSTPLLCD_EN_LBN 9
-#define XX_RSTPLLCD_EN_WIDTH 1
-#define XX_RSTPLLAB_EN_LBN 8
-#define XX_RSTPLLAB_EN_WIDTH 1
-#define XX_RESETD_EN_LBN 7
-#define XX_RESETD_EN_WIDTH 1
-#define XX_RESETC_EN_LBN 6
-#define XX_RESETC_EN_WIDTH 1
-#define XX_RESETB_EN_LBN 5
-#define XX_RESETB_EN_WIDTH 1
-#define XX_RESETA_EN_LBN 4
-#define XX_RESETA_EN_WIDTH 1
-#define XX_RSTXGXSRX_EN_LBN 2
-#define XX_RSTXGXSRX_EN_WIDTH 1
-#define XX_RSTXGXSTX_EN_LBN 1
-#define XX_RSTXGXSTX_EN_WIDTH 1
-#define XX_RST_XX_EN_LBN 0
-#define XX_RST_XX_EN_WIDTH 1
-
-/* XGXS/XAUI powerdown/reset control register */
-#define XX_SD_CTL_REG 0x1310
-#define XX_HIDRVD_LBN 15
-#define XX_HIDRVD_WIDTH 1
-#define XX_LODRVD_LBN 14
-#define XX_LODRVD_WIDTH 1
-#define XX_HIDRVC_LBN 13
-#define XX_HIDRVC_WIDTH 1
-#define XX_LODRVC_LBN 12
-#define XX_LODRVC_WIDTH 1
-#define XX_HIDRVB_LBN 11
-#define XX_HIDRVB_WIDTH 1
-#define XX_LODRVB_LBN 10
-#define XX_LODRVB_WIDTH 1
-#define XX_HIDRVA_LBN 9
-#define XX_HIDRVA_WIDTH 1
-#define XX_LODRVA_LBN 8
-#define XX_LODRVA_WIDTH 1
-#define XX_LPBKD_LBN 3
-#define XX_LPBKD_WIDTH 1
-#define XX_LPBKC_LBN 2
-#define XX_LPBKC_WIDTH 1
-#define XX_LPBKB_LBN 1
-#define XX_LPBKB_WIDTH 1
-#define XX_LPBKA_LBN 0
-#define XX_LPBKA_WIDTH 1
-
-#define XX_TXDRV_CTL_REG 0x1320
-#define XX_DEQD_LBN 28
-#define XX_DEQD_WIDTH 4
-#define XX_DEQC_LBN 24
-#define XX_DEQC_WIDTH 4
-#define XX_DEQB_LBN 20
-#define XX_DEQB_WIDTH 4
-#define XX_DEQA_LBN 16
-#define XX_DEQA_WIDTH 4
-#define XX_DTXD_LBN 12
-#define XX_DTXD_WIDTH 4
-#define XX_DTXC_LBN 8
-#define XX_DTXC_WIDTH 4
-#define XX_DTXB_LBN 4
-#define XX_DTXB_WIDTH 4
-#define XX_DTXA_LBN 0
-#define XX_DTXA_WIDTH 4
-
-/* XAUI XGXS core status register */
-#define XX_CORE_STAT_REG 0x1360
-#define XX_FORCE_SIG_LBN 24
-#define XX_FORCE_SIG_WIDTH 8
-#define XX_FORCE_SIG_DECODE_FORCED 0xff
-#define XX_XGXS_LB_EN_LBN 23
-#define XX_XGXS_LB_EN_WIDTH 1
-#define XX_XGMII_LB_EN_LBN 22
-#define XX_XGMII_LB_EN_WIDTH 1
-#define XX_ALIGN_DONE_LBN 20
-#define XX_ALIGN_DONE_WIDTH 1
-#define XX_SYNC_STAT_LBN 16
-#define XX_SYNC_STAT_WIDTH 4
-#define XX_SYNC_STAT_DECODE_SYNCED 0xf
-#define XX_COMMA_DET_LBN 12
-#define XX_COMMA_DET_WIDTH 4
-#define XX_COMMA_DET_DECODE_DETECTED 0xf
-#define XX_COMMA_DET_RESET 0xf
-#define XX_CHARERR_LBN 4
-#define XX_CHARERR_WIDTH 4
-#define XX_CHARERR_RESET 0xf
-#define XX_DISPERR_LBN 0
-#define XX_DISPERR_WIDTH 4
-#define XX_DISPERR_RESET 0xf
-
-/* Receive filter table */
-#define RX_FILTER_TBL0 0xF00000
-
-/* Receive descriptor pointer table */
-#define RX_DESC_PTR_TBL_KER_A1 0x11800
-#define RX_DESC_PTR_TBL_KER_B0 0xF40000
-#define RX_DESC_PTR_TBL_KER_P0 0x900
-#define RX_ISCSI_DDIG_EN_LBN 88
-#define RX_ISCSI_DDIG_EN_WIDTH 1
-#define RX_ISCSI_HDIG_EN_LBN 87
-#define RX_ISCSI_HDIG_EN_WIDTH 1
-#define RX_DESCQ_BUF_BASE_ID_LBN 36
-#define RX_DESCQ_BUF_BASE_ID_WIDTH 20
-#define RX_DESCQ_EVQ_ID_LBN 24
-#define RX_DESCQ_EVQ_ID_WIDTH 12
-#define RX_DESCQ_OWNER_ID_LBN 10
-#define RX_DESCQ_OWNER_ID_WIDTH 14
-#define RX_DESCQ_LABEL_LBN 5
-#define RX_DESCQ_LABEL_WIDTH 5
-#define RX_DESCQ_SIZE_LBN 3
-#define RX_DESCQ_SIZE_WIDTH 2
-#define RX_DESCQ_SIZE_4K 3
-#define RX_DESCQ_SIZE_2K 2
-#define RX_DESCQ_SIZE_1K 1
-#define RX_DESCQ_SIZE_512 0
-#define RX_DESCQ_TYPE_LBN 2
-#define RX_DESCQ_TYPE_WIDTH 1
-#define RX_DESCQ_JUMBO_LBN 1
-#define RX_DESCQ_JUMBO_WIDTH 1
-#define RX_DESCQ_EN_LBN 0
-#define RX_DESCQ_EN_WIDTH 1
-
-/* Transmit descriptor pointer table */
-#define TX_DESC_PTR_TBL_KER_A1 0x11900
-#define TX_DESC_PTR_TBL_KER_B0 0xF50000
-#define TX_DESC_PTR_TBL_KER_P0 0xa40
-#define TX_NON_IP_DROP_DIS_B0_LBN 91
-#define TX_NON_IP_DROP_DIS_B0_WIDTH 1
-#define TX_IP_CHKSM_DIS_B0_LBN 90
-#define TX_IP_CHKSM_DIS_B0_WIDTH 1
-#define TX_TCP_CHKSM_DIS_B0_LBN 89
-#define TX_TCP_CHKSM_DIS_B0_WIDTH 1
-#define TX_DESCQ_EN_LBN 88
-#define TX_DESCQ_EN_WIDTH 1
-#define TX_ISCSI_DDIG_EN_LBN 87
-#define TX_ISCSI_DDIG_EN_WIDTH 1
-#define TX_ISCSI_HDIG_EN_LBN 86
-#define TX_ISCSI_HDIG_EN_WIDTH 1
-#define TX_DESCQ_BUF_BASE_ID_LBN 36
-#define TX_DESCQ_BUF_BASE_ID_WIDTH 20
-#define TX_DESCQ_EVQ_ID_LBN 24
-#define TX_DESCQ_EVQ_ID_WIDTH 12
-#define TX_DESCQ_OWNER_ID_LBN 10
-#define TX_DESCQ_OWNER_ID_WIDTH 14
-#define TX_DESCQ_LABEL_LBN 5
-#define TX_DESCQ_LABEL_WIDTH 5
-#define TX_DESCQ_SIZE_LBN 3
-#define TX_DESCQ_SIZE_WIDTH 2
-#define TX_DESCQ_SIZE_4K 3
-#define TX_DESCQ_SIZE_2K 2
-#define TX_DESCQ_SIZE_1K 1
-#define TX_DESCQ_SIZE_512 0
-#define TX_DESCQ_TYPE_LBN 1
-#define TX_DESCQ_TYPE_WIDTH 2
-
-/* Event queue pointer */
-#define EVQ_PTR_TBL_KER_A1 0x11a00
-#define EVQ_PTR_TBL_KER_B0 0xf60000
-#define EVQ_PTR_TBL_KER_P0 0x500
-#define EVQ_EN_LBN 23
-#define EVQ_EN_WIDTH 1
-#define EVQ_SIZE_LBN 20
-#define EVQ_SIZE_WIDTH 3
-#define EVQ_SIZE_32K 6
-#define EVQ_SIZE_16K 5
-#define EVQ_SIZE_8K 4
-#define EVQ_SIZE_4K 3
-#define EVQ_SIZE_2K 2
-#define EVQ_SIZE_1K 1
-#define EVQ_SIZE_512 0
-#define EVQ_BUF_BASE_ID_LBN 0
-#define EVQ_BUF_BASE_ID_WIDTH 20
-
-/* Event queue read pointer */
-#define EVQ_RPTR_REG_KER_A1 0x11b00
-#define EVQ_RPTR_REG_KER_B0 0xfa0000
-#define EVQ_RPTR_REG_KER_DWORD (EVQ_RPTR_REG_KER + 0)
-#define EVQ_RPTR_DWORD_LBN 0
-#define EVQ_RPTR_DWORD_WIDTH 14
-
-/* RSS indirection table */
-#define RX_RSS_INDIR_TBL_B0 0xFB0000
-#define RX_RSS_INDIR_ENT_B0_LBN 0
-#define RX_RSS_INDIR_ENT_B0_WIDTH 6
-
-/* Special buffer descriptors (full-mode) */
-#define BUF_FULL_TBL_KER_A1 0x8000
-#define BUF_FULL_TBL_KER_B0 0x800000
-#define IP_DAT_BUF_SIZE_LBN 50
-#define IP_DAT_BUF_SIZE_WIDTH 1
-#define IP_DAT_BUF_SIZE_8K 1
-#define IP_DAT_BUF_SIZE_4K 0
-#define BUF_ADR_REGION_LBN 48
-#define BUF_ADR_REGION_WIDTH 2
-#define BUF_ADR_FBUF_LBN 14
-#define BUF_ADR_FBUF_WIDTH 34
-#define BUF_OWNER_ID_FBUF_LBN 0
-#define BUF_OWNER_ID_FBUF_WIDTH 14
-
-/* Transmit descriptor */
-#define TX_KER_PORT_LBN 63
-#define TX_KER_PORT_WIDTH 1
-#define TX_KER_CONT_LBN 62
-#define TX_KER_CONT_WIDTH 1
-#define TX_KER_BYTE_CNT_LBN 48
-#define TX_KER_BYTE_CNT_WIDTH 14
-#define TX_KER_BUF_REGION_LBN 46
-#define TX_KER_BUF_REGION_WIDTH 2
-#define TX_KER_BUF_REGION0_DECODE 0
-#define TX_KER_BUF_REGION1_DECODE 1
-#define TX_KER_BUF_REGION2_DECODE 2
-#define TX_KER_BUF_REGION3_DECODE 3
-#define TX_KER_BUF_ADR_LBN 0
-#define TX_KER_BUF_ADR_WIDTH EFX_DMA_TYPE_WIDTH(46)
-
-/* Receive descriptor */
-#define RX_KER_BUF_SIZE_LBN 48
-#define RX_KER_BUF_SIZE_WIDTH 14
-#define RX_KER_BUF_REGION_LBN 46
-#define RX_KER_BUF_REGION_WIDTH 2
-#define RX_KER_BUF_REGION0_DECODE 0
-#define RX_KER_BUF_REGION1_DECODE 1
-#define RX_KER_BUF_REGION2_DECODE 2
-#define RX_KER_BUF_REGION3_DECODE 3
-#define RX_KER_BUF_ADR_LBN 0
-#define RX_KER_BUF_ADR_WIDTH EFX_DMA_TYPE_WIDTH(46)
-
-/**************************************************************************
- *
- * Falcon events
- *
- **************************************************************************
- */
-
-/* Event queue entries */
-#define EV_CODE_LBN 60
-#define EV_CODE_WIDTH 4
-#define RX_IP_EV_DECODE 0
-#define TX_IP_EV_DECODE 2
-#define DRIVER_EV_DECODE 5
-#define GLOBAL_EV_DECODE 6
-#define DRV_GEN_EV_DECODE 7
-#define WHOLE_EVENT_LBN 0
-#define WHOLE_EVENT_WIDTH 64
-
-/* Receive events */
-#define RX_EV_PKT_OK_LBN 56
-#define RX_EV_PKT_OK_WIDTH 1
-#define RX_EV_PAUSE_FRM_ERR_LBN 55
-#define RX_EV_PAUSE_FRM_ERR_WIDTH 1
-#define RX_EV_BUF_OWNER_ID_ERR_LBN 54
-#define RX_EV_BUF_OWNER_ID_ERR_WIDTH 1
-#define RX_EV_IF_FRAG_ERR_LBN 53
-#define RX_EV_IF_FRAG_ERR_WIDTH 1
-#define RX_EV_IP_HDR_CHKSUM_ERR_LBN 52
-#define RX_EV_IP_HDR_CHKSUM_ERR_WIDTH 1
-#define RX_EV_TCP_UDP_CHKSUM_ERR_LBN 51
-#define RX_EV_TCP_UDP_CHKSUM_ERR_WIDTH 1
-#define RX_EV_ETH_CRC_ERR_LBN 50
-#define RX_EV_ETH_CRC_ERR_WIDTH 1
-#define RX_EV_FRM_TRUNC_LBN 49
-#define RX_EV_FRM_TRUNC_WIDTH 1
-#define RX_EV_DRIB_NIB_LBN 48
-#define RX_EV_DRIB_NIB_WIDTH 1
-#define RX_EV_TOBE_DISC_LBN 47
-#define RX_EV_TOBE_DISC_WIDTH 1
-#define RX_EV_PKT_TYPE_LBN 44
-#define RX_EV_PKT_TYPE_WIDTH 3
-#define RX_EV_PKT_TYPE_ETH_DECODE 0
-#define RX_EV_PKT_TYPE_LLC_DECODE 1
-#define RX_EV_PKT_TYPE_JUMBO_DECODE 2
-#define RX_EV_PKT_TYPE_VLAN_DECODE 3
-#define RX_EV_PKT_TYPE_VLAN_LLC_DECODE 4
-#define RX_EV_PKT_TYPE_VLAN_JUMBO_DECODE 5
-#define RX_EV_HDR_TYPE_LBN 42
-#define RX_EV_HDR_TYPE_WIDTH 2
-#define RX_EV_HDR_TYPE_TCP_IPV4_DECODE 0
-#define RX_EV_HDR_TYPE_UDP_IPV4_DECODE 1
-#define RX_EV_HDR_TYPE_OTHER_IP_DECODE 2
-#define RX_EV_HDR_TYPE_NON_IP_DECODE 3
-#define RX_EV_HDR_TYPE_HAS_CHECKSUMS(hdr_type) \
-	((hdr_type) <= RX_EV_HDR_TYPE_UDP_IPV4_DECODE)
-#define RX_EV_MCAST_HASH_MATCH_LBN 40
-#define RX_EV_MCAST_HASH_MATCH_WIDTH 1
-#define RX_EV_MCAST_PKT_LBN 39
-#define RX_EV_MCAST_PKT_WIDTH 1
-#define RX_EV_Q_LABEL_LBN 32
-#define RX_EV_Q_LABEL_WIDTH 5
-#define RX_EV_JUMBO_CONT_LBN 31
-#define RX_EV_JUMBO_CONT_WIDTH 1
-#define RX_EV_BYTE_CNT_LBN 16
-#define RX_EV_BYTE_CNT_WIDTH 14
-#define RX_EV_SOP_LBN 15
-#define RX_EV_SOP_WIDTH 1
-#define RX_EV_DESC_PTR_LBN 0
-#define RX_EV_DESC_PTR_WIDTH 12
-
-/* Transmit events */
-#define TX_EV_PKT_ERR_LBN 38
-#define TX_EV_PKT_ERR_WIDTH 1
-#define TX_EV_Q_LABEL_LBN 32
-#define TX_EV_Q_LABEL_WIDTH 5
-#define TX_EV_WQ_FF_FULL_LBN 15
-#define TX_EV_WQ_FF_FULL_WIDTH 1
-#define TX_EV_COMP_LBN 12
-#define TX_EV_COMP_WIDTH 1
-#define TX_EV_DESC_PTR_LBN 0
-#define TX_EV_DESC_PTR_WIDTH 12
-
-/* Driver events */
-#define DRIVER_EV_SUB_CODE_LBN 56
-#define DRIVER_EV_SUB_CODE_WIDTH 4
-#define DRIVER_EV_SUB_DATA_LBN 0
-#define DRIVER_EV_SUB_DATA_WIDTH 14
-#define TX_DESCQ_FLS_DONE_EV_DECODE 0
-#define RX_DESCQ_FLS_DONE_EV_DECODE 1
-#define EVQ_INIT_DONE_EV_DECODE 2
-#define EVQ_NOT_EN_EV_DECODE 3
-#define RX_DESCQ_FLSFF_OVFL_EV_DECODE 4
-#define SRM_UPD_DONE_EV_DECODE 5
-#define WAKE_UP_EV_DECODE 6
-#define TX_PKT_NON_TCP_UDP_DECODE 9
-#define TIMER_EV_DECODE 10
-#define RX_RECOVERY_EV_DECODE 11
-#define RX_DSC_ERROR_EV_DECODE 14
-#define TX_DSC_ERROR_EV_DECODE 15
-#define DRIVER_EV_TX_DESCQ_ID_LBN 0
-#define DRIVER_EV_TX_DESCQ_ID_WIDTH 12
-#define DRIVER_EV_RX_FLUSH_FAIL_LBN 12
-#define DRIVER_EV_RX_FLUSH_FAIL_WIDTH 1
-#define DRIVER_EV_RX_DESCQ_ID_LBN 0
-#define DRIVER_EV_RX_DESCQ_ID_WIDTH 12
-#define SRM_CLR_EV_DECODE 0
-#define SRM_UPD_EV_DECODE 1
-#define SRM_ILLCLR_EV_DECODE 2
-
-/* Global events */
-#define RX_RECOVERY_B0_LBN 12
-#define RX_RECOVERY_B0_WIDTH 1
-#define XG_MNT_INTR_B0_LBN 11
-#define XG_MNT_INTR_B0_WIDTH 1
-#define RX_RECOVERY_A1_LBN 11
-#define RX_RECOVERY_A1_WIDTH 1
-#define XFP_PHY_INTR_LBN 10
-#define XFP_PHY_INTR_WIDTH 1
-#define XG_PHY_INTR_LBN 9
-#define XG_PHY_INTR_WIDTH 1
-#define G_PHY1_INTR_LBN 8
-#define G_PHY1_INTR_WIDTH 1
-#define G_PHY0_INTR_LBN 7
-#define G_PHY0_INTR_WIDTH 1
-
-/* Driver-generated test events */
-#define EVQ_MAGIC_LBN 0
-#define EVQ_MAGIC_WIDTH 32
-
-/**************************************************************************
- *
- * Falcon MAC stats
- *
- **************************************************************************
- *
- */
-
-#define GRxGoodOct_offset 0x0
-#define GRxGoodOct_WIDTH 48
-#define GRxBadOct_offset 0x8
-#define GRxBadOct_WIDTH 48
-#define GRxMissPkt_offset 0x10
-#define GRxMissPkt_WIDTH 32
-#define GRxFalseCRS_offset 0x14
-#define GRxFalseCRS_WIDTH 32
-#define GRxPausePkt_offset 0x18
-#define GRxPausePkt_WIDTH 32
-#define GRxBadPkt_offset 0x1C
-#define GRxBadPkt_WIDTH 32
-#define GRxUcastPkt_offset 0x20
-#define GRxUcastPkt_WIDTH 32
-#define GRxMcastPkt_offset 0x24
-#define GRxMcastPkt_WIDTH 32
-#define GRxBcastPkt_offset 0x28
-#define GRxBcastPkt_WIDTH 32
-#define GRxGoodLt64Pkt_offset 0x2C
-#define GRxGoodLt64Pkt_WIDTH 32
-#define GRxBadLt64Pkt_offset 0x30
-#define GRxBadLt64Pkt_WIDTH 32
-#define GRx64Pkt_offset 0x34
-#define GRx64Pkt_WIDTH 32
-#define GRx65to127Pkt_offset 0x38
-#define GRx65to127Pkt_WIDTH 32
-#define GRx128to255Pkt_offset 0x3C
-#define GRx128to255Pkt_WIDTH 32
-#define GRx256to511Pkt_offset 0x40
-#define GRx256to511Pkt_WIDTH 32
-#define GRx512to1023Pkt_offset 0x44
-#define GRx512to1023Pkt_WIDTH 32
-#define GRx1024to15xxPkt_offset 0x48
-#define GRx1024to15xxPkt_WIDTH 32
-#define GRx15xxtoJumboPkt_offset 0x4C
-#define GRx15xxtoJumboPkt_WIDTH 32
-#define GRxGtJumboPkt_offset 0x50
-#define GRxGtJumboPkt_WIDTH 32
-#define GRxFcsErr64to15xxPkt_offset 0x54
-#define GRxFcsErr64to15xxPkt_WIDTH 32
-#define GRxFcsErr15xxtoJumboPkt_offset 0x58
-#define GRxFcsErr15xxtoJumboPkt_WIDTH 32
-#define GRxFcsErrGtJumboPkt_offset 0x5C
-#define GRxFcsErrGtJumboPkt_WIDTH 32
-#define GTxGoodBadOct_offset 0x80
-#define GTxGoodBadOct_WIDTH 48
-#define GTxGoodOct_offset 0x88
-#define GTxGoodOct_WIDTH 48
-#define GTxSglColPkt_offset 0x90
-#define GTxSglColPkt_WIDTH 32
-#define GTxMultColPkt_offset 0x94
-#define GTxMultColPkt_WIDTH 32
-#define GTxExColPkt_offset 0x98
-#define GTxExColPkt_WIDTH 32
-#define GTxDefPkt_offset 0x9C
-#define GTxDefPkt_WIDTH 32
-#define GTxLateCol_offset 0xA0
-#define GTxLateCol_WIDTH 32
-#define GTxExDefPkt_offset 0xA4
-#define GTxExDefPkt_WIDTH 32
-#define GTxPausePkt_offset 0xA8
-#define GTxPausePkt_WIDTH 32
-#define GTxBadPkt_offset 0xAC
-#define GTxBadPkt_WIDTH 32
-#define GTxUcastPkt_offset 0xB0
-#define GTxUcastPkt_WIDTH 32
-#define GTxMcastPkt_offset 0xB4
-#define GTxMcastPkt_WIDTH 32
-#define GTxBcastPkt_offset 0xB8
-#define GTxBcastPkt_WIDTH 32
-#define GTxLt64Pkt_offset 0xBC
-#define GTxLt64Pkt_WIDTH 32
-#define GTx64Pkt_offset 0xC0
-#define GTx64Pkt_WIDTH 32
-#define GTx65to127Pkt_offset 0xC4
-#define GTx65to127Pkt_WIDTH 32
-#define GTx128to255Pkt_offset 0xC8
-#define GTx128to255Pkt_WIDTH 32
-#define GTx256to511Pkt_offset 0xCC
-#define GTx256to511Pkt_WIDTH 32
-#define GTx512to1023Pkt_offset 0xD0
-#define GTx512to1023Pkt_WIDTH 32
-#define GTx1024to15xxPkt_offset 0xD4
-#define GTx1024to15xxPkt_WIDTH 32
-#define GTx15xxtoJumboPkt_offset 0xD8
-#define GTx15xxtoJumboPkt_WIDTH 32
-#define GTxGtJumboPkt_offset 0xDC
-#define GTxGtJumboPkt_WIDTH 32
-#define GTxNonTcpUdpPkt_offset 0xE0
-#define GTxNonTcpUdpPkt_WIDTH 16
-#define GTxMacSrcErrPkt_offset 0xE4
-#define GTxMacSrcErrPkt_WIDTH 16
-#define GTxIpSrcErrPkt_offset 0xE8
-#define GTxIpSrcErrPkt_WIDTH 16
-#define GDmaDone_offset 0xEC
-#define GDmaDone_WIDTH 32
-
-#define XgRxOctets_offset 0x0
-#define XgRxOctets_WIDTH 48
-#define XgRxOctetsOK_offset 0x8
-#define XgRxOctetsOK_WIDTH 48
-#define XgRxPkts_offset 0x10
-#define XgRxPkts_WIDTH 32
-#define XgRxPktsOK_offset 0x14
-#define XgRxPktsOK_WIDTH 32
-#define XgRxBroadcastPkts_offset 0x18
-#define XgRxBroadcastPkts_WIDTH 32
-#define XgRxMulticastPkts_offset 0x1C
-#define XgRxMulticastPkts_WIDTH 32
-#define XgRxUnicastPkts_offset 0x20
-#define XgRxUnicastPkts_WIDTH 32
-#define XgRxUndersizePkts_offset 0x24
-#define XgRxUndersizePkts_WIDTH 32
-#define XgRxOversizePkts_offset 0x28
-#define XgRxOversizePkts_WIDTH 32
-#define XgRxJabberPkts_offset 0x2C
-#define XgRxJabberPkts_WIDTH 32
-#define XgRxUndersizeFCSerrorPkts_offset 0x30
-#define XgRxUndersizeFCSerrorPkts_WIDTH 32
-#define XgRxDropEvents_offset 0x34
-#define XgRxDropEvents_WIDTH 32
-#define XgRxFCSerrorPkts_offset 0x38
-#define XgRxFCSerrorPkts_WIDTH 32
-#define XgRxAlignError_offset 0x3C
-#define XgRxAlignError_WIDTH 32
-#define XgRxSymbolError_offset 0x40
-#define XgRxSymbolError_WIDTH 32
-#define XgRxInternalMACError_offset 0x44
-#define XgRxInternalMACError_WIDTH 32
-#define XgRxControlPkts_offset 0x48
-#define XgRxControlPkts_WIDTH 32
-#define XgRxPausePkts_offset 0x4C
-#define XgRxPausePkts_WIDTH 32
-#define XgRxPkts64Octets_offset 0x50
-#define XgRxPkts64Octets_WIDTH 32
-#define XgRxPkts65to127Octets_offset 0x54
-#define XgRxPkts65to127Octets_WIDTH 32
-#define XgRxPkts128to255Octets_offset 0x58
-#define XgRxPkts128to255Octets_WIDTH 32
-#define XgRxPkts256to511Octets_offset 0x5C
-#define XgRxPkts256to511Octets_WIDTH 32
-#define XgRxPkts512to1023Octets_offset 0x60
-#define XgRxPkts512to1023Octets_WIDTH 32
-#define XgRxPkts1024to15xxOctets_offset 0x64
-#define XgRxPkts1024to15xxOctets_WIDTH 32
-#define XgRxPkts15xxtoMaxOctets_offset 0x68
-#define XgRxPkts15xxtoMaxOctets_WIDTH 32
-#define XgRxLengthError_offset 0x6C
-#define XgRxLengthError_WIDTH 32
-#define XgTxPkts_offset 0x80
-#define XgTxPkts_WIDTH 32
-#define XgTxOctets_offset 0x88
-#define XgTxOctets_WIDTH 48
-#define XgTxMulticastPkts_offset 0x90
-#define XgTxMulticastPkts_WIDTH 32
-#define XgTxBroadcastPkts_offset 0x94
-#define XgTxBroadcastPkts_WIDTH 32
-#define XgTxUnicastPkts_offset 0x98
-#define XgTxUnicastPkts_WIDTH 32
-#define XgTxControlPkts_offset 0x9C
-#define XgTxControlPkts_WIDTH 32
-#define XgTxPausePkts_offset 0xA0
-#define XgTxPausePkts_WIDTH 32
-#define XgTxPkts64Octets_offset 0xA4
-#define XgTxPkts64Octets_WIDTH 32
-#define XgTxPkts65to127Octets_offset 0xA8
-#define XgTxPkts65to127Octets_WIDTH 32
-#define XgTxPkts128to255Octets_offset 0xAC
-#define XgTxPkts128to255Octets_WIDTH 32
-#define XgTxPkts256to511Octets_offset 0xB0
-#define XgTxPkts256to511Octets_WIDTH 32
-#define XgTxPkts512to1023Octets_offset 0xB4
-#define XgTxPkts512to1023Octets_WIDTH 32
-#define XgTxPkts1024to15xxOctets_offset 0xB8
-#define XgTxPkts1024to15xxOctets_WIDTH 32
-#define XgTxPkts1519toMaxOctets_offset 0xBC
-#define XgTxPkts1519toMaxOctets_WIDTH 32
-#define XgTxUndersizePkts_offset 0xC0
-#define XgTxUndersizePkts_WIDTH 32
-#define XgTxOversizePkts_offset 0xC4
-#define XgTxOversizePkts_WIDTH 32
-#define XgTxNonTcpUdpPkt_offset 0xC8
-#define XgTxNonTcpUdpPkt_WIDTH 16
-#define XgTxMacSrcErrPkt_offset 0xCC
-#define XgTxMacSrcErrPkt_WIDTH 16
-#define XgTxIpSrcErrPkt_offset 0xD0
-#define XgTxIpSrcErrPkt_WIDTH 16
-#define XgDmaDone_offset 0xD4
-
-#define FALCON_STATS_NOT_DONE 0x00000000
-#define FALCON_STATS_DONE 0xffffffff
-
-/* Interrupt status register bits */
-#define FATAL_INT_LBN 64
-#define FATAL_INT_WIDTH 1
-#define INT_EVQS_LBN 40
-#define INT_EVQS_WIDTH 4
-
-/**************************************************************************
- *
- * Falcon non-volatile configuration
- *
- **************************************************************************
- */
-
-/* Board configuration v2 (v1 is obsolete; later versions are compatible) */
-struct falcon_nvconfig_board_v2 {
-	__le16 nports;
-	u8 port0_phy_addr;
-	u8 port0_phy_type;
-	u8 port1_phy_addr;
-	u8 port1_phy_type;
-	__le16 asic_sub_revision;
-	__le16 board_revision;
-} __packed;
-
-/* Board configuration v3 extra information */
-struct falcon_nvconfig_board_v3 {
-	__le32 spi_device_type[2];
-} __packed;
-
-/* Bit numbers for spi_device_type */
-#define SPI_DEV_TYPE_SIZE_LBN 0
-#define SPI_DEV_TYPE_SIZE_WIDTH 5
-#define SPI_DEV_TYPE_ADDR_LEN_LBN 6
-#define SPI_DEV_TYPE_ADDR_LEN_WIDTH 2
-#define SPI_DEV_TYPE_ERASE_CMD_LBN 8
-#define SPI_DEV_TYPE_ERASE_CMD_WIDTH 8
-#define SPI_DEV_TYPE_ERASE_SIZE_LBN 16
-#define SPI_DEV_TYPE_ERASE_SIZE_WIDTH 5
-#define SPI_DEV_TYPE_BLOCK_SIZE_LBN 24
-#define SPI_DEV_TYPE_BLOCK_SIZE_WIDTH 5
-#define SPI_DEV_TYPE_FIELD(type, field)					\
-	(((type) >> EFX_LOW_BIT(field)) & EFX_MASK32(EFX_WIDTH(field)))
-
-#define NVCONFIG_OFFSET 0x300
-
-#define NVCONFIG_BOARD_MAGIC_NUM 0xFA1C
-struct falcon_nvconfig {
-	efx_oword_t ee_vpd_cfg_reg;			/* 0x300 */
-	u8 mac_address[2][8];			/* 0x310 */
-	efx_oword_t pcie_sd_ctl0123_reg;		/* 0x320 */
-	efx_oword_t pcie_sd_ctl45_reg;			/* 0x330 */
-	efx_oword_t pcie_pcs_ctl_stat_reg;		/* 0x340 */
-	efx_oword_t hw_init_reg;			/* 0x350 */
-	efx_oword_t nic_stat_reg;			/* 0x360 */
-	efx_oword_t glb_ctl_reg;			/* 0x370 */
-	efx_oword_t srm_cfg_reg;			/* 0x380 */
-	efx_oword_t spare_reg;				/* 0x390 */
-	__le16 board_magic_num;			/* 0x3A0 */
-	__le16 board_struct_ver;
-	__le16 board_checksum;
-	struct falcon_nvconfig_board_v2 board_v2;
-	efx_oword_t ee_base_page_reg;			/* 0x3B0 */
-	struct falcon_nvconfig_board_v3 board_v3;
-} __packed;
-
-#endif /* EFX_FALCON_HWDEFS_H */
diff --git a/drivers/net/sfc/falcon_xmac.c b/drivers/net/sfc/falcon_xmac.c
index b486a2b317b..44e65584ee3 100644
--- a/drivers/net/sfc/falcon_xmac.c
+++ b/drivers/net/sfc/falcon_xmac.c
@@ -12,7 +12,7 @@
 #include "net_driver.h"
 #include "efx.h"
 #include "falcon.h"
-#include "falcon_hwdefs.h"
+#include "regs.h"
 #include "falcon_io.h"
 #include "mac.h"
 #include "mdio_10g.h"
@@ -35,27 +35,27 @@ static void falcon_setup_xaui(struct efx_nic *efx)
 	if (efx->phy_type == PHY_TYPE_NONE)
 		return;
 
-	falcon_read(efx, &sdctl, XX_SD_CTL_REG);
-	EFX_SET_OWORD_FIELD(sdctl, XX_HIDRVD, XX_SD_CTL_DRV_DEFAULT);
-	EFX_SET_OWORD_FIELD(sdctl, XX_LODRVD, XX_SD_CTL_DRV_DEFAULT);
-	EFX_SET_OWORD_FIELD(sdctl, XX_HIDRVC, XX_SD_CTL_DRV_DEFAULT);
-	EFX_SET_OWORD_FIELD(sdctl, XX_LODRVC, XX_SD_CTL_DRV_DEFAULT);
-	EFX_SET_OWORD_FIELD(sdctl, XX_HIDRVB, XX_SD_CTL_DRV_DEFAULT);
-	EFX_SET_OWORD_FIELD(sdctl, XX_LODRVB, XX_SD_CTL_DRV_DEFAULT);
-	EFX_SET_OWORD_FIELD(sdctl, XX_HIDRVA, XX_SD_CTL_DRV_DEFAULT);
-	EFX_SET_OWORD_FIELD(sdctl, XX_LODRVA, XX_SD_CTL_DRV_DEFAULT);
-	falcon_write(efx, &sdctl, XX_SD_CTL_REG);
+	falcon_read(efx, &sdctl, FR_AB_XX_SD_CTL);
+	EFX_SET_OWORD_FIELD(sdctl, FRF_AB_XX_HIDRVD, FFE_AB_XX_SD_CTL_DRV_DEF);
+	EFX_SET_OWORD_FIELD(sdctl, FRF_AB_XX_LODRVD, FFE_AB_XX_SD_CTL_DRV_DEF);
+	EFX_SET_OWORD_FIELD(sdctl, FRF_AB_XX_HIDRVC, FFE_AB_XX_SD_CTL_DRV_DEF);
+	EFX_SET_OWORD_FIELD(sdctl, FRF_AB_XX_LODRVC, FFE_AB_XX_SD_CTL_DRV_DEF);
+	EFX_SET_OWORD_FIELD(sdctl, FRF_AB_XX_HIDRVB, FFE_AB_XX_SD_CTL_DRV_DEF);
+	EFX_SET_OWORD_FIELD(sdctl, FRF_AB_XX_LODRVB, FFE_AB_XX_SD_CTL_DRV_DEF);
+	EFX_SET_OWORD_FIELD(sdctl, FRF_AB_XX_HIDRVA, FFE_AB_XX_SD_CTL_DRV_DEF);
+	EFX_SET_OWORD_FIELD(sdctl, FRF_AB_XX_LODRVA, FFE_AB_XX_SD_CTL_DRV_DEF);
+	falcon_write(efx, &sdctl, FR_AB_XX_SD_CTL);
 
 	EFX_POPULATE_OWORD_8(txdrv,
-			     XX_DEQD, XX_TXDRV_DEQ_DEFAULT,
-			     XX_DEQC, XX_TXDRV_DEQ_DEFAULT,
-			     XX_DEQB, XX_TXDRV_DEQ_DEFAULT,
-			     XX_DEQA, XX_TXDRV_DEQ_DEFAULT,
-			     XX_DTXD, XX_TXDRV_DTX_DEFAULT,
-			     XX_DTXC, XX_TXDRV_DTX_DEFAULT,
-			     XX_DTXB, XX_TXDRV_DTX_DEFAULT,
-			     XX_DTXA, XX_TXDRV_DTX_DEFAULT);
-	falcon_write(efx, &txdrv, XX_TXDRV_CTL_REG);
+			     FRF_AB_XX_DEQD, FFE_AB_XX_TXDRV_DEQ_DEF,
+			     FRF_AB_XX_DEQC, FFE_AB_XX_TXDRV_DEQ_DEF,
+			     FRF_AB_XX_DEQB, FFE_AB_XX_TXDRV_DEQ_DEF,
+			     FRF_AB_XX_DEQA, FFE_AB_XX_TXDRV_DEQ_DEF,
+			     FRF_AB_XX_DTXD, FFE_AB_XX_TXDRV_DTX_DEF,
+			     FRF_AB_XX_DTXC, FFE_AB_XX_TXDRV_DTX_DEF,
+			     FRF_AB_XX_DTXB, FFE_AB_XX_TXDRV_DTX_DEF,
+			     FRF_AB_XX_DTXA, FFE_AB_XX_TXDRV_DTX_DEF);
+	falcon_write(efx, &txdrv, FR_AB_XX_TXDRV_CTL);
 }
 
 int falcon_reset_xaui(struct efx_nic *efx)
@@ -64,14 +64,14 @@ int falcon_reset_xaui(struct efx_nic *efx)
 	int count;
 
 	/* Start reset sequence */
-	EFX_POPULATE_DWORD_1(reg, XX_RST_XX_EN, 1);
-	falcon_write(efx, &reg, XX_PWR_RST_REG);
+	EFX_POPULATE_DWORD_1(reg, FRF_AB_XX_RST_XX_EN, 1);
+	falcon_write(efx, &reg, FR_AB_XX_PWR_RST);
 
 	/* Wait up to 10 ms for completion, then reinitialise */
 	for (count = 0; count < 1000; count++) {
-		falcon_read(efx, &reg, XX_PWR_RST_REG);
-		if (EFX_OWORD_FIELD(reg, XX_RST_XX_EN) == 0 &&
-		    EFX_OWORD_FIELD(reg, XX_SD_RST_ACT) == 0) {
+		falcon_read(efx, &reg, FR_AB_XX_PWR_RST);
+		if (EFX_OWORD_FIELD(reg, FRF_AB_XX_RST_XX_EN) == 0 &&
+		    EFX_OWORD_FIELD(reg, FRF_AB_XX_SD_RST_ACT) == 0) {
 			falcon_setup_xaui(efx);
 			return 0;
 		}
@@ -99,12 +99,12 @@ static void falcon_mask_status_intr(struct efx_nic *efx, bool enable)
 
 	/* Flush the ISR */
 	if (enable)
-		falcon_read(efx, &reg, XM_MGT_INT_REG_B0);
+		falcon_read(efx, &reg, FR_AB_XM_MGT_INT_MSK);
 
 	EFX_POPULATE_OWORD_2(reg,
-			     XM_MSK_RMTFLT, !enable,
-			     XM_MSK_LCLFLT, !enable);
-	falcon_write(efx, &reg, XM_MGT_INT_MSK_REG_B0);
+			     FRF_AB_XM_MSK_RMTFLT, !enable,
+			     FRF_AB_XM_MSK_LCLFLT, !enable);
+	falcon_write(efx, &reg, FR_AB_XM_MGT_INT_MASK);
 }
 
 /* Get status of XAUI link */
@@ -118,18 +118,18 @@ bool falcon_xaui_link_ok(struct efx_nic *efx)
 		return true;
 
 	/* Read link status */
-	falcon_read(efx, &reg, XX_CORE_STAT_REG);
+	falcon_read(efx, &reg, FR_AB_XX_CORE_STAT);
 
-	align_done = EFX_OWORD_FIELD(reg, XX_ALIGN_DONE);
-	sync_status = EFX_OWORD_FIELD(reg, XX_SYNC_STAT);
-	if (align_done && (sync_status == XX_SYNC_STAT_DECODE_SYNCED))
+	align_done = EFX_OWORD_FIELD(reg, FRF_AB_XX_ALIGN_DONE);
+	sync_status = EFX_OWORD_FIELD(reg, FRF_AB_XX_SYNC_STAT);
+	if (align_done && (sync_status == FFE_AB_XX_STAT_ALL_LANES))
 		link_ok = true;
 
 	/* Clear link status ready for next read */
-	EFX_SET_OWORD_FIELD(reg, XX_COMMA_DET, XX_COMMA_DET_RESET);
-	EFX_SET_OWORD_FIELD(reg, XX_CHARERR, XX_CHARERR_RESET);
-	EFX_SET_OWORD_FIELD(reg, XX_DISPERR, XX_DISPERR_RESET);
-	falcon_write(efx, &reg, XX_CORE_STAT_REG);
+	EFX_SET_OWORD_FIELD(reg, FRF_AB_XX_COMMA_DET, FFE_AB_XX_STAT_ALL_LANES);
+	EFX_SET_OWORD_FIELD(reg, FRF_AB_XX_CHAR_ERR, FFE_AB_XX_STAT_ALL_LANES);
+	EFX_SET_OWORD_FIELD(reg, FRF_AB_XX_DISPERR, FFE_AB_XX_STAT_ALL_LANES);
+	falcon_write(efx, &reg, FR_AB_XX_CORE_STAT);
 
 	/* If the link is up, then check the phy side of the xaui link */
 	if (efx->link_up && link_ok)
@@ -147,55 +147,49 @@ static void falcon_reconfigure_xmac_core(struct efx_nic *efx)
 
 	/* Configure MAC  - cut-thru mode is hard wired on */
 	EFX_POPULATE_DWORD_3(reg,
-			     XM_RX_JUMBO_MODE, 1,
-			     XM_TX_STAT_EN, 1,
-			     XM_RX_STAT_EN, 1);
-	falcon_write(efx, &reg, XM_GLB_CFG_REG);
+			     FRF_AB_XM_RX_JUMBO_MODE, 1,
+			     FRF_AB_XM_TX_STAT_EN, 1,
+			     FRF_AB_XM_RX_STAT_EN, 1);
+	falcon_write(efx, &reg, FR_AB_XM_GLB_CFG);
 
 	/* Configure TX */
 	EFX_POPULATE_DWORD_6(reg,
-			     XM_TXEN, 1,
-			     XM_TX_PRMBL, 1,
-			     XM_AUTO_PAD, 1,
-			     XM_TXCRC, 1,
-			     XM_FCNTL, 1,
-			     XM_IPG, 0x3);
-	falcon_write(efx, &reg, XM_TX_CFG_REG);
+			     FRF_AB_XM_TXEN, 1,
+			     FRF_AB_XM_TX_PRMBL, 1,
+			     FRF_AB_XM_AUTO_PAD, 1,
+			     FRF_AB_XM_TXCRC, 1,
+			     FRF_AB_XM_FCNTL, 1,
+			     FRF_AB_XM_IPG, 0x3);
+	falcon_write(efx, &reg, FR_AB_XM_TX_CFG);
 
 	/* Configure RX */
 	EFX_POPULATE_DWORD_5(reg,
-			     XM_RXEN, 1,
-			     XM_AUTO_DEPAD, 0,
-			     XM_ACPT_ALL_MCAST, 1,
-			     XM_ACPT_ALL_UCAST, efx->promiscuous,
-			     XM_PASS_CRC_ERR, 1);
-	falcon_write(efx, &reg, XM_RX_CFG_REG);
+			     FRF_AB_XM_RXEN, 1,
+			     FRF_AB_XM_AUTO_DEPAD, 0,
+			     FRF_AB_XM_ACPT_ALL_MCAST, 1,
+			     FRF_AB_XM_ACPT_ALL_UCAST, efx->promiscuous,
+			     FRF_AB_XM_PASS_CRC_ERR, 1);
+	falcon_write(efx, &reg, FR_AB_XM_RX_CFG);
 
 	/* Set frame length */
 	max_frame_len = EFX_MAX_FRAME_LEN(efx->net_dev->mtu);
-	EFX_POPULATE_DWORD_1(reg, XM_MAX_RX_FRM_SIZE, max_frame_len);
-	falcon_write(efx, &reg, XM_RX_PARAM_REG);
+	EFX_POPULATE_DWORD_1(reg, FRF_AB_XM_MAX_RX_FRM_SIZE, max_frame_len);
+	falcon_write(efx, &reg, FR_AB_XM_RX_PARAM);
 	EFX_POPULATE_DWORD_2(reg,
-			     XM_MAX_TX_FRM_SIZE, max_frame_len,
-			     XM_TX_JUMBO_MODE, 1);
-	falcon_write(efx, &reg, XM_TX_PARAM_REG);
+			     FRF_AB_XM_MAX_TX_FRM_SIZE, max_frame_len,
+			     FRF_AB_XM_TX_JUMBO_MODE, 1);
+	falcon_write(efx, &reg, FR_AB_XM_TX_PARAM);
 
 	EFX_POPULATE_DWORD_2(reg,
-			     XM_PAUSE_TIME, 0xfffe, /* MAX PAUSE TIME */
-			     XM_DIS_FCNTL, !rx_fc);
-	falcon_write(efx, &reg, XM_FC_REG);
+			     FRF_AB_XM_PAUSE_TIME, 0xfffe, /* MAX PAUSE TIME */
+			     FRF_AB_XM_DIS_FCNTL, !rx_fc);
+	falcon_write(efx, &reg, FR_AB_XM_FC);
 
 	/* Set MAC address */
-	EFX_POPULATE_DWORD_4(reg,
-			     XM_ADR_0, efx->net_dev->dev_addr[0],
-			     XM_ADR_1, efx->net_dev->dev_addr[1],
-			     XM_ADR_2, efx->net_dev->dev_addr[2],
-			     XM_ADR_3, efx->net_dev->dev_addr[3]);
-	falcon_write(efx, &reg, XM_ADR_LO_REG);
-	EFX_POPULATE_DWORD_2(reg,
-			     XM_ADR_4, efx->net_dev->dev_addr[4],
-			     XM_ADR_5, efx->net_dev->dev_addr[5]);
-	falcon_write(efx, &reg, XM_ADR_HI_REG);
+	memcpy(&reg, &efx->net_dev->dev_addr[0], 4);
+	falcon_write(efx, &reg, FR_AB_XM_ADR_LO);
+	memcpy(&reg, &efx->net_dev->dev_addr[4], 2);
+	falcon_write(efx, &reg, FR_AB_XM_ADR_HI);
 }
 
 static void falcon_reconfigure_xgxs_core(struct efx_nic *efx)
@@ -211,12 +205,13 @@ static void falcon_reconfigure_xgxs_core(struct efx_nic *efx)
 		bool old_xgmii_loopback, old_xgxs_loopback, old_xaui_loopback;
 		bool reset_xgxs;
 
-		falcon_read(efx, &reg, XX_CORE_STAT_REG);
-		old_xgxs_loopback = EFX_OWORD_FIELD(reg, XX_XGXS_LB_EN);
-		old_xgmii_loopback = EFX_OWORD_FIELD(reg, XX_XGMII_LB_EN);
+		falcon_read(efx, &reg, FR_AB_XX_CORE_STAT);
+		old_xgxs_loopback = EFX_OWORD_FIELD(reg, FRF_AB_XX_XGXS_LB_EN);
+		old_xgmii_loopback =
+			EFX_OWORD_FIELD(reg, FRF_AB_XX_XGMII_LB_EN);
 
-		falcon_read(efx, &reg, XX_SD_CTL_REG);
-		old_xaui_loopback = EFX_OWORD_FIELD(reg, XX_LPBKA);
+		falcon_read(efx, &reg, FR_AB_XX_SD_CTL);
+		old_xaui_loopback = EFX_OWORD_FIELD(reg, FRF_AB_XX_LPBKA);
 
 		/* The PHY driver may have turned XAUI off */
 		reset_xgxs = ((xgxs_loopback != old_xgxs_loopback) ||
@@ -227,20 +222,20 @@ static void falcon_reconfigure_xgxs_core(struct efx_nic *efx)
 			falcon_reset_xaui(efx);
 	}
 
-	falcon_read(efx, &reg, XX_CORE_STAT_REG);
-	EFX_SET_OWORD_FIELD(reg, XX_FORCE_SIG,
+	falcon_read(efx, &reg, FR_AB_XX_CORE_STAT);
+	EFX_SET_OWORD_FIELD(reg, FRF_AB_XX_FORCE_SIG,
 			    (xgxs_loopback || xaui_loopback) ?
-			    XX_FORCE_SIG_DECODE_FORCED : 0);
-	EFX_SET_OWORD_FIELD(reg, XX_XGXS_LB_EN, xgxs_loopback);
-	EFX_SET_OWORD_FIELD(reg, XX_XGMII_LB_EN, xgmii_loopback);
-	falcon_write(efx, &reg, XX_CORE_STAT_REG);
-
-	falcon_read(efx, &reg, XX_SD_CTL_REG);
-	EFX_SET_OWORD_FIELD(reg, XX_LPBKD, xaui_loopback);
-	EFX_SET_OWORD_FIELD(reg, XX_LPBKC, xaui_loopback);
-	EFX_SET_OWORD_FIELD(reg, XX_LPBKB, xaui_loopback);
-	EFX_SET_OWORD_FIELD(reg, XX_LPBKA, xaui_loopback);
-	falcon_write(efx, &reg, XX_SD_CTL_REG);
+			    FFE_AB_XX_FORCE_SIG_ALL_LANES : 0);
+	EFX_SET_OWORD_FIELD(reg, FRF_AB_XX_XGXS_LB_EN, xgxs_loopback);
+	EFX_SET_OWORD_FIELD(reg, FRF_AB_XX_XGMII_LB_EN, xgmii_loopback);
+	falcon_write(efx, &reg, FR_AB_XX_CORE_STAT);
+
+	falcon_read(efx, &reg, FR_AB_XX_SD_CTL);
+	EFX_SET_OWORD_FIELD(reg, FRF_AB_XX_LPBKD, xaui_loopback);
+	EFX_SET_OWORD_FIELD(reg, FRF_AB_XX_LPBKC, xaui_loopback);
+	EFX_SET_OWORD_FIELD(reg, FRF_AB_XX_LPBKB, xaui_loopback);
+	EFX_SET_OWORD_FIELD(reg, FRF_AB_XX_LPBKA, xaui_loopback);
+	falcon_write(efx, &reg, FR_AB_XX_SD_CTL);
 }
 
 
diff --git a/drivers/net/sfc/regs.h b/drivers/net/sfc/regs.h
new file mode 100644
index 00000000000..f336d83d5fa
--- /dev/null
+++ b/drivers/net/sfc/regs.h
@@ -0,0 +1,3180 @@
+/****************************************************************************
+ * Driver for Solarflare Solarstorm network controllers and boards
+ * Copyright 2005-2006 Fen Systems Ltd.
+ * Copyright 2006-2009 Solarflare Communications Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation, incorporated herein by reference.
+ */
+
+#ifndef EFX_REGS_H
+#define EFX_REGS_H
+
+/*
+ * Falcon hardware architecture definitions have a name prefix following
+ * the format:
+ *
+ *     F<type>_<min-rev><max-rev>_
+ *
+ * The following <type> strings are used:
+ *
+ *             MMIO register  MC register  Host memory structure
+ * -------------------------------------------------------------
+ * Address     R              MCR
+ * Bitfield    RF             MCRF         SF
+ * Enumerator  FE             MCFE         SE
+ *
+ * <min-rev> is the first revision to which the definition applies:
+ *
+ *     A: Falcon A1 (SFC4000AB)
+ *     B: Falcon B0 (SFC4000BA)
+ *     C: Siena A0 (SFL9021AA)
+ *
+ * If the definition has been changed or removed in later revisions
+ * then <max-rev> is the last revision to which the definition applies;
+ * otherwise it is "Z".
+ */
+
+/**************************************************************************
+ *
+ * Falcon/Siena registers and descriptors
+ *
+ **************************************************************************
+ */
+
+/* ADR_REGION_REG: Address region register */
+#define	FR_AZ_ADR_REGION 0x00000000
+#define	FRF_AZ_ADR_REGION3_LBN 96
+#define	FRF_AZ_ADR_REGION3_WIDTH 18
+#define	FRF_AZ_ADR_REGION2_LBN 64
+#define	FRF_AZ_ADR_REGION2_WIDTH 18
+#define	FRF_AZ_ADR_REGION1_LBN 32
+#define	FRF_AZ_ADR_REGION1_WIDTH 18
+#define	FRF_AZ_ADR_REGION0_LBN 0
+#define	FRF_AZ_ADR_REGION0_WIDTH 18
+
+/* INT_EN_REG_KER: Kernel driver Interrupt enable register */
+#define	FR_AZ_INT_EN_KER 0x00000010
+#define	FRF_AZ_KER_INT_LEVE_SEL_LBN 8
+#define	FRF_AZ_KER_INT_LEVE_SEL_WIDTH 6
+#define	FRF_AZ_KER_INT_CHAR_LBN 4
+#define	FRF_AZ_KER_INT_CHAR_WIDTH 1
+#define	FRF_AZ_KER_INT_KER_LBN 3
+#define	FRF_AZ_KER_INT_KER_WIDTH 1
+#define	FRF_AZ_DRV_INT_EN_KER_LBN 0
+#define	FRF_AZ_DRV_INT_EN_KER_WIDTH 1
+
+/* INT_EN_REG_CHAR: Char Driver interrupt enable register */
+#define	FR_BZ_INT_EN_CHAR 0x00000020
+#define	FRF_BZ_CHAR_INT_LEVE_SEL_LBN 8
+#define	FRF_BZ_CHAR_INT_LEVE_SEL_WIDTH 6
+#define	FRF_BZ_CHAR_INT_CHAR_LBN 4
+#define	FRF_BZ_CHAR_INT_CHAR_WIDTH 1
+#define	FRF_BZ_CHAR_INT_KER_LBN 3
+#define	FRF_BZ_CHAR_INT_KER_WIDTH 1
+#define	FRF_BZ_DRV_INT_EN_CHAR_LBN 0
+#define	FRF_BZ_DRV_INT_EN_CHAR_WIDTH 1
+
+/* INT_ADR_REG_KER: Interrupt host address for Kernel driver */
+#define	FR_AZ_INT_ADR_KER 0x00000030
+#define	FRF_AZ_NORM_INT_VEC_DIS_KER_LBN 64
+#define	FRF_AZ_NORM_INT_VEC_DIS_KER_WIDTH 1
+#define	FRF_AZ_INT_ADR_KER_LBN 0
+#define	FRF_AZ_INT_ADR_KER_WIDTH 64
+
+/* INT_ADR_REG_CHAR: Interrupt host address for Char driver */
+#define	FR_BZ_INT_ADR_CHAR 0x00000040
+#define	FRF_BZ_NORM_INT_VEC_DIS_CHAR_LBN 64
+#define	FRF_BZ_NORM_INT_VEC_DIS_CHAR_WIDTH 1
+#define	FRF_BZ_INT_ADR_CHAR_LBN 0
+#define	FRF_BZ_INT_ADR_CHAR_WIDTH 64
+
+/* INT_ACK_KER: Kernel interrupt acknowledge register */
+#define	FR_AA_INT_ACK_KER 0x00000050
+#define	FRF_AA_INT_ACK_KER_FIELD_LBN 0
+#define	FRF_AA_INT_ACK_KER_FIELD_WIDTH 32
+
+/* INT_ISR0_REG: Function 0 Interrupt Acknowlege Status register */
+#define	FR_BZ_INT_ISR0 0x00000090
+#define	FRF_BZ_INT_ISR_REG_LBN 0
+#define	FRF_BZ_INT_ISR_REG_WIDTH 64
+
+/* HW_INIT_REG: Hardware initialization register */
+#define	FR_AZ_HW_INIT 0x000000c0
+#define	FRF_BB_BDMRD_CPLF_FULL_LBN 124
+#define	FRF_BB_BDMRD_CPLF_FULL_WIDTH 1
+#define	FRF_BB_PCIE_CPL_TIMEOUT_CTRL_LBN 121
+#define	FRF_BB_PCIE_CPL_TIMEOUT_CTRL_WIDTH 3
+#define	FRF_CZ_TX_MRG_TAGS_LBN 120
+#define	FRF_CZ_TX_MRG_TAGS_WIDTH 1
+#define	FRF_AB_TRGT_MASK_ALL_LBN 100
+#define	FRF_AB_TRGT_MASK_ALL_WIDTH 1
+#define	FRF_AZ_DOORBELL_DROP_LBN 92
+#define	FRF_AZ_DOORBELL_DROP_WIDTH 8
+#define	FRF_AB_TX_RREQ_MASK_EN_LBN 76
+#define	FRF_AB_TX_RREQ_MASK_EN_WIDTH 1
+#define	FRF_AB_PE_EIDLE_DIS_LBN 75
+#define	FRF_AB_PE_EIDLE_DIS_WIDTH 1
+#define	FRF_AA_FC_BLOCKING_EN_LBN 45
+#define	FRF_AA_FC_BLOCKING_EN_WIDTH 1
+#define	FRF_BZ_B2B_REQ_EN_LBN 45
+#define	FRF_BZ_B2B_REQ_EN_WIDTH 1
+#define	FRF_AA_B2B_REQ_EN_LBN 44
+#define	FRF_AA_B2B_REQ_EN_WIDTH 1
+#define	FRF_BB_FC_BLOCKING_EN_LBN 44
+#define	FRF_BB_FC_BLOCKING_EN_WIDTH 1
+#define	FRF_AZ_POST_WR_MASK_LBN 40
+#define	FRF_AZ_POST_WR_MASK_WIDTH 4
+#define	FRF_AZ_TLP_TC_LBN 34
+#define	FRF_AZ_TLP_TC_WIDTH 3
+#define	FRF_AZ_TLP_ATTR_LBN 32
+#define	FRF_AZ_TLP_ATTR_WIDTH 2
+#define	FRF_AB_INTB_VEC_LBN 24
+#define	FRF_AB_INTB_VEC_WIDTH 5
+#define	FRF_AB_INTA_VEC_LBN 16
+#define	FRF_AB_INTA_VEC_WIDTH 5
+#define	FRF_AZ_WD_TIMER_LBN 8
+#define	FRF_AZ_WD_TIMER_WIDTH 8
+#define	FRF_AZ_US_DISABLE_LBN 5
+#define	FRF_AZ_US_DISABLE_WIDTH 1
+#define	FRF_AZ_TLP_EP_LBN 4
+#define	FRF_AZ_TLP_EP_WIDTH 1
+#define	FRF_AZ_ATTR_SEL_LBN 3
+#define	FRF_AZ_ATTR_SEL_WIDTH 1
+#define	FRF_AZ_TD_SEL_LBN 1
+#define	FRF_AZ_TD_SEL_WIDTH 1
+#define	FRF_AZ_TLP_TD_LBN 0
+#define	FRF_AZ_TLP_TD_WIDTH 1
+
+/* EE_SPI_HCMD_REG: SPI host command register */
+#define	FR_AB_EE_SPI_HCMD 0x00000100
+#define	FRF_AB_EE_SPI_HCMD_CMD_EN_LBN 31
+#define	FRF_AB_EE_SPI_HCMD_CMD_EN_WIDTH 1
+#define	FRF_AB_EE_WR_TIMER_ACTIVE_LBN 28
+#define	FRF_AB_EE_WR_TIMER_ACTIVE_WIDTH 1
+#define	FRF_AB_EE_SPI_HCMD_SF_SEL_LBN 24
+#define	FRF_AB_EE_SPI_HCMD_SF_SEL_WIDTH 1
+#define	FRF_AB_EE_SPI_HCMD_DABCNT_LBN 16
+#define	FRF_AB_EE_SPI_HCMD_DABCNT_WIDTH 5
+#define	FRF_AB_EE_SPI_HCMD_READ_LBN 15
+#define	FRF_AB_EE_SPI_HCMD_READ_WIDTH 1
+#define	FRF_AB_EE_SPI_HCMD_DUBCNT_LBN 12
+#define	FRF_AB_EE_SPI_HCMD_DUBCNT_WIDTH 2
+#define	FRF_AB_EE_SPI_HCMD_ADBCNT_LBN 8
+#define	FRF_AB_EE_SPI_HCMD_ADBCNT_WIDTH 2
+#define	FRF_AB_EE_SPI_HCMD_ENC_LBN 0
+#define	FRF_AB_EE_SPI_HCMD_ENC_WIDTH 8
+
+/* USR_EV_CFG: User Level Event Configuration register */
+#define	FR_CZ_USR_EV_CFG 0x00000100
+#define	FRF_CZ_USREV_DIS_LBN 16
+#define	FRF_CZ_USREV_DIS_WIDTH 1
+#define	FRF_CZ_DFLT_EVQ_LBN 0
+#define	FRF_CZ_DFLT_EVQ_WIDTH 10
+
+/* EE_SPI_HADR_REG: SPI host address register */
+#define	FR_AB_EE_SPI_HADR 0x00000110
+#define	FRF_AB_EE_SPI_HADR_DUBYTE_LBN 24
+#define	FRF_AB_EE_SPI_HADR_DUBYTE_WIDTH 8
+#define	FRF_AB_EE_SPI_HADR_ADR_LBN 0
+#define	FRF_AB_EE_SPI_HADR_ADR_WIDTH 24
+
+/* EE_SPI_HDATA_REG: SPI host data register */
+#define	FR_AB_EE_SPI_HDATA 0x00000120
+#define	FRF_AB_EE_SPI_HDATA3_LBN 96
+#define	FRF_AB_EE_SPI_HDATA3_WIDTH 32
+#define	FRF_AB_EE_SPI_HDATA2_LBN 64
+#define	FRF_AB_EE_SPI_HDATA2_WIDTH 32
+#define	FRF_AB_EE_SPI_HDATA1_LBN 32
+#define	FRF_AB_EE_SPI_HDATA1_WIDTH 32
+#define	FRF_AB_EE_SPI_HDATA0_LBN 0
+#define	FRF_AB_EE_SPI_HDATA0_WIDTH 32
+
+/* EE_BASE_PAGE_REG: Expansion ROM base mirror register */
+#define	FR_AB_EE_BASE_PAGE 0x00000130
+#define	FRF_AB_EE_EXPROM_MASK_LBN 16
+#define	FRF_AB_EE_EXPROM_MASK_WIDTH 13
+#define	FRF_AB_EE_EXP_ROM_WINDOW_BASE_LBN 0
+#define	FRF_AB_EE_EXP_ROM_WINDOW_BASE_WIDTH 13
+
+/* EE_VPD_CFG0_REG: SPI/VPD configuration register 0 */
+#define	FR_AB_EE_VPD_CFG0 0x00000140
+#define	FRF_AB_EE_SF_FASTRD_EN_LBN 127
+#define	FRF_AB_EE_SF_FASTRD_EN_WIDTH 1
+#define	FRF_AB_EE_SF_CLOCK_DIV_LBN 120
+#define	FRF_AB_EE_SF_CLOCK_DIV_WIDTH 7
+#define	FRF_AB_EE_VPD_WIP_POLL_LBN 119
+#define	FRF_AB_EE_VPD_WIP_POLL_WIDTH 1
+#define	FRF_AB_EE_EE_CLOCK_DIV_LBN 112
+#define	FRF_AB_EE_EE_CLOCK_DIV_WIDTH 7
+#define	FRF_AB_EE_EE_WR_TMR_VALUE_LBN 96
+#define	FRF_AB_EE_EE_WR_TMR_VALUE_WIDTH 16
+#define	FRF_AB_EE_VPDW_LENGTH_LBN 80
+#define	FRF_AB_EE_VPDW_LENGTH_WIDTH 15
+#define	FRF_AB_EE_VPDW_BASE_LBN 64
+#define	FRF_AB_EE_VPDW_BASE_WIDTH 15
+#define	FRF_AB_EE_VPD_WR_CMD_EN_LBN 56
+#define	FRF_AB_EE_VPD_WR_CMD_EN_WIDTH 8
+#define	FRF_AB_EE_VPD_BASE_LBN 32
+#define	FRF_AB_EE_VPD_BASE_WIDTH 24
+#define	FRF_AB_EE_VPD_LENGTH_LBN 16
+#define	FRF_AB_EE_VPD_LENGTH_WIDTH 15
+#define	FRF_AB_EE_VPD_AD_SIZE_LBN 8
+#define	FRF_AB_EE_VPD_AD_SIZE_WIDTH 5
+#define	FRF_AB_EE_VPD_ACCESS_ON_LBN 5
+#define	FRF_AB_EE_VPD_ACCESS_ON_WIDTH 1
+#define	FRF_AB_EE_VPD_ACCESS_BLOCK_LBN 4
+#define	FRF_AB_EE_VPD_ACCESS_BLOCK_WIDTH 1
+#define	FRF_AB_EE_VPD_DEV_SF_SEL_LBN 2
+#define	FRF_AB_EE_VPD_DEV_SF_SEL_WIDTH 1
+#define	FRF_AB_EE_VPD_EN_AD9_MODE_LBN 1
+#define	FRF_AB_EE_VPD_EN_AD9_MODE_WIDTH 1
+#define	FRF_AB_EE_VPD_EN_LBN 0
+#define	FRF_AB_EE_VPD_EN_WIDTH 1
+
+/* EE_VPD_SW_CNTL_REG: VPD access SW control register */
+#define	FR_AB_EE_VPD_SW_CNTL 0x00000150
+#define	FRF_AB_EE_VPD_CYCLE_PENDING_LBN 31
+#define	FRF_AB_EE_VPD_CYCLE_PENDING_WIDTH 1
+#define	FRF_AB_EE_VPD_CYC_WRITE_LBN 28
+#define	FRF_AB_EE_VPD_CYC_WRITE_WIDTH 1
+#define	FRF_AB_EE_VPD_CYC_ADR_LBN 0
+#define	FRF_AB_EE_VPD_CYC_ADR_WIDTH 15
+
+/* EE_VPD_SW_DATA_REG: VPD access SW data register */
+#define	FR_AB_EE_VPD_SW_DATA 0x00000160
+#define	FRF_AB_EE_VPD_CYC_DAT_LBN 0
+#define	FRF_AB_EE_VPD_CYC_DAT_WIDTH 32
+
+/* PBMX_DBG_IADDR_REG: Capture Module address register */
+#define	FR_CZ_PBMX_DBG_IADDR 0x000001f0
+#define	FRF_CZ_PBMX_DBG_IADDR_LBN 0
+#define	FRF_CZ_PBMX_DBG_IADDR_WIDTH 32
+
+/* PCIE_CORE_INDIRECT_REG: Indirect Access to PCIE Core registers */
+#define	FR_BB_PCIE_CORE_INDIRECT 0x000001f0
+#define	FRF_BB_PCIE_CORE_TARGET_DATA_LBN 32
+#define	FRF_BB_PCIE_CORE_TARGET_DATA_WIDTH 32
+#define	FRF_BB_PCIE_CORE_INDIRECT_ACCESS_DIR_LBN 15
+#define	FRF_BB_PCIE_CORE_INDIRECT_ACCESS_DIR_WIDTH 1
+#define	FRF_BB_PCIE_CORE_TARGET_REG_ADRS_LBN 0
+#define	FRF_BB_PCIE_CORE_TARGET_REG_ADRS_WIDTH 12
+
+/* PBMX_DBG_IDATA_REG: Capture Module data register */
+#define	FR_CZ_PBMX_DBG_IDATA 0x000001f8
+#define	FRF_CZ_PBMX_DBG_IDATA_LBN 0
+#define	FRF_CZ_PBMX_DBG_IDATA_WIDTH 64
+
+/* NIC_STAT_REG: NIC status register */
+#define	FR_AB_NIC_STAT 0x00000200
+#define	FRF_BB_AER_DIS_LBN 34
+#define	FRF_BB_AER_DIS_WIDTH 1
+#define	FRF_BB_EE_STRAP_EN_LBN 31
+#define	FRF_BB_EE_STRAP_EN_WIDTH 1
+#define	FRF_BB_EE_STRAP_LBN 24
+#define	FRF_BB_EE_STRAP_WIDTH 4
+#define	FRF_BB_REVISION_ID_LBN 17
+#define	FRF_BB_REVISION_ID_WIDTH 7
+#define	FRF_AB_ONCHIP_SRAM_LBN 16
+#define	FRF_AB_ONCHIP_SRAM_WIDTH 1
+#define	FRF_AB_SF_PRST_LBN 9
+#define	FRF_AB_SF_PRST_WIDTH 1
+#define	FRF_AB_EE_PRST_LBN 8
+#define	FRF_AB_EE_PRST_WIDTH 1
+#define	FRF_AB_ATE_MODE_LBN 3
+#define	FRF_AB_ATE_MODE_WIDTH 1
+#define	FRF_AB_STRAP_PINS_LBN 0
+#define	FRF_AB_STRAP_PINS_WIDTH 3
+
+/* GPIO_CTL_REG: GPIO control register */
+#define	FR_AB_GPIO_CTL 0x00000210
+#define	FRF_AB_GPIO_OUT3_LBN 112
+#define	FRF_AB_GPIO_OUT3_WIDTH 16
+#define	FRF_AB_GPIO_IN3_LBN 104
+#define	FRF_AB_GPIO_IN3_WIDTH 8
+#define	FRF_AB_GPIO_PWRUP_VALUE3_LBN 96
+#define	FRF_AB_GPIO_PWRUP_VALUE3_WIDTH 8
+#define	FRF_AB_GPIO_OUT2_LBN 80
+#define	FRF_AB_GPIO_OUT2_WIDTH 16
+#define	FRF_AB_GPIO_IN2_LBN 72
+#define	FRF_AB_GPIO_IN2_WIDTH 8
+#define	FRF_AB_GPIO_PWRUP_VALUE2_LBN 64
+#define	FRF_AB_GPIO_PWRUP_VALUE2_WIDTH 8
+#define	FRF_AB_GPIO15_OEN_LBN 63
+#define	FRF_AB_GPIO15_OEN_WIDTH 1
+#define	FRF_AB_GPIO14_OEN_LBN 62
+#define	FRF_AB_GPIO14_OEN_WIDTH 1
+#define	FRF_AB_GPIO13_OEN_LBN 61
+#define	FRF_AB_GPIO13_OEN_WIDTH 1
+#define	FRF_AB_GPIO12_OEN_LBN 60
+#define	FRF_AB_GPIO12_OEN_WIDTH 1
+#define	FRF_AB_GPIO11_OEN_LBN 59
+#define	FRF_AB_GPIO11_OEN_WIDTH 1
+#define	FRF_AB_GPIO10_OEN_LBN 58
+#define	FRF_AB_GPIO10_OEN_WIDTH 1
+#define	FRF_AB_GPIO9_OEN_LBN 57
+#define	FRF_AB_GPIO9_OEN_WIDTH 1
+#define	FRF_AB_GPIO8_OEN_LBN 56
+#define	FRF_AB_GPIO8_OEN_WIDTH 1
+#define	FRF_AB_GPIO15_OUT_LBN 55
+#define	FRF_AB_GPIO15_OUT_WIDTH 1
+#define	FRF_AB_GPIO14_OUT_LBN 54
+#define	FRF_AB_GPIO14_OUT_WIDTH 1
+#define	FRF_AB_GPIO13_OUT_LBN 53
+#define	FRF_AB_GPIO13_OUT_WIDTH 1
+#define	FRF_AB_GPIO12_OUT_LBN 52
+#define	FRF_AB_GPIO12_OUT_WIDTH 1
+#define	FRF_AB_GPIO11_OUT_LBN 51
+#define	FRF_AB_GPIO11_OUT_WIDTH 1
+#define	FRF_AB_GPIO10_OUT_LBN 50
+#define	FRF_AB_GPIO10_OUT_WIDTH 1
+#define	FRF_AB_GPIO9_OUT_LBN 49
+#define	FRF_AB_GPIO9_OUT_WIDTH 1
+#define	FRF_AB_GPIO8_OUT_LBN 48
+#define	FRF_AB_GPIO8_OUT_WIDTH 1
+#define	FRF_AB_GPIO15_IN_LBN 47
+#define	FRF_AB_GPIO15_IN_WIDTH 1
+#define	FRF_AB_GPIO14_IN_LBN 46
+#define	FRF_AB_GPIO14_IN_WIDTH 1
+#define	FRF_AB_GPIO13_IN_LBN 45
+#define	FRF_AB_GPIO13_IN_WIDTH 1
+#define	FRF_AB_GPIO12_IN_LBN 44
+#define	FRF_AB_GPIO12_IN_WIDTH 1
+#define	FRF_AB_GPIO11_IN_LBN 43
+#define	FRF_AB_GPIO11_IN_WIDTH 1
+#define	FRF_AB_GPIO10_IN_LBN 42
+#define	FRF_AB_GPIO10_IN_WIDTH 1
+#define	FRF_AB_GPIO9_IN_LBN 41
+#define	FRF_AB_GPIO9_IN_WIDTH 1
+#define	FRF_AB_GPIO8_IN_LBN 40
+#define	FRF_AB_GPIO8_IN_WIDTH 1
+#define	FRF_AB_GPIO15_PWRUP_VALUE_LBN 39
+#define	FRF_AB_GPIO15_PWRUP_VALUE_WIDTH 1
+#define	FRF_AB_GPIO14_PWRUP_VALUE_LBN 38
+#define	FRF_AB_GPIO14_PWRUP_VALUE_WIDTH 1
+#define	FRF_AB_GPIO13_PWRUP_VALUE_LBN 37
+#define	FRF_AB_GPIO13_PWRUP_VALUE_WIDTH 1
+#define	FRF_AB_GPIO12_PWRUP_VALUE_LBN 36
+#define	FRF_AB_GPIO12_PWRUP_VALUE_WIDTH 1
+#define	FRF_AB_GPIO11_PWRUP_VALUE_LBN 35
+#define	FRF_AB_GPIO11_PWRUP_VALUE_WIDTH 1
+#define	FRF_AB_GPIO10_PWRUP_VALUE_LBN 34
+#define	FRF_AB_GPIO10_PWRUP_VALUE_WIDTH 1
+#define	FRF_AB_GPIO9_PWRUP_VALUE_LBN 33
+#define	FRF_AB_GPIO9_PWRUP_VALUE_WIDTH 1
+#define	FRF_AB_GPIO8_PWRUP_VALUE_LBN 32
+#define	FRF_AB_GPIO8_PWRUP_VALUE_WIDTH 1
+#define	FRF_AB_CLK156_OUT_EN_LBN 31
+#define	FRF_AB_CLK156_OUT_EN_WIDTH 1
+#define	FRF_AB_USE_NIC_CLK_LBN 30
+#define	FRF_AB_USE_NIC_CLK_WIDTH 1
+#define	FRF_AB_GPIO5_OEN_LBN 29
+#define	FRF_AB_GPIO5_OEN_WIDTH 1
+#define	FRF_AB_GPIO4_OEN_LBN 28
+#define	FRF_AB_GPIO4_OEN_WIDTH 1
+#define	FRF_AB_GPIO3_OEN_LBN 27
+#define	FRF_AB_GPIO3_OEN_WIDTH 1
+#define	FRF_AB_GPIO2_OEN_LBN 26
+#define	FRF_AB_GPIO2_OEN_WIDTH 1
+#define	FRF_AB_GPIO1_OEN_LBN 25
+#define	FRF_AB_GPIO1_OEN_WIDTH 1
+#define	FRF_AB_GPIO0_OEN_LBN 24
+#define	FRF_AB_GPIO0_OEN_WIDTH 1
+#define	FRF_AB_GPIO7_OUT_LBN 23
+#define	FRF_AB_GPIO7_OUT_WIDTH 1
+#define	FRF_AB_GPIO6_OUT_LBN 22
+#define	FRF_AB_GPIO6_OUT_WIDTH 1
+#define	FRF_AB_GPIO5_OUT_LBN 21
+#define	FRF_AB_GPIO5_OUT_WIDTH 1
+#define	FRF_AB_GPIO4_OUT_LBN 20
+#define	FRF_AB_GPIO4_OUT_WIDTH 1
+#define	FRF_AB_GPIO3_OUT_LBN 19
+#define	FRF_AB_GPIO3_OUT_WIDTH 1
+#define	FRF_AB_GPIO2_OUT_LBN 18
+#define	FRF_AB_GPIO2_OUT_WIDTH 1
+#define	FRF_AB_GPIO1_OUT_LBN 17
+#define	FRF_AB_GPIO1_OUT_WIDTH 1
+#define	FRF_AB_GPIO0_OUT_LBN 16
+#define	FRF_AB_GPIO0_OUT_WIDTH 1
+#define	FRF_AB_GPIO7_IN_LBN 15
+#define	FRF_AB_GPIO7_IN_WIDTH 1
+#define	FRF_AB_GPIO6_IN_LBN 14
+#define	FRF_AB_GPIO6_IN_WIDTH 1
+#define	FRF_AB_GPIO5_IN_LBN 13
+#define	FRF_AB_GPIO5_IN_WIDTH 1
+#define	FRF_AB_GPIO4_IN_LBN 12
+#define	FRF_AB_GPIO4_IN_WIDTH 1
+#define	FRF_AB_GPIO3_IN_LBN 11
+#define	FRF_AB_GPIO3_IN_WIDTH 1
+#define	FRF_AB_GPIO2_IN_LBN 10
+#define	FRF_AB_GPIO2_IN_WIDTH 1
+#define	FRF_AB_GPIO1_IN_LBN 9
+#define	FRF_AB_GPIO1_IN_WIDTH 1
+#define	FRF_AB_GPIO0_IN_LBN 8
+#define	FRF_AB_GPIO0_IN_WIDTH 1
+#define	FRF_AB_GPIO7_PWRUP_VALUE_LBN 7
+#define	FRF_AB_GPIO7_PWRUP_VALUE_WIDTH 1
+#define	FRF_AB_GPIO6_PWRUP_VALUE_LBN 6
+#define	FRF_AB_GPIO6_PWRUP_VALUE_WIDTH 1
+#define	FRF_AB_GPIO5_PWRUP_VALUE_LBN 5
+#define	FRF_AB_GPIO5_PWRUP_VALUE_WIDTH 1
+#define	FRF_AB_GPIO4_PWRUP_VALUE_LBN 4
+#define	FRF_AB_GPIO4_PWRUP_VALUE_WIDTH 1
+#define	FRF_AB_GPIO3_PWRUP_VALUE_LBN 3
+#define	FRF_AB_GPIO3_PWRUP_VALUE_WIDTH 1
+#define	FRF_AB_GPIO2_PWRUP_VALUE_LBN 2
+#define	FRF_AB_GPIO2_PWRUP_VALUE_WIDTH 1
+#define	FRF_AB_GPIO1_PWRUP_VALUE_LBN 1
+#define	FRF_AB_GPIO1_PWRUP_VALUE_WIDTH 1
+#define	FRF_AB_GPIO0_PWRUP_VALUE_LBN 0
+#define	FRF_AB_GPIO0_PWRUP_VALUE_WIDTH 1
+
+/* GLB_CTL_REG: Global control register */
+#define	FR_AB_GLB_CTL 0x00000220
+#define	FRF_AB_EXT_PHY_RST_CTL_LBN 63
+#define	FRF_AB_EXT_PHY_RST_CTL_WIDTH 1
+#define	FRF_AB_XAUI_SD_RST_CTL_LBN 62
+#define	FRF_AB_XAUI_SD_RST_CTL_WIDTH 1
+#define	FRF_AB_PCIE_SD_RST_CTL_LBN 61
+#define	FRF_AB_PCIE_SD_RST_CTL_WIDTH 1
+#define	FRF_AA_PCIX_RST_CTL_LBN 60
+#define	FRF_AA_PCIX_RST_CTL_WIDTH 1
+#define	FRF_BB_BIU_RST_CTL_LBN 60
+#define	FRF_BB_BIU_RST_CTL_WIDTH 1
+#define	FRF_AB_PCIE_STKY_RST_CTL_LBN 59
+#define	FRF_AB_PCIE_STKY_RST_CTL_WIDTH 1
+#define	FRF_AB_PCIE_NSTKY_RST_CTL_LBN 58
+#define	FRF_AB_PCIE_NSTKY_RST_CTL_WIDTH 1
+#define	FRF_AB_PCIE_CORE_RST_CTL_LBN 57
+#define	FRF_AB_PCIE_CORE_RST_CTL_WIDTH 1
+#define	FRF_AB_XGRX_RST_CTL_LBN 56
+#define	FRF_AB_XGRX_RST_CTL_WIDTH 1
+#define	FRF_AB_XGTX_RST_CTL_LBN 55
+#define	FRF_AB_XGTX_RST_CTL_WIDTH 1
+#define	FRF_AB_EM_RST_CTL_LBN 54
+#define	FRF_AB_EM_RST_CTL_WIDTH 1
+#define	FRF_AB_EV_RST_CTL_LBN 53
+#define	FRF_AB_EV_RST_CTL_WIDTH 1
+#define	FRF_AB_SR_RST_CTL_LBN 52
+#define	FRF_AB_SR_RST_CTL_WIDTH 1
+#define	FRF_AB_RX_RST_CTL_LBN 51
+#define	FRF_AB_RX_RST_CTL_WIDTH 1
+#define	FRF_AB_TX_RST_CTL_LBN 50
+#define	FRF_AB_TX_RST_CTL_WIDTH 1
+#define	FRF_AB_EE_RST_CTL_LBN 49
+#define	FRF_AB_EE_RST_CTL_WIDTH 1
+#define	FRF_AB_CS_RST_CTL_LBN 48
+#define	FRF_AB_CS_RST_CTL_WIDTH 1
+#define	FRF_AB_HOT_RST_CTL_LBN 40
+#define	FRF_AB_HOT_RST_CTL_WIDTH 2
+#define	FRF_AB_RST_EXT_PHY_LBN 31
+#define	FRF_AB_RST_EXT_PHY_WIDTH 1
+#define	FRF_AB_RST_XAUI_SD_LBN 30
+#define	FRF_AB_RST_XAUI_SD_WIDTH 1
+#define	FRF_AB_RST_PCIE_SD_LBN 29
+#define	FRF_AB_RST_PCIE_SD_WIDTH 1
+#define	FRF_AA_RST_PCIX_LBN 28
+#define	FRF_AA_RST_PCIX_WIDTH 1
+#define	FRF_BB_RST_BIU_LBN 28
+#define	FRF_BB_RST_BIU_WIDTH 1
+#define	FRF_AB_RST_PCIE_STKY_LBN 27
+#define	FRF_AB_RST_PCIE_STKY_WIDTH 1
+#define	FRF_AB_RST_PCIE_NSTKY_LBN 26
+#define	FRF_AB_RST_PCIE_NSTKY_WIDTH 1
+#define	FRF_AB_RST_PCIE_CORE_LBN 25
+#define	FRF_AB_RST_PCIE_CORE_WIDTH 1
+#define	FRF_AB_RST_XGRX_LBN 24
+#define	FRF_AB_RST_XGRX_WIDTH 1
+#define	FRF_AB_RST_XGTX_LBN 23
+#define	FRF_AB_RST_XGTX_WIDTH 1
+#define	FRF_AB_RST_EM_LBN 22
+#define	FRF_AB_RST_EM_WIDTH 1
+#define	FRF_AB_RST_EV_LBN 21
+#define	FRF_AB_RST_EV_WIDTH 1
+#define	FRF_AB_RST_SR_LBN 20
+#define	FRF_AB_RST_SR_WIDTH 1
+#define	FRF_AB_RST_RX_LBN 19
+#define	FRF_AB_RST_RX_WIDTH 1
+#define	FRF_AB_RST_TX_LBN 18
+#define	FRF_AB_RST_TX_WIDTH 1
+#define	FRF_AB_RST_SF_LBN 17
+#define	FRF_AB_RST_SF_WIDTH 1
+#define	FRF_AB_RST_CS_LBN 16
+#define	FRF_AB_RST_CS_WIDTH 1
+#define	FRF_AB_INT_RST_DUR_LBN 4
+#define	FRF_AB_INT_RST_DUR_WIDTH 3
+#define	FRF_AB_EXT_PHY_RST_DUR_LBN 1
+#define	FRF_AB_EXT_PHY_RST_DUR_WIDTH 3
+#define	FFE_AB_EXT_PHY_RST_DUR_10240US 7
+#define	FFE_AB_EXT_PHY_RST_DUR_5120US 6
+#define	FFE_AB_EXT_PHY_RST_DUR_2560US 5
+#define	FFE_AB_EXT_PHY_RST_DUR_1280US 4
+#define	FFE_AB_EXT_PHY_RST_DUR_640US 3
+#define	FFE_AB_EXT_PHY_RST_DUR_320US 2
+#define	FFE_AB_EXT_PHY_RST_DUR_160US 1
+#define	FFE_AB_EXT_PHY_RST_DUR_80US 0
+#define	FRF_AB_SWRST_LBN 0
+#define	FRF_AB_SWRST_WIDTH 1
+
+/* FATAL_INTR_REG_KER: Fatal interrupt register for Kernel */
+#define	FR_AZ_FATAL_INTR_KER 0x00000230
+#define	FRF_CZ_SRAM_PERR_INT_P_KER_EN_LBN 44
+#define	FRF_CZ_SRAM_PERR_INT_P_KER_EN_WIDTH 1
+#define	FRF_AB_PCI_BUSERR_INT_KER_EN_LBN 43
+#define	FRF_AB_PCI_BUSERR_INT_KER_EN_WIDTH 1
+#define	FRF_CZ_MBU_PERR_INT_KER_EN_LBN 43
+#define	FRF_CZ_MBU_PERR_INT_KER_EN_WIDTH 1
+#define	FRF_AZ_SRAM_OOB_INT_KER_EN_LBN 42
+#define	FRF_AZ_SRAM_OOB_INT_KER_EN_WIDTH 1
+#define	FRF_AZ_BUFID_OOB_INT_KER_EN_LBN 41
+#define	FRF_AZ_BUFID_OOB_INT_KER_EN_WIDTH 1
+#define	FRF_AZ_MEM_PERR_INT_KER_EN_LBN 40
+#define	FRF_AZ_MEM_PERR_INT_KER_EN_WIDTH 1
+#define	FRF_AZ_RBUF_OWN_INT_KER_EN_LBN 39
+#define	FRF_AZ_RBUF_OWN_INT_KER_EN_WIDTH 1
+#define	FRF_AZ_TBUF_OWN_INT_KER_EN_LBN 38
+#define	FRF_AZ_TBUF_OWN_INT_KER_EN_WIDTH 1
+#define	FRF_AZ_RDESCQ_OWN_INT_KER_EN_LBN 37
+#define	FRF_AZ_RDESCQ_OWN_INT_KER_EN_WIDTH 1
+#define	FRF_AZ_TDESCQ_OWN_INT_KER_EN_LBN 36
+#define	FRF_AZ_TDESCQ_OWN_INT_KER_EN_WIDTH 1
+#define	FRF_AZ_EVQ_OWN_INT_KER_EN_LBN 35
+#define	FRF_AZ_EVQ_OWN_INT_KER_EN_WIDTH 1
+#define	FRF_AZ_EVF_OFLO_INT_KER_EN_LBN 34
+#define	FRF_AZ_EVF_OFLO_INT_KER_EN_WIDTH 1
+#define	FRF_AZ_ILL_ADR_INT_KER_EN_LBN 33
+#define	FRF_AZ_ILL_ADR_INT_KER_EN_WIDTH 1
+#define	FRF_AZ_SRM_PERR_INT_KER_EN_LBN 32
+#define	FRF_AZ_SRM_PERR_INT_KER_EN_WIDTH 1
+#define	FRF_CZ_SRAM_PERR_INT_P_KER_LBN 12
+#define	FRF_CZ_SRAM_PERR_INT_P_KER_WIDTH 1
+#define	FRF_AB_PCI_BUSERR_INT_KER_LBN 11
+#define	FRF_AB_PCI_BUSERR_INT_KER_WIDTH 1
+#define	FRF_CZ_MBU_PERR_INT_KER_LBN 11
+#define	FRF_CZ_MBU_PERR_INT_KER_WIDTH 1
+#define	FRF_AZ_SRAM_OOB_INT_KER_LBN 10
+#define	FRF_AZ_SRAM_OOB_INT_KER_WIDTH 1
+#define	FRF_AZ_BUFID_DC_OOB_INT_KER_LBN 9
+#define	FRF_AZ_BUFID_DC_OOB_INT_KER_WIDTH 1
+#define	FRF_AZ_MEM_PERR_INT_KER_LBN 8
+#define	FRF_AZ_MEM_PERR_INT_KER_WIDTH 1
+#define	FRF_AZ_RBUF_OWN_INT_KER_LBN 7
+#define	FRF_AZ_RBUF_OWN_INT_KER_WIDTH 1
+#define	FRF_AZ_TBUF_OWN_INT_KER_LBN 6
+#define	FRF_AZ_TBUF_OWN_INT_KER_WIDTH 1
+#define	FRF_AZ_RDESCQ_OWN_INT_KER_LBN 5
+#define	FRF_AZ_RDESCQ_OWN_INT_KER_WIDTH 1
+#define	FRF_AZ_TDESCQ_OWN_INT_KER_LBN 4
+#define	FRF_AZ_TDESCQ_OWN_INT_KER_WIDTH 1
+#define	FRF_AZ_EVQ_OWN_INT_KER_LBN 3
+#define	FRF_AZ_EVQ_OWN_INT_KER_WIDTH 1
+#define	FRF_AZ_EVF_OFLO_INT_KER_LBN 2
+#define	FRF_AZ_EVF_OFLO_INT_KER_WIDTH 1
+#define	FRF_AZ_ILL_ADR_INT_KER_LBN 1
+#define	FRF_AZ_ILL_ADR_INT_KER_WIDTH 1
+#define	FRF_AZ_SRM_PERR_INT_KER_LBN 0
+#define	FRF_AZ_SRM_PERR_INT_KER_WIDTH 1
+
+/* FATAL_INTR_REG_CHAR: Fatal interrupt register for Char */
+#define	FR_BZ_FATAL_INTR_CHAR 0x00000240
+#define	FRF_CZ_SRAM_PERR_INT_P_CHAR_EN_LBN 44
+#define	FRF_CZ_SRAM_PERR_INT_P_CHAR_EN_WIDTH 1
+#define	FRF_BB_PCI_BUSERR_INT_CHAR_EN_LBN 43
+#define	FRF_BB_PCI_BUSERR_INT_CHAR_EN_WIDTH 1
+#define	FRF_CZ_MBU_PERR_INT_CHAR_EN_LBN 43
+#define	FRF_CZ_MBU_PERR_INT_CHAR_EN_WIDTH 1
+#define	FRF_BZ_SRAM_OOB_INT_CHAR_EN_LBN 42
+#define	FRF_BZ_SRAM_OOB_INT_CHAR_EN_WIDTH 1
+#define	FRF_BZ_BUFID_OOB_INT_CHAR_EN_LBN 41
+#define	FRF_BZ_BUFID_OOB_INT_CHAR_EN_WIDTH 1
+#define	FRF_BZ_MEM_PERR_INT_CHAR_EN_LBN 40
+#define	FRF_BZ_MEM_PERR_INT_CHAR_EN_WIDTH 1
+#define	FRF_BZ_RBUF_OWN_INT_CHAR_EN_LBN 39
+#define	FRF_BZ_RBUF_OWN_INT_CHAR_EN_WIDTH 1
+#define	FRF_BZ_TBUF_OWN_INT_CHAR_EN_LBN 38
+#define	FRF_BZ_TBUF_OWN_INT_CHAR_EN_WIDTH 1
+#define	FRF_BZ_RDESCQ_OWN_INT_CHAR_EN_LBN 37
+#define	FRF_BZ_RDESCQ_OWN_INT_CHAR_EN_WIDTH 1
+#define	FRF_BZ_TDESCQ_OWN_INT_CHAR_EN_LBN 36
+#define	FRF_BZ_TDESCQ_OWN_INT_CHAR_EN_WIDTH 1
+#define	FRF_BZ_EVQ_OWN_INT_CHAR_EN_LBN 35
+#define	FRF_BZ_EVQ_OWN_INT_CHAR_EN_WIDTH 1
+#define	FRF_BZ_EVF_OFLO_INT_CHAR_EN_LBN 34
+#define	FRF_BZ_EVF_OFLO_INT_CHAR_EN_WIDTH 1
+#define	FRF_BZ_ILL_ADR_INT_CHAR_EN_LBN 33
+#define	FRF_BZ_ILL_ADR_INT_CHAR_EN_WIDTH 1
+#define	FRF_BZ_SRM_PERR_INT_CHAR_EN_LBN 32
+#define	FRF_BZ_SRM_PERR_INT_CHAR_EN_WIDTH 1
+#define	FRF_CZ_SRAM_PERR_INT_P_CHAR_LBN 12
+#define	FRF_CZ_SRAM_PERR_INT_P_CHAR_WIDTH 1
+#define	FRF_BB_PCI_BUSERR_INT_CHAR_LBN 11
+#define	FRF_BB_PCI_BUSERR_INT_CHAR_WIDTH 1
+#define	FRF_CZ_MBU_PERR_INT_CHAR_LBN 11
+#define	FRF_CZ_MBU_PERR_INT_CHAR_WIDTH 1
+#define	FRF_BZ_SRAM_OOB_INT_CHAR_LBN 10
+#define	FRF_BZ_SRAM_OOB_INT_CHAR_WIDTH 1
+#define	FRF_BZ_BUFID_DC_OOB_INT_CHAR_LBN 9
+#define	FRF_BZ_BUFID_DC_OOB_INT_CHAR_WIDTH 1
+#define	FRF_BZ_MEM_PERR_INT_CHAR_LBN 8
+#define	FRF_BZ_MEM_PERR_INT_CHAR_WIDTH 1
+#define	FRF_BZ_RBUF_OWN_INT_CHAR_LBN 7
+#define	FRF_BZ_RBUF_OWN_INT_CHAR_WIDTH 1
+#define	FRF_BZ_TBUF_OWN_INT_CHAR_LBN 6
+#define	FRF_BZ_TBUF_OWN_INT_CHAR_WIDTH 1
+#define	FRF_BZ_RDESCQ_OWN_INT_CHAR_LBN 5
+#define	FRF_BZ_RDESCQ_OWN_INT_CHAR_WIDTH 1
+#define	FRF_BZ_TDESCQ_OWN_INT_CHAR_LBN 4
+#define	FRF_BZ_TDESCQ_OWN_INT_CHAR_WIDTH 1
+#define	FRF_BZ_EVQ_OWN_INT_CHAR_LBN 3
+#define	FRF_BZ_EVQ_OWN_INT_CHAR_WIDTH 1
+#define	FRF_BZ_EVF_OFLO_INT_CHAR_LBN 2
+#define	FRF_BZ_EVF_OFLO_INT_CHAR_WIDTH 1
+#define	FRF_BZ_ILL_ADR_INT_CHAR_LBN 1
+#define	FRF_BZ_ILL_ADR_INT_CHAR_WIDTH 1
+#define	FRF_BZ_SRM_PERR_INT_CHAR_LBN 0
+#define	FRF_BZ_SRM_PERR_INT_CHAR_WIDTH 1
+
+/* DP_CTRL_REG: Datapath control register */
+#define	FR_BZ_DP_CTRL 0x00000250
+#define	FRF_BZ_FLS_EVQ_ID_LBN 0
+#define	FRF_BZ_FLS_EVQ_ID_WIDTH 12
+
+/* MEM_STAT_REG: Memory status register */
+#define	FR_AZ_MEM_STAT 0x00000260
+#define	FRF_AB_MEM_PERR_VEC_LBN 53
+#define	FRF_AB_MEM_PERR_VEC_WIDTH 38
+#define	FRF_AB_MBIST_CORR_LBN 38
+#define	FRF_AB_MBIST_CORR_WIDTH 15
+#define	FRF_AB_MBIST_ERR_LBN 0
+#define	FRF_AB_MBIST_ERR_WIDTH 40
+#define	FRF_CZ_MEM_PERR_VEC_LBN 0
+#define	FRF_CZ_MEM_PERR_VEC_WIDTH 35
+
+/* CS_DEBUG_REG: Debug register */
+#define	FR_AZ_CS_DEBUG 0x00000270
+#define	FRF_AB_GLB_DEBUG2_SEL_LBN 50
+#define	FRF_AB_GLB_DEBUG2_SEL_WIDTH 3
+#define	FRF_AB_DEBUG_BLK_SEL2_LBN 47
+#define	FRF_AB_DEBUG_BLK_SEL2_WIDTH 3
+#define	FRF_AB_DEBUG_BLK_SEL1_LBN 44
+#define	FRF_AB_DEBUG_BLK_SEL1_WIDTH 3
+#define	FRF_AB_DEBUG_BLK_SEL0_LBN 41
+#define	FRF_AB_DEBUG_BLK_SEL0_WIDTH 3
+#define	FRF_CZ_CS_PORT_NUM_LBN 40
+#define	FRF_CZ_CS_PORT_NUM_WIDTH 2
+#define	FRF_AB_MISC_DEBUG_ADDR_LBN 36
+#define	FRF_AB_MISC_DEBUG_ADDR_WIDTH 5
+#define	FRF_AB_SERDES_DEBUG_ADDR_LBN 31
+#define	FRF_AB_SERDES_DEBUG_ADDR_WIDTH 5
+#define	FRF_CZ_CS_PORT_FPE_LBN 1
+#define	FRF_CZ_CS_PORT_FPE_WIDTH 35
+#define	FRF_AB_EM_DEBUG_ADDR_LBN 26
+#define	FRF_AB_EM_DEBUG_ADDR_WIDTH 5
+#define	FRF_AB_SR_DEBUG_ADDR_LBN 21
+#define	FRF_AB_SR_DEBUG_ADDR_WIDTH 5
+#define	FRF_AB_EV_DEBUG_ADDR_LBN 16
+#define	FRF_AB_EV_DEBUG_ADDR_WIDTH 5
+#define	FRF_AB_RX_DEBUG_ADDR_LBN 11
+#define	FRF_AB_RX_DEBUG_ADDR_WIDTH 5
+#define	FRF_AB_TX_DEBUG_ADDR_LBN 6
+#define	FRF_AB_TX_DEBUG_ADDR_WIDTH 5
+#define	FRF_AB_CS_BIU_DEBUG_ADDR_LBN 1
+#define	FRF_AB_CS_BIU_DEBUG_ADDR_WIDTH 5
+#define	FRF_AZ_CS_DEBUG_EN_LBN 0
+#define	FRF_AZ_CS_DEBUG_EN_WIDTH 1
+
+/* DRIVER_REG: Driver scratch register [0-7] */
+#define	FR_AZ_DRIVER 0x00000280
+#define	FR_AZ_DRIVER_STEP 16
+#define	FR_AZ_DRIVER_ROWS 8
+#define	FRF_AZ_DRIVER_DW0_LBN 0
+#define	FRF_AZ_DRIVER_DW0_WIDTH 32
+
+/* ALTERA_BUILD_REG: Altera build register */
+#define	FR_AZ_ALTERA_BUILD 0x00000300
+#define	FRF_AZ_ALTERA_BUILD_VER_LBN 0
+#define	FRF_AZ_ALTERA_BUILD_VER_WIDTH 32
+
+/* CSR_SPARE_REG: Spare register */
+#define	FR_AZ_CSR_SPARE 0x00000310
+#define	FRF_AB_MEM_PERR_EN_LBN 64
+#define	FRF_AB_MEM_PERR_EN_WIDTH 38
+#define	FRF_CZ_MEM_PERR_EN_LBN 64
+#define	FRF_CZ_MEM_PERR_EN_WIDTH 35
+#define	FRF_AB_MEM_PERR_EN_TX_DATA_LBN 72
+#define	FRF_AB_MEM_PERR_EN_TX_DATA_WIDTH 2
+#define	FRF_AZ_CSR_SPARE_BITS_LBN 0
+#define	FRF_AZ_CSR_SPARE_BITS_WIDTH 32
+
+/* PCIE_SD_CTL0123_REG: PCIE SerDes control register 0 to 3 */
+#define	FR_AB_PCIE_SD_CTL0123 0x00000320
+#define	FRF_AB_PCIE_TESTSIG_H_LBN 96
+#define	FRF_AB_PCIE_TESTSIG_H_WIDTH 19
+#define	FRF_AB_PCIE_TESTSIG_L_LBN 64
+#define	FRF_AB_PCIE_TESTSIG_L_WIDTH 19
+#define	FRF_AB_PCIE_OFFSET_LBN 56
+#define	FRF_AB_PCIE_OFFSET_WIDTH 8
+#define	FRF_AB_PCIE_OFFSETEN_H_LBN 55
+#define	FRF_AB_PCIE_OFFSETEN_H_WIDTH 1
+#define	FRF_AB_PCIE_OFFSETEN_L_LBN 54
+#define	FRF_AB_PCIE_OFFSETEN_L_WIDTH 1
+#define	FRF_AB_PCIE_HIVMODE_H_LBN 53
+#define	FRF_AB_PCIE_HIVMODE_H_WIDTH 1
+#define	FRF_AB_PCIE_HIVMODE_L_LBN 52
+#define	FRF_AB_PCIE_HIVMODE_L_WIDTH 1
+#define	FRF_AB_PCIE_PARRESET_H_LBN 51
+#define	FRF_AB_PCIE_PARRESET_H_WIDTH 1
+#define	FRF_AB_PCIE_PARRESET_L_LBN 50
+#define	FRF_AB_PCIE_PARRESET_L_WIDTH 1
+#define	FRF_AB_PCIE_LPBKWDRV_H_LBN 49
+#define	FRF_AB_PCIE_LPBKWDRV_H_WIDTH 1
+#define	FRF_AB_PCIE_LPBKWDRV_L_LBN 48
+#define	FRF_AB_PCIE_LPBKWDRV_L_WIDTH 1
+#define	FRF_AB_PCIE_LPBK_LBN 40
+#define	FRF_AB_PCIE_LPBK_WIDTH 8
+#define	FRF_AB_PCIE_PARLPBK_LBN 32
+#define	FRF_AB_PCIE_PARLPBK_WIDTH 8
+#define	FRF_AB_PCIE_RXTERMADJ_H_LBN 30
+#define	FRF_AB_PCIE_RXTERMADJ_H_WIDTH 2
+#define	FRF_AB_PCIE_RXTERMADJ_L_LBN 28
+#define	FRF_AB_PCIE_RXTERMADJ_L_WIDTH 2
+#define	FFE_AB_PCIE_RXTERMADJ_MIN15PCNT 3
+#define	FFE_AB_PCIE_RXTERMADJ_PL10PCNT 2
+#define	FFE_AB_PCIE_RXTERMADJ_MIN17PCNT 1
+#define	FFE_AB_PCIE_RXTERMADJ_NOMNL 0
+#define	FRF_AB_PCIE_TXTERMADJ_H_LBN 26
+#define	FRF_AB_PCIE_TXTERMADJ_H_WIDTH 2
+#define	FRF_AB_PCIE_TXTERMADJ_L_LBN 24
+#define	FRF_AB_PCIE_TXTERMADJ_L_WIDTH 2
+#define	FFE_AB_PCIE_TXTERMADJ_MIN15PCNT 3
+#define	FFE_AB_PCIE_TXTERMADJ_PL10PCNT 2
+#define	FFE_AB_PCIE_TXTERMADJ_MIN17PCNT 1
+#define	FFE_AB_PCIE_TXTERMADJ_NOMNL 0
+#define	FRF_AB_PCIE_RXEQCTL_H_LBN 18
+#define	FRF_AB_PCIE_RXEQCTL_H_WIDTH 2
+#define	FRF_AB_PCIE_RXEQCTL_L_LBN 16
+#define	FRF_AB_PCIE_RXEQCTL_L_WIDTH 2
+#define	FFE_AB_PCIE_RXEQCTL_OFF_ALT 3
+#define	FFE_AB_PCIE_RXEQCTL_OFF 2
+#define	FFE_AB_PCIE_RXEQCTL_MIN 1
+#define	FFE_AB_PCIE_RXEQCTL_MAX 0
+#define	FRF_AB_PCIE_HIDRV_LBN 8
+#define	FRF_AB_PCIE_HIDRV_WIDTH 8
+#define	FRF_AB_PCIE_LODRV_LBN 0
+#define	FRF_AB_PCIE_LODRV_WIDTH 8
+
+/* PCIE_SD_CTL45_REG: PCIE SerDes control register 4 and 5 */
+#define	FR_AB_PCIE_SD_CTL45 0x00000330
+#define	FRF_AB_PCIE_DTX7_LBN 60
+#define	FRF_AB_PCIE_DTX7_WIDTH 4
+#define	FRF_AB_PCIE_DTX6_LBN 56
+#define	FRF_AB_PCIE_DTX6_WIDTH 4
+#define	FRF_AB_PCIE_DTX5_LBN 52
+#define	FRF_AB_PCIE_DTX5_WIDTH 4
+#define	FRF_AB_PCIE_DTX4_LBN 48
+#define	FRF_AB_PCIE_DTX4_WIDTH 4
+#define	FRF_AB_PCIE_DTX3_LBN 44
+#define	FRF_AB_PCIE_DTX3_WIDTH 4
+#define	FRF_AB_PCIE_DTX2_LBN 40
+#define	FRF_AB_PCIE_DTX2_WIDTH 4
+#define	FRF_AB_PCIE_DTX1_LBN 36
+#define	FRF_AB_PCIE_DTX1_WIDTH 4
+#define	FRF_AB_PCIE_DTX0_LBN 32
+#define	FRF_AB_PCIE_DTX0_WIDTH 4
+#define	FRF_AB_PCIE_DEQ7_LBN 28
+#define	FRF_AB_PCIE_DEQ7_WIDTH 4
+#define	FRF_AB_PCIE_DEQ6_LBN 24
+#define	FRF_AB_PCIE_DEQ6_WIDTH 4
+#define	FRF_AB_PCIE_DEQ5_LBN 20
+#define	FRF_AB_PCIE_DEQ5_WIDTH 4
+#define	FRF_AB_PCIE_DEQ4_LBN 16
+#define	FRF_AB_PCIE_DEQ4_WIDTH 4
+#define	FRF_AB_PCIE_DEQ3_LBN 12
+#define	FRF_AB_PCIE_DEQ3_WIDTH 4
+#define	FRF_AB_PCIE_DEQ2_LBN 8
+#define	FRF_AB_PCIE_DEQ2_WIDTH 4
+#define	FRF_AB_PCIE_DEQ1_LBN 4
+#define	FRF_AB_PCIE_DEQ1_WIDTH 4
+#define	FRF_AB_PCIE_DEQ0_LBN 0
+#define	FRF_AB_PCIE_DEQ0_WIDTH 4
+
+/* PCIE_PCS_CTL_STAT_REG: PCIE PCS control and status register */
+#define	FR_AB_PCIE_PCS_CTL_STAT 0x00000340
+#define	FRF_AB_PCIE_PRBSERRCOUNT0_H_LBN 52
+#define	FRF_AB_PCIE_PRBSERRCOUNT0_H_WIDTH 4
+#define	FRF_AB_PCIE_PRBSERRCOUNT0_L_LBN 48
+#define	FRF_AB_PCIE_PRBSERRCOUNT0_L_WIDTH 4
+#define	FRF_AB_PCIE_PRBSERR_LBN 40
+#define	FRF_AB_PCIE_PRBSERR_WIDTH 8
+#define	FRF_AB_PCIE_PRBSERRH0_LBN 32
+#define	FRF_AB_PCIE_PRBSERRH0_WIDTH 8
+#define	FRF_AB_PCIE_FASTINIT_H_LBN 15
+#define	FRF_AB_PCIE_FASTINIT_H_WIDTH 1
+#define	FRF_AB_PCIE_FASTINIT_L_LBN 14
+#define	FRF_AB_PCIE_FASTINIT_L_WIDTH 1
+#define	FRF_AB_PCIE_CTCDISABLE_H_LBN 13
+#define	FRF_AB_PCIE_CTCDISABLE_H_WIDTH 1
+#define	FRF_AB_PCIE_CTCDISABLE_L_LBN 12
+#define	FRF_AB_PCIE_CTCDISABLE_L_WIDTH 1
+#define	FRF_AB_PCIE_PRBSSYNC_H_LBN 11
+#define	FRF_AB_PCIE_PRBSSYNC_H_WIDTH 1
+#define	FRF_AB_PCIE_PRBSSYNC_L_LBN 10
+#define	FRF_AB_PCIE_PRBSSYNC_L_WIDTH 1
+#define	FRF_AB_PCIE_PRBSERRACK_H_LBN 9
+#define	FRF_AB_PCIE_PRBSERRACK_H_WIDTH 1
+#define	FRF_AB_PCIE_PRBSERRACK_L_LBN 8
+#define	FRF_AB_PCIE_PRBSERRACK_L_WIDTH 1
+#define	FRF_AB_PCIE_PRBSSEL_LBN 0
+#define	FRF_AB_PCIE_PRBSSEL_WIDTH 8
+
+/* DEBUG_DATA_OUT_REG: Live Debug and Debug 2 out ports */
+#define	FR_BB_DEBUG_DATA_OUT 0x00000350
+#define	FRF_BB_DEBUG2_PORT_LBN 25
+#define	FRF_BB_DEBUG2_PORT_WIDTH 15
+#define	FRF_BB_DEBUG1_PORT_LBN 0
+#define	FRF_BB_DEBUG1_PORT_WIDTH 25
+
+/* EVQ_RPTR_REGP0: Event queue read pointer register */
+#define	FR_BZ_EVQ_RPTR_P0 0x00000400
+#define	FR_BZ_EVQ_RPTR_P0_STEP 8192
+#define	FR_BZ_EVQ_RPTR_P0_ROWS 1024
+/* EVQ_RPTR_REG_KER: Event queue read pointer register */
+#define	FR_AA_EVQ_RPTR_KER 0x00011b00
+#define	FR_AA_EVQ_RPTR_KER_STEP 4
+#define	FR_AA_EVQ_RPTR_KER_ROWS 4
+/* EVQ_RPTR_REG: Event queue read pointer register */
+#define	FR_BZ_EVQ_RPTR 0x00fa0000
+#define	FR_BZ_EVQ_RPTR_STEP 16
+#define	FR_BB_EVQ_RPTR_ROWS 4096
+#define	FR_CZ_EVQ_RPTR_ROWS 1024
+/* EVQ_RPTR_REGP123: Event queue read pointer register */
+#define	FR_BB_EVQ_RPTR_P123 0x01000400
+#define	FR_BB_EVQ_RPTR_P123_STEP 8192
+#define	FR_BB_EVQ_RPTR_P123_ROWS 3072
+#define	FRF_AZ_EVQ_RPTR_VLD_LBN 15
+#define	FRF_AZ_EVQ_RPTR_VLD_WIDTH 1
+#define	FRF_AZ_EVQ_RPTR_LBN 0
+#define	FRF_AZ_EVQ_RPTR_WIDTH 15
+
+/* TIMER_COMMAND_REGP0: Timer Command Registers */
+#define	FR_BZ_TIMER_COMMAND_P0 0x00000420
+#define	FR_BZ_TIMER_COMMAND_P0_STEP 8192
+#define	FR_BZ_TIMER_COMMAND_P0_ROWS 1024
+/* TIMER_COMMAND_REG_KER: Timer Command Registers */
+#define	FR_AA_TIMER_COMMAND_KER 0x00000420
+#define	FR_AA_TIMER_COMMAND_KER_STEP 8192
+#define	FR_AA_TIMER_COMMAND_KER_ROWS 4
+/* TIMER_COMMAND_REGP123: Timer Command Registers */
+#define	FR_BB_TIMER_COMMAND_P123 0x01000420
+#define	FR_BB_TIMER_COMMAND_P123_STEP 8192
+#define	FR_BB_TIMER_COMMAND_P123_ROWS 3072
+#define	FRF_CZ_TC_TIMER_MODE_LBN 14
+#define	FRF_CZ_TC_TIMER_MODE_WIDTH 2
+#define	FRF_AB_TC_TIMER_MODE_LBN 12
+#define	FRF_AB_TC_TIMER_MODE_WIDTH 2
+#define	FRF_CZ_TC_TIMER_VAL_LBN 0
+#define	FRF_CZ_TC_TIMER_VAL_WIDTH 14
+#define	FRF_AB_TC_TIMER_VAL_LBN 0
+#define	FRF_AB_TC_TIMER_VAL_WIDTH 12
+
+/* DRV_EV_REG: Driver generated event register */
+#define	FR_AZ_DRV_EV 0x00000440
+#define	FRF_AZ_DRV_EV_QID_LBN 64
+#define	FRF_AZ_DRV_EV_QID_WIDTH 12
+#define	FRF_AZ_DRV_EV_DATA_LBN 0
+#define	FRF_AZ_DRV_EV_DATA_WIDTH 64
+
+/* EVQ_CTL_REG: Event queue control register */
+#define	FR_AZ_EVQ_CTL 0x00000450
+#define	FRF_CZ_RX_EVQ_WAKEUP_MASK_LBN 15
+#define	FRF_CZ_RX_EVQ_WAKEUP_MASK_WIDTH 10
+#define	FRF_BB_RX_EVQ_WAKEUP_MASK_LBN 15
+#define	FRF_BB_RX_EVQ_WAKEUP_MASK_WIDTH 6
+#define	FRF_AZ_EVQ_OWNERR_CTL_LBN 14
+#define	FRF_AZ_EVQ_OWNERR_CTL_WIDTH 1
+#define	FRF_AZ_EVQ_FIFO_AF_TH_LBN 7
+#define	FRF_AZ_EVQ_FIFO_AF_TH_WIDTH 7
+#define	FRF_AZ_EVQ_FIFO_NOTAF_TH_LBN 0
+#define	FRF_AZ_EVQ_FIFO_NOTAF_TH_WIDTH 7
+
+/* EVQ_CNT1_REG: Event counter 1 register */
+#define	FR_AZ_EVQ_CNT1 0x00000460
+#define	FRF_AZ_EVQ_CNT_PRE_FIFO_LBN 120
+#define	FRF_AZ_EVQ_CNT_PRE_FIFO_WIDTH 7
+#define	FRF_AZ_EVQ_CNT_TOBIU_LBN 100
+#define	FRF_AZ_EVQ_CNT_TOBIU_WIDTH 20
+#define	FRF_AZ_EVQ_TX_REQ_CNT_LBN 80
+#define	FRF_AZ_EVQ_TX_REQ_CNT_WIDTH 20
+#define	FRF_AZ_EVQ_RX_REQ_CNT_LBN 60
+#define	FRF_AZ_EVQ_RX_REQ_CNT_WIDTH 20
+#define	FRF_AZ_EVQ_EM_REQ_CNT_LBN 40
+#define	FRF_AZ_EVQ_EM_REQ_CNT_WIDTH 20
+#define	FRF_AZ_EVQ_CSR_REQ_CNT_LBN 20
+#define	FRF_AZ_EVQ_CSR_REQ_CNT_WIDTH 20
+#define	FRF_AZ_EVQ_ERR_REQ_CNT_LBN 0
+#define	FRF_AZ_EVQ_ERR_REQ_CNT_WIDTH 20
+
+/* EVQ_CNT2_REG: Event counter 2 register */
+#define	FR_AZ_EVQ_CNT2 0x00000470
+#define	FRF_AZ_EVQ_UPD_REQ_CNT_LBN 104
+#define	FRF_AZ_EVQ_UPD_REQ_CNT_WIDTH 20
+#define	FRF_AZ_EVQ_CLR_REQ_CNT_LBN 84
+#define	FRF_AZ_EVQ_CLR_REQ_CNT_WIDTH 20
+#define	FRF_AZ_EVQ_RDY_CNT_LBN 80
+#define	FRF_AZ_EVQ_RDY_CNT_WIDTH 4
+#define	FRF_AZ_EVQ_WU_REQ_CNT_LBN 60
+#define	FRF_AZ_EVQ_WU_REQ_CNT_WIDTH 20
+#define	FRF_AZ_EVQ_WET_REQ_CNT_LBN 40
+#define	FRF_AZ_EVQ_WET_REQ_CNT_WIDTH 20
+#define	FRF_AZ_EVQ_INIT_REQ_CNT_LBN 20
+#define	FRF_AZ_EVQ_INIT_REQ_CNT_WIDTH 20
+#define	FRF_AZ_EVQ_TM_REQ_CNT_LBN 0
+#define	FRF_AZ_EVQ_TM_REQ_CNT_WIDTH 20
+
+/* USR_EV_REG: Event mailbox register */
+#define	FR_CZ_USR_EV 0x00000540
+#define	FR_CZ_USR_EV_STEP 8192
+#define	FR_CZ_USR_EV_ROWS 1024
+#define	FRF_CZ_USR_EV_DATA_LBN 0
+#define	FRF_CZ_USR_EV_DATA_WIDTH 32
+
+/* BUF_TBL_CFG_REG: Buffer table configuration register */
+#define	FR_AZ_BUF_TBL_CFG 0x00000600
+#define	FRF_AZ_BUF_TBL_MODE_LBN 3
+#define	FRF_AZ_BUF_TBL_MODE_WIDTH 1
+
+/* SRM_RX_DC_CFG_REG: SRAM receive descriptor cache configuration register */
+#define	FR_AZ_SRM_RX_DC_CFG 0x00000610
+#define	FRF_AZ_SRM_CLK_TMP_EN_LBN 21
+#define	FRF_AZ_SRM_CLK_TMP_EN_WIDTH 1
+#define	FRF_AZ_SRM_RX_DC_BASE_ADR_LBN 0
+#define	FRF_AZ_SRM_RX_DC_BASE_ADR_WIDTH 21
+
+/* SRM_TX_DC_CFG_REG: SRAM transmit descriptor cache configuration register */
+#define	FR_AZ_SRM_TX_DC_CFG 0x00000620
+#define	FRF_AZ_SRM_TX_DC_BASE_ADR_LBN 0
+#define	FRF_AZ_SRM_TX_DC_BASE_ADR_WIDTH 21
+
+/* SRM_CFG_REG: SRAM configuration register */
+#define	FR_AZ_SRM_CFG 0x00000630
+#define	FRF_AZ_SRM_OOB_ADR_INTEN_LBN 5
+#define	FRF_AZ_SRM_OOB_ADR_INTEN_WIDTH 1
+#define	FRF_AZ_SRM_OOB_BUF_INTEN_LBN 4
+#define	FRF_AZ_SRM_OOB_BUF_INTEN_WIDTH 1
+#define	FRF_AZ_SRM_INIT_EN_LBN 3
+#define	FRF_AZ_SRM_INIT_EN_WIDTH 1
+#define	FRF_AZ_SRM_NUM_BANK_LBN 2
+#define	FRF_AZ_SRM_NUM_BANK_WIDTH 1
+#define	FRF_AZ_SRM_BANK_SIZE_LBN 0
+#define	FRF_AZ_SRM_BANK_SIZE_WIDTH 2
+
+/* BUF_TBL_UPD_REG: Buffer table update register */
+#define	FR_AZ_BUF_TBL_UPD 0x00000650
+#define	FRF_AZ_BUF_UPD_CMD_LBN 63
+#define	FRF_AZ_BUF_UPD_CMD_WIDTH 1
+#define	FRF_AZ_BUF_CLR_CMD_LBN 62
+#define	FRF_AZ_BUF_CLR_CMD_WIDTH 1
+#define	FRF_AZ_BUF_CLR_END_ID_LBN 32
+#define	FRF_AZ_BUF_CLR_END_ID_WIDTH 20
+#define	FRF_AZ_BUF_CLR_START_ID_LBN 0
+#define	FRF_AZ_BUF_CLR_START_ID_WIDTH 20
+
+/* SRM_UPD_EVQ_REG: Buffer table update register */
+#define	FR_AZ_SRM_UPD_EVQ 0x00000660
+#define	FRF_AZ_SRM_UPD_EVQ_ID_LBN 0
+#define	FRF_AZ_SRM_UPD_EVQ_ID_WIDTH 12
+
+/* SRAM_PARITY_REG: SRAM parity register. */
+#define	FR_AZ_SRAM_PARITY 0x00000670
+#define	FRF_CZ_BYPASS_ECC_LBN 3
+#define	FRF_CZ_BYPASS_ECC_WIDTH 1
+#define	FRF_CZ_SEC_INT_LBN 2
+#define	FRF_CZ_SEC_INT_WIDTH 1
+#define	FRF_CZ_FORCE_SRAM_DOUBLE_ERR_LBN 1
+#define	FRF_CZ_FORCE_SRAM_DOUBLE_ERR_WIDTH 1
+#define	FRF_AB_FORCE_SRAM_PERR_LBN 0
+#define	FRF_AB_FORCE_SRAM_PERR_WIDTH 1
+#define	FRF_CZ_FORCE_SRAM_SINGLE_ERR_LBN 0
+#define	FRF_CZ_FORCE_SRAM_SINGLE_ERR_WIDTH 1
+
+/* RX_CFG_REG: Receive configuration register */
+#define	FR_AZ_RX_CFG 0x00000800
+#define	FRF_CZ_RX_MIN_KBUF_SIZE_LBN 72
+#define	FRF_CZ_RX_MIN_KBUF_SIZE_WIDTH 14
+#define	FRF_CZ_RX_HDR_SPLIT_EN_LBN 71
+#define	FRF_CZ_RX_HDR_SPLIT_EN_WIDTH 1
+#define	FRF_CZ_RX_HDR_SPLIT_PLD_BUF_SIZE_LBN 62
+#define	FRF_CZ_RX_HDR_SPLIT_PLD_BUF_SIZE_WIDTH 9
+#define	FRF_CZ_RX_HDR_SPLIT_HDR_BUF_SIZE_LBN 53
+#define	FRF_CZ_RX_HDR_SPLIT_HDR_BUF_SIZE_WIDTH 9
+#define	FRF_CZ_RX_PRE_RFF_IPG_LBN 49
+#define	FRF_CZ_RX_PRE_RFF_IPG_WIDTH 4
+#define	FRF_BZ_RX_TCP_SUP_LBN 48
+#define	FRF_BZ_RX_TCP_SUP_WIDTH 1
+#define	FRF_BZ_RX_INGR_EN_LBN 47
+#define	FRF_BZ_RX_INGR_EN_WIDTH 1
+#define	FRF_BZ_RX_IP_HASH_LBN 46
+#define	FRF_BZ_RX_IP_HASH_WIDTH 1
+#define	FRF_BZ_RX_HASH_ALG_LBN 45
+#define	FRF_BZ_RX_HASH_ALG_WIDTH 1
+#define	FRF_BZ_RX_HASH_INSRT_HDR_LBN 44
+#define	FRF_BZ_RX_HASH_INSRT_HDR_WIDTH 1
+#define	FRF_BZ_RX_DESC_PUSH_EN_LBN 43
+#define	FRF_BZ_RX_DESC_PUSH_EN_WIDTH 1
+#define	FRF_BZ_RX_RDW_PATCH_EN_LBN 42
+#define	FRF_BZ_RX_RDW_PATCH_EN_WIDTH 1
+#define	FRF_BB_RX_PCI_BURST_SIZE_LBN 39
+#define	FRF_BB_RX_PCI_BURST_SIZE_WIDTH 3
+#define	FRF_BZ_RX_OWNERR_CTL_LBN 38
+#define	FRF_BZ_RX_OWNERR_CTL_WIDTH 1
+#define	FRF_BZ_RX_XON_TX_TH_LBN 33
+#define	FRF_BZ_RX_XON_TX_TH_WIDTH 5
+#define	FRF_AA_RX_DESC_PUSH_EN_LBN 35
+#define	FRF_AA_RX_DESC_PUSH_EN_WIDTH 1
+#define	FRF_AA_RX_RDW_PATCH_EN_LBN 34
+#define	FRF_AA_RX_RDW_PATCH_EN_WIDTH 1
+#define	FRF_AA_RX_PCI_BURST_SIZE_LBN 31
+#define	FRF_AA_RX_PCI_BURST_SIZE_WIDTH 3
+#define	FRF_BZ_RX_XOFF_TX_TH_LBN 28
+#define	FRF_BZ_RX_XOFF_TX_TH_WIDTH 5
+#define	FRF_AA_RX_OWNERR_CTL_LBN 30
+#define	FRF_AA_RX_OWNERR_CTL_WIDTH 1
+#define	FRF_AA_RX_XON_TX_TH_LBN 25
+#define	FRF_AA_RX_XON_TX_TH_WIDTH 5
+#define	FRF_BZ_RX_USR_BUF_SIZE_LBN 19
+#define	FRF_BZ_RX_USR_BUF_SIZE_WIDTH 9
+#define	FRF_AA_RX_XOFF_TX_TH_LBN 20
+#define	FRF_AA_RX_XOFF_TX_TH_WIDTH 5
+#define	FRF_AA_RX_USR_BUF_SIZE_LBN 11
+#define	FRF_AA_RX_USR_BUF_SIZE_WIDTH 9
+#define	FRF_BZ_RX_XON_MAC_TH_LBN 10
+#define	FRF_BZ_RX_XON_MAC_TH_WIDTH 9
+#define	FRF_AA_RX_XON_MAC_TH_LBN 6
+#define	FRF_AA_RX_XON_MAC_TH_WIDTH 5
+#define	FRF_BZ_RX_XOFF_MAC_TH_LBN 1
+#define	FRF_BZ_RX_XOFF_MAC_TH_WIDTH 9
+#define	FRF_AA_RX_XOFF_MAC_TH_LBN 1
+#define	FRF_AA_RX_XOFF_MAC_TH_WIDTH 5
+#define	FRF_AZ_RX_XOFF_MAC_EN_LBN 0
+#define	FRF_AZ_RX_XOFF_MAC_EN_WIDTH 1
+
+/* RX_FILTER_CTL_REG: Receive filter control registers */
+#define	FR_BZ_RX_FILTER_CTL 0x00000810
+#define	FRF_CZ_ETHERNET_WILDCARD_SEARCH_LIMIT_LBN 94
+#define	FRF_CZ_ETHERNET_WILDCARD_SEARCH_LIMIT_WIDTH 8
+#define	FRF_CZ_ETHERNET_FULL_SEARCH_LIMIT_LBN 86
+#define	FRF_CZ_ETHERNET_FULL_SEARCH_LIMIT_WIDTH 8
+#define	FRF_CZ_RX_FILTER_ALL_VLAN_ETHERTYPES_LBN 85
+#define	FRF_CZ_RX_FILTER_ALL_VLAN_ETHERTYPES_WIDTH 1
+#define	FRF_CZ_RX_VLAN_MATCH_ETHERTYPE_LBN 69
+#define	FRF_CZ_RX_VLAN_MATCH_ETHERTYPE_WIDTH 16
+#define	FRF_CZ_MULTICAST_NOMATCH_Q_ID_LBN 57
+#define	FRF_CZ_MULTICAST_NOMATCH_Q_ID_WIDTH 12
+#define	FRF_CZ_MULTICAST_NOMATCH_RSS_ENABLED_LBN 56
+#define	FRF_CZ_MULTICAST_NOMATCH_RSS_ENABLED_WIDTH 1
+#define	FRF_CZ_MULTICAST_NOMATCH_IP_OVERRIDE_LBN 55
+#define	FRF_CZ_MULTICAST_NOMATCH_IP_OVERRIDE_WIDTH 1
+#define	FRF_CZ_UNICAST_NOMATCH_Q_ID_LBN 43
+#define	FRF_CZ_UNICAST_NOMATCH_Q_ID_WIDTH 12
+#define	FRF_CZ_UNICAST_NOMATCH_RSS_ENABLED_LBN 42
+#define	FRF_CZ_UNICAST_NOMATCH_RSS_ENABLED_WIDTH 1
+#define	FRF_CZ_UNICAST_NOMATCH_IP_OVERRIDE_LBN 41
+#define	FRF_CZ_UNICAST_NOMATCH_IP_OVERRIDE_WIDTH 1
+#define	FRF_BZ_SCATTER_ENBL_NO_MATCH_Q_LBN 40
+#define	FRF_BZ_SCATTER_ENBL_NO_MATCH_Q_WIDTH 1
+#define	FRF_BZ_UDP_FULL_SRCH_LIMIT_LBN 32
+#define	FRF_BZ_UDP_FULL_SRCH_LIMIT_WIDTH 8
+#define	FRF_BZ_NUM_KER_LBN 24
+#define	FRF_BZ_NUM_KER_WIDTH 2
+#define	FRF_BZ_UDP_WILD_SRCH_LIMIT_LBN 16
+#define	FRF_BZ_UDP_WILD_SRCH_LIMIT_WIDTH 8
+#define	FRF_BZ_TCP_WILD_SRCH_LIMIT_LBN 8
+#define	FRF_BZ_TCP_WILD_SRCH_LIMIT_WIDTH 8
+#define	FRF_BZ_TCP_FULL_SRCH_LIMIT_LBN 0
+#define	FRF_BZ_TCP_FULL_SRCH_LIMIT_WIDTH 8
+
+/* RX_FLUSH_DESCQ_REG: Receive flush descriptor queue register */
+#define	FR_AZ_RX_FLUSH_DESCQ 0x00000820
+#define	FRF_AZ_RX_FLUSH_DESCQ_CMD_LBN 24
+#define	FRF_AZ_RX_FLUSH_DESCQ_CMD_WIDTH 1
+#define	FRF_AZ_RX_FLUSH_DESCQ_LBN 0
+#define	FRF_AZ_RX_FLUSH_DESCQ_WIDTH 12
+
+/* RX_DESC_UPD_REGP0: Receive descriptor update register. */
+#define	FR_BZ_RX_DESC_UPD_P0 0x00000830
+#define	FR_BZ_RX_DESC_UPD_P0_STEP 8192
+#define	FR_BZ_RX_DESC_UPD_P0_ROWS 1024
+/* RX_DESC_UPD_REG_KER: Receive descriptor update register. */
+#define	FR_AA_RX_DESC_UPD_KER 0x00000830
+#define	FR_AA_RX_DESC_UPD_KER_STEP 8192
+#define	FR_AA_RX_DESC_UPD_KER_ROWS 4
+/* RX_DESC_UPD_REGP123: Receive descriptor update register. */
+#define	FR_BB_RX_DESC_UPD_P123 0x01000830
+#define	FR_BB_RX_DESC_UPD_P123_STEP 8192
+#define	FR_BB_RX_DESC_UPD_P123_ROWS 3072
+#define	FRF_AZ_RX_DESC_WPTR_LBN 96
+#define	FRF_AZ_RX_DESC_WPTR_WIDTH 12
+#define	FRF_AZ_RX_DESC_PUSH_CMD_LBN 95
+#define	FRF_AZ_RX_DESC_PUSH_CMD_WIDTH 1
+#define	FRF_AZ_RX_DESC_LBN 0
+#define	FRF_AZ_RX_DESC_WIDTH 64
+
+/* RX_DC_CFG_REG: Receive descriptor cache configuration register */
+#define	FR_AZ_RX_DC_CFG 0x00000840
+#define	FRF_AB_RX_MAX_PF_LBN 2
+#define	FRF_AB_RX_MAX_PF_WIDTH 2
+#define	FRF_AZ_RX_DC_SIZE_LBN 0
+#define	FRF_AZ_RX_DC_SIZE_WIDTH 2
+#define	FFE_AZ_RX_DC_SIZE_64 3
+#define	FFE_AZ_RX_DC_SIZE_32 2
+#define	FFE_AZ_RX_DC_SIZE_16 1
+#define	FFE_AZ_RX_DC_SIZE_8 0
+
+/* RX_DC_PF_WM_REG: Receive descriptor cache pre-fetch watermark register */
+#define	FR_AZ_RX_DC_PF_WM 0x00000850
+#define	FRF_AZ_RX_DC_PF_HWM_LBN 6
+#define	FRF_AZ_RX_DC_PF_HWM_WIDTH 6
+#define	FRF_AZ_RX_DC_PF_LWM_LBN 0
+#define	FRF_AZ_RX_DC_PF_LWM_WIDTH 6
+
+/* RX_RSS_TKEY_REG: RSS Toeplitz hash key */
+#define	FR_BZ_RX_RSS_TKEY 0x00000860
+#define	FRF_BZ_RX_RSS_TKEY_HI_LBN 64
+#define	FRF_BZ_RX_RSS_TKEY_HI_WIDTH 64
+#define	FRF_BZ_RX_RSS_TKEY_LO_LBN 0
+#define	FRF_BZ_RX_RSS_TKEY_LO_WIDTH 64
+
+/* RX_NODESC_DROP_REG: Receive dropped packet counter register */
+#define	FR_AZ_RX_NODESC_DROP 0x00000880
+#define	FRF_CZ_RX_NODESC_DROP_CNT_LBN 0
+#define	FRF_CZ_RX_NODESC_DROP_CNT_WIDTH 32
+#define	FRF_AB_RX_NODESC_DROP_CNT_LBN 0
+#define	FRF_AB_RX_NODESC_DROP_CNT_WIDTH 16
+
+/* RX_SELF_RST_REG: Receive self reset register */
+#define	FR_AA_RX_SELF_RST 0x00000890
+#define	FRF_AA_RX_ISCSI_DIS_LBN 17
+#define	FRF_AA_RX_ISCSI_DIS_WIDTH 1
+#define	FRF_AA_RX_SW_RST_REG_LBN 16
+#define	FRF_AA_RX_SW_RST_REG_WIDTH 1
+#define FRF_AA_RX_NODESC_WAIT_DIS_LBN 9
+#define FRF_AA_RX_NODESC_WAIT_DIS_WIDTH 1
+#define	FRF_AA_RX_SELF_RST_EN_LBN 8
+#define	FRF_AA_RX_SELF_RST_EN_WIDTH 1
+#define	FRF_AA_RX_MAX_PF_LAT_LBN 4
+#define	FRF_AA_RX_MAX_PF_LAT_WIDTH 4
+#define	FRF_AA_RX_MAX_LU_LAT_LBN 0
+#define	FRF_AA_RX_MAX_LU_LAT_WIDTH 4
+
+/* RX_DEBUG_REG: undocumented register */
+#define	FR_AZ_RX_DEBUG 0x000008a0
+#define	FRF_AZ_RX_DEBUG_LBN 0
+#define	FRF_AZ_RX_DEBUG_WIDTH 64
+
+/* RX_PUSH_DROP_REG: Receive descriptor push dropped counter register */
+#define	FR_AZ_RX_PUSH_DROP 0x000008b0
+#define	FRF_AZ_RX_PUSH_DROP_CNT_LBN 0
+#define	FRF_AZ_RX_PUSH_DROP_CNT_WIDTH 32
+
+/* RX_RSS_IPV6_REG1: IPv6 RSS Toeplitz hash key low bytes */
+#define	FR_CZ_RX_RSS_IPV6_REG1 0x000008d0
+#define	FRF_CZ_RX_RSS_IPV6_TKEY_LO_LBN 0
+#define	FRF_CZ_RX_RSS_IPV6_TKEY_LO_WIDTH 128
+
+/* RX_RSS_IPV6_REG2: IPv6 RSS Toeplitz hash key middle bytes */
+#define	FR_CZ_RX_RSS_IPV6_REG2 0x000008e0
+#define	FRF_CZ_RX_RSS_IPV6_TKEY_MID_LBN 0
+#define	FRF_CZ_RX_RSS_IPV6_TKEY_MID_WIDTH 128
+
+/* RX_RSS_IPV6_REG3: IPv6 RSS Toeplitz hash key upper bytes and IPv6 RSS settings */
+#define	FR_CZ_RX_RSS_IPV6_REG3 0x000008f0
+#define	FRF_CZ_RX_RSS_IPV6_THASH_ENABLE_LBN 66
+#define	FRF_CZ_RX_RSS_IPV6_THASH_ENABLE_WIDTH 1
+#define	FRF_CZ_RX_RSS_IPV6_IP_THASH_ENABLE_LBN 65
+#define	FRF_CZ_RX_RSS_IPV6_IP_THASH_ENABLE_WIDTH 1
+#define	FRF_CZ_RX_RSS_IPV6_TCP_SUPPRESS_LBN 64
+#define	FRF_CZ_RX_RSS_IPV6_TCP_SUPPRESS_WIDTH 1
+#define	FRF_CZ_RX_RSS_IPV6_TKEY_HI_LBN 0
+#define	FRF_CZ_RX_RSS_IPV6_TKEY_HI_WIDTH 64
+
+/* TX_FLUSH_DESCQ_REG: Transmit flush descriptor queue register */
+#define	FR_AZ_TX_FLUSH_DESCQ 0x00000a00
+#define	FRF_AZ_TX_FLUSH_DESCQ_CMD_LBN 12
+#define	FRF_AZ_TX_FLUSH_DESCQ_CMD_WIDTH 1
+#define	FRF_AZ_TX_FLUSH_DESCQ_LBN 0
+#define	FRF_AZ_TX_FLUSH_DESCQ_WIDTH 12
+
+/* TX_DESC_UPD_REGP0: Transmit descriptor update register. */
+#define	FR_BZ_TX_DESC_UPD_P0 0x00000a10
+#define	FR_BZ_TX_DESC_UPD_P0_STEP 8192
+#define	FR_BZ_TX_DESC_UPD_P0_ROWS 1024
+/* TX_DESC_UPD_REG_KER: Transmit descriptor update register. */
+#define	FR_AA_TX_DESC_UPD_KER 0x00000a10
+#define	FR_AA_TX_DESC_UPD_KER_STEP 8192
+#define	FR_AA_TX_DESC_UPD_KER_ROWS 8
+/* TX_DESC_UPD_REGP123: Transmit descriptor update register. */
+#define	FR_BB_TX_DESC_UPD_P123 0x01000a10
+#define	FR_BB_TX_DESC_UPD_P123_STEP 8192
+#define	FR_BB_TX_DESC_UPD_P123_ROWS 3072
+#define	FRF_AZ_TX_DESC_WPTR_LBN 96
+#define	FRF_AZ_TX_DESC_WPTR_WIDTH 12
+#define	FRF_AZ_TX_DESC_PUSH_CMD_LBN 95
+#define	FRF_AZ_TX_DESC_PUSH_CMD_WIDTH 1
+#define	FRF_AZ_TX_DESC_LBN 0
+#define	FRF_AZ_TX_DESC_WIDTH 95
+
+/* TX_DC_CFG_REG: Transmit descriptor cache configuration register */
+#define	FR_AZ_TX_DC_CFG 0x00000a20
+#define	FRF_AZ_TX_DC_SIZE_LBN 0
+#define	FRF_AZ_TX_DC_SIZE_WIDTH 2
+#define	FFE_AZ_TX_DC_SIZE_32 2
+#define	FFE_AZ_TX_DC_SIZE_16 1
+#define	FFE_AZ_TX_DC_SIZE_8 0
+
+/* TX_CHKSM_CFG_REG: Transmit checksum configuration register */
+#define	FR_AA_TX_CHKSM_CFG 0x00000a30
+#define	FRF_AA_TX_Q_CHKSM_DIS_96_127_LBN 96
+#define	FRF_AA_TX_Q_CHKSM_DIS_96_127_WIDTH 32
+#define	FRF_AA_TX_Q_CHKSM_DIS_64_95_LBN 64
+#define	FRF_AA_TX_Q_CHKSM_DIS_64_95_WIDTH 32
+#define	FRF_AA_TX_Q_CHKSM_DIS_32_63_LBN 32
+#define	FRF_AA_TX_Q_CHKSM_DIS_32_63_WIDTH 32
+#define	FRF_AA_TX_Q_CHKSM_DIS_0_31_LBN 0
+#define	FRF_AA_TX_Q_CHKSM_DIS_0_31_WIDTH 32
+
+/* TX_CFG_REG: Transmit configuration register */
+#define	FR_AZ_TX_CFG 0x00000a50
+#define	FRF_CZ_TX_CONT_LOOKUP_THRESH_RANGE_LBN 114
+#define	FRF_CZ_TX_CONT_LOOKUP_THRESH_RANGE_WIDTH 8
+#define	FRF_CZ_TX_FILTER_TEST_MODE_BIT_LBN 113
+#define	FRF_CZ_TX_FILTER_TEST_MODE_BIT_WIDTH 1
+#define	FRF_CZ_TX_ETH_FILTER_WILD_SEARCH_RANGE_LBN 105
+#define	FRF_CZ_TX_ETH_FILTER_WILD_SEARCH_RANGE_WIDTH 8
+#define	FRF_CZ_TX_ETH_FILTER_FULL_SEARCH_RANGE_LBN 97
+#define	FRF_CZ_TX_ETH_FILTER_FULL_SEARCH_RANGE_WIDTH 8
+#define	FRF_CZ_TX_UDPIP_FILTER_WILD_SEARCH_RANGE_LBN 89
+#define	FRF_CZ_TX_UDPIP_FILTER_WILD_SEARCH_RANGE_WIDTH 8
+#define	FRF_CZ_TX_UDPIP_FILTER_FULL_SEARCH_RANGE_LBN 81
+#define	FRF_CZ_TX_UDPIP_FILTER_FULL_SEARCH_RANGE_WIDTH 8
+#define	FRF_CZ_TX_TCPIP_FILTER_WILD_SEARCH_RANGE_LBN 73
+#define	FRF_CZ_TX_TCPIP_FILTER_WILD_SEARCH_RANGE_WIDTH 8
+#define	FRF_CZ_TX_TCPIP_FILTER_FULL_SEARCH_RANGE_LBN 65
+#define	FRF_CZ_TX_TCPIP_FILTER_FULL_SEARCH_RANGE_WIDTH 8
+#define	FRF_CZ_TX_FILTER_ALL_VLAN_ETHERTYPES_BIT_LBN 64
+#define	FRF_CZ_TX_FILTER_ALL_VLAN_ETHERTYPES_BIT_WIDTH 1
+#define	FRF_CZ_TX_VLAN_MATCH_ETHERTYPE_RANGE_LBN 48
+#define	FRF_CZ_TX_VLAN_MATCH_ETHERTYPE_RANGE_WIDTH 16
+#define	FRF_CZ_TX_FILTER_EN_BIT_LBN 47
+#define	FRF_CZ_TX_FILTER_EN_BIT_WIDTH 1
+#define	FRF_AZ_TX_IP_ID_P0_OFS_LBN 16
+#define	FRF_AZ_TX_IP_ID_P0_OFS_WIDTH 15
+#define	FRF_AZ_TX_NO_EOP_DISC_EN_LBN 5
+#define	FRF_AZ_TX_NO_EOP_DISC_EN_WIDTH 1
+#define	FRF_AZ_TX_P1_PRI_EN_LBN 4
+#define	FRF_AZ_TX_P1_PRI_EN_WIDTH 1
+#define	FRF_AZ_TX_OWNERR_CTL_LBN 2
+#define	FRF_AZ_TX_OWNERR_CTL_WIDTH 1
+#define	FRF_AA_TX_NON_IP_DROP_DIS_LBN 1
+#define	FRF_AA_TX_NON_IP_DROP_DIS_WIDTH 1
+#define	FRF_AZ_TX_IP_ID_REP_EN_LBN 0
+#define	FRF_AZ_TX_IP_ID_REP_EN_WIDTH 1
+
+/* TX_PUSH_DROP_REG: Transmit push dropped register */
+#define	FR_AZ_TX_PUSH_DROP 0x00000a60
+#define	FRF_AZ_TX_PUSH_DROP_CNT_LBN 0
+#define	FRF_AZ_TX_PUSH_DROP_CNT_WIDTH 32
+
+/* TX_RESERVED_REG: Transmit configuration register */
+#define	FR_AZ_TX_RESERVED 0x00000a80
+#define	FRF_AZ_TX_EVT_CNT_LBN 121
+#define	FRF_AZ_TX_EVT_CNT_WIDTH 7
+#define	FRF_AZ_TX_PREF_AGE_CNT_LBN 119
+#define	FRF_AZ_TX_PREF_AGE_CNT_WIDTH 2
+#define	FRF_AZ_TX_RD_COMP_TMR_LBN 96
+#define	FRF_AZ_TX_RD_COMP_TMR_WIDTH 23
+#define	FRF_AZ_TX_PUSH_EN_LBN 89
+#define	FRF_AZ_TX_PUSH_EN_WIDTH 1
+#define	FRF_AZ_TX_PUSH_CHK_DIS_LBN 88
+#define	FRF_AZ_TX_PUSH_CHK_DIS_WIDTH 1
+#define	FRF_AZ_TX_D_FF_FULL_P0_LBN 85
+#define	FRF_AZ_TX_D_FF_FULL_P0_WIDTH 1
+#define	FRF_AZ_TX_DMAR_ST_P0_LBN 81
+#define	FRF_AZ_TX_DMAR_ST_P0_WIDTH 1
+#define	FRF_AZ_TX_DMAQ_ST_LBN 78
+#define	FRF_AZ_TX_DMAQ_ST_WIDTH 1
+#define	FRF_AZ_TX_RX_SPACER_LBN 64
+#define	FRF_AZ_TX_RX_SPACER_WIDTH 8
+#define	FRF_AZ_TX_DROP_ABORT_EN_LBN 60
+#define	FRF_AZ_TX_DROP_ABORT_EN_WIDTH 1
+#define	FRF_AZ_TX_SOFT_EVT_EN_LBN 59
+#define	FRF_AZ_TX_SOFT_EVT_EN_WIDTH 1
+#define	FRF_AZ_TX_PS_EVT_DIS_LBN 58
+#define	FRF_AZ_TX_PS_EVT_DIS_WIDTH 1
+#define	FRF_AZ_TX_RX_SPACER_EN_LBN 57
+#define	FRF_AZ_TX_RX_SPACER_EN_WIDTH 1
+#define	FRF_AZ_TX_XP_TIMER_LBN 52
+#define	FRF_AZ_TX_XP_TIMER_WIDTH 5
+#define	FRF_AZ_TX_PREF_SPACER_LBN 44
+#define	FRF_AZ_TX_PREF_SPACER_WIDTH 8
+#define	FRF_AZ_TX_PREF_WD_TMR_LBN 22
+#define	FRF_AZ_TX_PREF_WD_TMR_WIDTH 22
+#define	FRF_AZ_TX_ONLY1TAG_LBN 21
+#define	FRF_AZ_TX_ONLY1TAG_WIDTH 1
+#define	FRF_AZ_TX_PREF_THRESHOLD_LBN 19
+#define	FRF_AZ_TX_PREF_THRESHOLD_WIDTH 2
+#define	FRF_AZ_TX_ONE_PKT_PER_Q_LBN 18
+#define	FRF_AZ_TX_ONE_PKT_PER_Q_WIDTH 1
+#define	FRF_AZ_TX_DIS_NON_IP_EV_LBN 17
+#define	FRF_AZ_TX_DIS_NON_IP_EV_WIDTH 1
+#define	FRF_AA_TX_DMA_FF_THR_LBN 16
+#define	FRF_AA_TX_DMA_FF_THR_WIDTH 1
+#define	FRF_AZ_TX_DMA_SPACER_LBN 8
+#define	FRF_AZ_TX_DMA_SPACER_WIDTH 8
+#define	FRF_AA_TX_TCP_DIS_LBN 7
+#define	FRF_AA_TX_TCP_DIS_WIDTH 1
+#define	FRF_BZ_TX_FLUSH_MIN_LEN_EN_LBN 7
+#define	FRF_BZ_TX_FLUSH_MIN_LEN_EN_WIDTH 1
+#define	FRF_AA_TX_IP_DIS_LBN 6
+#define	FRF_AA_TX_IP_DIS_WIDTH 1
+#define	FRF_AZ_TX_MAX_CPL_LBN 2
+#define	FRF_AZ_TX_MAX_CPL_WIDTH 2
+#define	FFE_AZ_TX_MAX_CPL_16 3
+#define	FFE_AZ_TX_MAX_CPL_8 2
+#define	FFE_AZ_TX_MAX_CPL_4 1
+#define	FFE_AZ_TX_MAX_CPL_NOLIMIT 0
+#define	FRF_AZ_TX_MAX_PREF_LBN 0
+#define	FRF_AZ_TX_MAX_PREF_WIDTH 2
+#define	FFE_AZ_TX_MAX_PREF_32 3
+#define	FFE_AZ_TX_MAX_PREF_16 2
+#define	FFE_AZ_TX_MAX_PREF_8 1
+#define	FFE_AZ_TX_MAX_PREF_OFF 0
+
+/* TX_PACE_REG: Transmit pace control register */
+#define	FR_BZ_TX_PACE 0x00000a90
+#define	FRF_BZ_TX_PACE_SB_NOT_AF_LBN 19
+#define	FRF_BZ_TX_PACE_SB_NOT_AF_WIDTH 10
+#define	FRF_BZ_TX_PACE_SB_AF_LBN 9
+#define	FRF_BZ_TX_PACE_SB_AF_WIDTH 10
+#define	FRF_BZ_TX_PACE_FB_BASE_LBN 5
+#define	FRF_BZ_TX_PACE_FB_BASE_WIDTH 4
+#define	FRF_BZ_TX_PACE_BIN_TH_LBN 0
+#define	FRF_BZ_TX_PACE_BIN_TH_WIDTH 5
+
+/* TX_PACE_DROP_QID_REG: PACE Drop QID Counter */
+#define	FR_BZ_TX_PACE_DROP_QID 0x00000aa0
+#define	FRF_BZ_TX_PACE_QID_DRP_CNT_LBN 0
+#define	FRF_BZ_TX_PACE_QID_DRP_CNT_WIDTH 16
+
+/* TX_VLAN_REG: Transmit VLAN tag register */
+#define	FR_BB_TX_VLAN 0x00000ae0
+#define	FRF_BB_TX_VLAN_EN_LBN 127
+#define	FRF_BB_TX_VLAN_EN_WIDTH 1
+#define	FRF_BB_TX_VLAN7_PORT1_EN_LBN 125
+#define	FRF_BB_TX_VLAN7_PORT1_EN_WIDTH 1
+#define	FRF_BB_TX_VLAN7_PORT0_EN_LBN 124
+#define	FRF_BB_TX_VLAN7_PORT0_EN_WIDTH 1
+#define	FRF_BB_TX_VLAN7_LBN 112
+#define	FRF_BB_TX_VLAN7_WIDTH 12
+#define	FRF_BB_TX_VLAN6_PORT1_EN_LBN 109
+#define	FRF_BB_TX_VLAN6_PORT1_EN_WIDTH 1
+#define	FRF_BB_TX_VLAN6_PORT0_EN_LBN 108
+#define	FRF_BB_TX_VLAN6_PORT0_EN_WIDTH 1
+#define	FRF_BB_TX_VLAN6_LBN 96
+#define	FRF_BB_TX_VLAN6_WIDTH 12
+#define	FRF_BB_TX_VLAN5_PORT1_EN_LBN 93
+#define	FRF_BB_TX_VLAN5_PORT1_EN_WIDTH 1
+#define	FRF_BB_TX_VLAN5_PORT0_EN_LBN 92
+#define	FRF_BB_TX_VLAN5_PORT0_EN_WIDTH 1
+#define	FRF_BB_TX_VLAN5_LBN 80
+#define	FRF_BB_TX_VLAN5_WIDTH 12
+#define	FRF_BB_TX_VLAN4_PORT1_EN_LBN 77
+#define	FRF_BB_TX_VLAN4_PORT1_EN_WIDTH 1
+#define	FRF_BB_TX_VLAN4_PORT0_EN_LBN 76
+#define	FRF_BB_TX_VLAN4_PORT0_EN_WIDTH 1
+#define	FRF_BB_TX_VLAN4_LBN 64
+#define	FRF_BB_TX_VLAN4_WIDTH 12
+#define	FRF_BB_TX_VLAN3_PORT1_EN_LBN 61
+#define	FRF_BB_TX_VLAN3_PORT1_EN_WIDTH 1
+#define	FRF_BB_TX_VLAN3_PORT0_EN_LBN 60
+#define	FRF_BB_TX_VLAN3_PORT0_EN_WIDTH 1
+#define	FRF_BB_TX_VLAN3_LBN 48
+#define	FRF_BB_TX_VLAN3_WIDTH 12
+#define	FRF_BB_TX_VLAN2_PORT1_EN_LBN 45
+#define	FRF_BB_TX_VLAN2_PORT1_EN_WIDTH 1
+#define	FRF_BB_TX_VLAN2_PORT0_EN_LBN 44
+#define	FRF_BB_TX_VLAN2_PORT0_EN_WIDTH 1
+#define	FRF_BB_TX_VLAN2_LBN 32
+#define	FRF_BB_TX_VLAN2_WIDTH 12
+#define	FRF_BB_TX_VLAN1_PORT1_EN_LBN 29
+#define	FRF_BB_TX_VLAN1_PORT1_EN_WIDTH 1
+#define	FRF_BB_TX_VLAN1_PORT0_EN_LBN 28
+#define	FRF_BB_TX_VLAN1_PORT0_EN_WIDTH 1
+#define	FRF_BB_TX_VLAN1_LBN 16
+#define	FRF_BB_TX_VLAN1_WIDTH 12
+#define	FRF_BB_TX_VLAN0_PORT1_EN_LBN 13
+#define	FRF_BB_TX_VLAN0_PORT1_EN_WIDTH 1
+#define	FRF_BB_TX_VLAN0_PORT0_EN_LBN 12
+#define	FRF_BB_TX_VLAN0_PORT0_EN_WIDTH 1
+#define	FRF_BB_TX_VLAN0_LBN 0
+#define	FRF_BB_TX_VLAN0_WIDTH 12
+
+/* TX_IPFIL_PORTEN_REG: Transmit filter control register */
+#define	FR_BZ_TX_IPFIL_PORTEN 0x00000af0
+#define	FRF_BZ_TX_MADR0_FIL_EN_LBN 64
+#define	FRF_BZ_TX_MADR0_FIL_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL31_PORT_EN_LBN 62
+#define	FRF_BB_TX_IPFIL31_PORT_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL30_PORT_EN_LBN 60
+#define	FRF_BB_TX_IPFIL30_PORT_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL29_PORT_EN_LBN 58
+#define	FRF_BB_TX_IPFIL29_PORT_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL28_PORT_EN_LBN 56
+#define	FRF_BB_TX_IPFIL28_PORT_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL27_PORT_EN_LBN 54
+#define	FRF_BB_TX_IPFIL27_PORT_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL26_PORT_EN_LBN 52
+#define	FRF_BB_TX_IPFIL26_PORT_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL25_PORT_EN_LBN 50
+#define	FRF_BB_TX_IPFIL25_PORT_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL24_PORT_EN_LBN 48
+#define	FRF_BB_TX_IPFIL24_PORT_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL23_PORT_EN_LBN 46
+#define	FRF_BB_TX_IPFIL23_PORT_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL22_PORT_EN_LBN 44
+#define	FRF_BB_TX_IPFIL22_PORT_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL21_PORT_EN_LBN 42
+#define	FRF_BB_TX_IPFIL21_PORT_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL20_PORT_EN_LBN 40
+#define	FRF_BB_TX_IPFIL20_PORT_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL19_PORT_EN_LBN 38
+#define	FRF_BB_TX_IPFIL19_PORT_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL18_PORT_EN_LBN 36
+#define	FRF_BB_TX_IPFIL18_PORT_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL17_PORT_EN_LBN 34
+#define	FRF_BB_TX_IPFIL17_PORT_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL16_PORT_EN_LBN 32
+#define	FRF_BB_TX_IPFIL16_PORT_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL15_PORT_EN_LBN 30
+#define	FRF_BB_TX_IPFIL15_PORT_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL14_PORT_EN_LBN 28
+#define	FRF_BB_TX_IPFIL14_PORT_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL13_PORT_EN_LBN 26
+#define	FRF_BB_TX_IPFIL13_PORT_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL12_PORT_EN_LBN 24
+#define	FRF_BB_TX_IPFIL12_PORT_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL11_PORT_EN_LBN 22
+#define	FRF_BB_TX_IPFIL11_PORT_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL10_PORT_EN_LBN 20
+#define	FRF_BB_TX_IPFIL10_PORT_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL9_PORT_EN_LBN 18
+#define	FRF_BB_TX_IPFIL9_PORT_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL8_PORT_EN_LBN 16
+#define	FRF_BB_TX_IPFIL8_PORT_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL7_PORT_EN_LBN 14
+#define	FRF_BB_TX_IPFIL7_PORT_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL6_PORT_EN_LBN 12
+#define	FRF_BB_TX_IPFIL6_PORT_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL5_PORT_EN_LBN 10
+#define	FRF_BB_TX_IPFIL5_PORT_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL4_PORT_EN_LBN 8
+#define	FRF_BB_TX_IPFIL4_PORT_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL3_PORT_EN_LBN 6
+#define	FRF_BB_TX_IPFIL3_PORT_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL2_PORT_EN_LBN 4
+#define	FRF_BB_TX_IPFIL2_PORT_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL1_PORT_EN_LBN 2
+#define	FRF_BB_TX_IPFIL1_PORT_EN_WIDTH 1
+#define	FRF_BB_TX_IPFIL0_PORT_EN_LBN 0
+#define	FRF_BB_TX_IPFIL0_PORT_EN_WIDTH 1
+
+/* TX_IPFIL_TBL: Transmit IP source address filter table */
+#define	FR_BB_TX_IPFIL_TBL 0x00000b00
+#define	FR_BB_TX_IPFIL_TBL_STEP 16
+#define	FR_BB_TX_IPFIL_TBL_ROWS 16
+#define	FRF_BB_TX_IPFIL_MASK_1_LBN 96
+#define	FRF_BB_TX_IPFIL_MASK_1_WIDTH 32
+#define	FRF_BB_TX_IP_SRC_ADR_1_LBN 64
+#define	FRF_BB_TX_IP_SRC_ADR_1_WIDTH 32
+#define	FRF_BB_TX_IPFIL_MASK_0_LBN 32
+#define	FRF_BB_TX_IPFIL_MASK_0_WIDTH 32
+#define	FRF_BB_TX_IP_SRC_ADR_0_LBN 0
+#define	FRF_BB_TX_IP_SRC_ADR_0_WIDTH 32
+
+/* MD_TXD_REG: PHY management transmit data register */
+#define	FR_AB_MD_TXD 0x00000c00
+#define	FRF_AB_MD_TXD_LBN 0
+#define	FRF_AB_MD_TXD_WIDTH 16
+
+/* MD_RXD_REG: PHY management receive data register */
+#define	FR_AB_MD_RXD 0x00000c10
+#define	FRF_AB_MD_RXD_LBN 0
+#define	FRF_AB_MD_RXD_WIDTH 16
+
+/* MD_CS_REG: PHY management configuration & status register */
+#define	FR_AB_MD_CS 0x00000c20
+#define	FRF_AB_MD_RD_EN_CMD_LBN 15
+#define	FRF_AB_MD_RD_EN_CMD_WIDTH 1
+#define	FRF_AB_MD_WR_EN_CMD_LBN 14
+#define	FRF_AB_MD_WR_EN_CMD_WIDTH 1
+#define	FRF_AB_MD_ADDR_CMD_LBN 13
+#define	FRF_AB_MD_ADDR_CMD_WIDTH 1
+#define	FRF_AB_MD_PT_LBN 7
+#define	FRF_AB_MD_PT_WIDTH 3
+#define	FRF_AB_MD_PL_LBN 6
+#define	FRF_AB_MD_PL_WIDTH 1
+#define	FRF_AB_MD_INT_CLR_LBN 5
+#define	FRF_AB_MD_INT_CLR_WIDTH 1
+#define	FRF_AB_MD_GC_LBN 4
+#define	FRF_AB_MD_GC_WIDTH 1
+#define	FRF_AB_MD_PRSP_LBN 3
+#define	FRF_AB_MD_PRSP_WIDTH 1
+#define	FRF_AB_MD_RIC_LBN 2
+#define	FRF_AB_MD_RIC_WIDTH 1
+#define	FRF_AB_MD_RDC_LBN 1
+#define	FRF_AB_MD_RDC_WIDTH 1
+#define	FRF_AB_MD_WRC_LBN 0
+#define	FRF_AB_MD_WRC_WIDTH 1
+
+/* MD_PHY_ADR_REG: PHY management PHY address register */
+#define	FR_AB_MD_PHY_ADR 0x00000c30
+#define	FRF_AB_MD_PHY_ADR_LBN 0
+#define	FRF_AB_MD_PHY_ADR_WIDTH 16
+
+/* MD_ID_REG: PHY management ID register */
+#define	FR_AB_MD_ID 0x00000c40
+#define	FRF_AB_MD_PRT_ADR_LBN 11
+#define	FRF_AB_MD_PRT_ADR_WIDTH 5
+#define	FRF_AB_MD_DEV_ADR_LBN 6
+#define	FRF_AB_MD_DEV_ADR_WIDTH 5
+
+/* MD_STAT_REG: PHY management status & mask register */
+#define	FR_AB_MD_STAT 0x00000c50
+#define	FRF_AB_MD_PINT_LBN 4
+#define	FRF_AB_MD_PINT_WIDTH 1
+#define	FRF_AB_MD_DONE_LBN 3
+#define	FRF_AB_MD_DONE_WIDTH 1
+#define	FRF_AB_MD_BSERR_LBN 2
+#define	FRF_AB_MD_BSERR_WIDTH 1
+#define	FRF_AB_MD_LNFL_LBN 1
+#define	FRF_AB_MD_LNFL_WIDTH 1
+#define	FRF_AB_MD_BSY_LBN 0
+#define	FRF_AB_MD_BSY_WIDTH 1
+
+/* MAC_STAT_DMA_REG: Port MAC statistical counter DMA register */
+#define	FR_AB_MAC_STAT_DMA 0x00000c60
+#define	FRF_AB_MAC_STAT_DMA_CMD_LBN 48
+#define	FRF_AB_MAC_STAT_DMA_CMD_WIDTH 1
+#define	FRF_AB_MAC_STAT_DMA_ADR_LBN 0
+#define	FRF_AB_MAC_STAT_DMA_ADR_WIDTH 48
+
+/* MAC_CTRL_REG: Port MAC control register */
+#define	FR_AB_MAC_CTRL 0x00000c80
+#define	FRF_AB_MAC_XOFF_VAL_LBN 16
+#define	FRF_AB_MAC_XOFF_VAL_WIDTH 16
+#define	FRF_BB_TXFIFO_DRAIN_EN_LBN 7
+#define	FRF_BB_TXFIFO_DRAIN_EN_WIDTH 1
+#define	FRF_AB_MAC_XG_DISTXCRC_LBN 5
+#define	FRF_AB_MAC_XG_DISTXCRC_WIDTH 1
+#define	FRF_AB_MAC_BCAD_ACPT_LBN 4
+#define	FRF_AB_MAC_BCAD_ACPT_WIDTH 1
+#define	FRF_AB_MAC_UC_PROM_LBN 3
+#define	FRF_AB_MAC_UC_PROM_WIDTH 1
+#define	FRF_AB_MAC_LINK_STATUS_LBN 2
+#define	FRF_AB_MAC_LINK_STATUS_WIDTH 1
+#define	FRF_AB_MAC_SPEED_LBN 0
+#define	FRF_AB_MAC_SPEED_WIDTH 2
+#define	FFE_AB_MAC_SPEED_10G 3
+#define	FFE_AB_MAC_SPEED_1G 2
+#define	FFE_AB_MAC_SPEED_100M 1
+#define	FFE_AB_MAC_SPEED_10M 0
+
+/* GEN_MODE_REG: General Purpose mode register (external interrupt mask) */
+#define	FR_BB_GEN_MODE 0x00000c90
+#define	FRF_BB_XFP_PHY_INT_POL_SEL_LBN 3
+#define	FRF_BB_XFP_PHY_INT_POL_SEL_WIDTH 1
+#define	FRF_BB_XG_PHY_INT_POL_SEL_LBN 2
+#define	FRF_BB_XG_PHY_INT_POL_SEL_WIDTH 1
+#define	FRF_BB_XFP_PHY_INT_MASK_LBN 1
+#define	FRF_BB_XFP_PHY_INT_MASK_WIDTH 1
+#define	FRF_BB_XG_PHY_INT_MASK_LBN 0
+#define	FRF_BB_XG_PHY_INT_MASK_WIDTH 1
+
+/* MAC_MC_HASH_REG0: Multicast address hash table */
+#define	FR_AB_MAC_MC_HASH_REG0 0x00000ca0
+#define	FRF_AB_MAC_MCAST_HASH0_LBN 0
+#define	FRF_AB_MAC_MCAST_HASH0_WIDTH 128
+
+/* MAC_MC_HASH_REG1: Multicast address hash table */
+#define	FR_AB_MAC_MC_HASH_REG1 0x00000cb0
+#define	FRF_AB_MAC_MCAST_HASH1_LBN 0
+#define	FRF_AB_MAC_MCAST_HASH1_WIDTH 128
+
+/* GM_CFG1_REG: GMAC configuration register 1 */
+#define	FR_AB_GM_CFG1 0x00000e00
+#define	FRF_AB_GM_SW_RST_LBN 31
+#define	FRF_AB_GM_SW_RST_WIDTH 1
+#define	FRF_AB_GM_SIM_RST_LBN 30
+#define	FRF_AB_GM_SIM_RST_WIDTH 1
+#define	FRF_AB_GM_RST_RX_MAC_CTL_LBN 19
+#define	FRF_AB_GM_RST_RX_MAC_CTL_WIDTH 1
+#define	FRF_AB_GM_RST_TX_MAC_CTL_LBN 18
+#define	FRF_AB_GM_RST_TX_MAC_CTL_WIDTH 1
+#define	FRF_AB_GM_RST_RX_FUNC_LBN 17
+#define	FRF_AB_GM_RST_RX_FUNC_WIDTH 1
+#define	FRF_AB_GM_RST_TX_FUNC_LBN 16
+#define	FRF_AB_GM_RST_TX_FUNC_WIDTH 1
+#define	FRF_AB_GM_LOOP_LBN 8
+#define	FRF_AB_GM_LOOP_WIDTH 1
+#define	FRF_AB_GM_RX_FC_EN_LBN 5
+#define	FRF_AB_GM_RX_FC_EN_WIDTH 1
+#define	FRF_AB_GM_TX_FC_EN_LBN 4
+#define	FRF_AB_GM_TX_FC_EN_WIDTH 1
+#define	FRF_AB_GM_SYNC_RXEN_LBN 3
+#define	FRF_AB_GM_SYNC_RXEN_WIDTH 1
+#define	FRF_AB_GM_RX_EN_LBN 2
+#define	FRF_AB_GM_RX_EN_WIDTH 1
+#define	FRF_AB_GM_SYNC_TXEN_LBN 1
+#define	FRF_AB_GM_SYNC_TXEN_WIDTH 1
+#define	FRF_AB_GM_TX_EN_LBN 0
+#define	FRF_AB_GM_TX_EN_WIDTH 1
+
+/* GM_CFG2_REG: GMAC configuration register 2 */
+#define	FR_AB_GM_CFG2 0x00000e10
+#define	FRF_AB_GM_PAMBL_LEN_LBN 12
+#define	FRF_AB_GM_PAMBL_LEN_WIDTH 4
+#define	FRF_AB_GM_IF_MODE_LBN 8
+#define	FRF_AB_GM_IF_MODE_WIDTH 2
+#define	FFE_AB_IF_MODE_BYTE_MODE 2
+#define	FFE_AB_IF_MODE_NIBBLE_MODE 1
+#define	FRF_AB_GM_HUGE_FRM_EN_LBN 5
+#define	FRF_AB_GM_HUGE_FRM_EN_WIDTH 1
+#define	FRF_AB_GM_LEN_CHK_LBN 4
+#define	FRF_AB_GM_LEN_CHK_WIDTH 1
+#define	FRF_AB_GM_PAD_CRC_EN_LBN 2
+#define	FRF_AB_GM_PAD_CRC_EN_WIDTH 1
+#define	FRF_AB_GM_CRC_EN_LBN 1
+#define	FRF_AB_GM_CRC_EN_WIDTH 1
+#define	FRF_AB_GM_FD_LBN 0
+#define	FRF_AB_GM_FD_WIDTH 1
+
+/* GM_IPG_REG: GMAC IPG register */
+#define	FR_AB_GM_IPG 0x00000e20
+#define	FRF_AB_GM_NONB2B_IPG1_LBN 24
+#define	FRF_AB_GM_NONB2B_IPG1_WIDTH 7
+#define	FRF_AB_GM_NONB2B_IPG2_LBN 16
+#define	FRF_AB_GM_NONB2B_IPG2_WIDTH 7
+#define	FRF_AB_GM_MIN_IPG_ENF_LBN 8
+#define	FRF_AB_GM_MIN_IPG_ENF_WIDTH 8
+#define	FRF_AB_GM_B2B_IPG_LBN 0
+#define	FRF_AB_GM_B2B_IPG_WIDTH 7
+
+/* GM_HD_REG: GMAC half duplex register */
+#define	FR_AB_GM_HD 0x00000e30
+#define	FRF_AB_GM_ALT_BOFF_VAL_LBN 20
+#define	FRF_AB_GM_ALT_BOFF_VAL_WIDTH 4
+#define	FRF_AB_GM_ALT_BOFF_EN_LBN 19
+#define	FRF_AB_GM_ALT_BOFF_EN_WIDTH 1
+#define	FRF_AB_GM_BP_NO_BOFF_LBN 18
+#define	FRF_AB_GM_BP_NO_BOFF_WIDTH 1
+#define	FRF_AB_GM_DIS_BOFF_LBN 17
+#define	FRF_AB_GM_DIS_BOFF_WIDTH 1
+#define	FRF_AB_GM_EXDEF_TX_EN_LBN 16
+#define	FRF_AB_GM_EXDEF_TX_EN_WIDTH 1
+#define	FRF_AB_GM_RTRY_LIMIT_LBN 12
+#define	FRF_AB_GM_RTRY_LIMIT_WIDTH 4
+#define	FRF_AB_GM_COL_WIN_LBN 0
+#define	FRF_AB_GM_COL_WIN_WIDTH 10
+
+/* GM_MAX_FLEN_REG: GMAC maximum frame length register */
+#define	FR_AB_GM_MAX_FLEN 0x00000e40
+#define	FRF_AB_GM_MAX_FLEN_LBN 0
+#define	FRF_AB_GM_MAX_FLEN_WIDTH 16
+
+/* GM_TEST_REG: GMAC test register */
+#define	FR_AB_GM_TEST 0x00000e70
+#define	FRF_AB_GM_MAX_BOFF_LBN 3
+#define	FRF_AB_GM_MAX_BOFF_WIDTH 1
+#define	FRF_AB_GM_REG_TX_FLOW_EN_LBN 2
+#define	FRF_AB_GM_REG_TX_FLOW_EN_WIDTH 1
+#define	FRF_AB_GM_TEST_PAUSE_LBN 1
+#define	FRF_AB_GM_TEST_PAUSE_WIDTH 1
+#define	FRF_AB_GM_SHORT_SLOT_LBN 0
+#define	FRF_AB_GM_SHORT_SLOT_WIDTH 1
+
+/* GM_ADR1_REG: GMAC station address register 1 */
+#define	FR_AB_GM_ADR1 0x00000f00
+#define	FRF_AB_GM_ADR_B0_LBN 24
+#define	FRF_AB_GM_ADR_B0_WIDTH 8
+#define	FRF_AB_GM_ADR_B1_LBN 16
+#define	FRF_AB_GM_ADR_B1_WIDTH 8
+#define	FRF_AB_GM_ADR_B2_LBN 8
+#define	FRF_AB_GM_ADR_B2_WIDTH 8
+#define	FRF_AB_GM_ADR_B3_LBN 0
+#define	FRF_AB_GM_ADR_B3_WIDTH 8
+
+/* GM_ADR2_REG: GMAC station address register 2 */
+#define	FR_AB_GM_ADR2 0x00000f10
+#define	FRF_AB_GM_ADR_B4_LBN 24
+#define	FRF_AB_GM_ADR_B4_WIDTH 8
+#define	FRF_AB_GM_ADR_B5_LBN 16
+#define	FRF_AB_GM_ADR_B5_WIDTH 8
+
+/* GMF_CFG0_REG: GMAC FIFO configuration register 0 */
+#define	FR_AB_GMF_CFG0 0x00000f20
+#define	FRF_AB_GMF_FTFENRPLY_LBN 20
+#define	FRF_AB_GMF_FTFENRPLY_WIDTH 1
+#define	FRF_AB_GMF_STFENRPLY_LBN 19
+#define	FRF_AB_GMF_STFENRPLY_WIDTH 1
+#define	FRF_AB_GMF_FRFENRPLY_LBN 18
+#define	FRF_AB_GMF_FRFENRPLY_WIDTH 1
+#define	FRF_AB_GMF_SRFENRPLY_LBN 17
+#define	FRF_AB_GMF_SRFENRPLY_WIDTH 1
+#define	FRF_AB_GMF_WTMENRPLY_LBN 16
+#define	FRF_AB_GMF_WTMENRPLY_WIDTH 1
+#define	FRF_AB_GMF_FTFENREQ_LBN 12
+#define	FRF_AB_GMF_FTFENREQ_WIDTH 1
+#define	FRF_AB_GMF_STFENREQ_LBN 11
+#define	FRF_AB_GMF_STFENREQ_WIDTH 1
+#define	FRF_AB_GMF_FRFENREQ_LBN 10
+#define	FRF_AB_GMF_FRFENREQ_WIDTH 1
+#define	FRF_AB_GMF_SRFENREQ_LBN 9
+#define	FRF_AB_GMF_SRFENREQ_WIDTH 1
+#define	FRF_AB_GMF_WTMENREQ_LBN 8
+#define	FRF_AB_GMF_WTMENREQ_WIDTH 1
+#define	FRF_AB_GMF_HSTRSTFT_LBN 4
+#define	FRF_AB_GMF_HSTRSTFT_WIDTH 1
+#define	FRF_AB_GMF_HSTRSTST_LBN 3
+#define	FRF_AB_GMF_HSTRSTST_WIDTH 1
+#define	FRF_AB_GMF_HSTRSTFR_LBN 2
+#define	FRF_AB_GMF_HSTRSTFR_WIDTH 1
+#define	FRF_AB_GMF_HSTRSTSR_LBN 1
+#define	FRF_AB_GMF_HSTRSTSR_WIDTH 1
+#define	FRF_AB_GMF_HSTRSTWT_LBN 0
+#define	FRF_AB_GMF_HSTRSTWT_WIDTH 1
+
+/* GMF_CFG1_REG: GMAC FIFO configuration register 1 */
+#define	FR_AB_GMF_CFG1 0x00000f30
+#define	FRF_AB_GMF_CFGFRTH_LBN 16
+#define	FRF_AB_GMF_CFGFRTH_WIDTH 5
+#define	FRF_AB_GMF_CFGXOFFRTX_LBN 0
+#define	FRF_AB_GMF_CFGXOFFRTX_WIDTH 16
+
+/* GMF_CFG2_REG: GMAC FIFO configuration register 2 */
+#define	FR_AB_GMF_CFG2 0x00000f40
+#define	FRF_AB_GMF_CFGHWM_LBN 16
+#define	FRF_AB_GMF_CFGHWM_WIDTH 6
+#define	FRF_AB_GMF_CFGLWM_LBN 0
+#define	FRF_AB_GMF_CFGLWM_WIDTH 6
+
+/* GMF_CFG3_REG: GMAC FIFO configuration register 3 */
+#define	FR_AB_GMF_CFG3 0x00000f50
+#define	FRF_AB_GMF_CFGHWMFT_LBN 16
+#define	FRF_AB_GMF_CFGHWMFT_WIDTH 6
+#define	FRF_AB_GMF_CFGFTTH_LBN 0
+#define	FRF_AB_GMF_CFGFTTH_WIDTH 6
+
+/* GMF_CFG4_REG: GMAC FIFO configuration register 4 */
+#define	FR_AB_GMF_CFG4 0x00000f60
+#define	FRF_AB_GMF_HSTFLTRFRM_LBN 0
+#define	FRF_AB_GMF_HSTFLTRFRM_WIDTH 18
+
+/* GMF_CFG5_REG: GMAC FIFO configuration register 5 */
+#define	FR_AB_GMF_CFG5 0x00000f70
+#define	FRF_AB_GMF_CFGHDPLX_LBN 22
+#define	FRF_AB_GMF_CFGHDPLX_WIDTH 1
+#define	FRF_AB_GMF_SRFULL_LBN 21
+#define	FRF_AB_GMF_SRFULL_WIDTH 1
+#define	FRF_AB_GMF_HSTSRFULLCLR_LBN 20
+#define	FRF_AB_GMF_HSTSRFULLCLR_WIDTH 1
+#define	FRF_AB_GMF_CFGBYTMODE_LBN 19
+#define	FRF_AB_GMF_CFGBYTMODE_WIDTH 1
+#define	FRF_AB_GMF_HSTDRPLT64_LBN 18
+#define	FRF_AB_GMF_HSTDRPLT64_WIDTH 1
+#define	FRF_AB_GMF_HSTFLTRFRMDC_LBN 0
+#define	FRF_AB_GMF_HSTFLTRFRMDC_WIDTH 18
+
+/* TX_SRC_MAC_TBL: Transmit IP source address filter table */
+#define	FR_BB_TX_SRC_MAC_TBL 0x00001000
+#define	FR_BB_TX_SRC_MAC_TBL_STEP 16
+#define	FR_BB_TX_SRC_MAC_TBL_ROWS 16
+#define	FRF_BB_TX_SRC_MAC_ADR_1_LBN 64
+#define	FRF_BB_TX_SRC_MAC_ADR_1_WIDTH 48
+#define	FRF_BB_TX_SRC_MAC_ADR_0_LBN 0
+#define	FRF_BB_TX_SRC_MAC_ADR_0_WIDTH 48
+
+/* TX_SRC_MAC_CTL_REG: Transmit MAC source address filter control */
+#define	FR_BB_TX_SRC_MAC_CTL 0x00001100
+#define	FRF_BB_TX_SRC_DROP_CTR_LBN 16
+#define	FRF_BB_TX_SRC_DROP_CTR_WIDTH 16
+#define	FRF_BB_TX_SRC_FLTR_EN_LBN 15
+#define	FRF_BB_TX_SRC_FLTR_EN_WIDTH 1
+#define	FRF_BB_TX_DROP_CTR_CLR_LBN 12
+#define	FRF_BB_TX_DROP_CTR_CLR_WIDTH 1
+#define	FRF_BB_TX_MAC_QID_SEL_LBN 0
+#define	FRF_BB_TX_MAC_QID_SEL_WIDTH 3
+
+/* XM_ADR_LO_REG: XGMAC address register low */
+#define	FR_AB_XM_ADR_LO 0x00001200
+#define	FRF_AB_XM_ADR_LO_LBN 0
+#define	FRF_AB_XM_ADR_LO_WIDTH 32
+
+/* XM_ADR_HI_REG: XGMAC address register high */
+#define	FR_AB_XM_ADR_HI 0x00001210
+#define	FRF_AB_XM_ADR_HI_LBN 0
+#define	FRF_AB_XM_ADR_HI_WIDTH 16
+
+/* XM_GLB_CFG_REG: XGMAC global configuration */
+#define	FR_AB_XM_GLB_CFG 0x00001220
+#define	FRF_AB_XM_RMTFLT_GEN_LBN 17
+#define	FRF_AB_XM_RMTFLT_GEN_WIDTH 1
+#define	FRF_AB_XM_DEBUG_MODE_LBN 16
+#define	FRF_AB_XM_DEBUG_MODE_WIDTH 1
+#define	FRF_AB_XM_RX_STAT_EN_LBN 11
+#define	FRF_AB_XM_RX_STAT_EN_WIDTH 1
+#define	FRF_AB_XM_TX_STAT_EN_LBN 10
+#define	FRF_AB_XM_TX_STAT_EN_WIDTH 1
+#define	FRF_AB_XM_RX_JUMBO_MODE_LBN 6
+#define	FRF_AB_XM_RX_JUMBO_MODE_WIDTH 1
+#define	FRF_AB_XM_WAN_MODE_LBN 5
+#define	FRF_AB_XM_WAN_MODE_WIDTH 1
+#define	FRF_AB_XM_INTCLR_MODE_LBN 3
+#define	FRF_AB_XM_INTCLR_MODE_WIDTH 1
+#define	FRF_AB_XM_CORE_RST_LBN 0
+#define	FRF_AB_XM_CORE_RST_WIDTH 1
+
+/* XM_TX_CFG_REG: XGMAC transmit configuration */
+#define	FR_AB_XM_TX_CFG 0x00001230
+#define	FRF_AB_XM_TX_PROG_LBN 24
+#define	FRF_AB_XM_TX_PROG_WIDTH 1
+#define	FRF_AB_XM_IPG_LBN 16
+#define	FRF_AB_XM_IPG_WIDTH 4
+#define	FRF_AB_XM_FCNTL_LBN 10
+#define	FRF_AB_XM_FCNTL_WIDTH 1
+#define	FRF_AB_XM_TXCRC_LBN 8
+#define	FRF_AB_XM_TXCRC_WIDTH 1
+#define	FRF_AB_XM_EDRC_LBN 6
+#define	FRF_AB_XM_EDRC_WIDTH 1
+#define	FRF_AB_XM_AUTO_PAD_LBN 5
+#define	FRF_AB_XM_AUTO_PAD_WIDTH 1
+#define	FRF_AB_XM_TX_PRMBL_LBN 2
+#define	FRF_AB_XM_TX_PRMBL_WIDTH 1
+#define	FRF_AB_XM_TXEN_LBN 1
+#define	FRF_AB_XM_TXEN_WIDTH 1
+#define	FRF_AB_XM_TX_RST_LBN 0
+#define	FRF_AB_XM_TX_RST_WIDTH 1
+
+/* XM_RX_CFG_REG: XGMAC receive configuration */
+#define	FR_AB_XM_RX_CFG 0x00001240
+#define	FRF_AB_XM_PASS_LENERR_LBN 26
+#define	FRF_AB_XM_PASS_LENERR_WIDTH 1
+#define	FRF_AB_XM_PASS_CRC_ERR_LBN 25
+#define	FRF_AB_XM_PASS_CRC_ERR_WIDTH 1
+#define	FRF_AB_XM_PASS_PRMBLE_ERR_LBN 24
+#define	FRF_AB_XM_PASS_PRMBLE_ERR_WIDTH 1
+#define	FRF_AB_XM_REJ_BCAST_LBN 20
+#define	FRF_AB_XM_REJ_BCAST_WIDTH 1
+#define	FRF_AB_XM_ACPT_ALL_MCAST_LBN 11
+#define	FRF_AB_XM_ACPT_ALL_MCAST_WIDTH 1
+#define	FRF_AB_XM_ACPT_ALL_UCAST_LBN 9
+#define	FRF_AB_XM_ACPT_ALL_UCAST_WIDTH 1
+#define	FRF_AB_XM_AUTO_DEPAD_LBN 8
+#define	FRF_AB_XM_AUTO_DEPAD_WIDTH 1
+#define	FRF_AB_XM_RXCRC_LBN 3
+#define	FRF_AB_XM_RXCRC_WIDTH 1
+#define	FRF_AB_XM_RX_PRMBL_LBN 2
+#define	FRF_AB_XM_RX_PRMBL_WIDTH 1
+#define	FRF_AB_XM_RXEN_LBN 1
+#define	FRF_AB_XM_RXEN_WIDTH 1
+#define	FRF_AB_XM_RX_RST_LBN 0
+#define	FRF_AB_XM_RX_RST_WIDTH 1
+
+/* XM_MGT_INT_MASK: documentation to be written for sum_XM_MGT_INT_MASK */
+#define	FR_AB_XM_MGT_INT_MASK 0x00001250
+#define	FRF_AB_XM_MSK_STA_INTR_LBN 16
+#define	FRF_AB_XM_MSK_STA_INTR_WIDTH 1
+#define	FRF_AB_XM_MSK_STAT_CNTR_HF_LBN 9
+#define	FRF_AB_XM_MSK_STAT_CNTR_HF_WIDTH 1
+#define	FRF_AB_XM_MSK_STAT_CNTR_OF_LBN 8
+#define	FRF_AB_XM_MSK_STAT_CNTR_OF_WIDTH 1
+#define	FRF_AB_XM_MSK_PRMBLE_ERR_LBN 2
+#define	FRF_AB_XM_MSK_PRMBLE_ERR_WIDTH 1
+#define	FRF_AB_XM_MSK_RMTFLT_LBN 1
+#define	FRF_AB_XM_MSK_RMTFLT_WIDTH 1
+#define	FRF_AB_XM_MSK_LCLFLT_LBN 0
+#define	FRF_AB_XM_MSK_LCLFLT_WIDTH 1
+
+/* XM_FC_REG: XGMAC flow control register */
+#define	FR_AB_XM_FC 0x00001270
+#define	FRF_AB_XM_PAUSE_TIME_LBN 16
+#define	FRF_AB_XM_PAUSE_TIME_WIDTH 16
+#define	FRF_AB_XM_RX_MAC_STAT_LBN 11
+#define	FRF_AB_XM_RX_MAC_STAT_WIDTH 1
+#define	FRF_AB_XM_TX_MAC_STAT_LBN 10
+#define	FRF_AB_XM_TX_MAC_STAT_WIDTH 1
+#define	FRF_AB_XM_MCNTL_PASS_LBN 8
+#define	FRF_AB_XM_MCNTL_PASS_WIDTH 2
+#define	FRF_AB_XM_REJ_CNTL_UCAST_LBN 6
+#define	FRF_AB_XM_REJ_CNTL_UCAST_WIDTH 1
+#define	FRF_AB_XM_REJ_CNTL_MCAST_LBN 5
+#define	FRF_AB_XM_REJ_CNTL_MCAST_WIDTH 1
+#define	FRF_AB_XM_ZPAUSE_LBN 2
+#define	FRF_AB_XM_ZPAUSE_WIDTH 1
+#define	FRF_AB_XM_XMIT_PAUSE_LBN 1
+#define	FRF_AB_XM_XMIT_PAUSE_WIDTH 1
+#define	FRF_AB_XM_DIS_FCNTL_LBN 0
+#define	FRF_AB_XM_DIS_FCNTL_WIDTH 1
+
+/* XM_PAUSE_TIME_REG: XGMAC pause time register */
+#define	FR_AB_XM_PAUSE_TIME 0x00001290
+#define	FRF_AB_XM_TX_PAUSE_CNT_LBN 16
+#define	FRF_AB_XM_TX_PAUSE_CNT_WIDTH 16
+#define	FRF_AB_XM_RX_PAUSE_CNT_LBN 0
+#define	FRF_AB_XM_RX_PAUSE_CNT_WIDTH 16
+
+/* XM_TX_PARAM_REG: XGMAC transmit parameter register */
+#define	FR_AB_XM_TX_PARAM 0x000012d0
+#define	FRF_AB_XM_TX_JUMBO_MODE_LBN 31
+#define	FRF_AB_XM_TX_JUMBO_MODE_WIDTH 1
+#define	FRF_AB_XM_MAX_TX_FRM_SIZE_HI_LBN 19
+#define	FRF_AB_XM_MAX_TX_FRM_SIZE_HI_WIDTH 11
+#define	FRF_AB_XM_MAX_TX_FRM_SIZE_LO_LBN 16
+#define	FRF_AB_XM_MAX_TX_FRM_SIZE_LO_WIDTH 3
+#define	FRF_AB_XM_PAD_CHAR_LBN 0
+#define	FRF_AB_XM_PAD_CHAR_WIDTH 8
+
+/* XM_RX_PARAM_REG: XGMAC receive parameter register */
+#define	FR_AB_XM_RX_PARAM 0x000012e0
+#define	FRF_AB_XM_MAX_RX_FRM_SIZE_HI_LBN 3
+#define	FRF_AB_XM_MAX_RX_FRM_SIZE_HI_WIDTH 11
+#define	FRF_AB_XM_MAX_RX_FRM_SIZE_LO_LBN 0
+#define	FRF_AB_XM_MAX_RX_FRM_SIZE_LO_WIDTH 3
+
+/* XM_MGT_INT_MSK_REG: XGMAC management interrupt mask register */
+#define	FR_AB_XM_MGT_INT_MSK 0x000012f0
+#define	FRF_AB_XM_STAT_CNTR_OF_LBN 9
+#define	FRF_AB_XM_STAT_CNTR_OF_WIDTH 1
+#define	FRF_AB_XM_STAT_CNTR_HF_LBN 8
+#define	FRF_AB_XM_STAT_CNTR_HF_WIDTH 1
+#define	FRF_AB_XM_PRMBLE_ERR_LBN 2
+#define	FRF_AB_XM_PRMBLE_ERR_WIDTH 1
+#define	FRF_AB_XM_RMTFLT_LBN 1
+#define	FRF_AB_XM_RMTFLT_WIDTH 1
+#define	FRF_AB_XM_LCLFLT_LBN 0
+#define	FRF_AB_XM_LCLFLT_WIDTH 1
+
+/* XX_PWR_RST_REG: XGXS/XAUI powerdown/reset register */
+#define	FR_AB_XX_PWR_RST 0x00001300
+#define	FRF_AB_XX_PWRDND_SIG_LBN 31
+#define	FRF_AB_XX_PWRDND_SIG_WIDTH 1
+#define	FRF_AB_XX_PWRDNC_SIG_LBN 30
+#define	FRF_AB_XX_PWRDNC_SIG_WIDTH 1
+#define	FRF_AB_XX_PWRDNB_SIG_LBN 29
+#define	FRF_AB_XX_PWRDNB_SIG_WIDTH 1
+#define	FRF_AB_XX_PWRDNA_SIG_LBN 28
+#define	FRF_AB_XX_PWRDNA_SIG_WIDTH 1
+#define	FRF_AB_XX_SIM_MODE_LBN 27
+#define	FRF_AB_XX_SIM_MODE_WIDTH 1
+#define	FRF_AB_XX_RSTPLLCD_SIG_LBN 25
+#define	FRF_AB_XX_RSTPLLCD_SIG_WIDTH 1
+#define	FRF_AB_XX_RSTPLLAB_SIG_LBN 24
+#define	FRF_AB_XX_RSTPLLAB_SIG_WIDTH 1
+#define	FRF_AB_XX_RESETD_SIG_LBN 23
+#define	FRF_AB_XX_RESETD_SIG_WIDTH 1
+#define	FRF_AB_XX_RESETC_SIG_LBN 22
+#define	FRF_AB_XX_RESETC_SIG_WIDTH 1
+#define	FRF_AB_XX_RESETB_SIG_LBN 21
+#define	FRF_AB_XX_RESETB_SIG_WIDTH 1
+#define	FRF_AB_XX_RESETA_SIG_LBN 20
+#define	FRF_AB_XX_RESETA_SIG_WIDTH 1
+#define	FRF_AB_XX_RSTXGXSRX_SIG_LBN 18
+#define	FRF_AB_XX_RSTXGXSRX_SIG_WIDTH 1
+#define	FRF_AB_XX_RSTXGXSTX_SIG_LBN 17
+#define	FRF_AB_XX_RSTXGXSTX_SIG_WIDTH 1
+#define	FRF_AB_XX_SD_RST_ACT_LBN 16
+#define	FRF_AB_XX_SD_RST_ACT_WIDTH 1
+#define	FRF_AB_XX_PWRDND_EN_LBN 15
+#define	FRF_AB_XX_PWRDND_EN_WIDTH 1
+#define	FRF_AB_XX_PWRDNC_EN_LBN 14
+#define	FRF_AB_XX_PWRDNC_EN_WIDTH 1
+#define	FRF_AB_XX_PWRDNB_EN_LBN 13
+#define	FRF_AB_XX_PWRDNB_EN_WIDTH 1
+#define	FRF_AB_XX_PWRDNA_EN_LBN 12
+#define	FRF_AB_XX_PWRDNA_EN_WIDTH 1
+#define	FRF_AB_XX_RSTPLLCD_EN_LBN 9
+#define	FRF_AB_XX_RSTPLLCD_EN_WIDTH 1
+#define	FRF_AB_XX_RSTPLLAB_EN_LBN 8
+#define	FRF_AB_XX_RSTPLLAB_EN_WIDTH 1
+#define	FRF_AB_XX_RESETD_EN_LBN 7
+#define	FRF_AB_XX_RESETD_EN_WIDTH 1
+#define	FRF_AB_XX_RESETC_EN_LBN 6
+#define	FRF_AB_XX_RESETC_EN_WIDTH 1
+#define	FRF_AB_XX_RESETB_EN_LBN 5
+#define	FRF_AB_XX_RESETB_EN_WIDTH 1
+#define	FRF_AB_XX_RESETA_EN_LBN 4
+#define	FRF_AB_XX_RESETA_EN_WIDTH 1
+#define	FRF_AB_XX_RSTXGXSRX_EN_LBN 2
+#define	FRF_AB_XX_RSTXGXSRX_EN_WIDTH 1
+#define	FRF_AB_XX_RSTXGXSTX_EN_LBN 1
+#define	FRF_AB_XX_RSTXGXSTX_EN_WIDTH 1
+#define	FRF_AB_XX_RST_XX_EN_LBN 0
+#define	FRF_AB_XX_RST_XX_EN_WIDTH 1
+
+/* XX_SD_CTL_REG: XGXS/XAUI powerdown/reset control register */
+#define	FR_AB_XX_SD_CTL 0x00001310
+#define	FRF_AB_XX_TERMADJ1_LBN 17
+#define	FRF_AB_XX_TERMADJ1_WIDTH 1
+#define	FRF_AB_XX_TERMADJ0_LBN 16
+#define	FRF_AB_XX_TERMADJ0_WIDTH 1
+#define	FRF_AB_XX_HIDRVD_LBN 15
+#define	FRF_AB_XX_HIDRVD_WIDTH 1
+#define	FRF_AB_XX_LODRVD_LBN 14
+#define	FRF_AB_XX_LODRVD_WIDTH 1
+#define	FRF_AB_XX_HIDRVC_LBN 13
+#define	FRF_AB_XX_HIDRVC_WIDTH 1
+#define	FRF_AB_XX_LODRVC_LBN 12
+#define	FRF_AB_XX_LODRVC_WIDTH 1
+#define	FRF_AB_XX_HIDRVB_LBN 11
+#define	FRF_AB_XX_HIDRVB_WIDTH 1
+#define	FRF_AB_XX_LODRVB_LBN 10
+#define	FRF_AB_XX_LODRVB_WIDTH 1
+#define	FRF_AB_XX_HIDRVA_LBN 9
+#define	FRF_AB_XX_HIDRVA_WIDTH 1
+#define	FRF_AB_XX_LODRVA_LBN 8
+#define	FRF_AB_XX_LODRVA_WIDTH 1
+#define	FRF_AB_XX_LPBKD_LBN 3
+#define	FRF_AB_XX_LPBKD_WIDTH 1
+#define	FRF_AB_XX_LPBKC_LBN 2
+#define	FRF_AB_XX_LPBKC_WIDTH 1
+#define	FRF_AB_XX_LPBKB_LBN 1
+#define	FRF_AB_XX_LPBKB_WIDTH 1
+#define	FRF_AB_XX_LPBKA_LBN 0
+#define	FRF_AB_XX_LPBKA_WIDTH 1
+
+/* XX_TXDRV_CTL_REG: XAUI SerDes transmit drive control register */
+#define	FR_AB_XX_TXDRV_CTL 0x00001320
+#define	FRF_AB_XX_DEQD_LBN 28
+#define	FRF_AB_XX_DEQD_WIDTH 4
+#define	FRF_AB_XX_DEQC_LBN 24
+#define	FRF_AB_XX_DEQC_WIDTH 4
+#define	FRF_AB_XX_DEQB_LBN 20
+#define	FRF_AB_XX_DEQB_WIDTH 4
+#define	FRF_AB_XX_DEQA_LBN 16
+#define	FRF_AB_XX_DEQA_WIDTH 4
+#define	FRF_AB_XX_DTXD_LBN 12
+#define	FRF_AB_XX_DTXD_WIDTH 4
+#define	FRF_AB_XX_DTXC_LBN 8
+#define	FRF_AB_XX_DTXC_WIDTH 4
+#define	FRF_AB_XX_DTXB_LBN 4
+#define	FRF_AB_XX_DTXB_WIDTH 4
+#define	FRF_AB_XX_DTXA_LBN 0
+#define	FRF_AB_XX_DTXA_WIDTH 4
+
+/* XX_PRBS_CTL_REG: documentation to be written for sum_XX_PRBS_CTL_REG */
+#define	FR_AB_XX_PRBS_CTL 0x00001330
+#define	FRF_AB_XX_CH3_RX_PRBS_SEL_LBN 30
+#define	FRF_AB_XX_CH3_RX_PRBS_SEL_WIDTH 2
+#define	FRF_AB_XX_CH3_RX_PRBS_INV_LBN 29
+#define	FRF_AB_XX_CH3_RX_PRBS_INV_WIDTH 1
+#define	FRF_AB_XX_CH3_RX_PRBS_CHKEN_LBN 28
+#define	FRF_AB_XX_CH3_RX_PRBS_CHKEN_WIDTH 1
+#define	FRF_AB_XX_CH2_RX_PRBS_SEL_LBN 26
+#define	FRF_AB_XX_CH2_RX_PRBS_SEL_WIDTH 2
+#define	FRF_AB_XX_CH2_RX_PRBS_INV_LBN 25
+#define	FRF_AB_XX_CH2_RX_PRBS_INV_WIDTH 1
+#define	FRF_AB_XX_CH2_RX_PRBS_CHKEN_LBN 24
+#define	FRF_AB_XX_CH2_RX_PRBS_CHKEN_WIDTH 1
+#define	FRF_AB_XX_CH1_RX_PRBS_SEL_LBN 22
+#define	FRF_AB_XX_CH1_RX_PRBS_SEL_WIDTH 2
+#define	FRF_AB_XX_CH1_RX_PRBS_INV_LBN 21
+#define	FRF_AB_XX_CH1_RX_PRBS_INV_WIDTH 1
+#define	FRF_AB_XX_CH1_RX_PRBS_CHKEN_LBN 20
+#define	FRF_AB_XX_CH1_RX_PRBS_CHKEN_WIDTH 1
+#define	FRF_AB_XX_CH0_RX_PRBS_SEL_LBN 18
+#define	FRF_AB_XX_CH0_RX_PRBS_SEL_WIDTH 2
+#define	FRF_AB_XX_CH0_RX_PRBS_INV_LBN 17
+#define	FRF_AB_XX_CH0_RX_PRBS_INV_WIDTH 1
+#define	FRF_AB_XX_CH0_RX_PRBS_CHKEN_LBN 16
+#define	FRF_AB_XX_CH0_RX_PRBS_CHKEN_WIDTH 1
+#define	FRF_AB_XX_CH3_TX_PRBS_SEL_LBN 14
+#define	FRF_AB_XX_CH3_TX_PRBS_SEL_WIDTH 2
+#define	FRF_AB_XX_CH3_TX_PRBS_INV_LBN 13
+#define	FRF_AB_XX_CH3_TX_PRBS_INV_WIDTH 1
+#define	FRF_AB_XX_CH3_TX_PRBS_CHKEN_LBN 12
+#define	FRF_AB_XX_CH3_TX_PRBS_CHKEN_WIDTH 1
+#define	FRF_AB_XX_CH2_TX_PRBS_SEL_LBN 10
+#define	FRF_AB_XX_CH2_TX_PRBS_SEL_WIDTH 2
+#define	FRF_AB_XX_CH2_TX_PRBS_INV_LBN 9
+#define	FRF_AB_XX_CH2_TX_PRBS_INV_WIDTH 1
+#define	FRF_AB_XX_CH2_TX_PRBS_CHKEN_LBN 8
+#define	FRF_AB_XX_CH2_TX_PRBS_CHKEN_WIDTH 1
+#define	FRF_AB_XX_CH1_TX_PRBS_SEL_LBN 6
+#define	FRF_AB_XX_CH1_TX_PRBS_SEL_WIDTH 2
+#define	FRF_AB_XX_CH1_TX_PRBS_INV_LBN 5
+#define	FRF_AB_XX_CH1_TX_PRBS_INV_WIDTH 1
+#define	FRF_AB_XX_CH1_TX_PRBS_CHKEN_LBN 4
+#define	FRF_AB_XX_CH1_TX_PRBS_CHKEN_WIDTH 1
+#define	FRF_AB_XX_CH0_TX_PRBS_SEL_LBN 2
+#define	FRF_AB_XX_CH0_TX_PRBS_SEL_WIDTH 2
+#define	FRF_AB_XX_CH0_TX_PRBS_INV_LBN 1
+#define	FRF_AB_XX_CH0_TX_PRBS_INV_WIDTH 1
+#define	FRF_AB_XX_CH0_TX_PRBS_CHKEN_LBN 0
+#define	FRF_AB_XX_CH0_TX_PRBS_CHKEN_WIDTH 1
+
+/* XX_PRBS_CHK_REG: documentation to be written for sum_XX_PRBS_CHK_REG */
+#define	FR_AB_XX_PRBS_CHK 0x00001340
+#define	FRF_AB_XX_REV_LB_EN_LBN 16
+#define	FRF_AB_XX_REV_LB_EN_WIDTH 1
+#define	FRF_AB_XX_CH3_DEG_DET_LBN 15
+#define	FRF_AB_XX_CH3_DEG_DET_WIDTH 1
+#define	FRF_AB_XX_CH3_LFSR_LOCK_IND_LBN 14
+#define	FRF_AB_XX_CH3_LFSR_LOCK_IND_WIDTH 1
+#define	FRF_AB_XX_CH3_PRBS_FRUN_LBN 13
+#define	FRF_AB_XX_CH3_PRBS_FRUN_WIDTH 1
+#define	FRF_AB_XX_CH3_ERR_CHK_LBN 12
+#define	FRF_AB_XX_CH3_ERR_CHK_WIDTH 1
+#define	FRF_AB_XX_CH2_DEG_DET_LBN 11
+#define	FRF_AB_XX_CH2_DEG_DET_WIDTH 1
+#define	FRF_AB_XX_CH2_LFSR_LOCK_IND_LBN 10
+#define	FRF_AB_XX_CH2_LFSR_LOCK_IND_WIDTH 1
+#define	FRF_AB_XX_CH2_PRBS_FRUN_LBN 9
+#define	FRF_AB_XX_CH2_PRBS_FRUN_WIDTH 1
+#define	FRF_AB_XX_CH2_ERR_CHK_LBN 8
+#define	FRF_AB_XX_CH2_ERR_CHK_WIDTH 1
+#define	FRF_AB_XX_CH1_DEG_DET_LBN 7
+#define	FRF_AB_XX_CH1_DEG_DET_WIDTH 1
+#define	FRF_AB_XX_CH1_LFSR_LOCK_IND_LBN 6
+#define	FRF_AB_XX_CH1_LFSR_LOCK_IND_WIDTH 1
+#define	FRF_AB_XX_CH1_PRBS_FRUN_LBN 5
+#define	FRF_AB_XX_CH1_PRBS_FRUN_WIDTH 1
+#define	FRF_AB_XX_CH1_ERR_CHK_LBN 4
+#define	FRF_AB_XX_CH1_ERR_CHK_WIDTH 1
+#define	FRF_AB_XX_CH0_DEG_DET_LBN 3
+#define	FRF_AB_XX_CH0_DEG_DET_WIDTH 1
+#define	FRF_AB_XX_CH0_LFSR_LOCK_IND_LBN 2
+#define	FRF_AB_XX_CH0_LFSR_LOCK_IND_WIDTH 1
+#define	FRF_AB_XX_CH0_PRBS_FRUN_LBN 1
+#define	FRF_AB_XX_CH0_PRBS_FRUN_WIDTH 1
+#define	FRF_AB_XX_CH0_ERR_CHK_LBN 0
+#define	FRF_AB_XX_CH0_ERR_CHK_WIDTH 1
+
+/* XX_PRBS_ERR_REG: documentation to be written for sum_XX_PRBS_ERR_REG */
+#define	FR_AB_XX_PRBS_ERR 0x00001350
+#define	FRF_AB_XX_CH3_PRBS_ERR_CNT_LBN 24
+#define	FRF_AB_XX_CH3_PRBS_ERR_CNT_WIDTH 8
+#define	FRF_AB_XX_CH2_PRBS_ERR_CNT_LBN 16
+#define	FRF_AB_XX_CH2_PRBS_ERR_CNT_WIDTH 8
+#define	FRF_AB_XX_CH1_PRBS_ERR_CNT_LBN 8
+#define	FRF_AB_XX_CH1_PRBS_ERR_CNT_WIDTH 8
+#define	FRF_AB_XX_CH0_PRBS_ERR_CNT_LBN 0
+#define	FRF_AB_XX_CH0_PRBS_ERR_CNT_WIDTH 8
+
+/* XX_CORE_STAT_REG: XAUI XGXS core status register */
+#define	FR_AB_XX_CORE_STAT 0x00001360
+#define	FRF_AB_XX_FORCE_SIG3_LBN 31
+#define	FRF_AB_XX_FORCE_SIG3_WIDTH 1
+#define	FRF_AB_XX_FORCE_SIG3_VAL_LBN 30
+#define	FRF_AB_XX_FORCE_SIG3_VAL_WIDTH 1
+#define	FRF_AB_XX_FORCE_SIG2_LBN 29
+#define	FRF_AB_XX_FORCE_SIG2_WIDTH 1
+#define	FRF_AB_XX_FORCE_SIG2_VAL_LBN 28
+#define	FRF_AB_XX_FORCE_SIG2_VAL_WIDTH 1
+#define	FRF_AB_XX_FORCE_SIG1_LBN 27
+#define	FRF_AB_XX_FORCE_SIG1_WIDTH 1
+#define	FRF_AB_XX_FORCE_SIG1_VAL_LBN 26
+#define	FRF_AB_XX_FORCE_SIG1_VAL_WIDTH 1
+#define	FRF_AB_XX_FORCE_SIG0_LBN 25
+#define	FRF_AB_XX_FORCE_SIG0_WIDTH 1
+#define	FRF_AB_XX_FORCE_SIG0_VAL_LBN 24
+#define	FRF_AB_XX_FORCE_SIG0_VAL_WIDTH 1
+#define	FRF_AB_XX_XGXS_LB_EN_LBN 23
+#define	FRF_AB_XX_XGXS_LB_EN_WIDTH 1
+#define	FRF_AB_XX_XGMII_LB_EN_LBN 22
+#define	FRF_AB_XX_XGMII_LB_EN_WIDTH 1
+#define	FRF_AB_XX_MATCH_FAULT_LBN 21
+#define	FRF_AB_XX_MATCH_FAULT_WIDTH 1
+#define	FRF_AB_XX_ALIGN_DONE_LBN 20
+#define	FRF_AB_XX_ALIGN_DONE_WIDTH 1
+#define	FRF_AB_XX_SYNC_STAT3_LBN 19
+#define	FRF_AB_XX_SYNC_STAT3_WIDTH 1
+#define	FRF_AB_XX_SYNC_STAT2_LBN 18
+#define	FRF_AB_XX_SYNC_STAT2_WIDTH 1
+#define	FRF_AB_XX_SYNC_STAT1_LBN 17
+#define	FRF_AB_XX_SYNC_STAT1_WIDTH 1
+#define	FRF_AB_XX_SYNC_STAT0_LBN 16
+#define	FRF_AB_XX_SYNC_STAT0_WIDTH 1
+#define	FRF_AB_XX_COMMA_DET_CH3_LBN 15
+#define	FRF_AB_XX_COMMA_DET_CH3_WIDTH 1
+#define	FRF_AB_XX_COMMA_DET_CH2_LBN 14
+#define	FRF_AB_XX_COMMA_DET_CH2_WIDTH 1
+#define	FRF_AB_XX_COMMA_DET_CH1_LBN 13
+#define	FRF_AB_XX_COMMA_DET_CH1_WIDTH 1
+#define	FRF_AB_XX_COMMA_DET_CH0_LBN 12
+#define	FRF_AB_XX_COMMA_DET_CH0_WIDTH 1
+#define	FRF_AB_XX_CGRP_ALIGN_CH3_LBN 11
+#define	FRF_AB_XX_CGRP_ALIGN_CH3_WIDTH 1
+#define	FRF_AB_XX_CGRP_ALIGN_CH2_LBN 10
+#define	FRF_AB_XX_CGRP_ALIGN_CH2_WIDTH 1
+#define	FRF_AB_XX_CGRP_ALIGN_CH1_LBN 9
+#define	FRF_AB_XX_CGRP_ALIGN_CH1_WIDTH 1
+#define	FRF_AB_XX_CGRP_ALIGN_CH0_LBN 8
+#define	FRF_AB_XX_CGRP_ALIGN_CH0_WIDTH 1
+#define	FRF_AB_XX_CHAR_ERR_CH3_LBN 7
+#define	FRF_AB_XX_CHAR_ERR_CH3_WIDTH 1
+#define	FRF_AB_XX_CHAR_ERR_CH2_LBN 6
+#define	FRF_AB_XX_CHAR_ERR_CH2_WIDTH 1
+#define	FRF_AB_XX_CHAR_ERR_CH1_LBN 5
+#define	FRF_AB_XX_CHAR_ERR_CH1_WIDTH 1
+#define	FRF_AB_XX_CHAR_ERR_CH0_LBN 4
+#define	FRF_AB_XX_CHAR_ERR_CH0_WIDTH 1
+#define	FRF_AB_XX_DISPERR_CH3_LBN 3
+#define	FRF_AB_XX_DISPERR_CH3_WIDTH 1
+#define	FRF_AB_XX_DISPERR_CH2_LBN 2
+#define	FRF_AB_XX_DISPERR_CH2_WIDTH 1
+#define	FRF_AB_XX_DISPERR_CH1_LBN 1
+#define	FRF_AB_XX_DISPERR_CH1_WIDTH 1
+#define	FRF_AB_XX_DISPERR_CH0_LBN 0
+#define	FRF_AB_XX_DISPERR_CH0_WIDTH 1
+
+/* RX_DESC_PTR_TBL_KER: Receive descriptor pointer table */
+#define	FR_AA_RX_DESC_PTR_TBL_KER 0x00011800
+#define	FR_AA_RX_DESC_PTR_TBL_KER_STEP 16
+#define	FR_AA_RX_DESC_PTR_TBL_KER_ROWS 4
+/* RX_DESC_PTR_TBL: Receive descriptor pointer table */
+#define	FR_BZ_RX_DESC_PTR_TBL 0x00f40000
+#define	FR_BZ_RX_DESC_PTR_TBL_STEP 16
+#define	FR_BB_RX_DESC_PTR_TBL_ROWS 4096
+#define	FR_CZ_RX_DESC_PTR_TBL_ROWS 1024
+#define	FRF_CZ_RX_HDR_SPLIT_LBN 90
+#define	FRF_CZ_RX_HDR_SPLIT_WIDTH 1
+#define	FRF_AA_RX_RESET_LBN 89
+#define	FRF_AA_RX_RESET_WIDTH 1
+#define	FRF_AZ_RX_ISCSI_DDIG_EN_LBN 88
+#define	FRF_AZ_RX_ISCSI_DDIG_EN_WIDTH 1
+#define	FRF_AZ_RX_ISCSI_HDIG_EN_LBN 87
+#define	FRF_AZ_RX_ISCSI_HDIG_EN_WIDTH 1
+#define	FRF_AZ_RX_DESC_PREF_ACT_LBN 86
+#define	FRF_AZ_RX_DESC_PREF_ACT_WIDTH 1
+#define	FRF_AZ_RX_DC_HW_RPTR_LBN 80
+#define	FRF_AZ_RX_DC_HW_RPTR_WIDTH 6
+#define	FRF_AZ_RX_DESCQ_HW_RPTR_LBN 68
+#define	FRF_AZ_RX_DESCQ_HW_RPTR_WIDTH 12
+#define	FRF_AZ_RX_DESCQ_SW_WPTR_LBN 56
+#define	FRF_AZ_RX_DESCQ_SW_WPTR_WIDTH 12
+#define	FRF_AZ_RX_DESCQ_BUF_BASE_ID_LBN 36
+#define	FRF_AZ_RX_DESCQ_BUF_BASE_ID_WIDTH 20
+#define	FRF_AZ_RX_DESCQ_EVQ_ID_LBN 24
+#define	FRF_AZ_RX_DESCQ_EVQ_ID_WIDTH 12
+#define	FRF_AZ_RX_DESCQ_OWNER_ID_LBN 10
+#define	FRF_AZ_RX_DESCQ_OWNER_ID_WIDTH 14
+#define	FRF_AZ_RX_DESCQ_LABEL_LBN 5
+#define	FRF_AZ_RX_DESCQ_LABEL_WIDTH 5
+#define	FRF_AZ_RX_DESCQ_SIZE_LBN 3
+#define	FRF_AZ_RX_DESCQ_SIZE_WIDTH 2
+#define	FFE_AZ_RX_DESCQ_SIZE_4K 3
+#define	FFE_AZ_RX_DESCQ_SIZE_2K 2
+#define	FFE_AZ_RX_DESCQ_SIZE_1K 1
+#define	FFE_AZ_RX_DESCQ_SIZE_512 0
+#define	FRF_AZ_RX_DESCQ_TYPE_LBN 2
+#define	FRF_AZ_RX_DESCQ_TYPE_WIDTH 1
+#define	FRF_AZ_RX_DESCQ_JUMBO_LBN 1
+#define	FRF_AZ_RX_DESCQ_JUMBO_WIDTH 1
+#define	FRF_AZ_RX_DESCQ_EN_LBN 0
+#define	FRF_AZ_RX_DESCQ_EN_WIDTH 1
+
+/* TX_DESC_PTR_TBL_KER: Transmit descriptor pointer */
+#define	FR_AA_TX_DESC_PTR_TBL_KER 0x00011900
+#define	FR_AA_TX_DESC_PTR_TBL_KER_STEP 16
+#define	FR_AA_TX_DESC_PTR_TBL_KER_ROWS 8
+/* TX_DESC_PTR_TBL: Transmit descriptor pointer */
+#define	FR_BZ_TX_DESC_PTR_TBL 0x00f50000
+#define	FR_BZ_TX_DESC_PTR_TBL_STEP 16
+#define	FR_BB_TX_DESC_PTR_TBL_ROWS 4096
+#define	FR_CZ_TX_DESC_PTR_TBL_ROWS 1024
+#define	FRF_CZ_TX_DPT_Q_MASK_WIDTH_LBN 94
+#define	FRF_CZ_TX_DPT_Q_MASK_WIDTH_WIDTH 2
+#define	FRF_CZ_TX_DPT_ETH_FILT_EN_LBN 93
+#define	FRF_CZ_TX_DPT_ETH_FILT_EN_WIDTH 1
+#define	FRF_CZ_TX_DPT_IP_FILT_EN_LBN 92
+#define	FRF_CZ_TX_DPT_IP_FILT_EN_WIDTH 1
+#define	FRF_BZ_TX_NON_IP_DROP_DIS_LBN 91
+#define	FRF_BZ_TX_NON_IP_DROP_DIS_WIDTH 1
+#define	FRF_BZ_TX_IP_CHKSM_DIS_LBN 90
+#define	FRF_BZ_TX_IP_CHKSM_DIS_WIDTH 1
+#define	FRF_BZ_TX_TCP_CHKSM_DIS_LBN 89
+#define	FRF_BZ_TX_TCP_CHKSM_DIS_WIDTH 1
+#define	FRF_AZ_TX_DESCQ_EN_LBN 88
+#define	FRF_AZ_TX_DESCQ_EN_WIDTH 1
+#define	FRF_AZ_TX_ISCSI_DDIG_EN_LBN 87
+#define	FRF_AZ_TX_ISCSI_DDIG_EN_WIDTH 1
+#define	FRF_AZ_TX_ISCSI_HDIG_EN_LBN 86
+#define	FRF_AZ_TX_ISCSI_HDIG_EN_WIDTH 1
+#define	FRF_AZ_TX_DC_HW_RPTR_LBN 80
+#define	FRF_AZ_TX_DC_HW_RPTR_WIDTH 6
+#define	FRF_AZ_TX_DESCQ_HW_RPTR_LBN 68
+#define	FRF_AZ_TX_DESCQ_HW_RPTR_WIDTH 12
+#define	FRF_AZ_TX_DESCQ_SW_WPTR_LBN 56
+#define	FRF_AZ_TX_DESCQ_SW_WPTR_WIDTH 12
+#define	FRF_AZ_TX_DESCQ_BUF_BASE_ID_LBN 36
+#define	FRF_AZ_TX_DESCQ_BUF_BASE_ID_WIDTH 20
+#define	FRF_AZ_TX_DESCQ_EVQ_ID_LBN 24
+#define	FRF_AZ_TX_DESCQ_EVQ_ID_WIDTH 12
+#define	FRF_AZ_TX_DESCQ_OWNER_ID_LBN 10
+#define	FRF_AZ_TX_DESCQ_OWNER_ID_WIDTH 14
+#define	FRF_AZ_TX_DESCQ_LABEL_LBN 5
+#define	FRF_AZ_TX_DESCQ_LABEL_WIDTH 5
+#define	FRF_AZ_TX_DESCQ_SIZE_LBN 3
+#define	FRF_AZ_TX_DESCQ_SIZE_WIDTH 2
+#define	FFE_AZ_TX_DESCQ_SIZE_4K 3
+#define	FFE_AZ_TX_DESCQ_SIZE_2K 2
+#define	FFE_AZ_TX_DESCQ_SIZE_1K 1
+#define	FFE_AZ_TX_DESCQ_SIZE_512 0
+#define	FRF_AZ_TX_DESCQ_TYPE_LBN 1
+#define	FRF_AZ_TX_DESCQ_TYPE_WIDTH 2
+#define	FRF_AZ_TX_DESCQ_FLUSH_LBN 0
+#define	FRF_AZ_TX_DESCQ_FLUSH_WIDTH 1
+
+/* EVQ_PTR_TBL_KER: Event queue pointer table */
+#define	FR_AA_EVQ_PTR_TBL_KER 0x00011a00
+#define	FR_AA_EVQ_PTR_TBL_KER_STEP 16
+#define	FR_AA_EVQ_PTR_TBL_KER_ROWS 4
+/* EVQ_PTR_TBL: Event queue pointer table */
+#define	FR_BZ_EVQ_PTR_TBL 0x00f60000
+#define	FR_BZ_EVQ_PTR_TBL_STEP 16
+#define	FR_CZ_EVQ_PTR_TBL_ROWS 1024
+#define	FR_BB_EVQ_PTR_TBL_ROWS 4096
+#define	FRF_BZ_EVQ_RPTR_IGN_LBN 40
+#define	FRF_BZ_EVQ_RPTR_IGN_WIDTH 1
+#define	FRF_AB_EVQ_WKUP_OR_INT_EN_LBN 39
+#define	FRF_AB_EVQ_WKUP_OR_INT_EN_WIDTH 1
+#define	FRF_CZ_EVQ_DOS_PROTECT_EN_LBN 39
+#define	FRF_CZ_EVQ_DOS_PROTECT_EN_WIDTH 1
+#define	FRF_AZ_EVQ_NXT_WPTR_LBN 24
+#define	FRF_AZ_EVQ_NXT_WPTR_WIDTH 15
+#define	FRF_AZ_EVQ_EN_LBN 23
+#define	FRF_AZ_EVQ_EN_WIDTH 1
+#define	FRF_AZ_EVQ_SIZE_LBN 20
+#define	FRF_AZ_EVQ_SIZE_WIDTH 3
+#define	FFE_AZ_EVQ_SIZE_32K 6
+#define	FFE_AZ_EVQ_SIZE_16K 5
+#define	FFE_AZ_EVQ_SIZE_8K 4
+#define	FFE_AZ_EVQ_SIZE_4K 3
+#define	FFE_AZ_EVQ_SIZE_2K 2
+#define	FFE_AZ_EVQ_SIZE_1K 1
+#define	FFE_AZ_EVQ_SIZE_512 0
+#define	FRF_AZ_EVQ_BUF_BASE_ID_LBN 0
+#define	FRF_AZ_EVQ_BUF_BASE_ID_WIDTH 20
+
+/* BUF_HALF_TBL_KER: Buffer table in half buffer table mode direct access by driver */
+#define	FR_AA_BUF_HALF_TBL_KER 0x00018000
+#define	FR_AA_BUF_HALF_TBL_KER_STEP 8
+#define	FR_AA_BUF_HALF_TBL_KER_ROWS 4096
+/* BUF_HALF_TBL: Buffer table in half buffer table mode direct access by driver */
+#define	FR_BZ_BUF_HALF_TBL 0x00800000
+#define	FR_BZ_BUF_HALF_TBL_STEP 8
+#define	FR_CZ_BUF_HALF_TBL_ROWS 147456
+#define	FR_BB_BUF_HALF_TBL_ROWS 524288
+#define	FRF_AZ_BUF_ADR_HBUF_ODD_LBN 44
+#define	FRF_AZ_BUF_ADR_HBUF_ODD_WIDTH 20
+#define	FRF_AZ_BUF_OWNER_ID_HBUF_ODD_LBN 32
+#define	FRF_AZ_BUF_OWNER_ID_HBUF_ODD_WIDTH 12
+#define	FRF_AZ_BUF_ADR_HBUF_EVEN_LBN 12
+#define	FRF_AZ_BUF_ADR_HBUF_EVEN_WIDTH 20
+#define	FRF_AZ_BUF_OWNER_ID_HBUF_EVEN_LBN 0
+#define	FRF_AZ_BUF_OWNER_ID_HBUF_EVEN_WIDTH 12
+
+/* BUF_FULL_TBL_KER: Buffer table in full buffer table mode direct access by driver */
+#define	FR_AA_BUF_FULL_TBL_KER 0x00018000
+#define	FR_AA_BUF_FULL_TBL_KER_STEP 8
+#define	FR_AA_BUF_FULL_TBL_KER_ROWS 4096
+/* BUF_FULL_TBL: Buffer table in full buffer table mode direct access by driver */
+#define	FR_BZ_BUF_FULL_TBL 0x00800000
+#define	FR_BZ_BUF_FULL_TBL_STEP 8
+#define	FR_CZ_BUF_FULL_TBL_ROWS 147456
+#define	FR_BB_BUF_FULL_TBL_ROWS 917504
+#define	FRF_AZ_BUF_FULL_UNUSED_LBN 51
+#define	FRF_AZ_BUF_FULL_UNUSED_WIDTH 13
+#define	FRF_AZ_IP_DAT_BUF_SIZE_LBN 50
+#define	FRF_AZ_IP_DAT_BUF_SIZE_WIDTH 1
+#define	FRF_AZ_BUF_ADR_REGION_LBN 48
+#define	FRF_AZ_BUF_ADR_REGION_WIDTH 2
+#define	FFE_AZ_BUF_ADR_REGN3 3
+#define	FFE_AZ_BUF_ADR_REGN2 2
+#define	FFE_AZ_BUF_ADR_REGN1 1
+#define	FFE_AZ_BUF_ADR_REGN0 0
+#define	FRF_AZ_BUF_ADR_FBUF_LBN 14
+#define	FRF_AZ_BUF_ADR_FBUF_WIDTH 34
+#define	FRF_AZ_BUF_OWNER_ID_FBUF_LBN 0
+#define	FRF_AZ_BUF_OWNER_ID_FBUF_WIDTH 14
+
+/* RX_FILTER_TBL0: TCP/IPv4 Receive filter table */
+#define	FR_BZ_RX_FILTER_TBL0 0x00f00000
+#define	FR_BZ_RX_FILTER_TBL0_STEP 32
+#define	FR_BZ_RX_FILTER_TBL0_ROWS 8192
+/* RX_FILTER_TBL1: TCP/IPv4 Receive filter table */
+#define	FR_BB_RX_FILTER_TBL1 0x00f00010
+#define	FR_BB_RX_FILTER_TBL1_STEP 32
+#define	FR_BB_RX_FILTER_TBL1_ROWS 8192
+#define	FRF_BZ_RSS_EN_LBN 110
+#define	FRF_BZ_RSS_EN_WIDTH 1
+#define	FRF_BZ_SCATTER_EN_LBN 109
+#define	FRF_BZ_SCATTER_EN_WIDTH 1
+#define	FRF_BZ_TCP_UDP_LBN 108
+#define	FRF_BZ_TCP_UDP_WIDTH 1
+#define	FRF_BZ_RXQ_ID_LBN 96
+#define	FRF_BZ_RXQ_ID_WIDTH 12
+#define	FRF_BZ_DEST_IP_LBN 64
+#define	FRF_BZ_DEST_IP_WIDTH 32
+#define	FRF_BZ_DEST_PORT_TCP_LBN 48
+#define	FRF_BZ_DEST_PORT_TCP_WIDTH 16
+#define	FRF_BZ_SRC_IP_LBN 16
+#define	FRF_BZ_SRC_IP_WIDTH 32
+#define	FRF_BZ_SRC_TCP_DEST_UDP_LBN 0
+#define	FRF_BZ_SRC_TCP_DEST_UDP_WIDTH 16
+
+/* RX_MAC_FILTER_TBL0: Receive Ethernet filter table */
+#define	FR_CZ_RX_MAC_FILTER_TBL0 0x00f00010
+#define	FR_CZ_RX_MAC_FILTER_TBL0_STEP 32
+#define	FR_CZ_RX_MAC_FILTER_TBL0_ROWS 512
+#define	FRF_CZ_RMFT_RSS_EN_LBN 75
+#define	FRF_CZ_RMFT_RSS_EN_WIDTH 1
+#define	FRF_CZ_RMFT_SCATTER_EN_LBN 74
+#define	FRF_CZ_RMFT_SCATTER_EN_WIDTH 1
+#define	FRF_CZ_RMFT_IP_OVERRIDE_LBN 73
+#define	FRF_CZ_RMFT_IP_OVERRIDE_WIDTH 1
+#define	FRF_CZ_RMFT_RXQ_ID_LBN 61
+#define	FRF_CZ_RMFT_RXQ_ID_WIDTH 12
+#define	FRF_CZ_RMFT_WILDCARD_MATCH_LBN 60
+#define	FRF_CZ_RMFT_WILDCARD_MATCH_WIDTH 1
+#define	FRF_CZ_RMFT_DEST_MAC_LBN 16
+#define	FRF_CZ_RMFT_DEST_MAC_WIDTH 44
+#define	FRF_CZ_RMFT_VLAN_ID_LBN 0
+#define	FRF_CZ_RMFT_VLAN_ID_WIDTH 12
+
+/* TIMER_TBL: Timer table */
+#define	FR_BZ_TIMER_TBL 0x00f70000
+#define	FR_BZ_TIMER_TBL_STEP 16
+#define	FR_CZ_TIMER_TBL_ROWS 1024
+#define	FR_BB_TIMER_TBL_ROWS 4096
+#define	FRF_CZ_TIMER_Q_EN_LBN 33
+#define	FRF_CZ_TIMER_Q_EN_WIDTH 1
+#define	FRF_CZ_INT_ARMD_LBN 32
+#define	FRF_CZ_INT_ARMD_WIDTH 1
+#define	FRF_CZ_INT_PEND_LBN 31
+#define	FRF_CZ_INT_PEND_WIDTH 1
+#define	FRF_CZ_HOST_NOTIFY_MODE_LBN 30
+#define	FRF_CZ_HOST_NOTIFY_MODE_WIDTH 1
+#define	FRF_CZ_RELOAD_TIMER_VAL_LBN 16
+#define	FRF_CZ_RELOAD_TIMER_VAL_WIDTH 14
+#define	FRF_CZ_TIMER_MODE_LBN 14
+#define	FRF_CZ_TIMER_MODE_WIDTH 2
+#define	FFE_CZ_TIMER_MODE_INT_HLDOFF 3
+#define	FFE_CZ_TIMER_MODE_TRIG_START 2
+#define	FFE_CZ_TIMER_MODE_IMMED_START 1
+#define	FFE_CZ_TIMER_MODE_DIS 0
+#define	FRF_BB_TIMER_MODE_LBN 12
+#define	FRF_BB_TIMER_MODE_WIDTH 2
+#define	FFE_BB_TIMER_MODE_INT_HLDOFF 2
+#define	FFE_BB_TIMER_MODE_TRIG_START 2
+#define	FFE_BB_TIMER_MODE_IMMED_START 1
+#define	FFE_BB_TIMER_MODE_DIS 0
+#define	FRF_CZ_TIMER_VAL_LBN 0
+#define	FRF_CZ_TIMER_VAL_WIDTH 14
+#define	FRF_BB_TIMER_VAL_LBN 0
+#define	FRF_BB_TIMER_VAL_WIDTH 12
+
+/* TX_PACE_TBL: Transmit pacing table */
+#define	FR_BZ_TX_PACE_TBL 0x00f80000
+#define	FR_BZ_TX_PACE_TBL_STEP 16
+#define	FR_CZ_TX_PACE_TBL_ROWS 1024
+#define	FR_BB_TX_PACE_TBL_ROWS 4096
+#define	FRF_BZ_TX_PACE_LBN 0
+#define	FRF_BZ_TX_PACE_WIDTH 5
+
+/* RX_INDIRECTION_TBL: RX Indirection Table */
+#define	FR_BZ_RX_INDIRECTION_TBL 0x00fb0000
+#define	FR_BZ_RX_INDIRECTION_TBL_STEP 16
+#define	FR_BZ_RX_INDIRECTION_TBL_ROWS 128
+#define	FRF_BZ_IT_QUEUE_LBN 0
+#define	FRF_BZ_IT_QUEUE_WIDTH 6
+
+/* TX_FILTER_TBL0: TCP/IPv4 Transmit filter table */
+#define	FR_CZ_TX_FILTER_TBL0 0x00fc0000
+#define	FR_CZ_TX_FILTER_TBL0_STEP 16
+#define	FR_CZ_TX_FILTER_TBL0_ROWS 8192
+#define	FRF_CZ_TIFT_TCP_UDP_LBN 108
+#define	FRF_CZ_TIFT_TCP_UDP_WIDTH 1
+#define	FRF_CZ_TIFT_TXQ_ID_LBN 96
+#define	FRF_CZ_TIFT_TXQ_ID_WIDTH 12
+#define	FRF_CZ_TIFT_DEST_IP_LBN 64
+#define	FRF_CZ_TIFT_DEST_IP_WIDTH 32
+#define	FRF_CZ_TIFT_DEST_PORT_TCP_LBN 48
+#define	FRF_CZ_TIFT_DEST_PORT_TCP_WIDTH 16
+#define	FRF_CZ_TIFT_SRC_IP_LBN 16
+#define	FRF_CZ_TIFT_SRC_IP_WIDTH 32
+#define	FRF_CZ_TIFT_SRC_TCP_DEST_UDP_LBN 0
+#define	FRF_CZ_TIFT_SRC_TCP_DEST_UDP_WIDTH 16
+
+/* TX_MAC_FILTER_TBL0: Transmit Ethernet filter table */
+#define	FR_CZ_TX_MAC_FILTER_TBL0 0x00fe0000
+#define	FR_CZ_TX_MAC_FILTER_TBL0_STEP 16
+#define	FR_CZ_TX_MAC_FILTER_TBL0_ROWS 512
+#define	FRF_CZ_TMFT_TXQ_ID_LBN 61
+#define	FRF_CZ_TMFT_TXQ_ID_WIDTH 12
+#define	FRF_CZ_TMFT_WILDCARD_MATCH_LBN 60
+#define	FRF_CZ_TMFT_WILDCARD_MATCH_WIDTH 1
+#define	FRF_CZ_TMFT_SRC_MAC_LBN 16
+#define	FRF_CZ_TMFT_SRC_MAC_WIDTH 44
+#define	FRF_CZ_TMFT_VLAN_ID_LBN 0
+#define	FRF_CZ_TMFT_VLAN_ID_WIDTH 12
+
+/* MC_TREG_SMEM: MC Shared Memory */
+#define	FR_CZ_MC_TREG_SMEM 0x00ff0000
+#define	FR_CZ_MC_TREG_SMEM_STEP 4
+#define	FR_CZ_MC_TREG_SMEM_ROWS 512
+#define	FRF_CZ_MC_TREG_SMEM_ROW_LBN 0
+#define	FRF_CZ_MC_TREG_SMEM_ROW_WIDTH 32
+
+/* MSIX_VECTOR_TABLE: MSIX Vector Table */
+#define	FR_BB_MSIX_VECTOR_TABLE 0x00ff0000
+#define	FR_BZ_MSIX_VECTOR_TABLE_STEP 16
+#define	FR_BB_MSIX_VECTOR_TABLE_ROWS 64
+/* MSIX_VECTOR_TABLE: MSIX Vector Table */
+#define	FR_CZ_MSIX_VECTOR_TABLE 0x00000000
+/* FR_BZ_MSIX_VECTOR_TABLE_STEP 16 */
+#define	FR_CZ_MSIX_VECTOR_TABLE_ROWS 1024
+#define	FRF_BZ_MSIX_VECTOR_RESERVED_LBN 97
+#define	FRF_BZ_MSIX_VECTOR_RESERVED_WIDTH 31
+#define	FRF_BZ_MSIX_VECTOR_MASK_LBN 96
+#define	FRF_BZ_MSIX_VECTOR_MASK_WIDTH 1
+#define	FRF_BZ_MSIX_MESSAGE_DATA_LBN 64
+#define	FRF_BZ_MSIX_MESSAGE_DATA_WIDTH 32
+#define	FRF_BZ_MSIX_MESSAGE_ADDRESS_HI_LBN 32
+#define	FRF_BZ_MSIX_MESSAGE_ADDRESS_HI_WIDTH 32
+#define	FRF_BZ_MSIX_MESSAGE_ADDRESS_LO_LBN 0
+#define	FRF_BZ_MSIX_MESSAGE_ADDRESS_LO_WIDTH 32
+
+/* MSIX_PBA_TABLE: MSIX Pending Bit Array */
+#define	FR_BB_MSIX_PBA_TABLE 0x00ff2000
+#define	FR_BZ_MSIX_PBA_TABLE_STEP 4
+#define	FR_BB_MSIX_PBA_TABLE_ROWS 2
+/* MSIX_PBA_TABLE: MSIX Pending Bit Array */
+#define	FR_CZ_MSIX_PBA_TABLE 0x00008000
+/* FR_BZ_MSIX_PBA_TABLE_STEP 4 */
+#define	FR_CZ_MSIX_PBA_TABLE_ROWS 32
+#define	FRF_BZ_MSIX_PBA_PEND_DWORD_LBN 0
+#define	FRF_BZ_MSIX_PBA_PEND_DWORD_WIDTH 32
+
+/* SRM_DBG_REG: SRAM debug access */
+#define	FR_BZ_SRM_DBG 0x03000000
+#define	FR_BZ_SRM_DBG_STEP 8
+#define	FR_CZ_SRM_DBG_ROWS 262144
+#define	FR_BB_SRM_DBG_ROWS 2097152
+#define	FRF_BZ_SRM_DBG_LBN 0
+#define	FRF_BZ_SRM_DBG_WIDTH 64
+
+/* TB_MSIX_PBA_TABLE: MSIX Pending Bit Array */
+#define	FR_CZ_TB_MSIX_PBA_TABLE 0x00008000
+#define	FR_CZ_TB_MSIX_PBA_TABLE_STEP 4
+#define	FR_CZ_TB_MSIX_PBA_TABLE_ROWS 1024
+#define	FRF_CZ_TB_MSIX_PBA_PEND_DWORD_LBN 0
+#define	FRF_CZ_TB_MSIX_PBA_PEND_DWORD_WIDTH 32
+
+/* DRIVER_EV */
+#define	FSF_AZ_DRIVER_EV_SUBCODE_LBN 56
+#define	FSF_AZ_DRIVER_EV_SUBCODE_WIDTH 4
+#define	FSE_BZ_TX_DSC_ERROR_EV 15
+#define	FSE_BZ_RX_DSC_ERROR_EV 14
+#define	FSE_AA_RX_RECOVER_EV 11
+#define	FSE_AZ_TIMER_EV 10
+#define	FSE_AZ_TX_PKT_NON_TCP_UDP 9
+#define	FSE_AZ_WAKE_UP_EV 6
+#define	FSE_AZ_SRM_UPD_DONE_EV 5
+#define	FSE_AB_EVQ_NOT_EN_EV 3
+#define	FSE_AZ_EVQ_INIT_DONE_EV 2
+#define	FSE_AZ_RX_DESCQ_FLS_DONE_EV 1
+#define	FSE_AZ_TX_DESCQ_FLS_DONE_EV 0
+#define	FSF_AZ_DRIVER_EV_SUBDATA_LBN 0
+#define	FSF_AZ_DRIVER_EV_SUBDATA_WIDTH 14
+
+/* EVENT_ENTRY */
+#define	FSF_AZ_EV_CODE_LBN 60
+#define	FSF_AZ_EV_CODE_WIDTH 4
+#define	FSE_CZ_EV_CODE_MCDI_EV 12
+#define	FSE_CZ_EV_CODE_USER_EV 8
+#define	FSE_AZ_EV_CODE_DRV_GEN_EV 7
+#define	FSE_AZ_EV_CODE_GLOBAL_EV 6
+#define	FSE_AZ_EV_CODE_DRIVER_EV 5
+#define	FSE_AZ_EV_CODE_TX_EV 2
+#define	FSE_AZ_EV_CODE_RX_EV 0
+#define	FSF_AZ_EV_DATA_LBN 0
+#define	FSF_AZ_EV_DATA_WIDTH 60
+
+/* GLOBAL_EV */
+#define	FSF_BB_GLB_EV_RX_RECOVERY_LBN 12
+#define	FSF_BB_GLB_EV_RX_RECOVERY_WIDTH 1
+#define	FSF_AA_GLB_EV_RX_RECOVERY_LBN 11
+#define	FSF_AA_GLB_EV_RX_RECOVERY_WIDTH 1
+#define	FSF_BB_GLB_EV_XG_MGT_INTR_LBN 11
+#define	FSF_BB_GLB_EV_XG_MGT_INTR_WIDTH 1
+#define	FSF_AB_GLB_EV_XFP_PHY0_INTR_LBN 10
+#define	FSF_AB_GLB_EV_XFP_PHY0_INTR_WIDTH 1
+#define	FSF_AB_GLB_EV_XG_PHY0_INTR_LBN 9
+#define	FSF_AB_GLB_EV_XG_PHY0_INTR_WIDTH 1
+#define	FSF_AB_GLB_EV_G_PHY0_INTR_LBN 7
+#define	FSF_AB_GLB_EV_G_PHY0_INTR_WIDTH 1
+
+/* LEGACY_INT_VEC */
+#define	FSF_AZ_NET_IVEC_FATAL_INT_LBN 64
+#define	FSF_AZ_NET_IVEC_FATAL_INT_WIDTH 1
+#define	FSF_AZ_NET_IVEC_INT_Q_LBN 40
+#define	FSF_AZ_NET_IVEC_INT_Q_WIDTH 4
+#define	FSF_AZ_NET_IVEC_INT_FLAG_LBN 32
+#define	FSF_AZ_NET_IVEC_INT_FLAG_WIDTH 1
+#define	FSF_AZ_NET_IVEC_EVQ_FIFO_HF_LBN 1
+#define	FSF_AZ_NET_IVEC_EVQ_FIFO_HF_WIDTH 1
+#define	FSF_AZ_NET_IVEC_EVQ_FIFO_AF_LBN 0
+#define	FSF_AZ_NET_IVEC_EVQ_FIFO_AF_WIDTH 1
+
+/* MC_XGMAC_FLTR_RULE_DEF */
+#define	FSF_CZ_MC_XFRC_MODE_LBN 416
+#define	FSF_CZ_MC_XFRC_MODE_WIDTH 1
+#define	FSE_CZ_MC_XFRC_MODE_LAYERED 1
+#define	FSE_CZ_MC_XFRC_MODE_SIMPLE 0
+#define	FSF_CZ_MC_XFRC_HASH_LBN 384
+#define	FSF_CZ_MC_XFRC_HASH_WIDTH 32
+#define	FSF_CZ_MC_XFRC_LAYER4_BYTE_MASK_LBN 256
+#define	FSF_CZ_MC_XFRC_LAYER4_BYTE_MASK_WIDTH 128
+#define	FSF_CZ_MC_XFRC_LAYER3_BYTE_MASK_LBN 128
+#define	FSF_CZ_MC_XFRC_LAYER3_BYTE_MASK_WIDTH 128
+#define	FSF_CZ_MC_XFRC_LAYER2_OR_SIMPLE_BYTE_MASK_LBN 0
+#define	FSF_CZ_MC_XFRC_LAYER2_OR_SIMPLE_BYTE_MASK_WIDTH 128
+
+/* RX_EV */
+#define	FSF_CZ_RX_EV_PKT_NOT_PARSED_LBN 58
+#define	FSF_CZ_RX_EV_PKT_NOT_PARSED_WIDTH 1
+#define	FSF_CZ_RX_EV_IPV6_PKT_LBN 57
+#define	FSF_CZ_RX_EV_IPV6_PKT_WIDTH 1
+#define	FSF_AZ_RX_EV_PKT_OK_LBN 56
+#define	FSF_AZ_RX_EV_PKT_OK_WIDTH 1
+#define	FSF_AZ_RX_EV_PAUSE_FRM_ERR_LBN 55
+#define	FSF_AZ_RX_EV_PAUSE_FRM_ERR_WIDTH 1
+#define	FSF_AZ_RX_EV_BUF_OWNER_ID_ERR_LBN 54
+#define	FSF_AZ_RX_EV_BUF_OWNER_ID_ERR_WIDTH 1
+#define	FSF_AZ_RX_EV_IP_FRAG_ERR_LBN 53
+#define	FSF_AZ_RX_EV_IP_FRAG_ERR_WIDTH 1
+#define	FSF_AZ_RX_EV_IP_HDR_CHKSUM_ERR_LBN 52
+#define	FSF_AZ_RX_EV_IP_HDR_CHKSUM_ERR_WIDTH 1
+#define	FSF_AZ_RX_EV_TCP_UDP_CHKSUM_ERR_LBN 51
+#define	FSF_AZ_RX_EV_TCP_UDP_CHKSUM_ERR_WIDTH 1
+#define	FSF_AZ_RX_EV_ETH_CRC_ERR_LBN 50
+#define	FSF_AZ_RX_EV_ETH_CRC_ERR_WIDTH 1
+#define	FSF_AZ_RX_EV_FRM_TRUNC_LBN 49
+#define	FSF_AZ_RX_EV_FRM_TRUNC_WIDTH 1
+#define	FSF_AA_RX_EV_DRIB_NIB_LBN 49
+#define	FSF_AA_RX_EV_DRIB_NIB_WIDTH 1
+#define	FSF_AZ_RX_EV_TOBE_DISC_LBN 47
+#define	FSF_AZ_RX_EV_TOBE_DISC_WIDTH 1
+#define	FSF_AZ_RX_EV_PKT_TYPE_LBN 44
+#define	FSF_AZ_RX_EV_PKT_TYPE_WIDTH 3
+#define	FSE_AZ_RX_EV_PKT_TYPE_VLAN_JUMBO 5
+#define	FSE_AZ_RX_EV_PKT_TYPE_VLAN_LLC 4
+#define	FSE_AZ_RX_EV_PKT_TYPE_VLAN 3
+#define	FSE_AZ_RX_EV_PKT_TYPE_JUMBO 2
+#define	FSE_AZ_RX_EV_PKT_TYPE_LLC 1
+#define	FSE_AZ_RX_EV_PKT_TYPE_ETH 0
+#define	FSF_AZ_RX_EV_HDR_TYPE_LBN 42
+#define	FSF_AZ_RX_EV_HDR_TYPE_WIDTH 2
+#define	FSE_AZ_RX_EV_HDR_TYPE_OTHER 3
+#define	FSE_AB_RX_EV_HDR_TYPE_IPV4_OTHER 2
+#define	FSE_CZ_RX_EV_HDR_TYPE_IPV4V6_OTHER 2
+#define	FSE_AB_RX_EV_HDR_TYPE_IPV4_UDP 1
+#define	FSE_CZ_RX_EV_HDR_TYPE_IPV4V6_UDP 1
+#define	FSE_AB_RX_EV_HDR_TYPE_IPV4_TCP 0
+#define	FSE_CZ_RX_EV_HDR_TYPE_IPV4V6_TCP 0
+#define	FSF_AZ_RX_EV_DESC_Q_EMPTY_LBN 41
+#define	FSF_AZ_RX_EV_DESC_Q_EMPTY_WIDTH 1
+#define	FSF_AZ_RX_EV_MCAST_HASH_MATCH_LBN 40
+#define	FSF_AZ_RX_EV_MCAST_HASH_MATCH_WIDTH 1
+#define	FSF_AZ_RX_EV_MCAST_PKT_LBN 39
+#define	FSF_AZ_RX_EV_MCAST_PKT_WIDTH 1
+#define	FSF_AA_RX_EV_RECOVERY_FLAG_LBN 37
+#define	FSF_AA_RX_EV_RECOVERY_FLAG_WIDTH 1
+#define	FSF_AZ_RX_EV_Q_LABEL_LBN 32
+#define	FSF_AZ_RX_EV_Q_LABEL_WIDTH 5
+#define	FSF_AZ_RX_EV_JUMBO_CONT_LBN 31
+#define	FSF_AZ_RX_EV_JUMBO_CONT_WIDTH 1
+#define	FSF_AZ_RX_EV_PORT_LBN 30
+#define	FSF_AZ_RX_EV_PORT_WIDTH 1
+#define	FSF_AZ_RX_EV_BYTE_CNT_LBN 16
+#define	FSF_AZ_RX_EV_BYTE_CNT_WIDTH 14
+#define	FSF_AZ_RX_EV_SOP_LBN 15
+#define	FSF_AZ_RX_EV_SOP_WIDTH 1
+#define	FSF_AZ_RX_EV_ISCSI_PKT_OK_LBN 14
+#define	FSF_AZ_RX_EV_ISCSI_PKT_OK_WIDTH 1
+#define	FSF_AZ_RX_EV_ISCSI_DDIG_ERR_LBN 13
+#define	FSF_AZ_RX_EV_ISCSI_DDIG_ERR_WIDTH 1
+#define	FSF_AZ_RX_EV_ISCSI_HDIG_ERR_LBN 12
+#define	FSF_AZ_RX_EV_ISCSI_HDIG_ERR_WIDTH 1
+#define	FSF_AZ_RX_EV_DESC_PTR_LBN 0
+#define	FSF_AZ_RX_EV_DESC_PTR_WIDTH 12
+
+/* RX_KER_DESC */
+#define	FSF_AZ_RX_KER_BUF_SIZE_LBN 48
+#define	FSF_AZ_RX_KER_BUF_SIZE_WIDTH 14
+#define	FSF_AZ_RX_KER_BUF_REGION_LBN 46
+#define	FSF_AZ_RX_KER_BUF_REGION_WIDTH 2
+#define	FSF_AZ_RX_KER_BUF_ADDR_LBN 0
+#define	FSF_AZ_RX_KER_BUF_ADDR_WIDTH 46
+
+/* RX_USER_DESC */
+#define	FSF_AZ_RX_USER_2BYTE_OFFSET_LBN 20
+#define	FSF_AZ_RX_USER_2BYTE_OFFSET_WIDTH 12
+#define	FSF_AZ_RX_USER_BUF_ID_LBN 0
+#define	FSF_AZ_RX_USER_BUF_ID_WIDTH 20
+
+/* TX_EV */
+#define	FSF_AZ_TX_EV_PKT_ERR_LBN 38
+#define	FSF_AZ_TX_EV_PKT_ERR_WIDTH 1
+#define	FSF_AZ_TX_EV_PKT_TOO_BIG_LBN 37
+#define	FSF_AZ_TX_EV_PKT_TOO_BIG_WIDTH 1
+#define	FSF_AZ_TX_EV_Q_LABEL_LBN 32
+#define	FSF_AZ_TX_EV_Q_LABEL_WIDTH 5
+#define	FSF_AZ_TX_EV_PORT_LBN 16
+#define	FSF_AZ_TX_EV_PORT_WIDTH 1
+#define	FSF_AZ_TX_EV_WQ_FF_FULL_LBN 15
+#define	FSF_AZ_TX_EV_WQ_FF_FULL_WIDTH 1
+#define	FSF_AZ_TX_EV_BUF_OWNER_ID_ERR_LBN 14
+#define	FSF_AZ_TX_EV_BUF_OWNER_ID_ERR_WIDTH 1
+#define	FSF_AZ_TX_EV_COMP_LBN 12
+#define	FSF_AZ_TX_EV_COMP_WIDTH 1
+#define	FSF_AZ_TX_EV_DESC_PTR_LBN 0
+#define	FSF_AZ_TX_EV_DESC_PTR_WIDTH 12
+
+/* TX_KER_DESC */
+#define	FSF_AZ_TX_KER_CONT_LBN 62
+#define	FSF_AZ_TX_KER_CONT_WIDTH 1
+#define	FSF_AZ_TX_KER_BYTE_COUNT_LBN 48
+#define	FSF_AZ_TX_KER_BYTE_COUNT_WIDTH 14
+#define	FSF_AZ_TX_KER_BUF_REGION_LBN 46
+#define	FSF_AZ_TX_KER_BUF_REGION_WIDTH 2
+#define	FSF_AZ_TX_KER_BUF_ADDR_LBN 0
+#define	FSF_AZ_TX_KER_BUF_ADDR_WIDTH 46
+
+/* TX_USER_DESC */
+#define	FSF_AZ_TX_USER_SW_EV_EN_LBN 48
+#define	FSF_AZ_TX_USER_SW_EV_EN_WIDTH 1
+#define	FSF_AZ_TX_USER_CONT_LBN 46
+#define	FSF_AZ_TX_USER_CONT_WIDTH 1
+#define	FSF_AZ_TX_USER_BYTE_CNT_LBN 33
+#define	FSF_AZ_TX_USER_BYTE_CNT_WIDTH 13
+#define	FSF_AZ_TX_USER_BUF_ID_LBN 13
+#define	FSF_AZ_TX_USER_BUF_ID_WIDTH 20
+#define	FSF_AZ_TX_USER_BYTE_OFS_LBN 0
+#define	FSF_AZ_TX_USER_BYTE_OFS_WIDTH 13
+
+/* USER_EV */
+#define	FSF_CZ_USER_QID_LBN 32
+#define	FSF_CZ_USER_QID_WIDTH 10
+#define	FSF_CZ_USER_EV_REG_VALUE_LBN 0
+#define	FSF_CZ_USER_EV_REG_VALUE_WIDTH 32
+
+/**************************************************************************
+ *
+ * Falcon B0 PCIe core indirect registers
+ *
+ **************************************************************************
+ */
+
+#define FPCR_BB_PCIE_DEVICE_CTRL_STAT 0x68
+
+#define FPCR_BB_PCIE_LINK_CTRL_STAT 0x70
+
+#define FPCR_BB_ACK_RPL_TIMER 0x700
+#define FPCRF_BB_ACK_TL_LBN 0
+#define FPCRF_BB_ACK_TL_WIDTH 16
+#define FPCRF_BB_RPL_TL_LBN 16
+#define FPCRF_BB_RPL_TL_WIDTH 16
+
+#define FPCR_BB_ACK_FREQ 0x70C
+#define FPCRF_BB_ACK_FREQ_LBN 0
+#define FPCRF_BB_ACK_FREQ_WIDTH 7
+
+/**************************************************************************
+ *
+ * Pseudo-registers and fields
+ *
+ **************************************************************************
+ */
+
+/* Interrupt acknowledge work-around register (A0/A1 only) */
+#define FR_AA_WORK_AROUND_BROKEN_PCI_READS 0x0070
+
+/* EE_SPI_HCMD_REG: SPI host command register */
+/* Values for the EE_SPI_HCMD_SF_SEL register field */
+#define FFE_AB_SPI_DEVICE_EEPROM 0
+#define FFE_AB_SPI_DEVICE_FLASH 1
+
+/* NIC_STAT_REG: NIC status register */
+#define FRF_AB_STRAP_10G_LBN 2
+#define FRF_AB_STRAP_10G_WIDTH 1
+#define FRF_AA_STRAP_PCIE_LBN 0
+#define FRF_AA_STRAP_PCIE_WIDTH 1
+
+/* FATAL_INTR_REG_KER: Fatal interrupt register for Kernel */
+#define FRF_AZ_FATAL_INTR_LBN 0
+#define FRF_AZ_FATAL_INTR_WIDTH 12
+
+/* SRM_CFG_REG: SRAM configuration register */
+/* We treat the number of SRAM banks and bank size as a single field */
+#define	FRF_AZ_SRM_NB_SZ_LBN FRF_AZ_SRM_BANK_SIZE_LBN
+#define	FRF_AZ_SRM_NB_SZ_WIDTH \
+	(FRF_AZ_SRM_BANK_SIZE_WIDTH + FRF_AZ_SRM_NUM_BANK_WIDTH)
+#define FFE_AB_SRM_NB1_SZ2M 0
+#define FFE_AB_SRM_NB1_SZ4M 1
+#define FFE_AB_SRM_NB1_SZ8M 2
+#define FFE_AB_SRM_NB_SZ_DEF 3
+#define FFE_AB_SRM_NB2_SZ4M 4
+#define FFE_AB_SRM_NB2_SZ8M 5
+#define FFE_AB_SRM_NB2_SZ16M 6
+#define FFE_AB_SRM_NB_SZ_RES 7
+
+/* RX_DESC_UPD_REGP0: Receive descriptor update register. */
+/* We write just the last dword of these registers */
+#define	FR_AZ_RX_DESC_UPD_DWORD_P0 \
+	(BUILD_BUG_ON_ZERO(FR_AA_RX_DESC_UPD_KER != FR_BZ_RX_DESC_UPD_P0) + \
+	 FR_BZ_RX_DESC_UPD_P0 + 3 * 4)
+#define	FRF_AZ_RX_DESC_WPTR_DWORD_LBN (FRF_AZ_RX_DESC_WPTR_LBN - 3 * 32)
+#define	FRF_AZ_RX_DESC_WPTR_DWORD_WIDTH FRF_AZ_RX_DESC_WPTR_WIDTH
+
+/* TX_DESC_UPD_REGP0: Transmit descriptor update register. */
+#define FR_AZ_TX_DESC_UPD_DWORD_P0 \
+	(BUILD_BUG_ON_ZERO(FR_AA_TX_DESC_UPD_KER != FR_BZ_TX_DESC_UPD_P0) + \
+	 FR_BZ_TX_DESC_UPD_P0 + 3 * 4)
+#define	FRF_AZ_TX_DESC_WPTR_DWORD_LBN (FRF_AZ_TX_DESC_WPTR_LBN - 3 * 32)
+#define	FRF_AZ_TX_DESC_WPTR_DWORD_WIDTH FRF_AZ_TX_DESC_WPTR_WIDTH
+
+/* GMF_CFG4_REG: GMAC FIFO configuration register 4 */
+#define FRF_AB_GMF_HSTFLTRFRM_PAUSE_LBN 12
+#define FRF_AB_GMF_HSTFLTRFRM_PAUSE_WIDTH 1
+
+/* GMF_CFG5_REG: GMAC FIFO configuration register 5 */
+#define FRF_AB_GMF_HSTFLTRFRMDC_PAUSE_LBN 12
+#define FRF_AB_GMF_HSTFLTRFRMDC_PAUSE_WIDTH 1
+
+/* XM_TX_PARAM_REG: XGMAC transmit parameter register */
+#define	FRF_AB_XM_MAX_TX_FRM_SIZE_LBN FRF_AB_XM_MAX_TX_FRM_SIZE_LO_LBN
+#define	FRF_AB_XM_MAX_TX_FRM_SIZE_WIDTH (FRF_AB_XM_MAX_TX_FRM_SIZE_HI_WIDTH + \
+					 FRF_AB_XM_MAX_TX_FRM_SIZE_LO_WIDTH)
+
+/* XM_RX_PARAM_REG: XGMAC receive parameter register */
+#define	FRF_AB_XM_MAX_RX_FRM_SIZE_LBN FRF_AB_XM_MAX_RX_FRM_SIZE_LO_LBN
+#define	FRF_AB_XM_MAX_RX_FRM_SIZE_WIDTH (FRF_AB_XM_MAX_RX_FRM_SIZE_HI_WIDTH + \
+					 FRF_AB_XM_MAX_RX_FRM_SIZE_LO_WIDTH)
+
+/* XX_TXDRV_CTL_REG: XAUI SerDes transmit drive control register */
+/* Default values */
+#define FFE_AB_XX_TXDRV_DEQ_DEF 0xe /* deq=.6 */
+#define FFE_AB_XX_TXDRV_DTX_DEF 0x5 /* 1.25 */
+#define FFE_AB_XX_SD_CTL_DRV_DEF 0  /* 20mA */
+
+/* XX_CORE_STAT_REG: XAUI XGXS core status register */
+/* XGXS all-lanes status fields */
+#define	FRF_AB_XX_SYNC_STAT_LBN FRF_AB_XX_SYNC_STAT0_LBN
+#define	FRF_AB_XX_SYNC_STAT_WIDTH 4
+#define	FRF_AB_XX_COMMA_DET_LBN FRF_AB_XX_COMMA_DET_CH0_LBN
+#define	FRF_AB_XX_COMMA_DET_WIDTH 4
+#define	FRF_AB_XX_CHAR_ERR_LBN FRF_AB_XX_CHAR_ERR_CH0_LBN
+#define	FRF_AB_XX_CHAR_ERR_WIDTH 4
+#define	FRF_AB_XX_DISPERR_LBN FRF_AB_XX_DISPERR_CH0_LBN
+#define	FRF_AB_XX_DISPERR_WIDTH 4
+#define	FFE_AB_XX_STAT_ALL_LANES 0xf
+#define	FRF_AB_XX_FORCE_SIG_LBN FRF_AB_XX_FORCE_SIG0_VAL_LBN
+#define	FRF_AB_XX_FORCE_SIG_WIDTH 8
+#define	FFE_AB_XX_FORCE_SIG_ALL_LANES 0xff
+
+/* DRIVER_EV */
+/* Sub-fields of an RX flush completion event */
+#define FSF_AZ_DRIVER_EV_RX_FLUSH_FAIL_LBN 12
+#define FSF_AZ_DRIVER_EV_RX_FLUSH_FAIL_WIDTH 1
+#define FSF_AZ_DRIVER_EV_RX_DESCQ_ID_LBN 0
+#define FSF_AZ_DRIVER_EV_RX_DESCQ_ID_WIDTH 12
+
+/* EVENT_ENTRY */
+/* Magic number field for event test */
+#define FSF_AZ_DRV_GEN_EV_MAGIC_LBN 0
+#define FSF_AZ_DRV_GEN_EV_MAGIC_WIDTH 32
+
+/**************************************************************************
+ *
+ * Falcon MAC stats
+ *
+ **************************************************************************
+ *
+ */
+
+#define GRxGoodOct_offset 0x0
+#define GRxGoodOct_WIDTH 48
+#define GRxBadOct_offset 0x8
+#define GRxBadOct_WIDTH 48
+#define GRxMissPkt_offset 0x10
+#define GRxMissPkt_WIDTH 32
+#define GRxFalseCRS_offset 0x14
+#define GRxFalseCRS_WIDTH 32
+#define GRxPausePkt_offset 0x18
+#define GRxPausePkt_WIDTH 32
+#define GRxBadPkt_offset 0x1C
+#define GRxBadPkt_WIDTH 32
+#define GRxUcastPkt_offset 0x20
+#define GRxUcastPkt_WIDTH 32
+#define GRxMcastPkt_offset 0x24
+#define GRxMcastPkt_WIDTH 32
+#define GRxBcastPkt_offset 0x28
+#define GRxBcastPkt_WIDTH 32
+#define GRxGoodLt64Pkt_offset 0x2C
+#define GRxGoodLt64Pkt_WIDTH 32
+#define GRxBadLt64Pkt_offset 0x30
+#define GRxBadLt64Pkt_WIDTH 32
+#define GRx64Pkt_offset 0x34
+#define GRx64Pkt_WIDTH 32
+#define GRx65to127Pkt_offset 0x38
+#define GRx65to127Pkt_WIDTH 32
+#define GRx128to255Pkt_offset 0x3C
+#define GRx128to255Pkt_WIDTH 32
+#define GRx256to511Pkt_offset 0x40
+#define GRx256to511Pkt_WIDTH 32
+#define GRx512to1023Pkt_offset 0x44
+#define GRx512to1023Pkt_WIDTH 32
+#define GRx1024to15xxPkt_offset 0x48
+#define GRx1024to15xxPkt_WIDTH 32
+#define GRx15xxtoJumboPkt_offset 0x4C
+#define GRx15xxtoJumboPkt_WIDTH 32
+#define GRxGtJumboPkt_offset 0x50
+#define GRxGtJumboPkt_WIDTH 32
+#define GRxFcsErr64to15xxPkt_offset 0x54
+#define GRxFcsErr64to15xxPkt_WIDTH 32
+#define GRxFcsErr15xxtoJumboPkt_offset 0x58
+#define GRxFcsErr15xxtoJumboPkt_WIDTH 32
+#define GRxFcsErrGtJumboPkt_offset 0x5C
+#define GRxFcsErrGtJumboPkt_WIDTH 32
+#define GTxGoodBadOct_offset 0x80
+#define GTxGoodBadOct_WIDTH 48
+#define GTxGoodOct_offset 0x88
+#define GTxGoodOct_WIDTH 48
+#define GTxSglColPkt_offset 0x90
+#define GTxSglColPkt_WIDTH 32
+#define GTxMultColPkt_offset 0x94
+#define GTxMultColPkt_WIDTH 32
+#define GTxExColPkt_offset 0x98
+#define GTxExColPkt_WIDTH 32
+#define GTxDefPkt_offset 0x9C
+#define GTxDefPkt_WIDTH 32
+#define GTxLateCol_offset 0xA0
+#define GTxLateCol_WIDTH 32
+#define GTxExDefPkt_offset 0xA4
+#define GTxExDefPkt_WIDTH 32
+#define GTxPausePkt_offset 0xA8
+#define GTxPausePkt_WIDTH 32
+#define GTxBadPkt_offset 0xAC
+#define GTxBadPkt_WIDTH 32
+#define GTxUcastPkt_offset 0xB0
+#define GTxUcastPkt_WIDTH 32
+#define GTxMcastPkt_offset 0xB4
+#define GTxMcastPkt_WIDTH 32
+#define GTxBcastPkt_offset 0xB8
+#define GTxBcastPkt_WIDTH 32
+#define GTxLt64Pkt_offset 0xBC
+#define GTxLt64Pkt_WIDTH 32
+#define GTx64Pkt_offset 0xC0
+#define GTx64Pkt_WIDTH 32
+#define GTx65to127Pkt_offset 0xC4
+#define GTx65to127Pkt_WIDTH 32
+#define GTx128to255Pkt_offset 0xC8
+#define GTx128to255Pkt_WIDTH 32
+#define GTx256to511Pkt_offset 0xCC
+#define GTx256to511Pkt_WIDTH 32
+#define GTx512to1023Pkt_offset 0xD0
+#define GTx512to1023Pkt_WIDTH 32
+#define GTx1024to15xxPkt_offset 0xD4
+#define GTx1024to15xxPkt_WIDTH 32
+#define GTx15xxtoJumboPkt_offset 0xD8
+#define GTx15xxtoJumboPkt_WIDTH 32
+#define GTxGtJumboPkt_offset 0xDC
+#define GTxGtJumboPkt_WIDTH 32
+#define GTxNonTcpUdpPkt_offset 0xE0
+#define GTxNonTcpUdpPkt_WIDTH 16
+#define GTxMacSrcErrPkt_offset 0xE4
+#define GTxMacSrcErrPkt_WIDTH 16
+#define GTxIpSrcErrPkt_offset 0xE8
+#define GTxIpSrcErrPkt_WIDTH 16
+#define GDmaDone_offset 0xEC
+#define GDmaDone_WIDTH 32
+
+#define XgRxOctets_offset 0x0
+#define XgRxOctets_WIDTH 48
+#define XgRxOctetsOK_offset 0x8
+#define XgRxOctetsOK_WIDTH 48
+#define XgRxPkts_offset 0x10
+#define XgRxPkts_WIDTH 32
+#define XgRxPktsOK_offset 0x14
+#define XgRxPktsOK_WIDTH 32
+#define XgRxBroadcastPkts_offset 0x18
+#define XgRxBroadcastPkts_WIDTH 32
+#define XgRxMulticastPkts_offset 0x1C
+#define XgRxMulticastPkts_WIDTH 32
+#define XgRxUnicastPkts_offset 0x20
+#define XgRxUnicastPkts_WIDTH 32
+#define XgRxUndersizePkts_offset 0x24
+#define XgRxUndersizePkts_WIDTH 32
+#define XgRxOversizePkts_offset 0x28
+#define XgRxOversizePkts_WIDTH 32
+#define XgRxJabberPkts_offset 0x2C
+#define XgRxJabberPkts_WIDTH 32
+#define XgRxUndersizeFCSerrorPkts_offset 0x30
+#define XgRxUndersizeFCSerrorPkts_WIDTH 32
+#define XgRxDropEvents_offset 0x34
+#define XgRxDropEvents_WIDTH 32
+#define XgRxFCSerrorPkts_offset 0x38
+#define XgRxFCSerrorPkts_WIDTH 32
+#define XgRxAlignError_offset 0x3C
+#define XgRxAlignError_WIDTH 32
+#define XgRxSymbolError_offset 0x40
+#define XgRxSymbolError_WIDTH 32
+#define XgRxInternalMACError_offset 0x44
+#define XgRxInternalMACError_WIDTH 32
+#define XgRxControlPkts_offset 0x48
+#define XgRxControlPkts_WIDTH 32
+#define XgRxPausePkts_offset 0x4C
+#define XgRxPausePkts_WIDTH 32
+#define XgRxPkts64Octets_offset 0x50
+#define XgRxPkts64Octets_WIDTH 32
+#define XgRxPkts65to127Octets_offset 0x54
+#define XgRxPkts65to127Octets_WIDTH 32
+#define XgRxPkts128to255Octets_offset 0x58
+#define XgRxPkts128to255Octets_WIDTH 32
+#define XgRxPkts256to511Octets_offset 0x5C
+#define XgRxPkts256to511Octets_WIDTH 32
+#define XgRxPkts512to1023Octets_offset 0x60
+#define XgRxPkts512to1023Octets_WIDTH 32
+#define XgRxPkts1024to15xxOctets_offset 0x64
+#define XgRxPkts1024to15xxOctets_WIDTH 32
+#define XgRxPkts15xxtoMaxOctets_offset 0x68
+#define XgRxPkts15xxtoMaxOctets_WIDTH 32
+#define XgRxLengthError_offset 0x6C
+#define XgRxLengthError_WIDTH 32
+#define XgTxPkts_offset 0x80
+#define XgTxPkts_WIDTH 32
+#define XgTxOctets_offset 0x88
+#define XgTxOctets_WIDTH 48
+#define XgTxMulticastPkts_offset 0x90
+#define XgTxMulticastPkts_WIDTH 32
+#define XgTxBroadcastPkts_offset 0x94
+#define XgTxBroadcastPkts_WIDTH 32
+#define XgTxUnicastPkts_offset 0x98
+#define XgTxUnicastPkts_WIDTH 32
+#define XgTxControlPkts_offset 0x9C
+#define XgTxControlPkts_WIDTH 32
+#define XgTxPausePkts_offset 0xA0
+#define XgTxPausePkts_WIDTH 32
+#define XgTxPkts64Octets_offset 0xA4
+#define XgTxPkts64Octets_WIDTH 32
+#define XgTxPkts65to127Octets_offset 0xA8
+#define XgTxPkts65to127Octets_WIDTH 32
+#define XgTxPkts128to255Octets_offset 0xAC
+#define XgTxPkts128to255Octets_WIDTH 32
+#define XgTxPkts256to511Octets_offset 0xB0
+#define XgTxPkts256to511Octets_WIDTH 32
+#define XgTxPkts512to1023Octets_offset 0xB4
+#define XgTxPkts512to1023Octets_WIDTH 32
+#define XgTxPkts1024to15xxOctets_offset 0xB8
+#define XgTxPkts1024to15xxOctets_WIDTH 32
+#define XgTxPkts1519toMaxOctets_offset 0xBC
+#define XgTxPkts1519toMaxOctets_WIDTH 32
+#define XgTxUndersizePkts_offset 0xC0
+#define XgTxUndersizePkts_WIDTH 32
+#define XgTxOversizePkts_offset 0xC4
+#define XgTxOversizePkts_WIDTH 32
+#define XgTxNonTcpUdpPkt_offset 0xC8
+#define XgTxNonTcpUdpPkt_WIDTH 16
+#define XgTxMacSrcErrPkt_offset 0xCC
+#define XgTxMacSrcErrPkt_WIDTH 16
+#define XgTxIpSrcErrPkt_offset 0xD0
+#define XgTxIpSrcErrPkt_WIDTH 16
+#define XgDmaDone_offset 0xD4
+#define XgDmaDone_WIDTH 32
+
+#define FALCON_STATS_NOT_DONE 0x00000000
+#define FALCON_STATS_DONE 0xffffffff
+
+/* Interrupt status register bits */
+#define FATAL_INT_LBN 64
+#define FATAL_INT_WIDTH 1
+#define INT_EVQS_LBN 40
+#define INT_EVQS_WIDTH 4
+#define INT_FLAG_LBN 32
+#define INT_FLAG_WIDTH 1
+#define EVQ_FIFO_HF_LBN 1
+#define EVQ_FIFO_HF_WIDTH 1
+#define EVQ_FIFO_AF_LBN 0
+#define EVQ_FIFO_AF_WIDTH 1
+
+/**************************************************************************
+ *
+ * Falcon non-volatile configuration
+ *
+ **************************************************************************
+ */
+
+/* Board configuration v2 (v1 is obsolete; later versions are compatible) */
+struct falcon_nvconfig_board_v2 {
+	__le16 nports;
+	u8 port0_phy_addr;
+	u8 port0_phy_type;
+	u8 port1_phy_addr;
+	u8 port1_phy_type;
+	__le16 asic_sub_revision;
+	__le16 board_revision;
+} __packed;
+
+/* Board configuration v3 extra information */
+struct falcon_nvconfig_board_v3 {
+	__le32 spi_device_type[2];
+} __packed;
+
+/* Bit numbers for spi_device_type */
+#define SPI_DEV_TYPE_SIZE_LBN 0
+#define SPI_DEV_TYPE_SIZE_WIDTH 5
+#define SPI_DEV_TYPE_ADDR_LEN_LBN 6
+#define SPI_DEV_TYPE_ADDR_LEN_WIDTH 2
+#define SPI_DEV_TYPE_ERASE_CMD_LBN 8
+#define SPI_DEV_TYPE_ERASE_CMD_WIDTH 8
+#define SPI_DEV_TYPE_ERASE_SIZE_LBN 16
+#define SPI_DEV_TYPE_ERASE_SIZE_WIDTH 5
+#define SPI_DEV_TYPE_BLOCK_SIZE_LBN 24
+#define SPI_DEV_TYPE_BLOCK_SIZE_WIDTH 5
+#define SPI_DEV_TYPE_FIELD(type, field)					\
+	(((type) >> EFX_LOW_BIT(field)) & EFX_MASK32(EFX_WIDTH(field)))
+
+#define FALCON_NVCONFIG_OFFSET 0x300
+
+#define FALCON_NVCONFIG_BOARD_MAGIC_NUM 0xFA1C
+struct falcon_nvconfig {
+	efx_oword_t ee_vpd_cfg_reg;			/* 0x300 */
+	u8 mac_address[2][8];			/* 0x310 */
+	efx_oword_t pcie_sd_ctl0123_reg;		/* 0x320 */
+	efx_oword_t pcie_sd_ctl45_reg;			/* 0x330 */
+	efx_oword_t pcie_pcs_ctl_stat_reg;		/* 0x340 */
+	efx_oword_t hw_init_reg;			/* 0x350 */
+	efx_oword_t nic_stat_reg;			/* 0x360 */
+	efx_oword_t glb_ctl_reg;			/* 0x370 */
+	efx_oword_t srm_cfg_reg;			/* 0x380 */
+	efx_oword_t spare_reg;				/* 0x390 */
+	__le16 board_magic_num;			/* 0x3A0 */
+	__le16 board_struct_ver;
+	__le16 board_checksum;
+	struct falcon_nvconfig_board_v2 board_v2;
+	efx_oword_t ee_base_page_reg;			/* 0x3B0 */
+	struct falcon_nvconfig_board_v3 board_v3;	/* 0x3C0 */
+} __packed;
+
+#endif /* EFX_REGS_H */
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c
index f5797a3e1fe..390b27b5ace 100644
--- a/drivers/net/sfc/tenxpress.c
+++ b/drivers/net/sfc/tenxpress.c
@@ -14,7 +14,7 @@
 #include "mdio_10g.h"
 #include "falcon.h"
 #include "phy.h"
-#include "falcon_hwdefs.h"
+#include "regs.h"
 #include "workarounds.h"
 #include "selftest.h"
 
-- 
GitLab


From 12d00cadcc45382fc127712aa35bd0c96cbf81d9 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 23 Oct 2009 08:30:46 +0000
Subject: [PATCH 0407/1815] sfc: Rename register I/O header and functions used
 by both Falcon and Siena

While we're at it, use type suffixes of 'd', 'q' and 'o', consistent
with register type names.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/falcon.c        | 249 +++++++++++++++---------------
 drivers/net/sfc/falcon_boards.c |   8 +-
 drivers/net/sfc/falcon_gmac.c   |  26 ++--
 drivers/net/sfc/falcon_io.h     | 258 --------------------------------
 drivers/net/sfc/falcon_xmac.c   |  48 +++---
 drivers/net/sfc/io.h            | 256 +++++++++++++++++++++++++++++++
 drivers/net/sfc/selftest.c      |   2 +-
 7 files changed, 426 insertions(+), 421 deletions(-)
 delete mode 100644 drivers/net/sfc/falcon_io.h
 create mode 100644 drivers/net/sfc/io.h

diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index b35e01031e2..759f55ae4b8 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -23,7 +23,7 @@
 #include "spi.h"
 #include "falcon.h"
 #include "regs.h"
-#include "falcon_io.h"
+#include "io.h"
 #include "mdio_10g.h"
 #include "phy.h"
 #include "workarounds.h"
@@ -163,6 +163,13 @@ MODULE_PARM_DESC(rx_xon_thresh_bytes, "RX fifo XON threshold");
  *
  **************************************************************************/
 
+static inline void falcon_write_buf_tbl(struct efx_nic *efx, efx_qword_t *value,
+					unsigned int index)
+{
+	efx_sram_writeq(efx, efx->membase + efx->type->buf_tbl_base,
+			value, index);
+}
+
 /* Read the current event from the event queue */
 static inline efx_qword_t *falcon_event(struct efx_channel *channel,
 					unsigned int index)
@@ -199,9 +206,9 @@ static void falcon_setsda(void *data, int state)
 	struct efx_nic *efx = (struct efx_nic *)data;
 	efx_oword_t reg;
 
-	falcon_read(efx, &reg, FR_AB_GPIO_CTL);
+	efx_reado(efx, &reg, FR_AB_GPIO_CTL);
 	EFX_SET_OWORD_FIELD(reg, FRF_AB_GPIO3_OEN, !state);
-	falcon_write(efx, &reg, FR_AB_GPIO_CTL);
+	efx_writeo(efx, &reg, FR_AB_GPIO_CTL);
 }
 
 static void falcon_setscl(void *data, int state)
@@ -209,9 +216,9 @@ static void falcon_setscl(void *data, int state)
 	struct efx_nic *efx = (struct efx_nic *)data;
 	efx_oword_t reg;
 
-	falcon_read(efx, &reg, FR_AB_GPIO_CTL);
+	efx_reado(efx, &reg, FR_AB_GPIO_CTL);
 	EFX_SET_OWORD_FIELD(reg, FRF_AB_GPIO0_OEN, !state);
-	falcon_write(efx, &reg, FR_AB_GPIO_CTL);
+	efx_writeo(efx, &reg, FR_AB_GPIO_CTL);
 }
 
 static int falcon_getsda(void *data)
@@ -219,7 +226,7 @@ static int falcon_getsda(void *data)
 	struct efx_nic *efx = (struct efx_nic *)data;
 	efx_oword_t reg;
 
-	falcon_read(efx, &reg, FR_AB_GPIO_CTL);
+	efx_reado(efx, &reg, FR_AB_GPIO_CTL);
 	return EFX_OWORD_FIELD(reg, FRF_AB_GPIO3_IN);
 }
 
@@ -228,7 +235,7 @@ static int falcon_getscl(void *data)
 	struct efx_nic *efx = (struct efx_nic *)data;
 	efx_oword_t reg;
 
-	falcon_read(efx, &reg, FR_AB_GPIO_CTL);
+	efx_reado(efx, &reg, FR_AB_GPIO_CTL);
 	return EFX_OWORD_FIELD(reg, FRF_AB_GPIO0_IN);
 }
 
@@ -278,7 +285,7 @@ falcon_init_special_buffer(struct efx_nic *efx,
 				     FRF_AZ_BUF_ADR_REGION, 0,
 				     FRF_AZ_BUF_ADR_FBUF, dma_addr >> 12,
 				     FRF_AZ_BUF_OWNER_ID_FBUF, 0);
-		falcon_write_sram(efx, &buf_desc, index);
+		falcon_write_buf_tbl(efx, &buf_desc, index);
 	}
 }
 
@@ -302,7 +309,7 @@ falcon_fini_special_buffer(struct efx_nic *efx,
 			     FRF_AZ_BUF_CLR_CMD, 1,
 			     FRF_AZ_BUF_CLR_END_ID, end,
 			     FRF_AZ_BUF_CLR_START_ID, start);
-	falcon_write(efx, &buf_tbl_upd, FR_AZ_BUF_TBL_UPD);
+	efx_writeo(efx, &buf_tbl_upd, FR_AZ_BUF_TBL_UPD);
 }
 
 /*
@@ -415,8 +422,8 @@ static inline void falcon_notify_tx_desc(struct efx_tx_queue *tx_queue)
 
 	write_ptr = tx_queue->write_count & FALCON_TXD_RING_MASK;
 	EFX_POPULATE_DWORD_1(reg, FRF_AZ_TX_DESC_WPTR_DWORD, write_ptr);
-	falcon_writel_page(tx_queue->efx, &reg,
-			   FR_AZ_TX_DESC_UPD_DWORD_P0, tx_queue->queue);
+	efx_writed_page(tx_queue->efx, &reg,
+			FR_AZ_TX_DESC_UPD_DWORD_P0, tx_queue->queue);
 }
 
 
@@ -491,8 +498,8 @@ void falcon_init_tx(struct efx_tx_queue *tx_queue)
 				    !csum);
 	}
 
-	falcon_write_table(efx, &tx_desc_ptr, efx->type->txd_ptr_tbl_base,
-			   tx_queue->queue);
+	efx_writeo_table(efx, &tx_desc_ptr, efx->type->txd_ptr_tbl_base,
+			 tx_queue->queue);
 
 	if (falcon_rev(efx) < FALCON_REV_B0) {
 		efx_oword_t reg;
@@ -500,12 +507,12 @@ void falcon_init_tx(struct efx_tx_queue *tx_queue)
 		/* Only 128 bits in this register */
 		BUILD_BUG_ON(EFX_TX_QUEUE_COUNT >= 128);
 
-		falcon_read(efx, &reg, FR_AA_TX_CHKSM_CFG);
+		efx_reado(efx, &reg, FR_AA_TX_CHKSM_CFG);
 		if (tx_queue->queue == EFX_TX_QUEUE_OFFLOAD_CSUM)
 			clear_bit_le(tx_queue->queue, (void *)&reg);
 		else
 			set_bit_le(tx_queue->queue, (void *)&reg);
-		falcon_write(efx, &reg, FR_AA_TX_CHKSM_CFG);
+		efx_writeo(efx, &reg, FR_AA_TX_CHKSM_CFG);
 	}
 }
 
@@ -518,7 +525,7 @@ static void falcon_flush_tx_queue(struct efx_tx_queue *tx_queue)
 	EFX_POPULATE_OWORD_2(tx_flush_descq,
 			     FRF_AZ_TX_FLUSH_DESCQ_CMD, 1,
 			     FRF_AZ_TX_FLUSH_DESCQ, tx_queue->queue);
-	falcon_write(efx, &tx_flush_descq, FR_AZ_TX_FLUSH_DESCQ);
+	efx_writeo(efx, &tx_flush_descq, FR_AZ_TX_FLUSH_DESCQ);
 }
 
 void falcon_fini_tx(struct efx_tx_queue *tx_queue)
@@ -531,8 +538,8 @@ void falcon_fini_tx(struct efx_tx_queue *tx_queue)
 
 	/* Remove TX descriptor ring from card */
 	EFX_ZERO_OWORD(tx_desc_ptr);
-	falcon_write_table(efx, &tx_desc_ptr, efx->type->txd_ptr_tbl_base,
-			   tx_queue->queue);
+	efx_writeo_table(efx, &tx_desc_ptr, efx->type->txd_ptr_tbl_base,
+			 tx_queue->queue);
 
 	/* Unpin TX descriptor ring */
 	falcon_fini_special_buffer(efx, &tx_queue->txd);
@@ -592,8 +599,8 @@ void falcon_notify_rx_desc(struct efx_rx_queue *rx_queue)
 	wmb();
 	write_ptr = rx_queue->added_count & FALCON_RXD_RING_MASK;
 	EFX_POPULATE_DWORD_1(reg, FRF_AZ_RX_DESC_WPTR_DWORD, write_ptr);
-	falcon_writel_page(rx_queue->efx, &reg,
-			   FR_AZ_RX_DESC_UPD_DWORD_P0, rx_queue->queue);
+	efx_writed_page(rx_queue->efx, &reg,
+			FR_AZ_RX_DESC_UPD_DWORD_P0, rx_queue->queue);
 }
 
 int falcon_probe_rx(struct efx_rx_queue *rx_queue)
@@ -634,8 +641,8 @@ void falcon_init_rx(struct efx_rx_queue *rx_queue)
 			      /* For >=B0 this is scatter so disable */
 			      FRF_AZ_RX_DESCQ_JUMBO, !is_b0,
 			      FRF_AZ_RX_DESCQ_EN, 1);
-	falcon_write_table(efx, &rx_desc_ptr, efx->type->rxd_ptr_tbl_base,
-			   rx_queue->queue);
+	efx_writeo_table(efx, &rx_desc_ptr, efx->type->rxd_ptr_tbl_base,
+			 rx_queue->queue);
 }
 
 static void falcon_flush_rx_queue(struct efx_rx_queue *rx_queue)
@@ -647,7 +654,7 @@ static void falcon_flush_rx_queue(struct efx_rx_queue *rx_queue)
 	EFX_POPULATE_OWORD_2(rx_flush_descq,
 			     FRF_AZ_RX_FLUSH_DESCQ_CMD, 1,
 			     FRF_AZ_RX_FLUSH_DESCQ, rx_queue->queue);
-	falcon_write(efx, &rx_flush_descq, FR_AZ_RX_FLUSH_DESCQ);
+	efx_writeo(efx, &rx_flush_descq, FR_AZ_RX_FLUSH_DESCQ);
 }
 
 void falcon_fini_rx(struct efx_rx_queue *rx_queue)
@@ -660,8 +667,8 @@ void falcon_fini_rx(struct efx_rx_queue *rx_queue)
 
 	/* Remove RX descriptor ring from card */
 	EFX_ZERO_OWORD(rx_desc_ptr);
-	falcon_write_table(efx, &rx_desc_ptr, efx->type->rxd_ptr_tbl_base,
-			   rx_queue->queue);
+	efx_writeo_table(efx, &rx_desc_ptr, efx->type->rxd_ptr_tbl_base,
+			 rx_queue->queue);
 
 	/* Unpin RX descriptor ring */
 	falcon_fini_special_buffer(efx, &rx_queue->rxd);
@@ -695,7 +702,7 @@ void falcon_eventq_read_ack(struct efx_channel *channel)
 	struct efx_nic *efx = channel->efx;
 
 	EFX_POPULATE_DWORD_1(reg, FRF_AZ_EVQ_RPTR, channel->eventq_read_ptr);
-	falcon_writel_table(efx, &reg, efx->type->evq_rptr_tbl_base,
+	efx_writed_table(efx, &reg, efx->type->evq_rptr_tbl_base,
 			    channel->channel);
 }
 
@@ -711,7 +718,7 @@ void falcon_generate_event(struct efx_channel *channel, efx_qword_t *event)
 	drv_ev_reg.u32[2] = 0;
 	drv_ev_reg.u32[3] = 0;
 	EFX_SET_OWORD_FIELD(drv_ev_reg, FRF_AZ_DRV_EV_QID, channel->channel);
-	falcon_write(channel->efx, &drv_ev_reg, FR_AZ_DRV_EV);
+	efx_writeo(channel->efx, &drv_ev_reg, FR_AZ_DRV_EV);
 }
 
 /* Handle a transmit completion event
@@ -1104,8 +1111,8 @@ void falcon_set_int_moderation(struct efx_channel *channel)
 				     FRF_AB_TC_TIMER_VAL, 0);
 	}
 	BUILD_BUG_ON(FR_AA_TIMER_COMMAND_KER != FR_BZ_TIMER_COMMAND_P0);
-	falcon_writel_page_locked(efx, &timer_cmd, FR_BZ_TIMER_COMMAND_P0,
-				  channel->channel);
+	efx_writed_page_locked(efx, &timer_cmd, FR_BZ_TIMER_COMMAND_P0,
+			       channel->channel);
 
 }
 
@@ -1139,8 +1146,8 @@ void falcon_init_eventq(struct efx_channel *channel)
 			     FRF_AZ_EVQ_EN, 1,
 			     FRF_AZ_EVQ_SIZE, FALCON_EVQ_ORDER,
 			     FRF_AZ_EVQ_BUF_BASE_ID, channel->eventq.index);
-	falcon_write_table(efx, &evq_ptr, efx->type->evq_ptr_tbl_base,
-			   channel->channel);
+	efx_writeo_table(efx, &evq_ptr, efx->type->evq_ptr_tbl_base,
+			 channel->channel);
 
 	falcon_set_int_moderation(channel);
 }
@@ -1152,8 +1159,8 @@ void falcon_fini_eventq(struct efx_channel *channel)
 
 	/* Remove event queue from card */
 	EFX_ZERO_OWORD(eventq_ptr);
-	falcon_write_table(efx, &eventq_ptr, efx->type->evq_ptr_tbl_base,
-			   channel->channel);
+	efx_writeo_table(efx, &eventq_ptr, efx->type->evq_ptr_tbl_base,
+			 channel->channel);
 
 	/* Unpin event queue */
 	falcon_fini_special_buffer(efx, &channel->eventq);
@@ -1325,7 +1332,7 @@ static inline void falcon_interrupts(struct efx_nic *efx, int enabled,
 	EFX_POPULATE_OWORD_2(int_en_reg_ker,
 			     FRF_AZ_KER_INT_KER, force,
 			     FRF_AZ_DRV_INT_EN_KER, enabled);
-	falcon_write(efx, &int_en_reg_ker, FR_AZ_INT_EN_KER);
+	efx_writeo(efx, &int_en_reg_ker, FR_AZ_INT_EN_KER);
 }
 
 void falcon_enable_interrupts(struct efx_nic *efx)
@@ -1341,7 +1348,7 @@ void falcon_enable_interrupts(struct efx_nic *efx)
 			     FRF_AZ_NORM_INT_VEC_DIS_KER,
 			     EFX_INT_MODE_USE_MSI(efx),
 			     FRF_AZ_INT_ADR_KER, efx->irq_status.dma_addr);
-	falcon_write(efx, &int_adr_reg_ker, FR_AZ_INT_ADR_KER);
+	efx_writeo(efx, &int_adr_reg_ker, FR_AZ_INT_ADR_KER);
 
 	/* Enable interrupts */
 	falcon_interrupts(efx, 1, 0);
@@ -1382,8 +1389,8 @@ static inline void falcon_irq_ack_a1(struct efx_nic *efx)
 	efx_dword_t reg;
 
 	EFX_POPULATE_DWORD_1(reg, FRF_AA_INT_ACK_KER_FIELD, 0xb7eb7e);
-	falcon_writel(efx, &reg, FR_AA_INT_ACK_KER);
-	falcon_readl(efx, &reg, FR_AA_WORK_AROUND_BROKEN_PCI_READS);
+	efx_writed(efx, &reg, FR_AA_INT_ACK_KER);
+	efx_readd(efx, &reg, FR_AA_WORK_AROUND_BROKEN_PCI_READS);
 }
 
 /* Process a fatal interrupt
@@ -1396,7 +1403,7 @@ static irqreturn_t falcon_fatal_interrupt(struct efx_nic *efx)
 	efx_oword_t fatal_intr;
 	int error, mem_perr;
 
-	falcon_read(efx, &fatal_intr, FR_AZ_FATAL_INTR_KER);
+	efx_reado(efx, &fatal_intr, FR_AZ_FATAL_INTR_KER);
 	error = EFX_OWORD_FIELD(fatal_intr, FRF_AZ_FATAL_INTR);
 
 	EFX_ERR(efx, "SYSTEM ERROR " EFX_OWORD_FMT " status "
@@ -1410,7 +1417,7 @@ static irqreturn_t falcon_fatal_interrupt(struct efx_nic *efx)
 	mem_perr = EFX_OWORD_FIELD(fatal_intr, FRF_AZ_MEM_PERR_INT_KER);
 	if (mem_perr) {
 		efx_oword_t reg;
-		falcon_read(efx, &reg, FR_AZ_MEM_STAT);
+		efx_reado(efx, &reg, FR_AZ_MEM_STAT);
 		EFX_ERR(efx, "SYSTEM ERROR: memory parity error "
 			EFX_OWORD_FMT "\n", EFX_OWORD_VAL(reg));
 	}
@@ -1454,7 +1461,7 @@ static irqreturn_t falcon_legacy_interrupt_b0(int irq, void *dev_id)
 	int syserr;
 
 	/* Read the ISR which also ACKs the interrupts */
-	falcon_readl(efx, &reg, FR_BZ_INT_ISR0);
+	efx_readd(efx, &reg, FR_BZ_INT_ISR0);
 	queues = EFX_EXTRACT_DWORD(reg, 0, 31);
 
 	/* Check to see if we have a serious error condition */
@@ -1576,7 +1583,7 @@ static void falcon_setup_rss_indir_table(struct efx_nic *efx)
 	     offset += 0x10) {
 		EFX_POPULATE_DWORD_1(dword, FRF_BZ_IT_QUEUE,
 				     i % efx->n_rx_queues);
-		falcon_writel(efx, &dword, offset);
+		efx_writed(efx, &dword, offset);
 		i++;
 	}
 }
@@ -1639,7 +1646,7 @@ void falcon_fini_interrupt(struct efx_nic *efx)
 
 	/* ACK legacy interrupt */
 	if (falcon_rev(efx) >= FALCON_REV_B0)
-		falcon_read(efx, &reg, FR_BZ_INT_ISR0);
+		efx_reado(efx, &reg, FR_BZ_INT_ISR0);
 	else
 		falcon_irq_ack_a1(efx);
 
@@ -1660,7 +1667,7 @@ void falcon_fini_interrupt(struct efx_nic *efx)
 static int falcon_spi_poll(struct efx_nic *efx)
 {
 	efx_oword_t reg;
-	falcon_read(efx, &reg, FR_AB_EE_SPI_HCMD);
+	efx_reado(efx, &reg, FR_AB_EE_SPI_HCMD);
 	return EFX_OWORD_FIELD(reg, FRF_AB_EE_SPI_HCMD_CMD_EN) ? -EBUSY : 0;
 }
 
@@ -1714,13 +1721,13 @@ int falcon_spi_cmd(const struct efx_spi_device *spi,
 	/* Program address register, if we have an address */
 	if (addressed) {
 		EFX_POPULATE_OWORD_1(reg, FRF_AB_EE_SPI_HADR_ADR, address);
-		falcon_write(efx, &reg, FR_AB_EE_SPI_HADR);
+		efx_writeo(efx, &reg, FR_AB_EE_SPI_HADR);
 	}
 
 	/* Program data register, if we have data */
 	if (in != NULL) {
 		memcpy(&reg, in, len);
-		falcon_write(efx, &reg, FR_AB_EE_SPI_HDATA);
+		efx_writeo(efx, &reg, FR_AB_EE_SPI_HDATA);
 	}
 
 	/* Issue read/write command */
@@ -1733,7 +1740,7 @@ int falcon_spi_cmd(const struct efx_spi_device *spi,
 			     FRF_AB_EE_SPI_HCMD_ADBCNT,
 			     (addressed ? spi->addr_len : 0),
 			     FRF_AB_EE_SPI_HCMD_ENC, command);
-	falcon_write(efx, &reg, FR_AB_EE_SPI_HCMD);
+	efx_writeo(efx, &reg, FR_AB_EE_SPI_HCMD);
 
 	/* Wait for read/write to complete */
 	rc = falcon_spi_wait(efx);
@@ -1742,7 +1749,7 @@ int falcon_spi_cmd(const struct efx_spi_device *spi,
 
 	/* Read data */
 	if (out != NULL) {
-		falcon_read(efx, &reg, FR_AB_EE_SPI_HDATA);
+		efx_reado(efx, &reg, FR_AB_EE_SPI_HDATA);
 		memcpy(out, &reg, len);
 	}
 
@@ -1884,19 +1891,19 @@ static int falcon_reset_macs(struct efx_nic *efx)
 		 */
 		if (!EFX_IS10G(efx)) {
 			EFX_POPULATE_OWORD_1(reg, FRF_AB_GM_SW_RST, 1);
-			falcon_write(efx, &reg, FR_AB_GM_CFG1);
+			efx_writeo(efx, &reg, FR_AB_GM_CFG1);
 			udelay(1000);
 
 			EFX_POPULATE_OWORD_1(reg, FRF_AB_GM_SW_RST, 0);
-			falcon_write(efx, &reg, FR_AB_GM_CFG1);
+			efx_writeo(efx, &reg, FR_AB_GM_CFG1);
 			udelay(1000);
 			return 0;
 		} else {
 			EFX_POPULATE_OWORD_1(reg, FRF_AB_XM_CORE_RST, 1);
-			falcon_write(efx, &reg, FR_AB_XM_GLB_CFG);
+			efx_writeo(efx, &reg, FR_AB_XM_GLB_CFG);
 
 			for (count = 0; count < 10000; count++) {
-				falcon_read(efx, &reg, FR_AB_XM_GLB_CFG);
+				efx_reado(efx, &reg, FR_AB_XM_GLB_CFG);
 				if (EFX_OWORD_FIELD(reg, FRF_AB_XM_CORE_RST) ==
 				    0)
 					return 0;
@@ -1912,19 +1919,19 @@ static int falcon_reset_macs(struct efx_nic *efx)
 	 * the drain sequence with the statistics fetch */
 	efx_stats_disable(efx);
 
-	falcon_read(efx, &reg, FR_AB_MAC_CTRL);
+	efx_reado(efx, &reg, FR_AB_MAC_CTRL);
 	EFX_SET_OWORD_FIELD(reg, FRF_BB_TXFIFO_DRAIN_EN, 1);
-	falcon_write(efx, &reg, FR_AB_MAC_CTRL);
+	efx_writeo(efx, &reg, FR_AB_MAC_CTRL);
 
-	falcon_read(efx, &reg, FR_AB_GLB_CTL);
+	efx_reado(efx, &reg, FR_AB_GLB_CTL);
 	EFX_SET_OWORD_FIELD(reg, FRF_AB_RST_XGTX, 1);
 	EFX_SET_OWORD_FIELD(reg, FRF_AB_RST_XGRX, 1);
 	EFX_SET_OWORD_FIELD(reg, FRF_AB_RST_EM, 1);
-	falcon_write(efx, &reg, FR_AB_GLB_CTL);
+	efx_writeo(efx, &reg, FR_AB_GLB_CTL);
 
 	count = 0;
 	while (1) {
-		falcon_read(efx, &reg, FR_AB_GLB_CTL);
+		efx_reado(efx, &reg, FR_AB_GLB_CTL);
 		if (!EFX_OWORD_FIELD(reg, FRF_AB_RST_XGTX) &&
 		    !EFX_OWORD_FIELD(reg, FRF_AB_RST_XGRX) &&
 		    !EFX_OWORD_FIELD(reg, FRF_AB_RST_EM)) {
@@ -1958,7 +1965,7 @@ void falcon_drain_tx_fifo(struct efx_nic *efx)
 	    (efx->loopback_mode != LOOPBACK_NONE))
 		return;
 
-	falcon_read(efx, &reg, FR_AB_MAC_CTRL);
+	efx_reado(efx, &reg, FR_AB_MAC_CTRL);
 	/* There is no point in draining more than once */
 	if (EFX_OWORD_FIELD(reg, FRF_BB_TXFIFO_DRAIN_EN))
 		return;
@@ -1974,9 +1981,9 @@ void falcon_deconfigure_mac_wrapper(struct efx_nic *efx)
 		return;
 
 	/* Isolate the MAC -> RX */
-	falcon_read(efx, &reg, FR_AZ_RX_CFG);
+	efx_reado(efx, &reg, FR_AZ_RX_CFG);
 	EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_INGR_EN, 0);
-	falcon_write(efx, &reg, FR_AZ_RX_CFG);
+	efx_writeo(efx, &reg, FR_AZ_RX_CFG);
 
 	if (!efx->link_up)
 		falcon_drain_tx_fifo(efx);
@@ -2011,7 +2018,7 @@ void falcon_reconfigure_mac_wrapper(struct efx_nic *efx)
 				    !efx->link_up);
 	}
 
-	falcon_write(efx, &reg, FR_AB_MAC_CTRL);
+	efx_writeo(efx, &reg, FR_AB_MAC_CTRL);
 
 	/* Restore the multicast hash registers. */
 	falcon_set_multicast_hash(efx);
@@ -2020,13 +2027,13 @@ void falcon_reconfigure_mac_wrapper(struct efx_nic *efx)
 	 * covered by RX_XOFF_MAC_EN and XM_TX_CFG_REG:XM_FCNTL.
 	 * Action on receipt of pause frames is controller by XM_DIS_FCNTL */
 	tx_fc = !!(efx->link_fc & EFX_FC_TX);
-	falcon_read(efx, &reg, FR_AZ_RX_CFG);
+	efx_reado(efx, &reg, FR_AZ_RX_CFG);
 	EFX_SET_OWORD_FIELD(reg, FRF_AZ_RX_XOFF_MAC_EN, tx_fc);
 
 	/* Unisolate the MAC -> RX */
 	if (falcon_rev(efx) >= FALCON_REV_B0)
 		EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_INGR_EN, 1);
-	falcon_write(efx, &reg, FR_AZ_RX_CFG);
+	efx_writeo(efx, &reg, FR_AZ_RX_CFG);
 }
 
 int falcon_dma_stats(struct efx_nic *efx, unsigned int done_offset)
@@ -2041,7 +2048,7 @@ int falcon_dma_stats(struct efx_nic *efx, unsigned int done_offset)
 	/* Statistics fetch will fail if the MAC is in TX drain */
 	if (falcon_rev(efx) >= FALCON_REV_B0) {
 		efx_oword_t temp;
-		falcon_read(efx, &temp, FR_AB_MAC_CTRL);
+		efx_reado(efx, &temp, FR_AB_MAC_CTRL);
 		if (EFX_OWORD_FIELD(temp, FRF_BB_TXFIFO_DRAIN_EN))
 			return 0;
 	}
@@ -2055,7 +2062,7 @@ int falcon_dma_stats(struct efx_nic *efx, unsigned int done_offset)
 			     FRF_AB_MAC_STAT_DMA_CMD, 1,
 			     FRF_AB_MAC_STAT_DMA_ADR,
 			     efx->stats_buffer.dma_addr);
-	falcon_write(efx, &reg, FR_AB_MAC_STAT_DMA);
+	efx_writeo(efx, &reg, FR_AB_MAC_STAT_DMA);
 
 	/* Wait for transfer to complete */
 	for (i = 0; i < 400; i++) {
@@ -2085,7 +2092,7 @@ static int falcon_gmii_wait(struct efx_nic *efx)
 
 	/* wait upto 50ms - taken max from datasheet */
 	for (count = 0; count < 5000; count++) {
-		falcon_readl(efx, &md_stat, FR_AB_MD_STAT);
+		efx_readd(efx, &md_stat, FR_AB_MD_STAT);
 		if (EFX_DWORD_FIELD(md_stat, FRF_AB_MD_BSY) == 0) {
 			if (EFX_DWORD_FIELD(md_stat, FRF_AB_MD_LNFL) != 0 ||
 			    EFX_DWORD_FIELD(md_stat, FRF_AB_MD_BSERR) != 0) {
@@ -2122,20 +2129,20 @@ static int falcon_mdio_write(struct net_device *net_dev,
 
 	/* Write the address/ID register */
 	EFX_POPULATE_OWORD_1(reg, FRF_AB_MD_PHY_ADR, addr);
-	falcon_write(efx, &reg, FR_AB_MD_PHY_ADR);
+	efx_writeo(efx, &reg, FR_AB_MD_PHY_ADR);
 
 	EFX_POPULATE_OWORD_2(reg, FRF_AB_MD_PRT_ADR, prtad,
 			     FRF_AB_MD_DEV_ADR, devad);
-	falcon_write(efx, &reg, FR_AB_MD_ID);
+	efx_writeo(efx, &reg, FR_AB_MD_ID);
 
 	/* Write data */
 	EFX_POPULATE_OWORD_1(reg, FRF_AB_MD_TXD, value);
-	falcon_write(efx, &reg, FR_AB_MD_TXD);
+	efx_writeo(efx, &reg, FR_AB_MD_TXD);
 
 	EFX_POPULATE_OWORD_2(reg,
 			     FRF_AB_MD_WRC, 1,
 			     FRF_AB_MD_GC, 0);
-	falcon_write(efx, &reg, FR_AB_MD_CS);
+	efx_writeo(efx, &reg, FR_AB_MD_CS);
 
 	/* Wait for data to be written */
 	rc = falcon_gmii_wait(efx);
@@ -2144,7 +2151,7 @@ static int falcon_mdio_write(struct net_device *net_dev,
 		EFX_POPULATE_OWORD_2(reg,
 				     FRF_AB_MD_WRC, 0,
 				     FRF_AB_MD_GC, 1);
-		falcon_write(efx, &reg, FR_AB_MD_CS);
+		efx_writeo(efx, &reg, FR_AB_MD_CS);
 		udelay(10);
 	}
 
@@ -2169,20 +2176,20 @@ static int falcon_mdio_read(struct net_device *net_dev,
 		goto out;
 
 	EFX_POPULATE_OWORD_1(reg, FRF_AB_MD_PHY_ADR, addr);
-	falcon_write(efx, &reg, FR_AB_MD_PHY_ADR);
+	efx_writeo(efx, &reg, FR_AB_MD_PHY_ADR);
 
 	EFX_POPULATE_OWORD_2(reg, FRF_AB_MD_PRT_ADR, prtad,
 			     FRF_AB_MD_DEV_ADR, devad);
-	falcon_write(efx, &reg, FR_AB_MD_ID);
+	efx_writeo(efx, &reg, FR_AB_MD_ID);
 
 	/* Request data to be read */
 	EFX_POPULATE_OWORD_2(reg, FRF_AB_MD_RDC, 1, FRF_AB_MD_GC, 0);
-	falcon_write(efx, &reg, FR_AB_MD_CS);
+	efx_writeo(efx, &reg, FR_AB_MD_CS);
 
 	/* Wait for data to become available */
 	rc = falcon_gmii_wait(efx);
 	if (rc == 0) {
-		falcon_read(efx, &reg, FR_AB_MD_RXD);
+		efx_reado(efx, &reg, FR_AB_MD_RXD);
 		rc = EFX_OWORD_FIELD(reg, FRF_AB_MD_RXD);
 		EFX_REGDUMP(efx, "read from MDIO %d register %d.%d, got %04x\n",
 			    prtad, devad, addr, rc);
@@ -2191,7 +2198,7 @@ static int falcon_mdio_read(struct net_device *net_dev,
 		EFX_POPULATE_OWORD_2(reg,
 				     FRF_AB_MD_RIC, 0,
 				     FRF_AB_MD_GC, 1);
-		falcon_write(efx, &reg, FR_AB_MD_CS);
+		efx_writeo(efx, &reg, FR_AB_MD_CS);
 
 		EFX_LOG(efx, "read from MDIO %d register %d.%d, got error %d\n",
 			prtad, devad, addr, rc);
@@ -2258,12 +2265,12 @@ int falcon_switch_mac(struct efx_nic *efx)
 
 	/* Always push the NIC_STAT_REG setting even if the mac hasn't
 	 * changed, because this function is run post online reset */
-	falcon_read(efx, &nic_stat, FR_AB_NIC_STAT);
+	efx_reado(efx, &nic_stat, FR_AB_NIC_STAT);
 	strap_val = EFX_IS10G(efx) ? 5 : 3;
 	if (falcon_rev(efx) >= FALCON_REV_B0) {
 		EFX_SET_OWORD_FIELD(nic_stat, FRF_BB_EE_STRAP_EN, 1);
 		EFX_SET_OWORD_FIELD(nic_stat, FRF_BB_EE_STRAP, strap_val);
-		falcon_write(efx, &nic_stat, FR_AB_NIC_STAT);
+		efx_writeo(efx, &nic_stat, FR_AB_NIC_STAT);
 	} else {
 		/* Falcon A1 does not support 1G/10G speed switching
 		 * and must not be used with a PHY that does. */
@@ -2341,8 +2348,8 @@ void falcon_set_multicast_hash(struct efx_nic *efx)
 	 */
 	set_bit_le(0xff, mc_hash->byte);
 
-	falcon_write(efx, &mc_hash->oword[0], FR_AB_MAC_MC_HASH_REG0);
-	falcon_write(efx, &mc_hash->oword[1], FR_AB_MAC_MC_HASH_REG1);
+	efx_writeo(efx, &mc_hash->oword[0], FR_AB_MAC_MC_HASH_REG0);
+	efx_writeo(efx, &mc_hash->oword[1], FR_AB_MAC_MC_HASH_REG1);
 }
 
 
@@ -2478,7 +2485,7 @@ int falcon_test_registers(struct efx_nic *efx)
 		mask = imask = efx_test_registers[i].mask;
 		EFX_INVERT_OWORD(imask);
 
-		falcon_read(efx, &original, address);
+		efx_reado(efx, &original, address);
 
 		/* bit sweep on and off */
 		for (j = 0; j < 128; j++) {
@@ -2489,8 +2496,8 @@ int falcon_test_registers(struct efx_nic *efx)
 			EFX_AND_OWORD(reg, original, mask);
 			EFX_SET_OWORD32(reg, j, j, 1);
 
-			falcon_write(efx, &reg, address);
-			falcon_read(efx, &buf, address);
+			efx_writeo(efx, &reg, address);
+			efx_reado(efx, &buf, address);
 
 			if (efx_masked_compare_oword(&reg, &buf, &mask))
 				goto fail;
@@ -2499,14 +2506,14 @@ int falcon_test_registers(struct efx_nic *efx)
 			EFX_OR_OWORD(reg, original, mask);
 			EFX_SET_OWORD32(reg, j, j, 0);
 
-			falcon_write(efx, &reg, address);
-			falcon_read(efx, &buf, address);
+			efx_writeo(efx, &reg, address);
+			efx_reado(efx, &buf, address);
 
 			if (efx_masked_compare_oword(&reg, &buf, &mask))
 				goto fail;
 		}
 
-		falcon_write(efx, &original, address);
+		efx_writeo(efx, &original, address);
 	}
 
 	return 0;
@@ -2571,7 +2578,7 @@ int falcon_reset_hw(struct efx_nic *efx, enum reset_type method)
 				     FFE_AB_EXT_PHY_RST_DUR_10240US,
 				     FRF_AB_SWRST, 1);
 	}
-	falcon_write(efx, &glb_ctl_reg_ker, FR_AB_GLB_CTL);
+	efx_writeo(efx, &glb_ctl_reg_ker, FR_AB_GLB_CTL);
 
 	EFX_LOG(efx, "waiting for hardware reset\n");
 	schedule_timeout_uninterruptible(HZ / 20);
@@ -2596,7 +2603,7 @@ int falcon_reset_hw(struct efx_nic *efx, enum reset_type method)
 	}
 
 	/* Assert that reset complete */
-	falcon_read(efx, &glb_ctl_reg_ker, FR_AB_GLB_CTL);
+	efx_reado(efx, &glb_ctl_reg_ker, FR_AB_GLB_CTL);
 	if (EFX_OWORD_FIELD(glb_ctl_reg_ker, FRF_AB_SWRST) != 0) {
 		rc = -ETIMEDOUT;
 		EFX_ERR(efx, "timed out waiting for hardware reset\n");
@@ -2625,16 +2632,16 @@ static int falcon_reset_sram(struct efx_nic *efx)
 	int count;
 
 	/* Set the SRAM wake/sleep GPIO appropriately. */
-	falcon_read(efx, &gpio_cfg_reg_ker, FR_AB_GPIO_CTL);
+	efx_reado(efx, &gpio_cfg_reg_ker, FR_AB_GPIO_CTL);
 	EFX_SET_OWORD_FIELD(gpio_cfg_reg_ker, FRF_AB_GPIO1_OEN, 1);
 	EFX_SET_OWORD_FIELD(gpio_cfg_reg_ker, FRF_AB_GPIO1_OUT, 1);
-	falcon_write(efx, &gpio_cfg_reg_ker, FR_AB_GPIO_CTL);
+	efx_writeo(efx, &gpio_cfg_reg_ker, FR_AB_GPIO_CTL);
 
 	/* Initiate SRAM reset */
 	EFX_POPULATE_OWORD_2(srm_cfg_reg_ker,
 			     FRF_AZ_SRM_INIT_EN, 1,
 			     FRF_AZ_SRM_NB_SZ, 0);
-	falcon_write(efx, &srm_cfg_reg_ker, FR_AZ_SRM_CFG);
+	efx_writeo(efx, &srm_cfg_reg_ker, FR_AZ_SRM_CFG);
 
 	/* Wait for SRAM reset to complete */
 	count = 0;
@@ -2645,7 +2652,7 @@ static int falcon_reset_sram(struct efx_nic *efx)
 		schedule_timeout_uninterruptible(HZ / 50);
 
 		/* Check for reset complete */
-		falcon_read(efx, &srm_cfg_reg_ker, FR_AZ_SRM_CFG);
+		efx_reado(efx, &srm_cfg_reg_ker, FR_AZ_SRM_CFG);
 		if (!EFX_OWORD_FIELD(srm_cfg_reg_ker, FRF_AZ_SRM_INIT_EN)) {
 			EFX_LOG(efx, "SRAM reset complete\n");
 
@@ -2771,13 +2778,13 @@ static int falcon_probe_nic_variant(struct efx_nic *efx)
 	efx_oword_t altera_build;
 	efx_oword_t nic_stat;
 
-	falcon_read(efx, &altera_build, FR_AZ_ALTERA_BUILD);
+	efx_reado(efx, &altera_build, FR_AZ_ALTERA_BUILD);
 	if (EFX_OWORD_FIELD(altera_build, FRF_AZ_ALTERA_BUILD_VER)) {
 		EFX_ERR(efx, "Falcon FPGA not supported\n");
 		return -ENODEV;
 	}
 
-	falcon_read(efx, &nic_stat, FR_AB_NIC_STAT);
+	efx_reado(efx, &nic_stat, FR_AB_NIC_STAT);
 
 	switch (falcon_rev(efx)) {
 	case FALCON_REV_A0:
@@ -2812,9 +2819,9 @@ static void falcon_probe_spi_devices(struct efx_nic *efx)
 	efx_oword_t nic_stat, gpio_ctl, ee_vpd_cfg;
 	int boot_dev;
 
-	falcon_read(efx, &gpio_ctl, FR_AB_GPIO_CTL);
-	falcon_read(efx, &nic_stat, FR_AB_NIC_STAT);
-	falcon_read(efx, &ee_vpd_cfg, FR_AB_EE_VPD_CFG0);
+	efx_reado(efx, &gpio_ctl, FR_AB_GPIO_CTL);
+	efx_reado(efx, &nic_stat, FR_AB_NIC_STAT);
+	efx_reado(efx, &ee_vpd_cfg, FR_AB_EE_VPD_CFG0);
 
 	if (EFX_OWORD_FIELD(gpio_ctl, FRF_AB_GPIO3_PWRUP_VALUE)) {
 		boot_dev = (EFX_OWORD_FIELD(nic_stat, FRF_AB_SF_PRST) ?
@@ -2832,7 +2839,7 @@ static void falcon_probe_spi_devices(struct efx_nic *efx)
 				     FRF_AB_EE_SF_CLOCK_DIV, 7,
 				     /* 125 MHz / 63 ~= 2 MHz */
 				     FRF_AB_EE_EE_CLOCK_DIV, 63);
-		falcon_write(efx, &ee_vpd_cfg, FR_AB_EE_VPD_CFG0);
+		efx_writeo(efx, &ee_vpd_cfg, FR_AB_EE_VPD_CFG0);
 	}
 
 	if (boot_dev == FFE_AB_SPI_DEVICE_FLASH)
@@ -2946,7 +2953,7 @@ static void falcon_init_rx_cfg(struct efx_nic *efx)
 	int data_xoff_thr = rx_xoff_thresh_bytes >> 8;
 	efx_oword_t reg;
 
-	falcon_read(efx, &reg, FR_AZ_RX_CFG);
+	efx_reado(efx, &reg, FR_AZ_RX_CFG);
 	if (falcon_rev(efx) <= FALCON_REV_A1) {
 		/* Data FIFO size is 5.5K */
 		if (data_xon_thr < 0)
@@ -2975,7 +2982,7 @@ static void falcon_init_rx_cfg(struct efx_nic *efx)
 		EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_XOFF_TX_TH, ctrl_xoff_thr);
 		EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_INGR_EN, 1);
 	}
-	falcon_write(efx, &reg, FR_AZ_RX_CFG);
+	efx_writeo(efx, &reg, FR_AZ_RX_CFG);
 }
 
 /* This call performs hardware-specific global initialisation, such as
@@ -2988,15 +2995,15 @@ int falcon_init_nic(struct efx_nic *efx)
 	int rc;
 
 	/* Use on-chip SRAM */
-	falcon_read(efx, &temp, FR_AB_NIC_STAT);
+	efx_reado(efx, &temp, FR_AB_NIC_STAT);
 	EFX_SET_OWORD_FIELD(temp, FRF_AB_ONCHIP_SRAM, 1);
-	falcon_write(efx, &temp, FR_AB_NIC_STAT);
+	efx_writeo(efx, &temp, FR_AB_NIC_STAT);
 
 	/* Set the source of the GMAC clock */
 	if (falcon_rev(efx) == FALCON_REV_B0) {
-		falcon_read(efx, &temp, FR_AB_GPIO_CTL);
+		efx_reado(efx, &temp, FR_AB_GPIO_CTL);
 		EFX_SET_OWORD_FIELD(temp, FRF_AB_USE_NIC_CLK, true);
-		falcon_write(efx, &temp, FR_AB_GPIO_CTL);
+		efx_writeo(efx, &temp, FR_AB_GPIO_CTL);
 	}
 
 	rc = falcon_reset_sram(efx);
@@ -3005,31 +3012,31 @@ int falcon_init_nic(struct efx_nic *efx)
 
 	/* Set positions of descriptor caches in SRAM. */
 	EFX_POPULATE_OWORD_1(temp, FRF_AZ_SRM_TX_DC_BASE_ADR, TX_DC_BASE / 8);
-	falcon_write(efx, &temp, FR_AZ_SRM_TX_DC_CFG);
+	efx_writeo(efx, &temp, FR_AZ_SRM_TX_DC_CFG);
 	EFX_POPULATE_OWORD_1(temp, FRF_AZ_SRM_RX_DC_BASE_ADR, RX_DC_BASE / 8);
-	falcon_write(efx, &temp, FR_AZ_SRM_RX_DC_CFG);
+	efx_writeo(efx, &temp, FR_AZ_SRM_RX_DC_CFG);
 
 	/* Set TX descriptor cache size. */
 	BUILD_BUG_ON(TX_DC_ENTRIES != (16 << TX_DC_ENTRIES_ORDER));
 	EFX_POPULATE_OWORD_1(temp, FRF_AZ_TX_DC_SIZE, TX_DC_ENTRIES_ORDER);
-	falcon_write(efx, &temp, FR_AZ_TX_DC_CFG);
+	efx_writeo(efx, &temp, FR_AZ_TX_DC_CFG);
 
 	/* Set RX descriptor cache size.  Set low watermark to size-8, as
 	 * this allows most efficient prefetching.
 	 */
 	BUILD_BUG_ON(RX_DC_ENTRIES != (16 << RX_DC_ENTRIES_ORDER));
 	EFX_POPULATE_OWORD_1(temp, FRF_AZ_RX_DC_SIZE, RX_DC_ENTRIES_ORDER);
-	falcon_write(efx, &temp, FR_AZ_RX_DC_CFG);
+	efx_writeo(efx, &temp, FR_AZ_RX_DC_CFG);
 	EFX_POPULATE_OWORD_1(temp, FRF_AZ_RX_DC_PF_LWM, RX_DC_ENTRIES - 8);
-	falcon_write(efx, &temp, FR_AZ_RX_DC_PF_WM);
+	efx_writeo(efx, &temp, FR_AZ_RX_DC_PF_WM);
 
 	/* Clear the parity enables on the TX data fifos as
 	 * they produce false parity errors because of timing issues
 	 */
 	if (EFX_WORKAROUND_5129(efx)) {
-		falcon_read(efx, &temp, FR_AZ_CSR_SPARE);
+		efx_reado(efx, &temp, FR_AZ_CSR_SPARE);
 		EFX_SET_OWORD_FIELD(temp, FRF_AB_MEM_PERR_EN_TX_DATA, 0);
-		falcon_write(efx, &temp, FR_AZ_CSR_SPARE);
+		efx_writeo(efx, &temp, FR_AZ_CSR_SPARE);
 	}
 
 	/* Enable all the genuinely fatal interrupts.  (They are still
@@ -3043,15 +3050,15 @@ int falcon_init_nic(struct efx_nic *efx)
 			     FRF_AZ_RBUF_OWN_INT_KER_EN, 1,
 			     FRF_AZ_TBUF_OWN_INT_KER_EN, 1);
 	EFX_INVERT_OWORD(temp);
-	falcon_write(efx, &temp, FR_AZ_FATAL_INTR_KER);
+	efx_writeo(efx, &temp, FR_AZ_FATAL_INTR_KER);
 
 	if (EFX_WORKAROUND_7244(efx)) {
-		falcon_read(efx, &temp, FR_BZ_RX_FILTER_CTL);
+		efx_reado(efx, &temp, FR_BZ_RX_FILTER_CTL);
 		EFX_SET_OWORD_FIELD(temp, FRF_BZ_UDP_FULL_SRCH_LIMIT, 8);
 		EFX_SET_OWORD_FIELD(temp, FRF_BZ_UDP_WILD_SRCH_LIMIT, 8);
 		EFX_SET_OWORD_FIELD(temp, FRF_BZ_TCP_FULL_SRCH_LIMIT, 8);
 		EFX_SET_OWORD_FIELD(temp, FRF_BZ_TCP_WILD_SRCH_LIMIT, 8);
-		falcon_write(efx, &temp, FR_BZ_RX_FILTER_CTL);
+		efx_writeo(efx, &temp, FR_BZ_RX_FILTER_CTL);
 	}
 
 	falcon_setup_rss_indir_table(efx);
@@ -3060,17 +3067,17 @@ int falcon_init_nic(struct efx_nic *efx)
 	/* Setup RX.  Wait for descriptor is broken and must
 	 * be disabled.  RXDP recovery shouldn't be needed, but is.
 	 */
-	falcon_read(efx, &temp, FR_AA_RX_SELF_RST);
+	efx_reado(efx, &temp, FR_AA_RX_SELF_RST);
 	EFX_SET_OWORD_FIELD(temp, FRF_AA_RX_NODESC_WAIT_DIS, 1);
 	EFX_SET_OWORD_FIELD(temp, FRF_AA_RX_SELF_RST_EN, 1);
 	if (EFX_WORKAROUND_5583(efx))
 		EFX_SET_OWORD_FIELD(temp, FRF_AA_RX_ISCSI_DIS, 1);
-	falcon_write(efx, &temp, FR_AA_RX_SELF_RST);
+	efx_writeo(efx, &temp, FR_AA_RX_SELF_RST);
 
 	/* Disable the ugly timer-based TX DMA backoff and allow TX DMA to be
 	 * controlled by the RX FIFO fill level. Set arbitration to one pkt/Q.
 	 */
-	falcon_read(efx, &temp, FR_AZ_TX_RESERVED);
+	efx_reado(efx, &temp, FR_AZ_TX_RESERVED);
 	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_RX_SPACER, 0xfe);
 	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_RX_SPACER_EN, 1);
 	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_ONE_PKT_PER_Q, 1);
@@ -3083,21 +3090,21 @@ int falcon_init_nic(struct efx_nic *efx)
 	/* Squash TX of packets of 16 bytes or less */
 	if (falcon_rev(efx) >= FALCON_REV_B0 && EFX_WORKAROUND_9141(efx))
 		EFX_SET_OWORD_FIELD(temp, FRF_BZ_TX_FLUSH_MIN_LEN_EN, 1);
-	falcon_write(efx, &temp, FR_AZ_TX_RESERVED);
+	efx_writeo(efx, &temp, FR_AZ_TX_RESERVED);
 
 	/* Do not enable TX_NO_EOP_DISC_EN, since it limits packets to 16
 	 * descriptors (which is bad).
 	 */
-	falcon_read(efx, &temp, FR_AZ_TX_CFG);
+	efx_reado(efx, &temp, FR_AZ_TX_CFG);
 	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_NO_EOP_DISC_EN, 0);
-	falcon_write(efx, &temp, FR_AZ_TX_CFG);
+	efx_writeo(efx, &temp, FR_AZ_TX_CFG);
 
 	falcon_init_rx_cfg(efx);
 
 	/* Set destination of both TX and RX Flush events */
 	if (falcon_rev(efx) >= FALCON_REV_B0) {
 		EFX_POPULATE_OWORD_1(temp, FRF_BZ_FLS_EVQ_ID, 0);
-		falcon_write(efx, &temp, FR_BZ_DP_CTRL);
+		efx_writeo(efx, &temp, FR_BZ_DP_CTRL);
 	}
 
 	return 0;
@@ -3133,7 +3140,7 @@ void falcon_update_nic_stats(struct efx_nic *efx)
 {
 	efx_oword_t cnt;
 
-	falcon_read(efx, &cnt, FR_AZ_RX_NODESC_DROP);
+	efx_reado(efx, &cnt, FR_AZ_RX_NODESC_DROP);
 	efx->n_rx_nodesc_drop_cnt +=
 		EFX_OWORD_FIELD(cnt, FRF_AB_RX_NODESC_DROP_CNT);
 }
diff --git a/drivers/net/sfc/falcon_boards.c b/drivers/net/sfc/falcon_boards.c
index 68ca45c5d5d..3078c005811 100644
--- a/drivers/net/sfc/falcon_boards.c
+++ b/drivers/net/sfc/falcon_boards.c
@@ -14,7 +14,7 @@
 #include "efx.h"
 #include "falcon.h"
 #include "regs.h"
-#include "falcon_io.h"
+#include "io.h"
 #include "workarounds.h"
 
 /* Macros for unpacking the board revision */
@@ -332,14 +332,14 @@ static int sfn4111t_reset(struct efx_nic *efx)
 	 * FLASH_CFG_1 strap (GPIO 3) appropriately.  Only change the
 	 * output enables; the output levels should always be 0 (low)
 	 * and we rely on external pull-ups. */
-	falcon_read(efx, &reg, FR_AB_GPIO_CTL);
+	efx_reado(efx, &reg, FR_AB_GPIO_CTL);
 	EFX_SET_OWORD_FIELD(reg, FRF_AB_GPIO2_OEN, true);
-	falcon_write(efx, &reg, FR_AB_GPIO_CTL);
+	efx_writeo(efx, &reg, FR_AB_GPIO_CTL);
 	msleep(1000);
 	EFX_SET_OWORD_FIELD(reg, FRF_AB_GPIO2_OEN, false);
 	EFX_SET_OWORD_FIELD(reg, FRF_AB_GPIO3_OEN,
 			    !!(efx->phy_mode & PHY_MODE_SPECIAL));
-	falcon_write(efx, &reg, FR_AB_GPIO_CTL);
+	efx_writeo(efx, &reg, FR_AB_GPIO_CTL);
 	msleep(1);
 
 	mutex_unlock(&efx->i2c_adap.bus_lock);
diff --git a/drivers/net/sfc/falcon_gmac.c b/drivers/net/sfc/falcon_gmac.c
index 0d156c88ca4..8a1b80d1ff2 100644
--- a/drivers/net/sfc/falcon_gmac.c
+++ b/drivers/net/sfc/falcon_gmac.c
@@ -14,7 +14,7 @@
 #include "falcon.h"
 #include "mac.h"
 #include "regs.h"
-#include "falcon_io.h"
+#include "io.h"
 
 /**************************************************************************
  *
@@ -41,7 +41,7 @@ static void falcon_reconfigure_gmac(struct efx_nic *efx)
 			     FRF_AB_GM_TX_FC_EN, tx_fc,
 			     FRF_AB_GM_RX_EN, 1,
 			     FRF_AB_GM_RX_FC_EN, rx_fc);
-	falcon_write(efx, &reg, FR_AB_GM_CFG1);
+	efx_writeo(efx, &reg, FR_AB_GM_CFG1);
 	udelay(10);
 
 	/* Configuration register 2 */
@@ -53,13 +53,13 @@ static void falcon_reconfigure_gmac(struct efx_nic *efx)
 			     FRF_AB_GM_FD, efx->link_fd,
 			     FRF_AB_GM_PAMBL_LEN, 0x7/*datasheet recommended */);
 
-	falcon_write(efx, &reg, FR_AB_GM_CFG2);
+	efx_writeo(efx, &reg, FR_AB_GM_CFG2);
 	udelay(10);
 
 	/* Max frame len register */
 	max_frame_len = EFX_MAX_FRAME_LEN(efx->net_dev->mtu);
 	EFX_POPULATE_OWORD_1(reg, FRF_AB_GM_MAX_FLEN, max_frame_len);
-	falcon_write(efx, &reg, FR_AB_GM_MAX_FLEN);
+	efx_writeo(efx, &reg, FR_AB_GM_MAX_FLEN);
 	udelay(10);
 
 	/* FIFO configuration register 0 */
@@ -69,42 +69,42 @@ static void falcon_reconfigure_gmac(struct efx_nic *efx)
 			     FRF_AB_GMF_FRFENREQ, 1,
 			     FRF_AB_GMF_SRFENREQ, 1,
 			     FRF_AB_GMF_WTMENREQ, 1);
-	falcon_write(efx, &reg, FR_AB_GMF_CFG0);
+	efx_writeo(efx, &reg, FR_AB_GMF_CFG0);
 	udelay(10);
 
 	/* FIFO configuration register 1 */
 	EFX_POPULATE_OWORD_2(reg,
 			     FRF_AB_GMF_CFGFRTH, 0x12,
 			     FRF_AB_GMF_CFGXOFFRTX, 0xffff);
-	falcon_write(efx, &reg, FR_AB_GMF_CFG1);
+	efx_writeo(efx, &reg, FR_AB_GMF_CFG1);
 	udelay(10);
 
 	/* FIFO configuration register 2 */
 	EFX_POPULATE_OWORD_2(reg,
 			     FRF_AB_GMF_CFGHWM, 0x3f,
 			     FRF_AB_GMF_CFGLWM, 0xa);
-	falcon_write(efx, &reg, FR_AB_GMF_CFG2);
+	efx_writeo(efx, &reg, FR_AB_GMF_CFG2);
 	udelay(10);
 
 	/* FIFO configuration register 3 */
 	EFX_POPULATE_OWORD_2(reg,
 			     FRF_AB_GMF_CFGHWMFT, 0x1c,
 			     FRF_AB_GMF_CFGFTTH, 0x08);
-	falcon_write(efx, &reg, FR_AB_GMF_CFG3);
+	efx_writeo(efx, &reg, FR_AB_GMF_CFG3);
 	udelay(10);
 
 	/* FIFO configuration register 4 */
 	EFX_POPULATE_OWORD_1(reg, FRF_AB_GMF_HSTFLTRFRM_PAUSE, 1);
-	falcon_write(efx, &reg, FR_AB_GMF_CFG4);
+	efx_writeo(efx, &reg, FR_AB_GMF_CFG4);
 	udelay(10);
 
 	/* FIFO configuration register 5 */
-	falcon_read(efx, &reg, FR_AB_GMF_CFG5);
+	efx_reado(efx, &reg, FR_AB_GMF_CFG5);
 	EFX_SET_OWORD_FIELD(reg, FRF_AB_GMF_CFGBYTMODE, bytemode);
 	EFX_SET_OWORD_FIELD(reg, FRF_AB_GMF_CFGHDPLX, !efx->link_fd);
 	EFX_SET_OWORD_FIELD(reg, FRF_AB_GMF_HSTDRPLT64, !efx->link_fd);
 	EFX_SET_OWORD_FIELD(reg, FRF_AB_GMF_HSTFLTRFRMDC_PAUSE, 0);
-	falcon_write(efx, &reg, FR_AB_GMF_CFG5);
+	efx_writeo(efx, &reg, FR_AB_GMF_CFG5);
 	udelay(10);
 
 	/* MAC address */
@@ -113,12 +113,12 @@ static void falcon_reconfigure_gmac(struct efx_nic *efx)
 			     FRF_AB_GM_ADR_B1, efx->net_dev->dev_addr[4],
 			     FRF_AB_GM_ADR_B2, efx->net_dev->dev_addr[3],
 			     FRF_AB_GM_ADR_B3, efx->net_dev->dev_addr[2]);
-	falcon_write(efx, &reg, FR_AB_GM_ADR1);
+	efx_writeo(efx, &reg, FR_AB_GM_ADR1);
 	udelay(10);
 	EFX_POPULATE_OWORD_2(reg,
 			     FRF_AB_GM_ADR_B4, efx->net_dev->dev_addr[1],
 			     FRF_AB_GM_ADR_B5, efx->net_dev->dev_addr[0]);
-	falcon_write(efx, &reg, FR_AB_GM_ADR2);
+	efx_writeo(efx, &reg, FR_AB_GM_ADR2);
 	udelay(10);
 
 	falcon_reconfigure_mac_wrapper(efx);
diff --git a/drivers/net/sfc/falcon_io.h b/drivers/net/sfc/falcon_io.h
deleted file mode 100644
index 8883092dae9..00000000000
--- a/drivers/net/sfc/falcon_io.h
+++ /dev/null
@@ -1,258 +0,0 @@
-/****************************************************************************
- * Driver for Solarflare Solarstorm network controllers and boards
- * Copyright 2005-2006 Fen Systems Ltd.
- * Copyright 2006-2008 Solarflare Communications Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation, incorporated herein by reference.
- */
-
-#ifndef EFX_FALCON_IO_H
-#define EFX_FALCON_IO_H
-
-#include <linux/io.h>
-#include <linux/spinlock.h>
-
-/**************************************************************************
- *
- * Falcon hardware access
- *
- **************************************************************************
- *
- * Notes on locking strategy:
- *
- * Most Falcon registers require 16-byte (or 8-byte, for SRAM
- * registers) atomic writes which necessitates locking.
- * Under normal operation few writes to the Falcon BAR are made and these
- * registers (EVQ_RPTR_REG, RX_DESC_UPD_REG and TX_DESC_UPD_REG) are special
- * cased to allow 4-byte (hence lockless) accesses.
- *
- * It *is* safe to write to these 4-byte registers in the middle of an
- * access to an 8-byte or 16-byte register.  We therefore use a
- * spinlock to protect accesses to the larger registers, but no locks
- * for the 4-byte registers.
- *
- * A write barrier is needed to ensure that DW3 is written after DW0/1/2
- * due to the way the 16byte registers are "collected" in the Falcon BIU
- *
- * We also lock when carrying out reads, to ensure consistency of the
- * data (made possible since the BIU reads all 128 bits into a cache).
- * Reads are very rare, so this isn't a significant performance
- * impact.  (Most data transferred from NIC to host is DMAed directly
- * into host memory).
- *
- * I/O BAR access uses locks for both reads and writes (but is only provided
- * for testing purposes).
- */
-
-/* Special buffer descriptors (Falcon SRAM) */
-#define BUF_TBL_KER_A1 0x18000
-#define BUF_TBL_KER_B0 0x800000
-
-
-#if BITS_PER_LONG == 64
-#define FALCON_USE_QWORD_IO 1
-#endif
-
-#ifdef FALCON_USE_QWORD_IO
-static inline void _falcon_writeq(struct efx_nic *efx, __le64 value,
-				  unsigned int reg)
-{
-	__raw_writeq((__force u64)value, efx->membase + reg);
-}
-static inline __le64 _falcon_readq(struct efx_nic *efx, unsigned int reg)
-{
-	return (__force __le64)__raw_readq(efx->membase + reg);
-}
-#endif
-
-static inline void _falcon_writel(struct efx_nic *efx, __le32 value,
-				  unsigned int reg)
-{
-	__raw_writel((__force u32)value, efx->membase + reg);
-}
-static inline __le32 _falcon_readl(struct efx_nic *efx, unsigned int reg)
-{
-	return (__force __le32)__raw_readl(efx->membase + reg);
-}
-
-/* Writes to a normal 16-byte Falcon register, locking as appropriate. */
-static inline void falcon_write(struct efx_nic *efx, efx_oword_t *value,
-				unsigned int reg)
-{
-	unsigned long flags;
-
-	EFX_REGDUMP(efx, "writing register %x with " EFX_OWORD_FMT "\n", reg,
-		    EFX_OWORD_VAL(*value));
-
-	spin_lock_irqsave(&efx->biu_lock, flags);
-#ifdef FALCON_USE_QWORD_IO
-	_falcon_writeq(efx, value->u64[0], reg + 0);
-	wmb();
-	_falcon_writeq(efx, value->u64[1], reg + 8);
-#else
-	_falcon_writel(efx, value->u32[0], reg + 0);
-	_falcon_writel(efx, value->u32[1], reg + 4);
-	_falcon_writel(efx, value->u32[2], reg + 8);
-	wmb();
-	_falcon_writel(efx, value->u32[3], reg + 12);
-#endif
-	mmiowb();
-	spin_unlock_irqrestore(&efx->biu_lock, flags);
-}
-
-/* Writes to an 8-byte Falcon SRAM register, locking as appropriate. */
-static inline void falcon_write_sram(struct efx_nic *efx, efx_qword_t *value,
-				     unsigned int index)
-{
-	unsigned int reg = efx->type->buf_tbl_base + (index * sizeof(*value));
-	unsigned long flags;
-
-	EFX_REGDUMP(efx, "writing SRAM register %x with " EFX_QWORD_FMT "\n",
-		    reg, EFX_QWORD_VAL(*value));
-
-	spin_lock_irqsave(&efx->biu_lock, flags);
-#ifdef FALCON_USE_QWORD_IO
-	_falcon_writeq(efx, value->u64[0], reg + 0);
-#else
-	_falcon_writel(efx, value->u32[0], reg + 0);
-	wmb();
-	_falcon_writel(efx, value->u32[1], reg + 4);
-#endif
-	mmiowb();
-	spin_unlock_irqrestore(&efx->biu_lock, flags);
-}
-
-/* Write dword to Falcon register that allows partial writes
- *
- * Some Falcon registers (EVQ_RPTR_REG, RX_DESC_UPD_REG and
- * TX_DESC_UPD_REG) can be written to as a single dword.  This allows
- * for lockless writes.
- */
-static inline void falcon_writel(struct efx_nic *efx, efx_dword_t *value,
-				 unsigned int reg)
-{
-	EFX_REGDUMP(efx, "writing partial register %x with "EFX_DWORD_FMT"\n",
-		    reg, EFX_DWORD_VAL(*value));
-
-	/* No lock required */
-	_falcon_writel(efx, value->u32[0], reg);
-}
-
-/* Read from a Falcon register
- *
- * This reads an entire 16-byte Falcon register in one go, locking as
- * appropriate.  It is essential to read the first dword first, as this
- * prompts Falcon to load the current value into the shadow register.
- */
-static inline void falcon_read(struct efx_nic *efx, efx_oword_t *value,
-			       unsigned int reg)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&efx->biu_lock, flags);
-	value->u32[0] = _falcon_readl(efx, reg + 0);
-	rmb();
-	value->u32[1] = _falcon_readl(efx, reg + 4);
-	value->u32[2] = _falcon_readl(efx, reg + 8);
-	value->u32[3] = _falcon_readl(efx, reg + 12);
-	spin_unlock_irqrestore(&efx->biu_lock, flags);
-
-	EFX_REGDUMP(efx, "read from register %x, got " EFX_OWORD_FMT "\n", reg,
-		    EFX_OWORD_VAL(*value));
-}
-
-/* This reads an 8-byte Falcon SRAM entry in one go. */
-static inline void falcon_read_sram(struct efx_nic *efx, efx_qword_t *value,
-				    unsigned int index)
-{
-	unsigned int reg = efx->type->buf_tbl_base + (index * sizeof(*value));
-	unsigned long flags;
-
-	spin_lock_irqsave(&efx->biu_lock, flags);
-#ifdef FALCON_USE_QWORD_IO
-	value->u64[0] = _falcon_readq(efx, reg + 0);
-#else
-	value->u32[0] = _falcon_readl(efx, reg + 0);
-	rmb();
-	value->u32[1] = _falcon_readl(efx, reg + 4);
-#endif
-	spin_unlock_irqrestore(&efx->biu_lock, flags);
-
-	EFX_REGDUMP(efx, "read from SRAM register %x, got "EFX_QWORD_FMT"\n",
-		    reg, EFX_QWORD_VAL(*value));
-}
-
-/* Read dword from Falcon register that allows partial writes (sic) */
-static inline void falcon_readl(struct efx_nic *efx, efx_dword_t *value,
-				unsigned int reg)
-{
-	value->u32[0] = _falcon_readl(efx, reg);
-	EFX_REGDUMP(efx, "read from register %x, got "EFX_DWORD_FMT"\n",
-		    reg, EFX_DWORD_VAL(*value));
-}
-
-/* Write to a register forming part of a table */
-static inline void falcon_write_table(struct efx_nic *efx, efx_oword_t *value,
-				      unsigned int reg, unsigned int index)
-{
-	falcon_write(efx, value, reg + index * sizeof(efx_oword_t));
-}
-
-/* Read to a register forming part of a table */
-static inline void falcon_read_table(struct efx_nic *efx, efx_oword_t *value,
-				     unsigned int reg, unsigned int index)
-{
-	falcon_read(efx, value, reg + index * sizeof(efx_oword_t));
-}
-
-/* Write to a dword register forming part of a table */
-static inline void falcon_writel_table(struct efx_nic *efx, efx_dword_t *value,
-				       unsigned int reg, unsigned int index)
-{
-	falcon_writel(efx, value, reg + index * sizeof(efx_oword_t));
-}
-
-/* Page-mapped register block size */
-#define FALCON_PAGE_BLOCK_SIZE 0x2000
-
-/* Calculate offset to page-mapped register block */
-#define FALCON_PAGED_REG(page, reg) \
-	((page) * FALCON_PAGE_BLOCK_SIZE + (reg))
-
-/* As for falcon_write(), but for a page-mapped register. */
-static inline void falcon_write_page(struct efx_nic *efx, efx_oword_t *value,
-				     unsigned int reg, unsigned int page)
-{
-	falcon_write(efx, value, FALCON_PAGED_REG(page, reg));
-}
-
-/* As for falcon_writel(), but for a page-mapped register. */
-static inline void falcon_writel_page(struct efx_nic *efx, efx_dword_t *value,
-				      unsigned int reg, unsigned int page)
-{
-	falcon_writel(efx, value, FALCON_PAGED_REG(page, reg));
-}
-
-/* Write dword to Falcon page-mapped register with an extra lock.
- *
- * As for falcon_writel_page(), but for a register that suffers from
- * SFC bug 3181.  If writing to page 0, take out a lock so the BIU
- * collector cannot be confused.
- */
-static inline void falcon_writel_page_locked(struct efx_nic *efx,
-					     efx_dword_t *value,
-					     unsigned int reg,
-					     unsigned int page)
-{
-	unsigned long flags = 0;
-
-	if (page == 0)
-		spin_lock_irqsave(&efx->biu_lock, flags);
-	falcon_writel(efx, value, FALCON_PAGED_REG(page, reg));
-	if (page == 0)
-		spin_unlock_irqrestore(&efx->biu_lock, flags);
-}
-
-#endif /* EFX_FALCON_IO_H */
diff --git a/drivers/net/sfc/falcon_xmac.c b/drivers/net/sfc/falcon_xmac.c
index 44e65584ee3..7e57b4a54b3 100644
--- a/drivers/net/sfc/falcon_xmac.c
+++ b/drivers/net/sfc/falcon_xmac.c
@@ -13,7 +13,7 @@
 #include "efx.h"
 #include "falcon.h"
 #include "regs.h"
-#include "falcon_io.h"
+#include "io.h"
 #include "mac.h"
 #include "mdio_10g.h"
 #include "phy.h"
@@ -35,7 +35,7 @@ static void falcon_setup_xaui(struct efx_nic *efx)
 	if (efx->phy_type == PHY_TYPE_NONE)
 		return;
 
-	falcon_read(efx, &sdctl, FR_AB_XX_SD_CTL);
+	efx_reado(efx, &sdctl, FR_AB_XX_SD_CTL);
 	EFX_SET_OWORD_FIELD(sdctl, FRF_AB_XX_HIDRVD, FFE_AB_XX_SD_CTL_DRV_DEF);
 	EFX_SET_OWORD_FIELD(sdctl, FRF_AB_XX_LODRVD, FFE_AB_XX_SD_CTL_DRV_DEF);
 	EFX_SET_OWORD_FIELD(sdctl, FRF_AB_XX_HIDRVC, FFE_AB_XX_SD_CTL_DRV_DEF);
@@ -44,7 +44,7 @@ static void falcon_setup_xaui(struct efx_nic *efx)
 	EFX_SET_OWORD_FIELD(sdctl, FRF_AB_XX_LODRVB, FFE_AB_XX_SD_CTL_DRV_DEF);
 	EFX_SET_OWORD_FIELD(sdctl, FRF_AB_XX_HIDRVA, FFE_AB_XX_SD_CTL_DRV_DEF);
 	EFX_SET_OWORD_FIELD(sdctl, FRF_AB_XX_LODRVA, FFE_AB_XX_SD_CTL_DRV_DEF);
-	falcon_write(efx, &sdctl, FR_AB_XX_SD_CTL);
+	efx_writeo(efx, &sdctl, FR_AB_XX_SD_CTL);
 
 	EFX_POPULATE_OWORD_8(txdrv,
 			     FRF_AB_XX_DEQD, FFE_AB_XX_TXDRV_DEQ_DEF,
@@ -55,7 +55,7 @@ static void falcon_setup_xaui(struct efx_nic *efx)
 			     FRF_AB_XX_DTXC, FFE_AB_XX_TXDRV_DTX_DEF,
 			     FRF_AB_XX_DTXB, FFE_AB_XX_TXDRV_DTX_DEF,
 			     FRF_AB_XX_DTXA, FFE_AB_XX_TXDRV_DTX_DEF);
-	falcon_write(efx, &txdrv, FR_AB_XX_TXDRV_CTL);
+	efx_writeo(efx, &txdrv, FR_AB_XX_TXDRV_CTL);
 }
 
 int falcon_reset_xaui(struct efx_nic *efx)
@@ -65,11 +65,11 @@ int falcon_reset_xaui(struct efx_nic *efx)
 
 	/* Start reset sequence */
 	EFX_POPULATE_DWORD_1(reg, FRF_AB_XX_RST_XX_EN, 1);
-	falcon_write(efx, &reg, FR_AB_XX_PWR_RST);
+	efx_writeo(efx, &reg, FR_AB_XX_PWR_RST);
 
 	/* Wait up to 10 ms for completion, then reinitialise */
 	for (count = 0; count < 1000; count++) {
-		falcon_read(efx, &reg, FR_AB_XX_PWR_RST);
+		efx_reado(efx, &reg, FR_AB_XX_PWR_RST);
 		if (EFX_OWORD_FIELD(reg, FRF_AB_XX_RST_XX_EN) == 0 &&
 		    EFX_OWORD_FIELD(reg, FRF_AB_XX_SD_RST_ACT) == 0) {
 			falcon_setup_xaui(efx);
@@ -99,12 +99,12 @@ static void falcon_mask_status_intr(struct efx_nic *efx, bool enable)
 
 	/* Flush the ISR */
 	if (enable)
-		falcon_read(efx, &reg, FR_AB_XM_MGT_INT_MSK);
+		efx_reado(efx, &reg, FR_AB_XM_MGT_INT_MSK);
 
 	EFX_POPULATE_OWORD_2(reg,
 			     FRF_AB_XM_MSK_RMTFLT, !enable,
 			     FRF_AB_XM_MSK_LCLFLT, !enable);
-	falcon_write(efx, &reg, FR_AB_XM_MGT_INT_MASK);
+	efx_writeo(efx, &reg, FR_AB_XM_MGT_INT_MASK);
 }
 
 /* Get status of XAUI link */
@@ -118,7 +118,7 @@ bool falcon_xaui_link_ok(struct efx_nic *efx)
 		return true;
 
 	/* Read link status */
-	falcon_read(efx, &reg, FR_AB_XX_CORE_STAT);
+	efx_reado(efx, &reg, FR_AB_XX_CORE_STAT);
 
 	align_done = EFX_OWORD_FIELD(reg, FRF_AB_XX_ALIGN_DONE);
 	sync_status = EFX_OWORD_FIELD(reg, FRF_AB_XX_SYNC_STAT);
@@ -129,7 +129,7 @@ bool falcon_xaui_link_ok(struct efx_nic *efx)
 	EFX_SET_OWORD_FIELD(reg, FRF_AB_XX_COMMA_DET, FFE_AB_XX_STAT_ALL_LANES);
 	EFX_SET_OWORD_FIELD(reg, FRF_AB_XX_CHAR_ERR, FFE_AB_XX_STAT_ALL_LANES);
 	EFX_SET_OWORD_FIELD(reg, FRF_AB_XX_DISPERR, FFE_AB_XX_STAT_ALL_LANES);
-	falcon_write(efx, &reg, FR_AB_XX_CORE_STAT);
+	efx_writeo(efx, &reg, FR_AB_XX_CORE_STAT);
 
 	/* If the link is up, then check the phy side of the xaui link */
 	if (efx->link_up && link_ok)
@@ -150,7 +150,7 @@ static void falcon_reconfigure_xmac_core(struct efx_nic *efx)
 			     FRF_AB_XM_RX_JUMBO_MODE, 1,
 			     FRF_AB_XM_TX_STAT_EN, 1,
 			     FRF_AB_XM_RX_STAT_EN, 1);
-	falcon_write(efx, &reg, FR_AB_XM_GLB_CFG);
+	efx_writeo(efx, &reg, FR_AB_XM_GLB_CFG);
 
 	/* Configure TX */
 	EFX_POPULATE_DWORD_6(reg,
@@ -160,7 +160,7 @@ static void falcon_reconfigure_xmac_core(struct efx_nic *efx)
 			     FRF_AB_XM_TXCRC, 1,
 			     FRF_AB_XM_FCNTL, 1,
 			     FRF_AB_XM_IPG, 0x3);
-	falcon_write(efx, &reg, FR_AB_XM_TX_CFG);
+	efx_writeo(efx, &reg, FR_AB_XM_TX_CFG);
 
 	/* Configure RX */
 	EFX_POPULATE_DWORD_5(reg,
@@ -169,27 +169,27 @@ static void falcon_reconfigure_xmac_core(struct efx_nic *efx)
 			     FRF_AB_XM_ACPT_ALL_MCAST, 1,
 			     FRF_AB_XM_ACPT_ALL_UCAST, efx->promiscuous,
 			     FRF_AB_XM_PASS_CRC_ERR, 1);
-	falcon_write(efx, &reg, FR_AB_XM_RX_CFG);
+	efx_writeo(efx, &reg, FR_AB_XM_RX_CFG);
 
 	/* Set frame length */
 	max_frame_len = EFX_MAX_FRAME_LEN(efx->net_dev->mtu);
 	EFX_POPULATE_DWORD_1(reg, FRF_AB_XM_MAX_RX_FRM_SIZE, max_frame_len);
-	falcon_write(efx, &reg, FR_AB_XM_RX_PARAM);
+	efx_writeo(efx, &reg, FR_AB_XM_RX_PARAM);
 	EFX_POPULATE_DWORD_2(reg,
 			     FRF_AB_XM_MAX_TX_FRM_SIZE, max_frame_len,
 			     FRF_AB_XM_TX_JUMBO_MODE, 1);
-	falcon_write(efx, &reg, FR_AB_XM_TX_PARAM);
+	efx_writeo(efx, &reg, FR_AB_XM_TX_PARAM);
 
 	EFX_POPULATE_DWORD_2(reg,
 			     FRF_AB_XM_PAUSE_TIME, 0xfffe, /* MAX PAUSE TIME */
 			     FRF_AB_XM_DIS_FCNTL, !rx_fc);
-	falcon_write(efx, &reg, FR_AB_XM_FC);
+	efx_writeo(efx, &reg, FR_AB_XM_FC);
 
 	/* Set MAC address */
 	memcpy(&reg, &efx->net_dev->dev_addr[0], 4);
-	falcon_write(efx, &reg, FR_AB_XM_ADR_LO);
+	efx_writeo(efx, &reg, FR_AB_XM_ADR_LO);
 	memcpy(&reg, &efx->net_dev->dev_addr[4], 2);
-	falcon_write(efx, &reg, FR_AB_XM_ADR_HI);
+	efx_writeo(efx, &reg, FR_AB_XM_ADR_HI);
 }
 
 static void falcon_reconfigure_xgxs_core(struct efx_nic *efx)
@@ -205,12 +205,12 @@ static void falcon_reconfigure_xgxs_core(struct efx_nic *efx)
 		bool old_xgmii_loopback, old_xgxs_loopback, old_xaui_loopback;
 		bool reset_xgxs;
 
-		falcon_read(efx, &reg, FR_AB_XX_CORE_STAT);
+		efx_reado(efx, &reg, FR_AB_XX_CORE_STAT);
 		old_xgxs_loopback = EFX_OWORD_FIELD(reg, FRF_AB_XX_XGXS_LB_EN);
 		old_xgmii_loopback =
 			EFX_OWORD_FIELD(reg, FRF_AB_XX_XGMII_LB_EN);
 
-		falcon_read(efx, &reg, FR_AB_XX_SD_CTL);
+		efx_reado(efx, &reg, FR_AB_XX_SD_CTL);
 		old_xaui_loopback = EFX_OWORD_FIELD(reg, FRF_AB_XX_LPBKA);
 
 		/* The PHY driver may have turned XAUI off */
@@ -222,20 +222,20 @@ static void falcon_reconfigure_xgxs_core(struct efx_nic *efx)
 			falcon_reset_xaui(efx);
 	}
 
-	falcon_read(efx, &reg, FR_AB_XX_CORE_STAT);
+	efx_reado(efx, &reg, FR_AB_XX_CORE_STAT);
 	EFX_SET_OWORD_FIELD(reg, FRF_AB_XX_FORCE_SIG,
 			    (xgxs_loopback || xaui_loopback) ?
 			    FFE_AB_XX_FORCE_SIG_ALL_LANES : 0);
 	EFX_SET_OWORD_FIELD(reg, FRF_AB_XX_XGXS_LB_EN, xgxs_loopback);
 	EFX_SET_OWORD_FIELD(reg, FRF_AB_XX_XGMII_LB_EN, xgmii_loopback);
-	falcon_write(efx, &reg, FR_AB_XX_CORE_STAT);
+	efx_writeo(efx, &reg, FR_AB_XX_CORE_STAT);
 
-	falcon_read(efx, &reg, FR_AB_XX_SD_CTL);
+	efx_reado(efx, &reg, FR_AB_XX_SD_CTL);
 	EFX_SET_OWORD_FIELD(reg, FRF_AB_XX_LPBKD, xaui_loopback);
 	EFX_SET_OWORD_FIELD(reg, FRF_AB_XX_LPBKC, xaui_loopback);
 	EFX_SET_OWORD_FIELD(reg, FRF_AB_XX_LPBKB, xaui_loopback);
 	EFX_SET_OWORD_FIELD(reg, FRF_AB_XX_LPBKA, xaui_loopback);
-	falcon_write(efx, &reg, FR_AB_XX_SD_CTL);
+	efx_writeo(efx, &reg, FR_AB_XX_SD_CTL);
 }
 
 
diff --git a/drivers/net/sfc/io.h b/drivers/net/sfc/io.h
new file mode 100644
index 00000000000..b89177c27f4
--- /dev/null
+++ b/drivers/net/sfc/io.h
@@ -0,0 +1,256 @@
+/****************************************************************************
+ * Driver for Solarflare Solarstorm network controllers and boards
+ * Copyright 2005-2006 Fen Systems Ltd.
+ * Copyright 2006-2009 Solarflare Communications Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation, incorporated herein by reference.
+ */
+
+#ifndef EFX_IO_H
+#define EFX_IO_H
+
+#include <linux/io.h>
+#include <linux/spinlock.h>
+
+/**************************************************************************
+ *
+ * NIC register I/O
+ *
+ **************************************************************************
+ *
+ * Notes on locking strategy:
+ *
+ * Most NIC registers require 16-byte (or 8-byte, for SRAM) atomic writes
+ * which necessitates locking.
+ * Under normal operation few writes to NIC registers are made and these
+ * registers (EVQ_RPTR_REG, RX_DESC_UPD_REG and TX_DESC_UPD_REG) are special
+ * cased to allow 4-byte (hence lockless) accesses.
+ *
+ * It *is* safe to write to these 4-byte registers in the middle of an
+ * access to an 8-byte or 16-byte register.  We therefore use a
+ * spinlock to protect accesses to the larger registers, but no locks
+ * for the 4-byte registers.
+ *
+ * A write barrier is needed to ensure that DW3 is written after DW0/1/2
+ * due to the way the 16byte registers are "collected" in the BIU.
+ *
+ * We also lock when carrying out reads, to ensure consistency of the
+ * data (made possible since the BIU reads all 128 bits into a cache).
+ * Reads are very rare, so this isn't a significant performance
+ * impact.  (Most data transferred from NIC to host is DMAed directly
+ * into host memory).
+ *
+ * I/O BAR access uses locks for both reads and writes (but is only provided
+ * for testing purposes).
+ */
+
+#if BITS_PER_LONG == 64
+#define EFX_USE_QWORD_IO 1
+#endif
+
+#ifdef EFX_USE_QWORD_IO
+static inline void _efx_writeq(struct efx_nic *efx, __le64 value,
+				  unsigned int reg)
+{
+	__raw_writeq((__force u64)value, efx->membase + reg);
+}
+static inline __le64 _efx_readq(struct efx_nic *efx, unsigned int reg)
+{
+	return (__force __le64)__raw_readq(efx->membase + reg);
+}
+#endif
+
+static inline void _efx_writed(struct efx_nic *efx, __le32 value,
+				  unsigned int reg)
+{
+	__raw_writel((__force u32)value, efx->membase + reg);
+}
+static inline __le32 _efx_readd(struct efx_nic *efx, unsigned int reg)
+{
+	return (__force __le32)__raw_readl(efx->membase + reg);
+}
+
+/* Writes to a normal 16-byte Efx register, locking as appropriate. */
+static inline void efx_writeo(struct efx_nic *efx, efx_oword_t *value,
+			      unsigned int reg)
+{
+	unsigned long flags __attribute__ ((unused));
+
+	EFX_REGDUMP(efx, "writing register %x with " EFX_OWORD_FMT "\n", reg,
+		    EFX_OWORD_VAL(*value));
+
+	spin_lock_irqsave(&efx->biu_lock, flags);
+#ifdef EFX_USE_QWORD_IO
+	_efx_writeq(efx, value->u64[0], reg + 0);
+	wmb();
+	_efx_writeq(efx, value->u64[1], reg + 8);
+#else
+	_efx_writed(efx, value->u32[0], reg + 0);
+	_efx_writed(efx, value->u32[1], reg + 4);
+	_efx_writed(efx, value->u32[2], reg + 8);
+	wmb();
+	_efx_writed(efx, value->u32[3], reg + 12);
+#endif
+	mmiowb();
+	spin_unlock_irqrestore(&efx->biu_lock, flags);
+}
+
+/* Write an 8-byte NIC SRAM entry through the supplied mapping,
+ * locking as appropriate. */
+static inline void efx_sram_writeq(struct efx_nic *efx, void __iomem *membase,
+				   efx_qword_t *value, unsigned int index)
+{
+	unsigned int addr = index * sizeof(*value);
+	unsigned long flags __attribute__ ((unused));
+
+	EFX_REGDUMP(efx, "writing SRAM address %x with " EFX_QWORD_FMT "\n",
+		    addr, EFX_QWORD_VAL(*value));
+
+	spin_lock_irqsave(&efx->biu_lock, flags);
+#ifdef EFX_USE_QWORD_IO
+	__raw_writeq((__force u64)value->u64[0], membase + addr);
+#else
+	__raw_writel((__force u32)value->u32[0], membase + addr);
+	wmb();
+	__raw_writel((__force u32)value->u32[1], membase + addr + 4);
+#endif
+	mmiowb();
+	spin_unlock_irqrestore(&efx->biu_lock, flags);
+}
+
+/* Write dword to NIC register that allows partial writes
+ *
+ * Some registers (EVQ_RPTR_REG, RX_DESC_UPD_REG and
+ * TX_DESC_UPD_REG) can be written to as a single dword.  This allows
+ * for lockless writes.
+ */
+static inline void efx_writed(struct efx_nic *efx, efx_dword_t *value,
+			      unsigned int reg)
+{
+	EFX_REGDUMP(efx, "writing partial register %x with "EFX_DWORD_FMT"\n",
+		    reg, EFX_DWORD_VAL(*value));
+
+	/* No lock required */
+	_efx_writed(efx, value->u32[0], reg);
+}
+
+/* Read from a NIC register
+ *
+ * This reads an entire 16-byte register in one go, locking as
+ * appropriate.  It is essential to read the first dword first, as this
+ * prompts the NIC to load the current value into the shadow register.
+ */
+static inline void efx_reado(struct efx_nic *efx, efx_oword_t *value,
+			     unsigned int reg)
+{
+	unsigned long flags __attribute__ ((unused));
+
+	spin_lock_irqsave(&efx->biu_lock, flags);
+	value->u32[0] = _efx_readd(efx, reg + 0);
+	rmb();
+	value->u32[1] = _efx_readd(efx, reg + 4);
+	value->u32[2] = _efx_readd(efx, reg + 8);
+	value->u32[3] = _efx_readd(efx, reg + 12);
+	spin_unlock_irqrestore(&efx->biu_lock, flags);
+
+	EFX_REGDUMP(efx, "read from register %x, got " EFX_OWORD_FMT "\n", reg,
+		    EFX_OWORD_VAL(*value));
+}
+
+/* Read an 8-byte SRAM entry through supplied mapping,
+ * locking as appropriate. */
+static inline void efx_sram_readq(struct efx_nic *efx, void __iomem *membase,
+				  efx_qword_t *value, unsigned int index)
+{
+	unsigned int addr = index * sizeof(*value);
+	unsigned long flags __attribute__ ((unused));
+
+	spin_lock_irqsave(&efx->biu_lock, flags);
+#ifdef EFX_USE_QWORD_IO
+	value->u64[0] = (__force __le64)__raw_readq(membase + addr);
+#else
+	value->u32[0] = (__force __le32)__raw_readl(membase + addr);
+	rmb();
+	value->u32[1] = (__force __le32)__raw_readl(membase + addr + 4);
+#endif
+	spin_unlock_irqrestore(&efx->biu_lock, flags);
+
+	EFX_REGDUMP(efx, "read from SRAM address %x, got "EFX_QWORD_FMT"\n",
+		    addr, EFX_QWORD_VAL(*value));
+}
+
+/* Read dword from register that allows partial writes (sic) */
+static inline void efx_readd(struct efx_nic *efx, efx_dword_t *value,
+				unsigned int reg)
+{
+	value->u32[0] = _efx_readd(efx, reg);
+	EFX_REGDUMP(efx, "read from register %x, got "EFX_DWORD_FMT"\n",
+		    reg, EFX_DWORD_VAL(*value));
+}
+
+/* Write to a register forming part of a table */
+static inline void efx_writeo_table(struct efx_nic *efx, efx_oword_t *value,
+				      unsigned int reg, unsigned int index)
+{
+	efx_writeo(efx, value, reg + index * sizeof(efx_oword_t));
+}
+
+/* Read to a register forming part of a table */
+static inline void efx_reado_table(struct efx_nic *efx, efx_oword_t *value,
+				     unsigned int reg, unsigned int index)
+{
+	efx_reado(efx, value, reg + index * sizeof(efx_oword_t));
+}
+
+/* Write to a dword register forming part of a table */
+static inline void efx_writed_table(struct efx_nic *efx, efx_dword_t *value,
+				       unsigned int reg, unsigned int index)
+{
+	efx_writed(efx, value, reg + index * sizeof(efx_oword_t));
+}
+
+/* Page-mapped register block size */
+#define EFX_PAGE_BLOCK_SIZE 0x2000
+
+/* Calculate offset to page-mapped register block */
+#define EFX_PAGED_REG(page, reg) \
+	((page) * EFX_PAGE_BLOCK_SIZE + (reg))
+
+/* As for efx_writeo(), but for a page-mapped register. */
+static inline void efx_writeo_page(struct efx_nic *efx, efx_oword_t *value,
+				   unsigned int reg, unsigned int page)
+{
+	efx_writeo(efx, value, EFX_PAGED_REG(page, reg));
+}
+
+/* As for efx_writed(), but for a page-mapped register. */
+static inline void efx_writed_page(struct efx_nic *efx, efx_dword_t *value,
+				   unsigned int reg, unsigned int page)
+{
+	efx_writed(efx, value, EFX_PAGED_REG(page, reg));
+}
+
+/* Write dword to page-mapped register with an extra lock.
+ *
+ * As for efx_writed_page(), but for a register that suffers from
+ * SFC bug 3181. Take out a lock so the BIU collector cannot be
+ * confused. */
+static inline void efx_writed_page_locked(struct efx_nic *efx,
+					  efx_dword_t *value,
+					  unsigned int reg,
+					  unsigned int page)
+{
+	unsigned long flags __attribute__ ((unused));
+
+	if (page == 0) {
+		spin_lock_irqsave(&efx->biu_lock, flags);
+		efx_writed(efx, value, EFX_PAGED_REG(page, reg));
+		spin_unlock_irqrestore(&efx->biu_lock, flags);
+	} else {
+		efx_writed(efx, value, EFX_PAGED_REG(page, reg));
+	}
+}
+
+#endif /* EFX_IO_H */
diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c
index 4a7be1cc506..e5c4c9cd452 100644
--- a/drivers/net/sfc/selftest.c
+++ b/drivers/net/sfc/selftest.c
@@ -26,7 +26,7 @@
 #include "selftest.h"
 #include "workarounds.h"
 #include "spi.h"
-#include "falcon_io.h"
+#include "io.h"
 #include "mdio_10g.h"
 
 /*
-- 
GitLab


From 3ffeabdd2bc62e0ebcb1a51a5d959a86a7a915fc Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 23 Oct 2009 08:30:58 +0000
Subject: [PATCH 0408/1815] sfc: Eliminate indirect lookups of queue size
 constants

Move size and mask definitions into efx.h; calculate page orders in falcon.c.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c        | 14 ++------
 drivers/net/sfc/efx.h        |  6 ++++
 drivers/net/sfc/falcon.c     | 70 ++++++++++++++----------------------
 drivers/net/sfc/net_driver.h |  6 ----
 drivers/net/sfc/rx.c         | 16 ++++-----
 drivers/net/sfc/selftest.c   |  2 +-
 drivers/net/sfc/tx.c         | 46 +++++++++++-------------
 7 files changed, 62 insertions(+), 98 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index cc4b2f99989..8b67553046e 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -290,7 +290,7 @@ void efx_process_channel_now(struct efx_channel *channel)
 	napi_disable(&channel->napi_str);
 
 	/* Poll the channel */
-	efx_process_channel(channel, efx->type->evq_size);
+	efx_process_channel(channel, EFX_EVQ_SIZE);
 
 	/* Ack the eventq. This may cause an interrupt to be generated
 	 * when they are reenabled */
@@ -1981,17 +1981,9 @@ static int efx_init_struct(struct efx_nic *efx, struct efx_nic_type *type,
 
 	efx->type = type;
 
-	/* Sanity-check NIC type */
-	EFX_BUG_ON_PARANOID(efx->type->txd_ring_mask &
-			    (efx->type->txd_ring_mask + 1));
-	EFX_BUG_ON_PARANOID(efx->type->rxd_ring_mask &
-			    (efx->type->rxd_ring_mask + 1));
-	EFX_BUG_ON_PARANOID(efx->type->evq_size &
-			    (efx->type->evq_size - 1));
 	/* As close as we can get to guaranteeing that we don't overflow */
-	EFX_BUG_ON_PARANOID(efx->type->evq_size <
-			    (efx->type->txd_ring_mask + 1 +
-			     efx->type->rxd_ring_mask + 1));
+	BUILD_BUG_ON(EFX_EVQ_SIZE < EFX_TXQ_SIZE + EFX_RXQ_SIZE);
+
 	EFX_BUG_ON_PARANOID(efx->type->phys_addr_channels > EFX_MAX_CHANNELS);
 
 	/* Higher numbered interrupt modes are less capable! */
diff --git a/drivers/net/sfc/efx.h b/drivers/net/sfc/efx.h
index aecaf62f492..20c8d62fd6e 100644
--- a/drivers/net/sfc/efx.h
+++ b/drivers/net/sfc/efx.h
@@ -25,16 +25,22 @@ extern netdev_tx_t efx_xmit(struct efx_nic *efx,
 				  struct sk_buff *skb);
 extern void efx_stop_queue(struct efx_nic *efx);
 extern void efx_wake_queue(struct efx_nic *efx);
+#define EFX_TXQ_SIZE 1024
+#define EFX_TXQ_MASK (EFX_TXQ_SIZE - 1)
 
 /* RX */
 extern void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index);
 extern void efx_rx_packet(struct efx_rx_queue *rx_queue, unsigned int index,
 			  unsigned int len, bool checksummed, bool discard);
 extern void efx_schedule_slow_fill(struct efx_rx_queue *rx_queue, int delay);
+#define EFX_RXQ_SIZE 1024
+#define EFX_RXQ_MASK (EFX_RXQ_SIZE - 1)
 
 /* Channels */
 extern void efx_process_channel_now(struct efx_channel *channel);
 extern void efx_flush_queues(struct efx_nic *efx);
+#define EFX_EVQ_SIZE 4096
+#define EFX_EVQ_MASK (EFX_EVQ_SIZE - 1)
 
 /* Ports */
 extern void efx_stats_disable(struct efx_nic *efx);
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 759f55ae4b8..3cb7e613ab3 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -108,21 +108,6 @@ static int rx_xon_thresh_bytes = -1;
 module_param(rx_xon_thresh_bytes, int, 0644);
 MODULE_PARM_DESC(rx_xon_thresh_bytes, "RX fifo XON threshold");
 
-/* TX descriptor ring size - min 512 max 4k */
-#define FALCON_TXD_RING_ORDER FFE_AZ_TX_DESCQ_SIZE_1K
-#define FALCON_TXD_RING_SIZE 1024
-#define FALCON_TXD_RING_MASK (FALCON_TXD_RING_SIZE - 1)
-
-/* RX descriptor ring size - min 512 max 4k */
-#define FALCON_RXD_RING_ORDER FFE_AZ_RX_DESCQ_SIZE_1K
-#define FALCON_RXD_RING_SIZE 1024
-#define FALCON_RXD_RING_MASK (FALCON_RXD_RING_SIZE - 1)
-
-/* Event queue size - max 32k */
-#define FALCON_EVQ_ORDER FFE_AZ_EVQ_SIZE_4K
-#define FALCON_EVQ_SIZE 4096
-#define FALCON_EVQ_MASK (FALCON_EVQ_SIZE - 1)
-
 /* If FALCON_MAX_INT_ERRORS internal errors occur within
  * FALCON_INT_ERROR_EXPIRE seconds, we consider the NIC broken and
  * disable it.
@@ -420,7 +405,7 @@ static inline void falcon_notify_tx_desc(struct efx_tx_queue *tx_queue)
 	unsigned write_ptr;
 	efx_dword_t reg;
 
-	write_ptr = tx_queue->write_count & FALCON_TXD_RING_MASK;
+	write_ptr = tx_queue->write_count & EFX_TXQ_MASK;
 	EFX_POPULATE_DWORD_1(reg, FRF_AZ_TX_DESC_WPTR_DWORD, write_ptr);
 	efx_writed_page(tx_queue->efx, &reg,
 			FR_AZ_TX_DESC_UPD_DWORD_P0, tx_queue->queue);
@@ -441,7 +426,7 @@ void falcon_push_buffers(struct efx_tx_queue *tx_queue)
 	BUG_ON(tx_queue->write_count == tx_queue->insert_count);
 
 	do {
-		write_ptr = tx_queue->write_count & FALCON_TXD_RING_MASK;
+		write_ptr = tx_queue->write_count & EFX_TXQ_MASK;
 		buffer = &tx_queue->buffer[write_ptr];
 		txd = falcon_tx_desc(tx_queue, write_ptr);
 		++tx_queue->write_count;
@@ -462,9 +447,10 @@ void falcon_push_buffers(struct efx_tx_queue *tx_queue)
 int falcon_probe_tx(struct efx_tx_queue *tx_queue)
 {
 	struct efx_nic *efx = tx_queue->efx;
+	BUILD_BUG_ON(EFX_TXQ_SIZE < 512 || EFX_TXQ_SIZE > 4096 ||
+		     EFX_TXQ_SIZE & EFX_TXQ_MASK);
 	return falcon_alloc_special_buffer(efx, &tx_queue->txd,
-					   FALCON_TXD_RING_SIZE *
-					   sizeof(efx_qword_t));
+					   EFX_TXQ_SIZE * sizeof(efx_qword_t));
 }
 
 void falcon_init_tx(struct efx_tx_queue *tx_queue)
@@ -487,7 +473,8 @@ void falcon_init_tx(struct efx_tx_queue *tx_queue)
 			      tx_queue->channel->channel,
 			      FRF_AZ_TX_DESCQ_OWNER_ID, 0,
 			      FRF_AZ_TX_DESCQ_LABEL, tx_queue->queue,
-			      FRF_AZ_TX_DESCQ_SIZE, FALCON_TXD_RING_ORDER,
+			      FRF_AZ_TX_DESCQ_SIZE,
+			      __ffs(tx_queue->txd.entries),
 			      FRF_AZ_TX_DESCQ_TYPE, 0,
 			      FRF_BZ_TX_NON_IP_DROP_DIS, 1);
 
@@ -592,12 +579,12 @@ void falcon_notify_rx_desc(struct efx_rx_queue *rx_queue)
 	while (rx_queue->notified_count != rx_queue->added_count) {
 		falcon_build_rx_desc(rx_queue,
 				     rx_queue->notified_count &
-				     FALCON_RXD_RING_MASK);
+				     EFX_RXQ_MASK);
 		++rx_queue->notified_count;
 	}
 
 	wmb();
-	write_ptr = rx_queue->added_count & FALCON_RXD_RING_MASK;
+	write_ptr = rx_queue->added_count & EFX_RXQ_MASK;
 	EFX_POPULATE_DWORD_1(reg, FRF_AZ_RX_DESC_WPTR_DWORD, write_ptr);
 	efx_writed_page(rx_queue->efx, &reg,
 			FR_AZ_RX_DESC_UPD_DWORD_P0, rx_queue->queue);
@@ -606,9 +593,10 @@ void falcon_notify_rx_desc(struct efx_rx_queue *rx_queue)
 int falcon_probe_rx(struct efx_rx_queue *rx_queue)
 {
 	struct efx_nic *efx = rx_queue->efx;
+	BUILD_BUG_ON(EFX_RXQ_SIZE < 512 || EFX_RXQ_SIZE > 4096 ||
+		     EFX_RXQ_SIZE & EFX_RXQ_MASK);
 	return falcon_alloc_special_buffer(efx, &rx_queue->rxd,
-					   FALCON_RXD_RING_SIZE *
-					   sizeof(efx_qword_t));
+					   EFX_RXQ_SIZE * sizeof(efx_qword_t));
 }
 
 void falcon_init_rx(struct efx_rx_queue *rx_queue)
@@ -636,7 +624,8 @@ void falcon_init_rx(struct efx_rx_queue *rx_queue)
 			      rx_queue->channel->channel,
 			      FRF_AZ_RX_DESCQ_OWNER_ID, 0,
 			      FRF_AZ_RX_DESCQ_LABEL, rx_queue->queue,
-			      FRF_AZ_RX_DESCQ_SIZE, FALCON_RXD_RING_ORDER,
+			      FRF_AZ_RX_DESCQ_SIZE,
+			      __ffs(rx_queue->rxd.entries),
 			      FRF_AZ_RX_DESCQ_TYPE, 0 /* kernel queue */ ,
 			      /* For >=B0 this is scatter so disable */
 			      FRF_AZ_RX_DESCQ_JUMBO, !is_b0,
@@ -741,7 +730,7 @@ static void falcon_handle_tx_event(struct efx_channel *channel,
 		tx_queue = &efx->tx_queue[tx_ev_q_label];
 		channel->irq_mod_score +=
 			(tx_ev_desc_ptr - tx_queue->read_count) &
-			efx->type->txd_ring_mask;
+			EFX_TXQ_MASK;
 		efx_xmit_done(tx_queue, tx_ev_desc_ptr);
 	} else if (EFX_QWORD_FIELD(*event, FSF_AZ_TX_EV_WQ_FF_FULL)) {
 		/* Rewrite the FIFO write pointer */
@@ -848,9 +837,8 @@ static void falcon_handle_rx_bad_index(struct efx_rx_queue *rx_queue,
 	struct efx_nic *efx = rx_queue->efx;
 	unsigned expected, dropped;
 
-	expected = rx_queue->removed_count & FALCON_RXD_RING_MASK;
-	dropped = ((index + FALCON_RXD_RING_SIZE - expected) &
-		   FALCON_RXD_RING_MASK);
+	expected = rx_queue->removed_count & EFX_RXQ_MASK;
+	dropped = (index - expected) & EFX_RXQ_MASK;
 	EFX_INFO(efx, "dropped %d events (index=%d expected=%d)\n",
 		dropped, index, expected);
 
@@ -887,7 +875,7 @@ static void falcon_handle_rx_event(struct efx_channel *channel,
 	rx_queue = &efx->rx_queue[channel->channel];
 
 	rx_ev_desc_ptr = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_DESC_PTR);
-	expected_ptr = rx_queue->removed_count & FALCON_RXD_RING_MASK;
+	expected_ptr = rx_queue->removed_count & EFX_RXQ_MASK;
 	if (unlikely(rx_ev_desc_ptr != expected_ptr))
 		falcon_handle_rx_bad_index(rx_queue, rx_ev_desc_ptr);
 
@@ -1075,7 +1063,7 @@ int falcon_process_eventq(struct efx_channel *channel, int rx_quota)
 		}
 
 		/* Increment read pointer */
-		read_ptr = (read_ptr + 1) & FALCON_EVQ_MASK;
+		read_ptr = (read_ptr + 1) & EFX_EVQ_MASK;
 
 	} while (rx_packets < rx_quota);
 
@@ -1120,10 +1108,10 @@ void falcon_set_int_moderation(struct efx_channel *channel)
 int falcon_probe_eventq(struct efx_channel *channel)
 {
 	struct efx_nic *efx = channel->efx;
-	unsigned int evq_size;
-
-	evq_size = FALCON_EVQ_SIZE * sizeof(efx_qword_t);
-	return falcon_alloc_special_buffer(efx, &channel->eventq, evq_size);
+	BUILD_BUG_ON(EFX_EVQ_SIZE < 512 || EFX_EVQ_SIZE > 32768 ||
+		     EFX_EVQ_SIZE & EFX_EVQ_MASK);
+	return falcon_alloc_special_buffer(efx, &channel->eventq,
+					   EFX_EVQ_SIZE * sizeof(efx_qword_t));
 }
 
 void falcon_init_eventq(struct efx_channel *channel)
@@ -1144,7 +1132,7 @@ void falcon_init_eventq(struct efx_channel *channel)
 	/* Push event queue to card */
 	EFX_POPULATE_OWORD_3(evq_ptr,
 			     FRF_AZ_EVQ_EN, 1,
-			     FRF_AZ_EVQ_SIZE, FALCON_EVQ_ORDER,
+			     FRF_AZ_EVQ_SIZE, __ffs(channel->eventq.entries),
 			     FRF_AZ_EVQ_BUF_BASE_ID, channel->eventq.index);
 	efx_writeo_table(efx, &evq_ptr, efx->type->evq_ptr_tbl_base,
 			 channel->channel);
@@ -1214,7 +1202,7 @@ static void falcon_poll_flush_events(struct efx_nic *efx)
 	struct efx_tx_queue *tx_queue;
 	struct efx_rx_queue *rx_queue;
 	unsigned int read_ptr = channel->eventq_read_ptr;
-	unsigned int end_ptr = (read_ptr - 1) & FALCON_EVQ_MASK;
+	unsigned int end_ptr = (read_ptr - 1) & EFX_EVQ_MASK;
 
 	do {
 		efx_qword_t *event = falcon_event(channel, read_ptr);
@@ -1252,7 +1240,7 @@ static void falcon_poll_flush_events(struct efx_nic *efx)
 			}
 		}
 
-		read_ptr = (read_ptr + 1) & FALCON_EVQ_MASK;
+		read_ptr = (read_ptr + 1) & EFX_EVQ_MASK;
 	} while (read_ptr != end_ptr);
 }
 
@@ -3160,9 +3148,6 @@ struct efx_nic_type falcon_a_nic_type = {
 	.buf_tbl_base = FR_AA_BUF_FULL_TBL_KER,
 	.evq_ptr_tbl_base = FR_AA_EVQ_PTR_TBL_KER,
 	.evq_rptr_tbl_base = FR_AA_EVQ_RPTR_KER,
-	.txd_ring_mask = FALCON_TXD_RING_MASK,
-	.rxd_ring_mask = FALCON_RXD_RING_MASK,
-	.evq_size = FALCON_EVQ_SIZE,
 	.max_dma_mask = FALCON_DMA_MASK,
 	.tx_dma_mask = FALCON_TX_DMA_MASK,
 	.bug5391_mask = 0xf,
@@ -3184,9 +3169,6 @@ struct efx_nic_type falcon_b_nic_type = {
 	.buf_tbl_base = FR_BZ_BUF_FULL_TBL,
 	.evq_ptr_tbl_base = FR_BZ_EVQ_PTR_TBL,
 	.evq_rptr_tbl_base = FR_BZ_EVQ_RPTR,
-	.txd_ring_mask = FALCON_TXD_RING_MASK,
-	.rxd_ring_mask = FALCON_RXD_RING_MASK,
-	.evq_size = FALCON_EVQ_SIZE,
 	.max_dma_mask = FALCON_DMA_MASK,
 	.tx_dma_mask = FALCON_TX_DMA_MASK,
 	.bug5391_mask = 0,
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index 479a6fe3831..3afadc621a8 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -869,9 +869,6 @@ static inline const char *efx_dev_name(struct efx_nic *efx)
  * @buf_tbl_base: Buffer table base address
  * @evq_ptr_tbl_base: Event queue pointer table base address
  * @evq_rptr_tbl_base: Event queue read-pointer table base address
- * @txd_ring_mask: TX descriptor ring size - 1 (must be a power of two - 1)
- * @rxd_ring_mask: RX descriptor ring size - 1 (must be a power of two - 1)
- * @evq_size: Event queue size (must be a power of two)
  * @max_dma_mask: Maximum possible DMA mask
  * @tx_dma_mask: TX DMA mask
  * @bug5391_mask: Address mask for bug 5391 workaround
@@ -890,9 +887,6 @@ struct efx_nic_type {
 	unsigned int evq_ptr_tbl_base;
 	unsigned int evq_rptr_tbl_base;
 
-	unsigned int txd_ring_mask;
-	unsigned int rxd_ring_mask;
-	unsigned int evq_size;
 	u64 max_dma_mask;
 	unsigned int tx_dma_mask;
 	unsigned bug5391_mask;
diff --git a/drivers/net/sfc/rx.c b/drivers/net/sfc/rx.c
index 01f9432c31e..ea59ed25b0d 100644
--- a/drivers/net/sfc/rx.c
+++ b/drivers/net/sfc/rx.c
@@ -293,8 +293,7 @@ static int __efx_fast_push_rx_descriptors(struct efx_rx_queue *rx_queue,
 	 * fill anyway.
 	 */
 	fill_level = (rx_queue->added_count - rx_queue->removed_count);
-	EFX_BUG_ON_PARANOID(fill_level >
-			    rx_queue->efx->type->rxd_ring_mask + 1);
+	EFX_BUG_ON_PARANOID(fill_level > EFX_RXQ_SIZE);
 
 	/* Don't fill if we don't need to */
 	if (fill_level >= rx_queue->fast_fill_trigger)
@@ -316,8 +315,7 @@ static int __efx_fast_push_rx_descriptors(struct efx_rx_queue *rx_queue,
  retry:
 	/* Recalculate current fill level now that we have the lock */
 	fill_level = (rx_queue->added_count - rx_queue->removed_count);
-	EFX_BUG_ON_PARANOID(fill_level >
-			    rx_queue->efx->type->rxd_ring_mask + 1);
+	EFX_BUG_ON_PARANOID(fill_level > EFX_RXQ_SIZE);
 	space = rx_queue->fast_fill_limit - fill_level;
 	if (space < EFX_RX_BATCH)
 		goto out_unlock;
@@ -329,8 +327,7 @@ static int __efx_fast_push_rx_descriptors(struct efx_rx_queue *rx_queue,
 
 	do {
 		for (i = 0; i < EFX_RX_BATCH; ++i) {
-			index = (rx_queue->added_count &
-				 rx_queue->efx->type->rxd_ring_mask);
+			index = rx_queue->added_count & EFX_RXQ_MASK;
 			rx_buf = efx_rx_buffer(rx_queue, index);
 			rc = efx_init_rx_buffer(rx_queue, rx_buf);
 			if (unlikely(rc))
@@ -629,7 +626,7 @@ int efx_probe_rx_queue(struct efx_rx_queue *rx_queue)
 	EFX_LOG(efx, "creating RX queue %d\n", rx_queue->queue);
 
 	/* Allocate RX buffers */
-	rxq_size = (efx->type->rxd_ring_mask + 1) * sizeof(*rx_queue->buffer);
+	rxq_size = EFX_RXQ_SIZE * sizeof(*rx_queue->buffer);
 	rx_queue->buffer = kzalloc(rxq_size, GFP_KERNEL);
 	if (!rx_queue->buffer)
 		return -ENOMEM;
@@ -644,7 +641,6 @@ int efx_probe_rx_queue(struct efx_rx_queue *rx_queue)
 
 void efx_init_rx_queue(struct efx_rx_queue *rx_queue)
 {
-	struct efx_nic *efx = rx_queue->efx;
 	unsigned int max_fill, trigger, limit;
 
 	EFX_LOG(rx_queue->efx, "initialising RX queue %d\n", rx_queue->queue);
@@ -657,7 +653,7 @@ void efx_init_rx_queue(struct efx_rx_queue *rx_queue)
 	rx_queue->min_overfill = -1U;
 
 	/* Initialise limit fields */
-	max_fill = efx->type->rxd_ring_mask + 1 - EFX_RXD_HEAD_ROOM;
+	max_fill = EFX_RXQ_SIZE - EFX_RXD_HEAD_ROOM;
 	trigger = max_fill * min(rx_refill_threshold, 100U) / 100U;
 	limit = max_fill * min(rx_refill_limit, 100U) / 100U;
 
@@ -680,7 +676,7 @@ void efx_fini_rx_queue(struct efx_rx_queue *rx_queue)
 
 	/* Release RX buffers NB start at index 0 not current HW ptr */
 	if (rx_queue->buffer) {
-		for (i = 0; i <= rx_queue->efx->type->rxd_ring_mask; i++) {
+		for (i = 0; i <= EFX_RXQ_MASK; i++) {
 			rx_buf = efx_rx_buffer(rx_queue, i);
 			efx_fini_rx_buffer(rx_queue, rx_buf);
 		}
diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c
index e5c4c9cd452..7a9386f97c4 100644
--- a/drivers/net/sfc/selftest.c
+++ b/drivers/net/sfc/selftest.c
@@ -526,7 +526,7 @@ efx_test_loopback(struct efx_tx_queue *tx_queue,
 
 	for (i = 0; i < 3; i++) {
 		/* Determine how many packets to send */
-		state->packet_count = (efx->type->txd_ring_mask + 1) / 3;
+		state->packet_count = EFX_TXQ_SIZE / 3;
 		state->packet_count = min(1 << (i << 2), state->packet_count);
 		state->skbs = kzalloc(sizeof(state->skbs[0]) *
 				      state->packet_count, GFP_KERNEL);
diff --git a/drivers/net/sfc/tx.c b/drivers/net/sfc/tx.c
index 489c4de3144..ae554eec056 100644
--- a/drivers/net/sfc/tx.c
+++ b/drivers/net/sfc/tx.c
@@ -26,8 +26,7 @@
  * The tx_queue descriptor ring fill-level must fall below this value
  * before we restart the netif queue
  */
-#define EFX_NETDEV_TX_THRESHOLD(_tx_queue)	\
-	(_tx_queue->efx->type->txd_ring_mask / 2u)
+#define EFX_TXQ_THRESHOLD (EFX_TXQ_MASK / 2u)
 
 /* We want to be able to nest calls to netif_stop_queue(), since each
  * channel can have an individual stop on the queue.
@@ -171,7 +170,7 @@ static netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue,
 	}
 
 	fill_level = tx_queue->insert_count - tx_queue->old_read_count;
-	q_space = efx->type->txd_ring_mask - 1 - fill_level;
+	q_space = EFX_TXQ_MASK - 1 - fill_level;
 
 	/* Map for DMA.  Use pci_map_single rather than pci_map_page
 	 * since this is more efficient on machines with sparse
@@ -208,16 +207,14 @@ static netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue,
 					&tx_queue->read_count;
 				fill_level = (tx_queue->insert_count
 					      - tx_queue->old_read_count);
-				q_space = (efx->type->txd_ring_mask - 1 -
-					   fill_level);
+				q_space = EFX_TXQ_MASK - 1 - fill_level;
 				if (unlikely(q_space-- <= 0))
 					goto stop;
 				smp_mb();
 				--tx_queue->stopped;
 			}
 
-			insert_ptr = (tx_queue->insert_count &
-				      efx->type->txd_ring_mask);
+			insert_ptr = tx_queue->insert_count & EFX_TXQ_MASK;
 			buffer = &tx_queue->buffer[insert_ptr];
 			efx_tsoh_free(tx_queue, buffer);
 			EFX_BUG_ON_PARANOID(buffer->tsoh);
@@ -289,7 +286,7 @@ static netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue,
 	/* Work backwards until we hit the original insert pointer value */
 	while (tx_queue->insert_count != tx_queue->write_count) {
 		--tx_queue->insert_count;
-		insert_ptr = tx_queue->insert_count & efx->type->txd_ring_mask;
+		insert_ptr = tx_queue->insert_count & EFX_TXQ_MASK;
 		buffer = &tx_queue->buffer[insert_ptr];
 		efx_dequeue_buffer(tx_queue, buffer);
 		buffer->len = 0;
@@ -318,10 +315,9 @@ static void efx_dequeue_buffers(struct efx_tx_queue *tx_queue,
 {
 	struct efx_nic *efx = tx_queue->efx;
 	unsigned int stop_index, read_ptr;
-	unsigned int mask = tx_queue->efx->type->txd_ring_mask;
 
-	stop_index = (index + 1) & mask;
-	read_ptr = tx_queue->read_count & mask;
+	stop_index = (index + 1) & EFX_TXQ_MASK;
+	read_ptr = tx_queue->read_count & EFX_TXQ_MASK;
 
 	while (read_ptr != stop_index) {
 		struct efx_tx_buffer *buffer = &tx_queue->buffer[read_ptr];
@@ -338,7 +334,7 @@ static void efx_dequeue_buffers(struct efx_tx_queue *tx_queue,
 		buffer->len = 0;
 
 		++tx_queue->read_count;
-		read_ptr = tx_queue->read_count & mask;
+		read_ptr = tx_queue->read_count & EFX_TXQ_MASK;
 	}
 }
 
@@ -391,7 +387,7 @@ void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index)
 	unsigned fill_level;
 	struct efx_nic *efx = tx_queue->efx;
 
-	EFX_BUG_ON_PARANOID(index > efx->type->txd_ring_mask);
+	EFX_BUG_ON_PARANOID(index > EFX_TXQ_MASK);
 
 	efx_dequeue_buffers(tx_queue, index);
 
@@ -401,7 +397,7 @@ void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index)
 	smp_mb();
 	if (unlikely(tx_queue->stopped) && likely(efx->port_enabled)) {
 		fill_level = tx_queue->insert_count - tx_queue->read_count;
-		if (fill_level < EFX_NETDEV_TX_THRESHOLD(tx_queue)) {
+		if (fill_level < EFX_TXQ_THRESHOLD) {
 			EFX_BUG_ON_PARANOID(!efx_dev_registered(efx));
 
 			/* Do this under netif_tx_lock(), to avoid racing
@@ -425,11 +421,11 @@ int efx_probe_tx_queue(struct efx_tx_queue *tx_queue)
 	EFX_LOG(efx, "creating TX queue %d\n", tx_queue->queue);
 
 	/* Allocate software ring */
-	txq_size = (efx->type->txd_ring_mask + 1) * sizeof(*tx_queue->buffer);
+	txq_size = EFX_TXQ_SIZE * sizeof(*tx_queue->buffer);
 	tx_queue->buffer = kzalloc(txq_size, GFP_KERNEL);
 	if (!tx_queue->buffer)
 		return -ENOMEM;
-	for (i = 0; i <= efx->type->txd_ring_mask; ++i)
+	for (i = 0; i <= EFX_TXQ_MASK; ++i)
 		tx_queue->buffer[i].continuation = true;
 
 	/* Allocate hardware ring */
@@ -468,8 +464,7 @@ void efx_release_tx_buffers(struct efx_tx_queue *tx_queue)
 
 	/* Free any buffers left in the ring */
 	while (tx_queue->read_count != tx_queue->write_count) {
-		buffer = &tx_queue->buffer[tx_queue->read_count &
-					   tx_queue->efx->type->txd_ring_mask];
+		buffer = &tx_queue->buffer[tx_queue->read_count & EFX_TXQ_MASK];
 		efx_dequeue_buffer(tx_queue, buffer);
 		buffer->continuation = true;
 		buffer->len = 0;
@@ -715,7 +710,7 @@ static int efx_tx_queue_insert(struct efx_tx_queue *tx_queue,
 
 	fill_level = tx_queue->insert_count - tx_queue->old_read_count;
 	/* -1 as there is no way to represent all descriptors used */
-	q_space = efx->type->txd_ring_mask - 1 - fill_level;
+	q_space = EFX_TXQ_MASK - 1 - fill_level;
 
 	while (1) {
 		if (unlikely(q_space-- <= 0)) {
@@ -731,7 +726,7 @@ static int efx_tx_queue_insert(struct efx_tx_queue *tx_queue,
 				*(volatile unsigned *)&tx_queue->read_count;
 			fill_level = (tx_queue->insert_count
 				      - tx_queue->old_read_count);
-			q_space = efx->type->txd_ring_mask - 1 - fill_level;
+			q_space = EFX_TXQ_MASK - 1 - fill_level;
 			if (unlikely(q_space-- <= 0)) {
 				*final_buffer = NULL;
 				return 1;
@@ -740,13 +735,13 @@ static int efx_tx_queue_insert(struct efx_tx_queue *tx_queue,
 			--tx_queue->stopped;
 		}
 
-		insert_ptr = tx_queue->insert_count & efx->type->txd_ring_mask;
+		insert_ptr = tx_queue->insert_count & EFX_TXQ_MASK;
 		buffer = &tx_queue->buffer[insert_ptr];
 		++tx_queue->insert_count;
 
 		EFX_BUG_ON_PARANOID(tx_queue->insert_count -
 				    tx_queue->read_count >
-				    efx->type->txd_ring_mask);
+				    EFX_TXQ_MASK);
 
 		efx_tsoh_free(tx_queue, buffer);
 		EFX_BUG_ON_PARANOID(buffer->len);
@@ -792,8 +787,7 @@ static void efx_tso_put_header(struct efx_tx_queue *tx_queue,
 {
 	struct efx_tx_buffer *buffer;
 
-	buffer = &tx_queue->buffer[tx_queue->insert_count &
-				   tx_queue->efx->type->txd_ring_mask];
+	buffer = &tx_queue->buffer[tx_queue->insert_count & EFX_TXQ_MASK];
 	efx_tsoh_free(tx_queue, buffer);
 	EFX_BUG_ON_PARANOID(buffer->len);
 	EFX_BUG_ON_PARANOID(buffer->unmap_len);
@@ -818,7 +812,7 @@ static void efx_enqueue_unwind(struct efx_tx_queue *tx_queue)
 	while (tx_queue->insert_count != tx_queue->write_count) {
 		--tx_queue->insert_count;
 		buffer = &tx_queue->buffer[tx_queue->insert_count &
-					   tx_queue->efx->type->txd_ring_mask];
+					   EFX_TXQ_MASK];
 		efx_tsoh_free(tx_queue, buffer);
 		EFX_BUG_ON_PARANOID(buffer->skb);
 		buffer->len = 0;
@@ -1135,7 +1129,7 @@ static void efx_fini_tso(struct efx_tx_queue *tx_queue)
 	unsigned i;
 
 	if (tx_queue->buffer) {
-		for (i = 0; i <= tx_queue->efx->type->txd_ring_mask; ++i)
+		for (i = 0; i <= EFX_TXQ_MASK; ++i)
 			efx_tsoh_free(tx_queue, &tx_queue->buffer[i]);
 	}
 
-- 
GitLab


From 6d51d307509f98f070688b4bff1d0f7462c4d3ec Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 23 Oct 2009 08:31:07 +0000
Subject: [PATCH 0409/1815] sfc: Define DMA address mask explicitly in terms of
 descriptor field width

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/falcon.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 3cb7e613ab3..47507b67ba8 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -127,9 +127,6 @@ MODULE_PARM_DESC(rx_xon_thresh_bytes, "RX fifo XON threshold");
  **************************************************************************
  */
 
-/* DMA address mask */
-#define FALCON_DMA_MASK DMA_BIT_MASK(46)
-
 /* TX DMA length mask (13-bit) */
 #define FALCON_TX_DMA_MASK (4096 - 1)
 
@@ -3148,7 +3145,7 @@ struct efx_nic_type falcon_a_nic_type = {
 	.buf_tbl_base = FR_AA_BUF_FULL_TBL_KER,
 	.evq_ptr_tbl_base = FR_AA_EVQ_PTR_TBL_KER,
 	.evq_rptr_tbl_base = FR_AA_EVQ_RPTR_KER,
-	.max_dma_mask = FALCON_DMA_MASK,
+	.max_dma_mask = DMA_BIT_MASK(FSF_AZ_TX_KER_BUF_ADDR_WIDTH),
 	.tx_dma_mask = FALCON_TX_DMA_MASK,
 	.bug5391_mask = 0xf,
 	.rx_buffer_padding = 0x24,
@@ -3169,7 +3166,7 @@ struct efx_nic_type falcon_b_nic_type = {
 	.buf_tbl_base = FR_BZ_BUF_FULL_TBL,
 	.evq_ptr_tbl_base = FR_BZ_EVQ_PTR_TBL,
 	.evq_rptr_tbl_base = FR_BZ_EVQ_RPTR,
-	.max_dma_mask = FALCON_DMA_MASK,
+	.max_dma_mask = DMA_BIT_MASK(FSF_AZ_TX_KER_BUF_ADDR_WIDTH),
 	.tx_dma_mask = FALCON_TX_DMA_MASK,
 	.bug5391_mask = 0,
 	.rx_buffer_padding = 0,
-- 
GitLab


From 63f1988419ccaa544d1d31aadc1dd309f6471ffe Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 23 Oct 2009 08:31:20 +0000
Subject: [PATCH 0410/1815] sfc: Move all TX DMA length limiting into tx.c

Replace the duplicated logic in efx_enqueue_skb() and
efx_tx_queue_insert() with an inline function, efx_max_tx_len().

Remove the failed attempt at abstracting hardware-specifics and put
all the magic numbers in efx_max_tx_len().

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/falcon.c      |  7 -------
 drivers/net/sfc/net_driver.h  |  4 ----
 drivers/net/sfc/tx.c          | 37 ++++++++++++++++++++++-------------
 drivers/net/sfc/workarounds.h |  2 ++
 4 files changed, 25 insertions(+), 25 deletions(-)

diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 47507b67ba8..34b475e9b29 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -127,9 +127,6 @@ MODULE_PARM_DESC(rx_xon_thresh_bytes, "RX fifo XON threshold");
  **************************************************************************
  */
 
-/* TX DMA length mask (13-bit) */
-#define FALCON_TX_DMA_MASK (4096 - 1)
-
 /* Size and alignment of special buffers (4KB) */
 #define FALCON_BUF_SIZE 4096
 
@@ -3146,8 +3143,6 @@ struct efx_nic_type falcon_a_nic_type = {
 	.evq_ptr_tbl_base = FR_AA_EVQ_PTR_TBL_KER,
 	.evq_rptr_tbl_base = FR_AA_EVQ_RPTR_KER,
 	.max_dma_mask = DMA_BIT_MASK(FSF_AZ_TX_KER_BUF_ADDR_WIDTH),
-	.tx_dma_mask = FALCON_TX_DMA_MASK,
-	.bug5391_mask = 0xf,
 	.rx_buffer_padding = 0x24,
 	.max_interrupt_mode = EFX_INT_MODE_MSI,
 	.phys_addr_channels = 4,
@@ -3167,8 +3162,6 @@ struct efx_nic_type falcon_b_nic_type = {
 	.evq_ptr_tbl_base = FR_BZ_EVQ_PTR_TBL,
 	.evq_rptr_tbl_base = FR_BZ_EVQ_RPTR,
 	.max_dma_mask = DMA_BIT_MASK(FSF_AZ_TX_KER_BUF_ADDR_WIDTH),
-	.tx_dma_mask = FALCON_TX_DMA_MASK,
-	.bug5391_mask = 0,
 	.rx_buffer_padding = 0,
 	.max_interrupt_mode = EFX_INT_MODE_MSIX,
 	.phys_addr_channels = 32, /* Hardware limit is 64, but the legacy
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index 3afadc621a8..91d8952e788 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -870,8 +870,6 @@ static inline const char *efx_dev_name(struct efx_nic *efx)
  * @evq_ptr_tbl_base: Event queue pointer table base address
  * @evq_rptr_tbl_base: Event queue read-pointer table base address
  * @max_dma_mask: Maximum possible DMA mask
- * @tx_dma_mask: TX DMA mask
- * @bug5391_mask: Address mask for bug 5391 workaround
  * @rx_buffer_padding: Padding added to each RX buffer
  * @max_interrupt_mode: Highest capability interrupt mode supported
  *	from &enum efx_init_mode.
@@ -888,8 +886,6 @@ struct efx_nic_type {
 	unsigned int evq_rptr_tbl_base;
 
 	u64 max_dma_mask;
-	unsigned int tx_dma_mask;
-	unsigned bug5391_mask;
 
 	unsigned int rx_buffer_padding;
 	unsigned int max_interrupt_mode;
diff --git a/drivers/net/sfc/tx.c b/drivers/net/sfc/tx.c
index ae554eec056..303919a34df 100644
--- a/drivers/net/sfc/tx.c
+++ b/drivers/net/sfc/tx.c
@@ -124,6 +124,24 @@ static void efx_tsoh_free(struct efx_tx_queue *tx_queue,
 }
 
 
+static inline unsigned
+efx_max_tx_len(struct efx_nic *efx, dma_addr_t dma_addr)
+{
+	/* Depending on the NIC revision, we can use descriptor
+	 * lengths up to 8K or 8K-1.  However, since PCI Express
+	 * devices must split read requests at 4K boundaries, there is
+	 * little benefit from using descriptors that cross those
+	 * boundaries and we keep things simple by not doing so.
+	 */
+	unsigned len = (~dma_addr & 0xfff) + 1;
+
+	/* Work around hardware bug for unaligned buffers. */
+	if (EFX_WORKAROUND_5391(efx) && (dma_addr & 0xf))
+		len = min_t(unsigned, len, 512 - (dma_addr & 0xf));
+
+	return len;
+}
+
 /*
  * Add a socket buffer to a TX queue
  *
@@ -146,7 +164,7 @@ static netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue,
 	skb_frag_t *fragment;
 	struct page *page;
 	int page_offset;
-	unsigned int len, unmap_len = 0, fill_level, insert_ptr, misalign;
+	unsigned int len, unmap_len = 0, fill_level, insert_ptr;
 	dma_addr_t dma_addr, unmap_addr = 0;
 	unsigned int dma_len;
 	bool unmap_single;
@@ -223,14 +241,10 @@ static netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue,
 			EFX_BUG_ON_PARANOID(!buffer->continuation);
 			EFX_BUG_ON_PARANOID(buffer->unmap_len);
 
-			dma_len = (((~dma_addr) & efx->type->tx_dma_mask) + 1);
-			if (likely(dma_len > len))
+			dma_len = efx_max_tx_len(efx, dma_addr);
+			if (likely(dma_len >= len))
 				dma_len = len;
 
-			misalign = (unsigned)dma_addr & efx->type->bug5391_mask;
-			if (misalign && dma_len + misalign > 512)
-				dma_len = 512 - misalign;
-
 			/* Fill out per descriptor fields */
 			buffer->len = dma_len;
 			buffer->dma_addr = dma_addr;
@@ -703,7 +717,7 @@ static int efx_tx_queue_insert(struct efx_tx_queue *tx_queue,
 {
 	struct efx_tx_buffer *buffer;
 	struct efx_nic *efx = tx_queue->efx;
-	unsigned dma_len, fill_level, insert_ptr, misalign;
+	unsigned dma_len, fill_level, insert_ptr;
 	int q_space;
 
 	EFX_BUG_ON_PARANOID(len <= 0);
@@ -752,12 +766,7 @@ static int efx_tx_queue_insert(struct efx_tx_queue *tx_queue,
 
 		buffer->dma_addr = dma_addr;
 
-		/* Ensure we do not cross a boundary unsupported by H/W */
-		dma_len = (~dma_addr & efx->type->tx_dma_mask) + 1;
-
-		misalign = (unsigned)dma_addr & efx->type->bug5391_mask;
-		if (misalign && dma_len + misalign > 512)
-			dma_len = 512 - misalign;
+		dma_len = efx_max_tx_len(efx, dma_addr);
 
 		/* If there is enough space to send then do so */
 		if (dma_len >= len)
diff --git a/drivers/net/sfc/workarounds.h b/drivers/net/sfc/workarounds.h
index c821c15445a..32502994948 100644
--- a/drivers/net/sfc/workarounds.h
+++ b/drivers/net/sfc/workarounds.h
@@ -41,6 +41,8 @@
 
 /* Spurious parity errors in TSORT buffers */
 #define EFX_WORKAROUND_5129 EFX_WORKAROUND_FALCON_A
+/* Unaligned read request >512 bytes after aligning may break TSORT */
+#define EFX_WORKAROUND_5391 EFX_WORKAROUND_FALCON_A
 /* iSCSI parsing errors */
 #define EFX_WORKAROUND_5583 EFX_WORKAROUND_FALCON_A
 /* RX events go missing */
-- 
GitLab


From 7d4cdb5af0d079d095501ad4164b4985a1661098 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 23 Oct 2009 08:31:29 +0000
Subject: [PATCH 0411/1815] sfc: Merge struct efx_blinker into struct efx_board

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/falcon_boards.c | 29 +++++++++++++++--------------
 drivers/net/sfc/net_driver.h    | 21 ++++++---------------
 2 files changed, 21 insertions(+), 29 deletions(-)

diff --git a/drivers/net/sfc/falcon_boards.c b/drivers/net/sfc/falcon_boards.c
index 3078c005811..f65738bb553 100644
--- a/drivers/net/sfc/falcon_boards.c
+++ b/drivers/net/sfc/falcon_boards.c
@@ -35,30 +35,31 @@
 static void blink_led_timer(unsigned long context)
 {
 	struct efx_nic *efx = (struct efx_nic *)context;
-	struct efx_blinker *bl = &efx->board_info.blinker;
-	efx->board_info.set_id_led(efx, bl->state);
-	bl->state = !bl->state;
-	if (bl->resubmit)
-		mod_timer(&bl->timer, jiffies + BLINK_INTERVAL);
+	struct efx_board *board = &efx->board_info;
+
+	board->set_id_led(efx, board->blink_state);
+	board->blink_state = !board->blink_state;
+	if (board->blink_resubmit)
+		mod_timer(&board->blink_timer, jiffies + BLINK_INTERVAL);
 }
 
 static void board_blink(struct efx_nic *efx, bool blink)
 {
-	struct efx_blinker *blinker = &efx->board_info.blinker;
+	struct efx_board *board = &efx->board_info;
 
 	/* The rtnl mutex serialises all ethtool ioctls, so
 	 * nothing special needs doing here. */
 	if (blink) {
-		blinker->resubmit = true;
-		blinker->state = false;
-		setup_timer(&blinker->timer, blink_led_timer,
+		board->blink_resubmit = true;
+		board->blink_state = false;
+		setup_timer(&board->blink_timer, blink_led_timer,
 			    (unsigned long)efx);
-		mod_timer(&blinker->timer, jiffies + BLINK_INTERVAL);
+		mod_timer(&board->blink_timer, jiffies + BLINK_INTERVAL);
 	} else {
-		blinker->resubmit = false;
-		if (blinker->timer.function)
-			del_timer_sync(&blinker->timer);
-		efx->board_info.init_leds(efx);
+		board->blink_resubmit = false;
+		if (board->blink_timer.function)
+			del_timer_sync(&board->blink_timer);
+		board->init_leds(efx);
 	}
 }
 
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index 91d8952e788..8e7b854c11a 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -388,19 +388,6 @@ struct efx_channel {
 
 };
 
-/**
- * struct efx_blinker - S/W LED blinking context
- * @state: Current state - on or off
- * @resubmit: Timer resubmission flag
- * @timer: Control timer for blinking
- */
-struct efx_blinker {
-	bool state;
-	bool resubmit;
-	struct timer_list timer;
-};
-
-
 /**
  * struct efx_board - board information
  * @type: Board model type
@@ -412,7 +399,9 @@ struct efx_blinker {
  * @blink: Starts/stops blinking
  * @monitor: Board-specific health check function
  * @fini: Cleanup function
- * @blinker: used to blink LEDs in software
+ * @blink_state: Current blink state
+ * @blink_resubmit: Blink timer resubmission flag
+ * @blink_timer: Blink timer
  * @hwmon_client: I2C client for hardware monitor
  * @ioexp_client: I2C client for power/port control
  */
@@ -429,7 +418,9 @@ struct efx_board {
 	int (*monitor) (struct efx_nic *nic);
 	void (*blink) (struct efx_nic *efx, bool start);
 	void (*fini) (struct efx_nic *nic);
-	struct efx_blinker blinker;
+	bool blink_state;
+	bool blink_resubmit;
+	struct timer_list blink_timer;
 	struct i2c_client *hwmon_client, *ioexp_client;
 };
 
-- 
GitLab


From f01865f0649f3d42b70fec8968adfd53734a3380 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 23 Oct 2009 08:31:37 +0000
Subject: [PATCH 0412/1815] sfc: Change order of device removal to reverse of
 probe order

This makes efx_pci_remove_main() more obviously the inverse of
efx_pci_probe_main(), and matches our out-of-tree driver.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 8b67553046e..862e4832f61 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -2025,12 +2025,12 @@ static void efx_pci_remove_main(struct efx_nic *efx)
 	if (!efx->membase)
 		return;
 
+	falcon_fini_interrupt(efx);
 	efx_fini_channels(efx);
 	efx_fini_port(efx);
 
 	/* Shutdown the board, then the NIC and board state */
 	efx->board_info.fini(efx);
-	falcon_fini_interrupt(efx);
 
 	efx_fini_napi(efx);
 	efx_remove_all(efx);
-- 
GitLab


From 5c86987e86d604442d81795259fc2c02308e8f44 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 23 Oct 2009 08:31:46 +0000
Subject: [PATCH 0413/1815] sfc: Remove declarations of nonexistent functions

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/falcon.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/sfc/falcon.h b/drivers/net/sfc/falcon.h
index 8d232bf612e..4dd965774a9 100644
--- a/drivers/net/sfc/falcon.h
+++ b/drivers/net/sfc/falcon.h
@@ -91,11 +91,9 @@ extern void falcon_fini_interrupt(struct efx_nic *efx);
 
 /* Global Resources */
 extern int falcon_probe_nic(struct efx_nic *efx);
-extern int falcon_probe_resources(struct efx_nic *efx);
 extern int falcon_init_nic(struct efx_nic *efx);
 extern int falcon_flush_queues(struct efx_nic *efx);
 extern int falcon_reset_hw(struct efx_nic *efx, enum reset_type method);
-extern void falcon_remove_resources(struct efx_nic *efx);
 extern void falcon_remove_nic(struct efx_nic *efx);
 extern void falcon_update_nic_stats(struct efx_nic *efx);
 extern void falcon_set_multicast_hash(struct efx_nic *efx);
-- 
GitLab


From 59cf09cc2fdbb651193e95d7c3335e751b8f748d Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 23 Oct 2009 08:31:54 +0000
Subject: [PATCH 0414/1815] sfc: Move efx_xmit_done() declaration into correct
 stanza

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/sfc/efx.h b/drivers/net/sfc/efx.h
index 20c8d62fd6e..ae76760d4f4 100644
--- a/drivers/net/sfc/efx.h
+++ b/drivers/net/sfc/efx.h
@@ -23,13 +23,13 @@
 extern netdev_tx_t efx_xmit(struct efx_nic *efx,
 				  struct efx_tx_queue *tx_queue,
 				  struct sk_buff *skb);
+extern void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index);
 extern void efx_stop_queue(struct efx_nic *efx);
 extern void efx_wake_queue(struct efx_nic *efx);
 #define EFX_TXQ_SIZE 1024
 #define EFX_TXQ_MASK (EFX_TXQ_SIZE - 1)
 
 /* RX */
-extern void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index);
 extern void efx_rx_packet(struct efx_rx_queue *rx_queue, unsigned int index,
 			  unsigned int len, bool checksummed, bool discard);
 extern void efx_schedule_slow_fill(struct efx_rx_queue *rx_queue, int delay);
-- 
GitLab


From 0484e0db7c4293d6202cff730ee359d8a7a6b085 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 23 Oct 2009 08:32:04 +0000
Subject: [PATCH 0415/1815] sfc: Move shared members of struct falcon_nic_data
 into struct efx_nic

These will also be used with Siena NICs.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/falcon.c     | 23 +++++++----------------
 drivers/net/sfc/net_driver.h |  7 +++++++
 2 files changed, 14 insertions(+), 16 deletions(-)

diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 34b475e9b29..1582df7aba7 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -35,19 +35,12 @@
 
 /**
  * struct falcon_nic_data - Falcon NIC state
- * @next_buffer_table: First available buffer table id
  * @pci_dev2: The secondary PCI device if present
  * @i2c_data: Operations and state for I2C bit-bashing algorithm
- * @int_error_count: Number of internal errors seen recently
- * @int_error_expire: Time at which error count will be expired
  */
 struct falcon_nic_data {
-	unsigned next_buffer_table;
 	struct pci_dev *pci_dev2;
 	struct i2c_algo_bit_data i2c_data;
-
-	unsigned int_error_count;
-	unsigned long int_error_expire;
 };
 
 /**************************************************************************
@@ -304,8 +297,6 @@ static int falcon_alloc_special_buffer(struct efx_nic *efx,
 				       struct efx_special_buffer *buffer,
 				       unsigned int len)
 {
-	struct falcon_nic_data *nic_data = efx->nic_data;
-
 	len = ALIGN(len, FALCON_BUF_SIZE);
 
 	buffer->addr = pci_alloc_consistent(efx->pci_dev, len,
@@ -320,8 +311,8 @@ static int falcon_alloc_special_buffer(struct efx_nic *efx,
 	memset(buffer->addr, 0xff, len);
 
 	/* Select new buffer ID */
-	buffer->index = nic_data->next_buffer_table;
-	nic_data->next_buffer_table += buffer->entries;
+	buffer->index = efx->next_buffer_table;
+	efx->next_buffer_table += buffer->entries;
 
 	EFX_LOG(efx, "allocating special buffers %d-%d at %llx+%x "
 		"(virt %p phys %llx)\n", buffer->index,
@@ -1411,13 +1402,13 @@ static irqreturn_t falcon_fatal_interrupt(struct efx_nic *efx)
 	falcon_disable_interrupts(efx);
 
 	/* Count errors and reset or disable the NIC accordingly */
-	if (nic_data->int_error_count == 0 ||
-	    time_after(jiffies, nic_data->int_error_expire)) {
-		nic_data->int_error_count = 0;
-		nic_data->int_error_expire =
+	if (efx->int_error_count == 0 ||
+	    time_after(jiffies, efx->int_error_expire)) {
+		efx->int_error_count = 0;
+		efx->int_error_expire =
 			jiffies + FALCON_INT_ERROR_EXPIRE * HZ;
 	}
-	if (++nic_data->int_error_count < FALCON_MAX_INT_ERRORS) {
+	if (++efx->int_error_count < FALCON_MAX_INT_ERRORS) {
 		EFX_ERR(efx, "SYSTEM ERROR - reset scheduled\n");
 		efx_schedule_reset(efx, RESET_TYPE_INT_ERROR);
 	} else {
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index 8e7b854c11a..25b793327c1 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -688,10 +688,13 @@ union efx_multicast_hash {
  * @tx_queue: TX DMA queues
  * @rx_queue: RX DMA queues
  * @channel: Channels
+ * @next_buffer_table: First available buffer table id
  * @n_rx_queues: Number of RX queues
  * @n_channels: Number of channels in use
  * @rx_buffer_len: RX buffer length
  * @rx_buffer_order: Order (log2) of number of pages for each RX buffer
+ * @int_error_count: Number of internal errors seen recently
+ * @int_error_expire: Time at which error count will be expired
  * @irq_status: Interrupt status buffer
  * @last_irq_cpu: Last CPU to handle interrupt.
  *	This register is written with the SMP processor ID whenever an
@@ -775,11 +778,15 @@ struct efx_nic {
 	struct efx_rx_queue rx_queue[EFX_MAX_RX_QUEUES];
 	struct efx_channel channel[EFX_MAX_CHANNELS];
 
+	unsigned next_buffer_table;
 	int n_rx_queues;
 	int n_channels;
 	unsigned int rx_buffer_len;
 	unsigned int rx_buffer_order;
 
+	unsigned int_error_count;
+	unsigned long int_error_expire;
+
 	struct efx_buffer irq_status;
 	volatile signed int last_irq_cpu;
 
-- 
GitLab


From 0d86ebd815416efb4e95ca70c3b8e65b476c5f9f Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 23 Oct 2009 08:32:13 +0000
Subject: [PATCH 0416/1815] sfc: Maintain interrupt moderation values in ticks,
 not microseconds

This simplifies the implementation a lot.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c        | 41 ++++++++++++++++++++----------------
 drivers/net/sfc/ethtool.c    |  8 +++----
 drivers/net/sfc/falcon.c     | 11 +---------
 drivers/net/sfc/net_driver.h |  2 +-
 4 files changed, 28 insertions(+), 34 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 862e4832f61..30951fb3d20 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -228,26 +228,20 @@ static int efx_poll(struct napi_struct *napi, int budget)
 		if (channel->used_flags & EFX_USED_BY_RX &&
 		    efx->irq_rx_adaptive &&
 		    unlikely(++channel->irq_count == 1000)) {
-			unsigned old_irq_moderation = channel->irq_moderation;
-
 			if (unlikely(channel->irq_mod_score <
 				     irq_adapt_low_thresh)) {
-				channel->irq_moderation =
-					max_t(int,
-					      channel->irq_moderation -
-					      FALCON_IRQ_MOD_RESOLUTION,
-					      FALCON_IRQ_MOD_RESOLUTION);
+				if (channel->irq_moderation > 1) {
+					channel->irq_moderation -= 1;
+					falcon_set_int_moderation(channel);
+				}
 			} else if (unlikely(channel->irq_mod_score >
 					    irq_adapt_high_thresh)) {
-				channel->irq_moderation =
-					min(channel->irq_moderation +
-					    FALCON_IRQ_MOD_RESOLUTION,
-					    efx->irq_rx_moderation);
+				if (channel->irq_moderation <
+				    efx->irq_rx_moderation) {
+					channel->irq_moderation += 1;
+					falcon_set_int_moderation(channel);
+				}
 			}
-
-			if (channel->irq_moderation != old_irq_moderation)
-				falcon_set_int_moderation(channel);
-
 			channel->irq_count = 0;
 			channel->irq_mod_score = 0;
 		}
@@ -1220,22 +1214,33 @@ void efx_flush_queues(struct efx_nic *efx)
  *
  **************************************************************************/
 
+static unsigned irq_mod_ticks(int usecs, int resolution)
+{
+	if (usecs <= 0)
+		return 0; /* cannot receive interrupts ahead of time :-) */
+	if (usecs < resolution)
+		return 1; /* never round down to 0 */
+	return usecs / resolution;
+}
+
 /* Set interrupt moderation parameters */
 void efx_init_irq_moderation(struct efx_nic *efx, int tx_usecs, int rx_usecs,
 			     bool rx_adaptive)
 {
 	struct efx_tx_queue *tx_queue;
 	struct efx_rx_queue *rx_queue;
+	unsigned tx_ticks = irq_mod_ticks(tx_usecs, FALCON_IRQ_MOD_RESOLUTION);
+	unsigned rx_ticks = irq_mod_ticks(rx_usecs, FALCON_IRQ_MOD_RESOLUTION);
 
 	EFX_ASSERT_RESET_SERIALISED(efx);
 
 	efx_for_each_tx_queue(tx_queue, efx)
-		tx_queue->channel->irq_moderation = tx_usecs;
+		tx_queue->channel->irq_moderation = tx_ticks;
 
 	efx->irq_rx_adaptive = rx_adaptive;
-	efx->irq_rx_moderation = rx_usecs;
+	efx->irq_rx_moderation = rx_ticks;
 	efx_for_each_rx_queue(rx_queue, efx)
-		rx_queue->channel->irq_moderation = rx_usecs;
+		rx_queue->channel->irq_moderation = rx_ticks;
 }
 
 /**************************************************************************
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index 45018f283ff..a313b61c8ff 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -618,6 +618,9 @@ static int efx_ethtool_get_coalesce(struct net_device *net_dev,
 	coalesce->use_adaptive_rx_coalesce = efx->irq_rx_adaptive;
 	coalesce->rx_coalesce_usecs_irq = efx->irq_rx_moderation;
 
+	coalesce->tx_coalesce_usecs_irq *= FALCON_IRQ_MOD_RESOLUTION;
+	coalesce->rx_coalesce_usecs_irq *= FALCON_IRQ_MOD_RESOLUTION;
+
 	return 0;
 }
 
@@ -656,11 +659,6 @@ static int efx_ethtool_set_coalesce(struct net_device *net_dev,
 	}
 
 	efx_init_irq_moderation(efx, tx_usecs, rx_usecs, adaptive);
-
-	/* Reset channel to pick up new moderation value.  Note that
-	 * this may change the value of the irq_moderation field
-	 * (e.g. to allow for hardware timer granularity).
-	 */
 	efx_for_each_channel(channel, efx)
 		falcon_set_int_moderation(channel);
 
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 1582df7aba7..e3c33fa06c8 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -1063,20 +1063,11 @@ void falcon_set_int_moderation(struct efx_channel *channel)
 
 	/* Set timer register */
 	if (channel->irq_moderation) {
-		/* Round to resolution supported by hardware.  The value we
-		 * program is based at 0.  So actual interrupt moderation
-		 * achieved is ((x + 1) * res).
-		 */
-		channel->irq_moderation -= (channel->irq_moderation %
-					    FALCON_IRQ_MOD_RESOLUTION);
-		if (channel->irq_moderation < FALCON_IRQ_MOD_RESOLUTION)
-			channel->irq_moderation = FALCON_IRQ_MOD_RESOLUTION;
 		EFX_POPULATE_DWORD_2(timer_cmd,
 				     FRF_AB_TC_TIMER_MODE,
 				     FFE_BB_TIMER_MODE_INT_HLDOFF,
 				     FRF_AB_TC_TIMER_VAL,
-				     channel->irq_moderation /
-				     FALCON_IRQ_MOD_RESOLUTION - 1);
+				     channel->irq_moderation - 1);
 	} else {
 		EFX_POPULATE_DWORD_2(timer_cmd,
 				     FRF_AB_TC_TIMER_MODE,
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index 25b793327c1..c8b6998d7fc 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -327,7 +327,7 @@ enum efx_rx_alloc_method {
  * @used_flags: Channel is used by net driver
  * @enabled: Channel enabled indicator
  * @irq: IRQ number (MSI and MSI-X only)
- * @irq_moderation: IRQ moderation value (in us)
+ * @irq_moderation: IRQ moderation value (in hardware ticks)
  * @napi_dev: Net device used with NAPI
  * @napi_str: NAPI control structure
  * @reset_work: Scheduled reset work thread
-- 
GitLab


From 8698a6b642910a3d35be7160cd00dc98ab584d97 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 23 Oct 2009 08:32:22 +0000
Subject: [PATCH 0417/1815] sfc: Removed kernel-doc for nonexistent member of
 efx_phy_operations

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/net_driver.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index c8b6998d7fc..13bc1b496da 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -528,7 +528,6 @@ struct efx_mac_operations {
  * @fini: Shut down PHY
  * @reconfigure: Reconfigure PHY (e.g. for new link parameters)
  * @clear_interrupt: Clear down interrupt
- * @blink: Blink LEDs
  * @poll: Poll for hardware state. Serialised by the mac_lock.
  * @get_settings: Get ethtool settings. Serialised by the mac_lock.
  * @set_settings: Set ethtool settings. Serialised by the mac_lock.
-- 
GitLab


From dc803df8dd68a045bea4753f5300eeecb961ca2d Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 23 Oct 2009 08:32:33 +0000
Subject: [PATCH 0418/1815] sfc: Remove pointless abstraction of memory BAR
 number

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c    | 16 +++++++---------
 drivers/net/sfc/efx.h    |  3 +++
 drivers/net/sfc/falcon.c |  2 --
 3 files changed, 10 insertions(+), 11 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 30951fb3d20..29003fe9cb4 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -818,9 +818,8 @@ static int efx_init_io(struct efx_nic *efx)
 		goto fail2;
 	}
 
-	efx->membase_phys = pci_resource_start(efx->pci_dev,
-					       efx->type->mem_bar);
-	rc = pci_request_region(pci_dev, efx->type->mem_bar, "sfc");
+	efx->membase_phys = pci_resource_start(efx->pci_dev, EFX_MEM_BAR);
+	rc = pci_request_region(pci_dev, EFX_MEM_BAR, "sfc");
 	if (rc) {
 		EFX_ERR(efx, "request for memory BAR failed\n");
 		rc = -EIO;
@@ -829,21 +828,20 @@ static int efx_init_io(struct efx_nic *efx)
 	efx->membase = ioremap_nocache(efx->membase_phys,
 				       efx->type->mem_map_size);
 	if (!efx->membase) {
-		EFX_ERR(efx, "could not map memory BAR %d at %llx+%x\n",
-			efx->type->mem_bar,
+		EFX_ERR(efx, "could not map memory BAR at %llx+%x\n",
 			(unsigned long long)efx->membase_phys,
 			efx->type->mem_map_size);
 		rc = -ENOMEM;
 		goto fail4;
 	}
-	EFX_LOG(efx, "memory BAR %u at %llx+%x (virtual %p)\n",
-		efx->type->mem_bar, (unsigned long long)efx->membase_phys,
+	EFX_LOG(efx, "memory BAR at %llx+%x (virtual %p)\n",
+		(unsigned long long)efx->membase_phys,
 		efx->type->mem_map_size, efx->membase);
 
 	return 0;
 
  fail4:
-	pci_release_region(efx->pci_dev, efx->type->mem_bar);
+	pci_release_region(efx->pci_dev, EFX_MEM_BAR);
  fail3:
 	efx->membase_phys = 0;
  fail2:
@@ -862,7 +860,7 @@ static void efx_fini_io(struct efx_nic *efx)
 	}
 
 	if (efx->membase_phys) {
-		pci_release_region(efx->pci_dev, efx->type->mem_bar);
+		pci_release_region(efx->pci_dev, EFX_MEM_BAR);
 		efx->membase_phys = 0;
 	}
 
diff --git a/drivers/net/sfc/efx.h b/drivers/net/sfc/efx.h
index ae76760d4f4..179e0e3b0ec 100644
--- a/drivers/net/sfc/efx.h
+++ b/drivers/net/sfc/efx.h
@@ -19,6 +19,9 @@
 #define FALCON_A_S_DEVID        0x6703
 #define FALCON_B_P_DEVID        0x0710
 
+/* Solarstorm controllers use BAR 0 for I/O space and BAR 2(&3) for memory */
+#define EFX_MEM_BAR 2
+
 /* TX */
 extern netdev_tx_t efx_xmit(struct efx_nic *efx,
 				  struct efx_tx_queue *tx_queue,
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index e3c33fa06c8..ade27920a96 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -3117,7 +3117,6 @@ void falcon_update_nic_stats(struct efx_nic *efx)
  */
 
 struct efx_nic_type falcon_a_nic_type = {
-	.mem_bar = 2,
 	.mem_map_size = 0x20000,
 	.txd_ptr_tbl_base = FR_AA_TX_DESC_PTR_TBL_KER,
 	.rxd_ptr_tbl_base = FR_AA_RX_DESC_PTR_TBL_KER,
@@ -3131,7 +3130,6 @@ struct efx_nic_type falcon_a_nic_type = {
 };
 
 struct efx_nic_type falcon_b_nic_type = {
-	.mem_bar = 2,
 	/* Map everything up to and including the RSS indirection
 	 * table.  Don't map MSI-X table, MSI-X PBA since Linux
 	 * requires that they not be mapped.  */
-- 
GitLab


From 96c45726c7dd5ee11b8773810208c41e40a93ffd Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 23 Oct 2009 08:32:42 +0000
Subject: [PATCH 0419/1815] sfc: Merge falcon_probe_phy() into
 falcon_probe_port()

MAC and PHY probing are bound up together, as evidenced by the
initialisation of efx_nic::loopback_modes.  Remove the current
arbitrary separation.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/falcon.c | 60 +++++++++++++++++-----------------------
 1 file changed, 25 insertions(+), 35 deletions(-)

diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index ade27920a96..d9ce21edfa6 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -2173,37 +2173,6 @@ static int falcon_mdio_read(struct net_device *net_dev,
 	return rc;
 }
 
-static int falcon_probe_phy(struct efx_nic *efx)
-{
-	switch (efx->phy_type) {
-	case PHY_TYPE_SFX7101:
-		efx->phy_op = &falcon_sfx7101_phy_ops;
-		break;
-	case PHY_TYPE_SFT9001A:
-	case PHY_TYPE_SFT9001B:
-		efx->phy_op = &falcon_sft9001_phy_ops;
-		break;
-	case PHY_TYPE_QT2022C2:
-	case PHY_TYPE_QT2025C:
-		efx->phy_op = &falcon_xfp_phy_ops;
-		break;
-	default:
-		EFX_ERR(efx, "Unknown PHY type %d\n",
-			efx->phy_type);
-		return -1;
-	}
-
-	if (efx->phy_op->macs & EFX_XMAC)
-		efx->loopback_modes |= ((1 << LOOPBACK_XGMII) |
-					(1 << LOOPBACK_XGXS) |
-					(1 << LOOPBACK_XAUI));
-	if (efx->phy_op->macs & EFX_GMAC)
-		efx->loopback_modes |= (1 << LOOPBACK_GMAC);
-	efx->loopback_modes |= efx->phy_op->loopbacks;
-
-	return 0;
-}
-
 int falcon_switch_mac(struct efx_nic *efx)
 {
 	struct efx_mac_operations *old_mac_op = efx->mac_op;
@@ -2260,10 +2229,31 @@ int falcon_probe_port(struct efx_nic *efx)
 {
 	int rc;
 
-	/* Hook in PHY operations table */
-	rc = falcon_probe_phy(efx);
-	if (rc)
-		return rc;
+	switch (efx->phy_type) {
+	case PHY_TYPE_SFX7101:
+		efx->phy_op = &falcon_sfx7101_phy_ops;
+		break;
+	case PHY_TYPE_SFT9001A:
+	case PHY_TYPE_SFT9001B:
+		efx->phy_op = &falcon_sft9001_phy_ops;
+		break;
+	case PHY_TYPE_QT2022C2:
+	case PHY_TYPE_QT2025C:
+		efx->phy_op = &falcon_xfp_phy_ops;
+		break;
+	default:
+		EFX_ERR(efx, "Unknown PHY type %d\n",
+			efx->phy_type);
+		return -ENODEV;
+	}
+
+	if (efx->phy_op->macs & EFX_XMAC)
+		efx->loopback_modes |= ((1 << LOOPBACK_XGMII) |
+					(1 << LOOPBACK_XGXS) |
+					(1 << LOOPBACK_XAUI));
+	if (efx->phy_op->macs & EFX_GMAC)
+		efx->loopback_modes |= (1 << LOOPBACK_GMAC);
+	efx->loopback_modes |= efx->phy_op->loopbacks;
 
 	/* Set up MDIO structure for PHY */
 	efx->mdio.mmds = efx->phy_op->mmds;
-- 
GitLab


From be4b163b28917499ea1f8755eee8509ee2675ec3 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 23 Oct 2009 08:32:51 +0000
Subject: [PATCH 0420/1815] sfc: Remove incorrect assertion from
 efx_pci_remove_main()

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 29003fe9cb4..c9258017632 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -2022,8 +2022,6 @@ static void efx_fini_struct(struct efx_nic *efx)
  */
 static void efx_pci_remove_main(struct efx_nic *efx)
 {
-	EFX_ASSERT_RESET_SERIALISED(efx);
-
 	/* Skip everything if we never obtained a valid membase */
 	if (!efx->membase)
 		return;
-- 
GitLab


From 2ed380a59b3725dc5fbda3627792172afbefc8eb Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 23 Oct 2009 08:33:00 +0000
Subject: [PATCH 0421/1815] sfc: Remove unnecessary tests of efx->membase

These cleanup functions will never be called if the MMIO region could
not be mapped.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index c9258017632..8fc6a6edc36 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -2022,10 +2022,6 @@ static void efx_fini_struct(struct efx_nic *efx)
  */
 static void efx_pci_remove_main(struct efx_nic *efx)
 {
-	/* Skip everything if we never obtained a valid membase */
-	if (!efx->membase)
-		return;
-
 	falcon_fini_interrupt(efx);
 	efx_fini_channels(efx);
 	efx_fini_port(efx);
@@ -2056,9 +2052,6 @@ static void efx_pci_remove(struct pci_dev *pci_dev)
 	/* Allow any queued efx_resets() to complete */
 	rtnl_unlock();
 
-	if (efx->membase == NULL)
-		goto out;
-
 	efx_unregister_netdev(efx);
 
 	efx_mtd_remove(efx);
@@ -2071,7 +2064,6 @@ static void efx_pci_remove(struct pci_dev *pci_dev)
 
 	efx_pci_remove_main(efx);
 
-out:
 	efx_fini_io(efx);
 	EFX_LOG(efx, "shutdown successful\n");
 
-- 
GitLab


From a5211bb5f72c55d936dab56363ca9755981164bd Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 23 Oct 2009 08:33:09 +0000
Subject: [PATCH 0422/1815] sfc: Move MTD probe after netdev registration and
 name allocation

The MTD partition is named based on the netdev name, which is set to
'eth%d' before registration.  Also, the MTD partition will currently
be left registered if netdev registration fails.

Fix both these problems by moving the MTD probe after netdev
registration.  Hold the RTNL to serialise this with the netdev
notifier that calls efx_mtd_rename().

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 8fc6a6edc36..0d0243b7ac3 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -2209,13 +2209,15 @@ static int __devinit efx_pci_probe(struct pci_dev *pci_dev,
 	 * MAC stats succeeds. */
 	efx->state = STATE_RUNNING;
 
-	efx_mtd_probe(efx); /* allowed to fail */
-
 	rc = efx_register_netdev(efx);
 	if (rc)
 		goto fail5;
 
 	EFX_LOG(efx, "initialisation successful\n");
+
+	rtnl_lock();
+	efx_mtd_probe(efx); /* allowed to fail */
+	rtnl_unlock();
 	return 0;
 
  fail5:
-- 
GitLab


From 18ea024fd6abd1a857de9dc0f588a222cf279521 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 23 Oct 2009 08:33:17 +0000
Subject: [PATCH 0423/1815] sfc: Merge efx_fc_resolve() into
 efx_mdio_get_pause()

efx_fc_resolve() is specific to MDIO and is not used by any other
function.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/mdio_10g.c   | 12 ++++++++----
 drivers/net/sfc/net_driver.h | 11 -----------
 2 files changed, 8 insertions(+), 15 deletions(-)

diff --git a/drivers/net/sfc/mdio_10g.c b/drivers/net/sfc/mdio_10g.c
index b355872de6c..25fb20adf4b 100644
--- a/drivers/net/sfc/mdio_10g.c
+++ b/drivers/net/sfc/mdio_10g.c
@@ -341,10 +341,14 @@ int efx_mdio_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
 
 enum efx_fc_type efx_mdio_get_pause(struct efx_nic *efx)
 {
-	int lpa;
+	BUILD_BUG_ON(EFX_FC_AUTO & (EFX_FC_RX | EFX_FC_TX));
 
-	if (!(efx->phy_op->mmds & MDIO_DEVS_AN))
+	if (!(efx->wanted_fc & EFX_FC_AUTO))
 		return efx->wanted_fc;
-	lpa = efx_mdio_read(efx, MDIO_MMD_AN, MDIO_AN_LPA);
-	return efx_fc_resolve(efx->wanted_fc, lpa);
+
+	WARN_ON(!(efx->mdio.mmds & MDIO_DEVS_AN));
+
+	return mii_resolve_flowctrl_fdx(
+		mii_advertise_flowctrl(efx->wanted_fc),
+		efx_mdio_read(efx, MDIO_MMD_AN, MDIO_AN_LPA));
 }
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index 13bc1b496da..bb3d258bd5e 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -497,17 +497,6 @@ enum efx_mac_type {
 	EFX_XMAC = 2,
 };
 
-static inline enum efx_fc_type efx_fc_resolve(enum efx_fc_type wanted_fc,
-					      unsigned int lpa)
-{
-	BUILD_BUG_ON(EFX_FC_AUTO & (EFX_FC_RX | EFX_FC_TX));
-
-	if (!(wanted_fc & EFX_FC_AUTO))
-		return wanted_fc;
-
-	return mii_resolve_flowctrl_fdx(mii_advertise_flowctrl(wanted_fc), lpa);
-}
-
 /**
  * struct efx_mac_operations - Efx MAC operations table
  * @reconfigure: Reconfigure MAC. Serialised by the mac_lock
-- 
GitLab


From fc2b5e673fceece2bbc153fe8c63c8cf93cfe611 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 23 Oct 2009 08:33:27 +0000
Subject: [PATCH 0424/1815] sfc: Remove unused code for non-autoneg
 speed/duplex switching

The only multi-speed PHY driver using this is 10Xpress, and it does
not support non-autoneg operation.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/mdio_10g.c | 108 ++++++++++++++-----------------------
 1 file changed, 39 insertions(+), 69 deletions(-)

diff --git a/drivers/net/sfc/mdio_10g.c b/drivers/net/sfc/mdio_10g.c
index 25fb20adf4b..231e580acc9 100644
--- a/drivers/net/sfc/mdio_10g.c
+++ b/drivers/net/sfc/mdio_10g.c
@@ -248,7 +248,7 @@ void efx_mdio_set_mmds_lpower(struct efx_nic *efx,
 int efx_mdio_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
 {
 	struct ethtool_cmd prev;
-	u32 required;
+	bool xnp;
 	int reg;
 
 	efx->phy_op->get_settings(efx, &prev);
@@ -265,76 +265,46 @@ int efx_mdio_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
 		return -EINVAL;
 
 	/* Check that PHY supports these settings */
-	if (ecmd->autoneg) {
-		required = SUPPORTED_Autoneg;
-	} else if (ecmd->duplex) {
-		switch (ecmd->speed) {
-		case SPEED_10:  required = SUPPORTED_10baseT_Full;  break;
-		case SPEED_100: required = SUPPORTED_100baseT_Full; break;
-		default:        return -EINVAL;
-		}
-	} else {
-		switch (ecmd->speed) {
-		case SPEED_10:  required = SUPPORTED_10baseT_Half;  break;
-		case SPEED_100: required = SUPPORTED_100baseT_Half; break;
-		default:        return -EINVAL;
-		}
-	}
-	required |= ecmd->advertising;
-	if (required & ~prev.supported)
+	if (!ecmd->autoneg ||
+	    (ecmd->advertising | SUPPORTED_Autoneg) & ~prev.supported)
 		return -EINVAL;
 
-	if (ecmd->autoneg) {
-		bool xnp = (ecmd->advertising & ADVERTISED_10000baseT_Full
-			    || EFX_WORKAROUND_13204(efx));
-
-		/* Set up the base page */
-		reg = ADVERTISE_CSMA;
-		if (ecmd->advertising & ADVERTISED_10baseT_Half)
-			reg |= ADVERTISE_10HALF;
-		if (ecmd->advertising & ADVERTISED_10baseT_Full)
-			reg |= ADVERTISE_10FULL;
-		if (ecmd->advertising & ADVERTISED_100baseT_Half)
-			reg |= ADVERTISE_100HALF;
-		if (ecmd->advertising & ADVERTISED_100baseT_Full)
-			reg |= ADVERTISE_100FULL;
-		if (xnp)
-			reg |= ADVERTISE_RESV;
-		else if (ecmd->advertising & (ADVERTISED_1000baseT_Half |
-					      ADVERTISED_1000baseT_Full))
-			reg |= ADVERTISE_NPAGE;
-		reg |= mii_advertise_flowctrl(efx->wanted_fc);
-		efx_mdio_write(efx, MDIO_MMD_AN, MDIO_AN_ADVERTISE, reg);
-
-		/* Set up the (extended) next page if necessary */
-		if (efx->phy_op->set_npage_adv)
-			efx->phy_op->set_npage_adv(efx, ecmd->advertising);
-
-		/* Enable and restart AN */
-		reg = efx_mdio_read(efx, MDIO_MMD_AN, MDIO_CTRL1);
-		reg |= MDIO_AN_CTRL1_ENABLE;
-		if (!(EFX_WORKAROUND_15195(efx) &&
-		      LOOPBACK_MASK(efx) & efx->phy_op->loopbacks))
-			reg |= MDIO_AN_CTRL1_RESTART;
-		if (xnp)
-			reg |= MDIO_AN_CTRL1_XNP;
-		else
-			reg &= ~MDIO_AN_CTRL1_XNP;
-		efx_mdio_write(efx, MDIO_MMD_AN, MDIO_CTRL1, reg);
-	} else {
-		/* Disable AN */
-		efx_mdio_set_flag(efx, MDIO_MMD_AN, MDIO_CTRL1,
-				  MDIO_AN_CTRL1_ENABLE, false);
-
-		/* Set the basic control bits */
-		reg = efx_mdio_read(efx, MDIO_MMD_PMAPMD, MDIO_CTRL1);
-		reg &= ~(MDIO_CTRL1_SPEEDSEL | MDIO_CTRL1_FULLDPLX);
-		if (ecmd->speed == SPEED_100)
-			reg |= MDIO_PMA_CTRL1_SPEED100;
-		if (ecmd->duplex)
-			reg |= MDIO_CTRL1_FULLDPLX;
-		efx_mdio_write(efx, MDIO_MMD_PMAPMD, MDIO_CTRL1, reg);
-	}
+	xnp = (ecmd->advertising & ADVERTISED_10000baseT_Full
+	       || EFX_WORKAROUND_13204(efx));
+
+	/* Set up the base page */
+	reg = ADVERTISE_CSMA;
+	if (ecmd->advertising & ADVERTISED_10baseT_Half)
+		reg |= ADVERTISE_10HALF;
+	if (ecmd->advertising & ADVERTISED_10baseT_Full)
+		reg |= ADVERTISE_10FULL;
+	if (ecmd->advertising & ADVERTISED_100baseT_Half)
+		reg |= ADVERTISE_100HALF;
+	if (ecmd->advertising & ADVERTISED_100baseT_Full)
+		reg |= ADVERTISE_100FULL;
+	if (xnp)
+		reg |= ADVERTISE_RESV;
+	else if (ecmd->advertising & (ADVERTISED_1000baseT_Half |
+				      ADVERTISED_1000baseT_Full))
+		reg |= ADVERTISE_NPAGE;
+	reg |= mii_advertise_flowctrl(efx->wanted_fc);
+	efx_mdio_write(efx, MDIO_MMD_AN, MDIO_AN_ADVERTISE, reg);
+
+	/* Set up the (extended) next page if necessary */
+	if (efx->phy_op->set_npage_adv)
+		efx->phy_op->set_npage_adv(efx, ecmd->advertising);
+
+	/* Enable and restart AN */
+	reg = efx_mdio_read(efx, MDIO_MMD_AN, MDIO_CTRL1);
+	reg |= MDIO_AN_CTRL1_ENABLE;
+	if (!(EFX_WORKAROUND_15195(efx) &&
+	      LOOPBACK_MASK(efx) & efx->phy_op->loopbacks))
+		reg |= MDIO_AN_CTRL1_RESTART;
+	if (xnp)
+		reg |= MDIO_AN_CTRL1_XNP;
+	else
+		reg &= ~MDIO_AN_CTRL1_XNP;
+	efx_mdio_write(efx, MDIO_MMD_AN, MDIO_CTRL1, reg);
 
 	return 0;
 }
-- 
GitLab


From b37b62fea1d1bf68ca51818f8eb1035188efd030 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 23 Oct 2009 08:33:42 +0000
Subject: [PATCH 0425/1815] sfc: Rename 'xfp' file and functions to reflect
 reality

The 'XFP' driver is really a driver for the QT2022C2 and QT2025C PHYs,
covering both more and less than XFP.  Rename its functions and
constants to reflect reality and to reduce namespace pollution when
sfc is a built-in driver.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/Makefile                    |  2 +-
 drivers/net/sfc/falcon.c                    |  2 +-
 drivers/net/sfc/falcon_boards.c             | 26 +++----
 drivers/net/sfc/phy.h                       |  6 +-
 drivers/net/sfc/{xfp_phy.c => qt202x_phy.c} | 80 ++++++++++-----------
 5 files changed, 58 insertions(+), 58 deletions(-)
 rename drivers/net/sfc/{xfp_phy.c => qt202x_phy.c} (73%)

diff --git a/drivers/net/sfc/Makefile b/drivers/net/sfc/Makefile
index 9c98d06ada7..7b52fe10d38 100644
--- a/drivers/net/sfc/Makefile
+++ b/drivers/net/sfc/Makefile
@@ -1,5 +1,5 @@
 sfc-y			+= efx.o falcon.o tx.o rx.o falcon_gmac.o \
-			   falcon_xmac.o selftest.o ethtool.o xfp_phy.o \
+			   falcon_xmac.o selftest.o ethtool.o qt202x_phy.o \
 			   mdio_10g.o tenxpress.o falcon_boards.o
 sfc-$(CONFIG_SFC_MTD)	+= mtd.o
 
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index d9ce21edfa6..8776432f683 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -2239,7 +2239,7 @@ int falcon_probe_port(struct efx_nic *efx)
 		break;
 	case PHY_TYPE_QT2022C2:
 	case PHY_TYPE_QT2025C:
-		efx->phy_op = &falcon_xfp_phy_ops;
+		efx->phy_op = &falcon_qt202x_phy_ops;
 		break;
 	default:
 		EFX_ERR(efx, "Unknown PHY type %d\n",
diff --git a/drivers/net/sfc/falcon_boards.c b/drivers/net/sfc/falcon_boards.c
index f65738bb553..99f737223b1 100644
--- a/drivers/net/sfc/falcon_boards.c
+++ b/drivers/net/sfc/falcon_boards.c
@@ -612,17 +612,17 @@ static void sfe4002_init_leds(struct efx_nic *efx)
 {
 	/* Set the TX and RX LEDs to reflect status and activity, and the
 	 * fault LED off */
-	xfp_set_led(efx, SFE4002_TX_LED,
-		    QUAKE_LED_TXLINK | QUAKE_LED_LINK_ACTSTAT);
-	xfp_set_led(efx, SFE4002_RX_LED,
-		    QUAKE_LED_RXLINK | QUAKE_LED_LINK_ACTSTAT);
-	xfp_set_led(efx, SFE4002_FAULT_LED, QUAKE_LED_OFF);
+	falcon_qt202x_set_led(efx, SFE4002_TX_LED,
+			      QUAKE_LED_TXLINK | QUAKE_LED_LINK_ACTSTAT);
+	falcon_qt202x_set_led(efx, SFE4002_RX_LED,
+			      QUAKE_LED_RXLINK | QUAKE_LED_LINK_ACTSTAT);
+	falcon_qt202x_set_led(efx, SFE4002_FAULT_LED, QUAKE_LED_OFF);
 }
 
 static void sfe4002_set_id_led(struct efx_nic *efx, bool state)
 {
-	xfp_set_led(efx, SFE4002_FAULT_LED, state ? QUAKE_LED_ON :
-			QUAKE_LED_OFF);
+	falcon_qt202x_set_led(efx, SFE4002_FAULT_LED, state ? QUAKE_LED_ON :
+			      QUAKE_LED_OFF);
 }
 
 static int sfe4002_check_hw(struct efx_nic *efx)
@@ -677,16 +677,16 @@ static struct i2c_board_info sfn4112f_hwmon_info = {
 
 static void sfn4112f_init_leds(struct efx_nic *efx)
 {
-	xfp_set_led(efx, SFN4112F_ACT_LED,
-		    QUAKE_LED_RXLINK | QUAKE_LED_LINK_ACT);
-	xfp_set_led(efx, SFN4112F_LINK_LED,
-		    QUAKE_LED_RXLINK | QUAKE_LED_LINK_STAT);
+	falcon_qt202x_set_led(efx, SFN4112F_ACT_LED,
+			      QUAKE_LED_RXLINK | QUAKE_LED_LINK_ACT);
+	falcon_qt202x_set_led(efx, SFN4112F_LINK_LED,
+			      QUAKE_LED_RXLINK | QUAKE_LED_LINK_STAT);
 }
 
 static void sfn4112f_set_id_led(struct efx_nic *efx, bool state)
 {
-	xfp_set_led(efx, SFN4112F_LINK_LED,
-		    state ? QUAKE_LED_ON : QUAKE_LED_OFF);
+	falcon_qt202x_set_led(efx, SFN4112F_LINK_LED,
+			      state ? QUAKE_LED_ON : QUAKE_LED_OFF);
 }
 
 static int sfn4112f_check_hw(struct efx_nic *efx)
diff --git a/drivers/net/sfc/phy.h b/drivers/net/sfc/phy.h
index c1cff9c0c17..b5150f3bca3 100644
--- a/drivers/net/sfc/phy.h
+++ b/drivers/net/sfc/phy.h
@@ -23,9 +23,9 @@ extern void tenxpress_phy_blink(struct efx_nic *efx, bool blink);
 extern int sft9001_wait_boot(struct efx_nic *efx);
 
 /****************************************************************************
- * AMCC/Quake QT20xx PHYs
+ * AMCC/Quake QT202x PHYs
  */
-extern struct efx_phy_operations falcon_xfp_phy_ops;
+extern struct efx_phy_operations falcon_qt202x_phy_ops;
 
 /* These PHYs provide various H/W control states for LEDs */
 #define QUAKE_LED_LINK_INVAL	(0)
@@ -39,6 +39,6 @@ extern struct efx_phy_operations falcon_xfp_phy_ops;
 #define QUAKE_LED_TXLINK	(0)
 #define QUAKE_LED_RXLINK	(8)
 
-extern void xfp_set_led(struct efx_nic *p, int led, int state);
+extern void falcon_qt202x_set_led(struct efx_nic *p, int led, int state);
 
 #endif
diff --git a/drivers/net/sfc/xfp_phy.c b/drivers/net/sfc/qt202x_phy.c
similarity index 73%
rename from drivers/net/sfc/xfp_phy.c
rename to drivers/net/sfc/qt202x_phy.c
index e6b3d5eaddb..560eb18280e 100644
--- a/drivers/net/sfc/xfp_phy.c
+++ b/drivers/net/sfc/qt202x_phy.c
@@ -7,8 +7,7 @@
  * by the Free Software Foundation, incorporated herein by reference.
  */
 /*
- * Driver for SFP+ and XFP optical PHYs plus some support specific to the
- * AMCC QT20xx adapters; see www.amcc.com for details
+ * Driver for AMCC QT202x SFP+ and XFP adapters; see www.amcc.com for details
  */
 
 #include <linux/timer.h>
@@ -18,13 +17,13 @@
 #include "phy.h"
 #include "falcon.h"
 
-#define XFP_REQUIRED_DEVS (MDIO_DEVS_PCS |	\
-			   MDIO_DEVS_PMAPMD |	\
-			   MDIO_DEVS_PHYXS)
+#define QT202X_REQUIRED_DEVS (MDIO_DEVS_PCS |		\
+			      MDIO_DEVS_PMAPMD |	\
+			      MDIO_DEVS_PHYXS)
 
-#define XFP_LOOPBACKS ((1 << LOOPBACK_PCS) |		\
-		       (1 << LOOPBACK_PMAPMD) |		\
-		       (1 << LOOPBACK_NETWORK))
+#define QT202X_LOOPBACKS ((1 << LOOPBACK_PCS) |		\
+			  (1 << LOOPBACK_PMAPMD) |	\
+			  (1 << LOOPBACK_NETWORK))
 
 /****************************************************************************/
 /* Quake-specific MDIO registers */
@@ -45,18 +44,18 @@
 #define PCS_VEND1_REG	   	0xc000
 #define PCS_VEND1_LBTXD_LBN	5
 
-void xfp_set_led(struct efx_nic *p, int led, int mode)
+void falcon_qt202x_set_led(struct efx_nic *p, int led, int mode)
 {
 	int addr = MDIO_QUAKE_LED0_REG + led;
 	efx_mdio_write(p, MDIO_MMD_PMAPMD, addr, mode);
 }
 
-struct xfp_phy_data {
+struct qt202x_phy_data {
 	enum efx_phy_mode phy_mode;
 };
 
-#define XFP_MAX_RESET_TIME 500
-#define XFP_RESET_WAIT 10
+#define QT2022C2_MAX_RESET_TIME 500
+#define QT2022C2_RESET_WAIT 10
 
 static int qt2025c_wait_reset(struct efx_nic *efx)
 {
@@ -97,7 +96,7 @@ static int qt2025c_wait_reset(struct efx_nic *efx)
 	return 0;
 }
 
-static int xfp_reset_phy(struct efx_nic *efx)
+static int qt202x_reset_phy(struct efx_nic *efx)
 {
 	int rc;
 
@@ -111,8 +110,9 @@ static int xfp_reset_phy(struct efx_nic *efx)
 		/* Reset the PHYXS MMD. This is documented as doing
 		 * a complete soft reset. */
 		rc = efx_mdio_reset_mmd(efx, MDIO_MMD_PHYXS,
-					XFP_MAX_RESET_TIME / XFP_RESET_WAIT,
-					XFP_RESET_WAIT);
+					QT2022C2_MAX_RESET_TIME /
+					QT2022C2_RESET_WAIT,
+					QT2022C2_RESET_WAIT);
 		if (rc < 0)
 			goto fail;
 	}
@@ -122,7 +122,7 @@ static int xfp_reset_phy(struct efx_nic *efx)
 
 	/* Check that all the MMDs we expect are present and responding. We
 	 * expect faults on some if the link is down, but not on the PHY XS */
-	rc = efx_mdio_check_mmds(efx, XFP_REQUIRED_DEVS, MDIO_DEVS_PHYXS);
+	rc = efx_mdio_check_mmds(efx, QT202X_REQUIRED_DEVS, MDIO_DEVS_PHYXS);
 	if (rc < 0)
 		goto fail;
 
@@ -135,13 +135,13 @@ static int xfp_reset_phy(struct efx_nic *efx)
 	return rc;
 }
 
-static int xfp_phy_init(struct efx_nic *efx)
+static int qt202x_phy_init(struct efx_nic *efx)
 {
-	struct xfp_phy_data *phy_data;
+	struct qt202x_phy_data *phy_data;
 	u32 devid = efx_mdio_read_id(efx, MDIO_MMD_PHYXS);
 	int rc;
 
-	phy_data = kzalloc(sizeof(struct xfp_phy_data), GFP_KERNEL);
+	phy_data = kzalloc(sizeof(struct qt202x_phy_data), GFP_KERNEL);
 	if (!phy_data)
 		return -ENOMEM;
 	efx->phy_data = phy_data;
@@ -152,7 +152,7 @@ static int xfp_phy_init(struct efx_nic *efx)
 
 	phy_data->phy_mode = efx->phy_mode;
 
-	rc = xfp_reset_phy(efx);
+	rc = qt202x_reset_phy(efx);
 
 	EFX_INFO(efx, "PHY init %s.\n",
 		 rc ? "failed" : "successful");
@@ -167,28 +167,28 @@ static int xfp_phy_init(struct efx_nic *efx)
 	return rc;
 }
 
-static void xfp_phy_clear_interrupt(struct efx_nic *efx)
+static void qt202x_phy_clear_interrupt(struct efx_nic *efx)
 {
 	/* Read to clear link status alarm */
 	efx_mdio_read(efx, MDIO_MMD_PMAPMD, MDIO_PMA_LASI_STAT);
 }
 
-static int xfp_link_ok(struct efx_nic *efx)
+static int qt202x_link_ok(struct efx_nic *efx)
 {
-	return efx_mdio_links_ok(efx, XFP_REQUIRED_DEVS);
+	return efx_mdio_links_ok(efx, QT202X_REQUIRED_DEVS);
 }
 
-static void xfp_phy_poll(struct efx_nic *efx)
+static void qt202x_phy_poll(struct efx_nic *efx)
 {
-	int link_up = xfp_link_ok(efx);
+	int link_up = qt202x_link_ok(efx);
 	/* Simulate a PHY event if link state has changed */
 	if (link_up != efx->link_up)
 		falcon_sim_phy_event(efx);
 }
 
-static void xfp_phy_reconfigure(struct efx_nic *efx)
+static void qt202x_phy_reconfigure(struct efx_nic *efx)
 {
-	struct xfp_phy_data *phy_data = efx->phy_data;
+	struct qt202x_phy_data *phy_data = efx->phy_data;
 
 	if (efx->phy_type == PHY_TYPE_QT2025C) {
 		/* There are several different register bits which can
@@ -207,7 +207,7 @@ static void xfp_phy_reconfigure(struct efx_nic *efx)
 		/* Reset the PHY when moving from tx off to tx on */
 		if (!(efx->phy_mode & PHY_MODE_TX_DISABLED) &&
 		    (phy_data->phy_mode & PHY_MODE_TX_DISABLED))
-			xfp_reset_phy(efx);
+			qt202x_reset_phy(efx);
 
 		efx_mdio_transmit_disable(efx);
 	}
@@ -215,18 +215,18 @@ static void xfp_phy_reconfigure(struct efx_nic *efx)
 	efx_mdio_phy_reconfigure(efx);
 
 	phy_data->phy_mode = efx->phy_mode;
-	efx->link_up = xfp_link_ok(efx);
+	efx->link_up = qt202x_link_ok(efx);
 	efx->link_speed = 10000;
 	efx->link_fd = true;
 	efx->link_fc = efx->wanted_fc;
 }
 
-static void xfp_phy_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
+static void qt202x_phy_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
 {
 	mdio45_ethtool_gset(&efx->mdio, ecmd);
 }
 
-static void xfp_phy_fini(struct efx_nic *efx)
+static void qt202x_phy_fini(struct efx_nic *efx)
 {
 	/* Clobber the LED if it was blinking */
 	efx->board_info.blink(efx, false);
@@ -236,15 +236,15 @@ static void xfp_phy_fini(struct efx_nic *efx)
 	efx->phy_data = NULL;
 }
 
-struct efx_phy_operations falcon_xfp_phy_ops = {
+struct efx_phy_operations falcon_qt202x_phy_ops = {
 	.macs		 = EFX_XMAC,
-	.init            = xfp_phy_init,
-	.reconfigure     = xfp_phy_reconfigure,
-	.poll            = xfp_phy_poll,
-	.fini            = xfp_phy_fini,
-	.clear_interrupt = xfp_phy_clear_interrupt,
-	.get_settings    = xfp_phy_get_settings,
+	.init		 = qt202x_phy_init,
+	.reconfigure	 = qt202x_phy_reconfigure,
+	.poll	     	 = qt202x_phy_poll,
+	.fini	  	 = qt202x_phy_fini,
+	.clear_interrupt = qt202x_phy_clear_interrupt,
+	.get_settings	 = qt202x_phy_get_settings,
 	.set_settings	 = efx_mdio_set_settings,
-	.mmds            = XFP_REQUIRED_DEVS,
-	.loopbacks       = XFP_LOOPBACKS,
+	.mmds            = QT202X_REQUIRED_DEVS,
+	.loopbacks       = QT202X_LOOPBACKS,
 };
-- 
GitLab


From ef9a9d1183b36fbf3de327f44596533b770c3005 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 23 Oct 2009 17:51:26 +0000
Subject: [PATCH 0426/1815] ipv6 sit: RCU conversion phase I

SIT tunnels use one rwlock to protect their prl entries.

This first patch adds RCU locking for prl management,
with standard call_rcu() calls.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/ipip.h |  1 +
 net/ipv6/sit.c     | 73 +++++++++++++++++++++++++++++++---------------
 2 files changed, 51 insertions(+), 23 deletions(-)

diff --git a/include/net/ipip.h b/include/net/ipip.h
index 86f1c8bd040..b3db2fd6e61 100644
--- a/include/net/ipip.h
+++ b/include/net/ipip.h
@@ -45,6 +45,7 @@ struct ip_tunnel_prl_entry
 	struct ip_tunnel_prl_entry	*next;
 	__be32				addr;
 	u16				flags;
+	struct rcu_head			rcu_head;
 };
 
 #define IPTUNNEL_XMIT() do {						\
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 510d31f3cb9..8cdcc2ad048 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -240,15 +240,22 @@ failed:
 	return NULL;
 }
 
+static DEFINE_SPINLOCK(ipip6_prl_lock);
+
+#define for_each_prl_rcu(start)			\
+	for (prl = rcu_dereference(start);	\
+	     prl;				\
+	     prl = rcu_dereference(prl->next))
+
 static struct ip_tunnel_prl_entry *
 __ipip6_tunnel_locate_prl(struct ip_tunnel *t, __be32 addr)
 {
-	struct ip_tunnel_prl_entry *p = (struct ip_tunnel_prl_entry *)NULL;
+	struct ip_tunnel_prl_entry *prl;
 
-	for (p = t->prl; p; p = p->next)
-		if (p->addr == addr)
+	for_each_prl_rcu(t->prl)
+		if (prl->addr == addr)
 			break;
-	return p;
+	return prl;
 
 }
 
@@ -273,7 +280,7 @@ static int ipip6_tunnel_get_prl(struct ip_tunnel *t,
 		kcalloc(cmax, sizeof(*kp), GFP_KERNEL) :
 		NULL;
 
-	read_lock(&ipip6_lock);
+	rcu_read_lock();
 
 	ca = t->prl_count < cmax ? t->prl_count : cmax;
 
@@ -291,7 +298,7 @@ static int ipip6_tunnel_get_prl(struct ip_tunnel *t,
 	}
 
 	c = 0;
-	for (prl = t->prl; prl; prl = prl->next) {
+	for_each_prl_rcu(t->prl) {
 		if (c >= cmax)
 			break;
 		if (kprl.addr != htonl(INADDR_ANY) && prl->addr != kprl.addr)
@@ -303,7 +310,7 @@ static int ipip6_tunnel_get_prl(struct ip_tunnel *t,
 			break;
 	}
 out:
-	read_unlock(&ipip6_lock);
+	rcu_read_unlock();
 
 	len = sizeof(*kp) * c;
 	ret = 0;
@@ -324,12 +331,14 @@ ipip6_tunnel_add_prl(struct ip_tunnel *t, struct ip_tunnel_prl *a, int chg)
 	if (a->addr == htonl(INADDR_ANY))
 		return -EINVAL;
 
-	write_lock(&ipip6_lock);
+	spin_lock(&ipip6_prl_lock);
 
 	for (p = t->prl; p; p = p->next) {
 		if (p->addr == a->addr) {
-			if (chg)
-				goto update;
+			if (chg) {
+				p->flags = a->flags;
+				goto out;
+			}
 			err = -EEXIST;
 			goto out;
 		}
@@ -346,46 +355,63 @@ ipip6_tunnel_add_prl(struct ip_tunnel *t, struct ip_tunnel_prl *a, int chg)
 		goto out;
 	}
 
+	INIT_RCU_HEAD(&p->rcu_head);
 	p->next = t->prl;
-	t->prl = p;
-	t->prl_count++;
-update:
 	p->addr = a->addr;
 	p->flags = a->flags;
+	t->prl_count++;
+	rcu_assign_pointer(t->prl, p);
 out:
-	write_unlock(&ipip6_lock);
+	spin_unlock(&ipip6_prl_lock);
 	return err;
 }
 
+static void prl_entry_destroy_rcu(struct rcu_head *head)
+{
+	kfree(container_of(head, struct ip_tunnel_prl_entry, rcu_head));
+}
+
+static void prl_list_destroy_rcu(struct rcu_head *head)
+{
+	struct ip_tunnel_prl_entry *p, *n;
+
+	p = container_of(head, struct ip_tunnel_prl_entry, rcu_head);
+	do {
+		n = p->next;
+		kfree(p);
+		p = n;
+	} while (p);
+}
+
 static int
 ipip6_tunnel_del_prl(struct ip_tunnel *t, struct ip_tunnel_prl *a)
 {
 	struct ip_tunnel_prl_entry *x, **p;
 	int err = 0;
 
-	write_lock(&ipip6_lock);
+	spin_lock(&ipip6_prl_lock);
 
 	if (a && a->addr != htonl(INADDR_ANY)) {
 		for (p = &t->prl; *p; p = &(*p)->next) {
 			if ((*p)->addr == a->addr) {
 				x = *p;
 				*p = x->next;
-				kfree(x);
+				call_rcu(&x->rcu_head, prl_entry_destroy_rcu);
 				t->prl_count--;
 				goto out;
 			}
 		}
 		err = -ENXIO;
 	} else {
-		while (t->prl) {
+		if (t->prl) {
+			t->prl_count = 0;
 			x = t->prl;
-			t->prl = t->prl->next;
-			kfree(x);
-			t->prl_count--;
+			call_rcu(&x->rcu_head, prl_list_destroy_rcu);
+			t->prl = NULL;
 		}
 	}
 out:
-	write_unlock(&ipip6_lock);
+	spin_unlock(&ipip6_prl_lock);
 	return err;
 }
 
@@ -395,7 +421,7 @@ isatap_chksrc(struct sk_buff *skb, struct iphdr *iph, struct ip_tunnel *t)
 	struct ip_tunnel_prl_entry *p;
 	int ok = 1;
 
-	read_lock(&ipip6_lock);
+	rcu_read_lock();
 	p = __ipip6_tunnel_locate_prl(t, iph->saddr);
 	if (p) {
 		if (p->flags & PRL_DEFAULT)
@@ -411,7 +437,7 @@ isatap_chksrc(struct sk_buff *skb, struct iphdr *iph, struct ip_tunnel *t)
 		else
 			ok = 0;
 	}
-	read_unlock(&ipip6_lock);
+	rcu_read_unlock();
 	return ok;
 }
 
@@ -1192,6 +1218,7 @@ static void __exit sit_cleanup(void)
 	xfrm4_tunnel_deregister(&sit_handler, AF_INET6);
 
 	unregister_pernet_gen_device(sit_net_id, &sit_net_ops);
+	rcu_barrier(); /* Wait for completion of call_rcu()'s */
 }
 
 static int __init sit_init(void)
-- 
GitLab


From 4543c10de267bdd4f9acdb7708456909ed7eed3c Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 23 Oct 2009 17:52:14 +0000
Subject: [PATCH 0427/1815] ipv6 sit: RCU conversion phase II

SIT tunnels use one rwlock to protect their hash tables.

This locking scheme can be converted to RCU for free, since netdevice
already must wait for a RCU grace period at dismantle time.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/sit.c | 45 +++++++++++++++++++++++++++------------------
 1 file changed, 27 insertions(+), 18 deletions(-)

diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 8cdcc2ad048..b6b16264b30 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -77,8 +77,17 @@ struct sit_net {
 	struct net_device *fb_tunnel_dev;
 };
 
-static DEFINE_RWLOCK(ipip6_lock);
+/*
+ * Locking : hash tables are protected by RCU and a spinlock
+ */
+static DEFINE_SPINLOCK(ipip6_lock);
+
+#define for_each_ip_tunnel_rcu(start) \
+	for (t = rcu_dereference(start); t; t = rcu_dereference(t->next))
 
+/*
+ * Must be invoked with rcu_read_lock
+ */
 static struct ip_tunnel * ipip6_tunnel_lookup(struct net *net,
 		struct net_device *dev, __be32 remote, __be32 local)
 {
@@ -87,26 +96,26 @@ static struct ip_tunnel * ipip6_tunnel_lookup(struct net *net,
 	struct ip_tunnel *t;
 	struct sit_net *sitn = net_generic(net, sit_net_id);
 
-	for (t = sitn->tunnels_r_l[h0^h1]; t; t = t->next) {
+	for_each_ip_tunnel_rcu(sitn->tunnels_r_l[h0 ^ h1]) {
 		if (local == t->parms.iph.saddr &&
 		    remote == t->parms.iph.daddr &&
 		    (!dev || !t->parms.link || dev->iflink == t->parms.link) &&
 		    (t->dev->flags & IFF_UP))
 			return t;
 	}
-	for (t = sitn->tunnels_r[h0]; t; t = t->next) {
+	for_each_ip_tunnel_rcu(sitn->tunnels_r[h0]) {
 		if (remote == t->parms.iph.daddr &&
 		    (!dev || !t->parms.link || dev->iflink == t->parms.link) &&
 		    (t->dev->flags & IFF_UP))
 			return t;
 	}
-	for (t = sitn->tunnels_l[h1]; t; t = t->next) {
+	for_each_ip_tunnel_rcu(sitn->tunnels_l[h1]) {
 		if (local == t->parms.iph.saddr &&
 		    (!dev || !t->parms.link || dev->iflink == t->parms.link) &&
 		    (t->dev->flags & IFF_UP))
 			return t;
 	}
-	t = sitn->tunnels_wc[0];
+	t = rcu_dereference(sitn->tunnels_wc[0]);
 	if ((t != NULL) && (t->dev->flags & IFF_UP))
 		return t;
 	return NULL;
@@ -143,9 +152,9 @@ static void ipip6_tunnel_unlink(struct sit_net *sitn, struct ip_tunnel *t)
 
 	for (tp = ipip6_bucket(sitn, t); *tp; tp = &(*tp)->next) {
 		if (t == *tp) {
-			write_lock_bh(&ipip6_lock);
+			spin_lock_bh(&ipip6_lock);
 			*tp = t->next;
-			write_unlock_bh(&ipip6_lock);
+			spin_unlock_bh(&ipip6_lock);
 			break;
 		}
 	}
@@ -155,10 +164,10 @@ static void ipip6_tunnel_link(struct sit_net *sitn, struct ip_tunnel *t)
 {
 	struct ip_tunnel **tp = ipip6_bucket(sitn, t);
 
+	spin_lock_bh(&ipip6_lock);
 	t->next = *tp;
-	write_lock_bh(&ipip6_lock);
-	*tp = t;
-	write_unlock_bh(&ipip6_lock);
+	rcu_assign_pointer(*tp, t);
+	spin_unlock_bh(&ipip6_lock);
 }
 
 static void ipip6_tunnel_clone_6rd(struct net_device *dev, struct sit_net *sitn)
@@ -447,9 +456,9 @@ static void ipip6_tunnel_uninit(struct net_device *dev)
 	struct sit_net *sitn = net_generic(net, sit_net_id);
 
 	if (dev == sitn->fb_tunnel_dev) {
-		write_lock_bh(&ipip6_lock);
+		spin_lock_bh(&ipip6_lock);
 		sitn->tunnels_wc[0] = NULL;
-		write_unlock_bh(&ipip6_lock);
+		spin_unlock_bh(&ipip6_lock);
 		dev_put(dev);
 	} else {
 		ipip6_tunnel_unlink(sitn, netdev_priv(dev));
@@ -502,7 +511,7 @@ static int ipip6_err(struct sk_buff *skb, u32 info)
 
 	err = -ENOENT;
 
-	read_lock(&ipip6_lock);
+	rcu_read_lock();
 	t = ipip6_tunnel_lookup(dev_net(skb->dev),
 				skb->dev,
 				iph->daddr,
@@ -520,7 +529,7 @@ static int ipip6_err(struct sk_buff *skb, u32 info)
 		t->err_count = 1;
 	t->err_time = jiffies;
 out:
-	read_unlock(&ipip6_lock);
+	rcu_read_unlock();
 	return err;
 }
 
@@ -540,7 +549,7 @@ static int ipip6_rcv(struct sk_buff *skb)
 
 	iph = ip_hdr(skb);
 
-	read_lock(&ipip6_lock);
+	rcu_read_lock();
 	tunnel = ipip6_tunnel_lookup(dev_net(skb->dev), skb->dev,
 				     iph->saddr, iph->daddr);
 	if (tunnel != NULL) {
@@ -554,7 +563,7 @@ static int ipip6_rcv(struct sk_buff *skb)
 		if ((tunnel->dev->priv_flags & IFF_ISATAP) &&
 		    !isatap_chksrc(skb, iph, tunnel)) {
 			tunnel->dev->stats.rx_errors++;
-			read_unlock(&ipip6_lock);
+			rcu_read_unlock();
 			kfree_skb(skb);
 			return 0;
 		}
@@ -565,12 +574,12 @@ static int ipip6_rcv(struct sk_buff *skb)
 		nf_reset(skb);
 		ipip6_ecn_decapsulate(iph, skb);
 		netif_rx(skb);
-		read_unlock(&ipip6_lock);
+		rcu_read_unlock();
 		return 0;
 	}
 
 	icmp_send(skb, ICMP_DEST_UNREACH, ICMP_PORT_UNREACH, 0);
-	read_unlock(&ipip6_lock);
+	rcu_read_unlock();
 out:
 	kfree_skb(skb);
 	return 0;
-- 
GitLab


From 91cc3bb0b04ffef49bb044e06b221ea5de053e91 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 23 Oct 2009 18:19:19 +0000
Subject: [PATCH 0428/1815] xfrm6_tunnel: RCU conversion

xfrm6_tunnels use one rwlock to protect their hash tables.

Plain and straightforward conversion to RCU locking to permit better SMP
performance.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/xfrm6_tunnel.c | 47 ++++++++++++++++++++++++-----------------
 1 file changed, 28 insertions(+), 19 deletions(-)

diff --git a/net/ipv6/xfrm6_tunnel.c b/net/ipv6/xfrm6_tunnel.c
index 81a95c00e50..438831d3359 100644
--- a/net/ipv6/xfrm6_tunnel.c
+++ b/net/ipv6/xfrm6_tunnel.c
@@ -23,7 +23,7 @@
  */
 #include <linux/module.h>
 #include <linux/xfrm.h>
-#include <linux/list.h>
+#include <linux/rculist.h>
 #include <net/ip.h>
 #include <net/xfrm.h>
 #include <net/ipv6.h>
@@ -36,14 +36,15 @@
  * per xfrm_address_t.
  */
 struct xfrm6_tunnel_spi {
-	struct hlist_node list_byaddr;
-	struct hlist_node list_byspi;
-	xfrm_address_t addr;
-	u32 spi;
-	atomic_t refcnt;
+	struct hlist_node	list_byaddr;
+	struct hlist_node	list_byspi;
+	xfrm_address_t		addr;
+	u32			spi;
+	atomic_t		refcnt;
+	struct rcu_head		rcu_head;
 };
 
-static DEFINE_RWLOCK(xfrm6_tunnel_spi_lock);
+static DEFINE_SPINLOCK(xfrm6_tunnel_spi_lock);
 
 static u32 xfrm6_tunnel_spi;
 
@@ -107,6 +108,7 @@ static void xfrm6_tunnel_spi_fini(void)
 		if (!hlist_empty(&xfrm6_tunnel_spi_byspi[i]))
 			return;
 	}
+	rcu_barrier();
 	kmem_cache_destroy(xfrm6_tunnel_spi_kmem);
 	xfrm6_tunnel_spi_kmem = NULL;
 }
@@ -116,7 +118,7 @@ static struct xfrm6_tunnel_spi *__xfrm6_tunnel_spi_lookup(xfrm_address_t *saddr)
 	struct xfrm6_tunnel_spi *x6spi;
 	struct hlist_node *pos;
 
-	hlist_for_each_entry(x6spi, pos,
+	hlist_for_each_entry_rcu(x6spi, pos,
 			     &xfrm6_tunnel_spi_byaddr[xfrm6_tunnel_spi_hash_byaddr(saddr)],
 			     list_byaddr) {
 		if (memcmp(&x6spi->addr, saddr, sizeof(x6spi->addr)) == 0)
@@ -131,10 +133,10 @@ __be32 xfrm6_tunnel_spi_lookup(xfrm_address_t *saddr)
 	struct xfrm6_tunnel_spi *x6spi;
 	u32 spi;
 
-	read_lock_bh(&xfrm6_tunnel_spi_lock);
+	rcu_read_lock_bh();
 	x6spi = __xfrm6_tunnel_spi_lookup(saddr);
 	spi = x6spi ? x6spi->spi : 0;
-	read_unlock_bh(&xfrm6_tunnel_spi_lock);
+	rcu_read_unlock_bh();
 	return htonl(spi);
 }
 
@@ -185,14 +187,15 @@ alloc_spi:
 	if (!x6spi)
 		goto out;
 
+	INIT_RCU_HEAD(&x6spi->rcu_head);
 	memcpy(&x6spi->addr, saddr, sizeof(x6spi->addr));
 	x6spi->spi = spi;
 	atomic_set(&x6spi->refcnt, 1);
 
-	hlist_add_head(&x6spi->list_byspi, &xfrm6_tunnel_spi_byspi[index]);
+	hlist_add_head_rcu(&x6spi->list_byspi, &xfrm6_tunnel_spi_byspi[index]);
 
 	index = xfrm6_tunnel_spi_hash_byaddr(saddr);
-	hlist_add_head(&x6spi->list_byaddr, &xfrm6_tunnel_spi_byaddr[index]);
+	hlist_add_head_rcu(&x6spi->list_byaddr, &xfrm6_tunnel_spi_byaddr[index]);
 out:
 	return spi;
 }
@@ -202,26 +205,32 @@ __be32 xfrm6_tunnel_alloc_spi(xfrm_address_t *saddr)
 	struct xfrm6_tunnel_spi *x6spi;
 	u32 spi;
 
-	write_lock_bh(&xfrm6_tunnel_spi_lock);
+	spin_lock_bh(&xfrm6_tunnel_spi_lock);
 	x6spi = __xfrm6_tunnel_spi_lookup(saddr);
 	if (x6spi) {
 		atomic_inc(&x6spi->refcnt);
 		spi = x6spi->spi;
 	} else
 		spi = __xfrm6_tunnel_alloc_spi(saddr);
-	write_unlock_bh(&xfrm6_tunnel_spi_lock);
+	spin_unlock_bh(&xfrm6_tunnel_spi_lock);
 
 	return htonl(spi);
 }
 
 EXPORT_SYMBOL(xfrm6_tunnel_alloc_spi);
 
+static void x6spi_destroy_rcu(struct rcu_head *head)
+{
+	kmem_cache_free(xfrm6_tunnel_spi_kmem,
+			container_of(head, struct xfrm6_tunnel_spi, rcu_head));
+}
+
 void xfrm6_tunnel_free_spi(xfrm_address_t *saddr)
 {
 	struct xfrm6_tunnel_spi *x6spi;
 	struct hlist_node *pos, *n;
 
-	write_lock_bh(&xfrm6_tunnel_spi_lock);
+	spin_lock_bh(&xfrm6_tunnel_spi_lock);
 
 	hlist_for_each_entry_safe(x6spi, pos, n,
 				  &xfrm6_tunnel_spi_byaddr[xfrm6_tunnel_spi_hash_byaddr(saddr)],
@@ -229,14 +238,14 @@ void xfrm6_tunnel_free_spi(xfrm_address_t *saddr)
 	{
 		if (memcmp(&x6spi->addr, saddr, sizeof(x6spi->addr)) == 0) {
 			if (atomic_dec_and_test(&x6spi->refcnt)) {
-				hlist_del(&x6spi->list_byaddr);
-				hlist_del(&x6spi->list_byspi);
-				kmem_cache_free(xfrm6_tunnel_spi_kmem, x6spi);
+				hlist_del_rcu(&x6spi->list_byaddr);
+				hlist_del_rcu(&x6spi->list_byspi);
+				call_rcu(&x6spi->rcu_head, x6spi_destroy_rcu);
 				break;
 			}
 		}
 	}
-	write_unlock_bh(&xfrm6_tunnel_spi_lock);
+	spin_unlock_bh(&xfrm6_tunnel_spi_lock);
 }
 
 EXPORT_SYMBOL(xfrm6_tunnel_free_spi);
-- 
GitLab


From 8f95dd63a2ab6fe7243c4f0bd2c3266e3a5525ab Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 23 Oct 2009 05:42:02 +0000
Subject: [PATCH 0429/1815] ipip: convert hash tables locking to RCU

IPIP tunnels use one rwlock to protect their hash tables.

This locking scheme can be converted to RCU for free, since netdevice
already must wait for a RCU grace period at dismantle time.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/ipip.c | 49 ++++++++++++++++++++++++++++---------------------
 1 file changed, 28 insertions(+), 21 deletions(-)

diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 6a5539236ab..3bd69988bcc 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -134,7 +134,13 @@ static void ipip_fb_tunnel_init(struct net_device *dev);
 static void ipip_tunnel_init(struct net_device *dev);
 static void ipip_tunnel_setup(struct net_device *dev);
 
-static DEFINE_RWLOCK(ipip_lock);
+/*
+ * Locking : hash tables are protected by RCU and a spinlock
+ */
+static DEFINE_SPINLOCK(ipip_lock);
+
+#define for_each_ip_tunnel_rcu(start) \
+	for (t = rcu_dereference(start); t; t = rcu_dereference(t->next))
 
 static struct ip_tunnel * ipip_tunnel_lookup(struct net *net,
 		__be32 remote, __be32 local)
@@ -144,20 +150,21 @@ static struct ip_tunnel * ipip_tunnel_lookup(struct net *net,
 	struct ip_tunnel *t;
 	struct ipip_net *ipn = net_generic(net, ipip_net_id);
 
-	for (t = ipn->tunnels_r_l[h0^h1]; t; t = t->next) {
+	for_each_ip_tunnel_rcu(ipn->tunnels_r_l[h0 ^ h1])
 		if (local == t->parms.iph.saddr &&
 		    remote == t->parms.iph.daddr && (t->dev->flags&IFF_UP))
 			return t;
-	}
-	for (t = ipn->tunnels_r[h0]; t; t = t->next) {
+
+	for_each_ip_tunnel_rcu(ipn->tunnels_r[h0])
 		if (remote == t->parms.iph.daddr && (t->dev->flags&IFF_UP))
 			return t;
-	}
-	for (t = ipn->tunnels_l[h1]; t; t = t->next) {
+
+	for_each_ip_tunnel_rcu(ipn->tunnels_l[h1])
 		if (local == t->parms.iph.saddr && (t->dev->flags&IFF_UP))
 			return t;
-	}
-	if ((t = ipn->tunnels_wc[0]) != NULL && (t->dev->flags&IFF_UP))
+
+	t = rcu_dereference(ipn->tunnels_wc[0]);
+	if (t && (t->dev->flags&IFF_UP))
 		return t;
 	return NULL;
 }
@@ -193,9 +200,9 @@ static void ipip_tunnel_unlink(struct ipip_net *ipn, struct ip_tunnel *t)
 
 	for (tp = ipip_bucket(ipn, t); *tp; tp = &(*tp)->next) {
 		if (t == *tp) {
-			write_lock_bh(&ipip_lock);
+			spin_lock_bh(&ipip_lock);
 			*tp = t->next;
-			write_unlock_bh(&ipip_lock);
+			spin_unlock_bh(&ipip_lock);
 			break;
 		}
 	}
@@ -205,10 +212,10 @@ static void ipip_tunnel_link(struct ipip_net *ipn, struct ip_tunnel *t)
 {
 	struct ip_tunnel **tp = ipip_bucket(ipn, t);
 
+	spin_lock_bh(&ipip_lock);
 	t->next = *tp;
-	write_lock_bh(&ipip_lock);
-	*tp = t;
-	write_unlock_bh(&ipip_lock);
+	rcu_assign_pointer(*tp, t);
+	spin_unlock_bh(&ipip_lock);
 }
 
 static struct ip_tunnel * ipip_tunnel_locate(struct net *net,
@@ -267,9 +274,9 @@ static void ipip_tunnel_uninit(struct net_device *dev)
 	struct ipip_net *ipn = net_generic(net, ipip_net_id);
 
 	if (dev == ipn->fb_tunnel_dev) {
-		write_lock_bh(&ipip_lock);
+		spin_lock_bh(&ipip_lock);
 		ipn->tunnels_wc[0] = NULL;
-		write_unlock_bh(&ipip_lock);
+		spin_unlock_bh(&ipip_lock);
 	} else
 		ipip_tunnel_unlink(ipn, netdev_priv(dev));
 	dev_put(dev);
@@ -318,7 +325,7 @@ static int ipip_err(struct sk_buff *skb, u32 info)
 
 	err = -ENOENT;
 
-	read_lock(&ipip_lock);
+	rcu_read_lock();
 	t = ipip_tunnel_lookup(dev_net(skb->dev), iph->daddr, iph->saddr);
 	if (t == NULL || t->parms.iph.daddr == 0)
 		goto out;
@@ -333,7 +340,7 @@ static int ipip_err(struct sk_buff *skb, u32 info)
 		t->err_count = 1;
 	t->err_time = jiffies;
 out:
-	read_unlock(&ipip_lock);
+	rcu_read_unlock();
 	return err;
 }
 
@@ -351,11 +358,11 @@ static int ipip_rcv(struct sk_buff *skb)
 	struct ip_tunnel *tunnel;
 	const struct iphdr *iph = ip_hdr(skb);
 
-	read_lock(&ipip_lock);
+	rcu_read_lock();
 	if ((tunnel = ipip_tunnel_lookup(dev_net(skb->dev),
 					iph->saddr, iph->daddr)) != NULL) {
 		if (!xfrm4_policy_check(NULL, XFRM_POLICY_IN, skb)) {
-			read_unlock(&ipip_lock);
+			rcu_read_unlock();
 			kfree_skb(skb);
 			return 0;
 		}
@@ -374,10 +381,10 @@ static int ipip_rcv(struct sk_buff *skb)
 		nf_reset(skb);
 		ipip_ecn_decapsulate(iph, skb);
 		netif_rx(skb);
-		read_unlock(&ipip_lock);
+		rcu_read_unlock();
 		return 0;
 	}
-	read_unlock(&ipip_lock);
+	rcu_read_unlock();
 
 	return -1;
 }
-- 
GitLab


From 2922bc8aedfcd41ca6171cfe1a79ff111ad72019 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 23 Oct 2009 06:34:34 +0000
Subject: [PATCH 0430/1815] ip6tnl: convert hash tables locking to RCU

ip6_tunnels use one rwlock to protect their hash tables.

This locking scheme can be converted to RCU for free, since netdevice
already must wait for a RCU grace period at dismantle time.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/ip6_tunnel.c | 44 ++++++++++++++++++++++++-------------------
 1 file changed, 25 insertions(+), 19 deletions(-)

diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index c595bbe1ed9..670c291d256 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -88,8 +88,10 @@ struct ip6_tnl_net {
 	struct ip6_tnl **tnls[2];
 };
 
-/* lock for the tunnel lists */
-static DEFINE_RWLOCK(ip6_tnl_lock);
+/*
+ * Locking : hash tables are protected by RCU and a spinlock
+ */
+static DEFINE_SPINLOCK(ip6_tnl_lock);
 
 static inline struct dst_entry *ip6_tnl_dst_check(struct ip6_tnl *t)
 {
@@ -130,6 +132,9 @@ static inline void ip6_tnl_dst_store(struct ip6_tnl *t, struct dst_entry *dst)
  *   else %NULL
  **/
 
+#define for_each_ip6_tunnel_rcu(start) \
+	for (t = rcu_dereference(start); t; t = rcu_dereference(t->next))
+
 static struct ip6_tnl *
 ip6_tnl_lookup(struct net *net, struct in6_addr *remote, struct in6_addr *local)
 {
@@ -138,13 +143,14 @@ ip6_tnl_lookup(struct net *net, struct in6_addr *remote, struct in6_addr *local)
 	struct ip6_tnl *t;
 	struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
 
-	for (t = ip6n->tnls_r_l[h0 ^ h1]; t; t = t->next) {
+	for_each_ip6_tunnel_rcu(ip6n->tnls_r_l[h0 ^ h1]) {
 		if (ipv6_addr_equal(local, &t->parms.laddr) &&
 		    ipv6_addr_equal(remote, &t->parms.raddr) &&
 		    (t->dev->flags & IFF_UP))
 			return t;
 	}
-	if ((t = ip6n->tnls_wc[0]) != NULL && (t->dev->flags & IFF_UP))
+	t = rcu_dereference(ip6n->tnls_wc[0]);
+	if (t && (t->dev->flags & IFF_UP))
 		return t;
 
 	return NULL;
@@ -186,10 +192,10 @@ ip6_tnl_link(struct ip6_tnl_net *ip6n, struct ip6_tnl *t)
 {
 	struct ip6_tnl **tp = ip6_tnl_bucket(ip6n, &t->parms);
 
+	spin_lock_bh(&ip6_tnl_lock);
 	t->next = *tp;
-	write_lock_bh(&ip6_tnl_lock);
-	*tp = t;
-	write_unlock_bh(&ip6_tnl_lock);
+	rcu_assign_pointer(*tp, t);
+	spin_unlock_bh(&ip6_tnl_lock);
 }
 
 /**
@@ -204,9 +210,9 @@ ip6_tnl_unlink(struct ip6_tnl_net *ip6n, struct ip6_tnl *t)
 
 	for (tp = ip6_tnl_bucket(ip6n, &t->parms); *tp; tp = &(*tp)->next) {
 		if (t == *tp) {
-			write_lock_bh(&ip6_tnl_lock);
+			spin_lock_bh(&ip6_tnl_lock);
 			*tp = t->next;
-			write_unlock_bh(&ip6_tnl_lock);
+			spin_unlock_bh(&ip6_tnl_lock);
 			break;
 		}
 	}
@@ -313,9 +319,9 @@ ip6_tnl_dev_uninit(struct net_device *dev)
 	struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
 
 	if (dev == ip6n->fb_tnl_dev) {
-		write_lock_bh(&ip6_tnl_lock);
+		spin_lock_bh(&ip6_tnl_lock);
 		ip6n->tnls_wc[0] = NULL;
-		write_unlock_bh(&ip6_tnl_lock);
+		spin_unlock_bh(&ip6_tnl_lock);
 	} else {
 		ip6_tnl_unlink(ip6n, t);
 	}
@@ -409,7 +415,7 @@ ip6_tnl_err(struct sk_buff *skb, __u8 ipproto, struct inet6_skb_parm *opt,
 	   in trouble since we might need the source address for further
 	   processing of the error. */
 
-	read_lock(&ip6_tnl_lock);
+	rcu_read_lock();
 	if ((t = ip6_tnl_lookup(dev_net(skb->dev), &ipv6h->daddr,
 					&ipv6h->saddr)) == NULL)
 		goto out;
@@ -482,7 +488,7 @@ ip6_tnl_err(struct sk_buff *skb, __u8 ipproto, struct inet6_skb_parm *opt,
 	*msg = rel_msg;
 
 out:
-	read_unlock(&ip6_tnl_lock);
+	rcu_read_unlock();
 	return err;
 }
 
@@ -693,23 +699,23 @@ static int ip6_tnl_rcv(struct sk_buff *skb, __u16 protocol,
 	struct ip6_tnl *t;
 	struct ipv6hdr *ipv6h = ipv6_hdr(skb);
 
-	read_lock(&ip6_tnl_lock);
+	rcu_read_lock();
 
 	if ((t = ip6_tnl_lookup(dev_net(skb->dev), &ipv6h->saddr,
 					&ipv6h->daddr)) != NULL) {
 		if (t->parms.proto != ipproto && t->parms.proto != 0) {
-			read_unlock(&ip6_tnl_lock);
+			rcu_read_unlock();
 			goto discard;
 		}
 
 		if (!xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb)) {
-			read_unlock(&ip6_tnl_lock);
+			rcu_read_unlock();
 			goto discard;
 		}
 
 		if (!ip6_tnl_rcv_ctl(t)) {
 			t->dev->stats.rx_dropped++;
-			read_unlock(&ip6_tnl_lock);
+			rcu_read_unlock();
 			goto discard;
 		}
 		secpath_reset(skb);
@@ -727,10 +733,10 @@ static int ip6_tnl_rcv(struct sk_buff *skb, __u16 protocol,
 		t->dev->stats.rx_packets++;
 		t->dev->stats.rx_bytes += skb->len;
 		netif_rx(skb);
-		read_unlock(&ip6_tnl_lock);
+		rcu_read_unlock();
 		return 0;
 	}
-	read_unlock(&ip6_tnl_lock);
+	rcu_read_unlock();
 	return 1;
 
 discard:
-- 
GitLab


From 8d5b2c084d2e71587e30a6ef528a8a8051e59dcd Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 23 Oct 2009 06:14:38 +0000
Subject: [PATCH 0431/1815] gre: convert hash tables locking to RCU

GRE tunnels use one rwlock to protect their hash tables.

This locking scheme can be converted to RCU for free, since netdevice
already must wait for a RCU grace period at dismantle time.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/ip_gre.c | 40 +++++++++++++++++++++++-----------------
 1 file changed, 23 insertions(+), 17 deletions(-)

diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 89ff9d5b150..40f04391523 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -156,8 +156,13 @@ struct ipgre_net {
 #define tunnels_r	tunnels[2]
 #define tunnels_l	tunnels[1]
 #define tunnels_wc	tunnels[0]
+/*
+ * Locking : hash tables are protected by RCU and a spinlock
+ */
+static DEFINE_SPINLOCK(ipgre_lock);
 
-static DEFINE_RWLOCK(ipgre_lock);
+#define for_each_ip_tunnel_rcu(start) \
+	for (t = rcu_dereference(start); t; t = rcu_dereference(t->next))
 
 /* Given src, dst and key, find appropriate for input tunnel. */
 
@@ -175,7 +180,7 @@ static struct ip_tunnel * ipgre_tunnel_lookup(struct net_device *dev,
 		       ARPHRD_ETHER : ARPHRD_IPGRE;
 	int score, cand_score = 4;
 
-	for (t = ign->tunnels_r_l[h0^h1]; t; t = t->next) {
+	for_each_ip_tunnel_rcu(ign->tunnels_r_l[h0 ^ h1]) {
 		if (local != t->parms.iph.saddr ||
 		    remote != t->parms.iph.daddr ||
 		    key != t->parms.i_key ||
@@ -200,7 +205,7 @@ static struct ip_tunnel * ipgre_tunnel_lookup(struct net_device *dev,
 		}
 	}
 
-	for (t = ign->tunnels_r[h0^h1]; t; t = t->next) {
+	for_each_ip_tunnel_rcu(ign->tunnels_r[h0 ^ h1]) {
 		if (remote != t->parms.iph.daddr ||
 		    key != t->parms.i_key ||
 		    !(t->dev->flags & IFF_UP))
@@ -224,7 +229,7 @@ static struct ip_tunnel * ipgre_tunnel_lookup(struct net_device *dev,
 		}
 	}
 
-	for (t = ign->tunnels_l[h1]; t; t = t->next) {
+	for_each_ip_tunnel_rcu(ign->tunnels_l[h1]) {
 		if ((local != t->parms.iph.saddr &&
 		     (local != t->parms.iph.daddr ||
 		      !ipv4_is_multicast(local))) ||
@@ -250,7 +255,7 @@ static struct ip_tunnel * ipgre_tunnel_lookup(struct net_device *dev,
 		}
 	}
 
-	for (t = ign->tunnels_wc[h1]; t; t = t->next) {
+	for_each_ip_tunnel_rcu(ign->tunnels_wc[h1]) {
 		if (t->parms.i_key != key ||
 		    !(t->dev->flags & IFF_UP))
 			continue;
@@ -276,8 +281,9 @@ static struct ip_tunnel * ipgre_tunnel_lookup(struct net_device *dev,
 	if (cand != NULL)
 		return cand;
 
-	if (ign->fb_tunnel_dev->flags & IFF_UP)
-		return netdev_priv(ign->fb_tunnel_dev);
+	dev = ign->fb_tunnel_dev;
+	if (dev->flags & IFF_UP)
+		return netdev_priv(dev);
 
 	return NULL;
 }
@@ -311,10 +317,10 @@ static void ipgre_tunnel_link(struct ipgre_net *ign, struct ip_tunnel *t)
 {
 	struct ip_tunnel **tp = ipgre_bucket(ign, t);
 
+	spin_lock_bh(&ipgre_lock);
 	t->next = *tp;
-	write_lock_bh(&ipgre_lock);
-	*tp = t;
-	write_unlock_bh(&ipgre_lock);
+	rcu_assign_pointer(*tp, t);
+	spin_unlock_bh(&ipgre_lock);
 }
 
 static void ipgre_tunnel_unlink(struct ipgre_net *ign, struct ip_tunnel *t)
@@ -323,9 +329,9 @@ static void ipgre_tunnel_unlink(struct ipgre_net *ign, struct ip_tunnel *t)
 
 	for (tp = ipgre_bucket(ign, t); *tp; tp = &(*tp)->next) {
 		if (t == *tp) {
-			write_lock_bh(&ipgre_lock);
+			spin_lock_bh(&ipgre_lock);
 			*tp = t->next;
-			write_unlock_bh(&ipgre_lock);
+			spin_unlock_bh(&ipgre_lock);
 			break;
 		}
 	}
@@ -476,7 +482,7 @@ static void ipgre_err(struct sk_buff *skb, u32 info)
 		break;
 	}
 
-	read_lock(&ipgre_lock);
+	rcu_read_lock();
 	t = ipgre_tunnel_lookup(skb->dev, iph->daddr, iph->saddr,
 				flags & GRE_KEY ?
 				*(((__be32 *)p) + (grehlen / 4) - 1) : 0,
@@ -494,7 +500,7 @@ static void ipgre_err(struct sk_buff *skb, u32 info)
 		t->err_count = 1;
 	t->err_time = jiffies;
 out:
-	read_unlock(&ipgre_lock);
+	rcu_read_unlock();
 	return;
 }
 
@@ -573,7 +579,7 @@ static int ipgre_rcv(struct sk_buff *skb)
 
 	gre_proto = *(__be16 *)(h + 2);
 
-	read_lock(&ipgre_lock);
+	rcu_read_lock();
 	if ((tunnel = ipgre_tunnel_lookup(skb->dev,
 					  iph->saddr, iph->daddr, key,
 					  gre_proto))) {
@@ -647,13 +653,13 @@ static int ipgre_rcv(struct sk_buff *skb)
 		ipgre_ecn_decapsulate(iph, skb);
 
 		netif_rx(skb);
-		read_unlock(&ipgre_lock);
+		rcu_read_unlock();
 		return(0);
 	}
 	icmp_send(skb, ICMP_DEST_UNREACH, ICMP_PORT_UNREACH, 0);
 
 drop:
-	read_unlock(&ipgre_lock);
+	rcu_read_unlock();
 drop_nolock:
 	kfree_skb(skb);
 	return(0);
-- 
GitLab


From 7c28bd0b8ec4d128bd7660671d1b626b0abc471f Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Sat, 24 Oct 2009 06:13:17 -0700
Subject: [PATCH 0432/1815] rtnetlink: speedup rtnl_dump_ifinfo()

When handling large number of netdevice, rtnl_dump_ifinfo()
is very slow because it has O(N^2) complexity.

Instead of scanning one single list, we can use the 256 sub lists
of the dev_index hash table.

This considerably speedups "ip link" operations

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/net_namespace.h |  4 ++++
 net/core/dev.c              |  7 ++-----
 net/core/rtnetlink.c        | 37 ++++++++++++++++++++++++-------------
 3 files changed, 30 insertions(+), 18 deletions(-)

diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 699410142bf..0addd45038a 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -28,6 +28,10 @@ struct ctl_table_header;
 struct net_generic;
 struct sock;
 
+
+#define NETDEV_HASHBITS    8
+#define NETDEV_HASHENTRIES (1 << NETDEV_HASHBITS)
+
 struct net {
 	atomic_t		count;		/* To decided when the network
 						 *  namespace should be freed.
diff --git a/net/core/dev.c b/net/core/dev.c
index fa88dcd476d..e7bada1d5ed 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -193,18 +193,15 @@ static struct list_head ptype_all __read_mostly;	/* Taps */
 DEFINE_RWLOCK(dev_base_lock);
 EXPORT_SYMBOL(dev_base_lock);
 
-#define NETDEV_HASHBITS	8
-#define NETDEV_HASHENTRIES (1 << NETDEV_HASHBITS)
-
 static inline struct hlist_head *dev_name_hash(struct net *net, const char *name)
 {
 	unsigned hash = full_name_hash(name, strnlen(name, IFNAMSIZ));
-	return &net->dev_name_head[hash & ((1 << NETDEV_HASHBITS) - 1)];
+	return &net->dev_name_head[hash & (NETDEV_HASHENTRIES - 1)];
 }
 
 static inline struct hlist_head *dev_index_hash(struct net *net, int ifindex)
 {
-	return &net->dev_index_head[ifindex & ((1 << NETDEV_HASHBITS) - 1)];
+	return &net->dev_index_head[ifindex & (NETDEV_HASHENTRIES - 1)];
 }
 
 /* Device list insertion */
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index ba13b0974a7..52ea418d530 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -682,22 +682,33 @@ nla_put_failure:
 static int rtnl_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
 {
 	struct net *net = sock_net(skb->sk);
-	int idx;
-	int s_idx = cb->args[0];
+	int h, s_h;
+	int idx = 0, s_idx;
 	struct net_device *dev;
-
-	idx = 0;
-	for_each_netdev(net, dev) {
-		if (idx < s_idx)
-			goto cont;
-		if (rtnl_fill_ifinfo(skb, dev, RTM_NEWLINK,
-				     NETLINK_CB(cb->skb).pid,
-				     cb->nlh->nlmsg_seq, 0, NLM_F_MULTI) <= 0)
-			break;
+	struct hlist_head *head;
+	struct hlist_node *node;
+
+	s_h = cb->args[0];
+	s_idx = cb->args[1];
+
+	for (h = s_h; h < NETDEV_HASHENTRIES; h++, s_idx = 0) {
+		idx = 0;
+		head = &net->dev_index_head[h];
+		hlist_for_each_entry(dev, node, head, index_hlist) {
+			if (idx < s_idx)
+				goto cont;
+			if (rtnl_fill_ifinfo(skb, dev, RTM_NEWLINK,
+					     NETLINK_CB(cb->skb).pid,
+					     cb->nlh->nlmsg_seq, 0,
+					     NLM_F_MULTI) <= 0)
+				goto out;
 cont:
-		idx++;
+			idx++;
+		}
 	}
-	cb->args[0] = idx;
+out:
+	cb->args[1] = idx;
+	cb->args[0] = h;
 
 	return skb->len;
 }
-- 
GitLab


From 10e85f7f08535c91aa623547c1024d570af4cdcd Mon Sep 17 00:00:00 2001
From: Krishna Kumar <krkumar2@in.ibm.com>
Date: Fri, 23 Oct 2009 01:13:21 +0000
Subject: [PATCH 0433/1815] cxgb3: Set the rxq

Set the rxq# for LRO when processing the last fragment of a
frame. This helps in fast txq selection for routing workloads.

Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com>
Acked-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/cxgb3/sge.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c
index 47b352d982c..cf2e1d3c0d8 100644
--- a/drivers/net/cxgb3/sge.c
+++ b/drivers/net/cxgb3/sge.c
@@ -2135,6 +2135,7 @@ static void lro_add_page(struct adapter *adap, struct sge_qset *qs,
 	if (!complete)
 		return;
 
+	skb_record_rx_queue(skb, qs - &adap->sge.qs[0]);
 	skb->ip_summed = CHECKSUM_UNNECESSARY;
 	cpl = qs->lro_va;
 
-- 
GitLab


From 9dbb58d867e90d2528752339751216c955523e62 Mon Sep 17 00:00:00 2001
From: Kurt Van Dijck <kurt.van.dijck@eia.be>
Date: Mon, 26 Oct 2009 17:33:59 -0700
Subject: [PATCH 0434/1815] can: sja1000: fix bug using library functions for
 skb allocation

Commit 7b6856a0 "can: provide library functions for skb allocation"
did not properly remove two lines of the SJA1000 driver resulting in
a 'skb_over_panic' when calling skb_put, as reported by Kurt.

Signed-off-by: Kurt Van Dijck <kurt.van.dijck@eia.be>
Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/can/sja1000/sja1000.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c
index 1a9c5958bbd..782a47fabf2 100644
--- a/drivers/net/can/sja1000/sja1000.c
+++ b/drivers/net/can/sja1000/sja1000.c
@@ -321,8 +321,6 @@ static void sja1000_rx(struct net_device *dev)
 	if (fi & FI_RTR)
 		id |= CAN_RTR_FLAG;
 
-	cf = (struct can_frame *)skb_put(skb, sizeof(struct can_frame));
-	memset(cf, 0, sizeof(struct can_frame));
 	cf->can_id = id;
 	cf->can_dlc = dlc;
 	for (i = 0; i < dlc; i++)
-- 
GitLab


From 05423b241311c9380b7280179295bac7794281b6 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Mon, 26 Oct 2009 18:40:35 -0700
Subject: [PATCH 0435/1815] vlan: allow null VLAN ID to be used

We currently use a 16 bit field (vlan_tci) to store VLAN ID/PRIO on a skb.

Null value is used as a special value, meaning vlan tagging not enabled.
This forbids use of null vlan ID.

As pointed by David, some drivers use the 3 high order bits (PRIO)

As VLAN ID is 12 bits, we can use the remaining bit (CFI) as a flag, and
allow null VLAN ID.

In case future code really wants to use VLAN_CFI_MASK, we'll have to use
a bit outside of vlan_tci.

#define VLAN_PRIO_MASK         0xe000 /* Priority Code Point */
#define VLAN_PRIO_SHIFT        13
#define VLAN_CFI_MASK          0x1000 /* Canonical Format Indicator */
#define VLAN_TAG_PRESENT       VLAN_CFI_MASK
#define VLAN_VID_MASK          0x0fff /* VLAN Identifier */

Reported-by: Gertjan Hofman <gertjan_hofman@yahoo.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/if_vlan.h | 14 +++++++++-----
 net/8021q/vlan.h        |  2 +-
 net/8021q/vlan_dev.c    |  2 +-
 net/core/dev.c          |  2 +-
 net/packet/af_packet.c  |  5 +++--
 5 files changed, 15 insertions(+), 10 deletions(-)

diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index 7ff9af1d0f0..8898cbebcf3 100644
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -63,7 +63,11 @@ static inline struct vlan_ethhdr *vlan_eth_hdr(const struct sk_buff *skb)
 	return (struct vlan_ethhdr *)skb_mac_header(skb);
 }
 
-#define VLAN_VID_MASK	0xfff
+#define VLAN_PRIO_MASK		0xe000 /* Priority Code Point */
+#define VLAN_PRIO_SHIFT		13
+#define VLAN_CFI_MASK		0x1000 /* Canonical Format Indicator */
+#define VLAN_TAG_PRESENT	VLAN_CFI_MASK
+#define VLAN_VID_MASK		0x0fff /* VLAN Identifier */
 
 /* found in socket.c */
 extern void vlan_ioctl_set(int (*hook)(struct net *, void __user *));
@@ -105,8 +109,8 @@ static inline void vlan_group_set_device(struct vlan_group *vg,
 	array[vlan_id % VLAN_GROUP_ARRAY_PART_LEN] = dev;
 }
 
-#define vlan_tx_tag_present(__skb)	((__skb)->vlan_tci)
-#define vlan_tx_tag_get(__skb)		((__skb)->vlan_tci)
+#define vlan_tx_tag_present(__skb)	((__skb)->vlan_tci & VLAN_TAG_PRESENT)
+#define vlan_tx_tag_get(__skb)		((__skb)->vlan_tci & ~VLAN_TAG_PRESENT)
 
 #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
 extern struct net_device *vlan_dev_real_dev(const struct net_device *dev);
@@ -231,7 +235,7 @@ static inline struct sk_buff *__vlan_put_tag(struct sk_buff *skb, u16 vlan_tci)
 static inline struct sk_buff *__vlan_hwaccel_put_tag(struct sk_buff *skb,
 						     u16 vlan_tci)
 {
-	skb->vlan_tci = vlan_tci;
+	skb->vlan_tci = VLAN_TAG_PRESENT | vlan_tci;
 	return skb;
 }
 
@@ -284,7 +288,7 @@ static inline int __vlan_hwaccel_get_tag(const struct sk_buff *skb,
 					 u16 *vlan_tci)
 {
 	if (vlan_tx_tag_present(skb)) {
-		*vlan_tci = skb->vlan_tci;
+		*vlan_tci = vlan_tx_tag_get(skb);
 		return 0;
 	} else {
 		*vlan_tci = 0;
diff --git a/net/8021q/vlan.h b/net/8021q/vlan.h
index 82570bc2a18..4ade5edf103 100644
--- a/net/8021q/vlan.h
+++ b/net/8021q/vlan.h
@@ -89,7 +89,7 @@ static inline u32 vlan_get_ingress_priority(struct net_device *dev,
 {
 	struct vlan_dev_info *vip = vlan_dev_info(dev);
 
-	return vip->ingress_priority_map[(vlan_tci >> 13) & 0x7];
+	return vip->ingress_priority_map[(vlan_tci >> VLAN_PRIO_SHIFT) & 0x7];
 }
 
 #ifdef CONFIG_VLAN_8021Q_GVRP
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 4198ec5c8ab..e3701977f58 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -393,7 +393,7 @@ int vlan_dev_set_egress_priority(const struct net_device *dev,
 	struct vlan_dev_info *vlan = vlan_dev_info(dev);
 	struct vlan_priority_tci_mapping *mp = NULL;
 	struct vlan_priority_tci_mapping *np;
-	u32 vlan_qos = (vlan_prio << 13) & 0xE000;
+	u32 vlan_qos = (vlan_prio << VLAN_PRIO_SHIFT) & VLAN_PRIO_MASK;
 
 	/* See if a priority mapping exists.. */
 	mp = vlan->egress_priority_map[skb_prio & 0xF];
diff --git a/net/core/dev.c b/net/core/dev.c
index e7bada1d5ed..950c13fa60d 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2300,7 +2300,7 @@ int netif_receive_skb(struct sk_buff *skb)
 	if (!skb->tstamp.tv64)
 		net_timestamp(skb);
 
-	if (skb->vlan_tci && vlan_hwaccel_do_receive(skb))
+	if (vlan_tx_tag_present(skb) && vlan_hwaccel_do_receive(skb))
 		return NET_RX_SUCCESS;
 
 	/* if we've gotten here through NAPI, check netpoll */
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index ff752c60641..33e68f20ec6 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -79,6 +79,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/mutex.h>
+#include <linux/if_vlan.h>
 
 #ifdef CONFIG_INET
 #include <net/inet_common.h>
@@ -766,7 +767,7 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
 			getnstimeofday(&ts);
 		h.h2->tp_sec = ts.tv_sec;
 		h.h2->tp_nsec = ts.tv_nsec;
-		h.h2->tp_vlan_tci = skb->vlan_tci;
+		h.h2->tp_vlan_tci = vlan_tx_tag_get(skb);
 		hdrlen = sizeof(*h.h2);
 		break;
 	default:
@@ -1493,7 +1494,7 @@ static int packet_recvmsg(struct kiocb *iocb, struct socket *sock,
 		aux.tp_snaplen = skb->len;
 		aux.tp_mac = 0;
 		aux.tp_net = skb_network_offset(skb);
-		aux.tp_vlan_tci = skb->vlan_tci;
+		aux.tp_vlan_tci = vlan_tx_tag_get(skb);
 
 		put_cmsg(msg, SOL_PACKET, PACKET_AUXDATA, sizeof(aux), &aux);
 	}
-- 
GitLab


From a361c83cb4d7c8fe013d82a2f124175a7f276f30 Mon Sep 17 00:00:00 2001
From: Jasper Spaans <spaans@fox-it.com>
Date: Fri, 23 Oct 2009 04:09:24 +0000
Subject: [PATCH 0436/1815] bonding: Remove bond_dev from xmit_hash_policy
 call.

Now that the bonding device is no longer used in determining the device to
which to send packets, it can be dropped from the argument list of the various
xmit_hash_policy calls.

Signed-off-by: Jasper Spaans <spaans@fox-it.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bonding/bond_3ad.c  | 11 +++++------
 drivers/net/bonding/bond_main.c | 11 ++++-------
 drivers/net/bonding/bonding.h   |  3 +--
 3 files changed, 10 insertions(+), 15 deletions(-)

diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index c3fa31c9f2a..3cd8153b906 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -1956,7 +1956,7 @@ void bond_3ad_unbind_slave(struct slave *slave)
 	struct port *port, *prev_port, *temp_port;
 	struct aggregator *aggregator, *new_aggregator, *temp_aggregator;
 	int select_new_active_agg = 0;
-	
+
 	// find the aggregator related to this slave
 	aggregator = &(SLAVE_AD_INFO(slave).aggregator);
 
@@ -2024,7 +2024,7 @@ void bond_3ad_unbind_slave(struct slave *slave)
 
 				// clear the aggregator
 				ad_clear_agg(aggregator);
-				
+
 				if (select_new_active_agg) {
 					ad_agg_selection_logic(__get_first_agg(port));
 				}
@@ -2075,7 +2075,7 @@ void bond_3ad_unbind_slave(struct slave *slave)
 			}
 		}
 	}
-	port->slave=NULL;	
+	port->slave=NULL;
 }
 
 /**
@@ -2301,7 +2301,7 @@ void bond_3ad_handle_link_change(struct slave *slave, char link)
 }
 
 /*
- * set link state for bonding master: if we have an active 
+ * set link state for bonding master: if we have an active
  * aggregator, we're up, if not, we're down.  Presumes that we cannot
  * have an active aggregator if there are no slaves with link up.
  *
@@ -2395,7 +2395,7 @@ int bond_3ad_xmit_xor(struct sk_buff *skb, struct net_device *dev)
 		goto out;
 	}
 
-	slave_agg_no = bond->xmit_hash_policy(skb, dev, slaves_in_agg);
+	slave_agg_no = bond->xmit_hash_policy(skb, slaves_in_agg);
 
 	bond_for_each_slave(bond, slave, i) {
 		struct aggregator *agg = SLAVE_AD_INFO(slave).port.aggregator;
@@ -2468,4 +2468,3 @@ out:
 
 	return ret;
 }
-
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 3adbeed2c05..8c5ebfb0680 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -3696,8 +3696,7 @@ void bond_unregister_arp(struct bonding *bond)
  * Hash for the output device based upon layer 2 and layer 3 data. If
  * the packet is not IP mimic bond_xmit_hash_policy_l2()
  */
-static int bond_xmit_hash_policy_l23(struct sk_buff *skb,
-				     struct net_device *bond_dev, int count)
+static int bond_xmit_hash_policy_l23(struct sk_buff *skb, int count)
 {
 	struct ethhdr *data = (struct ethhdr *)skb->data;
 	struct iphdr *iph = ip_hdr(skb);
@@ -3715,8 +3714,7 @@ static int bond_xmit_hash_policy_l23(struct sk_buff *skb,
  * the packet is a frag or not TCP or UDP, just use layer 3 data.  If it is
  * altogether not IP, mimic bond_xmit_hash_policy_l2()
  */
-static int bond_xmit_hash_policy_l34(struct sk_buff *skb,
-				    struct net_device *bond_dev, int count)
+static int bond_xmit_hash_policy_l34(struct sk_buff *skb, int count)
 {
 	struct ethhdr *data = (struct ethhdr *)skb->data;
 	struct iphdr *iph = ip_hdr(skb);
@@ -3740,8 +3738,7 @@ static int bond_xmit_hash_policy_l34(struct sk_buff *skb,
 /*
  * Hash for the output device based upon layer 2 data
  */
-static int bond_xmit_hash_policy_l2(struct sk_buff *skb,
-				   struct net_device *bond_dev, int count)
+static int bond_xmit_hash_policy_l2(struct sk_buff *skb, int count)
 {
 	struct ethhdr *data = (struct ethhdr *)skb->data;
 
@@ -4334,7 +4331,7 @@ static int bond_xmit_xor(struct sk_buff *skb, struct net_device *bond_dev)
 	if (!BOND_IS_OK(bond))
 		goto out;
 
-	slave_no = bond->xmit_hash_policy(skb, bond_dev, bond->slave_cnt);
+	slave_no = bond->xmit_hash_policy(skb, bond->slave_cnt);
 
 	bond_for_each_slave(bond, slave, i) {
 		slave_no--;
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index 9c03c2ee074..9b520b05fba 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -206,7 +206,7 @@ struct bonding {
 #endif /* CONFIG_PROC_FS */
 	struct   list_head bond_list;
 	struct   dev_mc_list *mc_list;
-	int      (*xmit_hash_policy)(struct sk_buff *, struct net_device *, int);
+	int      (*xmit_hash_policy)(struct sk_buff *, int);
 	__be32   master_ip;
 	u16      flags;
 	u16      rr_tx_counter;
@@ -377,4 +377,3 @@ static inline void bond_unregister_ipv6_notifier(void)
 #endif
 
 #endif /* _LINUX_BONDING_H */
-
-- 
GitLab


From b57df129aaf65819f4eb80c2a5be3765509e9d23 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 7 Oct 2009 16:22:18 -0400
Subject: [PATCH 0437/1815] ath9k_hw: run the carrier leakage calibration fix
 for ar9271 as well

This is required for the ar9271 hardware as well.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/calib.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c
index f46bd05df44..7aa3d1d8ec6 100644
--- a/drivers/net/wireless/ath/ath9k/calib.c
+++ b/drivers/net/wireless/ath/ath9k/calib.c
@@ -1070,6 +1070,7 @@ bool ath9k_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan,
 }
 EXPORT_SYMBOL(ath9k_hw_calibrate);
 
+/* Carrier leakage Calibration fix */
 static bool ar9285_clc(struct ath_hw *ah, struct ath9k_channel *chan)
 {
 	struct ath_common *common = ath9k_hw_common(ah);
@@ -1115,7 +1116,7 @@ bool ath9k_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan)
 {
 	struct ath_common *common = ath9k_hw_common(ah);
 
-	if (AR_SREV_9285_12_OR_LATER(ah)) {
+	if (AR_SREV_9271(ah) || AR_SREV_9285_12_OR_LATER(ah)) {
 		if (!ar9285_clc(ah, chan))
 			return false;
 	} else {
-- 
GitLab


From 6226811f4eec35c509b931ac900ac074336103f5 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 7 Oct 2009 16:22:19 -0400
Subject: [PATCH 0438/1815] ath9k_hw: run ath9k_hw_9271_pa_cal() initial
 calibration

The PA calibration for ar9271 ath9k_hw_9271_pa_cal() can run during
reset or initial calibration, update the PA calibration to account
for that and initialize PA calibration variables for both conditions.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/calib.c | 25 ++++++++++++++++++-------
 1 file changed, 18 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c
index 7aa3d1d8ec6..551f8801459 100644
--- a/drivers/net/wireless/ath/ath9k/calib.c
+++ b/drivers/net/wireless/ath/ath9k/calib.c
@@ -813,7 +813,7 @@ static void ath9k_olc_temp_compensation(struct ath_hw *ah)
 	}
 }
 
-static void ath9k_hw_9271_pa_cal(struct ath_hw *ah)
+static void ath9k_hw_9271_pa_cal(struct ath_hw *ah, bool is_reset)
 {
 	u32 regVal;
 	unsigned int i;
@@ -889,10 +889,19 @@ static void ath9k_hw_9271_pa_cal(struct ath_hw *ah)
 		REG_WRITE(ah, 0x7834, regVal);
 	}
 
-	/*  Empirical offset correction  */
-#if 0
-	REG_RMW_FIELD(ah, AR9285_AN_RF2G6, AR9271_AN_RF2G6_OFFS, 0x20);
-#endif
+	regVal = (regVal >>20) & 0x7f;
+
+	/* Update PA cal info */
+	if ((!is_reset) && (ah->pacal_info.prev_offset == regVal)) {
+		if (ah->pacal_info.max_skipcount < MAX_PACAL_SKIPCOUNT)
+			ah->pacal_info.max_skipcount =
+				2 * ah->pacal_info.max_skipcount;
+		ah->pacal_info.skipcount = ah->pacal_info.max_skipcount;
+	} else {
+		ah->pacal_info.max_skipcount = 1;
+		ah->pacal_info.skipcount = 0;
+		ah->pacal_info.prev_offset = regVal;
+	}
 
 	regVal = REG_READ(ah, 0x7834);
 	regVal |= 0x1;
@@ -1043,7 +1052,7 @@ bool ath9k_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan,
 	if (longcal) {
 		/* Do periodic PAOffset Cal */
 		if (AR_SREV_9271(ah))
-			ath9k_hw_9271_pa_cal(ah);
+			ath9k_hw_9271_pa_cal(ah, false);
 		else if (AR_SREV_9285_11_OR_LATER(ah)) {
 			if (!ah->pacal_info.skipcount)
 				ath9k_hw_9285_pa_cal(ah, false);
@@ -1152,7 +1161,9 @@ bool ath9k_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan)
 	}
 
 	/* Do PA Calibration */
-	if (AR_SREV_9285_11_OR_LATER(ah))
+	if (AR_SREV_9271(ah))
+		ath9k_hw_9271_pa_cal(ah, true);
+	else if (AR_SREV_9285_11_OR_LATER(ah))
 		ath9k_hw_9285_pa_cal(ah, true);
 
 	/* Do NF Calibration after DC offset and other calibrations */
-- 
GitLab


From 3414fc3f527ce74cfca543c37bcb52c8e63b915e Mon Sep 17 00:00:00 2001
From: David Kilroy <kilroyd@googlemail.com>
Date: Wed, 7 Oct 2009 22:23:32 +0100
Subject: [PATCH 0439/1815] orinoco: use cfg80211 ethtool ops

Signed-off-by: David Kilroy <kilroyd@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/orinoco/hw.c      | 33 +++++++++++++++++++-------
 drivers/net/wireless/orinoco/hw.h      |  3 ++-
 drivers/net/wireless/orinoco/main.c    | 33 +++++---------------------
 drivers/net/wireless/orinoco/orinoco.h |  1 -
 4 files changed, 32 insertions(+), 38 deletions(-)

diff --git a/drivers/net/wireless/orinoco/hw.c b/drivers/net/wireless/orinoco/hw.c
index 359652d35e6..404830f47ab 100644
--- a/drivers/net/wireless/orinoco/hw.c
+++ b/drivers/net/wireless/orinoco/hw.c
@@ -60,8 +60,15 @@ static inline fwtype_t determine_firmware_type(struct comp_id *nic_id)
 /* Set priv->firmware type, determine firmware properties
  * This function can be called before we have registerred with netdev,
  * so all errors go out with dev_* rather than printk
+ *
+ * If non-NULL stores a firmware description in fw_name.
+ * If non-NULL stores a HW version in hw_ver
+ *
+ * These are output via generic cfg80211 ethtool support.
  */
-int determine_fw_capabilities(struct orinoco_private *priv)
+int determine_fw_capabilities(struct orinoco_private *priv,
+			      char *fw_name, size_t fw_name_len,
+			      u32 *hw_ver)
 {
 	struct device *dev = priv->dev;
 	hermes_t *hw = &priv->hw;
@@ -85,6 +92,12 @@ int determine_fw_capabilities(struct orinoco_private *priv)
 	dev_info(dev, "Hardware identity %04x:%04x:%04x:%04x\n",
 		 nic_id.id, nic_id.variant, nic_id.major, nic_id.minor);
 
+	if (hw_ver)
+		*hw_ver = (((nic_id.id & 0xff) << 24) |
+			   ((nic_id.variant & 0xff) << 16) |
+			   ((nic_id.major & 0xff) << 8) |
+			   (nic_id.minor & 0xff));
+
 	priv->firmware_type = determine_firmware_type(&nic_id);
 
 	/* Get the firmware version */
@@ -135,8 +148,9 @@ int determine_fw_capabilities(struct orinoco_private *priv)
 	case FIRMWARE_TYPE_AGERE:
 		/* Lucent Wavelan IEEE, Lucent Orinoco, Cabletron RoamAbout,
 		   ELSA, Melco, HP, IBM, Dell 1150, Compaq 110/210 */
-		snprintf(priv->fw_name, sizeof(priv->fw_name) - 1,
-			 "Lucent/Agere %d.%02d", sta_id.major, sta_id.minor);
+		if (fw_name)
+			snprintf(fw_name, fw_name_len, "Lucent/Agere %d.%02d",
+				 sta_id.major, sta_id.minor);
 
 		firmver = ((unsigned long)sta_id.major << 16) | sta_id.minor;
 
@@ -185,8 +199,8 @@ int determine_fw_capabilities(struct orinoco_private *priv)
 			tmp[SYMBOL_MAX_VER_LEN] = '\0';
 		}
 
-		snprintf(priv->fw_name, sizeof(priv->fw_name) - 1,
-			 "Symbol %s", tmp);
+		if (fw_name)
+			snprintf(fw_name, fw_name_len, "Symbol %s", tmp);
 
 		priv->has_ibss = (firmver >= 0x20000);
 		priv->has_wep = (firmver >= 0x15012);
@@ -224,9 +238,9 @@ int determine_fw_capabilities(struct orinoco_private *priv)
 		 * different and less well tested */
 		/* D-Link MAC : 00:40:05:* */
 		/* Addtron MAC : 00:90:D1:* */
-		snprintf(priv->fw_name, sizeof(priv->fw_name) - 1,
-			 "Intersil %d.%d.%d", sta_id.major, sta_id.minor,
-			 sta_id.variant);
+		if (fw_name)
+			snprintf(fw_name, fw_name_len, "Intersil %d.%d.%d",
+				 sta_id.major, sta_id.minor, sta_id.variant);
 
 		firmver = ((unsigned long)sta_id.major << 16) |
 			((unsigned long)sta_id.minor << 8) | sta_id.variant;
@@ -245,7 +259,8 @@ int determine_fw_capabilities(struct orinoco_private *priv)
 		}
 		break;
 	}
-	dev_info(dev, "Firmware determined as %s\n", priv->fw_name);
+	if (fw_name)
+		dev_info(dev, "Firmware determined as %s\n", fw_name);
 
 	return 0;
 }
diff --git a/drivers/net/wireless/orinoco/hw.h b/drivers/net/wireless/orinoco/hw.h
index 8df6e8752be..e2f7fdc4d45 100644
--- a/drivers/net/wireless/orinoco/hw.h
+++ b/drivers/net/wireless/orinoco/hw.h
@@ -24,7 +24,8 @@
 struct orinoco_private;
 struct dev_addr_list;
 
-int determine_fw_capabilities(struct orinoco_private *priv);
+int determine_fw_capabilities(struct orinoco_private *priv, char *fw_name,
+			      size_t fw_name_len, u32 *hw_ver);
 int orinoco_hw_read_card_settings(struct orinoco_private *priv, u8 *dev_addr);
 int orinoco_hw_allocate_fid(struct orinoco_private *priv);
 int orinoco_get_bitratemode(int bitrate, int automatic);
diff --git a/drivers/net/wireless/orinoco/main.c b/drivers/net/wireless/orinoco/main.c
index 5fdc59c594f..753a1804eee 100644
--- a/drivers/net/wireless/orinoco/main.c
+++ b/drivers/net/wireless/orinoco/main.c
@@ -83,7 +83,6 @@
 #include <linux/device.h>
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
-#include <linux/ethtool.h>
 #include <linux/suspend.h>
 #include <linux/if_arp.h>
 #include <linux/wireless.h>
@@ -162,8 +161,6 @@ static const u8 encaps_hdr[] = {0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00};
 				 | HERMES_EV_WTERR | HERMES_EV_INFO \
 				 | HERMES_EV_INFDROP)
 
-static const struct ethtool_ops orinoco_ethtool_ops;
-
 /********************************************************************/
 /* Data types                                                       */
 /********************************************************************/
@@ -1994,7 +1991,9 @@ int orinoco_init(struct orinoco_private *priv)
 		goto out;
 	}
 
-	err = determine_fw_capabilities(priv);
+	err = determine_fw_capabilities(priv, wiphy->fw_version,
+					sizeof(wiphy->fw_version),
+					&wiphy->hw_version);
 	if (err != 0) {
 		dev_err(dev, "Incompatible firmware, aborting\n");
 		goto out;
@@ -2010,7 +2009,9 @@ int orinoco_init(struct orinoco_private *priv)
 			priv->do_fw_download = 0;
 
 		/* Check firmware version again */
-		err = determine_fw_capabilities(priv);
+		err = determine_fw_capabilities(priv, wiphy->fw_version,
+						sizeof(wiphy->fw_version),
+						&wiphy->hw_version);
 		if (err != 0) {
 			dev_err(dev, "Incompatible firmware, aborting\n");
 			goto out;
@@ -2212,7 +2213,6 @@ int orinoco_if_add(struct orinoco_private *priv,
 	dev->ieee80211_ptr = wdev;
 	dev->netdev_ops = &orinoco_netdev_ops;
 	dev->watchdog_timeo = HZ; /* 1 second timeout */
-	dev->ethtool_ops = &orinoco_ethtool_ops;
 	dev->wireless_handlers = &orinoco_handler_def;
 #ifdef WIRELESS_SPY
 	dev->wireless_data = &priv->wireless_data;
@@ -2349,27 +2349,6 @@ void orinoco_down(struct orinoco_private *priv)
 }
 EXPORT_SYMBOL(orinoco_down);
 
-static void orinoco_get_drvinfo(struct net_device *dev,
-				struct ethtool_drvinfo *info)
-{
-	struct orinoco_private *priv = ndev_priv(dev);
-
-	strncpy(info->driver, DRIVER_NAME, sizeof(info->driver) - 1);
-	strncpy(info->version, DRIVER_VERSION, sizeof(info->version) - 1);
-	strncpy(info->fw_version, priv->fw_name, sizeof(info->fw_version) - 1);
-	if (dev->dev.parent)
-		strncpy(info->bus_info, dev_name(dev->dev.parent),
-			sizeof(info->bus_info) - 1);
-	else
-		snprintf(info->bus_info, sizeof(info->bus_info) - 1,
-			 "PCMCIA %p", priv->hw.iobase);
-}
-
-static const struct ethtool_ops orinoco_ethtool_ops = {
-	.get_drvinfo = orinoco_get_drvinfo,
-	.get_link = ethtool_op_get_link,
-};
-
 /********************************************************************/
 /* Module initialization                                            */
 /********************************************************************/
diff --git a/drivers/net/wireless/orinoco/orinoco.h b/drivers/net/wireless/orinoco/orinoco.h
index 9ac6f1dda4b..665ef56f838 100644
--- a/drivers/net/wireless/orinoco/orinoco.h
+++ b/drivers/net/wireless/orinoco/orinoco.h
@@ -93,7 +93,6 @@ struct orinoco_private {
 
 	/* Capabilities of the hardware/firmware */
 	fwtype_t firmware_type;
-	char fw_name[32];
 	int ibss_port;
 	int nicbuf_size;
 	u16 channel_mask;
-- 
GitLab


From 9d565973deb09479de5eed7a5b6594428dc49dde Mon Sep 17 00:00:00 2001
From: Luciano Coelho <luciano.coelho@nokia.com>
Date: Thu, 8 Oct 2009 21:56:17 +0300
Subject: [PATCH 0440/1815] wl1271: remove unecessary qual parameter from rx
 status

The qual element in ieee80211_rx_status is not used anymore, so we don't need
to set it in the wl1271_rx_status() function.  This saves a bit of time in
the RX path.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_rx.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_rx.c b/drivers/net/wireless/wl12xx/wl1271_rx.c
index ad8b6904c5e..5d8d4015898 100644
--- a/drivers/net/wireless/wl12xx/wl1271_rx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_rx.c
@@ -91,12 +91,6 @@ static void wl1271_rx_status(struct wl1271 *wl,
 	 */
 	status->signal = desc->rssi;
 
-	/* FIXME: Should this be optimized? */
-	status->qual = (desc->rssi - WL1271_RX_MIN_RSSI) * 100 /
-		(WL1271_RX_MAX_RSSI - WL1271_RX_MIN_RSSI);
-	status->qual = min(status->qual, 100);
-	status->qual = max(status->qual, 0);
-
 	/*
 	 * FIXME: In wl1251, the SNR should be divided by two.  In wl1271 we
 	 * need to divide by two for now, but TI has been discussing about
-- 
GitLab


From 3b4be9e08abd8c390d13001f5dd55f64afa5ab93 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Thu, 8 Oct 2009 21:56:18 +0300
Subject: [PATCH 0441/1815] wl1271: Correction to TX block allocation
 calculation

Correct the TX path implementation to allocate sufficient blocks in the
firmware for TX packets.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_tx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_tx.c b/drivers/net/wireless/wl12xx/wl1271_tx.c
index ff221258b94..0c19688f440 100644
--- a/drivers/net/wireless/wl12xx/wl1271_tx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_tx.c
@@ -58,7 +58,7 @@ static int wl1271_tx_allocate(struct wl1271 *wl, struct sk_buff *skb, u32 extra)
 	/* approximate the number of blocks required for this packet
 	   in the firmware */
 	/* FIXME: try to figure out what is done here and make it cleaner */
-	total_blocks = (skb->len) >> TX_HW_BLOCK_SHIFT_DIV;
+	total_blocks = (total_len) >> TX_HW_BLOCK_SHIFT_DIV;
 	excluded = (total_blocks << 2) + (skb->len & 0xff) + 34;
 	total_blocks += (excluded > 252) ? 2 : 1;
 	total_blocks += TX_HW_BLOCK_SPARE;
-- 
GitLab


From ac4e4ce54eb9cb4963a1d3d91fc65536d882ffb2 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Thu, 8 Oct 2009 21:56:19 +0300
Subject: [PATCH 0442/1815] wl1271: Security sequence number handling for TX
 (for WPA)

Add security sequence number handling to the driver TX data path needed
by WPA.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271.h      |  5 +++++
 drivers/net/wireless/wl12xx/wl1271_cmd.c  | 11 +++++++++--
 drivers/net/wireless/wl12xx/wl1271_cmd.h  |  3 ++-
 drivers/net/wireless/wl12xx/wl1271_main.c | 13 +++++++++++--
 drivers/net/wireless/wl12xx/wl1271_tx.c   | 11 +++++++++++
 5 files changed, 38 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h
index 55818f94017..e575dcc9df2 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl1271.h
@@ -337,6 +337,11 @@ struct wl1271 {
 	/* Pending TX frames */
 	struct sk_buff *tx_frames[16];
 
+	/* Security sequence number counters */
+	u8 tx_security_last_seq;
+	u16 tx_security_seq_16;
+	u32 tx_security_seq_32;
+
 	/* FW Rx counter */
 	u32 rx_counter;
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c
index 2a4351ff54d..1ee1b2b4dfa 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.c
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c
@@ -228,6 +228,10 @@ int wl1271_cmd_join(struct wl1271 *wl, u8 bss_type, u8 dtim_interval,
 
 	join->ctrl |= wl->session_counter << WL1271_JOIN_CMD_TX_SESSION_OFFSET;
 
+	/* reset TX security counters */
+	wl->tx_security_last_seq = 0;
+	wl->tx_security_seq_16 = 0;
+	wl->tx_security_seq_32 = 0;
 
 	ret = wl1271_cmd_send(wl, CMD_START_JOIN, join, sizeof(*join));
 	if (ret < 0) {
@@ -759,7 +763,8 @@ out:
 }
 
 int wl1271_cmd_set_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type,
-		       u8 key_size, const u8 *key, const u8 *addr)
+		       u8 key_size, const u8 *key, const u8 *addr,
+		       u32 tx_seq_32, u16 tx_seq_16)
 {
 	struct wl1271_cmd_set_keys *cmd;
 	int ret = 0;
@@ -777,12 +782,14 @@ int wl1271_cmd_set_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type,
 	cmd->key_size = key_size;
 	cmd->key_type = key_type;
 
+	cmd->ac_seq_num16[0] = tx_seq_16;
+	cmd->ac_seq_num32[0] = tx_seq_32;
+
 	/* we have only one SSID profile */
 	cmd->ssid_profile = 0;
 
 	cmd->id = id;
 
-	/* FIXME: this is from wl1251, needs to be checked */
 	if (key_type == KEY_TKIP) {
 		/*
 		 * We get the key in the following form:
diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.h b/drivers/net/wireless/wl12xx/wl1271_cmd.h
index 951a8447a51..7c4d3aaaa81 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.h
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.h
@@ -49,7 +49,8 @@ int wl1271_cmd_build_ps_poll(struct wl1271 *wl, u16 aid);
 int wl1271_cmd_build_probe_req(struct wl1271 *wl, u8 *ssid, size_t ssid_len);
 int wl1271_cmd_set_default_wep_key(struct wl1271 *wl, u8 id);
 int wl1271_cmd_set_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type,
-		       u8 key_size, const u8 *key, const u8 *addr);
+		       u8 key_size, const u8 *key, const u8 *addr,
+		       u32 tx_seq_32, u16 tx_seq_16);
 
 enum wl1271_commands {
 	CMD_INTERROGATE     = 1,    /*use this to read information elements*/
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 27298b19d5b..bedd19b5749 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -592,6 +592,9 @@ static void wl1271_op_stop(struct ieee80211_hw *hw)
 	wl->tx_blocks_available = 0;
 	wl->tx_results_count = 0;
 	wl->tx_packets_count = 0;
+	wl->tx_security_last_seq = 0;
+	wl->tx_security_seq_16 = 0;
+	wl->tx_security_seq_32 = 0;
 	wl->time_offset = 0;
 	wl->session_counter = 0;
 	for (i = 0; i < NUM_TX_QUEUES; i++)
@@ -823,6 +826,8 @@ static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 	struct wl1271 *wl = hw->priv;
 	const u8 *addr;
 	int ret;
+	u32 tx_seq_32 = 0;
+	u16 tx_seq_16 = 0;
 	u8 key_type;
 
 	static const u8 bcast_addr[ETH_ALEN] =
@@ -861,11 +866,15 @@ static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 		key_type = KEY_TKIP;
 
 		key_conf->hw_key_idx = key_conf->keyidx;
+		tx_seq_32 = wl->tx_security_seq_32;
+		tx_seq_16 = wl->tx_security_seq_16;
 		break;
 	case ALG_CCMP:
 		key_type = KEY_AES;
 
 		key_conf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
+		tx_seq_32 = wl->tx_security_seq_32;
+		tx_seq_16 = wl->tx_security_seq_16;
 		break;
 	default:
 		wl1271_error("Unknown key algo 0x%x", key_conf->alg);
@@ -879,7 +888,7 @@ static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 		ret = wl1271_cmd_set_key(wl, KEY_ADD_OR_REPLACE,
 					 key_conf->keyidx, key_type,
 					 key_conf->keylen, key_conf->key,
-					 addr);
+					 addr, tx_seq_32, tx_seq_16);
 		if (ret < 0) {
 			wl1271_error("Could not add or replace key");
 			goto out_sleep;
@@ -890,7 +899,7 @@ static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 		ret = wl1271_cmd_set_key(wl, KEY_REMOVE,
 					 key_conf->keyidx, key_type,
 					 key_conf->keylen, key_conf->key,
-					 addr);
+					 addr, 0, 0);
 		if (ret < 0) {
 			wl1271_error("Could not remove key");
 			goto out_sleep;
diff --git a/drivers/net/wireless/wl12xx/wl1271_tx.c b/drivers/net/wireless/wl12xx/wl1271_tx.c
index 0c19688f440..162f0267a20 100644
--- a/drivers/net/wireless/wl12xx/wl1271_tx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_tx.c
@@ -258,6 +258,7 @@ static void wl1271_tx_complete_packet(struct wl1271 *wl,
 	struct ieee80211_tx_info *info;
 	struct sk_buff *skb;
 	u32 header_len;
+	u16 seq;
 	int id = result->id;
 
 	/* check for id legality */
@@ -284,6 +285,16 @@ static void wl1271_tx_complete_packet(struct wl1271 *wl,
 	/* info->status.retry_count = result->ack_failures; */
 	wl->stats.retry_count += result->ack_failures;
 
+	/* update security sequence number */
+	seq = wl->tx_security_seq_16 +
+		(result->lsb_security_sequence_number -
+		 wl->tx_security_last_seq);
+	wl->tx_security_last_seq = result->lsb_security_sequence_number;
+
+	if (seq < wl->tx_security_seq_16)
+		wl->tx_security_seq_32++;
+	wl->tx_security_seq_16 = seq;
+
 	/* get header len */
 	if (info->control.hw_key &&
 	    info->control.hw_key->alg == ALG_TKIP)
-- 
GitLab


From 1e2b79761d551c545225e1fa6e7d144f7e804898 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Thu, 8 Oct 2009 21:56:20 +0300
Subject: [PATCH 0443/1815] wl1271: Correct TKIP header space handling in TX
 path

Correct the position to which TKIP header space is appended for TX
packets.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Vidhya Govindan <vidhya.govindan@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_main.c |  9 +++-----
 drivers/net/wireless/wl12xx/wl1271_tx.c   | 27 ++++++++++++++---------
 2 files changed, 20 insertions(+), 16 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index bedd19b5749..3d629daf224 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -1160,12 +1160,9 @@ static int wl1271_register_hw(struct wl1271 *wl)
 
 static int wl1271_init_ieee80211(struct wl1271 *wl)
 {
-	/*
-	 * The tx descriptor buffer and the TKIP space.
-	 *
-	 * FIXME: add correct 1271 descriptor size
-	 */
-	wl->hw->extra_tx_headroom = WL1271_TKIP_IV_SPACE;
+	/* The tx descriptor buffer and the TKIP space. */
+	wl->hw->extra_tx_headroom = WL1271_TKIP_IV_SPACE +
+		sizeof(struct wl1271_tx_hw_descr);
 
 	/* unit us */
 	/* FIXME: find a proper value */
diff --git a/drivers/net/wireless/wl12xx/wl1271_tx.c b/drivers/net/wireless/wl12xx/wl1271_tx.c
index 162f0267a20..1ad1bc3f152 100644
--- a/drivers/net/wireless/wl12xx/wl1271_tx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_tx.c
@@ -92,6 +92,14 @@ static int wl1271_tx_fill_hdr(struct wl1271 *wl, struct sk_buff *skb,
 
 	desc = (struct wl1271_tx_hw_descr *) skb->data;
 
+	/* relocate space for security header */
+	if (extra) {
+		void *framestart = skb->data + sizeof(*desc);
+		u16 fc = *(u16 *)(framestart + extra);
+		int hdrlen = ieee80211_hdrlen(fc);
+		memmove(framestart, framestart + extra, hdrlen);
+	}
+
 	/* configure packet life time */
 	desc->start_time = jiffies_to_usecs(jiffies) - wl->time_offset;
 	desc->life_time = TX_HW_MGMT_PKT_LIFETIME_TU;
@@ -257,7 +265,6 @@ static void wl1271_tx_complete_packet(struct wl1271 *wl,
 
 	struct ieee80211_tx_info *info;
 	struct sk_buff *skb;
-	u32 header_len;
 	u16 seq;
 	int id = result->id;
 
@@ -295,22 +302,22 @@ static void wl1271_tx_complete_packet(struct wl1271 *wl,
 		wl->tx_security_seq_32++;
 	wl->tx_security_seq_16 = seq;
 
-	/* get header len */
+	/* remove private header from packet */
+	skb_pull(skb, sizeof(struct wl1271_tx_hw_descr));
+
+	/* remove TKIP header space if present */
 	if (info->control.hw_key &&
-	    info->control.hw_key->alg == ALG_TKIP)
-		header_len = WL1271_TKIP_IV_SPACE +
-			sizeof(struct wl1271_tx_hw_descr);
-	else
-		header_len = sizeof(struct wl1271_tx_hw_descr);
+	    info->control.hw_key->alg == ALG_TKIP) {
+		int hdrlen = ieee80211_get_hdrlen_from_skb(skb);
+		memmove(skb->data + WL1271_TKIP_IV_SPACE, skb->data, hdrlen);
+		skb_pull(skb, WL1271_TKIP_IV_SPACE);
+	}
 
 	wl1271_debug(DEBUG_TX, "tx status id %u skb 0x%p failures %u rate 0x%x"
 		     " status 0x%x",
 		     result->id, skb, result->ack_failures,
 		     result->rate_class_index, result->status);
 
-	/* remove private header from packet */
-	skb_pull(skb, header_len);
-
 	/* return the packet to the stack */
 	ieee80211_tx_status(wl->hw, skb);
 	wl->tx_frames[result->id] = NULL;
-- 
GitLab


From 37b70a81855e4a2e66716804ae55ff717520e7fb Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Thu, 8 Oct 2009 21:56:21 +0300
Subject: [PATCH 0444/1815] wl1271: Implement delayed entry into ELP

Implement delayed entry into ELP. This will promote the following:
 - Less redundant sleep/wake cycles (better perf)
 - Avoids known firmware issues with going to ELP too fast after an
   operation

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Vidhya Govindan <vidhya.govindan@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271.h      |  1 +
 drivers/net/wireless/wl12xx/wl1271_main.c |  1 +
 drivers/net/wireless/wl12xx/wl1271_ps.c   | 46 ++++++++++++++++-------
 drivers/net/wireless/wl12xx/wl1271_ps.h   |  2 +-
 4 files changed, 35 insertions(+), 15 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h
index e575dcc9df2..c455dcbae52 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl1271.h
@@ -373,6 +373,7 @@ struct wl1271 {
 	bool elp;
 
 	struct completion *elp_compl;
+	struct delayed_work elp_work;
 
 	/* we can be in psm, but not in elp, we have to differentiate */
 	bool psm;
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 3d629daf224..cc5c3285dea 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -1226,6 +1226,7 @@ static int __devinit wl1271_probe(struct spi_device *spi)
 	skb_queue_head_init(&wl->tx_queue);
 
 	INIT_WORK(&wl->filter_work, wl1271_filter_work);
+	INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work);
 	wl->channel = WL1271_DEFAULT_CHANNEL;
 	wl->scanning = false;
 	wl->default_key = 0;
diff --git a/drivers/net/wireless/wl12xx/wl1271_ps.c b/drivers/net/wireless/wl12xx/wl1271_ps.c
index 1dc74b0c773..0f6ea16cae8 100644
--- a/drivers/net/wireless/wl12xx/wl1271_ps.c
+++ b/drivers/net/wireless/wl12xx/wl1271_ps.c
@@ -27,25 +27,43 @@
 
 #define WL1271_WAKEUP_TIMEOUT 500
 
-/* Routines to toggle sleep mode while in ELP */
-void wl1271_ps_elp_sleep(struct wl1271 *wl)
+void wl1271_elp_work(struct work_struct *work)
 {
+	struct delayed_work *dwork;
+	struct wl1271 *wl;
+
+	dwork = container_of(work, struct delayed_work, work);
+	wl = container_of(dwork, struct wl1271, elp_work);
+
+	wl1271_debug(DEBUG_PSM, "elp work");
+
+	mutex_lock(&wl->mutex);
+
 	/*
-	 * FIXME: due to a problem in the firmware (causing a firmware
-	 * crash), ELP entry is prevented below. Remove the "true" to
-	 * re-enable ELP entry.
+	 * FIXME: below, by means of the "true", ELP has been disabled for now
+	 * to work around a firmware bug. To be enabled upon receiving a new
+	 * firmware version.
 	 */
 	if (true || wl->elp || !wl->psm)
-		return;
+		goto out;
 
-	/*
-	 * Go to ELP unless there is work already pending - pending work
-	 * will immediately wakeup the chipset anyway.
-	 */
-	if (!work_pending(&wl->irq_work) && !work_pending(&wl->tx_work)) {
-		wl1271_debug(DEBUG_PSM, "chip to elp");
-		wl1271_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, ELPCTRL_SLEEP);
-		wl->elp = true;
+	wl1271_debug(DEBUG_PSM, "chip to elp");
+	wl1271_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, ELPCTRL_SLEEP);
+	wl->elp = true;
+
+out:
+	mutex_unlock(&wl->mutex);
+}
+
+#define ELP_ENTRY_DELAY  5
+
+/* Routines to toggle sleep mode while in ELP */
+void wl1271_ps_elp_sleep(struct wl1271 *wl)
+{
+	if (wl->psm) {
+		cancel_delayed_work(&wl->elp_work);
+		ieee80211_queue_delayed_work(wl->hw, &wl->elp_work,
+					msecs_to_jiffies(ELP_ENTRY_DELAY));
 	}
 }
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_ps.h b/drivers/net/wireless/wl12xx/wl1271_ps.h
index de2bd3c7dc9..779653d0ae8 100644
--- a/drivers/net/wireless/wl12xx/wl1271_ps.h
+++ b/drivers/net/wireless/wl12xx/wl1271_ps.h
@@ -30,6 +30,6 @@
 int wl1271_ps_set_mode(struct wl1271 *wl, enum wl1271_cmd_ps_mode mode);
 void wl1271_ps_elp_sleep(struct wl1271 *wl);
 int wl1271_ps_elp_wakeup(struct wl1271 *wl, bool chip_awake);
-
+void wl1271_elp_work(struct work_struct *work);
 
 #endif /* __WL1271_PS_H__ */
-- 
GitLab


From c3fea1994ac34dafa3ebb40d4f95354b2782af31 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Thu, 8 Oct 2009 21:56:22 +0300
Subject: [PATCH 0445/1815] wl1271: mask aid bits 14 and 15 in ps-poll template

In ps-poll template aid bits 14 and 15 were not masked as required by
the standard. Mask them so that aid is sent in correct format.

This patch is a direct port of the respective patch for the wl1251
driver by Kalle Valo.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Vidhya Govindan <vidhya.govindan@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_cmd.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c
index 1ee1b2b4dfa..bd65b38eb1d 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.c
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c
@@ -682,7 +682,10 @@ int wl1271_cmd_build_ps_poll(struct wl1271 *wl, u16 aid)
 
 	memcpy(template.bssid, wl->bssid, ETH_ALEN);
 	memcpy(template.ta, wl->mac_addr, ETH_ALEN);
-	template.aid = aid;
+
+	/* aid in PS-Poll has its two MSBs each set to 1 */
+	template.aid = cpu_to_le16(1 << 15 | 1 << 14 | aid);
+
 	template.fc = cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 
 	return wl1271_cmd_template_set(wl, CMD_TEMPL_PS_POLL, &template,
-- 
GitLab


From 545f1da8ef0f20923feb500bcfaf0e2fb6068fb4 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Thu, 8 Oct 2009 21:56:23 +0300
Subject: [PATCH 0446/1815] wl1271: Implementation for SPI busy word checking

This patch adds implementation for checking for SPI busy words - i.e.
honoring a delay request from the WLAN chipset upon reading
registers/memory.

To optimized the average SPI ready by 32 bits, also configure the number
of busywords to one to disable the "fixed-busy-word" functionality.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Vidhya Govindan <vidhya.govindan@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271.h     | 10 +++-
 drivers/net/wireless/wl12xx/wl1271_spi.c | 69 +++++++++++++++++++++++-
 2 files changed, 75 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h
index c455dcbae52..957da8c0d9c 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl1271.h
@@ -107,7 +107,13 @@ enum {
 #define WL1271_FW_NAME "wl1271-fw.bin"
 #define WL1271_NVS_NAME "wl1271-nvs.bin"
 
-#define WL1271_BUSY_WORD_LEN 8
+/*
+ * FIXME: for the wl1271, a busy word count of 1 here will result in a more
+ * optimal SPI interface. There is some SPI bug however, causing RXS time outs
+ * with this mode occasionally on boot, so lets have two for now.
+ */
+#define WL1271_BUSY_WORD_CNT 2
+#define WL1271_BUSY_WORD_LEN (WL1271_BUSY_WORD_CNT * sizeof(u32))
 
 #define WL1271_ELP_HW_STATE_ASLEEP 0
 #define WL1271_ELP_HW_STATE_IRQ    1
@@ -389,7 +395,7 @@ struct wl1271 {
 
 	u32 buffer_32;
 	u32 buffer_cmd;
-	u8 buffer_busyword[WL1271_BUSY_WORD_LEN];
+	u32 buffer_busyword[WL1271_BUSY_WORD_CNT];
 	struct wl1271_rx_descriptor *rx_descriptor;
 
 	struct wl1271_fw_status *fw_status;
diff --git a/drivers/net/wireless/wl12xx/wl1271_spi.c b/drivers/net/wireless/wl12xx/wl1271_spi.c
index 4a12880c16a..504991acb05 100644
--- a/drivers/net/wireless/wl12xx/wl1271_spi.c
+++ b/drivers/net/wireless/wl12xx/wl1271_spi.c
@@ -244,12 +244,75 @@ int wl1271_set_partition(struct wl1271 *wl,
 	return 0;
 }
 
+#define WL1271_BUSY_WORD_TIMEOUT 1000
+
+void wl1271_spi_read_busy(struct wl1271 *wl, void *buf, size_t len)
+{
+	struct spi_transfer t[1];
+	struct spi_message m;
+	u32 *busy_buf;
+	int num_busy_bytes = 0;
+
+	wl1271_info("spi read BUSY!");
+
+	/*
+	 * Look for the non-busy word in the read buffer, and if found,
+	 * read in the remaining data into the buffer.
+	 */
+	busy_buf = (u32 *)buf;
+	for (; (u32)busy_buf < (u32)buf + len; busy_buf++) {
+		num_busy_bytes += sizeof(u32);
+		if (*busy_buf & 0x1) {
+			spi_message_init(&m);
+			memset(t, 0, sizeof(t));
+			memmove(buf, busy_buf, len - num_busy_bytes);
+			t[0].rx_buf = buf + (len - num_busy_bytes);
+			t[0].len = num_busy_bytes;
+			spi_message_add_tail(&t[0], &m);
+			spi_sync(wl->spi, &m);
+			return;
+		}
+	}
+
+	/*
+	 * Read further busy words from SPI until a non-busy word is
+	 * encountered, then read the data itself into the buffer.
+	 */
+	wl1271_info("spi read BUSY-polling needed!");
+
+	num_busy_bytes = WL1271_BUSY_WORD_TIMEOUT;
+	busy_buf = wl->buffer_busyword;
+	while (num_busy_bytes) {
+		num_busy_bytes--;
+		spi_message_init(&m);
+		memset(t, 0, sizeof(t));
+		t[0].rx_buf = busy_buf;
+		t[0].len = sizeof(u32);
+		spi_message_add_tail(&t[0], &m);
+		spi_sync(wl->spi, &m);
+
+		if (*busy_buf & 0x1) {
+			spi_message_init(&m);
+			memset(t, 0, sizeof(t));
+			t[0].rx_buf = buf;
+			t[0].len = len;
+			spi_message_add_tail(&t[0], &m);
+			spi_sync(wl->spi, &m);
+			return;
+		}
+	}
+
+	/* The SPI bus is unresponsive, the read failed. */
+	memset(buf, 0, len);
+	wl1271_error("SPI read busy-word timeout!\n");
+}
+
 void wl1271_spi_read(struct wl1271 *wl, int addr, void *buf,
 		     size_t len, bool fixed)
 {
 	struct spi_transfer t[3];
 	struct spi_message m;
-	u8 *busy_buf;
+	u32 *busy_buf;
 	u32 *cmd;
 
 	cmd = &wl->buffer_cmd;
@@ -281,7 +344,9 @@ void wl1271_spi_read(struct wl1271 *wl, int addr, void *buf,
 
 	spi_sync(wl->spi, &m);
 
-	/* FIXME: check busy words */
+	/* Check busy words */
+	if (!(busy_buf[WL1271_BUSY_WORD_CNT - 1] & 0x1))
+		wl1271_spi_read_busy(wl, buf, len);
 
 	wl1271_dump(DEBUG_SPI, "spi_read cmd -> ", cmd, sizeof(*cmd));
 	wl1271_dump(DEBUG_SPI, "spi_read buf <- ", buf, len);
-- 
GitLab


From 8a5a37a6c492f7c9602aa72ef19f69c926cdca15 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Thu, 8 Oct 2009 21:56:24 +0300
Subject: [PATCH 0447/1815] wl1271: Configure rate policies based on AP rates

Configure the rate policies to the firmware based on the rates given by
the AP.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271.h      |  3 +++
 drivers/net/wireless/wl12xx/wl1271_acx.c  |  4 +--
 drivers/net/wireless/wl12xx/wl1271_acx.h  |  2 +-
 drivers/net/wireless/wl12xx/wl1271_init.c |  2 +-
 drivers/net/wireless/wl12xx/wl1271_main.c | 31 +++++++++++++++++++++++
 5 files changed, 38 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h
index 957da8c0d9c..671dc5af2e6 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl1271.h
@@ -369,6 +369,9 @@ struct wl1271 {
 	/* Our association ID */
 	u16 aid;
 
+	/* The current band */
+	enum ieee80211_band band;
+
 	/* Default key (for WEP) */
 	u32 default_key;
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.c b/drivers/net/wireless/wl12xx/wl1271_acx.c
index f622a409261..2ae1081ed62 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.c
@@ -703,7 +703,7 @@ int wl1271_acx_statistics(struct wl1271 *wl, struct acx_statistics *stats)
 	return 0;
 }
 
-int wl1271_acx_rate_policies(struct wl1271 *wl)
+int wl1271_acx_rate_policies(struct wl1271 *wl, u32 enabled_rates)
 {
 	struct acx_rate_policy *acx;
 	int ret = 0;
@@ -719,7 +719,7 @@ int wl1271_acx_rate_policies(struct wl1271 *wl)
 
 	/* configure one default (one-size-fits-all) rate class */
 	acx->rate_class_cnt = 1;
-	acx->rate_class[0].enabled_rates = ACX_RATE_MASK_ALL;
+	acx->rate_class[0].enabled_rates = enabled_rates;
 	acx->rate_class[0].short_retry_limit = ACX_RATE_RETRY_LIMIT;
 	acx->rate_class[0].long_retry_limit = ACX_RATE_RETRY_LIMIT;
 	acx->rate_class[0].aflags = 0;
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.h b/drivers/net/wireless/wl12xx/wl1271_acx.h
index 9068daaf0dd..55850eb809e 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.h
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.h
@@ -1209,7 +1209,7 @@ int wl1271_acx_set_preamble(struct wl1271 *wl, enum acx_preamble_type preamble);
 int wl1271_acx_cts_protect(struct wl1271 *wl,
 			    enum acx_ctsprotect_type ctsprotect);
 int wl1271_acx_statistics(struct wl1271 *wl, struct acx_statistics *stats);
-int wl1271_acx_rate_policies(struct wl1271 *wl);
+int wl1271_acx_rate_policies(struct wl1271 *wl, u32 enabled_rates);
 int wl1271_acx_ac_cfg(struct wl1271 *wl);
 int wl1271_acx_tid_cfg(struct wl1271 *wl);
 int wl1271_acx_frag_threshold(struct wl1271 *wl);
diff --git a/drivers/net/wireless/wl12xx/wl1271_init.c b/drivers/net/wireless/wl12xx/wl1271_init.c
index 490df217605..eb6b91ab968 100644
--- a/drivers/net/wireless/wl12xx/wl1271_init.c
+++ b/drivers/net/wireless/wl12xx/wl1271_init.c
@@ -369,7 +369,7 @@ int wl1271_hw_init(struct wl1271 *wl)
 		goto out_free_memmap;
 
 	/* Configure TX rate classes */
-	ret = wl1271_acx_rate_policies(wl);
+	ret = wl1271_acx_rate_policies(wl, ACX_RATE_MASK_ALL);
 	if (ret < 0)
 		goto out_free_memmap;
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index cc5c3285dea..b9b1c201374 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -583,6 +583,7 @@ static void wl1271_op_stop(struct ieee80211_hw *hw)
 	wl->ssid_len = 0;
 	wl->listen_int = 1;
 	wl->bss_type = MAX_BSS_TYPE;
+	wl->band = IEEE80211_BAND_2GHZ;
 
 	wl->rx_counter = 0;
 	wl->elp = false;
@@ -727,6 +728,8 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
 
 	mutex_lock(&wl->mutex);
 
+	wl->band = conf->channel->band;
+
 	ret = wl1271_ps_elp_wakeup(wl, false);
 	if (ret < 0)
 		goto out;
@@ -978,6 +981,22 @@ out:
 	return ret;
 }
 
+static u32 wl1271_enabled_rates_get(struct wl1271 *wl, u64 basic_rate_set)
+{
+	struct ieee80211_supported_band *band;
+	u32 enabled_rates = 0;
+	int bit;
+
+	band = wl->hw->wiphy->bands[wl->band];
+	for (bit = 0; bit < band->n_bitrates; bit++) {
+		if (basic_rate_set & 0x1)
+			enabled_rates |= band->bitrates[bit].hw_value;
+		basic_rate_set >>= 1;
+	}
+
+	return enabled_rates;
+}
+
 static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
 				       struct ieee80211_vif *vif,
 				       struct ieee80211_bss_conf *bss_conf,
@@ -1016,6 +1035,7 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
 			}
 		}
 	}
+
 	if (changed & BSS_CHANGED_ERP_SLOT) {
 		if (bss_conf->use_short_slot)
 			ret = wl1271_acx_slot(wl, SLOT_TIME_SHORT);
@@ -1045,6 +1065,16 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
 		}
 	}
 
+	if (changed & BSS_CHANGED_BASIC_RATES) {
+		u32 enabled_rates = wl1271_enabled_rates_get(
+			wl, bss_conf->basic_rates);
+		ret = wl1271_acx_rate_policies(wl, enabled_rates);
+		if (ret < 0) {
+			wl1271_warning("Set rate policies failed %d", ret);
+			goto out_sleep;
+		}
+	}
+
 out_sleep:
 	wl1271_ps_elp_sleep(wl);
 
@@ -1239,6 +1269,7 @@ static int __devinit wl1271_probe(struct spi_device *spi)
 	wl->psm_requested = false;
 	wl->tx_queue_stopped = false;
 	wl->power_level = WL1271_DEFAULT_POWER_LEVEL;
+	wl->band = IEEE80211_BAND_2GHZ;
 
 	/* We use the default power on sleep time until we know which chip
 	 * we're using */
-- 
GitLab


From d94cd297e58b55bb272fdfd51ff0de7acbc1941b Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Thu, 8 Oct 2009 21:56:25 +0300
Subject: [PATCH 0448/1815] wl1271: Update join usage

Update the usage of join's, including using actual beacon interval and
dtim from AP, and configuring a basic rate set from AP.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271.h      | 12 +++++++
 drivers/net/wireless/wl12xx/wl1271_cmd.c  | 15 +++-----
 drivers/net/wireless/wl12xx/wl1271_cmd.h  |  3 +-
 drivers/net/wireless/wl12xx/wl1271_main.c | 42 +++++++++++++++++------
 4 files changed, 50 insertions(+), 22 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h
index 671dc5af2e6..05eb29c847c 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl1271.h
@@ -104,6 +104,8 @@ enum {
 				  CFG_RX_CTL_EN | CFG_RX_BCN_EN |     \
 				  CFG_RX_AUTH_EN | CFG_RX_ASSOC_EN)
 
+#define WL1271_DEFAULT_BASIC_RATE_SET (ACX_RATE_MASK_ALL)
+
 #define WL1271_FW_NAME "wl1271-fw.bin"
 #define WL1271_NVS_NAME "wl1271-nvs.bin"
 
@@ -118,6 +120,9 @@ enum {
 #define WL1271_ELP_HW_STATE_ASLEEP 0
 #define WL1271_ELP_HW_STATE_IRQ    1
 
+#define WL1271_DEFAULT_BEACON_INT  100
+#define WL1271_DEFAULT_DTIM_PERIOD 1
+
 enum wl1271_state {
 	WL1271_STATE_OFF,
 	WL1271_STATE_ON,
@@ -369,6 +374,13 @@ struct wl1271 {
 	/* Our association ID */
 	u16 aid;
 
+	/* Beacon parameters */
+	u16 beacon_int;
+	u8 dtim_period;
+
+	/* currently configured rate set */
+	u32 basic_rate_set;
+
 	/* The current band */
 	enum ieee80211_band band;
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c
index bd65b38eb1d..35a6e67f7ae 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.c
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c
@@ -175,11 +175,9 @@ int wl1271_cmd_cal(struct wl1271 *wl)
 	return ret;
 }
 
-int wl1271_cmd_join(struct wl1271 *wl, u8 bss_type, u8 dtim_interval,
-		    u16 beacon_interval, u8 wait)
+int wl1271_cmd_join(struct wl1271 *wl)
 {
 	static bool do_cal = true;
-	unsigned long timeout;
 	struct wl1271_cmd_join *join;
 	int ret, i;
 	u8 *bssid;
@@ -213,9 +211,9 @@ int wl1271_cmd_join(struct wl1271 *wl, u8 bss_type, u8 dtim_interval,
 	join->basic_rate_set = RATE_MASK_1MBPS | RATE_MASK_2MBPS |
 		RATE_MASK_5_5MBPS | RATE_MASK_11MBPS;
 
-	join->beacon_interval = beacon_interval;
-	join->dtim_interval = dtim_interval;
-	join->bss_type = bss_type;
+	join->beacon_interval = wl->beacon_int;
+	join->dtim_interval = wl->dtim_period;
+	join->bss_type = wl->bss_type;
 	join->channel = wl->channel;
 	join->ssid_len = wl->ssid_len;
 	memcpy(join->ssid, wl->ssid, wl->ssid_len);
@@ -239,14 +237,11 @@ int wl1271_cmd_join(struct wl1271 *wl, u8 bss_type, u8 dtim_interval,
 		goto out_free;
 	}
 
-	timeout = msecs_to_jiffies(JOIN_TIMEOUT);
-
 	/*
 	 * ugly hack: we should wait for JOIN_EVENT_COMPLETE_ID but to
 	 * simplify locking we just sleep instead, for now
 	 */
-	if (wait)
-		msleep(10);
+	msleep(10);
 
 out_free:
 	kfree(join);
diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.h b/drivers/net/wireless/wl12xx/wl1271_cmd.h
index 7c4d3aaaa81..63bc4417deb 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.h
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.h
@@ -30,8 +30,7 @@
 struct acx_header;
 
 int wl1271_cmd_send(struct wl1271 *wl, u16 type, void *buf, size_t buf_len);
-int wl1271_cmd_join(struct wl1271 *wl, u8 bss_type, u8 dtim_interval,
-		    u16 beacon_interval, u8 wait);
+int wl1271_cmd_join(struct wl1271 *wl);
 int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer);
 int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len);
 int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len);
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index b9b1c201374..6e35fcf37e4 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -394,8 +394,7 @@ static void wl1271_filter_work(struct work_struct *work)
 	if (ret < 0)
 		goto out;
 
-	/* FIXME: replace the magic numbers with proper definitions */
-	ret = wl1271_cmd_join(wl, wl->bss_type, 1, 100, 0);
+	ret = wl1271_cmd_join(wl);
 	if (ret < 0)
 		goto out_sleep;
 
@@ -672,8 +671,7 @@ static int wl1271_op_config_interface(struct ieee80211_hw *hw,
 		memcpy(wl->ssid, conf->ssid, wl->ssid_len);
 
 	if (wl->bss_type != BSS_TYPE_IBSS) {
-		/* FIXME: replace the magic numbers with proper definitions */
-		ret = wl1271_cmd_join(wl, wl->bss_type, 5, 100, 1);
+		ret = wl1271_cmd_join(wl);
 		if (ret < 0)
 			goto out_sleep;
 	}
@@ -696,8 +694,7 @@ static int wl1271_op_config_interface(struct ieee80211_hw *hw,
 		if (ret < 0)
 			goto out_sleep;
 
-		/* FIXME: replace the magic numbers with proper definitions */
-		ret = wl1271_cmd_join(wl, wl->bss_type, 1, 100, 0);
+		ret = wl1271_cmd_join(wl);
 
 		if (ret < 0)
 			goto out_sleep;
@@ -738,8 +735,7 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
 		u8 old_channel = wl->channel;
 		wl->channel = channel;
 
-		/* FIXME: use beacon interval provided by mac80211 */
-		ret = wl1271_cmd_join(wl, wl->bss_type, 1, 100, 0);
+		ret = wl1271_cmd_join(wl);
 		if (ret < 0) {
 			wl->channel = old_channel;
 			goto out_sleep;
@@ -1016,8 +1012,17 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
 
 	if (changed & BSS_CHANGED_ASSOC) {
 		if (bss_conf->assoc) {
+			wl->beacon_int = bss_conf->beacon_int;
+			wl->dtim_period = bss_conf->dtim_period;
 			wl->aid = bss_conf->aid;
 
+			ret = wl1271_cmd_join(wl);
+			if (ret < 0) {
+				wl1271_warning("Association configuration "
+					       "failed %d", ret);
+				goto out_sleep;
+			}
+
 			ret = wl1271_cmd_build_ps_poll(wl, wl->aid);
 			if (ret < 0)
 				goto out_sleep;
@@ -1033,7 +1038,14 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
 				if (ret < 0)
 					goto out_sleep;
 			}
+		} else {
+			/* use defaults when not associated */
+			wl->beacon_int = WL1271_DEFAULT_BEACON_INT;
+			wl->dtim_period = WL1271_DEFAULT_DTIM_PERIOD;
+			wl->basic_rate_set = WL1271_DEFAULT_BASIC_RATE_SET;
+			wl->aid = 0;
 		}
+
 	}
 
 	if (changed & BSS_CHANGED_ERP_SLOT) {
@@ -1066,13 +1078,20 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
 	}
 
 	if (changed & BSS_CHANGED_BASIC_RATES) {
-		u32 enabled_rates = wl1271_enabled_rates_get(
+		wl->basic_rate_set = wl1271_enabled_rates_get(
 			wl, bss_conf->basic_rates);
-		ret = wl1271_acx_rate_policies(wl, enabled_rates);
+		ret = wl1271_acx_rate_policies(wl, wl->basic_rate_set);
+
 		if (ret < 0) {
 			wl1271_warning("Set rate policies failed %d", ret);
 			goto out_sleep;
 		}
+		ret = wl1271_cmd_join(wl);
+		if (ret < 0) {
+			wl1271_warning("Join with new basic rate "
+				       "set failed %d", ret);
+			goto out_sleep;
+		}
 	}
 
 out_sleep:
@@ -1269,6 +1288,9 @@ static int __devinit wl1271_probe(struct spi_device *spi)
 	wl->psm_requested = false;
 	wl->tx_queue_stopped = false;
 	wl->power_level = WL1271_DEFAULT_POWER_LEVEL;
+	wl->beacon_int = WL1271_DEFAULT_BEACON_INT;
+	wl->dtim_period = WL1271_DEFAULT_DTIM_PERIOD;
+	wl->basic_rate_set = WL1271_DEFAULT_BASIC_RATE_SET;
 	wl->band = IEEE80211_BAND_2GHZ;
 
 	/* We use the default power on sleep time until we know which chip
-- 
GitLab


From be7078c21d826fbaab77f88440958019aab969af Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Thu, 8 Oct 2009 21:56:26 +0300
Subject: [PATCH 0449/1815] wl1271: Corrections to TX path

Corrections to the TX path - use correct number of maximum descriptors
(32 instead of 16) and correct checking and setting of excessive retries
on completion.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271.h      | 4 +++-
 drivers/net/wireless/wl12xx/wl1271_acx.h  | 1 -
 drivers/net/wireless/wl12xx/wl1271_main.c | 4 +---
 drivers/net/wireless/wl12xx/wl1271_tx.c   | 8 +++-----
 4 files changed, 7 insertions(+), 10 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h
index 05eb29c847c..0b4744db22e 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl1271.h
@@ -123,6 +123,8 @@ enum {
 #define WL1271_DEFAULT_BEACON_INT  100
 #define WL1271_DEFAULT_DTIM_PERIOD 1
 
+#define ACX_TX_DESCRIPTORS    32
+
 enum wl1271_state {
 	WL1271_STATE_OFF,
 	WL1271_STATE_ON,
@@ -346,7 +348,7 @@ struct wl1271 {
 	struct work_struct filter_work;
 
 	/* Pending TX frames */
-	struct sk_buff *tx_frames[16];
+	struct sk_buff *tx_frames[ACX_TX_DESCRIPTORS];
 
 	/* Security sequence number counters */
 	u8 tx_security_last_seq;
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.h b/drivers/net/wireless/wl12xx/wl1271_acx.h
index 55850eb809e..c1773459bf5 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.h
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.h
@@ -170,7 +170,6 @@ enum {
 #define  DP_RX_PACKET_RING_CHUNK_NUM 2
 #define  DP_TX_PACKET_RING_CHUNK_NUM 2
 #define  DP_TX_COMPLETE_TIME_OUT 20
-#define  FW_TX_CMPLT_BLOCK_SIZE 16
 
 #define TX_MSDU_LIFETIME_MIN       0
 #define TX_MSDU_LIFETIME_MAX       3000
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 6e35fcf37e4..0a0f2eacf40 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -1293,9 +1293,7 @@ static int __devinit wl1271_probe(struct spi_device *spi)
 	wl->basic_rate_set = WL1271_DEFAULT_BASIC_RATE_SET;
 	wl->band = IEEE80211_BAND_2GHZ;
 
-	/* We use the default power on sleep time until we know which chip
-	 * we're using */
-	for (i = 0; i < FW_TX_CMPLT_BLOCK_SIZE; i++)
+	for (i = 0; i < ACX_TX_DESCRIPTORS; i++)
 		wl->tx_frames[i] = NULL;
 
 	spin_lock_init(&wl->wl_lock);
diff --git a/drivers/net/wireless/wl12xx/wl1271_tx.c b/drivers/net/wireless/wl12xx/wl1271_tx.c
index 1ad1bc3f152..5d3aa4b26cf 100644
--- a/drivers/net/wireless/wl12xx/wl1271_tx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_tx.c
@@ -33,8 +33,7 @@
 static int wl1271_tx_id(struct wl1271 *wl, struct sk_buff *skb)
 {
 	int i;
-
-	for (i = 0; i < FW_TX_CMPLT_BLOCK_SIZE; i++)
+	for (i = 0; i < ACX_TX_DESCRIPTORS; i++)
 		if (wl->tx_frames[i] == NULL) {
 			wl->tx_frames[i] = skb;
 			return i;
@@ -262,14 +261,13 @@ out:
 static void wl1271_tx_complete_packet(struct wl1271 *wl,
 				      struct wl1271_tx_hw_res_descr *result)
 {
-
 	struct ieee80211_tx_info *info;
 	struct sk_buff *skb;
 	u16 seq;
 	int id = result->id;
 
 	/* check for id legality */
-	if (id >= TX_HW_RESULT_QUEUE_LEN || wl->tx_frames[id] == NULL) {
+	if (id >= ACX_TX_DESCRIPTORS || wl->tx_frames[id] == NULL) {
 		wl1271_warning("TX result illegal id: %d", id);
 		return;
 	}
@@ -382,7 +380,7 @@ void wl1271_tx_flush(struct wl1271 *wl)
 		ieee80211_tx_status(wl->hw, skb);
 	}
 
-	for (i = 0; i < FW_TX_CMPLT_BLOCK_SIZE; i++)
+	for (i = 0; i < ACX_TX_DESCRIPTORS; i++)
 		if (wl->tx_frames[i] != NULL) {
 			skb = wl->tx_frames[i];
 			info = IEEE80211_SKB_CB(skb);
-- 
GitLab


From 2f0187250041afc765df51e2cce653e8a5b9c1b6 Mon Sep 17 00:00:00 2001
From: Luciano Coelho <luciano.coelho@nokia.com>
Date: Thu, 8 Oct 2009 21:56:27 +0300
Subject: [PATCH 0450/1815] wl1271: added Juuso Oikarinen as module author

Add Juuso as one of the module authors, since he's working heavily on this
module as well.

Cc: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 0a0f2eacf40..1a0491a01ba 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -1449,3 +1449,4 @@ module_exit(wl1271_exit);
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Luciano Coelho <luciano.coelho@nokia.com>");
+MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>");
-- 
GitLab


From 64a7f67287c75f5bb28018a6ff2750a59ee1195a Mon Sep 17 00:00:00 2001
From: Luciano Coelho <luciano.coelho@nokia.com>
Date: Thu, 8 Oct 2009 21:56:28 +0300
Subject: [PATCH 0451/1815] wl1271: hack to disable filters

This is a hack to disable all filters in the join command.  This is based on
Kalle Valo's patch for wl1251.

Cc: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_cmd.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c
index 35a6e67f7ae..ac93efd53f2 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.c
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c
@@ -208,6 +208,15 @@ int wl1271_cmd_join(struct wl1271 *wl)
 	join->rx_config_options = wl->rx_config;
 	join->rx_filter_options = wl->rx_filter;
 
+	/*
+	 * FIXME: disable temporarily all filters because after commit
+	 * 9cef8737 "mac80211: fix managed mode BSSID handling" broke
+	 * association. The filter logic needs to be implemented properly
+	 * and once that is done, this hack can be removed.
+	 */
+	join->rx_config_options = 0;
+	join->rx_filter_options = WL1271_DEFAULT_RX_FILTER;
+
 	join->basic_rate_set = RATE_MASK_1MBPS | RATE_MASK_2MBPS |
 		RATE_MASK_5_5MBPS | RATE_MASK_11MBPS;
 
-- 
GitLab


From a64b07e8c6ff8394cd8c5a505b9f04d945f9f30f Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Thu, 8 Oct 2009 21:56:29 +0300
Subject: [PATCH 0452/1815] wl1271: use workqueue provided by mac80211 instead
 of the default

Use the workqueue provided by the mac80211 stack instead of the system
default queue.

Modified to use new ieee_queue_work() as required by changes in the
stack.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_main.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 1a0491a01ba..d1042305abc 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -107,7 +107,7 @@ static void wl1271_fw_status(struct wl1271 *wl, struct wl1271_fw_status *status)
 
 	/* if more blocks are available now, schedule some tx work */
 	if (total && !skb_queue_empty(&wl->tx_queue))
-		schedule_work(&wl->tx_work);
+		ieee80211_queue_work(wl->hw, &wl->tx_work);
 
 	/* update the host-chipset time offset */
 	wl->time_offset = jiffies_to_usecs(jiffies) - status->fw_localtime;
@@ -205,7 +205,7 @@ static irqreturn_t wl1271_irq(int irq, void *cookie)
 		wl->elp_compl = NULL;
 	}
 
-	schedule_work(&wl->irq_work);
+	ieee80211_queue_work(wl->hw, &wl->irq_work);
 	spin_unlock_irqrestore(&wl->wl_lock, flags);
 
 	return IRQ_HANDLED;
@@ -480,7 +480,7 @@ static int wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
 	 * before that, the tx_work will not be initialized!
 	 */
 
-	schedule_work(&wl->tx_work);
+	ieee80211_queue_work(wl->hw, &wl->tx_work);
 
 	/*
 	 * The workqueue is slow to process the tx_queue and we need stop
-- 
GitLab


From 66497dc3bd569e05a5bcb729d495eebad47aa46a Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Thu, 8 Oct 2009 21:56:30 +0300
Subject: [PATCH 0453/1815] wl1271: Clear probe-request template after scan

Clear the probe-request template on the firmware after scan. Unless
cleared, the firmware can independently send probe requests to the AP
and interfere with the mac80211 logic.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_event.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/wireless/wl12xx/wl1271_event.c b/drivers/net/wireless/wl12xx/wl1271_event.c
index f3afd4a6ff3..87055f7996b 100644
--- a/drivers/net/wireless/wl12xx/wl1271_event.c
+++ b/drivers/net/wireless/wl12xx/wl1271_event.c
@@ -26,6 +26,7 @@
 #include "wl1271_spi.h"
 #include "wl1271_event.h"
 #include "wl1271_ps.h"
+#include "wl12xx_80211.h"
 
 static int wl1271_event_scan_complete(struct wl1271 *wl,
 				      struct event_mailbox *mbox)
@@ -34,6 +35,9 @@ static int wl1271_event_scan_complete(struct wl1271 *wl,
 		     mbox->scheduled_scan_status);
 
 	if (wl->scanning) {
+		int size = sizeof(struct wl12xx_probe_req_template);
+		wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4, NULL,
+					size);
 		mutex_unlock(&wl->mutex);
 		ieee80211_scan_completed(wl->hw, false);
 		mutex_lock(&wl->mutex);
-- 
GitLab


From c87dec9f189b884df215756e285b9281cf065206 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Thu, 8 Oct 2009 21:56:31 +0300
Subject: [PATCH 0454/1815] wl1271: Multicast filtering configuration

Enable multicast filtering. This way by default no multicast frames will
reach the host, and when needed, only required multicast frames can be
passed from the WLAN chipset to the host.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271.h      |   7 +-
 drivers/net/wireless/wl12xx/wl1271_acx.c  |   9 +-
 drivers/net/wireless/wl12xx/wl1271_acx.h  |   8 +-
 drivers/net/wireless/wl12xx/wl1271_init.c |   2 +-
 drivers/net/wireless/wl12xx/wl1271_main.c | 121 +++++++++++++++++++---
 5 files changed, 120 insertions(+), 27 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h
index 0b4744db22e..34a52b33bf5 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl1271.h
@@ -97,7 +97,8 @@ enum {
 	} while (0)
 
 #define WL1271_DEFAULT_RX_CONFIG (CFG_UNI_FILTER_EN |	\
-				  CFG_BSSID_FILTER_EN)
+				  CFG_BSSID_FILTER_EN | \
+				  CFG_MC_FILTER_EN)
 
 #define WL1271_DEFAULT_RX_FILTER (CFG_RX_RCTS_ACK | CFG_RX_PRSP_EN |  \
 				  CFG_RX_MGMT_EN | CFG_RX_DATA_EN |   \
@@ -123,7 +124,7 @@ enum {
 #define WL1271_DEFAULT_BEACON_INT  100
 #define WL1271_DEFAULT_DTIM_PERIOD 1
 
-#define ACX_TX_DESCRIPTORS    32
+#define ACX_TX_DESCRIPTORS         32
 
 enum wl1271_state {
 	WL1271_STATE_OFF,
@@ -345,7 +346,9 @@ struct wl1271 {
 	bool tx_queue_stopped;
 
 	struct work_struct tx_work;
+
 	struct work_struct filter_work;
+	struct wl1271_filter_params *filter_params;
 
 	/* Pending TX frames */
 	struct sk_buff *tx_frames[ACX_TX_DESCRIPTORS];
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.c b/drivers/net/wireless/wl12xx/wl1271_acx.c
index 2ae1081ed62..a457123442a 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.c
@@ -300,7 +300,8 @@ out:
 	return ret;
 }
 
-int wl1271_acx_group_address_tbl(struct wl1271 *wl)
+int wl1271_acx_group_address_tbl(struct wl1271 *wl, bool enable,
+				 void *mc_list, u32 mc_list_len)
 {
 	struct acx_dot11_grp_addr_tbl *acx;
 	int ret;
@@ -314,9 +315,9 @@ int wl1271_acx_group_address_tbl(struct wl1271 *wl)
 	}
 
 	/* MAC filtering */
-	acx->enabled = 0;
-	acx->num_groups = 0;
-	memset(acx->mac_table, 0, ADDRESS_GROUP_MAX_LEN);
+	acx->enabled = enable;
+	acx->num_groups = mc_list_len;
+	memcpy(acx->mac_table, mc_list, mc_list_len * ETH_ALEN);
 
 	ret = wl1271_cmd_configure(wl, DOT11_GROUP_ADDRESS_TBL,
 				   acx, sizeof(*acx));
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.h b/drivers/net/wireless/wl12xx/wl1271_acx.h
index c1773459bf5..dae1fed66b3 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.h
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.h
@@ -301,8 +301,8 @@ struct acx_slot {
 } __attribute__ ((packed));
 
 
-#define ADDRESS_GROUP_MAX	(8)
-#define ADDRESS_GROUP_MAX_LEN	(ETH_ALEN * ADDRESS_GROUP_MAX)
+#define ACX_MC_ADDRESS_GROUP_MAX	(8)
+#define ADDRESS_GROUP_MAX_LEN	        (ETH_ALEN * ACX_MC_ADDRESS_GROUP_MAX)
 
 struct acx_dot11_grp_addr_tbl {
 	struct acx_header header;
@@ -313,7 +313,6 @@ struct acx_dot11_grp_addr_tbl {
 	u8 mac_table[ADDRESS_GROUP_MAX_LEN];
 } __attribute__ ((packed));
 
-
 #define  RX_TIMEOUT_PS_POLL_MIN    0
 #define  RX_TIMEOUT_PS_POLL_MAX    (200000)
 #define  RX_TIMEOUT_PS_POLL_DEF    (15)
@@ -1193,7 +1192,8 @@ int wl1271_acx_rx_msdu_life_time(struct wl1271 *wl, u32 life_time);
 int wl1271_acx_rx_config(struct wl1271 *wl, u32 config, u32 filter);
 int wl1271_acx_pd_threshold(struct wl1271 *wl);
 int wl1271_acx_slot(struct wl1271 *wl, enum acx_slot_type slot_time);
-int wl1271_acx_group_address_tbl(struct wl1271 *wl);
+int wl1271_acx_group_address_tbl(struct wl1271 *wl, bool enable,
+				 void *mc_list, u32 mc_list_len);
 int wl1271_acx_service_period_timeout(struct wl1271 *wl);
 int wl1271_acx_rts_threshold(struct wl1271 *wl, u16 rts_threshold);
 int wl1271_acx_beacon_filter_opt(struct wl1271 *wl);
diff --git a/drivers/net/wireless/wl12xx/wl1271_init.c b/drivers/net/wireless/wl12xx/wl1271_init.c
index eb6b91ab968..49ff4071c0b 100644
--- a/drivers/net/wireless/wl12xx/wl1271_init.c
+++ b/drivers/net/wireless/wl12xx/wl1271_init.c
@@ -117,7 +117,7 @@ static int wl1271_init_phy_config(struct wl1271 *wl)
 	if (ret < 0)
 		return ret;
 
-	ret = wl1271_acx_group_address_tbl(wl);
+	ret = wl1271_acx_group_address_tbl(wl, true, NULL, 0);
 	if (ret < 0)
 		return ret;
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index d1042305abc..09fe9686977 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -379,12 +379,39 @@ out:
 	return ret;
 }
 
+struct wl1271_filter_params {
+	unsigned int filters;
+	unsigned int changed;
+	int mc_list_length;
+	u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN];
+};
+
+#define WL1271_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \
+				  FIF_ALLMULTI | \
+				  FIF_FCSFAIL | \
+				  FIF_BCN_PRBRESP_PROMISC | \
+				  FIF_CONTROL | \
+				  FIF_OTHER_BSS)
+
 static void wl1271_filter_work(struct work_struct *work)
 {
 	struct wl1271 *wl =
 		container_of(work, struct wl1271, filter_work);
+	struct wl1271_filter_params *fp;
+	unsigned long flags;
+	bool enabled = true;
 	int ret;
 
+	/* first, get the filter parameters */
+	spin_lock_irqsave(&wl->wl_lock, flags);
+	fp = wl->filter_params;
+	wl->filter_params = NULL;
+	spin_unlock_irqrestore(&wl->wl_lock, flags);
+
+	if (!fp)
+		return;
+
+	/* then, lock the mutex without risk of lock-up */
 	mutex_lock(&wl->mutex);
 
 	if (wl->state == WL1271_STATE_OFF)
@@ -394,6 +421,20 @@ static void wl1271_filter_work(struct work_struct *work)
 	if (ret < 0)
 		goto out;
 
+	/* configure the mc filter regardless of the changed flags */
+	if (fp->filters & FIF_ALLMULTI)
+		enabled = false;
+
+	ret = wl1271_acx_group_address_tbl(wl, enabled,
+					   fp->mc_list, fp->mc_list_length);
+	if (ret < 0)
+		goto out_sleep;
+
+	/* determine, whether supported filter values have changed */
+	if (fp->changed == 0)
+		goto out;
+
+	/* apply configured filters */
 	ret = wl1271_cmd_join(wl);
 	if (ret < 0)
 		goto out_sleep;
@@ -403,6 +444,7 @@ out_sleep:
 
 out:
 	mutex_unlock(&wl->mutex);
+	kfree(fp);
 }
 
 int wl1271_plt_start(struct wl1271 *wl)
@@ -544,12 +586,20 @@ out:
 static void wl1271_op_stop(struct ieee80211_hw *hw)
 {
 	struct wl1271 *wl = hw->priv;
+	unsigned long flags;
 	int i;
 
 	wl1271_info("down");
 
 	wl1271_debug(DEBUG_MAC80211, "mac80211 stop");
 
+	/* complete/cancel ongoing work */
+	cancel_work_sync(&wl->filter_work);
+	spin_lock_irqsave(&wl->wl_lock, flags);
+	kfree(wl->filter_params);
+	wl->filter_params = NULL;
+	spin_unlock_irqrestore(&wl->wl_lock, flags);
+
 	mutex_lock(&wl->mutex);
 
 	WARN_ON(wl->state != WL1271_STATE_ON);
@@ -784,16 +834,52 @@ out:
 	return ret;
 }
 
-#define WL1271_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \
-				  FIF_ALLMULTI | \
-				  FIF_FCSFAIL | \
-				  FIF_BCN_PRBRESP_PROMISC | \
-				  FIF_CONTROL | \
-				  FIF_OTHER_BSS)
+static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, int mc_count,
+				       struct dev_addr_list *mc_list)
+{
+	struct wl1271 *wl = hw->priv;
+	struct wl1271_filter_params *fp;
+	unsigned long flags;
+	int i;
+
+	/*
+	 * FIXME: we should return a hash that will be passed to
+	 * configure_filter() instead of saving everything in the context.
+	 */
+
+	fp = kzalloc(sizeof(*fp), GFP_KERNEL);
+	if (!fp) {
+		wl1271_error("Out of memory setting filters.");
+		return 0;
+	}
+
+	/* update multicast filtering parameters */
+	if (mc_count > ACX_MC_ADDRESS_GROUP_MAX) {
+		mc_count = 0;
+		fp->filters |= FIF_ALLMULTI;
+	}
+
+	fp->mc_list_length = 0;
+	for (i = 0; i < mc_count; i++) {
+		if (mc_list->da_addrlen == ETH_ALEN) {
+			memcpy(fp->mc_list[fp->mc_list_length],
+			       mc_list->da_addr, ETH_ALEN);
+			fp->mc_list_length++;
+		} else
+			wl1271_warning("Unknown mc address length.");
+	}
+
+	spin_lock_irqsave(&wl->wl_lock, flags);
+	kfree(wl->filter_params);
+	wl->filter_params = fp;
+	spin_unlock_irqrestore(&wl->wl_lock, flags);
+
+	return 1;
+}
 
 static void wl1271_op_configure_filter(struct ieee80211_hw *hw,
 				       unsigned int changed,
-				       unsigned int *total,u64 multicast)
+				       unsigned int *total, u64 multicast)
 {
 	struct wl1271 *wl = hw->priv;
 
@@ -802,19 +888,21 @@ static void wl1271_op_configure_filter(struct ieee80211_hw *hw,
 	*total &= WL1271_SUPPORTED_FILTERS;
 	changed &= WL1271_SUPPORTED_FILTERS;
 
-	if (changed == 0)
+	if (!multicast)
 		return;
 
-	/* FIXME: wl->rx_config and wl->rx_filter are not protected */
-	wl->rx_config = WL1271_DEFAULT_RX_CONFIG;
-	wl->rx_filter = WL1271_DEFAULT_RX_FILTER;
-
 	/*
-	 * FIXME: workqueues need to be properly cancelled on stop(), for
-	 * now let's just disable changing the filter settings. They will
-	 * be updated any on config().
+	 * FIXME: for now we are still using a workqueue for filter
+	 * configuration, but with the new mac80211, this is not needed,
+	 * since configure_filter can now sleep.  We now have
+	 * prepare_multicast, which needs to be atomic instead.
 	 */
-	/* schedule_work(&wl->filter_work); */
+
+	/* store current filter config */
+	wl->filter_params->filters = *total;
+	wl->filter_params->changed = changed;
+
+	ieee80211_queue_work(wl->hw, &wl->filter_work);
 }
 
 static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
@@ -1177,6 +1265,7 @@ static const struct ieee80211_ops wl1271_ops = {
 	.remove_interface = wl1271_op_remove_interface,
 	.config = wl1271_op_config,
 /* 	.config_interface = wl1271_op_config_interface, */
+	.prepare_multicast = wl1271_op_prepare_multicast,
 	.configure_filter = wl1271_op_configure_filter,
 	.tx = wl1271_op_tx,
 	.set_key = wl1271_op_set_key,
-- 
GitLab


From 1fba49741dc50d13d2fe6cf04f5a547e6c5c81f6 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Thu, 8 Oct 2009 21:56:32 +0300
Subject: [PATCH 0455/1815] wl1271: Use vmalloc to allocate memory for firmware

Use vmalloc to allocate memory for the firmware image, and use a smaller
linear buffer for the actual transfer of the firmware to the chipset.

This patch is an adaptation of a similar patch for wl1251 by Kalle Valo.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_boot.c | 16 ++++++++++++----
 drivers/net/wireless/wl12xx/wl1271_main.c |  5 +++--
 2 files changed, 15 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.c b/drivers/net/wireless/wl12xx/wl1271_boot.c
index 8228ef474a7..7640313c45c 100644
--- a/drivers/net/wireless/wl12xx/wl1271_boot.c
+++ b/drivers/net/wireless/wl12xx/wl1271_boot.c
@@ -94,7 +94,7 @@ static int wl1271_boot_upload_firmware_chunk(struct wl1271 *wl, void *buf,
 					     size_t fw_data_len, u32 dest)
 {
 	int addr, chunk_num, partition_limit;
-	u8 *p;
+	u8 *p, *chunk;
 
 	/* whal_FwCtrl_LoadFwImageSm() */
 
@@ -103,12 +103,17 @@ static int wl1271_boot_upload_firmware_chunk(struct wl1271 *wl, void *buf,
 	wl1271_debug(DEBUG_BOOT, "fw_data_len %zd chunk_size %d",
 		     fw_data_len, CHUNK_SIZE);
 
-
 	if ((fw_data_len % 4) != 0) {
 		wl1271_error("firmware length not multiple of four");
 		return -EIO;
 	}
 
+	chunk = kmalloc(CHUNK_SIZE, GFP_KERNEL);
+	if (!buf) {
+		wl1271_error("allocation for firmware upload chunk failed");
+		return -ENOMEM;
+	}
+
 	wl1271_set_partition(wl, dest,
 			     part_table[PART_DOWN].mem.size,
 			     part_table[PART_DOWN].reg.start,
@@ -137,9 +142,10 @@ static int wl1271_boot_upload_firmware_chunk(struct wl1271 *wl, void *buf,
 		/* 10.3 upload the chunk */
 		addr = dest + chunk_num * CHUNK_SIZE;
 		p = buf + chunk_num * CHUNK_SIZE;
+		memcpy(chunk, p, CHUNK_SIZE);
 		wl1271_debug(DEBUG_BOOT, "uploading fw chunk 0x%p to 0x%x",
 			     p, addr);
-		wl1271_spi_mem_write(wl, addr, p, CHUNK_SIZE);
+		wl1271_spi_mem_write(wl, addr, chunk, CHUNK_SIZE);
 
 		chunk_num++;
 	}
@@ -147,10 +153,12 @@ static int wl1271_boot_upload_firmware_chunk(struct wl1271 *wl, void *buf,
 	/* 10.4 upload the last chunk */
 	addr = dest + chunk_num * CHUNK_SIZE;
 	p = buf + chunk_num * CHUNK_SIZE;
+	memcpy(chunk, p, fw_data_len % CHUNK_SIZE);
 	wl1271_debug(DEBUG_BOOT, "uploading fw last chunk (%zd B) 0x%p to 0x%x",
 		     fw_data_len % CHUNK_SIZE, p, addr);
-	wl1271_spi_mem_write(wl, addr, p, fw_data_len % CHUNK_SIZE);
+	wl1271_spi_mem_write(wl, addr, chunk, fw_data_len % CHUNK_SIZE);
 
+	kfree(chunk);
 	return 0;
 }
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 09fe9686977..d22de23f0bc 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -30,6 +30,7 @@
 #include <linux/spi/spi.h>
 #include <linux/crc32.h>
 #include <linux/etherdevice.h>
+#include <linux/vmalloc.h>
 #include <linux/spi/wl12xx.h>
 
 #include "wl1271.h"
@@ -231,7 +232,7 @@ static int wl1271_fetch_firmware(struct wl1271 *wl)
 	}
 
 	wl->fw_len = fw->size;
-	wl->fw = kmalloc(wl->fw_len, GFP_KERNEL);
+	wl->fw = vmalloc(wl->fw_len);
 
 	if (!wl->fw) {
 		wl1271_error("could not allocate memory for the firmware");
@@ -1484,7 +1485,7 @@ static int __devexit wl1271_remove(struct spi_device *spi)
 	platform_device_unregister(&wl1271_device);
 	free_irq(wl->irq, wl);
 	kfree(wl->target_mem_map);
-	kfree(wl->fw);
+	vfree(wl->fw);
 	wl->fw = NULL;
 	kfree(wl->nvs);
 	wl->nvs = NULL;
-- 
GitLab


From 344152361e6d14ade61d7f43678db7418cb445db Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Thu, 8 Oct 2009 21:56:33 +0300
Subject: [PATCH 0456/1815] wl1271: Add connection monitoring configuration

Add configuration for connection monitor (number of allowed beacons, and
timeout after last received beacon.)

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_acx.c  | 30 +++++++++++++++++++++++
 drivers/net/wireless/wl12xx/wl1271_acx.h  | 11 +++++++++
 drivers/net/wireless/wl12xx/wl1271_init.c |  6 +++++
 3 files changed, 47 insertions(+)

diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.c b/drivers/net/wireless/wl12xx/wl1271_acx.c
index a457123442a..4b5fd94921c 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.c
@@ -442,6 +442,36 @@ out:
 	return ret;
 }
 
+int wl1271_acx_conn_monit_params(struct wl1271 *wl)
+{
+	struct acx_conn_monit_params *acx;
+	int ret;
+
+	wl1271_debug(DEBUG_ACX, "acx connection monitor parameters");
+
+	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
+	if (!acx) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	acx->synch_fail_thold = SYNCH_FAIL_DEFAULT_THRESHOLD;
+	acx->bss_lose_timeout = NO_BEACON_DEFAULT_TIMEOUT;
+
+	ret = wl1271_cmd_configure(wl, ACX_CONN_MONIT_PARAMS,
+				   acx, sizeof(*acx));
+	if (ret < 0) {
+		wl1271_warning("failed to set connection monitor "
+			       "parameters: %d", ret);
+		goto out;
+	}
+
+out:
+	kfree(acx);
+	return ret;
+}
+
+
 int wl1271_acx_sg_enable(struct wl1271 *wl)
 {
 	struct acx_bt_wlan_coex *pta;
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.h b/drivers/net/wireless/wl12xx/wl1271_acx.h
index dae1fed66b3..bb21bcbe163 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.h
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.h
@@ -406,6 +406,16 @@ struct acx_beacon_filter_ie_table {
 	u8 pad[3];
 } __attribute__ ((packed));
 
+#define SYNCH_FAIL_DEFAULT_THRESHOLD    5     /* number of beacons */
+#define NO_BEACON_DEFAULT_TIMEOUT       (100) /* TU */
+
+struct acx_conn_monit_params {
+       struct acx_header header;
+
+       u32 synch_fail_thold; /* number of beacons missed */
+       u32 bss_lose_timeout; /* number of TU's from synch fail */
+};
+
 enum {
 	SG_ENABLE = 0,
 	SG_DISABLE,
@@ -1198,6 +1208,7 @@ int wl1271_acx_service_period_timeout(struct wl1271 *wl);
 int wl1271_acx_rts_threshold(struct wl1271 *wl, u16 rts_threshold);
 int wl1271_acx_beacon_filter_opt(struct wl1271 *wl);
 int wl1271_acx_beacon_filter_table(struct wl1271 *wl);
+int wl1271_acx_conn_monit_params(struct wl1271 *wl);
 int wl1271_acx_sg_enable(struct wl1271 *wl);
 int wl1271_acx_sg_cfg(struct wl1271 *wl);
 int wl1271_acx_cca_threshold(struct wl1271 *wl);
diff --git a/drivers/net/wireless/wl12xx/wl1271_init.c b/drivers/net/wireless/wl12xx/wl1271_init.c
index 49ff4071c0b..d3db3fba41d 100644
--- a/drivers/net/wireless/wl12xx/wl1271_init.c
+++ b/drivers/net/wireless/wl12xx/wl1271_init.c
@@ -323,6 +323,11 @@ int wl1271_hw_init(struct wl1271 *wl)
 	if (ret < 0)
 		goto out_free_memmap;
 
+	/* Initialize connection monitoring thresholds */
+	ret = wl1271_acx_conn_monit_params(wl);
+	if (ret < 0)
+		goto out_free_memmap;
+
 	/* Beacon filtering */
 	ret = wl1271_init_beacon_filter(wl);
 	if (ret < 0)
@@ -392,6 +397,7 @@ int wl1271_hw_init(struct wl1271 *wl)
 
  out_free_memmap:
 	kfree(wl->target_mem_map);
+	wl->target_mem_map = NULL;
 
 	return ret;
 }
-- 
GitLab


From b771eee583343782c8b44d2b78cf53c29d0f3303 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Thu, 8 Oct 2009 21:56:34 +0300
Subject: [PATCH 0457/1815] wl1271: Enable beacon filtering with the stack

Enable beacon filtering with the mac80211 stack.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271.h       |  2 ++
 drivers/net/wireless/wl12xx/wl1271_event.c | 14 ++++++++------
 drivers/net/wireless/wl12xx/wl1271_main.c  | 12 ++++++++++++
 3 files changed, 22 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h
index 34a52b33bf5..96a58131694 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl1271.h
@@ -420,6 +420,8 @@ struct wl1271 {
 
 	struct wl1271_fw_status *fw_status;
 	struct wl1271_tx_hw_res_if *tx_res_if;
+
+	struct ieee80211_vif *vif;
 };
 
 int wl1271_plt_start(struct wl1271 *wl);
diff --git a/drivers/net/wireless/wl12xx/wl1271_event.c b/drivers/net/wireless/wl12xx/wl1271_event.c
index 87055f7996b..f32927650af 100644
--- a/drivers/net/wireless/wl12xx/wl1271_event.c
+++ b/drivers/net/wireless/wl12xx/wl1271_event.c
@@ -70,14 +70,16 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox)
 			return ret;
 	}
 
-	if (vector & BSS_LOSE_EVENT_ID) {
+	/*
+	 * The BSS_LOSE_EVENT_ID is only needed while psm (and hence beacon
+	 * filtering) is enabled. Without PSM, the stack will receive all
+	 * beacons and can detect beacon loss by itself.
+	 */
+	if (vector & BSS_LOSE_EVENT_ID && wl->psm) {
 		wl1271_debug(DEBUG_EVENT, "BSS_LOSE_EVENT");
 
-		if (wl->psm_requested && wl->psm) {
-			ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE);
-			if (ret < 0)
-				return ret;
-		}
+		/* indicate to the stack, that beacons have been lost */
+		ieee80211_beacon_loss(wl->vif);
 	}
 
 	return 0;
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index d22de23f0bc..e6f9e9b5703 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -665,6 +665,12 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw,
 		     conf->type, conf->mac_addr);
 
 	mutex_lock(&wl->mutex);
+	if (wl->vif) {
+		ret = -EBUSY;
+		goto out;
+	}
+
+	wl->vif = conf->vif;
 
 	switch (conf->type) {
 	case NL80211_IFTYPE_STATION:
@@ -688,7 +694,12 @@ out:
 static void wl1271_op_remove_interface(struct ieee80211_hw *hw,
 					 struct ieee80211_if_init_conf *conf)
 {
+	struct wl1271 *wl = hw->priv;
+
+	mutex_lock(&wl->mutex);
 	wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface");
+	wl->vif = NULL;
+	mutex_unlock(&wl->mutex);
 }
 
 #if 0
@@ -1382,6 +1393,7 @@ static int __devinit wl1271_probe(struct spi_device *spi)
 	wl->dtim_period = WL1271_DEFAULT_DTIM_PERIOD;
 	wl->basic_rate_set = WL1271_DEFAULT_BASIC_RATE_SET;
 	wl->band = IEEE80211_BAND_2GHZ;
+	wl->vif = NULL;
 
 	for (i = 0; i < ACX_TX_DESCRIPTORS; i++)
 		wl->tx_frames[i] = NULL;
-- 
GitLab


From 1922167b9de575d9d1a56be9b80f0fa3b22785f9 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Thu, 8 Oct 2009 21:56:35 +0300
Subject: [PATCH 0458/1815] wl1271: Configure beacon filtering on if PSM used

Enable beacon filtering when PSM is enabled

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_acx.c  | 11 +++++++----
 drivers/net/wireless/wl12xx/wl1271_acx.h  |  7 ++++++-
 drivers/net/wireless/wl12xx/wl1271_init.c |  3 ++-
 drivers/net/wireless/wl12xx/wl1271_main.c |  3 ++-
 drivers/net/wireless/wl12xx/wl1271_ps.c   | 11 +++++++++++
 5 files changed, 28 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.c b/drivers/net/wireless/wl12xx/wl1271_acx.c
index 4b5fd94921c..b9dfa094f04 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.c
@@ -386,7 +386,7 @@ out:
 	return ret;
 }
 
-int wl1271_acx_beacon_filter_opt(struct wl1271 *wl)
+int wl1271_acx_beacon_filter_opt(struct wl1271 *wl, bool enable_filter)
 {
 	struct acx_beacon_filter_option *beacon_filter;
 	int ret;
@@ -399,7 +399,7 @@ int wl1271_acx_beacon_filter_opt(struct wl1271 *wl)
 		goto out;
 	}
 
-	beacon_filter->enable = 0;
+	beacon_filter->enable = enable_filter;
 	beacon_filter->max_num_beacons = 0;
 
 	ret = wl1271_cmd_configure(wl, ACX_BEACON_FILTER_OPT,
@@ -417,6 +417,7 @@ out:
 int wl1271_acx_beacon_filter_table(struct wl1271 *wl)
 {
 	struct acx_beacon_filter_ie_table *ie_table;
+	int idx = 0;
 	int ret;
 
 	wl1271_debug(DEBUG_ACX, "acx beacon filter table");
@@ -427,8 +428,10 @@ int wl1271_acx_beacon_filter_table(struct wl1271 *wl)
 		goto out;
 	}
 
-	ie_table->num_ie = 0;
-	memset(ie_table->table, 0, BEACON_FILTER_TABLE_MAX_SIZE);
+	/* configure default beacon pass-through rules */
+	ie_table->num_ie = 1;
+	ie_table->table[idx++] = BEACON_FILTER_IE_ID_CHANNEL_SWITCH_ANN;
+	ie_table->table[idx++] = BEACON_RULE_PASS_ON_APPEARANCE;
 
 	ret = wl1271_cmd_configure(wl, ACX_BEACON_FILTER_TABLE,
 				   ie_table, sizeof(*ie_table));
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.h b/drivers/net/wireless/wl12xx/wl1271_acx.h
index bb21bcbe163..0c2a1073449 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.h
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.h
@@ -398,6 +398,11 @@ struct acx_beacon_filter_option {
 			   (BEACON_FILTER_TABLE_MAX_VENDOR_SPECIFIC_IE_NUM * \
 			    BEACON_FILTER_TABLE_EXTRA_VENDOR_SPECIFIC_IE_SIZE))
 
+#define BEACON_RULE_PASS_ON_CHANGE                     BIT(0)
+#define BEACON_RULE_PASS_ON_APPEARANCE                 BIT(1)
+
+#define BEACON_FILTER_IE_ID_CHANNEL_SWITCH_ANN         (37)
+
 struct acx_beacon_filter_ie_table {
 	struct acx_header header;
 
@@ -1206,7 +1211,7 @@ int wl1271_acx_group_address_tbl(struct wl1271 *wl, bool enable,
 				 void *mc_list, u32 mc_list_len);
 int wl1271_acx_service_period_timeout(struct wl1271 *wl);
 int wl1271_acx_rts_threshold(struct wl1271 *wl, u16 rts_threshold);
-int wl1271_acx_beacon_filter_opt(struct wl1271 *wl);
+int wl1271_acx_beacon_filter_opt(struct wl1271 *wl, bool enable_filter);
 int wl1271_acx_beacon_filter_table(struct wl1271 *wl);
 int wl1271_acx_conn_monit_params(struct wl1271 *wl);
 int wl1271_acx_sg_enable(struct wl1271 *wl);
diff --git a/drivers/net/wireless/wl12xx/wl1271_init.c b/drivers/net/wireless/wl12xx/wl1271_init.c
index d3db3fba41d..bf4d0e18fb8 100644
--- a/drivers/net/wireless/wl12xx/wl1271_init.c
+++ b/drivers/net/wireless/wl12xx/wl1271_init.c
@@ -136,7 +136,8 @@ static int wl1271_init_beacon_filter(struct wl1271 *wl)
 {
 	int ret;
 
-	ret = wl1271_acx_beacon_filter_opt(wl);
+	/* disable beacon filtering at this stage */
+	ret = wl1271_acx_beacon_filter_opt(wl, false);
 	if (ret < 0)
 		return ret;
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index e6f9e9b5703..3662715c031 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -1319,7 +1319,8 @@ static int wl1271_init_ieee80211(struct wl1271 *wl)
 	wl->hw->channel_change_time = 10000;
 
 	wl->hw->flags = IEEE80211_HW_SIGNAL_DBM |
-		IEEE80211_HW_NOISE_DBM;
+		IEEE80211_HW_NOISE_DBM |
+		IEEE80211_HW_BEACON_FILTER;
 
 	wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
 	wl->hw->wiphy->max_scan_ssids = 1;
diff --git a/drivers/net/wireless/wl12xx/wl1271_ps.c b/drivers/net/wireless/wl12xx/wl1271_ps.c
index 0f6ea16cae8..5580e53d103 100644
--- a/drivers/net/wireless/wl12xx/wl1271_ps.c
+++ b/drivers/net/wireless/wl12xx/wl1271_ps.c
@@ -129,6 +129,12 @@ int wl1271_ps_set_mode(struct wl1271 *wl, enum wl1271_cmd_ps_mode mode)
 	switch (mode) {
 	case STATION_POWER_SAVE_MODE:
 		wl1271_debug(DEBUG_PSM, "entering psm");
+
+		/* enable beacon filtering */
+		ret = wl1271_acx_beacon_filter_opt(wl, true);
+		if (ret < 0)
+			return ret;
+
 		ret = wl1271_cmd_ps_mode(wl, STATION_POWER_SAVE_MODE);
 		if (ret < 0)
 			return ret;
@@ -146,6 +152,11 @@ int wl1271_ps_set_mode(struct wl1271 *wl, enum wl1271_cmd_ps_mode mode)
 		if (ret < 0)
 			return ret;
 
+		/* disable beacon filtering */
+		ret = wl1271_acx_beacon_filter_opt(wl, false);
+		if (ret < 0)
+			return ret;
+
 		ret = wl1271_cmd_ps_mode(wl, STATION_ACTIVE_MODE);
 		if (ret < 0)
 			return ret;
-- 
GitLab


From be823e5b2d71d367b5e27496e2b19d453e21936e Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Thu, 8 Oct 2009 21:56:36 +0300
Subject: [PATCH 0459/1815] wl1271: Mask unneeded events from firmware to
 conserve power

Currently several events are enabled from the firmware for which there
is no handling. This wakes up the host unnecessarily. Mask those
unneeded events.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_boot.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.c b/drivers/net/wireless/wl12xx/wl1271_boot.c
index 7640313c45c..140e94348bc 100644
--- a/drivers/net/wireless/wl12xx/wl1271_boot.c
+++ b/drivers/net/wireless/wl12xx/wl1271_boot.c
@@ -390,8 +390,9 @@ static int wl1271_boot_run_firmware(struct wl1271 *wl)
 	/* enable gpio interrupts */
 	wl1271_boot_enable_interrupts(wl);
 
-	/* unmask all mbox events  */
-	wl->event_mask = 0xffffffff;
+	/* unmask required mbox events  */
+	wl->event_mask = BSS_LOSE_EVENT_ID |
+		SCAN_COMPLETE_EVENT_ID;
 
 	ret = wl1271_event_unmask(wl);
 	if (ret < 0) {
-- 
GitLab


From c0bbd57679efc2350703a1c0f3fc624cbcaba55f Mon Sep 17 00:00:00 2001
From: Amitkumar Karwar <akarwar@marvell.com>
Date: Thu, 8 Oct 2009 19:38:45 -0700
Subject: [PATCH 0460/1815] libertas: Check return status of command functions

Return status of lbs_prepare_and_send_command and lbs_cmd_with_response
functions is not checked at some places. Those checks are added.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/debugfs.c | 27 ++++++++++++++++---------
 drivers/net/wireless/libertas/main.c    |  2 ++
 drivers/net/wireless/libertas/scan.c    | 11 ++++++----
 drivers/net/wireless/libertas/wext.c    | 10 ++++++---
 4 files changed, 34 insertions(+), 16 deletions(-)

diff --git a/drivers/net/wireless/libertas/debugfs.c b/drivers/net/wireless/libertas/debugfs.c
index 893a55ca344..587b0cb0088 100644
--- a/drivers/net/wireless/libertas/debugfs.c
+++ b/drivers/net/wireless/libertas/debugfs.c
@@ -451,10 +451,12 @@ static ssize_t lbs_rdmac_read(struct file *file, char __user *userbuf,
 				CMD_MAC_REG_ACCESS, 0,
 				CMD_OPTION_WAITFORRSP, 0, &offval);
 	mdelay(10);
-	pos += snprintf(buf+pos, len-pos, "MAC[0x%x] = 0x%08x\n",
+	if (!ret) {
+		pos += snprintf(buf+pos, len-pos, "MAC[0x%x] = 0x%08x\n",
 				priv->mac_offset, priv->offsetvalue.value);
 
-	ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+		ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+	}
 	free_page(addr);
 	return ret;
 }
@@ -514,7 +516,8 @@ static ssize_t lbs_wrmac_write(struct file *file,
 				CMD_OPTION_WAITFORRSP, 0, &offval);
 	mdelay(10);
 
-	res = count;
+	if (!res)
+		res = count;
 out_unlock:
 	free_page(addr);
 	return res;
@@ -539,10 +542,12 @@ static ssize_t lbs_rdbbp_read(struct file *file, char __user *userbuf,
 				CMD_BBP_REG_ACCESS, 0,
 				CMD_OPTION_WAITFORRSP, 0, &offval);
 	mdelay(10);
-	pos += snprintf(buf+pos, len-pos, "BBP[0x%x] = 0x%08x\n",
+	if (!ret) {
+		pos += snprintf(buf+pos, len-pos, "BBP[0x%x] = 0x%08x\n",
 				priv->bbp_offset, priv->offsetvalue.value);
 
-	ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+		ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+	}
 	free_page(addr);
 
 	return ret;
@@ -603,7 +608,8 @@ static ssize_t lbs_wrbbp_write(struct file *file,
 				CMD_OPTION_WAITFORRSP, 0, &offval);
 	mdelay(10);
 
-	res = count;
+	if (!res)
+		res = count;
 out_unlock:
 	free_page(addr);
 	return res;
@@ -628,10 +634,12 @@ static ssize_t lbs_rdrf_read(struct file *file, char __user *userbuf,
 				CMD_RF_REG_ACCESS, 0,
 				CMD_OPTION_WAITFORRSP, 0, &offval);
 	mdelay(10);
-	pos += snprintf(buf+pos, len-pos, "RF[0x%x] = 0x%08x\n",
+	if (!ret) {
+		pos += snprintf(buf+pos, len-pos, "RF[0x%x] = 0x%08x\n",
 				priv->rf_offset, priv->offsetvalue.value);
 
-	ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+		ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+	}
 	free_page(addr);
 
 	return ret;
@@ -692,7 +700,8 @@ static ssize_t lbs_wrrf_write(struct file *file,
 				CMD_OPTION_WAITFORRSP, 0, &offval);
 	mdelay(10);
 
-	res = count;
+	if (!res)
+		res = count;
 out_unlock:
 	free_page(addr);
 	return res;
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index 87bfd17b9c8..b7363236cc5 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -1089,6 +1089,8 @@ static void auto_deepsleep_timer_fn(unsigned long data)
 			ret = lbs_prepare_and_send_command(priv,
 					CMD_802_11_DEEP_SLEEP, 0,
 					0, 0, NULL);
+			if (ret)
+				lbs_pr_err("Enter Deep Sleep command failed\n");
 		}
 	}
 	mod_timer(&priv->auto_deepsleep_timer , jiffies +
diff --git a/drivers/net/wireless/libertas/scan.c b/drivers/net/wireless/libertas/scan.c
index 6c95af3023c..d8fc2b8b302 100644
--- a/drivers/net/wireless/libertas/scan.c
+++ b/drivers/net/wireless/libertas/scan.c
@@ -1022,9 +1022,12 @@ int lbs_get_scan(struct net_device *dev, struct iw_request_info *info,
 		return -EAGAIN;
 
 	/* Update RSSI if current BSS is a locally created ad-hoc BSS */
-	if ((priv->mode == IW_MODE_ADHOC) && priv->adhoccreate)
-		lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
-					     CMD_OPTION_WAITFORRSP, 0, NULL);
+	if ((priv->mode == IW_MODE_ADHOC) && priv->adhoccreate) {
+		err = lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
+				CMD_OPTION_WAITFORRSP, 0, NULL);
+		if (err)
+			goto out;
+	}
 
 	mutex_lock(&priv->lock);
 	list_for_each_entry_safe (iter_bss, safe, &priv->network_list, list) {
@@ -1058,7 +1061,7 @@ int lbs_get_scan(struct net_device *dev, struct iw_request_info *info,
 
 	dwrq->length = (ev - extra);
 	dwrq->flags = 0;
-
+out:
 	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", err);
 	return err;
 }
diff --git a/drivers/net/wireless/libertas/wext.c b/drivers/net/wireless/libertas/wext.c
index 69dd19bf955..4594841cd4a 100644
--- a/drivers/net/wireless/libertas/wext.c
+++ b/drivers/net/wireless/libertas/wext.c
@@ -832,7 +832,7 @@ static struct iw_statistics *lbs_get_wireless_stats(struct net_device *dev)
 	u32 rssi_qual;
 	u32 tx_qual;
 	u32 quality = 0;
-	int stats_valid = 0;
+	int ret, stats_valid = 0;
 	u8 rssi;
 	u32 tx_retries;
 	struct cmd_ds_802_11_get_log log;
@@ -881,7 +881,9 @@ static struct iw_statistics *lbs_get_wireless_stats(struct net_device *dev)
 
 	memset(&log, 0, sizeof(log));
 	log.hdr.size = cpu_to_le16(sizeof(log));
-	lbs_cmd_with_response(priv, CMD_802_11_GET_LOG, &log);
+	ret = lbs_cmd_with_response(priv, CMD_802_11_GET_LOG, &log);
+	if (ret)
+		goto out;
 
 	tx_retries = le32_to_cpu(log.retry);
 
@@ -909,8 +911,10 @@ static struct iw_statistics *lbs_get_wireless_stats(struct net_device *dev)
 	stats_valid = 1;
 
 	/* update stats asynchronously for future calls */
-	lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
+	ret = lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
 					0, 0, NULL);
+	if (ret)
+		lbs_pr_err("RSSI command failed\n");
 out:
 	if (!stats_valid) {
 		priv->wstats.miss.beacon = 0;
-- 
GitLab


From 332c556633b8c5fb4e890b1783122f2315526590 Mon Sep 17 00:00:00 2001
From: Sujith <Sujith.Manoharan@atheros.com>
Date: Fri, 9 Oct 2009 09:51:28 +0530
Subject: [PATCH 0461/1815] ath9k: Fix TX hang poll routine

When TX is hung, the chip is reset. Ensure that
the chip is awake by using the PS wrappers.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/xmit.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index a8620b1d091..2a4efcbced6 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -2079,7 +2079,9 @@ static void ath_tx_complete_poll_work(struct work_struct *work)
 	if (needreset) {
 		ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_RESET,
 			  "tx hung, resetting the chip\n");
+		ath9k_ps_wakeup(sc);
 		ath_reset(sc, false);
+		ath9k_ps_restore(sc);
 	}
 
 	ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work,
-- 
GitLab


From 899110fe4e1b26f7a13e639c57e2a047d21bffa2 Mon Sep 17 00:00:00 2001
From: Michael Buesch <mb@bu3sch.de>
Date: Fri, 9 Oct 2009 20:30:10 +0200
Subject: [PATCH 0462/1815] b43/legacy: Fix usage of host_pci pointer

We must check the bustype before using the host_pci pointer.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/b43/main.c       | 4 ++--
 drivers/net/wireless/b43legacy/main.c | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index df6b26a0c05..751017b4c3d 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -4671,7 +4671,7 @@ static int b43_wireless_core_attach(struct b43_wldev *dev)
 {
 	struct b43_wl *wl = dev->wl;
 	struct ssb_bus *bus = dev->dev->bus;
-	struct pci_dev *pdev = bus->host_pci;
+	struct pci_dev *pdev = (bus->bustype == SSB_BUSTYPE_PCI) ? bus->host_pci : NULL;
 	int err;
 	bool have_2ghz_phy = 0, have_5ghz_phy = 0;
 	u32 tmp;
@@ -4804,7 +4804,7 @@ static int b43_one_core_attach(struct ssb_device *dev, struct b43_wl *wl)
 
 	if (!list_empty(&wl->devlist)) {
 		/* We are not the first core on this chip. */
-		pdev = dev->bus->host_pci;
+		pdev = (dev->bus->bustype == SSB_BUSTYPE_PCI) ? dev->bus->host_pci : NULL;
 		/* Only special chips support more than one wireless
 		 * core, although some of the other chips have more than
 		 * one wireless core as well. Check for this and
diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c
index 1d9223b3d4c..0983406f463 100644
--- a/drivers/net/wireless/b43legacy/main.c
+++ b/drivers/net/wireless/b43legacy/main.c
@@ -3592,7 +3592,7 @@ static int b43legacy_wireless_core_attach(struct b43legacy_wldev *dev)
 {
 	struct b43legacy_wl *wl = dev->wl;
 	struct ssb_bus *bus = dev->dev->bus;
-	struct pci_dev *pdev = bus->host_pci;
+	struct pci_dev *pdev = (bus->bustype == SSB_BUSTYPE_PCI) ? bus->host_pci : NULL;
 	int err;
 	int have_bphy = 0;
 	int have_gphy = 0;
@@ -3706,7 +3706,7 @@ static int b43legacy_one_core_attach(struct ssb_device *dev,
 
 	if (!list_empty(&wl->devlist)) {
 		/* We are not the first core on this chip. */
-		pdev = dev->bus->host_pci;
+		pdev = (dev->bus->bustype == SSB_BUSTYPE_PCI) ? dev->bus->host_pci : NULL;
 		/* Only special chips support more than one wireless
 		 * core, although some of the other chips have more than
 		 * one wireless core as well. Check for this and
-- 
GitLab


From 8b45499ccb8a93cd68b1a8766786c2f8ea991ae2 Mon Sep 17 00:00:00 2001
From: Michael Buesch <mb@bu3sch.de>
Date: Fri, 9 Oct 2009 20:32:10 +0200
Subject: [PATCH 0463/1815] ssb: Put host pointers into a union

This slightly shrinks the structure.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/ssb/driver_pcicore.c |  4 ++--
 include/linux/ssb/ssb.h      | 20 ++++++++++++--------
 2 files changed, 14 insertions(+), 10 deletions(-)

diff --git a/drivers/ssb/driver_pcicore.c b/drivers/ssb/driver_pcicore.c
index 538c570df33..f1dcd7969a5 100644
--- a/drivers/ssb/driver_pcicore.c
+++ b/drivers/ssb/driver_pcicore.c
@@ -551,13 +551,13 @@ int ssb_pcicore_dev_irqvecs_enable(struct ssb_pcicore *pc,
 	might_sleep_if(pdev->id.coreid != SSB_DEV_PCI);
 
 	/* Enable interrupts for this device. */
-	if (bus->host_pci &&
-	    ((pdev->id.revision >= 6) || (pdev->id.coreid == SSB_DEV_PCIE))) {
+	if ((pdev->id.revision >= 6) || (pdev->id.coreid == SSB_DEV_PCIE)) {
 		u32 coremask;
 
 		/* Calculate the "coremask" for the device. */
 		coremask = (1 << dev->core_index);
 
+		SSB_WARN_ON(bus->bustype != SSB_BUSTYPE_PCI);
 		err = pci_read_config_dword(bus->host_pci, SSB_PCI_IRQMASK, &tmp);
 		if (err)
 			goto out;
diff --git a/include/linux/ssb/ssb.h b/include/linux/ssb/ssb.h
index 3d0a9ff24f0..24f98854736 100644
--- a/include/linux/ssb/ssb.h
+++ b/include/linux/ssb/ssb.h
@@ -269,7 +269,8 @@ struct ssb_bus {
 
 	const struct ssb_bus_ops *ops;
 
-	/* The core in the basic address register window. (PCI bus only) */
+	/* The core currently mapped into the MMIO window.
+	 * Not valid on all host-buses. So don't use outside of SSB. */
 	struct ssb_device *mapped_device;
 	union {
 		/* Currently mapped PCMCIA segment. (bustype == SSB_BUSTYPE_PCMCIA only) */
@@ -281,14 +282,17 @@ struct ssb_bus {
 	 * On PCMCIA-host busses this is used to protect the whole MMIO access. */
 	spinlock_t bar_lock;
 
-	/* The bus this backplane is running on. */
+	/* The host-bus this backplane is running on. */
 	enum ssb_bustype bustype;
-	/* Pointer to the PCI bus (only valid if bustype == SSB_BUSTYPE_PCI). */
-	struct pci_dev *host_pci;
-	/* Pointer to the PCMCIA device (only if bustype == SSB_BUSTYPE_PCMCIA). */
-	struct pcmcia_device *host_pcmcia;
-	/* Pointer to the SDIO device (only if bustype == SSB_BUSTYPE_SDIO). */
-	struct sdio_func *host_sdio;
+	/* Pointers to the host-bus. Check bustype before using any of these pointers. */
+	union {
+		/* Pointer to the PCI bus (only valid if bustype == SSB_BUSTYPE_PCI). */
+		struct pci_dev *host_pci;
+		/* Pointer to the PCMCIA device (only if bustype == SSB_BUSTYPE_PCMCIA). */
+		struct pcmcia_device *host_pcmcia;
+		/* Pointer to the SDIO device (only if bustype == SSB_BUSTYPE_SDIO). */
+		struct sdio_func *host_sdio;
+	};
 
 	/* See enum ssb_quirks */
 	unsigned int quirks;
-- 
GitLab


From c32bec78e1af751a279ec1614eadd36aab532e56 Mon Sep 17 00:00:00 2001
From: Michael Buesch <mb@bu3sch.de>
Date: Fri, 9 Oct 2009 20:48:16 +0200
Subject: [PATCH 0464/1815] b43: Remove me as maintainer

Remove me

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 MAINTAINERS | 1 -
 1 file changed, 1 deletion(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index ca4131ea5f7..950bd329431 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1086,7 +1086,6 @@ F:	include/net/ax25.h
 F:	net/ax25/
 
 B43 WIRELESS DRIVER
-M:	Michael Buesch <mb@bu3sch.de>
 M:	Stefano Brivio <stefano.brivio@polimi.it>
 L:	linux-wireless@vger.kernel.org
 W:	http://linuxwireless.org/en/users/Drivers/b43
-- 
GitLab


From 40b93ad6e97a1d412c4b86f4717fee9b4bc830e1 Mon Sep 17 00:00:00 2001
From: matthieu castet <castet.matthieu@free.fr>
Date: Fri, 9 Oct 2009 22:12:25 +0200
Subject: [PATCH 0465/1815] airo : allow supend with card without power
 management

Some airo card don't support power Management [1].
Don't abort suspend with those cards.

00:06.0 Network controller: AIRONET Wireless Communications PC4800 (rev 01)
        Flags: medium devsel, IRQ 17
        Memory at dffffe00 (32-bit, non-prefetchable) [size=128]
        I/O ports at d000 [size=128]
        I/O ports at cc00 [size=64]
        Kernel driver in use: airo

Signed-off-by: Matthieu CASTET <castet.matthieu@free.fr>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/airo.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
index 7116a1aa20c..e265ba14054 100644
--- a/drivers/net/wireless/airo.c
+++ b/drivers/net/wireless/airo.c
@@ -5660,7 +5660,8 @@ static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 
 	pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
 	pci_save_state(pdev);
-	return pci_set_power_state(pdev, pci_choose_state(pdev, state));
+	pci_set_power_state(pdev, pci_choose_state(pdev, state));
+	return 0;
 }
 
 static int airo_pci_resume(struct pci_dev *pdev)
-- 
GitLab


From f33269b8968d1c64772a9221e2c9c42d07a9b5ae Mon Sep 17 00:00:00 2001
From: Ben Cahill <ben.m.cahill@intel.com>
Date: Fri, 9 Oct 2009 13:20:19 -0700
Subject: [PATCH 0466/1815] iwl3945: update iwl3945_apm_init()

Update iwl3945_apm_init() to set up device registers in sequence most recently
recommended by factory.

Add resets for APMG interrupts and radio chip, formerly done only in
iwl3945_apm_reset(); moving them here assures that apm_init() will do
a complete job of preparing hardware not only after platform boot,
but also after apm_stop() has executed (due to rfkill, ifconfig down,
driver unload, etc.).  This is in preparation to completely remove apm_reset().

Add some comments.

Signed-off-by: Ben Cahill <ben.m.cahill@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-3945.c | 42 +++++++++++++++++++++----
 1 file changed, 36 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 4115672e233..89f82396a13 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -982,23 +982,45 @@ static int iwl3945_txq_ctx_reset(struct iwl_priv *priv)
 	return rc;
 }
 
+/*
+ * Start up NIC's basic functionality after it has been reset
+ * (e.g. after platform boot, or shutdown via iwl3945_apm_stop())
+ * NOTE:  This does not load uCode nor start the embedded processor
+ */
 static int iwl3945_apm_init(struct iwl_priv *priv)
 {
 	int ret;
 
 	iwl_power_initialize(priv);
 
+	/* Configure chip clock phase-lock-loop */
+	iwl_set_bit(priv, CSR_ANA_PLL_CFG, CSR39_ANA_PLL_CFG_VAL);
+
+	/*
+	 * Disable L0S exit timer (platform NMI Work/Around)
+	 * (does this do anything on 3945, or just 4965 and beyond?)
+	 */
 	iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS,
 			  CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER);
 
-	/* disable L0s without affecting L1 :don't wait for ICH L0s bug W/A) */
+	/* Disable L0s without affecting L1; don't wait for ICH (L0s bug W/A) */
 	iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS,
 			  CSR_GIO_CHICKEN_BITS_REG_BIT_L1A_NO_L0S_RX);
 
-	/* set "initialization complete" bit to move adapter
-	* D0U* --> D0A* state */
+	/* Set FH wait threshold to maximum (HW error during stress W/A) */
+	iwl_set_bit(priv, CSR_DBG_HPET_MEM_REG, CSR_DBG_HPET_MEM_REG_VAL);
+
+	/*
+	 * Set "initialization complete" bit to move adapter from
+	 * D0U* --> D0A* (powered-up active) state.
+	 */
 	iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
 
+	/*
+	 * Wait for clock stabilization; once stabilized, access to
+	 * device-internal resources is supported, e.g. iwl_write_prph()
+	 * and accesses to uCode SRAM.
+	 */
 	ret = iwl_poll_bit(priv, CSR_GP_CNTRL,
 			CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
 			CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
@@ -1007,13 +1029,21 @@ static int iwl3945_apm_init(struct iwl_priv *priv)
 		goto out;
 	}
 
-	/* enable DMA */
+	/* Enable DMA and BSM clocks, wait for them to stabilize */
 	iwl_write_prph(priv, APMG_CLK_CTRL_REG, APMG_CLK_VAL_DMA_CLK_RQT |
 						APMG_CLK_VAL_BSM_CLK_RQT);
-
 	udelay(20);
 
-	/* disable L1-Active */
+	/* Clear APMG (NIC's internal power management) interrupts */
+	iwl_write_prph(priv, APMG_RTC_INT_MSK_REG, 0x0);
+	iwl_write_prph(priv, APMG_RTC_INT_STT_REG, 0xFFFFFFFF);
+
+	/* Reset radio chip */
+	iwl_set_bits_prph(priv, APMG_PS_CTRL_REG, APMG_PS_CTRL_VAL_RESET_REQ);
+	udelay(5);
+	iwl_clear_bits_prph(priv, APMG_PS_CTRL_REG, APMG_PS_CTRL_VAL_RESET_REQ);
+
+	/* Disable L1-Active */
 	iwl_set_bits_prph(priv, APMG_PCIDEV_STT_REG,
 			  APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
 
-- 
GitLab


From 4d2ccdb94847248a4075414169108d8f929c153c Mon Sep 17 00:00:00 2001
From: Ben Cahill <ben.m.cahill@intel.com>
Date: Fri, 9 Oct 2009 13:20:20 -0700
Subject: [PATCH 0467/1815] iwlwifi: turn off device when not used.

In some cases (e.g. when mac80211 calls iwl_mac_stop() for suspend or user
no longer wants device active), device has not been going into low power state
via __iwl_down().  apm_ops.reset() does not put device into low power state;
instead it resets the device, then puts it into a powered-up state ready to be
re-loaded with uCode and re-started.  This has needlessly warmed up user's
laptops and drained batteries.

With current architecture in which mac80211 controls device up/down (including
resetting device after firmware errors), there is no need for apm_ops.reset()
any more; apm_ops.reset() is basically a combination of apm_ops.stop() and
apm_ops.init().

Instead, __iwl_down() now unconditionally places the device into a low-power
state via apm_ops.stop(). Device may be re-started via __iwl_up() calling
apm_ops.init() as soon as it may be needed (e.g. quickly for firmware errors),
but in the meantime, device will stop wasting energy.

Note that, even in this low power state, if driver re-enables interrupts,
the device retains the ability to sense the hardware RF-KILL switch, and
(except for 3945) interrupt the host when it changes.

Signed-off-by: Ben Cahill <ben.m.cahill@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn.c      | 8 +++-----
 drivers/net/wireless/iwlwifi/iwl3945-base.c | 6 ++----
 2 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 8d7bc38fe00..0878b34ee58 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1899,11 +1899,9 @@ static void __iwl_down(struct iwl_priv *priv)
 
 	udelay(5);
 
-	/* FIXME: apm_ops.suspend(priv) */
-	if (exit_pending)
-		priv->cfg->ops->lib->apm_ops.stop(priv);
-	else
-		priv->cfg->ops->lib->apm_ops.reset(priv);
+	/* Stop the device, and put it in low power state */
+	priv->cfg->ops->lib->apm_ops.stop(priv);
+
  exit:
 	memset(&priv->card_alive, 0, sizeof(struct iwl_alive_resp));
 
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index c347d6631d8..adf4ebe6bb7 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -2576,10 +2576,8 @@ static void __iwl3945_down(struct iwl_priv *priv)
 
 	udelay(5);
 
-	if (exit_pending)
-		priv->cfg->ops->lib->apm_ops.stop(priv);
-	else
-		priv->cfg->ops->lib->apm_ops.reset(priv);
+	/* Stop the device, and put it in low power state */
+	priv->cfg->ops->lib->apm_ops.stop(priv);
 
  exit:
 	memset(&priv->card_alive, 0, sizeof(struct iwl_alive_resp));
-- 
GitLab


From 278d84051d1944080d4cfdba205af5f5ce4f4064 Mon Sep 17 00:00:00 2001
From: Ben Cahill <ben.m.cahill@intel.com>
Date: Fri, 9 Oct 2009 13:20:21 -0700
Subject: [PATCH 0468/1815] iwl3945: remove unnecessary call to apm_ops.reset()

Now that we're unconditionally using apm_ops.stop() to reset and power-down
the device in __iwl3945_down(), the apm_ops.reset() is redundant.  Removing
this call will also allow us to remove iwl3945_apm_reset().

Remove unneeded iwl_clear_bit(CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ) because
this bit will be set again very soon in iwl3945_hw_txq_ctx_stop() and other
following calls.

Signed-off-by: Ben Cahill <ben.m.cahill@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl3945-base.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index adf4ebe6bb7..ab4c4bae760 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -2563,11 +2563,6 @@ static void __iwl3945_down(struct iwl_priv *priv)
 			test_bit(STATUS_EXIT_PENDING, &priv->status) <<
 				STATUS_EXIT_PENDING;
 
-	priv->cfg->ops->lib->apm_ops.reset(priv);
-	spin_lock_irqsave(&priv->lock, flags);
-	iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
-	spin_unlock_irqrestore(&priv->lock, flags);
-
 	iwl3945_hw_txq_ctx_stop(priv);
 	iwl3945_hw_rxq_stop(priv);
 
-- 
GitLab


From b660d3adb8dd4ead54744c9269bae9338163020a Mon Sep 17 00:00:00 2001
From: Ben Cahill <ben.m.cahill@intel.com>
Date: Fri, 9 Oct 2009 13:20:22 -0700
Subject: [PATCH 0469/1815] iwlagn, iwl3945: remove apm_reset() functions

Clean up device-specific apm_reset() functions and library infrastructure,
now that these reset() functions are no longer being used.

Signed-off-by: Ben Cahill <ben.m.cahill@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-1000.c |  1 -
 drivers/net/wireless/iwlwifi/iwl-3945.c | 42 -----------------------
 drivers/net/wireless/iwlwifi/iwl-4965.c | 41 ----------------------
 drivers/net/wireless/iwlwifi/iwl-5000.c | 45 -------------------------
 drivers/net/wireless/iwlwifi/iwl-6000.c |  1 -
 drivers/net/wireless/iwlwifi/iwl-core.h |  1 -
 drivers/net/wireless/iwlwifi/iwl-dev.h  |  1 -
 7 files changed, 132 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c
index 679a67ff76e..1fc38142a49 100644
--- a/drivers/net/wireless/iwlwifi/iwl-1000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-1000.c
@@ -111,7 +111,6 @@ static struct iwl_lib_ops iwl1000_lib = {
 	.update_chain_flags = iwl_update_chain_flags,
 	.apm_ops = {
 		.init =	iwl5000_apm_init,
-		.reset = iwl5000_apm_reset,
 		.stop = iwl_apm_stop,
 		.config = iwl1000_nic_config,
 		.set_pwr_src = iwl_set_pwr_src,
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 89f82396a13..f8ce96c94c6 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -1198,47 +1198,6 @@ void iwl3945_hw_txq_ctx_stop(struct iwl_priv *priv)
 	iwl3945_hw_txq_ctx_free(priv);
 }
 
-static int iwl3945_apm_reset(struct iwl_priv *priv)
-{
-	iwl_apm_stop_master(priv);
-
-
-	iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);
-	udelay(10);
-
-	iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
-
-	iwl_poll_bit(priv, CSR_GP_CNTRL,
-			CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
-			CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
-
-	iwl_write_prph(priv, APMG_CLK_CTRL_REG,
-				APMG_CLK_VAL_BSM_CLK_RQT);
-
-	iwl_write_prph(priv, APMG_RTC_INT_MSK_REG, 0x0);
-	iwl_write_prph(priv, APMG_RTC_INT_STT_REG,
-					0xFFFFFFFF);
-
-	/* enable DMA */
-	iwl_write_prph(priv, APMG_CLK_EN_REG,
-				APMG_CLK_VAL_DMA_CLK_RQT |
-				APMG_CLK_VAL_BSM_CLK_RQT);
-	udelay(10);
-
-	iwl_set_bits_prph(priv, APMG_PS_CTRL_REG,
-				APMG_PS_CTRL_VAL_RESET_REQ);
-	udelay(5);
-	iwl_clear_bits_prph(priv, APMG_PS_CTRL_REG,
-				APMG_PS_CTRL_VAL_RESET_REQ);
-
-	/* Clear the 'host command active' bit... */
-	clear_bit(STATUS_HCMD_ACTIVE, &priv->status);
-
-	wake_up_interruptible(&priv->wait_command_queue);
-
-	return 0;
-}
-
 /**
  * iwl3945_hw_reg_adjust_power_by_temp
  * return index delta into power gain settings table
@@ -2833,7 +2792,6 @@ static struct iwl_lib_ops iwl3945_lib = {
 	.dump_nic_error_log = iwl3945_dump_nic_error_log,
 	.apm_ops = {
 		.init = iwl3945_apm_init,
-		.reset = iwl3945_apm_reset,
 		.stop = iwl_apm_stop,
 		.config = iwl3945_nic_config,
 		.set_pwr_src = iwl3945_set_pwr_src,
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index f8eed9a4abc..782a36198f3 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -397,46 +397,6 @@ static void iwl4965_nic_config(struct iwl_priv *priv)
 	spin_unlock_irqrestore(&priv->lock, flags);
 }
 
-static int iwl4965_apm_reset(struct iwl_priv *priv)
-{
-	int ret = 0;
-
-	iwl_apm_stop_master(priv);
-
-
-	iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);
-
-	udelay(10);
-
-	/* FIXME: put here L1A -L0S w/a */
-
-	iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
-
-	ret = iwl_poll_bit(priv, CSR_GP_CNTRL,
-			CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
-			CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
-	if (ret < 0)
-		goto out;
-
-	udelay(10);
-
-	/* Enable DMA and BSM Clock */
-	iwl_write_prph(priv, APMG_CLK_EN_REG, APMG_CLK_VAL_DMA_CLK_RQT |
-					      APMG_CLK_VAL_BSM_CLK_RQT);
-
-	udelay(10);
-
-	/* disable L1A */
-	iwl_set_bits_prph(priv, APMG_PCIDEV_STT_REG,
-			  APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
-
-	clear_bit(STATUS_HCMD_ACTIVE, &priv->status);
-	wake_up_interruptible(&priv->wait_command_queue);
-
-out:
-	return ret;
-}
-
 /* Reset differential Rx gains in NIC to prepare for chain noise calibration.
  * Called after every association, but this runs only once!
  *  ... once chain noise is calibrated the first time, it's good forever.  */
@@ -2273,7 +2233,6 @@ static struct iwl_lib_ops iwl4965_lib = {
 	.dump_nic_error_log = iwl_dump_nic_error_log,
 	.apm_ops = {
 		.init = iwl4965_apm_init,
-		.reset = iwl4965_apm_reset,
 		.stop = iwl_apm_stop,
 		.config = iwl4965_nic_config,
 		.set_pwr_src = iwl_set_pwr_src,
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 8cc3d50e7f5..33b38aa0d8c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -118,49 +118,6 @@ int iwl5000_apm_init(struct iwl_priv *priv)
 	return ret;
 }
 
-int iwl5000_apm_reset(struct iwl_priv *priv)
-{
-	int ret = 0;
-
-	iwl_apm_stop_master(priv);
-
-	iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);
-
-	udelay(10);
-
-
-	/* FIXME: put here L1A -L0S w/a */
-
-	if (priv->cfg->need_pll_cfg)
-		iwl_set_bit(priv, CSR_ANA_PLL_CFG, CSR50_ANA_PLL_CFG_VAL);
-
-	/* set "initialization complete" bit to move adapter
-	 * D0U* --> D0A* state */
-	iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
-
-	/* wait for clock stabilization */
-	ret = iwl_poll_bit(priv, CSR_GP_CNTRL,
-			CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
-			CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
-	if (ret < 0) {
-		IWL_DEBUG_INFO(priv, "Failed to init the card\n");
-		goto out;
-	}
-
-	/* enable DMA */
-	iwl_write_prph(priv, APMG_CLK_EN_REG, APMG_CLK_VAL_DMA_CLK_RQT);
-
-	udelay(20);
-
-	/* disable L1-Active */
-	iwl_set_bits_prph(priv, APMG_PCIDEV_STT_REG,
-			  APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
-out:
-
-	return ret;
-}
-
-
 /* NIC configuration for 5000 series */
 void iwl5000_nic_config(struct iwl_priv *priv)
 {
@@ -1522,7 +1479,6 @@ struct iwl_lib_ops iwl5000_lib = {
 	.update_chain_flags = iwl_update_chain_flags,
 	.apm_ops = {
 		.init =	iwl5000_apm_init,
-		.reset = iwl5000_apm_reset,
 		.stop = iwl_apm_stop,
 		.config = iwl5000_nic_config,
 		.set_pwr_src = iwl_set_pwr_src,
@@ -1574,7 +1530,6 @@ static struct iwl_lib_ops iwl5150_lib = {
 	.update_chain_flags = iwl_update_chain_flags,
 	.apm_ops = {
 		.init =	iwl5000_apm_init,
-		.reset = iwl5000_apm_reset,
 		.stop = iwl_apm_stop,
 		.config = iwl5000_nic_config,
 		.set_pwr_src = iwl_set_pwr_src,
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index d1f0b0b4ad0..46af74b86a8 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -192,7 +192,6 @@ static struct iwl_lib_ops iwl6000_lib = {
 	.update_chain_flags = iwl_update_chain_flags,
 	.apm_ops = {
 		.init =	iwl5000_apm_init,
-		.reset = iwl5000_apm_reset,
 		.stop = iwl_apm_stop,
 		.config = iwl6000_nic_config,
 		.set_pwr_src = iwl_set_pwr_src,
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 6688b694420..447eb64e1f6 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -109,7 +109,6 @@ struct iwl_hcmd_utils_ops {
 
 struct iwl_apm_ops {
 	int (*init)(struct iwl_priv *priv);
-	int (*reset)(struct iwl_priv *priv);
 	void (*stop)(struct iwl_priv *priv);
 	void (*config)(struct iwl_priv *priv);
 	int (*set_pwr_src)(struct iwl_priv *priv, enum iwl_pwr_src src);
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 72946c144be..9da0b0343b9 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -86,7 +86,6 @@ extern void iwl5000_rts_tx_cmd_flag(struct ieee80211_tx_info *info,
 extern int iwl5000_calc_rssi(struct iwl_priv *priv,
 			     struct iwl_rx_phy_res *rx_resp);
 extern int iwl5000_apm_init(struct iwl_priv *priv);
-extern int iwl5000_apm_reset(struct iwl_priv *priv);
 extern void iwl5000_nic_config(struct iwl_priv *priv);
 extern u16 iwl5000_eeprom_calib_version(struct iwl_priv *priv);
 extern const u8 *iwl5000_eeprom_query_addr(const struct iwl_priv *priv,
-- 
GitLab


From bd35f150823c21000f4c0f029abb258bc1ae3b5f Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 9 Oct 2009 13:20:23 -0700
Subject: [PATCH 0470/1815] iwlwifi: remove duplicated/unused definition

"IWL_CMD_QUEUE_NUM" is being defined in multiple places and used by all
the devices. move it to iwl-dev.h file and shared by all the devices.

Remove "IWL_CMD_FIFO_NUM", replaced by "IWL49_CMD_FIFO_NUM" and IWL50_CMD_FIFO_NUM"

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-3945-hw.h | 6 ------
 drivers/net/wireless/iwlwifi/iwl-4965-hw.h | 3 ---
 drivers/net/wireless/iwlwifi/iwl-dev.h     | 6 ++++++
 3 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-hw.h b/drivers/net/wireless/iwlwifi/iwl-3945-hw.h
index 16772780c5b..ccdac69838d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945-hw.h
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-hw.h
@@ -71,12 +71,6 @@
 
 #include "iwl-eeprom.h"
 
-/*
- * uCode queue management definitions ...
- * Queue #4 is the command queue for 3945 and 4965.
- */
-#define IWL_CMD_QUEUE_NUM	4
-
 /* Time constants */
 #define SHORT_SLOT_TIME 9
 #define LONG_SLOT_TIME 20
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965-hw.h b/drivers/net/wireless/iwlwifi/iwl-4965-hw.h
index b34322a3245..c606366b582 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965-hw.h
+++ b/drivers/net/wireless/iwlwifi/iwl-4965-hw.h
@@ -76,12 +76,9 @@
 
 /*
  * uCode queue management definitions ...
- * Queue #4 is the command queue for 3945 and 4965; map it to Tx FIFO chnl 4.
  * The first queue used for block-ack aggregation is #7 (4965 only).
  * All block-ack aggregation queues should map to Tx DMA/FIFO channel 7.
  */
-#define IWL_CMD_QUEUE_NUM       4
-#define IWL_CMD_FIFO_NUM        4
 #define IWL49_FIRST_AMPDU_QUEUE	7
 
 /* Time constants */
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 9da0b0343b9..394402afaa5 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -323,6 +323,12 @@ struct iwl_channel_info {
  * queue, 2 (unused) HCCA queues, and 4 HT queues (one for each AC) */
 #define IWL_MIN_NUM_QUEUES	10
 
+/*
+ * uCode queue management definitions ...
+ * Queue #4 is the command queue for 3945/4965/5x00/1000/6x00.
+ */
+#define IWL_CMD_QUEUE_NUM	4
+
 /* Power management (not Tx power) structures */
 
 enum iwl_pwr_src {
-- 
GitLab


From 55036d6602679fb88dd7b1c19bb7203a0213b684 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 9 Oct 2009 13:20:24 -0700
Subject: [PATCH 0471/1815] iwlwifi: additional items in sensitivity range
 table

Add more items to sensitivity range table to avoid using hardcoded values.
Initialize the table per device since unique per device information is
required to perform sensitivity calibration.

additional items in sensitivity range table:
   .barker_corr_th_min: Barker correlation threshold minimum
   .barker_corr_th_min_mrc: Barker correlation threshold minimum for MRC
   .nrg_th_cca: Energy threshold for Clear Channel Assessment

Barker codes are a technique used in WLAN encoding for transmission.
MRC is "Maximal Ratio Combining", a technique for optimally combining the
signals from 2 or more receivers to achieve a better signal.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-4965.c     | 4 ++++
 drivers/net/wireless/iwlwifi/iwl-5000.c     | 8 ++++++++
 drivers/net/wireless/iwlwifi/iwl-6000.c     | 4 ++++
 drivers/net/wireless/iwlwifi/iwl-calib.c    | 9 ++++++---
 drivers/net/wireless/iwlwifi/iwl-commands.h | 6 ------
 drivers/net/wireless/iwlwifi/iwl-dev.h      | 8 ++++++++
 6 files changed, 30 insertions(+), 9 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index 782a36198f3..966858587e2 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -678,6 +678,10 @@ static struct iwl_sensitivity_ranges iwl4965_sensitivity = {
 
 	.nrg_th_cck = 100,
 	.nrg_th_ofdm = 100,
+
+	.barker_corr_th_min = 190,
+	.barker_corr_th_min_mrc = 390,
+	.nrg_th_cca = 62,
 };
 
 static void iwl4965_set_ct_threshold(struct iwl_priv *priv)
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 33b38aa0d8c..a9d1aa3ad57 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -329,6 +329,10 @@ static struct iwl_sensitivity_ranges iwl5000_sensitivity = {
 	.auto_corr_max_cck_mrc = 400,
 	.nrg_th_cck = 95,
 	.nrg_th_ofdm = 95,
+
+	.barker_corr_th_min = 190,
+	.barker_corr_th_min_mrc = 390,
+	.nrg_th_cca = 62,
 };
 
 static struct iwl_sensitivity_ranges iwl5150_sensitivity = {
@@ -351,6 +355,10 @@ static struct iwl_sensitivity_ranges iwl5150_sensitivity = {
 	.auto_corr_max_cck_mrc = 400,
 	.nrg_th_cck = 95,
 	.nrg_th_ofdm = 95,
+
+	.barker_corr_th_min = 190,
+	.barker_corr_th_min_mrc = 390,
+	.nrg_th_cca = 62,
 };
 
 const u8 *iwl5000_eeprom_query_addr(const struct iwl_priv *priv,
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index 46af74b86a8..dda1dd6ed40 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -121,6 +121,10 @@ static struct iwl_sensitivity_ranges iwl6000_sensitivity = {
 	.auto_corr_max_cck_mrc = 310,
 	.nrg_th_cck = 97,
 	.nrg_th_ofdm = 100,
+
+	.barker_corr_th_min = 190,
+	.barker_corr_th_min_mrc = 390,
+	.nrg_th_cca = 62,
 };
 
 static int iwl6000_hw_set_hw_params(struct iwl_priv *priv)
diff --git a/drivers/net/wireless/iwlwifi/iwl-calib.c b/drivers/net/wireless/iwlwifi/iwl-calib.c
index 69a80d7c2e4..1f801eb9fbf 100644
--- a/drivers/net/wireless/iwlwifi/iwl-calib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-calib.c
@@ -447,11 +447,11 @@ static int iwl_sensitivity_write(struct iwl_priv *priv)
 				cpu_to_le16((u16)data->nrg_th_ofdm);
 
 	cmd.table[HD_BARKER_CORR_TH_ADD_MIN_INDEX] =
-				cpu_to_le16(190);
+				cpu_to_le16(data->barker_corr_th_min);
 	cmd.table[HD_BARKER_CORR_TH_ADD_MIN_MRC_INDEX] =
-				cpu_to_le16(390);
+				cpu_to_le16(data->barker_corr_th_min_mrc);
 	cmd.table[HD_OFDM_ENERGY_TH_IN_INDEX] =
-				cpu_to_le16(62);
+				cpu_to_le16(data->nrg_th_cca);
 
 	IWL_DEBUG_CALIB(priv, "ofdm: ac %u mrc %u x1 %u mrc_x1 %u thresh %u\n",
 			data->auto_corr_ofdm, data->auto_corr_ofdm_mrc,
@@ -524,6 +524,9 @@ void iwl_init_sensitivity(struct iwl_priv *priv)
 	data->auto_corr_cck_mrc = ranges->auto_corr_min_cck_mrc;
 	data->nrg_th_cck = ranges->nrg_th_cck;
 	data->nrg_th_ofdm = ranges->nrg_th_ofdm;
+	data->barker_corr_th_min = ranges->barker_corr_th_min;
+	data->barker_corr_th_min_mrc = ranges->barker_corr_th_min_mrc;
+	data->nrg_th_cca = ranges->nrg_th_cca;
 
 	data->last_bad_plcp_cnt_ofdm = 0;
 	data->last_fa_cnt_ofdm = 0;
diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index ba3e4c837d8..2e8a55ed7de 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -3247,12 +3247,6 @@ struct iwl_missed_beacon_notif {
  *   Lower values mean higher energy; this means making sure that the value
  *   in HD_MIN_ENERGY_CCK_DET_INDEX is at or *above* "Max cck energy".
  *
- * Driver should set the following entries to fixed values:
- *
- *   HD_MIN_ENERGY_OFDM_DET_INDEX               100
- *   HD_BARKER_CORR_TH_ADD_MIN_INDEX            190
- *   HD_BARKER_CORR_TH_ADD_MIN_MRC_INDEX        390
- *   HD_OFDM_ENERGY_TH_IN_INDEX                  62
  */
 
 /*
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 394402afaa5..c1b07e2045e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -629,6 +629,10 @@ struct iwl_sensitivity_ranges {
 	u16 auto_corr_max_cck_mrc;
 	u16 auto_corr_min_cck;
 	u16 auto_corr_min_cck_mrc;
+
+	u16 barker_corr_th_min;
+	u16 barker_corr_th_min_mrc;
+	u16 nrg_th_cca;
 };
 
 
@@ -850,6 +854,10 @@ struct iwl_sensitivity_data {
 	s32 nrg_auto_corr_silence_diff;
 	u32 num_in_cck_no_fa;
 	u32 nrg_th_ofdm;
+
+	u16 barker_corr_th_min;
+	u16 barker_corr_th_min_mrc;
+	u16 nrg_th_cca;
 };
 
 /* Chain noise (differential Rx gain) calib data */
-- 
GitLab


From 1a34c043802a213e719420ece395cf25c85cc7c5 Mon Sep 17 00:00:00 2001
From: Reinette Chatre <reinette.chatre@intel.com>
Date: Fri, 9 Oct 2009 13:20:25 -0700
Subject: [PATCH 0472/1815] iwlwifi: fix userspace setting of
 sleep_level_override

The sleep_level_override debugfs file is used by the user to request a
static power index instead of the dynamic sleep values. Users are expected
to provide value from 1 to 5 as an index or -1 to disable it.

The problem at the moment is that users can also provide 0 to this file
which, together with the value 1, is translated to index 1. This is
confusing and even more so when users write 0 to sleep_level_override and
then read 1 from it afterwards.

Modify checking to treat 0 as invalid.

Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-debugfs.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index 1794b9c4e6a..aa62357c915 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -801,7 +801,9 @@ static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
 	 * valid here. However, let's not confuse them and present
 	 * IWL_POWER_INDEX_1 as "1", not "0".
 	 */
-	if (value > 0)
+	if (value == 0)
+		return -EINVAL;
+	else if (value > 0)
 		value -= 1;
 
 	if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
-- 
GitLab


From 743cdf1b65656faf1e6f1f74278c52b89a0b7360 Mon Sep 17 00:00:00 2001
From: Ben Cahill <ben.m.cahill@intel.com>
Date: Fri, 9 Oct 2009 13:20:26 -0700
Subject: [PATCH 0473/1815] iwl3945: streamline iwl3945_rfkill_poll()

iwl3945_rfkill_poll() has been silently calling wiphy_rfkill_set_hw_state()
every 2 seconds, regardless of whether hardware RF KILL switch changed state.

Call wiphy_rfkill_set_hw_state() only when RFKILL switch changes.
Add IWL_DEBUG_RF_KILL log message and documentation.

Signed-off-by: Ben Cahill <ben.m.cahill@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl3945-base.c | 27 ++++++++++++++++-----
 1 file changed, 21 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index ab4c4bae760..2406b73e909 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -2717,19 +2717,34 @@ static void iwl3945_bg_alive_start(struct work_struct *data)
 	mutex_unlock(&priv->mutex);
 }
 
+/*
+ * 3945 cannot interrupt driver when hardware rf kill switch toggles;
+ * driver must poll CSR_GP_CNTRL_REG register for change.  This register
+ * *is* readable even when device has been SW_RESET into low power mode
+ * (e.g. during RF KILL).
+ */
 static void iwl3945_rfkill_poll(struct work_struct *data)
 {
 	struct iwl_priv *priv =
 	    container_of(data, struct iwl_priv, rfkill_poll.work);
+	bool old_rfkill = test_bit(STATUS_RF_KILL_HW, &priv->status);
+	bool new_rfkill = !(iwl_read32(priv, CSR_GP_CNTRL)
+			& CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW);
 
-	if (iwl_read32(priv, CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)
-		clear_bit(STATUS_RF_KILL_HW, &priv->status);
-	else
-		set_bit(STATUS_RF_KILL_HW, &priv->status);
+	if (new_rfkill != old_rfkill) {
+		if (new_rfkill)
+			set_bit(STATUS_RF_KILL_HW, &priv->status);
+		else
+			clear_bit(STATUS_RF_KILL_HW, &priv->status);
 
-	wiphy_rfkill_set_hw_state(priv->hw->wiphy,
-			test_bit(STATUS_RF_KILL_HW, &priv->status));
+		wiphy_rfkill_set_hw_state(priv->hw->wiphy, new_rfkill);
+
+		IWL_DEBUG_RF_KILL(priv, "RF_KILL bit toggled to %s.\n",
+				new_rfkill ? "disable radio" : "enable radio");
+	}
 
+	/* Keep this running, even if radio now enabled.  This will be
+	 * cancelled in mac_start() if system decides to start again */
 	queue_delayed_work(priv->workqueue, &priv->rfkill_poll,
 			   round_jiffies_relative(2 * HZ));
 
-- 
GitLab


From 008a9e3e3c37abd7f56d2478fe92d5874de3630a Mon Sep 17 00:00:00 2001
From: Ben Cahill <ben.m.cahill@intel.com>
Date: Fri, 9 Oct 2009 13:20:27 -0700
Subject: [PATCH 0474/1815] iwl3945: move iwl_power_initialize()

iwl_power_initialize() initializes driver data (not device hardware), and does
not need to execute more than once (when the driver initializes).  Therefore, it
does not belong in iwl3945_apm_init(), which initializes hardware, and may run
more than once.

Move it to iwl3945_pci_probe(), where it will run only once.  This agrees
with similar placement in iwl-agn.c's iwl_pci_probe(), although placement
under "services" seemed more appropriate than under "mac80211".

Signed-off-by: Ben Cahill <ben.m.cahill@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-3945.c     | 2 --
 drivers/net/wireless/iwlwifi/iwl3945-base.c | 1 +
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index f8ce96c94c6..4e15a8e20d0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -991,8 +991,6 @@ static int iwl3945_apm_init(struct iwl_priv *priv)
 {
 	int ret;
 
-	iwl_power_initialize(priv);
-
 	/* Configure chip clock phase-lock-loop */
 	iwl_set_bit(priv, CSR_ANA_PLL_CFG, CSR39_ANA_PLL_CFG_VAL);
 
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 2406b73e909..e0e566c932c 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -4064,6 +4064,7 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e
 			     &priv->bands[IEEE80211_BAND_2GHZ].channels[5]);
 	iwl3945_setup_deferred_work(priv);
 	iwl3945_setup_rx_handlers(priv);
+	iwl_power_initialize(priv);
 
 	/*********************************
 	 * 8. Setup and Register mac80211
-- 
GitLab


From 88804e2b33b6ab3974ff2330cd045ca53d6750c5 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 9 Oct 2009 13:20:28 -0700
Subject: [PATCH 0475/1815] iwlwifi: dynamic allocate tx queue structure

Instead of always allocate the max number of tx queue structure,
use dynamic allocation based on the number of queues in device
configuration. With these changes, device does not have to allocate more
memory than the h/w can support.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-1000.c     |  4 ++
 drivers/net/wireless/iwlwifi/iwl-3945.c     | 23 ++++++++---
 drivers/net/wireless/iwlwifi/iwl-4965.c     | 33 ++++++++--------
 drivers/net/wireless/iwlwifi/iwl-5000.c     | 42 +++++++++++++--------
 drivers/net/wireless/iwlwifi/iwl-6000.c     | 36 +++++++++++++-----
 drivers/net/wireless/iwlwifi/iwl-core.c     | 21 +++++++++++
 drivers/net/wireless/iwlwifi/iwl-core.h     |  5 ++-
 drivers/net/wireless/iwlwifi/iwl-debugfs.c  | 12 +++++-
 drivers/net/wireless/iwlwifi/iwl-dev.h      |  4 +-
 drivers/net/wireless/iwlwifi/iwl-tx.c       | 22 ++++++++---
 drivers/net/wireless/iwlwifi/iwl3945-base.c |  1 -
 11 files changed, 144 insertions(+), 59 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c
index 1fc38142a49..a00f947bd59 100644
--- a/drivers/net/wireless/iwlwifi/iwl-1000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-1000.c
@@ -158,6 +158,8 @@ struct iwl_cfg iwl1000_bgn_cfg = {
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
 	.eeprom_ver = EEPROM_1000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
+	.num_of_queues = IWL50_NUM_QUEUES,
+	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_A,
 	.valid_rx_ant = ANT_AB,
@@ -179,6 +181,8 @@ struct iwl_cfg iwl1000_bg_cfg = {
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
 	.eeprom_ver = EEPROM_1000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
+	.num_of_queues = IWL50_NUM_QUEUES,
+	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_A,
 	.valid_rx_ant = ANT_AB,
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 4e15a8e20d0..314cae77364 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -958,6 +958,11 @@ static int iwl3945_txq_ctx_reset(struct iwl_priv *priv)
 
 	iwl3945_hw_txq_ctx_free(priv);
 
+	/* allocate tx queue structure */
+	rc = iwl_alloc_txq_mem(priv);
+	if (rc)
+		return rc;
+
 	/* Tx CMD queue */
 	rc = iwl3945_tx_reset(priv);
 	if (rc)
@@ -1170,12 +1175,16 @@ void iwl3945_hw_txq_ctx_free(struct iwl_priv *priv)
 	int txq_id;
 
 	/* Tx queues */
-	for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++)
-		if (txq_id == IWL_CMD_QUEUE_NUM)
-			iwl_cmd_queue_free(priv);
-		else
-			iwl_tx_queue_free(priv, txq_id);
+	if (priv->txq)
+		for (txq_id = 0; txq_id < priv->hw_params.max_txq_num;
+		     txq_id++)
+			if (txq_id == IWL_CMD_QUEUE_NUM)
+				iwl_cmd_queue_free(priv);
+			else
+				iwl_tx_queue_free(priv, txq_id);
 
+	/* free tx queue structure */
+	iwl_free_txq_mem(priv);
 }
 
 void iwl3945_hw_txq_ctx_stop(struct iwl_priv *priv)
@@ -2503,7 +2512,7 @@ int iwl3945_hw_set_hw_params(struct iwl_priv *priv)
 	}
 
 	/* Assign number of Usable TX queues */
-	priv->hw_params.max_txq_num = IWL39_NUM_QUEUES;
+	priv->hw_params.max_txq_num = priv->cfg->num_of_queues;
 
 	priv->hw_params.tfd_size = sizeof(struct iwl3945_tfd);
 	priv->hw_params.rx_buf_size = IWL_RX_BUF_SIZE_3K;
@@ -2838,6 +2847,7 @@ static struct iwl_cfg iwl3945_bg_cfg = {
 	.eeprom_size = IWL3945_EEPROM_IMG_SIZE,
 	.eeprom_ver = EEPROM_3945_EEPROM_VERSION,
 	.ops = &iwl3945_ops,
+	.num_of_queues = IWL39_NUM_QUEUES,
 	.mod_params = &iwl3945_mod_params,
 	.use_isr_legacy = true,
 	.ht_greenfield_support = false,
@@ -2853,6 +2863,7 @@ static struct iwl_cfg iwl3945_abg_cfg = {
 	.eeprom_size = IWL3945_EEPROM_IMG_SIZE,
 	.eeprom_ver = EEPROM_3945_EEPROM_VERSION,
 	.ops = &iwl3945_ops,
+	.num_of_queues = IWL39_NUM_QUEUES,
 	.mod_params = &iwl3945_mod_params,
 	.use_isr_legacy = true,
 	.ht_greenfield_support = false,
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index 966858587e2..c9d90169ab1 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -62,8 +62,6 @@ static int iwl4965_hw_get_temperature(struct iwl_priv *priv);
 
 /* module parameters */
 static struct iwl_mod_params iwl4965_mod_params = {
-	.num_of_queues = IWL49_NUM_QUEUES,
-	.num_of_ampdu_queues = IWL49_NUM_AMPDU_QUEUES,
 	.amsdu_size_8K = 1,
 	.restart_fw = 1,
 	/* the rest are 0 by default */
@@ -698,19 +696,16 @@ static void iwl4965_set_ct_threshold(struct iwl_priv *priv)
  */
 static int iwl4965_hw_set_hw_params(struct iwl_priv *priv)
 {
+	if (priv->cfg->mod_params->num_of_queues >= IWL_MIN_NUM_QUEUES &&
+	    priv->cfg->mod_params->num_of_queues <= IWL49_NUM_QUEUES)
+		priv->cfg->num_of_queues =
+			priv->cfg->mod_params->num_of_queues;
 
-	if ((priv->cfg->mod_params->num_of_queues > IWL49_NUM_QUEUES) ||
-	    (priv->cfg->mod_params->num_of_queues < IWL_MIN_NUM_QUEUES)) {
-		IWL_ERR(priv,
-			"invalid queues_num, should be between %d and %d\n",
-			IWL_MIN_NUM_QUEUES, IWL49_NUM_QUEUES);
-		return -EINVAL;
-	}
-
-	priv->hw_params.max_txq_num = priv->cfg->mod_params->num_of_queues;
+	priv->hw_params.max_txq_num = priv->cfg->num_of_queues;
 	priv->hw_params.dma_chnl_num = FH49_TCSR_CHNL_NUM;
 	priv->hw_params.scd_bc_tbls_size =
-			IWL49_NUM_QUEUES * sizeof(struct iwl4965_scd_bc_tbl);
+			priv->cfg->num_of_queues *
+			sizeof(struct iwl4965_scd_bc_tbl);
 	priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
 	priv->hw_params.max_stations = IWL4965_STATION_COUNT;
 	priv->hw_params.bcast_sta_id = IWL4965_BROADCAST_ID;
@@ -1739,11 +1734,13 @@ static int iwl4965_txq_agg_disable(struct iwl_priv *priv, u16 txq_id,
 				   u16 ssn_idx, u8 tx_fifo)
 {
 	if ((IWL49_FIRST_AMPDU_QUEUE > txq_id) ||
-	    (IWL49_FIRST_AMPDU_QUEUE + IWL49_NUM_AMPDU_QUEUES <= txq_id)) {
+	    (IWL49_FIRST_AMPDU_QUEUE + priv->cfg->num_of_ampdu_queues
+	     <= txq_id)) {
 		IWL_WARN(priv,
 			"queue number out of range: %d, must be %d to %d\n",
 			txq_id, IWL49_FIRST_AMPDU_QUEUE,
-			IWL49_FIRST_AMPDU_QUEUE + IWL49_NUM_AMPDU_QUEUES - 1);
+			IWL49_FIRST_AMPDU_QUEUE +
+			priv->cfg->num_of_ampdu_queues - 1);
 		return -EINVAL;
 	}
 
@@ -1804,11 +1801,13 @@ static int iwl4965_txq_agg_enable(struct iwl_priv *priv, int txq_id,
 	u16 ra_tid;
 
 	if ((IWL49_FIRST_AMPDU_QUEUE > txq_id) ||
-	    (IWL49_FIRST_AMPDU_QUEUE + IWL49_NUM_AMPDU_QUEUES <= txq_id)) {
+	    (IWL49_FIRST_AMPDU_QUEUE + priv->cfg->num_of_ampdu_queues
+	     <= txq_id)) {
 		IWL_WARN(priv,
 			"queue number out of range: %d, must be %d to %d\n",
 			txq_id, IWL49_FIRST_AMPDU_QUEUE,
-			IWL49_FIRST_AMPDU_QUEUE + IWL49_NUM_AMPDU_QUEUES - 1);
+			IWL49_FIRST_AMPDU_QUEUE +
+			priv->cfg->num_of_ampdu_queues - 1);
 		return -EINVAL;
 	}
 
@@ -2286,6 +2285,8 @@ struct iwl_cfg iwl4965_agn_cfg = {
 	.eeprom_ver = EEPROM_4965_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_4965_TX_POWER_VERSION,
 	.ops = &iwl4965_ops,
+	.num_of_queues = IWL49_NUM_QUEUES,
+	.num_of_ampdu_queues = IWL49_NUM_AMPDU_QUEUES,
 	.mod_params = &iwl4965_mod_params,
 	.use_isr_legacy = true,
 	.ht_greenfield_support = false,
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index a9d1aa3ad57..ab5b9d8d66b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -749,18 +749,16 @@ int iwl5000_alive_notify(struct iwl_priv *priv)
 
 int iwl5000_hw_set_hw_params(struct iwl_priv *priv)
 {
-	if ((priv->cfg->mod_params->num_of_queues > IWL50_NUM_QUEUES) ||
-	    (priv->cfg->mod_params->num_of_queues < IWL_MIN_NUM_QUEUES)) {
-		IWL_ERR(priv,
-			"invalid queues_num, should be between %d and %d\n",
-			IWL_MIN_NUM_QUEUES, IWL50_NUM_QUEUES);
-		return -EINVAL;
-	}
+	if (priv->cfg->mod_params->num_of_queues >= IWL_MIN_NUM_QUEUES &&
+	    priv->cfg->mod_params->num_of_queues <= IWL50_NUM_QUEUES)
+		priv->cfg->num_of_queues =
+			priv->cfg->mod_params->num_of_queues;
 
-	priv->hw_params.max_txq_num = priv->cfg->mod_params->num_of_queues;
+	priv->hw_params.max_txq_num = priv->cfg->num_of_queues;
 	priv->hw_params.dma_chnl_num = FH50_TCSR_CHNL_NUM;
 	priv->hw_params.scd_bc_tbls_size =
-			IWL50_NUM_QUEUES * sizeof(struct iwl5000_scd_bc_tbl);
+			priv->cfg->num_of_queues *
+			sizeof(struct iwl5000_scd_bc_tbl);
 	priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
 	priv->hw_params.max_stations = IWL5000_STATION_COUNT;
 	priv->hw_params.bcast_sta_id = IWL5000_BROADCAST_ID;
@@ -912,11 +910,13 @@ int iwl5000_txq_agg_enable(struct iwl_priv *priv, int txq_id,
 	u16 ra_tid;
 
 	if ((IWL50_FIRST_AMPDU_QUEUE > txq_id) ||
-	    (IWL50_FIRST_AMPDU_QUEUE + IWL50_NUM_AMPDU_QUEUES <= txq_id)) {
+	    (IWL50_FIRST_AMPDU_QUEUE + priv->cfg->num_of_ampdu_queues
+	     <= txq_id)) {
 		IWL_WARN(priv,
 			"queue number out of range: %d, must be %d to %d\n",
 			txq_id, IWL50_FIRST_AMPDU_QUEUE,
-			IWL50_FIRST_AMPDU_QUEUE + IWL50_NUM_AMPDU_QUEUES - 1);
+			IWL50_FIRST_AMPDU_QUEUE +
+			priv->cfg->num_of_ampdu_queues - 1);
 		return -EINVAL;
 	}
 
@@ -970,11 +970,13 @@ int iwl5000_txq_agg_disable(struct iwl_priv *priv, u16 txq_id,
 				   u16 ssn_idx, u8 tx_fifo)
 {
 	if ((IWL50_FIRST_AMPDU_QUEUE > txq_id) ||
-	    (IWL50_FIRST_AMPDU_QUEUE + IWL50_NUM_AMPDU_QUEUES <= txq_id)) {
+	    (IWL50_FIRST_AMPDU_QUEUE + priv->cfg->num_of_ampdu_queues
+	     <= txq_id)) {
 		IWL_ERR(priv,
 			"queue number out of range: %d, must be %d to %d\n",
 			txq_id, IWL50_FIRST_AMPDU_QUEUE,
-			IWL50_FIRST_AMPDU_QUEUE + IWL50_NUM_AMPDU_QUEUES - 1);
+			IWL50_FIRST_AMPDU_QUEUE +
+			priv->cfg->num_of_ampdu_queues - 1);
 		return -EINVAL;
 	}
 
@@ -1584,8 +1586,6 @@ static struct iwl_ops iwl5150_ops = {
 };
 
 struct iwl_mod_params iwl50_mod_params = {
-	.num_of_queues = IWL50_NUM_QUEUES,
-	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
 	.amsdu_size_8K = 1,
 	.restart_fw = 1,
 	/* the rest are 0 by default */
@@ -1602,6 +1602,8 @@ struct iwl_cfg iwl5300_agn_cfg = {
 	.eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
 	.eeprom_ver = EEPROM_5000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
+	.num_of_queues = IWL50_NUM_QUEUES,
+	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_ABC,
 	.valid_rx_ant = ANT_ABC,
@@ -1621,6 +1623,8 @@ struct iwl_cfg iwl5100_bg_cfg = {
 	.eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
 	.eeprom_ver = EEPROM_5000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
+	.num_of_queues = IWL50_NUM_QUEUES,
+	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_B,
 	.valid_rx_ant = ANT_AB,
@@ -1640,6 +1644,8 @@ struct iwl_cfg iwl5100_abg_cfg = {
 	.eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
 	.eeprom_ver = EEPROM_5000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
+	.num_of_queues = IWL50_NUM_QUEUES,
+	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_B,
 	.valid_rx_ant = ANT_AB,
@@ -1659,6 +1665,8 @@ struct iwl_cfg iwl5100_agn_cfg = {
 	.eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
 	.eeprom_ver = EEPROM_5000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
+	.num_of_queues = IWL50_NUM_QUEUES,
+	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_B,
 	.valid_rx_ant = ANT_AB,
@@ -1678,6 +1686,8 @@ struct iwl_cfg iwl5350_agn_cfg = {
 	.eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
 	.eeprom_ver = EEPROM_5050_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION,
+	.num_of_queues = IWL50_NUM_QUEUES,
+	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_ABC,
 	.valid_rx_ant = ANT_ABC,
@@ -1697,6 +1707,8 @@ struct iwl_cfg iwl5150_agn_cfg = {
 	.eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
 	.eeprom_ver = EEPROM_5050_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION,
+	.num_of_queues = IWL50_NUM_QUEUES,
+	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_A,
 	.valid_rx_ant = ANT_AB,
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index dda1dd6ed40..bdc1c74b682 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -129,18 +129,16 @@ static struct iwl_sensitivity_ranges iwl6000_sensitivity = {
 
 static int iwl6000_hw_set_hw_params(struct iwl_priv *priv)
 {
-	if ((priv->cfg->mod_params->num_of_queues > IWL50_NUM_QUEUES) ||
-	    (priv->cfg->mod_params->num_of_queues < IWL_MIN_NUM_QUEUES)) {
-		IWL_ERR(priv,
-			"invalid queues_num, should be between %d and %d\n",
-			IWL_MIN_NUM_QUEUES, IWL50_NUM_QUEUES);
-		return -EINVAL;
-	}
+	if (priv->cfg->mod_params->num_of_queues >= IWL_MIN_NUM_QUEUES &&
+	    priv->cfg->mod_params->num_of_queues <= IWL50_NUM_QUEUES)
+		priv->cfg->num_of_queues =
+			priv->cfg->mod_params->num_of_queues;
 
-	priv->hw_params.max_txq_num = priv->cfg->mod_params->num_of_queues;
+	priv->hw_params.max_txq_num = priv->cfg->num_of_queues;
 	priv->hw_params.dma_chnl_num = FH50_TCSR_CHNL_NUM;
 	priv->hw_params.scd_bc_tbls_size =
-			IWL50_NUM_QUEUES * sizeof(struct iwl5000_scd_bc_tbl);
+			priv->cfg->num_of_queues *
+			sizeof(struct iwl5000_scd_bc_tbl);
 	priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
 	priv->hw_params.max_stations = IWL5000_STATION_COUNT;
 	priv->hw_params.bcast_sta_id = IWL5000_BROADCAST_ID;
@@ -248,6 +246,8 @@ struct iwl_cfg iwl6000h_2agn_cfg = {
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
 	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
+	.num_of_queues = IWL50_NUM_QUEUES,
+	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_AB,
 	.valid_rx_ant = ANT_AB,
@@ -272,6 +272,8 @@ struct iwl_cfg iwl6000h_2abg_cfg = {
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
 	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
+	.num_of_queues = IWL50_NUM_QUEUES,
+	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_AB,
 	.valid_rx_ant = ANT_AB,
@@ -295,6 +297,8 @@ struct iwl_cfg iwl6000h_2bg_cfg = {
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
 	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
+	.num_of_queues = IWL50_NUM_QUEUES,
+	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_AB,
 	.valid_rx_ant = ANT_AB,
@@ -321,6 +325,8 @@ struct iwl_cfg iwl6000i_2agn_cfg = {
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
 	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
+	.num_of_queues = IWL50_NUM_QUEUES,
+	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_BC,
 	.valid_rx_ant = ANT_BC,
@@ -345,6 +351,8 @@ struct iwl_cfg iwl6000i_2abg_cfg = {
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
 	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
+	.num_of_queues = IWL50_NUM_QUEUES,
+	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_BC,
 	.valid_rx_ant = ANT_BC,
@@ -368,6 +376,8 @@ struct iwl_cfg iwl6000i_2bg_cfg = {
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
 	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
+	.num_of_queues = IWL50_NUM_QUEUES,
+	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_BC,
 	.valid_rx_ant = ANT_BC,
@@ -391,6 +401,8 @@ struct iwl_cfg iwl6050_2agn_cfg = {
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
 	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
+	.num_of_queues = IWL50_NUM_QUEUES,
+	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_AB,
 	.valid_rx_ant = ANT_AB,
@@ -415,6 +427,8 @@ struct iwl_cfg iwl6050_2abg_cfg = {
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
 	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
+	.num_of_queues = IWL50_NUM_QUEUES,
+	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_AB,
 	.valid_rx_ant = ANT_AB,
@@ -438,6 +452,8 @@ struct iwl_cfg iwl6000_3agn_cfg = {
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
 	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
+	.num_of_queues = IWL50_NUM_QUEUES,
+	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_ABC,
 	.valid_rx_ant = ANT_ABC,
@@ -462,6 +478,8 @@ struct iwl_cfg iwl6050_3agn_cfg = {
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
 	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
+	.num_of_queues = IWL50_NUM_QUEUES,
+	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_ABC,
 	.valid_rx_ant = ANT_ABC,
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index dc7fd87bed9..c40c7e2dacf 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -2826,6 +2826,27 @@ void iwl_mac_reset_tsf(struct ieee80211_hw *hw)
 }
 EXPORT_SYMBOL(iwl_mac_reset_tsf);
 
+int iwl_alloc_txq_mem(struct iwl_priv *priv)
+{
+	if (!priv->txq)
+		priv->txq = kzalloc(
+			sizeof(struct iwl_tx_queue) * priv->cfg->num_of_queues,
+			GFP_KERNEL);
+	if (!priv->txq) {
+		IWL_ERR(priv, "Not enough memory for txq \n");
+		return -ENOMEM;
+	}
+	return 0;
+}
+EXPORT_SYMBOL(iwl_alloc_txq_mem);
+
+void iwl_free_txq_mem(struct iwl_priv *priv)
+{
+	kfree(priv->txq);
+	priv->txq = NULL;
+}
+EXPORT_SYMBOL(iwl_free_txq_mem);
+
 #ifdef CONFIG_IWLWIFI_DEBUGFS
 
 #define IWL_TRAFFIC_DUMP_SIZE	(IWL_TRAFFIC_ENTRY_SIZE * IWL_TRAFFIC_ENTRIES)
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 447eb64e1f6..3679c2ced04 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -204,7 +204,6 @@ struct iwl_mod_params {
 	int sw_crypto;		/* def: 0 = using hardware encryption */
 	int disable_hw_scan;	/* def: 0 = use h/w scan */
 	int num_of_queues;	/* def: HW dependent */
-	int num_of_ampdu_queues;/* def: HW dependent */
 	int disable_11n;	/* def: 0 = 11n capabilities enabled */
 	int amsdu_size_8K;	/* def: 1 = enable 8K amsdu size */
 	int antenna;  		/* def: 0 = both antennas (use diversity) */
@@ -257,6 +256,8 @@ struct iwl_cfg {
 	int eeprom_size;
 	u16  eeprom_ver;
 	u16  eeprom_calib_ver;
+	int num_of_queues;	/* def: HW dependent */
+	int num_of_ampdu_queues;/* def: HW dependent */
 	const struct iwl_ops *ops;
 	const struct iwl_mod_params *mod_params;
 	u8   valid_tx_ant;
@@ -326,6 +327,8 @@ void iwl_config_ap(struct iwl_priv *priv);
 int iwl_mac_get_tx_stats(struct ieee80211_hw *hw,
 			 struct ieee80211_tx_queue_stats *stats);
 void iwl_mac_reset_tsf(struct ieee80211_hw *hw);
+int iwl_alloc_txq_mem(struct iwl_priv *priv);
+void iwl_free_txq_mem(struct iwl_priv *priv);
 #ifdef CONFIG_IWLWIFI_DEBUGFS
 int iwl_alloc_traffic_mem(struct iwl_priv *priv);
 void iwl_free_traffic_mem(struct iwl_priv *priv);
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index aa62357c915..028d4bf8dcd 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -884,10 +884,14 @@ static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
 	struct iwl_rx_queue *rxq = &priv->rxq;
 	char *buf;
 	int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
-		(IWL_MAX_NUM_QUEUES * 32 * 8) + 400;
+		(priv->cfg->num_of_queues * 32 * 8) + 400;
 	const u8 *ptr;
 	ssize_t ret;
 
+	if (!priv->txq) {
+		IWL_ERR(priv, "txq not ready\n");
+		return -EAGAIN;
+	}
 	buf = kzalloc(bufsz, GFP_KERNEL);
 	if (!buf) {
 		IWL_ERR(priv, "Can not allocate buffer\n");
@@ -979,8 +983,12 @@ static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
 	int pos = 0;
 	int cnt;
 	int ret;
-	const size_t bufsz = sizeof(char) * 60 * IWL_MAX_NUM_QUEUES;
+	const size_t bufsz = sizeof(char) * 60 * priv->cfg->num_of_queues;
 
+	if (!priv->txq) {
+		IWL_ERR(priv, "txq not ready\n");
+		return -EAGAIN;
+	}
 	buf = kzalloc(bufsz, GFP_KERNEL);
 	if (!buf)
 		return -ENOMEM;
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index c1b07e2045e..6d7c2350d8c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -974,8 +974,6 @@ struct traffic_stats {
 };
 #endif
 
-#define IWL_MAX_NUM_QUEUES	20 /* FIXME: do dynamic allocation */
-
 struct iwl_priv {
 
 	/* ieee device used by generic ieee processing code */
@@ -1103,7 +1101,7 @@ struct iwl_priv {
 
 	/* Rx and Tx DMA processing queues */
 	struct iwl_rx_queue rxq;
-	struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES];
+	struct iwl_tx_queue *txq;
 	unsigned long txq_ctx_active_msk;
 	struct iwl_dma_ptr  kw;	/* keep warm address */
 	struct iwl_dma_ptr  scd_bc_tbls;
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index c832ba085db..625da63d01e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -405,15 +405,19 @@ void iwl_hw_txq_ctx_free(struct iwl_priv *priv)
 	int txq_id;
 
 	/* Tx queues */
-	for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++)
-		if (txq_id == IWL_CMD_QUEUE_NUM)
-			iwl_cmd_queue_free(priv);
-		else
-			iwl_tx_queue_free(priv, txq_id);
-
+	if (priv->txq)
+		for (txq_id = 0; txq_id < priv->hw_params.max_txq_num;
+		     txq_id++)
+			if (txq_id == IWL_CMD_QUEUE_NUM)
+				iwl_cmd_queue_free(priv);
+			else
+				iwl_tx_queue_free(priv, txq_id);
 	iwl_free_dma_ptr(priv, &priv->kw);
 
 	iwl_free_dma_ptr(priv, &priv->scd_bc_tbls);
+
+	/* free tx queue structure */
+	iwl_free_txq_mem(priv);
 }
 EXPORT_SYMBOL(iwl_hw_txq_ctx_free);
 
@@ -445,6 +449,12 @@ int iwl_txq_ctx_reset(struct iwl_priv *priv)
 		IWL_ERR(priv, "Keep Warm allocation failed\n");
 		goto error_kw;
 	}
+
+	/* allocate tx queue structure */
+	ret = iwl_alloc_txq_mem(priv);
+	if (ret)
+		goto error;
+
 	spin_lock_irqsave(&priv->lock, flags);
 
 	/* Turn off all Tx DMA fifos */
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index e0e566c932c..66da441fe36 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -88,7 +88,6 @@ MODULE_LICENSE("GPL");
 
  /* module parameters */
 struct iwl_mod_params iwl3945_mod_params = {
-	.num_of_queues = IWL39_NUM_QUEUES, /* Not used */
 	.sw_crypto = 1,
 	.restart_fw = 1,
 	/* the rest are 0 by default */
-- 
GitLab


From 92a35bda792cf9295b1d399f7c937d4560292b1e Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 9 Oct 2009 13:20:29 -0700
Subject: [PATCH 0476/1815] iwlwifi: showing accumulative ucode statistics
 counters

Adding accumulative statistics counters in iwlwifi driver.
Statistics counters are reported by uCode every beacon interval; but can
be reset by uCode when needed. The accumulative statistics counters is
maintained by driver to keep track of the history of all the counters.

Update the ucode stats files in debugfs to display both latest and
accumulative counters.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-3945.c    |   2 -
 drivers/net/wireless/iwlwifi/iwl-debugfs.c | 629 +++++++++++++--------
 drivers/net/wireless/iwlwifi/iwl-dev.h     |   4 +-
 drivers/net/wireless/iwlwifi/iwl-rx.c      |  41 ++
 4 files changed, 447 insertions(+), 229 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 314cae77364..cee03e7fc2d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -361,8 +361,6 @@ void iwl3945_hw_rx_statistics(struct iwl_priv *priv,
 	memcpy(&priv->statistics_39, pkt->u.raw, sizeof(priv->statistics_39));
 
 	iwl_leds_background(priv);
-
-	priv->last_statistics_time = jiffies;
 }
 
 /******************************************************************************
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index 028d4bf8dcd..2cd11ba9637 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -1079,10 +1079,10 @@ static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
 		sizeof(struct statistics_rx_non_phy) * 20 +
 		sizeof(struct statistics_rx_ht_phy) * 20 + 400;
 	ssize_t ret;
-	struct statistics_rx_phy *ofdm;
-	struct statistics_rx_phy *cck;
-	struct statistics_rx_non_phy *general;
-	struct statistics_rx_ht_phy *ht;
+	struct statistics_rx_phy *ofdm, *accum_ofdm;
+	struct statistics_rx_phy *cck, *accum_cck;
+	struct statistics_rx_non_phy *general, *accum_general;
+	struct statistics_rx_ht_phy *ht, *accum_ht;
 
 	if (!iwl_is_alive(priv))
 		return -EAGAIN;
@@ -1111,155 +1111,268 @@ static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
 	cck = &priv->statistics.rx.cck;
 	general = &priv->statistics.rx.general;
 	ht = &priv->statistics.rx.ofdm_ht;
+	accum_ofdm = &priv->accum_statistics.rx.ofdm;
+	accum_cck = &priv->accum_statistics.rx.cck;
+	accum_general = &priv->accum_statistics.rx.general;
+	accum_ht = &priv->accum_statistics.rx.ofdm_ht;
 	pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
 	pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM:\n");
-	pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt: %u\n",
-			 le32_to_cpu(ofdm->ina_cnt));
-	pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt: %u\n",
-			 le32_to_cpu(ofdm->fina_cnt));
-	pos += scnprintf(buf + pos, bufsz - pos, "plcp_err: %u\n",
-			 le32_to_cpu(ofdm->plcp_err));
-	pos += scnprintf(buf + pos, bufsz - pos, "crc32_err: %u\n",
-			 le32_to_cpu(ofdm->crc32_err));
-	pos += scnprintf(buf + pos, bufsz - pos, "overrun_err: %u\n",
-			 le32_to_cpu(ofdm->overrun_err));
-	pos += scnprintf(buf + pos, bufsz - pos, "early_overrun_err: %u\n",
-			 le32_to_cpu(ofdm->early_overrun_err));
-	pos += scnprintf(buf + pos, bufsz - pos, "crc32_good: %u\n",
-			 le32_to_cpu(ofdm->crc32_good));
-	pos += scnprintf(buf + pos, bufsz - pos, "false_alarm_cnt: %u\n",
-			 le32_to_cpu(ofdm->false_alarm_cnt));
-	pos += scnprintf(buf + pos, bufsz - pos, "fina_sync_err_cnt: %u\n",
-			 le32_to_cpu(ofdm->fina_sync_err_cnt));
-	pos += scnprintf(buf + pos, bufsz - pos, "sfd_timeout: %u\n",
-			 le32_to_cpu(ofdm->sfd_timeout));
-	pos += scnprintf(buf + pos, bufsz - pos, "fina_timeout: %u\n",
-			 le32_to_cpu(ofdm->fina_timeout));
-	pos += scnprintf(buf + pos, bufsz - pos, "unresponded_rts: %u\n",
-			 le32_to_cpu(ofdm->unresponded_rts));
-	pos += scnprintf(buf + pos, bufsz - pos,
-			"rxe_frame_limit_overrun: %u\n",
-			le32_to_cpu(ofdm->rxe_frame_limit_overrun));
-	pos += scnprintf(buf + pos, bufsz - pos, "sent_ack_cnt: %u\n",
-			 le32_to_cpu(ofdm->sent_ack_cnt));
-	pos += scnprintf(buf + pos, bufsz - pos, "sent_cts_cnt: %u\n",
-			 le32_to_cpu(ofdm->sent_cts_cnt));
-	pos += scnprintf(buf + pos, bufsz - pos, "sent_ba_rsp_cnt: %u\n",
-			 le32_to_cpu(ofdm->sent_ba_rsp_cnt));
-	pos += scnprintf(buf + pos, bufsz - pos, "dsp_self_kill: %u\n",
-			 le32_to_cpu(ofdm->dsp_self_kill));
-	pos += scnprintf(buf + pos, bufsz - pos, "mh_format_err: %u\n",
-			 le32_to_cpu(ofdm->mh_format_err));
-	pos += scnprintf(buf + pos, bufsz - pos, "re_acq_main_rssi_sum: %u\n",
-			 le32_to_cpu(ofdm->re_acq_main_rssi_sum));
+	pos += scnprintf(buf + pos, bufsz - pos,
+			"\t\t\tcurrent\t\t\taccumulative\n");
+	pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(ofdm->ina_cnt), accum_ofdm->ina_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos, "plcp_err:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err);
+	pos += scnprintf(buf + pos, bufsz - pos, "crc32_err:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "overrun_err:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(ofdm->overrun_err),
+			 accum_ofdm->overrun_err);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "early_overrun_err:\t%u\t\t\t%u\n",
+			 le32_to_cpu(ofdm->early_overrun_err),
+			 accum_ofdm->early_overrun_err);
+	pos += scnprintf(buf + pos, bufsz - pos, "crc32_good:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(ofdm->crc32_good),
+			 accum_ofdm->crc32_good);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "false_alarm_cnt:\t%u\t\t\t%u\n",
+			 le32_to_cpu(ofdm->false_alarm_cnt),
+			 accum_ofdm->false_alarm_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "fina_sync_err_cnt:\t%u\t\t\t%u\n",
+			 le32_to_cpu(ofdm->fina_sync_err_cnt),
+			 accum_ofdm->fina_sync_err_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "sfd_timeout:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(ofdm->sfd_timeout),
+			 accum_ofdm->sfd_timeout);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "fina_timeout:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(ofdm->fina_timeout),
+			 accum_ofdm->fina_timeout);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "unresponded_rts:\t%u\t\t\t%u\n",
+			 le32_to_cpu(ofdm->unresponded_rts),
+			 accum_ofdm->unresponded_rts);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			"rxe_frame_lmt_ovrun:\t%u\t\t\t%u\n",
+			 le32_to_cpu(ofdm->rxe_frame_limit_overrun),
+			 accum_ofdm->rxe_frame_limit_overrun);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "sent_ack_cnt:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(ofdm->sent_ack_cnt),
+			 accum_ofdm->sent_ack_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "sent_cts_cnt:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(ofdm->sent_cts_cnt),
+			 accum_ofdm->sent_cts_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "sent_ba_rsp_cnt:\t%u\t\t\t%u\n",
+			 le32_to_cpu(ofdm->sent_ba_rsp_cnt),
+			 accum_ofdm->sent_ba_rsp_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "dsp_self_kill:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(ofdm->dsp_self_kill),
+			 accum_ofdm->dsp_self_kill);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "mh_format_err:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(ofdm->mh_format_err),
+			 accum_ofdm->mh_format_err);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "re_acq_main_rssi_sum:\t%u\t\t\t%u\n",
+			 le32_to_cpu(ofdm->re_acq_main_rssi_sum),
+			 accum_ofdm->re_acq_main_rssi_sum);
 
 	pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - CCK:\n");
-	pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt: %u\n",
-			 le32_to_cpu(cck->ina_cnt));
-	pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt: %u\n",
-			 le32_to_cpu(cck->fina_cnt));
-	pos += scnprintf(buf + pos, bufsz - pos, "plcp_err: %u\n",
-			 le32_to_cpu(cck->plcp_err));
-	pos += scnprintf(buf + pos, bufsz - pos, "crc32_err: %u\n",
-			 le32_to_cpu(cck->crc32_err));
-	pos += scnprintf(buf + pos, bufsz - pos, "overrun_err: %u\n",
-			 le32_to_cpu(cck->overrun_err));
-	pos += scnprintf(buf + pos, bufsz - pos, "early_overrun_err: %u\n",
-			 le32_to_cpu(cck->early_overrun_err));
-	pos += scnprintf(buf + pos, bufsz - pos, "crc32_good: %u\n",
-			 le32_to_cpu(cck->crc32_good));
-	pos += scnprintf(buf + pos, bufsz - pos, "false_alarm_cnt: %u\n",
-			 le32_to_cpu(cck->false_alarm_cnt));
-	pos += scnprintf(buf + pos, bufsz - pos, "fina_sync_err_cnt: %u\n",
-			 le32_to_cpu(cck->fina_sync_err_cnt));
-	pos += scnprintf(buf + pos, bufsz - pos, "sfd_timeout: %u\n",
-			 le32_to_cpu(cck->sfd_timeout));
-	pos += scnprintf(buf + pos, bufsz - pos, "fina_timeout: %u\n",
-			 le32_to_cpu(cck->fina_timeout));
-	pos += scnprintf(buf + pos, bufsz - pos, "unresponded_rts: %u\n",
-			 le32_to_cpu(cck->unresponded_rts));
-	pos += scnprintf(buf + pos, bufsz - pos,
-			"rxe_frame_limit_overrun: %u\n",
-			le32_to_cpu(cck->rxe_frame_limit_overrun));
-	pos += scnprintf(buf + pos, bufsz - pos, "sent_ack_cnt: %u\n",
-			 le32_to_cpu(cck->sent_ack_cnt));
-	pos += scnprintf(buf + pos, bufsz - pos, "sent_cts_cnt: %u\n",
-			 le32_to_cpu(cck->sent_cts_cnt));
-	pos += scnprintf(buf + pos, bufsz - pos, "sent_ba_rsp_cnt: %u\n",
-			 le32_to_cpu(cck->sent_ba_rsp_cnt));
-	pos += scnprintf(buf + pos, bufsz - pos, "dsp_self_kill: %u\n",
-			 le32_to_cpu(cck->dsp_self_kill));
-	pos += scnprintf(buf + pos, bufsz - pos, "mh_format_err: %u\n",
-			 le32_to_cpu(cck->mh_format_err));
-	pos += scnprintf(buf + pos, bufsz - pos, "re_acq_main_rssi_sum: %u\n",
-			 le32_to_cpu(cck->re_acq_main_rssi_sum));
+	pos += scnprintf(buf + pos, bufsz - pos,
+			"\t\t\tcurrent\t\t\taccumulative\n");
+	pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos, "plcp_err:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err);
+	pos += scnprintf(buf + pos, bufsz - pos, "crc32_err:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "overrun_err:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(cck->overrun_err),
+			 accum_cck->overrun_err);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "early_overrun_err:\t%u\t\t\t%u\n",
+			 le32_to_cpu(cck->early_overrun_err),
+			 accum_cck->early_overrun_err);
+	pos += scnprintf(buf + pos, bufsz - pos, "crc32_good:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "false_alarm_cnt:\t%u\t\t\t%u\n",
+			 le32_to_cpu(cck->false_alarm_cnt),
+			 accum_cck->false_alarm_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "fina_sync_err_cnt:\t%u\t\t\t%u\n",
+			 le32_to_cpu(cck->fina_sync_err_cnt),
+			 accum_cck->fina_sync_err_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "sfd_timeout:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(cck->sfd_timeout),
+			 accum_cck->sfd_timeout);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "fina_timeout:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(cck->fina_timeout),
+			 accum_cck->fina_timeout);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "unresponded_rts:\t%u\t\t\t%u\n",
+			 le32_to_cpu(cck->unresponded_rts),
+			 accum_cck->unresponded_rts);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			"rxe_frame_lmt_ovrun:\t%u\t\t\t%u\n",
+			 le32_to_cpu(cck->rxe_frame_limit_overrun),
+			 accum_cck->rxe_frame_limit_overrun);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "sent_ack_cnt:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(cck->sent_ack_cnt),
+			 accum_cck->sent_ack_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "sent_cts_cnt:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(cck->sent_cts_cnt),
+			 accum_cck->sent_cts_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "sent_ba_rsp_cnt:\t%u\t\t\t%u\n",
+			 le32_to_cpu(cck->sent_ba_rsp_cnt),
+			 accum_cck->sent_ba_rsp_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "dsp_self_kill:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(cck->dsp_self_kill),
+			 accum_cck->dsp_self_kill);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "mh_format_err:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(cck->mh_format_err),
+			 accum_cck->mh_format_err);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "re_acq_main_rssi_sum:\t%u\t\t\t%u\n",
+			 le32_to_cpu(cck->re_acq_main_rssi_sum),
+			 accum_cck->re_acq_main_rssi_sum);
 
 	pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - GENERAL:\n");
-	pos += scnprintf(buf + pos, bufsz - pos, "bogus_cts: %u\n",
-			 le32_to_cpu(general->bogus_cts));
-	pos += scnprintf(buf + pos, bufsz - pos, "bogus_ack: %u\n",
-			 le32_to_cpu(general->bogus_ack));
-	pos += scnprintf(buf + pos, bufsz - pos, "non_bssid_frames: %u\n",
-			 le32_to_cpu(general->non_bssid_frames));
-	pos += scnprintf(buf + pos, bufsz - pos, "filtered_frames: %u\n",
-			 le32_to_cpu(general->filtered_frames));
-	pos += scnprintf(buf + pos, bufsz - pos, "non_channel_beacons: %u\n",
-			 le32_to_cpu(general->non_channel_beacons));
-	pos += scnprintf(buf + pos, bufsz - pos, "channel_beacons: %u\n",
-			 le32_to_cpu(general->channel_beacons));
-	pos += scnprintf(buf + pos, bufsz - pos, "num_missed_bcon: %u\n",
-			 le32_to_cpu(general->num_missed_bcon));
-	pos += scnprintf(buf + pos, bufsz - pos,
-			"adc_rx_saturation_time: %u\n",
-			le32_to_cpu(general->adc_rx_saturation_time));
-	pos += scnprintf(buf + pos, bufsz - pos,
-			"ina_detection_search_time: %u\n",
-			le32_to_cpu(general->ina_detection_search_time));
-	pos += scnprintf(buf + pos, bufsz - pos, "beacon_silence_rssi_a: %u\n",
-			 le32_to_cpu(general->beacon_silence_rssi_a));
-	pos += scnprintf(buf + pos, bufsz - pos, "beacon_silence_rssi_b: %u\n",
-			 le32_to_cpu(general->beacon_silence_rssi_b));
-	pos += scnprintf(buf + pos, bufsz - pos, "beacon_silence_rssi_c: %u\n",
-			 le32_to_cpu(general->beacon_silence_rssi_c));
-	pos += scnprintf(buf + pos, bufsz - pos,
-			"interference_data_flag: %u\n",
-			le32_to_cpu(general->interference_data_flag));
-	pos += scnprintf(buf + pos, bufsz - pos, "channel_load: %u\n",
-			 le32_to_cpu(general->channel_load));
-	pos += scnprintf(buf + pos, bufsz - pos, "dsp_false_alarms: %u\n",
-			 le32_to_cpu(general->dsp_false_alarms));
-	pos += scnprintf(buf + pos, bufsz - pos, "beacon_rssi_a: %u\n",
-			 le32_to_cpu(general->beacon_rssi_a));
-	pos += scnprintf(buf + pos, bufsz - pos, "beacon_rssi_b: %u\n",
-			 le32_to_cpu(general->beacon_rssi_b));
-	pos += scnprintf(buf + pos, bufsz - pos, "beacon_rssi_c: %u\n",
-			 le32_to_cpu(general->beacon_rssi_c));
-	pos += scnprintf(buf + pos, bufsz - pos, "beacon_energy_a: %u\n",
-			 le32_to_cpu(general->beacon_energy_a));
-	pos += scnprintf(buf + pos, bufsz - pos, "beacon_energy_b: %u\n",
-			 le32_to_cpu(general->beacon_energy_b));
-	pos += scnprintf(buf + pos, bufsz - pos, "beacon_energy_c: %u\n",
-			 le32_to_cpu(general->beacon_energy_c));
+	pos += scnprintf(buf + pos, bufsz - pos,
+			"\t\t\tcurrent\t\t\taccumulative\n");
+	pos += scnprintf(buf + pos, bufsz - pos, "bogus_cts:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(general->bogus_cts),
+			 accum_general->bogus_cts);
+	pos += scnprintf(buf + pos, bufsz - pos, "bogus_ack:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(general->bogus_ack),
+			 accum_general->bogus_ack);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "non_bssid_frames:\t%u\t\t\t%u\n",
+			 le32_to_cpu(general->non_bssid_frames),
+			 accum_general->non_bssid_frames);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "filtered_frames:\t%u\t\t\t%u\n",
+			 le32_to_cpu(general->filtered_frames),
+			 accum_general->filtered_frames);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "non_channel_beacons:\t%u\t\t\t%u\n",
+			 le32_to_cpu(general->non_channel_beacons),
+			 accum_general->non_channel_beacons);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "channel_beacons:\t%u\t\t\t%u\n",
+			 le32_to_cpu(general->channel_beacons),
+			 accum_general->channel_beacons);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "num_missed_bcon:\t%u\t\t\t%u\n",
+			 le32_to_cpu(general->num_missed_bcon),
+			 accum_general->num_missed_bcon);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			"adc_rx_saturation_time:\t%u\t\t\t%u\n",
+			 le32_to_cpu(general->adc_rx_saturation_time),
+			 accum_general->adc_rx_saturation_time);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			"ina_detect_search_tm:\t%u\t\t\t%u\n",
+			 le32_to_cpu(general->ina_detection_search_time),
+			 accum_general->ina_detection_search_time);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "beacon_silence_rssi_a:\t%u\t\t\t%u\n",
+			 le32_to_cpu(general->beacon_silence_rssi_a),
+			 accum_general->beacon_silence_rssi_a);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "beacon_silence_rssi_b:\t%u\t\t\t%u\n",
+			 le32_to_cpu(general->beacon_silence_rssi_b),
+			 accum_general->beacon_silence_rssi_b);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "beacon_silence_rssi_c:\t%u\t\t\t%u\n",
+			 le32_to_cpu(general->beacon_silence_rssi_c),
+			 accum_general->beacon_silence_rssi_c);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			"interference_data_flag:\t%u\t\t\t%u\n",
+			 le32_to_cpu(general->interference_data_flag),
+			 accum_general->interference_data_flag);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "channel_load:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(general->channel_load),
+			 accum_general->channel_load);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "dsp_false_alarms:\t%u\t\t\t%u\n",
+			 le32_to_cpu(general->dsp_false_alarms),
+			 accum_general->dsp_false_alarms);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "beacon_rssi_a:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(general->beacon_rssi_a),
+			 accum_general->beacon_rssi_a);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "beacon_rssi_b:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(general->beacon_rssi_b),
+			 accum_general->beacon_rssi_b);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "beacon_rssi_c:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(general->beacon_rssi_c),
+			 accum_general->beacon_rssi_c);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "beacon_energy_a:\t%u\t\t\t%u\n",
+			 le32_to_cpu(general->beacon_energy_a),
+			 accum_general->beacon_energy_a);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "beacon_energy_b:\t%u\t\t\t%u\n",
+			 le32_to_cpu(general->beacon_energy_b),
+			 accum_general->beacon_energy_b);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "beacon_energy_c:\t%u\t\t\t%u\n",
+			 le32_to_cpu(general->beacon_energy_c),
+			 accum_general->beacon_energy_c);
 
 	pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM_HT:\n");
-	pos += scnprintf(buf + pos, bufsz - pos, "plcp_err: %u\n",
-			 le32_to_cpu(ht->plcp_err));
-	pos += scnprintf(buf + pos, bufsz - pos, "overrun_err: %u\n",
-			 le32_to_cpu(ht->overrun_err));
-	pos += scnprintf(buf + pos, bufsz - pos, "early_overrun_err: %u\n",
-			 le32_to_cpu(ht->early_overrun_err));
-	pos += scnprintf(buf + pos, bufsz - pos, "crc32_good: %u\n",
-			 le32_to_cpu(ht->crc32_good));
-	pos += scnprintf(buf + pos, bufsz - pos, "crc32_err: %u\n",
-			 le32_to_cpu(ht->crc32_err));
-	pos += scnprintf(buf + pos, bufsz - pos, "mh_format_err: %u\n",
-			 le32_to_cpu(ht->mh_format_err));
-	pos += scnprintf(buf + pos, bufsz - pos, "agg_crc32_good: %u\n",
-			 le32_to_cpu(ht->agg_crc32_good));
-	pos += scnprintf(buf + pos, bufsz - pos, "agg_mpdu_cnt: %u\n",
-			 le32_to_cpu(ht->agg_mpdu_cnt));
-	pos += scnprintf(buf + pos, bufsz - pos, "agg_cnt: %u\n",
-			 le32_to_cpu(ht->agg_cnt));
+	pos += scnprintf(buf + pos, bufsz - pos,
+			"\t\t\tcurrent\t\t\taccumulative\n");
+	pos += scnprintf(buf + pos, bufsz - pos, "plcp_err:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "overrun_err:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "early_overrun_err:\t%u\t\t\t%u\n",
+			 le32_to_cpu(ht->early_overrun_err),
+			 accum_ht->early_overrun_err);
+	pos += scnprintf(buf + pos, bufsz - pos, "crc32_good:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good);
+	pos += scnprintf(buf + pos, bufsz - pos, "crc32_err:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "mh_format_err:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(ht->mh_format_err),
+			 accum_ht->mh_format_err);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "agg_crc32_good:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(ht->agg_crc32_good),
+			 accum_ht->agg_crc32_good);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "agg_mpdu_cnt:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(ht->agg_mpdu_cnt),
+			 accum_ht->agg_mpdu_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos, "agg_cnt:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt);
 
 	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 	kfree(buf);
@@ -1275,7 +1388,7 @@ static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
 	char *buf;
 	int bufsz = (sizeof(struct statistics_tx) * 24) + 250;
 	ssize_t ret;
-	struct statistics_tx *tx;
+	struct statistics_tx *tx, *accum_tx;
 
 	if (!iwl_is_alive(priv))
 		return -EAGAIN;
@@ -1301,62 +1414,107 @@ static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
 	 * might not reflect the current uCode activity
 	 */
 	tx = &priv->statistics.tx;
+	accum_tx = &priv->accum_statistics.tx;
 	pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
 	pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Tx:\n");
-	pos += scnprintf(buf + pos, bufsz - pos, "preamble: %u\n",
-			 le32_to_cpu(tx->preamble_cnt));
-	pos += scnprintf(buf + pos, bufsz - pos, "rx_detected_cnt: %u\n",
-			 le32_to_cpu(tx->rx_detected_cnt));
-	pos += scnprintf(buf + pos, bufsz - pos, "bt_prio_defer_cnt: %u\n",
-			 le32_to_cpu(tx->bt_prio_defer_cnt));
-	pos += scnprintf(buf + pos, bufsz - pos, "bt_prio_kill_cnt: %u\n",
-			 le32_to_cpu(tx->bt_prio_kill_cnt));
-	pos += scnprintf(buf + pos, bufsz - pos, "few_bytes_cnt: %u\n",
-			 le32_to_cpu(tx->few_bytes_cnt));
-	pos += scnprintf(buf + pos, bufsz - pos, "cts_timeout: %u\n",
-			 le32_to_cpu(tx->cts_timeout));
-	pos += scnprintf(buf + pos, bufsz - pos, "ack_timeout: %u\n",
-			 le32_to_cpu(tx->ack_timeout));
-	pos += scnprintf(buf + pos, bufsz - pos, "expected_ack_cnt: %u\n",
-			 le32_to_cpu(tx->expected_ack_cnt));
-	pos += scnprintf(buf + pos, bufsz - pos, "actual_ack_cnt: %u\n",
-			 le32_to_cpu(tx->actual_ack_cnt));
-	pos += scnprintf(buf + pos, bufsz - pos, "dump_msdu_cnt: %u\n",
-			 le32_to_cpu(tx->dump_msdu_cnt));
-	pos += scnprintf(buf + pos, bufsz - pos,
-			"burst_abort_next_frame_mismatch_cnt: %u\n",
-			le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt));
-	pos += scnprintf(buf + pos, bufsz - pos,
-			"burst_abort_missing_next_frame_cnt: %u\n",
-			le32_to_cpu(tx->burst_abort_missing_next_frame_cnt));
-	pos += scnprintf(buf + pos, bufsz - pos, "cts_timeout_collision: %u\n",
-			 le32_to_cpu(tx->cts_timeout_collision));
-	pos += scnprintf(buf + pos, bufsz - pos,
-			"ack_or_ba_timeout_collision: %u\n",
-			le32_to_cpu(tx->ack_or_ba_timeout_collision));
-	pos += scnprintf(buf + pos, bufsz - pos, "agg ba_timeout: %u\n",
-			 le32_to_cpu(tx->agg.ba_timeout));
-	pos += scnprintf(buf + pos, bufsz - pos,
-			"agg ba_reschedule_frames: %u\n",
-			le32_to_cpu(tx->agg.ba_reschedule_frames));
-	pos += scnprintf(buf + pos, bufsz - pos,
-			"agg scd_query_agg_frame_cnt: %u\n",
-			le32_to_cpu(tx->agg.scd_query_agg_frame_cnt));
-	pos += scnprintf(buf + pos, bufsz - pos, "agg scd_query_no_agg: %u\n",
-			 le32_to_cpu(tx->agg.scd_query_no_agg));
-	pos += scnprintf(buf + pos, bufsz - pos, "agg scd_query_agg: %u\n",
-			 le32_to_cpu(tx->agg.scd_query_agg));
-	pos += scnprintf(buf + pos, bufsz - pos,
-			"agg scd_query_mismatch: %u\n",
-			le32_to_cpu(tx->agg.scd_query_mismatch));
-	pos += scnprintf(buf + pos, bufsz - pos, "agg frame_not_ready: %u\n",
-			 le32_to_cpu(tx->agg.frame_not_ready));
-	pos += scnprintf(buf + pos, bufsz - pos, "agg underrun: %u\n",
-			 le32_to_cpu(tx->agg.underrun));
-	pos += scnprintf(buf + pos, bufsz - pos, "agg bt_prio_kill: %u\n",
-			 le32_to_cpu(tx->agg.bt_prio_kill));
-	pos += scnprintf(buf + pos, bufsz - pos, "agg rx_ba_rsp_cnt: %u\n",
-			 le32_to_cpu(tx->agg.rx_ba_rsp_cnt));
+	pos += scnprintf(buf + pos, bufsz - pos,
+			"\t\t\tcurrent\t\t\taccumulative\n");
+	pos += scnprintf(buf + pos, bufsz - pos, "preamble:\t\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(tx->preamble_cnt),
+			 accum_tx->preamble_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "rx_detected_cnt:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(tx->rx_detected_cnt),
+			 accum_tx->rx_detected_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "bt_prio_defer_cnt:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(tx->bt_prio_defer_cnt),
+			 accum_tx->bt_prio_defer_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "bt_prio_kill_cnt:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(tx->bt_prio_kill_cnt),
+			 accum_tx->bt_prio_kill_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "few_bytes_cnt:\t\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(tx->few_bytes_cnt),
+			 accum_tx->few_bytes_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "cts_timeout:\t\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "ack_timeout:\t\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(tx->ack_timeout),
+			 accum_tx->ack_timeout);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "expected_ack_cnt:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(tx->expected_ack_cnt),
+			 accum_tx->expected_ack_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "actual_ack_cnt:\t\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(tx->actual_ack_cnt),
+			 accum_tx->actual_ack_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "dump_msdu_cnt:\t\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(tx->dump_msdu_cnt),
+			 accum_tx->dump_msdu_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "abort_nxt_frame_mismatch:"
+			 "\t%u\t\t\t%u\n",
+			 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
+			 accum_tx->burst_abort_next_frame_mismatch_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "abort_missing_nxt_frame:"
+			 "\t%u\t\t\t%u\n",
+			 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
+			 accum_tx->burst_abort_missing_next_frame_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "cts_timeout_collision:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(tx->cts_timeout_collision),
+			 accum_tx->cts_timeout_collision);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			"ack_ba_timeout_collision:\t%u\t\t\t%u\n",
+			 le32_to_cpu(tx->ack_or_ba_timeout_collision),
+			 accum_tx->ack_or_ba_timeout_collision);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "agg ba_timeout:\t\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(tx->agg.ba_timeout),
+			 accum_tx->agg.ba_timeout);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			"agg ba_resched_frames:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(tx->agg.ba_reschedule_frames),
+			 accum_tx->agg.ba_reschedule_frames);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			"agg scd_query_agg_frame:\t%u\t\t\t%u\n",
+			 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
+			 accum_tx->agg.scd_query_agg_frame_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "agg scd_query_no_agg:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(tx->agg.scd_query_no_agg),
+			 accum_tx->agg.scd_query_no_agg);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "agg scd_query_agg:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(tx->agg.scd_query_agg),
+			 accum_tx->agg.scd_query_agg);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			"agg scd_query_mismatch:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(tx->agg.scd_query_mismatch),
+			 accum_tx->agg.scd_query_mismatch);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "agg frame_not_ready:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(tx->agg.frame_not_ready),
+			 accum_tx->agg.frame_not_ready);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "agg underrun:\t\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(tx->agg.underrun),
+			 accum_tx->agg.underrun);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "agg bt_prio_kill:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(tx->agg.bt_prio_kill),
+			 accum_tx->agg.bt_prio_kill);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "agg rx_ba_rsp_cnt:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
+			 accum_tx->agg.rx_ba_rsp_cnt);
 
 	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 	kfree(buf);
@@ -1372,9 +1530,9 @@ static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
 	char *buf;
 	int bufsz = sizeof(struct statistics_general) * 4 + 250;
 	ssize_t ret;
-	struct statistics_general *general;
-	struct statistics_dbg *dbg;
-	struct statistics_div *div;
+	struct statistics_general *general, *accum_general;
+	struct statistics_dbg *dbg, *accum_dbg;
+	struct statistics_div *div, *accum_div;
 
 	if (!iwl_is_alive(priv))
 		return -EAGAIN;
@@ -1402,34 +1560,53 @@ static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
 	general = &priv->statistics.general;
 	dbg = &priv->statistics.general.dbg;
 	div = &priv->statistics.general.div;
+	accum_general = &priv->accum_statistics.general;
+	accum_dbg = &priv->accum_statistics.general.dbg;
+	accum_div = &priv->accum_statistics.general.div;
 	pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
 	pos += scnprintf(buf + pos, bufsz - pos, "Statistics_General:\n");
-	pos += scnprintf(buf + pos, bufsz - pos, "temperature: %u\n",
+	pos += scnprintf(buf + pos, bufsz - pos,
+			"\t\t\tcurrent\t\t\taccumulative\n");
+	pos += scnprintf(buf + pos, bufsz - pos, "temperature:\t\t\t%u\n",
 			 le32_to_cpu(general->temperature));
-	pos += scnprintf(buf + pos, bufsz - pos, "temperature_m: %u\n",
+	pos += scnprintf(buf + pos, bufsz - pos, "temperature_m:\t\t\t%u\n",
 			 le32_to_cpu(general->temperature_m));
-	pos += scnprintf(buf + pos, bufsz - pos, "burst_check: %u\n",
-			 le32_to_cpu(dbg->burst_check));
-	pos += scnprintf(buf + pos, bufsz - pos, "burst_count: %u\n",
-			 le32_to_cpu(dbg->burst_count));
-	pos += scnprintf(buf + pos, bufsz - pos, "sleep_time: %u\n",
-			 le32_to_cpu(general->sleep_time));
-	pos += scnprintf(buf + pos, bufsz - pos, "slots_out: %u\n",
-			 le32_to_cpu(general->slots_out));
-	pos += scnprintf(buf + pos, bufsz - pos, "slots_idle: %u\n",
-			 le32_to_cpu(general->slots_idle));
-	pos += scnprintf(buf + pos, bufsz - pos, "ttl_timestamp: %u\n",
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "burst_check:\t\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(dbg->burst_check),
+			 accum_dbg->burst_check);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "burst_count:\t\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(dbg->burst_count),
+			 accum_dbg->burst_count);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "sleep_time:\t\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(general->sleep_time),
+			 accum_general->sleep_time);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "slots_out:\t\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(general->slots_out),
+			 accum_general->slots_out);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "slots_idle:\t\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(general->slots_idle),
+			 accum_general->slots_idle);
+	pos += scnprintf(buf + pos, bufsz - pos, "ttl_timestamp:\t\t\t%u\n",
 			 le32_to_cpu(general->ttl_timestamp));
-	pos += scnprintf(buf + pos, bufsz - pos, "tx_on_a: %u\n",
-			 le32_to_cpu(div->tx_on_a));
-	pos += scnprintf(buf + pos, bufsz - pos, "tx_on_b: %u\n",
-			 le32_to_cpu(div->tx_on_b));
-	pos += scnprintf(buf + pos, bufsz - pos, "exec_time: %u\n",
-			 le32_to_cpu(div->exec_time));
-	pos += scnprintf(buf + pos, bufsz - pos, "probe_time: %u\n",
-			 le32_to_cpu(div->probe_time));
-	pos += scnprintf(buf + pos, bufsz - pos, "rx_enable_counter: %u\n",
-			 le32_to_cpu(general->rx_enable_counter));
+	pos += scnprintf(buf + pos, bufsz - pos, "tx_on_a:\t\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a);
+	pos += scnprintf(buf + pos, bufsz - pos, "tx_on_b:\t\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "exec_time:\t\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(div->exec_time), accum_div->exec_time);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "probe_time:\t\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(div->probe_time), accum_div->probe_time);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "rx_enable_counter:\t\t%u\t\t\t%u\n",
+			 le32_to_cpu(general->rx_enable_counter),
+			 accum_general->rx_enable_counter);
 	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 	kfree(buf);
 	return ret;
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 6d7c2350d8c..8d087f0455d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -1124,7 +1124,9 @@ struct iwl_priv {
 	struct iwl_tt_mgmt thermal_throttle;
 
 	struct iwl_notif_statistics statistics;
-	unsigned long last_statistics_time;
+#ifdef CONFIG_IWLWIFI_DEBUG
+	struct iwl_notif_statistics accum_statistics;
+#endif
 
 	/* context information */
 	u16 rates_mask;
diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c
index 493626bcd3e..7ad327ef9cb 100644
--- a/drivers/net/wireless/iwlwifi/iwl-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-rx.c
@@ -548,6 +548,44 @@ static void iwl_rx_calc_noise(struct iwl_priv *priv)
 			priv->last_rx_noise);
 }
 
+#ifdef CONFIG_IWLWIFI_DEBUG
+/*
+ *  based on the assumption of all statistics counter are in DWORD
+ *  FIXME: This function is for debugging, do not deal with
+ *  the case of counters roll-over.
+ */
+static void iwl_accumulative_statistics(struct iwl_priv *priv,
+					__le32 *stats)
+{
+	int i;
+	__le32 *prev_stats;
+	u32 *accum_stats;
+
+	prev_stats = (__le32 *)&priv->statistics;
+	accum_stats = (u32 *)&priv->accum_statistics;
+
+	for (i = sizeof(__le32); i < sizeof(struct iwl_notif_statistics);
+	     i += sizeof(__le32), stats++, prev_stats++, accum_stats++)
+		if (le32_to_cpu(*stats) > le32_to_cpu(*prev_stats))
+			*accum_stats += (le32_to_cpu(*stats) -
+				le32_to_cpu(*prev_stats));
+
+	/* reset accumulative statistics for "no-counter" type statistics */
+	priv->accum_statistics.general.temperature =
+		priv->statistics.general.temperature;
+	priv->accum_statistics.general.temperature_m =
+		priv->statistics.general.temperature_m;
+	priv->accum_statistics.general.ttl_timestamp =
+		priv->statistics.general.ttl_timestamp;
+	priv->accum_statistics.tx.tx_power.ant_a =
+		priv->statistics.tx.tx_power.ant_a;
+	priv->accum_statistics.tx.tx_power.ant_b =
+		priv->statistics.tx.tx_power.ant_b;
+	priv->accum_statistics.tx.tx_power.ant_c =
+		priv->statistics.tx.tx_power.ant_c;
+}
+#endif
+
 #define REG_RECALIB_PERIOD (60)
 
 void iwl_rx_statistics(struct iwl_priv *priv,
@@ -566,6 +604,9 @@ void iwl_rx_statistics(struct iwl_priv *priv,
 		    STATISTICS_REPLY_FLG_HT40_MODE_MSK) !=
 		   (pkt->u.stats.flag & STATISTICS_REPLY_FLG_HT40_MODE_MSK)));
 
+#ifdef CONFIG_IWLWIFI_DEBUG
+	iwl_accumulative_statistics(priv, (__le32 *)&pkt->u.stats);
+#endif
 	memcpy(&priv->statistics, &pkt->u.stats, sizeof(priv->statistics));
 
 	set_bit(STATUS_STATISTICS, &priv->status);
-- 
GitLab


From 37dc70fea870ced8fbd9ae786701529e7ce48f03 Mon Sep 17 00:00:00 2001
From: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Date: Fri, 9 Oct 2009 13:20:30 -0700
Subject: [PATCH 0477/1815] iwlwifi/iwl3945: unify rts_tx_cmd_flag

3945 and 4965 share the functionality for setting RTS and CTS to
the tx_cmd. Unify these functions and move the common
functionality to core.

Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-3945.c     |  1 +
 drivers/net/wireless/iwlwifi/iwl-4965.c     | 14 +-------------
 drivers/net/wireless/iwlwifi/iwl-core.c     | 17 +++++++++++++++++
 drivers/net/wireless/iwlwifi/iwl-core.h     |  2 ++
 drivers/net/wireless/iwlwifi/iwl3945-base.c |  9 +--------
 5 files changed, 22 insertions(+), 21 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index cee03e7fc2d..1372ce4a407 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -2826,6 +2826,7 @@ static struct iwl_lib_ops iwl3945_lib = {
 static struct iwl_hcmd_utils_ops iwl3945_hcmd_utils = {
 	.get_hcmd_size = iwl3945_get_hcmd_size,
 	.build_addsta_hcmd = iwl3945_build_addsta_hcmd,
+	.rts_tx_cmd_flag = iwlcore_rts_tx_cmd_flag,
 };
 
 static struct iwl_ops iwl3945_ops = {
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index c9d90169ab1..6d77039b4ed 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -484,18 +484,6 @@ static void iwl4965_gain_computation(struct iwl_priv *priv,
 	data->beacon_count = 0;
 }
 
-static void iwl4965_rts_tx_cmd_flag(struct ieee80211_tx_info *info,
-			__le32 *tx_flags)
-{
-	if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) {
-		*tx_flags |= TX_CMD_FLG_RTS_MSK;
-		*tx_flags &= ~TX_CMD_FLG_CTS_MSK;
-	} else if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
-		*tx_flags &= ~TX_CMD_FLG_RTS_MSK;
-		*tx_flags |= TX_CMD_FLG_CTS_MSK;
-	}
-}
-
 static void iwl4965_bg_txpower_work(struct work_struct *work)
 {
 	struct iwl_priv *priv = container_of(work, struct iwl_priv,
@@ -2212,7 +2200,7 @@ static struct iwl_hcmd_utils_ops iwl4965_hcmd_utils = {
 	.build_addsta_hcmd = iwl4965_build_addsta_hcmd,
 	.chain_noise_reset = iwl4965_chain_noise_reset,
 	.gain_computation = iwl4965_gain_computation,
-	.rts_tx_cmd_flag = iwl4965_rts_tx_cmd_flag,
+	.rts_tx_cmd_flag = iwlcore_rts_tx_cmd_flag,
 	.calc_rssi = iwl4965_calc_rssi,
 };
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index c40c7e2dacf..1e0021f9681 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -604,6 +604,23 @@ void iwlcore_free_geos(struct iwl_priv *priv)
 }
 EXPORT_SYMBOL(iwlcore_free_geos);
 
+/*
+ *  iwlcore_rts_tx_cmd_flag: Set rts/cts. 3945 and 4965 only share this
+ *  function.
+ */
+void iwlcore_rts_tx_cmd_flag(struct ieee80211_tx_info *info,
+				__le32 *tx_flags)
+{
+	if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) {
+		*tx_flags |= TX_CMD_FLG_RTS_MSK;
+		*tx_flags &= ~TX_CMD_FLG_CTS_MSK;
+	} else if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
+		*tx_flags &= ~TX_CMD_FLG_RTS_MSK;
+		*tx_flags |= TX_CMD_FLG_CTS_MSK;
+	}
+}
+EXPORT_SYMBOL(iwlcore_rts_tx_cmd_flag);
+
 static bool is_single_rx_stream(struct iwl_priv *priv)
 {
 	return !priv->current_ht_config.is_ht ||
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 3679c2ced04..cec673badf0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -329,6 +329,8 @@ int iwl_mac_get_tx_stats(struct ieee80211_hw *hw,
 void iwl_mac_reset_tsf(struct ieee80211_hw *hw);
 int iwl_alloc_txq_mem(struct iwl_priv *priv);
 void iwl_free_txq_mem(struct iwl_priv *priv);
+void iwlcore_rts_tx_cmd_flag(struct ieee80211_tx_info *info,
+				__le32 *tx_flags);
 #ifdef CONFIG_IWLWIFI_DEBUGFS
 int iwl_alloc_traffic_mem(struct iwl_priv *priv);
 void iwl_free_traffic_mem(struct iwl_priv *priv);
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 66da441fe36..f4d43531bfa 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -408,7 +408,6 @@ static void iwl3945_build_tx_cmd_basic(struct iwl_priv *priv,
 	struct iwl3945_tx_cmd *tx = (struct iwl3945_tx_cmd *)cmd->cmd.payload;
 	__le32 tx_flags = tx->tx_flags;
 	__le16 fc = hdr->frame_control;
-	u8 rc_flags = info->control.rates[0].flags;
 
 	tx->stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
 	if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
@@ -435,13 +434,7 @@ static void iwl3945_build_tx_cmd_basic(struct iwl_priv *priv,
 		tx_flags |= TX_CMD_FLG_SEQ_CTL_MSK;
 	}
 
-	if (rc_flags & IEEE80211_TX_RC_USE_RTS_CTS) {
-		tx_flags |= TX_CMD_FLG_RTS_MSK;
-		tx_flags &= ~TX_CMD_FLG_CTS_MSK;
-	} else if (rc_flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
-		tx_flags &= ~TX_CMD_FLG_RTS_MSK;
-		tx_flags |= TX_CMD_FLG_CTS_MSK;
-	}
+	priv->cfg->ops->utils->rts_tx_cmd_flag(info, &tx_flags);
 
 	if ((tx_flags & TX_CMD_FLG_RTS_MSK) || (tx_flags & TX_CMD_FLG_CTS_MSK))
 		tx_flags |= TX_CMD_FLG_FULL_TXOP_PROT_MSK;
-- 
GitLab


From 9744c91f91e9e467b38473a8b673324ae658ca88 Mon Sep 17 00:00:00 2001
From: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Date: Fri, 9 Oct 2009 13:20:31 -0700
Subject: [PATCH 0478/1815] iwl3945: rename tx to tx_cmd

Rename iwl3945_tx_cmd variable tx to tx_cmd for better
readability.

Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-3945.c     | 20 ++++----
 drivers/net/wireless/iwlwifi/iwl3945-base.c | 54 ++++++++++-----------
 2 files changed, 37 insertions(+), 37 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 1372ce4a407..a6944bc53fe 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -785,10 +785,10 @@ void iwl3945_hw_build_tx_cmd_rate(struct iwl_priv *priv,
 	u8 data_retry_limit;
 	__le32 tx_flags;
 	__le16 fc = hdr->frame_control;
-	struct iwl3945_tx_cmd *tx = (struct iwl3945_tx_cmd *)cmd->cmd.payload;
+	struct iwl3945_tx_cmd *tx_cmd = (struct iwl3945_tx_cmd *)cmd->cmd.payload;
 
 	rate = iwl3945_rates[rate_index].plcp;
-	tx_flags = tx->tx_flags;
+	tx_flags = tx_cmd->tx_flags;
 
 	/* We need to figure out how to get the sta->supp_rates while
 	 * in this running context */
@@ -825,22 +825,22 @@ void iwl3945_hw_build_tx_cmd_rate(struct iwl_priv *priv,
 		}
 	}
 
-	tx->rts_retry_limit = rts_retry_limit;
-	tx->data_retry_limit = data_retry_limit;
-	tx->rate = rate;
-	tx->tx_flags = tx_flags;
+	tx_cmd->rts_retry_limit = rts_retry_limit;
+	tx_cmd->data_retry_limit = data_retry_limit;
+	tx_cmd->rate = rate;
+	tx_cmd->tx_flags = tx_flags;
 
 	/* OFDM */
-	tx->supp_rates[0] =
+	tx_cmd->supp_rates[0] =
 	   ((rate_mask & IWL_OFDM_RATES_MASK) >> IWL_FIRST_OFDM_RATE) & 0xFF;
 
 	/* CCK */
-	tx->supp_rates[1] = (rate_mask & 0xF);
+	tx_cmd->supp_rates[1] = (rate_mask & 0xF);
 
 	IWL_DEBUG_RATE(priv, "Tx sta id: %d, rate: %d (plcp), flags: 0x%4X "
 		       "cck/ofdm mask: 0x%x/0x%x\n", sta_id,
-		       tx->rate, le32_to_cpu(tx->tx_flags),
-		       tx->supp_rates[1], tx->supp_rates[0]);
+		       tx_cmd->rate, le32_to_cpu(tx_cmd->tx_flags),
+		       tx_cmd->supp_rates[1], tx_cmd->supp_rates[0]);
 }
 
 u8 iwl3945_sync_sta(struct iwl_priv *priv, int sta_id, u16 tx_rate, u8 flags)
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index f4d43531bfa..03612b39459 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -365,13 +365,13 @@ static void iwl3945_build_tx_cmd_hwcrypto(struct iwl_priv *priv,
 				      struct sk_buff *skb_frag,
 				      int sta_id)
 {
-	struct iwl3945_tx_cmd *tx = (struct iwl3945_tx_cmd *)cmd->cmd.payload;
+	struct iwl3945_tx_cmd *tx_cmd = (struct iwl3945_tx_cmd *)cmd->cmd.payload;
 	struct iwl_hw_key *keyinfo = &priv->stations[sta_id].keyinfo;
 
 	switch (keyinfo->alg) {
 	case ALG_CCMP:
-		tx->sec_ctl = TX_CMD_SEC_CCM;
-		memcpy(tx->key, keyinfo->key, keyinfo->keylen);
+		tx_cmd->sec_ctl = TX_CMD_SEC_CCM;
+		memcpy(tx_cmd->key, keyinfo->key, keyinfo->keylen);
 		IWL_DEBUG_TX(priv, "tx_cmd with AES hwcrypto\n");
 		break;
 
@@ -379,13 +379,13 @@ static void iwl3945_build_tx_cmd_hwcrypto(struct iwl_priv *priv,
 		break;
 
 	case ALG_WEP:
-		tx->sec_ctl = TX_CMD_SEC_WEP |
+		tx_cmd->sec_ctl = TX_CMD_SEC_WEP |
 		    (info->control.hw_key->hw_key_idx & TX_CMD_SEC_MSK) << TX_CMD_SEC_SHIFT;
 
 		if (keyinfo->keylen == 13)
-			tx->sec_ctl |= TX_CMD_SEC_KEY128;
+			tx_cmd->sec_ctl |= TX_CMD_SEC_KEY128;
 
-		memcpy(&tx->key[3], keyinfo->key, keyinfo->keylen);
+		memcpy(&tx_cmd->key[3], keyinfo->key, keyinfo->keylen);
 
 		IWL_DEBUG_TX(priv, "Configuring packet for WEP encryption "
 			     "with key %d\n", info->control.hw_key->hw_key_idx);
@@ -405,11 +405,11 @@ static void iwl3945_build_tx_cmd_basic(struct iwl_priv *priv,
 				  struct ieee80211_tx_info *info,
 				  struct ieee80211_hdr *hdr, u8 std_id)
 {
-	struct iwl3945_tx_cmd *tx = (struct iwl3945_tx_cmd *)cmd->cmd.payload;
-	__le32 tx_flags = tx->tx_flags;
+	struct iwl3945_tx_cmd *tx_cmd = (struct iwl3945_tx_cmd *)cmd->cmd.payload;
+	__le32 tx_flags = tx_cmd->tx_flags;
 	__le16 fc = hdr->frame_control;
 
-	tx->stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
+	tx_cmd->stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
 	if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
 		tx_flags |= TX_CMD_FLG_ACK_MSK;
 		if (ieee80211_is_mgmt(fc))
@@ -422,13 +422,13 @@ static void iwl3945_build_tx_cmd_basic(struct iwl_priv *priv,
 		tx_flags |= TX_CMD_FLG_SEQ_CTL_MSK;
 	}
 
-	tx->sta_id = std_id;
+	tx_cmd->sta_id = std_id;
 	if (ieee80211_has_morefrags(fc))
 		tx_flags |= TX_CMD_FLG_MORE_FRAG_MSK;
 
 	if (ieee80211_is_data_qos(fc)) {
 		u8 *qc = ieee80211_get_qos_ctl(hdr);
-		tx->tid_tspec = qc[0] & 0xf;
+		tx_cmd->tid_tspec = qc[0] & 0xf;
 		tx_flags &= ~TX_CMD_FLG_SEQ_CTL_MSK;
 	} else {
 		tx_flags |= TX_CMD_FLG_SEQ_CTL_MSK;
@@ -442,16 +442,16 @@ static void iwl3945_build_tx_cmd_basic(struct iwl_priv *priv,
 	tx_flags &= ~(TX_CMD_FLG_ANT_SEL_MSK);
 	if (ieee80211_is_mgmt(fc)) {
 		if (ieee80211_is_assoc_req(fc) || ieee80211_is_reassoc_req(fc))
-			tx->timeout.pm_frame_timeout = cpu_to_le16(3);
+			tx_cmd->timeout.pm_frame_timeout = cpu_to_le16(3);
 		else
-			tx->timeout.pm_frame_timeout = cpu_to_le16(2);
+			tx_cmd->timeout.pm_frame_timeout = cpu_to_le16(2);
 	} else {
-		tx->timeout.pm_frame_timeout = 0;
+		tx_cmd->timeout.pm_frame_timeout = 0;
 	}
 
-	tx->driver_txop = 0;
-	tx->tx_flags = tx_flags;
-	tx->next_frame_len = 0;
+	tx_cmd->driver_txop = 0;
+	tx_cmd->tx_flags = tx_flags;
+	tx_cmd->next_frame_len = 0;
 }
 
 /*
@@ -461,7 +461,7 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 {
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
-	struct iwl3945_tx_cmd *tx;
+	struct iwl3945_tx_cmd *tx_cmd;
 	struct iwl_tx_queue *txq = NULL;
 	struct iwl_queue *q = NULL;
 	struct iwl_device_cmd *out_cmd;
@@ -560,9 +560,9 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 	/* Init first empty entry in queue's array of Tx/cmd buffers */
 	out_cmd = txq->cmd[idx];
 	out_meta = &txq->meta[idx];
-	tx = (struct iwl3945_tx_cmd *)out_cmd->cmd.payload;
+	tx_cmd = (struct iwl3945_tx_cmd *)out_cmd->cmd.payload;
 	memset(&out_cmd->hdr, 0, sizeof(out_cmd->hdr));
-	memset(tx, 0, sizeof(*tx));
+	memset(tx_cmd, 0, sizeof(*tx_cmd));
 
 	/*
 	 * Set up the Tx-command (not MAC!) header.
@@ -575,7 +575,7 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 				INDEX_TO_SEQ(q->write_ptr)));
 
 	/* Copy MAC header from skb into command buffer */
-	memcpy(tx->hdr, hdr, hdr_len);
+	memcpy(tx_cmd->hdr, hdr, hdr_len);
 
 
 	if (info->control.hw_key)
@@ -589,12 +589,12 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 
 	/* Total # bytes to be transmitted */
 	len = (u16)skb->len;
-	tx->len = cpu_to_le16(len);
+	tx_cmd->len = cpu_to_le16(len);
 
 	iwl_dbg_log_tx_data_frame(priv, len, hdr);
 	iwl_update_stats(priv, true, fc, len);
-	tx->tx_flags &= ~TX_CMD_FLG_ANT_A_MSK;
-	tx->tx_flags &= ~TX_CMD_FLG_ANT_B_MSK;
+	tx_cmd->tx_flags &= ~TX_CMD_FLG_ANT_A_MSK;
+	tx_cmd->tx_flags &= ~TX_CMD_FLG_ANT_B_MSK;
 
 	if (!ieee80211_has_morefrags(hdr->frame_control)) {
 		txq->need_update = 1;
@@ -607,9 +607,9 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 
 	IWL_DEBUG_TX(priv, "sequence nr = 0X%x \n",
 		     le16_to_cpu(out_cmd->hdr.sequence));
-	IWL_DEBUG_TX(priv, "tx_flags = 0X%x \n", le32_to_cpu(tx->tx_flags));
-	iwl_print_hex_dump(priv, IWL_DL_TX, tx, sizeof(*tx));
-	iwl_print_hex_dump(priv, IWL_DL_TX, (u8 *)tx->hdr,
+	IWL_DEBUG_TX(priv, "tx_flags = 0X%x \n", le32_to_cpu(tx_cmd->tx_flags));
+	iwl_print_hex_dump(priv, IWL_DL_TX, tx_cmd, sizeof(*tx_cmd));
+	iwl_print_hex_dump(priv, IWL_DL_TX, (u8 *)tx_cmd->hdr,
 			   ieee80211_hdrlen(fc));
 
 	/*
-- 
GitLab


From 1f0436f4702b7cdda22a38689cc1903822694a17 Mon Sep 17 00:00:00 2001
From: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Date: Fri, 9 Oct 2009 13:20:32 -0700
Subject: [PATCH 0479/1815] iwlwifi/iwl3945: remove data_retry_limit

Remove the ununsed variable data_retry_limit
from priv.

Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-3945.c     | 3 ---
 drivers/net/wireless/iwlwifi/iwl-core.c     | 1 -
 drivers/net/wireless/iwlwifi/iwl-dev.h      | 1 -
 drivers/net/wireless/iwlwifi/iwl-tx.c       | 4 +---
 drivers/net/wireless/iwlwifi/iwl3945-base.c | 1 -
 5 files changed, 1 insertion(+), 9 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index a6944bc53fe..eb874e08ba5 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -806,9 +806,6 @@ void iwl3945_hw_build_tx_cmd_rate(struct iwl_priv *priv,
 	} else
 		data_retry_limit = IWL_DEFAULT_TX_RETRY;
 
-	if (priv->data_retry_limit != -1)
-		data_retry_limit = priv->data_retry_limit;
-
 	if (ieee80211_is_mgmt(fc)) {
 		switch (fc & cpu_to_le16(IEEE80211_FCTL_STYPE)) {
 		case cpu_to_le16(IEEE80211_STYPE_AUTH):
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 1e0021f9681..2ae168af0f2 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1524,7 +1524,6 @@ int iwl_init_drv(struct iwl_priv *priv)
 	/* Clear the driver's (not device's) station table */
 	iwl_clear_stations_table(priv);
 
-	priv->data_retry_limit = -1;
 	priv->ieee_channels = NULL;
 	priv->ieee_rates = NULL;
 	priv->band = IEEE80211_BAND_2GHZ;
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 8d087f0455d..451aa65b1a5 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -1092,7 +1092,6 @@ struct iwl_priv {
 	u8 last_phy_res[100];
 
 	/* Rate scaling data */
-	s8 data_retry_limit;
 	u8 retry_rate;
 
 	wait_queue_head_t wait_command_queue;
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index 625da63d01e..d0bd7cd024a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -591,9 +591,7 @@ static void iwl_tx_cmd_build_rate(struct iwl_priv *priv,
 	u8 rate_plcp;
 
 	/* Set retry limit on DATA packets and Probe Responses*/
-	if (priv->data_retry_limit != -1)
-		data_retry_limit = priv->data_retry_limit;
-	else if (ieee80211_is_probe_resp(fc))
+	if (ieee80211_is_probe_resp(fc))
 		data_retry_limit = 3;
 	else
 		data_retry_limit = IWL_DEFAULT_TX_RETRY;
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 03612b39459..515f29b8a7a 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -3797,7 +3797,6 @@ static int iwl3945_init_drv(struct iwl_priv *priv)
 	/* Clear the driver's (not device's) station table */
 	iwl_clear_stations_table(priv);
 
-	priv->data_retry_limit = -1;
 	priv->ieee_channels = NULL;
 	priv->ieee_rates = NULL;
 	priv->band = IEEE80211_BAND_2GHZ;
-- 
GitLab


From 768db9829d0d45d57204714f18b54f7fc0561ddf Mon Sep 17 00:00:00 2001
From: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Date: Fri, 9 Oct 2009 13:20:33 -0700
Subject: [PATCH 0480/1815] iwl3945: rearrange the code.

Rearrange the code and groups setting of
retry_limit and data_retry_limits code together.
Make 'data_retry_limit' setting similar to iwlwifi
for better readability.

Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-3945.c | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index eb874e08ba5..8012381d371 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -794,17 +794,22 @@ void iwl3945_hw_build_tx_cmd_rate(struct iwl_priv *priv,
 	 * in this running context */
 	rate_mask = IWL_RATES_MASK;
 
+
+	/* Set retry limit on DATA packets and Probe Responses*/
+	if (ieee80211_is_probe_resp(fc))
+		data_retry_limit = 3;
+	else
+		data_retry_limit = IWL_DEFAULT_TX_RETRY;
+	tx_cmd->data_retry_limit = data_retry_limit;
+
 	if (tx_id >= IWL_CMD_QUEUE_NUM)
 		rts_retry_limit = 3;
 	else
 		rts_retry_limit = 7;
 
-	if (ieee80211_is_probe_resp(fc)) {
-		data_retry_limit = 3;
-		if (data_retry_limit < rts_retry_limit)
-			rts_retry_limit = data_retry_limit;
-	} else
-		data_retry_limit = IWL_DEFAULT_TX_RETRY;
+	if (data_retry_limit < rts_retry_limit)
+		rts_retry_limit = data_retry_limit;
+	tx_cmd->rts_retry_limit = rts_retry_limit;
 
 	if (ieee80211_is_mgmt(fc)) {
 		switch (fc & cpu_to_le16(IEEE80211_FCTL_STYPE)) {
@@ -822,8 +827,6 @@ void iwl3945_hw_build_tx_cmd_rate(struct iwl_priv *priv,
 		}
 	}
 
-	tx_cmd->rts_retry_limit = rts_retry_limit;
-	tx_cmd->data_retry_limit = data_retry_limit;
 	tx_cmd->rate = rate;
 	tx_cmd->tx_flags = tx_flags;
 
-- 
GitLab


From e57f14895bf6bc7f16df760963427ac6ee6ff7e1 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 9 Oct 2009 13:20:34 -0700
Subject: [PATCH 0481/1815] iwlwifi: update channel switch command API

Channel switch host command has different data structure for
different devices. Adding additional structures to support 5000 and 6000
NICs. unlike 4965, starting with 5000 series, the tx power is managed by
uCode, there is no tx power db information need to be passing from driver to
uCode; but the space needs to be reserved to match uCode expection.

1000 NIC do not support channel switch operation since it is 'bgn'
device, there is no need to have data structure defined for it.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-commands.h | 47 ++++++++++++++++++++-
 1 file changed, 46 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 2e8a55ed7de..cc4e9122709 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -353,6 +353,9 @@ struct iwl3945_power_per_rate {
 #define POWER_TABLE_NUM_HT_OFDM_ENTRIES		32
 #define POWER_TABLE_CCK_ENTRY			32
 
+#define IWL_PWR_NUM_HT_OFDM_ENTRIES		24
+#define IWL_PWR_CCK_ENTRIES			2
+
 /**
  * union iwl4965_tx_power_dual_stream
  *
@@ -803,7 +806,7 @@ struct iwl3945_channel_switch_cmd {
 	struct iwl3945_power_per_rate power[IWL_MAX_RATES];
 } __attribute__ ((packed));
 
-struct iwl_channel_switch_cmd {
+struct iwl4965_channel_switch_cmd {
 	u8 band;
 	u8 expect_beacon;
 	__le16 channel;
@@ -813,6 +816,48 @@ struct iwl_channel_switch_cmd {
 	struct iwl4965_tx_power_db tx_power;
 } __attribute__ ((packed));
 
+/**
+ * struct iwl5000_channel_switch_cmd
+ * @band: 0- 5.2GHz, 1- 2.4GHz
+ * @expect_beacon: 0- resume transmits after channel switch
+ *		   1- wait for beacon to resume transmits
+ * @channel: new channel number
+ * @rxon_flags: Rx on flags
+ * @rxon_filter_flags: filtering parameters
+ * @switch_time: switch time in extended beacon format
+ * @reserved: reserved bytes
+ */
+struct iwl5000_channel_switch_cmd {
+	u8 band;
+	u8 expect_beacon;
+	__le16 channel;
+	__le32 rxon_flags;
+	__le32 rxon_filter_flags;
+	__le32 switch_time;
+	__le32 reserved[2][IWL_PWR_NUM_HT_OFDM_ENTRIES + IWL_PWR_CCK_ENTRIES];
+} __attribute__ ((packed));
+
+/**
+ * struct iwl6000_channel_switch_cmd
+ * @band: 0- 5.2GHz, 1- 2.4GHz
+ * @expect_beacon: 0- resume transmits after channel switch
+ *		   1- wait for beacon to resume transmits
+ * @channel: new channel number
+ * @rxon_flags: Rx on flags
+ * @rxon_filter_flags: filtering parameters
+ * @switch_time: switch time in extended beacon format
+ * @reserved: reserved bytes
+ */
+struct iwl6000_channel_switch_cmd {
+	u8 band;
+	u8 expect_beacon;
+	__le16 channel;
+	__le32 rxon_flags;
+	__le32 rxon_filter_flags;
+	__le32 switch_time;
+	__le32 reserved[3][IWL_PWR_NUM_HT_OFDM_ENTRIES + IWL_PWR_CCK_ENTRIES];
+} __attribute__ ((packed));
+
 /*
  * CHANNEL_SWITCH_NOTIFICATION = 0x73 (notification only, not a command)
  */
-- 
GitLab


From 25a7dc6d22adda590be4932ebc772ea35914880c Mon Sep 17 00:00:00 2001
From: Luciano Coelho <luciano.coelho@nokia.com>
Date: Mon, 12 Oct 2009 15:08:42 +0300
Subject: [PATCH 0482/1815] wl1271: implement cmd_disconnect

This patch implements the CMD_DISCONNECT command, which should be sent to the
firmware when we are disassociated.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_cmd.c | 32 +++++++++++++++++++++++-
 drivers/net/wireless/wl12xx/wl1271_cmd.h | 27 ++++++++++++++++++++
 2 files changed, 58 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c
index ac93efd53f2..d09ad121197 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.c
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c
@@ -191,7 +191,6 @@ int wl1271_cmd_join(struct wl1271 *wl)
 			do_cal = false;
 	}
 
-
 	join = kzalloc(sizeof(*join), GFP_KERNEL);
 	if (!join) {
 		ret = -ENOMEM;
@@ -825,3 +824,34 @@ out:
 
 	return ret;
 }
+
+int wl1271_cmd_disconnect(struct wl1271 *wl)
+{
+	struct wl1271_cmd_disconnect *cmd;
+	int ret = 0;
+
+	wl1271_debug(DEBUG_CMD, "cmd disconnect");
+
+	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+	if (!cmd) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	cmd->rx_config_options = wl->rx_config;
+	cmd->rx_filter_options = wl->rx_filter;
+	/* disconnect reason is not used in immediate disconnections */
+	cmd->type = DISCONNECT_IMMEDIATE;
+
+	ret = wl1271_cmd_send(wl, CMD_DISCONNECT, cmd, sizeof(*cmd));
+	if (ret < 0) {
+		wl1271_error("failed to send disconnect command");
+		goto out_free;
+	}
+
+out_free:
+	kfree(cmd);
+
+out:
+	return ret;
+}
diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.h b/drivers/net/wireless/wl12xx/wl1271_cmd.h
index 63bc4417deb..0219664765e 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.h
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.h
@@ -50,6 +50,7 @@ int wl1271_cmd_set_default_wep_key(struct wl1271 *wl, u8 id);
 int wl1271_cmd_set_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type,
 		       u8 key_size, const u8 *key, const u8 *addr,
 		       u32 tx_seq_32, u16 tx_seq_16);
+int wl1271_cmd_disconnect(struct wl1271 *wl);
 
 enum wl1271_commands {
 	CMD_INTERROGATE     = 1,    /*use this to read information elements*/
@@ -461,4 +462,30 @@ struct wl1271_cmd_cal_p2g {
 	u8  padding2;
 } __attribute__ ((packed));
 
+
+/*
+ * There are three types of disconnections:
+ *
+ * DISCONNECT_IMMEDIATE: the fw doesn't send any frames
+ * DISCONNECT_DEAUTH:    the fw generates a DEAUTH request with the reason
+ *                       we have passed
+ * DISCONNECT_DISASSOC:  the fw generates a DESASSOC request with the reason
+ *                       we have passed
+ */
+enum wl1271_disconnect_type {
+	DISCONNECT_IMMEDIATE,
+	DISCONNECT_DEAUTH,
+	DISCONNECT_DISASSOC
+};
+
+struct wl1271_cmd_disconnect {
+	u32 rx_config_options;
+	u32 rx_filter_options;
+
+	u16 reason;
+	u8  type;
+
+	u8  padding;
+} __attribute__ ((packed));
+
 #endif /* __WL1271_CMD_H__ */
-- 
GitLab


From d6e19d135dadb1895296668914d0a15bc3cafcbf Mon Sep 17 00:00:00 2001
From: Luciano Coelho <luciano.coelho@nokia.com>
Date: Mon, 12 Oct 2009 15:08:43 +0300
Subject: [PATCH 0483/1815] wl1271: workaround to send a disconnect before
 rejoining

We don't get any indication from the stack when we have disassociated.  In
wl1271, it is important to send a CMD_DISCONNECT before joining again,
because the firmware cleans some things up.  So we check if we're already
joined and disconnect if that's the case.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271.h      |  3 +++
 drivers/net/wireless/wl12xx/wl1271_cmd.c  | 15 +++++++++++++++
 drivers/net/wireless/wl12xx/wl1271_main.c |  3 +++
 3 files changed, 21 insertions(+)

diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h
index 96a58131694..858bf6b160a 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl1271.h
@@ -422,6 +422,9 @@ struct wl1271 {
 	struct wl1271_tx_hw_res_if *tx_res_if;
 
 	struct ieee80211_vif *vif;
+
+	/* Used for a workaround to send disconnect before rejoining */
+	bool joined;
 };
 
 int wl1271_plt_start(struct wl1271 *wl);
diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c
index d09ad121197..ef92834e0e8 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.c
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c
@@ -191,6 +191,19 @@ int wl1271_cmd_join(struct wl1271 *wl)
 			do_cal = false;
 	}
 
+	/* FIXME: This is a workaround, because with the current stack, we
+	 * cannot know when we have disassociated.  So, if we have already
+	 * joined, we disconnect before joining again. */
+	if (wl->joined) {
+		ret = wl1271_cmd_disconnect(wl);
+		if (ret < 0) {
+			wl1271_error("failed to disconnect before rejoining");
+			goto out;
+		}
+
+		wl->joined = false;
+	}
+
 	join = kzalloc(sizeof(*join), GFP_KERNEL);
 	if (!join) {
 		ret = -ENOMEM;
@@ -245,6 +258,8 @@ int wl1271_cmd_join(struct wl1271 *wl)
 		goto out_free;
 	}
 
+	wl->joined = true;
+
 	/*
 	 * ugly hack: we should wait for JOIN_EVENT_COMPLETE_ID but to
 	 * simplify locking we just sleep instead, for now
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 3662715c031..b9f20918a25 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -648,6 +648,8 @@ static void wl1271_op_stop(struct ieee80211_hw *hw)
 	wl->tx_security_seq_32 = 0;
 	wl->time_offset = 0;
 	wl->session_counter = 0;
+	wl->joined = false;
+
 	for (i = 0; i < NUM_TX_QUEUES; i++)
 		wl->tx_blocks_freed[i] = 0;
 
@@ -1395,6 +1397,7 @@ static int __devinit wl1271_probe(struct spi_device *spi)
 	wl->basic_rate_set = WL1271_DEFAULT_BASIC_RATE_SET;
 	wl->band = IEEE80211_BAND_2GHZ;
 	wl->vif = NULL;
+	wl->joined = false;
 
 	for (i = 0; i < ACX_TX_DESCRIPTORS; i++)
 		wl->tx_frames[i] = NULL;
-- 
GitLab


From ac78403e149cae56efa75ba025e7e717c4ad01ed Mon Sep 17 00:00:00 2001
From: Luciano Coelho <luciano.coelho@nokia.com>
Date: Mon, 12 Oct 2009 15:08:44 +0300
Subject: [PATCH 0484/1815] wl1271: add workaround to avoid distortion due to
 excessive tx power

We still don't have proper calibration for our devices, so we are using way
too much power for TX, which causes a lot of distortion.  This hack hardcodes
the txpower to 7dBm.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_acx.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.c b/drivers/net/wireless/wl12xx/wl1271_acx.c
index b9dfa094f04..d5dac5753ae 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.c
@@ -137,7 +137,12 @@ int wl1271_acx_tx_power(struct wl1271 *wl, int power)
 		goto out;
 	}
 
-	acx->current_tx_power = power * 10;
+	/*
+	 * FIXME: This is a workaround needed while we don't the correct
+	 * calibration, to avoid distortions
+	 */
+	/* acx->current_tx_power = power * 10; */
+	acx->current_tx_power = 70;
 
 	ret = wl1271_cmd_configure(wl, DOT11_CUR_TX_PWR, acx, sizeof(*acx));
 	if (ret < 0) {
-- 
GitLab


From 37079a831d8194e138c03663b7cab281ab1dc181 Mon Sep 17 00:00:00 2001
From: Luciano Coelho <luciano.coelho@nokia.com>
Date: Mon, 12 Oct 2009 15:08:45 +0300
Subject: [PATCH 0485/1815] wl1271: enable HW_AVAILABLE interrupt to fix ELP

We need to listen to HW_AVAILABLE interrupts when using ELP with firmware
revision 6.1.0.0.241.  Add WL1271_ACX_INTR_HW_AVAILABLE to the interrupts that
are enabled by default.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_acx.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.h b/drivers/net/wireless/wl12xx/wl1271_acx.h
index 0c2a1073449..07256d280e5 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.h
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.h
@@ -61,8 +61,9 @@
 					    WL1271_ACX_INTR_HW_AVAILABLE  | \
 					    WL1271_ACX_INTR_DATA)
 
-#define WL1271_INTR_MASK                   (WL1271_ACX_INTR_EVENT_A |	\
-					    WL1271_ACX_INTR_EVENT_B | \
+#define WL1271_INTR_MASK                   (WL1271_ACX_INTR_EVENT_A      | \
+					    WL1271_ACX_INTR_EVENT_B      | \
+					    WL1271_ACX_INTR_HW_AVAILABLE | \
 					    WL1271_ACX_INTR_DATA)
 
 /* Target's information element */
-- 
GitLab


From 451de97adb4d0f101f3befc881a548adb47c467a Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Mon, 12 Oct 2009 15:08:46 +0300
Subject: [PATCH 0486/1815] wl1271: Update memory mapping for firmware revision
 6.1.0.0.241

Update the memory regions and memory mapping to support firmware revision
6.1.0.0.241.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271.h      |   7 +-
 drivers/net/wireless/wl12xx/wl1271_boot.c |  67 ++++----
 drivers/net/wireless/wl12xx/wl1271_main.c |  10 +-
 drivers/net/wireless/wl12xx/wl1271_spi.c  | 178 ++++++++--------------
 drivers/net/wireless/wl12xx/wl1271_spi.h  |  15 +-
 5 files changed, 116 insertions(+), 161 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h
index 858bf6b160a..b2bc7b59d64 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl1271.h
@@ -148,6 +148,8 @@ struct wl1271_partition {
 struct wl1271_partition_set {
 	struct wl1271_partition mem;
 	struct wl1271_partition reg;
+	struct wl1271_partition mem2;
+	struct wl1271_partition mem3;
 };
 
 struct wl1271;
@@ -302,10 +304,7 @@ struct wl1271 {
 	enum wl1271_state state;
 	struct mutex mutex;
 
-	int physical_mem_addr;
-	int physical_reg_addr;
-	int virtual_mem_addr;
-	int virtual_reg_addr;
+	struct wl1271_partition_set part;
 
 	struct wl1271_chip chip;
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.c b/drivers/net/wireless/wl12xx/wl1271_boot.c
index 140e94348bc..2eb7836c9ac 100644
--- a/drivers/net/wireless/wl12xx/wl1271_boot.c
+++ b/drivers/net/wireless/wl12xx/wl1271_boot.c
@@ -39,6 +39,14 @@ static struct wl1271_partition_set part_table[PART_TABLE_LEN] = {
 			.start = REGISTERS_BASE,
 			.size  = 0x00008800
 		},
+		.mem2 = {
+			.start = 0x00000000,
+			.size  = 0x00000000
+		},
+		.mem3 = {
+			.start = 0x00000000,
+			.size  = 0x00000000
+		},
 	},
 
 	[PART_WORK] = {
@@ -48,7 +56,15 @@ static struct wl1271_partition_set part_table[PART_TABLE_LEN] = {
 		},
 		.reg = {
 			.start = REGISTERS_BASE,
-			.size  = 0x0000b000
+			.size  = 0x0000a000
+		},
+		.mem2 = {
+			.start = 0x003004f8,
+			.size  = 0x00000004
+		},
+		.mem3 = {
+			.start = 0x00040404,
+			.size  = 0x00000000
 		},
 	},
 
@@ -60,6 +76,14 @@ static struct wl1271_partition_set part_table[PART_TABLE_LEN] = {
 		.reg = {
 			.start = DRPW_BASE,
 			.size  = 0x00006000
+		},
+		.mem2 = {
+			.start = 0x00000000,
+			.size  = 0x00000000
+		},
+		.mem3 = {
+			.start = 0x00000000,
+			.size  = 0x00000000
 		}
 	}
 };
@@ -93,6 +117,7 @@ static void wl1271_boot_fw_version(struct wl1271 *wl)
 static int wl1271_boot_upload_firmware_chunk(struct wl1271 *wl, void *buf,
 					     size_t fw_data_len, u32 dest)
 {
+	struct wl1271_partition_set partition;
 	int addr, chunk_num, partition_limit;
 	u8 *p, *chunk;
 
@@ -114,10 +139,9 @@ static int wl1271_boot_upload_firmware_chunk(struct wl1271 *wl, void *buf,
 		return -ENOMEM;
 	}
 
-	wl1271_set_partition(wl, dest,
-			     part_table[PART_DOWN].mem.size,
-			     part_table[PART_DOWN].reg.start,
-			     part_table[PART_DOWN].reg.size);
+	memcpy(&partition, &part_table[PART_DOWN], sizeof(partition));
+	partition.mem.start = dest;
+	wl1271_set_partition(wl, &partition);
 
 	/* 10.1 set partition limit and chunk num */
 	chunk_num = 0;
@@ -130,13 +154,8 @@ static int wl1271_boot_upload_firmware_chunk(struct wl1271 *wl, void *buf,
 			addr = dest + chunk_num * CHUNK_SIZE;
 			partition_limit = chunk_num * CHUNK_SIZE +
 				part_table[PART_DOWN].mem.size;
-
-			/* FIXME: Over 80 chars! */
-			wl1271_set_partition(wl,
-					     addr,
-					     part_table[PART_DOWN].mem.size,
-					     part_table[PART_DOWN].reg.start,
-					     part_table[PART_DOWN].reg.size);
+			partition.mem.start = addr;
+			wl1271_set_partition(wl, &partition);
 		}
 
 		/* 10.3 upload the chunk */
@@ -261,11 +280,7 @@ static int wl1271_boot_upload_nvs(struct wl1271 *wl)
 	/* FIXME: The driver sets the partition here, but this is not needed,
 	   since it sets to the same one as currently in use */
 	/* Now we must set the partition correctly */
-	wl1271_set_partition(wl,
-			     part_table[PART_WORK].mem.start,
-			     part_table[PART_WORK].mem.size,
-			     part_table[PART_WORK].reg.start,
-			     part_table[PART_WORK].reg.size);
+	wl1271_set_partition(wl, &part_table[PART_WORK]);
 
 	/* Copy the NVS tables to a new block to ensure alignment */
 	nvs_aligned = kmemdup(nvs_ptr, nvs_len, GFP_KERNEL);
@@ -371,11 +386,7 @@ static int wl1271_boot_run_firmware(struct wl1271 *wl)
 	wl->event_box_addr = wl1271_reg_read32(wl, REG_EVENT_MAILBOX_PTR);
 
 	/* set the working partition to its "running" mode offset */
-	wl1271_set_partition(wl,
-			     part_table[PART_WORK].mem.start,
-			     part_table[PART_WORK].mem.size,
-			     part_table[PART_WORK].reg.start,
-			     part_table[PART_WORK].reg.size);
+	wl1271_set_partition(wl, &part_table[PART_WORK]);
 
 	wl1271_debug(DEBUG_MAILBOX, "cmd_box_addr 0x%x event_box_addr 0x%x",
 		     wl->cmd_box_addr, wl->event_box_addr);
@@ -469,11 +480,7 @@ int wl1271_boot(struct wl1271 *wl)
 	wl1271_reg_write32(wl, WELP_ARM_COMMAND, WELP_ARM_COMMAND_VAL);
 	udelay(500);
 
-	wl1271_set_partition(wl,
-			     part_table[PART_DRPW].mem.start,
-			     part_table[PART_DRPW].mem.size,
-			     part_table[PART_DRPW].reg.start,
-			     part_table[PART_DRPW].reg.size);
+	wl1271_set_partition(wl, &part_table[PART_DRPW]);
 
 	/* Read-modify-write DRPW_SCRATCH_START register (see next state)
 	   to be used by DRPw FW. The RTRIM value will be added by the FW
@@ -488,11 +495,7 @@ int wl1271_boot(struct wl1271 *wl)
 	clk |= (REF_CLOCK << 1) << 4;
 	wl1271_reg_write32(wl, DRPW_SCRATCH_START, clk);
 
-	wl1271_set_partition(wl,
-			     part_table[PART_WORK].mem.start,
-			     part_table[PART_WORK].mem.size,
-			     part_table[PART_WORK].reg.start,
-			     part_table[PART_WORK].reg.size);
+	wl1271_set_partition(wl, &part_table[PART_WORK]);
 
 	/* Disable interrupts */
 	wl1271_reg_write32(wl, ACX_REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL);
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index b9f20918a25..22d44ba2e96 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -315,6 +315,7 @@ static int wl1271_setup(struct wl1271 *wl)
 
 static int wl1271_chip_wakeup(struct wl1271 *wl)
 {
+	struct wl1271_partition_set partition;
 	int ret = 0;
 
 	wl1271_power_on(wl);
@@ -324,11 +325,10 @@ static int wl1271_chip_wakeup(struct wl1271 *wl)
 
 	/* We don't need a real memory partition here, because we only want
 	 * to use the registers at this point. */
-	wl1271_set_partition(wl,
-			     0x00000000,
-			     0x00000000,
-			     REGISTERS_BASE,
-			     REGISTERS_DOWN_SIZE);
+	memset(&partition, 0, sizeof(partition));
+	partition.reg.start = REGISTERS_BASE;
+	partition.reg.size = REGISTERS_DOWN_SIZE;
+	wl1271_set_partition(wl, &partition);
 
 	/* ELP module wake up */
 	wl1271_fw_wakeup(wl);
diff --git a/drivers/net/wireless/wl12xx/wl1271_spi.c b/drivers/net/wireless/wl12xx/wl1271_spi.c
index 504991acb05..367f2d3319a 100644
--- a/drivers/net/wireless/wl12xx/wl1271_spi.c
+++ b/drivers/net/wireless/wl12xx/wl1271_spi.c
@@ -30,17 +30,29 @@
 #include "wl12xx_80211.h"
 #include "wl1271_spi.h"
 
-static int wl1271_translate_reg_addr(struct wl1271 *wl, int addr)
+static int wl1271_translate_addr(struct wl1271 *wl, int addr)
 {
-	return addr - wl->physical_reg_addr + wl->virtual_reg_addr;
-}
-
-static int wl1271_translate_mem_addr(struct wl1271 *wl, int addr)
-{
-	return addr - wl->physical_mem_addr + wl->virtual_mem_addr;
+	/*
+	 * To translate, first check to which window of addresses the
+	 * particular address belongs. Then subtract the starting address
+	 * of that window from the address. Then, add offset of the
+	 * translated region.
+	 *
+	 * The translated regions occur next to each other in physical device
+	 * memory, so just add the sizes of the preceeding address regions to
+	 * get the offset to the new region.
+	 *
+	 * Currently, only the two first regions are addressed, and the
+	 * assumption is that all addresses will fall into either of those
+	 * two.
+	 */
+	if ((addr >= wl->part.reg.start) &&
+	    (addr < wl->part.reg.start + wl->part.reg.size))
+		return addr - wl->part.reg.start + wl->part.mem.size;
+	else
+		return addr - wl->part.mem.start;
 }
 
-
 void wl1271_spi_reset(struct wl1271 *wl)
 {
 	u8 *cmd;
@@ -123,123 +135,61 @@ void wl1271_spi_init(struct wl1271 *wl)
 
 /* Set the SPI partitions to access the chip addresses
  *
- * There are two VIRTUAL (SPI) partitions (the memory partition and the
- * registers partition), which are mapped to two different areas of the
- * PHYSICAL (hardware) memory.  This function also makes other checks to
- * ensure that the partitions are not overlapping.  In the diagram below, the
- * memory partition comes before the register partition, but the opposite is
- * also supported.
+ * To simplify driver code, a fixed (virtual) memory map is defined for
+ * register and memory addresses. Because in the chipset, in different stages
+ * of operation, those addresses will move around, an address translation
+ * mechanism is required.
  *
- *                               PHYSICAL address
+ * There are four partitions (three memory and one register partition),
+ * which are mapped to two different areas of the hardware memory.
+ *
+ *                                Virtual address
  *                                     space
  *
  *                                    |    |
- *                                 ...+----+--> mem_start
- *          VIRTUAL address     ...   |    |
+ *                                 ...+----+--> mem.start
+ *          Physical address    ...   |    |
  *               space       ...      |    | [PART_0]
  *                        ...         |    |
- * 0x00000000 <--+----+...         ...+----+--> mem_start + mem_size
+ *  00000000  <--+----+...         ...+----+--> mem.start + mem.size
  *               |    |         ...   |    |
  *               |MEM |      ...      |    |
  *               |    |   ...         |    |
- *  part_size <--+----+...            |    | {unused area)
+ *  mem.size  <--+----+...            |    | {unused area)
  *               |    |   ...         |    |
  *               |REG |      ...      |    |
- *  part_size    |    |         ...   |    |
- *      +     <--+----+...         ...+----+--> reg_start
- *  reg_size              ...         |    |
- *                           ...      |    | [PART_1]
- *                              ...   |    |
- *                                 ...+----+--> reg_start + reg_size
+ *  mem.size     |    |         ...   |    |
+ *      +     <--+----+...         ...+----+--> reg.start
+ *  reg.size     |    |   ...         |    |
+ *               |MEM2|      ...      |    | [PART_1]
+ *               |    |         ...   |    |
+ *                                 ...+----+--> reg.start + reg.size
  *                                    |    |
  *
  */
 int wl1271_set_partition(struct wl1271 *wl,
-			  u32 mem_start, u32 mem_size,
-			  u32 reg_start, u32 reg_size)
+			 struct wl1271_partition_set *p)
 {
-	struct wl1271_partition *partition;
-	struct spi_transfer t;
-	struct spi_message m;
-	size_t len, cmd_len;
-	u32 *cmd;
-	int addr;
-
-	cmd_len = sizeof(u32) + 2 * sizeof(struct wl1271_partition);
-	cmd = kzalloc(cmd_len, GFP_KERNEL);
-	if (!cmd)
-		return -ENOMEM;
-
-	spi_message_init(&m);
-	memset(&t, 0, sizeof(t));
-
-	partition = (struct wl1271_partition *) (cmd + 1);
-	addr = HW_ACCESS_PART0_SIZE_ADDR;
-	len = 2 * sizeof(struct wl1271_partition);
-
-	*cmd |= WSPI_CMD_WRITE;
-	*cmd |= (len << WSPI_CMD_BYTE_LENGTH_OFFSET) & WSPI_CMD_BYTE_LENGTH;
-	*cmd |= addr & WSPI_CMD_BYTE_ADDR;
+	/* copy partition info */
+	memcpy(&wl->part, p, sizeof(*p));
 
 	wl1271_debug(DEBUG_SPI, "mem_start %08X mem_size %08X",
-		     mem_start, mem_size);
+		     p->mem.start, p->mem.size);
 	wl1271_debug(DEBUG_SPI, "reg_start %08X reg_size %08X",
-		     reg_start, reg_size);
-
-	/* Make sure that the two partitions together don't exceed the
-	 * address range */
-	if ((mem_size + reg_size) > HW_ACCESS_MEMORY_MAX_RANGE) {
-		wl1271_debug(DEBUG_SPI, "Total size exceeds maximum virtual"
-			     " address range.  Truncating partition[0].");
-		mem_size = HW_ACCESS_MEMORY_MAX_RANGE - reg_size;
-		wl1271_debug(DEBUG_SPI, "mem_start %08X mem_size %08X",
-			     mem_start, mem_size);
-		wl1271_debug(DEBUG_SPI, "reg_start %08X reg_size %08X",
-			     reg_start, reg_size);
-	}
-
-	if ((mem_start < reg_start) &&
-	    ((mem_start + mem_size) > reg_start)) {
-		/* Guarantee that the memory partition doesn't overlap the
-		 * registers partition */
-		wl1271_debug(DEBUG_SPI, "End of partition[0] is "
-			     "overlapping partition[1].  Adjusted.");
-		mem_size = reg_start - mem_start;
-		wl1271_debug(DEBUG_SPI, "mem_start %08X mem_size %08X",
-			     mem_start, mem_size);
-		wl1271_debug(DEBUG_SPI, "reg_start %08X reg_size %08X",
-			     reg_start, reg_size);
-	} else if ((reg_start < mem_start) &&
-		   ((reg_start + reg_size) > mem_start)) {
-		/* Guarantee that the register partition doesn't overlap the
-		 * memory partition */
-		wl1271_debug(DEBUG_SPI, "End of partition[1] is"
-			     " overlapping partition[0].  Adjusted.");
-		reg_size = mem_start - reg_start;
-		wl1271_debug(DEBUG_SPI, "mem_start %08X mem_size %08X",
-			     mem_start, mem_size);
-		wl1271_debug(DEBUG_SPI, "reg_start %08X reg_size %08X",
-			     reg_start, reg_size);
-	}
-
-	partition[0].start = mem_start;
-	partition[0].size  = mem_size;
-	partition[1].start = reg_start;
-	partition[1].size  = reg_size;
-
-	wl->physical_mem_addr = mem_start;
-	wl->physical_reg_addr = reg_start;
-
-	wl->virtual_mem_addr = 0;
-	wl->virtual_reg_addr = mem_size;
-
-	t.tx_buf = cmd;
-	t.len = cmd_len;
-	spi_message_add_tail(&t, &m);
-
-	spi_sync(wl->spi, &m);
-
-	kfree(cmd);
+		     p->reg.start, p->reg.size);
+	wl1271_debug(DEBUG_SPI, "mem2_start %08X mem2_size %08X",
+		     p->mem2.start, p->mem2.size);
+	wl1271_debug(DEBUG_SPI, "mem3_start %08X mem3_size %08X",
+		     p->mem3.start, p->mem3.size);
+
+	/* write partition info to the chipset */
+	wl1271_write32(wl, HW_PART0_START_ADDR, p->mem.start);
+	wl1271_write32(wl, HW_PART0_SIZE_ADDR, p->mem.size);
+	wl1271_write32(wl, HW_PART1_START_ADDR, p->reg.start);
+	wl1271_write32(wl, HW_PART1_SIZE_ADDR, p->reg.size);
+	wl1271_write32(wl, HW_PART2_START_ADDR, p->mem2.start);
+	wl1271_write32(wl, HW_PART2_SIZE_ADDR, p->mem2.size);
+	wl1271_write32(wl, HW_PART3_START_ADDR, p->mem3.start);
 
 	return 0;
 }
@@ -391,7 +341,7 @@ void wl1271_spi_mem_read(struct wl1271 *wl, int addr, void *buf,
 {
 	int physical;
 
-	physical = wl1271_translate_mem_addr(wl, addr);
+	physical = wl1271_translate_addr(wl, addr);
 
 	wl1271_spi_read(wl, physical, buf, len, false);
 }
@@ -401,7 +351,7 @@ void wl1271_spi_mem_write(struct wl1271 *wl, int addr, void *buf,
 {
 	int physical;
 
-	physical = wl1271_translate_mem_addr(wl, addr);
+	physical = wl1271_translate_addr(wl, addr);
 
 	wl1271_spi_write(wl, physical, buf, len, false);
 }
@@ -411,7 +361,7 @@ void wl1271_spi_reg_read(struct wl1271 *wl, int addr, void *buf, size_t len,
 {
 	int physical;
 
-	physical = wl1271_translate_reg_addr(wl, addr);
+	physical = wl1271_translate_addr(wl, addr);
 
 	wl1271_spi_read(wl, physical, buf, len, fixed);
 }
@@ -421,27 +371,27 @@ void wl1271_spi_reg_write(struct wl1271 *wl, int addr, void *buf, size_t len,
 {
 	int physical;
 
-	physical = wl1271_translate_reg_addr(wl, addr);
+	physical = wl1271_translate_addr(wl, addr);
 
 	wl1271_spi_write(wl, physical, buf, len, fixed);
 }
 
 u32 wl1271_mem_read32(struct wl1271 *wl, int addr)
 {
-	return wl1271_read32(wl, wl1271_translate_mem_addr(wl, addr));
+	return wl1271_read32(wl, wl1271_translate_addr(wl, addr));
 }
 
 void wl1271_mem_write32(struct wl1271 *wl, int addr, u32 val)
 {
-	wl1271_write32(wl, wl1271_translate_mem_addr(wl, addr), val);
+	wl1271_write32(wl, wl1271_translate_addr(wl, addr), val);
 }
 
 u32 wl1271_reg_read32(struct wl1271 *wl, int addr)
 {
-	return wl1271_read32(wl, wl1271_translate_reg_addr(wl, addr));
+	return wl1271_read32(wl, wl1271_translate_addr(wl, addr));
 }
 
 void wl1271_reg_write32(struct wl1271 *wl, int addr, u32 val)
 {
-	wl1271_write32(wl, wl1271_translate_reg_addr(wl, addr), val);
+	wl1271_write32(wl, wl1271_translate_addr(wl, addr), val);
 }
diff --git a/drivers/net/wireless/wl12xx/wl1271_spi.h b/drivers/net/wireless/wl12xx/wl1271_spi.h
index 2c996845864..c58e02724d0 100644
--- a/drivers/net/wireless/wl12xx/wl1271_spi.h
+++ b/drivers/net/wireless/wl12xx/wl1271_spi.h
@@ -29,10 +29,14 @@
 
 #define HW_ACCESS_MEMORY_MAX_RANGE		0x1FFC0
 
-#define HW_ACCESS_PART0_SIZE_ADDR           0x1FFC0
-#define HW_ACCESS_PART0_START_ADDR          0x1FFC4
-#define HW_ACCESS_PART1_SIZE_ADDR           0x1FFC8
-#define HW_ACCESS_PART1_START_ADDR          0x1FFCC
+#define HW_PARTITION_REGISTERS_ADDR         0x1ffc0
+#define HW_PART0_SIZE_ADDR                  (HW_PARTITION_REGISTERS_ADDR)
+#define HW_PART0_START_ADDR                 (HW_PARTITION_REGISTERS_ADDR + 4)
+#define HW_PART1_SIZE_ADDR                  (HW_PARTITION_REGISTERS_ADDR + 8)
+#define HW_PART1_START_ADDR                 (HW_PARTITION_REGISTERS_ADDR + 12)
+#define HW_PART2_SIZE_ADDR                  (HW_PARTITION_REGISTERS_ADDR + 16)
+#define HW_PART2_START_ADDR                 (HW_PARTITION_REGISTERS_ADDR + 20)
+#define HW_PART3_START_ADDR                 (HW_PARTITION_REGISTERS_ADDR + 24)
 
 #define HW_ACCESS_REGISTER_SIZE             4
 
@@ -92,8 +96,7 @@ void wl1271_reg_write32(struct wl1271 *wl, int addr, u32 val);
 void wl1271_spi_reset(struct wl1271 *wl);
 void wl1271_spi_init(struct wl1271 *wl);
 int wl1271_set_partition(struct wl1271 *wl,
-			 u32 part_start, u32 part_size,
-			 u32 reg_start,  u32 reg_size);
+			 struct wl1271_partition_set *p);
 
 static inline u32 wl1271_read32(struct wl1271 *wl, int addr)
 {
-- 
GitLab


From 732a1ad93e820768bb14732b8365493dbd69ecc8 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Mon, 12 Oct 2009 15:08:47 +0300
Subject: [PATCH 0487/1815] wl1271: Remove RX workaround

Remove RX workaround which is not needed with newer firmware revisions. This
will reduce one SPI register transaction per RX packet.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_reg.h | 1 -
 drivers/net/wireless/wl12xx/wl1271_rx.c  | 4 ----
 2 files changed, 5 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_reg.h b/drivers/net/wireless/wl12xx/wl1271_reg.h
index f8ed4a4fc69..bd12615e4ca 100644
--- a/drivers/net/wireless/wl12xx/wl1271_reg.h
+++ b/drivers/net/wireless/wl12xx/wl1271_reg.h
@@ -213,7 +213,6 @@
 ==============================================*/
 #define ACX_REG_INTERRUPT_ACK          (REGISTERS_BASE + 0x04F0)
 
-#define RX_DRIVER_DUMMY_WRITE_ADDRESS  (REGISTERS_BASE + 0x0534)
 #define RX_DRIVER_COUNTER_ADDRESS      (REGISTERS_BASE + 0x0538)
 
 /* Device Configuration registers*/
diff --git a/drivers/net/wireless/wl12xx/wl1271_rx.c b/drivers/net/wireless/wl12xx/wl1271_rx.c
index 5d8d4015898..1d9865371f1 100644
--- a/drivers/net/wireless/wl12xx/wl1271_rx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_rx.c
@@ -187,8 +187,4 @@ void wl1271_rx(struct wl1271 *wl, struct wl1271_fw_status *status)
 	}
 
 	wl1271_reg_write32(wl, RX_DRIVER_COUNTER_ADDRESS, wl->rx_counter);
-
-	/* This is a workaround for some problems in the chip */
-	wl1271_reg_write32(wl, RX_DRIVER_DUMMY_WRITE_ADDRESS, 0x1);
-
 }
-- 
GitLab


From e8768eeb5993bf9695adb4afe4118b7fd5e307a3 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Mon, 12 Oct 2009 15:08:48 +0300
Subject: [PATCH 0488/1815] wl1271: Add top-register access functions

Add top register access function.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_boot.c | 27 ++-----------
 drivers/net/wireless/wl12xx/wl1271_boot.h | 15 +-------
 drivers/net/wireless/wl12xx/wl1271_spi.c  | 46 +++++++++++++++++++++++
 drivers/net/wireless/wl12xx/wl1271_spi.h  | 16 ++++++++
 4 files changed, 66 insertions(+), 38 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.c b/drivers/net/wireless/wl12xx/wl1271_boot.c
index 2eb7836c9ac..1a3084cca9b 100644
--- a/drivers/net/wireless/wl12xx/wl1271_boot.c
+++ b/drivers/net/wireless/wl12xx/wl1271_boot.c
@@ -419,34 +419,13 @@ static int wl1271_boot_run_firmware(struct wl1271 *wl)
 
 static int wl1271_boot_write_irq_polarity(struct wl1271 *wl)
 {
-	u32 polarity, status, i;
+	u32 polarity;
 
-	wl1271_reg_write32(wl, OCP_POR_CTR, OCP_REG_POLARITY);
-	wl1271_reg_write32(wl, OCP_CMD, OCP_CMD_READ);
-
-	/* Wait until the command is complete (ie. bit 18 is set) */
-	for (i = 0; i < OCP_CMD_LOOP; i++) {
-		polarity = wl1271_reg_read32(wl, OCP_DATA_READ);
-		if (polarity & OCP_READY_MASK)
-			break;
-	}
-	if (i == OCP_CMD_LOOP) {
-		wl1271_error("OCP command timeout!");
-		return -EIO;
-	}
-
-	status = polarity & OCP_STATUS_MASK;
-	if (status != OCP_STATUS_OK) {
-		wl1271_error("OCP command failed (%d)", status);
-		return -EIO;
-	}
+	polarity = wl1271_top_reg_read(wl, OCP_REG_POLARITY);
 
 	/* We use HIGH polarity, so unset the LOW bit */
 	polarity &= ~POLARITY_LOW;
-
-	wl1271_reg_write32(wl, OCP_POR_CTR, OCP_REG_POLARITY);
-	wl1271_reg_write32(wl, OCP_DATA_WRITE, polarity);
-	wl1271_reg_write32(wl, OCP_CMD, OCP_CMD_WRITE);
+	wl1271_top_reg_write(wl, OCP_REG_POLARITY, polarity);
 
 	return 0;
 }
diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.h b/drivers/net/wireless/wl12xx/wl1271_boot.h
index b0d8fb46a43..4501653fb52 100644
--- a/drivers/net/wireless/wl12xx/wl1271_boot.h
+++ b/drivers/net/wireless/wl12xx/wl1271_boot.h
@@ -50,20 +50,7 @@ struct wl1271_static_data {
 #define WU_COUNTER_PAUSE_VAL 0x3FF
 #define WELP_ARM_COMMAND_VAL 0x4
 
-#define OCP_CMD_LOOP  32
-
-#define OCP_CMD_WRITE 0x1
-#define OCP_CMD_READ  0x2
-
-#define OCP_READY_MASK  BIT(18)
-#define OCP_STATUS_MASK (BIT(16) | BIT(17))
-
-#define OCP_STATUS_NO_RESP    0x00000
-#define OCP_STATUS_OK         0x10000
-#define OCP_STATUS_REQ_FAILED 0x20000
-#define OCP_STATUS_RESP_ERROR 0x30000
-
-#define OCP_REG_POLARITY 0x30032
+#define OCP_REG_POLARITY 0x0064
 
 #define CMD_MBOX_ADDRESS 0x407B4
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_spi.c b/drivers/net/wireless/wl12xx/wl1271_spi.c
index 367f2d3319a..7a7890b77b8 100644
--- a/drivers/net/wireless/wl12xx/wl1271_spi.c
+++ b/drivers/net/wireless/wl12xx/wl1271_spi.c
@@ -395,3 +395,49 @@ void wl1271_reg_write32(struct wl1271 *wl, int addr, u32 val)
 {
 	wl1271_write32(wl, wl1271_translate_addr(wl, addr), val);
 }
+
+void wl1271_top_reg_write(struct wl1271 *wl, int addr, u16 val)
+{
+	/* write address >> 1 + 0x30000 to OCP_POR_CTR */
+	addr = (addr >> 1) + 0x30000;
+	wl1271_reg_write32(wl, OCP_POR_CTR, addr);
+
+	/* write value to OCP_POR_WDATA */
+	wl1271_reg_write32(wl, OCP_DATA_WRITE, val);
+
+	/* write 1 to OCP_CMD */
+	wl1271_reg_write32(wl, OCP_CMD, OCP_CMD_WRITE);
+}
+
+u16 wl1271_top_reg_read(struct wl1271 *wl, int addr)
+{
+	u32 val;
+	int timeout = OCP_CMD_LOOP;
+
+	/* write address >> 1 + 0x30000 to OCP_POR_CTR */
+	addr = (addr >> 1) + 0x30000;
+	wl1271_reg_write32(wl, OCP_POR_CTR, addr);
+
+	/* write 2 to OCP_CMD */
+	wl1271_reg_write32(wl, OCP_CMD, OCP_CMD_READ);
+
+	/* poll for data ready */
+	do {
+		val = wl1271_reg_read32(wl, OCP_DATA_READ);
+		timeout--;
+	} while (!(val & OCP_READY_MASK) && timeout);
+
+	if (!timeout) {
+		wl1271_warning("Top register access timed out.");
+		return 0xffff;
+	}
+
+	/* check data status and return if OK */
+	if ((val & OCP_STATUS_MASK) == OCP_STATUS_OK)
+		return val & 0xffff;
+	else {
+		wl1271_warning("Top register access returned error.");
+		return 0xffff;
+	}
+}
+
diff --git a/drivers/net/wireless/wl12xx/wl1271_spi.h b/drivers/net/wireless/wl12xx/wl1271_spi.h
index c58e02724d0..4f1608e99c2 100644
--- a/drivers/net/wireless/wl12xx/wl1271_spi.h
+++ b/drivers/net/wireless/wl12xx/wl1271_spi.h
@@ -71,6 +71,18 @@
 		((WL1271_BUSY_WORD_LEN - 4) / sizeof(u32))
 #define HW_ACCESS_WSPI_INIT_CMD_MASK  0
 
+#define OCP_CMD_LOOP  32
+
+#define OCP_CMD_WRITE 0x1
+#define OCP_CMD_READ  0x2
+
+#define OCP_READY_MASK  BIT(18)
+#define OCP_STATUS_MASK (BIT(16) | BIT(17))
+
+#define OCP_STATUS_NO_RESP    0x00000
+#define OCP_STATUS_OK         0x10000
+#define OCP_STATUS_REQ_FAILED 0x20000
+#define OCP_STATUS_RESP_ERROR 0x30000
 
 /* Raw target IO, address is not translated */
 void wl1271_spi_write(struct wl1271 *wl, int addr, void *buf,
@@ -92,6 +104,10 @@ void wl1271_spi_reg_write(struct wl1271 *wl, int addr, void *buf, size_t len,
 u32 wl1271_reg_read32(struct wl1271 *wl, int addr);
 void wl1271_reg_write32(struct wl1271 *wl, int addr, u32 val);
 
+/* Top Register IO */
+void wl1271_top_reg_write(struct wl1271 *wl, int addr, u16 val);
+u16 wl1271_top_reg_read(struct wl1271 *wl, int addr);
+
 /* INIT and RESET words */
 void wl1271_spi_reset(struct wl1271 *wl);
 void wl1271_spi_init(struct wl1271 *wl);
-- 
GitLab


From 284134eb6f928f6cdbfe95ab79f8e46233a22c98 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Mon, 12 Oct 2009 15:08:49 +0300
Subject: [PATCH 0489/1815] wl1271: RefClk configuration

Updated RefClk configuration based on reference sources. Apparently this
change will improve RF performance.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_boot.c | 20 ++++++++++++++++++--
 drivers/net/wireless/wl12xx/wl1271_boot.h |  9 ++++++++-
 2 files changed, 26 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.c b/drivers/net/wireless/wl12xx/wl1271_boot.c
index 1a3084cca9b..b5865775071 100644
--- a/drivers/net/wireless/wl12xx/wl1271_boot.c
+++ b/drivers/net/wireless/wl12xx/wl1271_boot.c
@@ -435,13 +435,29 @@ int wl1271_boot(struct wl1271 *wl)
 	int ret = 0;
 	u32 tmp, clk, pause;
 
-	if (REF_CLOCK == 0 || REF_CLOCK == 2)
-		/* ref clk: 19.2/38.4 */
+	if (REF_CLOCK == 0 || REF_CLOCK == 2 || REF_CLOCK == 4)
+		/* ref clk: 19.2/38.4/38.4-XTAL */
 		clk = 0x3;
 	else if (REF_CLOCK == 1 || REF_CLOCK == 3)
 		/* ref clk: 26/52 */
 		clk = 0x5;
 
+	if (REF_CLOCK != 0) {
+		u16 val;
+		/* Set clock type */
+		val = wl1271_top_reg_read(wl, OCP_REG_CLK_TYPE);
+		val &= FREF_CLK_TYPE_BITS;
+		val |= CLK_REQ_PRCM;
+		wl1271_top_reg_write(wl, OCP_REG_CLK_TYPE, val);
+	} else {
+		u16 val;
+		/* Set clock polarity */
+		val = wl1271_top_reg_read(wl, OCP_REG_CLK_POLARITY);
+		val &= FREF_CLK_POLARITY_BITS;
+		val |= CLK_REQ_OUTN_SEL;
+		wl1271_top_reg_write(wl, OCP_REG_CLK_POLARITY, val);
+	}
+
 	wl1271_reg_write32(wl, PLL_PARAMETERS, clk);
 
 	pause = wl1271_reg_read32(wl, PLL_PARAMETERS);
diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.h b/drivers/net/wireless/wl12xx/wl1271_boot.h
index 4501653fb52..412443ee655 100644
--- a/drivers/net/wireless/wl12xx/wl1271_boot.h
+++ b/drivers/net/wireless/wl12xx/wl1271_boot.h
@@ -50,10 +50,17 @@ struct wl1271_static_data {
 #define WU_COUNTER_PAUSE_VAL 0x3FF
 #define WELP_ARM_COMMAND_VAL 0x4
 
-#define OCP_REG_POLARITY 0x0064
+#define OCP_REG_POLARITY     0x0064
+#define OCP_REG_CLK_TYPE     0x0448
+#define OCP_REG_CLK_POLARITY 0x0cb2
 
 #define CMD_MBOX_ADDRESS 0x407B4
 
 #define POLARITY_LOW BIT(1)
 
+#define FREF_CLK_TYPE_BITS     0xfffffe7f
+#define CLK_REQ_PRCM           0x100
+#define FREF_CLK_POLARITY_BITS 0xfffff8ff
+#define CLK_REQ_OUTN_SEL       0x700
+
 #endif
-- 
GitLab


From c15f63bffabb996f90b9c24c62fb0614c5a4f676 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Mon, 12 Oct 2009 15:08:50 +0300
Subject: [PATCH 0490/1815] wl1271: Update interrupt handling by removing an
 extra SPI read

Remove separate interrupt register reading from the interrupt handling
routine. This will slightly improve interrupt performance.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_main.c | 74 +++++++++--------------
 drivers/net/wireless/wl12xx/wl1271_reg.h  |  2 +-
 2 files changed, 31 insertions(+), 45 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 22d44ba2e96..8ac9bc1b944 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -76,20 +76,14 @@ static void wl1271_power_on(struct wl1271 *wl)
 	wl->set_power(true);
 }
 
-static void wl1271_fw_status(struct wl1271 *wl, struct wl1271_fw_status *status)
+static void wl1271_fw_status(struct wl1271 *wl,
+			     struct wl1271_fw_status *status)
 {
 	u32 total = 0;
 	int i;
 
-	/*
-	 * FIXME: Reading the FW status directly from the registers seems to
-	 * be the right thing to do, but it doesn't work.  And in the
-	 * reference driver, there is a workaround called
-	 * USE_SDIO_24M_WORKAROUND, which reads the status from memory
-	 * instead, so we do the same here.
-	 */
-
-	wl1271_spi_mem_read(wl, STATUS_MEM_ADDRESS, status, sizeof(*status));
+	wl1271_spi_reg_read(wl, FW_STATUS_ADDR, status,
+			    sizeof(*status), false);
 
 	wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, "
 		     "drv_rx_counter = %d, tx_results_counter = %d)",
@@ -114,11 +108,10 @@ static void wl1271_fw_status(struct wl1271 *wl, struct wl1271_fw_status *status)
 	wl->time_offset = jiffies_to_usecs(jiffies) - status->fw_localtime;
 }
 
-#define WL1271_IRQ_MAX_LOOPS 10
 static void wl1271_irq_work(struct work_struct *work)
 {
-	u32 intr, ctr = WL1271_IRQ_MAX_LOOPS;
 	int ret;
+	u32 intr;
 	struct wl1271 *wl =
 		container_of(work, struct wl1271, irq_work);
 
@@ -135,7 +128,8 @@ static void wl1271_irq_work(struct work_struct *work)
 
 	wl1271_reg_write32(wl, ACX_REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL);
 
-	intr = wl1271_reg_read32(wl, ACX_REG_INTERRUPT_CLEAR);
+	wl1271_fw_status(wl, wl->fw_status);
+	intr = wl->fw_status->intr;
 	if (!intr) {
 		wl1271_debug(DEBUG_IRQ, "Zero interrupt received.");
 		goto out_sleep;
@@ -143,43 +137,35 @@ static void wl1271_irq_work(struct work_struct *work)
 
 	intr &= WL1271_INTR_MASK;
 
-	do {
-		wl1271_fw_status(wl, wl->fw_status);
-
-
-		if (intr & (WL1271_ACX_INTR_EVENT_A |
-			    WL1271_ACX_INTR_EVENT_B)) {
-			wl1271_debug(DEBUG_IRQ,
-				     "WL1271_ACX_INTR_EVENT (0x%x)", intr);
-			if (intr & WL1271_ACX_INTR_EVENT_A)
-				wl1271_event_handle(wl, 0);
-			else
-				wl1271_event_handle(wl, 1);
-		}
+	if (intr & (WL1271_ACX_INTR_EVENT_A |
+		    WL1271_ACX_INTR_EVENT_B)) {
+		wl1271_debug(DEBUG_IRQ,
+			     "WL1271_ACX_INTR_EVENT (0x%x)", intr);
+		if (intr & WL1271_ACX_INTR_EVENT_A)
+			wl1271_event_handle(wl, 0);
+		else
+			wl1271_event_handle(wl, 1);
+	}
 
-		if (intr & WL1271_ACX_INTR_INIT_COMPLETE)
-			wl1271_debug(DEBUG_IRQ,
-				     "WL1271_ACX_INTR_INIT_COMPLETE");
+	if (intr & WL1271_ACX_INTR_INIT_COMPLETE)
+		wl1271_debug(DEBUG_IRQ,
+			     "WL1271_ACX_INTR_INIT_COMPLETE");
 
-		if (intr & WL1271_ACX_INTR_HW_AVAILABLE)
-			wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE");
+	if (intr & WL1271_ACX_INTR_HW_AVAILABLE)
+		wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE");
 
-		if (intr & WL1271_ACX_INTR_DATA) {
-			u8 tx_res_cnt = wl->fw_status->tx_results_counter -
-				wl->tx_results_count;
+	if (intr & WL1271_ACX_INTR_DATA) {
+		u8 tx_res_cnt = wl->fw_status->tx_results_counter -
+			wl->tx_results_count;
 
-			wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA");
+		wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA");
 
-			/* check for tx results */
-			if (tx_res_cnt)
-				wl1271_tx_complete(wl, tx_res_cnt);
+		/* check for tx results */
+		if (tx_res_cnt)
+			wl1271_tx_complete(wl, tx_res_cnt);
 
-			wl1271_rx(wl, wl->fw_status);
-		}
-
-		intr = wl1271_reg_read32(wl, ACX_REG_INTERRUPT_CLEAR);
-		intr &= WL1271_INTR_MASK;
-	} while (intr && --ctr);
+		wl1271_rx(wl, wl->fw_status);
+	}
 
 out_sleep:
 	wl1271_reg_write32(wl, ACX_REG_INTERRUPT_MASK,
diff --git a/drivers/net/wireless/wl12xx/wl1271_reg.h b/drivers/net/wireless/wl12xx/wl1271_reg.h
index bd12615e4ca..6af87b5573b 100644
--- a/drivers/net/wireless/wl12xx/wl1271_reg.h
+++ b/drivers/net/wireless/wl12xx/wl1271_reg.h
@@ -34,7 +34,7 @@
 #define REGISTERS_WORK_SIZE 0x0000b000
 
 #define HW_ACCESS_ELP_CTRL_REG_ADDR         0x1FFFC
-#define STATUS_MEM_ADDRESS                  0x40400
+#define FW_STATUS_ADDR                      (0x14FC0 + 0xA000)
 
 /* ELP register commands */
 #define ELPCTRL_WAKE_UP             0x1
-- 
GitLab


From 5d0af498c08b43566733d5c5fb8293ce3b109eab Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Mon, 12 Oct 2009 15:08:51 +0300
Subject: [PATCH 0491/1815] wl1271: Enable ELP

The new firmware has fixed a firmware crash problem related to ELP entry.
Enable ELP to conserve power.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_ps.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_ps.c b/drivers/net/wireless/wl12xx/wl1271_ps.c
index 5580e53d103..fb821c98866 100644
--- a/drivers/net/wireless/wl12xx/wl1271_ps.c
+++ b/drivers/net/wireless/wl12xx/wl1271_ps.c
@@ -39,12 +39,7 @@ void wl1271_elp_work(struct work_struct *work)
 
 	mutex_lock(&wl->mutex);
 
-	/*
-	 * FIXME: below, by means of the "true", ELP has been disabled for now
-	 * to work around a firmware bug. To be enabled upon receiving a new
-	 * firmware version.
-	 */
-	if (true || wl->elp || !wl->psm)
+	if (wl->elp || !wl->psm)
 		goto out;
 
 	wl1271_debug(DEBUG_PSM, "chip to elp");
-- 
GitLab


From 3cfd6cf960b2b030ccae1144a5c0dcd91c7c56a8 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Mon, 12 Oct 2009 15:08:52 +0300
Subject: [PATCH 0492/1815] wl1271: Enable smart reflex

Enable and configure smart reflex. This should have a reducing impact on
power consumption.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_acx.c  | 72 +++++++++++++++++++++++
 drivers/net/wireless/wl12xx/wl1271_acx.h  | 23 ++++++++
 drivers/net/wireless/wl12xx/wl1271_init.c |  5 ++
 3 files changed, 100 insertions(+)

diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.c b/drivers/net/wireless/wl12xx/wl1271_acx.c
index d5dac5753ae..6c298900221 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.c
@@ -998,3 +998,75 @@ out:
 	kfree(rx_conf);
 	return ret;
 }
+
+int wl1271_acx_smart_reflex(struct wl1271 *wl)
+{
+	struct acx_smart_reflex_state *sr_state = NULL;
+	struct acx_smart_reflex_config_params *sr_param = NULL;
+	int ret;
+
+	wl1271_debug(DEBUG_ACX, "acx smart reflex");
+
+	sr_param = kzalloc(sizeof(*sr_param), GFP_KERNEL);
+	if (!sr_param) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	/* set cryptic smart reflex parameters - source TI reference code */
+	sr_param->error_table[0].len = 0x07;
+	sr_param->error_table[0].upper_limit = 0x03;
+	sr_param->error_table[0].values[0] = 0x18;
+	sr_param->error_table[0].values[1] = 0x10;
+	sr_param->error_table[0].values[2] = 0x05;
+	sr_param->error_table[0].values[3] = 0xfb;
+	sr_param->error_table[0].values[4] = 0xf0;
+	sr_param->error_table[0].values[5] = 0xe8;
+
+	sr_param->error_table[1].len = 0x07;
+	sr_param->error_table[1].upper_limit = 0x03;
+	sr_param->error_table[1].values[0] = 0x18;
+	sr_param->error_table[1].values[1] = 0x10;
+	sr_param->error_table[1].values[2] = 0x05;
+	sr_param->error_table[1].values[3] = 0xf6;
+	sr_param->error_table[1].values[4] = 0xf0;
+	sr_param->error_table[1].values[5] = 0xe8;
+
+	sr_param->error_table[2].len = 0x07;
+	sr_param->error_table[2].upper_limit = 0x03;
+	sr_param->error_table[2].values[0] = 0x18;
+	sr_param->error_table[2].values[1] = 0x10;
+	sr_param->error_table[2].values[2] = 0x05;
+	sr_param->error_table[2].values[3] = 0xfb;
+	sr_param->error_table[2].values[4] = 0xf0;
+	sr_param->error_table[2].values[5] = 0xe8;
+
+	ret = wl1271_cmd_configure(wl, ACX_SET_SMART_REFLEX_PARAMS,
+				   sr_param, sizeof(*sr_param));
+	if (ret < 0) {
+		wl1271_warning("failed to set smart reflex params: %d", ret);
+		goto out;
+	}
+
+	sr_state = kzalloc(sizeof(*sr_state), GFP_KERNEL);
+	if (!sr_state) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	/* enable smart reflex */
+	sr_state->enable = 1;
+
+	ret = wl1271_cmd_configure(wl, ACX_SET_SMART_REFLEX_STATE,
+				   sr_state, sizeof(*sr_state));
+	if (ret < 0) {
+		wl1271_warning("failed to set smart reflex params: %d", ret);
+		goto out;
+	}
+
+out:
+	kfree(sr_state);
+	kfree(sr_param);
+	return ret;
+
+}
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.h b/drivers/net/wireless/wl12xx/wl1271_acx.h
index 07256d280e5..0c704af1953 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.h
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.h
@@ -445,6 +445,25 @@ struct acx_bt_wlan_coex {
 	u8 pad[3];
 } __attribute__ ((packed));
 
+struct acx_smart_reflex_state {
+	struct acx_header header;
+
+	u8 enable;
+	u8 padding[3];
+};
+
+struct smart_reflex_err_table {
+	u8 len;
+	s8 upper_limit;
+	s8 values[14];
+};
+
+struct acx_smart_reflex_config_params {
+	struct acx_header header;
+
+	struct smart_reflex_err_table error_table[3];
+};
+
 #define PTA_ANTENNA_TYPE_DEF		  (0)
 #define PTA_BT_HP_MAXTIME_DEF		  (2000)
 #define PTA_WLAN_HP_MAX_TIME_DEF	  (5000)
@@ -1184,6 +1203,9 @@ enum {
 	ACX_PEER_HT_CAP             = 0x0057,
 	ACX_HT_BSS_OPERATION        = 0x0058,
 	ACX_COEX_ACTIVITY           = 0x0059,
+	ACX_SET_SMART_REFLEX_DEBUG  = 0x005A,
+	ACX_SET_SMART_REFLEX_STATE  = 0x005B,
+	ACX_SET_SMART_REFLEX_PARAMS = 0x005F,
 	DOT11_RX_MSDU_LIFE_TIME     = 0x1004,
 	DOT11_CUR_TX_PWR            = 0x100D,
 	DOT11_RX_DOT11_MODE         = 0x1012,
@@ -1233,5 +1255,6 @@ int wl1271_acx_tx_config_options(struct wl1271 *wl);
 int wl1271_acx_mem_cfg(struct wl1271 *wl);
 int wl1271_acx_init_mem_config(struct wl1271 *wl);
 int wl1271_acx_init_rx_interrupt(struct wl1271 *wl);
+int wl1271_acx_smart_reflex(struct wl1271 *wl);
 
 #endif /* __WL1271_ACX_H__ */
diff --git a/drivers/net/wireless/wl12xx/wl1271_init.c b/drivers/net/wireless/wl12xx/wl1271_init.c
index bf4d0e18fb8..f9315f601bd 100644
--- a/drivers/net/wireless/wl12xx/wl1271_init.c
+++ b/drivers/net/wireless/wl12xx/wl1271_init.c
@@ -394,6 +394,11 @@ int wl1271_hw_init(struct wl1271 *wl)
 	if (ret < 0)
 		goto out_free_memmap;
 
+	/* Configure smart reflex */
+	ret = wl1271_acx_smart_reflex(wl);
+	if (ret < 0)
+		goto out_free_memmap;
+
 	return 0;
 
  out_free_memmap:
-- 
GitLab


From 207347e498cbe25fa2a8369edd49df43e56000be Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Mon, 12 Oct 2009 15:08:53 +0300
Subject: [PATCH 0493/1815] wl1271: Update TX path block calucation algo

Update the TX path block calculation algorithm based on TI reference.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_tx.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_tx.c b/drivers/net/wireless/wl12xx/wl1271_tx.c
index 5d3aa4b26cf..56a7f36380b 100644
--- a/drivers/net/wireless/wl12xx/wl1271_tx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_tx.c
@@ -57,8 +57,8 @@ static int wl1271_tx_allocate(struct wl1271 *wl, struct sk_buff *skb, u32 extra)
 	/* approximate the number of blocks required for this packet
 	   in the firmware */
 	/* FIXME: try to figure out what is done here and make it cleaner */
-	total_blocks = (total_len) >> TX_HW_BLOCK_SHIFT_DIV;
-	excluded = (total_blocks << 2) + (skb->len & 0xff) + 34;
+	total_blocks = (total_len + 20) >> TX_HW_BLOCK_SHIFT_DIV;
+	excluded = (total_blocks << 2) + ((total_len + 20) & 0xff) + 34;
 	total_blocks += (excluded > 252) ? 2 : 1;
 	total_blocks += TX_HW_BLOCK_SPARE;
 
-- 
GitLab


From 746214178774bc7f9adbeaef7d43a634570eb870 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Mon, 12 Oct 2009 15:08:54 +0300
Subject: [PATCH 0494/1815] wl1271: Remove outdated SPI functions

With the change to the new firmware, there was a change to firmware memory
partitioning. Along with that change, the translation of all partitions was
unified, and separate functions for reg and mem access became unnecessary.

Cleanup the unnecessary functions.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_boot.c  | 63 ++++++++--------
 drivers/net/wireless/wl12xx/wl1271_cmd.c   | 19 ++---
 drivers/net/wireless/wl12xx/wl1271_event.c |  8 +-
 drivers/net/wireless/wl12xx/wl1271_main.c  | 12 +--
 drivers/net/wireless/wl12xx/wl1271_ps.c    |  4 +-
 drivers/net/wireless/wl12xx/wl1271_rx.c    | 10 +--
 drivers/net/wireless/wl12xx/wl1271_spi.c   | 85 +++++++---------------
 drivers/net/wireless/wl12xx/wl1271_spi.h   | 36 ++++-----
 drivers/net/wireless/wl12xx/wl1271_tx.c    | 10 +--
 9 files changed, 107 insertions(+), 140 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.c b/drivers/net/wireless/wl12xx/wl1271_boot.c
index b5865775071..a27601dc9c0 100644
--- a/drivers/net/wireless/wl12xx/wl1271_boot.c
+++ b/drivers/net/wireless/wl12xx/wl1271_boot.c
@@ -93,19 +93,19 @@ static void wl1271_boot_set_ecpu_ctrl(struct wl1271 *wl, u32 flag)
 	u32 cpu_ctrl;
 
 	/* 10.5.0 run the firmware (I) */
-	cpu_ctrl = wl1271_reg_read32(wl, ACX_REG_ECPU_CONTROL);
+	cpu_ctrl = wl1271_spi_read32(wl, ACX_REG_ECPU_CONTROL);
 
 	/* 10.5.1 run the firmware (II) */
 	cpu_ctrl |= flag;
-	wl1271_reg_write32(wl, ACX_REG_ECPU_CONTROL, cpu_ctrl);
+	wl1271_spi_write32(wl, ACX_REG_ECPU_CONTROL, cpu_ctrl);
 }
 
 static void wl1271_boot_fw_version(struct wl1271 *wl)
 {
 	struct wl1271_static_data static_data;
 
-	wl1271_spi_mem_read(wl, wl->cmd_box_addr,
-			    &static_data, sizeof(static_data));
+	wl1271_spi_read(wl, wl->cmd_box_addr,
+			&static_data, sizeof(static_data), false);
 
 	strncpy(wl->chip.fw_ver, static_data.fw_version,
 		sizeof(wl->chip.fw_ver));
@@ -164,7 +164,7 @@ static int wl1271_boot_upload_firmware_chunk(struct wl1271 *wl, void *buf,
 		memcpy(chunk, p, CHUNK_SIZE);
 		wl1271_debug(DEBUG_BOOT, "uploading fw chunk 0x%p to 0x%x",
 			     p, addr);
-		wl1271_spi_mem_write(wl, addr, chunk, CHUNK_SIZE);
+		wl1271_spi_write(wl, addr, chunk, CHUNK_SIZE, false);
 
 		chunk_num++;
 	}
@@ -175,7 +175,7 @@ static int wl1271_boot_upload_firmware_chunk(struct wl1271 *wl, void *buf,
 	memcpy(chunk, p, fw_data_len % CHUNK_SIZE);
 	wl1271_debug(DEBUG_BOOT, "uploading fw last chunk (%zd B) 0x%p to 0x%x",
 		     fw_data_len % CHUNK_SIZE, p, addr);
-	wl1271_spi_mem_write(wl, addr, chunk, fw_data_len % CHUNK_SIZE);
+	wl1271_spi_write(wl, addr, chunk, fw_data_len % CHUNK_SIZE, false);
 
 	kfree(chunk);
 	return 0;
@@ -262,7 +262,7 @@ static int wl1271_boot_upload_nvs(struct wl1271 *wl)
 			wl1271_debug(DEBUG_BOOT,
 				     "nvs burst write 0x%x: 0x%x",
 				     dest_addr, val);
-			wl1271_reg_write32(wl, dest_addr, val);
+			wl1271_spi_write32(wl, dest_addr, val);
 
 			nvs_ptr += 4;
 			dest_addr += 4;
@@ -289,7 +289,7 @@ static int wl1271_boot_upload_nvs(struct wl1271 *wl)
 	/* FIXME: In wl1271, we upload everything at once.
 	   No endianness handling needed here?! The ref driver doesn't do
 	   anything about it at this point */
-	wl1271_spi_mem_write(wl, CMD_MBOX_ADDRESS, nvs_aligned, nvs_len);
+	wl1271_spi_write(wl, CMD_MBOX_ADDRESS, nvs_aligned, nvs_len, false);
 
 	kfree(nvs_aligned);
 	return 0;
@@ -298,9 +298,9 @@ static int wl1271_boot_upload_nvs(struct wl1271 *wl)
 static void wl1271_boot_enable_interrupts(struct wl1271 *wl)
 {
 	enable_irq(wl->irq);
-	wl1271_reg_write32(wl, ACX_REG_INTERRUPT_MASK,
+	wl1271_spi_write32(wl, ACX_REG_INTERRUPT_MASK,
 			   WL1271_ACX_INTR_ALL & ~(WL1271_INTR_MASK));
-	wl1271_reg_write32(wl, HI_CFG, HI_CFG_DEF_VAL);
+	wl1271_spi_write32(wl, HI_CFG, HI_CFG_DEF_VAL);
 }
 
 static int wl1271_boot_soft_reset(struct wl1271 *wl)
@@ -309,12 +309,13 @@ static int wl1271_boot_soft_reset(struct wl1271 *wl)
 	u32 boot_data;
 
 	/* perform soft reset */
-	wl1271_reg_write32(wl, ACX_REG_SLV_SOFT_RESET, ACX_SLV_SOFT_RESET_BIT);
+	wl1271_spi_write32(wl, ACX_REG_SLV_SOFT_RESET,
+			   ACX_SLV_SOFT_RESET_BIT);
 
 	/* SOFT_RESET is self clearing */
 	timeout = jiffies + usecs_to_jiffies(SOFT_RESET_MAX_TIME);
 	while (1) {
-		boot_data = wl1271_reg_read32(wl, ACX_REG_SLV_SOFT_RESET);
+		boot_data = wl1271_spi_read32(wl, ACX_REG_SLV_SOFT_RESET);
 		wl1271_debug(DEBUG_BOOT, "soft reset bootdata 0x%x", boot_data);
 		if ((boot_data & ACX_SLV_SOFT_RESET_BIT) == 0)
 			break;
@@ -330,10 +331,10 @@ static int wl1271_boot_soft_reset(struct wl1271 *wl)
 	}
 
 	/* disable Rx/Tx */
-	wl1271_reg_write32(wl, ENABLE, 0x0);
+	wl1271_spi_write32(wl, ENABLE, 0x0);
 
 	/* disable auto calibration on start*/
-	wl1271_reg_write32(wl, SPARE_A2, 0xffff);
+	wl1271_spi_write32(wl, SPARE_A2, 0xffff);
 
 	return 0;
 }
@@ -345,7 +346,7 @@ static int wl1271_boot_run_firmware(struct wl1271 *wl)
 
 	wl1271_boot_set_ecpu_ctrl(wl, ECPU_CONTROL_HALT);
 
-	chip_id = wl1271_reg_read32(wl, CHIP_ID_B);
+	chip_id = wl1271_spi_read32(wl, CHIP_ID_B);
 
 	wl1271_debug(DEBUG_BOOT, "chip id after firmware boot: 0x%x", chip_id);
 
@@ -358,7 +359,8 @@ static int wl1271_boot_run_firmware(struct wl1271 *wl)
 	loop = 0;
 	while (loop++ < INIT_LOOP) {
 		udelay(INIT_LOOP_DELAY);
-		interrupt = wl1271_reg_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR);
+		interrupt = wl1271_spi_read32(wl,
+					      ACX_REG_INTERRUPT_NO_CLEAR);
 
 		if (interrupt == 0xffffffff) {
 			wl1271_error("error reading hardware complete "
@@ -367,7 +369,7 @@ static int wl1271_boot_run_firmware(struct wl1271 *wl)
 		}
 		/* check that ACX_INTR_INIT_COMPLETE is enabled */
 		else if (interrupt & WL1271_ACX_INTR_INIT_COMPLETE) {
-			wl1271_reg_write32(wl, ACX_REG_INTERRUPT_ACK,
+			wl1271_spi_write32(wl, ACX_REG_INTERRUPT_ACK,
 					   WL1271_ACX_INTR_INIT_COMPLETE);
 			break;
 		}
@@ -380,10 +382,10 @@ static int wl1271_boot_run_firmware(struct wl1271 *wl)
 	}
 
 	/* get hardware config command mail box */
-	wl->cmd_box_addr = wl1271_reg_read32(wl, REG_COMMAND_MAILBOX_PTR);
+	wl->cmd_box_addr = wl1271_spi_read32(wl, REG_COMMAND_MAILBOX_PTR);
 
 	/* get hardware config event mail box */
-	wl->event_box_addr = wl1271_reg_read32(wl, REG_EVENT_MAILBOX_PTR);
+	wl->event_box_addr = wl1271_spi_read32(wl, REG_EVENT_MAILBOX_PTR);
 
 	/* set the working partition to its "running" mode offset */
 	wl1271_set_partition(wl, &part_table[PART_WORK]);
@@ -458,9 +460,9 @@ int wl1271_boot(struct wl1271 *wl)
 		wl1271_top_reg_write(wl, OCP_REG_CLK_POLARITY, val);
 	}
 
-	wl1271_reg_write32(wl, PLL_PARAMETERS, clk);
+	wl1271_spi_write32(wl, PLL_PARAMETERS, clk);
 
-	pause = wl1271_reg_read32(wl, PLL_PARAMETERS);
+	pause = wl1271_spi_read32(wl, PLL_PARAMETERS);
 
 	wl1271_debug(DEBUG_BOOT, "pause1 0x%x", pause);
 
@@ -469,10 +471,10 @@ int wl1271_boot(struct wl1271 *wl)
 					   * 0x3ff (magic number ).  How does
 					   * this work?! */
 	pause |= WU_COUNTER_PAUSE_VAL;
-	wl1271_reg_write32(wl, WU_COUNTER_PAUSE, pause);
+	wl1271_spi_write32(wl, WU_COUNTER_PAUSE, pause);
 
 	/* Continue the ELP wake up sequence */
-	wl1271_reg_write32(wl, WELP_ARM_COMMAND, WELP_ARM_COMMAND_VAL);
+	wl1271_spi_write32(wl, WELP_ARM_COMMAND, WELP_ARM_COMMAND_VAL);
 	udelay(500);
 
 	wl1271_set_partition(wl, &part_table[PART_DRPW]);
@@ -482,18 +484,18 @@ int wl1271_boot(struct wl1271 *wl)
 	   before taking DRPw out of reset */
 
 	wl1271_debug(DEBUG_BOOT, "DRPW_SCRATCH_START %08x", DRPW_SCRATCH_START);
-	clk = wl1271_reg_read32(wl, DRPW_SCRATCH_START);
+	clk = wl1271_spi_read32(wl, DRPW_SCRATCH_START);
 
 	wl1271_debug(DEBUG_BOOT, "clk2 0x%x", clk);
 
 	/* 2 */
 	clk |= (REF_CLOCK << 1) << 4;
-	wl1271_reg_write32(wl, DRPW_SCRATCH_START, clk);
+	wl1271_spi_write32(wl, DRPW_SCRATCH_START, clk);
 
 	wl1271_set_partition(wl, &part_table[PART_WORK]);
 
 	/* Disable interrupts */
-	wl1271_reg_write32(wl, ACX_REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL);
+	wl1271_spi_write32(wl, ACX_REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL);
 
 	ret = wl1271_boot_soft_reset(wl);
 	if (ret < 0)
@@ -508,21 +510,22 @@ int wl1271_boot(struct wl1271 *wl)
 	 * ACX_EEPROMLESS_IND_REG */
 	wl1271_debug(DEBUG_BOOT, "ACX_EEPROMLESS_IND_REG");
 
-	wl1271_reg_write32(wl, ACX_EEPROMLESS_IND_REG, ACX_EEPROMLESS_IND_REG);
+	wl1271_spi_write32(wl, ACX_EEPROMLESS_IND_REG,
+			   ACX_EEPROMLESS_IND_REG);
 
-	tmp = wl1271_reg_read32(wl, CHIP_ID_B);
+	tmp = wl1271_spi_read32(wl, CHIP_ID_B);
 
 	wl1271_debug(DEBUG_BOOT, "chip id 0x%x", tmp);
 
 	/* 6. read the EEPROM parameters */
-	tmp = wl1271_reg_read32(wl, SCR_PAD2);
+	tmp = wl1271_spi_read32(wl, SCR_PAD2);
 
 	ret = wl1271_boot_write_irq_polarity(wl);
 	if (ret < 0)
 		goto out;
 
 	/* FIXME: Need to check whether this is really what we want */
-	wl1271_reg_write32(wl, ACX_REG_INTERRUPT_MASK,
+	wl1271_spi_write32(wl, ACX_REG_INTERRUPT_MASK,
 			   WL1271_ACX_ALL_EVENTS_VECTOR);
 
 	/* WL1271: The reference driver skips steps 7 to 10 (jumps directly
diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c
index ef92834e0e8..f727744dcff 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.c
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c
@@ -55,13 +55,13 @@ int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len)
 
 	WARN_ON(len % 4 != 0);
 
-	wl1271_spi_mem_write(wl, wl->cmd_box_addr, buf, len);
+	wl1271_spi_write(wl, wl->cmd_box_addr, buf, len, false);
 
-	wl1271_reg_write32(wl, ACX_REG_INTERRUPT_TRIG, INTR_TRIG_CMD);
+	wl1271_spi_write32(wl, ACX_REG_INTERRUPT_TRIG, INTR_TRIG_CMD);
 
 	timeout = jiffies + msecs_to_jiffies(WL1271_COMMAND_TIMEOUT);
 
-	intr = wl1271_reg_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR);
+	intr = wl1271_spi_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR);
 	while (!(intr & WL1271_ACX_INTR_CMD_COMPLETE)) {
 		if (time_after(jiffies, timeout)) {
 			wl1271_error("command complete timeout");
@@ -71,10 +71,10 @@ int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len)
 
 		msleep(1);
 
-		intr = wl1271_reg_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR);
+		intr = wl1271_spi_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR);
 	}
 
-	wl1271_reg_write32(wl, ACX_REG_INTERRUPT_ACK,
+	wl1271_spi_write32(wl, ACX_REG_INTERRUPT_ACK,
 			   WL1271_ACX_INTR_CMD_COMPLETE);
 
 out:
@@ -302,7 +302,7 @@ int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer)
 		 * The answer would be a wl1271_command, where the
 		 * parameter array contains the actual answer.
 		 */
-		wl1271_spi_mem_read(wl, wl->cmd_box_addr, buf, buf_len);
+		wl1271_spi_read(wl, wl->cmd_box_addr, buf, buf_len, false);
 
 		cmd_answer = buf;
 
@@ -341,7 +341,7 @@ int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len)
 	}
 
 	/* the interrogate command got in, we can read the answer */
-	wl1271_spi_mem_read(wl, wl->cmd_box_addr, buf, len);
+	wl1271_spi_read(wl, wl->cmd_box_addr, buf, len, false);
 
 	acx = buf;
 	if (acx->cmd.status != CMD_STATUS_SUCCESS)
@@ -496,7 +496,7 @@ int wl1271_cmd_read_memory(struct wl1271 *wl, u32 addr, void *answer,
 	}
 
 	/* the read command got in, we can now read the answer */
-	wl1271_spi_mem_read(wl, wl->cmd_box_addr, cmd, sizeof(*cmd));
+	wl1271_spi_read(wl, wl->cmd_box_addr, cmd, sizeof(*cmd), false);
 
 	if (cmd->header.status != CMD_STATUS_SUCCESS)
 		wl1271_error("error in read command result: %d",
@@ -591,7 +591,8 @@ int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len,
 		goto out;
 	}
 
-	wl1271_spi_mem_read(wl, wl->cmd_box_addr, params, sizeof(*params));
+	wl1271_spi_read(wl, wl->cmd_box_addr, params, sizeof(*params),
+			false);
 
 	if (params->header.status != CMD_STATUS_SUCCESS) {
 		wl1271_error("Scan command error: %d",
diff --git a/drivers/net/wireless/wl12xx/wl1271_event.c b/drivers/net/wireless/wl12xx/wl1271_event.c
index f32927650af..4189e97ca80 100644
--- a/drivers/net/wireless/wl12xx/wl1271_event.c
+++ b/drivers/net/wireless/wl12xx/wl1271_event.c
@@ -98,7 +98,7 @@ int wl1271_event_unmask(struct wl1271 *wl)
 
 void wl1271_event_mbox_config(struct wl1271 *wl)
 {
-	wl->mbox_ptr[0] = wl1271_reg_read32(wl, REG_EVENT_MAILBOX_PTR);
+	wl->mbox_ptr[0] = wl1271_spi_read32(wl, REG_EVENT_MAILBOX_PTR);
 	wl->mbox_ptr[1] = wl->mbox_ptr[0] + sizeof(struct event_mailbox);
 
 	wl1271_debug(DEBUG_EVENT, "MBOX ptrs: 0x%x 0x%x",
@@ -116,8 +116,8 @@ int wl1271_event_handle(struct wl1271 *wl, u8 mbox_num)
 		return -EINVAL;
 
 	/* first we read the mbox descriptor */
-	wl1271_spi_mem_read(wl, wl->mbox_ptr[mbox_num], &mbox,
-			    sizeof(struct event_mailbox));
+	wl1271_spi_read(wl, wl->mbox_ptr[mbox_num], &mbox,
+			sizeof(struct event_mailbox), false);
 
 	/* process the descriptor */
 	ret = wl1271_event_process(wl, &mbox);
@@ -125,7 +125,7 @@ int wl1271_event_handle(struct wl1271 *wl, u8 mbox_num)
 		return ret;
 
 	/* then we let the firmware know it can go on...*/
-	wl1271_reg_write32(wl, ACX_REG_INTERRUPT_TRIG, INTR_TRIG_EVENT_ACK);
+	wl1271_spi_write32(wl, ACX_REG_INTERRUPT_TRIG, INTR_TRIG_EVENT_ACK);
 
 	return 0;
 }
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 8ac9bc1b944..5ef0bd53af6 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -82,8 +82,8 @@ static void wl1271_fw_status(struct wl1271 *wl,
 	u32 total = 0;
 	int i;
 
-	wl1271_spi_reg_read(wl, FW_STATUS_ADDR, status,
-			    sizeof(*status), false);
+	wl1271_spi_read(wl, FW_STATUS_ADDR, status,
+			sizeof(*status), false);
 
 	wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, "
 		     "drv_rx_counter = %d, tx_results_counter = %d)",
@@ -126,7 +126,7 @@ static void wl1271_irq_work(struct work_struct *work)
 	if (ret < 0)
 		goto out;
 
-	wl1271_reg_write32(wl, ACX_REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL);
+	wl1271_spi_write32(wl, ACX_REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL);
 
 	wl1271_fw_status(wl, wl->fw_status);
 	intr = wl->fw_status->intr;
@@ -168,7 +168,7 @@ static void wl1271_irq_work(struct work_struct *work)
 	}
 
 out_sleep:
-	wl1271_reg_write32(wl, ACX_REG_INTERRUPT_MASK,
+	wl1271_spi_write32(wl, ACX_REG_INTERRUPT_MASK,
 			   WL1271_ACX_INTR_ALL & ~(WL1271_INTR_MASK));
 	wl1271_ps_elp_sleep(wl);
 
@@ -279,7 +279,7 @@ static void wl1271_fw_wakeup(struct wl1271 *wl)
 	u32 elp_reg;
 
 	elp_reg = ELPCTRL_WAKE_UP;
-	wl1271_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg);
+	wl1271_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg);
 }
 
 static int wl1271_setup(struct wl1271 *wl)
@@ -322,7 +322,7 @@ static int wl1271_chip_wakeup(struct wl1271 *wl)
 	/* whal_FwCtrl_BootSm() */
 
 	/* 0. read chip id from CHIP_ID */
-	wl->chip.id = wl1271_reg_read32(wl, CHIP_ID_B);
+	wl->chip.id = wl1271_spi_read32(wl, CHIP_ID_B);
 
 	/* 1. check if chip id is valid */
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_ps.c b/drivers/net/wireless/wl12xx/wl1271_ps.c
index fb821c98866..bb8745d9bd6 100644
--- a/drivers/net/wireless/wl12xx/wl1271_ps.c
+++ b/drivers/net/wireless/wl12xx/wl1271_ps.c
@@ -43,7 +43,7 @@ void wl1271_elp_work(struct work_struct *work)
 		goto out;
 
 	wl1271_debug(DEBUG_PSM, "chip to elp");
-	wl1271_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, ELPCTRL_SLEEP);
+	wl1271_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, ELPCTRL_SLEEP);
 	wl->elp = true;
 
 out:
@@ -86,7 +86,7 @@ int wl1271_ps_elp_wakeup(struct wl1271 *wl, bool chip_awake)
 		wl->elp_compl = &compl;
 	spin_unlock_irqrestore(&wl->wl_lock, flags);
 
-	wl1271_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, ELPCTRL_WAKE_UP);
+	wl1271_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, ELPCTRL_WAKE_UP);
 
 	if (!pending) {
 		ret = wait_for_completion_timeout(
diff --git a/drivers/net/wireless/wl12xx/wl1271_rx.c b/drivers/net/wireless/wl12xx/wl1271_rx.c
index 1d9865371f1..7979b69ec52 100644
--- a/drivers/net/wireless/wl12xx/wl1271_rx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_rx.c
@@ -132,7 +132,7 @@ static void wl1271_rx_handle_data(struct wl1271 *wl, u32 length)
 	}
 
 	buf = skb_put(skb, length);
-	wl1271_spi_reg_read(wl, WL1271_SLV_MEM_DATA, buf, length, true);
+	wl1271_spi_read(wl, WL1271_SLV_MEM_DATA, buf, length, true);
 
 	/* the data read starts with the descriptor */
 	desc = (struct wl1271_rx_descriptor *) buf;
@@ -176,9 +176,9 @@ void wl1271_rx(struct wl1271 *wl, struct wl1271_fw_status *status)
 			wl->rx_mem_pool_addr.addr + 4;
 
 		/* Choose the block we want to read */
-		wl1271_spi_reg_write(wl, WL1271_SLV_REG_DATA,
-				     &wl->rx_mem_pool_addr,
-				     sizeof(wl->rx_mem_pool_addr), false);
+		wl1271_spi_write(wl, WL1271_SLV_REG_DATA,
+				 &wl->rx_mem_pool_addr,
+				 sizeof(wl->rx_mem_pool_addr), false);
 
 		wl1271_rx_handle_data(wl, buf_size);
 
@@ -186,5 +186,5 @@ void wl1271_rx(struct wl1271 *wl, struct wl1271_fw_status *status)
 		drv_rx_counter = wl->rx_counter & NUM_RX_PKT_DESC_MOD_MASK;
 	}
 
-	wl1271_reg_write32(wl, RX_DRIVER_COUNTER_ADDRESS, wl->rx_counter);
+	wl1271_spi_write32(wl, RX_DRIVER_COUNTER_ADDRESS, wl->rx_counter);
 }
diff --git a/drivers/net/wireless/wl12xx/wl1271_spi.c b/drivers/net/wireless/wl12xx/wl1271_spi.c
index 7a7890b77b8..4800fdfd237 100644
--- a/drivers/net/wireless/wl12xx/wl1271_spi.c
+++ b/drivers/net/wireless/wl12xx/wl1271_spi.c
@@ -183,13 +183,13 @@ int wl1271_set_partition(struct wl1271 *wl,
 		     p->mem3.start, p->mem3.size);
 
 	/* write partition info to the chipset */
-	wl1271_write32(wl, HW_PART0_START_ADDR, p->mem.start);
-	wl1271_write32(wl, HW_PART0_SIZE_ADDR, p->mem.size);
-	wl1271_write32(wl, HW_PART1_START_ADDR, p->reg.start);
-	wl1271_write32(wl, HW_PART1_SIZE_ADDR, p->reg.size);
-	wl1271_write32(wl, HW_PART2_START_ADDR, p->mem2.start);
-	wl1271_write32(wl, HW_PART2_SIZE_ADDR, p->mem2.size);
-	wl1271_write32(wl, HW_PART3_START_ADDR, p->mem3.start);
+	wl1271_raw_write32(wl, HW_PART0_START_ADDR, p->mem.start);
+	wl1271_raw_write32(wl, HW_PART0_SIZE_ADDR, p->mem.size);
+	wl1271_raw_write32(wl, HW_PART1_START_ADDR, p->reg.start);
+	wl1271_raw_write32(wl, HW_PART1_SIZE_ADDR, p->reg.size);
+	wl1271_raw_write32(wl, HW_PART2_START_ADDR, p->mem2.start);
+	wl1271_raw_write32(wl, HW_PART2_SIZE_ADDR, p->mem2.size);
+	wl1271_raw_write32(wl, HW_PART3_START_ADDR, p->mem3.start);
 
 	return 0;
 }
@@ -257,8 +257,8 @@ void wl1271_spi_read_busy(struct wl1271 *wl, void *buf, size_t len)
 	wl1271_error("SPI read busy-word timeout!\n");
 }
 
-void wl1271_spi_read(struct wl1271 *wl, int addr, void *buf,
-		     size_t len, bool fixed)
+void wl1271_spi_raw_read(struct wl1271 *wl, int addr, void *buf,
+			 size_t len, bool fixed)
 {
 	struct spi_transfer t[3];
 	struct spi_message m;
@@ -302,8 +302,8 @@ void wl1271_spi_read(struct wl1271 *wl, int addr, void *buf,
 	wl1271_dump(DEBUG_SPI, "spi_read buf <- ", buf, len);
 }
 
-void wl1271_spi_write(struct wl1271 *wl, int addr, void *buf,
-		      size_t len, bool fixed)
+void wl1271_spi_raw_write(struct wl1271 *wl, int addr, void *buf,
+			  size_t len, bool fixed)
 {
 	struct spi_transfer t[2];
 	struct spi_message m;
@@ -336,77 +336,47 @@ void wl1271_spi_write(struct wl1271 *wl, int addr, void *buf,
 	wl1271_dump(DEBUG_SPI, "spi_write buf -> ", buf, len);
 }
 
-void wl1271_spi_mem_read(struct wl1271 *wl, int addr, void *buf,
-			 size_t len)
+void wl1271_spi_read(struct wl1271 *wl, int addr, void *buf, size_t len,
+		     bool fixed)
 {
 	int physical;
 
 	physical = wl1271_translate_addr(wl, addr);
 
-	wl1271_spi_read(wl, physical, buf, len, false);
+	wl1271_spi_raw_read(wl, physical, buf, len, fixed);
 }
 
-void wl1271_spi_mem_write(struct wl1271 *wl, int addr, void *buf,
-			  size_t len)
+void wl1271_spi_write(struct wl1271 *wl, int addr, void *buf, size_t len,
+		      bool fixed)
 {
 	int physical;
 
 	physical = wl1271_translate_addr(wl, addr);
 
-	wl1271_spi_write(wl, physical, buf, len, false);
+	wl1271_spi_raw_write(wl, physical, buf, len, fixed);
 }
 
-void wl1271_spi_reg_read(struct wl1271 *wl, int addr, void *buf, size_t len,
-			 bool fixed)
+u32 wl1271_spi_read32(struct wl1271 *wl, int addr)
 {
-	int physical;
-
-	physical = wl1271_translate_addr(wl, addr);
-
-	wl1271_spi_read(wl, physical, buf, len, fixed);
-}
-
-void wl1271_spi_reg_write(struct wl1271 *wl, int addr, void *buf, size_t len,
-			  bool fixed)
-{
-	int physical;
-
-	physical = wl1271_translate_addr(wl, addr);
-
-	wl1271_spi_write(wl, physical, buf, len, fixed);
+	return wl1271_raw_read32(wl, wl1271_translate_addr(wl, addr));
 }
 
-u32 wl1271_mem_read32(struct wl1271 *wl, int addr)
+void wl1271_spi_write32(struct wl1271 *wl, int addr, u32 val)
 {
-	return wl1271_read32(wl, wl1271_translate_addr(wl, addr));
-}
-
-void wl1271_mem_write32(struct wl1271 *wl, int addr, u32 val)
-{
-	wl1271_write32(wl, wl1271_translate_addr(wl, addr), val);
-}
-
-u32 wl1271_reg_read32(struct wl1271 *wl, int addr)
-{
-	return wl1271_read32(wl, wl1271_translate_addr(wl, addr));
-}
-
-void wl1271_reg_write32(struct wl1271 *wl, int addr, u32 val)
-{
-	wl1271_write32(wl, wl1271_translate_addr(wl, addr), val);
+	wl1271_raw_write32(wl, wl1271_translate_addr(wl, addr), val);
 }
 
 void wl1271_top_reg_write(struct wl1271 *wl, int addr, u16 val)
 {
 	/* write address >> 1 + 0x30000 to OCP_POR_CTR */
 	addr = (addr >> 1) + 0x30000;
-	wl1271_reg_write32(wl, OCP_POR_CTR, addr);
+	wl1271_spi_write32(wl, OCP_POR_CTR, addr);
 
 	/* write value to OCP_POR_WDATA */
-	wl1271_reg_write32(wl, OCP_DATA_WRITE, val);
+	wl1271_spi_write32(wl, OCP_DATA_WRITE, val);
 
 	/* write 1 to OCP_CMD */
-	wl1271_reg_write32(wl, OCP_CMD, OCP_CMD_WRITE);
+	wl1271_spi_write32(wl, OCP_CMD, OCP_CMD_WRITE);
 }
 
 u16 wl1271_top_reg_read(struct wl1271 *wl, int addr)
@@ -416,14 +386,14 @@ u16 wl1271_top_reg_read(struct wl1271 *wl, int addr)
 
 	/* write address >> 1 + 0x30000 to OCP_POR_CTR */
 	addr = (addr >> 1) + 0x30000;
-	wl1271_reg_write32(wl, OCP_POR_CTR, addr);
+	wl1271_spi_write32(wl, OCP_POR_CTR, addr);
 
 	/* write 2 to OCP_CMD */
-	wl1271_reg_write32(wl, OCP_CMD, OCP_CMD_READ);
+	wl1271_spi_write32(wl, OCP_CMD, OCP_CMD_READ);
 
 	/* poll for data ready */
 	do {
-		val = wl1271_reg_read32(wl, OCP_DATA_READ);
+		val = wl1271_spi_read32(wl, OCP_DATA_READ);
 		timeout--;
 	} while (!(val & OCP_READY_MASK) && timeout);
 
@@ -440,4 +410,3 @@ u16 wl1271_top_reg_read(struct wl1271 *wl, int addr)
 		return 0xffff;
 	}
 }
-
diff --git a/drivers/net/wireless/wl12xx/wl1271_spi.h b/drivers/net/wireless/wl12xx/wl1271_spi.h
index 4f1608e99c2..cb7df1c5631 100644
--- a/drivers/net/wireless/wl12xx/wl1271_spi.h
+++ b/drivers/net/wireless/wl12xx/wl1271_spi.h
@@ -85,24 +85,18 @@
 #define OCP_STATUS_RESP_ERROR 0x30000
 
 /* Raw target IO, address is not translated */
-void wl1271_spi_write(struct wl1271 *wl, int addr, void *buf,
+void wl1271_spi_raw_write(struct wl1271 *wl, int addr, void *buf,
 		      size_t len, bool fixed);
-void wl1271_spi_read(struct wl1271 *wl, int addr, void *buf,
+void wl1271_spi_raw_read(struct wl1271 *wl, int addr, void *buf,
 		     size_t len, bool fixed);
 
-/* Memory target IO, address is tranlated to partition 0 */
-void wl1271_spi_mem_read(struct wl1271 *wl, int addr, void *buf, size_t len);
-void wl1271_spi_mem_write(struct wl1271 *wl, int addr, void *buf, size_t len);
-u32 wl1271_mem_read32(struct wl1271 *wl, int addr);
-void wl1271_mem_write32(struct wl1271 *wl, int addr, u32 val);
-
-/* Registers IO */
-void wl1271_spi_reg_read(struct wl1271 *wl, int addr, void *buf, size_t len,
-			 bool fixed);
-void wl1271_spi_reg_write(struct wl1271 *wl, int addr, void *buf, size_t len,
-			  bool fixed);
-u32 wl1271_reg_read32(struct wl1271 *wl, int addr);
-void wl1271_reg_write32(struct wl1271 *wl, int addr, u32 val);
+/* Translated target IO */
+void wl1271_spi_read(struct wl1271 *wl, int addr, void *buf, size_t len,
+		     bool fixed);
+void wl1271_spi_write(struct wl1271 *wl, int addr, void *buf, size_t len,
+		      bool fixed);
+u32 wl1271_spi_read32(struct wl1271 *wl, int addr);
+void wl1271_spi_write32(struct wl1271 *wl, int addr, u32 val);
 
 /* Top Register IO */
 void wl1271_top_reg_write(struct wl1271 *wl, int addr, u16 val);
@@ -114,19 +108,19 @@ void wl1271_spi_init(struct wl1271 *wl);
 int wl1271_set_partition(struct wl1271 *wl,
 			 struct wl1271_partition_set *p);
 
-static inline u32 wl1271_read32(struct wl1271 *wl, int addr)
+static inline u32 wl1271_raw_read32(struct wl1271 *wl, int addr)
 {
-	wl1271_spi_read(wl, addr, &wl->buffer_32,
-			sizeof(wl->buffer_32), false);
+	wl1271_spi_raw_read(wl, addr, &wl->buffer_32,
+			    sizeof(wl->buffer_32), false);
 
 	return wl->buffer_32;
 }
 
-static inline void wl1271_write32(struct wl1271 *wl, int addr, u32 val)
+static inline void wl1271_raw_write32(struct wl1271 *wl, int addr, u32 val)
 {
 	wl->buffer_32 = val;
-	wl1271_spi_write(wl, addr, &wl->buffer_32,
-			 sizeof(wl->buffer_32), false);
+	wl1271_spi_raw_write(wl, addr, &wl->buffer_32,
+			     sizeof(wl->buffer_32), false);
 }
 
 #endif /* __WL1271_SPI_H__ */
diff --git a/drivers/net/wireless/wl12xx/wl1271_tx.c b/drivers/net/wireless/wl12xx/wl1271_tx.c
index 56a7f36380b..4560458a6d6 100644
--- a/drivers/net/wireless/wl12xx/wl1271_tx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_tx.c
@@ -154,11 +154,11 @@ static int wl1271_tx_send_packet(struct wl1271 *wl, struct sk_buff *skb,
 	len = WL1271_TX_ALIGN(skb->len);
 
 	/* perform a fixed address block write with the packet */
-	wl1271_spi_reg_write(wl, WL1271_SLV_MEM_DATA, skb->data, len, true);
+	wl1271_spi_write(wl, WL1271_SLV_MEM_DATA, skb->data, len, true);
 
 	/* write packet new counter into the write access register */
 	wl->tx_packets_count++;
-	wl1271_reg_write32(wl, WL1271_HOST_WR_ACCESS, wl->tx_packets_count);
+	wl1271_spi_write32(wl, WL1271_HOST_WR_ACCESS, wl->tx_packets_count);
 
 	desc = (struct wl1271_tx_hw_descr *) skb->data;
 	wl1271_debug(DEBUG_TX, "tx id %u skb 0x%p payload %u (%u words)",
@@ -331,8 +331,8 @@ void wl1271_tx_complete(struct wl1271 *wl, u32 count)
 	wl1271_debug(DEBUG_TX, "tx_complete received, packets: %d", count);
 
 	/* read the tx results from the chipset */
-	wl1271_spi_mem_read(wl, memmap->tx_result,
-			    wl->tx_res_if, sizeof(*wl->tx_res_if));
+	wl1271_spi_read(wl, memmap->tx_result,
+			wl->tx_res_if, sizeof(*wl->tx_res_if), false);
 
 	/* verify that the result buffer is not getting overrun */
 	if (count > TX_HW_RESULT_QUEUE_LEN) {
@@ -353,7 +353,7 @@ void wl1271_tx_complete(struct wl1271 *wl, u32 count)
 	}
 
 	/* write host counter to chipset (to ack) */
-	wl1271_mem_write32(wl, memmap->tx_result +
+	wl1271_spi_write32(wl, memmap->tx_result +
 			   offsetof(struct wl1271_tx_hw_res_if,
 				    tx_result_host_counter),
 			   wl->tx_res_if->tx_result_fw_counter);
-- 
GitLab


From 8bcfcb125b036e978b1bd478d3f68278b05bcfd6 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Mon, 12 Oct 2009 15:08:55 +0300
Subject: [PATCH 0495/1815] wl1271: Update boot time configuration for the new
 firmware

Update the magic values of the wl1271 boot time config according to the new
reference driver.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_init.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_init.c b/drivers/net/wireless/wl12xx/wl1271_init.c
index f9315f601bd..e45af075e67 100644
--- a/drivers/net/wireless/wl12xx/wl1271_init.c
+++ b/drivers/net/wireless/wl12xx/wl1271_init.c
@@ -202,7 +202,7 @@ static int wl1271_init_general_parms(struct wl1271 *wl)
 	gen_parms->clk_valid_on_wakeup = 0;
 	gen_parms->dc2dcmode = 0;
 	gen_parms->single_dual_band = 0;
-	gen_parms->tx_bip_fem_autodetect = 1;
+	gen_parms->tx_bip_fem_autodetect = 0;
 	gen_parms->tx_bip_fem_manufacturer = 1;
 	gen_parms->settings = 1;
 
-- 
GitLab


From 0535d9f4f07df9a592b77fe75f66faee66a851e8 Mon Sep 17 00:00:00 2001
From: Luciano Coelho <luciano.coelho@nokia.com>
Date: Mon, 12 Oct 2009 15:08:56 +0300
Subject: [PATCH 0496/1815] wl1271: use acx_rx_config instead of join when
 updating filters

We shouldn't use a join command to change the filter settings while
associated.  The right way to do it is to use ACX_RX_CFG.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_main.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 5ef0bd53af6..fc0d03fd24c 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -422,7 +422,7 @@ static void wl1271_filter_work(struct work_struct *work)
 		goto out;
 
 	/* apply configured filters */
-	ret = wl1271_cmd_join(wl);
+	ret = wl1271_acx_rx_config(wl, wl->rx_config, wl->rx_filter);
 	if (ret < 0)
 		goto out_sleep;
 
@@ -869,6 +869,8 @@ static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, int mc_count,
 			wl1271_warning("Unknown mc address length.");
 	}
 
+	/* FIXME: We still need to set our filters properly */
+
 	spin_lock_irqsave(&wl->wl_lock, flags);
 	kfree(wl->filter_params);
 	wl->filter_params = fp;
-- 
GitLab


From ae751bab9f55c3152ebf713c89a4fb6f439c2575 Mon Sep 17 00:00:00 2001
From: Luciano Coelho <luciano.coelho@nokia.com>
Date: Mon, 12 Oct 2009 15:08:57 +0300
Subject: [PATCH 0497/1815] wl1271: remove unnecessary joins and join only when
 the bssid changes

We were using the join command to change some settings when the stack asked
us to do it.  In many cases they were not needed (and could cause potential
problems), so they were removed.  In other cases there are ACX commands that
can be used instead of using join to reconfigure.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271.h      |  4 --
 drivers/net/wireless/wl12xx/wl1271_cmd.c  |  4 +-
 drivers/net/wireless/wl12xx/wl1271_main.c | 61 ++++++++---------------
 3 files changed, 24 insertions(+), 45 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h
index b2bc7b59d64..aa9bb2ea855 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl1271.h
@@ -378,10 +378,6 @@ struct wl1271 {
 	/* Our association ID */
 	u16 aid;
 
-	/* Beacon parameters */
-	u16 beacon_int;
-	u8 dtim_period;
-
 	/* currently configured rate set */
 	u32 basic_rate_set;
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c
index f727744dcff..eaa1de97339 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.c
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c
@@ -232,8 +232,8 @@ int wl1271_cmd_join(struct wl1271 *wl)
 	join->basic_rate_set = RATE_MASK_1MBPS | RATE_MASK_2MBPS |
 		RATE_MASK_5_5MBPS | RATE_MASK_11MBPS;
 
-	join->beacon_interval = wl->beacon_int;
-	join->dtim_interval = wl->dtim_period;
+	join->beacon_interval = WL1271_DEFAULT_BEACON_INT;
+	join->dtim_interval = WL1271_DEFAULT_DTIM_PERIOD;
 	join->bss_type = wl->bss_type;
 	join->channel = wl->channel;
 	join->ssid_len = wl->ssid_len;
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index fc0d03fd24c..821a7752adf 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -710,7 +710,15 @@ static int wl1271_op_config_interface(struct ieee80211_hw *hw,
 	if (ret < 0)
 		goto out;
 
-	memcpy(wl->bssid, conf->bssid, ETH_ALEN);
+	if (memcmp(wl->bssid, conf->bssid, ETH_ALEN)) {
+		wl1271_debug(DEBUG_MAC80211, "bssid changed");
+
+		memcpy(wl->bssid, conf->bssid, ETH_ALEN);
+
+		ret = wl1271_cmd_join(wl);
+		if (ret < 0)
+			goto out_sleep;
+	}
 
 	ret = wl1271_cmd_build_null_data(wl);
 	if (ret < 0)
@@ -720,12 +728,6 @@ static int wl1271_op_config_interface(struct ieee80211_hw *hw,
 	if (wl->ssid_len)
 		memcpy(wl->ssid, conf->ssid, wl->ssid_len);
 
-	if (wl->bss_type != BSS_TYPE_IBSS) {
-		ret = wl1271_cmd_join(wl);
-		if (ret < 0)
-			goto out_sleep;
-	}
-
 	if (conf->changed & IEEE80211_IFCC_BEACON) {
 		beacon = ieee80211_beacon_get(hw, vif);
 		ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON,
@@ -741,11 +743,6 @@ static int wl1271_op_config_interface(struct ieee80211_hw *hw,
 
 		dev_kfree_skb(beacon);
 
-		if (ret < 0)
-			goto out_sleep;
-
-		ret = wl1271_cmd_join(wl);
-
 		if (ret < 0)
 			goto out_sleep;
 	}
@@ -782,14 +779,13 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
 		goto out;
 
 	if (channel != wl->channel) {
-		u8 old_channel = wl->channel;
+		/*
+		 * We assume that the stack will configure the right channel
+		 * before associating, so we don't need to send a join
+		 * command here.  We will join the right channel when the
+		 * BSSID changes
+		 */
 		wl->channel = channel;
-
-		ret = wl1271_cmd_join(wl);
-		if (ret < 0) {
-			wl->channel = old_channel;
-			goto out_sleep;
-		}
 	}
 
 	ret = wl1271_cmd_build_null_data(wl);
@@ -1102,17 +1098,14 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
 
 	if (changed & BSS_CHANGED_ASSOC) {
 		if (bss_conf->assoc) {
-			wl->beacon_int = bss_conf->beacon_int;
-			wl->dtim_period = bss_conf->dtim_period;
 			wl->aid = bss_conf->aid;
 
-			ret = wl1271_cmd_join(wl);
-			if (ret < 0) {
-				wl1271_warning("Association configuration "
-					       "failed %d", ret);
-				goto out_sleep;
-			}
-
+			/*
+			 * with wl1271, we don't need to update the
+			 * beacon_int and dtim_period, because the firmware
+			 * updates it by itself when the first beacon is
+			 * received after a join.
+			 */
 			ret = wl1271_cmd_build_ps_poll(wl, wl->aid);
 			if (ret < 0)
 				goto out_sleep;
@@ -1130,8 +1123,6 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
 			}
 		} else {
 			/* use defaults when not associated */
-			wl->beacon_int = WL1271_DEFAULT_BEACON_INT;
-			wl->dtim_period = WL1271_DEFAULT_DTIM_PERIOD;
 			wl->basic_rate_set = WL1271_DEFAULT_BASIC_RATE_SET;
 			wl->aid = 0;
 		}
@@ -1170,18 +1161,12 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
 	if (changed & BSS_CHANGED_BASIC_RATES) {
 		wl->basic_rate_set = wl1271_enabled_rates_get(
 			wl, bss_conf->basic_rates);
-		ret = wl1271_acx_rate_policies(wl, wl->basic_rate_set);
 
+		ret = wl1271_acx_rate_policies(wl, wl->basic_rate_set);
 		if (ret < 0) {
 			wl1271_warning("Set rate policies failed %d", ret);
 			goto out_sleep;
 		}
-		ret = wl1271_cmd_join(wl);
-		if (ret < 0) {
-			wl1271_warning("Join with new basic rate "
-				       "set failed %d", ret);
-			goto out_sleep;
-		}
 	}
 
 out_sleep:
@@ -1380,8 +1365,6 @@ static int __devinit wl1271_probe(struct spi_device *spi)
 	wl->psm_requested = false;
 	wl->tx_queue_stopped = false;
 	wl->power_level = WL1271_DEFAULT_POWER_LEVEL;
-	wl->beacon_int = WL1271_DEFAULT_BEACON_INT;
-	wl->dtim_period = WL1271_DEFAULT_DTIM_PERIOD;
 	wl->basic_rate_set = WL1271_DEFAULT_BASIC_RATE_SET;
 	wl->band = IEEE80211_BAND_2GHZ;
 	wl->vif = NULL;
-- 
GitLab


From 2f301227a1ede57504694e1f64839839f5737cac Mon Sep 17 00:00:00 2001
From: Zhu Yi <yi.zhu@intel.com>
Date: Fri, 9 Oct 2009 17:19:45 +0800
Subject: [PATCH 0498/1815] iwlwifi: use paged Rx

This switches the iwlwifi driver to use paged skb from linear skb for Rx
buffer. So that it relieves some Rx buffer allocation pressure for the
memory subsystem. Currently iwlwifi (4K for 3945) requests 8K bytes for
Rx buffer. Due to the trailing skb_shared_info in the skb->data,
alloc_skb() will do the next order allocation, which is 16K bytes. This
is suboptimal and more likely to fail when the system is under memory
usage pressure. Switching to paged Rx skb lets us allocate the RXB
directly by alloc_pages(), so that only order 1 allocation is required.

It also adjusts the area spin_lock (with IRQ disabled) protected in the
tasklet because tasklet guarentees to run only on one CPU and the new
unprotected code can be preempted by the IRQ handler. This saves us from
spawning another workqueue to make skb_linearize/__pskb_pull_tail happy
(which cannot be called in hard irq context).

Finally, mac80211 doesn't support paged Rx yet. So we linearize the skb
for all the management frames and software decryption or defragmentation
required data frames before handed to mac80211. For all the other frames,
we __pskb_pull_tail 64 bytes in the linear area of the skb for mac80211
to handle them properly.

Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-3945.c     |  67 +++++++----
 drivers/net/wireless/iwlwifi/iwl-4965.c     |   2 +-
 drivers/net/wireless/iwlwifi/iwl-5000.c     |   4 +-
 drivers/net/wireless/iwlwifi/iwl-agn.c      |  42 +++----
 drivers/net/wireless/iwlwifi/iwl-commands.h |  10 ++
 drivers/net/wireless/iwlwifi/iwl-core.c     |  13 +--
 drivers/net/wireless/iwlwifi/iwl-core.h     |   2 +-
 drivers/net/wireless/iwlwifi/iwl-dev.h      |  27 +++--
 drivers/net/wireless/iwlwifi/iwl-hcmd.c     |  21 +---
 drivers/net/wireless/iwlwifi/iwl-rx.c       | 122 ++++++++++++--------
 drivers/net/wireless/iwlwifi/iwl-scan.c     |  20 ++--
 drivers/net/wireless/iwlwifi/iwl-spectrum.c |   2 +-
 drivers/net/wireless/iwlwifi/iwl-sta.c      |  62 ++++------
 drivers/net/wireless/iwlwifi/iwl-tx.c       |  10 +-
 drivers/net/wireless/iwlwifi/iwl3945-base.c | 120 ++++++++++---------
 15 files changed, 284 insertions(+), 240 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 8012381d371..b188a026637 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -293,7 +293,7 @@ static void iwl3945_tx_queue_reclaim(struct iwl_priv *priv,
 static void iwl3945_rx_reply_tx(struct iwl_priv *priv,
 			    struct iwl_rx_mem_buffer *rxb)
 {
-	struct iwl_rx_packet *pkt = (void *)rxb->skb->data;
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	u16 sequence = le16_to_cpu(pkt->hdr.sequence);
 	int txq_id = SEQ_TO_QUEUE(sequence);
 	int index = SEQ_TO_INDEX(sequence);
@@ -353,7 +353,7 @@ static void iwl3945_rx_reply_tx(struct iwl_priv *priv,
 void iwl3945_hw_rx_statistics(struct iwl_priv *priv,
 		struct iwl_rx_mem_buffer *rxb)
 {
-	struct iwl_rx_packet *pkt = (void *)rxb->skb->data;
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	IWL_DEBUG_RX(priv, "Statistics notification received (%d vs %d).\n",
 		     (int)sizeof(struct iwl3945_notif_statistics),
 		     le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK);
@@ -543,14 +543,17 @@ static void iwl3945_pass_packet_to_mac80211(struct iwl_priv *priv,
 				   struct iwl_rx_mem_buffer *rxb,
 				   struct ieee80211_rx_status *stats)
 {
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)IWL_RX_DATA(pkt);
 	struct iwl3945_rx_frame_hdr *rx_hdr = IWL_RX_HDR(pkt);
 	struct iwl3945_rx_frame_end *rx_end = IWL_RX_END(pkt);
-	short len = le16_to_cpu(rx_hdr->len);
+	u16 len = le16_to_cpu(rx_hdr->len);
+	struct sk_buff *skb;
+	int ret;
 
 	/* We received data from the HW, so stop the watchdog */
-	if (unlikely((len + IWL39_RX_FRAME_SIZE) > skb_tailroom(rxb->skb))) {
+	if (unlikely(len + IWL39_RX_FRAME_SIZE >
+		     PAGE_SIZE << priv->hw_params.rx_page_order)) {
 		IWL_DEBUG_DROP(priv, "Corruption detected!\n");
 		return;
 	}
@@ -562,20 +565,45 @@ static void iwl3945_pass_packet_to_mac80211(struct iwl_priv *priv,
 		return;
 	}
 
-	skb_reserve(rxb->skb, (void *)rx_hdr->payload - (void *)pkt);
-	/* Set the size of the skb to the size of the frame */
-	skb_put(rxb->skb, le16_to_cpu(rx_hdr->len));
+	skb = alloc_skb(IWL_LINK_HDR_MAX, GFP_ATOMIC);
+	if (!skb) {
+		IWL_ERR(priv, "alloc_skb failed\n");
+		return;
+	}
 
 	if (!iwl3945_mod_params.sw_crypto)
 		iwl_set_decrypted_flag(priv,
-				       (struct ieee80211_hdr *)rxb->skb->data,
+				       (struct ieee80211_hdr *)rxb_addr(rxb),
 				       le32_to_cpu(rx_end->status), stats);
 
+	skb_add_rx_frag(skb, 0, rxb->page,
+			(void *)rx_hdr->payload - (void *)pkt, len);
+
+	/* mac80211 currently doesn't support paged SKB. Convert it to
+	 * linear SKB for management frame and data frame requires
+	 * software decryption or software defragementation. */
+	if (ieee80211_is_mgmt(hdr->frame_control) ||
+	    ieee80211_has_protected(hdr->frame_control) ||
+	    ieee80211_has_morefrags(hdr->frame_control) ||
+	    le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG)
+		ret = skb_linearize(skb);
+	else
+		ret = __pskb_pull_tail(skb, min_t(u16, IWL_LINK_HDR_MAX, len)) ?
+			0 : -ENOMEM;
+
+	if (ret) {
+		kfree_skb(skb);
+		goto out;
+	}
+
 	iwl_update_stats(priv, false, hdr->frame_control, len);
 
-	memcpy(IEEE80211_SKB_RXCB(rxb->skb), stats, sizeof(*stats));
-	ieee80211_rx_irqsafe(priv->hw, rxb->skb);
-	rxb->skb = NULL;
+	memcpy(IEEE80211_SKB_RXCB(skb), stats, sizeof(*stats));
+	ieee80211_rx(priv->hw, skb);
+
+ out:
+	priv->alloc_rxb_page--;
+	rxb->page = NULL;
 }
 
 #define IWL_DELAY_NEXT_SCAN_AFTER_ASSOC (HZ*6)
@@ -585,7 +613,7 @@ static void iwl3945_rx_reply_rx(struct iwl_priv *priv,
 {
 	struct ieee80211_hdr *header;
 	struct ieee80211_rx_status rx_status;
-	struct iwl_rx_packet *pkt = (void *)rxb->skb->data;
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	struct iwl3945_rx_frame_stats *rx_stats = IWL_RX_STATS(pkt);
 	struct iwl3945_rx_frame_hdr *rx_hdr = IWL_RX_HDR(pkt);
 	struct iwl3945_rx_frame_end *rx_end = IWL_RX_END(pkt);
@@ -1811,7 +1839,7 @@ int iwl3945_hw_reg_set_txpower(struct iwl_priv *priv, s8 power)
 static int iwl3945_send_rxon_assoc(struct iwl_priv *priv)
 {
 	int rc = 0;
-	struct iwl_rx_packet *res = NULL;
+	struct iwl_rx_packet *pkt;
 	struct iwl3945_rxon_assoc_cmd rxon_assoc;
 	struct iwl_host_cmd cmd = {
 		.id = REPLY_RXON_ASSOC,
@@ -1840,14 +1868,14 @@ static int iwl3945_send_rxon_assoc(struct iwl_priv *priv)
 	if (rc)
 		return rc;
 
-	res = (struct iwl_rx_packet *)cmd.reply_skb->data;
-	if (res->hdr.flags & IWL_CMD_FAILED_MSK) {
+	pkt = (struct iwl_rx_packet *)cmd.reply_page;
+	if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) {
 		IWL_ERR(priv, "Bad return from REPLY_RXON_ASSOC command\n");
 		rc = -EIO;
 	}
 
-	priv->alloc_rxb_skb--;
-	dev_kfree_skb_any(cmd.reply_skb);
+	priv->alloc_rxb_page--;
+	free_pages(cmd.reply_page, priv->hw_params.rx_page_order);
 
 	return rc;
 }
@@ -2513,8 +2541,7 @@ int iwl3945_hw_set_hw_params(struct iwl_priv *priv)
 	priv->hw_params.max_txq_num = priv->cfg->num_of_queues;
 
 	priv->hw_params.tfd_size = sizeof(struct iwl3945_tfd);
-	priv->hw_params.rx_buf_size = IWL_RX_BUF_SIZE_3K;
-	priv->hw_params.max_pkt_size = 2342;
+	priv->hw_params.rx_page_order = get_order(IWL_RX_BUF_SIZE_3K);
 	priv->hw_params.max_rxq_size = RX_QUEUE_SIZE;
 	priv->hw_params.max_rxq_log = RX_QUEUE_SIZE_LOG;
 	priv->hw_params.max_stations = IWL3945_STATION_COUNT;
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index 6d77039b4ed..1a622aa5a16 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -1999,7 +1999,7 @@ static int iwl4965_tx_status_reply_tx(struct iwl_priv *priv,
 static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
 				struct iwl_rx_mem_buffer *rxb)
 {
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	u16 sequence = le16_to_cpu(pkt->hdr.sequence);
 	int txq_id = SEQ_TO_QUEUE(sequence);
 	int index = SEQ_TO_INDEX(sequence);
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index ab5b9d8d66b..17555c7c1d6 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -423,7 +423,7 @@ static int iwl5000_send_calib_cfg(struct iwl_priv *priv)
 static void iwl5000_rx_calib_result(struct iwl_priv *priv,
 			     struct iwl_rx_mem_buffer *rxb)
 {
-	struct iwl_rx_packet *pkt = (void *)rxb->skb->data;
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	struct iwl_calib_hdr *hdr = (struct iwl_calib_hdr *)pkt->u.raw;
 	int len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
 	int index;
@@ -1143,7 +1143,7 @@ static int iwl5000_tx_status_reply_tx(struct iwl_priv *priv,
 static void iwl5000_rx_reply_tx(struct iwl_priv *priv,
 				struct iwl_rx_mem_buffer *rxb)
 {
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	u16 sequence = le16_to_cpu(pkt->hdr.sequence);
 	int txq_id = SEQ_TO_QUEUE(sequence);
 	int index = SEQ_TO_INDEX(sequence);
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 0878b34ee58..fc7a51144f0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -524,7 +524,7 @@ int iwl_hw_tx_queue_init(struct iwl_priv *priv,
 static void iwl_rx_reply_alive(struct iwl_priv *priv,
 				struct iwl_rx_mem_buffer *rxb)
 {
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	struct iwl_alive_resp *palive;
 	struct delayed_work *pwork;
 
@@ -610,7 +610,7 @@ static void iwl_rx_beacon_notif(struct iwl_priv *priv,
 				struct iwl_rx_mem_buffer *rxb)
 {
 #ifdef CONFIG_IWLWIFI_DEBUG
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	struct iwl4965_beacon_notif *beacon =
 		(struct iwl4965_beacon_notif *)pkt->u.raw;
 	u8 rate = iwl_hw_get_rate(beacon->beacon_notify_hdr.rate_n_flags);
@@ -634,7 +634,7 @@ static void iwl_rx_beacon_notif(struct iwl_priv *priv,
 static void iwl_rx_card_state_notif(struct iwl_priv *priv,
 				    struct iwl_rx_mem_buffer *rxb)
 {
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	u32 flags = le32_to_cpu(pkt->u.card_state_notif.flags);
 	unsigned long status = priv->status;
 
@@ -786,10 +786,10 @@ void iwl_rx_handle(struct iwl_priv *priv)
 
 		rxq->queue[i] = NULL;
 
-		pci_unmap_single(priv->pci_dev, rxb->real_dma_addr,
-				 priv->hw_params.rx_buf_size + 256,
-				 PCI_DMA_FROMDEVICE);
-		pkt = (struct iwl_rx_packet *)rxb->skb->data;
+		pci_unmap_page(priv->pci_dev, rxb->page_dma,
+			       PAGE_SIZE << priv->hw_params.rx_page_order,
+			       PCI_DMA_FROMDEVICE);
+		pkt = rxb_addr(rxb);
 
 		trace_iwlwifi_dev_rx(priv, pkt,
 			le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK);
@@ -825,10 +825,10 @@ void iwl_rx_handle(struct iwl_priv *priv)
 		}
 
 		if (reclaim) {
-			/* Invoke any callbacks, transfer the skb to caller, and
-			 * fire off the (possibly) blocking iwl_send_cmd()
+			/* Invoke any callbacks, transfer the buffer to caller,
+			 * and fire off the (possibly) blocking iwl_send_cmd()
 			 * as we reclaim the driver command queue */
-			if (rxb && rxb->skb)
+			if (rxb && rxb->page)
 				iwl_tx_cmd_complete(priv, rxb);
 			else
 				IWL_WARN(priv, "Claim null rxb?\n");
@@ -837,10 +837,10 @@ void iwl_rx_handle(struct iwl_priv *priv)
 		/* For now we just don't re-use anything.  We can tweak this
 		 * later to try and re-use notification packets and SKBs that
 		 * fail to Rx correctly */
-		if (rxb->skb != NULL) {
-			priv->alloc_rxb_skb--;
-			dev_kfree_skb_any(rxb->skb);
-			rxb->skb = NULL;
+		if (rxb->page != NULL) {
+			priv->alloc_rxb_page--;
+			__free_pages(rxb->page, priv->hw_params.rx_page_order);
+			rxb->page = NULL;
 		}
 
 		spin_lock_irqsave(&rxq->lock, flags);
@@ -907,6 +907,8 @@ static void iwl_irq_tasklet_legacy(struct iwl_priv *priv)
 	}
 #endif
 
+	spin_unlock_irqrestore(&priv->lock, flags);
+
 	/* Since CSR_INT and CSR_FH_INT_STATUS reads and clears are not
 	 * atomic, make sure that inta covers all the interrupts that
 	 * we've discovered, even if FH interrupt came in just after
@@ -928,8 +930,6 @@ static void iwl_irq_tasklet_legacy(struct iwl_priv *priv)
 
 		handled |= CSR_INT_BIT_HW_ERR;
 
-		spin_unlock_irqrestore(&priv->lock, flags);
-
 		return;
 	}
 
@@ -1056,7 +1056,6 @@ static void iwl_irq_tasklet_legacy(struct iwl_priv *priv)
 			"flags 0x%08lx\n", inta, inta_mask, inta_fh, flags);
 	}
 #endif
-	spin_unlock_irqrestore(&priv->lock, flags);
 }
 
 /* tasklet for iwlagn interrupt */
@@ -1086,6 +1085,9 @@ static void iwl_irq_tasklet(struct iwl_priv *priv)
 				inta, inta_mask);
 	}
 #endif
+
+	spin_unlock_irqrestore(&priv->lock, flags);
+
 	/* saved interrupt in inta variable now we can reset priv->inta */
 	priv->inta = 0;
 
@@ -1101,8 +1103,6 @@ static void iwl_irq_tasklet(struct iwl_priv *priv)
 
 		handled |= CSR_INT_BIT_HW_ERR;
 
-		spin_unlock_irqrestore(&priv->lock, flags);
-
 		return;
 	}
 
@@ -1242,14 +1242,10 @@ static void iwl_irq_tasklet(struct iwl_priv *priv)
 			 inta & ~priv->inta_mask);
 	}
 
-
 	/* Re-enable all interrupts */
 	/* only Re-enable if diabled by irq */
 	if (test_bit(STATUS_INT_ENABLED, &priv->status))
 		iwl_enable_interrupts(priv);
-
-	spin_unlock_irqrestore(&priv->lock, flags);
-
 }
 
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index cc4e9122709..7d4f131708f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -3544,6 +3544,16 @@ struct iwl_wimax_coex_cmd {
  *****************************************************************************/
 
 struct iwl_rx_packet {
+	/*
+	 * The first 4 bytes of the RX frame header contain both the RX frame
+	 * size and some flags.
+	 * Bit fields:
+	 * 31:    flag flush RB request
+	 * 30:    flag ignore TC (terminal counter) request
+	 * 29:    flag fast IRQ request
+	 * 28-14: Reserved
+	 * 13-00: RX frame size
+	 */
 	__le32 len_n_flags;
 	struct iwl_cmd_header hdr;
 	union {
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 2ae168af0f2..3e6ce5ce36a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1281,7 +1281,7 @@ static void iwl_set_rate(struct iwl_priv *priv)
 
 void iwl_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
 {
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	struct iwl_rxon_cmd *rxon = (void *)&priv->active_rxon;
 	struct iwl_csa_notification *csa = &(pkt->u.csa_notif);
 	IWL_DEBUG_11H(priv, "CSA notif: channel %d, status %d\n",
@@ -1492,10 +1492,9 @@ int iwl_set_hw_params(struct iwl_priv *priv)
 	priv->hw_params.max_rxq_size = RX_QUEUE_SIZE;
 	priv->hw_params.max_rxq_log = RX_QUEUE_SIZE_LOG;
 	if (priv->cfg->mod_params->amsdu_size_8K)
-		priv->hw_params.rx_buf_size = IWL_RX_BUF_SIZE_8K;
+		priv->hw_params.rx_page_order = get_order(IWL_RX_BUF_SIZE_8K);
 	else
-		priv->hw_params.rx_buf_size = IWL_RX_BUF_SIZE_4K;
-	priv->hw_params.max_pkt_size = priv->hw_params.rx_buf_size - 256;
+		priv->hw_params.rx_page_order = get_order(IWL_RX_BUF_SIZE_4K);
 
 	priv->hw_params.max_beacon_itrvl = IWL_MAX_UCODE_BEACON_INTERVAL;
 
@@ -2176,7 +2175,7 @@ void iwl_rx_pm_sleep_notif(struct iwl_priv *priv,
 			   struct iwl_rx_mem_buffer *rxb)
 {
 #ifdef CONFIG_IWLWIFI_DEBUG
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	struct iwl_sleep_notification *sleep = &(pkt->u.sleep_notif);
 	IWL_DEBUG_RX(priv, "sleep mode: %d, src: %d\n",
 		     sleep->pm_sleep_mode, sleep->pm_wakeup_src);
@@ -2187,7 +2186,7 @@ EXPORT_SYMBOL(iwl_rx_pm_sleep_notif);
 void iwl_rx_pm_debug_statistics_notif(struct iwl_priv *priv,
 				      struct iwl_rx_mem_buffer *rxb)
 {
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	u32 len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
 	IWL_DEBUG_RADIO(priv, "Dumping %d bytes of unhandled "
 			"notification for %s:\n", len,
@@ -2199,7 +2198,7 @@ EXPORT_SYMBOL(iwl_rx_pm_debug_statistics_notif);
 void iwl_rx_reply_error(struct iwl_priv *priv,
 			struct iwl_rx_mem_buffer *rxb)
 {
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 
 	IWL_ERR(priv, "Error Reply type 0x%08X cmd %s (0x%02X) "
 		"seq 0x%04X ser 0x%08X\n",
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index cec673badf0..b877f8893fd 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -531,7 +531,7 @@ int iwl_send_cmd_pdu_async(struct iwl_priv *priv, u8 id, u16 len,
 			   const void *data,
 			   void (*callback)(struct iwl_priv *priv,
 					    struct iwl_device_cmd *cmd,
-					    struct sk_buff *skb));
+					    struct iwl_rx_packet *pkt));
 
 int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 451aa65b1a5..35d579455c3 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -146,12 +146,13 @@ extern void iwl5000_temperature(struct iwl_priv *priv);
 #define	DEFAULT_LONG_RETRY_LIMIT  4U
 
 struct iwl_rx_mem_buffer {
-	dma_addr_t real_dma_addr;
-	dma_addr_t aligned_dma_addr;
-	struct sk_buff *skb;
+	dma_addr_t page_dma;
+	struct page *page;
 	struct list_head list;
 };
 
+#define rxb_addr(r) page_address(r->page)
+
 /* defined below */
 struct iwl_device_cmd;
 
@@ -167,7 +168,7 @@ struct iwl_cmd_meta {
 	 */
 	void (*callback)(struct iwl_priv *priv,
 			 struct iwl_device_cmd *cmd,
-			 struct sk_buff *skb);
+			 struct iwl_rx_packet *pkt);
 
 	/* The CMD_SIZE_HUGE flag bit indicates that the command
 	 * structure is stored at the end of the shared queue memory. */
@@ -366,6 +367,13 @@ enum {
 
 #define IWL_CMD_MAX_PAYLOAD 320
 
+/*
+ * IWL_LINK_HDR_MAX should include ieee80211_hdr, radiotap header,
+ * SNAP header and alignment. It should also be big enough for 802.11
+ * control frames.
+ */
+#define IWL_LINK_HDR_MAX 64
+
 /**
  * struct iwl_device_cmd
  *
@@ -390,10 +398,10 @@ struct iwl_device_cmd {
 
 struct iwl_host_cmd {
 	const void *data;
-	struct sk_buff *reply_skb;
+	unsigned long reply_page;
 	void (*callback)(struct iwl_priv *priv,
 			 struct iwl_device_cmd *cmd,
-			 struct sk_buff *skb);
+			 struct iwl_rx_packet *pkt);
 	u32 flags;
 	u16 len;
 	u8 id;
@@ -650,7 +658,7 @@ struct iwl_sensitivity_ranges {
  * @valid_tx/rx_ant: usable antennas
  * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
  * @max_rxq_log: Log-base-2 of max_rxq_size
- * @rx_buf_size: Rx buffer size
+ * @rx_page_order: Rx buffer page order
  * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR
  * @max_stations:
  * @bcast_sta_id:
@@ -673,9 +681,8 @@ struct iwl_hw_params {
 	u8  valid_rx_ant;
 	u16 max_rxq_size;
 	u16 max_rxq_log;
-	u32 rx_buf_size;
+	u32 rx_page_order;
 	u32 rx_wrt_ptr_reg;
-	u32 max_pkt_size;
 	u8  max_stations;
 	u8  bcast_sta_id;
 	u8  ht40_channel;
@@ -987,7 +994,7 @@ struct iwl_priv {
 	int frames_count;
 
 	enum ieee80211_band band;
-	int alloc_rxb_skb;
+	int alloc_rxb_page;
 
 	void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
 				       struct iwl_rx_mem_buffer *rxb);
diff --git a/drivers/net/wireless/iwlwifi/iwl-hcmd.c b/drivers/net/wireless/iwlwifi/iwl-hcmd.c
index 532c8d6cd8d..22a21a1c7f4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-hcmd.c
+++ b/drivers/net/wireless/iwlwifi/iwl-hcmd.c
@@ -103,17 +103,8 @@ EXPORT_SYMBOL(get_cmd_string);
 
 static void iwl_generic_cmd_callback(struct iwl_priv *priv,
 				     struct iwl_device_cmd *cmd,
-				     struct sk_buff *skb)
+				     struct iwl_rx_packet *pkt)
 {
-	struct iwl_rx_packet *pkt = NULL;
-
-	if (!skb) {
-		IWL_ERR(priv, "Error: Response NULL in %s.\n",
-				get_cmd_string(cmd->hdr.cmd));
-		return;
-	}
-
-	pkt = (struct iwl_rx_packet *)skb->data;
 	if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) {
 		IWL_ERR(priv, "Bad return from %s (0x%08X)\n",
 			get_cmd_string(cmd->hdr.cmd), pkt->hdr.flags);
@@ -215,7 +206,7 @@ int iwl_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
 		ret = -EIO;
 		goto fail;
 	}
-	if ((cmd->flags & CMD_WANT_SKB) && !cmd->reply_skb) {
+	if ((cmd->flags & CMD_WANT_SKB) && !cmd->reply_page) {
 		IWL_ERR(priv, "Error: Response NULL in '%s'\n",
 			  get_cmd_string(cmd->id));
 		ret = -EIO;
@@ -237,9 +228,9 @@ cancel:
 							~CMD_WANT_SKB;
 	}
 fail:
-	if (cmd->reply_skb) {
-		dev_kfree_skb_any(cmd->reply_skb);
-		cmd->reply_skb = NULL;
+	if (cmd->reply_page) {
+		free_pages(cmd->reply_page, priv->hw_params.rx_page_order);
+		cmd->reply_page = 0;
 	}
 out:
 	clear_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status);
@@ -272,7 +263,7 @@ int iwl_send_cmd_pdu_async(struct iwl_priv *priv,
 			   u8 id, u16 len, const void *data,
 			   void (*callback)(struct iwl_priv *priv,
 					    struct iwl_device_cmd *cmd,
-					    struct sk_buff *skb))
+					    struct iwl_rx_packet *pkt))
 {
 	struct iwl_host_cmd cmd = {
 		.id = id,
diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c
index 7ad327ef9cb..0a407f79de0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-rx.c
@@ -200,7 +200,7 @@ int iwl_rx_queue_restock(struct iwl_priv *priv)
 		list_del(element);
 
 		/* Point to Rx buffer via next RBD in circular buffer */
-		rxq->bd[rxq->write] = iwl_dma_addr2rbd_ptr(priv, rxb->aligned_dma_addr);
+		rxq->bd[rxq->write] = iwl_dma_addr2rbd_ptr(priv, rxb->page_dma);
 		rxq->queue[rxq->write] = rxb;
 		rxq->write = (rxq->write + 1) & RX_QUEUE_MASK;
 		rxq->free_count--;
@@ -239,7 +239,7 @@ void iwl_rx_allocate(struct iwl_priv *priv, gfp_t priority)
 	struct iwl_rx_queue *rxq = &priv->rxq;
 	struct list_head *element;
 	struct iwl_rx_mem_buffer *rxb;
-	struct sk_buff *skb;
+	struct page *page;
 	unsigned long flags;
 
 	while (1) {
@@ -252,29 +252,34 @@ void iwl_rx_allocate(struct iwl_priv *priv, gfp_t priority)
 
 		if (rxq->free_count > RX_LOW_WATERMARK)
 			priority |= __GFP_NOWARN;
-		/* Alloc a new receive buffer */
-		skb = alloc_skb(priv->hw_params.rx_buf_size + 256,
-						priority);
 
-		if (!skb) {
+		if (priv->hw_params.rx_page_order > 0)
+			priority |= __GFP_COMP;
+
+		/* Alloc a new receive buffer */
+		page = alloc_pages(priority, priv->hw_params.rx_page_order);
+		if (!page) {
 			if (net_ratelimit())
-				IWL_DEBUG_INFO(priv, "Failed to allocate SKB buffer.\n");
+				IWL_DEBUG_INFO(priv, "alloc_pages failed, "
+					       "order: %d\n",
+					       priv->hw_params.rx_page_order);
+
 			if ((rxq->free_count <= RX_LOW_WATERMARK) &&
 			    net_ratelimit())
-				IWL_CRIT(priv, "Failed to allocate SKB buffer with %s. Only %u free buffers remaining.\n",
+				IWL_CRIT(priv, "Failed to alloc_pages with %s. Only %u free buffers remaining.\n",
 					 priority == GFP_ATOMIC ?  "GFP_ATOMIC" : "GFP_KERNEL",
 					 rxq->free_count);
 			/* We don't reschedule replenish work here -- we will
 			 * call the restock method and if it still needs
 			 * more buffers it will schedule replenish */
-			break;
+			return;
 		}
 
 		spin_lock_irqsave(&rxq->lock, flags);
 
 		if (list_empty(&rxq->rx_used)) {
 			spin_unlock_irqrestore(&rxq->lock, flags);
-			dev_kfree_skb_any(skb);
+			__free_pages(page, priv->hw_params.rx_page_order);
 			return;
 		}
 		element = rxq->rx_used.next;
@@ -283,24 +288,21 @@ void iwl_rx_allocate(struct iwl_priv *priv, gfp_t priority)
 
 		spin_unlock_irqrestore(&rxq->lock, flags);
 
-		rxb->skb = skb;
-		/* Get physical address of RB/SKB */
-		rxb->real_dma_addr = pci_map_single(
-					priv->pci_dev,
-					rxb->skb->data,
-					priv->hw_params.rx_buf_size + 256,
-					PCI_DMA_FROMDEVICE);
+		rxb->page = page;
+		/* Get physical address of the RB */
+		rxb->page_dma = pci_map_page(priv->pci_dev, page, 0,
+				PAGE_SIZE << priv->hw_params.rx_page_order,
+				PCI_DMA_FROMDEVICE);
 		/* dma address must be no more than 36 bits */
-		BUG_ON(rxb->real_dma_addr & ~DMA_BIT_MASK(36));
+		BUG_ON(rxb->page_dma & ~DMA_BIT_MASK(36));
 		/* and also 256 byte aligned! */
-		rxb->aligned_dma_addr = ALIGN(rxb->real_dma_addr, 256);
-		skb_reserve(rxb->skb, rxb->aligned_dma_addr - rxb->real_dma_addr);
+		BUG_ON(rxb->page_dma & DMA_BIT_MASK(8));
 
 		spin_lock_irqsave(&rxq->lock, flags);
 
 		list_add_tail(&rxb->list, &rxq->rx_free);
 		rxq->free_count++;
-		priv->alloc_rxb_skb++;
+		priv->alloc_rxb_page++;
 
 		spin_unlock_irqrestore(&rxq->lock, flags);
 	}
@@ -336,12 +338,14 @@ void iwl_rx_queue_free(struct iwl_priv *priv, struct iwl_rx_queue *rxq)
 {
 	int i;
 	for (i = 0; i < RX_QUEUE_SIZE + RX_FREE_BUFFERS; i++) {
-		if (rxq->pool[i].skb != NULL) {
-			pci_unmap_single(priv->pci_dev,
-					 rxq->pool[i].real_dma_addr,
-					 priv->hw_params.rx_buf_size + 256,
-					 PCI_DMA_FROMDEVICE);
-			dev_kfree_skb(rxq->pool[i].skb);
+		if (rxq->pool[i].page != NULL) {
+			pci_unmap_page(priv->pci_dev, rxq->pool[i].page_dma,
+				PAGE_SIZE << priv->hw_params.rx_page_order,
+				PCI_DMA_FROMDEVICE);
+			__free_pages(rxq->pool[i].page,
+				     priv->hw_params.rx_page_order);
+			rxq->pool[i].page = NULL;
+			priv->alloc_rxb_page--;
 		}
 	}
 
@@ -405,14 +409,14 @@ void iwl_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq)
 	for (i = 0; i < RX_FREE_BUFFERS + RX_QUEUE_SIZE; i++) {
 		/* In the reset function, these buffers may have been allocated
 		 * to an SKB, so we need to unmap and free potential storage */
-		if (rxq->pool[i].skb != NULL) {
-			pci_unmap_single(priv->pci_dev,
-					 rxq->pool[i].real_dma_addr,
-					 priv->hw_params.rx_buf_size + 256,
-					 PCI_DMA_FROMDEVICE);
-			priv->alloc_rxb_skb--;
-			dev_kfree_skb(rxq->pool[i].skb);
-			rxq->pool[i].skb = NULL;
+		if (rxq->pool[i].page != NULL) {
+			pci_unmap_page(priv->pci_dev, rxq->pool[i].page_dma,
+				PAGE_SIZE << priv->hw_params.rx_page_order,
+				PCI_DMA_FROMDEVICE);
+			priv->alloc_rxb_page--;
+			__free_pages(rxq->pool[i].page,
+				     priv->hw_params.rx_page_order);
+			rxq->pool[i].page = NULL;
 		}
 		list_add_tail(&rxq->pool[i].list, &rxq->rx_used);
 	}
@@ -491,7 +495,7 @@ void iwl_rx_missed_beacon_notif(struct iwl_priv *priv,
 				struct iwl_rx_mem_buffer *rxb)
 
 {
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	struct iwl_missed_beacon_notif *missed_beacon;
 
 	missed_beacon = &pkt->u.missed_beacon;
@@ -592,7 +596,7 @@ void iwl_rx_statistics(struct iwl_priv *priv,
 			      struct iwl_rx_mem_buffer *rxb)
 {
 	int change;
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 
 	IWL_DEBUG_RX(priv, "Statistics notification received (%d vs %d).\n",
 		     (int)sizeof(priv->statistics),
@@ -919,6 +923,9 @@ static void iwl_pass_packet_to_mac80211(struct iwl_priv *priv,
 					struct iwl_rx_mem_buffer *rxb,
 					struct ieee80211_rx_status *stats)
 {
+	struct sk_buff *skb;
+	int ret = 0;
+
 	/* We only process data packets if the interface is open */
 	if (unlikely(!priv->is_open)) {
 		IWL_DEBUG_DROP_LIMIT(priv,
@@ -931,15 +938,38 @@ static void iwl_pass_packet_to_mac80211(struct iwl_priv *priv,
 	    iwl_set_decrypted_flag(priv, hdr, ampdu_status, stats))
 		return;
 
-	/* Resize SKB from mac header to end of packet */
-	skb_reserve(rxb->skb, (void *)hdr - (void *)rxb->skb->data);
-	skb_put(rxb->skb, len);
+	skb = alloc_skb(IWL_LINK_HDR_MAX, GFP_ATOMIC);
+	if (!skb) {
+		IWL_ERR(priv, "alloc_skb failed\n");
+		return;
+	}
+
+	skb_add_rx_frag(skb, 0, rxb->page, (void *)hdr - rxb_addr(rxb), len);
+
+	/* mac80211 currently doesn't support paged SKB. Convert it to
+	 * linear SKB for management frame and data frame requires
+	 * software decryption or software defragementation. */
+	if (ieee80211_is_mgmt(hdr->frame_control) ||
+	    ieee80211_has_protected(hdr->frame_control) ||
+	    ieee80211_has_morefrags(hdr->frame_control) ||
+	    le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG)
+		ret = skb_linearize(skb);
+	else
+		ret = __pskb_pull_tail(skb, min_t(u16, IWL_LINK_HDR_MAX, len)) ?
+			 0 : -ENOMEM;
+
+	if (ret) {
+		kfree_skb(skb);
+		goto out;
+	}
 
 	iwl_update_stats(priv, false, hdr->frame_control, len);
-	memcpy(IEEE80211_SKB_RXCB(rxb->skb), stats, sizeof(*stats));
-	ieee80211_rx_irqsafe(priv->hw, rxb->skb);
-	priv->alloc_rxb_skb--;
-	rxb->skb = NULL;
+	memcpy(IEEE80211_SKB_RXCB(skb), stats, sizeof(*stats));
+
+	ieee80211_rx(priv->hw, skb);
+ out:
+	priv->alloc_rxb_page--;
+	rxb->page = NULL;
 }
 
 /* This is necessary only for a number of statistics, see the caller. */
@@ -967,7 +997,7 @@ void iwl_rx_reply_rx(struct iwl_priv *priv,
 {
 	struct ieee80211_hdr *header;
 	struct ieee80211_rx_status rx_status;
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	struct iwl_rx_phy_res *phy_res;
 	__le32 rx_pkt_status;
 	struct iwl4965_rx_mpdu_res_start *amsdu;
@@ -1128,7 +1158,7 @@ EXPORT_SYMBOL(iwl_rx_reply_rx);
 void iwl_rx_reply_rx_phy(struct iwl_priv *priv,
 				    struct iwl_rx_mem_buffer *rxb)
 {
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	priv->last_phy_res[0] = 1;
 	memcpy(&priv->last_phy_res[1], &(pkt->u.raw[0]),
 	       sizeof(struct iwl_rx_phy_res));
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index 41f9a062125..4fca65a2fe9 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -111,7 +111,7 @@ EXPORT_SYMBOL(iwl_scan_cancel_timeout);
 static int iwl_send_scan_abort(struct iwl_priv *priv)
 {
 	int ret = 0;
-	struct iwl_rx_packet *res;
+	struct iwl_rx_packet *pkt;
 	struct iwl_host_cmd cmd = {
 		.id = REPLY_SCAN_ABORT_CMD,
 		.flags = CMD_WANT_SKB,
@@ -131,21 +131,21 @@ static int iwl_send_scan_abort(struct iwl_priv *priv)
 		return ret;
 	}
 
-	res = (struct iwl_rx_packet *)cmd.reply_skb->data;
-	if (res->u.status != CAN_ABORT_STATUS) {
+	pkt = (struct iwl_rx_packet *)cmd.reply_page;
+	if (pkt->u.status != CAN_ABORT_STATUS) {
 		/* The scan abort will return 1 for success or
 		 * 2 for "failure".  A failure condition can be
 		 * due to simply not being in an active scan which
 		 * can occur if we send the scan abort before we
 		 * the microcode has notified us that a scan is
 		 * completed. */
-		IWL_DEBUG_INFO(priv, "SCAN_ABORT returned %d.\n", res->u.status);
+		IWL_DEBUG_INFO(priv, "SCAN_ABORT returned %d.\n", pkt->u.status);
 		clear_bit(STATUS_SCAN_ABORTING, &priv->status);
 		clear_bit(STATUS_SCAN_HW, &priv->status);
 	}
 
-	priv->alloc_rxb_skb--;
-	dev_kfree_skb_any(cmd.reply_skb);
+	priv->alloc_rxb_page--;
+	free_pages(cmd.reply_page, priv->hw_params.rx_page_order);
 
 	return ret;
 }
@@ -155,7 +155,7 @@ static void iwl_rx_reply_scan(struct iwl_priv *priv,
 			      struct iwl_rx_mem_buffer *rxb)
 {
 #ifdef CONFIG_IWLWIFI_DEBUG
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	struct iwl_scanreq_notification *notif =
 	    (struct iwl_scanreq_notification *)pkt->u.raw;
 
@@ -167,7 +167,7 @@ static void iwl_rx_reply_scan(struct iwl_priv *priv,
 static void iwl_rx_scan_start_notif(struct iwl_priv *priv,
 				    struct iwl_rx_mem_buffer *rxb)
 {
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	struct iwl_scanstart_notification *notif =
 	    (struct iwl_scanstart_notification *)pkt->u.raw;
 	priv->scan_start_tsf = le32_to_cpu(notif->tsf_low);
@@ -186,7 +186,7 @@ static void iwl_rx_scan_results_notif(struct iwl_priv *priv,
 				      struct iwl_rx_mem_buffer *rxb)
 {
 #ifdef CONFIG_IWLWIFI_DEBUG
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	struct iwl_scanresults_notification *notif =
 	    (struct iwl_scanresults_notification *)pkt->u.raw;
 
@@ -213,7 +213,7 @@ static void iwl_rx_scan_complete_notif(struct iwl_priv *priv,
 				       struct iwl_rx_mem_buffer *rxb)
 {
 #ifdef CONFIG_IWLWIFI_DEBUG
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	struct iwl_scancomplete_notification *scan_notif = (void *)pkt->u.raw;
 
 	IWL_DEBUG_SCAN(priv, "Scan complete: %d channels (TSF 0x%08X:%08X) - %d\n",
diff --git a/drivers/net/wireless/iwlwifi/iwl-spectrum.c b/drivers/net/wireless/iwlwifi/iwl-spectrum.c
index 022bcf11573..1ea5cd345fe 100644
--- a/drivers/net/wireless/iwlwifi/iwl-spectrum.c
+++ b/drivers/net/wireless/iwlwifi/iwl-spectrum.c
@@ -177,7 +177,7 @@ static int iwl_get_measurement(struct iwl_priv *priv,
 static void iwl_rx_spectrum_measure_notif(struct iwl_priv *priv,
 					  struct iwl_rx_mem_buffer *rxb)
 {
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	struct iwl_spectrum_notification *report = &(pkt->u.spectrum_notif);
 
 	if (!report->state) {
diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c
index c6633fec821..dc74c16d36a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-sta.c
@@ -99,32 +99,25 @@ static void iwl_sta_ucode_activate(struct iwl_priv *priv, u8 sta_id)
 
 static void iwl_add_sta_callback(struct iwl_priv *priv,
 				 struct iwl_device_cmd *cmd,
-				 struct sk_buff *skb)
+				 struct iwl_rx_packet *pkt)
 {
-	struct iwl_rx_packet *res = NULL;
 	struct iwl_addsta_cmd *addsta =
 		(struct iwl_addsta_cmd *)cmd->cmd.payload;
 	u8 sta_id = addsta->sta.sta_id;
 
-	if (!skb) {
-		IWL_ERR(priv, "Error: Response NULL in REPLY_ADD_STA.\n");
-		return;
-	}
-
-	res = (struct iwl_rx_packet *)skb->data;
-	if (res->hdr.flags & IWL_CMD_FAILED_MSK) {
+	if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) {
 		IWL_ERR(priv, "Bad return from REPLY_ADD_STA (0x%08X)\n",
-			  res->hdr.flags);
+			  pkt->hdr.flags);
 		return;
 	}
 
-	switch (res->u.add_sta.status) {
+	switch (pkt->u.add_sta.status) {
 	case ADD_STA_SUCCESS_MSK:
 		iwl_sta_ucode_activate(priv, sta_id);
 		 /* fall through */
 	default:
 		IWL_DEBUG_HC(priv, "Received REPLY_ADD_STA:(0x%08X)\n",
-			     res->u.add_sta.status);
+			     pkt->u.add_sta.status);
 		break;
 	}
 }
@@ -132,7 +125,7 @@ static void iwl_add_sta_callback(struct iwl_priv *priv,
 int iwl_send_add_sta(struct iwl_priv *priv,
 		     struct iwl_addsta_cmd *sta, u8 flags)
 {
-	struct iwl_rx_packet *res = NULL;
+	struct iwl_rx_packet *pkt = NULL;
 	int ret = 0;
 	u8 data[sizeof(*sta)];
 	struct iwl_host_cmd cmd = {
@@ -152,15 +145,15 @@ int iwl_send_add_sta(struct iwl_priv *priv,
 	if (ret || (flags & CMD_ASYNC))
 		return ret;
 
-	res = (struct iwl_rx_packet *)cmd.reply_skb->data;
-	if (res->hdr.flags & IWL_CMD_FAILED_MSK) {
+	pkt = (struct iwl_rx_packet *)cmd.reply_page;
+	if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) {
 		IWL_ERR(priv, "Bad return from REPLY_ADD_STA (0x%08X)\n",
-			  res->hdr.flags);
+			  pkt->hdr.flags);
 		ret = -EIO;
 	}
 
 	if (ret == 0) {
-		switch (res->u.add_sta.status) {
+		switch (pkt->u.add_sta.status) {
 		case ADD_STA_SUCCESS_MSK:
 			iwl_sta_ucode_activate(priv, sta->sta.sta_id);
 			IWL_DEBUG_INFO(priv, "REPLY_ADD_STA PASSED\n");
@@ -172,8 +165,8 @@ int iwl_send_add_sta(struct iwl_priv *priv,
 		}
 	}
 
-	priv->alloc_rxb_skb--;
-	dev_kfree_skb_any(cmd.reply_skb);
+	priv->alloc_rxb_page--;
+	free_pages(cmd.reply_page, priv->hw_params.rx_page_order);
 
 	return ret;
 }
@@ -324,26 +317,19 @@ static void iwl_sta_ucode_deactivate(struct iwl_priv *priv, const char *addr)
 
 static void iwl_remove_sta_callback(struct iwl_priv *priv,
 				    struct iwl_device_cmd *cmd,
-				    struct sk_buff *skb)
+				    struct iwl_rx_packet *pkt)
 {
-	struct iwl_rx_packet *res = NULL;
 	struct iwl_rem_sta_cmd *rm_sta =
-		 (struct iwl_rem_sta_cmd *)cmd->cmd.payload;
+			(struct iwl_rem_sta_cmd *)cmd->cmd.payload;
 	const char *addr = rm_sta->addr;
 
-	if (!skb) {
-		IWL_ERR(priv, "Error: Response NULL in REPLY_REMOVE_STA.\n");
-		return;
-	}
-
-	res = (struct iwl_rx_packet *)skb->data;
-	if (res->hdr.flags & IWL_CMD_FAILED_MSK) {
+	if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) {
 		IWL_ERR(priv, "Bad return from REPLY_REMOVE_STA (0x%08X)\n",
-		res->hdr.flags);
+		pkt->hdr.flags);
 		return;
 	}
 
-	switch (res->u.rem_sta.status) {
+	switch (pkt->u.rem_sta.status) {
 	case REM_STA_SUCCESS_MSK:
 		iwl_sta_ucode_deactivate(priv, addr);
 		break;
@@ -356,7 +342,7 @@ static void iwl_remove_sta_callback(struct iwl_priv *priv,
 static int iwl_send_remove_station(struct iwl_priv *priv, const u8 *addr,
 				   u8 flags)
 {
-	struct iwl_rx_packet *res = NULL;
+	struct iwl_rx_packet *pkt;
 	int ret;
 
 	struct iwl_rem_sta_cmd rm_sta_cmd;
@@ -381,15 +367,15 @@ static int iwl_send_remove_station(struct iwl_priv *priv, const u8 *addr,
 	if (ret || (flags & CMD_ASYNC))
 		return ret;
 
-	res = (struct iwl_rx_packet *)cmd.reply_skb->data;
-	if (res->hdr.flags & IWL_CMD_FAILED_MSK) {
+	pkt = (struct iwl_rx_packet *)cmd.reply_page;
+	if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) {
 		IWL_ERR(priv, "Bad return from REPLY_REMOVE_STA (0x%08X)\n",
-			  res->hdr.flags);
+			  pkt->hdr.flags);
 		ret = -EIO;
 	}
 
 	if (!ret) {
-		switch (res->u.rem_sta.status) {
+		switch (pkt->u.rem_sta.status) {
 		case REM_STA_SUCCESS_MSK:
 			iwl_sta_ucode_deactivate(priv, addr);
 			IWL_DEBUG_ASSOC(priv, "REPLY_REMOVE_STA PASSED\n");
@@ -401,8 +387,8 @@ static int iwl_send_remove_station(struct iwl_priv *priv, const u8 *addr,
 		}
 	}
 
-	priv->alloc_rxb_skb--;
-	dev_kfree_skb_any(cmd.reply_skb);
+	priv->alloc_rxb_page--;
+	free_pages(cmd.reply_page, priv->hw_params.rx_page_order);
 
 	return ret;
 }
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index d0bd7cd024a..5c43d7c43b3 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -1153,7 +1153,7 @@ static void iwl_hcmd_queue_reclaim(struct iwl_priv *priv, int txq_id,
  */
 void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
 {
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	u16 sequence = le16_to_cpu(pkt->hdr.sequence);
 	int txq_id = SEQ_TO_QUEUE(sequence);
 	int index = SEQ_TO_INDEX(sequence);
@@ -1180,10 +1180,10 @@ void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
 
 	/* Input error checking is done when commands are added to queue. */
 	if (meta->flags & CMD_WANT_SKB) {
-		meta->source->reply_skb = rxb->skb;
-		rxb->skb = NULL;
+		meta->source->reply_page = (unsigned long)rxb_addr(rxb);
+		rxb->page = NULL;
 	} else if (meta->callback)
-		meta->callback(priv, cmd, rxb->skb);
+		meta->callback(priv, cmd, pkt);
 
 	iwl_hcmd_queue_reclaim(priv, txq_id, index, cmd_index);
 
@@ -1442,7 +1442,7 @@ static int iwl_tx_status_reply_compressed_ba(struct iwl_priv *priv,
 void iwl_rx_reply_compressed_ba(struct iwl_priv *priv,
 					   struct iwl_rx_mem_buffer *rxb)
 {
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	struct iwl_compressed_ba_resp *ba_resp = &pkt->u.compressed_ba;
 	struct iwl_tx_queue *txq = NULL;
 	struct iwl_ht_agg *agg;
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 515f29b8a7a..5977a57a234 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -745,7 +745,7 @@ static int iwl3945_get_measurement(struct iwl_priv *priv,
 			       u8 type)
 {
 	struct iwl_spectrum_cmd spectrum;
-	struct iwl_rx_packet *res;
+	struct iwl_rx_packet *pkt;
 	struct iwl_host_cmd cmd = {
 		.id = REPLY_SPECTRUM_MEASUREMENT_CMD,
 		.data = (void *)&spectrum,
@@ -790,18 +790,18 @@ static int iwl3945_get_measurement(struct iwl_priv *priv,
 	if (rc)
 		return rc;
 
-	res = (struct iwl_rx_packet *)cmd.reply_skb->data;
-	if (res->hdr.flags & IWL_CMD_FAILED_MSK) {
+	pkt = (struct iwl_rx_packet *)cmd.reply_page;
+	if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) {
 		IWL_ERR(priv, "Bad return from REPLY_RX_ON_ASSOC command\n");
 		rc = -EIO;
 	}
 
-	spectrum_resp_status = le16_to_cpu(res->u.spectrum.status);
+	spectrum_resp_status = le16_to_cpu(pkt->u.spectrum.status);
 	switch (spectrum_resp_status) {
 	case 0:		/* Command will be handled */
-		if (res->u.spectrum.id != 0xff) {
+		if (pkt->u.spectrum.id != 0xff) {
 			IWL_DEBUG_INFO(priv, "Replaced existing measurement: %d\n",
-						res->u.spectrum.id);
+						pkt->u.spectrum.id);
 			priv->measurement_status &= ~MEASUREMENT_READY;
 		}
 		priv->measurement_status |= MEASUREMENT_ACTIVE;
@@ -813,7 +813,7 @@ static int iwl3945_get_measurement(struct iwl_priv *priv,
 		break;
 	}
 
-	dev_kfree_skb_any(cmd.reply_skb);
+	free_pages(cmd.reply_page, priv->hw_params.rx_page_order);
 
 	return rc;
 }
@@ -822,7 +822,7 @@ static int iwl3945_get_measurement(struct iwl_priv *priv,
 static void iwl3945_rx_reply_alive(struct iwl_priv *priv,
 			       struct iwl_rx_mem_buffer *rxb)
 {
-	struct iwl_rx_packet *pkt = (void *)rxb->skb->data;
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	struct iwl_alive_resp *palive;
 	struct delayed_work *pwork;
 
@@ -859,7 +859,7 @@ static void iwl3945_rx_reply_add_sta(struct iwl_priv *priv,
 				 struct iwl_rx_mem_buffer *rxb)
 {
 #ifdef CONFIG_IWLWIFI_DEBUG
-	struct iwl_rx_packet *pkt = (void *)rxb->skb->data;
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 #endif
 
 	IWL_DEBUG_RX(priv, "Received REPLY_ADD_STA: 0x%02X\n", pkt->u.status);
@@ -895,7 +895,7 @@ static void iwl3945_rx_beacon_notif(struct iwl_priv *priv,
 				struct iwl_rx_mem_buffer *rxb)
 {
 #ifdef CONFIG_IWLWIFI_DEBUG
-	struct iwl_rx_packet *pkt = (void *)rxb->skb->data;
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	struct iwl3945_beacon_notif *beacon = &(pkt->u.beacon_status);
 	u8 rate = beacon->beacon_notify_hdr.rate;
 
@@ -918,7 +918,7 @@ static void iwl3945_rx_beacon_notif(struct iwl_priv *priv,
 static void iwl3945_rx_card_state_notif(struct iwl_priv *priv,
 				    struct iwl_rx_mem_buffer *rxb)
 {
-	struct iwl_rx_packet *pkt = (void *)rxb->skb->data;
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	u32 flags = le32_to_cpu(pkt->u.card_state_notif.flags);
 	unsigned long status = priv->status;
 
@@ -1082,7 +1082,7 @@ static int iwl3945_rx_queue_restock(struct iwl_priv *priv)
 		list_del(element);
 
 		/* Point to Rx buffer via next RBD in circular buffer */
-		rxq->bd[rxq->write] = iwl3945_dma_addr2rbd_ptr(priv, rxb->real_dma_addr);
+		rxq->bd[rxq->write] = iwl3945_dma_addr2rbd_ptr(priv, rxb->page_dma);
 		rxq->queue[rxq->write] = rxb;
 		rxq->write = (rxq->write + 1) & RX_QUEUE_MASK;
 		rxq->free_count--;
@@ -1122,7 +1122,7 @@ static void iwl3945_rx_allocate(struct iwl_priv *priv, gfp_t priority)
 	struct iwl_rx_queue *rxq = &priv->rxq;
 	struct list_head *element;
 	struct iwl_rx_mem_buffer *rxb;
-	struct sk_buff *skb;
+	struct page *page;
 	unsigned long flags;
 
 	while (1) {
@@ -1136,9 +1136,13 @@ static void iwl3945_rx_allocate(struct iwl_priv *priv, gfp_t priority)
 
 		if (rxq->free_count > RX_LOW_WATERMARK)
 			priority |= __GFP_NOWARN;
+
+		if (priv->hw_params.rx_page_order > 0)
+			priority |= __GFP_COMP;
+
 		/* Alloc a new receive buffer */
-		skb = alloc_skb(priv->hw_params.rx_buf_size, priority);
-		if (!skb) {
+		page = alloc_pages(priority, priv->hw_params.rx_page_order);
+		if (!page) {
 			if (net_ratelimit())
 				IWL_DEBUG_INFO(priv, "Failed to allocate SKB buffer.\n");
 			if ((rxq->free_count <= RX_LOW_WATERMARK) &&
@@ -1155,7 +1159,7 @@ static void iwl3945_rx_allocate(struct iwl_priv *priv, gfp_t priority)
 		spin_lock_irqsave(&rxq->lock, flags);
 		if (list_empty(&rxq->rx_used)) {
 			spin_unlock_irqrestore(&rxq->lock, flags);
-			dev_kfree_skb_any(skb);
+			__free_pages(page, priv->hw_params.rx_page_order);
 			return;
 		}
 		element = rxq->rx_used.next;
@@ -1163,26 +1167,18 @@ static void iwl3945_rx_allocate(struct iwl_priv *priv, gfp_t priority)
 		list_del(element);
 		spin_unlock_irqrestore(&rxq->lock, flags);
 
-		rxb->skb = skb;
-
-		/* If radiotap head is required, reserve some headroom here.
-		 * The physical head count is a variable rx_stats->phy_count.
-		 * We reserve 4 bytes here. Plus these extra bytes, the
-		 * headroom of the physical head should be enough for the
-		 * radiotap head that iwl3945 supported. See iwl3945_rt.
-		 */
-		skb_reserve(rxb->skb, 4);
-
+		rxb->page = page;
 		/* Get physical address of RB/SKB */
-		rxb->real_dma_addr = pci_map_single(priv->pci_dev,
-						rxb->skb->data,
-						priv->hw_params.rx_buf_size,
-						PCI_DMA_FROMDEVICE);
+		rxb->page_dma = pci_map_page(priv->pci_dev, page, 0,
+				PAGE_SIZE << priv->hw_params.rx_page_order,
+				PCI_DMA_FROMDEVICE);
 
 		spin_lock_irqsave(&rxq->lock, flags);
+
 		list_add_tail(&rxb->list, &rxq->rx_free);
-		priv->alloc_rxb_skb++;
 		rxq->free_count++;
+		priv->alloc_rxb_page++;
+
 		spin_unlock_irqrestore(&rxq->lock, flags);
 	}
 }
@@ -1198,14 +1194,14 @@ void iwl3945_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq)
 	for (i = 0; i < RX_FREE_BUFFERS + RX_QUEUE_SIZE; i++) {
 		/* In the reset function, these buffers may have been allocated
 		 * to an SKB, so we need to unmap and free potential storage */
-		if (rxq->pool[i].skb != NULL) {
-			pci_unmap_single(priv->pci_dev,
-					 rxq->pool[i].real_dma_addr,
-					 priv->hw_params.rx_buf_size,
-					 PCI_DMA_FROMDEVICE);
-			priv->alloc_rxb_skb--;
-			dev_kfree_skb(rxq->pool[i].skb);
-			rxq->pool[i].skb = NULL;
+		if (rxq->pool[i].page != NULL) {
+			pci_unmap_page(priv->pci_dev, rxq->pool[i].page_dma,
+				PAGE_SIZE << priv->hw_params.rx_page_order,
+				PCI_DMA_FROMDEVICE);
+			priv->alloc_rxb_page--;
+			__free_pages(rxq->pool[i].page,
+				     priv->hw_params.rx_page_order);
+			rxq->pool[i].page = NULL;
 		}
 		list_add_tail(&rxq->pool[i].list, &rxq->rx_used);
 	}
@@ -1213,8 +1209,8 @@ void iwl3945_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq)
 	/* Set us so that we have processed and used all buffers, but have
 	 * not restocked the Rx queue with fresh buffers */
 	rxq->read = rxq->write = 0;
-	rxq->free_count = 0;
 	rxq->write_actual = 0;
+	rxq->free_count = 0;
 	spin_unlock_irqrestore(&rxq->lock, flags);
 }
 
@@ -1247,12 +1243,14 @@ static void iwl3945_rx_queue_free(struct iwl_priv *priv, struct iwl_rx_queue *rx
 {
 	int i;
 	for (i = 0; i < RX_QUEUE_SIZE + RX_FREE_BUFFERS; i++) {
-		if (rxq->pool[i].skb != NULL) {
-			pci_unmap_single(priv->pci_dev,
-					 rxq->pool[i].real_dma_addr,
-					 priv->hw_params.rx_buf_size,
-					 PCI_DMA_FROMDEVICE);
-			dev_kfree_skb(rxq->pool[i].skb);
+		if (rxq->pool[i].page != NULL) {
+			pci_unmap_page(priv->pci_dev, rxq->pool[i].page_dma,
+				PAGE_SIZE << priv->hw_params.rx_page_order,
+				PCI_DMA_FROMDEVICE);
+			__free_pages(rxq->pool[i].page,
+				     priv->hw_params.rx_page_order);
+			rxq->pool[i].page = NULL;
+			priv->alloc_rxb_page--;
 		}
 	}
 
@@ -1388,10 +1386,10 @@ static void iwl3945_rx_handle(struct iwl_priv *priv)
 
 		rxq->queue[i] = NULL;
 
-		pci_unmap_single(priv->pci_dev, rxb->real_dma_addr,
-				priv->hw_params.rx_buf_size,
-				PCI_DMA_FROMDEVICE);
-		pkt = (struct iwl_rx_packet *)rxb->skb->data;
+		pci_unmap_page(priv->pci_dev, rxb->page_dma,
+			       PAGE_SIZE << priv->hw_params.rx_page_order,
+			       PCI_DMA_FROMDEVICE);
+		pkt = rxb_addr(rxb);
 
 		trace_iwlwifi_dev_rx(priv, pkt,
 			le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK);
@@ -1416,16 +1414,17 @@ static void iwl3945_rx_handle(struct iwl_priv *priv)
 			priv->isr_stats.rx_handlers[pkt->hdr.cmd]++;
 		} else {
 			/* No handling needed */
-			IWL_DEBUG_RX(priv, "r %d i %d No handler needed for %s, 0x%02x\n",
+			IWL_DEBUG_RX(priv,
+				"r %d i %d No handler needed for %s, 0x%02x\n",
 				r, i, get_cmd_string(pkt->hdr.cmd),
 				pkt->hdr.cmd);
 		}
 
 		if (reclaim) {
-			/* Invoke any callbacks, transfer the skb to caller, and
-			 * fire off the (possibly) blocking iwl_send_cmd()
+			/* Invoke any callbacks, transfer the buffer to caller,
+			 * and fire off the (possibly) blocking iwl_send_cmd()
 			 * as we reclaim the driver command queue */
-			if (rxb && rxb->skb)
+			if (rxb && rxb->page)
 				iwl_tx_cmd_complete(priv, rxb);
 			else
 				IWL_WARN(priv, "Claim null rxb?\n");
@@ -1434,10 +1433,10 @@ static void iwl3945_rx_handle(struct iwl_priv *priv)
 		/* For now we just don't re-use anything.  We can tweak this
 		 * later to try and re-use notification packets and SKBs that
 		 * fail to Rx correctly */
-		if (rxb->skb != NULL) {
-			priv->alloc_rxb_skb--;
-			dev_kfree_skb_any(rxb->skb);
-			rxb->skb = NULL;
+		if (rxb->page != NULL) {
+			priv->alloc_rxb_page--;
+			__free_pages(rxb->page, priv->hw_params.rx_page_order);
+			rxb->page = NULL;
 		}
 
 		spin_lock_irqsave(&rxq->lock, flags);
@@ -1678,6 +1677,8 @@ static void iwl3945_irq_tasklet(struct iwl_priv *priv)
 	}
 #endif
 
+	spin_unlock_irqrestore(&priv->lock, flags);
+
 	/* Since CSR_INT and CSR_FH_INT_STATUS reads and clears are not
 	 * atomic, make sure that inta covers all the interrupts that
 	 * we've discovered, even if FH interrupt came in just after
@@ -1699,8 +1700,6 @@ static void iwl3945_irq_tasklet(struct iwl_priv *priv)
 
 		handled |= CSR_INT_BIT_HW_ERR;
 
-		spin_unlock_irqrestore(&priv->lock, flags);
-
 		return;
 	}
 
@@ -1792,7 +1791,6 @@ static void iwl3945_irq_tasklet(struct iwl_priv *priv)
 			"flags 0x%08lx\n", inta, inta_mask, inta_fh, flags);
 	}
 #endif
-	spin_unlock_irqrestore(&priv->lock, flags);
 }
 
 static int iwl3945_get_channels_for_scan(struct iwl_priv *priv,
-- 
GitLab


From 2cc8d4db9dd7df9dd12d86f2e37d1b4760d3dd98 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Tue, 13 Oct 2009 12:47:38 +0300
Subject: [PATCH 0499/1815] wl1271: Workaround for reference clock setting on
 boot.

If the 38.4MHz reference clock is configured to the firmware, it crashes
on boot. Configuring an experimental 38.4MHz in XTAL mode allows the
firmware to boot, and everything appears to work.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_init.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_init.c b/drivers/net/wireless/wl12xx/wl1271_init.c
index e45af075e67..9abe062f187 100644
--- a/drivers/net/wireless/wl12xx/wl1271_init.c
+++ b/drivers/net/wireless/wl12xx/wl1271_init.c
@@ -196,7 +196,14 @@ static int wl1271_init_general_parms(struct wl1271 *wl)
 
 	gen_parms->id = TEST_CMD_INI_FILE_GENERAL_PARAM;
 
-	gen_parms->ref_clk = REF_CLK_38_4_E;
+	/*
+	 * FIXME: The firmware crashes on boot with REF_CLK_38_4_E as clock.
+	 *        according to TI engineers, ref clk 5 is an unofficial
+	 *        38.4 XTAL clock config, which seems to boot the device.
+	 *        Restore correct value once the real problem source is
+	 *        identified.
+	 */
+	gen_parms->ref_clk = 5; /* REF_CLK_38_4_E; */
 	/* FIXME: magic numbers */
 	gen_parms->settling_time = 5;
 	gen_parms->clk_valid_on_wakeup = 0;
-- 
GitLab


From 2b60100bf04aba28133ccb24efd85f72fb1a5494 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Tue, 13 Oct 2009 12:47:39 +0300
Subject: [PATCH 0500/1815] wl1271: Add structure for firmware configuration
 values

In order to make the firmware configuration more manageable, collect
hardcoded configuration values into one data structure, and set default values
there.

Add the SoftGemini BT/WLAN coex paramters into the config structure.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271.h      |   5 +
 drivers/net/wireless/wl12xx/wl1271_acx.c  |  40 ++---
 drivers/net/wireless/wl12xx/wl1271_acx.h  | 136 ++---------------
 drivers/net/wireless/wl12xx/wl1271_cmd.c  |   6 +-
 drivers/net/wireless/wl12xx/wl1271_cmd.h  |   5 -
 drivers/net/wireless/wl12xx/wl1271_conf.h | 178 ++++++++++++++++++++++
 drivers/net/wireless/wl12xx/wl1271_main.c |  84 +++++++---
 drivers/net/wireless/wl12xx/wl1271_reg.h  |  44 ------
 8 files changed, 274 insertions(+), 224 deletions(-)
 create mode 100644 drivers/net/wireless/wl12xx/wl1271_conf.h

diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h
index aa9bb2ea855..64a327009f2 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl1271.h
@@ -32,6 +32,8 @@
 #include <linux/bitops.h>
 #include <net/mac80211.h>
 
+#include "wl1271_conf.h"
+
 #define DRIVER_NAME "wl1271"
 #define DRIVER_PREFIX DRIVER_NAME ": "
 
@@ -420,6 +422,9 @@ struct wl1271 {
 
 	/* Used for a workaround to send disconnect before rejoining */
 	bool joined;
+
+	/* Current chipset configuration */
+	struct conf_drv_settings conf;
 };
 
 int wl1271_plt_start(struct wl1271 *wl);
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.c b/drivers/net/wireless/wl12xx/wl1271_acx.c
index 6c298900221..d19d8605b9d 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.c
@@ -509,6 +509,7 @@ out:
 int wl1271_acx_sg_cfg(struct wl1271 *wl)
 {
 	struct acx_bt_wlan_coex_param *param;
+	struct conf_sg_settings *c = &wl->conf.sg;
 	int ret;
 
 	wl1271_debug(DEBUG_ACX, "acx sg cfg");
@@ -520,34 +521,17 @@ int wl1271_acx_sg_cfg(struct wl1271 *wl)
 	}
 
 	/* BT-WLAN coext parameters */
-	param->min_rate = RATE_INDEX_24MBPS;
-	param->bt_hp_max_time = PTA_BT_HP_MAXTIME_DEF;
-	param->wlan_hp_max_time = PTA_WLAN_HP_MAX_TIME_DEF;
-	param->sense_disable_timer = PTA_SENSE_DISABLE_TIMER_DEF;
-	param->rx_time_bt_hp = PTA_PROTECTIVE_RX_TIME_DEF;
-	param->tx_time_bt_hp = PTA_PROTECTIVE_TX_TIME_DEF;
-	param->rx_time_bt_hp_fast = PTA_PROTECTIVE_RX_TIME_FAST_DEF;
-	param->tx_time_bt_hp_fast = PTA_PROTECTIVE_TX_TIME_FAST_DEF;
-	param->wlan_cycle_fast = PTA_CYCLE_TIME_FAST_DEF;
-	param->bt_anti_starvation_period = PTA_ANTI_STARVE_PERIOD_DEF;
-	param->next_bt_lp_packet = PTA_TIMEOUT_NEXT_BT_LP_PACKET_DEF;
-	param->wake_up_beacon = PTA_TIME_BEFORE_BEACON_DEF;
-	param->hp_dm_max_guard_time = PTA_HPDM_MAX_TIME_DEF;
-	param->next_wlan_packet = PTA_TIME_OUT_NEXT_WLAN_DEF;
-	param->antenna_type = PTA_ANTENNA_TYPE_DEF;
-	param->signal_type = PTA_SIGNALING_TYPE_DEF;
-	param->afh_leverage_on = PTA_AFH_LEVERAGE_ON_DEF;
-	param->quiet_cycle_num = PTA_NUMBER_QUIET_CYCLE_DEF;
-	param->max_cts = PTA_MAX_NUM_CTS_DEF;
-	param->wlan_packets_num = PTA_NUMBER_OF_WLAN_PACKETS_DEF;
-	param->bt_packets_num = PTA_NUMBER_OF_BT_PACKETS_DEF;
-	param->missed_rx_avalanche = PTA_RX_FOR_AVALANCHE_DEF;
-	param->wlan_elp_hp = PTA_ELP_HP_DEF;
-	param->bt_anti_starvation_cycles = PTA_ANTI_STARVE_NUM_CYCLE_DEF;
-	param->ack_mode_dual_ant = PTA_ACK_MODE_DEF;
-	param->pa_sd_enable = PTA_ALLOW_PA_SD_DEF;
-	param->pta_auto_mode_enable = PTA_AUTO_MODE_NO_CTS_DEF;
-	param->bt_hp_respected_num = PTA_BT_HP_RESPECTED_DEF;
+	param->per_threshold = c->per_threshold;
+	param->max_scan_compensation_time = c->max_scan_compensation_time;
+	param->nfs_sample_interval = c->nfs_sample_interval;
+	param->load_ratio = c->load_ratio;
+	param->auto_ps_mode = c->auto_ps_mode;
+	param->probe_req_compensation = c->probe_req_compensation;
+	param->scan_window_compensation = c->scan_window_compensation;
+	param->antenna_config = c->antenna_config;
+	param->beacon_miss_threshold = c->beacon_miss_threshold;
+	param->rate_adaptation_threshold = c->rate_adaptation_threshold;
+	param->rate_adaptation_snr = c->rate_adaptation_snr;
 
 	ret = wl1271_cmd_configure(wl, ACX_SG_CFG, param, sizeof(*param));
 	if (ret < 0) {
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.h b/drivers/net/wireless/wl12xx/wl1271_acx.h
index 0c704af1953..8e3b97cff79 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.h
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.h
@@ -496,126 +496,18 @@ struct acx_smart_reflex_config_params {
 struct acx_bt_wlan_coex_param {
 	struct acx_header header;
 
-	/*
-	 * The minimum rate of a received WLAN packet in the STA,
-	 * during protective mode, of which a new BT-HP request
-	 * during this Rx will always be respected and gain the antenna.
-	 */
-	u32 min_rate;
-
-	/* Max time the BT HP will be respected. */
-	u16 bt_hp_max_time;
-
-	/* Max time the WLAN HP will be respected. */
-	u16 wlan_hp_max_time;
-
-	/*
-	 * The time between the last BT activity
-	 * and the moment when the sense mode returns
-	 * to SENSE_INACTIVE.
-	 */
-	u16 sense_disable_timer;
-
-	/* Time before the next BT HP instance */
-	u16 rx_time_bt_hp;
-	u16 tx_time_bt_hp;
-
-	/* range: 10-20000    default: 1500 */
-	u16 rx_time_bt_hp_fast;
-	u16 tx_time_bt_hp_fast;
-
-	/* range: 2000-65535  default: 8700 */
-	u16 wlan_cycle_fast;
-
-	/* range: 0 - 15000 (Msec) default: 1000 */
-	u16 bt_anti_starvation_period;
-
-	/* range 400-10000(Usec) default: 3000 */
-	u16 next_bt_lp_packet;
-
-	/* Deafult: worst case for BT DH5 traffic */
-	u16 wake_up_beacon;
-
-	/* range: 0-50000(Usec) default: 1050 */
-	u16 hp_dm_max_guard_time;
-
-	/*
-	 * This is to prevent both BT & WLAN antenna
-	 * starvation.
-	 * Range: 100-50000(Usec) default:2550
-	 */
-	u16 next_wlan_packet;
-
-	/* 0 -> shared antenna */
-	u8 antenna_type;
-
-	/*
-	 * 0 -> TI legacy
-	 * 1 -> Palau
-	 */
-	u8 signal_type;
-
-	/*
-	 * BT AFH status
-	 * 0 -> no AFH
-	 * 1 -> from dedicated GPIO
-	 * 2 -> AFH on (from host)
-	 */
-	u8 afh_leverage_on;
-
-	/*
-	 * The number of cycles during which no
-	 * TX will be sent after 1 cycle of RX
-	 * transaction in protective mode
-	 */
-	u8 quiet_cycle_num;
-
-	/*
-	 * The maximum number of CTSs that will
-	 * be sent for receiving RX packet in
-	 * protective mode
-	 */
-	u8 max_cts;
-
-	/*
-	 * The number of WLAN packets
-	 * transferred in common mode before
-	 * switching to BT.
-	 */
-	u8 wlan_packets_num;
-
-	/*
-	 * The number of BT packets
-	 * transferred in common mode before
-	 * switching to WLAN.
-	 */
-	u8 bt_packets_num;
-
-	/* range: 1-255  default: 5 */
-	u8 missed_rx_avalanche;
-
-	/* range: 0-1    default: 1 */
-	u8 wlan_elp_hp;
-
-	/* range: 0 - 15  default: 4 */
-	u8 bt_anti_starvation_cycles;
-
-	u8 ack_mode_dual_ant;
-
-	/*
-	 * Allow PA_SD assertion/de-assertion
-	 * during enabled BT activity.
-	 */
-	u8 pa_sd_enable;
-
-	/*
-	 * Enable/Disable PTA in auto mode:
-	 * Support Both Active & P.S modes
-	 */
-	u8 pta_auto_mode_enable;
-
-	/* range: 0 - 20  default: 1 */
-	u8 bt_hp_respected_num;
+	u32 per_threshold;
+	u32 max_scan_compensation_time;
+	u16 nfs_sample_interval;
+	u8 load_ratio;
+	u8 auto_ps_mode;
+	u8 probe_req_compensation;
+	u8 scan_window_compensation;
+	u8 antenna_config;
+	u8 beacon_miss_threshold;
+	u32 rate_adaptation_threshold;
+	s8 rate_adaptation_snr;
+	u8 padding[3];
 } __attribute__ ((packed));
 
 #define CCA_THRSH_ENABLE_ENERGY_D       0x140A
@@ -690,6 +582,10 @@ struct acx_event_mask {
 #define SCAN_TRIGGERED		BIT(2)
 #define SCAN_PRIORITY_HIGH	BIT(3)
 
+/* When set, disable HW encryption */
+#define DF_ENCRYPTION_DISABLE      0x01
+#define DF_SNIFF_MODE_ENABLE       0x80
+
 struct acx_feature_config {
 	struct acx_header header;
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c
index eaa1de97339..c7a8a64d18d 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.c
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c
@@ -229,8 +229,8 @@ int wl1271_cmd_join(struct wl1271 *wl)
 	join->rx_config_options = 0;
 	join->rx_filter_options = WL1271_DEFAULT_RX_FILTER;
 
-	join->basic_rate_set = RATE_MASK_1MBPS | RATE_MASK_2MBPS |
-		RATE_MASK_5_5MBPS | RATE_MASK_11MBPS;
+	join->basic_rate_set = CONF_HW_BIT_RATE_1MBPS | CONF_HW_BIT_RATE_2MBPS |
+		CONF_HW_BIT_RATE_5_5MBPS | CONF_HW_BIT_RATE_11MBPS;
 
 	join->beacon_interval = WL1271_DEFAULT_BEACON_INT;
 	join->dtim_interval = WL1271_DEFAULT_DTIM_PERIOD;
@@ -538,7 +538,7 @@ int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len,
 
 	params->params.num_channels = num_channels;
 	params->params.num_probe_requests = probe_requests;
-	params->params.tx_rate = cpu_to_le32(RATE_MASK_2MBPS);
+	params->params.tx_rate = cpu_to_le32(CONF_HW_BIT_RATE_2MBPS);
 	params->params.tid_trigger = 0;
 	params->params.scan_tag = WL1271_SCAN_DEFAULT_TAG;
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.h b/drivers/net/wireless/wl12xx/wl1271_cmd.h
index 0219664765e..91430871c8f 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.h
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.h
@@ -288,11 +288,6 @@ struct wl1271_cmd_ps_params {
 #define NUM_ACCESS_CATEGORIES_COPY 4
 #define MAX_KEY_SIZE 32
 
-/* When set, disable HW encryption */
-#define DF_ENCRYPTION_DISABLE      0x01
-/* When set, disable HW decryption */
-#define DF_SNIFF_MODE_ENABLE       0x80
-
 enum wl1271_cmd_key_action {
 	KEY_ADD_OR_REPLACE = 1,
 	KEY_REMOVE         = 2,
diff --git a/drivers/net/wireless/wl12xx/wl1271_conf.h b/drivers/net/wireless/wl12xx/wl1271_conf.h
new file mode 100644
index 00000000000..1d6a44bec1c
--- /dev/null
+++ b/drivers/net/wireless/wl12xx/wl1271_conf.h
@@ -0,0 +1,178 @@
+/*
+ * This file is part of wl1271
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ *
+ * Contact: Luciano Coelho <luciano.coelho@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#ifndef __WL1271_CONF_H__
+#define __WL1271_CONF_H__
+
+enum {
+	CONF_HW_BIT_RATE_1MBPS   = BIT(0),
+	CONF_HW_BIT_RATE_2MBPS   = BIT(1),
+	CONF_HW_BIT_RATE_5_5MBPS = BIT(2),
+	CONF_HW_BIT_RATE_6MBPS   = BIT(3),
+	CONF_HW_BIT_RATE_9MBPS   = BIT(4),
+	CONF_HW_BIT_RATE_11MBPS  = BIT(5),
+	CONF_HW_BIT_RATE_12MBPS  = BIT(6),
+	CONF_HW_BIT_RATE_18MBPS  = BIT(7),
+	CONF_HW_BIT_RATE_22MBPS  = BIT(8),
+	CONF_HW_BIT_RATE_24MBPS  = BIT(9),
+	CONF_HW_BIT_RATE_36MBPS  = BIT(10),
+	CONF_HW_BIT_RATE_48MBPS  = BIT(11),
+	CONF_HW_BIT_RATE_54MBPS  = BIT(12),
+	CONF_HW_BIT_RATE_MCS_0   = BIT(13),
+	CONF_HW_BIT_RATE_MCS_1   = BIT(14),
+	CONF_HW_BIT_RATE_MCS_2   = BIT(15),
+	CONF_HW_BIT_RATE_MCS_3   = BIT(16),
+	CONF_HW_BIT_RATE_MCS_4   = BIT(17),
+	CONF_HW_BIT_RATE_MCS_5   = BIT(18),
+	CONF_HW_BIT_RATE_MCS_6   = BIT(19),
+	CONF_HW_BIT_RATE_MCS_7   = BIT(20)
+};
+
+enum {
+	CONF_HW_RATE_INDEX_1MBPS   = 0,
+	CONF_HW_RATE_INDEX_2MBPS   = 1,
+	CONF_HW_RATE_INDEX_5_5MBPS = 2,
+	CONF_HW_RATE_INDEX_6MBPS   = 3,
+	CONF_HW_RATE_INDEX_9MBPS   = 4,
+	CONF_HW_RATE_INDEX_11MBPS  = 5,
+	CONF_HW_RATE_INDEX_12MBPS  = 6,
+	CONF_HW_RATE_INDEX_18MBPS  = 7,
+	CONF_HW_RATE_INDEX_22MBPS  = 8,
+	CONF_HW_RATE_INDEX_24MBPS  = 9,
+	CONF_HW_RATE_INDEX_36MBPS  = 10,
+	CONF_HW_RATE_INDEX_48MBPS  = 11,
+	CONF_HW_RATE_INDEX_54MBPS  = 12,
+	CONF_HW_RATE_INDEX_MAX     = CONF_HW_RATE_INDEX_54MBPS,
+};
+
+struct conf_sg_settings {
+	/*
+	 * Defines the PER threshold in PPM of the BT voice of which reaching
+	 * this value will trigger raising the priority of the BT voice by
+	 * the BT IP until next NFS sample interval time as defined in
+	 * nfs_sample_interval.
+	 *
+	 * Unit: PER value in PPM (parts per million)
+	 * #Error_packets / #Total_packets
+
+	 * Range: u32
+	 */
+	u32 per_threshold;
+
+	/*
+	 * This value is an absolute time in micro-seconds to limit the
+	 * maximum scan duration compensation while in SG
+	 */
+	u32 max_scan_compensation_time;
+
+	/* Defines the PER threshold of the BT voice of which reaching this
+	 * value will trigger raising the priority of the BT voice until next
+	 * NFS sample interval time as defined in sample_interval.
+	 *
+	 * Unit: msec
+	 * Range: 1-65000
+	 */
+	u16 nfs_sample_interval;
+
+	/*
+	 * Defines the load ratio for the BT.
+	 * The WLAN ratio is: 100 - load_ratio
+	 *
+	 * Unit: Percent
+	 * Range: 0-100
+	 */
+	u8 load_ratio;
+
+	/*
+	 * true - Co-ex is allowed to enter/exit P.S automatically and
+	 *        transparently to the host
+	 *
+	 * false - Co-ex is disallowed to enter/exit P.S and will trigger an
+	 *         event to the host to notify for the need to enter/exit P.S
+	 *         due to BT change state
+	 *
+	 */
+	u8 auto_ps_mode;
+
+	/*
+	 * This parameter defines the compensation percentage of num of probe
+	 * requests in case scan is initiated during BT voice/BT ACL
+	 * guaranteed link.
+	 *
+	 * Unit: Percent
+	 * Range: 0-255 (0 - No compensation)
+	 */
+	u8 probe_req_compensation;
+
+	/*
+	 * This parameter defines the compensation percentage of scan window
+	 * size in case scan is initiated during BT voice/BT ACL Guaranteed
+	 * link.
+	 *
+	 * Unit: Percent
+	 * Range: 0-255 (0 - No compensation)
+	 */
+	u8 scan_window_compensation;
+
+	/*
+	 * Defines the antenna configuration.
+	 *
+	 * Range: 0 - Single Antenna; 1 - Dual Antenna
+	 */
+	u8 antenna_config;
+
+	/*
+	 * The percent out of the Max consecutive beacon miss roaming trigger
+	 * which is the threshold for raising the priority of beacon
+	 * reception.
+	 *
+	 * Range: 1-100
+	 * N = MaxConsecutiveBeaconMiss
+	 * P = coexMaxConsecutiveBeaconMissPrecent
+	 * Threshold = MIN( N-1, round(N * P / 100))
+	 */
+	u8 beacon_miss_threshold;
+
+	/*
+	 * The RX rate threshold below which rate adaptation is assumed to be
+	 * occurring at the AP which will raise priority for ACTIVE_RX and RX
+	 * SP.
+	 *
+	 * Range: HW_BIT_RATE_*
+	 */
+	u32 rate_adaptation_threshold;
+
+	/*
+	 * The SNR above which the RX rate threshold indicating AP rate
+	 * adaptation is valid
+	 *
+	 * Range: -128 - 127
+	 */
+	s8 rate_adaptation_snr;
+};
+
+struct conf_drv_settings {
+	struct conf_sg_settings sg;
+};
+
+#endif
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 821a7752adf..69bc929e185 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -46,6 +46,39 @@
 #include "wl1271_cmd.h"
 #include "wl1271_boot.h"
 
+static void wl1271_conf_init(struct wl1271 *wl)
+{
+	struct conf_drv_settings conf = {
+		.sg = {
+			.per_threshold              = 7500,
+			.max_scan_compensation_time = 120000,
+			.nfs_sample_interval        = 400,
+			.load_ratio                 = 50,
+			.auto_ps_mode               = 0,
+			.probe_req_compensation     = 170,
+			.scan_window_compensation   = 50,
+			.antenna_config             = 0,
+			.beacon_miss_threshold      = 60,
+			.rate_adaptation_threshold  = CONF_HW_BIT_RATE_12MBPS,
+			.rate_adaptation_snr        = 0
+		}
+	};
+
+	/*
+	 * This function applies the default configuration to the driver. This
+	 * function is invoked upon driver load (spi probe.)
+	 *
+	 * The configuration is stored in a run-time structure in order to
+	 * facilitate for run-time adjustment of any of the parameters. Making
+	 * changes to the configuration structure will apply the new values on
+	 * the next interface up (wl1271_op_start.)
+	 */
+
+	/* apply driver default configuration */
+	memcpy(&wl->conf, &conf, sizeof(conf));
+}
+
+
 static int wl1271_plt_init(struct wl1271 *wl)
 {
 	int ret;
@@ -1180,44 +1213,44 @@ out:
 /* can't be const, mac80211 writes to this */
 static struct ieee80211_rate wl1271_rates[] = {
 	{ .bitrate = 10,
-	  .hw_value = 0x1,
-	  .hw_value_short = 0x1, },
+	  .hw_value = CONF_HW_BIT_RATE_1MBPS,
+	  .hw_value_short = CONF_HW_BIT_RATE_1MBPS, },
 	{ .bitrate = 20,
-	  .hw_value = 0x2,
-	  .hw_value_short = 0x2,
+	  .hw_value = CONF_HW_BIT_RATE_2MBPS,
+	  .hw_value_short = CONF_HW_BIT_RATE_2MBPS,
 	  .flags = IEEE80211_RATE_SHORT_PREAMBLE },
 	{ .bitrate = 55,
-	  .hw_value = 0x4,
-	  .hw_value_short = 0x4,
+	  .hw_value = CONF_HW_BIT_RATE_5_5MBPS,
+	  .hw_value_short = CONF_HW_BIT_RATE_5_5MBPS,
 	  .flags = IEEE80211_RATE_SHORT_PREAMBLE },
 	{ .bitrate = 110,
-	  .hw_value = 0x20,
-	  .hw_value_short = 0x20,
+	  .hw_value = CONF_HW_BIT_RATE_11MBPS,
+	  .hw_value_short = CONF_HW_BIT_RATE_11MBPS,
 	  .flags = IEEE80211_RATE_SHORT_PREAMBLE },
 	{ .bitrate = 60,
-	  .hw_value = 0x8,
-	  .hw_value_short = 0x8, },
+	  .hw_value = CONF_HW_BIT_RATE_6MBPS,
+	  .hw_value_short = CONF_HW_BIT_RATE_6MBPS, },
 	{ .bitrate = 90,
-	  .hw_value = 0x10,
-	  .hw_value_short = 0x10, },
+	  .hw_value = CONF_HW_BIT_RATE_9MBPS,
+	  .hw_value_short = CONF_HW_BIT_RATE_9MBPS, },
 	{ .bitrate = 120,
-	  .hw_value = 0x40,
-	  .hw_value_short = 0x40, },
+	  .hw_value = CONF_HW_BIT_RATE_12MBPS,
+	  .hw_value_short = CONF_HW_BIT_RATE_12MBPS, },
 	{ .bitrate = 180,
-	  .hw_value = 0x80,
-	  .hw_value_short = 0x80, },
+	  .hw_value = CONF_HW_BIT_RATE_18MBPS,
+	  .hw_value_short = CONF_HW_BIT_RATE_18MBPS, },
 	{ .bitrate = 240,
-	  .hw_value = 0x200,
-	  .hw_value_short = 0x200, },
+	  .hw_value = CONF_HW_BIT_RATE_24MBPS,
+	  .hw_value_short = CONF_HW_BIT_RATE_24MBPS, },
 	{ .bitrate = 360,
-	 .hw_value = 0x400,
-	 .hw_value_short = 0x400, },
+	 .hw_value = CONF_HW_BIT_RATE_36MBPS,
+	 .hw_value_short = CONF_HW_BIT_RATE_36MBPS, },
 	{ .bitrate = 480,
-	  .hw_value = 0x800,
-	  .hw_value_short = 0x800, },
+	  .hw_value = CONF_HW_BIT_RATE_48MBPS,
+	  .hw_value_short = CONF_HW_BIT_RATE_48MBPS, },
 	{ .bitrate = 540,
-	  .hw_value = 0x1000,
-	  .hw_value_short = 0x1000, },
+	  .hw_value = CONF_HW_BIT_RATE_54MBPS,
+	  .hw_value_short = CONF_HW_BIT_RATE_54MBPS, },
 };
 
 /* can't be const, mac80211 writes to this */
@@ -1433,6 +1466,9 @@ static int __devinit wl1271_probe(struct spi_device *spi)
 	}
 	dev_set_drvdata(&wl1271_device.dev, wl);
 
+	/* Apply default driver configuration. */
+	wl1271_conf_init(wl);
+
 	ret = wl1271_init_ieee80211(wl);
 	if (ret)
 		goto out_platform;
diff --git a/drivers/net/wireless/wl12xx/wl1271_reg.h b/drivers/net/wireless/wl12xx/wl1271_reg.h
index 6af87b5573b..1f237389d1c 100644
--- a/drivers/net/wireless/wl12xx/wl1271_reg.h
+++ b/drivers/net/wireless/wl12xx/wl1271_reg.h
@@ -613,50 +613,6 @@ enum {
 	MAX_RADIO_BANDS = 0xFF
 };
 
-enum {
-	NO_RATE      = 0,
-	RATE_1MBPS   = 0x0A,
-	RATE_2MBPS   = 0x14,
-	RATE_5_5MBPS = 0x37,
-	RATE_6MBPS   = 0x0B,
-	RATE_9MBPS   = 0x0F,
-	RATE_11MBPS  = 0x6E,
-	RATE_12MBPS  = 0x0A,
-	RATE_18MBPS  = 0x0E,
-	RATE_22MBPS  = 0xDC,
-	RATE_24MBPS  = 0x09,
-	RATE_36MBPS  = 0x0D,
-	RATE_48MBPS  = 0x08,
-	RATE_54MBPS  = 0x0C
-};
-
-enum {
-	RATE_INDEX_1MBPS   =  0,
-	RATE_INDEX_2MBPS   =  1,
-	RATE_INDEX_5_5MBPS =  2,
-	RATE_INDEX_6MBPS   =  3,
-	RATE_INDEX_9MBPS   =  4,
-	RATE_INDEX_11MBPS  =  5,
-	RATE_INDEX_12MBPS  =  6,
-	RATE_INDEX_18MBPS  =  7,
-	RATE_INDEX_22MBPS  =  8,
-	RATE_INDEX_24MBPS  =  9,
-	RATE_INDEX_36MBPS  =  10,
-	RATE_INDEX_48MBPS  =  11,
-	RATE_INDEX_54MBPS  =  12,
-	RATE_INDEX_MAX     =  RATE_INDEX_54MBPS,
-	MAX_RATE_INDEX,
-	INVALID_RATE_INDEX = MAX_RATE_INDEX,
-	RATE_INDEX_ENUM_MAX_SIZE = 0x7FFFFFFF
-};
-
-enum {
-	RATE_MASK_1MBPS = 0x1,
-	RATE_MASK_2MBPS = 0x2,
-	RATE_MASK_5_5MBPS = 0x4,
-	RATE_MASK_11MBPS = 0x20,
-};
-
 #define SHORT_PREAMBLE_BIT   BIT(0) /* CCK or Barker depending on the rate */
 #define OFDM_RATE_BIT        BIT(6)
 #define PBCC_RATE_BIT        BIT(7)
-- 
GitLab


From 8793f9bb19c00b26532e37f1f516e1d9c7bc0476 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Tue, 13 Oct 2009 12:47:40 +0300
Subject: [PATCH 0501/1815] wl1271: Add config structure for RX path parameters

Add a configuration structure for RX path parameters, and set default
configuration values there.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_acx.c  | 20 +++---
 drivers/net/wireless/wl12xx/wl1271_acx.h  | 43 +-----------
 drivers/net/wireless/wl12xx/wl1271_conf.h | 85 +++++++++++++++++++++++
 drivers/net/wireless/wl12xx/wl1271_init.c |  4 +-
 drivers/net/wireless/wl12xx/wl1271_main.c | 12 ++++
 5 files changed, 110 insertions(+), 54 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.c b/drivers/net/wireless/wl12xx/wl1271_acx.c
index d19d8605b9d..63aa64618e1 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.c
@@ -198,7 +198,7 @@ int wl1271_acx_mem_map(struct wl1271 *wl, struct acx_header *mem_map,
 	return 0;
 }
 
-int wl1271_acx_rx_msdu_life_time(struct wl1271 *wl, u32 life_time)
+int wl1271_acx_rx_msdu_life_time(struct wl1271 *wl)
 {
 	struct acx_rx_msdu_lifetime *acx;
 	int ret;
@@ -211,7 +211,7 @@ int wl1271_acx_rx_msdu_life_time(struct wl1271 *wl, u32 life_time)
 		goto out;
 	}
 
-	acx->lifetime = life_time;
+	acx->lifetime = wl->conf.rx.rx_msdu_life_time;
 	ret = wl1271_cmd_configure(wl, DOT11_RX_MSDU_LIFE_TIME,
 				   acx, sizeof(*acx));
 	if (ret < 0) {
@@ -265,7 +265,7 @@ int wl1271_acx_pd_threshold(struct wl1271 *wl)
 		goto out;
 	}
 
-	/* FIXME: threshold value not set */
+	pd->threshold = wl->conf.rx.packet_detection_threshold;
 
 	ret = wl1271_cmd_configure(wl, ACX_PD_THRESHOLD, pd, sizeof(*pd));
 	if (ret < 0) {
@@ -349,8 +349,8 @@ int wl1271_acx_service_period_timeout(struct wl1271 *wl)
 
 	wl1271_debug(DEBUG_ACX, "acx service period timeout");
 
-	rx_timeout->ps_poll_timeout = RX_TIMEOUT_PS_POLL_DEF;
-	rx_timeout->upsd_timeout = RX_TIMEOUT_UPSD_DEF;
+	rx_timeout->ps_poll_timeout = wl->conf.rx.ps_poll_timeout;
+	rx_timeout->upsd_timeout = wl->conf.rx.upsd_timeout;
 
 	ret = wl1271_cmd_configure(wl, ACX_SERVICE_PERIOD_TIMEOUT,
 				   rx_timeout, sizeof(*rx_timeout));
@@ -557,7 +557,7 @@ int wl1271_acx_cca_threshold(struct wl1271 *wl)
 		goto out;
 	}
 
-	detection->rx_cca_threshold = CCA_THRSH_DISABLE_ENERGY_D;
+	detection->rx_cca_threshold = wl->conf.rx.rx_cca_threshold;
 	detection->tx_energy_detection = 0;
 
 	ret = wl1271_cmd_configure(wl, ACX_CCA_THRESHOLD,
@@ -966,10 +966,10 @@ int wl1271_acx_init_rx_interrupt(struct wl1271 *wl)
 		goto out;
 	}
 
-	rx_conf->threshold = WL1271_RX_INTR_THRESHOLD_DEF;
-	rx_conf->timeout = WL1271_RX_INTR_TIMEOUT_DEF;
-	rx_conf->mblk_threshold = USHORT_MAX; /* Disabled */
-	rx_conf->queue_type = RX_QUEUE_TYPE_RX_LOW_PRIORITY;
+	rx_conf->threshold = wl->conf.rx.irq_pkt_threshold;
+	rx_conf->timeout = wl->conf.rx.irq_timeout;
+	rx_conf->mblk_threshold = wl->conf.rx.irq_blk_threshold;
+	rx_conf->queue_type = wl->conf.rx.queue_type;
 
 	ret = wl1271_cmd_configure(wl, ACX_RX_CONFIG_OPT, rx_conf,
 				   sizeof(*rx_conf));
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.h b/drivers/net/wireless/wl12xx/wl1271_acx.h
index 8e3b97cff79..1fbd4e5fcc4 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.h
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.h
@@ -314,35 +314,13 @@ struct acx_dot11_grp_addr_tbl {
 	u8 mac_table[ADDRESS_GROUP_MAX_LEN];
 } __attribute__ ((packed));
 
-#define  RX_TIMEOUT_PS_POLL_MIN    0
-#define  RX_TIMEOUT_PS_POLL_MAX    (200000)
-#define  RX_TIMEOUT_PS_POLL_DEF    (15)
-#define  RX_TIMEOUT_UPSD_MIN       0
-#define  RX_TIMEOUT_UPSD_MAX       (200000)
-#define  RX_TIMEOUT_UPSD_DEF       (15)
-
 struct acx_rx_timeout {
 	struct acx_header header;
 
-	/*
-	 * The longest time the STA will wait to receive
-	 * traffic from the AP after a PS-poll has been
-	 * transmitted.
-	 */
 	u16 ps_poll_timeout;
-
-	/*
-	 * The longest time the STA will wait to receive
-	 * traffic from the AP after a frame has been sent
-	 * from an UPSD enabled queue.
-	 */
 	u16 upsd_timeout;
 } __attribute__ ((packed));
 
-#define RTS_THRESHOLD_MIN              0
-#define RTS_THRESHOLD_MAX              4096
-#define RTS_THRESHOLD_DEF              2347
-
 struct acx_rts_threshold {
 	struct acx_header header;
 
@@ -510,9 +488,6 @@ struct acx_bt_wlan_coex_param {
 	u8 padding[3];
 } __attribute__ ((packed));
 
-#define CCA_THRSH_ENABLE_ENERGY_D       0x140A
-#define CCA_THRSH_DISABLE_ENERGY_D      0xFFEF
-
 struct acx_energy_detection {
 	struct acx_header header;
 
@@ -1017,22 +992,6 @@ struct wl1271_acx_mem_map {
 	void *tx_ctrl;
 } __attribute__ ((packed));
 
-enum wl1271_acx_rx_queue_type {
-	RX_QUEUE_TYPE_RX_LOW_PRIORITY,    /* All except the high priority */
-	RX_QUEUE_TYPE_RX_HIGH_PRIORITY,   /* Management and voice packets */
-	RX_QUEUE_TYPE_NUM,
-	RX_QUEUE_TYPE_MAX = USHORT_MAX
-};
-
-#define WL1271_RX_INTR_THRESHOLD_DEF  0       /* no pacing, send interrupt on
-					       * every event */
-#define WL1271_RX_INTR_THRESHOLD_MIN  0
-#define WL1271_RX_INTR_THRESHOLD_MAX  15
-
-#define WL1271_RX_INTR_TIMEOUT_DEF    5
-#define WL1271_RX_INTR_TIMEOUT_MIN    1
-#define WL1271_RX_INTR_TIMEOUT_MAX    100
-
 struct wl1271_acx_rx_config_opt {
 	struct acx_header header;
 
@@ -1122,7 +1081,7 @@ int wl1271_acx_tx_power(struct wl1271 *wl, int power);
 int wl1271_acx_feature_cfg(struct wl1271 *wl);
 int wl1271_acx_mem_map(struct wl1271 *wl,
 		       struct acx_header *mem_map, size_t len);
-int wl1271_acx_rx_msdu_life_time(struct wl1271 *wl, u32 life_time);
+int wl1271_acx_rx_msdu_life_time(struct wl1271 *wl);
 int wl1271_acx_rx_config(struct wl1271 *wl, u32 config, u32 filter);
 int wl1271_acx_pd_threshold(struct wl1271 *wl);
 int wl1271_acx_slot(struct wl1271 *wl, enum acx_slot_type slot_time);
diff --git a/drivers/net/wireless/wl12xx/wl1271_conf.h b/drivers/net/wireless/wl12xx/wl1271_conf.h
index 1d6a44bec1c..8bf8bff54b5 100644
--- a/drivers/net/wireless/wl12xx/wl1271_conf.h
+++ b/drivers/net/wireless/wl12xx/wl1271_conf.h
@@ -171,8 +171,93 @@ struct conf_sg_settings {
 	s8 rate_adaptation_snr;
 };
 
+enum conf_rx_queue_type {
+	CONF_RX_QUEUE_TYPE_LOW_PRIORITY,  /* All except the high priority */
+	CONF_RX_QUEUE_TYPE_HIGH_PRIORITY, /* Management and voice packets */
+};
+
+struct conf_rx_settings {
+	/*
+	 * The maximum amount of time, in TU, before the
+	 * firmware discards the MSDU.
+	 *
+	 * Range: 0 - 0xFFFFFFFF
+	 */
+	u32 rx_msdu_life_time;
+
+	/*
+	 * Packet detection threshold in the PHY.
+	 *
+	 * FIXME: details unknown.
+	 */
+	u32 packet_detection_threshold;
+
+	/*
+	 * The longest time the STA will wait to receive traffic from the AP
+	 * after a PS-poll has been transmitted.
+	 *
+	 * Range: 0 - 200000
+	 */
+	u16 ps_poll_timeout;
+	/*
+	 * The longest time the STA will wait to receive traffic from the AP
+	 * after a frame has been sent from an UPSD enabled queue.
+	 *
+	 * Range: 0 - 200000
+	 */
+	u16 upsd_timeout;
+
+	/*
+	 * The number of octets in an MPDU, below which an RTS/CTS
+	 * handshake is not performed.
+	 *
+	 * Range: 0 - 4096
+	 */
+	u16 rts_threshold;
+
+	/*
+	 * The RX Clear Channel Assessment threshold in the PHY
+	 * (the energy threshold).
+	 *
+	 * Range: ENABLE_ENERGY_D  == 0x140A
+	 *        DISABLE_ENERGY_D == 0xFFEF
+	 */
+	u16 rx_cca_threshold;
+
+	/*
+	 * Occupied Rx mem-blocks number which requires interrupting the host
+	 * (0 = no buffering, 0xffff = disabled).
+	 *
+	 * Range: u16
+	 */
+	u16 irq_blk_threshold;
+
+	/*
+	 * Rx packets number which requires interrupting the host
+	 * (0 = no buffering).
+	 *
+	 * Range: u16
+	 */
+	u16 irq_pkt_threshold;
+
+	/*
+	 * Max time in msec the FW may delay RX-Complete interrupt.
+	 *
+	 * Range: 1 - 100
+	 */
+	u16 irq_timeout;
+
+	/*
+	 * The RX queue type.
+	 *
+	 * Range: RX_QUEUE_TYPE_RX_LOW_PRIORITY, RX_QUEUE_TYPE_RX_HIGH_PRIORITY,
+	 */
+	u8 queue_type;
+};
+
 struct conf_drv_settings {
 	struct conf_sg_settings sg;
+	struct conf_rx_settings rx;
 };
 
 #endif
diff --git a/drivers/net/wireless/wl12xx/wl1271_init.c b/drivers/net/wireless/wl12xx/wl1271_init.c
index 9abe062f187..57382631c1a 100644
--- a/drivers/net/wireless/wl12xx/wl1271_init.c
+++ b/drivers/net/wireless/wl12xx/wl1271_init.c
@@ -94,7 +94,7 @@ static int wl1271_init_rx_config(struct wl1271 *wl, u32 config, u32 filter)
 {
 	int ret;
 
-	ret = wl1271_acx_rx_msdu_life_time(wl, RX_MSDU_LIFETIME_DEF);
+	ret = wl1271_acx_rx_msdu_life_time(wl);
 	if (ret < 0)
 		return ret;
 
@@ -125,7 +125,7 @@ static int wl1271_init_phy_config(struct wl1271 *wl)
 	if (ret < 0)
 		return ret;
 
-	ret = wl1271_acx_rts_threshold(wl, RTS_THRESHOLD_DEF);
+	ret = wl1271_acx_rts_threshold(wl, wl->conf.rx.rts_threshold);
 	if (ret < 0)
 		return ret;
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 69bc929e185..d04706de7f4 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -61,6 +61,18 @@ static void wl1271_conf_init(struct wl1271 *wl)
 			.beacon_miss_threshold      = 60,
 			.rate_adaptation_threshold  = CONF_HW_BIT_RATE_12MBPS,
 			.rate_adaptation_snr        = 0
+		},
+		.rx = {
+			.rx_msdu_life_time          = 512000,
+			.packet_detection_threshold = 0,
+			.ps_poll_timeout            = 15,
+			.upsd_timeout               = 15,
+			.rts_threshold              = 2347,
+			.rx_cca_threshold           = 0xFFEF,
+			.irq_blk_threshold          = 0,
+			.irq_pkt_threshold          = USHORT_MAX,
+			.irq_timeout                = 5,
+			.queue_type           = CONF_RX_QUEUE_TYPE_LOW_PRIORITY,
 		}
 	};
 
-- 
GitLab


From 45b531a86f93c82d8e390e19a6258111b3627bb0 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Tue, 13 Oct 2009 12:47:41 +0300
Subject: [PATCH 0502/1815] wl1271: Add config structure for TX path parameters

Add a configuration structure for TX path parameters, and set defalt
configuration values there.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271.h      |   2 +-
 drivers/net/wireless/wl12xx/wl1271_acx.c  |  54 +++----
 drivers/net/wireless/wl12xx/wl1271_acx.h  |  37 +----
 drivers/net/wireless/wl12xx/wl1271_cmd.c  |   6 +-
 drivers/net/wireless/wl12xx/wl1271_conf.h | 187 ++++++++++++++++++++++
 drivers/net/wireless/wl12xx/wl1271_init.c |   2 +-
 drivers/net/wireless/wl12xx/wl1271_main.c | 103 ++++++++++++
 7 files changed, 321 insertions(+), 70 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h
index 64a327009f2..985e8964c2f 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl1271.h
@@ -107,7 +107,7 @@ enum {
 				  CFG_RX_CTL_EN | CFG_RX_BCN_EN |     \
 				  CFG_RX_AUTH_EN | CFG_RX_ASSOC_EN)
 
-#define WL1271_DEFAULT_BASIC_RATE_SET (ACX_RATE_MASK_ALL)
+#define WL1271_DEFAULT_BASIC_RATE_SET (CONF_TX_RATE_MASK_ALL)
 
 #define WL1271_FW_NAME "wl1271-fw.bin"
 #define WL1271_NVS_NAME "wl1271-nvs.bin"
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.c b/drivers/net/wireless/wl12xx/wl1271_acx.c
index 63aa64618e1..038203bcf44 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.c
@@ -558,7 +558,7 @@ int wl1271_acx_cca_threshold(struct wl1271 *wl)
 	}
 
 	detection->rx_cca_threshold = wl->conf.rx.rx_cca_threshold;
-	detection->tx_energy_detection = 0;
+	detection->tx_energy_detection = wl->conf.tx.tx_energy_detection;
 
 	ret = wl1271_cmd_configure(wl, ACX_CCA_THRESHOLD,
 				   detection, sizeof(*detection));
@@ -729,6 +729,7 @@ int wl1271_acx_statistics(struct wl1271 *wl, struct acx_statistics *stats)
 int wl1271_acx_rate_policies(struct wl1271 *wl, u32 enabled_rates)
 {
 	struct acx_rate_policy *acx;
+	struct conf_tx_rate_class *c = &wl->conf.tx.rc_conf;
 	int ret = 0;
 
 	wl1271_debug(DEBUG_ACX, "acx rate policies");
@@ -743,9 +744,9 @@ int wl1271_acx_rate_policies(struct wl1271 *wl, u32 enabled_rates)
 	/* configure one default (one-size-fits-all) rate class */
 	acx->rate_class_cnt = 1;
 	acx->rate_class[0].enabled_rates = enabled_rates;
-	acx->rate_class[0].short_retry_limit = ACX_RATE_RETRY_LIMIT;
-	acx->rate_class[0].long_retry_limit = ACX_RATE_RETRY_LIMIT;
-	acx->rate_class[0].aflags = 0;
+	acx->rate_class[0].short_retry_limit = c->short_retry_limit;
+	acx->rate_class[0].long_retry_limit = c->long_retry_limit;
+	acx->rate_class[0].aflags = c->aflags;
 
 	ret = wl1271_cmd_configure(wl, ACX_RATE_POLICY, acx, sizeof(*acx));
 	if (ret < 0) {
@@ -772,22 +773,14 @@ int wl1271_acx_ac_cfg(struct wl1271 *wl)
 		goto out;
 	}
 
-	/*
-	 * FIXME: Configure each AC with appropriate values (most suitable
-	 * values will probably be different for each AC.
-	 */
-	for (i = 0; i < WL1271_ACX_AC_COUNT; i++) {
-		acx->ac = i;
-
-		/*
-		 * FIXME: The following default values originate from
-		 * the TI reference driver. What do they mean?
-		 */
-		acx->cw_min = 15;
-		acx->cw_max = 63;
-		acx->aifsn = 3;
+	for (i = 0; i < wl->conf.tx.ac_conf_count; i++) {
+		struct conf_tx_ac_category *c = &(wl->conf.tx.ac_conf[i]);
+		acx->ac = c->ac;
+		acx->cw_min = c->cw_min;
+		acx->cw_max = c->cw_max;
+		acx->aifsn = c->aifsn;
 		acx->reserved = 0;
-		acx->tx_op_limit = 0;
+		acx->tx_op_limit = c->tx_op_limit;
 
 		ret = wl1271_cmd_configure(wl, ACX_AC_CFG, acx, sizeof(*acx));
 		if (ret < 0) {
@@ -816,12 +809,15 @@ int wl1271_acx_tid_cfg(struct wl1271 *wl)
 		goto out;
 	}
 
-	/* FIXME: configure each TID with a different AC reference */
-	for (i = 0; i < WL1271_ACX_TID_COUNT; i++) {
-		acx->queue_id = i;
-		acx->tsid = WL1271_ACX_AC_BE;
-		acx->ps_scheme = WL1271_ACX_PS_SCHEME_LEGACY;
-		acx->ack_policy = WL1271_ACX_ACK_POLICY_LEGACY;
+	for (i = 0; i < wl->conf.tx.tid_conf_count; i++) {
+		struct conf_tx_tid *c = &(wl->conf.tx.tid_conf[i]);
+		acx->queue_id = c->queue_id;
+		acx->channel_type = c->channel_type;
+		acx->tsid = c->tsid;
+		acx->ps_scheme = c->ps_scheme;
+		acx->ack_policy = c->ack_policy;
+		acx->apsd_conf[0] = c->apsd_conf[0];
+		acx->apsd_conf[1] = c->apsd_conf[1];
 
 		ret = wl1271_cmd_configure(wl, ACX_TID_CFG, acx, sizeof(*acx));
 		if (ret < 0) {
@@ -849,7 +845,7 @@ int wl1271_acx_frag_threshold(struct wl1271 *wl)
 		goto out;
 	}
 
-	acx->frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
+	acx->frag_threshold = wl->conf.tx.frag_threshold;
 	ret = wl1271_cmd_configure(wl, ACX_FRAG_CFG, acx, sizeof(*acx));
 	if (ret < 0) {
 		wl1271_warning("Setting of frag threshold failed: %d", ret);
@@ -875,8 +871,8 @@ int wl1271_acx_tx_config_options(struct wl1271 *wl)
 		goto out;
 	}
 
-	acx->tx_compl_timeout = WL1271_ACX_TX_COMPL_TIMEOUT;
-	acx->tx_compl_threshold = WL1271_ACX_TX_COMPL_THRESHOLD;
+	acx->tx_compl_timeout = wl->conf.tx.tx_compl_timeout;
+	acx->tx_compl_threshold = wl->conf.tx.tx_compl_threshold;
 	ret = wl1271_cmd_configure(wl, ACX_TX_CONFIG_OPT, acx, sizeof(*acx));
 	if (ret < 0) {
 		wl1271_warning("Setting of tx options failed: %d", ret);
@@ -929,7 +925,7 @@ int wl1271_acx_init_mem_config(struct wl1271 *wl)
 		return ret;
 
 	wl->target_mem_map = kzalloc(sizeof(struct wl1271_acx_mem_map),
-					  GFP_KERNEL);
+				     GFP_KERNEL);
 	if (!wl->target_mem_map) {
 		wl1271_error("couldn't allocate target memory map");
 		return -ENOMEM;
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.h b/drivers/net/wireless/wl12xx/wl1271_acx.h
index 1fbd4e5fcc4..63cddceb39a 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.h
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.h
@@ -850,11 +850,6 @@ struct acx_statistics {
 	struct acx_rxpipe_statistics rxpipe;
 } __attribute__ ((packed));
 
-#define ACX_MAX_RATE_CLASSES       8
-#define ACX_RATE_MASK_UNSPECIFIED  0
-#define ACX_RATE_MASK_ALL          0x1eff
-#define ACX_RATE_RETRY_LIMIT       10
-
 struct acx_rate_class {
 	u32 enabled_rates;
 	u8 short_retry_limit;
@@ -867,11 +862,9 @@ struct acx_rate_policy {
 	struct acx_header header;
 
 	u32 rate_class_cnt;
-	struct acx_rate_class rate_class[ACX_MAX_RATE_CLASSES];
+	struct acx_rate_class rate_class[CONF_TX_MAX_RATE_CLASSES];
 } __attribute__ ((packed));
 
-#define WL1271_ACX_AC_COUNT 4
-
 struct acx_ac_cfg {
 	struct acx_header header;
 	u8 ac;
@@ -882,31 +875,6 @@ struct acx_ac_cfg {
 	u16 tx_op_limit;
 } __attribute__ ((packed));
 
-enum wl1271_acx_ac {
-	WL1271_ACX_AC_BE = 0,
-	WL1271_ACX_AC_BK = 1,
-	WL1271_ACX_AC_VI = 2,
-	WL1271_ACX_AC_VO = 3,
-	WL1271_ACX_AC_CTS2SELF = 4,
-	WL1271_ACX_AC_ANY_TID = 0x1F,
-	WL1271_ACX_AC_INVALID = 0xFF,
-};
-
-enum wl1271_acx_ps_scheme {
-	WL1271_ACX_PS_SCHEME_LEGACY = 0,
-	WL1271_ACX_PS_SCHEME_UPSD_TRIGGER = 1,
-	WL1271_ACX_PS_SCHEME_LEGACY_PSPOLL = 2,
-	WL1271_ACX_PS_SCHEME_SAPSD = 3,
-};
-
-enum wl1271_acx_ack_policy {
-	WL1271_ACX_ACK_POLICY_LEGACY = 0,
-	WL1271_ACX_ACK_POLICY_NO_ACK = 1,
-	WL1271_ACX_ACK_POLICY_BLOCK = 2,
-};
-
-#define WL1271_ACX_TID_COUNT 7
-
 struct acx_tid_config {
 	struct acx_header header;
 	u8 queue_id;
@@ -924,9 +892,6 @@ struct acx_frag_threshold {
 	u8 padding[2];
 } __attribute__ ((packed));
 
-#define WL1271_ACX_TX_COMPL_TIMEOUT   5
-#define WL1271_ACX_TX_COMPL_THRESHOLD 5
-
 struct acx_tx_config_options {
 	struct acx_header header;
 	u16 tx_compl_timeout;     /* msec */
diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c
index c7a8a64d18d..f05bd7797fb 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.c
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c
@@ -626,9 +626,9 @@ int wl1271_cmd_template_set(struct wl1271 *wl, u16 template_id,
 
 	cmd->len = cpu_to_le16(buf_len);
 	cmd->template_type = template_id;
-	cmd->enabled_rates = ACX_RATE_MASK_UNSPECIFIED;
-	cmd->short_retry_limit = ACX_RATE_RETRY_LIMIT;
-	cmd->long_retry_limit = ACX_RATE_RETRY_LIMIT;
+	cmd->enabled_rates = wl->conf.tx.rc_conf.enabled_rates;
+	cmd->short_retry_limit = wl->conf.tx.rc_conf.short_retry_limit;
+	cmd->long_retry_limit = wl->conf.tx.rc_conf.long_retry_limit;
 
 	if (buf)
 		memcpy(cmd->template_data, buf, buf_len);
diff --git a/drivers/net/wireless/wl12xx/wl1271_conf.h b/drivers/net/wireless/wl12xx/wl1271_conf.h
index 8bf8bff54b5..3c5ce3100e6 100644
--- a/drivers/net/wireless/wl12xx/wl1271_conf.h
+++ b/drivers/net/wireless/wl12xx/wl1271_conf.h
@@ -255,9 +255,196 @@ struct conf_rx_settings {
 	u8 queue_type;
 };
 
+#define CONF_TX_MAX_RATE_CLASSES       8
+
+#define CONF_TX_RATE_MASK_UNSPECIFIED  0
+#define CONF_TX_RATE_MASK_ALL          0x1eff
+#define CONF_TX_RATE_RETRY_LIMIT       10
+
+struct conf_tx_rate_class {
+
+	/*
+	 * The rates enabled for this rate class.
+	 *
+	 * Range: CONF_HW_BIT_RATE_* bit mask
+	 */
+	u32 enabled_rates;
+
+	/*
+	 * The dot11 short retry limit used for TX retries.
+	 *
+	 * Range: u8
+	 */
+	u8 short_retry_limit;
+
+	/*
+	 * The dot11 long retry limit used for TX retries.
+	 *
+	 * Range: u8
+	 */
+	u8 long_retry_limit;
+
+	/*
+	 * Flags controlling the attributes of TX transmission.
+	 *
+	 * Range: bit 0: Truncate - when set, FW attempts to send a frame stop
+	 *               when the total valid per-rate attempts have
+	 *               been exhausted; otherwise transmissions
+	 *               will continue at the lowest available rate
+	 *               until the appropriate one of the
+	 *               short_retry_limit, long_retry_limit,
+	 *               dot11_max_transmit_msdu_life_time, or
+	 *               max_tx_life_time, is exhausted.
+	 *            1: Preamble Override - indicates if the preamble type
+	 *               should be used in TX.
+	 *            2: Preamble Type - the type of the preamble to be used by
+	 *               the policy (0 - long preamble, 1 - short preamble.
+	 */
+	u8 aflags;
+};
+
+#define CONF_TX_MAX_AC_COUNT 4
+
+/* Slot number setting to start transmission at PIFS interval */
+#define CONF_TX_AIFS_PIFS 1
+/* Slot number setting to start transmission at DIFS interval normal
+ * DCF access */
+#define CONF_TX_AIFS_DIFS 2
+
+
+enum conf_tx_ac {
+	CONF_TX_AC_BE = 0,         /* best effort / legacy */
+	CONF_TX_AC_BK = 1,         /* background */
+	CONF_TX_AC_VI = 2,         /* video */
+	CONF_TX_AC_VO = 3,         /* voice */
+	CONF_TX_AC_CTS2SELF = 4,   /* fictious AC, follows AC_VO */
+	CONF_TX_AC_ANY_TID = 0x1f
+};
+
+struct conf_tx_ac_category {
+	/*
+	 * The AC class identifier.
+	 *
+	 * Range: enum conf_tx_ac
+	 */
+	u8 ac;
+
+	/*
+	 * The contention window minimum size (in slots) for the access
+	 * class.
+	 *
+	 * Range: u8
+	 */
+	u8 cw_min;
+
+	/*
+	 * The contention window maximum size (in slots) for the access
+	 * class.
+	 *
+	 * Range: u8
+	 */
+	u16 cw_max;
+
+	/*
+	 * The AIF value (in slots) for the access class.
+	 *
+	 * Range: u8
+	 */
+	u8 aifsn;
+
+	/*
+	 * The TX Op Limit (in microseconds) for the access class.
+	 *
+	 * Range: u16
+	 */
+	u16 tx_op_limit;
+};
+
+#define CONF_TX_MAX_TID_COUNT 7
+
+enum {
+	CONF_CHANNEL_TYPE_DCF = 0,   /* DC/LEGACY*/
+	CONF_CHANNEL_TYPE_EDCF = 1,  /* EDCA*/
+	CONF_CHANNEL_TYPE_HCCA = 2,  /* HCCA*/
+};
+
+enum {
+	CONF_PS_SCHEME_LEGACY = 0,
+	CONF_PS_SCHEME_UPSD_TRIGGER = 1,
+	CONF_PS_SCHEME_LEGACY_PSPOLL = 2,
+	CONF_PS_SCHEME_SAPSD = 3,
+};
+
+enum {
+	CONF_ACK_POLICY_LEGACY = 0,
+	CONF_ACK_POLICY_NO_ACK = 1,
+	CONF_ACK_POLICY_BLOCK = 2,
+};
+
+
+struct conf_tx_tid {
+	u8 queue_id;
+	u8 channel_type;
+	u8 tsid;
+	u8 ps_scheme;
+	u8 ack_policy;
+	u32 apsd_conf[2];
+};
+
+struct conf_tx_settings {
+	/*
+	 * The TX ED value for TELEC Enable/Disable.
+	 *
+	 * Range: 0, 1
+	 */
+	u8 tx_energy_detection;
+
+	/*
+	 * Configuration for rate classes for TX (currently only one
+	 * rate class supported.)
+	 */
+	struct conf_tx_rate_class rc_conf;
+
+	/*
+	 * Configuration for access categories for TX rate control.
+	 */
+	u8 ac_conf_count;
+	struct conf_tx_ac_category ac_conf[CONF_TX_MAX_AC_COUNT];
+
+	/*
+	 * Configuration for TID parameters.
+	 */
+	u8 tid_conf_count;
+	struct conf_tx_tid tid_conf[CONF_TX_MAX_TID_COUNT];
+
+	/*
+	 * The TX fragmentation threshold.
+	 *
+	 * Range: u16
+	 */
+	u16 frag_threshold;
+
+	/*
+	 * Max time in msec the FW may delay frame TX-Complete interrupt.
+	 *
+	 * Range: u16
+	 */
+	u16 tx_compl_timeout;
+
+	/*
+	 * Completed TX packet count which requires to issue the TX-Complete
+	 * interrupt.
+	 *
+	 * Range: u16
+	 */
+	u16 tx_compl_threshold;
+
+};
+
 struct conf_drv_settings {
 	struct conf_sg_settings sg;
 	struct conf_rx_settings rx;
+	struct conf_tx_settings tx;
 };
 
 #endif
diff --git a/drivers/net/wireless/wl12xx/wl1271_init.c b/drivers/net/wireless/wl12xx/wl1271_init.c
index 57382631c1a..a3fc4c97c51 100644
--- a/drivers/net/wireless/wl12xx/wl1271_init.c
+++ b/drivers/net/wireless/wl12xx/wl1271_init.c
@@ -382,7 +382,7 @@ int wl1271_hw_init(struct wl1271 *wl)
 		goto out_free_memmap;
 
 	/* Configure TX rate classes */
-	ret = wl1271_acx_rate_policies(wl, ACX_RATE_MASK_ALL);
+	ret = wl1271_acx_rate_policies(wl, CONF_TX_RATE_MASK_ALL);
 	if (ret < 0)
 		goto out_free_memmap;
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index d04706de7f4..35d0b7efb68 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -73,6 +73,109 @@ static void wl1271_conf_init(struct wl1271 *wl)
 			.irq_pkt_threshold          = USHORT_MAX,
 			.irq_timeout                = 5,
 			.queue_type           = CONF_RX_QUEUE_TYPE_LOW_PRIORITY,
+		},
+		.tx = {
+			.tx_energy_detection        = 0,
+			.rc_conf                    = {
+				.enabled_rates      =
+				CONF_TX_RATE_MASK_UNSPECIFIED,
+				.short_retry_limit  = 10,
+				.long_retry_limit   = 10,
+				.aflags             = 0
+			},
+			.ac_conf_count              = 4,
+			.ac_conf                    = {
+				[0] = {
+					.ac         = CONF_TX_AC_BE,
+					.cw_min     = 15,
+					.cw_max     = 63,
+					.aifsn      = 3,
+					.tx_op_limit = 0,
+				},
+				[1] = {
+					.ac         = CONF_TX_AC_BK,
+					.cw_min     = 15,
+					.cw_max     = 63,
+					.aifsn      = 7,
+					.tx_op_limit = 0,
+				},
+				[2] = {
+					.ac         = CONF_TX_AC_VI,
+					.cw_min     = 15,
+					.cw_max     = 63,
+					.aifsn      = CONF_TX_AIFS_PIFS,
+					.tx_op_limit = 3008,
+				},
+				[3] = {
+					.ac         = CONF_TX_AC_VO,
+					.cw_min     = 15,
+					.cw_max     = 63,
+					.aifsn      = CONF_TX_AIFS_PIFS,
+					.tx_op_limit = 1504,
+				},
+			},
+			.tid_conf_count = 7,
+			.tid_conf = {
+				[0] = {
+					.queue_id   = 0,
+					.channel_type = CONF_CHANNEL_TYPE_DCF,
+					.tsid = CONF_TX_AC_BE,
+					.ps_scheme  = CONF_PS_SCHEME_LEGACY,
+					.ack_policy = CONF_ACK_POLICY_LEGACY,
+					.apsd_conf  = {0, 0},
+				},
+				[1] = {
+					.queue_id   = 1,
+					.channel_type = CONF_CHANNEL_TYPE_DCF,
+					.tsid = CONF_TX_AC_BE,
+					.ps_scheme  = CONF_PS_SCHEME_LEGACY,
+					.ack_policy = CONF_ACK_POLICY_LEGACY,
+					.apsd_conf  = {0, 0},
+				},
+				[2] = {
+					.queue_id   = 2,
+					.channel_type = CONF_CHANNEL_TYPE_DCF,
+					.tsid = CONF_TX_AC_BE,
+					.ps_scheme  = CONF_PS_SCHEME_LEGACY,
+					.ack_policy = CONF_ACK_POLICY_LEGACY,
+					.apsd_conf  = {0, 0},
+				},
+				[3] = {
+					.queue_id   = 3,
+					.channel_type = CONF_CHANNEL_TYPE_DCF,
+					.tsid = CONF_TX_AC_BE,
+					.ps_scheme  = CONF_PS_SCHEME_LEGACY,
+					.ack_policy = CONF_ACK_POLICY_LEGACY,
+					.apsd_conf  = {0, 0},
+				},
+				[4] = {
+					.queue_id   = 4,
+					.channel_type = CONF_CHANNEL_TYPE_DCF,
+					.tsid = CONF_TX_AC_BE,
+					.ps_scheme  = CONF_PS_SCHEME_LEGACY,
+					.ack_policy = CONF_ACK_POLICY_LEGACY,
+					.apsd_conf  = {0, 0},
+				},
+				[5] = {
+					.queue_id   = 5,
+					.channel_type = CONF_CHANNEL_TYPE_DCF,
+					.tsid = CONF_TX_AC_BE,
+					.ps_scheme  = CONF_PS_SCHEME_LEGACY,
+					.ack_policy = CONF_ACK_POLICY_LEGACY,
+					.apsd_conf  = {0, 0},
+				},
+				[6] = {
+					.queue_id   = 6,
+					.channel_type = CONF_CHANNEL_TYPE_DCF,
+					.tsid = CONF_TX_AC_BE,
+					.ps_scheme  = CONF_PS_SCHEME_LEGACY,
+					.ack_policy = CONF_ACK_POLICY_LEGACY,
+					.apsd_conf  = {0, 0},
+				}
+			},
+			.frag_threshold          = IEEE80211_MAX_FRAG_THRESHOLD,
+			.tx_compl_timeout           = 5,
+			.tx_compl_threshold         = 5
 		}
 	};
 
-- 
GitLab


From 51f2be24328957f9e2acf116b1b1d2dfd10bf41f Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Tue, 13 Oct 2009 12:47:42 +0300
Subject: [PATCH 0503/1815] wl1271: Add config structure for connection
 management parameters

Add a configuration structure for connection management parameters, and
set default configuration values there.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271.h      |   1 -
 drivers/net/wireless/wl12xx/wl1271_acx.c  |  63 ++++--
 drivers/net/wireless/wl12xx/wl1271_acx.h  |  24 +--
 drivers/net/wireless/wl12xx/wl1271_cmd.c  |   3 +-
 drivers/net/wireless/wl12xx/wl1271_conf.h | 251 ++++++++++++++++++++++
 drivers/net/wireless/wl12xx/wl1271_main.c |  50 ++++-
 6 files changed, 348 insertions(+), 44 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h
index 985e8964c2f..648223f67b5 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl1271.h
@@ -323,7 +323,6 @@ struct wl1271 {
 	u8 bss_type;
 	u8 ssid[IW_ESSID_MAX_SIZE + 1];
 	u8 ssid_len;
-	u8 listen_int;
 	int channel;
 
 	struct wl1271_acx_mem_map *target_mem_map;
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.c b/drivers/net/wireless/wl12xx/wl1271_acx.c
index 038203bcf44..d0036860ab6 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.c
@@ -34,8 +34,7 @@
 #include "wl1271_spi.h"
 #include "wl1271_ps.h"
 
-int wl1271_acx_wake_up_conditions(struct wl1271 *wl, u8 wake_up_event,
-				  u8 listen_interval)
+int wl1271_acx_wake_up_conditions(struct wl1271 *wl)
 {
 	struct acx_wake_up_condition *wake_up;
 	int ret;
@@ -48,8 +47,8 @@ int wl1271_acx_wake_up_conditions(struct wl1271 *wl, u8 wake_up_event,
 		goto out;
 	}
 
-	wake_up->wake_up_event = wake_up_event;
-	wake_up->listen_interval = listen_interval;
+	wake_up->wake_up_event = wl->conf.conn.wake_up_event;
+	wake_up->listen_interval = wl->conf.conn.listen_interval;
 
 	ret = wl1271_cmd_configure(wl, ACX_WAKE_UP_CONDITIONS,
 				   wake_up, sizeof(*wake_up));
@@ -393,11 +392,15 @@ out:
 
 int wl1271_acx_beacon_filter_opt(struct wl1271 *wl, bool enable_filter)
 {
-	struct acx_beacon_filter_option *beacon_filter;
-	int ret;
+	struct acx_beacon_filter_option *beacon_filter = NULL;
+	int ret = 0;
 
 	wl1271_debug(DEBUG_ACX, "acx beacon filter opt");
 
+	if (enable_filter &&
+	    wl->conf.conn.bcn_filt_mode == CONF_BCN_FILT_MODE_DISABLED)
+		goto out;
+
 	beacon_filter = kzalloc(sizeof(*beacon_filter), GFP_KERNEL);
 	if (!beacon_filter) {
 		ret = -ENOMEM;
@@ -405,6 +408,11 @@ int wl1271_acx_beacon_filter_opt(struct wl1271 *wl, bool enable_filter)
 	}
 
 	beacon_filter->enable = enable_filter;
+
+	/*
+	 * When set to zero, and the filter is enabled, beacons
+	 * without the unicast TIM bit set are dropped.
+	 */
 	beacon_filter->max_num_beacons = 0;
 
 	ret = wl1271_cmd_configure(wl, ACX_BEACON_FILTER_OPT,
@@ -422,8 +430,9 @@ out:
 int wl1271_acx_beacon_filter_table(struct wl1271 *wl)
 {
 	struct acx_beacon_filter_ie_table *ie_table;
-	int idx = 0;
+	int i, idx = 0;
 	int ret;
+	bool vendor_spec = false;
 
 	wl1271_debug(DEBUG_ACX, "acx beacon filter table");
 
@@ -434,9 +443,31 @@ int wl1271_acx_beacon_filter_table(struct wl1271 *wl)
 	}
 
 	/* configure default beacon pass-through rules */
-	ie_table->num_ie = 1;
-	ie_table->table[idx++] = BEACON_FILTER_IE_ID_CHANNEL_SWITCH_ANN;
-	ie_table->table[idx++] = BEACON_RULE_PASS_ON_APPEARANCE;
+	ie_table->num_ie = 0;
+	for (i = 0; i < wl->conf.conn.bcn_filt_ie_count; i++) {
+		struct conf_bcn_filt_rule *r = &(wl->conf.conn.bcn_filt_ie[i]);
+		ie_table->table[idx++] = r->ie;
+		ie_table->table[idx++] = r->rule;
+
+		if (r->ie == WLAN_EID_VENDOR_SPECIFIC) {
+			/* only one vendor specific ie allowed */
+			if (vendor_spec)
+				continue;
+
+			/* for vendor specific rules configure the
+			   additional fields */
+			memcpy(&(ie_table->table[idx]), r->oui,
+			       CONF_BCN_IE_OUI_LEN);
+			idx += CONF_BCN_IE_OUI_LEN;
+			ie_table->table[idx++] = r->type;
+			memcpy(&(ie_table->table[idx]), r->version,
+			       CONF_BCN_IE_VER_LEN);
+			idx += CONF_BCN_IE_VER_LEN;
+			vendor_spec = true;
+		}
+
+		ie_table->num_ie++;
+	}
 
 	ret = wl1271_cmd_configure(wl, ACX_BEACON_FILTER_TABLE,
 				   ie_table, sizeof(*ie_table));
@@ -463,8 +494,8 @@ int wl1271_acx_conn_monit_params(struct wl1271 *wl)
 		goto out;
 	}
 
-	acx->synch_fail_thold = SYNCH_FAIL_DEFAULT_THRESHOLD;
-	acx->bss_lose_timeout = NO_BEACON_DEFAULT_TIMEOUT;
+	acx->synch_fail_thold = wl->conf.conn.synch_fail_thold;
+	acx->bss_lose_timeout = wl->conf.conn.bss_lose_timeout;
 
 	ret = wl1271_cmd_configure(wl, ACX_CONN_MONIT_PARAMS,
 				   acx, sizeof(*acx));
@@ -585,10 +616,10 @@ int wl1271_acx_bcn_dtim_options(struct wl1271 *wl)
 		goto out;
 	}
 
-	bb->beacon_rx_timeout = BCN_RX_TIMEOUT_DEF_VALUE;
-	bb->broadcast_timeout = BROADCAST_RX_TIMEOUT_DEF_VALUE;
-	bb->rx_broadcast_in_ps = RX_BROADCAST_IN_PS_DEF_VALUE;
-	bb->ps_poll_threshold = CONSECUTIVE_PS_POLL_FAILURE_DEF;
+	bb->beacon_rx_timeout = wl->conf.conn.beacon_rx_timeout;
+	bb->broadcast_timeout = wl->conf.conn.broadcast_timeout;
+	bb->rx_broadcast_in_ps = wl->conf.conn.rx_broadcast_in_ps;
+	bb->ps_poll_threshold = wl->conf.conn.ps_poll_threshold;
 
 	ret = wl1271_cmd_configure(wl, ACX_BCN_DTIM_OPTIONS, bb, sizeof(*bb));
 	if (ret < 0) {
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.h b/drivers/net/wireless/wl12xx/wl1271_acx.h
index 63cddceb39a..73ef2bdf3b7 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.h
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.h
@@ -377,11 +377,6 @@ struct acx_beacon_filter_option {
 			   (BEACON_FILTER_TABLE_MAX_VENDOR_SPECIFIC_IE_NUM * \
 			    BEACON_FILTER_TABLE_EXTRA_VENDOR_SPECIFIC_IE_SIZE))
 
-#define BEACON_RULE_PASS_ON_CHANGE                     BIT(0)
-#define BEACON_RULE_PASS_ON_APPEARANCE                 BIT(1)
-
-#define BEACON_FILTER_IE_ID_CHANNEL_SWITCH_ANN         (37)
-
 struct acx_beacon_filter_ie_table {
 	struct acx_header header;
 
@@ -390,9 +385,6 @@ struct acx_beacon_filter_ie_table {
 	u8 pad[3];
 } __attribute__ ((packed));
 
-#define SYNCH_FAIL_DEFAULT_THRESHOLD    5     /* number of beacons */
-#define NO_BEACON_DEFAULT_TIMEOUT       (100) /* TU */
-
 struct acx_conn_monit_params {
        struct acx_header header;
 
@@ -497,11 +489,6 @@ struct acx_energy_detection {
 	u8 pad;
 } __attribute__ ((packed));
 
-#define BCN_RX_TIMEOUT_DEF_VALUE        10000
-#define BROADCAST_RX_TIMEOUT_DEF_VALUE  20000
-#define RX_BROADCAST_IN_PS_DEF_VALUE    1
-#define CONSECUTIVE_PS_POLL_FAILURE_DEF 4
-
 struct acx_beacon_broadcast {
 	struct acx_header header;
 
@@ -575,14 +562,6 @@ struct acx_current_tx_power {
 	u8  padding[3];
 } __attribute__ ((packed));
 
-enum acx_wake_up_event {
-	WAKE_UP_EVENT_BEACON_BITMAP	= 0x01, /* Wake on every Beacon*/
-	WAKE_UP_EVENT_DTIM_BITMAP	= 0x02,	/* Wake on every DTIM*/
-	WAKE_UP_EVENT_N_DTIM_BITMAP	= 0x04, /* Wake on every Nth DTIM */
-	WAKE_UP_EVENT_N_BEACONS_BITMAP	= 0x08, /* Wake on every Nth Beacon */
-	WAKE_UP_EVENT_BITS_MASK		= 0x0F
-};
-
 struct acx_wake_up_condition {
 	struct acx_header header;
 
@@ -1038,8 +1017,7 @@ enum {
 };
 
 
-int wl1271_acx_wake_up_conditions(struct wl1271 *wl, u8 wake_up_event,
-				  u8 listen_interval);
+int wl1271_acx_wake_up_conditions(struct wl1271 *wl);
 int wl1271_acx_sleep_auth(struct wl1271 *wl, u8 sleep_auth);
 int wl1271_acx_fw_version(struct wl1271 *wl, char *buf, size_t len);
 int wl1271_acx_tx_power(struct wl1271 *wl, int power);
diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c
index f05bd7797fb..f38e3e0e2d6 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.c
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c
@@ -436,8 +436,7 @@ int wl1271_cmd_ps_mode(struct wl1271 *wl, u8 ps_mode)
 	int ret = 0;
 
 	/* FIXME: this should be in ps.c */
-	ret = wl1271_acx_wake_up_conditions(wl, WAKE_UP_EVENT_DTIM_BITMAP,
-					    wl->listen_int);
+	ret = wl1271_acx_wake_up_conditions(wl);
 	if (ret < 0) {
 		wl1271_error("couldn't set wake up conditions");
 		goto out;
diff --git a/drivers/net/wireless/wl12xx/wl1271_conf.h b/drivers/net/wireless/wl12xx/wl1271_conf.h
index 3c5ce3100e6..f08e509bd69 100644
--- a/drivers/net/wireless/wl12xx/wl1271_conf.h
+++ b/drivers/net/wireless/wl12xx/wl1271_conf.h
@@ -441,10 +441,261 @@ struct conf_tx_settings {
 
 };
 
+enum {
+	CONF_WAKE_UP_EVENT_BEACON    = 0x01, /* Wake on every Beacon*/
+	CONF_WAKE_UP_EVENT_DTIM      = 0x02, /* Wake on every DTIM*/
+	CONF_WAKE_UP_EVENT_N_DTIM    = 0x04, /* Wake every Nth DTIM */
+	CONF_WAKE_UP_EVENT_N_BEACONS = 0x08, /* Wake every Nth beacon */
+	CONF_WAKE_UP_EVENT_BITS_MASK = 0x0F
+};
+
+#define CONF_MAX_BCN_FILT_IE_COUNT 32
+
+#define CONF_BCN_RULE_PASS_ON_CHANGE         BIT(0)
+#define CONF_BCN_RULE_PASS_ON_APPEARANCE     BIT(1)
+
+#define CONF_BCN_IE_OUI_LEN    3
+#define CONF_BCN_IE_VER_LEN    2
+
+struct conf_bcn_filt_rule {
+	/*
+	 * IE number to which to associate a rule.
+	 *
+	 * Range: u8
+	 */
+	u8 ie;
+
+	/*
+	 * Rule to associate with the specific ie.
+	 *
+	 * Range: CONF_BCN_RULE_PASS_ON_*
+	 */
+	u8 rule;
+
+	/*
+	 * OUI for the vendor specifie IE (221)
+	 */
+	u8 oui[CONF_BCN_IE_OUI_LEN];
+
+	/*
+	 * Type for the vendor specifie IE (221)
+	 */
+	u8 type;
+
+	/*
+	 * Version for the vendor specifie IE (221)
+	 */
+	u8 version[CONF_BCN_IE_VER_LEN];
+};
+
+#define CONF_MAX_RSSI_SNR_TRIGGERS 8
+
+enum {
+	CONF_TRIG_METRIC_RSSI_BEACON = 0,
+	CONF_TRIG_METRIC_RSSI_DATA,
+	CONF_TRIG_METRIC_SNR_BEACON,
+	CONF_TRIG_METRIC_SNR_DATA
+};
+
+enum {
+	CONF_TRIG_EVENT_TYPE_LEVEL = 0,
+	CONF_TRIG_EVENT_TYPE_EDGE
+};
+
+enum {
+	CONF_TRIG_EVENT_DIR_LOW = 0,
+	CONF_TRIG_EVENT_DIR_HIGH,
+	CONF_TRIG_EVENT_DIR_BIDIR
+};
+
+
+struct conf_sig_trigger {
+	/*
+	 * The RSSI / SNR threshold value.
+	 *
+	 * FIXME: what is the range?
+	 */
+	s16 threshold;
+
+	/*
+	 * Minimum delay between two trigger events for this trigger in ms.
+	 *
+	 * Range: 0 - 60000
+	 */
+	u16 pacing;
+
+	/*
+	 * The measurement data source for this trigger.
+	 *
+	 * Range: CONF_TRIG_METRIC_*
+	 */
+	u8 metric;
+
+	/*
+	 * The trigger type of this trigger.
+	 *
+	 * Range: CONF_TRIG_EVENT_TYPE_*
+	 */
+	u8 type;
+
+	/*
+	 * The direction of the trigger.
+	 *
+	 * Range: CONF_TRIG_EVENT_DIR_*
+	 */
+	u8 direction;
+
+	/*
+	 * Hysteresis range of the trigger around the threshold (in dB)
+	 *
+	 * Range: u8
+	 */
+	u8 hysteresis;
+
+	/*
+	 * Index of the trigger rule.
+	 *
+	 * Range: 0 - CONF_MAX_RSSI_SNR_TRIGGERS-1
+	 */
+	u8 index;
+
+	/*
+	 * Enable / disable this rule (to use for clearing rules.)
+	 *
+	 * Range: 1 - Enabled, 2 - Not enabled
+	 */
+	u8 enable;
+};
+
+struct conf_sig_weights {
+
+	/*
+	 * RSSI from beacons average weight.
+	 *
+	 * Range: u8
+	 */
+	u8 rssi_bcn_avg_weight;
+
+	/*
+	 * RSSI from data average weight.
+	 *
+	 * Range: u8
+	 */
+	u8 rssi_pkt_avg_weight;
+
+	/*
+	 * SNR from beacons average weight.
+	 *
+	 * Range: u8
+	 */
+	u8 snr_bcn_avg_weight;
+
+	/*
+	 * SNR from data average weight.
+	 *
+	 * Range: u8
+	 */
+	u8 snr_pkt_avg_weight;
+};
+
+enum conf_bcn_filt_mode {
+	CONF_BCN_FILT_MODE_DISABLED = 0,
+	CONF_BCN_FILT_MODE_ENABLED = 1
+};
+
+struct conf_conn_settings {
+	/*
+	 * Firmware wakeup conditions configuration. The host may set only
+	 * one bit.
+	 *
+	 * Range: CONF_WAKE_UP_EVENT_*
+	 */
+	u8 wake_up_event;
+
+	/*
+	 * Listen interval for beacons or Dtims.
+	 *
+	 * Range: 0 for beacon and Dtim wakeup
+	 *        1-10 for x Dtims
+	 *        1-255 for x beacons
+	 */
+	u8 listen_interval;
+
+	/*
+	 * Enable or disable the beacon filtering.
+	 *
+	 * Range: CONF_BCN_FILT_MODE_*
+	 */
+	enum conf_bcn_filt_mode bcn_filt_mode;
+
+	/*
+	 * Configure Beacon filter pass-thru rules.
+	 */
+	u8 bcn_filt_ie_count;
+	struct conf_bcn_filt_rule bcn_filt_ie[CONF_MAX_BCN_FILT_IE_COUNT];
+
+	/*
+	 * The number of consequtive beacons to lose, before the firmware
+	 * becomes out of synch.
+	 *
+	 * Range: u32
+	 */
+	u32 synch_fail_thold;
+
+	/*
+	 * After out-of-synch, the number of TU's to wait without a further
+	 * received beacon (or probe response) before issuing the BSS_EVENT_LOSE
+	 * event.
+	 *
+	 * Range: u32
+	 */
+	u32 bss_lose_timeout;
+
+	/*
+	 * Beacon receive timeout.
+	 *
+	 * Range: u32
+	 */
+	u32 beacon_rx_timeout;
+
+	/*
+	 * Broadcast receive timeout.
+	 *
+	 * Range: u32
+	 */
+	u32 broadcast_timeout;
+
+	/*
+	 * Enable/disable reception of broadcast packets in power save mode
+	 *
+	 * Range: 1 - enable, 0 - disable
+	 */
+	u8 rx_broadcast_in_ps;
+
+	/*
+	 * Consequtive PS Poll failures before sending event to driver
+	 *
+	 * Range: u8
+	 */
+	u8 ps_poll_threshold;
+
+	/*
+	 * Configuration of signal (rssi/snr) triggers.
+	 */
+	u8 sig_trigger_count;
+	struct conf_sig_trigger sig_trigger[CONF_MAX_RSSI_SNR_TRIGGERS];
+
+	/*
+	 * Configuration of signal average weights.
+	 */
+	struct conf_sig_weights sig_weights;
+};
+
 struct conf_drv_settings {
 	struct conf_sg_settings sg;
 	struct conf_rx_settings rx;
 	struct conf_tx_settings tx;
+	struct conf_conn_settings conn;
 };
 
 #endif
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 35d0b7efb68..a559a153653 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -176,6 +176,54 @@ static void wl1271_conf_init(struct wl1271 *wl)
 			.frag_threshold          = IEEE80211_MAX_FRAG_THRESHOLD,
 			.tx_compl_timeout           = 5,
 			.tx_compl_threshold         = 5
+		},
+		.conn = {
+			.wake_up_event           = CONF_WAKE_UP_EVENT_DTIM,
+			.listen_interval            = 0,
+			.bcn_filt_mode             = CONF_BCN_FILT_MODE_ENABLED,
+			.bcn_filt_ie_count          = 1,
+			.bcn_filt_ie = {
+				[0] = {
+					.ie         = WLAN_EID_CHANNEL_SWITCH,
+					.rule       =
+					CONF_BCN_RULE_PASS_ON_APPEARANCE,
+				}
+			},
+			.synch_fail_thold           = 5,
+			.bss_lose_timeout           = 100,
+			.beacon_rx_timeout          = 10000,
+			.broadcast_timeout          = 20000,
+			.rx_broadcast_in_ps         = 1,
+			.ps_poll_threshold          = 4,
+			.sig_trigger_count          = 2,
+			.sig_trigger = {
+				[0] = {
+					.threshold  = -75,
+					.pacing     = 500,
+					.metric  = CONF_TRIG_METRIC_RSSI_BEACON,
+					.type       = CONF_TRIG_EVENT_TYPE_EDGE,
+					.direction  = CONF_TRIG_EVENT_DIR_LOW,
+					.hysteresis = 2,
+					.index      = 0,
+					.enable     = 1
+				},
+				[1] = {
+					.threshold  = -75,
+					.pacing     = 500,
+					.metric  = CONF_TRIG_METRIC_RSSI_BEACON,
+					.type       = CONF_TRIG_EVENT_TYPE_EDGE,
+					.direction  = CONF_TRIG_EVENT_DIR_HIGH,
+					.hysteresis = 2,
+					.index      = 1,
+					.enable     = 1
+				}
+			},
+			.sig_weights = {
+				.rssi_bcn_avg_weight = 10,
+				.rssi_pkt_avg_weight = 10,
+				.snr_bcn_avg_weight  = 10,
+				.snr_pkt_avg_weight  = 10
+			}
 		}
 	};
 
@@ -765,7 +813,6 @@ static void wl1271_op_stop(struct ieee80211_hw *hw)
 	memset(wl->bssid, 0, ETH_ALEN);
 	memset(wl->ssid, 0, IW_ESSID_MAX_SIZE + 1);
 	wl->ssid_len = 0;
-	wl->listen_int = 1;
 	wl->bss_type = MAX_BSS_TYPE;
 	wl->band = IEEE80211_BAND_2GHZ;
 
@@ -1504,7 +1551,6 @@ static int __devinit wl1271_probe(struct spi_device *spi)
 	wl->channel = WL1271_DEFAULT_CHANNEL;
 	wl->scanning = false;
 	wl->default_key = 0;
-	wl->listen_int = 1;
 	wl->rx_counter = 0;
 	wl->rx_config = WL1271_DEFAULT_RX_CONFIG;
 	wl->rx_filter = WL1271_DEFAULT_RX_FILTER;
-- 
GitLab


From 47fab7d589d46d87a5dbfd7f2ddd53deccfad504 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Tue, 13 Oct 2009 12:47:43 +0300
Subject: [PATCH 0504/1815] wl1271: Add config structure for FW init parameters

Add a configuration structure for RX path parameters, and set default
configuration values there.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_acx.c  |  39 ++---
 drivers/net/wireless/wl12xx/wl1271_conf.h | 182 ++++++++++++++++++++++
 drivers/net/wireless/wl12xx/wl1271_init.c | 128 ++++++++-------
 drivers/net/wireless/wl12xx/wl1271_init.h |  51 +++---
 drivers/net/wireless/wl12xx/wl1271_main.c | 103 ++++++++++++
 5 files changed, 376 insertions(+), 127 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.c b/drivers/net/wireless/wl12xx/wl1271_acx.c
index d0036860ab6..880c82894f6 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.c
@@ -1014,7 +1014,7 @@ int wl1271_acx_smart_reflex(struct wl1271 *wl)
 {
 	struct acx_smart_reflex_state *sr_state = NULL;
 	struct acx_smart_reflex_config_params *sr_param = NULL;
-	int ret;
+	int i, ret;
 
 	wl1271_debug(DEBUG_ACX, "acx smart reflex");
 
@@ -1024,33 +1024,14 @@ int wl1271_acx_smart_reflex(struct wl1271 *wl)
 		goto out;
 	}
 
-	/* set cryptic smart reflex parameters - source TI reference code */
-	sr_param->error_table[0].len = 0x07;
-	sr_param->error_table[0].upper_limit = 0x03;
-	sr_param->error_table[0].values[0] = 0x18;
-	sr_param->error_table[0].values[1] = 0x10;
-	sr_param->error_table[0].values[2] = 0x05;
-	sr_param->error_table[0].values[3] = 0xfb;
-	sr_param->error_table[0].values[4] = 0xf0;
-	sr_param->error_table[0].values[5] = 0xe8;
-
-	sr_param->error_table[1].len = 0x07;
-	sr_param->error_table[1].upper_limit = 0x03;
-	sr_param->error_table[1].values[0] = 0x18;
-	sr_param->error_table[1].values[1] = 0x10;
-	sr_param->error_table[1].values[2] = 0x05;
-	sr_param->error_table[1].values[3] = 0xf6;
-	sr_param->error_table[1].values[4] = 0xf0;
-	sr_param->error_table[1].values[5] = 0xe8;
-
-	sr_param->error_table[2].len = 0x07;
-	sr_param->error_table[2].upper_limit = 0x03;
-	sr_param->error_table[2].values[0] = 0x18;
-	sr_param->error_table[2].values[1] = 0x10;
-	sr_param->error_table[2].values[2] = 0x05;
-	sr_param->error_table[2].values[3] = 0xfb;
-	sr_param->error_table[2].values[4] = 0xf0;
-	sr_param->error_table[2].values[5] = 0xe8;
+	for (i = 0; i < CONF_SR_ERR_TBL_COUNT; i++) {
+		struct conf_mart_reflex_err_table *e =
+			&(wl->conf.init.sr_err_tbl[i]);
+
+		sr_param->error_table[i].len = e->len;
+		sr_param->error_table[i].upper_limit = e->upper_limit;
+		memcpy(sr_param->error_table[i].values, e->values, e->len);
+	}
 
 	ret = wl1271_cmd_configure(wl, ACX_SET_SMART_REFLEX_PARAMS,
 				   sr_param, sizeof(*sr_param));
@@ -1066,7 +1047,7 @@ int wl1271_acx_smart_reflex(struct wl1271 *wl)
 	}
 
 	/* enable smart reflex */
-	sr_state->enable = 1;
+	sr_state->enable = wl->conf.init.sr_enable;
 
 	ret = wl1271_cmd_configure(wl, ACX_SET_SMART_REFLEX_STATE,
 				   sr_state, sizeof(*sr_state));
diff --git a/drivers/net/wireless/wl12xx/wl1271_conf.h b/drivers/net/wireless/wl12xx/wl1271_conf.h
index f08e509bd69..5333a273125 100644
--- a/drivers/net/wireless/wl12xx/wl1271_conf.h
+++ b/drivers/net/wireless/wl12xx/wl1271_conf.h
@@ -691,11 +691,193 @@ struct conf_conn_settings {
 	struct conf_sig_weights sig_weights;
 };
 
+#define CONF_SR_ERR_TBL_MAX_VALUES   14
+
+struct conf_mart_reflex_err_table {
+	/*
+	 * Length of the error table values table.
+	 *
+	 * Range: 0 - CONF_SR_ERR_TBL_MAX_VALUES
+	 */
+	u8 len;
+
+	/*
+	 * Smart Reflex error table upper limit.
+	 *
+	 * Range: s8
+	 */
+	s8 upper_limit;
+
+	/*
+	 * Smart Reflex error table values.
+	 *
+	 * Range: s8
+	 */
+	s8 values[CONF_SR_ERR_TBL_MAX_VALUES];
+};
+
+enum {
+	CONF_REF_CLK_19_2_E,
+	CONF_REF_CLK_26_E,
+	CONF_REF_CLK_38_4_E,
+	CONF_REF_CLK_52_E
+};
+
+struct conf_general_parms {
+	/*
+	 * RF Reference Clock type / speed
+	 *
+	 * Range: CONF_REF_CLK_*
+	 */
+	u8 ref_clk;
+
+	/*
+	 * Settling time of the reference clock after boot.
+	 *
+	 * Range: u8
+	 */
+	u8 settling_time;
+
+	/*
+	 * Flag defining whether clock is valid on wakeup.
+	 *
+	 * Range: 0 - not valid on wakeup, 1 - valid on wakeup
+	 */
+	u8 clk_valid_on_wakeup;
+
+	/*
+	 * DC-to-DC mode.
+	 *
+	 * Range: Unknown
+	 */
+	u8 dc2dcmode;
+
+	/*
+	 * Flag defining whether used as single or dual-band.
+	 *
+	 * Range: Unknown
+	 */
+	u8 single_dual_band;
+
+	/*
+	 * TX bip fem autodetect flag.
+	 *
+	 * Range: Unknown
+	 */
+	u8 tx_bip_fem_autodetect;
+
+	/*
+	 * TX bip gem manufacturer.
+	 *
+	 * Range: Unknown
+	 */
+	u8 tx_bip_fem_manufacturer;
+
+	/*
+	 * Settings flags.
+	 *
+	 * Range: Unknown
+	 */
+	u8 settings;
+};
+
+#define CONF_RSSI_AND_PROCESS_COMPENSATION_SIZE 15
+#define CONF_NUMBER_OF_SUB_BANDS_5  7
+#define CONF_NUMBER_OF_RATE_GROUPS  6
+#define CONF_NUMBER_OF_CHANNELS_2_4 14
+#define CONF_NUMBER_OF_CHANNELS_5   35
+
+struct conf_radio_parms {
+	/*
+	 * Static radio parameters for 2.4GHz
+	 *
+	 * Range: unknown
+	 */
+	u8 rx_trace_loss;
+	u8 tx_trace_loss;
+	s8 rx_rssi_and_proc_compens[CONF_RSSI_AND_PROCESS_COMPENSATION_SIZE];
+
+	/*
+	 * Static radio parameters for 5GHz
+	 *
+	 * Range: unknown
+	 */
+	u8 rx_trace_loss_5[CONF_NUMBER_OF_SUB_BANDS_5];
+	u8 tx_trace_loss_5[CONF_NUMBER_OF_SUB_BANDS_5];
+	s8 rx_rssi_and_proc_compens_5[CONF_RSSI_AND_PROCESS_COMPENSATION_SIZE];
+
+	/*
+	 * Dynamic radio parameters for 2.4GHz
+	 *
+	 * Range: unknown
+	 */
+	s16 tx_ref_pd_voltage;
+	s8  tx_ref_power;
+	s8  tx_offset_db;
+
+	s8  tx_rate_limits_normal[CONF_NUMBER_OF_RATE_GROUPS];
+	s8  tx_rate_limits_degraded[CONF_NUMBER_OF_RATE_GROUPS];
+
+	s8  tx_channel_limits_11b[CONF_NUMBER_OF_CHANNELS_2_4];
+	s8  tx_channel_limits_ofdm[CONF_NUMBER_OF_CHANNELS_2_4];
+	s8  tx_pdv_rate_offsets[CONF_NUMBER_OF_RATE_GROUPS];
+
+	u8  tx_ibias[CONF_NUMBER_OF_RATE_GROUPS];
+	u8  rx_fem_insertion_loss;
+
+	/*
+	 * Dynamic radio parameters for 5GHz
+	 *
+	 * Range: unknown
+	 */
+	s16 tx_ref_pd_voltage_5[CONF_NUMBER_OF_SUB_BANDS_5];
+	s8  tx_ref_power_5[CONF_NUMBER_OF_SUB_BANDS_5];
+	s8  tx_offset_db_5[CONF_NUMBER_OF_SUB_BANDS_5];
+
+	s8  tx_rate_limits_normal_5[CONF_NUMBER_OF_RATE_GROUPS];
+	s8  tx_rate_limits_degraded_5[CONF_NUMBER_OF_RATE_GROUPS];
+
+	s8  tx_channel_limits_ofdm_5[CONF_NUMBER_OF_CHANNELS_5];
+	s8  tx_pdv_rate_offsets_5[CONF_NUMBER_OF_RATE_GROUPS];
+
+	/* FIXME: this is inconsistent with the types for 2.4GHz */
+	s8  tx_ibias_5[CONF_NUMBER_OF_RATE_GROUPS];
+	s8  rx_fem_insertion_loss_5[CONF_NUMBER_OF_SUB_BANDS_5];
+};
+
+#define CONF_SR_ERR_TBL_COUNT        3
+
+struct conf_init_settings {
+	/*
+	 * Configure Smart Reflex error table values.
+	 */
+	struct conf_mart_reflex_err_table sr_err_tbl[CONF_SR_ERR_TBL_COUNT];
+
+	/*
+	 * Smart Reflex enable flag.
+	 *
+	 * Range: 1 - Smart Reflex enabled, 0 - Smart Reflex disabled
+	 */
+	u8 sr_enable;
+
+	/*
+	 * Configure general parameters.
+	 */
+	struct conf_general_parms genparam;
+
+	/*
+	 * Configure radio parameters.
+	 */
+	struct conf_radio_parms radioparam;
+
+};
+
 struct conf_drv_settings {
 	struct conf_sg_settings sg;
 	struct conf_rx_settings rx;
 	struct conf_tx_settings tx;
 	struct conf_conn_settings conn;
+	struct conf_init_settings init;
 };
 
 #endif
diff --git a/drivers/net/wireless/wl12xx/wl1271_init.c b/drivers/net/wireless/wl12xx/wl1271_init.c
index a3fc4c97c51..5c2cf1e00ac 100644
--- a/drivers/net/wireless/wl12xx/wl1271_init.c
+++ b/drivers/net/wireless/wl12xx/wl1271_init.c
@@ -188,6 +188,7 @@ static int wl1271_init_beacon_broadcast(struct wl1271 *wl)
 static int wl1271_init_general_parms(struct wl1271 *wl)
 {
 	struct wl1271_general_parms *gen_parms;
+	struct conf_general_parms *g = &wl->conf.init.genparam;
 	int ret;
 
 	gen_parms = kzalloc(sizeof(*gen_parms), GFP_KERNEL);
@@ -196,22 +197,14 @@ static int wl1271_init_general_parms(struct wl1271 *wl)
 
 	gen_parms->id = TEST_CMD_INI_FILE_GENERAL_PARAM;
 
-	/*
-	 * FIXME: The firmware crashes on boot with REF_CLK_38_4_E as clock.
-	 *        according to TI engineers, ref clk 5 is an unofficial
-	 *        38.4 XTAL clock config, which seems to boot the device.
-	 *        Restore correct value once the real problem source is
-	 *        identified.
-	 */
-	gen_parms->ref_clk = 5; /* REF_CLK_38_4_E; */
-	/* FIXME: magic numbers */
-	gen_parms->settling_time = 5;
-	gen_parms->clk_valid_on_wakeup = 0;
-	gen_parms->dc2dcmode = 0;
-	gen_parms->single_dual_band = 0;
-	gen_parms->tx_bip_fem_autodetect = 0;
-	gen_parms->tx_bip_fem_manufacturer = 1;
-	gen_parms->settings = 1;
+	gen_parms->ref_clk = g->ref_clk;
+	gen_parms->settling_time = g->settling_time;
+	gen_parms->clk_valid_on_wakeup = g->clk_valid_on_wakeup;
+	gen_parms->dc2dcmode = g->dc2dcmode;
+	gen_parms->single_dual_band = g->single_dual_band;
+	gen_parms->tx_bip_fem_autodetect = g->tx_bip_fem_autodetect;
+	gen_parms->tx_bip_fem_manufacturer = g->tx_bip_fem_manufacturer;
+	gen_parms->settings = g->settings;
 
 	ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), 0);
 	if (ret < 0) {
@@ -225,32 +218,9 @@ static int wl1271_init_general_parms(struct wl1271 *wl)
 
 static int wl1271_init_radio_parms(struct wl1271 *wl)
 {
-	/*
-	 * FIXME: All these magic numbers should be moved to some place where
-	 * they can be configured (separate file?)
-	 */
-
 	struct wl1271_radio_parms *radio_parms;
-	int ret;
-	u8 compensation[] = { 0xec, 0xf6, 0x00, 0x0c, 0x18, 0xf8, 0xfc, 0x00,
-			      0x08, 0x10, 0xf0, 0xf8, 0x00, 0x0a, 0x14 };
-
-	u8 tx_rate_limits_normal[]   = { 0x1e, 0x1f, 0x22, 0x24, 0x28, 0x29 };
-	u8 tx_rate_limits_degraded[] = { 0x1b, 0x1c, 0x1e, 0x20, 0x24, 0x25 };
-
-	u8 tx_channel_limits_11b[] = { 0x22, 0x50, 0x50, 0x50,
-				       0x50, 0x50, 0x50, 0x50,
-				       0x50, 0x50, 0x22, 0x50,
-				       0x22, 0x50 };
-
-	u8 tx_channel_limits_ofdm[] = { 0x20, 0x50, 0x50, 0x50,
-					0x50, 0x50, 0x50, 0x50,
-					0x50, 0x50, 0x20, 0x50,
-					0x20, 0x50 };
-
-	u8 tx_pdv_rate_offsets[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
-
-	u8 tx_ibias[] = { 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x27 };
+	struct conf_radio_parms *r = &wl->conf.init.radioparam;
+	int i, ret;
 
 	radio_parms = kzalloc(sizeof(*radio_parms), GFP_KERNEL);
 	if (!radio_parms)
@@ -259,33 +229,59 @@ static int wl1271_init_radio_parms(struct wl1271 *wl)
 	radio_parms->id = TEST_CMD_INI_FILE_RADIO_PARAM;
 
 	/* Static radio parameters */
-	radio_parms->rx_trace_loss = 10;
-	radio_parms->tx_trace_loss = 10;
-	memcpy(radio_parms->rx_rssi_and_proc_compens, compensation,
-	       sizeof(compensation));
-
-	/* We don't set the 5GHz -- N/A */
+	radio_parms->rx_trace_loss = r->rx_trace_loss;
+	radio_parms->tx_trace_loss = r->tx_trace_loss;
+	memcpy(radio_parms->rx_rssi_and_proc_compens,
+	       r->rx_rssi_and_proc_compens,
+	       CONF_RSSI_AND_PROCESS_COMPENSATION_SIZE);
+
+	memcpy(radio_parms->rx_trace_loss_5, r->rx_trace_loss_5,
+	       CONF_NUMBER_OF_SUB_BANDS_5);
+	memcpy(radio_parms->tx_trace_loss_5, r->tx_trace_loss_5,
+	       CONF_NUMBER_OF_SUB_BANDS_5);
+	memcpy(radio_parms->rx_rssi_and_proc_compens_5,
+	       r->rx_rssi_and_proc_compens_5,
+	       CONF_RSSI_AND_PROCESS_COMPENSATION_SIZE);
 
 	/* Dynamic radio parameters */
-	radio_parms->tx_ref_pd_voltage = cpu_to_le16(0x24e);
-	radio_parms->tx_ref_power = 0x78;
-	radio_parms->tx_offset_db = 0x0;
-
-	memcpy(radio_parms->tx_rate_limits_normal, tx_rate_limits_normal,
-	       sizeof(tx_rate_limits_normal));
-	memcpy(radio_parms->tx_rate_limits_degraded, tx_rate_limits_degraded,
-	       sizeof(tx_rate_limits_degraded));
-
-	memcpy(radio_parms->tx_channel_limits_11b, tx_channel_limits_11b,
-	       sizeof(tx_channel_limits_11b));
-	memcpy(radio_parms->tx_channel_limits_ofdm, tx_channel_limits_ofdm,
-	       sizeof(tx_channel_limits_ofdm));
-	memcpy(radio_parms->tx_pdv_rate_offsets, tx_pdv_rate_offsets,
-	       sizeof(tx_pdv_rate_offsets));
-	memcpy(radio_parms->tx_ibias, tx_ibias,
-	       sizeof(tx_ibias));
-
-	radio_parms->rx_fem_insertion_loss = 0x14;
+	radio_parms->tx_ref_pd_voltage = cpu_to_le16(r->tx_ref_pd_voltage);
+	radio_parms->tx_ref_power = r->tx_ref_power;
+	radio_parms->tx_offset_db = r->tx_offset_db;
+
+	memcpy(radio_parms->tx_rate_limits_normal, r->tx_rate_limits_normal,
+	       CONF_NUMBER_OF_RATE_GROUPS);
+	memcpy(radio_parms->tx_rate_limits_degraded, r->tx_rate_limits_degraded,
+	       CONF_NUMBER_OF_RATE_GROUPS);
+
+	memcpy(radio_parms->tx_channel_limits_11b, r->tx_channel_limits_11b,
+	       CONF_NUMBER_OF_CHANNELS_2_4);
+	memcpy(radio_parms->tx_channel_limits_ofdm, r->tx_channel_limits_ofdm,
+	       CONF_NUMBER_OF_CHANNELS_2_4);
+	memcpy(radio_parms->tx_pdv_rate_offsets, r->tx_pdv_rate_offsets,
+	       CONF_NUMBER_OF_RATE_GROUPS);
+	memcpy(radio_parms->tx_ibias, r->tx_ibias, CONF_NUMBER_OF_RATE_GROUPS);
+
+	radio_parms->rx_fem_insertion_loss = r->rx_fem_insertion_loss;
+
+	for (i = 0; i < CONF_NUMBER_OF_SUB_BANDS_5; i++)
+		radio_parms->tx_ref_pd_voltage_5[i] =
+			cpu_to_le16(r->tx_ref_pd_voltage_5[i]);
+	memcpy(radio_parms->tx_ref_power_5, r->tx_ref_power_5,
+	       CONF_NUMBER_OF_SUB_BANDS_5);
+	memcpy(radio_parms->tx_offset_db_5, r->tx_offset_db_5,
+	       CONF_NUMBER_OF_SUB_BANDS_5);
+	memcpy(radio_parms->tx_rate_limits_normal_5,
+	       r->tx_rate_limits_normal_5, CONF_NUMBER_OF_RATE_GROUPS);
+	memcpy(radio_parms->tx_rate_limits_degraded_5,
+	       r->tx_rate_limits_degraded_5, CONF_NUMBER_OF_RATE_GROUPS);
+	memcpy(radio_parms->tx_channel_limits_ofdm_5,
+	       r->tx_channel_limits_ofdm_5, CONF_NUMBER_OF_CHANNELS_5);
+	memcpy(radio_parms->tx_pdv_rate_offsets_5, r->tx_pdv_rate_offsets_5,
+	       CONF_NUMBER_OF_RATE_GROUPS);
+	memcpy(radio_parms->tx_ibias_5, r->tx_ibias_5,
+	       CONF_NUMBER_OF_RATE_GROUPS);
+	memcpy(radio_parms->rx_fem_insertion_loss_5,
+	       r->rx_fem_insertion_loss_5, CONF_NUMBER_OF_SUB_BANDS_5);
 
 	ret = wl1271_cmd_test(wl, radio_parms, sizeof(*radio_parms), 0);
 	if (ret < 0)
diff --git a/drivers/net/wireless/wl12xx/wl1271_init.h b/drivers/net/wireless/wl12xx/wl1271_init.h
index bd8ff0fa227..513d0cb1866 100644
--- a/drivers/net/wireless/wl12xx/wl1271_init.h
+++ b/drivers/net/wireless/wl12xx/wl1271_init.h
@@ -48,19 +48,6 @@ struct wl1271_general_parms {
 	u8 settings;
 } __attribute__ ((packed));
 
-enum ref_clk_enum {
-	REF_CLK_19_2_E,
-	REF_CLK_26_E,
-	REF_CLK_38_4_E,
-	REF_CLK_52_E
-};
-
-#define RSSI_AND_PROCESS_COMPENSATION_SIZE 15
-#define NUMBER_OF_SUB_BANDS_5  7
-#define NUMBER_OF_RATE_GROUPS  6
-#define NUMBER_OF_CHANNELS_2_4 14
-#define NUMBER_OF_CHANNELS_5   35
-
 struct wl1271_radio_parms {
 	u8 id;
 	u8 padding[3];
@@ -69,12 +56,12 @@ struct wl1271_radio_parms {
 	/* 2.4GHz */
 	u8 rx_trace_loss;
 	u8 tx_trace_loss;
-	s8 rx_rssi_and_proc_compens[RSSI_AND_PROCESS_COMPENSATION_SIZE];
+	s8 rx_rssi_and_proc_compens[CONF_RSSI_AND_PROCESS_COMPENSATION_SIZE];
 
 	/* 5GHz */
-	u8 rx_trace_loss_5[NUMBER_OF_SUB_BANDS_5];
-	u8 tx_trace_loss_5[NUMBER_OF_SUB_BANDS_5];
-	s8 rx_rssi_and_proc_compens_5[RSSI_AND_PROCESS_COMPENSATION_SIZE];
+	u8 rx_trace_loss_5[CONF_NUMBER_OF_SUB_BANDS_5];
+	u8 tx_trace_loss_5[CONF_NUMBER_OF_SUB_BANDS_5];
+	s8 rx_rssi_and_proc_compens_5[CONF_RSSI_AND_PROCESS_COMPENSATION_SIZE];
 
 	/* Dynamic radio parameters */
 	/* 2.4GHz */
@@ -82,32 +69,32 @@ struct wl1271_radio_parms {
 	s8  tx_ref_power;
 	s8  tx_offset_db;
 
-	s8  tx_rate_limits_normal[NUMBER_OF_RATE_GROUPS];
-	s8  tx_rate_limits_degraded[NUMBER_OF_RATE_GROUPS];
+	s8  tx_rate_limits_normal[CONF_NUMBER_OF_RATE_GROUPS];
+	s8  tx_rate_limits_degraded[CONF_NUMBER_OF_RATE_GROUPS];
 
-	s8  tx_channel_limits_11b[NUMBER_OF_CHANNELS_2_4];
-	s8  tx_channel_limits_ofdm[NUMBER_OF_CHANNELS_2_4];
-	s8  tx_pdv_rate_offsets[NUMBER_OF_RATE_GROUPS];
+	s8  tx_channel_limits_11b[CONF_NUMBER_OF_CHANNELS_2_4];
+	s8  tx_channel_limits_ofdm[CONF_NUMBER_OF_CHANNELS_2_4];
+	s8  tx_pdv_rate_offsets[CONF_NUMBER_OF_RATE_GROUPS];
 
-	u8  tx_ibias[NUMBER_OF_RATE_GROUPS];
+	u8  tx_ibias[CONF_NUMBER_OF_RATE_GROUPS];
 	u8  rx_fem_insertion_loss;
 
 	u8 padding2;
 
 	/* 5GHz */
-	s16 tx_ref_pd_voltage_5[NUMBER_OF_SUB_BANDS_5];
-	s8  tx_ref_power_5[NUMBER_OF_SUB_BANDS_5];
-	s8  tx_offset_db_5[NUMBER_OF_SUB_BANDS_5];
+	s16 tx_ref_pd_voltage_5[CONF_NUMBER_OF_SUB_BANDS_5];
+	s8  tx_ref_power_5[CONF_NUMBER_OF_SUB_BANDS_5];
+	s8  tx_offset_db_5[CONF_NUMBER_OF_SUB_BANDS_5];
 
-	s8  tx_rate_limits_normal_5[NUMBER_OF_RATE_GROUPS];
-	s8  tx_rate_limits_degraded_5[NUMBER_OF_RATE_GROUPS];
+	s8  tx_rate_limits_normal_5[CONF_NUMBER_OF_RATE_GROUPS];
+	s8  tx_rate_limits_degraded_5[CONF_NUMBER_OF_RATE_GROUPS];
 
-	s8  tx_channel_limits_ofdm_5[NUMBER_OF_CHANNELS_5];
-	s8  tx_pdv_rate_offsets_5[NUMBER_OF_RATE_GROUPS];
+	s8  tx_channel_limits_ofdm_5[CONF_NUMBER_OF_CHANNELS_5];
+	s8  tx_pdv_rate_offsets_5[CONF_NUMBER_OF_RATE_GROUPS];
 
 	/* FIXME: this is inconsistent with the types for 2.4GHz */
-	s8  tx_ibias_5[NUMBER_OF_RATE_GROUPS];
-	s8  rx_fem_insertion_loss_5[NUMBER_OF_SUB_BANDS_5];
+	s8  tx_ibias_5[CONF_NUMBER_OF_RATE_GROUPS];
+	s8  rx_fem_insertion_loss_5[CONF_NUMBER_OF_SUB_BANDS_5];
 
 	u8 padding3[2];
 } __attribute__ ((packed));
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index a559a153653..0b17b056f3f 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -224,6 +224,109 @@ static void wl1271_conf_init(struct wl1271 *wl)
 				.snr_bcn_avg_weight  = 10,
 				.snr_pkt_avg_weight  = 10
 			}
+		},
+		.init = {
+			.sr_err_tbl = {
+				[0] = {
+					.len         = 7,
+					.upper_limit = 0x03,
+					.values      = {
+						0x18, 0x10, 0x05, 0xfb,
+						0xf0, 0xe8, 0x00 }
+				},
+				[1] = {
+					.len         = 7,
+					.upper_limit = 0x03,
+					.values      = {
+						0x18, 0x10, 0x05, 0xf6,
+						0xf0, 0xe8, 0x00 }
+				},
+				[2] = {
+					.len         = 7,
+					.upper_limit = 0x03,
+					.values      = {
+						0x18, 0x10, 0x05, 0xfb,
+						0xf0, 0xe8, 0x00 }
+				}
+			},
+			.sr_enable = 1,
+			.genparam = {
+				/*
+				 * FIXME: The correct value CONF_REF_CLK_38_4_E
+				 *        causes the firmware to crash on boot.
+				 *        The value 5 apparently is an
+				 *        unnoficial XTAL configuration of the
+				 *        same frequency, which appears to work.
+				 */
+				.ref_clk             = 5,
+				.settling_time       = 5,
+				.clk_valid_on_wakeup = 0,
+				.dc2dcmode           = 0,
+				.single_dual_band    = 0,
+				.tx_bip_fem_autodetect = 0,
+				.tx_bip_fem_manufacturer = 1,
+				.settings = 1,
+			},
+			.radioparam = {
+				/* FIXME: 5GHz values unset! */
+				.rx_trace_loss       = 10,
+				.tx_trace_loss       = 10,
+				.rx_rssi_and_proc_compens = {
+					0xec, 0xf6, 0x00, 0x0c, 0x18, 0xf8,
+					0xfc, 0x00, 0x08, 0x10, 0xf0, 0xf8,
+					0x00, 0x0a, 0x14 },
+				.rx_trace_loss_5     = {
+					0, 0, 0, 0, 0, 0, 0 },
+				.tx_trace_loss_5     = {
+					0, 0, 0, 0, 0, 0, 0 },
+				.rx_rssi_and_proc_compens_5 = {
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+					0x00, 0x00, 0x00 },
+				.tx_ref_pd_voltage   = 0x24e,
+				.tx_ref_power        = 0x78,
+				.tx_offset_db        = 0x0,
+				.tx_rate_limits_normal = {
+					0x1e, 0x1f, 0x22, 0x24, 0x28, 0x29 },
+				.tx_rate_limits_degraded = {
+					0x1b, 0x1c, 0x1e, 0x20, 0x24, 0x25 },
+				.tx_channel_limits_11b = {
+					0x22, 0x50, 0x50, 0x50, 0x50, 0x50,
+					0x50, 0x50, 0x50, 0x50, 0x22, 0x50,
+					0x22, 0x50 },
+				.tx_channel_limits_ofdm = {
+					0x20, 0x50, 0x50, 0x50, 0x50, 0x50,
+					0x50, 0x50, 0x50, 0x50, 0x20, 0x50,
+					0x20, 0x50 },
+				.tx_pdv_rate_offsets = {
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
+				.tx_ibias            = {
+					0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x27 },
+				.rx_fem_insertion_loss = 0x14,
+				.tx_ref_pd_voltage_5 = {
+					0, 0, 0, 0, 0, 0, 0 },
+				.tx_ref_power_5      = {
+					0, 0, 0, 0, 0, 0, 0 },
+				.tx_offset_db_5      = {
+					0, 0, 0, 0, 0, 0, 0 },
+				.tx_rate_limits_normal_5 = {
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
+				.tx_rate_limits_degraded_5 = {
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
+				.tx_channel_limits_ofdm_5 = {
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+					0x00, 0x00, 0x00, 0x00, 0x00},
+				.tx_pdv_rate_offsets_5 = {
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
+				.tx_ibias_5          = {
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
+				.rx_fem_insertion_loss_5 = {
+					0, 0, 0, 0, 0, 0, 0 }
+			}
 		}
 	};
 
-- 
GitLab


From 8a08048a3722a6b52c2b34e070c4e6a32ad19e0d Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Tue, 13 Oct 2009 12:47:44 +0300
Subject: [PATCH 0505/1815] wl1271: Move default FW config struct away from
 stack

Move the default FW config into a module global static variable, instead
of being a stack variable.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_main.c | 535 +++++++++++-----------
 1 file changed, 264 insertions(+), 271 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 0b17b056f3f..eba38dff871 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -46,289 +46,282 @@
 #include "wl1271_cmd.h"
 #include "wl1271_boot.h"
 
-static void wl1271_conf_init(struct wl1271 *wl)
-{
-	struct conf_drv_settings conf = {
-		.sg = {
-			.per_threshold              = 7500,
-			.max_scan_compensation_time = 120000,
-			.nfs_sample_interval        = 400,
-			.load_ratio                 = 50,
-			.auto_ps_mode               = 0,
-			.probe_req_compensation     = 170,
-			.scan_window_compensation   = 50,
-			.antenna_config             = 0,
-			.beacon_miss_threshold      = 60,
-			.rate_adaptation_threshold  = CONF_HW_BIT_RATE_12MBPS,
-			.rate_adaptation_snr        = 0
-		},
-		.rx = {
-			.rx_msdu_life_time          = 512000,
-			.packet_detection_threshold = 0,
-			.ps_poll_timeout            = 15,
-			.upsd_timeout               = 15,
-			.rts_threshold              = 2347,
-			.rx_cca_threshold           = 0xFFEF,
-			.irq_blk_threshold          = 0,
-			.irq_pkt_threshold          = USHORT_MAX,
-			.irq_timeout                = 5,
-			.queue_type           = CONF_RX_QUEUE_TYPE_LOW_PRIORITY,
+static struct conf_drv_settings default_conf = {
+	.sg = {
+		.per_threshold               = 7500,
+		.max_scan_compensation_time  = 120000,
+		.nfs_sample_interval         = 400,
+		.load_ratio                  = 50,
+		.auto_ps_mode                = 0,
+		.probe_req_compensation      = 170,
+		.scan_window_compensation    = 50,
+		.antenna_config              = 0,
+		.beacon_miss_threshold       = 60,
+		.rate_adaptation_threshold   = CONF_HW_BIT_RATE_12MBPS,
+		.rate_adaptation_snr         = 0
+	},
+	.rx = {
+		.rx_msdu_life_time           = 512000,
+		.packet_detection_threshold  = 0,
+		.ps_poll_timeout             = 15,
+		.upsd_timeout                = 15,
+		.rts_threshold               = 2347,
+		.rx_cca_threshold            = 0xFFEF,
+		.irq_blk_threshold           = 0,
+		.irq_pkt_threshold           = USHORT_MAX,
+		.irq_timeout                 = 5,
+		.queue_type                  = CONF_RX_QUEUE_TYPE_LOW_PRIORITY,
+	},
+	.tx = {
+		.tx_energy_detection         = 0,
+		.rc_conf                     = {
+			.enabled_rates       = CONF_TX_RATE_MASK_UNSPECIFIED,
+			.short_retry_limit   = 10,
+			.long_retry_limit    = 10,
+			.aflags              = 0
 		},
-		.tx = {
-			.tx_energy_detection        = 0,
-			.rc_conf                    = {
-				.enabled_rates      =
-				CONF_TX_RATE_MASK_UNSPECIFIED,
-				.short_retry_limit  = 10,
-				.long_retry_limit   = 10,
-				.aflags             = 0
+		.ac_conf_count               = 4,
+		.ac_conf                     = {
+			[0] = {
+				.ac          = CONF_TX_AC_BE,
+				.cw_min      = 15,
+				.cw_max      = 63,
+				.aifsn       = 3,
+				.tx_op_limit = 0,
+			},
+			[1] = {
+				.ac          = CONF_TX_AC_BK,
+				.cw_min      = 15,
+				.cw_max      = 63,
+				.aifsn       = 7,
+				.tx_op_limit = 0,
 			},
-			.ac_conf_count              = 4,
-			.ac_conf                    = {
-				[0] = {
-					.ac         = CONF_TX_AC_BE,
-					.cw_min     = 15,
-					.cw_max     = 63,
-					.aifsn      = 3,
-					.tx_op_limit = 0,
-				},
-				[1] = {
-					.ac         = CONF_TX_AC_BK,
-					.cw_min     = 15,
-					.cw_max     = 63,
-					.aifsn      = 7,
-					.tx_op_limit = 0,
-				},
-				[2] = {
-					.ac         = CONF_TX_AC_VI,
-					.cw_min     = 15,
-					.cw_max     = 63,
-					.aifsn      = CONF_TX_AIFS_PIFS,
-					.tx_op_limit = 3008,
-				},
-				[3] = {
-					.ac         = CONF_TX_AC_VO,
-					.cw_min     = 15,
-					.cw_max     = 63,
-					.aifsn      = CONF_TX_AIFS_PIFS,
-					.tx_op_limit = 1504,
-				},
+			[2] = {
+				.ac          = CONF_TX_AC_VI,
+				.cw_min      = 15,
+				.cw_max      = 63,
+				.aifsn       = CONF_TX_AIFS_PIFS,
+				.tx_op_limit = 3008,
 			},
-			.tid_conf_count = 7,
-			.tid_conf = {
-				[0] = {
-					.queue_id   = 0,
-					.channel_type = CONF_CHANNEL_TYPE_DCF,
-					.tsid = CONF_TX_AC_BE,
-					.ps_scheme  = CONF_PS_SCHEME_LEGACY,
-					.ack_policy = CONF_ACK_POLICY_LEGACY,
-					.apsd_conf  = {0, 0},
-				},
-				[1] = {
-					.queue_id   = 1,
-					.channel_type = CONF_CHANNEL_TYPE_DCF,
-					.tsid = CONF_TX_AC_BE,
-					.ps_scheme  = CONF_PS_SCHEME_LEGACY,
-					.ack_policy = CONF_ACK_POLICY_LEGACY,
-					.apsd_conf  = {0, 0},
-				},
-				[2] = {
-					.queue_id   = 2,
-					.channel_type = CONF_CHANNEL_TYPE_DCF,
-					.tsid = CONF_TX_AC_BE,
-					.ps_scheme  = CONF_PS_SCHEME_LEGACY,
-					.ack_policy = CONF_ACK_POLICY_LEGACY,
-					.apsd_conf  = {0, 0},
-				},
-				[3] = {
-					.queue_id   = 3,
-					.channel_type = CONF_CHANNEL_TYPE_DCF,
-					.tsid = CONF_TX_AC_BE,
-					.ps_scheme  = CONF_PS_SCHEME_LEGACY,
-					.ack_policy = CONF_ACK_POLICY_LEGACY,
-					.apsd_conf  = {0, 0},
-				},
-				[4] = {
-					.queue_id   = 4,
-					.channel_type = CONF_CHANNEL_TYPE_DCF,
-					.tsid = CONF_TX_AC_BE,
-					.ps_scheme  = CONF_PS_SCHEME_LEGACY,
-					.ack_policy = CONF_ACK_POLICY_LEGACY,
-					.apsd_conf  = {0, 0},
-				},
-				[5] = {
-					.queue_id   = 5,
-					.channel_type = CONF_CHANNEL_TYPE_DCF,
-					.tsid = CONF_TX_AC_BE,
-					.ps_scheme  = CONF_PS_SCHEME_LEGACY,
-					.ack_policy = CONF_ACK_POLICY_LEGACY,
-					.apsd_conf  = {0, 0},
-				},
-				[6] = {
-					.queue_id   = 6,
-					.channel_type = CONF_CHANNEL_TYPE_DCF,
-					.tsid = CONF_TX_AC_BE,
-					.ps_scheme  = CONF_PS_SCHEME_LEGACY,
-					.ack_policy = CONF_ACK_POLICY_LEGACY,
-					.apsd_conf  = {0, 0},
-				}
+			[3] = {
+				.ac          = CONF_TX_AC_VO,
+				.cw_min      = 15,
+				.cw_max      = 63,
+				.aifsn       = CONF_TX_AIFS_PIFS,
+				.tx_op_limit = 1504,
 			},
-			.frag_threshold          = IEEE80211_MAX_FRAG_THRESHOLD,
-			.tx_compl_timeout           = 5,
-			.tx_compl_threshold         = 5
 		},
-		.conn = {
-			.wake_up_event           = CONF_WAKE_UP_EVENT_DTIM,
-			.listen_interval            = 0,
-			.bcn_filt_mode             = CONF_BCN_FILT_MODE_ENABLED,
-			.bcn_filt_ie_count          = 1,
-			.bcn_filt_ie = {
-				[0] = {
-					.ie         = WLAN_EID_CHANNEL_SWITCH,
-					.rule       =
-					CONF_BCN_RULE_PASS_ON_APPEARANCE,
-				}
+		.tid_conf_count = 7,
+		.tid_conf = {
+			[0] = {
+				.queue_id    = 0,
+				.channel_type = CONF_CHANNEL_TYPE_DCF,
+				.tsid        = CONF_TX_AC_BE,
+				.ps_scheme   = CONF_PS_SCHEME_LEGACY,
+				.ack_policy  = CONF_ACK_POLICY_LEGACY,
+				.apsd_conf   = {0, 0},
+			},
+			[1] = {
+				.queue_id    = 1,
+				.channel_type = CONF_CHANNEL_TYPE_DCF,
+				.tsid        = CONF_TX_AC_BE,
+				.ps_scheme   = CONF_PS_SCHEME_LEGACY,
+				.ack_policy  = CONF_ACK_POLICY_LEGACY,
+				.apsd_conf   = {0, 0},
 			},
-			.synch_fail_thold           = 5,
-			.bss_lose_timeout           = 100,
-			.beacon_rx_timeout          = 10000,
-			.broadcast_timeout          = 20000,
-			.rx_broadcast_in_ps         = 1,
-			.ps_poll_threshold          = 4,
-			.sig_trigger_count          = 2,
-			.sig_trigger = {
-				[0] = {
-					.threshold  = -75,
-					.pacing     = 500,
-					.metric  = CONF_TRIG_METRIC_RSSI_BEACON,
-					.type       = CONF_TRIG_EVENT_TYPE_EDGE,
-					.direction  = CONF_TRIG_EVENT_DIR_LOW,
-					.hysteresis = 2,
-					.index      = 0,
-					.enable     = 1
-				},
-				[1] = {
-					.threshold  = -75,
-					.pacing     = 500,
-					.metric  = CONF_TRIG_METRIC_RSSI_BEACON,
-					.type       = CONF_TRIG_EVENT_TYPE_EDGE,
-					.direction  = CONF_TRIG_EVENT_DIR_HIGH,
-					.hysteresis = 2,
-					.index      = 1,
-					.enable     = 1
-				}
+			[2] = {
+				.queue_id    = 2,
+				.channel_type = CONF_CHANNEL_TYPE_DCF,
+				.tsid        = CONF_TX_AC_BE,
+				.ps_scheme   = CONF_PS_SCHEME_LEGACY,
+				.ack_policy  = CONF_ACK_POLICY_LEGACY,
+				.apsd_conf   = {0, 0},
 			},
-			.sig_weights = {
-				.rssi_bcn_avg_weight = 10,
-				.rssi_pkt_avg_weight = 10,
-				.snr_bcn_avg_weight  = 10,
-				.snr_pkt_avg_weight  = 10
+			[3] = {
+				.queue_id    = 3,
+				.channel_type = CONF_CHANNEL_TYPE_DCF,
+				.tsid        = CONF_TX_AC_BE,
+				.ps_scheme   = CONF_PS_SCHEME_LEGACY,
+				.ack_policy  = CONF_ACK_POLICY_LEGACY,
+				.apsd_conf   = {0, 0},
+			},
+			[4] = {
+				.queue_id    = 4,
+				.channel_type = CONF_CHANNEL_TYPE_DCF,
+				.tsid        = CONF_TX_AC_BE,
+				.ps_scheme   = CONF_PS_SCHEME_LEGACY,
+				.ack_policy  = CONF_ACK_POLICY_LEGACY,
+				.apsd_conf   = {0, 0},
+			},
+			[5] = {
+				.queue_id    = 5,
+				.channel_type = CONF_CHANNEL_TYPE_DCF,
+				.tsid        = CONF_TX_AC_BE,
+				.ps_scheme   = CONF_PS_SCHEME_LEGACY,
+				.ack_policy  = CONF_ACK_POLICY_LEGACY,
+				.apsd_conf   = {0, 0},
+			},
+			[6] = {
+				.queue_id    = 6,
+				.channel_type = CONF_CHANNEL_TYPE_DCF,
+				.tsid        = CONF_TX_AC_BE,
+				.ps_scheme   = CONF_PS_SCHEME_LEGACY,
+				.ack_policy  = CONF_ACK_POLICY_LEGACY,
+				.apsd_conf   = {0, 0},
 			}
 		},
-		.init = {
-			.sr_err_tbl = {
-				[0] = {
-					.len         = 7,
-					.upper_limit = 0x03,
-					.values      = {
-						0x18, 0x10, 0x05, 0xfb,
-						0xf0, 0xe8, 0x00 }
-				},
-				[1] = {
-					.len         = 7,
-					.upper_limit = 0x03,
-					.values      = {
-						0x18, 0x10, 0x05, 0xf6,
-						0xf0, 0xe8, 0x00 }
-				},
-				[2] = {
-					.len         = 7,
-					.upper_limit = 0x03,
-					.values      = {
-						0x18, 0x10, 0x05, 0xfb,
-						0xf0, 0xe8, 0x00 }
-				}
+		.frag_threshold              = IEEE80211_MAX_FRAG_THRESHOLD,
+		.tx_compl_timeout            = 5,
+		.tx_compl_threshold          = 5
+	},
+	.conn = {
+		.wake_up_event               = CONF_WAKE_UP_EVENT_DTIM,
+		.listen_interval             = 0,
+		.bcn_filt_mode               = CONF_BCN_FILT_MODE_ENABLED,
+		.bcn_filt_ie_count           = 1,
+		.bcn_filt_ie = {
+			[0] = {
+				.ie          = WLAN_EID_CHANNEL_SWITCH,
+				.rule        = CONF_BCN_RULE_PASS_ON_APPEARANCE,
+			}
+		},
+		.synch_fail_thold            = 5,
+		.bss_lose_timeout            = 100,
+		.beacon_rx_timeout           = 10000,
+		.broadcast_timeout           = 20000,
+		.rx_broadcast_in_ps          = 1,
+		.ps_poll_threshold           = 4,
+		.sig_trigger_count           = 2,
+		.sig_trigger = {
+			[0] = {
+				.threshold   = -75,
+				.pacing      = 500,
+				.metric      = CONF_TRIG_METRIC_RSSI_BEACON,
+				.type        = CONF_TRIG_EVENT_TYPE_EDGE,
+				.direction   = CONF_TRIG_EVENT_DIR_LOW,
+				.hysteresis  = 2,
+				.index       = 0,
+				.enable      = 1
 			},
-			.sr_enable = 1,
-			.genparam = {
-				/*
-				 * FIXME: The correct value CONF_REF_CLK_38_4_E
-				 *        causes the firmware to crash on boot.
-				 *        The value 5 apparently is an
-				 *        unnoficial XTAL configuration of the
-				 *        same frequency, which appears to work.
-				 */
-				.ref_clk             = 5,
-				.settling_time       = 5,
-				.clk_valid_on_wakeup = 0,
-				.dc2dcmode           = 0,
-				.single_dual_band    = 0,
-				.tx_bip_fem_autodetect = 0,
-				.tx_bip_fem_manufacturer = 1,
-				.settings = 1,
+			[1] = {
+				.threshold   = -75,
+				.pacing      = 500,
+				.metric      = CONF_TRIG_METRIC_RSSI_BEACON,
+				.type        = CONF_TRIG_EVENT_TYPE_EDGE,
+				.direction   = CONF_TRIG_EVENT_DIR_HIGH,
+				.hysteresis  = 2,
+				.index       = 1,
+				.enable      = 1
+			}
+		},
+		.sig_weights = {
+			.rssi_bcn_avg_weight = 10,
+			.rssi_pkt_avg_weight = 10,
+			.snr_bcn_avg_weight  = 10,
+			.snr_pkt_avg_weight  = 10
+		}
+	},
+	.init = {
+		.sr_err_tbl = {
+			[0] = {
+				.len         = 7,
+				.upper_limit = 0x03,
+				.values      = {
+					0x18, 0x10, 0x05, 0xfb, 0xf0, 0xe8,
+					0x00 }
+			},
+			[1] = {
+				.len         = 7,
+				.upper_limit = 0x03,
+				.values      = {
+					0x18, 0x10, 0x05, 0xf6, 0xf0, 0xe8,
+					0x00 }
 			},
-			.radioparam = {
-				/* FIXME: 5GHz values unset! */
-				.rx_trace_loss       = 10,
-				.tx_trace_loss       = 10,
-				.rx_rssi_and_proc_compens = {
-					0xec, 0xf6, 0x00, 0x0c, 0x18, 0xf8,
-					0xfc, 0x00, 0x08, 0x10, 0xf0, 0xf8,
-					0x00, 0x0a, 0x14 },
-				.rx_trace_loss_5     = {
-					0, 0, 0, 0, 0, 0, 0 },
-				.tx_trace_loss_5     = {
-					0, 0, 0, 0, 0, 0, 0 },
-				.rx_rssi_and_proc_compens_5 = {
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00 },
-				.tx_ref_pd_voltage   = 0x24e,
-				.tx_ref_power        = 0x78,
-				.tx_offset_db        = 0x0,
-				.tx_rate_limits_normal = {
-					0x1e, 0x1f, 0x22, 0x24, 0x28, 0x29 },
-				.tx_rate_limits_degraded = {
-					0x1b, 0x1c, 0x1e, 0x20, 0x24, 0x25 },
-				.tx_channel_limits_11b = {
-					0x22, 0x50, 0x50, 0x50, 0x50, 0x50,
-					0x50, 0x50, 0x50, 0x50, 0x22, 0x50,
-					0x22, 0x50 },
-				.tx_channel_limits_ofdm = {
-					0x20, 0x50, 0x50, 0x50, 0x50, 0x50,
-					0x50, 0x50, 0x50, 0x50, 0x20, 0x50,
-					0x20, 0x50 },
-				.tx_pdv_rate_offsets = {
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
-				.tx_ibias            = {
-					0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x27 },
-				.rx_fem_insertion_loss = 0x14,
-				.tx_ref_pd_voltage_5 = {
-					0, 0, 0, 0, 0, 0, 0 },
-				.tx_ref_power_5      = {
-					0, 0, 0, 0, 0, 0, 0 },
-				.tx_offset_db_5      = {
-					0, 0, 0, 0, 0, 0, 0 },
-				.tx_rate_limits_normal_5 = {
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
-				.tx_rate_limits_degraded_5 = {
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
-				.tx_channel_limits_ofdm_5 = {
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00},
-				.tx_pdv_rate_offsets_5 = {
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
-				.tx_ibias_5          = {
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
-				.rx_fem_insertion_loss_5 = {
-					0, 0, 0, 0, 0, 0, 0 }
+			[2] = {
+				.len         = 7,
+				.upper_limit = 0x03,
+				.values      = {
+					0x18, 0x10, 0x05, 0xfb, 0xf0, 0xe8,
+					0x00 }
 			}
+		},
+		.sr_enable                   = 1,
+		.genparam                    = {
+			/*
+			 * FIXME: The correct value CONF_REF_CLK_38_4_E
+			 *        causes the firmware to crash on boot.
+			 *        The value 5 apparently is an
+			 *        unnoficial XTAL configuration of the
+			 *        same frequency, which appears to work.
+			 */
+			.ref_clk             = 5,
+			.settling_time       = 5,
+			.clk_valid_on_wakeup = 0,
+			.dc2dcmode           = 0,
+			.single_dual_band    = 0,
+			.tx_bip_fem_autodetect = 0,
+			.tx_bip_fem_manufacturer = 1,
+			.settings = 1,
+		},
+		.radioparam = {
+			/* FIXME: 5GHz values unset! */
+			.rx_trace_loss       = 10,
+			.tx_trace_loss       = 10,
+			.rx_rssi_and_proc_compens = {
+				0xec, 0xf6, 0x00, 0x0c, 0x18, 0xf8,
+				0xfc, 0x00, 0x08, 0x10, 0xf0, 0xf8,
+				0x00, 0x0a, 0x14 },
+			.rx_trace_loss_5     = { 0, 0, 0, 0, 0, 0, 0 },
+			.tx_trace_loss_5     = { 0, 0, 0, 0, 0, 0, 0 },
+			.rx_rssi_and_proc_compens_5 = {
+				0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+				0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+				0x00, 0x00, 0x00 },
+			.tx_ref_pd_voltage   = 0x24e,
+			.tx_ref_power        = 0x78,
+			.tx_offset_db        = 0x0,
+			.tx_rate_limits_normal = {
+				0x1e, 0x1f, 0x22, 0x24, 0x28, 0x29 },
+			.tx_rate_limits_degraded = {
+				0x1b, 0x1c, 0x1e, 0x20, 0x24, 0x25 },
+			.tx_channel_limits_11b = {
+				0x22, 0x50, 0x50, 0x50, 0x50, 0x50,
+				0x50, 0x50, 0x50, 0x50, 0x22, 0x50,
+				0x22, 0x50 },
+			.tx_channel_limits_ofdm = {
+				0x20, 0x50, 0x50, 0x50, 0x50, 0x50,
+				0x50, 0x50, 0x50, 0x50, 0x20, 0x50,
+				0x20, 0x50 },
+			.tx_pdv_rate_offsets = {
+				0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
+			.tx_ibias            = {
+				0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x27 },
+			.rx_fem_insertion_loss = 0x14,
+			.tx_ref_pd_voltage_5 = { 0, 0, 0, 0, 0, 0, 0 },
+			.tx_ref_power_5      = { 0, 0, 0, 0, 0, 0, 0 },
+			.tx_offset_db_5      = {0, 0, 0, 0, 0, 0, 0 },
+			.tx_rate_limits_normal_5 = {
+				0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
+			.tx_rate_limits_degraded_5 = {
+				0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
+			.tx_channel_limits_ofdm_5 = {
+				0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+				0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+				0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+				0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+				0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+				0x00, 0x00, 0x00, 0x00, 0x00},
+			.tx_pdv_rate_offsets_5 = {
+				0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
+			.tx_ibias_5          = {
+				0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
+			.rx_fem_insertion_loss_5 = { 0, 0, 0, 0, 0, 0, 0 }
 		}
-	};
+	}
+};
+
+static void wl1271_conf_init(struct wl1271 *wl)
+{
 
 	/*
 	 * This function applies the default configuration to the driver. This
@@ -341,7 +334,7 @@ static void wl1271_conf_init(struct wl1271 *wl)
 	 */
 
 	/* apply driver default configuration */
-	memcpy(&wl->conf, &conf, sizeof(conf));
+	memcpy(&wl->conf, &default_conf, sizeof(default_conf));
 }
 
 
-- 
GitLab


From eb5b28d021a1b96050f7af46e9140eb0051cc6d8 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Tue, 13 Oct 2009 12:47:45 +0300
Subject: [PATCH 0506/1815] wl1271: Fix IRQ enable handling on FW init failure

Disable IRQ's after FW initialization failure - originally this was not
done in all cases, and it resulted in a kernel warning if firmware
initialization was tried again without reboot.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_boot.c |  6 ++--
 drivers/net/wireless/wl12xx/wl1271_init.c |  4 +--
 drivers/net/wireless/wl12xx/wl1271_main.c | 42 ++++++++++++++++-------
 3 files changed, 35 insertions(+), 17 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.c b/drivers/net/wireless/wl12xx/wl1271_boot.c
index a27601dc9c0..b8a37a84842 100644
--- a/drivers/net/wireless/wl12xx/wl1271_boot.c
+++ b/drivers/net/wireless/wl12xx/wl1271_boot.c
@@ -400,9 +400,6 @@ static int wl1271_boot_run_firmware(struct wl1271 *wl)
 	 * ready to receive event from the command mailbox
 	 */
 
-	/* enable gpio interrupts */
-	wl1271_boot_enable_interrupts(wl);
-
 	/* unmask required mbox events  */
 	wl->event_mask = BSS_LOSE_EVENT_ID |
 		SCAN_COMPLETE_EVENT_ID;
@@ -540,6 +537,9 @@ int wl1271_boot(struct wl1271 *wl)
 	if (ret < 0)
 		goto out;
 
+	/* Enable firmware interrupts now */
+	wl1271_boot_enable_interrupts(wl);
+
 	/* set the wl1271 default filters */
 	wl->rx_config = WL1271_DEFAULT_RX_CONFIG;
 	wl->rx_filter = WL1271_DEFAULT_RX_FILTER;
diff --git a/drivers/net/wireless/wl12xx/wl1271_init.c b/drivers/net/wireless/wl12xx/wl1271_init.c
index 5c2cf1e00ac..6f21eeae524 100644
--- a/drivers/net/wireless/wl12xx/wl1271_init.c
+++ b/drivers/net/wireless/wl12xx/wl1271_init.c
@@ -315,8 +315,8 @@ int wl1271_hw_init(struct wl1271 *wl)
 
 	/* RX config */
 	ret = wl1271_init_rx_config(wl,
-				       RX_CFG_PROMISCUOUS | RX_CFG_TSF,
-				       RX_FILTER_OPTION_DEF);
+				    RX_CFG_PROMISCUOUS | RX_CFG_TSF,
+				    RX_FILTER_OPTION_DEF);
 	/* RX_CONFIG_OPTION_ANY_DST_ANY_BSS,
 	   RX_FILTER_OPTION_FILTER_ALL); */
 	if (ret < 0)
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index eba38dff871..7f1093cd816 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -625,7 +625,7 @@ static int wl1271_chip_wakeup(struct wl1271 *wl)
 
 		ret = wl1271_setup(wl);
 		if (ret < 0)
-			goto out;
+			goto out_power_off;
 		break;
 	case CHIP_ID_1271_PG20:
 		wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)",
@@ -633,27 +633,32 @@ static int wl1271_chip_wakeup(struct wl1271 *wl)
 
 		ret = wl1271_setup(wl);
 		if (ret < 0)
-			goto out;
+			goto out_power_off;
 		break;
 	default:
 		wl1271_error("unsupported chip id: 0x%x", wl->chip.id);
 		ret = -ENODEV;
-		goto out;
+		goto out_power_off;
 	}
 
 	if (wl->fw == NULL) {
 		ret = wl1271_fetch_firmware(wl);
 		if (ret < 0)
-			goto out;
+			goto out_power_off;
 	}
 
 	/* No NVS from netlink, try to get it from the filesystem */
 	if (wl->nvs == NULL) {
 		ret = wl1271_fetch_nvs(wl);
 		if (ret < 0)
-			goto out;
+			goto out_power_off;
 	}
 
+	goto out;
+
+out_power_off:
+	wl1271_power_off(wl);
+
 out:
 	return ret;
 }
@@ -749,13 +754,21 @@ int wl1271_plt_start(struct wl1271 *wl)
 
 	ret = wl1271_boot(wl);
 	if (ret < 0)
-		goto out;
+		goto out_power_off;
 
 	wl1271_notice("firmware booted in PLT mode (%s)", wl->chip.fw_ver);
 
 	ret = wl1271_plt_init(wl);
 	if (ret < 0)
-		goto out;
+		goto out_irq_disable;
+
+	goto out;
+
+out_irq_disable:
+	wl1271_disable_interrupts(wl);
+
+out_power_off:
+	wl1271_power_off(wl);
 
 out:
 	mutex_unlock(&wl->mutex);
@@ -843,20 +856,25 @@ static int wl1271_op_start(struct ieee80211_hw *hw)
 
 	ret = wl1271_boot(wl);
 	if (ret < 0)
-		goto out;
+		goto out_power_off;
 
 	ret = wl1271_hw_init(wl);
 	if (ret < 0)
-		goto out;
+		goto out_irq_disable;
 
 	wl->state = WL1271_STATE_ON;
 
 	wl1271_info("firmware booted (%s)", wl->chip.fw_ver);
 
-out:
-	if (ret < 0)
-		wl1271_power_off(wl);
+	goto out;
+
+out_irq_disable:
+	wl1271_disable_interrupts(wl);
 
+out_power_off:
+	wl1271_power_off(wl);
+
+out:
 	mutex_unlock(&wl->mutex);
 
 	return ret;
-- 
GitLab


From 11f70f9715f0d8f99eac42d69689e8df15283fea Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Tue, 13 Oct 2009 12:47:46 +0300
Subject: [PATCH 0507/1815] wl1271: Implement beacon early termination support

Add support to enable beacon early termination in the firmware. Early
Beacon termination is a feature which allows the radio to be turned off
after TIM IE to save power.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_acx.c  | 30 +++++++++++++++++++++++
 drivers/net/wireless/wl12xx/wl1271_acx.h  | 12 ++++++++-
 drivers/net/wireless/wl12xx/wl1271_conf.h | 23 +++++++++++++++++
 drivers/net/wireless/wl12xx/wl1271_main.c |  4 ++-
 drivers/net/wireless/wl12xx/wl1271_ps.c   | 10 ++++++++
 5 files changed, 77 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.c b/drivers/net/wireless/wl12xx/wl1271_acx.c
index 880c82894f6..44a1237fa79 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.c
@@ -1062,3 +1062,33 @@ out:
 	return ret;
 
 }
+
+int wl1271_acx_bet_enable(struct wl1271 *wl, bool enable)
+{
+	struct wl1271_acx_bet_enable *acx = NULL;
+	int ret = 0;
+
+	wl1271_debug(DEBUG_ACX, "acx bet enable");
+
+	if (enable && wl->conf.conn.bet_enable == CONF_BET_MODE_DISABLE)
+		goto out;
+
+	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
+	if (!acx) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	acx->enable = enable ? CONF_BET_MODE_ENABLE : CONF_BET_MODE_DISABLE;
+	acx->max_consecutive = wl->conf.conn.bet_max_consecutive;
+
+	ret = wl1271_cmd_configure(wl, ACX_BET_ENABLE, acx, sizeof(*acx));
+	if (ret < 0) {
+		wl1271_warning("acx bet enable failed: %d", ret);
+		goto out;
+	}
+
+out:
+	kfree(acx);
+	return ret;
+}
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.h b/drivers/net/wireless/wl12xx/wl1271_acx.h
index 73ef2bdf3b7..29fd3635e38 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.h
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.h
@@ -946,6 +946,15 @@ struct wl1271_acx_rx_config_opt {
 	u8 reserved;
 } __attribute__ ((packed));
 
+
+struct wl1271_acx_bet_enable {
+	struct acx_header header;
+
+	u8 enable;
+	u8 max_consecutive;
+	u8 padding[2];
+} __attribute__ ((packed));
+
 enum {
 	ACX_WAKE_UP_CONDITIONS      = 0x0002,
 	ACX_MEM_CFG                 = 0x0003,
@@ -1043,7 +1052,7 @@ int wl1271_acx_aid(struct wl1271 *wl, u16 aid);
 int wl1271_acx_event_mbox_mask(struct wl1271 *wl, u32 event_mask);
 int wl1271_acx_set_preamble(struct wl1271 *wl, enum acx_preamble_type preamble);
 int wl1271_acx_cts_protect(struct wl1271 *wl,
-			    enum acx_ctsprotect_type ctsprotect);
+			   enum acx_ctsprotect_type ctsprotect);
 int wl1271_acx_statistics(struct wl1271 *wl, struct acx_statistics *stats);
 int wl1271_acx_rate_policies(struct wl1271 *wl, u32 enabled_rates);
 int wl1271_acx_ac_cfg(struct wl1271 *wl);
@@ -1054,5 +1063,6 @@ int wl1271_acx_mem_cfg(struct wl1271 *wl);
 int wl1271_acx_init_mem_config(struct wl1271 *wl);
 int wl1271_acx_init_rx_interrupt(struct wl1271 *wl);
 int wl1271_acx_smart_reflex(struct wl1271 *wl);
+int wl1271_acx_bet_enable(struct wl1271 *wl, bool enable);
 
 #endif /* __WL1271_ACX_H__ */
diff --git a/drivers/net/wireless/wl12xx/wl1271_conf.h b/drivers/net/wireless/wl12xx/wl1271_conf.h
index 5333a273125..00ffa667932 100644
--- a/drivers/net/wireless/wl12xx/wl1271_conf.h
+++ b/drivers/net/wireless/wl12xx/wl1271_conf.h
@@ -603,6 +603,11 @@ enum conf_bcn_filt_mode {
 	CONF_BCN_FILT_MODE_ENABLED = 1
 };
 
+enum conf_bet_mode {
+	CONF_BET_MODE_DISABLE = 0,
+	CONF_BET_MODE_ENABLE = 1,
+};
+
 struct conf_conn_settings {
 	/*
 	 * Firmware wakeup conditions configuration. The host may set only
@@ -689,6 +694,24 @@ struct conf_conn_settings {
 	 * Configuration of signal average weights.
 	 */
 	struct conf_sig_weights sig_weights;
+
+	/*
+	 * Specifies if beacon early termination procedure is enabled or
+	 * disabled.
+	 *
+	 * Range: CONF_BET_MODE_*
+	 */
+	u8 bet_enable;
+
+	/*
+	 * Specifies the maximum number of consecutive beacons that may be
+	 * early terminated. After this number is reached at least one full
+	 * beacon must be correctly received in FW before beacon ET
+	 * resumes.
+	 *
+	 * Range 0 - 255
+	 */
+	u8 bet_max_consecutive;
 };
 
 #define CONF_SR_ERR_TBL_MAX_VALUES   14
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 7f1093cd816..3d2e999ef15 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -219,7 +219,9 @@ static struct conf_drv_settings default_conf = {
 			.rssi_pkt_avg_weight = 10,
 			.snr_bcn_avg_weight  = 10,
 			.snr_pkt_avg_weight  = 10
-		}
+		},
+		.bet_enable                  = CONF_BET_MODE_ENABLE,
+		.bet_max_consecutive         = 100
 	},
 	.init = {
 		.sr_err_tbl = {
diff --git a/drivers/net/wireless/wl12xx/wl1271_ps.c b/drivers/net/wireless/wl12xx/wl1271_ps.c
index bb8745d9bd6..507cd91d7ee 100644
--- a/drivers/net/wireless/wl12xx/wl1271_ps.c
+++ b/drivers/net/wireless/wl12xx/wl1271_ps.c
@@ -130,6 +130,11 @@ int wl1271_ps_set_mode(struct wl1271 *wl, enum wl1271_cmd_ps_mode mode)
 		if (ret < 0)
 			return ret;
 
+		/* enable beacon early termination */
+		ret = wl1271_acx_bet_enable(wl, true);
+		if (ret < 0)
+			return ret;
+
 		ret = wl1271_cmd_ps_mode(wl, STATION_POWER_SAVE_MODE);
 		if (ret < 0)
 			return ret;
@@ -147,6 +152,11 @@ int wl1271_ps_set_mode(struct wl1271 *wl, enum wl1271_cmd_ps_mode mode)
 		if (ret < 0)
 			return ret;
 
+		/* disable beacon early termination */
+		ret = wl1271_acx_bet_enable(wl, false);
+		if (ret < 0)
+			return ret;
+
 		/* disable beacon filtering */
 		ret = wl1271_acx_beacon_filter_opt(wl, false);
 		if (ret < 0)
-- 
GitLab


From c6d5d06e455b9965e300ae40c34fa2337e1aad0f Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Tue, 13 Oct 2009 12:47:47 +0300
Subject: [PATCH 0508/1815] wl1271: Remove busy-word checking

Remove busy-word checking to work around an SPI bug. To reduce the
chance of chipset-busy scenarios, increment the number of fixed busy
words.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271.h     | 6 ++++--
 drivers/net/wireless/wl12xx/wl1271_spi.c | 6 +++---
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h
index 648223f67b5..e0ebb1fb2ad 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl1271.h
@@ -115,9 +115,11 @@ enum {
 /*
  * FIXME: for the wl1271, a busy word count of 1 here will result in a more
  * optimal SPI interface. There is some SPI bug however, causing RXS time outs
- * with this mode occasionally on boot, so lets have two for now.
+ * with this mode occasionally on boot, so lets have three for now. A value of
+ * three should make sure, that the chipset will always be ready, though this
+ * will impact throughput and latencies slightly.
  */
-#define WL1271_BUSY_WORD_CNT 2
+#define WL1271_BUSY_WORD_CNT 3
 #define WL1271_BUSY_WORD_LEN (WL1271_BUSY_WORD_CNT * sizeof(u32))
 
 #define WL1271_ELP_HW_STATE_ASLEEP 0
diff --git a/drivers/net/wireless/wl12xx/wl1271_spi.c b/drivers/net/wireless/wl12xx/wl1271_spi.c
index 4800fdfd237..3c5aa584574 100644
--- a/drivers/net/wireless/wl12xx/wl1271_spi.c
+++ b/drivers/net/wireless/wl12xx/wl1271_spi.c
@@ -294,9 +294,9 @@ void wl1271_spi_raw_read(struct wl1271 *wl, int addr, void *buf,
 
 	spi_sync(wl->spi, &m);
 
-	/* Check busy words */
-	if (!(busy_buf[WL1271_BUSY_WORD_CNT - 1] & 0x1))
-		wl1271_spi_read_busy(wl, buf, len);
+	/* FIXME: Check busy words, removed due to SPI bug */
+	/* if (!(busy_buf[WL1271_BUSY_WORD_CNT - 1] & 0x1))
+	   wl1271_spi_read_busy(wl, buf, len); */
 
 	wl1271_dump(DEBUG_SPI, "spi_read cmd -> ", cmd, sizeof(*cmd));
 	wl1271_dump(DEBUG_SPI, "spi_read buf <- ", buf, len);
-- 
GitLab


From 1ebec3d750f2b5740e3c334dac06104d2f74a9b1 Mon Sep 17 00:00:00 2001
From: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Date: Tue, 13 Oct 2009 12:47:48 +0300
Subject: [PATCH 0509/1815] wl1271: Added 5 GHz parameters for wl1273

Added data rate and frequency tables for 5 GHz band channels, 5
GHz radio configration parameters and configuration option to enable
802.11 support.

Signed-off-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271.h      |  14 +++
 drivers/net/wireless/wl12xx/wl1271_conf.h |   7 +-
 drivers/net/wireless/wl12xx/wl1271_main.c | 123 +++++++++++++++++++---
 3 files changed, 127 insertions(+), 17 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h
index e0ebb1fb2ad..dc9957ee1ac 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl1271.h
@@ -112,6 +112,11 @@ enum {
 #define WL1271_FW_NAME "wl1271-fw.bin"
 #define WL1271_NVS_NAME "wl1271-nvs.bin"
 
+/*
+ * Enable/disable 802.11a support for WL1273
+ */
+#undef WL1271_80211A_ENABLED
+
 /*
  * FIXME: for the wl1271, a busy word count of 1 here will result in a more
  * optimal SPI interface. There is some SPI bug however, causing RXS time outs
@@ -442,4 +447,13 @@ int wl1271_plt_stop(struct wl1271 *wl);
 /* WL1271 needs a 200ms sleep after power on */
 #define WL1271_POWER_ON_SLEEP 200 /* in miliseconds */
 
+static inline bool wl1271_11a_enabled(void)
+{
+#ifdef WL1271_80211A_ENABLED
+	return true;
+#else
+	return false;
+#endif
+}
+
 #endif
diff --git a/drivers/net/wireless/wl12xx/wl1271_conf.h b/drivers/net/wireless/wl12xx/wl1271_conf.h
index 00ffa667932..061d47520a3 100644
--- a/drivers/net/wireless/wl12xx/wl1271_conf.h
+++ b/drivers/net/wireless/wl12xx/wl1271_conf.h
@@ -746,6 +746,11 @@ enum {
 	CONF_REF_CLK_52_E
 };
 
+enum single_dual_band_enum {
+	CONF_SINGLE_BAND,
+	CONF_DUAL_BAND
+};
+
 struct conf_general_parms {
 	/*
 	 * RF Reference Clock type / speed
@@ -778,7 +783,7 @@ struct conf_general_parms {
 	/*
 	 * Flag defining whether used as single or dual-band.
 	 *
-	 * Range: Unknown
+	 * Range: CONF_SINGLE_BAND, CONF_DUAL_BAND
 	 */
 	u8 single_dual_band;
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 3d2e999ef15..9b1cc8db1dd 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -260,13 +260,12 @@ static struct conf_drv_settings default_conf = {
 			.settling_time       = 5,
 			.clk_valid_on_wakeup = 0,
 			.dc2dcmode           = 0,
-			.single_dual_band    = 0,
+			.single_dual_band    = CONF_SINGLE_BAND,
 			.tx_bip_fem_autodetect = 0,
 			.tx_bip_fem_manufacturer = 1,
 			.settings = 1,
 		},
 		.radioparam = {
-			/* FIXME: 5GHz values unset! */
 			.rx_trace_loss       = 10,
 			.tx_trace_loss       = 10,
 			.rx_rssi_and_proc_compens = {
@@ -299,25 +298,29 @@ static struct conf_drv_settings default_conf = {
 			.tx_ibias            = {
 				0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x27 },
 			.rx_fem_insertion_loss = 0x14,
-			.tx_ref_pd_voltage_5 = { 0, 0, 0, 0, 0, 0, 0 },
-			.tx_ref_power_5      = { 0, 0, 0, 0, 0, 0, 0 },
-			.tx_offset_db_5      = {0, 0, 0, 0, 0, 0, 0 },
-			.tx_rate_limits_normal_5 = {
+			.tx_ref_pd_voltage_5 = {
+				0x0190, 0x01a4, 0x01c3, 0x01d8,
+				0x020a, 0x021c },
+			.tx_ref_power_5      = {
+				0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80 },
+			.tx_offset_db_5      = {
 				0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
+			.tx_rate_limits_normal_5 = {
+				0x1b, 0x1e, 0x21, 0x23, 0x27, 0x00 },
 			.tx_rate_limits_degraded_5 = {
-				0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
+				0x1b, 0x1e, 0x21, 0x23, 0x27, 0x00 },
 			.tx_channel_limits_ofdm_5 = {
-				0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-				0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-				0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-				0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-				0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-				0x00, 0x00, 0x00, 0x00, 0x00},
+				0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x50,
+				0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x50,
+				0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x50,
+				0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x50,
+				0x50, 0x50, 0x50 },
 			.tx_pdv_rate_offsets_5 = {
-				0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
+				0x01, 0x02, 0x02, 0x02, 0x02, 0x00 },
 			.tx_ibias_5          = {
-				0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
-			.rx_fem_insertion_loss_5 = { 0, 0, 0, 0, 0, 0, 0 }
+				0x10, 0x10, 0x10, 0x10, 0x10, 0x10 },
+			.rx_fem_insertion_loss_5 = {
+				0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10 }
 		}
 	}
 };
@@ -337,6 +340,9 @@ static void wl1271_conf_init(struct wl1271 *wl)
 
 	/* apply driver default configuration */
 	memcpy(&wl->conf, &default_conf, sizeof(default_conf));
+
+	if (wl1271_11a_enabled())
+		wl->conf.init.genparam.single_dual_band = CONF_DUAL_BAND;
 }
 
 
@@ -1556,6 +1562,88 @@ static struct ieee80211_supported_band wl1271_band_2ghz = {
 	.n_bitrates = ARRAY_SIZE(wl1271_rates),
 };
 
+/* 5 GHz data rates for WL1273 */
+static struct ieee80211_rate wl1271_rates_5ghz[] = {
+	{ .bitrate = 60,
+	  .hw_value = CONF_HW_BIT_RATE_6MBPS,
+	  .hw_value_short = CONF_HW_BIT_RATE_6MBPS, },
+	{ .bitrate = 90,
+	  .hw_value = CONF_HW_BIT_RATE_9MBPS,
+	  .hw_value_short = CONF_HW_BIT_RATE_9MBPS, },
+	{ .bitrate = 120,
+	  .hw_value = CONF_HW_BIT_RATE_12MBPS,
+	  .hw_value_short = CONF_HW_BIT_RATE_12MBPS, },
+	{ .bitrate = 180,
+	  .hw_value = CONF_HW_BIT_RATE_18MBPS,
+	  .hw_value_short = CONF_HW_BIT_RATE_18MBPS, },
+	{ .bitrate = 240,
+	  .hw_value = CONF_HW_BIT_RATE_24MBPS,
+	  .hw_value_short = CONF_HW_BIT_RATE_24MBPS, },
+	{ .bitrate = 360,
+	 .hw_value = CONF_HW_BIT_RATE_36MBPS,
+	 .hw_value_short = CONF_HW_BIT_RATE_36MBPS, },
+	{ .bitrate = 480,
+	  .hw_value = CONF_HW_BIT_RATE_48MBPS,
+	  .hw_value_short = CONF_HW_BIT_RATE_48MBPS, },
+	{ .bitrate = 540,
+	  .hw_value = CONF_HW_BIT_RATE_54MBPS,
+	  .hw_value_short = CONF_HW_BIT_RATE_54MBPS, },
+};
+
+/* 5 GHz band channels for WL1273 */
+static struct ieee80211_channel wl1271_channels_5ghz[] = {
+	{ .hw_value = 183, .center_freq = 4915},
+	{ .hw_value = 184, .center_freq = 4920},
+	{ .hw_value = 185, .center_freq = 4925},
+	{ .hw_value = 187, .center_freq = 4935},
+	{ .hw_value = 188, .center_freq = 4940},
+	{ .hw_value = 189, .center_freq = 4945},
+	{ .hw_value = 192, .center_freq = 4960},
+	{ .hw_value = 196, .center_freq = 4980},
+	{ .hw_value = 7, .center_freq = 5035},
+	{ .hw_value = 8, .center_freq = 5040},
+	{ .hw_value = 9, .center_freq = 5045},
+	{ .hw_value = 11, .center_freq = 5055},
+	{ .hw_value = 12, .center_freq = 5060},
+	{ .hw_value = 16, .center_freq = 5080},
+	{ .hw_value = 34, .center_freq = 5170},
+	{ .hw_value = 36, .center_freq = 5180},
+	{ .hw_value = 38, .center_freq = 5190},
+	{ .hw_value = 40, .center_freq = 5200},
+	{ .hw_value = 42, .center_freq = 5210},
+	{ .hw_value = 44, .center_freq = 5220},
+	{ .hw_value = 46, .center_freq = 5230},
+	{ .hw_value = 48, .center_freq = 5240},
+	{ .hw_value = 52, .center_freq = 5260},
+	{ .hw_value = 56, .center_freq = 5280},
+	{ .hw_value = 60, .center_freq = 5300},
+	{ .hw_value = 64, .center_freq = 5320},
+	{ .hw_value = 100, .center_freq = 5500},
+	{ .hw_value = 104, .center_freq = 5520},
+	{ .hw_value = 108, .center_freq = 5540},
+	{ .hw_value = 112, .center_freq = 5560},
+	{ .hw_value = 116, .center_freq = 5580},
+	{ .hw_value = 120, .center_freq = 5600},
+	{ .hw_value = 124, .center_freq = 5620},
+	{ .hw_value = 128, .center_freq = 5640},
+	{ .hw_value = 132, .center_freq = 5660},
+	{ .hw_value = 136, .center_freq = 5680},
+	{ .hw_value = 140, .center_freq = 5700},
+	{ .hw_value = 149, .center_freq = 5745},
+	{ .hw_value = 153, .center_freq = 5765},
+	{ .hw_value = 157, .center_freq = 5785},
+	{ .hw_value = 161, .center_freq = 5805},
+	{ .hw_value = 165, .center_freq = 5825},
+};
+
+
+static struct ieee80211_supported_band wl1271_band_5ghz = {
+	.channels = wl1271_channels_5ghz,
+	.n_channels = ARRAY_SIZE(wl1271_channels_5ghz),
+	.bitrates = wl1271_rates_5ghz,
+	.n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz),
+};
+
 static const struct ieee80211_ops wl1271_ops = {
 	.start = wl1271_op_start,
 	.stop = wl1271_op_stop,
@@ -1612,6 +1700,9 @@ static int wl1271_init_ieee80211(struct wl1271 *wl)
 	wl->hw->wiphy->max_scan_ssids = 1;
 	wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl1271_band_2ghz;
 
+	if (wl1271_11a_enabled())
+		wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &wl1271_band_5ghz;
+
 	SET_IEEE80211_DEV(wl->hw, &wl->spi->dev);
 
 	return 0;
-- 
GitLab


From 311494c47fb670a1fd74eea54fa4d02a56fcc2ad Mon Sep 17 00:00:00 2001
From: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Date: Tue, 13 Oct 2009 12:47:49 +0300
Subject: [PATCH 0510/1815] wl1271: Scan only enabled channels

Added checking of whether channel is enabled or disabled by mac80211
stack to scan. Disabled channels are not scanned.

Signed-off-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_cmd.c | 33 +++++++++++++++---------
 1 file changed, 21 insertions(+), 12 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c
index f38e3e0e2d6..204e87218d8 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.c
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c
@@ -515,12 +515,16 @@ int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len,
 
 	struct wl1271_cmd_trigger_scan_to *trigger = NULL;
 	struct wl1271_cmd_scan *params = NULL;
-	int i, ret;
+	struct ieee80211_channel *channels;
+	int i, j, n_ch, ret;
 	u16 scan_options = 0;
 
 	if (wl->scanning)
 		return -EINVAL;
 
+	channels = wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ]->channels;
+	n_ch = wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ]->n_channels;
+
 	params = kzalloc(sizeof(*params), GFP_KERNEL);
 	if (!params)
 		return -ENOMEM;
@@ -535,24 +539,29 @@ int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len,
 		scan_options |= WL1271_SCAN_OPT_PRIORITY_HIGH;
 	params->params.scan_options = scan_options;
 
-	params->params.num_channels = num_channels;
 	params->params.num_probe_requests = probe_requests;
 	params->params.tx_rate = cpu_to_le32(CONF_HW_BIT_RATE_2MBPS);
 	params->params.tid_trigger = 0;
 	params->params.scan_tag = WL1271_SCAN_DEFAULT_TAG;
 
-	for (i = 0; i < num_channels; i++) {
-		params->channels[i].min_duration =
-			cpu_to_le32(WL1271_SCAN_CHAN_MIN_DURATION);
-		params->channels[i].max_duration =
-			cpu_to_le32(WL1271_SCAN_CHAN_MAX_DURATION);
-		memset(&params->channels[i].bssid_lsb, 0xff, 4);
-		memset(&params->channels[i].bssid_msb, 0xff, 2);
-		params->channels[i].early_termination = 0;
-		params->channels[i].tx_power_att = WL1271_SCAN_CURRENT_TX_PWR;
-		params->channels[i].channel = i + 1;
+	for (i = 0, j = 0; i < n_ch && i < WL1271_SCAN_MAX_CHANNELS; i++) {
+		if (!(channels[i].flags & IEEE80211_CHAN_DISABLED)) {
+			params->channels[j].min_duration =
+				cpu_to_le32(WL1271_SCAN_CHAN_MIN_DURATION);
+			params->channels[j].max_duration =
+				cpu_to_le32(WL1271_SCAN_CHAN_MAX_DURATION);
+			memset(&params->channels[j].bssid_lsb, 0xff, 4);
+			memset(&params->channels[j].bssid_msb, 0xff, 2);
+			params->channels[j].early_termination = 0;
+			params->channels[j].tx_power_att =
+				WL1271_SCAN_CURRENT_TX_PWR;
+			params->channels[j].channel = channels[i].hw_value;
+			j++;
+		}
 	}
 
+	params->params.num_channels = j;
+
 	if (len && ssid) {
 		params->params.ssid_len = len;
 		memcpy(params->params.ssid, ssid, len);
-- 
GitLab


From abb0b3bfb2d2411034b721df21c31964265b851e Mon Sep 17 00:00:00 2001
From: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Date: Tue, 13 Oct 2009 12:47:50 +0300
Subject: [PATCH 0511/1815] wl1271: Added support to scan on 5 GHz band

Added support to scan 802.11a access points on 5 GHz band when using
wl1273 chip.

Signed-off-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271.h       |  10 ++
 drivers/net/wireless/wl12xx/wl1271_cmd.c   | 121 ++++++++++++++++-----
 drivers/net/wireless/wl12xx/wl1271_cmd.h   |   8 +-
 drivers/net/wireless/wl12xx/wl1271_event.c |  37 +++++--
 drivers/net/wireless/wl12xx/wl1271_init.c  |   8 ++
 drivers/net/wireless/wl12xx/wl1271_main.c  |  11 +-
 drivers/net/wireless/wl12xx/wl1271_rx.c    |   3 +
 7 files changed, 160 insertions(+), 38 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h
index dc9957ee1ac..79a73244315 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl1271.h
@@ -299,6 +299,15 @@ struct wl1271_rx_mem_pool_addr {
 	u32 addr_extra;
 };
 
+struct wl1271_scan {
+	u8 state;
+	u8 ssid[IW_ESSID_MAX_SIZE+1];
+	size_t ssid_len;
+	u8 active;
+	u8 high_prio;
+	u8 probe_requests;
+};
+
 struct wl1271 {
 	struct ieee80211_hw *hw;
 	bool mac80211_registered;
@@ -382,6 +391,7 @@ struct wl1271 {
 
 	/* Are we currently scanning */
 	bool scanning;
+	struct wl1271_scan scan;
 
 	/* Our association ID */
 	u16 aid;
diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c
index 204e87218d8..6d7a40c004f 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.c
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c
@@ -509,7 +509,7 @@ out:
 }
 
 int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len,
-		    u8 active_scan, u8 high_prio, u8 num_channels,
+		    u8 active_scan, u8 high_prio, u8 band,
 		    u8 probe_requests)
 {
 
@@ -518,12 +518,25 @@ int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len,
 	struct ieee80211_channel *channels;
 	int i, j, n_ch, ret;
 	u16 scan_options = 0;
+	u8 ieee_band;
+
+	if (band == WL1271_SCAN_BAND_2_4_GHZ)
+		ieee_band = IEEE80211_BAND_2GHZ;
+	else if (band == WL1271_SCAN_BAND_DUAL && wl1271_11a_enabled())
+		ieee_band = IEEE80211_BAND_2GHZ;
+	else if (band == WL1271_SCAN_BAND_5_GHZ && wl1271_11a_enabled())
+		ieee_band = IEEE80211_BAND_5GHZ;
+	else
+		return -EINVAL;
 
-	if (wl->scanning)
+	if (wl->hw->wiphy->bands[ieee_band]->channels == NULL)
 		return -EINVAL;
 
-	channels = wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ]->channels;
-	n_ch = wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ]->n_channels;
+	channels = wl->hw->wiphy->bands[ieee_band]->channels;
+	n_ch = wl->hw->wiphy->bands[ieee_band]->n_channels;
+
+	if (wl->scanning)
+		return -EINVAL;
 
 	params = kzalloc(sizeof(*params), GFP_KERNEL);
 	if (!params)
@@ -540,10 +553,16 @@ int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len,
 	params->params.scan_options = scan_options;
 
 	params->params.num_probe_requests = probe_requests;
-	params->params.tx_rate = cpu_to_le32(CONF_HW_BIT_RATE_2MBPS);
+	/* Let the fw autodetect suitable tx_rate for probes */
+	params->params.tx_rate = 0;
 	params->params.tid_trigger = 0;
 	params->params.scan_tag = WL1271_SCAN_DEFAULT_TAG;
 
+	if (band == WL1271_SCAN_BAND_DUAL)
+		params->params.band = WL1271_SCAN_BAND_2_4_GHZ;
+	else
+		params->params.band = band;
+
 	for (i = 0, j = 0; i < n_ch && i < WL1271_SCAN_MAX_CHANNELS; i++) {
 		if (!(channels[i].flags & IEEE80211_CHAN_DISABLED)) {
 			params->channels[j].min_duration =
@@ -567,7 +586,7 @@ int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len,
 		memcpy(params->params.ssid, ssid, len);
 	}
 
-	ret = wl1271_cmd_build_probe_req(wl, ssid, len);
+	ret = wl1271_cmd_build_probe_req(wl, ssid, len, ieee_band);
 	if (ret < 0) {
 		wl1271_error("PROBE request template failed");
 		goto out;
@@ -592,6 +611,19 @@ int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len,
 	wl1271_dump(DEBUG_SCAN, "SCAN: ", params, sizeof(*params));
 
 	wl->scanning = true;
+	if (wl1271_11a_enabled()) {
+		wl->scan.state = band;
+		if (band == WL1271_SCAN_BAND_DUAL) {
+			wl->scan.active = active_scan;
+			wl->scan.high_prio = high_prio;
+			wl->scan.probe_requests = probe_requests;
+			if (len && ssid) {
+				wl->scan.ssid_len = len;
+				memcpy(wl->scan.ssid, ssid, len);
+			} else
+				wl->scan.ssid_len = 0;
+		}
+	}
 
 	ret = wl1271_cmd_send(wl, CMD_SCAN, params, sizeof(*params));
 	if (ret < 0) {
@@ -654,30 +686,62 @@ out:
 	return ret;
 }
 
-static int wl1271_build_basic_rates(char *rates)
+static int wl1271_build_basic_rates(char *rates, u8 band)
 {
 	u8 index = 0;
 
-	rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_1MB;
-	rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_2MB;
-	rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_5MB;
-	rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_11MB;
+	if (band == IEEE80211_BAND_2GHZ) {
+		rates[index++] =
+			IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_1MB;
+		rates[index++] =
+			IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_2MB;
+		rates[index++] =
+			IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_5MB;
+		rates[index++] =
+			IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_11MB;
+	} else if (band == IEEE80211_BAND_5GHZ) {
+		rates[index++] =
+			IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_6MB;
+		rates[index++] =
+			IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_12MB;
+		rates[index++] =
+			IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_24MB;
+	} else {
+		wl1271_error("build_basic_rates invalid band: %d", band);
+	}
 
 	return index;
 }
 
-static int wl1271_build_extended_rates(char *rates)
+static int wl1271_build_extended_rates(char *rates, u8 band)
 {
 	u8 index = 0;
 
-	rates[index++] = IEEE80211_OFDM_RATE_6MB;
-	rates[index++] = IEEE80211_OFDM_RATE_9MB;
-	rates[index++] = IEEE80211_OFDM_RATE_12MB;
-	rates[index++] = IEEE80211_OFDM_RATE_18MB;
-	rates[index++] = IEEE80211_OFDM_RATE_24MB;
-	rates[index++] = IEEE80211_OFDM_RATE_36MB;
-	rates[index++] = IEEE80211_OFDM_RATE_48MB;
-	rates[index++] = IEEE80211_OFDM_RATE_54MB;
+	if (band == IEEE80211_BAND_2GHZ) {
+		rates[index++] = IEEE80211_OFDM_RATE_6MB;
+		rates[index++] = IEEE80211_OFDM_RATE_9MB;
+		rates[index++] = IEEE80211_OFDM_RATE_12MB;
+		rates[index++] = IEEE80211_OFDM_RATE_18MB;
+		rates[index++] = IEEE80211_OFDM_RATE_24MB;
+		rates[index++] = IEEE80211_OFDM_RATE_36MB;
+		rates[index++] = IEEE80211_OFDM_RATE_48MB;
+		rates[index++] = IEEE80211_OFDM_RATE_54MB;
+	} else if (band == IEEE80211_BAND_5GHZ) {
+		rates[index++] =
+			IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_9MB;
+		rates[index++] =
+			IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_18MB;
+		rates[index++] =
+			IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_24MB;
+		rates[index++] =
+			IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_36MB;
+		rates[index++] =
+			IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_48MB;
+		rates[index++] =
+			IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_54MB;
+	} else {
+		wl1271_error("build_basic_rates invalid band: %d", band);
+	}
 
 	return index;
 }
@@ -720,12 +784,14 @@ int wl1271_cmd_build_ps_poll(struct wl1271 *wl, u16 aid)
 
 }
 
-int wl1271_cmd_build_probe_req(struct wl1271 *wl, u8 *ssid, size_t ssid_len)
+int wl1271_cmd_build_probe_req(struct wl1271 *wl, u8 *ssid, size_t ssid_len,
+			       u8 band)
 {
 	struct wl12xx_probe_req_template template;
 	struct wl12xx_ie_rates *rates;
 	char *ptr;
 	u16 size;
+	int ret;
 
 	ptr = (char *)&template;
 	size = sizeof(struct ieee80211_header);
@@ -747,20 +813,25 @@ int wl1271_cmd_build_probe_req(struct wl1271 *wl, u8 *ssid, size_t ssid_len)
 	/* Basic Rates */
 	rates = (struct wl12xx_ie_rates *)ptr;
 	rates->header.id = WLAN_EID_SUPP_RATES;
-	rates->header.len = wl1271_build_basic_rates(rates->rates);
+	rates->header.len = wl1271_build_basic_rates(rates->rates, band);
 	size += sizeof(struct wl12xx_ie_header) + rates->header.len;
 	ptr += sizeof(struct wl12xx_ie_header) + rates->header.len;
 
 	/* Extended rates */
 	rates = (struct wl12xx_ie_rates *)ptr;
 	rates->header.id = WLAN_EID_EXT_SUPP_RATES;
-	rates->header.len = wl1271_build_extended_rates(rates->rates);
+	rates->header.len = wl1271_build_extended_rates(rates->rates, band);
 	size += sizeof(struct wl12xx_ie_header) + rates->header.len;
 
 	wl1271_dump(DEBUG_SCAN, "PROBE REQ: ", &template, size);
 
-	return wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4,
-				       &template, size);
+	if (band == IEEE80211_BAND_2GHZ)
+		ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4,
+					      &template, size);
+	else
+		ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
+					      &template, size);
+	return ret;
 }
 
 int wl1271_cmd_set_default_wep_key(struct wl1271 *wl, u8 id)
diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.h b/drivers/net/wireless/wl12xx/wl1271_cmd.h
index 91430871c8f..33089408e75 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.h
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.h
@@ -39,13 +39,14 @@ int wl1271_cmd_ps_mode(struct wl1271 *wl, u8 ps_mode);
 int wl1271_cmd_read_memory(struct wl1271 *wl, u32 addr, void *answer,
 			   size_t len);
 int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len,
-		    u8 active_scan, u8 high_prio, u8 num_channels,
+		    u8 active_scan, u8 high_prio, u8 band,
 		    u8 probe_requests);
 int wl1271_cmd_template_set(struct wl1271 *wl, u16 template_id,
 			    void *buf, size_t buf_len);
 int wl1271_cmd_build_null_data(struct wl1271 *wl);
 int wl1271_cmd_build_ps_poll(struct wl1271 *wl, u16 aid);
-int wl1271_cmd_build_probe_req(struct wl1271 *wl, u8 *ssid, size_t ssid_len);
+int wl1271_cmd_build_probe_req(struct wl1271 *wl, u8 *ssid, size_t ssid_len,
+			       u8 band);
 int wl1271_cmd_set_default_wep_key(struct wl1271 *wl, u8 id);
 int wl1271_cmd_set_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type,
 		       u8 key_size, const u8 *key, const u8 *addr,
@@ -343,6 +344,9 @@ struct wl1271_cmd_set_keys {
 #define WL1271_SCAN_OPT_PRIORITY_HIGH  4
 #define WL1271_SCAN_CHAN_MIN_DURATION  30000  /* TU */
 #define WL1271_SCAN_CHAN_MAX_DURATION  60000  /* TU */
+#define WL1271_SCAN_BAND_2_4_GHZ 0
+#define WL1271_SCAN_BAND_5_GHZ 1
+#define WL1271_SCAN_BAND_DUAL 2
 
 struct basic_scan_params {
 	u32 rx_config_options;
diff --git a/drivers/net/wireless/wl12xx/wl1271_event.c b/drivers/net/wireless/wl12xx/wl1271_event.c
index 4189e97ca80..e2d7758ba1c 100644
--- a/drivers/net/wireless/wl12xx/wl1271_event.c
+++ b/drivers/net/wireless/wl12xx/wl1271_event.c
@@ -31,19 +31,40 @@
 static int wl1271_event_scan_complete(struct wl1271 *wl,
 				      struct event_mailbox *mbox)
 {
+	int size = sizeof(struct wl12xx_probe_req_template);
 	wl1271_debug(DEBUG_EVENT, "status: 0x%x",
 		     mbox->scheduled_scan_status);
 
 	if (wl->scanning) {
-		int size = sizeof(struct wl12xx_probe_req_template);
-		wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4, NULL,
-					size);
-		mutex_unlock(&wl->mutex);
-		ieee80211_scan_completed(wl->hw, false);
-		mutex_lock(&wl->mutex);
-		wl->scanning = false;
+		if (wl->scan.state == WL1271_SCAN_BAND_DUAL) {
+			wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4,
+						NULL, size);
+			/* 2.4 GHz band scanned, scan 5 GHz band, pretend
+			 * to the wl1271_cmd_scan function that we are not
+			 * scanning as it checks that.
+			 */
+			wl->scanning = false;
+			wl1271_cmd_scan(wl, wl->scan.ssid, wl->scan.ssid_len,
+						wl->scan.active,
+						wl->scan.high_prio,
+						WL1271_SCAN_BAND_5_GHZ,
+						wl->scan.probe_requests);
+		} else {
+			if (wl->scan.state == WL1271_SCAN_BAND_2_4_GHZ)
+				wl1271_cmd_template_set(wl,
+						CMD_TEMPL_CFG_PROBE_REQ_2_4,
+						NULL, size);
+			else
+				wl1271_cmd_template_set(wl,
+						CMD_TEMPL_CFG_PROBE_REQ_5,
+						NULL, size);
+
+			mutex_unlock(&wl->mutex);
+			ieee80211_scan_completed(wl->hw, false);
+			mutex_lock(&wl->mutex);
+			wl->scanning = false;
+		}
 	}
-
 	return 0;
 }
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_init.c b/drivers/net/wireless/wl12xx/wl1271_init.c
index 6f21eeae524..417b4152feb 100644
--- a/drivers/net/wireless/wl12xx/wl1271_init.c
+++ b/drivers/net/wireless/wl12xx/wl1271_init.c
@@ -59,6 +59,14 @@ static int wl1271_init_templates_config(struct wl1271 *wl)
 	if (ret < 0)
 		return ret;
 
+	if (wl1271_11a_enabled()) {
+		ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
+				NULL,
+				sizeof(struct wl12xx_probe_req_template));
+		if (ret < 0)
+			return ret;
+	}
+
 	ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, NULL,
 				      sizeof(struct wl12xx_null_data_template));
 	if (ret < 0)
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 9b1cc8db1dd..ae41a709550 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -1332,13 +1332,13 @@ static int wl1271_op_hw_scan(struct ieee80211_hw *hw,
 	struct wl1271 *wl = hw->priv;
 	int ret;
 	u8 *ssid = NULL;
-	size_t ssid_len = 0;
+	size_t len = 0;
 
 	wl1271_debug(DEBUG_MAC80211, "mac80211 hw scan");
 
 	if (req->n_ssids) {
 		ssid = req->ssids[0].ssid;
-		ssid_len = req->ssids[0].ssid_len;
+		len = req->ssids[0].ssid_len;
 	}
 
 	mutex_lock(&wl->mutex);
@@ -1347,7 +1347,12 @@ static int wl1271_op_hw_scan(struct ieee80211_hw *hw,
 	if (ret < 0)
 		goto out;
 
-	ret = wl1271_cmd_scan(hw->priv, ssid, ssid_len, 1, 0, 13, 3);
+	if (wl1271_11a_enabled())
+		ret = wl1271_cmd_scan(hw->priv, ssid, len, 1, 0,
+				      WL1271_SCAN_BAND_DUAL, 3);
+	else
+		ret = wl1271_cmd_scan(hw->priv, ssid, len, 1, 0,
+				      WL1271_SCAN_BAND_2_4_GHZ, 3);
 
 	wl1271_ps_elp_sleep(wl);
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_rx.c b/drivers/net/wireless/wl12xx/wl1271_rx.c
index 7979b69ec52..66b83e92290 100644
--- a/drivers/net/wireless/wl12xx/wl1271_rx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_rx.c
@@ -79,6 +79,9 @@ static void wl1271_rx_status(struct wl1271 *wl,
 
 	if ((desc->flags & WL1271_RX_DESC_BAND_MASK) == WL1271_RX_DESC_BAND_BG)
 		status->band = IEEE80211_BAND_2GHZ;
+	else if ((desc->flags & WL1271_RX_DESC_BAND_MASK) ==
+		 WL1271_RX_DESC_BAND_A)
+		status->band = IEEE80211_BAND_5GHZ;
 	else
 		wl1271_warning("unsupported band 0x%x",
 			       desc->flags & WL1271_RX_DESC_BAND_MASK);
-- 
GitLab


From a410264553447ff90bf13e3662684e794e5ff83e Mon Sep 17 00:00:00 2001
From: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Date: Tue, 13 Oct 2009 12:47:51 +0300
Subject: [PATCH 0512/1815] wl1271: Added 5 GHz support to join and rx

Added support to assiociate and use connection on 5 GHz band (802.11a).

Signed-off-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_cmd.c | 13 +++++-
 drivers/net/wireless/wl12xx/wl1271_cmd.h |  1 +
 drivers/net/wireless/wl12xx/wl1271_rx.c  | 57 +++++++++++++++++++-----
 3 files changed, 58 insertions(+), 13 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c
index 6d7a40c004f..fe4f1e64512 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.c
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c
@@ -219,6 +219,7 @@ int wl1271_cmd_join(struct wl1271 *wl)
 
 	join->rx_config_options = wl->rx_config;
 	join->rx_filter_options = wl->rx_filter;
+	join->bss_type = wl->bss_type;
 
 	/*
 	 * FIXME: disable temporarily all filters because after commit
@@ -229,12 +230,20 @@ int wl1271_cmd_join(struct wl1271 *wl)
 	join->rx_config_options = 0;
 	join->rx_filter_options = WL1271_DEFAULT_RX_FILTER;
 
-	join->basic_rate_set = CONF_HW_BIT_RATE_1MBPS | CONF_HW_BIT_RATE_2MBPS |
+	if (wl->band == IEEE80211_BAND_2GHZ)
+		join->basic_rate_set =
+			CONF_HW_BIT_RATE_1MBPS | CONF_HW_BIT_RATE_2MBPS |
 		CONF_HW_BIT_RATE_5_5MBPS | CONF_HW_BIT_RATE_11MBPS;
+	else {
+		join->bss_type |= WL1271_JOIN_CMD_BSS_TYPE_5GHZ;
+		join->basic_rate_set =
+			CONF_HW_BIT_RATE_6MBPS | CONF_HW_BIT_RATE_12MBPS |
+			CONF_HW_BIT_RATE_24MBPS;
+	}
 
 	join->beacon_interval = WL1271_DEFAULT_BEACON_INT;
 	join->dtim_interval = WL1271_DEFAULT_DTIM_PERIOD;
-	join->bss_type = wl->bss_type;
+
 	join->channel = wl->channel;
 	join->ssid_len = wl->ssid_len;
 	memcpy(join->ssid, wl->ssid, wl->ssid_len);
diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.h b/drivers/net/wireless/wl12xx/wl1271_cmd.h
index 33089408e75..15254fa82f6 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.h
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.h
@@ -198,6 +198,7 @@ enum {
 
 #define WL1271_JOIN_CMD_CTRL_TX_FLUSH     0x80 /* Firmware flushes all Tx */
 #define WL1271_JOIN_CMD_TX_SESSION_OFFSET 1
+#define WL1271_JOIN_CMD_BSS_TYPE_5GHZ 0x10
 
 struct wl1271_cmd_join {
 	struct wl1271_cmd_header header;
diff --git a/drivers/net/wireless/wl12xx/wl1271_rx.c b/drivers/net/wireless/wl12xx/wl1271_rx.c
index 66b83e92290..1dd84582ef3 100644
--- a/drivers/net/wireless/wl12xx/wl1271_rx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_rx.c
@@ -70,6 +70,36 @@ static u8 wl1271_rx_rate_to_idx[] = {
 	0                           /* WL1271_RATE_1    */
 };
 
+/* The values of this table must match the wl1271_rates[] array */
+static u8 wl1271_5_ghz_rx_rate_to_idx[] = {
+	/* MCS rates are used only with 11n */
+	WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS7 */
+	WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS6 */
+	WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS5 */
+	WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS4 */
+	WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS3 */
+	WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS2 */
+	WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS1 */
+	WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS0 */
+
+	7,                          /* WL1271_RATE_54   */
+	6,                          /* WL1271_RATE_48   */
+	5,                          /* WL1271_RATE_36   */
+	4,                          /* WL1271_RATE_24   */
+
+	/* TI-specific rate */
+	WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_22   */
+
+	3,                          /* WL1271_RATE_18   */
+	2,                          /* WL1271_RATE_12   */
+	WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_11   */
+	1,                          /* WL1271_RATE_9    */
+	0,                          /* WL1271_RATE_6    */
+	WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_5_5  */
+	WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_2    */
+	WL1271_RX_RATE_UNSUPPORTED  /* WL1271_RATE_1    */
+};
+
 static void wl1271_rx_status(struct wl1271 *wl,
 			     struct wl1271_rx_descriptor *desc,
 			     struct ieee80211_rx_status *status,
@@ -77,15 +107,21 @@ static void wl1271_rx_status(struct wl1271 *wl,
 {
 	memset(status, 0, sizeof(struct ieee80211_rx_status));
 
-	if ((desc->flags & WL1271_RX_DESC_BAND_MASK) == WL1271_RX_DESC_BAND_BG)
+	if ((desc->flags & WL1271_RX_DESC_BAND_MASK) ==
+	    WL1271_RX_DESC_BAND_BG) {
 		status->band = IEEE80211_BAND_2GHZ;
-	else if ((desc->flags & WL1271_RX_DESC_BAND_MASK) ==
-		 WL1271_RX_DESC_BAND_A)
+		status->rate_idx = wl1271_rx_rate_to_idx[desc->rate];
+	} else if ((desc->flags & WL1271_RX_DESC_BAND_MASK) ==
+		 WL1271_RX_DESC_BAND_A) {
 		status->band = IEEE80211_BAND_5GHZ;
-	else
+		status->rate_idx = wl1271_5_ghz_rx_rate_to_idx[desc->rate];
+	} else
 		wl1271_warning("unsupported band 0x%x",
 			       desc->flags & WL1271_RX_DESC_BAND_MASK);
 
+	if (unlikely(status->rate_idx == WL1271_RX_RATE_UNSUPPORTED))
+		wl1271_warning("unsupported rate");
+
 	/*
 	 * FIXME: Add mactime handling.  For IBSS (ad-hoc) we need to get the
 	 * timestamp from the beacon (acx_tsf_info).  In BSS mode (infra) we
@@ -108,15 +144,14 @@ static void wl1271_rx_status(struct wl1271 *wl,
 
 		if (likely(!(desc->flags & WL1271_RX_DESC_DECRYPT_FAIL)))
 			status->flag |= RX_FLAG_DECRYPTED;
-
+		/* FIXME: Flag should be also set when using 5 GHz band.
+		 * At the moment chip reports MIC failed on all packets,
+		 * so flag is silently discarded.
+		 */
 		if (unlikely(desc->flags & WL1271_RX_DESC_MIC_FAIL))
-			status->flag |= RX_FLAG_MMIC_ERROR;
+			if (status->band != IEEE80211_BAND_5GHZ)
+				status->flag |= RX_FLAG_MMIC_ERROR;
 	}
-
-	status->rate_idx = wl1271_rx_rate_to_idx[desc->rate];
-
-	if (status->rate_idx == WL1271_RX_RATE_UNSUPPORTED)
-		wl1271_warning("unsupported rate");
 }
 
 static void wl1271_rx_handle_data(struct wl1271 *wl, u32 length)
-- 
GitLab


From 5d07b668f28175a39e4ad06eccab75e8275266d1 Mon Sep 17 00:00:00 2001
From: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Date: Tue, 13 Oct 2009 12:47:52 +0300
Subject: [PATCH 0513/1815] wl1271: Checking of rx descriptor status fixed

Fixed checking of status of the received packet. On wl1251 status is in the
flags field of the descriptor, on wl1271 there is a separate status field.

Signed-off-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_rx.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_rx.c b/drivers/net/wireless/wl12xx/wl1271_rx.c
index 1dd84582ef3..1ea3f41912a 100644
--- a/drivers/net/wireless/wl12xx/wl1271_rx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_rx.c
@@ -142,15 +142,10 @@ static void wl1271_rx_status(struct wl1271 *wl,
 	if (desc->flags & WL1271_RX_DESC_ENCRYPT_MASK) {
 		status->flag |= RX_FLAG_IV_STRIPPED | RX_FLAG_MMIC_STRIPPED;
 
-		if (likely(!(desc->flags & WL1271_RX_DESC_DECRYPT_FAIL)))
+		if (likely(!(desc->status & WL1271_RX_DESC_DECRYPT_FAIL)))
 			status->flag |= RX_FLAG_DECRYPTED;
-		/* FIXME: Flag should be also set when using 5 GHz band.
-		 * At the moment chip reports MIC failed on all packets,
-		 * so flag is silently discarded.
-		 */
-		if (unlikely(desc->flags & WL1271_RX_DESC_MIC_FAIL))
-			if (status->band != IEEE80211_BAND_5GHZ)
-				status->flag |= RX_FLAG_MMIC_ERROR;
+		if (unlikely(desc->status & WL1271_RX_DESC_MIC_FAIL))
+			status->flag |= RX_FLAG_MMIC_ERROR;
 	}
 }
 
-- 
GitLab


From 7444113017b9d5394dc8c4bdf577f9567502417b Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Tue, 13 Oct 2009 12:47:53 +0300
Subject: [PATCH 0514/1815] wl1271: Fix multicast list handling

Fixes bugs in the multicast list handling:
 - Use atomic memory allocation in non-sleepable context
 - Increment address pointer when iterating list of MC addresses

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index ae41a709550..19dbdb1b38a 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -1160,7 +1160,7 @@ static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, int mc_count,
 	 * configure_filter() instead of saving everything in the context.
 	 */
 
-	fp = kzalloc(sizeof(*fp), GFP_KERNEL);
+	fp = kzalloc(sizeof(*fp), GFP_ATOMIC);
 	if (!fp) {
 		wl1271_error("Out of memory setting filters.");
 		return 0;
@@ -1180,6 +1180,7 @@ static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, int mc_count,
 			fp->mc_list_length++;
 		} else
 			wl1271_warning("Unknown mc address length.");
+		mc_list = mc_list->next;
 	}
 
 	/* FIXME: We still need to set our filters properly */
-- 
GitLab


From 1fd2794f36913992798184c464fe8f85753b13e0 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Tue, 13 Oct 2009 12:47:54 +0300
Subject: [PATCH 0515/1815] wl1271: Fix event handling mechanism

The event handling mechanism could miss events if multiple events would
occur simultaneously. Fix event handling mechanism to process all
events.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_event.c |  6 ++++--
 drivers/net/wireless/wl12xx/wl1271_event.h |  2 +-
 drivers/net/wireless/wl12xx/wl1271_main.c  | 17 +++++++++--------
 3 files changed, 14 insertions(+), 11 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_event.c b/drivers/net/wireless/wl12xx/wl1271_event.c
index e2d7758ba1c..a4b11e43f0d 100644
--- a/drivers/net/wireless/wl12xx/wl1271_event.c
+++ b/drivers/net/wireless/wl12xx/wl1271_event.c
@@ -126,7 +126,7 @@ void wl1271_event_mbox_config(struct wl1271 *wl)
 		     wl->mbox_ptr[0], wl->mbox_ptr[1]);
 }
 
-int wl1271_event_handle(struct wl1271 *wl, u8 mbox_num)
+int wl1271_event_handle(struct wl1271 *wl, u8 mbox_num, bool do_ack)
 {
 	struct event_mailbox mbox;
 	int ret;
@@ -146,7 +146,9 @@ int wl1271_event_handle(struct wl1271 *wl, u8 mbox_num)
 		return ret;
 
 	/* then we let the firmware know it can go on...*/
-	wl1271_spi_write32(wl, ACX_REG_INTERRUPT_TRIG, INTR_TRIG_EVENT_ACK);
+	if (do_ack)
+		wl1271_spi_write32(wl, ACX_REG_INTERRUPT_TRIG,
+				   INTR_TRIG_EVENT_ACK);
 
 	return 0;
 }
diff --git a/drivers/net/wireless/wl12xx/wl1271_event.h b/drivers/net/wireless/wl12xx/wl1271_event.h
index 2cdce7c34bf..adc4653b261 100644
--- a/drivers/net/wireless/wl12xx/wl1271_event.h
+++ b/drivers/net/wireless/wl12xx/wl1271_event.h
@@ -105,6 +105,6 @@ struct event_mailbox {
 
 int wl1271_event_unmask(struct wl1271 *wl);
 void wl1271_event_mbox_config(struct wl1271 *wl);
-int wl1271_event_handle(struct wl1271 *wl, u8 mbox);
+int wl1271_event_handle(struct wl1271 *wl, u8 mbox, bool do_ack);
 
 #endif
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 19dbdb1b38a..d6d1a4c1b11 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -437,14 +437,15 @@ static void wl1271_irq_work(struct work_struct *work)
 
 	intr &= WL1271_INTR_MASK;
 
-	if (intr & (WL1271_ACX_INTR_EVENT_A |
-		    WL1271_ACX_INTR_EVENT_B)) {
-		wl1271_debug(DEBUG_IRQ,
-			     "WL1271_ACX_INTR_EVENT (0x%x)", intr);
-		if (intr & WL1271_ACX_INTR_EVENT_A)
-			wl1271_event_handle(wl, 0);
-		else
-			wl1271_event_handle(wl, 1);
+	if (intr & WL1271_ACX_INTR_EVENT_A) {
+		bool do_ack = (intr & WL1271_ACX_INTR_EVENT_B) ? false : true;
+		wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_A");
+		wl1271_event_handle(wl, 0, do_ack);
+	}
+
+	if (intr & WL1271_ACX_INTR_EVENT_B) {
+		wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_B");
+		wl1271_event_handle(wl, 1, true);
 	}
 
 	if (intr & WL1271_ACX_INTR_INIT_COMPLETE)
-- 
GitLab


From 01c09162cd6170f3671825d6d5f2c1ae7b27cbf3 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Tue, 13 Oct 2009 12:47:55 +0300
Subject: [PATCH 0516/1815] wl1271: Support for IPv4 ARP filtering
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Add support for IPv4 ARP filtering in the driver. This will dramatically
reduce the number of unnecessary interrupts by the device in conqested
networks.

This patch is based on a similar patch to wl1251 by Janne Ylälehto.

Cc: Janne Ylälehto <janne.ylalehto@nokia.com>
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271.h      |   2 +
 drivers/net/wireless/wl12xx/wl1271_acx.c  |  38 ++++++++
 drivers/net/wireless/wl12xx/wl1271_acx.h  |  17 ++++
 drivers/net/wireless/wl12xx/wl1271_main.c | 100 ++++++++++++++++++++++
 4 files changed, 157 insertions(+)

diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h
index 79a73244315..1e399a2a7f6 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl1271.h
@@ -441,6 +441,8 @@ struct wl1271 {
 
 	/* Current chipset configuration */
 	struct conf_drv_settings conf;
+
+	struct list_head list;
 };
 
 int wl1271_plt_start(struct wl1271 *wl);
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.c b/drivers/net/wireless/wl12xx/wl1271_acx.c
index 44a1237fa79..e891cd5bd25 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.c
@@ -1092,3 +1092,41 @@ out:
 	kfree(acx);
 	return ret;
 }
+
+int wl1271_acx_arp_ip_filter(struct wl1271 *wl, bool enable, u8 *address,
+			     u8 version)
+{
+	struct wl1271_acx_arp_filter *acx;
+	int ret;
+
+	wl1271_debug(DEBUG_ACX, "acx arp ip filter, enable: %d", enable);
+
+	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
+	if (!acx) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	acx->version = version;
+	acx->enable = enable;
+
+	if (enable == true) {
+		if (version == ACX_IPV4_VERSION)
+			memcpy(acx->address, address, ACX_IPV4_ADDR_SIZE);
+		else if (version == ACX_IPV6_VERSION)
+			memcpy(acx->address, address, sizeof(acx->address));
+		else
+			wl1271_error("Invalid IP version");
+	}
+
+	ret = wl1271_cmd_configure(wl, ACX_ARP_IP_FILTER,
+				   acx, sizeof(*acx));
+	if (ret < 0) {
+		wl1271_warning("failed to set arp ip filter: %d", ret);
+		goto out;
+	}
+
+out:
+	kfree(acx);
+	return ret;
+}
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.h b/drivers/net/wireless/wl12xx/wl1271_acx.h
index 29fd3635e38..15803146d50 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.h
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.h
@@ -955,6 +955,21 @@ struct wl1271_acx_bet_enable {
 	u8 padding[2];
 } __attribute__ ((packed));
 
+#define ACX_IPV4_VERSION 4
+#define ACX_IPV6_VERSION 6
+#define ACX_IPV4_ADDR_SIZE 4
+struct wl1271_acx_arp_filter {
+	struct acx_header header;
+	u8 version;         /* ACX_IPV4_VERSION, ACX_IPV6_VERSION */
+	u8 enable;          /* 1 to enable ARP filtering, 0 to disable */
+	u8 padding[2];
+	u8 address[16];     /* The configured device IP address - all ARP
+			       requests directed to this IP address will pass
+			       through. For IPv4, the first four bytes are
+			       used. */
+} __attribute__((packed));
+
+
 enum {
 	ACX_WAKE_UP_CONDITIONS      = 0x0002,
 	ACX_MEM_CFG                 = 0x0003,
@@ -1064,5 +1079,7 @@ int wl1271_acx_init_mem_config(struct wl1271 *wl);
 int wl1271_acx_init_rx_interrupt(struct wl1271 *wl);
 int wl1271_acx_smart_reflex(struct wl1271 *wl);
 int wl1271_acx_bet_enable(struct wl1271 *wl, bool enable);
+int wl1271_acx_arp_ip_filter(struct wl1271 *wl, bool enable, u8 *address,
+			     u8 version);
 
 #endif /* __WL1271_ACX_H__ */
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index d6d1a4c1b11..7d70f4168b2 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -32,6 +32,7 @@
 #include <linux/etherdevice.h>
 #include <linux/vmalloc.h>
 #include <linux/spi/wl12xx.h>
+#include <linux/inetdevice.h>
 
 #include "wl1271.h"
 #include "wl12xx_80211.h"
@@ -325,6 +326,8 @@ static struct conf_drv_settings default_conf = {
 	}
 };
 
+static LIST_HEAD(wl_list);
+
 static void wl1271_conf_init(struct wl1271 *wl)
 {
 
@@ -843,6 +846,93 @@ static int wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
 	return NETDEV_TX_OK;
 }
 
+static int wl1271_dev_notify(struct notifier_block *me, unsigned long what,
+			     void *arg)
+{
+	struct net_device *dev;
+	struct wireless_dev *wdev;
+	struct wiphy *wiphy;
+	struct ieee80211_hw *hw;
+	struct wl1271 *wl;
+	struct wl1271 *wl_temp;
+	struct in_device *idev;
+	struct in_ifaddr *ifa = arg;
+	int ret = 0;
+
+	/* FIXME: this ugly function should probably be implemented in the
+	 * mac80211, and here should only be a simple callback handling actual
+	 * setting of the filters. Now we need to dig up references to
+	 * various structures to gain access to what we need.
+	 * Also, because of this, there is no "initial" setting of the filter
+	 * in "op_start", because we don't want to dig up struct net_device
+	 * there - the filter will be set upon first change of the interface
+	 * IP address. */
+
+	dev = ifa->ifa_dev->dev;
+
+	wdev = dev->ieee80211_ptr;
+	if (wdev == NULL)
+		return -ENODEV;
+
+	wiphy = wdev->wiphy;
+	if (wiphy == NULL)
+		return -ENODEV;
+
+	hw = wiphy_priv(wiphy);
+	if (hw == NULL)
+		return -ENODEV;
+
+	/* Check that the interface is one supported by this driver. */
+	wl_temp = hw->priv;
+	list_for_each_entry(wl, &wl_list, list) {
+		if (wl == wl_temp)
+			break;
+	}
+	if (wl == NULL)
+		return -ENODEV;
+
+	/* Get the interface IP address for the device. "ifa" will become
+	   NULL if:
+	     - there is no IPV4 protocol address configured
+	     - there are multiple (virtual) IPV4 addresses configured
+	   When "ifa" is NULL, filtering will be disabled.
+	*/
+	ifa = NULL;
+	idev = dev->ip_ptr;
+	if (idev)
+		ifa = idev->ifa_list;
+
+	if (ifa && ifa->ifa_next)
+		ifa = NULL;
+
+	mutex_lock(&wl->mutex);
+
+	if (wl->state == WL1271_STATE_OFF)
+		goto out;
+
+	ret = wl1271_ps_elp_wakeup(wl, false);
+	if (ret < 0)
+		goto out;
+	if (ifa)
+		ret = wl1271_acx_arp_ip_filter(wl, true,
+					       (u8 *)&ifa->ifa_address,
+					       ACX_IPV4_VERSION);
+	else
+		ret = wl1271_acx_arp_ip_filter(wl, false, NULL,
+					       ACX_IPV4_VERSION);
+	wl1271_ps_elp_sleep(wl);
+
+out:
+	mutex_unlock(&wl->mutex);
+
+	return ret;
+}
+
+static struct notifier_block wl1271_dev_notifier = {
+	.notifier_call = wl1271_dev_notify,
+};
+
+
 static int wl1271_op_start(struct ieee80211_hw *hw)
 {
 	struct wl1271 *wl = hw->priv;
@@ -886,6 +976,11 @@ out_power_off:
 out:
 	mutex_unlock(&wl->mutex);
 
+	if (!ret) {
+		list_add(&wl->list, &wl_list);
+		register_inetaddr_notifier(&wl1271_dev_notifier);
+	}
+
 	return ret;
 }
 
@@ -906,6 +1001,9 @@ static void wl1271_op_stop(struct ieee80211_hw *hw)
 	wl->filter_params = NULL;
 	spin_unlock_irqrestore(&wl->wl_lock, flags);
 
+	unregister_inetaddr_notifier(&wl1271_dev_notifier);
+	list_del(&wl->list);
+
 	mutex_lock(&wl->mutex);
 
 	WARN_ON(wl->state != WL1271_STATE_ON);
@@ -1754,6 +1852,8 @@ static int __devinit wl1271_probe(struct spi_device *spi)
 	wl = hw->priv;
 	memset(wl, 0, sizeof(*wl));
 
+	INIT_LIST_HEAD(&wl->list);
+
 	wl->hw = hw;
 	dev_set_drvdata(&spi->dev, wl);
 	wl->spi = spi;
-- 
GitLab


From a163acce485a9629418659ff74737b89ba2c1751 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Tue, 13 Oct 2009 12:47:56 +0300
Subject: [PATCH 0517/1815] wl1271: Remove unnecessary rx_descriptor memory
 allocation

Remove unnecessary RX descriptor memory allocation from the driver. The
allocation was a remnant of the wl1251 driver.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271.h      |  1 -
 drivers/net/wireless/wl12xx/wl1271_main.c | 13 -------------
 2 files changed, 14 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h
index 1e399a2a7f6..fca59687041 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl1271.h
@@ -429,7 +429,6 @@ struct wl1271 {
 	u32 buffer_32;
 	u32 buffer_cmd;
 	u32 buffer_busyword[WL1271_BUSY_WORD_CNT];
-	struct wl1271_rx_descriptor *rx_descriptor;
 
 	struct wl1271_fw_status *fw_status;
 	struct wl1271_tx_hw_res_if *tx_res_if;
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 7d70f4168b2..dfa08a18863 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -1893,13 +1893,6 @@ static int __devinit wl1271_probe(struct spi_device *spi)
 	wl->state = WL1271_STATE_OFF;
 	mutex_init(&wl->mutex);
 
-	wl->rx_descriptor = kmalloc(sizeof(*wl->rx_descriptor), GFP_KERNEL);
-	if (!wl->rx_descriptor) {
-		wl1271_error("could not allocate memory for rx descriptor");
-		ret = -ENOMEM;
-		goto out_free;
-	}
-
 	/* This is the only SPI value that we need to set here, the rest
 	 * comes from the board-peripherals file */
 	spi->bits_per_word = 32;
@@ -1965,9 +1958,6 @@ static int __devinit wl1271_probe(struct spi_device *spi)
 	free_irq(wl->irq, wl);
 
  out_free:
-	kfree(wl->rx_descriptor);
-	wl->rx_descriptor = NULL;
-
 	ieee80211_free_hw(hw);
 
 	return ret;
@@ -1988,9 +1978,6 @@ static int __devexit wl1271_remove(struct spi_device *spi)
 	kfree(wl->nvs);
 	wl->nvs = NULL;
 
-	kfree(wl->rx_descriptor);
-	wl->rx_descriptor = NULL;
-
 	kfree(wl->fw_status);
 	kfree(wl->tx_res_if);
 
-- 
GitLab


From ed317788b925cfd896506ee775acca7392470b9b Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Tue, 13 Oct 2009 12:47:57 +0300
Subject: [PATCH 0518/1815] wl1271: Correct memory handling for FW boot

Several memory allocation related failure cases were not properly
handled by the driver - the result was that in low memory conditions
booting of a corrupted FW could be attempted - and user space would not
get proper failure code.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_boot.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.c b/drivers/net/wireless/wl12xx/wl1271_boot.c
index b8a37a84842..41a3050afae 100644
--- a/drivers/net/wireless/wl12xx/wl1271_boot.c
+++ b/drivers/net/wireless/wl12xx/wl1271_boot.c
@@ -134,7 +134,7 @@ static int wl1271_boot_upload_firmware_chunk(struct wl1271 *wl, void *buf,
 	}
 
 	chunk = kmalloc(CHUNK_SIZE, GFP_KERNEL);
-	if (!buf) {
+	if (!chunk) {
 		wl1271_error("allocation for firmware upload chunk failed");
 		return -ENOMEM;
 	}
@@ -184,6 +184,7 @@ static int wl1271_boot_upload_firmware_chunk(struct wl1271 *wl, void *buf,
 static int wl1271_boot_upload_firmware(struct wl1271 *wl)
 {
 	u32 chunks, addr, len;
+	int ret = 0;
 	u8 *fw;
 
 	fw = wl->fw;
@@ -204,11 +205,13 @@ static int wl1271_boot_upload_firmware(struct wl1271 *wl)
 		}
 		wl1271_debug(DEBUG_BOOT, "chunk %d addr 0x%x len %u",
 			     chunks, addr, len);
-		wl1271_boot_upload_firmware_chunk(wl, fw, len, addr);
+		ret = wl1271_boot_upload_firmware_chunk(wl, fw, len, addr);
+		if (ret != 0)
+			break;
 		fw += len;
 	}
 
-	return 0;
+	return ret;
 }
 
 static int wl1271_boot_upload_nvs(struct wl1271 *wl)
@@ -284,6 +287,8 @@ static int wl1271_boot_upload_nvs(struct wl1271 *wl)
 
 	/* Copy the NVS tables to a new block to ensure alignment */
 	nvs_aligned = kmemdup(nvs_ptr, nvs_len, GFP_KERNEL);
+	if (!nvs_aligned)
+		return -ENOMEM;
 
 	/* And finally we upload the NVS tables */
 	/* FIXME: In wl1271, we upload everything at once.
-- 
GitLab


From bd5ea18f7b47b5397233301920180128793295a2 Mon Sep 17 00:00:00 2001
From: Luciano Coelho <luciano.coelho@nokia.com>
Date: Tue, 13 Oct 2009 12:47:58 +0300
Subject: [PATCH 0519/1815] wl1271: make sure PS is disabled in PLT

We cannot be in PS mode when running PLT tests, so we need to make sure we're
in active mode.  Also, we need to clear up the rx_counter when we stop PLT,
otherwise it could cause problems when entering PLT again.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_main.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index dfa08a18863..7b8d2799f23 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -774,6 +774,11 @@ int wl1271_plt_start(struct wl1271 *wl)
 	if (ret < 0)
 		goto out_irq_disable;
 
+	/* Make sure power saving is disabled */
+	ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM);
+	if (ret < 0)
+		goto out_irq_disable;
+
 	goto out;
 
 out_irq_disable:
@@ -807,6 +812,7 @@ int wl1271_plt_stop(struct wl1271 *wl)
 	wl1271_power_off(wl);
 
 	wl->state = WL1271_STATE_OFF;
+	wl->rx_counter = 0;
 
 out:
 	mutex_unlock(&wl->mutex);
-- 
GitLab


From b54853f1b157a173fe5ac9145623670c66a9e7b9 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Tue, 13 Oct 2009 12:47:59 +0300
Subject: [PATCH 0520/1815] wl1271: Fix filter configuration

Fix the filter configuration to properly work with the two phase filter
configuration (prepare_multicast/configure_filter.)

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271.h      |   3 -
 drivers/net/wireless/wl12xx/wl1271_main.c | 157 +++++++---------------
 2 files changed, 51 insertions(+), 109 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h
index fca59687041..1309b20e4d5 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl1271.h
@@ -363,9 +363,6 @@ struct wl1271 {
 
 	struct work_struct tx_work;
 
-	struct work_struct filter_work;
-	struct wl1271_filter_params *filter_params;
-
 	/* Pending TX frames */
 	struct sk_buff *tx_frames[ACX_TX_DESCRIPTORS];
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 7b8d2799f23..ee7ffafaa27 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -675,74 +675,6 @@ out:
 	return ret;
 }
 
-struct wl1271_filter_params {
-	unsigned int filters;
-	unsigned int changed;
-	int mc_list_length;
-	u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN];
-};
-
-#define WL1271_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \
-				  FIF_ALLMULTI | \
-				  FIF_FCSFAIL | \
-				  FIF_BCN_PRBRESP_PROMISC | \
-				  FIF_CONTROL | \
-				  FIF_OTHER_BSS)
-
-static void wl1271_filter_work(struct work_struct *work)
-{
-	struct wl1271 *wl =
-		container_of(work, struct wl1271, filter_work);
-	struct wl1271_filter_params *fp;
-	unsigned long flags;
-	bool enabled = true;
-	int ret;
-
-	/* first, get the filter parameters */
-	spin_lock_irqsave(&wl->wl_lock, flags);
-	fp = wl->filter_params;
-	wl->filter_params = NULL;
-	spin_unlock_irqrestore(&wl->wl_lock, flags);
-
-	if (!fp)
-		return;
-
-	/* then, lock the mutex without risk of lock-up */
-	mutex_lock(&wl->mutex);
-
-	if (wl->state == WL1271_STATE_OFF)
-		goto out;
-
-	ret = wl1271_ps_elp_wakeup(wl, false);
-	if (ret < 0)
-		goto out;
-
-	/* configure the mc filter regardless of the changed flags */
-	if (fp->filters & FIF_ALLMULTI)
-		enabled = false;
-
-	ret = wl1271_acx_group_address_tbl(wl, enabled,
-					   fp->mc_list, fp->mc_list_length);
-	if (ret < 0)
-		goto out_sleep;
-
-	/* determine, whether supported filter values have changed */
-	if (fp->changed == 0)
-		goto out;
-
-	/* apply configured filters */
-	ret = wl1271_acx_rx_config(wl, wl->rx_config, wl->rx_filter);
-	if (ret < 0)
-		goto out_sleep;
-
-out_sleep:
-	wl1271_ps_elp_sleep(wl);
-
-out:
-	mutex_unlock(&wl->mutex);
-	kfree(fp);
-}
-
 int wl1271_plt_start(struct wl1271 *wl)
 {
 	int ret;
@@ -993,20 +925,12 @@ out:
 static void wl1271_op_stop(struct ieee80211_hw *hw)
 {
 	struct wl1271 *wl = hw->priv;
-	unsigned long flags;
 	int i;
 
 	wl1271_info("down");
 
 	wl1271_debug(DEBUG_MAC80211, "mac80211 stop");
 
-	/* complete/cancel ongoing work */
-	cancel_work_sync(&wl->filter_work);
-	spin_lock_irqsave(&wl->wl_lock, flags);
-	kfree(wl->filter_params);
-	wl->filter_params = NULL;
-	spin_unlock_irqrestore(&wl->wl_lock, flags);
-
 	unregister_inetaddr_notifier(&wl1271_dev_notifier);
 	list_del(&wl->list);
 
@@ -1029,7 +953,6 @@ static void wl1271_op_stop(struct ieee80211_hw *hw)
 
 	cancel_work_sync(&wl->irq_work);
 	cancel_work_sync(&wl->tx_work);
-	cancel_work_sync(&wl->filter_work);
 
 	mutex_lock(&wl->mutex);
 
@@ -1252,19 +1175,18 @@ out:
 	return ret;
 }
 
+struct wl1271_filter_params {
+	bool enabled;
+	int mc_list_length;
+	u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN];
+};
+
 static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, int mc_count,
 				       struct dev_addr_list *mc_list)
 {
-	struct wl1271 *wl = hw->priv;
 	struct wl1271_filter_params *fp;
-	unsigned long flags;
 	int i;
 
-	/*
-	 * FIXME: we should return a hash that will be passed to
-	 * configure_filter() instead of saving everything in the context.
-	 */
-
 	fp = kzalloc(sizeof(*fp), GFP_ATOMIC);
 	if (!fp) {
 		wl1271_error("Out of memory setting filters.");
@@ -1272,9 +1194,10 @@ static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, int mc_count,
 	}
 
 	/* update multicast filtering parameters */
+	fp->enabled = true;
 	if (mc_count > ACX_MC_ADDRESS_GROUP_MAX) {
 		mc_count = 0;
-		fp->filters |= FIF_ALLMULTI;
+		fp->enabled = false;
 	}
 
 	fp->mc_list_length = 0;
@@ -1288,42 +1211,65 @@ static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, int mc_count,
 		mc_list = mc_list->next;
 	}
 
-	/* FIXME: We still need to set our filters properly */
-
-	spin_lock_irqsave(&wl->wl_lock, flags);
-	kfree(wl->filter_params);
-	wl->filter_params = fp;
-	spin_unlock_irqrestore(&wl->wl_lock, flags);
-
-	return 1;
+	return (u64)(unsigned long)fp;
 }
 
+#define WL1271_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \
+				  FIF_ALLMULTI | \
+				  FIF_FCSFAIL | \
+				  FIF_BCN_PRBRESP_PROMISC | \
+				  FIF_CONTROL | \
+				  FIF_OTHER_BSS)
+
 static void wl1271_op_configure_filter(struct ieee80211_hw *hw,
 				       unsigned int changed,
 				       unsigned int *total, u64 multicast)
 {
+	struct wl1271_filter_params *fp = (void *)(unsigned long)multicast;
 	struct wl1271 *wl = hw->priv;
+	int ret;
 
 	wl1271_debug(DEBUG_MAC80211, "mac80211 configure filter");
 
+	mutex_lock(&wl->mutex);
+
+	if (wl->state == WL1271_STATE_OFF)
+		goto out;
+
+	ret = wl1271_ps_elp_wakeup(wl, false);
+	if (ret < 0)
+		goto out;
+
 	*total &= WL1271_SUPPORTED_FILTERS;
 	changed &= WL1271_SUPPORTED_FILTERS;
 
-	if (!multicast)
-		return;
+	if (*total & FIF_ALLMULTI)
+		ret = wl1271_acx_group_address_tbl(wl, false, NULL, 0);
+	else if (fp)
+		ret = wl1271_acx_group_address_tbl(wl, fp->enabled,
+						   fp->mc_list,
+						   fp->mc_list_length);
+	if (ret < 0)
+		goto out_sleep;
 
-	/*
-	 * FIXME: for now we are still using a workqueue for filter
-	 * configuration, but with the new mac80211, this is not needed,
-	 * since configure_filter can now sleep.  We now have
-	 * prepare_multicast, which needs to be atomic instead.
-	 */
+	kfree(fp);
+
+	/* FIXME: We still need to set our filters properly */
 
-	/* store current filter config */
-	wl->filter_params->filters = *total;
-	wl->filter_params->changed = changed;
+	/* determine, whether supported filter values have changed */
+	if (changed == 0)
+		goto out_sleep;
 
-	ieee80211_queue_work(wl->hw, &wl->filter_work);
+	/* apply configured filters */
+	ret = wl1271_acx_rx_config(wl, wl->rx_config, wl->rx_filter);
+	if (ret < 0)
+		goto out_sleep;
+
+out_sleep:
+	wl1271_ps_elp_sleep(wl);
+
+out:
+	mutex_unlock(&wl->mutex);
 }
 
 static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
@@ -1866,7 +1812,6 @@ static int __devinit wl1271_probe(struct spi_device *spi)
 
 	skb_queue_head_init(&wl->tx_queue);
 
-	INIT_WORK(&wl->filter_work, wl1271_filter_work);
 	INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work);
 	wl->channel = WL1271_DEFAULT_CHANNEL;
 	wl->scanning = false;
-- 
GitLab


From ce470613cdfde70f25419cc52a4816315825f5d9 Mon Sep 17 00:00:00 2001
From: Holger Schurig <hs4233@mail.mn-solutions.de>
Date: Tue, 13 Oct 2009 13:28:13 +0200
Subject: [PATCH 0521/1815] cfg80211: no cookies in cfg80211_send_XXX()

Get rid of cookies in cfg80211_send_XXX() functions.

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 include/net/cfg80211.h | 31 +++++++++++++++++++++++--------
 net/mac80211/mlme.c    | 18 +++++++++++-------
 net/wireless/mlme.c    | 39 ++++++++++++---------------------------
 3 files changed, 46 insertions(+), 42 deletions(-)

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 6f4862b3ec2..ff67865de23 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1809,30 +1809,45 @@ void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr);
  * @dev: network device
  * @buf: deauthentication frame (header + body)
  * @len: length of the frame data
- * @cookie: cookie from ->deauth if called within that callback,
- *	%NULL otherwise
  *
  * This function is called whenever deauthentication has been processed in
  * station mode. This includes both received deauthentication frames and
  * locally generated ones. This function may sleep.
  */
-void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len,
-			  void *cookie);
+void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len);
+
+/**
+ * __cfg80211_send_deauth - notification of processed deauthentication
+ * @dev: network device
+ * @buf: deauthentication frame (header + body)
+ * @len: length of the frame data
+ *
+ * Like cfg80211_send_deauth(), but doesn't take the wdev lock.
+ */
+void __cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len);
 
 /**
  * cfg80211_send_disassoc - notification of processed disassociation
  * @dev: network device
  * @buf: disassociation response frame (header + body)
  * @len: length of the frame data
- * @cookie: cookie from ->disassoc if called within that callback,
- *	%NULL otherwise
  *
  * This function is called whenever disassociation has been processed in
  * station mode. This includes both received disassociation frames and locally
  * generated ones. This function may sleep.
  */
-void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len,
-			    void *cookie);
+void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len);
+
+/**
+ * __cfg80211_send_disassoc - notification of processed disassociation
+ * @dev: network device
+ * @buf: disassociation response frame (header + body)
+ * @len: length of the frame data
+ *
+ * Like cfg80211_send_disassoc(), but doesn't take the wdev lock.
+ */
+void __cfg80211_send_disassoc(struct net_device *dev, const u8 *buf,
+	size_t len);
 
 /**
  * cfg80211_michael_mic_failure - notification of Michael MIC failure (TKIP)
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 8d26e9bf896..33a696f5f30 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -458,9 +458,15 @@ static void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
 	mgmt->u.deauth.reason_code = cpu_to_le16(reason);
 
 	if (stype == IEEE80211_STYPE_DEAUTH)
-		cfg80211_send_deauth(sdata->dev, (u8 *)mgmt, skb->len, cookie);
+		if (cookie)
+			__cfg80211_send_deauth(sdata->dev, (u8 *)mgmt, skb->len);
+		else
+			cfg80211_send_deauth(sdata->dev, (u8 *)mgmt, skb->len);
 	else
-		cfg80211_send_disassoc(sdata->dev, (u8 *)mgmt, skb->len, cookie);
+		if (cookie)
+			__cfg80211_send_disassoc(sdata->dev, (u8 *)mgmt, skb->len);
+		else
+			cfg80211_send_disassoc(sdata->dev, (u8 *)mgmt, skb->len);
 	ieee80211_tx_skb(sdata, skb, ifmgd->flags & IEEE80211_STA_MFP_ENABLED);
 }
 
@@ -1959,12 +1965,10 @@ static void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
 			/* no action */
 			break;
 		case RX_MGMT_CFG80211_DEAUTH:
-			cfg80211_send_deauth(sdata->dev, (u8 *)mgmt, skb->len,
-					     NULL);
+			cfg80211_send_deauth(sdata->dev, (u8 *)mgmt, skb->len);
 			break;
 		case RX_MGMT_CFG80211_DISASSOC:
-			cfg80211_send_disassoc(sdata->dev, (u8 *)mgmt, skb->len,
-					       NULL);
+			cfg80211_send_disassoc(sdata->dev, (u8 *)mgmt, skb->len);
 			break;
 		default:
 			WARN(1, "unexpected: %d", rma);
@@ -2019,7 +2023,7 @@ static void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
 		cfg80211_send_rx_assoc(sdata->dev, (u8 *) mgmt, skb->len);
 		break;
 	case RX_MGMT_CFG80211_DEAUTH:
-		cfg80211_send_deauth(sdata->dev, (u8 *)mgmt, skb->len, NULL);
+		cfg80211_send_deauth(sdata->dev, (u8 *)mgmt, skb->len);
 		break;
 	default:
 		WARN(1, "unexpected: %d", rma);
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index ceb2c14c8f4..a13a7120524 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -121,7 +121,7 @@ void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len)
 }
 EXPORT_SYMBOL(cfg80211_send_rx_assoc);
 
-static void __cfg80211_send_deauth(struct net_device *dev,
+void __cfg80211_send_deauth(struct net_device *dev,
 				   const u8 *buf, size_t len)
 {
 	struct wireless_dev *wdev = dev->ieee80211_ptr;
@@ -177,27 +177,19 @@ static void __cfg80211_send_deauth(struct net_device *dev,
 					  false, NULL);
 	}
 }
+EXPORT_SYMBOL(__cfg80211_send_deauth);
 
-
-void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len,
-			  void *cookie)
+void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len)
 {
 	struct wireless_dev *wdev = dev->ieee80211_ptr;
 
-	BUG_ON(cookie && wdev != cookie);
-
-	if (cookie) {
-		/* called within callback */
-		__cfg80211_send_deauth(dev, buf, len);
-	} else {
-		wdev_lock(wdev);
-		__cfg80211_send_deauth(dev, buf, len);
-		wdev_unlock(wdev);
-	}
+	wdev_lock(wdev);
+	__cfg80211_send_deauth(dev, buf, len);
+	wdev_unlock(wdev);
 }
 EXPORT_SYMBOL(cfg80211_send_deauth);
 
-static void __cfg80211_send_disassoc(struct net_device *dev,
+void __cfg80211_send_disassoc(struct net_device *dev,
 				     const u8 *buf, size_t len)
 {
 	struct wireless_dev *wdev = dev->ieee80211_ptr;
@@ -238,22 +230,15 @@ static void __cfg80211_send_disassoc(struct net_device *dev,
 	from_ap = memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0;
 	__cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap);
 }
+EXPORT_SYMBOL(__cfg80211_send_disassoc);
 
-void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len,
-			    void *cookie)
+void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len)
 {
 	struct wireless_dev *wdev = dev->ieee80211_ptr;
 
-	BUG_ON(cookie && wdev != cookie);
-
-	if (cookie) {
-		/* called within callback */
-		__cfg80211_send_disassoc(dev, buf, len);
-	} else {
-		wdev_lock(wdev);
-		__cfg80211_send_disassoc(dev, buf, len);
-		wdev_unlock(wdev);
-	}
+	wdev_lock(wdev);
+	__cfg80211_send_disassoc(dev, buf, len);
+	wdev_unlock(wdev);
 }
 EXPORT_SYMBOL(cfg80211_send_disassoc);
 
-- 
GitLab


From e0da41b2cf10ae95592cb2496f8f81aa4b4bf16c Mon Sep 17 00:00:00 2001
From: Holger Schurig <hs4233@mail.mn-solutions.de>
Date: Tue, 13 Oct 2009 13:45:28 +0200
Subject: [PATCH 0522/1815] cfg80211: remove warning in deauth case

It might be the case that __cfg80211_disconnected() has already
cleaned up wdev->current_bss() for us. The old code didn't catch
that situation and didn't warn needlessly.

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/wireless/mlme.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index a13a7120524..1f87b4e7f4f 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -130,7 +130,6 @@ void __cfg80211_send_deauth(struct net_device *dev,
 	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf;
 	const u8 *bssid = mgmt->bssid;
 	int i;
-	bool done = false;
 
 	ASSERT_WDEV_LOCK(wdev);
 
@@ -138,7 +137,6 @@ void __cfg80211_send_deauth(struct net_device *dev,
 
 	if (wdev->current_bss &&
 	    memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) {
-		done = true;
 		cfg80211_unhold_bss(wdev->current_bss);
 		cfg80211_put_bss(&wdev->current_bss->pub);
 		wdev->current_bss = NULL;
@@ -148,7 +146,6 @@ void __cfg80211_send_deauth(struct net_device *dev,
 			cfg80211_unhold_bss(wdev->auth_bsses[i]);
 			cfg80211_put_bss(&wdev->auth_bsses[i]->pub);
 			wdev->auth_bsses[i] = NULL;
-			done = true;
 			break;
 		}
 		if (wdev->authtry_bsses[i] &&
@@ -156,13 +153,10 @@ void __cfg80211_send_deauth(struct net_device *dev,
 			cfg80211_unhold_bss(wdev->authtry_bsses[i]);
 			cfg80211_put_bss(&wdev->authtry_bsses[i]->pub);
 			wdev->authtry_bsses[i] = NULL;
-			done = true;
 			break;
 		}
 	}
 
-	WARN_ON(!done);
-
 	if (wdev->sme_state == CFG80211_SME_CONNECTED) {
 		u16 reason_code;
 		bool from_ap;
-- 
GitLab


From 40f54242ae2d2b958b6ae7644f58de9e8a48992a Mon Sep 17 00:00:00 2001
From: Kalle Valo <kalle.valo@nokia.com>
Date: Tue, 13 Oct 2009 20:41:20 +0300
Subject: [PATCH 0523/1815] wl1251: rename spi device to wl1251

During rename of the driver from wl12xx to wl1251 the spi device name
was accidentally left as wl12xx. Rename it to wl1251 which is the proper
name of the driver.

Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1251_main.c | 2 +-
 drivers/net/wireless/wl12xx/wl1251_spi.c  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1251_main.c b/drivers/net/wireless/wl12xx/wl1251_main.c
index 1103256ad98..23ac5030375 100644
--- a/drivers/net/wireless/wl12xx/wl1251_main.c
+++ b/drivers/net/wireless/wl12xx/wl1251_main.c
@@ -1426,4 +1426,4 @@ EXPORT_SYMBOL_GPL(wl1251_free_hw);
 MODULE_DESCRIPTION("TI wl1251 Wireles LAN Driver Core");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Kalle Valo <kalle.valo@nokia.com>");
-MODULE_ALIAS("spi:wl12xx");
+MODULE_ALIAS("spi:wl1251");
diff --git a/drivers/net/wireless/wl12xx/wl1251_spi.c b/drivers/net/wireless/wl12xx/wl1251_spi.c
index 14eff2b3d4c..2cf8a2169d4 100644
--- a/drivers/net/wireless/wl12xx/wl1251_spi.c
+++ b/drivers/net/wireless/wl12xx/wl1251_spi.c
@@ -307,7 +307,7 @@ static int __devexit wl1251_spi_remove(struct spi_device *spi)
 
 static struct spi_driver wl1251_spi_driver = {
 	.driver = {
-		.name		= "wl12xx",
+		.name		= "wl1251",
 		.bus		= &spi_bus_type,
 		.owner		= THIS_MODULE,
 	},
-- 
GitLab


From 6d898b1983b62ad52f862014748ddce35aad005a Mon Sep 17 00:00:00 2001
From: Holger Schurig <hs4233@mail.mn-solutions.de>
Date: Wed, 14 Oct 2009 16:49:53 +0200
Subject: [PATCH 0524/1815] libertas: make __lbs_cmd_async() non-static

This function will be needed for the cfg80211-enabled libertas driver.

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/cmd.c | 2 +-
 drivers/net/wireless/libertas/cmd.h | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index 0fb312576b8..eb0bce338e5 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -2118,7 +2118,7 @@ int lbs_set_power_adapt_cfg(struct lbs_private *priv, int enable, int8_t p0,
 }
 
 
-static struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv,
+struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv,
 	uint16_t command, struct cmd_header *in_cmd, int in_cmd_size,
 	int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
 	unsigned long callback_arg)
diff --git a/drivers/net/wireless/libertas/cmd.h b/drivers/net/wireless/libertas/cmd.h
index 392e578ca09..2730c6aadfd 100644
--- a/drivers/net/wireless/libertas/cmd.h
+++ b/drivers/net/wireless/libertas/cmd.h
@@ -26,6 +26,11 @@ int __lbs_cmd(struct lbs_private *priv, uint16_t command,
 	      int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
 	      unsigned long callback_arg);
 
+struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv,
+	uint16_t command, struct cmd_header *in_cmd, int in_cmd_size,
+	int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
+	unsigned long callback_arg);
+
 int lbs_set_power_adapt_cfg(struct lbs_private *priv, int enable, int8_t p0,
 		int8_t p1, int8_t p2);
 
-- 
GitLab


From e307fcf0a10f9c0c21b3d8b2ff7862b29796cc7f Mon Sep 17 00:00:00 2001
From: Marek Lindner <lindner_marek@yahoo.de>
Date: Wed, 14 Oct 2009 23:04:45 +0800
Subject: [PATCH 0525/1815] ath9k: adjust ahb callbacks to new struct layout to
 avoid compile errors

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/ahb.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ahb.c b/drivers/net/wireless/ath/ath9k/ahb.c
index 33c9e816718..25531f231b6 100644
--- a/drivers/net/wireless/ath/ath9k/ahb.c
+++ b/drivers/net/wireless/ath/ath9k/ahb.c
@@ -29,15 +29,13 @@ static void ath_ahb_read_cachesize(struct ath_common *common, int *csz)
 
 static void ath_ahb_cleanup(struct ath_common *common)
 {
-	struct ath_hw *ah = (struct ath_hw *) common->ah;
-	struct ath_softc *sc = ah->ah_sc;
+	struct ath_softc *sc = (struct ath_softc *)common->priv;
 	iounmap(sc->mem);
 }
 
 static bool ath_ahb_eeprom_read(struct ath_common *common, u32 off, u16 *data)
 {
-	struct ath_hw *ah = (struct ath_hw *) common->ah;
-	struct ath_softc *sc = ah->ah_sc;
+	struct ath_softc *sc = (struct ath_softc *)common->priv;
 	struct platform_device *pdev = to_platform_device(sc->dev);
 	struct ath9k_platform_data *pdata;
 
-- 
GitLab


From e5e2647fd6ceef2cdc479954b84517535eb7febd Mon Sep 17 00:00:00 2001
From: Bob Copeland <me@bobcopeland.com>
Date: Wed, 14 Oct 2009 14:16:30 -0400
Subject: [PATCH 0526/1815] ath5k: use noise calibration from madwifi hal

This updates ath5k to calibrate the noise floor similar to the
way it is done in the madwifi hal and ath9k.  Of note:

- we start NF measurement at the same time as AGC calibration,
  but do not actually read the value until the periodic (long)
  calibration
- we keep a history of the last few values read and write the
  median back to the hardware for CCA
- we do not complain if NF calibration isn't complete, instead
  we keep the last read value.

Signed-off-by: Bob Copeland <me@bobcopeland.com>
Acked-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath5k/ath5k.h  |  13 ++
 drivers/net/wireless/ath/ath5k/attach.c |   2 +
 drivers/net/wireless/ath/ath5k/phy.c    | 185 ++++++++++++++++--------
 drivers/net/wireless/ath/ath5k/reg.h    |  11 +-
 drivers/net/wireless/ath/ath5k/reset.c  |  17 +--
 5 files changed, 148 insertions(+), 80 deletions(-)

diff --git a/drivers/net/wireless/ath/ath5k/ath5k.h b/drivers/net/wireless/ath/ath5k/ath5k.h
index 647d826bf5f..6a2a9676111 100644
--- a/drivers/net/wireless/ath/ath5k/ath5k.h
+++ b/drivers/net/wireless/ath/ath5k/ath5k.h
@@ -198,6 +198,7 @@
 #define AR5K_TUNE_CWMAX_11B			1023
 #define AR5K_TUNE_CWMAX_XR			7
 #define AR5K_TUNE_NOISE_FLOOR			-72
+#define AR5K_TUNE_CCA_MAX_GOOD_VALUE		-95
 #define AR5K_TUNE_MAX_TXPOWER			63
 #define AR5K_TUNE_DEFAULT_TXPOWER		25
 #define AR5K_TUNE_TPC_TXPOWER			false
@@ -1006,6 +1007,14 @@ struct ath5k_capabilities {
 	} cap_queues;
 };
 
+/* size of noise floor history (keep it a power of two) */
+#define ATH5K_NF_CAL_HIST_MAX	8
+struct ath5k_nfcal_hist
+{
+	s16 index;				/* current index into nfval */
+	s16 nfval[ATH5K_NF_CAL_HIST_MAX];	/* last few noise floors */
+};
+
 
 /***************************************\
   HARDWARE ABSTRACTION LAYER STRUCTURE
@@ -1112,6 +1121,8 @@ struct ath5k_hw {
 		struct ieee80211_channel r_last_channel;
 	} ah_radar;
 
+	struct ath5k_nfcal_hist ah_nfcal_hist;
+
 	/* noise floor from last periodic calibration */
 	s32			ah_noise_floor;
 
@@ -1274,8 +1285,10 @@ extern int ath5k_hw_rfgain_opt_init(struct ath5k_hw *ah);
 extern bool ath5k_channel_ok(struct ath5k_hw *ah, u16 freq, unsigned int flags);
 extern int ath5k_hw_channel(struct ath5k_hw *ah, struct ieee80211_channel *channel);
 /* PHY calibration */
+void ath5k_hw_init_nfcal_hist(struct ath5k_hw *ah);
 extern int ath5k_hw_phy_calibrate(struct ath5k_hw *ah, struct ieee80211_channel *channel);
 extern int ath5k_hw_noise_floor_calibration(struct ath5k_hw *ah, short freq);
+extern s16 ath5k_hw_get_noise_floor(struct ath5k_hw *ah);
 extern void ath5k_hw_calibration_poll(struct ath5k_hw *ah);
 /* Spur mitigation */
 bool ath5k_hw_chan_has_spur_noise(struct ath5k_hw *ah,
diff --git a/drivers/net/wireless/ath/ath5k/attach.c b/drivers/net/wireless/ath/ath5k/attach.c
index 92995adeb5c..42284445b75 100644
--- a/drivers/net/wireless/ath/ath5k/attach.c
+++ b/drivers/net/wireless/ath/ath5k/attach.c
@@ -331,6 +331,8 @@ int ath5k_hw_attach(struct ath5k_softc *sc)
 
 	ath5k_hw_rfgain_opt_init(ah);
 
+	ath5k_hw_init_nfcal_hist(ah);
+
 	/* turn on HW LEDs */
 	ath5k_hw_set_ledstate(ah, AR5K_LED_INIT);
 
diff --git a/drivers/net/wireless/ath/ath5k/phy.c b/drivers/net/wireless/ath/ath5k/phy.c
index 1a039f2bd73..895990751d3 100644
--- a/drivers/net/wireless/ath/ath5k/phy.c
+++ b/drivers/net/wireless/ath/ath5k/phy.c
@@ -1124,77 +1124,148 @@ ath5k_hw_calibration_poll(struct ath5k_hw *ah)
 		ah->ah_swi_mask = AR5K_SWI_FULL_CALIBRATION;
 		AR5K_REG_ENABLE_BITS(ah, AR5K_CR, AR5K_CR_SWI);
 	}
+}
 
+static int sign_extend(int val, const int nbits)
+{
+	int order = BIT(nbits-1);
+	return (val ^ order) - order;
 }
 
-/**
- * ath5k_hw_noise_floor_calibration - perform PHY noise floor calibration
- *
- * @ah: struct ath5k_hw pointer we are operating on
- * @freq: the channel frequency, just used for error logging
- *
- * This function performs a noise floor calibration of the PHY and waits for
- * it to complete. Then the noise floor value is compared to some maximum
- * noise floor we consider valid.
- *
- * Note that this is different from what the madwifi HAL does: it reads the
- * noise floor and afterwards initiates the calibration. Since the noise floor
- * calibration can take some time to finish, depending on the current channel
- * use, that avoids the occasional timeout warnings we are seeing now.
- *
- * See the following link for an Atheros patent on noise floor calibration:
- * http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL \
- * &p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=7245893.PN.&OS=PN/7
+static s32 ath5k_hw_read_measured_noise_floor(struct ath5k_hw *ah)
+{
+	s32 val;
+
+	val = ath5k_hw_reg_read(ah, AR5K_PHY_NF);
+	return sign_extend(AR5K_REG_MS(val, AR5K_PHY_NF_MINCCA_PWR), 9);
+}
+
+void ath5k_hw_init_nfcal_hist(struct ath5k_hw *ah)
+{
+	int i;
+
+	ah->ah_nfcal_hist.index = 0;
+	for (i = 0; i < ATH5K_NF_CAL_HIST_MAX; i++)
+		ah->ah_nfcal_hist.nfval[i] = AR5K_TUNE_CCA_MAX_GOOD_VALUE;
+}
+
+static void ath5k_hw_update_nfcal_hist(struct ath5k_hw *ah, s16 noise_floor)
+{
+	struct ath5k_nfcal_hist *hist = &ah->ah_nfcal_hist;
+	hist->index = (hist->index + 1) & (ATH5K_NF_CAL_HIST_MAX-1);
+	hist->nfval[hist->index] = noise_floor;
+}
+
+static s16 ath5k_hw_get_median_noise_floor(struct ath5k_hw *ah)
+{
+	s16 sort[ATH5K_NF_CAL_HIST_MAX];
+	s16 tmp;
+	int i, j;
+
+	memcpy(sort, ah->ah_nfcal_hist.nfval, sizeof(sort));
+	for (i = 0; i < ATH5K_NF_CAL_HIST_MAX - 1; i++) {
+		for (j = 1; j < ATH5K_NF_CAL_HIST_MAX - i; j++) {
+			if (sort[j] > sort[j-1]) {
+				tmp = sort[j];
+				sort[j] = sort[j-1];
+				sort[j-1] = tmp;
+			}
+		}
+	}
+	for (i = 0; i < ATH5K_NF_CAL_HIST_MAX; i++) {
+		ATH5K_DBG(ah->ah_sc, ATH5K_DEBUG_CALIBRATE,
+			"cal %d:%d\n", i, sort[i]);
+	}
+	return sort[(ATH5K_NF_CAL_HIST_MAX-1) / 2];
+}
+
+/*
+ * When we tell the hardware to perform a noise floor calibration
+ * by setting the AR5K_PHY_AGCCTL_NF bit, it will periodically
+ * sample-and-hold the minimum noise level seen at the antennas.
+ * This value is then stored in a ring buffer of recently measured
+ * noise floor values so we have a moving window of the last few
+ * samples.
  *
- * XXX: Since during noise floor calibration antennas are detached according to
- * the patent, we should stop tx queues here.
+ * The median of the values in the history is then loaded into the
+ * hardware for its own use for RSSI and CCA measurements.
  */
-int
-ath5k_hw_noise_floor_calibration(struct ath5k_hw *ah, short freq)
+void ath5k_hw_update_noise_floor(struct ath5k_hw *ah)
 {
-	int ret;
-	unsigned int i;
-	s32 noise_floor;
+	struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
+	u32 val;
+	s16 nf, threshold;
+	u8 ee_mode;
 
-	/*
-	 * Enable noise floor calibration
-	 */
-	AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_AGCCTL,
-				AR5K_PHY_AGCCTL_NF);
+	/* keep last value if calibration hasn't completed */
+	if (ath5k_hw_reg_read(ah, AR5K_PHY_AGCCTL) & AR5K_PHY_AGCCTL_NF) {
+		ATH5K_DBG(ah->ah_sc, ATH5K_DEBUG_CALIBRATE,
+			"NF did not complete in calibration window\n");
 
-	ret = ath5k_hw_register_timeout(ah, AR5K_PHY_AGCCTL,
-			AR5K_PHY_AGCCTL_NF, 0, false);
-	if (ret) {
-		ATH5K_ERR(ah->ah_sc,
-			"noise floor calibration timeout (%uMHz)\n", freq);
-		return -EAGAIN;
+		return;
 	}
 
-	/* Wait until the noise floor is calibrated and read the value */
-	for (i = 20; i > 0; i--) {
-		mdelay(1);
-		noise_floor = ath5k_hw_reg_read(ah, AR5K_PHY_NF);
-		noise_floor = AR5K_PHY_NF_RVAL(noise_floor);
-		if (noise_floor & AR5K_PHY_NF_ACTIVE) {
-			noise_floor = AR5K_PHY_NF_AVAL(noise_floor);
-
-			if (noise_floor <= AR5K_TUNE_NOISE_FLOOR)
-				break;
-		}
+	switch (ah->ah_current_channel->hw_value & CHANNEL_MODES) {
+	case CHANNEL_A:
+	case CHANNEL_T:
+	case CHANNEL_XR:
+		ee_mode = AR5K_EEPROM_MODE_11A;
+		break;
+	case CHANNEL_G:
+	case CHANNEL_TG:
+		ee_mode = AR5K_EEPROM_MODE_11G;
+		break;
+	default:
+	case CHANNEL_B:
+		ee_mode = AR5K_EEPROM_MODE_11B;
+		break;
 	}
 
-	ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_CALIBRATE,
-		"noise floor %d\n", noise_floor);
 
-	if (noise_floor > AR5K_TUNE_NOISE_FLOOR) {
-		ATH5K_ERR(ah->ah_sc,
-			"noise floor calibration failed (%uMHz)\n", freq);
-		return -EAGAIN;
+	/* completed NF calibration, test threshold */
+	nf = ath5k_hw_read_measured_noise_floor(ah);
+	threshold = ee->ee_noise_floor_thr[ee_mode];
+
+	if (nf > threshold) {
+		ATH5K_DBG(ah->ah_sc, ATH5K_DEBUG_CALIBRATE,
+			"noise floor failure detected; "
+			"read %d, threshold %d\n",
+			nf, threshold);
+
+		nf = AR5K_TUNE_CCA_MAX_GOOD_VALUE;
 	}
 
-	ah->ah_noise_floor = noise_floor;
+	ath5k_hw_update_nfcal_hist(ah, nf);
+	nf = ath5k_hw_get_median_noise_floor(ah);
 
-	return 0;
+	/* load noise floor (in .5 dBm) so the hardware will use it */
+	val = ath5k_hw_reg_read(ah, AR5K_PHY_NF) & ~AR5K_PHY_NF_M;
+	val |= (nf * 2) & AR5K_PHY_NF_M;
+	ath5k_hw_reg_write(ah, val, AR5K_PHY_NF);
+
+	AR5K_REG_MASKED_BITS(ah, AR5K_PHY_AGCCTL, AR5K_PHY_AGCCTL_NF,
+		~(AR5K_PHY_AGCCTL_NF_EN | AR5K_PHY_AGCCTL_NF_NOUPDATE));
+
+	ath5k_hw_register_timeout(ah, AR5K_PHY_AGCCTL, AR5K_PHY_AGCCTL_NF,
+		0, false);
+
+	/*
+	 * Load a high max CCA Power value (-50 dBm in .5 dBm units)
+	 * so that we're not capped by the median we just loaded.
+	 * This will be used as the initial value for the next noise
+	 * floor calibration.
+	 */
+	val = (val & ~AR5K_PHY_NF_M) | ((-50 * 2) & AR5K_PHY_NF_M);
+	ath5k_hw_reg_write(ah, val, AR5K_PHY_NF);
+	AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_AGCCTL,
+		AR5K_PHY_AGCCTL_NF_EN |
+		AR5K_PHY_AGCCTL_NF_NOUPDATE |
+		AR5K_PHY_AGCCTL_NF);
+
+	ah->ah_noise_floor = nf;
+
+	ATH5K_DBG(ah->ah_sc, ATH5K_DEBUG_CALIBRATE,
+		"noise floor calibrated: %d\n", nf);
 }
 
 /*
@@ -1287,7 +1358,7 @@ static int ath5k_hw_rf5110_calibrate(struct ath5k_hw *ah,
 		return ret;
 	}
 
-	ath5k_hw_noise_floor_calibration(ah, channel->center_freq);
+	ath5k_hw_update_noise_floor(ah);
 
 	/*
 	 * Re-enable RX/TX and beacons
@@ -1360,7 +1431,7 @@ done:
 	 * since noise floor calibration interrupts rx path while I/Q
 	 * calibration doesn't. We don't need to run noise floor calibration
 	 * as often as I/Q calibration.*/
-	ath5k_hw_noise_floor_calibration(ah, channel->center_freq);
+	ath5k_hw_update_noise_floor(ah);
 
 	/* Initiate a gain_F calibration */
 	ath5k_hw_request_rfgain_probe(ah);
diff --git a/drivers/net/wireless/ath/ath5k/reg.h b/drivers/net/wireless/ath/ath5k/reg.h
index 64227abe3c2..4cb9c5df9f4 100644
--- a/drivers/net/wireless/ath/ath5k/reg.h
+++ b/drivers/net/wireless/ath/ath5k/reg.h
@@ -2033,17 +2033,14 @@
 #define	AR5K_PHY_AGCCTL_NF_NOUPDATE	0x00020000	/* Don't update nf automaticaly */
 
 /*
- * PHY noise floor status register
+ * PHY noise floor status register (CCA = Clear Channel Assessment)
  */
 #define AR5K_PHY_NF			0x9864			/* Register address */
-#define AR5K_PHY_NF_M			0x000001ff	/* Noise floor mask */
-#define AR5K_PHY_NF_ACTIVE		0x00000100	/* Noise floor calibration still active */
-#define AR5K_PHY_NF_RVAL(_n)		(((_n) >> 19) & AR5K_PHY_NF_M)
-#define AR5K_PHY_NF_AVAL(_n)		(-((_n) ^ AR5K_PHY_NF_M) + 1)
-#define AR5K_PHY_NF_SVAL(_n)		(((_n) & AR5K_PHY_NF_M) | (1 << 9))
+#define AR5K_PHY_NF_M			0x000001ff	/* Noise floor, written to hardware in 1/2 dBm units */
+#define AR5K_PHY_NF_SVAL(_n)           (((_n) & AR5K_PHY_NF_M) | (1 << 9))
 #define	AR5K_PHY_NF_THRESH62		0x0007f000	/* Thresh62 -check ANI patent- (field) */
 #define	AR5K_PHY_NF_THRESH62_S		12
-#define	AR5K_PHY_NF_MINCCA_PWR		0x0ff80000	/* ??? */
+#define	AR5K_PHY_NF_MINCCA_PWR		0x0ff80000	/* Minimum measured noise level, read from hardware in 1 dBm units */
 #define	AR5K_PHY_NF_MINCCA_PWR_S	19
 
 /*
diff --git a/drivers/net/wireless/ath/ath5k/reset.c b/drivers/net/wireless/ath/ath5k/reset.c
index 3dab3d856d7..62954fc7786 100644
--- a/drivers/net/wireless/ath/ath5k/reset.c
+++ b/drivers/net/wireless/ath/ath5k/reset.c
@@ -1293,7 +1293,7 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
 	 * out and/or noise floor calibration might timeout.
 	 */
 	AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_AGCCTL,
-				AR5K_PHY_AGCCTL_CAL);
+				AR5K_PHY_AGCCTL_CAL | AR5K_PHY_AGCCTL_NF);
 
 	/* At the same time start I/Q calibration for QAM constellation
 	 * -no need for CCK- */
@@ -1314,21 +1314,6 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
 			channel->center_freq);
 	}
 
-	/*
-	 * If we run NF calibration before AGC, it always times out.
-	 * Binary HAL starts NF and AGC calibration at the same time
-	 * and only waits for AGC to finish. Also if AGC or NF cal.
-	 * times out, reset doesn't fail on binary HAL. I believe
-	 * that's wrong because since rx path is routed to a detector,
-	 * if cal. doesn't finish we won't have RX. Sam's HAL for AR5210/5211
-	 * enables noise floor calibration after offset calibration and if noise
-	 * floor calibration fails, reset fails. I believe that's
-	 * a better approach, we just need to find a polling interval
-	 * that suits best, even if reset continues we need to make
-	 * sure that rx path is ready.
-	 */
-	ath5k_hw_noise_floor_calibration(ah, channel->center_freq);
-
 	/* Restore antenna mode */
 	ath5k_hw_set_antenna_mode(ah, ah->ah_ant_mode);
 
-- 
GitLab


From 53623f1a09c7a7d23b74f0f7d93dba0ebde1006b Mon Sep 17 00:00:00 2001
From: "John W. Linville" <linville@tuxdriver.com>
Date: Thu, 15 Oct 2009 15:10:16 -0400
Subject: [PATCH 0527/1815] mac80211: replace
 netif_tx_{start,stop,wake}_all_queues

Replace netif_tx_{start,stop,wake}_all_queues with the single-queue
equivalents (i.e. netif_{start,stop,wake}_queue).  Since we are down to
a single queue, these should peform slightly better.

Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/iface.c |  4 ++--
 net/mac80211/mlme.c  |  4 ++--
 net/mac80211/scan.c  | 10 +++++-----
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 87aff1d923b..14f10eb91c5 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -314,7 +314,7 @@ static int ieee80211_open(struct net_device *dev)
 	if (sdata->vif.type == NL80211_IFTYPE_STATION)
 		ieee80211_queue_work(&local->hw, &sdata->u.mgd.work);
 
-	netif_tx_start_all_queues(dev);
+	netif_start_queue(dev);
 
 	return 0;
  err_del_interface:
@@ -343,7 +343,7 @@ static int ieee80211_stop(struct net_device *dev)
 	/*
 	 * Stop TX on this interface first.
 	 */
-	netif_tx_stop_all_queues(dev);
+	netif_stop_queue(dev);
 
 	/*
 	 * Now delete all active aggregation sessions.
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 33a696f5f30..71220a5d140 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -929,7 +929,7 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
 	ieee80211_recalc_ps(local, -1);
 	mutex_unlock(&local->iflist_mtx);
 
-	netif_tx_start_all_queues(sdata->dev);
+	netif_start_queue(sdata->dev);
 	netif_carrier_on(sdata->dev);
 }
 
@@ -1061,7 +1061,7 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
 	 * time -- we don't want the scan code to enable queues.
 	 */
 
-	netif_tx_stop_all_queues(sdata->dev);
+	netif_stop_queue(sdata->dev);
 	netif_carrier_off(sdata->dev);
 
 	rcu_read_lock();
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 71e10cabf81..7a350d2690a 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -306,10 +306,10 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
 		if (sdata->vif.type == NL80211_IFTYPE_STATION) {
 			if (sdata->u.mgd.associated) {
 				ieee80211_scan_ps_disable(sdata);
-				netif_tx_wake_all_queues(sdata->dev);
+				netif_wake_queue(sdata->dev);
 			}
 		} else
-			netif_tx_wake_all_queues(sdata->dev);
+			netif_wake_queue(sdata->dev);
 
 		/* re-enable beaconing */
 		if (sdata->vif.type == NL80211_IFTYPE_AP ||
@@ -364,7 +364,7 @@ static int ieee80211_start_sw_scan(struct ieee80211_local *local)
 		 * are handled in the scan state machine
 		 */
 		if (sdata->vif.type != NL80211_IFTYPE_STATION)
-			netif_tx_stop_all_queues(sdata->dev);
+			netif_stop_queue(sdata->dev);
 	}
 	mutex_unlock(&local->iflist_mtx);
 
@@ -523,7 +523,7 @@ static void ieee80211_scan_state_leave_oper_channel(struct ieee80211_local *loca
 			continue;
 
 		if (sdata->vif.type == NL80211_IFTYPE_STATION) {
-			netif_tx_stop_all_queues(sdata->dev);
+			netif_stop_queue(sdata->dev);
 			if (sdata->u.mgd.associated)
 				ieee80211_scan_ps_enable(sdata);
 		}
@@ -558,7 +558,7 @@ static void ieee80211_scan_state_enter_oper_channel(struct ieee80211_local *loca
 		if (sdata->vif.type == NL80211_IFTYPE_STATION) {
 			if (sdata->u.mgd.associated)
 				ieee80211_scan_ps_disable(sdata);
-			netif_tx_wake_all_queues(sdata->dev);
+			netif_wake_queue(sdata->dev);
 		}
 	}
 	mutex_unlock(&local->iflist_mtx);
-- 
GitLab


From 7a38079e0da19447ab1c41e42094b311c6e945e4 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Thu, 15 Oct 2009 10:33:26 +0300
Subject: [PATCH 0528/1815] wl1271: Set IEEE80211_FCTL_TODS in the null data
 template
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Set the IEEE80211_FCTL_TODS bit in the FC of the null data template.
This is a mandatory requirement in specification.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Cc: Vidhya Govindan <vidhya.govindan@nokia.com>
Cc: Janne Ylälehto <janne.ylalehto@nokia.com>
Reviewed-by: Janne Ylalehto <janne.ylalehto@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_cmd.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c
index fe4f1e64512..1d64aa47a63 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.c
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c
@@ -769,7 +769,8 @@ int wl1271_cmd_build_null_data(struct wl1271 *wl)
 
 	memcpy(template.header.sa, wl->mac_addr, ETH_ALEN);
 	template.header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_DATA |
-						IEEE80211_STYPE_NULLFUNC);
+						IEEE80211_STYPE_NULLFUNC |
+						IEEE80211_FCTL_TODS);
 
 	return wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, &template,
 				       sizeof(template));
-- 
GitLab


From 938e30c9301fbd7c3677d01ad01c7eb4ad78b998 Mon Sep 17 00:00:00 2001
From: Luciano Coelho <luciano.coelho@nokia.com>
Date: Thu, 15 Oct 2009 10:33:27 +0300
Subject: [PATCH 0529/1815] wl1271: fix sparse warnings about undeclared
 functions

The following sparse warnings were fixed:

drivers/net/wireless/wl12xx/wl1271_spi.c:199:6: warning: symbol 'wl1271_spi_read_busy' was not declared. Should it be static?
drivers/net/wireless/wl12xx/wl1271_cmd.c:84:5: warning: symbol 'wl1271_cmd_cal_channel_tune' was not declared. Should it be static?
drivers/net/wireless/wl12xx/wl1271_cmd.c:107:5: warning: symbol 'wl1271_cmd_cal_update_ref_point' was not declared. Should it be static?
drivers/net/wireless/wl12xx/wl1271_cmd.c:132:5: warning: symbol 'wl1271_cmd_cal_p2g' was not declared. Should it be static?
drivers/net/wireless/wl12xx/wl1271_cmd.c:153:5: warning: symbol 'wl1271_cmd_cal' was not declared. Should it be static?

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_cmd.c | 8 ++++----
 drivers/net/wireless/wl12xx/wl1271_spi.c | 5 ++++-
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c
index 1d64aa47a63..195eee70e36 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.c
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c
@@ -81,7 +81,7 @@ out:
 	return ret;
 }
 
-int wl1271_cmd_cal_channel_tune(struct wl1271 *wl)
+static int wl1271_cmd_cal_channel_tune(struct wl1271 *wl)
 {
 	struct wl1271_cmd_cal_channel_tune *cmd;
 	int ret = 0;
@@ -104,7 +104,7 @@ int wl1271_cmd_cal_channel_tune(struct wl1271 *wl)
 	return ret;
 }
 
-int wl1271_cmd_cal_update_ref_point(struct wl1271 *wl)
+static int wl1271_cmd_cal_update_ref_point(struct wl1271 *wl)
 {
 	struct wl1271_cmd_cal_update_ref_point *cmd;
 	int ret = 0;
@@ -129,7 +129,7 @@ int wl1271_cmd_cal_update_ref_point(struct wl1271 *wl)
 	return ret;
 }
 
-int wl1271_cmd_cal_p2g(struct wl1271 *wl)
+static int wl1271_cmd_cal_p2g(struct wl1271 *wl)
 {
 	struct wl1271_cmd_cal_p2g *cmd;
 	int ret = 0;
@@ -150,7 +150,7 @@ int wl1271_cmd_cal_p2g(struct wl1271 *wl)
 	return ret;
 }
 
-int wl1271_cmd_cal(struct wl1271 *wl)
+static int wl1271_cmd_cal(struct wl1271 *wl)
 {
 	/*
 	 * FIXME: we must make sure that we're not sleeping when calibration
diff --git a/drivers/net/wireless/wl12xx/wl1271_spi.c b/drivers/net/wireless/wl12xx/wl1271_spi.c
index 3c5aa584574..02978a16e73 100644
--- a/drivers/net/wireless/wl12xx/wl1271_spi.c
+++ b/drivers/net/wireless/wl12xx/wl1271_spi.c
@@ -196,7 +196,9 @@ int wl1271_set_partition(struct wl1271 *wl,
 
 #define WL1271_BUSY_WORD_TIMEOUT 1000
 
-void wl1271_spi_read_busy(struct wl1271 *wl, void *buf, size_t len)
+/* FIXME: Check busy words, removed due to SPI bug */
+#if 0
+static void wl1271_spi_read_busy(struct wl1271 *wl, void *buf, size_t len)
 {
 	struct spi_transfer t[1];
 	struct spi_message m;
@@ -256,6 +258,7 @@ void wl1271_spi_read_busy(struct wl1271 *wl, void *buf, size_t len)
 	memset(buf, 0, len);
 	wl1271_error("SPI read busy-word timeout!\n");
 }
+#endif
 
 void wl1271_spi_raw_read(struct wl1271 *wl, int addr, void *buf,
 			 size_t len, bool fixed)
-- 
GitLab


From 0b5b72da1b21fe61926318dd842f6dd7c8862e9f Mon Sep 17 00:00:00 2001
From: Luciano Coelho <luciano.coelho@nokia.com>
Date: Thu, 15 Oct 2009 10:33:28 +0300
Subject: [PATCH 0530/1815] wl1271: added missing packed modifier in some acx
 structs

Some of the struct definitions in the wl1271_acx.h file were missing the
__attribute__ ((packed)) modifier.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_acx.h | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.h b/drivers/net/wireless/wl12xx/wl1271_acx.h
index 15803146d50..5085497d133 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.h
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.h
@@ -75,7 +75,7 @@ struct acx_header {
 
 	/* payload length (not including headers */
 	u16 len;
-};
+} __attribute__ ((packed));
 
 struct acx_error_counter {
 	struct acx_header header;
@@ -390,7 +390,7 @@ struct acx_conn_monit_params {
 
        u32 synch_fail_thold; /* number of beacons missed */
        u32 bss_lose_timeout; /* number of TU's from synch fail */
-};
+} __attribute__ ((packed));
 
 enum {
 	SG_ENABLE = 0,
@@ -420,19 +420,19 @@ struct acx_smart_reflex_state {
 
 	u8 enable;
 	u8 padding[3];
-};
+} __attribute__ ((packed));
 
 struct smart_reflex_err_table {
 	u8 len;
 	s8 upper_limit;
 	s8 values[14];
-};
+} __attribute__ ((packed));
 
 struct acx_smart_reflex_config_params {
 	struct acx_header header;
 
 	struct smart_reflex_err_table error_table[3];
-};
+} __attribute__ ((packed));
 
 #define PTA_ANTENNA_TYPE_DEF		  (0)
 #define PTA_BT_HP_MAXTIME_DEF		  (2000)
-- 
GitLab


From d0f63b202146f3281800ee44823740c8bbf38f11 Mon Sep 17 00:00:00 2001
From: Luciano Coelho <luciano.coelho@nokia.com>
Date: Thu, 15 Oct 2009 10:33:29 +0300
Subject: [PATCH 0531/1815] wl1271: fix endianess issues

We were not handling endianess correctly.  The wl1271 chip runs on
little-endian values.  This patch makes sure that all the communication with
the wl1271 firmware is done in little-endian by using cpu_to_le* and
le*_to_cpu where appropriate.

Also, all the struct definitions for data exchanged with the firmware has
been changed to use __le16/32 types instead of u16/32.

This fixes a few sparse warnings, such as these:

drivers/net/wireless/wl12xx/wl1271_cmd.c:554:42: warning: incorrect type in assignment (different base types)
drivers/net/wireless/wl12xx/wl1271_cmd.c:555:42: warning: incorrect type in assignment (different base types)
drivers/net/wireless/wl12xx/wl1271_cmd.c:577:58: warning: incorrect type in assignment (different base types)
drivers/net/wireless/wl12xx/wl1271_cmd.c:579:58: warning: incorrect type in assignment (different base types)
drivers/net/wireless/wl12xx/wl1271_cmd.c:676:18: warning: incorrect type in assignment (different base types)
drivers/net/wireless/wl12xx/wl1271_cmd.c:787:22: warning: incorrect type in assignment (different base types)
drivers/net/wireless/wl12xx/wl1271_cmd.c:789:21: warning: incorrect type in assignment (different base types)
drivers/net/wireless/wl12xx/wl1271_tx.c:98:47: warning: incorrect type in argument 1 (different base types)
drivers/net/wireless/wl12xx/wl1271_acx.c:932:32: warning: incorrect type in assignment (different base types)
drivers/net/wireless/wl12xx/wl1271_boot.c:191:32: warning: incorrect type in argument 1 (different base types)
drivers/net/wireless/wl12xx/wl1271_boot.c:197:38: warning: incorrect type in argument 1 (different base types)
drivers/net/wireless/wl12xx/wl1271_boot.c:199:37: warning: incorrect type in argument 1 (different base types)
drivers/net/wireless/wl12xx/wl1271_init.c:255:40: warning: incorrect type in assignment (different base types)
drivers/net/wireless/wl12xx/wl1271_init.c:275:53: warning: incorrect type in assignment (different base types)

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271.h       |  10 +-
 drivers/net/wireless/wl12xx/wl1271_acx.c   |  72 +++---
 drivers/net/wireless/wl12xx/wl1271_acx.h   | 286 ++++++++++-----------
 drivers/net/wireless/wl12xx/wl1271_boot.c  |   6 +-
 drivers/net/wireless/wl12xx/wl1271_cmd.c   |  74 +++---
 drivers/net/wireless/wl12xx/wl1271_cmd.h   |  68 ++---
 drivers/net/wireless/wl12xx/wl1271_event.c |   3 +-
 drivers/net/wireless/wl12xx/wl1271_event.h |  28 +-
 drivers/net/wireless/wl12xx/wl1271_init.h  |   4 +-
 drivers/net/wireless/wl12xx/wl1271_main.c  |  12 +-
 drivers/net/wireless/wl12xx/wl1271_rx.c    |  11 +-
 drivers/net/wireless/wl12xx/wl1271_rx.h    |   4 +-
 drivers/net/wireless/wl12xx/wl1271_tx.c    |  22 +-
 drivers/net/wireless/wl12xx/wl1271_tx.h    |  18 +-
 drivers/net/wireless/wl12xx/wl12xx_80211.h |   4 +-
 15 files changed, 318 insertions(+), 304 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h
index 1309b20e4d5..566f1521ec2 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl1271.h
@@ -283,15 +283,15 @@ struct wl1271_debugfs {
 
 /* FW status registers */
 struct wl1271_fw_status {
-	u32 intr;
+	__le32 intr;
 	u8  fw_rx_counter;
 	u8  drv_rx_counter;
 	u8  reserved;
 	u8  tx_results_counter;
-	u32 rx_pkt_descs[NUM_RX_PKT_DESC];
-	u32 tx_released_blks[NUM_TX_QUEUES];
-	u32 fw_localtime;
-	u32 padding[2];
+	__le32 rx_pkt_descs[NUM_RX_PKT_DESC];
+	__le32 tx_released_blks[NUM_TX_QUEUES];
+	__le32 fw_localtime;
+	__le32 padding[2];
 } __attribute__ ((packed));
 
 struct wl1271_rx_mem_pool_addr {
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.c b/drivers/net/wireless/wl12xx/wl1271_acx.c
index e891cd5bd25..bf5a8680a46 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.c
@@ -210,7 +210,7 @@ int wl1271_acx_rx_msdu_life_time(struct wl1271 *wl)
 		goto out;
 	}
 
-	acx->lifetime = wl->conf.rx.rx_msdu_life_time;
+	acx->lifetime = cpu_to_le32(wl->conf.rx.rx_msdu_life_time);
 	ret = wl1271_cmd_configure(wl, DOT11_RX_MSDU_LIFE_TIME,
 				   acx, sizeof(*acx));
 	if (ret < 0) {
@@ -236,8 +236,8 @@ int wl1271_acx_rx_config(struct wl1271 *wl, u32 config, u32 filter)
 		goto out;
 	}
 
-	rx_config->config_options = config;
-	rx_config->filter_options = filter;
+	rx_config->config_options = cpu_to_le32(config);
+	rx_config->filter_options = cpu_to_le32(filter);
 
 	ret = wl1271_cmd_configure(wl, ACX_RX_CFG,
 				   rx_config, sizeof(*rx_config));
@@ -264,7 +264,7 @@ int wl1271_acx_pd_threshold(struct wl1271 *wl)
 		goto out;
 	}
 
-	pd->threshold = wl->conf.rx.packet_detection_threshold;
+	pd->threshold = cpu_to_le32(wl->conf.rx.packet_detection_threshold);
 
 	ret = wl1271_cmd_configure(wl, ACX_PD_THRESHOLD, pd, sizeof(*pd));
 	if (ret < 0) {
@@ -348,8 +348,8 @@ int wl1271_acx_service_period_timeout(struct wl1271 *wl)
 
 	wl1271_debug(DEBUG_ACX, "acx service period timeout");
 
-	rx_timeout->ps_poll_timeout = wl->conf.rx.ps_poll_timeout;
-	rx_timeout->upsd_timeout = wl->conf.rx.upsd_timeout;
+	rx_timeout->ps_poll_timeout = cpu_to_le16(wl->conf.rx.ps_poll_timeout);
+	rx_timeout->upsd_timeout = cpu_to_le16(wl->conf.rx.upsd_timeout);
 
 	ret = wl1271_cmd_configure(wl, ACX_SERVICE_PERIOD_TIMEOUT,
 				   rx_timeout, sizeof(*rx_timeout));
@@ -377,7 +377,7 @@ int wl1271_acx_rts_threshold(struct wl1271 *wl, u16 rts_threshold)
 		goto out;
 	}
 
-	rts->threshold = rts_threshold;
+	rts->threshold = cpu_to_le16(rts_threshold);
 
 	ret = wl1271_cmd_configure(wl, DOT11_RTS_THRESHOLD, rts, sizeof(*rts));
 	if (ret < 0) {
@@ -494,8 +494,8 @@ int wl1271_acx_conn_monit_params(struct wl1271 *wl)
 		goto out;
 	}
 
-	acx->synch_fail_thold = wl->conf.conn.synch_fail_thold;
-	acx->bss_lose_timeout = wl->conf.conn.bss_lose_timeout;
+	acx->synch_fail_thold = cpu_to_le32(wl->conf.conn.synch_fail_thold);
+	acx->bss_lose_timeout = cpu_to_le32(wl->conf.conn.bss_lose_timeout);
 
 	ret = wl1271_cmd_configure(wl, ACX_CONN_MONIT_PARAMS,
 				   acx, sizeof(*acx));
@@ -552,16 +552,18 @@ int wl1271_acx_sg_cfg(struct wl1271 *wl)
 	}
 
 	/* BT-WLAN coext parameters */
-	param->per_threshold = c->per_threshold;
-	param->max_scan_compensation_time = c->max_scan_compensation_time;
-	param->nfs_sample_interval = c->nfs_sample_interval;
+	param->per_threshold = cpu_to_le32(c->per_threshold);
+	param->max_scan_compensation_time =
+		cpu_to_le32(c->max_scan_compensation_time);
+	param->nfs_sample_interval = cpu_to_le16(c->nfs_sample_interval);
 	param->load_ratio = c->load_ratio;
 	param->auto_ps_mode = c->auto_ps_mode;
 	param->probe_req_compensation = c->probe_req_compensation;
 	param->scan_window_compensation = c->scan_window_compensation;
 	param->antenna_config = c->antenna_config;
 	param->beacon_miss_threshold = c->beacon_miss_threshold;
-	param->rate_adaptation_threshold = c->rate_adaptation_threshold;
+	param->rate_adaptation_threshold =
+		cpu_to_le32(c->rate_adaptation_threshold);
 	param->rate_adaptation_snr = c->rate_adaptation_snr;
 
 	ret = wl1271_cmd_configure(wl, ACX_SG_CFG, param, sizeof(*param));
@@ -588,7 +590,7 @@ int wl1271_acx_cca_threshold(struct wl1271 *wl)
 		goto out;
 	}
 
-	detection->rx_cca_threshold = wl->conf.rx.rx_cca_threshold;
+	detection->rx_cca_threshold = cpu_to_le16(wl->conf.rx.rx_cca_threshold);
 	detection->tx_energy_detection = wl->conf.tx.tx_energy_detection;
 
 	ret = wl1271_cmd_configure(wl, ACX_CCA_THRESHOLD,
@@ -616,8 +618,8 @@ int wl1271_acx_bcn_dtim_options(struct wl1271 *wl)
 		goto out;
 	}
 
-	bb->beacon_rx_timeout = wl->conf.conn.beacon_rx_timeout;
-	bb->broadcast_timeout = wl->conf.conn.broadcast_timeout;
+	bb->beacon_rx_timeout = cpu_to_le16(wl->conf.conn.beacon_rx_timeout);
+	bb->broadcast_timeout = cpu_to_le16(wl->conf.conn.broadcast_timeout);
 	bb->rx_broadcast_in_ps = wl->conf.conn.rx_broadcast_in_ps;
 	bb->ps_poll_threshold = wl->conf.conn.ps_poll_threshold;
 
@@ -645,7 +647,7 @@ int wl1271_acx_aid(struct wl1271 *wl, u16 aid)
 		goto out;
 	}
 
-	acx_aid->aid = aid;
+	acx_aid->aid = cpu_to_le16(aid);
 
 	ret = wl1271_cmd_configure(wl, ACX_AID, acx_aid, sizeof(*acx_aid));
 	if (ret < 0) {
@@ -672,9 +674,8 @@ int wl1271_acx_event_mbox_mask(struct wl1271 *wl, u32 event_mask)
 	}
 
 	/* high event mask is unused */
-	mask->high_event_mask = 0xffffffff;
-
-	mask->event_mask = event_mask;
+	mask->high_event_mask = cpu_to_le32(0xffffffff);
+	mask->event_mask = cpu_to_le32(event_mask);
 
 	ret = wl1271_cmd_configure(wl, ACX_EVENT_MBOX_MASK,
 				   mask, sizeof(*mask));
@@ -773,8 +774,8 @@ int wl1271_acx_rate_policies(struct wl1271 *wl, u32 enabled_rates)
 	}
 
 	/* configure one default (one-size-fits-all) rate class */
-	acx->rate_class_cnt = 1;
-	acx->rate_class[0].enabled_rates = enabled_rates;
+	acx->rate_class_cnt = cpu_to_le32(1);
+	acx->rate_class[0].enabled_rates = cpu_to_le32(enabled_rates);
 	acx->rate_class[0].short_retry_limit = c->short_retry_limit;
 	acx->rate_class[0].long_retry_limit = c->long_retry_limit;
 	acx->rate_class[0].aflags = c->aflags;
@@ -808,10 +809,10 @@ int wl1271_acx_ac_cfg(struct wl1271 *wl)
 		struct conf_tx_ac_category *c = &(wl->conf.tx.ac_conf[i]);
 		acx->ac = c->ac;
 		acx->cw_min = c->cw_min;
-		acx->cw_max = c->cw_max;
+		acx->cw_max = cpu_to_le16(c->cw_max);
 		acx->aifsn = c->aifsn;
 		acx->reserved = 0;
-		acx->tx_op_limit = c->tx_op_limit;
+		acx->tx_op_limit = cpu_to_le16(c->tx_op_limit);
 
 		ret = wl1271_cmd_configure(wl, ACX_AC_CFG, acx, sizeof(*acx));
 		if (ret < 0) {
@@ -847,8 +848,8 @@ int wl1271_acx_tid_cfg(struct wl1271 *wl)
 		acx->tsid = c->tsid;
 		acx->ps_scheme = c->ps_scheme;
 		acx->ack_policy = c->ack_policy;
-		acx->apsd_conf[0] = c->apsd_conf[0];
-		acx->apsd_conf[1] = c->apsd_conf[1];
+		acx->apsd_conf[0] = cpu_to_le32(c->apsd_conf[0]);
+		acx->apsd_conf[1] = cpu_to_le32(c->apsd_conf[1]);
 
 		ret = wl1271_cmd_configure(wl, ACX_TID_CFG, acx, sizeof(*acx));
 		if (ret < 0) {
@@ -876,7 +877,7 @@ int wl1271_acx_frag_threshold(struct wl1271 *wl)
 		goto out;
 	}
 
-	acx->frag_threshold = wl->conf.tx.frag_threshold;
+	acx->frag_threshold = cpu_to_le16(wl->conf.tx.frag_threshold);
 	ret = wl1271_cmd_configure(wl, ACX_FRAG_CFG, acx, sizeof(*acx));
 	if (ret < 0) {
 		wl1271_warning("Setting of frag threshold failed: %d", ret);
@@ -902,8 +903,8 @@ int wl1271_acx_tx_config_options(struct wl1271 *wl)
 		goto out;
 	}
 
-	acx->tx_compl_timeout = wl->conf.tx.tx_compl_timeout;
-	acx->tx_compl_threshold = wl->conf.tx.tx_compl_threshold;
+	acx->tx_compl_timeout = cpu_to_le16(wl->conf.tx.tx_compl_timeout);
+	acx->tx_compl_threshold = cpu_to_le16(wl->conf.tx.tx_compl_threshold);
 	ret = wl1271_cmd_configure(wl, ACX_TX_CONFIG_OPT, acx, sizeof(*acx));
 	if (ret < 0) {
 		wl1271_warning("Setting of tx options failed: %d", ret);
@@ -929,11 +930,11 @@ int wl1271_acx_mem_cfg(struct wl1271 *wl)
 	}
 
 	/* memory config */
-	mem_conf->num_stations = cpu_to_le16(DEFAULT_NUM_STATIONS);
+	mem_conf->num_stations = DEFAULT_NUM_STATIONS;
 	mem_conf->rx_mem_block_num = ACX_RX_MEM_BLOCKS;
 	mem_conf->tx_min_mem_block_num = ACX_TX_MIN_MEM_BLOCKS;
 	mem_conf->num_ssid_profiles = ACX_NUM_SSID_PROFILES;
-	mem_conf->total_tx_descriptors = ACX_TX_DESCRIPTORS;
+	mem_conf->total_tx_descriptors = cpu_to_le32(ACX_TX_DESCRIPTORS);
 
 	ret = wl1271_cmd_configure(wl, ACX_MEM_CFG, mem_conf,
 				   sizeof(*mem_conf));
@@ -973,7 +974,8 @@ int wl1271_acx_init_mem_config(struct wl1271 *wl)
 	}
 
 	/* initialize TX block book keeping */
-	wl->tx_blocks_available = wl->target_mem_map->num_tx_mem_blocks;
+	wl->tx_blocks_available =
+		le32_to_cpu(wl->target_mem_map->num_tx_mem_blocks);
 	wl1271_debug(DEBUG_TX, "available tx blocks: %d",
 		     wl->tx_blocks_available);
 
@@ -993,9 +995,9 @@ int wl1271_acx_init_rx_interrupt(struct wl1271 *wl)
 		goto out;
 	}
 
-	rx_conf->threshold = wl->conf.rx.irq_pkt_threshold;
-	rx_conf->timeout = wl->conf.rx.irq_timeout;
-	rx_conf->mblk_threshold = wl->conf.rx.irq_blk_threshold;
+	rx_conf->threshold = cpu_to_le16(wl->conf.rx.irq_pkt_threshold);
+	rx_conf->timeout = cpu_to_le16(wl->conf.rx.irq_timeout);
+	rx_conf->mblk_threshold = cpu_to_le16(wl->conf.rx.irq_blk_threshold);
 	rx_conf->queue_type = wl->conf.rx.queue_type;
 
 	ret = wl1271_cmd_configure(wl, ACX_RX_CONFIG_OPT, rx_conf,
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.h b/drivers/net/wireless/wl12xx/wl1271_acx.h
index 5085497d133..2ce0a812854 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.h
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.h
@@ -71,10 +71,10 @@ struct acx_header {
 	struct wl1271_cmd_header cmd;
 
 	/* acx (or information element) header */
-	u16 id;
+	__le16 id;
 
 	/* payload length (not including headers */
-	u16 len;
+	__le16 len;
 } __attribute__ ((packed));
 
 struct acx_error_counter {
@@ -83,21 +83,21 @@ struct acx_error_counter {
 	/* The number of PLCP errors since the last time this */
 	/* information element was interrogated. This field is */
 	/* automatically cleared when it is interrogated.*/
-	u32 PLCP_error;
+	__le32 PLCP_error;
 
 	/* The number of FCS errors since the last time this */
 	/* information element was interrogated. This field is */
 	/* automatically cleared when it is interrogated.*/
-	u32 FCS_error;
+	__le32 FCS_error;
 
 	/* The number of MPDUs without PLCP header errors received*/
 	/* since the last time this information element was interrogated. */
 	/* This field is automatically cleared when it is interrogated.*/
-	u32 valid_frame;
+	__le32 valid_frame;
 
 	/* the number of missed sequence numbers in the squentially */
 	/* values of frames seq numbers */
-	u32 seq_num_miss;
+	__le32 seq_num_miss;
 } __attribute__ ((packed));
 
 struct acx_revision {
@@ -126,7 +126,7 @@ struct acx_revision {
 	 *              (1 = first spin, 2 = second spin, and so on).
 	 * bits 24 - 31: Chip ID - The WiLink chip ID.
 	 */
-	u32 hw_version;
+	__le32 hw_version;
 } __attribute__ ((packed));
 
 enum wl1271_psm_mode {
@@ -186,7 +186,7 @@ struct acx_rx_msdu_lifetime {
 	 * The maximum amount of time, in TU, before the
 	 * firmware discards the MSDU.
 	 */
-	u32 lifetime;
+	__le32 lifetime;
 } __attribute__ ((packed));
 
 /*
@@ -273,14 +273,14 @@ struct acx_rx_msdu_lifetime {
 struct acx_rx_config {
 	struct acx_header header;
 
-	u32 config_options;
-	u32 filter_options;
+	__le32 config_options;
+	__le32 filter_options;
 } __attribute__ ((packed));
 
 struct acx_packet_detection {
 	struct acx_header header;
 
-	u32 threshold;
+	__le32 threshold;
 } __attribute__ ((packed));
 
 
@@ -317,14 +317,14 @@ struct acx_dot11_grp_addr_tbl {
 struct acx_rx_timeout {
 	struct acx_header header;
 
-	u16 ps_poll_timeout;
-	u16 upsd_timeout;
+	__le16 ps_poll_timeout;
+	__le16 upsd_timeout;
 } __attribute__ ((packed));
 
 struct acx_rts_threshold {
 	struct acx_header header;
 
-	u16 threshold;
+	__le16 threshold;
 	u8 pad[2];
 } __attribute__ ((packed));
 
@@ -388,8 +388,8 @@ struct acx_beacon_filter_ie_table {
 struct acx_conn_monit_params {
        struct acx_header header;
 
-       u32 synch_fail_thold; /* number of beacons missed */
-       u32 bss_lose_timeout; /* number of TU's from synch fail */
+       __le32 synch_fail_thold; /* number of beacons missed */
+       __le32 bss_lose_timeout; /* number of TU's from synch fail */
 } __attribute__ ((packed));
 
 enum {
@@ -466,16 +466,16 @@ struct acx_smart_reflex_config_params {
 struct acx_bt_wlan_coex_param {
 	struct acx_header header;
 
-	u32 per_threshold;
-	u32 max_scan_compensation_time;
-	u16 nfs_sample_interval;
+	__le32 per_threshold;
+	__le32 max_scan_compensation_time;
+	__le16 nfs_sample_interval;
 	u8 load_ratio;
 	u8 auto_ps_mode;
 	u8 probe_req_compensation;
 	u8 scan_window_compensation;
 	u8 antenna_config;
 	u8 beacon_miss_threshold;
-	u32 rate_adaptation_threshold;
+	__le32 rate_adaptation_threshold;
 	s8 rate_adaptation_snr;
 	u8 padding[3];
 } __attribute__ ((packed));
@@ -484,7 +484,7 @@ struct acx_energy_detection {
 	struct acx_header header;
 
 	/* The RX Clear Channel Assessment threshold in the PHY */
-	u16 rx_cca_threshold;
+	__le16 rx_cca_threshold;
 	u8 tx_energy_detection;
 	u8 pad;
 } __attribute__ ((packed));
@@ -492,8 +492,8 @@ struct acx_energy_detection {
 struct acx_beacon_broadcast {
 	struct acx_header header;
 
-	u16 beacon_rx_timeout;
-	u16 broadcast_timeout;
+	__le16 beacon_rx_timeout;
+	__le16 broadcast_timeout;
 
 	/* Enables receiving of broadcast packets in PS mode */
 	u8 rx_broadcast_in_ps;
@@ -506,8 +506,8 @@ struct acx_beacon_broadcast {
 struct acx_event_mask {
 	struct acx_header header;
 
-	u32 event_mask;
-	u32 high_event_mask; /* Unused */
+	__le32 event_mask;
+	__le32 high_event_mask; /* Unused */
 } __attribute__ ((packed));
 
 #define CFG_RX_FCS		BIT(2)
@@ -551,8 +551,8 @@ struct acx_event_mask {
 struct acx_feature_config {
 	struct acx_header header;
 
-	u32 options;
-	u32 data_flow_options;
+	__le32 options;
+	__le32 data_flow_options;
 } __attribute__ ((packed));
 
 struct acx_current_tx_power {
@@ -576,7 +576,7 @@ struct acx_aid {
 	/*
 	 * To be set when associated with an AP.
 	 */
-	u16 aid;
+	__le16 aid;
 	u8 pad[2];
 } __attribute__ ((packed));
 
@@ -608,152 +608,152 @@ struct acx_ctsprotect {
 } __attribute__ ((packed));
 
 struct acx_tx_statistics {
-	u32 internal_desc_overflow;
+	__le32 internal_desc_overflow;
 }  __attribute__ ((packed));
 
 struct acx_rx_statistics {
-	u32 out_of_mem;
-	u32 hdr_overflow;
-	u32 hw_stuck;
-	u32 dropped;
-	u32 fcs_err;
-	u32 xfr_hint_trig;
-	u32 path_reset;
-	u32 reset_counter;
+	__le32 out_of_mem;
+	__le32 hdr_overflow;
+	__le32 hw_stuck;
+	__le32 dropped;
+	__le32 fcs_err;
+	__le32 xfr_hint_trig;
+	__le32 path_reset;
+	__le32 reset_counter;
 } __attribute__ ((packed));
 
 struct acx_dma_statistics {
-	u32 rx_requested;
-	u32 rx_errors;
-	u32 tx_requested;
-	u32 tx_errors;
+	__le32 rx_requested;
+	__le32 rx_errors;
+	__le32 tx_requested;
+	__le32 tx_errors;
 }  __attribute__ ((packed));
 
 struct acx_isr_statistics {
 	/* host command complete */
-	u32 cmd_cmplt;
+	__le32 cmd_cmplt;
 
 	/* fiqisr() */
-	u32 fiqs;
+	__le32 fiqs;
 
 	/* (INT_STS_ND & INT_TRIG_RX_HEADER) */
-	u32 rx_headers;
+	__le32 rx_headers;
 
 	/* (INT_STS_ND & INT_TRIG_RX_CMPLT) */
-	u32 rx_completes;
+	__le32 rx_completes;
 
 	/* (INT_STS_ND & INT_TRIG_NO_RX_BUF) */
-	u32 rx_mem_overflow;
+	__le32 rx_mem_overflow;
 
 	/* (INT_STS_ND & INT_TRIG_S_RX_RDY) */
-	u32 rx_rdys;
+	__le32 rx_rdys;
 
 	/* irqisr() */
-	u32 irqs;
+	__le32 irqs;
 
 	/* (INT_STS_ND & INT_TRIG_TX_PROC) */
-	u32 tx_procs;
+	__le32 tx_procs;
 
 	/* (INT_STS_ND & INT_TRIG_DECRYPT_DONE) */
-	u32 decrypt_done;
+	__le32 decrypt_done;
 
 	/* (INT_STS_ND & INT_TRIG_DMA0) */
-	u32 dma0_done;
+	__le32 dma0_done;
 
 	/* (INT_STS_ND & INT_TRIG_DMA1) */
-	u32 dma1_done;
+	__le32 dma1_done;
 
 	/* (INT_STS_ND & INT_TRIG_TX_EXC_CMPLT) */
-	u32 tx_exch_complete;
+	__le32 tx_exch_complete;
 
 	/* (INT_STS_ND & INT_TRIG_COMMAND) */
-	u32 commands;
+	__le32 commands;
 
 	/* (INT_STS_ND & INT_TRIG_RX_PROC) */
-	u32 rx_procs;
+	__le32 rx_procs;
 
 	/* (INT_STS_ND & INT_TRIG_PM_802) */
-	u32 hw_pm_mode_changes;
+	__le32 hw_pm_mode_changes;
 
 	/* (INT_STS_ND & INT_TRIG_ACKNOWLEDGE) */
-	u32 host_acknowledges;
+	__le32 host_acknowledges;
 
 	/* (INT_STS_ND & INT_TRIG_PM_PCI) */
-	u32 pci_pm;
+	__le32 pci_pm;
 
 	/* (INT_STS_ND & INT_TRIG_ACM_WAKEUP) */
-	u32 wakeups;
+	__le32 wakeups;
 
 	/* (INT_STS_ND & INT_TRIG_LOW_RSSI) */
-	u32 low_rssi;
+	__le32 low_rssi;
 } __attribute__ ((packed));
 
 struct acx_wep_statistics {
 	/* WEP address keys configured */
-	u32 addr_key_count;
+	__le32 addr_key_count;
 
 	/* default keys configured */
-	u32 default_key_count;
+	__le32 default_key_count;
 
-	u32 reserved;
+	__le32 reserved;
 
 	/* number of times that WEP key not found on lookup */
-	u32 key_not_found;
+	__le32 key_not_found;
 
 	/* number of times that WEP key decryption failed */
-	u32 decrypt_fail;
+	__le32 decrypt_fail;
 
 	/* WEP packets decrypted */
-	u32 packets;
+	__le32 packets;
 
 	/* WEP decrypt interrupts */
-	u32 interrupt;
+	__le32 interrupt;
 } __attribute__ ((packed));
 
 #define ACX_MISSED_BEACONS_SPREAD 10
 
 struct acx_pwr_statistics {
 	/* the amount of enters into power save mode (both PD & ELP) */
-	u32 ps_enter;
+	__le32 ps_enter;
 
 	/* the amount of enters into ELP mode */
-	u32 elp_enter;
+	__le32 elp_enter;
 
 	/* the amount of missing beacon interrupts to the host */
-	u32 missing_bcns;
+	__le32 missing_bcns;
 
 	/* the amount of wake on host-access times */
-	u32 wake_on_host;
+	__le32 wake_on_host;
 
 	/* the amount of wake on timer-expire */
-	u32 wake_on_timer_exp;
+	__le32 wake_on_timer_exp;
 
 	/* the number of packets that were transmitted with PS bit set */
-	u32 tx_with_ps;
+	__le32 tx_with_ps;
 
 	/* the number of packets that were transmitted with PS bit clear */
-	u32 tx_without_ps;
+	__le32 tx_without_ps;
 
 	/* the number of received beacons */
-	u32 rcvd_beacons;
+	__le32 rcvd_beacons;
 
 	/* the number of entering into PowerOn (power save off) */
-	u32 power_save_off;
+	__le32 power_save_off;
 
 	/* the number of entries into power save mode */
-	u16 enable_ps;
+	__le16 enable_ps;
 
 	/*
 	 * the number of exits from power save, not including failed PS
 	 * transitions
 	 */
-	u16 disable_ps;
+	__le16 disable_ps;
 
 	/*
 	 * the number of times the TSF counter was adjusted because
 	 * of drift
 	 */
-	u32 fix_tsf_ps;
+	__le32 fix_tsf_ps;
 
 	/* Gives statistics about the spread continuous missed beacons.
 	 * The 16 LSB are dedicated for the PS mode.
@@ -764,53 +764,53 @@ struct acx_pwr_statistics {
 	 * ...
 	 * cont_miss_bcns_spread[9] - ten and more continuous missed beacons.
 	*/
-	u32 cont_miss_bcns_spread[ACX_MISSED_BEACONS_SPREAD];
+	__le32 cont_miss_bcns_spread[ACX_MISSED_BEACONS_SPREAD];
 
 	/* the number of beacons in awake mode */
-	u32 rcvd_awake_beacons;
+	__le32 rcvd_awake_beacons;
 } __attribute__ ((packed));
 
 struct acx_mic_statistics {
-	u32 rx_pkts;
-	u32 calc_failure;
+	__le32 rx_pkts;
+	__le32 calc_failure;
 } __attribute__ ((packed));
 
 struct acx_aes_statistics {
-	u32 encrypt_fail;
-	u32 decrypt_fail;
-	u32 encrypt_packets;
-	u32 decrypt_packets;
-	u32 encrypt_interrupt;
-	u32 decrypt_interrupt;
+	__le32 encrypt_fail;
+	__le32 decrypt_fail;
+	__le32 encrypt_packets;
+	__le32 decrypt_packets;
+	__le32 encrypt_interrupt;
+	__le32 decrypt_interrupt;
 } __attribute__ ((packed));
 
 struct acx_event_statistics {
-	u32 heart_beat;
-	u32 calibration;
-	u32 rx_mismatch;
-	u32 rx_mem_empty;
-	u32 rx_pool;
-	u32 oom_late;
-	u32 phy_transmit_error;
-	u32 tx_stuck;
+	__le32 heart_beat;
+	__le32 calibration;
+	__le32 rx_mismatch;
+	__le32 rx_mem_empty;
+	__le32 rx_pool;
+	__le32 oom_late;
+	__le32 phy_transmit_error;
+	__le32 tx_stuck;
 } __attribute__ ((packed));
 
 struct acx_ps_statistics {
-	u32 pspoll_timeouts;
-	u32 upsd_timeouts;
-	u32 upsd_max_sptime;
-	u32 upsd_max_apturn;
-	u32 pspoll_max_apturn;
-	u32 pspoll_utilization;
-	u32 upsd_utilization;
+	__le32 pspoll_timeouts;
+	__le32 upsd_timeouts;
+	__le32 upsd_max_sptime;
+	__le32 upsd_max_apturn;
+	__le32 pspoll_max_apturn;
+	__le32 pspoll_utilization;
+	__le32 upsd_utilization;
 } __attribute__ ((packed));
 
 struct acx_rxpipe_statistics {
-	u32 rx_prep_beacon_drop;
-	u32 descr_host_int_trig_rx_data;
-	u32 beacon_buffer_thres_host_int_trig_rx_data;
-	u32 missed_beacon_host_int_trig_rx_data;
-	u32 tx_xfr_host_int_trig_rx_data;
+	__le32 rx_prep_beacon_drop;
+	__le32 descr_host_int_trig_rx_data;
+	__le32 beacon_buffer_thres_host_int_trig_rx_data;
+	__le32 missed_beacon_host_int_trig_rx_data;
+	__le32 tx_xfr_host_int_trig_rx_data;
 } __attribute__ ((packed));
 
 struct acx_statistics {
@@ -830,7 +830,7 @@ struct acx_statistics {
 } __attribute__ ((packed));
 
 struct acx_rate_class {
-	u32 enabled_rates;
+	__le32 enabled_rates;
 	u8 short_retry_limit;
 	u8 long_retry_limit;
 	u8 aflags;
@@ -840,7 +840,7 @@ struct acx_rate_class {
 struct acx_rate_policy {
 	struct acx_header header;
 
-	u32 rate_class_cnt;
+	__le32 rate_class_cnt;
 	struct acx_rate_class rate_class[CONF_TX_MAX_RATE_CLASSES];
 } __attribute__ ((packed));
 
@@ -848,10 +848,10 @@ struct acx_ac_cfg {
 	struct acx_header header;
 	u8 ac;
 	u8 cw_min;
-	u16 cw_max;
+	__le16 cw_max;
 	u8 aifsn;
 	u8 reserved;
-	u16 tx_op_limit;
+	__le16 tx_op_limit;
 } __attribute__ ((packed));
 
 struct acx_tid_config {
@@ -862,19 +862,19 @@ struct acx_tid_config {
 	u8 ps_scheme;
 	u8 ack_policy;
 	u8 padding[3];
-	u32 apsd_conf[2];
+	__le32 apsd_conf[2];
 } __attribute__ ((packed));
 
 struct acx_frag_threshold {
 	struct acx_header header;
-	u16 frag_threshold;
+	__le16 frag_threshold;
 	u8 padding[2];
 } __attribute__ ((packed));
 
 struct acx_tx_config_options {
 	struct acx_header header;
-	u16 tx_compl_timeout;     /* msec */
-	u16 tx_compl_threshold;   /* number of packets */
+	__le16 tx_compl_timeout;     /* msec */
+	__le16 tx_compl_threshold;   /* number of packets */
 } __attribute__ ((packed));
 
 #define ACX_RX_MEM_BLOCKS     64
@@ -889,59 +889,59 @@ struct wl1271_acx_config_memory {
 	u8 tx_min_mem_block_num;
 	u8 num_stations;
 	u8 num_ssid_profiles;
-	u32 total_tx_descriptors;
+	__le32 total_tx_descriptors;
 } __attribute__ ((packed));
 
 struct wl1271_acx_mem_map {
 	struct acx_header header;
 
-	void *code_start;
-	void *code_end;
+	__le32 code_start;
+	__le32 code_end;
 
-	void *wep_defkey_start;
-	void *wep_defkey_end;
+	__le32 wep_defkey_start;
+	__le32 wep_defkey_end;
 
-	void *sta_table_start;
-	void *sta_table_end;
+	__le32 sta_table_start;
+	__le32 sta_table_end;
 
-	void *packet_template_start;
-	void *packet_template_end;
+	__le32 packet_template_start;
+	__le32 packet_template_end;
 
 	/* Address of the TX result interface (control block) */
-	u32 tx_result;
-	u32 tx_result_queue_start;
+	__le32 tx_result;
+	__le32 tx_result_queue_start;
 
-	void *queue_memory_start;
-	void *queue_memory_end;
+	__le32 queue_memory_start;
+	__le32 queue_memory_end;
 
-	u32 packet_memory_pool_start;
-	u32 packet_memory_pool_end;
+	__le32 packet_memory_pool_start;
+	__le32 packet_memory_pool_end;
 
-	void *debug_buffer1_start;
-	void *debug_buffer1_end;
+	__le32 debug_buffer1_start;
+	__le32 debug_buffer1_end;
 
-	void *debug_buffer2_start;
-	void *debug_buffer2_end;
+	__le32 debug_buffer2_start;
+	__le32 debug_buffer2_end;
 
 	/* Number of blocks FW allocated for TX packets */
-	u32 num_tx_mem_blocks;
+	__le32 num_tx_mem_blocks;
 
 	/* Number of blocks FW allocated for RX packets */
-	u32 num_rx_mem_blocks;
+	__le32 num_rx_mem_blocks;
 
 	/* the following 4 fields are valid in SLAVE mode only */
 	u8 *tx_cbuf;
 	u8 *rx_cbuf;
-	void *rx_ctrl;
-	void *tx_ctrl;
+	__le32 rx_ctrl;
+	__le32 tx_ctrl;
 } __attribute__ ((packed));
 
 struct wl1271_acx_rx_config_opt {
 	struct acx_header header;
 
-	u16 mblk_threshold;
-	u16 threshold;
-	u16 timeout;
+	__le16 mblk_threshold;
+	__le16 threshold;
+	__le16 timeout;
 	u8 queue_type;
 	u8 reserved;
 } __attribute__ ((packed));
diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.c b/drivers/net/wireless/wl12xx/wl1271_boot.c
index 41a3050afae..ba4a2b4f0f5 100644
--- a/drivers/net/wireless/wl12xx/wl1271_boot.c
+++ b/drivers/net/wireless/wl12xx/wl1271_boot.c
@@ -188,15 +188,15 @@ static int wl1271_boot_upload_firmware(struct wl1271 *wl)
 	u8 *fw;
 
 	fw = wl->fw;
-	chunks = be32_to_cpup((u32 *) fw);
+	chunks = be32_to_cpup((__be32 *) fw);
 	fw += sizeof(u32);
 
 	wl1271_debug(DEBUG_BOOT, "firmware chunks to be uploaded: %u", chunks);
 
 	while (chunks--) {
-		addr = be32_to_cpup((u32 *) fw);
+		addr = be32_to_cpup((__be32 *) fw);
 		fw += sizeof(u32);
-		len = be32_to_cpup((u32 *) fw);
+		len = be32_to_cpup((__be32 *) fw);
 		fw += sizeof(u32);
 
 		if (len > 300000) {
diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c
index 195eee70e36..0666328ce9a 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.c
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c
@@ -50,7 +50,7 @@ int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len)
 	int ret = 0;
 
 	cmd = buf;
-	cmd->id = id;
+	cmd->id = cpu_to_le16(id);
 	cmd->status = 0;
 
 	WARN_ON(len % 4 != 0);
@@ -217,8 +217,8 @@ int wl1271_cmd_join(struct wl1271 *wl)
 	for (i = 0; i < ETH_ALEN; i++)
 		bssid[i] = wl->bssid[ETH_ALEN - i - 1];
 
-	join->rx_config_options = wl->rx_config;
-	join->rx_filter_options = wl->rx_filter;
+	join->rx_config_options = cpu_to_le32(wl->rx_config);
+	join->rx_filter_options = cpu_to_le32(wl->rx_filter);
 	join->bss_type = wl->bss_type;
 
 	/*
@@ -227,21 +227,22 @@ int wl1271_cmd_join(struct wl1271 *wl)
 	 * association. The filter logic needs to be implemented properly
 	 * and once that is done, this hack can be removed.
 	 */
-	join->rx_config_options = 0;
-	join->rx_filter_options = WL1271_DEFAULT_RX_FILTER;
+	join->rx_config_options = cpu_to_le32(0);
+	join->rx_filter_options = cpu_to_le32(WL1271_DEFAULT_RX_FILTER);
 
 	if (wl->band == IEEE80211_BAND_2GHZ)
-		join->basic_rate_set =
-			CONF_HW_BIT_RATE_1MBPS | CONF_HW_BIT_RATE_2MBPS |
-		CONF_HW_BIT_RATE_5_5MBPS | CONF_HW_BIT_RATE_11MBPS;
+		join->basic_rate_set = cpu_to_le32(CONF_HW_BIT_RATE_1MBPS   |
+						   CONF_HW_BIT_RATE_2MBPS   |
+						   CONF_HW_BIT_RATE_5_5MBPS |
+						   CONF_HW_BIT_RATE_11MBPS);
 	else {
 		join->bss_type |= WL1271_JOIN_CMD_BSS_TYPE_5GHZ;
-		join->basic_rate_set =
-			CONF_HW_BIT_RATE_6MBPS | CONF_HW_BIT_RATE_12MBPS |
-			CONF_HW_BIT_RATE_24MBPS;
+		join->basic_rate_set = cpu_to_le32(CONF_HW_BIT_RATE_6MBPS  |
+						   CONF_HW_BIT_RATE_12MBPS |
+						   CONF_HW_BIT_RATE_24MBPS);
 	}
 
-	join->beacon_interval = WL1271_DEFAULT_BEACON_INT;
+	join->beacon_interval = cpu_to_le16(WL1271_DEFAULT_BEACON_INT);
 	join->dtim_interval = WL1271_DEFAULT_DTIM_PERIOD;
 
 	join->channel = wl->channel;
@@ -305,6 +306,7 @@ int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer)
 
 	if (answer) {
 		struct wl1271_command *cmd_answer;
+		u16 status;
 
 		/*
 		 * The test command got in, we can read the answer.
@@ -314,10 +316,10 @@ int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer)
 		wl1271_spi_read(wl, wl->cmd_box_addr, buf, buf_len, false);
 
 		cmd_answer = buf;
+		status = le16_to_cpu(cmd_answer->header.status);
 
-		if (cmd_answer->header.status != CMD_STATUS_SUCCESS)
-			wl1271_error("TEST command answer error: %d",
-				     cmd_answer->header.status);
+		if (status != CMD_STATUS_SUCCESS)
+			wl1271_error("TEST command answer error: %d", status);
 	}
 
 	return 0;
@@ -338,10 +340,10 @@ int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len)
 
 	wl1271_debug(DEBUG_CMD, "cmd interrogate");
 
-	acx->id = id;
+	acx->id = cpu_to_le16(id);
 
 	/* payload length, does not include any headers */
-	acx->len = len - sizeof(*acx);
+	acx->len = cpu_to_le16(len - sizeof(*acx));
 
 	ret = wl1271_cmd_send(wl, CMD_INTERROGATE, acx, sizeof(*acx));
 	if (ret < 0) {
@@ -353,9 +355,9 @@ int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len)
 	wl1271_spi_read(wl, wl->cmd_box_addr, buf, len, false);
 
 	acx = buf;
-	if (acx->cmd.status != CMD_STATUS_SUCCESS)
+	if (le16_to_cpu(acx->cmd.status) != CMD_STATUS_SUCCESS)
 		wl1271_error("INTERROGATE command error: %d",
-			     acx->cmd.status);
+			     le16_to_cpu(acx->cmd.status));
 
 out:
 	return ret;
@@ -376,10 +378,10 @@ int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len)
 
 	wl1271_debug(DEBUG_CMD, "cmd configure");
 
-	acx->id = id;
+	acx->id = cpu_to_le16(id);
 
 	/* payload length, does not include any headers */
-	acx->len = len - sizeof(*acx);
+	acx->len = cpu_to_le16(len - sizeof(*acx));
 
 	ret = wl1271_cmd_send(wl, CMD_CONFIGURE, acx, len);
 	if (ret < 0) {
@@ -463,7 +465,7 @@ int wl1271_cmd_ps_mode(struct wl1271 *wl, u8 ps_mode)
 	ps_params->send_null_data = 1;
 	ps_params->retries = 5;
 	ps_params->hang_over_period = 128;
-	ps_params->null_data_rate = 1; /* 1 Mbps */
+	ps_params->null_data_rate = cpu_to_le32(1); /* 1 Mbps */
 
 	ret = wl1271_cmd_send(wl, CMD_SET_PS_MODE, ps_params,
 			      sizeof(*ps_params));
@@ -494,8 +496,8 @@ int wl1271_cmd_read_memory(struct wl1271 *wl, u32 addr, void *answer,
 	WARN_ON(len > MAX_READ_SIZE);
 	len = min_t(size_t, len, MAX_READ_SIZE);
 
-	cmd->addr = addr;
-	cmd->size = len;
+	cmd->addr = cpu_to_le32(addr);
+	cmd->size = cpu_to_le32(len);
 
 	ret = wl1271_cmd_send(wl, CMD_READ_MEMORY, cmd, sizeof(*cmd));
 	if (ret < 0) {
@@ -506,9 +508,9 @@ int wl1271_cmd_read_memory(struct wl1271 *wl, u32 addr, void *answer,
 	/* the read command got in, we can now read the answer */
 	wl1271_spi_read(wl, wl->cmd_box_addr, cmd, sizeof(*cmd), false);
 
-	if (cmd->header.status != CMD_STATUS_SUCCESS)
+	if (le16_to_cpu(cmd->header.status) != CMD_STATUS_SUCCESS)
 		wl1271_error("error in read command result: %d",
-			     cmd->header.status);
+			     le16_to_cpu(cmd->header.status));
 
 	memcpy(answer, cmd->value, len);
 
@@ -559,7 +561,7 @@ int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len,
 		scan_options |= WL1271_SCAN_OPT_PASSIVE;
 	if (high_prio)
 		scan_options |= WL1271_SCAN_OPT_PRIORITY_HIGH;
-	params->params.scan_options = scan_options;
+	params->params.scan_options = cpu_to_le16(scan_options);
 
 	params->params.num_probe_requests = probe_requests;
 	/* Let the fw autodetect suitable tx_rate for probes */
@@ -643,9 +645,9 @@ int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len,
 	wl1271_spi_read(wl, wl->cmd_box_addr, params, sizeof(*params),
 			false);
 
-	if (params->header.status != CMD_STATUS_SUCCESS) {
+	if (le16_to_cpu(params->header.status) != CMD_STATUS_SUCCESS) {
 		wl1271_error("Scan command error: %d",
-			     params->header.status);
+			     le16_to_cpu(params->header.status));
 		wl->scanning = false;
 		ret = -EIO;
 		goto out;
@@ -675,7 +677,7 @@ int wl1271_cmd_template_set(struct wl1271 *wl, u16 template_id,
 
 	cmd->len = cpu_to_le16(buf_len);
 	cmd->template_type = template_id;
-	cmd->enabled_rates = wl->conf.tx.rc_conf.enabled_rates;
+	cmd->enabled_rates = cpu_to_le32(wl->conf.tx.rc_conf.enabled_rates);
 	cmd->short_retry_limit = wl->conf.tx.rc_conf.short_retry_limit;
 	cmd->long_retry_limit = wl->conf.tx.rc_conf.long_retry_limit;
 
@@ -858,7 +860,7 @@ int wl1271_cmd_set_default_wep_key(struct wl1271 *wl, u8 id)
 	}
 
 	cmd->id = id;
-	cmd->key_action = KEY_SET_ID;
+	cmd->key_action = cpu_to_le16(KEY_SET_ID);
 	cmd->key_type = KEY_WEP;
 
 	ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd));
@@ -889,12 +891,12 @@ int wl1271_cmd_set_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type,
 	if (key_type != KEY_WEP)
 		memcpy(cmd->addr, addr, ETH_ALEN);
 
-	cmd->key_action = action;
+	cmd->key_action = cpu_to_le16(action);
 	cmd->key_size = key_size;
 	cmd->key_type = key_type;
 
-	cmd->ac_seq_num16[0] = tx_seq_16;
-	cmd->ac_seq_num32[0] = tx_seq_32;
+	cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16);
+	cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32);
 
 	/* we have only one SSID profile */
 	cmd->ssid_profile = 0;
@@ -943,8 +945,8 @@ int wl1271_cmd_disconnect(struct wl1271 *wl)
 		goto out;
 	}
 
-	cmd->rx_config_options = wl->rx_config;
-	cmd->rx_filter_options = wl->rx_filter;
+	cmd->rx_config_options = cpu_to_le32(wl->rx_config);
+	cmd->rx_filter_options = cpu_to_le32(wl->rx_filter);
 	/* disconnect reason is not used in immediate disconnections */
 	cmd->type = DISCONNECT_IMMEDIATE;
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.h b/drivers/net/wireless/wl12xx/wl1271_cmd.h
index 15254fa82f6..57d69057b4f 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.h
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.h
@@ -120,8 +120,8 @@ enum cmd_templ {
 #define WL1271_CMD_TEMPL_MAX_SIZE  252
 
 struct wl1271_cmd_header {
-	u16 id;
-	u16 status;
+	__le16 id;
+	__le16 status;
 	/* payload */
 	u8 data[0];
 } __attribute__ ((packed));
@@ -174,11 +174,11 @@ struct cmd_read_write_memory {
 	struct wl1271_cmd_header header;
 
 	/* The address of the memory to read from or write to.*/
-	u32 addr;
+	__le32 addr;
 
 	/* The amount of data in bytes to read from or write to the WiLink
 	 * device.*/
-	u32 size;
+	__le32 size;
 
 	/* The actual value read from or written to the Wilink. The source
 	   of this field is the Host in WRITE command or the Wilink in READ
@@ -203,18 +203,18 @@ enum {
 struct wl1271_cmd_join {
 	struct wl1271_cmd_header header;
 
-	u32 bssid_lsb;
-	u16 bssid_msb;
-	u16 beacon_interval; /* in TBTTs */
-	u32 rx_config_options;
-	u32 rx_filter_options;
+	__le32 bssid_lsb;
+	__le16 bssid_msb;
+	__le16 beacon_interval; /* in TBTTs */
+	__le32 rx_config_options;
+	__le32 rx_filter_options;
 
 	/*
 	 * The target uses this field to determine the rate at
 	 * which to transmit control frame responses (such as
 	 * ACK or CTS frames).
 	 */
-	u32 basic_rate_set;
+	__le32 basic_rate_set;
 	u8 dtim_interval;
 	/*
 	 * bits 0-2: This bitwise field specifies the type
@@ -243,10 +243,10 @@ struct cmd_enabledisable_path {
 struct wl1271_cmd_template_set {
 	struct wl1271_cmd_header header;
 
-	u16 len;
+	__le16 len;
 	u8 template_type;
 	u8 index;  /* relevant only for KLV_TEMPLATE type */
-	u32 enabled_rates;
+	__le32 enabled_rates;
 	u8 short_retry_limit;
 	u8 long_retry_limit;
 	u8 aflags;
@@ -283,7 +283,7 @@ struct wl1271_cmd_ps_params {
 	  * to power save mode.
 	  */
 	u8 hang_over_period;
-	u32 null_data_rate;
+	__le32 null_data_rate;
 } __attribute__ ((packed));
 
 /* HW encryption keys */
@@ -314,9 +314,9 @@ struct wl1271_cmd_set_keys {
 	u8 addr[ETH_ALEN];
 
 	/* key_action_e */
-	u16 key_action;
+	__le16 key_action;
 
-	u16 reserved_1;
+	__le16 reserved_1;
 
 	/* key size in bytes */
 	u8 key_size;
@@ -332,8 +332,8 @@ struct wl1271_cmd_set_keys {
 	u8 id;
 	u8 reserved_2[6];
 	u8 key[MAX_KEY_SIZE];
-	u16 ac_seq_num16[NUM_ACCESS_CATEGORIES_COPY];
-	u32 ac_seq_num32[NUM_ACCESS_CATEGORIES_COPY];
+	__le16 ac_seq_num16[NUM_ACCESS_CATEGORIES_COPY];
+	__le32 ac_seq_num32[NUM_ACCESS_CATEGORIES_COPY];
 } __attribute__ ((packed));
 
 
@@ -350,17 +350,17 @@ struct wl1271_cmd_set_keys {
 #define WL1271_SCAN_BAND_DUAL 2
 
 struct basic_scan_params {
-	u32 rx_config_options;
-	u32 rx_filter_options;
+	__le32 rx_config_options;
+	__le32 rx_filter_options;
 	/* Scan option flags (WL1271_SCAN_OPT_*) */
-	u16 scan_options;
+	__le16 scan_options;
 	/* Number of scan channels in the list (maximum 30) */
 	u8 num_channels;
 	/* This field indicates the number of probe requests to send
 	   per channel for an active scan */
 	u8 num_probe_requests;
 	/* Rate bit field for sending the probes */
-	u32 tx_rate;
+	__le32 tx_rate;
 	u8 tid_trigger;
 	u8 ssid_len;
 	/* in order to align */
@@ -375,10 +375,10 @@ struct basic_scan_params {
 
 struct basic_scan_channel_params {
 	/* Duration in TU to wait for frames on a channel for active scan */
-	u32 min_duration;
-	u32 max_duration;
-	u32 bssid_lsb;
-	u16 bssid_msb;
+	__le32 min_duration;
+	__le32 max_duration;
+	__le32 bssid_lsb;
+	__le16 bssid_msb;
 	u8 early_termination;
 	u8 tx_power_att;
 	u8 channel;
@@ -398,7 +398,7 @@ struct wl1271_cmd_scan {
 struct wl1271_cmd_trigger_scan_to {
 	struct wl1271_cmd_header header;
 
-	u32 timeout;
+	__le32 timeout;
 };
 
 struct wl1271_cmd_test_header {
@@ -426,7 +426,7 @@ struct wl1271_cmd_cal_channel_tune {
 	u8 band;
 	u8 channel;
 
-	u16 radio_status;
+	__le16 radio_status;
 } __attribute__ ((packed));
 
 struct wl1271_cmd_cal_update_ref_point {
@@ -434,8 +434,8 @@ struct wl1271_cmd_cal_update_ref_point {
 
 	struct wl1271_cmd_test_header test;
 
-	s32 ref_power;
-	s32 ref_detector;
+	__le32 ref_power;
+	__le32 ref_detector;
 	u8  sub_band;
 	u8  padding[3];
 } __attribute__ ((packed));
@@ -450,12 +450,12 @@ struct wl1271_cmd_cal_p2g {
 
 	struct wl1271_cmd_test_header test;
 
-	u16 len;
+	__le16 len;
 	u8  buf[MAX_TLV_LENGTH];
 	u8  type;
 	u8  padding;
 
-	s16 radio_status;
+	__le16 radio_status;
 	u8  nvs_version[MAX_NVS_VERSION_LENGTH];
 
 	u8  sub_band_mask;
@@ -479,10 +479,10 @@ enum wl1271_disconnect_type {
 };
 
 struct wl1271_cmd_disconnect {
-	u32 rx_config_options;
-	u32 rx_filter_options;
+	__le32 rx_config_options;
+	__le32 rx_filter_options;
 
-	u16 reason;
+	__le16 reason;
 	u8  type;
 
 	u8  padding;
diff --git a/drivers/net/wireless/wl12xx/wl1271_event.c b/drivers/net/wireless/wl12xx/wl1271_event.c
index a4b11e43f0d..31d396ba918 100644
--- a/drivers/net/wireless/wl12xx/wl1271_event.c
+++ b/drivers/net/wireless/wl12xx/wl1271_event.c
@@ -82,7 +82,8 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox)
 
 	wl1271_event_mbox_dump(mbox);
 
-	vector = mbox->events_vector & ~(mbox->events_mask);
+	vector = le32_to_cpu(mbox->events_vector);
+	vector &= ~(le32_to_cpu(mbox->events_mask));
 	wl1271_debug(DEBUG_EVENT, "vector: 0x%x", vector);
 
 	if (vector & SCAN_COMPLETE_EVENT_ID) {
diff --git a/drivers/net/wireless/wl12xx/wl1271_event.h b/drivers/net/wireless/wl12xx/wl1271_event.h
index adc4653b261..3ab53d331f1 100644
--- a/drivers/net/wireless/wl12xx/wl1271_event.h
+++ b/drivers/net/wireless/wl12xx/wl1271_event.h
@@ -66,33 +66,33 @@ enum {
 struct event_debug_report {
 	u8 debug_event_id;
 	u8 num_params;
-	u16 pad;
-	u32 report_1;
-	u32 report_2;
-	u32 report_3;
+	__le16 pad;
+	__le32 report_1;
+	__le32 report_2;
+	__le32 report_3;
 } __attribute__ ((packed));
 
 #define NUM_OF_RSSI_SNR_TRIGGERS 8
 
 struct event_mailbox {
-	u32 events_vector;
-	u32 events_mask;
-	u32 reserved_1;
-	u32 reserved_2;
+	__le32 events_vector;
+	__le32 events_mask;
+	__le32 reserved_1;
+	__le32 reserved_2;
 
 	u8 dbg_event_id;
 	u8 num_relevant_params;
-	u16 reserved_3;
-	u32 event_report_p1;
-	u32 event_report_p2;
-	u32 event_report_p3;
+	__le16 reserved_3;
+	__le32 event_report_p1;
+	__le32 event_report_p2;
+	__le32 event_report_p3;
 
 	u8 number_of_scan_results;
 	u8 scan_tag;
 	u8 reserved_4[2];
-	u32 compl_scheduled_scan_status;
+	__le32 compl_scheduled_scan_status;
 
-	u16 scheduled_scan_attended_channels;
+	__le16 scheduled_scan_attended_channels;
 	u8 soft_gemini_sense_info;
 	u8 soft_gemini_protective_info;
 	s8 rssi_snr_trigger_metric[NUM_OF_RSSI_SNR_TRIGGERS];
diff --git a/drivers/net/wireless/wl12xx/wl1271_init.h b/drivers/net/wireless/wl12xx/wl1271_init.h
index 513d0cb1866..6e21ceee76a 100644
--- a/drivers/net/wireless/wl12xx/wl1271_init.h
+++ b/drivers/net/wireless/wl12xx/wl1271_init.h
@@ -65,7 +65,7 @@ struct wl1271_radio_parms {
 
 	/* Dynamic radio parameters */
 	/* 2.4GHz */
-	s16 tx_ref_pd_voltage;
+	__le16 tx_ref_pd_voltage;
 	s8  tx_ref_power;
 	s8  tx_offset_db;
 
@@ -82,7 +82,7 @@ struct wl1271_radio_parms {
 	u8 padding2;
 
 	/* 5GHz */
-	s16 tx_ref_pd_voltage_5[CONF_NUMBER_OF_SUB_BANDS_5];
+	__le16 tx_ref_pd_voltage_5[CONF_NUMBER_OF_SUB_BANDS_5];
 	s8  tx_ref_power_5[CONF_NUMBER_OF_SUB_BANDS_5];
 	s8  tx_offset_db_5[CONF_NUMBER_OF_SUB_BANDS_5];
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index ee7ffafaa27..86132bb0078 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -397,8 +397,11 @@ static void wl1271_fw_status(struct wl1271 *wl,
 
 	/* update number of available TX blocks */
 	for (i = 0; i < NUM_TX_QUEUES; i++) {
-		u32 cnt = status->tx_released_blks[i] - wl->tx_blocks_freed[i];
-		wl->tx_blocks_freed[i] = status->tx_released_blks[i];
+		u32 cnt = le32_to_cpu(status->tx_released_blks[i]) -
+			wl->tx_blocks_freed[i];
+
+		wl->tx_blocks_freed[i] =
+			le32_to_cpu(status->tx_released_blks[i]);
 		wl->tx_blocks_available += cnt;
 		total += cnt;
 	}
@@ -408,7 +411,8 @@ static void wl1271_fw_status(struct wl1271 *wl,
 		ieee80211_queue_work(wl->hw, &wl->tx_work);
 
 	/* update the host-chipset time offset */
-	wl->time_offset = jiffies_to_usecs(jiffies) - status->fw_localtime;
+	wl->time_offset = jiffies_to_usecs(jiffies) -
+		le32_to_cpu(status->fw_localtime);
 }
 
 static void wl1271_irq_work(struct work_struct *work)
@@ -432,7 +436,7 @@ static void wl1271_irq_work(struct work_struct *work)
 	wl1271_spi_write32(wl, ACX_REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL);
 
 	wl1271_fw_status(wl, wl->fw_status);
-	intr = wl->fw_status->intr;
+	intr = le32_to_cpu(wl->fw_status->intr);
 	if (!intr) {
 		wl1271_debug(DEBUG_IRQ, "Zero interrupt received.");
 		goto out_sleep;
diff --git a/drivers/net/wireless/wl12xx/wl1271_rx.c b/drivers/net/wireless/wl12xx/wl1271_rx.c
index 1ea3f41912a..dbf07bea87c 100644
--- a/drivers/net/wireless/wl12xx/wl1271_rx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_rx.c
@@ -30,14 +30,15 @@
 static u8 wl1271_rx_get_mem_block(struct wl1271_fw_status *status,
 				  u32 drv_rx_counter)
 {
-	return status->rx_pkt_descs[drv_rx_counter] & RX_MEM_BLOCK_MASK;
+	return le32_to_cpu(status->rx_pkt_descs[drv_rx_counter]) &
+		RX_MEM_BLOCK_MASK;
 }
 
 static u32 wl1271_rx_get_buf_size(struct wl1271_fw_status *status,
 				 u32 drv_rx_counter)
 {
-	return (status->rx_pkt_descs[drv_rx_counter] & RX_BUF_SIZE_MASK) >>
-		RX_BUF_SIZE_SHIFT_DIV;
+	return (le32_to_cpu(status->rx_pkt_descs[drv_rx_counter]) &
+		RX_BUF_SIZE_MASK) >> RX_BUF_SIZE_SHIFT_DIV;
 }
 
 /* The values of this table must match the wl1271_rates[] array */
@@ -203,8 +204,8 @@ void wl1271_rx(struct wl1271 *wl, struct wl1271_fw_status *status)
 			break;
 		}
 
-		wl->rx_mem_pool_addr.addr =
-			(mem_block << 8) + wl_mem_map->packet_memory_pool_start;
+		wl->rx_mem_pool_addr.addr = (mem_block << 8) +
+			le32_to_cpu(wl_mem_map->packet_memory_pool_start);
 		wl->rx_mem_pool_addr.addr_extra =
 			wl->rx_mem_pool_addr.addr + 4;
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_rx.h b/drivers/net/wireless/wl12xx/wl1271_rx.h
index d1ca60e43a2..1ae6d1783ed 100644
--- a/drivers/net/wireless/wl12xx/wl1271_rx.h
+++ b/drivers/net/wireless/wl12xx/wl1271_rx.h
@@ -102,14 +102,14 @@
 #define RX_BUF_SIZE_SHIFT_DIV 6
 
 struct wl1271_rx_descriptor {
-	u16 length;
+	__le16 length;
 	u8  status;
 	u8  flags;
 	u8  rate;
 	u8  channel;
 	s8  rssi;
 	u8  snr;
-	u32 timestamp;
+	__le32 timestamp;
 	u8  packet_class;
 	u8  process_id;
 	u8  pad_len;
diff --git a/drivers/net/wireless/wl12xx/wl1271_tx.c b/drivers/net/wireless/wl12xx/wl1271_tx.c
index 4560458a6d6..00af065c77c 100644
--- a/drivers/net/wireless/wl12xx/wl1271_tx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_tx.c
@@ -88,6 +88,7 @@ static int wl1271_tx_fill_hdr(struct wl1271 *wl, struct sk_buff *skb,
 {
 	struct wl1271_tx_hw_descr *desc;
 	int pad;
+	u16 tx_attr;
 
 	desc = (struct wl1271_tx_hw_descr *) skb->data;
 
@@ -95,16 +96,17 @@ static int wl1271_tx_fill_hdr(struct wl1271 *wl, struct sk_buff *skb,
 	if (extra) {
 		void *framestart = skb->data + sizeof(*desc);
 		u16 fc = *(u16 *)(framestart + extra);
-		int hdrlen = ieee80211_hdrlen(fc);
+		int hdrlen = ieee80211_hdrlen(cpu_to_le16(fc));
 		memmove(framestart, framestart + extra, hdrlen);
 	}
 
 	/* configure packet life time */
-	desc->start_time = jiffies_to_usecs(jiffies) - wl->time_offset;
-	desc->life_time = TX_HW_MGMT_PKT_LIFETIME_TU;
+	desc->start_time = cpu_to_le32(jiffies_to_usecs(jiffies) -
+				       wl->time_offset);
+	desc->life_time = cpu_to_le16(TX_HW_MGMT_PKT_LIFETIME_TU);
 
 	/* configure the tx attributes */
-	desc->tx_attr = wl->session_counter << TX_HW_ATTR_OFST_SESSION_COUNTER;
+	tx_attr = wl->session_counter << TX_HW_ATTR_OFST_SESSION_COUNTER;
 	/* FIXME: do we know the packet priority? can we identify mgmt
 	   packets, and use max prio for them at least? */
 	desc->tid = 0;
@@ -113,11 +115,13 @@ static int wl1271_tx_fill_hdr(struct wl1271 *wl, struct sk_buff *skb,
 
 	/* align the length (and store in terms of words) */
 	pad = WL1271_TX_ALIGN(skb->len);
-	desc->length = pad >> 2;
+	desc->length = cpu_to_le16(pad >> 2);
 
 	/* calculate number of padding bytes */
 	pad = pad - skb->len;
-	desc->tx_attr |= pad << TX_HW_ATTR_OFST_LAST_WORD_PAD;
+	tx_attr |= pad << TX_HW_ATTR_OFST_LAST_WORD_PAD;
+
+	desc->tx_attr = cpu_to_le16(tx_attr);
 
 	wl1271_debug(DEBUG_TX, "tx_fill_hdr: pad: %d", pad);
 	return 0;
@@ -331,7 +335,7 @@ void wl1271_tx_complete(struct wl1271 *wl, u32 count)
 	wl1271_debug(DEBUG_TX, "tx_complete received, packets: %d", count);
 
 	/* read the tx results from the chipset */
-	wl1271_spi_read(wl, memmap->tx_result,
+	wl1271_spi_read(wl, le32_to_cpu(memmap->tx_result),
 			wl->tx_res_if, sizeof(*wl->tx_res_if), false);
 
 	/* verify that the result buffer is not getting overrun */
@@ -353,10 +357,10 @@ void wl1271_tx_complete(struct wl1271 *wl, u32 count)
 	}
 
 	/* write host counter to chipset (to ack) */
-	wl1271_spi_write32(wl, memmap->tx_result +
+	wl1271_spi_write32(wl, le32_to_cpu(memmap->tx_result) +
 			   offsetof(struct wl1271_tx_hw_res_if,
 				    tx_result_host_counter),
-			   wl->tx_res_if->tx_result_fw_counter);
+			   le32_to_cpu(wl->tx_res_if->tx_result_fw_counter));
 }
 
 /* caller must hold wl->mutex */
diff --git a/drivers/net/wireless/wl12xx/wl1271_tx.h b/drivers/net/wireless/wl12xx/wl1271_tx.h
index 4a614067ddb..416396caf0a 100644
--- a/drivers/net/wireless/wl12xx/wl1271_tx.h
+++ b/drivers/net/wireless/wl12xx/wl1271_tx.h
@@ -58,7 +58,7 @@
 
 struct wl1271_tx_hw_descr {
 	/* Length of packet in words, including descriptor+header+data */
-	u16 length;
+	__le16 length;
 	/* Number of extra memory blocks to allocate for this packet in
 	   addition to the number of blocks derived from the packet length */
 	u8 extra_mem_blocks;
@@ -67,12 +67,12 @@ struct wl1271_tx_hw_descr {
 	   HW!! */
 	u8 total_mem_blocks;
 	/* Device time (in us) when the packet arrived to the driver */
-	u32 start_time;
+	__le32 start_time;
 	/* Max delay in TUs until transmission. The last device time the
 	   packet can be transmitted is: startTime+(1024*LifeTime) */
-	u16 life_time;
+	__le16 life_time;
 	/* Bitwise fields - see TX_ATTR... definitions above. */
-	u16 tx_attr;
+	__le16 tx_attr;
 	/* Packet identifier used also in the Tx-Result. */
 	u8 id;
 	/* The packet TID value (as User-Priority) */
@@ -100,12 +100,12 @@ struct wl1271_tx_hw_res_descr {
 	   several possible reasons for failure. */
 	u8 status;
 	/* Total air access duration including all retrys and overheads.*/
-	u16 medium_usage;
+	__le16 medium_usage;
 	/* The time passed from host xfer to Tx-complete.*/
-	u32 fw_handling_time;
+	__le32 fw_handling_time;
 	/* Total media delay
 	   (from 1st EDCA AIFS counter until TX Complete). */
-	u32 medium_delay;
+	__le32 medium_delay;
 	/* LS-byte of last TKIP seq-num (saved per AC for recovery). */
 	u8 lsb_security_sequence_number;
 	/* Retry count - number of transmissions without successful ACK.*/
@@ -118,8 +118,8 @@ struct wl1271_tx_hw_res_descr {
 } __attribute__ ((packed));
 
 struct wl1271_tx_hw_res_if {
-	u32 tx_result_fw_counter;
-	u32 tx_result_host_counter;
+	__le32 tx_result_fw_counter;
+	__le32 tx_result_host_counter;
 	struct wl1271_tx_hw_res_descr tx_results_queue[TX_HW_RESULT_QUEUE_LEN];
 } __attribute__ ((packed));
 
diff --git a/drivers/net/wireless/wl12xx/wl12xx_80211.h b/drivers/net/wireless/wl12xx/wl12xx_80211.h
index 657c2dbcb7d..055d7bc6f59 100644
--- a/drivers/net/wireless/wl12xx/wl12xx_80211.h
+++ b/drivers/net/wireless/wl12xx/wl12xx_80211.h
@@ -122,8 +122,8 @@ struct wl12xx_null_data_template {
 } __attribute__ ((packed));
 
 struct wl12xx_ps_poll_template {
-	u16 fc;
-	u16 aid;
+	__le16 fc;
+	__le16 aid;
 	u8 bssid[ETH_ALEN];
 	u8 ta[ETH_ALEN];
 } __attribute__ ((packed));
-- 
GitLab


From fb46f26f383c3129ce4ae551a359a8e11704cbce Mon Sep 17 00:00:00 2001
From: Luciano Coelho <luciano.coelho@nokia.com>
Date: Thu, 15 Oct 2009 10:33:30 +0300
Subject: [PATCH 0532/1815] wl1271: added missing packed modifier in some cmd
 structs

Some of the struct definitions in the wl1271_acx.h file were missing the
__attribute__ ((packed)) modifier.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_cmd.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.h b/drivers/net/wireless/wl12xx/wl1271_cmd.h
index 57d69057b4f..174b8209dbf 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.h
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.h
@@ -184,7 +184,7 @@ struct cmd_read_write_memory {
 	   of this field is the Host in WRITE command or the Wilink in READ
 	   command. */
 	u8 value[MAX_READ_SIZE];
-};
+} __attribute__ ((packed));
 
 #define CMDMBOX_HEADER_LEN 4
 #define CMDMBOX_INFO_ELEM_HEADER_LEN 4
@@ -399,12 +399,12 @@ struct wl1271_cmd_trigger_scan_to {
 	struct wl1271_cmd_header header;
 
 	__le32 timeout;
-};
+} __attribute__ ((packed));
 
 struct wl1271_cmd_test_header {
 	u8 id;
 	u8 padding[3];
-};
+} __attribute__ ((packed));
 
 enum wl1271_channel_tune_bands {
 	WL1271_CHANNEL_TUNE_BAND_2_4,
-- 
GitLab


From 2c759e03b3b7639fff23ec3b7bab64a35ca0914f Mon Sep 17 00:00:00 2001
From: David-John Willis <John.Willis@Distant-earth.com>
Date: Thu, 15 Oct 2009 14:38:16 +0100
Subject: [PATCH 0533/1815] wl1251: add support for PG11 chips.

This simple patch adds support for the PG11 variant of the WL1251 chip as
used on the OpenPandora OMAP3 device.

Signed-off-by: David-John Willis <John.Willis@Distant-earth.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1251_main.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/wireless/wl12xx/wl1251_main.c b/drivers/net/wireless/wl12xx/wl1251_main.c
index 23ac5030375..ec01e9dadb0 100644
--- a/drivers/net/wireless/wl12xx/wl1251_main.c
+++ b/drivers/net/wireless/wl12xx/wl1251_main.c
@@ -185,6 +185,9 @@ static int wl1251_chip_wakeup(struct wl1251 *wl)
 		break;
 	case CHIP_ID_1251_PG10:
 	case CHIP_ID_1251_PG11:
+		wl1251_debug(DEBUG_BOOT, "chip id 0x%x (1251 PG11)",
+			     wl->chip_id);
+		break;
 	default:
 		wl1251_error("unsupported chip id: 0x%x", wl->chip_id);
 		ret = -ENODEV;
-- 
GitLab


From 88499ab3d8dbbf9c080416952603742666c71262 Mon Sep 17 00:00:00 2001
From: Michael Buesch <mb@bu3sch.de>
Date: Fri, 9 Oct 2009 20:33:32 +0200
Subject: [PATCH 0534/1815] b43: Optimize PIO scratchbuffer usage

This optimizes the PIO scratchbuffer usage.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/b43/b43.h  | 16 ++-----
 drivers/net/wireless/b43/pio.c  | 79 ++++++++++++++++++++-------------
 drivers/net/wireless/b43/xmit.c |  2 +-
 3 files changed, 51 insertions(+), 46 deletions(-)

diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h
index 660716214d4..65b23f725a0 100644
--- a/drivers/net/wireless/b43/b43.h
+++ b/drivers/net/wireless/b43/b43.h
@@ -749,12 +749,6 @@ struct b43_wldev {
 #endif
 };
 
-/*
- * Include goes here to avoid a dependency problem.
- * A better fix would be to integrate xmit.h into b43.h.
- */
-#include "xmit.h"
-
 /* Data structure for the WLAN parts (802.11 cores) of the b43 chip. */
 struct b43_wl {
 	/* Pointer to the active wireless device on this chip */
@@ -830,13 +824,9 @@ struct b43_wl {
 	struct b43_leds leds;
 
 #ifdef CONFIG_B43_PIO
-	/*
-	 * RX/TX header/tail buffers used by the frame transmit functions.
-	 */
-	struct b43_rxhdr_fw4 rxhdr;
-	struct b43_txhdr txhdr;
-	u8 rx_tail[4];
-	u8 tx_tail[4];
+	/* Kmalloc'ed scratch space for PIO TX/RX. Protected by wl->mutex. */
+	u8 pio_scratchspace[110] __attribute__((__aligned__(8)));
+	u8 pio_tailspace[4] __attribute__((__aligned__(8)));
 #endif /* CONFIG_B43_PIO */
 };
 
diff --git a/drivers/net/wireless/b43/pio.c b/drivers/net/wireless/b43/pio.c
index dbbf0d11e18..3105f235303 100644
--- a/drivers/net/wireless/b43/pio.c
+++ b/drivers/net/wireless/b43/pio.c
@@ -341,12 +341,15 @@ static u16 tx_write_2byte_queue(struct b43_pio_txqueue *q,
 			q->mmio_base + B43_PIO_TXDATA,
 			sizeof(u16));
 	if (data_len & 1) {
+		u8 *tail = wl->pio_tailspace;
+		BUILD_BUG_ON(sizeof(wl->pio_tailspace) < 2);
+
 		/* Write the last byte. */
 		ctl &= ~B43_PIO_TXCTL_WRITEHI;
 		b43_piotx_write16(q, B43_PIO_TXCTL, ctl);
-		wl->tx_tail[0] = data[data_len - 1];
-		wl->tx_tail[1] = 0;
-		ssb_block_write(dev->dev, wl->tx_tail, 2,
+		tail[0] = data[data_len - 1];
+		tail[1] = 0;
+		ssb_block_write(dev->dev, tail, 2,
 				q->mmio_base + B43_PIO_TXDATA,
 				sizeof(u16));
 	}
@@ -392,31 +395,31 @@ static u32 tx_write_4byte_queue(struct b43_pio_txqueue *q,
 			q->mmio_base + B43_PIO8_TXDATA,
 			sizeof(u32));
 	if (data_len & 3) {
-		wl->tx_tail[3] = 0;
+		u8 *tail = wl->pio_tailspace;
+		BUILD_BUG_ON(sizeof(wl->pio_tailspace) < 4);
+
+		memset(tail, 0, 4);
 		/* Write the last few bytes. */
 		ctl &= ~(B43_PIO8_TXCTL_8_15 | B43_PIO8_TXCTL_16_23 |
 			 B43_PIO8_TXCTL_24_31);
 		switch (data_len & 3) {
 		case 3:
 			ctl |= B43_PIO8_TXCTL_16_23 | B43_PIO8_TXCTL_8_15;
-			wl->tx_tail[0] = data[data_len - 3];
-			wl->tx_tail[1] = data[data_len - 2];
-			wl->tx_tail[2] = data[data_len - 1];
+			tail[0] = data[data_len - 3];
+			tail[1] = data[data_len - 2];
+			tail[2] = data[data_len - 1];
 			break;
 		case 2:
 			ctl |= B43_PIO8_TXCTL_8_15;
-			wl->tx_tail[0] = data[data_len - 2];
-			wl->tx_tail[1] = data[data_len - 1];
-			wl->tx_tail[2] = 0;
+			tail[0] = data[data_len - 2];
+			tail[1] = data[data_len - 1];
 			break;
 		case 1:
-			wl->tx_tail[0] = data[data_len - 1];
-			wl->tx_tail[1] = 0;
-			wl->tx_tail[2] = 0;
+			tail[0] = data[data_len - 1];
 			break;
 		}
 		b43_piotx_write32(q, B43_PIO8_TXCTL, ctl);
-		ssb_block_write(dev->dev, wl->tx_tail, 4,
+		ssb_block_write(dev->dev, tail, 4,
 				q->mmio_base + B43_PIO8_TXDATA,
 				sizeof(u32));
 	}
@@ -455,6 +458,7 @@ static int pio_tx_frame(struct b43_pio_txqueue *q,
 	int err;
 	unsigned int hdrlen;
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	struct b43_txhdr *txhdr = (struct b43_txhdr *)wl->pio_scratchspace;
 
 	B43_WARN_ON(list_empty(&q->packets_list));
 	pack = list_entry(q->packets_list.next,
@@ -462,7 +466,9 @@ static int pio_tx_frame(struct b43_pio_txqueue *q,
 
 	cookie = generate_cookie(q, pack);
 	hdrlen = b43_txhdr_size(dev);
-	err = b43_generate_txhdr(dev, (u8 *)&wl->txhdr, skb,
+	BUILD_BUG_ON(sizeof(wl->pio_scratchspace) < sizeof(struct b43_txhdr));
+	B43_WARN_ON(sizeof(wl->pio_scratchspace) < hdrlen);
+	err = b43_generate_txhdr(dev, (u8 *)txhdr, skb,
 				 info, cookie);
 	if (err)
 		return err;
@@ -476,9 +482,9 @@ static int pio_tx_frame(struct b43_pio_txqueue *q,
 
 	pack->skb = skb;
 	if (q->rev >= 8)
-		pio_tx_frame_4byte_queue(pack, (const u8 *)&wl->txhdr, hdrlen);
+		pio_tx_frame_4byte_queue(pack, (const u8 *)txhdr, hdrlen);
 	else
-		pio_tx_frame_2byte_queue(pack, (const u8 *)&wl->txhdr, hdrlen);
+		pio_tx_frame_2byte_queue(pack, (const u8 *)txhdr, hdrlen);
 
 	/* Remove it from the list of available packet slots.
 	 * It will be put back when we receive the status report. */
@@ -624,8 +630,11 @@ static bool pio_rx_frame(struct b43_pio_rxqueue *q)
 	unsigned int i, padding;
 	struct sk_buff *skb;
 	const char *err_msg = NULL;
+	struct b43_rxhdr_fw4 *rxhdr =
+		(struct b43_rxhdr_fw4 *)wl->pio_scratchspace;
 
-	memset(&wl->rxhdr, 0, sizeof(wl->rxhdr));
+	BUILD_BUG_ON(sizeof(wl->pio_scratchspace) < sizeof(*rxhdr));
+	memset(rxhdr, 0, sizeof(*rxhdr));
 
 	/* Check if we have data and wait for it to get ready. */
 	if (q->rev >= 8) {
@@ -663,16 +672,16 @@ data_ready:
 
 	/* Get the preamble (RX header) */
 	if (q->rev >= 8) {
-		ssb_block_read(dev->dev, &wl->rxhdr, sizeof(wl->rxhdr),
+		ssb_block_read(dev->dev, rxhdr, sizeof(*rxhdr),
 			       q->mmio_base + B43_PIO8_RXDATA,
 			       sizeof(u32));
 	} else {
-		ssb_block_read(dev->dev, &wl->rxhdr, sizeof(wl->rxhdr),
+		ssb_block_read(dev->dev, rxhdr, sizeof(*rxhdr),
 			       q->mmio_base + B43_PIO_RXDATA,
 			       sizeof(u16));
 	}
 	/* Sanity checks. */
-	len = le16_to_cpu(wl->rxhdr.frame_len);
+	len = le16_to_cpu(rxhdr->frame_len);
 	if (unlikely(len > 0x700)) {
 		err_msg = "len > 0x700";
 		goto rx_error;
@@ -682,7 +691,7 @@ data_ready:
 		goto rx_error;
 	}
 
-	macstat = le32_to_cpu(wl->rxhdr.mac_status);
+	macstat = le32_to_cpu(rxhdr->mac_status);
 	if (macstat & B43_RX_MAC_FCSERR) {
 		if (!(q->dev->wl->filter_flags & FIF_FCSFAIL)) {
 			/* Drop frames with failed FCS. */
@@ -707,22 +716,25 @@ data_ready:
 			       q->mmio_base + B43_PIO8_RXDATA,
 			       sizeof(u32));
 		if (len & 3) {
+			u8 *tail = wl->pio_tailspace;
+			BUILD_BUG_ON(sizeof(wl->pio_tailspace) < 4);
+
 			/* Read the last few bytes. */
-			ssb_block_read(dev->dev, wl->rx_tail, 4,
+			ssb_block_read(dev->dev, tail, 4,
 				       q->mmio_base + B43_PIO8_RXDATA,
 				       sizeof(u32));
 			switch (len & 3) {
 			case 3:
-				skb->data[len + padding - 3] = wl->rx_tail[0];
-				skb->data[len + padding - 2] = wl->rx_tail[1];
-				skb->data[len + padding - 1] = wl->rx_tail[2];
+				skb->data[len + padding - 3] = tail[0];
+				skb->data[len + padding - 2] = tail[1];
+				skb->data[len + padding - 1] = tail[2];
 				break;
 			case 2:
-				skb->data[len + padding - 2] = wl->rx_tail[0];
-				skb->data[len + padding - 1] = wl->rx_tail[1];
+				skb->data[len + padding - 2] = tail[0];
+				skb->data[len + padding - 1] = tail[1];
 				break;
 			case 1:
-				skb->data[len + padding - 1] = wl->rx_tail[0];
+				skb->data[len + padding - 1] = tail[0];
 				break;
 			}
 		}
@@ -731,15 +743,18 @@ data_ready:
 			       q->mmio_base + B43_PIO_RXDATA,
 			       sizeof(u16));
 		if (len & 1) {
+			u8 *tail = wl->pio_tailspace;
+			BUILD_BUG_ON(sizeof(wl->pio_tailspace) < 2);
+
 			/* Read the last byte. */
-			ssb_block_read(dev->dev, wl->rx_tail, 2,
+			ssb_block_read(dev->dev, tail, 2,
 				       q->mmio_base + B43_PIO_RXDATA,
 				       sizeof(u16));
-			skb->data[len + padding - 1] = wl->rx_tail[0];
+			skb->data[len + padding - 1] = tail[0];
 		}
 	}
 
-	b43_rx(q->dev, skb, &wl->rxhdr);
+	b43_rx(q->dev, skb, rxhdr);
 
 	return 1;
 
diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c
index f4e9695ec18..51d68971f6f 100644
--- a/drivers/net/wireless/b43/xmit.c
+++ b/drivers/net/wireless/b43/xmit.c
@@ -27,7 +27,7 @@
 
 */
 
-#include "b43.h"
+#include "xmit.h"
 #include "phy_common.h"
 #include "dma.h"
 #include "pio.h"
-- 
GitLab


From e36e49f7338f0f73cd7f5ba4f5b646a479ab60a8 Mon Sep 17 00:00:00 2001
From: Kalle Valo <kalle.valo@nokia.com>
Date: Tue, 13 Oct 2009 20:33:13 +0300
Subject: [PATCH 0535/1815] mac80211: add ieee80211_rx_ni()

ieee80211_rx() must be called with bottom halves disabled. To simplify
driver development implement ieee80211_rx_ni() which disables BH. This
function must be used when in process context.

Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 include/net/mac80211.h | 32 ++++++++++++++++++++++++++------
 1 file changed, 26 insertions(+), 6 deletions(-)

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index c75b960c8ac..c42c4a820b8 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1665,11 +1665,11 @@ void ieee80211_restart_hw(struct ieee80211_hw *hw);
  * header if %RX_FLAG_RADIOTAP is set in the @status flags.
  *
  * This function may not be called in IRQ context. Calls to this function
- * for a single hardware must be synchronized against each other. Calls
- * to this function and ieee80211_rx_irqsafe() may not be mixed for a
- * single hardware.
+ * for a single hardware must be synchronized against each other. Calls to
+ * this function, ieee80211_rx_ni() and ieee80211_rx_irqsafe() may not be
+ * mixed for a single hardware.
  *
- * Note that right now, this function must be called with softirqs disabled.
+ * In process context use instead ieee80211_rx_ni().
  *
  * @hw: the hardware this frame came in on
  * @skb: the buffer to receive, owned by mac80211 after this call
@@ -1682,14 +1682,34 @@ void ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb);
  * Like ieee80211_rx() but can be called in IRQ context
  * (internally defers to a tasklet.)
  *
- * Calls to this function and ieee80211_rx() may not be mixed for a
- * single hardware.
+ * Calls to this function, ieee80211_rx() or ieee80211_rx_ni() may not
+ * be mixed for a single hardware.
  *
  * @hw: the hardware this frame came in on
  * @skb: the buffer to receive, owned by mac80211 after this call
  */
 void ieee80211_rx_irqsafe(struct ieee80211_hw *hw, struct sk_buff *skb);
 
+/**
+ * ieee80211_rx_ni - receive frame (in process context)
+ *
+ * Like ieee80211_rx() but can be called in process context
+ * (internally disables bottom halves).
+ *
+ * Calls to this function, ieee80211_rx() and ieee80211_rx_irqsafe() may
+ * not be mixed for a single hardware.
+ *
+ * @hw: the hardware this frame came in on
+ * @skb: the buffer to receive, owned by mac80211 after this call
+ */
+static inline void ieee80211_rx_ni(struct ieee80211_hw *hw,
+				   struct sk_buff *skb)
+{
+	local_bh_disable();
+	ieee80211_rx(hw, skb);
+	local_bh_enable();
+}
+
 /**
  * ieee80211_tx_status - transmit status callback
  *
-- 
GitLab


From 878283f19809bc73872c70ea53381f74a43a15e7 Mon Sep 17 00:00:00 2001
From: Kalle Valo <kalle.valo@nokia.com>
Date: Tue, 13 Oct 2009 20:33:21 +0300
Subject: [PATCH 0536/1815] wl1251: use ieee80211_rx_ni()

Because of SPI and SDIO wl1251 does everything in a workqueue, including
calling ieee80211_rx() which should be called with bottom halves disabled.
An error message is emitted because of this:

NOHZ: local_softirq_pending 08

Fix this by using ieee80211_rx_ni().

Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1251_rx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/wl12xx/wl1251_rx.c b/drivers/net/wireless/wl12xx/wl1251_rx.c
index 17c54b59ef8..601fe0d6782 100644
--- a/drivers/net/wireless/wl12xx/wl1251_rx.c
+++ b/drivers/net/wireless/wl12xx/wl1251_rx.c
@@ -153,7 +153,7 @@ static void wl1251_rx_body(struct wl1251 *wl,
 		     beacon ? "beacon" : "");
 
 	memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status));
-	ieee80211_rx(wl->hw, skb);
+	ieee80211_rx_ni(wl->hw, skb);
 }
 
 static void wl1251_rx_ack(struct wl1251 *wl)
-- 
GitLab


From 5d78d34ba2d4a044983b599a697dc1d71af38c96 Mon Sep 17 00:00:00 2001
From: Ivo van Doorn <ivdoorn@gmail.com>
Date: Thu, 15 Oct 2009 21:38:19 +0200
Subject: [PATCH 0537/1815] rt2x00: Add rt2x00soc bus module

Add new library module for SoC drivers.
This is needed to fully support the platform
driver part of rt2800pci.

Based on original patch from Felix.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/Kconfig     |   4 +
 drivers/net/wireless/rt2x00/Makefile    |   1 +
 drivers/net/wireless/rt2x00/rt2x00soc.c | 159 ++++++++++++++++++++++++
 drivers/net/wireless/rt2x00/rt2x00soc.h |  52 ++++++++
 4 files changed, 216 insertions(+)
 create mode 100644 drivers/net/wireless/rt2x00/rt2x00soc.c
 create mode 100644 drivers/net/wireless/rt2x00/rt2x00soc.h

diff --git a/drivers/net/wireless/rt2x00/Kconfig b/drivers/net/wireless/rt2x00/Kconfig
index ed1f997e352..e86895ac2d7 100644
--- a/drivers/net/wireless/rt2x00/Kconfig
+++ b/drivers/net/wireless/rt2x00/Kconfig
@@ -95,6 +95,10 @@ config RT2X00_LIB_PCI
 	tristate
 	select RT2X00_LIB
 
+config RT2X00_LIB_SOC
+	tristate
+	select RT2X00_LIB
+
 config RT2X00_LIB_USB
 	tristate
 	select RT2X00_LIB
diff --git a/drivers/net/wireless/rt2x00/Makefile b/drivers/net/wireless/rt2x00/Makefile
index 13043ea9766..5b1ee4f6b8f 100644
--- a/drivers/net/wireless/rt2x00/Makefile
+++ b/drivers/net/wireless/rt2x00/Makefile
@@ -11,6 +11,7 @@ rt2x00lib-$(CONFIG_RT2X00_LIB_HT)	+= rt2x00ht.o
 
 obj-$(CONFIG_RT2X00_LIB)		+= rt2x00lib.o
 obj-$(CONFIG_RT2X00_LIB_PCI)		+= rt2x00pci.o
+obj-$(CONFIG_RT2X00_LIB_SOC)		+= rt2x00soc.o
 obj-$(CONFIG_RT2X00_LIB_USB)		+= rt2x00usb.o
 obj-$(CONFIG_RT2400PCI)			+= rt2400pci.o
 obj-$(CONFIG_RT2500PCI)			+= rt2500pci.o
diff --git a/drivers/net/wireless/rt2x00/rt2x00soc.c b/drivers/net/wireless/rt2x00/rt2x00soc.c
new file mode 100644
index 00000000000..539568c4895
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2x00soc.c
@@ -0,0 +1,159 @@
+/*
+	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	<http://rt2x00.serialmonkey.com>
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation; either version 2 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to the
+	Free Software Foundation, Inc.,
+	59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+	Module: rt2x00soc
+	Abstract: rt2x00 generic soc device routines.
+ */
+
+#include <linux/bug.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include "rt2x00.h"
+#include "rt2x00soc.h"
+
+static void rt2x00soc_free_reg(struct rt2x00_dev *rt2x00dev)
+{
+	kfree(rt2x00dev->rf);
+	rt2x00dev->rf = NULL;
+
+	kfree(rt2x00dev->eeprom);
+	rt2x00dev->eeprom = NULL;
+}
+
+static int rt2x00soc_alloc_reg(struct rt2x00_dev *rt2x00dev)
+{
+	struct platform_device *pdev = to_platform_device(rt2x00dev->dev);
+	struct resource *res;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res)
+		return -ENODEV;
+
+	rt2x00dev->csr.base = (void __iomem *)KSEG1ADDR(res->start);
+	if (!rt2x00dev->csr.base)
+		goto exit;
+
+	rt2x00dev->eeprom = kzalloc(rt2x00dev->ops->eeprom_size, GFP_KERNEL);
+	if (!rt2x00dev->eeprom)
+		goto exit;
+
+	rt2x00dev->rf = kzalloc(rt2x00dev->ops->rf_size, GFP_KERNEL);
+	if (!rt2x00dev->rf)
+		goto exit;
+
+	return 0;
+
+exit:
+	ERROR_PROBE("Failed to allocate registers.\n");
+	rt2x00soc_free_reg(rt2x00dev);
+
+	return -ENOMEM;
+}
+
+int rt2x00soc_probe(struct platform_device *pdev,
+		    const unsigned short chipset,
+		    const struct rt2x00_ops *ops)
+{
+	struct ieee80211_hw *hw;
+	struct rt2x00_dev *rt2x00dev;
+	int retval;
+
+	hw = ieee80211_alloc_hw(sizeof(struct rt2x00_dev), ops->hw);
+	if (!hw) {
+		ERROR_PROBE("Failed to allocate hardware.\n");
+		return -ENOMEM;
+	}
+
+	platform_set_drvdata(pdev, hw);
+
+	rt2x00dev = hw->priv;
+	rt2x00dev->dev = &pdev->dev;
+	rt2x00dev->ops = ops;
+	rt2x00dev->hw = hw;
+	rt2x00dev->irq = platform_get_irq(pdev, 0);
+	rt2x00dev->name = pdev->dev.driver->name;
+
+	rt2x00_set_chip_rt(rt2x00dev, chipset);
+
+	retval = rt2x00soc_alloc_reg(rt2x00dev);
+	if (retval)
+		goto exit_free_device;
+
+	retval = rt2x00lib_probe_dev(rt2x00dev);
+	if (retval)
+		goto exit_free_reg;
+
+	return 0;
+
+exit_free_reg:
+	rt2x00soc_free_reg(rt2x00dev);
+
+exit_free_device:
+	ieee80211_free_hw(hw);
+
+	return retval;
+}
+
+int rt2x00soc_remove(struct platform_device *pdev)
+{
+	struct ieee80211_hw *hw = platform_get_drvdata(pdev);
+	struct rt2x00_dev *rt2x00dev = hw->priv;
+
+	/*
+	 * Free all allocated data.
+	 */
+	rt2x00lib_remove_dev(rt2x00dev);
+	rt2x00soc_free_reg(rt2x00dev);
+	ieee80211_free_hw(hw);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(rt2x00soc_remove);
+
+#ifdef CONFIG_PM
+int rt2x00soc_suspend(struct platform_device *pdev, pm_message_t state)
+{
+	struct ieee80211_hw *hw = platform_get_drvdata(pdev);
+	struct rt2x00_dev *rt2x00dev = hw->priv;
+
+	return rt2x00lib_suspend(rt2x00dev, state);
+}
+EXPORT_SYMBOL_GPL(rt2x00soc_suspend);
+
+int rt2x00soc_resume(struct platform_device *pdev)
+{
+	struct ieee80211_hw *hw = platform_get_drvdata(pdev);
+	struct rt2x00_dev *rt2x00dev = hw->priv;
+
+	return rt2x00lib_resume(rt2x00dev);
+}
+EXPORT_SYMBOL_GPL(rt2x00soc_resume);
+#endif /* CONFIG_PM */
+
+/*
+ * rt2x00soc module information.
+ */
+MODULE_AUTHOR(DRV_PROJECT);
+MODULE_VERSION(DRV_VERSION);
+MODULE_DESCRIPTION("rt2x00 soc library");
+MODULE_LICENSE("GPL");
diff --git a/drivers/net/wireless/rt2x00/rt2x00soc.h b/drivers/net/wireless/rt2x00/rt2x00soc.h
new file mode 100644
index 00000000000..5cf114ac2b9
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2x00soc.h
@@ -0,0 +1,52 @@
+/*
+	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	<http://rt2x00.serialmonkey.com>
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation; either version 2 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to the
+	Free Software Foundation, Inc.,
+	59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+	Module: rt2x00soc
+	Abstract: Data structures for the rt2x00soc module.
+ */
+
+#ifndef RT2X00SOC_H
+#define RT2X00SOC_H
+
+#define KSEG1ADDR(__ptr) __ptr
+
+#define __rt2x00soc_probe(__chipset, __ops) \
+static int __rt2x00soc_probe(struct platform_device *pdev) \
+{ \
+	return rt2x00soc_probe(pdev, (__chipset), (__ops)); \
+}
+
+/*
+ * SoC driver handlers.
+ */
+int rt2x00soc_probe(struct platform_device *pdev,
+		    const unsigned short chipset,
+		    const struct rt2x00_ops *ops);
+int rt2x00soc_remove(struct platform_device *pdev);
+#ifdef CONFIG_PM
+int rt2x00soc_suspend(struct platform_device *pdev, pm_message_t state);
+int rt2x00soc_resume(struct platform_device *pdev);
+#else
+#define rt2x00soc_suspend	NULL
+#define rt2x00soc_resume	NULL
+#endif /* CONFIG_PM */
+
+#endif /* RT2X00SOC_H */
-- 
GitLab


From a9b3a9f7214b3acc56330c2257aeaa5fa85bf520 Mon Sep 17 00:00:00 2001
From: Ivo van Doorn <ivdoorn@gmail.com>
Date: Thu, 15 Oct 2009 22:04:14 +0200
Subject: [PATCH 0538/1815] rt2x00: Implement support for rt2800pci

Add support for the rt2860/rt3090 chipsets from Ralink.

Includes various patches from a lot of people who helped
getting this driver into the current shape.

Signed-off-by: Alban Browaeys <prahal@yahoo.com>
Signed-off-by: Benoit PAPILLAULT <benoit.papillault@free.fr>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Luis Correia <luis.f.correia@gmail.com>
Signed-off-by: Mattias Nissler <mattias.nissler@gmx.de>
Signed-off-by: Mark Asselstine <asselsm@gmail.com>
Signed-off-by: Xose Vazquez Perez <xose.vazquez@gmail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/Kconfig     |   26 +
 drivers/net/wireless/rt2x00/Makefile    |    1 +
 drivers/net/wireless/rt2x00/rt2800pci.c | 3323 +++++++++++++++++++++++
 drivers/net/wireless/rt2x00/rt2800pci.h | 1960 +++++++++++++
 drivers/net/wireless/rt2x00/rt2x00.h    |    7 +
 5 files changed, 5317 insertions(+)
 create mode 100644 drivers/net/wireless/rt2x00/rt2800pci.c
 create mode 100644 drivers/net/wireless/rt2x00/rt2800pci.h

diff --git a/drivers/net/wireless/rt2x00/Kconfig b/drivers/net/wireless/rt2x00/Kconfig
index e86895ac2d7..390c0c7b3ac 100644
--- a/drivers/net/wireless/rt2x00/Kconfig
+++ b/drivers/net/wireless/rt2x00/Kconfig
@@ -53,6 +53,32 @@ config RT61PCI
 
 	  When compiled as a module, this driver will be called rt61pci.
 
+config RT2800PCI_PCI
+	tristate
+	depends on PCI
+	default y
+
+config RT2800PCI_SOC
+	tristate
+	depends on RALINK_RT288X || RALINK_RT305X
+	default y
+
+config RT2800PCI
+	tristate "Ralink rt2800 (PCI/PCMCIA) support"
+	depends on (RT2800PCI_PCI || RT2800PCI_SOC) && EXPERIMENTAL
+	select RT2X00_LIB_PCI if RT2800PCI_PCI
+	select RT2X00_LIB_SOC if RT2800PCI_SOC
+	select RT2X00_LIB_HT
+	select RT2X00_LIB_FIRMWARE
+	select RT2X00_LIB_CRYPTO
+	select CRC_CCITT
+	select EEPROM_93CX6
+	---help---
+	  This adds support for rt2800 wireless chipset family.
+	  Supported chips: RT2760, RT2790, RT2860, RT2880, RT2890 & RT3052
+
+	  When compiled as a module, this driver will be called "rt2800pci.ko".
+
 config RT2500USB
 	tristate "Ralink rt2500 (USB) support"
 	depends on USB
diff --git a/drivers/net/wireless/rt2x00/Makefile b/drivers/net/wireless/rt2x00/Makefile
index 5b1ee4f6b8f..912f5f67e15 100644
--- a/drivers/net/wireless/rt2x00/Makefile
+++ b/drivers/net/wireless/rt2x00/Makefile
@@ -16,6 +16,7 @@ obj-$(CONFIG_RT2X00_LIB_USB)		+= rt2x00usb.o
 obj-$(CONFIG_RT2400PCI)			+= rt2400pci.o
 obj-$(CONFIG_RT2500PCI)			+= rt2500pci.o
 obj-$(CONFIG_RT61PCI)			+= rt61pci.o
+obj-$(CONFIG_RT2800PCI)			+= rt2800pci.o
 obj-$(CONFIG_RT2500USB)			+= rt2500usb.o
 obj-$(CONFIG_RT73USB)			+= rt73usb.o
 obj-$(CONFIG_RT2800USB)			+= rt2800usb.o
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
new file mode 100644
index 00000000000..be81788b80c
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -0,0 +1,3323 @@
+/*
+	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	<http://rt2x00.serialmonkey.com>
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation; either version 2 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to the
+	Free Software Foundation, Inc.,
+	59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+	Module: rt2800pci
+	Abstract: rt2800pci device specific routines.
+	Supported chipsets: RT2800E & RT2800ED.
+ */
+
+#include <linux/crc-ccitt.h>
+#include <linux/delay.h>
+#include <linux/etherdevice.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/platform_device.h>
+#include <linux/eeprom_93cx6.h>
+
+#include "rt2x00.h"
+#include "rt2x00pci.h"
+#include "rt2x00soc.h"
+#include "rt2800pci.h"
+
+#ifdef CONFIG_RT2800PCI_PCI_MODULE
+#define CONFIG_RT2800PCI_PCI
+#endif
+
+#ifdef CONFIG_RT2800PCI_WISOC_MODULE
+#define CONFIG_RT2800PCI_WISOC
+#endif
+
+/*
+ * Allow hardware encryption to be disabled.
+ */
+static int modparam_nohwcrypt = 1;
+module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
+MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
+
+/*
+ * Register access.
+ * BBP and RF register require indirect register access,
+ * and use the CSR registers PHY_CSR3 and PHY_CSR4 to achieve this.
+ * These indirect registers work with busy bits,
+ * and we will try maximal REGISTER_BUSY_COUNT times to access
+ * the register while taking a REGISTER_BUSY_DELAY us delay
+ * between each attampt. When the busy bit is still set at that time,
+ * the access attempt is considered to have failed,
+ * and we will print an error.
+ */
+#define WAIT_FOR_BBP(__dev, __reg) \
+	rt2x00pci_regbusy_read((__dev), BBP_CSR_CFG, BBP_CSR_CFG_BUSY, (__reg))
+#define WAIT_FOR_RFCSR(__dev, __reg) \
+	rt2x00pci_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY, (__reg))
+#define WAIT_FOR_RF(__dev, __reg) \
+	rt2x00pci_regbusy_read((__dev), RF_CSR_CFG0, RF_CSR_CFG0_BUSY, (__reg))
+#define WAIT_FOR_MCU(__dev, __reg) \
+	rt2x00pci_regbusy_read((__dev), H2M_MAILBOX_CSR, \
+			       H2M_MAILBOX_CSR_OWNER, (__reg))
+
+static void rt2800pci_bbp_write(struct rt2x00_dev *rt2x00dev,
+				const unsigned int word, const u8 value)
+{
+	u32 reg;
+
+	mutex_lock(&rt2x00dev->csr_mutex);
+
+	/*
+	 * Wait until the BBP becomes available, afterwards we
+	 * can safely write the new data into the register.
+	 */
+	if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
+		reg = 0;
+		rt2x00_set_field32(&reg, BBP_CSR_CFG_VALUE, value);
+		rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
+		rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
+		rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 0);
+		rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
+
+		rt2x00pci_register_write(rt2x00dev, BBP_CSR_CFG, reg);
+	}
+
+	mutex_unlock(&rt2x00dev->csr_mutex);
+}
+
+static void rt2800pci_bbp_read(struct rt2x00_dev *rt2x00dev,
+			       const unsigned int word, u8 *value)
+{
+	u32 reg;
+
+	mutex_lock(&rt2x00dev->csr_mutex);
+
+	/*
+	 * Wait until the BBP becomes available, afterwards we
+	 * can safely write the read request into the register.
+	 * After the data has been written, we wait until hardware
+	 * returns the correct value, if at any time the register
+	 * doesn't become available in time, reg will be 0xffffffff
+	 * which means we return 0xff to the caller.
+	 */
+	if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
+		reg = 0;
+		rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
+		rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
+		rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 1);
+		rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
+
+		rt2x00pci_register_write(rt2x00dev, BBP_CSR_CFG, reg);
+
+		WAIT_FOR_BBP(rt2x00dev, &reg);
+	}
+
+	*value = rt2x00_get_field32(reg, BBP_CSR_CFG_VALUE);
+
+	mutex_unlock(&rt2x00dev->csr_mutex);
+}
+
+static void rt2800pci_rfcsr_write(struct rt2x00_dev *rt2x00dev,
+				  const unsigned int word, const u8 value)
+{
+	u32 reg;
+
+	mutex_lock(&rt2x00dev->csr_mutex);
+
+	/*
+	 * Wait until the RFCSR becomes available, afterwards we
+	 * can safely write the new data into the register.
+	 */
+	if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
+		reg = 0;
+		rt2x00_set_field32(&reg, RF_CSR_CFG_DATA, value);
+		rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
+		rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 1);
+		rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
+
+		rt2x00pci_register_write(rt2x00dev, RF_CSR_CFG, reg);
+	}
+
+	mutex_unlock(&rt2x00dev->csr_mutex);
+}
+
+static void rt2800pci_rfcsr_read(struct rt2x00_dev *rt2x00dev,
+				 const unsigned int word, u8 *value)
+{
+	u32 reg;
+
+	mutex_lock(&rt2x00dev->csr_mutex);
+
+	/*
+	 * Wait until the RFCSR becomes available, afterwards we
+	 * can safely write the read request into the register.
+	 * After the data has been written, we wait until hardware
+	 * returns the correct value, if at any time the register
+	 * doesn't become available in time, reg will be 0xffffffff
+	 * which means we return 0xff to the caller.
+	 */
+	if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
+		reg = 0;
+		rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
+		rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 0);
+		rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
+
+		rt2x00pci_register_write(rt2x00dev, RF_CSR_CFG, reg);
+
+		WAIT_FOR_RFCSR(rt2x00dev, &reg);
+	}
+
+	*value = rt2x00_get_field32(reg, RF_CSR_CFG_DATA);
+
+	mutex_unlock(&rt2x00dev->csr_mutex);
+}
+
+static void rt2800pci_rf_write(struct rt2x00_dev *rt2x00dev,
+			       const unsigned int word, const u32 value)
+{
+	u32 reg;
+
+	mutex_lock(&rt2x00dev->csr_mutex);
+
+	/*
+	 * Wait until the RF becomes available, afterwards we
+	 * can safely write the new data into the register.
+	 */
+	if (WAIT_FOR_RF(rt2x00dev, &reg)) {
+		reg = 0;
+		rt2x00_set_field32(&reg, RF_CSR_CFG0_REG_VALUE_BW, value);
+		rt2x00_set_field32(&reg, RF_CSR_CFG0_STANDBYMODE, 0);
+		rt2x00_set_field32(&reg, RF_CSR_CFG0_SEL, 0);
+		rt2x00_set_field32(&reg, RF_CSR_CFG0_BUSY, 1);
+
+		rt2x00pci_register_write(rt2x00dev, RF_CSR_CFG0, reg);
+		rt2x00_rf_write(rt2x00dev, word, value);
+	}
+
+	mutex_unlock(&rt2x00dev->csr_mutex);
+}
+
+static void rt2800pci_mcu_request(struct rt2x00_dev *rt2x00dev,
+				  const u8 command, const u8 token,
+				  const u8 arg0, const u8 arg1)
+{
+	u32 reg;
+
+	/*
+	 * RT2880 and RT3052 don't support MCU requests.
+	 */
+	if (rt2x00_rt(&rt2x00dev->chip, RT2880) ||
+	    rt2x00_rt(&rt2x00dev->chip, RT3052))
+		return;
+
+	mutex_lock(&rt2x00dev->csr_mutex);
+
+	/*
+	 * Wait until the MCU becomes available, afterwards we
+	 * can safely write the new data into the register.
+	 */
+	if (WAIT_FOR_MCU(rt2x00dev, &reg)) {
+		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_OWNER, 1);
+		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_CMD_TOKEN, token);
+		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG0, arg0);
+		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG1, arg1);
+		rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CSR, reg);
+
+		reg = 0;
+		rt2x00_set_field32(&reg, HOST_CMD_CSR_HOST_COMMAND, command);
+		rt2x00pci_register_write(rt2x00dev, HOST_CMD_CSR, reg);
+	}
+
+	mutex_unlock(&rt2x00dev->csr_mutex);
+}
+
+static void rt2800pci_mcu_status(struct rt2x00_dev *rt2x00dev, const u8 token)
+{
+	unsigned int i;
+	u32 reg;
+
+	for (i = 0; i < 200; i++) {
+		rt2x00pci_register_read(rt2x00dev, H2M_MAILBOX_CID, &reg);
+
+		if ((rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD0) == token) ||
+		    (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD1) == token) ||
+		    (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD2) == token) ||
+		    (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD3) == token))
+			break;
+
+		udelay(REGISTER_BUSY_DELAY);
+	}
+
+	if (i == 200)
+		ERROR(rt2x00dev, "MCU request failed, no response from hardware\n");
+
+	rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
+	rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
+}
+
+#ifdef CONFIG_RT2800PCI_WISOC
+static void rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev)
+{
+	u32 *base_addr = (u32 *) KSEG1ADDR(0x1F040000); /* XXX for RT3052 */
+
+	memcpy_fromio(rt2x00dev->eeprom, base_addr, EEPROM_SIZE);
+}
+#else
+static inline void rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev)
+{
+}
+#endif /* CONFIG_RT2800PCI_WISOC */
+
+#ifdef CONFIG_RT2800PCI_PCI
+static void rt2800pci_eepromregister_read(struct eeprom_93cx6 *eeprom)
+{
+	struct rt2x00_dev *rt2x00dev = eeprom->data;
+	u32 reg;
+
+	rt2x00pci_register_read(rt2x00dev, E2PROM_CSR, &reg);
+
+	eeprom->reg_data_in = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_IN);
+	eeprom->reg_data_out = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_OUT);
+	eeprom->reg_data_clock =
+	    !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_CLOCK);
+	eeprom->reg_chip_select =
+	    !!rt2x00_get_field32(reg, E2PROM_CSR_CHIP_SELECT);
+}
+
+static void rt2800pci_eepromregister_write(struct eeprom_93cx6 *eeprom)
+{
+	struct rt2x00_dev *rt2x00dev = eeprom->data;
+	u32 reg = 0;
+
+	rt2x00_set_field32(&reg, E2PROM_CSR_DATA_IN, !!eeprom->reg_data_in);
+	rt2x00_set_field32(&reg, E2PROM_CSR_DATA_OUT, !!eeprom->reg_data_out);
+	rt2x00_set_field32(&reg, E2PROM_CSR_DATA_CLOCK,
+			   !!eeprom->reg_data_clock);
+	rt2x00_set_field32(&reg, E2PROM_CSR_CHIP_SELECT,
+			   !!eeprom->reg_chip_select);
+
+	rt2x00pci_register_write(rt2x00dev, E2PROM_CSR, reg);
+}
+
+static void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev)
+{
+	struct eeprom_93cx6 eeprom;
+	u32 reg;
+
+	rt2x00pci_register_read(rt2x00dev, E2PROM_CSR, &reg);
+
+	eeprom.data = rt2x00dev;
+	eeprom.register_read = rt2800pci_eepromregister_read;
+	eeprom.register_write = rt2800pci_eepromregister_write;
+	eeprom.width = !rt2x00_get_field32(reg, E2PROM_CSR_TYPE) ?
+	    PCI_EEPROM_WIDTH_93C46 : PCI_EEPROM_WIDTH_93C66;
+	eeprom.reg_data_in = 0;
+	eeprom.reg_data_out = 0;
+	eeprom.reg_data_clock = 0;
+	eeprom.reg_chip_select = 0;
+
+	eeprom_93cx6_multiread(&eeprom, EEPROM_BASE, rt2x00dev->eeprom,
+			       EEPROM_SIZE / sizeof(u16));
+}
+
+static void rt2800pci_efuse_read(struct rt2x00_dev *rt2x00dev,
+				 unsigned int i)
+{
+	u32 reg;
+
+	rt2x00pci_register_read(rt2x00dev, EFUSE_CTRL, &reg);
+	rt2x00_set_field32(&reg, EFUSE_CTRL_ADDRESS_IN, i);
+	rt2x00_set_field32(&reg, EFUSE_CTRL_MODE, 0);
+	rt2x00_set_field32(&reg, EFUSE_CTRL_KICK, 1);
+	rt2x00pci_register_write(rt2x00dev, EFUSE_CTRL, reg);
+
+	/* Wait until the EEPROM has been loaded */
+	rt2x00pci_regbusy_read(rt2x00dev, EFUSE_CTRL, EFUSE_CTRL_KICK, &reg);
+
+	/* Apparently the data is read from end to start */
+	rt2x00pci_register_read(rt2x00dev, EFUSE_DATA3,
+				(u32 *)&rt2x00dev->eeprom[i]);
+	rt2x00pci_register_read(rt2x00dev, EFUSE_DATA2,
+				(u32 *)&rt2x00dev->eeprom[i + 2]);
+	rt2x00pci_register_read(rt2x00dev, EFUSE_DATA1,
+				(u32 *)&rt2x00dev->eeprom[i + 4]);
+	rt2x00pci_register_read(rt2x00dev, EFUSE_DATA0,
+				(u32 *)&rt2x00dev->eeprom[i + 6]);
+}
+
+static void rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
+{
+	unsigned int i;
+
+	for (i = 0; i < EEPROM_SIZE / sizeof(u16); i += 8)
+		rt2800pci_efuse_read(rt2x00dev, i);
+}
+#else
+static inline void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev)
+{
+}
+
+static inline void rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
+{
+}
+#endif /* CONFIG_RT2800PCI_PCI */
+
+#ifdef CONFIG_RT2X00_LIB_DEBUGFS
+static const struct rt2x00debug rt2800pci_rt2x00debug = {
+	.owner	= THIS_MODULE,
+	.csr	= {
+		.read		= rt2x00pci_register_read,
+		.write		= rt2x00pci_register_write,
+		.flags		= RT2X00DEBUGFS_OFFSET,
+		.word_base	= CSR_REG_BASE,
+		.word_size	= sizeof(u32),
+		.word_count	= CSR_REG_SIZE / sizeof(u32),
+	},
+	.eeprom	= {
+		.read		= rt2x00_eeprom_read,
+		.write		= rt2x00_eeprom_write,
+		.word_base	= EEPROM_BASE,
+		.word_size	= sizeof(u16),
+		.word_count	= EEPROM_SIZE / sizeof(u16),
+	},
+	.bbp	= {
+		.read		= rt2800pci_bbp_read,
+		.write		= rt2800pci_bbp_write,
+		.word_base	= BBP_BASE,
+		.word_size	= sizeof(u8),
+		.word_count	= BBP_SIZE / sizeof(u8),
+	},
+	.rf	= {
+		.read		= rt2x00_rf_read,
+		.write		= rt2800pci_rf_write,
+		.word_base	= RF_BASE,
+		.word_size	= sizeof(u32),
+		.word_count	= RF_SIZE / sizeof(u32),
+	},
+};
+#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
+
+static int rt2800pci_rfkill_poll(struct rt2x00_dev *rt2x00dev)
+{
+	u32 reg;
+
+	rt2x00pci_register_read(rt2x00dev, GPIO_CTRL_CFG, &reg);
+	return rt2x00_get_field32(reg, GPIO_CTRL_CFG_BIT2);
+}
+
+#ifdef CONFIG_RT2X00_LIB_LEDS
+static void rt2800pci_brightness_set(struct led_classdev *led_cdev,
+				     enum led_brightness brightness)
+{
+	struct rt2x00_led *led =
+	    container_of(led_cdev, struct rt2x00_led, led_dev);
+	unsigned int enabled = brightness != LED_OFF;
+	unsigned int bg_mode =
+	    (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ);
+	unsigned int polarity =
+		rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
+				   EEPROM_FREQ_LED_POLARITY);
+	unsigned int ledmode =
+		rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
+				   EEPROM_FREQ_LED_MODE);
+
+	if (led->type == LED_TYPE_RADIO) {
+		rt2800pci_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
+				      enabled ? 0x20 : 0);
+	} else if (led->type == LED_TYPE_ASSOC) {
+		rt2800pci_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
+				      enabled ? (bg_mode ? 0x60 : 0xa0) : 0x20);
+	} else if (led->type == LED_TYPE_QUALITY) {
+		/*
+		 * The brightness is divided into 6 levels (0 - 5),
+		 * The specs tell us the following levels:
+		 *	0, 1 ,3, 7, 15, 31
+		 * to determine the level in a simple way we can simply
+		 * work with bitshifting:
+		 *	(1 << level) - 1
+		 */
+		rt2800pci_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff,
+				      (1 << brightness / (LED_FULL / 6)) - 1,
+				      polarity);
+	}
+}
+
+static int rt2800pci_blink_set(struct led_classdev *led_cdev,
+			       unsigned long *delay_on,
+			       unsigned long *delay_off)
+{
+	struct rt2x00_led *led =
+	    container_of(led_cdev, struct rt2x00_led, led_dev);
+	u32 reg;
+
+	rt2x00pci_register_read(led->rt2x00dev, LED_CFG, &reg);
+	rt2x00_set_field32(&reg, LED_CFG_ON_PERIOD, *delay_on);
+	rt2x00_set_field32(&reg, LED_CFG_OFF_PERIOD, *delay_off);
+	rt2x00_set_field32(&reg, LED_CFG_SLOW_BLINK_PERIOD, 3);
+	rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE, 3);
+	rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, 12);
+	rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE, 3);
+	rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, 1);
+	rt2x00pci_register_write(led->rt2x00dev, LED_CFG, reg);
+
+	return 0;
+}
+
+static void rt2800pci_init_led(struct rt2x00_dev *rt2x00dev,
+			       struct rt2x00_led *led,
+			       enum led_type type)
+{
+	led->rt2x00dev = rt2x00dev;
+	led->type = type;
+	led->led_dev.brightness_set = rt2800pci_brightness_set;
+	led->led_dev.blink_set = rt2800pci_blink_set;
+	led->flags = LED_INITIALIZED;
+}
+#endif /* CONFIG_RT2X00_LIB_LEDS */
+
+/*
+ * Configuration handlers.
+ */
+static void rt2800pci_config_wcid_attr(struct rt2x00_dev *rt2x00dev,
+				       struct rt2x00lib_crypto *crypto,
+				       struct ieee80211_key_conf *key)
+{
+	struct mac_wcid_entry wcid_entry;
+	struct mac_iveiv_entry iveiv_entry;
+	u32 offset;
+	u32 reg;
+
+	offset = MAC_WCID_ATTR_ENTRY(key->hw_key_idx);
+
+	rt2x00pci_register_read(rt2x00dev, offset, &reg);
+	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_KEYTAB,
+			   !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE));
+	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER,
+			   (crypto->cmd == SET_KEY) * crypto->cipher);
+	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX,
+			   (crypto->cmd == SET_KEY) * crypto->bssidx);
+	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, crypto->cipher);
+	rt2x00pci_register_write(rt2x00dev, offset, reg);
+
+	offset = MAC_IVEIV_ENTRY(key->hw_key_idx);
+
+	memset(&iveiv_entry, 0, sizeof(iveiv_entry));
+	if ((crypto->cipher == CIPHER_TKIP) ||
+	    (crypto->cipher == CIPHER_TKIP_NO_MIC) ||
+	    (crypto->cipher == CIPHER_AES))
+		iveiv_entry.iv[3] |= 0x20;
+	iveiv_entry.iv[3] |= key->keyidx << 6;
+	rt2x00pci_register_multiwrite(rt2x00dev, offset,
+				      &iveiv_entry, sizeof(iveiv_entry));
+
+	offset = MAC_WCID_ENTRY(key->hw_key_idx);
+
+	memset(&wcid_entry, 0, sizeof(wcid_entry));
+	if (crypto->cmd == SET_KEY)
+		memcpy(&wcid_entry, crypto->address, ETH_ALEN);
+	rt2x00pci_register_multiwrite(rt2x00dev, offset,
+				      &wcid_entry, sizeof(wcid_entry));
+}
+
+static int rt2800pci_config_shared_key(struct rt2x00_dev *rt2x00dev,
+				       struct rt2x00lib_crypto *crypto,
+				       struct ieee80211_key_conf *key)
+{
+	struct hw_key_entry key_entry;
+	struct rt2x00_field32 field;
+	u32 offset;
+	u32 reg;
+
+	if (crypto->cmd == SET_KEY) {
+		key->hw_key_idx = (4 * crypto->bssidx) + key->keyidx;
+
+		memcpy(key_entry.key, crypto->key,
+		       sizeof(key_entry.key));
+		memcpy(key_entry.tx_mic, crypto->tx_mic,
+		       sizeof(key_entry.tx_mic));
+		memcpy(key_entry.rx_mic, crypto->rx_mic,
+		       sizeof(key_entry.rx_mic));
+
+		offset = SHARED_KEY_ENTRY(key->hw_key_idx);
+		rt2x00pci_register_multiwrite(rt2x00dev, offset,
+					      &key_entry, sizeof(key_entry));
+	}
+
+	/*
+	 * The cipher types are stored over multiple registers
+	 * starting with SHARED_KEY_MODE_BASE each word will have
+	 * 32 bits and contains the cipher types for 2 bssidx each.
+	 * Using the correct defines correctly will cause overhead,
+	 * so just calculate the correct offset.
+	 */
+	field.bit_offset = 4 * (key->hw_key_idx % 8);
+	field.bit_mask = 0x7 << field.bit_offset;
+
+	offset = SHARED_KEY_MODE_ENTRY(key->hw_key_idx / 8);
+
+	rt2x00pci_register_read(rt2x00dev, offset, &reg);
+	rt2x00_set_field32(&reg, field,
+			   (crypto->cmd == SET_KEY) * crypto->cipher);
+	rt2x00pci_register_write(rt2x00dev, offset, reg);
+
+	/*
+	 * Update WCID information
+	 */
+	rt2800pci_config_wcid_attr(rt2x00dev, crypto, key);
+
+	return 0;
+}
+
+static int rt2800pci_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
+					 struct rt2x00lib_crypto *crypto,
+					 struct ieee80211_key_conf *key)
+{
+	struct hw_key_entry key_entry;
+	u32 offset;
+
+	if (crypto->cmd == SET_KEY) {
+		/*
+		 * 1 pairwise key is possible per AID, this means that the AID
+		 * equals our hw_key_idx. Make sure the WCID starts _after_ the
+		 * last possible shared key entry.
+		 */
+		if (crypto->aid > (256 - 32))
+			return -ENOSPC;
+
+		key->hw_key_idx = 32 + crypto->aid;
+
+
+		memcpy(key_entry.key, crypto->key,
+		       sizeof(key_entry.key));
+		memcpy(key_entry.tx_mic, crypto->tx_mic,
+		       sizeof(key_entry.tx_mic));
+		memcpy(key_entry.rx_mic, crypto->rx_mic,
+		       sizeof(key_entry.rx_mic));
+
+		offset = PAIRWISE_KEY_ENTRY(key->hw_key_idx);
+		rt2x00pci_register_multiwrite(rt2x00dev, offset,
+					      &key_entry, sizeof(key_entry));
+	}
+
+	/*
+	 * Update WCID information
+	 */
+	rt2800pci_config_wcid_attr(rt2x00dev, crypto, key);
+
+	return 0;
+}
+
+static void rt2800pci_config_filter(struct rt2x00_dev *rt2x00dev,
+				    const unsigned int filter_flags)
+{
+	u32 reg;
+
+	/*
+	 * Start configuration steps.
+	 * Note that the version error will always be dropped
+	 * and broadcast frames will always be accepted since
+	 * there is no filter for it at this time.
+	 */
+	rt2x00pci_register_read(rt2x00dev, RX_FILTER_CFG, &reg);
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CRC_ERROR,
+			   !(filter_flags & FIF_FCSFAIL));
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PHY_ERROR,
+			   !(filter_flags & FIF_PLCPFAIL));
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_TO_ME,
+			   !(filter_flags & FIF_PROMISC_IN_BSS));
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_MY_BSSD, 0);
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_VER_ERROR, 1);
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_MULTICAST,
+			   !(filter_flags & FIF_ALLMULTI));
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BROADCAST, 0);
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_DUPLICATE, 1);
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END_ACK,
+			   !(filter_flags & FIF_CONTROL));
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END,
+			   !(filter_flags & FIF_CONTROL));
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_ACK,
+			   !(filter_flags & FIF_CONTROL));
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CTS,
+			   !(filter_flags & FIF_CONTROL));
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_RTS,
+			   !(filter_flags & FIF_CONTROL));
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PSPOLL,
+			   !(filter_flags & FIF_PSPOLL));
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BA, 1);
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BAR, 0);
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CNTL,
+			   !(filter_flags & FIF_CONTROL));
+	rt2x00pci_register_write(rt2x00dev, RX_FILTER_CFG, reg);
+}
+
+static void rt2800pci_config_intf(struct rt2x00_dev *rt2x00dev,
+				  struct rt2x00_intf *intf,
+				  struct rt2x00intf_conf *conf,
+				  const unsigned int flags)
+{
+	unsigned int beacon_base;
+	u32 reg;
+
+	if (flags & CONFIG_UPDATE_TYPE) {
+		/*
+		 * Clear current synchronisation setup.
+		 * For the Beacon base registers we only need to clear
+		 * the first byte since that byte contains the VALID and OWNER
+		 * bits which (when set to 0) will invalidate the entire beacon.
+		 */
+		beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
+		rt2x00pci_register_write(rt2x00dev, beacon_base, 0);
+
+		/*
+		 * Enable synchronisation.
+		 */
+		rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
+		rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
+		rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, conf->sync);
+		rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
+		rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+	}
+
+	if (flags & CONFIG_UPDATE_MAC) {
+		reg = le32_to_cpu(conf->mac[1]);
+		rt2x00_set_field32(&reg, MAC_ADDR_DW1_UNICAST_TO_ME_MASK, 0xff);
+		conf->mac[1] = cpu_to_le32(reg);
+
+		rt2x00pci_register_multiwrite(rt2x00dev, MAC_ADDR_DW0,
+					      conf->mac, sizeof(conf->mac));
+	}
+
+	if (flags & CONFIG_UPDATE_BSSID) {
+		reg = le32_to_cpu(conf->bssid[1]);
+		rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_ID_MASK, 0);
+		rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_BCN_NUM, 0);
+		conf->bssid[1] = cpu_to_le32(reg);
+
+		rt2x00pci_register_multiwrite(rt2x00dev, MAC_BSSID_DW0,
+					      conf->bssid, sizeof(conf->bssid));
+	}
+}
+
+static void rt2800pci_config_erp(struct rt2x00_dev *rt2x00dev,
+				 struct rt2x00lib_erp *erp)
+{
+	u32 reg;
+
+	rt2x00pci_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
+	rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_RX_ACK_TIMEOUT, 0x20);
+	rt2x00pci_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
+
+	rt2x00pci_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
+	rt2x00_set_field32(&reg, AUTO_RSP_CFG_BAC_ACK_POLICY,
+			   !!erp->short_preamble);
+	rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE,
+			   !!erp->short_preamble);
+	rt2x00pci_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
+
+	rt2x00pci_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL,
+			   erp->cts_protection ? 2 : 0);
+	rt2x00pci_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
+
+	rt2x00pci_register_write(rt2x00dev, LEGACY_BASIC_RATE,
+				 erp->basic_rates);
+	rt2x00pci_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
+
+	rt2x00pci_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
+	rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME, erp->slot_time);
+	rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_CC_DELAY_TIME, 2);
+	rt2x00pci_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
+
+	rt2x00pci_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
+	rt2x00_set_field32(&reg, XIFS_TIME_CFG_CCKM_SIFS_TIME, erp->sifs);
+	rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_SIFS_TIME, erp->sifs);
+	rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_XIFS_TIME, 4);
+	rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, erp->eifs);
+	rt2x00_set_field32(&reg, XIFS_TIME_CFG_BB_RXEND_ENABLE, 1);
+	rt2x00pci_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
+
+	rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
+	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL,
+			   erp->beacon_int * 16);
+	rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+}
+
+static void rt2800pci_config_ant(struct rt2x00_dev *rt2x00dev,
+				 struct antenna_setup *ant)
+{
+	u8 r1;
+	u8 r3;
+
+	rt2800pci_bbp_read(rt2x00dev, 1, &r1);
+	rt2800pci_bbp_read(rt2x00dev, 3, &r3);
+
+	/*
+	 * Configure the TX antenna.
+	 */
+	switch ((int)ant->tx) {
+	case 1:
+		rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0);
+		rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
+		break;
+	case 2:
+		rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2);
+		break;
+	case 3:
+		/* Do nothing */
+		break;
+	}
+
+	/*
+	 * Configure the RX antenna.
+	 */
+	switch ((int)ant->rx) {
+	case 1:
+		rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
+		break;
+	case 2:
+		rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 1);
+		break;
+	case 3:
+		rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 2);
+		break;
+	}
+
+	rt2800pci_bbp_write(rt2x00dev, 3, r3);
+	rt2800pci_bbp_write(rt2x00dev, 1, r1);
+}
+
+static void rt2800pci_config_lna_gain(struct rt2x00_dev *rt2x00dev,
+				      struct rt2x00lib_conf *libconf)
+{
+	u16 eeprom;
+	short lna_gain;
+
+	if (libconf->rf.channel <= 14) {
+		rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
+		lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_BG);
+	} else if (libconf->rf.channel <= 64) {
+		rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
+		lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_A0);
+	} else if (libconf->rf.channel <= 128) {
+		rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &eeprom);
+		lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_LNA_A1);
+	} else {
+		rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &eeprom);
+		lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_LNA_A2);
+	}
+
+	rt2x00dev->lna_gain = lna_gain;
+}
+
+static void rt2800pci_config_channel_rt2x(struct rt2x00_dev *rt2x00dev,
+					  struct ieee80211_conf *conf,
+					  struct rf_channel *rf,
+					  struct channel_info *info)
+{
+	rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
+
+	if (rt2x00dev->default_ant.tx == 1)
+		rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_TX1, 1);
+
+	if (rt2x00dev->default_ant.rx == 1) {
+		rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX1, 1);
+		rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
+	} else if (rt2x00dev->default_ant.rx == 2)
+		rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
+
+	if (rf->channel > 14) {
+		/*
+		 * When TX power is below 0, we should increase it by 7 to
+		 * make it a positive value (Minumum value is -7).
+		 * However this means that values between 0 and 7 have
+		 * double meaning, and we should set a 7DBm boost flag.
+		 */
+		rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A_7DBM_BOOST,
+				   (info->tx_power1 >= 0));
+
+		if (info->tx_power1 < 0)
+			info->tx_power1 += 7;
+
+		rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A,
+				   TXPOWER_A_TO_DEV(info->tx_power1));
+
+		rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A_7DBM_BOOST,
+				   (info->tx_power2 >= 0));
+
+		if (info->tx_power2 < 0)
+			info->tx_power2 += 7;
+
+		rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A,
+				   TXPOWER_A_TO_DEV(info->tx_power2));
+	} else {
+		rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_G,
+				   TXPOWER_G_TO_DEV(info->tx_power1));
+		rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_G,
+				   TXPOWER_G_TO_DEV(info->tx_power2));
+	}
+
+	rt2x00_set_field32(&rf->rf4, RF4_HT40, conf_is_ht40(conf));
+
+	rt2800pci_rf_write(rt2x00dev, 1, rf->rf1);
+	rt2800pci_rf_write(rt2x00dev, 2, rf->rf2);
+	rt2800pci_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
+	rt2800pci_rf_write(rt2x00dev, 4, rf->rf4);
+
+	udelay(200);
+
+	rt2800pci_rf_write(rt2x00dev, 1, rf->rf1);
+	rt2800pci_rf_write(rt2x00dev, 2, rf->rf2);
+	rt2800pci_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
+	rt2800pci_rf_write(rt2x00dev, 4, rf->rf4);
+
+	udelay(200);
+
+	rt2800pci_rf_write(rt2x00dev, 1, rf->rf1);
+	rt2800pci_rf_write(rt2x00dev, 2, rf->rf2);
+	rt2800pci_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
+	rt2800pci_rf_write(rt2x00dev, 4, rf->rf4);
+}
+
+static void rt2800pci_config_channel_rt3x(struct rt2x00_dev *rt2x00dev,
+					  struct ieee80211_conf *conf,
+					  struct rf_channel *rf,
+					  struct channel_info *info)
+{
+	u8 rfcsr;
+
+	rt2800pci_rfcsr_write(rt2x00dev, 2, rf->rf1);
+	rt2800pci_rfcsr_write(rt2x00dev, 2, rf->rf3);
+
+	rt2800pci_rfcsr_read(rt2x00dev, 6, &rfcsr);
+	rt2x00_set_field8(&rfcsr, RFCSR6_R, rf->rf2);
+	rt2800pci_rfcsr_write(rt2x00dev, 6, rfcsr);
+
+	rt2800pci_rfcsr_read(rt2x00dev, 12, &rfcsr);
+	rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
+			  TXPOWER_G_TO_DEV(info->tx_power1));
+	rt2800pci_rfcsr_write(rt2x00dev, 12, rfcsr);
+
+	rt2800pci_rfcsr_read(rt2x00dev, 23, &rfcsr);
+	rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
+	rt2800pci_rfcsr_write(rt2x00dev, 23, rfcsr);
+
+	rt2800pci_rfcsr_write(rt2x00dev, 24,
+			      rt2x00dev->calibration[conf_is_ht40(conf)]);
+
+	rt2800pci_rfcsr_read(rt2x00dev, 23, &rfcsr);
+	rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
+	rt2800pci_rfcsr_write(rt2x00dev, 23, rfcsr);
+}
+
+static void rt2800pci_config_channel(struct rt2x00_dev *rt2x00dev,
+				     struct ieee80211_conf *conf,
+				     struct rf_channel *rf,
+				     struct channel_info *info)
+{
+	u32 reg;
+	unsigned int tx_pin;
+	u8 bbp;
+
+	if (rt2x00_rev(&rt2x00dev->chip) != RT3070_VERSION)
+		rt2800pci_config_channel_rt2x(rt2x00dev, conf, rf, info);
+	else
+		rt2800pci_config_channel_rt3x(rt2x00dev, conf, rf, info);
+
+	/*
+	 * Change BBP settings
+	 */
+	rt2800pci_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
+	rt2800pci_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
+	rt2800pci_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
+	rt2800pci_bbp_write(rt2x00dev, 86, 0);
+
+	if (rf->channel <= 14) {
+		if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) {
+			rt2800pci_bbp_write(rt2x00dev, 82, 0x62);
+			rt2800pci_bbp_write(rt2x00dev, 75, 0x46);
+		} else {
+			rt2800pci_bbp_write(rt2x00dev, 82, 0x84);
+			rt2800pci_bbp_write(rt2x00dev, 75, 0x50);
+		}
+	} else {
+		rt2800pci_bbp_write(rt2x00dev, 82, 0xf2);
+
+		if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags))
+			rt2800pci_bbp_write(rt2x00dev, 75, 0x46);
+		else
+			rt2800pci_bbp_write(rt2x00dev, 75, 0x50);
+	}
+
+	rt2x00pci_register_read(rt2x00dev, TX_BAND_CFG, &reg);
+	rt2x00_set_field32(&reg, TX_BAND_CFG_HT40_PLUS, conf_is_ht40_plus(conf));
+	rt2x00_set_field32(&reg, TX_BAND_CFG_A, rf->channel > 14);
+	rt2x00_set_field32(&reg, TX_BAND_CFG_BG, rf->channel <= 14);
+	rt2x00pci_register_write(rt2x00dev, TX_BAND_CFG, reg);
+
+	tx_pin = 0;
+
+	/* Turn on unused PA or LNA when not using 1T or 1R */
+	if (rt2x00dev->default_ant.tx != 1) {
+		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, 1);
+		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 1);
+	}
+
+	/* Turn on unused PA or LNA when not using 1T or 1R */
+	if (rt2x00dev->default_ant.rx != 1) {
+		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1);
+		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1);
+	}
+
+	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1);
+	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1);
+	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1);
+	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1);
+	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, rf->channel <= 14);
+	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, rf->channel > 14);
+
+	rt2x00pci_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
+
+	rt2800pci_bbp_read(rt2x00dev, 4, &bbp);
+	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf));
+	rt2800pci_bbp_write(rt2x00dev, 4, bbp);
+
+	rt2800pci_bbp_read(rt2x00dev, 3, &bbp);
+	rt2x00_set_field8(&bbp, BBP3_HT40_PLUS, conf_is_ht40_plus(conf));
+	rt2800pci_bbp_write(rt2x00dev, 3, bbp);
+
+	if (rt2x00_rev(&rt2x00dev->chip) == RT2860C_VERSION) {
+		if (conf_is_ht40(conf)) {
+			rt2800pci_bbp_write(rt2x00dev, 69, 0x1a);
+			rt2800pci_bbp_write(rt2x00dev, 70, 0x0a);
+			rt2800pci_bbp_write(rt2x00dev, 73, 0x16);
+		} else {
+			rt2800pci_bbp_write(rt2x00dev, 69, 0x16);
+			rt2800pci_bbp_write(rt2x00dev, 70, 0x08);
+			rt2800pci_bbp_write(rt2x00dev, 73, 0x11);
+		}
+	}
+
+	msleep(1);
+}
+
+static void rt2800pci_config_txpower(struct rt2x00_dev *rt2x00dev,
+				     const int txpower)
+{
+	u32 reg;
+	u32 value = TXPOWER_G_TO_DEV(txpower);
+	u8 r1;
+
+	rt2800pci_bbp_read(rt2x00dev, 1, &r1);
+	rt2x00_set_field8(&reg, BBP1_TX_POWER, 0);
+	rt2800pci_bbp_write(rt2x00dev, 1, r1);
+
+	rt2x00pci_register_read(rt2x00dev, TX_PWR_CFG_0, &reg);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_0_1MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_0_2MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_0_55MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_0_11MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_0_6MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_0_9MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_0_12MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_0_18MBS, value);
+	rt2x00pci_register_write(rt2x00dev, TX_PWR_CFG_0, reg);
+
+	rt2x00pci_register_read(rt2x00dev, TX_PWR_CFG_1, &reg);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_1_24MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_1_36MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_1_48MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_1_54MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS0, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS1, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS2, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS3, value);
+	rt2x00pci_register_write(rt2x00dev, TX_PWR_CFG_1, reg);
+
+	rt2x00pci_register_read(rt2x00dev, TX_PWR_CFG_2, &reg);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS4, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS5, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS6, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS7, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS8, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS9, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS10, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS11, value);
+	rt2x00pci_register_write(rt2x00dev, TX_PWR_CFG_2, reg);
+
+	rt2x00pci_register_read(rt2x00dev, TX_PWR_CFG_3, &reg);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS12, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS13, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS14, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS15, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN1, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN2, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN3, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN4, value);
+	rt2x00pci_register_write(rt2x00dev, TX_PWR_CFG_3, reg);
+
+	rt2x00pci_register_read(rt2x00dev, TX_PWR_CFG_4, &reg);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN5, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN6, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN7, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN8, value);
+	rt2x00pci_register_write(rt2x00dev, TX_PWR_CFG_4, reg);
+}
+
+static void rt2800pci_config_retry_limit(struct rt2x00_dev *rt2x00dev,
+					 struct rt2x00lib_conf *libconf)
+{
+	u32 reg;
+
+	rt2x00pci_register_read(rt2x00dev, TX_RTY_CFG, &reg);
+	rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT,
+			   libconf->conf->short_frame_max_tx_count);
+	rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT,
+			   libconf->conf->long_frame_max_tx_count);
+	rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_THRE, 2000);
+	rt2x00_set_field32(&reg, TX_RTY_CFG_NON_AGG_RTY_MODE, 0);
+	rt2x00_set_field32(&reg, TX_RTY_CFG_AGG_RTY_MODE, 0);
+	rt2x00_set_field32(&reg, TX_RTY_CFG_TX_AUTO_FB_ENABLE, 1);
+	rt2x00pci_register_write(rt2x00dev, TX_RTY_CFG, reg);
+}
+
+static void rt2800pci_config_ps(struct rt2x00_dev *rt2x00dev,
+				struct rt2x00lib_conf *libconf)
+{
+	enum dev_state state =
+	    (libconf->conf->flags & IEEE80211_CONF_PS) ?
+		STATE_SLEEP : STATE_AWAKE;
+	u32 reg;
+
+	if (state == STATE_SLEEP) {
+		rt2x00pci_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0);
+
+		rt2x00pci_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
+		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 5);
+		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE,
+				   libconf->conf->listen_interval - 1);
+		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 1);
+		rt2x00pci_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
+
+		rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
+	} else {
+		rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
+
+		rt2x00pci_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
+		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 0);
+		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, 0);
+		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 0);
+		rt2x00pci_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
+	}
+}
+
+static void rt2800pci_config(struct rt2x00_dev *rt2x00dev,
+			     struct rt2x00lib_conf *libconf,
+			     const unsigned int flags)
+{
+	/* Always recalculate LNA gain before changing configuration */
+	rt2800pci_config_lna_gain(rt2x00dev, libconf);
+
+	if (flags & IEEE80211_CONF_CHANGE_CHANNEL)
+		rt2800pci_config_channel(rt2x00dev, libconf->conf,
+					 &libconf->rf, &libconf->channel);
+	if (flags & IEEE80211_CONF_CHANGE_POWER)
+		rt2800pci_config_txpower(rt2x00dev, libconf->conf->power_level);
+	if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
+		rt2800pci_config_retry_limit(rt2x00dev, libconf);
+	if (flags & IEEE80211_CONF_CHANGE_PS)
+		rt2800pci_config_ps(rt2x00dev, libconf);
+}
+
+/*
+ * Link tuning
+ */
+static void rt2800pci_link_stats(struct rt2x00_dev *rt2x00dev,
+				 struct link_qual *qual)
+{
+	u32 reg;
+
+	/*
+	 * Update FCS error count from register.
+	 */
+	rt2x00pci_register_read(rt2x00dev, RX_STA_CNT0, &reg);
+	qual->rx_failed = rt2x00_get_field32(reg, RX_STA_CNT0_CRC_ERR);
+}
+
+static u8 rt2800pci_get_default_vgc(struct rt2x00_dev *rt2x00dev)
+{
+	if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ)
+		return 0x2e + rt2x00dev->lna_gain;
+
+	if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
+		return 0x32 + (rt2x00dev->lna_gain * 5) / 3;
+	else
+		return 0x3a + (rt2x00dev->lna_gain * 5) / 3;
+}
+
+static inline void rt2800pci_set_vgc(struct rt2x00_dev *rt2x00dev,
+				     struct link_qual *qual, u8 vgc_level)
+{
+	if (qual->vgc_level != vgc_level) {
+		rt2800pci_bbp_write(rt2x00dev, 66, vgc_level);
+		qual->vgc_level = vgc_level;
+		qual->vgc_level_reg = vgc_level;
+	}
+}
+
+static void rt2800pci_reset_tuner(struct rt2x00_dev *rt2x00dev,
+				  struct link_qual *qual)
+{
+	rt2800pci_set_vgc(rt2x00dev, qual,
+			  rt2800pci_get_default_vgc(rt2x00dev));
+}
+
+static void rt2800pci_link_tuner(struct rt2x00_dev *rt2x00dev,
+				 struct link_qual *qual, const u32 count)
+{
+	if (rt2x00_rev(&rt2x00dev->chip) == RT2860C_VERSION)
+		return;
+
+	/*
+	 * When RSSI is better then -80 increase VGC level with 0x10
+	 */
+	rt2800pci_set_vgc(rt2x00dev, qual,
+			  rt2800pci_get_default_vgc(rt2x00dev) +
+			  ((qual->rssi > -80) * 0x10));
+}
+
+/*
+ * Firmware functions
+ */
+static char *rt2800pci_get_firmware_name(struct rt2x00_dev *rt2x00dev)
+{
+	return FIRMWARE_RT2860;
+}
+
+static int rt2800pci_check_firmware(struct rt2x00_dev *rt2x00dev,
+				    const u8 *data, const size_t len)
+{
+	u16 fw_crc;
+	u16 crc;
+
+	/*
+	 * Only support 8kb firmware files.
+	 */
+	if (len != 8192)
+		return FW_BAD_LENGTH;
+
+	/*
+	 * The last 2 bytes in the firmware array are the crc checksum itself,
+	 * this means that we should never pass those 2 bytes to the crc
+	 * algorithm.
+	 */
+	fw_crc = (data[len - 2] << 8 | data[len - 1]);
+
+	/*
+	 * Use the crc ccitt algorithm.
+	 * This will return the same value as the legacy driver which
+	 * used bit ordering reversion on the both the firmware bytes
+	 * before input input as well as on the final output.
+	 * Obviously using crc ccitt directly is much more efficient.
+	 */
+	crc = crc_ccitt(~0, data, len - 2);
+
+	/*
+	 * There is a small difference between the crc-itu-t + bitrev and
+	 * the crc-ccitt crc calculation. In the latter method the 2 bytes
+	 * will be swapped, use swab16 to convert the crc to the correct
+	 * value.
+	 */
+	crc = swab16(crc);
+
+	return (fw_crc == crc) ? FW_OK : FW_BAD_CRC;
+}
+
+static int rt2800pci_load_firmware(struct rt2x00_dev *rt2x00dev,
+				   const u8 *data, const size_t len)
+{
+	unsigned int i;
+	u32 reg;
+
+	/*
+	 * Wait for stable hardware.
+	 */
+	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+		rt2x00pci_register_read(rt2x00dev, MAC_CSR0, &reg);
+		if (reg && reg != ~0)
+			break;
+		msleep(1);
+	}
+
+	if (i == REGISTER_BUSY_COUNT) {
+		ERROR(rt2x00dev, "Unstable hardware.\n");
+		return -EBUSY;
+	}
+
+	rt2x00pci_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000002);
+	rt2x00pci_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0x00000000);
+
+	/*
+	 * Disable DMA, will be reenabled later when enabling
+	 * the radio.
+	 */
+	rt2x00pci_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
+	rt2x00pci_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
+
+	/*
+	 * enable Host program ram write selection
+	 */
+	reg = 0;
+	rt2x00_set_field32(&reg, PBF_SYS_CTRL_HOST_RAM_WRITE, 1);
+	rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, reg);
+
+	/*
+	 * Write firmware to device.
+	 */
+	rt2x00pci_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
+				      data, len);
+
+	rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000);
+	rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001);
+
+	/*
+	 * Wait for device to stabilize.
+	 */
+	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+		rt2x00pci_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
+		if (rt2x00_get_field32(reg, PBF_SYS_CTRL_READY))
+			break;
+		msleep(1);
+	}
+
+	if (i == REGISTER_BUSY_COUNT) {
+		ERROR(rt2x00dev, "PBF system register not ready.\n");
+		return -EBUSY;
+	}
+
+	/*
+	 * Disable interrupts
+	 */
+	rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_RADIO_IRQ_OFF);
+
+	/*
+	 * Initialize BBP R/W access agent
+	 */
+	rt2x00pci_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
+	rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
+
+	return 0;
+}
+
+/*
+ * Initialization functions.
+ */
+static bool rt2800pci_get_entry_state(struct queue_entry *entry)
+{
+	struct queue_entry_priv_pci *entry_priv = entry->priv_data;
+	u32 word;
+
+	if (entry->queue->qid == QID_RX) {
+		rt2x00_desc_read(entry_priv->desc, 1, &word);
+
+		return (!rt2x00_get_field32(word, RXD_W1_DMA_DONE));
+	} else {
+		rt2x00_desc_read(entry_priv->desc, 1, &word);
+
+		return (!rt2x00_get_field32(word, TXD_W1_DMA_DONE));
+	}
+}
+
+static void rt2800pci_clear_entry(struct queue_entry *entry)
+{
+	struct queue_entry_priv_pci *entry_priv = entry->priv_data;
+	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
+	u32 word;
+
+	if (entry->queue->qid == QID_RX) {
+		rt2x00_desc_read(entry_priv->desc, 0, &word);
+		rt2x00_set_field32(&word, RXD_W0_SDP0, skbdesc->skb_dma);
+		rt2x00_desc_write(entry_priv->desc, 0, word);
+
+		rt2x00_desc_read(entry_priv->desc, 1, &word);
+		rt2x00_set_field32(&word, RXD_W1_DMA_DONE, 0);
+		rt2x00_desc_write(entry_priv->desc, 1, word);
+	} else {
+		rt2x00_desc_read(entry_priv->desc, 1, &word);
+		rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 1);
+		rt2x00_desc_write(entry_priv->desc, 1, word);
+	}
+}
+
+static int rt2800pci_init_queues(struct rt2x00_dev *rt2x00dev)
+{
+	struct queue_entry_priv_pci *entry_priv;
+	u32 reg;
+
+	rt2x00pci_register_read(rt2x00dev, WPDMA_RST_IDX, &reg);
+	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX0, 1);
+	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX1, 1);
+	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX2, 1);
+	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX3, 1);
+	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX4, 1);
+	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX5, 1);
+	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DRX_IDX0, 1);
+	rt2x00pci_register_write(rt2x00dev, WPDMA_RST_IDX, reg);
+
+	rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f);
+	rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00);
+
+	/*
+	 * Initialize registers.
+	 */
+	entry_priv = rt2x00dev->tx[0].entries[0].priv_data;
+	rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR0, entry_priv->desc_dma);
+	rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT0, rt2x00dev->tx[0].limit);
+	rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX0, 0);
+	rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX0, 0);
+
+	entry_priv = rt2x00dev->tx[1].entries[0].priv_data;
+	rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR1, entry_priv->desc_dma);
+	rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT1, rt2x00dev->tx[1].limit);
+	rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX1, 0);
+	rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX1, 0);
+
+	entry_priv = rt2x00dev->tx[2].entries[0].priv_data;
+	rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR2, entry_priv->desc_dma);
+	rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT2, rt2x00dev->tx[2].limit);
+	rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX2, 0);
+	rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX2, 0);
+
+	entry_priv = rt2x00dev->tx[3].entries[0].priv_data;
+	rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR3, entry_priv->desc_dma);
+	rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT3, rt2x00dev->tx[3].limit);
+	rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX3, 0);
+	rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX3, 0);
+
+	entry_priv = rt2x00dev->rx->entries[0].priv_data;
+	rt2x00pci_register_write(rt2x00dev, RX_BASE_PTR, entry_priv->desc_dma);
+	rt2x00pci_register_write(rt2x00dev, RX_MAX_CNT, rt2x00dev->rx[0].limit);
+	rt2x00pci_register_write(rt2x00dev, RX_CRX_IDX, rt2x00dev->rx[0].limit - 1);
+	rt2x00pci_register_write(rt2x00dev, RX_DRX_IDX, 0);
+
+	/*
+	 * Enable global DMA configuration
+	 */
+	rt2x00pci_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
+	rt2x00pci_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
+
+	rt2x00pci_register_write(rt2x00dev, DELAY_INT_CFG, 0);
+
+	return 0;
+}
+
+static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev)
+{
+	u32 reg;
+	unsigned int i;
+
+	rt2x00pci_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
+
+	rt2x00pci_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
+	rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
+	rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
+	rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
+
+	rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
+
+	rt2x00pci_register_read(rt2x00dev, BCN_OFFSET0, &reg);
+	rt2x00_set_field32(&reg, BCN_OFFSET0_BCN0, 0xe0); /* 0x3800 */
+	rt2x00_set_field32(&reg, BCN_OFFSET0_BCN1, 0xe8); /* 0x3a00 */
+	rt2x00_set_field32(&reg, BCN_OFFSET0_BCN2, 0xf0); /* 0x3c00 */
+	rt2x00_set_field32(&reg, BCN_OFFSET0_BCN3, 0xf8); /* 0x3e00 */
+	rt2x00pci_register_write(rt2x00dev, BCN_OFFSET0, reg);
+
+	rt2x00pci_register_read(rt2x00dev, BCN_OFFSET1, &reg);
+	rt2x00_set_field32(&reg, BCN_OFFSET1_BCN4, 0xc8); /* 0x3200 */
+	rt2x00_set_field32(&reg, BCN_OFFSET1_BCN5, 0xd0); /* 0x3400 */
+	rt2x00_set_field32(&reg, BCN_OFFSET1_BCN6, 0x77); /* 0x1dc0 */
+	rt2x00_set_field32(&reg, BCN_OFFSET1_BCN7, 0x6f); /* 0x1bc0 */
+	rt2x00pci_register_write(rt2x00dev, BCN_OFFSET1, reg);
+
+	rt2x00pci_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0x0000013f);
+	rt2x00pci_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
+
+	rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
+
+	rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
+	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL, 0);
+	rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
+	rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, 0);
+	rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
+	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
+	rt2x00_set_field32(&reg, BCN_TIME_CFG_TX_TIME_COMPENSATE, 0);
+	rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+
+	rt2x00pci_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000);
+	rt2x00pci_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
+
+	rt2x00pci_register_read(rt2x00dev, TX_LINK_CFG, &reg);
+	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB_LIFETIME, 32);
+	rt2x00_set_field32(&reg, TX_LINK_CFG_MFB_ENABLE, 0);
+	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_UMFS_ENABLE, 0);
+	rt2x00_set_field32(&reg, TX_LINK_CFG_TX_MRQ_EN, 0);
+	rt2x00_set_field32(&reg, TX_LINK_CFG_TX_RDG_EN, 0);
+	rt2x00_set_field32(&reg, TX_LINK_CFG_TX_CF_ACK_EN, 1);
+	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB, 0);
+	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFS, 0);
+	rt2x00pci_register_write(rt2x00dev, TX_LINK_CFG, reg);
+
+	rt2x00pci_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
+	rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_MPDU_LIFETIME, 9);
+	rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_TX_OP_TIMEOUT, 10);
+	rt2x00pci_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
+
+	rt2x00pci_register_read(rt2x00dev, MAX_LEN_CFG, &reg);
+	rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_MPDU, AGGREGATION_SIZE);
+	if (rt2x00_rev(&rt2x00dev->chip) >= RT2880E_VERSION &&
+	    rt2x00_rev(&rt2x00dev->chip) < RT3070_VERSION)
+		rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 2);
+	else
+		rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 1);
+	rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_PSDU, 0);
+	rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_MPDU, 0);
+	rt2x00pci_register_write(rt2x00dev, MAX_LEN_CFG, reg);
+
+	rt2x00pci_register_write(rt2x00dev, PBF_MAX_PCNT, 0x1f3fbf9f);
+
+	rt2x00pci_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
+	rt2x00_set_field32(&reg, AUTO_RSP_CFG_AUTORESPONDER, 1);
+	rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MMODE, 0);
+	rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MREF, 0);
+	rt2x00_set_field32(&reg, AUTO_RSP_CFG_DUAL_CTS_EN, 0);
+	rt2x00_set_field32(&reg, AUTO_RSP_CFG_ACK_CTS_PSM_BIT, 0);
+	rt2x00pci_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
+
+	rt2x00pci_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_RATE, 8);
+	rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_CTRL, 0);
+	rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_NAV, 1);
+	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_CCK, 1);
+	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
+	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM20, 1);
+	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM40, 1);
+	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF20, 1);
+	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF40, 1);
+	rt2x00pci_register_write(rt2x00dev, CCK_PROT_CFG, reg);
+
+	rt2x00pci_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_RATE, 8);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL, 0);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_NAV, 1);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_CCK, 1);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM20, 1);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM40, 1);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF20, 1);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF40, 1);
+	rt2x00pci_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
+
+	rt2x00pci_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_RATE, 0x4004);
+	rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_CTRL, 0);
+	rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_NAV, 1);
+	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
+	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
+	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
+	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
+	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
+	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
+	rt2x00pci_register_write(rt2x00dev, MM20_PROT_CFG, reg);
+
+	rt2x00pci_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_RATE, 0x4084);
+	rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_CTRL, 0);
+	rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_NAV, 1);
+	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
+	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
+	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
+	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
+	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
+	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
+	rt2x00pci_register_write(rt2x00dev, MM40_PROT_CFG, reg);
+
+	rt2x00pci_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_RATE, 0x4004);
+	rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_CTRL, 0);
+	rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_NAV, 1);
+	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
+	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
+	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
+	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
+	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
+	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
+	rt2x00pci_register_write(rt2x00dev, GF20_PROT_CFG, reg);
+
+	rt2x00pci_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_RATE, 0x4084);
+	rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_CTRL, 0);
+	rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_NAV, 1);
+	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
+	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
+	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
+	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
+	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
+	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
+	rt2x00pci_register_write(rt2x00dev, GF40_PROT_CFG, reg);
+
+	rt2x00pci_register_write(rt2x00dev, TXOP_CTRL_CFG, 0x0000583f);
+	rt2x00pci_register_write(rt2x00dev, TXOP_HLDR_ET, 0x00000002);
+
+	rt2x00pci_register_read(rt2x00dev, TX_RTS_CFG, &reg);
+	rt2x00_set_field32(&reg, TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT, 32);
+	rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES,
+			   IEEE80211_MAX_RTS_THRESHOLD);
+	rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_FBK_EN, 0);
+	rt2x00pci_register_write(rt2x00dev, TX_RTS_CFG, reg);
+
+	rt2x00pci_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca);
+	rt2x00pci_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
+
+	/*
+	 * ASIC will keep garbage value after boot, clear encryption keys.
+	 */
+	for (i = 0; i < 4; i++)
+		rt2x00pci_register_write(rt2x00dev,
+					 SHARED_KEY_MODE_ENTRY(i), 0);
+
+	for (i = 0; i < 256; i++) {
+		u32 wcid[2] = { 0xffffffff, 0x00ffffff };
+		rt2x00pci_register_multiwrite(rt2x00dev, MAC_WCID_ENTRY(i),
+					      wcid, sizeof(wcid));
+
+		rt2x00pci_register_write(rt2x00dev, MAC_WCID_ATTR_ENTRY(i), 1);
+		rt2x00pci_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0);
+	}
+
+	/*
+	 * Clear all beacons
+	 * For the Beacon base registers we only need to clear
+	 * the first byte since that byte contains the VALID and OWNER
+	 * bits which (when set to 0) will invalidate the entire beacon.
+	 */
+	rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
+	rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
+	rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
+	rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
+	rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE4, 0);
+	rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE5, 0);
+	rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE6, 0);
+	rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE7, 0);
+
+	rt2x00pci_register_read(rt2x00dev, HT_FBK_CFG0, &reg);
+	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS0FBK, 0);
+	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS1FBK, 0);
+	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS2FBK, 1);
+	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS3FBK, 2);
+	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS4FBK, 3);
+	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS5FBK, 4);
+	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS6FBK, 5);
+	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS7FBK, 6);
+	rt2x00pci_register_write(rt2x00dev, HT_FBK_CFG0, reg);
+
+	rt2x00pci_register_read(rt2x00dev, HT_FBK_CFG1, &reg);
+	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS8FBK, 8);
+	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS9FBK, 8);
+	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS10FBK, 9);
+	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS11FBK, 10);
+	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS12FBK, 11);
+	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS13FBK, 12);
+	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS14FBK, 13);
+	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS15FBK, 14);
+	rt2x00pci_register_write(rt2x00dev, HT_FBK_CFG1, reg);
+
+	rt2x00pci_register_read(rt2x00dev, LG_FBK_CFG0, &reg);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS0FBK, 8);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS1FBK, 8);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS2FBK, 9);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS3FBK, 10);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS4FBK, 11);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS5FBK, 12);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS6FBK, 13);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS7FBK, 14);
+	rt2x00pci_register_write(rt2x00dev, LG_FBK_CFG0, reg);
+
+	rt2x00pci_register_read(rt2x00dev, LG_FBK_CFG1, &reg);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS0FBK, 0);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS1FBK, 0);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS2FBK, 1);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS3FBK, 2);
+	rt2x00pci_register_write(rt2x00dev, LG_FBK_CFG1, reg);
+
+	/*
+	 * We must clear the error counters.
+	 * These registers are cleared on read,
+	 * so we may pass a useless variable to store the value.
+	 */
+	rt2x00pci_register_read(rt2x00dev, RX_STA_CNT0, &reg);
+	rt2x00pci_register_read(rt2x00dev, RX_STA_CNT1, &reg);
+	rt2x00pci_register_read(rt2x00dev, RX_STA_CNT2, &reg);
+	rt2x00pci_register_read(rt2x00dev, TX_STA_CNT0, &reg);
+	rt2x00pci_register_read(rt2x00dev, TX_STA_CNT1, &reg);
+	rt2x00pci_register_read(rt2x00dev, TX_STA_CNT2, &reg);
+
+	return 0;
+}
+
+static int rt2800pci_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev)
+{
+	unsigned int i;
+	u32 reg;
+
+	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+		rt2x00pci_register_read(rt2x00dev, MAC_STATUS_CFG, &reg);
+		if (!rt2x00_get_field32(reg, MAC_STATUS_CFG_BBP_RF_BUSY))
+			return 0;
+
+		udelay(REGISTER_BUSY_DELAY);
+	}
+
+	ERROR(rt2x00dev, "BBP/RF register access failed, aborting.\n");
+	return -EACCES;
+}
+
+static int rt2800pci_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
+{
+	unsigned int i;
+	u8 value;
+
+	/*
+	 * BBP was enabled after firmware was loaded,
+	 * but we need to reactivate it now.
+	 */
+	rt2x00pci_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
+	rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
+	msleep(1);
+
+	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+		rt2800pci_bbp_read(rt2x00dev, 0, &value);
+		if ((value != 0xff) && (value != 0x00))
+			return 0;
+		udelay(REGISTER_BUSY_DELAY);
+	}
+
+	ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
+	return -EACCES;
+}
+
+static int rt2800pci_init_bbp(struct rt2x00_dev *rt2x00dev)
+{
+	unsigned int i;
+	u16 eeprom;
+	u8 reg_id;
+	u8 value;
+
+	if (unlikely(rt2800pci_wait_bbp_rf_ready(rt2x00dev) ||
+		     rt2800pci_wait_bbp_ready(rt2x00dev)))
+		return -EACCES;
+
+	rt2800pci_bbp_write(rt2x00dev, 65, 0x2c);
+	rt2800pci_bbp_write(rt2x00dev, 66, 0x38);
+	rt2800pci_bbp_write(rt2x00dev, 69, 0x12);
+	rt2800pci_bbp_write(rt2x00dev, 70, 0x0a);
+	rt2800pci_bbp_write(rt2x00dev, 73, 0x10);
+	rt2800pci_bbp_write(rt2x00dev, 81, 0x37);
+	rt2800pci_bbp_write(rt2x00dev, 82, 0x62);
+	rt2800pci_bbp_write(rt2x00dev, 83, 0x6a);
+	rt2800pci_bbp_write(rt2x00dev, 84, 0x99);
+	rt2800pci_bbp_write(rt2x00dev, 86, 0x00);
+	rt2800pci_bbp_write(rt2x00dev, 91, 0x04);
+	rt2800pci_bbp_write(rt2x00dev, 92, 0x00);
+	rt2800pci_bbp_write(rt2x00dev, 103, 0x00);
+	rt2800pci_bbp_write(rt2x00dev, 105, 0x05);
+
+	if (rt2x00_rev(&rt2x00dev->chip) == RT2860C_VERSION) {
+		rt2800pci_bbp_write(rt2x00dev, 69, 0x16);
+		rt2800pci_bbp_write(rt2x00dev, 73, 0x12);
+	}
+
+	if (rt2x00_rev(&rt2x00dev->chip) > RT2860D_VERSION)
+		rt2800pci_bbp_write(rt2x00dev, 84, 0x19);
+
+	if (rt2x00_rt(&rt2x00dev->chip, RT3052)) {
+		rt2800pci_bbp_write(rt2x00dev, 31, 0x08);
+		rt2800pci_bbp_write(rt2x00dev, 78, 0x0e);
+		rt2800pci_bbp_write(rt2x00dev, 80, 0x08);
+	}
+
+	for (i = 0; i < EEPROM_BBP_SIZE; i++) {
+		rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
+
+		if (eeprom != 0xffff && eeprom != 0x0000) {
+			reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
+			value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
+			rt2800pci_bbp_write(rt2x00dev, reg_id, value);
+		}
+	}
+
+	return 0;
+}
+
+static u8 rt2800pci_init_rx_filter(struct rt2x00_dev *rt2x00dev,
+				   bool bw40, u8 rfcsr24, u8 filter_target)
+{
+	unsigned int i;
+	u8 bbp;
+	u8 rfcsr;
+	u8 passband;
+	u8 stopband;
+	u8 overtuned = 0;
+
+	rt2800pci_rfcsr_write(rt2x00dev, 24, rfcsr24);
+
+	rt2800pci_bbp_read(rt2x00dev, 4, &bbp);
+	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40);
+	rt2800pci_bbp_write(rt2x00dev, 4, bbp);
+
+	rt2800pci_rfcsr_read(rt2x00dev, 22, &rfcsr);
+	rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1);
+	rt2800pci_rfcsr_write(rt2x00dev, 22, rfcsr);
+
+	/*
+	 * Set power & frequency of passband test tone
+	 */
+	rt2800pci_bbp_write(rt2x00dev, 24, 0);
+
+	for (i = 0; i < 100; i++) {
+		rt2800pci_bbp_write(rt2x00dev, 25, 0x90);
+		msleep(1);
+
+		rt2800pci_bbp_read(rt2x00dev, 55, &passband);
+		if (passband)
+			break;
+	}
+
+	/*
+	 * Set power & frequency of stopband test tone
+	 */
+	rt2800pci_bbp_write(rt2x00dev, 24, 0x06);
+
+	for (i = 0; i < 100; i++) {
+		rt2800pci_bbp_write(rt2x00dev, 25, 0x90);
+		msleep(1);
+
+		rt2800pci_bbp_read(rt2x00dev, 55, &stopband);
+
+		if ((passband - stopband) <= filter_target) {
+			rfcsr24++;
+			overtuned += ((passband - stopband) == filter_target);
+		} else
+			break;
+
+		rt2800pci_rfcsr_write(rt2x00dev, 24, rfcsr24);
+	}
+
+	rfcsr24 -= !!overtuned;
+
+	rt2800pci_rfcsr_write(rt2x00dev, 24, rfcsr24);
+	return rfcsr24;
+}
+
+static int rt2800pci_init_rfcsr(struct rt2x00_dev *rt2x00dev)
+{
+	u8 rfcsr;
+	u8 bbp;
+
+	if (!rt2x00_rf(&rt2x00dev->chip, RF3020) &&
+	    !rt2x00_rf(&rt2x00dev->chip, RF3021) &&
+	    !rt2x00_rf(&rt2x00dev->chip, RF3022))
+		return 0;
+
+	/*
+	 * Init RF calibration.
+	 */
+	rt2800pci_rfcsr_read(rt2x00dev, 30, &rfcsr);
+	rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
+	rt2800pci_rfcsr_write(rt2x00dev, 30, rfcsr);
+	msleep(1);
+	rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
+	rt2800pci_rfcsr_write(rt2x00dev, 30, rfcsr);
+
+	rt2800pci_rfcsr_write(rt2x00dev, 0, 0x50);
+	rt2800pci_rfcsr_write(rt2x00dev, 1, 0x01);
+	rt2800pci_rfcsr_write(rt2x00dev, 2, 0xf7);
+	rt2800pci_rfcsr_write(rt2x00dev, 3, 0x75);
+	rt2800pci_rfcsr_write(rt2x00dev, 4, 0x40);
+	rt2800pci_rfcsr_write(rt2x00dev, 5, 0x03);
+	rt2800pci_rfcsr_write(rt2x00dev, 6, 0x02);
+	rt2800pci_rfcsr_write(rt2x00dev, 7, 0x50);
+	rt2800pci_rfcsr_write(rt2x00dev, 8, 0x39);
+	rt2800pci_rfcsr_write(rt2x00dev, 9, 0x0f);
+	rt2800pci_rfcsr_write(rt2x00dev, 10, 0x60);
+	rt2800pci_rfcsr_write(rt2x00dev, 11, 0x21);
+	rt2800pci_rfcsr_write(rt2x00dev, 12, 0x75);
+	rt2800pci_rfcsr_write(rt2x00dev, 13, 0x75);
+	rt2800pci_rfcsr_write(rt2x00dev, 14, 0x90);
+	rt2800pci_rfcsr_write(rt2x00dev, 15, 0x58);
+	rt2800pci_rfcsr_write(rt2x00dev, 16, 0xb3);
+	rt2800pci_rfcsr_write(rt2x00dev, 17, 0x92);
+	rt2800pci_rfcsr_write(rt2x00dev, 18, 0x2c);
+	rt2800pci_rfcsr_write(rt2x00dev, 19, 0x02);
+	rt2800pci_rfcsr_write(rt2x00dev, 20, 0xba);
+	rt2800pci_rfcsr_write(rt2x00dev, 21, 0xdb);
+	rt2800pci_rfcsr_write(rt2x00dev, 22, 0x00);
+	rt2800pci_rfcsr_write(rt2x00dev, 23, 0x31);
+	rt2800pci_rfcsr_write(rt2x00dev, 24, 0x08);
+	rt2800pci_rfcsr_write(rt2x00dev, 25, 0x01);
+	rt2800pci_rfcsr_write(rt2x00dev, 26, 0x25);
+	rt2800pci_rfcsr_write(rt2x00dev, 27, 0x23);
+	rt2800pci_rfcsr_write(rt2x00dev, 28, 0x13);
+	rt2800pci_rfcsr_write(rt2x00dev, 29, 0x83);
+
+	/*
+	 * Set RX Filter calibration for 20MHz and 40MHz
+	 */
+	rt2x00dev->calibration[0] =
+	    rt2800pci_init_rx_filter(rt2x00dev, false, 0x07, 0x16);
+	rt2x00dev->calibration[1] =
+	    rt2800pci_init_rx_filter(rt2x00dev, true, 0x27, 0x19);
+
+	/*
+	 * Set back to initial state
+	 */
+	rt2800pci_bbp_write(rt2x00dev, 24, 0);
+
+	rt2800pci_rfcsr_read(rt2x00dev, 22, &rfcsr);
+	rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 0);
+	rt2800pci_rfcsr_write(rt2x00dev, 22, rfcsr);
+
+	/*
+	 * set BBP back to BW20
+	 */
+	rt2800pci_bbp_read(rt2x00dev, 4, &bbp);
+	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0);
+	rt2800pci_bbp_write(rt2x00dev, 4, bbp);
+
+	return 0;
+}
+
+/*
+ * Device state switch handlers.
+ */
+static void rt2800pci_toggle_rx(struct rt2x00_dev *rt2x00dev,
+				enum dev_state state)
+{
+	u32 reg;
+
+	rt2x00pci_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
+	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX,
+			   (state == STATE_RADIO_RX_ON) ||
+			   (state == STATE_RADIO_RX_ON_LINK));
+	rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
+}
+
+static void rt2800pci_toggle_irq(struct rt2x00_dev *rt2x00dev,
+				 enum dev_state state)
+{
+	int mask = (state == STATE_RADIO_IRQ_ON);
+	u32 reg;
+
+	/*
+	 * When interrupts are being enabled, the interrupt registers
+	 * should clear the register to assure a clean state.
+	 */
+	if (state == STATE_RADIO_IRQ_ON) {
+		rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, &reg);
+		rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
+	}
+
+	rt2x00pci_register_read(rt2x00dev, INT_MASK_CSR, &reg);
+	rt2x00_set_field32(&reg, INT_MASK_CSR_RXDELAYINT, mask);
+	rt2x00_set_field32(&reg, INT_MASK_CSR_TXDELAYINT, mask);
+	rt2x00_set_field32(&reg, INT_MASK_CSR_RX_DONE, mask);
+	rt2x00_set_field32(&reg, INT_MASK_CSR_AC0_DMA_DONE, mask);
+	rt2x00_set_field32(&reg, INT_MASK_CSR_AC1_DMA_DONE, mask);
+	rt2x00_set_field32(&reg, INT_MASK_CSR_AC2_DMA_DONE, mask);
+	rt2x00_set_field32(&reg, INT_MASK_CSR_AC3_DMA_DONE, mask);
+	rt2x00_set_field32(&reg, INT_MASK_CSR_HCCA_DMA_DONE, mask);
+	rt2x00_set_field32(&reg, INT_MASK_CSR_MGMT_DMA_DONE, mask);
+	rt2x00_set_field32(&reg, INT_MASK_CSR_MCU_COMMAND, mask);
+	rt2x00_set_field32(&reg, INT_MASK_CSR_RXTX_COHERENT, mask);
+	rt2x00_set_field32(&reg, INT_MASK_CSR_TBTT, mask);
+	rt2x00_set_field32(&reg, INT_MASK_CSR_PRE_TBTT, mask);
+	rt2x00_set_field32(&reg, INT_MASK_CSR_TX_FIFO_STATUS, mask);
+	rt2x00_set_field32(&reg, INT_MASK_CSR_AUTO_WAKEUP, mask);
+	rt2x00_set_field32(&reg, INT_MASK_CSR_GPTIMER, mask);
+	rt2x00_set_field32(&reg, INT_MASK_CSR_RX_COHERENT, mask);
+	rt2x00_set_field32(&reg, INT_MASK_CSR_TX_COHERENT, mask);
+	rt2x00pci_register_write(rt2x00dev, INT_MASK_CSR, reg);
+}
+
+static int rt2800pci_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev)
+{
+	unsigned int i;
+	u32 reg;
+
+	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+		rt2x00pci_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
+		if (!rt2x00_get_field32(reg, WPDMA_GLO_CFG_TX_DMA_BUSY) &&
+		    !rt2x00_get_field32(reg, WPDMA_GLO_CFG_RX_DMA_BUSY))
+			return 0;
+
+		msleep(1);
+	}
+
+	ERROR(rt2x00dev, "WPDMA TX/RX busy, aborting.\n");
+	return -EACCES;
+}
+
+static int rt2800pci_enable_radio(struct rt2x00_dev *rt2x00dev)
+{
+	u32 reg;
+	u16 word;
+
+	/*
+	 * Initialize all registers.
+	 */
+	if (unlikely(rt2800pci_wait_wpdma_ready(rt2x00dev) ||
+		     rt2800pci_init_queues(rt2x00dev) ||
+		     rt2800pci_init_registers(rt2x00dev) ||
+		     rt2800pci_wait_wpdma_ready(rt2x00dev) ||
+		     rt2800pci_init_bbp(rt2x00dev) ||
+		     rt2800pci_init_rfcsr(rt2x00dev)))
+		return -EIO;
+
+	/*
+	 * Send signal to firmware during boot time.
+	 */
+	rt2800pci_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0xff, 0, 0);
+
+	/*
+	 * Enable RX.
+	 */
+	rt2x00pci_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
+	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
+	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
+	rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
+
+	rt2x00pci_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 2);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
+	rt2x00pci_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
+
+	rt2x00pci_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
+	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
+	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
+	rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
+
+	/*
+	 * Initialize LED control
+	 */
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_LED1, &word);
+	rt2800pci_mcu_request(rt2x00dev, MCU_LED_1, 0xff,
+			      word & 0xff, (word >> 8) & 0xff);
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_LED2, &word);
+	rt2800pci_mcu_request(rt2x00dev, MCU_LED_2, 0xff,
+			      word & 0xff, (word >> 8) & 0xff);
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_LED3, &word);
+	rt2800pci_mcu_request(rt2x00dev, MCU_LED_3, 0xff,
+			      word & 0xff, (word >> 8) & 0xff);
+
+	return 0;
+}
+
+static void rt2800pci_disable_radio(struct rt2x00_dev *rt2x00dev)
+{
+	u32 reg;
+
+	rt2x00pci_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
+	rt2x00pci_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
+
+	rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, 0);
+	rt2x00pci_register_write(rt2x00dev, PWR_PIN_CFG, 0);
+	rt2x00pci_register_write(rt2x00dev, TX_PIN_CFG, 0);
+
+	rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001280);
+
+	rt2x00pci_register_read(rt2x00dev, WPDMA_RST_IDX, &reg);
+	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX0, 1);
+	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX1, 1);
+	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX2, 1);
+	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX3, 1);
+	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX4, 1);
+	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX5, 1);
+	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DRX_IDX0, 1);
+	rt2x00pci_register_write(rt2x00dev, WPDMA_RST_IDX, reg);
+
+	rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f);
+	rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00);
+
+	/* Wait for DMA, ignore error */
+	rt2800pci_wait_wpdma_ready(rt2x00dev);
+}
+
+static int rt2800pci_set_state(struct rt2x00_dev *rt2x00dev,
+			       enum dev_state state)
+{
+	/*
+	 * Always put the device to sleep (even when we intend to wakeup!)
+	 * if the device is booting and wasn't asleep it will return
+	 * failure when attempting to wakeup.
+	 */
+	rt2800pci_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0, 2);
+
+	if (state == STATE_AWAKE) {
+		rt2800pci_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKUP, 0, 0);
+		rt2800pci_mcu_status(rt2x00dev, TOKEN_WAKUP);
+	}
+
+	return 0;
+}
+
+static int rt2800pci_set_device_state(struct rt2x00_dev *rt2x00dev,
+				      enum dev_state state)
+{
+	int retval = 0;
+
+	switch (state) {
+	case STATE_RADIO_ON:
+		/*
+		 * Before the radio can be enabled, the device first has
+		 * to be woken up. After that it needs a bit of time
+		 * to be fully awake and then the radio can be enabled.
+		 */
+		rt2800pci_set_state(rt2x00dev, STATE_AWAKE);
+		msleep(1);
+		retval = rt2800pci_enable_radio(rt2x00dev);
+		break;
+	case STATE_RADIO_OFF:
+		/*
+		 * After the radio has been disabled, the device should
+		 * be put to sleep for powersaving.
+		 */
+		rt2800pci_disable_radio(rt2x00dev);
+		rt2800pci_set_state(rt2x00dev, STATE_SLEEP);
+		break;
+	case STATE_RADIO_RX_ON:
+	case STATE_RADIO_RX_ON_LINK:
+	case STATE_RADIO_RX_OFF:
+	case STATE_RADIO_RX_OFF_LINK:
+		rt2800pci_toggle_rx(rt2x00dev, state);
+		break;
+	case STATE_RADIO_IRQ_ON:
+	case STATE_RADIO_IRQ_OFF:
+		rt2800pci_toggle_irq(rt2x00dev, state);
+		break;
+	case STATE_DEEP_SLEEP:
+	case STATE_SLEEP:
+	case STATE_STANDBY:
+	case STATE_AWAKE:
+		retval = rt2800pci_set_state(rt2x00dev, state);
+		break;
+	default:
+		retval = -ENOTSUPP;
+		break;
+	}
+
+	if (unlikely(retval))
+		ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
+		      state, retval);
+
+	return retval;
+}
+
+/*
+ * TX descriptor initialization
+ */
+static void rt2800pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
+				    struct sk_buff *skb,
+				    struct txentry_desc *txdesc)
+{
+	struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
+	__le32 *txd = skbdesc->desc;
+	__le32 *txwi = (__le32 *)(skb->data - rt2x00dev->hw->extra_tx_headroom);
+	u32 word;
+
+	/*
+	 * Initialize TX Info descriptor
+	 */
+	rt2x00_desc_read(txwi, 0, &word);
+	rt2x00_set_field32(&word, TXWI_W0_FRAG,
+			   test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
+	rt2x00_set_field32(&word, TXWI_W0_MIMO_PS, 0);
+	rt2x00_set_field32(&word, TXWI_W0_CF_ACK, 0);
+	rt2x00_set_field32(&word, TXWI_W0_TS,
+			   test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
+	rt2x00_set_field32(&word, TXWI_W0_AMPDU,
+			   test_bit(ENTRY_TXD_HT_AMPDU, &txdesc->flags));
+	rt2x00_set_field32(&word, TXWI_W0_MPDU_DENSITY, txdesc->mpdu_density);
+	rt2x00_set_field32(&word, TXWI_W0_TX_OP, txdesc->ifs);
+	rt2x00_set_field32(&word, TXWI_W0_MCS, txdesc->mcs);
+	rt2x00_set_field32(&word, TXWI_W0_BW,
+			   test_bit(ENTRY_TXD_HT_BW_40, &txdesc->flags));
+	rt2x00_set_field32(&word, TXWI_W0_SHORT_GI,
+			   test_bit(ENTRY_TXD_HT_SHORT_GI, &txdesc->flags));
+	rt2x00_set_field32(&word, TXWI_W0_STBC, txdesc->stbc);
+	rt2x00_set_field32(&word, TXWI_W0_PHYMODE, txdesc->rate_mode);
+	rt2x00_desc_write(txwi, 0, word);
+
+	rt2x00_desc_read(txwi, 1, &word);
+	rt2x00_set_field32(&word, TXWI_W1_ACK,
+			   test_bit(ENTRY_TXD_ACK, &txdesc->flags));
+	rt2x00_set_field32(&word, TXWI_W1_NSEQ,
+			   test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags));
+	rt2x00_set_field32(&word, TXWI_W1_BW_WIN_SIZE, txdesc->ba_size);
+	rt2x00_set_field32(&word, TXWI_W1_WIRELESS_CLI_ID,
+			   test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags) ?
+			       (skbdesc->entry->entry_idx + 1) : 0xff);
+	rt2x00_set_field32(&word, TXWI_W1_MPDU_TOTAL_BYTE_COUNT,
+			   skb->len - txdesc->l2pad);
+	rt2x00_set_field32(&word, TXWI_W1_PACKETID,
+			   skbdesc->entry->queue->qid + 1);
+	rt2x00_desc_write(txwi, 1, word);
+
+	/*
+	 * Always write 0 to IV/EIV fields, hardware will insert the IV
+	 * from the IVEIV register when ENTRY_TXD_ENCRYPT_IV is set to 0.
+	 * When ENTRY_TXD_ENCRYPT_IV is set to 1 it will use the IV data
+	 * from the descriptor. The TXWI_W1_WIRELESS_CLI_ID indicates which
+	 * crypto entry in the registers should be used to encrypt the frame.
+	 */
+	_rt2x00_desc_write(txwi, 2, 0 /* skbdesc->iv[0] */);
+	_rt2x00_desc_write(txwi, 3, 0 /* skbdesc->iv[1] */);
+
+	/*
+	 * The buffers pointed by SD_PTR0/SD_LEN0 and SD_PTR1/SD_LEN1
+	 * must contains a TXWI structure + 802.11 header + padding + 802.11
+	 * data. We choose to have SD_PTR0/SD_LEN0 only contains TXWI and
+	 * SD_PTR1/SD_LEN1 contains 802.11 header + padding + 802.11
+	 * data. It means that LAST_SEC0 is always 0.
+	 */
+
+	/*
+	 * Initialize TX descriptor
+	 */
+	rt2x00_desc_read(txd, 0, &word);
+	rt2x00_set_field32(&word, TXD_W0_SD_PTR0, skbdesc->skb_dma);
+	rt2x00_desc_write(txd, 0, word);
+
+	rt2x00_desc_read(txd, 1, &word);
+	rt2x00_set_field32(&word, TXD_W1_SD_LEN1, skb->len);
+	rt2x00_set_field32(&word, TXD_W1_LAST_SEC1,
+			   !test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
+	rt2x00_set_field32(&word, TXD_W1_BURST,
+			   test_bit(ENTRY_TXD_BURST, &txdesc->flags));
+	rt2x00_set_field32(&word, TXD_W1_SD_LEN0,
+			   rt2x00dev->hw->extra_tx_headroom);
+	rt2x00_set_field32(&word, TXD_W1_LAST_SEC0, 0);
+	rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 0);
+	rt2x00_desc_write(txd, 1, word);
+
+	rt2x00_desc_read(txd, 2, &word);
+	rt2x00_set_field32(&word, TXD_W2_SD_PTR1,
+			   skbdesc->skb_dma + rt2x00dev->hw->extra_tx_headroom);
+	rt2x00_desc_write(txd, 2, word);
+
+	rt2x00_desc_read(txd, 3, &word);
+	rt2x00_set_field32(&word, TXD_W3_WIV,
+			   !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags));
+	rt2x00_set_field32(&word, TXD_W3_QSEL, 2);
+	rt2x00_desc_write(txd, 3, word);
+}
+
+/*
+ * TX data initialization
+ */
+static void rt2800pci_write_beacon(struct queue_entry *entry)
+{
+	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
+	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
+	unsigned int beacon_base;
+	u32 reg;
+
+	/*
+	 * Disable beaconing while we are reloading the beacon data,
+	 * otherwise we might be sending out invalid data.
+	 */
+	rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
+	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
+	rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+
+	/*
+	 * Write entire beacon with descriptor to register.
+	 */
+	beacon_base = HW_BEACON_OFFSET(entry->entry_idx);
+	rt2x00pci_register_multiwrite(rt2x00dev,
+				      beacon_base,
+				      skbdesc->desc, skbdesc->desc_len);
+	rt2x00pci_register_multiwrite(rt2x00dev,
+				      beacon_base + skbdesc->desc_len,
+				      entry->skb->data, entry->skb->len);
+
+	/*
+	 * Clean up beacon skb.
+	 */
+	dev_kfree_skb_any(entry->skb);
+	entry->skb = NULL;
+}
+
+static void rt2800pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
+				    const enum data_queue_qid queue_idx)
+{
+	struct data_queue *queue;
+	unsigned int idx, qidx = 0;
+	u32 reg;
+
+	if (queue_idx == QID_BEACON) {
+		rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
+		if (!rt2x00_get_field32(reg, BCN_TIME_CFG_BEACON_GEN)) {
+			rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
+			rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
+			rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
+			rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+		}
+		return;
+	}
+
+	if (queue_idx > QID_HCCA && queue_idx != QID_MGMT)
+		return;
+
+	queue = rt2x00queue_get_queue(rt2x00dev, queue_idx);
+	idx = queue->index[Q_INDEX];
+
+	if (queue_idx == QID_MGMT)
+		qidx = 5;
+	else
+		qidx = queue_idx;
+
+	rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX(qidx), idx);
+}
+
+static void rt2800pci_kill_tx_queue(struct rt2x00_dev *rt2x00dev,
+				    const enum data_queue_qid qid)
+{
+	u32 reg;
+
+	if (qid == QID_BEACON) {
+		rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, 0);
+		return;
+	}
+
+	rt2x00pci_register_read(rt2x00dev, WPDMA_RST_IDX, &reg);
+	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX0, (qid == QID_AC_BE));
+	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX1, (qid == QID_AC_BK));
+	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX2, (qid == QID_AC_VI));
+	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX3, (qid == QID_AC_VO));
+	rt2x00pci_register_write(rt2x00dev, WPDMA_RST_IDX, reg);
+}
+
+/*
+ * RX control handlers
+ */
+static void rt2800pci_fill_rxdone(struct queue_entry *entry,
+				  struct rxdone_entry_desc *rxdesc)
+{
+	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
+	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
+	struct queue_entry_priv_pci *entry_priv = entry->priv_data;
+	__le32 *rxd = entry_priv->desc;
+	__le32 *rxwi = (__le32 *)entry->skb->data;
+	u32 rxd3;
+	u32 rxwi0;
+	u32 rxwi1;
+	u32 rxwi2;
+	u32 rxwi3;
+
+	rt2x00_desc_read(rxd, 3, &rxd3);
+	rt2x00_desc_read(rxwi, 0, &rxwi0);
+	rt2x00_desc_read(rxwi, 1, &rxwi1);
+	rt2x00_desc_read(rxwi, 2, &rxwi2);
+	rt2x00_desc_read(rxwi, 3, &rxwi3);
+
+	if (rt2x00_get_field32(rxd3, RXD_W3_CRC_ERROR))
+		rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
+
+	if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) {
+		/*
+		 * Unfortunately we don't know the cipher type used during
+		 * decryption. This prevents us from correct providing
+		 * correct statistics through debugfs.
+		 */
+		rxdesc->cipher = rt2x00_get_field32(rxwi0, RXWI_W0_UDF);
+		rxdesc->cipher_status =
+		    rt2x00_get_field32(rxd3, RXD_W3_CIPHER_ERROR);
+	}
+
+	if (rt2x00_get_field32(rxd3, RXD_W3_DECRYPTED)) {
+		/*
+		 * Hardware has stripped IV/EIV data from 802.11 frame during
+		 * decryption. Unfortunately the descriptor doesn't contain
+		 * any fields with the EIV/IV data either, so they can't
+		 * be restored by rt2x00lib.
+		 */
+		rxdesc->flags |= RX_FLAG_IV_STRIPPED;
+
+		if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
+			rxdesc->flags |= RX_FLAG_DECRYPTED;
+		else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
+			rxdesc->flags |= RX_FLAG_MMIC_ERROR;
+	}
+
+	if (rt2x00_get_field32(rxd3, RXD_W3_MY_BSS))
+		rxdesc->dev_flags |= RXDONE_MY_BSS;
+
+	if (rt2x00_get_field32(rxd3, RXD_W3_L2PAD)) {
+		rxdesc->dev_flags |= RXDONE_L2PAD;
+		skbdesc->flags |= SKBDESC_L2_PADDED;
+	}
+
+	if (rt2x00_get_field32(rxwi1, RXWI_W1_SHORT_GI))
+		rxdesc->flags |= RX_FLAG_SHORT_GI;
+
+	if (rt2x00_get_field32(rxwi1, RXWI_W1_BW))
+		rxdesc->flags |= RX_FLAG_40MHZ;
+
+	/*
+	 * Detect RX rate, always use MCS as signal type.
+	 */
+	rxdesc->dev_flags |= RXDONE_SIGNAL_MCS;
+	rxdesc->rate_mode = rt2x00_get_field32(rxwi1, RXWI_W1_PHYMODE);
+	rxdesc->signal = rt2x00_get_field32(rxwi1, RXWI_W1_MCS);
+
+	/*
+	 * Mask of 0x8 bit to remove the short preamble flag.
+	 */
+	if (rxdesc->rate_mode == RATE_MODE_CCK)
+		rxdesc->signal &= ~0x8;
+
+	rxdesc->rssi =
+	    (rt2x00_get_field32(rxwi2, RXWI_W2_RSSI0) +
+	     rt2x00_get_field32(rxwi2, RXWI_W2_RSSI1)) / 2;
+
+	rxdesc->noise =
+	    (rt2x00_get_field32(rxwi3, RXWI_W3_SNR0) +
+	     rt2x00_get_field32(rxwi3, RXWI_W3_SNR1)) / 2;
+
+	rxdesc->size = rt2x00_get_field32(rxwi0, RXWI_W0_MPDU_TOTAL_BYTE_COUNT);
+
+	/*
+	 * Set RX IDX in register to inform hardware that we have handled
+	 * this entry and it is available for reuse again.
+	 */
+	rt2x00pci_register_write(rt2x00dev, RX_CRX_IDX, entry->entry_idx);
+
+	/*
+	 * Remove TXWI descriptor from start of buffer.
+	 */
+	skb_pull(entry->skb, RXWI_DESC_SIZE);
+	skb_trim(entry->skb, rxdesc->size);
+}
+
+/*
+ * Interrupt functions.
+ */
+static void rt2800pci_txdone(struct rt2x00_dev *rt2x00dev)
+{
+	struct data_queue *queue;
+	struct queue_entry *entry;
+	struct queue_entry *entry_done;
+	struct queue_entry_priv_pci *entry_priv;
+	struct txdone_entry_desc txdesc;
+	u32 word;
+	u32 reg;
+	u32 old_reg;
+	unsigned int type;
+	unsigned int index;
+	u16 mcs, real_mcs;
+
+	/*
+	 * During each loop we will compare the freshly read
+	 * TX_STA_FIFO register value with the value read from
+	 * the previous loop. If the 2 values are equal then
+	 * we should stop processing because the chance it
+	 * quite big that the device has been unplugged and
+	 * we risk going into an endless loop.
+	 */
+	old_reg = 0;
+
+	while (1) {
+		rt2x00pci_register_read(rt2x00dev, TX_STA_FIFO, &reg);
+		if (!rt2x00_get_field32(reg, TX_STA_FIFO_VALID))
+			break;
+
+		if (old_reg == reg)
+			break;
+		old_reg = reg;
+
+		/*
+		 * Skip this entry when it contains an invalid
+		 * queue identication number.
+		 */
+		type = rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE) - 1;
+		if (type >= QID_RX)
+			continue;
+
+		queue = rt2x00queue_get_queue(rt2x00dev, type);
+		if (unlikely(!queue))
+			continue;
+
+		/*
+		 * Skip this entry when it contains an invalid
+		 * index number.
+		 */
+		index = rt2x00_get_field32(reg, TX_STA_FIFO_WCID) - 1;
+		if (unlikely(index >= queue->limit))
+			continue;
+
+		entry = &queue->entries[index];
+		entry_priv = entry->priv_data;
+		rt2x00_desc_read((__le32 *)entry->skb->data, 0, &word);
+
+		entry_done = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
+		while (entry != entry_done) {
+			/*
+			 * Catch up.
+			 * Just report any entries we missed as failed.
+			 */
+			WARNING(rt2x00dev,
+				"TX status report missed for entry %d\n",
+				entry_done->entry_idx);
+
+			txdesc.flags = 0;
+			__set_bit(TXDONE_UNKNOWN, &txdesc.flags);
+			txdesc.retry = 0;
+
+			rt2x00lib_txdone(entry_done, &txdesc);
+			entry_done = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
+		}
+
+		/*
+		 * Obtain the status about this packet.
+		 */
+		txdesc.flags = 0;
+		if (rt2x00_get_field32(reg, TX_STA_FIFO_TX_SUCCESS))
+			__set_bit(TXDONE_SUCCESS, &txdesc.flags);
+		else
+			__set_bit(TXDONE_FAILURE, &txdesc.flags);
+
+		/*
+		 * Ralink has a retry mechanism using a global fallback
+		 * table. We setup this fallback table to try immediate
+		 * lower rate for all rates. In the TX_STA_FIFO,
+		 * the MCS field contains the MCS used for the successfull
+		 * transmission. If the first transmission succeed,
+		 * we have mcs == tx_mcs. On the second transmission,
+		 * we have mcs = tx_mcs - 1. So the number of
+		 * retry is (tx_mcs - mcs).
+		 */
+		mcs = rt2x00_get_field32(word, TXWI_W0_MCS);
+		real_mcs = rt2x00_get_field32(reg, TX_STA_FIFO_MCS);
+		__set_bit(TXDONE_FALLBACK, &txdesc.flags);
+		txdesc.retry = mcs - min(mcs, real_mcs);
+
+		rt2x00lib_txdone(entry, &txdesc);
+	}
+}
+
+static irqreturn_t rt2800pci_interrupt(int irq, void *dev_instance)
+{
+	struct rt2x00_dev *rt2x00dev = dev_instance;
+	u32 reg;
+
+	/* Read status and ACK all interrupts */
+	rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, &reg);
+	rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
+
+	if (!reg)
+		return IRQ_NONE;
+
+	if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
+		return IRQ_HANDLED;
+
+	/*
+	 * 1 - Rx ring done interrupt.
+	 */
+	if (rt2x00_get_field32(reg, INT_SOURCE_CSR_RX_DONE))
+		rt2x00pci_rxdone(rt2x00dev);
+
+	if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TX_FIFO_STATUS))
+		rt2800pci_txdone(rt2x00dev);
+
+	return IRQ_HANDLED;
+}
+
+/*
+ * Device probe functions.
+ */
+static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
+{
+	u16 word;
+	u8 *mac;
+	u8 default_lna_gain;
+
+	/*
+	 * Read EEPROM into buffer
+	 */
+	switch(rt2x00dev->chip.rt) {
+	case RT2880:
+	case RT3052:
+		rt2800pci_read_eeprom_soc(rt2x00dev);
+		break;
+	case RT3090:
+		rt2800pci_read_eeprom_efuse(rt2x00dev);
+		break;
+	default:
+		rt2800pci_read_eeprom_pci(rt2x00dev);
+		break;
+	}
+
+	/*
+	 * Start validation of the data that has been read.
+	 */
+	mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
+	if (!is_valid_ether_addr(mac)) {
+		random_ether_addr(mac);
+		EEPROM(rt2x00dev, "MAC: %pM\n", mac);
+	}
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
+	if (word == 0xffff) {
+		rt2x00_set_field16(&word, EEPROM_ANTENNA_RXPATH, 2);
+		rt2x00_set_field16(&word, EEPROM_ANTENNA_TXPATH, 1);
+		rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2820);
+		rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
+		EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
+	} else if (rt2x00_rev(&rt2x00dev->chip) < RT2883_VERSION) {
+		/*
+		 * There is a max of 2 RX streams for RT2860 series
+		 */
+		if (rt2x00_get_field16(word, EEPROM_ANTENNA_RXPATH) > 2)
+			rt2x00_set_field16(&word, EEPROM_ANTENNA_RXPATH, 2);
+		rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
+	}
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
+	if (word == 0xffff) {
+		rt2x00_set_field16(&word, EEPROM_NIC_HW_RADIO, 0);
+		rt2x00_set_field16(&word, EEPROM_NIC_DYNAMIC_TX_AGC, 0);
+		rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_BG, 0);
+		rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_A, 0);
+		rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
+		rt2x00_set_field16(&word, EEPROM_NIC_BW40M_SB_BG, 0);
+		rt2x00_set_field16(&word, EEPROM_NIC_BW40M_SB_A, 0);
+		rt2x00_set_field16(&word, EEPROM_NIC_WPS_PBC, 0);
+		rt2x00_set_field16(&word, EEPROM_NIC_BW40M_BG, 0);
+		rt2x00_set_field16(&word, EEPROM_NIC_BW40M_A, 0);
+		rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
+		EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
+	}
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word);
+	if ((word & 0x00ff) == 0x00ff) {
+		rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
+		rt2x00_set_field16(&word, EEPROM_FREQ_LED_MODE,
+				   LED_MODE_TXRX_ACTIVITY);
+		rt2x00_set_field16(&word, EEPROM_FREQ_LED_POLARITY, 0);
+		rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
+		rt2x00_eeprom_write(rt2x00dev, EEPROM_LED1, 0x5555);
+		rt2x00_eeprom_write(rt2x00dev, EEPROM_LED2, 0x2221);
+		rt2x00_eeprom_write(rt2x00dev, EEPROM_LED3, 0xa9f8);
+		EEPROM(rt2x00dev, "Freq: 0x%04x\n", word);
+	}
+
+	/*
+	 * During the LNA validation we are going to use
+	 * lna0 as correct value. Note that EEPROM_LNA
+	 * is never validated.
+	 */
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &word);
+	default_lna_gain = rt2x00_get_field16(word, EEPROM_LNA_A0);
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &word);
+	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET0)) > 10)
+		rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET0, 0);
+	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET1)) > 10)
+		rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET1, 0);
+	rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG, word);
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &word);
+	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG2_OFFSET2)) > 10)
+		rt2x00_set_field16(&word, EEPROM_RSSI_BG2_OFFSET2, 0);
+	if (rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0x00 ||
+	    rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0xff)
+		rt2x00_set_field16(&word, EEPROM_RSSI_BG2_LNA_A1,
+				   default_lna_gain);
+	rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG2, word);
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &word);
+	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET0)) > 10)
+		rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET0, 0);
+	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET1)) > 10)
+		rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET1, 0);
+	rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A, word);
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &word);
+	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A2_OFFSET2)) > 10)
+		rt2x00_set_field16(&word, EEPROM_RSSI_A2_OFFSET2, 0);
+	if (rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0x00 ||
+	    rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0xff)
+		rt2x00_set_field16(&word, EEPROM_RSSI_A2_LNA_A2,
+				   default_lna_gain);
+	rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A2, word);
+
+	return 0;
+}
+
+static int rt2800pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
+{
+	u32 reg;
+	u16 value;
+	u16 eeprom;
+
+	/*
+	 * Read EEPROM word for configuration.
+	 */
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
+
+	/*
+	 * Identify RF chipset.
+	 */
+	value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
+	rt2x00pci_register_read(rt2x00dev, MAC_CSR0, &reg);
+	rt2x00_set_chip_rf(rt2x00dev, value, reg);
+
+	if (!rt2x00_rf(&rt2x00dev->chip, RF2820) &&
+	    !rt2x00_rf(&rt2x00dev->chip, RF2850) &&
+	    !rt2x00_rf(&rt2x00dev->chip, RF2720) &&
+	    !rt2x00_rf(&rt2x00dev->chip, RF2750) &&
+	    !rt2x00_rf(&rt2x00dev->chip, RF3020) &&
+	    !rt2x00_rf(&rt2x00dev->chip, RF2020) &&
+	    !rt2x00_rf(&rt2x00dev->chip, RF3021) &&
+	    !rt2x00_rf(&rt2x00dev->chip, RF3022)) {
+		ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
+		return -ENODEV;
+	}
+
+	/*
+	 * Identify default antenna configuration.
+	 */
+	rt2x00dev->default_ant.tx =
+	    rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH);
+	rt2x00dev->default_ant.rx =
+	    rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH);
+
+	/*
+	 * Read frequency offset and RF programming sequence.
+	 */
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
+	rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
+
+	/*
+	 * Read external LNA informations.
+	 */
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
+
+	if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_A))
+		__set_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
+	if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_BG))
+		__set_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
+
+	/*
+	 * Detect if this device has an hardware controlled radio.
+	 */
+	if (rt2x00_get_field16(eeprom, EEPROM_NIC_HW_RADIO))
+		__set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
+
+	/*
+	 * Store led settings, for correct led behaviour.
+	 */
+#ifdef CONFIG_RT2X00_LIB_LEDS
+	rt2800pci_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
+	rt2800pci_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
+	rt2800pci_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY);
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &rt2x00dev->led_mcu_reg);
+#endif /* CONFIG_RT2X00_LIB_LEDS */
+
+	return 0;
+}
+
+/*
+ * RF value list for rt2860
+ * Supports: 2.4 GHz (all) & 5.2 GHz (RF2850 & RF2750)
+ */
+static const struct rf_channel rf_vals[] = {
+	{ 1,  0x18402ecc, 0x184c0786, 0x1816b455, 0x1800510b },
+	{ 2,  0x18402ecc, 0x184c0786, 0x18168a55, 0x1800519f },
+	{ 3,  0x18402ecc, 0x184c078a, 0x18168a55, 0x1800518b },
+	{ 4,  0x18402ecc, 0x184c078a, 0x18168a55, 0x1800519f },
+	{ 5,  0x18402ecc, 0x184c078e, 0x18168a55, 0x1800518b },
+	{ 6,  0x18402ecc, 0x184c078e, 0x18168a55, 0x1800519f },
+	{ 7,  0x18402ecc, 0x184c0792, 0x18168a55, 0x1800518b },
+	{ 8,  0x18402ecc, 0x184c0792, 0x18168a55, 0x1800519f },
+	{ 9,  0x18402ecc, 0x184c0796, 0x18168a55, 0x1800518b },
+	{ 10, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800519f },
+	{ 11, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800518b },
+	{ 12, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800519f },
+	{ 13, 0x18402ecc, 0x184c079e, 0x18168a55, 0x1800518b },
+	{ 14, 0x18402ecc, 0x184c07a2, 0x18168a55, 0x18005193 },
+
+	/* 802.11 UNI / HyperLan 2 */
+	{ 36, 0x18402ecc, 0x184c099a, 0x18158a55, 0x180ed1a3 },
+	{ 38, 0x18402ecc, 0x184c099e, 0x18158a55, 0x180ed193 },
+	{ 40, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed183 },
+	{ 44, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed1a3 },
+	{ 46, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed18b },
+	{ 48, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed19b },
+	{ 52, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed193 },
+	{ 54, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed1a3 },
+	{ 56, 0x18402ec8, 0x184c068e, 0x18158a55, 0x180ed18b },
+	{ 60, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed183 },
+	{ 62, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed193 },
+	{ 64, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed1a3 },
+
+	/* 802.11 HyperLan 2 */
+	{ 100, 0x18402ec8, 0x184c06b2, 0x18178a55, 0x180ed783 },
+	{ 102, 0x18402ec8, 0x184c06b2, 0x18578a55, 0x180ed793 },
+	{ 104, 0x18402ec8, 0x185c06b2, 0x18578a55, 0x180ed1a3 },
+	{ 108, 0x18402ecc, 0x185c0a32, 0x18578a55, 0x180ed193 },
+	{ 110, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed183 },
+	{ 112, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed19b },
+	{ 116, 0x18402ecc, 0x184c0a3a, 0x18178a55, 0x180ed1a3 },
+	{ 118, 0x18402ecc, 0x184c0a3e, 0x18178a55, 0x180ed193 },
+	{ 120, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed183 },
+	{ 124, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed193 },
+	{ 126, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed15b },
+	{ 128, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed1a3 },
+	{ 132, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed18b },
+	{ 134, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed193 },
+	{ 136, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed19b },
+	{ 140, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed183 },
+
+	/* 802.11 UNII */
+	{ 149, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed1a7 },
+	{ 151, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed187 },
+	{ 153, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed18f },
+	{ 157, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed19f },
+	{ 159, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed1a7 },
+	{ 161, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed187 },
+	{ 165, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed197 },
+
+	/* 802.11 Japan */
+	{ 184, 0x15002ccc, 0x1500491e, 0x1509be55, 0x150c0a0b },
+	{ 188, 0x15002ccc, 0x15004922, 0x1509be55, 0x150c0a13 },
+	{ 192, 0x15002ccc, 0x15004926, 0x1509be55, 0x150c0a1b },
+	{ 196, 0x15002ccc, 0x1500492a, 0x1509be55, 0x150c0a23 },
+	{ 208, 0x15002ccc, 0x1500493a, 0x1509be55, 0x150c0a13 },
+	{ 212, 0x15002ccc, 0x1500493e, 0x1509be55, 0x150c0a1b },
+	{ 216, 0x15002ccc, 0x15004982, 0x1509be55, 0x150c0a23 },
+};
+
+static int rt2800pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
+{
+	struct hw_mode_spec *spec = &rt2x00dev->spec;
+	struct channel_info *info;
+	char *tx_power1;
+	char *tx_power2;
+	unsigned int i;
+	u16 eeprom;
+
+	/*
+	 * Initialize all hw fields.
+	 */
+	rt2x00dev->hw->flags =
+	    IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
+	    IEEE80211_HW_SIGNAL_DBM |
+	    IEEE80211_HW_SUPPORTS_PS |
+	    IEEE80211_HW_PS_NULLFUNC_STACK;
+	rt2x00dev->hw->extra_tx_headroom = TXWI_DESC_SIZE;
+
+	SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
+	SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
+				rt2x00_eeprom_addr(rt2x00dev,
+						   EEPROM_MAC_ADDR_0));
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
+
+	/*
+	 * Initialize hw_mode information.
+	 */
+	spec->supported_bands = SUPPORT_BAND_2GHZ;
+	spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
+
+	if (rt2x00_rf(&rt2x00dev->chip, RF2820) ||
+	    rt2x00_rf(&rt2x00dev->chip, RF2720) ||
+	    rt2x00_rf(&rt2x00dev->chip, RF3020) ||
+	    rt2x00_rf(&rt2x00dev->chip, RF3021) ||
+	    rt2x00_rf(&rt2x00dev->chip, RF3022) ||
+	    rt2x00_rf(&rt2x00dev->chip, RF2020) ||
+	    rt2x00_rf(&rt2x00dev->chip, RF3052)) {
+		spec->num_channels = 14;
+		spec->channels = rf_vals;
+	} else if (rt2x00_rf(&rt2x00dev->chip, RF2850) ||
+		   rt2x00_rf(&rt2x00dev->chip, RF2750)) {
+		spec->supported_bands |= SUPPORT_BAND_5GHZ;
+		spec->num_channels = ARRAY_SIZE(rf_vals);
+		spec->channels = rf_vals;
+	}
+
+	/*
+	 * Initialize HT information.
+	 */
+	spec->ht.ht_supported = true;
+	spec->ht.cap =
+	    IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
+	    IEEE80211_HT_CAP_GRN_FLD |
+	    IEEE80211_HT_CAP_SGI_20 |
+	    IEEE80211_HT_CAP_SGI_40 |
+	    IEEE80211_HT_CAP_TX_STBC |
+	    IEEE80211_HT_CAP_RX_STBC |
+	    IEEE80211_HT_CAP_PSMP_SUPPORT;
+	spec->ht.ampdu_factor = 3;
+	spec->ht.ampdu_density = 4;
+	spec->ht.mcs.tx_params =
+	    IEEE80211_HT_MCS_TX_DEFINED |
+	    IEEE80211_HT_MCS_TX_RX_DIFF |
+	    ((rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH) - 1) <<
+		IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
+
+	switch (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH)) {
+	case 3:
+		spec->ht.mcs.rx_mask[2] = 0xff;
+	case 2:
+		spec->ht.mcs.rx_mask[1] = 0xff;
+	case 1:
+		spec->ht.mcs.rx_mask[0] = 0xff;
+		spec->ht.mcs.rx_mask[4] = 0x1; /* MCS32 */
+		break;
+	}
+
+	/*
+	 * Create channel information array
+	 */
+	info = kzalloc(spec->num_channels * sizeof(*info), GFP_KERNEL);
+	if (!info)
+		return -ENOMEM;
+
+	spec->channels_info = info;
+
+	tx_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG1);
+	tx_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG2);
+
+	for (i = 0; i < 14; i++) {
+		info[i].tx_power1 = TXPOWER_G_FROM_DEV(tx_power1[i]);
+		info[i].tx_power2 = TXPOWER_G_FROM_DEV(tx_power2[i]);
+	}
+
+	if (spec->num_channels > 14) {
+		tx_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A1);
+		tx_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A2);
+
+		for (i = 14; i < spec->num_channels; i++) {
+			info[i].tx_power1 = TXPOWER_A_FROM_DEV(tx_power1[i]);
+			info[i].tx_power2 = TXPOWER_A_FROM_DEV(tx_power2[i]);
+		}
+	}
+
+	return 0;
+}
+
+static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev)
+{
+	int retval;
+
+	/*
+	 * Allocate eeprom data.
+	 */
+	retval = rt2800pci_validate_eeprom(rt2x00dev);
+	if (retval)
+		return retval;
+
+	retval = rt2800pci_init_eeprom(rt2x00dev);
+	if (retval)
+		return retval;
+
+	/*
+	 * Initialize hw specifications.
+	 */
+	retval = rt2800pci_probe_hw_mode(rt2x00dev);
+	if (retval)
+		return retval;
+
+	/*
+	 * This device has multiple filters for control frames
+	 * and has a separate filter for PS Poll frames.
+	 */
+	__set_bit(DRIVER_SUPPORT_CONTROL_FILTERS, &rt2x00dev->flags);
+	__set_bit(DRIVER_SUPPORT_CONTROL_FILTER_PSPOLL, &rt2x00dev->flags);
+
+	/*
+	 * This device requires firmware.
+	 */
+	if (!rt2x00_rt(&rt2x00dev->chip, RT2880) &&
+	    !rt2x00_rt(&rt2x00dev->chip, RT3052))
+		__set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags);
+	__set_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags);
+	__set_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags);
+	if (!modparam_nohwcrypt)
+		__set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags);
+
+	/*
+	 * Set the rssi offset.
+	 */
+	rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
+
+	return 0;
+}
+
+/*
+ * IEEE80211 stack callback functions.
+ */
+static void rt2800pci_get_tkip_seq(struct ieee80211_hw *hw, u8 hw_key_idx,
+				   u32 *iv32, u16 *iv16)
+{
+	struct rt2x00_dev *rt2x00dev = hw->priv;
+	struct mac_iveiv_entry iveiv_entry;
+	u32 offset;
+
+	offset = MAC_IVEIV_ENTRY(hw_key_idx);
+	rt2x00pci_register_multiread(rt2x00dev, offset,
+				      &iveiv_entry, sizeof(iveiv_entry));
+
+	memcpy(&iveiv_entry.iv[0], iv16, sizeof(iv16));
+	memcpy(&iveiv_entry.iv[4], iv32, sizeof(iv32));
+}
+
+static int rt2800pci_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
+{
+	struct rt2x00_dev *rt2x00dev = hw->priv;
+	u32 reg;
+	bool enabled = (value < IEEE80211_MAX_RTS_THRESHOLD);
+
+	rt2x00pci_register_read(rt2x00dev, TX_RTS_CFG, &reg);
+	rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES, value);
+	rt2x00pci_register_write(rt2x00dev, TX_RTS_CFG, reg);
+
+	rt2x00pci_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, enabled);
+	rt2x00pci_register_write(rt2x00dev, CCK_PROT_CFG, reg);
+
+	rt2x00pci_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, enabled);
+	rt2x00pci_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
+
+	rt2x00pci_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, enabled);
+	rt2x00pci_register_write(rt2x00dev, MM20_PROT_CFG, reg);
+
+	rt2x00pci_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, enabled);
+	rt2x00pci_register_write(rt2x00dev, MM40_PROT_CFG, reg);
+
+	rt2x00pci_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, enabled);
+	rt2x00pci_register_write(rt2x00dev, GF20_PROT_CFG, reg);
+
+	rt2x00pci_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, enabled);
+	rt2x00pci_register_write(rt2x00dev, GF40_PROT_CFG, reg);
+
+	return 0;
+}
+
+static int rt2800pci_conf_tx(struct ieee80211_hw *hw, u16 queue_idx,
+			     const struct ieee80211_tx_queue_params *params)
+{
+	struct rt2x00_dev *rt2x00dev = hw->priv;
+	struct data_queue *queue;
+	struct rt2x00_field32 field;
+	int retval;
+	u32 reg;
+	u32 offset;
+
+	/*
+	 * First pass the configuration through rt2x00lib, that will
+	 * update the queue settings and validate the input. After that
+	 * we are free to update the registers based on the value
+	 * in the queue parameter.
+	 */
+	retval = rt2x00mac_conf_tx(hw, queue_idx, params);
+	if (retval)
+		return retval;
+
+	/*
+	 * We only need to perform additional register initialization
+	 * for WMM queues/
+	 */
+	if (queue_idx >= 4)
+		return 0;
+
+	queue = rt2x00queue_get_queue(rt2x00dev, queue_idx);
+
+	/* Update WMM TXOP register */
+	offset = WMM_TXOP0_CFG + (sizeof(u32) * (!!(queue_idx & 2)));
+	field.bit_offset = (queue_idx & 1) * 16;
+	field.bit_mask = 0xffff << field.bit_offset;
+
+	rt2x00pci_register_read(rt2x00dev, offset, &reg);
+	rt2x00_set_field32(&reg, field, queue->txop);
+	rt2x00pci_register_write(rt2x00dev, offset, reg);
+
+	/* Update WMM registers */
+	field.bit_offset = queue_idx * 4;
+	field.bit_mask = 0xf << field.bit_offset;
+
+	rt2x00pci_register_read(rt2x00dev, WMM_AIFSN_CFG, &reg);
+	rt2x00_set_field32(&reg, field, queue->aifs);
+	rt2x00pci_register_write(rt2x00dev, WMM_AIFSN_CFG, reg);
+
+	rt2x00pci_register_read(rt2x00dev, WMM_CWMIN_CFG, &reg);
+	rt2x00_set_field32(&reg, field, queue->cw_min);
+	rt2x00pci_register_write(rt2x00dev, WMM_CWMIN_CFG, reg);
+
+	rt2x00pci_register_read(rt2x00dev, WMM_CWMAX_CFG, &reg);
+	rt2x00_set_field32(&reg, field, queue->cw_max);
+	rt2x00pci_register_write(rt2x00dev, WMM_CWMAX_CFG, reg);
+
+	/* Update EDCA registers */
+	offset = EDCA_AC0_CFG + (sizeof(u32) * queue_idx);
+
+	rt2x00pci_register_read(rt2x00dev, offset, &reg);
+	rt2x00_set_field32(&reg, EDCA_AC0_CFG_TX_OP, queue->txop);
+	rt2x00_set_field32(&reg, EDCA_AC0_CFG_AIFSN, queue->aifs);
+	rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMIN, queue->cw_min);
+	rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMAX, queue->cw_max);
+	rt2x00pci_register_write(rt2x00dev, offset, reg);
+
+	return 0;
+}
+
+static u64 rt2800pci_get_tsf(struct ieee80211_hw *hw)
+{
+	struct rt2x00_dev *rt2x00dev = hw->priv;
+	u64 tsf;
+	u32 reg;
+
+	rt2x00pci_register_read(rt2x00dev, TSF_TIMER_DW1, &reg);
+	tsf = (u64) rt2x00_get_field32(reg, TSF_TIMER_DW1_HIGH_WORD) << 32;
+	rt2x00pci_register_read(rt2x00dev, TSF_TIMER_DW0, &reg);
+	tsf |= rt2x00_get_field32(reg, TSF_TIMER_DW0_LOW_WORD);
+
+	return tsf;
+}
+
+static const struct ieee80211_ops rt2800pci_mac80211_ops = {
+	.tx			= rt2x00mac_tx,
+	.start			= rt2x00mac_start,
+	.stop			= rt2x00mac_stop,
+	.add_interface		= rt2x00mac_add_interface,
+	.remove_interface	= rt2x00mac_remove_interface,
+	.config			= rt2x00mac_config,
+	.configure_filter	= rt2x00mac_configure_filter,
+	.set_key		= rt2x00mac_set_key,
+	.get_stats		= rt2x00mac_get_stats,
+	.get_tkip_seq		= rt2800pci_get_tkip_seq,
+	.set_rts_threshold	= rt2800pci_set_rts_threshold,
+	.bss_info_changed	= rt2x00mac_bss_info_changed,
+	.conf_tx		= rt2800pci_conf_tx,
+	.get_tx_stats		= rt2x00mac_get_tx_stats,
+	.get_tsf		= rt2800pci_get_tsf,
+	.rfkill_poll		= rt2x00mac_rfkill_poll,
+};
+
+static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = {
+	.irq_handler		= rt2800pci_interrupt,
+	.probe_hw		= rt2800pci_probe_hw,
+	.get_firmware_name	= rt2800pci_get_firmware_name,
+	.check_firmware		= rt2800pci_check_firmware,
+	.load_firmware		= rt2800pci_load_firmware,
+	.initialize		= rt2x00pci_initialize,
+	.uninitialize		= rt2x00pci_uninitialize,
+	.get_entry_state	= rt2800pci_get_entry_state,
+	.clear_entry		= rt2800pci_clear_entry,
+	.set_device_state	= rt2800pci_set_device_state,
+	.rfkill_poll		= rt2800pci_rfkill_poll,
+	.link_stats		= rt2800pci_link_stats,
+	.reset_tuner		= rt2800pci_reset_tuner,
+	.link_tuner		= rt2800pci_link_tuner,
+	.write_tx_desc		= rt2800pci_write_tx_desc,
+	.write_tx_data		= rt2x00pci_write_tx_data,
+	.write_beacon		= rt2800pci_write_beacon,
+	.kick_tx_queue		= rt2800pci_kick_tx_queue,
+	.kill_tx_queue		= rt2800pci_kill_tx_queue,
+	.fill_rxdone		= rt2800pci_fill_rxdone,
+	.config_shared_key	= rt2800pci_config_shared_key,
+	.config_pairwise_key	= rt2800pci_config_pairwise_key,
+	.config_filter		= rt2800pci_config_filter,
+	.config_intf		= rt2800pci_config_intf,
+	.config_erp		= rt2800pci_config_erp,
+	.config_ant		= rt2800pci_config_ant,
+	.config			= rt2800pci_config,
+};
+
+static const struct data_queue_desc rt2800pci_queue_rx = {
+	.entry_num		= RX_ENTRIES,
+	.data_size		= AGGREGATION_SIZE,
+	.desc_size		= RXD_DESC_SIZE,
+	.priv_size		= sizeof(struct queue_entry_priv_pci),
+};
+
+static const struct data_queue_desc rt2800pci_queue_tx = {
+	.entry_num		= TX_ENTRIES,
+	.data_size		= AGGREGATION_SIZE,
+	.desc_size		= TXD_DESC_SIZE,
+	.priv_size		= sizeof(struct queue_entry_priv_pci),
+};
+
+static const struct data_queue_desc rt2800pci_queue_bcn = {
+	.entry_num		= 8 * BEACON_ENTRIES,
+	.data_size		= 0, /* No DMA required for beacons */
+	.desc_size		= TXWI_DESC_SIZE,
+	.priv_size		= sizeof(struct queue_entry_priv_pci),
+};
+
+static const struct rt2x00_ops rt2800pci_ops = {
+	.name		= KBUILD_MODNAME,
+	.max_sta_intf	= 1,
+	.max_ap_intf	= 8,
+	.eeprom_size	= EEPROM_SIZE,
+	.rf_size	= RF_SIZE,
+	.tx_queues	= NUM_TX_QUEUES,
+	.rx		= &rt2800pci_queue_rx,
+	.tx		= &rt2800pci_queue_tx,
+	.bcn		= &rt2800pci_queue_bcn,
+	.lib		= &rt2800pci_rt2x00_ops,
+	.hw		= &rt2800pci_mac80211_ops,
+#ifdef CONFIG_RT2X00_LIB_DEBUGFS
+	.debugfs	= &rt2800pci_rt2x00debug,
+#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
+};
+
+/*
+ * RT2800pci module information.
+ */
+static struct pci_device_id rt2800pci_device_table[] = {
+	{ PCI_DEVICE(0x1462, 0x891a), PCI_DEVICE_DATA(&rt2800pci_ops) },
+	{ PCI_DEVICE(0x1432, 0x7708), PCI_DEVICE_DATA(&rt2800pci_ops) },
+	{ PCI_DEVICE(0x1432, 0x7727), PCI_DEVICE_DATA(&rt2800pci_ops) },
+	{ PCI_DEVICE(0x1432, 0x7728), PCI_DEVICE_DATA(&rt2800pci_ops) },
+	{ PCI_DEVICE(0x1432, 0x7738), PCI_DEVICE_DATA(&rt2800pci_ops) },
+	{ PCI_DEVICE(0x1432, 0x7748), PCI_DEVICE_DATA(&rt2800pci_ops) },
+	{ PCI_DEVICE(0x1432, 0x7758), PCI_DEVICE_DATA(&rt2800pci_ops) },
+	{ PCI_DEVICE(0x1432, 0x7768), PCI_DEVICE_DATA(&rt2800pci_ops) },
+	{ PCI_DEVICE(0x1814, 0x0601), PCI_DEVICE_DATA(&rt2800pci_ops) },
+	{ PCI_DEVICE(0x1814, 0x0681), PCI_DEVICE_DATA(&rt2800pci_ops) },
+	{ PCI_DEVICE(0x1814, 0x0701), PCI_DEVICE_DATA(&rt2800pci_ops) },
+	{ PCI_DEVICE(0x1814, 0x0781), PCI_DEVICE_DATA(&rt2800pci_ops) },
+	{ PCI_DEVICE(0x1814, 0x3060), PCI_DEVICE_DATA(&rt2800pci_ops) },
+	{ PCI_DEVICE(0x1814, 0x3062), PCI_DEVICE_DATA(&rt2800pci_ops) },
+	{ PCI_DEVICE(0x1814, 0x3090), PCI_DEVICE_DATA(&rt2800pci_ops) },
+	{ PCI_DEVICE(0x1814, 0x3091), PCI_DEVICE_DATA(&rt2800pci_ops) },
+	{ PCI_DEVICE(0x1814, 0x3092), PCI_DEVICE_DATA(&rt2800pci_ops) },
+	{ PCI_DEVICE(0x1814, 0x3562), PCI_DEVICE_DATA(&rt2800pci_ops) },
+	{ PCI_DEVICE(0x1814, 0x3592), PCI_DEVICE_DATA(&rt2800pci_ops) },
+	{ PCI_DEVICE(0x1a3b, 0x1059), PCI_DEVICE_DATA(&rt2800pci_ops) },
+	{ 0, }
+};
+
+MODULE_AUTHOR(DRV_PROJECT);
+MODULE_VERSION(DRV_VERSION);
+MODULE_DESCRIPTION("Ralink RT2800 PCI & PCMCIA Wireless LAN driver.");
+MODULE_SUPPORTED_DEVICE("Ralink RT2860 PCI & PCMCIA chipset based cards");
+#ifdef CONFIG_RT2800PCI_PCI
+MODULE_FIRMWARE(FIRMWARE_RT2860);
+MODULE_DEVICE_TABLE(pci, rt2800pci_device_table);
+#endif /* CONFIG_RT2800PCI_PCI */
+MODULE_LICENSE("GPL");
+
+#ifdef CONFIG_RT2800PCI_WISOC
+#if defined(CONFIG_RALINK_RT288X)
+__rt2x00soc_probe(RT2880, &rt2800pci_ops);
+#elif defined(CONFIG_RALINK_RT305X)
+__rt2x00soc_probe(RT3052, &rt2800pci_ops);
+#endif
+
+static struct platform_driver rt2800soc_driver = {
+	.driver		= {
+		.name		= "rt2800_wmac",
+		.owner		= THIS_MODULE,
+		.mod_name	= KBUILD_MODNAME,
+	},
+	.probe		= __rt2x00soc_probe,
+	.remove		= __devexit_p(rt2x00soc_remove),
+	.suspend	= rt2x00soc_suspend,
+	.resume		= rt2x00soc_resume,
+};
+#endif /* CONFIG_RT2800PCI_WISOC */
+
+#ifdef CONFIG_RT2800PCI_PCI
+static struct pci_driver rt2800pci_driver = {
+	.name		= KBUILD_MODNAME,
+	.id_table	= rt2800pci_device_table,
+	.probe		= rt2x00pci_probe,
+	.remove		= __devexit_p(rt2x00pci_remove),
+	.suspend	= rt2x00pci_suspend,
+	.resume		= rt2x00pci_resume,
+};
+#endif /* CONFIG_RT2800PCI_PCI */
+
+static int __init rt2800pci_init(void)
+{
+	int ret = 0;
+
+#ifdef CONFIG_RT2800PCI_WISOC
+	ret = platform_driver_register(&rt2800soc_driver);
+	if (ret)
+		return ret;
+#endif
+#ifdef CONFIG_RT2800PCI_PCI
+	ret = pci_register_driver(&rt2800pci_driver);
+	if (ret) {
+#ifdef CONFIG_RT2800PCI_WISOC
+		platform_driver_unregister(&rt2800soc_driver);
+#endif
+		return ret;
+	}
+#endif
+
+	return ret;
+}
+
+static void __exit rt2800pci_exit(void)
+{
+#ifdef CONFIG_RT2800PCI_PCI
+	pci_unregister_driver(&rt2800pci_driver);
+#endif
+#ifdef CONFIG_RT2800PCI_WISOC
+	platform_driver_unregister(&rt2800soc_driver);
+#endif
+}
+
+module_init(rt2800pci_init);
+module_exit(rt2800pci_exit);
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.h b/drivers/net/wireless/rt2x00/rt2800pci.h
new file mode 100644
index 00000000000..85690881522
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2800pci.h
@@ -0,0 +1,1960 @@
+/*
+	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	<http://rt2x00.serialmonkey.com>
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation; either version 2 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to the
+	Free Software Foundation, Inc.,
+	59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+	Module: rt2800pci
+	Abstract: Data structures and registers for the rt2800pci module.
+	Supported chipsets: RT2800E & RT2800ED.
+ */
+
+#ifndef RT2800PCI_H
+#define RT2800PCI_H
+
+/*
+ * RF chip defines.
+ *
+ * RF2820 2.4G 2T3R
+ * RF2850 2.4G/5G 2T3R
+ * RF2720 2.4G 1T2R
+ * RF2750 2.4G/5G 1T2R
+ * RF3020 2.4G 1T1R
+ * RF2020 2.4G B/G
+ * RF3021 2.4G 1T2R
+ * RF3022 2.4G 2T2R
+ * RF3052 2.4G 2T2R
+ */
+#define RF2820				0x0001
+#define RF2850				0x0002
+#define RF2720				0x0003
+#define RF2750				0x0004
+#define RF3020				0x0005
+#define RF2020				0x0006
+#define RF3021				0x0007
+#define RF3022				0x0008
+#define RF3052				0x0009
+
+/*
+ * RT2860 version
+ */
+#define RT2860C_VERSION			0x28600100
+#define RT2860D_VERSION			0x28600101
+#define RT2880E_VERSION			0x28720200
+#define RT2883_VERSION			0x28830300
+#define RT3070_VERSION			0x30700200
+
+/*
+ * Signal information.
+ * Default offset is required for RSSI <-> dBm conversion.
+ */
+#define DEFAULT_RSSI_OFFSET		120 /* FIXME */
+
+/*
+ * Register layout information.
+ */
+#define CSR_REG_BASE			0x1000
+#define CSR_REG_SIZE			0x0800
+#define EEPROM_BASE			0x0000
+#define EEPROM_SIZE			0x0110
+#define BBP_BASE			0x0000
+#define BBP_SIZE			0x0080
+#define RF_BASE				0x0004
+#define RF_SIZE				0x0010
+
+/*
+ * Number of TX queues.
+ */
+#define NUM_TX_QUEUES			4
+
+/*
+ * PCI registers.
+ */
+
+/*
+ * E2PROM_CSR: EEPROM control register.
+ * RELOAD: Write 1 to reload eeprom content.
+ * TYPE: 0: 93c46, 1:93c66.
+ * LOAD_STATUS: 1:loading, 0:done.
+ */
+#define E2PROM_CSR			0x0004
+#define E2PROM_CSR_DATA_CLOCK		FIELD32(0x00000001)
+#define E2PROM_CSR_CHIP_SELECT		FIELD32(0x00000002)
+#define E2PROM_CSR_DATA_IN		FIELD32(0x00000004)
+#define E2PROM_CSR_DATA_OUT		FIELD32(0x00000008)
+#define E2PROM_CSR_TYPE			FIELD32(0x00000030)
+#define E2PROM_CSR_LOAD_STATUS		FIELD32(0x00000040)
+#define E2PROM_CSR_RELOAD		FIELD32(0x00000080)
+
+/*
+ * INT_SOURCE_CSR: Interrupt source register.
+ * Write one to clear corresponding bit.
+ * TX_FIFO_STATUS: FIFO Statistics is full, sw should read 0x171c
+ */
+#define INT_SOURCE_CSR			0x0200
+#define INT_SOURCE_CSR_RXDELAYINT	FIELD32(0x00000001)
+#define INT_SOURCE_CSR_TXDELAYINT	FIELD32(0x00000002)
+#define INT_SOURCE_CSR_RX_DONE		FIELD32(0x00000004)
+#define INT_SOURCE_CSR_AC0_DMA_DONE	FIELD32(0x00000008)
+#define INT_SOURCE_CSR_AC1_DMA_DONE	FIELD32(0x00000010)
+#define INT_SOURCE_CSR_AC2_DMA_DONE	FIELD32(0x00000020)
+#define INT_SOURCE_CSR_AC3_DMA_DONE	FIELD32(0x00000040)
+#define INT_SOURCE_CSR_HCCA_DMA_DONE	FIELD32(0x00000080)
+#define INT_SOURCE_CSR_MGMT_DMA_DONE	FIELD32(0x00000100)
+#define INT_SOURCE_CSR_MCU_COMMAND	FIELD32(0x00000200)
+#define INT_SOURCE_CSR_RXTX_COHERENT	FIELD32(0x00000400)
+#define INT_SOURCE_CSR_TBTT		FIELD32(0x00000800)
+#define INT_SOURCE_CSR_PRE_TBTT		FIELD32(0x00001000)
+#define INT_SOURCE_CSR_TX_FIFO_STATUS	FIELD32(0x00002000)
+#define INT_SOURCE_CSR_AUTO_WAKEUP	FIELD32(0x00004000)
+#define INT_SOURCE_CSR_GPTIMER		FIELD32(0x00008000)
+#define INT_SOURCE_CSR_RX_COHERENT	FIELD32(0x00010000)
+#define INT_SOURCE_CSR_TX_COHERENT	FIELD32(0x00020000)
+
+/*
+ * INT_MASK_CSR: Interrupt MASK register. 1: the interrupt is mask OFF.
+ */
+#define INT_MASK_CSR			0x0204
+#define INT_MASK_CSR_RXDELAYINT		FIELD32(0x00000001)
+#define INT_MASK_CSR_TXDELAYINT		FIELD32(0x00000002)
+#define INT_MASK_CSR_RX_DONE		FIELD32(0x00000004)
+#define INT_MASK_CSR_AC0_DMA_DONE	FIELD32(0x00000008)
+#define INT_MASK_CSR_AC1_DMA_DONE	FIELD32(0x00000010)
+#define INT_MASK_CSR_AC2_DMA_DONE	FIELD32(0x00000020)
+#define INT_MASK_CSR_AC3_DMA_DONE	FIELD32(0x00000040)
+#define INT_MASK_CSR_HCCA_DMA_DONE	FIELD32(0x00000080)
+#define INT_MASK_CSR_MGMT_DMA_DONE	FIELD32(0x00000100)
+#define INT_MASK_CSR_MCU_COMMAND	FIELD32(0x00000200)
+#define INT_MASK_CSR_RXTX_COHERENT	FIELD32(0x00000400)
+#define INT_MASK_CSR_TBTT		FIELD32(0x00000800)
+#define INT_MASK_CSR_PRE_TBTT		FIELD32(0x00001000)
+#define INT_MASK_CSR_TX_FIFO_STATUS	FIELD32(0x00002000)
+#define INT_MASK_CSR_AUTO_WAKEUP	FIELD32(0x00004000)
+#define INT_MASK_CSR_GPTIMER		FIELD32(0x00008000)
+#define INT_MASK_CSR_RX_COHERENT	FIELD32(0x00010000)
+#define INT_MASK_CSR_TX_COHERENT	FIELD32(0x00020000)
+
+/*
+ * WPDMA_GLO_CFG
+ */
+#define WPDMA_GLO_CFG 			0x0208
+#define WPDMA_GLO_CFG_ENABLE_TX_DMA	FIELD32(0x00000001)
+#define WPDMA_GLO_CFG_TX_DMA_BUSY    	FIELD32(0x00000002)
+#define WPDMA_GLO_CFG_ENABLE_RX_DMA	FIELD32(0x00000004)
+#define WPDMA_GLO_CFG_RX_DMA_BUSY	FIELD32(0x00000008)
+#define WPDMA_GLO_CFG_WP_DMA_BURST_SIZE	FIELD32(0x00000030)
+#define WPDMA_GLO_CFG_TX_WRITEBACK_DONE	FIELD32(0x00000040)
+#define WPDMA_GLO_CFG_BIG_ENDIAN	FIELD32(0x00000080)
+#define WPDMA_GLO_CFG_RX_HDR_SCATTER	FIELD32(0x0000ff00)
+#define WPDMA_GLO_CFG_HDR_SEG_LEN	FIELD32(0xffff0000)
+
+/*
+ * WPDMA_RST_IDX
+ */
+#define WPDMA_RST_IDX 			0x020c
+#define WPDMA_RST_IDX_DTX_IDX0		FIELD32(0x00000001)
+#define WPDMA_RST_IDX_DTX_IDX1		FIELD32(0x00000002)
+#define WPDMA_RST_IDX_DTX_IDX2		FIELD32(0x00000004)
+#define WPDMA_RST_IDX_DTX_IDX3		FIELD32(0x00000008)
+#define WPDMA_RST_IDX_DTX_IDX4		FIELD32(0x00000010)
+#define WPDMA_RST_IDX_DTX_IDX5		FIELD32(0x00000020)
+#define WPDMA_RST_IDX_DRX_IDX0		FIELD32(0x00010000)
+
+/*
+ * DELAY_INT_CFG
+ */
+#define DELAY_INT_CFG			0x0210
+#define DELAY_INT_CFG_RXMAX_PTIME	FIELD32(0x000000ff)
+#define DELAY_INT_CFG_RXMAX_PINT	FIELD32(0x00007f00)
+#define DELAY_INT_CFG_RXDLY_INT_EN	FIELD32(0x00008000)
+#define DELAY_INT_CFG_TXMAX_PTIME	FIELD32(0x00ff0000)
+#define DELAY_INT_CFG_TXMAX_PINT	FIELD32(0x7f000000)
+#define DELAY_INT_CFG_TXDLY_INT_EN	FIELD32(0x80000000)
+
+/*
+ * WMM_AIFSN_CFG: Aifsn for each EDCA AC
+ * AIFSN0: AC_BE
+ * AIFSN1: AC_BK
+ * AIFSN1: AC_VI
+ * AIFSN1: AC_VO
+ */
+#define WMM_AIFSN_CFG			0x0214
+#define WMM_AIFSN_CFG_AIFSN0		FIELD32(0x0000000f)
+#define WMM_AIFSN_CFG_AIFSN1		FIELD32(0x000000f0)
+#define WMM_AIFSN_CFG_AIFSN2		FIELD32(0x00000f00)
+#define WMM_AIFSN_CFG_AIFSN3		FIELD32(0x0000f000)
+
+/*
+ * WMM_CWMIN_CSR: CWmin for each EDCA AC
+ * CWMIN0: AC_BE
+ * CWMIN1: AC_BK
+ * CWMIN1: AC_VI
+ * CWMIN1: AC_VO
+ */
+#define WMM_CWMIN_CFG			0x0218
+#define WMM_CWMIN_CFG_CWMIN0		FIELD32(0x0000000f)
+#define WMM_CWMIN_CFG_CWMIN1		FIELD32(0x000000f0)
+#define WMM_CWMIN_CFG_CWMIN2		FIELD32(0x00000f00)
+#define WMM_CWMIN_CFG_CWMIN3		FIELD32(0x0000f000)
+
+/*
+ * WMM_CWMAX_CSR: CWmax for each EDCA AC
+ * CWMAX0: AC_BE
+ * CWMAX1: AC_BK
+ * CWMAX1: AC_VI
+ * CWMAX1: AC_VO
+ */
+#define WMM_CWMAX_CFG			0x021c
+#define WMM_CWMAX_CFG_CWMAX0		FIELD32(0x0000000f)
+#define WMM_CWMAX_CFG_CWMAX1		FIELD32(0x000000f0)
+#define WMM_CWMAX_CFG_CWMAX2		FIELD32(0x00000f00)
+#define WMM_CWMAX_CFG_CWMAX3		FIELD32(0x0000f000)
+
+/*
+ * AC_TXOP0: AC_BK/AC_BE TXOP register
+ * AC0TXOP: AC_BK in unit of 32us
+ * AC1TXOP: AC_BE in unit of 32us
+ */
+#define WMM_TXOP0_CFG			0x0220
+#define WMM_TXOP0_CFG_AC0TXOP		FIELD32(0x0000ffff)
+#define WMM_TXOP0_CFG_AC1TXOP		FIELD32(0xffff0000)
+
+/*
+ * AC_TXOP1: AC_VO/AC_VI TXOP register
+ * AC2TXOP: AC_VI in unit of 32us
+ * AC3TXOP: AC_VO in unit of 32us
+ */
+#define WMM_TXOP1_CFG			0x0224
+#define WMM_TXOP1_CFG_AC2TXOP		FIELD32(0x0000ffff)
+#define WMM_TXOP1_CFG_AC3TXOP		FIELD32(0xffff0000)
+
+/*
+ * GPIO_CTRL_CFG:
+ */
+#define GPIO_CTRL_CFG			0x0228
+#define GPIO_CTRL_CFG_BIT0		FIELD32(0x00000001)
+#define GPIO_CTRL_CFG_BIT1		FIELD32(0x00000002)
+#define GPIO_CTRL_CFG_BIT2		FIELD32(0x00000004)
+#define GPIO_CTRL_CFG_BIT3		FIELD32(0x00000008)
+#define GPIO_CTRL_CFG_BIT4		FIELD32(0x00000010)
+#define GPIO_CTRL_CFG_BIT5		FIELD32(0x00000020)
+#define GPIO_CTRL_CFG_BIT6		FIELD32(0x00000040)
+#define GPIO_CTRL_CFG_BIT7		FIELD32(0x00000080)
+#define GPIO_CTRL_CFG_BIT8		FIELD32(0x00000100)
+
+/*
+ * MCU_CMD_CFG
+ */
+#define MCU_CMD_CFG			0x022c
+
+/*
+ * AC_BK register offsets
+ */
+#define TX_BASE_PTR0			0x0230
+#define TX_MAX_CNT0			0x0234
+#define TX_CTX_IDX0			0x0238
+#define TX_DTX_IDX0			0x023c
+
+/*
+ * AC_BE register offsets
+ */
+#define TX_BASE_PTR1			0x0240
+#define TX_MAX_CNT1			0x0244
+#define TX_CTX_IDX1			0x0248
+#define TX_DTX_IDX1			0x024c
+
+/*
+ * AC_VI register offsets
+ */
+#define TX_BASE_PTR2			0x0250
+#define TX_MAX_CNT2			0x0254
+#define TX_CTX_IDX2			0x0258
+#define TX_DTX_IDX2			0x025c
+
+/*
+ * AC_VO register offsets
+ */
+#define TX_BASE_PTR3			0x0260
+#define TX_MAX_CNT3			0x0264
+#define TX_CTX_IDX3			0x0268
+#define TX_DTX_IDX3			0x026c
+
+/*
+ * HCCA register offsets
+ */
+#define TX_BASE_PTR4			0x0270
+#define TX_MAX_CNT4			0x0274
+#define TX_CTX_IDX4			0x0278
+#define TX_DTX_IDX4			0x027c
+
+/*
+ * MGMT register offsets
+ */
+#define TX_BASE_PTR5			0x0280
+#define TX_MAX_CNT5			0x0284
+#define TX_CTX_IDX5			0x0288
+#define TX_DTX_IDX5			0x028c
+
+/*
+ * Queue register offset macros
+ */
+#define TX_QUEUE_REG_OFFSET		0x10
+#define TX_BASE_PTR(__x)		TX_BASE_PTR0 + ((__x) * TX_QUEUE_REG_OFFSET)
+#define TX_MAX_CNT(__x)			TX_MAX_CNT0 + ((__x) * TX_QUEUE_REG_OFFSET)
+#define TX_CTX_IDX(__x)			TX_CTX_IDX0 + ((__x) * TX_QUEUE_REG_OFFSET)
+#define TX_DTX_IDX(__x)			TX_DTX_IDX0 + ((__x) * TX_QUEUE_REG_OFFSET)
+
+/*
+ * RX register offsets
+ */
+#define RX_BASE_PTR			0x0290
+#define RX_MAX_CNT			0x0294
+#define RX_CRX_IDX			0x0298
+#define RX_DRX_IDX			0x029c
+
+/*
+ * PBF_SYS_CTRL
+ * HOST_RAM_WRITE: enable Host program ram write selection
+ */
+#define PBF_SYS_CTRL			0x0400
+#define PBF_SYS_CTRL_READY		FIELD32(0x00000080)
+#define PBF_SYS_CTRL_HOST_RAM_WRITE	FIELD32(0x00010000)
+
+/*
+ * HOST-MCU shared memory
+ */
+#define HOST_CMD_CSR			0x0404
+#define HOST_CMD_CSR_HOST_COMMAND	FIELD32(0x000000ff)
+
+/*
+ * PBF registers
+ * Most are for debug. Driver doesn't touch PBF register.
+ */
+#define PBF_CFG				0x0408
+#define PBF_MAX_PCNT			0x040c
+#define PBF_CTRL			0x0410
+#define PBF_INT_STA			0x0414
+#define PBF_INT_ENA			0x0418
+
+/*
+ * BCN_OFFSET0:
+ */
+#define BCN_OFFSET0			0x042c
+#define BCN_OFFSET0_BCN0		FIELD32(0x000000ff)
+#define BCN_OFFSET0_BCN1		FIELD32(0x0000ff00)
+#define BCN_OFFSET0_BCN2		FIELD32(0x00ff0000)
+#define BCN_OFFSET0_BCN3		FIELD32(0xff000000)
+
+/*
+ * BCN_OFFSET1:
+ */
+#define BCN_OFFSET1			0x0430
+#define BCN_OFFSET1_BCN4		FIELD32(0x000000ff)
+#define BCN_OFFSET1_BCN5		FIELD32(0x0000ff00)
+#define BCN_OFFSET1_BCN6		FIELD32(0x00ff0000)
+#define BCN_OFFSET1_BCN7		FIELD32(0xff000000)
+
+/*
+ * PBF registers
+ * Most are for debug. Driver doesn't touch PBF register.
+ */
+#define TXRXQ_PCNT			0x0438
+#define PBF_DBG				0x043c
+
+/*
+ * RF registers
+ */
+#define	RF_CSR_CFG			0x0500
+#define RF_CSR_CFG_DATA			FIELD32(0x000000ff)
+#define RF_CSR_CFG_REGNUM		FIELD32(0x00001f00)
+#define RF_CSR_CFG_WRITE		FIELD32(0x00010000)
+#define RF_CSR_CFG_BUSY			FIELD32(0x00020000)
+
+/*
+ * EFUSE_CSR: RT3090 EEPROM
+ */
+#define EFUSE_CTRL			0x0580
+#define EFUSE_CTRL_ADDRESS_IN		FIELD32(0x03fe0000)
+#define EFUSE_CTRL_MODE			FIELD32(0x000000c0)
+#define EFUSE_CTRL_KICK			FIELD32(0x40000000)
+
+/*
+ * EFUSE_DATA0
+ */
+#define EFUSE_DATA0			0x0590
+
+/*
+ * EFUSE_DATA1
+ */
+#define EFUSE_DATA1			0x0594
+
+/*
+ * EFUSE_DATA2
+ */
+#define EFUSE_DATA2			0x0598
+
+/*
+ * EFUSE_DATA3
+ */
+#define EFUSE_DATA3			0x059c
+
+/*
+ * MAC Control/Status Registers(CSR).
+ * Some values are set in TU, whereas 1 TU == 1024 us.
+ */
+
+/*
+ * MAC_CSR0: ASIC revision number.
+ * ASIC_REV: 0
+ * ASIC_VER: 2860
+ */
+#define MAC_CSR0			0x1000
+#define MAC_CSR0_ASIC_REV		FIELD32(0x0000ffff)
+#define MAC_CSR0_ASIC_VER		FIELD32(0xffff0000)
+
+/*
+ * MAC_SYS_CTRL:
+ */
+#define MAC_SYS_CTRL			0x1004
+#define MAC_SYS_CTRL_RESET_CSR		FIELD32(0x00000001)
+#define MAC_SYS_CTRL_RESET_BBP		FIELD32(0x00000002)
+#define MAC_SYS_CTRL_ENABLE_TX		FIELD32(0x00000004)
+#define MAC_SYS_CTRL_ENABLE_RX		FIELD32(0x00000008)
+#define MAC_SYS_CTRL_CONTINUOUS_TX	FIELD32(0x00000010)
+#define MAC_SYS_CTRL_LOOPBACK		FIELD32(0x00000020)
+#define MAC_SYS_CTRL_WLAN_HALT		FIELD32(0x00000040)
+#define MAC_SYS_CTRL_RX_TIMESTAMP	FIELD32(0x00000080)
+
+/*
+ * MAC_ADDR_DW0: STA MAC register 0
+ */
+#define MAC_ADDR_DW0			0x1008
+#define MAC_ADDR_DW0_BYTE0		FIELD32(0x000000ff)
+#define MAC_ADDR_DW0_BYTE1		FIELD32(0x0000ff00)
+#define MAC_ADDR_DW0_BYTE2		FIELD32(0x00ff0000)
+#define MAC_ADDR_DW0_BYTE3		FIELD32(0xff000000)
+
+/*
+ * MAC_ADDR_DW1: STA MAC register 1
+ * UNICAST_TO_ME_MASK:
+ * Used to mask off bits from byte 5 of the MAC address
+ * to determine the UNICAST_TO_ME bit for RX frames.
+ * The full mask is complemented by BSS_ID_MASK:
+ *    MASK = BSS_ID_MASK & UNICAST_TO_ME_MASK
+ */
+#define MAC_ADDR_DW1			0x100c
+#define MAC_ADDR_DW1_BYTE4		FIELD32(0x000000ff)
+#define MAC_ADDR_DW1_BYTE5		FIELD32(0x0000ff00)
+#define MAC_ADDR_DW1_UNICAST_TO_ME_MASK	FIELD32(0x00ff0000)
+
+/*
+ * MAC_BSSID_DW0: BSSID register 0
+ */
+#define MAC_BSSID_DW0			0x1010
+#define MAC_BSSID_DW0_BYTE0		FIELD32(0x000000ff)
+#define MAC_BSSID_DW0_BYTE1		FIELD32(0x0000ff00)
+#define MAC_BSSID_DW0_BYTE2		FIELD32(0x00ff0000)
+#define MAC_BSSID_DW0_BYTE3		FIELD32(0xff000000)
+
+/*
+ * MAC_BSSID_DW1: BSSID register 1
+ * BSS_ID_MASK:
+ *     0: 1-BSSID mode (BSS index = 0)
+ *     1: 2-BSSID mode (BSS index: Byte5, bit 0)
+ *     2: 4-BSSID mode (BSS index: byte5, bit 0 - 1)
+ *     3: 8-BSSID mode (BSS index: byte5, bit 0 - 2)
+ * This mask is used to mask off bits 0, 1 and 2 of byte 5 of the
+ * BSSID. This will make sure that those bits will be ignored
+ * when determining the MY_BSS of RX frames.
+ */
+#define MAC_BSSID_DW1			0x1014
+#define MAC_BSSID_DW1_BYTE4		FIELD32(0x000000ff)
+#define MAC_BSSID_DW1_BYTE5		FIELD32(0x0000ff00)
+#define MAC_BSSID_DW1_BSS_ID_MASK	FIELD32(0x00030000)
+#define MAC_BSSID_DW1_BSS_BCN_NUM	FIELD32(0x001c0000)
+
+/*
+ * MAX_LEN_CFG: Maximum frame length register.
+ * MAX_MPDU: rt2860b max 16k bytes
+ * MAX_PSDU: Maximum PSDU length
+ *	(power factor) 0:2^13, 1:2^14, 2:2^15, 3:2^16
+ */
+#define MAX_LEN_CFG			0x1018
+#define MAX_LEN_CFG_MAX_MPDU		FIELD32(0x00000fff)
+#define MAX_LEN_CFG_MAX_PSDU		FIELD32(0x00003000)
+#define MAX_LEN_CFG_MIN_PSDU		FIELD32(0x0000c000)
+#define MAX_LEN_CFG_MIN_MPDU		FIELD32(0x000f0000)
+
+/*
+ * BBP_CSR_CFG: BBP serial control register
+ * VALUE: Register value to program into BBP
+ * REG_NUM: Selected BBP register
+ * READ_CONTROL: 0 write BBP, 1 read BBP
+ * BUSY: ASIC is busy executing BBP commands
+ * BBP_PAR_DUR: 0 4 MAC clocks, 1 8 MAC clocks
+ * BBP_RW_MODE: 0 serial, 1 paralell
+ */
+#define BBP_CSR_CFG			0x101c
+#define BBP_CSR_CFG_VALUE		FIELD32(0x000000ff)
+#define BBP_CSR_CFG_REGNUM		FIELD32(0x0000ff00)
+#define BBP_CSR_CFG_READ_CONTROL	FIELD32(0x00010000)
+#define BBP_CSR_CFG_BUSY		FIELD32(0x00020000)
+#define BBP_CSR_CFG_BBP_PAR_DUR		FIELD32(0x00040000)
+#define BBP_CSR_CFG_BBP_RW_MODE		FIELD32(0x00080000)
+
+/*
+ * RF_CSR_CFG0: RF control register
+ * REGID_AND_VALUE: Register value to program into RF
+ * BITWIDTH: Selected RF register
+ * STANDBYMODE: 0 high when standby, 1 low when standby
+ * SEL: 0 RF_LE0 activate, 1 RF_LE1 activate
+ * BUSY: ASIC is busy executing RF commands
+ */
+#define RF_CSR_CFG0			0x1020
+#define RF_CSR_CFG0_REGID_AND_VALUE	FIELD32(0x00ffffff)
+#define RF_CSR_CFG0_BITWIDTH		FIELD32(0x1f000000)
+#define RF_CSR_CFG0_REG_VALUE_BW	FIELD32(0x1fffffff)
+#define RF_CSR_CFG0_STANDBYMODE		FIELD32(0x20000000)
+#define RF_CSR_CFG0_SEL			FIELD32(0x40000000)
+#define RF_CSR_CFG0_BUSY		FIELD32(0x80000000)
+
+/*
+ * RF_CSR_CFG1: RF control register
+ * REGID_AND_VALUE: Register value to program into RF
+ * RFGAP: Gap between BB_CONTROL_RF and RF_LE
+ *        0: 3 system clock cycle (37.5usec)
+ *        1: 5 system clock cycle (62.5usec)
+ */
+#define RF_CSR_CFG1			0x1024
+#define RF_CSR_CFG1_REGID_AND_VALUE	FIELD32(0x00ffffff)
+#define RF_CSR_CFG1_RFGAP		FIELD32(0x1f000000)
+
+/*
+ * RF_CSR_CFG2: RF control register
+ * VALUE: Register value to program into RF
+ * RFGAP: Gap between BB_CONTROL_RF and RF_LE
+ *        0: 3 system clock cycle (37.5usec)
+ *        1: 5 system clock cycle (62.5usec)
+ */
+#define RF_CSR_CFG2			0x1028
+#define RF_CSR_CFG2_VALUE		FIELD32(0x00ffffff)
+
+/*
+ * LED_CFG: LED control
+ * color LED's:
+ *   0: off
+ *   1: blinking upon TX2
+ *   2: periodic slow blinking
+ *   3: always on
+ * LED polarity:
+ *   0: active low
+ *   1: active high
+ */
+#define LED_CFG				0x102c
+#define LED_CFG_ON_PERIOD		FIELD32(0x000000ff)
+#define LED_CFG_OFF_PERIOD		FIELD32(0x0000ff00)
+#define LED_CFG_SLOW_BLINK_PERIOD	FIELD32(0x003f0000)
+#define LED_CFG_R_LED_MODE		FIELD32(0x03000000)
+#define LED_CFG_G_LED_MODE		FIELD32(0x0c000000)
+#define LED_CFG_Y_LED_MODE		FIELD32(0x30000000)
+#define LED_CFG_LED_POLAR		FIELD32(0x40000000)
+
+/*
+ * XIFS_TIME_CFG: MAC timing
+ * CCKM_SIFS_TIME: unit 1us. Applied after CCK RX/TX
+ * OFDM_SIFS_TIME: unit 1us. Applied after OFDM RX/TX
+ * OFDM_XIFS_TIME: unit 1us. Applied after OFDM RX
+ *	when MAC doesn't reference BBP signal BBRXEND
+ * EIFS: unit 1us
+ * BB_RXEND_ENABLE: reference RXEND signal to begin XIFS defer
+ *
+ */
+#define XIFS_TIME_CFG			0x1100
+#define XIFS_TIME_CFG_CCKM_SIFS_TIME	FIELD32(0x000000ff)
+#define XIFS_TIME_CFG_OFDM_SIFS_TIME	FIELD32(0x0000ff00)
+#define XIFS_TIME_CFG_OFDM_XIFS_TIME	FIELD32(0x000f0000)
+#define XIFS_TIME_CFG_EIFS		FIELD32(0x1ff00000)
+#define XIFS_TIME_CFG_BB_RXEND_ENABLE	FIELD32(0x20000000)
+
+/*
+ * BKOFF_SLOT_CFG:
+ */
+#define BKOFF_SLOT_CFG			0x1104
+#define BKOFF_SLOT_CFG_SLOT_TIME	FIELD32(0x000000ff)
+#define BKOFF_SLOT_CFG_CC_DELAY_TIME	FIELD32(0x0000ff00)
+
+/*
+ * NAV_TIME_CFG:
+ */
+#define NAV_TIME_CFG			0x1108
+#define NAV_TIME_CFG_SIFS		FIELD32(0x000000ff)
+#define NAV_TIME_CFG_SLOT_TIME		FIELD32(0x0000ff00)
+#define NAV_TIME_CFG_EIFS		FIELD32(0x01ff0000)
+#define NAV_TIME_ZERO_SIFS		FIELD32(0x02000000)
+
+/*
+ * CH_TIME_CFG: count as channel busy
+ */
+#define CH_TIME_CFG     	        0x110c
+
+/*
+ * PBF_LIFE_TIMER: TX/RX MPDU timestamp timer (free run) Unit: 1us
+ */
+#define PBF_LIFE_TIMER     	        0x1110
+
+/*
+ * BCN_TIME_CFG:
+ * BEACON_INTERVAL: in unit of 1/16 TU
+ * TSF_TICKING: Enable TSF auto counting
+ * TSF_SYNC: Enable TSF sync, 00: disable, 01: infra mode, 10: ad-hoc mode
+ * BEACON_GEN: Enable beacon generator
+ */
+#define BCN_TIME_CFG			0x1114
+#define BCN_TIME_CFG_BEACON_INTERVAL	FIELD32(0x0000ffff)
+#define BCN_TIME_CFG_TSF_TICKING	FIELD32(0x00010000)
+#define BCN_TIME_CFG_TSF_SYNC		FIELD32(0x00060000)
+#define BCN_TIME_CFG_TBTT_ENABLE	FIELD32(0x00080000)
+#define BCN_TIME_CFG_BEACON_GEN		FIELD32(0x00100000)
+#define BCN_TIME_CFG_TX_TIME_COMPENSATE	FIELD32(0xf0000000)
+
+/*
+ * TBTT_SYNC_CFG:
+ */
+#define TBTT_SYNC_CFG			0x1118
+
+/*
+ * TSF_TIMER_DW0: Local lsb TSF timer, read-only
+ */
+#define TSF_TIMER_DW0			0x111c
+#define TSF_TIMER_DW0_LOW_WORD		FIELD32(0xffffffff)
+
+/*
+ * TSF_TIMER_DW1: Local msb TSF timer, read-only
+ */
+#define TSF_TIMER_DW1			0x1120
+#define TSF_TIMER_DW1_HIGH_WORD		FIELD32(0xffffffff)
+
+/*
+ * TBTT_TIMER: TImer remains till next TBTT, read-only
+ */
+#define TBTT_TIMER			0x1124
+
+/*
+ * INT_TIMER_CFG:
+ */
+#define INT_TIMER_CFG			0x1128
+
+/*
+ * INT_TIMER_EN: GP-timer and pre-tbtt Int enable
+ */
+#define INT_TIMER_EN			0x112c
+
+/*
+ * CH_IDLE_STA: channel idle time
+ */
+#define CH_IDLE_STA			0x1130
+
+/*
+ * CH_BUSY_STA: channel busy time
+ */
+#define CH_BUSY_STA			0x1134
+
+/*
+ * MAC_STATUS_CFG:
+ * BBP_RF_BUSY: When set to 0, BBP and RF are stable.
+ *	if 1 or higher one of the 2 registers is busy.
+ */
+#define MAC_STATUS_CFG			0x1200
+#define MAC_STATUS_CFG_BBP_RF_BUSY	FIELD32(0x00000003)
+
+/*
+ * PWR_PIN_CFG:
+ */
+#define PWR_PIN_CFG			0x1204
+
+/*
+ * AUTOWAKEUP_CFG: Manual power control / status register
+ * TBCN_BEFORE_WAKE: ForceWake has high privilege than PutToSleep when both set
+ * AUTOWAKE: 0:sleep, 1:awake
+ */
+#define AUTOWAKEUP_CFG			0x1208
+#define AUTOWAKEUP_CFG_AUTO_LEAD_TIME	FIELD32(0x000000ff)
+#define AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE	FIELD32(0x00007f00)
+#define AUTOWAKEUP_CFG_AUTOWAKE		FIELD32(0x00008000)
+
+/*
+ * EDCA_AC0_CFG:
+ */
+#define EDCA_AC0_CFG			0x1300
+#define EDCA_AC0_CFG_TX_OP		FIELD32(0x000000ff)
+#define EDCA_AC0_CFG_AIFSN		FIELD32(0x00000f00)
+#define EDCA_AC0_CFG_CWMIN		FIELD32(0x0000f000)
+#define EDCA_AC0_CFG_CWMAX		FIELD32(0x000f0000)
+
+/*
+ * EDCA_AC1_CFG:
+ */
+#define EDCA_AC1_CFG			0x1304
+#define EDCA_AC1_CFG_TX_OP		FIELD32(0x000000ff)
+#define EDCA_AC1_CFG_AIFSN		FIELD32(0x00000f00)
+#define EDCA_AC1_CFG_CWMIN		FIELD32(0x0000f000)
+#define EDCA_AC1_CFG_CWMAX		FIELD32(0x000f0000)
+
+/*
+ * EDCA_AC2_CFG:
+ */
+#define EDCA_AC2_CFG			0x1308
+#define EDCA_AC2_CFG_TX_OP		FIELD32(0x000000ff)
+#define EDCA_AC2_CFG_AIFSN		FIELD32(0x00000f00)
+#define EDCA_AC2_CFG_CWMIN		FIELD32(0x0000f000)
+#define EDCA_AC2_CFG_CWMAX		FIELD32(0x000f0000)
+
+/*
+ * EDCA_AC3_CFG:
+ */
+#define EDCA_AC3_CFG			0x130c
+#define EDCA_AC3_CFG_TX_OP		FIELD32(0x000000ff)
+#define EDCA_AC3_CFG_AIFSN		FIELD32(0x00000f00)
+#define EDCA_AC3_CFG_CWMIN		FIELD32(0x0000f000)
+#define EDCA_AC3_CFG_CWMAX		FIELD32(0x000f0000)
+
+/*
+ * EDCA_TID_AC_MAP:
+ */
+#define EDCA_TID_AC_MAP			0x1310
+
+/*
+ * TX_PWR_CFG_0:
+ */
+#define TX_PWR_CFG_0			0x1314
+#define TX_PWR_CFG_0_1MBS		FIELD32(0x0000000f)
+#define TX_PWR_CFG_0_2MBS		FIELD32(0x000000f0)
+#define TX_PWR_CFG_0_55MBS		FIELD32(0x00000f00)
+#define TX_PWR_CFG_0_11MBS		FIELD32(0x0000f000)
+#define TX_PWR_CFG_0_6MBS		FIELD32(0x000f0000)
+#define TX_PWR_CFG_0_9MBS		FIELD32(0x00f00000)
+#define TX_PWR_CFG_0_12MBS		FIELD32(0x0f000000)
+#define TX_PWR_CFG_0_18MBS		FIELD32(0xf0000000)
+
+/*
+ * TX_PWR_CFG_1:
+ */
+#define TX_PWR_CFG_1			0x1318
+#define TX_PWR_CFG_1_24MBS		FIELD32(0x0000000f)
+#define TX_PWR_CFG_1_36MBS		FIELD32(0x000000f0)
+#define TX_PWR_CFG_1_48MBS		FIELD32(0x00000f00)
+#define TX_PWR_CFG_1_54MBS		FIELD32(0x0000f000)
+#define TX_PWR_CFG_1_MCS0		FIELD32(0x000f0000)
+#define TX_PWR_CFG_1_MCS1		FIELD32(0x00f00000)
+#define TX_PWR_CFG_1_MCS2		FIELD32(0x0f000000)
+#define TX_PWR_CFG_1_MCS3		FIELD32(0xf0000000)
+
+/*
+ * TX_PWR_CFG_2:
+ */
+#define TX_PWR_CFG_2			0x131c
+#define TX_PWR_CFG_2_MCS4		FIELD32(0x0000000f)
+#define TX_PWR_CFG_2_MCS5		FIELD32(0x000000f0)
+#define TX_PWR_CFG_2_MCS6		FIELD32(0x00000f00)
+#define TX_PWR_CFG_2_MCS7		FIELD32(0x0000f000)
+#define TX_PWR_CFG_2_MCS8		FIELD32(0x000f0000)
+#define TX_PWR_CFG_2_MCS9		FIELD32(0x00f00000)
+#define TX_PWR_CFG_2_MCS10		FIELD32(0x0f000000)
+#define TX_PWR_CFG_2_MCS11		FIELD32(0xf0000000)
+
+/*
+ * TX_PWR_CFG_3:
+ */
+#define TX_PWR_CFG_3			0x1320
+#define TX_PWR_CFG_3_MCS12		FIELD32(0x0000000f)
+#define TX_PWR_CFG_3_MCS13		FIELD32(0x000000f0)
+#define TX_PWR_CFG_3_MCS14		FIELD32(0x00000f00)
+#define TX_PWR_CFG_3_MCS15		FIELD32(0x0000f000)
+#define TX_PWR_CFG_3_UKNOWN1		FIELD32(0x000f0000)
+#define TX_PWR_CFG_3_UKNOWN2		FIELD32(0x00f00000)
+#define TX_PWR_CFG_3_UKNOWN3		FIELD32(0x0f000000)
+#define TX_PWR_CFG_3_UKNOWN4		FIELD32(0xf0000000)
+
+/*
+ * TX_PWR_CFG_4:
+ */
+#define TX_PWR_CFG_4			0x1324
+#define TX_PWR_CFG_4_UKNOWN5		FIELD32(0x0000000f)
+#define TX_PWR_CFG_4_UKNOWN6		FIELD32(0x000000f0)
+#define TX_PWR_CFG_4_UKNOWN7		FIELD32(0x00000f00)
+#define TX_PWR_CFG_4_UKNOWN8		FIELD32(0x0000f000)
+
+/*
+ * TX_PIN_CFG:
+ */
+#define TX_PIN_CFG			0x1328
+#define TX_PIN_CFG_PA_PE_A0_EN		FIELD32(0x00000001)
+#define TX_PIN_CFG_PA_PE_G0_EN		FIELD32(0x00000002)
+#define TX_PIN_CFG_PA_PE_A1_EN		FIELD32(0x00000004)
+#define TX_PIN_CFG_PA_PE_G1_EN		FIELD32(0x00000008)
+#define TX_PIN_CFG_PA_PE_A0_POL		FIELD32(0x00000010)
+#define TX_PIN_CFG_PA_PE_G0_POL		FIELD32(0x00000020)
+#define TX_PIN_CFG_PA_PE_A1_POL		FIELD32(0x00000040)
+#define TX_PIN_CFG_PA_PE_G1_POL		FIELD32(0x00000080)
+#define TX_PIN_CFG_LNA_PE_A0_EN		FIELD32(0x00000100)
+#define TX_PIN_CFG_LNA_PE_G0_EN		FIELD32(0x00000200)
+#define TX_PIN_CFG_LNA_PE_A1_EN		FIELD32(0x00000400)
+#define TX_PIN_CFG_LNA_PE_G1_EN		FIELD32(0x00000800)
+#define TX_PIN_CFG_LNA_PE_A0_POL	FIELD32(0x00001000)
+#define TX_PIN_CFG_LNA_PE_G0_POL	FIELD32(0x00002000)
+#define TX_PIN_CFG_LNA_PE_A1_POL	FIELD32(0x00004000)
+#define TX_PIN_CFG_LNA_PE_G1_POL	FIELD32(0x00008000)
+#define TX_PIN_CFG_RFTR_EN		FIELD32(0x00010000)
+#define TX_PIN_CFG_RFTR_POL		FIELD32(0x00020000)
+#define TX_PIN_CFG_TRSW_EN		FIELD32(0x00040000)
+#define TX_PIN_CFG_TRSW_POL		FIELD32(0x00080000)
+
+/*
+ * TX_BAND_CFG: 0x1 use upper 20MHz, 0x0 use lower 20MHz
+ */
+#define TX_BAND_CFG			0x132c
+#define TX_BAND_CFG_HT40_PLUS		FIELD32(0x00000001)
+#define TX_BAND_CFG_A			FIELD32(0x00000002)
+#define TX_BAND_CFG_BG			FIELD32(0x00000004)
+
+/*
+ * TX_SW_CFG0:
+ */
+#define TX_SW_CFG0			0x1330
+
+/*
+ * TX_SW_CFG1:
+ */
+#define TX_SW_CFG1			0x1334
+
+/*
+ * TX_SW_CFG2:
+ */
+#define TX_SW_CFG2			0x1338
+
+/*
+ * TXOP_THRES_CFG:
+ */
+#define TXOP_THRES_CFG			0x133c
+
+/*
+ * TXOP_CTRL_CFG:
+ */
+#define TXOP_CTRL_CFG			0x1340
+
+/*
+ * TX_RTS_CFG:
+ * RTS_THRES: unit:byte
+ * RTS_FBK_EN: enable rts rate fallback
+ */
+#define TX_RTS_CFG			0x1344
+#define TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT	FIELD32(0x000000ff)
+#define TX_RTS_CFG_RTS_THRES		FIELD32(0x00ffff00)
+#define TX_RTS_CFG_RTS_FBK_EN		FIELD32(0x01000000)
+
+/*
+ * TX_TIMEOUT_CFG:
+ * MPDU_LIFETIME: expiration time = 2^(9+MPDU LIFE TIME) us
+ * RX_ACK_TIMEOUT: unit:slot. Used for TX procedure
+ * TX_OP_TIMEOUT: TXOP timeout value for TXOP truncation.
+ *                it is recommended that:
+ *                (SLOT_TIME) > (TX_OP_TIMEOUT) > (RX_ACK_TIMEOUT)
+ */
+#define TX_TIMEOUT_CFG			0x1348
+#define TX_TIMEOUT_CFG_MPDU_LIFETIME	FIELD32(0x000000f0)
+#define TX_TIMEOUT_CFG_RX_ACK_TIMEOUT	FIELD32(0x0000ff00)
+#define TX_TIMEOUT_CFG_TX_OP_TIMEOUT	FIELD32(0x00ff0000)
+
+/*
+ * TX_RTY_CFG:
+ * SHORT_RTY_LIMIT: short retry limit
+ * LONG_RTY_LIMIT: long retry limit
+ * LONG_RTY_THRE: Long retry threshoold
+ * NON_AGG_RTY_MODE: Non-Aggregate MPDU retry mode
+ *                   0:expired by retry limit, 1: expired by mpdu life timer
+ * AGG_RTY_MODE: Aggregate MPDU retry mode
+ *               0:expired by retry limit, 1: expired by mpdu life timer
+ * TX_AUTO_FB_ENABLE: Tx retry PHY rate auto fallback enable
+ */
+#define TX_RTY_CFG			0x134c
+#define TX_RTY_CFG_SHORT_RTY_LIMIT	FIELD32(0x000000ff)
+#define TX_RTY_CFG_LONG_RTY_LIMIT	FIELD32(0x0000ff00)
+#define TX_RTY_CFG_LONG_RTY_THRE	FIELD32(0x0fff0000)
+#define TX_RTY_CFG_NON_AGG_RTY_MODE	FIELD32(0x10000000)
+#define TX_RTY_CFG_AGG_RTY_MODE		FIELD32(0x20000000)
+#define TX_RTY_CFG_TX_AUTO_FB_ENABLE	FIELD32(0x40000000)
+
+/*
+ * TX_LINK_CFG:
+ * REMOTE_MFB_LIFETIME: remote MFB life time. unit: 32us
+ * MFB_ENABLE: TX apply remote MFB 1:enable
+ * REMOTE_UMFS_ENABLE: remote unsolicit  MFB enable
+ *                     0: not apply remote remote unsolicit (MFS=7)
+ * TX_MRQ_EN: MCS request TX enable
+ * TX_RDG_EN: RDG TX enable
+ * TX_CF_ACK_EN: Piggyback CF-ACK enable
+ * REMOTE_MFB: remote MCS feedback
+ * REMOTE_MFS: remote MCS feedback sequence number
+ */
+#define TX_LINK_CFG			0x1350
+#define TX_LINK_CFG_REMOTE_MFB_LIFETIME	FIELD32(0x000000ff)
+#define TX_LINK_CFG_MFB_ENABLE		FIELD32(0x00000100)
+#define TX_LINK_CFG_REMOTE_UMFS_ENABLE	FIELD32(0x00000200)
+#define TX_LINK_CFG_TX_MRQ_EN		FIELD32(0x00000400)
+#define TX_LINK_CFG_TX_RDG_EN		FIELD32(0x00000800)
+#define TX_LINK_CFG_TX_CF_ACK_EN	FIELD32(0x00001000)
+#define TX_LINK_CFG_REMOTE_MFB		FIELD32(0x00ff0000)
+#define TX_LINK_CFG_REMOTE_MFS		FIELD32(0xff000000)
+
+/*
+ * HT_FBK_CFG0:
+ */
+#define HT_FBK_CFG0			0x1354
+#define HT_FBK_CFG0_HTMCS0FBK		FIELD32(0x0000000f)
+#define HT_FBK_CFG0_HTMCS1FBK		FIELD32(0x000000f0)
+#define HT_FBK_CFG0_HTMCS2FBK		FIELD32(0x00000f00)
+#define HT_FBK_CFG0_HTMCS3FBK		FIELD32(0x0000f000)
+#define HT_FBK_CFG0_HTMCS4FBK		FIELD32(0x000f0000)
+#define HT_FBK_CFG0_HTMCS5FBK		FIELD32(0x00f00000)
+#define HT_FBK_CFG0_HTMCS6FBK		FIELD32(0x0f000000)
+#define HT_FBK_CFG0_HTMCS7FBK		FIELD32(0xf0000000)
+
+/*
+ * HT_FBK_CFG1:
+ */
+#define HT_FBK_CFG1			0x1358
+#define HT_FBK_CFG1_HTMCS8FBK		FIELD32(0x0000000f)
+#define HT_FBK_CFG1_HTMCS9FBK		FIELD32(0x000000f0)
+#define HT_FBK_CFG1_HTMCS10FBK		FIELD32(0x00000f00)
+#define HT_FBK_CFG1_HTMCS11FBK		FIELD32(0x0000f000)
+#define HT_FBK_CFG1_HTMCS12FBK		FIELD32(0x000f0000)
+#define HT_FBK_CFG1_HTMCS13FBK		FIELD32(0x00f00000)
+#define HT_FBK_CFG1_HTMCS14FBK		FIELD32(0x0f000000)
+#define HT_FBK_CFG1_HTMCS15FBK		FIELD32(0xf0000000)
+
+/*
+ * LG_FBK_CFG0:
+ */
+#define LG_FBK_CFG0			0x135c
+#define LG_FBK_CFG0_OFDMMCS0FBK		FIELD32(0x0000000f)
+#define LG_FBK_CFG0_OFDMMCS1FBK		FIELD32(0x000000f0)
+#define LG_FBK_CFG0_OFDMMCS2FBK		FIELD32(0x00000f00)
+#define LG_FBK_CFG0_OFDMMCS3FBK		FIELD32(0x0000f000)
+#define LG_FBK_CFG0_OFDMMCS4FBK		FIELD32(0x000f0000)
+#define LG_FBK_CFG0_OFDMMCS5FBK		FIELD32(0x00f00000)
+#define LG_FBK_CFG0_OFDMMCS6FBK		FIELD32(0x0f000000)
+#define LG_FBK_CFG0_OFDMMCS7FBK		FIELD32(0xf0000000)
+
+/*
+ * LG_FBK_CFG1:
+ */
+#define LG_FBK_CFG1			0x1360
+#define LG_FBK_CFG0_CCKMCS0FBK		FIELD32(0x0000000f)
+#define LG_FBK_CFG0_CCKMCS1FBK		FIELD32(0x000000f0)
+#define LG_FBK_CFG0_CCKMCS2FBK		FIELD32(0x00000f00)
+#define LG_FBK_CFG0_CCKMCS3FBK		FIELD32(0x0000f000)
+
+/*
+ * CCK_PROT_CFG: CCK Protection
+ * PROTECT_RATE: Protection control frame rate for CCK TX(RTS/CTS/CFEnd)
+ * PROTECT_CTRL: Protection control frame type for CCK TX
+ *               0:none, 1:RTS/CTS, 2:CTS-to-self
+ * PROTECT_NAV: TXOP protection type for CCK TX
+ *              0:none, 1:ShortNAVprotect, 2:LongNAVProtect
+ * TX_OP_ALLOW_CCK: CCK TXOP allowance, 0:disallow
+ * TX_OP_ALLOW_OFDM: CCK TXOP allowance, 0:disallow
+ * TX_OP_ALLOW_MM20: CCK TXOP allowance, 0:disallow
+ * TX_OP_ALLOW_MM40: CCK TXOP allowance, 0:disallow
+ * TX_OP_ALLOW_GF20: CCK TXOP allowance, 0:disallow
+ * TX_OP_ALLOW_GF40: CCK TXOP allowance, 0:disallow
+ * RTS_TH_EN: RTS threshold enable on CCK TX
+ */
+#define CCK_PROT_CFG			0x1364
+#define CCK_PROT_CFG_PROTECT_RATE	FIELD32(0x0000ffff)
+#define CCK_PROT_CFG_PROTECT_CTRL	FIELD32(0x00030000)
+#define CCK_PROT_CFG_PROTECT_NAV	FIELD32(0x000c0000)
+#define CCK_PROT_CFG_TX_OP_ALLOW_CCK	FIELD32(0x00100000)
+#define CCK_PROT_CFG_TX_OP_ALLOW_OFDM	FIELD32(0x00200000)
+#define CCK_PROT_CFG_TX_OP_ALLOW_MM20	FIELD32(0x00400000)
+#define CCK_PROT_CFG_TX_OP_ALLOW_MM40	FIELD32(0x00800000)
+#define CCK_PROT_CFG_TX_OP_ALLOW_GF20	FIELD32(0x01000000)
+#define CCK_PROT_CFG_TX_OP_ALLOW_GF40	FIELD32(0x02000000)
+#define CCK_PROT_CFG_RTS_TH_EN		FIELD32(0x04000000)
+
+/*
+ * OFDM_PROT_CFG: OFDM Protection
+ */
+#define OFDM_PROT_CFG			0x1368
+#define OFDM_PROT_CFG_PROTECT_RATE	FIELD32(0x0000ffff)
+#define OFDM_PROT_CFG_PROTECT_CTRL	FIELD32(0x00030000)
+#define OFDM_PROT_CFG_PROTECT_NAV	FIELD32(0x000c0000)
+#define OFDM_PROT_CFG_TX_OP_ALLOW_CCK	FIELD32(0x00100000)
+#define OFDM_PROT_CFG_TX_OP_ALLOW_OFDM	FIELD32(0x00200000)
+#define OFDM_PROT_CFG_TX_OP_ALLOW_MM20	FIELD32(0x00400000)
+#define OFDM_PROT_CFG_TX_OP_ALLOW_MM40	FIELD32(0x00800000)
+#define OFDM_PROT_CFG_TX_OP_ALLOW_GF20	FIELD32(0x01000000)
+#define OFDM_PROT_CFG_TX_OP_ALLOW_GF40	FIELD32(0x02000000)
+#define OFDM_PROT_CFG_RTS_TH_EN		FIELD32(0x04000000)
+
+/*
+ * MM20_PROT_CFG: MM20 Protection
+ */
+#define MM20_PROT_CFG			0x136c
+#define MM20_PROT_CFG_PROTECT_RATE	FIELD32(0x0000ffff)
+#define MM20_PROT_CFG_PROTECT_CTRL	FIELD32(0x00030000)
+#define MM20_PROT_CFG_PROTECT_NAV	FIELD32(0x000c0000)
+#define MM20_PROT_CFG_TX_OP_ALLOW_CCK	FIELD32(0x00100000)
+#define MM20_PROT_CFG_TX_OP_ALLOW_OFDM	FIELD32(0x00200000)
+#define MM20_PROT_CFG_TX_OP_ALLOW_MM20	FIELD32(0x00400000)
+#define MM20_PROT_CFG_TX_OP_ALLOW_MM40	FIELD32(0x00800000)
+#define MM20_PROT_CFG_TX_OP_ALLOW_GF20	FIELD32(0x01000000)
+#define MM20_PROT_CFG_TX_OP_ALLOW_GF40	FIELD32(0x02000000)
+#define MM20_PROT_CFG_RTS_TH_EN		FIELD32(0x04000000)
+
+/*
+ * MM40_PROT_CFG: MM40 Protection
+ */
+#define MM40_PROT_CFG			0x1370
+#define MM40_PROT_CFG_PROTECT_RATE	FIELD32(0x0000ffff)
+#define MM40_PROT_CFG_PROTECT_CTRL	FIELD32(0x00030000)
+#define MM40_PROT_CFG_PROTECT_NAV	FIELD32(0x000c0000)
+#define MM40_PROT_CFG_TX_OP_ALLOW_CCK	FIELD32(0x00100000)
+#define MM40_PROT_CFG_TX_OP_ALLOW_OFDM	FIELD32(0x00200000)
+#define MM40_PROT_CFG_TX_OP_ALLOW_MM20	FIELD32(0x00400000)
+#define MM40_PROT_CFG_TX_OP_ALLOW_MM40	FIELD32(0x00800000)
+#define MM40_PROT_CFG_TX_OP_ALLOW_GF20	FIELD32(0x01000000)
+#define MM40_PROT_CFG_TX_OP_ALLOW_GF40	FIELD32(0x02000000)
+#define MM40_PROT_CFG_RTS_TH_EN		FIELD32(0x04000000)
+
+/*
+ * GF20_PROT_CFG: GF20 Protection
+ */
+#define GF20_PROT_CFG			0x1374
+#define GF20_PROT_CFG_PROTECT_RATE	FIELD32(0x0000ffff)
+#define GF20_PROT_CFG_PROTECT_CTRL	FIELD32(0x00030000)
+#define GF20_PROT_CFG_PROTECT_NAV	FIELD32(0x000c0000)
+#define GF20_PROT_CFG_TX_OP_ALLOW_CCK	FIELD32(0x00100000)
+#define GF20_PROT_CFG_TX_OP_ALLOW_OFDM	FIELD32(0x00200000)
+#define GF20_PROT_CFG_TX_OP_ALLOW_MM20	FIELD32(0x00400000)
+#define GF20_PROT_CFG_TX_OP_ALLOW_MM40	FIELD32(0x00800000)
+#define GF20_PROT_CFG_TX_OP_ALLOW_GF20	FIELD32(0x01000000)
+#define GF20_PROT_CFG_TX_OP_ALLOW_GF40	FIELD32(0x02000000)
+#define GF20_PROT_CFG_RTS_TH_EN		FIELD32(0x04000000)
+
+/*
+ * GF40_PROT_CFG: GF40 Protection
+ */
+#define GF40_PROT_CFG			0x1378
+#define GF40_PROT_CFG_PROTECT_RATE	FIELD32(0x0000ffff)
+#define GF40_PROT_CFG_PROTECT_CTRL	FIELD32(0x00030000)
+#define GF40_PROT_CFG_PROTECT_NAV	FIELD32(0x000c0000)
+#define GF40_PROT_CFG_TX_OP_ALLOW_CCK	FIELD32(0x00100000)
+#define GF40_PROT_CFG_TX_OP_ALLOW_OFDM	FIELD32(0x00200000)
+#define GF40_PROT_CFG_TX_OP_ALLOW_MM20	FIELD32(0x00400000)
+#define GF40_PROT_CFG_TX_OP_ALLOW_MM40	FIELD32(0x00800000)
+#define GF40_PROT_CFG_TX_OP_ALLOW_GF20	FIELD32(0x01000000)
+#define GF40_PROT_CFG_TX_OP_ALLOW_GF40	FIELD32(0x02000000)
+#define GF40_PROT_CFG_RTS_TH_EN		FIELD32(0x04000000)
+
+/*
+ * EXP_CTS_TIME:
+ */
+#define EXP_CTS_TIME			0x137c
+
+/*
+ * EXP_ACK_TIME:
+ */
+#define EXP_ACK_TIME			0x1380
+
+/*
+ * RX_FILTER_CFG: RX configuration register.
+ */
+#define RX_FILTER_CFG			0x1400
+#define RX_FILTER_CFG_DROP_CRC_ERROR	FIELD32(0x00000001)
+#define RX_FILTER_CFG_DROP_PHY_ERROR	FIELD32(0x00000002)
+#define RX_FILTER_CFG_DROP_NOT_TO_ME	FIELD32(0x00000004)
+#define RX_FILTER_CFG_DROP_NOT_MY_BSSD	FIELD32(0x00000008)
+#define RX_FILTER_CFG_DROP_VER_ERROR	FIELD32(0x00000010)
+#define RX_FILTER_CFG_DROP_MULTICAST	FIELD32(0x00000020)
+#define RX_FILTER_CFG_DROP_BROADCAST	FIELD32(0x00000040)
+#define RX_FILTER_CFG_DROP_DUPLICATE	FIELD32(0x00000080)
+#define RX_FILTER_CFG_DROP_CF_END_ACK	FIELD32(0x00000100)
+#define RX_FILTER_CFG_DROP_CF_END	FIELD32(0x00000200)
+#define RX_FILTER_CFG_DROP_ACK		FIELD32(0x00000400)
+#define RX_FILTER_CFG_DROP_CTS		FIELD32(0x00000800)
+#define RX_FILTER_CFG_DROP_RTS		FIELD32(0x00001000)
+#define RX_FILTER_CFG_DROP_PSPOLL	FIELD32(0x00002000)
+#define RX_FILTER_CFG_DROP_BA		FIELD32(0x00004000)
+#define RX_FILTER_CFG_DROP_BAR		FIELD32(0x00008000)
+#define RX_FILTER_CFG_DROP_CNTL		FIELD32(0x00010000)
+
+/*
+ * AUTO_RSP_CFG:
+ * AUTORESPONDER: 0: disable, 1: enable
+ * BAC_ACK_POLICY: 0:long, 1:short preamble
+ * CTS_40_MMODE: Response CTS 40MHz duplicate mode
+ * CTS_40_MREF: Response CTS 40MHz duplicate mode
+ * AR_PREAMBLE: Auto responder preamble 0:long, 1:short preamble
+ * DUAL_CTS_EN: Power bit value in control frame
+ * ACK_CTS_PSM_BIT:Power bit value in control frame
+ */
+#define AUTO_RSP_CFG			0x1404
+#define AUTO_RSP_CFG_AUTORESPONDER	FIELD32(0x00000001)
+#define AUTO_RSP_CFG_BAC_ACK_POLICY	FIELD32(0x00000002)
+#define AUTO_RSP_CFG_CTS_40_MMODE	FIELD32(0x00000004)
+#define AUTO_RSP_CFG_CTS_40_MREF	FIELD32(0x00000008)
+#define AUTO_RSP_CFG_AR_PREAMBLE	FIELD32(0x00000010)
+#define AUTO_RSP_CFG_DUAL_CTS_EN	FIELD32(0x00000040)
+#define AUTO_RSP_CFG_ACK_CTS_PSM_BIT	FIELD32(0x00000080)
+
+/*
+ * LEGACY_BASIC_RATE:
+ */
+#define LEGACY_BASIC_RATE		0x1408
+
+/*
+ * HT_BASIC_RATE:
+ */
+#define HT_BASIC_RATE			0x140c
+
+/*
+ * HT_CTRL_CFG:
+ */
+#define HT_CTRL_CFG			0x1410
+
+/*
+ * SIFS_COST_CFG:
+ */
+#define SIFS_COST_CFG			0x1414
+
+/*
+ * RX_PARSER_CFG:
+ * Set NAV for all received frames
+ */
+#define RX_PARSER_CFG			0x1418
+
+/*
+ * TX_SEC_CNT0:
+ */
+#define TX_SEC_CNT0			0x1500
+
+/*
+ * RX_SEC_CNT0:
+ */
+#define RX_SEC_CNT0			0x1504
+
+/*
+ * CCMP_FC_MUTE:
+ */
+#define CCMP_FC_MUTE			0x1508
+
+/*
+ * TXOP_HLDR_ADDR0:
+ */
+#define TXOP_HLDR_ADDR0			0x1600
+
+/*
+ * TXOP_HLDR_ADDR1:
+ */
+#define TXOP_HLDR_ADDR1			0x1604
+
+/*
+ * TXOP_HLDR_ET:
+ */
+#define TXOP_HLDR_ET			0x1608
+
+/*
+ * QOS_CFPOLL_RA_DW0:
+ */
+#define QOS_CFPOLL_RA_DW0		0x160c
+
+/*
+ * QOS_CFPOLL_RA_DW1:
+ */
+#define QOS_CFPOLL_RA_DW1		0x1610
+
+/*
+ * QOS_CFPOLL_QC:
+ */
+#define QOS_CFPOLL_QC			0x1614
+
+/*
+ * RX_STA_CNT0: RX PLCP error count & RX CRC error count
+ */
+#define RX_STA_CNT0			0x1700
+#define RX_STA_CNT0_CRC_ERR		FIELD32(0x0000ffff)
+#define RX_STA_CNT0_PHY_ERR		FIELD32(0xffff0000)
+
+/*
+ * RX_STA_CNT1: RX False CCA count & RX LONG frame count
+ */
+#define RX_STA_CNT1			0x1704
+#define RX_STA_CNT1_FALSE_CCA		FIELD32(0x0000ffff)
+#define RX_STA_CNT1_PLCP_ERR		FIELD32(0xffff0000)
+
+/*
+ * RX_STA_CNT2:
+ */
+#define RX_STA_CNT2			0x1708
+#define RX_STA_CNT2_RX_DUPLI_COUNT	FIELD32(0x0000ffff)
+#define RX_STA_CNT2_RX_FIFO_OVERFLOW	FIELD32(0xffff0000)
+
+/*
+ * TX_STA_CNT0: TX Beacon count
+ */
+#define TX_STA_CNT0			0x170c
+#define TX_STA_CNT0_TX_FAIL_COUNT	FIELD32(0x0000ffff)
+#define TX_STA_CNT0_TX_BEACON_COUNT	FIELD32(0xffff0000)
+
+/*
+ * TX_STA_CNT1: TX tx count
+ */
+#define TX_STA_CNT1			0x1710
+#define TX_STA_CNT1_TX_SUCCESS		FIELD32(0x0000ffff)
+#define TX_STA_CNT1_TX_RETRANSMIT	FIELD32(0xffff0000)
+
+/*
+ * TX_STA_CNT2: TX tx count
+ */
+#define TX_STA_CNT2			0x1714
+#define TX_STA_CNT2_TX_ZERO_LEN_COUNT	FIELD32(0x0000ffff)
+#define TX_STA_CNT2_TX_UNDER_FLOW_COUNT	FIELD32(0xffff0000)
+
+/*
+ * TX_STA_FIFO: TX Result for specific PID status fifo register
+ */
+#define TX_STA_FIFO			0x1718
+#define TX_STA_FIFO_VALID		FIELD32(0x00000001)
+#define TX_STA_FIFO_PID_TYPE		FIELD32(0x0000001e)
+#define TX_STA_FIFO_TX_SUCCESS		FIELD32(0x00000020)
+#define TX_STA_FIFO_TX_AGGRE		FIELD32(0x00000040)
+#define TX_STA_FIFO_TX_ACK_REQUIRED	FIELD32(0x00000080)
+#define TX_STA_FIFO_WCID		FIELD32(0x0000ff00)
+#define TX_STA_FIFO_MCS			FIELD32(0x007f0000)
+#define TX_STA_FIFO_PHYMODE		FIELD32(0xc0000000)
+
+/*
+ * TX_AGG_CNT: Debug counter
+ */
+#define TX_AGG_CNT			0x171c
+#define TX_AGG_CNT_NON_AGG_TX_COUNT	FIELD32(0x0000ffff)
+#define TX_AGG_CNT_AGG_TX_COUNT		FIELD32(0xffff0000)
+
+/*
+ * TX_AGG_CNT0:
+ */
+#define TX_AGG_CNT0			0x1720
+#define TX_AGG_CNT0_AGG_SIZE_1_COUNT	FIELD32(0x0000ffff)
+#define TX_AGG_CNT0_AGG_SIZE_2_COUNT	FIELD32(0xffff0000)
+
+/*
+ * TX_AGG_CNT1:
+ */
+#define TX_AGG_CNT1			0x1724
+#define TX_AGG_CNT1_AGG_SIZE_3_COUNT	FIELD32(0x0000ffff)
+#define TX_AGG_CNT1_AGG_SIZE_4_COUNT	FIELD32(0xffff0000)
+
+/*
+ * TX_AGG_CNT2:
+ */
+#define TX_AGG_CNT2			0x1728
+#define TX_AGG_CNT2_AGG_SIZE_5_COUNT	FIELD32(0x0000ffff)
+#define TX_AGG_CNT2_AGG_SIZE_6_COUNT	FIELD32(0xffff0000)
+
+/*
+ * TX_AGG_CNT3:
+ */
+#define TX_AGG_CNT3			0x172c
+#define TX_AGG_CNT3_AGG_SIZE_7_COUNT	FIELD32(0x0000ffff)
+#define TX_AGG_CNT3_AGG_SIZE_8_COUNT	FIELD32(0xffff0000)
+
+/*
+ * TX_AGG_CNT4:
+ */
+#define TX_AGG_CNT4			0x1730
+#define TX_AGG_CNT4_AGG_SIZE_9_COUNT	FIELD32(0x0000ffff)
+#define TX_AGG_CNT4_AGG_SIZE_10_COUNT	FIELD32(0xffff0000)
+
+/*
+ * TX_AGG_CNT5:
+ */
+#define TX_AGG_CNT5			0x1734
+#define TX_AGG_CNT5_AGG_SIZE_11_COUNT	FIELD32(0x0000ffff)
+#define TX_AGG_CNT5_AGG_SIZE_12_COUNT	FIELD32(0xffff0000)
+
+/*
+ * TX_AGG_CNT6:
+ */
+#define TX_AGG_CNT6			0x1738
+#define TX_AGG_CNT6_AGG_SIZE_13_COUNT	FIELD32(0x0000ffff)
+#define TX_AGG_CNT6_AGG_SIZE_14_COUNT	FIELD32(0xffff0000)
+
+/*
+ * TX_AGG_CNT7:
+ */
+#define TX_AGG_CNT7			0x173c
+#define TX_AGG_CNT7_AGG_SIZE_15_COUNT	FIELD32(0x0000ffff)
+#define TX_AGG_CNT7_AGG_SIZE_16_COUNT	FIELD32(0xffff0000)
+
+/*
+ * MPDU_DENSITY_CNT:
+ * TX_ZERO_DEL: TX zero length delimiter count
+ * RX_ZERO_DEL: RX zero length delimiter count
+ */
+#define MPDU_DENSITY_CNT		0x1740
+#define MPDU_DENSITY_CNT_TX_ZERO_DEL	FIELD32(0x0000ffff)
+#define MPDU_DENSITY_CNT_RX_ZERO_DEL	FIELD32(0xffff0000)
+
+/*
+ * Security key table memory.
+ * MAC_WCID_BASE: 8-bytes (use only 6 bytes) * 256 entry
+ * PAIRWISE_KEY_TABLE_BASE: 32-byte * 256 entry
+ * MAC_IVEIV_TABLE_BASE: 8-byte * 256-entry
+ * MAC_WCID_ATTRIBUTE_BASE: 4-byte * 256-entry
+ * SHARED_KEY_TABLE_BASE: 32 bytes * 32-entry
+ * SHARED_KEY_MODE_BASE: 4 bits * 32-entry
+ */
+#define MAC_WCID_BASE			0x1800
+#define PAIRWISE_KEY_TABLE_BASE		0x4000
+#define MAC_IVEIV_TABLE_BASE		0x6000
+#define MAC_WCID_ATTRIBUTE_BASE		0x6800
+#define SHARED_KEY_TABLE_BASE		0x6c00
+#define SHARED_KEY_MODE_BASE		0x7000
+
+#define MAC_WCID_ENTRY(__idx) \
+	( MAC_WCID_BASE + ((__idx) * sizeof(struct mac_wcid_entry)) )
+#define PAIRWISE_KEY_ENTRY(__idx) \
+	( PAIRWISE_KEY_TABLE_BASE + ((__idx) * sizeof(struct hw_key_entry)) )
+#define MAC_IVEIV_ENTRY(__idx) \
+	( MAC_IVEIV_TABLE_BASE + ((__idx) & sizeof(struct mac_iveiv_entry)) )
+#define MAC_WCID_ATTR_ENTRY(__idx) \
+	( MAC_WCID_ATTRIBUTE_BASE + ((__idx) * sizeof(u32)) )
+#define SHARED_KEY_ENTRY(__idx) \
+	( SHARED_KEY_TABLE_BASE + ((__idx) * sizeof(struct hw_key_entry)) )
+#define SHARED_KEY_MODE_ENTRY(__idx) \
+	( SHARED_KEY_MODE_BASE + ((__idx) * sizeof(u32)) )
+
+struct mac_wcid_entry {
+	u8 mac[6];
+	u8 reserved[2];
+} __attribute__ ((packed));
+
+struct hw_key_entry {
+	u8 key[16];
+	u8 tx_mic[8];
+	u8 rx_mic[8];
+} __attribute__ ((packed));
+
+struct mac_iveiv_entry {
+	u8 iv[8];
+} __attribute__ ((packed));
+
+/*
+ * MAC_WCID_ATTRIBUTE:
+ */
+#define MAC_WCID_ATTRIBUTE_KEYTAB	FIELD32(0x00000001)
+#define MAC_WCID_ATTRIBUTE_CIPHER	FIELD32(0x0000000e)
+#define MAC_WCID_ATTRIBUTE_BSS_IDX	FIELD32(0x00000070)
+#define MAC_WCID_ATTRIBUTE_RX_WIUDF	FIELD32(0x00000380)
+
+/*
+ * SHARED_KEY_MODE:
+ */
+#define SHARED_KEY_MODE_BSS0_KEY0	FIELD32(0x00000007)
+#define SHARED_KEY_MODE_BSS0_KEY1	FIELD32(0x00000070)
+#define SHARED_KEY_MODE_BSS0_KEY2	FIELD32(0x00000700)
+#define SHARED_KEY_MODE_BSS0_KEY3	FIELD32(0x00007000)
+#define SHARED_KEY_MODE_BSS1_KEY0	FIELD32(0x00070000)
+#define SHARED_KEY_MODE_BSS1_KEY1	FIELD32(0x00700000)
+#define SHARED_KEY_MODE_BSS1_KEY2	FIELD32(0x07000000)
+#define SHARED_KEY_MODE_BSS1_KEY3	FIELD32(0x70000000)
+
+/*
+ * HOST-MCU communication
+ */
+
+/*
+ * H2M_MAILBOX_CSR: Host-to-MCU Mailbox.
+ */
+#define H2M_MAILBOX_CSR			0x7010
+#define H2M_MAILBOX_CSR_ARG0		FIELD32(0x000000ff)
+#define H2M_MAILBOX_CSR_ARG1		FIELD32(0x0000ff00)
+#define H2M_MAILBOX_CSR_CMD_TOKEN	FIELD32(0x00ff0000)
+#define H2M_MAILBOX_CSR_OWNER		FIELD32(0xff000000)
+
+/*
+ * H2M_MAILBOX_CID:
+ */
+#define H2M_MAILBOX_CID			0x7014
+#define H2M_MAILBOX_CID_CMD0		FIELD32(0x000000ff)
+#define H2M_MAILBOX_CID_CMD1		FIELD32(0x0000ff00)
+#define H2M_MAILBOX_CID_CMD2		FIELD32(0x00ff0000)
+#define H2M_MAILBOX_CID_CMD3		FIELD32(0xff000000)
+
+/*
+ * H2M_MAILBOX_STATUS:
+ */
+#define H2M_MAILBOX_STATUS		0x701c
+
+/*
+ * H2M_INT_SRC:
+ */
+#define H2M_INT_SRC			0x7024
+
+/*
+ * H2M_BBP_AGENT:
+ */
+#define H2M_BBP_AGENT			0x7028
+
+/*
+ * MCU_LEDCS: LED control for MCU Mailbox.
+ */
+#define MCU_LEDCS_LED_MODE		FIELD8(0x1f)
+#define MCU_LEDCS_POLARITY		FIELD8(0x01)
+
+/*
+ * HW_CS_CTS_BASE:
+ * Carrier-sense CTS frame base address.
+ * It's where mac stores carrier-sense frame for carrier-sense function.
+ */
+#define HW_CS_CTS_BASE			0x7700
+
+/*
+ * HW_DFS_CTS_BASE:
+ * FS CTS frame base address. It's where mac stores CTS frame for DFS.
+ */
+#define HW_DFS_CTS_BASE			0x7780
+
+/*
+ * TXRX control registers - base address 0x3000
+ */
+
+/*
+ * TXRX_CSR1:
+ * rt2860b  UNKNOWN reg use R/O Reg Addr 0x77d0 first..
+ */
+#define TXRX_CSR1			0x77d0
+
+/*
+ * HW_DEBUG_SETTING_BASE:
+ * since NULL frame won't be that long (256 byte)
+ * We steal 16 tail bytes to save debugging settings
+ */
+#define HW_DEBUG_SETTING_BASE		0x77f0
+#define HW_DEBUG_SETTING_BASE2		0x7770
+
+/*
+ * HW_BEACON_BASE
+ * In order to support maximum 8 MBSS and its maximum length
+ * is 512 bytes for each beacon
+ * Three section discontinue memory segments will be used.
+ * 1. The original region for BCN 0~3
+ * 2. Extract memory from FCE table for BCN 4~5
+ * 3. Extract memory from Pair-wise key table for BCN 6~7
+ *    It occupied those memory of wcid 238~253 for BCN 6
+ *    and wcid 222~237 for BCN 7
+ *
+ * IMPORTANT NOTE: Not sure why legacy driver does this,
+ * but HW_BEACON_BASE7 is 0x0200 bytes below HW_BEACON_BASE6.
+ */
+#define HW_BEACON_BASE0			0x7800
+#define HW_BEACON_BASE1			0x7a00
+#define HW_BEACON_BASE2			0x7c00
+#define HW_BEACON_BASE3			0x7e00
+#define HW_BEACON_BASE4			0x7200
+#define HW_BEACON_BASE5			0x7400
+#define HW_BEACON_BASE6			0x5dc0
+#define HW_BEACON_BASE7			0x5bc0
+
+#define HW_BEACON_OFFSET(__index) \
+	( ((__index) < 4) ? ( HW_BEACON_BASE0 + (__index * 0x0200) ) : \
+	  (((__index) < 6) ? ( HW_BEACON_BASE4 + ((__index - 4) * 0x0200) ) : \
+	  (HW_BEACON_BASE6 - ((__index - 6) * 0x0200))) )
+
+/*
+ * 8051 firmware image.
+ */
+#define FIRMWARE_RT2860			"rt2860.bin"
+#define FIRMWARE_IMAGE_BASE		0x2000
+
+/*
+ * BBP registers.
+ * The wordsize of the BBP is 8 bits.
+ */
+
+/*
+ * BBP 1: TX Antenna
+ */
+#define BBP1_TX_POWER			FIELD8(0x07)
+#define BBP1_TX_ANTENNA			FIELD8(0x18)
+
+/*
+ * BBP 3: RX Antenna
+ */
+#define BBP3_RX_ANTENNA			FIELD8(0x18)
+#define BBP3_HT40_PLUS			FIELD8(0x20)
+
+/*
+ * BBP 4: Bandwidth
+ */
+#define BBP4_TX_BF			FIELD8(0x01)
+#define BBP4_BANDWIDTH			FIELD8(0x18)
+
+/*
+ * RFCSR registers
+ * The wordsize of the RFCSR is 8 bits.
+ */
+
+/*
+ * RFCSR 6:
+ */
+#define RFCSR6_R			FIELD8(0x03)
+
+/*
+ * RFCSR 7:
+ */
+#define RFCSR7_RF_TUNING		FIELD8(0x01)
+
+/*
+ * RFCSR 12:
+ */
+#define RFCSR12_TX_POWER		FIELD8(0x1f)
+
+/*
+ * RFCSR 22:
+ */
+#define RFCSR22_BASEBAND_LOOPBACK	FIELD8(0x01)
+
+/*
+ * RFCSR 23:
+ */
+#define RFCSR23_FREQ_OFFSET		FIELD8(0x7f)
+
+/*
+ * RFCSR 30:
+ */
+#define RFCSR30_RF_CALIBRATION		FIELD8(0x80)
+
+/*
+ * RF registers
+ */
+
+/*
+ * RF 2
+ */
+#define RF2_ANTENNA_RX2			FIELD32(0x00000040)
+#define RF2_ANTENNA_TX1			FIELD32(0x00004000)
+#define RF2_ANTENNA_RX1			FIELD32(0x00020000)
+
+/*
+ * RF 3
+ */
+#define RF3_TXPOWER_G			FIELD32(0x00003e00)
+#define RF3_TXPOWER_A_7DBM_BOOST	FIELD32(0x00000200)
+#define RF3_TXPOWER_A			FIELD32(0x00003c00)
+
+/*
+ * RF 4
+ */
+#define RF4_TXPOWER_G			FIELD32(0x000007c0)
+#define RF4_TXPOWER_A_7DBM_BOOST	FIELD32(0x00000040)
+#define RF4_TXPOWER_A			FIELD32(0x00000780)
+#define RF4_FREQ_OFFSET			FIELD32(0x001f8000)
+#define RF4_HT40			FIELD32(0x00200000)
+
+/*
+ * EEPROM content.
+ * The wordsize of the EEPROM is 16 bits.
+ */
+
+/*
+ * EEPROM Version
+ */
+#define EEPROM_VERSION			0x0001
+#define EEPROM_VERSION_FAE		FIELD16(0x00ff)
+#define EEPROM_VERSION_VERSION		FIELD16(0xff00)
+
+/*
+ * HW MAC address.
+ */
+#define EEPROM_MAC_ADDR_0		0x0002
+#define EEPROM_MAC_ADDR_BYTE0		FIELD16(0x00ff)
+#define EEPROM_MAC_ADDR_BYTE1		FIELD16(0xff00)
+#define EEPROM_MAC_ADDR_1		0x0003
+#define EEPROM_MAC_ADDR_BYTE2		FIELD16(0x00ff)
+#define EEPROM_MAC_ADDR_BYTE3		FIELD16(0xff00)
+#define EEPROM_MAC_ADDR_2		0x0004
+#define EEPROM_MAC_ADDR_BYTE4		FIELD16(0x00ff)
+#define EEPROM_MAC_ADDR_BYTE5		FIELD16(0xff00)
+
+/*
+ * EEPROM ANTENNA config
+ * RXPATH: 1: 1R, 2: 2R, 3: 3R
+ * TXPATH: 1: 1T, 2: 2T
+ */
+#define	EEPROM_ANTENNA			0x001a
+#define EEPROM_ANTENNA_RXPATH		FIELD16(0x000f)
+#define EEPROM_ANTENNA_TXPATH		FIELD16(0x00f0)
+#define EEPROM_ANTENNA_RF_TYPE		FIELD16(0x0f00)
+
+/*
+ * EEPROM NIC config
+ * CARDBUS_ACCEL: 0 - enable, 1 - disable
+ */
+#define	EEPROM_NIC			0x001b
+#define EEPROM_NIC_HW_RADIO		FIELD16(0x0001)
+#define EEPROM_NIC_DYNAMIC_TX_AGC	FIELD16(0x0002)
+#define EEPROM_NIC_EXTERNAL_LNA_BG	FIELD16(0x0004)
+#define EEPROM_NIC_EXTERNAL_LNA_A	FIELD16(0x0008)
+#define EEPROM_NIC_CARDBUS_ACCEL	FIELD16(0x0010)
+#define EEPROM_NIC_BW40M_SB_BG		FIELD16(0x0020)
+#define EEPROM_NIC_BW40M_SB_A		FIELD16(0x0040)
+#define EEPROM_NIC_WPS_PBC		FIELD16(0x0080)
+#define EEPROM_NIC_BW40M_BG		FIELD16(0x0100)
+#define EEPROM_NIC_BW40M_A		FIELD16(0x0200)
+
+/*
+ * EEPROM frequency
+ */
+#define	EEPROM_FREQ			0x001d
+#define EEPROM_FREQ_OFFSET		FIELD16(0x00ff)
+#define EEPROM_FREQ_LED_MODE		FIELD16(0x7f00)
+#define EEPROM_FREQ_LED_POLARITY	FIELD16(0x1000)
+
+/*
+ * EEPROM LED
+ * POLARITY_RDY_G: Polarity RDY_G setting.
+ * POLARITY_RDY_A: Polarity RDY_A setting.
+ * POLARITY_ACT: Polarity ACT setting.
+ * POLARITY_GPIO_0: Polarity GPIO0 setting.
+ * POLARITY_GPIO_1: Polarity GPIO1 setting.
+ * POLARITY_GPIO_2: Polarity GPIO2 setting.
+ * POLARITY_GPIO_3: Polarity GPIO3 setting.
+ * POLARITY_GPIO_4: Polarity GPIO4 setting.
+ * LED_MODE: Led mode.
+ */
+#define EEPROM_LED1			0x001e
+#define EEPROM_LED2			0x001f
+#define EEPROM_LED3			0x0020
+#define EEPROM_LED_POLARITY_RDY_BG	FIELD16(0x0001)
+#define EEPROM_LED_POLARITY_RDY_A	FIELD16(0x0002)
+#define EEPROM_LED_POLARITY_ACT		FIELD16(0x0004)
+#define EEPROM_LED_POLARITY_GPIO_0	FIELD16(0x0008)
+#define EEPROM_LED_POLARITY_GPIO_1	FIELD16(0x0010)
+#define EEPROM_LED_POLARITY_GPIO_2	FIELD16(0x0020)
+#define EEPROM_LED_POLARITY_GPIO_3	FIELD16(0x0040)
+#define EEPROM_LED_POLARITY_GPIO_4	FIELD16(0x0080)
+#define EEPROM_LED_LED_MODE		FIELD16(0x1f00)
+
+/*
+ * EEPROM LNA
+ */
+#define EEPROM_LNA			0x0022
+#define EEPROM_LNA_BG			FIELD16(0x00ff)
+#define EEPROM_LNA_A0			FIELD16(0xff00)
+
+/*
+ * EEPROM RSSI BG offset
+ */
+#define EEPROM_RSSI_BG			0x0023
+#define EEPROM_RSSI_BG_OFFSET0		FIELD16(0x00ff)
+#define EEPROM_RSSI_BG_OFFSET1		FIELD16(0xff00)
+
+/*
+ * EEPROM RSSI BG2 offset
+ */
+#define EEPROM_RSSI_BG2			0x0024
+#define EEPROM_RSSI_BG2_OFFSET2		FIELD16(0x00ff)
+#define EEPROM_RSSI_BG2_LNA_A1		FIELD16(0xff00)
+
+/*
+ * EEPROM RSSI A offset
+ */
+#define EEPROM_RSSI_A			0x0025
+#define EEPROM_RSSI_A_OFFSET0		FIELD16(0x00ff)
+#define EEPROM_RSSI_A_OFFSET1		FIELD16(0xff00)
+
+/*
+ * EEPROM RSSI A2 offset
+ */
+#define EEPROM_RSSI_A2			0x0026
+#define EEPROM_RSSI_A2_OFFSET2		FIELD16(0x00ff)
+#define EEPROM_RSSI_A2_LNA_A2		FIELD16(0xff00)
+
+/*
+ * EEPROM TXpower delta: 20MHZ AND 40 MHZ use different power.
+ *	This is delta in 40MHZ.
+ * VALUE: Tx Power dalta value (MAX=4)
+ * TYPE: 1: Plus the delta value, 0: minus the delta value
+ * TXPOWER: Enable:
+ */
+#define EEPROM_TXPOWER_DELTA		0x0028
+#define EEPROM_TXPOWER_DELTA_VALUE	FIELD16(0x003f)
+#define EEPROM_TXPOWER_DELTA_TYPE	FIELD16(0x0040)
+#define EEPROM_TXPOWER_DELTA_TXPOWER	FIELD16(0x0080)
+
+/*
+ * EEPROM TXPOWER 802.11BG
+ */
+#define	EEPROM_TXPOWER_BG1		0x0029
+#define	EEPROM_TXPOWER_BG2		0x0030
+#define EEPROM_TXPOWER_BG_SIZE		7
+#define EEPROM_TXPOWER_BG_1		FIELD16(0x00ff)
+#define EEPROM_TXPOWER_BG_2		FIELD16(0xff00)
+
+/*
+ * EEPROM TXPOWER 802.11A
+ */
+#define EEPROM_TXPOWER_A1		0x003c
+#define EEPROM_TXPOWER_A2		0x0053
+#define EEPROM_TXPOWER_A_SIZE		6
+#define EEPROM_TXPOWER_A_1		FIELD16(0x00ff)
+#define EEPROM_TXPOWER_A_2		FIELD16(0xff00)
+
+/*
+ * EEPROM TXpower byrate: 20MHZ power
+ */
+#define EEPROM_TXPOWER_BYRATE		0x006f
+
+/*
+ * EEPROM BBP.
+ */
+#define	EEPROM_BBP_START		0x0078
+#define EEPROM_BBP_SIZE			16
+#define EEPROM_BBP_VALUE		FIELD16(0x00ff)
+#define EEPROM_BBP_REG_ID		FIELD16(0xff00)
+
+/*
+ * MCU mailbox commands.
+ */
+#define MCU_SLEEP			0x30
+#define MCU_WAKEUP			0x31
+#define MCU_RADIO_OFF			0x35
+#define MCU_CURRENT			0x36
+#define MCU_LED				0x50
+#define MCU_LED_STRENGTH		0x51
+#define MCU_LED_1			0x52
+#define MCU_LED_2			0x53
+#define MCU_LED_3			0x54
+#define MCU_RADAR			0x60
+#define MCU_BOOT_SIGNAL			0x72
+#define MCU_BBP_SIGNAL			0x80
+#define MCU_POWER_SAVE			0x83
+
+/*
+ * MCU mailbox tokens
+ */
+#define TOKEN_WAKUP			3
+
+/*
+ * DMA descriptor defines.
+ */
+#define TXD_DESC_SIZE			( 4 * sizeof(__le32) )
+#define TXWI_DESC_SIZE			( 4 * sizeof(__le32) )
+#define RXD_DESC_SIZE			( 4 * sizeof(__le32) )
+#define RXWI_DESC_SIZE			( 4 * sizeof(__le32) )
+
+/*
+ * TX descriptor format for TX, PRIO and Beacon Ring.
+ */
+
+/*
+ * Word0
+ */
+#define TXD_W0_SD_PTR0			FIELD32(0xffffffff)
+
+/*
+ * Word1
+ */
+#define TXD_W1_SD_LEN1			FIELD32(0x00003fff)
+#define TXD_W1_LAST_SEC1		FIELD32(0x00004000)
+#define TXD_W1_BURST			FIELD32(0x00008000)
+#define TXD_W1_SD_LEN0			FIELD32(0x3fff0000)
+#define TXD_W1_LAST_SEC0		FIELD32(0x40000000)
+#define TXD_W1_DMA_DONE			FIELD32(0x80000000)
+
+/*
+ * Word2
+ */
+#define TXD_W2_SD_PTR1			FIELD32(0xffffffff)
+
+/*
+ * Word3
+ * WIV: Wireless Info Valid. 1: Driver filled WI, 0: DMA needs to copy WI
+ * QSEL: Select on-chip FIFO ID for 2nd-stage output scheduler.
+ *       0:MGMT, 1:HCCA 2:EDCA
+ */
+#define TXD_W3_WIV			FIELD32(0x01000000)
+#define TXD_W3_QSEL			FIELD32(0x06000000)
+#define TXD_W3_TCO			FIELD32(0x20000000)
+#define TXD_W3_UCO			FIELD32(0x40000000)
+#define TXD_W3_ICO			FIELD32(0x80000000)
+
+/*
+ * TX WI structure
+ */
+
+/*
+ * Word0
+ * FRAG: 1 To inform TKIP engine this is a fragment.
+ * MIMO_PS: The remote peer is in dynamic MIMO-PS mode
+ * TX_OP: 0:HT TXOP rule , 1:PIFS TX ,2:Backoff, 3:sifs
+ * BW: Channel bandwidth 20MHz or 40 MHz
+ * STBC: 1: STBC support MCS =0-7, 2,3 : RESERVED
+ */
+#define TXWI_W0_FRAG			FIELD32(0x00000001)
+#define TXWI_W0_MIMO_PS			FIELD32(0x00000002)
+#define TXWI_W0_CF_ACK			FIELD32(0x00000004)
+#define TXWI_W0_TS			FIELD32(0x00000008)
+#define TXWI_W0_AMPDU			FIELD32(0x00000010)
+#define TXWI_W0_MPDU_DENSITY		FIELD32(0x000000e0)
+#define TXWI_W0_TX_OP			FIELD32(0x00000300)
+#define TXWI_W0_MCS			FIELD32(0x007f0000)
+#define TXWI_W0_BW			FIELD32(0x00800000)
+#define TXWI_W0_SHORT_GI		FIELD32(0x01000000)
+#define TXWI_W0_STBC			FIELD32(0x06000000)
+#define TXWI_W0_IFS			FIELD32(0x08000000)
+#define TXWI_W0_PHYMODE			FIELD32(0xc0000000)
+
+/*
+ * Word1
+ */
+#define TXWI_W1_ACK			FIELD32(0x00000001)
+#define TXWI_W1_NSEQ			FIELD32(0x00000002)
+#define TXWI_W1_BW_WIN_SIZE		FIELD32(0x000000fc)
+#define TXWI_W1_WIRELESS_CLI_ID		FIELD32(0x0000ff00)
+#define TXWI_W1_MPDU_TOTAL_BYTE_COUNT	FIELD32(0x0fff0000)
+#define TXWI_W1_PACKETID		FIELD32(0xf0000000)
+
+/*
+ * Word2
+ */
+#define TXWI_W2_IV			FIELD32(0xffffffff)
+
+/*
+ * Word3
+ */
+#define TXWI_W3_EIV			FIELD32(0xffffffff)
+
+/*
+ * RX descriptor format for RX Ring.
+ */
+
+/*
+ * Word0
+ */
+#define RXD_W0_SDP0			FIELD32(0xffffffff)
+
+/*
+ * Word1
+ */
+#define RXD_W1_SDL1			FIELD32(0x00003fff)
+#define RXD_W1_SDL0			FIELD32(0x3fff0000)
+#define RXD_W1_LS0			FIELD32(0x40000000)
+#define RXD_W1_DMA_DONE			FIELD32(0x80000000)
+
+/*
+ * Word2
+ */
+#define RXD_W2_SDP1			FIELD32(0xffffffff)
+
+/*
+ * Word3
+ * AMSDU: RX with 802.3 header, not 802.11 header.
+ * DECRYPTED: This frame is being decrypted.
+ */
+#define RXD_W3_BA			FIELD32(0x00000001)
+#define RXD_W3_DATA			FIELD32(0x00000002)
+#define RXD_W3_NULLDATA			FIELD32(0x00000004)
+#define RXD_W3_FRAG			FIELD32(0x00000008)
+#define RXD_W3_UNICAST_TO_ME		FIELD32(0x00000010)
+#define RXD_W3_MULTICAST		FIELD32(0x00000020)
+#define RXD_W3_BROADCAST		FIELD32(0x00000040)
+#define RXD_W3_MY_BSS			FIELD32(0x00000080)
+#define RXD_W3_CRC_ERROR		FIELD32(0x00000100)
+#define RXD_W3_CIPHER_ERROR		FIELD32(0x00000600)
+#define RXD_W3_AMSDU			FIELD32(0x00000800)
+#define RXD_W3_HTC			FIELD32(0x00001000)
+#define RXD_W3_RSSI			FIELD32(0x00002000)
+#define RXD_W3_L2PAD			FIELD32(0x00004000)
+#define RXD_W3_AMPDU			FIELD32(0x00008000)
+#define RXD_W3_DECRYPTED		FIELD32(0x00010000)
+#define RXD_W3_PLCP_SIGNAL		FIELD32(0x00020000)
+#define RXD_W3_PLCP_RSSI		FIELD32(0x00040000)
+
+/*
+ * RX WI structure
+ */
+
+/*
+ * Word0
+ */
+#define RXWI_W0_WIRELESS_CLI_ID		FIELD32(0x000000ff)
+#define RXWI_W0_KEY_INDEX		FIELD32(0x00000300)
+#define RXWI_W0_BSSID			FIELD32(0x00001c00)
+#define RXWI_W0_UDF			FIELD32(0x0000e000)
+#define RXWI_W0_MPDU_TOTAL_BYTE_COUNT	FIELD32(0x0fff0000)
+#define RXWI_W0_TID			FIELD32(0xf0000000)
+
+/*
+ * Word1
+ */
+#define RXWI_W1_FRAG			FIELD32(0x0000000f)
+#define RXWI_W1_SEQUENCE		FIELD32(0x0000fff0)
+#define RXWI_W1_MCS			FIELD32(0x007f0000)
+#define RXWI_W1_BW			FIELD32(0x00800000)
+#define RXWI_W1_SHORT_GI		FIELD32(0x01000000)
+#define RXWI_W1_STBC			FIELD32(0x06000000)
+#define RXWI_W1_PHYMODE			FIELD32(0xc0000000)
+
+/*
+ * Word2
+ */
+#define RXWI_W2_RSSI0			FIELD32(0x000000ff)
+#define RXWI_W2_RSSI1			FIELD32(0x0000ff00)
+#define RXWI_W2_RSSI2			FIELD32(0x00ff0000)
+
+/*
+ * Word3
+ */
+#define RXWI_W3_SNR0			FIELD32(0x000000ff)
+#define RXWI_W3_SNR1			FIELD32(0x0000ff00)
+
+/*
+ * Macros for converting txpower from EEPROM to mac80211 value
+ * and from mac80211 value to register value.
+ */
+#define MIN_G_TXPOWER	0
+#define MIN_A_TXPOWER	-7
+#define MAX_G_TXPOWER	31
+#define MAX_A_TXPOWER	15
+#define DEFAULT_TXPOWER	5
+
+#define TXPOWER_G_FROM_DEV(__txpower) \
+	((__txpower) > MAX_G_TXPOWER) ? DEFAULT_TXPOWER : (__txpower)
+
+#define TXPOWER_G_TO_DEV(__txpower) \
+	clamp_t(char, __txpower, MIN_G_TXPOWER, MAX_G_TXPOWER)
+
+#define TXPOWER_A_FROM_DEV(__txpower) \
+	((__txpower) > MAX_A_TXPOWER) ? DEFAULT_TXPOWER : (__txpower)
+
+#define TXPOWER_A_TO_DEV(__txpower) \
+	clamp_t(char, __txpower, MIN_A_TXPOWER, MAX_A_TXPOWER)
+
+#endif /* RT2800PCI_H */
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index 27bc6b7fbfd..196de8ab815 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -158,6 +158,13 @@ struct rt2x00_chip {
 #define RT2561		0x0302
 #define RT2661		0x0401
 #define RT2571		0x1300
+#define RT2860		0x0601	/* 2.4GHz PCI/CB */
+#define RT2860D		0x0681	/* 2.4GHz, 5GHz PCI/CB */
+#define RT2890		0x0701	/* 2.4GHz PCIe */
+#define RT2890D		0x0781	/* 2.4GHz, 5GHz PCIe */
+#define RT2880		0x2880	/* WSOC */
+#define RT3052		0x3052	/* WSOC */
+#define RT3090		0x3090	/* 2.4GHz PCIe */
 #define RT2870		0x1600
 
 	u16 rf;
-- 
GitLab


From 43b7b314f606b64f8645e4ec1a59df8a97a79b5a Mon Sep 17 00:00:00 2001
From: Javier Cardona <javier@cozybit.com>
Date: Thu, 15 Oct 2009 18:10:51 -0700
Subject: [PATCH 0539/1815] mac80211: Learn about mesh portals from multicast
 traffic

Mesh portals proxy traffic for nodes external to the mesh.  When a
proxied frame is received by a mesh interface, it should update its mesh
portal table.  This was only happening for unicast frames.  With this
change we also learn about mesh portals from proxied multicast frames.

Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/rx.c | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 7170bf4565a..5c385e3c1d1 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1504,19 +1504,28 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
 		/* illegal frame */
 		return RX_DROP_MONITOR;
 
-	if (!is_multicast_ether_addr(hdr->addr1) &&
-			(mesh_hdr->flags & MESH_FLAGS_AE_A5_A6)) {
+	if (mesh_hdr->flags & MESH_FLAGS_AE) {
 		struct mesh_path *mppath;
+		char *proxied_addr;
+		char *mpp_addr;
+
+		if (is_multicast_ether_addr(hdr->addr1)) {
+			mpp_addr = hdr->addr3;
+			proxied_addr = mesh_hdr->eaddr1;
+		} else {
+			mpp_addr = hdr->addr4;
+			proxied_addr = mesh_hdr->eaddr2;
+		}
 
 		rcu_read_lock();
-		mppath = mpp_path_lookup(mesh_hdr->eaddr2, sdata);
+		mppath = mpp_path_lookup(proxied_addr, sdata);
 		if (!mppath) {
-			mpp_path_add(mesh_hdr->eaddr2, hdr->addr4, sdata);
+			mpp_path_add(proxied_addr, mpp_addr, sdata);
 		} else {
 			spin_lock_bh(&mppath->state_lock);
 			mppath->exp_time = jiffies;
-			if (compare_ether_addr(mppath->mpp, hdr->addr4) != 0)
-				memcpy(mppath->mpp, hdr->addr4, ETH_ALEN);
+			if (compare_ether_addr(mppath->mpp, mpp_addr) != 0)
+				memcpy(mppath->mpp, mpp_addr, ETH_ALEN);
 			spin_unlock_bh(&mppath->state_lock);
 		}
 		rcu_read_unlock();
-- 
GitLab


From 30315ff05fce99ef0c172a966b3ed71baa62219b Mon Sep 17 00:00:00 2001
From: Zhu Yi <yi.zhu@intel.com>
Date: Fri, 16 Oct 2009 13:18:45 +0800
Subject: [PATCH 0540/1815] iwmc3200wifi: add BGN sdio device id

Add BGN SKU sdio device id.

Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwmc3200wifi/sdio.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/iwmc3200wifi/sdio.c b/drivers/net/wireless/iwmc3200wifi/sdio.c
index 8b1de84003c..38026b70a2f 100644
--- a/drivers/net/wireless/iwmc3200wifi/sdio.c
+++ b/drivers/net/wireless/iwmc3200wifi/sdio.c
@@ -493,8 +493,10 @@ static void iwm_sdio_remove(struct sdio_func *func)
 }
 
 static const struct sdio_device_id iwm_sdio_ids[] = {
-	{ SDIO_DEVICE(SDIO_VENDOR_ID_INTEL,
-		      SDIO_DEVICE_ID_INTEL_IWMC3200WIFI) },
+	/* Global/AGN SKU */
+	{ SDIO_DEVICE(SDIO_VENDOR_ID_INTEL, 0x1403) },
+	/* BGN SKU */
+	{ SDIO_DEVICE(SDIO_VENDOR_ID_INTEL, 0x1408) },
 	{ /* end: all zeroes */	},
 };
 MODULE_DEVICE_TABLE(sdio, iwm_sdio_ids);
-- 
GitLab


From 03d1a62c1fb10fe00cfc5cb7f4496d8d6d0e7660 Mon Sep 17 00:00:00 2001
From: Zhu Yi <yi.zhu@intel.com>
Date: Fri, 16 Oct 2009 13:18:46 +0800
Subject: [PATCH 0541/1815] iwmc3200wifi: allow joining an existed IBSS network

We used to only support creating a new IBSS network. Now joining to
an existed IBSS network is supported as well.

Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwmc3200wifi/cfg80211.c | 22 ++------------------
 1 file changed, 2 insertions(+), 20 deletions(-)

diff --git a/drivers/net/wireless/iwmc3200wifi/cfg80211.c b/drivers/net/wireless/iwmc3200wifi/cfg80211.c
index a56a2b0ac99..703edb30c26 100644
--- a/drivers/net/wireless/iwmc3200wifi/cfg80211.c
+++ b/drivers/net/wireless/iwmc3200wifi/cfg80211.c
@@ -404,39 +404,21 @@ static int iwm_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
 {
 	struct iwm_priv *iwm = wiphy_to_iwm(wiphy);
 	struct ieee80211_channel *chan = params->channel;
-	struct cfg80211_bss *bss;
 
 	if (!test_bit(IWM_STATUS_READY, &iwm->status))
 		return -EIO;
 
-	/* UMAC doesn't support creating IBSS network with specified bssid.
-	 * This should be removed after we have join only mode supported. */
+	/* UMAC doesn't support creating or joining an IBSS network
+	 * with specified bssid. */
 	if (params->bssid)
 		return -EOPNOTSUPP;
 
-	bss = cfg80211_get_ibss(iwm_to_wiphy(iwm), NULL,
-				params->ssid, params->ssid_len);
-	if (!bss) {
-		iwm_scan_one_ssid(iwm, params->ssid, params->ssid_len);
-		schedule_timeout_interruptible(2 * HZ);
-		bss = cfg80211_get_ibss(iwm_to_wiphy(iwm), NULL,
-					params->ssid, params->ssid_len);
-	}
-	/* IBSS join only mode is not supported by UMAC ATM */
-	if (bss) {
-		cfg80211_put_bss(bss);
-		return -EOPNOTSUPP;
-	}
-
 	iwm->channel = ieee80211_frequency_to_channel(chan->center_freq);
 	iwm->umac_profile->ibss.band = chan->band;
 	iwm->umac_profile->ibss.channel = iwm->channel;
 	iwm->umac_profile->ssid.ssid_len = params->ssid_len;
 	memcpy(iwm->umac_profile->ssid.ssid, params->ssid, params->ssid_len);
 
-	if (params->bssid)
-		memcpy(&iwm->umac_profile->bssid[0], params->bssid, ETH_ALEN);
-
 	return iwm_send_mlme_profile(iwm);
 }
 
-- 
GitLab


From a82aedbf1b043f7a7474aa9b6d223104ac51827a Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Fri, 16 Oct 2009 13:18:47 +0800
Subject: [PATCH 0542/1815] iwmc3200wifi: WPS support

By setting the WSC profile flag, we now support WPS as an enrollee.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwmc3200wifi/cfg80211.c | 7 +++++++
 drivers/net/wireless/iwmc3200wifi/commands.h | 3 +++
 2 files changed, 10 insertions(+)

diff --git a/drivers/net/wireless/iwmc3200wifi/cfg80211.c b/drivers/net/wireless/iwmc3200wifi/cfg80211.c
index 703edb30c26..ca75d07831a 100644
--- a/drivers/net/wireless/iwmc3200wifi/cfg80211.c
+++ b/drivers/net/wireless/iwmc3200wifi/cfg80211.c
@@ -627,6 +627,13 @@ static int iwm_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
 		iwm->default_key = sme->key_idx;
 	}
 
+	/* WPA and open AUTH type from wpa_s means WPS (a.k.a. WSC) */
+	if ((iwm->umac_profile->sec.flags &
+	     (UMAC_SEC_FLG_WPA_ON_MSK | UMAC_SEC_FLG_RSNA_ON_MSK)) &&
+	    iwm->umac_profile->sec.auth_type == UMAC_AUTH_TYPE_OPEN) {
+			iwm->umac_profile->sec.flags = UMAC_SEC_FLG_WSC_ON_MSK;
+	}
+
 	ret = iwm_send_mlme_profile(iwm);
 
 	if (iwm->umac_profile->sec.auth_type != UMAC_AUTH_TYPE_LEGACY_PSK ||
diff --git a/drivers/net/wireless/iwmc3200wifi/commands.h b/drivers/net/wireless/iwmc3200wifi/commands.h
index e24d5b63399..4e183be1f26 100644
--- a/drivers/net/wireless/iwmc3200wifi/commands.h
+++ b/drivers/net/wireless/iwmc3200wifi/commands.h
@@ -288,6 +288,9 @@ struct iwm_umac_cmd_scan_request {
 /* iwm_umac_security.flag is WSC mode on -- bits [2:2] */
 #define UMAC_SEC_FLG_WSC_ON_POS		2
 #define UMAC_SEC_FLG_WSC_ON_SEED	1
+#define UMAC_SEC_FLG_WSC_ON_MSK         (UMAC_SEC_FLG_WSC_ON_SEED << \
+					 UMAC_SEC_FLG_WSC_ON_POS)
+
 
 /* Legacy profile can use only WEP40 and WEP104 for encryption and
  * OPEN or PSK for authentication */
-- 
GitLab


From e85498b21d0372a00f31ab9f7c0d215c32c9fad5 Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Fri, 16 Oct 2009 13:18:48 +0800
Subject: [PATCH 0543/1815] iwmc3200wifi: CT kill support

We set the initial CT (Temperature control) value to 110 degrees.
If the chip goes over that threshold, we hard block the device which will turn
it down. At the same time we schedule a 30 seconds delayed work that unblock
the device (and userspace is supposed to bring it back up), hoping that the
chip will have cooled down by then...

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwmc3200wifi/commands.c | 11 +++++++++++
 drivers/net/wireless/iwmc3200wifi/commands.h |  1 +
 drivers/net/wireless/iwmc3200wifi/fw.c       |  2 ++
 drivers/net/wireless/iwmc3200wifi/iwm.h      |  3 +++
 drivers/net/wireless/iwmc3200wifi/lmac.h     |  8 ++++++++
 drivers/net/wireless/iwmc3200wifi/main.c     | 14 ++++++++++++++
 drivers/net/wireless/iwmc3200wifi/netdev.c   |  1 +
 drivers/net/wireless/iwmc3200wifi/rx.c       | 16 +++++++++++++++-
 8 files changed, 55 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwmc3200wifi/commands.c b/drivers/net/wireless/iwmc3200wifi/commands.c
index 23b52fa2605..aeea909992f 100644
--- a/drivers/net/wireless/iwmc3200wifi/commands.c
+++ b/drivers/net/wireless/iwmc3200wifi/commands.c
@@ -274,6 +274,17 @@ int iwm_send_calib_results(struct iwm_priv *iwm)
 	return ret;
 }
 
+int iwm_send_ct_kill_cfg(struct iwm_priv *iwm, u8 entry, u8 exit)
+{
+	struct iwm_ct_kill_cfg_cmd cmd;
+
+	cmd.entry_threshold = entry;
+	cmd.exit_threshold = exit;
+
+	return iwm_send_lmac_ptrough_cmd(iwm, REPLY_CT_KILL_CONFIG_CMD, &cmd,
+					 sizeof(struct iwm_ct_kill_cfg_cmd), 0);
+}
+
 int iwm_send_umac_reset(struct iwm_priv *iwm, __le32 reset_flags, bool resp)
 {
 	struct iwm_udma_wifi_cmd udma_cmd = UDMA_UMAC_INIT;
diff --git a/drivers/net/wireless/iwmc3200wifi/commands.h b/drivers/net/wireless/iwmc3200wifi/commands.h
index 4e183be1f26..e486f8e8937 100644
--- a/drivers/net/wireless/iwmc3200wifi/commands.h
+++ b/drivers/net/wireless/iwmc3200wifi/commands.h
@@ -396,6 +396,7 @@ int iwm_send_init_calib_cfg(struct iwm_priv *iwm, u8 calib_requested);
 int iwm_send_periodic_calib_cfg(struct iwm_priv *iwm, u8 calib_requested);
 int iwm_send_calib_results(struct iwm_priv *iwm);
 int iwm_store_rxiq_calib_result(struct iwm_priv *iwm);
+int iwm_send_ct_kill_cfg(struct iwm_priv *iwm, u8 entry, u8 exit);
 
 /* UMAC commands */
 int iwm_send_wifi_if_cmd(struct iwm_priv *iwm, void *payload, u16 payload_size,
diff --git a/drivers/net/wireless/iwmc3200wifi/fw.c b/drivers/net/wireless/iwmc3200wifi/fw.c
index 6b0bcad758c..f02d571b0a1 100644
--- a/drivers/net/wireless/iwmc3200wifi/fw.c
+++ b/drivers/net/wireless/iwmc3200wifi/fw.c
@@ -398,6 +398,8 @@ int iwm_load_fw(struct iwm_priv *iwm)
 	iwm_send_prio_table(iwm);
 	iwm_send_calib_results(iwm);
 	iwm_send_periodic_calib_cfg(iwm, periodic_calib_map);
+	iwm_send_ct_kill_cfg(iwm, iwm->conf.ct_kill_entry,
+			     iwm->conf.ct_kill_exit);
 
 	return 0;
 
diff --git a/drivers/net/wireless/iwmc3200wifi/iwm.h b/drivers/net/wireless/iwmc3200wifi/iwm.h
index 1b02a4e2a1a..fe0ab80994d 100644
--- a/drivers/net/wireless/iwmc3200wifi/iwm.h
+++ b/drivers/net/wireless/iwmc3200wifi/iwm.h
@@ -65,6 +65,8 @@ struct iwm_conf {
 	u32 sdio_ior_timeout;
 	unsigned long calib_map;
 	unsigned long expected_calib_map;
+	u8 ct_kill_entry;
+	u8 ct_kill_exit;
 	bool reset_on_fatal_err;
 	bool auto_connect;
 	bool wimax_not_present;
@@ -276,6 +278,7 @@ struct iwm_priv {
 	struct iw_statistics wstats;
 	struct delayed_work stats_request;
 	struct delayed_work disconnect;
+	struct delayed_work ct_kill_delay;
 
 	struct iwm_debugfs dbg;
 
diff --git a/drivers/net/wireless/iwmc3200wifi/lmac.h b/drivers/net/wireless/iwmc3200wifi/lmac.h
index 6c1a14c4480..a3a79b5e289 100644
--- a/drivers/net/wireless/iwmc3200wifi/lmac.h
+++ b/drivers/net/wireless/iwmc3200wifi/lmac.h
@@ -187,6 +187,14 @@ struct iwm_coex_prio_table_cmd {
 				     COEX_EVT_FLAG_MEDIUM_ACTV_NTFY_MSK | \
 				     COEX_EVT_FLAG_DELAY_MEDIUM_FREE_NTFY_MSK)
 
+/* CT kill config command */
+struct iwm_ct_kill_cfg_cmd {
+	u32 exit_threshold;
+	u32 reserved;
+	u32 entry_threshold;
+} __attribute__ ((packed));
+
+
 /* LMAC OP CODES */
 #define REPLY_PAD			0x0
 #define REPLY_ALIVE			0x1
diff --git a/drivers/net/wireless/iwmc3200wifi/main.c b/drivers/net/wireless/iwmc3200wifi/main.c
index 170f3370649..3147fe7b513 100644
--- a/drivers/net/wireless/iwmc3200wifi/main.c
+++ b/drivers/net/wireless/iwmc3200wifi/main.c
@@ -63,6 +63,8 @@ static struct iwm_conf def_iwm_conf = {
 				  BIT(PHY_CALIBRATE_TX_IQ_CMD)	|
 				  BIT(PHY_CALIBRATE_RX_IQ_CMD)	|
 				  BIT(SHILOH_PHY_CALIBRATE_BASE_BAND_CMD),
+	.ct_kill_entry		= 110,
+	.ct_kill_exit		= 110,
 	.reset_on_fatal_err	= 1,
 	.auto_connect		= 1,
 	.wimax_not_present	= 0,
@@ -133,6 +135,17 @@ static void iwm_disconnect_work(struct work_struct *work)
 	cfg80211_disconnected(iwm_to_ndev(iwm), 0, NULL, 0, GFP_KERNEL);
 }
 
+static void iwm_ct_kill_work(struct work_struct *work)
+{
+	struct iwm_priv *iwm =
+		container_of(work, struct iwm_priv, ct_kill_delay.work);
+	struct wiphy *wiphy = iwm_to_wiphy(iwm);
+
+	IWM_INFO(iwm, "CT kill delay timeout\n");
+
+	wiphy_rfkill_set_hw_state(wiphy, false);
+}
+
 static int __iwm_up(struct iwm_priv *iwm);
 static int __iwm_down(struct iwm_priv *iwm);
 
@@ -225,6 +238,7 @@ int iwm_priv_init(struct iwm_priv *iwm)
 	iwm->scan_id = 1;
 	INIT_DELAYED_WORK(&iwm->stats_request, iwm_statistics_request);
 	INIT_DELAYED_WORK(&iwm->disconnect, iwm_disconnect_work);
+	INIT_DELAYED_WORK(&iwm->ct_kill_delay, iwm_ct_kill_work);
 	INIT_WORK(&iwm->reset_worker, iwm_reset_worker);
 	INIT_LIST_HEAD(&iwm->bss_list);
 
diff --git a/drivers/net/wireless/iwmc3200wifi/netdev.c b/drivers/net/wireless/iwmc3200wifi/netdev.c
index 35ec006c2d2..4f8dbdd7b91 100644
--- a/drivers/net/wireless/iwmc3200wifi/netdev.c
+++ b/drivers/net/wireless/iwmc3200wifi/netdev.c
@@ -152,6 +152,7 @@ void iwm_if_free(struct iwm_priv *iwm)
 	if (!iwm_to_ndev(iwm))
 		return;
 
+	cancel_delayed_work_sync(&iwm->ct_kill_delay);
 	free_netdev(iwm_to_ndev(iwm));
 	iwm_priv_deinit(iwm);
 	kfree(iwm->umac_profile);
diff --git a/drivers/net/wireless/iwmc3200wifi/rx.c b/drivers/net/wireless/iwmc3200wifi/rx.c
index 40dbcbc1659..14a2a0b3d61 100644
--- a/drivers/net/wireless/iwmc3200wifi/rx.c
+++ b/drivers/net/wireless/iwmc3200wifi/rx.c
@@ -1078,6 +1078,7 @@ static int iwm_ntf_wifi_if_wrapper(struct iwm_priv *iwm, u8 *buf,
 	return 0;
 }
 
+#define CT_KILL_DELAY (30 * HZ)
 static int iwm_ntf_card_state(struct iwm_priv *iwm, u8 *buf,
 			      unsigned long buf_size, struct iwm_wifi_cmd *cmd)
 {
@@ -1090,7 +1091,20 @@ static int iwm_ntf_card_state(struct iwm_priv *iwm, u8 *buf,
 		 flags & IWM_CARD_STATE_HW_DISABLED ? "ON" : "OFF",
 		 flags & IWM_CARD_STATE_CTKILL_DISABLED ? "ON" : "OFF");
 
-	wiphy_rfkill_set_hw_state(wiphy, flags & IWM_CARD_STATE_HW_DISABLED);
+	if (flags & IWM_CARD_STATE_CTKILL_DISABLED) {
+		/*
+		 * We got a CTKILL event: We bring the interface down in
+		 * oder to cool the device down, and try to bring it up
+		 * 30 seconds later. If it's still too hot, we'll go through
+		 * this code path again.
+		 */
+		cancel_delayed_work_sync(&iwm->ct_kill_delay);
+		schedule_delayed_work(&iwm->ct_kill_delay, CT_KILL_DELAY);
+	}
+
+	wiphy_rfkill_set_hw_state(wiphy, flags &
+				  (IWM_CARD_STATE_HW_DISABLED |
+				   IWM_CARD_STATE_CTKILL_DISABLED));
 
 	return 0;
 }
-- 
GitLab


From 6a79c9f62a87e39a265f9b855911fbc1f094ded0 Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Fri, 16 Oct 2009 13:18:49 +0800
Subject: [PATCH 0544/1815] iwmc3200wifi: Profile flags can be WPA1 or WPA2 not
 both

UMAC will ASSERT if the profile security flag is WPA1 | WPA2, so we can only
accept one of those.
Moreover wpa_s wext and nl80211 drivers dont try to send WPA1 | WPA2, but only
one at a time.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwmc3200wifi/cfg80211.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/iwmc3200wifi/cfg80211.c b/drivers/net/wireless/iwmc3200wifi/cfg80211.c
index ca75d07831a..89edb662942 100644
--- a/drivers/net/wireless/iwmc3200wifi/cfg80211.c
+++ b/drivers/net/wireless/iwmc3200wifi/cfg80211.c
@@ -471,12 +471,12 @@ static int iwm_set_wpa_version(struct iwm_priv *iwm, u32 wpa_version)
 		return 0;
 	}
 
+	if (wpa_version & NL80211_WPA_VERSION_1)
+		iwm->umac_profile->sec.flags = UMAC_SEC_FLG_WPA_ON_MSK;
+
 	if (wpa_version & NL80211_WPA_VERSION_2)
 		iwm->umac_profile->sec.flags = UMAC_SEC_FLG_RSNA_ON_MSK;
 
-	if (wpa_version & NL80211_WPA_VERSION_1)
-		iwm->umac_profile->sec.flags |= UMAC_SEC_FLG_WPA_ON_MSK;
-
 	return 0;
 }
 
-- 
GitLab


From 69cf6e2d5bd90436a0fa6cef2f4d65583faef388 Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Fri, 16 Oct 2009 13:18:50 +0800
Subject: [PATCH 0545/1815] iwmc3200wifi: Improve rx debug

We display the correct DROP/RELEASE string for each rx packets, and when
it's dropped we also display the reason.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwmc3200wifi/rx.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/iwmc3200wifi/rx.c b/drivers/net/wireless/iwmc3200wifi/rx.c
index 14a2a0b3d61..225b1d3b273 100644
--- a/drivers/net/wireless/iwmc3200wifi/rx.c
+++ b/drivers/net/wireless/iwmc3200wifi/rx.c
@@ -422,7 +422,9 @@ static int iwm_ntf_rx_ticket(struct iwm_priv *iwm, u8 *buf,
 			if (IS_ERR(ticket_node))
 				return PTR_ERR(ticket_node);
 
-			IWM_DBG_RX(iwm, DBG, "TICKET RELEASE(%d)\n",
+			IWM_DBG_RX(iwm, DBG, "TICKET %s(%d)\n",
+				   ticket->action ==  IWM_RX_TICKET_RELEASE ?
+				   "RELEASE" : "DROP",
 				   ticket->id);
 			list_add_tail(&ticket_node->node, &iwm->rx_tickets);
 
@@ -1457,7 +1459,8 @@ static void iwm_rx_process_packet(struct iwm_priv *iwm,
 		}
 		break;
 	case IWM_RX_TICKET_DROP:
-		IWM_DBG_RX(iwm, DBG, "DROP packet\n");
+		IWM_DBG_RX(iwm, DBG, "DROP packet: 0x%x\n",
+			   le16_to_cpu(ticket_node->ticket->flags));
 		kfree_skb(packet->skb);
 		break;
 	default:
-- 
GitLab


From 05f9589cd37be9ead62a92755cd86f14b247229d Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Fri, 16 Oct 2009 13:18:51 +0800
Subject: [PATCH 0546/1815] iwmc3200wifi: Update statistics notification
 structure

The latest firmware adds a ht_rates and a chain_energy field. The latter is
needed as we want to eventually support RSSI/antenna handling.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwmc3200wifi/umac.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/wireless/iwmc3200wifi/umac.h b/drivers/net/wireless/iwmc3200wifi/umac.h
index c5a14ae3160..be903543bb4 100644
--- a/drivers/net/wireless/iwmc3200wifi/umac.h
+++ b/drivers/net/wireless/iwmc3200wifi/umac.h
@@ -687,6 +687,9 @@ struct iwm_umac_notif_rx_ticket {
 /* Tx/Rx rates window (number of max of last update window per second) */
 #define UMAC_NTF_RATE_SAMPLE_NR	4
 
+/* Max numbers of bits required to go through all antennae in bitmasks */
+#define UMAC_PHY_NUM_CHAINS     3
+
 #define IWM_UMAC_MGMT_TID	8
 #define IWM_UMAC_TID_NR		8
 
@@ -697,9 +700,11 @@ struct iwm_umac_notif_stats {
 	__le16 tid_load[IWM_UMAC_TID_NR + 2]; /* 1 non-QoS + 1 dword align */
 	__le16 tx_rate[UMAC_NTF_RATE_SAMPLE_NR];
 	__le16 rx_rate[UMAC_NTF_RATE_SAMPLE_NR];
+	__le32 chain_energy[UMAC_PHY_NUM_CHAINS];
 	s32 rssi_dbm;
 	s32 noise_dbm;
 	__le32 supp_rates;
+	__le32 supp_ht_rates;
 	__le32 missed_beacons;
 	__le32 rx_beacons;
 	__le32 rx_dir_pkts;
-- 
GitLab


From 7eae165e2d7dd32e88a641c0f38b2be840bcae07 Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Fri, 16 Oct 2009 13:18:52 +0800
Subject: [PATCH 0547/1815] iwmc3200wifi: Update fixed size config definitions

We need to be in sync with the latest firmware API.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwmc3200wifi/commands.h | 60 +++++++++++++++++++-
 1 file changed, 58 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/iwmc3200wifi/commands.h b/drivers/net/wireless/iwmc3200wifi/commands.h
index e486f8e8937..511b6e395ac 100644
--- a/drivers/net/wireless/iwmc3200wifi/commands.h
+++ b/drivers/net/wireless/iwmc3200wifi/commands.h
@@ -102,7 +102,6 @@ enum {
 	CFG_SCAN_NUM_PASSIVE_CHAN_PER_PARTIAL_SCAN,
 	CFG_TLC_SUPPORTED_TX_HT_RATES,
 	CFG_TLC_SUPPORTED_TX_RATES,
-	CFG_TLC_VALID_ANTENNA,
 	CFG_TLC_SPATIAL_STREAM_SUPPORTED,
 	CFG_TLC_RETRY_PER_RATE,
 	CFG_TLC_RETRY_PER_HT_RATE,
@@ -136,6 +135,10 @@ enum {
 	CFG_TLC_RENEW_ADDBA_DELAY,
 	CFG_TLC_NUM_OF_MULTISEC_TO_COUN_LOAD,
 	CFG_TLC_IS_STABLE_IN_HT,
+	CFG_TLC_SR_SIC_1ST_FAIL,
+	CFG_TLC_SR_SIC_1ST_PASS,
+	CFG_TLC_SR_SIC_TOTAL_FAIL,
+	CFG_TLC_SR_SIC_TOTAL_PASS,
 	CFG_RLC_CHAIN_CTRL,
 	CFG_TRK_TABLE_OP_MODE,
 	CFG_TRK_TABLE_RSSI_THRESHOLD,
@@ -147,6 +150,58 @@ enum {
 	CFG_MLME_DBG_NOTIF_BLOCK,
 	CFG_BT_OFF_BECONS_INTERVALS,
 	CFG_BT_FRAG_DURATION,
+	CFG_ACTIVE_CHAINS,
+	CFG_CALIB_CTRL,
+	CFG_CAPABILITY_SUPPORTED_HT_RATES,
+	CFG_HT_MAC_PARAM_INFO,
+	CFG_MIMO_PS_MODE,
+	CFG_HT_DEFAULT_CAPABILIES_INFO,
+	CFG_LED_SC_RESOLUTION_FACTOR,
+	CFG_PTAM_ENERGY_CCK_DET_DEFAULT,
+	CFG_PTAM_CORR40_4_TH_ADD_MIN_MRC_DEFAULT,
+	CFG_PTAM_CORR40_4_TH_ADD_MIN_DEFAULT,
+	CFG_PTAM_CORR32_4_TH_ADD_MIN_MRC_DEFAULT,
+	CFG_PTAM_CORR32_4_TH_ADD_MIN_DEFAULT,
+	CFG_PTAM_CORR32_1_TH_ADD_MIN_MRC_DEFAULT,
+	CFG_PTAM_CORR32_1_TH_ADD_MIN_DEFAULT,
+	CFG_PTAM_ENERGY_CCK_DET_MIN_VAL,
+	CFG_PTAM_CORR40_4_TH_ADD_MIN_MRC_MIN_VAL,
+	CFG_PTAM_CORR40_4_TH_ADD_MIN_MIN_VAL,
+	CFG_PTAM_CORR32_4_TH_ADD_MIN_MRC_MIN_VAL,
+	CFG_PTAM_CORR32_4_TH_ADD_MIN_MIN_VAL,
+	CFG_PTAM_CORR32_1_TH_ADD_MIN_MRC_MIN_VAL,
+	CFG_PTAM_CORR32_1_TH_ADD_MIN_MIN_VAL,
+	CFG_PTAM_ENERGY_CCK_DET_MAX_VAL,
+	CFG_PTAM_CORR40_4_TH_ADD_MIN_MRC_MAX_VAL,
+	CFG_PTAM_CORR40_4_TH_ADD_MIN_MAX_VAL,
+	CFG_PTAM_CORR32_4_TH_ADD_MIN_MRC_MAX_VAL,
+	CFG_PTAM_CORR32_4_TH_ADD_MIN_MAX_VAL,
+	CFG_PTAM_CORR32_1_TH_ADD_MIN_MRC_MAX_VAL,
+	CFG_PTAM_CORR32_1_TH_ADD_MIN_MAX_VAL,
+	CFG_PTAM_ENERGY_CCK_DET_STEP_VAL,
+	CFG_PTAM_CORR40_4_TH_ADD_MIN_MRC_STEP_VAL,
+	CFG_PTAM_CORR40_4_TH_ADD_MIN_STEP_VAL,
+	CFG_PTAM_CORR32_4_TH_ADD_MIN_MRC_STEP_VAL,
+	CFG_PTAM_CORR32_4_TH_ADD_MIN_STEP_VAL,
+	CFG_PTAM_CORR32_1_TH_ADD_MIN_MRC_STEP_VAL,
+	CFG_PTAM_CORR32_1_TH_ADD_MIN_STEP_VAL,
+	CFG_PTAM_LINK_SENS_FA_OFDM_MAX,
+	CFG_PTAM_LINK_SENS_FA_OFDM_MIN,
+	CFG_PTAM_LINK_SENS_FA_CCK_MAX,
+	CFG_PTAM_LINK_SENS_FA_CCK_MIN,
+	CFG_PTAM_LINK_SENS_NRG_DIFF,
+	CFG_PTAM_LINK_SENS_NRG_MARGIN,
+	CFG_PTAM_LINK_SENS_MAX_NUMBER_OF_TIMES_IN_CCK_NO_FA,
+	CFG_PTAM_LINK_SENS_AUTO_CORR_MAX_TH_CCK,
+	CFG_AGG_MGG_TID_LOAD_ADDBA_THRESHOLD,
+	CFG_AGG_MGG_TID_LOAD_DELBA_THRESHOLD,
+	CFG_AGG_MGG_ADDBA_BUF_SIZE,
+	CFG_AGG_MGG_ADDBA_INACTIVE_TIMEOUT,
+	CFG_AGG_MGG_ADDBA_DEBUG_FLAGS,
+	CFG_SCAN_PERIODIC_RSSI_HIGH_THRESHOLD,
+	CFG_SCAN_PERIODIC_COEF_RSSI_HIGH,
+	CFG_11D_ENABLED,
+	CFG_11H_FEATURE_FLAGS,
 
 	/* <-- LAST --> */
 	CFG_TBL_FIX_LAST
@@ -155,7 +210,8 @@ enum {
 /* variable size table */
 enum {
 	CFG_NET_ADDR = 0,
-	CFG_PROFILE,
+	CFG_LED_PATTERN_TABLE,
+
 	/* <-- LAST --> */
 	CFG_TBL_VAR_LAST
 };
-- 
GitLab


From 88e6195a911bce85adcc14e8377aa619e8054ab2 Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Fri, 16 Oct 2009 13:18:53 +0800
Subject: [PATCH 0548/1815] iwmc3200wifi: Tx power setting

We can now set the Tx power from e.g. iwconfig.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwmc3200wifi/cfg80211.c | 12 +++++++++++-
 drivers/net/wireless/iwmc3200wifi/commands.c | 13 +++++++++++++
 drivers/net/wireless/iwmc3200wifi/commands.h |  6 ++++++
 3 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwmc3200wifi/cfg80211.c b/drivers/net/wireless/iwmc3200wifi/cfg80211.c
index 89edb662942..af72cc746f1 100644
--- a/drivers/net/wireless/iwmc3200wifi/cfg80211.c
+++ b/drivers/net/wireless/iwmc3200wifi/cfg80211.c
@@ -670,9 +670,19 @@ static int iwm_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
 static int iwm_cfg80211_set_txpower(struct wiphy *wiphy,
 				    enum tx_power_setting type, int dbm)
 {
+	struct iwm_priv *iwm = wiphy_to_iwm(wiphy);
+	int ret;
+
 	switch (type) {
 	case TX_POWER_AUTOMATIC:
 		return 0;
+	case TX_POWER_FIXED:
+		ret = iwm_umac_set_config_fix(iwm, UMAC_PARAM_TBL_CFG_FIX,
+					      CFG_TX_PWR_LIMIT_USR, dbm * 2);
+		if (ret < 0)
+			return ret;
+
+		return iwm_tx_power_trigger(iwm);
 	default:
 		return -EOPNOTSUPP;
 	}
@@ -684,7 +694,7 @@ static int iwm_cfg80211_get_txpower(struct wiphy *wiphy, int *dbm)
 {
 	struct iwm_priv *iwm = wiphy_to_iwm(wiphy);
 
-	*dbm = iwm->txpower;
+	*dbm = iwm->txpower >> 1;
 
 	return 0;
 }
diff --git a/drivers/net/wireless/iwmc3200wifi/commands.c b/drivers/net/wireless/iwmc3200wifi/commands.c
index aeea909992f..d5125b7659a 100644
--- a/drivers/net/wireless/iwmc3200wifi/commands.c
+++ b/drivers/net/wireless/iwmc3200wifi/commands.c
@@ -793,6 +793,19 @@ int iwm_invalidate_mlme_profile(struct iwm_priv *iwm)
 	return ret ? 0 : -EBUSY;
 }
 
+int iwm_tx_power_trigger(struct iwm_priv *iwm)
+{
+	struct iwm_umac_pwr_trigger pwr_trigger;
+
+	pwr_trigger.hdr.oid = UMAC_WIFI_IF_CMD_TX_PWR_TRIGGER;
+	pwr_trigger.hdr.buf_size =
+		cpu_to_le16(sizeof(struct iwm_umac_pwr_trigger) -
+			    sizeof(struct iwm_umac_wifi_if));
+
+
+	return iwm_send_wifi_if_cmd(iwm, &pwr_trigger, sizeof(pwr_trigger), 1);
+}
+
 int iwm_send_umac_stats_req(struct iwm_priv *iwm, u32 flags)
 {
 	struct iwm_udma_wifi_cmd udma_cmd = UDMA_UMAC_INIT;
diff --git a/drivers/net/wireless/iwmc3200wifi/commands.h b/drivers/net/wireless/iwmc3200wifi/commands.h
index 511b6e395ac..b36be2b23a3 100644
--- a/drivers/net/wireless/iwmc3200wifi/commands.h
+++ b/drivers/net/wireless/iwmc3200wifi/commands.h
@@ -441,6 +441,11 @@ struct iwm_umac_tx_key_id {
 	u8 reserved[3];
 } __attribute__ ((packed));
 
+struct iwm_umac_pwr_trigger {
+	struct iwm_umac_wifi_if hdr;
+	__le32 reseved;
+} __attribute__ ((packed));
+
 struct iwm_umac_cmd_stats_req {
 	__le32 flags;
 } __attribute__ ((packed));
@@ -467,6 +472,7 @@ int iwm_invalidate_mlme_profile(struct iwm_priv *iwm);
 int iwm_send_packet(struct iwm_priv *iwm, struct sk_buff *skb, int pool_id);
 int iwm_set_tx_key(struct iwm_priv *iwm, u8 key_idx);
 int iwm_set_key(struct iwm_priv *iwm, bool remove, struct iwm_key *key);
+int iwm_tx_power_trigger(struct iwm_priv *iwm);
 int iwm_send_umac_stats_req(struct iwm_priv *iwm, u32 flags);
 int iwm_send_umac_channel_list(struct iwm_priv *iwm);
 int iwm_scan_ssids(struct iwm_priv *iwm, struct cfg80211_ssid *ssids,
-- 
GitLab


From f96cca8483c1b0bcc8002dc466159bf8fd53ca47 Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Fri, 16 Oct 2009 13:18:54 +0800
Subject: [PATCH 0549/1815] iwmc3200wifi: SDIO disable race fix

When calling sdio->bus_disable(), we are flushing the command lists before
disabling the sdio function. We can thus potentially get a command response
after having flushed the command list.
To avoid that race, we have to call iwm_reset() after disabling the sdio
function.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwmc3200wifi/sdio.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/iwmc3200wifi/sdio.c b/drivers/net/wireless/iwmc3200wifi/sdio.c
index 38026b70a2f..cf86294f719 100644
--- a/drivers/net/wireless/iwmc3200wifi/sdio.c
+++ b/drivers/net/wireless/iwmc3200wifi/sdio.c
@@ -224,8 +224,6 @@ static int if_sdio_disable(struct iwm_priv *iwm)
 	struct iwm_sdio_priv *hw = iwm_to_if_sdio(iwm);
 	int ret;
 
-	iwm_reset(iwm);
-
 	sdio_claim_host(hw->func);
 	sdio_writeb(hw->func, 0, IWM_SDIO_INTR_ENABLE_ADDR, &ret);
 	if (ret < 0)
@@ -237,6 +235,8 @@ static int if_sdio_disable(struct iwm_priv *iwm)
 
 	iwm_sdio_rx_free(hw);
 
+	iwm_reset(iwm);
+
 	IWM_DBG_SDIO(iwm, INFO, "IWM SDIO disable\n");
 
 	return 0;
-- 
GitLab


From 708567e0723f3a217286c2b60805af6de360ec50 Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Fri, 16 Oct 2009 13:18:55 +0800
Subject: [PATCH 0550/1815] iwmc3200wifi: Check for cmd pointer before
 dereferencing it

The wifi_if_wrapper notification handling code uses a cmd pointer without
checking if it's valid or not. We're dereferencing it because we assume that
we only get to that point if there was a pending command for us. That's not
always true, so we'd better check.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwmc3200wifi/rx.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/iwmc3200wifi/rx.c b/drivers/net/wireless/iwmc3200wifi/rx.c
index 225b1d3b273..648f84a8370 100644
--- a/drivers/net/wireless/iwmc3200wifi/rx.c
+++ b/drivers/net/wireless/iwmc3200wifi/rx.c
@@ -1057,8 +1057,14 @@ static int iwm_ntf_wifi_if_wrapper(struct iwm_priv *iwm, u8 *buf,
 				   unsigned long buf_size,
 				   struct iwm_wifi_cmd *cmd)
 {
-	struct iwm_umac_wifi_if *hdr =
-			(struct iwm_umac_wifi_if *)cmd->buf.payload;
+	struct iwm_umac_wifi_if *hdr;
+
+	if (cmd == NULL) {
+		IWM_ERR(iwm, "Couldn't find expected wifi command\n");
+		return -EINVAL;
+	}
+
+	hdr = (struct iwm_umac_wifi_if *)cmd->buf.payload;
 
 	IWM_DBG_NTF(iwm, DBG, "WIFI_IF_WRAPPER cmd is delivered to UMAC: "
 		    "oid is 0x%x\n", hdr->oid);
-- 
GitLab


From 56e3f085f5b5e49cca37a3d1b0aa4266b984eb12 Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Fri, 16 Oct 2009 13:18:56 +0800
Subject: [PATCH 0551/1815] iwmc3200wifi: Do not handle wifi command if the
 interface is not ready

When resetting or bringing the interface down, we should just reject any wifi
related command.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwmc3200wifi/commands.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/wireless/iwmc3200wifi/commands.c b/drivers/net/wireless/iwmc3200wifi/commands.c
index d5125b7659a..25fb8dfd83b 100644
--- a/drivers/net/wireless/iwmc3200wifi/commands.c
+++ b/drivers/net/wireless/iwmc3200wifi/commands.c
@@ -76,6 +76,11 @@ int iwm_send_wifi_if_cmd(struct iwm_priv *iwm, void *payload, u16 payload_size,
 	int ret;
 	u8 oid = hdr->oid;
 
+	if (!test_bit(IWM_STATUS_READY, &iwm->status)) {
+		IWM_ERR(iwm, "Interface is not ready yet");
+		return -EAGAIN;
+	}
+
 	umac_cmd.id = UMAC_CMD_OPCODE_WIFI_IF_WRAPPER;
 	umac_cmd.resp = resp;
 
-- 
GitLab


From 9829e1b510214956bc9d5e278be49d781e1a6fbf Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Fri, 16 Oct 2009 13:18:57 +0800
Subject: [PATCH 0552/1815] iwmc3200wifi: Try shared auth when open WEP fails

When we fail to associate with an open WEP AP, we fall back to shared auth.
This allows us to support joining a shared auth WEP AP with iwconfig.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwmc3200wifi/commands.c |  2 +-
 drivers/net/wireless/iwmc3200wifi/iwm.h      |  1 +
 drivers/net/wireless/iwmc3200wifi/main.c     | 28 ++++++++++++++++++++
 drivers/net/wireless/iwmc3200wifi/rx.c       | 28 ++++++++++++++++----
 4 files changed, 53 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/iwmc3200wifi/commands.c b/drivers/net/wireless/iwmc3200wifi/commands.c
index 25fb8dfd83b..cad511afd90 100644
--- a/drivers/net/wireless/iwmc3200wifi/commands.c
+++ b/drivers/net/wireless/iwmc3200wifi/commands.c
@@ -793,7 +793,7 @@ int iwm_invalidate_mlme_profile(struct iwm_priv *iwm)
 		return ret;
 
 	ret = wait_event_interruptible_timeout(iwm->mlme_queue,
-				(iwm->umac_profile_active == 0), 2 * HZ);
+				(iwm->umac_profile_active == 0), 5 * HZ);
 
 	return ret ? 0 : -EBUSY;
 }
diff --git a/drivers/net/wireless/iwmc3200wifi/iwm.h b/drivers/net/wireless/iwmc3200wifi/iwm.h
index fe0ab80994d..c4a01f2a602 100644
--- a/drivers/net/wireless/iwmc3200wifi/iwm.h
+++ b/drivers/net/wireless/iwmc3200wifi/iwm.h
@@ -285,6 +285,7 @@ struct iwm_priv {
 	u8 *eeprom;
 	struct timer_list watchdog;
 	struct work_struct reset_worker;
+	struct work_struct auth_retry_worker;
 	struct mutex mutex;
 
 	u8 *req_ie;
diff --git a/drivers/net/wireless/iwmc3200wifi/main.c b/drivers/net/wireless/iwmc3200wifi/main.c
index 3147fe7b513..952701e6127 100644
--- a/drivers/net/wireless/iwmc3200wifi/main.c
+++ b/drivers/net/wireless/iwmc3200wifi/main.c
@@ -207,6 +207,33 @@ static void iwm_reset_worker(struct work_struct *work)
 	mutex_unlock(&iwm->mutex);
 }
 
+static void iwm_auth_retry_worker(struct work_struct *work)
+{
+	struct iwm_priv *iwm;
+	int i, ret;
+
+	iwm = container_of(work, struct iwm_priv, auth_retry_worker);
+	if (iwm->umac_profile_active) {
+		ret = iwm_invalidate_mlme_profile(iwm);
+		if (ret < 0)
+			return;
+	}
+
+	iwm->umac_profile->sec.auth_type = UMAC_AUTH_TYPE_LEGACY_PSK;
+
+	ret = iwm_send_mlme_profile(iwm);
+	if (ret < 0)
+		return;
+
+	for (i = 0; i < IWM_NUM_KEYS; i++)
+		if (iwm->keys[i].key_len)
+			iwm_set_key(iwm, 0, &iwm->keys[i]);
+
+	iwm_set_tx_key(iwm, iwm->default_key);
+}
+
+
+
 static void iwm_watchdog(unsigned long data)
 {
 	struct iwm_priv *iwm = (struct iwm_priv *)data;
@@ -240,6 +267,7 @@ int iwm_priv_init(struct iwm_priv *iwm)
 	INIT_DELAYED_WORK(&iwm->disconnect, iwm_disconnect_work);
 	INIT_DELAYED_WORK(&iwm->ct_kill_delay, iwm_ct_kill_work);
 	INIT_WORK(&iwm->reset_worker, iwm_reset_worker);
+	INIT_WORK(&iwm->auth_retry_worker, iwm_auth_retry_worker);
 	INIT_LIST_HEAD(&iwm->bss_list);
 
 	skb_queue_head_init(&iwm->rx_list);
diff --git a/drivers/net/wireless/iwmc3200wifi/rx.c b/drivers/net/wireless/iwmc3200wifi/rx.c
index 648f84a8370..5fa0a63ef0b 100644
--- a/drivers/net/wireless/iwmc3200wifi/rx.c
+++ b/drivers/net/wireless/iwmc3200wifi/rx.c
@@ -501,6 +501,18 @@ static int iwm_mlme_assoc_start(struct iwm_priv *iwm, u8 *buf,
 	return 0;
 }
 
+static u8 iwm_is_open_wep_profile(struct iwm_priv *iwm)
+{
+	if ((iwm->umac_profile->sec.ucast_cipher == UMAC_CIPHER_TYPE_WEP_40 ||
+	     iwm->umac_profile->sec.ucast_cipher == UMAC_CIPHER_TYPE_WEP_104) &&
+	    (iwm->umac_profile->sec.ucast_cipher ==
+	     iwm->umac_profile->sec.mcast_cipher) &&
+	    (iwm->umac_profile->sec.auth_type == UMAC_AUTH_TYPE_OPEN))
+	       return 1;
+
+       return 0;
+}
+
 static int iwm_mlme_assoc_complete(struct iwm_priv *iwm, u8 *buf,
 				   unsigned long buf_size,
 				   struct iwm_wifi_cmd *cmd)
@@ -566,11 +578,17 @@ static int iwm_mlme_assoc_complete(struct iwm_priv *iwm, u8 *buf,
 			goto ibss;
 
 		if (!test_bit(IWM_STATUS_RESETTING, &iwm->status))
-			cfg80211_connect_result(iwm_to_ndev(iwm),
-						complete->bssid,
-						NULL, 0, NULL, 0,
-						WLAN_STATUS_UNSPECIFIED_FAILURE,
-						GFP_KERNEL);
+			if (!iwm_is_open_wep_profile(iwm)) {
+				cfg80211_connect_result(iwm_to_ndev(iwm),
+					       complete->bssid,
+					       NULL, 0, NULL, 0,
+					       WLAN_STATUS_UNSPECIFIED_FAILURE,
+					       GFP_KERNEL);
+			} else {
+				/* Let's try shared WEP auth */
+				IWM_ERR(iwm, "Trying WEP shared auth\n");
+				schedule_work(&iwm->auth_retry_worker);
+			}
 		else
 			cfg80211_disconnected(iwm_to_ndev(iwm), 0, NULL, 0,
 					      GFP_KERNEL);
-- 
GitLab


From 7fd6b12f329b7ec1c1e3ad49d701d2ac7ab42d9e Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Fri, 16 Oct 2009 13:18:58 +0800
Subject: [PATCH 0553/1815] iwmc3200wifi: Support unexpected reboot barker

We can receive unexpected reboot barker at any time, and we're supposed to
reset the whole device then.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwmc3200wifi/rx.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/net/wireless/iwmc3200wifi/rx.c b/drivers/net/wireless/iwmc3200wifi/rx.c
index 5fa0a63ef0b..bca3bb2d2de 100644
--- a/drivers/net/wireless/iwmc3200wifi/rx.c
+++ b/drivers/net/wireless/iwmc3200wifi/rx.c
@@ -1321,6 +1321,14 @@ int iwm_rx_handle(struct iwm_priv *iwm, u8 *buf, unsigned long buf_size)
 
 	switch (le32_to_cpu(hdr->cmd)) {
 	case UMAC_REBOOT_BARKER:
+		if (test_bit(IWM_STATUS_READY, &iwm->status)) {
+			IWM_ERR(iwm, "Unexpected BARKER\n");
+
+			schedule_work(&iwm->reset_worker);
+
+			return 0;
+		}
+
 		return iwm_notif_send(iwm, NULL, IWM_BARKER_REBOOT_NOTIFICATION,
 				      IWM_SRC_UDMA, buf, buf_size);
 	case UMAC_ACK_BARKER:
-- 
GitLab


From 5dc53163c24ad288cfa2369b14a073992e069908 Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Fri, 16 Oct 2009 13:18:59 +0800
Subject: [PATCH 0554/1815] iwmc3200wifi: Set wiphy firmware version

Our wiphy firmware version is a combination of the UMAC and LMAC ones.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwmc3200wifi/fw.c   | 7 +++++++
 drivers/net/wireless/iwmc3200wifi/iwm.h  | 2 ++
 drivers/net/wireless/iwmc3200wifi/main.c | 4 ++++
 3 files changed, 13 insertions(+)

diff --git a/drivers/net/wireless/iwmc3200wifi/fw.c b/drivers/net/wireless/iwmc3200wifi/fw.c
index f02d571b0a1..49067092d33 100644
--- a/drivers/net/wireless/iwmc3200wifi/fw.c
+++ b/drivers/net/wireless/iwmc3200wifi/fw.c
@@ -217,6 +217,13 @@ static int iwm_load_img(struct iwm_priv *iwm, const char *img_name)
 		 IWM_BUILD_YEAR(build_date), IWM_BUILD_MONTH(build_date),
 		 IWM_BUILD_DAY(build_date));
 
+	if (!strcmp(img_name, iwm->bus_ops->umac_name))
+		sprintf(iwm->umac_version, "%02X.%02X",
+			ver->major, ver->minor);
+
+	if (!strcmp(img_name, iwm->bus_ops->lmac_name))
+		sprintf(iwm->lmac_version, "%02X.%02X",
+			ver->major, ver->minor);
 
  err_release_fw:
 	release_firmware(fw);
diff --git a/drivers/net/wireless/iwmc3200wifi/iwm.h b/drivers/net/wireless/iwmc3200wifi/iwm.h
index c4a01f2a602..a9bf6bc97be 100644
--- a/drivers/net/wireless/iwmc3200wifi/iwm.h
+++ b/drivers/net/wireless/iwmc3200wifi/iwm.h
@@ -294,6 +294,8 @@ struct iwm_priv {
 	int resp_ie_len;
 
 	struct iwm_fw_error_hdr *last_fw_err;
+	char umac_version[8];
+	char lmac_version[8];
 
 	char private[0] __attribute__((__aligned__(NETDEV_ALIGN)));
 };
diff --git a/drivers/net/wireless/iwmc3200wifi/main.c b/drivers/net/wireless/iwmc3200wifi/main.c
index 952701e6127..f93e9139b0f 100644
--- a/drivers/net/wireless/iwmc3200wifi/main.c
+++ b/drivers/net/wireless/iwmc3200wifi/main.c
@@ -628,6 +628,7 @@ static int __iwm_up(struct iwm_priv *iwm)
 {
 	int ret;
 	struct iwm_notif *notif_reboot, *notif_ack = NULL;
+	struct wiphy *wiphy = iwm_to_wiphy(iwm);
 
 	ret = iwm_bus_enable(iwm);
 	if (ret) {
@@ -689,6 +690,9 @@ static int __iwm_up(struct iwm_priv *iwm)
 		goto err_disable;
 	}
 
+	snprintf(wiphy->fw_version, sizeof(wiphy->fw_version), "L%s_U%s",
+		 iwm->lmac_version, iwm->umac_version);
+
 	/* We configure the UMAC and enable the wifi module */
 	ret = iwm_send_umac_config(iwm,
 			cpu_to_le32(UMAC_RST_CTRL_FLG_WIFI_CORE_EN) |
-- 
GitLab


From b8fcf590939f0aa24d43bdbdae7c963f31ba90bd Mon Sep 17 00:00:00 2001
From: Zhu Yi <yi.zhu@intel.com>
Date: Fri, 16 Oct 2009 13:19:00 +0800
Subject: [PATCH 0555/1815] iwmc3200wifi: handle coexistence radio notification

Handle WiFi/WiMax coexistence radio preemption notification event.

Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwmc3200wifi/rx.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/drivers/net/wireless/iwmc3200wifi/rx.c b/drivers/net/wireless/iwmc3200wifi/rx.c
index bca3bb2d2de..3ad95dc0dd8 100644
--- a/drivers/net/wireless/iwmc3200wifi/rx.c
+++ b/drivers/net/wireless/iwmc3200wifi/rx.c
@@ -732,6 +732,19 @@ static int iwm_mlme_update_sta_table(struct iwm_priv *iwm, u8 *buf,
 	return 0;
 }
 
+static int iwm_mlme_medium_lost(struct iwm_priv *iwm, u8 *buf,
+				unsigned long buf_size,
+				struct iwm_wifi_cmd *cmd)
+{
+	struct wiphy *wiphy = iwm_to_wiphy(iwm);
+
+	IWM_DBG_NTF(iwm, DBG, "WiFi/WiMax coexistence radio is OFF\n");
+
+	wiphy_rfkill_set_hw_state(wiphy, true);
+
+	return 0;
+}
+
 static int iwm_mlme_update_bss_table(struct iwm_priv *iwm, u8 *buf,
 				     unsigned long buf_size,
 				     struct iwm_wifi_cmd *cmd)
@@ -918,6 +931,8 @@ static int iwm_ntf_mlme(struct iwm_priv *iwm, u8 *buf,
 	case WIFI_IF_NTFY_EXTENDED_IE_REQUIRED:
 		IWM_DBG_MLME(iwm, DBG, "Extended IE required\n");
 		break;
+	case WIFI_IF_NTFY_RADIO_PREEMPTION:
+		return iwm_mlme_medium_lost(iwm, buf, buf_size, cmd);
 	case WIFI_IF_NTFY_BSS_TRK_TABLE_CHANGED:
 		return iwm_mlme_update_bss_table(iwm, buf, buf_size, cmd);
 	case WIFI_IF_NTFY_BSS_TRK_ENTRIES_REMOVED:
-- 
GitLab


From 9e66e701d0e42efd548f0f7249af8a56f8e07b67 Mon Sep 17 00:00:00 2001
From: Holger Schurig <hs4233@mail.mn-solutions.de>
Date: Fri, 16 Oct 2009 17:32:16 +0200
Subject: [PATCH 0556/1815] libertas: cleanup host.h and hostcmd.h

Also remove some unused definitions and make tab usage consistent.

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/cmd.c     |    1 -
 drivers/net/wireless/libertas/cmd.h     |    2 +-
 drivers/net/wireless/libertas/dev.h     |    2 +-
 drivers/net/wireless/libertas/host.h    | 1001 +++++++++++++++++++----
 drivers/net/wireless/libertas/hostcmd.h |  800 ------------------
 drivers/net/wireless/libertas/rx.c      |    2 +-
 drivers/net/wireless/libertas/tx.c      |    2 +-
 7 files changed, 853 insertions(+), 957 deletions(-)
 delete mode 100644 drivers/net/wireless/libertas/hostcmd.h

diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index eb0bce338e5..cced646a884 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -7,7 +7,6 @@
 #include <net/lib80211.h>
 #include <linux/kfifo.h>
 #include "host.h"
-#include "hostcmd.h"
 #include "decl.h"
 #include "defs.h"
 #include "dev.h"
diff --git a/drivers/net/wireless/libertas/cmd.h b/drivers/net/wireless/libertas/cmd.h
index 2730c6aadfd..bf7c421c7a5 100644
--- a/drivers/net/wireless/libertas/cmd.h
+++ b/drivers/net/wireless/libertas/cmd.h
@@ -3,7 +3,7 @@
 #ifndef _LBS_CMD_H_
 #define _LBS_CMD_H_
 
-#include "hostcmd.h"
+#include "host.h"
 #include "dev.h"
 
 /* lbs_cmd() infers the size of the buffer to copy data back into, from
diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
index 8abb28af5af..191ea33de50 100644
--- a/drivers/net/wireless/libertas/dev.h
+++ b/drivers/net/wireless/libertas/dev.h
@@ -12,7 +12,7 @@
 #include <linux/debugfs.h>
 
 #include "defs.h"
-#include "hostcmd.h"
+#include "host.h"
 
 extern const struct ethtool_ops lbs_ethtool_ops;
 
diff --git a/drivers/net/wireless/libertas/host.h b/drivers/net/wireless/libertas/host.h
index c055daabea1..45cd7f1e593 100644
--- a/drivers/net/wireless/libertas/host.h
+++ b/drivers/net/wireless/libertas/host.h
@@ -1,202 +1,189 @@
 /**
-  * This file contains definitions of WLAN commands.
+  * This file function prototypes, data structure
+  * and  definitions for all the host/station commands
   */
 
 #ifndef _LBS_HOST_H_
 #define _LBS_HOST_H_
 
-/** PUBLIC DEFINITIONS */
-#define DEFAULT_AD_HOC_CHANNEL			6
-#define	DEFAULT_AD_HOC_CHANNEL_A		36
+#include "11d.h"
 
-#define CMD_OPTION_WAITFORRSP			0x0002
+#define DEFAULT_AD_HOC_CHANNEL                  6
+
+#define CMD_OPTION_WAITFORRSP                   0x0002
 
 /** Host command IDs */
 
 /* Return command are almost always the same as the host command, but with
  * bit 15 set high.  There are a few exceptions, though...
  */
-#define CMD_RET(cmd)			(0x8000 | cmd)
+#define CMD_RET(cmd)                            (0x8000 | cmd)
 
 /* Return command convention exceptions: */
-#define CMD_RET_802_11_ASSOCIATE		0x8012
+#define CMD_RET_802_11_ASSOCIATE                0x8012
 
 /* Command codes */
-#define CMD_GET_HW_SPEC				0x0003
-#define	CMD_EEPROM_UPDATE			0x0004
-#define CMD_802_11_RESET			0x0005
-#define	CMD_802_11_SCAN				0x0006
-#define CMD_802_11_GET_LOG			0x000b
-#define CMD_MAC_MULTICAST_ADR			0x0010
-#define CMD_802_11_AUTHENTICATE			0x0011
-#define CMD_802_11_EEPROM_ACCESS		0x0059
-#define CMD_802_11_ASSOCIATE			0x0050
-#define CMD_802_11_SET_WEP			0x0013
-#define CMD_802_11_GET_STAT			0x0014
-#define CMD_802_3_GET_STAT			0x0015
-#define CMD_802_11_SNMP_MIB			0x0016
-#define CMD_MAC_REG_MAP				0x0017
-#define CMD_BBP_REG_MAP				0x0018
-#define CMD_MAC_REG_ACCESS			0x0019
-#define CMD_BBP_REG_ACCESS			0x001a
-#define CMD_RF_REG_ACCESS			0x001b
-#define CMD_802_11_RADIO_CONTROL		0x001c
-#define CMD_802_11_RF_CHANNEL			0x001d
-#define CMD_802_11_RF_TX_POWER			0x001e
-#define CMD_802_11_RSSI				0x001f
-#define CMD_802_11_RF_ANTENNA			0x0020
-#define CMD_802_11_PS_MODE			0x0021
-#define CMD_802_11_DATA_RATE			0x0022
-#define CMD_RF_REG_MAP				0x0023
-#define CMD_802_11_DEAUTHENTICATE		0x0024
-#define CMD_802_11_REASSOCIATE			0x0025
-#define CMD_MAC_CONTROL				0x0028
-#define CMD_802_11_AD_HOC_START			0x002b
-#define CMD_802_11_AD_HOC_JOIN			0x002c
-#define CMD_802_11_QUERY_TKIP_REPLY_CNTRS	0x002e
-#define CMD_802_11_ENABLE_RSN			0x002f
-#define CMD_802_11_SET_AFC			0x003c
-#define CMD_802_11_GET_AFC			0x003d
-#define CMD_802_11_DEEP_SLEEP                  0x003e
-#define CMD_802_11_AD_HOC_STOP			0x0040
-#define CMD_802_11_HOST_SLEEP_CFG		0x0043
-#define CMD_802_11_WAKEUP_CONFIRM		0x0044
-#define CMD_802_11_HOST_SLEEP_ACTIVATE		0x0045
-#define CMD_802_11_BEACON_STOP			0x0049
-#define CMD_802_11_MAC_ADDRESS			0x004d
-#define CMD_802_11_LED_GPIO_CTRL		0x004e
-#define CMD_802_11_EEPROM_ACCESS		0x0059
-#define CMD_802_11_BAND_CONFIG			0x0058
-#define CMD_GSPI_BUS_CONFIG			0x005a
-#define CMD_802_11D_DOMAIN_INFO			0x005b
-#define CMD_802_11_KEY_MATERIAL			0x005e
-#define CMD_802_11_SLEEP_PARAMS			0x0066
-#define CMD_802_11_INACTIVITY_TIMEOUT		0x0067
-#define CMD_802_11_SLEEP_PERIOD			0x0068
-#define CMD_802_11_TPC_CFG			0x0072
-#define CMD_802_11_PA_CFG			0x0073
-#define CMD_802_11_FW_WAKE_METHOD		0x0074
-#define CMD_802_11_SUBSCRIBE_EVENT		0x0075
-#define CMD_802_11_RATE_ADAPT_RATESET		0x0076
-#define CMD_802_11_TX_RATE_QUERY		0x007f
-#define	CMD_GET_TSF				0x0080
-#define CMD_BT_ACCESS				0x0087
-#define CMD_FWT_ACCESS				0x0095
-#define CMD_802_11_MONITOR_MODE			0x0098
-#define CMD_MESH_ACCESS				0x009b
-#define CMD_MESH_CONFIG_OLD			0x00a3
-#define CMD_MESH_CONFIG				0x00ac
-#define	CMD_SET_BOOT2_VER			0x00a5
-#define	CMD_FUNC_INIT				0x00a9
-#define	CMD_FUNC_SHUTDOWN			0x00aa
-#define CMD_802_11_BEACON_CTRL			0x00b0
+#define CMD_GET_HW_SPEC                         0x0003
+#define CMD_EEPROM_UPDATE                       0x0004
+#define CMD_802_11_RESET                        0x0005
+#define CMD_802_11_SCAN                         0x0006
+#define CMD_802_11_GET_LOG                      0x000b
+#define CMD_MAC_MULTICAST_ADR                   0x0010
+#define CMD_802_11_AUTHENTICATE                 0x0011
+#define CMD_802_11_EEPROM_ACCESS                0x0059
+#define CMD_802_11_ASSOCIATE                    0x0050
+#define CMD_802_11_SET_WEP                      0x0013
+#define CMD_802_11_GET_STAT                     0x0014
+#define CMD_802_3_GET_STAT                      0x0015
+#define CMD_802_11_SNMP_MIB                     0x0016
+#define CMD_MAC_REG_MAP                         0x0017
+#define CMD_BBP_REG_MAP                         0x0018
+#define CMD_MAC_REG_ACCESS                      0x0019
+#define CMD_BBP_REG_ACCESS                      0x001a
+#define CMD_RF_REG_ACCESS                       0x001b
+#define CMD_802_11_RADIO_CONTROL                0x001c
+#define CMD_802_11_RF_CHANNEL                   0x001d
+#define CMD_802_11_RF_TX_POWER                  0x001e
+#define CMD_802_11_RSSI                         0x001f
+#define CMD_802_11_RF_ANTENNA                   0x0020
+#define CMD_802_11_PS_MODE                      0x0021
+#define CMD_802_11_DATA_RATE                    0x0022
+#define CMD_RF_REG_MAP                          0x0023
+#define CMD_802_11_DEAUTHENTICATE               0x0024
+#define CMD_802_11_REASSOCIATE                  0x0025
+#define CMD_MAC_CONTROL                         0x0028
+#define CMD_802_11_AD_HOC_START                 0x002b
+#define CMD_802_11_AD_HOC_JOIN                  0x002c
+#define CMD_802_11_QUERY_TKIP_REPLY_CNTRS       0x002e
+#define CMD_802_11_ENABLE_RSN                   0x002f
+#define CMD_802_11_SET_AFC                      0x003c
+#define CMD_802_11_GET_AFC                      0x003d
+#define CMD_802_11_DEEP_SLEEP                   0x003e
+#define CMD_802_11_AD_HOC_STOP                  0x0040
+#define CMD_802_11_HOST_SLEEP_CFG               0x0043
+#define CMD_802_11_WAKEUP_CONFIRM               0x0044
+#define CMD_802_11_HOST_SLEEP_ACTIVATE          0x0045
+#define CMD_802_11_BEACON_STOP                  0x0049
+#define CMD_802_11_MAC_ADDRESS                  0x004d
+#define CMD_802_11_LED_GPIO_CTRL                0x004e
+#define CMD_802_11_EEPROM_ACCESS                0x0059
+#define CMD_802_11_BAND_CONFIG                  0x0058
+#define CMD_GSPI_BUS_CONFIG                     0x005a
+#define CMD_802_11D_DOMAIN_INFO                 0x005b
+#define CMD_802_11_KEY_MATERIAL                 0x005e
+#define CMD_802_11_SLEEP_PARAMS                 0x0066
+#define CMD_802_11_INACTIVITY_TIMEOUT           0x0067
+#define CMD_802_11_SLEEP_PERIOD                 0x0068
+#define CMD_802_11_TPC_CFG                      0x0072
+#define CMD_802_11_PA_CFG                       0x0073
+#define CMD_802_11_FW_WAKE_METHOD               0x0074
+#define CMD_802_11_SUBSCRIBE_EVENT              0x0075
+#define CMD_802_11_RATE_ADAPT_RATESET           0x0076
+#define CMD_802_11_TX_RATE_QUERY                0x007f
+#define CMD_GET_TSF                             0x0080
+#define CMD_BT_ACCESS                           0x0087
+#define CMD_FWT_ACCESS                          0x0095
+#define CMD_802_11_MONITOR_MODE                 0x0098
+#define CMD_MESH_ACCESS                         0x009b
+#define CMD_MESH_CONFIG_OLD                     0x00a3
+#define CMD_MESH_CONFIG                         0x00ac
+#define CMD_SET_BOOT2_VER                       0x00a5
+#define CMD_FUNC_INIT                           0x00a9
+#define CMD_FUNC_SHUTDOWN                       0x00aa
+#define CMD_802_11_BEACON_CTRL                  0x00b0
 
 /* For the IEEE Power Save */
-#define CMD_SUBCMD_ENTER_PS		0x0030
-#define CMD_SUBCMD_EXIT_PS		0x0031
-#define CMD_SUBCMD_SLEEP_CONFIRMED	0x0034
-#define CMD_SUBCMD_FULL_POWERDOWN	0x0035
-#define CMD_SUBCMD_FULL_POWERUP		0x0036
+#define CMD_SUBCMD_ENTER_PS                     0x0030
+#define CMD_SUBCMD_EXIT_PS                      0x0031
+#define CMD_SUBCMD_SLEEP_CONFIRMED              0x0034
+#define CMD_SUBCMD_FULL_POWERDOWN               0x0035
+#define CMD_SUBCMD_FULL_POWERUP                 0x0036
 
-#define CMD_ENABLE_RSN			0x0001
-#define CMD_DISABLE_RSN			0x0000
+#define CMD_ENABLE_RSN                          0x0001
+#define CMD_DISABLE_RSN                         0x0000
 
-#define CMD_ACT_GET			0x0000
-#define CMD_ACT_SET			0x0001
-#define CMD_ACT_GET_AES			0x0002
-#define CMD_ACT_SET_AES			0x0003
-#define CMD_ACT_REMOVE_AES		0x0004
+#define CMD_ACT_GET                             0x0000
+#define CMD_ACT_SET                             0x0001
 
 /* Define action or option for CMD_802_11_SET_WEP */
-#define CMD_ACT_ADD			0x0002
-#define CMD_ACT_REMOVE			0x0004
-#define CMD_ACT_USE_DEFAULT		0x0008
-
-#define CMD_TYPE_WEP_40_BIT		0x01
-#define CMD_TYPE_WEP_104_BIT		0x02
+#define CMD_ACT_ADD                             0x0002
+#define CMD_ACT_REMOVE                          0x0004
 
-#define CMD_NUM_OF_WEP_KEYS		4
+#define CMD_TYPE_WEP_40_BIT                     0x01
+#define CMD_TYPE_WEP_104_BIT                    0x02
 
-#define CMD_WEP_KEY_INDEX_MASK		0x3fff
+#define CMD_NUM_OF_WEP_KEYS                     4
 
-/* Define action or option for CMD_802_11_RESET */
-#define CMD_ACT_HALT			0x0003
+#define CMD_WEP_KEY_INDEX_MASK                  0x3fff
 
 /* Define action or option for CMD_802_11_SCAN */
-#define CMD_BSS_TYPE_BSS		0x0001
-#define CMD_BSS_TYPE_IBSS		0x0002
-#define CMD_BSS_TYPE_ANY		0x0003
+#define CMD_BSS_TYPE_BSS                        0x0001
+#define CMD_BSS_TYPE_IBSS                       0x0002
+#define CMD_BSS_TYPE_ANY                        0x0003
 
 /* Define action or option for CMD_802_11_SCAN */
-#define CMD_SCAN_TYPE_ACTIVE		0x0000
-#define CMD_SCAN_TYPE_PASSIVE		0x0001
+#define CMD_SCAN_TYPE_ACTIVE                    0x0000
+#define CMD_SCAN_TYPE_PASSIVE                   0x0001
 
-#define CMD_SCAN_RADIO_TYPE_BG		0
+#define CMD_SCAN_RADIO_TYPE_BG                  0
 
-#define	CMD_SCAN_PROBE_DELAY_TIME	0
+#define CMD_SCAN_PROBE_DELAY_TIME               0
 
 /* Define action or option for CMD_MAC_CONTROL */
-#define CMD_ACT_MAC_RX_ON			0x0001
-#define CMD_ACT_MAC_TX_ON			0x0002
-#define CMD_ACT_MAC_LOOPBACK_ON			0x0004
-#define CMD_ACT_MAC_WEP_ENABLE			0x0008
-#define CMD_ACT_MAC_INT_ENABLE			0x0010
-#define CMD_ACT_MAC_MULTICAST_ENABLE		0x0020
-#define CMD_ACT_MAC_BROADCAST_ENABLE		0x0040
-#define CMD_ACT_MAC_PROMISCUOUS_ENABLE		0x0080
-#define CMD_ACT_MAC_ALL_MULTICAST_ENABLE	0x0100
-#define CMD_ACT_MAC_STRICT_PROTECTION_ENABLE	0x0400
+#define CMD_ACT_MAC_RX_ON                       0x0001
+#define CMD_ACT_MAC_TX_ON                       0x0002
+#define CMD_ACT_MAC_LOOPBACK_ON                 0x0004
+#define CMD_ACT_MAC_WEP_ENABLE                  0x0008
+#define CMD_ACT_MAC_INT_ENABLE                  0x0010
+#define CMD_ACT_MAC_MULTICAST_ENABLE            0x0020
+#define CMD_ACT_MAC_BROADCAST_ENABLE            0x0040
+#define CMD_ACT_MAC_PROMISCUOUS_ENABLE          0x0080
+#define CMD_ACT_MAC_ALL_MULTICAST_ENABLE        0x0100
+#define CMD_ACT_MAC_STRICT_PROTECTION_ENABLE    0x0400
 
 /* Event flags for CMD_802_11_SUBSCRIBE_EVENT */
-#define CMD_SUBSCRIBE_RSSI_LOW		0x0001
-#define CMD_SUBSCRIBE_SNR_LOW		0x0002
-#define CMD_SUBSCRIBE_FAILCOUNT		0x0004
-#define CMD_SUBSCRIBE_BCNMISS		0x0008
-#define CMD_SUBSCRIBE_RSSI_HIGH		0x0010
-#define CMD_SUBSCRIBE_SNR_HIGH		0x0020
+#define CMD_SUBSCRIBE_RSSI_LOW                  0x0001
+#define CMD_SUBSCRIBE_SNR_LOW                   0x0002
+#define CMD_SUBSCRIBE_FAILCOUNT                 0x0004
+#define CMD_SUBSCRIBE_BCNMISS                   0x0008
+#define CMD_SUBSCRIBE_RSSI_HIGH                 0x0010
+#define CMD_SUBSCRIBE_SNR_HIGH                  0x0020
 
-#define RADIO_PREAMBLE_LONG	0x00
-#define RADIO_PREAMBLE_SHORT	0x02
-#define RADIO_PREAMBLE_AUTO	0x04
+#define RADIO_PREAMBLE_LONG                     0x00
+#define RADIO_PREAMBLE_SHORT                    0x02
+#define RADIO_PREAMBLE_AUTO                     0x04
 
 /* Define action or option for CMD_802_11_RF_CHANNEL */
-#define CMD_OPT_802_11_RF_CHANNEL_GET	0x00
-#define CMD_OPT_802_11_RF_CHANNEL_SET	0x01
+#define CMD_OPT_802_11_RF_CHANNEL_GET           0x00
+#define CMD_OPT_802_11_RF_CHANNEL_SET           0x01
 
 /* Define action or option for CMD_802_11_DATA_RATE */
-#define CMD_ACT_SET_TX_AUTO		0x0000
-#define CMD_ACT_SET_TX_FIX_RATE		0x0001
-#define CMD_ACT_GET_TX_RATE		0x0002
-
-#define CMD_ACT_SET_RX			0x0001
-#define	CMD_ACT_SET_TX			0x0002
-#define CMD_ACT_SET_BOTH		0x0003
-#define	CMD_ACT_GET_RX			0x0004
-#define CMD_ACT_GET_TX			0x0008
-#define	CMD_ACT_GET_BOTH		0x000c
+#define CMD_ACT_SET_TX_AUTO                     0x0000
+#define CMD_ACT_SET_TX_FIX_RATE                 0x0001
+#define CMD_ACT_GET_TX_RATE                     0x0002
 
 /* Define action or option for CMD_802_11_PS_MODE */
-#define CMD_TYPE_CAM			0x0000
-#define	CMD_TYPE_MAX_PSP		0x0001
-#define CMD_TYPE_FAST_PSP		0x0002
+#define CMD_TYPE_CAM                            0x0000
+#define CMD_TYPE_MAX_PSP                        0x0001
+#define CMD_TYPE_FAST_PSP                       0x0002
 
 /* Options for CMD_802_11_FW_WAKE_METHOD */
-#define CMD_WAKE_METHOD_UNCHANGED	0x0000
-#define CMD_WAKE_METHOD_COMMAND_INT	0x0001
-#define CMD_WAKE_METHOD_GPIO		0x0002
+#define CMD_WAKE_METHOD_UNCHANGED               0x0000
+#define CMD_WAKE_METHOD_COMMAND_INT             0x0001
+#define CMD_WAKE_METHOD_GPIO                    0x0002
 
 /* Object IDs for CMD_802_11_SNMP_MIB */
-#define SNMP_MIB_OID_BSS_TYPE		0x0000
-#define SNMP_MIB_OID_OP_RATE_SET	0x0001
-#define SNMP_MIB_OID_BEACON_PERIOD	0x0002  /* Reserved on v9+ */
-#define SNMP_MIB_OID_DTIM_PERIOD	0x0003  /* Reserved on v9+ */
-#define SNMP_MIB_OID_ASSOC_TIMEOUT	0x0004  /* Reserved on v9+ */
-#define SNMP_MIB_OID_RTS_THRESHOLD	0x0005
-#define SNMP_MIB_OID_SHORT_RETRY_LIMIT	0x0006
-#define SNMP_MIB_OID_LONG_RETRY_LIMIT	0x0007
-#define SNMP_MIB_OID_FRAG_THRESHOLD	0x0008
-#define SNMP_MIB_OID_11D_ENABLE		0x0009
-#define SNMP_MIB_OID_11H_ENABLE		0x000A
+#define SNMP_MIB_OID_BSS_TYPE                   0x0000
+#define SNMP_MIB_OID_OP_RATE_SET                0x0001
+#define SNMP_MIB_OID_BEACON_PERIOD              0x0002  /* Reserved on v9+ */
+#define SNMP_MIB_OID_DTIM_PERIOD                0x0003  /* Reserved on v9+ */
+#define SNMP_MIB_OID_ASSOC_TIMEOUT              0x0004  /* Reserved on v9+ */
+#define SNMP_MIB_OID_RTS_THRESHOLD              0x0005
+#define SNMP_MIB_OID_SHORT_RETRY_LIMIT          0x0006
+#define SNMP_MIB_OID_LONG_RETRY_LIMIT           0x0007
+#define SNMP_MIB_OID_FRAG_THRESHOLD             0x0008
+#define SNMP_MIB_OID_11D_ENABLE                 0x0009
+#define SNMP_MIB_OID_11H_ENABLE                 0x000A
 
 /* Define action or option for CMD_BT_ACCESS */
 enum cmd_bt_access_opts {
@@ -303,4 +290,714 @@ enum cmd_mesh_config_types {
 #define MACREG_INT_CODE_MESH_AUTO_STARTED	35
 #define MACREG_INT_CODE_FIRMWARE_READY		48
 
+
+/* 802.11-related definitions */
+
+/* TxPD descriptor */
+struct txpd {
+	/* union to cope up with later FW revisions */
+	union {
+		/* Current Tx packet status */
+		__le32 tx_status;
+		struct {
+			/* BSS type: client, AP, etc. */
+			u8 bss_type;
+			/* BSS number */
+			u8 bss_num;
+			/* Reserved */
+			__le16 reserved;
+		} bss;
+	} u;
+	/* Tx control */
+	__le32 tx_control;
+	__le32 tx_packet_location;
+	/* Tx packet length */
+	__le16 tx_packet_length;
+	/* First 2 byte of destination MAC address */
+	u8 tx_dest_addr_high[2];
+	/* Last 4 byte of destination MAC address */
+	u8 tx_dest_addr_low[4];
+	/* Pkt Priority */
+	u8 priority;
+	/* Pkt Trasnit Power control */
+	u8 powermgmt;
+	/* Amount of time the packet has been queued (units = 2ms) */
+	u8 pktdelay_2ms;
+	/* reserved */
+	u8 reserved1;
+} __attribute__ ((packed));
+
+/* RxPD Descriptor */
+struct rxpd {
+	/* union to cope up with later FW revisions */
+	union {
+		/* Current Rx packet status */
+		__le16 status;
+		struct {
+			/* BSS type: client, AP, etc. */
+			u8 bss_type;
+			/* BSS number */
+			u8 bss_num;
+		} __attribute__ ((packed)) bss;
+	} __attribute__ ((packed)) u;
+
+	/* SNR */
+	u8 snr;
+
+	/* Tx control */
+	u8 rx_control;
+
+	/* Pkt length */
+	__le16 pkt_len;
+
+	/* Noise Floor */
+	u8 nf;
+
+	/* Rx Packet Rate */
+	u8 rx_rate;
+
+	/* Pkt addr */
+	__le32 pkt_ptr;
+
+	/* Next Rx RxPD addr */
+	__le32 next_rxpd_ptr;
+
+	/* Pkt Priority */
+	u8 priority;
+	u8 reserved[3];
+} __attribute__ ((packed));
+
+struct cmd_header {
+	__le16 command;
+	__le16 size;
+	__le16 seqnum;
+	__le16 result;
+} __attribute__ ((packed));
+
+struct cmd_ctrl_node {
+	struct list_head list;
+	int result;
+	/* command response */
+	int (*callback)(struct lbs_private *,
+			unsigned long,
+			struct cmd_header *);
+	unsigned long callback_arg;
+	/* command data */
+	struct cmd_header *cmdbuf;
+	/* wait queue */
+	u16 cmdwaitqwoken;
+	wait_queue_head_t cmdwait_q;
+};
+
+/* Generic structure to hold all key types. */
+struct enc_key {
+	u16 len;
+	u16 flags;  /* KEY_INFO_* from defs.h */
+	u16 type; /* KEY_TYPE_* from defs.h */
+	u8 key[32];
+};
+
+/* lbs_offset_value */
+struct lbs_offset_value {
+	u32 offset;
+	u32 value;
+} __attribute__ ((packed));
+
+/* Define general data structure */
+/* cmd_DS_GEN */
+struct cmd_ds_gen {
+	__le16 command;
+	__le16 size;
+	__le16 seqnum;
+	__le16 result;
+	void *cmdresp[0];
+} __attribute__ ((packed));
+
+#define S_DS_GEN sizeof(struct cmd_ds_gen)
+
+
+/*
+ * Define data structure for CMD_GET_HW_SPEC
+ * This structure defines the response for the GET_HW_SPEC command
+ */
+struct cmd_ds_get_hw_spec {
+	struct cmd_header hdr;
+
+	/* HW Interface version number */
+	__le16 hwifversion;
+	/* HW version number */
+	__le16 version;
+	/* Max number of TxPD FW can handle */
+	__le16 nr_txpd;
+	/* Max no of Multicast address */
+	__le16 nr_mcast_adr;
+	/* MAC address */
+	u8 permanentaddr[6];
+
+	/* region Code */
+	__le16 regioncode;
+
+	/* Number of antenna used */
+	__le16 nr_antenna;
+
+	/* FW release number, example 0x01030304 = 2.3.4p1 */
+	__le32 fwrelease;
+
+	/* Base Address of TxPD queue */
+	__le32 wcb_base;
+	/* Read Pointer of RxPd queue */
+	__le32 rxpd_rdptr;
+
+	/* Write Pointer of RxPd queue */
+	__le32 rxpd_wrptr;
+
+	/*FW/HW capability */
+	__le32 fwcapinfo;
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11_subscribe_event {
+	struct cmd_header hdr;
+
+	__le16 action;
+	__le16 events;
+
+	/* A TLV to the CMD_802_11_SUBSCRIBE_EVENT command can contain a
+	 * number of TLVs. From the v5.1 manual, those TLVs would add up to
+	 * 40 bytes. However, future firmware might add additional TLVs, so I
+	 * bump this up a bit.
+	 */
+	uint8_t tlv[128];
+} __attribute__ ((packed));
+
+/*
+ * This scan handle Country Information IE(802.11d compliant)
+ * Define data structure for CMD_802_11_SCAN
+ */
+struct cmd_ds_802_11_scan {
+	struct cmd_header hdr;
+
+	uint8_t bsstype;
+	uint8_t bssid[ETH_ALEN];
+	uint8_t tlvbuffer[0];
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11_scan_rsp {
+	struct cmd_header hdr;
+
+	__le16 bssdescriptsize;
+	uint8_t nr_sets;
+	uint8_t bssdesc_and_tlvbuffer[0];
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11_get_log {
+	struct cmd_header hdr;
+
+	__le32 mcasttxframe;
+	__le32 failed;
+	__le32 retry;
+	__le32 multiretry;
+	__le32 framedup;
+	__le32 rtssuccess;
+	__le32 rtsfailure;
+	__le32 ackfailure;
+	__le32 rxfrag;
+	__le32 mcastrxframe;
+	__le32 fcserror;
+	__le32 txframe;
+	__le32 wepundecryptable;
+} __attribute__ ((packed));
+
+struct cmd_ds_mac_control {
+	struct cmd_header hdr;
+	__le16 action;
+	u16 reserved;
+} __attribute__ ((packed));
+
+struct cmd_ds_mac_multicast_adr {
+	struct cmd_header hdr;
+	__le16 action;
+	__le16 nr_of_adrs;
+	u8 maclist[ETH_ALEN * MRVDRV_MAX_MULTICAST_LIST_SIZE];
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11_authenticate {
+	struct cmd_header hdr;
+
+	u8 bssid[ETH_ALEN];
+	u8 authtype;
+	u8 reserved[10];
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11_deauthenticate {
+	struct cmd_header hdr;
+
+	u8 macaddr[ETH_ALEN];
+	__le16 reasoncode;
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11_associate {
+	struct cmd_header hdr;
+
+	u8 bssid[6];
+	__le16 capability;
+	__le16 listeninterval;
+	__le16 bcnperiod;
+	u8 dtimperiod;
+	u8 iebuf[512];    /* Enough for required and most optional IEs */
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11_associate_response {
+	struct cmd_header hdr;
+
+	__le16 capability;
+	__le16 statuscode;
+	__le16 aid;
+	u8 iebuf[512];
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11_set_wep {
+	struct cmd_header hdr;
+
+	/* ACT_ADD, ACT_REMOVE or ACT_ENABLE */
+	__le16 action;
+
+	/* key Index selected for Tx */
+	__le16 keyindex;
+
+	/* 40, 128bit or TXWEP */
+	uint8_t keytype[4];
+	uint8_t keymaterial[4][16];
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11_snmp_mib {
+	struct cmd_header hdr;
+
+	__le16 action;
+	__le16 oid;
+	__le16 bufsize;
+	u8 value[128];
+} __attribute__ ((packed));
+
+struct cmd_ds_mac_reg_access {
+	__le16 action;
+	__le16 offset;
+	__le32 value;
+} __attribute__ ((packed));
+
+struct cmd_ds_bbp_reg_access {
+	__le16 action;
+	__le16 offset;
+	u8 value;
+	u8 reserved[3];
+} __attribute__ ((packed));
+
+struct cmd_ds_rf_reg_access {
+	__le16 action;
+	__le16 offset;
+	u8 value;
+	u8 reserved[3];
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11_radio_control {
+	struct cmd_header hdr;
+
+	__le16 action;
+	__le16 control;
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11_beacon_control {
+	__le16 action;
+	__le16 beacon_enable;
+	__le16 beacon_period;
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11_sleep_params {
+	struct cmd_header hdr;
+
+	/* ACT_GET/ACT_SET */
+	__le16 action;
+
+	/* Sleep clock error in ppm */
+	__le16 error;
+
+	/* Wakeup offset in usec */
+	__le16 offset;
+
+	/* Clock stabilization time in usec */
+	__le16 stabletime;
+
+	/* control periodic calibration */
+	uint8_t calcontrol;
+
+	/* control the use of external sleep clock */
+	uint8_t externalsleepclk;
+
+	/* reserved field, should be set to zero */
+	__le16 reserved;
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11_inactivity_timeout {
+	struct cmd_header hdr;
+
+	/* ACT_GET/ACT_SET */
+	__le16 action;
+
+	/* Inactivity timeout in msec */
+	__le16 timeout;
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11_rf_channel {
+	struct cmd_header hdr;
+
+	__le16 action;
+	__le16 channel;
+	__le16 rftype;      /* unused */
+	__le16 reserved;    /* unused */
+	u8 channellist[32]; /* unused */
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11_rssi {
+	/* weighting factor */
+	__le16 N;
+
+	__le16 reserved_0;
+	__le16 reserved_1;
+	__le16 reserved_2;
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11_rssi_rsp {
+	__le16 SNR;
+	__le16 noisefloor;
+	__le16 avgSNR;
+	__le16 avgnoisefloor;
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11_mac_address {
+	struct cmd_header hdr;
+
+	__le16 action;
+	u8 macadd[ETH_ALEN];
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11_rf_tx_power {
+	struct cmd_header hdr;
+
+	__le16 action;
+	__le16 curlevel;
+	s8 maxlevel;
+	s8 minlevel;
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11_monitor_mode {
+	__le16 action;
+	__le16 mode;
+} __attribute__ ((packed));
+
+struct cmd_ds_set_boot2_ver {
+	struct cmd_header hdr;
+
+	__le16 action;
+	__le16 version;
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11_fw_wake_method {
+	struct cmd_header hdr;
+
+	__le16 action;
+	__le16 method;
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11_ps_mode {
+	__le16 action;
+	__le16 nullpktinterval;
+	__le16 multipledtim;
+	__le16 reserved;
+	__le16 locallisteninterval;
+} __attribute__ ((packed));
+
+struct cmd_confirm_sleep {
+	struct cmd_header hdr;
+
+	__le16 action;
+	__le16 nullpktinterval;
+	__le16 multipledtim;
+	__le16 reserved;
+	__le16 locallisteninterval;
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11_data_rate {
+	struct cmd_header hdr;
+
+	__le16 action;
+	__le16 reserved;
+	u8 rates[MAX_RATES];
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11_rate_adapt_rateset {
+	struct cmd_header hdr;
+	__le16 action;
+	__le16 enablehwauto;
+	__le16 bitmap;
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11_ad_hoc_start {
+	struct cmd_header hdr;
+
+	u8 ssid[IW_ESSID_MAX_SIZE];
+	u8 bsstype;
+	__le16 beaconperiod;
+	u8 dtimperiod;   /* Reserved on v9 and later */
+	struct ieee_ie_ibss_param_set ibss;
+	u8 reserved1[4];
+	struct ieee_ie_ds_param_set ds;
+	u8 reserved2[4];
+	__le16 probedelay;  /* Reserved on v9 and later */
+	__le16 capability;
+	u8 rates[MAX_RATES];
+	u8 tlv_memory_size_pad[100];
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11_ad_hoc_result {
+	struct cmd_header hdr;
+
+	u8 pad[3];
+	u8 bssid[ETH_ALEN];
+} __attribute__ ((packed));
+
+struct adhoc_bssdesc {
+	u8 bssid[ETH_ALEN];
+	u8 ssid[IW_ESSID_MAX_SIZE];
+	u8 type;
+	__le16 beaconperiod;
+	u8 dtimperiod;
+	__le64 timestamp;
+	__le64 localtime;
+	struct ieee_ie_ds_param_set ds;
+	u8 reserved1[4];
+	struct ieee_ie_ibss_param_set ibss;
+	u8 reserved2[4];
+	__le16 capability;
+	u8 rates[MAX_RATES];
+
+	/* DO NOT ADD ANY FIELDS TO THIS STRUCTURE. It is used below in the
+	 * Adhoc join command and will cause a binary layout mismatch with
+	 * the firmware
+	 */
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11_ad_hoc_join {
+	struct cmd_header hdr;
+
+	struct adhoc_bssdesc bss;
+	__le16 failtimeout;   /* Reserved on v9 and later */
+	__le16 probedelay;    /* Reserved on v9 and later */
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11_ad_hoc_stop {
+	struct cmd_header hdr;
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11_enable_rsn {
+	struct cmd_header hdr;
+
+	__le16 action;
+	__le16 enable;
+} __attribute__ ((packed));
+
+struct MrvlIEtype_keyParamSet {
+	/* type ID */
+	__le16 type;
+
+	/* length of Payload */
+	__le16 length;
+
+	/* type of key: WEP=0, TKIP=1, AES=2 */
+	__le16 keytypeid;
+
+	/* key control Info specific to a keytypeid */
+	__le16 keyinfo;
+
+	/* length of key */
+	__le16 keylen;
+
+	/* key material of size keylen */
+	u8 key[32];
+} __attribute__ ((packed));
+
+#define MAX_WOL_RULES 		16
+
+struct host_wol_rule {
+	uint8_t rule_no;
+	uint8_t rule_ops;
+	__le16 sig_offset;
+	__le16 sig_length;
+	__le16 reserve;
+	__be32 sig_mask;
+	__be32 signature;
+} __attribute__ ((packed));
+
+struct wol_config {
+	uint8_t action;
+	uint8_t pattern;
+	uint8_t no_rules_in_cmd;
+	uint8_t result;
+	struct host_wol_rule rule[MAX_WOL_RULES];
+} __attribute__ ((packed));
+
+struct cmd_ds_host_sleep {
+	struct cmd_header hdr;
+	__le32 criteria;
+	uint8_t gpio;
+	uint16_t gap;
+	struct wol_config wol_conf;
+} __attribute__ ((packed));
+
+
+
+struct cmd_ds_802_11_key_material {
+	struct cmd_header hdr;
+
+	__le16 action;
+	struct MrvlIEtype_keyParamSet keyParamSet[2];
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11_eeprom_access {
+	struct cmd_header hdr;
+	__le16 action;
+	__le16 offset;
+	__le16 len;
+	/* firmware says it returns a maximum of 20 bytes */
+#define LBS_EEPROM_READ_LEN 20
+	u8 value[LBS_EEPROM_READ_LEN];
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11_tpc_cfg {
+	struct cmd_header hdr;
+
+	__le16 action;
+	uint8_t enable;
+	int8_t P0;
+	int8_t P1;
+	int8_t P2;
+	uint8_t usesnr;
+} __attribute__ ((packed));
+
+
+struct cmd_ds_802_11_pa_cfg {
+	struct cmd_header hdr;
+
+	__le16 action;
+	uint8_t enable;
+	int8_t P0;
+	int8_t P1;
+	int8_t P2;
+} __attribute__ ((packed));
+
+
+struct cmd_ds_802_11_led_ctrl {
+	__le16 action;
+	__le16 numled;
+	u8 data[256];
+} __attribute__ ((packed));
+
+struct cmd_ds_802_11_afc {
+	__le16 afc_auto;
+	union {
+		struct {
+			__le16 threshold;
+			__le16 period;
+		};
+		struct {
+			__le16 timing_offset; /* signed */
+			__le16 carrier_offset; /* signed */
+		};
+	};
+} __attribute__ ((packed));
+
+struct cmd_tx_rate_query {
+	__le16 txrate;
+} __attribute__ ((packed));
+
+struct cmd_ds_get_tsf {
+	__le64 tsfvalue;
+} __attribute__ ((packed));
+
+struct cmd_ds_bt_access {
+	__le16 action;
+	__le32 id;
+	u8 addr1[ETH_ALEN];
+	u8 addr2[ETH_ALEN];
+} __attribute__ ((packed));
+
+struct cmd_ds_fwt_access {
+	__le16 action;
+	__le32 id;
+	u8 valid;
+	u8 da[ETH_ALEN];
+	u8 dir;
+	u8 ra[ETH_ALEN];
+	__le32 ssn;
+	__le32 dsn;
+	__le32 metric;
+	u8 rate;
+	u8 hopcount;
+	u8 ttl;
+	__le32 expiration;
+	u8 sleepmode;
+	__le32 snr;
+	__le32 references;
+	u8 prec[ETH_ALEN];
+} __attribute__ ((packed));
+
+struct cmd_ds_mesh_config {
+	struct cmd_header hdr;
+
+	__le16 action;
+	__le16 channel;
+	__le16 type;
+	__le16 length;
+	u8 data[128];	/* last position reserved */
+} __attribute__ ((packed));
+
+struct cmd_ds_mesh_access {
+	struct cmd_header hdr;
+
+	__le16 action;
+	__le32 data[32];	/* last position reserved */
+} __attribute__ ((packed));
+
+/* Number of stats counters returned by the firmware */
+#define MESH_STATS_NUM 8
+
+struct cmd_ds_command {
+	/* command header */
+	__le16 command;
+	__le16 size;
+	__le16 seqnum;
+	__le16 result;
+
+	/* command Body */
+	union {
+		struct cmd_ds_802_11_ps_mode psmode;
+		struct cmd_ds_802_11_monitor_mode monitor;
+		struct cmd_ds_802_11_rssi rssi;
+		struct cmd_ds_802_11_rssi_rsp rssirsp;
+		struct cmd_ds_mac_reg_access macreg;
+		struct cmd_ds_bbp_reg_access bbpreg;
+		struct cmd_ds_rf_reg_access rfreg;
+
+		struct cmd_ds_802_11d_domain_info domaininfo;
+		struct cmd_ds_802_11d_domain_info domaininforesp;
+
+		struct cmd_ds_802_11_tpc_cfg tpccfg;
+		struct cmd_ds_802_11_afc afc;
+		struct cmd_ds_802_11_led_ctrl ledgpio;
+
+		struct cmd_ds_bt_access bt;
+		struct cmd_ds_fwt_access fwt;
+		struct cmd_ds_get_tsf gettsf;
+		struct cmd_ds_802_11_beacon_control bcn_ctrl;
+	} params;
+} __attribute__ ((packed));
+
 #endif
diff --git a/drivers/net/wireless/libertas/hostcmd.h b/drivers/net/wireless/libertas/hostcmd.h
deleted file mode 100644
index c8a1998d474..00000000000
--- a/drivers/net/wireless/libertas/hostcmd.h
+++ /dev/null
@@ -1,800 +0,0 @@
-/*
- * This file contains the function prototypes, data structure
- * and defines for all the host/station commands
- */
-#ifndef _LBS_HOSTCMD_H
-#define _LBS_HOSTCMD_H
-
-#include <linux/wireless.h>
-#include "11d.h"
-#include "types.h"
-
-/* 802.11-related definitions */
-
-/* TxPD descriptor */
-struct txpd {
-	/* union to cope up with later FW revisions */
-	union {
-		/* Current Tx packet status */
-		__le32 tx_status;
-		struct {
-			/* BSS type: client, AP, etc. */
-			u8 bss_type;
-			/* BSS number */
-			u8 bss_num;
-			/* Reserved */
-			__le16 reserved;
-		} bss;
-	} u;
-	/* Tx control */
-	__le32 tx_control;
-	__le32 tx_packet_location;
-	/* Tx packet length */
-	__le16 tx_packet_length;
-	/* First 2 byte of destination MAC address */
-	u8 tx_dest_addr_high[2];
-	/* Last 4 byte of destination MAC address */
-	u8 tx_dest_addr_low[4];
-	/* Pkt Priority */
-	u8 priority;
-	/* Pkt Trasnit Power control */
-	u8 powermgmt;
-	/* Amount of time the packet has been queued in the driver (units = 2ms) */
-	u8 pktdelay_2ms;
-	/* reserved */
-	u8 reserved1;
-} __attribute__ ((packed));
-
-/* RxPD Descriptor */
-struct rxpd {
-	/* union to cope up with later FW revisions */
-	union {
-		/* Current Rx packet status */
-		__le16 status;
-		struct {
-			/* BSS type: client, AP, etc. */
-			u8 bss_type;
-			/* BSS number */
-			u8 bss_num;
-		} __attribute__ ((packed)) bss;
-	} __attribute__ ((packed)) u;
-
-	/* SNR */
-	u8 snr;
-
-	/* Tx control */
-	u8 rx_control;
-
-	/* Pkt length */
-	__le16 pkt_len;
-
-	/* Noise Floor */
-	u8 nf;
-
-	/* Rx Packet Rate */
-	u8 rx_rate;
-
-	/* Pkt addr */
-	__le32 pkt_ptr;
-
-	/* Next Rx RxPD addr */
-	__le32 next_rxpd_ptr;
-
-	/* Pkt Priority */
-	u8 priority;
-	u8 reserved[3];
-} __attribute__ ((packed));
-
-struct cmd_header {
-	__le16 command;
-	__le16 size;
-	__le16 seqnum;
-	__le16 result;
-} __attribute__ ((packed));
-
-struct cmd_ctrl_node {
-	struct list_head list;
-	int result;
-	/* command response */
-	int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *);
-	unsigned long callback_arg;
-	/* command data */
-	struct cmd_header *cmdbuf;
-	/* wait queue */
-	u16 cmdwaitqwoken;
-	wait_queue_head_t cmdwait_q;
-};
-
-/* Generic structure to hold all key types. */
-struct enc_key {
-	u16 len;
-	u16 flags;  /* KEY_INFO_* from defs.h */
-	u16 type; /* KEY_TYPE_* from defs.h */
-	u8 key[32];
-};
-
-/* lbs_offset_value */
-struct lbs_offset_value {
-	u32 offset;
-	u32 value;
-} __attribute__ ((packed));
-
-/* Define general data structure */
-/* cmd_DS_GEN */
-struct cmd_ds_gen {
-	__le16 command;
-	__le16 size;
-	__le16 seqnum;
-	__le16 result;
-	void *cmdresp[0];
-} __attribute__ ((packed));
-
-#define S_DS_GEN sizeof(struct cmd_ds_gen)
-
-
-/*
- * Define data structure for CMD_GET_HW_SPEC
- * This structure defines the response for the GET_HW_SPEC command
- */
-struct cmd_ds_get_hw_spec {
-	struct cmd_header hdr;
-
-	/* HW Interface version number */
-	__le16 hwifversion;
-	/* HW version number */
-	__le16 version;
-	/* Max number of TxPD FW can handle */
-	__le16 nr_txpd;
-	/* Max no of Multicast address */
-	__le16 nr_mcast_adr;
-	/* MAC address */
-	u8 permanentaddr[6];
-
-	/* region Code */
-	__le16 regioncode;
-
-	/* Number of antenna used */
-	__le16 nr_antenna;
-
-	/* FW release number, example 0x01030304 = 2.3.4p1 */
-	__le32 fwrelease;
-
-	/* Base Address of TxPD queue */
-	__le32 wcb_base;
-	/* Read Pointer of RxPd queue */
-	__le32 rxpd_rdptr;
-
-	/* Write Pointer of RxPd queue */
-	__le32 rxpd_wrptr;
-
-	/*FW/HW capability */
-	__le32 fwcapinfo;
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_subscribe_event {
-	struct cmd_header hdr;
-
-	__le16 action;
-	__le16 events;
-
-	/* A TLV to the CMD_802_11_SUBSCRIBE_EVENT command can contain a
-	 * number of TLVs. From the v5.1 manual, those TLVs would add up to
-	 * 40 bytes. However, future firmware might add additional TLVs, so I
-	 * bump this up a bit.
-	 */
-	uint8_t tlv[128];
-} __attribute__ ((packed));
-
-/*
- * This scan handle Country Information IE(802.11d compliant)
- * Define data structure for CMD_802_11_SCAN
- */
-struct cmd_ds_802_11_scan {
-	struct cmd_header hdr;
-
-	uint8_t bsstype;
-	uint8_t bssid[ETH_ALEN];
-	uint8_t tlvbuffer[0];
-#if 0
-	mrvlietypes_ssidparamset_t ssidParamSet;
-	mrvlietypes_chanlistparamset_t ChanListParamSet;
-	mrvlietypes_ratesparamset_t OpRateSet;
-#endif
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_scan_rsp {
-	struct cmd_header hdr;
-
-	__le16 bssdescriptsize;
-	uint8_t nr_sets;
-	uint8_t bssdesc_and_tlvbuffer[0];
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_get_log {
-	struct cmd_header hdr;
-
-	__le32 mcasttxframe;
-	__le32 failed;
-	__le32 retry;
-	__le32 multiretry;
-	__le32 framedup;
-	__le32 rtssuccess;
-	__le32 rtsfailure;
-	__le32 ackfailure;
-	__le32 rxfrag;
-	__le32 mcastrxframe;
-	__le32 fcserror;
-	__le32 txframe;
-	__le32 wepundecryptable;
-} __attribute__ ((packed));
-
-struct cmd_ds_mac_control {
-	struct cmd_header hdr;
-	__le16 action;
-	u16 reserved;
-} __attribute__ ((packed));
-
-struct cmd_ds_mac_multicast_adr {
-	struct cmd_header hdr;
-	__le16 action;
-	__le16 nr_of_adrs;
-	u8 maclist[ETH_ALEN * MRVDRV_MAX_MULTICAST_LIST_SIZE];
-} __attribute__ ((packed));
-
-struct cmd_ds_gspi_bus_config {
-	struct cmd_header hdr;
-	__le16 action;
-	__le16 bus_delay_mode;
-	__le16 host_time_delay_to_read_port;
-	__le16 host_time_delay_to_read_register;
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_authenticate {
-	struct cmd_header hdr;
-
-	u8 bssid[ETH_ALEN];
-	u8 authtype;
-	u8 reserved[10];
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_deauthenticate {
-	struct cmd_header hdr;
-
-	u8 macaddr[ETH_ALEN];
-	__le16 reasoncode;
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_associate {
-	struct cmd_header hdr;
-
-	u8 bssid[6];
-	__le16 capability;
-	__le16 listeninterval;
-	__le16 bcnperiod;
-	u8 dtimperiod;
-	u8 iebuf[512];    /* Enough for required and most optional IEs */
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_associate_response {
-	struct cmd_header hdr;
-
-	__le16 capability;
-	__le16 statuscode;
-	__le16 aid;
-	u8 iebuf[512];
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_set_wep {
-	struct cmd_header hdr;
-
-	/* ACT_ADD, ACT_REMOVE or ACT_ENABLE */
-	__le16 action;
-
-	/* key Index selected for Tx */
-	__le16 keyindex;
-
-	/* 40, 128bit or TXWEP */
-	uint8_t keytype[4];
-	uint8_t keymaterial[4][16];
-} __attribute__ ((packed));
-
-struct cmd_ds_802_3_get_stat {
-	__le32 xmitok;
-	__le32 rcvok;
-	__le32 xmiterror;
-	__le32 rcverror;
-	__le32 rcvnobuffer;
-	__le32 rcvcrcerror;
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_get_stat {
-	__le32 txfragmentcnt;
-	__le32 mcasttxframecnt;
-	__le32 failedcnt;
-	__le32 retrycnt;
-	__le32 Multipleretrycnt;
-	__le32 rtssuccesscnt;
-	__le32 rtsfailurecnt;
-	__le32 ackfailurecnt;
-	__le32 frameduplicatecnt;
-	__le32 rxfragmentcnt;
-	__le32 mcastrxframecnt;
-	__le32 fcserrorcnt;
-	__le32 bcasttxframecnt;
-	__le32 bcastrxframecnt;
-	__le32 txbeacon;
-	__le32 rxbeacon;
-	__le32 wepundecryptable;
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_snmp_mib {
-	struct cmd_header hdr;
-
-	__le16 action;
-	__le16 oid;
-	__le16 bufsize;
-	u8 value[128];
-} __attribute__ ((packed));
-
-struct cmd_ds_mac_reg_map {
-	__le16 buffersize;
-	u8 regmap[128];
-	__le16 reserved;
-} __attribute__ ((packed));
-
-struct cmd_ds_bbp_reg_map {
-	__le16 buffersize;
-	u8 regmap[128];
-	__le16 reserved;
-} __attribute__ ((packed));
-
-struct cmd_ds_rf_reg_map {
-	__le16 buffersize;
-	u8 regmap[64];
-	__le16 reserved;
-} __attribute__ ((packed));
-
-struct cmd_ds_mac_reg_access {
-	__le16 action;
-	__le16 offset;
-	__le32 value;
-} __attribute__ ((packed));
-
-struct cmd_ds_bbp_reg_access {
-	__le16 action;
-	__le16 offset;
-	u8 value;
-	u8 reserved[3];
-} __attribute__ ((packed));
-
-struct cmd_ds_rf_reg_access {
-	__le16 action;
-	__le16 offset;
-	u8 value;
-	u8 reserved[3];
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_radio_control {
-	struct cmd_header hdr;
-
-	__le16 action;
-	__le16 control;
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_beacon_control {
-	__le16 action;
-	__le16 beacon_enable;
-	__le16 beacon_period;
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_sleep_params {
-	struct cmd_header hdr;
-
-	/* ACT_GET/ACT_SET */
-	__le16 action;
-
-	/* Sleep clock error in ppm */
-	__le16 error;
-
-	/* Wakeup offset in usec */
-	__le16 offset;
-
-	/* Clock stabilization time in usec */
-	__le16 stabletime;
-
-	/* control periodic calibration */
-	uint8_t calcontrol;
-
-	/* control the use of external sleep clock */
-	uint8_t externalsleepclk;
-
-	/* reserved field, should be set to zero */
-	__le16 reserved;
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_inactivity_timeout {
-	struct cmd_header hdr;
-
-	/* ACT_GET/ACT_SET */
-	__le16 action;
-
-	/* Inactivity timeout in msec */
-	__le16 timeout;
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_rf_channel {
-	struct cmd_header hdr;
-
-	__le16 action;
-	__le16 channel;
-	__le16 rftype;      /* unused */
-	__le16 reserved;    /* unused */
-	u8 channellist[32]; /* unused */
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_rssi {
-	/* weighting factor */
-	__le16 N;
-
-	__le16 reserved_0;
-	__le16 reserved_1;
-	__le16 reserved_2;
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_rssi_rsp {
-	__le16 SNR;
-	__le16 noisefloor;
-	__le16 avgSNR;
-	__le16 avgnoisefloor;
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_mac_address {
-	struct cmd_header hdr;
-
-	__le16 action;
-	u8 macadd[ETH_ALEN];
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_rf_tx_power {
-	struct cmd_header hdr;
-
-	__le16 action;
-	__le16 curlevel;
-	s8 maxlevel;
-	s8 minlevel;
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_rf_antenna {
-	__le16 action;
-
-	/* Number of antennas or 0xffff(diversity) */
-	__le16 antennamode;
-
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_monitor_mode {
-	__le16 action;
-	__le16 mode;
-} __attribute__ ((packed));
-
-struct cmd_ds_set_boot2_ver {
-	struct cmd_header hdr;
-
-	__le16 action;
-	__le16 version;
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_fw_wake_method {
-	struct cmd_header hdr;
-
-	__le16 action;
-	__le16 method;
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_sleep_period {
-	struct cmd_header hdr;
-
-	__le16 action;
-	__le16 period;
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_ps_mode {
-	__le16 action;
-	__le16 nullpktinterval;
-	__le16 multipledtim;
-	__le16 reserved;
-	__le16 locallisteninterval;
-} __attribute__ ((packed));
-
-struct cmd_confirm_sleep {
-	struct cmd_header hdr;
-
-	__le16 action;
-	__le16 nullpktinterval;
-	__le16 multipledtim;
-	__le16 reserved;
-	__le16 locallisteninterval;
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_data_rate {
-	struct cmd_header hdr;
-
-	__le16 action;
-	__le16 reserved;
-	u8 rates[MAX_RATES];
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_rate_adapt_rateset {
-	struct cmd_header hdr;
-	__le16 action;
-	__le16 enablehwauto;
-	__le16 bitmap;
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_ad_hoc_start {
-	struct cmd_header hdr;
-
-	u8 ssid[IW_ESSID_MAX_SIZE];
-	u8 bsstype;
-	__le16 beaconperiod;
-	u8 dtimperiod;   /* Reserved on v9 and later */
-	struct ieee_ie_ibss_param_set ibss;
-	u8 reserved1[4];
-	struct ieee_ie_ds_param_set ds;
-	u8 reserved2[4];
-	__le16 probedelay;  /* Reserved on v9 and later */
-	__le16 capability;
-	u8 rates[MAX_RATES];
-	u8 tlv_memory_size_pad[100];
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_ad_hoc_result {
-	struct cmd_header hdr;
-
-	u8 pad[3];
-	u8 bssid[ETH_ALEN];
-} __attribute__ ((packed));
-
-struct adhoc_bssdesc {
-	u8 bssid[ETH_ALEN];
-	u8 ssid[IW_ESSID_MAX_SIZE];
-	u8 type;
-	__le16 beaconperiod;
-	u8 dtimperiod;
-	__le64 timestamp;
-	__le64 localtime;
-	struct ieee_ie_ds_param_set ds;
-	u8 reserved1[4];
-	struct ieee_ie_ibss_param_set ibss;
-	u8 reserved2[4];
-	__le16 capability;
-	u8 rates[MAX_RATES];
-
-	/* DO NOT ADD ANY FIELDS TO THIS STRUCTURE. It is used below in the
-	 * Adhoc join command and will cause a binary layout mismatch with
-	 * the firmware
-	 */
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_ad_hoc_join {
-	struct cmd_header hdr;
-
-	struct adhoc_bssdesc bss;
-	__le16 failtimeout;   /* Reserved on v9 and later */
-	__le16 probedelay;    /* Reserved on v9 and later */
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_ad_hoc_stop {
-	struct cmd_header hdr;
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_enable_rsn {
-	struct cmd_header hdr;
-
-	__le16 action;
-	__le16 enable;
-} __attribute__ ((packed));
-
-struct MrvlIEtype_keyParamSet {
-	/* type ID */
-	__le16 type;
-
-	/* length of Payload */
-	__le16 length;
-
-	/* type of key: WEP=0, TKIP=1, AES=2 */
-	__le16 keytypeid;
-
-	/* key control Info specific to a keytypeid */
-	__le16 keyinfo;
-
-	/* length of key */
-	__le16 keylen;
-
-	/* key material of size keylen */
-	u8 key[32];
-} __attribute__ ((packed));
-
-#define MAX_WOL_RULES 		16
-
-struct host_wol_rule {
-	uint8_t rule_no;
-	uint8_t rule_ops;
-	__le16 sig_offset;
-	__le16 sig_length;
-	__le16 reserve;
-	__be32 sig_mask;
-	__be32 signature;
-} __attribute__ ((packed));
-
-struct wol_config {
-	uint8_t action;
-	uint8_t pattern;
-	uint8_t no_rules_in_cmd;
-	uint8_t result;
-	struct host_wol_rule rule[MAX_WOL_RULES];
-} __attribute__ ((packed));
-
-struct cmd_ds_host_sleep {
-	struct cmd_header hdr;
-	__le32 criteria;
-	uint8_t gpio;
-	uint16_t gap;
-	struct wol_config wol_conf;
-} __attribute__ ((packed));
-
-
-
-struct cmd_ds_802_11_key_material {
-	struct cmd_header hdr;
-
-	__le16 action;
-	struct MrvlIEtype_keyParamSet keyParamSet[2];
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_eeprom_access {
-	struct cmd_header hdr;
-	__le16 action;
-	__le16 offset;
-	__le16 len;
-	/* firmware says it returns a maximum of 20 bytes */
-#define LBS_EEPROM_READ_LEN 20
-	u8 value[LBS_EEPROM_READ_LEN];
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_tpc_cfg {
-	struct cmd_header hdr;
-
-	__le16 action;
-	uint8_t enable;
-	int8_t P0;
-	int8_t P1;
-	int8_t P2;
-	uint8_t usesnr;
-} __attribute__ ((packed));
-
-
-struct cmd_ds_802_11_pa_cfg {
-	struct cmd_header hdr;
-
-	__le16 action;
-	uint8_t enable;
-	int8_t P0;
-	int8_t P1;
-	int8_t P2;
-} __attribute__ ((packed));
-
-
-struct cmd_ds_802_11_led_ctrl {
-	__le16 action;
-	__le16 numled;
-	u8 data[256];
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11_afc {
-	__le16 afc_auto;
-	union {
-		struct {
-			__le16 threshold;
-			__le16 period;
-		};
-		struct {
-			__le16 timing_offset; /* signed */
-			__le16 carrier_offset; /* signed */
-		};
-	};
-} __attribute__ ((packed));
-
-struct cmd_tx_rate_query {
-	__le16 txrate;
-} __attribute__ ((packed));
-
-struct cmd_ds_get_tsf {
-	__le64 tsfvalue;
-} __attribute__ ((packed));
-
-struct cmd_ds_bt_access {
-	__le16 action;
-	__le32 id;
-	u8 addr1[ETH_ALEN];
-	u8 addr2[ETH_ALEN];
-} __attribute__ ((packed));
-
-struct cmd_ds_fwt_access {
-	__le16 action;
-	__le32 id;
-	u8 valid;
-	u8 da[ETH_ALEN];
-	u8 dir;
-	u8 ra[ETH_ALEN];
-	__le32 ssn;
-	__le32 dsn;
-	__le32 metric;
-	u8 rate;
-	u8 hopcount;
-	u8 ttl;
-	__le32 expiration;
-	u8 sleepmode;
-	__le32 snr;
-	__le32 references;
-	u8 prec[ETH_ALEN];
-} __attribute__ ((packed));
-
-
-struct cmd_ds_mesh_config {
-	struct cmd_header hdr;
-
-        __le16 action;
-        __le16 channel;
-        __le16 type;
-        __le16 length;
-        u8 data[128];   /* last position reserved */
-} __attribute__ ((packed));
-
-
-struct cmd_ds_mesh_access {
-	struct cmd_header hdr;
-
-	__le16 action;
-	__le32 data[32];	/* last position reserved */
-} __attribute__ ((packed));
-
-/* Number of stats counters returned by the firmware */
-#define MESH_STATS_NUM 8
-
-struct cmd_ds_command {
-	/* command header */
-	__le16 command;
-	__le16 size;
-	__le16 seqnum;
-	__le16 result;
-
-	/* command Body */
-	union {
-		struct cmd_ds_802_11_ps_mode psmode;
-		struct cmd_ds_802_11_get_stat gstat;
-		struct cmd_ds_802_3_get_stat gstat_8023;
-		struct cmd_ds_802_11_rf_antenna rant;
-		struct cmd_ds_802_11_monitor_mode monitor;
-		struct cmd_ds_802_11_rssi rssi;
-		struct cmd_ds_802_11_rssi_rsp rssirsp;
-		struct cmd_ds_mac_reg_access macreg;
-		struct cmd_ds_bbp_reg_access bbpreg;
-		struct cmd_ds_rf_reg_access rfreg;
-
-		struct cmd_ds_802_11d_domain_info domaininfo;
-		struct cmd_ds_802_11d_domain_info domaininforesp;
-
-		struct cmd_ds_802_11_tpc_cfg tpccfg;
-		struct cmd_ds_802_11_afc afc;
-		struct cmd_ds_802_11_led_ctrl ledgpio;
-
-		struct cmd_tx_rate_query txrate;
-		struct cmd_ds_bt_access bt;
-		struct cmd_ds_fwt_access fwt;
-		struct cmd_ds_get_tsf gettsf;
-		struct cmd_ds_802_11_beacon_control bcn_ctrl;
-	} params;
-} __attribute__ ((packed));
-
-#endif
diff --git a/drivers/net/wireless/libertas/rx.c b/drivers/net/wireless/libertas/rx.c
index 65f02cc6752..9f18a19cc49 100644
--- a/drivers/net/wireless/libertas/rx.c
+++ b/drivers/net/wireless/libertas/rx.c
@@ -4,7 +4,7 @@
 #include <linux/etherdevice.h>
 #include <linux/types.h>
 
-#include "hostcmd.h"
+#include "host.h"
 #include "radiotap.h"
 #include "decl.h"
 #include "dev.h"
diff --git a/drivers/net/wireless/libertas/tx.c b/drivers/net/wireless/libertas/tx.c
index 4c018f7a0a8..5d7c011fe29 100644
--- a/drivers/net/wireless/libertas/tx.c
+++ b/drivers/net/wireless/libertas/tx.c
@@ -4,7 +4,7 @@
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
 
-#include "hostcmd.h"
+#include "host.h"
 #include "radiotap.h"
 #include "decl.h"
 #include "defs.h"
-- 
GitLab


From bca61f8a4df69949cc7426b39daa867f5274a9b8 Mon Sep 17 00:00:00 2001
From: Holger Schurig <hs4233@mail.mn-solutions.de>
Date: Fri, 16 Oct 2009 17:33:23 +0200
Subject: [PATCH 0557/1815] libertas: harmonize cmd.h

* move declarations for functions of cmd.c/cmdresp.c into cmd.h
* move declarations from cmd.h that are in main.c to decl.h
* group command functions

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/11d.c     |   1 +
 drivers/net/wireless/libertas/cmd.h     | 120 ++++++++++++++++++------
 drivers/net/wireless/libertas/cmdresp.c |   1 +
 drivers/net/wireless/libertas/decl.h    |  24 +----
 drivers/net/wireless/libertas/host.h    |  15 ---
 5 files changed, 96 insertions(+), 65 deletions(-)

diff --git a/drivers/net/wireless/libertas/11d.c b/drivers/net/wireless/libertas/11d.c
index 5c6968101f0..93f2d5fb392 100644
--- a/drivers/net/wireless/libertas/11d.c
+++ b/drivers/net/wireless/libertas/11d.c
@@ -6,6 +6,7 @@
 #include <linux/wireless.h>
 
 #include "host.h"
+#include "cmd.h"
 #include "decl.h"
 #include "11d.h"
 #include "dev.h"
diff --git a/drivers/net/wireless/libertas/cmd.h b/drivers/net/wireless/libertas/cmd.h
index bf7c421c7a5..7c44cc94a25 100644
--- a/drivers/net/wireless/libertas/cmd.h
+++ b/drivers/net/wireless/libertas/cmd.h
@@ -6,8 +6,27 @@
 #include "host.h"
 #include "dev.h"
 
+
+/* Command & response transfer between host and card */
+
+struct cmd_ctrl_node {
+	struct list_head list;
+	int result;
+	/* command response */
+	int (*callback)(struct lbs_private *,
+			unsigned long,
+			struct cmd_header *);
+	unsigned long callback_arg;
+	/* command data */
+	struct cmd_header *cmdbuf;
+	/* wait queue */
+	u16 cmdwaitqwoken;
+	wait_queue_head_t cmdwait_q;
+};
+
+
 /* lbs_cmd() infers the size of the buffer to copy data back into, from
-   the size of the target of the pointer. Since the command to be sent 
+   the size of the target of the pointer. Since the command to be sent
    may often be smaller, that size is set in cmd->size by the caller.*/
 #define lbs_cmd(priv, cmdnr, cmd, cb, cb_arg)	({		\
 	uint16_t __sz = le16_to_cpu((cmd)->hdr.size);		\
@@ -18,6 +37,11 @@
 #define lbs_cmd_with_response(priv, cmdnr, cmd)	\
 	lbs_cmd(priv, cmdnr, cmd, lbs_cmd_copyback, (unsigned long) (cmd))
 
+int lbs_prepare_and_send_command(struct lbs_private *priv,
+	u16 cmd_no,
+	u16 cmd_action,
+	u16 wait_option, u32 cmd_oid, void *pdata_buf);
+
 void lbs_cmd_async(struct lbs_private *priv, uint16_t command,
 	struct cmd_header *in_cmd, int in_cmd_size);
 
@@ -31,62 +55,102 @@ struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv,
 	int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
 	unsigned long callback_arg);
 
-int lbs_set_power_adapt_cfg(struct lbs_private *priv, int enable, int8_t p0,
-		int8_t p1, int8_t p2);
+int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
+		     struct cmd_header *resp);
 
-int lbs_set_tpc_cfg(struct lbs_private *priv, int enable, int8_t p0, int8_t p1,
-		int8_t p2, int usesnr);
+int lbs_allocate_cmd_buffer(struct lbs_private *priv);
+int lbs_free_cmd_buffer(struct lbs_private *priv);
 
-int lbs_set_power_adapt_cfg(struct lbs_private *priv, int enable, int8_t p0,
-		int8_t p1, int8_t p2);
+int lbs_execute_next_command(struct lbs_private *priv);
+void lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd,
+			  int result);
+int lbs_process_command_response(struct lbs_private *priv, u8 *data, u32 len);
 
-int lbs_set_tpc_cfg(struct lbs_private *priv, int enable, int8_t p0, int8_t p1,
-		int8_t p2, int usesnr);
 
-int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
-		     struct cmd_header *resp);
+/* From cmdresp.c */
 
-int lbs_update_hw_spec(struct lbs_private *priv);
+void lbs_mac_event_disconnected(struct lbs_private *priv);
 
-int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
-		    struct cmd_ds_mesh_access *cmd);
 
-int lbs_set_data_rate(struct lbs_private *priv, u8 rate);
+
+/* Events */
+
+int lbs_process_event(struct lbs_private *priv, u32 event);
+
+
+/* Actual commands */
+
+int lbs_update_hw_spec(struct lbs_private *priv);
 
 int lbs_get_channel(struct lbs_private *priv);
+
 int lbs_set_channel(struct lbs_private *priv, u8 channel);
 
+int lbs_update_channel(struct lbs_private *priv);
+
+int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria,
+		struct wol_config *p_wol_config);
+
+int lbs_cmd_802_11_sleep_params(struct lbs_private *priv, uint16_t cmd_action,
+				struct sleep_params *sp);
+
+void lbs_ps_sleep(struct lbs_private *priv, int wait_option);
+
+void lbs_ps_wakeup(struct lbs_private *priv, int wait_option);
+
+void lbs_ps_confirm_sleep(struct lbs_private *priv);
+
+int lbs_set_radio(struct lbs_private *priv, u8 preamble, u8 radio_on);
+
+void lbs_set_mac_control(struct lbs_private *priv);
+
+int lbs_get_tx_power(struct lbs_private *priv, s16 *curlevel, s16 *minlevel,
+		     s16 *maxlevel);
+
+int lbs_set_snmp_mib(struct lbs_private *priv, u32 oid, u16 val);
+
+int lbs_get_snmp_mib(struct lbs_private *priv, u32 oid, u16 *out_val);
+
+
+/* Mesh related */
+
+int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
+		    struct cmd_ds_mesh_access *cmd);
+
 int lbs_mesh_config_send(struct lbs_private *priv,
 			 struct cmd_ds_mesh_config *cmd,
 			 uint16_t action, uint16_t type);
+
 int lbs_mesh_config(struct lbs_private *priv, uint16_t enable, uint16_t chan);
 
-int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria,
-		struct wol_config *p_wol_config);
-int lbs_suspend(struct lbs_private *priv);
-void lbs_resume(struct lbs_private *priv);
+
+/* Commands only used in wext.c, assoc. and scan.c */
+
+int lbs_set_power_adapt_cfg(struct lbs_private *priv, int enable, int8_t p0,
+		int8_t p1, int8_t p2);
+
+int lbs_set_tpc_cfg(struct lbs_private *priv, int enable, int8_t p0, int8_t p1,
+		int8_t p2, int usesnr);
+
+int lbs_set_data_rate(struct lbs_private *priv, u8 rate);
 
 int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
 				      uint16_t cmd_action);
+
 int lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv,
 				      uint16_t cmd_action, uint16_t *timeout);
-int lbs_cmd_802_11_sleep_params(struct lbs_private *priv, uint16_t cmd_action,
-				struct sleep_params *sp);
+
 int lbs_cmd_802_11_set_wep(struct lbs_private *priv, uint16_t cmd_action,
 			   struct assoc_request *assoc);
+
 int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv, uint16_t cmd_action,
 			      uint16_t *enable);
+
 int lbs_cmd_802_11_key_material(struct lbs_private *priv, uint16_t cmd_action,
 				struct assoc_request *assoc);
 
-int lbs_get_tx_power(struct lbs_private *priv, s16 *curlevel, s16 *minlevel,
-		     s16 *maxlevel);
 int lbs_set_tx_power(struct lbs_private *priv, s16 dbm);
 
-int lbs_set_radio(struct lbs_private *priv, u8 preamble, u8 radio_on);
-
-int lbs_set_snmp_mib(struct lbs_private *priv, u32 oid, u16 val);
-
-int lbs_get_snmp_mib(struct lbs_private *priv, u32 oid, u16 *out_val);
+int lbs_set_deep_sleep(struct lbs_private *priv, int deep_sleep);
 
 #endif /* _LBS_CMD_H */
diff --git a/drivers/net/wireless/libertas/cmdresp.c b/drivers/net/wireless/libertas/cmdresp.c
index 9ee8bd11bda..a45061b1f33 100644
--- a/drivers/net/wireless/libertas/cmdresp.c
+++ b/drivers/net/wireless/libertas/cmdresp.c
@@ -11,6 +11,7 @@
 
 #include "host.h"
 #include "decl.h"
+#include "cmd.h"
 #include "defs.h"
 #include "dev.h"
 #include "assoc.h"
diff --git a/drivers/net/wireless/libertas/decl.h b/drivers/net/wireless/libertas/decl.h
index fb91c3639fc..20fa8176cd8 100644
--- a/drivers/net/wireless/libertas/decl.h
+++ b/drivers/net/wireless/libertas/decl.h
@@ -17,23 +17,13 @@ struct net_device;
 struct cmd_ctrl_node;
 struct cmd_ds_command;
 
-void lbs_set_mac_control(struct lbs_private *priv);
+int lbs_suspend(struct lbs_private *priv);
+void lbs_resume(struct lbs_private *priv);
 
 void lbs_send_tx_feedback(struct lbs_private *priv, u32 try_count);
 
-int lbs_free_cmd_buffer(struct lbs_private *priv);
-
-int lbs_prepare_and_send_command(struct lbs_private *priv,
-	u16 cmd_no,
-	u16 cmd_action,
-	u16 wait_option, u32 cmd_oid, void *pdata_buf);
-
-int lbs_allocate_cmd_buffer(struct lbs_private *priv);
-int lbs_execute_next_command(struct lbs_private *priv);
-int lbs_process_event(struct lbs_private *priv, u32 event);
 void lbs_queue_event(struct lbs_private *priv, u32 event);
 void lbs_notify_command_response(struct lbs_private *priv, u8 resp_idx);
-int lbs_set_deep_sleep(struct lbs_private *priv, int deep_sleep);
 int lbs_enter_auto_deep_sleep(struct lbs_private *priv);
 int lbs_exit_auto_deep_sleep(struct lbs_private *priv);
 
@@ -41,26 +31,17 @@ u32 lbs_fw_index_to_data_rate(u8 index);
 u8 lbs_data_rate_to_fw_index(u32 rate);
 
 /** The proc fs interface */
-int lbs_process_command_response(struct lbs_private *priv, u8 *data, u32 len);
-void lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd,
-			  int result);
 netdev_tx_t lbs_hard_start_xmit(struct sk_buff *skb,
 				struct net_device *dev);
 int lbs_set_regiontable(struct lbs_private *priv, u8 region, u8 band);
 
 int lbs_process_rxed_packet(struct lbs_private *priv, struct sk_buff *);
 
-void lbs_ps_sleep(struct lbs_private *priv, int wait_option);
-void lbs_ps_confirm_sleep(struct lbs_private *priv);
-void lbs_ps_wakeup(struct lbs_private *priv, int wait_option);
-
 struct chan_freq_power *lbs_find_cfp_by_band_and_channel(
 	struct lbs_private *priv,
 	u8 band,
 	u16 channel);
 
-void lbs_mac_event_disconnected(struct lbs_private *priv);
-
 void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str);
 
 /* persistcfg.c */
@@ -76,6 +57,5 @@ int lbs_start_card(struct lbs_private *priv);
 void lbs_stop_card(struct lbs_private *priv);
 void lbs_host_to_card_done(struct lbs_private *priv);
 
-int lbs_update_channel(struct lbs_private *priv);
 
 #endif
diff --git a/drivers/net/wireless/libertas/host.h b/drivers/net/wireless/libertas/host.h
index 45cd7f1e593..5188e6539c6 100644
--- a/drivers/net/wireless/libertas/host.h
+++ b/drivers/net/wireless/libertas/host.h
@@ -374,21 +374,6 @@ struct cmd_header {
 	__le16 result;
 } __attribute__ ((packed));
 
-struct cmd_ctrl_node {
-	struct list_head list;
-	int result;
-	/* command response */
-	int (*callback)(struct lbs_private *,
-			unsigned long,
-			struct cmd_header *);
-	unsigned long callback_arg;
-	/* command data */
-	struct cmd_header *cmdbuf;
-	/* wait queue */
-	u16 cmdwaitqwoken;
-	wait_queue_head_t cmdwait_q;
-};
-
 /* Generic structure to hold all key types. */
 struct enc_key {
 	u16 len;
-- 
GitLab


From a3cbfb08ca634019516c91f3d5266b18e3dbbf77 Mon Sep 17 00:00:00 2001
From: Holger Schurig <hs4233@mail.mn-solutions.de>
Date: Fri, 16 Oct 2009 17:33:56 +0200
Subject: [PATCH 0558/1815] libertas: make lbs_get_channel() static

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/cmd.c | 2 +-
 drivers/net/wireless/libertas/cmd.h | 2 --
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index cced646a884..e0de9a3dd12 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -879,7 +879,7 @@ out:
  *
  *  @return 	   	The channel on success, error on failure
  */
-int lbs_get_channel(struct lbs_private *priv)
+static int lbs_get_channel(struct lbs_private *priv)
 {
 	struct cmd_ds_802_11_rf_channel cmd;
 	int ret = 0;
diff --git a/drivers/net/wireless/libertas/cmd.h b/drivers/net/wireless/libertas/cmd.h
index 7c44cc94a25..999d146c2f8 100644
--- a/drivers/net/wireless/libertas/cmd.h
+++ b/drivers/net/wireless/libertas/cmd.h
@@ -82,8 +82,6 @@ int lbs_process_event(struct lbs_private *priv, u32 event);
 
 int lbs_update_hw_spec(struct lbs_private *priv);
 
-int lbs_get_channel(struct lbs_private *priv);
-
 int lbs_set_channel(struct lbs_private *priv, u8 channel);
 
 int lbs_update_channel(struct lbs_private *priv);
-- 
GitLab


From 8ef37f1cb24bfc89297eab6cd6f1e1096d954139 Mon Sep 17 00:00:00 2001
From: Holger Schurig <hs4233@mail.mn-solutions.de>
Date: Fri, 16 Oct 2009 17:34:22 +0200
Subject: [PATCH 0559/1815] libertas: remove unused
 lbs_cmd_802_11_inactivity_timeout()

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/cmd.c  | 27 ---------------------------
 drivers/net/wireless/libertas/cmd.h  |  3 ---
 drivers/net/wireless/libertas/host.h | 10 ----------
 3 files changed, 40 deletions(-)

diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index e0de9a3dd12..8841a0ecf3b 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -272,33 +272,6 @@ static int lbs_cmd_802_11_ps_mode(struct cmd_ds_command *cmd,
 	return 0;
 }
 
-int lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv,
-				      uint16_t cmd_action, uint16_t *timeout)
-{
-	struct cmd_ds_802_11_inactivity_timeout cmd;
-	int ret;
-
-	lbs_deb_enter(LBS_DEB_CMD);
-
-	cmd.hdr.command = cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT);
-	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
-
-	cmd.action = cpu_to_le16(cmd_action);
-
-	if (cmd_action == CMD_ACT_SET)
-		cmd.timeout = cpu_to_le16(*timeout);
-	else
-		cmd.timeout = 0;
-
-	ret = lbs_cmd_with_response(priv, CMD_802_11_INACTIVITY_TIMEOUT, &cmd);
-
-	if (!ret)
-		*timeout = le16_to_cpu(cmd.timeout);
-
-	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
-	return 0;
-}
-
 int lbs_cmd_802_11_sleep_params(struct lbs_private *priv, uint16_t cmd_action,
 				struct sleep_params *sp)
 {
diff --git a/drivers/net/wireless/libertas/cmd.h b/drivers/net/wireless/libertas/cmd.h
index 999d146c2f8..9d29b578799 100644
--- a/drivers/net/wireless/libertas/cmd.h
+++ b/drivers/net/wireless/libertas/cmd.h
@@ -135,9 +135,6 @@ int lbs_set_data_rate(struct lbs_private *priv, u8 rate);
 int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
 				      uint16_t cmd_action);
 
-int lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv,
-				      uint16_t cmd_action, uint16_t *timeout);
-
 int lbs_cmd_802_11_set_wep(struct lbs_private *priv, uint16_t cmd_action,
 			   struct assoc_request *assoc);
 
diff --git a/drivers/net/wireless/libertas/host.h b/drivers/net/wireless/libertas/host.h
index 5188e6539c6..25342743b1f 100644
--- a/drivers/net/wireless/libertas/host.h
+++ b/drivers/net/wireless/libertas/host.h
@@ -621,16 +621,6 @@ struct cmd_ds_802_11_sleep_params {
 	__le16 reserved;
 } __attribute__ ((packed));
 
-struct cmd_ds_802_11_inactivity_timeout {
-	struct cmd_header hdr;
-
-	/* ACT_GET/ACT_SET */
-	__le16 action;
-
-	/* Inactivity timeout in msec */
-	__le16 timeout;
-} __attribute__ ((packed));
-
 struct cmd_ds_802_11_rf_channel {
 	struct cmd_header hdr;
 
-- 
GitLab


From 72f5f457564e8ebc6c38ee4f98ee59cd03c2f614 Mon Sep 17 00:00:00 2001
From: "John W. Linville" <linville@tuxdriver.com>
Date: Fri, 16 Oct 2009 14:35:51 -0400
Subject: [PATCH 0560/1815] b43: use ieee80211_rx_ni()

Convert to new use ieee80211_rx_ni() routine rather than open-coded
version.

Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/b43/xmit.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c
index 51d68971f6f..7a5e294be2b 100644
--- a/drivers/net/wireless/b43/xmit.c
+++ b/drivers/net/wireless/b43/xmit.c
@@ -690,10 +690,7 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
 	}
 
 	memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status));
-
-	local_bh_disable();
-	ieee80211_rx(dev->wl->hw, skb);
-	local_bh_enable();
+	ieee80211_rx_ni(dev->wl->hw, skb);
 
 #if B43_DEBUG
 	dev->rx_count++;
-- 
GitLab


From 9a493e8f4d78fc3f2494fa952500b720c86737d8 Mon Sep 17 00:00:00 2001
From: "John W. Linville" <linville@tuxdriver.com>
Date: Tue, 27 Oct 2009 15:15:05 -0400
Subject: [PATCH 0561/1815] wl1251: re-disable PG10 chips

"wl1251: add support for PG11 chips." accidentally enabled PG10 chips as
well...

Reported-by: Kalle Valo <kalle.valo@iki.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1251_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/wl12xx/wl1251_main.c b/drivers/net/wireless/wl12xx/wl1251_main.c
index ec01e9dadb0..48b0bfd6c55 100644
--- a/drivers/net/wireless/wl12xx/wl1251_main.c
+++ b/drivers/net/wireless/wl12xx/wl1251_main.c
@@ -183,11 +183,11 @@ static int wl1251_chip_wakeup(struct wl1251 *wl)
 		wl1251_debug(DEBUG_BOOT, "chip id 0x%x (1251 PG12)",
 			     wl->chip_id);
 		break;
-	case CHIP_ID_1251_PG10:
 	case CHIP_ID_1251_PG11:
 		wl1251_debug(DEBUG_BOOT, "chip id 0x%x (1251 PG11)",
 			     wl->chip_id);
 		break;
+	case CHIP_ID_1251_PG10:
 	default:
 		wl1251_error("unsupported chip id: 0x%x", wl->chip_id);
 		ret = -ENODEV;
-- 
GitLab


From 1f80989e8b7f79d8e916b14600488489bdd5569f Mon Sep 17 00:00:00 2001
From: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Date: Fri, 16 Oct 2009 14:25:49 -0700
Subject: [PATCH 0562/1815] iwl3945: disable all tx fifos

Disable the all the tx fifos while stopping the tx queues.

Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-3945.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index b188a026637..9f18b4cba95 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -1219,6 +1219,7 @@ void iwl3945_hw_txq_ctx_stop(struct iwl_priv *priv)
 
 	/* stop SCD */
 	iwl_write_prph(priv, ALM_SCD_MODE_REG, 0);
+	iwl_write_prph(priv, ALM_SCD_TXFACT_REG, 0);
 
 	/* reset TFD queues */
 	for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++) {
-- 
GitLab


From c09430abed4159e5c56aaea257d040f7452daba6 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 16 Oct 2009 14:25:50 -0700
Subject: [PATCH 0563/1815] iwlwifi: show current power save status reported by
 uCode

Power save request is sent from driver to uCode, but there is no
indication from uCode about the current device power save state.

Reading GP_CNTRL register bit 25:24 to show the current power save
status

00: no power save
01: MAC power down
10: PHY power down
11: Error

The uCode could switch in and out of power save mode in the order of
once per 100-300 ms in many cases. The reading here should just be used for
reference on the current uCode power save status. Do not confuse this
reading with the PowerSave set by driver and mac80211.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-csr.h     |  5 +++++
 drivers/net/wireless/iwlwifi/iwl-debug.h   |  1 +
 drivers/net/wireless/iwlwifi/iwl-debugfs.c | 26 ++++++++++++++++++++++
 3 files changed, 32 insertions(+)

diff --git a/drivers/net/wireless/iwlwifi/iwl-csr.h b/drivers/net/wireless/iwlwifi/iwl-csr.h
index 8f183e0fa51..401e1e01be6 100644
--- a/drivers/net/wireless/iwlwifi/iwl-csr.h
+++ b/drivers/net/wireless/iwlwifi/iwl-csr.h
@@ -235,6 +235,11 @@
 #define CSR_OTP_GP_REG_OTP_ACCESS_MODE	(0x00020000) /* 0 - absolute, 1 - relative */
 #define CSR_OTP_GP_REG_ECC_CORR_STATUS_MSK          (0x00100000) /* bit 20 */
 #define CSR_OTP_GP_REG_ECC_UNCORR_STATUS_MSK        (0x00200000) /* bit 21 */
+#define CSR_GP_REG_POWER_SAVE_STATUS_MSK            (0x03000000) /* bit 24/25 */
+#define CSR_GP_REG_NO_POWER_SAVE            (0x00000000)
+#define CSR_GP_REG_MAC_POWER_SAVE           (0x01000000)
+#define CSR_GP_REG_PHY_POWER_SAVE           (0x02000000)
+#define CSR_GP_REG_POWER_SAVE_ERROR         (0x03000000)
 
 /* EEPROM signature */
 #define CSR_EEPROM_GP_BAD_SIGNATURE_BOTH_EEP_AND_OTP	(0x00000000)
diff --git a/drivers/net/wireless/iwlwifi/iwl-debug.h b/drivers/net/wireless/iwlwifi/iwl-debug.h
index b9ca475cc61..96c92eab692 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debug.h
+++ b/drivers/net/wireless/iwlwifi/iwl-debug.h
@@ -106,6 +106,7 @@ struct iwl_debugfs {
 		struct dentry *file_sensitivity;
 		struct dentry *file_chain_noise;
 		struct dentry *file_tx_power;
+		struct dentry *file_power_save_status;
 	} dbgfs_debug_files;
 	u32 sram_offset;
 	u32 sram_len;
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index 2cd11ba9637..e78cd26b809 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -1802,6 +1802,29 @@ static ssize_t iwl_dbgfs_tx_power_read(struct file *file,
 	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 }
 
+static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
+						    char __user *user_buf,
+						    size_t count, loff_t *ppos)
+{
+	struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
+	char buf[60];
+	int pos = 0;
+	const size_t bufsz = sizeof(buf);
+	u32 pwrsave_status;
+
+	pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) &
+			CSR_GP_REG_POWER_SAVE_STATUS_MSK;
+
+	pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
+	pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
+		(pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
+		(pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
+		(pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
+		"error");
+
+	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+}
+
 DEBUGFS_READ_WRITE_FILE_OPS(rx_statistics);
 DEBUGFS_READ_WRITE_FILE_OPS(tx_statistics);
 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
@@ -1813,6 +1836,7 @@ DEBUGFS_READ_FILE_OPS(ucode_general_stats);
 DEBUGFS_READ_FILE_OPS(sensitivity);
 DEBUGFS_READ_FILE_OPS(chain_noise);
 DEBUGFS_READ_FILE_OPS(tx_power);
+DEBUGFS_READ_FILE_OPS(power_save_status);
 
 /*
  * Create the debugfs files and directories
@@ -1860,6 +1884,7 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
 	DEBUGFS_ADD_FILE(rx_queue, debug);
 	DEBUGFS_ADD_FILE(tx_queue, debug);
 	DEBUGFS_ADD_FILE(tx_power, debug);
+	DEBUGFS_ADD_FILE(power_save_status, debug);
 	if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
 		DEBUGFS_ADD_FILE(ucode_rx_stats, debug);
 		DEBUGFS_ADD_FILE(ucode_tx_stats, debug);
@@ -1912,6 +1937,7 @@ void iwl_dbgfs_unregister(struct iwl_priv *priv)
 	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_queue);
 	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_queue);
 	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_power);
+	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_power_save_status);
 	if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
 		DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
 			file_ucode_rx_stats);
-- 
GitLab


From 32b7e244f2b1082ac0a1cda1b088574f2d590496 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 16 Oct 2009 14:25:51 -0700
Subject: [PATCH 0564/1815] iwlwifi: identify eeprom version for 6x50 series
 NIC

Adding support for 6x50 series EEPROM version check, 6x50 is wifi/wimax
combo device which has different EEPROM map

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-6000.c   | 6 +++---
 drivers/net/wireless/iwlwifi/iwl-eeprom.h | 5 ++++-
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index bdc1c74b682..e74dad3280c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -399,7 +399,7 @@ struct iwl_cfg iwl6050_2agn_cfg = {
 	.sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
 	.ops = &iwl6000_ops,
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
-	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
+	.eeprom_ver = EEPROM_6050_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
 	.num_of_queues = IWL50_NUM_QUEUES,
 	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
@@ -425,7 +425,7 @@ struct iwl_cfg iwl6050_2abg_cfg = {
 	.sku = IWL_SKU_A|IWL_SKU_G,
 	.ops = &iwl6000_ops,
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
-	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
+	.eeprom_ver = EEPROM_6050_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
 	.num_of_queues = IWL50_NUM_QUEUES,
 	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
@@ -476,7 +476,7 @@ struct iwl_cfg iwl6050_3agn_cfg = {
 	.sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
 	.ops = &iwl6000_ops,
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
-	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
+	.eeprom_ver = EEPROM_6050_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
 	.num_of_queues = IWL50_NUM_QUEUES,
 	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.h b/drivers/net/wireless/iwlwifi/iwl-eeprom.h
index b363c96fd6c..5ba5a4e9e49 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.h
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.h
@@ -261,9 +261,12 @@ struct iwl_eeprom_enhanced_txpwr {
 /* 1000 Specific */
 #define EEPROM_1000_EEPROM_VERSION	(0x15C)
 
-/* 60x0 Specific */
+/* 6x00 Specific */
 #define EEPROM_6000_EEPROM_VERSION	(0x434)
 
+/* 6x50 Specific */
+#define EEPROM_6050_EEPROM_VERSION	(0x532)
+
 /* OTP */
 /* lower blocks contain EEPROM image and calibration data */
 #define OTP_LOW_IMAGE_SIZE		(2 * 512 * sizeof(u16)) /* 2 KB */
-- 
GitLab


From 3ab312a893bbfc0fad7b1b644b3d477905773b1a Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 16 Oct 2009 14:25:52 -0700
Subject: [PATCH 0565/1815] iwlwifi: fix incorrect otp blocks number for 6x50
 series

For 6x50 series, number of OTP blocks is different from 6x00 series

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-6000.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index e74dad3280c..887e4e3674c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -408,7 +408,7 @@ struct iwl_cfg iwl6050_2agn_cfg = {
 	.valid_rx_ant = ANT_AB,
 	.need_pll_cfg = false,
 	.pa_type = IWL_PA_SYSTEM,
-	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
+	.max_ll_items = OTP_MAX_LL_ITEMS_6x50,
 	.shadow_ram_support = true,
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
@@ -434,7 +434,7 @@ struct iwl_cfg iwl6050_2abg_cfg = {
 	.valid_rx_ant = ANT_AB,
 	.need_pll_cfg = false,
 	.pa_type = IWL_PA_SYSTEM,
-	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
+	.max_ll_items = OTP_MAX_LL_ITEMS_6x50,
 	.shadow_ram_support = true,
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
@@ -485,7 +485,7 @@ struct iwl_cfg iwl6050_3agn_cfg = {
 	.valid_rx_ant = ANT_ABC,
 	.need_pll_cfg = false,
 	.pa_type = IWL_PA_SYSTEM,
-	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
+	.max_ll_items = OTP_MAX_LL_ITEMS_6x50,
 	.shadow_ram_support = true,
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
-- 
GitLab


From f0b6e2e8cbc6026d3d6d3087032f5eceafaee0b8 Mon Sep 17 00:00:00 2001
From: Reinette Chatre <reinette.chatre@intel.com>
Date: Fri, 16 Oct 2009 14:25:53 -0700
Subject: [PATCH 0566/1815] iwlwifi: move iwl_setup_mac to iwlagn

This function is only used in iwlagn so there is no need to have it in
iwlcore.

Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn.c  | 62 +++++++++++++++++++++++++
 drivers/net/wireless/iwlwifi/iwl-core.c | 58 -----------------------
 drivers/net/wireless/iwlwifi/iwl-core.h |  1 -
 3 files changed, 62 insertions(+), 59 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index fc7a51144f0..6c4fa011a92 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -2284,6 +2284,68 @@ void iwl_post_associate(struct iwl_priv *priv)
 
 #define UCODE_READY_TIMEOUT	(4 * HZ)
 
+/*
+ * Not a mac80211 entry point function, but it fits in with all the
+ * other mac80211 functions grouped here.
+ */
+static int iwl_setup_mac(struct iwl_priv *priv)
+{
+	int ret;
+	struct ieee80211_hw *hw = priv->hw;
+	hw->rate_control_algorithm = "iwl-agn-rs";
+
+	/* Tell mac80211 our characteristics */
+	hw->flags = IEEE80211_HW_SIGNAL_DBM |
+		    IEEE80211_HW_NOISE_DBM |
+		    IEEE80211_HW_AMPDU_AGGREGATION |
+		    IEEE80211_HW_SPECTRUM_MGMT;
+
+	if (!priv->cfg->broken_powersave)
+		hw->flags |= IEEE80211_HW_SUPPORTS_PS |
+			     IEEE80211_HW_SUPPORTS_DYNAMIC_PS;
+
+	hw->wiphy->interface_modes =
+		BIT(NL80211_IFTYPE_STATION) |
+		BIT(NL80211_IFTYPE_ADHOC);
+
+	hw->wiphy->custom_regulatory = true;
+
+	/* Firmware does not support this */
+	hw->wiphy->disable_beacon_hints = true;
+
+	/*
+	 * For now, disable PS by default because it affects
+	 * RX performance significantly.
+	 */
+	hw->wiphy->ps_default = false;
+
+	hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
+	/* we create the 802.11 header and a zero-length SSID element */
+	hw->wiphy->max_scan_ie_len = IWL_MAX_PROBE_REQUEST - 24 - 2;
+
+	/* Default value; 4 EDCA QOS priorities */
+	hw->queues = 4;
+
+	hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL;
+
+	if (priv->bands[IEEE80211_BAND_2GHZ].n_channels)
+		priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
+			&priv->bands[IEEE80211_BAND_2GHZ];
+	if (priv->bands[IEEE80211_BAND_5GHZ].n_channels)
+		priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
+			&priv->bands[IEEE80211_BAND_5GHZ];
+
+	ret = ieee80211_register_hw(priv->hw);
+	if (ret) {
+		IWL_ERR(priv, "Failed to register hw (error %d)\n", ret);
+		return ret;
+	}
+	priv->mac80211_registered = 1;
+
+	return 0;
+}
+
+
 static int iwl_mac_start(struct ieee80211_hw *hw)
 {
 	struct iwl_priv *priv = hw->priv;
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 3e6ce5ce36a..7ce8663fdb7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1429,64 +1429,6 @@ void iwl_configure_filter(struct ieee80211_hw *hw,
 }
 EXPORT_SYMBOL(iwl_configure_filter);
 
-int iwl_setup_mac(struct iwl_priv *priv)
-{
-	int ret;
-	struct ieee80211_hw *hw = priv->hw;
-	hw->rate_control_algorithm = "iwl-agn-rs";
-
-	/* Tell mac80211 our characteristics */
-	hw->flags = IEEE80211_HW_SIGNAL_DBM |
-		    IEEE80211_HW_NOISE_DBM |
-		    IEEE80211_HW_AMPDU_AGGREGATION |
-		    IEEE80211_HW_SPECTRUM_MGMT;
-
-	if (!priv->cfg->broken_powersave)
-		hw->flags |= IEEE80211_HW_SUPPORTS_PS |
-			     IEEE80211_HW_SUPPORTS_DYNAMIC_PS;
-
-	hw->wiphy->interface_modes =
-		BIT(NL80211_IFTYPE_STATION) |
-		BIT(NL80211_IFTYPE_ADHOC);
-
-	hw->wiphy->custom_regulatory = true;
-
-	/* Firmware does not support this */
-	hw->wiphy->disable_beacon_hints = true;
-
-	/*
-	 * For now, disable PS by default because it affects
-	 * RX performance significantly.
-	 */
-	hw->wiphy->ps_default = false;
-
-	hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
-	/* we create the 802.11 header and a zero-length SSID element */
-	hw->wiphy->max_scan_ie_len = IWL_MAX_PROBE_REQUEST - 24 - 2;
-
-	/* Default value; 4 EDCA QOS priorities */
-	hw->queues = 4;
-
-	hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL;
-
-	if (priv->bands[IEEE80211_BAND_2GHZ].n_channels)
-		priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
-			&priv->bands[IEEE80211_BAND_2GHZ];
-	if (priv->bands[IEEE80211_BAND_5GHZ].n_channels)
-		priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
-			&priv->bands[IEEE80211_BAND_5GHZ];
-
-	ret = ieee80211_register_hw(priv->hw);
-	if (ret) {
-		IWL_ERR(priv, "Failed to register hw (error %d)\n", ret);
-		return ret;
-	}
-	priv->mac80211_registered = 1;
-
-	return 0;
-}
-EXPORT_SYMBOL(iwl_setup_mac);
-
 int iwl_set_hw_params(struct iwl_priv *priv)
 {
 	priv->hw_params.max_rxq_size = RX_QUEUE_SIZE;
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index b877f8893fd..a2a580df3d9 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -305,7 +305,6 @@ void iwl_configure_filter(struct ieee80211_hw *hw,
 			  unsigned int changed_flags,
 			  unsigned int *total_flags, u64 multicast);
 int iwl_hw_nic_init(struct iwl_priv *priv);
-int iwl_setup_mac(struct iwl_priv *priv);
 int iwl_set_hw_params(struct iwl_priv *priv);
 int iwl_init_drv(struct iwl_priv *priv);
 void iwl_uninit_drv(struct iwl_priv *priv);
-- 
GitLab


From cc1282f63b53d0967bd96ed56aa3d2463dc4b4b6 Mon Sep 17 00:00:00 2001
From: Reinette Chatre <reinette.chatre@intel.com>
Date: Fri, 16 Oct 2009 14:25:54 -0700
Subject: [PATCH 0567/1815] iwlwifi: move rate scaling structures to header
 file

Move to header file so they can be included and used in other parts of the
driver.

Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn-rs.c | 100 ---------------------
 drivers/net/wireless/iwlwifi/iwl-agn-rs.h | 101 ++++++++++++++++++++++
 2 files changed, 101 insertions(+), 100 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
index a07be29cc5e..2d4ec1a6595 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
@@ -75,106 +75,6 @@ static const u8 ant_toggle_lookup[] = {
 	/*ANT_ABC  -> */ ANT_ABC,
 };
 
-/**
- * struct iwl_rate_scale_data -- tx success history for one rate
- */
-struct iwl_rate_scale_data {
-	u64 data;		/* bitmap of successful frames */
-	s32 success_counter;	/* number of frames successful */
-	s32 success_ratio;	/* per-cent * 128  */
-	s32 counter;		/* number of frames attempted */
-	s32 average_tpt;	/* success ratio * expected throughput */
-	unsigned long stamp;
-};
-
-/**
- * struct iwl_scale_tbl_info -- tx params and success history for all rates
- *
- * There are two of these in struct iwl_lq_sta,
- * one for "active", and one for "search".
- */
-struct iwl_scale_tbl_info {
-	enum iwl_table_type lq_type;
-	u8 ant_type;
-	u8 is_SGI;	/* 1 = short guard interval */
-	u8 is_ht40;	/* 1 = 40 MHz channel width */
-	u8 is_dup;	/* 1 = duplicated data streams */
-	u8 action;	/* change modulation; IWL_[LEGACY/SISO/MIMO]_SWITCH_* */
-	u8 max_search;	/* maximun number of tables we can search */
-	s32 *expected_tpt;	/* throughput metrics; expected_tpt_G, etc. */
-	u32 current_rate;  /* rate_n_flags, uCode API format */
-	struct iwl_rate_scale_data win[IWL_RATE_COUNT]; /* rate histories */
-};
-
-struct iwl_traffic_load {
-	unsigned long time_stamp;	/* age of the oldest statistics */
-	u32 packet_count[TID_QUEUE_MAX_SIZE];   /* packet count in this time
-						 * slice */
-	u32 total;			/* total num of packets during the
-					 * last TID_MAX_TIME_DIFF */
-	u8 queue_count;			/* number of queues that has
-					 * been used since the last cleanup */
-	u8 head;			/* start of the circular buffer */
-};
-
-/**
- * struct iwl_lq_sta -- driver's rate scaling private structure
- *
- * Pointer to this gets passed back and forth between driver and mac80211.
- */
-struct iwl_lq_sta {
-	u8 active_tbl;		/* index of active table, range 0-1 */
-	u8 enable_counter;	/* indicates HT mode */
-	u8 stay_in_tbl;		/* 1: disallow, 0: allow search for new mode */
-	u8 search_better_tbl;	/* 1: currently trying alternate mode */
-	s32 last_tpt;
-
-	/* The following determine when to search for a new mode */
-	u32 table_count_limit;
-	u32 max_failure_limit;	/* # failed frames before new search */
-	u32 max_success_limit;	/* # successful frames before new search */
-	u32 table_count;
-	u32 total_failed;	/* total failed frames, any/all rates */
-	u32 total_success;	/* total successful frames, any/all rates */
-	u64 flush_timer;	/* time staying in mode before new search */
-
-	u8 action_counter;	/* # mode-switch actions tried */
-	u8 is_green;
-	u8 is_dup;
-	enum ieee80211_band band;
-	u8 ibss_sta_added;
-
-	/* The following are bitmaps of rates; IWL_RATE_6M_MASK, etc. */
-	u32 supp_rates;
-	u16 active_legacy_rate;
-	u16 active_siso_rate;
-	u16 active_mimo2_rate;
-	u16 active_mimo3_rate;
-	u16 active_rate_basic;
-	s8 max_rate_idx;     /* Max rate set by user */
-	u8 missed_rate_counter;
-
-	struct iwl_link_quality_cmd lq;
-	struct iwl_scale_tbl_info lq_info[LQ_SIZE]; /* "active", "search" */
-	struct iwl_traffic_load load[TID_MAX_LOAD_COUNT];
-	u8 tx_agg_tid_en;
-#ifdef CONFIG_MAC80211_DEBUGFS
-	struct dentry *rs_sta_dbgfs_scale_table_file;
-	struct dentry *rs_sta_dbgfs_stats_table_file;
-	struct dentry *rs_sta_dbgfs_rate_scale_data_file;
-	struct dentry *rs_sta_dbgfs_tx_agg_tid_en_file;
-	u32 dbg_fixed_rate;
-#endif
-	struct iwl_priv *drv;
-
-	/* used to be in sta_info */
-	int last_txrate_idx;
-	/* last tx rate_n_flags */
-	u32 last_rate_n_flags;
-	/* packets destined for this STA are aggregated */
-	u8 is_agg;
-};
-
 static void rs_rate_scale_perform(struct iwl_priv *priv,
 				   struct sk_buff *skb,
 				   struct ieee80211_sta *sta,
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.h b/drivers/net/wireless/iwlwifi/iwl-agn-rs.h
index 9fac530cfb7..affc0c5a2f2 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.h
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.h
@@ -54,6 +54,7 @@ struct iwl3945_rate_info {
 	u8 prev_table_rs;	/* prev in rate table cmd */
 };
 
+
 /*
  * These serve as indexes into
  * struct iwl_rate_info iwl_rates[IWL_RATE_COUNT];
@@ -335,6 +336,106 @@ struct iwl_rate_mcs_info {
 	char	mcs[IWL_MAX_MCS_DISPLAY_SIZE];
 };
 
+/**
+ * struct iwl_rate_scale_data -- tx success history for one rate
+ */
+struct iwl_rate_scale_data {
+	u64 data;		/* bitmap of successful frames */
+	s32 success_counter;	/* number of frames successful */
+	s32 success_ratio;	/* per-cent * 128  */
+	s32 counter;		/* number of frames attempted */
+	s32 average_tpt;	/* success ratio * expected throughput */
+	unsigned long stamp;
+};
+
+/**
+ * struct iwl_scale_tbl_info -- tx params and success history for all rates
+ *
+ * There are two of these in struct iwl_lq_sta,
+ * one for "active", and one for "search".
+ */
+struct iwl_scale_tbl_info {
+	enum iwl_table_type lq_type;
+	u8 ant_type;
+	u8 is_SGI;	/* 1 = short guard interval */
+	u8 is_ht40;	/* 1 = 40 MHz channel width */
+	u8 is_dup;	/* 1 = duplicated data streams */
+	u8 action;	/* change modulation; IWL_[LEGACY/SISO/MIMO]_SWITCH_* */
+	u8 max_search;	/* maximun number of tables we can search */
+	s32 *expected_tpt;	/* throughput metrics; expected_tpt_G, etc. */
+	u32 current_rate;  /* rate_n_flags, uCode API format */
+	struct iwl_rate_scale_data win[IWL_RATE_COUNT]; /* rate histories */
+};
+
+struct iwl_traffic_load {
+	unsigned long time_stamp;	/* age of the oldest statistics */
+	u32 packet_count[TID_QUEUE_MAX_SIZE];   /* packet count in this time
+						 * slice */
+	u32 total;			/* total num of packets during the
+					 * last TID_MAX_TIME_DIFF */
+	u8 queue_count;			/* number of queues that has
+					 * been used since the last cleanup */
+	u8 head;			/* start of the circular buffer */
+};
+
+/**
+ * struct iwl_lq_sta -- driver's rate scaling private structure
+ *
+ * Pointer to this gets passed back and forth between driver and mac80211.
+ */
+struct iwl_lq_sta {
+	u8 active_tbl;		/* index of active table, range 0-1 */
+	u8 enable_counter;	/* indicates HT mode */
+	u8 stay_in_tbl;		/* 1: disallow, 0: allow search for new mode */
+	u8 search_better_tbl;	/* 1: currently trying alternate mode */
+	s32 last_tpt;
+
+	/* The following determine when to search for a new mode */
+	u32 table_count_limit;
+	u32 max_failure_limit;	/* # failed frames before new search */
+	u32 max_success_limit;	/* # successful frames before new search */
+	u32 table_count;
+	u32 total_failed;	/* total failed frames, any/all rates */
+	u32 total_success;	/* total successful frames, any/all rates */
+	u64 flush_timer;	/* time staying in mode before new search */
+
+	u8 action_counter;	/* # mode-switch actions tried */
+	u8 is_green;
+	u8 is_dup;
+	enum ieee80211_band band;
+	u8 ibss_sta_added;
+
+	/* The following are bitmaps of rates; IWL_RATE_6M_MASK, etc. */
+	u32 supp_rates;
+	u16 active_legacy_rate;
+	u16 active_siso_rate;
+	u16 active_mimo2_rate;
+	u16 active_mimo3_rate;
+	u16 active_rate_basic;
+	s8 max_rate_idx;     /* Max rate set by user */
+	u8 missed_rate_counter;
+
+	struct iwl_link_quality_cmd lq;
+	struct iwl_scale_tbl_info lq_info[LQ_SIZE]; /* "active", "search" */
+	struct iwl_traffic_load load[TID_MAX_LOAD_COUNT];
+	u8 tx_agg_tid_en;
+#ifdef CONFIG_MAC80211_DEBUGFS
+	struct dentry *rs_sta_dbgfs_scale_table_file;
+	struct dentry *rs_sta_dbgfs_stats_table_file;
+	struct dentry *rs_sta_dbgfs_rate_scale_data_file;
+	struct dentry *rs_sta_dbgfs_tx_agg_tid_en_file;
+	u32 dbg_fixed_rate;
+#endif
+	struct iwl_priv *drv;
+
+	/* used to be in sta_info */
+	int last_txrate_idx;
+	/* last tx rate_n_flags */
+	u32 last_rate_n_flags;
+	/* packets destined for this STA are aggregated */
+	u8 is_agg;
+};
+
 static inline u8 num_of_ant(u8 mask)
 {
 	return  !!((mask) & ANT_A) +
-- 
GitLab


From 8d9698b3e6ce3c50f9ec5a0aaea4da82d5af7779 Mon Sep 17 00:00:00 2001
From: Reinette Chatre <reinette.chatre@intel.com>
Date: Fri, 16 Oct 2009 14:25:55 -0700
Subject: [PATCH 0568/1815] iwlagn: store station rate scale information in
 mac80211 station structure

Currently mac80211 initializes the rate scaling before notifying the driver
of the station's existence. The driver dealt with this by not relying on
mac80211's station notifications and instead mixing this functionality with
the rate scaling code and other places. To clean this up the driver needs
to do rate scaling initialization after being notified of the station, this
can be done if the rate scaling information forms part of the station
information passed from mac80211 to driver.

Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn-rs.c |  8 ++------
 drivers/net/wireless/iwlwifi/iwl-agn.c    |  1 +
 drivers/net/wireless/iwlwifi/iwl-dev.h    | 13 +++++++++++++
 3 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
index 2d4ec1a6595..27d4ece4d46 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
@@ -2475,19 +2475,17 @@ static void *rs_alloc_sta(void *priv_rate, struct ieee80211_sta *sta,
 			  gfp_t gfp)
 {
 	struct iwl_lq_sta *lq_sta;
+	struct iwl_station_priv *sta_priv = (struct iwl_station_priv *) sta->drv_priv;
 	struct iwl_priv *priv;
 	int i, j;
 
 	priv = (struct iwl_priv *)priv_rate;
 	IWL_DEBUG_RATE(priv, "create station rate scale window\n");
 
-	lq_sta = kzalloc(sizeof(struct iwl_lq_sta), gfp);
+	lq_sta = &sta_priv->lq_sta;
 
-	if (lq_sta == NULL)
-		return NULL;
 	lq_sta->lq.sta_id = 0xff;
 
-
 	for (j = 0; j < LQ_SIZE; j++)
 		for (i = 0; i < IWL_RATE_COUNT; i++)
 			rs_rate_scale_clear_window(&lq_sta->lq_info[j].win[i]);
@@ -2719,11 +2717,9 @@ static void rs_free(void *priv_rate)
 static void rs_free_sta(void *priv_r, struct ieee80211_sta *sta,
 			void *priv_sta)
 {
-	struct iwl_lq_sta *lq_sta = priv_sta;
 	struct iwl_priv *priv __maybe_unused = priv_r;
 
 	IWL_DEBUG_RATE(priv, "enter\n");
-	kfree(lq_sta);
 	IWL_DEBUG_RATE(priv, "leave\n");
 }
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 6c4fa011a92..64d918787e8 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -2304,6 +2304,7 @@ static int iwl_setup_mac(struct iwl_priv *priv)
 		hw->flags |= IEEE80211_HW_SUPPORTS_PS |
 			     IEEE80211_HW_SUPPORTS_DYNAMIC_PS;
 
+	hw->sta_data_size = sizeof(struct iwl_station_priv);
 	hw->wiphy->interface_modes =
 		BIT(NL80211_IFTYPE_STATION) |
 		BIT(NL80211_IFTYPE_ADHOC);
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 35d579455c3..6ba082d6ab1 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -576,6 +576,19 @@ struct iwl_station_entry {
 	struct iwl_hw_key keyinfo;
 };
 
+/*
+ * iwl_station_priv: Driver's private station information
+ *
+ * When mac80211 creates a station it reserves some space (hw->sta_data_size)
+ * in the structure for use by driver. This structure is places in that
+ * space.
+ *
+ * At the moment use it for the station's rate scaling information.
+ */
+struct iwl_station_priv {
+	struct iwl_lq_sta lq_sta;
+};
+
 /* one for each uCode image (inst/data, boot/init/runtime) */
 struct fw_desc {
 	void *v_addr;		/* access by driver */
-- 
GitLab


From 32004ee42fced8b2372dd2f93e65cc9d71e8c4bf Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 16 Oct 2009 14:25:56 -0700
Subject: [PATCH 0569/1815] iwlwifi: set auto clock gate disable bit for
 6x00/6x50 series

For 6x00 and 6x50 series NIC with OTP shadow RAM, set auto clock gate
disable bit when initializing OTP access.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-csr.h    | 6 ++++--
 drivers/net/wireless/iwlwifi/iwl-eeprom.c | 8 ++++++++
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-csr.h b/drivers/net/wireless/iwlwifi/iwl-csr.h
index 401e1e01be6..b6ed5a3147a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-csr.h
+++ b/drivers/net/wireless/iwlwifi/iwl-csr.h
@@ -109,8 +109,9 @@
  * Bit fields:
  *  3-2:  0 = A, 1 = B, 2 = C, 3 = D step
  */
-#define CSR_HW_REV_WA_REG	(CSR_BASE+0x22C)
-#define CSR_DBG_HPET_MEM_REG	(CSR_BASE+0x240)
+#define CSR_HW_REV_WA_REG		(CSR_BASE+0x22C)
+#define CSR_DBG_HPET_MEM_REG		(CSR_BASE+0x240)
+#define CSR_DBG_LINK_PWR_MGMT_REG	(CSR_BASE+0x250)
 
 /* Bits for CSR_HW_IF_CONFIG_REG */
 #define CSR49_HW_IF_CONFIG_REG_BIT_4965_R	(0x00000010)
@@ -195,6 +196,7 @@
 #define CSR_RESET_REG_FLAG_SW_RESET                  (0x00000080)
 #define CSR_RESET_REG_FLAG_MASTER_DISABLED           (0x00000100)
 #define CSR_RESET_REG_FLAG_STOP_MASTER               (0x00000200)
+#define CSR_RESET_LINK_PWR_MGMT_DISABLED             (0x80000000)
 
 /* GP (general purpose) CONTROL */
 #define CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY        (0x00000001)
diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
index 2e8c40576d2..9429cb1c69b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.c
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
@@ -358,6 +358,14 @@ static int iwl_init_otp_access(struct iwl_priv *priv)
 		udelay(5);
 		iwl_clear_bits_prph(priv, APMG_PS_CTRL_REG,
 				    APMG_PS_CTRL_VAL_RESET_REQ);
+
+		/*
+		 * CSR auto clock gate disable bit -
+		 * this is only applicable for HW with OTP shadow RAM
+		 */
+		if (priv->cfg->shadow_ram_support)
+			iwl_set_bit(priv, CSR_DBG_LINK_PWR_MGMT_REG,
+				CSR_RESET_LINK_PWR_MGMT_DISABLED);
 	}
 	return ret;
 }
-- 
GitLab


From 9444b188022418c624ce32584c3b9544b500d15e Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 16 Oct 2009 14:25:57 -0700
Subject: [PATCH 0570/1815] iwlwifi: no chain noise support for 6x50 series

For initial bring up of 6x50 series NICs, no chain noise support in
uCode, this feature will be added in the later stage of development.

Two chain noise related functions are removed from 6x50 series:
1. gain computation
2. chain noise reset

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-6000.c | 21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index 887e4e3674c..b5318132448 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -232,6 +232,21 @@ static struct iwl_ops iwl6000_ops = {
 	.led = &iwlagn_led_ops,
 };
 
+static struct iwl_hcmd_utils_ops iwl6050_hcmd_utils = {
+	.get_hcmd_size = iwl5000_get_hcmd_size,
+	.build_addsta_hcmd = iwl5000_build_addsta_hcmd,
+	.rts_tx_cmd_flag = iwl5000_rts_tx_cmd_flag,
+	.calc_rssi = iwl5000_calc_rssi,
+};
+
+static struct iwl_ops iwl6050_ops = {
+	.ucode = &iwl5000_ucode,
+	.lib = &iwl6000_lib,
+	.hcmd = &iwl5000_hcmd,
+	.utils = &iwl6050_hcmd_utils,
+	.led = &iwlagn_led_ops,
+};
+
 
 /*
  * "h": Hybrid configuration, use both internal and external Power Amplifier
@@ -397,7 +412,7 @@ struct iwl_cfg iwl6050_2agn_cfg = {
 	.ucode_api_max = IWL6050_UCODE_API_MAX,
 	.ucode_api_min = IWL6050_UCODE_API_MIN,
 	.sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
-	.ops = &iwl6000_ops,
+	.ops = &iwl6050_ops,
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
 	.eeprom_ver = EEPROM_6050_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
@@ -423,7 +438,7 @@ struct iwl_cfg iwl6050_2abg_cfg = {
 	.ucode_api_max = IWL6050_UCODE_API_MAX,
 	.ucode_api_min = IWL6050_UCODE_API_MIN,
 	.sku = IWL_SKU_A|IWL_SKU_G,
-	.ops = &iwl6000_ops,
+	.ops = &iwl6050_ops,
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
 	.eeprom_ver = EEPROM_6050_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
@@ -474,7 +489,7 @@ struct iwl_cfg iwl6050_3agn_cfg = {
 	.ucode_api_max = IWL6050_UCODE_API_MAX,
 	.ucode_api_min = IWL6050_UCODE_API_MIN,
 	.sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
-	.ops = &iwl6000_ops,
+	.ops = &iwl6050_ops,
 	.eeprom_size = OTP_LOW_IMAGE_SIZE,
 	.eeprom_ver = EEPROM_6050_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
-- 
GitLab


From 4ad177b5c860dc0b1083eccc55957daf4a116b90 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 16 Oct 2009 14:25:58 -0700
Subject: [PATCH 0571/1815] iwlwifi: rework for static power save

For static power save, the actual intervals are calculated by driver based on
the default table and DTIM flag, then sent to uCode when the scheme
is changed.

Three tables are defined based on DTIM period.
	1. DTIM 0 - 2
	2. DTIM 3 - 10
	3. DTIM > 11

The actual number of DTIM a station may miss may not exceed the
following:
	. Only 1 DTIM may be skipped at PI=4 when allowed
	. Only 2 DTIMs may be skipped at PI=5 when allowed
	. DTIM may be skipped only 5 sec after last activity
	. DTIM may be skipped only 30 sec after connection establishment

Only allow user to override the power_level when rf is ready to make sure
power level gets changed upon request.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-debugfs.c |  5 +-
 drivers/net/wireless/iwlwifi/iwl-power.c   | 75 +++++++++++++++-------
 drivers/net/wireless/iwlwifi/iwl-power.h   |  2 +
 3 files changed, 59 insertions(+), 23 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index e78cd26b809..8784911fd56 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -809,9 +809,12 @@ static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
 	if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
 		return -EINVAL;
 
+	if (!iwl_is_ready_rf(priv))
+		return -EAGAIN;
+
 	priv->power_data.debug_sleep_level_override = value;
 
-	iwl_power_update_mode(priv, false);
+	iwl_power_update_mode(priv, true);
 
 	return count;
 }
diff --git a/drivers/net/wireless/iwlwifi/iwl-power.c b/drivers/net/wireless/iwlwifi/iwl-power.c
index 9c6b1495206..150ff87af33 100644
--- a/drivers/net/wireless/iwlwifi/iwl-power.c
+++ b/drivers/net/wireless/iwlwifi/iwl-power.c
@@ -66,7 +66,7 @@ MODULE_PARM_DESC(no_sleep_autoadjust,
 
 struct iwl_power_vec_entry {
 	struct iwl_powertable_cmd cmd;
-	u8 no_dtim;
+	u8 no_dtim;	/* number of skip dtim */
 };
 
 #define IWL_DTIM_RANGE_0_MAX	2
@@ -83,8 +83,9 @@ struct iwl_power_vec_entry {
 				     cpu_to_le32(X4)}
 /* default power management (not Tx power) table values */
 /* for DTIM period 0 through IWL_DTIM_RANGE_0_MAX */
+/* DTIM 0 - 2 */
 static const struct iwl_power_vec_entry range_0[IWL_POWER_NUM] = {
-	{{SLP, SLP_TOUT(200), SLP_TOUT(500), SLP_VEC(1, 2, 2, 2, 0xFF)}, 0},
+	{{SLP, SLP_TOUT(200), SLP_TOUT(500), SLP_VEC(1, 1, 2, 2, 0xFF)}, 0},
 	{{SLP, SLP_TOUT(200), SLP_TOUT(300), SLP_VEC(1, 2, 2, 2, 0xFF)}, 0},
 	{{SLP, SLP_TOUT(50), SLP_TOUT(100), SLP_VEC(2, 2, 2, 2, 0xFF)}, 0},
 	{{SLP, SLP_TOUT(50), SLP_TOUT(25), SLP_VEC(2, 2, 4, 4, 0xFF)}, 1},
@@ -93,15 +94,17 @@ static const struct iwl_power_vec_entry range_0[IWL_POWER_NUM] = {
 
 
 /* for DTIM period IWL_DTIM_RANGE_0_MAX + 1 through IWL_DTIM_RANGE_1_MAX */
+/* DTIM 3 - 10 */
 static const struct iwl_power_vec_entry range_1[IWL_POWER_NUM] = {
 	{{SLP, SLP_TOUT(200), SLP_TOUT(500), SLP_VEC(1, 2, 3, 4, 4)}, 0},
 	{{SLP, SLP_TOUT(200), SLP_TOUT(300), SLP_VEC(1, 2, 3, 4, 7)}, 0},
 	{{SLP, SLP_TOUT(50), SLP_TOUT(100), SLP_VEC(2, 4, 6, 7, 9)}, 0},
 	{{SLP, SLP_TOUT(50), SLP_TOUT(25), SLP_VEC(2, 4, 6, 9, 10)}, 1},
-	{{SLP, SLP_TOUT(25), SLP_TOUT(25), SLP_VEC(2, 4, 7, 10, 10)}, 2}
+	{{SLP, SLP_TOUT(25), SLP_TOUT(25), SLP_VEC(2, 4, 6, 10, 10)}, 2}
 };
 
 /* for DTIM period > IWL_DTIM_RANGE_1_MAX */
+/* DTIM 11 - */
 static const struct iwl_power_vec_entry range_2[IWL_POWER_NUM] = {
 	{{SLP, SLP_TOUT(200), SLP_TOUT(500), SLP_VEC(1, 2, 3, 4, 0xFF)}, 0},
 	{{SLP, SLP_TOUT(200), SLP_TOUT(300), SLP_VEC(2, 4, 6, 7, 0xFF)}, 0},
@@ -115,13 +118,15 @@ static void iwl_static_sleep_cmd(struct iwl_priv *priv,
 				 enum iwl_power_level lvl, int period)
 {
 	const struct iwl_power_vec_entry *table;
-	int max_sleep, i;
-	bool skip;
+	int max_sleep[IWL_POWER_VEC_SIZE] = { 0 };
+	int i;
+	u8 skip;
+	u32 slp_itrvl;
 
 	table = range_2;
-	if (period < IWL_DTIM_RANGE_1_MAX)
+	if (period <= IWL_DTIM_RANGE_1_MAX)
 		table = range_1;
-	if (period < IWL_DTIM_RANGE_0_MAX)
+	if (period <= IWL_DTIM_RANGE_0_MAX)
 		table = range_0;
 
 	BUG_ON(lvl < 0 || lvl >= IWL_POWER_NUM);
@@ -129,34 +134,60 @@ static void iwl_static_sleep_cmd(struct iwl_priv *priv,
 	*cmd = table[lvl].cmd;
 
 	if (period == 0) {
-		skip = false;
+		skip = 0;
 		period = 1;
+		for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
+			max_sleep[i] =  1;
+
 	} else {
-		skip = !!table[lvl].no_dtim;
+		skip = table[lvl].no_dtim;
+		for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
+			max_sleep[i] = le32_to_cpu(cmd->sleep_interval[i]);
+		max_sleep[IWL_POWER_VEC_SIZE - 1] = skip + 1;
 	}
 
-	if (skip) {
-		__le32 slp_itrvl = cmd->sleep_interval[IWL_POWER_VEC_SIZE - 1];
-		max_sleep = le32_to_cpu(slp_itrvl);
-		if (max_sleep == 0xFF)
-			max_sleep = period * (skip + 1);
-		else if (max_sleep > period)
-			max_sleep = (le32_to_cpu(slp_itrvl) / period) * period;
+	slp_itrvl = le32_to_cpu(cmd->sleep_interval[IWL_POWER_VEC_SIZE - 1]);
+	/* figure out the listen interval based on dtim period and skip */
+	if (slp_itrvl == 0xFF)
+		cmd->sleep_interval[IWL_POWER_VEC_SIZE - 1] =
+			cpu_to_le32(period * (skip + 1));
+
+	slp_itrvl = le32_to_cpu(cmd->sleep_interval[IWL_POWER_VEC_SIZE - 1]);
+	if (slp_itrvl > period)
+		cmd->sleep_interval[IWL_POWER_VEC_SIZE - 1] =
+			cpu_to_le32((slp_itrvl / period) * period);
+
+	if (skip)
 		cmd->flags |= IWL_POWER_SLEEP_OVER_DTIM_MSK;
-	} else {
-		max_sleep = period;
+	else
 		cmd->flags &= ~IWL_POWER_SLEEP_OVER_DTIM_MSK;
-	}
 
-	for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
-		if (le32_to_cpu(cmd->sleep_interval[i]) > max_sleep)
-			cmd->sleep_interval[i] = cpu_to_le32(max_sleep);
+	slp_itrvl = le32_to_cpu(cmd->sleep_interval[IWL_POWER_VEC_SIZE - 1]);
+	if (slp_itrvl > IWL_CONN_LISTEN_INTERVAL)
+		cmd->sleep_interval[IWL_POWER_VEC_SIZE - 1] =
+			cpu_to_le32(IWL_CONN_LISTEN_INTERVAL);
+
+	/* enforce max sleep interval */
+	for (i = IWL_POWER_VEC_SIZE - 1; i >= 0 ; i--) {
+		if (le32_to_cpu(cmd->sleep_interval[i]) >
+		    (max_sleep[i] * period))
+			cmd->sleep_interval[i] =
+				cpu_to_le32(max_sleep[i] * period);
+		if (i != (IWL_POWER_VEC_SIZE - 1)) {
+			if (le32_to_cpu(cmd->sleep_interval[i]) >
+			    le32_to_cpu(cmd->sleep_interval[i+1]))
+				cmd->sleep_interval[i] =
+					cmd->sleep_interval[i+1];
+		}
+	}
 
 	if (priv->power_data.pci_pm)
 		cmd->flags |= IWL_POWER_PCI_PM_MSK;
 	else
 		cmd->flags &= ~IWL_POWER_PCI_PM_MSK;
 
+	IWL_DEBUG_POWER(priv, "numSkipDtim = %u, dtimPeriod = %d\n",
+			skip, period);
 	IWL_DEBUG_POWER(priv, "Sleep command for index %d\n", lvl + 1);
 }
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-power.h b/drivers/net/wireless/iwlwifi/iwl-power.h
index 310c32e8f69..0755518f86e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-power.h
+++ b/drivers/net/wireless/iwlwifi/iwl-power.h
@@ -30,6 +30,8 @@
 
 #include "iwl-commands.h"
 
+#define IWL_CONN_LISTEN_INTERVAL	10
+
 #define IWL_ABSOLUTE_ZERO		0
 #define IWL_ABSOLUTE_MAX		0xFFFFFFFF
 #define IWL_TT_INCREASE_MARGIN	5
-- 
GitLab


From 02bdf5b48a2cd90a5d036eab68e6f65adb200140 Mon Sep 17 00:00:00 2001
From: Christian Lamparter <chunkeey@googlemail.com>
Date: Sat, 17 Oct 2009 21:56:43 +0200
Subject: [PATCH 0572/1815] ar9170: atomic pending A-MPDU counter

A ref-counting bug emerged after testing ar9170usb's HT
implementation on a bigger SMP/SMT system without the usual
_debugging_ overhead.

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ar9170/ar9170.h |  2 +-
 drivers/net/wireless/ath/ar9170/main.c   | 11 ++++++-----
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/ath/ar9170/ar9170.h b/drivers/net/wireless/ath/ar9170/ar9170.h
index ec034af2698..9f9459860d8 100644
--- a/drivers/net/wireless/ath/ar9170/ar9170.h
+++ b/drivers/net/wireless/ath/ar9170/ar9170.h
@@ -231,7 +231,7 @@ struct ar9170 {
 	struct sk_buff_head tx_status_ampdu;
 	spinlock_t tx_ampdu_list_lock;
 	struct list_head tx_ampdu_list;
-	unsigned int tx_ampdu_pending;
+	atomic_t tx_ampdu_pending;
 
 	/* rxstream mpdu merge */
 	struct ar9170_rxstream_mpdu_merge rx_mpdu;
diff --git a/drivers/net/wireless/ath/ar9170/main.c b/drivers/net/wireless/ath/ar9170/main.c
index de0ba2bf769..7e59b82e64d 100644
--- a/drivers/net/wireless/ath/ar9170/main.c
+++ b/drivers/net/wireless/ath/ar9170/main.c
@@ -414,9 +414,9 @@ static void ar9170_tx_ampdu_callback(struct ar9170 *ar, struct sk_buff *skb)
 
 	skb_queue_tail(&ar->tx_status_ampdu, skb);
 	ar9170_tx_fake_ampdu_status(ar);
-	ar->tx_ampdu_pending--;
 
-	if (!list_empty(&ar->tx_ampdu_list) && !ar->tx_ampdu_pending)
+	if (atomic_dec_and_test(&ar->tx_ampdu_pending) &&
+	    !list_empty(&ar->tx_ampdu_list))
 		ar9170_tx_ampdu(ar);
 }
 
@@ -1248,6 +1248,7 @@ static int ar9170_op_start(struct ieee80211_hw *hw)
 	ar->global_ampdu_density = 6;
 	ar->global_ampdu_factor = 3;
 
+	atomic_set(&ar->tx_ampdu_pending, 0);
 	ar->bad_hw_nagger = jiffies;
 
 	err = ar->open(ar);
@@ -1773,7 +1774,7 @@ static void ar9170_tx(struct ar9170 *ar)
 					  msecs_to_jiffies(AR9170_TX_TIMEOUT);
 
 			if (arinfo->flags == AR9170_TX_FLAG_BLOCK_ACK)
-				ar->tx_ampdu_pending++;
+				atomic_inc(&ar->tx_ampdu_pending);
 
 #ifdef AR9170_QUEUE_DEBUG
 			printk(KERN_DEBUG "%s: send frame q:%d =>\n",
@@ -1784,7 +1785,7 @@ static void ar9170_tx(struct ar9170 *ar)
 			err = ar->tx(ar, skb);
 			if (unlikely(err)) {
 				if (arinfo->flags == AR9170_TX_FLAG_BLOCK_ACK)
-					ar->tx_ampdu_pending--;
+					atomic_dec(&ar->tx_ampdu_pending);
 
 				frames_failed++;
 				dev_kfree_skb_any(skb);
@@ -1931,7 +1932,7 @@ int ar9170_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
 	if (info->flags & IEEE80211_TX_CTL_AMPDU) {
 		bool run = ar9170_tx_ampdu_queue(ar, skb);
 
-		if (run || !ar->tx_ampdu_pending)
+		if (run || !atomic_read(&ar->tx_ampdu_pending))
 			ar9170_tx_ampdu(ar);
 	} else {
 		unsigned int queue = skb_get_queue_mapping(skb);
-- 
GitLab


From 731d6bfc2d201958cfa3d08c7acff218497bbd50 Mon Sep 17 00:00:00 2001
From: Christian Lamparter <chunkeey@googlemail.com>
Date: Sat, 17 Oct 2009 21:56:51 +0200
Subject: [PATCH 0573/1815] ar9170usb: atomic pending urbs counter

This patch follows "ar9170: atomic pending A-MPDU counter"
idea and converts another critical counter to atomic_*.

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ar9170/usb.c | 12 ++++++------
 drivers/net/wireless/ath/ar9170/usb.h |  2 +-
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wireless/ath/ar9170/usb.c b/drivers/net/wireless/ath/ar9170/usb.c
index e974e5829e1..6bdcdf6d1cc 100644
--- a/drivers/net/wireless/ath/ar9170/usb.c
+++ b/drivers/net/wireless/ath/ar9170/usb.c
@@ -108,15 +108,15 @@ static void ar9170_usb_submit_urb(struct ar9170_usb *aru)
 		return ;
 
 	spin_lock_irqsave(&aru->tx_urb_lock, flags);
-	if (aru->tx_submitted_urbs >= AR9170_NUM_TX_URBS) {
+	if (atomic_read(&aru->tx_submitted_urbs) >= AR9170_NUM_TX_URBS) {
 		spin_unlock_irqrestore(&aru->tx_urb_lock, flags);
 		return ;
 	}
-	aru->tx_submitted_urbs++;
+	atomic_inc(&aru->tx_submitted_urbs);
 
 	urb = usb_get_from_anchor(&aru->tx_pending);
 	if (!urb) {
-		aru->tx_submitted_urbs--;
+		atomic_dec(&aru->tx_submitted_urbs);
 		spin_unlock_irqrestore(&aru->tx_urb_lock, flags);
 
 		return ;
@@ -133,7 +133,7 @@ static void ar9170_usb_submit_urb(struct ar9170_usb *aru)
 				err);
 
 		usb_unanchor_urb(urb);
-		aru->tx_submitted_urbs--;
+		atomic_dec(&aru->tx_submitted_urbs);
 		ar9170_tx_callback(&aru->common, urb->context);
 	}
 
@@ -151,7 +151,7 @@ static void ar9170_usb_tx_urb_complete_frame(struct urb *urb)
 		return ;
 	}
 
-	aru->tx_submitted_urbs--;
+	atomic_dec(&aru->tx_submitted_urbs);
 
 	ar9170_tx_callback(&aru->common, skb);
 
@@ -794,7 +794,7 @@ static int ar9170_usb_probe(struct usb_interface *intf,
 	spin_lock_init(&aru->tx_urb_lock);
 
 	aru->tx_pending_urbs = 0;
-	aru->tx_submitted_urbs = 0;
+	atomic_set(&aru->tx_submitted_urbs, 0);
 
 	aru->common.stop = ar9170_usb_stop;
 	aru->common.flush = ar9170_usb_flush;
diff --git a/drivers/net/wireless/ath/ar9170/usb.h b/drivers/net/wireless/ath/ar9170/usb.h
index d098f4d5d2f..a2ce3b169ce 100644
--- a/drivers/net/wireless/ath/ar9170/usb.h
+++ b/drivers/net/wireless/ath/ar9170/usb.h
@@ -67,7 +67,7 @@ struct ar9170_usb {
 	bool req_one_stage_fw;
 
 	spinlock_t tx_urb_lock;
-	unsigned int tx_submitted_urbs;
+	atomic_t tx_submitted_urbs;
 	unsigned int tx_pending_urbs;
 
 	struct completion cmd_wait;
-- 
GitLab


From 68676df00d956e191c442cb697154a7a18a1e054 Mon Sep 17 00:00:00 2001
From: Christian Lamparter <chunkeey@googlemail.com>
Date: Sat, 17 Oct 2009 21:56:55 +0200
Subject: [PATCH 0574/1815] ar9170: don't filter BlockACK frames

The current A-MPDU tx_status report mechanism is too inaccurate.
With this patch BlockACK frames show now up to the driver and
can be processed.

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ar9170/hw.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ar9170/hw.h b/drivers/net/wireless/ath/ar9170/hw.h
index 88113148331..701ddb7d840 100644
--- a/drivers/net/wireless/ath/ar9170/hw.h
+++ b/drivers/net/wireless/ath/ar9170/hw.h
@@ -152,14 +152,14 @@ enum ar9170_cmd {
 #define		AR9170_MAC_REG_FTF_BIT14		BIT(14)
 #define		AR9170_MAC_REG_FTF_BIT15		BIT(15)
 #define		AR9170_MAC_REG_FTF_BAR			BIT(24)
-#define		AR9170_MAC_REG_FTF_BIT25		BIT(25)
+#define		AR9170_MAC_REG_FTF_BA			BIT(25)
 #define		AR9170_MAC_REG_FTF_PSPOLL		BIT(26)
 #define		AR9170_MAC_REG_FTF_RTS			BIT(27)
 #define		AR9170_MAC_REG_FTF_CTS			BIT(28)
 #define		AR9170_MAC_REG_FTF_ACK			BIT(29)
 #define		AR9170_MAC_REG_FTF_CFE			BIT(30)
 #define		AR9170_MAC_REG_FTF_CFE_ACK		BIT(31)
-#define		AR9170_MAC_REG_FTF_DEFAULTS		0x0500ffff
+#define		AR9170_MAC_REG_FTF_DEFAULTS		0x0700ffff
 #define		AR9170_MAC_REG_FTF_MONITOR		0xfd00ffff
 
 #define AR9170_MAC_REG_RX_TOTAL			(AR9170_MAC_REG_BASE + 0x6A0)
-- 
GitLab


From 6b9ac4425d6ec871faf54540e0f1c5ff420a8f29 Mon Sep 17 00:00:00 2001
From: Rui Paulo <rpaulo@gmail.com>
Date: Tue, 20 Oct 2009 21:21:48 +0100
Subject: [PATCH 0575/1815] mesh: use set_bit() to set MESH_WORK_HOUSEKEEPING.

This makes the mesh housekeeping timer work properly on big endian
systems.

Signed-off-by: Rui Paulo <rpaulo@gmail.com>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/mesh.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index f7364e56f1e..9a733890eb4 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -50,7 +50,7 @@ static void ieee80211_mesh_housekeeping_timer(unsigned long data)
 	struct ieee80211_local *local = sdata->local;
 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
 
-	ifmsh->wrkq_flags |= MESH_WORK_HOUSEKEEPING;
+	set_bit(MESH_WORK_HOUSEKEEPING, &ifmsh->wrkq_flags);
 
 	if (local->quiescing) {
 		set_bit(TMR_RUNNING_HK, &ifmsh->timers_running);
@@ -480,7 +480,7 @@ void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata)
 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
 	struct ieee80211_local *local = sdata->local;
 
-	ifmsh->wrkq_flags |= MESH_WORK_HOUSEKEEPING;
+	set_bit(MESH_WORK_HOUSEKEEPING, &ifmsh->wrkq_flags);
 	ieee80211_queue_work(&local->hw, &ifmsh->work);
 	sdata->vif.bss_conf.beacon_int = MESH_DEFAULT_BEACON_INTERVAL;
 	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON |
-- 
GitLab


From 287d37412035d003430f69a828c98b1cc6ee6d60 Mon Sep 17 00:00:00 2001
From: Luciano Coelho <luciano.coelho@nokia.com>
Date: Wed, 21 Oct 2009 14:03:46 +0300
Subject: [PATCH 0576/1815] wl1271: use ieee80211_rx_ni()

Use the new ieee80211_rx_ni() function instead of ieee80211_rx().  Since we
use a workqueue to handle the RX path, we need to call the new function,
which disables bottom half handling.  This patch fixes the NOHZ:
local_softirq_pending messages.

CC: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_rx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_rx.c b/drivers/net/wireless/wl12xx/wl1271_rx.c
index dbf07bea87c..37d81ab6acc 100644
--- a/drivers/net/wireless/wl12xx/wl1271_rx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_rx.c
@@ -184,7 +184,7 @@ static void wl1271_rx_handle_data(struct wl1271 *wl, u32 length)
 		     beacon ? "beacon" : "");
 
 	memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status));
-	ieee80211_rx(wl->hw, skb);
+	ieee80211_rx_ni(wl->hw, skb);
 }
 
 void wl1271_rx(struct wl1271 *wl, struct wl1271_fw_status *status)
-- 
GitLab


From 7f4013f09654216653121f216bd0257f460f5dcc Mon Sep 17 00:00:00 2001
From: Benoit PAPILLAULT <benoit.papillault@free.fr>
Date: Thu, 22 Oct 2009 12:04:52 +0200
Subject: [PATCH 0577/1815] zd1211rw: Fix TX status reporting in order to have
 proper rate control

First, we reduce the number of hardware retries to 0 (ie 2 real retries
for each rate). Next, when we report the retries to mac80211, we always
report a retry count of 1 (it seems to be 2 in fact, but using 2 seems
to lead to wrong performance for some reason). We use a state machine to
determine the real fate of a packet based on the 802.11 ACK and what the
Zydas hardware is saying when a real retry occurs. The real retry rates
are encoded in a static array. It has been tested with both zd1211 and
zd1211b hardware. Of course, since the Zydas hardware is not reporting
retries accurately, we are just doing our best in order to get the best
performance (ie higher throughput).

Signed-off-by: Benoit PAPILLAULT <benoit.papillault@free.fr>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/zd1211rw/zd_chip.c |   4 +-
 drivers/net/wireless/zd1211rw/zd_chip.h |  18 ++-
 drivers/net/wireless/zd1211rw/zd_mac.c  | 202 +++++++++++++++++++++---
 drivers/net/wireless/zd1211rw/zd_mac.h  |  25 ++-
 drivers/net/wireless/zd1211rw/zd_usb.c  |   4 +-
 5 files changed, 227 insertions(+), 26 deletions(-)

diff --git a/drivers/net/wireless/zd1211rw/zd_chip.c b/drivers/net/wireless/zd1211rw/zd_chip.c
index 4e79a980013..dfa1b9bc22c 100644
--- a/drivers/net/wireless/zd1211rw/zd_chip.c
+++ b/drivers/net/wireless/zd1211rw/zd_chip.c
@@ -755,7 +755,7 @@ static int hw_reset_phy(struct zd_chip *chip)
 static int zd1211_hw_init_hmac(struct zd_chip *chip)
 {
 	static const struct zd_ioreq32 ioreqs[] = {
-		{ CR_ZD1211_RETRY_MAX,		0x2 },
+		{ CR_ZD1211_RETRY_MAX,		ZD1211_RETRY_COUNT },
 		{ CR_RX_THRESHOLD,		0x000c0640 },
 	};
 
@@ -767,7 +767,7 @@ static int zd1211_hw_init_hmac(struct zd_chip *chip)
 static int zd1211b_hw_init_hmac(struct zd_chip *chip)
 {
 	static const struct zd_ioreq32 ioreqs[] = {
-		{ CR_ZD1211B_RETRY_MAX,		0x02020202 },
+		{ CR_ZD1211B_RETRY_MAX,		ZD1211B_RETRY_COUNT },
 		{ CR_ZD1211B_CWIN_MAX_MIN_AC0,	0x007f003f },
 		{ CR_ZD1211B_CWIN_MAX_MIN_AC1,	0x007f003f },
 		{ CR_ZD1211B_CWIN_MAX_MIN_AC2,  0x003f001f },
diff --git a/drivers/net/wireless/zd1211rw/zd_chip.h b/drivers/net/wireless/zd1211rw/zd_chip.h
index 678c139a840..9fd8f3508d6 100644
--- a/drivers/net/wireless/zd1211rw/zd_chip.h
+++ b/drivers/net/wireless/zd1211rw/zd_chip.h
@@ -642,13 +642,29 @@ enum {
 #define CR_ZD1211B_TXOP			CTL_REG(0x0b20)
 #define CR_ZD1211B_RETRY_MAX		CTL_REG(0x0b28)
 
+/* Value for CR_ZD1211_RETRY_MAX & CR_ZD1211B_RETRY_MAX. Vendor driver uses 2,
+ * we use 0. The first rate is tried (count+2), then all next rates are tried
+ * twice, until 1 Mbits is tried. */
+#define	ZD1211_RETRY_COUNT		0
+#define	ZD1211B_RETRY_COUNT	\
+	(ZD1211_RETRY_COUNT <<  0)|	\
+	(ZD1211_RETRY_COUNT <<  8)|	\
+	(ZD1211_RETRY_COUNT << 16)|	\
+	(ZD1211_RETRY_COUNT << 24)
+
 /* Used to detect PLL lock */
 #define UW2453_INTR_REG			((zd_addr_t)0x85c1)
 
 #define CWIN_SIZE			0x007f043f
 
 
-#define HWINT_ENABLED			0x004f0000
+#define HWINT_ENABLED			\
+	(INT_TX_COMPLETE_EN|		\
+	 INT_RX_COMPLETE_EN|		\
+	 INT_RETRY_FAIL_EN|		\
+	 INT_WAKEUP_EN|			\
+	 INT_CFG_NEXT_BCN_EN)
+
 #define HWINT_DISABLED			0
 
 #define E2P_PWR_INT_GUARD		8
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c
index 6d666359a42..8a243732c51 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.c
+++ b/drivers/net/wireless/zd1211rw/zd_mac.c
@@ -88,6 +88,34 @@ static const struct ieee80211_rate zd_rates[] = {
 	  .flags = 0 },
 };
 
+/*
+ * Zydas retry rates table. Each line is listed in the same order as
+ * in zd_rates[] and contains all the rate used when a packet is sent
+ * starting with a given rates. Let's consider an example :
+ *
+ * "11 Mbits : 4, 3, 2, 1, 0" means :
+ * - packet is sent using 4 different rates
+ * - 1st rate is index 3 (ie 11 Mbits)
+ * - 2nd rate is index 2 (ie 5.5 Mbits)
+ * - 3rd rate is index 1 (ie 2 Mbits)
+ * - 4th rate is index 0 (ie 1 Mbits)
+ */
+
+static const struct tx_retry_rate zd_retry_rates[] = {
+	{ /*  1 Mbits */	1, { 0 }},
+	{ /*  2 Mbits */	2, { 1,  0 }},
+	{ /*  5.5 Mbits */	3, { 2,  1, 0 }},
+	{ /* 11 Mbits */	4, { 3,  2, 1, 0 }},
+	{ /*  6 Mbits */	5, { 4,  3, 2, 1, 0 }},
+	{ /*  9 Mbits */	6, { 5,  4, 3, 2, 1, 0}},
+	{ /* 12 Mbits */	5, { 6,  3, 2, 1, 0 }},
+	{ /* 18 Mbits */	6, { 7,  6, 3, 2, 1, 0 }},
+	{ /* 24 Mbits */	6, { 8,  6, 3, 2, 1, 0 }},
+	{ /* 36 Mbits */	7, { 9,  8, 6, 3, 2, 1, 0 }},
+	{ /* 48 Mbits */	8, {10,  9, 8, 6, 3, 2, 1, 0 }},
+	{ /* 54 Mbits */	9, {11, 10, 9, 8, 6, 3, 2, 1, 0 }}
+};
+
 static const struct ieee80211_channel zd_channels[] = {
 	{ .center_freq = 2412, .hw_value = 1 },
 	{ .center_freq = 2417, .hw_value = 2 },
@@ -282,7 +310,7 @@ static void zd_op_stop(struct ieee80211_hw *hw)
 }
 
 /**
- * tx_status - reports tx status of a packet if required
+ * zd_mac_tx_status - reports tx status of a packet if required
  * @hw - a &struct ieee80211_hw pointer
  * @skb - a sk-buffer
  * @flags: extra flags to set in the TX status info
@@ -295,15 +323,49 @@ static void zd_op_stop(struct ieee80211_hw *hw)
  *
  * If no status information has been requested, the skb is freed.
  */
-static void tx_status(struct ieee80211_hw *hw, struct sk_buff *skb,
-		      int ackssi, bool success)
+static void zd_mac_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb,
+		      int ackssi, struct tx_status *tx_status)
 {
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	int i;
+	int success = 1, retry = 1;
+	int first_idx;
+	const struct tx_retry_rate *retries;
 
 	ieee80211_tx_info_clear_status(info);
 
-	if (success)
+	if (tx_status) {
+		success = !tx_status->failure;
+		retry = tx_status->retry + success;
+	}
+
+	if (success) {
+		/* success */
 		info->flags |= IEEE80211_TX_STAT_ACK;
+	} else {
+		/* failure */
+		info->flags &= ~IEEE80211_TX_STAT_ACK;
+	}
+
+	first_idx = info->status.rates[0].idx;
+	ZD_ASSERT(0<=first_idx && first_idx<ARRAY_SIZE(zd_retry_rates));
+	retries = &zd_retry_rates[first_idx];
+	ZD_ASSERT(0<=retry && retry<=retries->count);
+
+	info->status.rates[0].idx = retries->rate[0];
+	info->status.rates[0].count = 1; // (retry > 1 ? 2 : 1);
+
+	for (i=1; i<IEEE80211_TX_MAX_RATES-1 && i<retry; i++) {
+		info->status.rates[i].idx = retries->rate[i];
+		info->status.rates[i].count = 1; // ((i==retry-1) && success ? 1:2);
+	}
+	for (; i<IEEE80211_TX_MAX_RATES && i<retry; i++) {
+		info->status.rates[i].idx = retries->rate[retry-1];
+		info->status.rates[i].count = 1; // (success ? 1:2);
+	}
+	if (i<IEEE80211_TX_MAX_RATES)
+		info->status.rates[i].idx = -1; /* terminate */
+
 	info->status.ack_signal = ackssi;
 	ieee80211_tx_status_irqsafe(hw, skb);
 }
@@ -316,16 +378,79 @@ static void tx_status(struct ieee80211_hw *hw, struct sk_buff *skb,
  * transferred. The first frame from the tx queue, will be selected and
  * reported as error to the upper layers.
  */
-void zd_mac_tx_failed(struct ieee80211_hw *hw)
+void zd_mac_tx_failed(struct urb *urb)
 {
-	struct sk_buff_head *q = &zd_hw_mac(hw)->ack_wait_queue;
+	struct ieee80211_hw * hw = zd_usb_to_hw(urb->context);
+	struct zd_mac *mac = zd_hw_mac(hw);
+	struct sk_buff_head *q = &mac->ack_wait_queue;
 	struct sk_buff *skb;
+	struct tx_status *tx_status = (struct tx_status *)urb->transfer_buffer;
+	unsigned long flags;
+	int success = !tx_status->failure;
+	int retry = tx_status->retry + success;
+	int found = 0;
+	int i, position = 0;
 
-	skb = skb_dequeue(q);
-	if (skb == NULL)
-		return;
+	q = &mac->ack_wait_queue;
+	spin_lock_irqsave(&q->lock, flags);
+
+	skb_queue_walk(q, skb) {
+		struct ieee80211_hdr *tx_hdr;
+		struct ieee80211_tx_info *info;
+		int first_idx, final_idx;
+		const struct tx_retry_rate *retries;
+		u8 final_rate;
+
+		position ++;
+
+		/* if the hardware reports a failure and we had a 802.11 ACK
+		 * pending, then we skip the first skb when searching for a
+		 * matching frame */
+		if (tx_status->failure && mac->ack_pending &&
+		    skb_queue_is_first(q, skb)) {
+			continue;
+		}
+
+		tx_hdr = (struct ieee80211_hdr *)skb->data;
+
+		/* we skip all frames not matching the reported destination */
+		if (unlikely(memcmp(tx_hdr->addr1, tx_status->mac, ETH_ALEN))) {
+			continue;
+		}
+
+		/* we skip all frames not matching the reported final rate */
 
-	tx_status(hw, skb, 0, 0);
+		info = IEEE80211_SKB_CB(skb);
+		first_idx = info->status.rates[0].idx;
+		ZD_ASSERT(0<=first_idx && first_idx<ARRAY_SIZE(zd_retry_rates));
+		retries = &zd_retry_rates[first_idx];
+		if (retry < 0 || retry > retries->count) {
+			continue;
+		}
+
+		ZD_ASSERT(0<=retry && retry<=retries->count);
+		final_idx = retries->rate[retry-1];
+		final_rate = zd_rates[final_idx].hw_value;
+
+		if (final_rate != tx_status->rate) {
+			continue;
+		}
+
+		found = 1;
+		break;
+	}
+
+	if (found) {
+		for (i=1; i<=position; i++) {
+			skb = __skb_dequeue(q);
+			zd_mac_tx_status(hw, skb,
+					 mac->ack_pending ? mac->ack_signal : 0,
+					 i == position ? tx_status : NULL);
+			mac->ack_pending = 0;
+		}
+	}
+
+	spin_unlock_irqrestore(&q->lock, flags);
 }
 
 /**
@@ -342,18 +467,27 @@ void zd_mac_tx_to_dev(struct sk_buff *skb, int error)
 {
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	struct ieee80211_hw *hw = info->rate_driver_data[0];
+	struct zd_mac *mac = zd_hw_mac(hw);
+
+	ieee80211_tx_info_clear_status(info);
 
 	skb_pull(skb, sizeof(struct zd_ctrlset));
 	if (unlikely(error ||
 	    (info->flags & IEEE80211_TX_CTL_NO_ACK))) {
-		tx_status(hw, skb, 0, !error);
+		/*
+		 * FIXME : do we need to fill in anything ?
+		 */
+		ieee80211_tx_status_irqsafe(hw, skb);
 	} else {
-		struct sk_buff_head *q =
-			&zd_hw_mac(hw)->ack_wait_queue;
+		struct sk_buff_head *q = &mac->ack_wait_queue;
 
 		skb_queue_tail(q, skb);
-		while (skb_queue_len(q) > ZD_MAC_MAX_ACK_WAITERS)
-			zd_mac_tx_failed(hw);
+		while (skb_queue_len(q) > ZD_MAC_MAX_ACK_WAITERS) {
+			zd_mac_tx_status(hw, skb_dequeue(q),
+					 mac->ack_pending ? mac->ack_signal : 0,
+					 NULL);
+			mac->ack_pending = 0;
+		}
 	}
 }
 
@@ -606,27 +740,47 @@ fail:
 static int filter_ack(struct ieee80211_hw *hw, struct ieee80211_hdr *rx_hdr,
 		      struct ieee80211_rx_status *stats)
 {
+	struct zd_mac *mac = zd_hw_mac(hw);
 	struct sk_buff *skb;
 	struct sk_buff_head *q;
 	unsigned long flags;
+	int found = 0;
+	int i, position = 0;
 
 	if (!ieee80211_is_ack(rx_hdr->frame_control))
 		return 0;
 
-	q = &zd_hw_mac(hw)->ack_wait_queue;
+	q = &mac->ack_wait_queue;
 	spin_lock_irqsave(&q->lock, flags);
 	skb_queue_walk(q, skb) {
 		struct ieee80211_hdr *tx_hdr;
 
+		position ++;
+
+		if (mac->ack_pending && skb_queue_is_first(q, skb))
+		    continue;
+
 		tx_hdr = (struct ieee80211_hdr *)skb->data;
 		if (likely(!memcmp(tx_hdr->addr2, rx_hdr->addr1, ETH_ALEN)))
 		{
-			__skb_unlink(skb, q);
-			tx_status(hw, skb, stats->signal, 1);
-			goto out;
+			found = 1;
+			break;
 		}
 	}
-out:
+
+	if (found) {
+		for (i=1; i<position; i++) {
+			skb = __skb_dequeue(q);
+			zd_mac_tx_status(hw, skb,
+					 mac->ack_pending ? mac->ack_signal : 0,
+					 NULL);
+			mac->ack_pending = 0;
+		}
+
+		mac->ack_pending = 1;
+		mac->ack_signal = stats->signal;
+	}
+
 	spin_unlock_irqrestore(&q->lock, flags);
 	return 1;
 }
@@ -709,6 +863,7 @@ int zd_mac_rx(struct ieee80211_hw *hw, const u8 *buffer, unsigned int length)
 		skb_reserve(skb, 2);
 	}
 
+	/* FIXME : could we avoid this big memcpy ? */
 	memcpy(skb_put(skb, length), buffer, length);
 
 	memcpy(IEEE80211_SKB_RXCB(skb), &stats, sizeof(stats));
@@ -999,7 +1154,14 @@ struct ieee80211_hw *zd_mac_alloc_hw(struct usb_interface *intf)
 	hw->queues = 1;
 	hw->extra_tx_headroom = sizeof(struct zd_ctrlset);
 
+	/*
+	 * Tell mac80211 that we support multi rate retries
+	 */
+	hw->max_rates = IEEE80211_TX_MAX_RATES;
+	hw->max_rate_tries = 18;	/* 9 rates * 2 retries/rate */
+
 	skb_queue_head_init(&mac->ack_wait_queue);
+	mac->ack_pending = 0;
 
 	zd_chip_init(&mac->chip, hw, intf);
 	housekeeping_init(mac);
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.h b/drivers/net/wireless/zd1211rw/zd_mac.h
index 7c2759118d1..630c298a730 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.h
+++ b/drivers/net/wireless/zd1211rw/zd_mac.h
@@ -140,6 +140,21 @@ struct rx_status {
 #define ZD_RX_CRC16_ERROR		0x40
 #define ZD_RX_ERROR			0x80
 
+struct tx_retry_rate {
+	int count;	/* number of valid element in rate[] array */
+	int rate[10];	/* retry rates, described by an index in zd_rates[] */
+};
+
+struct tx_status {
+	u8 type;	/* must always be 0x01 : USB_INT_TYPE */
+	u8 id;		/* must always be 0xa0 : USB_INT_ID_RETRY_FAILED */
+	u8 rate;
+	u8 pad;
+	u8 mac[ETH_ALEN];
+	u8 retry;
+	u8 failure;
+} __attribute__((packed));
+
 enum mac_flags {
 	MAC_FIXED_CHANNEL = 0x01,
 };
@@ -150,7 +165,7 @@ struct housekeeping {
 
 #define ZD_MAC_STATS_BUFFER_SIZE 16
 
-#define ZD_MAC_MAX_ACK_WAITERS 10
+#define ZD_MAC_MAX_ACK_WAITERS 50
 
 struct zd_mac {
 	struct zd_chip chip;
@@ -184,6 +199,12 @@ struct zd_mac {
 
 	/* whether to pass control frames to stack */
 	unsigned int pass_ctrl:1;
+
+	/* whether we have received a 802.11 ACK that is pending */
+	unsigned int ack_pending:1;
+
+	/* signal strength of the last 802.11 ACK received */
+	int ack_signal;
 };
 
 #define ZD_REGDOMAIN_FCC	0x10
@@ -279,7 +300,7 @@ int zd_mac_preinit_hw(struct ieee80211_hw *hw);
 int zd_mac_init_hw(struct ieee80211_hw *hw);
 
 int zd_mac_rx(struct ieee80211_hw *hw, const u8 *buffer, unsigned int length);
-void zd_mac_tx_failed(struct ieee80211_hw *hw);
+void zd_mac_tx_failed(struct urb *urb);
 void zd_mac_tx_to_dev(struct sk_buff *skb, int error);
 
 #ifdef DEBUG
diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c
index 23a6a6d4863..d46f20a57b7 100644
--- a/drivers/net/wireless/zd1211rw/zd_usb.c
+++ b/drivers/net/wireless/zd1211rw/zd_usb.c
@@ -419,7 +419,7 @@ static void int_urb_complete(struct urb *urb)
 		handle_regs_int(urb);
 		break;
 	case USB_INT_ID_RETRY_FAILED:
-		zd_mac_tx_failed(zd_usb_to_hw(urb->context));
+		zd_mac_tx_failed(urb);
 		break;
 	default:
 		dev_dbg_f(urb_dev(urb), "error: urb %p unknown id %x\n", urb,
@@ -553,6 +553,8 @@ static void handle_rx_packet(struct zd_usb *usb, const u8 *buffer,
 
 	if (length < sizeof(struct rx_length_info)) {
 		/* It's not a complete packet anyhow. */
+		printk("%s: invalid, small RX packet : %d\n",
+		       __func__, length);
 		return;
 	}
 	length_info = (struct rx_length_info *)
-- 
GitLab


From d37b4fdd43f7e5686c40181f33a50a7ee03ddbd8 Mon Sep 17 00:00:00 2001
From: Holger Schurig <hs4233@mail.mn-solutions.de>
Date: Thu, 22 Oct 2009 15:30:45 +0200
Subject: [PATCH 0578/1815] libertas: remove unused 11d code

Most of the 11d code was protected with an "if (priv->enable11d)" clause.
But there was no code that anywhere that was able to set this
variable to true. So all 11d code was dead for almost a year and no one
complained. That's enought incentive to remove this code.

Besides removing old cruft, we gain back the 11d capability in a common way
when we merge the cfg80211 functionality.

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/11d.c     | 697 ------------------------
 drivers/net/wireless/libertas/11d.h     |  23 -
 drivers/net/wireless/libertas/Makefile  |   1 -
 drivers/net/wireless/libertas/assoc.c   |  16 -
 drivers/net/wireless/libertas/cmd.c     |  10 -
 drivers/net/wireless/libertas/cmdresp.c |   4 -
 drivers/net/wireless/libertas/dev.h     |   9 -
 drivers/net/wireless/libertas/main.c    |   3 -
 drivers/net/wireless/libertas/scan.c    |  22 +-
 drivers/net/wireless/libertas/wext.c    |  58 +-
 10 files changed, 13 insertions(+), 830 deletions(-)
 delete mode 100644 drivers/net/wireless/libertas/11d.c

diff --git a/drivers/net/wireless/libertas/11d.c b/drivers/net/wireless/libertas/11d.c
deleted file mode 100644
index 93f2d5fb392..00000000000
--- a/drivers/net/wireless/libertas/11d.c
+++ /dev/null
@@ -1,697 +0,0 @@
-/**
-  * This file contains functions for 802.11D.
-  */
-#include <linux/ctype.h>
-#include <linux/kernel.h>
-#include <linux/wireless.h>
-
-#include "host.h"
-#include "cmd.h"
-#include "decl.h"
-#include "11d.h"
-#include "dev.h"
-#include "wext.h"
-
-#define TX_PWR_DEFAULT	10
-
-static struct region_code_mapping region_code_mapping[] = {
-	{"US ", 0x10},		/* US FCC      */
-	{"CA ", 0x10},		/* IC Canada   */
-	{"SG ", 0x10},		/* Singapore   */
-	{"EU ", 0x30},		/* ETSI        */
-	{"AU ", 0x30},		/* Australia   */
-	{"KR ", 0x30},		/* Republic Of Korea */
-	{"ES ", 0x31},		/* Spain       */
-	{"FR ", 0x32},		/* France      */
-	{"JP ", 0x40},		/* Japan       */
-};
-
-/* Following 2 structure defines the supported channels */
-static struct chan_freq_power channel_freq_power_UN_BG[] = {
-	{1, 2412, TX_PWR_DEFAULT},
-	{2, 2417, TX_PWR_DEFAULT},
-	{3, 2422, TX_PWR_DEFAULT},
-	{4, 2427, TX_PWR_DEFAULT},
-	{5, 2432, TX_PWR_DEFAULT},
-	{6, 2437, TX_PWR_DEFAULT},
-	{7, 2442, TX_PWR_DEFAULT},
-	{8, 2447, TX_PWR_DEFAULT},
-	{9, 2452, TX_PWR_DEFAULT},
-	{10, 2457, TX_PWR_DEFAULT},
-	{11, 2462, TX_PWR_DEFAULT},
-	{12, 2467, TX_PWR_DEFAULT},
-	{13, 2472, TX_PWR_DEFAULT},
-	{14, 2484, TX_PWR_DEFAULT}
-};
-
-static u8 lbs_region_2_code(u8 *region)
-{
-	u8 i;
-
-	for (i = 0; i < COUNTRY_CODE_LEN && region[i]; i++)
-		region[i] = toupper(region[i]);
-
-	for (i = 0; i < ARRAY_SIZE(region_code_mapping); i++) {
-		if (!memcmp(region, region_code_mapping[i].region,
-			    COUNTRY_CODE_LEN))
-			return (region_code_mapping[i].code);
-	}
-
-	/* default is US */
-	return (region_code_mapping[0].code);
-}
-
-static u8 *lbs_code_2_region(u8 code)
-{
-	u8 i;
-
-	for (i = 0; i < ARRAY_SIZE(region_code_mapping); i++) {
-		if (region_code_mapping[i].code == code)
-			return (region_code_mapping[i].region);
-	}
-	/* default is US */
-	return (region_code_mapping[0].region);
-}
-
-/**
- *  @brief This function finds the nrchan-th chan after the firstchan
- *  @param band       band
- *  @param firstchan  first channel number
- *  @param nrchan   number of channels
- *  @return 	      the nrchan-th chan number
-*/
-static u8 lbs_get_chan_11d(u8 firstchan, u8 nrchan, u8 *chan)
-/*find the nrchan-th chan after the firstchan*/
-{
-	u8 i;
-	struct chan_freq_power *cfp;
-	u8 cfp_no;
-
-	cfp = channel_freq_power_UN_BG;
-	cfp_no = ARRAY_SIZE(channel_freq_power_UN_BG);
-
-	for (i = 0; i < cfp_no; i++) {
-		if ((cfp + i)->channel == firstchan) {
-			lbs_deb_11d("firstchan found\n");
-			break;
-		}
-	}
-
-	if (i < cfp_no) {
-		/*if beyond the boundary */
-		if (i + nrchan < cfp_no) {
-			*chan = (cfp + i + nrchan)->channel;
-			return 1;
-		}
-	}
-
-	return 0;
-}
-
-/**
- *  @brief This function Checks if chan txpwr is learned from AP/IBSS
- *  @param chan                 chan number
- *  @param parsed_region_chan   pointer to parsed_region_chan_11d
- *  @return 	                TRUE; FALSE
-*/
-static u8 lbs_channel_known_11d(u8 chan,
-			  struct parsed_region_chan_11d * parsed_region_chan)
-{
-	struct chan_power_11d *chanpwr = parsed_region_chan->chanpwr;
-	u8 nr_chan = parsed_region_chan->nr_chan;
-	u8 i = 0;
-
-	lbs_deb_hex(LBS_DEB_11D, "parsed_region_chan", (char *)chanpwr,
-		sizeof(struct chan_power_11d) * nr_chan);
-
-	for (i = 0; i < nr_chan; i++) {
-		if (chan == chanpwr[i].chan) {
-			lbs_deb_11d("found chan %d\n", chan);
-			return 1;
-		}
-	}
-
-	lbs_deb_11d("chan %d not found\n", chan);
-	return 0;
-}
-
-u32 lbs_chan_2_freq(u8 chan)
-{
-	struct chan_freq_power *cf;
-	u16 i;
-	u32 freq = 0;
-
-	cf = channel_freq_power_UN_BG;
-
-	for (i = 0; i < ARRAY_SIZE(channel_freq_power_UN_BG); i++) {
-		if (chan == cf[i].channel)
-			freq = cf[i].freq;
-	}
-
-	return freq;
-}
-
-static int generate_domain_info_11d(struct parsed_region_chan_11d
-				  *parsed_region_chan,
-				  struct lbs_802_11d_domain_reg *domaininfo)
-{
-	u8 nr_subband = 0;
-
-	u8 nr_chan = parsed_region_chan->nr_chan;
-	u8 nr_parsedchan = 0;
-
-	u8 firstchan = 0, nextchan = 0, maxpwr = 0;
-
-	u8 i, flag = 0;
-
-	memcpy(domaininfo->countrycode, parsed_region_chan->countrycode,
-	       COUNTRY_CODE_LEN);
-
-	lbs_deb_11d("nrchan %d\n", nr_chan);
-	lbs_deb_hex(LBS_DEB_11D, "parsed_region_chan", (char *)parsed_region_chan,
-		sizeof(struct parsed_region_chan_11d));
-
-	for (i = 0; i < nr_chan; i++) {
-		if (!flag) {
-			flag = 1;
-			nextchan = firstchan =
-			    parsed_region_chan->chanpwr[i].chan;
-			maxpwr = parsed_region_chan->chanpwr[i].pwr;
-			nr_parsedchan = 1;
-			continue;
-		}
-
-		if (parsed_region_chan->chanpwr[i].chan == nextchan + 1 &&
-		    parsed_region_chan->chanpwr[i].pwr == maxpwr) {
-			nextchan++;
-			nr_parsedchan++;
-		} else {
-			domaininfo->subband[nr_subband].firstchan = firstchan;
-			domaininfo->subband[nr_subband].nrchan =
-			    nr_parsedchan;
-			domaininfo->subband[nr_subband].maxtxpwr = maxpwr;
-			nr_subband++;
-			nextchan = firstchan =
-			    parsed_region_chan->chanpwr[i].chan;
-			maxpwr = parsed_region_chan->chanpwr[i].pwr;
-		}
-	}
-
-	if (flag) {
-		domaininfo->subband[nr_subband].firstchan = firstchan;
-		domaininfo->subband[nr_subband].nrchan = nr_parsedchan;
-		domaininfo->subband[nr_subband].maxtxpwr = maxpwr;
-		nr_subband++;
-	}
-	domaininfo->nr_subband = nr_subband;
-
-	lbs_deb_11d("nr_subband=%x\n", domaininfo->nr_subband);
-	lbs_deb_hex(LBS_DEB_11D, "domaininfo", (char *)domaininfo,
-		COUNTRY_CODE_LEN + 1 +
-		sizeof(struct ieee_subbandset) * nr_subband);
-	return 0;
-}
-
-/**
- *  @brief This function generates parsed_region_chan from Domain Info learned from AP/IBSS
- *  @param region_chan          pointer to struct region_channel
- *  @param *parsed_region_chan  pointer to parsed_region_chan_11d
- *  @return 	                N/A
-*/
-static void lbs_generate_parsed_region_chan_11d(struct region_channel *region_chan,
-					  struct parsed_region_chan_11d *
-					  parsed_region_chan)
-{
-	u8 i;
-	struct chan_freq_power *cfp;
-
-	if (region_chan == NULL) {
-		lbs_deb_11d("region_chan is NULL\n");
-		return;
-	}
-
-	cfp = region_chan->CFP;
-	if (cfp == NULL) {
-		lbs_deb_11d("cfp is NULL \n");
-		return;
-	}
-
-	parsed_region_chan->band = region_chan->band;
-	parsed_region_chan->region = region_chan->region;
-	memcpy(parsed_region_chan->countrycode,
-	       lbs_code_2_region(region_chan->region), COUNTRY_CODE_LEN);
-
-	lbs_deb_11d("region 0x%x, band %d\n", parsed_region_chan->region,
-	       parsed_region_chan->band);
-
-	for (i = 0; i < region_chan->nrcfp; i++, cfp++) {
-		parsed_region_chan->chanpwr[i].chan = cfp->channel;
-		parsed_region_chan->chanpwr[i].pwr = cfp->maxtxpower;
-		lbs_deb_11d("chan %d, pwr %d\n",
-		       parsed_region_chan->chanpwr[i].chan,
-		       parsed_region_chan->chanpwr[i].pwr);
-	}
-	parsed_region_chan->nr_chan = region_chan->nrcfp;
-
-	lbs_deb_11d("nrchan %d\n", parsed_region_chan->nr_chan);
-
-	return;
-}
-
-/**
- *  @brief generate parsed_region_chan from Domain Info learned from AP/IBSS
- *  @param region               region ID
- *  @param band                 band
- *  @param chan                 chan
- *  @return 	                TRUE;FALSE
-*/
-static u8 lbs_region_chan_supported_11d(u8 region, u8 chan)
-{
-	struct chan_freq_power *cfp;
-	int cfp_no;
-	u8 idx;
-	int ret = 0;
-
-	lbs_deb_enter(LBS_DEB_11D);
-
-	cfp = lbs_get_region_cfp_table(region, &cfp_no);
-	if (cfp == NULL)
-		return 0;
-
-	for (idx = 0; idx < cfp_no; idx++) {
-		if (chan == (cfp + idx)->channel) {
-			/* If Mrvl Chip Supported? */
-			if ((cfp + idx)->unsupported) {
-				ret = 0;
-			} else {
-				ret = 1;
-			}
-			goto done;
-		}
-	}
-
-	/*chan is not in the region table */
-
-done:
-	lbs_deb_leave_args(LBS_DEB_11D, "ret %d", ret);
-	return ret;
-}
-
-/**
- *  @brief This function checks if chan txpwr is learned from AP/IBSS
- *  @param chan                 chan number
- *  @param parsed_region_chan   pointer to parsed_region_chan_11d
- *  @return 	                0
-*/
-static int parse_domain_info_11d(struct ieee_ie_country_info_full_set *countryinfo,
-				 u8 band,
-				 struct parsed_region_chan_11d *parsed_region_chan)
-{
-	u8 nr_subband, nrchan;
-	u8 lastchan, firstchan;
-	u8 region;
-	u8 curchan = 0;
-
-	u8 idx = 0;		/*chan index in parsed_region_chan */
-
-	u8 j, i;
-
-	lbs_deb_enter(LBS_DEB_11D);
-
-	/*validation Rules:
-	   1. valid region Code
-	   2. First Chan increment
-	   3. channel range no overlap
-	   4. channel is valid?
-	   5. channel is supported by region?
-	   6. Others
-	 */
-
-	lbs_deb_hex(LBS_DEB_11D, "countryinfo", (u8 *) countryinfo, 30);
-
-	if ((*(countryinfo->countrycode)) == 0
-	    || (countryinfo->header.len <= COUNTRY_CODE_LEN)) {
-		/* No region Info or Wrong region info: treat as No 11D info */
-		goto done;
-	}
-
-	/*Step1: check region_code */
-	parsed_region_chan->region = region =
-	    lbs_region_2_code(countryinfo->countrycode);
-
-	lbs_deb_11d("regioncode=%x\n", (u8) parsed_region_chan->region);
-	lbs_deb_hex(LBS_DEB_11D, "countrycode", (char *)countryinfo->countrycode,
-		COUNTRY_CODE_LEN);
-
-	parsed_region_chan->band = band;
-
-	memcpy(parsed_region_chan->countrycode, countryinfo->countrycode,
-	       COUNTRY_CODE_LEN);
-
-	nr_subband = (countryinfo->header.len - COUNTRY_CODE_LEN) /
-	    sizeof(struct ieee_subbandset);
-
-	for (j = 0, lastchan = 0; j < nr_subband; j++) {
-
-		if (countryinfo->subband[j].firstchan <= lastchan) {
-			/*Step2&3. Check First Chan Num increment and no overlap */
-			lbs_deb_11d("chan %d>%d, overlap\n",
-			       countryinfo->subband[j].firstchan, lastchan);
-			continue;
-		}
-
-		firstchan = countryinfo->subband[j].firstchan;
-		nrchan = countryinfo->subband[j].nrchan;
-
-		for (i = 0; idx < MAX_NO_OF_CHAN && i < nrchan; i++) {
-			/*step4: channel is supported? */
-
-			if (!lbs_get_chan_11d(firstchan, i, &curchan)) {
-				/* Chan is not found in UN table */
-				lbs_deb_11d("chan is not supported: %d \n", i);
-				break;
-			}
-
-			lastchan = curchan;
-
-			if (lbs_region_chan_supported_11d(region, curchan)) {
-				/*step5: Check if curchan is supported by mrvl in region */
-				parsed_region_chan->chanpwr[idx].chan = curchan;
-				parsed_region_chan->chanpwr[idx].pwr =
-				    countryinfo->subband[j].maxtxpwr;
-				idx++;
-			} else {
-				/*not supported and ignore the chan */
-				lbs_deb_11d(
-				       "i %d, chan %d unsupported in region %x, band %d\n",
-				       i, curchan, region, band);
-			}
-		}
-
-		/*Step6: Add other checking if any */
-
-	}
-
-	parsed_region_chan->nr_chan = idx;
-
-	lbs_deb_11d("nrchan=%x\n", parsed_region_chan->nr_chan);
-	lbs_deb_hex(LBS_DEB_11D, "parsed_region_chan", (u8 *) parsed_region_chan,
-		2 + COUNTRY_CODE_LEN + sizeof(struct parsed_region_chan_11d) * idx);
-
-done:
-	lbs_deb_enter(LBS_DEB_11D);
-	return 0;
-}
-
-/**
- *  @brief This function calculates the scan type for channels
- *  @param chan                 chan number
- *  @param parsed_region_chan   pointer to parsed_region_chan_11d
- *  @return 	                PASSIVE if chan is unknown; ACTIVE if chan is known
-*/
-u8 lbs_get_scan_type_11d(u8 chan,
-			  struct parsed_region_chan_11d * parsed_region_chan)
-{
-	u8 scan_type = CMD_SCAN_TYPE_PASSIVE;
-
-	lbs_deb_enter(LBS_DEB_11D);
-
-	if (lbs_channel_known_11d(chan, parsed_region_chan)) {
-		lbs_deb_11d("found, do active scan\n");
-		scan_type = CMD_SCAN_TYPE_ACTIVE;
-	} else {
-		lbs_deb_11d("not found, do passive scan\n");
-	}
-
-	lbs_deb_leave_args(LBS_DEB_11D, "ret scan_type %d", scan_type);
-	return scan_type;
-
-}
-
-void lbs_init_11d(struct lbs_private *priv)
-{
-	priv->enable11d = 0;
-	memset(&(priv->parsed_region_chan), 0,
-	       sizeof(struct parsed_region_chan_11d));
-	return;
-}
-
-/**
- *  @brief This function sets DOMAIN INFO to FW
- *  @param priv       pointer to struct lbs_private
- *  @return 	      0; -1
-*/
-static int set_domain_info_11d(struct lbs_private *priv)
-{
-	int ret;
-
-	if (!priv->enable11d) {
-		lbs_deb_11d("dnld domain Info with 11d disabled\n");
-		return 0;
-	}
-
-	ret = lbs_prepare_and_send_command(priv, CMD_802_11D_DOMAIN_INFO,
-				    CMD_ACT_SET,
-				    CMD_OPTION_WAITFORRSP, 0, NULL);
-	if (ret)
-		lbs_deb_11d("fail to dnld domain info\n");
-
-	return ret;
-}
-
-/**
- *  @brief This function setups scan channels
- *  @param priv       pointer to struct lbs_private
- *  @param band       band
- *  @return 	      0
-*/
-int lbs_set_universaltable(struct lbs_private *priv, u8 band)
-{
-	u16 size = sizeof(struct chan_freq_power);
-	u16 i = 0;
-
-	memset(priv->universal_channel, 0,
-	       sizeof(priv->universal_channel));
-
-	priv->universal_channel[i].nrcfp =
-	    sizeof(channel_freq_power_UN_BG) / size;
-	lbs_deb_11d("BG-band nrcfp %d\n",
-	       priv->universal_channel[i].nrcfp);
-
-	priv->universal_channel[i].CFP = channel_freq_power_UN_BG;
-	priv->universal_channel[i].valid = 1;
-	priv->universal_channel[i].region = UNIVERSAL_REGION_CODE;
-	priv->universal_channel[i].band = band;
-	i++;
-
-	return 0;
-}
-
-/**
- *  @brief This function implements command CMD_802_11D_DOMAIN_INFO
- *  @param priv       pointer to struct lbs_private
- *  @param cmd        pointer to cmd buffer
- *  @param cmdno      cmd ID
- *  @param cmdOption  cmd action
- *  @return 	      0
-*/
-int lbs_cmd_802_11d_domain_info(struct lbs_private *priv,
-				 struct cmd_ds_command *cmd, u16 cmdno,
-				 u16 cmdoption)
-{
-	struct cmd_ds_802_11d_domain_info *pdomaininfo =
-	    &cmd->params.domaininfo;
-	struct mrvl_ie_domain_param_set *domain = &pdomaininfo->domain;
-	u8 nr_subband = priv->domainreg.nr_subband;
-
-	lbs_deb_enter(LBS_DEB_11D);
-
-	lbs_deb_11d("nr_subband=%x\n", nr_subband);
-
-	cmd->command = cpu_to_le16(cmdno);
-	pdomaininfo->action = cpu_to_le16(cmdoption);
-	if (cmdoption == CMD_ACT_GET) {
-		cmd->size =
-		    cpu_to_le16(sizeof(pdomaininfo->action) + S_DS_GEN);
-		lbs_deb_hex(LBS_DEB_11D, "802_11D_DOMAIN_INFO", (u8 *) cmd,
-			le16_to_cpu(cmd->size));
-		goto done;
-	}
-
-	domain->header.type = cpu_to_le16(TLV_TYPE_DOMAIN);
-	memcpy(domain->countrycode, priv->domainreg.countrycode,
-	       sizeof(domain->countrycode));
-
-	domain->header.len =
-	    cpu_to_le16(nr_subband * sizeof(struct ieee_subbandset) +
-			     sizeof(domain->countrycode));
-
-	if (nr_subband) {
-		memcpy(domain->subband, priv->domainreg.subband,
-		       nr_subband * sizeof(struct ieee_subbandset));
-
-		cmd->size = cpu_to_le16(sizeof(pdomaininfo->action) +
-					     le16_to_cpu(domain->header.len) +
-					     sizeof(struct mrvl_ie_header) +
-					     S_DS_GEN);
-	} else {
-		cmd->size =
-		    cpu_to_le16(sizeof(pdomaininfo->action) + S_DS_GEN);
-	}
-
-	lbs_deb_hex(LBS_DEB_11D, "802_11D_DOMAIN_INFO", (u8 *) cmd, le16_to_cpu(cmd->size));
-
-done:
-	lbs_deb_enter(LBS_DEB_11D);
-	return 0;
-}
-
-/**
- *  @brief This function parses countryinfo from AP and download country info to FW
- *  @param priv    pointer to struct lbs_private
- *  @param resp    pointer to command response buffer
- *  @return 	   0; -1
- */
-int lbs_ret_802_11d_domain_info(struct cmd_ds_command *resp)
-{
-	struct cmd_ds_802_11d_domain_info *domaininfo = &resp->params.domaininforesp;
-	struct mrvl_ie_domain_param_set *domain = &domaininfo->domain;
-	u16 action = le16_to_cpu(domaininfo->action);
-	s16 ret = 0;
-	u8 nr_subband = 0;
-
-	lbs_deb_enter(LBS_DEB_11D);
-
-	lbs_deb_hex(LBS_DEB_11D, "domain info resp", (u8 *) resp,
-		(int)le16_to_cpu(resp->size));
-
-	nr_subband = (le16_to_cpu(domain->header.len) - COUNTRY_CODE_LEN) /
-		      sizeof(struct ieee_subbandset);
-
-	lbs_deb_11d("domain info resp: nr_subband %d\n", nr_subband);
-
-	if (nr_subband > MRVDRV_MAX_SUBBAND_802_11D) {
-		lbs_deb_11d("Invalid Numrer of Subband returned!!\n");
-		return -1;
-	}
-
-	switch (action) {
-	case CMD_ACT_SET:	/*Proc Set action */
-		break;
-
-	case CMD_ACT_GET:
-		break;
-	default:
-		lbs_deb_11d("Invalid action:%d\n", domaininfo->action);
-		ret = -1;
-		break;
-	}
-
-	lbs_deb_leave_args(LBS_DEB_11D, "ret %d", ret);
-	return ret;
-}
-
-/**
- *  @brief This function parses countryinfo from AP and download country info to FW
- *  @param priv    pointer to struct lbs_private
- *  @return 	   0; -1
- */
-int lbs_parse_dnld_countryinfo_11d(struct lbs_private *priv,
-                                        struct bss_descriptor * bss)
-{
-	int ret;
-
-	lbs_deb_enter(LBS_DEB_11D);
-	if (priv->enable11d) {
-		memset(&priv->parsed_region_chan, 0,
-		       sizeof(struct parsed_region_chan_11d));
-		ret = parse_domain_info_11d(&bss->countryinfo, 0,
-					       &priv->parsed_region_chan);
-
-		if (ret == -1) {
-			lbs_deb_11d("error parsing domain_info from AP\n");
-			goto done;
-		}
-
-		memset(&priv->domainreg, 0,
-		       sizeof(struct lbs_802_11d_domain_reg));
-		generate_domain_info_11d(&priv->parsed_region_chan,
-				      &priv->domainreg);
-
-		ret = set_domain_info_11d(priv);
-
-		if (ret) {
-			lbs_deb_11d("error setting domain info\n");
-			goto done;
-		}
-	}
-	ret = 0;
-
-done:
-	lbs_deb_leave_args(LBS_DEB_11D, "ret %d", ret);
-	return ret;
-}
-
-/**
- *  @brief This function generates 11D info from user specified regioncode and download to FW
- *  @param priv    pointer to struct lbs_private
- *  @return 	   0; -1
- */
-int lbs_create_dnld_countryinfo_11d(struct lbs_private *priv)
-{
-	int ret;
-	struct region_channel *region_chan;
-	u8 j;
-
-	lbs_deb_enter(LBS_DEB_11D);
-	lbs_deb_11d("curbssparams.band %d\n", priv->curbssparams.band);
-
-	if (priv->enable11d) {
-		/* update parsed_region_chan_11; dnld domaininf to FW */
-
-		for (j = 0; j < ARRAY_SIZE(priv->region_channel); j++) {
-			region_chan = &priv->region_channel[j];
-
-			lbs_deb_11d("%d region_chan->band %d\n", j,
-			       region_chan->band);
-
-			if (!region_chan || !region_chan->valid
-			    || !region_chan->CFP)
-				continue;
-			if (region_chan->band != priv->curbssparams.band)
-				continue;
-			break;
-		}
-
-		if (j >= ARRAY_SIZE(priv->region_channel)) {
-			lbs_deb_11d("region_chan not found, band %d\n",
-			       priv->curbssparams.band);
-			ret = -1;
-			goto done;
-		}
-
-		memset(&priv->parsed_region_chan, 0,
-		       sizeof(struct parsed_region_chan_11d));
-		lbs_generate_parsed_region_chan_11d(region_chan,
-						     &priv->
-						     parsed_region_chan);
-
-		memset(&priv->domainreg, 0,
-		       sizeof(struct lbs_802_11d_domain_reg));
-		generate_domain_info_11d(&priv->parsed_region_chan,
-					 &priv->domainreg);
-
-		ret = set_domain_info_11d(priv);
-
-		if (ret) {
-			lbs_deb_11d("error setting domain info\n");
-			goto done;
-		}
-
-	}
-	ret = 0;
-
-done:
-	lbs_deb_leave_args(LBS_DEB_11D, "ret %d", ret);
-	return ret;
-}
diff --git a/drivers/net/wireless/libertas/11d.h b/drivers/net/wireless/libertas/11d.h
index fb75d3e321a..a46ae500b25 100644
--- a/drivers/net/wireless/libertas/11d.h
+++ b/drivers/net/wireless/libertas/11d.h
@@ -79,27 +79,4 @@ struct region_code_mapping {
 	u8 code;
 };
 
-struct lbs_private;
-
-u8 lbs_get_scan_type_11d(u8 chan,
-			  struct parsed_region_chan_11d *parsed_region_chan);
-
-u32 lbs_chan_2_freq(u8 chan);
-
-void lbs_init_11d(struct lbs_private *priv);
-
-int lbs_set_universaltable(struct lbs_private *priv, u8 band);
-
-int lbs_cmd_802_11d_domain_info(struct lbs_private *priv,
-				 struct cmd_ds_command *cmd, u16 cmdno,
-				 u16 cmdOption);
-
-int lbs_ret_802_11d_domain_info(struct cmd_ds_command *resp);
-
-struct bss_descriptor;
-int lbs_parse_dnld_countryinfo_11d(struct lbs_private *priv,
-                                        struct bss_descriptor * bss);
-
-int lbs_create_dnld_countryinfo_11d(struct lbs_private *priv);
-
 #endif
diff --git a/drivers/net/wireless/libertas/Makefile b/drivers/net/wireless/libertas/Makefile
index e5584dd1c79..fa37039e0ea 100644
--- a/drivers/net/wireless/libertas/Makefile
+++ b/drivers/net/wireless/libertas/Makefile
@@ -1,4 +1,3 @@
-libertas-y += 11d.o
 libertas-y += assoc.o
 libertas-y += cfg.o
 libertas-y += cmd.o
diff --git a/drivers/net/wireless/libertas/assoc.c b/drivers/net/wireless/libertas/assoc.c
index dd8732611ba..f7161b5e070 100644
--- a/drivers/net/wireless/libertas/assoc.c
+++ b/drivers/net/wireless/libertas/assoc.c
@@ -371,11 +371,6 @@ static int lbs_associate(struct lbs_private *priv,
 	/* update curbssparams */
 	priv->curbssparams.channel = bss->phy.ds.channel;
 
-	if (lbs_parse_dnld_countryinfo_11d(priv, bss)) {
-		ret = -1;
-		goto done;
-	}
-
 	ret = lbs_cmd_with_response(priv, command, &cmd);
 	if (ret == 0) {
 		ret = lbs_assoc_post(priv,
@@ -633,11 +628,6 @@ static int lbs_adhoc_join(struct lbs_private *priv,
 		}
 	}
 
-	if (lbs_parse_dnld_countryinfo_11d(priv, bss)) {
-		ret = -1;
-		goto out;
-	}
-
 	ret = lbs_cmd_with_response(priv, CMD_802_11_AD_HOC_JOIN, &cmd);
 	if (ret == 0) {
 		ret = lbs_adhoc_post(priv,
@@ -737,12 +727,6 @@ static int lbs_adhoc_start(struct lbs_private *priv,
 	lbs_deb_join("ADHOC_START: rates=%02x %02x %02x %02x\n",
 	       cmd.rates[0], cmd.rates[1], cmd.rates[2], cmd.rates[3]);
 
-	if (lbs_create_dnld_countryinfo_11d(priv)) {
-		lbs_deb_join("ADHOC_START: dnld_countryinfo_11d failed\n");
-		ret = -1;
-		goto out;
-	}
-
 	lbs_deb_join("ADHOC_START: Starting Ad-Hoc BSS on channel %d, band %d\n",
 		     assoc_req->channel, assoc_req->band);
 
diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index 8841a0ecf3b..4729895c6d0 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -190,11 +190,6 @@ int lbs_update_hw_spec(struct lbs_private *priv)
 		goto out;
 	}
 
-	if (lbs_set_universaltable(priv, 0)) {
-		ret = -1;
-		goto out;
-	}
-
 out:
 	lbs_deb_leave(LBS_DEB_CMD);
 	return ret;
@@ -1511,11 +1506,6 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
 		ret = 0;
 		goto done;
 
-	case CMD_802_11D_DOMAIN_INFO:
-		ret = lbs_cmd_802_11d_domain_info(priv, cmdptr,
-						   cmd_no, cmd_action);
-		break;
-
 	case CMD_802_11_TPC_CFG:
 		cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
 		cmdptr->size =
diff --git a/drivers/net/wireless/libertas/cmdresp.c b/drivers/net/wireless/libertas/cmdresp.c
index a45061b1f33..384fc6187d8 100644
--- a/drivers/net/wireless/libertas/cmdresp.c
+++ b/drivers/net/wireless/libertas/cmdresp.c
@@ -228,10 +228,6 @@ static inline int handle_cmd_response(struct lbs_private *priv,
 		ret = lbs_ret_802_11_rssi(priv, resp);
 		break;
 
-	case CMD_RET(CMD_802_11D_DOMAIN_INFO):
-		ret = lbs_ret_802_11d_domain_info(resp);
-		break;
-
 	case CMD_RET(CMD_802_11_TPC_CFG):
 		spin_lock_irqsave(&priv->driver_lock, flags);
 		memmove((void *)priv->cur_cmd->callback_arg, &resp->params.tpccfg,
diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
index 191ea33de50..968acdb53f5 100644
--- a/drivers/net/wireless/libertas/dev.h
+++ b/drivers/net/wireless/libertas/dev.h
@@ -325,15 +325,6 @@ struct lbs_private {
 	/** region channel data */
 	struct region_channel region_channel[MAX_REGION_CHANNEL_NUM];
 
-	struct region_channel universal_channel[MAX_REGION_CHANNEL_NUM];
-
-	/** 11D and Domain Regulatory Data */
-	struct lbs_802_11d_domain_reg domainreg;
-	struct parsed_region_chan_11d parsed_region_chan;
-
-	/** FSM variable for 11d support */
-	u32 enable11d;
-
 	/**	MISCELLANEOUS */
 	struct lbs_offset_value offsetvalue;
 
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index b7363236cc5..2f87659cc1d 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -1408,9 +1408,6 @@ int lbs_start_card(struct lbs_private *priv)
 	if (ret)
 		goto done;
 
-	/* init 802.11d */
-	lbs_init_11d(priv);
-
 	if (lbs_cfg_register(priv)) {
 		lbs_pr_err("cannot register device\n");
 		goto done;
diff --git a/drivers/net/wireless/libertas/scan.c b/drivers/net/wireless/libertas/scan.c
index d8fc2b8b302..584ff76bcf8 100644
--- a/drivers/net/wireless/libertas/scan.c
+++ b/drivers/net/wireless/libertas/scan.c
@@ -161,31 +161,15 @@ static int lbs_scan_create_channel_list(struct lbs_private *priv,
 	scantype = CMD_SCAN_TYPE_ACTIVE;
 
 	for (rgnidx = 0; rgnidx < ARRAY_SIZE(priv->region_channel); rgnidx++) {
-		if (priv->enable11d && (priv->connect_status != LBS_CONNECTED)
-		    && (priv->mesh_connect_status != LBS_CONNECTED)) {
-			/* Scan all the supported chan for the first scan */
-			if (!priv->universal_channel[rgnidx].valid)
-				continue;
-			scanregion = &priv->universal_channel[rgnidx];
-
-			/* clear the parsed_region_chan for the first scan */
-			memset(&priv->parsed_region_chan, 0x00,
-			       sizeof(priv->parsed_region_chan));
-		} else {
-			if (!priv->region_channel[rgnidx].valid)
-				continue;
-			scanregion = &priv->region_channel[rgnidx];
-		}
+		if (!priv->region_channel[rgnidx].valid)
+			continue;
+		scanregion = &priv->region_channel[rgnidx];
 
 		for (nextchan = 0; nextchan < scanregion->nrcfp; nextchan++, chanidx++) {
 			struct chanscanparamset *chan = &scanchanlist[chanidx];
 
 			cfp = scanregion->CFP + nextchan;
 
-			if (priv->enable11d)
-				scantype = lbs_get_scan_type_11d(cfp->channel,
-								 &priv->parsed_region_chan);
-
 			if (scanregion->band == BAND_B || scanregion->band == BAND_G)
 				chan->radiotype = CMD_SCAN_RADIO_TYPE_BG;
 
diff --git a/drivers/net/wireless/libertas/wext.c b/drivers/net/wireless/libertas/wext.c
index 4594841cd4a..82a932aef6f 100644
--- a/drivers/net/wireless/libertas/wext.c
+++ b/drivers/net/wireless/libertas/wext.c
@@ -65,8 +65,6 @@ struct chan_freq_power *lbs_find_cfp_by_band_and_channel(
 	for (j = 0; !cfp && (j < ARRAY_SIZE(priv->region_channel)); j++) {
 		rc = &priv->region_channel[j];
 
-		if (priv->enable11d)
-			rc = &priv->universal_channel[j];
 		if (!rc->valid || !rc->CFP)
 			continue;
 		if (rc->band != band)
@@ -106,8 +104,6 @@ static struct chan_freq_power *find_cfp_by_band_and_freq(
 	for (j = 0; !cfp && (j < ARRAY_SIZE(priv->region_channel)); j++) {
 		rc = &priv->region_channel[j];
 
-		if (priv->enable11d)
-			rc = &priv->universal_channel[j];
 		if (!rc->valid || !rc->CFP)
 			continue;
 		if (rc->band != band)
@@ -546,8 +542,6 @@ static int lbs_get_range(struct net_device *dev, struct iw_request_info *info,
 	struct chan_freq_power *cfp;
 	u8 rates[MAX_RATES + 1];
 
-	u8 flag = 0;
-
 	lbs_deb_enter(LBS_DEB_WEXT);
 
 	dwrq->length = sizeof(struct iw_range);
@@ -569,52 +563,21 @@ static int lbs_get_range(struct net_device *dev, struct iw_request_info *info,
 
 	range->scan_capa = IW_SCAN_CAPA_ESSID;
 
-	if (priv->enable11d &&
-	    (priv->connect_status == LBS_CONNECTED ||
-	    priv->mesh_connect_status == LBS_CONNECTED)) {
-		u8 chan_no;
-		u8 band;
-
-		struct parsed_region_chan_11d *parsed_region_chan =
-		    &priv->parsed_region_chan;
-
-		if (parsed_region_chan == NULL) {
-			lbs_deb_wext("11d: parsed_region_chan is NULL\n");
-			goto out;
-		}
-		band = parsed_region_chan->band;
-		lbs_deb_wext("band %d, nr_char %d\n", band,
-		       parsed_region_chan->nr_chan);
-
+	for (j = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
+	     && (j < ARRAY_SIZE(priv->region_channel)); j++) {
+		cfp = priv->region_channel[j].CFP;
 		for (i = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
-		     && (i < parsed_region_chan->nr_chan); i++) {
-			chan_no = parsed_region_chan->chanpwr[i].chan;
-			lbs_deb_wext("chan_no %d\n", chan_no);
-			range->freq[range->num_frequency].i = (long)chan_no;
+		     && priv->region_channel[j].valid
+		     && cfp
+		     && (i < priv->region_channel[j].nrcfp); i++) {
+			range->freq[range->num_frequency].i =
+			    (long)cfp->channel;
 			range->freq[range->num_frequency].m =
-			    (long)lbs_chan_2_freq(chan_no) * 100000;
+			    (long)cfp->freq * 100000;
 			range->freq[range->num_frequency].e = 1;
+			cfp++;
 			range->num_frequency++;
 		}
-		flag = 1;
-	}
-	if (!flag) {
-		for (j = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
-		     && (j < ARRAY_SIZE(priv->region_channel)); j++) {
-			cfp = priv->region_channel[j].CFP;
-			for (i = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
-			     && priv->region_channel[j].valid
-			     && cfp
-			     && (i < priv->region_channel[j].nrcfp); i++) {
-				range->freq[range->num_frequency].i =
-				    (long)cfp->channel;
-				range->freq[range->num_frequency].m =
-				    (long)cfp->freq * 100000;
-				range->freq[range->num_frequency].e = 1;
-				cfp++;
-				range->num_frequency++;
-			}
-		}
 	}
 
 	lbs_deb_wext("IW_MAX_FREQUENCIES %d, num_frequency %d\n",
@@ -699,7 +662,6 @@ static int lbs_get_range(struct net_device *dev, struct iw_request_info *info,
 		                  | IW_ENC_CAPA_CIPHER_CCMP;
 	}
 
-out:
 	lbs_deb_leave(LBS_DEB_WEXT);
 	return 0;
 }
-- 
GitLab


From f4228b4c2e5864ee9d2051176beb2bd5a49a15cc Mon Sep 17 00:00:00 2001
From: Holger Schurig <hs4233@mail.mn-solutions.de>
Date: Thu, 22 Oct 2009 15:30:46 +0200
Subject: [PATCH 0579/1815] libertas: remove unused 11d.h as well,
 priv->countryinfo

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/11d.h  | 82 ----------------------------
 drivers/net/wireless/libertas/dev.h  |  2 -
 drivers/net/wireless/libertas/host.h |  6 +-
 drivers/net/wireless/libertas/scan.c | 21 -------
 4 files changed, 2 insertions(+), 109 deletions(-)
 delete mode 100644 drivers/net/wireless/libertas/11d.h

diff --git a/drivers/net/wireless/libertas/11d.h b/drivers/net/wireless/libertas/11d.h
deleted file mode 100644
index a46ae500b25..00000000000
--- a/drivers/net/wireless/libertas/11d.h
+++ /dev/null
@@ -1,82 +0,0 @@
-/**
-  * This header file contains data structures and
-  * function declarations of 802.11d
-  */
-#ifndef _LBS_11D_
-#define _LBS_11D_
-
-#include "types.h"
-#include "defs.h"
-
-#define UNIVERSAL_REGION_CODE			0xff
-
-/** (Beaconsize(256)-5(IEId,len,contrystr(3))/3(FirstChan,NoOfChan,MaxPwr)
- */
-#define MRVDRV_MAX_SUBBAND_802_11D		83
-
-#define COUNTRY_CODE_LEN			3
-#define MAX_NO_OF_CHAN 				40
-
-struct cmd_ds_command;
-
-/** Data structure for Country IE*/
-struct ieee_subbandset {
-	u8 firstchan;
-	u8 nrchan;
-	u8 maxtxpwr;
-} __attribute__ ((packed));
-
-struct ieee_ie_country_info_set {
-	struct ieee_ie_header header;
-
-	u8 countrycode[COUNTRY_CODE_LEN];
-	struct ieee_subbandset subband[1];
-};
-
-struct ieee_ie_country_info_full_set {
-	struct ieee_ie_header header;
-
-	u8 countrycode[COUNTRY_CODE_LEN];
-	struct ieee_subbandset subband[MRVDRV_MAX_SUBBAND_802_11D];
-} __attribute__ ((packed));
-
-struct mrvl_ie_domain_param_set {
-	struct mrvl_ie_header header;
-
-	u8 countrycode[COUNTRY_CODE_LEN];
-	struct ieee_subbandset subband[1];
-} __attribute__ ((packed));
-
-struct cmd_ds_802_11d_domain_info {
-	__le16 action;
-	struct mrvl_ie_domain_param_set domain;
-} __attribute__ ((packed));
-
-/** domain regulatory information */
-struct lbs_802_11d_domain_reg {
-	/** country Code*/
-	u8 countrycode[COUNTRY_CODE_LEN];
-	/** No. of subband*/
-	u8 nr_subband;
-	struct ieee_subbandset subband[MRVDRV_MAX_SUBBAND_802_11D];
-};
-
-struct chan_power_11d {
-	u8 chan;
-	u8 pwr;
-} __attribute__ ((packed));
-
-struct parsed_region_chan_11d {
-	u8 band;
-	u8 region;
-	s8 countrycode[COUNTRY_CODE_LEN];
-	struct chan_power_11d chanpwr[MAX_NO_OF_CHAN];
-	u8 nr_chan;
-} __attribute__ ((packed));
-
-struct region_code_mapping {
-	u8 region[COUNTRY_CODE_LEN];
-	u8 code;
-};
-
-#endif
diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
index 968acdb53f5..52b5ca1cd57 100644
--- a/drivers/net/wireless/libertas/dev.h
+++ b/drivers/net/wireless/libertas/dev.h
@@ -360,8 +360,6 @@ struct bss_descriptor {
 	union ieee_phy_param_set phy;
 	union ieee_ss_param_set ss;
 
-	struct ieee_ie_country_info_full_set countryinfo;
-
 	u8 wpa_ie[MAX_WPA_IE_LEN];
 	size_t wpa_ie_len;
 	u8 rsn_ie[MAX_WPA_IE_LEN];
diff --git a/drivers/net/wireless/libertas/host.h b/drivers/net/wireless/libertas/host.h
index 25342743b1f..d2a8d04d2b4 100644
--- a/drivers/net/wireless/libertas/host.h
+++ b/drivers/net/wireless/libertas/host.h
@@ -6,7 +6,8 @@
 #ifndef _LBS_HOST_H_
 #define _LBS_HOST_H_
 
-#include "11d.h"
+#include "types.h"
+#include "defs.h"
 
 #define DEFAULT_AD_HOC_CHANNEL                  6
 
@@ -961,9 +962,6 @@ struct cmd_ds_command {
 		struct cmd_ds_bbp_reg_access bbpreg;
 		struct cmd_ds_rf_reg_access rfreg;
 
-		struct cmd_ds_802_11d_domain_info domaininfo;
-		struct cmd_ds_802_11d_domain_info domaininforesp;
-
 		struct cmd_ds_802_11_tpc_cfg tpccfg;
 		struct cmd_ds_802_11_afc afc;
 		struct cmd_ds_802_11_led_ctrl ledgpio;
diff --git a/drivers/net/wireless/libertas/scan.c b/drivers/net/wireless/libertas/scan.c
index 584ff76bcf8..64b404783f4 100644
--- a/drivers/net/wireless/libertas/scan.c
+++ b/drivers/net/wireless/libertas/scan.c
@@ -503,7 +503,6 @@ static int lbs_process_bss(struct bss_descriptor *bss,
 	struct ieee_ie_cf_param_set *cf;
 	struct ieee_ie_ibss_param_set *ibss;
 	DECLARE_SSID_BUF(ssid);
-	struct ieee_ie_country_info_set *pcountryinfo;
 	uint8_t *pos, *end, *p;
 	uint8_t n_ex_rates = 0, got_basic_rates = 0, n_basic_rates = 0;
 	uint16_t beaconsize = 0;
@@ -626,26 +625,6 @@ static int lbs_process_bss(struct bss_descriptor *bss,
 			lbs_deb_scan("got IBSS IE\n");
 			break;
 
-		case WLAN_EID_COUNTRY:
-			pcountryinfo = (struct ieee_ie_country_info_set *) pos;
-			lbs_deb_scan("got COUNTRY IE\n");
-			if (pcountryinfo->header.len < sizeof(pcountryinfo->countrycode)
-			    || pcountryinfo->header.len > 254) {
-				lbs_deb_scan("%s: 11D- Err CountryInfo len %d, min %zd, max 254\n",
-					     __func__,
-					     pcountryinfo->header.len,
-					     sizeof(pcountryinfo->countrycode));
-				ret = -1;
-				goto done;
-			}
-
-			memcpy(&bss->countryinfo, pcountryinfo,
-				pcountryinfo->header.len + 2);
-			lbs_deb_hex(LBS_DEB_SCAN, "process_bss: 11d countryinfo",
-				    (uint8_t *) pcountryinfo,
-				    (int) (pcountryinfo->header.len + 2));
-			break;
-
 		case WLAN_EID_EXT_SUPP_RATES:
 			/* only process extended supported rate if data rate is
 			 * already found. Data rate IE should come before
-- 
GitLab


From 243e84e91ed810f7dca5ba1c2d1a611811948566 Mon Sep 17 00:00:00 2001
From: Holger Schurig <hs4233@mail.mn-solutions.de>
Date: Thu, 22 Oct 2009 15:30:47 +0200
Subject: [PATCH 0580/1815] libertas: change IW_ESSID_MAX_SIZE ->
 IEEE80211_MAX_SSID_LEN

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/assoc.c      | 10 +++++-----
 drivers/net/wireless/libertas/cmd.c        |  2 +-
 drivers/net/wireless/libertas/cmdresp.c    |  2 +-
 drivers/net/wireless/libertas/dev.h        | 10 +++++-----
 drivers/net/wireless/libertas/host.h       |  4 ++--
 drivers/net/wireless/libertas/persistcfg.c |  8 ++++----
 drivers/net/wireless/libertas/scan.c       |  6 +++---
 drivers/net/wireless/libertas/types.h      |  4 ++--
 drivers/net/wireless/libertas/wext.c       |  8 ++++----
 9 files changed, 27 insertions(+), 27 deletions(-)

diff --git a/drivers/net/wireless/libertas/assoc.c b/drivers/net/wireless/libertas/assoc.c
index f7161b5e070..5a280ebadba 100644
--- a/drivers/net/wireless/libertas/assoc.c
+++ b/drivers/net/wireless/libertas/assoc.c
@@ -226,7 +226,7 @@ static int lbs_assoc_post(struct lbs_private *priv,
 	priv->connect_status = LBS_CONNECTED;
 
 	/* Update current SSID and BSSID */
-	memcpy(&priv->curbssparams.ssid, &bss->ssid, IW_ESSID_MAX_SIZE);
+	memcpy(&priv->curbssparams.ssid, &bss->ssid, IEEE80211_MAX_SSID_LEN);
 	priv->curbssparams.ssid_len = bss->ssid_len;
 	memcpy(priv->curbssparams.bssid, bss->bssid, ETH_ALEN);
 
@@ -467,7 +467,7 @@ static int lbs_adhoc_post(struct lbs_private *priv,
 	memcpy(&priv->curbssparams.bssid, bss->bssid, ETH_ALEN);
 
 	/* Set the new SSID to current SSID */
-	memcpy(&priv->curbssparams.ssid, &bss->ssid, IW_ESSID_MAX_SIZE);
+	memcpy(&priv->curbssparams.ssid, &bss->ssid, IEEE80211_MAX_SSID_LEN);
 	priv->curbssparams.ssid_len = bss->ssid_len;
 
 	netif_carrier_on(priv->dev);
@@ -1083,7 +1083,7 @@ static int assoc_helper_essid(struct lbs_private *priv,
 			/* else send START command */
 			lbs_deb_assoc("SSID not found, creating adhoc network\n");
 			memcpy(&assoc_req->bss.ssid, &assoc_req->ssid,
-				IW_ESSID_MAX_SIZE);
+				IEEE80211_MAX_SSID_LEN);
 			assoc_req->bss.ssid_len = assoc_req->ssid_len;
 			lbs_adhoc_start(priv, assoc_req);
 		}
@@ -1541,7 +1541,7 @@ static int lbs_find_best_network_ssid(struct lbs_private *priv,
 
 	found = lbs_find_best_ssid_in_list(priv, preferred_mode);
 	if (found && (found->ssid_len > 0)) {
-		memcpy(out_ssid, &found->ssid, IW_ESSID_MAX_SIZE);
+		memcpy(out_ssid, &found->ssid, IEEE80211_MAX_SSID_LEN);
 		*out_ssid_len = found->ssid_len;
 		*out_mode = found->mode;
 		ret = 0;
@@ -1759,7 +1759,7 @@ struct assoc_request *lbs_get_association_request(struct lbs_private *priv)
 	assoc_req = priv->pending_assoc_req;
 	if (!test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)) {
 		memcpy(&assoc_req->ssid, &priv->curbssparams.ssid,
-		       IW_ESSID_MAX_SIZE);
+		       IEEE80211_MAX_SSID_LEN);
 		assoc_req->ssid_len = priv->curbssparams.ssid_len;
 	}
 
diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index 4729895c6d0..dd4f9823135 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -1167,7 +1167,7 @@ int lbs_mesh_config(struct lbs_private *priv, uint16_t action, uint16_t chan)
 		ie->val.mesh_id_len = priv->mesh_ssid_len;
 		memcpy(ie->val.mesh_id, priv->mesh_ssid, priv->mesh_ssid_len);
 		ie->len = sizeof(struct mrvl_meshie_val) -
-			IW_ESSID_MAX_SIZE + priv->mesh_ssid_len;
+			IEEE80211_MAX_SSID_LEN + priv->mesh_ssid_len;
 		cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie_val));
 		break;
 	case CMD_ACT_MESH_CONFIG_STOP:
diff --git a/drivers/net/wireless/libertas/cmdresp.c b/drivers/net/wireless/libertas/cmdresp.c
index 384fc6187d8..6e210388595 100644
--- a/drivers/net/wireless/libertas/cmdresp.c
+++ b/drivers/net/wireless/libertas/cmdresp.c
@@ -68,7 +68,7 @@ void lbs_mac_event_disconnected(struct lbs_private *priv)
 	 * no longer valid.
 	 */
 	memset(&priv->curbssparams.bssid, 0, ETH_ALEN);
-	memset(&priv->curbssparams.ssid, 0, IW_ESSID_MAX_SIZE);
+	memset(&priv->curbssparams.ssid, 0, IEEE80211_MAX_SSID_LEN);
 	priv->curbssparams.ssid_len = 0;
 
 	if (priv->psstate != PS_STATE_FULL_POWER) {
diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
index 52b5ca1cd57..50b457706ba 100644
--- a/drivers/net/wireless/libertas/dev.h
+++ b/drivers/net/wireless/libertas/dev.h
@@ -65,7 +65,7 @@ struct current_bss_params {
 	/** bssid */
 	u8 bssid[ETH_ALEN];
 	/** ssid */
-	u8 ssid[IW_ESSID_MAX_SIZE + 1];
+	u8 ssid[IEEE80211_MAX_SSID_LEN + 1];
 	u8 ssid_len;
 
 	/** band */
@@ -163,7 +163,7 @@ struct lbs_private {
 	struct work_struct sync_channel;
 	/* remember which channel was scanned last, != 0 if currently scanning */
 	int scan_channel;
-	u8 scan_ssid[IW_ESSID_MAX_SIZE + 1];
+	u8 scan_ssid[IEEE80211_MAX_SSID_LEN + 1];
 	u8 scan_ssid_len;
 
 	/** Hardware access */
@@ -230,7 +230,7 @@ struct lbs_private {
 	struct current_bss_params curbssparams;
 
 	uint16_t mesh_tlv;
-	u8 mesh_ssid[IW_ESSID_MAX_SIZE + 1];
+	u8 mesh_ssid[IEEE80211_MAX_SSID_LEN + 1];
 	u8 mesh_ssid_len;
 
 	/* IW_MODE_* */
@@ -340,7 +340,7 @@ extern struct cmd_confirm_sleep confirm_sleep;
 struct bss_descriptor {
 	u8 bssid[ETH_ALEN];
 
-	u8 ssid[IW_ESSID_MAX_SIZE + 1];
+	u8 ssid[IEEE80211_MAX_SSID_LEN + 1];
 	u8 ssid_len;
 
 	u16 capability;
@@ -389,7 +389,7 @@ struct assoc_request {
 #define ASSOC_FLAG_WPA_IE		11
 	unsigned long flags;
 
-	u8 ssid[IW_ESSID_MAX_SIZE + 1];
+	u8 ssid[IEEE80211_MAX_SSID_LEN + 1];
 	u8 ssid_len;
 	u8 channel;
 	u8 band;
diff --git a/drivers/net/wireless/libertas/host.h b/drivers/net/wireless/libertas/host.h
index d2a8d04d2b4..d4b875445f5 100644
--- a/drivers/net/wireless/libertas/host.h
+++ b/drivers/net/wireless/libertas/host.h
@@ -719,7 +719,7 @@ struct cmd_ds_802_11_rate_adapt_rateset {
 struct cmd_ds_802_11_ad_hoc_start {
 	struct cmd_header hdr;
 
-	u8 ssid[IW_ESSID_MAX_SIZE];
+	u8 ssid[IEEE80211_MAX_SSID_LEN];
 	u8 bsstype;
 	__le16 beaconperiod;
 	u8 dtimperiod;   /* Reserved on v9 and later */
@@ -742,7 +742,7 @@ struct cmd_ds_802_11_ad_hoc_result {
 
 struct adhoc_bssdesc {
 	u8 bssid[ETH_ALEN];
-	u8 ssid[IW_ESSID_MAX_SIZE];
+	u8 ssid[IEEE80211_MAX_SSID_LEN];
 	u8 type;
 	__le16 beaconperiod;
 	u8 dtimperiod;
diff --git a/drivers/net/wireless/libertas/persistcfg.c b/drivers/net/wireless/libertas/persistcfg.c
index 18fe29faf99..871f914a75f 100644
--- a/drivers/net/wireless/libertas/persistcfg.c
+++ b/drivers/net/wireless/libertas/persistcfg.c
@@ -187,9 +187,9 @@ static ssize_t mesh_id_get(struct device *dev, struct device_attribute *attr,
 	if (ret)
 		return ret;
 
-	if (defs.meshie.val.mesh_id_len > IW_ESSID_MAX_SIZE) {
+	if (defs.meshie.val.mesh_id_len > IEEE80211_MAX_SSID_LEN) {
 		lbs_pr_err("inconsistent mesh ID length");
-		defs.meshie.val.mesh_id_len = IW_ESSID_MAX_SIZE;
+		defs.meshie.val.mesh_id_len = IEEE80211_MAX_SSID_LEN;
 	}
 
 	/* SSID not null terminated: reserve room for \0 + \n */
@@ -214,7 +214,7 @@ static ssize_t mesh_id_set(struct device *dev, struct device_attribute *attr,
 	int len;
 	int ret;
 
-	if (count < 2 || count > IW_ESSID_MAX_SIZE + 1)
+	if (count < 2 || count > IEEE80211_MAX_SSID_LEN + 1)
 		return -EINVAL;
 
 	memset(&cmd, 0, sizeof(struct cmd_ds_mesh_config));
@@ -233,7 +233,7 @@ static ssize_t mesh_id_set(struct device *dev, struct device_attribute *attr,
 	/* SSID len */
 	ie->val.mesh_id_len = len;
 	/* IE len */
-	ie->len = sizeof(struct mrvl_meshie_val) - IW_ESSID_MAX_SIZE + len;
+	ie->len = sizeof(struct mrvl_meshie_val) - IEEE80211_MAX_SSID_LEN + len;
 
 	ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
 				   CMD_TYPE_MESH_SET_MESH_IE);
diff --git a/drivers/net/wireless/libertas/scan.c b/drivers/net/wireless/libertas/scan.c
index 64b404783f4..2700f4b455e 100644
--- a/drivers/net/wireless/libertas/scan.c
+++ b/drivers/net/wireless/libertas/scan.c
@@ -19,11 +19,11 @@
 
 //! Approximate amount of data needed to pass a scan result back to iwlist
 #define MAX_SCAN_CELL_SIZE  (IW_EV_ADDR_LEN             \
-                             + IW_ESSID_MAX_SIZE        \
+                             + IEEE80211_MAX_SSID_LEN   \
                              + IW_EV_UINT_LEN           \
                              + IW_EV_FREQ_LEN           \
                              + IW_EV_QUAL_LEN           \
-                             + IW_ESSID_MAX_SIZE        \
+                             + IEEE80211_MAX_SSID_LEN   \
                              + IW_EV_PARAM_LEN          \
                              + 40)	/* 40 for WPAIE */
 
@@ -775,7 +775,7 @@ static inline char *lbs_translate_scan(struct lbs_private *priv,
 	/* SSID */
 	iwe.cmd = SIOCGIWESSID;
 	iwe.u.data.flags = 1;
-	iwe.u.data.length = min((uint32_t) bss->ssid_len, (uint32_t) IW_ESSID_MAX_SIZE);
+	iwe.u.data.length = min((uint32_t) bss->ssid_len, (uint32_t) IEEE80211_MAX_SSID_LEN);
 	start = iwe_stream_add_point(info, start, stop, &iwe, bss->ssid);
 
 	/* Mode */
diff --git a/drivers/net/wireless/libertas/types.h b/drivers/net/wireless/libertas/types.h
index 99905df65b2..3e72c86ceca 100644
--- a/drivers/net/wireless/libertas/types.h
+++ b/drivers/net/wireless/libertas/types.h
@@ -5,8 +5,8 @@
 #define _LBS_TYPES_H_
 
 #include <linux/if_ether.h>
+#include <linux/ieee80211.h>
 #include <asm/byteorder.h>
-#include <linux/wireless.h>
 
 struct ieee_ie_header {
 	u8 id;
@@ -247,7 +247,7 @@ struct mrvl_meshie_val {
 	uint8_t active_metric_id;
 	uint8_t mesh_capability;
 	uint8_t mesh_id_len;
-	uint8_t mesh_id[IW_ESSID_MAX_SIZE];
+	uint8_t mesh_id[IEEE80211_MAX_SSID_LEN];
 } __attribute__ ((packed));
 
 struct mrvl_meshie {
diff --git a/drivers/net/wireless/libertas/wext.c b/drivers/net/wireless/libertas/wext.c
index 82a932aef6f..3e8be9a578e 100644
--- a/drivers/net/wireless/libertas/wext.c
+++ b/drivers/net/wireless/libertas/wext.c
@@ -1989,7 +1989,7 @@ static int lbs_set_essid(struct net_device *dev, struct iw_request_info *info,
 {
 	struct lbs_private *priv = dev->ml_priv;
 	int ret = 0;
-	u8 ssid[IW_ESSID_MAX_SIZE];
+	u8 ssid[IEEE80211_MAX_SSID_LEN];
 	u8 ssid_len = 0;
 	struct assoc_request * assoc_req;
 	int in_ssid_len = dwrq->length;
@@ -2003,7 +2003,7 @@ static int lbs_set_essid(struct net_device *dev, struct iw_request_info *info,
 	}
 
 	/* Check the size of the string */
-	if (in_ssid_len > IW_ESSID_MAX_SIZE) {
+	if (in_ssid_len > IEEE80211_MAX_SSID_LEN) {
 		ret = -E2BIG;
 		goto out;
 	}
@@ -2034,7 +2034,7 @@ out:
 			ret = -ENOMEM;
 		} else {
 			/* Copy the SSID to the association request */
-			memcpy(&assoc_req->ssid, &ssid, IW_ESSID_MAX_SIZE);
+			memcpy(&assoc_req->ssid, &ssid, IEEE80211_MAX_SSID_LEN);
 			assoc_req->ssid_len = ssid_len;
 			set_bit(ASSOC_FLAG_SSID, &assoc_req->flags);
 			lbs_postpone_association_work(priv);
@@ -2085,7 +2085,7 @@ static int lbs_mesh_set_essid(struct net_device *dev,
 	}
 
 	/* Check the size of the string */
-	if (dwrq->length > IW_ESSID_MAX_SIZE) {
+	if (dwrq->length > IEEE80211_MAX_SSID_LEN) {
 		ret = -E2BIG;
 		goto out;
 	}
-- 
GitLab


From 2d46502dce3c79c3c15ac537cb271911f58d12d1 Mon Sep 17 00:00:00 2001
From: Holger Schurig <hs4233@mail.mn-solutions.de>
Date: Thu, 22 Oct 2009 15:30:48 +0200
Subject: [PATCH 0581/1815] libertas: move scan/assoc related stuff

Another cfg80211-preparation patch: removes some code/definitions from
main.c and dev.h and put's it into assoc.c/.h, scan.c/.h.

No function change.

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/assoc.c |   7 +
 drivers/net/wireless/libertas/assoc.h | 122 ++++++++++++++++-
 drivers/net/wireless/libertas/cmd.c   |   1 +
 drivers/net/wireless/libertas/decl.h  |   6 +-
 drivers/net/wireless/libertas/defs.h  |   1 -
 drivers/net/wireless/libertas/dev.h   | 155 +---------------------
 drivers/net/wireless/libertas/main.c  | 182 -------------------------
 drivers/net/wireless/libertas/scan.c  | 184 ++++++++++++++++++++++++++
 drivers/net/wireless/libertas/scan.h  |  30 +++++
 9 files changed, 348 insertions(+), 340 deletions(-)

diff --git a/drivers/net/wireless/libertas/assoc.c b/drivers/net/wireless/libertas/assoc.c
index 5a280ebadba..2ccfeca32cd 100644
--- a/drivers/net/wireless/libertas/assoc.c
+++ b/drivers/net/wireless/libertas/assoc.c
@@ -23,6 +23,13 @@ static const u8 bssid_off[ETH_ALEN]  __attribute__ ((aligned (2))) =
  */
 #define CAPINFO_MASK	(~(0xda00))
 
+/**
+ * 802.11b/g supported bitrates (in 500Kb/s units)
+ */
+u8 lbs_bg_rates[MAX_RATES] =
+    { 0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6c,
+0x00, 0x00 };
+
 
 /**
  *  @brief This function finds common rates between rates and card rates.
diff --git a/drivers/net/wireless/libertas/assoc.h b/drivers/net/wireless/libertas/assoc.h
index 6e765e9f91a..610d14c14cd 100644
--- a/drivers/net/wireless/libertas/assoc.h
+++ b/drivers/net/wireless/libertas/assoc.h
@@ -3,7 +3,127 @@
 #ifndef _LBS_ASSOC_H_
 #define _LBS_ASSOC_H_
 
-#include "dev.h"
+
+#include "defs.h"
+#include "host.h"
+
+
+struct lbs_private;
+
+/*
+ * In theory, the IE is limited to the IE length, 255,
+ * but in practice 64 bytes are enough.
+ */
+#define MAX_WPA_IE_LEN 64
+
+
+
+struct lbs_802_11_security {
+	u8 WPAenabled;
+	u8 WPA2enabled;
+	u8 wep_enabled;
+	u8 auth_mode;
+	u32 key_mgmt;
+};
+
+/** Current Basic Service Set State Structure */
+struct current_bss_params {
+	/** bssid */
+	u8 bssid[ETH_ALEN];
+	/** ssid */
+	u8 ssid[IEEE80211_MAX_SSID_LEN + 1];
+	u8 ssid_len;
+
+	/** band */
+	u8 band;
+	/** channel */
+	u8 channel;
+	/** zero-terminated array of supported data rates */
+	u8 rates[MAX_RATES + 1];
+};
+
+/**
+ *  @brief Structure used to store information for each beacon/probe response
+ */
+struct bss_descriptor {
+	u8 bssid[ETH_ALEN];
+
+	u8 ssid[IEEE80211_MAX_SSID_LEN + 1];
+	u8 ssid_len;
+
+	u16 capability;
+	u32 rssi;
+	u32 channel;
+	u16 beaconperiod;
+	__le16 atimwindow;
+
+	/* IW_MODE_AUTO, IW_MODE_ADHOC, IW_MODE_INFRA */
+	u8 mode;
+
+	/* zero-terminated array of supported data rates */
+	u8 rates[MAX_RATES + 1];
+
+	unsigned long last_scanned;
+
+	union ieee_phy_param_set phy;
+	union ieee_ss_param_set ss;
+
+	u8 wpa_ie[MAX_WPA_IE_LEN];
+	size_t wpa_ie_len;
+	u8 rsn_ie[MAX_WPA_IE_LEN];
+	size_t rsn_ie_len;
+
+	u8 mesh;
+
+	struct list_head list;
+};
+
+/** Association request
+ *
+ * Encapsulates all the options that describe a specific assocation request
+ * or configuration of the wireless card's radio, mode, and security settings.
+ */
+struct assoc_request {
+#define ASSOC_FLAG_SSID			1
+#define ASSOC_FLAG_CHANNEL		2
+#define ASSOC_FLAG_BAND			3
+#define ASSOC_FLAG_MODE			4
+#define ASSOC_FLAG_BSSID		5
+#define ASSOC_FLAG_WEP_KEYS		6
+#define ASSOC_FLAG_WEP_TX_KEYIDX	7
+#define ASSOC_FLAG_WPA_MCAST_KEY	8
+#define ASSOC_FLAG_WPA_UCAST_KEY	9
+#define ASSOC_FLAG_SECINFO		10
+#define ASSOC_FLAG_WPA_IE		11
+	unsigned long flags;
+
+	u8 ssid[IEEE80211_MAX_SSID_LEN + 1];
+	u8 ssid_len;
+	u8 channel;
+	u8 band;
+	u8 mode;
+	u8 bssid[ETH_ALEN] __attribute__ ((aligned (2)));
+
+	/** WEP keys */
+	struct enc_key wep_keys[4];
+	u16 wep_tx_keyidx;
+
+	/** WPA keys */
+	struct enc_key wpa_mcast_key;
+	struct enc_key wpa_unicast_key;
+
+	struct lbs_802_11_security secinfo;
+
+	/** WPA Information Elements*/
+	u8 wpa_ie[MAX_WPA_IE_LEN];
+	u8 wpa_ie_len;
+
+	/* BSS to associate with for infrastructure of Ad-Hoc join */
+	struct bss_descriptor bss;
+};
+
+
+extern u8 lbs_bg_rates[MAX_RATES];
 
 void lbs_association_worker(struct work_struct *work);
 struct assoc_request *lbs_get_association_request(struct lbs_private *priv);
diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index dd4f9823135..ec65be0c4d9 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -12,6 +12,7 @@
 #include "dev.h"
 #include "assoc.h"
 #include "wext.h"
+#include "scan.h"
 #include "cmd.h"
 
 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv);
diff --git a/drivers/net/wireless/libertas/decl.h b/drivers/net/wireless/libertas/decl.h
index 20fa8176cd8..7d8323876c5 100644
--- a/drivers/net/wireless/libertas/decl.h
+++ b/drivers/net/wireless/libertas/decl.h
@@ -10,6 +10,9 @@
 
 #include "defs.h"
 
+
+extern const struct ethtool_ops lbs_ethtool_ops;
+
 /** Function Prototype Declaration */
 struct lbs_private;
 struct sk_buff;
@@ -33,7 +36,6 @@ u8 lbs_data_rate_to_fw_index(u32 rate);
 /** The proc fs interface */
 netdev_tx_t lbs_hard_start_xmit(struct sk_buff *skb,
 				struct net_device *dev);
-int lbs_set_regiontable(struct lbs_private *priv, u8 region, u8 band);
 
 int lbs_process_rxed_packet(struct lbs_private *priv, struct sk_buff *);
 
@@ -49,8 +51,6 @@ void lbs_persist_config_init(struct net_device *net);
 void lbs_persist_config_remove(struct net_device *net);
 
 /* main.c */
-struct chan_freq_power *lbs_get_region_cfp_table(u8 region,
-	int *cfp_no);
 struct lbs_private *lbs_add_card(void *card, struct device *dmdev);
 void lbs_remove_card(struct lbs_private *priv);
 int lbs_start_card(struct lbs_private *priv);
diff --git a/drivers/net/wireless/libertas/defs.h b/drivers/net/wireless/libertas/defs.h
index 1cf5d5985da..6b6ea9f7bf5 100644
--- a/drivers/net/wireless/libertas/defs.h
+++ b/drivers/net/wireless/libertas/defs.h
@@ -322,7 +322,6 @@ static inline void lbs_deb_hex(unsigned int grp, const char *prompt, u8 *buf, in
 extern const char lbs_driver_version[];
 extern u16 lbs_region_code_to_index[MRVDRV_MAX_REGION_CODE];
 
-extern u8 lbs_bg_rates[MAX_RATES];
 
 /** ENUM definition*/
 /** SNRNF_TYPE */
diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
index 50b457706ba..cc245820d3f 100644
--- a/drivers/net/wireless/libertas/dev.h
+++ b/drivers/net/wireless/libertas/dev.h
@@ -6,75 +6,10 @@
 #ifndef _LBS_DEV_H_
 #define _LBS_DEV_H_
 
-#include <linux/netdevice.h>
-#include <linux/wireless.h>
-#include <linux/ethtool.h>
-#include <linux/debugfs.h>
+#include "scan.h"
+#include "assoc.h"
 
-#include "defs.h"
-#include "host.h"
 
-extern const struct ethtool_ops lbs_ethtool_ops;
-
-#define	MAX_BSSID_PER_CHANNEL		16
-
-#define NR_TX_QUEUE			3
-
-/* For the extended Scan */
-#define MAX_EXTENDED_SCAN_BSSID_LIST    MAX_BSSID_PER_CHANNEL * \
-						MRVDRV_MAX_CHANNEL_SIZE + 1
-
-#define	MAX_REGION_CHANNEL_NUM	2
-
-/** Chan-freq-TxPower mapping table*/
-struct chan_freq_power {
-	/** channel Number		*/
-	u16 channel;
-	/** frequency of this channel	*/
-	u32 freq;
-	/** Max allowed Tx power level	*/
-	u16 maxtxpower;
-	/** TRUE:channel unsupported;  FLASE:supported*/
-	u8 unsupported;
-};
-
-/** region-band mapping table*/
-struct region_channel {
-	/** TRUE if this entry is valid		     */
-	u8 valid;
-	/** region code for US, Japan ...	     */
-	u8 region;
-	/** band B/G/A, used for BAND_CONFIG cmd	     */
-	u8 band;
-	/** Actual No. of elements in the array below */
-	u8 nrcfp;
-	/** chan-freq-txpower mapping table*/
-	struct chan_freq_power *CFP;
-};
-
-struct lbs_802_11_security {
-	u8 WPAenabled;
-	u8 WPA2enabled;
-	u8 wep_enabled;
-	u8 auth_mode;
-	u32 key_mgmt;
-};
-
-/** Current Basic Service Set State Structure */
-struct current_bss_params {
-	/** bssid */
-	u8 bssid[ETH_ALEN];
-	/** ssid */
-	u8 ssid[IEEE80211_MAX_SSID_LEN + 1];
-	u8 ssid_len;
-
-	/** band */
-	u8 band;
-	/** channel */
-	u8 channel;
-	/** zero-terminated array of supported data rates */
-	u8 rates[MAX_RATES + 1];
-};
 
 /** sleep_params */
 struct sleep_params {
@@ -295,12 +230,6 @@ struct lbs_private {
 	struct enc_key wpa_mcast_key;
 	struct enc_key wpa_unicast_key;
 
-/*
- * In theory, the IE is limited to the IE length, 255,
- * but in practice 64 bytes are enough.
- */
-#define MAX_WPA_IE_LEN 64
-
 	/** WPA Information Elements*/
 	u8 wpa_ie[MAX_WPA_IE_LEN];
 	u8 wpa_ie_len;
@@ -334,84 +263,4 @@ struct lbs_private {
 
 extern struct cmd_confirm_sleep confirm_sleep;
 
-/**
- *  @brief Structure used to store information for each beacon/probe response
- */
-struct bss_descriptor {
-	u8 bssid[ETH_ALEN];
-
-	u8 ssid[IEEE80211_MAX_SSID_LEN + 1];
-	u8 ssid_len;
-
-	u16 capability;
-	u32 rssi;
-	u32 channel;
-	u16 beaconperiod;
-	__le16 atimwindow;
-
-	/* IW_MODE_AUTO, IW_MODE_ADHOC, IW_MODE_INFRA */
-	u8 mode;
-
-	/* zero-terminated array of supported data rates */
-	u8 rates[MAX_RATES + 1];
-
-	unsigned long last_scanned;
-
-	union ieee_phy_param_set phy;
-	union ieee_ss_param_set ss;
-
-	u8 wpa_ie[MAX_WPA_IE_LEN];
-	size_t wpa_ie_len;
-	u8 rsn_ie[MAX_WPA_IE_LEN];
-	size_t rsn_ie_len;
-
-	u8 mesh;
-
-	struct list_head list;
-};
-
-/** Association request
- *
- * Encapsulates all the options that describe a specific assocation request
- * or configuration of the wireless card's radio, mode, and security settings.
- */
-struct assoc_request {
-#define ASSOC_FLAG_SSID			1
-#define ASSOC_FLAG_CHANNEL		2
-#define ASSOC_FLAG_BAND			3
-#define ASSOC_FLAG_MODE			4
-#define ASSOC_FLAG_BSSID		5
-#define ASSOC_FLAG_WEP_KEYS		6
-#define ASSOC_FLAG_WEP_TX_KEYIDX	7
-#define ASSOC_FLAG_WPA_MCAST_KEY	8
-#define ASSOC_FLAG_WPA_UCAST_KEY	9
-#define ASSOC_FLAG_SECINFO		10
-#define ASSOC_FLAG_WPA_IE		11
-	unsigned long flags;
-
-	u8 ssid[IEEE80211_MAX_SSID_LEN + 1];
-	u8 ssid_len;
-	u8 channel;
-	u8 band;
-	u8 mode;
-	u8 bssid[ETH_ALEN] __attribute__ ((aligned (2)));
-
-	/** WEP keys */
-	struct enc_key wep_keys[4];
-	u16 wep_tx_keyidx;
-
-	/** WPA keys */
-	struct enc_key wpa_mcast_key;
-	struct enc_key wpa_unicast_key;
-
-	struct lbs_802_11_security secinfo;
-
-	/** WPA Information Elements*/
-	u8 wpa_ie[MAX_WPA_IE_LEN];
-	u8 wpa_ie_len;
-
-	/* BSS to associate with for infrastructure of Ad-Hoc join */
-	struct bss_descriptor bss;
-};
-
 #endif
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index 2f87659cc1d..ee089333455 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -45,132 +45,12 @@ module_param_named(libertas_debug, lbs_debug, int, 0644);
 struct cmd_confirm_sleep confirm_sleep;
 
 
-#define LBS_TX_PWR_DEFAULT		20	/*100mW */
-#define LBS_TX_PWR_US_DEFAULT		20	/*100mW */
-#define LBS_TX_PWR_JP_DEFAULT		16	/*50mW */
-#define LBS_TX_PWR_FR_DEFAULT		20	/*100mW */
-#define LBS_TX_PWR_EMEA_DEFAULT	20	/*100mW */
-
-/* Format { channel, frequency (MHz), maxtxpower } */
-/* band: 'B/G', region: USA FCC/Canada IC */
-static struct chan_freq_power channel_freq_power_US_BG[] = {
-	{1, 2412, LBS_TX_PWR_US_DEFAULT},
-	{2, 2417, LBS_TX_PWR_US_DEFAULT},
-	{3, 2422, LBS_TX_PWR_US_DEFAULT},
-	{4, 2427, LBS_TX_PWR_US_DEFAULT},
-	{5, 2432, LBS_TX_PWR_US_DEFAULT},
-	{6, 2437, LBS_TX_PWR_US_DEFAULT},
-	{7, 2442, LBS_TX_PWR_US_DEFAULT},
-	{8, 2447, LBS_TX_PWR_US_DEFAULT},
-	{9, 2452, LBS_TX_PWR_US_DEFAULT},
-	{10, 2457, LBS_TX_PWR_US_DEFAULT},
-	{11, 2462, LBS_TX_PWR_US_DEFAULT}
-};
-
-/* band: 'B/G', region: Europe ETSI */
-static struct chan_freq_power channel_freq_power_EU_BG[] = {
-	{1, 2412, LBS_TX_PWR_EMEA_DEFAULT},
-	{2, 2417, LBS_TX_PWR_EMEA_DEFAULT},
-	{3, 2422, LBS_TX_PWR_EMEA_DEFAULT},
-	{4, 2427, LBS_TX_PWR_EMEA_DEFAULT},
-	{5, 2432, LBS_TX_PWR_EMEA_DEFAULT},
-	{6, 2437, LBS_TX_PWR_EMEA_DEFAULT},
-	{7, 2442, LBS_TX_PWR_EMEA_DEFAULT},
-	{8, 2447, LBS_TX_PWR_EMEA_DEFAULT},
-	{9, 2452, LBS_TX_PWR_EMEA_DEFAULT},
-	{10, 2457, LBS_TX_PWR_EMEA_DEFAULT},
-	{11, 2462, LBS_TX_PWR_EMEA_DEFAULT},
-	{12, 2467, LBS_TX_PWR_EMEA_DEFAULT},
-	{13, 2472, LBS_TX_PWR_EMEA_DEFAULT}
-};
-
-/* band: 'B/G', region: Spain */
-static struct chan_freq_power channel_freq_power_SPN_BG[] = {
-	{10, 2457, LBS_TX_PWR_DEFAULT},
-	{11, 2462, LBS_TX_PWR_DEFAULT}
-};
-
-/* band: 'B/G', region: France */
-static struct chan_freq_power channel_freq_power_FR_BG[] = {
-	{10, 2457, LBS_TX_PWR_FR_DEFAULT},
-	{11, 2462, LBS_TX_PWR_FR_DEFAULT},
-	{12, 2467, LBS_TX_PWR_FR_DEFAULT},
-	{13, 2472, LBS_TX_PWR_FR_DEFAULT}
-};
-
-/* band: 'B/G', region: Japan */
-static struct chan_freq_power channel_freq_power_JPN_BG[] = {
-	{1, 2412, LBS_TX_PWR_JP_DEFAULT},
-	{2, 2417, LBS_TX_PWR_JP_DEFAULT},
-	{3, 2422, LBS_TX_PWR_JP_DEFAULT},
-	{4, 2427, LBS_TX_PWR_JP_DEFAULT},
-	{5, 2432, LBS_TX_PWR_JP_DEFAULT},
-	{6, 2437, LBS_TX_PWR_JP_DEFAULT},
-	{7, 2442, LBS_TX_PWR_JP_DEFAULT},
-	{8, 2447, LBS_TX_PWR_JP_DEFAULT},
-	{9, 2452, LBS_TX_PWR_JP_DEFAULT},
-	{10, 2457, LBS_TX_PWR_JP_DEFAULT},
-	{11, 2462, LBS_TX_PWR_JP_DEFAULT},
-	{12, 2467, LBS_TX_PWR_JP_DEFAULT},
-	{13, 2472, LBS_TX_PWR_JP_DEFAULT},
-	{14, 2484, LBS_TX_PWR_JP_DEFAULT}
-};
-
-/**
- * the structure for channel, frequency and power
- */
-struct region_cfp_table {
-	u8 region;
-	struct chan_freq_power *cfp_BG;
-	int cfp_no_BG;
-};
-
-/**
- * the structure for the mapping between region and CFP
- */
-static struct region_cfp_table region_cfp_table[] = {
-	{0x10,			/*US FCC */
-	 channel_freq_power_US_BG,
-	 ARRAY_SIZE(channel_freq_power_US_BG),
-	 }
-	,
-	{0x20,			/*CANADA IC */
-	 channel_freq_power_US_BG,
-	 ARRAY_SIZE(channel_freq_power_US_BG),
-	 }
-	,
-	{0x30, /*EU*/ channel_freq_power_EU_BG,
-	 ARRAY_SIZE(channel_freq_power_EU_BG),
-	 }
-	,
-	{0x31, /*SPAIN*/ channel_freq_power_SPN_BG,
-	 ARRAY_SIZE(channel_freq_power_SPN_BG),
-	 }
-	,
-	{0x32, /*FRANCE*/ channel_freq_power_FR_BG,
-	 ARRAY_SIZE(channel_freq_power_FR_BG),
-	 }
-	,
-	{0x40, /*JAPAN*/ channel_freq_power_JPN_BG,
-	 ARRAY_SIZE(channel_freq_power_JPN_BG),
-	 }
-	,
-/*Add new region here */
-};
-
 /**
  * the table to keep region code
  */
 u16 lbs_region_code_to_index[MRVDRV_MAX_REGION_CODE] =
     { 0x10, 0x20, 0x30, 0x31, 0x32, 0x40 };
 
-/**
- * 802.11b/g supported bitrates (in 500Kb/s units)
- */
-u8 lbs_bg_rates[MAX_RATES] =
-    { 0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6c,
-0x00, 0x00 };
-
 /**
  * FW rate table.  FW refers to rates by their index in this table, not by the
  * rate value itself.  Values of 0x00 are
@@ -1617,68 +1497,6 @@ static void lbs_remove_mesh(struct lbs_private *priv)
 	lbs_deb_leave(LBS_DEB_MESH);
 }
 
-/**
- *  @brief This function finds the CFP in
- *  region_cfp_table based on region and band parameter.
- *
- *  @param region  The region code
- *  @param band	   The band
- *  @param cfp_no  A pointer to CFP number
- *  @return 	   A pointer to CFP
- */
-struct chan_freq_power *lbs_get_region_cfp_table(u8 region, int *cfp_no)
-{
-	int i, end;
-
-	lbs_deb_enter(LBS_DEB_MAIN);
-
-	end = ARRAY_SIZE(region_cfp_table);
-
-	for (i = 0; i < end ; i++) {
-		lbs_deb_main("region_cfp_table[i].region=%d\n",
-			region_cfp_table[i].region);
-		if (region_cfp_table[i].region == region) {
-			*cfp_no = region_cfp_table[i].cfp_no_BG;
-			lbs_deb_leave(LBS_DEB_MAIN);
-			return region_cfp_table[i].cfp_BG;
-		}
-	}
-
-	lbs_deb_leave_args(LBS_DEB_MAIN, "ret NULL");
-	return NULL;
-}
-
-int lbs_set_regiontable(struct lbs_private *priv, u8 region, u8 band)
-{
-	int ret = 0;
-	int i = 0;
-
-	struct chan_freq_power *cfp;
-	int cfp_no;
-
-	lbs_deb_enter(LBS_DEB_MAIN);
-
-	memset(priv->region_channel, 0, sizeof(priv->region_channel));
-
-	cfp = lbs_get_region_cfp_table(region, &cfp_no);
-	if (cfp != NULL) {
-		priv->region_channel[i].nrcfp = cfp_no;
-		priv->region_channel[i].CFP = cfp;
-	} else {
-		lbs_deb_main("wrong region code %#x in band B/G\n",
-		       region);
-		ret = -1;
-		goto out;
-	}
-	priv->region_channel[i].valid = 1;
-	priv->region_channel[i].region = region;
-	priv->region_channel[i].band = band;
-	i++;
-out:
-	lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
-	return ret;
-}
-
 void lbs_queue_event(struct lbs_private *priv, u32 event)
 {
 	unsigned long flags;
diff --git a/drivers/net/wireless/libertas/scan.c b/drivers/net/wireless/libertas/scan.c
index 2700f4b455e..8273bcd216b 100644
--- a/drivers/net/wireless/libertas/scan.c
+++ b/drivers/net/wireless/libertas/scan.c
@@ -15,6 +15,7 @@
 #include "decl.h"
 #include "dev.h"
 #include "scan.h"
+#include "assoc.h"
 #include "cmd.h"
 
 //! Approximate amount of data needed to pass a scan result back to iwlist
@@ -121,6 +122,189 @@ static inline int is_same_network(struct bss_descriptor *src,
 
 
 
+/*********************************************************************/
+/*                                                                   */
+/* Region channel support                                            */
+/*                                                                   */
+/*********************************************************************/
+
+#define LBS_TX_PWR_DEFAULT		20	/*100mW */
+#define LBS_TX_PWR_US_DEFAULT		20	/*100mW */
+#define LBS_TX_PWR_JP_DEFAULT		16	/*50mW */
+#define LBS_TX_PWR_FR_DEFAULT		20	/*100mW */
+#define LBS_TX_PWR_EMEA_DEFAULT	20	/*100mW */
+
+/* Format { channel, frequency (MHz), maxtxpower } */
+/* band: 'B/G', region: USA FCC/Canada IC */
+static struct chan_freq_power channel_freq_power_US_BG[] = {
+	{1, 2412, LBS_TX_PWR_US_DEFAULT},
+	{2, 2417, LBS_TX_PWR_US_DEFAULT},
+	{3, 2422, LBS_TX_PWR_US_DEFAULT},
+	{4, 2427, LBS_TX_PWR_US_DEFAULT},
+	{5, 2432, LBS_TX_PWR_US_DEFAULT},
+	{6, 2437, LBS_TX_PWR_US_DEFAULT},
+	{7, 2442, LBS_TX_PWR_US_DEFAULT},
+	{8, 2447, LBS_TX_PWR_US_DEFAULT},
+	{9, 2452, LBS_TX_PWR_US_DEFAULT},
+	{10, 2457, LBS_TX_PWR_US_DEFAULT},
+	{11, 2462, LBS_TX_PWR_US_DEFAULT}
+};
+
+/* band: 'B/G', region: Europe ETSI */
+static struct chan_freq_power channel_freq_power_EU_BG[] = {
+	{1, 2412, LBS_TX_PWR_EMEA_DEFAULT},
+	{2, 2417, LBS_TX_PWR_EMEA_DEFAULT},
+	{3, 2422, LBS_TX_PWR_EMEA_DEFAULT},
+	{4, 2427, LBS_TX_PWR_EMEA_DEFAULT},
+	{5, 2432, LBS_TX_PWR_EMEA_DEFAULT},
+	{6, 2437, LBS_TX_PWR_EMEA_DEFAULT},
+	{7, 2442, LBS_TX_PWR_EMEA_DEFAULT},
+	{8, 2447, LBS_TX_PWR_EMEA_DEFAULT},
+	{9, 2452, LBS_TX_PWR_EMEA_DEFAULT},
+	{10, 2457, LBS_TX_PWR_EMEA_DEFAULT},
+	{11, 2462, LBS_TX_PWR_EMEA_DEFAULT},
+	{12, 2467, LBS_TX_PWR_EMEA_DEFAULT},
+	{13, 2472, LBS_TX_PWR_EMEA_DEFAULT}
+};
+
+/* band: 'B/G', region: Spain */
+static struct chan_freq_power channel_freq_power_SPN_BG[] = {
+	{10, 2457, LBS_TX_PWR_DEFAULT},
+	{11, 2462, LBS_TX_PWR_DEFAULT}
+};
+
+/* band: 'B/G', region: France */
+static struct chan_freq_power channel_freq_power_FR_BG[] = {
+	{10, 2457, LBS_TX_PWR_FR_DEFAULT},
+	{11, 2462, LBS_TX_PWR_FR_DEFAULT},
+	{12, 2467, LBS_TX_PWR_FR_DEFAULT},
+	{13, 2472, LBS_TX_PWR_FR_DEFAULT}
+};
+
+/* band: 'B/G', region: Japan */
+static struct chan_freq_power channel_freq_power_JPN_BG[] = {
+	{1, 2412, LBS_TX_PWR_JP_DEFAULT},
+	{2, 2417, LBS_TX_PWR_JP_DEFAULT},
+	{3, 2422, LBS_TX_PWR_JP_DEFAULT},
+	{4, 2427, LBS_TX_PWR_JP_DEFAULT},
+	{5, 2432, LBS_TX_PWR_JP_DEFAULT},
+	{6, 2437, LBS_TX_PWR_JP_DEFAULT},
+	{7, 2442, LBS_TX_PWR_JP_DEFAULT},
+	{8, 2447, LBS_TX_PWR_JP_DEFAULT},
+	{9, 2452, LBS_TX_PWR_JP_DEFAULT},
+	{10, 2457, LBS_TX_PWR_JP_DEFAULT},
+	{11, 2462, LBS_TX_PWR_JP_DEFAULT},
+	{12, 2467, LBS_TX_PWR_JP_DEFAULT},
+	{13, 2472, LBS_TX_PWR_JP_DEFAULT},
+	{14, 2484, LBS_TX_PWR_JP_DEFAULT}
+};
+
+/**
+ * the structure for channel, frequency and power
+ */
+struct region_cfp_table {
+	u8 region;
+	struct chan_freq_power *cfp_BG;
+	int cfp_no_BG;
+};
+
+/**
+ * the structure for the mapping between region and CFP
+ */
+static struct region_cfp_table region_cfp_table[] = {
+	{0x10,			/*US FCC */
+	 channel_freq_power_US_BG,
+	 ARRAY_SIZE(channel_freq_power_US_BG),
+	 }
+	,
+	{0x20,			/*CANADA IC */
+	 channel_freq_power_US_BG,
+	 ARRAY_SIZE(channel_freq_power_US_BG),
+	 }
+	,
+	{0x30, /*EU*/ channel_freq_power_EU_BG,
+	 ARRAY_SIZE(channel_freq_power_EU_BG),
+	 }
+	,
+	{0x31, /*SPAIN*/ channel_freq_power_SPN_BG,
+	 ARRAY_SIZE(channel_freq_power_SPN_BG),
+	 }
+	,
+	{0x32, /*FRANCE*/ channel_freq_power_FR_BG,
+	 ARRAY_SIZE(channel_freq_power_FR_BG),
+	 }
+	,
+	{0x40, /*JAPAN*/ channel_freq_power_JPN_BG,
+	 ARRAY_SIZE(channel_freq_power_JPN_BG),
+	 }
+	,
+/*Add new region here */
+};
+
+/**
+ *  @brief This function finds the CFP in
+ *  region_cfp_table based on region and band parameter.
+ *
+ *  @param region  The region code
+ *  @param band	   The band
+ *  @param cfp_no  A pointer to CFP number
+ *  @return 	   A pointer to CFP
+ */
+static struct chan_freq_power *lbs_get_region_cfp_table(u8 region, int *cfp_no)
+{
+	int i, end;
+
+	lbs_deb_enter(LBS_DEB_MAIN);
+
+	end = ARRAY_SIZE(region_cfp_table);
+
+	for (i = 0; i < end ; i++) {
+		lbs_deb_main("region_cfp_table[i].region=%d\n",
+			region_cfp_table[i].region);
+		if (region_cfp_table[i].region == region) {
+			*cfp_no = region_cfp_table[i].cfp_no_BG;
+			lbs_deb_leave(LBS_DEB_MAIN);
+			return region_cfp_table[i].cfp_BG;
+		}
+	}
+
+	lbs_deb_leave_args(LBS_DEB_MAIN, "ret NULL");
+	return NULL;
+}
+
+int lbs_set_regiontable(struct lbs_private *priv, u8 region, u8 band)
+{
+	int ret = 0;
+	int i = 0;
+
+	struct chan_freq_power *cfp;
+	int cfp_no;
+
+	lbs_deb_enter(LBS_DEB_MAIN);
+
+	memset(priv->region_channel, 0, sizeof(priv->region_channel));
+
+	cfp = lbs_get_region_cfp_table(region, &cfp_no);
+	if (cfp != NULL) {
+		priv->region_channel[i].nrcfp = cfp_no;
+		priv->region_channel[i].CFP = cfp;
+	} else {
+		lbs_deb_main("wrong region code %#x in band B/G\n",
+		       region);
+		ret = -1;
+		goto out;
+	}
+	priv->region_channel[i].valid = 1;
+	priv->region_channel[i].region = region;
+	priv->region_channel[i].band = band;
+	i++;
+out:
+	lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
+	return ret;
+}
+
+
+
 
 /*********************************************************************/
 /*                                                                   */
diff --git a/drivers/net/wireless/libertas/scan.h b/drivers/net/wireless/libertas/scan.h
index fab7d5d097f..8fb1706d752 100644
--- a/drivers/net/wireless/libertas/scan.h
+++ b/drivers/net/wireless/libertas/scan.h
@@ -9,8 +9,36 @@
 
 #include <net/iw_handler.h>
 
+struct lbs_private;
+
 #define MAX_NETWORK_COUNT 128
 
+/** Chan-freq-TxPower mapping table*/
+struct chan_freq_power {
+	/** channel Number		*/
+	u16 channel;
+	/** frequency of this channel	*/
+	u32 freq;
+	/** Max allowed Tx power level	*/
+	u16 maxtxpower;
+	/** TRUE:channel unsupported;  FLASE:supported*/
+	u8 unsupported;
+};
+
+/** region-band mapping table*/
+struct region_channel {
+	/** TRUE if this entry is valid		     */
+	u8 valid;
+	/** region code for US, Japan ...	     */
+	u8 region;
+	/** band B/G/A, used for BAND_CONFIG cmd	     */
+	u8 band;
+	/** Actual No. of elements in the array below */
+	u8 nrcfp;
+	/** chan-freq-txpower mapping table*/
+	struct chan_freq_power *CFP;
+};
+
 /**
  *  @brief Maximum number of channels that can be sent in a setuserscan ioctl
  */
@@ -18,6 +46,8 @@
 
 int lbs_ssid_cmp(u8 *ssid1, u8 ssid1_len, u8 *ssid2, u8 ssid2_len);
 
+int lbs_set_regiontable(struct lbs_private *priv, u8 region, u8 band);
+
 int lbs_send_specific_ssid_scan(struct lbs_private *priv, u8 *ssid,
 				u8 ssid_len);
 
-- 
GitLab


From 5e047692245c7b8d338ddeece156721d594ca985 Mon Sep 17 00:00:00 2001
From: Holger Schurig <hs4233@mail.mn-solutions.de>
Date: Thu, 22 Oct 2009 15:30:49 +0200
Subject: [PATCH 0582/1815] libertas: sort variables in struct lbs_private

Having the variables in logical groups allows us to easier
#ifdef stuff out.

No functional change.

Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/dev.h | 257 +++++++++++-----------------
 1 file changed, 104 insertions(+), 153 deletions(-)

diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
index cc245820d3f..27f0f1f2a58 100644
--- a/drivers/net/wireless/libertas/dev.h
+++ b/drivers/net/wireless/libertas/dev.h
@@ -35,113 +35,96 @@ struct lbs_mesh_stats {
 
 /** Private structure for the MV device */
 struct lbs_private {
+
+	/* Basic networking */
+	struct net_device *dev;
+	u32 connect_status;
+	int infra_open;
+	struct work_struct mcast_work;
+	u32 nr_of_multicastmacaddr;
+	u8 multicastlist[MRVDRV_MAX_MULTICAST_LIST_SIZE][ETH_ALEN];
+
+	/* CFG80211 */
 	struct wireless_dev *wdev;
+
+	/* Mesh */
+	struct net_device *mesh_dev; /* Virtual device */
+	u32 mesh_connect_status;
+	struct lbs_mesh_stats mstats;
 	int mesh_open;
 	int mesh_fw_ver;
-	int infra_open;
 	int mesh_autostart_enabled;
+	uint16_t mesh_tlv;
+	u8 mesh_ssid[IEEE80211_MAX_SSID_LEN + 1];
+	u8 mesh_ssid_len;
+	struct work_struct sync_channel;
 
-	char name[DEV_NAME_LEN];
-
-	void *card;
-	struct net_device *dev;
-
-	struct net_device *mesh_dev; /* Virtual device */
+	/* Monitor mode */
 	struct net_device *rtap_net_dev;
+	u32 monitormode;
 
-	struct iw_statistics wstats;
-	struct lbs_mesh_stats mstats;
+	/* Debugfs */
 	struct dentry *debugfs_dir;
 	struct dentry *debugfs_debug;
 	struct dentry *debugfs_files[6];
-
 	struct dentry *events_dir;
 	struct dentry *debugfs_events_files[6];
-
 	struct dentry *regs_dir;
 	struct dentry *debugfs_regs_files[6];
 
+	/* Hardware debugging */
 	u32 mac_offset;
 	u32 bbp_offset;
 	u32 rf_offset;
+	struct lbs_offset_value offsetvalue;
+
+	/* Power management */
+	u16 psmode;
+	u32 psstate;
+	u8 needtowakeup;
 
-	/** Deep sleep flag */
+	/* Deep sleep */
 	int is_deep_sleep;
-	/** Auto deep sleep enabled flag */
 	int is_auto_deep_sleep_enabled;
-	/** Device wakeup required flag */
 	int wakeup_dev_required;
-	/** Auto deep sleep flag*/
 	int is_activity_detected;
-	/** Auto deep sleep timeout (in miliseconds) */
-	int auto_deep_sleep_timeout;
-
-	/** Deep sleep wait queue */
-	wait_queue_head_t       ds_awake_q;
-
-	/* Download sent:
-	   bit0 1/0=data_sent/data_tx_done,
-	   bit1 1/0=cmd_sent/cmd_tx_done,
-	   all other bits reserved 0 */
-	u8 dnld_sent;
-
-	/** thread to service interrupts */
-	struct task_struct *main_thread;
-	wait_queue_head_t waitq;
-	struct workqueue_struct *work_thread;
-
-	struct work_struct mcast_work;
-
-	/** Scanning */
-	struct delayed_work scan_work;
-	struct delayed_work assoc_work;
-	struct work_struct sync_channel;
-	/* remember which channel was scanned last, != 0 if currently scanning */
-	int scan_channel;
-	u8 scan_ssid[IEEE80211_MAX_SSID_LEN + 1];
-	u8 scan_ssid_len;
+	int auto_deep_sleep_timeout; /* in ms */
+	wait_queue_head_t ds_awake_q;
+	struct timer_list auto_deepsleep_timer;
 
-	/** Hardware access */
+	/* Hardware access */
+	void *card;
+	u8 fw_ready;
+	u8 surpriseremoved;
 	int (*hw_host_to_card) (struct lbs_private *priv, u8 type, u8 *payload, u16 nb);
 	void (*reset_card) (struct lbs_private *priv);
 	int (*enter_deep_sleep) (struct lbs_private *priv);
 	int (*exit_deep_sleep) (struct lbs_private *priv);
 	int (*reset_deep_sleep_wakeup) (struct lbs_private *priv);
 
-	/* Wake On LAN */
-	uint32_t wol_criteria;
-	uint8_t wol_gpio;
-	uint8_t wol_gap;
-
-	/** Wlan adapter data structure*/
-	/** STATUS variables */
+	/* Adapter info (from EEPROM) */
 	u32 fwrelease;
 	u32 fwcapinfo;
+	u16 regioncode;
+	u8 current_addr[ETH_ALEN];
 
-	struct mutex lock;
-
-	/* TX packet ready to be sent... */
-	int tx_pending_len;		/* -1 while building packet */
-
-	u8 tx_pending_buf[LBS_UPLD_SIZE];
-	/* protected by hard_start_xmit serialization */
-
-	/** command-related variables */
+	/* Command download */
+	u8 dnld_sent;
+	/* bit0 1/0=data_sent/data_tx_done,
+	   bit1 1/0=cmd_sent/cmd_tx_done,
+	   all other bits reserved 0 */
 	u16 seqnum;
-
 	struct cmd_ctrl_node *cmd_array;
-	/** Current command */
 	struct cmd_ctrl_node *cur_cmd;
-	int cur_cmd_retcode;
-	/** command Queues */
-	/** Free command buffers */
-	struct list_head cmdfreeq;
-	/** Pending command buffers */
-	struct list_head cmdpendingq;
-
+	struct list_head cmdfreeq;    /* free command buffers */
+	struct list_head cmdpendingq; /* pending command buffers */
 	wait_queue_head_t cmd_pending;
+	struct timer_list command_timer;
+	int nr_retries;
+	int cmd_timed_out;
 
 	/* Command responses sent from the hardware to the driver */
+	int cur_cmd_retcode;
 	u8 resp_idx;
 	u8 resp_buf[2][LBS_UPLD_SIZE];
 	u32 resp_len[2];
@@ -149,90 +132,75 @@ struct lbs_private {
 	/* Events sent from hardware to driver */
 	struct kfifo *event_fifo;
 
-	/* nickname */
-	u8 nodename[16];
-
-	/** spin locks */
-	spinlock_t driver_lock;
-
-	/** Timers */
-	struct timer_list command_timer;
-	struct timer_list auto_deepsleep_timer;
-	int nr_retries;
-	int cmd_timed_out;
-
-	/** current ssid/bssid related parameters*/
-	struct current_bss_params curbssparams;
-
-	uint16_t mesh_tlv;
-	u8 mesh_ssid[IEEE80211_MAX_SSID_LEN + 1];
-	u8 mesh_ssid_len;
-
-	/* IW_MODE_* */
-	u8 mode;
-
-	/* Scan results list */
-	struct list_head network_list;
-	struct list_head network_free_list;
-	struct bss_descriptor *networks;
-
-	u16 beacon_period;
-	u8 beacon_enable;
-	u8 adhoccreate;
-
-	/** capability Info used in Association, start, join */
-	u16 capability;
-
-	/** MAC address information */
-	u8 current_addr[ETH_ALEN];
-	u8 multicastlist[MRVDRV_MAX_MULTICAST_LIST_SIZE][ETH_ALEN];
-	u32 nr_of_multicastmacaddr;
+	/** thread to service interrupts */
+	struct task_struct *main_thread;
+	wait_queue_head_t waitq;
+	struct workqueue_struct *work_thread;
 
-	/** 802.11 statistics */
-//	struct cmd_DS_802_11_GET_STAT wlan802_11Stat;
+	/** Encryption stuff */
+	struct lbs_802_11_security secinfo;
+	struct enc_key wpa_mcast_key;
+	struct enc_key wpa_unicast_key;
+	u8 wpa_ie[MAX_WPA_IE_LEN];
+	u8 wpa_ie_len;
+	u16 wep_tx_keyidx;
+	struct enc_key wep_keys[4];
 
-	uint16_t enablehwauto;
-	uint16_t ratebitmap;
+	/* Wake On LAN */
+	uint32_t wol_criteria;
+	uint8_t wol_gpio;
+	uint8_t wol_gap;
 
+	/* Transmitting */
+	int tx_pending_len;		/* -1 while building packet */
+	u8 tx_pending_buf[LBS_UPLD_SIZE];
+	/* protected by hard_start_xmit serialization */
 	u8 txretrycount;
-
-	/** Tx-related variables (for single packet tx) */
 	struct sk_buff *currenttxskb;
 
-	/** NIC Operation characteristics */
+	/* Locks */
+	struct mutex lock;
+	spinlock_t driver_lock;
+
+	/* NIC/link operation characteristics */
 	u16 mac_control;
-	u32 connect_status;
-	u32 mesh_connect_status;
-	u16 regioncode;
+	u8 radio_on;
 	s16 txpower_cur;
 	s16 txpower_min;
 	s16 txpower_max;
 
-	/** POWER MANAGEMENT AND PnP SUPPORT */
-	u8 surpriseremoved;
-
-	u16 psmode;		/* Wlan802_11PowermodeCAM=disable
-				   Wlan802_11PowermodeMAX_PSP=enable */
-	u32 psstate;
-	u8 needtowakeup;
+	/** Scanning */
+	struct delayed_work scan_work;
+	int scan_channel;
+	/* remember which channel was scanned last, != 0 if currently scanning */
+	u8 scan_ssid[IEEE80211_MAX_SSID_LEN + 1];
+	u8 scan_ssid_len;
 
+	/* Associating */
+	struct delayed_work assoc_work;
+	struct current_bss_params curbssparams;
+	u8 mode;
+	struct list_head network_list;
+	struct list_head network_free_list;
+	struct bss_descriptor *networks;
 	struct assoc_request * pending_assoc_req;
 	struct assoc_request * in_progress_assoc_req;
+	u16 capability;
+	uint16_t enablehwauto;
+	uint16_t ratebitmap;
 
-	/** Encryption parameter */
-	struct lbs_802_11_security secinfo;
-
-	/** WEP keys */
-	struct enc_key wep_keys[4];
-	u16 wep_tx_keyidx;
-
-	/** WPA keys */
-	struct enc_key wpa_mcast_key;
-	struct enc_key wpa_unicast_key;
+	/* ADHOC */
+	u16 beacon_period;
+	u8 beacon_enable;
+	u8 adhoccreate;
 
-	/** WPA Information Elements*/
-	u8 wpa_ie[MAX_WPA_IE_LEN];
-	u8 wpa_ie_len;
+	/* WEXT */
+	char name[DEV_NAME_LEN];
+	u8 nodename[16];
+	struct iw_statistics wstats;
+	u8 cur_rate;
+#define	MAX_REGION_CHANNEL_NUM	2
+	struct region_channel region_channel[MAX_REGION_CHANNEL_NUM];
 
 	/** Requested Signal Strength*/
 	u16 SNR[MAX_TYPE_B][MAX_TYPE_AVG];
@@ -242,23 +210,6 @@ struct lbs_private {
 	u8 rawNF[DEFAULT_DATA_AVG_FACTOR];
 	u16 nextSNRNF;
 	u16 numSNRNF;
-
-	u8 radio_on;
-
-	/** data rate stuff */
-	u8 cur_rate;
-
-	/** RF calibration data */
-
-#define	MAX_REGION_CHANNEL_NUM	2
-	/** region channel data */
-	struct region_channel region_channel[MAX_REGION_CHANNEL_NUM];
-
-	/**	MISCELLANEOUS */
-	struct lbs_offset_value offsetvalue;
-
-	u32 monitormode;
-	u8 fw_ready;
 };
 
 extern struct cmd_confirm_sleep confirm_sleep;
-- 
GitLab


From c14951fec6c292dca60e3cf8ab0edfdf11e6c0e2 Mon Sep 17 00:00:00 2001
From: Holger Schurig <hs4233@mail.mn-solutions.de>
Date: Thu, 22 Oct 2009 15:30:50 +0200
Subject: [PATCH 0583/1815] libertas: get current channel out of
 priv->curbssparams

... as priv->curbssparams won't exist once libertas+cfg80211 lands.

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/assoc.c | 18 +++++++++---------
 drivers/net/wireless/libertas/assoc.h |  3 +--
 drivers/net/wireless/libertas/cmd.c   |  8 ++++----
 drivers/net/wireless/libertas/dev.h   |  1 +
 drivers/net/wireless/libertas/main.c  | 10 +++++-----
 drivers/net/wireless/libertas/wext.c  | 10 +++++-----
 6 files changed, 25 insertions(+), 25 deletions(-)

diff --git a/drivers/net/wireless/libertas/assoc.c b/drivers/net/wireless/libertas/assoc.c
index 2ccfeca32cd..b8bdba67ad1 100644
--- a/drivers/net/wireless/libertas/assoc.c
+++ b/drivers/net/wireless/libertas/assoc.c
@@ -376,7 +376,7 @@ static int lbs_associate(struct lbs_private *priv,
 				   (u16)(pos - (u8 *) &cmd.iebuf));
 
 	/* update curbssparams */
-	priv->curbssparams.channel = bss->phy.ds.channel;
+	priv->channel = bss->phy.ds.channel;
 
 	ret = lbs_cmd_with_response(priv, command, &cmd);
 	if (ret == 0) {
@@ -489,7 +489,7 @@ static int lbs_adhoc_post(struct lbs_private *priv,
 	lbs_deb_join("ADHOC_RESP: Joined/started '%s', BSSID %pM, channel %d\n",
 		     print_ssid(ssid, bss->ssid, bss->ssid_len),
 		     priv->curbssparams.bssid,
-		     priv->curbssparams.channel);
+		     priv->channel);
 
 done:
 	lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
@@ -562,7 +562,7 @@ static int lbs_adhoc_join(struct lbs_private *priv,
 	lbs_deb_join("AdhocJoin: band = %c\n", assoc_req->band);
 
 	priv->adhoccreate = 0;
-	priv->curbssparams.channel = bss->channel;
+	priv->channel = bss->channel;
 
 	/* Build the join command */
 	memset(&cmd, 0, sizeof(cmd));
@@ -1196,7 +1196,7 @@ static int assoc_helper_channel(struct lbs_private *priv,
 		goto done;
 	}
 
-	if (assoc_req->channel == priv->curbssparams.channel)
+	if (assoc_req->channel == priv->channel)
 		goto done;
 
 	if (priv->mesh_dev) {
@@ -1208,7 +1208,7 @@ static int assoc_helper_channel(struct lbs_private *priv,
 	}
 
 	lbs_deb_assoc("ASSOC: channel: %d -> %d\n",
-		      priv->curbssparams.channel, assoc_req->channel);
+		      priv->channel, assoc_req->channel);
 
 	ret = lbs_set_channel(priv, assoc_req->channel);
 	if (ret < 0)
@@ -1223,7 +1223,7 @@ static int assoc_helper_channel(struct lbs_private *priv,
 		goto done;
 	}
 
-	if (assoc_req->channel != priv->curbssparams.channel) {
+	if (assoc_req->channel != priv->channel) {
 		lbs_deb_assoc("ASSOC: channel: failed to update channel to %d\n",
 		              assoc_req->channel);
 		goto restore_mesh;
@@ -1244,7 +1244,7 @@ static int assoc_helper_channel(struct lbs_private *priv,
  restore_mesh:
 	if (priv->mesh_dev)
 		lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
-				priv->curbssparams.channel);
+				priv->channel);
 
  done:
 	lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
@@ -1466,7 +1466,7 @@ static int should_stop_adhoc(struct lbs_private *priv,
 	}
 
 	if (test_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags)) {
-		if (assoc_req->channel != priv->curbssparams.channel)
+		if (assoc_req->channel != priv->channel)
 			return 1;
 	}
 
@@ -1771,7 +1771,7 @@ struct assoc_request *lbs_get_association_request(struct lbs_private *priv)
 	}
 
 	if (!test_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags))
-		assoc_req->channel = priv->curbssparams.channel;
+		assoc_req->channel = priv->channel;
 
 	if (!test_bit(ASSOC_FLAG_BAND, &assoc_req->flags))
 		assoc_req->band = priv->curbssparams.band;
diff --git a/drivers/net/wireless/libertas/assoc.h b/drivers/net/wireless/libertas/assoc.h
index 610d14c14cd..d8c266895dd 100644
--- a/drivers/net/wireless/libertas/assoc.h
+++ b/drivers/net/wireless/libertas/assoc.h
@@ -36,8 +36,7 @@ struct current_bss_params {
 
 	/** band */
 	u8 band;
-	/** channel */
-	u8 channel;
+	/** channel is directly in priv->channel */
 	/** zero-terminated array of supported data rates */
 	u8 rates[MAX_RATES + 1];
 };
diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index ec65be0c4d9..076cf7e625f 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -880,7 +880,7 @@ int lbs_update_channel(struct lbs_private *priv)
 
 	ret = lbs_get_channel(priv);
 	if (ret > 0) {
-		priv->curbssparams.channel = ret;
+		priv->channel = ret;
 		ret = 0;
 	}
 	lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
@@ -899,7 +899,7 @@ int lbs_set_channel(struct lbs_private *priv, u8 channel)
 {
 	struct cmd_ds_802_11_rf_channel cmd;
 #ifdef DEBUG
-	u8 old_channel = priv->curbssparams.channel;
+	u8 old_channel = priv->channel;
 #endif
 	int ret = 0;
 
@@ -914,9 +914,9 @@ int lbs_set_channel(struct lbs_private *priv, u8 channel)
 	if (ret)
 		goto out;
 
-	priv->curbssparams.channel = (uint8_t) le16_to_cpu(cmd.channel);
+	priv->channel = (uint8_t) le16_to_cpu(cmd.channel);
 	lbs_deb_cmd("channel switch from %d to %d\n", old_channel,
-		priv->curbssparams.channel);
+		priv->channel);
 
 out:
 	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
index 27f0f1f2a58..1a675111300 100644
--- a/drivers/net/wireless/libertas/dev.h
+++ b/drivers/net/wireless/libertas/dev.h
@@ -165,6 +165,7 @@ struct lbs_private {
 	/* NIC/link operation characteristics */
 	u16 mac_control;
 	u8 radio_on;
+	u8 channel;
 	s16 txpower_cur;
 	s16 txpower_min;
 	s16 txpower_max;
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index ee089333455..eb61f6955e9 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -285,7 +285,7 @@ static ssize_t lbs_mesh_set(struct device *dev,
 		return count;
 	if (enable)
 		action = CMD_ACT_MESH_CONFIG_START;
-	ret = lbs_mesh_config(priv, action, priv->curbssparams.channel);
+	ret = lbs_mesh_config(priv, action, priv->channel);
 	if (ret)
 		return ret;
 
@@ -1046,7 +1046,7 @@ static int lbs_init_adapter(struct lbs_private *priv)
 	priv->mesh_connect_status = LBS_DISCONNECTED;
 	priv->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
 	priv->mode = IW_MODE_INFRA;
-	priv->curbssparams.channel = DEFAULT_AD_HOC_CHANNEL;
+	priv->channel = DEFAULT_AD_HOC_CHANNEL;
 	priv->mac_control = CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON;
 	priv->radio_on = 1;
 	priv->enablehwauto = 1;
@@ -1314,10 +1314,10 @@ int lbs_start_card(struct lbs_private *priv)
 
 		priv->mesh_tlv = TLV_TYPE_OLD_MESH_ID;
 		if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
-				    priv->curbssparams.channel)) {
+				    priv->channel)) {
 			priv->mesh_tlv = TLV_TYPE_MESH_ID;
 			if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
-					    priv->curbssparams.channel))
+					    priv->channel))
 				priv->mesh_tlv = 0;
 		}
 	} else if (priv->mesh_fw_ver == MESH_FW_NEW) {
@@ -1326,7 +1326,7 @@ int lbs_start_card(struct lbs_private *priv)
 		 */
 		priv->mesh_tlv = TLV_TYPE_MESH_ID;
 		if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
-				    priv->curbssparams.channel))
+				    priv->channel))
 			priv->mesh_tlv = 0;
 	}
 	if (priv->mesh_tlv) {
diff --git a/drivers/net/wireless/libertas/wext.c b/drivers/net/wireless/libertas/wext.c
index 3e8be9a578e..c688ca7ab32 100644
--- a/drivers/net/wireless/libertas/wext.c
+++ b/drivers/net/wireless/libertas/wext.c
@@ -164,12 +164,12 @@ static int lbs_get_freq(struct net_device *dev, struct iw_request_info *info,
 	lbs_deb_enter(LBS_DEB_WEXT);
 
 	cfp = lbs_find_cfp_by_band_and_channel(priv, 0,
-					   priv->curbssparams.channel);
+					   priv->channel);
 
 	if (!cfp) {
-		if (priv->curbssparams.channel)
+		if (priv->channel)
 			lbs_deb_wext("invalid channel %d\n",
-			       priv->curbssparams.channel);
+			       priv->channel);
 		return -EINVAL;
 	}
 
@@ -986,7 +986,7 @@ static int lbs_mesh_set_freq(struct net_device *dev,
 		goto out;
 	}
 
-	if (fwrq->m != priv->curbssparams.channel) {
+	if (fwrq->m != priv->channel) {
 		lbs_deb_wext("mesh channel change forces eth disconnect\n");
 		if (priv->mode == IW_MODE_INFRA)
 			lbs_cmd_80211_deauthenticate(priv,
@@ -2100,7 +2100,7 @@ static int lbs_mesh_set_essid(struct net_device *dev,
 	}
 
 	lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
-			priv->curbssparams.channel);
+			priv->channel);
  out:
 	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
 	return ret;
-- 
GitLab


From d0de37417e51219d7d56a452d18fa7b829342fcc Mon Sep 17 00:00:00 2001
From: Holger Schurig <hs4233@mail.mn-solutions.de>
Date: Thu, 22 Oct 2009 15:30:51 +0200
Subject: [PATCH 0584/1815] libertas: move association related commands into
 assoc.c

That's because the new cfg80211 implementation will provide cleaner
implementations.

No functional changes.

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/assoc.c   | 390 ++++++++++++++++++++++++
 drivers/net/wireless/libertas/assoc.h   |  20 ++
 drivers/net/wireless/libertas/cmd.c     | 340 ---------------------
 drivers/net/wireless/libertas/cmd.h     |   9 -
 drivers/net/wireless/libertas/cmdresp.c |  47 ---
 5 files changed, 410 insertions(+), 396 deletions(-)

diff --git a/drivers/net/wireless/libertas/assoc.c b/drivers/net/wireless/libertas/assoc.c
index b8bdba67ad1..17e76ac4179 100644
--- a/drivers/net/wireless/libertas/assoc.c
+++ b/drivers/net/wireless/libertas/assoc.c
@@ -154,6 +154,396 @@ static int lbs_set_authentication(struct lbs_private *priv, u8 bssid[6], u8 auth
 }
 
 
+int lbs_cmd_802_11_set_wep(struct lbs_private *priv, uint16_t cmd_action,
+			   struct assoc_request *assoc)
+{
+	struct cmd_ds_802_11_set_wep cmd;
+	int ret = 0;
+
+	lbs_deb_enter(LBS_DEB_CMD);
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.hdr.command = cpu_to_le16(CMD_802_11_SET_WEP);
+	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+
+	cmd.action = cpu_to_le16(cmd_action);
+
+	if (cmd_action == CMD_ACT_ADD) {
+		int i;
+
+		/* default tx key index */
+		cmd.keyindex = cpu_to_le16(assoc->wep_tx_keyidx &
+					   CMD_WEP_KEY_INDEX_MASK);
+
+		/* Copy key types and material to host command structure */
+		for (i = 0; i < 4; i++) {
+			struct enc_key *pkey = &assoc->wep_keys[i];
+
+			switch (pkey->len) {
+			case KEY_LEN_WEP_40:
+				cmd.keytype[i] = CMD_TYPE_WEP_40_BIT;
+				memmove(cmd.keymaterial[i], pkey->key, pkey->len);
+				lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i);
+				break;
+			case KEY_LEN_WEP_104:
+				cmd.keytype[i] = CMD_TYPE_WEP_104_BIT;
+				memmove(cmd.keymaterial[i], pkey->key, pkey->len);
+				lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i);
+				break;
+			case 0:
+				break;
+			default:
+				lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
+					    i, pkey->len);
+				ret = -1;
+				goto done;
+				break;
+			}
+		}
+	} else if (cmd_action == CMD_ACT_REMOVE) {
+		/* ACT_REMOVE clears _all_ WEP keys */
+
+		/* default tx key index */
+		cmd.keyindex = cpu_to_le16(priv->wep_tx_keyidx &
+					   CMD_WEP_KEY_INDEX_MASK);
+		lbs_deb_cmd("SET_WEP: remove key %d\n", priv->wep_tx_keyidx);
+	}
+
+	ret = lbs_cmd_with_response(priv, CMD_802_11_SET_WEP, &cmd);
+done:
+	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+	return ret;
+}
+
+int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv, uint16_t cmd_action,
+			      uint16_t *enable)
+{
+	struct cmd_ds_802_11_enable_rsn cmd;
+	int ret;
+
+	lbs_deb_enter(LBS_DEB_CMD);
+
+	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+	cmd.action = cpu_to_le16(cmd_action);
+
+	if (cmd_action == CMD_ACT_GET)
+		cmd.enable = 0;
+	else {
+		if (*enable)
+			cmd.enable = cpu_to_le16(CMD_ENABLE_RSN);
+		else
+			cmd.enable = cpu_to_le16(CMD_DISABLE_RSN);
+		lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
+	}
+
+	ret = lbs_cmd_with_response(priv, CMD_802_11_ENABLE_RSN, &cmd);
+	if (!ret && cmd_action == CMD_ACT_GET)
+		*enable = le16_to_cpu(cmd.enable);
+
+	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+	return ret;
+}
+
+static void set_one_wpa_key(struct MrvlIEtype_keyParamSet *keyparam,
+		struct enc_key *key)
+{
+	lbs_deb_enter(LBS_DEB_CMD);
+
+	if (key->flags & KEY_INFO_WPA_ENABLED)
+		keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED);
+	if (key->flags & KEY_INFO_WPA_UNICAST)
+		keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
+	if (key->flags & KEY_INFO_WPA_MCAST)
+		keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
+
+	keyparam->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
+	keyparam->keytypeid = cpu_to_le16(key->type);
+	keyparam->keylen = cpu_to_le16(key->len);
+	memcpy(keyparam->key, key->key, key->len);
+
+	/* Length field doesn't include the {type,length} header */
+	keyparam->length = cpu_to_le16(sizeof(*keyparam) - 4);
+	lbs_deb_leave(LBS_DEB_CMD);
+}
+
+int lbs_cmd_802_11_key_material(struct lbs_private *priv, uint16_t cmd_action,
+				struct assoc_request *assoc)
+{
+	struct cmd_ds_802_11_key_material cmd;
+	int ret = 0;
+	int index = 0;
+
+	lbs_deb_enter(LBS_DEB_CMD);
+
+	cmd.action = cpu_to_le16(cmd_action);
+	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+
+	if (cmd_action == CMD_ACT_GET) {
+		cmd.hdr.size = cpu_to_le16(S_DS_GEN + 2);
+	} else {
+		memset(cmd.keyParamSet, 0, sizeof(cmd.keyParamSet));
+
+		if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc->flags)) {
+			set_one_wpa_key(&cmd.keyParamSet[index],
+					&assoc->wpa_unicast_key);
+			index++;
+		}
+
+		if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc->flags)) {
+			set_one_wpa_key(&cmd.keyParamSet[index],
+					&assoc->wpa_mcast_key);
+			index++;
+		}
+
+		/* The common header and as many keys as we included */
+		cmd.hdr.size = cpu_to_le16(offsetof(typeof(cmd),
+						    keyParamSet[index]));
+	}
+	ret = lbs_cmd_with_response(priv, CMD_802_11_KEY_MATERIAL, &cmd);
+	/* Copy the returned key to driver private data */
+	if (!ret && cmd_action == CMD_ACT_GET) {
+		void *buf_ptr = cmd.keyParamSet;
+		void *resp_end = &(&cmd)[1];
+
+		while (buf_ptr < resp_end) {
+			struct MrvlIEtype_keyParamSet *keyparam = buf_ptr;
+			struct enc_key *key;
+			uint16_t param_set_len = le16_to_cpu(keyparam->length);
+			uint16_t key_len = le16_to_cpu(keyparam->keylen);
+			uint16_t key_flags = le16_to_cpu(keyparam->keyinfo);
+			uint16_t key_type = le16_to_cpu(keyparam->keytypeid);
+			void *end;
+
+			end = (void *)keyparam + sizeof(keyparam->type)
+				+ sizeof(keyparam->length) + param_set_len;
+
+			/* Make sure we don't access past the end of the IEs */
+			if (end > resp_end)
+				break;
+
+			if (key_flags & KEY_INFO_WPA_UNICAST)
+				key = &priv->wpa_unicast_key;
+			else if (key_flags & KEY_INFO_WPA_MCAST)
+				key = &priv->wpa_mcast_key;
+			else
+				break;
+
+			/* Copy returned key into driver */
+			memset(key, 0, sizeof(struct enc_key));
+			if (key_len > sizeof(key->key))
+				break;
+			key->type = key_type;
+			key->flags = key_flags;
+			key->len = key_len;
+			memcpy(key->key, keyparam->key, key->len);
+
+			buf_ptr = end + 1;
+		}
+	}
+
+	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+	return ret;
+}
+
+static __le16 lbs_rate_to_fw_bitmap(int rate, int lower_rates_ok)
+{
+/*		Bit  	Rate
+*		15:13 Reserved
+*		12    54 Mbps
+*		11    48 Mbps
+*		10    36 Mbps
+*		9     24 Mbps
+*		8     18 Mbps
+*		7     12 Mbps
+*		6     9 Mbps
+*		5     6 Mbps
+*		4     Reserved
+*		3     11 Mbps
+*		2     5.5 Mbps
+*		1     2 Mbps
+*		0     1 Mbps
+**/
+
+	uint16_t ratemask;
+	int i = lbs_data_rate_to_fw_index(rate);
+	if (lower_rates_ok)
+		ratemask = (0x1fef >> (12 - i));
+	else
+		ratemask = (1 << i);
+	return cpu_to_le16(ratemask);
+}
+
+int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
+				      uint16_t cmd_action)
+{
+	struct cmd_ds_802_11_rate_adapt_rateset cmd;
+	int ret;
+
+	lbs_deb_enter(LBS_DEB_CMD);
+
+	if (!priv->cur_rate && !priv->enablehwauto)
+		return -EINVAL;
+
+	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+
+	cmd.action = cpu_to_le16(cmd_action);
+	cmd.enablehwauto = cpu_to_le16(priv->enablehwauto);
+	cmd.bitmap = lbs_rate_to_fw_bitmap(priv->cur_rate, priv->enablehwauto);
+	ret = lbs_cmd_with_response(priv, CMD_802_11_RATE_ADAPT_RATESET, &cmd);
+	if (!ret && cmd_action == CMD_ACT_GET) {
+		priv->ratebitmap = le16_to_cpu(cmd.bitmap);
+		priv->enablehwauto = le16_to_cpu(cmd.enablehwauto);
+	}
+
+	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+	return ret;
+}
+
+/**
+ *  @brief Set the data rate
+ *
+ *  @param priv    	A pointer to struct lbs_private structure
+ *  @param rate  	The desired data rate, or 0 to clear a locked rate
+ *
+ *  @return 	   	0 on success, error on failure
+ */
+int lbs_set_data_rate(struct lbs_private *priv, u8 rate)
+{
+	struct cmd_ds_802_11_data_rate cmd;
+	int ret = 0;
+
+	lbs_deb_enter(LBS_DEB_CMD);
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+
+	if (rate > 0) {
+		cmd.action = cpu_to_le16(CMD_ACT_SET_TX_FIX_RATE);
+		cmd.rates[0] = lbs_data_rate_to_fw_index(rate);
+		if (cmd.rates[0] == 0) {
+			lbs_deb_cmd("DATA_RATE: invalid requested rate of"
+				" 0x%02X\n", rate);
+			ret = 0;
+			goto out;
+		}
+		lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", cmd.rates[0]);
+	} else {
+		cmd.action = cpu_to_le16(CMD_ACT_SET_TX_AUTO);
+		lbs_deb_cmd("DATA_RATE: setting auto\n");
+	}
+
+	ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
+	if (ret)
+		goto out;
+
+	lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof(cmd));
+
+	/* FIXME: get actual rates FW can do if this command actually returns
+	 * all data rates supported.
+	 */
+	priv->cur_rate = lbs_fw_index_to_data_rate(cmd.rates[0]);
+	lbs_deb_cmd("DATA_RATE: current rate is 0x%02x\n", priv->cur_rate);
+
+out:
+	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+	return ret;
+}
+
+
+int lbs_cmd_802_11_rssi(struct lbs_private *priv,
+				struct cmd_ds_command *cmd)
+{
+
+	lbs_deb_enter(LBS_DEB_CMD);
+	cmd->command = cpu_to_le16(CMD_802_11_RSSI);
+	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
+	cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
+
+	/* reset Beacon SNR/NF/RSSI values */
+	priv->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
+	priv->SNR[TYPE_BEACON][TYPE_AVG] = 0;
+	priv->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
+	priv->NF[TYPE_BEACON][TYPE_AVG] = 0;
+	priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
+	priv->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
+
+	lbs_deb_leave(LBS_DEB_CMD);
+	return 0;
+}
+
+int lbs_ret_802_11_rssi(struct lbs_private *priv,
+				struct cmd_ds_command *resp)
+{
+	struct cmd_ds_802_11_rssi_rsp *rssirsp = &resp->params.rssirsp;
+
+	lbs_deb_enter(LBS_DEB_CMD);
+
+	/* store the non average value */
+	priv->SNR[TYPE_BEACON][TYPE_NOAVG] = get_unaligned_le16(&rssirsp->SNR);
+	priv->NF[TYPE_BEACON][TYPE_NOAVG] =
+		get_unaligned_le16(&rssirsp->noisefloor);
+
+	priv->SNR[TYPE_BEACON][TYPE_AVG] = get_unaligned_le16(&rssirsp->avgSNR);
+	priv->NF[TYPE_BEACON][TYPE_AVG] =
+		get_unaligned_le16(&rssirsp->avgnoisefloor);
+
+	priv->RSSI[TYPE_BEACON][TYPE_NOAVG] =
+	    CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_NOAVG],
+		     priv->NF[TYPE_BEACON][TYPE_NOAVG]);
+
+	priv->RSSI[TYPE_BEACON][TYPE_AVG] =
+	    CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_AVG] / AVG_SCALE,
+		     priv->NF[TYPE_BEACON][TYPE_AVG] / AVG_SCALE);
+
+	lbs_deb_cmd("RSSI: beacon %d, avg %d\n",
+	       priv->RSSI[TYPE_BEACON][TYPE_NOAVG],
+	       priv->RSSI[TYPE_BEACON][TYPE_AVG]);
+
+	lbs_deb_leave(LBS_DEB_CMD);
+	return 0;
+}
+
+
+int lbs_cmd_bcn_ctrl(struct lbs_private *priv,
+				struct cmd_ds_command *cmd,
+				u16 cmd_action)
+{
+	struct cmd_ds_802_11_beacon_control
+		*bcn_ctrl = &cmd->params.bcn_ctrl;
+
+	lbs_deb_enter(LBS_DEB_CMD);
+	cmd->size =
+	    cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
+			     + S_DS_GEN);
+	cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
+
+	bcn_ctrl->action = cpu_to_le16(cmd_action);
+	bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable);
+	bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period);
+
+	lbs_deb_leave(LBS_DEB_CMD);
+	return 0;
+}
+
+int lbs_ret_802_11_bcn_ctrl(struct lbs_private *priv,
+					struct cmd_ds_command *resp)
+{
+	struct cmd_ds_802_11_beacon_control *bcn_ctrl =
+	    &resp->params.bcn_ctrl;
+
+	lbs_deb_enter(LBS_DEB_CMD);
+
+	if (bcn_ctrl->action == CMD_ACT_GET) {
+		priv->beacon_enable = (u8) le16_to_cpu(bcn_ctrl->beacon_enable);
+		priv->beacon_period = le16_to_cpu(bcn_ctrl->beacon_period);
+	}
+
+	lbs_deb_enter(LBS_DEB_CMD);
+	return 0;
+}
+
+
+
 static int lbs_assoc_post(struct lbs_private *priv,
 			  struct cmd_ds_802_11_associate_response *resp)
 {
diff --git a/drivers/net/wireless/libertas/assoc.h b/drivers/net/wireless/libertas/assoc.h
index d8c266895dd..40621b789fc 100644
--- a/drivers/net/wireless/libertas/assoc.h
+++ b/drivers/net/wireless/libertas/assoc.h
@@ -132,4 +132,24 @@ int lbs_adhoc_stop(struct lbs_private *priv);
 int lbs_cmd_80211_deauthenticate(struct lbs_private *priv,
 				 u8 bssid[ETH_ALEN], u16 reason);
 
+int lbs_cmd_802_11_rssi(struct lbs_private *priv,
+				struct cmd_ds_command *cmd);
+int lbs_ret_802_11_rssi(struct lbs_private *priv,
+				struct cmd_ds_command *resp);
+
+int lbs_cmd_bcn_ctrl(struct lbs_private *priv,
+				struct cmd_ds_command *cmd,
+				u16 cmd_action);
+int lbs_ret_802_11_bcn_ctrl(struct lbs_private *priv,
+					struct cmd_ds_command *resp);
+
+int lbs_cmd_802_11_set_wep(struct lbs_private *priv, uint16_t cmd_action,
+			   struct assoc_request *assoc);
+
+int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv, uint16_t cmd_action,
+			      uint16_t *enable);
+
+int lbs_cmd_802_11_key_material(struct lbs_private *priv, uint16_t cmd_action,
+				struct assoc_request *assoc);
+
 #endif /* _LBS_ASSOC_H */
diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index 076cf7e625f..d1cfcd25a50 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -364,197 +364,6 @@ int lbs_set_deep_sleep(struct lbs_private *priv, int deep_sleep)
 	return ret;
 }
 
-int lbs_cmd_802_11_set_wep(struct lbs_private *priv, uint16_t cmd_action,
-			   struct assoc_request *assoc)
-{
-	struct cmd_ds_802_11_set_wep cmd;
-	int ret = 0;
-
-	lbs_deb_enter(LBS_DEB_CMD);
-
-	memset(&cmd, 0, sizeof(cmd));
-	cmd.hdr.command = cpu_to_le16(CMD_802_11_SET_WEP);
-	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
-
-	cmd.action = cpu_to_le16(cmd_action);
-
-	if (cmd_action == CMD_ACT_ADD) {
-		int i;
-
-		/* default tx key index */
-		cmd.keyindex = cpu_to_le16(assoc->wep_tx_keyidx &
-					   CMD_WEP_KEY_INDEX_MASK);
-
-		/* Copy key types and material to host command structure */
-		for (i = 0; i < 4; i++) {
-			struct enc_key *pkey = &assoc->wep_keys[i];
-
-			switch (pkey->len) {
-			case KEY_LEN_WEP_40:
-				cmd.keytype[i] = CMD_TYPE_WEP_40_BIT;
-				memmove(cmd.keymaterial[i], pkey->key, pkey->len);
-				lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i);
-				break;
-			case KEY_LEN_WEP_104:
-				cmd.keytype[i] = CMD_TYPE_WEP_104_BIT;
-				memmove(cmd.keymaterial[i], pkey->key, pkey->len);
-				lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i);
-				break;
-			case 0:
-				break;
-			default:
-				lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
-					    i, pkey->len);
-				ret = -1;
-				goto done;
-				break;
-			}
-		}
-	} else if (cmd_action == CMD_ACT_REMOVE) {
-		/* ACT_REMOVE clears _all_ WEP keys */
-
-		/* default tx key index */
-		cmd.keyindex = cpu_to_le16(priv->wep_tx_keyidx &
-					   CMD_WEP_KEY_INDEX_MASK);
-		lbs_deb_cmd("SET_WEP: remove key %d\n", priv->wep_tx_keyidx);
-	}
-
-	ret = lbs_cmd_with_response(priv, CMD_802_11_SET_WEP, &cmd);
-done:
-	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
-	return ret;
-}
-
-int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv, uint16_t cmd_action,
-			      uint16_t *enable)
-{
-	struct cmd_ds_802_11_enable_rsn cmd;
-	int ret;
-
-	lbs_deb_enter(LBS_DEB_CMD);
-
-	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
-	cmd.action = cpu_to_le16(cmd_action);
-
-	if (cmd_action == CMD_ACT_GET)
-		cmd.enable = 0;
-	else {
-		if (*enable)
-			cmd.enable = cpu_to_le16(CMD_ENABLE_RSN);
-		else
-			cmd.enable = cpu_to_le16(CMD_DISABLE_RSN);
-		lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
-	}
-
-	ret = lbs_cmd_with_response(priv, CMD_802_11_ENABLE_RSN, &cmd);
-	if (!ret && cmd_action == CMD_ACT_GET)
-		*enable = le16_to_cpu(cmd.enable);
-
-	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
-	return ret;
-}
-
-static void set_one_wpa_key(struct MrvlIEtype_keyParamSet *keyparam,
-                            struct enc_key *key)
-{
-	lbs_deb_enter(LBS_DEB_CMD);
-
-	if (key->flags & KEY_INFO_WPA_ENABLED)
-		keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED);
-	if (key->flags & KEY_INFO_WPA_UNICAST)
-		keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
-	if (key->flags & KEY_INFO_WPA_MCAST)
-		keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
-
-	keyparam->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
-	keyparam->keytypeid = cpu_to_le16(key->type);
-	keyparam->keylen = cpu_to_le16(key->len);
-	memcpy(keyparam->key, key->key, key->len);
-
-	/* Length field doesn't include the {type,length} header */
-	keyparam->length = cpu_to_le16(sizeof(*keyparam) - 4);
-	lbs_deb_leave(LBS_DEB_CMD);
-}
-
-int lbs_cmd_802_11_key_material(struct lbs_private *priv, uint16_t cmd_action,
-				struct assoc_request *assoc)
-{
-	struct cmd_ds_802_11_key_material cmd;
-	int ret = 0;
-	int index = 0;
-
-	lbs_deb_enter(LBS_DEB_CMD);
-
-	cmd.action = cpu_to_le16(cmd_action);
-	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
-
-	if (cmd_action == CMD_ACT_GET) {
-		cmd.hdr.size = cpu_to_le16(S_DS_GEN + 2);
-	} else {
-		memset(cmd.keyParamSet, 0, sizeof(cmd.keyParamSet));
-
-		if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc->flags)) {
-			set_one_wpa_key(&cmd.keyParamSet[index],
-					&assoc->wpa_unicast_key);
-			index++;
-		}
-
-		if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc->flags)) {
-			set_one_wpa_key(&cmd.keyParamSet[index],
-					&assoc->wpa_mcast_key);
-			index++;
-		}
-
-		/* The common header and as many keys as we included */
-		cmd.hdr.size = cpu_to_le16(offsetof(typeof(cmd),
-						    keyParamSet[index]));
-	}
-	ret = lbs_cmd_with_response(priv, CMD_802_11_KEY_MATERIAL, &cmd);
-	/* Copy the returned key to driver private data */
-	if (!ret && cmd_action == CMD_ACT_GET) {
-		void *buf_ptr = cmd.keyParamSet;
-		void *resp_end = &(&cmd)[1];
-
-		while (buf_ptr < resp_end) {
-			struct MrvlIEtype_keyParamSet *keyparam = buf_ptr;
-			struct enc_key *key;
-			uint16_t param_set_len = le16_to_cpu(keyparam->length);
-			uint16_t key_len = le16_to_cpu(keyparam->keylen);
-			uint16_t key_flags = le16_to_cpu(keyparam->keyinfo);
-			uint16_t key_type = le16_to_cpu(keyparam->keytypeid);
-			void *end;
-
-			end = (void *)keyparam + sizeof(keyparam->type)
-				+ sizeof(keyparam->length) + param_set_len;
-
-			/* Make sure we don't access past the end of the IEs */
-			if (end > resp_end)
-				break;
-
-			if (key_flags & KEY_INFO_WPA_UNICAST)
-				key = &priv->wpa_unicast_key;
-			else if (key_flags & KEY_INFO_WPA_MCAST)
-				key = &priv->wpa_mcast_key;
-			else
-				break;
-
-			/* Copy returned key into driver */
-			memset(key, 0, sizeof(struct enc_key));
-			if (key_len > sizeof(key->key))
-				break;
-			key->type = key_type;
-			key->flags = key_flags;
-			key->len = key_len;
-			memcpy(key->key, keyparam->key, key->len);
-
-			buf_ptr = end + 1;
-		}
-	}
-
-	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
-	return ret;
-}
-
 /**
  *  @brief Set an SNMP MIB value
  *
@@ -736,111 +545,6 @@ static int lbs_cmd_802_11_monitor_mode(struct cmd_ds_command *cmd,
 	return 0;
 }
 
-static __le16 lbs_rate_to_fw_bitmap(int rate, int lower_rates_ok)
-{
-/*		Bit  	Rate
-*		15:13 Reserved
-*		12    54 Mbps
-*		11    48 Mbps
-*		10    36 Mbps
-*		9     24 Mbps
-*		8     18 Mbps
-*		7     12 Mbps
-*		6     9 Mbps
-*		5     6 Mbps
-*		4     Reserved
-*		3     11 Mbps
-*		2     5.5 Mbps
-*		1     2 Mbps
-*		0     1 Mbps
-**/
-
-	uint16_t ratemask;
-	int i = lbs_data_rate_to_fw_index(rate);
-	if (lower_rates_ok)
-		ratemask = (0x1fef >> (12 - i));
-	else
-		ratemask = (1 << i);
-	return cpu_to_le16(ratemask);
-}
-
-int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
-				      uint16_t cmd_action)
-{
-	struct cmd_ds_802_11_rate_adapt_rateset cmd;
-	int ret;
-
-	lbs_deb_enter(LBS_DEB_CMD);
-
-	if (!priv->cur_rate && !priv->enablehwauto)
-		return -EINVAL;
-
-	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
-
-	cmd.action = cpu_to_le16(cmd_action);
-	cmd.enablehwauto = cpu_to_le16(priv->enablehwauto);
-	cmd.bitmap = lbs_rate_to_fw_bitmap(priv->cur_rate, priv->enablehwauto);
-	ret = lbs_cmd_with_response(priv, CMD_802_11_RATE_ADAPT_RATESET, &cmd);
-	if (!ret && cmd_action == CMD_ACT_GET) {
-		priv->ratebitmap = le16_to_cpu(cmd.bitmap);
-		priv->enablehwauto = le16_to_cpu(cmd.enablehwauto);
-	}
-
-	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
-	return ret;
-}
-EXPORT_SYMBOL_GPL(lbs_cmd_802_11_rate_adapt_rateset);
-
-/**
- *  @brief Set the data rate
- *
- *  @param priv    	A pointer to struct lbs_private structure
- *  @param rate  	The desired data rate, or 0 to clear a locked rate
- *
- *  @return 	   	0 on success, error on failure
- */
-int lbs_set_data_rate(struct lbs_private *priv, u8 rate)
-{
-	struct cmd_ds_802_11_data_rate cmd;
-	int ret = 0;
-
-	lbs_deb_enter(LBS_DEB_CMD);
-
-	memset(&cmd, 0, sizeof(cmd));
-	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
-
-	if (rate > 0) {
-		cmd.action = cpu_to_le16(CMD_ACT_SET_TX_FIX_RATE);
-		cmd.rates[0] = lbs_data_rate_to_fw_index(rate);
-		if (cmd.rates[0] == 0) {
-			lbs_deb_cmd("DATA_RATE: invalid requested rate of"
-			            " 0x%02X\n", rate);
-			ret = 0;
-			goto out;
-		}
-		lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", cmd.rates[0]);
-	} else {
-		cmd.action = cpu_to_le16(CMD_ACT_SET_TX_AUTO);
-		lbs_deb_cmd("DATA_RATE: setting auto\n");
-	}
-
-	ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
-	if (ret)
-		goto out;
-
-	lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
-
-	/* FIXME: get actual rates FW can do if this command actually returns
-	 * all data rates supported.
-	 */
-	priv->cur_rate = lbs_fw_index_to_data_rate(cmd.rates[0]);
-	lbs_deb_cmd("DATA_RATE: current rate is 0x%02x\n", priv->cur_rate);
-
-out:
-	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
-	return ret;
-}
-
 /**
  *  @brief Get the radio channel
  *
@@ -923,27 +627,6 @@ out:
 	return ret;
 }
 
-static int lbs_cmd_802_11_rssi(struct lbs_private *priv,
-				struct cmd_ds_command *cmd)
-{
-
-	lbs_deb_enter(LBS_DEB_CMD);
-	cmd->command = cpu_to_le16(CMD_802_11_RSSI);
-	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
-	cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
-
-	/* reset Beacon SNR/NF/RSSI values */
-	priv->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
-	priv->SNR[TYPE_BEACON][TYPE_AVG] = 0;
-	priv->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
-	priv->NF[TYPE_BEACON][TYPE_AVG] = 0;
-	priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
-	priv->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
-
-	lbs_deb_leave(LBS_DEB_CMD);
-	return 0;
-}
-
 static int lbs_cmd_reg_access(struct cmd_ds_command *cmdptr,
 			       u8 cmd_action, void *pdata_buf)
 {
@@ -1183,27 +866,6 @@ int lbs_mesh_config(struct lbs_private *priv, uint16_t action, uint16_t chan)
 	return __lbs_mesh_config_send(priv, &cmd, action, priv->mesh_tlv);
 }
 
-static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
-				struct cmd_ds_command *cmd,
-				u16 cmd_action)
-{
-	struct cmd_ds_802_11_beacon_control
-		*bcn_ctrl = &cmd->params.bcn_ctrl;
-
-	lbs_deb_enter(LBS_DEB_CMD);
-	cmd->size =
-	    cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
-			     + S_DS_GEN);
-	cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
-
-	bcn_ctrl->action = cpu_to_le16(cmd_action);
-	bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable);
-	bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period);
-
-	lbs_deb_leave(LBS_DEB_CMD);
-	return 0;
-}
-
 static void lbs_queue_cmd(struct lbs_private *priv,
 			  struct cmd_ctrl_node *cmdnode)
 {
@@ -2179,5 +1841,3 @@ done:
 	return ret;
 }
 EXPORT_SYMBOL_GPL(__lbs_cmd);
-
-
diff --git a/drivers/net/wireless/libertas/cmd.h b/drivers/net/wireless/libertas/cmd.h
index 9d29b578799..2862748aef7 100644
--- a/drivers/net/wireless/libertas/cmd.h
+++ b/drivers/net/wireless/libertas/cmd.h
@@ -135,15 +135,6 @@ int lbs_set_data_rate(struct lbs_private *priv, u8 rate);
 int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
 				      uint16_t cmd_action);
 
-int lbs_cmd_802_11_set_wep(struct lbs_private *priv, uint16_t cmd_action,
-			   struct assoc_request *assoc);
-
-int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv, uint16_t cmd_action,
-			      uint16_t *enable);
-
-int lbs_cmd_802_11_key_material(struct lbs_private *priv, uint16_t cmd_action,
-				struct assoc_request *assoc);
-
 int lbs_set_tx_power(struct lbs_private *priv, s16 dbm);
 
 int lbs_set_deep_sleep(struct lbs_private *priv, int deep_sleep);
diff --git a/drivers/net/wireless/libertas/cmdresp.c b/drivers/net/wireless/libertas/cmdresp.c
index 6e210388595..0312f2496f7 100644
--- a/drivers/net/wireless/libertas/cmdresp.c
+++ b/drivers/net/wireless/libertas/cmdresp.c
@@ -148,53 +148,6 @@ static int lbs_ret_reg_access(struct lbs_private *priv,
 	return ret;
 }
 
-static int lbs_ret_802_11_rssi(struct lbs_private *priv,
-				struct cmd_ds_command *resp)
-{
-	struct cmd_ds_802_11_rssi_rsp *rssirsp = &resp->params.rssirsp;
-
-	lbs_deb_enter(LBS_DEB_CMD);
-
-	/* store the non average value */
-	priv->SNR[TYPE_BEACON][TYPE_NOAVG] = get_unaligned_le16(&rssirsp->SNR);
-	priv->NF[TYPE_BEACON][TYPE_NOAVG] = get_unaligned_le16(&rssirsp->noisefloor);
-
-	priv->SNR[TYPE_BEACON][TYPE_AVG] = get_unaligned_le16(&rssirsp->avgSNR);
-	priv->NF[TYPE_BEACON][TYPE_AVG] = get_unaligned_le16(&rssirsp->avgnoisefloor);
-
-	priv->RSSI[TYPE_BEACON][TYPE_NOAVG] =
-	    CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_NOAVG],
-		     priv->NF[TYPE_BEACON][TYPE_NOAVG]);
-
-	priv->RSSI[TYPE_BEACON][TYPE_AVG] =
-	    CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_AVG] / AVG_SCALE,
-		     priv->NF[TYPE_BEACON][TYPE_AVG] / AVG_SCALE);
-
-	lbs_deb_cmd("RSSI: beacon %d, avg %d\n",
-	       priv->RSSI[TYPE_BEACON][TYPE_NOAVG],
-	       priv->RSSI[TYPE_BEACON][TYPE_AVG]);
-
-	lbs_deb_leave(LBS_DEB_CMD);
-	return 0;
-}
-
-static int lbs_ret_802_11_bcn_ctrl(struct lbs_private * priv,
-					struct cmd_ds_command *resp)
-{
-	struct cmd_ds_802_11_beacon_control *bcn_ctrl =
-	    &resp->params.bcn_ctrl;
-
-	lbs_deb_enter(LBS_DEB_CMD);
-
-	if (bcn_ctrl->action == CMD_ACT_GET) {
-		priv->beacon_enable = (u8) le16_to_cpu(bcn_ctrl->beacon_enable);
-		priv->beacon_period = le16_to_cpu(bcn_ctrl->beacon_period);
-	}
-
-	lbs_deb_enter(LBS_DEB_CMD);
-	return 0;
-}
-
 static inline int handle_cmd_response(struct lbs_private *priv,
 				      struct cmd_header *cmd_response)
 {
-- 
GitLab


From 6e85e0b7ab1cafd6ff63c391d231b5a39934802e Mon Sep 17 00:00:00 2001
From: Holger Schurig <hs4233@mail.mn-solutions.de>
Date: Thu, 22 Oct 2009 15:30:52 +0200
Subject: [PATCH 0585/1815] libertas: move lbs_send_iwevcustom_event() to
 wext.c

... because it's purely a WEXT function.

No functional change.

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/cmd.c  | 24 ------------------------
 drivers/net/wireless/libertas/decl.h |  2 --
 drivers/net/wireless/libertas/wext.c | 24 ++++++++++++++++++++++++
 drivers/net/wireless/libertas/wext.h |  2 ++
 4 files changed, 26 insertions(+), 26 deletions(-)

diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index d1cfcd25a50..7ddab10f0bd 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -1542,30 +1542,6 @@ done:
 	return ret;
 }
 
-void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
-{
-	union iwreq_data iwrq;
-	u8 buf[50];
-
-	lbs_deb_enter(LBS_DEB_WEXT);
-
-	memset(&iwrq, 0, sizeof(union iwreq_data));
-	memset(buf, 0, sizeof(buf));
-
-	snprintf(buf, sizeof(buf) - 1, "%s", str);
-
-	iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
-
-	/* Send Event to upper layer */
-	lbs_deb_wext("event indication string %s\n", (char *)buf);
-	lbs_deb_wext("event indication length %d\n", iwrq.data.length);
-	lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
-
-	wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
-
-	lbs_deb_leave(LBS_DEB_WEXT);
-}
-
 static void lbs_send_confirmsleep(struct lbs_private *priv)
 {
 	unsigned long flags;
diff --git a/drivers/net/wireless/libertas/decl.h b/drivers/net/wireless/libertas/decl.h
index 7d8323876c5..d609a57750d 100644
--- a/drivers/net/wireless/libertas/decl.h
+++ b/drivers/net/wireless/libertas/decl.h
@@ -44,8 +44,6 @@ struct chan_freq_power *lbs_find_cfp_by_band_and_channel(
 	u8 band,
 	u16 channel);
 
-void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str);
-
 /* persistcfg.c */
 void lbs_persist_config_init(struct net_device *net);
 void lbs_persist_config_remove(struct net_device *net);
diff --git a/drivers/net/wireless/libertas/wext.c b/drivers/net/wireless/libertas/wext.c
index c688ca7ab32..18c045bcc94 100644
--- a/drivers/net/wireless/libertas/wext.c
+++ b/drivers/net/wireless/libertas/wext.c
@@ -45,6 +45,30 @@ static inline void lbs_cancel_association_work(struct lbs_private *priv)
 	priv->pending_assoc_req = NULL;
 }
 
+void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
+{
+	union iwreq_data iwrq;
+	u8 buf[50];
+
+	lbs_deb_enter(LBS_DEB_WEXT);
+
+	memset(&iwrq, 0, sizeof(union iwreq_data));
+	memset(buf, 0, sizeof(buf));
+
+	snprintf(buf, sizeof(buf) - 1, "%s", str);
+
+	iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
+
+	/* Send Event to upper layer */
+	lbs_deb_wext("event indication string %s\n", (char *)buf);
+	lbs_deb_wext("event indication length %d\n", iwrq.data.length);
+	lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
+
+	wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
+
+	lbs_deb_leave(LBS_DEB_WEXT);
+}
+
 /**
  *  @brief Find the channel frequency power info with specific channel
  *
diff --git a/drivers/net/wireless/libertas/wext.h b/drivers/net/wireless/libertas/wext.h
index 4c08db49760..607d0ffefdd 100644
--- a/drivers/net/wireless/libertas/wext.h
+++ b/drivers/net/wireless/libertas/wext.h
@@ -4,6 +4,8 @@
 #ifndef	_LBS_WEXT_H_
 #define	_LBS_WEXT_H_
 
+void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str);
+
 extern struct iw_handler_def lbs_handler_def;
 extern struct iw_handler_def mesh_handler_def;
 
-- 
GitLab


From f57bd284e435d1ddf69b4266f63d856865152271 Mon Sep 17 00:00:00 2001
From: Holger Schurig <hs4233@mail.mn-solutions.de>
Date: Thu, 22 Oct 2009 15:30:53 +0200
Subject: [PATCH 0586/1815] libertas: remove handling for
 CMD_802_11_LED_GPIO_CTRL

... which just resided as an old-style command in cmd/cmdresp, but
was nowhere useed. If we ever need it, we can re-add it as a newstyle
command.

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/cmd.c     | 23 -----------------------
 drivers/net/wireless/libertas/cmdresp.c |  6 ------
 2 files changed, 29 deletions(-)

diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index 7ddab10f0bd..5faa987a8c7 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -1180,29 +1180,6 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
 
 		ret = 0;
 		break;
-	case CMD_802_11_LED_GPIO_CTRL:
-		{
-			struct mrvl_ie_ledgpio *gpio =
-			    (struct mrvl_ie_ledgpio*)
-			    cmdptr->params.ledgpio.data;
-
-			memmove(&cmdptr->params.ledgpio,
-				pdata_buf,
-				sizeof(struct cmd_ds_802_11_led_ctrl));
-
-			cmdptr->command =
-			    cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
-
-#define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
-			cmdptr->size =
-			    cpu_to_le16(le16_to_cpu(gpio->header.len)
-				+ S_DS_GEN
-				+ ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
-			gpio->header.len = gpio->header.len;
-
-			ret = 0;
-			break;
-		}
 
 	case CMD_BT_ACCESS:
 		ret = lbs_cmd_bt_access(cmdptr, cmd_action, pdata_buf);
diff --git a/drivers/net/wireless/libertas/cmdresp.c b/drivers/net/wireless/libertas/cmdresp.c
index 0312f2496f7..87c24e5a173 100644
--- a/drivers/net/wireless/libertas/cmdresp.c
+++ b/drivers/net/wireless/libertas/cmdresp.c
@@ -187,12 +187,6 @@ static inline int handle_cmd_response(struct lbs_private *priv,
 			sizeof(struct cmd_ds_802_11_tpc_cfg));
 		spin_unlock_irqrestore(&priv->driver_lock, flags);
 		break;
-	case CMD_RET(CMD_802_11_LED_GPIO_CTRL):
-		spin_lock_irqsave(&priv->driver_lock, flags);
-		memmove((void *)priv->cur_cmd->callback_arg, &resp->params.ledgpio,
-			sizeof(struct cmd_ds_802_11_led_ctrl));
-		spin_unlock_irqrestore(&priv->driver_lock, flags);
-		break;
 
 	case CMD_RET(CMD_GET_TSF):
 		spin_lock_irqsave(&priv->driver_lock, flags);
-- 
GitLab


From b856f73b39ca6b619e6e8d088141aec3ff62852c Mon Sep 17 00:00:00 2001
From: Holger Schurig <hs4233@mail.mn-solutions.de>
Date: Thu, 22 Oct 2009 15:30:54 +0200
Subject: [PATCH 0587/1815] libertas: remove handling for CMD_GET_TSF

... which just resided as an old-style command in cmd/cmdresp, but
was nowhere useed. If we ever need it, we can re-add it as a newstyle
command.

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/cmd.c     | 6 ------
 drivers/net/wireless/libertas/cmdresp.c | 6 ------
 drivers/net/wireless/libertas/host.h    | 1 -
 3 files changed, 13 deletions(-)

diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index 5faa987a8c7..b7b562445cf 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -1189,12 +1189,6 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
 		ret = lbs_cmd_fwt_access(cmdptr, cmd_action, pdata_buf);
 		break;
 
-	case CMD_GET_TSF:
-		cmdptr->command = cpu_to_le16(CMD_GET_TSF);
-		cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
-					   S_DS_GEN);
-		ret = 0;
-		break;
 	case CMD_802_11_BEACON_CTRL:
 		ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
 		break;
diff --git a/drivers/net/wireless/libertas/cmdresp.c b/drivers/net/wireless/libertas/cmdresp.c
index 87c24e5a173..e3b854cce69 100644
--- a/drivers/net/wireless/libertas/cmdresp.c
+++ b/drivers/net/wireless/libertas/cmdresp.c
@@ -188,12 +188,6 @@ static inline int handle_cmd_response(struct lbs_private *priv,
 		spin_unlock_irqrestore(&priv->driver_lock, flags);
 		break;
 
-	case CMD_RET(CMD_GET_TSF):
-		spin_lock_irqsave(&priv->driver_lock, flags);
-		memcpy((void *)priv->cur_cmd->callback_arg,
-		       &resp->params.gettsf.tsfvalue, sizeof(u64));
-		spin_unlock_irqrestore(&priv->driver_lock, flags);
-		break;
 	case CMD_RET(CMD_BT_ACCESS):
 		spin_lock_irqsave(&priv->driver_lock, flags);
 		if (priv->cur_cmd->callback_arg)
diff --git a/drivers/net/wireless/libertas/host.h b/drivers/net/wireless/libertas/host.h
index d4b875445f5..c600f67b2de 100644
--- a/drivers/net/wireless/libertas/host.h
+++ b/drivers/net/wireless/libertas/host.h
@@ -968,7 +968,6 @@ struct cmd_ds_command {
 
 		struct cmd_ds_bt_access bt;
 		struct cmd_ds_fwt_access fwt;
-		struct cmd_ds_get_tsf gettsf;
 		struct cmd_ds_802_11_beacon_control bcn_ctrl;
 	} params;
 } __attribute__ ((packed));
-- 
GitLab


From 8ec97cc803e1d52022e916074415acaec276288c Mon Sep 17 00:00:00 2001
From: Holger Schurig <hs4233@mail.mn-solutions.de>
Date: Thu, 22 Oct 2009 15:30:55 +0200
Subject: [PATCH 0588/1815] libertas: remove "struct cmd_ds_gen"

It was only used as a source for S_DS_GEN, but the size of this struct
is equal to the size of "struct cmd_header".

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/assoc.c |  7 ++++---
 drivers/net/wireless/libertas/cmd.c   | 22 ++++++++++++----------
 drivers/net/wireless/libertas/host.h  | 13 -------------
 drivers/net/wireless/libertas/scan.c  |  4 ++--
 4 files changed, 18 insertions(+), 28 deletions(-)

diff --git a/drivers/net/wireless/libertas/assoc.c b/drivers/net/wireless/libertas/assoc.c
index 17e76ac4179..4ce554ac900 100644
--- a/drivers/net/wireless/libertas/assoc.c
+++ b/drivers/net/wireless/libertas/assoc.c
@@ -279,7 +279,7 @@ int lbs_cmd_802_11_key_material(struct lbs_private *priv, uint16_t cmd_action,
 	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 
 	if (cmd_action == CMD_ACT_GET) {
-		cmd.hdr.size = cpu_to_le16(S_DS_GEN + 2);
+		cmd.hdr.size = cpu_to_le16(sizeof(struct cmd_header) + 2);
 	} else {
 		memset(cmd.keyParamSet, 0, sizeof(cmd.keyParamSet));
 
@@ -456,7 +456,8 @@ int lbs_cmd_802_11_rssi(struct lbs_private *priv,
 
 	lbs_deb_enter(LBS_DEB_CMD);
 	cmd->command = cpu_to_le16(CMD_802_11_RSSI);
-	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
+	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) +
+		sizeof(struct cmd_header));
 	cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
 
 	/* reset Beacon SNR/NF/RSSI values */
@@ -514,7 +515,7 @@ int lbs_cmd_bcn_ctrl(struct lbs_private *priv,
 	lbs_deb_enter(LBS_DEB_CMD);
 	cmd->size =
 	    cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
-			     + S_DS_GEN);
+			     + sizeof(struct cmd_header));
 	cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
 
 	bcn_ctrl->action = cpu_to_le16(cmd_action);
diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index b7b562445cf..5326483b50d 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -239,7 +239,7 @@ static int lbs_cmd_802_11_ps_mode(struct cmd_ds_command *cmd,
 
 	cmd->command = cpu_to_le16(CMD_802_11_PS_MODE);
 	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
-				S_DS_GEN);
+				sizeof(struct cmd_header));
 	psm->action = cpu_to_le16(cmd_action);
 	psm->multipledtim = 0;
 	switch (cmd_action) {
@@ -534,7 +534,7 @@ static int lbs_cmd_802_11_monitor_mode(struct cmd_ds_command *cmd,
 	cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE);
 	cmd->size =
 	    cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) +
-			     S_DS_GEN);
+			     sizeof(struct cmd_header));
 
 	monitor->action = cpu_to_le16(cmd_action);
 	if (cmd_action == CMD_ACT_SET) {
@@ -643,7 +643,7 @@ static int lbs_cmd_reg_access(struct cmd_ds_command *cmdptr,
 
 			cmdptr->size =
 			    cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access)
-					+ S_DS_GEN);
+					+ sizeof(struct cmd_header));
 			macreg =
 			    (struct cmd_ds_mac_reg_access *)&cmdptr->params.
 			    macreg;
@@ -662,7 +662,7 @@ static int lbs_cmd_reg_access(struct cmd_ds_command *cmdptr,
 			cmdptr->size =
 			    cpu_to_le16(sizeof
 					     (struct cmd_ds_bbp_reg_access)
-					     + S_DS_GEN);
+					     + sizeof(struct cmd_header));
 			bbpreg =
 			    (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
 			    bbpreg;
@@ -681,7 +681,7 @@ static int lbs_cmd_reg_access(struct cmd_ds_command *cmdptr,
 			cmdptr->size =
 			    cpu_to_le16(sizeof
 					     (struct cmd_ds_rf_reg_access) +
-					     S_DS_GEN);
+					     sizeof(struct cmd_header));
 			rfreg =
 			    (struct cmd_ds_rf_reg_access *)&cmdptr->params.
 			    rfreg;
@@ -708,7 +708,8 @@ static int lbs_cmd_bt_access(struct cmd_ds_command *cmd,
 	lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
 
 	cmd->command = cpu_to_le16(CMD_BT_ACCESS);
-	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN);
+	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) +
+		sizeof(struct cmd_header));
 	cmd->result = 0;
 	bt_access->action = cpu_to_le16(cmd_action);
 
@@ -745,7 +746,8 @@ static int lbs_cmd_fwt_access(struct cmd_ds_command *cmd,
 	lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
 
 	cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
-	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN);
+	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) +
+		sizeof(struct cmd_header));
 	cmd->result = 0;
 
 	if (pdata_buf)
@@ -1161,7 +1163,7 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
 
 		cmdptr->command = cpu_to_le16(cmd_no);
 		cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
-					   S_DS_GEN);
+					   sizeof(struct cmd_header));
 
 		memmove(&cmdptr->params.afc,
 			pdata_buf, sizeof(struct cmd_ds_802_11_afc));
@@ -1173,7 +1175,7 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
 		cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
 		cmdptr->size =
 		    cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
-				     S_DS_GEN);
+				     sizeof(struct cmd_header));
 
 		memmove(&cmdptr->params.tpccfg,
 			pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
@@ -1194,7 +1196,7 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
 		break;
 	case CMD_802_11_DEEP_SLEEP:
 		cmdptr->command = cpu_to_le16(CMD_802_11_DEEP_SLEEP);
-		cmdptr->size = cpu_to_le16(S_DS_GEN);
+		cmdptr->size = cpu_to_le16(sizeof(struct cmd_header));
 		break;
 	default:
 		lbs_pr_err("PREP_CMD: unknown command 0x%04x\n", cmd_no);
diff --git a/drivers/net/wireless/libertas/host.h b/drivers/net/wireless/libertas/host.h
index c600f67b2de..3809c0b4946 100644
--- a/drivers/net/wireless/libertas/host.h
+++ b/drivers/net/wireless/libertas/host.h
@@ -389,19 +389,6 @@ struct lbs_offset_value {
 	u32 value;
 } __attribute__ ((packed));
 
-/* Define general data structure */
-/* cmd_DS_GEN */
-struct cmd_ds_gen {
-	__le16 command;
-	__le16 size;
-	__le16 seqnum;
-	__le16 result;
-	void *cmdresp[0];
-} __attribute__ ((packed));
-
-#define S_DS_GEN sizeof(struct cmd_ds_gen)
-
-
 /*
  * Define data structure for CMD_GET_HW_SPEC
  * This structure defines the response for the GET_HW_SPEC command
diff --git a/drivers/net/wireless/libertas/scan.c b/drivers/net/wireless/libertas/scan.c
index 8273bcd216b..5f0a598a3b5 100644
--- a/drivers/net/wireless/libertas/scan.c
+++ b/drivers/net/wireless/libertas/scan.c
@@ -1291,11 +1291,11 @@ static int lbs_ret_80211_scan(struct lbs_private *priv, unsigned long dummy,
 	/* The size of the TLV buffer is equal to the entire command response
 	 *   size (scanrespsize) minus the fixed fields (sizeof()'s), the
 	 *   BSS Descriptions (bssdescriptsize as bytesLef) and the command
-	 *   response header (S_DS_GEN)
+	 *   response header (sizeof(struct cmd_header))
 	 */
 	tlvbufsize = scanrespsize - (bytesleft + sizeof(scanresp->bssdescriptsize)
 				     + sizeof(scanresp->nr_sets)
-				     + S_DS_GEN);
+				     + sizeof(struct cmd_header));
 
 	/*
 	 *  Process each scan response returned (scanresp->nr_sets). Save
-- 
GitLab


From fea2b8ec8192c62dbf5347c873cb1c8a87717a6a Mon Sep 17 00:00:00 2001
From: Holger Schurig <hs4233@mail.mn-solutions.de>
Date: Thu, 22 Oct 2009 15:30:56 +0200
Subject: [PATCH 0589/1815] libertas: move SIOCGIWAP calls to wext.c

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/cmdresp.c | 8 +-------
 drivers/net/wireless/libertas/main.c    | 5 +----
 drivers/net/wireless/libertas/wext.c    | 9 +++++++++
 drivers/net/wireless/libertas/wext.h    | 1 +
 4 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/drivers/net/wireless/libertas/cmdresp.c b/drivers/net/wireless/libertas/cmdresp.c
index e3b854cce69..abd20ea9255 100644
--- a/drivers/net/wireless/libertas/cmdresp.c
+++ b/drivers/net/wireless/libertas/cmdresp.c
@@ -27,23 +27,17 @@
  */
 void lbs_mac_event_disconnected(struct lbs_private *priv)
 {
-	union iwreq_data wrqu;
-
 	if (priv->connect_status != LBS_CONNECTED)
 		return;
 
 	lbs_deb_enter(LBS_DEB_ASSOC);
 
-	memset(wrqu.ap_addr.sa_data, 0x00, ETH_ALEN);
-	wrqu.ap_addr.sa_family = ARPHRD_ETHER;
-
 	/*
 	 * Cisco AP sends EAP failure and de-auth in less than 0.5 ms.
 	 * It causes problem in the Supplicant
 	 */
-
 	msleep_interruptible(1000);
-	wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
+	lbs_send_disconnect_notification(priv);
 
 	/* report disconnect to upper layer */
 	netif_stop_queue(priv->dev);
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index eb61f6955e9..01f46cf288d 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -1227,7 +1227,6 @@ EXPORT_SYMBOL_GPL(lbs_add_card);
 void lbs_remove_card(struct lbs_private *priv)
 {
 	struct net_device *dev = priv->dev;
-	union iwreq_data wrqu;
 
 	lbs_deb_enter(LBS_DEB_MAIN);
 
@@ -1252,9 +1251,7 @@ void lbs_remove_card(struct lbs_private *priv)
 		lbs_ps_wakeup(priv, CMD_OPTION_WAITFORRSP);
 	}
 
-	memset(wrqu.ap_addr.sa_data, 0xaa, ETH_ALEN);
-	wrqu.ap_addr.sa_family = ARPHRD_ETHER;
-	wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
+	lbs_send_disconnect_notification(priv);
 
 	if (priv->is_deep_sleep) {
 		priv->is_deep_sleep = 0;
diff --git a/drivers/net/wireless/libertas/wext.c b/drivers/net/wireless/libertas/wext.c
index 18c045bcc94..dc63b33b01f 100644
--- a/drivers/net/wireless/libertas/wext.c
+++ b/drivers/net/wireless/libertas/wext.c
@@ -45,6 +45,15 @@ static inline void lbs_cancel_association_work(struct lbs_private *priv)
 	priv->pending_assoc_req = NULL;
 }
 
+void lbs_send_disconnect_notification(struct lbs_private *priv)
+{
+	union iwreq_data wrqu;
+
+	memset(wrqu.ap_addr.sa_data, 0x00, ETH_ALEN);
+	wrqu.ap_addr.sa_family = ARPHRD_ETHER;
+	wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
+}
+
 void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
 {
 	union iwreq_data iwrq;
diff --git a/drivers/net/wireless/libertas/wext.h b/drivers/net/wireless/libertas/wext.h
index 607d0ffefdd..50558262ecc 100644
--- a/drivers/net/wireless/libertas/wext.h
+++ b/drivers/net/wireless/libertas/wext.h
@@ -4,6 +4,7 @@
 #ifndef	_LBS_WEXT_H_
 #define	_LBS_WEXT_H_
 
+void lbs_send_disconnect_notification(struct lbs_private *priv);
 void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str);
 
 extern struct iw_handler_def lbs_handler_def;
-- 
GitLab


From 560c63383f060b5ea68834e4720ab7bfb4303ff7 Mon Sep 17 00:00:00 2001
From: Holger Schurig <hs4233@mail.mn-solutions.de>
Date: Thu, 22 Oct 2009 15:30:57 +0200
Subject: [PATCH 0590/1815] libertas: move mic failure event to wext.c

... because for cfg80211 we'll need a completely different
implementation.

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/cmdresp.c | 30 ++-----------------------
 drivers/net/wireless/libertas/wext.c    | 27 +++++++++++++++++++++-
 drivers/net/wireless/libertas/wext.h    |  2 +-
 3 files changed, 29 insertions(+), 30 deletions(-)

diff --git a/drivers/net/wireless/libertas/cmdresp.c b/drivers/net/wireless/libertas/cmdresp.c
index abd20ea9255..21d57690c20 100644
--- a/drivers/net/wireless/libertas/cmdresp.c
+++ b/drivers/net/wireless/libertas/cmdresp.c
@@ -73,32 +73,6 @@ void lbs_mac_event_disconnected(struct lbs_private *priv)
 	lbs_deb_leave(LBS_DEB_ASSOC);
 }
 
-/**
- *  @brief This function handles MIC failure event.
- *
- *  @param priv    A pointer to struct lbs_private structure
- *  @para  event   the event id
- *  @return 	   n/a
- */
-static void handle_mic_failureevent(struct lbs_private *priv, u32 event)
-{
-	char buf[50];
-
-	lbs_deb_enter(LBS_DEB_CMD);
-	memset(buf, 0, sizeof(buf));
-
-	sprintf(buf, "%s", "MLME-MICHAELMICFAILURE.indication ");
-
-	if (event == MACREG_INT_CODE_MIC_ERR_UNICAST) {
-		strcat(buf, "unicast ");
-	} else {
-		strcat(buf, "multicast ");
-	}
-
-	lbs_send_iwevcustom_event(priv, buf);
-	lbs_deb_leave(LBS_DEB_CMD);
-}
-
 static int lbs_ret_reg_access(struct lbs_private *priv,
 			       u16 type, struct cmd_ds_command *resp)
 {
@@ -477,12 +451,12 @@ int lbs_process_event(struct lbs_private *priv, u32 event)
 
 	case MACREG_INT_CODE_MIC_ERR_UNICAST:
 		lbs_deb_cmd("EVENT: UNICAST MIC ERROR\n");
-		handle_mic_failureevent(priv, MACREG_INT_CODE_MIC_ERR_UNICAST);
+		lbs_send_mic_failureevent(priv, event);
 		break;
 
 	case MACREG_INT_CODE_MIC_ERR_MULTICAST:
 		lbs_deb_cmd("EVENT: MULTICAST MIC ERROR\n");
-		handle_mic_failureevent(priv, MACREG_INT_CODE_MIC_ERR_MULTICAST);
+		lbs_send_mic_failureevent(priv, event);
 		break;
 
 	case MACREG_INT_CODE_MIB_CHANGED:
diff --git a/drivers/net/wireless/libertas/wext.c b/drivers/net/wireless/libertas/wext.c
index dc63b33b01f..a8eb9e1fcf3 100644
--- a/drivers/net/wireless/libertas/wext.c
+++ b/drivers/net/wireless/libertas/wext.c
@@ -54,7 +54,7 @@ void lbs_send_disconnect_notification(struct lbs_private *priv)
 	wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
 }
 
-void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
+static void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
 {
 	union iwreq_data iwrq;
 	u8 buf[50];
@@ -78,6 +78,31 @@ void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
 	lbs_deb_leave(LBS_DEB_WEXT);
 }
 
+/**
+ *  @brief This function handles MIC failure event.
+ *
+ *  @param priv    A pointer to struct lbs_private structure
+ *  @para  event   the event id
+ *  @return 	   n/a
+ */
+void lbs_send_mic_failureevent(struct lbs_private *priv, u32 event)
+{
+	char buf[50];
+
+	lbs_deb_enter(LBS_DEB_CMD);
+	memset(buf, 0, sizeof(buf));
+
+	sprintf(buf, "%s", "MLME-MICHAELMICFAILURE.indication ");
+
+	if (event == MACREG_INT_CODE_MIC_ERR_UNICAST)
+		strcat(buf, "unicast ");
+	else
+		strcat(buf, "multicast ");
+
+	lbs_send_iwevcustom_event(priv, buf);
+	lbs_deb_leave(LBS_DEB_CMD);
+}
+
 /**
  *  @brief Find the channel frequency power info with specific channel
  *
diff --git a/drivers/net/wireless/libertas/wext.h b/drivers/net/wireless/libertas/wext.h
index 50558262ecc..5e041e64ecf 100644
--- a/drivers/net/wireless/libertas/wext.h
+++ b/drivers/net/wireless/libertas/wext.h
@@ -5,7 +5,7 @@
 #define	_LBS_WEXT_H_
 
 void lbs_send_disconnect_notification(struct lbs_private *priv);
-void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str);
+void lbs_send_mic_failureevent(struct lbs_private *priv, u32 event);
 
 extern struct iw_handler_def lbs_handler_def;
 extern struct iw_handler_def mesh_handler_def;
-- 
GitLab


From e93156e7c4c3e2be355cac27c58664e4385c58fd Mon Sep 17 00:00:00 2001
From: Holger Schurig <hs4233@mail.mn-solutions.de>
Date: Thu, 22 Oct 2009 15:30:58 +0200
Subject: [PATCH 0591/1815] libertas: sort and categorize entries in decl.h

This now makes decl.h only contain declarations for functions that don't
have their own *.h file.

No function change.

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/cmd.c  |  4 ++-
 drivers/net/wireless/libertas/decl.h | 40 +++++++++++++---------------
 drivers/net/wireless/libertas/scan.c |  2 +-
 drivers/net/wireless/libertas/wext.h |  5 ++++
 4 files changed, 27 insertions(+), 24 deletions(-)

diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index 5326483b50d..65fd50d3176 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -3,9 +3,10 @@
   * It prepares command and sends it to firmware when it is ready.
   */
 
-#include <net/iw_handler.h>
 #include <net/lib80211.h>
 #include <linux/kfifo.h>
+#include <linux/sched.h>
+
 #include "host.h"
 #include "decl.h"
 #include "defs.h"
@@ -15,6 +16,7 @@
 #include "scan.h"
 #include "cmd.h"
 
+
 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv);
 
 /**
diff --git a/drivers/net/wireless/libertas/decl.h b/drivers/net/wireless/libertas/decl.h
index d609a57750d..678f7c9f750 100644
--- a/drivers/net/wireless/libertas/decl.h
+++ b/drivers/net/wireless/libertas/decl.h
@@ -8,46 +8,30 @@
 
 #include <linux/netdevice.h>
 
-#include "defs.h"
 
-
-extern const struct ethtool_ops lbs_ethtool_ops;
-
-/** Function Prototype Declaration */
 struct lbs_private;
 struct sk_buff;
 struct net_device;
-struct cmd_ctrl_node;
-struct cmd_ds_command;
 
-int lbs_suspend(struct lbs_private *priv);
-void lbs_resume(struct lbs_private *priv);
-
-void lbs_send_tx_feedback(struct lbs_private *priv, u32 try_count);
 
-void lbs_queue_event(struct lbs_private *priv, u32 event);
-void lbs_notify_command_response(struct lbs_private *priv, u8 resp_idx);
-int lbs_enter_auto_deep_sleep(struct lbs_private *priv);
-int lbs_exit_auto_deep_sleep(struct lbs_private *priv);
+/* ethtool.c */
+extern const struct ethtool_ops lbs_ethtool_ops;
 
-u32 lbs_fw_index_to_data_rate(u8 index);
-u8 lbs_data_rate_to_fw_index(u32 rate);
 
-/** The proc fs interface */
+/* tx.c */
+void lbs_send_tx_feedback(struct lbs_private *priv, u32 try_count);
 netdev_tx_t lbs_hard_start_xmit(struct sk_buff *skb,
 				struct net_device *dev);
 
+/* rx.c */
 int lbs_process_rxed_packet(struct lbs_private *priv, struct sk_buff *);
 
-struct chan_freq_power *lbs_find_cfp_by_band_and_channel(
-	struct lbs_private *priv,
-	u8 band,
-	u16 channel);
 
 /* persistcfg.c */
 void lbs_persist_config_init(struct net_device *net);
 void lbs_persist_config_remove(struct net_device *net);
 
+
 /* main.c */
 struct lbs_private *lbs_add_card(void *card, struct device *dmdev);
 void lbs_remove_card(struct lbs_private *priv);
@@ -55,5 +39,17 @@ int lbs_start_card(struct lbs_private *priv);
 void lbs_stop_card(struct lbs_private *priv);
 void lbs_host_to_card_done(struct lbs_private *priv);
 
+int lbs_suspend(struct lbs_private *priv);
+void lbs_resume(struct lbs_private *priv);
+
+void lbs_queue_event(struct lbs_private *priv, u32 event);
+void lbs_notify_command_response(struct lbs_private *priv, u8 resp_idx);
+
+int lbs_enter_auto_deep_sleep(struct lbs_private *priv);
+int lbs_exit_auto_deep_sleep(struct lbs_private *priv);
+
+u32 lbs_fw_index_to_data_rate(u8 index);
+u8 lbs_data_rate_to_fw_index(u32 rate);
+
 
 #endif
diff --git a/drivers/net/wireless/libertas/scan.c b/drivers/net/wireless/libertas/scan.c
index 5f0a598a3b5..c6a6c042b82 100644
--- a/drivers/net/wireless/libertas/scan.c
+++ b/drivers/net/wireless/libertas/scan.c
@@ -12,10 +12,10 @@
 #include <net/lib80211.h>
 
 #include "host.h"
-#include "decl.h"
 #include "dev.h"
 #include "scan.h"
 #include "assoc.h"
+#include "wext.h"
 #include "cmd.h"
 
 //! Approximate amount of data needed to pass a scan result back to iwlist
diff --git a/drivers/net/wireless/libertas/wext.h b/drivers/net/wireless/libertas/wext.h
index 5e041e64ecf..7863baf7d23 100644
--- a/drivers/net/wireless/libertas/wext.h
+++ b/drivers/net/wireless/libertas/wext.h
@@ -10,4 +10,9 @@ void lbs_send_mic_failureevent(struct lbs_private *priv, u32 event);
 extern struct iw_handler_def lbs_handler_def;
 extern struct iw_handler_def mesh_handler_def;
 
+struct chan_freq_power *lbs_find_cfp_by_band_and_channel(
+	struct lbs_private *priv,
+	u8 band,
+	u16 channel);
+
 #endif
-- 
GitLab


From fef0640e1e5d5f79c48d1de1f54ed285429b4a6c Mon Sep 17 00:00:00 2001
From: Holger Schurig <hs4233@mail.mn-solutions.de>
Date: Thu, 22 Oct 2009 15:30:59 +0200
Subject: [PATCH 0592/1815] libertas: remove some references to IW_MODE_abc

... in pursue to quaff the wide-spread references to WEXT constants.

When setting SNMP_MIB_OID_BSS_TYPE, wext.c can directly calculate the value
the firmware wants.

Reading of SNMP_MIB_OID_BSS_TYPE doesn't happen anywhere, so no need to
convert the firmware value into WEXT values anyway.

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/assoc.c |  3 ++-
 drivers/net/wireless/libertas/cmd.c   | 10 ++--------
 2 files changed, 4 insertions(+), 9 deletions(-)

diff --git a/drivers/net/wireless/libertas/assoc.c b/drivers/net/wireless/libertas/assoc.c
index 4ce554ac900..751067369ba 100644
--- a/drivers/net/wireless/libertas/assoc.c
+++ b/drivers/net/wireless/libertas/assoc.c
@@ -1567,7 +1567,8 @@ static int assoc_helper_mode(struct lbs_private *priv,
 	}
 
 	priv->mode = assoc_req->mode;
-	ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_BSS_TYPE, assoc_req->mode);
+	ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_BSS_TYPE,
+		assoc_req->mode == IW_MODE_ADHOC ? 2 : 1);
 
 done:
 	lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index 65fd50d3176..1065ce29cd0 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -390,7 +390,7 @@ int lbs_set_snmp_mib(struct lbs_private *priv, u32 oid, u16 val)
 	switch (oid) {
 	case SNMP_MIB_OID_BSS_TYPE:
 		cmd.bufsize = cpu_to_le16(sizeof(u8));
-		cmd.value[0] = (val == IW_MODE_ADHOC) ? 2 : 1;
+		cmd.value[0] = val;
 		break;
 	case SNMP_MIB_OID_11D_ENABLE:
 	case SNMP_MIB_OID_FRAG_THRESHOLD:
@@ -443,13 +443,7 @@ int lbs_get_snmp_mib(struct lbs_private *priv, u32 oid, u16 *out_val)
 
 	switch (le16_to_cpu(cmd.bufsize)) {
 	case sizeof(u8):
-		if (oid == SNMP_MIB_OID_BSS_TYPE) {
-			if (cmd.value[0] == 2)
-				*out_val = IW_MODE_ADHOC;
-			else
-				*out_val = IW_MODE_INFRA;
-		} else
-			*out_val = cmd.value[0];
+		*out_val = cmd.value[0];
 		break;
 	case sizeof(u16):
 		*out_val = le16_to_cpu(*((__le16 *)(&cmd.value)));
-- 
GitLab


From 1a5c3d61993f56daf15c35bea8d3943f4e835638 Mon Sep 17 00:00:00 2001
From: Jay Sternberg <jay.e.sternberg@intel.com>
Date: Fri, 23 Oct 2009 13:42:19 -0700
Subject: [PATCH 0593/1815] iwlwifi: add missing commands to syslog messages

Two commands missing from list of commands such that when debug is
enabled, these commands are shown as UNKNOWN.

Missing commands are TX_ANT_CONFIGURATION_CMD and
TEMPERATURE_NOTIFICATION.

Signed-off-by: Jay Sternberg <jay.e.sternberg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-commands.h | 1 +
 drivers/net/wireless/iwlwifi/iwl-hcmd.c     | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 7d4f131708f..1a7c0d02c19 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -114,6 +114,7 @@ enum {
 	COEX_EVENT_CMD = 0x5c,
 
 	/* Calibration */
+	TEMPERATURE_NOTIFICATION = 0x62,
 	CALIBRATION_CFG_CMD = 0x65,
 	CALIBRATION_RES_NOTIFICATION = 0x66,
 	CALIBRATION_COMPLETE_NOTIFICATION = 0x67,
diff --git a/drivers/net/wireless/iwlwifi/iwl-hcmd.c b/drivers/net/wireless/iwlwifi/iwl-hcmd.c
index 22a21a1c7f4..f2a60dc4109 100644
--- a/drivers/net/wireless/iwlwifi/iwl-hcmd.c
+++ b/drivers/net/wireless/iwlwifi/iwl-hcmd.c
@@ -92,6 +92,8 @@ const char *get_cmd_string(u8 cmd)
 		IWL_CMD(CALIBRATION_RES_NOTIFICATION);
 		IWL_CMD(CALIBRATION_COMPLETE_NOTIFICATION);
 		IWL_CMD(REPLY_TX_POWER_DBM_CMD);
+		IWL_CMD(TEMPERATURE_NOTIFICATION);
+		IWL_CMD(TX_ANT_CONFIGURATION_CMD);
 	default:
 		return "UNKNOWN";
 
-- 
GitLab


From 065e63b00cf13919010bbeff48f7a120033be448 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 23 Oct 2009 13:42:20 -0700
Subject: [PATCH 0594/1815] iwlwifi: fix gain computation for 5000 series and
 up

In Rx gain balancing (chain noise) computation for 5000 series and up,
the delta gain calculation should use the average noise of default
chain, not "chain 0" which do not exist for all the devices.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-5000.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 17555c7c1d6..afa88a30415 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -236,7 +236,7 @@ static void iwl5000_gain_computation(struct iwl_priv *priv,
 			data->delta_gain_code[i] = 0;
 			continue;
 		}
-		delta_g = (1000 * ((s32)average_noise[0] -
+		delta_g = (1000 * ((s32)average_noise[default_chain] -
 			(s32)average_noise[i])) / 1500;
 		/* bound gain by 2 bits value max, 3rd bit is sign */
 		data->delta_gain_code[i] =
-- 
GitLab


From fadb3582a38c33d0f7c58ab7905d4dbc67f4c4d9 Mon Sep 17 00:00:00 2001
From: Ben Cahill <ben.m.cahill@intel.com>
Date: Fri, 23 Oct 2009 13:42:21 -0700
Subject: [PATCH 0595/1815] iwlwifi: consolidate apm_init() functions

Consolidate most iwlXXXX_apm_init() functions into single iwl_apm_init().
Keep iwl3945_apm_init(), but leverage iwl_apm_init() for most functionality.
Update 4965 init sequence to follow most recent factory recommendations.

Add following members to struct iwl_cfg to guide the init sequence:
pll_cfg_val (replaces needs_pll_cfg), set_l0s, use_bsm

Move L0S enable/disable from nic_config() functions to iwl_apm_init().
This satisifies the "FIXME: put here L1A -L0S w/a" notice, and complies
with factory-recommended sequence.

Add debug info message in iwl_apm_init(), and symmetrical message
in iwl_apm_stop().

Signed-off-by: Ben Cahill <ben.m.cahill@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-1000.c |  10 ++-
 drivers/net/wireless/iwlwifi/iwl-3945.c |  56 ++----------
 drivers/net/wireless/iwlwifi/iwl-4965.c |  56 +-----------
 drivers/net/wireless/iwlwifi/iwl-5000.c |  86 +++++-------------
 drivers/net/wireless/iwlwifi/iwl-6000.c |  42 ++++++---
 drivers/net/wireless/iwlwifi/iwl-core.c | 114 ++++++++++++++++++++++++
 drivers/net/wireless/iwlwifi/iwl-core.h |   8 +-
 drivers/net/wireless/iwlwifi/iwl-dev.h  |   1 -
 8 files changed, 190 insertions(+), 183 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c
index a00f947bd59..3da5913225e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-1000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-1000.c
@@ -110,7 +110,7 @@ static struct iwl_lib_ops iwl1000_lib = {
 	.send_tx_power = iwl5000_send_tx_power,
 	.update_chain_flags = iwl_update_chain_flags,
 	.apm_ops = {
-		.init =	iwl5000_apm_init,
+		.init = iwl_apm_init,
 		.stop = iwl_apm_stop,
 		.config = iwl1000_nic_config,
 		.set_pwr_src = iwl_set_pwr_src,
@@ -163,7 +163,9 @@ struct iwl_cfg iwl1000_bgn_cfg = {
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_A,
 	.valid_rx_ant = ANT_AB,
-	.need_pll_cfg = true,
+	.pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
+	.set_l0s = false,
+	.use_bsm = false,
 	.max_ll_items = OTP_MAX_LL_ITEMS_1000,
 	.shadow_ram_support = false,
 	.ht_greenfield_support = true,
@@ -186,7 +188,9 @@ struct iwl_cfg iwl1000_bg_cfg = {
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_A,
 	.valid_rx_ant = ANT_AB,
-	.need_pll_cfg = true,
+	.pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
+	.set_l0s = false,
+	.use_bsm = false,
 	.max_ll_items = OTP_MAX_LL_ITEMS_1000,
 	.shadow_ram_support = false,
 	.ht_greenfield_support = true,
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 9f18b4cba95..7142aa5dbdb 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -1013,55 +1013,15 @@ static int iwl3945_txq_ctx_reset(struct iwl_priv *priv)
 	return rc;
 }
 
+
 /*
- * Start up NIC's basic functionality after it has been reset
- * (e.g. after platform boot, or shutdown via iwl3945_apm_stop())
+ * Start up 3945's basic functionality after it has been reset
+ * (e.g. after platform boot, or shutdown via iwl_apm_stop())
  * NOTE:  This does not load uCode nor start the embedded processor
  */
 static int iwl3945_apm_init(struct iwl_priv *priv)
 {
-	int ret;
-
-	/* Configure chip clock phase-lock-loop */
-	iwl_set_bit(priv, CSR_ANA_PLL_CFG, CSR39_ANA_PLL_CFG_VAL);
-
-	/*
-	 * Disable L0S exit timer (platform NMI Work/Around)
-	 * (does this do anything on 3945, or just 4965 and beyond?)
-	 */
-	iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS,
-			  CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER);
-
-	/* Disable L0s without affecting L1; don't wait for ICH (L0s bug W/A) */
-	iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS,
-			  CSR_GIO_CHICKEN_BITS_REG_BIT_L1A_NO_L0S_RX);
-
-	/* Set FH wait threshold to maximum (HW error during stress W/A) */
-	iwl_set_bit(priv, CSR_DBG_HPET_MEM_REG, CSR_DBG_HPET_MEM_REG_VAL);
-
-	/*
-	 * Set "initialization complete" bit to move adapter from
-	 * D0U* --> D0A* (powered-up active) state.
-	 */
-	iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
-
-	/*
-	 * Wait for clock stabilization; once stabilized, access to
-	 * device-internal resources is supported, e.g. iwl_write_prph()
-	 * and accesses to uCode SRAM.
-	 */
-	ret = iwl_poll_bit(priv, CSR_GP_CNTRL,
-			CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
-			CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
-	if (ret < 0) {
-		IWL_DEBUG_INFO(priv, "Failed to init the card\n");
-		goto out;
-	}
-
-	/* Enable DMA and BSM clocks, wait for them to stabilize */
-	iwl_write_prph(priv, APMG_CLK_CTRL_REG, APMG_CLK_VAL_DMA_CLK_RQT |
-						APMG_CLK_VAL_BSM_CLK_RQT);
-	udelay(20);
+	int ret = iwl_apm_init(priv);
 
 	/* Clear APMG (NIC's internal power management) interrupts */
 	iwl_write_prph(priv, APMG_RTC_INT_MSK_REG, 0x0);
@@ -1072,11 +1032,6 @@ static int iwl3945_apm_init(struct iwl_priv *priv)
 	udelay(5);
 	iwl_clear_bits_prph(priv, APMG_PS_CTRL_REG, APMG_PS_CTRL_VAL_RESET_REQ);
 
-	/* Disable L1-Active */
-	iwl_set_bits_prph(priv, APMG_PCIDEV_STT_REG,
-			  APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
-
-out:
 	return ret;
 }
 
@@ -2876,6 +2831,9 @@ static struct iwl_cfg iwl3945_bg_cfg = {
 	.ops = &iwl3945_ops,
 	.num_of_queues = IWL39_NUM_QUEUES,
 	.mod_params = &iwl3945_mod_params,
+	.pll_cfg_val = CSR39_ANA_PLL_CFG_VAL,
+	.set_l0s = false,
+	.use_bsm = true,
 	.use_isr_legacy = true,
 	.ht_greenfield_support = false,
 	.led_compensation = 64,
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index 1a622aa5a16..32d5f3de429 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -317,64 +317,13 @@ static void iwl4965_txq_set_sched(struct iwl_priv *priv, u32 mask)
 	iwl_write_prph(priv, IWL49_SCD_TXFACT, mask);
 }
 
-static int iwl4965_apm_init(struct iwl_priv *priv)
-{
-	int ret = 0;
-
-	iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS,
-			  CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER);
-
-	/* disable L0s without affecting L1 :don't wait for ICH L0s bug W/A) */
-	iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS,
-			  CSR_GIO_CHICKEN_BITS_REG_BIT_L1A_NO_L0S_RX);
-
-	/* set "initialization complete" bit to move adapter
-	 * D0U* --> D0A* state */
-	iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
-
-	/* wait for clock stabilization */
-	ret = iwl_poll_bit(priv, CSR_GP_CNTRL,
-			CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
-			CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
-	if (ret < 0) {
-		IWL_DEBUG_INFO(priv, "Failed to init the card\n");
-		goto out;
-	}
-
-	/* enable DMA */
-	iwl_write_prph(priv, APMG_CLK_CTRL_REG, APMG_CLK_VAL_DMA_CLK_RQT |
-						APMG_CLK_VAL_BSM_CLK_RQT);
-
-	udelay(20);
-
-	/* disable L1-Active */
-	iwl_set_bits_prph(priv, APMG_PCIDEV_STT_REG,
-			  APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
-
-out:
-	return ret;
-}
-
-
 static void iwl4965_nic_config(struct iwl_priv *priv)
 {
 	unsigned long flags;
 	u16 radio_cfg;
-	u16 lctl;
 
 	spin_lock_irqsave(&priv->lock, flags);
 
-	lctl = iwl_pcie_link_ctl(priv);
-
-	/* HW bug W/A - negligible power consumption */
-	/* L1-ASPM is enabled by BIOS */
-	if ((lctl & PCI_CFG_LINK_CTRL_VAL_L1_EN) == PCI_CFG_LINK_CTRL_VAL_L1_EN)
-		/* L1-ASPM enabled: disable L0S  */
-		iwl_set_bit(priv, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_ENABLED);
-	else
-		/* L1-ASPM disabled: enable L0S */
-		iwl_clear_bit(priv, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_ENABLED);
-
 	radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG);
 
 	/* write radio config values to register */
@@ -2223,7 +2172,7 @@ static struct iwl_lib_ops iwl4965_lib = {
 	.dump_nic_event_log = iwl_dump_nic_event_log,
 	.dump_nic_error_log = iwl_dump_nic_error_log,
 	.apm_ops = {
-		.init = iwl4965_apm_init,
+		.init = iwl_apm_init,
 		.stop = iwl_apm_stop,
 		.config = iwl4965_nic_config,
 		.set_pwr_src = iwl_set_pwr_src,
@@ -2276,6 +2225,9 @@ struct iwl_cfg iwl4965_agn_cfg = {
 	.num_of_queues = IWL49_NUM_QUEUES,
 	.num_of_ampdu_queues = IWL49_NUM_AMPDU_QUEUES,
 	.mod_params = &iwl4965_mod_params,
+	.pll_cfg_val = 0,
+	.set_l0s = true,
+	.use_bsm = true,
 	.use_isr_legacy = true,
 	.ht_greenfield_support = false,
 	.broken_powersave = true,
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index afa88a30415..a6e347b9799 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -72,72 +72,14 @@ static const u16 iwl5000_default_queue_to_tx_fifo[] = {
 	IWL_TX_FIFO_HCCA_2
 };
 
-int iwl5000_apm_init(struct iwl_priv *priv)
-{
-	int ret = 0;
-
-	iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS,
-		    CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER);
-
-	/* disable L0s without affecting L1 :don't wait for ICH L0s bug W/A) */
-	iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS,
-		    CSR_GIO_CHICKEN_BITS_REG_BIT_L1A_NO_L0S_RX);
-
-	/* Set FH wait threshold to maximum (HW error during stress W/A) */
-	iwl_set_bit(priv, CSR_DBG_HPET_MEM_REG, CSR_DBG_HPET_MEM_REG_VAL);
-
-	/* enable HAP INTA to move device L1a -> L0s */
-	iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
-		    CSR_HW_IF_CONFIG_REG_BIT_HAP_WAKE_L1A);
-
-	if (priv->cfg->need_pll_cfg)
-		iwl_set_bit(priv, CSR_ANA_PLL_CFG, CSR50_ANA_PLL_CFG_VAL);
-
-	/* set "initialization complete" bit to move adapter
-	 * D0U* --> D0A* state */
-	iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
-
-	/* wait for clock stabilization */
-	ret = iwl_poll_bit(priv, CSR_GP_CNTRL,
-			CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
-			CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
-	if (ret < 0) {
-		IWL_DEBUG_INFO(priv, "Failed to init the card\n");
-		return ret;
-	}
-
-	/* enable DMA */
-	iwl_write_prph(priv, APMG_CLK_EN_REG, APMG_CLK_VAL_DMA_CLK_RQT);
-
-	udelay(20);
-
-	/* disable L1-Active */
-	iwl_set_bits_prph(priv, APMG_PCIDEV_STT_REG,
-			  APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
-
-	return ret;
-}
-
 /* NIC configuration for 5000 series */
 void iwl5000_nic_config(struct iwl_priv *priv)
 {
 	unsigned long flags;
 	u16 radio_cfg;
-	u16 lctl;
 
 	spin_lock_irqsave(&priv->lock, flags);
 
-	lctl = iwl_pcie_link_ctl(priv);
-
-	/* HW bug W/A */
-	/* L1-ASPM is enabled by BIOS */
-	if ((lctl & PCI_CFG_LINK_CTRL_VAL_L1_EN) == PCI_CFG_LINK_CTRL_VAL_L1_EN)
-		/* L1-APSM enabled: disable L0S  */
-		iwl_set_bit(priv, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_ENABLED);
-	else
-		/* L1-ASPM disabled: enable L0S */
-		iwl_clear_bit(priv, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_ENABLED);
-
 	radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG);
 
 	/* write radio config values to register */
@@ -1488,7 +1430,7 @@ struct iwl_lib_ops iwl5000_lib = {
 	.send_tx_power = iwl5000_send_tx_power,
 	.update_chain_flags = iwl_update_chain_flags,
 	.apm_ops = {
-		.init =	iwl5000_apm_init,
+		.init = iwl_apm_init,
 		.stop = iwl_apm_stop,
 		.config = iwl5000_nic_config,
 		.set_pwr_src = iwl_set_pwr_src,
@@ -1539,7 +1481,7 @@ static struct iwl_lib_ops iwl5150_lib = {
 	.send_tx_power = iwl5000_send_tx_power,
 	.update_chain_flags = iwl_update_chain_flags,
 	.apm_ops = {
-		.init =	iwl5000_apm_init,
+		.init = iwl_apm_init,
 		.stop = iwl_apm_stop,
 		.config = iwl5000_nic_config,
 		.set_pwr_src = iwl_set_pwr_src,
@@ -1607,7 +1549,9 @@ struct iwl_cfg iwl5300_agn_cfg = {
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_ABC,
 	.valid_rx_ant = ANT_ABC,
-	.need_pll_cfg = true,
+	.pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
+	.set_l0s = true,
+	.use_bsm = false,
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
@@ -1628,7 +1572,9 @@ struct iwl_cfg iwl5100_bg_cfg = {
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_B,
 	.valid_rx_ant = ANT_AB,
-	.need_pll_cfg = true,
+	.pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
+	.set_l0s = true,
+	.use_bsm = false,
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
@@ -1649,7 +1595,9 @@ struct iwl_cfg iwl5100_abg_cfg = {
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_B,
 	.valid_rx_ant = ANT_AB,
-	.need_pll_cfg = true,
+	.pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
+	.set_l0s = true,
+	.use_bsm = false,
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
@@ -1670,7 +1618,9 @@ struct iwl_cfg iwl5100_agn_cfg = {
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_B,
 	.valid_rx_ant = ANT_AB,
-	.need_pll_cfg = true,
+	.pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
+	.set_l0s = true,
+	.use_bsm = false,
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
@@ -1691,7 +1641,9 @@ struct iwl_cfg iwl5350_agn_cfg = {
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_ABC,
 	.valid_rx_ant = ANT_ABC,
-	.need_pll_cfg = true,
+	.pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
+	.set_l0s = true,
+	.use_bsm = false,
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
@@ -1712,7 +1664,9 @@ struct iwl_cfg iwl5150_agn_cfg = {
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_A,
 	.valid_rx_ant = ANT_AB,
-	.need_pll_cfg = true,
+	.pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
+	.set_l0s = true,
+	.use_bsm = false,
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index b5318132448..5211872da88 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -193,7 +193,7 @@ static struct iwl_lib_ops iwl6000_lib = {
 	.send_tx_power = iwl5000_send_tx_power,
 	.update_chain_flags = iwl_update_chain_flags,
 	.apm_ops = {
-		.init =	iwl5000_apm_init,
+		.init = iwl_apm_init,
 		.stop = iwl_apm_stop,
 		.config = iwl6000_nic_config,
 		.set_pwr_src = iwl_set_pwr_src,
@@ -266,7 +266,9 @@ struct iwl_cfg iwl6000h_2agn_cfg = {
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_AB,
 	.valid_rx_ant = ANT_AB,
-	.need_pll_cfg = false,
+	.pll_cfg_val = 0,
+	.set_l0s = false,
+	.use_bsm = false,
 	.pa_type = IWL_PA_HYBRID,
 	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
 	.shadow_ram_support = true,
@@ -292,7 +294,9 @@ struct iwl_cfg iwl6000h_2abg_cfg = {
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_AB,
 	.valid_rx_ant = ANT_AB,
-	.need_pll_cfg = false,
+	.pll_cfg_val = 0,
+	.set_l0s = false,
+	.use_bsm = false,
 	.pa_type = IWL_PA_HYBRID,
 	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
 	.shadow_ram_support = true,
@@ -317,7 +321,9 @@ struct iwl_cfg iwl6000h_2bg_cfg = {
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_AB,
 	.valid_rx_ant = ANT_AB,
-	.need_pll_cfg = false,
+	.pll_cfg_val = 0,
+	.set_l0s = false,
+	.use_bsm = false,
 	.pa_type = IWL_PA_HYBRID,
 	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
 	.shadow_ram_support = true,
@@ -345,7 +351,9 @@ struct iwl_cfg iwl6000i_2agn_cfg = {
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_BC,
 	.valid_rx_ant = ANT_BC,
-	.need_pll_cfg = false,
+	.pll_cfg_val = 0,
+	.set_l0s = false,
+	.use_bsm = false,
 	.pa_type = IWL_PA_INTERNAL,
 	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
 	.shadow_ram_support = true,
@@ -371,7 +379,9 @@ struct iwl_cfg iwl6000i_2abg_cfg = {
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_BC,
 	.valid_rx_ant = ANT_BC,
-	.need_pll_cfg = false,
+	.pll_cfg_val = 0,
+	.set_l0s = false,
+	.use_bsm = false,
 	.pa_type = IWL_PA_INTERNAL,
 	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
 	.shadow_ram_support = true,
@@ -396,7 +406,9 @@ struct iwl_cfg iwl6000i_2bg_cfg = {
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_BC,
 	.valid_rx_ant = ANT_BC,
-	.need_pll_cfg = false,
+	.pll_cfg_val = 0,
+	.set_l0s = false,
+	.use_bsm = false,
 	.pa_type = IWL_PA_INTERNAL,
 	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
 	.shadow_ram_support = true,
@@ -421,7 +433,9 @@ struct iwl_cfg iwl6050_2agn_cfg = {
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_AB,
 	.valid_rx_ant = ANT_AB,
-	.need_pll_cfg = false,
+	.pll_cfg_val = 0,
+	.set_l0s = false,
+	.use_bsm = false,
 	.pa_type = IWL_PA_SYSTEM,
 	.max_ll_items = OTP_MAX_LL_ITEMS_6x50,
 	.shadow_ram_support = true,
@@ -447,7 +461,9 @@ struct iwl_cfg iwl6050_2abg_cfg = {
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_AB,
 	.valid_rx_ant = ANT_AB,
-	.need_pll_cfg = false,
+	.pll_cfg_val = 0,
+	.set_l0s = false,
+	.use_bsm = false,
 	.pa_type = IWL_PA_SYSTEM,
 	.max_ll_items = OTP_MAX_LL_ITEMS_6x50,
 	.shadow_ram_support = true,
@@ -472,7 +488,9 @@ struct iwl_cfg iwl6000_3agn_cfg = {
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_ABC,
 	.valid_rx_ant = ANT_ABC,
-	.need_pll_cfg = false,
+	.pll_cfg_val = 0,
+	.set_l0s = false,
+	.use_bsm = false,
 	.pa_type = IWL_PA_SYSTEM,
 	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
 	.shadow_ram_support = true,
@@ -498,7 +516,9 @@ struct iwl_cfg iwl6050_3agn_cfg = {
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_ABC,
 	.valid_rx_ant = ANT_ABC,
-	.need_pll_cfg = false,
+	.pll_cfg_val = 0,
+	.set_l0s = false,
+	.use_bsm = false,
 	.pa_type = IWL_PA_SYSTEM,
 	.max_ll_items = OTP_MAX_LL_ITEMS_6x50,
 	.shadow_ram_support = true,
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 7ce8663fdb7..1d7248cd196 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1369,6 +1369,8 @@ void iwl_apm_stop(struct iwl_priv *priv)
 {
 	unsigned long flags;
 
+	IWL_DEBUG_INFO(priv, "Stop card, put in low power state\n");
+
 	iwl_apm_stop_master(priv);
 
 	spin_lock_irqsave(&priv->lock, flags);
@@ -1382,6 +1384,118 @@ void iwl_apm_stop(struct iwl_priv *priv)
 }
 EXPORT_SYMBOL(iwl_apm_stop);
 
+
+/*
+ * Start up NIC's basic functionality after it has been reset
+ * (e.g. after platform boot, or shutdown via iwl_apm_stop())
+ * NOTE:  This does not load uCode nor start the embedded processor
+ */
+int iwl_apm_init(struct iwl_priv *priv)
+{
+	int ret = 0;
+	u16 lctl;
+
+	IWL_DEBUG_INFO(priv, "Init card's basic functions\n");
+
+	/*
+	 * Use "set_bit" below rather than "write", to preserve any hardware
+	 * bits already set by default after reset.
+	 */
+
+	/* Disable L0S exit timer (platform NMI Work/Around) */
+	iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS,
+			  CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER);
+
+	/*
+	 * Disable L0s without affecting L1;
+	 *  don't wait for ICH L0s (ICH bug W/A)
+	 */
+	iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS,
+			  CSR_GIO_CHICKEN_BITS_REG_BIT_L1A_NO_L0S_RX);
+
+	/* Set FH wait threshold to maximum (HW error during stress W/A) */
+	iwl_set_bit(priv, CSR_DBG_HPET_MEM_REG, CSR_DBG_HPET_MEM_REG_VAL);
+
+	/*
+	 * Enable HAP INTA (interrupt from management bus) to
+	 * wake device's PCI Express link L1a -> L0s
+	 * NOTE:  This is no-op for 3945 (non-existant bit)
+	 */
+	iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
+				    CSR_HW_IF_CONFIG_REG_BIT_HAP_WAKE_L1A);
+
+	/*
+	 * HW bug W/A - costs negligible power consumption ...
+	 * Check if BIOS (or OS) enabled L1-ASPM on this device
+	 */
+	if (priv->cfg->set_l0s) {
+		lctl = iwl_pcie_link_ctl(priv);
+		if ((lctl & PCI_CFG_LINK_CTRL_VAL_L1_EN) ==
+					PCI_CFG_LINK_CTRL_VAL_L1_EN) {
+			/* L1-ASPM enabled; disable(!) L0S  */
+			iwl_set_bit(priv, CSR_GIO_REG,
+					CSR_GIO_REG_VAL_L0S_ENABLED);
+			IWL_DEBUG_POWER(priv, "L1 Enabled; Disabling L0S\n");
+		} else {
+			/* L1-ASPM disabled; enable(!) L0S */
+			iwl_clear_bit(priv, CSR_GIO_REG,
+					CSR_GIO_REG_VAL_L0S_ENABLED);
+			IWL_DEBUG_POWER(priv, "L1 Disabled; Enabling L0S\n");
+		}
+	}
+
+	/* Configure analog phase-lock-loop before activating to D0A */
+	if (priv->cfg->pll_cfg_val)
+		iwl_set_bit(priv, CSR_ANA_PLL_CFG, priv->cfg->pll_cfg_val);
+
+	/*
+	 * Set "initialization complete" bit to move adapter from
+	 * D0U* --> D0A* (powered-up active) state.
+	 */
+	iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
+
+	/*
+	 * Wait for clock stabilization; once stabilized, access to
+	 * device-internal resources is supported, e.g. iwl_write_prph()
+	 * and accesses to uCode SRAM.
+	 */
+	ret = iwl_poll_bit(priv, CSR_GP_CNTRL,
+			CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
+			CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
+	if (ret < 0) {
+		IWL_DEBUG_INFO(priv, "Failed to init the card\n");
+		goto out;
+	}
+
+	/*
+	 * Enable DMA and BSM (if used) clocks, wait for them to stabilize.
+	 * BSM (Boostrap State Machine) is only in 3945 and 4965;
+	 * later devices (i.e. 5000 and later) have non-volatile SRAM,
+	 * and don't need BSM to restore data after power-saving sleep.
+	 *
+	 * Write to "CLK_EN_REG"; "1" bits enable clocks, while "0" bits
+	 * do not disable clocks.  This preserves any hardware bits already
+	 * set by default in "CLK_CTRL_REG" after reset.
+	 */
+	if (priv->cfg->use_bsm)
+		iwl_write_prph(priv, APMG_CLK_EN_REG,
+			APMG_CLK_VAL_DMA_CLK_RQT | APMG_CLK_VAL_BSM_CLK_RQT);
+	else
+		iwl_write_prph(priv, APMG_CLK_EN_REG,
+			APMG_CLK_VAL_DMA_CLK_RQT);
+	udelay(20);
+
+	/* Disable L1-Active */
+	iwl_set_bits_prph(priv, APMG_PCIDEV_STT_REG,
+			  APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
+
+out:
+	return ret;
+}
+EXPORT_SYMBOL(iwl_apm_init);
+
+
+
 void iwl_configure_filter(struct ieee80211_hw *hw,
 			  unsigned int changed_flags,
 			  unsigned int *total_flags,
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index a2a580df3d9..a2d526a7b4c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -262,7 +262,12 @@ struct iwl_cfg {
 	const struct iwl_mod_params *mod_params;
 	u8   valid_tx_ant;
 	u8   valid_rx_ant;
-	bool need_pll_cfg;
+
+	/* for iwl_apm_init() */
+	u32 pll_cfg_val;
+	bool set_l0s;
+	bool use_bsm;
+
 	bool use_isr_legacy;
 	enum iwl_pa_type pa_type;
 	const u16 max_ll_items;
@@ -663,6 +668,7 @@ void iwl_rx_reply_compressed_ba(struct iwl_priv *priv,
 					   struct iwl_rx_mem_buffer *rxb);
 void iwl_apm_stop(struct iwl_priv *priv);
 int iwl_apm_stop_master(struct iwl_priv *priv);
+int iwl_apm_init(struct iwl_priv *priv);
 
 void iwl_setup_rxon_timing(struct iwl_priv *priv);
 static inline int iwl_send_rxon_assoc(struct iwl_priv *priv)
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 6ba082d6ab1..1378654801c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -85,7 +85,6 @@ extern void iwl5000_rts_tx_cmd_flag(struct ieee80211_tx_info *info,
 				    __le32 *tx_flags);
 extern int iwl5000_calc_rssi(struct iwl_priv *priv,
 			     struct iwl_rx_phy_res *rx_resp);
-extern int iwl5000_apm_init(struct iwl_priv *priv);
 extern void iwl5000_nic_config(struct iwl_priv *priv);
 extern u16 iwl5000_eeprom_calib_version(struct iwl_priv *priv);
 extern const u8 *iwl5000_eeprom_query_addr(const struct iwl_priv *priv,
-- 
GitLab


From 1ed2a3d29ac304092f588a47a9ed2b83d4d8c835 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 23 Oct 2009 13:42:22 -0700
Subject: [PATCH 0596/1815] iwlwifi: separate led function from statistic
 notification

Detach led background task from statistic notification routine. if led
blinking is required; the blink rate is based on the traffic condition.
It do not relate to statistics notification. In addition to that, there is
not a requirement for statistics notification has to occur all the time.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-3945.c | 2 --
 drivers/net/wireless/iwlwifi/iwl-agn.c  | 2 ++
 drivers/net/wireless/iwlwifi/iwl-rx.c   | 3 ---
 3 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 7142aa5dbdb..269b9889e39 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -359,8 +359,6 @@ void iwl3945_hw_rx_statistics(struct iwl_priv *priv,
 		     le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK);
 
 	memcpy(&priv->statistics_39, pkt->u.raw, sizeof(priv->statistics_39));
-
-	iwl_leds_background(priv);
 }
 
 /******************************************************************************
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 64d918787e8..a34acb7e44c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1019,6 +1019,7 @@ static void iwl_irq_tasklet_legacy(struct iwl_priv *priv)
 	if (inta & (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX)) {
 		iwl_rx_handle(priv);
 		priv->isr_stats.rx++;
+		iwl_leds_background(priv);
 		handled |= (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX);
 	}
 
@@ -1220,6 +1221,7 @@ static void iwl_irq_tasklet(struct iwl_priv *priv)
 				    CSR_INT_PERIODIC_ENA);
 
 		priv->isr_stats.rx++;
+		iwl_leds_background(priv);
 	}
 
 	if (inta & CSR_INT_BIT_FH_TX) {
diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c
index 0a407f79de0..cfc31ae4712 100644
--- a/drivers/net/wireless/iwlwifi/iwl-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-rx.c
@@ -627,9 +627,6 @@ void iwl_rx_statistics(struct iwl_priv *priv,
 		iwl_rx_calc_noise(priv);
 		queue_work(priv->workqueue, &priv->run_time_calib_work);
 	}
-
-	iwl_leds_background(priv);
-
 	if (priv->cfg->ops->lib->temp_ops.temperature && change)
 		priv->cfg->ops->lib->temp_ops.temperature(priv);
 }
-- 
GitLab


From 456d0f76727ba6f97aa1cee63f1bae84642768c4 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 23 Oct 2009 13:42:23 -0700
Subject: [PATCH 0597/1815] iwlwifi: update bt co-exit configuration parameter

Adding parameter ranges for bt co-exist configuration command.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-commands.h | 13 +++++++++++++
 drivers/net/wireless/iwlwifi/iwl-core.c     |  6 +++---
 2 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 1a7c0d02c19..0d660a7475a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -2218,6 +2218,19 @@ struct iwl_link_quality_cmd {
 	__le32 reserved2;
 } __attribute__ ((packed));
 
+#define BT_COEX_DISABLE (0x0)
+#define BT_COEX_MODE_2W (0x1)
+#define BT_COEX_MODE_3W (0x2)
+#define BT_COEX_MODE_4W (0x3)
+
+#define BT_LEAD_TIME_MIN (0x0)
+#define BT_LEAD_TIME_DEF (0x1E)
+#define BT_LEAD_TIME_MAX (0xFF)
+
+#define BT_MAX_KILL_MIN (0x1)
+#define BT_MAX_KILL_DEF (0x5)
+#define BT_MAX_KILL_MAX (0xFF)
+
 /*
  * REPLY_BT_CONFIG = 0x9b (command, has simple generic response)
  *
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 1d7248cd196..77b9825f79b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -2003,9 +2003,9 @@ EXPORT_SYMBOL(iwl_isr_legacy);
 int iwl_send_bt_config(struct iwl_priv *priv)
 {
 	struct iwl_bt_cmd bt_cmd = {
-		.flags = 3,
-		.lead_time = 0xAA,
-		.max_kill = 1,
+		.flags = BT_COEX_MODE_4W,
+		.lead_time = BT_LEAD_TIME_DEF,
+		.max_kill = BT_MAX_KILL_DEF,
 		.kill_ack_mask = 0,
 		.kill_cts_mask = 0,
 	};
-- 
GitLab


From 52aa081c40324ecb04a47864e4e56dafc5a72a34 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 23 Oct 2009 13:42:24 -0700
Subject: [PATCH 0598/1815] iwlwifi: specify the valid tx/rx chain in device
 config structure

Specify both Tx and Rx chain in device configuration structure instead
of hard code in set_hw_params() for 4965

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-4965.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index 32d5f3de429..bd856df5b04 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -653,10 +653,10 @@ static int iwl4965_hw_set_hw_params(struct iwl_priv *priv)
 
 	priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR;
 
-	priv->hw_params.tx_chains_num = 2;
-	priv->hw_params.rx_chains_num = 2;
-	priv->hw_params.valid_tx_ant = ANT_A | ANT_B;
-	priv->hw_params.valid_rx_ant = ANT_A | ANT_B;
+	priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
+	priv->hw_params.rx_chains_num = num_of_ant(priv->cfg->valid_rx_ant);
+	priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant;
+	priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant;
 	if (priv->cfg->ops->lib->temp_ops.set_ct_kill)
 		priv->cfg->ops->lib->temp_ops.set_ct_kill(priv);
 
@@ -2225,6 +2225,8 @@ struct iwl_cfg iwl4965_agn_cfg = {
 	.num_of_queues = IWL49_NUM_QUEUES,
 	.num_of_ampdu_queues = IWL49_NUM_AMPDU_QUEUES,
 	.mod_params = &iwl4965_mod_params,
+	.valid_tx_ant = ANT_AB,
+	.valid_rx_ant = ANT_AB,
 	.pll_cfg_val = 0,
 	.set_l0s = true,
 	.use_bsm = true,
-- 
GitLab


From 29b1b2688fd71346f78f175d9669c006686b6dc3 Mon Sep 17 00:00:00 2001
From: Zhu Yi <yi.zhu@intel.com>
Date: Fri, 23 Oct 2009 13:42:25 -0700
Subject: [PATCH 0599/1815] iwlwifi: fix use after free bug for paged rx

In the paged rx patch (4854fde2), I introduced a bug that could possibly
touch an already freed page. It is fixed by avoiding the access in this
patch. I've also added some comments so that other people touching the
code won't make the same mistake. In the future, if we cannot avoid
access the page after being handled to the upper layer, we can use
get_page/put_page to handle it. For now, it's just not necessary.

It also fixed a debug message print bug reported by Stanislaw Gruszka
<sgruszka@redhat.com>.

Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-3945.c     | 15 ++++++++++-----
 drivers/net/wireless/iwlwifi/iwl-agn.c      | 11 +++++++++--
 drivers/net/wireless/iwlwifi/iwl-rx.c       | 21 ++++++++++++++-------
 drivers/net/wireless/iwlwifi/iwl3945-base.c | 18 +++++++++++++-----
 4 files changed, 46 insertions(+), 19 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 269b9889e39..f5d75288bd2 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -548,6 +548,7 @@ static void iwl3945_pass_packet_to_mac80211(struct iwl_priv *priv,
 	u16 len = le16_to_cpu(rx_hdr->len);
 	struct sk_buff *skb;
 	int ret;
+	__le16 fc = hdr->frame_control;
 
 	/* We received data from the HW, so stop the watchdog */
 	if (unlikely(len + IWL39_RX_FRAME_SIZE >
@@ -580,9 +581,9 @@ static void iwl3945_pass_packet_to_mac80211(struct iwl_priv *priv,
 	/* mac80211 currently doesn't support paged SKB. Convert it to
 	 * linear SKB for management frame and data frame requires
 	 * software decryption or software defragementation. */
-	if (ieee80211_is_mgmt(hdr->frame_control) ||
-	    ieee80211_has_protected(hdr->frame_control) ||
-	    ieee80211_has_morefrags(hdr->frame_control) ||
+	if (ieee80211_is_mgmt(fc) ||
+	    ieee80211_has_protected(fc) ||
+	    ieee80211_has_morefrags(fc) ||
 	    le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG)
 		ret = skb_linearize(skb);
 	else
@@ -594,11 +595,15 @@ static void iwl3945_pass_packet_to_mac80211(struct iwl_priv *priv,
 		goto out;
 	}
 
-	iwl_update_stats(priv, false, hdr->frame_control, len);
+	/*
+	 * XXX: We cannot touch the page and its virtual memory (pkt) after
+	 * here. It might have already been freed by the above skb change.
+	 */
 
+	iwl_update_stats(priv, false, fc, len);
 	memcpy(IEEE80211_SKB_RXCB(skb), stats, sizeof(*stats));
-	ieee80211_rx(priv->hw, skb);
 
+	ieee80211_rx(priv->hw, skb);
  out:
 	priv->alloc_rxb_page--;
 	rxb->page = NULL;
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index a34acb7e44c..0d388650520 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -814,8 +814,8 @@ void iwl_rx_handle(struct iwl_priv *priv)
 		if (priv->rx_handlers[pkt->hdr.cmd]) {
 			IWL_DEBUG_RX(priv, "r = %d, i = %d, %s, 0x%02x\n", r,
 				i, get_cmd_string(pkt->hdr.cmd), pkt->hdr.cmd);
-			priv->rx_handlers[pkt->hdr.cmd] (priv, rxb);
 			priv->isr_stats.rx_handlers[pkt->hdr.cmd]++;
+			priv->rx_handlers[pkt->hdr.cmd] (priv, rxb);
 		} else {
 			/* No handling needed */
 			IWL_DEBUG_RX(priv,
@@ -824,11 +824,18 @@ void iwl_rx_handle(struct iwl_priv *priv)
 				pkt->hdr.cmd);
 		}
 
+		/*
+		 * XXX: After here, we should always check rxb->page
+		 * against NULL before touching it or its virtual
+		 * memory (pkt). Because some rx_handler might have
+		 * already taken or freed the pages.
+		 */
+
 		if (reclaim) {
 			/* Invoke any callbacks, transfer the buffer to caller,
 			 * and fire off the (possibly) blocking iwl_send_cmd()
 			 * as we reclaim the driver command queue */
-			if (rxb && rxb->page)
+			if (rxb->page)
 				iwl_tx_cmd_complete(priv, rxb);
 			else
 				IWL_WARN(priv, "Claim null rxb?\n");
diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c
index cfc31ae4712..e5339c9ad13 100644
--- a/drivers/net/wireless/iwlwifi/iwl-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-rx.c
@@ -241,6 +241,7 @@ void iwl_rx_allocate(struct iwl_priv *priv, gfp_t priority)
 	struct iwl_rx_mem_buffer *rxb;
 	struct page *page;
 	unsigned long flags;
+	gfp_t gfp_mask = priority;
 
 	while (1) {
 		spin_lock_irqsave(&rxq->lock, flags);
@@ -251,13 +252,13 @@ void iwl_rx_allocate(struct iwl_priv *priv, gfp_t priority)
 		spin_unlock_irqrestore(&rxq->lock, flags);
 
 		if (rxq->free_count > RX_LOW_WATERMARK)
-			priority |= __GFP_NOWARN;
+			gfp_mask |= __GFP_NOWARN;
 
 		if (priv->hw_params.rx_page_order > 0)
-			priority |= __GFP_COMP;
+			gfp_mask |= __GFP_COMP;
 
 		/* Alloc a new receive buffer */
-		page = alloc_pages(priority, priv->hw_params.rx_page_order);
+		page = alloc_pages(gfp_mask, priv->hw_params.rx_page_order);
 		if (!page) {
 			if (net_ratelimit())
 				IWL_DEBUG_INFO(priv, "alloc_pages failed, "
@@ -922,6 +923,7 @@ static void iwl_pass_packet_to_mac80211(struct iwl_priv *priv,
 {
 	struct sk_buff *skb;
 	int ret = 0;
+	__le16 fc = hdr->frame_control;
 
 	/* We only process data packets if the interface is open */
 	if (unlikely(!priv->is_open)) {
@@ -946,9 +948,9 @@ static void iwl_pass_packet_to_mac80211(struct iwl_priv *priv,
 	/* mac80211 currently doesn't support paged SKB. Convert it to
 	 * linear SKB for management frame and data frame requires
 	 * software decryption or software defragementation. */
-	if (ieee80211_is_mgmt(hdr->frame_control) ||
-	    ieee80211_has_protected(hdr->frame_control) ||
-	    ieee80211_has_morefrags(hdr->frame_control) ||
+	if (ieee80211_is_mgmt(fc) ||
+	    ieee80211_has_protected(fc) ||
+	    ieee80211_has_morefrags(fc) ||
 	    le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG)
 		ret = skb_linearize(skb);
 	else
@@ -960,7 +962,12 @@ static void iwl_pass_packet_to_mac80211(struct iwl_priv *priv,
 		goto out;
 	}
 
-	iwl_update_stats(priv, false, hdr->frame_control, len);
+	/*
+	 * XXX: We cannot touch the page and its virtual memory (hdr) after
+	 * here. It might have already been freed by the above skb change.
+	 */
+
+	iwl_update_stats(priv, false, fc, len);
 	memcpy(IEEE80211_SKB_RXCB(skb), stats, sizeof(*stats));
 
 	ieee80211_rx(priv->hw, skb);
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 5977a57a234..8b08bdc10bc 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -1124,6 +1124,7 @@ static void iwl3945_rx_allocate(struct iwl_priv *priv, gfp_t priority)
 	struct iwl_rx_mem_buffer *rxb;
 	struct page *page;
 	unsigned long flags;
+	gfp_t gfp_mask = priority;
 
 	while (1) {
 		spin_lock_irqsave(&rxq->lock, flags);
@@ -1135,13 +1136,13 @@ static void iwl3945_rx_allocate(struct iwl_priv *priv, gfp_t priority)
 		spin_unlock_irqrestore(&rxq->lock, flags);
 
 		if (rxq->free_count > RX_LOW_WATERMARK)
-			priority |= __GFP_NOWARN;
+			gfp_mask |= __GFP_NOWARN;
 
 		if (priv->hw_params.rx_page_order > 0)
-			priority |= __GFP_COMP;
+			gfp_mask |= __GFP_COMP;
 
 		/* Alloc a new receive buffer */
-		page = alloc_pages(priority, priv->hw_params.rx_page_order);
+		page = alloc_pages(gfp_mask, priv->hw_params.rx_page_order);
 		if (!page) {
 			if (net_ratelimit())
 				IWL_DEBUG_INFO(priv, "Failed to allocate SKB buffer.\n");
@@ -1410,8 +1411,8 @@ static void iwl3945_rx_handle(struct iwl_priv *priv)
 		if (priv->rx_handlers[pkt->hdr.cmd]) {
 			IWL_DEBUG_RX(priv, "r = %d, i = %d, %s, 0x%02x\n", r, i,
 				get_cmd_string(pkt->hdr.cmd), pkt->hdr.cmd);
-			priv->rx_handlers[pkt->hdr.cmd] (priv, rxb);
 			priv->isr_stats.rx_handlers[pkt->hdr.cmd]++;
+			priv->rx_handlers[pkt->hdr.cmd] (priv, rxb);
 		} else {
 			/* No handling needed */
 			IWL_DEBUG_RX(priv,
@@ -1420,11 +1421,18 @@ static void iwl3945_rx_handle(struct iwl_priv *priv)
 				pkt->hdr.cmd);
 		}
 
+		/*
+		 * XXX: After here, we should always check rxb->page
+		 * against NULL before touching it or its virtual
+		 * memory (pkt). Because some rx_handler might have
+		 * already taken or freed the pages.
+		 */
+
 		if (reclaim) {
 			/* Invoke any callbacks, transfer the buffer to caller,
 			 * and fire off the (possibly) blocking iwl_send_cmd()
 			 * as we reclaim the driver command queue */
-			if (rxb && rxb->page)
+			if (rxb->page)
 				iwl_tx_cmd_complete(priv, rxb);
 			else
 				IWL_WARN(priv, "Claim null rxb?\n");
-- 
GitLab


From c8c24872c6a90ef0298491a1c14326861ab74cab Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 23 Oct 2009 13:42:26 -0700
Subject: [PATCH 0600/1815] iwlwifi: increase max tfd payload size

Increase the size of TFD_MAX_PAYLOAD_SIZE (the size of iwl_device_cmd)
to accommodate iwl6000_channel_switch_cmd data structure.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Acked-by: Ben Cahill <ben.m.cahill@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-dev.h | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 1378654801c..b520e551f7f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -364,7 +364,7 @@ enum {
 	CMD_WANT_SKB = (1 << 2),
 };
 
-#define IWL_CMD_MAX_PAYLOAD 320
+#define DEF_CMD_PAYLOAD_SIZE 320
 
 /*
  * IWL_LINK_HDR_MAX should include ieee80211_hdr, radiotap header,
@@ -388,7 +388,8 @@ struct iwl_device_cmd {
 		u16 val16;
 		u32 val32;
 		struct iwl_tx_cmd tx;
-		u8 payload[IWL_CMD_MAX_PAYLOAD];
+		struct iwl6000_channel_switch_cmd chswitch;
+		u8 payload[DEF_CMD_PAYLOAD_SIZE];
 	} __attribute__ ((packed)) cmd;
 } __attribute__ ((packed));
 
@@ -741,7 +742,11 @@ static inline int iwl_queue_used(const struct iwl_queue *q, int i)
 
 static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge)
 {
-	/* This is for scan command, the big buffer at end of command array */
+	/*
+	 * This is for init calibration result and scan command which
+	 * required buffer > TFD_MAX_PAYLOAD_SIZE,
+	 * the big buffer at end of command array
+	 */
 	if (is_huge)
 		return q->n_window;	/* must be power of 2 */
 
-- 
GitLab


From 6047b4f939682ae9bf839fd00c80029cb8f073bb Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 23 Oct 2009 13:42:27 -0700
Subject: [PATCH 0601/1815] iwlwifi: choose thermal throttle method based on
 device config

Using device configuration structure to decide the type of thermal
throttle method for the device.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-6000.c  | 10 ++++++++++
 drivers/net/wireless/iwlwifi/iwl-core.h  |  2 ++
 drivers/net/wireless/iwlwifi/iwl-power.c |  8 ++------
 3 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index 5211872da88..0873322755a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -277,6 +277,7 @@ struct iwl_cfg iwl6000h_2agn_cfg = {
 	.use_rts_for_ht = true, /* use rts/cts protection */
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
+	.adv_thermal_throttle = true,
 };
 
 struct iwl_cfg iwl6000h_2abg_cfg = {
@@ -304,6 +305,7 @@ struct iwl_cfg iwl6000h_2abg_cfg = {
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
+	.adv_thermal_throttle = true,
 };
 
 struct iwl_cfg iwl6000h_2bg_cfg = {
@@ -331,6 +333,7 @@ struct iwl_cfg iwl6000h_2bg_cfg = {
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
+	.adv_thermal_throttle = true,
 };
 
 /*
@@ -362,6 +365,7 @@ struct iwl_cfg iwl6000i_2agn_cfg = {
 	.use_rts_for_ht = true, /* use rts/cts protection */
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
+	.adv_thermal_throttle = true,
 };
 
 struct iwl_cfg iwl6000i_2abg_cfg = {
@@ -389,6 +393,7 @@ struct iwl_cfg iwl6000i_2abg_cfg = {
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
+	.adv_thermal_throttle = true,
 };
 
 struct iwl_cfg iwl6000i_2bg_cfg = {
@@ -416,6 +421,7 @@ struct iwl_cfg iwl6000i_2bg_cfg = {
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
+	.adv_thermal_throttle = true,
 };
 
 struct iwl_cfg iwl6050_2agn_cfg = {
@@ -444,6 +450,7 @@ struct iwl_cfg iwl6050_2agn_cfg = {
 	.use_rts_for_ht = true, /* use rts/cts protection */
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
+	.adv_thermal_throttle = true,
 };
 
 struct iwl_cfg iwl6050_2abg_cfg = {
@@ -471,6 +478,7 @@ struct iwl_cfg iwl6050_2abg_cfg = {
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
+	.adv_thermal_throttle = true,
 };
 
 struct iwl_cfg iwl6000_3agn_cfg = {
@@ -499,6 +507,7 @@ struct iwl_cfg iwl6000_3agn_cfg = {
 	.use_rts_for_ht = true, /* use rts/cts protection */
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
+	.adv_thermal_throttle = true,
 };
 
 struct iwl_cfg iwl6050_3agn_cfg = {
@@ -527,6 +536,7 @@ struct iwl_cfg iwl6050_3agn_cfg = {
 	.use_rts_for_ht = true, /* use rts/cts protection */
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
+	.adv_thermal_throttle = true,
 };
 
 MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX));
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index a2d526a7b4c..9dbf59811f4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -225,6 +225,7 @@ struct iwl_mod_params {
  *	The detail algorithm is described in iwl-led.c
  * @use_rts_for_ht: use rts/cts protection for HT traffic
  * @chain_noise_num_beacons: number of beacons used to compute chain noise
+ * @adv_thermal_throttle: support advance thermal throttle
  *
  * We enable the driver to be backward compatible wrt API version. The
  * driver specifies which APIs it supports (with @ucode_api_max being the
@@ -278,6 +279,7 @@ struct iwl_cfg {
 	bool use_rts_for_ht;
 	int chain_noise_num_beacons;
 	const bool supports_idle;
+	bool adv_thermal_throttle;
 };
 
 /***************************
diff --git a/drivers/net/wireless/iwlwifi/iwl-power.c b/drivers/net/wireless/iwlwifi/iwl-power.c
index 150ff87af33..432f4650cf2 100644
--- a/drivers/net/wireless/iwlwifi/iwl-power.c
+++ b/drivers/net/wireless/iwlwifi/iwl-power.c
@@ -893,9 +893,7 @@ void iwl_tt_initialize(struct iwl_priv *priv)
 	INIT_WORK(&priv->ct_enter, iwl_bg_ct_enter);
 	INIT_WORK(&priv->ct_exit, iwl_bg_ct_exit);
 
-	switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) {
-	case CSR_HW_REV_TYPE_6x00:
-	case CSR_HW_REV_TYPE_6x50:
+	if (priv->cfg->adv_thermal_throttle) {
 		IWL_DEBUG_POWER(priv, "Advanced Thermal Throttling\n");
 		tt->restriction = kzalloc(sizeof(struct iwl_tt_restriction) *
 					 IWL_TI_STATE_MAX, GFP_KERNEL);
@@ -928,11 +926,9 @@ void iwl_tt_initialize(struct iwl_priv *priv)
 				&restriction_range[0], size);
 			priv->thermal_throttle.advanced_tt = true;
 		}
-		break;
-	default:
+	} else {
 		IWL_DEBUG_POWER(priv, "Legacy Thermal Throttling\n");
 		priv->thermal_throttle.advanced_tt = false;
-		break;
 	}
 }
 EXPORT_SYMBOL(iwl_tt_initialize);
-- 
GitLab


From 480e8407dc0bccdd8d7cfe29b8fcaaa21dd20e68 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 23 Oct 2009 13:42:28 -0700
Subject: [PATCH 0602/1815] iwlwifi: issue ct_kill host command based on device
 config

Using device configuration structure to decide how to configure
ct_kill host command.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-1000.c |  2 ++
 drivers/net/wireless/iwlwifi/iwl-6000.c | 10 ++++++++++
 drivers/net/wireless/iwlwifi/iwl-core.c |  9 ++-------
 drivers/net/wireless/iwlwifi/iwl-core.h |  2 ++
 4 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c
index 3da5913225e..3a645e485dd 100644
--- a/drivers/net/wireless/iwlwifi/iwl-1000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-1000.c
@@ -171,6 +171,7 @@ struct iwl_cfg iwl1000_bgn_cfg = {
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+	.support_ct_kill_exit = true,
 };
 
 struct iwl_cfg iwl1000_bg_cfg = {
@@ -196,6 +197,7 @@ struct iwl_cfg iwl1000_bg_cfg = {
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+	.support_ct_kill_exit = true,
 };
 
 MODULE_FIRMWARE(IWL1000_MODULE_FIRMWARE(IWL1000_UCODE_API_MAX));
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index 0873322755a..f5855293c76 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -278,6 +278,7 @@ struct iwl_cfg iwl6000h_2agn_cfg = {
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
 	.adv_thermal_throttle = true,
+	.support_ct_kill_exit = true,
 };
 
 struct iwl_cfg iwl6000h_2abg_cfg = {
@@ -306,6 +307,7 @@ struct iwl_cfg iwl6000h_2abg_cfg = {
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
 	.adv_thermal_throttle = true,
+	.support_ct_kill_exit = true,
 };
 
 struct iwl_cfg iwl6000h_2bg_cfg = {
@@ -334,6 +336,7 @@ struct iwl_cfg iwl6000h_2bg_cfg = {
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
 	.adv_thermal_throttle = true,
+	.support_ct_kill_exit = true,
 };
 
 /*
@@ -366,6 +369,7 @@ struct iwl_cfg iwl6000i_2agn_cfg = {
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
 	.adv_thermal_throttle = true,
+	.support_ct_kill_exit = true,
 };
 
 struct iwl_cfg iwl6000i_2abg_cfg = {
@@ -394,6 +398,7 @@ struct iwl_cfg iwl6000i_2abg_cfg = {
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
 	.adv_thermal_throttle = true,
+	.support_ct_kill_exit = true,
 };
 
 struct iwl_cfg iwl6000i_2bg_cfg = {
@@ -422,6 +427,7 @@ struct iwl_cfg iwl6000i_2bg_cfg = {
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
 	.adv_thermal_throttle = true,
+	.support_ct_kill_exit = true,
 };
 
 struct iwl_cfg iwl6050_2agn_cfg = {
@@ -451,6 +457,7 @@ struct iwl_cfg iwl6050_2agn_cfg = {
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
 	.adv_thermal_throttle = true,
+	.support_ct_kill_exit = true,
 };
 
 struct iwl_cfg iwl6050_2abg_cfg = {
@@ -479,6 +486,7 @@ struct iwl_cfg iwl6050_2abg_cfg = {
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
 	.adv_thermal_throttle = true,
+	.support_ct_kill_exit = true,
 };
 
 struct iwl_cfg iwl6000_3agn_cfg = {
@@ -508,6 +516,7 @@ struct iwl_cfg iwl6000_3agn_cfg = {
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
 	.adv_thermal_throttle = true,
+	.support_ct_kill_exit = true,
 };
 
 struct iwl_cfg iwl6050_3agn_cfg = {
@@ -537,6 +546,7 @@ struct iwl_cfg iwl6050_3agn_cfg = {
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
 	.adv_thermal_throttle = true,
+	.support_ct_kill_exit = true,
 };
 
 MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX));
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 77b9825f79b..e43469cfbbc 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -2165,10 +2165,7 @@ void iwl_rf_kill_ct_config(struct iwl_priv *priv)
 	spin_unlock_irqrestore(&priv->lock, flags);
 	priv->thermal_throttle.ct_kill_toggle = false;
 
-	switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) {
-	case CSR_HW_REV_TYPE_1000:
-	case CSR_HW_REV_TYPE_6x00:
-	case CSR_HW_REV_TYPE_6x50:
+	if (priv->cfg->support_ct_kill_exit) {
 		adv_cmd.critical_temperature_enter =
 			cpu_to_le32(priv->hw_params.ct_kill_threshold);
 		adv_cmd.critical_temperature_exit =
@@ -2185,8 +2182,7 @@ void iwl_rf_kill_ct_config(struct iwl_priv *priv)
 					"exit is %d\n",
 				       priv->hw_params.ct_kill_threshold,
 				       priv->hw_params.ct_kill_exit_threshold);
-		break;
-	default:
+	} else {
 		cmd.critical_temperature_R =
 			cpu_to_le32(priv->hw_params.ct_kill_threshold);
 
@@ -2199,7 +2195,6 @@ void iwl_rf_kill_ct_config(struct iwl_priv *priv)
 					"succeeded, "
 					"critical temperature is %d\n",
 					priv->hw_params.ct_kill_threshold);
-		break;
 	}
 }
 EXPORT_SYMBOL(iwl_rf_kill_ct_config);
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 9dbf59811f4..02bacc4975f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -226,6 +226,7 @@ struct iwl_mod_params {
  * @use_rts_for_ht: use rts/cts protection for HT traffic
  * @chain_noise_num_beacons: number of beacons used to compute chain noise
  * @adv_thermal_throttle: support advance thermal throttle
+ * @support_ct_kill_exit: support ct kill exit condition
  *
  * We enable the driver to be backward compatible wrt API version. The
  * driver specifies which APIs it supports (with @ucode_api_max being the
@@ -280,6 +281,7 @@ struct iwl_cfg {
 	int chain_noise_num_beacons;
 	const bool supports_idle;
 	bool adv_thermal_throttle;
+	bool support_ct_kill_exit;
 };
 
 /***************************
-- 
GitLab


From 4a56e9652ec2ffce87b099aa2fc5b4eb2d5b2666 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 23 Oct 2009 13:42:29 -0700
Subject: [PATCH 0603/1815] iwlwifi: add channel switch support to 5000 series
 and up

Support "channel switch" request by issue "channel switch" host command
to uCode.

There is no separated "channel switch" indication from mac80211,
when detected "IEEE80211_CONF_CHANGE_CHANNEL" flag in iwl_mac_config(),
if the station is in "associated" state, then assume "channel switch
announcement" IE was received by mac80211.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-3945.c |  6 -----
 drivers/net/wireless/iwlwifi/iwl-3945.h |  2 --
 drivers/net/wireless/iwlwifi/iwl-4965.c | 12 ++++++----
 drivers/net/wireless/iwlwifi/iwl-5000.c | 32 +++++++++++++++++++++++++
 drivers/net/wireless/iwlwifi/iwl-6000.c | 32 +++++++++++++++++++++++++
 drivers/net/wireless/iwlwifi/iwl-core.c | 21 ++++++++++++----
 drivers/net/wireless/iwlwifi/iwl-core.h |  1 +
 7 files changed, 89 insertions(+), 17 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index f5d75288bd2..09a7bd2c0be 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -1982,12 +1982,6 @@ static int iwl3945_commit_rxon(struct iwl_priv *priv)
 	return 0;
 }
 
-/* will add 3945 channel switch cmd handling later */
-int iwl3945_hw_channel_switch(struct iwl_priv *priv, u16 channel)
-{
-	return 0;
-}
-
 /**
  * iwl3945_reg_txpower_periodic -  called when time to check our temperature.
  *
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.h b/drivers/net/wireless/iwlwifi/iwl-3945.h
index f3907c1079f..964c01980ac 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.h
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.h
@@ -280,8 +280,6 @@ extern void iwl3945_config_ap(struct iwl_priv *priv);
  */
 extern u8 iwl3945_hw_find_station(struct iwl_priv *priv, const u8 *bssid);
 
-extern int iwl3945_hw_channel_switch(struct iwl_priv *priv, u16 channel);
-
 /*
  * Forward declare iwl-3945.c functions for iwl-base.c
  */
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index bd856df5b04..1ff465ad40d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -1433,14 +1433,13 @@ static int iwl4965_send_rxon_assoc(struct iwl_priv *priv)
 	return ret;
 }
 
-#ifdef IEEE80211_CONF_CHANNEL_SWITCH
 static int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel)
 {
 	int rc;
 	u8 band = 0;
 	bool is_ht40 = false;
 	u8 ctrl_chan_high = 0;
-	struct iwl4965_channel_switch_cmd cmd = { 0 };
+	struct iwl4965_channel_switch_cmd cmd;
 	const struct iwl_channel_info *ch_info;
 
 	band = priv->band == IEEE80211_BAND_2GHZ;
@@ -1461,8 +1460,11 @@ static int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel)
 	cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time);
 	if (ch_info)
 		cmd.expect_beacon = is_channel_radar(ch_info);
-	else
-		cmd.expect_beacon = 1;
+	else {
+		IWL_ERR(priv, "invalid channel switch from %u to %u\n",
+			priv->active_rxon.channel, channel);
+		return -EFAULT;
+	}
 
 	rc = iwl4965_fill_txpower_tbl(priv, band, channel, is_ht40,
 				      ctrl_chan_high, &cmd.tx_power);
@@ -1474,7 +1476,6 @@ static int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel)
 	rc = iwl_send_cmd_pdu(priv, REPLY_CHANNEL_SWITCH, sizeof(cmd), &cmd);
 	return rc;
 }
-#endif
 
 /**
  * iwl4965_txq_update_byte_cnt_tbl - Set up entry in Tx byte-count array
@@ -2171,6 +2172,7 @@ static struct iwl_lib_ops iwl4965_lib = {
 	.load_ucode = iwl4965_load_bsm,
 	.dump_nic_event_log = iwl_dump_nic_event_log,
 	.dump_nic_error_log = iwl_dump_nic_error_log,
+	.set_channel_switch = iwl4965_hw_channel_switch,
 	.apm_ops = {
 		.init = iwl_apm_init,
 		.stop = iwl_apm_stop,
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index a6e347b9799..d256fecc6cd 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -1382,6 +1382,36 @@ IWL5000_UCODE_GET(init_size);
 IWL5000_UCODE_GET(init_data_size);
 IWL5000_UCODE_GET(boot_size);
 
+static int iwl5000_hw_channel_switch(struct iwl_priv *priv, u16 channel)
+{
+	struct iwl5000_channel_switch_cmd cmd;
+	const struct iwl_channel_info *ch_info;
+	struct iwl_host_cmd hcmd = {
+		.id = REPLY_CHANNEL_SWITCH,
+		.len = sizeof(cmd),
+		.flags = CMD_SIZE_HUGE,
+		.data = &cmd,
+	};
+
+	IWL_DEBUG_11H(priv, "channel switch from %d to %d\n",
+		priv->active_rxon.channel, channel);
+	cmd.band = priv->band == IEEE80211_BAND_2GHZ;
+	cmd.channel = cpu_to_le16(channel);
+	cmd.rxon_flags = priv->active_rxon.flags;
+	cmd.rxon_filter_flags = priv->active_rxon.filter_flags;
+	cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time);
+	ch_info = iwl_get_channel_info(priv, priv->band, channel);
+	if (ch_info)
+		cmd.expect_beacon = is_channel_radar(ch_info);
+	else {
+		IWL_ERR(priv, "invalid channel switch from %u to %u\n",
+			priv->active_rxon.channel, channel);
+		return -EFAULT;
+	}
+
+	return iwl_send_cmd_sync(priv, &hcmd);
+}
+
 struct iwl_hcmd_ops iwl5000_hcmd = {
 	.rxon_assoc = iwl5000_send_rxon_assoc,
 	.commit_rxon = iwl_commit_rxon,
@@ -1429,6 +1459,7 @@ struct iwl_lib_ops iwl5000_lib = {
 	.alive_notify = iwl5000_alive_notify,
 	.send_tx_power = iwl5000_send_tx_power,
 	.update_chain_flags = iwl_update_chain_flags,
+	.set_channel_switch = iwl5000_hw_channel_switch,
 	.apm_ops = {
 		.init = iwl_apm_init,
 		.stop = iwl_apm_stop,
@@ -1480,6 +1511,7 @@ static struct iwl_lib_ops iwl5150_lib = {
 	.alive_notify = iwl5000_alive_notify,
 	.send_tx_power = iwl5000_send_tx_power,
 	.update_chain_flags = iwl_update_chain_flags,
+	.set_channel_switch = iwl5000_hw_channel_switch,
 	.apm_ops = {
 		.init = iwl_apm_init,
 		.stop = iwl_apm_stop,
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index f5855293c76..f5639b47668 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -172,6 +172,37 @@ static int iwl6000_hw_set_hw_params(struct iwl_priv *priv)
 	return 0;
 }
 
+static int iwl6000_hw_channel_switch(struct iwl_priv *priv, u16 channel)
+{
+	struct iwl6000_channel_switch_cmd cmd;
+	const struct iwl_channel_info *ch_info;
+	struct iwl_host_cmd hcmd = {
+		.id = REPLY_CHANNEL_SWITCH,
+		.len = sizeof(cmd),
+		.flags = CMD_SIZE_HUGE,
+		.data = &cmd,
+	};
+
+	IWL_DEBUG_11H(priv, "channel switch from %d to %d\n",
+		priv->active_rxon.channel, channel);
+
+	cmd.band = priv->band == IEEE80211_BAND_2GHZ;
+	cmd.channel = cpu_to_le16(channel);
+	cmd.rxon_flags = priv->active_rxon.flags;
+	cmd.rxon_filter_flags = priv->active_rxon.filter_flags;
+	cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time);
+	ch_info = iwl_get_channel_info(priv, priv->band, channel);
+	if (ch_info)
+		cmd.expect_beacon = is_channel_radar(ch_info);
+	else {
+		IWL_ERR(priv, "invalid channel switch from %u to %u\n",
+			priv->active_rxon.channel, channel);
+		return -EFAULT;
+	}
+
+	return iwl_send_cmd_sync(priv, &hcmd);
+}
+
 static struct iwl_lib_ops iwl6000_lib = {
 	.set_hw_params = iwl6000_hw_set_hw_params,
 	.txq_update_byte_cnt_tbl = iwl5000_txq_update_byte_cnt_tbl,
@@ -192,6 +223,7 @@ static struct iwl_lib_ops iwl6000_lib = {
 	.alive_notify = iwl5000_alive_notify,
 	.send_tx_power = iwl5000_send_tx_power,
 	.update_chain_flags = iwl_update_chain_flags,
+	.set_channel_switch = iwl6000_hw_channel_switch,
 	.apm_ops = {
 		.init = iwl_apm_init,
 		.stop = iwl_apm_stop,
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index e43469cfbbc..d2b56baf98f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1284,10 +1284,15 @@ void iwl_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
 	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	struct iwl_rxon_cmd *rxon = (void *)&priv->active_rxon;
 	struct iwl_csa_notification *csa = &(pkt->u.csa_notif);
-	IWL_DEBUG_11H(priv, "CSA notif: channel %d, status %d\n",
-		      le16_to_cpu(csa->channel), le32_to_cpu(csa->status));
-	rxon->channel = csa->channel;
-	priv->staging_rxon.channel = csa->channel;
+
+	if (!le32_to_cpu(csa->status)) {
+		rxon->channel = csa->channel;
+		priv->staging_rxon.channel = csa->channel;
+		IWL_DEBUG_11H(priv, "CSA notif: channel %d\n",
+		      le16_to_cpu(csa->channel));
+	} else
+		IWL_ERR(priv, "CSA notif (fail) : channel %d\n",
+		      le16_to_cpu(csa->channel));
 }
 EXPORT_SYMBOL(iwl_rx_csa);
 
@@ -2714,6 +2719,14 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed)
 			goto set_ch_out;
 		}
 
+		if (iwl_is_associated(priv) &&
+		    (le16_to_cpu(priv->active_rxon.channel) != ch) &&
+		    priv->cfg->ops->lib->set_channel_switch) {
+			ret = priv->cfg->ops->lib->set_channel_switch(priv,
+				ch);
+			goto out;
+		}
+
 		spin_lock_irqsave(&priv->lock, flags);
 
 		/* Configure HT40 channels */
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 02bacc4975f..b875dcfca2d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -169,6 +169,7 @@ struct iwl_lib_ops {
 	int (*load_ucode)(struct iwl_priv *priv);
 	void (*dump_nic_event_log)(struct iwl_priv *priv);
 	void (*dump_nic_error_log)(struct iwl_priv *priv);
+	int (*set_channel_switch)(struct iwl_priv *priv, u16 channel);
 	/* power management */
 	struct iwl_apm_ops apm_ops;
 
-- 
GitLab


From 6c5cd9d524a3393f6450ee523f4a942d4404f7de Mon Sep 17 00:00:00 2001
From: Reinette Chatre <reinette.chatre@intel.com>
Date: Fri, 23 Oct 2009 13:42:30 -0700
Subject: [PATCH 0604/1815] iwlwifi: remove duplicate defines

RX_FREE_BUFFERS and RX_LOW_WATERMARK are currently defined in four places.
Based on how files are included we only need the definition in iwl-fh.h

Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Reported-by: Frans Pop <elendil@planet.nl>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-3945-hw.h | 6 ------
 drivers/net/wireless/iwlwifi/iwl-3945.h    | 6 ------
 drivers/net/wireless/iwlwifi/iwl-dev.h     | 6 ------
 3 files changed, 18 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-hw.h b/drivers/net/wireless/iwlwifi/iwl-3945-hw.h
index ccdac69838d..6fd10d443ba 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945-hw.h
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-hw.h
@@ -248,12 +248,6 @@ struct iwl3945_eeprom {
 #define TFD_CTL_PAD_SET(n)         (n << 28)
 #define TFD_CTL_PAD_GET(ctl)       (ctl >> 28)
 
-/*
- * RX related structures and functions
- */
-#define RX_FREE_BUFFERS 64
-#define RX_LOW_WATERMARK 8
-
 /* Sizes and addresses for instruction and data memory (SRAM) in
  * 3945's embedded processor.  Driver access is via HBUS_TARG_MEM_* regs. */
 #define IWL39_RTC_INST_LOWER_BOUND		(0x000000)
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.h b/drivers/net/wireless/iwlwifi/iwl-3945.h
index 964c01980ac..ebb999a51b5 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.h
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.h
@@ -130,12 +130,6 @@ struct iwl3945_frame {
 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
 
-/*
- * RX related structures and functions
- */
-#define RX_FREE_BUFFERS 64
-#define RX_LOW_WATERMARK 8
-
 #define SUP_RATE_11A_MAX_NUM_CHANNELS  8
 #define SUP_RATE_11B_MAX_NUM_CHANNELS  4
 #define SUP_RATE_11G_MAX_NUM_CHANNELS  12
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index b520e551f7f..e7ce6738766 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -407,12 +407,6 @@ struct iwl_host_cmd {
 	u8 id;
 };
 
-/*
- * RX related structures and functions
- */
-#define RX_FREE_BUFFERS 64
-#define RX_LOW_WATERMARK 8
-
 #define SUP_RATE_11A_MAX_NUM_CHANNELS  8
 #define SUP_RATE_11B_MAX_NUM_CHANNELS  4
 #define SUP_RATE_11G_MAX_NUM_CHANNELS  12
-- 
GitLab


From 71c55d90f9733abdf5e4e0bc24f71e189cefeea6 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 23 Oct 2009 13:42:31 -0700
Subject: [PATCH 0605/1815] iwlwifi: remove unused parameters

parameters "len" is not used in both iwl_tx_queue_free() and
iwl_cmd_queue_free() functions

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-tx.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index 5c43d7c43b3..8ae4c9b614e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -131,7 +131,7 @@ void iwl_tx_queue_free(struct iwl_priv *priv, int txq_id)
 	struct iwl_tx_queue *txq = &priv->txq[txq_id];
 	struct iwl_queue *q = &txq->q;
 	struct pci_dev *dev = priv->pci_dev;
-	int i, len;
+	int i;
 
 	if (q->n_bd == 0)
 		return;
@@ -141,8 +141,6 @@ void iwl_tx_queue_free(struct iwl_priv *priv, int txq_id)
 	     q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd))
 		priv->cfg->ops->lib->txq_free_tfd(priv, txq);
 
-	len = sizeof(struct iwl_device_cmd) * q->n_window;
-
 	/* De-alloc array of command/tx buffers */
 	for (i = 0; i < TFD_TX_CMD_SLOTS; i++)
 		kfree(txq->cmd[i]);
@@ -180,14 +178,11 @@ void iwl_cmd_queue_free(struct iwl_priv *priv)
 	struct iwl_tx_queue *txq = &priv->txq[IWL_CMD_QUEUE_NUM];
 	struct iwl_queue *q = &txq->q;
 	struct pci_dev *dev = priv->pci_dev;
-	int i, len;
+	int i;
 
 	if (q->n_bd == 0)
 		return;
 
-	len = sizeof(struct iwl_device_cmd) * q->n_window;
-	len += IWL_MAX_SCAN_SIZE;
-
 	/* De-alloc array of command/tx buffers */
 	for (i = 0; i <= TFD_CMD_SLOTS; i++)
 		kfree(txq->cmd[i]);
-- 
GitLab


From 7300515d1095aa11731866da7c9b000f2edb4626 Mon Sep 17 00:00:00 2001
From: Zhu Yi <yi.zhu@intel.com>
Date: Fri, 23 Oct 2009 13:42:32 -0700
Subject: [PATCH 0606/1815] iwlwifi: reuse page for notification packets

For notification packets and SKBs that fail to rx correctly, add
them back into the rx_free list so that the pages can be reused
later. This avoids allocating new rx pages unnecessarily.

Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn.c      | 27 ++++++++++++---------
 drivers/net/wireless/iwlwifi/iwl3945-base.c | 27 ++++++++++++---------
 2 files changed, 30 insertions(+), 24 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 0d388650520..ea1b9315f17 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -769,7 +769,7 @@ void iwl_rx_handle(struct iwl_priv *priv)
 		IWL_DEBUG_RX(priv, "r = %d, i = %d\n", r, i);
 
 	/* calculate total frames need to be restock after handling RX */
-	total_empty = r - priv->rxq.write_actual;
+	total_empty = r - rxq->write_actual;
 	if (total_empty < 0)
 		total_empty += RX_QUEUE_SIZE;
 
@@ -841,25 +841,28 @@ void iwl_rx_handle(struct iwl_priv *priv)
 				IWL_WARN(priv, "Claim null rxb?\n");
 		}
 
-		/* For now we just don't re-use anything.  We can tweak this
-		 * later to try and re-use notification packets and SKBs that
-		 * fail to Rx correctly */
+		/* Reuse the page if possible. For notification packets and
+		 * SKBs that fail to Rx correctly, add them back into the
+		 * rx_free list for reuse later. */
+		spin_lock_irqsave(&rxq->lock, flags);
 		if (rxb->page != NULL) {
-			priv->alloc_rxb_page--;
-			__free_pages(rxb->page, priv->hw_params.rx_page_order);
-			rxb->page = NULL;
-		}
+			rxb->page_dma = pci_map_page(priv->pci_dev, rxb->page,
+				0, PAGE_SIZE << priv->hw_params.rx_page_order,
+				PCI_DMA_FROMDEVICE);
+			list_add_tail(&rxb->list, &rxq->rx_free);
+			rxq->free_count++;
+		} else
+			list_add_tail(&rxb->list, &rxq->rx_used);
 
-		spin_lock_irqsave(&rxq->lock, flags);
-		list_add_tail(&rxb->list, &priv->rxq.rx_used);
 		spin_unlock_irqrestore(&rxq->lock, flags);
+
 		i = (i + 1) & RX_QUEUE_MASK;
 		/* If there are a lot of unused frames,
 		 * restock the Rx queue so ucode wont assert. */
 		if (fill_rx) {
 			count++;
 			if (count >= 8) {
-				priv->rxq.read = i;
+				rxq->read = i;
 				iwl_rx_replenish_now(priv);
 				count = 0;
 			}
@@ -867,7 +870,7 @@ void iwl_rx_handle(struct iwl_priv *priv)
 	}
 
 	/* Backtrack one entry */
-	priv->rxq.read = i;
+	rxq->read = i;
 	if (fill_rx)
 		iwl_rx_replenish_now(priv);
 	else
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 8b08bdc10bc..9a430eed34a 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -1367,7 +1367,7 @@ static void iwl3945_rx_handle(struct iwl_priv *priv)
 	i = rxq->read;
 
 	/* calculate total frames need to be restock after handling RX */
-	total_empty = r - priv->rxq.write_actual;
+	total_empty = r - rxq->write_actual;
 	if (total_empty < 0)
 		total_empty += RX_QUEUE_SIZE;
 
@@ -1438,25 +1438,28 @@ static void iwl3945_rx_handle(struct iwl_priv *priv)
 				IWL_WARN(priv, "Claim null rxb?\n");
 		}
 
-		/* For now we just don't re-use anything.  We can tweak this
-		 * later to try and re-use notification packets and SKBs that
-		 * fail to Rx correctly */
+		/* Reuse the page if possible. For notification packets and
+		 * SKBs that fail to Rx correctly, add them back into the
+		 * rx_free list for reuse later. */
+		spin_lock_irqsave(&rxq->lock, flags);
 		if (rxb->page != NULL) {
-			priv->alloc_rxb_page--;
-			__free_pages(rxb->page, priv->hw_params.rx_page_order);
-			rxb->page = NULL;
-		}
+			rxb->page_dma = pci_map_page(priv->pci_dev, rxb->page,
+				0, PAGE_SIZE << priv->hw_params.rx_page_order,
+				PCI_DMA_FROMDEVICE);
+			list_add_tail(&rxb->list, &rxq->rx_free);
+			rxq->free_count++;
+		} else
+			list_add_tail(&rxb->list, &rxq->rx_used);
 
-		spin_lock_irqsave(&rxq->lock, flags);
-		list_add_tail(&rxb->list, &priv->rxq.rx_used);
 		spin_unlock_irqrestore(&rxq->lock, flags);
+
 		i = (i + 1) & RX_QUEUE_MASK;
 		/* If there are a lot of unused frames,
 		 * restock the Rx queue so ucode won't assert. */
 		if (fill_rx) {
 			count++;
 			if (count >= 8) {
-				priv->rxq.read = i;
+				rxq->read = i;
 				iwl3945_rx_replenish_now(priv);
 				count = 0;
 			}
@@ -1464,7 +1467,7 @@ static void iwl3945_rx_handle(struct iwl_priv *priv)
 	}
 
 	/* Backtrack one entry */
-	priv->rxq.read = i;
+	rxq->read = i;
 	if (fill_rx)
 		iwl3945_rx_replenish_now(priv);
 	else
-- 
GitLab


From 570af86e0ab7e7b42b2562ff3209c16ab1ebd5f8 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 23 Oct 2009 13:42:33 -0700
Subject: [PATCH 0607/1815] iwlwifi: remove duplicated define

Duplicated define for listen interval (IWL_CONN_MAX_LISTEN_INTERVAL and
IWL_CONN_LISTEN_INTERVAL), remove IWL_CONN_LISTEN_INTERVAL

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Reported-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-power.c | 4 ++--
 drivers/net/wireless/iwlwifi/iwl-power.h | 2 --
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-power.c b/drivers/net/wireless/iwlwifi/iwl-power.c
index 432f4650cf2..9bce2c1625e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-power.c
+++ b/drivers/net/wireless/iwlwifi/iwl-power.c
@@ -163,9 +163,9 @@ static void iwl_static_sleep_cmd(struct iwl_priv *priv,
 		cmd->flags &= ~IWL_POWER_SLEEP_OVER_DTIM_MSK;
 
 	slp_itrvl = le32_to_cpu(cmd->sleep_interval[IWL_POWER_VEC_SIZE - 1]);
-	if (slp_itrvl > IWL_CONN_LISTEN_INTERVAL)
+	if (slp_itrvl > IWL_CONN_MAX_LISTEN_INTERVAL)
 		cmd->sleep_interval[IWL_POWER_VEC_SIZE - 1] =
-			cpu_to_le32(IWL_CONN_LISTEN_INTERVAL);
+			cpu_to_le32(IWL_CONN_MAX_LISTEN_INTERVAL);
 
 	/* enforce max sleep interval */
 	for (i = IWL_POWER_VEC_SIZE - 1; i >= 0 ; i--) {
diff --git a/drivers/net/wireless/iwlwifi/iwl-power.h b/drivers/net/wireless/iwlwifi/iwl-power.h
index 0755518f86e..310c32e8f69 100644
--- a/drivers/net/wireless/iwlwifi/iwl-power.h
+++ b/drivers/net/wireless/iwlwifi/iwl-power.h
@@ -30,8 +30,6 @@
 
 #include "iwl-commands.h"
 
-#define IWL_CONN_LISTEN_INTERVAL	10
-
 #define IWL_ABSOLUTE_ZERO		0
 #define IWL_ABSOLUTE_MAX		0xFFFFFFFF
 #define IWL_TT_INCREASE_MARGIN	5
-- 
GitLab


From 442464218d93aa0aacc55c3a7ac908ae00abff5f Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 23 Oct 2009 13:42:34 -0700
Subject: [PATCH 0608/1815] iwlwifi: update lowest API version support for 6x00
 & 6x50 series

For 6x00 and 6x50 series devices, APIv4 is the lowest firmware version
driver can support. This is also the lowest API version available to the
public so there is no need for backward compatibility support for the
earlier API versions.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-6000.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index f5639b47668..32466d38d1a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -52,8 +52,8 @@
 #define IWL6050_UCODE_API_MAX 4
 
 /* Lowest firmware API version supported */
-#define IWL6000_UCODE_API_MIN 1
-#define IWL6050_UCODE_API_MIN 1
+#define IWL6000_UCODE_API_MIN 4
+#define IWL6050_UCODE_API_MIN 4
 
 #define IWL6000_FW_PRE "iwlwifi-6000-"
 #define _IWL6000_MODULE_FIRMWARE(api) IWL6000_FW_PRE #api ".ucode"
-- 
GitLab


From c166b25a5c02d881b1da15f3afe9dc9e56b206a8 Mon Sep 17 00:00:00 2001
From: Ben Cahill <ben.m.cahill@intel.com>
Date: Fri, 23 Oct 2009 13:42:35 -0700
Subject: [PATCH 0609/1815] iwlwifi: make sure device is reset when unloading
 driver

Add unconditional call to apm_ops.stop() to reset device to low power state
when unloading driver.  Some paths have existed to unload driver *without*
resetting device, therefore some errors have persisted through multiple
load/unload cycles, until the whole platform gets rebooted; this is an
attempt to remedy some of those situations.  Sorry, I can't seem to find
a bughost.org bug that specifically has these symptoms, but I had it happen
recently here.

Note that this will *not* fix situations in which the PCI express bus has
crashed (evidenced by register reads showing "0xffffffff"), e.g. bughost.org
1855 and 2096; device is unreachable from driver in those cases.

Signed-off-by: Ben Cahill <ben.m.cahill@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn.c      | 9 +++++++++
 drivers/net/wireless/iwlwifi/iwl3945-base.c | 9 +++++++++
 2 files changed, 18 insertions(+)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index ea1b9315f17..fa1672e99e4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -3256,6 +3256,15 @@ static void __devexit iwl_pci_remove(struct pci_dev *pdev)
 		iwl_down(priv);
 	}
 
+	/*
+	 * Make sure device is reset to low power before unloading driver.
+	 * This may be redundant with iwl_down(), but there are paths to
+	 * run iwl_down() without calling apm_ops.stop(), and there are
+	 * paths to avoid running iwl_down() at all before leaving driver.
+	 * This (inexpensive) call *makes sure* device is reset.
+	 */
+	priv->cfg->ops->lib->apm_ops.stop(priv);
+
 	iwl_tt_exit(priv);
 
 	/* make sure we flush any pending irq or
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 9a430eed34a..bfd7f497157 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -4135,6 +4135,15 @@ static void __devexit iwl3945_pci_remove(struct pci_dev *pdev)
 		iwl3945_down(priv);
 	}
 
+	/*
+	 * Make sure device is reset to low power before unloading driver.
+	 * This may be redundant with iwl_down(), but there are paths to
+	 * run iwl_down() without calling apm_ops.stop(), and there are
+	 * paths to avoid running iwl_down() at all before leaving driver.
+	 * This (inexpensive) call *makes sure* device is reset.
+	 */
+	priv->cfg->ops->lib->apm_ops.stop(priv);
+
 	/* make sure we flush any pending irq or
 	 * tasklet for the driver
 	 */
-- 
GitLab


From d23000cd8992823e06ca0745564f2c25fe923ce4 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 23 Oct 2009 13:42:36 -0700
Subject: [PATCH 0610/1815] iwlwifi: minor comments changes for wimax co-exist
 command

'COEX_PRIORITY_TABLE_CMD' host command will be supported for 5000 series
and up.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-commands.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 0d660a7475a..954bad60355 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -109,7 +109,7 @@ enum {
 	REPLY_TX_LINK_QUALITY_CMD = 0x4e, /* 4965 only */
 
 	/* WiMAX coexistence */
-	COEX_PRIORITY_TABLE_CMD = 0x5a,	/*5000 only */
+	COEX_PRIORITY_TABLE_CMD = 0x5a,	/* for 5000 series and up */
 	COEX_MEDIUM_NOTIFICATION = 0x5b,
 	COEX_EVENT_CMD = 0x5c,
 
-- 
GitLab


From bd6b4442ff3cee73f73987cf0c0e66ea677aa075 Mon Sep 17 00:00:00 2001
From: Vivek Natarajan <vivek.natraj@gmail.com>
Date: Tue, 27 Oct 2009 11:32:52 +0530
Subject: [PATCH 0611/1815] ath: Updates for regulatory and country codes.

Add a few new country codes and update the regulatory domain for some
countries.

Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/regd.h        |  8 +++++++
 drivers/net/wireless/ath/regd_common.h | 32 ++++++++++++++++----------
 2 files changed, 28 insertions(+), 12 deletions(-)

diff --git a/drivers/net/wireless/ath/regd.h b/drivers/net/wireless/ath/regd.h
index c1dd857697a..a1c39526161 100644
--- a/drivers/net/wireless/ath/regd.h
+++ b/drivers/net/wireless/ath/regd.h
@@ -65,10 +65,13 @@ enum CountryCode {
 	CTRY_ALGERIA = 12,
 	CTRY_ARGENTINA = 32,
 	CTRY_ARMENIA = 51,
+	CTRY_ARUBA = 533,
 	CTRY_AUSTRALIA = 36,
 	CTRY_AUSTRIA = 40,
 	CTRY_AZERBAIJAN = 31,
 	CTRY_BAHRAIN = 48,
+	CTRY_BANGLADESH = 50,
+	CTRY_BARBADOS = 52,
 	CTRY_BELARUS = 112,
 	CTRY_BELGIUM = 56,
 	CTRY_BELIZE = 84,
@@ -77,6 +80,7 @@ enum CountryCode {
 	CTRY_BRAZIL = 76,
 	CTRY_BRUNEI_DARUSSALAM = 96,
 	CTRY_BULGARIA = 100,
+	CTRY_CAMBODIA = 116,
 	CTRY_CANADA = 124,
 	CTRY_CHILE = 152,
 	CTRY_CHINA = 156,
@@ -97,7 +101,11 @@ enum CountryCode {
 	CTRY_GEORGIA = 268,
 	CTRY_GERMANY = 276,
 	CTRY_GREECE = 300,
+	CTRY_GREENLAND = 304,
+	CTRY_GRENEDA = 308,
+	CTRY_GUAM = 316,
 	CTRY_GUATEMALA = 320,
+	CTRY_HAITI = 332,
 	CTRY_HONDURAS = 340,
 	CTRY_HONG_KONG = 344,
 	CTRY_HUNGARY = 348,
diff --git a/drivers/net/wireless/ath/regd_common.h b/drivers/net/wireless/ath/regd_common.h
index 9847af72208..248c670fdfb 100644
--- a/drivers/net/wireless/ath/regd_common.h
+++ b/drivers/net/wireless/ath/regd_common.h
@@ -288,13 +288,16 @@ static struct country_code_to_enum_rd allCountries[] = {
 	{CTRY_DEFAULT, FCC1_FCCA, "CO"},
 	{CTRY_ALBANIA, NULL1_WORLD, "AL"},
 	{CTRY_ALGERIA, NULL1_WORLD, "DZ"},
-	{CTRY_ARGENTINA, APL3_WORLD, "AR"},
+	{CTRY_ARGENTINA, FCC3_WORLD, "AR"},
 	{CTRY_ARMENIA, ETSI4_WORLD, "AM"},
+	{CTRY_ARUBA, ETSI1_WORLD, "AW"},
 	{CTRY_AUSTRALIA, FCC2_WORLD, "AU"},
 	{CTRY_AUSTRALIA2, FCC6_WORLD, "AU"},
 	{CTRY_AUSTRIA, ETSI1_WORLD, "AT"},
 	{CTRY_AZERBAIJAN, ETSI4_WORLD, "AZ"},
 	{CTRY_BAHRAIN, APL6_WORLD, "BH"},
+	{CTRY_BANGLADESH, NULL1_WORLD, "BD"},
+	{CTRY_BARBADOS, FCC2_WORLD, "BB"},
 	{CTRY_BELARUS, ETSI1_WORLD, "BY"},
 	{CTRY_BELGIUM, ETSI1_WORLD, "BE"},
 	{CTRY_BELGIUM2, ETSI4_WORLD, "BL"},
@@ -304,13 +307,14 @@ static struct country_code_to_enum_rd allCountries[] = {
 	{CTRY_BRAZIL, FCC3_WORLD, "BR"},
 	{CTRY_BRUNEI_DARUSSALAM, APL1_WORLD, "BN"},
 	{CTRY_BULGARIA, ETSI6_WORLD, "BG"},
-	{CTRY_CANADA, FCC2_FCCA, "CA"},
+	{CTRY_CAMBODIA, ETSI1_WORLD, "KH"},
+	{CTRY_CANADA, FCC3_FCCA, "CA"},
 	{CTRY_CANADA2, FCC6_FCCA, "CA"},
 	{CTRY_CHILE, APL6_WORLD, "CL"},
 	{CTRY_CHINA, APL1_WORLD, "CN"},
 	{CTRY_COLOMBIA, FCC1_FCCA, "CO"},
 	{CTRY_COSTA_RICA, FCC1_WORLD, "CR"},
-	{CTRY_CROATIA, ETSI3_WORLD, "HR"},
+	{CTRY_CROATIA, ETSI1_WORLD, "HR"},
 	{CTRY_CYPRUS, ETSI1_WORLD, "CY"},
 	{CTRY_CZECH, ETSI3_WORLD, "CZ"},
 	{CTRY_DENMARK, ETSI1_WORLD, "DK"},
@@ -324,18 +328,22 @@ static struct country_code_to_enum_rd allCountries[] = {
 	{CTRY_GEORGIA, ETSI4_WORLD, "GE"},
 	{CTRY_GERMANY, ETSI1_WORLD, "DE"},
 	{CTRY_GREECE, ETSI1_WORLD, "GR"},
+	{CTRY_GREENLAND, ETSI1_WORLD, "GL"},
+	{CTRY_GRENEDA, FCC3_FCCA, "GD"},
+	{CTRY_GUAM, FCC1_FCCA, "GU"},
 	{CTRY_GUATEMALA, FCC1_FCCA, "GT"},
+	{CTRY_HAITI, ETSI1_WORLD, "HT"},
 	{CTRY_HONDURAS, NULL1_WORLD, "HN"},
-	{CTRY_HONG_KONG, FCC2_WORLD, "HK"},
+	{CTRY_HONG_KONG, FCC3_WORLD, "HK"},
 	{CTRY_HUNGARY, ETSI1_WORLD, "HU"},
 	{CTRY_ICELAND, ETSI1_WORLD, "IS"},
 	{CTRY_INDIA, APL6_WORLD, "IN"},
-	{CTRY_INDONESIA, APL1_WORLD, "ID"},
+	{CTRY_INDONESIA, NULL1_WORLD, "ID"},
 	{CTRY_IRAN, APL1_WORLD, "IR"},
 	{CTRY_IRELAND, ETSI1_WORLD, "IE"},
 	{CTRY_ISRAEL, NULL1_WORLD, "IL"},
 	{CTRY_ITALY, ETSI1_WORLD, "IT"},
-	{CTRY_JAMAICA, ETSI1_WORLD, "JM"},
+	{CTRY_JAMAICA, FCC3_WORLD, "JM"},
 
 	{CTRY_JAPAN, MKK1_MKKA, "JP"},
 	{CTRY_JAPAN1, MKK1_MKKB, "JP"},
@@ -402,7 +410,7 @@ static struct country_code_to_enum_rd allCountries[] = {
 	{CTRY_KOREA_ROC, APL9_WORLD, "KR"},
 	{CTRY_KOREA_ROC2, APL2_WORLD, "K2"},
 	{CTRY_KOREA_ROC3, APL9_WORLD, "K3"},
-	{CTRY_KUWAIT, NULL1_WORLD, "KW"},
+	{CTRY_KUWAIT, ETSI3_WORLD, "KW"},
 	{CTRY_LATVIA, ETSI1_WORLD, "LV"},
 	{CTRY_LEBANON, NULL1_WORLD, "LB"},
 	{CTRY_LIECHTENSTEIN, ETSI1_WORLD, "LI"},
@@ -414,13 +422,13 @@ static struct country_code_to_enum_rd allCountries[] = {
 	{CTRY_MALTA, ETSI1_WORLD, "MT"},
 	{CTRY_MEXICO, FCC1_FCCA, "MX"},
 	{CTRY_MONACO, ETSI4_WORLD, "MC"},
-	{CTRY_MOROCCO, NULL1_WORLD, "MA"},
+	{CTRY_MOROCCO, APL4_WORLD, "MA"},
 	{CTRY_NEPAL, APL1_WORLD, "NP"},
 	{CTRY_NETHERLANDS, ETSI1_WORLD, "NL"},
 	{CTRY_NETHERLANDS_ANTILLES, ETSI1_WORLD, "AN"},
 	{CTRY_NEW_ZEALAND, FCC2_ETSIC, "NZ"},
 	{CTRY_NORWAY, ETSI1_WORLD, "NO"},
-	{CTRY_OMAN, APL6_WORLD, "OM"},
+	{CTRY_OMAN, FCC3_WORLD, "OM"},
 	{CTRY_PAKISTAN, NULL1_WORLD, "PK"},
 	{CTRY_PANAMA, FCC1_FCCA, "PA"},
 	{CTRY_PAPUA_NEW_GUINEA, FCC1_WORLD, "PG"},
@@ -429,7 +437,7 @@ static struct country_code_to_enum_rd allCountries[] = {
 	{CTRY_POLAND, ETSI1_WORLD, "PL"},
 	{CTRY_PORTUGAL, ETSI1_WORLD, "PT"},
 	{CTRY_PUERTO_RICO, FCC1_FCCA, "PR"},
-	{CTRY_QATAR, NULL1_WORLD, "QA"},
+	{CTRY_QATAR, APL1_WORLD, "QA"},
 	{CTRY_ROMANIA, NULL1_WORLD, "RO"},
 	{CTRY_RUSSIA, NULL1_WORLD, "RU"},
 	{CTRY_SAUDI_ARABIA, NULL1_WORLD, "SA"},
@@ -445,7 +453,7 @@ static struct country_code_to_enum_rd allCountries[] = {
 	{CTRY_SYRIA, NULL1_WORLD, "SY"},
 	{CTRY_TAIWAN, APL3_FCCA, "TW"},
 	{CTRY_THAILAND, FCC3_WORLD, "TH"},
-	{CTRY_TRINIDAD_Y_TOBAGO, ETSI4_WORLD, "TT"},
+	{CTRY_TRINIDAD_Y_TOBAGO, FCC3_WORLD, "TT"},
 	{CTRY_TUNISIA, ETSI3_WORLD, "TN"},
 	{CTRY_TURKEY, ETSI3_WORLD, "TR"},
 	{CTRY_UKRAINE, NULL1_WORLD, "UA"},
@@ -456,7 +464,7 @@ static struct country_code_to_enum_rd allCountries[] = {
 	 * would need to assign new special alpha2 to CRDA db as with the world
 	 * regdomain and use another alpha2 */
 	{CTRY_UNITED_STATES_FCC49, FCC4_FCCA, "PS"},
-	{CTRY_URUGUAY, APL2_WORLD, "UY"},
+	{CTRY_URUGUAY, FCC3_WORLD, "UY"},
 	{CTRY_UZBEKISTAN, FCC3_FCCA, "UZ"},
 	{CTRY_VENEZUELA, APL2_ETSIC, "VE"},
 	{CTRY_VIET_NAM, NULL1_WORLD, "VN"},
-- 
GitLab


From 678b77e265f6d66f1e68f3d095841c44ba5ab112 Mon Sep 17 00:00:00 2001
From: Jie Yang <jie.yang@atheros.com>
Date: Tue, 27 Oct 2009 22:31:19 -0700
Subject: [PATCH 0612/1815] atl1c: duplicate atl1c_get_tpd

remove duplicate atl1c_get_tpd, it may cause hardware to send wrong packets.

Signed-off-by: Jie Yang <jie.yang@atheros.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/atl1c/atl1c_main.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/atl1c/atl1c_main.c b/drivers/net/atl1c/atl1c_main.c
index 1372e9a99f5..3b8801a3972 100644
--- a/drivers/net/atl1c/atl1c_main.c
+++ b/drivers/net/atl1c/atl1c_main.c
@@ -1981,8 +1981,6 @@ static void atl1c_tx_map(struct atl1c_adapter *adapter,
 		else {
 			use_tpd = atl1c_get_tpd(adapter, type);
 			memcpy(use_tpd, tpd, sizeof(struct atl1c_tpd_desc));
-			use_tpd = atl1c_get_tpd(adapter, type);
-			memcpy(use_tpd, tpd, sizeof(struct atl1c_tpd_desc));
 		}
 		buffer_info = atl1c_get_tx_buffer(adapter, use_tpd);
 		buffer_info->length = buf_len - mapped_len;
-- 
GitLab


From 047e0030f1e601233ae5b03910602ec93c620bce Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 15:49:27 +0000
Subject: [PATCH 0613/1815] igb: add new data structure for handling interrupts
 and NAPI

Add a new igb_q_vector data structure to handle interrupts and NAPI.  This
helps to abstract the rings away from the adapter struct.  In addition it
allows for a bit of consolidation since a tx and rx ring can share a
q_vector.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb.h         |  46 +-
 drivers/net/igb/igb_ethtool.c |   8 +-
 drivers/net/igb/igb_main.c    | 872 +++++++++++++++++++---------------
 3 files changed, 534 insertions(+), 392 deletions(-)

diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index b805b1c63f8..86492c8957e 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -55,6 +55,8 @@ struct igb_adapter;
 #define IGB_DEFAULT_ITR                    3 /* dynamic */
 #define IGB_MAX_ITR_USECS              10000
 #define IGB_MIN_ITR_USECS                 10
+#define NON_Q_VECTORS                      1
+#define MAX_Q_VECTORS                      8
 
 /* Transmit and receive queues */
 #define IGB_MAX_RX_QUEUES     (adapter->vfs_allocated_count ? \
@@ -149,25 +151,38 @@ struct igb_rx_queue_stats {
 	u64 drops;
 };
 
-struct igb_ring {
+struct igb_q_vector {
 	struct igb_adapter *adapter; /* backlink */
-	void *desc;                  /* descriptor ring memory */
-	dma_addr_t dma;              /* phys address of the ring */
-	unsigned int size;           /* length of desc. ring in bytes */
-	unsigned int count;          /* number of desc. in the ring */
+	struct igb_ring *rx_ring;
+	struct igb_ring *tx_ring;
+	struct napi_struct napi;
+
+	u32 eims_value;
+	u16 cpu;
+
+	u16 itr_val;
+	u8 set_itr;
+	u8 itr_shift;
+	void __iomem *itr_register;
+
+	char name[IFNAMSIZ + 9];
+};
+
+struct igb_ring {
+	struct igb_q_vector *q_vector; /* backlink to q_vector */
+	void *desc;                    /* descriptor ring memory */
+	dma_addr_t dma;                /* phys address of the ring */
+	unsigned int size;             /* length of desc. ring in bytes */
+	unsigned int count;            /* number of desc. in the ring */
 	u16 next_to_use;
 	u16 next_to_clean;
 	u16 head;
 	u16 tail;
 	struct igb_buffer *buffer_info; /* array of buffer info structs */
 
-	u32 eims_value;
-	u32 itr_val;
-	u16 itr_register;
-	u16 cpu;
+	u8 queue_index;
+	u8 reg_idx;
 
-	u16 queue_index;
-	u16 reg_idx;
 	unsigned int total_bytes;
 	unsigned int total_packets;
 
@@ -181,13 +196,8 @@ struct igb_ring {
 		struct {
 			struct igb_rx_queue_stats rx_stats;
 			u64 rx_queue_drops;
-			struct napi_struct napi;
-			int set_itr;
-			struct igb_ring *buddy;
 		};
 	};
-
-	char name[IFNAMSIZ + 5];
 };
 
 #define E1000_RX_DESC_ADV(R, i)	    \
@@ -254,7 +264,6 @@ struct igb_adapter {
 
 	/* OS defined structs */
 	struct net_device *netdev;
-	struct napi_struct napi;
 	struct pci_dev *pdev;
 	struct cyclecounter cycles;
 	struct timecounter clock;
@@ -272,6 +281,9 @@ struct igb_adapter {
 	struct igb_ring test_rx_ring;
 
 	int msg_enable;
+
+	unsigned int num_q_vectors;
+	struct igb_q_vector *q_vector[MAX_Q_VECTORS];
 	struct msix_entry *msix_entries;
 	u32 eims_enable_mask;
 	u32 eims_other;
diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
index dafb25bfd9e..f71276fec3f 100644
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -1907,7 +1907,6 @@ static int igb_set_coalesce(struct net_device *netdev,
 			    struct ethtool_coalesce *ec)
 {
 	struct igb_adapter *adapter = netdev_priv(netdev);
-	struct e1000_hw *hw = &adapter->hw;
 	int i;
 
 	if ((ec->rx_coalesce_usecs > IGB_MAX_ITR_USECS) ||
@@ -1925,8 +1924,11 @@ static int igb_set_coalesce(struct net_device *netdev,
 		adapter->itr = adapter->itr_setting;
 	}
 
-	for (i = 0; i < adapter->num_rx_queues; i++)
-		wr32(adapter->rx_ring[i].itr_register, adapter->itr);
+	for (i = 0; i < adapter->num_q_vectors; i++) {
+		struct igb_q_vector *q_vector = adapter->q_vector[i];
+		q_vector->itr_val = adapter->itr;
+		q_vector->set_itr = 1;
+	}
 
 	return 0;
 }
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 2ffe0997b83..c15eb4c3916 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -111,16 +111,14 @@ static void igb_set_uta(struct igb_adapter *adapter);
 static irqreturn_t igb_intr(int irq, void *);
 static irqreturn_t igb_intr_msi(int irq, void *);
 static irqreturn_t igb_msix_other(int irq, void *);
-static irqreturn_t igb_msix_rx(int irq, void *);
-static irqreturn_t igb_msix_tx(int irq, void *);
+static irqreturn_t igb_msix_ring(int irq, void *);
 #ifdef CONFIG_IGB_DCA
-static void igb_update_rx_dca(struct igb_ring *);
-static void igb_update_tx_dca(struct igb_ring *);
+static void igb_update_dca(struct igb_q_vector *);
 static void igb_setup_dca(struct igb_adapter *);
 #endif /* CONFIG_IGB_DCA */
-static bool igb_clean_tx_irq(struct igb_ring *);
+static bool igb_clean_tx_irq(struct igb_q_vector *);
 static int igb_poll(struct napi_struct *, int);
-static bool igb_clean_rx_irq_adv(struct igb_ring *, int *, int);
+static bool igb_clean_rx_irq_adv(struct igb_q_vector *, int *, int);
 static void igb_alloc_rx_buffers_adv(struct igb_ring *, int);
 static int igb_ioctl(struct net_device *, struct ifreq *, int cmd);
 static void igb_tx_timeout(struct net_device *);
@@ -374,7 +372,7 @@ module_exit(igb_exit_module);
 static void igb_cache_ring_register(struct igb_adapter *adapter)
 {
 	int i;
-	unsigned int rbase_offset = adapter->vfs_allocated_count;
+	u32 rbase_offset = adapter->vfs_allocated_count;
 
 	switch (adapter->hw.mac.type) {
 	case e1000_82576:
@@ -400,6 +398,18 @@ static void igb_cache_ring_register(struct igb_adapter *adapter)
 	}
 }
 
+static void igb_free_queues(struct igb_adapter *adapter)
+{
+	kfree(adapter->tx_ring);
+	kfree(adapter->rx_ring);
+
+	adapter->tx_ring = NULL;
+	adapter->rx_ring = NULL;
+
+	adapter->num_rx_queues = 0;
+	adapter->num_tx_queues = 0;
+}
+
 /**
  * igb_alloc_queues - Allocate memory for all rings
  * @adapter: board private structure to initialize
@@ -414,59 +424,48 @@ static int igb_alloc_queues(struct igb_adapter *adapter)
 	adapter->tx_ring = kcalloc(adapter->num_tx_queues,
 				   sizeof(struct igb_ring), GFP_KERNEL);
 	if (!adapter->tx_ring)
-		return -ENOMEM;
+		goto err;
 
 	adapter->rx_ring = kcalloc(adapter->num_rx_queues,
 				   sizeof(struct igb_ring), GFP_KERNEL);
-	if (!adapter->rx_ring) {
-		kfree(adapter->tx_ring);
-		return -ENOMEM;
-	}
-
-	adapter->rx_ring->buddy = adapter->tx_ring;
+	if (!adapter->rx_ring)
+		goto err;
 
 	for (i = 0; i < adapter->num_tx_queues; i++) {
 		struct igb_ring *ring = &(adapter->tx_ring[i]);
 		ring->count = adapter->tx_ring_count;
-		ring->adapter = adapter;
 		ring->queue_index = i;
 	}
 	for (i = 0; i < adapter->num_rx_queues; i++) {
 		struct igb_ring *ring = &(adapter->rx_ring[i]);
 		ring->count = adapter->rx_ring_count;
-		ring->adapter = adapter;
 		ring->queue_index = i;
-		ring->itr_register = E1000_ITR;
-
-		/* set a default napi handler for each rx_ring */
-		netif_napi_add(adapter->netdev, &ring->napi, igb_poll, 64);
 	}
 
 	igb_cache_ring_register(adapter);
-	return 0;
-}
 
-static void igb_free_queues(struct igb_adapter *adapter)
-{
-	int i;
-
-	for (i = 0; i < adapter->num_rx_queues; i++)
-		netif_napi_del(&adapter->rx_ring[i].napi);
+	return 0;
 
-	adapter->num_rx_queues = 0;
-	adapter->num_tx_queues = 0;
+err:
+	igb_free_queues(adapter);
 
-	kfree(adapter->tx_ring);
-	kfree(adapter->rx_ring);
+	return -ENOMEM;
 }
 
 #define IGB_N0_QUEUE -1
-static void igb_assign_vector(struct igb_adapter *adapter, int rx_queue,
-			      int tx_queue, int msix_vector)
+static void igb_assign_vector(struct igb_q_vector *q_vector, int msix_vector)
 {
 	u32 msixbm = 0;
+	struct igb_adapter *adapter = q_vector->adapter;
 	struct e1000_hw *hw = &adapter->hw;
 	u32 ivar, index;
+	int rx_queue = IGB_N0_QUEUE;
+	int tx_queue = IGB_N0_QUEUE;
+
+	if (q_vector->rx_ring)
+		rx_queue = q_vector->rx_ring->reg_idx;
+	if (q_vector->tx_ring)
+		tx_queue = q_vector->tx_ring->reg_idx;
 
 	switch (hw->mac.type) {
 	case e1000_82575:
@@ -474,16 +473,12 @@ static void igb_assign_vector(struct igb_adapter *adapter, int rx_queue,
 		   bitmask for the EICR/EIMS/EIMC registers.  To assign one
 		   or more queues to a vector, we write the appropriate bits
 		   into the MSIXBM register for that vector. */
-		if (rx_queue > IGB_N0_QUEUE) {
+		if (rx_queue > IGB_N0_QUEUE)
 			msixbm = E1000_EICR_RX_QUEUE0 << rx_queue;
-			adapter->rx_ring[rx_queue].eims_value = msixbm;
-		}
-		if (tx_queue > IGB_N0_QUEUE) {
+		if (tx_queue > IGB_N0_QUEUE)
 			msixbm |= E1000_EICR_TX_QUEUE0 << tx_queue;
-			adapter->tx_ring[tx_queue].eims_value =
-				  E1000_EICR_TX_QUEUE0 << tx_queue;
-		}
 		array_wr32(E1000_MSIXBM(0), msix_vector, msixbm);
+		q_vector->eims_value = msixbm;
 		break;
 	case e1000_82576:
 		/* 82576 uses a table-based method for assigning vectors.
@@ -491,35 +486,34 @@ static void igb_assign_vector(struct igb_adapter *adapter, int rx_queue,
 		   a vector number along with a "valid" bit.  Sadly, the layout
 		   of the table is somewhat counterintuitive. */
 		if (rx_queue > IGB_N0_QUEUE) {
-			index = (rx_queue >> 1) + adapter->vfs_allocated_count;
+			index = (rx_queue & 0x7);
 			ivar = array_rd32(E1000_IVAR0, index);
-			if (rx_queue & 0x1) {
-				/* vector goes into third byte of register */
-				ivar = ivar & 0xFF00FFFF;
-				ivar |= (msix_vector | E1000_IVAR_VALID) << 16;
-			} else {
+			if (rx_queue < 8) {
 				/* vector goes into low byte of register */
 				ivar = ivar & 0xFFFFFF00;
 				ivar |= msix_vector | E1000_IVAR_VALID;
+			} else {
+				/* vector goes into third byte of register */
+				ivar = ivar & 0xFF00FFFF;
+				ivar |= (msix_vector | E1000_IVAR_VALID) << 16;
 			}
-			adapter->rx_ring[rx_queue].eims_value= 1 << msix_vector;
 			array_wr32(E1000_IVAR0, index, ivar);
 		}
 		if (tx_queue > IGB_N0_QUEUE) {
-			index = (tx_queue >> 1) + adapter->vfs_allocated_count;
+			index = (tx_queue & 0x7);
 			ivar = array_rd32(E1000_IVAR0, index);
-			if (tx_queue & 0x1) {
-				/* vector goes into high byte of register */
-				ivar = ivar & 0x00FFFFFF;
-				ivar |= (msix_vector | E1000_IVAR_VALID) << 24;
-			} else {
+			if (tx_queue < 8) {
 				/* vector goes into second byte of register */
 				ivar = ivar & 0xFFFF00FF;
 				ivar |= (msix_vector | E1000_IVAR_VALID) << 8;
+			} else {
+				/* vector goes into high byte of register */
+				ivar = ivar & 0x00FFFFFF;
+				ivar |= (msix_vector | E1000_IVAR_VALID) << 24;
 			}
-			adapter->tx_ring[tx_queue].eims_value= 1 << msix_vector;
 			array_wr32(E1000_IVAR0, index, ivar);
 		}
+		q_vector->eims_value = 1 << msix_vector;
 		break;
 	default:
 		BUG();
@@ -540,43 +534,10 @@ static void igb_configure_msix(struct igb_adapter *adapter)
 	struct e1000_hw *hw = &adapter->hw;
 
 	adapter->eims_enable_mask = 0;
-	if (hw->mac.type == e1000_82576)
-		/* Turn on MSI-X capability first, or our settings
-		 * won't stick.  And it will take days to debug. */
-		wr32(E1000_GPIE, E1000_GPIE_MSIX_MODE |
-				   E1000_GPIE_PBA | E1000_GPIE_EIAME |
- 				   E1000_GPIE_NSICR);
-
-	for (i = 0; i < adapter->num_tx_queues; i++) {
-		struct igb_ring *tx_ring = &adapter->tx_ring[i];
-		igb_assign_vector(adapter, IGB_N0_QUEUE, i, vector++);
-		adapter->eims_enable_mask |= tx_ring->eims_value;
-		if (tx_ring->itr_val)
-			writel(tx_ring->itr_val,
-			       hw->hw_addr + tx_ring->itr_register);
-		else
-			writel(1, hw->hw_addr + tx_ring->itr_register);
-	}
-
-	for (i = 0; i < adapter->num_rx_queues; i++) {
-		struct igb_ring *rx_ring = &adapter->rx_ring[i];
-		rx_ring->buddy = NULL;
-		igb_assign_vector(adapter, i, IGB_N0_QUEUE, vector++);
-		adapter->eims_enable_mask |= rx_ring->eims_value;
-		if (rx_ring->itr_val)
-			writel(rx_ring->itr_val,
-			       hw->hw_addr + rx_ring->itr_register);
-		else
-			writel(1, hw->hw_addr + rx_ring->itr_register);
-	}
-
 
 	/* set vector for other causes, i.e. link changes */
 	switch (hw->mac.type) {
 	case e1000_82575:
-		array_wr32(E1000_MSIXBM(0), vector++,
-				      E1000_EIMS_OTHER);
-
 		tmp = rd32(E1000_CTRL_EXT);
 		/* enable MSI-X PBA support*/
 		tmp |= E1000_CTRL_EXT_PBA_CLR;
@@ -586,22 +547,40 @@ static void igb_configure_msix(struct igb_adapter *adapter)
 		tmp |= E1000_CTRL_EXT_IRCA;
 
 		wr32(E1000_CTRL_EXT, tmp);
-		adapter->eims_enable_mask |= E1000_EIMS_OTHER;
+
+		/* enable msix_other interrupt */
+		array_wr32(E1000_MSIXBM(0), vector++,
+		                      E1000_EIMS_OTHER);
 		adapter->eims_other = E1000_EIMS_OTHER;
 
 		break;
 
 	case e1000_82576:
+		/* Turn on MSI-X capability first, or our settings
+		 * won't stick.  And it will take days to debug. */
+		wr32(E1000_GPIE, E1000_GPIE_MSIX_MODE |
+		                E1000_GPIE_PBA | E1000_GPIE_EIAME |
+		                E1000_GPIE_NSICR);
+
+		/* enable msix_other interrupt */
+		adapter->eims_other = 1 << vector;
 		tmp = (vector++ | E1000_IVAR_VALID) << 8;
-		wr32(E1000_IVAR_MISC, tmp);
 
-		adapter->eims_enable_mask = (1 << (vector)) - 1;
-		adapter->eims_other = 1 << (vector - 1);
+		wr32(E1000_IVAR_MISC, tmp);
 		break;
 	default:
 		/* do nothing, since nothing else supports MSI-X */
 		break;
 	} /* switch (hw->mac.type) */
+
+	adapter->eims_enable_mask |= adapter->eims_other;
+
+	for (i = 0; i < adapter->num_q_vectors; i++) {
+		struct igb_q_vector *q_vector = adapter->q_vector[i];
+		igb_assign_vector(q_vector, vector++);
+		adapter->eims_enable_mask |= q_vector->eims_value;
+	}
+
 	wrfl();
 }
 
@@ -614,43 +593,40 @@ static void igb_configure_msix(struct igb_adapter *adapter)
 static int igb_request_msix(struct igb_adapter *adapter)
 {
 	struct net_device *netdev = adapter->netdev;
+	struct e1000_hw *hw = &adapter->hw;
 	int i, err = 0, vector = 0;
 
-	vector = 0;
-
-	for (i = 0; i < adapter->num_tx_queues; i++) {
-		struct igb_ring *ring = &(adapter->tx_ring[i]);
-		sprintf(ring->name, "%s-tx-%d", netdev->name, i);
-		err = request_irq(adapter->msix_entries[vector].vector,
-				  &igb_msix_tx, 0, ring->name,
-				  &(adapter->tx_ring[i]));
-		if (err)
-			goto out;
-		ring->itr_register = E1000_EITR(0) + (vector << 2);
-		ring->itr_val = 976; /* ~4000 ints/sec */
-		vector++;
-	}
-	for (i = 0; i < adapter->num_rx_queues; i++) {
-		struct igb_ring *ring = &(adapter->rx_ring[i]);
-		if (strlen(netdev->name) < (IFNAMSIZ - 5))
-			sprintf(ring->name, "%s-rx-%d", netdev->name, i);
+	err = request_irq(adapter->msix_entries[vector].vector,
+	                  &igb_msix_other, 0, netdev->name, adapter);
+	if (err)
+		goto out;
+	vector++;
+
+	for (i = 0; i < adapter->num_q_vectors; i++) {
+		struct igb_q_vector *q_vector = adapter->q_vector[i];
+
+		q_vector->itr_register = hw->hw_addr + E1000_EITR(vector);
+
+		if (q_vector->rx_ring && q_vector->tx_ring)
+			sprintf(q_vector->name, "%s-TxRx-%u", netdev->name,
+			        q_vector->rx_ring->queue_index);
+		else if (q_vector->tx_ring)
+			sprintf(q_vector->name, "%s-tx-%u", netdev->name,
+			        q_vector->tx_ring->queue_index);
+		else if (q_vector->rx_ring)
+			sprintf(q_vector->name, "%s-rx-%u", netdev->name,
+			        q_vector->rx_ring->queue_index);
 		else
-			memcpy(ring->name, netdev->name, IFNAMSIZ);
+			sprintf(q_vector->name, "%s-unused", netdev->name);
+
 		err = request_irq(adapter->msix_entries[vector].vector,
-				  &igb_msix_rx, 0, ring->name,
-				  &(adapter->rx_ring[i]));
+		                  &igb_msix_ring, 0, q_vector->name,
+		                  q_vector);
 		if (err)
 			goto out;
-		ring->itr_register = E1000_EITR(0) + (vector << 2);
-		ring->itr_val = adapter->itr;
 		vector++;
 	}
 
-	err = request_irq(adapter->msix_entries[vector].vector,
-			  &igb_msix_other, 0, netdev->name, netdev);
-	if (err)
-		goto out;
-
 	igb_configure_msix(adapter);
 	return 0;
 out:
@@ -663,11 +639,44 @@ static void igb_reset_interrupt_capability(struct igb_adapter *adapter)
 		pci_disable_msix(adapter->pdev);
 		kfree(adapter->msix_entries);
 		adapter->msix_entries = NULL;
-	} else if (adapter->flags & IGB_FLAG_HAS_MSI)
+	} else if (adapter->flags & IGB_FLAG_HAS_MSI) {
 		pci_disable_msi(adapter->pdev);
-	return;
+	}
 }
 
+/**
+ * igb_free_q_vectors - Free memory allocated for interrupt vectors
+ * @adapter: board private structure to initialize
+ *
+ * This function frees the memory allocated to the q_vectors.  In addition if
+ * NAPI is enabled it will delete any references to the NAPI struct prior
+ * to freeing the q_vector.
+ **/
+static void igb_free_q_vectors(struct igb_adapter *adapter)
+{
+	int v_idx;
+
+	for (v_idx = 0; v_idx < adapter->num_q_vectors; v_idx++) {
+		struct igb_q_vector *q_vector = adapter->q_vector[v_idx];
+		adapter->q_vector[v_idx] = NULL;
+		netif_napi_del(&q_vector->napi);
+		kfree(q_vector);
+	}
+	adapter->num_q_vectors = 0;
+}
+
+/**
+ * igb_clear_interrupt_scheme - reset the device to a state of no interrupts
+ *
+ * This function resets the device so that it has 0 rx queues, tx queues, and
+ * MSI-X interrupts allocated.
+ */
+static void igb_clear_interrupt_scheme(struct igb_adapter *adapter)
+{
+	igb_free_queues(adapter);
+	igb_free_q_vectors(adapter);
+	igb_reset_interrupt_capability(adapter);
+}
 
 /**
  * igb_set_interrupt_capability - set MSI or MSI-X if supported
@@ -681,11 +690,20 @@ static void igb_set_interrupt_capability(struct igb_adapter *adapter)
 	int numvecs, i;
 
 	/* Number of supported queues. */
-	/* Having more queues than CPUs doesn't make sense. */
 	adapter->num_rx_queues = min_t(u32, IGB_MAX_RX_QUEUES, num_online_cpus());
 	adapter->num_tx_queues = min_t(u32, IGB_MAX_TX_QUEUES, num_online_cpus());
 
-	numvecs = adapter->num_tx_queues + adapter->num_rx_queues + 1;
+	/* start with one vector for every rx queue */
+	numvecs = adapter->num_rx_queues;
+
+	/* if tx handler is seperate add 1 for every tx queue */
+	numvecs += adapter->num_tx_queues;
+
+	/* store the number of vectors reserved for queues */
+	adapter->num_q_vectors = numvecs;
+
+	/* add 1 vector for link status interrupts */
+	numvecs++;
 	adapter->msix_entries = kcalloc(numvecs, sizeof(struct msix_entry),
 					GFP_KERNEL);
 	if (!adapter->msix_entries)
@@ -721,6 +739,7 @@ msi_only:
 #endif
 	adapter->num_rx_queues = 1;
 	adapter->num_tx_queues = 1;
+	adapter->num_q_vectors = 1;
 	if (!pci_enable_msi(adapter->pdev))
 		adapter->flags |= IGB_FLAG_HAS_MSI;
 out:
@@ -729,6 +748,139 @@ out:
 	return;
 }
 
+/**
+ * igb_alloc_q_vectors - Allocate memory for interrupt vectors
+ * @adapter: board private structure to initialize
+ *
+ * We allocate one q_vector per queue interrupt.  If allocation fails we
+ * return -ENOMEM.
+ **/
+static int igb_alloc_q_vectors(struct igb_adapter *adapter)
+{
+	struct igb_q_vector *q_vector;
+	struct e1000_hw *hw = &adapter->hw;
+	int v_idx;
+
+	for (v_idx = 0; v_idx < adapter->num_q_vectors; v_idx++) {
+		q_vector = kzalloc(sizeof(struct igb_q_vector), GFP_KERNEL);
+		if (!q_vector)
+			goto err_out;
+		q_vector->adapter = adapter;
+		q_vector->itr_shift = (hw->mac.type == e1000_82575) ? 16 : 0;
+		q_vector->itr_register = hw->hw_addr + E1000_EITR(0);
+		q_vector->itr_val = IGB_START_ITR;
+		q_vector->set_itr = 1;
+		netif_napi_add(adapter->netdev, &q_vector->napi, igb_poll, 64);
+		adapter->q_vector[v_idx] = q_vector;
+	}
+	return 0;
+
+err_out:
+	while (v_idx) {
+		v_idx--;
+		q_vector = adapter->q_vector[v_idx];
+		netif_napi_del(&q_vector->napi);
+		kfree(q_vector);
+		adapter->q_vector[v_idx] = NULL;
+	}
+	return -ENOMEM;
+}
+
+static void igb_map_rx_ring_to_vector(struct igb_adapter *adapter,
+                                      int ring_idx, int v_idx)
+{
+	struct igb_q_vector *q_vector;
+
+	q_vector = adapter->q_vector[v_idx];
+	q_vector->rx_ring = &adapter->rx_ring[ring_idx];
+	q_vector->rx_ring->q_vector = q_vector;
+	q_vector->itr_val = adapter->itr;
+}
+
+static void igb_map_tx_ring_to_vector(struct igb_adapter *adapter,
+                                      int ring_idx, int v_idx)
+{
+	struct igb_q_vector *q_vector;
+
+	q_vector = adapter->q_vector[v_idx];
+	q_vector->tx_ring = &adapter->tx_ring[ring_idx];
+	q_vector->tx_ring->q_vector = q_vector;
+	q_vector->itr_val = adapter->itr;
+}
+
+/**
+ * igb_map_ring_to_vector - maps allocated queues to vectors
+ *
+ * This function maps the recently allocated queues to vectors.
+ **/
+static int igb_map_ring_to_vector(struct igb_adapter *adapter)
+{
+	int i;
+	int v_idx = 0;
+
+	if ((adapter->num_q_vectors < adapter->num_rx_queues) ||
+	    (adapter->num_q_vectors < adapter->num_tx_queues))
+		return -ENOMEM;
+
+	if (adapter->num_q_vectors >=
+	    (adapter->num_rx_queues + adapter->num_tx_queues)) {
+		for (i = 0; i < adapter->num_rx_queues; i++)
+			igb_map_rx_ring_to_vector(adapter, i, v_idx++);
+		for (i = 0; i < adapter->num_tx_queues; i++)
+			igb_map_tx_ring_to_vector(adapter, i, v_idx++);
+	} else {
+		for (i = 0; i < adapter->num_rx_queues; i++) {
+			if (i < adapter->num_tx_queues)
+				igb_map_tx_ring_to_vector(adapter, i, v_idx);
+			igb_map_rx_ring_to_vector(adapter, i, v_idx++);
+		}
+		for (; i < adapter->num_tx_queues; i++)
+			igb_map_tx_ring_to_vector(adapter, i, v_idx++);
+	}
+	return 0;
+}
+
+/**
+ * igb_init_interrupt_scheme - initialize interrupts, allocate queues/vectors
+ *
+ * This function initializes the interrupts and allocates all of the queues.
+ **/
+static int igb_init_interrupt_scheme(struct igb_adapter *adapter)
+{
+	struct pci_dev *pdev = adapter->pdev;
+	int err;
+
+	igb_set_interrupt_capability(adapter);
+
+	err = igb_alloc_q_vectors(adapter);
+	if (err) {
+		dev_err(&pdev->dev, "Unable to allocate memory for vectors\n");
+		goto err_alloc_q_vectors;
+	}
+
+	err = igb_alloc_queues(adapter);
+	if (err) {
+		dev_err(&pdev->dev, "Unable to allocate memory for queues\n");
+		goto err_alloc_queues;
+	}
+
+	err = igb_map_ring_to_vector(adapter);
+	if (err) {
+		dev_err(&pdev->dev, "Invalid q_vector to ring mapping\n");
+		goto err_map_queues;
+	}
+
+
+	return 0;
+err_map_queues:
+	igb_free_queues(adapter);
+err_alloc_queues:
+	igb_free_q_vectors(adapter);
+err_alloc_q_vectors:
+	igb_reset_interrupt_capability(adapter);
+	return err;
+}
+
 /**
  * igb_request_irq - initialize interrupts
  *
@@ -738,6 +890,7 @@ out:
 static int igb_request_irq(struct igb_adapter *adapter)
 {
 	struct net_device *netdev = adapter->netdev;
+	struct pci_dev *pdev = adapter->pdev;
 	struct e1000_hw *hw = &adapter->hw;
 	int err = 0;
 
@@ -746,18 +899,36 @@ static int igb_request_irq(struct igb_adapter *adapter)
 		if (!err)
 			goto request_done;
 		/* fall back to MSI */
-		igb_reset_interrupt_capability(adapter);
+		igb_clear_interrupt_scheme(adapter);
 		if (!pci_enable_msi(adapter->pdev))
 			adapter->flags |= IGB_FLAG_HAS_MSI;
 		igb_free_all_tx_resources(adapter);
 		igb_free_all_rx_resources(adapter);
+		adapter->num_tx_queues = 1;
 		adapter->num_rx_queues = 1;
-		igb_alloc_queues(adapter);
+		adapter->num_q_vectors = 1;
+		err = igb_alloc_q_vectors(adapter);
+		if (err) {
+			dev_err(&pdev->dev,
+			        "Unable to allocate memory for vectors\n");
+			goto request_done;
+		}
+		err = igb_alloc_queues(adapter);
+		if (err) {
+			dev_err(&pdev->dev,
+			        "Unable to allocate memory for queues\n");
+			igb_free_q_vectors(adapter);
+			goto request_done;
+		}
+		igb_setup_all_tx_resources(adapter);
+		igb_setup_all_rx_resources(adapter);
 	} else {
 		switch (hw->mac.type) {
 		case e1000_82575:
 			wr32(E1000_MSIXBM(0),
-			     (E1000_EICR_RX_QUEUE0 | E1000_EIMS_OTHER));
+			     (E1000_EICR_RX_QUEUE0 |
+			      E1000_EICR_TX_QUEUE0 |
+			      E1000_EIMS_OTHER));
 			break;
 		case e1000_82576:
 			wr32(E1000_IVAR0, E1000_IVAR_VALID);
@@ -769,16 +940,17 @@ static int igb_request_irq(struct igb_adapter *adapter)
 
 	if (adapter->flags & IGB_FLAG_HAS_MSI) {
 		err = request_irq(adapter->pdev->irq, &igb_intr_msi, 0,
-				  netdev->name, netdev);
+				  netdev->name, adapter);
 		if (!err)
 			goto request_done;
+
 		/* fall back to legacy interrupts */
 		igb_reset_interrupt_capability(adapter);
 		adapter->flags &= ~IGB_FLAG_HAS_MSI;
 	}
 
 	err = request_irq(adapter->pdev->irq, &igb_intr, IRQF_SHARED,
-			  netdev->name, netdev);
+			  netdev->name, adapter);
 
 	if (err)
 		dev_err(&adapter->pdev->dev, "Error %d getting interrupt\n",
@@ -790,23 +962,19 @@ request_done:
 
 static void igb_free_irq(struct igb_adapter *adapter)
 {
-	struct net_device *netdev = adapter->netdev;
-
 	if (adapter->msix_entries) {
 		int vector = 0, i;
 
-		for (i = 0; i < adapter->num_tx_queues; i++)
-			free_irq(adapter->msix_entries[vector++].vector,
-				&(adapter->tx_ring[i]));
-		for (i = 0; i < adapter->num_rx_queues; i++)
-			free_irq(adapter->msix_entries[vector++].vector,
-				&(adapter->rx_ring[i]));
+		free_irq(adapter->msix_entries[vector++].vector, adapter);
 
-		free_irq(adapter->msix_entries[vector++].vector, netdev);
-		return;
+		for (i = 0; i < adapter->num_q_vectors; i++) {
+			struct igb_q_vector *q_vector = adapter->q_vector[i];
+			free_irq(adapter->msix_entries[vector++].vector,
+			         q_vector);
+		}
+	} else {
+		free_irq(adapter->pdev->irq, adapter);
 	}
-
-	free_irq(adapter->pdev->irq, netdev);
 }
 
 /**
@@ -967,8 +1135,10 @@ int igb_up(struct igb_adapter *adapter)
 
 	clear_bit(__IGB_DOWN, &adapter->state);
 
-	for (i = 0; i < adapter->num_rx_queues; i++)
-		napi_enable(&adapter->rx_ring[i].napi);
+	for (i = 0; i < adapter->num_q_vectors; i++) {
+		struct igb_q_vector *q_vector = adapter->q_vector[i];
+		napi_enable(&q_vector->napi);
+	}
 	if (adapter->msix_entries)
 		igb_configure_msix(adapter);
 
@@ -1012,8 +1182,10 @@ void igb_down(struct igb_adapter *adapter)
 	wrfl();
 	msleep(10);
 
-	for (i = 0; i < adapter->num_rx_queues; i++)
-		napi_disable(&adapter->rx_ring[i].napi);
+	for (i = 0; i < adapter->num_q_vectors; i++) {
+		struct igb_q_vector *q_vector = adapter->q_vector[i];
+		napi_disable(&q_vector->napi);
+	}
 
 	igb_irq_disable(adapter);
 
@@ -1584,9 +1756,8 @@ err_eeprom:
 
 	if (hw->flash_address)
 		iounmap(hw->flash_address);
-
-	igb_free_queues(adapter);
 err_sw_init:
+	igb_clear_interrupt_scheme(adapter);
 	iounmap(hw->hw_addr);
 err_ioremap:
 	free_netdev(netdev);
@@ -1640,9 +1811,7 @@ static void __devexit igb_remove(struct pci_dev *pdev)
 	if (!igb_check_reset_block(&adapter->hw))
 		igb_reset_phy(&adapter->hw);
 
-	igb_reset_interrupt_capability(adapter);
-
-	igb_free_queues(adapter);
+	igb_clear_interrupt_scheme(adapter);
 
 #ifdef CONFIG_PCI_IOV
 	/* reclaim resources allocated to VFs */
@@ -1696,9 +1865,7 @@ static int __devinit igb_sw_init(struct igb_adapter *adapter)
 
 	/* This call may decrease the number of queues depending on
 	 * interrupt mode. */
-	igb_set_interrupt_capability(adapter);
-
-	if (igb_alloc_queues(adapter)) {
+	if (igb_init_interrupt_scheme(adapter)) {
 		dev_err(&pdev->dev, "Unable to allocate memory for queues\n");
 		return -ENOMEM;
 	}
@@ -1768,8 +1935,10 @@ static int igb_open(struct net_device *netdev)
 	/* From here on the code is the same as igb_up() */
 	clear_bit(__IGB_DOWN, &adapter->state);
 
-	for (i = 0; i < adapter->num_rx_queues; i++)
-		napi_enable(&adapter->rx_ring[i].napi);
+	for (i = 0; i < adapter->num_q_vectors; i++) {
+		struct igb_q_vector *q_vector = adapter->q_vector[i];
+		napi_enable(&q_vector->napi);
+	}
 
 	/* Clear any pending interrupts. */
 	rd32(E1000_ICR);
@@ -1858,14 +2027,13 @@ int igb_setup_tx_resources(struct igb_adapter *adapter,
 	if (!tx_ring->desc)
 		goto err;
 
-	tx_ring->adapter = adapter;
 	tx_ring->next_to_use = 0;
 	tx_ring->next_to_clean = 0;
 	return 0;
 
 err:
 	vfree(tx_ring->buffer_info);
-	dev_err(&adapter->pdev->dev,
+	dev_err(&pdev->dev,
 		"Unable to allocate memory for the transmit descriptor ring\n");
 	return -ENOMEM;
 }
@@ -1996,8 +2164,6 @@ int igb_setup_rx_resources(struct igb_adapter *adapter,
 	rx_ring->next_to_clean = 0;
 	rx_ring->next_to_use = 0;
 
-	rx_ring->adapter = adapter;
-
 	return 0;
 
 err:
@@ -2308,7 +2474,7 @@ static void igb_configure_rx(struct igb_adapter *adapter)
  **/
 void igb_free_tx_resources(struct igb_ring *tx_ring)
 {
-	struct pci_dev *pdev = tx_ring->adapter->pdev;
+	struct pci_dev *pdev = tx_ring->q_vector->adapter->pdev;
 
 	igb_clean_tx_ring(tx_ring);
 
@@ -2354,7 +2520,7 @@ static void igb_unmap_and_free_tx_resource(struct igb_adapter *adapter,
  **/
 static void igb_clean_tx_ring(struct igb_ring *tx_ring)
 {
-	struct igb_adapter *adapter = tx_ring->adapter;
+	struct igb_adapter *adapter = tx_ring->q_vector->adapter;
 	struct igb_buffer *buffer_info;
 	unsigned long size;
 	unsigned int i;
@@ -2402,7 +2568,7 @@ static void igb_clean_all_tx_rings(struct igb_adapter *adapter)
  **/
 void igb_free_rx_resources(struct igb_ring *rx_ring)
 {
-	struct pci_dev *pdev = rx_ring->adapter->pdev;
+	struct pci_dev *pdev = rx_ring->q_vector->adapter->pdev;
 
 	igb_clean_rx_ring(rx_ring);
 
@@ -2434,7 +2600,7 @@ static void igb_free_all_rx_resources(struct igb_adapter *adapter)
  **/
 static void igb_clean_rx_ring(struct igb_ring *rx_ring)
 {
-	struct igb_adapter *adapter = rx_ring->adapter;
+	struct igb_adapter *adapter = rx_ring->q_vector->adapter;
 	struct igb_buffer *buffer_info;
 	struct pci_dev *pdev = adapter->pdev;
 	unsigned long size;
@@ -2749,7 +2915,6 @@ static void igb_watchdog_task(struct work_struct *work)
 	struct net_device *netdev = adapter->netdev;
 	struct igb_ring *tx_ring = adapter->tx_ring;
 	u32 link;
-	u32 eics = 0;
 	int i;
 
 	link = igb_has_link(adapter);
@@ -2848,8 +3013,11 @@ link_up:
 
 	/* Cause software interrupt to ensure rx ring is cleaned */
 	if (adapter->msix_entries) {
-		for (i = 0; i < adapter->num_rx_queues; i++)
-			eics |= adapter->rx_ring[i].eims_value;
+		u32 eics = 0;
+		for (i = 0; i < adapter->num_q_vectors; i++) {
+			struct igb_q_vector *q_vector = adapter->q_vector[i];
+			eics |= q_vector->eims_value;
+		}
 		wr32(E1000_EICS, eics);
 	} else {
 		wr32(E1000_ICS, E1000_ICS_RXDMT0);
@@ -2886,25 +3054,37 @@ enum latency_range {
  *      parameter (see igb_param.c)
  *      NOTE:  This function is called only when operating in a multiqueue
  *             receive environment.
- * @rx_ring: pointer to ring
+ * @q_vector: pointer to q_vector
  **/
-static void igb_update_ring_itr(struct igb_ring *rx_ring)
+static void igb_update_ring_itr(struct igb_q_vector *q_vector)
 {
-	int new_val = rx_ring->itr_val;
+	int new_val = q_vector->itr_val;
 	int avg_wire_size = 0;
-	struct igb_adapter *adapter = rx_ring->adapter;
-
-	if (!rx_ring->total_packets)
-		goto clear_counts; /* no packets, so don't do anything */
+	struct igb_adapter *adapter = q_vector->adapter;
 
 	/* For non-gigabit speeds, just fix the interrupt rate at 4000
 	 * ints/sec - ITR timer value of 120 ticks.
 	 */
 	if (adapter->link_speed != SPEED_1000) {
-		new_val = 120;
+		new_val = 976;
 		goto set_itr_val;
 	}
-	avg_wire_size = rx_ring->total_bytes / rx_ring->total_packets;
+
+	if (q_vector->rx_ring && q_vector->rx_ring->total_packets) {
+		struct igb_ring *ring = q_vector->rx_ring;
+		avg_wire_size = ring->total_bytes / ring->total_packets;
+	}
+
+	if (q_vector->tx_ring && q_vector->tx_ring->total_packets) {
+		struct igb_ring *ring = q_vector->tx_ring;
+		avg_wire_size = max_t(u32, avg_wire_size,
+		                      (ring->total_bytes /
+		                       ring->total_packets));
+	}
+
+	/* if avg_wire_size isn't set no work was done */
+	if (!avg_wire_size)
+		goto clear_counts;
 
 	/* Add 24 bytes to size to account for CRC, preamble, and gap */
 	avg_wire_size += 24;
@@ -2919,13 +3099,19 @@ static void igb_update_ring_itr(struct igb_ring *rx_ring)
 		new_val = avg_wire_size / 2;
 
 set_itr_val:
-	if (new_val != rx_ring->itr_val) {
-		rx_ring->itr_val = new_val;
-		rx_ring->set_itr = 1;
+	if (new_val != q_vector->itr_val) {
+		q_vector->itr_val = new_val;
+		q_vector->set_itr = 1;
 	}
 clear_counts:
-	rx_ring->total_bytes = 0;
-	rx_ring->total_packets = 0;
+	if (q_vector->rx_ring) {
+		q_vector->rx_ring->total_bytes = 0;
+		q_vector->rx_ring->total_packets = 0;
+	}
+	if (q_vector->tx_ring) {
+		q_vector->tx_ring->total_bytes = 0;
+		q_vector->tx_ring->total_packets = 0;
+	}
 }
 
 /**
@@ -2942,7 +3128,7 @@ clear_counts:
  *      NOTE:  These calculations are only valid when operating in a single-
  *             queue environment.
  * @adapter: pointer to adapter
- * @itr_setting: current adapter->itr
+ * @itr_setting: current q_vector->itr_val
  * @packets: the number of packets during this measurement interval
  * @bytes: the number of bytes during this measurement interval
  **/
@@ -2994,8 +3180,9 @@ update_itr_done:
 
 static void igb_set_itr(struct igb_adapter *adapter)
 {
+	struct igb_q_vector *q_vector = adapter->q_vector[0];
 	u16 current_itr;
-	u32 new_itr = adapter->itr;
+	u32 new_itr = q_vector->itr_val;
 
 	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
 	if (adapter->link_speed != SPEED_1000) {
@@ -3009,15 +3196,11 @@ static void igb_set_itr(struct igb_adapter *adapter)
 				    adapter->rx_ring->total_packets,
 				    adapter->rx_ring->total_bytes);
 
-	if (adapter->rx_ring->buddy) {
-		adapter->tx_itr = igb_update_itr(adapter,
-					    adapter->tx_itr,
-					    adapter->tx_ring->total_packets,
-					    adapter->tx_ring->total_bytes);
-		current_itr = max(adapter->rx_itr, adapter->tx_itr);
-	} else {
-		current_itr = adapter->rx_itr;
-	}
+	adapter->tx_itr = igb_update_itr(adapter,
+				    adapter->tx_itr,
+				    adapter->tx_ring->total_packets,
+				    adapter->tx_ring->total_bytes);
+	current_itr = max(adapter->rx_itr, adapter->tx_itr);
 
 	/* conservative mode (itr 3) eliminates the lowest_latency setting */
 	if (adapter->itr_setting == 3 && current_itr == lowest_latency)
@@ -3041,18 +3224,17 @@ static void igb_set_itr(struct igb_adapter *adapter)
 set_itr_now:
 	adapter->rx_ring->total_bytes = 0;
 	adapter->rx_ring->total_packets = 0;
-	if (adapter->rx_ring->buddy) {
-		adapter->rx_ring->buddy->total_bytes = 0;
-		adapter->rx_ring->buddy->total_packets = 0;
-	}
+	adapter->tx_ring->total_bytes = 0;
+	adapter->tx_ring->total_packets = 0;
 
-	if (new_itr != adapter->itr) {
+	if (new_itr != q_vector->itr_val) {
 		/* this attempts to bias the interrupt rate towards Bulk
 		 * by adding intermediate steps when interrupt rate is
 		 * increasing */
-		new_itr = new_itr > adapter->itr ?
-			     max((new_itr * adapter->itr) /
-			         (new_itr + (adapter->itr >> 2)), new_itr) :
+		new_itr = new_itr > q_vector->itr_val ?
+		             max((new_itr * q_vector->itr_val) /
+		                 (new_itr + (q_vector->itr_val >> 2)),
+		                 new_itr) :
 			     new_itr;
 		/* Don't write the value here; it resets the adapter's
 		 * internal timer, and causes us to delay far longer than
@@ -3060,15 +3242,13 @@ set_itr_now:
 		 * value at the beginning of the next interrupt so the timing
 		 * ends up being correct.
 		 */
-		adapter->itr = new_itr;
-		adapter->rx_ring->itr_val = new_itr;
-		adapter->rx_ring->set_itr = 1;
+		q_vector->itr_val = new_itr;
+		q_vector->set_itr = 1;
 	}
 
 	return;
 }
 
-
 #define IGB_TX_FLAGS_CSUM		0x00000001
 #define IGB_TX_FLAGS_VLAN		0x00000002
 #define IGB_TX_FLAGS_TSO		0x00000004
@@ -3781,14 +3961,12 @@ void igb_update_stats(struct igb_adapter *adapter)
 
 static irqreturn_t igb_msix_other(int irq, void *data)
 {
-	struct net_device *netdev = data;
-	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct igb_adapter *adapter = data;
 	struct e1000_hw *hw = &adapter->hw;
 	u32 icr = rd32(E1000_ICR);
-
 	/* reading ICR causes bit 31 of EICR to be cleared */
 
-	if(icr & E1000_ICR_DOUTSYNC) {
+	if (icr & E1000_ICR_DOUTSYNC) {
 		/* HW is reporting DMA is out of sync */
 		adapter->stats.doosync++;
 	}
@@ -3810,119 +3988,79 @@ static irqreturn_t igb_msix_other(int irq, void *data)
 	return IRQ_HANDLED;
 }
 
-static irqreturn_t igb_msix_tx(int irq, void *data)
+static void igb_write_itr(struct igb_q_vector *q_vector)
 {
-	struct igb_ring *tx_ring = data;
-	struct igb_adapter *adapter = tx_ring->adapter;
-	struct e1000_hw *hw = &adapter->hw;
+	u32 itr_val = q_vector->itr_val & 0x7FFC;
 
-#ifdef CONFIG_IGB_DCA
-	if (adapter->flags & IGB_FLAG_DCA_ENABLED)
-		igb_update_tx_dca(tx_ring);
-#endif
+	if (!q_vector->set_itr)
+		return;
 
-	tx_ring->total_bytes = 0;
-	tx_ring->total_packets = 0;
+	if (!itr_val)
+		itr_val = 0x4;
 
-	/* auto mask will automatically reenable the interrupt when we write
-	 * EICS */
-	if (!igb_clean_tx_irq(tx_ring))
-		/* Ring was not completely cleaned, so fire another interrupt */
-		wr32(E1000_EICS, tx_ring->eims_value);
+	if (q_vector->itr_shift)
+		itr_val |= itr_val << q_vector->itr_shift;
 	else
-		wr32(E1000_EIMS, tx_ring->eims_value);
+		itr_val |= 0x8000000;
 
-	return IRQ_HANDLED;
-}
-
-static void igb_write_itr(struct igb_ring *ring)
-{
-	struct e1000_hw *hw = &ring->adapter->hw;
-	if ((ring->adapter->itr_setting & 3) && ring->set_itr) {
-		switch (hw->mac.type) {
-		case e1000_82576:
-			wr32(ring->itr_register, ring->itr_val |
-			     0x80000000);
-			break;
-		default:
-			wr32(ring->itr_register, ring->itr_val |
-			     (ring->itr_val << 16));
-			break;
-		}
-		ring->set_itr = 0;
-	}
+	writel(itr_val, q_vector->itr_register);
+	q_vector->set_itr = 0;
 }
 
-static irqreturn_t igb_msix_rx(int irq, void *data)
+static irqreturn_t igb_msix_ring(int irq, void *data)
 {
-	struct igb_ring *rx_ring = data;
-
-	/* Write the ITR value calculated at the end of the
-	 * previous interrupt.
-	 */
+	struct igb_q_vector *q_vector = data;
 
-	igb_write_itr(rx_ring);
+	/* Write the ITR value calculated from the previous interrupt. */
+	igb_write_itr(q_vector);
 
-	if (napi_schedule_prep(&rx_ring->napi))
-		__napi_schedule(&rx_ring->napi);
+	napi_schedule(&q_vector->napi);
 
-#ifdef CONFIG_IGB_DCA
-	if (rx_ring->adapter->flags & IGB_FLAG_DCA_ENABLED)
-		igb_update_rx_dca(rx_ring);
-#endif
-		return IRQ_HANDLED;
+	return IRQ_HANDLED;
 }
 
 #ifdef CONFIG_IGB_DCA
-static void igb_update_rx_dca(struct igb_ring *rx_ring)
+static void igb_update_dca(struct igb_q_vector *q_vector)
 {
-	u32 dca_rxctrl;
-	struct igb_adapter *adapter = rx_ring->adapter;
+	struct igb_adapter *adapter = q_vector->adapter;
 	struct e1000_hw *hw = &adapter->hw;
 	int cpu = get_cpu();
-	int q = rx_ring->reg_idx;
 
-	if (rx_ring->cpu != cpu) {
-		dca_rxctrl = rd32(E1000_DCA_RXCTRL(q));
-		if (hw->mac.type == e1000_82576) {
-			dca_rxctrl &= ~E1000_DCA_RXCTRL_CPUID_MASK_82576;
-			dca_rxctrl |= dca3_get_tag(&adapter->pdev->dev, cpu) <<
-			              E1000_DCA_RXCTRL_CPUID_SHIFT;
+	if (q_vector->cpu == cpu)
+		goto out_no_update;
+
+	if (q_vector->tx_ring) {
+		int q = q_vector->tx_ring->reg_idx;
+		u32 dca_txctrl = rd32(E1000_DCA_TXCTRL(q));
+		if (hw->mac.type == e1000_82575) {
+			dca_txctrl &= ~E1000_DCA_TXCTRL_CPUID_MASK;
+			dca_txctrl |= dca3_get_tag(&adapter->pdev->dev, cpu);
 		} else {
+			dca_txctrl &= ~E1000_DCA_TXCTRL_CPUID_MASK_82576;
+			dca_txctrl |= dca3_get_tag(&adapter->pdev->dev, cpu) <<
+			              E1000_DCA_TXCTRL_CPUID_SHIFT;
+		}
+		dca_txctrl |= E1000_DCA_TXCTRL_DESC_DCA_EN;
+		wr32(E1000_DCA_TXCTRL(q), dca_txctrl);
+	}
+	if (q_vector->rx_ring) {
+		int q = q_vector->rx_ring->reg_idx;
+		u32 dca_rxctrl = rd32(E1000_DCA_RXCTRL(q));
+		if (hw->mac.type == e1000_82575) {
 			dca_rxctrl &= ~E1000_DCA_RXCTRL_CPUID_MASK;
 			dca_rxctrl |= dca3_get_tag(&adapter->pdev->dev, cpu);
+		} else {
+			dca_rxctrl &= ~E1000_DCA_RXCTRL_CPUID_MASK_82576;
+			dca_rxctrl |= dca3_get_tag(&adapter->pdev->dev, cpu) <<
+			              E1000_DCA_RXCTRL_CPUID_SHIFT;
 		}
 		dca_rxctrl |= E1000_DCA_RXCTRL_DESC_DCA_EN;
 		dca_rxctrl |= E1000_DCA_RXCTRL_HEAD_DCA_EN;
 		dca_rxctrl |= E1000_DCA_RXCTRL_DATA_DCA_EN;
 		wr32(E1000_DCA_RXCTRL(q), dca_rxctrl);
-		rx_ring->cpu = cpu;
-	}
-	put_cpu();
-}
-
-static void igb_update_tx_dca(struct igb_ring *tx_ring)
-{
-	u32 dca_txctrl;
-	struct igb_adapter *adapter = tx_ring->adapter;
-	struct e1000_hw *hw = &adapter->hw;
-	int cpu = get_cpu();
-	int q = tx_ring->reg_idx;
-
-	if (tx_ring->cpu != cpu) {
-		dca_txctrl = rd32(E1000_DCA_TXCTRL(q));
-		if (hw->mac.type == e1000_82576) {
-			dca_txctrl &= ~E1000_DCA_TXCTRL_CPUID_MASK_82576;
-			dca_txctrl |= dca3_get_tag(&adapter->pdev->dev, cpu) <<
-			              E1000_DCA_TXCTRL_CPUID_SHIFT;
-		} else {
-			dca_txctrl &= ~E1000_DCA_TXCTRL_CPUID_MASK;
-			dca_txctrl |= dca3_get_tag(&adapter->pdev->dev, cpu);
-		}
-		dca_txctrl |= E1000_DCA_TXCTRL_DESC_DCA_EN;
-		wr32(E1000_DCA_TXCTRL(q), dca_txctrl);
-		tx_ring->cpu = cpu;
 	}
+	q_vector->cpu = cpu;
+out_no_update:
 	put_cpu();
 }
 
@@ -3937,13 +4075,10 @@ static void igb_setup_dca(struct igb_adapter *adapter)
 	/* Always use CB2 mode, difference is masked in the CB driver. */
 	wr32(E1000_DCA_CTRL, E1000_DCA_CTRL_DCA_MODE_CB2);
 
-	for (i = 0; i < adapter->num_tx_queues; i++) {
-		adapter->tx_ring[i].cpu = -1;
-		igb_update_tx_dca(&adapter->tx_ring[i]);
-	}
-	for (i = 0; i < adapter->num_rx_queues; i++) {
-		adapter->rx_ring[i].cpu = -1;
-		igb_update_rx_dca(&adapter->rx_ring[i]);
+	for (i = 0; i < adapter->num_q_vectors; i++) {
+		struct igb_q_vector *q_vector = adapter->q_vector[i];
+		q_vector->cpu = -1;
+		igb_update_dca(q_vector);
 	}
 }
 
@@ -3972,7 +4107,7 @@ static int __igb_notify_dca(struct device *dev, void *data)
 	case DCA_PROVIDER_REMOVE:
 		if (adapter->flags & IGB_FLAG_DCA_ENABLED) {
 			/* without this a class_device is left
- 			 * hanging around in the sysfs model */
+			 * hanging around in the sysfs model */
 			dca_remove_requester(dev);
 			dev_info(&adapter->pdev->dev, "DCA disabled\n");
 			adapter->flags &= ~IGB_FLAG_DCA_ENABLED;
@@ -4379,15 +4514,15 @@ static void igb_set_uta(struct igb_adapter *adapter)
  **/
 static irqreturn_t igb_intr_msi(int irq, void *data)
 {
-	struct net_device *netdev = data;
-	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct igb_adapter *adapter = data;
+	struct igb_q_vector *q_vector = adapter->q_vector[0];
 	struct e1000_hw *hw = &adapter->hw;
 	/* read ICR disables interrupts using IAM */
 	u32 icr = rd32(E1000_ICR);
 
-	igb_write_itr(adapter->rx_ring);
+	igb_write_itr(q_vector);
 
-	if(icr & E1000_ICR_DOUTSYNC) {
+	if (icr & E1000_ICR_DOUTSYNC) {
 		/* HW is reporting DMA is out of sync */
 		adapter->stats.doosync++;
 	}
@@ -4398,7 +4533,7 @@ static irqreturn_t igb_intr_msi(int irq, void *data)
 			mod_timer(&adapter->watchdog_timer, jiffies + 1);
 	}
 
-	napi_schedule(&adapter->rx_ring[0].napi);
+	napi_schedule(&q_vector->napi);
 
 	return IRQ_HANDLED;
 }
@@ -4410,8 +4545,8 @@ static irqreturn_t igb_intr_msi(int irq, void *data)
  **/
 static irqreturn_t igb_intr(int irq, void *data)
 {
-	struct net_device *netdev = data;
-	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct igb_adapter *adapter = data;
+	struct igb_q_vector *q_vector = adapter->q_vector[0];
 	struct e1000_hw *hw = &adapter->hw;
 	/* Interrupt Auto-Mask...upon reading ICR, interrupts are masked.  No
 	 * need for the IMC write */
@@ -4419,14 +4554,14 @@ static irqreturn_t igb_intr(int irq, void *data)
 	if (!icr)
 		return IRQ_NONE;  /* Not our interrupt */
 
-	igb_write_itr(adapter->rx_ring);
+	igb_write_itr(q_vector);
 
 	/* IMS will not auto-mask if INT_ASSERTED is not set, and if it is
 	 * not set, then the adapter didn't send an interrupt */
 	if (!(icr & E1000_ICR_INT_ASSERTED))
 		return IRQ_NONE;
 
-	if(icr & E1000_ICR_DOUTSYNC) {
+	if (icr & E1000_ICR_DOUTSYNC) {
 		/* HW is reporting DMA is out of sync */
 		adapter->stats.doosync++;
 	}
@@ -4438,26 +4573,26 @@ static irqreturn_t igb_intr(int irq, void *data)
 			mod_timer(&adapter->watchdog_timer, jiffies + 1);
 	}
 
-	napi_schedule(&adapter->rx_ring[0].napi);
+	napi_schedule(&q_vector->napi);
 
 	return IRQ_HANDLED;
 }
 
-static inline void igb_rx_irq_enable(struct igb_ring *rx_ring)
+static inline void igb_ring_irq_enable(struct igb_q_vector *q_vector)
 {
-	struct igb_adapter *adapter = rx_ring->adapter;
+	struct igb_adapter *adapter = q_vector->adapter;
 	struct e1000_hw *hw = &adapter->hw;
 
 	if (adapter->itr_setting & 3) {
-		if (adapter->num_rx_queues == 1)
+		if (!adapter->msix_entries)
 			igb_set_itr(adapter);
 		else
-			igb_update_ring_itr(rx_ring);
+			igb_update_ring_itr(q_vector);
 	}
 
 	if (!test_bit(__IGB_DOWN, &adapter->state)) {
 		if (adapter->msix_entries)
-			wr32(E1000_EIMS, rx_ring->eims_value);
+			wr32(E1000_EIMS, q_vector->eims_value);
 		else
 			igb_irq_enable(adapter);
 	}
@@ -4470,28 +4605,28 @@ static inline void igb_rx_irq_enable(struct igb_ring *rx_ring)
  **/
 static int igb_poll(struct napi_struct *napi, int budget)
 {
-	struct igb_ring *rx_ring = container_of(napi, struct igb_ring, napi);
-	int work_done = 0;
+	struct igb_q_vector *q_vector = container_of(napi,
+	                                             struct igb_q_vector,
+	                                             napi);
+	int tx_clean_complete = 1, work_done = 0;
 
 #ifdef CONFIG_IGB_DCA
-	if (rx_ring->adapter->flags & IGB_FLAG_DCA_ENABLED)
-		igb_update_rx_dca(rx_ring);
+	if (q_vector->adapter->flags & IGB_FLAG_DCA_ENABLED)
+		igb_update_dca(q_vector);
 #endif
-	igb_clean_rx_irq_adv(rx_ring, &work_done, budget);
+	if (q_vector->tx_ring)
+		tx_clean_complete = igb_clean_tx_irq(q_vector);
 
-	if (rx_ring->buddy) {
-#ifdef CONFIG_IGB_DCA
-		if (rx_ring->adapter->flags & IGB_FLAG_DCA_ENABLED)
-			igb_update_tx_dca(rx_ring->buddy);
-#endif
-		if (!igb_clean_tx_irq(rx_ring->buddy))
-			work_done = budget;
-	}
+	if (q_vector->rx_ring)
+		igb_clean_rx_irq_adv(q_vector, &work_done, budget);
+
+	if (!tx_clean_complete)
+		work_done = budget;
 
 	/* If not enough Rx work done, exit the polling mode */
 	if (work_done < budget) {
 		napi_complete(napi);
-		igb_rx_irq_enable(rx_ring);
+		igb_ring_irq_enable(q_vector);
 	}
 
 	return work_done;
@@ -4533,12 +4668,13 @@ static void igb_tx_hwtstamp(struct igb_adapter *adapter, struct sk_buff *skb)
 
 /**
  * igb_clean_tx_irq - Reclaim resources after transmit completes
- * @adapter: board private structure
+ * @q_vector: pointer to q_vector containing needed info
  * returns true if ring is completely cleaned
  **/
-static bool igb_clean_tx_irq(struct igb_ring *tx_ring)
+static bool igb_clean_tx_irq(struct igb_q_vector *q_vector)
 {
-	struct igb_adapter *adapter = tx_ring->adapter;
+	struct igb_adapter *adapter = q_vector->adapter;
+	struct igb_ring *tx_ring = q_vector->tx_ring;
 	struct net_device *netdev = adapter->netdev;
 	struct e1000_hw *hw = &adapter->hw;
 	struct igb_buffer *buffer_info;
@@ -4646,25 +4782,21 @@ static bool igb_clean_tx_irq(struct igb_ring *tx_ring)
 
 /**
  * igb_receive_skb - helper function to handle rx indications
- * @ring: pointer to receive ring receving this packet
- * @status: descriptor status field as written by hardware
- * @rx_desc: receive descriptor containing vlan and type information.
- * @skb: pointer to sk_buff to be indicated to stack
+ * @q_vector: structure containing interrupt and ring information
+ * @skb: packet to send up
+ * @vlan_tag: vlan tag for packet
  **/
-static void igb_receive_skb(struct igb_ring *ring, u8 status,
-                            union e1000_adv_rx_desc * rx_desc,
-                            struct sk_buff *skb)
-{
-	struct igb_adapter * adapter = ring->adapter;
-	bool vlan_extracted = (adapter->vlgrp && (status & E1000_RXD_STAT_VP));
-
-	skb_record_rx_queue(skb, ring->queue_index);
-	if (vlan_extracted)
-		vlan_gro_receive(&ring->napi, adapter->vlgrp,
-		                 le16_to_cpu(rx_desc->wb.upper.vlan),
-		                 skb);
+static void igb_receive_skb(struct igb_q_vector *q_vector,
+                            struct sk_buff *skb,
+                            u16 vlan_tag)
+{
+	struct igb_adapter *adapter = q_vector->adapter;
+
+	if (vlan_tag)
+		vlan_gro_receive(&q_vector->napi, adapter->vlgrp,
+		                 vlan_tag, skb);
 	else
-		napi_gro_receive(&ring->napi, skb);
+		napi_gro_receive(&q_vector->napi, skb);
 }
 
 static inline void igb_rx_checksum_adv(struct igb_adapter *adapter,
@@ -4712,11 +4844,12 @@ static inline u16 igb_get_hlen(struct igb_adapter *adapter,
 	return hlen;
 }
 
-static bool igb_clean_rx_irq_adv(struct igb_ring *rx_ring,
-				 int *work_done, int budget)
+static bool igb_clean_rx_irq_adv(struct igb_q_vector *q_vector,
+                                 int *work_done, int budget)
 {
-	struct igb_adapter *adapter = rx_ring->adapter;
+	struct igb_adapter *adapter = q_vector->adapter;
 	struct net_device *netdev = adapter->netdev;
+	struct igb_ring *rx_ring = q_vector->rx_ring;
 	struct e1000_hw *hw = &adapter->hw;
 	struct pci_dev *pdev = adapter->pdev;
 	union e1000_adv_rx_desc *rx_desc , *next_rxd;
@@ -4728,6 +4861,7 @@ static bool igb_clean_rx_irq_adv(struct igb_ring *rx_ring,
 	unsigned int i;
 	u32 staterr;
 	u16 length;
+	u16 vlan_tag;
 
 	i = rx_ring->next_to_clean;
 	buffer_info = &rx_ring->buffer_info[i];
@@ -4855,8 +4989,12 @@ send_up:
 		igb_rx_checksum_adv(adapter, staterr, skb);
 
 		skb->protocol = eth_type_trans(skb, netdev);
+		skb_record_rx_queue(skb, rx_ring->queue_index);
+
+		vlan_tag = ((staterr & E1000_RXD_STAT_VP) ?
+		            le16_to_cpu(rx_desc->wb.upper.vlan) : 0);
 
-		igb_receive_skb(rx_ring, staterr, rx_desc, skb);
+		igb_receive_skb(q_vector, skb, vlan_tag);
 
 next_desc:
 		rx_desc->wb.upper.status_error = 0;
@@ -4895,7 +5033,7 @@ next_desc:
 static void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring,
 				     int cleaned_count)
 {
-	struct igb_adapter *adapter = rx_ring->adapter;
+	struct igb_adapter *adapter = rx_ring->q_vector->adapter;
 	struct net_device *netdev = adapter->netdev;
 	struct pci_dev *pdev = adapter->pdev;
 	union e1000_adv_rx_desc *rx_desc;
@@ -5360,9 +5498,7 @@ static int __igb_shutdown(struct pci_dev *pdev, bool *enable_wake)
 	if (netif_running(netdev))
 		igb_close(netdev);
 
-	igb_reset_interrupt_capability(adapter);
-
-	igb_free_queues(adapter);
+	igb_clear_interrupt_scheme(adapter);
 
 #ifdef CONFIG_PM
 	retval = pci_save_state(pdev);
@@ -5457,9 +5593,7 @@ static int igb_resume(struct pci_dev *pdev)
 	pci_enable_wake(pdev, PCI_D3hot, 0);
 	pci_enable_wake(pdev, PCI_D3cold, 0);
 
-	igb_set_interrupt_capability(adapter);
-
-	if (igb_alloc_queues(adapter)) {
+	if (igb_init_interrupt_scheme(adapter)) {
 		dev_err(&pdev->dev, "Unable to allocate memory for queues\n");
 		return -ENOMEM;
 	}
@@ -5511,22 +5645,16 @@ static void igb_netpoll(struct net_device *netdev)
 	int i;
 
 	if (!adapter->msix_entries) {
+		struct igb_q_vector *q_vector = adapter->q_vector[0];
 		igb_irq_disable(adapter);
-		napi_schedule(&adapter->rx_ring[0].napi);
+		napi_schedule(&q_vector->napi);
 		return;
 	}
 
-	for (i = 0; i < adapter->num_tx_queues; i++) {
-		struct igb_ring *tx_ring = &adapter->tx_ring[i];
-		wr32(E1000_EIMC, tx_ring->eims_value);
-		igb_clean_tx_irq(tx_ring);
-		wr32(E1000_EIMS, tx_ring->eims_value);
-	}
-
-	for (i = 0; i < adapter->num_rx_queues; i++) {
-		struct igb_ring *rx_ring = &adapter->rx_ring[i];
-		wr32(E1000_EIMC, rx_ring->eims_value);
-		napi_schedule(&rx_ring->napi);
+	for (i = 0; i < adapter->num_q_vectors; i++) {
+		struct igb_q_vector *q_vector = adapter->q_vector[i];
+		wr32(E1000_EIMC, q_vector->eims_value);
+		napi_schedule(&q_vector->napi);
 	}
 }
 #endif /* CONFIG_NET_POLL_CONTROLLER */
-- 
GitLab


From 094919a4b0c56d6afbfb5ea14567fbb2f8d47554 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 15:49:49 +0000
Subject: [PATCH 0614/1815] igb: remove rx checksum good counter

Counting packets with a good checksum can cause a significant amount of cache
line bouncing due to the shared counter being written to by all of the queues.
In order to avoid this I am removing the counter since we still have the
checksum failed counter which will tell us if there are any issues.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb.h         | 1 -
 drivers/net/igb/igb_ethtool.c | 1 -
 drivers/net/igb/igb_main.c    | 1 -
 3 files changed, 3 deletions(-)

diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index 86492c8957e..d27dcd1289c 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -254,7 +254,6 @@ struct igb_adapter {
 	int num_rx_queues;
 
 	u64 hw_csum_err;
-	u64 hw_csum_good;
 	u32 alloc_rx_buff_failed;
 	u32 gorc;
 	u64 gorc_old;
diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
index f71276fec3f..2929546115c 100644
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -95,7 +95,6 @@ static const struct igb_stats igb_gstrings_stats[] = {
 	{ "tx_flow_control_xon", IGB_STAT(stats.xontxc) },
 	{ "tx_flow_control_xoff", IGB_STAT(stats.xofftxc) },
 	{ "rx_long_byte_count", IGB_STAT(stats.gorc) },
-	{ "rx_csum_offload_good", IGB_STAT(hw_csum_good) },
 	{ "rx_csum_offload_errors", IGB_STAT(hw_csum_err) },
 	{ "tx_dma_out_of_sync", IGB_STAT(stats.doosync) },
 	{ "alloc_rx_buff_failed", IGB_STAT(alloc_rx_buff_failed) },
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index c15eb4c3916..e1d1c0c984b 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -4827,7 +4827,6 @@ static inline void igb_rx_checksum_adv(struct igb_adapter *adapter,
 		skb->ip_summed = CHECKSUM_UNNECESSARY;
 
 	dev_dbg(&adapter->pdev->dev, "cksum success: bits %08X\n", status_err);
-	adapter->hw_csum_good++;
 }
 
 static inline u16 igb_get_hlen(struct igb_adapter *adapter,
-- 
GitLab


From 7d95b7170eca3f95bad939fc9eb365b823c05e39 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 15:50:08 +0000
Subject: [PATCH 0615/1815] igb: increase minimum rx buffer size to 1K

This update increases the minimum rx buffer size to 1K.  The reason for this
change is to support SR-IOV and avoid any conflicts with the rings being able
to set their own MTU sizes.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb.h      |  2 --
 drivers/net/igb/igb_main.c | 25 +++----------------------
 2 files changed, 3 insertions(+), 24 deletions(-)

diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index d27dcd1289c..044ba02211c 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -96,8 +96,6 @@ struct vf_data_storage {
 
 /* Supported Rx Buffer Sizes */
 #define IGB_RXBUFFER_128   128    /* Used for packet split */
-#define IGB_RXBUFFER_256   256    /* Used for packet split */
-#define IGB_RXBUFFER_512   512
 #define IGB_RXBUFFER_1024  1024
 #define IGB_RXBUFFER_2048  2048
 #define IGB_RXBUFFER_16384 16384
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index e1d1c0c984b..6146f5db987 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -2233,18 +2233,8 @@ static void igb_setup_rctl(struct igb_adapter *adapter)
 		rctl |= E1000_RCTL_LPE;
 
 	/* Setup buffer sizes */
-	switch (adapter->rx_buffer_len) {
-	case IGB_RXBUFFER_256:
-		rctl |= E1000_RCTL_SZ_256;
-		break;
-	case IGB_RXBUFFER_512:
-		rctl |= E1000_RCTL_SZ_512;
-		break;
-	default:
-		srrctl = ALIGN(adapter->rx_buffer_len, 1024)
-		         >> E1000_SRRCTL_BSIZEPKT_SHIFT;
-		break;
-	}
+	srrctl = ALIGN(adapter->rx_buffer_len, 1024)
+	         >> E1000_SRRCTL_BSIZEPKT_SHIFT;
 
 	/* 82575 and greater support packet-split where the protocol
 	 * header is placed in skb->data and the packet data is
@@ -3755,11 +3745,7 @@ static int igb_change_mtu(struct net_device *netdev, int new_mtu)
 	 * i.e. RXBUFFER_2048 --> size-4096 slab
 	 */
 
-	if (max_frame <= IGB_RXBUFFER_256)
-		adapter->rx_buffer_len = IGB_RXBUFFER_256;
-	else if (max_frame <= IGB_RXBUFFER_512)
-		adapter->rx_buffer_len = IGB_RXBUFFER_512;
-	else if (max_frame <= IGB_RXBUFFER_1024)
+	if (max_frame <= IGB_RXBUFFER_1024)
 		adapter->rx_buffer_len = IGB_RXBUFFER_1024;
 	else if (max_frame <= IGB_RXBUFFER_2048)
 		adapter->rx_buffer_len = IGB_RXBUFFER_2048;
@@ -3770,11 +3756,6 @@ static int igb_change_mtu(struct net_device *netdev, int new_mtu)
 		adapter->rx_buffer_len = PAGE_SIZE / 2;
 #endif
 
-	/* if sr-iov is enabled we need to force buffer size to 1K or larger */
-	if (adapter->vfs_allocated_count &&
-	    (adapter->rx_buffer_len < IGB_RXBUFFER_1024))
-		adapter->rx_buffer_len = IGB_RXBUFFER_1024;
-
 	/* adjust allocation if LPE protects us, and we aren't using SBP */
 	if ((max_frame == ETH_FRAME_LEN + ETH_FCS_LEN) ||
 	     (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE))
-- 
GitLab


From 85b430b47736d1f59e8f9efb0e47bc46aeb2b01d Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 15:50:29 +0000
Subject: [PATCH 0616/1815] igb: move the tx and rx ring specific config into
 seperate functions

This change makes the tx and rx config a bit cleaner by breaking out the ring
specific configuration from the generic rx and tx configuration.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb.h      |   6 +-
 drivers/net/igb/igb_main.c | 179 +++++++++++++++++++++++--------------
 2 files changed, 117 insertions(+), 68 deletions(-)

diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index 044ba02211c..1675f6a9ef2 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -87,9 +87,13 @@ struct vf_data_storage {
  *           descriptors until either it has this many to write back, or the
  *           ITR timer expires.
  */
-#define IGB_RX_PTHRESH                    16
+#define IGB_RX_PTHRESH                    (hw->mac.type <= e1000_82576 ? 16 : 8)
 #define IGB_RX_HTHRESH                     8
 #define IGB_RX_WTHRESH                     1
+#define IGB_TX_PTHRESH                     8
+#define IGB_TX_HTHRESH                     1
+#define IGB_TX_WTHRESH                     ((hw->mac.type == e1000_82576 && \
+                                             adapter->msix_entries) ? 0 : 16)
 
 /* this is the size past which hardware will drop packets when setting LPE=0 */
 #define MAXIMUM_ETHERNET_VLAN_SIZE 1522
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 6146f5db987..61ef4c2c4fc 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -90,6 +90,7 @@ static int igb_open(struct net_device *);
 static int igb_close(struct net_device *);
 static void igb_configure_tx(struct igb_adapter *);
 static void igb_configure_rx(struct igb_adapter *);
+static void igb_setup_tctl(struct igb_adapter *);
 static void igb_setup_rctl(struct igb_adapter *);
 static void igb_clean_all_tx_rings(struct igb_adapter *);
 static void igb_clean_all_rx_rings(struct igb_adapter *);
@@ -1101,8 +1102,10 @@ static void igb_configure(struct igb_adapter *adapter)
 
 	igb_restore_vlan(adapter);
 
-	igb_configure_tx(adapter);
+	igb_setup_tctl(adapter);
 	igb_setup_rctl(adapter);
+
+	igb_configure_tx(adapter);
 	igb_configure_rx(adapter);
 
 	igb_rx_fifo_flush_82575(&adapter->hw);
@@ -2069,49 +2072,16 @@ static int igb_setup_all_tx_resources(struct igb_adapter *adapter)
 }
 
 /**
- * igb_configure_tx - Configure transmit Unit after Reset
- * @adapter: board private structure
- *
- * Configure the Tx unit of the MAC after a reset.
+ * igb_setup_tctl - configure the transmit control registers
+ * @adapter: Board private structure
  **/
-static void igb_configure_tx(struct igb_adapter *adapter)
+static void igb_setup_tctl(struct igb_adapter *adapter)
 {
-	u64 tdba;
 	struct e1000_hw *hw = &adapter->hw;
 	u32 tctl;
-	u32 txdctl, txctrl;
-	int i, j;
-
-	for (i = 0; i < adapter->num_tx_queues; i++) {
-		struct igb_ring *ring = &adapter->tx_ring[i];
-		j = ring->reg_idx;
-		wr32(E1000_TDLEN(j),
-		     ring->count * sizeof(union e1000_adv_tx_desc));
-		tdba = ring->dma;
-		wr32(E1000_TDBAL(j),
-		     tdba & 0x00000000ffffffffULL);
-		wr32(E1000_TDBAH(j), tdba >> 32);
-
-		ring->head = E1000_TDH(j);
-		ring->tail = E1000_TDT(j);
-		writel(0, hw->hw_addr + ring->tail);
-		writel(0, hw->hw_addr + ring->head);
-		txdctl = rd32(E1000_TXDCTL(j));
-		txdctl |= E1000_TXDCTL_QUEUE_ENABLE;
-		wr32(E1000_TXDCTL(j), txdctl);
-
-		/* Turn off Relaxed Ordering on head write-backs.  The
-		 * writebacks MUST be delivered in order or it will
-		 * completely screw up our bookeeping.
-		 */
-		txctrl = rd32(E1000_DCA_TXCTRL(j));
-		txctrl &= ~E1000_DCA_TXCTRL_TX_WB_RO_EN;
-		wr32(E1000_DCA_TXCTRL(j), txctrl);
-	}
 
-	/* disable queue 0 to prevent tail bump w/o re-configuration */
-	if (adapter->vfs_allocated_count)
-		wr32(E1000_TXDCTL(0), 0);
+	/* disable queue 0 which is enabled by default on 82575 and 82576 */
+	wr32(E1000_TXDCTL(0), 0);
 
 	/* Program the Transmit Control Register */
 	tctl = rd32(E1000_TCTL);
@@ -2121,15 +2091,70 @@ static void igb_configure_tx(struct igb_adapter *adapter)
 
 	igb_config_collision_dist(hw);
 
-	/* Setup Transmit Descriptor Settings for eop descriptor */
-	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_RS;
-
 	/* Enable transmits */
 	tctl |= E1000_TCTL_EN;
 
 	wr32(E1000_TCTL, tctl);
 }
 
+/**
+ * igb_configure_tx_ring - Configure transmit ring after Reset
+ * @adapter: board private structure
+ * @ring: tx ring to configure
+ *
+ * Configure a transmit ring after a reset.
+ **/
+static void igb_configure_tx_ring(struct igb_adapter *adapter,
+                                  struct igb_ring *ring)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 txdctl;
+	u64 tdba = ring->dma;
+	int reg_idx = ring->reg_idx;
+
+	/* disable the queue */
+	txdctl = rd32(E1000_TXDCTL(reg_idx));
+	wr32(E1000_TXDCTL(reg_idx),
+	                txdctl & ~E1000_TXDCTL_QUEUE_ENABLE);
+	wrfl();
+	mdelay(10);
+
+	wr32(E1000_TDLEN(reg_idx),
+	                ring->count * sizeof(union e1000_adv_tx_desc));
+	wr32(E1000_TDBAL(reg_idx),
+	                tdba & 0x00000000ffffffffULL);
+	wr32(E1000_TDBAH(reg_idx), tdba >> 32);
+
+	ring->head = E1000_TDH(reg_idx);
+	ring->tail = E1000_TDT(reg_idx);
+	writel(0, hw->hw_addr + ring->tail);
+	writel(0, hw->hw_addr + ring->head);
+
+	txdctl |= IGB_TX_PTHRESH;
+	txdctl |= IGB_TX_HTHRESH << 8;
+	txdctl |= IGB_TX_WTHRESH << 16;
+
+	txdctl |= E1000_TXDCTL_QUEUE_ENABLE;
+	wr32(E1000_TXDCTL(reg_idx), txdctl);
+}
+
+/**
+ * igb_configure_tx - Configure transmit Unit after Reset
+ * @adapter: board private structure
+ *
+ * Configure the Tx unit of the MAC after a reset.
+ **/
+static void igb_configure_tx(struct igb_adapter *adapter)
+{
+	int i;
+
+	for (i = 0; i < adapter->num_tx_queues; i++)
+		igb_configure_tx_ring(adapter, &adapter->tx_ring[i]);
+
+	/* Setup Transmit Descriptor Settings for eop descriptor */
+	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_RS;
+}
+
 /**
  * igb_setup_rx_resources - allocate Rx resources (Descriptors)
  * @adapter: board private structure
@@ -2333,6 +2358,49 @@ static void igb_configure_vt_default_pool(struct igb_adapter *adapter)
 	wr32(E1000_VT_CTL, vtctl);
 }
 
+/**
+ * igb_configure_rx_ring - Configure a receive ring after Reset
+ * @adapter: board private structure
+ * @ring: receive ring to be configured
+ *
+ * Configure the Rx unit of the MAC after a reset.
+ **/
+static void igb_configure_rx_ring(struct igb_adapter *adapter,
+                                  struct igb_ring *ring)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u64 rdba = ring->dma;
+	int reg_idx = ring->reg_idx;
+	u32 rxdctl;
+
+	/* disable the queue */
+	rxdctl = rd32(E1000_RXDCTL(reg_idx));
+	wr32(E1000_RXDCTL(reg_idx),
+	                rxdctl & ~E1000_RXDCTL_QUEUE_ENABLE);
+
+	/* Set DMA base address registers */
+	wr32(E1000_RDBAL(reg_idx),
+	     rdba & 0x00000000ffffffffULL);
+	wr32(E1000_RDBAH(reg_idx), rdba >> 32);
+	wr32(E1000_RDLEN(reg_idx),
+	               ring->count * sizeof(union e1000_adv_rx_desc));
+
+	/* initialize head and tail */
+	ring->head = E1000_RDH(reg_idx);
+	ring->tail = E1000_RDT(reg_idx);
+	writel(0, hw->hw_addr + ring->head);
+	writel(0, hw->hw_addr + ring->tail);
+
+	/* enable receive descriptor fetching */
+	rxdctl = rd32(E1000_RXDCTL(reg_idx));
+	rxdctl |= E1000_RXDCTL_QUEUE_ENABLE;
+	rxdctl &= 0xFFF00000;
+	rxdctl |= IGB_RX_PTHRESH;
+	rxdctl |= IGB_RX_HTHRESH << 8;
+	rxdctl |= IGB_RX_WTHRESH << 16;
+	wr32(E1000_RXDCTL(reg_idx), rxdctl);
+}
+
 /**
  * igb_configure_rx - Configure receive Unit after Reset
  * @adapter: board private structure
@@ -2341,10 +2409,8 @@ static void igb_configure_vt_default_pool(struct igb_adapter *adapter)
  **/
 static void igb_configure_rx(struct igb_adapter *adapter)
 {
-	u64 rdba;
 	struct e1000_hw *hw = &adapter->hw;
 	u32 rctl, rxcsum;
-	u32 rxdctl;
 	int i;
 
 	/* disable receives while setting up the descriptors */
@@ -2358,29 +2424,8 @@ static void igb_configure_rx(struct igb_adapter *adapter)
 
 	/* Setup the HW Rx Head and Tail Descriptor Pointers and
 	 * the Base and Length of the Rx Descriptor Ring */
-	for (i = 0; i < adapter->num_rx_queues; i++) {
-		struct igb_ring *ring = &adapter->rx_ring[i];
-		int j = ring->reg_idx;
-		rdba = ring->dma;
-		wr32(E1000_RDBAL(j),
-		     rdba & 0x00000000ffffffffULL);
-		wr32(E1000_RDBAH(j), rdba >> 32);
-		wr32(E1000_RDLEN(j),
-		     ring->count * sizeof(union e1000_adv_rx_desc));
-
-		ring->head = E1000_RDH(j);
-		ring->tail = E1000_RDT(j);
-		writel(0, hw->hw_addr + ring->tail);
-		writel(0, hw->hw_addr + ring->head);
-
-		rxdctl = rd32(E1000_RXDCTL(j));
-		rxdctl |= E1000_RXDCTL_QUEUE_ENABLE;
-		rxdctl &= 0xFFF00000;
-		rxdctl |= IGB_RX_PTHRESH;
-		rxdctl |= IGB_RX_HTHRESH << 8;
-		rxdctl |= IGB_RX_WTHRESH << 16;
-		wr32(E1000_RXDCTL(j), rxdctl);
-	}
+	for (i = 0; i < adapter->num_rx_queues; i++)
+		igb_configure_rx_ring(adapter, &adapter->rx_ring[i]);
 
 	if (adapter->num_rx_queues > 1) {
 		u32 random[10];
-- 
GitLab


From 6ec43fe635fb5c96fbc0955b2794b74fee69b723 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 15:50:48 +0000
Subject: [PATCH 0617/1815] igb: remove rx_ps_hdr_len

This patch removes the rx_ps_hdr_len which isn't really needed since we can
now use rx_buffer_len less than 1K to indicate that we are in a packet split
mode.  We also don't need it since we always use a half page for the data
buffers when receiving so we always know the size to map/unmap.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb.h      |  1 -
 drivers/net/igb/igb_main.c | 98 +++++++++++++++-----------------------
 2 files changed, 38 insertions(+), 61 deletions(-)

diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index 1675f6a9ef2..303df02a690 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -259,7 +259,6 @@ struct igb_adapter {
 	u32 alloc_rx_buff_failed;
 	u32 gorc;
 	u64 gorc_old;
-	u16 rx_ps_hdr_size;
 	u32 max_frame_size;
 	u32 min_frame_size;
 
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 61ef4c2c4fc..24e502df088 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -1862,7 +1862,6 @@ static int __devinit igb_sw_init(struct igb_adapter *adapter)
 	adapter->tx_ring_count = IGB_DEFAULT_TXD;
 	adapter->rx_ring_count = IGB_DEFAULT_RXD;
 	adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
-	adapter->rx_ps_hdr_size = 0; /* disable packet split */
 	adapter->max_frame_size = netdev->mtu + ETH_HLEN + ETH_FCS_LEN;
 	adapter->min_frame_size = ETH_ZLEN + ETH_FCS_LEN;
 
@@ -2254,12 +2253,8 @@ static void igb_setup_rctl(struct igb_adapter *adapter)
 	 */
 	rctl &= ~(E1000_RCTL_SBP | E1000_RCTL_SZ_256);
 
-	/* enable LPE when to prevent packets larger than max_frame_size */
-		rctl |= E1000_RCTL_LPE;
-
-	/* Setup buffer sizes */
-	srrctl = ALIGN(adapter->rx_buffer_len, 1024)
-	         >> E1000_SRRCTL_BSIZEPKT_SHIFT;
+	/* enable LPE to prevent packets larger than max_frame_size */
+	rctl |= E1000_RCTL_LPE;
 
 	/* 82575 and greater support packet-split where the protocol
 	 * header is placed in skb->data and the packet data is
@@ -2270,13 +2265,20 @@ static void igb_setup_rctl(struct igb_adapter *adapter)
 	 */
 	/* allocations using alloc_page take too long for regular MTU
 	 * so only enable packet split for jumbo frames */
-	if (adapter->netdev->mtu > ETH_DATA_LEN) {
-		adapter->rx_ps_hdr_size = IGB_RXBUFFER_128;
-		srrctl |= adapter->rx_ps_hdr_size <<
-			 E1000_SRRCTL_BSIZEHDRSIZE_SHIFT;
+	if (adapter->rx_buffer_len < IGB_RXBUFFER_1024) {
+		srrctl = ALIGN(adapter->rx_buffer_len, 64) <<
+		         E1000_SRRCTL_BSIZEHDRSIZE_SHIFT;
+#if (PAGE_SIZE / 2) > IGB_RXBUFFER_16384
+		srrctl |= IGB_RXBUFFER_16384 >>
+		          E1000_SRRCTL_BSIZEPKT_SHIFT;
+#else
+		srrctl |= (PAGE_SIZE / 2) >>
+		          E1000_SRRCTL_BSIZEPKT_SHIFT;
+#endif
 		srrctl |= E1000_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS;
 	} else {
-		adapter->rx_ps_hdr_size = 0;
+		srrctl = ALIGN(adapter->rx_buffer_len, 1024) >>
+		         E1000_SRRCTL_BSIZEPKT_SHIFT;
 		srrctl |= E1000_SRRCTL_DESCTYPE_ADV_ONEBUF;
 	}
 
@@ -2647,14 +2649,9 @@ static void igb_clean_rx_ring(struct igb_ring *rx_ring)
 	for (i = 0; i < rx_ring->count; i++) {
 		buffer_info = &rx_ring->buffer_info[i];
 		if (buffer_info->dma) {
-			if (adapter->rx_ps_hdr_size)
-				pci_unmap_single(pdev, buffer_info->dma,
-						 adapter->rx_ps_hdr_size,
-						 PCI_DMA_FROMDEVICE);
-			else
-				pci_unmap_single(pdev, buffer_info->dma,
-						 adapter->rx_buffer_len,
-						 PCI_DMA_FROMDEVICE);
+			pci_unmap_single(pdev, buffer_info->dma,
+					 adapter->rx_buffer_len,
+					 PCI_DMA_FROMDEVICE);
 			buffer_info->dma = 0;
 		}
 
@@ -2662,14 +2659,15 @@ static void igb_clean_rx_ring(struct igb_ring *rx_ring)
 			dev_kfree_skb(buffer_info->skb);
 			buffer_info->skb = NULL;
 		}
+		if (buffer_info->page_dma) {
+			pci_unmap_page(pdev, buffer_info->page_dma,
+				       PAGE_SIZE / 2,
+				       PCI_DMA_FROMDEVICE);
+			buffer_info->page_dma = 0;
+		}
 		if (buffer_info->page) {
-			if (buffer_info->page_dma)
-				pci_unmap_page(pdev, buffer_info->page_dma,
-					       PAGE_SIZE / 2,
-					       PCI_DMA_FROMDEVICE);
 			put_page(buffer_info->page);
 			buffer_info->page = NULL;
-			buffer_info->page_dma = 0;
 			buffer_info->page_offset = 0;
 		}
 	}
@@ -3792,19 +3790,10 @@ static int igb_change_mtu(struct net_device *netdev, int new_mtu)
 
 	if (max_frame <= IGB_RXBUFFER_1024)
 		adapter->rx_buffer_len = IGB_RXBUFFER_1024;
-	else if (max_frame <= IGB_RXBUFFER_2048)
-		adapter->rx_buffer_len = IGB_RXBUFFER_2048;
-	else
-#if (PAGE_SIZE / 2) > IGB_RXBUFFER_16384
-		adapter->rx_buffer_len = IGB_RXBUFFER_16384;
-#else
-		adapter->rx_buffer_len = PAGE_SIZE / 2;
-#endif
-
-	/* adjust allocation if LPE protects us, and we aren't using SBP */
-	if ((max_frame == ETH_FRAME_LEN + ETH_FCS_LEN) ||
-	     (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE))
+	else if (max_frame <= MAXIMUM_ETHERNET_VLAN_SIZE)
 		adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
+	else
+		adapter->rx_buffer_len = IGB_RXBUFFER_128;
 
 	dev_info(&adapter->pdev->dev, "changing MTU from %d to %d\n",
 		 netdev->mtu, new_mtu);
@@ -4864,8 +4853,8 @@ static inline u16 igb_get_hlen(struct igb_adapter *adapter,
 	 */
 	u16 hlen = (le16_to_cpu(rx_desc->wb.lower.lo_dword.hdr_info) &
 	           E1000_RXDADV_HDRBUFLEN_MASK) >> E1000_RXDADV_HDRBUFLEN_SHIFT;
-	if (hlen > adapter->rx_ps_hdr_size)
-		hlen = adapter->rx_ps_hdr_size;
+	if (hlen > adapter->rx_buffer_len)
+		hlen = adapter->rx_buffer_len;
 	return hlen;
 }
 
@@ -4913,23 +4902,16 @@ static bool igb_clean_rx_irq_adv(struct igb_q_vector *q_vector,
 		cleaned = true;
 		cleaned_count++;
 
-		/* this is the fast path for the non-packet split case */
-		if (!adapter->rx_ps_hdr_size) {
-			pci_unmap_single(pdev, buffer_info->dma,
-					 adapter->rx_buffer_len,
-					 PCI_DMA_FROMDEVICE);
-			buffer_info->dma = 0;
-			skb_put(skb, length);
-			goto send_up;
-		}
-
 		if (buffer_info->dma) {
-			u16 hlen = igb_get_hlen(adapter, rx_desc);
 			pci_unmap_single(pdev, buffer_info->dma,
-					 adapter->rx_ps_hdr_size,
+					 adapter->rx_buffer_len,
 					 PCI_DMA_FROMDEVICE);
 			buffer_info->dma = 0;
-			skb_put(skb, hlen);
+			if (adapter->rx_buffer_len >= IGB_RXBUFFER_1024) {
+				skb_put(skb, length);
+				goto send_up;
+			}
+			skb_put(skb, igb_get_hlen(adapter, rx_desc));
 		}
 
 		if (length) {
@@ -4942,8 +4924,7 @@ static bool igb_clean_rx_irq_adv(struct igb_q_vector *q_vector,
 						buffer_info->page_offset,
 						length);
 
-			if ((adapter->rx_buffer_len > (PAGE_SIZE / 2)) ||
-			    (page_count(buffer_info->page) != 1))
+			if (page_count(buffer_info->page) != 1)
 				buffer_info->page = NULL;
 			else
 				get_page(buffer_info->page);
@@ -5070,15 +5051,12 @@ static void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring,
 	i = rx_ring->next_to_use;
 	buffer_info = &rx_ring->buffer_info[i];
 
-	if (adapter->rx_ps_hdr_size)
-		bufsz = adapter->rx_ps_hdr_size;
-	else
-		bufsz = adapter->rx_buffer_len;
+	bufsz = adapter->rx_buffer_len;
 
 	while (cleaned_count--) {
 		rx_desc = E1000_RX_DESC_ADV(*rx_ring, i);
 
-		if (adapter->rx_ps_hdr_size && !buffer_info->page_dma) {
+		if ((bufsz < IGB_RXBUFFER_1024) && !buffer_info->page_dma) {
 			if (!buffer_info->page) {
 				buffer_info->page = alloc_page(GFP_ATOMIC);
 				if (!buffer_info->page) {
@@ -5110,7 +5088,7 @@ static void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring,
 		}
 		/* Refresh the desc even if buffer_addrs didn't change because
 		 * each write-back erases this info. */
-		if (adapter->rx_ps_hdr_size) {
+		if (bufsz < IGB_RXBUFFER_1024) {
 			rx_desc->read.pkt_addr =
 			     cpu_to_le64(buffer_info->page_dma);
 			rx_desc->read.hdr_addr = cpu_to_le64(buffer_info->dma);
-- 
GitLab


From 952f72a8ceee3996ef8476a2f05ece1627080c20 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 15:51:07 +0000
Subject: [PATCH 0618/1815] igb: move SRRCTL register configuration into ring
 specific config

The SRRCTL register exists per ring.  Instead of configuring all of them in
the RCTL configuration which is meant to be global it makes more sense to move
this out into the ring specific configuration.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb_main.c | 60 +++++++++++++++-----------------------
 1 file changed, 23 insertions(+), 37 deletions(-)

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 24e502df088..dfca8217c5e 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -2230,8 +2230,6 @@ static void igb_setup_rctl(struct igb_adapter *adapter)
 {
 	struct e1000_hw *hw = &adapter->hw;
 	u32 rctl;
-	u32 srrctl = 0;
-	int i;
 
 	rctl = rd32(E1000_RCTL);
 
@@ -2256,31 +2254,8 @@ static void igb_setup_rctl(struct igb_adapter *adapter)
 	/* enable LPE to prevent packets larger than max_frame_size */
 	rctl |= E1000_RCTL_LPE;
 
-	/* 82575 and greater support packet-split where the protocol
-	 * header is placed in skb->data and the packet data is
-	 * placed in pages hanging off of skb_shinfo(skb)->nr_frags.
-	 * In the case of a non-split, skb->data is linearly filled,
-	 * followed by the page buffers.  Therefore, skb->data is
-	 * sized to hold the largest protocol header.
-	 */
-	/* allocations using alloc_page take too long for regular MTU
-	 * so only enable packet split for jumbo frames */
-	if (adapter->rx_buffer_len < IGB_RXBUFFER_1024) {
-		srrctl = ALIGN(adapter->rx_buffer_len, 64) <<
-		         E1000_SRRCTL_BSIZEHDRSIZE_SHIFT;
-#if (PAGE_SIZE / 2) > IGB_RXBUFFER_16384
-		srrctl |= IGB_RXBUFFER_16384 >>
-		          E1000_SRRCTL_BSIZEPKT_SHIFT;
-#else
-		srrctl |= (PAGE_SIZE / 2) >>
-		          E1000_SRRCTL_BSIZEPKT_SHIFT;
-#endif
-		srrctl |= E1000_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS;
-	} else {
-		srrctl = ALIGN(adapter->rx_buffer_len, 1024) >>
-		         E1000_SRRCTL_BSIZEPKT_SHIFT;
-		srrctl |= E1000_SRRCTL_DESCTYPE_ADV_ONEBUF;
-	}
+	/* disable queue 0 to prevent tail write w/o re-config */
+	wr32(E1000_RXDCTL(0), 0);
 
 	/* Attention!!!  For SR-IOV PF driver operations you must enable
 	 * queue drop for all VF and PF queues to prevent head of line blocking
@@ -2291,10 +2266,6 @@ static void igb_setup_rctl(struct igb_adapter *adapter)
 
 		/* set all queue drop enable bits */
 		wr32(E1000_QDE, ALL_QUEUES);
-		srrctl |= E1000_SRRCTL_DROP_EN;
-
-		/* disable queue 0 to prevent tail write w/o re-config */
-		wr32(E1000_RXDCTL(0), 0);
 
 		vmolr = rd32(E1000_VMOLR(adapter->vfs_allocated_count));
 		if (rctl & E1000_RCTL_LPE)
@@ -2304,11 +2275,6 @@ static void igb_setup_rctl(struct igb_adapter *adapter)
 		wr32(E1000_VMOLR(adapter->vfs_allocated_count), vmolr);
 	}
 
-	for (i = 0; i < adapter->num_rx_queues; i++) {
-		int j = adapter->rx_ring[i].reg_idx;
-		wr32(E1000_SRRCTL(j), srrctl);
-	}
-
 	wr32(E1000_RCTL, rctl);
 }
 
@@ -2373,7 +2339,7 @@ static void igb_configure_rx_ring(struct igb_adapter *adapter,
 	struct e1000_hw *hw = &adapter->hw;
 	u64 rdba = ring->dma;
 	int reg_idx = ring->reg_idx;
-	u32 rxdctl;
+	u32 srrctl, rxdctl;
 
 	/* disable the queue */
 	rxdctl = rd32(E1000_RXDCTL(reg_idx));
@@ -2393,6 +2359,26 @@ static void igb_configure_rx_ring(struct igb_adapter *adapter,
 	writel(0, hw->hw_addr + ring->head);
 	writel(0, hw->hw_addr + ring->tail);
 
+	/* set descriptor configuration */
+	if (adapter->rx_buffer_len < IGB_RXBUFFER_1024) {
+		srrctl = ALIGN(adapter->rx_buffer_len, 64) <<
+		         E1000_SRRCTL_BSIZEHDRSIZE_SHIFT;
+#if (PAGE_SIZE / 2) > IGB_RXBUFFER_16384
+		srrctl |= IGB_RXBUFFER_16384 >>
+		          E1000_SRRCTL_BSIZEPKT_SHIFT;
+#else
+		srrctl |= (PAGE_SIZE / 2) >>
+		          E1000_SRRCTL_BSIZEPKT_SHIFT;
+#endif
+		srrctl |= E1000_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS;
+	} else {
+		srrctl = ALIGN(adapter->rx_buffer_len, 1024) >>
+		         E1000_SRRCTL_BSIZEPKT_SHIFT;
+		srrctl |= E1000_SRRCTL_DESCTYPE_ADV_ONEBUF;
+	}
+
+	wr32(E1000_SRRCTL(reg_idx), srrctl);
+
 	/* enable receive descriptor fetching */
 	rxdctl = rd32(E1000_RXDCTL(reg_idx));
 	rxdctl |= E1000_RXDCTL_QUEUE_ENABLE;
-- 
GitLab


From fce99e341524c204ef3dd3e7c5f77265a7e05ddd Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 15:51:27 +0000
Subject: [PATCH 0619/1815] igb: change the head and tail offsets into pointers

Since we are writting to the head/tail pointers frequently we might as well
save ourselves some processing time by converting the head and tail offsets
directly to pointers.  This will shave a few cycles off the rx/tx path and
allows us to move one step closer to the rings being a bit more independant of
each other.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb.h      |  4 ++--
 drivers/net/igb/igb_main.c | 32 ++++++++++++++++----------------
 2 files changed, 18 insertions(+), 18 deletions(-)

diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index 303df02a690..e52fee44aea 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -178,8 +178,8 @@ struct igb_ring {
 	unsigned int count;            /* number of desc. in the ring */
 	u16 next_to_use;
 	u16 next_to_clean;
-	u16 head;
-	u16 tail;
+	void __iomem *head;
+	void __iomem *tail;
 	struct igb_buffer *buffer_info; /* array of buffer info structs */
 
 	u8 queue_index;
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index dfca8217c5e..2728f931602 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -2124,10 +2124,10 @@ static void igb_configure_tx_ring(struct igb_adapter *adapter,
 	                tdba & 0x00000000ffffffffULL);
 	wr32(E1000_TDBAH(reg_idx), tdba >> 32);
 
-	ring->head = E1000_TDH(reg_idx);
-	ring->tail = E1000_TDT(reg_idx);
-	writel(0, hw->hw_addr + ring->tail);
-	writel(0, hw->hw_addr + ring->head);
+	ring->head = hw->hw_addr + E1000_TDH(reg_idx);
+	ring->tail = hw->hw_addr + E1000_TDT(reg_idx);
+	writel(0, ring->head);
+	writel(0, ring->tail);
 
 	txdctl |= IGB_TX_PTHRESH;
 	txdctl |= IGB_TX_HTHRESH << 8;
@@ -2354,10 +2354,10 @@ static void igb_configure_rx_ring(struct igb_adapter *adapter,
 	               ring->count * sizeof(union e1000_adv_rx_desc));
 
 	/* initialize head and tail */
-	ring->head = E1000_RDH(reg_idx);
-	ring->tail = E1000_RDT(reg_idx);
-	writel(0, hw->hw_addr + ring->head);
-	writel(0, hw->hw_addr + ring->tail);
+	ring->head = hw->hw_addr + E1000_RDH(reg_idx);
+	ring->tail = hw->hw_addr + E1000_RDT(reg_idx);
+	writel(0, ring->head);
+	writel(0, ring->tail);
 
 	/* set descriptor configuration */
 	if (adapter->rx_buffer_len < IGB_RXBUFFER_1024) {
@@ -2567,8 +2567,8 @@ static void igb_clean_tx_ring(struct igb_ring *tx_ring)
 	tx_ring->next_to_use = 0;
 	tx_ring->next_to_clean = 0;
 
-	writel(0, adapter->hw.hw_addr + tx_ring->head);
-	writel(0, adapter->hw.hw_addr + tx_ring->tail);
+	writel(0, tx_ring->head);
+	writel(0, tx_ring->tail);
 }
 
 /**
@@ -2667,8 +2667,8 @@ static void igb_clean_rx_ring(struct igb_ring *rx_ring)
 	rx_ring->next_to_clean = 0;
 	rx_ring->next_to_use = 0;
 
-	writel(0, adapter->hw.hw_addr + rx_ring->head);
-	writel(0, adapter->hw.hw_addr + rx_ring->tail);
+	writel(0, rx_ring->head);
+	writel(0, rx_ring->tail);
 }
 
 /**
@@ -3556,7 +3556,7 @@ static inline void igb_tx_queue_adv(struct igb_adapter *adapter,
 	wmb();
 
 	tx_ring->next_to_use = i;
-	writel(i, adapter->hw.hw_addr + tx_ring->tail);
+	writel(i, tx_ring->tail);
 	/* we need this if more than one processor can write to our tail
 	 * at a time, it syncronizes IO on IA64/Altix systems */
 	mmiowb();
@@ -4761,8 +4761,8 @@ static bool igb_clean_tx_irq(struct igb_q_vector *q_vector)
 				"  jiffies              <%lx>\n"
 				"  desc.status          <%x>\n",
 				tx_ring->queue_index,
-				readl(adapter->hw.hw_addr + tx_ring->head),
-				readl(adapter->hw.hw_addr + tx_ring->tail),
+				readl(tx_ring->head),
+				readl(tx_ring->tail),
 				tx_ring->next_to_use,
 				tx_ring->next_to_clean,
 				tx_ring->buffer_info[i].time_stamp,
@@ -5103,7 +5103,7 @@ no_buffers:
 		 * applicable for weak-ordered memory model archs,
 		 * such as IA-64). */
 		wmb();
-		writel(i, adapter->hw.hw_addr + rx_ring->tail);
+		writel(i, rx_ring->tail);
 	}
 }
 
-- 
GitLab


From 80785298aa5b6f2005a34afb97457ae7a65af270 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 15:51:47 +0000
Subject: [PATCH 0620/1815] igb: add pci device pointer to ring structure

This patch adds a pci device pointer to the ring structure.  The main use of
this pointer is for memory mapping/unmapping of the rings.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb.h         |  5 ++-
 drivers/net/igb/igb_ethtool.c |  4 +-
 drivers/net/igb/igb_main.c    | 72 +++++++++++++++++------------------
 3 files changed, 40 insertions(+), 41 deletions(-)

diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index e52fee44aea..de268620dd9 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -173,6 +173,7 @@ struct igb_q_vector {
 struct igb_ring {
 	struct igb_q_vector *q_vector; /* backlink to q_vector */
 	void *desc;                    /* descriptor ring memory */
+	struct pci_dev *pdev;          /* pci device for dma mapping */
 	dma_addr_t dma;                /* phys address of the ring */
 	unsigned int size;             /* length of desc. ring in bytes */
 	unsigned int count;            /* number of desc. in the ring */
@@ -325,8 +326,8 @@ extern void igb_down(struct igb_adapter *);
 extern void igb_reinit_locked(struct igb_adapter *);
 extern void igb_reset(struct igb_adapter *);
 extern int igb_set_spd_dplx(struct igb_adapter *, u16);
-extern int igb_setup_tx_resources(struct igb_adapter *, struct igb_ring *);
-extern int igb_setup_rx_resources(struct igb_adapter *, struct igb_ring *);
+extern int igb_setup_tx_resources(struct igb_ring *);
+extern int igb_setup_rx_resources(struct igb_ring *);
 extern void igb_free_tx_resources(struct igb_ring *);
 extern void igb_free_rx_resources(struct igb_ring *);
 extern void igb_update_stats(struct igb_adapter *);
diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
index 2929546115c..c48a555bda2 100644
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -794,7 +794,7 @@ static int igb_set_ringparam(struct net_device *netdev,
 
 		for (i = 0; i < adapter->num_tx_queues; i++) {
 			temp_ring[i].count = new_tx_count;
-			err = igb_setup_tx_resources(adapter, &temp_ring[i]);
+			err = igb_setup_tx_resources(&temp_ring[i]);
 			if (err) {
 				while (i) {
 					i--;
@@ -819,7 +819,7 @@ static int igb_set_ringparam(struct net_device *netdev,
 
 		for (i = 0; i < adapter->num_rx_queues; i++) {
 			temp_ring[i].count = new_rx_count;
-			err = igb_setup_rx_resources(adapter, &temp_ring[i]);
+			err = igb_setup_rx_resources(&temp_ring[i]);
 			if (err) {
 				while (i) {
 					i--;
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 2728f931602..ff16b7ac0d1 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -436,11 +436,13 @@ static int igb_alloc_queues(struct igb_adapter *adapter)
 		struct igb_ring *ring = &(adapter->tx_ring[i]);
 		ring->count = adapter->tx_ring_count;
 		ring->queue_index = i;
+		ring->pdev = adapter->pdev;
 	}
 	for (i = 0; i < adapter->num_rx_queues; i++) {
 		struct igb_ring *ring = &(adapter->rx_ring[i]);
 		ring->count = adapter->rx_ring_count;
 		ring->queue_index = i;
+		ring->pdev = adapter->pdev;
 	}
 
 	igb_cache_ring_register(adapter);
@@ -2002,15 +2004,13 @@ static int igb_close(struct net_device *netdev)
 
 /**
  * igb_setup_tx_resources - allocate Tx resources (Descriptors)
- * @adapter: board private structure
  * @tx_ring: tx descriptor ring (for a specific queue) to setup
  *
  * Return 0 on success, negative on failure
  **/
-int igb_setup_tx_resources(struct igb_adapter *adapter,
-			   struct igb_ring *tx_ring)
+int igb_setup_tx_resources(struct igb_ring *tx_ring)
 {
-	struct pci_dev *pdev = adapter->pdev;
+	struct pci_dev *pdev = tx_ring->pdev;
 	int size;
 
 	size = sizeof(struct igb_buffer) * tx_ring->count;
@@ -2053,7 +2053,7 @@ static int igb_setup_all_tx_resources(struct igb_adapter *adapter)
 	int r_idx;
 
 	for (i = 0; i < adapter->num_tx_queues; i++) {
-		err = igb_setup_tx_resources(adapter, &adapter->tx_ring[i]);
+		err = igb_setup_tx_resources(&adapter->tx_ring[i]);
 		if (err) {
 			dev_err(&adapter->pdev->dev,
 				"Allocation for Tx Queue %u failed\n", i);
@@ -2156,15 +2156,13 @@ static void igb_configure_tx(struct igb_adapter *adapter)
 
 /**
  * igb_setup_rx_resources - allocate Rx resources (Descriptors)
- * @adapter: board private structure
  * @rx_ring:    rx descriptor ring (for a specific queue) to setup
  *
  * Returns 0 on success, negative on failure
  **/
-int igb_setup_rx_resources(struct igb_adapter *adapter,
-			   struct igb_ring *rx_ring)
+int igb_setup_rx_resources(struct igb_ring *rx_ring)
 {
-	struct pci_dev *pdev = adapter->pdev;
+	struct pci_dev *pdev = rx_ring->pdev;
 	int size, desc_len;
 
 	size = sizeof(struct igb_buffer) * rx_ring->count;
@@ -2192,7 +2190,7 @@ int igb_setup_rx_resources(struct igb_adapter *adapter,
 
 err:
 	vfree(rx_ring->buffer_info);
-	dev_err(&adapter->pdev->dev, "Unable to allocate memory for "
+	dev_err(&pdev->dev, "Unable to allocate memory for "
 		"the receive descriptor ring\n");
 	return -ENOMEM;
 }
@@ -2209,7 +2207,7 @@ static int igb_setup_all_rx_resources(struct igb_adapter *adapter)
 	int i, err = 0;
 
 	for (i = 0; i < adapter->num_rx_queues; i++) {
-		err = igb_setup_rx_resources(adapter, &adapter->rx_ring[i]);
+		err = igb_setup_rx_resources(&adapter->rx_ring[i]);
 		if (err) {
 			dev_err(&adapter->pdev->dev,
 				"Allocation for Rx Queue %u failed\n", i);
@@ -2497,14 +2495,13 @@ static void igb_configure_rx(struct igb_adapter *adapter)
  **/
 void igb_free_tx_resources(struct igb_ring *tx_ring)
 {
-	struct pci_dev *pdev = tx_ring->q_vector->adapter->pdev;
-
 	igb_clean_tx_ring(tx_ring);
 
 	vfree(tx_ring->buffer_info);
 	tx_ring->buffer_info = NULL;
 
-	pci_free_consistent(pdev, tx_ring->size, tx_ring->desc, tx_ring->dma);
+	pci_free_consistent(tx_ring->pdev, tx_ring->size,
+	                    tx_ring->desc, tx_ring->dma);
 
 	tx_ring->desc = NULL;
 }
@@ -2523,12 +2520,13 @@ static void igb_free_all_tx_resources(struct igb_adapter *adapter)
 		igb_free_tx_resources(&adapter->tx_ring[i]);
 }
 
-static void igb_unmap_and_free_tx_resource(struct igb_adapter *adapter,
+static void igb_unmap_and_free_tx_resource(struct igb_ring *tx_ring,
 					   struct igb_buffer *buffer_info)
 {
 	buffer_info->dma = 0;
 	if (buffer_info->skb) {
-		skb_dma_unmap(&adapter->pdev->dev, buffer_info->skb,
+		skb_dma_unmap(&tx_ring->pdev->dev,
+		              buffer_info->skb,
 		              DMA_TO_DEVICE);
 		dev_kfree_skb_any(buffer_info->skb);
 		buffer_info->skb = NULL;
@@ -2543,7 +2541,6 @@ static void igb_unmap_and_free_tx_resource(struct igb_adapter *adapter,
  **/
 static void igb_clean_tx_ring(struct igb_ring *tx_ring)
 {
-	struct igb_adapter *adapter = tx_ring->q_vector->adapter;
 	struct igb_buffer *buffer_info;
 	unsigned long size;
 	unsigned int i;
@@ -2554,7 +2551,7 @@ static void igb_clean_tx_ring(struct igb_ring *tx_ring)
 
 	for (i = 0; i < tx_ring->count; i++) {
 		buffer_info = &tx_ring->buffer_info[i];
-		igb_unmap_and_free_tx_resource(adapter, buffer_info);
+		igb_unmap_and_free_tx_resource(tx_ring, buffer_info);
 	}
 
 	size = sizeof(struct igb_buffer) * tx_ring->count;
@@ -2591,14 +2588,13 @@ static void igb_clean_all_tx_rings(struct igb_adapter *adapter)
  **/
 void igb_free_rx_resources(struct igb_ring *rx_ring)
 {
-	struct pci_dev *pdev = rx_ring->q_vector->adapter->pdev;
-
 	igb_clean_rx_ring(rx_ring);
 
 	vfree(rx_ring->buffer_info);
 	rx_ring->buffer_info = NULL;
 
-	pci_free_consistent(pdev, rx_ring->size, rx_ring->desc, rx_ring->dma);
+	pci_free_consistent(rx_ring->pdev, rx_ring->size,
+	                    rx_ring->desc, rx_ring->dma);
 
 	rx_ring->desc = NULL;
 }
@@ -2625,7 +2621,6 @@ static void igb_clean_rx_ring(struct igb_ring *rx_ring)
 {
 	struct igb_adapter *adapter = rx_ring->q_vector->adapter;
 	struct igb_buffer *buffer_info;
-	struct pci_dev *pdev = adapter->pdev;
 	unsigned long size;
 	unsigned int i;
 
@@ -2635,7 +2630,8 @@ static void igb_clean_rx_ring(struct igb_ring *rx_ring)
 	for (i = 0; i < rx_ring->count; i++) {
 		buffer_info = &rx_ring->buffer_info[i];
 		if (buffer_info->dma) {
-			pci_unmap_single(pdev, buffer_info->dma,
+			pci_unmap_single(rx_ring->pdev,
+			                 buffer_info->dma,
 					 adapter->rx_buffer_len,
 					 PCI_DMA_FROMDEVICE);
 			buffer_info->dma = 0;
@@ -2646,7 +2642,8 @@ static void igb_clean_rx_ring(struct igb_ring *rx_ring)
 			buffer_info->skb = NULL;
 		}
 		if (buffer_info->page_dma) {
-			pci_unmap_page(pdev, buffer_info->page_dma,
+			pci_unmap_page(rx_ring->pdev,
+			               buffer_info->page_dma,
 				       PAGE_SIZE / 2,
 				       PCI_DMA_FROMDEVICE);
 			buffer_info->page_dma = 0;
@@ -3362,9 +3359,10 @@ static inline bool igb_tx_csum_adv(struct igb_adapter *adapter,
 					struct sk_buff *skb, u32 tx_flags)
 {
 	struct e1000_adv_tx_context_desc *context_desc;
-	unsigned int i;
+	struct pci_dev *pdev = tx_ring->pdev;
 	struct igb_buffer *buffer_info;
 	u32 info = 0, tu_cmd = 0;
+	unsigned int i;
 
 	if ((skb->ip_summed == CHECKSUM_PARTIAL) ||
 	    (tx_flags & IGB_TX_FLAGS_VLAN)) {
@@ -3411,7 +3409,7 @@ static inline bool igb_tx_csum_adv(struct igb_adapter *adapter,
 				break;
 			default:
 				if (unlikely(net_ratelimit()))
-					dev_warn(&adapter->pdev->dev,
+					dev_warn(&pdev->dev,
 					    "partial checksum but proto=%x!\n",
 					    skb->protocol);
 				break;
@@ -3443,11 +3441,11 @@ static inline bool igb_tx_csum_adv(struct igb_adapter *adapter,
 #define IGB_MAX_TXD_PWR	16
 #define IGB_MAX_DATA_PER_TXD	(1<<IGB_MAX_TXD_PWR)
 
-static inline int igb_tx_map_adv(struct igb_adapter *adapter,
-				 struct igb_ring *tx_ring, struct sk_buff *skb,
+static inline int igb_tx_map_adv(struct igb_ring *tx_ring, struct sk_buff *skb,
 				 unsigned int first)
 {
 	struct igb_buffer *buffer_info;
+	struct pci_dev *pdev = tx_ring->pdev;
 	unsigned int len = skb_headlen(skb);
 	unsigned int count = 0, i;
 	unsigned int f;
@@ -3455,8 +3453,8 @@ static inline int igb_tx_map_adv(struct igb_adapter *adapter,
 
 	i = tx_ring->next_to_use;
 
-	if (skb_dma_map(&adapter->pdev->dev, skb, DMA_TO_DEVICE)) {
-		dev_err(&adapter->pdev->dev, "TX DMA map failed\n");
+	if (skb_dma_map(&pdev->dev, skb, DMA_TO_DEVICE)) {
+		dev_err(&pdev->dev, "TX DMA map failed\n");
 		return 0;
 	}
 
@@ -3667,7 +3665,7 @@ static netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *skb,
 	 * count reflects descriptors mapped, if 0 then mapping error
 	 * has occured and we need to rewind the descriptor queue
 	 */
-	count = igb_tx_map_adv(adapter, tx_ring, skb, first);
+	count = igb_tx_map_adv(tx_ring, skb, first);
 
 	if (count) {
 		igb_tx_queue_adv(adapter, tx_ring, tx_flags, count,
@@ -4710,7 +4708,7 @@ static bool igb_clean_tx_irq(struct igb_q_vector *q_vector)
 				igb_tx_hwtstamp(adapter, skb);
 			}
 
-			igb_unmap_and_free_tx_resource(adapter, buffer_info);
+			igb_unmap_and_free_tx_resource(tx_ring, buffer_info);
 			tx_desc->wb.status = 0;
 
 			i++;
@@ -4748,7 +4746,7 @@ static bool igb_clean_tx_irq(struct igb_q_vector *q_vector)
 			 E1000_STATUS_TXOFF)) {
 
 			/* detected Tx unit hang */
-			dev_err(&adapter->pdev->dev,
+			dev_err(&tx_ring->pdev->dev,
 				"Detected Tx Unit Hang\n"
 				"  Tx Queue             <%d>\n"
 				"  TDH                  <%x>\n"
@@ -4851,7 +4849,7 @@ static bool igb_clean_rx_irq_adv(struct igb_q_vector *q_vector,
 	struct net_device *netdev = adapter->netdev;
 	struct igb_ring *rx_ring = q_vector->rx_ring;
 	struct e1000_hw *hw = &adapter->hw;
-	struct pci_dev *pdev = adapter->pdev;
+	struct pci_dev *pdev = rx_ring->pdev;
 	union e1000_adv_rx_desc *rx_desc , *next_rxd;
 	struct igb_buffer *buffer_info , *next_buffer;
 	struct sk_buff *skb;
@@ -5027,7 +5025,6 @@ static void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring,
 {
 	struct igb_adapter *adapter = rx_ring->q_vector->adapter;
 	struct net_device *netdev = adapter->netdev;
-	struct pci_dev *pdev = adapter->pdev;
 	union e1000_adv_rx_desc *rx_desc;
 	struct igb_buffer *buffer_info;
 	struct sk_buff *skb;
@@ -5054,7 +5051,7 @@ static void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring,
 				buffer_info->page_offset ^= PAGE_SIZE / 2;
 			}
 			buffer_info->page_dma =
-				pci_map_page(pdev, buffer_info->page,
+				pci_map_page(rx_ring->pdev, buffer_info->page,
 					     buffer_info->page_offset,
 					     PAGE_SIZE / 2,
 					     PCI_DMA_FROMDEVICE);
@@ -5068,7 +5065,8 @@ static void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring,
 			}
 
 			buffer_info->skb = skb;
-			buffer_info->dma = pci_map_single(pdev, skb->data,
+			buffer_info->dma = pci_map_single(rx_ring->pdev,
+			                                  skb->data,
 							  bufsz,
 							  PCI_DMA_FROMDEVICE);
 		}
-- 
GitLab


From 4c844851d15cc08d995179ab5118172711be6eb0 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 15:52:07 +0000
Subject: [PATCH 0621/1815] igb: move rx_buffer_len into the ring structure

This patch moves the rx_buffer_len value into the ring structure.  This allows
greater flexibility and the option of doing things such as supporting packet
split only on some queues, or enabling virtualization.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb.h      |  3 +--
 drivers/net/igb/igb_main.c | 41 ++++++++++++++++++++------------------
 2 files changed, 23 insertions(+), 21 deletions(-)

diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index de268620dd9..00ff274b16d 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -198,7 +198,7 @@ struct igb_ring {
 		/* RX */
 		struct {
 			struct igb_rx_queue_stats rx_stats;
-			u64 rx_queue_drops;
+			u32 rx_buffer_len;
 		};
 	};
 };
@@ -218,7 +218,6 @@ struct igb_adapter {
 	struct vlan_group *vlgrp;
 	u16 mng_vlan_id;
 	u32 bd_number;
-	u32 rx_buffer_len;
 	u32 wol;
 	u32 en_mng_pt;
 	u16 link_speed;
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index ff16b7ac0d1..04e860d4e08 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -443,6 +443,7 @@ static int igb_alloc_queues(struct igb_adapter *adapter)
 		ring->count = adapter->rx_ring_count;
 		ring->queue_index = i;
 		ring->pdev = adapter->pdev;
+		ring->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
 	}
 
 	igb_cache_ring_register(adapter);
@@ -1863,7 +1864,6 @@ static int __devinit igb_sw_init(struct igb_adapter *adapter)
 
 	adapter->tx_ring_count = IGB_DEFAULT_TXD;
 	adapter->rx_ring_count = IGB_DEFAULT_RXD;
-	adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
 	adapter->max_frame_size = netdev->mtu + ETH_HLEN + ETH_FCS_LEN;
 	adapter->min_frame_size = ETH_ZLEN + ETH_FCS_LEN;
 
@@ -2358,8 +2358,8 @@ static void igb_configure_rx_ring(struct igb_adapter *adapter,
 	writel(0, ring->tail);
 
 	/* set descriptor configuration */
-	if (adapter->rx_buffer_len < IGB_RXBUFFER_1024) {
-		srrctl = ALIGN(adapter->rx_buffer_len, 64) <<
+	if (ring->rx_buffer_len < IGB_RXBUFFER_1024) {
+		srrctl = ALIGN(ring->rx_buffer_len, 64) <<
 		         E1000_SRRCTL_BSIZEHDRSIZE_SHIFT;
 #if (PAGE_SIZE / 2) > IGB_RXBUFFER_16384
 		srrctl |= IGB_RXBUFFER_16384 >>
@@ -2370,7 +2370,7 @@ static void igb_configure_rx_ring(struct igb_adapter *adapter,
 #endif
 		srrctl |= E1000_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS;
 	} else {
-		srrctl = ALIGN(adapter->rx_buffer_len, 1024) >>
+		srrctl = ALIGN(ring->rx_buffer_len, 1024) >>
 		         E1000_SRRCTL_BSIZEPKT_SHIFT;
 		srrctl |= E1000_SRRCTL_DESCTYPE_ADV_ONEBUF;
 	}
@@ -2619,7 +2619,6 @@ static void igb_free_all_rx_resources(struct igb_adapter *adapter)
  **/
 static void igb_clean_rx_ring(struct igb_ring *rx_ring)
 {
-	struct igb_adapter *adapter = rx_ring->q_vector->adapter;
 	struct igb_buffer *buffer_info;
 	unsigned long size;
 	unsigned int i;
@@ -2632,7 +2631,7 @@ static void igb_clean_rx_ring(struct igb_ring *rx_ring)
 		if (buffer_info->dma) {
 			pci_unmap_single(rx_ring->pdev,
 			                 buffer_info->dma,
-					 adapter->rx_buffer_len,
+					 rx_ring->rx_buffer_len,
 					 PCI_DMA_FROMDEVICE);
 			buffer_info->dma = 0;
 		}
@@ -3746,6 +3745,7 @@ static int igb_change_mtu(struct net_device *netdev, int new_mtu)
 {
 	struct igb_adapter *adapter = netdev_priv(netdev);
 	int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN;
+	u32 rx_buffer_len, i;
 
 	if ((max_frame < ETH_ZLEN + ETH_FCS_LEN) ||
 	    (max_frame > MAX_JUMBO_FRAME_SIZE)) {
@@ -3763,9 +3763,6 @@ static int igb_change_mtu(struct net_device *netdev, int new_mtu)
 
 	/* igb_down has a dependency on max_frame_size */
 	adapter->max_frame_size = max_frame;
-	if (netif_running(netdev))
-		igb_down(adapter);
-
 	/* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
 	 * means we reserve 2 more, this pushes us to allocate from the next
 	 * larger slab size.
@@ -3773,16 +3770,22 @@ static int igb_change_mtu(struct net_device *netdev, int new_mtu)
 	 */
 
 	if (max_frame <= IGB_RXBUFFER_1024)
-		adapter->rx_buffer_len = IGB_RXBUFFER_1024;
+		rx_buffer_len = IGB_RXBUFFER_1024;
 	else if (max_frame <= MAXIMUM_ETHERNET_VLAN_SIZE)
-		adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
+		rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
 	else
-		adapter->rx_buffer_len = IGB_RXBUFFER_128;
+		rx_buffer_len = IGB_RXBUFFER_128;
+
+	if (netif_running(netdev))
+		igb_down(adapter);
 
 	dev_info(&adapter->pdev->dev, "changing MTU from %d to %d\n",
 		 netdev->mtu, new_mtu);
 	netdev->mtu = new_mtu;
 
+	for (i = 0; i < adapter->num_rx_queues; i++)
+		adapter->rx_ring[i].rx_buffer_len = rx_buffer_len;
+
 	if (netif_running(netdev))
 		igb_up(adapter);
 	else
@@ -4828,7 +4831,7 @@ static inline void igb_rx_checksum_adv(struct igb_adapter *adapter,
 	dev_dbg(&adapter->pdev->dev, "cksum success: bits %08X\n", status_err);
 }
 
-static inline u16 igb_get_hlen(struct igb_adapter *adapter,
+static inline u16 igb_get_hlen(struct igb_ring *rx_ring,
                                union e1000_adv_rx_desc *rx_desc)
 {
 	/* HW will not DMA in data larger than the given buffer, even if it
@@ -4837,8 +4840,8 @@ static inline u16 igb_get_hlen(struct igb_adapter *adapter,
 	 */
 	u16 hlen = (le16_to_cpu(rx_desc->wb.lower.lo_dword.hdr_info) &
 	           E1000_RXDADV_HDRBUFLEN_MASK) >> E1000_RXDADV_HDRBUFLEN_SHIFT;
-	if (hlen > adapter->rx_buffer_len)
-		hlen = adapter->rx_buffer_len;
+	if (hlen > rx_ring->rx_buffer_len)
+		hlen = rx_ring->rx_buffer_len;
 	return hlen;
 }
 
@@ -4888,14 +4891,14 @@ static bool igb_clean_rx_irq_adv(struct igb_q_vector *q_vector,
 
 		if (buffer_info->dma) {
 			pci_unmap_single(pdev, buffer_info->dma,
-					 adapter->rx_buffer_len,
+					 rx_ring->rx_buffer_len,
 					 PCI_DMA_FROMDEVICE);
 			buffer_info->dma = 0;
-			if (adapter->rx_buffer_len >= IGB_RXBUFFER_1024) {
+			if (rx_ring->rx_buffer_len >= IGB_RXBUFFER_1024) {
 				skb_put(skb, length);
 				goto send_up;
 			}
-			skb_put(skb, igb_get_hlen(adapter, rx_desc));
+			skb_put(skb, igb_get_hlen(rx_ring, rx_desc));
 		}
 
 		if (length) {
@@ -5034,7 +5037,7 @@ static void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring,
 	i = rx_ring->next_to_use;
 	buffer_info = &rx_ring->buffer_info[i];
 
-	bufsz = adapter->rx_buffer_len;
+	bufsz = rx_ring->rx_buffer_len;
 
 	while (cleaned_count--) {
 		rx_desc = E1000_RX_DESC_ADV(*rx_ring, i);
-- 
GitLab


From 04a5fcaaf0e12d066411aa54e42591952aa18da7 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 15:52:27 +0000
Subject: [PATCH 0622/1815] igb: move alloc_failed and csum_err stats into per
 rx-ring stat

The allocation failed and checksum error stats are currently kept as a
global stat.  If we end up allocating the queues to multiple netdevs then
the global counter doesn't make much sense.  For this reason I felt it
necessary to move the alloc_rx_buff_failed stat into the rx_stats
portion of the rx_ring.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb.h         |  6 +++---
 drivers/net/igb/igb_ethtool.c |  9 ++++++---
 drivers/net/igb/igb_main.c    | 17 ++++++++---------
 3 files changed, 17 insertions(+), 15 deletions(-)

diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index 00ff274b16d..6a67fa2e600 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -145,12 +145,15 @@ struct igb_buffer {
 struct igb_tx_queue_stats {
 	u64 packets;
 	u64 bytes;
+	u64 restart_queue;
 };
 
 struct igb_rx_queue_stats {
 	u64 packets;
 	u64 bytes;
 	u64 drops;
+	u64 csum_err;
+	u64 alloc_failed;
 };
 
 struct igb_q_vector {
@@ -241,7 +244,6 @@ struct igb_adapter {
 
 	/* TX */
 	struct igb_ring *tx_ring;      /* One per active queue */
-	unsigned int restart_queue;
 	unsigned long tx_queue_len;
 	u32 txd_cmd;
 	u32 gotc;
@@ -255,8 +257,6 @@ struct igb_adapter {
 	int num_tx_queues;
 	int num_rx_queues;
 
-	u64 hw_csum_err;
-	u32 alloc_rx_buff_failed;
 	u32 gorc;
 	u64 gorc_old;
 	u32 max_frame_size;
diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
index c48a555bda2..f62430b1f75 100644
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -84,7 +84,6 @@ static const struct igb_stats igb_gstrings_stats[] = {
 	{ "tx_single_coll_ok", IGB_STAT(stats.scc) },
 	{ "tx_multi_coll_ok", IGB_STAT(stats.mcc) },
 	{ "tx_timeout_count", IGB_STAT(tx_timeout_count) },
-	{ "tx_restart_queue", IGB_STAT(restart_queue) },
 	{ "rx_long_length_errors", IGB_STAT(stats.roc) },
 	{ "rx_short_length_errors", IGB_STAT(stats.ruc) },
 	{ "rx_align_errors", IGB_STAT(stats.algnerrc) },
@@ -95,9 +94,7 @@ static const struct igb_stats igb_gstrings_stats[] = {
 	{ "tx_flow_control_xon", IGB_STAT(stats.xontxc) },
 	{ "tx_flow_control_xoff", IGB_STAT(stats.xofftxc) },
 	{ "rx_long_byte_count", IGB_STAT(stats.gorc) },
-	{ "rx_csum_offload_errors", IGB_STAT(hw_csum_err) },
 	{ "tx_dma_out_of_sync", IGB_STAT(stats.doosync) },
-	{ "alloc_rx_buff_failed", IGB_STAT(alloc_rx_buff_failed) },
 	{ "tx_smbus", IGB_STAT(stats.mgptc) },
 	{ "rx_smbus", IGB_STAT(stats.mgprc) },
 	{ "dropped_smbus", IGB_STAT(stats.mgpdc) },
@@ -2031,6 +2028,8 @@ static void igb_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
 			p += ETH_GSTRING_LEN;
 			sprintf(p, "tx_queue_%u_bytes", i);
 			p += ETH_GSTRING_LEN;
+			sprintf(p, "tx_queue_%u_restart", i);
+			p += ETH_GSTRING_LEN;
 		}
 		for (i = 0; i < adapter->num_rx_queues; i++) {
 			sprintf(p, "rx_queue_%u_packets", i);
@@ -2039,6 +2038,10 @@ static void igb_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
 			p += ETH_GSTRING_LEN;
 			sprintf(p, "rx_queue_%u_drops", i);
 			p += ETH_GSTRING_LEN;
+			sprintf(p, "rx_queue_%u_csum_err", i);
+			p += ETH_GSTRING_LEN;
+			sprintf(p, "rx_queue_%u_alloc_failed", i);
+			p += ETH_GSTRING_LEN;
 		}
 /*		BUG_ON(p - data != IGB_STATS_LEN * ETH_GSTRING_LEN); */
 		break;
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 04e860d4e08..bdd7bf09936 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -3562,8 +3562,6 @@ static inline void igb_tx_queue_adv(struct igb_adapter *adapter,
 static int __igb_maybe_stop_tx(struct net_device *netdev,
 			       struct igb_ring *tx_ring, int size)
 {
-	struct igb_adapter *adapter = netdev_priv(netdev);
-
 	netif_stop_subqueue(netdev, tx_ring->queue_index);
 
 	/* Herbert's original patch had:
@@ -3578,7 +3576,7 @@ static int __igb_maybe_stop_tx(struct net_device *netdev,
 
 	/* A reprieve! */
 	netif_wake_subqueue(netdev, tx_ring->queue_index);
-	++adapter->restart_queue;
+	tx_ring->tx_stats.restart_queue++;
 	return 0;
 }
 
@@ -4734,7 +4732,7 @@ static bool igb_clean_tx_irq(struct igb_q_vector *q_vector)
 		if (__netif_subqueue_stopped(netdev, tx_ring->queue_index) &&
 		    !(test_bit(__IGB_DOWN, &adapter->state))) {
 			netif_wake_subqueue(netdev, tx_ring->queue_index);
-			++adapter->restart_queue;
+			tx_ring->tx_stats.restart_queue++;
 		}
 	}
 
@@ -4801,7 +4799,8 @@ static void igb_receive_skb(struct igb_q_vector *q_vector,
 		napi_gro_receive(&q_vector->napi, skb);
 }
 
-static inline void igb_rx_checksum_adv(struct igb_adapter *adapter,
+static inline void igb_rx_checksum_adv(struct igb_ring *ring,
+                                       struct igb_adapter *adapter,
 				       u32 status_err, struct sk_buff *skb)
 {
 	skb->ip_summed = CHECKSUM_NONE;
@@ -4820,7 +4819,7 @@ static inline void igb_rx_checksum_adv(struct igb_adapter *adapter,
 		 */
 		if (!((adapter->hw.mac.type == e1000_82576) &&
 		      (skb->len == 60)))
-			adapter->hw_csum_err++;
+			ring->rx_stats.csum_err++;
 		/* let the stack verify checksum errors */
 		return;
 	}
@@ -4979,7 +4978,7 @@ send_up:
 		total_bytes += skb->len;
 		total_packets++;
 
-		igb_rx_checksum_adv(adapter, staterr, skb);
+		igb_rx_checksum_adv(rx_ring, adapter, staterr, skb);
 
 		skb->protocol = eth_type_trans(skb, netdev);
 		skb_record_rx_queue(skb, rx_ring->queue_index);
@@ -5046,7 +5045,7 @@ static void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring,
 			if (!buffer_info->page) {
 				buffer_info->page = alloc_page(GFP_ATOMIC);
 				if (!buffer_info->page) {
-					adapter->alloc_rx_buff_failed++;
+					rx_ring->rx_stats.alloc_failed++;
 					goto no_buffers;
 				}
 				buffer_info->page_offset = 0;
@@ -5063,7 +5062,7 @@ static void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring,
 		if (!buffer_info->skb) {
 			skb = netdev_alloc_skb_ip_align(netdev, bufsz);
 			if (!skb) {
-				adapter->alloc_rx_buff_failed++;
+				rx_ring->rx_stats.alloc_failed++;
 				goto no_buffers;
 			}
 
-- 
GitLab


From 85ad76b2f9c4956ec90c86298b22bb35c326e772 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 15:52:46 +0000
Subject: [PATCH 0623/1815] igb: add a flags value to the ring

This patch adds a flags value to the ring that cleans up some of the last
remaining items from the ring in order to help seperate it from the adapter
struct.  By implementing these flags it becomes possible for different rings
to support different functions such as rx checksumming.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb.h         | 12 +++--
 drivers/net/igb/igb_ethtool.c | 13 +++--
 drivers/net/igb/igb_main.c    | 93 ++++++++++++++++-------------------
 3 files changed, 60 insertions(+), 58 deletions(-)

diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index 6a67fa2e600..0c30c5e375c 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -192,6 +192,8 @@ struct igb_ring {
 	unsigned int total_bytes;
 	unsigned int total_packets;
 
+	u32 flags;
+
 	union {
 		/* TX */
 		struct {
@@ -206,6 +208,13 @@ struct igb_ring {
 	};
 };
 
+#define IGB_RING_FLAG_RX_CSUM        0x00000001 /* RX CSUM enabled */
+#define IGB_RING_FLAG_RX_SCTP_CSUM   0x00000002 /* SCTP CSUM offload enabled */
+
+#define IGB_RING_FLAG_TX_CTX_IDX     0x00000001 /* HW requires context index */
+
+#define IGB_ADVTXD_DCMD (E1000_TXD_CMD_EOP | E1000_TXD_CMD_RS)
+
 #define E1000_RX_DESC_ADV(R, i)	    \
 	(&(((union e1000_adv_rx_desc *)((R).desc))[i]))
 #define E1000_TX_DESC_ADV(R, i)	    \
@@ -245,7 +254,6 @@ struct igb_adapter {
 	/* TX */
 	struct igb_ring *tx_ring;      /* One per active queue */
 	unsigned long tx_queue_len;
-	u32 txd_cmd;
 	u32 gotc;
 	u64 gotc_old;
 	u64 tpt_old;
@@ -303,8 +311,6 @@ struct igb_adapter {
 #define IGB_FLAG_HAS_MSI           (1 << 0)
 #define IGB_FLAG_DCA_ENABLED       (1 << 1)
 #define IGB_FLAG_QUAD_PORT_A       (1 << 2)
-#define IGB_FLAG_NEED_CTX_IDX      (1 << 3)
-#define IGB_FLAG_RX_CSUM_DISABLED  (1 << 4)
 
 enum e1000_state_t {
 	__IGB_TESTING,
diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
index f62430b1f75..c44dedec126 100644
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -279,17 +279,20 @@ static int igb_set_pauseparam(struct net_device *netdev,
 static u32 igb_get_rx_csum(struct net_device *netdev)
 {
 	struct igb_adapter *adapter = netdev_priv(netdev);
-	return !(adapter->flags & IGB_FLAG_RX_CSUM_DISABLED);
+	return !!(adapter->rx_ring[0].flags & IGB_RING_FLAG_RX_CSUM);
 }
 
 static int igb_set_rx_csum(struct net_device *netdev, u32 data)
 {
 	struct igb_adapter *adapter = netdev_priv(netdev);
+	int i;
 
-	if (data)
-		adapter->flags &= ~IGB_FLAG_RX_CSUM_DISABLED;
-	else
-		adapter->flags |= IGB_FLAG_RX_CSUM_DISABLED;
+	for (i = 0; i < adapter->num_rx_queues; i++) {
+		if (data)
+			adapter->rx_ring[i].flags |= IGB_RING_FLAG_RX_CSUM;
+		else
+			adapter->rx_ring[i].flags &= ~IGB_RING_FLAG_RX_CSUM;
+	}
 
 	return 0;
 }
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index bdd7bf09936..00f3f2db294 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -437,13 +437,21 @@ static int igb_alloc_queues(struct igb_adapter *adapter)
 		ring->count = adapter->tx_ring_count;
 		ring->queue_index = i;
 		ring->pdev = adapter->pdev;
+		/* For 82575, context index must be unique per ring. */
+		if (adapter->hw.mac.type == e1000_82575)
+			ring->flags = IGB_RING_FLAG_TX_CTX_IDX;
 	}
+
 	for (i = 0; i < adapter->num_rx_queues; i++) {
 		struct igb_ring *ring = &(adapter->rx_ring[i]);
 		ring->count = adapter->rx_ring_count;
 		ring->queue_index = i;
 		ring->pdev = adapter->pdev;
 		ring->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
+		ring->flags = IGB_RING_FLAG_RX_CSUM; /* enable rx checksum */
+		/* set flag indicating ring supports SCTP checksum offload */
+		if (adapter->hw.mac.type >= e1000_82576)
+			ring->flags |= IGB_RING_FLAG_RX_SCTP_CSUM;
 	}
 
 	igb_cache_ring_register(adapter);
@@ -1517,16 +1525,6 @@ static int __devinit igb_probe(struct pci_dev *pdev,
 
 	igb_get_bus_info_pcie(hw);
 
-	/* set flags */
-	switch (hw->mac.type) {
-	case e1000_82575:
-		adapter->flags |= IGB_FLAG_NEED_CTX_IDX;
-		break;
-	case e1000_82576:
-	default:
-		break;
-	}
-
 	hw->phy.autoneg_wait_to_complete = false;
 	hw->mac.adaptive_ifs = true;
 
@@ -2149,9 +2147,6 @@ static void igb_configure_tx(struct igb_adapter *adapter)
 
 	for (i = 0; i < adapter->num_tx_queues; i++)
 		igb_configure_tx_ring(adapter, &adapter->tx_ring[i]);
-
-	/* Setup Transmit Descriptor Settings for eop descriptor */
-	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_RS;
 }
 
 /**
@@ -3272,8 +3267,7 @@ set_itr_now:
 #define IGB_TX_FLAGS_VLAN_MASK	0xffff0000
 #define IGB_TX_FLAGS_VLAN_SHIFT	16
 
-static inline int igb_tso_adv(struct igb_adapter *adapter,
-			      struct igb_ring *tx_ring,
+static inline int igb_tso_adv(struct igb_ring *tx_ring,
 			      struct sk_buff *skb, u32 tx_flags, u8 *hdr_len)
 {
 	struct e1000_adv_tx_context_desc *context_desc;
@@ -3335,8 +3329,8 @@ static inline int igb_tso_adv(struct igb_adapter *adapter,
 	mss_l4len_idx |= (l4len << E1000_ADVTXD_L4LEN_SHIFT);
 
 	/* For 82575, context index must be unique per ring. */
-	if (adapter->flags & IGB_FLAG_NEED_CTX_IDX)
-		mss_l4len_idx |= tx_ring->queue_index << 4;
+	if (tx_ring->flags & IGB_RING_FLAG_TX_CTX_IDX)
+		mss_l4len_idx |= tx_ring->reg_idx << 4;
 
 	context_desc->mss_l4len_idx = cpu_to_le32(mss_l4len_idx);
 	context_desc->seqnum_seed = 0;
@@ -3353,9 +3347,8 @@ static inline int igb_tso_adv(struct igb_adapter *adapter,
 	return true;
 }
 
-static inline bool igb_tx_csum_adv(struct igb_adapter *adapter,
-					struct igb_ring *tx_ring,
-					struct sk_buff *skb, u32 tx_flags)
+static inline bool igb_tx_csum_adv(struct igb_ring *tx_ring,
+				   struct sk_buff *skb, u32 tx_flags)
 {
 	struct e1000_adv_tx_context_desc *context_desc;
 	struct pci_dev *pdev = tx_ring->pdev;
@@ -3417,11 +3410,9 @@ static inline bool igb_tx_csum_adv(struct igb_adapter *adapter,
 
 		context_desc->type_tucmd_mlhl = cpu_to_le32(tu_cmd);
 		context_desc->seqnum_seed = 0;
-		if (adapter->flags & IGB_FLAG_NEED_CTX_IDX)
+		if (tx_ring->flags & IGB_RING_FLAG_TX_CTX_IDX)
 			context_desc->mss_l4len_idx =
-				cpu_to_le32(tx_ring->queue_index << 4);
-		else
-			context_desc->mss_l4len_idx = 0;
+				cpu_to_le32(tx_ring->reg_idx << 4);
 
 		buffer_info->time_stamp = jiffies;
 		buffer_info->next_to_watch = i;
@@ -3492,8 +3483,7 @@ static inline int igb_tx_map_adv(struct igb_ring *tx_ring, struct sk_buff *skb,
 	return count + 1;
 }
 
-static inline void igb_tx_queue_adv(struct igb_adapter *adapter,
-				    struct igb_ring *tx_ring,
+static inline void igb_tx_queue_adv(struct igb_ring *tx_ring,
 				    int tx_flags, int count, u32 paylen,
 				    u8 hdr_len)
 {
@@ -3525,10 +3515,11 @@ static inline void igb_tx_queue_adv(struct igb_adapter *adapter,
 		olinfo_status |= E1000_TXD_POPTS_TXSM << 8;
 	}
 
-	if ((adapter->flags & IGB_FLAG_NEED_CTX_IDX) &&
-	    (tx_flags & (IGB_TX_FLAGS_CSUM | IGB_TX_FLAGS_TSO |
+	if ((tx_ring->flags & IGB_RING_FLAG_TX_CTX_IDX) &&
+	    (tx_flags & (IGB_TX_FLAGS_CSUM |
+	                 IGB_TX_FLAGS_TSO |
 			 IGB_TX_FLAGS_VLAN)))
-		olinfo_status |= tx_ring->queue_index << 4;
+		olinfo_status |= tx_ring->reg_idx << 4;
 
 	olinfo_status |= ((paylen - hdr_len) << E1000_ADVTXD_PAYLEN_SHIFT);
 
@@ -3545,7 +3536,7 @@ static inline void igb_tx_queue_adv(struct igb_adapter *adapter,
 			i = 0;
 	}
 
-	tx_desc->read.cmd_type_len |= cpu_to_le32(adapter->txd_cmd);
+	tx_desc->read.cmd_type_len |= cpu_to_le32(IGB_ADVTXD_DCMD);
 	/* Force memory writes to complete before letting h/w
 	 * know there are new descriptors to fetch.  (Only
 	 * applicable for weak-ordered memory model archs,
@@ -3644,17 +3635,17 @@ static netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *skb,
 		tx_flags |= IGB_TX_FLAGS_IPV4;
 
 	first = tx_ring->next_to_use;
-	tso = skb_is_gso(skb) ? igb_tso_adv(adapter, tx_ring, skb, tx_flags,
-					      &hdr_len) : 0;
-
-	if (tso < 0) {
-		dev_kfree_skb_any(skb);
-		return NETDEV_TX_OK;
+	if (skb_is_gso(skb)) {
+		tso = igb_tso_adv(tx_ring, skb, tx_flags, &hdr_len);
+		if (tso < 0) {
+			dev_kfree_skb_any(skb);
+			return NETDEV_TX_OK;
+		}
 	}
 
 	if (tso)
 		tx_flags |= IGB_TX_FLAGS_TSO;
-	else if (igb_tx_csum_adv(adapter, tx_ring, skb, tx_flags) &&
+	else if (igb_tx_csum_adv(tx_ring, skb, tx_flags) &&
 	         (skb->ip_summed == CHECKSUM_PARTIAL))
 		tx_flags |= IGB_TX_FLAGS_CSUM;
 
@@ -3664,17 +3655,18 @@ static netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *skb,
 	 */
 	count = igb_tx_map_adv(tx_ring, skb, first);
 
-	if (count) {
-		igb_tx_queue_adv(adapter, tx_ring, tx_flags, count,
-			         skb->len, hdr_len);
-		/* Make sure there is space in the ring for the next send. */
-		igb_maybe_stop_tx(netdev, tx_ring, MAX_SKB_FRAGS + 4);
-	} else {
+	if (!count) {
 		dev_kfree_skb_any(skb);
 		tx_ring->buffer_info[first].time_stamp = 0;
 		tx_ring->next_to_use = first;
+		return NETDEV_TX_OK;
 	}
 
+	igb_tx_queue_adv(tx_ring, tx_flags, count, skb->len, hdr_len);
+
+	/* Make sure there is space in the ring for the next send. */
+	igb_maybe_stop_tx(netdev, tx_ring, MAX_SKB_FRAGS + 4);
+
 	return NETDEV_TX_OK;
 }
 
@@ -4800,15 +4792,15 @@ static void igb_receive_skb(struct igb_q_vector *q_vector,
 }
 
 static inline void igb_rx_checksum_adv(struct igb_ring *ring,
-                                       struct igb_adapter *adapter,
 				       u32 status_err, struct sk_buff *skb)
 {
 	skb->ip_summed = CHECKSUM_NONE;
 
 	/* Ignore Checksum bit is set or checksum is disabled through ethtool */
-	if ((status_err & E1000_RXD_STAT_IXSM) ||
-	    (adapter->flags & IGB_FLAG_RX_CSUM_DISABLED))
+	if (!(ring->flags & IGB_RING_FLAG_RX_CSUM) ||
+	     (status_err & E1000_RXD_STAT_IXSM))
 		return;
+
 	/* TCP/UDP checksum error bit is set */
 	if (status_err &
 	    (E1000_RXDEXT_STATERR_TCPE | E1000_RXDEXT_STATERR_IPE)) {
@@ -4817,9 +4809,10 @@ static inline void igb_rx_checksum_adv(struct igb_ring *ring,
 		 * L4E bit is set incorrectly on 64 byte (60 byte w/o crc)
 		 * packets, (aka let the stack check the crc32c)
 		 */
-		if (!((adapter->hw.mac.type == e1000_82576) &&
-		      (skb->len == 60)))
+		if ((skb->len == 60) &&
+		    (ring->flags & IGB_RING_FLAG_RX_SCTP_CSUM))
 			ring->rx_stats.csum_err++;
+
 		/* let the stack verify checksum errors */
 		return;
 	}
@@ -4827,7 +4820,7 @@ static inline void igb_rx_checksum_adv(struct igb_ring *ring,
 	if (status_err & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS))
 		skb->ip_summed = CHECKSUM_UNNECESSARY;
 
-	dev_dbg(&adapter->pdev->dev, "cksum success: bits %08X\n", status_err);
+	dev_dbg(&ring->pdev->dev, "cksum success: bits %08X\n", status_err);
 }
 
 static inline u16 igb_get_hlen(struct igb_ring *rx_ring,
@@ -4978,7 +4971,7 @@ send_up:
 		total_bytes += skb->len;
 		total_packets++;
 
-		igb_rx_checksum_adv(rx_ring, adapter, staterr, skb);
+		igb_rx_checksum_adv(rx_ring, staterr, skb);
 
 		skb->protocol = eth_type_trans(skb, netdev);
 		skb_record_rx_queue(skb, rx_ring->queue_index);
-- 
GitLab


From e694e964fc1241b4981873bdccce70438d5f0394 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 15:53:06 +0000
Subject: [PATCH 0624/1815] igb: place a pointer to the netdev struct in the
 ring itself

This change adds a pointer to the netdev to the ring itself.  The idea being
at some point in the future it will be possible to support multiple netdevs
from a single adapter struct.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb.h      |  3 ++-
 drivers/net/igb/igb_main.c | 29 ++++++++++++++---------------
 2 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index 0c30c5e375c..2416c12af3f 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -175,9 +175,10 @@ struct igb_q_vector {
 
 struct igb_ring {
 	struct igb_q_vector *q_vector; /* backlink to q_vector */
-	void *desc;                    /* descriptor ring memory */
+	struct net_device *netdev;     /* back pointer to net_device */
 	struct pci_dev *pdev;          /* pci device for dma mapping */
 	dma_addr_t dma;                /* phys address of the ring */
+	void *desc;                    /* descriptor ring memory */
 	unsigned int size;             /* length of desc. ring in bytes */
 	unsigned int count;            /* number of desc. in the ring */
 	u16 next_to_use;
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 00f3f2db294..3dc8e88c518 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -101,7 +101,6 @@ static void igb_update_phy_info(unsigned long);
 static void igb_watchdog(unsigned long);
 static void igb_watchdog_task(struct work_struct *);
 static netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *,
-					   struct net_device *,
 					   struct igb_ring *);
 static netdev_tx_t igb_xmit_frame_adv(struct sk_buff *skb,
 				      struct net_device *);
@@ -437,6 +436,7 @@ static int igb_alloc_queues(struct igb_adapter *adapter)
 		ring->count = adapter->tx_ring_count;
 		ring->queue_index = i;
 		ring->pdev = adapter->pdev;
+		ring->netdev = adapter->netdev;
 		/* For 82575, context index must be unique per ring. */
 		if (adapter->hw.mac.type == e1000_82575)
 			ring->flags = IGB_RING_FLAG_TX_CTX_IDX;
@@ -447,6 +447,7 @@ static int igb_alloc_queues(struct igb_adapter *adapter)
 		ring->count = adapter->rx_ring_count;
 		ring->queue_index = i;
 		ring->pdev = adapter->pdev;
+		ring->netdev = adapter->netdev;
 		ring->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
 		ring->flags = IGB_RING_FLAG_RX_CSUM; /* enable rx checksum */
 		/* set flag indicating ring supports SCTP checksum offload */
@@ -3550,9 +3551,10 @@ static inline void igb_tx_queue_adv(struct igb_ring *tx_ring,
 	mmiowb();
 }
 
-static int __igb_maybe_stop_tx(struct net_device *netdev,
-			       struct igb_ring *tx_ring, int size)
+static int __igb_maybe_stop_tx(struct igb_ring *tx_ring, int size)
 {
+	struct net_device *netdev = tx_ring->netdev;
+
 	netif_stop_subqueue(netdev, tx_ring->queue_index);
 
 	/* Herbert's original patch had:
@@ -3571,19 +3573,17 @@ static int __igb_maybe_stop_tx(struct net_device *netdev,
 	return 0;
 }
 
-static int igb_maybe_stop_tx(struct net_device *netdev,
-			     struct igb_ring *tx_ring, int size)
+static int igb_maybe_stop_tx(struct igb_ring *tx_ring, int size)
 {
 	if (igb_desc_unused(tx_ring) >= size)
 		return 0;
-	return __igb_maybe_stop_tx(netdev, tx_ring, size);
+	return __igb_maybe_stop_tx(tx_ring, size);
 }
 
 static netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *skb,
-					   struct net_device *netdev,
 					   struct igb_ring *tx_ring)
 {
-	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct igb_adapter *adapter = netdev_priv(tx_ring->netdev);
 	unsigned int first;
 	unsigned int tx_flags = 0;
 	u8 hdr_len = 0;
@@ -3606,7 +3606,7 @@ static netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *skb,
 	 *       + 1 desc for skb->data,
 	 *       + 1 desc for context descriptor,
 	 * otherwise try next time */
-	if (igb_maybe_stop_tx(netdev, tx_ring, skb_shinfo(skb)->nr_frags + 4)) {
+	if (igb_maybe_stop_tx(tx_ring, skb_shinfo(skb)->nr_frags + 4)) {
 		/* this is a hard error */
 		return NETDEV_TX_BUSY;
 	}
@@ -3665,7 +3665,7 @@ static netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *skb,
 	igb_tx_queue_adv(tx_ring, tx_flags, count, skb->len, hdr_len);
 
 	/* Make sure there is space in the ring for the next send. */
-	igb_maybe_stop_tx(netdev, tx_ring, MAX_SKB_FRAGS + 4);
+	igb_maybe_stop_tx(tx_ring, MAX_SKB_FRAGS + 4);
 
 	return NETDEV_TX_OK;
 }
@@ -3684,7 +3684,7 @@ static netdev_tx_t igb_xmit_frame_adv(struct sk_buff *skb,
 	 * to a flow.  Right now, performance is impacted slightly negatively
 	 * if using multiple tx queues.  If the stack breaks away from a
 	 * single qdisc implementation, we can look at this again. */
-	return igb_xmit_frame_ring_adv(skb, netdev, tx_ring);
+	return igb_xmit_frame_ring_adv(skb, tx_ring);
 }
 
 /**
@@ -4667,7 +4667,7 @@ static bool igb_clean_tx_irq(struct igb_q_vector *q_vector)
 {
 	struct igb_adapter *adapter = q_vector->adapter;
 	struct igb_ring *tx_ring = q_vector->tx_ring;
-	struct net_device *netdev = adapter->netdev;
+	struct net_device *netdev = tx_ring->netdev;
 	struct e1000_hw *hw = &adapter->hw;
 	struct igb_buffer *buffer_info;
 	struct sk_buff *skb;
@@ -4841,8 +4841,8 @@ static bool igb_clean_rx_irq_adv(struct igb_q_vector *q_vector,
                                  int *work_done, int budget)
 {
 	struct igb_adapter *adapter = q_vector->adapter;
-	struct net_device *netdev = adapter->netdev;
 	struct igb_ring *rx_ring = q_vector->rx_ring;
+	struct net_device *netdev = rx_ring->netdev;
 	struct e1000_hw *hw = &adapter->hw;
 	struct pci_dev *pdev = rx_ring->pdev;
 	union e1000_adv_rx_desc *rx_desc , *next_rxd;
@@ -5018,8 +5018,7 @@ next_desc:
 static void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring,
 				     int cleaned_count)
 {
-	struct igb_adapter *adapter = rx_ring->q_vector->adapter;
-	struct net_device *netdev = adapter->netdev;
+	struct net_device *netdev = rx_ring->netdev;
 	union e1000_adv_rx_desc *rx_desc;
 	struct igb_buffer *buffer_info;
 	struct sk_buff *skb;
-- 
GitLab


From 06cf2666c7f5cc4ba4bf2687d041c61ada76fa3c Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 15:53:25 +0000
Subject: [PATCH 0625/1815] igb: move the multiple receive queue configuration
 into seperate function

This patch moves the multiple receive queue configuration into a seperate
function from igb_configure_rx.  We can essentially do the configuration for
the multiple receive queues just prior to enabling the RX and this will allow
us to seperate the queue enablement from the receive queue layout
configuration.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb_main.c | 217 +++++++++++++++++++------------------
 1 file changed, 111 insertions(+), 106 deletions(-)

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 3dc8e88c518..ea0560484dc 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -82,6 +82,7 @@ static int igb_setup_all_tx_resources(struct igb_adapter *);
 static int igb_setup_all_rx_resources(struct igb_adapter *);
 static void igb_free_all_tx_resources(struct igb_adapter *);
 static void igb_free_all_rx_resources(struct igb_adapter *);
+static void igb_setup_mrqc(struct igb_adapter *);
 void igb_update_stats(struct igb_adapter *);
 static int igb_probe(struct pci_dev *, const struct pci_device_id *);
 static void __devexit igb_remove(struct pci_dev *pdev);
@@ -1115,6 +1116,7 @@ static void igb_configure(struct igb_adapter *adapter)
 	igb_restore_vlan(adapter);
 
 	igb_setup_tctl(adapter);
+	igb_setup_mrqc(adapter);
 	igb_setup_rctl(adapter);
 
 	igb_configure_tx(adapter);
@@ -1157,7 +1159,6 @@ int igb_up(struct igb_adapter *adapter)
 	if (adapter->msix_entries)
 		igb_configure_msix(adapter);
 
-	igb_vmm_control(adapter);
 	igb_set_vmolr(hw, adapter->vfs_allocated_count);
 
 	/* Clear any pending interrupts. */
@@ -1928,7 +1929,6 @@ static int igb_open(struct net_device *netdev)
 	 * clean_rx handler before we do so.  */
 	igb_configure(adapter);
 
-	igb_vmm_control(adapter);
 	igb_set_vmolr(hw, adapter->vfs_allocated_count);
 
 	err = igb_request_irq(adapter);
@@ -2216,6 +2216,111 @@ static int igb_setup_all_rx_resources(struct igb_adapter *adapter)
 	return err;
 }
 
+/**
+ * igb_setup_mrqc - configure the multiple receive queue control registers
+ * @adapter: Board private structure
+ **/
+static void igb_setup_mrqc(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 mrqc, rxcsum;
+	u32 j, num_rx_queues, shift = 0, shift2 = 0;
+	union e1000_reta {
+		u32 dword;
+		u8  bytes[4];
+	} reta;
+	static const u8 rsshash[40] = {
+		0x6d, 0x5a, 0x56, 0xda, 0x25, 0x5b, 0x0e, 0xc2, 0x41, 0x67,
+		0x25, 0x3d, 0x43, 0xa3, 0x8f, 0xb0, 0xd0, 0xca, 0x2b, 0xcb,
+		0xae, 0x7b, 0x30, 0xb4,	0x77, 0xcb, 0x2d, 0xa3, 0x80, 0x30,
+		0xf2, 0x0c, 0x6a, 0x42, 0xb7, 0x3b, 0xbe, 0xac, 0x01, 0xfa };
+
+	/* Fill out hash function seeds */
+	for (j = 0; j < 10; j++) {
+		u32 rsskey = rsshash[(j * 4)];
+		rsskey |= rsshash[(j * 4) + 1] << 8;
+		rsskey |= rsshash[(j * 4) + 2] << 16;
+		rsskey |= rsshash[(j * 4) + 3] << 24;
+		array_wr32(E1000_RSSRK(0), j, rsskey);
+	}
+
+	num_rx_queues = adapter->num_rx_queues;
+
+	if (adapter->vfs_allocated_count) {
+		/* 82575 and 82576 supports 2 RSS queues for VMDq */
+		switch (hw->mac.type) {
+		case e1000_82576:
+			shift = 3;
+			num_rx_queues = 2;
+			break;
+		case e1000_82575:
+			shift = 2;
+			shift2 = 6;
+		default:
+			break;
+		}
+	} else {
+		if (hw->mac.type == e1000_82575)
+			shift = 6;
+	}
+
+	for (j = 0; j < (32 * 4); j++) {
+		reta.bytes[j & 3] = (j % num_rx_queues) << shift;
+		if (shift2)
+			reta.bytes[j & 3] |= num_rx_queues << shift2;
+		if ((j & 3) == 3)
+			wr32(E1000_RETA(j >> 2), reta.dword);
+	}
+
+	/*
+	 * Disable raw packet checksumming so that RSS hash is placed in
+	 * descriptor on writeback.  No need to enable TCP/UDP/IP checksum
+	 * offloads as they are enabled by default
+	 */
+	rxcsum = rd32(E1000_RXCSUM);
+	rxcsum |= E1000_RXCSUM_PCSD;
+
+	if (adapter->hw.mac.type >= e1000_82576)
+		/* Enable Receive Checksum Offload for SCTP */
+		rxcsum |= E1000_RXCSUM_CRCOFL;
+
+	/* Don't need to set TUOFL or IPOFL, they default to 1 */
+	wr32(E1000_RXCSUM, rxcsum);
+
+	/* If VMDq is enabled then we set the appropriate mode for that, else
+	 * we default to RSS so that an RSS hash is calculated per packet even
+	 * if we are only using one queue */
+	if (adapter->vfs_allocated_count) {
+		if (hw->mac.type > e1000_82575) {
+			/* Set the default pool for the PF's first queue */
+			u32 vtctl = rd32(E1000_VT_CTL);
+			vtctl &= ~(E1000_VT_CTL_DEFAULT_POOL_MASK |
+				   E1000_VT_CTL_DISABLE_DEF_POOL);
+			vtctl |= adapter->vfs_allocated_count <<
+				E1000_VT_CTL_DEFAULT_POOL_SHIFT;
+			wr32(E1000_VT_CTL, vtctl);
+		}
+		if (adapter->num_rx_queues > 1)
+			mrqc = E1000_MRQC_ENABLE_VMDQ_RSS_2Q;
+		else
+			mrqc = E1000_MRQC_ENABLE_VMDQ;
+	} else {
+		mrqc = E1000_MRQC_ENABLE_RSS_4Q;
+	}
+	igb_vmm_control(adapter);
+
+	mrqc |= (E1000_MRQC_RSS_FIELD_IPV4 |
+		 E1000_MRQC_RSS_FIELD_IPV4_TCP);
+	mrqc |= (E1000_MRQC_RSS_FIELD_IPV6 |
+		 E1000_MRQC_RSS_FIELD_IPV6_TCP);
+	mrqc |= (E1000_MRQC_RSS_FIELD_IPV4_UDP |
+		 E1000_MRQC_RSS_FIELD_IPV6_UDP);
+	mrqc |= (E1000_MRQC_RSS_FIELD_IPV6_UDP_EX |
+		 E1000_MRQC_RSS_FIELD_IPV6_TCP_EX);
+
+	wr32(E1000_MRQC, mrqc);
+}
+
 /**
  * igb_setup_rctl - configure the receive control registers
  * @adapter: Board private structure
@@ -2297,29 +2402,6 @@ static void igb_rlpml_set(struct igb_adapter *adapter)
 	wr32(E1000_RLPML, max_frame_size);
 }
 
-/**
- * igb_configure_vt_default_pool - Configure VT default pool
- * @adapter: board private structure
- *
- * Configure the default pool
- **/
-static void igb_configure_vt_default_pool(struct igb_adapter *adapter)
-{
-	struct e1000_hw *hw = &adapter->hw;
-	u16 pf_id = adapter->vfs_allocated_count;
-	u32 vtctl;
-
-	/* not in sr-iov mode - do nothing */
-	if (!pf_id)
-		return;
-
-	vtctl = rd32(E1000_VT_CTL);
-	vtctl &= ~(E1000_VT_CTL_DEFAULT_POOL_MASK |
-		   E1000_VT_CTL_DISABLE_DEF_POOL);
-	vtctl |= pf_id << E1000_VT_CTL_DEFAULT_POOL_SHIFT;
-	wr32(E1000_VT_CTL, vtctl);
-}
-
 /**
  * igb_configure_rx_ring - Configure a receive ring after Reset
  * @adapter: board private structure
@@ -2391,85 +2473,8 @@ static void igb_configure_rx_ring(struct igb_adapter *adapter,
  **/
 static void igb_configure_rx(struct igb_adapter *adapter)
 {
-	struct e1000_hw *hw = &adapter->hw;
-	u32 rctl, rxcsum;
 	int i;
 
-	/* disable receives while setting up the descriptors */
-	rctl = rd32(E1000_RCTL);
-	wr32(E1000_RCTL, rctl & ~E1000_RCTL_EN);
-	wrfl();
-	mdelay(10);
-
-	if (adapter->itr_setting > 3)
-		wr32(E1000_ITR, adapter->itr);
-
-	/* Setup the HW Rx Head and Tail Descriptor Pointers and
-	 * the Base and Length of the Rx Descriptor Ring */
-	for (i = 0; i < adapter->num_rx_queues; i++)
-		igb_configure_rx_ring(adapter, &adapter->rx_ring[i]);
-
-	if (adapter->num_rx_queues > 1) {
-		u32 random[10];
-		u32 mrqc;
-		u32 j, shift;
-		union e1000_reta {
-			u32 dword;
-			u8  bytes[4];
-		} reta;
-
-		get_random_bytes(&random[0], 40);
-
-		if (hw->mac.type >= e1000_82576)
-			shift = 0;
-		else
-			shift = 6;
-		for (j = 0; j < (32 * 4); j++) {
-			reta.bytes[j & 3] =
-				adapter->rx_ring[(j % adapter->num_rx_queues)].reg_idx << shift;
-			if ((j & 3) == 3)
-				writel(reta.dword,
-				       hw->hw_addr + E1000_RETA(0) + (j & ~3));
-		}
-		if (adapter->vfs_allocated_count)
-			mrqc = E1000_MRQC_ENABLE_VMDQ_RSS_2Q;
-		else
-			mrqc = E1000_MRQC_ENABLE_RSS_4Q;
-
-		/* Fill out hash function seeds */
-		for (j = 0; j < 10; j++)
-			array_wr32(E1000_RSSRK(0), j, random[j]);
-
-		mrqc |= (E1000_MRQC_RSS_FIELD_IPV4 |
-			 E1000_MRQC_RSS_FIELD_IPV4_TCP);
-		mrqc |= (E1000_MRQC_RSS_FIELD_IPV6 |
-			 E1000_MRQC_RSS_FIELD_IPV6_TCP);
-		mrqc |= (E1000_MRQC_RSS_FIELD_IPV4_UDP |
-			 E1000_MRQC_RSS_FIELD_IPV6_UDP);
-		mrqc |= (E1000_MRQC_RSS_FIELD_IPV6_UDP_EX |
-			 E1000_MRQC_RSS_FIELD_IPV6_TCP_EX);
-
-		wr32(E1000_MRQC, mrqc);
-	} else if (adapter->vfs_allocated_count) {
-		/* Enable multi-queue for sr-iov */
-		wr32(E1000_MRQC, E1000_MRQC_ENABLE_VMDQ);
-	}
-
-	/* Enable Receive Checksum Offload for TCP and UDP */
-	rxcsum = rd32(E1000_RXCSUM);
-	/* Disable raw packet checksumming */
-	rxcsum |= E1000_RXCSUM_PCSD;
-
-	if (adapter->hw.mac.type == e1000_82576)
-		/* Enable Receive Checksum Offload for SCTP */
-		rxcsum |= E1000_RXCSUM_CRCOFL;
-
-	/* Don't need to set TUOFL or IPOFL, they default to 1 */
-	wr32(E1000_RXCSUM, rxcsum);
-
-	/* Set the default pool for the PF's first queue */
-	igb_configure_vt_default_pool(adapter);
-
 	/* set UTA to appropriate mode */
 	igb_set_uta(adapter);
 
@@ -2477,10 +2482,10 @@ static void igb_configure_rx(struct igb_adapter *adapter)
 	igb_rar_set_qsel(adapter, adapter->hw.mac.addr, 0,
 	                 adapter->vfs_allocated_count);
 
-	igb_rlpml_set(adapter);
-
-	/* Enable Receives */
-	wr32(E1000_RCTL, rctl);
+	/* Setup the HW Rx Head and Tail Descriptor Pointers and
+	 * the Base and Length of the Rx Descriptor Ring */
+	for (i = 0; i < adapter->num_rx_queues; i++)
+		igb_configure_rx_ring(adapter, &adapter->rx_ring[i]);
 }
 
 /**
-- 
GitLab


From d4960307ea63a5625a175cc2d7b192e68e6b4fba Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 15:53:45 +0000
Subject: [PATCH 0626/1815] igb: delay VF reset notification until after
 interrupts are enabed

This update delays the VF reset notification until after interrupts are
enabled.  Otherwise there is a chance of having the VF try to reset itself too
soon and being ignored by the PF as a result.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb_main.c | 33 +++++++++++++++++++++++----------
 1 file changed, 23 insertions(+), 10 deletions(-)

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index ea0560484dc..24a119ec005 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -1165,6 +1165,13 @@ int igb_up(struct igb_adapter *adapter)
 	rd32(E1000_ICR);
 	igb_irq_enable(adapter);
 
+	/* notify VFs that reset has been completed */
+	if (adapter->vfs_allocated_count) {
+		u32 reg_data = rd32(E1000_CTRL_EXT);
+		reg_data |= E1000_CTRL_EXT_PFRSTD;
+		wr32(E1000_CTRL_EXT, reg_data);
+	}
+
 	netif_tx_start_all_queues(adapter->netdev);
 
 	/* Fire a link change interrupt to start the watchdog. */
@@ -1948,6 +1955,13 @@ static int igb_open(struct net_device *netdev)
 
 	igb_irq_enable(adapter);
 
+	/* notify VFs that reset has been completed */
+	if (adapter->vfs_allocated_count) {
+		u32 reg_data = rd32(E1000_CTRL_EXT);
+		reg_data |= E1000_CTRL_EXT_PFRSTD;
+		wr32(E1000_CTRL_EXT, reg_data);
+	}
+
 	netif_tx_start_all_queues(netdev);
 
 	/* Fire a link status change interrupt to start the watchdog. */
@@ -5785,19 +5799,18 @@ static int igb_set_vf_mac(struct igb_adapter *adapter,
 static void igb_vmm_control(struct igb_adapter *adapter)
 {
 	struct e1000_hw *hw = &adapter->hw;
-	u32 reg_data;
 
-	if (!adapter->vfs_allocated_count)
+	/* replication is not supported for 82575 */
+	if (hw->mac.type == e1000_82575)
 		return;
 
-	/* VF's need PF reset indication before they
-	 * can send/receive mail */
-	reg_data = rd32(E1000_CTRL_EXT);
-	reg_data |= E1000_CTRL_EXT_PFRSTD;
-	wr32(E1000_CTRL_EXT, reg_data);
-
-	igb_vmdq_set_loopback_pf(hw, true);
-	igb_vmdq_set_replication_pf(hw, true);
+	if (adapter->vfs_allocated_count) {
+		igb_vmdq_set_loopback_pf(hw, true);
+		igb_vmdq_set_replication_pf(hw, true);
+	} else {
+		igb_vmdq_set_loopback_pf(hw, false);
+		igb_vmdq_set_replication_pf(hw, false);
+	}
 }
 
 /* igb_main.c */
-- 
GitLab


From 10d8e9073a320a1c9cc13f996bd600b477eb4872 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 15:54:04 +0000
Subject: [PATCH 0627/1815] igb: setup vlan tag replication stripping in
 igb_vmm_control

This update adds vlan tag stripping for inter-vf communications to the
igb_vmm_control configuration function.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/e1000_82575.h |  9 +++++++++
 drivers/net/igb/igb_main.c    | 11 +++++++++++
 2 files changed, 20 insertions(+)

diff --git a/drivers/net/igb/e1000_82575.h b/drivers/net/igb/e1000_82575.h
index 7be3a0b6a05..9418683ed00 100644
--- a/drivers/net/igb/e1000_82575.h
+++ b/drivers/net/igb/e1000_82575.h
@@ -203,6 +203,15 @@ struct e1000_adv_tx_context_desc {
 #define E1000_IOVCTL 0x05BBC
 #define E1000_IOVCTL_REUSE_VFQ 0x00000001
 
+#define E1000_RPLOLR_STRVLAN   0x40000000
+#define E1000_RPLOLR_STRCRC    0x80000000
+
+#define E1000_DTXCTL_8023LL     0x0004
+#define E1000_DTXCTL_VLAN_ADDED 0x0008
+#define E1000_DTXCTL_OOS_ENABLE 0x0010
+#define E1000_DTXCTL_MDP_EN     0x0020
+#define E1000_DTXCTL_SPOOF_INT  0x0040
+
 #define ALL_QUEUES   0xFFFF
 
 void igb_vmdq_set_loopback_pf(struct e1000_hw *, bool);
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 24a119ec005..9dd290cf754 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -5799,11 +5799,22 @@ static int igb_set_vf_mac(struct igb_adapter *adapter,
 static void igb_vmm_control(struct igb_adapter *adapter)
 {
 	struct e1000_hw *hw = &adapter->hw;
+	u32 reg;
 
 	/* replication is not supported for 82575 */
 	if (hw->mac.type == e1000_82575)
 		return;
 
+	/* enable replication vlan tag stripping */
+	reg = rd32(E1000_RPLOLR);
+	reg |= E1000_RPLOLR_STRVLAN;
+	wr32(E1000_RPLOLR, reg);
+
+	/* notify HW that the MAC is adding vlan tags */
+	reg = rd32(E1000_DTXCTL);
+	reg |= E1000_DTXCTL_VLAN_ADDED;
+	wr32(E1000_DTXCTL, reg);
+
 	if (adapter->vfs_allocated_count) {
 		igb_vmdq_set_loopback_pf(hw, true);
 		igb_vmdq_set_replication_pf(hw, true);
-- 
GitLab


From d7ee5b3a78f57a8ca9ca2392ff5d03f91ec90bdb Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 15:54:23 +0000
Subject: [PATCH 0628/1815] igb: re-use ring configuration code in ethtool
 testing

Since all of the ring code is now specific to the ring instead of the adapter
struct it is possible to cut a large section of code out of the ethtool
testing configuraiton since we can just use the existing functions to
configure the rings.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb.h         |  14 +++
 drivers/net/igb/igb_ethtool.c | 185 +++++++---------------------------
 drivers/net/igb/igb_main.c    |  29 ++----
 3 files changed, 60 insertions(+), 168 deletions(-)

diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index 2416c12af3f..8b189a0c52e 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -223,6 +223,15 @@ struct igb_ring {
 #define E1000_TX_CTXTDESC_ADV(R, i)	    \
 	(&(((struct e1000_adv_tx_context_desc *)((R).desc))[i]))
 
+/* igb_desc_unused - calculate if we have unused descriptors */
+static inline int igb_desc_unused(struct igb_ring *ring)
+{
+	if (ring->next_to_clean > ring->next_to_use)
+		return ring->next_to_clean - ring->next_to_use - 1;
+
+	return ring->count + ring->next_to_clean - ring->next_to_use - 1;
+}
+
 /* board specific private data structure */
 
 struct igb_adapter {
@@ -336,6 +345,11 @@ extern int igb_setup_tx_resources(struct igb_ring *);
 extern int igb_setup_rx_resources(struct igb_ring *);
 extern void igb_free_tx_resources(struct igb_ring *);
 extern void igb_free_rx_resources(struct igb_ring *);
+extern void igb_configure_tx_ring(struct igb_adapter *, struct igb_ring *);
+extern void igb_configure_rx_ring(struct igb_adapter *, struct igb_ring *);
+extern void igb_setup_tctl(struct igb_adapter *);
+extern void igb_setup_rctl(struct igb_adapter *);
+extern void igb_alloc_rx_buffers_adv(struct igb_ring *, int);
 extern void igb_update_stats(struct igb_adapter *);
 extern void igb_set_ethtool_ops(struct net_device *);
 
diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
index c44dedec126..80afd8a0b12 100644
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -1245,116 +1245,49 @@ static int igb_intr_test(struct igb_adapter *adapter, u64 *data)
 
 static void igb_free_desc_rings(struct igb_adapter *adapter)
 {
-	struct igb_ring *tx_ring = &adapter->test_tx_ring;
-	struct igb_ring *rx_ring = &adapter->test_rx_ring;
-	struct pci_dev *pdev = adapter->pdev;
-	int i;
-
-	if (tx_ring->desc && tx_ring->buffer_info) {
-		for (i = 0; i < tx_ring->count; i++) {
-			struct igb_buffer *buf = &(tx_ring->buffer_info[i]);
-			if (buf->dma)
-				pci_unmap_single(pdev, buf->dma, buf->length,
-						 PCI_DMA_TODEVICE);
-			if (buf->skb)
-				dev_kfree_skb(buf->skb);
-		}
-	}
-
-	if (rx_ring->desc && rx_ring->buffer_info) {
-		for (i = 0; i < rx_ring->count; i++) {
-			struct igb_buffer *buf = &(rx_ring->buffer_info[i]);
-			if (buf->dma)
-				pci_unmap_single(pdev, buf->dma,
-						 IGB_RXBUFFER_2048,
-						 PCI_DMA_FROMDEVICE);
-			if (buf->skb)
-				dev_kfree_skb(buf->skb);
-		}
-	}
-
-	if (tx_ring->desc) {
-		pci_free_consistent(pdev, tx_ring->size, tx_ring->desc,
-				    tx_ring->dma);
-		tx_ring->desc = NULL;
-	}
-	if (rx_ring->desc) {
-		pci_free_consistent(pdev, rx_ring->size, rx_ring->desc,
-				    rx_ring->dma);
-		rx_ring->desc = NULL;
-	}
-
-	kfree(tx_ring->buffer_info);
-	tx_ring->buffer_info = NULL;
-	kfree(rx_ring->buffer_info);
-	rx_ring->buffer_info = NULL;
-
-	return;
+	igb_free_tx_resources(&adapter->test_tx_ring);
+	igb_free_rx_resources(&adapter->test_rx_ring);
 }
 
 static int igb_setup_desc_rings(struct igb_adapter *adapter)
 {
-	struct e1000_hw *hw = &adapter->hw;
 	struct igb_ring *tx_ring = &adapter->test_tx_ring;
 	struct igb_ring *rx_ring = &adapter->test_rx_ring;
-	struct pci_dev *pdev = adapter->pdev;
-	struct igb_buffer *buffer_info;
-	u32 rctl;
+	struct e1000_hw *hw = &adapter->hw;
 	int i, ret_val;
 
 	/* Setup Tx descriptor ring and Tx buffers */
+	tx_ring->count = IGB_DEFAULT_TXD;
+	tx_ring->pdev = adapter->pdev;
+	tx_ring->netdev = adapter->netdev;
+	tx_ring->reg_idx = adapter->vfs_allocated_count;
 
-	if (!tx_ring->count)
-		tx_ring->count = IGB_DEFAULT_TXD;
-
-	tx_ring->buffer_info = kcalloc(tx_ring->count,
-				       sizeof(struct igb_buffer),
-				       GFP_KERNEL);
-	if (!tx_ring->buffer_info) {
+	if (igb_setup_tx_resources(tx_ring)) {
 		ret_val = 1;
 		goto err_nomem;
 	}
 
-	tx_ring->size = tx_ring->count * sizeof(union e1000_adv_tx_desc);
-	tx_ring->size = ALIGN(tx_ring->size, 4096);
-	tx_ring->desc = pci_alloc_consistent(pdev, tx_ring->size,
-					     &tx_ring->dma);
-	if (!tx_ring->desc) {
-		ret_val = 2;
-		goto err_nomem;
-	}
-	tx_ring->next_to_use = tx_ring->next_to_clean = 0;
-
-	wr32(E1000_TDBAL(0),
-			((u64) tx_ring->dma & 0x00000000FFFFFFFF));
-	wr32(E1000_TDBAH(0), ((u64) tx_ring->dma >> 32));
-	wr32(E1000_TDLEN(0),
-			tx_ring->count * sizeof(union e1000_adv_tx_desc));
-	wr32(E1000_TDH(0), 0);
-	wr32(E1000_TDT(0), 0);
-	wr32(E1000_TCTL,
-			E1000_TCTL_PSP | E1000_TCTL_EN |
-			E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
-			E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
+	igb_setup_tctl(adapter);
+	igb_configure_tx_ring(adapter, tx_ring);
 
 	for (i = 0; i < tx_ring->count; i++) {
 		union e1000_adv_tx_desc *tx_desc;
-		struct sk_buff *skb;
 		unsigned int size = 1024;
+		struct sk_buff *skb = alloc_skb(size, GFP_KERNEL);
 
-		tx_desc = E1000_TX_DESC_ADV(*tx_ring, i);
-		skb = alloc_skb(size, GFP_KERNEL);
 		if (!skb) {
-			ret_val = 3;
+			ret_val = 2;
 			goto err_nomem;
 		}
 		skb_put(skb, size);
-		buffer_info = &tx_ring->buffer_info[i];
-		buffer_info->skb = skb;
-		buffer_info->length = skb->len;
-		buffer_info->dma = pci_map_single(pdev, skb->data, skb->len,
-		                                  PCI_DMA_TODEVICE);
-		tx_desc->read.buffer_addr = cpu_to_le64(buffer_info->dma);
+		tx_ring->buffer_info[i].skb = skb;
+		tx_ring->buffer_info[i].length = skb->len;
+		tx_ring->buffer_info[i].dma =
+			pci_map_single(tx_ring->pdev, skb->data, skb->len,
+				       PCI_DMA_TODEVICE);
+		tx_desc = E1000_TX_DESC_ADV(*tx_ring, i);
+		tx_desc->read.buffer_addr =
+			cpu_to_le64(tx_ring->buffer_info[i].dma);
 		tx_desc->read.olinfo_status = cpu_to_le32(skb->len) <<
 		                              E1000_ADVTXD_PAYLEN_SHIFT;
 		tx_desc->read.cmd_type_len = cpu_to_le32(skb->len);
@@ -1366,62 +1299,25 @@ static int igb_setup_desc_rings(struct igb_adapter *adapter)
 	}
 
 	/* Setup Rx descriptor ring and Rx buffers */
-
-	if (!rx_ring->count)
-		rx_ring->count = IGB_DEFAULT_RXD;
-
-	rx_ring->buffer_info = kcalloc(rx_ring->count,
-				       sizeof(struct igb_buffer),
-				       GFP_KERNEL);
-	if (!rx_ring->buffer_info) {
-		ret_val = 4;
-		goto err_nomem;
-	}
-
-	rx_ring->size = rx_ring->count * sizeof(union e1000_adv_rx_desc);
-	rx_ring->desc = pci_alloc_consistent(pdev, rx_ring->size,
-					     &rx_ring->dma);
-	if (!rx_ring->desc) {
-		ret_val = 5;
+	rx_ring->count = IGB_DEFAULT_RXD;
+	rx_ring->pdev = adapter->pdev;
+	rx_ring->netdev = adapter->netdev;
+	rx_ring->rx_buffer_len = IGB_RXBUFFER_2048;
+	rx_ring->reg_idx = adapter->vfs_allocated_count;
+
+	if (igb_setup_rx_resources(rx_ring)) {
+		ret_val = 3;
 		goto err_nomem;
 	}
-	rx_ring->next_to_use = rx_ring->next_to_clean = 0;
 
-	rctl = rd32(E1000_RCTL);
-	wr32(E1000_RCTL, rctl & ~E1000_RCTL_EN);
-	wr32(E1000_RDBAL(0),
-			((u64) rx_ring->dma & 0xFFFFFFFF));
-	wr32(E1000_RDBAH(0),
-			((u64) rx_ring->dma >> 32));
-	wr32(E1000_RDLEN(0), rx_ring->size);
-	wr32(E1000_RDH(0), 0);
-	wr32(E1000_RDT(0), 0);
-	rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
-	rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_RDMTS_HALF |
-		(adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
-	wr32(E1000_RCTL, rctl);
-	wr32(E1000_SRRCTL(0), E1000_SRRCTL_DESCTYPE_ADV_ONEBUF);
+	/* set the default queue to queue 0 of PF */
+	wr32(E1000_MRQC, adapter->vfs_allocated_count << 3);
 
-	for (i = 0; i < rx_ring->count; i++) {
-		union e1000_adv_rx_desc *rx_desc;
-		struct sk_buff *skb;
+	/* enable receive ring */
+	igb_setup_rctl(adapter);
+	igb_configure_rx_ring(adapter, rx_ring);
 
-		buffer_info = &rx_ring->buffer_info[i];
-		rx_desc = E1000_RX_DESC_ADV(*rx_ring, i);
-		skb = alloc_skb(IGB_RXBUFFER_2048 + NET_IP_ALIGN,
-				GFP_KERNEL);
-		if (!skb) {
-			ret_val = 6;
-			goto err_nomem;
-		}
-		skb_reserve(skb, NET_IP_ALIGN);
-		buffer_info->skb = skb;
-		buffer_info->dma = pci_map_single(pdev, skb->data,
-		                                  IGB_RXBUFFER_2048,
-		                                  PCI_DMA_FROMDEVICE);
-		rx_desc->read.pkt_addr = cpu_to_le64(buffer_info->dma);
-		memset(skb->data, 0x00, skb->len);
-	}
+	igb_alloc_rx_buffers_adv(rx_ring, igb_desc_unused(rx_ring));
 
 	return 0;
 
@@ -1576,15 +1472,12 @@ static int igb_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
 
 static int igb_run_loopback_test(struct igb_adapter *adapter)
 {
-	struct e1000_hw *hw = &adapter->hw;
 	struct igb_ring *tx_ring = &adapter->test_tx_ring;
 	struct igb_ring *rx_ring = &adapter->test_rx_ring;
-	struct pci_dev *pdev = adapter->pdev;
-	int i, j, k, l, lc, good_cnt;
-	int ret_val = 0;
+	int i, j, k, l, lc, good_cnt, ret_val = 0;
 	unsigned long time;
 
-	wr32(E1000_RDT(0), rx_ring->count - 1);
+	writel(rx_ring->count - 1, rx_ring->tail);
 
 	/* Calculate the loop count based on the largest descriptor ring
 	 * The idea is to wrap the largest ring a number of times using 64
@@ -1601,7 +1494,7 @@ static int igb_run_loopback_test(struct igb_adapter *adapter)
 		for (i = 0; i < 64; i++) { /* send the packets */
 			igb_create_lbtest_frame(tx_ring->buffer_info[k].skb,
 						1024);
-			pci_dma_sync_single_for_device(pdev,
+			pci_dma_sync_single_for_device(tx_ring->pdev,
 				tx_ring->buffer_info[k].dma,
 				tx_ring->buffer_info[k].length,
 				PCI_DMA_TODEVICE);
@@ -1609,12 +1502,12 @@ static int igb_run_loopback_test(struct igb_adapter *adapter)
 			if (k == tx_ring->count)
 				k = 0;
 		}
-		wr32(E1000_TDT(0), k);
+		writel(k, tx_ring->tail);
 		msleep(200);
 		time = jiffies; /* set the start time for the receive */
 		good_cnt = 0;
 		do { /* receive the sent packets */
-			pci_dma_sync_single_for_cpu(pdev,
+			pci_dma_sync_single_for_cpu(rx_ring->pdev,
 					rx_ring->buffer_info[l].dma,
 					IGB_RXBUFFER_2048,
 					PCI_DMA_FROMDEVICE);
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 9dd290cf754..576a4fac51d 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -91,8 +91,6 @@ static int igb_open(struct net_device *);
 static int igb_close(struct net_device *);
 static void igb_configure_tx(struct igb_adapter *);
 static void igb_configure_rx(struct igb_adapter *);
-static void igb_setup_tctl(struct igb_adapter *);
-static void igb_setup_rctl(struct igb_adapter *);
 static void igb_clean_all_tx_rings(struct igb_adapter *);
 static void igb_clean_all_rx_rings(struct igb_adapter *);
 static void igb_clean_tx_ring(struct igb_ring *);
@@ -120,7 +118,6 @@ static void igb_setup_dca(struct igb_adapter *);
 static bool igb_clean_tx_irq(struct igb_q_vector *);
 static int igb_poll(struct napi_struct *, int);
 static bool igb_clean_rx_irq_adv(struct igb_q_vector *, int *, int);
-static void igb_alloc_rx_buffers_adv(struct igb_ring *, int);
 static int igb_ioctl(struct net_device *, struct ifreq *, int cmd);
 static void igb_tx_timeout(struct net_device *);
 static void igb_reset_task(struct work_struct *);
@@ -309,17 +306,6 @@ static char *igb_get_time_str(struct igb_adapter *adapter,
 }
 #endif
 
-/**
- * igb_desc_unused - calculate if we have unused descriptors
- **/
-static int igb_desc_unused(struct igb_ring *ring)
-{
-	if (ring->next_to_clean > ring->next_to_use)
-		return ring->next_to_clean - ring->next_to_use - 1;
-
-	return ring->count + ring->next_to_clean - ring->next_to_use - 1;
-}
-
 /**
  * igb_init_module - Driver Registration Routine
  *
@@ -2087,7 +2073,7 @@ static int igb_setup_all_tx_resources(struct igb_adapter *adapter)
  * igb_setup_tctl - configure the transmit control registers
  * @adapter: Board private structure
  **/
-static void igb_setup_tctl(struct igb_adapter *adapter)
+void igb_setup_tctl(struct igb_adapter *adapter)
 {
 	struct e1000_hw *hw = &adapter->hw;
 	u32 tctl;
@@ -2116,8 +2102,8 @@ static void igb_setup_tctl(struct igb_adapter *adapter)
  *
  * Configure a transmit ring after a reset.
  **/
-static void igb_configure_tx_ring(struct igb_adapter *adapter,
-                                  struct igb_ring *ring)
+void igb_configure_tx_ring(struct igb_adapter *adapter,
+                           struct igb_ring *ring)
 {
 	struct e1000_hw *hw = &adapter->hw;
 	u32 txdctl;
@@ -2339,7 +2325,7 @@ static void igb_setup_mrqc(struct igb_adapter *adapter)
  * igb_setup_rctl - configure the receive control registers
  * @adapter: Board private structure
  **/
-static void igb_setup_rctl(struct igb_adapter *adapter)
+void igb_setup_rctl(struct igb_adapter *adapter)
 {
 	struct e1000_hw *hw = &adapter->hw;
 	u32 rctl;
@@ -2423,8 +2409,8 @@ static void igb_rlpml_set(struct igb_adapter *adapter)
  *
  * Configure the Rx unit of the MAC after a reset.
  **/
-static void igb_configure_rx_ring(struct igb_adapter *adapter,
-                                  struct igb_ring *ring)
+void igb_configure_rx_ring(struct igb_adapter *adapter,
+                           struct igb_ring *ring)
 {
 	struct e1000_hw *hw = &adapter->hw;
 	u64 rdba = ring->dma;
@@ -5034,8 +5020,7 @@ next_desc:
  * igb_alloc_rx_buffers_adv - Replace used receive buffers; packet split
  * @adapter: address of board private structure
  **/
-static void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring,
-				     int cleaned_count)
+void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring, int cleaned_count)
 {
 	struct net_device *netdev = rx_ring->netdev;
 	union e1000_adv_rx_desc *rx_desc;
-- 
GitLab


From b1a436c34c44c6e3fb03c12545d87b4c2818f31d Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 15:54:43 +0000
Subject: [PATCH 0629/1815] igb: make tx ring map and free functionality
 non-static

This change makes a minor change to the xmit_frame_ring_adv funcition in that
it moves 2 checks from it into the xmit_frame_adv since the checks were not
ring specific.  In addition it exports the xmit_frame_ring_adv and the
unmap_and_free_tx_resource calls so that they can be used by other code such
as the ethtool loopback testing calls.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb.h      |  3 +++
 drivers/net/igb/igb_main.c | 35 ++++++++++++++++-------------------
 2 files changed, 19 insertions(+), 19 deletions(-)

diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index 8b189a0c52e..6c35c9029a5 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -349,6 +349,9 @@ extern void igb_configure_tx_ring(struct igb_adapter *, struct igb_ring *);
 extern void igb_configure_rx_ring(struct igb_adapter *, struct igb_ring *);
 extern void igb_setup_tctl(struct igb_adapter *);
 extern void igb_setup_rctl(struct igb_adapter *);
+extern netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *, struct igb_ring *);
+extern void igb_unmap_and_free_tx_resource(struct igb_ring *,
+					   struct igb_buffer *);
 extern void igb_alloc_rx_buffers_adv(struct igb_ring *, int);
 extern void igb_update_stats(struct igb_adapter *);
 extern void igb_set_ethtool_ops(struct net_device *);
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 576a4fac51d..c9fda113abe 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -99,10 +99,7 @@ static void igb_set_rx_mode(struct net_device *);
 static void igb_update_phy_info(unsigned long);
 static void igb_watchdog(unsigned long);
 static void igb_watchdog_task(struct work_struct *);
-static netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *,
-					   struct igb_ring *);
-static netdev_tx_t igb_xmit_frame_adv(struct sk_buff *skb,
-				      struct net_device *);
+static netdev_tx_t igb_xmit_frame_adv(struct sk_buff *skb, struct net_device *);
 static struct net_device_stats *igb_get_stats(struct net_device *);
 static int igb_change_mtu(struct net_device *, int);
 static int igb_set_mac(struct net_device *, void *);
@@ -2521,8 +2518,8 @@ static void igb_free_all_tx_resources(struct igb_adapter *adapter)
 		igb_free_tx_resources(&adapter->tx_ring[i]);
 }
 
-static void igb_unmap_and_free_tx_resource(struct igb_ring *tx_ring,
-					   struct igb_buffer *buffer_info)
+void igb_unmap_and_free_tx_resource(struct igb_ring *tx_ring,
+				    struct igb_buffer *buffer_info)
 {
 	buffer_info->dma = 0;
 	if (buffer_info->skb) {
@@ -3585,8 +3582,8 @@ static int igb_maybe_stop_tx(struct igb_ring *tx_ring, int size)
 	return __igb_maybe_stop_tx(tx_ring, size);
 }
 
-static netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *skb,
-					   struct igb_ring *tx_ring)
+netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *skb,
+				    struct igb_ring *tx_ring)
 {
 	struct igb_adapter *adapter = netdev_priv(tx_ring->netdev);
 	unsigned int first;
@@ -3596,16 +3593,6 @@ static netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *skb,
 	int tso = 0;
 	union skb_shared_tx *shtx;
 
-	if (test_bit(__IGB_DOWN, &adapter->state)) {
-		dev_kfree_skb_any(skb);
-		return NETDEV_TX_OK;
-	}
-
-	if (skb->len <= 0) {
-		dev_kfree_skb_any(skb);
-		return NETDEV_TX_OK;
-	}
-
 	/* need: 1 descriptor per page,
 	 *       + 2 desc gap to keep tail from touching head,
 	 *       + 1 desc for skb->data,
@@ -3680,8 +3667,18 @@ static netdev_tx_t igb_xmit_frame_adv(struct sk_buff *skb,
 {
 	struct igb_adapter *adapter = netdev_priv(netdev);
 	struct igb_ring *tx_ring;
-
 	int r_idx = 0;
+
+	if (test_bit(__IGB_DOWN, &adapter->state)) {
+		dev_kfree_skb_any(skb);
+		return NETDEV_TX_OK;
+	}
+
+	if (skb->len <= 0) {
+		dev_kfree_skb_any(skb);
+		return NETDEV_TX_OK;
+	}
+
 	r_idx = skb->queue_mapping & (IGB_ABS_MAX_TX_QUEUES - 1);
 	tx_ring = adapter->multi_tx_table[r_idx];
 
-- 
GitLab


From ad93d17efe063b6e95f3177fa01706f3b3b15dde Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 15:55:02 +0000
Subject: [PATCH 0630/1815] igb: make ethtool use core xmit map and free
 functionality

This change adds a clean_rx/tx_irq type function call to the ethtool loopback
testing which allows us to test the core transmit and receive functionality in
the driver.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb_ethtool.c | 156 +++++++++++++++++++---------------
 1 file changed, 89 insertions(+), 67 deletions(-)

diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
index 80afd8a0b12..aa05f00966e 100644
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -1254,7 +1254,7 @@ static int igb_setup_desc_rings(struct igb_adapter *adapter)
 	struct igb_ring *tx_ring = &adapter->test_tx_ring;
 	struct igb_ring *rx_ring = &adapter->test_rx_ring;
 	struct e1000_hw *hw = &adapter->hw;
-	int i, ret_val;
+	int ret_val;
 
 	/* Setup Tx descriptor ring and Tx buffers */
 	tx_ring->count = IGB_DEFAULT_TXD;
@@ -1270,34 +1270,6 @@ static int igb_setup_desc_rings(struct igb_adapter *adapter)
 	igb_setup_tctl(adapter);
 	igb_configure_tx_ring(adapter, tx_ring);
 
-	for (i = 0; i < tx_ring->count; i++) {
-		union e1000_adv_tx_desc *tx_desc;
-		unsigned int size = 1024;
-		struct sk_buff *skb = alloc_skb(size, GFP_KERNEL);
-
-		if (!skb) {
-			ret_val = 2;
-			goto err_nomem;
-		}
-		skb_put(skb, size);
-		tx_ring->buffer_info[i].skb = skb;
-		tx_ring->buffer_info[i].length = skb->len;
-		tx_ring->buffer_info[i].dma =
-			pci_map_single(tx_ring->pdev, skb->data, skb->len,
-				       PCI_DMA_TODEVICE);
-		tx_desc = E1000_TX_DESC_ADV(*tx_ring, i);
-		tx_desc->read.buffer_addr =
-			cpu_to_le64(tx_ring->buffer_info[i].dma);
-		tx_desc->read.olinfo_status = cpu_to_le32(skb->len) <<
-		                              E1000_ADVTXD_PAYLEN_SHIFT;
-		tx_desc->read.cmd_type_len = cpu_to_le32(skb->len);
-		tx_desc->read.cmd_type_len |= cpu_to_le32(E1000_TXD_CMD_EOP |
-		                                          E1000_TXD_CMD_IFCS |
-		                                          E1000_TXD_CMD_RS |
-		                                          E1000_ADVTXD_DTYP_DATA |
-		                                          E1000_ADVTXD_DCMD_DEXT);
-	}
-
 	/* Setup Rx descriptor ring and Rx buffers */
 	rx_ring->count = IGB_DEFAULT_RXD;
 	rx_ring->pdev = adapter->pdev;
@@ -1470,14 +1442,78 @@ static int igb_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
 	return 13;
 }
 
+static int igb_clean_test_rings(struct igb_ring *rx_ring,
+                                struct igb_ring *tx_ring,
+                                unsigned int size)
+{
+	union e1000_adv_rx_desc *rx_desc;
+	struct igb_buffer *buffer_info;
+	int rx_ntc, tx_ntc, count = 0;
+	u32 staterr;
+
+	/* initialize next to clean and descriptor values */
+	rx_ntc = rx_ring->next_to_clean;
+	tx_ntc = tx_ring->next_to_clean;
+	rx_desc = E1000_RX_DESC_ADV(*rx_ring, rx_ntc);
+	staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
+
+	while (staterr & E1000_RXD_STAT_DD) {
+		/* check rx buffer */
+		buffer_info = &rx_ring->buffer_info[rx_ntc];
+
+		/* unmap rx buffer, will be remapped by alloc_rx_buffers */
+		pci_unmap_single(rx_ring->pdev,
+		                 buffer_info->dma,
+				 rx_ring->rx_buffer_len,
+				 PCI_DMA_FROMDEVICE);
+		buffer_info->dma = 0;
+
+		/* verify contents of skb */
+		if (!igb_check_lbtest_frame(buffer_info->skb, size))
+			count++;
+
+		/* unmap buffer on tx side */
+		buffer_info = &tx_ring->buffer_info[tx_ntc];
+		igb_unmap_and_free_tx_resource(tx_ring, buffer_info);
+
+		/* increment rx/tx next to clean counters */
+		rx_ntc++;
+		if (rx_ntc == rx_ring->count)
+			rx_ntc = 0;
+		tx_ntc++;
+		if (tx_ntc == tx_ring->count)
+			tx_ntc = 0;
+
+		/* fetch next descriptor */
+		rx_desc = E1000_RX_DESC_ADV(*rx_ring, rx_ntc);
+		staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
+	}
+
+	/* re-map buffers to ring, store next to clean values */
+	igb_alloc_rx_buffers_adv(rx_ring, count);
+	rx_ring->next_to_clean = rx_ntc;
+	tx_ring->next_to_clean = tx_ntc;
+
+	return count;
+}
+
 static int igb_run_loopback_test(struct igb_adapter *adapter)
 {
 	struct igb_ring *tx_ring = &adapter->test_tx_ring;
 	struct igb_ring *rx_ring = &adapter->test_rx_ring;
-	int i, j, k, l, lc, good_cnt, ret_val = 0;
-	unsigned long time;
+	int i, j, lc, good_cnt, ret_val = 0;
+	unsigned int size = 1024;
+	netdev_tx_t tx_ret_val;
+	struct sk_buff *skb;
+
+	/* allocate test skb */
+	skb = alloc_skb(size, GFP_KERNEL);
+	if (!skb)
+		return 11;
 
-	writel(rx_ring->count - 1, rx_ring->tail);
+	/* place data into test skb */
+	igb_create_lbtest_frame(skb, size);
+	skb_put(skb, size);
 
 	/* Calculate the loop count based on the largest descriptor ring
 	 * The idea is to wrap the largest ring a number of times using 64
@@ -1489,50 +1525,36 @@ static int igb_run_loopback_test(struct igb_adapter *adapter)
 	else
 		lc = ((rx_ring->count / 64) * 2) + 1;
 
-	k = l = 0;
 	for (j = 0; j <= lc; j++) { /* loop count loop */
-		for (i = 0; i < 64; i++) { /* send the packets */
-			igb_create_lbtest_frame(tx_ring->buffer_info[k].skb,
-						1024);
-			pci_dma_sync_single_for_device(tx_ring->pdev,
-				tx_ring->buffer_info[k].dma,
-				tx_ring->buffer_info[k].length,
-				PCI_DMA_TODEVICE);
-			k++;
-			if (k == tx_ring->count)
-				k = 0;
-		}
-		writel(k, tx_ring->tail);
-		msleep(200);
-		time = jiffies; /* set the start time for the receive */
+		/* reset count of good packets */
 		good_cnt = 0;
-		do { /* receive the sent packets */
-			pci_dma_sync_single_for_cpu(rx_ring->pdev,
-					rx_ring->buffer_info[l].dma,
-					IGB_RXBUFFER_2048,
-					PCI_DMA_FROMDEVICE);
-
-			ret_val = igb_check_lbtest_frame(
-					     rx_ring->buffer_info[l].skb, 1024);
-			if (!ret_val)
+
+		/* place 64 packets on the transmit queue*/
+		for (i = 0; i < 64; i++) {
+			skb_get(skb);
+			tx_ret_val = igb_xmit_frame_ring_adv(skb, tx_ring);
+			if (tx_ret_val == NETDEV_TX_OK)
 				good_cnt++;
-			l++;
-			if (l == rx_ring->count)
-				l = 0;
-			/* time + 20 msecs (200 msecs on 2.4) is more than
-			 * enough time to complete the receives, if it's
-			 * exceeded, break and error off
-			 */
-		} while (good_cnt < 64 && jiffies < (time + 20));
+		}
+
 		if (good_cnt != 64) {
-			ret_val = 13; /* ret_val is the same as mis-compare */
+			ret_val = 12;
 			break;
 		}
-		if (jiffies >= (time + 20)) {
-			ret_val = 14; /* error code for time out error */
+
+		/* allow 200 milliseconds for packets to go from tx to rx */
+		msleep(200);
+
+		good_cnt = igb_clean_test_rings(rx_ring, tx_ring, size);
+		if (good_cnt != 64) {
+			ret_val = 13;
 			break;
 		}
 	} /* end loop count loop */
+
+	/* free the original skb */
+	kfree_skb(skb);
+
 	return ret_val;
 }
 
-- 
GitLab


From 4eefa8f0131410eddaca323cd65e1ebefe3b3328 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 15:55:22 +0000
Subject: [PATCH 0631/1815] igb: add single vector msi-x testing to interrupt
 test

This change adds testing of the first msix vector to the interrupt testing.
This should help with determining the cause of interrupt issues when they are
encountered.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb_ethtool.c | 27 +++++++++++++++++----------
 1 file changed, 17 insertions(+), 10 deletions(-)

diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
index aa05f00966e..65c538f8ab1 100644
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -1123,32 +1123,36 @@ static int igb_intr_test(struct igb_adapter *adapter, u64 *data)
 	*data = 0;
 
 	/* Hook up test interrupt handler just for this test */
-	if (adapter->msix_entries)
-		/* NOTE: we don't test MSI-X interrupts here, yet */
-		return 0;
+	if (adapter->msix_entries) {
+		if (request_irq(adapter->msix_entries[0].vector,
+		                &igb_test_intr, 0, netdev->name, adapter)) {
+			*data = 1;
+			return -1;
+		}
 
-	if (adapter->flags & IGB_FLAG_HAS_MSI) {
+	} else if (adapter->flags & IGB_FLAG_HAS_MSI) {
 		shared_int = false;
-		if (request_irq(irq, &igb_test_intr, 0, netdev->name, netdev)) {
+		if (request_irq(irq,
+		                &igb_test_intr, 0, netdev->name, adapter)) {
 			*data = 1;
 			return -1;
 		}
 	} else if (!request_irq(irq, &igb_test_intr, IRQF_PROBE_SHARED,
-				netdev->name, netdev)) {
+				netdev->name, adapter)) {
 		shared_int = false;
 	} else if (request_irq(irq, &igb_test_intr, IRQF_SHARED,
-		 netdev->name, netdev)) {
+		 netdev->name, adapter)) {
 		*data = 1;
 		return -1;
 	}
 	dev_info(&adapter->pdev->dev, "testing %s interrupt\n",
 		(shared_int ? "shared" : "unshared"));
 	/* Disable all the interrupts */
-	wr32(E1000_IMC, 0xFFFFFFFF);
+	wr32(E1000_IMC, ~0);
 	msleep(10);
 
 	/* Define all writable bits for ICS */
-	switch(hw->mac.type) {
+	switch (hw->mac.type) {
 	case e1000_82575:
 		ics_mask = 0x37F47EDD;
 		break;
@@ -1238,7 +1242,10 @@ static int igb_intr_test(struct igb_adapter *adapter, u64 *data)
 	msleep(10);
 
 	/* Unhook test interrupt handler */
-	free_irq(irq, netdev);
+	if (adapter->msix_entries)
+		free_irq(adapter->msix_entries[0].vector, adapter);
+	else
+		free_irq(irq, adapter);
 
 	return *data;
 }
-- 
GitLab


From 83ab50a56e6ea94627fea83ce7b03332bd4c2f02 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 15:55:41 +0000
Subject: [PATCH 0632/1815] igb: cleanup "todo" code found in igb_ethtool.c

This patch moves some defines into the e1000_regs.h file since this is the
correct place for register defines and not inside of igb_ethtool.c

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/e1000_regs.h  |  7 +++++++
 drivers/net/igb/igb_ethtool.c | 11 +----------
 2 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/drivers/net/igb/e1000_regs.h b/drivers/net/igb/e1000_regs.h
index 76c338929f6..e06c3b706b1 100644
--- a/drivers/net/igb/e1000_regs.h
+++ b/drivers/net/igb/e1000_regs.h
@@ -288,10 +288,17 @@ enum {
 #define E1000_MTA      0x05200  /* Multicast Table Array - RW Array */
 #define E1000_RA       0x05400  /* Receive Address - RW Array */
 #define E1000_RA2      0x054E0  /* 2nd half of receive address array - RW Array */
+#define E1000_PSRTYPE(_i)       (0x05480 + ((_i) * 4))
 #define E1000_RAL(_i)  (((_i) <= 15) ? (0x05400 + ((_i) * 8)) : \
                                        (0x054E0 + ((_i - 16) * 8)))
 #define E1000_RAH(_i)  (((_i) <= 15) ? (0x05404 + ((_i) * 8)) : \
                                        (0x054E4 + ((_i - 16) * 8)))
+#define E1000_IP4AT_REG(_i)     (0x05840 + ((_i) * 8))
+#define E1000_IP6AT_REG(_i)     (0x05880 + ((_i) * 4))
+#define E1000_WUPM_REG(_i)      (0x05A00 + ((_i) * 4))
+#define E1000_FFMT_REG(_i)      (0x09000 + ((_i) * 8))
+#define E1000_FFVT_REG(_i)      (0x09800 + ((_i) * 8))
+#define E1000_FFLT_REG(_i)      (0x05F00 + ((_i) * 8))
 #define E1000_VFTA     0x05600  /* VLAN Filter Table Array - RW Array */
 #define E1000_VT_CTL   0x0581C  /* VMDq Control - RW */
 #define E1000_WUC      0x05800  /* Wakeup Control - RW */
diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
index 65c538f8ab1..048a6157896 100644
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -502,19 +502,10 @@ static void igb_get_regs(struct net_device *netdev,
 	regs_buff[119] = adapter->stats.scvpc;
 	regs_buff[120] = adapter->stats.hrmpc;
 
-	/* These should probably be added to e1000_regs.h instead */
-	#define E1000_PSRTYPE_REG(_i) (0x05480 + ((_i) * 4))
-	#define E1000_IP4AT_REG(_i)   (0x05840 + ((_i) * 8))
-	#define E1000_IP6AT_REG(_i)   (0x05880 + ((_i) * 4))
-	#define E1000_WUPM_REG(_i)    (0x05A00 + ((_i) * 4))
-	#define E1000_FFMT_REG(_i)    (0x09000 + ((_i) * 8))
-	#define E1000_FFVT_REG(_i)    (0x09800 + ((_i) * 8))
-	#define E1000_FFLT_REG(_i)    (0x05F00 + ((_i) * 8))
-
 	for (i = 0; i < 4; i++)
 		regs_buff[121 + i] = rd32(E1000_SRRCTL(i));
 	for (i = 0; i < 4; i++)
-		regs_buff[125 + i] = rd32(E1000_PSRTYPE_REG(i));
+		regs_buff[125 + i] = rd32(E1000_PSRTYPE(i));
 	for (i = 0; i < 4; i++)
 		regs_buff[129 + i] = rd32(E1000_RDBAL(i));
 	for (i = 0; i < 4; i++)
-- 
GitLab


From 44a0873d52282f24b1894c58c0f157e0f626ddc9 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 27 Oct 2009 07:03:04 +0000
Subject: [PATCH 0633/1815] net: Introduce unregister_netdevice_queue()

This patchs adds an unreg_list anchor to struct net_device, and
introduces an unregister_netdevice_queue() function, able to queue
a net_device to a list instead of immediately unregister it.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/netdevice.h |  9 ++++++++-
 net/core/dev.c            | 20 +++++++++++++-------
 2 files changed, 21 insertions(+), 8 deletions(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 83800091a31..0ded0a4768a 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -683,6 +683,7 @@ struct net_device
 
 	struct list_head	dev_list;
 	struct list_head	napi_list;
+	struct list_head	unreg_list;
 
 	/* Net device features */
 	unsigned long		features;
@@ -1116,7 +1117,13 @@ extern int		dev_close(struct net_device *dev);
 extern void		dev_disable_lro(struct net_device *dev);
 extern int		dev_queue_xmit(struct sk_buff *skb);
 extern int		register_netdevice(struct net_device *dev);
-extern void		unregister_netdevice(struct net_device *dev);
+extern void		unregister_netdevice_queue(struct net_device *dev,
+						   struct list_head *head);
+static inline void unregister_netdevice(struct net_device *dev)
+{
+	unregister_netdevice_queue(dev, NULL);
+}
+
 extern void		free_netdev(struct net_device *dev);
 extern void		synchronize_net(void);
 extern int 		register_netdevice_notifier(struct notifier_block *nb);
diff --git a/net/core/dev.c b/net/core/dev.c
index 950c13fa60d..ff94e2b8df7 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5245,25 +5245,31 @@ void synchronize_net(void)
 EXPORT_SYMBOL(synchronize_net);
 
 /**
- *	unregister_netdevice - remove device from the kernel
+ *	unregister_netdevice_queue - remove device from the kernel
  *	@dev: device
- *
+ *	@head: list
+
  *	This function shuts down a device interface and removes it
  *	from the kernel tables.
+ *	If head not NULL, device is queued to be unregistered later.
  *
  *	Callers must hold the rtnl semaphore.  You may want
  *	unregister_netdev() instead of this.
  */
 
-void unregister_netdevice(struct net_device *dev)
+void unregister_netdevice_queue(struct net_device *dev, struct list_head *head)
 {
 	ASSERT_RTNL();
 
-	rollback_registered(dev);
-	/* Finish processing unregister after unlock */
-	net_set_todo(dev);
+	if (head) {
+		list_add_tail(&dev->unreg_list, head);
+	} else {
+		rollback_registered(dev);
+		/* Finish processing unregister after unlock */
+		net_set_todo(dev);
+	}
 }
-EXPORT_SYMBOL(unregister_netdevice);
+EXPORT_SYMBOL(unregister_netdevice_queue);
 
 /**
  *	unregister_netdev - remove device from the kernel
-- 
GitLab


From 9b5e383c11b08784eb0087617f880077982ef769 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 27 Oct 2009 07:04:19 +0000
Subject: [PATCH 0634/1815] net: Introduce unregister_netdevice_many()

Introduce rollback_registered_many() and unregister_netdevice_many()

rollback_registered_many() is able to perform necessary steps at device dismantle
time, factorizing two expensive synchronize_net() calls.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/netdevice.h |  1 +
 net/core/dev.c            | 97 ++++++++++++++++++++++++++-------------
 2 files changed, 66 insertions(+), 32 deletions(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 0ded0a4768a..e7c227d7cb9 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1119,6 +1119,7 @@ extern int		dev_queue_xmit(struct sk_buff *skb);
 extern int		register_netdevice(struct net_device *dev);
 extern void		unregister_netdevice_queue(struct net_device *dev,
 						   struct list_head *head);
+extern void		unregister_netdevice_many(struct list_head *head);
 static inline void unregister_netdevice(struct net_device *dev)
 {
 	unregister_netdevice_queue(dev, NULL);
diff --git a/net/core/dev.c b/net/core/dev.c
index ff94e2b8df7..04d3e301402 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4637,59 +4637,76 @@ static void net_set_todo(struct net_device *dev)
 	list_add_tail(&dev->todo_list, &net_todo_list);
 }
 
-static void rollback_registered(struct net_device *dev)
+static void rollback_registered_many(struct list_head *head)
 {
+	struct net_device *dev;
+
 	BUG_ON(dev_boot_phase);
 	ASSERT_RTNL();
 
-	/* Some devices call without registering for initialization unwind. */
-	if (dev->reg_state == NETREG_UNINITIALIZED) {
-		printk(KERN_DEBUG "unregister_netdevice: device %s/%p never "
-				  "was registered\n", dev->name, dev);
+	list_for_each_entry(dev, head, unreg_list) {
+		/* Some devices call without registering
+		 * for initialization unwind.
+		 */
+		if (dev->reg_state == NETREG_UNINITIALIZED) {
+			pr_debug("unregister_netdevice: device %s/%p never "
+				 "was registered\n", dev->name, dev);
 
-		WARN_ON(1);
-		return;
-	}
+			WARN_ON(1);
+			return;
+		}
 
-	BUG_ON(dev->reg_state != NETREG_REGISTERED);
+		BUG_ON(dev->reg_state != NETREG_REGISTERED);
 
-	/* If device is running, close it first. */
-	dev_close(dev);
+		/* If device is running, close it first. */
+		dev_close(dev);
 
-	/* And unlink it from device chain. */
-	unlist_netdevice(dev);
+		/* And unlink it from device chain. */
+		unlist_netdevice(dev);
 
-	dev->reg_state = NETREG_UNREGISTERING;
+		dev->reg_state = NETREG_UNREGISTERING;
+	}
 
 	synchronize_net();
 
-	/* Shutdown queueing discipline. */
-	dev_shutdown(dev);
+	list_for_each_entry(dev, head, unreg_list) {
+		/* Shutdown queueing discipline. */
+		dev_shutdown(dev);
 
 
-	/* Notify protocols, that we are about to destroy
-	   this device. They should clean all the things.
-	*/
-	call_netdevice_notifiers(NETDEV_UNREGISTER, dev);
+		/* Notify protocols, that we are about to destroy
+		   this device. They should clean all the things.
+		*/
+		call_netdevice_notifiers(NETDEV_UNREGISTER, dev);
 
-	/*
-	 *	Flush the unicast and multicast chains
-	 */
-	dev_unicast_flush(dev);
-	dev_addr_discard(dev);
+		/*
+		 *	Flush the unicast and multicast chains
+		 */
+		dev_unicast_flush(dev);
+		dev_addr_discard(dev);
 
-	if (dev->netdev_ops->ndo_uninit)
-		dev->netdev_ops->ndo_uninit(dev);
+		if (dev->netdev_ops->ndo_uninit)
+			dev->netdev_ops->ndo_uninit(dev);
 
-	/* Notifier chain MUST detach us from master device. */
-	WARN_ON(dev->master);
+		/* Notifier chain MUST detach us from master device. */
+		WARN_ON(dev->master);
 
-	/* Remove entries from kobject tree */
-	netdev_unregister_kobject(dev);
+		/* Remove entries from kobject tree */
+		netdev_unregister_kobject(dev);
+	}
 
 	synchronize_net();
 
-	dev_put(dev);
+	list_for_each_entry(dev, head, unreg_list)
+		dev_put(dev);
+}
+
+static void rollback_registered(struct net_device *dev)
+{
+	LIST_HEAD(single);
+
+	list_add(&dev->unreg_list, &single);
+	rollback_registered_many(&single);
 }
 
 static void __netdev_init_queue_locks_one(struct net_device *dev,
@@ -5271,6 +5288,22 @@ void unregister_netdevice_queue(struct net_device *dev, struct list_head *head)
 }
 EXPORT_SYMBOL(unregister_netdevice_queue);
 
+/**
+ *	unregister_netdevice_many - unregister many devices
+ *	@head: list of devices
+ *
+ */
+void unregister_netdevice_many(struct list_head *head)
+{
+	struct net_device *dev;
+
+	if (!list_empty(head)) {
+		rollback_registered_many(head);
+		list_for_each_entry(dev, head, unreg_list)
+			net_set_todo(dev);
+	}
+}
+
 /**
  *	unregister_netdev - remove device from the kernel
  *	@dev: device
-- 
GitLab


From 23289a37e2b127dfc4de1313fba15bb4c9f0cd5b Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 27 Oct 2009 07:06:36 +0000
Subject: [PATCH 0635/1815] net: add a list_head parameter to dellink() method

Adding a list_head parameter to rtnl_link_ops->dellink() methods
allow us to queue devices on a list, in order to dismantle
them all at once.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/macvlan.c   |  6 +++---
 drivers/net/veth.c      |  2 +-
 include/net/rtnetlink.h |  3 ++-
 net/8021q/vlan.c        |  8 ++++----
 net/8021q/vlan.h        |  2 +-
 net/core/dev.c          |  2 +-
 net/core/rtnetlink.c    | 14 +++++++-------
 7 files changed, 19 insertions(+), 18 deletions(-)

diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 3aabfd9dd21..20b7707f38e 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -555,13 +555,13 @@ static int macvlan_newlink(struct net_device *dev,
 	return 0;
 }
 
-static void macvlan_dellink(struct net_device *dev)
+static void macvlan_dellink(struct net_device *dev, struct list_head *head)
 {
 	struct macvlan_dev *vlan = netdev_priv(dev);
 	struct macvlan_port *port = vlan->port;
 
 	list_del(&vlan->list);
-	unregister_netdevice(dev);
+	unregister_netdevice_queue(dev, head);
 
 	if (list_empty(&port->vlans))
 		macvlan_port_destroy(port->dev);
@@ -601,7 +601,7 @@ static int macvlan_device_event(struct notifier_block *unused,
 		break;
 	case NETDEV_UNREGISTER:
 		list_for_each_entry_safe(vlan, next, &port->vlans, list)
-			macvlan_dellink(vlan->dev);
+			macvlan_dellink(vlan->dev, NULL);
 		break;
 	}
 	return NOTIFY_DONE;
diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index ade5b344f75..ffb502daa91 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -442,7 +442,7 @@ err_register_peer:
 	return err;
 }
 
-static void veth_dellink(struct net_device *dev)
+static void veth_dellink(struct net_device *dev, struct list_head *head)
 {
 	struct veth_priv *priv;
 	struct net_device *peer;
diff --git a/include/net/rtnetlink.h b/include/net/rtnetlink.h
index c3aa044d3fc..cd5af1f508f 100644
--- a/include/net/rtnetlink.h
+++ b/include/net/rtnetlink.h
@@ -61,7 +61,8 @@ struct rtnl_link_ops {
 	int			(*changelink)(struct net_device *dev,
 					      struct nlattr *tb[],
 					      struct nlattr *data[]);
-	void			(*dellink)(struct net_device *dev);
+	void			(*dellink)(struct net_device *dev,
+					   struct list_head *head);
 
 	size_t			(*get_size)(const struct net_device *dev);
 	int			(*fill_info)(struct sk_buff *skb,
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 8836575f9d7..6b5c9dddaa7 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -140,7 +140,7 @@ static void vlan_rcu_free(struct rcu_head *rcu)
 	vlan_group_free(container_of(rcu, struct vlan_group, rcu));
 }
 
-void unregister_vlan_dev(struct net_device *dev)
+void unregister_vlan_dev(struct net_device *dev, struct list_head *head)
 {
 	struct vlan_dev_info *vlan = vlan_dev_info(dev);
 	struct net_device *real_dev = vlan->real_dev;
@@ -164,7 +164,7 @@ void unregister_vlan_dev(struct net_device *dev)
 
 	synchronize_net();
 
-	unregister_netdevice(dev);
+	unregister_netdevice_queue(dev, head);
 
 	/* If the group is now empty, kill off the group. */
 	if (grp->nr_vlans == 0) {
@@ -535,7 +535,7 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
 			if (grp->nr_vlans == 1)
 				i = VLAN_GROUP_ARRAY_LEN;
 
-			unregister_vlan_dev(vlandev);
+			unregister_vlan_dev(vlandev, NULL);
 		}
 		break;
 	}
@@ -642,7 +642,7 @@ static int vlan_ioctl_handler(struct net *net, void __user *arg)
 		err = -EPERM;
 		if (!capable(CAP_NET_ADMIN))
 			break;
-		unregister_vlan_dev(dev);
+		unregister_vlan_dev(dev, NULL);
 		err = 0;
 		break;
 
diff --git a/net/8021q/vlan.h b/net/8021q/vlan.h
index 4ade5edf103..68f9290e683 100644
--- a/net/8021q/vlan.h
+++ b/net/8021q/vlan.h
@@ -82,7 +82,7 @@ void vlan_dev_get_realdev_name(const struct net_device *dev, char *result);
 int vlan_check_real_dev(struct net_device *real_dev, u16 vlan_id);
 void vlan_setup(struct net_device *dev);
 int register_vlan_dev(struct net_device *dev);
-void unregister_vlan_dev(struct net_device *dev);
+void unregister_vlan_dev(struct net_device *dev, struct list_head *head);
 
 static inline u32 vlan_get_ingress_priority(struct net_device *dev,
 					    u16 vlan_tci)
diff --git a/net/core/dev.c b/net/core/dev.c
index 04d3e301402..4513dfd5718 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5629,7 +5629,7 @@ restart:
 
 		/* Delete virtual devices */
 		if (dev->rtnl_link_ops && dev->rtnl_link_ops->dellink) {
-			dev->rtnl_link_ops->dellink(dev);
+			dev->rtnl_link_ops->dellink(dev, NULL);
 			goto restart;
 		}
 
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 52ea418d530..391a62cd9df 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -248,7 +248,7 @@ static LIST_HEAD(link_ops);
 int __rtnl_link_register(struct rtnl_link_ops *ops)
 {
 	if (!ops->dellink)
-		ops->dellink = unregister_netdevice;
+		ops->dellink = unregister_netdevice_queue;
 
 	list_add_tail(&ops->list, &link_ops);
 	return 0;
@@ -277,13 +277,13 @@ EXPORT_SYMBOL_GPL(rtnl_link_register);
 static void __rtnl_kill_links(struct net *net, struct rtnl_link_ops *ops)
 {
 	struct net_device *dev;
-restart:
+	LIST_HEAD(list_kill);
+
 	for_each_netdev(net, dev) {
-		if (dev->rtnl_link_ops == ops) {
-			ops->dellink(dev);
-			goto restart;
-		}
+		if (dev->rtnl_link_ops == ops)
+			ops->dellink(dev, &list_kill);
 	}
+	unregister_netdevice_many(&list_kill);
 }
 
 void rtnl_kill_links(struct net *net, struct rtnl_link_ops *ops)
@@ -972,7 +972,7 @@ static int rtnl_dellink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
 	if (!ops)
 		return -EOPNOTSUPP;
 
-	ops->dellink(dev);
+	ops->dellink(dev, NULL);
 	return 0;
 }
 
-- 
GitLab


From 63c8099d90096db56ee1c66c31f05d4fcfbc1c69 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 27 Oct 2009 07:06:49 +0000
Subject: [PATCH 0636/1815] vlan: Optimize multiple unregistration

Use unregister_netdevice_many() to speedup master device unregister.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/if_vlan.h |  1 +
 net/8021q/vlan.c        | 49 +++++++++++++++++++++++++++--------------
 net/core/dev.c          |  1 +
 3 files changed, 35 insertions(+), 16 deletions(-)

diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index 8898cbebcf3..71a4870c09a 100644
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -85,6 +85,7 @@ struct vlan_group {
 					    * the vlan is attached to.
 					    */
 	unsigned int		nr_vlans;
+	int			killall;
 	struct hlist_node	hlist;	/* linked list */
 	struct net_device **vlan_devices_arrays[VLAN_GROUP_ARRAY_SPLIT_PARTS];
 	struct rcu_head		rcu;
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 6b5c9dddaa7..511afe72af3 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -159,11 +159,12 @@ void unregister_vlan_dev(struct net_device *dev, struct list_head *head)
 	if (real_dev->features & NETIF_F_HW_VLAN_FILTER)
 		ops->ndo_vlan_rx_kill_vid(real_dev, vlan_id);
 
-	vlan_group_set_device(grp, vlan_id, NULL);
 	grp->nr_vlans--;
 
-	synchronize_net();
-
+	if (!grp->killall) {
+		vlan_group_set_device(grp, vlan_id, NULL);
+		synchronize_net();
+	}
 	unregister_netdevice_queue(dev, head);
 
 	/* If the group is now empty, kill off the group. */
@@ -183,6 +184,34 @@ void unregister_vlan_dev(struct net_device *dev, struct list_head *head)
 	dev_put(real_dev);
 }
 
+void unregister_vlan_dev_alls(struct vlan_group *grp)
+{
+	LIST_HEAD(list);
+	int i;
+	struct net_device *vlandev;
+	struct vlan_group save;
+
+	memcpy(&save, grp, sizeof(save));
+	memset(&grp->vlan_devices_arrays, 0, sizeof(grp->vlan_devices_arrays));
+	grp->killall = 1;
+
+	synchronize_net();
+
+	/* Delete all VLANs for this dev. */
+	for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
+		vlandev = vlan_group_get_device(&save, i);
+		if (!vlandev)
+			continue;
+
+		unregister_vlan_dev(vlandev, &list);
+		if (grp->nr_vlans == 0)
+			break;
+	}
+	unregister_netdevice_many(&list);
+	for (i = 0; i < VLAN_GROUP_ARRAY_SPLIT_PARTS; i++)
+		kfree(save.vlan_devices_arrays[i]);
+}
+
 static void vlan_transfer_operstate(const struct net_device *dev,
 				    struct net_device *vlandev)
 {
@@ -524,19 +553,7 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
 		break;
 
 	case NETDEV_UNREGISTER:
-		/* Delete all VLANs for this dev. */
-		for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
-			vlandev = vlan_group_get_device(grp, i);
-			if (!vlandev)
-				continue;
-
-			/* unregistration of last vlan destroys group, abort
-			 * afterwards */
-			if (grp->nr_vlans == 1)
-				i = VLAN_GROUP_ARRAY_LEN;
-
-			unregister_vlan_dev(vlandev, NULL);
-		}
+		unregister_vlan_dev_alls(grp);
 		break;
 	}
 
diff --git a/net/core/dev.c b/net/core/dev.c
index 4513dfd5718..09551cc143a 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5303,6 +5303,7 @@ void unregister_netdevice_many(struct list_head *head)
 			net_set_todo(dev);
 	}
 }
+EXPORT_SYMBOL(unregister_netdevice_many);
 
 /**
  *	unregister_netdev - remove device from the kernel
-- 
GitLab


From 0694c4c016df34c718b9f9ef6ba5aca2e178163a Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 27 Oct 2009 07:06:59 +0000
Subject: [PATCH 0637/1815] ipip: Optimize multiple unregistration

Speedup module unloading by factorizing synchronize_rcu() calls

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/ipip.c | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 3bd69988bcc..a2ca53da437 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -754,16 +754,19 @@ static struct xfrm_tunnel ipip_handler = {
 static const char banner[] __initconst =
 	KERN_INFO "IPv4 over IPv4 tunneling driver\n";
 
-static void ipip_destroy_tunnels(struct ipip_net *ipn)
+static void ipip_destroy_tunnels(struct ipip_net *ipn, struct list_head *head)
 {
 	int prio;
 
 	for (prio = 1; prio < 4; prio++) {
 		int h;
 		for (h = 0; h < HASH_SIZE; h++) {
-			struct ip_tunnel *t;
-			while ((t = ipn->tunnels[prio][h]) != NULL)
-				unregister_netdevice(t->dev);
+			struct ip_tunnel *t = ipn->tunnels[prio][h];
+
+			while (t != NULL) {
+				unregister_netdevice_queue(t->dev, head);
+				t = t->next;
+			}
 		}
 	}
 }
@@ -816,11 +819,13 @@ err_alloc:
 static void ipip_exit_net(struct net *net)
 {
 	struct ipip_net *ipn;
+	LIST_HEAD(list);
 
 	ipn = net_generic(net, ipip_net_id);
 	rtnl_lock();
-	ipip_destroy_tunnels(ipn);
-	unregister_netdevice(ipn->fb_tunnel_dev);
+	ipip_destroy_tunnels(ipn, &list);
+	unregister_netdevice_queue(ipn->fb_tunnel_dev, &list);
+	unregister_netdevice_many(&list);
 	rtnl_unlock();
 	kfree(ipn);
 }
-- 
GitLab


From eef6dd65e331d6e91a39b90344c705bbcbe0825e Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 27 Oct 2009 07:07:16 +0000
Subject: [PATCH 0638/1815] gre: Optimize multiple unregistration

Speedup module unloading by factorizing synchronize_rcu() calls

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/ip_gre.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 40f04391523..a77807d449e 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -1290,16 +1290,19 @@ static const struct net_protocol ipgre_protocol = {
 	.netns_ok	=	1,
 };
 
-static void ipgre_destroy_tunnels(struct ipgre_net *ign)
+static void ipgre_destroy_tunnels(struct ipgre_net *ign, struct list_head *head)
 {
 	int prio;
 
 	for (prio = 0; prio < 4; prio++) {
 		int h;
 		for (h = 0; h < HASH_SIZE; h++) {
-			struct ip_tunnel *t;
-			while ((t = ign->tunnels[prio][h]) != NULL)
-				unregister_netdevice(t->dev);
+			struct ip_tunnel *t = ign->tunnels[prio][h];
+
+			while (t != NULL) {
+				unregister_netdevice_queue(t->dev, head);
+				t = t->next;
+			}
 		}
 	}
 }
@@ -1347,10 +1350,12 @@ err_alloc:
 static void ipgre_exit_net(struct net *net)
 {
 	struct ipgre_net *ign;
+	LIST_HEAD(list);
 
 	ign = net_generic(net, ipgre_net_id);
 	rtnl_lock();
-	ipgre_destroy_tunnels(ign);
+	ipgre_destroy_tunnels(ign, &list);
+	unregister_netdevice_many(&list);
 	rtnl_unlock();
 	kfree(ign);
 }
-- 
GitLab


From 0531d7b85177cda05f574ddf0aa4b25050159101 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Mon, 26 Oct 2009 12:09:45 +0000
Subject: [PATCH 0639/1815] netxen: fix builds for SYSFS=n or MODULES=n

When CONFIG_MODULES=n:
drivers/net/netxen/netxen_nic_main.c:2751: error: dereferencing pointer to incomplete type
drivers/net/netxen/netxen_nic_main.c:2764: error: dereferencing pointer to incomplete type

Also needs addition of <linux/sysfs.h> for sysfs function prototypes or
stubs when CONFIG_SYSFS=n.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/netxen/netxen_nic_main.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index c2bdfd3c7aa..fe4059ff82f 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -34,6 +34,7 @@
 #include <net/ip.h>
 #include <linux/ipv6.h>
 #include <linux/inetdevice.h>
+#include <linux/sysfs.h>
 
 MODULE_DESCRIPTION("NetXen Multi port (1/10) Gigabit Network Driver");
 MODULE_LICENSE("GPL");
@@ -2500,6 +2501,7 @@ static struct bin_attribute bin_attr_mem = {
 	.write = netxen_sysfs_write_mem,
 };
 
+#ifdef CONFIG_MODULES
 static ssize_t
 netxen_store_auto_fw_reset(struct module_attribute *mattr,
 		struct module *mod, const char *buf, size_t count)
@@ -2534,6 +2536,7 @@ static struct module_attribute mod_attr_fw_reset = {
 	.show = netxen_show_auto_fw_reset,
 	.store = netxen_store_auto_fw_reset,
 };
+#endif
 
 static void
 netxen_create_sysfs_entries(struct netxen_adapter *adapter)
@@ -2739,7 +2742,9 @@ static struct pci_driver netxen_driver = {
 
 static int __init netxen_init_module(void)
 {
+#ifdef CONFIG_MODULES
 	struct module *mod = THIS_MODULE;
+#endif
 
 	printk(KERN_INFO "%s\n", netxen_nic_driver_string);
 
@@ -2748,9 +2753,11 @@ static int __init netxen_init_module(void)
 	register_inetaddr_notifier(&netxen_inetaddr_cb);
 #endif
 
+#ifdef CONFIG_MODULES
 	if (sysfs_create_file(&mod->mkobj.kobj, &mod_attr_fw_reset.attr))
 		printk(KERN_ERR "%s: Failed to create auto_fw_reset "
 				"sysfs entry.", netxen_nic_driver_name);
+#endif
 
 	return pci_register_driver(&netxen_driver);
 }
@@ -2759,9 +2766,11 @@ module_init(netxen_init_module);
 
 static void __exit netxen_exit_module(void)
 {
+#ifdef CONFIG_MODULES
 	struct module *mod = THIS_MODULE;
 
 	sysfs_remove_file(&mod->mkobj.kobj, &mod_attr_fw_reset.attr);
+#endif
 
 	pci_unregister_driver(&netxen_driver);
 
-- 
GitLab


From 5beefb4f7793e5bb4d3527ee6559f8281d7d2b76 Mon Sep 17 00:00:00 2001
From: Sreenivasa Honnur <sreenivasa.honnur@neterion.com>
Date: Wed, 28 Oct 2009 02:46:54 -0700
Subject: [PATCH 0640/1815] vxge: Configure the number of transmit descriptors
 per packet to MAX_SKB_FRAGS + 1.

- Configure the number of transmit descriptors per packet to MAX_SKB_FRAGS + 1.

Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com>
Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/vxge/vxge-main.c    | 5 +++--
 drivers/net/vxge/vxge-version.h | 2 +-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/vxge/vxge-main.c b/drivers/net/vxge/vxge-main.c
index 63d0f891ffa..e21358e82c7 100644
--- a/drivers/net/vxge/vxge-main.c
+++ b/drivers/net/vxge/vxge-main.c
@@ -3612,11 +3612,12 @@ static int __devinit vxge_config_vpaths(
 		device_config->vp_config[i].fifo.enable =
 						VXGE_HW_FIFO_ENABLE;
 		device_config->vp_config[i].fifo.max_frags =
-				MAX_SKB_FRAGS;
+				MAX_SKB_FRAGS + 1;
 		device_config->vp_config[i].fifo.memblock_size =
 			VXGE_HW_MIN_FIFO_MEMBLOCK_SIZE;
 
-		txdl_size = MAX_SKB_FRAGS * sizeof(struct vxge_hw_fifo_txd);
+		txdl_size = device_config->vp_config[i].fifo.max_frags *
+				sizeof(struct vxge_hw_fifo_txd);
 		txdl_per_memblock = VXGE_HW_MIN_FIFO_MEMBLOCK_SIZE / txdl_size;
 
 		device_config->vp_config[i].fifo.fifo_blocks =
diff --git a/drivers/net/vxge/vxge-version.h b/drivers/net/vxge/vxge-version.h
index fa66248aae6..77c2a754b7b 100644
--- a/drivers/net/vxge/vxge-version.h
+++ b/drivers/net/vxge/vxge-version.h
@@ -18,6 +18,6 @@
 #define VXGE_VERSION_MAJOR	"2"
 #define VXGE_VERSION_MINOR	"0"
 #define VXGE_VERSION_FIX	"6"
-#define VXGE_VERSION_BUILD	"18707"
+#define VXGE_VERSION_BUILD	"18937"
 #define VXGE_VERSION_FOR	"k"
 #endif
-- 
GitLab


From 9c1bbbaf3eef357b15c0e94085d96f18c6f1bde6 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Wed, 28 Oct 2009 02:50:44 -0700
Subject: [PATCH 0641/1815] sfc: Really allow RX checksum offload to be
 disabled

We have never checked the efx_nic::rx_checksum_enabled flag everywhere
we should, and since the switch to GRO we don't check it anywhere.
It's simplest to check it in the one place where we initialise the
per-packet checksummed flag.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/falcon.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 8776432f683..865638b035b 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -869,8 +869,9 @@ static void falcon_handle_rx_event(struct efx_channel *channel,
 		 * UDP/IPv4, then we can rely on the hardware checksum.
 		 */
 		checksummed =
-			rx_ev_hdr_type == FSE_AB_RX_EV_HDR_TYPE_IPV4_TCP ||
-			rx_ev_hdr_type == FSE_AB_RX_EV_HDR_TYPE_IPV4_UDP;
+			efx->rx_checksum_enabled &&
+			(rx_ev_hdr_type == FSE_AB_RX_EV_HDR_TYPE_IPV4_TCP ||
+			 rx_ev_hdr_type == FSE_AB_RX_EV_HDR_TYPE_IPV4_UDP);
 	} else {
 		falcon_handle_rx_not_ok(rx_queue, event, &rx_ev_pkt_ok,
 					&discard);
-- 
GitLab


From 4fc82adfb01bdee79ec21e44557dc409ef31419a Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 23:45:42 +0000
Subject: [PATCH 0642/1815] igb: add support for seperate tx-usecs setting in
 ethtool

This patch adds support for a seperate tx-usecs interrupt moderation setting
in ethtool which is supported when tx and rx interrupt vectors are sperated.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb.h         |  5 ++--
 drivers/net/igb/igb_ethtool.c | 49 ++++++++++++++++++++++++++---------
 drivers/net/igb/igb_main.c    | 22 ++++++++++------
 3 files changed, 54 insertions(+), 22 deletions(-)

diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index 6c35c9029a5..bef8cdc1c22 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -249,8 +249,8 @@ struct igb_adapter {
 	unsigned int total_rx_bytes;
 	unsigned int total_rx_packets;
 	/* Interrupt Throttle Rate */
-	u32 itr;
-	u32 itr_setting;
+	u32 rx_itr_setting;
+	u32 tx_itr_setting;
 	u16 tx_itr;
 	u16 rx_itr;
 
@@ -321,6 +321,7 @@ struct igb_adapter {
 #define IGB_FLAG_HAS_MSI           (1 << 0)
 #define IGB_FLAG_DCA_ENABLED       (1 << 1)
 #define IGB_FLAG_QUAD_PORT_A       (1 << 2)
+#define IGB_FLAG_QUEUE_PAIRS       (1 << 3)
 
 enum e1000_state_t {
 	__IGB_TESTING,
diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
index 048a6157896..84fe25ad1b7 100644
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -1827,18 +1827,37 @@ static int igb_set_coalesce(struct net_device *netdev,
 	    (ec->rx_coalesce_usecs == 2))
 		return -EINVAL;
 
+	if ((ec->tx_coalesce_usecs > IGB_MAX_ITR_USECS) ||
+	    ((ec->tx_coalesce_usecs > 3) &&
+	     (ec->tx_coalesce_usecs < IGB_MIN_ITR_USECS)) ||
+	    (ec->tx_coalesce_usecs == 2))
+		return -EINVAL;
+
+	if ((adapter->flags & IGB_FLAG_QUEUE_PAIRS) && ec->tx_coalesce_usecs)
+		return -EINVAL;
+
 	/* convert to rate of irq's per second */
-	if (ec->rx_coalesce_usecs && ec->rx_coalesce_usecs <= 3) {
-		adapter->itr_setting = ec->rx_coalesce_usecs;
-		adapter->itr = IGB_START_ITR;
-	} else {
-		adapter->itr_setting = ec->rx_coalesce_usecs << 2;
-		adapter->itr = adapter->itr_setting;
-	}
+	if (ec->rx_coalesce_usecs && ec->rx_coalesce_usecs <= 3)
+		adapter->rx_itr_setting = ec->rx_coalesce_usecs;
+	else
+		adapter->rx_itr_setting = ec->rx_coalesce_usecs << 2;
+
+	/* convert to rate of irq's per second */
+	if (adapter->flags & IGB_FLAG_QUEUE_PAIRS)
+		adapter->tx_itr_setting = adapter->rx_itr_setting;
+	else if (ec->tx_coalesce_usecs && ec->tx_coalesce_usecs <= 3)
+		adapter->tx_itr_setting = ec->tx_coalesce_usecs;
+	else
+		adapter->tx_itr_setting = ec->tx_coalesce_usecs << 2;
 
 	for (i = 0; i < adapter->num_q_vectors; i++) {
 		struct igb_q_vector *q_vector = adapter->q_vector[i];
-		q_vector->itr_val = adapter->itr;
+		if (q_vector->rx_ring)
+			q_vector->itr_val = adapter->rx_itr_setting;
+		else
+			q_vector->itr_val = adapter->tx_itr_setting;
+		if (q_vector->itr_val && q_vector->itr_val <= 3)
+			q_vector->itr_val = IGB_START_ITR;
 		q_vector->set_itr = 1;
 	}
 
@@ -1850,15 +1869,21 @@ static int igb_get_coalesce(struct net_device *netdev,
 {
 	struct igb_adapter *adapter = netdev_priv(netdev);
 
-	if (adapter->itr_setting <= 3)
-		ec->rx_coalesce_usecs = adapter->itr_setting;
+	if (adapter->rx_itr_setting <= 3)
+		ec->rx_coalesce_usecs = adapter->rx_itr_setting;
 	else
-		ec->rx_coalesce_usecs = adapter->itr_setting >> 2;
+		ec->rx_coalesce_usecs = adapter->rx_itr_setting >> 2;
+
+	if (!(adapter->flags & IGB_FLAG_QUEUE_PAIRS)) {
+		if (adapter->tx_itr_setting <= 3)
+			ec->tx_coalesce_usecs = adapter->tx_itr_setting;
+		else
+			ec->tx_coalesce_usecs = adapter->tx_itr_setting >> 2;
+	}
 
 	return 0;
 }
 
-
 static int igb_nway_reset(struct net_device *netdev)
 {
 	struct igb_adapter *adapter = netdev_priv(netdev);
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index c9fda113abe..5724ac8c1ca 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -734,6 +734,8 @@ msi_only:
 		dev_info(&adapter->pdev->dev, "IOV Disabled\n");
 	}
 #endif
+	adapter->vfs_allocated_count = 0;
+	adapter->flags |= IGB_FLAG_QUEUE_PAIRS;
 	adapter->num_rx_queues = 1;
 	adapter->num_tx_queues = 1;
 	adapter->num_q_vectors = 1;
@@ -791,7 +793,9 @@ static void igb_map_rx_ring_to_vector(struct igb_adapter *adapter,
 	q_vector = adapter->q_vector[v_idx];
 	q_vector->rx_ring = &adapter->rx_ring[ring_idx];
 	q_vector->rx_ring->q_vector = q_vector;
-	q_vector->itr_val = adapter->itr;
+	q_vector->itr_val = adapter->rx_itr_setting;
+	if (q_vector->itr_val && q_vector->itr_val <= 3)
+		q_vector->itr_val = IGB_START_ITR;
 }
 
 static void igb_map_tx_ring_to_vector(struct igb_adapter *adapter,
@@ -802,7 +806,9 @@ static void igb_map_tx_ring_to_vector(struct igb_adapter *adapter,
 	q_vector = adapter->q_vector[v_idx];
 	q_vector->tx_ring = &adapter->tx_ring[ring_idx];
 	q_vector->tx_ring->q_vector = q_vector;
-	q_vector->itr_val = adapter->itr;
+	q_vector->itr_val = adapter->tx_itr_setting;
+	if (q_vector->itr_val && q_vector->itr_val <= 3)
+		q_vector->itr_val = IGB_START_ITR;
 }
 
 /**
@@ -1597,9 +1603,6 @@ static int __devinit igb_probe(struct pci_dev *pdev,
 	hw->fc.requested_mode = e1000_fc_default;
 	hw->fc.current_mode = e1000_fc_default;
 
-	adapter->itr_setting = IGB_DEFAULT_ITR;
-	adapter->itr = IGB_START_ITR;
-
 	igb_validate_mdi_setting(hw);
 
 	/* Initial Wake on LAN setting If APM wake is enabled in the EEPROM,
@@ -1854,6 +1857,9 @@ static int __devinit igb_sw_init(struct igb_adapter *adapter)
 
 	adapter->tx_ring_count = IGB_DEFAULT_TXD;
 	adapter->rx_ring_count = IGB_DEFAULT_RXD;
+	adapter->rx_itr_setting = IGB_DEFAULT_ITR;
+	adapter->tx_itr_setting = IGB_DEFAULT_ITR;
+
 	adapter->max_frame_size = netdev->mtu + ETH_HLEN + ETH_FCS_LEN;
 	adapter->min_frame_size = ETH_ZLEN + ETH_FCS_LEN;
 
@@ -3052,7 +3058,6 @@ enum latency_range {
 	latency_invalid = 255
 };
 
-
 /**
  * igb_update_ring_itr - update the dynamic ITR value based on packet size
  *
@@ -3216,7 +3221,7 @@ static void igb_set_itr(struct igb_adapter *adapter)
 	current_itr = max(adapter->rx_itr, adapter->tx_itr);
 
 	/* conservative mode (itr 3) eliminates the lowest_latency setting */
-	if (adapter->itr_setting == 3 && current_itr == lowest_latency)
+	if (adapter->rx_itr_setting == 3 && current_itr == lowest_latency)
 		current_itr = low_latency;
 
 	switch (current_itr) {
@@ -4577,7 +4582,8 @@ static inline void igb_ring_irq_enable(struct igb_q_vector *q_vector)
 	struct igb_adapter *adapter = q_vector->adapter;
 	struct e1000_hw *hw = &adapter->hw;
 
-	if (adapter->itr_setting & 3) {
+	if ((q_vector->rx_ring && (adapter->rx_itr_setting & 3)) ||
+	    (!q_vector->rx_ring && (adapter->tx_itr_setting & 3))) {
 		if (!adapter->msix_entries)
 			igb_set_itr(adapter);
 		else
-- 
GitLab


From c5b9bd5e4f7caea10d113f610b85cc2093cc3179 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 23:46:01 +0000
Subject: [PATCH 0643/1815] igb: cleanup some of the code related to hw
 timestamping

The code for the hw timestamping is a bit bulky and making some of the
functions difficult to read.  In order to clean things up a bit I am moving
the timestamping operations into seperate functions.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/e1000_82575.h   |  14 ++
 drivers/net/igb/e1000_defines.h |  33 +++
 drivers/net/igb/e1000_regs.h    |  65 +-----
 drivers/net/igb/igb.h           |   1 +
 drivers/net/igb/igb_main.c      | 397 +++++++++++++++-----------------
 5 files changed, 242 insertions(+), 268 deletions(-)

diff --git a/drivers/net/igb/e1000_82575.h b/drivers/net/igb/e1000_82575.h
index 9418683ed00..cbe475747d1 100644
--- a/drivers/net/igb/e1000_82575.h
+++ b/drivers/net/igb/e1000_82575.h
@@ -66,6 +66,8 @@ extern void igb_rx_fifo_flush_82575(struct e1000_hw *hw);
     E1000_EICR_RX_QUEUE3)
 
 /* Immediate Interrupt Rx (A.K.A. Low Latency Interrupt) */
+#define E1000_IMIREXT_SIZE_BP     0x00001000  /* Packet size bypass */
+#define E1000_IMIREXT_CTRL_BP     0x00080000  /* Bypass check of ctrl bits */
 
 /* Receive Descriptor - Advanced */
 union e1000_adv_rx_desc {
@@ -98,6 +100,7 @@ union e1000_adv_rx_desc {
 
 #define E1000_RXDADV_HDRBUFLEN_MASK      0x7FE0
 #define E1000_RXDADV_HDRBUFLEN_SHIFT     5
+#define E1000_RXDADV_STAT_TS             0x10000 /* Pkt was time stamped */
 
 /* Transmit Descriptor - Advanced */
 union e1000_adv_tx_desc {
@@ -167,6 +170,17 @@ struct e1000_adv_tx_context_desc {
 #define E1000_DCA_TXCTRL_CPUID_SHIFT 24 /* Tx CPUID now in the last byte */
 #define E1000_DCA_RXCTRL_CPUID_SHIFT 24 /* Rx CPUID now in the last byte */
 
+/* ETQF register bit definitions */
+#define E1000_ETQF_FILTER_ENABLE   (1 << 26)
+#define E1000_ETQF_1588            (1 << 30)
+
+/* FTQF register bit definitions */
+#define E1000_FTQF_VF_BP               0x00008000
+#define E1000_FTQF_1588_TIME_STAMP     0x08000000
+#define E1000_FTQF_MASK                0xF0000000
+#define E1000_FTQF_MASK_PROTO_BP       0x10000000
+#define E1000_FTQF_MASK_SOURCE_PORT_BP 0x80000000
+
 #define E1000_NVM_APME_82575          0x0400
 #define MAX_NUM_VFS                   8
 
diff --git a/drivers/net/igb/e1000_defines.h b/drivers/net/igb/e1000_defines.h
index cb916833f30..48fcab03b75 100644
--- a/drivers/net/igb/e1000_defines.h
+++ b/drivers/net/igb/e1000_defines.h
@@ -435,6 +435,39 @@
 /* Flow Control */
 #define E1000_FCRTL_XONE 0x80000000     /* Enable XON frame transmission */
 
+#define E1000_TSYNCTXCTL_VALID    0x00000001 /* tx timestamp valid */
+#define E1000_TSYNCTXCTL_ENABLED  0x00000010 /* enable tx timestampping */
+
+#define E1000_TSYNCRXCTL_VALID      0x00000001 /* rx timestamp valid */
+#define E1000_TSYNCRXCTL_TYPE_MASK  0x0000000E /* rx type mask */
+#define E1000_TSYNCRXCTL_TYPE_L2_V2       0x00
+#define E1000_TSYNCRXCTL_TYPE_L4_V1       0x02
+#define E1000_TSYNCRXCTL_TYPE_L2_L4_V2    0x04
+#define E1000_TSYNCRXCTL_TYPE_ALL         0x08
+#define E1000_TSYNCRXCTL_TYPE_EVENT_V2    0x0A
+#define E1000_TSYNCRXCTL_ENABLED    0x00000010 /* enable rx timestampping */
+
+#define E1000_TSYNCRXCFG_PTP_V1_CTRLT_MASK   0x000000FF
+#define E1000_TSYNCRXCFG_PTP_V1_SYNC_MESSAGE       0x00
+#define E1000_TSYNCRXCFG_PTP_V1_DELAY_REQ_MESSAGE  0x01
+#define E1000_TSYNCRXCFG_PTP_V1_FOLLOWUP_MESSAGE   0x02
+#define E1000_TSYNCRXCFG_PTP_V1_DELAY_RESP_MESSAGE 0x03
+#define E1000_TSYNCRXCFG_PTP_V1_MANAGEMENT_MESSAGE 0x04
+
+#define E1000_TSYNCRXCFG_PTP_V2_MSGID_MASK               0x00000F00
+#define E1000_TSYNCRXCFG_PTP_V2_SYNC_MESSAGE                 0x0000
+#define E1000_TSYNCRXCFG_PTP_V2_DELAY_REQ_MESSAGE            0x0100
+#define E1000_TSYNCRXCFG_PTP_V2_PATH_DELAY_REQ_MESSAGE       0x0200
+#define E1000_TSYNCRXCFG_PTP_V2_PATH_DELAY_RESP_MESSAGE      0x0300
+#define E1000_TSYNCRXCFG_PTP_V2_FOLLOWUP_MESSAGE             0x0800
+#define E1000_TSYNCRXCFG_PTP_V2_DELAY_RESP_MESSAGE           0x0900
+#define E1000_TSYNCRXCFG_PTP_V2_PATH_DELAY_FOLLOWUP_MESSAGE  0x0A00
+#define E1000_TSYNCRXCFG_PTP_V2_ANNOUNCE_MESSAGE             0x0B00
+#define E1000_TSYNCRXCFG_PTP_V2_SIGNALLING_MESSAGE           0x0C00
+#define E1000_TSYNCRXCFG_PTP_V2_MANAGEMENT_MESSAGE           0x0D00
+
+#define E1000_TIMINCA_16NS_SHIFT 24
+
 /* PCI Express Control */
 #define E1000_GCR_CMPL_TMOUT_MASK       0x0000F000
 #define E1000_GCR_CMPL_TMOUT_10ms       0x00001000
diff --git a/drivers/net/igb/e1000_regs.h b/drivers/net/igb/e1000_regs.h
index e06c3b706b1..24f2c24d030 100644
--- a/drivers/net/igb/e1000_regs.h
+++ b/drivers/net/igb/e1000_regs.h
@@ -76,59 +76,18 @@
 #define E1000_FCRTV    0x02460  /* Flow Control Refresh Timer Value - RW */
 
 /* IEEE 1588 TIMESYNCH */
-#define E1000_TSYNCTXCTL 0x0B614
-#define E1000_TSYNCTXCTL_VALID (1<<0)
-#define E1000_TSYNCTXCTL_ENABLED (1<<4)
-#define E1000_TSYNCRXCTL 0x0B620
-#define E1000_TSYNCRXCTL_VALID (1<<0)
-#define E1000_TSYNCRXCTL_ENABLED (1<<4)
-enum {
-	E1000_TSYNCRXCTL_TYPE_L2_V2 = 0,
-	E1000_TSYNCRXCTL_TYPE_L4_V1 = (1<<1),
-	E1000_TSYNCRXCTL_TYPE_L2_L4_V2 = (1<<2),
-	E1000_TSYNCRXCTL_TYPE_ALL = (1<<3),
-	E1000_TSYNCRXCTL_TYPE_EVENT_V2 = (1<<3) | (1<<1),
-};
-#define E1000_TSYNCRXCFG 0x05F50
-enum {
-	E1000_TSYNCRXCFG_PTP_V1_SYNC_MESSAGE = 0<<0,
-	E1000_TSYNCRXCFG_PTP_V1_DELAY_REQ_MESSAGE = 1<<0,
-	E1000_TSYNCRXCFG_PTP_V1_FOLLOWUP_MESSAGE = 2<<0,
-	E1000_TSYNCRXCFG_PTP_V1_DELAY_RESP_MESSAGE = 3<<0,
-	E1000_TSYNCRXCFG_PTP_V1_MANAGEMENT_MESSAGE = 4<<0,
-
-	E1000_TSYNCRXCFG_PTP_V2_SYNC_MESSAGE = 0<<8,
-	E1000_TSYNCRXCFG_PTP_V2_DELAY_REQ_MESSAGE = 1<<8,
-	E1000_TSYNCRXCFG_PTP_V2_PATH_DELAY_REQ_MESSAGE = 2<<8,
-	E1000_TSYNCRXCFG_PTP_V2_PATH_DELAY_RESP_MESSAGE = 3<<8,
-	E1000_TSYNCRXCFG_PTP_V2_FOLLOWUP_MESSAGE = 8<<8,
-	E1000_TSYNCRXCFG_PTP_V2_DELAY_RESP_MESSAGE = 9<<8,
-	E1000_TSYNCRXCFG_PTP_V2_PATH_DELAY_FOLLOWUP_MESSAGE = 0xA<<8,
-	E1000_TSYNCRXCFG_PTP_V2_ANNOUNCE_MESSAGE = 0xB<<8,
-	E1000_TSYNCRXCFG_PTP_V2_SIGNALLING_MESSAGE = 0xC<<8,
-	E1000_TSYNCRXCFG_PTP_V2_MANAGEMENT_MESSAGE = 0xD<<8,
-};
-#define E1000_SYSTIML 0x0B600
-#define E1000_SYSTIMH 0x0B604
-#define E1000_TIMINCA 0x0B608
-
-#define E1000_RXMTRL     0x0B634
-#define E1000_RXSTMPL 0x0B624
-#define E1000_RXSTMPH 0x0B628
-#define E1000_RXSATRL 0x0B62C
-#define E1000_RXSATRH 0x0B630
-
-#define E1000_TXSTMPL 0x0B618
-#define E1000_TXSTMPH 0x0B61C
-
-#define E1000_ETQF0   0x05CB0
-#define E1000_ETQF1   0x05CB4
-#define E1000_ETQF2   0x05CB8
-#define E1000_ETQF3   0x05CBC
-#define E1000_ETQF4   0x05CC0
-#define E1000_ETQF5   0x05CC4
-#define E1000_ETQF6   0x05CC8
-#define E1000_ETQF7   0x05CCC
+#define E1000_TSYNCRXCTL 0x0B620 /* Rx Time Sync Control register - RW */
+#define E1000_TSYNCTXCTL 0x0B614 /* Tx Time Sync Control register - RW */
+#define E1000_TSYNCRXCFG 0x05F50 /* Time Sync Rx Configuration - RW */
+#define E1000_RXSTMPL    0x0B624 /* Rx timestamp Low - RO */
+#define E1000_RXSTMPH    0x0B628 /* Rx timestamp High - RO */
+#define E1000_RXSATRL    0x0B62C /* Rx timestamp attribute low - RO */
+#define E1000_RXSATRH    0x0B630 /* Rx timestamp attribute high - RO */
+#define E1000_TXSTMPL    0x0B618 /* Tx timestamp value Low - RO */
+#define E1000_TXSTMPH    0x0B61C /* Tx timestamp value High - RO */
+#define E1000_SYSTIML    0x0B600 /* System time register Low - RO */
+#define E1000_SYSTIMH    0x0B604 /* System time register High - RO */
+#define E1000_TIMINCA    0x0B608 /* Increment attributes register - RW */
 
 /* Filtering Registers */
 #define E1000_SAQF(_n) (0x5980 + 4 * (_n))
diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index bef8cdc1c22..1a0ae57dcee 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -323,6 +323,7 @@ struct igb_adapter {
 #define IGB_FLAG_QUAD_PORT_A       (1 << 2)
 #define IGB_FLAG_QUEUE_PAIRS       (1 << 3)
 
+#define IGB_82576_TSYNC_SHIFT 19
 enum e1000_state_t {
 	__IGB_TESTING,
 	__IGB_RESETTING,
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 5724ac8c1ca..7e628bad17d 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -219,38 +219,6 @@ MODULE_DESCRIPTION("Intel(R) Gigabit Ethernet Network Driver");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(DRV_VERSION);
 
-/**
- * Scale the NIC clock cycle by a large factor so that
- * relatively small clock corrections can be added or
- * substracted at each clock tick. The drawbacks of a
- * large factor are a) that the clock register overflows
- * more quickly (not such a big deal) and b) that the
- * increment per tick has to fit into 24 bits.
- *
- * Note that
- *   TIMINCA = IGB_TSYNC_CYCLE_TIME_IN_NANOSECONDS *
- *             IGB_TSYNC_SCALE
- *   TIMINCA += TIMINCA * adjustment [ppm] / 1e9
- *
- * The base scale factor is intentionally a power of two
- * so that the division in %struct timecounter can be done with
- * a shift.
- */
-#define IGB_TSYNC_SHIFT (19)
-#define IGB_TSYNC_SCALE (1<<IGB_TSYNC_SHIFT)
-
-/**
- * The duration of one clock cycle of the NIC.
- *
- * @todo This hard-coded value is part of the specification and might change
- * in future hardware revisions. Add revision check.
- */
-#define IGB_TSYNC_CYCLE_TIME_IN_NANOSECONDS 16
-
-#if (IGB_TSYNC_SCALE * IGB_TSYNC_CYCLE_TIME_IN_NANOSECONDS) >= (1<<24)
-# error IGB_TSYNC_SCALE and/or IGB_TSYNC_CYCLE_TIME_IN_NANOSECONDS are too large to fit into TIMINCA
-#endif
-
 /**
  * igb_read_clock - read raw cycle counter (to be used by time counter)
  */
@@ -259,11 +227,11 @@ static cycle_t igb_read_clock(const struct cyclecounter *tc)
 	struct igb_adapter *adapter =
 		container_of(tc, struct igb_adapter, cycles);
 	struct e1000_hw *hw = &adapter->hw;
-	u64 stamp;
-
-	stamp =  rd32(E1000_SYSTIML);
-	stamp |= (u64)rd32(E1000_SYSTIMH) << 32ULL;
+	u64 stamp = 0;
+	int shift = 0;
 
+	stamp |= (u64)rd32(E1000_SYSTIML) << shift;
+	stamp |= (u64)rd32(E1000_SYSTIMH) << (shift + 32);
 	return stamp;
 }
 
@@ -1669,59 +1637,58 @@ static int __devinit igb_probe(struct pci_dev *pdev,
 		dev_info(&pdev->dev, "DCA enabled\n");
 		igb_setup_dca(adapter);
 	}
-#endif
 
-	/*
-	 * Initialize hardware timer: we keep it running just in case
-	 * that some program needs it later on.
-	 */
-	memset(&adapter->cycles, 0, sizeof(adapter->cycles));
-	adapter->cycles.read = igb_read_clock;
-	adapter->cycles.mask = CLOCKSOURCE_MASK(64);
-	adapter->cycles.mult = 1;
-	adapter->cycles.shift = IGB_TSYNC_SHIFT;
-	wr32(E1000_TIMINCA,
-	     (1<<24) |
-	     IGB_TSYNC_CYCLE_TIME_IN_NANOSECONDS * IGB_TSYNC_SCALE);
-#if 0
-	/*
-	 * Avoid rollover while we initialize by resetting the time counter.
-	 */
-	wr32(E1000_SYSTIML, 0x00000000);
-	wr32(E1000_SYSTIMH, 0x00000000);
-#else
-	/*
-	 * Set registers so that rollover occurs soon to test this.
-	 */
-	wr32(E1000_SYSTIML, 0x00000000);
-	wr32(E1000_SYSTIMH, 0xFF800000);
 #endif
-	wrfl();
-	timecounter_init(&adapter->clock,
-			 &adapter->cycles,
-			 ktime_to_ns(ktime_get_real()));
 
-	/*
-	 * Synchronize our NIC clock against system wall clock. NIC
-	 * time stamp reading requires ~3us per sample, each sample
-	 * was pretty stable even under load => only require 10
-	 * samples for each offset comparison.
-	 */
-	memset(&adapter->compare, 0, sizeof(adapter->compare));
-	adapter->compare.source = &adapter->clock;
-	adapter->compare.target = ktime_get_real;
-	adapter->compare.num_samples = 10;
-	timecompare_update(&adapter->compare, 0);
-
-#ifdef DEBUG
-	{
-		char buffer[160];
-		printk(KERN_DEBUG
-			"igb: %s: hw %p initialized timer\n",
-			igb_get_time_str(adapter, buffer),
-			&adapter->hw);
+	switch (hw->mac.type) {
+	case e1000_82576:
+		/*
+		 * Initialize hardware timer: we keep it running just in case
+		 * that some program needs it later on.
+		 */
+		memset(&adapter->cycles, 0, sizeof(adapter->cycles));
+		adapter->cycles.read = igb_read_clock;
+		adapter->cycles.mask = CLOCKSOURCE_MASK(64);
+		adapter->cycles.mult = 1;
+		/**
+		 * Scale the NIC clock cycle by a large factor so that
+		 * relatively small clock corrections can be added or
+		 * substracted at each clock tick. The drawbacks of a large
+		 * factor are a) that the clock register overflows more quickly
+		 * (not such a big deal) and b) that the increment per tick has
+		 * to fit into 24 bits.  As a result we need to use a shift of
+		 * 19 so we can fit a value of 16 into the TIMINCA register.
+		 */
+		adapter->cycles.shift = IGB_82576_TSYNC_SHIFT;
+		wr32(E1000_TIMINCA,
+		                (1 << E1000_TIMINCA_16NS_SHIFT) |
+		                (16 << IGB_82576_TSYNC_SHIFT));
+
+		/* Set registers so that rollover occurs soon to test this. */
+		wr32(E1000_SYSTIML, 0x00000000);
+		wr32(E1000_SYSTIMH, 0xFF800000);
+		wrfl();
+
+		timecounter_init(&adapter->clock,
+				 &adapter->cycles,
+				 ktime_to_ns(ktime_get_real()));
+		/*
+		 * Synchronize our NIC clock against system wall clock. NIC
+		 * time stamp reading requires ~3us per sample, each sample
+		 * was pretty stable even under load => only require 10
+		 * samples for each offset comparison.
+		 */
+		memset(&adapter->compare, 0, sizeof(adapter->compare));
+		adapter->compare.source = &adapter->clock;
+		adapter->compare.target = ktime_get_real;
+		adapter->compare.num_samples = 10;
+		timecompare_update(&adapter->compare, 0);
+		break;
+	case e1000_82575:
+		/* 82575 does not support timesync */
+	default:
+		break;
 	}
-#endif
 
 	dev_info(&pdev->dev, "Intel(R) Gigabit Ethernet Network Connection\n");
 	/* print bus type/speed/width info */
@@ -3596,7 +3563,7 @@ netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *skb,
 	u8 hdr_len = 0;
 	int count = 0;
 	int tso = 0;
-	union skb_shared_tx *shtx;
+	union skb_shared_tx *shtx = skb_tx(skb);
 
 	/* need: 1 descriptor per page,
 	 *       + 2 desc gap to keep tail from touching head,
@@ -3608,16 +3575,6 @@ netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *skb,
 		return NETDEV_TX_BUSY;
 	}
 
-	/*
-	 * TODO: check that there currently is no other packet with
-	 * time stamping in the queue
-	 *
-	 * When doing time stamping, keep the connection to the socket
-	 * a while longer: it is still needed by skb_hwtstamp_tx(),
-	 * called either in igb_tx_hwtstamp() or by our caller when
-	 * doing software time stamping.
-	 */
-	shtx = skb_tx(skb);
 	if (unlikely(shtx->hardware)) {
 		shtx->in_progress = 1;
 		tx_flags |= IGB_TX_FLAGS_TSTAMP;
@@ -4633,37 +4590,54 @@ static int igb_poll(struct napi_struct *napi, int budget)
 }
 
 /**
- * igb_hwtstamp - utility function which checks for TX time stamp
+ * igb_systim_to_hwtstamp - convert system time value to hw timestamp
  * @adapter: board private structure
+ * @shhwtstamps: timestamp structure to update
+ * @regval: unsigned 64bit system time value.
+ *
+ * We need to convert the system time value stored in the RX/TXSTMP registers
+ * into a hwtstamp which can be used by the upper level timestamping functions
+ */
+static void igb_systim_to_hwtstamp(struct igb_adapter *adapter,
+                                   struct skb_shared_hwtstamps *shhwtstamps,
+                                   u64 regval)
+{
+	u64 ns;
+
+	ns = timecounter_cyc2time(&adapter->clock, regval);
+	timecompare_update(&adapter->compare, ns);
+	memset(shhwtstamps, 0, sizeof(struct skb_shared_hwtstamps));
+	shhwtstamps->hwtstamp = ns_to_ktime(ns);
+	shhwtstamps->syststamp = timecompare_transform(&adapter->compare, ns);
+}
+
+/**
+ * igb_tx_hwtstamp - utility function which checks for TX time stamp
+ * @q_vector: pointer to q_vector containing needed info
  * @skb: packet that was just sent
  *
  * If we were asked to do hardware stamping and such a time stamp is
  * available, then it must have been for this skb here because we only
  * allow only one such packet into the queue.
  */
-static void igb_tx_hwtstamp(struct igb_adapter *adapter, struct sk_buff *skb)
+static void igb_tx_hwtstamp(struct igb_q_vector *q_vector, struct sk_buff *skb)
 {
+	struct igb_adapter *adapter = q_vector->adapter;
 	union skb_shared_tx *shtx = skb_tx(skb);
 	struct e1000_hw *hw = &adapter->hw;
+	struct skb_shared_hwtstamps shhwtstamps;
+	u64 regval;
 
-	if (unlikely(shtx->hardware)) {
-		u32 valid = rd32(E1000_TSYNCTXCTL) & E1000_TSYNCTXCTL_VALID;
-		if (valid) {
-			u64 regval = rd32(E1000_TXSTMPL);
-			u64 ns;
-			struct skb_shared_hwtstamps shhwtstamps;
-
-			memset(&shhwtstamps, 0, sizeof(shhwtstamps));
-			regval |= (u64)rd32(E1000_TXSTMPH) << 32;
-			ns = timecounter_cyc2time(&adapter->clock,
-						  regval);
-			timecompare_update(&adapter->compare, ns);
-			shhwtstamps.hwtstamp = ns_to_ktime(ns);
-			shhwtstamps.syststamp =
-				timecompare_transform(&adapter->compare, ns);
-			skb_tstamp_tx(skb, &shhwtstamps);
-		}
-	}
+	/* if skb does not support hw timestamp or TX stamp not valid exit */
+	if (likely(!shtx->hardware) ||
+	    !(rd32(E1000_TSYNCTXCTL) & E1000_TSYNCTXCTL_VALID))
+		return;
+
+	regval = rd32(E1000_TXSTMPL);
+	regval |= (u64)rd32(E1000_TXSTMPH) << 32;
+
+	igb_systim_to_hwtstamp(adapter, &shhwtstamps, regval);
+	skb_tstamp_tx(skb, &shhwtstamps);
 }
 
 /**
@@ -4706,7 +4680,7 @@ static bool igb_clean_tx_irq(struct igb_q_vector *q_vector)
 				total_packets += segs;
 				total_bytes += bytecount;
 
-				igb_tx_hwtstamp(adapter, skb);
+				igb_tx_hwtstamp(q_vector, skb);
 			}
 
 			igb_unmap_and_free_tx_resource(tx_ring, buffer_info);
@@ -4831,6 +4805,34 @@ static inline void igb_rx_checksum_adv(struct igb_ring *ring,
 	dev_dbg(&ring->pdev->dev, "cksum success: bits %08X\n", status_err);
 }
 
+static inline void igb_rx_hwtstamp(struct igb_q_vector *q_vector, u32 staterr,
+                                   struct sk_buff *skb)
+{
+	struct igb_adapter *adapter = q_vector->adapter;
+	struct e1000_hw *hw = &adapter->hw;
+	u64 regval;
+
+	/*
+	 * If this bit is set, then the RX registers contain the time stamp. No
+	 * other packet will be time stamped until we read these registers, so
+	 * read the registers to make them available again. Because only one
+	 * packet can be time stamped at a time, we know that the register
+	 * values must belong to this one here and therefore we don't need to
+	 * compare any of the additional attributes stored for it.
+	 *
+	 * If nothing went wrong, then it should have a skb_shared_tx that we
+	 * can turn into a skb_shared_hwtstamps.
+	 */
+	if (likely(!(staterr & E1000_RXDADV_STAT_TS)))
+		return;
+	if (!(rd32(E1000_TSYNCRXCTL) & E1000_TSYNCRXCTL_VALID))
+		return;
+
+	regval = rd32(E1000_RXSTMPL);
+	regval |= (u64)rd32(E1000_RXSTMPH) << 32;
+
+	igb_systim_to_hwtstamp(adapter, skb_hwtstamps(skb), regval);
+}
 static inline u16 igb_get_hlen(struct igb_ring *rx_ring,
                                union e1000_adv_rx_desc *rx_desc)
 {
@@ -4848,10 +4850,8 @@ static inline u16 igb_get_hlen(struct igb_ring *rx_ring,
 static bool igb_clean_rx_irq_adv(struct igb_q_vector *q_vector,
                                  int *work_done, int budget)
 {
-	struct igb_adapter *adapter = q_vector->adapter;
 	struct igb_ring *rx_ring = q_vector->rx_ring;
 	struct net_device *netdev = rx_ring->netdev;
-	struct e1000_hw *hw = &adapter->hw;
 	struct pci_dev *pdev = rx_ring->pdev;
 	union e1000_adv_rx_desc *rx_desc , *next_rxd;
 	struct igb_buffer *buffer_info , *next_buffer;
@@ -4930,52 +4930,12 @@ static bool igb_clean_rx_irq_adv(struct igb_q_vector *q_vector,
 			goto next_desc;
 		}
 send_up:
-		/*
-		 * If this bit is set, then the RX registers contain
-		 * the time stamp. No other packet will be time
-		 * stamped until we read these registers, so read the
-		 * registers to make them available again. Because
-		 * only one packet can be time stamped at a time, we
-		 * know that the register values must belong to this
-		 * one here and therefore we don't need to compare
-		 * any of the additional attributes stored for it.
-		 *
-		 * If nothing went wrong, then it should have a
-		 * skb_shared_tx that we can turn into a
-		 * skb_shared_hwtstamps.
-		 *
-		 * TODO: can time stamping be triggered (thus locking
-		 * the registers) without the packet reaching this point
-		 * here? In that case RX time stamping would get stuck.
-		 *
-		 * TODO: in "time stamp all packets" mode this bit is
-		 * not set. Need a global flag for this mode and then
-		 * always read the registers. Cannot be done without
-		 * a race condition.
-		 */
-		if (unlikely(staterr & E1000_RXD_STAT_TS)) {
-			u64 regval;
-			u64 ns;
-			struct skb_shared_hwtstamps *shhwtstamps =
-				skb_hwtstamps(skb);
-
-			WARN(!(rd32(E1000_TSYNCRXCTL) & E1000_TSYNCRXCTL_VALID),
-			     "igb: no RX time stamp available for time stamped packet");
-			regval = rd32(E1000_RXSTMPL);
-			regval |= (u64)rd32(E1000_RXSTMPH) << 32;
-			ns = timecounter_cyc2time(&adapter->clock, regval);
-			timecompare_update(&adapter->compare, ns);
-			memset(shhwtstamps, 0, sizeof(*shhwtstamps));
-			shhwtstamps->hwtstamp = ns_to_ktime(ns);
-			shhwtstamps->syststamp =
-				timecompare_transform(&adapter->compare, ns);
-		}
-
 		if (staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK) {
 			dev_kfree_skb_irq(skb);
 			goto next_desc;
 		}
 
+		igb_rx_hwtstamp(q_vector, staterr, skb);
 		total_bytes += skb->len;
 		total_packets++;
 
@@ -5161,13 +5121,11 @@ static int igb_hwtstamp_ioctl(struct net_device *netdev,
 	struct igb_adapter *adapter = netdev_priv(netdev);
 	struct e1000_hw *hw = &adapter->hw;
 	struct hwtstamp_config config;
-	u32 tsync_tx_ctl_bit = E1000_TSYNCTXCTL_ENABLED;
-	u32 tsync_rx_ctl_bit = E1000_TSYNCRXCTL_ENABLED;
-	u32 tsync_rx_ctl_type = 0;
+	u32 tsync_tx_ctl = E1000_TSYNCTXCTL_ENABLED;
+	u32 tsync_rx_ctl = E1000_TSYNCRXCTL_ENABLED;
 	u32 tsync_rx_cfg = 0;
-	int is_l4 = 0;
-	int is_l2 = 0;
-	short port = 319; /* PTP */
+	bool is_l4 = false;
+	bool is_l2 = false;
 	u32 regval;
 
 	if (copy_from_user(&config, ifr->ifr_data, sizeof(config)))
@@ -5179,10 +5137,8 @@ static int igb_hwtstamp_ioctl(struct net_device *netdev,
 
 	switch (config.tx_type) {
 	case HWTSTAMP_TX_OFF:
-		tsync_tx_ctl_bit = 0;
-		break;
+		tsync_tx_ctl = 0;
 	case HWTSTAMP_TX_ON:
-		tsync_tx_ctl_bit = E1000_TSYNCTXCTL_ENABLED;
 		break;
 	default:
 		return -ERANGE;
@@ -5190,7 +5146,7 @@ static int igb_hwtstamp_ioctl(struct net_device *netdev,
 
 	switch (config.rx_filter) {
 	case HWTSTAMP_FILTER_NONE:
-		tsync_rx_ctl_bit = 0;
+		tsync_rx_ctl = 0;
 		break;
 	case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
 	case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
@@ -5201,86 +5157,97 @@ static int igb_hwtstamp_ioctl(struct net_device *netdev,
 		 * possible to time stamp both Sync and Delay_Req messages
 		 * => fall back to time stamping all packets
 		 */
-		tsync_rx_ctl_type = E1000_TSYNCRXCTL_TYPE_ALL;
+		tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_ALL;
 		config.rx_filter = HWTSTAMP_FILTER_ALL;
 		break;
 	case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
-		tsync_rx_ctl_type = E1000_TSYNCRXCTL_TYPE_L4_V1;
+		tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L4_V1;
 		tsync_rx_cfg = E1000_TSYNCRXCFG_PTP_V1_SYNC_MESSAGE;
-		is_l4 = 1;
+		is_l4 = true;
 		break;
 	case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
-		tsync_rx_ctl_type = E1000_TSYNCRXCTL_TYPE_L4_V1;
+		tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L4_V1;
 		tsync_rx_cfg = E1000_TSYNCRXCFG_PTP_V1_DELAY_REQ_MESSAGE;
-		is_l4 = 1;
+		is_l4 = true;
 		break;
 	case HWTSTAMP_FILTER_PTP_V2_L2_SYNC:
 	case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
-		tsync_rx_ctl_type = E1000_TSYNCRXCTL_TYPE_L2_L4_V2;
+		tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L2_L4_V2;
 		tsync_rx_cfg = E1000_TSYNCRXCFG_PTP_V2_SYNC_MESSAGE;
-		is_l2 = 1;
-		is_l4 = 1;
+		is_l2 = true;
+		is_l4 = true;
 		config.rx_filter = HWTSTAMP_FILTER_SOME;
 		break;
 	case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ:
 	case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
-		tsync_rx_ctl_type = E1000_TSYNCRXCTL_TYPE_L2_L4_V2;
+		tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L2_L4_V2;
 		tsync_rx_cfg = E1000_TSYNCRXCFG_PTP_V2_DELAY_REQ_MESSAGE;
-		is_l2 = 1;
-		is_l4 = 1;
+		is_l2 = true;
+		is_l4 = true;
 		config.rx_filter = HWTSTAMP_FILTER_SOME;
 		break;
 	case HWTSTAMP_FILTER_PTP_V2_EVENT:
 	case HWTSTAMP_FILTER_PTP_V2_SYNC:
 	case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
-		tsync_rx_ctl_type = E1000_TSYNCRXCTL_TYPE_EVENT_V2;
+		tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_EVENT_V2;
 		config.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
-		is_l2 = 1;
+		is_l2 = true;
 		break;
 	default:
 		return -ERANGE;
 	}
 
+	if (hw->mac.type == e1000_82575) {
+		if (tsync_rx_ctl | tsync_tx_ctl)
+			return -EINVAL;
+		return 0;
+	}
+
 	/* enable/disable TX */
 	regval = rd32(E1000_TSYNCTXCTL);
-	regval = (regval & ~E1000_TSYNCTXCTL_ENABLED) | tsync_tx_ctl_bit;
+	regval &= ~E1000_TSYNCTXCTL_ENABLED;
+	regval |= tsync_tx_ctl;
 	wr32(E1000_TSYNCTXCTL, regval);
 
-	/* enable/disable RX, define which PTP packets are time stamped */
+	/* enable/disable RX */
 	regval = rd32(E1000_TSYNCRXCTL);
-	regval = (regval & ~E1000_TSYNCRXCTL_ENABLED) | tsync_rx_ctl_bit;
-	regval = (regval & ~0xE) | tsync_rx_ctl_type;
+	regval &= ~(E1000_TSYNCRXCTL_ENABLED | E1000_TSYNCRXCTL_TYPE_MASK);
+	regval |= tsync_rx_ctl;
 	wr32(E1000_TSYNCRXCTL, regval);
-	wr32(E1000_TSYNCRXCFG, tsync_rx_cfg);
 
-	/*
-	 * Ethertype Filter Queue Filter[0][15:0] = 0x88F7
-	 *                                          (Ethertype to filter on)
-	 * Ethertype Filter Queue Filter[0][26] = 0x1 (Enable filter)
-	 * Ethertype Filter Queue Filter[0][30] = 0x1 (Enable Timestamping)
-	 */
-	wr32(E1000_ETQF0, is_l2 ? 0x440088f7 : 0);
-
-	/* L4 Queue Filter[0]: only filter by source and destination port */
-	wr32(E1000_SPQF0, htons(port));
-	wr32(E1000_IMIREXT(0), is_l4 ?
-	     ((1<<12) | (1<<19) /* bypass size and control flags */) : 0);
-	wr32(E1000_IMIR(0), is_l4 ?
-	     (htons(port)
-	      | (0<<16) /* immediate interrupt disabled */
-	      | 0 /* (1<<17) bit cleared: do not bypass
-		     destination port check */)
-		: 0);
-	wr32(E1000_FTQF0, is_l4 ?
-	     (0x11 /* UDP */
-	      | (1<<15) /* VF not compared */
-	      | (1<<27) /* Enable Timestamping */
-	      | (7<<28) /* only source port filter enabled,
-			   source/target address and protocol
-			   masked */)
-	     : ((1<<15) | (15<<28) /* all mask bits set = filter not
-				      enabled */));
+	/* define which PTP packets are time stamped */
+	wr32(E1000_TSYNCRXCFG, tsync_rx_cfg);
 
+	/* define ethertype filter for timestamped packets */
+	if (is_l2)
+		wr32(E1000_ETQF(3),
+		                (E1000_ETQF_FILTER_ENABLE | /* enable filter */
+		                 E1000_ETQF_1588 | /* enable timestamping */
+		                 ETH_P_1588));     /* 1588 eth protocol type */
+	else
+		wr32(E1000_ETQF(3), 0);
+
+#define PTP_PORT 319
+	/* L4 Queue Filter[3]: filter by destination port and protocol */
+	if (is_l4) {
+		u32 ftqf = (IPPROTO_UDP /* UDP */
+			| E1000_FTQF_VF_BP /* VF not compared */
+			| E1000_FTQF_1588_TIME_STAMP /* Enable Timestamping */
+			| E1000_FTQF_MASK); /* mask all inputs */
+		ftqf &= ~E1000_FTQF_MASK_PROTO_BP; /* enable protocol check */
+
+		wr32(E1000_IMIR(3), htons(PTP_PORT));
+		wr32(E1000_IMIREXT(3),
+		     (E1000_IMIREXT_SIZE_BP | E1000_IMIREXT_CTRL_BP));
+		if (hw->mac.type == e1000_82576) {
+			/* enable source port check */
+			wr32(E1000_SPQF(3), htons(PTP_PORT));
+			ftqf &= ~E1000_FTQF_MASK_SOURCE_PORT_BP;
+		}
+		wr32(E1000_FTQF(3), ftqf);
+	} else {
+		wr32(E1000_FTQF(3), E1000_FTQF_MASK);
+	}
 	wrfl();
 
 	adapter->hwtstamp_config = config;
-- 
GitLab


From 317f66bdadc31f0c037b91ae7857f5c3d2a4e3e5 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 23:46:20 +0000
Subject: [PATCH 0644/1815] igb: misc cleanups within igb_ethtool.c

This patch just goes thorugh and does several cleanups on igb_ethtool.c.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb_ethtool.c | 105 +++++++++++++++++++---------------
 1 file changed, 60 insertions(+), 45 deletions(-)

diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
index 84fe25ad1b7..d24b902ba7d 100644
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -101,24 +101,25 @@ static const struct igb_stats igb_gstrings_stats[] = {
 };
 
 #define IGB_QUEUE_STATS_LEN \
-	(((((struct igb_adapter *)netdev_priv(netdev))->num_rx_queues)* \
+	((((struct igb_adapter *)netdev_priv(netdev))->num_rx_queues * \
 	  (sizeof(struct igb_rx_queue_stats) / sizeof(u64))) + \
-	 ((((struct igb_adapter *)netdev_priv(netdev))->num_tx_queues) * \
+	 (((struct igb_adapter *)netdev_priv(netdev))->num_tx_queues * \
 	  (sizeof(struct igb_tx_queue_stats) / sizeof(u64))))
 #define IGB_GLOBAL_STATS_LEN	\
-	sizeof(igb_gstrings_stats) / sizeof(struct igb_stats)
+	(sizeof(igb_gstrings_stats) / sizeof(struct igb_stats))
 #define IGB_STATS_LEN (IGB_GLOBAL_STATS_LEN + IGB_QUEUE_STATS_LEN)
 static const char igb_gstrings_test[][ETH_GSTRING_LEN] = {
 	"Register test  (offline)", "Eeprom test    (offline)",
 	"Interrupt test (offline)", "Loopback test  (offline)",
 	"Link test   (on/offline)"
 };
-#define IGB_TEST_LEN sizeof(igb_gstrings_test) / ETH_GSTRING_LEN
+#define IGB_TEST_LEN (sizeof(igb_gstrings_test) / ETH_GSTRING_LEN)
 
 static int igb_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 {
 	struct igb_adapter *adapter = netdev_priv(netdev);
 	struct e1000_hw *hw = &adapter->hw;
+	u32 status;
 
 	if (hw->phy.media_type == e1000_media_type_copper) {
 
@@ -153,17 +154,20 @@ static int igb_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 
 	ecmd->transceiver = XCVR_INTERNAL;
 
-	if (rd32(E1000_STATUS) & E1000_STATUS_LU) {
+	status = rd32(E1000_STATUS);
 
-		adapter->hw.mac.ops.get_speed_and_duplex(hw,
-					&adapter->link_speed,
-					&adapter->link_duplex);
-		ecmd->speed = adapter->link_speed;
+	if (status & E1000_STATUS_LU) {
 
-		/* unfortunately FULL_DUPLEX != DUPLEX_FULL
-		 *          and HALF_DUPLEX != DUPLEX_HALF */
+		if ((status & E1000_STATUS_SPEED_1000) ||
+		    hw->phy.media_type != e1000_media_type_copper)
+			ecmd->speed = SPEED_1000;
+		else if (status & E1000_STATUS_SPEED_100)
+			ecmd->speed = SPEED_100;
+		else
+			ecmd->speed = SPEED_10;
 
-		if (adapter->link_duplex == FULL_DUPLEX)
+		if ((status & E1000_STATUS_FD) ||
+		    hw->phy.media_type != e1000_media_type_copper)
 			ecmd->duplex = DUPLEX_FULL;
 		else
 			ecmd->duplex = DUPLEX_HALF;
@@ -254,8 +258,9 @@ static int igb_set_pauseparam(struct net_device *netdev,
 		if (netif_running(adapter->netdev)) {
 			igb_down(adapter);
 			igb_up(adapter);
-		} else
+		} else {
 			igb_reset(adapter);
+		}
 	} else {
 		if (pause->rx_pause && pause->tx_pause)
 			hw->fc.requested_mode = e1000_fc_full;
@@ -308,7 +313,7 @@ static int igb_set_tx_csum(struct net_device *netdev, u32 data)
 
 	if (data) {
 		netdev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
-		if (adapter->hw.mac.type == e1000_82576)
+		if (adapter->hw.mac.type >= e1000_82576)
 			netdev->features |= NETIF_F_SCTP_CSUM;
 	} else {
 		netdev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
@@ -735,12 +740,12 @@ static int igb_set_ringparam(struct net_device *netdev,
 	if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 		return -EINVAL;
 
-	new_rx_count = max(ring->rx_pending, (u32)IGB_MIN_RXD);
-	new_rx_count = min(new_rx_count, (u32)IGB_MAX_RXD);
+	new_rx_count = min(ring->rx_pending, (u32)IGB_MAX_RXD);
+	new_rx_count = max(new_rx_count, (u16)IGB_MIN_RXD);
 	new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE);
 
-	new_tx_count = max(ring->tx_pending, (u32)IGB_MIN_TXD);
-	new_tx_count = min(new_tx_count, (u32)IGB_MAX_TXD);
+	new_tx_count = min(ring->tx_pending, (u32)IGB_MAX_TXD);
+	new_tx_count = max(new_tx_count, (u16)IGB_MIN_TXD);
 	new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE);
 
 	if ((new_tx_count == adapter->tx_ring_count) &&
@@ -941,7 +946,7 @@ static bool reg_pattern_test(struct igb_adapter *adapter, u64 *data,
 {
 	struct e1000_hw *hw = &adapter->hw;
 	u32 pat, val;
-	u32 _test[] =
+	static const u32 _test[] =
 		{0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
 	for (pat = 0; pat < ARRAY_SIZE(_test); pat++) {
 		wr32(reg, (_test[pat] & write));
@@ -954,6 +959,7 @@ static bool reg_pattern_test(struct igb_adapter *adapter, u64 *data,
 			return 1;
 		}
 	}
+
 	return 0;
 }
 
@@ -971,6 +977,7 @@ static bool reg_set_and_check(struct igb_adapter *adapter, u64 *data,
 		*data = reg;
 		return 1;
 	}
+
 	return 0;
 }
 
@@ -993,14 +1000,14 @@ static int igb_reg_test(struct igb_adapter *adapter, u64 *data)
 	u32 value, before, after;
 	u32 i, toggle;
 
-	toggle = 0x7FFFF3FF;
-
 	switch (adapter->hw.mac.type) {
 	case e1000_82576:
 		test = reg_test_82576;
+		toggle = 0x7FFFF3FF;
 		break;
 	default:
 		test = reg_test_82575;
+		toggle = 0x7FFFF3FF;
 		break;
 	}
 
@@ -1078,8 +1085,7 @@ static int igb_eeprom_test(struct igb_adapter *adapter, u64 *data)
 	*data = 0;
 	/* Read and add up the contents of the EEPROM */
 	for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
-		if ((adapter->hw.nvm.ops.read(&adapter->hw, i, 1, &temp))
-		    < 0) {
+		if ((adapter->hw.nvm.ops.read(&adapter->hw, i, 1, &temp)) < 0) {
 			*data = 1;
 			break;
 		}
@@ -1095,8 +1101,7 @@ static int igb_eeprom_test(struct igb_adapter *adapter, u64 *data)
 
 static irqreturn_t igb_test_intr(int irq, void *data)
 {
-	struct net_device *netdev = (struct net_device *) data;
-	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct igb_adapter *adapter = (struct igb_adapter *) data;
 	struct e1000_hw *hw = &adapter->hw;
 
 	adapter->test_icr |= rd32(E1000_ICR);
@@ -1120,7 +1125,6 @@ static int igb_intr_test(struct igb_adapter *adapter, u64 *data)
 			*data = 1;
 			return -1;
 		}
-
 	} else if (adapter->flags & IGB_FLAG_HAS_MSI) {
 		shared_int = false;
 		if (request_irq(irq,
@@ -1138,6 +1142,7 @@ static int igb_intr_test(struct igb_adapter *adapter, u64 *data)
 	}
 	dev_info(&adapter->pdev->dev, "testing %s interrupt\n",
 		(shared_int ? "shared" : "unshared"));
+
 	/* Disable all the interrupts */
 	wr32(E1000_IMC, ~0);
 	msleep(10);
@@ -1363,7 +1368,10 @@ static int igb_setup_loopback_test(struct igb_adapter *adapter)
 	struct e1000_hw *hw = &adapter->hw;
 	u32 reg;
 
-	if (hw->phy.media_type == e1000_media_type_internal_serdes) {
+	reg = rd32(E1000_CTRL_EXT);
+
+	/* use CTRL_EXT to identify link type as SGMII can appear as copper */
+	if (reg & E1000_CTRL_EXT_LINK_MODE_MASK) {
 		reg = rd32(E1000_RCTL);
 		reg |= E1000_RCTL_LBM_TCVR;
 		wr32(E1000_RCTL, reg);
@@ -1394,11 +1402,9 @@ static int igb_setup_loopback_test(struct igb_adapter *adapter)
 		wr32(E1000_PCS_LCTL, reg);
 
 		return 0;
-	} else if (hw->phy.media_type == e1000_media_type_copper) {
-		return igb_set_phy_loopback(adapter);
 	}
 
-	return 7;
+	return igb_set_phy_loopback(adapter);
 }
 
 static void igb_loopback_cleanup(struct igb_adapter *adapter)
@@ -1424,19 +1430,21 @@ static void igb_create_lbtest_frame(struct sk_buff *skb,
 				    unsigned int frame_size)
 {
 	memset(skb->data, 0xFF, frame_size);
-	frame_size &= ~1;
-	memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
-	memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
-	memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
+	frame_size /= 2;
+	memset(&skb->data[frame_size], 0xAA, frame_size - 1);
+	memset(&skb->data[frame_size + 10], 0xBE, 1);
+	memset(&skb->data[frame_size + 12], 0xAF, 1);
 }
 
 static int igb_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
 {
-	frame_size &= ~1;
-	if (*(skb->data + 3) == 0xFF)
-		if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
-		   (*(skb->data + frame_size / 2 + 12) == 0xAF))
+	frame_size /= 2;
+	if (*(skb->data + 3) == 0xFF) {
+		if ((*(skb->data + frame_size + 10) == 0xBE) &&
+		   (*(skb->data + frame_size + 12) == 0xAF)) {
 			return 0;
+		}
+	}
 	return 13;
 }
 
@@ -1513,7 +1521,8 @@ static int igb_run_loopback_test(struct igb_adapter *adapter)
 	igb_create_lbtest_frame(skb, size);
 	skb_put(skb, size);
 
-	/* Calculate the loop count based on the largest descriptor ring
+	/*
+	 * Calculate the loop count based on the largest descriptor ring
 	 * The idea is to wrap the largest ring a number of times using 64
 	 * send/receive pairs during each loop
 	 */
@@ -1605,8 +1614,7 @@ static int igb_link_test(struct igb_adapter *adapter, u64 *data)
 		if (hw->mac.autoneg)
 			msleep(4000);
 
-		if (!(rd32(E1000_STATUS) &
-		      E1000_STATUS_LU))
+		if (!(rd32(E1000_STATUS) & E1000_STATUS_LU))
 			*data = 1;
 	}
 	return *data;
@@ -1788,7 +1796,6 @@ static int igb_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 		adapter->wol |= E1000_WUFC_BC;
 	if (wol->wolopts & WAKE_MAGIC)
 		adapter->wol |= E1000_WUFC_MAG;
-
 	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
 
 	return 0;
@@ -1801,12 +1808,19 @@ static int igb_phys_id(struct net_device *netdev, u32 data)
 {
 	struct igb_adapter *adapter = netdev_priv(netdev);
 	struct e1000_hw *hw = &adapter->hw;
+	unsigned long timeout;
 
-	if (!data || data > (u32)(MAX_SCHEDULE_TIMEOUT / HZ))
-		data = (u32)(MAX_SCHEDULE_TIMEOUT / HZ);
+	timeout = data * 1000;
+
+	/*
+	 *  msleep_interruptable only accepts unsigned int so we are limited
+	 * in how long a duration we can wait
+	 */
+	if (!timeout || timeout > UINT_MAX)
+		timeout = UINT_MAX;
 
 	igb_blink_led(hw);
-	msleep_interruptible(data * 1000);
+	msleep_interruptible(timeout);
 
 	igb_led_off(hw);
 	clear_bit(IGB_LED_ON, &adapter->led_status);
@@ -1916,6 +1930,7 @@ static void igb_get_ethtool_stats(struct net_device *netdev,
 	char *p = NULL;
 
 	igb_update_stats(adapter);
+
 	for (i = 0; i < IGB_GLOBAL_STATS_LEN; i++) {
 		switch (igb_gstrings_stats[i].type) {
 		case NETDEV_STATS:
-- 
GitLab


From d249be54745259980dcbd898bdfeb7307c9c5e10 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 23:46:38 +0000
Subject: [PATCH 0645/1815] igb: use packet buffer sizes from RXPBS register

This patch changes the configuration for 82576 so that it uses the actual
value of the 82576 rx packet buffer size instead of just assuming the
value.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/e1000_82575.h | 2 ++
 drivers/net/igb/e1000_regs.h  | 2 ++
 drivers/net/igb/igb_main.c    | 3 ++-
 3 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/net/igb/e1000_82575.h b/drivers/net/igb/e1000_82575.h
index cbe475747d1..b3808ca49ef 100644
--- a/drivers/net/igb/e1000_82575.h
+++ b/drivers/net/igb/e1000_82575.h
@@ -228,6 +228,8 @@ struct e1000_adv_tx_context_desc {
 
 #define ALL_QUEUES   0xFFFF
 
+/* RX packet buffer size defines */
+#define E1000_RXPBS_SIZE_MASK_82576  0x0000007F
 void igb_vmdq_set_loopback_pf(struct e1000_hw *, bool);
 void igb_vmdq_set_replication_pf(struct e1000_hw *, bool);
 
diff --git a/drivers/net/igb/e1000_regs.h b/drivers/net/igb/e1000_regs.h
index 24f2c24d030..934e03b053a 100644
--- a/drivers/net/igb/e1000_regs.h
+++ b/drivers/net/igb/e1000_regs.h
@@ -102,7 +102,9 @@
 #define E1000_ETQF(_n)  (0x05CB0 + (4 * (_n))) /* EType Queue Fltr */
 
 #define E1000_RQDPC(_n) (0x0C030 + ((_n) * 0x40))
+
 /* Split and Replication RX Control - RW */
+#define E1000_RXPBS    0x02404  /* Rx Packet Buffer Size - RW */
 /*
  * Convenience macros
  *
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 7e628bad17d..2ed2694df5a 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -1215,7 +1215,8 @@ void igb_reset(struct igb_adapter *adapter)
 	 */
 	switch (mac->type) {
 	case e1000_82576:
-		pba = E1000_PBA_64K;
+		pba = rd32(E1000_RXPBS);
+		pba &= E1000_RXPBS_SIZE_MASK_82576;
 		break;
 	case e1000_82575:
 	default:
-- 
GitLab


From f2ca0dbe077389f061ffa15de9dd7fc96a5b97d2 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 23:46:57 +0000
Subject: [PATCH 0646/1815] igb: replace the VF clear_to_send with a flags
 value

In order to support future features it is easiest to replace the
clear_to_send boolean with a flag value.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb.h      |   5 +-
 drivers/net/igb/igb_main.c | 125 ++++++++++++++++++++-----------------
 2 files changed, 70 insertions(+), 60 deletions(-)

diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index 1a0ae57dcee..7801d3f4019 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -73,9 +73,12 @@ struct vf_data_storage {
 	u16 vf_mc_hashes[IGB_MAX_VF_MC_ENTRIES];
 	u16 num_vf_mc_hashes;
 	u16 vlans_enabled;
-	bool clear_to_send;
+	u32 flags;
+	unsigned long last_nack;
 };
 
+#define IGB_VF_FLAG_CTS            0x00000001 /* VF is clear to send data */
+
 /* RX descriptor control thresholds.
  * PTHRESH - MAC will consider prefetch if it has fewer than this number of
  *           descriptors available in its onboard memory.
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 2ed2694df5a..a9e8ba24400 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -125,9 +125,8 @@ static void igb_restore_vlan(struct igb_adapter *);
 static void igb_rar_set_qsel(struct igb_adapter *, u8 *, u32 , u8);
 static void igb_ping_all_vfs(struct igb_adapter *);
 static void igb_msg_task(struct igb_adapter *);
-static int igb_rcv_msg_from_vf(struct igb_adapter *, u32);
 static void igb_vmm_control(struct igb_adapter *);
-static int igb_set_vf_mac(struct igb_adapter *adapter, int, unsigned char *);
+static int igb_set_vf_mac(struct igb_adapter *, int, unsigned char *);
 static void igb_restore_vf_multicasts(struct igb_adapter *adapter);
 
 static inline void igb_set_vmolr(struct e1000_hw *hw, int vfn)
@@ -1291,10 +1290,10 @@ void igb_reset(struct igb_adapter *adapter)
 	if (adapter->vfs_allocated_count) {
 		int i;
 		for (i = 0 ; i < adapter->vfs_allocated_count; i++)
-			adapter->vf_data[i].clear_to_send = false;
+			adapter->vf_data[i].flags = 0;
 
 		/* ping all the active vfs to let them know we are going down */
-			igb_ping_all_vfs(adapter);
+		igb_ping_all_vfs(adapter);
 
 		/* disable transmits and receives */
 		wr32(E1000_VFRE, 0);
@@ -4096,7 +4095,7 @@ static void igb_ping_all_vfs(struct igb_adapter *adapter)
 
 	for (i = 0 ; i < adapter->vfs_allocated_count; i++) {
 		ping = E1000_PF_CONTROL_MSG;
-		if (adapter->vf_data[i].clear_to_send)
+		if (adapter->vf_data[i].flags & IGB_VF_FLAG_CTS)
 			ping |= E1000_VT_MSGTYPE_CTS;
 		igb_write_mbx(hw, &ping, 1, i);
 	}
@@ -4276,15 +4275,14 @@ static int igb_set_vf_vlan(struct igb_adapter *adapter, u32 *msgbuf, u32 vf)
 	return igb_vlvf_set(adapter, vid, add, vf);
 }
 
-static inline void igb_vf_reset_event(struct igb_adapter *adapter, u32 vf)
+static inline void igb_vf_reset(struct igb_adapter *adapter, u32 vf)
 {
-	struct e1000_hw *hw = &adapter->hw;
-
-	/* disable mailbox functionality for vf */
-	adapter->vf_data[vf].clear_to_send = false;
+	/* clear all flags */
+	adapter->vf_data[vf].flags = 0;
+	adapter->vf_data[vf].last_nack = jiffies;
 
 	/* reset offloads to defaults */
-	igb_set_vmolr(hw, vf);
+	igb_set_vmolr(&adapter->hw, vf);
 
 	/* reset vlans for device */
 	igb_clear_vf_vfta(adapter, vf);
@@ -4296,7 +4294,18 @@ static inline void igb_vf_reset_event(struct igb_adapter *adapter, u32 vf)
 	igb_set_rx_mode(adapter->netdev);
 }
 
-static inline void igb_vf_reset_msg(struct igb_adapter *adapter, u32 vf)
+static void igb_vf_reset_event(struct igb_adapter *adapter, u32 vf)
+{
+	unsigned char *vf_mac = adapter->vf_data[vf].vf_mac_addresses;
+
+	/* generate a new mac address as we were hotplug removed/added */
+	random_ether_addr(vf_mac);
+
+	/* process remaining reset events */
+	igb_vf_reset(adapter, vf);
+}
+
+static void igb_vf_reset_msg(struct igb_adapter *adapter, u32 vf)
 {
 	struct e1000_hw *hw = &adapter->hw;
 	unsigned char *vf_mac = adapter->vf_data[vf].vf_mac_addresses;
@@ -4305,7 +4314,7 @@ static inline void igb_vf_reset_msg(struct igb_adapter *adapter, u32 vf)
 	u8 *addr = (u8 *)(&msgbuf[1]);
 
 	/* process all the same items cleared in a function level reset */
-	igb_vf_reset_event(adapter, vf);
+	igb_vf_reset(adapter, vf);
 
 	/* set vf mac address */
 	igb_rar_set_qsel(adapter, vf_mac, rar_entry, vf);
@@ -4316,8 +4325,7 @@ static inline void igb_vf_reset_msg(struct igb_adapter *adapter, u32 vf)
 	reg = rd32(E1000_VFRE);
 	wr32(E1000_VFRE, reg | (1 << vf));
 
-	/* enable mailbox functionality for vf */
-	adapter->vf_data[vf].clear_to_send = true;
+	adapter->vf_data[vf].flags = IGB_VF_FLAG_CTS;
 
 	/* reply to reset with ack and vf mac address */
 	msgbuf[0] = E1000_VF_RESET | E1000_VT_MSGTYPE_ACK;
@@ -4327,66 +4335,45 @@ static inline void igb_vf_reset_msg(struct igb_adapter *adapter, u32 vf)
 
 static int igb_set_vf_mac_addr(struct igb_adapter *adapter, u32 *msg, int vf)
 {
-		unsigned char *addr = (char *)&msg[1];
-		int err = -1;
+	unsigned char *addr = (char *)&msg[1];
+	int err = -1;
 
-		if (is_valid_ether_addr(addr))
-			err = igb_set_vf_mac(adapter, vf, addr);
-
-		return err;
+	if (is_valid_ether_addr(addr))
+		err = igb_set_vf_mac(adapter, vf, addr);
 
+	return err;
 }
 
 static void igb_rcv_ack_from_vf(struct igb_adapter *adapter, u32 vf)
 {
 	struct e1000_hw *hw = &adapter->hw;
+	struct vf_data_storage *vf_data = &adapter->vf_data[vf];
 	u32 msg = E1000_VT_MSGTYPE_NACK;
 
 	/* if device isn't clear to send it shouldn't be reading either */
-	if (!adapter->vf_data[vf].clear_to_send)
+	if (!(vf_data->flags & IGB_VF_FLAG_CTS) &&
+	    time_after(jiffies, vf_data->last_nack + (2 * HZ))) {
 		igb_write_mbx(hw, &msg, 1, vf);
-}
-
-
-static void igb_msg_task(struct igb_adapter *adapter)
-{
-	struct e1000_hw *hw = &adapter->hw;
-	u32 vf;
-
-	for (vf = 0; vf < adapter->vfs_allocated_count; vf++) {
-		/* process any reset requests */
-		if (!igb_check_for_rst(hw, vf)) {
-			adapter->vf_data[vf].clear_to_send = false;
-			igb_vf_reset_event(adapter, vf);
-		}
-
-		/* process any messages pending */
-		if (!igb_check_for_msg(hw, vf))
-			igb_rcv_msg_from_vf(adapter, vf);
-
-		/* process any acks */
-		if (!igb_check_for_ack(hw, vf))
-			igb_rcv_ack_from_vf(adapter, vf);
-
+		vf_data->last_nack = jiffies;
 	}
 }
 
-static int igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf)
+static void igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf)
 {
-	u32 mbx_size = E1000_VFMAILBOX_SIZE;
-	u32 msgbuf[mbx_size];
+	struct pci_dev *pdev = adapter->pdev;
+	u32 msgbuf[E1000_VFMAILBOX_SIZE];
 	struct e1000_hw *hw = &adapter->hw;
+	struct vf_data_storage *vf_data = &adapter->vf_data[vf];
 	s32 retval;
 
-	retval = igb_read_mbx(hw, msgbuf, mbx_size, vf);
+	retval = igb_read_mbx(hw, msgbuf, E1000_VFMAILBOX_SIZE, vf);
 
 	if (retval)
-		dev_err(&adapter->pdev->dev,
-		        "Error receiving message from VF\n");
+		dev_err(&pdev->dev, "Error receiving message from VF\n");
 
 	/* this is a message we already processed, do nothing */
 	if (msgbuf[0] & (E1000_VT_MSGTYPE_ACK | E1000_VT_MSGTYPE_NACK))
-		return retval;
+		return;
 
 	/*
 	 * until the vf completes a reset it should not be
@@ -4395,14 +4382,16 @@ static int igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf)
 
 	if (msgbuf[0] == E1000_VF_RESET) {
 		igb_vf_reset_msg(adapter, vf);
-
-		return retval;
+		return;
 	}
 
-	if (!adapter->vf_data[vf].clear_to_send) {
-		msgbuf[0] |= E1000_VT_MSGTYPE_NACK;
-		igb_write_mbx(hw, msgbuf, 1, vf);
-		return retval;
+	if (!(vf_data->flags & IGB_VF_FLAG_CTS)) {
+		msgbuf[0] = E1000_VT_MSGTYPE_NACK;
+		if (time_after(jiffies, vf_data->last_nack + (2 * HZ))) {
+			igb_write_mbx(hw, msgbuf, 1, vf);
+			vf_data->last_nack = jiffies;
+		}
+		return;
 	}
 
 	switch ((msgbuf[0] & 0xFFFF)) {
@@ -4433,8 +4422,26 @@ static int igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf)
 	msgbuf[0] |= E1000_VT_MSGTYPE_CTS;
 
 	igb_write_mbx(hw, msgbuf, 1, vf);
+}
 
-	return retval;
+static void igb_msg_task(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 vf;
+
+	for (vf = 0; vf < adapter->vfs_allocated_count; vf++) {
+		/* process any reset requests */
+		if (!igb_check_for_rst(hw, vf))
+			igb_vf_reset_event(adapter, vf);
+
+		/* process any messages pending */
+		if (!igb_check_for_msg(hw, vf))
+			igb_rcv_msg_from_vf(adapter, vf);
+
+		/* process any acks */
+		if (!igb_check_for_ack(hw, vf))
+			igb_rcv_ack_from_vf(adapter, vf);
+	}
 }
 
 /**
-- 
GitLab


From 7d5753f08c5be5440ac0385b5f2518d2630be7b7 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 23:47:16 +0000
Subject: [PATCH 0647/1815] igb: rework use of VMOLR in regards to PF and VFs

This patch updates the use of the VMOLR to include enabling multicast
promiscous for the VFs should they attempt to send over 30 multicast
addresses or if they use the new message type to enable multicast
promiscuous.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/e1000_mbx.h |  10 ++-
 drivers/net/igb/igb.h       |   2 +
 drivers/net/igb/igb_main.c  | 173 ++++++++++++++++++++++++------------
 3 files changed, 125 insertions(+), 60 deletions(-)

diff --git a/drivers/net/igb/e1000_mbx.h b/drivers/net/igb/e1000_mbx.h
index ebc02ea3f19..bb112fb6c3a 100644
--- a/drivers/net/igb/e1000_mbx.h
+++ b/drivers/net/igb/e1000_mbx.h
@@ -58,10 +58,12 @@
 #define E1000_VT_MSGINFO_MASK     (0xFF << E1000_VT_MSGINFO_SHIFT)
 
 #define E1000_VF_RESET            0x01 /* VF requests reset */
-#define E1000_VF_SET_MAC_ADDR     0x02 /* VF requests PF to set MAC addr */
-#define E1000_VF_SET_MULTICAST    0x03 /* VF requests PF to set MC addr */
-#define E1000_VF_SET_VLAN         0x04 /* VF requests PF to set VLAN */
-#define E1000_VF_SET_LPE          0x05 /* VF requests PF to set VMOLR.LPE */
+#define E1000_VF_SET_MAC_ADDR     0x02 /* VF requests to set MAC addr */
+#define E1000_VF_SET_MULTICAST    0x03 /* VF requests to set MC addr */
+#define E1000_VF_SET_VLAN         0x04 /* VF requests to set VLAN */
+#define E1000_VF_SET_LPE          0x05 /* VF requests to set VMOLR.LPE */
+#define E1000_VF_SET_PROMISC      0x06 /*VF requests to clear VMOLR.ROPE/MPME*/
+#define E1000_VF_SET_PROMISC_MULTICAST    (0x02 << E1000_VT_MSGINFO_SHIFT)
 
 #define E1000_PF_CONTROL_MSG      0x0100 /* PF control message */
 
diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index 7801d3f4019..c27dc1a8d0c 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -78,6 +78,8 @@ struct vf_data_storage {
 };
 
 #define IGB_VF_FLAG_CTS            0x00000001 /* VF is clear to send data */
+#define IGB_VF_FLAG_UNI_PROMISC    0x00000002 /* VF has unicast promisc */
+#define IGB_VF_FLAG_MULTI_PROMISC  0x00000004 /* VF has multicast promisc */
 
 /* RX descriptor control thresholds.
  * PTHRESH - MAC will consider prefetch if it has fewer than this number of
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index a9e8ba24400..3ab297844d6 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -129,38 +129,6 @@ static void igb_vmm_control(struct igb_adapter *);
 static int igb_set_vf_mac(struct igb_adapter *, int, unsigned char *);
 static void igb_restore_vf_multicasts(struct igb_adapter *adapter);
 
-static inline void igb_set_vmolr(struct e1000_hw *hw, int vfn)
-{
-	u32 reg_data;
-
-	reg_data = rd32(E1000_VMOLR(vfn));
-	reg_data |= E1000_VMOLR_BAM |	 /* Accept broadcast */
-	            E1000_VMOLR_ROMPE |  /* Accept packets matched in MTA */
-	            E1000_VMOLR_AUPE |   /* Accept untagged packets */
-	            E1000_VMOLR_STRVLAN; /* Strip vlan tags */
-	wr32(E1000_VMOLR(vfn), reg_data);
-}
-
-static inline int igb_set_vf_rlpml(struct igb_adapter *adapter, int size,
-                                 int vfn)
-{
-	struct e1000_hw *hw = &adapter->hw;
-	u32 vmolr;
-
-	/* if it isn't the PF check to see if VFs are enabled and
-	 * increase the size to support vlan tags */
-	if (vfn < adapter->vfs_allocated_count &&
-	    adapter->vf_data[vfn].vlans_enabled)
-		size += VLAN_TAG_SIZE;
-
-	vmolr = rd32(E1000_VMOLR(vfn));
-	vmolr &= ~E1000_VMOLR_RLPML_MASK;
-	vmolr |= size | E1000_VMOLR_LPE;
-	wr32(E1000_VMOLR(vfn), vmolr);
-
-	return 0;
-}
-
 #ifdef CONFIG_PM
 static int igb_suspend(struct pci_dev *, pm_message_t);
 static int igb_resume(struct pci_dev *);
@@ -1115,8 +1083,6 @@ int igb_up(struct igb_adapter *adapter)
 	if (adapter->msix_entries)
 		igb_configure_msix(adapter);
 
-	igb_set_vmolr(hw, adapter->vfs_allocated_count);
-
 	/* Clear any pending interrupts. */
 	rd32(E1000_ICR);
 	igb_irq_enable(adapter);
@@ -1892,8 +1858,6 @@ static int igb_open(struct net_device *netdev)
 	 * clean_rx handler before we do so.  */
 	igb_configure(adapter);
 
-	igb_set_vmolr(hw, adapter->vfs_allocated_count);
-
 	err = igb_request_irq(adapter);
 	if (err)
 		goto err_req_irq;
@@ -2331,22 +2295,33 @@ void igb_setup_rctl(struct igb_adapter *adapter)
 	 * if an un-trusted VF does not provide descriptors to hardware.
 	 */
 	if (adapter->vfs_allocated_count) {
-		u32 vmolr;
-
 		/* set all queue drop enable bits */
 		wr32(E1000_QDE, ALL_QUEUES);
-
-		vmolr = rd32(E1000_VMOLR(adapter->vfs_allocated_count));
-		if (rctl & E1000_RCTL_LPE)
-			vmolr |= E1000_VMOLR_LPE;
-		if (adapter->num_rx_queues > 1)
-			vmolr |= E1000_VMOLR_RSSE;
-		wr32(E1000_VMOLR(adapter->vfs_allocated_count), vmolr);
 	}
 
 	wr32(E1000_RCTL, rctl);
 }
 
+static inline int igb_set_vf_rlpml(struct igb_adapter *adapter, int size,
+                                   int vfn)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 vmolr;
+
+	/* if it isn't the PF check to see if VFs are enabled and
+	 * increase the size to support vlan tags */
+	if (vfn < adapter->vfs_allocated_count &&
+	    adapter->vf_data[vfn].vlans_enabled)
+		size += VLAN_TAG_SIZE;
+
+	vmolr = rd32(E1000_VMOLR(vfn));
+	vmolr &= ~E1000_VMOLR_RLPML_MASK;
+	vmolr |= size | E1000_VMOLR_LPE;
+	wr32(E1000_VMOLR(vfn), vmolr);
+
+	return 0;
+}
+
 /**
  * igb_rlpml_set - set maximum receive packet size
  * @adapter: board private structure
@@ -2366,12 +2341,43 @@ static void igb_rlpml_set(struct igb_adapter *adapter)
 	 * size and set the VMOLR RLPML to the size we need */
 	if (pf_id) {
 		igb_set_vf_rlpml(adapter, max_frame_size, pf_id);
-		max_frame_size = MAX_STD_JUMBO_FRAME_SIZE + VLAN_TAG_SIZE;
+		max_frame_size = MAX_JUMBO_FRAME_SIZE;
 	}
 
 	wr32(E1000_RLPML, max_frame_size);
 }
 
+static inline void igb_set_vmolr(struct igb_adapter *adapter, int vfn)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 vmolr;
+
+	/*
+	 * This register exists only on 82576 and newer so if we are older then
+	 * we should exit and do nothing
+	 */
+	if (hw->mac.type < e1000_82576)
+		return;
+
+	vmolr = rd32(E1000_VMOLR(vfn));
+	vmolr |= E1000_VMOLR_AUPE |        /* Accept untagged packets */
+	         E1000_VMOLR_STRVLAN;      /* Strip vlan tags */
+
+	/* clear all bits that might not be set */
+	vmolr &= ~(E1000_VMOLR_BAM | E1000_VMOLR_RSSE);
+
+	if (adapter->num_rx_queues > 1 && vfn == adapter->vfs_allocated_count)
+		vmolr |= E1000_VMOLR_RSSE; /* enable RSS */
+	/*
+	 * for VMDq only allow the VFs and pool 0 to accept broadcast and
+	 * multicast packets
+	 */
+	if (vfn <= adapter->vfs_allocated_count)
+		vmolr |= E1000_VMOLR_BAM;	   /* Accept broadcast */
+
+	wr32(E1000_VMOLR(vfn), vmolr);
+}
+
 /**
  * igb_configure_rx_ring - Configure a receive ring after Reset
  * @adapter: board private structure
@@ -2425,6 +2431,9 @@ void igb_configure_rx_ring(struct igb_adapter *adapter,
 
 	wr32(E1000_SRRCTL(reg_idx), srrctl);
 
+	/* set filtering for VMDQ pools */
+	igb_set_vmolr(adapter, reg_idx & 0x7);
+
 	/* enable receive descriptor fetching */
 	rxdctl = rd32(E1000_RXDCTL(reg_idx));
 	rxdctl |= E1000_RXDCTL_QUEUE_ENABLE;
@@ -4101,6 +4110,45 @@ static void igb_ping_all_vfs(struct igb_adapter *adapter)
 	}
 }
 
+static int igb_set_vf_promisc(struct igb_adapter *adapter, u32 *msgbuf, u32 vf)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 vmolr = rd32(E1000_VMOLR(vf));
+	struct vf_data_storage *vf_data = &adapter->vf_data[vf];
+
+	vf_data->flags |= ~(IGB_VF_FLAG_UNI_PROMISC |
+	                    IGB_VF_FLAG_MULTI_PROMISC);
+	vmolr &= ~(E1000_VMOLR_ROPE | E1000_VMOLR_ROMPE | E1000_VMOLR_MPME);
+
+	if (*msgbuf & E1000_VF_SET_PROMISC_MULTICAST) {
+		vmolr |= E1000_VMOLR_MPME;
+		*msgbuf &= ~E1000_VF_SET_PROMISC_MULTICAST;
+	} else {
+		/*
+		 * if we have hashes and we are clearing a multicast promisc
+		 * flag we need to write the hashes to the MTA as this step
+		 * was previously skipped
+		 */
+		if (vf_data->num_vf_mc_hashes > 30) {
+			vmolr |= E1000_VMOLR_MPME;
+		} else if (vf_data->num_vf_mc_hashes) {
+			int j;
+			vmolr |= E1000_VMOLR_ROMPE;
+			for (j = 0; j < vf_data->num_vf_mc_hashes; j++)
+				igb_mta_set(hw, vf_data->vf_mc_hashes[j]);
+		}
+	}
+
+	wr32(E1000_VMOLR(vf), vmolr);
+
+	/* there are flags left unprocessed, likely not supported */
+	if (*msgbuf & E1000_VT_MSGINFO_MASK)
+		return -EINVAL;
+
+	return 0;
+
+}
+
 static int igb_set_vf_multicasts(struct igb_adapter *adapter,
 				  u32 *msgbuf, u32 vf)
 {
@@ -4109,18 +4157,17 @@ static int igb_set_vf_multicasts(struct igb_adapter *adapter,
 	struct vf_data_storage *vf_data = &adapter->vf_data[vf];
 	int i;
 
-	/* only up to 30 hash values supported */
-	if (n > 30)
-		n = 30;
-
-	/* salt away the number of multi cast addresses assigned
+	/* salt away the number of multicast addresses assigned
 	 * to this VF for later use to restore when the PF multi cast
 	 * list changes
 	 */
 	vf_data->num_vf_mc_hashes = n;
 
-	/* VFs are limited to using the MTA hash table for their multicast
-	 * addresses */
+	/* only up to 30 hash values supported */
+	if (n > 30)
+		n = 30;
+
+	/* store the hashes for later use */
 	for (i = 0; i < n; i++)
 		vf_data->vf_mc_hashes[i] = hash_list[i];
 
@@ -4137,9 +4184,20 @@ static void igb_restore_vf_multicasts(struct igb_adapter *adapter)
 	int i, j;
 
 	for (i = 0; i < adapter->vfs_allocated_count; i++) {
+		u32 vmolr = rd32(E1000_VMOLR(i));
+		vmolr &= ~(E1000_VMOLR_ROMPE | E1000_VMOLR_MPME);
+
 		vf_data = &adapter->vf_data[i];
-		for (j = 0; j < vf_data->num_vf_mc_hashes; j++)
-			igb_mta_set(hw, vf_data->vf_mc_hashes[j]);
+
+		if ((vf_data->num_vf_mc_hashes > 30) ||
+		    (vf_data->flags & IGB_VF_FLAG_MULTI_PROMISC)) {
+			vmolr |= E1000_VMOLR_MPME;
+		} else if (vf_data->num_vf_mc_hashes) {
+			vmolr |= E1000_VMOLR_ROMPE;
+			for (j = 0; j < vf_data->num_vf_mc_hashes; j++)
+				igb_mta_set(hw, vf_data->vf_mc_hashes[j]);
+		}
+		wr32(E1000_VMOLR(i), vmolr);
 	}
 }
 
@@ -4282,7 +4340,7 @@ static inline void igb_vf_reset(struct igb_adapter *adapter, u32 vf)
 	adapter->vf_data[vf].last_nack = jiffies;
 
 	/* reset offloads to defaults */
-	igb_set_vmolr(&adapter->hw, vf);
+	igb_set_vmolr(adapter, vf);
 
 	/* reset vlans for device */
 	igb_clear_vf_vfta(adapter, vf);
@@ -4398,6 +4456,9 @@ static void igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf)
 	case E1000_VF_SET_MAC_ADDR:
 		retval = igb_set_vf_mac_addr(adapter, msgbuf, vf);
 		break;
+	case E1000_VF_SET_PROMISC:
+		retval = igb_set_vf_promisc(adapter, msgbuf, vf);
+		break;
 	case E1000_VF_SET_MULTICAST:
 		retval = igb_set_vf_multicasts(adapter, msgbuf, vf);
 		break;
-- 
GitLab


From 51466239fb9f95343e88c14475a0f99fe4882c54 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 23:47:35 +0000
Subject: [PATCH 0648/1815] igb: rework handling of the vfta and vlvf registers
 in relation to mng_vlan

This patch corrects some errors in how vlans are being handled when vfs
start interacting with the management vlans.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb_main.c | 94 +++++++++++++-------------------------
 1 file changed, 32 insertions(+), 62 deletions(-)

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 3ab297844d6..91709272ae1 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -963,24 +963,23 @@ static void igb_irq_enable(struct igb_adapter *adapter)
 
 static void igb_update_mng_vlan(struct igb_adapter *adapter)
 {
-	struct net_device *netdev = adapter->netdev;
+	struct e1000_hw *hw = &adapter->hw;
 	u16 vid = adapter->hw.mng_cookie.vlan_id;
 	u16 old_vid = adapter->mng_vlan_id;
-	if (adapter->vlgrp) {
-		if (!vlan_group_get_device(adapter->vlgrp, vid)) {
-			if (adapter->hw.mng_cookie.status &
-				E1000_MNG_DHCP_COOKIE_STATUS_VLAN) {
-				igb_vlan_rx_add_vid(netdev, vid);
-				adapter->mng_vlan_id = vid;
-			} else
-				adapter->mng_vlan_id = IGB_MNG_VLAN_NONE;
 
-			if ((old_vid != (u16)IGB_MNG_VLAN_NONE) &&
-					(vid != old_vid) &&
-			    !vlan_group_get_device(adapter->vlgrp, old_vid))
-				igb_vlan_rx_kill_vid(netdev, old_vid);
-		} else
-			adapter->mng_vlan_id = vid;
+	if (hw->mng_cookie.status & E1000_MNG_DHCP_COOKIE_STATUS_VLAN) {
+		/* add VID to filter table */
+		igb_vfta_set(hw, vid, true);
+		adapter->mng_vlan_id = vid;
+	} else {
+		adapter->mng_vlan_id = IGB_MNG_VLAN_NONE;
+	}
+
+	if ((old_vid != (u16)IGB_MNG_VLAN_NONE) &&
+	    (vid != old_vid) &&
+	    !vlan_group_get_device(adapter->vlgrp, old_vid)) {
+		/* remove VID from filter table */
+		igb_vfta_set(hw, old_vid, false);
 	}
 }
 
@@ -1847,11 +1846,6 @@ static int igb_open(struct net_device *netdev)
 
 	/* e1000_power_up_phy(adapter); */
 
-	adapter->mng_vlan_id = IGB_MNG_VLAN_NONE;
-	if ((adapter->hw.mng_cookie.status &
-	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN))
-		igb_update_mng_vlan(adapter);
-
 	/* before we allocate an interrupt, we must be ready to handle it.
 	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
 	 * as soon as we call pci_request_irq, so we have to setup our
@@ -1924,14 +1918,6 @@ static int igb_close(struct net_device *netdev)
 	igb_free_all_tx_resources(adapter);
 	igb_free_all_rx_resources(adapter);
 
-	/* kill manageability vlan ID if supported, but not if a vlan with
-	 * the same ID is registered on the host OS (let 8021q kill it) */
-	if ((adapter->hw.mng_cookie.status &
-			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
-	     !(adapter->vlgrp &&
-	       vlan_group_get_device(adapter->vlgrp, adapter->mng_vlan_id)))
-		igb_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
-
 	return 0;
 }
 
@@ -4235,7 +4221,11 @@ static s32 igb_vlvf_set(struct igb_adapter *adapter, u32 vid, bool add, u32 vf)
 	struct e1000_hw *hw = &adapter->hw;
 	u32 reg, i;
 
-	/* It is an error to call this function when VFs are not enabled */
+	/* The vlvf table only exists on 82576 hardware and newer */
+	if (hw->mac.type < e1000_82576)
+		return -1;
+
+	/* we only need to do this if VMDq is enabled */
 	if (!adapter->vfs_allocated_count)
 		return -1;
 
@@ -4265,16 +4255,12 @@ static s32 igb_vlvf_set(struct igb_adapter *adapter, u32 vid, bool add, u32 vf)
 
 			/* if !enabled we need to set this up in vfta */
 			if (!(reg & E1000_VLVF_VLANID_ENABLE)) {
-				/* add VID to filter table, if bit already set
-				 * PF must have added it outside of table */
-				if (igb_vfta_set(hw, vid, true))
-					reg |= 1 << (E1000_VLVF_POOLSEL_SHIFT +
-						adapter->vfs_allocated_count);
+				/* add VID to filter table */
+				igb_vfta_set(hw, vid, true);
 				reg |= E1000_VLVF_VLANID_ENABLE;
 			}
 			reg &= ~E1000_VLVF_VLANID_MASK;
 			reg |= vid;
-
 			wr32(E1000_VLVF(i), reg);
 
 			/* do not modify RLPML for PF devices */
@@ -4290,8 +4276,8 @@ static s32 igb_vlvf_set(struct igb_adapter *adapter, u32 vid, bool add, u32 vf)
 				reg |= size;
 				wr32(E1000_VMOLR(vf), reg);
 			}
-			adapter->vf_data[vf].vlans_enabled++;
 
+			adapter->vf_data[vf].vlans_enabled++;
 			return 0;
 		}
 	} else {
@@ -5393,21 +5379,15 @@ static void igb_vlan_rx_register(struct net_device *netdev,
 		ctrl |= E1000_CTRL_VME;
 		wr32(E1000_CTRL, ctrl);
 
-		/* enable VLAN receive filtering */
+		/* Disable CFI check */
 		rctl = rd32(E1000_RCTL);
 		rctl &= ~E1000_RCTL_CFIEN;
 		wr32(E1000_RCTL, rctl);
-		igb_update_mng_vlan(adapter);
 	} else {
 		/* disable VLAN tag insert/strip */
 		ctrl = rd32(E1000_CTRL);
 		ctrl &= ~E1000_CTRL_VME;
 		wr32(E1000_CTRL, ctrl);
-
-		if (adapter->mng_vlan_id != (u16)IGB_MNG_VLAN_NONE) {
-			igb_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
-			adapter->mng_vlan_id = IGB_MNG_VLAN_NONE;
-		}
 	}
 
 	igb_rlpml_set(adapter);
@@ -5422,16 +5402,11 @@ static void igb_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
 	struct e1000_hw *hw = &adapter->hw;
 	int pf_id = adapter->vfs_allocated_count;
 
-	if ((hw->mng_cookie.status &
-	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
-	    (vid == adapter->mng_vlan_id))
-		return;
-
-	/* add vid to vlvf if sr-iov is enabled,
-	 * if that fails add directly to filter table */
-	if (igb_vlvf_set(adapter, vid, true, pf_id))
-		igb_vfta_set(hw, vid, true);
+	/* attempt to add filter to vlvf array */
+	igb_vlvf_set(adapter, vid, true, pf_id);
 
+	/* add the filter since PF can receive vlans w/o entry in vlvf */
+	igb_vfta_set(hw, vid, true);
 }
 
 static void igb_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
@@ -5439,6 +5414,7 @@ static void igb_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
 	struct igb_adapter *adapter = netdev_priv(netdev);
 	struct e1000_hw *hw = &adapter->hw;
 	int pf_id = adapter->vfs_allocated_count;
+	s32 err;
 
 	igb_irq_disable(adapter);
 	vlan_group_set_device(adapter->vlgrp, vid, NULL);
@@ -5446,17 +5422,11 @@ static void igb_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
 	if (!test_bit(__IGB_DOWN, &adapter->state))
 		igb_irq_enable(adapter);
 
-	if ((adapter->hw.mng_cookie.status &
-	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
-	    (vid == adapter->mng_vlan_id)) {
-		/* release control to f/w */
-		igb_release_hw_control(adapter);
-		return;
-	}
+	/* remove vlan from VLVF table array */
+	err = igb_vlvf_set(adapter, vid, false, pf_id);
 
-	/* remove vid from vlvf if sr-iov is enabled,
-	 * if not in vlvf remove from vfta */
-	if (igb_vlvf_set(adapter, vid, false, pf_id))
+	/* if vid was not present in VLVF just remove it from table */
+	if (err)
 		igb_vfta_set(hw, vid, false);
 }
 
-- 
GitLab


From a6b623e0e5787ba5ffd2a3c4448ff6d1eaa904a9 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 23:47:53 +0000
Subject: [PATCH 0649/1815] igb: move vf init into a seperate function

This patch moves VF initialization into a seperate function to help improve
the readability of igb_probe.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb_main.c | 98 ++++++++++++++++++++++----------------
 1 file changed, 56 insertions(+), 42 deletions(-)

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 91709272ae1..54e8f02929d 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -1409,46 +1409,6 @@ static int __devinit igb_probe(struct pci_dev *pdev,
 	if (err)
 		goto err_sw_init;
 
-#ifdef CONFIG_PCI_IOV
-	/* since iov functionality isn't critical to base device function we
-	 * can accept failure.  If it fails we don't allow iov to be enabled */
-	if (hw->mac.type == e1000_82576) {
-		/* 82576 supports a maximum of 7 VFs in addition to the PF */
-		unsigned int num_vfs = (max_vfs > 7) ? 7 : max_vfs;
-		int i;
-		unsigned char mac_addr[ETH_ALEN];
-
-		if (num_vfs) {
-			adapter->vf_data = kcalloc(num_vfs,
-						sizeof(struct vf_data_storage),
-						GFP_KERNEL);
-			if (!adapter->vf_data) {
-				dev_err(&pdev->dev,
-				        "Could not allocate VF private data - "
-					"IOV enable failed\n");
-			} else {
-				err = pci_enable_sriov(pdev, num_vfs);
-				if (!err) {
-					adapter->vfs_allocated_count = num_vfs;
-					dev_info(&pdev->dev,
-					         "%d vfs allocated\n",
-					         num_vfs);
-					for (i = 0;
-					     i < adapter->vfs_allocated_count;
-					     i++) {
-						random_ether_addr(mac_addr);
-						igb_set_vf_mac(adapter, i,
-						               mac_addr);
-					}
-				} else {
-					kfree(adapter->vf_data);
-					adapter->vf_data = NULL;
-				}
-			}
-		}
-	}
-
-#endif
 	/* setup the private structure */
 	err = igb_sw_init(adapter);
 	if (err)
@@ -1771,6 +1731,54 @@ static void __devexit igb_remove(struct pci_dev *pdev)
 	pci_disable_device(pdev);
 }
 
+/**
+ * igb_probe_vfs - Initialize vf data storage and add VFs to pci config space
+ * @adapter: board private structure to initialize
+ *
+ * This function initializes the vf specific data storage and then attempts to
+ * allocate the VFs.  The reason for ordering it this way is because it is much
+ * mor expensive time wise to disable SR-IOV than it is to allocate and free
+ * the memory for the VFs.
+ **/
+static void __devinit igb_probe_vfs(struct igb_adapter * adapter)
+{
+#ifdef CONFIG_PCI_IOV
+	struct pci_dev *pdev = adapter->pdev;
+
+	if (adapter->vfs_allocated_count > 7)
+		adapter->vfs_allocated_count = 7;
+
+	if (adapter->vfs_allocated_count) {
+		adapter->vf_data = kcalloc(adapter->vfs_allocated_count,
+		                           sizeof(struct vf_data_storage),
+		                           GFP_KERNEL);
+		/* if allocation failed then we do not support SR-IOV */
+		if (!adapter->vf_data) {
+			adapter->vfs_allocated_count = 0;
+			dev_err(&pdev->dev, "Unable to allocate memory for VF "
+			        "Data Storage\n");
+		}
+	}
+
+	if (pci_enable_sriov(pdev, adapter->vfs_allocated_count)) {
+		kfree(adapter->vf_data);
+		adapter->vf_data = NULL;
+#endif /* CONFIG_PCI_IOV */
+		adapter->vfs_allocated_count = 0;
+#ifdef CONFIG_PCI_IOV
+	} else {
+		unsigned char mac_addr[ETH_ALEN];
+		int i;
+		dev_info(&pdev->dev, "%d vfs allocated\n",
+		         adapter->vfs_allocated_count);
+		for (i = 0; i < adapter->vfs_allocated_count; i++) {
+			random_ether_addr(mac_addr);
+			igb_set_vf_mac(adapter, i, mac_addr);
+		}
+	}
+#endif /* CONFIG_PCI_IOV */
+}
+
 /**
  * igb_sw_init - Initialize general software structures (struct igb_adapter)
  * @adapter: board private structure to initialize
@@ -1795,13 +1803,19 @@ static int __devinit igb_sw_init(struct igb_adapter *adapter)
 	adapter->max_frame_size = netdev->mtu + ETH_HLEN + ETH_FCS_LEN;
 	adapter->min_frame_size = ETH_ZLEN + ETH_FCS_LEN;
 
-	/* This call may decrease the number of queues depending on
-	 * interrupt mode. */
+#ifdef CONFIG_PCI_IOV
+	if (hw->mac.type == e1000_82576)
+		adapter->vfs_allocated_count = max_vfs;
+
+#endif /* CONFIG_PCI_IOV */
+	/* This call may decrease the number of queues */
 	if (igb_init_interrupt_scheme(adapter)) {
 		dev_err(&pdev->dev, "Unable to allocate memory for queues\n");
 		return -ENOMEM;
 	}
 
+	igb_probe_vfs(adapter);
+
 	/* Explicitly disable IRQ since the NIC can be in any state. */
 	igb_irq_disable(adapter);
 
-- 
GitLab


From 3f9c01648146a256d8238292ac9c63fed7e00473 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 23:48:12 +0000
Subject: [PATCH 0650/1815] igb: only process global stats in igb_update_stats

This patch moves the update of adapter->net_stats.rx/tx values out of the
interrupt routine and into igb_update_stats by just adding together the
tx/rx byte/packet counts for the rings.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb_main.c | 61 ++++++++++++++++++--------------------
 1 file changed, 29 insertions(+), 32 deletions(-)

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 54e8f02929d..62b68769058 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -3769,7 +3769,10 @@ void igb_update_stats(struct igb_adapter *adapter)
 	struct net_device *netdev = adapter->netdev;
 	struct e1000_hw *hw = &adapter->hw;
 	struct pci_dev *pdev = adapter->pdev;
+	u32 rnbc;
 	u16 phy_tmp;
+	int i;
+	u64 bytes, packets;
 
 #define PHY_IDLE_ERROR_COUNT_MASK 0x00FF
 
@@ -3782,6 +3785,29 @@ void igb_update_stats(struct igb_adapter *adapter)
 	if (pci_channel_offline(pdev))
 		return;
 
+	bytes = 0;
+	packets = 0;
+	for (i = 0; i < adapter->num_rx_queues; i++) {
+		u32 rqdpc_tmp = rd32(E1000_RQDPC(i)) & 0x0FFF;
+		adapter->rx_ring[i].rx_stats.drops += rqdpc_tmp;
+		netdev->stats.rx_fifo_errors += rqdpc_tmp;
+		bytes += adapter->rx_ring[i].rx_stats.bytes;
+		packets += adapter->rx_ring[i].rx_stats.packets;
+	}
+
+	netdev->stats.rx_bytes = bytes;
+	netdev->stats.rx_packets = packets;
+
+	bytes = 0;
+	packets = 0;
+	for (i = 0; i < adapter->num_tx_queues; i++) {
+		bytes += adapter->tx_ring[i].tx_stats.bytes;
+		packets += adapter->tx_ring[i].tx_stats.packets;
+	}
+	netdev->stats.tx_bytes = bytes;
+	netdev->stats.tx_packets = packets;
+
+	/* read stats registers */
 	adapter->stats.crcerrs += rd32(E1000_CRCERRS);
 	adapter->stats.gprc += rd32(E1000_GPRC);
 	adapter->stats.gorc += rd32(E1000_GORCL);
@@ -3814,7 +3840,9 @@ void igb_update_stats(struct igb_adapter *adapter)
 	adapter->stats.gptc += rd32(E1000_GPTC);
 	adapter->stats.gotc += rd32(E1000_GOTCL);
 	rd32(E1000_GOTCH); /* clear GOTCL */
-	adapter->stats.rnbc += rd32(E1000_RNBC);
+	rnbc = rd32(E1000_RNBC);
+	adapter->stats.rnbc += rnbc;
+	netdev->stats.rx_fifo_errors += rnbc;
 	adapter->stats.ruc += rd32(E1000_RUC);
 	adapter->stats.rfc += rd32(E1000_RFC);
 	adapter->stats.rjc += rd32(E1000_RJC);
@@ -3861,33 +3889,6 @@ void igb_update_stats(struct igb_adapter *adapter)
 
 	/* Rx Errors */
 
-	if (hw->mac.type != e1000_82575) {
-		u32 rqdpc_tmp;
-		u64 rqdpc_total = 0;
-		int i;
-		/* Read out drops stats per RX queue.  Notice RQDPC (Receive
-		 * Queue Drop Packet Count) stats only gets incremented, if
-		 * the DROP_EN but it set (in the SRRCTL register for that
-		 * queue).  If DROP_EN bit is NOT set, then the some what
-		 * equivalent count is stored in RNBC (not per queue basis).
-		 * Also note the drop count is due to lack of available
-		 * descriptors.
-		 */
-		for (i = 0; i < adapter->num_rx_queues; i++) {
-			rqdpc_tmp = rd32(E1000_RQDPC(i)) & 0xFFF;
-			adapter->rx_ring[i].rx_stats.drops += rqdpc_tmp;
-			rqdpc_total += adapter->rx_ring[i].rx_stats.drops;
-		}
-		netdev->stats.rx_fifo_errors = rqdpc_total;
-	}
-
-	/* Note RNBC (Receive No Buffers Count) is an not an exact
-	 * drop count as the hardware FIFO might save the day.  Thats
-	 * one of the reason for saving it in rx_fifo_errors, as its
-	 * potentially not a true drop.
-	 */
-	netdev->stats.rx_fifo_errors += adapter->stats.rnbc;
-
 	/* RLEC on some newer hardware can be incorrect so build
 	 * our own version based on RUC and ROC */
 	netdev->stats.rx_errors = adapter->stats.rxerrc +
@@ -4818,8 +4819,6 @@ static bool igb_clean_tx_irq(struct igb_q_vector *q_vector)
 	tx_ring->total_packets += total_packets;
 	tx_ring->tx_stats.bytes += total_bytes;
 	tx_ring->tx_stats.packets += total_packets;
-	netdev->stats.tx_bytes += total_bytes;
-	netdev->stats.tx_packets += total_packets;
 	return (count < tx_ring->count);
 }
 
@@ -5043,8 +5042,6 @@ next_desc:
 	rx_ring->total_bytes += total_bytes;
 	rx_ring->rx_stats.packets += total_packets;
 	rx_ring->rx_stats.bytes += total_bytes;
-	netdev->stats.rx_bytes += total_bytes;
-	netdev->stats.rx_packets += total_packets;
 	return cleaned;
 }
 
-- 
GitLab


From 4337e993e13eb2f2e05dd65a3ab25b57c2f89d56 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 23:48:31 +0000
Subject: [PATCH 0651/1815] igb: move global_quad_port_a from global into local
 static define

This change moves global_quad_port_a into igb_probe as a static define
since it doesn't actually need to be global.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb_main.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 62b68769058..7f322115fd1 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -179,8 +179,6 @@ static struct pci_driver igb_driver = {
 	.err_handler = &igb_err_handler
 };
 
-static int global_quad_port_a; /* global quad port a indication */
-
 MODULE_AUTHOR("Intel Corporation, <e1000-devel@lists.sourceforge.net>");
 MODULE_DESCRIPTION("Intel(R) Gigabit Ethernet Network Driver");
 MODULE_LICENSE("GPL");
@@ -252,12 +250,9 @@ static int __init igb_init_module(void)
 
 	printk(KERN_INFO "%s\n", igb_copyright);
 
-	global_quad_port_a = 0;
-
 #ifdef CONFIG_IGB_DCA
 	dca_register_notify(&dca_notifier);
 #endif
-
 	ret = pci_register_driver(&igb_driver);
 	return ret;
 }
@@ -1318,10 +1313,11 @@ static int __devinit igb_probe(struct pci_dev *pdev,
 	struct net_device *netdev;
 	struct igb_adapter *adapter;
 	struct e1000_hw *hw;
+	u16 eeprom_data = 0;
+	static int global_quad_port_a; /* global quad port a indication */
 	const struct e1000_info *ei = igb_info_tbl[ent->driver_data];
 	unsigned long mmio_start, mmio_len;
 	int err, pci_using_dac;
-	u16 eeprom_data = 0;
 	u16 eeprom_apme_mask = IGB_EEPROM_APME;
 	u32 part_num;
 
-- 
GitLab


From f7ba205e823f32e634712323a221b42bfea06efa Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 23:48:51 +0000
Subject: [PATCH 0652/1815] igb: make tx hang check multiqueue, check eop
 descriptor

This change makes the tx hang check run over all tx queues instead of just
queue 0.  Also have hang display info on EOP descriptor instead of the
descriptor at the start of the chain.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb_main.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 7f322115fd1..f75f90ff813 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -3002,6 +3002,10 @@ link_up:
 		}
 	}
 
+	/* Force detection of hung controller every watchdog period */
+	for (i = 0; i < adapter->num_tx_queues; i++)
+		adapter->tx_ring[i].detect_tx_hung = true;
+
 	/* Cause software interrupt to ensure rx ring is cleaned */
 	if (adapter->msix_entries) {
 		u32 eics = 0;
@@ -3014,9 +3018,6 @@ link_up:
 		wr32(E1000_ICS, E1000_ICS_RXDMT0);
 	}
 
-	/* Force detection of hung controller every watchdog period */
-	tx_ring->detect_tx_hung = true;
-
 	/* Reset the timer */
 	if (!test_bit(__IGB_DOWN, &adapter->state))
 		mod_timer(&adapter->watchdog_timer,
@@ -3667,6 +3668,7 @@ static void igb_tx_timeout(struct net_device *netdev)
 
 	/* Do the reset outside of interrupt context */
 	adapter->tx_timeout_count++;
+
 	schedule_work(&adapter->reset_task);
 	wr32(E1000_EICS,
 	     (adapter->eims_enable_mask & ~adapter->eims_other));
@@ -4804,7 +4806,7 @@ static bool igb_clean_tx_irq(struct igb_q_vector *q_vector)
 				readl(tx_ring->tail),
 				tx_ring->next_to_use,
 				tx_ring->next_to_clean,
-				tx_ring->buffer_info[i].time_stamp,
+				tx_ring->buffer_info[eop].time_stamp,
 				eop,
 				jiffies,
 				eop_desc->wb.status);
-- 
GitLab


From 439705e1d7281cc8a4631a2dc390df7ad868bad8 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 23:49:20 +0000
Subject: [PATCH 0653/1815] igb: cleanup code related to ring resource
 allocation and free

This patch cleans up some of the ring alloc and free code to better handle
exceptions such as attempting to free resources on an already freed ring.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb_main.c | 29 +++++++++++++++++------------
 1 file changed, 17 insertions(+), 12 deletions(-)

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index f75f90ff813..e67ff0ea2a5 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -1952,7 +1952,8 @@ int igb_setup_tx_resources(struct igb_ring *tx_ring)
 	tx_ring->size = tx_ring->count * sizeof(union e1000_adv_tx_desc);
 	tx_ring->size = ALIGN(tx_ring->size, 4096);
 
-	tx_ring->desc = pci_alloc_consistent(pdev, tx_ring->size,
+	tx_ring->desc = pci_alloc_consistent(pdev,
+	                                     tx_ring->size,
 					     &tx_ring->dma);
 
 	if (!tx_ring->desc)
@@ -1978,13 +1979,13 @@ err:
  **/
 static int igb_setup_all_tx_resources(struct igb_adapter *adapter)
 {
+	struct pci_dev *pdev = adapter->pdev;
 	int i, err = 0;
-	int r_idx;
 
 	for (i = 0; i < adapter->num_tx_queues; i++) {
 		err = igb_setup_tx_resources(&adapter->tx_ring[i]);
 		if (err) {
-			dev_err(&adapter->pdev->dev,
+			dev_err(&pdev->dev,
 				"Allocation for Tx Queue %u failed\n", i);
 			for (i--; i >= 0; i--)
 				igb_free_tx_resources(&adapter->tx_ring[i]);
@@ -1993,7 +1994,7 @@ static int igb_setup_all_tx_resources(struct igb_adapter *adapter)
 	}
 
 	for (i = 0; i < IGB_MAX_TX_QUEUES; i++) {
-		r_idx = i % adapter->num_tx_queues;
+		int r_idx = i % adapter->num_tx_queues;
 		adapter->multi_tx_table[i] = &adapter->tx_ring[r_idx];
 	}
 	return err;
@@ -2116,6 +2117,7 @@ int igb_setup_rx_resources(struct igb_ring *rx_ring)
 
 err:
 	vfree(rx_ring->buffer_info);
+	rx_ring->buffer_info = NULL;
 	dev_err(&pdev->dev, "Unable to allocate memory for "
 		"the receive descriptor ring\n");
 	return -ENOMEM;
@@ -2130,12 +2132,13 @@ err:
  **/
 static int igb_setup_all_rx_resources(struct igb_adapter *adapter)
 {
+	struct pci_dev *pdev = adapter->pdev;
 	int i, err = 0;
 
 	for (i = 0; i < adapter->num_rx_queues; i++) {
 		err = igb_setup_rx_resources(&adapter->rx_ring[i]);
 		if (err) {
-			dev_err(&adapter->pdev->dev,
+			dev_err(&pdev->dev,
 				"Allocation for Rx Queue %u failed\n", i);
 			for (i--; i >= 0; i--)
 				igb_free_rx_resources(&adapter->rx_ring[i]);
@@ -2476,6 +2479,10 @@ void igb_free_tx_resources(struct igb_ring *tx_ring)
 	vfree(tx_ring->buffer_info);
 	tx_ring->buffer_info = NULL;
 
+	/* if not set, then don't free */
+	if (!tx_ring->desc)
+		return;
+
 	pci_free_consistent(tx_ring->pdev, tx_ring->size,
 	                    tx_ring->desc, tx_ring->dma);
 
@@ -2534,14 +2541,10 @@ static void igb_clean_tx_ring(struct igb_ring *tx_ring)
 	memset(tx_ring->buffer_info, 0, size);
 
 	/* Zero out the descriptor ring */
-
 	memset(tx_ring->desc, 0, tx_ring->size);
 
 	tx_ring->next_to_use = 0;
 	tx_ring->next_to_clean = 0;
-
-	writel(0, tx_ring->head);
-	writel(0, tx_ring->tail);
 }
 
 /**
@@ -2569,6 +2572,10 @@ void igb_free_rx_resources(struct igb_ring *rx_ring)
 	vfree(rx_ring->buffer_info);
 	rx_ring->buffer_info = NULL;
 
+	/* if not set, then don't free */
+	if (!rx_ring->desc)
+		return;
+
 	pci_free_consistent(rx_ring->pdev, rx_ring->size,
 	                    rx_ring->desc, rx_ring->dma);
 
@@ -2601,6 +2608,7 @@ static void igb_clean_rx_ring(struct igb_ring *rx_ring)
 
 	if (!rx_ring->buffer_info)
 		return;
+
 	/* Free all the Rx ring sk_buffs */
 	for (i = 0; i < rx_ring->count; i++) {
 		buffer_info = &rx_ring->buffer_info[i];
@@ -2638,9 +2646,6 @@ static void igb_clean_rx_ring(struct igb_ring *rx_ring)
 
 	rx_ring->next_to_clean = 0;
 	rx_ring->next_to_use = 0;
-
-	writel(0, rx_ring->head);
-	writel(0, rx_ring->tail);
 }
 
 /**
-- 
GitLab


From ee1b9f06dca9c406b159904e9b13ea2dfa5ed037 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 23:49:40 +0000
Subject: [PATCH 0654/1815] igb: change queue ordering for 82576 based adapters

This patch changes the queue ordering for 82576 adapters so that if VFs are
enabled the queues will first be allocated out of the PF pool.  Any
remaining queues will be allocated out of other VMDq pools.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb_main.c | 25 +++++++++++++------------
 1 file changed, 13 insertions(+), 12 deletions(-)

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index e67ff0ea2a5..52c43021c13 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -285,7 +285,7 @@ module_exit(igb_exit_module);
  **/
 static void igb_cache_ring_register(struct igb_adapter *adapter)
 {
-	int i;
+	int i = 0, j = 0;
 	u32 rbase_offset = adapter->vfs_allocated_count;
 
 	switch (adapter->hw.mac.type) {
@@ -295,19 +295,20 @@ static void igb_cache_ring_register(struct igb_adapter *adapter)
 		 * In order to avoid collision we start at the first free queue
 		 * and continue consuming queues in the same sequence
 		 */
-		for (i = 0; i < adapter->num_rx_queues; i++)
-			adapter->rx_ring[i].reg_idx = rbase_offset +
-			                              Q_IDX_82576(i);
-		for (i = 0; i < adapter->num_tx_queues; i++)
-			adapter->tx_ring[i].reg_idx = rbase_offset +
-			                              Q_IDX_82576(i);
-		break;
+		if (adapter->vfs_allocated_count) {
+			for (; i < adapter->num_rx_queues; i++)
+				adapter->rx_ring[i].reg_idx = rbase_offset +
+				                              Q_IDX_82576(i);
+			for (; j < adapter->num_tx_queues; j++)
+				adapter->tx_ring[j].reg_idx = rbase_offset +
+				                              Q_IDX_82576(j);
+		}
 	case e1000_82575:
 	default:
-		for (i = 0; i < adapter->num_rx_queues; i++)
-			adapter->rx_ring[i].reg_idx = i;
-		for (i = 0; i < adapter->num_tx_queues; i++)
-			adapter->tx_ring[i].reg_idx = i;
+		for (; i < adapter->num_rx_queues; i++)
+			adapter->rx_ring[i].reg_idx = rbase_offset + i;
+		for (; j < adapter->num_tx_queues; j++)
+			adapter->tx_ring[j].reg_idx = rbase_offset + j;
 		break;
 	}
 }
-- 
GitLab


From 25568a531a1bc76fdf968382a4eb65a979186c67 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 23:49:59 +0000
Subject: [PATCH 0655/1815] igb: cleanup interrupt enablement in regards to
 msix_other

This patch changes a few things so that instead of firing a link status
interrupt directly the get_link_status bit is set and the watchdog is
scheduled.  In addition the mailbox bit is now only enabled if VFs are
enabled.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb_main.c | 31 +++++++++++++++++++++++--------
 1 file changed, 23 insertions(+), 8 deletions(-)

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 52c43021c13..5b0f93911f3 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -919,6 +919,11 @@ static void igb_irq_disable(struct igb_adapter *adapter)
 {
 	struct e1000_hw *hw = &adapter->hw;
 
+	/*
+	 * we need to be careful when disabling interrupts.  The VFs are also
+	 * mapped into these registers and so clearing the bits can cause
+	 * issues on the VF drivers so we only need to clear what we set
+	 */
 	if (adapter->msix_entries) {
 		u32 regval = rd32(E1000_EIAM);
 		wr32(E1000_EIAM, regval & ~adapter->eims_enable_mask);
@@ -942,15 +947,17 @@ static void igb_irq_enable(struct igb_adapter *adapter)
 	struct e1000_hw *hw = &adapter->hw;
 
 	if (adapter->msix_entries) {
+		u32 ims = E1000_IMS_LSC | E1000_IMS_DOUTSYNC;
 		u32 regval = rd32(E1000_EIAC);
 		wr32(E1000_EIAC, regval | adapter->eims_enable_mask);
 		regval = rd32(E1000_EIAM);
 		wr32(E1000_EIAM, regval | adapter->eims_enable_mask);
 		wr32(E1000_EIMS, adapter->eims_enable_mask);
-		if (adapter->vfs_allocated_count)
+		if (adapter->vfs_allocated_count) {
 			wr32(E1000_MBVFIMR, 0xFF);
-		wr32(E1000_IMS, (E1000_IMS_LSC | E1000_IMS_VMMB |
-		                 E1000_IMS_DOUTSYNC));
+			ims |= E1000_IMS_VMMB;
+		}
+		wr32(E1000_IMS, ims);
 	} else {
 		wr32(E1000_IMS, IMS_ENABLE_MASK);
 		wr32(E1000_IAM, IMS_ENABLE_MASK);
@@ -1091,8 +1098,10 @@ int igb_up(struct igb_adapter *adapter)
 
 	netif_tx_start_all_queues(adapter->netdev);
 
-	/* Fire a link change interrupt to start the watchdog. */
-	wr32(E1000_ICS, E1000_ICS_LSC);
+	/* start the watchdog. */
+	hw->mac.get_link_status = 1;
+	schedule_work(&adapter->watchdog_task);
+
 	return 0;
 }
 
@@ -1889,8 +1898,9 @@ static int igb_open(struct net_device *netdev)
 
 	netif_tx_start_all_queues(netdev);
 
-	/* Fire a link status change interrupt to start the watchdog. */
-	wr32(E1000_ICS, E1000_ICS_LSC);
+	/* start the watchdog. */
+	hw->mac.get_link_status = 1;
+	schedule_work(&adapter->watchdog_task);
 
 	return 0;
 
@@ -3952,7 +3962,12 @@ static irqreturn_t igb_msix_other(int irq, void *data)
 			mod_timer(&adapter->watchdog_timer, jiffies + 1);
 	}
 
-	wr32(E1000_IMS, E1000_IMS_LSC | E1000_IMS_DOUTSYNC | E1000_IMS_VMMB);
+	if (adapter->vfs_allocated_count)
+		wr32(E1000_IMS, E1000_IMS_LSC |
+				E1000_IMS_VMMB |
+				E1000_IMS_DOUTSYNC);
+	else
+		wr32(E1000_IMS, E1000_IMS_LSC | E1000_IMS_DOUTSYNC);
 	wr32(E1000_EIMS, adapter->eims_other);
 
 	return IRQ_HANDLED;
-- 
GitLab


From 645a3abd73c2ac05d375f080d2f58d56e1502562 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 23:50:18 +0000
Subject: [PATCH 0656/1815] igb: Remove invalid stats counters

There are several counters being used like they are static when in fact
they are clear on read.  In order to prevent the values from being
incorrect I am removing the defunct counters.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb.h      |  6 ------
 drivers/net/igb/igb_main.c | 18 +-----------------
 2 files changed, 1 insertion(+), 23 deletions(-)

diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index c27dc1a8d0c..b9fcfd3c957 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -269,10 +269,6 @@ struct igb_adapter {
 	/* TX */
 	struct igb_ring *tx_ring;      /* One per active queue */
 	unsigned long tx_queue_len;
-	u32 gotc;
-	u64 gotc_old;
-	u64 tpt_old;
-	u64 colc_old;
 	u32 tx_timeout_count;
 
 	/* RX */
@@ -280,8 +276,6 @@ struct igb_adapter {
 	int num_tx_queues;
 	int num_rx_queues;
 
-	u32 gorc;
-	u64 gorc_old;
 	u32 max_frame_size;
 	u32 min_frame_size;
 
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 5b0f93911f3..cb1acca9ac9 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -2925,9 +2925,6 @@ static void igb_watchdog_task(struct work_struct *work)
 	int i;
 
 	link = igb_has_link(adapter);
-	if ((netif_carrier_ok(netdev)) && link)
-		goto link_up;
-
 	if (link) {
 		if (!netif_carrier_ok(netdev)) {
 			u32 ctrl;
@@ -2990,20 +2987,8 @@ static void igb_watchdog_task(struct work_struct *work)
 		}
 	}
 
-link_up:
 	igb_update_stats(adapter);
-
-	hw->mac.tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
-	adapter->tpt_old = adapter->stats.tpt;
-	hw->mac.collision_delta = adapter->stats.colc - adapter->colc_old;
-	adapter->colc_old = adapter->stats.colc;
-
-	adapter->gorc = adapter->stats.gorc - adapter->gorc_old;
-	adapter->gorc_old = adapter->stats.gorc;
-	adapter->gotc = adapter->stats.gotc - adapter->gotc_old;
-	adapter->gotc_old = adapter->stats.gotc;
-
-	igb_update_adaptive(&adapter->hw);
+	igb_update_adaptive(hw);
 
 	if (!netif_carrier_ok(netdev)) {
 		if (igb_desc_unused(tx_ring) + 1 < tx_ring->count) {
@@ -3875,7 +3860,6 @@ void igb_update_stats(struct igb_adapter *adapter)
 	adapter->stats.bptc += rd32(E1000_BPTC);
 
 	/* used for adaptive IFS */
-
 	hw->mac.tx_packet_delta = rd32(E1000_TPT);
 	adapter->stats.tpt += hw->mac.tx_packet_delta;
 	hw->mac.collision_delta = rd32(E1000_COLC);
-- 
GitLab


From 2e5655e758736488abbe9c024c8cda0e367214e5 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 23:50:38 +0000
Subject: [PATCH 0657/1815] igb: cleanup igb.h header whitespace and some
 structure formatting

This patch changes the layout of the ring and adapter structs to fill a few
holes in the structure.  It also cleans up some whitespace and formatting
issues.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb.h | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index b9fcfd3c957..3298f5a11da 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -185,16 +185,15 @@ struct igb_ring {
 	dma_addr_t dma;                /* phys address of the ring */
 	void *desc;                    /* descriptor ring memory */
 	unsigned int size;             /* length of desc. ring in bytes */
-	unsigned int count;            /* number of desc. in the ring */
+	u16 count;                     /* number of desc. in the ring */
 	u16 next_to_use;
 	u16 next_to_clean;
+	u8 queue_index;
+	u8 reg_idx;
 	void __iomem *head;
 	void __iomem *tail;
 	struct igb_buffer *buffer_info; /* array of buffer info structs */
 
-	u8 queue_index;
-	u8 reg_idx;
-
 	unsigned int total_bytes;
 	unsigned int total_packets;
 
@@ -249,6 +248,7 @@ struct igb_adapter {
 	u32 en_mng_pt;
 	u16 link_speed;
 	u16 link_duplex;
+
 	unsigned int total_tx_bytes;
 	unsigned int total_tx_packets;
 	unsigned int total_rx_bytes;
@@ -311,8 +311,8 @@ struct igb_adapter {
 	u32 eeprom_wol;
 
 	struct igb_ring *multi_tx_table[IGB_ABS_MAX_TX_QUEUES];
-	unsigned int tx_ring_count;
-	unsigned int rx_ring_count;
+	u16 tx_ring_count;
+	u16 rx_ring_count;
 	unsigned int vfs_allocated_count;
 	struct vf_data_storage *vf_data;
 };
-- 
GitLab


From cdfd01fcc674cc1c0c7b54084d74c2b684bf67c2 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 23:50:57 +0000
Subject: [PATCH 0658/1815] igb: cleanup igb xmit frame path

This patch cleans up the xmit frame path for igb to better handle xmit
frame errors and avoid null pointer exceptions.  It also cleans up some
whitespace issues found in the xmit frame path.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb_main.c | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index cb1acca9ac9..8f8b7ccc7db 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -3245,9 +3245,9 @@ set_itr_now:
 #define IGB_TX_FLAGS_VLAN		0x00000002
 #define IGB_TX_FLAGS_TSO		0x00000004
 #define IGB_TX_FLAGS_IPV4		0x00000008
-#define IGB_TX_FLAGS_TSTAMP             0x00000010
-#define IGB_TX_FLAGS_VLAN_MASK	0xffff0000
-#define IGB_TX_FLAGS_VLAN_SHIFT	16
+#define IGB_TX_FLAGS_TSTAMP		0x00000010
+#define IGB_TX_FLAGS_VLAN_MASK		0xffff0000
+#define IGB_TX_FLAGS_VLAN_SHIFT		        16
 
 static inline int igb_tso_adv(struct igb_ring *tx_ring,
 			      struct sk_buff *skb, u32 tx_flags, u8 *hdr_len)
@@ -3346,6 +3346,7 @@ static inline bool igb_tx_csum_adv(struct igb_ring *tx_ring,
 
 		if (tx_flags & IGB_TX_FLAGS_VLAN)
 			info |= (tx_flags & IGB_TX_FLAGS_VLAN_MASK);
+
 		info |= (skb_network_offset(skb) << E1000_ADVTXD_MACLEN_SHIFT);
 		if (skb->ip_summed == CHECKSUM_PARTIAL)
 			info |= skb_network_header_len(skb);
@@ -3462,17 +3463,17 @@ static inline int igb_tx_map_adv(struct igb_ring *tx_ring, struct sk_buff *skb,
 	tx_ring->buffer_info[i].skb = skb;
 	tx_ring->buffer_info[first].next_to_watch = i;
 
-	return count + 1;
+	return ++count;
 }
 
 static inline void igb_tx_queue_adv(struct igb_ring *tx_ring,
 				    int tx_flags, int count, u32 paylen,
 				    u8 hdr_len)
 {
-	union e1000_adv_tx_desc *tx_desc = NULL;
+	union e1000_adv_tx_desc *tx_desc;
 	struct igb_buffer *buffer_info;
 	u32 olinfo_status = 0, cmd_type_len;
-	unsigned int i;
+	unsigned int i = tx_ring->next_to_use;
 
 	cmd_type_len = (E1000_ADVTXD_DTYP_DATA | E1000_ADVTXD_DCMD_IFCS |
 			E1000_ADVTXD_DCMD_DEXT);
@@ -3505,18 +3506,18 @@ static inline void igb_tx_queue_adv(struct igb_ring *tx_ring,
 
 	olinfo_status |= ((paylen - hdr_len) << E1000_ADVTXD_PAYLEN_SHIFT);
 
-	i = tx_ring->next_to_use;
-	while (count--) {
+	do {
 		buffer_info = &tx_ring->buffer_info[i];
 		tx_desc = E1000_TX_DESC_ADV(*tx_ring, i);
 		tx_desc->read.buffer_addr = cpu_to_le64(buffer_info->dma);
 		tx_desc->read.cmd_type_len =
 			cpu_to_le32(cmd_type_len | buffer_info->length);
 		tx_desc->read.olinfo_status = cpu_to_le32(olinfo_status);
+		count--;
 		i++;
 		if (i == tx_ring->count)
 			i = 0;
-	}
+	} while (count > 0);
 
 	tx_desc->read.cmd_type_len |= cpu_to_le32(IGB_ADVTXD_DCMD);
 	/* Force memory writes to complete before letting h/w
@@ -3568,8 +3569,7 @@ netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *skb,
 	unsigned int first;
 	unsigned int tx_flags = 0;
 	u8 hdr_len = 0;
-	int count = 0;
-	int tso = 0;
+	int tso = 0, count;
 	union skb_shared_tx *shtx = skb_tx(skb);
 
 	/* need: 1 descriptor per page,
@@ -3587,7 +3587,7 @@ netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *skb,
 		tx_flags |= IGB_TX_FLAGS_TSTAMP;
 	}
 
-	if (adapter->vlgrp && vlan_tx_tag_present(skb)) {
+	if (vlan_tx_tag_present(skb) && adapter->vlgrp) {
 		tx_flags |= IGB_TX_FLAGS_VLAN;
 		tx_flags |= (vlan_tx_tag_get(skb) << IGB_TX_FLAGS_VLAN_SHIFT);
 	}
@@ -3598,6 +3598,7 @@ netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *skb,
 	first = tx_ring->next_to_use;
 	if (skb_is_gso(skb)) {
 		tso = igb_tso_adv(tx_ring, skb, tx_flags, &hdr_len);
+
 		if (tso < 0) {
 			dev_kfree_skb_any(skb);
 			return NETDEV_TX_OK;
@@ -3611,12 +3612,11 @@ netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *skb,
 		tx_flags |= IGB_TX_FLAGS_CSUM;
 
 	/*
-	 * count reflects descriptors mapped, if 0 then mapping error
+	 * count reflects descriptors mapped, if 0 or less then mapping error
 	 * has occured and we need to rewind the descriptor queue
 	 */
 	count = igb_tx_map_adv(tx_ring, skb, first);
-
-	if (!count) {
+	if (count <= 0) {
 		dev_kfree_skb_any(skb);
 		tx_ring->buffer_info[first].time_stamp = 0;
 		tx_ring->next_to_use = first;
-- 
GitLab


From 42d0781a1337ec5624da0657ba57b734768f489c Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 23:51:16 +0000
Subject: [PATCH 0659/1815] igb: cleanup clean_rx_irq_adv and
 alloc_rx_buffers_adv

This patch cleans up some whitespace issues in clean_rx_irq_adv.  It also
adds NUMA aware page allocation and dma error handling to
alloc_rx_buffers_adv.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb_main.c | 24 +++++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 8f8b7ccc7db..d3e831699b4 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -4952,6 +4952,7 @@ static bool igb_clean_rx_irq_adv(struct igb_q_vector *q_vector,
 		i++;
 		if (i == rx_ring->count)
 			i = 0;
+
 		next_rxd = E1000_RX_DESC_ADV(*rx_ring, i);
 		prefetch(next_rxd);
 		next_buffer = &rx_ring->buffer_info[i];
@@ -4989,7 +4990,6 @@ static bool igb_clean_rx_irq_adv(struct igb_q_vector *q_vector,
 
 			skb->len += length;
 			skb->data_len += length;
-
 			skb->truesize += length;
 		}
 
@@ -5071,7 +5071,7 @@ void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring, int cleaned_count)
 
 		if ((bufsz < IGB_RXBUFFER_1024) && !buffer_info->page_dma) {
 			if (!buffer_info->page) {
-				buffer_info->page = alloc_page(GFP_ATOMIC);
+				buffer_info->page = netdev_alloc_page(netdev);
 				if (!buffer_info->page) {
 					rx_ring->rx_stats.alloc_failed++;
 					goto no_buffers;
@@ -5085,9 +5085,16 @@ void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring, int cleaned_count)
 					     buffer_info->page_offset,
 					     PAGE_SIZE / 2,
 					     PCI_DMA_FROMDEVICE);
+			if (pci_dma_mapping_error(rx_ring->pdev,
+			                          buffer_info->page_dma)) {
+				buffer_info->page_dma = 0;
+				rx_ring->rx_stats.alloc_failed++;
+				goto no_buffers;
+			}
 		}
 
-		if (!buffer_info->skb) {
+		skb = buffer_info->skb;
+		if (!skb) {
 			skb = netdev_alloc_skb_ip_align(netdev, bufsz);
 			if (!skb) {
 				rx_ring->rx_stats.alloc_failed++;
@@ -5095,10 +5102,18 @@ void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring, int cleaned_count)
 			}
 
 			buffer_info->skb = skb;
+		}
+		if (!buffer_info->dma) {
 			buffer_info->dma = pci_map_single(rx_ring->pdev,
 			                                  skb->data,
 							  bufsz,
 							  PCI_DMA_FROMDEVICE);
+			if (pci_dma_mapping_error(rx_ring->pdev,
+			                          buffer_info->dma)) {
+				buffer_info->dma = 0;
+				rx_ring->rx_stats.alloc_failed++;
+				goto no_buffers;
+			}
 		}
 		/* Refresh the desc even if buffer_addrs didn't change because
 		 * each write-back erases this info. */
@@ -5107,8 +5122,7 @@ void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring, int cleaned_count)
 			     cpu_to_le64(buffer_info->page_dma);
 			rx_desc->read.hdr_addr = cpu_to_le64(buffer_info->dma);
 		} else {
-			rx_desc->read.pkt_addr =
-			     cpu_to_le64(buffer_info->dma);
+			rx_desc->read.pkt_addr = cpu_to_le64(buffer_info->dma);
 			rx_desc->read.hdr_addr = 0;
 		}
 
-- 
GitLab


From 330a6d6a7c75e11ca6da52092cfa96cda45d3386 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 23:51:35 +0000
Subject: [PATCH 0660/1815] igb: replace unecessary &adapter->hw with just hw
 where applicable

This patch just cleans up some unecessary references to the adapter->hw
member when it has already been placed in a local variable named hw.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb_main.c | 26 ++++++++++++--------------
 1 file changed, 12 insertions(+), 14 deletions(-)

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index d3e831699b4..b2c0c979628 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -1107,8 +1107,8 @@ int igb_up(struct igb_adapter *adapter)
 
 void igb_down(struct igb_adapter *adapter)
 {
-	struct e1000_hw *hw = &adapter->hw;
 	struct net_device *netdev = adapter->netdev;
+	struct e1000_hw *hw = &adapter->hw;
 	u32 tctl, rctl;
 	int i;
 
@@ -1271,10 +1271,10 @@ void igb_reset(struct igb_adapter *adapter)
 	}
 
 	/* Allow time for pending master requests to run */
-	adapter->hw.mac.ops.reset_hw(&adapter->hw);
+	hw->mac.ops.reset_hw(hw);
 	wr32(E1000_WUC, 0);
 
-	if (adapter->hw.mac.ops.init_hw(&adapter->hw))
+	if (hw->mac.ops.init_hw(hw))
 		dev_err(&adapter->pdev->dev, "Hardware Error\n");
 
 	igb_update_mng_vlan(adapter);
@@ -1282,8 +1282,8 @@ void igb_reset(struct igb_adapter *adapter)
 	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
 	wr32(E1000_VET, ETHERNET_IEEE_VLAN_TYPE);
 
-	igb_reset_adaptive(&adapter->hw);
-	igb_get_phy_info(&adapter->hw);
+	igb_reset_adaptive(hw);
+	igb_get_phy_info(hw);
 }
 
 static const struct net_device_ops igb_netdev_ops = {
@@ -1404,8 +1404,6 @@ static int __devinit igb_probe(struct pci_dev *pdev,
 	hw->subsystem_vendor_id = pdev->subsystem_vendor;
 	hw->subsystem_device_id = pdev->subsystem_device;
 
-	/* setup the private structure */
-	hw->back = adapter;
 	/* Copy the default MAC, PHY and NVM function pointers */
 	memcpy(&hw->mac.ops, ei->mac_ops, sizeof(hw->mac.ops));
 	memcpy(&hw->phy.ops, ei->phy_ops, sizeof(hw->phy.ops));
@@ -1460,7 +1458,7 @@ static int __devinit igb_probe(struct pci_dev *pdev,
 	if (adapter->hw.mac.type == e1000_82576)
 		netdev->features |= NETIF_F_SCTP_CSUM;
 
-	adapter->en_mng_pt = igb_enable_mng_pass_thru(&adapter->hw);
+	adapter->en_mng_pt = igb_enable_mng_pass_thru(hw);
 
 	/* before reading the NVM, reset the controller to put the device in a
 	 * known good starting state */
@@ -1705,8 +1703,8 @@ static void __devexit igb_remove(struct pci_dev *pdev)
 
 	unregister_netdev(netdev);
 
-	if (!igb_check_reset_block(&adapter->hw))
-		igb_reset_phy(&adapter->hw);
+	if (!igb_check_reset_block(hw))
+		igb_reset_phy(hw);
 
 	igb_clear_interrupt_scheme(adapter);
 
@@ -2928,9 +2926,9 @@ static void igb_watchdog_task(struct work_struct *work)
 	if (link) {
 		if (!netif_carrier_ok(netdev)) {
 			u32 ctrl;
-			hw->mac.ops.get_speed_and_duplex(&adapter->hw,
-						   &adapter->link_speed,
-						   &adapter->link_duplex);
+			hw->mac.ops.get_speed_and_duplex(hw,
+			                                 &adapter->link_speed,
+			                                 &adapter->link_duplex);
 
 			ctrl = rd32(E1000_CTRL);
 			/* Links status message must follow this format */
@@ -5552,7 +5550,7 @@ static int __igb_shutdown(struct pci_dev *pdev, bool *enable_wake)
 		wr32(E1000_CTRL, ctrl);
 
 		/* Allow time for pending master requests to run */
-		igb_disable_pcie_master(&adapter->hw);
+		igb_disable_pcie_master(hw);
 
 		wr32(E1000_WUC, E1000_WUC_PME_EN);
 		wr32(E1000_WUFC, wufc);
-- 
GitLab


From 090b17952826eb3c5d712b6d4f90a292fe4acc93 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 23:51:55 +0000
Subject: [PATCH 0661/1815] igb: add pci_dev in few spots to clean up use of
 dev_err/info/warn

This patch relpaces several references to adapter->pdev->dev with just
pdev->dev.  This allows for cleanup of several multiline dev_err/info
calls.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb_main.c | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index b2c0c979628..264ff005710 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -1173,6 +1173,7 @@ void igb_reinit_locked(struct igb_adapter *adapter)
 
 void igb_reset(struct igb_adapter *adapter)
 {
+	struct pci_dev *pdev = adapter->pdev;
 	struct e1000_hw *hw = &adapter->hw;
 	struct e1000_mac_info *mac = &hw->mac;
 	struct e1000_fc_info *fc = &hw->fc;
@@ -1275,7 +1276,7 @@ void igb_reset(struct igb_adapter *adapter)
 	wr32(E1000_WUC, 0);
 
 	if (hw->mac.ops.init_hw(hw))
-		dev_err(&adapter->pdev->dev, "Hardware Error\n");
+		dev_err(&pdev->dev, "Hardware Error\n");
 
 	igb_update_mng_vlan(adapter);
 
@@ -3704,17 +3705,18 @@ static struct net_device_stats *igb_get_stats(struct net_device *netdev)
 static int igb_change_mtu(struct net_device *netdev, int new_mtu)
 {
 	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct pci_dev *pdev = adapter->pdev;
 	int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN;
 	u32 rx_buffer_len, i;
 
 	if ((max_frame < ETH_ZLEN + ETH_FCS_LEN) ||
 	    (max_frame > MAX_JUMBO_FRAME_SIZE)) {
-		dev_err(&adapter->pdev->dev, "Invalid MTU setting\n");
+		dev_err(&pdev->dev, "Invalid MTU setting\n");
 		return -EINVAL;
 	}
 
 	if (max_frame > MAX_STD_JUMBO_FRAME_SIZE) {
-		dev_err(&adapter->pdev->dev, "MTU > 9216 not supported.\n");
+		dev_err(&pdev->dev, "MTU > 9216 not supported.\n");
 		return -EINVAL;
 	}
 
@@ -3739,7 +3741,7 @@ static int igb_change_mtu(struct net_device *netdev, int new_mtu)
 	if (netif_running(netdev))
 		igb_down(adapter);
 
-	dev_info(&adapter->pdev->dev, "changing MTU from %d to %d\n",
+	dev_info(&pdev->dev, "changing MTU from %d to %d\n",
 		 netdev->mtu, new_mtu);
 	netdev->mtu = new_mtu;
 
@@ -4053,6 +4055,7 @@ static int __igb_notify_dca(struct device *dev, void *data)
 {
 	struct net_device *netdev = dev_get_drvdata(dev);
 	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct pci_dev *pdev = adapter->pdev;
 	struct e1000_hw *hw = &adapter->hw;
 	unsigned long event = *(unsigned long *)data;
 
@@ -4061,12 +4064,9 @@ static int __igb_notify_dca(struct device *dev, void *data)
 		/* if already enabled, don't do it again */
 		if (adapter->flags & IGB_FLAG_DCA_ENABLED)
 			break;
-		/* Always use CB2 mode, difference is masked
-		 * in the CB driver. */
-		wr32(E1000_DCA_CTRL, E1000_DCA_CTRL_DCA_MODE_CB2);
 		if (dca_add_requester(dev) == 0) {
 			adapter->flags |= IGB_FLAG_DCA_ENABLED;
-			dev_info(&adapter->pdev->dev, "DCA enabled\n");
+			dev_info(&pdev->dev, "DCA enabled\n");
 			igb_setup_dca(adapter);
 			break;
 		}
@@ -4076,7 +4076,7 @@ static int __igb_notify_dca(struct device *dev, void *data)
 			/* without this a class_device is left
 			 * hanging around in the sysfs model */
 			dca_remove_requester(dev);
-			dev_info(&adapter->pdev->dev, "DCA disabled\n");
+			dev_info(&pdev->dev, "DCA disabled\n");
 			adapter->flags &= ~IGB_FLAG_DCA_ENABLED;
 			wr32(E1000_DCA_CTRL, E1000_DCA_CTRL_DCA_MODE_DISABLE);
 		}
@@ -4471,7 +4471,7 @@ static void igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf)
 		retval = igb_set_vf_vlan(adapter, msgbuf, vf);
 		break;
 	default:
-		dev_err(&adapter->pdev->dev, "Unhandled Msg %08x\n", msgbuf[0]);
+		dev_err(&pdev->dev, "Unhandled Msg %08x\n", msgbuf[0]);
 		retval = -1;
 		break;
 	}
@@ -5472,6 +5472,7 @@ static void igb_restore_vlan(struct igb_adapter *adapter)
 
 int igb_set_spd_dplx(struct igb_adapter *adapter, u16 spddplx)
 {
+	struct pci_dev *pdev = adapter->pdev;
 	struct e1000_mac_info *mac = &adapter->hw.mac;
 
 	mac->autoneg = 0;
@@ -5495,8 +5496,7 @@ int igb_set_spd_dplx(struct igb_adapter *adapter, u16 spddplx)
 		break;
 	case SPEED_1000 + DUPLEX_HALF: /* not supported */
 	default:
-		dev_err(&adapter->pdev->dev,
-			"Unsupported Speed/Duplex configuration\n");
+		dev_err(&pdev->dev, "Unsupported Speed/Duplex configuration\n");
 		return -EINVAL;
 	}
 	return 0;
-- 
GitLab


From c809d2276cb035228cd9e83e2ca7d2b902c61cef Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 23:52:13 +0000
Subject: [PATCH 0662/1815] igb: limit minimum mtu to 68 to keep ip bound to
 interface

Limit the minimum mtu to 68 in order to prevent ip from being unbound from
the interface.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb_main.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 264ff005710..846e64f0ad8 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -3709,8 +3709,7 @@ static int igb_change_mtu(struct net_device *netdev, int new_mtu)
 	int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN;
 	u32 rx_buffer_len, i;
 
-	if ((max_frame < ETH_ZLEN + ETH_FCS_LEN) ||
-	    (max_frame > MAX_JUMBO_FRAME_SIZE)) {
+	if ((new_mtu < 68) || (max_frame > MAX_JUMBO_FRAME_SIZE)) {
 		dev_err(&pdev->dev, "Invalid MTU setting\n");
 		return -EINVAL;
 	}
-- 
GitLab


From 5b043fb08e1b9e10eef7cc41512462f99811e96e Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 23:52:31 +0000
Subject: [PATCH 0663/1815] igb: open up SCTP checksum offloads to all MACs
 82576 and newer

Going forward the plan is to have the MACs support SCTP checksum offloads
so change the check from == to >=.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 846e64f0ad8..1a6c0745505 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -1456,7 +1456,7 @@ static int __devinit igb_probe(struct pci_dev *pdev,
 	if (pci_using_dac)
 		netdev->features |= NETIF_F_HIGHDMA;
 
-	if (adapter->hw.mac.type == e1000_82576)
+	if (hw->mac.type >= e1000_82576)
 		netdev->features |= NETIF_F_SCTP_CSUM;
 
 	adapter->en_mng_pt = igb_enable_mng_pass_thru(hw);
-- 
GitLab


From 559e9c4987e90e278db347b0a2ba423e7e496fd3 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 23:52:50 +0000
Subject: [PATCH 0664/1815] igb: cleanup whitespace issues in igb_main.c

This patch goes through and cleans up whitespace issues in igb_main.c
to help improve readability.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb_main.c | 41 ++++++++++++++++++--------------------
 1 file changed, 19 insertions(+), 22 deletions(-)

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 1a6c0745505..b044c985df0 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -1006,7 +1006,6 @@ static void igb_release_hw_control(struct igb_adapter *adapter)
 			ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
 }
 
-
 /**
  * igb_get_hw_control - get control of the h/w from f/w
  * @adapter: address of board private structure
@@ -1067,7 +1066,6 @@ static void igb_configure(struct igb_adapter *adapter)
  * igb_up - Open the interface and prepare it to handle traffic
  * @adapter: board private structure
  **/
-
 int igb_up(struct igb_adapter *adapter)
 {
 	struct e1000_hw *hw = &adapter->hw;
@@ -1288,7 +1286,7 @@ void igb_reset(struct igb_adapter *adapter)
 }
 
 static const struct net_device_ops igb_netdev_ops = {
-	.ndo_open 		= igb_open,
+	.ndo_open		= igb_open,
 	.ndo_stop		= igb_close,
 	.ndo_start_xmit		= igb_xmit_frame_adv,
 	.ndo_get_stats		= igb_get_stats,
@@ -1444,7 +1442,6 @@ static int __devinit igb_probe(struct pci_dev *pdev,
 	netdev->features |= NETIF_F_IPV6_CSUM;
 	netdev->features |= NETIF_F_TSO;
 	netdev->features |= NETIF_F_TSO6;
-
 	netdev->features |= NETIF_F_GRO;
 
 	netdev->vlan_features |= NETIF_F_TSO;
@@ -1569,7 +1566,6 @@ static int __devinit igb_probe(struct pci_dev *pdev,
 	}
 
 #endif
-
 	switch (hw->mac.type) {
 	case e1000_82576:
 		/*
@@ -1624,8 +1620,8 @@ static int __devinit igb_probe(struct pci_dev *pdev,
 	/* print bus type/speed/width info */
 	dev_info(&pdev->dev, "%s: (PCIe:%s:%s) %pM\n",
 		 netdev->name,
-		 ((hw->bus.speed == e1000_bus_speed_2500)
-		  ? "2.5Gb/s" : "unknown"),
+		 ((hw->bus.speed == e1000_bus_speed_2500) ? "2.5Gb/s" :
+		                                            "unknown"),
 		 ((hw->bus.width == e1000_bus_width_pcie_x4) ? "Width x4" :
 		  (hw->bus.width == e1000_bus_width_pcie_x2) ? "Width x2" :
 		  (hw->bus.width == e1000_bus_width_pcie_x1) ? "Width x1" :
@@ -1658,8 +1654,8 @@ err_sw_init:
 err_ioremap:
 	free_netdev(netdev);
 err_alloc_etherdev:
-	pci_release_selected_regions(pdev, pci_select_bars(pdev,
-	                             IORESOURCE_MEM));
+	pci_release_selected_regions(pdev,
+	                             pci_select_bars(pdev, IORESOURCE_MEM));
 err_pci_reg:
 err_dma:
 	pci_disable_device(pdev);
@@ -1723,11 +1719,12 @@ static void __devexit igb_remove(struct pci_dev *pdev)
 		dev_info(&pdev->dev, "IOV Disabled\n");
 	}
 #endif
+
 	iounmap(hw->hw_addr);
 	if (hw->flash_address)
 		iounmap(hw->flash_address);
-	pci_release_selected_regions(pdev, pci_select_bars(pdev,
-	                             IORESOURCE_MEM));
+	pci_release_selected_regions(pdev,
+	                             pci_select_bars(pdev, IORESOURCE_MEM));
 
 	free_netdev(netdev);
 
@@ -2288,9 +2285,7 @@ void igb_setup_rctl(struct igb_adapter *adapter)
 	 */
 	rctl |= E1000_RCTL_SECRC;
 
-	/*
-	 * disable store bad packets and clear size bits.
-	 */
+	/* disable store bad packets and clear size bits. */
 	rctl &= ~(E1000_RCTL_SBP | E1000_RCTL_SZ_256);
 
 	/* enable LPE to prevent packets larger than max_frame_size */
@@ -2916,7 +2911,8 @@ static void igb_watchdog(unsigned long data)
 static void igb_watchdog_task(struct work_struct *work)
 {
 	struct igb_adapter *adapter = container_of(work,
-					struct igb_adapter, watchdog_task);
+	                                           struct igb_adapter,
+                                                   watchdog_task);
 	struct e1000_hw *hw = &adapter->hw;
 	struct net_device *netdev = adapter->netdev;
 	struct igb_ring *tx_ring = adapter->tx_ring;
@@ -2935,14 +2931,14 @@ static void igb_watchdog_task(struct work_struct *work)
 			/* Links status message must follow this format */
 			printk(KERN_INFO "igb: %s NIC Link is Up %d Mbps %s, "
 				 "Flow Control: %s\n",
-			         netdev->name,
-				 adapter->link_speed,
-				 adapter->link_duplex == FULL_DUPLEX ?
+			       netdev->name,
+			       adapter->link_speed,
+			       adapter->link_duplex == FULL_DUPLEX ?
 				 "Full Duplex" : "Half Duplex",
-				 ((ctrl & E1000_CTRL_TFCE) && (ctrl &
-				 E1000_CTRL_RFCE)) ? "RX/TX" : ((ctrl &
-				 E1000_CTRL_RFCE) ? "RX" : ((ctrl &
-				 E1000_CTRL_TFCE) ? "TX" : "None")));
+			       ((ctrl & E1000_CTRL_TFCE) &&
+			        (ctrl & E1000_CTRL_RFCE)) ? "RX/TX" :
+			       ((ctrl & E1000_CTRL_RFCE) ?  "RX" :
+			       ((ctrl & E1000_CTRL_TFCE) ?  "TX" : "None")));
 
 			/* tweak tx_queue_len according to speed/duplex and
 			 * adjust the timeout factor */
@@ -3724,6 +3720,7 @@ static int igb_change_mtu(struct net_device *netdev, int new_mtu)
 
 	/* igb_down has a dependency on max_frame_size */
 	adapter->max_frame_size = max_frame;
+
 	/* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
 	 * means we reserve 2 more, this pushes us to allocate from the next
 	 * larger slab size.
-- 
GitLab


From d6b9076f1b5dd22b63f0178923f420f4e0f81a8d Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Wed, 28 Oct 2009 03:38:54 -0700
Subject: [PATCH 0665/1815] igb: Fix warnings in igb_set_ringparam()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

drivers/net/igb/igb_ethtool.c: In function ‘igb_set_ringparam’:
drivers/net/igb/igb_ethtool.c:744: warning: comparison of distinct pointer types lacks a cast
drivers/net/igb/igb_ethtool.c:748: warning: comparison of distinct pointer types lacks a cast

Casts were to u16 on the constant, but the type of new_{r,t}x_count is
u32.  Cast to u32 instead.

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb_ethtool.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
index d24b902ba7d..90b89a81f66 100644
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -741,11 +741,11 @@ static int igb_set_ringparam(struct net_device *netdev,
 		return -EINVAL;
 
 	new_rx_count = min(ring->rx_pending, (u32)IGB_MAX_RXD);
-	new_rx_count = max(new_rx_count, (u16)IGB_MIN_RXD);
+	new_rx_count = max(new_rx_count, (u32)IGB_MIN_RXD);
 	new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE);
 
 	new_tx_count = min(ring->tx_pending, (u32)IGB_MAX_TXD);
-	new_tx_count = max(new_tx_count, (u16)IGB_MIN_TXD);
+	new_tx_count = max(new_tx_count, (u32)IGB_MIN_TXD);
 	new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE);
 
 	if ((new_tx_count == adapter->tx_ring_count) &&
-- 
GitLab


From 31b73ab3efaa9c69bc72e04605c85ff8c8047b11 Mon Sep 17 00:00:00 2001
From: "Figo.zhang" <figo1802@gmail.com>
Date: Wed, 28 Oct 2009 03:55:24 -0700
Subject: [PATCH 0666/1815] NET/KS8695: add support NAPI for Rx

Add support NAPI Rx API for KS8695NET driver.

v2, change the Rx function to NAPI.

in <KS8695X Integrated Multi-port Gateway Solution Register Description
 v1.0>:

Interrupt Enable Register (offset 0xE204)
Bit29 : WAN MAC Receive Interrupt Enable
Bit16 : LAN MAC Receive Interrupt Enable

Interrupt Status Register (Offset 0xF208)
Bit29: WAN MAC Receive Status
Bit16: LAN MAC Receive Status

see arch/arm/mach-ks8695/devices.c:
ks8695_wan_resources[] and ks8695_lan_resources[]
have IORESOURCE_IRQ , it have define the RX irq,
for wan, irq = 29; for lan ,irq = 16.
so we can do this read the interrupt status:

unsigned long mask_bit = 1 << ksp->rx_irq;
status = readl(KS8695_IRQ_VA + KS8695_INTST);

Signed-off-by: Figo.zhang <figo1802@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/arm/ks8695net.c | 103 +++++++++++++++++++++++++++---------
 1 file changed, 78 insertions(+), 25 deletions(-)

diff --git a/drivers/net/arm/ks8695net.c b/drivers/net/arm/ks8695net.c
index 2a7b7745cc5..ed0b0f3b712 100644
--- a/drivers/net/arm/ks8695net.c
+++ b/drivers/net/arm/ks8695net.c
@@ -35,12 +35,15 @@
 
 #include <mach/regs-switch.h>
 #include <mach/regs-misc.h>
+#include <asm/mach/irq.h>
+#include <mach/regs-irq.h>
 
 #include "ks8695net.h"
 
 #define MODULENAME	"ks8695_ether"
 #define MODULEVERSION	"1.01"
 
+
 /*
  * Transmit and device reset timeout, default 5 seconds.
  */
@@ -152,6 +155,8 @@ struct ks8695_priv {
 	enum ks8695_dtype dtype;
 	void __iomem *io_regs;
 
+	struct napi_struct	napi;
+
 	const char *rx_irq_name, *tx_irq_name, *link_irq_name;
 	int rx_irq, tx_irq, link_irq;
 
@@ -172,6 +177,7 @@ struct ks8695_priv {
 	dma_addr_t rx_ring_dma;
 	struct ks8695_skbuff rx_buffers[MAX_RX_DESC];
 	int next_rx_desc_read;
+	spinlock_t rx_lock;
 
 	int msg_enable;
 };
@@ -396,25 +402,53 @@ ks8695_tx_irq(int irq, void *dev_id)
  *	@irq: The IRQ which went off (ignored)
  *	@dev_id: The net_device for the interrupt
  *
- *	Process the RX ring, passing any received packets up to the
- *	host.  If we received anything other than errors, we then
- *	refill the ring.
+ *	Use NAPI to receive packets.
  */
+
 static irqreturn_t
 ks8695_rx_irq(int irq, void *dev_id)
 {
 	struct net_device *ndev = (struct net_device *)dev_id;
+	struct ks8695_priv *ksp = netdev_priv(ndev);
+	unsigned long status;
+
+	unsigned long mask_bit = 1 << ksp->rx_irq;
+
+	spin_lock(&ksp->rx_lock);
+
+	status = readl(KS8695_IRQ_VA + KS8695_INTST);
+
+	/*clean rx status bit*/
+	writel(status | mask_bit , KS8695_IRQ_VA + KS8695_INTST);
+
+	if (status & mask_bit) {
+		if (napi_schedule_prep(&ksp->napi)) {
+			/*disable rx interrupt*/
+			status &= ~mask_bit;
+			writel(status , KS8695_IRQ_VA + KS8695_INTEN);
+			__napi_schedule(&ksp->napi);
+		}
+	}
+
+	spin_unlock(&ksp->rx_lock);
+	return IRQ_HANDLED;
+}
+
+static int ks8695_rx(struct net_device *ndev, int budget)
+{
 	struct ks8695_priv *ksp = netdev_priv(ndev);
 	struct sk_buff *skb;
 	int buff_n;
 	u32 flags;
 	int pktlen;
 	int last_rx_processed = -1;
+	int received = 0;
 
 	buff_n = ksp->next_rx_desc_read;
-	do {
-		if (ksp->rx_buffers[buff_n].skb &&
-		    !(ksp->rx_ring[buff_n].status & cpu_to_le32(RDES_OWN))) {
+	while (received < budget
+			&& ksp->rx_buffers[buff_n].skb
+			&& (!(ksp->rx_ring[buff_n].status &
+					cpu_to_le32(RDES_OWN)))) {
 			rmb();
 			flags = le32_to_cpu(ksp->rx_ring[buff_n].status);
 			/* Found an SKB which we own, this means we
@@ -464,7 +498,7 @@ ks8695_rx_irq(int irq, void *dev_id)
 			/* Relinquish the SKB to the network layer */
 			skb_put(skb, pktlen);
 			skb->protocol = eth_type_trans(skb, ndev);
-			netif_rx(skb);
+			netif_receive_skb(skb);
 
 			/* Record stats */
 			ndev->stats.rx_packets++;
@@ -478,29 +512,44 @@ rx_failure:
 			/* Give the ring entry back to the hardware */
 			ksp->rx_ring[buff_n].status = cpu_to_le32(RDES_OWN);
 rx_finished:
+			received++;
 			/* And note this as processed so we can start
 			 * from here next time
 			 */
 			last_rx_processed = buff_n;
-		} else {
-			/* Ran out of things to process, stop now */
-			break;
-		}
-		buff_n = (buff_n + 1) & MAX_RX_DESC_MASK;
-	} while (buff_n != ksp->next_rx_desc_read);
-
-	/* And note which RX descriptor we last did anything with */
-	if (likely(last_rx_processed != -1))
-		ksp->next_rx_desc_read =
-			(last_rx_processed + 1) & MAX_RX_DESC_MASK;
-
-	/* And refill the buffers */
-	ks8695_refill_rxbuffers(ksp);
-
-	/* Kick the RX DMA engine, in case it became suspended */
-	ks8695_writereg(ksp, KS8695_DRSC, 0);
+			buff_n = (buff_n + 1) & MAX_RX_DESC_MASK;
+			/*And note which RX descriptor we last did */
+			if (likely(last_rx_processed != -1))
+				ksp->next_rx_desc_read =
+					(last_rx_processed + 1) &
+					MAX_RX_DESC_MASK;
+
+			/* And refill the buffers */
+			ks8695_refill_rxbuffers(ksp);
+	}
+	return received;
+}
 
-	return IRQ_HANDLED;
+static int ks8695_poll(struct napi_struct *napi, int budget)
+{
+	struct ks8695_priv *ksp = container_of(napi, struct ks8695_priv, napi);
+	struct net_device *dev = ksp->ndev;
+	unsigned long mask_bit = 1 << ksp->rx_irq;
+	unsigned long isr = readl(KS8695_IRQ_VA + KS8695_INTEN);
+
+	unsigned long  work_done ;
+
+	work_done = ks8695_rx(dev, budget);
+
+	if (work_done < budget) {
+		unsigned long flags;
+		spin_lock_irqsave(&ksp->rx_lock, flags);
+		/*enable rx interrupt*/
+		writel(isr | mask_bit, KS8695_IRQ_VA + KS8695_INTEN);
+		__napi_complete(napi);
+		spin_unlock_irqrestore(&ksp->rx_lock, flags);
+	}
+	return work_done;
 }
 
 /**
@@ -1472,6 +1521,8 @@ ks8695_probe(struct platform_device *pdev)
 	SET_ETHTOOL_OPS(ndev, &ks8695_ethtool_ops);
 	ndev->watchdog_timeo	 = msecs_to_jiffies(watchdog);
 
+	netif_napi_add(ndev, &ksp->napi, ks8695_poll, 64);
+
 	/* Retrieve the default MAC addr from the chip. */
 	/* The bootloader should have left it in there for us. */
 
@@ -1505,6 +1556,7 @@ ks8695_probe(struct platform_device *pdev)
 
 	/* And initialise the queue's lock */
 	spin_lock_init(&ksp->txq_lock);
+	spin_lock_init(&ksp->rx_lock);
 
 	/* Specify the RX DMA ring buffer */
 	ksp->rx_ring = ksp->ring_base + TX_RING_DMA_SIZE;
@@ -1626,6 +1678,7 @@ ks8695_drv_remove(struct platform_device *pdev)
 	struct ks8695_priv *ksp = netdev_priv(ndev);
 
 	platform_set_drvdata(pdev, NULL);
+	netif_napi_del(&ksp->napi);
 
 	unregister_netdev(ndev);
 	ks8695_release_device(ksp);
-- 
GitLab


From 02c5c8ec170a159a563e22c67f8ca111071b8e9f Mon Sep 17 00:00:00 2001
From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Mon, 26 Oct 2009 03:46:21 +0000
Subject: [PATCH 0667/1815] tc35815: Fix return value of tc35815_do_interrupt
 when NAPI enabled

Return received count correctly even if tx completed at the same time.
Currently NAPI is disabled for this driver so this patch does not fix
any real problem.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tc35815.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/tc35815.c b/drivers/net/tc35815.c
index d1298e5b72c..3d3847904c0 100644
--- a/drivers/net/tc35815.c
+++ b/drivers/net/tc35815.c
@@ -1592,7 +1592,12 @@ static int tc35815_do_interrupt(struct net_device *dev, u32 status)
 		lp->lstats.tx_ints++;
 		tc35815_txdone(dev);
 		netif_wake_queue(dev);
+#ifdef TC35815_NAPI
+		if (ret < 0)
+			ret = 0;
+#else
 		ret = 0;
+#endif
 	}
 	return ret;
 }
-- 
GitLab


From b75c6dbb45a49289b90f885c7fb6d9ac39a21688 Mon Sep 17 00:00:00 2001
From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Mon, 26 Oct 2009 03:46:22 +0000
Subject: [PATCH 0668/1815] tc35815: Enable NAPI

This driver has NAPI code but it has been disabled.  Enable it now.
The non-napi code will be removed lator.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tc35815.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/tc35815.c b/drivers/net/tc35815.c
index 3d3847904c0..0d621ca5e27 100644
--- a/drivers/net/tc35815.c
+++ b/drivers/net/tc35815.c
@@ -22,6 +22,7 @@
  * All Rights Reserved.
  */
 
+#define TC35815_NAPI
 #ifdef TC35815_NAPI
 #define DRV_VERSION	"1.38-NAPI"
 #else
-- 
GitLab


From ac5e3af9996fb911d4fdff910a8ac3cb7fc63a94 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Mon, 26 Oct 2009 01:23:33 +0000
Subject: [PATCH 0669/1815] net: sysfs: ethtool_ops can be NULL

commit d519e17e2d01a0ee9abe083019532061b4438065
(net: export device speed and duplex via sysfs)
made the wrong assumption that netdev->ethtool_ops was always set.

This makes possible to crash kernel and let rtnl in locked state.

modprobe dummy
ip link set dummy0 up
(udev runs and crash)

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/net-sysfs.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 753c420060d..89de182353b 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -139,7 +139,9 @@ static ssize_t show_speed(struct device *dev,
 	if (!rtnl_trylock())
 		return restart_syscall();
 
-	if (netif_running(netdev) && netdev->ethtool_ops->get_settings) {
+	if (netif_running(netdev) &&
+	    netdev->ethtool_ops &&
+	    netdev->ethtool_ops->get_settings) {
 		struct ethtool_cmd cmd = { ETHTOOL_GSET };
 
 		if (!netdev->ethtool_ops->get_settings(netdev, &cmd))
@@ -158,7 +160,9 @@ static ssize_t show_duplex(struct device *dev,
 	if (!rtnl_trylock())
 		return restart_syscall();
 
-	if (netif_running(netdev) && netdev->ethtool_ops->get_settings) {
+	if (netif_running(netdev) &&
+	    netdev->ethtool_ops &&
+	    netdev->ethtool_ops->get_settings) {
 		struct ethtool_cmd cmd = { ETHTOOL_GSET };
 
 		if (!netdev->ethtool_ops->get_settings(netdev, &cmd))
-- 
GitLab


From ea84e5555a56e2013687b19b012bcf959d601128 Mon Sep 17 00:00:00 2001
From: Andreas Petlund <apetlund@simula.no>
Date: Tue, 27 Oct 2009 03:27:21 +0000
Subject: [PATCH 0670/1815] net: Corrected spelling error
 heurestics->heuristics

Corrected a spelling error in a function name.

Signed-off-by: Andreas Petlund <apetlund@simula.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/tcp_input.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index d86784be7ab..a0c3700bae3 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2300,7 +2300,7 @@ static inline int tcp_fackets_out(struct tcp_sock *tp)
  * they differ. Since neither occurs due to loss, TCP should really
  * ignore them.
  */
-static inline int tcp_dupack_heurestics(struct tcp_sock *tp)
+static inline int tcp_dupack_heuristics(struct tcp_sock *tp)
 {
 	return tcp_is_fack(tp) ? tp->fackets_out : tp->sacked_out + 1;
 }
@@ -2425,7 +2425,7 @@ static int tcp_time_to_recover(struct sock *sk)
 		return 1;
 
 	/* Not-A-Trick#2 : Classic rule... */
-	if (tcp_dupack_heurestics(tp) > tp->reordering)
+	if (tcp_dupack_heuristics(tp) > tp->reordering)
 		return 1;
 
 	/* Trick#3 : when we use RFC2988 timer restart, fast
-- 
GitLab


From 516b4df1ce49304c188704decf60275c72d4cae1 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Wed, 28 Oct 2009 04:01:46 -0700
Subject: [PATCH 0671/1815] via-velocity: Remove private device list

via-velocity maintains a list of its devices in order to determine
whether a netdev notification applies to one of them.  That can be
determined simply by checking the netdev_ops pointer, so the list can
be removed.

Compile-tested only.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/via-velocity.c | 39 +++-----------------------------------
 drivers/net/via-velocity.h |  2 --
 2 files changed, 3 insertions(+), 38 deletions(-)

diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index 144db6395c9..158f411bd55 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -364,11 +364,6 @@ static int rx_copybreak = 200;
 module_param(rx_copybreak, int, 0644);
 MODULE_PARM_DESC(rx_copybreak, "Copy breakpoint for copy-only-tiny-frames");
 
-#ifdef CONFIG_PM
-static DEFINE_SPINLOCK(velocity_dev_list_lock);
-static LIST_HEAD(velocity_dev_list);
-#endif
-
 /*
  *	Internal board variants. At the moment we have only one
  */
@@ -417,14 +412,6 @@ static void __devexit velocity_remove1(struct pci_dev *pdev)
 	struct net_device *dev = pci_get_drvdata(pdev);
 	struct velocity_info *vptr = netdev_priv(dev);
 
-#ifdef CONFIG_PM
-	unsigned long flags;
-
-	spin_lock_irqsave(&velocity_dev_list_lock, flags);
-	if (!list_empty(&velocity_dev_list))
-		list_del(&vptr->list);
-	spin_unlock_irqrestore(&velocity_dev_list_lock, flags);
-#endif
 	unregister_netdev(dev);
 	iounmap(vptr->mac_regs);
 	pci_release_regions(pdev);
@@ -2577,7 +2564,6 @@ static void __devinit velocity_init_info(struct pci_dev *pdev,
 	vptr->tx.numq = info->txqueue;
 	vptr->multicast_limit = MCAM_SIZE;
 	spin_lock_init(&vptr->lock);
-	INIT_LIST_HEAD(&vptr->list);
 }
 
 /**
@@ -2776,15 +2762,6 @@ static int __devinit velocity_found1(struct pci_dev *pdev, const struct pci_devi
 	/* and leave the chip powered down */
 
 	pci_set_power_state(pdev, PCI_D3hot);
-#ifdef CONFIG_PM
-	{
-		unsigned long flags;
-
-		spin_lock_irqsave(&velocity_dev_list_lock, flags);
-		list_add(&vptr->list, &velocity_dev_list);
-		spin_unlock_irqrestore(&velocity_dev_list_lock, flags);
-	}
-#endif
 	velocity_nics++;
 out:
 	return ret;
@@ -3240,20 +3217,10 @@ static int velocity_netdev_event(struct notifier_block *nb, unsigned long notifi
 {
 	struct in_ifaddr *ifa = (struct in_ifaddr *) ptr;
 	struct net_device *dev = ifa->ifa_dev->dev;
-	struct velocity_info *vptr;
-	unsigned long flags;
 
-	if (dev_net(dev) != &init_net)
-		return NOTIFY_DONE;
-
-	spin_lock_irqsave(&velocity_dev_list_lock, flags);
-	list_for_each_entry(vptr, &velocity_dev_list, list) {
-		if (vptr->dev == dev) {
-			velocity_get_ip(vptr);
-			break;
-		}
-	}
-	spin_unlock_irqrestore(&velocity_dev_list_lock, flags);
+	if (dev_net(dev) == &init_net &&
+	    dev->netdev_ops == &velocity_netdev_ops)
+		velocity_get_ip(netdev_priv(dev));
 
 	return NOTIFY_DONE;
 }
diff --git a/drivers/net/via-velocity.h b/drivers/net/via-velocity.h
index 2f00c13ab50..ce894ffa7c9 100644
--- a/drivers/net/via-velocity.h
+++ b/drivers/net/via-velocity.h
@@ -1499,8 +1499,6 @@ struct velocity_opt {
 #define GET_RD_BY_IDX(vptr, idx)   (vptr->rd_ring[idx])
 
 struct velocity_info {
-	struct list_head list;
-
 	struct pci_dev *pdev;
 	struct net_device *dev;
 
-- 
GitLab


From f50330f90b9aa42b7058650ce66b85f1b443ab11 Mon Sep 17 00:00:00 2001
From: Amit Kumar Salecha <amit@netxen.com>
Date: Sat, 24 Oct 2009 16:03:58 +0000
Subject: [PATCH 0672/1815] netxen: support for new firmware file format

Add support for extracting firmware from a unified
file format which embeds firmware images for all chip
revisions. Fallback to orginal file formats if new
image is not found.

Signed-off-by: Amit Kumar Salecha <amit@netxen.com>
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/netxen/netxen_nic.h      |  34 ++-
 drivers/net/netxen/netxen_nic_init.c | 307 +++++++++++++++++++++------
 2 files changed, 278 insertions(+), 63 deletions(-)

diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index e98cfa6baa8..5ba923bd9d7 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -421,6 +421,34 @@ struct status_desc {
 	__le64 status_desc_data[2];
 } __attribute__ ((aligned(16)));
 
+/* UNIFIED ROMIMAGE *************************/
+#define NX_UNI_FW_MIN_SIZE		0x3eb000
+#define NX_UNI_DIR_SECT_PRODUCT_TBL	0x0
+#define NX_UNI_DIR_SECT_BOOTLD		0x6
+#define NX_UNI_DIR_SECT_FW		0x7
+
+/*Offsets */
+#define NX_UNI_CHIP_REV_OFF		10
+#define NX_UNI_FLAGS_OFF		11
+#define NX_UNI_BIOS_VERSION_OFF 	12
+#define NX_UNI_BOOTLD_IDX_OFF		27
+#define NX_UNI_FIRMWARE_IDX_OFF 	29
+
+struct uni_table_desc{
+	uint32_t	findex;
+	uint32_t	num_entries;
+	uint32_t	entry_size;
+	uint32_t	reserved[5];
+};
+
+struct uni_data_desc{
+	uint32_t	findex;
+	uint32_t	size;
+	uint32_t	reserved[5];
+};
+
+/* UNIFIED ROMIMAGE *************************/
+
 /* The version of the main data structure */
 #define	NETXEN_BDINFO_VERSION 1
 
@@ -487,7 +515,9 @@ struct status_desc {
 #define NX_P2_MN_ROMIMAGE	0
 #define NX_P3_CT_ROMIMAGE	1
 #define NX_P3_MN_ROMIMAGE	2
-#define NX_FLASH_ROMIMAGE	3
+#define NX_UNIFIED_ROMIMAGE	3
+#define NX_FLASH_ROMIMAGE	4
+#define NX_UNKNOWN_ROMIMAGE	0xff
 
 extern char netxen_nic_driver_name[];
 
@@ -1210,7 +1240,7 @@ struct netxen_adapter {
 	nx_nic_intr_coalesce_t coal;
 
 	unsigned long state;
-	u32 resv5;
+	__le32 file_prd_off;	/*File fw product offset*/
 	u32 fw_version;
 	const struct firmware *fw;
 };
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index 27d20cbae0a..e84a3bae779 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -46,6 +46,7 @@ static unsigned int crb_addr_xform[NETXEN_MAX_CRB_XFORM];
 static void
 netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter,
 		struct nx_host_rds_ring *rds_ring);
+static int netxen_p3_has_mn(struct netxen_adapter *adapter);
 
 static void crb_addr_transform_setup(void)
 {
@@ -589,6 +590,172 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter)
 	return 0;
 }
 
+static struct uni_table_desc *nx_get_table_desc(const u8 *unirom, int section)
+{
+	uint32_t i;
+	struct uni_table_desc *directory = (struct uni_table_desc *) &unirom[0];
+	__le32 entries = cpu_to_le32(directory->num_entries);
+
+	for (i = 0; i < entries; i++) {
+
+		__le32 offs = cpu_to_le32(directory->findex) +
+				(i * cpu_to_le32(directory->entry_size));
+		__le32 tab_type = cpu_to_le32(*((u32 *)&unirom[offs] + 8));
+
+		if (tab_type == section)
+			return (struct uni_table_desc *) &unirom[offs];
+	}
+
+	return NULL;
+}
+
+static int
+nx_set_product_offs(struct netxen_adapter *adapter)
+{
+	struct uni_table_desc *ptab_descr;
+	const u8 *unirom = adapter->fw->data;
+	uint32_t i;
+	__le32 entries;
+
+	ptab_descr = nx_get_table_desc(unirom, NX_UNI_DIR_SECT_PRODUCT_TBL);
+	if (ptab_descr == NULL)
+		return -1;
+
+	entries = cpu_to_le32(ptab_descr->num_entries);
+
+	for (i = 0; i < entries; i++) {
+
+		__le32 flags, file_chiprev, offs;
+		u8 chiprev = adapter->ahw.revision_id;
+		int mn_present = netxen_p3_has_mn(adapter);
+		uint32_t flagbit;
+
+		offs = cpu_to_le32(ptab_descr->findex) +
+				(i * cpu_to_le32(ptab_descr->entry_size));
+		flags = cpu_to_le32(*((int *)&unirom[offs] + NX_UNI_FLAGS_OFF));
+		file_chiprev = cpu_to_le32(*((int *)&unirom[offs] +
+							NX_UNI_CHIP_REV_OFF));
+
+		flagbit = mn_present ? 1 : 2;
+
+		if ((chiprev == file_chiprev) &&
+					((1ULL << flagbit) & flags)) {
+			adapter->file_prd_off = offs;
+			return 0;
+		}
+	}
+
+	return -1;
+}
+
+
+static struct uni_data_desc *nx_get_data_desc(struct netxen_adapter *adapter,
+			u32 section, u32 idx_offset)
+{
+	const u8 *unirom = adapter->fw->data;
+	int idx = cpu_to_le32(*((int *)&unirom[adapter->file_prd_off] +
+								idx_offset));
+	struct uni_table_desc *tab_desc;
+	__le32 offs;
+
+	tab_desc = nx_get_table_desc(unirom, section);
+
+	if (tab_desc == NULL)
+		return NULL;
+
+	offs = cpu_to_le32(tab_desc->findex) +
+			(cpu_to_le32(tab_desc->entry_size) * idx);
+
+	return (struct uni_data_desc *)&unirom[offs];
+}
+
+static u8 *
+nx_get_bootld_offs(struct netxen_adapter *adapter)
+{
+	u32 offs = NETXEN_BOOTLD_START;
+
+	if (adapter->fw_type == NX_UNIFIED_ROMIMAGE)
+		offs = cpu_to_le32((nx_get_data_desc(adapter,
+					NX_UNI_DIR_SECT_BOOTLD,
+					NX_UNI_BOOTLD_IDX_OFF))->findex);
+
+	return (u8 *)&adapter->fw->data[offs];
+}
+
+static u8 *
+nx_get_fw_offs(struct netxen_adapter *adapter)
+{
+	u32 offs = NETXEN_IMAGE_START;
+
+	if (adapter->fw_type == NX_UNIFIED_ROMIMAGE)
+		offs = cpu_to_le32((nx_get_data_desc(adapter,
+					NX_UNI_DIR_SECT_FW,
+					NX_UNI_FIRMWARE_IDX_OFF))->findex);
+
+	return (u8 *)&adapter->fw->data[offs];
+}
+
+static __le32
+nx_get_fw_size(struct netxen_adapter *adapter)
+{
+	if (adapter->fw_type == NX_UNIFIED_ROMIMAGE)
+		return cpu_to_le32((nx_get_data_desc(adapter,
+					NX_UNI_DIR_SECT_FW,
+					NX_UNI_FIRMWARE_IDX_OFF))->size);
+	else
+		return cpu_to_le32(
+				*(u32 *)&adapter->fw->data[NX_FW_SIZE_OFFSET]);
+}
+
+static __le32
+nx_get_fw_version(struct netxen_adapter *adapter)
+{
+	struct uni_data_desc *fw_data_desc;
+	const struct firmware *fw = adapter->fw;
+	__le32 major, minor, sub;
+	const u8 *ver_str;
+	int i, ret = 0;
+
+	if (adapter->fw_type == NX_UNIFIED_ROMIMAGE) {
+
+		fw_data_desc = nx_get_data_desc(adapter,
+				NX_UNI_DIR_SECT_FW, NX_UNI_FIRMWARE_IDX_OFF);
+		ver_str = fw->data + cpu_to_le32(fw_data_desc->findex) +
+				cpu_to_le32(fw_data_desc->size) - 17;
+
+		for (i = 0; i < 12; i++) {
+			if (!strncmp(&ver_str[i], "REV=", 4)) {
+				ret = sscanf(&ver_str[i+4], "%u.%u.%u ",
+							&major, &minor, &sub);
+				break;
+			}
+		}
+
+		if (ret != 3)
+			return 0;
+
+		return major + (minor << 8) + (sub << 16);
+
+	} else
+		return cpu_to_le32(*(u32 *)&fw->data[NX_FW_VERSION_OFFSET]);
+}
+
+static __le32
+nx_get_bios_version(struct netxen_adapter *adapter)
+{
+	const struct firmware *fw = adapter->fw;
+	__le32 bios_ver, prd_off = adapter->file_prd_off;
+
+	if (adapter->fw_type == NX_UNIFIED_ROMIMAGE) {
+		bios_ver = cpu_to_le32(*((u32 *) (&fw->data[prd_off])
+						+ NX_UNI_BIOS_VERSION_OFF));
+		return (bios_ver << 24) + ((bios_ver >> 8) & 0xff00) +
+							(bios_ver >> 24);
+	} else
+		return cpu_to_le32(*(u32 *)&fw->data[NX_BIOS_VERSION_OFFSET]);
+
+}
+
 int
 netxen_need_fw_reset(struct netxen_adapter *adapter)
 {
@@ -628,9 +795,8 @@ netxen_need_fw_reset(struct netxen_adapter *adapter)
 	/* check if we have got newer or different file firmware */
 	if (adapter->fw) {
 
-		const struct firmware *fw = adapter->fw;
+		val = nx_get_fw_version(adapter);
 
-		val = cpu_to_le32(*(u32 *)&fw->data[NX_FW_VERSION_OFFSET]);
 		version = NETXEN_DECODE_VERSION(val);
 
 		major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR);
@@ -640,7 +806,8 @@ netxen_need_fw_reset(struct netxen_adapter *adapter)
 		if (version > NETXEN_VERSION_CODE(major, minor, build))
 			return 1;
 
-		if (version == NETXEN_VERSION_CODE(major, minor, build)) {
+		if (version == NETXEN_VERSION_CODE(major, minor, build) &&
+			adapter->fw_type != NX_UNIFIED_ROMIMAGE) {
 
 			val = NXRD32(adapter, NETXEN_MIU_MN_CONTROL);
 			fw_type = (val & 0x4) ?
@@ -655,7 +822,7 @@ netxen_need_fw_reset(struct netxen_adapter *adapter)
 }
 
 static char *fw_name[] = {
-	"nxromimg.bin", "nx3fwct.bin", "nx3fwmn.bin", "flash",
+	"nxromimg.bin", "nx3fwct.bin", "nx3fwmn.bin", "phanfw.bin", "flash",
 };
 
 int
@@ -677,22 +844,21 @@ netxen_load_firmware(struct netxen_adapter *adapter)
 
 		size = (NETXEN_IMAGE_START - NETXEN_BOOTLD_START) / 8;
 
-		ptr64 = (u64 *)&fw->data[NETXEN_BOOTLD_START];
+		ptr64 = (u64 *)nx_get_bootld_offs(adapter);
 		flashaddr = NETXEN_BOOTLD_START;
 
 		for (i = 0; i < size; i++) {
 			data = cpu_to_le64(ptr64[i]);
-			if (adapter->pci_mem_write(adapter,
-						flashaddr, data))
+
+			if (adapter->pci_mem_write(adapter, flashaddr, data))
 				return -EIO;
 
 			flashaddr += 8;
 		}
 
-		size = *(u32 *)&fw->data[NX_FW_SIZE_OFFSET];
-		size = (__force u32)cpu_to_le32(size) / 8;
+		size = (__force u32)nx_get_fw_size(adapter) / 8;
 
-		ptr64 = (u64 *)&fw->data[NETXEN_IMAGE_START];
+		ptr64 = (u64 *)nx_get_fw_offs(adapter);
 		flashaddr = NETXEN_IMAGE_START;
 
 		for (i = 0; i < size; i++) {
@@ -745,21 +911,31 @@ netxen_load_firmware(struct netxen_adapter *adapter)
 }
 
 static int
-netxen_validate_firmware(struct netxen_adapter *adapter, const char *fwname)
+netxen_validate_firmware(struct netxen_adapter *adapter)
 {
 	__le32 val;
-	u32 ver, min_ver, bios;
+	u32 ver, min_ver, bios, min_size;
 	struct pci_dev *pdev = adapter->pdev;
 	const struct firmware *fw = adapter->fw;
+	u8 fw_type = adapter->fw_type;
 
-	if (fw->size < NX_FW_MIN_SIZE)
-		return -EINVAL;
+	if (fw_type == NX_UNIFIED_ROMIMAGE) {
+		if (nx_set_product_offs(adapter))
+			return -EINVAL;
+
+		min_size = NX_UNI_FW_MIN_SIZE;
+	} else {
+		val = cpu_to_le32(*(u32 *)&fw->data[NX_FW_MAGIC_OFFSET]);
+		if ((__force u32)val != NETXEN_BDINFO_MAGIC)
+			return -EINVAL;
 
-	val = cpu_to_le32(*(u32 *)&fw->data[NX_FW_MAGIC_OFFSET]);
-	if ((__force u32)val != NETXEN_BDINFO_MAGIC)
+		min_size = NX_FW_MIN_SIZE;
+	}
+
+	if (fw->size < min_size)
 		return -EINVAL;
 
-	val = cpu_to_le32(*(u32 *)&fw->data[NX_FW_VERSION_OFFSET]);
+	val = nx_get_fw_version(adapter);
 
 	if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
 		min_ver = NETXEN_VERSION_CODE(4, 0, 216);
@@ -771,15 +947,15 @@ netxen_validate_firmware(struct netxen_adapter *adapter, const char *fwname)
 	if ((_major(ver) > _NETXEN_NIC_LINUX_MAJOR) || (ver < min_ver)) {
 		dev_err(&pdev->dev,
 				"%s: firmware version %d.%d.%d unsupported\n",
-				fwname, _major(ver), _minor(ver), _build(ver));
+		fw_name[fw_type], _major(ver), _minor(ver), _build(ver));
 		return -EINVAL;
 	}
 
-	val = cpu_to_le32(*(u32 *)&fw->data[NX_BIOS_VERSION_OFFSET]);
+	val = nx_get_bios_version(adapter);
 	netxen_rom_fast_read(adapter, NX_BIOS_VERSION_OFFSET, (int *)&bios);
 	if ((__force u32)val != bios) {
 		dev_err(&pdev->dev, "%s: firmware bios is incompatible\n",
-				fwname);
+				fw_name[fw_type]);
 		return -EINVAL;
 	}
 
@@ -790,7 +966,7 @@ netxen_validate_firmware(struct netxen_adapter *adapter, const char *fwname)
 	val = NETXEN_DECODE_VERSION(val);
 	if (val > ver) {
 		dev_info(&pdev->dev, "%s: firmware is older than flash\n",
-				fwname);
+				fw_name[fw_type]);
 		return -EINVAL;
 	}
 
@@ -798,6 +974,41 @@ netxen_validate_firmware(struct netxen_adapter *adapter, const char *fwname)
 	return 0;
 }
 
+static void
+nx_get_next_fwtype(struct netxen_adapter *adapter)
+{
+	u8 fw_type;
+
+	switch (adapter->fw_type) {
+	case NX_UNKNOWN_ROMIMAGE:
+		fw_type = NX_UNIFIED_ROMIMAGE;
+		break;
+
+	case NX_UNIFIED_ROMIMAGE:
+		if (NX_IS_REVISION_P3P(adapter->ahw.revision_id))
+			fw_type = NX_FLASH_ROMIMAGE;
+		else if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
+			fw_type = NX_P2_MN_ROMIMAGE;
+		else if (netxen_p3_has_mn(adapter))
+			fw_type = NX_P3_MN_ROMIMAGE;
+		else
+			fw_type = NX_P3_CT_ROMIMAGE;
+		break;
+
+	case NX_P3_MN_ROMIMAGE:
+		fw_type = NX_P3_CT_ROMIMAGE;
+		break;
+
+	case NX_P2_MN_ROMIMAGE:
+	case NX_P3_CT_ROMIMAGE:
+	default:
+		fw_type = NX_FLASH_ROMIMAGE;
+		break;
+	}
+
+	adapter->fw_type = fw_type;
+}
+
 static int
 netxen_p3_has_mn(struct netxen_adapter *adapter)
 {
@@ -819,55 +1030,29 @@ netxen_p3_has_mn(struct netxen_adapter *adapter)
 
 void netxen_request_firmware(struct netxen_adapter *adapter)
 {
-	u8 fw_type;
 	struct pci_dev *pdev = adapter->pdev;
 	int rc = 0;
 
-	if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
-		fw_type = NX_P2_MN_ROMIMAGE;
-		goto request_fw;
-	}
+	adapter->fw_type = NX_UNKNOWN_ROMIMAGE;
 
-	if (NX_IS_REVISION_P3P(adapter->ahw.revision_id)) {
-		/* No file firmware for the time being */
-		fw_type = NX_FLASH_ROMIMAGE;
-		goto done;
-	}
+next:
+	nx_get_next_fwtype(adapter);
 
-	fw_type = netxen_p3_has_mn(adapter) ?
-		NX_P3_MN_ROMIMAGE : NX_P3_CT_ROMIMAGE;
-
-request_fw:
-	rc = request_firmware(&adapter->fw, fw_name[fw_type], &pdev->dev);
-	if (rc != 0) {
-		if (fw_type == NX_P3_MN_ROMIMAGE) {
-			msleep(1);
-			fw_type = NX_P3_CT_ROMIMAGE;
-			goto request_fw;
-		}
-
-		fw_type = NX_FLASH_ROMIMAGE;
+	if (adapter->fw_type == NX_FLASH_ROMIMAGE) {
 		adapter->fw = NULL;
-		goto done;
-	}
-
-	rc = netxen_validate_firmware(adapter, fw_name[fw_type]);
-	if (rc != 0) {
-		release_firmware(adapter->fw);
-
-		if (fw_type == NX_P3_MN_ROMIMAGE) {
+	} else {
+		rc = request_firmware(&adapter->fw,
+				fw_name[adapter->fw_type], &pdev->dev);
+		if (rc != 0)
+			goto next;
+
+		rc = netxen_validate_firmware(adapter);
+		if (rc != 0) {
+			release_firmware(adapter->fw);
 			msleep(1);
-			fw_type = NX_P3_CT_ROMIMAGE;
-			goto request_fw;
+			goto next;
 		}
-
-		fw_type = NX_FLASH_ROMIMAGE;
-		adapter->fw = NULL;
-		goto done;
 	}
-
-done:
-	adapter->fw_type = fw_type;
 }
 
 
-- 
GitLab


From a9ac07deeb4b880aea3eaccf7ec913ac902aeef9 Mon Sep 17 00:00:00 2001
From: Dhananjay Phadke <dhananjay@netxen.com>
Date: Sat, 24 Oct 2009 16:03:59 +0000
Subject: [PATCH 0673/1815] netxen: refactor indirect register access

Refactor code to calculate and set indirect access
window for control registers in 2MB address space
(NX3031 or newer). Use void __iomem * data type for
absolute pci addresses.

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/netxen/netxen_nic_hw.c | 75 ++++++++++++++----------------
 1 file changed, 36 insertions(+), 39 deletions(-)

diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index 69205ace16e..b3054c6cc60 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -1090,39 +1090,33 @@ netxen_nic_pci_set_crbwindow_128M(struct netxen_adapter *adapter,
  * In: 'off' is offset from base in 128M pci map
  */
 static int
-netxen_nic_pci_get_crb_addr_2M(struct netxen_adapter *adapter, ulong *off)
+netxen_nic_pci_get_crb_addr_2M(struct netxen_adapter *adapter,
+		ulong off, void __iomem **addr)
 {
 	crb_128M_2M_sub_block_map_t *m;
 
 
-	if (*off >= NETXEN_CRB_MAX)
+	if ((off >= NETXEN_CRB_MAX) || (off < NETXEN_PCI_CRBSPACE))
 		return -EINVAL;
 
-	if (*off >= NETXEN_PCI_CAMQM && (*off < NETXEN_PCI_CAMQM_2M_END)) {
-		*off = (*off - NETXEN_PCI_CAMQM) + NETXEN_PCI_CAMQM_2M_BASE +
-			(ulong)adapter->ahw.pci_base0;
-		return 0;
-	}
-
-	if (*off < NETXEN_PCI_CRBSPACE)
-		return -EINVAL;
-
-	*off -= NETXEN_PCI_CRBSPACE;
+	off -= NETXEN_PCI_CRBSPACE;
 
 	/*
 	 * Try direct map
 	 */
-	m = &crb_128M_2M_map[CRB_BLK(*off)].sub_block[CRB_SUBBLK(*off)];
+	m = &crb_128M_2M_map[CRB_BLK(off)].sub_block[CRB_SUBBLK(off)];
 
-	if (m->valid && (m->start_128M <= *off) && (m->end_128M > *off)) {
-		*off = *off + m->start_2M - m->start_128M +
-			(ulong)adapter->ahw.pci_base0;
+	if (m->valid && (m->start_128M <= off) && (m->end_128M > off)) {
+		*addr = adapter->ahw.pci_base0 + m->start_2M +
+			(off - m->start_128M);
 		return 0;
 	}
 
 	/*
 	 * Not in direct map, use crb window
 	 */
+	*addr = adapter->ahw.pci_base0 + CRB_INDIRECT_2M +
+		(off & MASK(16));
 	return 1;
 }
 
@@ -1132,28 +1126,26 @@ netxen_nic_pci_get_crb_addr_2M(struct netxen_adapter *adapter, ulong *off)
  * side effect: lock crb window
  */
 static void
-netxen_nic_pci_set_crbwindow_2M(struct netxen_adapter *adapter, ulong *off)
+netxen_nic_pci_set_crbwindow_2M(struct netxen_adapter *adapter, ulong off)
 {
 	u32 window;
 	void __iomem *addr = adapter->ahw.pci_base0 + CRB_WINDOW_2M;
 
-	window = CRB_HI(*off);
+	off -= NETXEN_PCI_CRBSPACE;
+
+	window = CRB_HI(off);
 
 	if (adapter->ahw.crb_win == window)
-		goto done;
+		return;
 
 	writel(window, addr);
 	if (readl(addr) != window) {
 		if (printk_ratelimit())
 			dev_warn(&adapter->pdev->dev,
 				"failed to set CRB window to %d off 0x%lx\n",
-				window, *off);
+				window, off);
 	}
 	adapter->ahw.crb_win = window;
-
-done:
-	*off = (*off & MASK(16)) + CRB_INDIRECT_2M +
-		(ulong)adapter->ahw.pci_base0;
 }
 
 static int
@@ -1217,11 +1209,12 @@ netxen_nic_hw_write_wx_2M(struct netxen_adapter *adapter, ulong off, u32 data)
 {
 	unsigned long flags;
 	int rv;
+	void __iomem *addr = NULL;
 
-	rv = netxen_nic_pci_get_crb_addr_2M(adapter, &off);
+	rv = netxen_nic_pci_get_crb_addr_2M(adapter, off, &addr);
 
 	if (rv == 0) {
-		writel(data, (void __iomem *)off);
+		writel(data, addr);
 		return 0;
 	}
 
@@ -1229,8 +1222,8 @@ netxen_nic_hw_write_wx_2M(struct netxen_adapter *adapter, ulong off, u32 data)
 		/* indirect access */
 		write_lock_irqsave(&adapter->ahw.crb_lock, flags);
 		crb_win_lock(adapter);
-		netxen_nic_pci_set_crbwindow_2M(adapter, &off);
-		writel(data, (void __iomem *)off);
+		netxen_nic_pci_set_crbwindow_2M(adapter, off);
+		writel(data, addr);
 		crb_win_unlock(adapter);
 		write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
 		return 0;
@@ -1248,18 +1241,19 @@ netxen_nic_hw_read_wx_2M(struct netxen_adapter *adapter, ulong off)
 	unsigned long flags;
 	int rv;
 	u32 data;
+	void __iomem *addr = NULL;
 
-	rv = netxen_nic_pci_get_crb_addr_2M(adapter, &off);
+	rv = netxen_nic_pci_get_crb_addr_2M(adapter, off, &addr);
 
 	if (rv == 0)
-		return readl((void __iomem *)off);
+		return readl(addr);
 
 	if (rv > 0) {
 		/* indirect access */
 		write_lock_irqsave(&adapter->ahw.crb_lock, flags);
 		crb_win_lock(adapter);
-		netxen_nic_pci_set_crbwindow_2M(adapter, &off);
-		data = readl((void __iomem *)off);
+		netxen_nic_pci_set_crbwindow_2M(adapter, off);
+		data = readl(addr);
 		crb_win_unlock(adapter);
 		write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
 		return data;
@@ -1307,17 +1301,20 @@ static u32 netxen_nic_io_read_2M(struct netxen_adapter *adapter,
 void __iomem *
 netxen_get_ioaddr(struct netxen_adapter *adapter, u32 offset)
 {
-	ulong off = offset;
+	void __iomem *addr = NULL;
 
 	if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
-		if (offset < NETXEN_CRB_PCIX_HOST2 &&
-				offset > NETXEN_CRB_PCIX_HOST)
-			return PCI_OFFSET_SECOND_RANGE(adapter, offset);
-		return NETXEN_CRB_NORMALIZE(adapter, offset);
+		if ((offset < NETXEN_CRB_PCIX_HOST2) &&
+				(offset > NETXEN_CRB_PCIX_HOST))
+			addr = PCI_OFFSET_SECOND_RANGE(adapter, offset);
+		else
+			addr = NETXEN_CRB_NORMALIZE(adapter, offset);
+	} else {
+		WARN_ON(netxen_nic_pci_get_crb_addr_2M(adapter,
+					offset, &addr));
 	}
 
-	BUG_ON(netxen_nic_pci_get_crb_addr_2M(adapter, &off));
-	return (void __iomem *)off;
+	return addr;
 }
 
 static int
-- 
GitLab


From f0e08fac06596a760f074c08521550d93b96336e Mon Sep 17 00:00:00 2001
From: Dhananjay Phadke <dhananjay@netxen.com>
Date: Sat, 24 Oct 2009 16:04:00 +0000
Subject: [PATCH 0674/1815] netxen: add PCI IDs for new chip

Add PCI vendor and device IDs for QLE8240 and QLE8242
CNA devices.

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/netxen/netxen_nic.h         | 2 --
 drivers/net/netxen/netxen_nic_ethtool.c | 4 ++--
 drivers/net/netxen/netxen_nic_main.c    | 6 ++++++
 3 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index 5ba923bd9d7..5d0810f28a0 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -74,8 +74,6 @@
 #define NETXEN_FLASH_TOTAL_SIZE  (NETXEN_NUM_FLASH_SECTORS \
 					* NETXEN_FLASH_SECTOR_SIZE)
 
-#define PHAN_VENDOR_ID 0x4040
-
 #define RCV_DESC_RINGSIZE(rds_ring)	\
 	(sizeof(struct rcv_desc) * (rds_ring)->num_desc)
 #define RCV_BUFF_RINGSIZE(rds_ring)	\
diff --git a/drivers/net/netxen/netxen_nic_ethtool.c b/drivers/net/netxen/netxen_nic_ethtool.c
index a3b18e0c967..c86095eb5d9 100644
--- a/drivers/net/netxen/netxen_nic_ethtool.c
+++ b/drivers/net/netxen/netxen_nic_ethtool.c
@@ -688,8 +688,8 @@ static int netxen_nic_reg_test(struct net_device *dev)
 	u32 data_read, data_written;
 
 	data_read = NXRD32(adapter, NETXEN_PCIX_PH_REG(0));
-	if ((data_read & 0xffff) != PHAN_VENDOR_ID)
-	return 1;
+	if ((data_read & 0xffff) != adapter->pdev->vendor)
+		return 1;
 
 	data_written = (u32)0xa5a5a5a5;
 
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index fe4059ff82f..53e728907d5 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -92,6 +92,11 @@ static void netxen_config_indev_addr(struct net_device *dev, unsigned long);
 #define ENTRY(device) \
 	{PCI_DEVICE(PCI_VENDOR_ID_NETXEN, (device)), \
 	.class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
+#define ENTRY2(device) \
+	{PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
+	.class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
+
+#define PCI_DEVICE_ID_QLOGIC_QLE824X	0x8020
 
 static struct pci_device_id netxen_pci_tbl[] __devinitdata = {
 	ENTRY(PCI_DEVICE_ID_NX2031_10GXSR),
@@ -102,6 +107,7 @@ static struct pci_device_id netxen_pci_tbl[] __devinitdata = {
 	ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT),
 	ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT2),
 	ENTRY(PCI_DEVICE_ID_NX3031),
+	ENTRY2(PCI_DEVICE_ID_QLOGIC_QLE824X),
 	{0,}
 };
 
-- 
GitLab


From c25c0b9b33f681972e0b2abc96b9debdd1ef32a5 Mon Sep 17 00:00:00 2001
From: Dhananjay Phadke <dhananjay@netxen.com>
Date: Wed, 28 Oct 2009 04:11:04 -0700
Subject: [PATCH 0675/1815] netxen: update module info

Update module info with QLogic signature.

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/netxen/netxen_nic_main.c | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 53e728907d5..23e5264c8ae 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -36,12 +36,12 @@
 #include <linux/inetdevice.h>
 #include <linux/sysfs.h>
 
-MODULE_DESCRIPTION("NetXen Multi port (1/10) Gigabit Network Driver");
+MODULE_DESCRIPTION("QLogic/NetXen (1/10) GbE Converged Ethernet Driver");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(NETXEN_NIC_LINUX_VERSIONID);
 
 char netxen_nic_driver_name[] = "netxen_nic";
-static char netxen_nic_driver_string[] = "NetXen Network Driver version "
+static char netxen_nic_driver_string[] = "QLogic/NetXen Network Driver v"
     NETXEN_NIC_LINUX_VERSIONID;
 
 static int port_mode = NETXEN_PORT_MODE_AUTO_NEG;
@@ -55,7 +55,6 @@ static int use_msi_x = 1;
 
 static unsigned long auto_fw_reset = AUTO_FW_RESET_ENABLED;
 
-/* Local functions to NetXen NIC driver */
 static int __devinit netxen_nic_probe(struct pci_dev *pdev,
 		const struct pci_device_id *ent);
 static void __devexit netxen_nic_remove(struct pci_dev *pdev);
@@ -731,7 +730,8 @@ netxen_check_options(struct netxen_adapter *adapter)
 	if (adapter->portnum == 0) {
 		get_brd_name_by_type(adapter->ahw.board_type, brd_name);
 
-		printk(KERN_INFO "NetXen %s Board S/N %s  Chip rev 0x%x\n",
+		pr_info("%s: %s Board S/N %s  Chip rev 0x%x\n",
+				module_name(THIS_MODULE),
 				brd_name, serial_num, adapter->ahw.revision_id);
 	}
 
@@ -1213,16 +1213,10 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	int pci_func_id = PCI_FUNC(pdev->devfn);
 	uint8_t revision_id;
 
-	if (pdev->class != 0x020000) {
-		printk(KERN_DEBUG "NetXen function %d, class %x will not "
-				"be enabled.\n",pci_func_id, pdev->class);
-		return -ENODEV;
-	}
-
 	if (pdev->revision >= NX_P3_A0 && pdev->revision < NX_P3_B1) {
-		printk(KERN_WARNING "NetXen chip revisions between 0x%x-0x%x"
+		pr_warning("%s: chip revisions between 0x%x-0x%x"
 				"will not be enabled.\n",
-				NX_P3_A0, NX_P3_B1);
+				module_name(THIS_MODULE), NX_P3_A0, NX_P3_B1);
 		return -ENODEV;
 	}
 
-- 
GitLab


From 7e8e5d9718744b817bfea6f020586d7035cc89f4 Mon Sep 17 00:00:00 2001
From: Dhananjay Phadke <dhananjay@netxen.com>
Date: Sat, 24 Oct 2009 16:04:02 +0000
Subject: [PATCH 0676/1815] netxen: module firmware hints

Add MODULE_FIRMWARE hints for various firmware file types,
required by different chip revisions.

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/netxen/netxen_nic.h      | 6 ++++++
 drivers/net/netxen/netxen_nic_init.c | 6 +++++-
 drivers/net/netxen/netxen_nic_main.c | 4 ++++
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index 5d0810f28a0..5982dacd1e4 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -517,6 +517,12 @@ struct uni_data_desc{
 #define NX_FLASH_ROMIMAGE	4
 #define NX_UNKNOWN_ROMIMAGE	0xff
 
+#define NX_P2_MN_ROMIMAGE_NAME		"nxromimg.bin"
+#define NX_P3_CT_ROMIMAGE_NAME		"nx3fwct.bin"
+#define NX_P3_MN_ROMIMAGE_NAME		"nx3fwmn.bin"
+#define NX_UNIFIED_ROMIMAGE_NAME	"phanfw.bin"
+#define NX_FLASH_ROMIMAGE_NAME		"flash"
+
 extern char netxen_nic_driver_name[];
 
 /* Number of status descriptors to handle per interrupt */
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index e84a3bae779..6ee27a630d8 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -822,7 +822,11 @@ netxen_need_fw_reset(struct netxen_adapter *adapter)
 }
 
 static char *fw_name[] = {
-	"nxromimg.bin", "nx3fwct.bin", "nx3fwmn.bin", "phanfw.bin", "flash",
+	NX_P2_MN_ROMIMAGE_NAME,
+	NX_P3_CT_ROMIMAGE_NAME,
+	NX_P3_MN_ROMIMAGE_NAME,
+	NX_UNIFIED_ROMIMAGE_NAME,
+	NX_FLASH_ROMIMAGE_NAME,
 };
 
 int
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 23e5264c8ae..12d1037cd81 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -39,6 +39,10 @@
 MODULE_DESCRIPTION("QLogic/NetXen (1/10) GbE Converged Ethernet Driver");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(NETXEN_NIC_LINUX_VERSIONID);
+MODULE_FIRMWARE(NX_P2_MN_ROMIMAGE_NAME);
+MODULE_FIRMWARE(NX_P3_CT_ROMIMAGE_NAME);
+MODULE_FIRMWARE(NX_P3_MN_ROMIMAGE_NAME);
+MODULE_FIRMWARE(NX_UNIFIED_ROMIMAGE_NAME);
 
 char netxen_nic_driver_name[] = "netxen_nic";
 static char netxen_nic_driver_string[] = "QLogic/NetXen Network Driver v"
-- 
GitLab


From c70948105d4f057b90d4a587246565782e51ed35 Mon Sep 17 00:00:00 2001
From: Dhananjay Phadke <dhananjay@netxen.com>
Date: Sat, 24 Oct 2009 16:04:03 +0000
Subject: [PATCH 0677/1815] netxen: update version to 4.0.65

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/netxen/netxen_nic.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index 5982dacd1e4..645450d93f4 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -53,8 +53,8 @@
 
 #define _NETXEN_NIC_LINUX_MAJOR 4
 #define _NETXEN_NIC_LINUX_MINOR 0
-#define _NETXEN_NIC_LINUX_SUBVERSION 62
-#define NETXEN_NIC_LINUX_VERSIONID  "4.0.62"
+#define _NETXEN_NIC_LINUX_SUBVERSION 65
+#define NETXEN_NIC_LINUX_VERSIONID  "4.0.65"
 
 #define NETXEN_VERSION_CODE(a, b, c)	(((a) << 24) + ((b) << 16) + (c))
 #define _major(v)	(((v) >> 24) & 0xff)
-- 
GitLab


From 7e15b0c9991dfe0bf05a2f8fab9154bb7827622e Mon Sep 17 00:00:00 2001
From: David Graham <david.graham@intel.com>
Date: Wed, 28 Oct 2009 04:13:57 -0700
Subject: [PATCH 0678/1815] e100: Fix to allow systems with FW based cards to
 resume from STD

Devices with loadable firmware must have their firmware reloaded
after the system resumes from sleep, but the request_firmare()
API is not available at this point in the resume flow because
tasks are not yet running, and the system will hang if it is
called. Work around this issue by only calling request_firmware()
for a device's first firmware load, and cache a copy of the pointer
to the firmware blob for that device, so that we may reload firmware
images even during resume.

Signed-off-by: David Graham <david.graham@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e100.c | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/drivers/net/e100.c b/drivers/net/e100.c
index ff83efd47b0..f428c5f72f1 100644
--- a/drivers/net/e100.c
+++ b/drivers/net/e100.c
@@ -621,6 +621,7 @@ struct nic {
 	u16 eeprom_wc;
 	__le16 eeprom[256];
 	spinlock_t mdio_lock;
+	const struct firmware *fw;
 };
 
 static inline void e100_write_flush(struct nic *nic)
@@ -1222,9 +1223,9 @@ static void e100_configure(struct nic *nic, struct cb *cb, struct sk_buff *skb)
 static const struct firmware *e100_request_firmware(struct nic *nic)
 {
 	const char *fw_name;
-	const struct firmware *fw;
+	const struct firmware *fw = nic->fw;
 	u8 timer, bundle, min_size;
-	int err;
+	int err = 0;
 
 	/* do not load u-code for ICH devices */
 	if (nic->flags & ich)
@@ -1240,12 +1241,20 @@ static const struct firmware *e100_request_firmware(struct nic *nic)
 	else /* No ucode on other devices */
 		return NULL;
 
-	err = request_firmware(&fw, fw_name, &nic->pdev->dev);
+	/* If the firmware has not previously been loaded, request a pointer
+	 * to it. If it was previously loaded, we are reinitializing the
+	 * adapter, possibly in a resume from hibernate, in which case
+	 * request_firmware() cannot be used.
+	 */
+	if (!fw)
+		err = request_firmware(&fw, fw_name, &nic->pdev->dev);
+
 	if (err) {
 		DPRINTK(PROBE, ERR, "Failed to load firmware \"%s\": %d\n",
 			fw_name, err);
 		return ERR_PTR(err);
 	}
+
 	/* Firmware should be precisely UCODE_SIZE (words) plus three bytes
 	   indicating the offsets for BUNDLESMALL, BUNDLEMAX, INTDELAY */
 	if (fw->size != UCODE_SIZE * 4 + 3) {
@@ -1268,7 +1277,10 @@ static const struct firmware *e100_request_firmware(struct nic *nic)
 		release_firmware(fw);
 		return ERR_PTR(-EINVAL);
 	}
-	/* OK, firmware is validated and ready to use... */
+
+	/* OK, firmware is validated and ready to use. Save a pointer
+	 * to it in the nic */
+	nic->fw = fw;
 	return fw;
 }
 
-- 
GitLab


From 0388f251a33ea60937564ad1f27cf77243409f06 Mon Sep 17 00:00:00 2001
From: Sarveshwar Bandi <sarveshwarb@serverengines.com>
Date: Wed, 28 Oct 2009 04:15:20 -0700
Subject: [PATCH 0679/1815] be2net: Changes to update ethtool get_settings
 function to return appropriate values.

Update ethtool get_settings function to:
- get current link speed settings from controller
- get port transceiver type from controller
- fill appropriate values for supported, phy_address

Signed-off-by: Sarveshwar Bandi <sarveshwarb@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/benet/be_cmds.c    | 37 ++++++++++++++++++++++++++--
 drivers/net/benet/be_cmds.h    | 45 ++++++++++++++++++++++++++++++++--
 drivers/net/benet/be_ethtool.c | 36 ++++++++++++++++++++++++++-
 drivers/net/benet/be_main.c    |  5 +++-
 4 files changed, 117 insertions(+), 6 deletions(-)

diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c
index 827d86b5e70..cc75dd0df0d 100644
--- a/drivers/net/benet/be_cmds.c
+++ b/drivers/net/benet/be_cmds.c
@@ -834,7 +834,7 @@ int be_cmd_get_stats(struct be_adapter *adapter, struct be_dma_mem *nonemb_cmd)
 
 /* Uses synchronous mcc */
 int be_cmd_link_status_query(struct be_adapter *adapter,
-			bool *link_up)
+			bool *link_up, u8 *mac_speed, u16 *link_speed)
 {
 	struct be_mcc_wrb *wrb;
 	struct be_cmd_req_link_status *req;
@@ -855,8 +855,11 @@ int be_cmd_link_status_query(struct be_adapter *adapter,
 	status = be_mcc_notify_wait(adapter);
 	if (!status) {
 		struct be_cmd_resp_link_status *resp = embedded_payload(wrb);
-		if (resp->mac_speed != PHY_LINK_SPEED_ZERO)
+		if (resp->mac_speed != PHY_LINK_SPEED_ZERO) {
 			*link_up = true;
+			*link_speed = le16_to_cpu(resp->link_speed);
+			*mac_speed = resp->mac_speed;
+		}
 	}
 
 	spin_unlock_bh(&adapter->mcc_lock);
@@ -1188,6 +1191,36 @@ int be_cmd_get_beacon_state(struct be_adapter *adapter, u8 port_num, u32 *state)
 	return status;
 }
 
+/* Uses sync mcc */
+int be_cmd_read_port_type(struct be_adapter *adapter, u32 port,
+				u8 *connector)
+{
+	struct be_mcc_wrb *wrb;
+	struct be_cmd_req_port_type *req;
+	int status;
+
+	spin_lock_bh(&adapter->mcc_lock);
+
+	wrb = wrb_from_mccq(adapter);
+	req = embedded_payload(wrb);
+
+	be_wrb_hdr_prepare(wrb, sizeof(struct be_cmd_resp_port_type), true, 0);
+
+	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+		OPCODE_COMMON_READ_TRANSRECV_DATA, sizeof(*req));
+
+	req->port = cpu_to_le32(port);
+	req->page_num = cpu_to_le32(TR_PAGE_A0);
+	status = be_mcc_notify_wait(adapter);
+	if (!status) {
+		struct be_cmd_resp_port_type *resp = embedded_payload(wrb);
+			*connector = resp->data.connector;
+	}
+
+	spin_unlock_bh(&adapter->mcc_lock);
+	return status;
+}
+
 int be_cmd_write_flashrom(struct be_adapter *adapter, struct be_dma_mem *cmd,
 			u32 flash_type, u32 flash_opcode, u32 buf_size)
 {
diff --git a/drivers/net/benet/be_cmds.h b/drivers/net/benet/be_cmds.h
index fe9f535eff1..76410c1d566 100644
--- a/drivers/net/benet/be_cmds.h
+++ b/drivers/net/benet/be_cmds.h
@@ -140,6 +140,7 @@ struct be_mcc_mailbox {
 #define OPCODE_COMMON_FUNCTION_RESET			61
 #define OPCODE_COMMON_ENABLE_DISABLE_BEACON		69
 #define OPCODE_COMMON_GET_BEACON_STATE			70
+#define OPCODE_COMMON_READ_TRANSRECV_DATA		73
 
 #define OPCODE_ETH_ACPI_CONFIG				2
 #define OPCODE_ETH_PROMISCUOUS				3
@@ -635,9 +636,47 @@ struct be_cmd_resp_link_status {
 	u8 mac_fault;
 	u8 mgmt_mac_duplex;
 	u8 mgmt_mac_speed;
-	u16 rsvd0;
+	u16 link_speed;
+	u32 rsvd0;
 } __packed;
 
+/******************** Port Identification ***************************/
+/*    Identifies the type of port attached to NIC     */
+struct be_cmd_req_port_type {
+	struct be_cmd_req_hdr hdr;
+	u32 page_num;
+	u32 port;
+};
+
+enum {
+	TR_PAGE_A0 = 0xa0,
+	TR_PAGE_A2 = 0xa2
+};
+
+struct be_cmd_resp_port_type {
+	struct be_cmd_resp_hdr hdr;
+	u32 page_num;
+	u32 port;
+	struct data {
+		u8 identifier;
+		u8 identifier_ext;
+		u8 connector;
+		u8 transceiver[8];
+		u8 rsvd0[3];
+		u8 length_km;
+		u8 length_hm;
+		u8 length_om1;
+		u8 length_om2;
+		u8 length_cu;
+		u8 length_cu_m;
+		u8 vendor_name[16];
+		u8 rsvd;
+		u8 vendor_oui[3];
+		u8 vendor_pn[16];
+		u8 vendor_rev[4];
+	} data;
+};
+
 /******************** Get FW Version *******************/
 struct be_cmd_req_get_fw_version {
 	struct be_cmd_req_hdr hdr;
@@ -776,7 +815,7 @@ extern int be_cmd_rxq_create(struct be_adapter *adapter,
 extern int be_cmd_q_destroy(struct be_adapter *adapter, struct be_queue_info *q,
 			int type);
 extern int be_cmd_link_status_query(struct be_adapter *adapter,
-			bool *link_up);
+			bool *link_up, u8 *mac_speed, u16 *link_speed);
 extern int be_cmd_reset(struct be_adapter *adapter);
 extern int be_cmd_get_stats(struct be_adapter *adapter,
 			struct be_dma_mem *nonemb_cmd);
@@ -802,6 +841,8 @@ extern int be_cmd_set_beacon_state(struct be_adapter *adapter,
 			u8 port_num, u8 beacon, u8 status, u8 state);
 extern int be_cmd_get_beacon_state(struct be_adapter *adapter,
 			u8 port_num, u32 *state);
+extern int be_cmd_read_port_type(struct be_adapter *adapter, u32 port,
+					u8 *connector);
 extern int be_cmd_write_flashrom(struct be_adapter *adapter,
 			struct be_dma_mem *cmd, u32 flash_oper,
 			u32 flash_opcode, u32 buf_size);
diff --git a/drivers/net/benet/be_ethtool.c b/drivers/net/benet/be_ethtool.c
index 280471e1869..edebce99490 100644
--- a/drivers/net/benet/be_ethtool.c
+++ b/drivers/net/benet/be_ethtool.c
@@ -293,9 +293,43 @@ static int be_get_sset_count(struct net_device *netdev, int stringset)
 
 static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 {
-	ecmd->speed = SPEED_10000;
+	struct be_adapter *adapter = netdev_priv(netdev);
+	u8 mac_speed = 0, connector = 0;
+	u16 link_speed = 0;
+	bool link_up = false;
+
+	be_cmd_link_status_query(adapter, &link_up, &mac_speed, &link_speed);
+
+	/* link_speed is in units of 10 Mbps */
+	if (link_speed) {
+		ecmd->speed = link_speed*10;
+	} else {
+		switch (mac_speed) {
+		case PHY_LINK_SPEED_1GBPS:
+			ecmd->speed = SPEED_1000;
+			break;
+		case PHY_LINK_SPEED_10GBPS:
+			ecmd->speed = SPEED_10000;
+			break;
+		}
+	}
 	ecmd->duplex = DUPLEX_FULL;
 	ecmd->autoneg = AUTONEG_DISABLE;
+	ecmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_TP);
+
+	be_cmd_read_port_type(adapter, adapter->port_num, &connector);
+	switch (connector) {
+	case 7:
+		ecmd->port = PORT_FIBRE;
+		break;
+	default:
+		ecmd->port = PORT_TP;
+		break;
+	}
+
+	ecmd->phy_address = adapter->port_num;
+	ecmd->transceiver = XCVR_INTERNAL;
+
 	return 0;
 }
 
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index 21b0657de9e..4520db716b4 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -1586,6 +1586,8 @@ static int be_open(struct net_device *netdev)
 	struct be_eq_obj *tx_eq = &adapter->tx_eq;
 	bool link_up;
 	int status;
+	u8 mac_speed;
+	u16 link_speed;
 
 	/* First time posting */
 	be_post_rx_frags(adapter);
@@ -1604,7 +1606,8 @@ static int be_open(struct net_device *netdev)
 	/* Rx compl queue may be in unarmed state; rearm it */
 	be_cq_notify(adapter, adapter->rx_obj.cq.id, true, 0);
 
-	status = be_cmd_link_status_query(adapter, &link_up);
+	status = be_cmd_link_status_query(adapter, &link_up, &mac_speed,
+			&link_speed);
 	if (status)
 		return status;
 	be_link_status_update(adapter, link_up);
-- 
GitLab


From eb89bd4f80b9ae7e4d0add925cf66bfbebfee01f Mon Sep 17 00:00:00 2001
From: Shreyas Bhatewara <sbhatewara@vmware.com>
Date: Wed, 28 Oct 2009 22:28:26 -0700
Subject: [PATCH 0680/1815] vmxnet3: remove duplicate #include

Remove duplicate headerfile includes from vmxnet3_int.h

Signed-off-by: Shreyas Bhatewara <sbhatewara@vmware.com>
Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Bhavesh Davda <bhavesh@vmware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/vmxnet3/vmxnet3_int.h | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/net/vmxnet3/vmxnet3_int.h b/drivers/net/vmxnet3/vmxnet3_int.h
index 3c0d70d5811..445081686d5 100644
--- a/drivers/net/vmxnet3/vmxnet3_int.h
+++ b/drivers/net/vmxnet3/vmxnet3_int.h
@@ -27,16 +27,11 @@
 #ifndef _VMXNET3_INT_H
 #define _VMXNET3_INT_H
 
-#include <linux/types.h>
 #include <linux/ethtool.h>
 #include <linux/delay.h>
-#include <linux/device.h>
 #include <linux/netdevice.h>
 #include <linux/pci.h>
-#include <linux/ethtool.h>
 #include <linux/compiler.h>
-#include <linux/module.h>
-#include <linux/moduleparam.h>
 #include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <linux/ioport.h>
-- 
GitLab


From 383ff34bebc2eccae71686fbd72e1cd948859675 Mon Sep 17 00:00:00 2001
From: Yi Zou <yi.zou@intel.com>
Date: Wed, 28 Oct 2009 18:23:57 +0000
Subject: [PATCH 0681/1815] ixgbe: Add support for 82599 alternative WWNN/WWPN
 prefix

The 82599 EEPROM supports alternative prefix for World Wide Node Name
(WWNN) and World Wide Port Name (WWPN). The prefixes can be used together
with the SAN MAC address to form the WWNN and WWPN, which can be used by
upper layer drivers such as Fiber Channel over Ethernet (FCoE).

Signed-off-by: Yi Zou <yi.zou@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ixgbe/ixgbe_82599.c | 50 +++++++++++++++++++++++++++++++++
 drivers/net/ixgbe/ixgbe_type.h  | 15 ++++++++++
 2 files changed, 65 insertions(+)

diff --git a/drivers/net/ixgbe/ixgbe_82599.c b/drivers/net/ixgbe/ixgbe_82599.c
index ae27c41222e..72106898a5c 100644
--- a/drivers/net/ixgbe/ixgbe_82599.c
+++ b/drivers/net/ixgbe/ixgbe_82599.c
@@ -1000,6 +1000,10 @@ static s32 ixgbe_reset_hw_82599(struct ixgbe_hw *hw)
 		hw->mac.num_rar_entries--;
 	}
 
+	/* Store the alternative WWNN/WWPN prefix */
+	hw->mac.ops.get_wwn_prefix(hw, &hw->mac.wwnn_prefix,
+	                               &hw->mac.wwpn_prefix);
+
 reset_hw_out:
 	return status;
 }
@@ -2536,6 +2540,51 @@ fw_version_out:
 	return status;
 }
 
+/**
+ *  ixgbe_get_wwn_prefix_82599 - Get alternative WWNN/WWPN prefix from
+ *  the EEPROM
+ *  @hw: pointer to hardware structure
+ *  @wwnn_prefix: the alternative WWNN prefix
+ *  @wwpn_prefix: the alternative WWPN prefix
+ *
+ *  This function will read the EEPROM from the alternative SAN MAC address
+ *  block to check the support for the alternative WWNN/WWPN prefix support.
+ **/
+static s32 ixgbe_get_wwn_prefix_82599(struct ixgbe_hw *hw, u16 *wwnn_prefix,
+                                      u16 *wwpn_prefix)
+{
+	u16 offset, caps;
+	u16 alt_san_mac_blk_offset;
+
+	/* clear output first */
+	*wwnn_prefix = 0xFFFF;
+	*wwpn_prefix = 0xFFFF;
+
+	/* check if alternative SAN MAC is supported */
+	hw->eeprom.ops.read(hw, IXGBE_ALT_SAN_MAC_ADDR_BLK_PTR,
+	                    &alt_san_mac_blk_offset);
+
+	if ((alt_san_mac_blk_offset == 0) ||
+	    (alt_san_mac_blk_offset == 0xFFFF))
+		goto wwn_prefix_out;
+
+	/* check capability in alternative san mac address block */
+	offset = alt_san_mac_blk_offset + IXGBE_ALT_SAN_MAC_ADDR_CAPS_OFFSET;
+	hw->eeprom.ops.read(hw, offset, &caps);
+	if (!(caps & IXGBE_ALT_SAN_MAC_ADDR_CAPS_ALTWWN))
+		goto wwn_prefix_out;
+
+	/* get the corresponding prefix for WWNN/WWPN */
+	offset = alt_san_mac_blk_offset + IXGBE_ALT_SAN_MAC_ADDR_WWNN_OFFSET;
+	hw->eeprom.ops.read(hw, offset, wwnn_prefix);
+
+	offset = alt_san_mac_blk_offset + IXGBE_ALT_SAN_MAC_ADDR_WWPN_OFFSET;
+	hw->eeprom.ops.read(hw, offset, wwpn_prefix);
+
+wwn_prefix_out:
+	return 0;
+}
+
 static struct ixgbe_mac_operations mac_ops_82599 = {
 	.init_hw                = &ixgbe_init_hw_generic,
 	.reset_hw               = &ixgbe_reset_hw_82599,
@@ -2547,6 +2596,7 @@ static struct ixgbe_mac_operations mac_ops_82599 = {
 	.get_mac_addr           = &ixgbe_get_mac_addr_generic,
 	.get_san_mac_addr       = &ixgbe_get_san_mac_addr_82599,
 	.get_device_caps        = &ixgbe_get_device_caps_82599,
+	.get_wwn_prefix         = &ixgbe_get_wwn_prefix_82599,
 	.stop_adapter           = &ixgbe_stop_adapter_generic,
 	.get_bus_info           = &ixgbe_get_bus_info_generic,
 	.set_lan_id             = &ixgbe_set_lan_id_multi_port_pcie,
diff --git a/drivers/net/ixgbe/ixgbe_type.h b/drivers/net/ixgbe/ixgbe_type.h
index 1cab53eb22f..21b6633da57 100644
--- a/drivers/net/ixgbe/ixgbe_type.h
+++ b/drivers/net/ixgbe/ixgbe_type.h
@@ -1539,6 +1539,16 @@
 #define IXGBE_FW_PASSTHROUGH_PATCH_CONFIG_PTR   0x4
 #define IXGBE_FW_PATCH_VERSION_4   0x7
 
+/* Alternative SAN MAC Address Block */
+#define IXGBE_ALT_SAN_MAC_ADDR_BLK_PTR      0x27 /* Alt. SAN MAC block */
+#define IXGBE_ALT_SAN_MAC_ADDR_CAPS_OFFSET  0x0 /* Alt. SAN MAC capability */
+#define IXGBE_ALT_SAN_MAC_ADDR_PORT0_OFFSET 0x1 /* Alt. SAN MAC 0 offset */
+#define IXGBE_ALT_SAN_MAC_ADDR_PORT1_OFFSET 0x4 /* Alt. SAN MAC 1 offset */
+#define IXGBE_ALT_SAN_MAC_ADDR_WWNN_OFFSET  0x7 /* Alt. WWNN prefix offset */
+#define IXGBE_ALT_SAN_MAC_ADDR_WWPN_OFFSET  0x8 /* Alt. WWPN prefix offset */
+#define IXGBE_ALT_SAN_MAC_ADDR_CAPS_SANMAC  0x0 /* Alt. SAN MAC exists */
+#define IXGBE_ALT_SAN_MAC_ADDR_CAPS_ALTWWN  0x1 /* Alt. WWN base exists */
+
 /* PCI Bus Info */
 #define IXGBE_PCI_LINK_STATUS     0xB2
 #define IXGBE_PCI_DEVICE_CONTROL2 0xC8
@@ -2345,6 +2355,7 @@ struct ixgbe_mac_operations {
 	s32 (*get_mac_addr)(struct ixgbe_hw *, u8 *);
 	s32 (*get_san_mac_addr)(struct ixgbe_hw *, u8 *);
 	s32 (*get_device_caps)(struct ixgbe_hw *, u16 *);
+	s32 (*get_wwn_prefix)(struct ixgbe_hw *, u16 *, u16 *);
 	s32 (*stop_adapter)(struct ixgbe_hw *);
 	s32 (*get_bus_info)(struct ixgbe_hw *);
 	void (*set_lan_id)(struct ixgbe_hw *);
@@ -2416,6 +2427,10 @@ struct ixgbe_mac_info {
 	u8                              addr[IXGBE_ETH_LENGTH_OF_ADDRESS];
 	u8                              perm_addr[IXGBE_ETH_LENGTH_OF_ADDRESS];
 	u8                              san_addr[IXGBE_ETH_LENGTH_OF_ADDRESS];
+	/* prefix for World Wide Node Name (WWNN) */
+	u16                             wwnn_prefix;
+	/* prefix for World Wide Port Name (WWPN) */
+	u16                             wwpn_prefix;
 	s32                             mc_filter_type;
 	u32                             mcft_size;
 	u32                             vft_size;
-- 
GitLab


From df5c79452f26f2a3d0883a213102515cfeb7aae9 Mon Sep 17 00:00:00 2001
From: Yi Zou <yi.zou@intel.com>
Date: Wed, 28 Oct 2009 18:24:35 +0000
Subject: [PATCH 0682/1815] net: Add ndo_fcoe_get_wwn to net_device_ops

Add ndo_fcoe_get_wwn so Fiber Channel over Ethernet (FCoE) can make use of
the provided World Wide Port Name (WWPN) and World Wide Node Name (WWNN)
from the underlying network interface driver.

Signed-off-by: Yi Zou <yi.zou@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/netdevice.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index e7c227d7cb9..656110a46e9 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -635,6 +635,10 @@ struct net_device_ops {
 						      unsigned int sgc);
 	int			(*ndo_fcoe_ddp_done)(struct net_device *dev,
 						     u16 xid);
+#define NETDEV_FCOE_WWNN 0
+#define NETDEV_FCOE_WWPN 1
+	int			(*ndo_fcoe_get_wwn)(struct net_device *dev,
+						    u64 *wwn, int type);
 #endif
 };
 
-- 
GitLab


From 61a1fa102ada6d8ee9f2293d126ed9f580ca0751 Mon Sep 17 00:00:00 2001
From: Yi Zou <yi.zou@intel.com>
Date: Wed, 28 Oct 2009 18:24:56 +0000
Subject: [PATCH 0683/1815] ixgbe: Add support for netdev_ops.ndo_fcoe_get_wwn
 to 82599

Implements the netdev_ops.ndo_fcoe_get_wwn in 82599 if it finds valid
prefix for the World Wide Node Name (WWNN) or World Wide Port Name (WWPN),
as well as valid SAN MAC address.

Signed-off-by: Yi Zou <yi.zou@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ixgbe/ixgbe.h      |  1 +
 drivers/net/ixgbe/ixgbe_fcoe.c | 46 ++++++++++++++++++++++++++++++++++
 drivers/net/ixgbe/ixgbe_main.c |  1 +
 3 files changed, 48 insertions(+)

diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h
index 2b854161c61..7eb08a6d3f9 100644
--- a/drivers/net/ixgbe/ixgbe.h
+++ b/drivers/net/ixgbe/ixgbe.h
@@ -457,6 +457,7 @@ extern int ixgbe_fcoe_disable(struct net_device *netdev);
 extern u8 ixgbe_fcoe_getapp(struct ixgbe_adapter *adapter);
 extern u8 ixgbe_fcoe_setapp(struct ixgbe_adapter *adapter, u8 up);
 #endif /* CONFIG_IXGBE_DCB */
+extern int ixgbe_fcoe_get_wwn(struct net_device *netdev, u64 *wwn, int type);
 #endif /* IXGBE_FCOE */
 
 #endif /* _IXGBE_H_ */
diff --git a/drivers/net/ixgbe/ixgbe_fcoe.c b/drivers/net/ixgbe/ixgbe_fcoe.c
index a3c9f99515e..edecdc853c1 100644
--- a/drivers/net/ixgbe/ixgbe_fcoe.c
+++ b/drivers/net/ixgbe/ixgbe_fcoe.c
@@ -718,3 +718,49 @@ u8 ixgbe_fcoe_setapp(struct ixgbe_adapter *adapter, u8 up)
 	return 1;
 }
 #endif /* CONFIG_IXGBE_DCB */
+
+/**
+ * ixgbe_fcoe_get_wwn - get world wide name for the node or the port
+ * @netdev : ixgbe adapter
+ * @wwn : the world wide name
+ * @type: the type of world wide name
+ *
+ * Returns the node or port world wide name if both the prefix and the san
+ * mac address are valid, then the wwn is formed based on the NAA-2 for
+ * IEEE Extended name identifier (ref. to T10 FC-LS Spec., Sec. 15.3).
+ *
+ * Returns : 0 on success
+ */
+int ixgbe_fcoe_get_wwn(struct net_device *netdev, u64 *wwn, int type)
+{
+	int rc = -EINVAL;
+	u16 prefix = 0xffff;
+	struct ixgbe_adapter *adapter = netdev_priv(netdev);
+	struct ixgbe_mac_info *mac = &adapter->hw.mac;
+
+	switch (type) {
+	case NETDEV_FCOE_WWNN:
+		prefix = mac->wwnn_prefix;
+		break;
+	case NETDEV_FCOE_WWPN:
+		prefix = mac->wwpn_prefix;
+		break;
+	default:
+		break;
+	}
+
+	if ((prefix != 0xffff) &&
+	    is_valid_ether_addr(mac->san_addr)) {
+		*wwn = ((u64) prefix << 48) |
+		       ((u64) mac->san_addr[0] << 40) |
+		       ((u64) mac->san_addr[1] << 32) |
+		       ((u64) mac->san_addr[2] << 24) |
+		       ((u64) mac->san_addr[3] << 16) |
+		       ((u64) mac->san_addr[4] << 8)  |
+		       ((u64) mac->san_addr[5]);
+		rc = 0;
+	}
+	return rc;
+}
+
+
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 4c8a4491970..45c5faf0824 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -5449,6 +5449,7 @@ static const struct net_device_ops ixgbe_netdev_ops = {
 	.ndo_fcoe_ddp_done = ixgbe_fcoe_ddp_put,
 	.ndo_fcoe_enable = ixgbe_fcoe_enable,
 	.ndo_fcoe_disable = ixgbe_fcoe_disable,
+	.ndo_fcoe_get_wwn = ixgbe_fcoe_get_wwn,
 #endif /* IXGBE_FCOE */
 };
 
-- 
GitLab


From d6534799410d2b53e5e80b8a90d6a8bab3de30ed Mon Sep 17 00:00:00 2001
From: Yi Zou <yi.zou@intel.com>
Date: Wed, 28 Oct 2009 18:25:16 +0000
Subject: [PATCH 0684/1815] vlan: Add support to netdev_ops.ndo_fcoe_get_wwn
 for VLAN device

Implements the netdev_ops.ndo_fcoe_get_wwn for VLAN device.

Signed-off-by: Yi Zou <yi.zou@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/8021q/vlan_dev.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index e3701977f58..790fd55ec31 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -626,6 +626,17 @@ static int vlan_dev_fcoe_disable(struct net_device *dev)
 		rc = ops->ndo_fcoe_disable(real_dev);
 	return rc;
 }
+
+static int vlan_dev_fcoe_get_wwn(struct net_device *dev, u64 *wwn, int type)
+{
+	struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
+	const struct net_device_ops *ops = real_dev->netdev_ops;
+	int rc = -EINVAL;
+
+	if (ops->ndo_fcoe_get_wwn)
+		rc = ops->ndo_fcoe_get_wwn(real_dev, wwn, type);
+	return rc;
+}
 #endif
 
 static void vlan_dev_change_rx_flags(struct net_device *dev, int change)
@@ -791,6 +802,7 @@ static const struct net_device_ops vlan_netdev_ops = {
 	.ndo_fcoe_ddp_done	= vlan_dev_fcoe_ddp_done,
 	.ndo_fcoe_enable	= vlan_dev_fcoe_enable,
 	.ndo_fcoe_disable	= vlan_dev_fcoe_disable,
+	.ndo_fcoe_get_wwn	= vlan_dev_fcoe_get_wwn,
 #endif
 };
 
@@ -813,6 +825,7 @@ static const struct net_device_ops vlan_netdev_accel_ops = {
 	.ndo_fcoe_ddp_done	= vlan_dev_fcoe_ddp_done,
 	.ndo_fcoe_enable	= vlan_dev_fcoe_enable,
 	.ndo_fcoe_disable	= vlan_dev_fcoe_disable,
+	.ndo_fcoe_get_wwn	= vlan_dev_fcoe_get_wwn,
 #endif
 };
 
-- 
GitLab


From 945eb31337c2a8a09a62dcf5aca260bcde9c2a6c Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Wed, 28 Oct 2009 18:28:30 +0000
Subject: [PATCH 0685/1815] e1000e: flow control doesn't re-enable

When changing flow control (pause) parameters, the flow control thresholds
(i.e. when to send XON/XOFF frames) may not be setup correctly on parts
with copper media.  Call the existing e1000_set_fc_watermarks()
function to set these thresholds.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/ethtool.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c
index a70999b8c6c..0364b91488a 100644
--- a/drivers/net/e1000e/ethtool.c
+++ b/drivers/net/e1000e/ethtool.c
@@ -335,10 +335,18 @@ static int e1000_set_pauseparam(struct net_device *netdev,
 
 		hw->fc.current_mode = hw->fc.requested_mode;
 
-		retval = ((hw->phy.media_type == e1000_media_type_fiber) ?
-			  hw->mac.ops.setup_link(hw) : e1000e_force_mac_fc(hw));
+		if (hw->phy.media_type == e1000_media_type_fiber) {
+			retval = hw->mac.ops.setup_link(hw);
+			/* implicit goto out */
+		} else {
+			retval = e1000e_force_mac_fc(hw);
+			if (retval)
+				goto out;
+			e1000e_set_fc_watermarks(hw);
+		}
 	}
 
+out:
 	clear_bit(__E1000_RESETTING, &adapter->state);
 	return retval;
 }
-- 
GitLab


From 59fd5d87a4243a992f3a3e69f3627cf4c509608e Mon Sep 17 00:00:00 2001
From: Ajit Khaparde <ajitk@serverengines.com>
Date: Thu, 29 Oct 2009 01:11:06 -0700
Subject: [PATCH 0686/1815] be2net: Add the new PCI IDs to PCI_DEVICE_TABLE.

This patch adds the PCI IDs for the next generation chip to the
PCI_DEVICE_ID table.

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/benet/be_main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index 4520db716b4..43180dc210a 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -31,8 +31,10 @@ MODULE_PARM_DESC(rx_frag_size, "Size of a fragment that holds rcvd data.");
 
 static DEFINE_PCI_DEVICE_TABLE(be_dev_ids) = {
 	{ PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID1) },
+	{ PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID2) },
 	{ PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID1) },
 	{ PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID2) },
+	{ PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID3) },
 	{ 0 }
 };
 MODULE_DEVICE_TABLE(pci, be_dev_ids);
-- 
GitLab


From 8c56ba0530af3d5eee6445dce9dc9296f1f74ed5 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 28 Oct 2009 05:35:35 +0000
Subject: [PATCH 0687/1815] bridge: Optimize multiple unregistration

Speedup module unloading by factorizing synchronize_rcu() calls

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/bridge/br_if.c | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index b1b3b0fbf41..2117e5ba24c 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -154,7 +154,7 @@ static void del_nbp(struct net_bridge_port *p)
 }
 
 /* called with RTNL */
-static void del_br(struct net_bridge *br)
+static void del_br(struct net_bridge *br, struct list_head *head)
 {
 	struct net_bridge_port *p, *n;
 
@@ -165,7 +165,7 @@ static void del_br(struct net_bridge *br)
 	del_timer_sync(&br->gc_timer);
 
 	br_sysfs_delbr(br->dev);
-	unregister_netdevice(br->dev);
+	unregister_netdevice_queue(br->dev, head);
 }
 
 static struct net_device *new_bridge_dev(struct net *net, const char *name)
@@ -323,7 +323,7 @@ int br_del_bridge(struct net *net, const char *name)
 	}
 
 	else
-		del_br(netdev_priv(dev));
+		del_br(netdev_priv(dev), NULL);
 
 	rtnl_unlock();
 	return ret;
@@ -462,15 +462,14 @@ int br_del_if(struct net_bridge *br, struct net_device *dev)
 void br_net_exit(struct net *net)
 {
 	struct net_device *dev;
+	LIST_HEAD(list);
 
 	rtnl_lock();
-restart:
-	for_each_netdev(net, dev) {
-		if (dev->priv_flags & IFF_EBRIDGE) {
-			del_br(netdev_priv(dev));
-			goto restart;
-		}
-	}
+	for_each_netdev(net, dev)
+		if (dev->priv_flags & IFF_EBRIDGE)
+			del_br(netdev_priv(dev), &list);
+
+	unregister_netdevice_many(&list);
 	rtnl_unlock();
 
 }
-- 
GitLab


From cf4432f550a0fe4e08e7cd522568cfbae754582c Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 28 Oct 2009 05:16:51 +0000
Subject: [PATCH 0688/1815] ip6tnl: Optimize multiple unregistration

Speedup module unloading by factorizing synchronize_rcu() calls

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/ip6_tunnel.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 670c291d256..6c1b5c98e81 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1393,14 +1393,19 @@ static void ip6_tnl_destroy_tunnels(struct ip6_tnl_net *ip6n)
 {
 	int h;
 	struct ip6_tnl *t;
+	LIST_HEAD(list);
 
 	for (h = 0; h < HASH_SIZE; h++) {
-		while ((t = ip6n->tnls_r_l[h]) != NULL)
-			unregister_netdevice(t->dev);
+		t = ip6n->tnls_r_l[h];
+		while (t != NULL) {
+			unregister_netdevice_queue(t->dev, &list);
+			t = t->next;
+		}
 	}
 
 	t = ip6n->tnls_wc[0];
-	unregister_netdevice(t->dev);
+	unregister_netdevice_queue(t->dev, &list);
+	unregister_netdevice_many(&list);
 }
 
 static int ip6_tnl_init_net(struct net *net)
-- 
GitLab


From d17fa6fa81d9be6d2dc69aedfabecf904210cbf4 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 28 Oct 2009 05:21:38 +0000
Subject: [PATCH 0689/1815] ipmr: Optimize multiple unregistration

Speedup module unloading by factorizing synchronize_rcu() calls

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/ipmr.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 694974502ea..ef4ee45b928 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -275,7 +275,8 @@ failure:
  *	@notify: Set to 1, if the caller is a notifier_call
  */
 
-static int vif_delete(struct net *net, int vifi, int notify)
+static int vif_delete(struct net *net, int vifi, int notify,
+		      struct list_head *head)
 {
 	struct vif_device *v;
 	struct net_device *dev;
@@ -319,7 +320,7 @@ static int vif_delete(struct net *net, int vifi, int notify)
 	}
 
 	if (v->flags&(VIFF_TUNNEL|VIFF_REGISTER) && !notify)
-		unregister_netdevice(dev);
+		unregister_netdevice_queue(dev, head);
 
 	dev_put(dev);
 	return 0;
@@ -870,14 +871,16 @@ static int ipmr_mfc_add(struct net *net, struct mfcctl *mfc, int mrtsock)
 static void mroute_clean_tables(struct net *net)
 {
 	int i;
+	LIST_HEAD(list);
 
 	/*
 	 *	Shut down all active vif entries
 	 */
 	for (i = 0; i < net->ipv4.maxvif; i++) {
 		if (!(net->ipv4.vif_table[i].flags&VIFF_STATIC))
-			vif_delete(net, i, 0);
+			vif_delete(net, i, 0, &list);
 	}
+	unregister_netdevice_many(&list);
 
 	/*
 	 *	Wipe the cache
@@ -993,7 +996,7 @@ int ip_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, unsi
 		if (optname == MRT_ADD_VIF) {
 			ret = vif_add(net, &vif, sk == net->ipv4.mroute_sk);
 		} else {
-			ret = vif_delete(net, vif.vifc_vifi, 0);
+			ret = vif_delete(net, vif.vifc_vifi, 0, NULL);
 		}
 		rtnl_unlock();
 		return ret;
@@ -1156,6 +1159,7 @@ static int ipmr_device_event(struct notifier_block *this, unsigned long event, v
 	struct net *net = dev_net(dev);
 	struct vif_device *v;
 	int ct;
+	LIST_HEAD(list);
 
 	if (!net_eq(dev_net(dev), net))
 		return NOTIFY_DONE;
@@ -1165,8 +1169,9 @@ static int ipmr_device_event(struct notifier_block *this, unsigned long event, v
 	v = &net->ipv4.vif_table[0];
 	for (ct = 0; ct < net->ipv4.maxvif; ct++, v++) {
 		if (v->dev == dev)
-			vif_delete(net, ct, 1);
+			vif_delete(net, ct, 1, &list);
 	}
+	unregister_netdevice_many(&list);
 	return NOTIFY_DONE;
 }
 
-- 
GitLab


From 62808f91237181dbac74c2b5be4fa92adfbbbe40 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 28 Oct 2009 04:37:43 +0000
Subject: [PATCH 0690/1815] ipv6 sit: Optimize multiple unregistration

Speedup module unloading by factorizing synchronize_rcu() calls

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/sit.c | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index b6b16264b30..2362a3397e9 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -1145,16 +1145,19 @@ static struct xfrm_tunnel sit_handler = {
 	.priority	=	1,
 };
 
-static void sit_destroy_tunnels(struct sit_net *sitn)
+static void sit_destroy_tunnels(struct sit_net *sitn, struct list_head *head)
 {
 	int prio;
 
 	for (prio = 1; prio < 4; prio++) {
 		int h;
 		for (h = 0; h < HASH_SIZE; h++) {
-			struct ip_tunnel *t;
-			while ((t = sitn->tunnels[prio][h]) != NULL)
-				unregister_netdevice(t->dev);
+			struct ip_tunnel *t = sitn->tunnels[prio][h];
+
+			while (t != NULL) {
+				unregister_netdevice_queue(t->dev, head);
+				t = t->next;
+			}
 		}
 	}
 }
@@ -1208,11 +1211,13 @@ err_alloc:
 static void sit_exit_net(struct net *net)
 {
 	struct sit_net *sitn;
+	LIST_HEAD(list);
 
 	sitn = net_generic(net, sit_net_id);
 	rtnl_lock();
-	sit_destroy_tunnels(sitn);
-	unregister_netdevice(sitn->fb_tunnel_dev);
+	sit_destroy_tunnels(sitn, &list);
+	unregister_netdevice_queue(sitn->fb_tunnel_dev, &list);
+	unregister_netdevice_many(&list);
 	rtnl_unlock();
 	kfree(sitn);
 }
-- 
GitLab


From c871e664ea39363c2a1011ec2dc4bc172dc396a0 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 28 Oct 2009 04:48:11 +0000
Subject: [PATCH 0691/1815] ip6mr: Optimize multiple unregistration

Speedup module unloading by factorizing synchronize_rcu() calls

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/ip6mr.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 85849b4f5a3..52e0f74fdfe 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -477,7 +477,7 @@ failure:
  *	Delete a VIF entry
  */
 
-static int mif6_delete(struct net *net, int vifi)
+static int mif6_delete(struct net *net, int vifi, struct list_head *head)
 {
 	struct mif_device *v;
 	struct net_device *dev;
@@ -519,7 +519,7 @@ static int mif6_delete(struct net *net, int vifi)
 		in6_dev->cnf.mc_forwarding--;
 
 	if (v->flags & MIFF_REGISTER)
-		unregister_netdevice(dev);
+		unregister_netdevice_queue(dev, head);
 
 	dev_put(dev);
 	return 0;
@@ -976,6 +976,7 @@ static int ip6mr_device_event(struct notifier_block *this,
 	struct net *net = dev_net(dev);
 	struct mif_device *v;
 	int ct;
+	LIST_HEAD(list);
 
 	if (event != NETDEV_UNREGISTER)
 		return NOTIFY_DONE;
@@ -983,8 +984,10 @@ static int ip6mr_device_event(struct notifier_block *this,
 	v = &net->ipv6.vif6_table[0];
 	for (ct = 0; ct < net->ipv6.maxvif; ct++, v++) {
 		if (v->dev == dev)
-			mif6_delete(net, ct);
+			mif6_delete(net, ct, &list);
 	}
+	unregister_netdevice_many(&list);
+
 	return NOTIFY_DONE;
 }
 
@@ -1188,14 +1191,16 @@ static int ip6mr_mfc_add(struct net *net, struct mf6cctl *mfc, int mrtsock)
 static void mroute_clean_tables(struct net *net)
 {
 	int i;
+	LIST_HEAD(list);
 
 	/*
 	 *	Shut down all active vif entries
 	 */
 	for (i = 0; i < net->ipv6.maxvif; i++) {
 		if (!(net->ipv6.vif6_table[i].flags & VIFF_STATIC))
-			mif6_delete(net, i);
+			mif6_delete(net, i, &list);
 	}
+	unregister_netdevice_many(&list);
 
 	/*
 	 *	Wipe the cache
@@ -1325,7 +1330,7 @@ int ip6_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, uns
 		if (copy_from_user(&mifi, optval, sizeof(mifi_t)))
 			return -EFAULT;
 		rtnl_lock();
-		ret = mif6_delete(net, mifi);
+		ret = mif6_delete(net, mifi, NULL);
 		rtnl_unlock();
 		return ret;
 
-- 
GitLab


From f55017a93f1a74d50244b1254b9a2bd7ac9bbf7d Mon Sep 17 00:00:00 2001
From: Gilad Ben-Yossef <gilad@codefidence.com>
Date: Wed, 28 Oct 2009 04:15:21 +0000
Subject: [PATCH 0692/1815] Only parse time stamp TCP option in time wait sock

Since we only use tcp_parse_options here to check for the exietence
of TCP timestamp option in the header, it is better to call with
the "established" flag on.

Signed-off-by: Gilad Ben-Yossef <gilad@codefidence.com>
Signed-off-by: Ori Finkelman <ori@comsleep.com>
Signed-off-by: Yony Amit <yony@comsleep.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/tcp_minisocks.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 4c03598ed92..015e7c67dc8 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -100,9 +100,9 @@ tcp_timewait_state_process(struct inet_timewait_sock *tw, struct sk_buff *skb,
 	struct tcp_options_received tmp_opt;
 	int paws_reject = 0;
 
-	tmp_opt.saw_tstamp = 0;
 	if (th->doff > (sizeof(*th) >> 2) && tcptw->tw_ts_recent_stamp) {
-		tcp_parse_options(skb, &tmp_opt, 0);
+		tmp_opt.tstamp_ok = 1;
+		tcp_parse_options(skb, &tmp_opt, 1);
 
 		if (tmp_opt.saw_tstamp) {
 			tmp_opt.ts_recent	= tcptw->tw_ts_recent;
-- 
GitLab


From 022c3f7d82f0f1c68018696f2f027b87b9bb45c2 Mon Sep 17 00:00:00 2001
From: Gilad Ben-Yossef <gilad@codefidence.com>
Date: Wed, 28 Oct 2009 04:15:22 +0000
Subject: [PATCH 0693/1815] Allow tcp_parse_options to consult dst entry

We need tcp_parse_options to be aware of dst_entry to
take into account per dst_entry TCP options settings

Signed-off-by: Gilad Ben-Yossef <gilad@codefidence.com>
Sigend-off-by: Ori Finkelman <ori@comsleep.com>
Sigend-off-by: Yony Amit <yony@comsleep.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/tcp.h        |  3 ++-
 net/ipv4/syncookies.c    | 27 ++++++++++++++-------------
 net/ipv4/tcp_input.c     |  9 ++++++---
 net/ipv4/tcp_ipv4.c      | 21 ++++++++++++---------
 net/ipv4/tcp_minisocks.c |  7 +++++--
 net/ipv6/syncookies.c    | 28 +++++++++++++++-------------
 net/ipv6/tcp_ipv6.c      |  3 ++-
 7 files changed, 56 insertions(+), 42 deletions(-)

diff --git a/include/net/tcp.h b/include/net/tcp.h
index 03a49c70337..740d09be8e2 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -409,7 +409,8 @@ extern int			tcp_recvmsg(struct kiocb *iocb, struct sock *sk,
 
 extern void			tcp_parse_options(struct sk_buff *skb,
 						  struct tcp_options_received *opt_rx,
-						  int estab);
+						  int estab,
+						  struct dst_entry *dst);
 
 extern u8			*tcp_parse_md5sig_option(struct tcphdr *th);
 
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index 5ec678ad70e..3146cc40174 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -276,13 +276,6 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb,
 
 	NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_SYNCOOKIESRECV);
 
-	/* check for timestamp cookie support */
-	memset(&tcp_opt, 0, sizeof(tcp_opt));
-	tcp_parse_options(skb, &tcp_opt, 0);
-
-	if (tcp_opt.saw_tstamp)
-		cookie_check_timestamp(&tcp_opt);
-
 	ret = NULL;
 	req = inet_reqsk_alloc(&tcp_request_sock_ops); /* for safety */
 	if (!req)
@@ -298,12 +291,6 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb,
 	ireq->loc_addr		= ip_hdr(skb)->daddr;
 	ireq->rmt_addr		= ip_hdr(skb)->saddr;
 	ireq->ecn_ok		= 0;
-	ireq->snd_wscale	= tcp_opt.snd_wscale;
-	ireq->rcv_wscale	= tcp_opt.rcv_wscale;
-	ireq->sack_ok		= tcp_opt.sack_ok;
-	ireq->wscale_ok		= tcp_opt.wscale_ok;
-	ireq->tstamp_ok		= tcp_opt.saw_tstamp;
-	req->ts_recent		= tcp_opt.saw_tstamp ? tcp_opt.rcv_tsval : 0;
 
 	/* We throwed the options of the initial SYN away, so we hope
 	 * the ACK carries the same options again (see RFC1122 4.2.3.8)
@@ -352,6 +339,20 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb,
 		}
 	}
 
+	/* check for timestamp cookie support */
+	memset(&tcp_opt, 0, sizeof(tcp_opt));
+	tcp_parse_options(skb, &tcp_opt, 0, &rt->u.dst);
+
+	if (tcp_opt.saw_tstamp)
+		cookie_check_timestamp(&tcp_opt);
+
+	ireq->snd_wscale        = tcp_opt.snd_wscale;
+	ireq->rcv_wscale        = tcp_opt.rcv_wscale;
+	ireq->sack_ok           = tcp_opt.sack_ok;
+	ireq->wscale_ok         = tcp_opt.wscale_ok;
+	ireq->tstamp_ok         = tcp_opt.saw_tstamp;
+	req->ts_recent          = tcp_opt.saw_tstamp ? tcp_opt.rcv_tsval : 0;
+
 	/* Try to redo what tcp_v4_send_synack did. */
 	req->window_clamp = tp->window_clamp ? :dst_metric(&rt->u.dst, RTAX_WINDOW);
 
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index a0c3700bae3..c7625005486 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -3698,12 +3698,14 @@ old_ack:
  * the fast version below fails.
  */
 void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx,
-		       int estab)
+		       int estab,  struct dst_entry *dst)
 {
 	unsigned char *ptr;
 	struct tcphdr *th = tcp_hdr(skb);
 	int length = (th->doff * 4) - sizeof(struct tcphdr);
 
+	BUG_ON(!estab && !dst);
+
 	ptr = (unsigned char *)(th + 1);
 	opt_rx->saw_tstamp = 0;
 
@@ -3820,7 +3822,7 @@ static int tcp_fast_parse_options(struct sk_buff *skb, struct tcphdr *th,
 		if (tcp_parse_aligned_timestamp(tp, th))
 			return 1;
 	}
-	tcp_parse_options(skb, &tp->rx_opt, 1);
+	tcp_parse_options(skb, &tp->rx_opt, 1, NULL);
 	return 1;
 }
 
@@ -5364,8 +5366,9 @@ static int tcp_rcv_synsent_state_process(struct sock *sk, struct sk_buff *skb,
 	struct tcp_sock *tp = tcp_sk(sk);
 	struct inet_connection_sock *icsk = inet_csk(sk);
 	int saved_clamp = tp->rx_opt.mss_clamp;
+	struct dst_entry *dst = __sk_dst_get(sk);
 
-	tcp_parse_options(skb, &tp->rx_opt, 0);
+	tcp_parse_options(skb, &tp->rx_opt, 0, dst);
 
 	if (th->ack) {
 		/* rfc793:
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index a4a3390a528..657ae334f12 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1257,11 +1257,21 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
 	tcp_rsk(req)->af_specific = &tcp_request_sock_ipv4_ops;
 #endif
 
+	ireq = inet_rsk(req);
+	ireq->loc_addr = daddr;
+	ireq->rmt_addr = saddr;
+	ireq->no_srccheck = inet_sk(sk)->transparent;
+	ireq->opt = tcp_v4_save_options(sk, skb);
+
+	dst = inet_csk_route_req(sk, req);
+	if(!dst)
+		goto drop_and_free;
+
 	tcp_clear_options(&tmp_opt);
 	tmp_opt.mss_clamp = 536;
 	tmp_opt.user_mss  = tcp_sk(sk)->rx_opt.user_mss;
 
-	tcp_parse_options(skb, &tmp_opt, 0);
+	tcp_parse_options(skb, &tmp_opt, 0, dst);
 
 	if (want_cookie && !tmp_opt.saw_tstamp)
 		tcp_clear_options(&tmp_opt);
@@ -1270,14 +1280,8 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
 
 	tcp_openreq_init(req, &tmp_opt, skb);
 
-	ireq = inet_rsk(req);
-	ireq->loc_addr = daddr;
-	ireq->rmt_addr = saddr;
-	ireq->no_srccheck = inet_sk(sk)->transparent;
-	ireq->opt = tcp_v4_save_options(sk, skb);
-
 	if (security_inet_conn_request(sk, skb, req))
-		goto drop_and_free;
+		goto drop_and_release;
 
 	if (!want_cookie)
 		TCP_ECN_create_request(req, tcp_hdr(skb));
@@ -1302,7 +1306,6 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
 		 */
 		if (tmp_opt.saw_tstamp &&
 		    tcp_death_row.sysctl_tw_recycle &&
-		    (dst = inet_csk_route_req(sk, req)) != NULL &&
 		    (peer = rt_get_peer((struct rtable *)dst)) != NULL &&
 		    peer->v4daddr == saddr) {
 			if (get_seconds() < peer->tcp_ts_stamp + TCP_PAWS_MSL &&
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 015e7c67dc8..463d51b53d3 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -102,7 +102,7 @@ tcp_timewait_state_process(struct inet_timewait_sock *tw, struct sk_buff *skb,
 
 	if (th->doff > (sizeof(*th) >> 2) && tcptw->tw_ts_recent_stamp) {
 		tmp_opt.tstamp_ok = 1;
-		tcp_parse_options(skb, &tmp_opt, 1);
+		tcp_parse_options(skb, &tmp_opt, 1, NULL);
 
 		if (tmp_opt.saw_tstamp) {
 			tmp_opt.ts_recent	= tcptw->tw_ts_recent;
@@ -500,10 +500,11 @@ struct sock *tcp_check_req(struct sock *sk, struct sk_buff *skb,
 	int paws_reject = 0;
 	struct tcp_options_received tmp_opt;
 	struct sock *child;
+	struct dst_entry *dst = inet_csk_route_req(sk, req);
 
 	tmp_opt.saw_tstamp = 0;
 	if (th->doff > (sizeof(struct tcphdr)>>2)) {
-		tcp_parse_options(skb, &tmp_opt, 0);
+		tcp_parse_options(skb, &tmp_opt, 0, dst);
 
 		if (tmp_opt.saw_tstamp) {
 			tmp_opt.ts_recent = req->ts_recent;
@@ -516,6 +517,8 @@ struct sock *tcp_check_req(struct sock *sk, struct sk_buff *skb,
 		}
 	}
 
+	dst_release(dst);
+
 	/* Check for pure retransmitted SYN. */
 	if (TCP_SKB_CB(skb)->seq == tcp_rsk(req)->rcv_isn &&
 	    flg == TCP_FLAG_SYN &&
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index c46da533888..612fc53e0bb 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -184,13 +184,6 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
 
 	NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_SYNCOOKIESRECV);
 
-	/* check for timestamp cookie support */
-	memset(&tcp_opt, 0, sizeof(tcp_opt));
-	tcp_parse_options(skb, &tcp_opt, 0);
-
-	if (tcp_opt.saw_tstamp)
-		cookie_check_timestamp(&tcp_opt);
-
 	ret = NULL;
 	req = inet6_reqsk_alloc(&tcp6_request_sock_ops);
 	if (!req)
@@ -224,12 +217,6 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
 	req->expires = 0UL;
 	req->retrans = 0;
 	ireq->ecn_ok		= 0;
-	ireq->snd_wscale	= tcp_opt.snd_wscale;
-	ireq->rcv_wscale	= tcp_opt.rcv_wscale;
-	ireq->sack_ok		= tcp_opt.sack_ok;
-	ireq->wscale_ok		= tcp_opt.wscale_ok;
-	ireq->tstamp_ok		= tcp_opt.saw_tstamp;
-	req->ts_recent		= tcp_opt.saw_tstamp ? tcp_opt.rcv_tsval : 0;
 	treq->rcv_isn = ntohl(th->seq) - 1;
 	treq->snt_isn = cookie;
 
@@ -265,6 +252,21 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
 			goto out_free;
 	}
 
+	/* check for timestamp cookie support */
+	memset(&tcp_opt, 0, sizeof(tcp_opt));
+	tcp_parse_options(skb, &tcp_opt, 0, dst);
+
+	if (tcp_opt.saw_tstamp)
+		cookie_check_timestamp(&tcp_opt);
+
+	req->ts_recent          = tcp_opt.saw_tstamp ? tcp_opt.rcv_tsval : 0;
+
+	ireq->snd_wscale        = tcp_opt.snd_wscale;
+	ireq->rcv_wscale        = tcp_opt.rcv_wscale;
+	ireq->sack_ok           = tcp_opt.sack_ok;
+	ireq->wscale_ok         = tcp_opt.wscale_ok;
+	ireq->tstamp_ok         = tcp_opt.saw_tstamp;
+
 	req->window_clamp = tp->window_clamp ? :dst_metric(dst, RTAX_WINDOW);
 	tcp_select_initial_window(tcp_full_space(sk), req->mss,
 				  &req->rcv_wnd, &req->window_clamp,
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index c54ec3615de..34925f089e0 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1167,6 +1167,7 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
 	struct tcp_sock *tp = tcp_sk(sk);
 	struct request_sock *req = NULL;
 	__u32 isn = TCP_SKB_CB(skb)->when;
+	struct dst_entry *dst = __sk_dst_get(sk);
 #ifdef CONFIG_SYN_COOKIES
 	int want_cookie = 0;
 #else
@@ -1205,7 +1206,7 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
 	tmp_opt.mss_clamp = IPV6_MIN_MTU - sizeof(struct tcphdr) - sizeof(struct ipv6hdr);
 	tmp_opt.user_mss = tp->rx_opt.user_mss;
 
-	tcp_parse_options(skb, &tmp_opt, 0);
+	tcp_parse_options(skb, &tmp_opt, 0, dst);
 
 	if (want_cookie && !tmp_opt.saw_tstamp)
 		tcp_clear_options(&tmp_opt);
-- 
GitLab


From 0c3adfb8ec9f85a63556b70f11e0fcf280545951 Mon Sep 17 00:00:00 2001
From: Gilad Ben-Yossef <gilad@codefidence.com>
Date: Wed, 28 Oct 2009 04:15:23 +0000
Subject: [PATCH 0694/1815] Add dst_feature to query route entry features

Adding an accessor to existing  dst_entry feautres field and
refactor the only supported feature (allfrag) to use it.

Signed-off-by: Gilad Ben-Yossef <gilad@codefidence.com>
Sigend-off-by: Ori Finkelman <ori@comsleep.com>
Sigend-off-by: Yony Amit <yony@comsleep.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/dst.h | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/include/net/dst.h b/include/net/dst.h
index 720d90653a8..6377ab2feba 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -111,6 +111,12 @@ dst_metric(const struct dst_entry *dst, int metric)
 	return dst->metrics[metric-1];
 }
 
+static inline u32
+dst_feature(const struct dst_entry *dst, u32 feature)
+{
+	return dst_metric(dst, RTAX_FEATURES) & feature;
+}
+
 static inline u32 dst_mtu(const struct dst_entry *dst)
 {
 	u32 mtu = dst_metric(dst, RTAX_MTU);
@@ -136,7 +142,7 @@ static inline void set_dst_metric_rtt(struct dst_entry *dst, int metric,
 static inline u32
 dst_allfrag(const struct dst_entry *dst)
 {
-	int ret = dst_metric(dst, RTAX_FEATURES) & RTAX_FEATURE_ALLFRAG;
+	int ret = dst_feature(dst,  RTAX_FEATURE_ALLFRAG);
 	/* Yes, _exactly_. This is paranoia. */
 	barrier();
 	return ret;
-- 
GitLab


From 1aba721eba1d84a2defce45b950272cee1e6c72a Mon Sep 17 00:00:00 2001
From: Gilad Ben-Yossef <gilad@codefidence.com>
Date: Wed, 28 Oct 2009 04:15:24 +0000
Subject: [PATCH 0695/1815] Add the no SACK route option feature

Implement querying and acting upon the no sack bit in the features
field.

Signed-off-by: Gilad Ben-Yossef <gilad@codefidence.com>
Sigend-off-by: Ori Finkelman <ori@comsleep.com>
Sigend-off-by: Yony Amit <yony@comsleep.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/rtnetlink.h | 2 +-
 net/ipv4/tcp_input.c      | 3 ++-
 net/ipv4/tcp_output.c     | 4 +++-
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index adf2068d12b..9c802a6b04d 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -377,7 +377,7 @@ enum
 #define RTAX_MAX (__RTAX_MAX - 1)
 
 #define RTAX_FEATURE_ECN	0x00000001
-#define RTAX_FEATURE_SACK	0x00000002
+#define RTAX_FEATURE_NO_SACK	0x00000002
 #define RTAX_FEATURE_TIMESTAMP	0x00000004
 #define RTAX_FEATURE_ALLFRAG	0x00000008
 
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index c7625005486..5fb25f97745 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -3763,7 +3763,8 @@ void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx,
 				break;
 			case TCPOPT_SACK_PERM:
 				if (opsize == TCPOLEN_SACK_PERM && th->syn &&
-				    !estab && sysctl_tcp_sack) {
+				    !estab && sysctl_tcp_sack &&
+				    !dst_feature(dst, RTAX_FEATURE_NO_SACK)) {
 					opt_rx->sack_ok = 1;
 					tcp_sack_reset(opt_rx);
 				}
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 2e2eb74ac4c..b35802af3c4 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -464,6 +464,7 @@ static unsigned tcp_syn_options(struct sock *sk, struct sk_buff *skb,
 				struct tcp_md5sig_key **md5) {
 	struct tcp_sock *tp = tcp_sk(sk);
 	unsigned size = 0;
+	struct dst_entry *dst = __sk_dst_get(sk);
 
 #ifdef CONFIG_TCP_MD5SIG
 	*md5 = tp->af_specific->md5_lookup(sk, sk);
@@ -498,7 +499,8 @@ static unsigned tcp_syn_options(struct sock *sk, struct sk_buff *skb,
 		opts->options |= OPTION_WSCALE;
 		size += TCPOLEN_WSCALE_ALIGNED;
 	}
-	if (likely(sysctl_tcp_sack)) {
+	if (likely(sysctl_tcp_sack &&
+		   !dst_feature(dst, RTAX_FEATURE_NO_SACK))) {
 		opts->options |= OPTION_SACK_ADVERTISE;
 		if (unlikely(!(OPTION_TS & opts->options)))
 			size += TCPOLEN_SACKPERM_ALIGNED;
-- 
GitLab


From cda42ebd67ee5fdf09d7057b5a4584d36fe8a335 Mon Sep 17 00:00:00 2001
From: Gilad Ben-Yossef <gilad@codefidence.com>
Date: Wed, 28 Oct 2009 04:15:25 +0000
Subject: [PATCH 0696/1815] Allow disabling TCP timestamp options per route

Implement querying and acting upon the no timestamp bit in the feature
field.

Signed-off-by: Gilad Ben-Yossef <gilad@codefidence.com>
Sigend-off-by: Ori Finkelman <ori@comsleep.com>
Sigend-off-by: Yony Amit <yony@comsleep.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/rtnetlink.h | 2 +-
 net/ipv4/tcp_input.c      | 3 ++-
 net/ipv4/tcp_output.c     | 8 ++++++--
 3 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index 9c802a6b04d..2ab8c758b46 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -378,7 +378,7 @@ enum
 
 #define RTAX_FEATURE_ECN	0x00000001
 #define RTAX_FEATURE_NO_SACK	0x00000002
-#define RTAX_FEATURE_TIMESTAMP	0x00000004
+#define RTAX_FEATURE_NO_TSTAMP	0x00000004
 #define RTAX_FEATURE_ALLFRAG	0x00000008
 
 struct rta_session
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 5fb25f97745..6097491aa9f 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -3755,7 +3755,8 @@ void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx,
 			case TCPOPT_TIMESTAMP:
 				if ((opsize == TCPOLEN_TIMESTAMP) &&
 				    ((estab && opt_rx->tstamp_ok) ||
-				     (!estab && sysctl_tcp_timestamps))) {
+				     (!estab && sysctl_tcp_timestamps &&
+				      !dst_feature(dst, RTAX_FEATURE_NO_TSTAMP)))) {
 					opt_rx->saw_tstamp = 1;
 					opt_rx->rcv_tsval = get_unaligned_be32(ptr);
 					opt_rx->rcv_tsecr = get_unaligned_be32(ptr + 4);
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index b35802af3c4..8819eba8ebb 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -488,7 +488,9 @@ static unsigned tcp_syn_options(struct sock *sk, struct sk_buff *skb,
 	opts->mss = tcp_advertise_mss(sk);
 	size += TCPOLEN_MSS_ALIGNED;
 
-	if (likely(sysctl_tcp_timestamps && *md5 == NULL)) {
+	if (likely(sysctl_tcp_timestamps &&
+		   !dst_feature(dst, RTAX_FEATURE_NO_TSTAMP) &&
+		   *md5 == NULL)) {
 		opts->options |= OPTION_TS;
 		opts->tsval = TCP_SKB_CB(skb)->when;
 		opts->tsecr = tp->rx_opt.ts_recent;
@@ -2317,7 +2319,9 @@ static void tcp_connect_init(struct sock *sk)
 	 * See tcp_input.c:tcp_rcv_state_process case TCP_SYN_SENT.
 	 */
 	tp->tcp_header_len = sizeof(struct tcphdr) +
-		(sysctl_tcp_timestamps ? TCPOLEN_TSTAMP_ALIGNED : 0);
+		(sysctl_tcp_timestamps &&
+		(!dst_feature(dst, RTAX_FEATURE_NO_TSTAMP) ?
+		  TCPOLEN_TSTAMP_ALIGNED : 0));
 
 #ifdef CONFIG_TCP_MD5SIG
 	if (tp->af_specific->md5_lookup(sk, sk) != NULL)
-- 
GitLab


From 345cda2fd695534be5a4494f1b59da9daed33663 Mon Sep 17 00:00:00 2001
From: Gilad Ben-Yossef <gilad@codefidence.com>
Date: Wed, 28 Oct 2009 04:15:26 +0000
Subject: [PATCH 0697/1815] Allow to turn off TCP window scale opt per route

Add and use no window scale bit in the features field.

Note that this is not the same as setting a window scale of 0
as would happen with window limit on route.

Signed-off-by: Gilad Ben-Yossef <gilad@codefidence.com>
Sigend-off-by: Ori Finkelman <ori@comsleep.com>
Sigend-off-by: Yony Amit <yony@comsleep.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/rtnetlink.h | 1 +
 net/ipv4/tcp_input.c      | 3 ++-
 net/ipv4/tcp_output.c     | 6 ++++--
 3 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index 2ab8c758b46..6784b342cbb 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -380,6 +380,7 @@ enum
 #define RTAX_FEATURE_NO_SACK	0x00000002
 #define RTAX_FEATURE_NO_TSTAMP	0x00000004
 #define RTAX_FEATURE_ALLFRAG	0x00000008
+#define RTAX_FEATURE_NO_WSCALE	0x00000010
 
 struct rta_session
 {
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 6097491aa9f..393c56921dc 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -3739,7 +3739,8 @@ void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx,
 				break;
 			case TCPOPT_WINDOW:
 				if (opsize == TCPOLEN_WINDOW && th->syn &&
-				    !estab && sysctl_tcp_window_scaling) {
+				    !estab && sysctl_tcp_window_scaling &&
+				    !dst_feature(dst, RTAX_FEATURE_NO_WSCALE)) {
 					__u8 snd_wscale = *(__u8 *)ptr;
 					opt_rx->wscale_ok = 1;
 					if (snd_wscale > 14) {
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 8819eba8ebb..616c686ca25 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -496,7 +496,8 @@ static unsigned tcp_syn_options(struct sock *sk, struct sk_buff *skb,
 		opts->tsecr = tp->rx_opt.ts_recent;
 		size += TCPOLEN_TSTAMP_ALIGNED;
 	}
-	if (likely(sysctl_tcp_window_scaling)) {
+	if (likely(sysctl_tcp_window_scaling &&
+		   !dst_feature(dst, RTAX_FEATURE_NO_WSCALE))) {
 		opts->ws = tp->rx_opt.rcv_wscale;
 		opts->options |= OPTION_WSCALE;
 		size += TCPOLEN_WSCALE_ALIGNED;
@@ -2347,7 +2348,8 @@ static void tcp_connect_init(struct sock *sk)
 				  tp->advmss - (tp->rx_opt.ts_recent_stamp ? tp->tcp_header_len - sizeof(struct tcphdr) : 0),
 				  &tp->rcv_wnd,
 				  &tp->window_clamp,
-				  sysctl_tcp_window_scaling,
+				  (sysctl_tcp_window_scaling &&
+				   !dst_feature(dst, RTAX_FEATURE_NO_WSCALE)),
 				  &rcv_wscale);
 
 	tp->rx_opt.rcv_wscale = rcv_wscale;
-- 
GitLab


From dc343475ed062e13fc260acccaab91d7d80fd5b2 Mon Sep 17 00:00:00 2001
From: Gilad Ben-Yossef <gilad@codefidence.com>
Date: Wed, 28 Oct 2009 04:15:27 +0000
Subject: [PATCH 0698/1815] Allow disabling of DSACK TCP option per route

Add and use no DSCAK bit in the features field.

Signed-off-by: Gilad Ben-Yossef <gilad@codefidence.com>
Sigend-off-by: Ori Finkelman <ori@comsleep.com>
Sigend-off-by: Yony Amit <yony@comsleep.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/rtnetlink.h | 1 +
 net/ipv4/tcp_input.c      | 8 ++++++--
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index 6784b342cbb..e78b60cd65a 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -381,6 +381,7 @@ enum
 #define RTAX_FEATURE_NO_TSTAMP	0x00000004
 #define RTAX_FEATURE_ALLFRAG	0x00000008
 #define RTAX_FEATURE_NO_WSCALE	0x00000010
+#define RTAX_FEATURE_NO_DSACK	0x00000020
 
 struct rta_session
 {
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 393c56921dc..ba0eab65fe8 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -4080,8 +4080,10 @@ static inline int tcp_sack_extend(struct tcp_sack_block *sp, u32 seq,
 static void tcp_dsack_set(struct sock *sk, u32 seq, u32 end_seq)
 {
 	struct tcp_sock *tp = tcp_sk(sk);
+	struct dst_entry *dst = __sk_dst_get(sk);
 
-	if (tcp_is_sack(tp) && sysctl_tcp_dsack) {
+	if (tcp_is_sack(tp) && sysctl_tcp_dsack &&
+	    !dst_feature(dst, RTAX_FEATURE_NO_DSACK)) {
 		int mib_idx;
 
 		if (before(seq, tp->rcv_nxt))
@@ -4110,13 +4112,15 @@ static void tcp_dsack_extend(struct sock *sk, u32 seq, u32 end_seq)
 static void tcp_send_dupack(struct sock *sk, struct sk_buff *skb)
 {
 	struct tcp_sock *tp = tcp_sk(sk);
+	struct dst_entry *dst = __sk_dst_get(sk);
 
 	if (TCP_SKB_CB(skb)->end_seq != TCP_SKB_CB(skb)->seq &&
 	    before(TCP_SKB_CB(skb)->seq, tp->rcv_nxt)) {
 		NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_DELAYEDACKLOST);
 		tcp_enter_quickack_mode(sk);
 
-		if (tcp_is_sack(tp) && sysctl_tcp_dsack) {
+		if (tcp_is_sack(tp) && sysctl_tcp_dsack &&
+		    !dst_feature(dst, RTAX_FEATURE_NO_DSACK)) {
 			u32 end_seq = TCP_SKB_CB(skb)->end_seq;
 
 			if (after(TCP_SKB_CB(skb)->end_seq, tp->rcv_nxt))
-- 
GitLab


From 6c91191668d32ea15e6950de4ee35b6c75cf4da8 Mon Sep 17 00:00:00 2001
From: Tilman Schmidt <tilman@imap.cc>
Date: Sun, 25 Oct 2009 09:29:37 +0000
Subject: [PATCH 0699/1815] gigaset: CAPI module readability improvements

Replace the "ignoring Additional Info" warning message by better
readable ones citing the specific subparameters being ignored.
Make parts of the code more readable by using a local cmsg
pointer variable.

Impact: readability improvement
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/isdn/gigaset/capi.c | 144 ++++++++++++++++++++----------------
 1 file changed, 81 insertions(+), 63 deletions(-)

diff --git a/drivers/isdn/gigaset/capi.c b/drivers/isdn/gigaset/capi.c
index c276a925b36..ac0a2da1eef 100644
--- a/drivers/isdn/gigaset/capi.c
+++ b/drivers/isdn/gigaset/capi.c
@@ -168,14 +168,6 @@ static inline void ignore_cstruct_param(struct cardstate *cs, _cstruct param,
 			 msgname, paramname);
 }
 
-static inline void ignore_cmstruct_param(struct cardstate *cs, _cmstruct param,
-				       char *msgname, char *paramname)
-{
-	if (param != CAPI_DEFAULT)
-		dev_warn(cs->dev, "%s: ignoring unsupported parameter: %s\n",
-			 msgname, paramname);
-}
-
 /*
  * check for legal hex digit
  */
@@ -1062,6 +1054,7 @@ static void do_facility_req(struct gigaset_capi_ctr *iif,
 			    struct sk_buff *skb)
 {
 	struct cardstate *cs = iif->ctr.driverdata;
+	_cmsg *cmsg = &iif->acmsg;
 	struct sk_buff *cskb;
 	u8 *pparam;
 	unsigned int msgsize = CAPI_FACILITY_CONF_BASELEN;
@@ -1069,14 +1062,14 @@ static void do_facility_req(struct gigaset_capi_ctr *iif,
 	static u8 confparam[10];	/* max. 9 octets + length byte */
 
 	/* decode message */
-	capi_message2cmsg(&iif->acmsg, skb->data);
-	dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg);
+	capi_message2cmsg(cmsg, skb->data);
+	dump_cmsg(DEBUG_CMD, __func__, cmsg);
 
 	/*
 	 * Facility Request Parameter is not decoded by capi_message2cmsg()
 	 * encoding depends on Facility Selector
 	 */
-	switch (iif->acmsg.FacilitySelector) {
+	switch (cmsg->FacilitySelector) {
 	case CAPI_FACILITY_DTMF:	/* ToDo */
 		info = CapiFacilityNotSupported;
 		confparam[0] = 2;	/* length */
@@ -1093,7 +1086,7 @@ static void do_facility_req(struct gigaset_capi_ctr *iif,
 
 	case CAPI_FACILITY_SUPPSVC:
 		/* decode Function parameter */
-		pparam = iif->acmsg.FacilityRequestParameter;
+		pparam = cmsg->FacilityRequestParameter;
 		if (pparam == NULL || *pparam < 2) {
 			dev_notice(cs->dev, "%s: %s missing\n", "FACILITY_REQ",
 				   "Facility Request Parameter");
@@ -1141,18 +1134,18 @@ static void do_facility_req(struct gigaset_capi_ctr *iif,
 	}
 
 	/* send FACILITY_CONF with given Info and confirmation parameter */
-	capi_cmsg_answer(&iif->acmsg);
-	iif->acmsg.Info = info;
-	iif->acmsg.FacilityConfirmationParameter = confparam;
+	capi_cmsg_answer(cmsg);
+	cmsg->Info = info;
+	cmsg->FacilityConfirmationParameter = confparam;
 	msgsize += confparam[0];	/* length */
 	cskb = alloc_skb(msgsize, GFP_ATOMIC);
 	if (!cskb) {
 		dev_err(cs->dev, "%s: out of memory\n", __func__);
 		return;
 	}
-	capi_cmsg2message(&iif->acmsg, __skb_put(cskb, msgsize));
-	dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg);
-		capi_ctr_handle_message(&iif->ctr, ap->id, cskb);
+	capi_cmsg2message(cmsg, __skb_put(cskb, msgsize));
+	dump_cmsg(DEBUG_CMD, __func__, cmsg);
+	capi_ctr_handle_message(&iif->ctr, ap->id, cskb);
 }
 
 
@@ -1207,8 +1200,8 @@ static void do_connect_req(struct gigaset_capi_ctr *iif,
 	u16 info;
 
 	/* decode message */
-	capi_message2cmsg(&iif->acmsg, skb->data);
-	dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg);
+	capi_message2cmsg(cmsg, skb->data);
+	dump_cmsg(DEBUG_CMD, __func__, cmsg);
 
 	/* get free B channel & construct PLCI */
 	bcs = gigaset_get_free_channel(cs);
@@ -1411,8 +1404,16 @@ static void do_connect_req(struct gigaset_capi_ctr *iif,
 					"CONNECT_REQ", "Calling pty subaddr");
 	ignore_cstruct_param(cs, cmsg->LLC,
 					"CONNECT_REQ", "LLC");
-	ignore_cmstruct_param(cs, cmsg->AdditionalInfo,
-					"CONNECT_REQ", "Additional Info");
+	if (cmsg->AdditionalInfo != CAPI_DEFAULT) {
+		ignore_cstruct_param(cs, cmsg->BChannelinformation,
+					"CONNECT_REQ", "B Channel Information");
+		ignore_cstruct_param(cs, cmsg->Keypadfacility,
+					"CONNECT_REQ", "Keypad Facility");
+		ignore_cstruct_param(cs, cmsg->Useruserdata,
+					"CONNECT_REQ", "User-User Data");
+		ignore_cstruct_param(cs, cmsg->Facilitydataarray,
+					"CONNECT_REQ", "Facility Data Array");
+	}
 
 	/* encode parameter: B channel to use */
 	commands[AT_ISO] = kmalloc(9, GFP_KERNEL);
@@ -1458,8 +1459,8 @@ static void do_connect_resp(struct gigaset_capi_ctr *iif,
 	int channel;
 
 	/* decode message */
-	capi_message2cmsg(&iif->acmsg, skb->data);
-	dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg);
+	capi_message2cmsg(cmsg, skb->data);
+	dump_cmsg(DEBUG_CMD, __func__, cmsg);
 	dev_kfree_skb(skb);
 
 	/* extract and check channel number from PLCI */
@@ -1524,8 +1525,16 @@ static void do_connect_resp(struct gigaset_capi_ctr *iif,
 					"CONNECT_RESP", "Connected Subaddress");
 		ignore_cstruct_param(cs, cmsg->LLC,
 					"CONNECT_RESP", "LLC");
-		ignore_cmstruct_param(cs, cmsg->AdditionalInfo,
-					"CONNECT_RESP", "Additional Info");
+		if (cmsg->AdditionalInfo != CAPI_DEFAULT) {
+			ignore_cstruct_param(cs, cmsg->BChannelinformation,
+					"CONNECT_RESP", "BChannel Information");
+			ignore_cstruct_param(cs, cmsg->Keypadfacility,
+					"CONNECT_RESP", "Keypad Facility");
+			ignore_cstruct_param(cs, cmsg->Useruserdata,
+					"CONNECT_RESP", "User-User Data");
+			ignore_cstruct_param(cs, cmsg->Facilitydataarray,
+					"CONNECT_RESP", "Facility Data Array");
+		}
 
 		/* Accept call */
 		if (!gigaset_add_event(cs, &cs->bcs[channel-1].at_state,
@@ -1587,17 +1596,18 @@ static void do_connect_b3_req(struct gigaset_capi_ctr *iif,
 			      struct sk_buff *skb)
 {
 	struct cardstate *cs = iif->ctr.driverdata;
+	_cmsg *cmsg = &iif->acmsg;
 	int channel;
 
 	/* decode message */
-	capi_message2cmsg(&iif->acmsg, skb->data);
-	dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg);
+	capi_message2cmsg(cmsg, skb->data);
+	dump_cmsg(DEBUG_CMD, __func__, cmsg);
 
 	/* extract and check channel number from PLCI */
-	channel = (iif->acmsg.adr.adrPLCI >> 8) & 0xff;
+	channel = (cmsg->adr.adrPLCI >> 8) & 0xff;
 	if (!channel || channel > cs->channels) {
 		dev_notice(cs->dev, "%s: invalid %s 0x%02x\n",
-			   "CONNECT_B3_REQ", "PLCI", iif->acmsg.adr.adrPLCI);
+			   "CONNECT_B3_REQ", "PLCI", cmsg->adr.adrPLCI);
 		send_conf(iif, ap, skb, CapiIllContrPlciNcci);
 		return;
 	}
@@ -1606,14 +1616,12 @@ static void do_connect_b3_req(struct gigaset_capi_ctr *iif,
 	ap->connected = APCONN_ACTIVE;
 
 	/* build NCCI: always 1 (one B3 connection only) */
-	iif->acmsg.adr.adrNCCI |= 1 << 16;
+	cmsg->adr.adrNCCI |= 1 << 16;
 
 	/* NCPI parameter: not applicable for B3 Transparent */
-	ignore_cstruct_param(cs, iif->acmsg.NCPI,
-				"CONNECT_B3_REQ", "NCPI");
-	send_conf(iif, ap, skb,
-		  (iif->acmsg.NCPI && iif->acmsg.NCPI[0]) ?
-			CapiNcpiNotSupportedByProtocol : CapiSuccess);
+	ignore_cstruct_param(cs, cmsg->NCPI, "CONNECT_B3_REQ", "NCPI");
+	send_conf(iif, ap, skb, (cmsg->NCPI && cmsg->NCPI[0]) ?
+				CapiNcpiNotSupportedByProtocol : CapiSuccess);
 }
 
 /*
@@ -1628,27 +1636,28 @@ static void do_connect_b3_resp(struct gigaset_capi_ctr *iif,
 			       struct sk_buff *skb)
 {
 	struct cardstate *cs = iif->ctr.driverdata;
-	struct bc_state *bcs = NULL;
+	_cmsg *cmsg = &iif->acmsg;
+	struct bc_state *bcs;
 	int channel;
 	unsigned int msgsize;
 	u8 command;
 
 	/* decode message */
-	capi_message2cmsg(&iif->acmsg, skb->data);
-	dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg);
+	capi_message2cmsg(cmsg, skb->data);
+	dump_cmsg(DEBUG_CMD, __func__, cmsg);
 
 	/* extract and check channel number and NCCI */
-	channel = (iif->acmsg.adr.adrNCCI >> 8) & 0xff;
+	channel = (cmsg->adr.adrNCCI >> 8) & 0xff;
 	if (!channel || channel > cs->channels ||
-	    ((iif->acmsg.adr.adrNCCI >> 16) & 0xffff) != 1) {
+	    ((cmsg->adr.adrNCCI >> 16) & 0xffff) != 1) {
 		dev_notice(cs->dev, "%s: invalid %s 0x%02x\n",
-			   "CONNECT_B3_RESP", "NCCI", iif->acmsg.adr.adrNCCI);
+			   "CONNECT_B3_RESP", "NCCI", cmsg->adr.adrNCCI);
 		dev_kfree_skb(skb);
 		return;
 	}
 	bcs = &cs->bcs[channel-1];
 
-	if (iif->acmsg.Reject) {
+	if (cmsg->Reject) {
 		/* Reject: clear B3 connect received flag */
 		ap->connected = APCONN_SETUP;
 
@@ -1673,11 +1682,11 @@ static void do_connect_b3_resp(struct gigaset_capi_ctr *iif,
 		command = CAPI_CONNECT_B3_ACTIVE;
 		msgsize = CAPI_CONNECT_B3_ACTIVE_IND_BASELEN;
 	}
-	capi_cmsg_header(&iif->acmsg, ap->id, command, CAPI_IND,
-			 ap->nextMessageNumber++, iif->acmsg.adr.adrNCCI);
+	capi_cmsg_header(cmsg, ap->id, command, CAPI_IND,
+			 ap->nextMessageNumber++, cmsg->adr.adrNCCI);
 	__skb_trim(skb, msgsize);
-	capi_cmsg2message(&iif->acmsg, skb->data);
-	dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg);
+	capi_cmsg2message(cmsg, skb->data);
+	dump_cmsg(DEBUG_CMD, __func__, cmsg);
 	capi_ctr_handle_message(&iif->ctr, ap->id, skb);
 }
 
@@ -1691,28 +1700,37 @@ static void do_disconnect_req(struct gigaset_capi_ctr *iif,
 			      struct sk_buff *skb)
 {
 	struct cardstate *cs = iif->ctr.driverdata;
+	_cmsg *cmsg = &iif->acmsg;
 	struct bc_state *bcs;
 	_cmsg *b3cmsg;
 	struct sk_buff *b3skb;
 	int channel;
 
 	/* decode message */
-	capi_message2cmsg(&iif->acmsg, skb->data);
-	dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg);
+	capi_message2cmsg(cmsg, skb->data);
+	dump_cmsg(DEBUG_CMD, __func__, cmsg);
 
 	/* extract and check channel number from PLCI */
-	channel = (iif->acmsg.adr.adrPLCI >> 8) & 0xff;
+	channel = (cmsg->adr.adrPLCI >> 8) & 0xff;
 	if (!channel || channel > cs->channels) {
 		dev_notice(cs->dev, "%s: invalid %s 0x%02x\n",
-			   "DISCONNECT_REQ", "PLCI", iif->acmsg.adr.adrPLCI);
+			   "DISCONNECT_REQ", "PLCI", cmsg->adr.adrPLCI);
 		send_conf(iif, ap, skb, CapiIllContrPlciNcci);
 		return;
 	}
 	bcs = cs->bcs + channel - 1;
 
 	/* ToDo: process parameter: Additional info */
-	ignore_cmstruct_param(cs, iif->acmsg.AdditionalInfo,
-			      "DISCONNECT_REQ", "Additional Info");
+	if (cmsg->AdditionalInfo != CAPI_DEFAULT) {
+		ignore_cstruct_param(cs, cmsg->BChannelinformation,
+				     "DISCONNECT_REQ", "B Channel Information");
+		ignore_cstruct_param(cs, cmsg->Keypadfacility,
+				     "DISCONNECT_REQ", "Keypad Facility");
+		ignore_cstruct_param(cs, cmsg->Useruserdata,
+				     "DISCONNECT_REQ", "User-User Data");
+		ignore_cstruct_param(cs, cmsg->Facilitydataarray,
+				     "DISCONNECT_REQ", "Facility Data Array");
+	}
 
 	/* skip if DISCONNECT_IND already sent */
 	if (!ap->connected)
@@ -1733,7 +1751,7 @@ static void do_disconnect_req(struct gigaset_capi_ctr *iif,
 		}
 		capi_cmsg_header(b3cmsg, ap->id, CAPI_DISCONNECT_B3, CAPI_IND,
 				 ap->nextMessageNumber++,
-				 iif->acmsg.adr.adrPLCI | (1 << 16));
+				 cmsg->adr.adrPLCI | (1 << 16));
 		b3cmsg->Reason_B3 = CapiProtocolErrorLayer1;
 		b3skb = alloc_skb(CAPI_DISCONNECT_B3_IND_BASELEN, GFP_KERNEL);
 		if (b3skb == NULL) {
@@ -1769,18 +1787,19 @@ static void do_disconnect_b3_req(struct gigaset_capi_ctr *iif,
 				 struct sk_buff *skb)
 {
 	struct cardstate *cs = iif->ctr.driverdata;
+	_cmsg *cmsg = &iif->acmsg;
 	int channel;
 
 	/* decode message */
-	capi_message2cmsg(&iif->acmsg, skb->data);
-	dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg);
+	capi_message2cmsg(cmsg, skb->data);
+	dump_cmsg(DEBUG_CMD, __func__, cmsg);
 
 	/* extract and check channel number and NCCI */
-	channel = (iif->acmsg.adr.adrNCCI >> 8) & 0xff;
+	channel = (cmsg->adr.adrNCCI >> 8) & 0xff;
 	if (!channel || channel > cs->channels ||
-	    ((iif->acmsg.adr.adrNCCI >> 16) & 0xffff) != 1) {
+	    ((cmsg->adr.adrNCCI >> 16) & 0xffff) != 1) {
 		dev_notice(cs->dev, "%s: invalid %s 0x%02x\n",
-			   "DISCONNECT_B3_REQ", "NCCI", iif->acmsg.adr.adrNCCI);
+			   "DISCONNECT_B3_REQ", "NCCI", cmsg->adr.adrNCCI);
 		send_conf(iif, ap, skb, CapiIllContrPlciNcci);
 		return;
 	}
@@ -1803,11 +1822,10 @@ static void do_disconnect_b3_req(struct gigaset_capi_ctr *iif,
 	gigaset_schedule_event(cs);
 
 	/* NCPI parameter: not applicable for B3 Transparent */
-	ignore_cstruct_param(cs, iif->acmsg.NCPI,
+	ignore_cstruct_param(cs, cmsg->NCPI,
 				"DISCONNECT_B3_REQ", "NCPI");
-	send_conf(iif, ap, skb,
-		  (iif->acmsg.NCPI && iif->acmsg.NCPI[0]) ?
-			CapiNcpiNotSupportedByProtocol : CapiSuccess);
+	send_conf(iif, ap, skb, (cmsg->NCPI && cmsg->NCPI[0]) ?
+				CapiNcpiNotSupportedByProtocol : CapiSuccess);
 }
 
 /*
-- 
GitLab


From 22077ebceb44f4097d4677e2a26bc1175143d647 Mon Sep 17 00:00:00 2001
From: Tilman Schmidt <tilman@imap.cc>
Date: Sun, 25 Oct 2009 09:29:47 +0000
Subject: [PATCH 0700/1815] gigaset: fix format string typo in CAPI dial
 command

A missing dot lead to garbage characters being included in the
dial command generated from a CAPI CONNECT_REQ message, which
interestingly enough worked anyway, illustrating the resilience
of the device.

Impact: bugfix
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/isdn/gigaset/capi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/isdn/gigaset/capi.c b/drivers/isdn/gigaset/capi.c
index ac0a2da1eef..d1afac2bf65 100644
--- a/drivers/isdn/gigaset/capi.c
+++ b/drivers/isdn/gigaset/capi.c
@@ -1254,7 +1254,7 @@ static void do_connect_req(struct gigaset_capi_ctr *iif,
 	commands[AT_DIAL] = kmalloc(l+3, GFP_KERNEL);
 	if (!commands[AT_DIAL])
 		goto oom;
-	snprintf(commands[AT_DIAL], l+3, "D%*s\r", l, pp);
+	snprintf(commands[AT_DIAL], l+3, "D%.*s\r", l, pp);
 
 	/* encode parameter: Calling party number */
 	pp = cmsg->CallingPartyNumber;
-- 
GitLab


From 4dd8230acd20cb456cae02696b3da2986faad258 Mon Sep 17 00:00:00 2001
From: Tilman Schmidt <tilman@imap.cc>
Date: Sun, 25 Oct 2009 09:29:57 +0000
Subject: [PATCH 0701/1815] gigaset: fix bad assumptions about CAPI skbuffs

The CAPI interface incorrectly assumed that CAPI messages would always
start at the beginning of the data buffer: fix by treating DATA_B3
messages as the link layer header to their payload data. This fix
changes the way acknowledgement information is propagated through the
hardware specific modules and thereby impacts the ISDN4Linux variant
of the driver, too.

Also some assumptions about methods not being called from interrupt
context turned out to be unwarranted; fix by using dev_kfree_skb_any()
wherever non-interrupt context isn't guaranteed.

Impact: bugfix
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/isdn/gigaset/asyncdata.c | 55 ++++++++++++++++++--------------
 drivers/isdn/gigaset/capi.c      | 29 +++++++++--------
 drivers/isdn/gigaset/gigaset.h   |  2 +-
 drivers/isdn/gigaset/i4l.c       | 28 +++++++++++-----
 drivers/isdn/gigaset/isocdata.c  |  6 ++--
 5 files changed, 70 insertions(+), 50 deletions(-)

diff --git a/drivers/isdn/gigaset/asyncdata.c b/drivers/isdn/gigaset/asyncdata.c
index a25216bf475..256fc4809c8 100644
--- a/drivers/isdn/gigaset/asyncdata.c
+++ b/drivers/isdn/gigaset/asyncdata.c
@@ -156,7 +156,7 @@ byte_stuff:
 
 				/* end of frame */
 				gigaset_isdn_rcv_err(bcs);
-				dev_kfree_skb(skb);
+				dev_kfree_skb_any(skb);
 			} else if (!(inputstate & INS_have_data)) { /* 7E 7E */
 #ifdef CONFIG_GIGASET_DEBUG
 				++bcs->emptycount;
@@ -172,7 +172,7 @@ byte_stuff:
 				"Checksum failed, %u bytes corrupted!\n",
 						skb->len);
 					gigaset_isdn_rcv_err(bcs);
-					dev_kfree_skb(skb);
+					dev_kfree_skb_any(skb);
 				} else if (likely(skb->len > 2)) {
 					__skb_trim(skb, skb->len - 2);
 					gigaset_skb_rcvd(bcs, skb);
@@ -182,7 +182,7 @@ byte_stuff:
 					"invalid packet size (%d)\n", skb->len);
 						gigaset_isdn_rcv_err(bcs);
 					}
-					dev_kfree_skb(skb);
+					dev_kfree_skb_any(skb);
 				}
 			}
 
@@ -430,11 +430,11 @@ EXPORT_SYMBOL_GPL(gigaset_m10x_input);
  * opening and closing flags, preserving headroom data.
  * parameters:
  *	skb		skb containing original packet (freed upon return)
- *	headroom	number of headroom bytes to preserve
  * Return value:
  *	pointer to newly allocated skb containing the result frame
+ *	and the original link layer header, NULL on error
  */
-static struct sk_buff *HDLC_Encode(struct sk_buff *skb, int headroom)
+static struct sk_buff *HDLC_Encode(struct sk_buff *skb)
 {
 	struct sk_buff *hdlc_skb;
 	__u16 fcs;
@@ -456,17 +456,19 @@ static struct sk_buff *HDLC_Encode(struct sk_buff *skb, int headroom)
 
 	/* size of new buffer: original size + number of stuffing bytes
 	 * + 2 bytes FCS + 2 stuffing bytes for FCS (if needed) + 2 flag bytes
-	 * + room for acknowledgement header
+	 * + room for link layer header
 	 */
-	hdlc_skb = dev_alloc_skb(skb->len + stuf_cnt + 6 + headroom);
+	hdlc_skb = dev_alloc_skb(skb->len + stuf_cnt + 6 + skb->mac_len);
 	if (!hdlc_skb) {
-		dev_kfree_skb(skb);
+		dev_kfree_skb_any(skb);
 		return NULL;
 	}
 
-	/* Copy acknowledgement header into new skb */
-	skb_reserve(hdlc_skb, headroom);
-	memcpy(hdlc_skb->head, skb->head, headroom);
+	/* Copy link layer header into new skb */
+	skb_reset_mac_header(hdlc_skb);
+	skb_reserve(hdlc_skb, skb->mac_len);
+	memcpy(skb_mac_header(hdlc_skb), skb_mac_header(skb), skb->mac_len);
+	hdlc_skb->mac_len = skb->mac_len;
 
 	/* Add flag sequence in front of everything.. */
 	*(skb_put(hdlc_skb, 1)) = PPP_FLAG;
@@ -497,7 +499,7 @@ static struct sk_buff *HDLC_Encode(struct sk_buff *skb, int headroom)
 
 	*(skb_put(hdlc_skb, 1)) = PPP_FLAG;
 
-	dev_kfree_skb(skb);
+	dev_kfree_skb_any(skb);
 	return hdlc_skb;
 }
 
@@ -506,28 +508,33 @@ static struct sk_buff *HDLC_Encode(struct sk_buff *skb, int headroom)
  * preserving headroom data.
  * parameters:
  *	skb		skb containing original packet (freed upon return)
- *	headroom	number of headroom bytes to preserve
  * Return value:
  *	pointer to newly allocated skb containing the result frame
+ *	and the original link layer header, NULL on error
  */
-static struct sk_buff *iraw_encode(struct sk_buff *skb, int headroom)
+static struct sk_buff *iraw_encode(struct sk_buff *skb)
 {
 	struct sk_buff *iraw_skb;
 	unsigned char c;
 	unsigned char *cp;
 	int len;
 
-	/* worst case: every byte must be stuffed */
-	iraw_skb = dev_alloc_skb(2*skb->len + headroom);
+	/* size of new buffer (worst case = every byte must be stuffed):
+	 * 2 * original size + room for link layer header
+	 */
+	iraw_skb = dev_alloc_skb(2*skb->len + skb->mac_len);
 	if (!iraw_skb) {
-		dev_kfree_skb(skb);
+		dev_kfree_skb_any(skb);
 		return NULL;
 	}
 
-	/* Copy acknowledgement header into new skb */
-	skb_reserve(iraw_skb, headroom);
-	memcpy(iraw_skb->head, skb->head, headroom);
+	/* copy link layer header into new skb */
+	skb_reset_mac_header(iraw_skb);
+	skb_reserve(iraw_skb, skb->mac_len);
+	memcpy(skb_mac_header(iraw_skb), skb_mac_header(skb), skb->mac_len);
+	iraw_skb->mac_len = skb->mac_len;
 
+	/* copy and stuff data */
 	cp = skb->data;
 	len = skb->len;
 	while (len--) {
@@ -536,7 +543,7 @@ static struct sk_buff *iraw_encode(struct sk_buff *skb, int headroom)
 			*(skb_put(iraw_skb, 1)) = c;
 		*(skb_put(iraw_skb, 1)) = c;
 	}
-	dev_kfree_skb(skb);
+	dev_kfree_skb_any(skb);
 	return iraw_skb;
 }
 
@@ -548,7 +555,7 @@ static struct sk_buff *iraw_encode(struct sk_buff *skb, int headroom)
  * Called by LL to encode and queue an skb for sending, and start
  * transmission if necessary.
  * Once the payload data has been transmitted completely, gigaset_skb_sent()
- * will be called with the first cs->hw_hdr_len bytes of skb->head preserved.
+ * will be called with the skb's link layer header preserved.
  *
  * Return value:
  *	number of bytes accepted for sending (skb->len) if ok,
@@ -560,9 +567,9 @@ int gigaset_m10x_send_skb(struct bc_state *bcs, struct sk_buff *skb)
 	unsigned long flags;
 
 	if (bcs->proto2 == L2_HDLC)
-		skb = HDLC_Encode(skb, bcs->cs->hw_hdr_len);
+		skb = HDLC_Encode(skb);
 	else
-		skb = iraw_encode(skb, bcs->cs->hw_hdr_len);
+		skb = iraw_encode(skb);
 	if (!skb) {
 		dev_err(bcs->cs->dev,
 			"unable to allocate memory for encoding!\n");
diff --git a/drivers/isdn/gigaset/capi.c b/drivers/isdn/gigaset/capi.c
index d1afac2bf65..3f5cd06af10 100644
--- a/drivers/isdn/gigaset/capi.c
+++ b/drivers/isdn/gigaset/capi.c
@@ -362,6 +362,7 @@ void gigaset_skb_sent(struct bc_state *bcs, struct sk_buff *dskb)
 	struct cardstate *cs = bcs->cs;
 	struct gigaset_capi_ctr *iif = cs->iif;
 	struct gigaset_capi_appl *ap = bcs->ap;
+	unsigned char *req = skb_mac_header(dskb);
 	struct sk_buff *cskb;
 	u16 flags;
 
@@ -380,7 +381,7 @@ void gigaset_skb_sent(struct bc_state *bcs, struct sk_buff *dskb)
 	}
 
 	/* ToDo: honor unset "delivery confirmation" bit */
-	flags = CAPIMSG_FLAGS(dskb->head);
+	flags = CAPIMSG_FLAGS(req);
 
 	/* build DATA_B3_CONF message */
 	cskb = alloc_skb(CAPI_DATA_B3_CONF_LEN, GFP_ATOMIC);
@@ -393,11 +394,11 @@ void gigaset_skb_sent(struct bc_state *bcs, struct sk_buff *dskb)
 	CAPIMSG_SETAPPID(cskb->data, ap->id);
 	CAPIMSG_SETCOMMAND(cskb->data, CAPI_DATA_B3);
 	CAPIMSG_SETSUBCOMMAND(cskb->data,  CAPI_CONF);
-	CAPIMSG_SETMSGID(cskb->data, CAPIMSG_MSGID(dskb->head));
+	CAPIMSG_SETMSGID(cskb->data, CAPIMSG_MSGID(req));
 	CAPIMSG_SETCONTROLLER(cskb->data, iif->ctr.cnr);
 	CAPIMSG_SETPLCI_PART(cskb->data, bcs->channel + 1);
 	CAPIMSG_SETNCCI_PART(cskb->data, 1);
-	CAPIMSG_SETHANDLE_CONF(cskb->data, CAPIMSG_HANDLE_REQ(dskb->head));
+	CAPIMSG_SETHANDLE_CONF(cskb->data, CAPIMSG_HANDLE_REQ(req));
 	if (flags & ~CAPI_FLAGS_DELIVERY_CONFIRMATION)
 		CAPIMSG_SETINFO_CONF(cskb->data,
 				     CapiFlagsNotSupportedByProtocol);
@@ -437,7 +438,7 @@ void gigaset_skb_rcvd(struct bc_state *bcs, struct sk_buff *skb)
 	/* don't send further B3 messages if disconnected */
 	if (ap->connected < APCONN_ACTIVE) {
 		gig_dbg(DEBUG_LLDATA, "disconnected, discarding data");
-		dev_kfree_skb(skb);
+		dev_kfree_skb_any(skb);
 		return;
 	}
 
@@ -1461,7 +1462,7 @@ static void do_connect_resp(struct gigaset_capi_ctr *iif,
 	/* decode message */
 	capi_message2cmsg(cmsg, skb->data);
 	dump_cmsg(DEBUG_CMD, __func__, cmsg);
-	dev_kfree_skb(skb);
+	dev_kfree_skb_any(skb);
 
 	/* extract and check channel number from PLCI */
 	channel = (cmsg->adr.adrPLCI >> 8) & 0xff;
@@ -1652,7 +1653,7 @@ static void do_connect_b3_resp(struct gigaset_capi_ctr *iif,
 	    ((cmsg->adr.adrNCCI >> 16) & 0xffff) != 1) {
 		dev_notice(cs->dev, "%s: invalid %s 0x%02x\n",
 			   "CONNECT_B3_RESP", "NCCI", cmsg->adr.adrNCCI);
-		dev_kfree_skb(skb);
+		dev_kfree_skb_any(skb);
 		return;
 	}
 	bcs = &cs->bcs[channel-1];
@@ -1665,7 +1666,7 @@ static void do_connect_b3_resp(struct gigaset_capi_ctr *iif,
 		if (!gigaset_add_event(cs, &bcs->at_state,
 				       EV_HUP, NULL, 0, NULL)) {
 			dev_err(cs->dev, "%s: out of memory\n", __func__);
-			dev_kfree_skb(skb);
+			dev_kfree_skb_any(skb);
 			return;
 		}
 		gig_dbg(DEBUG_CMD, "scheduling HUP");
@@ -1880,12 +1881,12 @@ static void do_data_b3_req(struct gigaset_capi_ctr *iif,
 		return;
 	}
 
-	/*
-	 * pull CAPI message from skb,
-	 * pass payload data to device-specific module
-	 * CAPI message will be preserved in headroom
-	 */
+	/* pull CAPI message into link layer header */
+	skb_reset_mac_header(skb);
+	skb->mac_len = msglen;
 	skb_pull(skb, msglen);
+
+	/* pass to device-specific module */
 	if (cs->ops->send_skb(&cs->bcs[channel-1], skb) < 0) {
 		send_conf(iif, ap, skb, CAPI_MSGOSRESOURCEERR);
 		return;
@@ -1946,7 +1947,7 @@ static void do_nothing(struct gigaset_capi_ctr *iif,
 		capi_message2cmsg(&iif->acmsg, skb->data);
 		dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg);
 	}
-	dev_kfree_skb(skb);
+	dev_kfree_skb_any(skb);
 }
 
 static void do_data_b3_resp(struct gigaset_capi_ctr *iif,
@@ -1954,7 +1955,7 @@ static void do_data_b3_resp(struct gigaset_capi_ctr *iif,
 			    struct sk_buff *skb)
 {
 	dump_rawmsg(DEBUG_LLDATA, __func__, skb->data);
-	dev_kfree_skb(skb);
+	dev_kfree_skb_any(skb);
 }
 
 /* table of outgoing CAPI message handlers with lookup function */
diff --git a/drivers/isdn/gigaset/gigaset.h b/drivers/isdn/gigaset/gigaset.h
index 4749ef100fd..c59216b9c1d 100644
--- a/drivers/isdn/gigaset/gigaset.h
+++ b/drivers/isdn/gigaset/gigaset.h
@@ -625,7 +625,7 @@ struct gigaset_ops {
 
 	/* Called from LL interface to put an skb into the send-queue.
 	 * After sending is completed, gigaset_skb_sent() must be called
-	 * with the first cs->hw_hdr_len bytes of skb->head preserved. */
+	 * with the skb's link layer header preserved. */
 	int (*send_skb)(struct bc_state *bcs, struct sk_buff *skb);
 
 	/* Called from ev-layer.c to process a block of data
diff --git a/drivers/isdn/gigaset/i4l.c b/drivers/isdn/gigaset/i4l.c
index aca72a06184..828824f905c 100644
--- a/drivers/isdn/gigaset/i4l.c
+++ b/drivers/isdn/gigaset/i4l.c
@@ -41,8 +41,8 @@ static int writebuf_from_LL(int driverID, int channel, int ack,
 {
 	struct cardstate *cs;
 	struct bc_state *bcs;
+	unsigned char *ack_header;
 	unsigned len;
-	unsigned skblen;
 
 	if (!(cs = gigaset_get_cs_by_id(driverID))) {
 		pr_err("%s: invalid driver ID (%d)\n", __func__, driverID);
@@ -78,11 +78,23 @@ static int writebuf_from_LL(int driverID, int channel, int ack,
 		return -EINVAL;
 	}
 
-	skblen = ack ? len : 0;
-	skb->head[0] = skblen & 0xff;
-	skb->head[1] = skblen >> 8;
-	gig_dbg(DEBUG_MCMD, "skb: len=%u, skblen=%u: %02x %02x",
-		len, skblen, (unsigned) skb->head[0], (unsigned) skb->head[1]);
+	/* set up acknowledgement header */
+	if (skb_headroom(skb) < HW_HDR_LEN) {
+		/* should never happen */
+		dev_err(cs->dev, "%s: insufficient skb headroom\n", __func__);
+		return -ENOMEM;
+	}
+	skb_set_mac_header(skb, -HW_HDR_LEN);
+	skb->mac_len = HW_HDR_LEN;
+	ack_header = skb_mac_header(skb);
+	if (ack) {
+		ack_header[0] = len & 0xff;
+		ack_header[1] = len >> 8;
+	} else {
+		ack_header[0] = ack_header[1] = 0;
+	}
+	gig_dbg(DEBUG_MCMD, "skb: len=%u, ack=%d: %02x %02x",
+		len, ack, ack_header[0], ack_header[1]);
 
 	/* pass to device-specific module */
 	return cs->ops->send_skb(bcs, skb);
@@ -99,6 +111,7 @@ static int writebuf_from_LL(int driverID, int channel, int ack,
 void gigaset_skb_sent(struct bc_state *bcs, struct sk_buff *skb)
 {
 	isdn_if *iif = bcs->cs->iif;
+	unsigned char *ack_header = skb_mac_header(skb);
 	unsigned len;
 	isdn_ctrl response;
 
@@ -108,8 +121,7 @@ void gigaset_skb_sent(struct bc_state *bcs, struct sk_buff *skb)
 		dev_warn(bcs->cs->dev, "%s: skb->len==%d\n",
 			 __func__, skb->len);
 
-	len = (unsigned char) skb->head[0] |
-	      (unsigned) (unsigned char) skb->head[1] << 8;
+	len = ack_header[0] + ((unsigned) ack_header[1] << 8);
 	if (len) {
 		gig_dbg(DEBUG_MCMD, "ACKing to LL (id: %d, ch: %d, sz: %u)",
 			bcs->cs->myid, bcs->channel, len);
diff --git a/drivers/isdn/gigaset/isocdata.c b/drivers/isdn/gigaset/isocdata.c
index 7dabfd35874..bc41611e541 100644
--- a/drivers/isdn/gigaset/isocdata.c
+++ b/drivers/isdn/gigaset/isocdata.c
@@ -576,12 +576,12 @@ static inline void hdlc_done(struct bc_state *bcs)
 		dev_notice(cs->dev, "received short frame (%d octets)\n",
 			   procskb->len);
 		bcs->hw.bas->runts++;
-		dev_kfree_skb(procskb);
+		dev_kfree_skb_any(procskb);
 		gigaset_isdn_rcv_err(bcs);
 	} else if (bcs->fcs != PPP_GOODFCS) {
 		dev_notice(cs->dev, "frame check error (0x%04x)\n", bcs->fcs);
 		bcs->hw.bas->fcserrs++;
-		dev_kfree_skb(procskb);
+		dev_kfree_skb_any(procskb);
 		gigaset_isdn_rcv_err(bcs);
 	} else {
 		len = procskb->len;
@@ -985,7 +985,7 @@ void gigaset_isoc_input(struct inbuf_t *inbuf)
  * Called by LL to queue an skb for sending, and start transmission if
  * necessary.
  * Once the payload data has been transmitted completely, gigaset_skb_sent()
- * will be called with the first cs->hw_hdr_len bytes of skb->head preserved.
+ * will be called with the skb's link layer header preserved.
  *
  * Return value:
  *	number of bytes accepted for sending (skb->len) if ok,
-- 
GitLab


From 2032e2c2309de02cd67b1d26aa701c2a57c4639f Mon Sep 17 00:00:00 2001
From: Tilman Schmidt <tilman@imap.cc>
Date: Sun, 25 Oct 2009 09:30:07 +0000
Subject: [PATCH 0702/1815] usb_gigaset: code cleanup

Reorganize the code of the Gigaset M10x driver to make it more
readable, less redundant, better aligned to the style of other
parts of the driver, and cause fewer checkpatch.pl complaints.

Impact: code reorganization, no functional change
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/isdn/gigaset/asyncdata.c   | 573 ++++++++++++++++-------------
 drivers/isdn/gigaset/common.c      |  34 +-
 drivers/isdn/gigaset/gigaset.h     |  13 +-
 drivers/isdn/gigaset/usb-gigaset.c |  69 ++--
 4 files changed, 358 insertions(+), 331 deletions(-)

diff --git a/drivers/isdn/gigaset/asyncdata.c b/drivers/isdn/gigaset/asyncdata.c
index 256fc4809c8..ccb2a7b7c41 100644
--- a/drivers/isdn/gigaset/asyncdata.c
+++ b/drivers/isdn/gigaset/asyncdata.c
@@ -19,7 +19,7 @@
 
 /* check if byte must be stuffed/escaped
  * I'm not sure which data should be encoded.
- * Therefore I will go the hard way and decode every value
+ * Therefore I will go the hard way and encode every value
  * less than 0x20, the flag sequence and the control escape char.
  */
 static inline int muststuff(unsigned char c)
@@ -35,288 +35,383 @@ static inline int muststuff(unsigned char c)
 
 /* == data input =========================================================== */
 
-/* process a block of received bytes in command mode (modem response)
+/* process a block of received bytes in command mode
+ * (mstate != MS_LOCKED && (inputstate & INS_command))
+ * Append received bytes to the command response buffer and forward them
+ * line by line to the response handler. Exit whenever a mode/state change
+ * might have occurred.
  * Return value:
  *	number of processed bytes
  */
-static inline int cmd_loop(unsigned char c, unsigned char *src, int numbytes,
-			   struct inbuf_t *inbuf)
+static unsigned cmd_loop(unsigned numbytes, struct inbuf_t *inbuf)
 {
+	unsigned char *src = inbuf->data + inbuf->head;
 	struct cardstate *cs = inbuf->cs;
-	unsigned cbytes      = cs->cbytes;
-	int inputstate = inbuf->inputstate;
-	int startbytes = numbytes;
-
-	for (;;) {
-		cs->respdata[cbytes] = c;
-		if (c == 10 || c == 13) {
-			gig_dbg(DEBUG_TRANSCMD, "%s: End of Command (%d Bytes)",
+	unsigned cbytes = cs->cbytes;
+	unsigned procbytes = 0;
+	unsigned char c;
+
+	while (procbytes < numbytes) {
+		c = *src++;
+		procbytes++;
+
+		switch (c) {
+		case '\n':
+			if (cbytes == 0 && cs->respdata[0] == '\r') {
+				/* collapse LF with preceding CR */
+				cs->respdata[0] = 0;
+				break;
+			}
+			/* --v-- fall through --v-- */
+		case '\r':
+			/* end of message line, pass to response handler */
+			gig_dbg(DEBUG_TRANSCMD, "%s: End of Message (%d Bytes)",
 				__func__, cbytes);
+			if (cbytes >= MAX_RESP_SIZE) {
+				dev_warn(cs->dev, "response too large (%d)\n",
+					 cbytes);
+				cbytes = MAX_RESP_SIZE;
+			}
 			cs->cbytes = cbytes;
-			gigaset_handle_modem_response(cs); /* can change
-							      cs->dle */
+			gigaset_handle_modem_response(cs);
 			cbytes = 0;
 
-			if (cs->dle &&
-			    !(inputstate & INS_DLE_command)) {
-				inputstate &= ~INS_command;
-				break;
-			}
-		} else {
-			/* advance in line buffer, checking for overflow */
-			if (cbytes < MAX_RESP_SIZE - 1)
-				cbytes++;
-			else
-				dev_warn(cs->dev, "response too large\n");
-		}
+			/* store EOL byte for CRLF collapsing */
+			cs->respdata[0] = c;
 
-		if (!numbytes)
-			break;
-		c = *src++;
-		--numbytes;
-		if (c == DLE_FLAG &&
-		    (cs->dle || inputstate & INS_DLE_command)) {
-			inputstate |= INS_DLE_char;
-			break;
+			/* cs->dle may have changed */
+			if (cs->dle && !(inbuf->inputstate & INS_DLE_command))
+				inbuf->inputstate &= ~INS_command;
+
+			/* return for reevaluating state */
+			goto exit;
+
+		case DLE_FLAG:
+			if (inbuf->inputstate & INS_DLE_char) {
+				/* quoted DLE: clear quote flag */
+				inbuf->inputstate &= ~INS_DLE_char;
+			} else if (cs->dle ||
+				   (inbuf->inputstate & INS_DLE_command)) {
+				/* DLE escape, pass up for handling */
+				inbuf->inputstate |= INS_DLE_char;
+				goto exit;
+			}
+			/* quoted or not in DLE mode: treat as regular data */
+			/* --v-- fall through --v-- */
+		default:
+			/* append to line buffer if possible */
+			if (cbytes < MAX_RESP_SIZE)
+				cs->respdata[cbytes] = c;
+			cbytes++;
 		}
 	}
-
+exit:
 	cs->cbytes = cbytes;
-	inbuf->inputstate = inputstate;
-
-	return startbytes - numbytes;
+	return procbytes;
 }
 
-/* process a block of received bytes in lock mode (tty i/f)
+/* process a block of received bytes in lock mode
+ * All received bytes are passed unmodified to the tty i/f.
  * Return value:
  *	number of processed bytes
  */
-static inline int lock_loop(unsigned char *src, int numbytes,
-			    struct inbuf_t *inbuf)
+static unsigned lock_loop(unsigned numbytes, struct inbuf_t *inbuf)
 {
-	struct cardstate *cs = inbuf->cs;
-
-	gigaset_dbg_buffer(DEBUG_LOCKCMD, "received response",
-			   numbytes, src);
-	gigaset_if_receive(cs, src, numbytes);
+	unsigned char *src = inbuf->data + inbuf->head;
 
+	gigaset_dbg_buffer(DEBUG_LOCKCMD, "received response", numbytes, src);
+	gigaset_if_receive(inbuf->cs, src, numbytes);
 	return numbytes;
 }
 
+/* set up next receive skb for data mode
+ */
+static void new_rcv_skb(struct bc_state *bcs)
+{
+	struct cardstate *cs = bcs->cs;
+	unsigned short hw_hdr_len = cs->hw_hdr_len;
+
+	if (bcs->ignore) {
+		bcs->skb = NULL;
+		return;
+	}
+
+	bcs->skb = dev_alloc_skb(SBUFSIZE + hw_hdr_len);
+	if (bcs->skb == NULL) {
+		dev_warn(cs->dev, "could not allocate new skb\n");
+		return;
+	}
+	skb_reserve(bcs->skb, hw_hdr_len);
+}
+
 /* process a block of received bytes in HDLC data mode
+ * (mstate != MS_LOCKED && !(inputstate & INS_command) && proto2 == L2_HDLC)
  * Collect HDLC frames, undoing byte stuffing and watching for DLE escapes.
  * When a frame is complete, check the FCS and pass valid frames to the LL.
  * If DLE is encountered, return immediately to let the caller handle it.
  * Return value:
  *	number of processed bytes
- *	numbytes (all bytes processed) on error --FIXME
  */
-static inline int hdlc_loop(unsigned char c, unsigned char *src, int numbytes,
-			    struct inbuf_t *inbuf)
+static unsigned hdlc_loop(unsigned numbytes, struct inbuf_t *inbuf)
 {
 	struct cardstate *cs = inbuf->cs;
-	struct bc_state *bcs = inbuf->bcs;
+	struct bc_state *bcs = cs->bcs;
 	int inputstate = bcs->inputstate;
 	__u16 fcs = bcs->fcs;
 	struct sk_buff *skb = bcs->skb;
-	int startbytes = numbytes;
+	unsigned char *src = inbuf->data + inbuf->head;
+	unsigned procbytes = 0;
+	unsigned char c;
 
-	if (unlikely(inputstate & INS_byte_stuff)) {
+	if (inputstate & INS_byte_stuff) {
+		if (!numbytes)
+			return 0;
 		inputstate &= ~INS_byte_stuff;
 		goto byte_stuff;
 	}
-	for (;;) {
-		if (unlikely(c == PPP_ESCAPE)) {
-			if (unlikely(!numbytes)) {
-				inputstate |= INS_byte_stuff;
+
+	while (procbytes < numbytes) {
+		c = *src++;
+		procbytes++;
+		if (c == DLE_FLAG) {
+			if (inputstate & INS_DLE_char) {
+				/* quoted DLE: clear quote flag */
+				inputstate &= ~INS_DLE_char;
+			} else if (cs->dle || (inputstate & INS_DLE_command)) {
+				/* DLE escape, pass up for handling */
+				inputstate |= INS_DLE_char;
 				break;
 			}
-			c = *src++;
-			--numbytes;
-			if (unlikely(c == DLE_FLAG &&
-				     (cs->dle ||
-				      inbuf->inputstate & INS_DLE_command))) {
-				inbuf->inputstate |= INS_DLE_char;
+		}
+
+		if (c == PPP_ESCAPE) {
+			/* byte stuffing indicator: pull in next byte */
+			if (procbytes >= numbytes) {
+				/* end of buffer, save for later processing */
 				inputstate |= INS_byte_stuff;
 				break;
 			}
 byte_stuff:
+			c = *src++;
+			procbytes++;
+			if (c == DLE_FLAG) {
+				if (inputstate & INS_DLE_char) {
+					/* quoted DLE: clear quote flag */
+					inputstate &= ~INS_DLE_char;
+				} else if (cs->dle ||
+					   (inputstate & INS_DLE_command)) {
+					/* DLE escape, pass up for handling */
+					inputstate |=
+						INS_DLE_char | INS_byte_stuff;
+					break;
+				}
+			}
 			c ^= PPP_TRANS;
-			if (unlikely(!muststuff(c)))
-				gig_dbg(DEBUG_HDLC, "byte stuffed: 0x%02x", c);
-		} else if (unlikely(c == PPP_FLAG)) {
-			if (unlikely(inputstate & INS_skip_frame)) {
 #ifdef CONFIG_GIGASET_DEBUG
-				if (!(inputstate & INS_have_data)) { /* 7E 7E */
-					++bcs->emptycount;
-				} else
-					gig_dbg(DEBUG_HDLC,
-					    "7e----------------------------");
-#endif
-
-				/* end of frame */
-				gigaset_isdn_rcv_err(bcs);
-				dev_kfree_skb_any(skb);
-			} else if (!(inputstate & INS_have_data)) { /* 7E 7E */
-#ifdef CONFIG_GIGASET_DEBUG
-				++bcs->emptycount;
+			if (!muststuff(c))
+				gig_dbg(DEBUG_HDLC, "byte stuffed: 0x%02x", c);
 #endif
-				break;
-			} else {
+		} else if (c == PPP_FLAG) {
+			/* end of frame: process content if any */
+			if (inputstate & INS_have_data) {
 				gig_dbg(DEBUG_HDLC,
 					"7e----------------------------");
 
-				/* end of frame */
-				if (unlikely(fcs != PPP_GOODFCS)) {
+				/* check and pass received frame */
+				if (!skb) {
+					/* skipped frame */
+					gigaset_isdn_rcv_err(bcs);
+				} else if (skb->len < 2) {
+					/* frame too short for FCS */
+					dev_warn(cs->dev,
+						 "short frame (%d)\n",
+						 skb->len);
+					gigaset_isdn_rcv_err(bcs);
+					dev_kfree_skb_any(skb);
+				} else if (fcs != PPP_GOODFCS) {
+					/* frame check error */
 					dev_err(cs->dev,
 				"Checksum failed, %u bytes corrupted!\n",
 						skb->len);
 					gigaset_isdn_rcv_err(bcs);
 					dev_kfree_skb_any(skb);
-				} else if (likely(skb->len > 2)) {
+				} else {
+					/* good frame */
 					__skb_trim(skb, skb->len - 2);
 					gigaset_skb_rcvd(bcs, skb);
-				} else {
-					if (skb->len) {
-						dev_err(cs->dev,
-					"invalid packet size (%d)\n", skb->len);
-						gigaset_isdn_rcv_err(bcs);
-					}
-					dev_kfree_skb_any(skb);
 				}
-			}
 
-			fcs = PPP_INITFCS;
-			inputstate &= ~(INS_have_data | INS_skip_frame);
-			if (unlikely(bcs->ignore)) {
-				inputstate |= INS_skip_frame;
-				skb = NULL;
+				/* prepare reception of next frame */
+				inputstate &= ~INS_have_data;
+				new_rcv_skb(bcs);
+				skb = bcs->skb;
 			} else {
-				skb = dev_alloc_skb(SBUFSIZE + cs->hw_hdr_len);
-				if (skb != NULL) {
-					skb_reserve(skb, cs->hw_hdr_len);
-				} else {
-					dev_warn(cs->dev,
-						"could not allocate new skb\n");
-					inputstate |= INS_skip_frame;
+				/* empty frame (7E 7E) */
+#ifdef CONFIG_GIGASET_DEBUG
+				++bcs->emptycount;
+#endif
+				if (!skb) {
+					/* skipped (?) */
+					gigaset_isdn_rcv_err(bcs);
+					new_rcv_skb(bcs);
+					skb = bcs->skb;
 				}
 			}
 
-			break;
-		} else if (unlikely(muststuff(c))) {
+			fcs = PPP_INITFCS;
+			continue;
+#ifdef CONFIG_GIGASET_DEBUG
+		} else if (muststuff(c)) {
 			/* Should not happen. Possible after ZDLE=1<CR><LF>. */
 			gig_dbg(DEBUG_HDLC, "not byte stuffed: 0x%02x", c);
+#endif
 		}
 
-		/* add character */
-
+		/* regular data byte, append to skb */
 #ifdef CONFIG_GIGASET_DEBUG
-		if (unlikely(!(inputstate & INS_have_data))) {
+		if (!(inputstate & INS_have_data)) {
 			gig_dbg(DEBUG_HDLC, "7e (%d x) ================",
 				bcs->emptycount);
 			bcs->emptycount = 0;
 		}
 #endif
-
 		inputstate |= INS_have_data;
-
-		if (likely(!(inputstate & INS_skip_frame))) {
-			if (unlikely(skb->len == SBUFSIZE)) {
+		if (skb) {
+			if (skb->len == SBUFSIZE) {
 				dev_warn(cs->dev, "received packet too long\n");
 				dev_kfree_skb_any(skb);
-				skb = NULL;
-				inputstate |= INS_skip_frame;
-				break;
+				/* skip remainder of packet */
+				bcs->skb = skb = NULL;
+			} else {
+				*__skb_put(skb, 1) = c;
+				fcs = crc_ccitt_byte(fcs, c);
 			}
-			*__skb_put(skb, 1) = c;
-			fcs = crc_ccitt_byte(fcs, c);
-		}
-
-		if (unlikely(!numbytes))
-			break;
-		c = *src++;
-		--numbytes;
-		if (unlikely(c == DLE_FLAG &&
-			     (cs->dle ||
-			      inbuf->inputstate & INS_DLE_command))) {
-			inbuf->inputstate |= INS_DLE_char;
-			break;
 		}
 	}
+
 	bcs->inputstate = inputstate;
 	bcs->fcs = fcs;
-	bcs->skb = skb;
-	return startbytes - numbytes;
+	return procbytes;
 }
 
 /* process a block of received bytes in transparent data mode
+ * (mstate != MS_LOCKED && !(inputstate & INS_command) && proto2 != L2_HDLC)
  * Invert bytes, undoing byte stuffing and watching for DLE escapes.
  * If DLE is encountered, return immediately to let the caller handle it.
  * Return value:
  *	number of processed bytes
- *	numbytes (all bytes processed) on error --FIXME
  */
-static inline int iraw_loop(unsigned char c, unsigned char *src, int numbytes,
-			    struct inbuf_t *inbuf)
+static unsigned iraw_loop(unsigned numbytes, struct inbuf_t *inbuf)
 {
 	struct cardstate *cs = inbuf->cs;
-	struct bc_state *bcs = inbuf->bcs;
+	struct bc_state *bcs = cs->bcs;
 	int inputstate = bcs->inputstate;
 	struct sk_buff *skb = bcs->skb;
-	int startbytes = numbytes;
+	unsigned char *src = inbuf->data + inbuf->head;
+	unsigned procbytes = 0;
+	unsigned char c;
 
-	for (;;) {
-		/* add character */
-		inputstate |= INS_have_data;
+	if (!skb) {
+		/* skip this block */
+		new_rcv_skb(bcs);
+		return numbytes;
+	}
 
-		if (likely(!(inputstate & INS_skip_frame))) {
-			if (unlikely(skb->len == SBUFSIZE)) {
-				//FIXME just pass skb up and allocate a new one
-				dev_warn(cs->dev, "received packet too long\n");
-				dev_kfree_skb_any(skb);
-				skb = NULL;
-				inputstate |= INS_skip_frame;
+	while (procbytes < numbytes && skb->len < SBUFSIZE) {
+		c = *src++;
+		procbytes++;
+
+		if (c == DLE_FLAG) {
+			if (inputstate & INS_DLE_char) {
+				/* quoted DLE: clear quote flag */
+				inputstate &= ~INS_DLE_char;
+			} else if (cs->dle || (inputstate & INS_DLE_command)) {
+				/* DLE escape, pass up for handling */
+				inputstate |= INS_DLE_char;
 				break;
 			}
-			*__skb_put(skb, 1) = bitrev8(c);
 		}
 
-		if (unlikely(!numbytes))
-			break;
-		c = *src++;
-		--numbytes;
-		if (unlikely(c == DLE_FLAG &&
-			     (cs->dle ||
-			      inbuf->inputstate & INS_DLE_command))) {
-			inbuf->inputstate |= INS_DLE_char;
-			break;
-		}
+		/* regular data byte: append to current skb */
+		inputstate |= INS_have_data;
+		*__skb_put(skb, 1) = bitrev8(c);
 	}
 
 	/* pass data up */
-	if (likely(inputstate & INS_have_data)) {
-		if (likely(!(inputstate & INS_skip_frame))) {
-			gigaset_skb_rcvd(bcs, skb);
-		}
-		inputstate &= ~(INS_have_data | INS_skip_frame);
-		if (unlikely(bcs->ignore)) {
-			inputstate |= INS_skip_frame;
-			skb = NULL;
-		} else {
-			skb = dev_alloc_skb(SBUFSIZE + cs->hw_hdr_len);
-			if (skb != NULL) {
-				skb_reserve(skb, cs->hw_hdr_len);
-			} else {
-				dev_warn(cs->dev,
-					 "could not allocate new skb\n");
-				inputstate |= INS_skip_frame;
+	if (inputstate & INS_have_data) {
+		gigaset_skb_rcvd(bcs, skb);
+		inputstate &= ~INS_have_data;
+		new_rcv_skb(bcs);
+	}
+
+	bcs->inputstate = inputstate;
+	return procbytes;
+}
+
+/* process DLE escapes
+ * Called whenever a DLE sequence might be encountered in the input stream.
+ * Either processes the entire DLE sequence or, if that isn't possible,
+ * notes the fact that an initial DLE has been received in the INS_DLE_char
+ * inputstate flag and resumes processing of the sequence on the next call.
+ */
+static void handle_dle(struct inbuf_t *inbuf)
+{
+	struct cardstate *cs = inbuf->cs;
+
+	if (cs->mstate == MS_LOCKED)
+		return;		/* no DLE processing in lock mode */
+
+	if (!(inbuf->inputstate & INS_DLE_char)) {
+		/* no DLE pending */
+		if (inbuf->data[inbuf->head] == DLE_FLAG &&
+		    (cs->dle || inbuf->inputstate & INS_DLE_command)) {
+			/* start of DLE sequence */
+			inbuf->head++;
+			if (inbuf->head == inbuf->tail ||
+			    inbuf->head == RBUFSIZE) {
+				/* end of buffer, save for later processing */
+				inbuf->inputstate |= INS_DLE_char;
+				return;
 			}
+		} else {
+			/* regular data byte */
+			return;
 		}
 	}
 
-	bcs->inputstate = inputstate;
-	bcs->skb = skb;
-	return startbytes - numbytes;
+	/* consume pending DLE */
+	inbuf->inputstate &= ~INS_DLE_char;
+
+	switch (inbuf->data[inbuf->head]) {
+	case 'X':	/* begin of event message */
+		if (inbuf->inputstate & INS_command)
+			dev_notice(cs->dev,
+				   "received <DLE>X in command mode\n");
+		inbuf->inputstate |= INS_command | INS_DLE_command;
+		inbuf->head++;	/* byte consumed */
+		break;
+	case '.':	/* end of event message */
+		if (!(inbuf->inputstate & INS_DLE_command))
+			dev_notice(cs->dev,
+				   "received <DLE>. without <DLE>X\n");
+		inbuf->inputstate &= ~INS_DLE_command;
+		/* return to data mode if in DLE mode */
+		if (cs->dle)
+			inbuf->inputstate &= ~INS_command;
+		inbuf->head++;	/* byte consumed */
+		break;
+	case DLE_FLAG:	/* DLE in data stream */
+		/* mark as quoted */
+		inbuf->inputstate |= INS_DLE_char;
+		if (!(cs->dle || inbuf->inputstate & INS_DLE_command))
+			dev_notice(cs->dev,
+				   "received <DLE><DLE> not in DLE mode\n");
+		break;	/* quoted byte left in buffer */
+	default:
+		dev_notice(cs->dev, "received <DLE><%02x>\n",
+			   inbuf->data[inbuf->head]);
+		/* quoted byte left in buffer */
+	}
 }
 
 /**
@@ -330,94 +425,39 @@ static inline int iraw_loop(unsigned char c, unsigned char *src, int numbytes,
  */
 void gigaset_m10x_input(struct inbuf_t *inbuf)
 {
-	struct cardstate *cs;
-	unsigned tail, head, numbytes;
-	unsigned char *src, c;
-	int procbytes;
-
-	head = inbuf->head;
-	tail = inbuf->tail;
-	gig_dbg(DEBUG_INTR, "buffer state: %u -> %u", head, tail);
-
-	if (head != tail) {
-		cs = inbuf->cs;
-		src = inbuf->data + head;
-		numbytes = (head > tail ? RBUFSIZE : tail) - head;
-		gig_dbg(DEBUG_INTR, "processing %u bytes", numbytes);
+	struct cardstate *cs = inbuf->cs;
+	unsigned numbytes, procbytes;
 
-		while (numbytes) {
-			if (cs->mstate == MS_LOCKED) {
-				procbytes = lock_loop(src, numbytes, inbuf);
-				src += procbytes;
-				numbytes -= procbytes;
-			} else {
-				c = *src++;
-				--numbytes;
-				if (c == DLE_FLAG && (cs->dle ||
-				    inbuf->inputstate & INS_DLE_command)) {
-					if (!(inbuf->inputstate & INS_DLE_char)) {
-						inbuf->inputstate |= INS_DLE_char;
-						goto nextbyte;
-					}
-					/* <DLE> <DLE> => <DLE> in data stream */
-					inbuf->inputstate &= ~INS_DLE_char;
-				}
+	gig_dbg(DEBUG_INTR, "buffer state: %u -> %u", inbuf->head, inbuf->tail);
 
-				if (!(inbuf->inputstate & INS_DLE_char)) {
-
-					/* FIXME use function pointers?  */
-					if (inbuf->inputstate & INS_command)
-						procbytes = cmd_loop(c, src, numbytes, inbuf);
-					else if (inbuf->bcs->proto2 == L2_HDLC)
-						procbytes = hdlc_loop(c, src, numbytes, inbuf);
-					else
-						procbytes = iraw_loop(c, src, numbytes, inbuf);
-
-					src += procbytes;
-					numbytes -= procbytes;
-				} else {  /* DLE char */
-					inbuf->inputstate &= ~INS_DLE_char;
-					switch (c) {
-					case 'X': /*begin of command*/
-						if (inbuf->inputstate & INS_command)
-							dev_warn(cs->dev,
-					"received <DLE> 'X' in command mode\n");
-						inbuf->inputstate |=
-							INS_command | INS_DLE_command;
-						break;
-					case '.': /*end of command*/
-						if (!(inbuf->inputstate & INS_command))
-							dev_warn(cs->dev,
-					"received <DLE> '.' in hdlc mode\n");
-						inbuf->inputstate &= cs->dle ?
-							~(INS_DLE_command|INS_command)
-							: ~INS_DLE_command;
-						break;
-					//case DLE_FLAG: /*DLE_FLAG in data stream*/ /* schon oben behandelt! */
-					default:
-						dev_err(cs->dev,
-						      "received 0x10 0x%02x!\n",
-							(int) c);
-						/* FIXME: reset driver?? */
-					}
-				}
-			}
-nextbyte:
-			if (!numbytes) {
-				/* end of buffer, check for wrap */
-				if (head > tail) {
-					head = 0;
-					src = inbuf->data;
-					numbytes = tail;
-				} else {
-					head = tail;
-					break;
-				}
-			}
-		}
+	while (inbuf->head != inbuf->tail) {
+		/* check for DLE escape */
+		handle_dle(inbuf);
 
-		gig_dbg(DEBUG_INTR, "setting head to %u", head);
-		inbuf->head = head;
+		/* process a contiguous block of bytes */
+		numbytes = (inbuf->head > inbuf->tail ?
+			    RBUFSIZE : inbuf->tail) - inbuf->head;
+		gig_dbg(DEBUG_INTR, "processing %u bytes", numbytes);
+		/*
+		 * numbytes may be 0 if handle_dle() ate the last byte.
+		 * This does no harm, *_loop() will just return 0 immediately.
+		 */
+
+		if (cs->mstate == MS_LOCKED)
+			procbytes = lock_loop(numbytes, inbuf);
+		else if (inbuf->inputstate & INS_command)
+			procbytes = cmd_loop(numbytes, inbuf);
+		else if (cs->bcs->proto2 == L2_HDLC)
+			procbytes = hdlc_loop(numbytes, inbuf);
+		else
+			procbytes = iraw_loop(numbytes, inbuf);
+		inbuf->head += procbytes;
+
+		/* check for buffer wraparound */
+		if (inbuf->head >= RBUFSIZE)
+			inbuf->head = 0;
+
+		gig_dbg(DEBUG_INTR, "head set to %u", inbuf->head);
 	}
 }
 EXPORT_SYMBOL_GPL(gigaset_m10x_input);
@@ -563,6 +603,7 @@ static struct sk_buff *iraw_encode(struct sk_buff *skb)
  */
 int gigaset_m10x_send_skb(struct bc_state *bcs, struct sk_buff *skb)
 {
+	struct cardstate *cs = bcs->cs;
 	unsigned len = skb->len;
 	unsigned long flags;
 
@@ -571,16 +612,16 @@ int gigaset_m10x_send_skb(struct bc_state *bcs, struct sk_buff *skb)
 	else
 		skb = iraw_encode(skb);
 	if (!skb) {
-		dev_err(bcs->cs->dev,
+		dev_err(cs->dev,
 			"unable to allocate memory for encoding!\n");
 		return -ENOMEM;
 	}
 
 	skb_queue_tail(&bcs->squeue, skb);
-	spin_lock_irqsave(&bcs->cs->lock, flags);
-	if (bcs->cs->connected)
-		tasklet_schedule(&bcs->cs->write_tasklet);
-	spin_unlock_irqrestore(&bcs->cs->lock, flags);
+	spin_lock_irqsave(&cs->lock, flags);
+	if (cs->connected)
+		tasklet_schedule(&cs->write_tasklet);
+	spin_unlock_irqrestore(&cs->lock, flags);
 
 	return len;	/* ok so far */
 }
diff --git a/drivers/isdn/gigaset/common.c b/drivers/isdn/gigaset/common.c
index 1d2ae2e05e0..690ac74c82a 100644
--- a/drivers/isdn/gigaset/common.c
+++ b/drivers/isdn/gigaset/common.c
@@ -400,9 +400,9 @@ static void gigaset_freebcs(struct bc_state *bcs)
 	gig_dbg(DEBUG_INIT, "clearing bcs[%d]->at_state", bcs->channel);
 	clear_at_state(&bcs->at_state);
 	gig_dbg(DEBUG_INIT, "freeing bcs[%d]->skb", bcs->channel);
+	dev_kfree_skb(bcs->skb);
+	bcs->skb = NULL;
 
-	if (bcs->skb)
-		dev_kfree_skb(bcs->skb);
 	for (i = 0; i < AT_NUM; ++i) {
 		kfree(bcs->commands[i]);
 		bcs->commands[i] = NULL;
@@ -560,16 +560,13 @@ void gigaset_at_init(struct at_state_t *at_state, struct bc_state *bcs,
 }
 
 
-static void gigaset_inbuf_init(struct inbuf_t *inbuf, struct bc_state *bcs,
-			       struct cardstate *cs, int inputstate)
+static void gigaset_inbuf_init(struct inbuf_t *inbuf, struct cardstate *cs)
 /* inbuf->read must be allocated before! */
 {
 	inbuf->head = 0;
 	inbuf->tail = 0;
 	inbuf->cs = cs;
-	inbuf->bcs = bcs; /*base driver: NULL*/
-	inbuf->rcvbuf = NULL;
-	inbuf->inputstate = inputstate;
+	inbuf->inputstate = INS_command;
 }
 
 /**
@@ -644,16 +641,13 @@ static struct bc_state *gigaset_initbcs(struct bc_state *bcs,
 	bcs->fcs = PPP_INITFCS;
 	bcs->inputstate = 0;
 	if (cs->ignoreframes) {
-		bcs->inputstate |= INS_skip_frame;
 		bcs->skb = NULL;
 	} else {
 		bcs->skb = dev_alloc_skb(SBUFSIZE + cs->hw_hdr_len);
 		if (bcs->skb != NULL)
 			skb_reserve(bcs->skb, cs->hw_hdr_len);
-		else {
+		else
 			pr_err("out of memory\n");
-			bcs->inputstate |= INS_skip_frame;
-		}
 	}
 
 	bcs->channel = channel;
@@ -674,8 +668,8 @@ static struct bc_state *gigaset_initbcs(struct bc_state *bcs,
 	gig_dbg(DEBUG_INIT, "  failed");
 
 	gig_dbg(DEBUG_INIT, "  freeing bcs[%d]->skb", channel);
-	if (bcs->skb)
-		dev_kfree_skb(bcs->skb);
+	dev_kfree_skb(bcs->skb);
+	bcs->skb = NULL;
 
 	return NULL;
 }
@@ -764,10 +758,7 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels,
 	cs->cbytes = 0;
 
 	gig_dbg(DEBUG_INIT, "setting up inbuf");
-	if (onechannel) {			//FIXME distinction necessary?
-		gigaset_inbuf_init(cs->inbuf, cs->bcs, cs, INS_command);
-	} else
-		gigaset_inbuf_init(cs->inbuf, NULL,    cs, INS_command);
+	gigaset_inbuf_init(cs->inbuf, cs);
 
 	cs->connected = 0;
 	cs->isdn_up = 0;
@@ -854,9 +845,10 @@ void gigaset_bcs_reinit(struct bc_state *bcs)
 	bcs->chstate = 0;
 
 	bcs->ignore = cs->ignoreframes;
-	if (bcs->ignore)
-		bcs->inputstate |= INS_skip_frame;
-
+	if (bcs->ignore) {
+		dev_kfree_skb(bcs->skb);
+		bcs->skb = NULL;
+	}
 
 	cs->ops->reinitbcshw(bcs);
 }
@@ -877,8 +869,6 @@ static void cleanup_cs(struct cardstate *cs)
 	free_strings(&cs->at_state);
 	gigaset_at_init(&cs->at_state, NULL, cs, 0);
 
-	kfree(cs->inbuf->rcvbuf);
-	cs->inbuf->rcvbuf = NULL;
 	cs->inbuf->inputstate = INS_command;
 	cs->inbuf->head = 0;
 	cs->inbuf->tail = 0;
diff --git a/drivers/isdn/gigaset/gigaset.h b/drivers/isdn/gigaset/gigaset.h
index c59216b9c1d..18bff9f8072 100644
--- a/drivers/isdn/gigaset/gigaset.h
+++ b/drivers/isdn/gigaset/gigaset.h
@@ -223,12 +223,11 @@ void gigaset_dbg_buffer(enum debuglevel level, const unsigned char *msg,
 #define EV_BC_CLOSED	-118
 
 /* input state */
-#define INS_command	0x0001
-#define INS_DLE_char	0x0002
+#define INS_command	0x0001	/* receiving messages (not payload data) */
+#define INS_DLE_char	0x0002	/* DLE flag received (in DLE mode) */
 #define INS_byte_stuff	0x0004
 #define INS_have_data	0x0008
-#define INS_skip_frame	0x0010
-#define INS_DLE_command	0x0020
+#define INS_DLE_command	0x0020	/* DLE message start (<DLE> X) received */
 #define INS_flag_hunt	0x0040
 
 /* channel state */
@@ -290,8 +289,6 @@ extern struct reply_t gigaset_tab_cid[];
 extern struct reply_t gigaset_tab_nocid[];
 
 struct inbuf_t {
-	unsigned char		*rcvbuf;	/* usb-gigaset receive buffer */
-	struct bc_state		*bcs;
 	struct cardstate	*cs;
 	int			inputstate;
 	int			head, tail;
@@ -483,8 +480,8 @@ struct cardstate {
 
 	struct timer_list timer;
 	int retry_count;
-	int dle;			/* !=0 if modem commands/responses are
-					   dle encoded */
+	int dle;			/* !=0 if DLE mode is active
+					   (ZDLE=1 received -- M10x only) */
 	int cur_at_seq;			/* sequence of AT commands being
 					   processed */
 	int curchannel;			/* channel those commands are meant
diff --git a/drivers/isdn/gigaset/usb-gigaset.c b/drivers/isdn/gigaset/usb-gigaset.c
index 4deb1ab0dbf..f56b2a83793 100644
--- a/drivers/isdn/gigaset/usb-gigaset.c
+++ b/drivers/isdn/gigaset/usb-gigaset.c
@@ -43,14 +43,14 @@ MODULE_PARM_DESC(cidmode, "Call-ID mode");
 #define GIGASET_MODULENAME "usb_gigaset"
 #define GIGASET_DEVNAME    "ttyGU"
 
-#define IF_WRITEBUF 2000 //FIXME  // WAKEUP_CHARS: 256
+#define IF_WRITEBUF 2000	/* arbitrary limit */
 
 /* Values for the Gigaset M105 Data */
 #define USB_M105_VENDOR_ID	0x0681
 #define USB_M105_PRODUCT_ID	0x0009
 
 /* table of devices that work with this driver */
-static const struct usb_device_id gigaset_table [] = {
+static const struct usb_device_id gigaset_table[] = {
 	{ USB_DEVICE(USB_M105_VENDOR_ID, USB_M105_PRODUCT_ID) },
 	{ }					/* Terminating entry */
 };
@@ -97,8 +97,8 @@ MODULE_DEVICE_TABLE(usb, gigaset_table);
  *       41 19 -- -- -- -- 06 00 00 00 00 xx 11 13
  *            Used after every "configuration sequence" (RQ 12, RQs 01/03/13).
  *            xx is usually 0x00 but was 0x7e before starting data transfer
- *            in unimodem mode. So, this might be an array of characters that need
- *            special treatment ("commit all bufferd data"?), 11=^Q, 13=^S.
+ *            in unimodem mode. So, this might be an array of characters that
+ *            need special treatment ("commit all bufferd data"?), 11=^Q, 13=^S.
  *
  * Unimodem mode: use "modprobe ppp_async flag_time=0" as the device _needs_ two
  * flags per packet.
@@ -114,7 +114,7 @@ static int gigaset_suspend(struct usb_interface *intf, pm_message_t message);
 static int gigaset_resume(struct usb_interface *intf);
 static int gigaset_pre_reset(struct usb_interface *intf);
 
-static struct gigaset_driver *driver = NULL;
+static struct gigaset_driver *driver;
 
 /* usb specific object needed to register this driver with the usb subsystem */
 static struct usb_driver gigaset_usb_driver = {
@@ -141,6 +141,7 @@ struct usb_cardstate {
 	struct urb		*bulk_out_urb;
 
 	/* Input buffer */
+	unsigned char		*rcvbuf;
 	int			rcvbuf_size;
 	struct urb		*read_urb;
 	__u8			int_in_endpointAddr;
@@ -164,13 +165,11 @@ static int gigaset_set_modem_ctrl(struct cardstate *cs, unsigned old_state,
 	val = tiocm_to_gigaset(new_state);
 
 	gig_dbg(DEBUG_USBREQ, "set flags 0x%02x with mask 0x%02x", val, mask);
-	// don't use this in an interrupt/BH
 	r = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 7, 0x41,
 			    (val & 0xff) | ((mask & 0xff) << 8), 0,
 			    NULL, 0, 2000 /* timeout? */);
 	if (r < 0)
 		return r;
-	//..
 	return 0;
 }
 
@@ -220,7 +219,6 @@ static int gigaset_baud_rate(struct cardstate *cs, unsigned cflag)
 	cflag &= CBAUD;
 
 	switch (cflag) {
-	//FIXME more values?
 	case    B300: rate =     300; break;
 	case    B600: rate =     600; break;
 	case   B1200: rate =    1200; break;
@@ -273,7 +271,7 @@ static int gigaset_set_line_ctrl(struct cardstate *cs, unsigned cflag)
 	/* set the number of stop bits */
 	if (cflag & CSTOPB) {
 		if ((cflag & CSIZE) == CS5)
-			val |= 1; /* 1.5 stop bits */ //FIXME is this okay?
+			val |= 1; /* 1.5 stop bits */
 		else
 			val |= 2; /* 2 stop bits */
 	}
@@ -282,7 +280,7 @@ static int gigaset_set_line_ctrl(struct cardstate *cs, unsigned cflag)
 }
 
 
- /*================================================================================================================*/
+/*============================================================================*/
 static int gigaset_init_bchannel(struct bc_state *bcs)
 {
 	/* nothing to do for M10x */
@@ -344,7 +342,6 @@ static void gigaset_modem_fill(unsigned long data)
 			if (write_modem(cs) < 0) {
 				gig_dbg(DEBUG_OUTPUT,
 					"modem_fill: write_modem failed");
-				// FIXME should we tell the LL?
 				again = 1; /* no callback will be called! */
 			}
 		}
@@ -356,8 +353,8 @@ static void gigaset_modem_fill(unsigned long data)
  */
 static void gigaset_read_int_callback(struct urb *urb)
 {
-	struct inbuf_t *inbuf = urb->context;
-	struct cardstate *cs = inbuf->cs;
+	struct cardstate *cs = urb->context;
+	struct inbuf_t *inbuf = cs->inbuf;
 	int status = urb->status;
 	int r;
 	unsigned numbytes;
@@ -368,7 +365,7 @@ static void gigaset_read_int_callback(struct urb *urb)
 		numbytes = urb->actual_length;
 
 		if (numbytes) {
-			src = inbuf->rcvbuf;
+			src = cs->hw.usb->rcvbuf;
 			if (unlikely(*src))
 				dev_warn(cs->dev,
 				    "%s: There was no leading 0, but 0x%02x!\n",
@@ -440,7 +437,7 @@ static int send_cb(struct cardstate *cs, struct cmdbuf_t *cb)
 	struct cmdbuf_t *tcb;
 	unsigned long flags;
 	int count;
-	int status = -ENOENT; // FIXME
+	int status = -ENOENT;
 	struct usb_cardstate *ucs = cs->hw.usb;
 
 	do {
@@ -480,7 +477,9 @@ static int send_cb(struct cardstate *cs, struct cmdbuf_t *cb)
 			ucs->busy = 1;
 
 			spin_lock_irqsave(&cs->lock, flags);
-			status = cs->connected ? usb_submit_urb(ucs->bulk_out_urb, GFP_ATOMIC) : -ENODEV;
+			status = cs->connected ?
+				usb_submit_urb(ucs->bulk_out_urb, GFP_ATOMIC) :
+				-ENODEV;
 			spin_unlock_irqrestore(&cs->lock, flags);
 
 			if (status) {
@@ -510,8 +509,8 @@ static int gigaset_write_cmd(struct cardstate *cs, const unsigned char *buf,
 
 	if (len <= 0)
 		return 0;
-
-	if (!(cb = kmalloc(sizeof(struct cmdbuf_t) + len, GFP_ATOMIC))) {
+	cb = kmalloc(sizeof(struct cmdbuf_t) + len, GFP_ATOMIC);
+	if (!cb) {
 		dev_err(cs->dev, "%s: out of memory\n", __func__);
 		return -ENOMEM;
 	}
@@ -637,9 +636,7 @@ static int write_modem(struct cardstate *cs)
 		return -EINVAL;
 	}
 
-	/* Copy data to bulk out buffer and  // FIXME copying not necessary
-	 * transmit data
-	 */
+	/* Copy data to bulk out buffer and transmit data */
 	count = min(bcs->tx_skb->len, (unsigned) ucs->bulk_out_size);
 	skb_copy_from_linear_data(bcs->tx_skb, ucs->bulk_out_buffer, count);
 	skb_pull(bcs->tx_skb, count);
@@ -650,7 +647,8 @@ static int write_modem(struct cardstate *cs)
 	if (cs->connected) {
 		usb_fill_bulk_urb(ucs->bulk_out_urb, ucs->udev,
 				  usb_sndbulkpipe(ucs->udev,
-						  ucs->bulk_out_endpointAddr & 0x0f),
+						  ucs->bulk_out_endpointAddr &
+						  0x0f),
 				  ucs->bulk_out_buffer, count,
 				  gigaset_write_bulk_callback, cs);
 		ret = usb_submit_urb(ucs->bulk_out_urb, GFP_ATOMIC);
@@ -666,7 +664,7 @@ static int write_modem(struct cardstate *cs)
 
 	if (!bcs->tx_skb->len) {
 		/* skb sent completely */
-		gigaset_skb_sent(bcs, bcs->tx_skb); //FIXME also, when ret<0?
+		gigaset_skb_sent(bcs, bcs->tx_skb);
 
 		gig_dbg(DEBUG_INTR, "kfree skb (Adr: %lx)!",
 			(unsigned long) bcs->tx_skb);
@@ -763,8 +761,8 @@ static int gigaset_probe(struct usb_interface *interface,
 	buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 	ucs->rcvbuf_size = buffer_size;
 	ucs->int_in_endpointAddr = endpoint->bEndpointAddress;
-	cs->inbuf[0].rcvbuf = kmalloc(buffer_size, GFP_KERNEL);
-	if (!cs->inbuf[0].rcvbuf) {
+	ucs->rcvbuf = kmalloc(buffer_size, GFP_KERNEL);
+	if (!ucs->rcvbuf) {
 		dev_err(cs->dev, "Couldn't allocate rcvbuf\n");
 		retval = -ENOMEM;
 		goto error;
@@ -773,9 +771,9 @@ static int gigaset_probe(struct usb_interface *interface,
 	usb_fill_int_urb(ucs->read_urb, udev,
 			 usb_rcvintpipe(udev,
 					endpoint->bEndpointAddress & 0x0f),
-			 cs->inbuf[0].rcvbuf, buffer_size,
+			 ucs->rcvbuf, buffer_size,
 			 gigaset_read_int_callback,
-			 cs->inbuf + 0, endpoint->bInterval);
+			 cs, endpoint->bInterval);
 
 	retval = usb_submit_urb(ucs->read_urb, GFP_KERNEL);
 	if (retval) {
@@ -789,7 +787,7 @@ static int gigaset_probe(struct usb_interface *interface,
 
 	if (!gigaset_start(cs)) {
 		tasklet_kill(&cs->write_tasklet);
-		retval = -ENODEV; //FIXME
+		retval = -ENODEV;
 		goto error;
 	}
 	return 0;
@@ -798,11 +796,11 @@ error:
 	usb_kill_urb(ucs->read_urb);
 	kfree(ucs->bulk_out_buffer);
 	usb_free_urb(ucs->bulk_out_urb);
-	kfree(cs->inbuf[0].rcvbuf);
+	kfree(ucs->rcvbuf);
 	usb_free_urb(ucs->read_urb);
 	usb_set_intfdata(interface, NULL);
 	ucs->read_urb = ucs->bulk_out_urb = NULL;
-	cs->inbuf[0].rcvbuf = ucs->bulk_out_buffer = NULL;
+	ucs->rcvbuf = ucs->bulk_out_buffer = NULL;
 	usb_put_dev(ucs->udev);
 	ucs->udev = NULL;
 	ucs->interface = NULL;
@@ -831,10 +829,10 @@ static void gigaset_disconnect(struct usb_interface *interface)
 
 	kfree(ucs->bulk_out_buffer);
 	usb_free_urb(ucs->bulk_out_urb);
-	kfree(cs->inbuf[0].rcvbuf);
+	kfree(ucs->rcvbuf);
 	usb_free_urb(ucs->read_urb);
 	ucs->read_urb = ucs->bulk_out_urb = NULL;
-	cs->inbuf[0].rcvbuf = ucs->bulk_out_buffer = NULL;
+	ucs->rcvbuf = ucs->bulk_out_buffer = NULL;
 
 	usb_put_dev(ucs->udev);
 	ucs->interface = NULL;
@@ -916,9 +914,10 @@ static int __init usb_gigaset_init(void)
 	int result;
 
 	/* allocate memory for our driver state and intialize it */
-	if ((driver = gigaset_initdriver(GIGASET_MINOR, GIGASET_MINORS,
-				       GIGASET_MODULENAME, GIGASET_DEVNAME,
-				       &ops, THIS_MODULE)) == NULL)
+	driver = gigaset_initdriver(GIGASET_MINOR, GIGASET_MINORS,
+				    GIGASET_MODULENAME, GIGASET_DEVNAME,
+				    &ops, THIS_MODULE);
+	if (driver == NULL)
 		goto error;
 
 	/* register this driver with the USB subsystem */
-- 
GitLab


From d9ba9c9125d89e246dc0a0702446528acceb6ddb Mon Sep 17 00:00:00 2001
From: Tilman Schmidt <tilman@imap.cc>
Date: Sun, 25 Oct 2009 09:30:17 +0000
Subject: [PATCH 0703/1815] gigaset: checkpatch cleanup

Dum sanctis checkpatch.pl'ae legibus obsequimur.

Impact: cosmetic
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/isdn/gigaset/common.c    | 33 ++++++++----------
 drivers/isdn/gigaset/gigaset.h   | 60 +++++++++++++++-----------------
 drivers/isdn/gigaset/i4l.c       | 29 +++++++--------
 drivers/isdn/gigaset/interface.c | 39 ++++++++++-----------
 drivers/isdn/gigaset/proc.c      |  2 +-
 5 files changed, 74 insertions(+), 89 deletions(-)

diff --git a/drivers/isdn/gigaset/common.c b/drivers/isdn/gigaset/common.c
index 690ac74c82a..c438cfcb7c6 100644
--- a/drivers/isdn/gigaset/common.c
+++ b/drivers/isdn/gigaset/common.c
@@ -108,7 +108,7 @@ int gigaset_enterconfigmode(struct cardstate *cs)
 {
 	int i, r;
 
-	cs->control_state = TIOCM_RTS; //FIXME
+	cs->control_state = TIOCM_RTS;
 
 	r = setflags(cs, TIOCM_DTR, 200);
 	if (r < 0)
@@ -132,10 +132,10 @@ int gigaset_enterconfigmode(struct cardstate *cs)
 
 error:
 	dev_err(cs->dev, "error %d on setuartbits\n", -r);
-	cs->control_state = TIOCM_RTS|TIOCM_DTR; // FIXME is this a good value?
+	cs->control_state = TIOCM_RTS|TIOCM_DTR;
 	cs->ops->set_modem_ctrl(cs, 0, TIOCM_RTS|TIOCM_DTR);
 
-	return -1; //r
+	return -1;
 }
 
 static int test_timeout(struct at_state_t *at_state)
@@ -150,10 +150,9 @@ static int test_timeout(struct at_state_t *at_state)
 	}
 
 	if (!gigaset_add_event(at_state->cs, at_state, EV_TIMEOUT, NULL,
-			       at_state->timer_index, NULL)) {
-		//FIXME what should we do?
-	}
-
+			       at_state->timer_index, NULL))
+			dev_err(at_state->cs->dev, "%s: out of memory\n",
+				__func__);
 	return 1;
 }
 
@@ -393,9 +392,8 @@ static void gigaset_freebcs(struct bc_state *bcs)
 	int i;
 
 	gig_dbg(DEBUG_INIT, "freeing bcs[%d]->hw", bcs->channel);
-	if (!bcs->cs->ops->freebcshw(bcs)) {
+	if (!bcs->cs->ops->freebcshw(bcs))
 		gig_dbg(DEBUG_INIT, "failed");
-	}
 
 	gig_dbg(DEBUG_INIT, "clearing bcs[%d]->at_state", bcs->channel);
 	clear_at_state(&bcs->at_state);
@@ -503,8 +501,6 @@ void gigaset_freecs(struct cardstate *cs)
 		gig_dbg(DEBUG_INIT, "clearing hw");
 		cs->ops->freecshw(cs);
 
-		//FIXME cmdbuf
-
 		/* fall through */
 	case 2: /* error in initcshw */
 		/* Deregister from LL */
@@ -622,7 +618,7 @@ static struct bc_state *gigaset_initbcs(struct bc_state *bcs,
 {
 	int i;
 
-	bcs->tx_skb = NULL; //FIXME -> hw part
+	bcs->tx_skb = NULL;
 
 	skb_queue_head_init(&bcs->squeue);
 
@@ -696,12 +692,13 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels,
 				 int onechannel, int ignoreframes,
 				 int cidmode, const char *modulename)
 {
-	struct cardstate *cs = NULL;
+	struct cardstate *cs;
 	unsigned long flags;
 	int i;
 
 	gig_dbg(DEBUG_INIT, "allocating cs");
-	if (!(cs = alloc_cs(drv))) {
+	cs = alloc_cs(drv);
+	if (!cs) {
 		pr_err("maximum number of devices exceeded\n");
 		return NULL;
 	}
@@ -931,15 +928,13 @@ int gigaset_start(struct cardstate *cs)
 		cs->ops->baud_rate(cs, B115200);
 		cs->ops->set_line_ctrl(cs, CS8);
 		cs->control_state = TIOCM_DTR|TIOCM_RTS;
-	} else {
-		//FIXME use some saved values?
 	}
 
 	cs->waiting = 1;
 
 	if (!gigaset_add_event(cs, &cs->at_state, EV_START, NULL, 0, NULL)) {
 		cs->waiting = 0;
-		//FIXME what should we do?
+		dev_err(cs->dev, "%s: out of memory\n", __func__);
 		goto error;
 	}
 
@@ -979,7 +974,7 @@ int gigaset_shutdown(struct cardstate *cs)
 	cs->waiting = 1;
 
 	if (!gigaset_add_event(cs, &cs->at_state, EV_SHUTDOWN, NULL, 0, NULL)) {
-		//FIXME what should we do?
+		dev_err(cs->dev, "%s: out of memory\n", __func__);
 		goto exit;
 	}
 
@@ -1010,7 +1005,7 @@ void gigaset_stop(struct cardstate *cs)
 	cs->waiting = 1;
 
 	if (!gigaset_add_event(cs, &cs->at_state, EV_STOP, NULL, 0, NULL)) {
-		//FIXME what should we do?
+		dev_err(cs->dev, "%s: out of memory\n", __func__);
 		goto exit;
 	}
 
diff --git a/drivers/isdn/gigaset/gigaset.h b/drivers/isdn/gigaset/gigaset.h
index 18bff9f8072..3c74cd16401 100644
--- a/drivers/isdn/gigaset/gigaset.h
+++ b/drivers/isdn/gigaset/gigaset.h
@@ -34,8 +34,8 @@
 #include <linux/list.h>
 #include <asm/atomic.h>
 
-#define GIG_VERSION {0,5,0,0}
-#define GIG_COMPAT  {0,4,0,0}
+#define GIG_VERSION {0, 5, 0, 0}
+#define GIG_COMPAT  {0, 4, 0, 0}
 
 #define MAX_REC_PARAMS 10	/* Max. number of params in response string */
 #define MAX_RESP_SIZE 512	/* Max. size of a response string */
@@ -133,35 +133,32 @@ void gigaset_dbg_buffer(enum debuglevel level, const unsigned char *msg,
 #define OUT_VENDOR_REQ	(USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT)
 #define IN_VENDOR_REQ	(USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT)
 
-/* int-in-events 3070 */
+/* interrupt pipe messages */
 #define HD_B1_FLOW_CONTROL		0x80
 #define HD_B2_FLOW_CONTROL		0x81
-#define HD_RECEIVEATDATA_ACK		(0x35)		// 3070
-						// att: HD_RECEIVE>>AT<<DATA_ACK
-#define HD_READY_SEND_ATDATA		(0x36)		// 3070
-#define HD_OPEN_ATCHANNEL_ACK		(0x37)		// 3070
-#define HD_CLOSE_ATCHANNEL_ACK		(0x38)		// 3070
-#define HD_DEVICE_INIT_OK		(0x11)		// ISurf USB + 3070
-#define HD_OPEN_B1CHANNEL_ACK		(0x51)		// ISurf USB + 3070
-#define HD_OPEN_B2CHANNEL_ACK		(0x52)		// ISurf USB + 3070
-#define HD_CLOSE_B1CHANNEL_ACK		(0x53)		// ISurf USB + 3070
-#define HD_CLOSE_B2CHANNEL_ACK		(0x54)		// ISurf USB + 3070
-// 	 Powermangment
-#define HD_SUSPEND_END			(0x61)		// ISurf USB
-//   Configuration
-#define HD_RESET_INTERRUPT_PIPE_ACK	(0xFF)		// ISurf USB + 3070
-
-/* control requests 3070 */
-#define	HD_OPEN_B1CHANNEL		(0x23)		// ISurf USB + 3070
-#define	HD_CLOSE_B1CHANNEL		(0x24)		// ISurf USB + 3070
-#define	HD_OPEN_B2CHANNEL		(0x25)		// ISurf USB + 3070
-#define	HD_CLOSE_B2CHANNEL		(0x26)		// ISurf USB + 3070
-#define HD_RESET_INTERRUPT_PIPE		(0x27)		// ISurf USB + 3070
-#define	HD_DEVICE_INIT_ACK		(0x34)		// ISurf USB + 3070
-#define	HD_WRITE_ATMESSAGE		(0x12)		// 3070
-#define	HD_READ_ATMESSAGE		(0x13)		// 3070
-#define	HD_OPEN_ATCHANNEL		(0x28)		// 3070
-#define	HD_CLOSE_ATCHANNEL		(0x29)		// 3070
+#define HD_RECEIVEATDATA_ACK		(0x35)		/* 3070 */
+#define HD_READY_SEND_ATDATA		(0x36)		/* 3070 */
+#define HD_OPEN_ATCHANNEL_ACK		(0x37)		/* 3070 */
+#define HD_CLOSE_ATCHANNEL_ACK		(0x38)		/* 3070 */
+#define HD_DEVICE_INIT_OK		(0x11)		/* ISurf USB + 3070 */
+#define HD_OPEN_B1CHANNEL_ACK		(0x51)		/* ISurf USB + 3070 */
+#define HD_OPEN_B2CHANNEL_ACK		(0x52)		/* ISurf USB + 3070 */
+#define HD_CLOSE_B1CHANNEL_ACK		(0x53)		/* ISurf USB + 3070 */
+#define HD_CLOSE_B2CHANNEL_ACK		(0x54)		/* ISurf USB + 3070 */
+#define HD_SUSPEND_END			(0x61)		/* ISurf USB */
+#define HD_RESET_INTERRUPT_PIPE_ACK	(0xFF)		/* ISurf USB + 3070 */
+
+/* control requests */
+#define	HD_OPEN_B1CHANNEL		(0x23)		/* ISurf USB + 3070 */
+#define	HD_CLOSE_B1CHANNEL		(0x24)		/* ISurf USB + 3070 */
+#define	HD_OPEN_B2CHANNEL		(0x25)		/* ISurf USB + 3070 */
+#define	HD_CLOSE_B2CHANNEL		(0x26)		/* ISurf USB + 3070 */
+#define HD_RESET_INTERRUPT_PIPE		(0x27)		/* ISurf USB + 3070 */
+#define	HD_DEVICE_INIT_ACK		(0x34)		/* ISurf USB + 3070 */
+#define	HD_WRITE_ATMESSAGE		(0x12)		/* 3070 */
+#define	HD_READ_ATMESSAGE		(0x13)		/* 3070 */
+#define	HD_OPEN_ATCHANNEL		(0x28)		/* 3070 */
+#define	HD_CLOSE_ATCHANNEL		(0x29)		/* 3070 */
 
 /* number of B channels supported by base driver */
 #define BAS_CHANNELS	2
@@ -631,7 +628,8 @@ struct gigaset_ops {
 
 };
 
-/* = Common structures and definitions ======================================= */
+/* = Common structures and definitions =======================================
+ */
 
 /* Parser states for DLE-Event:
  * <DLE-EVENT>: <DLE_FLAG> "X" <EVENT> <DLE_FLAG> "."
@@ -776,7 +774,7 @@ struct event_t *gigaset_add_event(struct cardstate *cs,
 				  void *ptr, int parameter, void *arg);
 
 /* Called on CONFIG1 command from frontend. */
-int gigaset_enterconfigmode(struct cardstate *cs); //0: success <0: errorcode
+int gigaset_enterconfigmode(struct cardstate *cs);
 
 /* cs->lock must not be locked */
 static inline void gigaset_schedule_event(struct cardstate *cs)
diff --git a/drivers/isdn/gigaset/i4l.c b/drivers/isdn/gigaset/i4l.c
index 828824f905c..c129ee47a8f 100644
--- a/drivers/isdn/gigaset/i4l.c
+++ b/drivers/isdn/gigaset/i4l.c
@@ -39,12 +39,12 @@
 static int writebuf_from_LL(int driverID, int channel, int ack,
 			    struct sk_buff *skb)
 {
-	struct cardstate *cs;
+	struct cardstate *cs = gigaset_get_cs_by_id(driverID);
 	struct bc_state *bcs;
 	unsigned char *ack_header;
 	unsigned len;
 
-	if (!(cs = gigaset_get_cs_by_id(driverID))) {
+	if (!cs) {
 		pr_err("%s: invalid driver ID (%d)\n", __func__, driverID);
 		return -ENODEV;
 	}
@@ -391,22 +391,19 @@ static int command_from_LL(isdn_ctrl *cntrl)
 
 		break;
 	case ISDN_CMD_PROCEED:
-		gig_dbg(DEBUG_ANY, "ISDN_CMD_PROCEED"); //FIXME
+		gig_dbg(DEBUG_ANY, "ISDN_CMD_PROCEED");
 		break;
 	case ISDN_CMD_ALERT:
-		gig_dbg(DEBUG_ANY, "ISDN_CMD_ALERT"); //FIXME
+		gig_dbg(DEBUG_ANY, "ISDN_CMD_ALERT");
 		if (cntrl->arg >= cs->channels) {
 			dev_err(cs->dev,
 				"ISDN_CMD_ALERT: invalid channel (%d)\n",
 				(int) cntrl->arg);
 			return -EINVAL;
 		}
-		//bcs = cs->bcs + cntrl->arg;
-		//bcs->proto2 = -1;
-		// FIXME
 		break;
 	case ISDN_CMD_REDIR:
-		gig_dbg(DEBUG_ANY, "ISDN_CMD_REDIR"); //FIXME
+		gig_dbg(DEBUG_ANY, "ISDN_CMD_REDIR");
 		break;
 	case ISDN_CMD_PROT_IO:
 		gig_dbg(DEBUG_ANY, "ISDN_CMD_PROT_IO");
@@ -486,7 +483,7 @@ int gigaset_isdn_icall(struct at_state_t *at_state)
 	/* fill ICALL structure */
 	response.parm.setup.si1 = 0;	/* default: unknown */
 	response.parm.setup.si2 = 0;
-	response.parm.setup.screen = 0;	//FIXME how to set these?
+	response.parm.setup.screen = 0;
 	response.parm.setup.plan = 0;
 	if (!at_state->str_var[STR_ZBC]) {
 		/* no BC (internal call): assume speech, A-law */
@@ -507,26 +504,24 @@ int gigaset_isdn_icall(struct at_state_t *at_state)
 		return ICALL_IGNORE;
 	}
 	if (at_state->str_var[STR_NMBR]) {
-		strncpy(response.parm.setup.phone, at_state->str_var[STR_NMBR],
-			sizeof response.parm.setup.phone - 1);
-		response.parm.setup.phone[sizeof response.parm.setup.phone - 1] = 0;
+		strlcpy(response.parm.setup.phone, at_state->str_var[STR_NMBR],
+			sizeof response.parm.setup.phone);
 	} else
 		response.parm.setup.phone[0] = 0;
 	if (at_state->str_var[STR_ZCPN]) {
-		strncpy(response.parm.setup.eazmsn, at_state->str_var[STR_ZCPN],
-			sizeof response.parm.setup.eazmsn - 1);
-		response.parm.setup.eazmsn[sizeof response.parm.setup.eazmsn - 1] = 0;
+		strlcpy(response.parm.setup.eazmsn, at_state->str_var[STR_ZCPN],
+			sizeof response.parm.setup.eazmsn);
 	} else
 		response.parm.setup.eazmsn[0] = 0;
 
 	if (!bcs) {
 		dev_notice(cs->dev, "no channel for incoming call\n");
 		response.command = ISDN_STAT_ICALLW;
-		response.arg = 0; //FIXME
+		response.arg = 0;
 	} else {
 		gig_dbg(DEBUG_CMD, "Sending ICALL");
 		response.command = ISDN_STAT_ICALL;
-		response.arg = bcs->channel; //FIXME
+		response.arg = bcs->channel;
 	}
 	response.driver = cs->myid;
 	retval = iif->statcallb(&response);
diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
index 6a8e1384e7b..577809c03ae 100644
--- a/drivers/isdn/gigaset/interface.c
+++ b/drivers/isdn/gigaset/interface.c
@@ -162,7 +162,7 @@ static int if_open(struct tty_struct *tty, struct file *filp)
 		return -ENODEV;
 
 	if (mutex_lock_interruptible(&cs->mutex))
-		return -ERESTARTSYS; // FIXME -EINTR?
+		return -ERESTARTSYS;
 	tty->driver_data = cs;
 
 	++cs->open_count;
@@ -171,7 +171,7 @@ static int if_open(struct tty_struct *tty, struct file *filp)
 		spin_lock_irqsave(&cs->lock, flags);
 		cs->tty = tty;
 		spin_unlock_irqrestore(&cs->lock, flags);
-		tty->low_latency = 1; //FIXME test
+		tty->low_latency = 1;
 	}
 
 	mutex_unlock(&cs->mutex);
@@ -228,7 +228,7 @@ static int if_ioctl(struct tty_struct *tty, struct file *file,
 	gig_dbg(DEBUG_IF, "%u: %s(0x%x)", cs->minor_index, __func__, cmd);
 
 	if (mutex_lock_interruptible(&cs->mutex))
-		return -ERESTARTSYS; // FIXME -EINTR?
+		return -ERESTARTSYS;
 
 	if (!cs->connected) {
 		gig_dbg(DEBUG_IF, "not connected");
@@ -299,9 +299,8 @@ static int if_tiocmget(struct tty_struct *tty, struct file *file)
 	gig_dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __func__);
 
 	if (mutex_lock_interruptible(&cs->mutex))
-		return -ERESTARTSYS; // FIXME -EINTR?
+		return -ERESTARTSYS;
 
-	// FIXME read from device?
 	retval = cs->control_state & (TIOCM_RTS|TIOCM_DTR);
 
 	mutex_unlock(&cs->mutex);
@@ -326,7 +325,7 @@ static int if_tiocmset(struct tty_struct *tty, struct file *file,
 		cs->minor_index, __func__, set, clear);
 
 	if (mutex_lock_interruptible(&cs->mutex))
-		return -ERESTARTSYS; // FIXME -EINTR?
+		return -ERESTARTSYS;
 
 	if (!cs->connected) {
 		gig_dbg(DEBUG_IF, "not connected");
@@ -356,7 +355,7 @@ static int if_write(struct tty_struct *tty, const unsigned char *buf, int count)
 	gig_dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __func__);
 
 	if (mutex_lock_interruptible(&cs->mutex))
-		return -ERESTARTSYS; // FIXME -EINTR?
+		return -ERESTARTSYS;
 
 	if (!cs->connected) {
 		gig_dbg(DEBUG_IF, "not connected");
@@ -390,7 +389,7 @@ static int if_write_room(struct tty_struct *tty)
 	gig_dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __func__);
 
 	if (mutex_lock_interruptible(&cs->mutex))
-		return -ERESTARTSYS; // FIXME -EINTR?
+		return -ERESTARTSYS;
 
 	if (!cs->connected) {
 		gig_dbg(DEBUG_IF, "not connected");
@@ -455,9 +454,8 @@ static void if_throttle(struct tty_struct *tty)
 		gig_dbg(DEBUG_IF, "not connected");	/* nothing to do */
 	else if (!cs->open_count)
 		dev_warn(cs->dev, "%s: device not opened\n", __func__);
-	else {
-		//FIXME
-	}
+	else
+		gig_dbg(DEBUG_ANY, "%s: not implemented\n", __func__);
 
 	mutex_unlock(&cs->mutex);
 }
@@ -480,9 +478,8 @@ static void if_unthrottle(struct tty_struct *tty)
 		gig_dbg(DEBUG_IF, "not connected");	/* nothing to do */
 	else if (!cs->open_count)
 		dev_warn(cs->dev, "%s: device not opened\n", __func__);
-	else {
-		//FIXME
-	}
+	else
+		gig_dbg(DEBUG_ANY, "%s: not implemented\n", __func__);
 
 	mutex_unlock(&cs->mutex);
 }
@@ -515,10 +512,9 @@ static void if_set_termios(struct tty_struct *tty, struct ktermios *old)
 		goto out;
 	}
 
-	// stolen from mct_u232.c
 	iflag = tty->termios->c_iflag;
 	cflag = tty->termios->c_cflag;
-	old_cflag = old ? old->c_cflag : cflag; //FIXME?
+	old_cflag = old ? old->c_cflag : cflag;
 	gig_dbg(DEBUG_IF, "%u: iflag %x cflag %x old %x",
 		cs->minor_index, iflag, cflag, old_cflag);
 
@@ -632,7 +628,8 @@ void gigaset_if_receive(struct cardstate *cs,
 	struct tty_struct *tty;
 
 	spin_lock_irqsave(&cs->lock, flags);
-	if ((tty = cs->tty) == NULL)
+	tty = cs->tty;
+	if (tty == NULL)
 		gig_dbg(DEBUG_ANY, "receive on closed device");
 	else {
 		tty_buffer_request_room(tty, len);
@@ -659,9 +656,9 @@ void gigaset_if_initdriver(struct gigaset_driver *drv, const char *procname,
 
 	drv->have_tty = 0;
 
-	if ((drv->tty = alloc_tty_driver(minors)) == NULL)
+	drv->tty = tty = alloc_tty_driver(minors);
+	if (tty == NULL)
 		goto enomem;
-	tty = drv->tty;
 
 	tty->magic =		TTY_DRIVER_MAGIC,
 	tty->major =		GIG_MAJOR,
@@ -676,8 +673,8 @@ void gigaset_if_initdriver(struct gigaset_driver *drv, const char *procname,
 
 	tty->owner =		THIS_MODULE;
 
-	tty->init_termios          = tty_std_termios; //FIXME
-	tty->init_termios.c_cflag  = B9600 | CS8 | CREAD | HUPCL | CLOCAL; //FIXME
+	tty->init_termios          = tty_std_termios;
+	tty->init_termios.c_cflag  = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
 	tty_set_operations(tty, &if_ops);
 
 	ret = tty_register_driver(tty);
diff --git a/drivers/isdn/gigaset/proc.c b/drivers/isdn/gigaset/proc.c
index 9715aad9c3f..758a00c1d2e 100644
--- a/drivers/isdn/gigaset/proc.c
+++ b/drivers/isdn/gigaset/proc.c
@@ -39,7 +39,7 @@ static ssize_t set_cidmode(struct device *dev, struct device_attribute *attr,
 			return -EINVAL;
 
 	if (mutex_lock_interruptible(&cs->mutex))
-		return -ERESTARTSYS; // FIXME -EINTR?
+		return -ERESTARTSYS;
 
 	cs->waiting = 1;
 	if (!gigaset_add_event(cs, &cs->at_state, EV_PROC_CIDMODE,
-- 
GitLab


From ae67d7d81436c7e85104d586562b1a220d3cd94b Mon Sep 17 00:00:00 2001
From: Tilman Schmidt <tilman@imap.cc>
Date: Sun, 25 Oct 2009 09:30:27 +0000
Subject: [PATCH 0704/1815] ser_gigaset: checkpatch cleanup

Duly uglified as demanded by checkpatch.pl.

Impact: cosmetic
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/isdn/gigaset/ser-gigaset.c | 56 ++++++++++++++++++++----------
 1 file changed, 37 insertions(+), 19 deletions(-)

diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c
index 3071a52467e..ac3409ea5d9 100644
--- a/drivers/isdn/gigaset/ser-gigaset.c
+++ b/drivers/isdn/gigaset/ser-gigaset.c
@@ -164,9 +164,15 @@ static void gigaset_modem_fill(unsigned long data)
 {
 	struct cardstate *cs = (struct cardstate *) data;
 	struct bc_state *bcs;
+	struct sk_buff *nextskb;
 	int sent = 0;
 
-	if (!cs || !(bcs = cs->bcs)) {
+	if (!cs) {
+		gig_dbg(DEBUG_OUTPUT, "%s: no cardstate", __func__);
+		return;
+	}
+	bcs = cs->bcs;
+	if (!bcs) {
 		gig_dbg(DEBUG_OUTPUT, "%s: no cardstate", __func__);
 		return;
 	}
@@ -179,9 +185,11 @@ static void gigaset_modem_fill(unsigned long data)
 			return;
 
 		/* no command to send; get skb */
-		if (!(bcs->tx_skb = skb_dequeue(&bcs->squeue)))
+		nextskb = skb_dequeue(&bcs->squeue);
+		if (!nextskb)
 			/* no skb either, nothing to do */
 			return;
+		bcs->tx_skb = nextskb;
 
 		gig_dbg(DEBUG_INTR, "Dequeued skb (Adr: %lx)",
 			(unsigned long) bcs->tx_skb);
@@ -236,19 +244,20 @@ static void flush_send_queue(struct cardstate *cs)
  *	number of bytes queued, or error code < 0
  */
 static int gigaset_write_cmd(struct cardstate *cs, const unsigned char *buf,
-                             int len, struct tasklet_struct *wake_tasklet)
+			     int len, struct tasklet_struct *wake_tasklet)
 {
 	struct cmdbuf_t *cb;
 	unsigned long flags;
 
 	gigaset_dbg_buffer(cs->mstate != MS_LOCKED ?
-	                     DEBUG_TRANSCMD : DEBUG_LOCKCMD,
-	                   "CMD Transmit", len, buf);
+				DEBUG_TRANSCMD : DEBUG_LOCKCMD,
+			   "CMD Transmit", len, buf);
 
 	if (len <= 0)
 		return 0;
 
-	if (!(cb = kmalloc(sizeof(struct cmdbuf_t) + len, GFP_ATOMIC))) {
+	cb = kmalloc(sizeof(struct cmdbuf_t) + len, GFP_ATOMIC);
+	if (!cb) {
 		dev_err(cs->dev, "%s: out of memory!\n", __func__);
 		return -ENOMEM;
 	}
@@ -392,7 +401,6 @@ static void gigaset_device_release(struct device *dev)
 	struct platform_device *pdev = to_platform_device(dev);
 
 	/* adapted from platform_device_release() in drivers/base/platform.c */
-	//FIXME is this actually necessary?
 	kfree(dev->platform_data);
 	kfree(pdev->resource);
 }
@@ -404,16 +412,20 @@ static void gigaset_device_release(struct device *dev)
 static int gigaset_initcshw(struct cardstate *cs)
 {
 	int rc;
+	struct ser_cardstate *scs;
 
-	if (!(cs->hw.ser = kzalloc(sizeof(struct ser_cardstate), GFP_KERNEL))) {
+	scs = kzalloc(sizeof(struct ser_cardstate), GFP_KERNEL);
+	if (!scs) {
 		pr_err("out of memory\n");
 		return 0;
 	}
+	cs->hw.ser = scs;
 
 	cs->hw.ser->dev.name = GIGASET_MODULENAME;
 	cs->hw.ser->dev.id = cs->minor_index;
 	cs->hw.ser->dev.dev.release = gigaset_device_release;
-	if ((rc = platform_device_register(&cs->hw.ser->dev)) != 0) {
+	rc = platform_device_register(&cs->hw.ser->dev);
+	if (rc != 0) {
 		pr_err("error %d registering platform device\n", rc);
 		kfree(cs->hw.ser);
 		cs->hw.ser = NULL;
@@ -422,7 +434,7 @@ static int gigaset_initcshw(struct cardstate *cs)
 	dev_set_drvdata(&cs->hw.ser->dev.dev, cs);
 
 	tasklet_init(&cs->write_tasklet,
-	             &gigaset_modem_fill, (unsigned long) cs);
+		     &gigaset_modem_fill, (unsigned long) cs);
 	return 1;
 }
 
@@ -434,7 +446,8 @@ static int gigaset_initcshw(struct cardstate *cs)
  * Called by "gigaset_start" and "gigaset_enterconfigmode" in common.c
  * and by "if_lock" and "if_termios" in interface.c
  */
-static int gigaset_set_modem_ctrl(struct cardstate *cs, unsigned old_state, unsigned new_state)
+static int gigaset_set_modem_ctrl(struct cardstate *cs, unsigned old_state,
+				  unsigned new_state)
 {
 	struct tty_struct *tty = cs->hw.ser->tty;
 	unsigned int set, clear;
@@ -520,8 +533,8 @@ gigaset_tty_open(struct tty_struct *tty)
 	}
 
 	/* allocate memory for our device state and intialize it */
-	if (!(cs = gigaset_initcs(driver, 1, 1, 0, cidmode,
-				  GIGASET_MODULENAME)))
+	cs = gigaset_initcs(driver, 1, 1, 0, cidmode, GIGASET_MODULENAME);
+	if (!cs)
 		goto error;
 
 	cs->dev = &cs->hw.ser->dev.dev;
@@ -690,7 +703,8 @@ gigaset_tty_receive(struct tty_struct *tty, const unsigned char *buf,
 
 	if (!cs)
 		return;
-	if (!(inbuf = cs->inbuf)) {
+	inbuf = cs->inbuf;
+	if (!inbuf) {
 		dev_err(cs->dev, "%s: no inbuf\n", __func__);
 		cs_put(cs);
 		return;
@@ -770,18 +784,21 @@ static int __init ser_gigaset_init(void)
 	int rc;
 
 	gig_dbg(DEBUG_INIT, "%s", __func__);
-	if ((rc = platform_driver_register(&device_driver)) != 0) {
+	rc = platform_driver_register(&device_driver);
+	if (rc != 0) {
 		pr_err("error %d registering platform driver\n", rc);
 		return rc;
 	}
 
 	/* allocate memory for our driver state and intialize it */
-	if (!(driver = gigaset_initdriver(GIGASET_MINOR, GIGASET_MINORS,
+	driver = gigaset_initdriver(GIGASET_MINOR, GIGASET_MINORS,
 					  GIGASET_MODULENAME, GIGASET_DEVNAME,
-					  &ops, THIS_MODULE)))
+					  &ops, THIS_MODULE);
+	if (!driver)
 		goto error;
 
-	if ((rc = tty_register_ldisc(N_GIGASET_M101, &gigaset_ldisc)) != 0) {
+	rc = tty_register_ldisc(N_GIGASET_M101, &gigaset_ldisc);
+	if (rc != 0) {
 		pr_err("error %d registering line discipline\n", rc);
 		goto error;
 	}
@@ -808,7 +825,8 @@ static void __exit ser_gigaset_exit(void)
 		driver = NULL;
 	}
 
-	if ((rc = tty_unregister_ldisc(N_GIGASET_M101)) != 0)
+	rc = tty_unregister_ldisc(N_GIGASET_M101);
+	if (rc != 0)
 		pr_err("error %d unregistering line discipline\n", rc);
 
 	platform_driver_unregister(&device_driver);
-- 
GitLab


From 7891adf18ad9658950e532b840f1d84d8ac6cce2 Mon Sep 17 00:00:00 2001
From: Tilman Schmidt <tilman@imap.cc>
Date: Sun, 25 Oct 2009 09:30:37 +0000
Subject: [PATCH 0705/1815] bas_gigaset: checkpatch cleanup

On the quest for the holy grail of checkpatch.pl silence.

Impact: cosmetic
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/isdn/gigaset/bas-gigaset.c |  68 ++++++++++--------
 drivers/isdn/gigaset/isocdata.c    | 107 ++++++++++++++---------------
 2 files changed, 93 insertions(+), 82 deletions(-)

diff --git a/drivers/isdn/gigaset/bas-gigaset.c b/drivers/isdn/gigaset/bas-gigaset.c
index 388e63a8ae9..9fd19db045f 100644
--- a/drivers/isdn/gigaset/bas-gigaset.c
+++ b/drivers/isdn/gigaset/bas-gigaset.c
@@ -57,7 +57,7 @@ MODULE_PARM_DESC(cidmode, "Call-ID mode");
 #define USB_SX353_PRODUCT_ID    0x0022
 
 /* table of devices that work with this driver */
-static const struct usb_device_id gigaset_table [] = {
+static const struct usb_device_id gigaset_table[] = {
 	{ USB_DEVICE(USB_GIGA_VENDOR_ID, USB_3070_PRODUCT_ID) },
 	{ USB_DEVICE(USB_GIGA_VENDOR_ID, USB_3075_PRODUCT_ID) },
 	{ USB_DEVICE(USB_GIGA_VENDOR_ID, USB_SX303_PRODUCT_ID) },
@@ -137,7 +137,7 @@ struct bas_cardstate {
 #define BS_RESETTING	0x200	/* waiting for HD_RESET_INTERRUPT_PIPE_ACK */
 
 
-static struct gigaset_driver *driver = NULL;
+static struct gigaset_driver *driver;
 
 /* usb specific object needed to register this driver with the usb subsystem */
 static struct usb_driver gigaset_usb_driver = {
@@ -601,11 +601,12 @@ static int atread_submit(struct cardstate *cs, int timeout)
 	ucs->dr_cmd_in.wLength = cpu_to_le16(ucs->rcvbuf_size);
 	usb_fill_control_urb(ucs->urb_cmd_in, ucs->udev,
 			     usb_rcvctrlpipe(ucs->udev, 0),
-			     (unsigned char*) & ucs->dr_cmd_in,
+			     (unsigned char *) &ucs->dr_cmd_in,
 			     ucs->rcvbuf, ucs->rcvbuf_size,
 			     read_ctrl_callback, cs->inbuf);
 
-	if ((ret = usb_submit_urb(ucs->urb_cmd_in, GFP_ATOMIC)) != 0) {
+	ret = usb_submit_urb(ucs->urb_cmd_in, GFP_ATOMIC);
+	if (ret != 0) {
 		update_basstate(ucs, 0, BS_ATRDPEND);
 		dev_err(cs->dev, "could not submit HD_READ_ATMESSAGE: %s\n",
 			get_usb_rcmsg(ret));
@@ -652,13 +653,11 @@ static void read_int_callback(struct urb *urb)
 		return;
 	case -ENODEV:			/* device removed */
 	case -ESHUTDOWN:		/* device shut down */
-		//FIXME use this as disconnect indicator?
 		gig_dbg(DEBUG_USBREQ, "%s: device disconnected", __func__);
 		return;
 	default:		/* severe trouble */
 		dev_warn(cs->dev, "interrupt read: %s\n",
 			 get_usb_statmsg(status));
-		//FIXME corrective action? resubmission always ok?
 		goto resubmit;
 	}
 
@@ -742,7 +741,8 @@ static void read_int_callback(struct urb *urb)
 			kfree(ucs->rcvbuf);
 			ucs->rcvbuf_size = 0;
 		}
-		if ((ucs->rcvbuf = kmalloc(l, GFP_ATOMIC)) == NULL) {
+		ucs->rcvbuf = kmalloc(l, GFP_ATOMIC);
+		if (ucs->rcvbuf == NULL) {
 			spin_unlock_irqrestore(&cs->lock, flags);
 			dev_err(cs->dev, "out of memory receiving AT data\n");
 			error_reset(cs);
@@ -750,12 +750,12 @@ static void read_int_callback(struct urb *urb)
 		}
 		ucs->rcvbuf_size = l;
 		ucs->retry_cmd_in = 0;
-		if ((rc = atread_submit(cs, BAS_TIMEOUT)) < 0) {
+		rc = atread_submit(cs, BAS_TIMEOUT);
+		if (rc < 0) {
 			kfree(ucs->rcvbuf);
 			ucs->rcvbuf = NULL;
 			ucs->rcvbuf_size = 0;
 			if (rc != -ENODEV) {
-				//FIXME corrective action?
 				spin_unlock_irqrestore(&cs->lock, flags);
 				error_reset(cs);
 				break;
@@ -940,7 +940,8 @@ static int starturbs(struct bc_state *bcs)
 		}
 
 		dump_urb(DEBUG_ISO, "Initial isoc read", urb);
-		if ((rc = usb_submit_urb(urb, GFP_ATOMIC)) != 0)
+		rc = usb_submit_urb(urb, GFP_ATOMIC);
+		if (rc != 0)
 			goto error;
 	}
 
@@ -1045,7 +1046,8 @@ static int submit_iso_write_urb(struct isow_urbctx_t *ucx)
 
 		/* compute frame length according to flow control */
 		ifd->length = BAS_NORMFRAME;
-		if ((corrbytes = atomic_read(&ubc->corrbytes)) != 0) {
+		corrbytes = atomic_read(&ubc->corrbytes);
+		if (corrbytes != 0) {
 			gig_dbg(DEBUG_ISO, "%s: corrbytes=%d",
 				__func__, corrbytes);
 			if (corrbytes > BAS_HIGHFRAME - BAS_NORMFRAME)
@@ -1284,7 +1286,8 @@ static void read_iso_tasklet(unsigned long data)
 	for (;;) {
 		/* retrieve URB */
 		spin_lock_irqsave(&ubc->isoinlock, flags);
-		if (!(urb = ubc->isoindone)) {
+		urb = ubc->isoindone;
+		if (!urb) {
 			spin_unlock_irqrestore(&ubc->isoinlock, flags);
 			return;
 		}
@@ -1371,7 +1374,7 @@ static void read_iso_tasklet(unsigned long data)
 				 "isochronous read: %d data bytes missing\n",
 				 totleft);
 
-	error:
+error:
 		/* URB processed, resubmit */
 		for (frame = 0; frame < BAS_NUMFRAMES; frame++) {
 			urb->iso_frame_desc[frame].status = 0;
@@ -1568,7 +1571,7 @@ static int req_submit(struct bc_state *bcs, int req, int val, int timeout)
 	ucs->dr_ctrl.wLength = 0;
 	usb_fill_control_urb(ucs->urb_ctrl, ucs->udev,
 			     usb_sndctrlpipe(ucs->udev, 0),
-			     (unsigned char*) &ucs->dr_ctrl, NULL, 0,
+			     (unsigned char *) &ucs->dr_ctrl, NULL, 0,
 			     write_ctrl_callback, ucs);
 	ucs->retry_ctrl = 0;
 	ret = usb_submit_urb(ucs->urb_ctrl, GFP_ATOMIC);
@@ -1621,7 +1624,8 @@ static int gigaset_init_bchannel(struct bc_state *bcs)
 		return -EHOSTUNREACH;
 	}
 
-	if ((ret = starturbs(bcs)) < 0) {
+	ret = starturbs(bcs);
+	if (ret < 0) {
 		dev_err(cs->dev,
 			"could not start isochronous I/O for channel B%d: %s\n",
 			bcs->channel + 1,
@@ -1633,7 +1637,8 @@ static int gigaset_init_bchannel(struct bc_state *bcs)
 	}
 
 	req = bcs->channel ? HD_OPEN_B2CHANNEL : HD_OPEN_B1CHANNEL;
-	if ((ret = req_submit(bcs, req, 0, BAS_TIMEOUT)) < 0) {
+	ret = req_submit(bcs, req, 0, BAS_TIMEOUT);
+	if (ret < 0) {
 		dev_err(cs->dev, "could not open channel B%d\n",
 			bcs->channel + 1);
 		stopurbs(bcs->hw.bas);
@@ -1677,7 +1682,8 @@ static int gigaset_close_bchannel(struct bc_state *bcs)
 
 	/* channel running: tell device to close it */
 	req = bcs->channel ? HD_CLOSE_B2CHANNEL : HD_CLOSE_B1CHANNEL;
-	if ((ret = req_submit(bcs, req, 0, BAS_TIMEOUT)) < 0)
+	ret = req_submit(bcs, req, 0, BAS_TIMEOUT);
+	if (ret < 0)
 		dev_err(cs->dev, "closing channel B%d failed\n",
 			bcs->channel + 1);
 
@@ -1703,10 +1709,12 @@ static void complete_cb(struct cardstate *cs)
 	gig_dbg(DEBUG_TRANSCMD|DEBUG_LOCKCMD,
 		"write_command: sent %u bytes, %u left",
 		cs->curlen, cs->cmdbytes);
-	if ((cs->cmdbuf = cb->next) != NULL) {
+	if (cb->next != NULL) {
+		cs->cmdbuf = cb->next;
 		cs->cmdbuf->prev = NULL;
 		cs->curlen = cs->cmdbuf->len;
 	} else {
+		cs->cmdbuf = NULL;
 		cs->lastcmdbuf = NULL;
 		cs->curlen = 0;
 	}
@@ -1833,7 +1841,7 @@ static int atwrite_submit(struct cardstate *cs, unsigned char *buf, int len)
 	ucs->dr_cmd_out.wLength = cpu_to_le16(len);
 	usb_fill_control_urb(ucs->urb_cmd_out, ucs->udev,
 			     usb_sndctrlpipe(ucs->udev, 0),
-			     (unsigned char*) &ucs->dr_cmd_out, buf, len,
+			     (unsigned char *) &ucs->dr_cmd_out, buf, len,
 			     write_command_callback, cs);
 	rc = usb_submit_urb(ucs->urb_cmd_out, GFP_ATOMIC);
 	if (unlikely(rc)) {
@@ -1953,7 +1961,8 @@ static int gigaset_write_cmd(struct cardstate *cs,
 
 	if (len > IF_WRITEBUF)
 		len = IF_WRITEBUF;
-	if (!(cb = kmalloc(sizeof(struct cmdbuf_t) + len, GFP_ATOMIC))) {
+	cb = kmalloc(sizeof(struct cmdbuf_t) + len, GFP_ATOMIC);
+	if (!cb) {
 		dev_err(cs->dev, "%s: out of memory\n", __func__);
 		rc = -ENOMEM;
 		goto notqueued;
@@ -2100,7 +2109,8 @@ static int gigaset_initbcshw(struct bc_state *bcs)
 	}
 	ubc->isooutdone = ubc->isooutfree = ubc->isooutovfl = NULL;
 	ubc->numsub = 0;
-	if (!(ubc->isooutbuf = kmalloc(sizeof(struct isowbuf_t), GFP_KERNEL))) {
+	ubc->isooutbuf = kmalloc(sizeof(struct isowbuf_t), GFP_KERNEL);
+	if (!ubc->isooutbuf) {
 		pr_err("out of memory\n");
 		kfree(ubc);
 		bcs->hw.bas = NULL;
@@ -2252,7 +2262,8 @@ static int gigaset_probe(struct usb_interface *interface,
 		gig_dbg(DEBUG_ANY,
 			"%s: wrong alternate setting %d - trying to switch",
 			__func__, hostif->desc.bAlternateSetting);
-		if (usb_set_interface(udev, hostif->desc.bInterfaceNumber, 3) < 0) {
+		if (usb_set_interface(udev, hostif->desc.bInterfaceNumber, 3)
+		    < 0) {
 			dev_warn(&udev->dev, "usb_set_interface failed, "
 				 "device %d interface %d altsetting %d\n",
 				 udev->devnum, hostif->desc.bInterfaceNumber,
@@ -2321,14 +2332,16 @@ static int gigaset_probe(struct usb_interface *interface,
 					(endpoint->bEndpointAddress) & 0x0f),
 			 ucs->int_in_buf, IP_MSGSIZE, read_int_callback, cs,
 			 endpoint->bInterval);
-	if ((rc = usb_submit_urb(ucs->urb_int_in, GFP_KERNEL)) != 0) {
+	rc = usb_submit_urb(ucs->urb_int_in, GFP_KERNEL);
+	if (rc != 0) {
 		dev_err(cs->dev, "could not submit interrupt URB: %s\n",
 			get_usb_rcmsg(rc));
 		goto error;
 	}
 
 	/* tell the device that the driver is ready */
-	if ((rc = req_submit(cs->bcs, HD_DEVICE_INIT_ACK, 0, 0)) != 0)
+	rc = req_submit(cs->bcs, HD_DEVICE_INIT_ACK, 0, 0);
+	if (rc != 0)
 		goto error;
 
 	/* tell common part that the device is ready */
@@ -2524,9 +2537,10 @@ static int __init bas_gigaset_init(void)
 	int result;
 
 	/* allocate memory for our driver state and intialize it */
-	if ((driver = gigaset_initdriver(GIGASET_MINOR, GIGASET_MINORS,
-				       GIGASET_MODULENAME, GIGASET_DEVNAME,
-				       &gigops, THIS_MODULE)) == NULL)
+	driver = gigaset_initdriver(GIGASET_MINOR, GIGASET_MINORS,
+				    GIGASET_MODULENAME, GIGASET_DEVNAME,
+				    &gigops, THIS_MODULE);
+	if (driver == NULL)
 		goto error;
 
 	/* register this driver with the USB subsystem */
diff --git a/drivers/isdn/gigaset/isocdata.c b/drivers/isdn/gigaset/isocdata.c
index bc41611e541..85394a6ebae 100644
--- a/drivers/isdn/gigaset/isocdata.c
+++ b/drivers/isdn/gigaset/isocdata.c
@@ -41,7 +41,8 @@ static inline int isowbuf_freebytes(struct isowbuf_t *iwb)
 
 	read = iwb->read;
 	write = iwb->write;
-	if ((freebytes = read - write) > 0) {
+	freebytes = read - write;
+	if (freebytes > 0) {
 		/* no wraparound: need padding space within regular area */
 		return freebytes - BAS_OUTBUFPAD;
 	} else if (read < BAS_OUTBUFPAD) {
@@ -53,29 +54,6 @@ static inline int isowbuf_freebytes(struct isowbuf_t *iwb)
 	}
 }
 
-/* compare two offsets within the buffer
- * The buffer is seen as circular, with the read position as start
- * returns -1/0/1 if position a </=/> position b without crossing 'read'
- */
-static inline int isowbuf_poscmp(struct isowbuf_t *iwb, int a, int b)
-{
-	int read;
-	if (a == b)
-		return 0;
-	read = iwb->read;
-	if (a < b) {
-		if (a < read && read <= b)
-			return +1;
-		else
-			return -1;
-	} else {
-		if (b < read && read <= a)
-			return -1;
-		else
-			return +1;
-	}
-}
-
 /* start writing
  * acquire the write semaphore
  * return true if acquired, false if busy
@@ -271,7 +249,7 @@ static inline void dump_bytes(enum debuglevel level, const char *tag,
  *        bit 14..13 = number of bits added by stuffing
  */
 static const u16 stufftab[5 * 256] = {
-// previous 1s = 0:
+/* previous 1s = 0: */
  0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008, 0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f,
  0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018, 0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x201f,
  0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028, 0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f,
@@ -289,7 +267,7 @@ static const u16 stufftab[5 * 256] = {
  0x0ce0, 0x0ce1, 0x0ce2, 0x0ce3, 0x0ce4, 0x0ce5, 0x0ce6, 0x0ce7, 0x0ce8, 0x0ce9, 0x0cea, 0x0ceb, 0x0cec, 0x0ced, 0x0cee, 0x0cef,
  0x10f0, 0x10f1, 0x10f2, 0x10f3, 0x10f4, 0x10f5, 0x10f6, 0x10f7, 0x20f8, 0x20f9, 0x20fa, 0x20fb, 0x257c, 0x257d, 0x29be, 0x2ddf,
 
-// previous 1s = 1:
+/* previous 1s = 1: */
  0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008, 0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x200f,
  0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018, 0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x202f,
  0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, 0x0028, 0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x204f,
@@ -307,7 +285,7 @@ static const u16 stufftab[5 * 256] = {
  0x0ce0, 0x0ce1, 0x0ce2, 0x0ce3, 0x0ce4, 0x0ce5, 0x0ce6, 0x0ce7, 0x0ce8, 0x0ce9, 0x0cea, 0x0ceb, 0x0cec, 0x0ced, 0x0cee, 0x2dcf,
  0x10f0, 0x10f1, 0x10f2, 0x10f3, 0x10f4, 0x10f5, 0x10f6, 0x10f7, 0x20f8, 0x20f9, 0x20fa, 0x20fb, 0x257c, 0x257d, 0x29be, 0x31ef,
 
-// previous 1s = 2:
+/* previous 1s = 2: */
  0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x2007, 0x0008, 0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x2017,
  0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x2027, 0x0018, 0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x2037,
  0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x2047, 0x0028, 0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x2057,
@@ -325,7 +303,7 @@ static const u16 stufftab[5 * 256] = {
  0x0ce0, 0x0ce1, 0x0ce2, 0x0ce3, 0x0ce4, 0x0ce5, 0x0ce6, 0x2dc7, 0x0ce8, 0x0ce9, 0x0cea, 0x0ceb, 0x0cec, 0x0ced, 0x0cee, 0x2dd7,
  0x10f0, 0x10f1, 0x10f2, 0x10f3, 0x10f4, 0x10f5, 0x10f6, 0x31e7, 0x20f8, 0x20f9, 0x20fa, 0x20fb, 0x257c, 0x257d, 0x29be, 0x41f7,
 
-// previous 1s = 3:
+/* previous 1s = 3: */
  0x0000, 0x0001, 0x0002, 0x2003, 0x0004, 0x0005, 0x0006, 0x200b, 0x0008, 0x0009, 0x000a, 0x2013, 0x000c, 0x000d, 0x000e, 0x201b,
  0x0010, 0x0011, 0x0012, 0x2023, 0x0014, 0x0015, 0x0016, 0x202b, 0x0018, 0x0019, 0x001a, 0x2033, 0x001c, 0x001d, 0x001e, 0x203b,
  0x0020, 0x0021, 0x0022, 0x2043, 0x0024, 0x0025, 0x0026, 0x204b, 0x0028, 0x0029, 0x002a, 0x2053, 0x002c, 0x002d, 0x002e, 0x205b,
@@ -343,7 +321,7 @@ static const u16 stufftab[5 * 256] = {
  0x0ce0, 0x0ce1, 0x0ce2, 0x2dc3, 0x0ce4, 0x0ce5, 0x0ce6, 0x2dcb, 0x0ce8, 0x0ce9, 0x0cea, 0x2dd3, 0x0cec, 0x0ced, 0x0cee, 0x2ddb,
  0x10f0, 0x10f1, 0x10f2, 0x31e3, 0x10f4, 0x10f5, 0x10f6, 0x31eb, 0x20f8, 0x20f9, 0x20fa, 0x41f3, 0x257c, 0x257d, 0x29be, 0x46fb,
 
-// previous 1s = 4:
+/* previous 1s = 4: */
  0x0000, 0x2001, 0x0002, 0x2005, 0x0004, 0x2009, 0x0006, 0x200d, 0x0008, 0x2011, 0x000a, 0x2015, 0x000c, 0x2019, 0x000e, 0x201d,
  0x0010, 0x2021, 0x0012, 0x2025, 0x0014, 0x2029, 0x0016, 0x202d, 0x0018, 0x2031, 0x001a, 0x2035, 0x001c, 0x2039, 0x001e, 0x203d,
  0x0020, 0x2041, 0x0022, 0x2045, 0x0024, 0x2049, 0x0026, 0x204d, 0x0028, 0x2051, 0x002a, 0x2055, 0x002c, 0x2059, 0x002e, 0x205d,
@@ -367,7 +345,8 @@ static const u16 stufftab[5 * 256] = {
  * parameters:
  *	cin	input byte
  *	ones	number of trailing '1' bits in result before this step
- *	iwb	pointer to output buffer structure (write semaphore must be held)
+ *	iwb	pointer to output buffer structure
+ *		(write semaphore must be held)
  * return value:
  *	number of trailing '1' bits in result after this step
  */
@@ -408,7 +387,8 @@ static inline int hdlc_bitstuff_byte(struct isowbuf_t *iwb, unsigned char cin,
  * parameters:
  *	in	input buffer
  *	count	number of bytes in input buffer
- *	iwb	pointer to output buffer structure (write semaphore must be held)
+ *	iwb	pointer to output buffer structure
+ *		(write semaphore must be held)
  * return value:
  *	position of end of packet in output buffer on success,
  *	-EAGAIN if write semaphore busy or buffer full
@@ -440,7 +420,8 @@ static inline int hdlc_buildframe(struct isowbuf_t *iwb,
 		fcs = crc_ccitt_byte(fcs, c);
 	}
 
-	/* bitstuff and append FCS (complemented, least significant byte first) */
+	/* bitstuff and append FCS
+	 * (complemented, least significant byte first) */
 	fcs ^= 0xffff;
 	ones = hdlc_bitstuff_byte(iwb, fcs & 0x00ff, ones);
 	ones = hdlc_bitstuff_byte(iwb, (fcs >> 8) & 0x00ff, ones);
@@ -459,7 +440,8 @@ static inline int hdlc_buildframe(struct isowbuf_t *iwb,
  * parameters:
  *	in	input buffer
  *	count	number of bytes in input buffer
- *	iwb	pointer to output buffer structure (write semaphore must be held)
+ *	iwb	pointer to output buffer structure
+ *		(write semaphore must be held)
  * return value:
  *	position of end of packet in output buffer on success,
  *	-EAGAIN if write semaphore busy or buffer full
@@ -567,8 +549,8 @@ static inline void hdlc_done(struct bc_state *bcs)
 		hdlc_flush(bcs);
 		return;
 	}
-
-	if ((procskb = bcs->skb) == NULL) {
+	procskb = bcs->skb;
+	if (procskb == NULL) {
 		/* previous error */
 		gig_dbg(DEBUG_ISO, "%s: skb=NULL", __func__);
 		gigaset_isdn_rcv_err(bcs);
@@ -646,8 +628,8 @@ static const unsigned char bitcounts[256] = {
 };
 
 /* hdlc_unpack
- * perform HDLC frame processing (bit unstuffing, flag detection, FCS calculation)
- * on a sequence of received data bytes (8 bits each, LSB first)
+ * perform HDLC frame processing (bit unstuffing, flag detection, FCS
+ * calculation) on a sequence of received data bytes (8 bits each, LSB first)
  * pass on successfully received, complete frames as SKBs via gigaset_skb_rcvd
  * notify of errors via gigaset_isdn_rcv_err
  * tally frames, errors etc. in BC structure counters
@@ -665,9 +647,12 @@ static inline void hdlc_unpack(unsigned char *src, unsigned count,
 
 	/* load previous state:
 	 * inputstate = set of flag bits:
-	 * - INS_flag_hunt: no complete opening flag received since connection setup or last abort
-	 * - INS_have_data: at least one complete data byte received since last flag
-	 * seqlen = number of consecutive '1' bits in last 7 input stream bits (0..7)
+	 * - INS_flag_hunt: no complete opening flag received since connection
+	 *                  setup or last abort
+	 * - INS_have_data: at least one complete data byte received since last
+	 *                  flag
+	 * seqlen = number of consecutive '1' bits in last 7 input stream bits
+	 *          (0..7)
 	 * inbyte = accumulated partial data byte (if !INS_flag_hunt)
 	 * inbits = number of valid bits in inbyte, starting at LSB (0..6)
 	 */
@@ -701,9 +686,11 @@ static inline void hdlc_unpack(unsigned char *src, unsigned count,
 				inbyte = c >> (lead1 + 1);
 				inbits = 7 - lead1;
 				if (trail1 >= 8) {
-					/* interior stuffing: omitting the MSB handles most cases */
+					/* interior stuffing:
+					 * omitting the MSB handles most cases,
+					 * correct the incorrectly handled
+					 * cases individually */
 					inbits--;
-					/* correct the incorrectly handled cases individually */
 					switch (c) {
 					case 0xbe:
 						inbyte = 0x3f;
@@ -729,13 +716,14 @@ static inline void hdlc_unpack(unsigned char *src, unsigned count,
 			hdlc_flush(bcs);
 			inputstate |= INS_flag_hunt;
 		} else if (seqlen == 6) {
-			/* closing flag, including (6 - lead1) '1's and one '0' from inbits */
+			/* closing flag, including (6 - lead1) '1's
+			 * and one '0' from inbits */
 			if (inbits > 7 - lead1) {
 				hdlc_frag(bcs, inbits + lead1 - 7);
 				inputstate &= ~INS_have_data;
 			} else {
 				if (inbits < 7 - lead1)
-					ubc->stolen0s ++;
+					ubc->stolen0s++;
 				if (inputstate & INS_have_data) {
 					hdlc_done(bcs);
 					inputstate &= ~INS_have_data;
@@ -744,7 +732,7 @@ static inline void hdlc_unpack(unsigned char *src, unsigned count,
 
 			if (c == PPP_FLAG) {
 				/* complete flag, LSB overlaps preceding flag */
-				ubc->shared0s ++;
+				ubc->shared0s++;
 				inbits = 0;
 				inbyte = 0;
 			} else if (trail1 != 7) {
@@ -752,9 +740,11 @@ static inline void hdlc_unpack(unsigned char *src, unsigned count,
 				inbyte = c >> (lead1 + 1);
 				inbits = 7 - lead1;
 				if (trail1 >= 8) {
-					/* interior stuffing: omitting the MSB handles most cases */
+					/* interior stuffing:
+					 * omitting the MSB handles most cases,
+					 * correct the incorrectly handled
+					 * cases individually */
 					inbits--;
-					/* correct the incorrectly handled cases individually */
 					switch (c) {
 					case 0xbe:
 						inbyte = 0x3f;
@@ -762,7 +752,8 @@ static inline void hdlc_unpack(unsigned char *src, unsigned count,
 					}
 				}
 			} else {
-				/* abort sequence follows, skb already empty anyway */
+				/* abort sequence follows,
+				 * skb already empty anyway */
 				ubc->aborts++;
 				inputstate |= INS_flag_hunt;
 			}
@@ -787,14 +778,17 @@ static inline void hdlc_unpack(unsigned char *src, unsigned count,
 			} else {
 				/* stuffed data */
 				if (trail1 < 7) { /* => seqlen == 5 */
-					/* stuff bit at position lead1, no interior stuffing */
+					/* stuff bit at position lead1,
+					 * no interior stuffing */
 					unsigned char mask = (1 << lead1) - 1;
 					c = (c & mask) | ((c & ~mask) >> 1);
 					inbyte |= c << inbits;
 					inbits += 7;
 				} else if (seqlen < 5) { /* trail1 >= 8 */
-					/* interior stuffing: omitting the MSB handles most cases */
-					/* correct the incorrectly handled cases individually */
+					/* interior stuffing:
+					 * omitting the MSB handles most cases,
+					 * correct the incorrectly handled
+					 * cases individually */
 					switch (c) {
 					case 0xbe:
 						c = 0x7e;
@@ -804,8 +798,9 @@ static inline void hdlc_unpack(unsigned char *src, unsigned count,
 					inbits += 7;
 				} else { /* seqlen == 5 && trail1 >= 8 */
 
-					/* stuff bit at lead1 *and* interior stuffing */
-					switch (c) {	/* unstuff individually */
+					/* stuff bit at lead1 *and* interior
+					 * stuffing -- unstuff individually */
+					switch (c) {
 					case 0x7d:
 						c = 0x3f;
 						break;
@@ -862,7 +857,8 @@ static inline void trans_receive(unsigned char *src, unsigned count,
 		hdlc_flush(bcs);
 		return;
 	}
-	if (unlikely((skb = bcs->skb) == NULL)) {
+	skb = bcs->skb;
+	if (unlikely(skb == NULL)) {
 		bcs->skb = skb = dev_alloc_skb(SBUFSIZE + cs->hw_hdr_len);
 		if (!skb) {
 			dev_err(cs->dev, "could not allocate skb\n");
@@ -895,7 +891,8 @@ static inline void trans_receive(unsigned char *src, unsigned count,
 	}
 }
 
-void gigaset_isoc_receive(unsigned char *src, unsigned count, struct bc_state *bcs)
+void gigaset_isoc_receive(unsigned char *src, unsigned count,
+			  struct bc_state *bcs)
 {
 	switch (bcs->proto2) {
 	case L2_HDLC:
-- 
GitLab


From c35a87ff6678f92b12437843e88f9c89437ed4a7 Mon Sep 17 00:00:00 2001
From: Tilman Schmidt <tilman@imap.cc>
Date: Sun, 25 Oct 2009 09:30:47 +0000
Subject: [PATCH 0706/1815] gigaset: checkpatch cleanup of ev-layer.c

On more step towards the holy grail of checkpatch.pl silence.

Impact: cosmetic
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/isdn/gigaset/ev-layer.c | 478 +++++++++++++++-----------------
 1 file changed, 231 insertions(+), 247 deletions(-)

diff --git a/drivers/isdn/gigaset/ev-layer.c b/drivers/isdn/gigaset/ev-layer.c
index 369927f9072..a9a397519ba 100644
--- a/drivers/isdn/gigaset/ev-layer.c
+++ b/drivers/isdn/gigaset/ev-layer.c
@@ -40,8 +40,8 @@
 
 /* Possible ASCII responses */
 #define RSP_OK		0
-//#define RSP_BUSY	1
-//#define RSP_CONNECT	2
+#define RSP_BUSY	1
+#define RSP_CONNECT	2
 #define RSP_ZGCI	3
 #define RSP_RING	4
 #define RSP_ZAOC	5
@@ -68,7 +68,6 @@
 #define RSP_ZHLC	(RSP_STR + STR_ZHLC)
 #define RSP_ERROR	-1	/* ERROR              */
 #define RSP_WRONG_CID	-2	/* unknown cid in cmd */
-//#define RSP_EMPTY	-3
 #define RSP_UNKNOWN	-4	/* unknown response   */
 #define RSP_FAIL	-5	/* internal error     */
 #define RSP_INVAL	-6	/* invalid response   */
@@ -76,9 +75,9 @@
 #define RSP_NONE	-19
 #define RSP_STRING	-20
 #define RSP_NULL	-21
-//#define RSP_RETRYFAIL	-22
-//#define RSP_RETRY	-23
-//#define RSP_SKIP	-24
+#define RSP_RETRYFAIL	-22
+#define RSP_RETRY	-23
+#define RSP_SKIP	-24
 #define RSP_INIT	-27
 #define RSP_ANY		-26
 #define RSP_LAST	-28
@@ -158,229 +157,225 @@
 #define SEQ_UMMODE	11
 
 
-// 100: init, 200: dle0, 250:dle1, 300: get cid (dial), 350: "hup" (no cid), 400: hup, 500: reset, 600: dial, 700: ring
+/* 100: init, 200: dle0, 250:dle1, 300: get cid (dial), 350: "hup" (no cid),
+ * 400: hup, 500: reset, 600: dial, 700: ring */
 struct reply_t gigaset_tab_nocid[] =
 {
-	/* resp_code, min_ConState, max_ConState, parameter, new_ConState, timeout, action, command */
-
-	/* initialize device, set cid mode if possible */
-	//{RSP_INIT,     -1, -1,100,                900, 0, {ACT_TEST}},
-	//{RSP_ERROR,   900,900, -1,                  0, 0, {ACT_FAILINIT}},
-	//{RSP_OK,      900,900, -1,                100, INIT_TIMEOUT,
-	//                                                  {ACT_TIMEOUT}},
-
-	{RSP_INIT,     -1, -1,SEQ_INIT,           100, INIT_TIMEOUT,
-							  {ACT_TIMEOUT}},                /* wait until device is ready */
-
-	{EV_TIMEOUT,  100,100, -1,                101, 3, {0},             "Z\r"},       /* device in transparent mode? try to initialize it. */
-	{RSP_OK,      101,103, -1,                120, 5, {ACT_GETSTRING}, "+GMR\r"},    /* get version */
-
-	{EV_TIMEOUT,  101,101, -1,                102, 5, {0},             "Z\r"},       /* timeout => try once again. */
-	{RSP_ERROR,   101,101, -1,                102, 5, {0},             "Z\r"},       /* error => try once again. */
-
-	{EV_TIMEOUT,  102,102, -1,                108, 5, {ACT_SETDLE1},   "^SDLE=0\r"}, /* timeout => try again in DLE mode. */
-	{RSP_OK,      108,108, -1,                104,-1},
-	{RSP_ZDLE,    104,104,  0,                103, 5, {0},             "Z\r"},
-	{EV_TIMEOUT,  104,104, -1,                  0, 0, {ACT_FAILINIT}},
-	{RSP_ERROR,   108,108, -1,                  0, 0, {ACT_FAILINIT}},
-
-	{EV_TIMEOUT,  108,108, -1,                105, 2, {ACT_SETDLE0,
-							   ACT_HUPMODEM,
-							   ACT_TIMEOUT}},                /* still timeout => connection in unimodem mode? */
-	{EV_TIMEOUT,  105,105, -1,                103, 5, {0},             "Z\r"},
-
-	{RSP_ERROR,   102,102, -1,                107, 5, {0},             "^GETPRE\r"}, /* ERROR on ATZ => maybe in config mode? */
-	{RSP_OK,      107,107, -1,                  0, 0, {ACT_CONFIGMODE}},
-	{RSP_ERROR,   107,107, -1,                  0, 0, {ACT_FAILINIT}},
-	{EV_TIMEOUT,  107,107, -1,                  0, 0, {ACT_FAILINIT}},
-
-	{RSP_ERROR,   103,103, -1,                  0, 0, {ACT_FAILINIT}},
-	{EV_TIMEOUT,  103,103, -1,                  0, 0, {ACT_FAILINIT}},
-
-	{RSP_STRING,  120,120, -1,                121,-1, {ACT_SETVER}},
-
-	{EV_TIMEOUT,  120,121, -1,                  0, 0, {ACT_FAILVER, ACT_INIT}},
-	{RSP_ERROR,   120,121, -1,                  0, 0, {ACT_FAILVER, ACT_INIT}},
-	{RSP_OK,      121,121, -1,                  0, 0, {ACT_GOTVER,  ACT_INIT}},
-
-	/* leave dle mode */
-	{RSP_INIT,      0,  0,SEQ_DLE0,           201, 5, {0},             "^SDLE=0\r"},
-	{RSP_OK,      201,201, -1,                202,-1},
-	{RSP_ZDLE,    202,202,  0,                  0, 0, {ACT_DLE0}},
-	{RSP_NODEV,   200,249, -1,                  0, 0, {ACT_FAKEDLE0}},
-	{RSP_ERROR,   200,249, -1,                  0, 0, {ACT_FAILDLE0}},
-	{EV_TIMEOUT,  200,249, -1,                  0, 0, {ACT_FAILDLE0}},
-
-	/* enter dle mode */
-	{RSP_INIT,      0,  0,SEQ_DLE1,           251, 5, {0},             "^SDLE=1\r"},
-	{RSP_OK,      251,251, -1,                252,-1},
-	{RSP_ZDLE,    252,252,  1,                  0, 0, {ACT_DLE1}},
-	{RSP_ERROR,   250,299, -1,                  0, 0, {ACT_FAILDLE1}},
-	{EV_TIMEOUT,  250,299, -1,                  0, 0, {ACT_FAILDLE1}},
-
-	/* incoming call */
-	{RSP_RING,     -1, -1, -1,                 -1,-1, {ACT_RING}},
-
-	/* get cid */
-	//{RSP_INIT,      0,  0,300,                901, 0, {ACT_TEST}},
-	//{RSP_ERROR,   901,901, -1,                  0, 0, {ACT_FAILCID}},
-	//{RSP_OK,      901,901, -1,                301, 5, {0},             "^SGCI?\r"},
-
-	{RSP_INIT,      0,  0,SEQ_CID,            301, 5, {0},             "^SGCI?\r"},
-	{RSP_OK,      301,301, -1,                302,-1},
-	{RSP_ZGCI,    302,302, -1,                  0, 0, {ACT_CID}},
-	{RSP_ERROR,   301,349, -1,                  0, 0, {ACT_FAILCID}},
-	{EV_TIMEOUT,  301,349, -1,                  0, 0, {ACT_FAILCID}},
-
-	/* enter cid mode */
-	{RSP_INIT,      0,  0,SEQ_CIDMODE,        150, 5, {0},             "^SGCI=1\r"},
-	{RSP_OK,      150,150, -1,                  0, 0, {ACT_CMODESET}},
-	{RSP_ERROR,   150,150, -1,                  0, 0, {ACT_FAILCMODE}},
-	{EV_TIMEOUT,  150,150, -1,                  0, 0, {ACT_FAILCMODE}},
-
-	/* leave cid mode */
-	//{RSP_INIT,      0,  0,SEQ_UMMODE,         160, 5, {0},             "^SGCI=0\r"},
-	{RSP_INIT,      0,  0,SEQ_UMMODE,         160, 5, {0},             "Z\r"},
-	{RSP_OK,      160,160, -1,                  0, 0, {ACT_UMODESET}},
-	{RSP_ERROR,   160,160, -1,                  0, 0, {ACT_FAILUMODE}},
-	{EV_TIMEOUT,  160,160, -1,                  0, 0, {ACT_FAILUMODE}},
-
-	/* abort getting cid */
-	{RSP_INIT,      0,  0,SEQ_NOCID,            0, 0, {ACT_ABORTCID}},
-
-	/* reset */
-	{RSP_INIT,      0,  0,SEQ_SHUTDOWN,       504, 5, {0},             "Z\r"},
-	{RSP_OK,      504,504, -1,                  0, 0, {ACT_SDOWN}},
-	{RSP_ERROR,   501,599, -1,                  0, 0, {ACT_FAILSDOWN}},
-	{EV_TIMEOUT,  501,599, -1,                  0, 0, {ACT_FAILSDOWN}},
-	{RSP_NODEV,   501,599, -1,                  0, 0, {ACT_FAKESDOWN}},
-
-	{EV_PROC_CIDMODE,-1, -1, -1,               -1,-1, {ACT_PROC_CIDMODE}}, //FIXME
-	{EV_IF_LOCK,   -1, -1, -1,                 -1,-1, {ACT_IF_LOCK}}, //FIXME
-	{EV_IF_VER,    -1, -1, -1,                 -1,-1, {ACT_IF_VER}}, //FIXME
-	{EV_START,     -1, -1, -1,                 -1,-1, {ACT_START}}, //FIXME
-	{EV_STOP,      -1, -1, -1,                 -1,-1, {ACT_STOP}}, //FIXME
-	{EV_SHUTDOWN,  -1, -1, -1,                 -1,-1, {ACT_SHUTDOWN}}, //FIXME
-
-	/* misc. */
-	{RSP_ERROR,    -1, -1, -1,                 -1, -1, {ACT_ERROR} },
-	{RSP_EMPTY,    -1, -1, -1,                 -1,-1, {ACT_DEBUG}}, //FIXME
-	{RSP_ZCFGT,    -1, -1, -1,                 -1,-1, {ACT_DEBUG}}, //FIXME
-	{RSP_ZCFG,     -1, -1, -1,                 -1,-1, {ACT_DEBUG}}, //FIXME
-	{RSP_ZLOG,     -1, -1, -1,                 -1,-1, {ACT_DEBUG}}, //FIXME
-	{RSP_ZMWI,     -1, -1, -1,                 -1,-1, {ACT_DEBUG}}, //FIXME
-	{RSP_ZABINFO,  -1, -1, -1,                 -1,-1, {ACT_DEBUG}}, //FIXME
-	{RSP_ZSMLSTCHG,-1, -1, -1,                 -1,-1, {ACT_DEBUG}}, //FIXME
-
-	{RSP_ZCAU,     -1, -1, -1,                 -1,-1, {ACT_ZCAU}},
-	{RSP_NONE,     -1, -1, -1,                 -1,-1, {ACT_DEBUG}},
-	{RSP_ANY,      -1, -1, -1,                 -1,-1, {ACT_WARN}},
-	{RSP_LAST}
+/* resp_code, min_ConState, max_ConState, parameter, new_ConState, timeout,
+ * action, command */
+
+/* initialize device, set cid mode if possible */
+{RSP_INIT,	 -1,  -1, SEQ_INIT,		100,  1, {ACT_TIMEOUT} },
+
+{EV_TIMEOUT,	100, 100, -1,			101,  3, {0},	"Z\r"},
+{RSP_OK,	101, 103, -1,			120,  5, {ACT_GETSTRING},
+								"+GMR\r"},
+
+{EV_TIMEOUT,	101, 101, -1,			102,  5, {0},	"Z\r"},
+{RSP_ERROR,	101, 101, -1,			102,  5, {0},	"Z\r"},
+
+{EV_TIMEOUT,	102, 102, -1,			108,  5, {ACT_SETDLE1},
+								"^SDLE=0\r"},
+{RSP_OK,	108, 108, -1,			104, -1},
+{RSP_ZDLE,	104, 104,  0,			103,  5, {0},	"Z\r"},
+{EV_TIMEOUT,	104, 104, -1,			  0,  0, {ACT_FAILINIT} },
+{RSP_ERROR,	108, 108, -1,			  0,  0, {ACT_FAILINIT} },
+
+{EV_TIMEOUT,	108, 108, -1,			105,  2, {ACT_SETDLE0,
+							  ACT_HUPMODEM,
+							  ACT_TIMEOUT} },
+{EV_TIMEOUT,	105, 105, -1,			103,  5, {0},	"Z\r"},
+
+{RSP_ERROR,	102, 102, -1,			107,  5, {0},	"^GETPRE\r"},
+{RSP_OK,	107, 107, -1,			  0,  0, {ACT_CONFIGMODE} },
+{RSP_ERROR,	107, 107, -1,			  0,  0, {ACT_FAILINIT} },
+{EV_TIMEOUT,	107, 107, -1,			  0,  0, {ACT_FAILINIT} },
+
+{RSP_ERROR,	103, 103, -1,			  0,  0, {ACT_FAILINIT} },
+{EV_TIMEOUT,	103, 103, -1,			  0,  0, {ACT_FAILINIT} },
+
+{RSP_STRING,	120, 120, -1,			121, -1, {ACT_SETVER} },
+
+{EV_TIMEOUT,	120, 121, -1,			  0,  0, {ACT_FAILVER,
+							  ACT_INIT} },
+{RSP_ERROR,	120, 121, -1,			  0,  0, {ACT_FAILVER,
+							  ACT_INIT} },
+{RSP_OK,	121, 121, -1,			  0,  0, {ACT_GOTVER,
+							  ACT_INIT} },
+
+/* leave dle mode */
+{RSP_INIT,	  0,   0, SEQ_DLE0,		201,  5, {0},	"^SDLE=0\r"},
+{RSP_OK,	201, 201, -1,			202, -1},
+{RSP_ZDLE,	202, 202,  0,			  0,  0, {ACT_DLE0} },
+{RSP_NODEV,	200, 249, -1,			  0,  0, {ACT_FAKEDLE0} },
+{RSP_ERROR,	200, 249, -1,			  0,  0, {ACT_FAILDLE0} },
+{EV_TIMEOUT,	200, 249, -1,			  0,  0, {ACT_FAILDLE0} },
+
+/* enter dle mode */
+{RSP_INIT,	  0,   0, SEQ_DLE1,		251,  5, {0},	"^SDLE=1\r"},
+{RSP_OK,	251, 251, -1,			252, -1},
+{RSP_ZDLE,	252, 252,  1,			  0,  0, {ACT_DLE1} },
+{RSP_ERROR,	250, 299, -1,			  0,  0, {ACT_FAILDLE1} },
+{EV_TIMEOUT,	250, 299, -1,			  0,  0, {ACT_FAILDLE1} },
+
+/* incoming call */
+{RSP_RING,	 -1,  -1, -1,			 -1, -1, {ACT_RING} },
+
+/* get cid */
+{RSP_INIT,	  0,   0, SEQ_CID,		301,  5, {0},	"^SGCI?\r"},
+{RSP_OK,	301, 301, -1,			302, -1},
+{RSP_ZGCI,	302, 302, -1,			  0,  0, {ACT_CID} },
+{RSP_ERROR,	301, 349, -1,			  0,  0, {ACT_FAILCID} },
+{EV_TIMEOUT,	301, 349, -1,			  0,  0, {ACT_FAILCID} },
+
+/* enter cid mode */
+{RSP_INIT,	  0,   0, SEQ_CIDMODE,		150,  5, {0},	"^SGCI=1\r"},
+{RSP_OK,	150, 150, -1,			  0,  0, {ACT_CMODESET} },
+{RSP_ERROR,	150, 150, -1,			  0,  0, {ACT_FAILCMODE} },
+{EV_TIMEOUT,	150, 150, -1,			  0,  0, {ACT_FAILCMODE} },
+
+/* leave cid mode */
+{RSP_INIT,	  0,   0, SEQ_UMMODE,		160,  5, {0},	"Z\r"},
+{RSP_OK,	160, 160, -1,			  0,  0, {ACT_UMODESET} },
+{RSP_ERROR,	160, 160, -1,			  0,  0, {ACT_FAILUMODE} },
+{EV_TIMEOUT,	160, 160, -1,			  0,  0, {ACT_FAILUMODE} },
+
+/* abort getting cid */
+{RSP_INIT,	  0,   0, SEQ_NOCID,		  0,  0, {ACT_ABORTCID} },
+
+/* reset */
+{RSP_INIT,	  0,   0, SEQ_SHUTDOWN,		504,  5, {0},	"Z\r"},
+{RSP_OK,	504, 504, -1,			  0,  0, {ACT_SDOWN} },
+{RSP_ERROR,	501, 599, -1,			  0,  0, {ACT_FAILSDOWN} },
+{EV_TIMEOUT,	501, 599, -1,			  0,  0, {ACT_FAILSDOWN} },
+{RSP_NODEV,	501, 599, -1,			  0,  0, {ACT_FAKESDOWN} },
+
+{EV_PROC_CIDMODE, -1, -1, -1,			 -1, -1, {ACT_PROC_CIDMODE} },
+{EV_IF_LOCK,	 -1,  -1, -1,			 -1, -1, {ACT_IF_LOCK} },
+{EV_IF_VER,	 -1,  -1, -1,			 -1, -1, {ACT_IF_VER} },
+{EV_START,	 -1,  -1, -1,			 -1, -1, {ACT_START} },
+{EV_STOP,	 -1,  -1, -1,			 -1, -1, {ACT_STOP} },
+{EV_SHUTDOWN,	 -1,  -1, -1,			 -1, -1, {ACT_SHUTDOWN} },
+
+/* misc. */
+{RSP_ERROR,	 -1,  -1, -1,			 -1, -1, {ACT_ERROR} },
+{RSP_ZCFGT,	 -1,  -1, -1,			 -1, -1, {ACT_DEBUG} },
+{RSP_ZCFG,	 -1,  -1, -1,			 -1, -1, {ACT_DEBUG} },
+{RSP_ZLOG,	 -1,  -1, -1,			 -1, -1, {ACT_DEBUG} },
+{RSP_ZMWI,	 -1,  -1, -1,			 -1, -1, {ACT_DEBUG} },
+{RSP_ZABINFO,	 -1,  -1, -1,			 -1, -1, {ACT_DEBUG} },
+{RSP_ZSMLSTCHG,	 -1,  -1, -1,			 -1, -1, {ACT_DEBUG} },
+
+{RSP_ZCAU,	 -1,  -1, -1,			 -1, -1, {ACT_ZCAU} },
+{RSP_NONE,	 -1,  -1, -1,			 -1, -1, {ACT_DEBUG} },
+{RSP_ANY,	 -1,  -1, -1,			 -1, -1, {ACT_WARN} },
+{RSP_LAST}
 };
 
-// 600: start dialing, 650: dial in progress, 800: connection is up, 700: ring, 400: hup, 750: accepted icall
+/* 600: start dialing, 650: dial in progress, 800: connection is up, 700: ring,
+ * 400: hup, 750: accepted icall */
 struct reply_t gigaset_tab_cid[] =
 {
-	/* resp_code, min_ConState, max_ConState, parameter, new_ConState, timeout, action, command */
-
-	/* dial */
-	{EV_DIAL,      -1, -1, -1,                 -1,-1, {ACT_DIAL}}, //FIXME
-	{RSP_INIT,      0,  0,SEQ_DIAL,           601, 5, {ACT_CMD+AT_BC}},
-	{RSP_OK,      601,601, -1,                602, 5, {ACT_CMD+AT_HLC}},
-	{RSP_NULL,    602,602, -1,                603, 5, {ACT_CMD+AT_PROTO}},
-	{RSP_OK,      602,602, -1,                603, 5, {ACT_CMD+AT_PROTO}},
-	{RSP_OK,      603,603, -1,                604, 5, {ACT_CMD+AT_TYPE}},
-	{RSP_OK,      604,604, -1,                605, 5, {ACT_CMD+AT_MSN}},
-	{RSP_NULL,    605, 605, -1,               606, 5, {ACT_CMD+AT_CLIP} },
-	{RSP_OK,      605, 605, -1,               606, 5, {ACT_CMD+AT_CLIP} },
-	{RSP_NULL,    606, 606, -1,               607, 5, {ACT_CMD+AT_ISO} },
-	{RSP_OK,      606, 606, -1,               607, 5, {ACT_CMD+AT_ISO} },
-	{RSP_OK,      607, 607, -1,               608, 5, {0}, "+VLS=17\r"},
-	{RSP_OK,      608, 608, -1,               609, -1},
-	{RSP_ZSAU,    609, 609, ZSAU_PROCEEDING,  610, 5, {ACT_CMD+AT_DIAL} },
-	{RSP_OK,      610, 610, -1,               650, 0, {ACT_DIALING} },
-
-	{RSP_ERROR,   601, 610, -1,                 0, 0, {ACT_ABORTDIAL} },
-	{EV_TIMEOUT,  601, 610, -1,                 0, 0, {ACT_ABORTDIAL} },
-
-	/* optional dialing responses */
-	{EV_BC_OPEN,  650,650, -1,                651,-1},
-	{RSP_ZVLS,    609, 651, 17,                -1, -1, {ACT_DEBUG} },
-	{RSP_ZCTP,    610, 651, -1,                -1, -1, {ACT_DEBUG} },
-	{RSP_ZCPN,    610, 651, -1,                -1, -1, {ACT_DEBUG} },
-	{RSP_ZSAU,    650,651,ZSAU_CALL_DELIVERED, -1,-1, {ACT_DEBUG}},
-
-	/* connect */
-	{RSP_ZSAU,    650,650,ZSAU_ACTIVE,        800,-1, {ACT_CONNECT}},
-	{RSP_ZSAU,    651,651,ZSAU_ACTIVE,        800,-1, {ACT_CONNECT,
-							   ACT_NOTIFY_BC_UP}},
-	{RSP_ZSAU,    750,750,ZSAU_ACTIVE,        800,-1, {ACT_CONNECT}},
-	{RSP_ZSAU,    751,751,ZSAU_ACTIVE,        800,-1, {ACT_CONNECT,
-							   ACT_NOTIFY_BC_UP}},
-	{EV_BC_OPEN,  800,800, -1,                800,-1, {ACT_NOTIFY_BC_UP}},
-
-	/* remote hangup */
-	{RSP_ZSAU,    650,651,ZSAU_DISCONNECT_IND,  0, 0, {ACT_REMOTEREJECT}},
-	{RSP_ZSAU,    750,751,ZSAU_DISCONNECT_IND,  0, 0, {ACT_REMOTEHUP}},
-	{RSP_ZSAU,    800,800,ZSAU_DISCONNECT_IND,  0, 0, {ACT_REMOTEHUP}},
-
-	/* hangup */
-	{EV_HUP,       -1, -1, -1,                 -1,-1, {ACT_HUP}}, //FIXME
-	{RSP_INIT,     -1, -1,SEQ_HUP,            401, 5, {0},             "+VLS=0\r"}, /* hang up */ //-1,-1?
-	{RSP_OK,      401,401, -1,                402, 5},
-	{RSP_ZVLS,    402,402,  0,                403, 5},
-	{RSP_ZSAU,    403, 403, ZSAU_DISCONNECT_REQ, -1, -1, {ACT_DEBUG} },
-	{RSP_ZSAU,    403, 403, ZSAU_NULL,            0,  0, {ACT_DISCONNECT} },
-	{RSP_NODEV,   401, 403, -1,                   0,  0, {ACT_FAKEHUP} },
-	{RSP_ERROR,   401,401, -1,                  0, 0, {ACT_ABORTHUP}},
-	{EV_TIMEOUT,  401,403, -1,                  0, 0, {ACT_ABORTHUP}},
-
-	{EV_BC_CLOSED,  0,  0, -1,                  0,-1, {ACT_NOTIFY_BC_DOWN}}, //FIXME new constate + timeout
-
-	/* ring */
-	{RSP_ZBC,     700,700, -1,                 -1,-1, {0}},
-	{RSP_ZHLC,    700,700, -1,                 -1,-1, {0}},
-	{RSP_NMBR,    700,700, -1,                 -1,-1, {0}},
-	{RSP_ZCPN,    700,700, -1,                 -1,-1, {0}},
-	{RSP_ZCTP,    700,700, -1,                 -1,-1, {0}},
-	{EV_TIMEOUT,  700,700, -1,               720,720, {ACT_ICALL}},
-	{EV_BC_CLOSED,720,720, -1,                  0,-1, {ACT_NOTIFY_BC_DOWN}},
-
-	/*accept icall*/
-	{EV_ACCEPT,    -1, -1, -1,                 -1,-1, {ACT_ACCEPT}}, //FIXME
-	{RSP_INIT,    720,720,SEQ_ACCEPT,         721, 5, {ACT_CMD+AT_PROTO}},
-	{RSP_OK,      721,721, -1,                722, 5, {ACT_CMD+AT_ISO}},
-	{RSP_OK,      722,722, -1,                723, 5, {0},             "+VLS=17\r"}, /* set "Endgeraetemodus" */
-	{RSP_OK,      723,723, -1,                724, 5, {0}},
-	{RSP_ZVLS,    724,724, 17,                750,50, {ACT_ACCEPTED}},
-	{RSP_ERROR,   721,729, -1,                  0, 0, {ACT_ABORTACCEPT}},
-	{EV_TIMEOUT,  721,729, -1,                  0, 0, {ACT_ABORTACCEPT}},
-	{RSP_ZSAU,    700,729,ZSAU_NULL,            0, 0, {ACT_ABORTACCEPT}},
-	{RSP_ZSAU,    700,729,ZSAU_ACTIVE,          0, 0, {ACT_ABORTACCEPT}},
-	{RSP_ZSAU,    700,729,ZSAU_DISCONNECT_IND,  0, 0, {ACT_ABORTACCEPT}},
-
-	{EV_BC_OPEN,  750,750, -1,                751,-1},
-	{EV_TIMEOUT,  750,751, -1,                  0, 0, {ACT_CONNTIMEOUT}},
-
-	/* B channel closed (general case) */
-	{EV_BC_CLOSED, -1, -1, -1,                 -1,-1, {ACT_NOTIFY_BC_DOWN}}, //FIXME
-
-	/* misc. */
-	{RSP_ZCON,     -1, -1, -1,                 -1,-1, {ACT_DEBUG}}, //FIXME
-	{RSP_ZCCR,     -1, -1, -1,                 -1,-1, {ACT_DEBUG}}, //FIXME
-	{RSP_ZAOC,     -1, -1, -1,                 -1,-1, {ACT_DEBUG}}, //FIXME
-	{RSP_ZCSTR,    -1, -1, -1,                 -1,-1, {ACT_DEBUG}}, //FIXME
-
-	{RSP_ZCAU,     -1, -1, -1,                 -1,-1, {ACT_ZCAU}},
-	{RSP_NONE,     -1, -1, -1,                 -1,-1, {ACT_DEBUG}},
-	{RSP_ANY,      -1, -1, -1,                 -1,-1, {ACT_WARN}},
-	{RSP_LAST}
+/* resp_code, min_ConState, max_ConState, parameter, new_ConState, timeout,
+ * action, command */
+
+/* dial */
+{EV_DIAL,	 -1,  -1, -1,			 -1, -1, {ACT_DIAL} },
+{RSP_INIT,	  0,   0, SEQ_DIAL,		601,  5, {ACT_CMD+AT_BC} },
+{RSP_OK,	601, 601, -1,			602,  5, {ACT_CMD+AT_HLC} },
+{RSP_NULL,	602, 602, -1,			603,  5, {ACT_CMD+AT_PROTO} },
+{RSP_OK,	602, 602, -1,			603,  5, {ACT_CMD+AT_PROTO} },
+{RSP_OK,	603, 603, -1,			604,  5, {ACT_CMD+AT_TYPE} },
+{RSP_OK,	604, 604, -1,			605,  5, {ACT_CMD+AT_MSN} },
+{RSP_NULL,	605, 605, -1,			606,  5, {ACT_CMD+AT_CLIP} },
+{RSP_OK,	605, 605, -1,			606,  5, {ACT_CMD+AT_CLIP} },
+{RSP_NULL,	606, 606, -1,			607,  5, {ACT_CMD+AT_ISO} },
+{RSP_OK,	606, 606, -1,			607,  5, {ACT_CMD+AT_ISO} },
+{RSP_OK,	607, 607, -1,			608,  5, {0},	"+VLS=17\r"},
+{RSP_OK,	608, 608, -1,			609, -1},
+{RSP_ZSAU,	609, 609, ZSAU_PROCEEDING,	610,  5, {ACT_CMD+AT_DIAL} },
+{RSP_OK,	610, 610, -1,			650,  0, {ACT_DIALING} },
+
+{RSP_ERROR,	601, 610, -1,			  0,  0, {ACT_ABORTDIAL} },
+{EV_TIMEOUT,	601, 610, -1,			  0,  0, {ACT_ABORTDIAL} },
+
+/* optional dialing responses */
+{EV_BC_OPEN,	650, 650, -1,			651, -1},
+{RSP_ZVLS,	609, 651, 17,			 -1, -1, {ACT_DEBUG} },
+{RSP_ZCTP,	610, 651, -1,			 -1, -1, {ACT_DEBUG} },
+{RSP_ZCPN,	610, 651, -1,			 -1, -1, {ACT_DEBUG} },
+{RSP_ZSAU,	650, 651, ZSAU_CALL_DELIVERED,	 -1, -1, {ACT_DEBUG} },
+
+/* connect */
+{RSP_ZSAU,	650, 650, ZSAU_ACTIVE,		800, -1, {ACT_CONNECT} },
+{RSP_ZSAU,	651, 651, ZSAU_ACTIVE,		800, -1, {ACT_CONNECT,
+							  ACT_NOTIFY_BC_UP} },
+{RSP_ZSAU,	750, 750, ZSAU_ACTIVE,		800, -1, {ACT_CONNECT} },
+{RSP_ZSAU,	751, 751, ZSAU_ACTIVE,		800, -1, {ACT_CONNECT,
+							  ACT_NOTIFY_BC_UP} },
+{EV_BC_OPEN,	800, 800, -1,			800, -1, {ACT_NOTIFY_BC_UP} },
+
+/* remote hangup */
+{RSP_ZSAU,	650, 651, ZSAU_DISCONNECT_IND,	  0,  0, {ACT_REMOTEREJECT} },
+{RSP_ZSAU,	750, 751, ZSAU_DISCONNECT_IND,	  0,  0, {ACT_REMOTEHUP} },
+{RSP_ZSAU,	800, 800, ZSAU_DISCONNECT_IND,	  0,  0, {ACT_REMOTEHUP} },
+
+/* hangup */
+{EV_HUP,	 -1,  -1, -1,			 -1, -1, {ACT_HUP} },
+{RSP_INIT,	 -1,  -1, SEQ_HUP,		401,  5, {0},	"+VLS=0\r"},
+{RSP_OK,	401, 401, -1,			402,  5},
+{RSP_ZVLS,	402, 402,  0,			403,  5},
+{RSP_ZSAU,	403, 403, ZSAU_DISCONNECT_REQ,	 -1, -1, {ACT_DEBUG} },
+{RSP_ZSAU,	403, 403, ZSAU_NULL,		  0,  0, {ACT_DISCONNECT} },
+{RSP_NODEV,	401, 403, -1,			  0,  0, {ACT_FAKEHUP} },
+{RSP_ERROR,	401, 401, -1,			  0,  0, {ACT_ABORTHUP} },
+{EV_TIMEOUT,	401, 403, -1,			  0,  0, {ACT_ABORTHUP} },
+
+{EV_BC_CLOSED,	  0,   0, -1,			  0, -1, {ACT_NOTIFY_BC_DOWN} },
+
+/* ring */
+{RSP_ZBC,	700, 700, -1,			 -1, -1, {0} },
+{RSP_ZHLC,	700, 700, -1,			 -1, -1, {0} },
+{RSP_NMBR,	700, 700, -1,			 -1, -1, {0} },
+{RSP_ZCPN,	700, 700, -1,			 -1, -1, {0} },
+{RSP_ZCTP,	700, 700, -1,			 -1, -1, {0} },
+{EV_TIMEOUT,	700, 700, -1,			720, 720, {ACT_ICALL} },
+{EV_BC_CLOSED,	720, 720, -1,			  0, -1, {ACT_NOTIFY_BC_DOWN} },
+
+/*accept icall*/
+{EV_ACCEPT,	 -1,  -1, -1,			 -1, -1, {ACT_ACCEPT} },
+{RSP_INIT,	720, 720, SEQ_ACCEPT,		721,  5, {ACT_CMD+AT_PROTO} },
+{RSP_OK,	721, 721, -1,			722,  5, {ACT_CMD+AT_ISO} },
+{RSP_OK,	722, 722, -1,			723,  5, {0},	"+VLS=17\r"},
+{RSP_OK,	723, 723, -1,			724,  5, {0} },
+{RSP_ZVLS,	724, 724, 17,			750, 50, {ACT_ACCEPTED} },
+{RSP_ERROR,	721, 729, -1,			  0,  0, {ACT_ABORTACCEPT} },
+{EV_TIMEOUT,	721, 729, -1,			  0,  0, {ACT_ABORTACCEPT} },
+{RSP_ZSAU,	700, 729, ZSAU_NULL,		  0,  0, {ACT_ABORTACCEPT} },
+{RSP_ZSAU,	700, 729, ZSAU_ACTIVE,		  0,  0, {ACT_ABORTACCEPT} },
+{RSP_ZSAU,	700, 729, ZSAU_DISCONNECT_IND,	  0,  0, {ACT_ABORTACCEPT} },
+
+{EV_BC_OPEN,	750, 750, -1,			751, -1},
+{EV_TIMEOUT,	750, 751, -1,			  0,  0, {ACT_CONNTIMEOUT} },
+
+/* B channel closed (general case) */
+{EV_BC_CLOSED,	 -1,  -1, -1,			 -1, -1, {ACT_NOTIFY_BC_DOWN} },
+
+/* misc. */
+{RSP_ZCON,	 -1,  -1, -1,			 -1, -1, {ACT_DEBUG} },
+{RSP_ZCCR,	 -1,  -1, -1,			 -1, -1, {ACT_DEBUG} },
+{RSP_ZAOC,	 -1,  -1, -1,			 -1, -1, {ACT_DEBUG} },
+{RSP_ZCSTR,	 -1,  -1, -1,			 -1, -1, {ACT_DEBUG} },
+
+{RSP_ZCAU,	 -1,  -1, -1,			 -1, -1, {ACT_ZCAU} },
+{RSP_NONE,	 -1,  -1, -1,			 -1, -1, {ACT_DEBUG} },
+{RSP_ANY,	 -1,  -1, -1,			 -1, -1, {ACT_WARN} },
+{RSP_LAST}
 };
 
 
 static const struct resp_type_t resp_type[] =
 {
-	/*{"",		RSP_EMPTY,	RT_NOTHING},*/
 	{"OK",		RSP_OK,		RT_NOTHING},
 	{"ERROR",	RSP_ERROR,	RT_NOTHING},
 	{"ZSAU",	RSP_ZSAU,	RT_ZSAU},
@@ -404,7 +399,7 @@ static const struct resp_type_t resp_type[] =
 	{"ZLOG",	RSP_ZLOG,	RT_NOTHING},
 	{"ZABINFO",	RSP_ZABINFO,	RT_NOTHING},
 	{"ZSMLSTCHG",	RSP_ZSMLSTCHG,	RT_NOTHING},
-	{NULL,0,0}
+	{NULL,		0,		0}
 };
 
 /*
@@ -469,7 +464,6 @@ static int cid_of_response(char *s)
 	if (cid < 1 || cid > 65535)
 		return -1;	/* CID out of range */
 	return cid;
-	//FIXME is ;<digit>+ at end of non-CID response really impossible?
 }
 
 /**
@@ -613,7 +607,8 @@ void gigaset_handle_modem_response(struct cardstate *cs)
 				break;
 			}
 			if (!strcmp(argv[curarg], "OUTGOING_CALL_PROCEEDING"))
-				event->parameter = ZSAU_OUTGOING_CALL_PROCEEDING;
+				event->parameter =
+					ZSAU_OUTGOING_CALL_PROCEEDING;
 			else if (!strcmp(argv[curarg], "CALL_DELIVERED"))
 				event->parameter = ZSAU_CALL_DELIVERED;
 			else if (!strcmp(argv[curarg], "ACTIVE"))
@@ -896,7 +891,8 @@ static void bchannel_up(struct bc_state *bcs)
 	gigaset_isdn_connB(bcs);
 }
 
-static void start_dial(struct at_state_t *at_state, void *data, unsigned seq_index)
+static void start_dial(struct at_state_t *at_state, void *data,
+			unsigned seq_index)
 {
 	struct bc_state *bcs = at_state->bcs;
 	struct cardstate *cs = at_state->cs;
@@ -973,8 +969,6 @@ static void do_start(struct cardstate *cs)
 
 	cs->isdn_up = 1;
 	gigaset_isdn_start(cs);
-					// FIXME: not in locked mode
-					// FIXME 2: only after init sequence
 
 	cs->waiting = 0;
 	wake_up(&cs->waitqueue);
@@ -1128,7 +1122,6 @@ static int do_lock(struct cardstate *cs)
 
 		break;
 	case MS_LOCKED:
-		//retval = -EACCES;
 		break;
 	default:
 		return -EBUSY;
@@ -1384,7 +1377,7 @@ static void do_action(int action, struct cardstate *cs,
 		cs->cur_at_seq = SEQ_NONE;
 		break;
 
-	case ACT_ABORTACCEPT:	/* hangup/error/timeout during ICALL processing */
+	case ACT_ABORTACCEPT:	/* hangup/error/timeout during ICALL procssng */
 		disconnect(p_at_state);
 		break;
 
@@ -1458,17 +1451,6 @@ static void do_action(int action, struct cardstate *cs,
 			__func__, at_state->ConState);
 		cs->cur_at_seq = SEQ_NONE;
 		break;
-#ifdef CONFIG_GIGASET_DEBUG
-	case ACT_TEST:
-		{
-			static int count = 3; //2; //1;
-			*p_genresp = 1;
-			*p_resp_code = count ? RSP_ERROR : RSP_OK;
-			if (count > 0)
-				--count;
-		}
-		break;
-#endif
 	case ACT_DEBUG:
 		gig_dbg(DEBUG_ANY, "%s: resp_code %d in ConState %d",
 			__func__, ev->type, at_state->ConState);
@@ -1503,7 +1485,7 @@ static void do_action(int action, struct cardstate *cs,
 		do_start(cs);
 		break;
 
-	/* events from the interface */ // FIXME without ACT_xxxx?
+	/* events from the interface */
 	case ACT_IF_LOCK:
 		cs->cmd_result = ev->parameter ? do_lock(cs) : do_unlock(cs);
 		cs->waiting = 0;
@@ -1522,7 +1504,7 @@ static void do_action(int action, struct cardstate *cs,
 		wake_up(&cs->waitqueue);
 		break;
 
-	/* events from the proc file system */ // FIXME without ACT_xxxx?
+	/* events from the proc file system */
 	case ACT_PROC_CIDMODE:
 		spin_lock_irqsave(&cs->lock, flags);
 		if (ev->parameter != cs->cidmode) {
@@ -1659,7 +1641,8 @@ static void process_event(struct cardstate *cs, struct event_t *ev)
 	for (curact = 0; curact < MAXACT; ++curact) {
 		/* The row tells us what we should do  ..
 		 */
-		do_action(rep->action[curact], cs, bcs, &at_state, &p_command, &genresp, &resp_code, ev);
+		do_action(rep->action[curact], cs, bcs, &at_state, &p_command,
+			  &genresp, &resp_code, ev);
 		if (!at_state)
 			break; /* may be freed after disconnect */
 	}
@@ -1671,13 +1654,14 @@ static void process_event(struct cardstate *cs, struct event_t *ev)
 
 		if (genresp) {
 			spin_lock_irqsave(&cs->lock, flags);
-			at_state->timer_expires = 0; //FIXME
-			at_state->timer_active = 0; //FIXME
+			at_state->timer_expires = 0;
+			at_state->timer_active = 0;
 			spin_unlock_irqrestore(&cs->lock, flags);
-			gigaset_add_event(cs, at_state, resp_code, NULL, 0, NULL);
+			gigaset_add_event(cs, at_state, resp_code,
+					  NULL, 0, NULL);
 		} else {
 			/* Send command to modem if not NULL... */
-			if (p_command/*rep->command*/) {
+			if (p_command) {
 				if (cs->connected)
 					send_command(cs, p_command,
 						     sendcid, cs->dle,
@@ -1764,7 +1748,8 @@ static void process_command_flags(struct cardstate *cs)
 		}
 	}
 
-	/* only switch back to unimodem mode, if no commands are pending and no channels are up */
+	/* only switch back to unimodem mode if no commands are pending and
+	 * no channels are up */
 	spin_lock_irqsave(&cs->lock, flags);
 	if (cs->at_state.pending_commands == PC_UMMODE
 	    && !cs->cidmode
@@ -1823,9 +1808,8 @@ static void process_command_flags(struct cardstate *cs)
 
 	if (cs->at_state.pending_commands & PC_INIT) {
 		cs->at_state.pending_commands &= ~PC_INIT;
-		cs->dle = 0; //FIXME
+		cs->dle = 0;
 		cs->inbuf->inputstate = INS_command;
-		//FIXME reset card state (or -> LOCK0)?
 		schedule_sequence(cs, &cs->at_state, SEQ_INIT);
 		return;
 	}
-- 
GitLab


From 50e4fe91a5edbf680853b2ca37300a47ff860d63 Mon Sep 17 00:00:00 2001
From: Tilman Schmidt <tilman@imap.cc>
Date: Sun, 25 Oct 2009 09:30:57 +0000
Subject: [PATCH 0707/1815] gigaset: convert strcmp chain to table lookup

Replace the sequence of strcmp calls for interpreting ZSAU parameter
strings by a table of known strings and lookup loop to improve
readability.

Impact: readability improvement, no functional change
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/isdn/gigaset/ev-layer.c | 42 ++++++++++++++++++++-------------
 drivers/isdn/gigaset/gigaset.h  |  6 -----
 2 files changed, 25 insertions(+), 23 deletions(-)

diff --git a/drivers/isdn/gigaset/ev-layer.c b/drivers/isdn/gigaset/ev-layer.c
index a9a397519ba..ddeb0456d20 100644
--- a/drivers/isdn/gigaset/ev-layer.c
+++ b/drivers/isdn/gigaset/ev-layer.c
@@ -374,7 +374,11 @@ struct reply_t gigaset_tab_cid[] =
 };
 
 
-static const struct resp_type_t resp_type[] =
+static const struct resp_type_t {
+	unsigned char	*response;
+	int		resp_code;
+	int		type;
+} resp_type[] =
 {
 	{"OK",		RSP_OK,		RT_NOTHING},
 	{"ERROR",	RSP_ERROR,	RT_NOTHING},
@@ -402,6 +406,20 @@ static const struct resp_type_t resp_type[] =
 	{NULL,		0,		0}
 };
 
+static const struct zsau_resp_t {
+	unsigned char	*str;
+	int		code;
+} zsau_resp[] =
+{
+	{"OUTGOING_CALL_PROCEEDING",	ZSAU_OUTGOING_CALL_PROCEEDING},
+	{"CALL_DELIVERED",		ZSAU_CALL_DELIVERED},
+	{"ACTIVE",			ZSAU_ACTIVE},
+	{"DISCONNECT_IND",		ZSAU_DISCONNECT_IND},
+	{"NULL",			ZSAU_NULL},
+	{"DISCONNECT_REQ",		ZSAU_DISCONNECT_REQ},
+	{NULL,				ZSAU_UNKNOWN}
+};
+
 /*
  * Get integer from char-pointer
  */
@@ -480,6 +498,7 @@ void gigaset_handle_modem_response(struct cardstate *cs)
 	int params;
 	int i, j;
 	const struct resp_type_t *rt;
+	const struct zsau_resp_t *zr;
 	int curarg;
 	unsigned long flags;
 	unsigned next, tail, head;
@@ -606,25 +625,14 @@ void gigaset_handle_modem_response(struct cardstate *cs)
 				event->parameter = ZSAU_NONE;
 				break;
 			}
-			if (!strcmp(argv[curarg], "OUTGOING_CALL_PROCEEDING"))
-				event->parameter =
-					ZSAU_OUTGOING_CALL_PROCEEDING;
-			else if (!strcmp(argv[curarg], "CALL_DELIVERED"))
-				event->parameter = ZSAU_CALL_DELIVERED;
-			else if (!strcmp(argv[curarg], "ACTIVE"))
-				event->parameter = ZSAU_ACTIVE;
-			else if (!strcmp(argv[curarg], "DISCONNECT_IND"))
-				event->parameter = ZSAU_DISCONNECT_IND;
-			else if (!strcmp(argv[curarg], "NULL"))
-				event->parameter = ZSAU_NULL;
-			else if (!strcmp(argv[curarg], "DISCONNECT_REQ"))
-				event->parameter = ZSAU_DISCONNECT_REQ;
-			else {
-				event->parameter = ZSAU_UNKNOWN;
+			for (zr = zsau_resp; zr->str; ++zr)
+				if (!strcmp(argv[curarg], zr->str))
+					break;
+			event->parameter = zr->code;
+			if (!zr->str)
 				dev_warn(cs->dev,
 					"%s: unknown parameter %s after ZSAU\n",
 					 __func__, argv[curarg]);
-			}
 			++curarg;
 			break;
 		case RT_STRING:
diff --git a/drivers/isdn/gigaset/gigaset.h b/drivers/isdn/gigaset/gigaset.h
index 3c74cd16401..e963a6c2e86 100644
--- a/drivers/isdn/gigaset/gigaset.h
+++ b/drivers/isdn/gigaset/gigaset.h
@@ -357,12 +357,6 @@ struct at_state_t {
 	struct bc_state		*bcs;
 };
 
-struct resp_type_t {
-	unsigned char	*response;
-	int		resp_code;	/* RSP_XXXX */
-	int		type;		/* RT_XXXX */
-};
-
 struct event_t {
 	int type;
 	void *ptr, *arg;
-- 
GitLab


From 091bb8ab51c668635d1a75359019005921676881 Mon Sep 17 00:00:00 2001
From: roel kluin <roel.kluin@gmail.com>
Date: Fri, 23 Oct 2009 05:21:56 +0000
Subject: [PATCH 0708/1815] net: Cleanup redundant tests on unsigned

If there is data, the unsigned skb->len is greater than 0.

rt.sigdigits is unsigned as well, so the test `>= 0' is
always true, the other part of the test catches wrapped
values.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/x25/x25_in.c    | 2 +-
 net/x25/x25_route.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/x25/x25_in.c b/net/x25/x25_in.c
index 7d7c3abf38b..96d92278354 100644
--- a/net/x25/x25_in.c
+++ b/net/x25/x25_in.c
@@ -114,7 +114,7 @@ static int x25_state1_machine(struct sock *sk, struct sk_buff *skb, int frametyp
 			/*
 			 *	Copy any Call User Data.
 			 */
-			if (skb->len >= 0) {
+			if (skb->len > 0) {
 				skb_copy_from_linear_data(skb,
 					      x25->calluserdata.cuddata,
 					      skb->len);
diff --git a/net/x25/x25_route.c b/net/x25/x25_route.c
index 2c999ccf504..66961ea28c9 100644
--- a/net/x25/x25_route.c
+++ b/net/x25/x25_route.c
@@ -190,7 +190,7 @@ int x25_route_ioctl(unsigned int cmd, void __user *arg)
 		goto out;
 
 	rc = -EINVAL;
-	if (rt.sigdigits < 0 || rt.sigdigits > 15)
+	if (rt.sigdigits > 15)
 		goto out;
 
 	dev = x25_dev_get(rt.device);
-- 
GitLab


From 65a1c4fffaaf5ca166a1263d84ca664d5192cda6 Mon Sep 17 00:00:00 2001
From: roel kluin <roel.kluin@gmail.com>
Date: Fri, 23 Oct 2009 05:59:21 +0000
Subject: [PATCH 0709/1815] net: Cleanup redundant tests on unsigned

optlen is unsigned so the `< 0' test is never true.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/can/raw.c          | 2 --
 net/compat.c           | 3 ---
 net/ipv4/ip_sockglue.c | 2 +-
 3 files changed, 1 insertion(+), 6 deletions(-)

diff --git a/net/can/raw.c b/net/can/raw.c
index 962fc9f1d0c..6e77db58b9e 100644
--- a/net/can/raw.c
+++ b/net/can/raw.c
@@ -424,8 +424,6 @@ static int raw_setsockopt(struct socket *sock, int level, int optname,
 
 	if (level != SOL_CAN_RAW)
 		return -EINVAL;
-	if (optlen < 0)
-		return -EINVAL;
 
 	switch (optname) {
 
diff --git a/net/compat.c b/net/compat.c
index e13f5256fd2..6a2f75fb3f4 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -390,9 +390,6 @@ asmlinkage long compat_sys_setsockopt(int fd, int level, int optname,
 	int err;
 	struct socket *sock;
 
-	if (optlen < 0)
-		return -EINVAL;
-
 	if ((sock = sockfd_lookup(fd, &err))!=NULL)
 	{
 		err = security_socket_setsockopt(sock,level,optname);
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index a72f43ce33b..cafad9baff0 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -480,7 +480,7 @@ static int do_ip_setsockopt(struct sock *sk, int level,
 	case IP_OPTIONS:
 	{
 		struct ip_options *opt = NULL;
-		if (optlen > 40 || optlen < 0)
+		if (optlen > 40)
 			goto e_inval;
 		err = ip_options_get_from_user(sock_net(sk), &opt,
 					       optval, optlen);
-- 
GitLab


From e0c5567d06ecf7777b6c46f4d933a0a6e09a44f3 Mon Sep 17 00:00:00 2001
From: roel kluin <roel.kluin@gmail.com>
Date: Fri, 23 Oct 2009 06:09:55 +0000
Subject: [PATCH 0710/1815] atm: Cleanup redundant tests on unsigned

The variables are unsigned so the `< 0' test always fails, the
other part of the test catches wrapped values.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/atm/fore200e.c | 4 ++--
 drivers/atm/he.c       | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/atm/fore200e.c b/drivers/atm/fore200e.c
index f766cc46b4c..bc53fed89b1 100644
--- a/drivers/atm/fore200e.c
+++ b/drivers/atm/fore200e.c
@@ -2906,8 +2906,8 @@ fore200e_proc_read(struct atm_dev *dev, loff_t* pos, char* page)
 	u32 media_index    = FORE200E_MEDIA_INDEX(fore200e->bus->read(&fore200e->cp_queues->media_type));
 	u32 oc3_index;
 
-	if ((media_index < 0) || (media_index > 4))
-	    media_index = 5;
+	if (media_index > 4)
+		media_index = 5;
 	
 	switch (fore200e->loop_mode) {
 	    case ATM_LM_NONE:    oc3_index = 0;
diff --git a/drivers/atm/he.c b/drivers/atm/he.c
index 70667033a56..e90665876c4 100644
--- a/drivers/atm/he.c
+++ b/drivers/atm/he.c
@@ -2739,7 +2739,7 @@ he_ioctl(struct atm_dev *atm_dev, unsigned int cmd, void __user *arg)
 			spin_lock_irqsave(&he_dev->global_lock, flags);
 			switch (reg.type) {
 				case HE_REGTYPE_PCI:
-					if (reg.addr < 0 || reg.addr >= HE_REGMAP_SIZE) {
+					if (reg.addr >= HE_REGMAP_SIZE) {
 						err = -EINVAL;
 						break;
 					}
-- 
GitLab


From fb699dfd426a189fe33b91586c15176a75c8aed0 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Mon, 19 Oct 2009 19:18:49 +0000
Subject: [PATCH 0711/1815] net: Introduce dev_get_by_index_rcu()

Some workloads hit dev_base_lock rwlock pretty hard.
We can use RCU lookups to avoid touching this rwlock.

netdevices are already freed after a RCU grace period, so this patch
adds no penalty at device dismantle time.

dev_ifname() converted to dev_get_by_index_rcu()

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/netdevice.h |  1 +
 net/core/dev.c            | 48 +++++++++++++++++++++++++++++++--------
 2 files changed, 39 insertions(+), 10 deletions(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 656110a46e9..ffc3106cc03 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1139,6 +1139,7 @@ extern void		netdev_resync_ops(struct net_device *dev);
 extern int call_netdevice_notifiers(unsigned long val, struct net_device *dev);
 extern struct net_device	*dev_get_by_index(struct net *net, int ifindex);
 extern struct net_device	*__dev_get_by_index(struct net *net, int ifindex);
+extern struct net_device	*dev_get_by_index_rcu(struct net *net, int ifindex);
 extern int		dev_restart(struct net_device *dev);
 #ifdef CONFIG_NETPOLL_TRAP
 extern int		netpoll_trap(void);
diff --git a/net/core/dev.c b/net/core/dev.c
index 09551cc143a..68a1bb68b5a 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -214,12 +214,15 @@ static int list_netdevice(struct net_device *dev)
 	write_lock_bh(&dev_base_lock);
 	list_add_tail(&dev->dev_list, &net->dev_base_head);
 	hlist_add_head(&dev->name_hlist, dev_name_hash(net, dev->name));
-	hlist_add_head(&dev->index_hlist, dev_index_hash(net, dev->ifindex));
+	hlist_add_head_rcu(&dev->index_hlist,
+			   dev_index_hash(net, dev->ifindex));
 	write_unlock_bh(&dev_base_lock);
 	return 0;
 }
 
-/* Device list removal */
+/* Device list removal
+ * caller must respect a RCU grace period before freeing/reusing dev
+ */
 static void unlist_netdevice(struct net_device *dev)
 {
 	ASSERT_RTNL();
@@ -228,7 +231,7 @@ static void unlist_netdevice(struct net_device *dev)
 	write_lock_bh(&dev_base_lock);
 	list_del(&dev->dev_list);
 	hlist_del(&dev->name_hlist);
-	hlist_del(&dev->index_hlist);
+	hlist_del_rcu(&dev->index_hlist);
 	write_unlock_bh(&dev_base_lock);
 }
 
@@ -646,6 +649,31 @@ struct net_device *__dev_get_by_index(struct net *net, int ifindex)
 }
 EXPORT_SYMBOL(__dev_get_by_index);
 
+/**
+ *	dev_get_by_index_rcu - find a device by its ifindex
+ *	@net: the applicable net namespace
+ *	@ifindex: index of device
+ *
+ *	Search for an interface by index. Returns %NULL if the device
+ *	is not found or a pointer to the device. The device has not
+ *	had its reference counter increased so the caller must be careful
+ *	about locking. The caller must hold RCU lock.
+ */
+
+struct net_device *dev_get_by_index_rcu(struct net *net, int ifindex)
+{
+	struct hlist_node *p;
+	struct net_device *dev;
+	struct hlist_head *head = dev_index_hash(net, ifindex);
+
+	hlist_for_each_entry_rcu(dev, p, head, index_hlist)
+		if (dev->ifindex == ifindex)
+			return dev;
+
+	return NULL;
+}
+EXPORT_SYMBOL(dev_get_by_index_rcu);
+
 
 /**
  *	dev_get_by_index - find a device by its ifindex
@@ -662,11 +690,11 @@ struct net_device *dev_get_by_index(struct net *net, int ifindex)
 {
 	struct net_device *dev;
 
-	read_lock(&dev_base_lock);
-	dev = __dev_get_by_index(net, ifindex);
+	rcu_read_lock();
+	dev = dev_get_by_index_rcu(net, ifindex);
 	if (dev)
 		dev_hold(dev);
-	read_unlock(&dev_base_lock);
+	rcu_read_unlock();
 	return dev;
 }
 EXPORT_SYMBOL(dev_get_by_index);
@@ -2939,15 +2967,15 @@ static int dev_ifname(struct net *net, struct ifreq __user *arg)
 	if (copy_from_user(&ifr, arg, sizeof(struct ifreq)))
 		return -EFAULT;
 
-	read_lock(&dev_base_lock);
-	dev = __dev_get_by_index(net, ifr.ifr_ifindex);
+	rcu_read_lock();
+	dev = dev_get_by_index_rcu(net, ifr.ifr_ifindex);
 	if (!dev) {
-		read_unlock(&dev_base_lock);
+		rcu_read_unlock();
 		return -ENODEV;
 	}
 
 	strcpy(ifr.ifr_name, dev->name);
-	read_unlock(&dev_base_lock);
+	rcu_read_unlock();
 
 	if (copy_to_user(arg, &ifr, sizeof(struct ifreq)))
 		return -EFAULT;
-- 
GitLab


From 38bfd8f5bec496e8e0db8849e01c99a33479418a Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@openvz.org>
Date: Thu, 29 Oct 2009 02:59:18 -0700
Subject: [PATCH 0712/1815] net,socket: introduce DECLARE_SOCKADDR helper to
 catch overflow at build time

proto_ops->getname implies copying protocol specific data
into storage unit (particulary to __kernel_sockaddr_storage).
So when we implement new protocol support we should keep such
a detail in mind (which is easy to forget about).

Lets introduce DECLARE_SOCKADDR helper which check if
storage unit is not overfowed at build time.

Eventually inet_getname is switched to use DECLARE_SOCKADDR
(to show example of usage).

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/net.h    | 3 +++
 include/linux/socket.h | 3 +++
 net/ipv4/af_inet.c     | 2 +-
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/include/linux/net.h b/include/linux/net.h
index b42bb60fe92..4da9d571b05 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -199,6 +199,9 @@ struct proto_ops {
 				       struct pipe_inode_info *pipe, size_t len, unsigned int flags);
 };
 
+#define DECLARE_SOCKADDR(type, dst, src)	\
+	type dst = ({ __sockaddr_check_size(sizeof(*dst)); (type) src; })
+
 struct net_proto_family {
 	int		family;
 	int		(*create)(struct net *net, struct socket *sock, int protocol);
diff --git a/include/linux/socket.h b/include/linux/socket.h
index 59966f12990..7b3aae2052a 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -24,6 +24,9 @@ struct __kernel_sockaddr_storage {
 #include <linux/types.h>		/* pid_t			*/
 #include <linux/compiler.h>		/* __user			*/
 
+#define __sockaddr_check_size(size)	\
+	BUILD_BUG_ON(((size) > sizeof(struct __kernel_sockaddr_storage)))
+
 #ifdef __KERNEL__
 # ifdef CONFIG_PROC_FS
 struct seq_file;
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 04a14b1600a..538e84d0bcb 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -685,7 +685,7 @@ int inet_getname(struct socket *sock, struct sockaddr *uaddr,
 {
 	struct sock *sk		= sock->sk;
 	struct inet_sock *inet	= inet_sk(sk);
-	struct sockaddr_in *sin	= (struct sockaddr_in *)uaddr;
+	DECLARE_SOCKADDR(struct sockaddr_in *, sin, uaddr);
 
 	sin->sin_family = AF_INET;
 	if (peer) {
-- 
GitLab


From aa3c487f355ff1477b8369d9f0b9860387ae21d4 Mon Sep 17 00:00:00 2001
From: Jan Engelhardt <jengelh@medozas.de>
Date: Thu, 29 Oct 2009 15:35:10 +0100
Subject: [PATCH 0713/1815] netfilter: xt_socket: make module available for
 INPUT chain

This should make it possible to test for the existence of local
sockets in the INPUT path.

References: http://marc.info/?l=netfilter-devel&m=125380481517129&w=2

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Balazs Scheidler <bazsi@balabit.hu>
Signed-off-by: Patrick McHardy <kaber@trash.net>
---
 net/netfilter/xt_socket.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/net/netfilter/xt_socket.c b/net/netfilter/xt_socket.c
index 362afbd60a9..6a902564d24 100644
--- a/net/netfilter/xt_socket.c
+++ b/net/netfilter/xt_socket.c
@@ -192,7 +192,8 @@ static struct xt_match socket_mt_reg[] __read_mostly = {
 		.revision	= 0,
 		.family		= NFPROTO_IPV4,
 		.match		= socket_mt_v0,
-		.hooks		= 1 << NF_INET_PRE_ROUTING,
+		.hooks		= (1 << NF_INET_PRE_ROUTING) |
+				  (1 << NF_INET_LOCAL_IN),
 		.me		= THIS_MODULE,
 	},
 	{
@@ -201,7 +202,8 @@ static struct xt_match socket_mt_reg[] __read_mostly = {
 		.family		= NFPROTO_IPV4,
 		.match		= socket_mt_v1,
 		.matchsize	= sizeof(struct xt_socket_mtinfo1),
-		.hooks		= 1 << NF_INET_PRE_ROUTING,
+		.hooks		= (1 << NF_INET_PRE_ROUTING) |
+				  (1 << NF_INET_LOCAL_IN),
 		.me		= THIS_MODULE,
 	},
 };
-- 
GitLab


From 5b252f0c2f98df21fadf0f6cf189b87a0b938228 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Thu, 29 Oct 2009 07:17:09 +0000
Subject: [PATCH 0714/1815] gro: Name the GRO result enumeration type

This clarifies which return and parameter types are GRO result codes
and not RX result codes.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/netdevice.h | 10 ++++++----
 net/8021q/vlan_core.c     |  5 +++--
 net/core/dev.c            | 19 ++++++++++++++-----
 3 files changed, 23 insertions(+), 11 deletions(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index ffc3106cc03..6e777efe149 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -348,13 +348,14 @@ enum
 	NAPI_STATE_NPSVC,	/* Netpoll - don't dequeue from poll_list */
 };
 
-enum {
+enum gro_result {
 	GRO_MERGED,
 	GRO_MERGED_FREE,
 	GRO_HELD,
 	GRO_NORMAL,
 	GRO_DROP,
 };
+typedef enum gro_result gro_result_t;
 
 extern void __napi_schedule(struct napi_struct *n);
 
@@ -1480,16 +1481,17 @@ extern int		netif_rx_ni(struct sk_buff *skb);
 #define HAVE_NETIF_RECEIVE_SKB 1
 extern int		netif_receive_skb(struct sk_buff *skb);
 extern void		napi_gro_flush(struct napi_struct *napi);
-extern int		dev_gro_receive(struct napi_struct *napi,
+extern gro_result_t	dev_gro_receive(struct napi_struct *napi,
 					struct sk_buff *skb);
-extern int		napi_skb_finish(int ret, struct sk_buff *skb);
+extern int		napi_skb_finish(gro_result_t ret, struct sk_buff *skb);
 extern int		napi_gro_receive(struct napi_struct *napi,
 					 struct sk_buff *skb);
 extern void		napi_reuse_skb(struct napi_struct *napi,
 				       struct sk_buff *skb);
 extern struct sk_buff *	napi_get_frags(struct napi_struct *napi);
 extern int		napi_frags_finish(struct napi_struct *napi,
-					  struct sk_buff *skb, int ret);
+					  struct sk_buff *skb,
+					  gro_result_t ret);
 extern struct sk_buff *	napi_frags_skb(struct napi_struct *napi);
 extern int		napi_gro_frags(struct napi_struct *napi);
 
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index 7f7de1a04de..47a80d65c3b 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -74,8 +74,9 @@ u16 vlan_dev_vlan_id(const struct net_device *dev)
 }
 EXPORT_SYMBOL(vlan_dev_vlan_id);
 
-static int vlan_gro_common(struct napi_struct *napi, struct vlan_group *grp,
-			   unsigned int vlan_tci, struct sk_buff *skb)
+static gro_result_t
+vlan_gro_common(struct napi_struct *napi, struct vlan_group *grp,
+		unsigned int vlan_tci, struct sk_buff *skb)
 {
 	struct sk_buff *p;
 
diff --git a/net/core/dev.c b/net/core/dev.c
index 68a1bb68b5a..1dc13744684 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2476,7 +2476,7 @@ void napi_gro_flush(struct napi_struct *napi)
 }
 EXPORT_SYMBOL(napi_gro_flush);
 
-int dev_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
+enum gro_result dev_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
 {
 	struct sk_buff **pp = NULL;
 	struct packet_type *ptype;
@@ -2484,7 +2484,7 @@ int dev_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
 	struct list_head *head = &ptype_base[ntohs(type) & PTYPE_HASH_MASK];
 	int same_flow;
 	int mac_len;
-	int ret;
+	enum gro_result ret;
 
 	if (!(skb->dev->features & NETIF_F_GRO))
 		goto normal;
@@ -2568,7 +2568,8 @@ normal:
 }
 EXPORT_SYMBOL(dev_gro_receive);
 
-static int __napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
+static gro_result_t
+__napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
 {
 	struct sk_buff *p;
 
@@ -2585,7 +2586,7 @@ static int __napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
 	return dev_gro_receive(napi, skb);
 }
 
-int napi_skb_finish(int ret, struct sk_buff *skb)
+int napi_skb_finish(gro_result_t ret, struct sk_buff *skb)
 {
 	int err = NET_RX_SUCCESS;
 
@@ -2600,6 +2601,10 @@ int napi_skb_finish(int ret, struct sk_buff *skb)
 	case GRO_MERGED_FREE:
 		kfree_skb(skb);
 		break;
+
+	case GRO_HELD:
+	case GRO_MERGED:
+		break;
 	}
 
 	return err;
@@ -2652,7 +2657,8 @@ struct sk_buff *napi_get_frags(struct napi_struct *napi)
 }
 EXPORT_SYMBOL(napi_get_frags);
 
-int napi_frags_finish(struct napi_struct *napi, struct sk_buff *skb, int ret)
+int napi_frags_finish(struct napi_struct *napi, struct sk_buff *skb,
+		      gro_result_t ret)
 {
 	int err = NET_RX_SUCCESS;
 
@@ -2674,6 +2680,9 @@ int napi_frags_finish(struct napi_struct *napi, struct sk_buff *skb, int ret)
 	case GRO_MERGED_FREE:
 		napi_reuse_skb(napi, skb);
 		break;
+
+	case GRO_MERGED:
+		break;
 	}
 
 	return err;
-- 
GitLab


From c7c4b3b6e976b95facbb723951bdcd554a3530a4 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Thu, 29 Oct 2009 21:36:53 -0700
Subject: [PATCH 0715/1815] gro: Change all receive functions to return GRO
 result codes

This will allow drivers to adjust their receive path dynamically
based on whether GRO is being applied successfully.

Currently all in-tree callers ignore the return values of these
functions and do not need to be changed.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/if_vlan.h   | 25 ++++++++++++++-----------
 include/linux/netdevice.h |  8 ++++----
 net/8021q/vlan_core.c     | 16 +++++++++-------
 net/core/dev.c            | 38 +++++++++++++++-----------------------
 4 files changed, 42 insertions(+), 45 deletions(-)

diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index 71a4870c09a..153f6b9e722 100644
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -120,10 +120,12 @@ extern u16 vlan_dev_vlan_id(const struct net_device *dev);
 extern int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp,
 			     u16 vlan_tci, int polling);
 extern int vlan_hwaccel_do_receive(struct sk_buff *skb);
-extern int vlan_gro_receive(struct napi_struct *napi, struct vlan_group *grp,
-			    unsigned int vlan_tci, struct sk_buff *skb);
-extern int vlan_gro_frags(struct napi_struct *napi, struct vlan_group *grp,
-			  unsigned int vlan_tci);
+extern gro_result_t
+vlan_gro_receive(struct napi_struct *napi, struct vlan_group *grp,
+		 unsigned int vlan_tci, struct sk_buff *skb);
+extern gro_result_t
+vlan_gro_frags(struct napi_struct *napi, struct vlan_group *grp,
+	       unsigned int vlan_tci);
 
 #else
 static inline struct net_device *vlan_dev_real_dev(const struct net_device *dev)
@@ -150,17 +152,18 @@ static inline int vlan_hwaccel_do_receive(struct sk_buff *skb)
 	return 0;
 }
 
-static inline int vlan_gro_receive(struct napi_struct *napi,
-				   struct vlan_group *grp,
-				   unsigned int vlan_tci, struct sk_buff *skb)
+static inline gro_result_t
+vlan_gro_receive(struct napi_struct *napi, struct vlan_group *grp,
+		 unsigned int vlan_tci, struct sk_buff *skb)
 {
-	return NET_RX_DROP;
+	return GRO_DROP;
 }
 
-static inline int vlan_gro_frags(struct napi_struct *napi,
-				 struct vlan_group *grp, unsigned int vlan_tci)
+static inline gro_result_t
+vlan_gro_frags(struct napi_struct *napi, struct vlan_group *grp,
+	       unsigned int vlan_tci)
 {
-	return NET_RX_DROP;
+	return GRO_DROP;
 }
 #endif
 
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 6e777efe149..193b637889f 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1483,17 +1483,17 @@ extern int		netif_receive_skb(struct sk_buff *skb);
 extern void		napi_gro_flush(struct napi_struct *napi);
 extern gro_result_t	dev_gro_receive(struct napi_struct *napi,
 					struct sk_buff *skb);
-extern int		napi_skb_finish(gro_result_t ret, struct sk_buff *skb);
-extern int		napi_gro_receive(struct napi_struct *napi,
+extern gro_result_t	napi_skb_finish(gro_result_t ret, struct sk_buff *skb);
+extern gro_result_t	napi_gro_receive(struct napi_struct *napi,
 					 struct sk_buff *skb);
 extern void		napi_reuse_skb(struct napi_struct *napi,
 				       struct sk_buff *skb);
 extern struct sk_buff *	napi_get_frags(struct napi_struct *napi);
-extern int		napi_frags_finish(struct napi_struct *napi,
+extern gro_result_t	napi_frags_finish(struct napi_struct *napi,
 					  struct sk_buff *skb,
 					  gro_result_t ret);
 extern struct sk_buff *	napi_frags_skb(struct napi_struct *napi);
-extern int		napi_gro_frags(struct napi_struct *napi);
+extern gro_result_t	napi_gro_frags(struct napi_struct *napi);
 
 static inline void napi_free_frags(struct napi_struct *napi)
 {
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index 47a80d65c3b..8d5ca2ac4f8 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -102,11 +102,12 @@ drop:
 	return GRO_DROP;
 }
 
-int vlan_gro_receive(struct napi_struct *napi, struct vlan_group *grp,
-		     unsigned int vlan_tci, struct sk_buff *skb)
+gro_result_t vlan_gro_receive(struct napi_struct *napi, struct vlan_group *grp,
+			      unsigned int vlan_tci, struct sk_buff *skb)
 {
 	if (netpoll_rx_on(skb))
-		return vlan_hwaccel_receive_skb(skb, grp, vlan_tci);
+		return vlan_hwaccel_receive_skb(skb, grp, vlan_tci)
+			? GRO_DROP : GRO_NORMAL;
 
 	skb_gro_reset_offset(skb);
 
@@ -114,17 +115,18 @@ int vlan_gro_receive(struct napi_struct *napi, struct vlan_group *grp,
 }
 EXPORT_SYMBOL(vlan_gro_receive);
 
-int vlan_gro_frags(struct napi_struct *napi, struct vlan_group *grp,
-		   unsigned int vlan_tci)
+gro_result_t vlan_gro_frags(struct napi_struct *napi, struct vlan_group *grp,
+			    unsigned int vlan_tci)
 {
 	struct sk_buff *skb = napi_frags_skb(napi);
 
 	if (!skb)
-		return NET_RX_DROP;
+		return GRO_DROP;
 
 	if (netpoll_rx_on(skb)) {
 		skb->protocol = eth_type_trans(skb, skb->dev);
-		return vlan_hwaccel_receive_skb(skb, grp, vlan_tci);
+		return vlan_hwaccel_receive_skb(skb, grp, vlan_tci)
+			? GRO_DROP : GRO_NORMAL;
 	}
 
 	return napi_frags_finish(napi, skb,
diff --git a/net/core/dev.c b/net/core/dev.c
index 1dc13744684..631cc40da19 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2586,18 +2586,15 @@ __napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
 	return dev_gro_receive(napi, skb);
 }
 
-int napi_skb_finish(gro_result_t ret, struct sk_buff *skb)
+gro_result_t napi_skb_finish(gro_result_t ret, struct sk_buff *skb)
 {
-	int err = NET_RX_SUCCESS;
-
 	switch (ret) {
 	case GRO_NORMAL:
-		return netif_receive_skb(skb);
+		if (netif_receive_skb(skb))
+			ret = GRO_DROP;
+		break;
 
 	case GRO_DROP:
-		err = NET_RX_DROP;
-		/* fall through */
-
 	case GRO_MERGED_FREE:
 		kfree_skb(skb);
 		break;
@@ -2607,7 +2604,7 @@ int napi_skb_finish(gro_result_t ret, struct sk_buff *skb)
 		break;
 	}
 
-	return err;
+	return ret;
 }
 EXPORT_SYMBOL(napi_skb_finish);
 
@@ -2627,7 +2624,7 @@ void skb_gro_reset_offset(struct sk_buff *skb)
 }
 EXPORT_SYMBOL(skb_gro_reset_offset);
 
-int napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
+gro_result_t napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
 {
 	skb_gro_reset_offset(skb);
 
@@ -2657,26 +2654,21 @@ struct sk_buff *napi_get_frags(struct napi_struct *napi)
 }
 EXPORT_SYMBOL(napi_get_frags);
 
-int napi_frags_finish(struct napi_struct *napi, struct sk_buff *skb,
-		      gro_result_t ret)
+gro_result_t napi_frags_finish(struct napi_struct *napi, struct sk_buff *skb,
+			       gro_result_t ret)
 {
-	int err = NET_RX_SUCCESS;
-
 	switch (ret) {
 	case GRO_NORMAL:
 	case GRO_HELD:
 		skb->protocol = eth_type_trans(skb, napi->dev);
 
-		if (ret == GRO_NORMAL)
-			return netif_receive_skb(skb);
-
-		skb_gro_pull(skb, -ETH_HLEN);
+		if (ret == GRO_HELD)
+			skb_gro_pull(skb, -ETH_HLEN);
+		else if (netif_receive_skb(skb))
+			ret = GRO_DROP;
 		break;
 
 	case GRO_DROP:
-		err = NET_RX_DROP;
-		/* fall through */
-
 	case GRO_MERGED_FREE:
 		napi_reuse_skb(napi, skb);
 		break;
@@ -2685,7 +2677,7 @@ int napi_frags_finish(struct napi_struct *napi, struct sk_buff *skb,
 		break;
 	}
 
-	return err;
+	return ret;
 }
 EXPORT_SYMBOL(napi_frags_finish);
 
@@ -2726,12 +2718,12 @@ out:
 }
 EXPORT_SYMBOL(napi_frags_skb);
 
-int napi_gro_frags(struct napi_struct *napi)
+gro_result_t napi_gro_frags(struct napi_struct *napi)
 {
 	struct sk_buff *skb = napi_frags_skb(napi);
 
 	if (!skb)
-		return NET_RX_DROP;
+		return GRO_DROP;
 
 	return napi_frags_finish(napi, skb, __napi_gro_receive(napi, skb));
 }
-- 
GitLab


From 18e1d2beb6c2307d3cab7ecb44fd3d4382adcf6a Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Thu, 29 Oct 2009 07:21:24 +0000
Subject: [PATCH 0716/1815] sfc: Feed GRO result into RX allocation policy and
 interrupt moderation

When GRO is successfully merging received packets, we should allocate
raw page buffers rather than skbs that will be discarded by GRO.
Otherwise, we should allocate skbs.

GRO also benefits from higher interrupt moderation, so increase the
score for mergeable RX packets.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/rx.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/drivers/net/sfc/rx.c b/drivers/net/sfc/rx.c
index 4b65c626a45..9277e9aaad0 100644
--- a/drivers/net/sfc/rx.c
+++ b/drivers/net/sfc/rx.c
@@ -445,6 +445,7 @@ static void efx_rx_packet_lro(struct efx_channel *channel,
 			      bool checksummed)
 {
 	struct napi_struct *napi = &channel->napi_str;
+	gro_result_t gro_result;
 
 	/* Pass the skb/page into the LRO engine */
 	if (rx_buf->page) {
@@ -452,6 +453,7 @@ static void efx_rx_packet_lro(struct efx_channel *channel,
 
 		if (!skb) {
 			put_page(rx_buf->page);
+			gro_result = GRO_DROP;
 			goto out;
 		}
 
@@ -467,7 +469,7 @@ static void efx_rx_packet_lro(struct efx_channel *channel,
 		skb->ip_summed =
 			checksummed ? CHECKSUM_UNNECESSARY : CHECKSUM_NONE;
 
-		napi_gro_frags(napi);
+		gro_result = napi_gro_frags(napi);
 
 out:
 		EFX_BUG_ON_PARANOID(rx_buf->skb);
@@ -476,9 +478,16 @@ out:
 		EFX_BUG_ON_PARANOID(!rx_buf->skb);
 		EFX_BUG_ON_PARANOID(!checksummed);
 
-		napi_gro_receive(napi, rx_buf->skb);
+		gro_result = napi_gro_receive(napi, rx_buf->skb);
 		rx_buf->skb = NULL;
 	}
+
+	if (gro_result == GRO_NORMAL) {
+		channel->rx_alloc_level += RX_ALLOC_FACTOR_SKB;
+	} else if (gro_result != GRO_DROP) {
+		channel->rx_alloc_level += RX_ALLOC_FACTOR_LRO;
+		channel->irq_mod_score += 2;
+	}
 }
 
 void efx_rx_packet(struct efx_rx_queue *rx_queue, unsigned int index,
-- 
GitLab


From c3c6336504c59d9febc30de199dfee6a65a5d6ae Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Thu, 29 Oct 2009 07:21:33 +0000
Subject: [PATCH 0717/1815] sfc: Enable heuristic selection between page and
 skb RX buffers

Now that we can tell whether GRO is being applied, this heuristic is
effective once more.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/rx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/sfc/rx.c b/drivers/net/sfc/rx.c
index 9277e9aaad0..a60c7188fda 100644
--- a/drivers/net/sfc/rx.c
+++ b/drivers/net/sfc/rx.c
@@ -61,7 +61,7 @@
  *   rx_alloc_method = (rx_alloc_level > RX_ALLOC_LEVEL_LRO ?
  *                      RX_ALLOC_METHOD_PAGE : RX_ALLOC_METHOD_SKB)
  */
-static int rx_alloc_method = RX_ALLOC_METHOD_PAGE;
+static int rx_alloc_method = RX_ALLOC_METHOD_AUTO;
 
 #define RX_ALLOC_LEVEL_LRO 0x2000
 #define RX_ALLOC_LEVEL_MAX 0x3000
-- 
GitLab


From e30a4ac243b1fd2714675fd451e718d9940b1bdd Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Thu, 29 Oct 2009 06:37:05 +0000
Subject: [PATCH 0718/1815] sky2: add SK-9E21M device id

This is a new ID that just showed up in latest vendor driver.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sky2.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 3a449d012d4..e961a8696cf 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -102,6 +102,7 @@ MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
 static DEFINE_PCI_DEVICE_TABLE(sky2_id_table) = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9000) }, /* SK-9Sxx */
 	{ PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9E00) }, /* SK-9Exx */
+	{ PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9E01) }, /* SK-9E21M */
 	{ PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4b00) },	/* DGE-560T */
 	{ PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4001) }, 	/* DGE-550SX */
 	{ PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4B02) },	/* DGE-560SX */
-- 
GitLab


From e91cd2e65f22a80af87367178bed4957fdc45ecd Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Thu, 29 Oct 2009 06:37:06 +0000
Subject: [PATCH 0719/1815] sky2: add register definitions for new chips

This adds infrastructure for the newer chip versions and workarounds.
Extracted from the vendor (GPL) driver.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sky2.h | 178 ++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 177 insertions(+), 1 deletion(-)

diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h
index ed54129698b..e13da94d19a 100644
--- a/drivers/net/sky2.h
+++ b/drivers/net/sky2.h
@@ -16,6 +16,13 @@ enum {
 	PCI_DEV_REG5    = 0x88,
 	PCI_CFG_REG_0	= 0x90,
 	PCI_CFG_REG_1	= 0x94,
+
+	PSM_CONFIG_REG0  = 0x98,
+	PSM_CONFIG_REG1	 = 0x9C,
+	PSM_CONFIG_REG2  = 0x160,
+	PSM_CONFIG_REG3  = 0x164,
+	PSM_CONFIG_REG4  = 0x168,
+
 };
 
 /* Yukon-2 */
@@ -48,6 +55,37 @@ enum pci_dev_reg_2 {
 	PCI_USEDATA64	= 1<<0,		/* Use 64Bit Data bus ext */
 };
 
+/*	PCI_OUR_REG_3		32 bit	Our Register 3 (Yukon-ECU only) */
+enum pci_dev_reg_3 {
+	P_CLK_ASF_REGS_DIS	= 1<<18,/* Disable Clock ASF (Yukon-Ext.) */
+	P_CLK_COR_REGS_D0_DIS	= 1<<17,/* Disable Clock Core Regs D0 */
+	P_CLK_MACSEC_DIS	= 1<<17,/* Disable Clock MACSec (Yukon-Ext.) */
+	P_CLK_PCI_REGS_D0_DIS	= 1<<16,/* Disable Clock PCI  Regs D0 */
+	P_CLK_COR_YTB_ARB_DIS	= 1<<15,/* Disable Clock YTB  Arbiter */
+	P_CLK_MAC_LNK1_D3_DIS	= 1<<14,/* Disable Clock MAC  Link1 D3 */
+	P_CLK_COR_LNK1_D0_DIS	= 1<<13,/* Disable Clock Core Link1 D0 */
+	P_CLK_MAC_LNK1_D0_DIS	= 1<<12,/* Disable Clock MAC  Link1 D0 */
+	P_CLK_COR_LNK1_D3_DIS	= 1<<11,/* Disable Clock Core Link1 D3 */
+	P_CLK_PCI_MST_ARB_DIS	= 1<<10,/* Disable Clock PCI  Master Arb. */
+	P_CLK_COR_REGS_D3_DIS	= 1<<9,	/* Disable Clock Core Regs D3 */
+	P_CLK_PCI_REGS_D3_DIS	= 1<<8,	/* Disable Clock PCI  Regs D3 */
+	P_CLK_REF_LNK1_GM_DIS	= 1<<7,	/* Disable Clock Ref. Link1 GMAC */
+	P_CLK_COR_LNK1_GM_DIS	= 1<<6,	/* Disable Clock Core Link1 GMAC */
+	P_CLK_PCI_COMMON_DIS	= 1<<5,	/* Disable Clock PCI  Common */
+	P_CLK_COR_COMMON_DIS	= 1<<4,	/* Disable Clock Core Common */
+	P_CLK_PCI_LNK1_BMU_DIS	= 1<<3,	/* Disable Clock PCI  Link1 BMU */
+	P_CLK_COR_LNK1_BMU_DIS	= 1<<2,	/* Disable Clock Core Link1 BMU */
+	P_CLK_PCI_LNK1_BIU_DIS	= 1<<1,	/* Disable Clock PCI  Link1 BIU */
+	P_CLK_COR_LNK1_BIU_DIS	= 1<<0,	/* Disable Clock Core Link1 BIU */
+	PCIE_OUR3_WOL_D3_COLD_SET = P_CLK_ASF_REGS_DIS |
+				    P_CLK_COR_REGS_D0_DIS |
+				    P_CLK_COR_LNK1_D0_DIS |
+				    P_CLK_MAC_LNK1_D0_DIS |
+				    P_CLK_PCI_MST_ARB_DIS |
+				    P_CLK_COR_COMMON_DIS |
+				    P_CLK_COR_LNK1_BMU_DIS,
+};
+
 /*	PCI_OUR_REG_4		32 bit	Our Register 4 (Yukon-ECU only) */
 enum pci_dev_reg_4 {
 				/* (Link Training & Status State Machine) */
@@ -114,7 +152,7 @@ enum pci_dev_reg_5 {
 				     P_GAT_PCIE_RX_EL_IDLE,
 };
 
-#/*	PCI_CFG_REG_1			32 bit	Config Register 1 (Yukon-Ext only) */
+/*	PCI_CFG_REG_1			32 bit	Config Register 1 (Yukon-Ext only) */
 enum pci_cfg_reg1 {
 	P_CF1_DIS_REL_EVT_RST	= 1<<24, /* Dis. Rel. Event during PCIE reset */
 										/* Bit 23..21: Release Clock on Event */
@@ -145,6 +183,72 @@ enum pci_cfg_reg1 {
 					P_CF1_ENA_TXBMU_WR_IDLE,
 };
 
+/* Yukon-Optima */
+enum {
+	PSM_CONFIG_REG1_AC_PRESENT_STATUS = 1<<31,   /* AC Present Status */
+
+	PSM_CONFIG_REG1_PTP_CLK_SEL	  = 1<<29,   /* PTP Clock Select */
+	PSM_CONFIG_REG1_PTP_MODE	  = 1<<28,   /* PTP Mode */
+
+	PSM_CONFIG_REG1_MUX_PHY_LINK	  = 1<<27,   /* PHY Energy Detect Event */
+
+	PSM_CONFIG_REG1_EN_PIN63_AC_PRESENT = 1<<26,  /* Enable LED_DUPLEX for ac_present */
+	PSM_CONFIG_REG1_EN_PCIE_TIMER	  = 1<<25,    /* Enable PCIe Timer */
+	PSM_CONFIG_REG1_EN_SPU_TIMER	  = 1<<24,    /* Enable SPU Timer */
+	PSM_CONFIG_REG1_POLARITY_AC_PRESENT = 1<<23,  /* AC Present Polarity */
+
+	PSM_CONFIG_REG1_EN_AC_PRESENT	  = 1<<21,    /* Enable AC Present */
+
+	PSM_CONFIG_REG1_EN_GPHY_INT_PSM	= 1<<20,      /* Enable GPHY INT for PSM */
+	PSM_CONFIG_REG1_DIS_PSM_TIMER	= 1<<19,      /* Disable PSM Timer */
+};
+
+/* Yukon-Supreme */
+enum {
+	PSM_CONFIG_REG1_GPHY_ENERGY_STS	= 1<<31, /* GPHY Energy Detect Status */
+
+	PSM_CONFIG_REG1_UART_MODE_MSK	= 3<<29, /* UART_Mode */
+	PSM_CONFIG_REG1_CLK_RUN_ASF	= 1<<28, /* Enable Clock Free Running for ASF Subsystem */
+	PSM_CONFIG_REG1_UART_CLK_DISABLE= 1<<27, /* Disable UART clock */
+	PSM_CONFIG_REG1_VAUX_ONE	= 1<<26, /* Tie internal Vaux to 1'b1 */
+	PSM_CONFIG_REG1_UART_FC_RI_VAL	= 1<<25, /* Default value for UART_RI_n */
+	PSM_CONFIG_REG1_UART_FC_DCD_VAL	= 1<<24, /* Default value for UART_DCD_n */
+	PSM_CONFIG_REG1_UART_FC_DSR_VAL	= 1<<23, /* Default value for UART_DSR_n */
+	PSM_CONFIG_REG1_UART_FC_CTS_VAL	= 1<<22, /* Default value for UART_CTS_n */
+	PSM_CONFIG_REG1_LATCH_VAUX	= 1<<21, /* Enable Latch current Vaux_avlbl */
+	PSM_CONFIG_REG1_FORCE_TESTMODE_INPUT= 1<<20, /* Force Testmode pin as input PAD */
+	PSM_CONFIG_REG1_UART_RST	= 1<<19, /* UART_RST */
+	PSM_CONFIG_REG1_PSM_PCIE_L1_POL	= 1<<18, /* PCIE L1 Event Polarity for PSM */
+	PSM_CONFIG_REG1_TIMER_STAT	= 1<<17, /* PSM Timer Status */
+	PSM_CONFIG_REG1_GPHY_INT	= 1<<16, /* GPHY INT Status */
+	PSM_CONFIG_REG1_FORCE_TESTMODE_ZERO= 1<<15, /* Force internal Testmode as 1'b0 */
+	PSM_CONFIG_REG1_EN_INT_ASPM_CLKREQ = 1<<14, /* ENABLE INT for CLKRUN on ASPM and CLKREQ */
+	PSM_CONFIG_REG1_EN_SND_TASK_ASPM_CLKREQ	= 1<<13, /* ENABLE Snd_task for CLKRUN on ASPM and CLKREQ */
+	PSM_CONFIG_REG1_DIS_CLK_GATE_SND_TASK	= 1<<12, /* Disable CLK_GATE control snd_task */
+	PSM_CONFIG_REG1_DIS_FF_CHIAN_SND_INTA	= 1<<11, /* Disable flip-flop chain for sndmsg_inta */
+
+	PSM_CONFIG_REG1_DIS_LOADER	= 1<<9, /* Disable Loader SM after PSM Goes back to IDLE */
+	PSM_CONFIG_REG1_DO_PWDN		= 1<<8, /* Do Power Down, Start PSM Scheme */
+	PSM_CONFIG_REG1_DIS_PIG		= 1<<7, /* Disable Plug-in-Go SM after PSM Goes back to IDLE */
+	PSM_CONFIG_REG1_DIS_PERST	= 1<<6, /* Disable Internal PCIe Reset after PSM Goes back to IDLE */
+	PSM_CONFIG_REG1_EN_REG18_PD	= 1<<5, /* Enable REG18 Power Down for PSM */
+	PSM_CONFIG_REG1_EN_PSM_LOAD	= 1<<4, /* Disable EEPROM Loader after PSM Goes back to IDLE */
+	PSM_CONFIG_REG1_EN_PSM_HOT_RST	= 1<<3, /* Enable PCIe Hot Reset for PSM */
+	PSM_CONFIG_REG1_EN_PSM_PERST	= 1<<2, /* Enable PCIe Reset Event for PSM */
+	PSM_CONFIG_REG1_EN_PSM_PCIE_L1	= 1<<1, /* Enable PCIe L1 Event for PSM */
+	PSM_CONFIG_REG1_EN_PSM		= 1<<0, /* Enable PSM Scheme */
+};
+
+/*	PSM_CONFIG_REG4				0x0168	PSM Config Register 4 */
+enum {
+						/* PHY Link Detect Timer */
+	PSM_CONFIG_REG4_TIMER_PHY_LINK_DETECT_MSK = 0xf<<4,
+	PSM_CONFIG_REG4_TIMER_PHY_LINK_DETECT_BASE = 4,
+
+	PSM_CONFIG_REG4_DEBUG_TIMER	    = 1<<1, /* Debug Timer */
+	PSM_CONFIG_REG4_RST_PHY_LINK_DETECT = 1<<0, /* Reset GPHY Link Detect */
+};
+
 
 #define PCI_STATUS_ERROR_BITS (PCI_STATUS_DETECTED_PARITY | \
 			       PCI_STATUS_SIG_SYSTEM_ERROR | \
@@ -197,6 +301,9 @@ enum csr_regs {
 	B2_I2C_IRQ	= 0x0168,
 	B2_I2C_SW	= 0x016c,
 
+	Y2_PEX_PHY_DATA = 0x0170,
+	Y2_PEX_PHY_ADDR = 0x0172,
+
 	B3_RAM_ADDR	= 0x0180,
 	B3_RAM_DATA_LO	= 0x0184,
 	B3_RAM_DATA_HI	= 0x0188,
@@ -317,6 +424,10 @@ enum {
 	Y2_IS_CHK_TXS2	= 1<<9,		/* Descriptor error TXS 2 */
 	Y2_IS_CHK_TXA2	= 1<<8,		/* Descriptor error TXA 2 */
 
+	Y2_IS_PSM_ACK	= 1<<7,		/* PSM Acknowledge (Yukon-Optima only) */
+	Y2_IS_PTP_TIST	= 1<<6,		/* PTP Time Stamp (Yukon-Optima only) */
+	Y2_IS_PHY_QLNK	= 1<<5,		/* PHY Quick Link (Yukon-Optima only) */
+
 	Y2_IS_IRQ_PHY1	= 1<<4,		/* Interrupt from PHY 1 */
 	Y2_IS_IRQ_MAC1	= 1<<3,		/* Interrupt from MAC 1 */
 	Y2_IS_CHK_RX1	= 1<<2,		/* Descriptor error Rx 1 */
@@ -435,6 +546,7 @@ enum {
  	CHIP_ID_YUKON_FE_P = 0xb8, /* YUKON-2 FE+ */
 	CHIP_ID_YUKON_SUPR = 0xb9, /* YUKON-2 Supreme */
 	CHIP_ID_YUKON_UL_2 = 0xba, /* YUKON-2 Ultra 2 */
+	CHIP_ID_YUKON_OPT  = 0xbc, /* YUKON-2 Optima */
 };
 enum yukon_ec_rev {
 	CHIP_REV_YU_EC_A1    = 0,  /* Chip Rev. for Yukon-EC A1/A0 */
@@ -459,6 +571,8 @@ enum yukon_ex_rev {
 };
 enum yukon_supr_rev {
 	CHIP_REV_YU_SU_A0    = 0,
+	CHIP_REV_YU_SU_B0    = 1,
+	CHIP_REV_YU_SU_B1    = 3,
 };
 
 
@@ -513,6 +627,12 @@ enum {
 	TIM_T_STEP	= 1<<0,	/* Test step */
 };
 
+/*	Y2_PEX_PHY_ADDR/DATA		PEX PHY address and data reg  (Yukon-2 only) */
+enum {
+	PEX_RD_ACCESS	= 1<<31, /* Access Mode Read = 1, Write = 0 */
+	PEX_DB_ACCESS	= 1<<30, /* Access to debug register */
+};
+
 /*	B3_RAM_ADDR		32 bit	RAM Address, to read or write */
 					/* Bit 31..19:	reserved */
 #define RAM_ADR_RAN	0x0007ffffL	/* Bit 18.. 0:	RAM Address Range */
@@ -754,6 +874,42 @@ enum {
 	BMU_TX_CLR_IRQ_TCP	= 1<<11, /* Clear IRQ on TCP segment length mismatch */
 };
 
+/*	TBMU_TEST			0x06B8	Transmit BMU Test Register */
+enum {
+	TBMU_TEST_BMU_TX_CHK_AUTO_OFF		= 1<<31, /* BMU Tx Checksum Auto Calculation Disable */
+	TBMU_TEST_BMU_TX_CHK_AUTO_ON		= 1<<30, /* BMU Tx Checksum Auto Calculation Enable */
+	TBMU_TEST_HOME_ADD_PAD_FIX1_EN		= 1<<29, /* Home Address Paddiing FIX1 Enable */
+	TBMU_TEST_HOME_ADD_PAD_FIX1_DIS		= 1<<28, /* Home Address Paddiing FIX1 Disable */
+	TBMU_TEST_ROUTING_ADD_FIX_EN		= 1<<27, /* Routing Address Fix Enable */
+	TBMU_TEST_ROUTING_ADD_FIX_DIS		= 1<<26, /* Routing Address Fix Disable */
+	TBMU_TEST_HOME_ADD_FIX_EN		= 1<<25, /* Home address checksum fix enable */
+	TBMU_TEST_HOME_ADD_FIX_DIS		= 1<<24, /* Home address checksum fix disable */
+
+	TBMU_TEST_TEST_RSPTR_ON			= 1<<22, /* Testmode Shadow Read Ptr On */
+	TBMU_TEST_TEST_RSPTR_OFF		= 1<<21, /* Testmode Shadow Read Ptr Off */
+	TBMU_TEST_TESTSTEP_RSPTR		= 1<<20, /* Teststep Shadow Read Ptr */
+
+	TBMU_TEST_TEST_RPTR_ON			= 1<<18, /* Testmode Read Ptr On */
+	TBMU_TEST_TEST_RPTR_OFF			= 1<<17, /* Testmode Read Ptr Off */
+	TBMU_TEST_TESTSTEP_RPTR			= 1<<16, /* Teststep Read Ptr */
+
+	TBMU_TEST_TEST_WSPTR_ON			= 1<<14, /* Testmode Shadow Write Ptr On */
+	TBMU_TEST_TEST_WSPTR_OFF		= 1<<13, /* Testmode Shadow Write Ptr Off */
+	TBMU_TEST_TESTSTEP_WSPTR		= 1<<12, /* Teststep Shadow Write Ptr */
+
+	TBMU_TEST_TEST_WPTR_ON			= 1<<10, /* Testmode Write Ptr On */
+	TBMU_TEST_TEST_WPTR_OFF			= 1<<9, /* Testmode Write Ptr Off */
+	TBMU_TEST_TESTSTEP_WPTR			= 1<<8,			/* Teststep Write Ptr */
+
+	TBMU_TEST_TEST_REQ_NB_ON		= 1<<6, /* Testmode Req Nbytes/Addr On */
+	TBMU_TEST_TEST_REQ_NB_OFF		= 1<<5, /* Testmode Req Nbytes/Addr Off */
+	TBMU_TEST_TESTSTEP_REQ_NB		= 1<<4, /* Teststep Req Nbytes/Addr */
+
+	TBMU_TEST_TEST_DONE_IDX_ON		= 1<<2, /* Testmode Done Index On */
+	TBMU_TEST_TEST_DONE_IDX_OFF		= 1<<1, /* Testmode Done Index Off */
+	TBMU_TEST_TESTSTEP_DONE_IDX		= 1<<0,	/* Teststep Done Index */
+};
+
 /* Queue Prefetch Unit Offsets, use Y2_QADDR() to address (Yukon-2 only)*/
 /* PREF_UNIT_CTRL	32 bit	Prefetch Control register */
 enum {
@@ -1674,6 +1830,12 @@ enum {
 
 /*	RX_GMF_CTRL_T	32 bit	Rx GMAC FIFO Control/Test */
 enum {
+	RX_GCLKMAC_ENA	= 1<<31,	/* RX MAC Clock Gating Enable */
+	RX_GCLKMAC_OFF	= 1<<30,
+
+	RX_STFW_DIS	= 1<<29,	/* RX Store and Forward Enable */
+	RX_STFW_ENA	= 1<<28,
+
 	RX_TRUNC_ON	= 1<<27,  	/* enable  packet truncation */
 	RX_TRUNC_OFF	= 1<<26, 	/* disable packet truncation */
 	RX_VLAN_STRIP_ON = 1<<25,	/* enable  VLAN stripping */
@@ -1711,6 +1873,20 @@ enum {
 	GMF_RX_CTRL_DEF	= GMF_OPER_ON | GMF_RX_F_FL_ON,
 };
 
+/*	RX_GMF_FL_CTRL	16 bit	Rx GMAC FIFO Flush Control (Yukon-Supreme) */
+enum {
+	RX_IPV6_SA_MOB_ENA	= 1<<9,	/* IPv6 SA Mobility Support Enable */
+	RX_IPV6_SA_MOB_DIS	= 1<<8,	/* IPv6 SA Mobility Support Disable */
+	RX_IPV6_DA_MOB_ENA	= 1<<7,	/* IPv6 DA Mobility Support Enable */
+	RX_IPV6_DA_MOB_DIS	= 1<<6,	/* IPv6 DA Mobility Support Disable */
+	RX_PTR_SYNCDLY_ENA	= 1<<5,	/* Pointers Delay Synch Enable */
+	RX_PTR_SYNCDLY_DIS	= 1<<4,	/* Pointers Delay Synch Disable */
+	RX_ASF_NEWFLAG_ENA	= 1<<3,	/* RX ASF Flag New Logic Enable */
+	RX_ASF_NEWFLAG_DIS	= 1<<2,	/* RX ASF Flag New Logic Disable */
+	RX_FLSH_MISSPKT_ENA	= 1<<1,	/* RX Flush Miss-Packet Enable */
+	RX_FLSH_MISSPKT_DIS	= 1<<0,	/* RX Flush Miss-Packet Disable */
+};
+
 /*	TX_GMF_EA		32 bit	Tx GMAC FIFO End Address */
 enum {
 	TX_DYN_WM_ENA	= 3,	/* Yukon-FE+ specific */
-- 
GitLab


From d6b54d241c558483302616ac1d997806795513e4 Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Thu, 29 Oct 2009 06:37:07 +0000
Subject: [PATCH 0720/1815] sky2: fix receive pause thresholds

Program the receive pause thresholds differently depending on
chip version. This cloned from from the vendor (GPL) driver.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sky2.c | 10 ++++++++--
 drivers/net/sky2.h |  7 ++++---
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index e961a8696cf..70524f2658d 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -926,8 +926,14 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port)
 
 	/* On chips without ram buffer, pause is controled by MAC level */
 	if (!(hw->flags & SKY2_HW_RAM_BUFFER)) {
-		sky2_write8(hw, SK_REG(port, RX_GMF_LP_THR), 768/8);
-		sky2_write8(hw, SK_REG(port, RX_GMF_UP_THR), 1024/8);
+		/* Pause threshold is scaled by 8 in bytes */
+		if (hw->chip_id == CHIP_ID_YUKON_FE_P
+			&& hw->chip_rev == CHIP_REV_YU_FE2_A0)
+			reg = 1568 / 8;
+		else
+			reg = 1024 / 8;
+		sky2_write16(hw, SK_REG(port, RX_GMF_UP_THR), reg);
+		sky2_write16(hw, SK_REG(port, RX_GMF_LP_THR), 768 / 8);
 
 		sky2_set_tx_stfwd(hw, port);
 	}
diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h
index e13da94d19a..365d79c7d83 100644
--- a/drivers/net/sky2.h
+++ b/drivers/net/sky2.h
@@ -808,10 +808,11 @@ enum {
 	RX_GMF_AF_THR	= 0x0c44,/* 32 bit	Rx GMAC FIFO Almost Full Thresh. */
 	RX_GMF_CTRL_T	= 0x0c48,/* 32 bit	Rx GMAC FIFO Control/Test */
 	RX_GMF_FL_MSK	= 0x0c4c,/* 32 bit	Rx GMAC FIFO Flush Mask */
-	RX_GMF_FL_THR	= 0x0c50,/* 32 bit	Rx GMAC FIFO Flush Threshold */
+	RX_GMF_FL_THR	= 0x0c50,/* 16 bit	Rx GMAC FIFO Flush Threshold */
+	RX_GMF_FL_CTRL	= 0x0c52,/* 16 bit	Rx GMAC FIFO Flush Control */
 	RX_GMF_TR_THR	= 0x0c54,/* 32 bit	Rx Truncation Threshold (Yukon-2) */
-	RX_GMF_UP_THR	= 0x0c58,/*  8 bit	Rx Upper Pause Thr (Yukon-EC_U) */
-	RX_GMF_LP_THR	= 0x0c5a,/*  8 bit	Rx Lower Pause Thr (Yukon-EC_U) */
+	RX_GMF_UP_THR	= 0x0c58,/* 16 bit	Rx Upper Pause Thr (Yukon-EC_U) */
+	RX_GMF_LP_THR	= 0x0c5a,/* 16 bit	Rx Lower Pause Thr (Yukon-EC_U) */
 	RX_GMF_VLAN	= 0x0c5c,/* 32 bit	Rx VLAN Type Register (Yukon-2) */
 	RX_GMF_WP	= 0x0c60,/* 32 bit	Rx GMAC FIFO Write Pointer */
 
-- 
GitLab


From 877c8570fb00ad0529b07f8193cc098ac0193d03 Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Thu, 29 Oct 2009 06:37:08 +0000
Subject: [PATCH 0721/1815] sky2: workarounds for Yukon-2 supreme

Changes related to support of Yukon supreme chip.
Don't have this chip version to test on,
these are reverse engineered from the vendor (GPL) driver.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sky2.c | 34 ++++++++++++++++++++++++++++++++--
 1 file changed, 32 insertions(+), 2 deletions(-)

diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 70524f2658d..3387a2f80da 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -787,8 +787,7 @@ static void sky2_set_tx_stfwd(struct sky2_hw *hw, unsigned port)
 
 	if ( (hw->chip_id == CHIP_ID_YUKON_EX &&
 	      hw->chip_rev != CHIP_REV_YU_EX_A0) ||
-	     hw->chip_id == CHIP_ID_YUKON_FE_P ||
-	     hw->chip_id == CHIP_ID_YUKON_SUPR) {
+	     hw->chip_id >= CHIP_ID_YUKON_FE_P) {
 		/* Yukon-Extreme B0 and further Extreme devices */
 		/* enable Store & Forward mode for TX */
 
@@ -1404,6 +1403,31 @@ static int sky2_rx_start(struct sky2_port *sky2)
 
 	/* Tell chip about available buffers */
 	sky2_rx_update(sky2, rxq);
+
+	if (hw->chip_id == CHIP_ID_YUKON_EX ||
+	    hw->chip_id == CHIP_ID_YUKON_SUPR) {
+		/*
+		 * Disable flushing of non ASF packets;
+		 * must be done after initializing the BMUs;
+		 * drivers without ASF support should do this too, otherwise
+		 * it may happen that they cannot run on ASF devices;
+		 * remember that the MAC FIFO isn't reset during initialization.
+		 */
+		sky2_write32(hw, SK_REG(sky2->port, RX_GMF_CTRL_T), RX_MACSEC_FLUSH_OFF);
+	}
+
+	if (hw->chip_id >= CHIP_ID_YUKON_SUPR) {
+		/* Enable RX Home Address & Routing Header checksum fix */
+		sky2_write16(hw, SK_REG(sky2->port, RX_GMF_FL_CTRL),
+			     RX_IPV6_SA_MOB_ENA | RX_IPV6_DA_MOB_ENA);
+
+		/* Enable TX Home Address & Routing Header checksum fix */
+		sky2_write32(hw, Q_ADDR(txqaddr[sky2->port], Q_TEST),
+			     TBMU_TEST_HOME_ADD_FIX_EN | TBMU_TEST_ROUTING_ADD_FIX_EN);
+	}
+
+
+
 	return 0;
 nomem:
 	sky2_rx_clean(sky2);
@@ -2992,6 +3016,12 @@ static void sky2_reset(struct sky2_hw *hw)
 			sky2_write16(hw, SK_REG(i, GMAC_CTRL),
 				     GMC_BYP_MACSECRX_ON | GMC_BYP_MACSECTX_ON
 				     | GMC_BYP_RETR_ON);
+
+	}
+
+	if (hw->chip_id == CHIP_ID_YUKON_SUPR && hw->chip_rev > CHIP_REV_YU_SU_B0) {
+		/* enable MACSec clock gating */
+		sky2_pci_write32(hw, PCI_DEV_REG3, P_CLK_MACSEC_DIS);
 	}
 
 	/* Clear I2C IRQ noise */
-- 
GitLab


From 0f5aac7070a01ec757ed243febe4fff7c944c4d2 Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Thu, 29 Oct 2009 06:37:09 +0000
Subject: [PATCH 0722/1815] sky2: 88E8059 support

Tentative support for newer Marvell hardware including
the Yukon-2 Optima chip. Do not have hatdware to test this yet,
code is based on vendor driver.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sky2.c | 79 +++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 78 insertions(+), 1 deletion(-)

diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 3387a2f80da..53cce74d323 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -140,6 +140,7 @@ static DEFINE_PCI_DEVICE_TABLE(sky2_id_table) = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x436D) }, /* 88E8055 */
 	{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4370) }, /* 88E8075 */
 	{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4380) }, /* 88E8057 */
+	{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4381) }, /* 88E8059 */
 	{ 0 }
 };
 
@@ -603,6 +604,16 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
 		/* apply workaround for integrated resistors calibration */
 		gm_phy_write(hw, port, PHY_MARV_PAGE_ADDR, 17);
 		gm_phy_write(hw, port, PHY_MARV_PAGE_DATA, 0x3f60);
+	} else if (hw->chip_id == CHIP_ID_YUKON_OPT && hw->chip_rev == 0) {
+		/* apply fixes in PHY AFE */
+		gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 0x00ff);
+
+		/* apply RDAC termination workaround */
+		gm_phy_write(hw, port, 24, 0x2800);
+		gm_phy_write(hw, port, 23, 0x2001);
+
+		/* set page register back to 0 */
+		gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 0);
 	} else if (hw->chip_id != CHIP_ID_YUKON_EX &&
 		   hw->chip_id < CHIP_ID_YUKON_SUPR) {
 		/* no effect on Yukon-XL */
@@ -2127,6 +2138,25 @@ out:
 	spin_unlock(&sky2->phy_lock);
 }
 
+/* Special quick link interrupt (Yukon-2 Optima only) */
+static void sky2_qlink_intr(struct sky2_hw *hw)
+{
+	struct sky2_port *sky2 = netdev_priv(hw->dev[0]);
+	u32 imask;
+	u16 phy;
+
+	/* disable irq */
+	imask = sky2_read32(hw, B0_IMSK);
+	imask &= ~Y2_IS_PHY_QLNK;
+	sky2_write32(hw, B0_IMSK, imask);
+
+	/* reset PHY Link Detect */
+	phy = sky2_pci_read16(hw, PSM_CONFIG_REG4);
+	sky2_pci_write16(hw, PSM_CONFIG_REG4, phy | 1);
+
+	sky2_link_up(sky2);
+}
+
 /* Transmit timeout is only called if we are running, carrier is up
  * and tx queue is full (stopped).
  */
@@ -2796,6 +2826,9 @@ static int sky2_poll(struct napi_struct *napi, int work_limit)
 	if (status & Y2_IS_IRQ_PHY2)
 		sky2_phy_intr(hw, 1);
 
+	if (status & Y2_IS_PHY_QLNK)
+		sky2_qlink_intr(hw);
+
 	while ((idx = sky2_read16(hw, STAT_PUT_IDX)) != hw->st_idx) {
 		work_done += sky2_status_intr(hw, work_limit - work_done, idx);
 
@@ -2845,6 +2878,7 @@ static u32 sky2_mhz(const struct sky2_hw *hw)
 	case CHIP_ID_YUKON_EX:
 	case CHIP_ID_YUKON_SUPR:
 	case CHIP_ID_YUKON_UL_2:
+	case CHIP_ID_YUKON_OPT:
 		return 125;
 
 	case CHIP_ID_YUKON_FE:
@@ -2934,6 +2968,7 @@ static int __devinit sky2_init(struct sky2_hw *hw)
 		break;
 
 	case CHIP_ID_YUKON_UL_2:
+	case CHIP_ID_YUKON_OPT:
 		hw->flags = SKY2_HW_GIGABIT
 			| SKY2_HW_ADV_POWER_CTL;
 		break;
@@ -3024,6 +3059,46 @@ static void sky2_reset(struct sky2_hw *hw)
 		sky2_pci_write32(hw, PCI_DEV_REG3, P_CLK_MACSEC_DIS);
 	}
 
+	if (hw->chip_id == CHIP_ID_YUKON_OPT) {
+		u16 reg;
+		u32 msk;
+
+		if (hw->chip_rev == 0) {
+			/* disable PCI-E PHY power down (set PHY reg 0x80, bit 7 */
+			sky2_write32(hw, Y2_PEX_PHY_DATA, (0x80UL << 16) | (1 << 7));
+
+			/* set PHY Link Detect Timer to 1.1 second (11x 100ms) */
+			reg = 10;
+		} else {
+			/* set PHY Link Detect Timer to 0.4 second (4x 100ms) */
+			reg = 3;
+		}
+
+		reg <<= PSM_CONFIG_REG4_TIMER_PHY_LINK_DETECT_BASE;
+
+		/* reset PHY Link Detect */
+		sky2_pci_write16(hw, PSM_CONFIG_REG4,
+				 reg | PSM_CONFIG_REG4_RST_PHY_LINK_DETECT);
+		sky2_pci_write16(hw, PSM_CONFIG_REG4, reg);
+
+
+		/* enable PHY Quick Link */
+		msk = sky2_read32(hw, B0_IMSK);
+		msk |= Y2_IS_PHY_QLNK;
+		sky2_write32(hw, B0_IMSK, msk);
+
+		/* check if PSMv2 was running before */
+		reg = sky2_pci_read16(hw, PSM_CONFIG_REG3);
+		if (reg & PCI_EXP_LNKCTL_ASPMC) {
+			int cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
+			/* restore the PCIe Link Control register */
+			sky2_pci_write16(hw, cap + PCI_EXP_LNKCTL, reg);
+		}
+
+		/* re-enable PEX PM in PEX PHY debug reg. 8 (clear bit 12) */
+		sky2_write32(hw, Y2_PEX_PHY_DATA, PEX_DB_ACCESS | (0x08UL << 16));
+	}
+
 	/* Clear I2C IRQ noise */
 	sky2_write32(hw, B2_I2C_IRQ, 1);
 
@@ -4442,9 +4517,11 @@ static const char *sky2_name(u8 chipid, char *buf, int sz)
 		"FE+",		/* 0xb8 */
 		"Supreme",	/* 0xb9 */
 		"UL 2",		/* 0xba */
+		"Unknown",	/* 0xbb */
+		"Optima",	/* 0xbc */
 	};
 
-	if (chipid >= CHIP_ID_YUKON_XL && chipid < CHIP_ID_YUKON_UL_2)
+	if (chipid >= CHIP_ID_YUKON_XL && chipid < CHIP_ID_YUKON_OPT)
 		strncpy(buf, name[chipid - CHIP_ID_YUKON_XL], sz);
 	else
 		snprintf(buf, sz, "(chip %#x)", chipid);
-- 
GitLab


From ac958154e9e1548933fe97e4ecbceb30e01e4a6f Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Thu, 29 Oct 2009 06:37:10 +0000
Subject: [PATCH 0723/1815] sky2: version 1.26

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sky2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 53cce74d323..1729ebf5de9 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -50,7 +50,7 @@
 #include "sky2.h"
 
 #define DRV_NAME		"sky2"
-#define DRV_VERSION		"1.25"
+#define DRV_VERSION		"1.26"
 #define PFX			DRV_NAME " "
 
 /*
-- 
GitLab


From 43ab85021e8286e1641928ab3cc542dd1e8c7f94 Mon Sep 17 00:00:00 2001
From: roel kluin <roel.kluin@gmail.com>
Date: Wed, 14 Oct 2009 05:26:30 +0000
Subject: [PATCH 0724/1815] ax25: unsigned cannot be less than 0 in
 ax25_ctl_ioctl()

struct ax25_ctl_struct member `arg' is unsigned and cannot be less
than 0.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ax25/af_ax25.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index f05306f168f..f1e998b2796 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -369,6 +369,9 @@ static int ax25_ctl_ioctl(const unsigned int cmd, void __user *arg)
 	if (ax25_ctl.digi_count > AX25_MAX_DIGIS)
 		return -EINVAL;
 
+	if (ax25_ctl.arg > ULONG_MAX / HZ && ax25_ctl.cmd != AX25_KILL)
+		return -EINVAL;
+
 	digi.ndigi = ax25_ctl.digi_count;
 	for (k = 0; k < digi.ndigi; k++)
 		digi.calls[k] = ax25_ctl.digi_addr[k];
@@ -418,14 +421,10 @@ static int ax25_ctl_ioctl(const unsigned int cmd, void __user *arg)
 		break;
 
 	case AX25_T3:
-		if (ax25_ctl.arg < 0)
-			goto einval_put;
 		ax25->t3 = ax25_ctl.arg * HZ;
 		break;
 
 	case AX25_IDLE:
-		if (ax25_ctl.arg < 0)
-			goto einval_put;
 		ax25->idle = ax25_ctl.arg * 60 * HZ;
 		break;
 
-- 
GitLab


From f0816ce39d8de7646301aac52cc7351a2424d97f Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oliver@neukum.org>
Date: Thu, 29 Oct 2009 05:07:12 +0000
Subject: [PATCH 0725/1815] convert kaweth to use usb_reset_configuration()

For USB 3.0 it is necessary that all drivers use the standard
API to reset a configuration. This removes a home-grown
implementation.

Signed-off-by: Oliver Neukum <oliver@neukum.org>

Hi David,

please take this for the next merge window.

	Regards
		Oliver
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/usb/kaweth.c | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/drivers/net/usb/kaweth.c b/drivers/net/usb/kaweth.c
index e391ef969c2..3b80e8d2d62 100644
--- a/drivers/net/usb/kaweth.c
+++ b/drivers/net/usb/kaweth.c
@@ -471,16 +471,7 @@ static int kaweth_reset(struct kaweth_device *kaweth)
 	int result;
 
 	dbg("kaweth_reset(%p)", kaweth);
-	result = kaweth_control(kaweth,
-				usb_sndctrlpipe(kaweth->dev, 0),
-				USB_REQ_SET_CONFIGURATION,
-				0,
-				kaweth->dev->config[0].desc.bConfigurationValue,
-				0,
-				NULL,
-				0,
-				KAWETH_CONTROL_TIMEOUT);
-
+	result = usb_reset_configuration(kaweth->dev);
 	mdelay(10);
 
 	dbg("kaweth_reset() returns %d.",result);
-- 
GitLab


From 29906f6a427d2004a515ebbcdc7b28bae8f6c19c Mon Sep 17 00:00:00 2001
From: Patrick McHardy <kaber@trash.net>
Date: Thu, 29 Oct 2009 23:43:00 -0700
Subject: [PATCH 0726/1815] vlan: cleanup multiple unregistrations

The temporary copy of the VLAN group is not neccessary since the lower device
is already in the process of being unregistered, if it was neccessary the
memset of the global group would introduce a race condition.

With this removed, the changes to the original code are only a few lines, so
remove the new function and move the code back into vlan_device_event().

Signed-off-by: Patrick McHardy <kaber@trash.net>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/8021q/vlan.c | 52 +++++++++++++++++++-----------------------------
 1 file changed, 20 insertions(+), 32 deletions(-)

diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 511afe72af3..39f8d012010 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -161,10 +161,10 @@ void unregister_vlan_dev(struct net_device *dev, struct list_head *head)
 
 	grp->nr_vlans--;
 
-	if (!grp->killall) {
-		vlan_group_set_device(grp, vlan_id, NULL);
+	vlan_group_set_device(grp, vlan_id, NULL);
+	if (!grp->killall)
 		synchronize_net();
-	}
+
 	unregister_netdevice_queue(dev, head);
 
 	/* If the group is now empty, kill off the group. */
@@ -184,34 +184,6 @@ void unregister_vlan_dev(struct net_device *dev, struct list_head *head)
 	dev_put(real_dev);
 }
 
-void unregister_vlan_dev_alls(struct vlan_group *grp)
-{
-	LIST_HEAD(list);
-	int i;
-	struct net_device *vlandev;
-	struct vlan_group save;
-
-	memcpy(&save, grp, sizeof(save));
-	memset(&grp->vlan_devices_arrays, 0, sizeof(grp->vlan_devices_arrays));
-	grp->killall = 1;
-
-	synchronize_net();
-
-	/* Delete all VLANs for this dev. */
-	for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
-		vlandev = vlan_group_get_device(&save, i);
-		if (!vlandev)
-			continue;
-
-		unregister_vlan_dev(vlandev, &list);
-		if (grp->nr_vlans == 0)
-			break;
-	}
-	unregister_netdevice_many(&list);
-	for (i = 0; i < VLAN_GROUP_ARRAY_SPLIT_PARTS; i++)
-		kfree(save.vlan_devices_arrays[i]);
-}
-
 static void vlan_transfer_operstate(const struct net_device *dev,
 				    struct net_device *vlandev)
 {
@@ -456,6 +428,7 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
 	struct vlan_group *grp;
 	int i, flgs;
 	struct net_device *vlandev;
+	LIST_HEAD(list);
 
 	if (is_vlan_dev(dev))
 		__vlan_device_event(dev, event);
@@ -553,7 +526,22 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
 		break;
 
 	case NETDEV_UNREGISTER:
-		unregister_vlan_dev_alls(grp);
+		/* Delete all VLANs for this dev. */
+		grp->killall = 1;
+
+		for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
+			vlandev = vlan_group_get_device(grp, i);
+			if (!vlandev)
+				continue;
+
+			/* unregistration of last vlan destroys group, abort
+			 * afterwards */
+			if (grp->nr_vlans == 1)
+				i = VLAN_GROUP_ARRAY_LEN;
+
+			unregister_vlan_dev(vlandev, &list);
+		}
+		unregister_netdevice_many(&list);
 		break;
 	}
 
-- 
GitLab


From 24540535d33f72505807be3e7ef2e94f3726f971 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 30 Oct 2009 01:00:27 -0700
Subject: [PATCH 0727/1815] veth: Fix veth_dellink method

In commit 23289a37e2b127dfc4de1313fba15bb4c9f0cd5b
(net: add a list_head parameter to dellink() method),
I forgot to actually use this parameter in veth_dellink.

I remember feeling a bit uncomfortable about veth_close(),
because it does :

netif_carrier_off(dev);
netif_carrier_off(priv->peer);

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/veth.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index ffb502daa91..9bed694cd21 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -450,8 +450,8 @@ static void veth_dellink(struct net_device *dev, struct list_head *head)
 	priv = netdev_priv(dev);
 	peer = priv->peer;
 
-	unregister_netdevice(dev);
-	unregister_netdevice(peer);
+	unregister_netdevice_queue(dev, head);
+	unregister_netdevice_queue(peer, head);
 }
 
 static const struct nla_policy veth_policy[VETH_INFO_MAX + 1];
-- 
GitLab


From 0bd8d53656da72bc065766b5f2a05ca738020b8a Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 30 Oct 2009 01:40:11 -0700
Subject: [PATCH 0728/1815] net: use hlist_for_each_entry()

Small cleanup of __dev_get_by_name() and __dev_get_by_index()
to use hlist_for_each_entry() : They'll look like their _rcu variant.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/dev.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/net/core/dev.c b/net/core/dev.c
index 631cc40da19..94f42a15fff 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -587,13 +587,13 @@ __setup("netdev=", netdev_boot_setup);
 struct net_device *__dev_get_by_name(struct net *net, const char *name)
 {
 	struct hlist_node *p;
+	struct net_device *dev;
+	struct hlist_head *head = dev_name_hash(net, name);
 
-	hlist_for_each(p, dev_name_hash(net, name)) {
-		struct net_device *dev
-			= hlist_entry(p, struct net_device, name_hlist);
+	hlist_for_each_entry(dev, p, head, name_hlist)
 		if (!strncmp(dev->name, name, IFNAMSIZ))
 			return dev;
-	}
+
 	return NULL;
 }
 EXPORT_SYMBOL(__dev_get_by_name);
@@ -638,13 +638,13 @@ EXPORT_SYMBOL(dev_get_by_name);
 struct net_device *__dev_get_by_index(struct net *net, int ifindex)
 {
 	struct hlist_node *p;
+	struct net_device *dev;
+	struct hlist_head *head = dev_index_hash(net, ifindex);
 
-	hlist_for_each(p, dev_index_hash(net, ifindex)) {
-		struct net_device *dev
-			= hlist_entry(p, struct net_device, index_hlist);
+	hlist_for_each_entry(dev, p, head, index_hlist)
 		if (dev->ifindex == ifindex)
 			return dev;
-	}
+
 	return NULL;
 }
 EXPORT_SYMBOL(__dev_get_by_index);
-- 
GitLab


From 0c509a6c9393b27a8c5a01acd4a72616206cfc24 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@aristanetworks.com>
Date: Thu, 29 Oct 2009 14:18:21 +0000
Subject: [PATCH 0729/1815] net: Allow devices to specify a device specific
 sysfs group.

This isn't beautifully abstracted, but it is simple,
simplifies uses and so far is only needed for the bonding driver.

Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/netdevice.h | 4 ++--
 net/core/net-sysfs.c      | 5 ++++-
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 193b637889f..e5ece8dceaa 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -900,8 +900,8 @@ struct net_device
 
 	/* class/net/name entry */
 	struct device		dev;
-	/* space for optional statistics and wireless sysfs groups */
-	const struct attribute_group *sysfs_groups[3];
+	/* space for optional device, statistics, and wireless sysfs groups */
+	const struct attribute_group *sysfs_groups[4];
 
 	/* rtnetlink link ops */
 	const struct rtnl_link_ops *rtnl_link_ops;
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 89de182353b..157645c0da7 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -544,8 +544,11 @@ int netdev_register_kobject(struct net_device *net)
 	dev_set_name(dev, "%s", net->name);
 
 #ifdef CONFIG_SYSFS
-	*groups++ = &netstat_group;
+	/* Allow for a device specific group */
+	if (*groups)
+		groups++;
 
+	*groups++ = &netstat_group;
 #ifdef CONFIG_WIRELESS_EXT_SYSFS
 	if (net->ieee80211_ptr)
 		*groups++ = &wireless_group;
-- 
GitLab


From 6151b3d435feeeae7487032fcd5c8c7f281ba05c Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@aristanetworks.com>
Date: Thu, 29 Oct 2009 14:18:22 +0000
Subject: [PATCH 0730/1815] bond: Simply bond sysfs group creation

This patch delegates the work of creating the sysfs groups
to the netdev layer and ultimately to the device layer.  This
closes races between uevents.

Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bonding/bond_main.c  | 11 +----------
 drivers/net/bonding/bond_sysfs.c | 20 ++------------------
 drivers/net/bonding/bonding.h    |  3 +--
 3 files changed, 4 insertions(+), 30 deletions(-)

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index db82876ceb2..a58a60859da 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -2011,7 +2011,6 @@ static void bond_uninit(struct net_device *bond_dev)
 	struct bonding *bond = netdev_priv(bond_dev);
 
 	bond_deinit(bond_dev);
-	bond_destroy_sysfs_entry(bond);
 
 	if (bond->wq)
 		destroy_workqueue(bond->wq);
@@ -3457,9 +3456,6 @@ static int bond_event_changename(struct bonding *bond)
 	bond_remove_proc_entry(bond);
 	bond_create_proc_entry(bond);
 
-	bond_destroy_sysfs_entry(bond);
-	bond_create_sysfs_entry(bond);
-
 	return NOTIFY_DONE;
 }
 
@@ -5078,6 +5074,7 @@ static int bond_init(struct net_device *bond_dev)
 	bond_create_proc_entry(bond);
 	list_add_tail(&bond->bond_list, &bond_dev_list);
 
+	bond_prepare_sysfs_group(bond);
 	return 0;
 }
 
@@ -5120,15 +5117,9 @@ int bond_create(const char *name)
 	if (res < 0)
 		goto out_bond;
 
-	res = bond_create_sysfs_entry(netdev_priv(bond_dev));
-	if (res < 0)
-		goto out_unreg;
-
 	rtnl_unlock();
 	return 0;
 
-out_unreg:
-	unregister_netdevice(bond_dev);
 out_bond:
 	bond_deinit(bond_dev);
 out_netdev:
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index dca7d82f7b9..f924a0bcf8d 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -1616,24 +1616,8 @@ void bond_destroy_sysfs(void)
  * Initialize sysfs for each bond.  This sets up and registers
  * the 'bondctl' directory for each individual bond under /sys/class/net.
  */
-int bond_create_sysfs_entry(struct bonding *bond)
+void bond_prepare_sysfs_group(struct bonding *bond)
 {
-	struct net_device *dev = bond->dev;
-	int err;
-
-	err = sysfs_create_group(&(dev->dev.kobj), &bonding_group);
-	if (err)
-		pr_emerg("eek! didn't create group!\n");
-
-	return err;
-}
-/*
- * Remove sysfs entries for each bond.
- */
-void bond_destroy_sysfs_entry(struct bonding *bond)
-{
-	struct net_device *dev = bond->dev;
-
-	sysfs_remove_group(&(dev->dev.kobj), &bonding_group);
+	bond->dev->sysfs_groups[0] = &bonding_group;
 }
 
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index 9b520b05fba..013be296f0d 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -331,8 +331,7 @@ int bond_create(const char *name);
 int  bond_release_and_destroy(struct net_device *bond_dev, struct net_device *slave_dev);
 int bond_create_sysfs(void);
 void bond_destroy_sysfs(void);
-void bond_destroy_sysfs_entry(struct bonding *bond);
-int bond_create_sysfs_entry(struct bonding *bond);
+void bond_prepare_sysfs_group(struct bonding *bond);
 int bond_create_slave_symlinks(struct net_device *master, struct net_device *slave);
 void bond_destroy_slave_symlinks(struct net_device *master, struct net_device *slave);
 int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev);
-- 
GitLab


From 30c15ba9936a17d743f90eb3e2f6fa82acddc5f3 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@aristanetworks.com>
Date: Thu, 29 Oct 2009 14:18:23 +0000
Subject: [PATCH 0731/1815] bond: Simplify bond_create.

Stop calling dev_get_by_name to see if the bond device already
exists.  register_netdevice already does that.

Stop calling bond_deinit if register_netdevice fails as bond_uninit
is guaranteed to be called if bond_init succeeds.

Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bonding/bond_main.c | 22 ++++------------------
 1 file changed, 4 insertions(+), 18 deletions(-)

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index a58a60859da..17c9580068b 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -5089,14 +5089,6 @@ int bond_create(const char *name)
 	int res;
 
 	rtnl_lock();
-	/* Check to see if the bond already exists. */
-	/* FIXME: pass netns from caller */
-	if (name && __dev_get_by_name(&init_net, name)) {
-		pr_err(DRV_NAME ": cannot add bond %s; already exists\n",
-		       name);
-		res = -EEXIST;
-		goto out_rtnl;
-	}
 
 	bond_dev = alloc_netdev(sizeof(struct bonding), name ? name : "",
 				bond_setup);
@@ -5104,7 +5096,7 @@ int bond_create(const char *name)
 		pr_err(DRV_NAME ": %s: eek! can't alloc netdev!\n",
 		       name);
 		res = -ENOMEM;
-		goto out_rtnl;
+		goto out;
 	}
 
 	if (!name) {
@@ -5114,19 +5106,13 @@ int bond_create(const char *name)
 	}
 
 	res = register_netdevice(bond_dev);
-	if (res < 0)
-		goto out_bond;
 
+out:
 	rtnl_unlock();
-	return 0;
-
-out_bond:
-	bond_deinit(bond_dev);
+	return res;
 out_netdev:
 	free_netdev(bond_dev);
-out_rtnl:
-	rtnl_unlock();
-	return res;
+	goto out;
 }
 
 static int __init bonding_init(void)
-- 
GitLab


From c67dfb299e05a132154b9bfaae4a83de478ffaa9 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@aristanetworks.com>
Date: Thu, 29 Oct 2009 14:18:24 +0000
Subject: [PATCH 0732/1815] bond: Simplify bond device destruction

Manually inline the code from bond_deinit to bond_uninit.  bond_uninit
is the only caller and it is short.

Move the call of bond_release_all from the netdev notifier into
bond_uninit.  The call site is effectively the same and performing
the call explicitly allows all the paths for destroying a
bonding device to behave the same way.

Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bonding/bond_main.c | 45 ++++++++++++---------------------
 1 file changed, 16 insertions(+), 29 deletions(-)

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 17c9580068b..db9640b43d0 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -227,7 +227,7 @@ struct bond_parm_tbl ad_select_tbl[] = {
 
 static void bond_send_gratuitous_arp(struct bonding *bond);
 static int bond_init(struct net_device *bond_dev);
-static void bond_deinit(struct net_device *bond_dev);
+static void bond_uninit(struct net_device *bond_dev);
 
 /*---------------------------- General routines -----------------------------*/
 
@@ -2002,24 +2002,6 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev)
 	return 0;  /* deletion OK */
 }
 
-/*
-* Destroy a bonding device.
-* Must be under rtnl_lock when this function is called.
-*/
-static void bond_uninit(struct net_device *bond_dev)
-{
-	struct bonding *bond = netdev_priv(bond_dev);
-
-	bond_deinit(bond_dev);
-
-	if (bond->wq)
-		destroy_workqueue(bond->wq);
-
-	netif_addr_lock_bh(bond_dev);
-	bond_mc_list_destroy(bond);
-	netif_addr_unlock_bh(bond_dev);
-}
-
 /*
 * First release a slave and than destroy the bond if no more slaves are left.
 * Must be under rtnl_lock when this function is called.
@@ -3467,9 +3449,6 @@ static int bond_master_netdev_event(unsigned long event,
 	switch (event) {
 	case NETDEV_CHANGENAME:
 		return bond_event_changename(event_bond);
-	case NETDEV_UNREGISTER:
-		bond_release_all(event_bond->dev);
-		break;
 	default:
 		break;
 	}
@@ -4608,18 +4587,29 @@ static void bond_work_cancel_all(struct bonding *bond)
 		cancel_delayed_work(&bond->ad_work);
 }
 
-/* De-initialize device specific data.
- * Caller must hold rtnl_lock.
- */
-static void bond_deinit(struct net_device *bond_dev)
+/*
+* Destroy a bonding device.
+* Must be under rtnl_lock when this function is called.
+*/
+static void bond_uninit(struct net_device *bond_dev)
 {
 	struct bonding *bond = netdev_priv(bond_dev);
 
+	/* Release the bonded slaves */
+	bond_release_all(bond_dev);
+
 	list_del(&bond->bond_list);
 
 	bond_work_cancel_all(bond);
 
 	bond_remove_proc_entry(bond);
+
+	if (bond->wq)
+		destroy_workqueue(bond->wq);
+
+	netif_addr_lock_bh(bond_dev);
+	bond_mc_list_destroy(bond);
+	netif_addr_unlock_bh(bond_dev);
 }
 
 /* Unregister and free all bond devices.
@@ -4632,9 +4622,6 @@ static void bond_free_all(void)
 	list_for_each_entry_safe(bond, nxt, &bond_dev_list, bond_list) {
 		struct net_device *bond_dev = bond->dev;
 
-		bond_work_cancel_all(bond);
-		/* Release the bonded slaves */
-		bond_release_all(bond_dev);
 		unregister_netdevice(bond_dev);
 	}
 
-- 
GitLab


From 88ead977109da926a03068e277869ea8fedd170d Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@aristanetworks.com>
Date: Thu, 29 Oct 2009 14:18:25 +0000
Subject: [PATCH 0733/1815] bond: Implement a basic set of rtnl link ops

This implements a basic set of rtnl link ops and takes advantage of
the fact that rtnl_link_unregister kills all of the surviving
devices to all us to kill bond_free_all.  A module alias
is added so ip link add can pull in the bonding module.

Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bonding/bond_main.c | 55 ++++++++++++++++++---------------
 1 file changed, 30 insertions(+), 25 deletions(-)

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index db9640b43d0..405971374fe 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -4612,22 +4612,6 @@ static void bond_uninit(struct net_device *bond_dev)
 	netif_addr_unlock_bh(bond_dev);
 }
 
-/* Unregister and free all bond devices.
- * Caller must hold rtnl_lock.
- */
-static void bond_free_all(void)
-{
-	struct bonding *bond, *nxt;
-
-	list_for_each_entry_safe(bond, nxt, &bond_dev_list, bond_list) {
-		struct net_device *bond_dev = bond->dev;
-
-		unregister_netdevice(bond_dev);
-	}
-
-	bond_destroy_proc_dir();
-}
-
 /*------------------------- Module initialization ---------------------------*/
 
 /*
@@ -5065,6 +5049,23 @@ static int bond_init(struct net_device *bond_dev)
 	return 0;
 }
 
+static int bond_validate(struct nlattr *tb[], struct nlattr *data[])
+{
+	if (tb[IFLA_ADDRESS]) {
+		if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN)
+			return -EINVAL;
+		if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS])))
+			return -EADDRNOTAVAIL;
+	}
+	return 0;
+}
+
+static struct rtnl_link_ops bond_link_ops __read_mostly = {
+	.kind		= "bond",
+	.setup		= bond_setup,
+	.validate	= bond_validate,
+};
+
 /* Create a new bond based on the specified name and bonding parameters.
  * If name is NULL, obtain a suitable "bond%d" name for us.
  * Caller must NOT hold rtnl_lock; we need to release it here before we
@@ -5086,6 +5087,8 @@ int bond_create(const char *name)
 		goto out;
 	}
 
+	bond_dev->rtnl_link_ops = &bond_link_ops;
+
 	if (!name) {
 		res = dev_alloc_name(bond_dev, "bond%d");
 		if (res < 0)
@@ -5115,6 +5118,10 @@ static int __init bonding_init(void)
 
 	bond_create_proc_dir();
 
+	res = rtnl_link_register(&bond_link_ops);
+	if (res)
+		goto err;
+
 	for (i = 0; i < max_bonds; i++) {
 		res = bond_create(NULL);
 		if (res)
@@ -5128,14 +5135,12 @@ static int __init bonding_init(void)
 	register_netdevice_notifier(&bond_netdev_notifier);
 	register_inetaddr_notifier(&bond_inetaddr_notifier);
 	bond_register_ipv6_notifier();
-
-	goto out;
-err:
-	rtnl_lock();
-	bond_free_all();
-	rtnl_unlock();
 out:
 	return res;
+err:
+	rtnl_link_unregister(&bond_link_ops);
+	bond_destroy_proc_dir();
+	goto out;
 
 }
 
@@ -5147,9 +5152,8 @@ static void __exit bonding_exit(void)
 
 	bond_destroy_sysfs();
 
-	rtnl_lock();
-	bond_free_all();
-	rtnl_unlock();
+	rtnl_link_unregister(&bond_link_ops);
+	bond_destroy_proc_dir();
 }
 
 module_init(bonding_init);
@@ -5158,3 +5162,4 @@ MODULE_LICENSE("GPL");
 MODULE_VERSION(DRV_VERSION);
 MODULE_DESCRIPTION(DRV_DESCRIPTION ", v" DRV_VERSION);
 MODULE_AUTHOR("Thomas Davis, tadavis@lbl.gov and many others");
+MODULE_ALIAS_RTNL_LINK("bond");
-- 
GitLab


From ec87fd3b4e111e8bc367d247a963e27e5b86df26 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@aristanetworks.com>
Date: Thu, 29 Oct 2009 14:18:26 +0000
Subject: [PATCH 0734/1815] bond: Add support for multiple network namespaces

Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bonding/bond_3ad.c   |   3 -
 drivers/net/bonding/bond_alb.c   |   3 -
 drivers/net/bonding/bond_ipv6.c  |   7 +-
 drivers/net/bonding/bond_main.c  | 111 ++++++++++++++++++++-----------
 drivers/net/bonding/bond_sysfs.c |  19 ++++--
 drivers/net/bonding/bonding.h    |  14 ++--
 6 files changed, 99 insertions(+), 58 deletions(-)

diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index 3cd8153b906..1d058192328 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -2445,9 +2445,6 @@ int bond_3ad_lacpdu_recv(struct sk_buff *skb, struct net_device *dev, struct pac
 	struct slave *slave = NULL;
 	int ret = NET_RX_DROP;
 
-	if (dev_net(dev) != &init_net)
-		goto out;
-
 	if (!(dev->flags & IFF_MASTER))
 		goto out;
 
diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c
index 9b5936f072d..0d30d1e5e53 100644
--- a/drivers/net/bonding/bond_alb.c
+++ b/drivers/net/bonding/bond_alb.c
@@ -355,9 +355,6 @@ static int rlb_arp_recv(struct sk_buff *skb, struct net_device *bond_dev, struct
 	struct arp_pkt *arp = (struct arp_pkt *)skb->data;
 	int res = NET_RX_DROP;
 
-	if (dev_net(bond_dev) != &init_net)
-		goto out;
-
 	while (bond_dev->priv_flags & IFF_802_1Q_VLAN)
 		bond_dev = vlan_dev_real_dev(bond_dev);
 
diff --git a/drivers/net/bonding/bond_ipv6.c b/drivers/net/bonding/bond_ipv6.c
index 83921abae12..b72e1dc8cf8 100644
--- a/drivers/net/bonding/bond_ipv6.c
+++ b/drivers/net/bonding/bond_ipv6.c
@@ -25,6 +25,7 @@
 #include <net/ipv6.h>
 #include <net/ndisc.h>
 #include <net/addrconf.h>
+#include <net/netns/generic.h>
 #include "bonding.h"
 
 /*
@@ -152,11 +153,9 @@ static int bond_inet6addr_event(struct notifier_block *this,
 	struct net_device *vlan_dev, *event_dev = ifa->idev->dev;
 	struct bonding *bond;
 	struct vlan_entry *vlan;
+	struct bond_net *bn = net_generic(dev_net(event_dev), bond_net_id);
 
-	if (dev_net(event_dev) != &init_net)
-		return NOTIFY_DONE;
-
-	list_for_each_entry(bond, &bond_dev_list, bond_list) {
+	list_for_each_entry(bond, &bn->dev_list, bond_list) {
 		if (bond->dev == event_dev) {
 			switch (event) {
 			case NETDEV_UP:
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 405971374fe..208d2c4ef06 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -75,6 +75,7 @@
 #include <linux/jiffies.h>
 #include <net/route.h>
 #include <net/net_namespace.h>
+#include <net/netns/generic.h>
 #include "bonding.h"
 #include "bond_3ad.h"
 #include "bond_alb.h"
@@ -157,11 +158,7 @@ MODULE_PARM_DESC(fail_over_mac, "For active-backup, do not set all slaves to the
 static const char * const version =
 	DRV_DESCRIPTION ": v" DRV_VERSION " (" DRV_RELDATE ")\n";
 
-LIST_HEAD(bond_dev_list);
-
-#ifdef CONFIG_PROC_FS
-static struct proc_dir_entry *bond_proc_dir;
-#endif
+int bond_net_id;
 
 static __be32 arp_target[BOND_MAX_ARP_TARGETS];
 static int arp_ip_count;
@@ -2586,7 +2583,7 @@ static void bond_arp_send_all(struct bonding *bond, struct slave *slave)
 		fl.fl4_dst = targets[i];
 		fl.fl4_tos = RTO_ONLINK;
 
-		rv = ip_route_output_key(&init_net, &rt, &fl);
+		rv = ip_route_output_key(dev_net(bond->dev), &rt, &fl);
 		if (rv) {
 			if (net_ratelimit()) {
 				pr_warning(DRV_NAME
@@ -2694,9 +2691,6 @@ static int bond_arp_rcv(struct sk_buff *skb, struct net_device *dev, struct pack
 	unsigned char *arp_ptr;
 	__be32 sip, tip;
 
-	if (dev_net(dev) != &init_net)
-		goto out;
-
 	if (!(dev->priv_flags & IFF_BONDING) || !(dev->flags & IFF_MASTER))
 		goto out;
 
@@ -3359,10 +3353,11 @@ static const struct file_operations bond_info_fops = {
 static void bond_create_proc_entry(struct bonding *bond)
 {
 	struct net_device *bond_dev = bond->dev;
+	struct bond_net *bn = net_generic(dev_net(bond_dev), bond_net_id);
 
-	if (bond_proc_dir) {
+	if (bn->proc_dir) {
 		bond->proc_entry = proc_create_data(bond_dev->name,
-						    S_IRUGO, bond_proc_dir,
+						    S_IRUGO, bn->proc_dir,
 						    &bond_info_fops, bond);
 		if (bond->proc_entry == NULL)
 			pr_warning(DRV_NAME
@@ -3375,8 +3370,11 @@ static void bond_create_proc_entry(struct bonding *bond)
 
 static void bond_remove_proc_entry(struct bonding *bond)
 {
-	if (bond_proc_dir && bond->proc_entry) {
-		remove_proc_entry(bond->proc_file_name, bond_proc_dir);
+	struct net_device *bond_dev = bond->dev;
+	struct bond_net *bn = net_generic(dev_net(bond_dev), bond_net_id);
+
+	if (bn->proc_dir && bond->proc_entry) {
+		remove_proc_entry(bond->proc_file_name, bn->proc_dir);
 		memset(bond->proc_file_name, 0, IFNAMSIZ);
 		bond->proc_entry = NULL;
 	}
@@ -3385,11 +3383,11 @@ static void bond_remove_proc_entry(struct bonding *bond)
 /* Create the bonding directory under /proc/net, if doesn't exist yet.
  * Caller must hold rtnl_lock.
  */
-static void bond_create_proc_dir(void)
+static void bond_create_proc_dir(struct bond_net *bn)
 {
-	if (!bond_proc_dir) {
-		bond_proc_dir = proc_mkdir(DRV_NAME, init_net.proc_net);
-		if (!bond_proc_dir)
+	if (!bn->proc_dir) {
+		bn->proc_dir = proc_mkdir(DRV_NAME, bn->net->proc_net);
+		if (!bn->proc_dir)
 			pr_warning(DRV_NAME
 				": Warning: cannot create /proc/net/%s\n",
 				DRV_NAME);
@@ -3399,11 +3397,11 @@ static void bond_create_proc_dir(void)
 /* Destroy the bonding directory under /proc/net, if empty.
  * Caller must hold rtnl_lock.
  */
-static void bond_destroy_proc_dir(void)
+static void bond_destroy_proc_dir(struct bond_net *bn)
 {
-	if (bond_proc_dir) {
-		remove_proc_entry(DRV_NAME, init_net.proc_net);
-		bond_proc_dir = NULL;
+	if (bn->proc_dir) {
+		remove_proc_entry(DRV_NAME, bn->net->proc_net);
+		bn->proc_dir = NULL;
 	}
 }
 
@@ -3417,11 +3415,11 @@ static void bond_remove_proc_entry(struct bonding *bond)
 {
 }
 
-static void bond_create_proc_dir(void)
+static void bond_create_proc_dir(struct bond_net *bn)
 {
 }
 
-static void bond_destroy_proc_dir(void)
+static void bond_destroy_proc_dir(struct bond_net *bn)
 {
 }
 
@@ -3540,9 +3538,6 @@ static int bond_netdev_event(struct notifier_block *this,
 {
 	struct net_device *event_dev = (struct net_device *)ptr;
 
-	if (dev_net(event_dev) != &init_net)
-		return NOTIFY_DONE;
-
 	pr_debug("event_dev: %s, event: %lx\n",
 		(event_dev ? event_dev->name : "None"),
 		event);
@@ -3575,13 +3570,11 @@ static int bond_inetaddr_event(struct notifier_block *this, unsigned long event,
 {
 	struct in_ifaddr *ifa = ptr;
 	struct net_device *vlan_dev, *event_dev = ifa->ifa_dev->dev;
+	struct bond_net *bn = net_generic(dev_net(event_dev), bond_net_id);
 	struct bonding *bond;
 	struct vlan_entry *vlan;
 
-	if (dev_net(ifa->ifa_dev->dev) != &init_net)
-		return NOTIFY_DONE;
-
-	list_for_each_entry(bond, &bond_dev_list, bond_list) {
+	list_for_each_entry(bond, &bn->dev_list, bond_list) {
 		if (bond->dev == event_dev) {
 			switch (event) {
 			case NETDEV_UP:
@@ -3950,7 +3943,7 @@ static int bond_do_ioctl(struct net_device *bond_dev, struct ifreq *ifr, int cmd
 	if (!capable(CAP_NET_ADMIN))
 		return -EPERM;
 
-	slave_dev = dev_get_by_name(&init_net, ifr->ifr_slave);
+	slave_dev = dev_get_by_name(dev_net(bond_dev), ifr->ifr_slave);
 
 	pr_debug("slave_dev=%p: \n", slave_dev);
 
@@ -5031,6 +5024,7 @@ static void bond_set_lockdep_class(struct net_device *dev)
 static int bond_init(struct net_device *bond_dev)
 {
 	struct bonding *bond = netdev_priv(bond_dev);
+	struct bond_net *bn = net_generic(dev_net(bond_dev), bond_net_id);
 
 	pr_debug("Begin bond_init for %s\n", bond_dev->name);
 
@@ -5043,7 +5037,7 @@ static int bond_init(struct net_device *bond_dev)
 	netif_carrier_off(bond_dev);
 
 	bond_create_proc_entry(bond);
-	list_add_tail(&bond->bond_list, &bond_dev_list);
+	list_add_tail(&bond->bond_list, &bn->dev_list);
 
 	bond_prepare_sysfs_group(bond);
 	return 0;
@@ -5071,7 +5065,7 @@ static struct rtnl_link_ops bond_link_ops __read_mostly = {
  * Caller must NOT hold rtnl_lock; we need to release it here before we
  * set up our sysfs entries.
  */
-int bond_create(const char *name)
+int bond_create(struct net *net, const char *name)
 {
 	struct net_device *bond_dev;
 	int res;
@@ -5087,6 +5081,7 @@ int bond_create(const char *name)
 		goto out;
 	}
 
+	dev_net_set(bond_dev, net);
 	bond_dev->rtnl_link_ops = &bond_link_ops;
 
 	if (!name) {
@@ -5105,6 +5100,46 @@ out_netdev:
 	goto out;
 }
 
+static int bond_net_init(struct net *net)
+{
+	struct bond_net *bn;
+	int err;
+
+	err = -ENOMEM;
+	bn = kzalloc(sizeof(struct bond_net), GFP_KERNEL);
+	if (bn == NULL)
+		goto out;
+
+	bn->net = net;
+	INIT_LIST_HEAD(&bn->dev_list);
+
+	err = net_assign_generic(net, bond_net_id, bn);
+	if (err)
+		goto out_free;
+
+	bond_create_proc_dir(bn);
+out:
+	return err;
+out_free:
+	kfree(bn);
+	goto out;
+}
+
+static void bond_net_exit(struct net *net)
+{
+	struct bond_net *bn;
+
+	bn = net_generic(net, bond_net_id);
+
+	bond_destroy_proc_dir(bn);
+	kfree(bn);
+}
+
+static struct pernet_operations bond_net_ops = {
+	.init = bond_net_init,
+	.exit = bond_net_exit,
+};
+
 static int __init bonding_init(void)
 {
 	int i;
@@ -5116,14 +5151,16 @@ static int __init bonding_init(void)
 	if (res)
 		goto out;
 
-	bond_create_proc_dir();
+	res = register_pernet_gen_subsys(&bond_net_id, &bond_net_ops);
+	if (res)
+		goto out;
 
 	res = rtnl_link_register(&bond_link_ops);
 	if (res)
 		goto err;
 
 	for (i = 0; i < max_bonds; i++) {
-		res = bond_create(NULL);
+		res = bond_create(&init_net, NULL);
 		if (res)
 			goto err;
 	}
@@ -5139,7 +5176,7 @@ out:
 	return res;
 err:
 	rtnl_link_unregister(&bond_link_ops);
-	bond_destroy_proc_dir();
+	unregister_pernet_gen_subsys(bond_net_id, &bond_net_ops);
 	goto out;
 
 }
@@ -5153,7 +5190,7 @@ static void __exit bonding_exit(void)
 	bond_destroy_sysfs();
 
 	rtnl_link_unregister(&bond_link_ops);
-	bond_destroy_proc_dir();
+	unregister_pernet_gen_subsys(bond_net_id, &bond_net_ops);
 }
 
 module_init(bonding_init);
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index f924a0bcf8d..a59094f8bb6 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -35,6 +35,8 @@
 #include <linux/rtnetlink.h>
 #include <linux/etherdevice.h>
 #include <net/net_namespace.h>
+#include <net/netns/generic.h>
+#include <linux/nsproxy.h>
 
 #include "bonding.h"
 
@@ -47,12 +49,14 @@
  */
 static ssize_t bonding_show_bonds(struct class *cls, char *buf)
 {
+	struct net *net = current->nsproxy->net_ns;
+	struct bond_net *bn = net_generic(net, bond_net_id);
 	int res = 0;
 	struct bonding *bond;
 
 	rtnl_lock();
 
-	list_for_each_entry(bond, &bond_dev_list, bond_list) {
+	list_for_each_entry(bond, &bn->dev_list, bond_list) {
 		if (res > (PAGE_SIZE - IFNAMSIZ)) {
 			/* not enough space for another interface name */
 			if ((PAGE_SIZE - res) > 10)
@@ -69,11 +73,12 @@ static ssize_t bonding_show_bonds(struct class *cls, char *buf)
 	return res;
 }
 
-static struct net_device *bond_get_by_name(const char *ifname)
+static struct net_device *bond_get_by_name(struct net *net, const char *ifname)
 {
+	struct bond_net *bn = net_generic(net, bond_net_id);
 	struct bonding *bond;
 
-	list_for_each_entry(bond, &bond_dev_list, bond_list) {
+	list_for_each_entry(bond, &bn->dev_list, bond_list) {
 		if (strncmp(bond->dev->name, ifname, IFNAMSIZ) == 0)
 			return bond->dev;
 	}
@@ -91,6 +96,7 @@ static struct net_device *bond_get_by_name(const char *ifname)
 static ssize_t bonding_store_bonds(struct class *cls,
 				   const char *buffer, size_t count)
 {
+	struct net *net = current->nsproxy->net_ns;
 	char command[IFNAMSIZ + 1] = {0, };
 	char *ifname;
 	int rv, res = count;
@@ -104,7 +110,7 @@ static ssize_t bonding_store_bonds(struct class *cls,
 	if (command[0] == '+') {
 		pr_info(DRV_NAME
 			": %s is being created...\n", ifname);
-		rv = bond_create(ifname);
+		rv = bond_create(net, ifname);
 		if (rv) {
 			pr_info(DRV_NAME ": Bond creation failed.\n");
 			res = rv;
@@ -113,7 +119,7 @@ static ssize_t bonding_store_bonds(struct class *cls,
 		struct net_device *bond_dev;
 
 		rtnl_lock();
-		bond_dev = bond_get_by_name(ifname);
+		bond_dev = bond_get_by_name(net, ifname);
 		if (bond_dev) {
 			pr_info(DRV_NAME ": %s is being deleted...\n",
 				ifname);
@@ -238,8 +244,7 @@ static ssize_t bonding_store_slaves(struct device *d,
 		/* Got a slave name in ifname.  Is it already in the list? */
 		found = 0;
 
-		/* FIXME: get netns from sysfs object */
-		dev = __dev_get_by_name(&init_net, ifname);
+		dev = __dev_get_by_name(dev_net(bond->dev), ifname);
 		if (!dev) {
 			pr_info(DRV_NAME
 			       ": %s: Interface %s does not exist!\n",
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index 013be296f0d..a51ae7dc8d5 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -30,8 +30,6 @@
 
 #define BOND_MAX_ARP_TARGETS	16
 
-extern struct list_head bond_dev_list;
-
 #define IS_UP(dev)					   \
 	      ((((dev)->flags & IFF_UP) == IFF_UP)	&& \
 	       netif_running(dev)			&& \
@@ -327,7 +325,7 @@ static inline void bond_unset_master_alb_flags(struct bonding *bond)
 
 struct vlan_entry *bond_next_vlan(struct bonding *bond, struct vlan_entry *curr);
 int bond_dev_queue_xmit(struct bonding *bond, struct sk_buff *skb, struct net_device *slave_dev);
-int bond_create(const char *name);
+int bond_create(struct net *net, const char *name);
 int  bond_release_and_destroy(struct net_device *bond_dev, struct net_device *slave_dev);
 int bond_create_sysfs(void);
 void bond_destroy_sysfs(void);
@@ -346,8 +344,16 @@ void bond_change_active_slave(struct bonding *bond, struct slave *new_active);
 void bond_register_arp(struct bonding *);
 void bond_unregister_arp(struct bonding *);
 
+struct bond_net {
+	struct net *		net;	/* Associated network namespace */
+	struct list_head	dev_list;
+#ifdef CONFIG_PROC_FS
+	struct proc_dir_entry *	proc_dir;
+#endif
+};
+
 /* exported from bond_main.c */
-extern struct list_head bond_dev_list;
+extern int bond_net_id;
 extern const struct bond_parm_tbl bond_lacp_tbl[];
 extern const struct bond_parm_tbl bond_mode_tbl[];
 extern const struct bond_parm_tbl xmit_hashtype_tbl[];
-- 
GitLab


From 6639104bd826e0b1388c69a6b7564fffc636c8a8 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Thu, 29 Oct 2009 23:58:54 +0000
Subject: [PATCH 0735/1815] bond: Get the rtnl_link_ops support correct

- Don't call rtnl_link_unregister if rtnl_link_register fails
- Set .priv_size so we aren't stomping on uninitialized memory
  when we use netdev_priv, on bond devices created with
  ip link add type bond.

Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bonding/bond_main.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 208d2c4ef06..ecea6c29413 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -5056,6 +5056,7 @@ static int bond_validate(struct nlattr *tb[], struct nlattr *data[])
 
 static struct rtnl_link_ops bond_link_ops __read_mostly = {
 	.kind		= "bond",
+	.priv_size	= sizeof(struct bonding),
 	.setup		= bond_setup,
 	.validate	= bond_validate,
 };
@@ -5157,7 +5158,7 @@ static int __init bonding_init(void)
 
 	res = rtnl_link_register(&bond_link_ops);
 	if (res)
-		goto err;
+		goto err_link;
 
 	for (i = 0; i < max_bonds; i++) {
 		res = bond_create(&init_net, NULL);
@@ -5176,6 +5177,7 @@ out:
 	return res;
 err:
 	rtnl_link_unregister(&bond_link_ops);
+err_link:
 	unregister_pernet_gen_subsys(bond_net_id, &bond_net_ops);
 	goto out;
 
-- 
GitLab


From 2c0d6100da3ee9b0f0cc46add9bb8a8161299a92 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=A1bor=20Stefanik?= <netrolller.3d@gmail.com>
Date: Sun, 25 Oct 2009 16:26:36 +0100
Subject: [PATCH 0736/1815] b43: LP-PHY: Begin implementing calibration &
 software RFKILL support
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This implements the following calibration functions:
-Set TX IQCC
-Set TX Power by Index
-PR41573 workaround (incomplete, needs PHY reset)
-Calc RX IQ Comp
-PHY Cordic
-Run Samples
-Start/Stop TX Tone
-part of PAPD Cal TX Power
-RX I/Q Calibration
-The basic structure of the periodic calibration wrapper

Software RFKILL (required by calibration) is also implemented in
this round.

Signed-off-by: Gábor Stefanik <netrolller.3d@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/b43/phy_lp.c | 783 +++++++++++++++++++++++++-----
 drivers/net/wireless/b43/phy_lp.h |  11 +-
 2 files changed, 658 insertions(+), 136 deletions(-)

diff --git a/drivers/net/wireless/b43/phy_lp.c b/drivers/net/wireless/b43/phy_lp.c
index c6987b147af..3e046ec1ff8 100644
--- a/drivers/net/wireless/b43/phy_lp.c
+++ b/drivers/net/wireless/b43/phy_lp.c
@@ -67,6 +67,7 @@ static void b43_lpphy_op_prepare_structs(struct b43_wldev *dev)
 	struct b43_phy_lp *lpphy = phy->lp;
 
 	memset(lpphy, 0, sizeof(*lpphy));
+	lpphy->antenna = B43_ANTENNA_DEFAULT;
 
 	//TODO
 }
@@ -379,8 +380,6 @@ static void lpphy_save_dig_flt_state(struct b43_wldev *dev)
 	}
 }
 
-/* lpphy_restore_dig_flt_state is unused but kept as a reference */
-#if 0
 static void lpphy_restore_dig_flt_state(struct b43_wldev *dev)
 {
 	static const u16 addr[] = {
@@ -401,7 +400,6 @@ static void lpphy_restore_dig_flt_state(struct b43_wldev *dev)
 	for (i = 0; i < ARRAY_SIZE(addr); i++)
 		b43_phy_write(dev, addr[i], lpphy->dig_flt_state[i]);
 }
-#endif
 
 static void lpphy_baseband_rev2plus_init(struct b43_wldev *dev)
 {
@@ -754,11 +752,17 @@ static void lpphy_clear_deaf(struct b43_wldev *dev, bool user)
 	}
 }
 
+static void lpphy_set_trsw_over(struct b43_wldev *dev, bool tx, bool rx)
+{
+	u16 trsw = (tx << 1) | rx;
+	b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xFFFC, trsw);
+	b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x3);
+}
+
 static void lpphy_disable_crs(struct b43_wldev *dev, bool user)
 {
 	lpphy_set_deaf(dev, user);
-	b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xFFFC, 0x1);
-	b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x3);
+	lpphy_set_trsw_over(dev, false, true);
 	b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xFFFB);
 	b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x4);
 	b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xFFF7);
@@ -793,6 +797,60 @@ static void lpphy_restore_crs(struct b43_wldev *dev, bool user)
 
 struct lpphy_tx_gains { u16 gm, pga, pad, dac; };
 
+static void lpphy_disable_rx_gain_override(struct b43_wldev *dev)
+{
+	b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFFE);
+	b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFEF);
+	b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFBF);
+	if (dev->phy.rev >= 2) {
+		b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFEFF);
+		if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
+			b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFBFF);
+			b43_phy_mask(dev, B43_PHY_OFDM(0xE5), 0xFFF7);
+		}
+	} else {
+		b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFDFF);
+	}
+}
+
+static void lpphy_enable_rx_gain_override(struct b43_wldev *dev)
+{
+	b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x1);
+	b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x10);
+	b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x40);
+	if (dev->phy.rev >= 2) {
+		b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x100);
+		if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
+			b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x400);
+			b43_phy_set(dev, B43_PHY_OFDM(0xE5), 0x8);
+		}
+	} else {
+		b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x200);
+	}
+}
+
+static void lpphy_disable_tx_gain_override(struct b43_wldev *dev)
+{
+	if (dev->phy.rev < 2)
+		b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFEFF);
+	else {
+		b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFF7F);
+		b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xBFFF);
+	}
+	b43_phy_mask(dev, B43_LPPHY_AFE_CTL_OVR, 0xFFBF);
+}
+
+static void lpphy_enable_tx_gain_override(struct b43_wldev *dev)
+{
+	if (dev->phy.rev < 2)
+		b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x100);
+	else {
+		b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x80);
+		b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x4000);
+	}
+	b43_phy_set(dev, B43_LPPHY_AFE_CTL_OVR, 0x40);
+}
+
 static struct lpphy_tx_gains lpphy_get_tx_gains(struct b43_wldev *dev)
 {
 	struct lpphy_tx_gains gains;
@@ -822,6 +880,17 @@ static void lpphy_set_dac_gain(struct b43_wldev *dev, u16 dac)
 	b43_phy_maskset(dev, B43_LPPHY_AFE_DAC_CTL, 0xF000, ctl);
 }
 
+static u16 lpphy_get_pa_gain(struct b43_wldev *dev)
+{
+	return b43_phy_read(dev, B43_PHY_OFDM(0xFB)) & 0x7F;
+}
+
+static void lpphy_set_pa_gain(struct b43_wldev *dev, u16 gain)
+{
+	b43_phy_maskset(dev, B43_PHY_OFDM(0xFB), 0xE03F, gain << 6);
+	b43_phy_maskset(dev, B43_PHY_OFDM(0xFD), 0x80FF, gain << 8);
+}
+
 static void lpphy_set_tx_gains(struct b43_wldev *dev,
 			       struct lpphy_tx_gains gains)
 {
@@ -832,25 +901,22 @@ static void lpphy_set_tx_gains(struct b43_wldev *dev,
 		b43_phy_maskset(dev, B43_LPPHY_TX_GAIN_CTL_OVERRIDE_VAL,
 				0xF800, rf_gain);
 	} else {
-		pa_gain = b43_phy_read(dev, B43_PHY_OFDM(0xFB)) & 0x1FC0;
-		pa_gain <<= 2;
+		pa_gain = lpphy_get_pa_gain(dev);
 		b43_phy_write(dev, B43_LPPHY_TX_GAIN_CTL_OVERRIDE_VAL,
 			      (gains.pga << 8) | gains.gm);
+		/*
+		 * SPEC FIXME The spec calls for (pa_gain << 8) here, but that
+		 * conflicts with the spec for set_pa_gain! Vendor driver bug?
+		 */
 		b43_phy_maskset(dev, B43_PHY_OFDM(0xFB),
-				0x8000, gains.pad | pa_gain);
+				0x8000, gains.pad | (pa_gain << 6));
 		b43_phy_write(dev, B43_PHY_OFDM(0xFC),
 			      (gains.pga << 8) | gains.gm);
 		b43_phy_maskset(dev, B43_PHY_OFDM(0xFD),
-				0x8000, gains.pad | pa_gain);
+				0x8000, gains.pad | (pa_gain << 8));
 	}
 	lpphy_set_dac_gain(dev, gains.dac);
-	if (dev->phy.rev < 2) {
-		b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFEFF, 1 << 8);
-	} else {
-		b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFF7F, 1 << 7);
-		b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_2, 0xBFFF, 1 << 14);
-	}
-	b43_phy_maskset(dev, B43_LPPHY_AFE_CTL_OVR, 0xFFBF, 1 << 6);
+	lpphy_enable_tx_gain_override(dev);
 }
 
 static void lpphy_rev0_1_set_rx_gain(struct b43_wldev *dev, u32 gain)
@@ -890,41 +956,6 @@ static void lpphy_rev2plus_set_rx_gain(struct b43_wldev *dev, u32 gain)
 	}
 }
 
-/* lpphy_disable_rx_gain_override is unused but kept as a reference */
-#if 0
-static void lpphy_disable_rx_gain_override(struct b43_wldev *dev)
-{
-	b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFFE);
-	b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFEF);
-	b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFBF);
-	if (dev->phy.rev >= 2) {
-		b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFEFF);
-		if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
-			b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFBFF);
-			b43_phy_mask(dev, B43_PHY_OFDM(0xE5), 0xFFF7);
-		}
-	} else {
-		b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFDFF);
-	}
-}
-#endif
-
-static void lpphy_enable_rx_gain_override(struct b43_wldev *dev)
-{
-	b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x1);
-	b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x10);
-	b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x40);
-	if (dev->phy.rev >= 2) {
-		b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x100);
-		if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
-			b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x400);
-			b43_phy_set(dev, B43_PHY_OFDM(0xE5), 0x8);
-		}
-	} else {
-		b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x200);
-	}
-}
-
 static void lpphy_set_rx_gain(struct b43_wldev *dev, u32 gain)
 {
 	if (dev->phy.rev < 2)
@@ -1009,8 +1040,7 @@ static int lpphy_loopback(struct b43_wldev *dev)
 
 	memset(&iq_est, 0, sizeof(iq_est));
 
-	b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xFFFC, 0x3);
-	b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x3);
+	lpphy_set_trsw_over(dev, true, true);
 	b43_phy_set(dev, B43_LPPHY_AFE_CTL_OVR, 1);
 	b43_phy_mask(dev, B43_LPPHY_AFE_CTL_OVRVAL, 0xFFFE);
 	b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x800);
@@ -1132,7 +1162,7 @@ static void lpphy_set_tx_power_control(struct b43_wldev *dev,
 			b43_phy_maskset(dev, B43_LPPHY_TX_PWR_CTL_NNUM,
 					0x8FFF, ((u16)lpphy->tssi_npt << 16));
 			//TODO Set "TSSI Transmit Count" variable to total transmitted frame count
-			//TODO Disable TX gain override
+			lpphy_disable_tx_gain_override(dev);
 			lpphy->tx_pwr_idx_over = -1;
 		}
 	}
@@ -1318,15 +1348,73 @@ static void lpphy_calibrate_rc(struct b43_wldev *dev)
 	}
 }
 
+static void b43_lpphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna)
+{
+	if (dev->phy.rev >= 2)
+		return; // rev2+ doesn't support antenna diversity
+
+	if (B43_WARN_ON(antenna > B43_ANTENNA_AUTO1))
+		return;
+
+	b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_ANTDIVHELP);
+
+	b43_phy_maskset(dev, B43_LPPHY_CRSGAIN_CTL, 0xFFFD, antenna & 0x2);
+	b43_phy_maskset(dev, B43_LPPHY_CRSGAIN_CTL, 0xFFFE, antenna & 0x1);
+
+	b43_hf_write(dev, b43_hf_read(dev) | B43_HF_ANTDIVHELP);
+
+	dev->phy.lp->antenna = antenna;
+}
+
+static void lpphy_set_tx_iqcc(struct b43_wldev *dev, u16 a, u16 b)
+{
+	u16 tmp[2];
+
+	tmp[0] = a;
+	tmp[1] = b;
+	b43_lptab_write_bulk(dev, B43_LPTAB16(0, 80), 2, tmp);
+}
+
 static void lpphy_set_tx_power_by_index(struct b43_wldev *dev, u8 index)
 {
 	struct b43_phy_lp *lpphy = dev->phy.lp;
+	struct lpphy_tx_gains gains;
+	u32 iq_comp, tx_gain, coeff, rf_power;
 
 	lpphy->tx_pwr_idx_over = index;
+	lpphy_read_tx_pctl_mode_from_hardware(dev);
 	if (lpphy->txpctl_mode != B43_LPPHY_TXPCTL_OFF)
 		lpphy_set_tx_power_control(dev, B43_LPPHY_TXPCTL_SW);
-
-	//TODO
+	if (dev->phy.rev >= 2) {
+		iq_comp = b43_lptab_read(dev, B43_LPTAB32(7, index + 320));
+		tx_gain = b43_lptab_read(dev, B43_LPTAB32(7, index + 192));
+		gains.pad = (tx_gain >> 16) & 0xFF;
+		gains.gm = tx_gain & 0xFF;
+		gains.pga = (tx_gain >> 8) & 0xFF;
+		gains.dac = (iq_comp >> 28) & 0xFF;
+		lpphy_set_tx_gains(dev, gains);
+	} else {
+		iq_comp = b43_lptab_read(dev, B43_LPTAB32(10, index + 320));
+		tx_gain = b43_lptab_read(dev, B43_LPTAB32(10, index + 192));
+		b43_phy_maskset(dev, B43_LPPHY_TX_GAIN_CTL_OVERRIDE_VAL,
+				0xF800, (tx_gain >> 4) & 0x7FFF);
+		lpphy_set_dac_gain(dev, tx_gain & 0x7);
+		lpphy_set_pa_gain(dev, (tx_gain >> 24) & 0x7F);
+	}
+	lpphy_set_bb_mult(dev, (iq_comp >> 20) & 0xFF);
+	lpphy_set_tx_iqcc(dev, (iq_comp >> 10) & 0x3FF, iq_comp & 0x3FF);
+	if (dev->phy.rev >= 2) {
+		coeff = b43_lptab_read(dev, B43_LPTAB32(7, index + 448));
+	} else {
+		coeff = b43_lptab_read(dev, B43_LPTAB32(10, index + 448));
+	}
+	b43_lptab_write(dev, B43_LPTAB16(0, 85), coeff & 0xFFFF);
+	if (dev->phy.rev >= 2) {
+		rf_power = b43_lptab_read(dev, B43_LPTAB32(7, index + 576));
+		b43_phy_maskset(dev, B43_LPPHY_RF_PWR_OVERRIDE, 0xFF00,
+				rf_power & 0xFFFF);//SPEC FIXME mask & set != 0
+	}
+	lpphy_enable_tx_gain_override(dev);
 }
 
 static void lpphy_btcoex_override(struct b43_wldev *dev)
@@ -1335,58 +1423,45 @@ static void lpphy_btcoex_override(struct b43_wldev *dev)
 	b43_write16(dev, B43_MMIO_BTCOEX_TXCTL, 0xFF);
 }
 
-static void lpphy_pr41573_workaround(struct b43_wldev *dev)
+static void b43_lpphy_op_software_rfkill(struct b43_wldev *dev,
+					 bool blocked)
 {
-	struct b43_phy_lp *lpphy = dev->phy.lp;
-	u32 *saved_tab;
-	const unsigned int saved_tab_size = 256;
-	enum b43_lpphy_txpctl_mode txpctl_mode;
-	s8 tx_pwr_idx_over;
-	u16 tssi_npt, tssi_idx;
-
-	saved_tab = kcalloc(saved_tab_size, sizeof(saved_tab[0]), GFP_KERNEL);
-	if (!saved_tab) {
-		b43err(dev->wl, "PR41573 failed. Out of memory!\n");
-		return;
-	}
-
-	lpphy_read_tx_pctl_mode_from_hardware(dev);
-	txpctl_mode = lpphy->txpctl_mode;
-	tx_pwr_idx_over = lpphy->tx_pwr_idx_over;
-	tssi_npt = lpphy->tssi_npt;
-	tssi_idx = lpphy->tssi_idx;
-
-	if (dev->phy.rev < 2) {
-		b43_lptab_read_bulk(dev, B43_LPTAB32(10, 0x140),
-				    saved_tab_size, saved_tab);
+	//TODO check MAC control register
+	if (blocked) {
+		if (dev->phy.rev >= 2) {
+			b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0x83FF);
+			b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x1F00);
+			b43_phy_mask(dev, B43_LPPHY_AFE_DDFS, 0x80FF);
+			b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2_VAL, 0xDFFF);
+			b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x0808);
+		} else {
+			b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xE0FF);
+			b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x1F00);
+			b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2_VAL, 0xFCFF);
+			b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x0018);
+		}
 	} else {
-		b43_lptab_read_bulk(dev, B43_LPTAB32(7, 0x140),
-				    saved_tab_size, saved_tab);
+		b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xE0FF);
+		if (dev->phy.rev >= 2)
+			b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xF7F7);
+		else
+			b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFFE7);
 	}
-	//TODO
-
-	kfree(saved_tab);
 }
 
-static void lpphy_calibration(struct b43_wldev *dev)
+/* This was previously called lpphy_japan_filter */
+static void lpphy_set_analog_filter(struct b43_wldev *dev, int channel)
 {
 	struct b43_phy_lp *lpphy = dev->phy.lp;
-	enum b43_lpphy_txpctl_mode saved_pctl_mode;
-
-	b43_mac_suspend(dev);
-
-	lpphy_btcoex_override(dev);
-	lpphy_read_tx_pctl_mode_from_hardware(dev);
-	saved_pctl_mode = lpphy->txpctl_mode;
-	lpphy_set_tx_power_control(dev, B43_LPPHY_TXPCTL_OFF);
-	//TODO Perform transmit power table I/Q LO calibration
-	if ((dev->phy.rev == 0) && (saved_pctl_mode != B43_LPPHY_TXPCTL_OFF))
-		lpphy_pr41573_workaround(dev);
-	//TODO If a full calibration has not been performed on this channel yet, perform PAPD TX-power calibration
-	lpphy_set_tx_power_control(dev, saved_pctl_mode);
-	//TODO Perform I/Q calibration with a single control value set
+	u16 tmp = (channel == 14); //SPEC FIXME check japanwidefilter!
 
-	b43_mac_enable(dev);
+	if (dev->phy.rev < 2) { //SPEC FIXME Isn't this rev0/1-specific?
+		b43_phy_maskset(dev, B43_LPPHY_LP_PHY_CTL, 0xFCFF, tmp << 9);
+		if ((dev->phy.rev == 1) && (lpphy->rc_cap))
+			lpphy_set_rc_cap(dev);
+	} else {
+		b43_radio_write(dev, B2063_TX_BB_SP3, 0x3F);
+	}
 }
 
 static void lpphy_set_tssi_mux(struct b43_wldev *dev, enum tssi_mux_mode mode)
@@ -1495,6 +1570,473 @@ static void lpphy_tx_pctl_init(struct b43_wldev *dev)
 	}
 }
 
+static void lpphy_pr41573_workaround(struct b43_wldev *dev)
+{
+	struct b43_phy_lp *lpphy = dev->phy.lp;
+	u32 *saved_tab;
+	const unsigned int saved_tab_size = 256;
+	enum b43_lpphy_txpctl_mode txpctl_mode;
+	s8 tx_pwr_idx_over;
+	u16 tssi_npt, tssi_idx;
+
+	saved_tab = kcalloc(saved_tab_size, sizeof(saved_tab[0]), GFP_KERNEL);
+	if (!saved_tab) {
+		b43err(dev->wl, "PR41573 failed. Out of memory!\n");
+		return;
+	}
+
+	lpphy_read_tx_pctl_mode_from_hardware(dev);
+	txpctl_mode = lpphy->txpctl_mode;
+	tx_pwr_idx_over = lpphy->tx_pwr_idx_over;
+	tssi_npt = lpphy->tssi_npt;
+	tssi_idx = lpphy->tssi_idx;
+
+	if (dev->phy.rev < 2) {
+		b43_lptab_read_bulk(dev, B43_LPTAB32(10, 0x140),
+				    saved_tab_size, saved_tab);
+	} else {
+		b43_lptab_read_bulk(dev, B43_LPTAB32(7, 0x140),
+				    saved_tab_size, saved_tab);
+	}
+	//FIXME PHY reset
+	lpphy_table_init(dev); //FIXME is table init needed?
+	lpphy_baseband_init(dev);
+	lpphy_tx_pctl_init(dev);
+	b43_lpphy_op_software_rfkill(dev, false);
+	lpphy_set_tx_power_control(dev, B43_LPPHY_TXPCTL_OFF);
+	if (dev->phy.rev < 2) {
+		b43_lptab_write_bulk(dev, B43_LPTAB32(10, 0x140),
+				     saved_tab_size, saved_tab);
+	} else {
+		b43_lptab_write_bulk(dev, B43_LPTAB32(7, 0x140),
+				     saved_tab_size, saved_tab);
+	}
+	b43_write16(dev, B43_MMIO_CHANNEL, lpphy->channel);
+	lpphy->tssi_npt = tssi_npt;
+	lpphy->tssi_idx = tssi_idx;
+	lpphy_set_analog_filter(dev, lpphy->channel);
+	if (tx_pwr_idx_over != -1)
+		lpphy_set_tx_power_by_index(dev, tx_pwr_idx_over);
+	if (lpphy->rc_cap)
+		lpphy_set_rc_cap(dev);
+	b43_lpphy_op_set_rx_antenna(dev, lpphy->antenna);
+	lpphy_set_tx_power_control(dev, txpctl_mode);
+	kfree(saved_tab);
+}
+
+struct lpphy_rx_iq_comp { u8 chan; s8 c1, c0; };
+
+static const struct lpphy_rx_iq_comp lpphy_5354_iq_table[] = {
+	{ .chan = 1, .c1 = -66, .c0 = 15, },
+	{ .chan = 2, .c1 = -66, .c0 = 15, },
+	{ .chan = 3, .c1 = -66, .c0 = 15, },
+	{ .chan = 4, .c1 = -66, .c0 = 15, },
+	{ .chan = 5, .c1 = -66, .c0 = 15, },
+	{ .chan = 6, .c1 = -66, .c0 = 15, },
+	{ .chan = 7, .c1 = -66, .c0 = 14, },
+	{ .chan = 8, .c1 = -66, .c0 = 14, },
+	{ .chan = 9, .c1 = -66, .c0 = 14, },
+	{ .chan = 10, .c1 = -66, .c0 = 14, },
+	{ .chan = 11, .c1 = -66, .c0 = 14, },
+	{ .chan = 12, .c1 = -66, .c0 = 13, },
+	{ .chan = 13, .c1 = -66, .c0 = 13, },
+	{ .chan = 14, .c1 = -66, .c0 = 13, },
+};
+
+static const struct lpphy_rx_iq_comp lpphy_rev0_1_iq_table[] = {
+	{ .chan = 1, .c1 = -64, .c0 = 13, },
+	{ .chan = 2, .c1 = -64, .c0 = 13, },
+	{ .chan = 3, .c1 = -64, .c0 = 13, },
+	{ .chan = 4, .c1 = -64, .c0 = 13, },
+	{ .chan = 5, .c1 = -64, .c0 = 12, },
+	{ .chan = 6, .c1 = -64, .c0 = 12, },
+	{ .chan = 7, .c1 = -64, .c0 = 12, },
+	{ .chan = 8, .c1 = -64, .c0 = 12, },
+	{ .chan = 9, .c1 = -64, .c0 = 12, },
+	{ .chan = 10, .c1 = -64, .c0 = 11, },
+	{ .chan = 11, .c1 = -64, .c0 = 11, },
+	{ .chan = 12, .c1 = -64, .c0 = 11, },
+	{ .chan = 13, .c1 = -64, .c0 = 11, },
+	{ .chan = 14, .c1 = -64, .c0 = 10, },
+	{ .chan = 34, .c1 = -62, .c0 = 24, },
+	{ .chan = 38, .c1 = -62, .c0 = 24, },
+	{ .chan = 42, .c1 = -62, .c0 = 24, },
+	{ .chan = 46, .c1 = -62, .c0 = 23, },
+	{ .chan = 36, .c1 = -62, .c0 = 24, },
+	{ .chan = 40, .c1 = -62, .c0 = 24, },
+	{ .chan = 44, .c1 = -62, .c0 = 23, },
+	{ .chan = 48, .c1 = -62, .c0 = 23, },
+	{ .chan = 52, .c1 = -62, .c0 = 23, },
+	{ .chan = 56, .c1 = -62, .c0 = 22, },
+	{ .chan = 60, .c1 = -62, .c0 = 22, },
+	{ .chan = 64, .c1 = -62, .c0 = 22, },
+	{ .chan = 100, .c1 = -62, .c0 = 16, },
+	{ .chan = 104, .c1 = -62, .c0 = 16, },
+	{ .chan = 108, .c1 = -62, .c0 = 15, },
+	{ .chan = 112, .c1 = -62, .c0 = 14, },
+	{ .chan = 116, .c1 = -62, .c0 = 14, },
+	{ .chan = 120, .c1 = -62, .c0 = 13, },
+	{ .chan = 124, .c1 = -62, .c0 = 12, },
+	{ .chan = 128, .c1 = -62, .c0 = 12, },
+	{ .chan = 132, .c1 = -62, .c0 = 12, },
+	{ .chan = 136, .c1 = -62, .c0 = 11, },
+	{ .chan = 140, .c1 = -62, .c0 = 10, },
+	{ .chan = 149, .c1 = -61, .c0 = 9, },
+	{ .chan = 153, .c1 = -61, .c0 = 9, },
+	{ .chan = 157, .c1 = -61, .c0 = 9, },
+	{ .chan = 161, .c1 = -61, .c0 = 8, },
+	{ .chan = 165, .c1 = -61, .c0 = 8, },
+	{ .chan = 184, .c1 = -62, .c0 = 25, },
+	{ .chan = 188, .c1 = -62, .c0 = 25, },
+	{ .chan = 192, .c1 = -62, .c0 = 25, },
+	{ .chan = 196, .c1 = -62, .c0 = 25, },
+	{ .chan = 200, .c1 = -62, .c0 = 25, },
+	{ .chan = 204, .c1 = -62, .c0 = 25, },
+	{ .chan = 208, .c1 = -62, .c0 = 25, },
+	{ .chan = 212, .c1 = -62, .c0 = 25, },
+	{ .chan = 216, .c1 = -62, .c0 = 26, },
+};
+
+static const struct lpphy_rx_iq_comp lpphy_rev2plus_iq_comp = {
+	.chan = 0,
+	.c1 = -64,
+	.c0 = 0,
+};
+
+static u8 lpphy_nbits(s32 val)
+{
+	u32 tmp = abs(val);
+	u8 nbits = 0;
+
+	while (tmp != 0) {
+		nbits++;
+		tmp >>= 1;
+	}
+
+	return nbits;
+}
+
+static int lpphy_calc_rx_iq_comp(struct b43_wldev *dev, u16 samples)
+{
+	struct lpphy_iq_est iq_est;
+	u16 c0, c1;
+	int prod, ipwr, qpwr, prod_msb, q_msb, tmp1, tmp2, tmp3, tmp4, ret;
+
+	c1 = b43_phy_read(dev, B43_LPPHY_RX_COMP_COEFF_S);
+	c0 = c1 >> 8;
+	c1 |= 0xFF;
+
+	b43_phy_maskset(dev, B43_LPPHY_RX_COMP_COEFF_S, 0xFF00, 0x00C0);
+	b43_phy_mask(dev, B43_LPPHY_RX_COMP_COEFF_S, 0x00FF);
+
+	ret = lpphy_rx_iq_est(dev, samples, 32, &iq_est);
+	if (!ret)
+		goto out;
+
+	prod = iq_est.iq_prod;
+	ipwr = iq_est.i_pwr;
+	qpwr = iq_est.q_pwr;
+
+	if (ipwr + qpwr < 2) {
+		ret = 0;
+		goto out;
+	}
+
+	prod_msb = lpphy_nbits(prod);
+	q_msb = lpphy_nbits(qpwr);
+	tmp1 = prod_msb - 20;
+
+	if (tmp1 >= 0) {
+		tmp3 = ((prod << (30 - prod_msb)) + (ipwr >> (1 + tmp1))) /
+			(ipwr >> tmp1);
+	} else {
+		tmp3 = ((prod << (30 - prod_msb)) + (ipwr << (-1 - tmp1))) /
+			(ipwr << -tmp1);
+	}
+
+	tmp2 = q_msb - 11;
+
+	if (tmp2 >= 0)
+		tmp4 = (qpwr << (31 - q_msb)) / (ipwr >> tmp2);
+	else
+		tmp4 = (qpwr << (31 - q_msb)) / (ipwr << -tmp2);
+
+	tmp4 -= tmp3 * tmp3;
+	tmp4 = -int_sqrt(tmp4);
+
+	c0 = tmp3 >> 3;
+	c1 = tmp4 >> 4;
+
+out:
+	b43_phy_maskset(dev, B43_LPPHY_RX_COMP_COEFF_S, 0xFF00, c1);
+	b43_phy_maskset(dev, B43_LPPHY_RX_COMP_COEFF_S, 0x00FF, c0 << 8);
+	return ret;
+}
+
+/* Complex number using 2 32-bit signed integers */
+typedef struct {s32 i, q;} lpphy_c32;
+
+static lpphy_c32 lpphy_cordic(int theta)
+{
+	u32 arctg[] = { 2949120, 1740967, 919879, 466945, 234379, 117304,
+		      58666, 29335, 14668, 7334, 3667, 1833, 917, 458,
+		      229, 115, 57, 29, };
+	int i, tmp, signx = 1, angle = 0;
+	lpphy_c32 ret = { .i = 39797, .q = 0, };
+
+	theta = clamp_t(int, theta, -180, 180);
+
+	if (theta > 90) {
+		theta -= 180;
+		signx = -1;
+	} else if (theta < -90) {
+		theta += 180;
+		signx = -1;
+	}
+
+	for (i = 0; i <= 17; i++) {
+		if (theta > angle) {
+			tmp = ret.i - (ret.q >> i);
+			ret.q += ret.i >> i;
+			ret.i = tmp;
+			angle += arctg[i];
+		} else {
+			tmp = ret.i + (ret.q >> i);
+			ret.q -= ret.i >> i;
+			ret.i = tmp;
+			angle -= arctg[i];
+		}
+	}
+
+	ret.i *= signx;
+	ret.q *= signx;
+
+	return ret;
+}
+
+static void lpphy_run_samples(struct b43_wldev *dev, u16 samples, u16 loops,
+			      u16 wait)
+{
+	b43_phy_maskset(dev, B43_LPPHY_SMPL_PLAY_BUFFER_CTL,
+			0xFFC0, samples - 1);
+	if (loops != 0xFFFF)
+		loops--;
+	b43_phy_maskset(dev, B43_LPPHY_SMPL_PLAY_COUNT, 0xF000, loops);
+	b43_phy_maskset(dev, B43_LPPHY_SMPL_PLAY_BUFFER_CTL, 0x3F, wait << 6);
+	b43_phy_set(dev, B43_LPPHY_A_PHY_CTL_ADDR, 0x1);
+}
+
+//SPEC FIXME what does a negative freq mean?
+static void lpphy_start_tx_tone(struct b43_wldev *dev, s32 freq, u16 max)
+{
+	struct b43_phy_lp *lpphy = dev->phy.lp;
+	u16 buf[64];
+	int i, samples = 0, angle = 0, rotation = (9 * freq) / 500;
+	lpphy_c32 sample;
+
+	lpphy->tx_tone_freq = freq;
+
+	if (freq) {
+		/* Find i for which abs(freq) integrally divides 20000 * i */
+		for (i = 1; samples * abs(freq) != 20000 * i; i++) {
+			samples = (20000 * i) / abs(freq);
+			if(B43_WARN_ON(samples > 63))
+				return;
+		}
+	} else {
+		samples = 2;
+	}
+
+	for (i = 0; i < samples; i++) {
+		sample = lpphy_cordic(angle);
+		angle += rotation;
+		buf[i] = ((sample.i * max) & 0xFF) << 8;
+		buf[i] |= (sample.q * max) & 0xFF;
+	}
+
+	b43_lptab_write_bulk(dev, B43_LPTAB16(5, 0), samples, buf);
+
+	lpphy_run_samples(dev, samples, 0xFFFF, 0);
+}
+
+static void lpphy_stop_tx_tone(struct b43_wldev *dev)
+{
+	struct b43_phy_lp *lpphy = dev->phy.lp;
+	int i;
+
+	lpphy->tx_tone_freq = 0;
+
+	b43_phy_mask(dev, B43_LPPHY_SMPL_PLAY_COUNT, 0xF000);
+	for (i = 0; i < 31; i++) {
+		if (!(b43_phy_read(dev, B43_LPPHY_A_PHY_CTL_ADDR) & 0x1))
+			break;
+		udelay(100);
+	}
+}
+
+
+static void lpphy_papd_cal(struct b43_wldev *dev, struct lpphy_tx_gains gains,
+			   int mode, bool useindex, u8 index)
+{
+	//TODO
+}
+
+static void lpphy_papd_cal_txpwr(struct b43_wldev *dev)
+{
+	struct b43_phy_lp *lpphy = dev->phy.lp;
+	struct ssb_bus *bus = dev->dev->bus;
+	struct lpphy_tx_gains gains, oldgains;
+	int old_txpctl, old_afe_ovr, old_rf, old_bbmult;
+
+	lpphy_read_tx_pctl_mode_from_hardware(dev);
+	old_txpctl = lpphy->txpctl_mode;
+	old_afe_ovr = b43_phy_read(dev, B43_LPPHY_AFE_CTL_OVR) & 0x40;
+	if (old_afe_ovr)
+		oldgains = lpphy_get_tx_gains(dev);
+	old_rf = b43_phy_read(dev, B43_LPPHY_RF_PWR_OVERRIDE) & 0xFF;
+	old_bbmult = lpphy_get_bb_mult(dev);
+
+	lpphy_set_tx_power_control(dev, B43_LPPHY_TXPCTL_OFF);
+
+	if (bus->chip_id == 0x4325 && bus->chip_rev == 0)
+		lpphy_papd_cal(dev, gains, 0, 1, 30);
+	else
+		lpphy_papd_cal(dev, gains, 0, 1, 65);
+
+	if (old_afe_ovr)
+		lpphy_set_tx_gains(dev, oldgains);
+	lpphy_set_bb_mult(dev, old_bbmult);
+	lpphy_set_tx_power_control(dev, old_txpctl);
+	b43_phy_maskset(dev, B43_LPPHY_RF_PWR_OVERRIDE, 0xFF00, old_rf);
+}
+
+static int lpphy_rx_iq_cal(struct b43_wldev *dev, bool noise, bool tx,
+			    bool rx, bool pa, struct lpphy_tx_gains *gains)
+{
+	struct b43_phy_lp *lpphy = dev->phy.lp;
+	struct ssb_bus *bus = dev->dev->bus;
+	const struct lpphy_rx_iq_comp *iqcomp = NULL;
+	struct lpphy_tx_gains nogains, oldgains;
+	u16 tmp;
+	int i, ret;
+
+	memset(&nogains, 0, sizeof(nogains));
+	memset(&oldgains, 0, sizeof(oldgains));
+
+	if (bus->chip_id == 0x5354) {
+		for (i = 0; i < ARRAY_SIZE(lpphy_5354_iq_table); i++) {
+			if (lpphy_5354_iq_table[i].chan == lpphy->channel) {
+				iqcomp = &lpphy_5354_iq_table[i];
+			}
+		}
+	} else if (dev->phy.rev >= 2) {
+		iqcomp = &lpphy_rev2plus_iq_comp;
+	} else {
+		for (i = 0; i < ARRAY_SIZE(lpphy_rev0_1_iq_table); i++) {
+			if (lpphy_rev0_1_iq_table[i].chan == lpphy->channel) {
+				iqcomp = &lpphy_rev0_1_iq_table[i];
+			}
+		}
+	}
+
+	if (B43_WARN_ON(!iqcomp))
+		return 0;
+
+	b43_phy_maskset(dev, B43_LPPHY_RX_COMP_COEFF_S, 0xFF00, iqcomp->c1);
+	b43_phy_maskset(dev, B43_LPPHY_RX_COMP_COEFF_S,
+			0x00FF, iqcomp->c0 << 8);
+
+	if (noise) {
+		tx = true;
+		rx = false;
+		pa = false;
+	}
+
+	lpphy_set_trsw_over(dev, tx, rx);
+
+	if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
+		b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x8);
+		b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_VAL_0,
+				0xFFF7, pa << 3);
+	} else {
+		b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x20);
+		b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_VAL_0,
+				0xFFDF, pa << 5);
+	}
+
+	tmp = b43_phy_read(dev, B43_LPPHY_AFE_CTL_OVR) & 0x40;
+
+	if (noise)
+		lpphy_set_rx_gain(dev, 0x2D5D);
+	else {
+		if (tmp)
+			oldgains = lpphy_get_tx_gains(dev);
+		if (!gains)
+			gains = &nogains;
+		lpphy_set_tx_gains(dev, *gains);
+	}
+
+	b43_phy_mask(dev, B43_LPPHY_AFE_CTL_OVR, 0xFFFE);
+	b43_phy_mask(dev, B43_LPPHY_AFE_CTL_OVRVAL, 0xFFFE);
+	b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x800);
+	b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0x800);
+	lpphy_set_deaf(dev, false);
+	if (noise)
+		ret = lpphy_calc_rx_iq_comp(dev, 0xFFF0);
+	else {
+		lpphy_start_tx_tone(dev, 4000, 100);
+		ret = lpphy_calc_rx_iq_comp(dev, 0x4000);
+		lpphy_stop_tx_tone(dev);
+	}
+	lpphy_clear_deaf(dev, false);
+	b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFFC);
+	b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFF7);
+	b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFDF);
+	if (!noise) {
+		if (tmp)
+			lpphy_set_tx_gains(dev, oldgains);
+		else
+			lpphy_disable_tx_gain_override(dev);
+	}
+	lpphy_disable_rx_gain_override(dev);
+	b43_phy_mask(dev, B43_LPPHY_AFE_CTL_OVR, 0xFFFE);
+	b43_phy_mask(dev, B43_LPPHY_AFE_CTL_OVRVAL, 0xF7FF);
+	return ret;
+}
+
+static void lpphy_calibration(struct b43_wldev *dev)
+{
+	struct b43_phy_lp *lpphy = dev->phy.lp;
+	enum b43_lpphy_txpctl_mode saved_pctl_mode;
+	bool full_cal = false;
+
+	if (lpphy->full_calib_chan != lpphy->channel) {
+		full_cal = true;
+		lpphy->full_calib_chan = lpphy->channel;
+	}
+
+	b43_mac_suspend(dev);
+
+	lpphy_btcoex_override(dev);
+	if (dev->phy.rev >= 2)
+		lpphy_save_dig_flt_state(dev);
+	lpphy_read_tx_pctl_mode_from_hardware(dev);
+	saved_pctl_mode = lpphy->txpctl_mode;
+	lpphy_set_tx_power_control(dev, B43_LPPHY_TXPCTL_OFF);
+	//TODO Perform transmit power table I/Q LO calibration
+	if ((dev->phy.rev == 0) && (saved_pctl_mode != B43_LPPHY_TXPCTL_OFF))
+		lpphy_pr41573_workaround(dev);
+	if ((dev->phy.rev >= 2) && full_cal) {
+		lpphy_papd_cal_txpwr(dev);
+	}
+	lpphy_set_tx_power_control(dev, saved_pctl_mode);
+	if (dev->phy.rev >= 2)
+		lpphy_restore_dig_flt_state(dev);
+	lpphy_rx_iq_cal(dev, true, true, false, false, NULL);
+
+	b43_mac_enable(dev);
+}
+
 static u16 b43_lpphy_op_read(struct b43_wldev *dev, u16 reg)
 {
 	b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
@@ -1539,12 +2081,6 @@ static void b43_lpphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
 	b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
 }
 
-static void b43_lpphy_op_software_rfkill(struct b43_wldev *dev,
-					 bool blocked)
-{
-	//TODO
-}
-
 struct b206x_channel {
 	u8 channel;
 	u16 freq;
@@ -2010,22 +2546,6 @@ static int lpphy_b2062_tune(struct b43_wldev *dev,
 	return err;
 }
 
-
-/* This was previously called lpphy_japan_filter */
-static void lpphy_set_analog_filter(struct b43_wldev *dev, int channel)
-{
-	struct b43_phy_lp *lpphy = dev->phy.lp;
-	u16 tmp = (channel == 14); //SPEC FIXME check japanwidefilter!
-
-	if (dev->phy.rev < 2) { //SPEC FIXME Isn't this rev0/1-specific?
-		b43_phy_maskset(dev, B43_LPPHY_LP_PHY_CTL, 0xFCFF, tmp << 9);
-		if ((dev->phy.rev == 1) && (lpphy->rc_cap))
-			lpphy_set_rc_cap(dev);
-	} else {
-		b43_radio_write(dev, B2063_TX_BB_SP3, 0x3F);
-	}
-}
-
 static void lpphy_b2063_vco_calib(struct b43_wldev *dev)
 {
 	u16 tmp;
@@ -2210,18 +2730,6 @@ static int b43_lpphy_op_init(struct b43_wldev *dev)
 	return 0;
 }
 
-static void b43_lpphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna)
-{
-	if (dev->phy.rev >= 2)
-		return; // rev2+ doesn't support antenna diversity
-
-	if (B43_WARN_ON(antenna > B43_ANTENNA_AUTO1))
-		return;
-
-	b43_phy_maskset(dev, B43_LPPHY_CRSGAIN_CTL, 0xFFFD, antenna & 0x2);
-	b43_phy_maskset(dev, B43_LPPHY_CRSGAIN_CTL, 0xFFFE, antenna & 0x1);
-}
-
 static void b43_lpphy_op_adjust_txpower(struct b43_wldev *dev)
 {
 	//TODO
@@ -2244,6 +2752,11 @@ void b43_lpphy_op_switch_analog(struct b43_wldev *dev, bool on)
        }
 }
 
+static void b43_lpphy_op_pwork_15sec(struct b43_wldev *dev)
+{
+	//TODO
+}
+
 const struct b43_phy_operations b43_phyops_lp = {
 	.allocate		= b43_lpphy_op_allocate,
 	.free			= b43_lpphy_op_free,
@@ -2261,4 +2774,6 @@ const struct b43_phy_operations b43_phyops_lp = {
 	.set_rx_antenna		= b43_lpphy_op_set_rx_antenna,
 	.recalc_txpower		= b43_lpphy_op_recalc_txpower,
 	.adjust_txpower		= b43_lpphy_op_adjust_txpower,
+	.pwork_15sec		= b43_lpphy_op_pwork_15sec,
+	.pwork_60sec		= lpphy_calibration,
 };
diff --git a/drivers/net/wireless/b43/phy_lp.h b/drivers/net/wireless/b43/phy_lp.h
index c3232c17b60..62737f700cb 100644
--- a/drivers/net/wireless/b43/phy_lp.h
+++ b/drivers/net/wireless/b43/phy_lp.h
@@ -286,6 +286,7 @@
 #define B43_LPPHY_TR_LOOKUP_6			B43_PHY_OFDM(0xC8) /* TR Lookup 6 */
 #define B43_LPPHY_TR_LOOKUP_7			B43_PHY_OFDM(0xC9) /* TR Lookup 7 */
 #define B43_LPPHY_TR_LOOKUP_8			B43_PHY_OFDM(0xCA) /* TR Lookup 8 */
+#define B43_LPPHY_RF_PWR_OVERRIDE		B43_PHY_OFDM(0xD3) /* RF power override */
 
 
 
@@ -871,12 +872,12 @@ struct b43_phy_lp {
 	u8 rssi_gs;
 
 	/* RC cap */
-	u8 rc_cap; /* FIXME initial value? */
+	u8 rc_cap;
 	/* BX arch */
 	u8 bx_arch;
 
 	/* Full calibration channel */
-	u8 full_calib_chan; /* FIXME initial value? */
+	u8 full_calib_chan;
 
 	/* Transmit iqlocal best coeffs */
 	bool tx_iqloc_best_coeffs_valid;
@@ -891,6 +892,12 @@ struct b43_phy_lp {
 
 	/* The channel we are tuned to */
 	u8 channel;
+
+	/* The active antenna diversity mode */
+	int antenna;
+
+	/* Frequency of the active TX tone */
+	int tx_tone_freq;
 };
 
 enum tssi_mux_mode {
-- 
GitLab


From 7bcfaf2f431c09c51fe776fc06638b25d3b421c5 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Tue, 27 Oct 2009 12:59:03 +0100
Subject: [PATCH 0737/1815] cfg80211/mac80211: use debugfs_remove_recursive

We can save a lot of code and pointers in the structs
by using debugfs_remove_recursive().

First, change cfg80211 to use debugfs_remove_recursive()
so that drivers do not need to clean up any files they
added to the per-wiphy debugfs (if and only if they are
ok to be accessed until after wiphy_unregister!).

Then also make mac80211 use debugfs_remove_recursive()
where necessary -- it need not remove per-wiphy files
as cfg80211 now removes those, but netdev etc. files
still need to be handled but can now be removed without
needing struct dentry pointers to all of them.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/debugfs.c        |  73 +-------------
 net/mac80211/debugfs.h        |   2 -
 net/mac80211/debugfs_key.c    |  44 +++------
 net/mac80211/debugfs_netdev.c | 174 +++++-----------------------------
 net/mac80211/debugfs_sta.c    |  31 +-----
 net/mac80211/ieee80211_i.h    | 114 +---------------------
 net/mac80211/key.h            |  12 ---
 net/mac80211/main.c           |   2 -
 net/mac80211/rate.c           |   7 +-
 net/mac80211/sta_info.h       |  22 -----
 net/wireless/core.c           |   3 +-
 net/wireless/core.h           |  11 ---
 net/wireless/debugfs.c        |  15 +--
 net/wireless/debugfs.h        |   3 -
 14 files changed, 51 insertions(+), 462 deletions(-)

diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index 96991b68f04..82c807723b6 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -1,3 +1,4 @@
+
 /*
  * mac80211 debugfs for wireless PHYs
  *
@@ -38,16 +39,10 @@ static const struct file_operations name## _ops = {			\
 };
 
 #define DEBUGFS_ADD(name)						\
-	local->debugfs.name = debugfs_create_file(#name, 0400, phyd,	\
-						  local, &name## _ops);
+	debugfs_create_file(#name, 0400, phyd, local, &name## _ops);
 
 #define DEBUGFS_ADD_MODE(name, mode)					\
-	local->debugfs.name = debugfs_create_file(#name, mode, phyd,	\
-						  local, &name## _ops);
-
-#define DEBUGFS_DEL(name)						\
-	debugfs_remove(local->debugfs.name);				\
-	local->debugfs.name = NULL;
+	debugfs_create_file(#name, mode, phyd, local, &name## _ops);
 
 
 DEBUGFS_READONLY_FILE(frequency, 20, "%d",
@@ -233,12 +228,7 @@ static const struct file_operations stats_ ##name## _ops = {		\
 };
 
 #define DEBUGFS_STATS_ADD(name)						\
-	local->debugfs.stats.name = debugfs_create_file(#name, 0400, statsd,\
-		local, &stats_ ##name## _ops);
-
-#define DEBUGFS_STATS_DEL(name)						\
-	debugfs_remove(local->debugfs.stats.name);			\
-	local->debugfs.stats.name = NULL;
+	debugfs_create_file(#name, 0400, statsd, local, &stats_ ##name## _ops);
 
 DEBUGFS_STATS_FILE(transmitted_fragment_count, 20, "%u",
 		   local->dot11TransmittedFragmentCount);
@@ -326,7 +316,6 @@ void debugfs_hw_add(struct ieee80211_local *local)
 	DEBUGFS_ADD(noack);
 
 	statsd = debugfs_create_dir("statistics", phyd);
-	local->debugfs.statistics = statsd;
 
 	/* if the dir failed, don't put all the other things into the root! */
 	if (!statsd)
@@ -367,57 +356,3 @@ void debugfs_hw_add(struct ieee80211_local *local)
 	DEBUGFS_STATS_ADD(dot11FCSErrorCount);
 	DEBUGFS_STATS_ADD(dot11RTSSuccessCount);
 }
-
-void debugfs_hw_del(struct ieee80211_local *local)
-{
-	DEBUGFS_DEL(frequency);
-	DEBUGFS_DEL(total_ps_buffered);
-	DEBUGFS_DEL(wep_iv);
-	DEBUGFS_DEL(tsf);
-	DEBUGFS_DEL(queues);
-	DEBUGFS_DEL(reset);
-	DEBUGFS_DEL(noack);
-
-	DEBUGFS_STATS_DEL(transmitted_fragment_count);
-	DEBUGFS_STATS_DEL(multicast_transmitted_frame_count);
-	DEBUGFS_STATS_DEL(failed_count);
-	DEBUGFS_STATS_DEL(retry_count);
-	DEBUGFS_STATS_DEL(multiple_retry_count);
-	DEBUGFS_STATS_DEL(frame_duplicate_count);
-	DEBUGFS_STATS_DEL(received_fragment_count);
-	DEBUGFS_STATS_DEL(multicast_received_frame_count);
-	DEBUGFS_STATS_DEL(transmitted_frame_count);
-	DEBUGFS_STATS_DEL(num_scans);
-#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
-	DEBUGFS_STATS_DEL(tx_handlers_drop);
-	DEBUGFS_STATS_DEL(tx_handlers_queued);
-	DEBUGFS_STATS_DEL(tx_handlers_drop_unencrypted);
-	DEBUGFS_STATS_DEL(tx_handlers_drop_fragment);
-	DEBUGFS_STATS_DEL(tx_handlers_drop_wep);
-	DEBUGFS_STATS_DEL(tx_handlers_drop_not_assoc);
-	DEBUGFS_STATS_DEL(tx_handlers_drop_unauth_port);
-	DEBUGFS_STATS_DEL(rx_handlers_drop);
-	DEBUGFS_STATS_DEL(rx_handlers_queued);
-	DEBUGFS_STATS_DEL(rx_handlers_drop_nullfunc);
-	DEBUGFS_STATS_DEL(rx_handlers_drop_defrag);
-	DEBUGFS_STATS_DEL(rx_handlers_drop_short);
-	DEBUGFS_STATS_DEL(rx_handlers_drop_passive_scan);
-	DEBUGFS_STATS_DEL(tx_expand_skb_head);
-	DEBUGFS_STATS_DEL(tx_expand_skb_head_cloned);
-	DEBUGFS_STATS_DEL(rx_expand_skb_head);
-	DEBUGFS_STATS_DEL(rx_expand_skb_head2);
-	DEBUGFS_STATS_DEL(rx_handlers_fragments);
-	DEBUGFS_STATS_DEL(tx_status_drop);
-#endif
-	DEBUGFS_STATS_DEL(dot11ACKFailureCount);
-	DEBUGFS_STATS_DEL(dot11RTSFailureCount);
-	DEBUGFS_STATS_DEL(dot11FCSErrorCount);
-	DEBUGFS_STATS_DEL(dot11RTSSuccessCount);
-
-	debugfs_remove(local->debugfs.statistics);
-	local->debugfs.statistics = NULL;
-	debugfs_remove(local->debugfs.stations);
-	local->debugfs.stations = NULL;
-	debugfs_remove(local->debugfs.keys);
-	local->debugfs.keys = NULL;
-}
diff --git a/net/mac80211/debugfs.h b/net/mac80211/debugfs.h
index dd2541935c2..68e6a2050f9 100644
--- a/net/mac80211/debugfs.h
+++ b/net/mac80211/debugfs.h
@@ -3,14 +3,12 @@
 
 #ifdef CONFIG_MAC80211_DEBUGFS
 extern void debugfs_hw_add(struct ieee80211_local *local);
-extern void debugfs_hw_del(struct ieee80211_local *local);
 extern int mac80211_open_file_generic(struct inode *inode, struct file *file);
 #else
 static inline void debugfs_hw_add(struct ieee80211_local *local)
 {
 	return;
 }
-static inline void debugfs_hw_del(struct ieee80211_local *local) {}
 #endif
 
 #endif /* __MAC80211_DEBUGFS_H */
diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c
index 99c752588b3..e0f5224630d 100644
--- a/net/mac80211/debugfs_key.c
+++ b/net/mac80211/debugfs_key.c
@@ -225,8 +225,8 @@ static ssize_t key_key_read(struct file *file, char __user *userbuf,
 KEY_OPS(key);
 
 #define DEBUGFS_ADD(name) \
-	key->debugfs.name = debugfs_create_file(#name, 0400,\
-				key->debugfs.dir, key, &key_##name##_ops);
+	debugfs_create_file(#name, 0400, key->debugfs.dir, \
+			    key, &key_##name##_ops);
 
 void ieee80211_debugfs_key_add(struct ieee80211_key *key)
   {
@@ -271,30 +271,12 @@ void ieee80211_debugfs_key_add(struct ieee80211_key *key)
 	DEBUGFS_ADD(ifindex);
 };
 
-#define DEBUGFS_DEL(name) \
-	debugfs_remove(key->debugfs.name); key->debugfs.name = NULL;
-
 void ieee80211_debugfs_key_remove(struct ieee80211_key *key)
 {
 	if (!key)
 		return;
 
-	DEBUGFS_DEL(keylen);
-	DEBUGFS_DEL(flags);
-	DEBUGFS_DEL(keyidx);
-	DEBUGFS_DEL(hw_key_idx);
-	DEBUGFS_DEL(tx_rx_count);
-	DEBUGFS_DEL(algorithm);
-	DEBUGFS_DEL(tx_spec);
-	DEBUGFS_DEL(rx_spec);
-	DEBUGFS_DEL(replays);
-	DEBUGFS_DEL(icverrors);
-	DEBUGFS_DEL(key);
-	DEBUGFS_DEL(ifindex);
-
-	debugfs_remove(key->debugfs.stalink);
-	key->debugfs.stalink = NULL;
-	debugfs_remove(key->debugfs.dir);
+	debugfs_remove_recursive(key->debugfs.dir);
 	key->debugfs.dir = NULL;
 }
 void ieee80211_debugfs_key_add_default(struct ieee80211_sub_if_data *sdata)
@@ -302,7 +284,7 @@ void ieee80211_debugfs_key_add_default(struct ieee80211_sub_if_data *sdata)
 	char buf[50];
 	struct ieee80211_key *key;
 
-	if (!sdata->debugfsdir)
+	if (!sdata->debugfs.dir)
 		return;
 
 	/* this is running under the key lock */
@@ -310,9 +292,9 @@ void ieee80211_debugfs_key_add_default(struct ieee80211_sub_if_data *sdata)
 	key = sdata->default_key;
 	if (key) {
 		sprintf(buf, "../keys/%d", key->debugfs.cnt);
-		sdata->common_debugfs.default_key =
+		sdata->debugfs.default_key =
 			debugfs_create_symlink("default_key",
-					       sdata->debugfsdir, buf);
+					       sdata->debugfs.dir, buf);
 	} else
 		ieee80211_debugfs_key_remove_default(sdata);
 }
@@ -322,8 +304,8 @@ void ieee80211_debugfs_key_remove_default(struct ieee80211_sub_if_data *sdata)
 	if (!sdata)
 		return;
 
-	debugfs_remove(sdata->common_debugfs.default_key);
-	sdata->common_debugfs.default_key = NULL;
+	debugfs_remove(sdata->debugfs.default_key);
+	sdata->debugfs.default_key = NULL;
 }
 
 void ieee80211_debugfs_key_add_mgmt_default(struct ieee80211_sub_if_data *sdata)
@@ -331,7 +313,7 @@ void ieee80211_debugfs_key_add_mgmt_default(struct ieee80211_sub_if_data *sdata)
 	char buf[50];
 	struct ieee80211_key *key;
 
-	if (!sdata->debugfsdir)
+	if (!sdata->debugfs.dir)
 		return;
 
 	/* this is running under the key lock */
@@ -339,9 +321,9 @@ void ieee80211_debugfs_key_add_mgmt_default(struct ieee80211_sub_if_data *sdata)
 	key = sdata->default_mgmt_key;
 	if (key) {
 		sprintf(buf, "../keys/%d", key->debugfs.cnt);
-		sdata->common_debugfs.default_mgmt_key =
+		sdata->debugfs.default_mgmt_key =
 			debugfs_create_symlink("default_mgmt_key",
-					       sdata->debugfsdir, buf);
+					       sdata->debugfs.dir, buf);
 	} else
 		ieee80211_debugfs_key_remove_mgmt_default(sdata);
 }
@@ -351,8 +333,8 @@ void ieee80211_debugfs_key_remove_mgmt_default(struct ieee80211_sub_if_data *sda
 	if (!sdata)
 		return;
 
-	debugfs_remove(sdata->common_debugfs.default_mgmt_key);
-	sdata->common_debugfs.default_mgmt_key = NULL;
+	debugfs_remove(sdata->debugfs.default_mgmt_key);
+	sdata->debugfs.default_mgmt_key = NULL;
 }
 
 void ieee80211_debugfs_key_sta_del(struct ieee80211_key *key,
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index 61234e79022..8782264f49e 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -152,9 +152,9 @@ IEEE80211_IF_FILE(min_discovery_timeout,
 #endif
 
 
-#define DEBUGFS_ADD(name, type)\
-	sdata->debugfs.type.name = debugfs_create_file(#name, 0400,\
-		sdata->debugfsdir, sdata, &name##_ops);
+#define DEBUGFS_ADD(name, type) \
+	debugfs_create_file(#name, 0400, sdata->debugfs.dir, \
+			    sdata, &name##_ops);
 
 static void add_sta_files(struct ieee80211_sub_if_data *sdata)
 {
@@ -199,30 +199,32 @@ static void add_monitor_files(struct ieee80211_sub_if_data *sdata)
 }
 
 #ifdef CONFIG_MAC80211_MESH
-#define MESHSTATS_ADD(name)\
-	sdata->mesh_stats.name = debugfs_create_file(#name, 0400,\
-		sdata->mesh_stats_dir, sdata, &name##_ops);
 
 static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
 {
-	sdata->mesh_stats_dir = debugfs_create_dir("mesh_stats",
-				sdata->debugfsdir);
+	struct dentry *dir = debugfs_create_dir("mesh_stats",
+						sdata->debugfs.dir);
+
+#define MESHSTATS_ADD(name)\
+	debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
+
 	MESHSTATS_ADD(fwded_mcast);
 	MESHSTATS_ADD(fwded_unicast);
 	MESHSTATS_ADD(fwded_frames);
 	MESHSTATS_ADD(dropped_frames_ttl);
 	MESHSTATS_ADD(dropped_frames_no_route);
 	MESHSTATS_ADD(estab_plinks);
+#undef MESHSTATS_ADD
 }
 
-#define MESHPARAMS_ADD(name)\
-	sdata->mesh_config.name = debugfs_create_file(#name, 0600,\
-		sdata->mesh_config_dir, sdata, &name##_ops);
-
 static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
 {
-	sdata->mesh_config_dir = debugfs_create_dir("mesh_config",
-				sdata->debugfsdir);
+	struct dentry *dir = debugfs_create_dir("mesh_config",
+						sdata->debugfs.dir);
+
+#define MESHPARAMS_ADD(name) \
+	debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
+
 	MESHPARAMS_ADD(dot11MeshMaxRetries);
 	MESHPARAMS_ADD(dot11MeshRetryTimeout);
 	MESHPARAMS_ADD(dot11MeshConfirmTimeout);
@@ -236,12 +238,14 @@ static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
 	MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
 	MESHPARAMS_ADD(path_refresh_time);
 	MESHPARAMS_ADD(min_discovery_timeout);
+
+#undef MESHPARAMS_ADD
 }
 #endif
 
 static void add_files(struct ieee80211_sub_if_data *sdata)
 {
-	if (!sdata->debugfsdir)
+	if (!sdata->debugfs.dir)
 		return;
 
 	switch (sdata->vif.type) {
@@ -274,134 +278,6 @@ static void add_files(struct ieee80211_sub_if_data *sdata)
 	}
 }
 
-#define DEBUGFS_DEL(name, type)					\
-	do {							\
-		debugfs_remove(sdata->debugfs.type.name);	\
-		sdata->debugfs.type.name = NULL;		\
-	} while (0)
-
-static void del_sta_files(struct ieee80211_sub_if_data *sdata)
-{
-	DEBUGFS_DEL(drop_unencrypted, sta);
-	DEBUGFS_DEL(force_unicast_rateidx, sta);
-	DEBUGFS_DEL(max_ratectrl_rateidx, sta);
-
-	DEBUGFS_DEL(bssid, sta);
-	DEBUGFS_DEL(aid, sta);
-	DEBUGFS_DEL(capab, sta);
-}
-
-static void del_ap_files(struct ieee80211_sub_if_data *sdata)
-{
-	DEBUGFS_DEL(drop_unencrypted, ap);
-	DEBUGFS_DEL(force_unicast_rateidx, ap);
-	DEBUGFS_DEL(max_ratectrl_rateidx, ap);
-
-	DEBUGFS_DEL(num_sta_ps, ap);
-	DEBUGFS_DEL(dtim_count, ap);
-	DEBUGFS_DEL(num_buffered_multicast, ap);
-}
-
-static void del_wds_files(struct ieee80211_sub_if_data *sdata)
-{
-	DEBUGFS_DEL(drop_unencrypted, wds);
-	DEBUGFS_DEL(force_unicast_rateidx, wds);
-	DEBUGFS_DEL(max_ratectrl_rateidx, wds);
-
-	DEBUGFS_DEL(peer, wds);
-}
-
-static void del_vlan_files(struct ieee80211_sub_if_data *sdata)
-{
-	DEBUGFS_DEL(drop_unencrypted, vlan);
-	DEBUGFS_DEL(force_unicast_rateidx, vlan);
-	DEBUGFS_DEL(max_ratectrl_rateidx, vlan);
-}
-
-static void del_monitor_files(struct ieee80211_sub_if_data *sdata)
-{
-}
-
-#ifdef CONFIG_MAC80211_MESH
-#define MESHSTATS_DEL(name)			\
-	do {						\
-		debugfs_remove(sdata->mesh_stats.name);	\
-		sdata->mesh_stats.name = NULL;		\
-	} while (0)
-
-static void del_mesh_stats(struct ieee80211_sub_if_data *sdata)
-{
-	MESHSTATS_DEL(fwded_mcast);
-	MESHSTATS_DEL(fwded_unicast);
-	MESHSTATS_DEL(fwded_frames);
-	MESHSTATS_DEL(dropped_frames_ttl);
-	MESHSTATS_DEL(dropped_frames_no_route);
-	MESHSTATS_DEL(estab_plinks);
-	debugfs_remove(sdata->mesh_stats_dir);
-	sdata->mesh_stats_dir = NULL;
-}
-
-#define MESHPARAMS_DEL(name)			\
-	do {						\
-		debugfs_remove(sdata->mesh_config.name);	\
-		sdata->mesh_config.name = NULL;		\
-	} while (0)
-
-static void del_mesh_config(struct ieee80211_sub_if_data *sdata)
-{
-	MESHPARAMS_DEL(dot11MeshMaxRetries);
-	MESHPARAMS_DEL(dot11MeshRetryTimeout);
-	MESHPARAMS_DEL(dot11MeshConfirmTimeout);
-	MESHPARAMS_DEL(dot11MeshHoldingTimeout);
-	MESHPARAMS_DEL(dot11MeshTTL);
-	MESHPARAMS_DEL(auto_open_plinks);
-	MESHPARAMS_DEL(dot11MeshMaxPeerLinks);
-	MESHPARAMS_DEL(dot11MeshHWMPactivePathTimeout);
-	MESHPARAMS_DEL(dot11MeshHWMPpreqMinInterval);
-	MESHPARAMS_DEL(dot11MeshHWMPnetDiameterTraversalTime);
-	MESHPARAMS_DEL(dot11MeshHWMPmaxPREQretries);
-	MESHPARAMS_DEL(path_refresh_time);
-	MESHPARAMS_DEL(min_discovery_timeout);
-	debugfs_remove(sdata->mesh_config_dir);
-	sdata->mesh_config_dir = NULL;
-}
-#endif
-
-static void del_files(struct ieee80211_sub_if_data *sdata)
-{
-	if (!sdata->debugfsdir)
-		return;
-
-	switch (sdata->vif.type) {
-	case NL80211_IFTYPE_MESH_POINT:
-#ifdef CONFIG_MAC80211_MESH
-		del_mesh_stats(sdata);
-		del_mesh_config(sdata);
-#endif
-		break;
-	case NL80211_IFTYPE_STATION:
-		del_sta_files(sdata);
-		break;
-	case NL80211_IFTYPE_ADHOC:
-		/* XXX */
-		break;
-	case NL80211_IFTYPE_AP:
-		del_ap_files(sdata);
-		break;
-	case NL80211_IFTYPE_WDS:
-		del_wds_files(sdata);
-		break;
-	case NL80211_IFTYPE_MONITOR:
-		del_monitor_files(sdata);
-		break;
-	case NL80211_IFTYPE_AP_VLAN:
-		del_vlan_files(sdata);
-		break;
-	default:
-		break;
-	}
-}
-
 static int notif_registered;
 
 void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
@@ -412,16 +288,18 @@ void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
 		return;
 
 	sprintf(buf, "netdev:%s", sdata->dev->name);
-	sdata->debugfsdir = debugfs_create_dir(buf,
+	sdata->debugfs.dir = debugfs_create_dir(buf,
 		sdata->local->hw.wiphy->debugfsdir);
 	add_files(sdata);
 }
 
 void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
 {
-	del_files(sdata);
-	debugfs_remove(sdata->debugfsdir);
-	sdata->debugfsdir = NULL;
+	if (!sdata->debugfs.dir)
+		return;
+
+	debugfs_remove_recursive(sdata->debugfs.dir);
+	sdata->debugfs.dir = NULL;
 }
 
 static int netdev_notify(struct notifier_block *nb,
@@ -444,7 +322,7 @@ static int netdev_notify(struct notifier_block *nb,
 
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
-	dir = sdata->debugfsdir;
+	dir = sdata->debugfs.dir;
 
 	if (!dir)
 		return 0;
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index 33a2e892115..8721679773d 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -158,13 +158,9 @@ static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf,
 STA_OPS(agg_status);
 
 #define DEBUGFS_ADD(name) \
-	sta->debugfs.name = debugfs_create_file(#name, 0400, \
+	debugfs_create_file(#name, 0400, \
 		sta->debugfs.dir, sta, &sta_ ##name## _ops);
 
-#define DEBUGFS_DEL(name) \
-	debugfs_remove(sta->debugfs.name);\
-	sta->debugfs.name = NULL;
-
 
 void ieee80211_sta_debugfs_add(struct sta_info *sta)
 {
@@ -216,29 +212,6 @@ void ieee80211_sta_debugfs_add(struct sta_info *sta)
 
 void ieee80211_sta_debugfs_remove(struct sta_info *sta)
 {
-	DEBUGFS_DEL(flags);
-	DEBUGFS_DEL(num_ps_buf_frames);
-	DEBUGFS_DEL(inactive_ms);
-	DEBUGFS_DEL(last_seq_ctrl);
-	DEBUGFS_DEL(agg_status);
-	DEBUGFS_DEL(aid);
-	DEBUGFS_DEL(dev);
-	DEBUGFS_DEL(rx_packets);
-	DEBUGFS_DEL(tx_packets);
-	DEBUGFS_DEL(rx_bytes);
-	DEBUGFS_DEL(tx_bytes);
-	DEBUGFS_DEL(rx_duplicates);
-	DEBUGFS_DEL(rx_fragments);
-	DEBUGFS_DEL(rx_dropped);
-	DEBUGFS_DEL(tx_fragments);
-	DEBUGFS_DEL(tx_filtered);
-	DEBUGFS_DEL(tx_retry_failed);
-	DEBUGFS_DEL(tx_retry_count);
-	DEBUGFS_DEL(last_signal);
-	DEBUGFS_DEL(last_qual);
-	DEBUGFS_DEL(last_noise);
-	DEBUGFS_DEL(wep_weak_iv_count);
-
-	debugfs_remove(sta->debugfs.dir);
+	debugfs_remove_recursive(sta->debugfs.dir);
 	sta->debugfs.dir = NULL;
 }
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 588005c84a6..60c2822802f 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -471,74 +471,11 @@ struct ieee80211_sub_if_data {
 	} u;
 
 #ifdef CONFIG_MAC80211_DEBUGFS
-	struct dentry *debugfsdir;
-	union {
-		struct {
-			struct dentry *drop_unencrypted;
-			struct dentry *bssid;
-			struct dentry *aid;
-			struct dentry *capab;
-			struct dentry *force_unicast_rateidx;
-			struct dentry *max_ratectrl_rateidx;
-		} sta;
-		struct {
-			struct dentry *drop_unencrypted;
-			struct dentry *num_sta_ps;
-			struct dentry *dtim_count;
-			struct dentry *force_unicast_rateidx;
-			struct dentry *max_ratectrl_rateidx;
-			struct dentry *num_buffered_multicast;
-		} ap;
-		struct {
-			struct dentry *drop_unencrypted;
-			struct dentry *peer;
-			struct dentry *force_unicast_rateidx;
-			struct dentry *max_ratectrl_rateidx;
-		} wds;
-		struct {
-			struct dentry *drop_unencrypted;
-			struct dentry *force_unicast_rateidx;
-			struct dentry *max_ratectrl_rateidx;
-		} vlan;
-		struct {
-			struct dentry *mode;
-		} monitor;
-	} debugfs;
 	struct {
+		struct dentry *dir;
 		struct dentry *default_key;
 		struct dentry *default_mgmt_key;
-	} common_debugfs;
-
-#ifdef CONFIG_MAC80211_MESH
-	struct dentry *mesh_stats_dir;
-	struct {
-		struct dentry *fwded_mcast;
-		struct dentry *fwded_unicast;
-		struct dentry *fwded_frames;
-		struct dentry *dropped_frames_ttl;
-		struct dentry *dropped_frames_no_route;
-		struct dentry *estab_plinks;
-		struct timer_list mesh_path_timer;
-	} mesh_stats;
-
-	struct dentry *mesh_config_dir;
-	struct {
-		struct dentry *dot11MeshRetryTimeout;
-		struct dentry *dot11MeshConfirmTimeout;
-		struct dentry *dot11MeshHoldingTimeout;
-		struct dentry *dot11MeshMaxRetries;
-		struct dentry *dot11MeshTTL;
-		struct dentry *auto_open_plinks;
-		struct dentry *dot11MeshMaxPeerLinks;
-		struct dentry *dot11MeshHWMPactivePathTimeout;
-		struct dentry *dot11MeshHWMPpreqMinInterval;
-		struct dentry *dot11MeshHWMPnetDiameterTraversalTime;
-		struct dentry *dot11MeshHWMPmaxPREQretries;
-		struct dentry *path_refresh_time;
-		struct dentry *min_discovery_timeout;
-	} mesh_config;
-#endif
-
+	} debugfs;
 #endif
 	/* must be last, dynamically sized area in this! */
 	struct ieee80211_vif vif;
@@ -818,53 +755,6 @@ struct ieee80211_local {
 #ifdef CONFIG_MAC80211_DEBUGFS
 	struct local_debugfsdentries {
 		struct dentry *rcdir;
-		struct dentry *rcname;
-		struct dentry *frequency;
-		struct dentry *total_ps_buffered;
-		struct dentry *wep_iv;
-		struct dentry *tsf;
-		struct dentry *queues;
-		struct dentry *reset;
-		struct dentry *noack;
-		struct dentry *statistics;
-		struct local_debugfsdentries_statsdentries {
-			struct dentry *transmitted_fragment_count;
-			struct dentry *multicast_transmitted_frame_count;
-			struct dentry *failed_count;
-			struct dentry *retry_count;
-			struct dentry *multiple_retry_count;
-			struct dentry *frame_duplicate_count;
-			struct dentry *received_fragment_count;
-			struct dentry *multicast_received_frame_count;
-			struct dentry *transmitted_frame_count;
-			struct dentry *wep_undecryptable_count;
-			struct dentry *num_scans;
-#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
-			struct dentry *tx_handlers_drop;
-			struct dentry *tx_handlers_queued;
-			struct dentry *tx_handlers_drop_unencrypted;
-			struct dentry *tx_handlers_drop_fragment;
-			struct dentry *tx_handlers_drop_wep;
-			struct dentry *tx_handlers_drop_not_assoc;
-			struct dentry *tx_handlers_drop_unauth_port;
-			struct dentry *rx_handlers_drop;
-			struct dentry *rx_handlers_queued;
-			struct dentry *rx_handlers_drop_nullfunc;
-			struct dentry *rx_handlers_drop_defrag;
-			struct dentry *rx_handlers_drop_short;
-			struct dentry *rx_handlers_drop_passive_scan;
-			struct dentry *tx_expand_skb_head;
-			struct dentry *tx_expand_skb_head_cloned;
-			struct dentry *rx_expand_skb_head;
-			struct dentry *rx_expand_skb_head2;
-			struct dentry *rx_handlers_fragments;
-			struct dentry *tx_status_drop;
-#endif
-			struct dentry *dot11ACKFailureCount;
-			struct dentry *dot11RTSFailureCount;
-			struct dentry *dot11FCSErrorCount;
-			struct dentry *dot11RTSSuccessCount;
-		} stats;
 		struct dentry *stations;
 		struct dentry *keys;
 	} debugfs;
diff --git a/net/mac80211/key.h b/net/mac80211/key.h
index 9572e00f532..a49f93b79e9 100644
--- a/net/mac80211/key.h
+++ b/net/mac80211/key.h
@@ -118,18 +118,6 @@ struct ieee80211_key {
 	struct {
 		struct dentry *stalink;
 		struct dentry *dir;
-		struct dentry *keylen;
-		struct dentry *flags;
-		struct dentry *keyidx;
-		struct dentry *hw_key_idx;
-		struct dentry *tx_rx_count;
-		struct dentry *algorithm;
-		struct dentry *tx_spec;
-		struct dentry *rx_spec;
-		struct dentry *replays;
-		struct dentry *icverrors;
-		struct dentry *key;
-		struct dentry *ifindex;
 		int cnt;
 	} debugfs;
 #endif
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 797f53942e5..4e80213d6c7 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -923,7 +923,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
  fail_wep:
 	sta_info_stop(local);
  fail_sta_info:
-	debugfs_hw_del(local);
 	destroy_workqueue(local->workqueue);
  fail_workqueue:
 	wiphy_unregister(local->hw.wiphy);
@@ -959,7 +958,6 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
 	ieee80211_clear_tx_pending(local);
 	sta_info_stop(local);
 	rate_control_deinitialize(local);
-	debugfs_hw_del(local);
 
 	if (skb_queue_len(&local->skb_queue)
 			|| skb_queue_len(&local->skb_queue_unreliable))
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index b33efc4fc26..ccda7454fb1 100644
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -163,8 +163,7 @@ struct rate_control_ref *rate_control_alloc(const char *name,
 #ifdef CONFIG_MAC80211_DEBUGFS
 	debugfsdir = debugfs_create_dir("rc", local->hw.wiphy->debugfsdir);
 	local->debugfs.rcdir = debugfsdir;
-	local->debugfs.rcname = debugfs_create_file("name", 0400, debugfsdir,
-						    ref, &rcname_ops);
+	debugfs_create_file("name", 0400, debugfsdir, ref, &rcname_ops);
 #endif
 
 	ref->priv = ref->ops->alloc(&local->hw, debugfsdir);
@@ -188,9 +187,7 @@ static void rate_control_release(struct kref *kref)
 	ctrl_ref->ops->free(ctrl_ref->priv);
 
 #ifdef CONFIG_MAC80211_DEBUGFS
-	debugfs_remove(ctrl_ref->local->debugfs.rcname);
-	ctrl_ref->local->debugfs.rcname = NULL;
-	debugfs_remove(ctrl_ref->local->debugfs.rcdir);
+	debugfs_remove_recursive(ctrl_ref->local->debugfs.rcdir);
 	ctrl_ref->local->debugfs.rcdir = NULL;
 #endif
 
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index ccc3adf962c..b3686c870b5 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -301,28 +301,6 @@ struct sta_info {
 #ifdef CONFIG_MAC80211_DEBUGFS
 	struct sta_info_debugfsdentries {
 		struct dentry *dir;
-		struct dentry *flags;
-		struct dentry *num_ps_buf_frames;
-		struct dentry *inactive_ms;
-		struct dentry *last_seq_ctrl;
-		struct dentry *agg_status;
-		struct dentry *aid;
-		struct dentry *dev;
-		struct dentry *rx_packets;
-		struct dentry *tx_packets;
-		struct dentry *rx_bytes;
-		struct dentry *tx_bytes;
-		struct dentry *rx_duplicates;
-		struct dentry *rx_fragments;
-		struct dentry *rx_dropped;
-		struct dentry *tx_fragments;
-		struct dentry *tx_filtered;
-		struct dentry *tx_retry_failed;
-		struct dentry *tx_retry_count;
-		struct dentry *last_signal;
-		struct dentry *last_qual;
-		struct dentry *last_noise;
-		struct dentry *wep_weak_iv_count;
 		bool add_has_run;
 	} debugfs;
 #endif
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 07252967be9..02835172b22 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -546,7 +546,7 @@ void wiphy_unregister(struct wiphy *wiphy)
 	 * First remove the hardware from everywhere, this makes
 	 * it impossible to find from userspace.
 	 */
-	cfg80211_debugfs_rdev_del(rdev);
+	debugfs_remove_recursive(rdev->wiphy.debugfsdir);
 	list_del(&rdev->list);
 
 	/*
@@ -569,7 +569,6 @@ void wiphy_unregister(struct wiphy *wiphy)
 
 	cfg80211_rdev_list_generation++;
 	device_del(&rdev->wiphy.dev);
-	debugfs_remove(rdev->wiphy.debugfsdir);
 
 	mutex_unlock(&cfg80211_mutex);
 
diff --git a/net/wireless/core.h b/net/wireless/core.h
index 68b321997d4..5aeebb9085f 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -72,17 +72,6 @@ struct cfg80211_registered_device {
 	/* current channel */
 	struct ieee80211_channel *channel;
 
-#ifdef CONFIG_CFG80211_DEBUGFS
-	/* Debugfs entries */
-	struct wiphy_debugfsdentries {
-		struct dentry *rts_threshold;
-		struct dentry *fragmentation_threshold;
-		struct dentry *short_retry_limit;
-		struct dentry *long_retry_limit;
-		struct dentry *ht40allow_map;
-	} debugfs;
-#endif
-
 	/* must be last because of the way we do wiphy_priv(),
 	 * and it should at least be aligned to NETDEV_ALIGN */
 	struct wiphy wiphy __attribute__((__aligned__(NETDEV_ALIGN)));
diff --git a/net/wireless/debugfs.c b/net/wireless/debugfs.c
index 13d93d84f90..2e489561503 100644
--- a/net/wireless/debugfs.c
+++ b/net/wireless/debugfs.c
@@ -104,11 +104,7 @@ static const struct file_operations ht40allow_map_ops = {
 };
 
 #define DEBUGFS_ADD(name)						\
-	rdev->debugfs.name = debugfs_create_file(#name, S_IRUGO, phyd,	\
-						  &rdev->wiphy, &name## _ops);
-#define DEBUGFS_DEL(name)						\
-	debugfs_remove(rdev->debugfs.name);				\
-	rdev->debugfs.name = NULL;
+	debugfs_create_file(#name, S_IRUGO, phyd, &rdev->wiphy, &name## _ops);
 
 void cfg80211_debugfs_rdev_add(struct cfg80211_registered_device *rdev)
 {
@@ -120,12 +116,3 @@ void cfg80211_debugfs_rdev_add(struct cfg80211_registered_device *rdev)
 	DEBUGFS_ADD(long_retry_limit);
 	DEBUGFS_ADD(ht40allow_map);
 }
-
-void cfg80211_debugfs_rdev_del(struct cfg80211_registered_device *rdev)
-{
-	DEBUGFS_DEL(rts_threshold);
-	DEBUGFS_DEL(fragmentation_threshold);
-	DEBUGFS_DEL(short_retry_limit);
-	DEBUGFS_DEL(long_retry_limit);
-	DEBUGFS_DEL(ht40allow_map);
-}
diff --git a/net/wireless/debugfs.h b/net/wireless/debugfs.h
index 6419b6d6ce3..74fdd381142 100644
--- a/net/wireless/debugfs.h
+++ b/net/wireless/debugfs.h
@@ -3,12 +3,9 @@
 
 #ifdef CONFIG_CFG80211_DEBUGFS
 void cfg80211_debugfs_rdev_add(struct cfg80211_registered_device *rdev);
-void cfg80211_debugfs_rdev_del(struct cfg80211_registered_device *rdev);
 #else
 static inline
 void cfg80211_debugfs_rdev_add(struct cfg80211_registered_device *rdev) {}
-static inline
-void cfg80211_debugfs_rdev_del(struct cfg80211_registered_device *rdev) {}
 #endif
 
 #endif /* __CFG80211_DEBUGFS_H */
-- 
GitLab


From ed620590de15021f6baf08ca098c90f47470efd7 Mon Sep 17 00:00:00 2001
From: Kalle Valo <kalle.valo@nokia.com>
Date: Tue, 27 Oct 2009 17:36:09 +0200
Subject: [PATCH 0738/1815] mac80211: refactor dynamic power save check

Refactor dynamic power save checks to a function of it's own for better
readibility. No functional changes.

Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/tx.c | 24 +++++++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index eaa4118de98..498cdd435d7 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1387,6 +1387,26 @@ static int ieee80211_skb_resize(struct ieee80211_local *local,
 	return 0;
 }
 
+static bool need_dynamic_ps(struct ieee80211_local *local)
+{
+	/* driver doesn't support power save */
+	if (!(local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK))
+		return false;
+
+	/* dynamic power save disabled */
+	if (local->hw.conf.dynamic_ps_timeout <= 0)
+		return false;
+
+	/* we are scanning, don't enable power save */
+	if (local->scanning)
+		return false;
+
+	if (!local->ps_sdata)
+		return false;
+
+	return true;
+}
+
 static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
 			   struct sk_buff *skb)
 {
@@ -1399,9 +1419,7 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
 
 	dev_hold(sdata->dev);
 
-	if ((local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) &&
-	    local->hw.conf.dynamic_ps_timeout > 0 &&
-	    !(local->scanning) && local->ps_sdata) {
+	if (need_dynamic_ps(local)) {
 		if (local->hw.conf.flags & IEEE80211_CONF_PS) {
 			ieee80211_stop_queues_by_reason(&local->hw,
 					IEEE80211_QUEUE_STOP_REASON_PS);
-- 
GitLab


From a9685338ab9d331c25ca92b0e8a92631e14c6b45 Mon Sep 17 00:00:00 2001
From: Kalle Valo <kalle.valo@nokia.com>
Date: Tue, 27 Oct 2009 17:36:17 +0200
Subject: [PATCH 0739/1815] mac80211: fix dynamic power save for devices with
 nullfunc support in hw

In TX path it was assumed that dynamic power save works only if
IEEE80211_HW_PS_NULLFUNC_STACK is set. But is not the case, there are
devices which have nullfunc support in hardware but need mac80211
to handle dynamic power save timers, TI's wl1251 is one of them.

The fix is to not check for IEEE80211_HW_PS_NULLFUNC_STACK in
is_dynamic_ps_enabled(), instead check IEEE80211_HW_SUPPORTS_PS and
IEEE80211_HW_SUPPORTS_DYNAMIC_PS flags and act accordingly.

Tested with wl1251.

Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/tx.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 498cdd435d7..cb06d8e5649 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1390,7 +1390,11 @@ static int ieee80211_skb_resize(struct ieee80211_local *local,
 static bool need_dynamic_ps(struct ieee80211_local *local)
 {
 	/* driver doesn't support power save */
-	if (!(local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK))
+	if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
+		return false;
+
+	/* hardware does dynamic power save */
+	if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
 		return false;
 
 	/* dynamic power save disabled */
-- 
GitLab


From 8c8746f9db8b1f644695050703e2d38cd5964ba7 Mon Sep 17 00:00:00 2001
From: Kalle Valo <kalle.valo@nokia.com>
Date: Tue, 27 Oct 2009 17:36:25 +0200
Subject: [PATCH 0740/1815] wl1251: enable power save

wl1251 supports power save and it can be enabled now.

Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1251_main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/wl12xx/wl1251_main.c b/drivers/net/wireless/wl12xx/wl1251_main.c
index 48b0bfd6c55..da3bf1cebc0 100644
--- a/drivers/net/wireless/wl12xx/wl1251_main.c
+++ b/drivers/net/wireless/wl12xx/wl1251_main.c
@@ -1311,7 +1311,8 @@ int wl1251_init_ieee80211(struct wl1251 *wl)
 	wl->hw->channel_change_time = 10000;
 
 	wl->hw->flags = IEEE80211_HW_SIGNAL_DBM |
-		IEEE80211_HW_NOISE_DBM;
+		IEEE80211_HW_NOISE_DBM |
+		IEEE80211_HW_SUPPORTS_PS;
 
 	wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
 	wl->hw->wiphy->max_scan_ssids = 1;
-- 
GitLab


From 2da4f01a0938b688f92f9ee380013cfb8653510f Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Tue, 27 Oct 2009 12:59:33 -0400
Subject: [PATCH 0741/1815] ath9k_hw: move mac name and rf name helpers to hw
 code

These are shared between ath9k and the future ath9k_htc driver.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/ahb.c  |  5 ++-
 drivers/net/wireless/ath/ath9k/hw.c   | 62 +++++++++++++++++++++++++++
 drivers/net/wireless/ath/ath9k/hw.h   |  3 ++
 drivers/net/wireless/ath/ath9k/main.c | 58 -------------------------
 drivers/net/wireless/ath/ath9k/pci.c  |  5 ++-
 5 files changed, 71 insertions(+), 62 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ahb.c b/drivers/net/wireless/ath/ath9k/ahb.c
index 25531f231b6..41422c44969 100644
--- a/drivers/net/wireless/ath/ath9k/ahb.c
+++ b/drivers/net/wireless/ath/ath9k/ahb.c
@@ -137,9 +137,10 @@ static int ath_ahb_probe(struct platform_device *pdev)
 	       "%s: Atheros AR%s MAC/BB Rev:%x, "
 	       "AR%s RF Rev:%x, mem=0x%lx, irq=%d\n",
 	       wiphy_name(hw->wiphy),
-	       ath_mac_bb_name(ah->hw_version.macVersion),
+	       ath9k_hw_mac_bb_name(ah->hw_version.macVersion),
 	       ah->hw_version.macRev,
-	       ath_rf_name((ah->hw_version.analog5GhzRev & AR_RADIO_SREV_MAJOR)),
+	       ath9k_hw_rf_name((ah->hw_version.analog5GhzRev &
+				 AR_RADIO_SREV_MAJOR)),
 	       ah->hw_version.phyRev,
 	       (unsigned long)mem, irq);
 
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index cab17c6c8a3..bba923135b0 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -4350,3 +4350,65 @@ void ath_gen_timer_isr(struct ath_hw *ah)
 	}
 }
 EXPORT_SYMBOL(ath_gen_timer_isr);
+
+static struct {
+	u32 version;
+	const char * name;
+} ath_mac_bb_names[] = {
+	/* Devices with external radios */
+	{ AR_SREV_VERSION_5416_PCI,	"5416" },
+	{ AR_SREV_VERSION_5416_PCIE,	"5418" },
+	{ AR_SREV_VERSION_9100,		"9100" },
+	{ AR_SREV_VERSION_9160,		"9160" },
+	/* Single-chip solutions */
+	{ AR_SREV_VERSION_9280,		"9280" },
+	{ AR_SREV_VERSION_9285,		"9285" },
+	{ AR_SREV_VERSION_9287,         "9287" }
+};
+
+/* For devices with external radios */
+static struct {
+	u16 version;
+	const char * name;
+} ath_rf_names[] = {
+	{ 0,				"5133" },
+	{ AR_RAD5133_SREV_MAJOR,	"5133" },
+	{ AR_RAD5122_SREV_MAJOR,	"5122" },
+	{ AR_RAD2133_SREV_MAJOR,	"2133" },
+	{ AR_RAD2122_SREV_MAJOR,	"2122" }
+};
+
+/*
+ * Return the MAC/BB name. "????" is returned if the MAC/BB is unknown.
+ */
+const char *ath9k_hw_mac_bb_name(u32 mac_bb_version)
+{
+	int i;
+
+	for (i=0; i<ARRAY_SIZE(ath_mac_bb_names); i++) {
+		if (ath_mac_bb_names[i].version == mac_bb_version) {
+			return ath_mac_bb_names[i].name;
+		}
+	}
+
+	return "????";
+}
+EXPORT_SYMBOL(ath9k_hw_mac_bb_name);
+
+/*
+ * Return the RF name. "????" is returned if the RF is unknown.
+ * Used for devices with external radios.
+ */
+const char *ath9k_hw_rf_name(u16 rf_version)
+{
+	int i;
+
+	for (i=0; i<ARRAY_SIZE(ath_rf_names); i++) {
+		if (ath_rf_names[i].version == rf_version) {
+			return ath_rf_names[i].name;
+		}
+	}
+
+	return "????";
+}
+EXPORT_SYMBOL(ath9k_hw_rf_name);
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index cdaec526db3..979a594f93d 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -704,6 +704,9 @@ void ath_gen_timer_free(struct ath_hw *ah, struct ath_gen_timer *timer);
 void ath_gen_timer_isr(struct ath_hw *hw);
 u32 ath9k_hw_gettsf32(struct ath_hw *ah);
 
+const char *ath9k_hw_mac_bb_name(u32 mac_bb_version);
+const char *ath9k_hw_rf_name(u16 rf_version);
+
 #define ATH_PCIE_CAP_LINK_CTRL	0x70
 #define ATH_PCIE_CAP_LINK_L0S	1
 #define ATH_PCIE_CAP_LINK_L1	2
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 69cf702b18c..9fefc51aec1 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -3191,64 +3191,6 @@ struct ieee80211_ops ath9k_ops = {
 	.rfkill_poll        = ath9k_rfkill_poll_state,
 };
 
-static struct {
-	u32 version;
-	const char * name;
-} ath_mac_bb_names[] = {
-	{ AR_SREV_VERSION_5416_PCI,	"5416" },
-	{ AR_SREV_VERSION_5416_PCIE,	"5418" },
-	{ AR_SREV_VERSION_9100,		"9100" },
-	{ AR_SREV_VERSION_9160,		"9160" },
-	{ AR_SREV_VERSION_9280,		"9280" },
-	{ AR_SREV_VERSION_9285,		"9285" },
-	{ AR_SREV_VERSION_9287,         "9287" }
-};
-
-static struct {
-	u16 version;
-	const char * name;
-} ath_rf_names[] = {
-	{ 0,				"5133" },
-	{ AR_RAD5133_SREV_MAJOR,	"5133" },
-	{ AR_RAD5122_SREV_MAJOR,	"5122" },
-	{ AR_RAD2133_SREV_MAJOR,	"2133" },
-	{ AR_RAD2122_SREV_MAJOR,	"2122" }
-};
-
-/*
- * Return the MAC/BB name. "????" is returned if the MAC/BB is unknown.
- */
-const char *
-ath_mac_bb_name(u32 mac_bb_version)
-{
-	int i;
-
-	for (i=0; i<ARRAY_SIZE(ath_mac_bb_names); i++) {
-		if (ath_mac_bb_names[i].version == mac_bb_version) {
-			return ath_mac_bb_names[i].name;
-		}
-	}
-
-	return "????";
-}
-
-/*
- * Return the RF name. "????" is returned if the RF is unknown.
- */
-const char *
-ath_rf_name(u16 rf_version)
-{
-	int i;
-
-	for (i=0; i<ARRAY_SIZE(ath_rf_names); i++) {
-		if (ath_rf_names[i].version == rf_version) {
-			return ath_rf_names[i].name;
-		}
-	}
-
-	return "????";
-}
-
 static int __init ath9k_init(void)
 {
 	int error;
diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
index 63059b6a90d..76f3890d0a9 100644
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -222,9 +222,10 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	       "%s: Atheros AR%s MAC/BB Rev:%x "
 	       "AR%s RF Rev:%x: mem=0x%lx, irq=%d\n",
 	       wiphy_name(hw->wiphy),
-	       ath_mac_bb_name(ah->hw_version.macVersion),
+	       ath9k_hw_mac_bb_name(ah->hw_version.macVersion),
 	       ah->hw_version.macRev,
-	       ath_rf_name((ah->hw_version.analog5GhzRev & AR_RADIO_SREV_MAJOR)),
+	       ath9k_hw_rf_name((ah->hw_version.analog5GhzRev &
+				 AR_RADIO_SREV_MAJOR)),
 	       ah->hw_version.phyRev,
 	       (unsigned long)mem, pdev->irq);
 
-- 
GitLab


From f934c4d9de85571ff792360aa72dd26e00e1afc7 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Tue, 27 Oct 2009 12:59:34 -0400
Subject: [PATCH 0742/1815] ath9k_hw: distinguish single-chip solutions on
 initial probe print

Devices with external radios have revisions which we can count on.
On single chip solutions these EEPROM values for these radio revision
also exist but are not meaningful as the radios are embedded onto the
same chip. Each single-chip device evolves together as one device.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/ahb.c | 11 ++++------
 drivers/net/wireless/ath/ath9k/hw.c  | 31 ++++++++++++++++++++++++----
 drivers/net/wireless/ath/ath9k/hw.h  |  3 +--
 drivers/net/wireless/ath/ath9k/pci.c | 11 ++++------
 4 files changed, 36 insertions(+), 20 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ahb.c b/drivers/net/wireless/ath/ath9k/ahb.c
index 41422c44969..329e6bc137a 100644
--- a/drivers/net/wireless/ath/ath9k/ahb.c
+++ b/drivers/net/wireless/ath/ath9k/ahb.c
@@ -69,6 +69,7 @@ static int ath_ahb_probe(struct platform_device *pdev)
 	int irq;
 	int ret = 0;
 	struct ath_hw *ah;
+	char hw_name[64];
 
 	if (!pdev->dev.platform_data) {
 		dev_err(&pdev->dev, "no platform data specified\n");
@@ -133,15 +134,11 @@ static int ath_ahb_probe(struct platform_device *pdev)
 	}
 
 	ah = sc->sc_ah;
+	ath9k_hw_name(ah, hw_name, sizeof(hw_name));
 	printk(KERN_INFO
-	       "%s: Atheros AR%s MAC/BB Rev:%x, "
-	       "AR%s RF Rev:%x, mem=0x%lx, irq=%d\n",
+	       "%s: %s mem=0x%lx, irq=%d\n",
 	       wiphy_name(hw->wiphy),
-	       ath9k_hw_mac_bb_name(ah->hw_version.macVersion),
-	       ah->hw_version.macRev,
-	       ath9k_hw_rf_name((ah->hw_version.analog5GhzRev &
-				 AR_RADIO_SREV_MAJOR)),
-	       ah->hw_version.phyRev,
+	       hw_name,
 	       (unsigned long)mem, irq);
 
 	return 0;
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index bba923135b0..5d7a5b177a3 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -4381,7 +4381,7 @@ static struct {
 /*
  * Return the MAC/BB name. "????" is returned if the MAC/BB is unknown.
  */
-const char *ath9k_hw_mac_bb_name(u32 mac_bb_version)
+static const char *ath9k_hw_mac_bb_name(u32 mac_bb_version)
 {
 	int i;
 
@@ -4393,13 +4393,12 @@ const char *ath9k_hw_mac_bb_name(u32 mac_bb_version)
 
 	return "????";
 }
-EXPORT_SYMBOL(ath9k_hw_mac_bb_name);
 
 /*
  * Return the RF name. "????" is returned if the RF is unknown.
  * Used for devices with external radios.
  */
-const char *ath9k_hw_rf_name(u16 rf_version)
+static const char *ath9k_hw_rf_name(u16 rf_version)
 {
 	int i;
 
@@ -4411,4 +4410,28 @@ const char *ath9k_hw_rf_name(u16 rf_version)
 
 	return "????";
 }
-EXPORT_SYMBOL(ath9k_hw_rf_name);
+
+void ath9k_hw_name(struct ath_hw *ah, char *hw_name, size_t len)
+{
+	int used;
+
+	/* chipsets >= AR9280 are single-chip */
+	if (AR_SREV_9280_10_OR_LATER(ah)) {
+		used = snprintf(hw_name, len,
+			       "Atheros AR%s Rev:%x",
+			       ath9k_hw_mac_bb_name(ah->hw_version.macVersion),
+			       ah->hw_version.macRev);
+	}
+	else {
+		used = snprintf(hw_name, len,
+			       "Atheros AR%s MAC/BB Rev:%x AR%s RF Rev:%x",
+			       ath9k_hw_mac_bb_name(ah->hw_version.macVersion),
+			       ah->hw_version.macRev,
+			       ath9k_hw_rf_name((ah->hw_version.analog5GhzRev &
+						AR_RADIO_SREV_MAJOR)),
+			       ah->hw_version.phyRev);
+	}
+
+	hw_name[used] = '\0';
+}
+EXPORT_SYMBOL(ath9k_hw_name);
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 979a594f93d..33a5aec1856 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -704,8 +704,7 @@ void ath_gen_timer_free(struct ath_hw *ah, struct ath_gen_timer *timer);
 void ath_gen_timer_isr(struct ath_hw *hw);
 u32 ath9k_hw_gettsf32(struct ath_hw *ah);
 
-const char *ath9k_hw_mac_bb_name(u32 mac_bb_version);
-const char *ath9k_hw_rf_name(u16 rf_version);
+void ath9k_hw_name(struct ath_hw *ah, char *hw_name, size_t len);
 
 #define ATH_PCIE_CAP_LINK_CTRL	0x70
 #define ATH_PCIE_CAP_LINK_L0S	1
diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
index 76f3890d0a9..5321f735e5a 100644
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -114,6 +114,7 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	u32 val;
 	int ret = 0;
 	struct ath_hw *ah;
+	char hw_name[64];
 
 	if (pci_enable_device(pdev))
 		return -EIO;
@@ -218,15 +219,11 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	sc->irq = pdev->irq;
 
 	ah = sc->sc_ah;
+	ath9k_hw_name(ah, hw_name, sizeof(hw_name));
 	printk(KERN_INFO
-	       "%s: Atheros AR%s MAC/BB Rev:%x "
-	       "AR%s RF Rev:%x: mem=0x%lx, irq=%d\n",
+	       "%s: %s mem=0x%lx, irq=%d\n",
 	       wiphy_name(hw->wiphy),
-	       ath9k_hw_mac_bb_name(ah->hw_version.macVersion),
-	       ah->hw_version.macRev,
-	       ath9k_hw_rf_name((ah->hw_version.analog5GhzRev &
-				 AR_RADIO_SREV_MAJOR)),
-	       ah->hw_version.phyRev,
+	       hw_name,
 	       (unsigned long)mem, pdev->irq);
 
 	return 0;
-- 
GitLab


From 11158472c4ea7a4817d85912c491afa36a244192 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Tue, 27 Oct 2009 12:59:35 -0400
Subject: [PATCH 0743/1815] ath9k_hw: add AR9271 single chip name mapping

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 5d7a5b177a3..ea6965134c0 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -4363,7 +4363,8 @@ static struct {
 	/* Single-chip solutions */
 	{ AR_SREV_VERSION_9280,		"9280" },
 	{ AR_SREV_VERSION_9285,		"9285" },
-	{ AR_SREV_VERSION_9287,         "9287" }
+	{ AR_SREV_VERSION_9287,         "9287" },
+	{ AR_SREV_VERSION_9271,         "9271" },
 };
 
 /* For devices with external radios */
-- 
GitLab


From ec11bb88f977321f117865b4d21079bbacc474ee Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Tue, 27 Oct 2009 12:59:36 -0400
Subject: [PATCH 0744/1815] ath9k_hw: correct AR_PHY_SPECTRAL_SCAN register
 offset

We had 0x9912 but AR_PHY_SPECTRAL_SCAN is 0x9910. By using the
0x9912 we were making the hardware unresponsive. This allows us
to move forward with hardware reset on ar9271 on the ath9k_htc
driver.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.c  |  3 ++-
 drivers/net/wireless/ath/ath9k/phy.h | 16 ++++++++++++++--
 2 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index ea6965134c0..2fbadbee1aa 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1274,7 +1274,8 @@ static void ath9k_hw_override_ini(struct ath_hw *ah,
 		 * AR9271 1.1
 		 */
 		if (AR_SREV_9271_10(ah)) {
-			val = REG_READ(ah, AR_PHY_SPECTRAL_SCAN) | AR_PHY_SPECTRAL_SCAN_ENABLE;
+			val = REG_READ(ah, AR_PHY_SPECTRAL_SCAN) |
+			      AR_PHY_SPECTRAL_SCAN_ENABLE;
 			REG_WRITE(ah, AR_PHY_SPECTRAL_SCAN, val);
 		}
 		else if (AR_SREV_9271_11(ah))
diff --git a/drivers/net/wireless/ath/ath9k/phy.h b/drivers/net/wireless/ath/ath9k/phy.h
index 140fef74c66..b64bc69d7bb 100644
--- a/drivers/net/wireless/ath/ath9k/phy.h
+++ b/drivers/net/wireless/ath/ath9k/phy.h
@@ -186,8 +186,20 @@ bool ath9k_hw_init_rf(struct ath_hw *ah,
 #define AR_PHY_PLL_CTL_44_2133  0xeb
 #define AR_PHY_PLL_CTL_40_2133  0xea
 
-#define AR_PHY_SPECTRAL_SCAN		0x9912
-#define AR_PHY_SPECTRAL_SCAN_ENABLE	0x1
+#define AR_PHY_SPECTRAL_SCAN			0x9910  /* AR9280 spectral scan configuration register */
+#define	AR_PHY_SPECTRAL_SCAN_ENABLE		0x1
+#define AR_PHY_SPECTRAL_SCAN_ENA		0x00000001  /* Enable spectral scan, reg 68, bit 0 */
+#define AR_PHY_SPECTRAL_SCAN_ENA_S		0  /* Enable spectral scan, reg 68, bit 0 */
+#define AR_PHY_SPECTRAL_SCAN_ACTIVE		0x00000002  /* Activate spectral scan reg 68, bit 1*/
+#define AR_PHY_SPECTRAL_SCAN_ACTIVE_S		1  /* Activate spectral scan reg 68, bit 1*/
+#define AR_PHY_SPECTRAL_SCAN_FFT_PERIOD		0x000000F0  /* Interval for FFT reports, reg 68, bits 4-7*/
+#define AR_PHY_SPECTRAL_SCAN_FFT_PERIOD_S	4
+#define AR_PHY_SPECTRAL_SCAN_PERIOD		0x0000FF00  /* Interval for FFT reports, reg 68, bits 8-15*/
+#define AR_PHY_SPECTRAL_SCAN_PERIOD_S		8
+#define AR_PHY_SPECTRAL_SCAN_COUNT		0x00FF0000  /* Number of reports, reg 68, bits 16-23*/
+#define AR_PHY_SPECTRAL_SCAN_COUNT_S		16
+#define AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT	0x01000000  /* Short repeat, reg 68, bit 24*/
+#define AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT_S	24  /* Short repeat, reg 68, bit 24*/
 
 #define AR_PHY_RX_DELAY           0x9914
 #define AR_PHY_SEARCH_START_DELAY 0x9918
-- 
GitLab


From 1d9c185d67e61737562befdc6b0c4f19b6a85be6 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Tue, 27 Oct 2009 12:59:37 -0400
Subject: [PATCH 0745/1815] ath9k_hw: remove bogus register write on
 ath9k_hw_9271_pa_cal()

An extra register was being written to for PA calibration
making the hardware unresponsive, remove it. Hardware
reset should now complete fine on ar9271.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/calib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c
index 551f8801459..238a5744d8e 100644
--- a/drivers/net/wireless/ath/ath9k/calib.c
+++ b/drivers/net/wireless/ath/ath9k/calib.c
@@ -877,7 +877,7 @@ static void ath9k_hw_9271_pa_cal(struct ath_hw *ah, bool is_reset)
 	REG_RMW_FIELD(ah, AR9285_AN_RF2G6, AR9271_AN_RF2G6_OFFS, 0);
 
 	/* find off_6_1; */
-	for (i = 6; i >= 0; i--) {
+	for (i = 6; i > 0; i--) {
 		regVal = REG_READ(ah, 0x7834);
 		regVal |= (1 << (20 + i));
 		REG_WRITE(ah, 0x7834, regVal);
-- 
GitLab


From d130eb498c75095297debbca596b19fcdc823924 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Tue, 27 Oct 2009 20:53:58 +0100
Subject: [PATCH 0746/1815] mac80211_hwsim: don't register CCK rates on 5ghz

This buglet confused me a lot just now ...

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mac80211_hwsim.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 38cfd79e059..d2b2e5e739b 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -1045,19 +1045,20 @@ static int __init init_mac80211_hwsim(void)
 				sband->channels = data->channels_2ghz;
 				sband->n_channels =
 					ARRAY_SIZE(hwsim_channels_2ghz);
+				sband->bitrates = data->rates;
+				sband->n_bitrates = ARRAY_SIZE(hwsim_rates);
 				break;
 			case IEEE80211_BAND_5GHZ:
 				sband->channels = data->channels_5ghz;
 				sband->n_channels =
 					ARRAY_SIZE(hwsim_channels_5ghz);
+				sband->bitrates = data->rates + 4;
+				sband->n_bitrates = ARRAY_SIZE(hwsim_rates) - 4;
 				break;
 			default:
 				break;
 			}
 
-			sband->bitrates = data->rates;
-			sband->n_bitrates = ARRAY_SIZE(hwsim_rates);
-
 			sband->ht_cap.ht_supported = true;
 			sband->ht_cap.cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
 				IEEE80211_HT_CAP_GRN_FLD |
-- 
GitLab


From b59f04cbf8ab4dce63f0d2ed658624b0ad21c67d Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Tue, 27 Oct 2009 20:56:21 +0100
Subject: [PATCH 0747/1815] mac80211: remove outdated comment

This comment hasn't been a real TODO item for a long
time now since we fixed that quite a while ago.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/scan.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 7a350d2690a..1a643fe5250 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -12,8 +12,6 @@
  * published by the Free Software Foundation.
  */
 
-/* TODO: figure out how to avoid that the "current BSS" expires */
-
 #include <linux/wireless.h>
 #include <linux/if_arp.h>
 #include <linux/rtnetlink.h>
-- 
GitLab


From 4d36ec58239eec44d77839ef6c25108efcbbb58c Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Tue, 27 Oct 2009 20:59:55 +0100
Subject: [PATCH 0748/1815] mac80211: split hardware scan by band

There's currently a very odd bug in mac80211 -- a
hardware scan that is done while the hardware is
really operating on 2.4 GHz will include CCK rates
in the probe request frame, even on 5 GHz (if the
driver uses the mac80211 IEs). Vice versa, if the
hardware is operating on 5 GHz the 2.4 GHz probe
requests will not include CCK rates even though
they should.

Fix this by splitting up cfg80211 scan requests by
band -- recalculating the IEs every time -- and
requesting only per-band scans from the driver.

Apparently this bug hasn't been a problem yet, but
it is imaginable that some older access points get
confused if confronted with such behaviour.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/ieee80211_i.h |  8 ++--
 net/mac80211/scan.c        | 96 ++++++++++++++++++++++++++++----------
 net/mac80211/util.c        |  8 ++--
 3 files changed, 80 insertions(+), 32 deletions(-)

diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 60c2822802f..6365079e637 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -667,10 +667,9 @@ struct ieee80211_local {
 	unsigned long scanning;
 	struct cfg80211_ssid scan_ssid;
 	struct cfg80211_scan_request *int_scan_req;
-	struct cfg80211_scan_request *scan_req;
+	struct cfg80211_scan_request *scan_req, *hw_scan_req;
 	struct ieee80211_channel *scan_channel;
-	const u8 *orig_ies;
-	int orig_ies_len;
+	enum ieee80211_band hw_scan_band;
 	int scan_channel_idx;
 	int scan_ies_len;
 
@@ -1050,7 +1049,8 @@ void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
 			 u8 *extra, size_t extra_len, const u8 *bssid,
 			 const u8 *key, u8 key_len, u8 key_idx);
 int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
-			     const u8 *ie, size_t ie_len);
+			     const u8 *ie, size_t ie_len,
+			     enum ieee80211_band band);
 void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
 			      const u8 *ssid, size_t ssid_len,
 			      const u8 *ie, size_t ie_len);
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 1a643fe5250..c46ac01e2a8 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -187,6 +187,39 @@ ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)
 	return RX_QUEUED;
 }
 
+/* return false if no more work */
+static bool ieee80211_prep_hw_scan(struct ieee80211_local *local)
+{
+	struct cfg80211_scan_request *req = local->scan_req;
+	enum ieee80211_band band;
+	int i, ielen, n_chans;
+
+	do {
+		if (local->hw_scan_band == IEEE80211_NUM_BANDS)
+			return false;
+
+		band = local->hw_scan_band;
+		n_chans = 0;
+		for (i = 0; i < req->n_channels; i++) {
+			if (req->channels[i]->band == band) {
+				local->hw_scan_req->channels[n_chans] =
+							req->channels[i];
+				n_chans++;
+			}
+		}
+
+		local->hw_scan_band++;
+	} while (!n_chans);
+
+	local->hw_scan_req->n_channels = n_chans;
+
+	ielen = ieee80211_build_preq_ies(local, (u8 *)local->hw_scan_req->ie,
+					 req->ie, req->ie_len, band);
+	local->hw_scan_req->ie_len = ielen;
+
+	return true;
+}
+
 /*
  * inform AP that we will go to sleep so that it will buffer the frames
  * while we scan
@@ -247,13 +280,6 @@ static void ieee80211_scan_ps_disable(struct ieee80211_sub_if_data *sdata)
 	}
 }
 
-static void ieee80211_restore_scan_ies(struct ieee80211_local *local)
-{
-	kfree(local->scan_req->ie);
-	local->scan_req->ie = local->orig_ies;
-	local->scan_req->ie_len = local->orig_ies_len;
-}
-
 void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
 {
 	struct ieee80211_local *local = hw_to_local(hw);
@@ -272,15 +298,22 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
 		return;
 	}
 
-	if (test_bit(SCAN_HW_SCANNING, &local->scanning))
-		ieee80211_restore_scan_ies(local);
+	was_hw_scan = test_bit(SCAN_HW_SCANNING, &local->scanning);
+	if (was_hw_scan && !aborted && ieee80211_prep_hw_scan(local)) {
+		ieee80211_queue_delayed_work(&local->hw,
+					     &local->scan_work, 0);
+		mutex_unlock(&local->scan_mtx);
+		return;
+	}
+
+	kfree(local->hw_scan_req);
+	local->hw_scan_req = NULL;
 
 	if (local->scan_req != local->int_scan_req)
 		cfg80211_scan_done(local->scan_req, aborted);
 	local->scan_req = NULL;
 	local->scan_sdata = NULL;
 
-	was_hw_scan = test_bit(SCAN_HW_SCANNING, &local->scanning);
 	local->scanning = 0;
 	local->scan_channel = NULL;
 
@@ -392,19 +425,23 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
 
 	if (local->ops->hw_scan) {
 		u8 *ies;
-		int ielen;
 
-		ies = kmalloc(2 + IEEE80211_MAX_SSID_LEN +
-			      local->scan_ies_len + req->ie_len, GFP_KERNEL);
-		if (!ies)
+		local->hw_scan_req = kmalloc(
+				sizeof(*local->hw_scan_req) +
+				req->n_channels * sizeof(req->channels[0]) +
+				2 + IEEE80211_MAX_SSID_LEN + local->scan_ies_len +
+				req->ie_len, GFP_KERNEL);
+		if (!local->hw_scan_req)
 			return -ENOMEM;
 
-		ielen = ieee80211_build_preq_ies(local, ies,
-						 req->ie, req->ie_len);
-		local->orig_ies = req->ie;
-		local->orig_ies_len = req->ie_len;
-		req->ie = ies;
-		req->ie_len = ielen;
+		local->hw_scan_req->ssids = req->ssids;
+		local->hw_scan_req->n_ssids = req->n_ssids;
+		ies = (u8 *)local->hw_scan_req +
+			sizeof(*local->hw_scan_req) +
+			req->n_channels * sizeof(req->channels[0]);
+		local->hw_scan_req->ie = ies;
+
+		local->hw_scan_band = 0;
 	}
 
 	local->scan_req = req;
@@ -436,16 +473,17 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
 	ieee80211_recalc_idle(local);
 	mutex_unlock(&local->scan_mtx);
 
-	if (local->ops->hw_scan)
-		rc = drv_hw_scan(local, local->scan_req);
-	else
+	if (local->ops->hw_scan) {
+		WARN_ON(!ieee80211_prep_hw_scan(local));
+		rc = drv_hw_scan(local, local->hw_scan_req);
+	} else
 		rc = ieee80211_start_sw_scan(local);
 
 	mutex_lock(&local->scan_mtx);
 
 	if (rc) {
-		if (local->ops->hw_scan)
-			ieee80211_restore_scan_ies(local);
+		kfree(local->hw_scan_req);
+		local->hw_scan_req = NULL;
 		local->scanning = 0;
 
 		ieee80211_recalc_idle(local);
@@ -654,6 +692,14 @@ void ieee80211_scan_work(struct work_struct *work)
 		return;
 	}
 
+	if (local->hw_scan_req) {
+		int rc = drv_hw_scan(local, local->hw_scan_req);
+		mutex_unlock(&local->scan_mtx);
+		if (rc)
+			ieee80211_scan_completed(&local->hw, true);
+		return;
+	}
+
 	if (local->scan_req && !local->scanning) {
 		struct cfg80211_scan_request *req = local->scan_req;
 		int rc;
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index aeb65b3d229..aedbaaa067e 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -872,13 +872,14 @@ void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
 }
 
 int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
-			     const u8 *ie, size_t ie_len)
+			     const u8 *ie, size_t ie_len,
+			     enum ieee80211_band band)
 {
 	struct ieee80211_supported_band *sband;
 	u8 *pos, *supp_rates_len, *esupp_rates_len = NULL;
 	int i;
 
-	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+	sband = local->hw.wiphy->bands[band];
 
 	pos = buffer;
 
@@ -966,7 +967,8 @@ void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
 	memcpy(pos, ssid, ssid_len);
 	pos += ssid_len;
 
-	skb_put(skb, ieee80211_build_preq_ies(local, pos, ie, ie_len));
+	skb_put(skb, ieee80211_build_preq_ies(local, pos, ie, ie_len,
+					      local->hw.conf.channel->band));
 
 	ieee80211_tx_skb(sdata, skb, 0);
 }
-- 
GitLab


From 6a86b9c78ebd0397eb953493c68ea9e194e7023c Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Wed, 28 Oct 2009 09:58:52 +0100
Subject: [PATCH 0749/1815] mac80211: fix radiotap header generation

In

  commit 601ae7f25aea58f208a7f640f6174aac0652403a
  Author: Bruno Randolf <br1@einfach.org>
  Date:   Thu May 8 19:22:43 2008 +0200

      mac80211: make rx radiotap header more flexible

code was added that tried to align the radiotap header
position in memory based on the radiotap header length.
Quite obviously, that is completely useless.

Instead of trying to do that, use unaligned accesses
to generate the radiotap header. To properly do that,
we also need to mark struct ieee80211_radiotap_header
packed, but that is fine since it's already packed
(and it should be marked packed anyway since its a
wire format).

Cc: Bruno Randolf <br1@einfach.org>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 include/net/ieee80211_radiotap.h |  2 +-
 net/mac80211/rx.c                | 26 ++++++++++++--------------
 2 files changed, 13 insertions(+), 15 deletions(-)

diff --git a/include/net/ieee80211_radiotap.h b/include/net/ieee80211_radiotap.h
index 23c3f3d9777..9d3d86aaccb 100644
--- a/include/net/ieee80211_radiotap.h
+++ b/include/net/ieee80211_radiotap.h
@@ -80,7 +80,7 @@ struct ieee80211_radiotap_header {
 				 * Additional extensions are made
 				 * by setting bit 31.
 				 */
-};
+} __packed;
 
 /* Name                                 Data type    Units
  * ----                                 ---------    -----
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 5c385e3c1d1..01df328530a 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -95,10 +95,6 @@ ieee80211_rx_radiotap_len(struct ieee80211_local *local,
 	if (len & 1) /* padding for RX_FLAGS if necessary */
 		len++;
 
-	/* make sure radiotap starts at a naturally aligned address */
-	if (len % 8)
-		len = roundup(len, 8);
-
 	return len;
 }
 
@@ -116,6 +112,7 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
 	struct ieee80211_radiotap_header *rthdr;
 	unsigned char *pos;
+	u16 rx_flags = 0;
 
 	rthdr = (struct ieee80211_radiotap_header *)skb_push(skb, rtap_len);
 	memset(rthdr, 0, rtap_len);
@@ -134,7 +131,7 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
 
 	/* IEEE80211_RADIOTAP_TSFT */
 	if (status->flag & RX_FLAG_TSFT) {
-		*(__le64 *)pos = cpu_to_le64(status->mactime);
+		put_unaligned_le64(status->mactime, pos);
 		rthdr->it_present |=
 			cpu_to_le32(1 << IEEE80211_RADIOTAP_TSFT);
 		pos += 8;
@@ -166,17 +163,17 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
 	pos++;
 
 	/* IEEE80211_RADIOTAP_CHANNEL */
-	*(__le16 *)pos = cpu_to_le16(status->freq);
+	put_unaligned_le16(status->freq, pos);
 	pos += 2;
 	if (status->band == IEEE80211_BAND_5GHZ)
-		*(__le16 *)pos = cpu_to_le16(IEEE80211_CHAN_OFDM |
-					     IEEE80211_CHAN_5GHZ);
+		put_unaligned_le16(IEEE80211_CHAN_OFDM | IEEE80211_CHAN_5GHZ,
+				   pos);
 	else if (rate->flags & IEEE80211_RATE_ERP_G)
-		*(__le16 *)pos = cpu_to_le16(IEEE80211_CHAN_OFDM |
-					     IEEE80211_CHAN_2GHZ);
+		put_unaligned_le16(IEEE80211_CHAN_OFDM | IEEE80211_CHAN_2GHZ,
+				   pos);
 	else
-		*(__le16 *)pos = cpu_to_le16(IEEE80211_CHAN_CCK |
-					     IEEE80211_CHAN_2GHZ);
+		put_unaligned_le16(IEEE80211_CHAN_CCK | IEEE80211_CHAN_2GHZ,
+				   pos);
 	pos += 2;
 
 	/* IEEE80211_RADIOTAP_DBM_ANTSIGNAL */
@@ -205,10 +202,11 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
 
 	/* IEEE80211_RADIOTAP_RX_FLAGS */
 	/* ensure 2 byte alignment for the 2 byte field as required */
-	if ((pos - (unsigned char *)rthdr) & 1)
+	if ((pos - (u8 *)rthdr) & 1)
 		pos++;
 	if (status->flag & RX_FLAG_FAILED_PLCP_CRC)
-		*(__le16 *)pos |= cpu_to_le16(IEEE80211_RADIOTAP_F_RX_BADPLCP);
+		rx_flags |= IEEE80211_RADIOTAP_F_RX_BADPLCP;
+	put_unaligned_le16(rx_flags, pos);
 	pos += 2;
 }
 
-- 
GitLab


From 0869aea0eb711982cd2b8bebf41b3c0191c89cde Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Wed, 28 Oct 2009 10:03:35 +0100
Subject: [PATCH 0750/1815] mac80211: remove RX_FLAG_RADIOTAP

While there may be a case for a driver adding its
own bits of radiotap information, none currently
does. Also, drivers would have to copy the code
to generate the radiotap bits that now mac80211
generates. If some driver in the future needs to
add some driver-specific information I'd expect
that to be in a radiotap vendor namespace and we
can add a different way of passing such data up
and having mac80211 include it.

Additionally, rename IEEE80211_CONF_RADIOTAP to
IEEE80211_CONF_MONITOR since it's still used by
b43(legacy) to obtain per-frame timestamps.

The purpose of this patch is to simplify the RX
code in mac80211 to make it easier to add paged
skb support.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/b43/main.c       |  2 +-
 drivers/net/wireless/b43legacy/main.c |  2 +-
 include/net/mac80211.h                | 15 ++++++------
 net/mac80211/iface.c                  |  8 +++----
 net/mac80211/rx.c                     | 33 ++++++++++-----------------
 5 files changed, 25 insertions(+), 35 deletions(-)

diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index ed6e96a3474..c806924c7b5 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -3573,7 +3573,7 @@ static int b43_op_config(struct ieee80211_hw *hw, u32 changed)
 	if (conf->channel->hw_value != phy->channel)
 		b43_switch_channel(dev, conf->channel->hw_value);
 
-	dev->wl->radiotap_enabled = !!(conf->flags & IEEE80211_CONF_RADIOTAP);
+	dev->wl->radiotap_enabled = !!(conf->flags & IEEE80211_CONF_MONITOR);
 
 	/* Adjust the desired TX power level. */
 	if (conf->power_level != 0) {
diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c
index 0983406f463..d579bb9035c 100644
--- a/drivers/net/wireless/b43legacy/main.c
+++ b/drivers/net/wireless/b43legacy/main.c
@@ -2676,7 +2676,7 @@ static int b43legacy_op_dev_config(struct ieee80211_hw *hw,
 	if (conf->channel->hw_value != phy->channel)
 		b43legacy_radio_selectchannel(dev, conf->channel->hw_value, 0);
 
-	dev->wl->radiotap_enabled = !!(conf->flags & IEEE80211_CONF_RADIOTAP);
+	dev->wl->radiotap_enabled = !!(conf->flags & IEEE80211_CONF_MONITOR);
 
 	/* Adjust the desired TX power level. */
 	if (conf->power_level != 0) {
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index c42c4a820b8..2c9d3c719d8 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -494,7 +494,6 @@ ieee80211_tx_info_clear_status(struct ieee80211_tx_info *info)
  * @RX_FLAG_MMIC_ERROR: Michael MIC error was reported on this frame.
  *	Use together with %RX_FLAG_MMIC_STRIPPED.
  * @RX_FLAG_DECRYPTED: This frame was decrypted in hardware.
- * @RX_FLAG_RADIOTAP: This frame starts with a radiotap header.
  * @RX_FLAG_MMIC_STRIPPED: the Michael MIC is stripped off this frame,
  *	verification has been done by the hardware.
  * @RX_FLAG_IV_STRIPPED: The IV/ICV are stripped from this frame.
@@ -515,7 +514,6 @@ ieee80211_tx_info_clear_status(struct ieee80211_tx_info *info)
 enum mac80211_rx_flags {
 	RX_FLAG_MMIC_ERROR	= 1<<0,
 	RX_FLAG_DECRYPTED	= 1<<1,
-	RX_FLAG_RADIOTAP	= 1<<2,
 	RX_FLAG_MMIC_STRIPPED	= 1<<3,
 	RX_FLAG_IV_STRIPPED	= 1<<4,
 	RX_FLAG_FAILED_FCS_CRC	= 1<<5,
@@ -565,7 +563,9 @@ struct ieee80211_rx_status {
  *
  * Flags to define PHY configuration options
  *
- * @IEEE80211_CONF_RADIOTAP: add radiotap header at receive time (if supported)
+ * @IEEE80211_CONF_MONITOR: there's a monitor interface present -- use this
+ *	to determine for example whether to calculate timestamps for packets
+ *	or not, do not use instead of filter flags!
  * @IEEE80211_CONF_PS: Enable 802.11 power save mode (managed mode only)
  * @IEEE80211_CONF_IDLE: The device is running, but idle; if the flag is set
  *	the driver should be prepared to handle configuration requests but
@@ -574,7 +574,7 @@ struct ieee80211_rx_status {
  *	it can also be unset in that case when monitor interfaces are active.
  */
 enum ieee80211_conf_flags {
-	IEEE80211_CONF_RADIOTAP		= (1<<0),
+	IEEE80211_CONF_MONITOR		= (1<<0),
 	IEEE80211_CONF_PS		= (1<<1),
 	IEEE80211_CONF_IDLE		= (1<<2),
 };
@@ -584,7 +584,7 @@ enum ieee80211_conf_flags {
  * enum ieee80211_conf_changed - denotes which configuration changed
  *
  * @IEEE80211_CONF_CHANGE_LISTEN_INTERVAL: the listen interval changed
- * @IEEE80211_CONF_CHANGE_RADIOTAP: the radiotap flag changed
+ * @IEEE80211_CONF_CHANGE_MONITOR: the monitor flag changed
  * @IEEE80211_CONF_CHANGE_PS: the PS flag or dynamic PS timeout changed
  * @IEEE80211_CONF_CHANGE_POWER: the TX power changed
  * @IEEE80211_CONF_CHANGE_CHANNEL: the channel/channel_type changed
@@ -593,7 +593,7 @@ enum ieee80211_conf_flags {
  */
 enum ieee80211_conf_changed {
 	IEEE80211_CONF_CHANGE_LISTEN_INTERVAL	= BIT(2),
-	IEEE80211_CONF_CHANGE_RADIOTAP		= BIT(3),
+	IEEE80211_CONF_CHANGE_MONITOR		= BIT(3),
 	IEEE80211_CONF_CHANGE_PS		= BIT(4),
 	IEEE80211_CONF_CHANGE_POWER		= BIT(5),
 	IEEE80211_CONF_CHANGE_CHANNEL		= BIT(6),
@@ -1661,8 +1661,7 @@ void ieee80211_restart_hw(struct ieee80211_hw *hw);
  * ieee80211_rx - receive frame
  *
  * Use this function to hand received frames to mac80211. The receive
- * buffer in @skb must start with an IEEE 802.11 header or a radiotap
- * header if %RX_FLAG_RADIOTAP is set in the @status flags.
+ * buffer in @skb must start with an IEEE 802.11 header.
  *
  * This function may not be called in IRQ context. Calls to this function
  * for a single hardware must be synchronized against each other. Calls to
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 14f10eb91c5..8495161b99b 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -214,8 +214,8 @@ static int ieee80211_open(struct net_device *dev)
 		/* must be before the call to ieee80211_configure_filter */
 		local->monitors++;
 		if (local->monitors == 1) {
-			local->hw.conf.flags |= IEEE80211_CONF_RADIOTAP;
-			hw_reconf_flags |= IEEE80211_CONF_CHANGE_RADIOTAP;
+			local->hw.conf.flags |= IEEE80211_CONF_MONITOR;
+			hw_reconf_flags |= IEEE80211_CONF_CHANGE_MONITOR;
 		}
 
 		if (sdata->u.mntr_flags & MONITOR_FLAG_FCSFAIL)
@@ -435,8 +435,8 @@ static int ieee80211_stop(struct net_device *dev)
 
 		local->monitors--;
 		if (local->monitors == 0) {
-			local->hw.conf.flags &= ~IEEE80211_CONF_RADIOTAP;
-			hw_reconf_flags |= IEEE80211_CONF_CHANGE_RADIOTAP;
+			local->hw.conf.flags &= ~IEEE80211_CONF_MONITOR;
+			hw_reconf_flags |= IEEE80211_CONF_CHANGE_MONITOR;
 		}
 
 		if (sdata->u.mntr_flags & MONITOR_FLAG_FCSFAIL)
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 01df328530a..798fa82b6ae 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -39,11 +39,8 @@ static u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
  * only useful for monitoring.
  */
 static struct sk_buff *remove_monitor_info(struct ieee80211_local *local,
-					   struct sk_buff *skb,
-					   int rtap_len)
+					   struct sk_buff *skb)
 {
-	skb_pull(skb, rtap_len);
-
 	if (local->hw.flags & IEEE80211_HW_RX_INCLUDES_FCS) {
 		if (likely(skb->len > FCS_LEN))
 			skb_trim(skb, skb->len - FCS_LEN);
@@ -59,15 +56,14 @@ static struct sk_buff *remove_monitor_info(struct ieee80211_local *local,
 }
 
 static inline int should_drop_frame(struct sk_buff *skb,
-				    int present_fcs_len,
-				    int radiotap_len)
+				    int present_fcs_len)
 {
 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
 
 	if (status->flag & (RX_FLAG_FAILED_FCS_CRC | RX_FLAG_FAILED_PLCP_CRC))
 		return 1;
-	if (unlikely(skb->len < 16 + present_fcs_len + radiotap_len))
+	if (unlikely(skb->len < 16 + present_fcs_len))
 		return 1;
 	if (ieee80211_is_ctl(hdr->frame_control) &&
 	    !ieee80211_is_pspoll(hdr->frame_control) &&
@@ -225,7 +221,6 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb,
 	struct sk_buff *skb, *skb2;
 	struct net_device *prev_dev = NULL;
 	int present_fcs_len = 0;
-	int rtap_len = 0;
 
 	/*
 	 * First, we may need to make a copy of the skb because
@@ -235,25 +230,23 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb,
 	 * We don't need to, of course, if we aren't going to return
 	 * the SKB because it has a bad FCS/PLCP checksum.
 	 */
-	if (status->flag & RX_FLAG_RADIOTAP)
-		rtap_len = ieee80211_get_radiotap_len(origskb->data);
-	else
-		/* room for the radiotap header based on driver features */
-		needed_headroom = ieee80211_rx_radiotap_len(local, status);
+
+	/* room for the radiotap header based on driver features */
+	needed_headroom = ieee80211_rx_radiotap_len(local, status);
 
 	if (local->hw.flags & IEEE80211_HW_RX_INCLUDES_FCS)
 		present_fcs_len = FCS_LEN;
 
 	if (!local->monitors) {
-		if (should_drop_frame(origskb, present_fcs_len, rtap_len)) {
+		if (should_drop_frame(origskb, present_fcs_len)) {
 			dev_kfree_skb(origskb);
 			return NULL;
 		}
 
-		return remove_monitor_info(local, origskb, rtap_len);
+		return remove_monitor_info(local, origskb);
 	}
 
-	if (should_drop_frame(origskb, present_fcs_len, rtap_len)) {
+	if (should_drop_frame(origskb, present_fcs_len)) {
 		/* only need to expand headroom if necessary */
 		skb = origskb;
 		origskb = NULL;
@@ -277,16 +270,14 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb,
 		 */
 		skb = skb_copy_expand(origskb, needed_headroom, 0, GFP_ATOMIC);
 
-		origskb = remove_monitor_info(local, origskb, rtap_len);
+		origskb = remove_monitor_info(local, origskb);
 
 		if (!skb)
 			return origskb;
 	}
 
-	/* if necessary, prepend radiotap information */
-	if (!(status->flag & RX_FLAG_RADIOTAP))
-		ieee80211_add_rx_radiotap_header(local, skb, rate,
-						 needed_headroom);
+	/* prepend radiotap information */
+	ieee80211_add_rx_radiotap_header(local, skb, rate, needed_headroom);
 
 	skb_reset_mac_header(skb);
 	skb->ip_summed = CHECKSUM_UNNECESSARY;
-- 
GitLab


From 955015bb0b42167d14f776ff5947ae2463a974dc Mon Sep 17 00:00:00 2001
From: "John W. Linville" <linville@tuxdriver.com>
Date: Tue, 20 Oct 2009 13:38:11 +0900
Subject: [PATCH 0751/1815] strip: move driver to staging

Move the strip ("Starmode Radio IP") driver to drivers/staging.  For
several years this driver has only seen API "bombing-run" changes, and
few people ever had the hardware.  This driver represents unnecessary
ongoing maintenance for no clear benefit.

This patch brought to you by the "hacking" session at the 2009 Kernel
Summit in Tokyo, Japan...

Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/Kconfig                  | 23 -------------------
 drivers/net/wireless/Makefile                 |  1 -
 drivers/staging/Kconfig                       |  2 ++
 drivers/staging/Makefile                      |  1 +
 drivers/staging/strip/Kconfig                 | 22 ++++++++++++++++++
 drivers/staging/strip/Makefile                |  1 +
 .../{net/wireless => staging/strip}/strip.c   |  0
 7 files changed, 26 insertions(+), 24 deletions(-)
 create mode 100644 drivers/staging/strip/Kconfig
 create mode 100644 drivers/staging/strip/Makefile
 rename drivers/{net/wireless => staging/strip}/strip.c (100%)

diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig
index 85f8bf4112c..5df47486e35 100644
--- a/drivers/net/wireless/Kconfig
+++ b/drivers/net/wireless/Kconfig
@@ -25,29 +25,6 @@ menuconfig WLAN_PRE80211
 	  This option does not affect the kernel build, it only
 	  lets you choose drivers.
 
-config STRIP
-	tristate "STRIP (Metricom starmode radio IP)"
-	depends on INET && WLAN_PRE80211
-	select WIRELESS_EXT
-	---help---
-	  Say Y if you have a Metricom radio and intend to use Starmode Radio
-	  IP. STRIP is a radio protocol developed for the MosquitoNet project
-	  to send Internet traffic using Metricom radios.  Metricom radios are
-	  small, battery powered, 100kbit/sec packet radio transceivers, about
-	  the size and weight of a cellular telephone. (You may also have heard
-	  them called "Metricom modems" but we avoid the term "modem" because
-	  it misleads many people into thinking that you can plug a Metricom
-	  modem into a phone line and use it as a modem.)
-
-	  You can use STRIP on any Linux machine with a serial port, although
-	  it is obviously most useful for people with laptop computers. If you
-	  think you might get a Metricom radio in the future, there is no harm
-	  in saying Y to STRIP now, except that it makes the kernel a bit
-	  bigger.
-
-	  To compile this as a module, choose M here: the module will be
-	  called strip.
-
 config ARLAN
 	tristate "Aironet Arlan 655 & IC2200 DS support"
 	depends on ISA && !64BIT && WLAN_PRE80211
diff --git a/drivers/net/wireless/Makefile b/drivers/net/wireless/Makefile
index 7a4647e78fd..527c272aa1a 100644
--- a/drivers/net/wireless/Makefile
+++ b/drivers/net/wireless/Makefile
@@ -5,7 +5,6 @@
 obj-$(CONFIG_IPW2100) += ipw2x00/
 obj-$(CONFIG_IPW2200) += ipw2x00/
 
-obj-$(CONFIG_STRIP) += strip.o
 obj-$(CONFIG_ARLAN) += arlan.o 
 
 arlan-objs := arlan-main.o arlan-proc.o
diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index 9a4dd5992f6..7ddc5c8d895 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -131,5 +131,7 @@ source "drivers/staging/iio/Kconfig"
 
 source "drivers/staging/cowloop/Kconfig"
 
+source "drivers/staging/strip/Kconfig"
+
 endif # !STAGING_EXCLUDE_BUILD
 endif # STAGING
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 104f2f8897e..4386a620e9b 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -47,3 +47,4 @@ obj-$(CONFIG_RAR_REGISTER)	+= rar/
 obj-$(CONFIG_DX_SEP)		+= sep/
 obj-$(CONFIG_IIO)		+= iio/
 obj-$(CONFIG_COWLOOP)		+= cowloop/
+obj-$(CONFIG_STRIP)		+= strip/
diff --git a/drivers/staging/strip/Kconfig b/drivers/staging/strip/Kconfig
new file mode 100644
index 00000000000..36257b5cd6e
--- /dev/null
+++ b/drivers/staging/strip/Kconfig
@@ -0,0 +1,22 @@
+config STRIP
+	tristate "STRIP (Metricom starmode radio IP)"
+	depends on INET
+	select WIRELESS_EXT
+	---help---
+	  Say Y if you have a Metricom radio and intend to use Starmode Radio
+	  IP. STRIP is a radio protocol developed for the MosquitoNet project
+	  to send Internet traffic using Metricom radios.  Metricom radios are
+	  small, battery powered, 100kbit/sec packet radio transceivers, about
+	  the size and weight of a cellular telephone. (You may also have heard
+	  them called "Metricom modems" but we avoid the term "modem" because
+	  it misleads many people into thinking that you can plug a Metricom
+	  modem into a phone line and use it as a modem.)
+
+	  You can use STRIP on any Linux machine with a serial port, although
+	  it is obviously most useful for people with laptop computers. If you
+	  think you might get a Metricom radio in the future, there is no harm
+	  in saying Y to STRIP now, except that it makes the kernel a bit
+	  bigger.
+
+	  To compile this as a module, choose M here: the module will be
+	  called strip.
diff --git a/drivers/staging/strip/Makefile b/drivers/staging/strip/Makefile
new file mode 100644
index 00000000000..6417bdcac2f
--- /dev/null
+++ b/drivers/staging/strip/Makefile
@@ -0,0 +1 @@
+obj-$(CONFIG_STRIP) += strip.o
diff --git a/drivers/net/wireless/strip.c b/drivers/staging/strip/strip.c
similarity index 100%
rename from drivers/net/wireless/strip.c
rename to drivers/staging/strip/strip.c
-- 
GitLab


From e38879efd336fb78b288dcebdc9ca030fd24f449 Mon Sep 17 00:00:00 2001
From: "John W. Linville" <linville@tuxdriver.com>
Date: Tue, 20 Oct 2009 13:53:08 +0900
Subject: [PATCH 0752/1815] arlan: move driver to staging

Move the arlan driver to drivers/staging.  This is another pre-802.11
driver that has seen virtually no non-API-fixup activity in years, and
for which no active hardware is likely to still exist.  This driver
represents unnecessary ongoing maintenance for no clear benefit.

This patch brought to you by the "hacking" session at the 2009 Kernel
Summit in Tokyo, Japan...

Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/Kconfig                     | 16 ----------------
 drivers/net/wireless/Makefile                    |  4 ----
 drivers/staging/Kconfig                          |  2 ++
 drivers/staging/Makefile                         |  1 +
 drivers/staging/arlan/Kconfig                    | 15 +++++++++++++++
 drivers/staging/arlan/Makefile                   |  3 +++
 .../{net/wireless => staging/arlan}/arlan-main.c |  0
 .../{net/wireless => staging/arlan}/arlan-proc.c |  0
 drivers/{net/wireless => staging/arlan}/arlan.h  |  0
 9 files changed, 21 insertions(+), 20 deletions(-)
 create mode 100644 drivers/staging/arlan/Kconfig
 create mode 100644 drivers/staging/arlan/Makefile
 rename drivers/{net/wireless => staging/arlan}/arlan-main.c (100%)
 rename drivers/{net/wireless => staging/arlan}/arlan-proc.c (100%)
 rename drivers/{net/wireless => staging/arlan}/arlan.h (100%)

diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig
index 5df47486e35..d50b3bee9a9 100644
--- a/drivers/net/wireless/Kconfig
+++ b/drivers/net/wireless/Kconfig
@@ -25,22 +25,6 @@ menuconfig WLAN_PRE80211
 	  This option does not affect the kernel build, it only
 	  lets you choose drivers.
 
-config ARLAN
-	tristate "Aironet Arlan 655 & IC2200 DS support"
-	depends on ISA && !64BIT && WLAN_PRE80211
-	select WIRELESS_EXT
-	---help---
-	  Aironet makes Arlan, a class of wireless LAN adapters. These use the
-	  www.Telxon.com chip, which is also used on several similar cards.
-	  This driver is tested on the 655 and IC2200 series cards. Look at
-	  <http://www.ylenurme.ee/~elmer/655/> for the latest information.
-
-	  The driver is built as two modules, arlan and arlan-proc. The latter
-	  is the /proc interface and is not needed most of time.
-
-	  On some computers the card ends up in non-valid state after some
-	  time. Use a ping-reset script to clear it.
-
 config WAVELAN
 	tristate "AT&T/Lucent old WaveLAN & DEC RoamAbout DS ISA support"
 	depends on ISA && WLAN_PRE80211
diff --git a/drivers/net/wireless/Makefile b/drivers/net/wireless/Makefile
index 527c272aa1a..b56c70f4ca7 100644
--- a/drivers/net/wireless/Makefile
+++ b/drivers/net/wireless/Makefile
@@ -5,10 +5,6 @@
 obj-$(CONFIG_IPW2100) += ipw2x00/
 obj-$(CONFIG_IPW2200) += ipw2x00/
 
-obj-$(CONFIG_ARLAN) += arlan.o 
-
-arlan-objs := arlan-main.o arlan-proc.o
-
 # Obsolete cards
 obj-$(CONFIG_WAVELAN)		+= wavelan.o
 obj-$(CONFIG_PCMCIA_NETWAVE)	+= netwave_cs.o
diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index 7ddc5c8d895..ca946ca3823 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -133,5 +133,7 @@ source "drivers/staging/cowloop/Kconfig"
 
 source "drivers/staging/strip/Kconfig"
 
+source "drivers/staging/arlan/Kconfig"
+
 endif # !STAGING_EXCLUDE_BUILD
 endif # STAGING
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 4386a620e9b..ed92324178b 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -48,3 +48,4 @@ obj-$(CONFIG_DX_SEP)		+= sep/
 obj-$(CONFIG_IIO)		+= iio/
 obj-$(CONFIG_COWLOOP)		+= cowloop/
 obj-$(CONFIG_STRIP)		+= strip/
+obj-$(CONFIG_ARLAN)		+= arlan/
diff --git a/drivers/staging/arlan/Kconfig b/drivers/staging/arlan/Kconfig
new file mode 100644
index 00000000000..0585ed8b4d3
--- /dev/null
+++ b/drivers/staging/arlan/Kconfig
@@ -0,0 +1,15 @@
+config ARLAN
+	tristate "Aironet Arlan 655 & IC2200 DS support"
+	depends on ISA && !64BIT
+	select WIRELESS_EXT
+	---help---
+	  Aironet makes Arlan, a class of wireless LAN adapters. These use the
+	  www.Telxon.com chip, which is also used on several similar cards.
+	  This driver is tested on the 655 and IC2200 series cards. Look at
+	  <http://www.ylenurme.ee/~elmer/655/> for the latest information.
+
+	  The driver is built as two modules, arlan and arlan-proc. The latter
+	  is the /proc interface and is not needed most of time.
+
+	  On some computers the card ends up in non-valid state after some
+	  time. Use a ping-reset script to clear it.
diff --git a/drivers/staging/arlan/Makefile b/drivers/staging/arlan/Makefile
new file mode 100644
index 00000000000..9e58e5fae7b
--- /dev/null
+++ b/drivers/staging/arlan/Makefile
@@ -0,0 +1,3 @@
+obj-$(CONFIG_ARLAN) += arlan.o 
+
+arlan-objs := arlan-main.o arlan-proc.o
diff --git a/drivers/net/wireless/arlan-main.c b/drivers/staging/arlan/arlan-main.c
similarity index 100%
rename from drivers/net/wireless/arlan-main.c
rename to drivers/staging/arlan/arlan-main.c
diff --git a/drivers/net/wireless/arlan-proc.c b/drivers/staging/arlan/arlan-proc.c
similarity index 100%
rename from drivers/net/wireless/arlan-proc.c
rename to drivers/staging/arlan/arlan-proc.c
diff --git a/drivers/net/wireless/arlan.h b/drivers/staging/arlan/arlan.h
similarity index 100%
rename from drivers/net/wireless/arlan.h
rename to drivers/staging/arlan/arlan.h
-- 
GitLab


From 0234f84ebb00d36c48062befa5436eef36b71ccd Mon Sep 17 00:00:00 2001
From: "John W. Linville" <linville@tuxdriver.com>
Date: Wed, 28 Oct 2009 16:06:56 -0400
Subject: [PATCH 0753/1815] wavelan: move driver to staging

Move the wavelan driver to drivers/staging.  This is another pre-802.11
driver that has seen virtually no non-API-fixup activity in years, and
for which no active hardware is likely to still exist.  This driver
represents unnecessary ongoing maintenance for no clear benefit.

This patch brought to you by the "hacking" session at the 2009 Kernel
Summit in Tokyo, Japan...

Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/Kconfig                  | 39 -------------------
 drivers/net/wireless/Makefile                 |  2 -
 drivers/staging/Kconfig                       |  2 +
 drivers/staging/Makefile                      |  2 +
 drivers/staging/wavelan/Kconfig               | 38 ++++++++++++++++++
 drivers/staging/wavelan/Makefile              |  2 +
 .../wireless => staging/wavelan}/i82586.h     |  0
 .../wireless => staging/wavelan}/i82593.h     |  0
 .../wireless => staging/wavelan}/wavelan.c    |  0
 .../wireless => staging/wavelan}/wavelan.h    |  0
 .../wireless => staging/wavelan}/wavelan.p.h  |  0
 .../wireless => staging/wavelan}/wavelan_cs.c |  0
 .../wireless => staging/wavelan}/wavelan_cs.h |  0
 .../wavelan}/wavelan_cs.p.h                   |  0
 14 files changed, 44 insertions(+), 41 deletions(-)
 create mode 100644 drivers/staging/wavelan/Kconfig
 create mode 100644 drivers/staging/wavelan/Makefile
 rename drivers/{net/wireless => staging/wavelan}/i82586.h (100%)
 rename drivers/{net/wireless => staging/wavelan}/i82593.h (100%)
 rename drivers/{net/wireless => staging/wavelan}/wavelan.c (100%)
 rename drivers/{net/wireless => staging/wavelan}/wavelan.h (100%)
 rename drivers/{net/wireless => staging/wavelan}/wavelan.p.h (100%)
 rename drivers/{net/wireless => staging/wavelan}/wavelan_cs.c (100%)
 rename drivers/{net/wireless => staging/wavelan}/wavelan_cs.h (100%)
 rename drivers/{net/wireless => staging/wavelan}/wavelan_cs.p.h (100%)

diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig
index d50b3bee9a9..f94188f05a0 100644
--- a/drivers/net/wireless/Kconfig
+++ b/drivers/net/wireless/Kconfig
@@ -25,45 +25,6 @@ menuconfig WLAN_PRE80211
 	  This option does not affect the kernel build, it only
 	  lets you choose drivers.
 
-config WAVELAN
-	tristate "AT&T/Lucent old WaveLAN & DEC RoamAbout DS ISA support"
-	depends on ISA && WLAN_PRE80211
-	select WIRELESS_EXT
-	select WEXT_SPY
-	select WEXT_PRIV
-	---help---
-	  The Lucent WaveLAN (formerly NCR and AT&T; or DEC RoamAbout DS) is
-	  a Radio LAN (wireless Ethernet-like Local Area Network) using the
-	  radio frequencies 900 MHz and 2.4 GHz.
-
-	  If you want to use an ISA WaveLAN card under Linux, say Y and read
-	  the Ethernet-HOWTO, available from
-	  <http://www.tldp.org/docs.html#howto>. Some more specific
-	  information is contained in
-	  <file:Documentation/networking/wavelan.txt> and in the source code
-	  <file:drivers/net/wireless/wavelan.p.h>.
-
-	  You will also need the wireless tools package available from
-	  <http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/Tools.html>.
-	  Please read the man pages contained therein.
-
-	  To compile this driver as a module, choose M here: the module will be
-	  called wavelan.
-
-config PCMCIA_WAVELAN
-	tristate "AT&T/Lucent old WaveLAN Pcmcia wireless support"
-	depends on PCMCIA && WLAN_PRE80211
-	select WIRELESS_EXT
-	select WEXT_SPY
-	select WEXT_PRIV
-	help
-	  Say Y here if you intend to attach an AT&T/Lucent Wavelan PCMCIA
-	  (PC-card) wireless Ethernet networking card to your computer.  This
-	  driver is for the non-IEEE-802.11 Wavelan cards.
-
-	  To compile this driver as a module, choose M here: the module will be
-	  called wavelan_cs.  If unsure, say N.
-
 config PCMCIA_NETWAVE
 	tristate "Xircom Netwave AirSurfer Pcmcia wireless support"
 	depends on PCMCIA && WLAN_PRE80211
diff --git a/drivers/net/wireless/Makefile b/drivers/net/wireless/Makefile
index b56c70f4ca7..f4a7c8ae27e 100644
--- a/drivers/net/wireless/Makefile
+++ b/drivers/net/wireless/Makefile
@@ -6,9 +6,7 @@ obj-$(CONFIG_IPW2100) += ipw2x00/
 obj-$(CONFIG_IPW2200) += ipw2x00/
 
 # Obsolete cards
-obj-$(CONFIG_WAVELAN)		+= wavelan.o
 obj-$(CONFIG_PCMCIA_NETWAVE)	+= netwave_cs.o
-obj-$(CONFIG_PCMCIA_WAVELAN)	+= wavelan_cs.o
 
 obj-$(CONFIG_HERMES)		+= orinoco/
 
diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index ca946ca3823..c1082f20534 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -135,5 +135,7 @@ source "drivers/staging/strip/Kconfig"
 
 source "drivers/staging/arlan/Kconfig"
 
+source "drivers/staging/wavelan/Kconfig"
+
 endif # !STAGING_EXCLUDE_BUILD
 endif # STAGING
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index ed92324178b..7bccdd3e7fa 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -49,3 +49,5 @@ obj-$(CONFIG_IIO)		+= iio/
 obj-$(CONFIG_COWLOOP)		+= cowloop/
 obj-$(CONFIG_STRIP)		+= strip/
 obj-$(CONFIG_ARLAN)		+= arlan/
+obj-$(CONFIG_WAVELAN)		+= wavelan/
+obj-$(CONFIG_PCMCIA_WAVELAN)	+= wavelan/
diff --git a/drivers/staging/wavelan/Kconfig b/drivers/staging/wavelan/Kconfig
new file mode 100644
index 00000000000..786060e025c
--- /dev/null
+++ b/drivers/staging/wavelan/Kconfig
@@ -0,0 +1,38 @@
+config WAVELAN
+	tristate "AT&T/Lucent old WaveLAN & DEC RoamAbout DS ISA support"
+	depends on ISA
+	select WIRELESS_EXT
+	select WEXT_SPY
+	select WEXT_PRIV
+	---help---
+	  The Lucent WaveLAN (formerly NCR and AT&T; or DEC RoamAbout DS) is
+	  a Radio LAN (wireless Ethernet-like Local Area Network) using the
+	  radio frequencies 900 MHz and 2.4 GHz.
+
+	  If you want to use an ISA WaveLAN card under Linux, say Y and read
+	  the Ethernet-HOWTO, available from
+	  <http://www.tldp.org/docs.html#howto>. Some more specific
+	  information is contained in
+	  <file:Documentation/networking/wavelan.txt> and in the source code
+	  <file:drivers/net/wireless/wavelan.p.h>.
+
+	  You will also need the wireless tools package available from
+	  <http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/Tools.html>.
+	  Please read the man pages contained therein.
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called wavelan.
+
+config PCMCIA_WAVELAN
+	tristate "AT&T/Lucent old WaveLAN Pcmcia wireless support"
+	depends on PCMCIA
+	select WIRELESS_EXT
+	select WEXT_SPY
+	select WEXT_PRIV
+	help
+	  Say Y here if you intend to attach an AT&T/Lucent Wavelan PCMCIA
+	  (PC-card) wireless Ethernet networking card to your computer.  This
+	  driver is for the non-IEEE-802.11 Wavelan cards.
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called wavelan_cs.  If unsure, say N.
diff --git a/drivers/staging/wavelan/Makefile b/drivers/staging/wavelan/Makefile
new file mode 100644
index 00000000000..1cde17c69a4
--- /dev/null
+++ b/drivers/staging/wavelan/Makefile
@@ -0,0 +1,2 @@
+obj-$(CONFIG_WAVELAN)		+= wavelan.o
+obj-$(CONFIG_PCMCIA_WAVELAN)	+= wavelan_cs.o
diff --git a/drivers/net/wireless/i82586.h b/drivers/staging/wavelan/i82586.h
similarity index 100%
rename from drivers/net/wireless/i82586.h
rename to drivers/staging/wavelan/i82586.h
diff --git a/drivers/net/wireless/i82593.h b/drivers/staging/wavelan/i82593.h
similarity index 100%
rename from drivers/net/wireless/i82593.h
rename to drivers/staging/wavelan/i82593.h
diff --git a/drivers/net/wireless/wavelan.c b/drivers/staging/wavelan/wavelan.c
similarity index 100%
rename from drivers/net/wireless/wavelan.c
rename to drivers/staging/wavelan/wavelan.c
diff --git a/drivers/net/wireless/wavelan.h b/drivers/staging/wavelan/wavelan.h
similarity index 100%
rename from drivers/net/wireless/wavelan.h
rename to drivers/staging/wavelan/wavelan.h
diff --git a/drivers/net/wireless/wavelan.p.h b/drivers/staging/wavelan/wavelan.p.h
similarity index 100%
rename from drivers/net/wireless/wavelan.p.h
rename to drivers/staging/wavelan/wavelan.p.h
diff --git a/drivers/net/wireless/wavelan_cs.c b/drivers/staging/wavelan/wavelan_cs.c
similarity index 100%
rename from drivers/net/wireless/wavelan_cs.c
rename to drivers/staging/wavelan/wavelan_cs.c
diff --git a/drivers/net/wireless/wavelan_cs.h b/drivers/staging/wavelan/wavelan_cs.h
similarity index 100%
rename from drivers/net/wireless/wavelan_cs.h
rename to drivers/staging/wavelan/wavelan_cs.h
diff --git a/drivers/net/wireless/wavelan_cs.p.h b/drivers/staging/wavelan/wavelan_cs.p.h
similarity index 100%
rename from drivers/net/wireless/wavelan_cs.p.h
rename to drivers/staging/wavelan/wavelan_cs.p.h
-- 
GitLab


From 4b5783549730da21d88b41dce9a2b738afa44abc Mon Sep 17 00:00:00 2001
From: "John W. Linville" <linville@tuxdriver.com>
Date: Wed, 28 Oct 2009 16:16:38 -0400
Subject: [PATCH 0754/1815] netwave: move driver to staging

Move the netwave driver to drivers/staging.  This is another pre-802.11
driver that has seen virtually no non-API-fixup activity in years, and
for which no active hardware is likely to still exist.  This driver
represents unnecessary ongoing maintenance for no clear benefit.

This patch brought to you by the "hacking" session at the 2009 Kernel
Summit in Tokyo, Japan...

Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/Kconfig                        | 13 -------------
 drivers/net/wireless/Makefile                       |  3 ---
 drivers/staging/Kconfig                             |  2 ++
 drivers/staging/Makefile                            |  1 +
 drivers/staging/netwave/Kconfig                     | 11 +++++++++++
 drivers/staging/netwave/Makefile                    |  1 +
 .../{net/wireless => staging/netwave}/netwave_cs.c  |  0
 7 files changed, 15 insertions(+), 16 deletions(-)
 create mode 100644 drivers/staging/netwave/Kconfig
 create mode 100644 drivers/staging/netwave/Makefile
 rename drivers/{net/wireless => staging/netwave}/netwave_cs.c (100%)

diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig
index f94188f05a0..bf0eb4e774b 100644
--- a/drivers/net/wireless/Kconfig
+++ b/drivers/net/wireless/Kconfig
@@ -25,19 +25,6 @@ menuconfig WLAN_PRE80211
 	  This option does not affect the kernel build, it only
 	  lets you choose drivers.
 
-config PCMCIA_NETWAVE
-	tristate "Xircom Netwave AirSurfer Pcmcia wireless support"
-	depends on PCMCIA && WLAN_PRE80211
-	select WIRELESS_EXT
-	select WEXT_PRIV
-	help
-	  Say Y here if you intend to attach this type of PCMCIA (PC-card)
-	  wireless Ethernet networking card to your computer.
-
-	  To compile this driver as a module, choose M here: the module will be
-	  called netwave_cs.  If unsure, say N.
-
-
 menuconfig WLAN_80211
 	bool "Wireless LAN (IEEE 802.11)"
 	depends on NETDEVICES
diff --git a/drivers/net/wireless/Makefile b/drivers/net/wireless/Makefile
index f4a7c8ae27e..5d4ce4d2b32 100644
--- a/drivers/net/wireless/Makefile
+++ b/drivers/net/wireless/Makefile
@@ -5,9 +5,6 @@
 obj-$(CONFIG_IPW2100) += ipw2x00/
 obj-$(CONFIG_IPW2200) += ipw2x00/
 
-# Obsolete cards
-obj-$(CONFIG_PCMCIA_NETWAVE)	+= netwave_cs.o
-
 obj-$(CONFIG_HERMES)		+= orinoco/
 
 obj-$(CONFIG_AIRO)		+= airo.o
diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index c1082f20534..4e3873bfd01 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -137,5 +137,7 @@ source "drivers/staging/arlan/Kconfig"
 
 source "drivers/staging/wavelan/Kconfig"
 
+source "drivers/staging/netwave/Kconfig"
+
 endif # !STAGING_EXCLUDE_BUILD
 endif # STAGING
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 7bccdd3e7fa..fb1d7851b56 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -51,3 +51,4 @@ obj-$(CONFIG_STRIP)		+= strip/
 obj-$(CONFIG_ARLAN)		+= arlan/
 obj-$(CONFIG_WAVELAN)		+= wavelan/
 obj-$(CONFIG_PCMCIA_WAVELAN)	+= wavelan/
+obj-$(CONFIG_PCMCIA_NETWAVE)	+= netwave/
diff --git a/drivers/staging/netwave/Kconfig b/drivers/staging/netwave/Kconfig
new file mode 100644
index 00000000000..c0c996c0550
--- /dev/null
+++ b/drivers/staging/netwave/Kconfig
@@ -0,0 +1,11 @@
+config PCMCIA_NETWAVE
+	tristate "Xircom Netwave AirSurfer Pcmcia wireless support"
+	depends on PCMCIA
+	select WIRELESS_EXT
+	select WEXT_PRIV
+	help
+	  Say Y here if you intend to attach this type of PCMCIA (PC-card)
+	  wireless Ethernet networking card to your computer.
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called netwave_cs.  If unsure, say N.
diff --git a/drivers/staging/netwave/Makefile b/drivers/staging/netwave/Makefile
new file mode 100644
index 00000000000..2ab89de59b9
--- /dev/null
+++ b/drivers/staging/netwave/Makefile
@@ -0,0 +1 @@
+obj-$(CONFIG_PCMCIA_NETWAVE)	+= netwave_cs.o
diff --git a/drivers/net/wireless/netwave_cs.c b/drivers/staging/netwave/netwave_cs.c
similarity index 100%
rename from drivers/net/wireless/netwave_cs.c
rename to drivers/staging/netwave/netwave_cs.c
-- 
GitLab


From 133d7c6a504c672011ebc24b26e05b15f7410c07 Mon Sep 17 00:00:00 2001
From: "John W. Linville" <linville@tuxdriver.com>
Date: Wed, 28 Oct 2009 16:29:30 -0400
Subject: [PATCH 0755/1815] wireless: remove WLAN_80211 and WLAN_PRE80211 from
 Kconfig

With the WLAN_PRE80211 drivers moved to drivers/staging, this
distinction becomes unnecessary.

Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/Kconfig              | 48 +++++++----------------
 drivers/net/wireless/ath/Kconfig          |  1 -
 drivers/net/wireless/ath/ar9170/Kconfig   |  2 +-
 drivers/net/wireless/ath/ath5k/Kconfig    |  2 +-
 drivers/net/wireless/ath/ath9k/Kconfig    |  2 +-
 drivers/net/wireless/b43/Kconfig          |  2 +-
 drivers/net/wireless/b43legacy/Kconfig    |  2 +-
 drivers/net/wireless/hostap/Kconfig       |  1 -
 drivers/net/wireless/ipw2x00/Kconfig      |  6 +--
 drivers/net/wireless/iwlwifi/Kconfig      |  2 +-
 drivers/net/wireless/iwmc3200wifi/Kconfig |  2 +-
 drivers/net/wireless/libertas/Kconfig     |  2 +-
 drivers/net/wireless/orinoco/Kconfig      |  2 +-
 drivers/net/wireless/p54/Kconfig          |  2 +-
 drivers/net/wireless/rt2x00/Kconfig       |  2 +-
 drivers/net/wireless/wl12xx/Kconfig       |  2 +-
 drivers/net/wireless/zd1211rw/Kconfig     |  2 +-
 17 files changed, 31 insertions(+), 51 deletions(-)

diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig
index bf0eb4e774b..674a08b0788 100644
--- a/drivers/net/wireless/Kconfig
+++ b/drivers/net/wireless/Kconfig
@@ -16,27 +16,9 @@ menuconfig WLAN
 
 if WLAN
 
-menuconfig WLAN_PRE80211
-	bool "Wireless LAN (pre-802.11)"
-	depends on NETDEVICES
-	---help---
-	  Say Y if you have any pre-802.11 wireless LAN hardware.
-
-	  This option does not affect the kernel build, it only
-	  lets you choose drivers.
-
-menuconfig WLAN_80211
-	bool "Wireless LAN (IEEE 802.11)"
-	depends on NETDEVICES
-	---help---
-	  Say Y if you have any 802.11 wireless LAN hardware.
-
-	  This option does not affect the kernel build, it only
-	  lets you choose drivers.
-
 config PCMCIA_RAYCS
 	tristate "Aviator/Raytheon 2.4GHz wireless support"
-	depends on PCMCIA && WLAN_80211
+	depends on PCMCIA
 	select WIRELESS_EXT
 	select WEXT_SPY
 	select WEXT_PRIV
@@ -51,7 +33,7 @@ config PCMCIA_RAYCS
 
 config LIBERTAS_THINFIRM
 	tristate "Marvell 8xxx Libertas WLAN driver support with thin firmware"
-	depends on WLAN_80211 && MAC80211
+	depends on MAC80211
 	select FW_LOADER
 	---help---
 	  A library for Marvell Libertas 8xxx devices using thinfirm.
@@ -64,7 +46,7 @@ config LIBERTAS_THINFIRM_USB
 
 config AIRO
 	tristate "Cisco/Aironet 34X/35X/4500/4800 ISA and PCI cards"
-	depends on ISA_DMA_API && WLAN_80211 && (PCI || BROKEN)
+	depends on ISA_DMA_API && (PCI || BROKEN)
 	select WIRELESS_EXT
 	select CRYPTO
 	select WEXT_SPY
@@ -84,7 +66,7 @@ config AIRO
 
 config ATMEL
       tristate "Atmel at76c50x chipset  802.11b support"
-      depends on (PCI || PCMCIA) && WLAN_80211
+      depends on (PCI || PCMCIA)
       select WIRELESS_EXT
       select WEXT_PRIV
       select FW_LOADER
@@ -119,7 +101,7 @@ config PCMCIA_ATMEL
 
 config AT76C50X_USB
         tristate "Atmel at76c503/at76c505/at76c505a USB cards"
-        depends on MAC80211 && WLAN_80211 && USB
+        depends on MAC80211 && USB
         select FW_LOADER
         ---help---
           Enable support for USB Wireless devices using Atmel at76c503,
@@ -127,7 +109,7 @@ config AT76C50X_USB
 
 config AIRO_CS
 	tristate "Cisco/Aironet 34X/35X/4500/4800 PCMCIA cards"
-	depends on PCMCIA && (BROKEN || !M32R) && WLAN_80211
+	depends on PCMCIA && (BROKEN || !M32R)
 	select WIRELESS_EXT
 	select CRYPTO
 	select CRYPTO_AES
@@ -147,7 +129,7 @@ config AIRO_CS
 
 config PCMCIA_WL3501
 	tristate "Planet WL3501 PCMCIA cards"
-	depends on EXPERIMENTAL && PCMCIA && WLAN_80211
+	depends on EXPERIMENTAL && PCMCIA
 	select WIRELESS_EXT
 	select WEXT_SPY
 	help
@@ -157,7 +139,7 @@ config PCMCIA_WL3501
 
 config PRISM54
 	tristate 'Intersil Prism GT/Duette/Indigo PCI/Cardbus (DEPRECATED)'
-	depends on PCI && EXPERIMENTAL && WLAN_80211
+	depends on PCI && EXPERIMENTAL
 	select WIRELESS_EXT
 	select WEXT_SPY
 	select WEXT_PRIV
@@ -181,7 +163,7 @@ config PRISM54
 
 config USB_ZD1201
 	tristate "USB ZD1201 based Wireless device support"
-	depends on USB && WLAN_80211
+	depends on USB
 	select WIRELESS_EXT
 	select WEXT_PRIV
 	select FW_LOADER
@@ -200,7 +182,7 @@ config USB_ZD1201
 
 config USB_NET_RNDIS_WLAN
 	tristate "Wireless RNDIS USB support"
-	depends on USB && WLAN_80211 && EXPERIMENTAL
+	depends on USB && EXPERIMENTAL
 	depends on CFG80211
 	select USB_USBNET
 	select USB_NET_CDCETHER
@@ -228,7 +210,7 @@ config USB_NET_RNDIS_WLAN
 
 config RTL8180
 	tristate "Realtek 8180/8185 PCI support"
-	depends on MAC80211 && PCI && WLAN_80211 && EXPERIMENTAL
+	depends on MAC80211 && PCI && EXPERIMENTAL
 	select EEPROM_93CX6
 	---help---
 	  This is a driver for RTL8180 and RTL8185 based cards.
@@ -284,7 +266,7 @@ config RTL8180
 
 config RTL8187
 	tristate "Realtek 8187 and 8187B USB support"
-	depends on MAC80211 && USB && WLAN_80211
+	depends on MAC80211 && USB
 	select EEPROM_93CX6
 	---help---
 	  This is a driver for RTL8187 and RTL8187B based cards.
@@ -313,7 +295,7 @@ config RTL8187_LEDS
 
 config ADM8211
 	tristate "ADMtek ADM8211 support"
-	depends on MAC80211 && PCI && WLAN_80211 && EXPERIMENTAL
+	depends on MAC80211 && PCI && EXPERIMENTAL
 	select CRC32
 	select EEPROM_93CX6
 	---help---
@@ -340,7 +322,7 @@ config ADM8211
 
 config MAC80211_HWSIM
 	tristate "Simulated radio testing tool for mac80211"
-	depends on MAC80211 && WLAN_80211
+	depends on MAC80211
 	---help---
 	  This driver is a developer testing tool that can be used to test
 	  IEEE 802.11 networking stack (mac80211) functionality. This is not
@@ -353,7 +335,7 @@ config MAC80211_HWSIM
 
 config MWL8K
 	tristate "Marvell 88W8xxx PCI/PCIe Wireless support"
-	depends on MAC80211 && PCI && WLAN_80211 && EXPERIMENTAL
+	depends on MAC80211 && PCI && EXPERIMENTAL
 	---help---
 	  This driver supports Marvell TOPDOG 802.11 wireless cards.
 
diff --git a/drivers/net/wireless/ath/Kconfig b/drivers/net/wireless/ath/Kconfig
index 6ce86cb3765..4e7a7fd695c 100644
--- a/drivers/net/wireless/ath/Kconfig
+++ b/drivers/net/wireless/ath/Kconfig
@@ -1,6 +1,5 @@
 menuconfig ATH_COMMON
 	tristate "Atheros Wireless Cards"
-	depends on WLAN_80211
 	depends on CFG80211
 	---help---
 	  This will enable the support for the Atheros wireless drivers.
diff --git a/drivers/net/wireless/ath/ar9170/Kconfig b/drivers/net/wireless/ath/ar9170/Kconfig
index 05918f1e685..d7a4799d20f 100644
--- a/drivers/net/wireless/ath/ar9170/Kconfig
+++ b/drivers/net/wireless/ath/ar9170/Kconfig
@@ -1,6 +1,6 @@
 config AR9170_USB
 	tristate "Atheros AR9170 802.11n USB support"
-	depends on USB && MAC80211 && WLAN_80211
+	depends on USB && MAC80211
 	select FW_LOADER
 	help
 	  This is a driver for the Atheros "otus" 802.11n USB devices.
diff --git a/drivers/net/wireless/ath/ath5k/Kconfig b/drivers/net/wireless/ath/ath5k/Kconfig
index 06d006675d7..eb83b7b4d0e 100644
--- a/drivers/net/wireless/ath/ath5k/Kconfig
+++ b/drivers/net/wireless/ath/ath5k/Kconfig
@@ -1,6 +1,6 @@
 config ATH5K
 	tristate "Atheros 5xxx wireless cards support"
-	depends on PCI && MAC80211 && WLAN_80211
+	depends on PCI && MAC80211
 	select MAC80211_LEDS
 	select LEDS_CLASS
 	select NEW_LEDS
diff --git a/drivers/net/wireless/ath/ath9k/Kconfig b/drivers/net/wireless/ath/ath9k/Kconfig
index 99ce066392a..b735fb399fb 100644
--- a/drivers/net/wireless/ath/ath9k/Kconfig
+++ b/drivers/net/wireless/ath/ath9k/Kconfig
@@ -3,7 +3,7 @@ config ATH9K_HW
 
 config ATH9K
 	tristate "Atheros 802.11n wireless cards support"
-	depends on PCI && MAC80211 && WLAN_80211
+	depends on PCI && MAC80211
 	select ATH9K_HW
 	select MAC80211_LEDS
 	select LEDS_CLASS
diff --git a/drivers/net/wireless/b43/Kconfig b/drivers/net/wireless/b43/Kconfig
index 54ea61c15d8..64c12e1bced 100644
--- a/drivers/net/wireless/b43/Kconfig
+++ b/drivers/net/wireless/b43/Kconfig
@@ -1,6 +1,6 @@
 config B43
 	tristate "Broadcom 43xx wireless support (mac80211 stack)"
-	depends on SSB_POSSIBLE && MAC80211 && WLAN_80211 && HAS_DMA
+	depends on SSB_POSSIBLE && MAC80211 && HAS_DMA
 	select SSB
 	select FW_LOADER
 	---help---
diff --git a/drivers/net/wireless/b43legacy/Kconfig b/drivers/net/wireless/b43legacy/Kconfig
index 94a46347805..1ffa28835c5 100644
--- a/drivers/net/wireless/b43legacy/Kconfig
+++ b/drivers/net/wireless/b43legacy/Kconfig
@@ -1,6 +1,6 @@
 config B43LEGACY
 	tristate "Broadcom 43xx-legacy wireless support (mac80211 stack)"
-	depends on SSB_POSSIBLE && MAC80211 && WLAN_80211 && HAS_DMA
+	depends on SSB_POSSIBLE && MAC80211 && HAS_DMA
 	select SSB
 	select FW_LOADER
 	---help---
diff --git a/drivers/net/wireless/hostap/Kconfig b/drivers/net/wireless/hostap/Kconfig
index 08f1e989653..287d82728bc 100644
--- a/drivers/net/wireless/hostap/Kconfig
+++ b/drivers/net/wireless/hostap/Kconfig
@@ -1,6 +1,5 @@
 config HOSTAP
 	tristate "IEEE 802.11 for Host AP (Prism2/2.5/3 and WEP/TKIP/CCMP)"
-	depends on WLAN_80211
 	select WIRELESS_EXT
 	select WEXT_SPY
 	select WEXT_PRIV
diff --git a/drivers/net/wireless/ipw2x00/Kconfig b/drivers/net/wireless/ipw2x00/Kconfig
index 59ec9eec502..2715b101ade 100644
--- a/drivers/net/wireless/ipw2x00/Kconfig
+++ b/drivers/net/wireless/ipw2x00/Kconfig
@@ -4,7 +4,7 @@
 
 config IPW2100
 	tristate "Intel PRO/Wireless 2100 Network Connection"
-	depends on PCI && WLAN_80211 && CFG80211
+	depends on PCI && CFG80211
 	select WIRELESS_EXT
 	select WEXT_SPY
 	select WEXT_PRIV
@@ -65,7 +65,7 @@ config IPW2100_DEBUG
 
 config IPW2200
 	tristate "Intel PRO/Wireless 2200BG and 2915ABG Network Connection"
-	depends on PCI && WLAN_80211 && CFG80211 && CFG80211_WEXT
+	depends on PCI && CFG80211 && CFG80211_WEXT
 	select WIRELESS_EXT
 	select WEXT_SPY
 	select WEXT_PRIV
@@ -154,7 +154,7 @@ config IPW2200_DEBUG
 
 config LIBIPW
 	tristate
-	depends on PCI && WLAN_80211 && CFG80211
+	depends on PCI && CFG80211
 	select WIRELESS_EXT
 	select WEXT_SPY
 	select CRYPTO
diff --git a/drivers/net/wireless/iwlwifi/Kconfig b/drivers/net/wireless/iwlwifi/Kconfig
index c82c97be7bf..b16b06c2031 100644
--- a/drivers/net/wireless/iwlwifi/Kconfig
+++ b/drivers/net/wireless/iwlwifi/Kconfig
@@ -1,6 +1,6 @@
 config IWLWIFI
 	tristate "Intel Wireless Wifi"
-	depends on PCI && MAC80211 && WLAN_80211 && EXPERIMENTAL
+	depends on PCI && MAC80211 && EXPERIMENTAL
 	select FW_LOADER
 
 config IWLWIFI_SPECTRUM_MEASUREMENT
diff --git a/drivers/net/wireless/iwmc3200wifi/Kconfig b/drivers/net/wireless/iwmc3200wifi/Kconfig
index 9606b3100fd..b9d34a76696 100644
--- a/drivers/net/wireless/iwmc3200wifi/Kconfig
+++ b/drivers/net/wireless/iwmc3200wifi/Kconfig
@@ -1,6 +1,6 @@
 config IWM
 	tristate "Intel Wireless Multicomm 3200 WiFi driver"
-	depends on MMC && WLAN_80211 && EXPERIMENTAL
+	depends on MMC && EXPERIMENTAL
 	depends on CFG80211
 	select FW_LOADER
 	select IWMC3200TOP
diff --git a/drivers/net/wireless/libertas/Kconfig b/drivers/net/wireless/libertas/Kconfig
index 8f8d75b61ea..30aa9d48d67 100644
--- a/drivers/net/wireless/libertas/Kconfig
+++ b/drivers/net/wireless/libertas/Kconfig
@@ -1,6 +1,6 @@
 config LIBERTAS
 	tristate "Marvell 8xxx Libertas WLAN driver support"
-	depends on WLAN_80211 && CFG80211
+	depends on CFG80211
 	select WIRELESS_EXT
 	select WEXT_SPY
 	select LIB80211
diff --git a/drivers/net/wireless/orinoco/Kconfig b/drivers/net/wireless/orinoco/Kconfig
index dce652054af..e2a2c18920a 100644
--- a/drivers/net/wireless/orinoco/Kconfig
+++ b/drivers/net/wireless/orinoco/Kconfig
@@ -1,6 +1,6 @@
 config HERMES
 	tristate "Hermes chipset 802.11b support (Orinoco/Prism2/Symbol)"
-	depends on (PPC_PMAC || PCI || PCMCIA) && WLAN_80211
+	depends on (PPC_PMAC || PCI || PCMCIA)
 	depends on CFG80211 && CFG80211_WEXT
 	select WIRELESS_EXT
 	select WEXT_SPY
diff --git a/drivers/net/wireless/p54/Kconfig b/drivers/net/wireless/p54/Kconfig
index b45d6a4ed1e..b0342a520bf 100644
--- a/drivers/net/wireless/p54/Kconfig
+++ b/drivers/net/wireless/p54/Kconfig
@@ -1,6 +1,6 @@
 config P54_COMMON
 	tristate "Softmac Prism54 support"
-	depends on MAC80211 && WLAN_80211 && EXPERIMENTAL
+	depends on MAC80211 && EXPERIMENTAL
 	select FW_LOADER
 	---help---
 	  This is common code for isl38xx/stlc45xx based modules.
diff --git a/drivers/net/wireless/rt2x00/Kconfig b/drivers/net/wireless/rt2x00/Kconfig
index 390c0c7b3ac..a6796a13048 100644
--- a/drivers/net/wireless/rt2x00/Kconfig
+++ b/drivers/net/wireless/rt2x00/Kconfig
@@ -1,6 +1,6 @@
 menuconfig RT2X00
 	tristate "Ralink driver support"
-	depends on MAC80211 && WLAN_80211
+	depends on MAC80211
 	---help---
 	  This will enable the support for the Ralink drivers,
 	  developed in the rt2x00 project <http://rt2x00.serialmonkey.com>.
diff --git a/drivers/net/wireless/wl12xx/Kconfig b/drivers/net/wireless/wl12xx/Kconfig
index 88060e11754..33de7fa4f88 100644
--- a/drivers/net/wireless/wl12xx/Kconfig
+++ b/drivers/net/wireless/wl12xx/Kconfig
@@ -1,6 +1,6 @@
 menuconfig WL12XX
 	tristate "TI wl12xx driver support"
-	depends on MAC80211 && WLAN_80211 && EXPERIMENTAL
+	depends on MAC80211 && EXPERIMENTAL
 	---help---
 	  This will enable TI wl12xx driver support. The drivers make
 	  use of the mac80211 stack.
diff --git a/drivers/net/wireless/zd1211rw/Kconfig b/drivers/net/wireless/zd1211rw/Kconfig
index 74b31eafe72..5f809695f71 100644
--- a/drivers/net/wireless/zd1211rw/Kconfig
+++ b/drivers/net/wireless/zd1211rw/Kconfig
@@ -1,6 +1,6 @@
 config ZD1211RW
 	tristate "ZyDAS ZD1211/ZD1211B USB-wireless support"
-	depends on USB && MAC80211 && WLAN_80211 && EXPERIMENTAL
+	depends on USB && MAC80211 && EXPERIMENTAL
 	select FW_LOADER
 	---help---
 	  This is an experimental driver for the ZyDAS ZD1211/ZD1211B wireless
-- 
GitLab


From bc7601c38b5051fcc3c88f68437b2daace4aff53 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 27 Oct 2009 09:18:23 -0700
Subject: [PATCH 0756/1815] Staging: strip: add TODO file

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/staging/strip/TODO | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 drivers/staging/strip/TODO

diff --git a/drivers/staging/strip/TODO b/drivers/staging/strip/TODO
new file mode 100644
index 00000000000..9bd15a2f6d9
--- /dev/null
+++ b/drivers/staging/strip/TODO
@@ -0,0 +1,7 @@
+TODO:
+	- step up and maintain this driver to ensure that it continues
+	  to work.  Having the hardware for this is pretty much a
+	  requirement.  If this does not happen, the will be removed in
+	  the 2.6.35 kernel release.
+
+Please send patches to Greg Kroah-Hartman <greg@kroah.com>.
-- 
GitLab


From bcecf0ff98b4b55d65c8b0442803bd6b66f3d796 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 27 Oct 2009 09:18:24 -0700
Subject: [PATCH 0757/1815] Staging: arlan: add TODO file

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/staging/arlan/TODO | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 drivers/staging/arlan/TODO

diff --git a/drivers/staging/arlan/TODO b/drivers/staging/arlan/TODO
new file mode 100644
index 00000000000..9bd15a2f6d9
--- /dev/null
+++ b/drivers/staging/arlan/TODO
@@ -0,0 +1,7 @@
+TODO:
+	- step up and maintain this driver to ensure that it continues
+	  to work.  Having the hardware for this is pretty much a
+	  requirement.  If this does not happen, the will be removed in
+	  the 2.6.35 kernel release.
+
+Please send patches to Greg Kroah-Hartman <greg@kroah.com>.
-- 
GitLab


From 5cc49ab71a879f71f45b8c1bb6b1f883674a0dff Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 27 Oct 2009 09:18:25 -0700
Subject: [PATCH 0758/1815] Staging: wavelan: add TODO file

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/staging/wavelan/TODO | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 drivers/staging/wavelan/TODO

diff --git a/drivers/staging/wavelan/TODO b/drivers/staging/wavelan/TODO
new file mode 100644
index 00000000000..9bd15a2f6d9
--- /dev/null
+++ b/drivers/staging/wavelan/TODO
@@ -0,0 +1,7 @@
+TODO:
+	- step up and maintain this driver to ensure that it continues
+	  to work.  Having the hardware for this is pretty much a
+	  requirement.  If this does not happen, the will be removed in
+	  the 2.6.35 kernel release.
+
+Please send patches to Greg Kroah-Hartman <greg@kroah.com>.
-- 
GitLab


From f1f93cddfe713d20e9004c29a02e9c183e460a53 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 27 Oct 2009 09:18:26 -0700
Subject: [PATCH 0759/1815] Staging: netwave: add TODO file

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/staging/netwave/TODO | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 drivers/staging/netwave/TODO

diff --git a/drivers/staging/netwave/TODO b/drivers/staging/netwave/TODO
new file mode 100644
index 00000000000..9bd15a2f6d9
--- /dev/null
+++ b/drivers/staging/netwave/TODO
@@ -0,0 +1,7 @@
+TODO:
+	- step up and maintain this driver to ensure that it continues
+	  to work.  Having the hardware for this is pretty much a
+	  requirement.  If this does not happen, the will be removed in
+	  the 2.6.35 kernel release.
+
+Please send patches to Greg Kroah-Hartman <greg@kroah.com>.
-- 
GitLab


From 0cab6559f878f328906949c5c20cbbc411cddeb7 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Mon, 19 Oct 2009 02:33:32 -0400
Subject: [PATCH 0760/1815] ath9k_hw: modify the rf control register for ar9271
 revision 1.0

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/eeprom_4k.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/wireless/ath/ath9k/eeprom_4k.c b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
index 58167d861dc..68db16690ab 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_4k.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
@@ -1112,6 +1112,10 @@ static void ath9k_hw_4k_set_board_values(struct ath_hw *ah,
 
 	REG_RMW_FIELD(ah, AR_PHY_RF_CTL3, AR_PHY_TX_END_TO_A2_RX_ON,
 		      pModal->txEndToRxOn);
+
+	if (AR_SREV_9271_10(ah))
+		REG_RMW_FIELD(ah, AR_PHY_RF_CTL3, AR_PHY_TX_END_TO_A2_RX_ON,
+			      pModal->txEndToRxOn);
 	REG_RMW_FIELD(ah, AR_PHY_CCA, AR9280_PHY_CCA_THRESH62,
 		      pModal->thresh62);
 	REG_RMW_FIELD(ah, AR_PHY_EXT_CCA0, AR_PHY_EXT_CCA0_THRESH62,
-- 
GitLab


From 8564328d85f69121744d8337124857a2e726239b Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Mon, 19 Oct 2009 02:33:33 -0400
Subject: [PATCH 0761/1815] ath9k_hw: update register initialization/reset
 values for ar9271

This update the register initialization/reset values (aka initvals)
for ar9271 based on the last recommended values on 2009-06-04 by our
systems engineering team.

The changes account for:

  * Supporting ar9271 1.0 and ar9271 1.1 together, the difference
    is bb_spectral_scan_ena, for 1.0 we'll set this to 0x1.

  * Ensuring we get the correct noise floor values -115 ~ -118
    when we enable bb_enable_ant_div_lnadiv=0 and
    mc_tx_def_ant_sel=1. Previous to this we would get noise
    floor values in the range -50 ~ -80. To fix settings for
    the registers:

     - bb_ch1_xatten1_db
     - bb_ch1_xatten2_db
     - bb_ch1_xatten1_margin
     - bb_ch1_xatten2_margin
     - bb_ch1_gain_force
     - bb_ch1_xatten2_hyst_margin
     - bb_ch1_xatten1_hyst_margin
     - bb_ch1_max_oc_gain

  * 0x8120[2] mc_mic_new_location_enable is changed to 0x1. The MAC team
    suggest to set this value.

  * 0x9910[0] bb_spectral_scan_ena is changed to 0x0.
    For ar9271 1.1 we don't need to enable this bit.

Cc: Stephen Chen <Stephen.Chen@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.c       | 15 ++++++++----
 drivers/net/wireless/ath/ath9k/hw.h       |  1 +
 drivers/net/wireless/ath/ath9k/initvals.h | 29 +++++++++++++----------
 3 files changed, 29 insertions(+), 16 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 2fbadbee1aa..7cee89b81fc 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -662,10 +662,13 @@ static void ath9k_hw_init_cal_settings(struct ath_hw *ah)
 static void ath9k_hw_init_mode_regs(struct ath_hw *ah)
 {
 	if (AR_SREV_9271(ah)) {
-		INIT_INI_ARRAY(&ah->iniModes, ar9271Modes_9271_1_0,
-			       ARRAY_SIZE(ar9271Modes_9271_1_0), 6);
-		INIT_INI_ARRAY(&ah->iniCommon, ar9271Common_9271_1_0,
-			       ARRAY_SIZE(ar9271Common_9271_1_0), 2);
+		INIT_INI_ARRAY(&ah->iniModes, ar9271Modes_9271,
+			       ARRAY_SIZE(ar9271Modes_9271), 6);
+		INIT_INI_ARRAY(&ah->iniCommon, ar9271Common_9271,
+			       ARRAY_SIZE(ar9271Common_9271), 2);
+		INIT_INI_ARRAY(&ah->iniModes_9271_1_0_only,
+			       ar9271Modes_9271_1_0_only,
+			       ARRAY_SIZE(ar9271Modes_9271_1_0_only), 6);
 		return;
 	}
 
@@ -1492,6 +1495,10 @@ static int ath9k_hw_process_ini(struct ath_hw *ah,
 
 	ath9k_hw_write_regs(ah, modesIndex, freqIndex, regWrites);
 
+	if (AR_SREV_9271_10(ah))
+		REG_WRITE_ARRAY(&ah->iniModes_9271_1_0_only,
+				modesIndex, regWrites);
+
 	if (AR_SREV_9280_20(ah) && IS_CHAN_A_5MHZ_SPACED(chan)) {
 		REG_WRITE_ARRAY(&ah->iniModesAdditional, modesIndex,
 				regWrites);
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 33a5aec1856..48b6c71144a 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -596,6 +596,7 @@ struct ath_hw {
 	struct ar5416IniArray iniModesAdditional;
 	struct ar5416IniArray iniModesRxGain;
 	struct ar5416IniArray iniModesTxGain;
+	struct ar5416IniArray iniModes_9271_1_0_only;
 	struct ar5416IniArray iniCckfirNormal;
 	struct ar5416IniArray iniCckfirJapan2484;
 
diff --git a/drivers/net/wireless/ath/ath9k/initvals.h b/drivers/net/wireless/ath/ath9k/initvals.h
index 3ee6658d809..8a3bf3ab998 100644
--- a/drivers/net/wireless/ath/ath9k/initvals.h
+++ b/drivers/net/wireless/ath/ath9k/initvals.h
@@ -6379,8 +6379,8 @@ static const u_int32_t ar9287PciePhy_clkreq_off_L1_9287_1_1[][2] = {
 };
 
 
-/* AR9271 initialization values automaticaly created: 03/23/09 */
-static const u_int32_t ar9271Modes_9271_1_0[][6] = {
+/* AR9271 initialization values automaticaly created: 06/04/09 */
+static const u_int32_t ar9271Modes_9271[][6] = {
     { 0x00001030, 0x00000230, 0x00000460, 0x000002c0, 0x00000160, 0x000001e0 },
     { 0x00001070, 0x00000168, 0x000002d0, 0x00000318, 0x0000018c, 0x000001e0 },
     { 0x000010b0, 0x00000e60, 0x00001cc0, 0x00007c70, 0x00003e38, 0x00001180 },
@@ -6390,8 +6390,8 @@ static const u_int32_t ar9271Modes_9271_1_0[][6] = {
     { 0x00008318, 0x00003e80, 0x00007d00, 0x00006880, 0x00003440, 0x00006880 },
     { 0x00009804, 0x00000300, 0x000003c4, 0x000003c4, 0x00000300, 0x00000303 },
     { 0x00009820, 0x02020200, 0x02020200, 0x02020200, 0x02020200, 0x02020200 },
-    { 0x00009824, 0x00000e0e, 0x00000e0e, 0x00000e0e, 0x00000e0e, 0x00000e0e },
-    { 0x00009828, 0x0a020001, 0x0a020001, 0x0a020001, 0x0a020001, 0x0a020001 },
+    { 0x00009824, 0x01000e0e, 0x01000e0e, 0x01000e0e, 0x01000e0e, 0x01000e0e },
+    { 0x00009828, 0x3a020001, 0x3a020001, 0x3a020001, 0x3a020001, 0x3a020001 },
     { 0x00009834, 0x00000e0e, 0x00000e0e, 0x00000e0e, 0x00000e0e, 0x00000e0e },
     { 0x00009838, 0x00000007, 0x00000007, 0x00000007, 0x00000007, 0x00000007 },
     { 0x00009840, 0x206a012e, 0x206a012e, 0x206a012e, 0x206a012e, 0x206a012e },
@@ -6405,6 +6405,7 @@ static const u_int32_t ar9271Modes_9271_1_0[][6] = {
     { 0x00009864, 0x0000fe00, 0x0000fe00, 0x0001ce00, 0x0001ce00, 0x0001ce00 },
     { 0x00009868, 0x5ac640d0, 0x5ac640d0, 0x5ac640d0, 0x5ac640d0, 0x5ac640d0 },
     { 0x0000986c, 0x06903081, 0x06903081, 0x06903881, 0x06903881, 0x06903881 },
+    { 0x00009910, 0x30002310, 0x30002310, 0x30002310, 0x30002310, 0x30002310 },
     { 0x00009914, 0x000007d0, 0x00000fa0, 0x00001130, 0x00000898, 0x000007d0 },
     { 0x00009918, 0x0000000a, 0x00000014, 0x00000016, 0x0000000b, 0x00000016 },
     { 0x00009924, 0xd00a8007, 0xd00a8007, 0xd00a800d, 0xd00a800d, 0xd00a800d },
@@ -6415,7 +6416,7 @@ static const u_int32_t ar9271Modes_9271_1_0[][6] = {
     { 0x000099bc, 0x00000600, 0x00000600, 0x00000c00, 0x00000c00, 0x00000c00 },
     { 0x000099c0, 0x05eea6d4, 0x05eea6d4, 0x05eea6d4, 0x05eea6d4, 0x05eea6d4 },
     { 0x000099c4, 0x06336f77, 0x06336f77, 0x06336f77, 0x06336f77, 0x06336f77 },
-    { 0x000099c8, 0x6af65329, 0x6af65329, 0x6af65329, 0x6af65329, 0x6af65329 },
+    { 0x000099c8, 0x6af6532f, 0x6af6532f, 0x6af6532f, 0x6af6532f, 0x6af6532f },
     { 0x000099cc, 0x08f186c8, 0x08f186c8, 0x08f186c8, 0x08f186c8, 0x08f186c8 },
     { 0x000099d0, 0x00046384, 0x00046384, 0x00046384, 0x00046384, 0x00046384 },
     { 0x000099d4, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
@@ -6704,7 +6705,7 @@ static const u_int32_t ar9271Modes_9271_1_0[][6] = {
     { 0x0000a358, 0x7999aa02, 0x7999aa02, 0x7999aa0e, 0x7999aa0e, 0x7999aa0e },
 };
 
-static const u_int32_t ar9271Common_9271_1_0[][2] = {
+static const u_int32_t ar9271Common_9271[][2] = {
     { 0x0000000c, 0x00000000 },
     { 0x00000030, 0x00020045 },
     { 0x00000034, 0x00000005 },
@@ -6800,7 +6801,7 @@ static const u_int32_t ar9271Common_9271_1_0[][2] = {
     { 0x0000803c, 0x00000000 },
     { 0x00008048, 0x00000000 },
     { 0x00008054, 0x00000000 },
-    { 0x00008058, 0x02000000 },
+    { 0x00008058, 0x00000000 },
     { 0x0000805c, 0x000fc78f },
     { 0x00008060, 0x0000000f },
     { 0x00008064, 0x00000000 },
@@ -6831,7 +6832,7 @@ static const u_int32_t ar9271Common_9271_1_0[][2] = {
     { 0x00008110, 0x00000168 },
     { 0x00008118, 0x000100aa },
     { 0x0000811c, 0x00003210 },
-    { 0x00008120, 0x08f04814 },
+    { 0x00008120, 0x08f04810 },
     { 0x00008124, 0x00000000 },
     { 0x00008128, 0x00000000 },
     { 0x0000812c, 0x00000000 },
@@ -6878,7 +6879,7 @@ static const u_int32_t ar9271Common_9271_1_0[][2] = {
     { 0x00008258, 0x00000000 },
     { 0x0000825c, 0x400000ff },
     { 0x00008260, 0x00080922 },
-    { 0x00008264, 0xa8a00010 },
+    { 0x00008264, 0x88a00010 },
     { 0x00008270, 0x00000000 },
     { 0x00008274, 0x40000000 },
     { 0x00008278, 0x003e4180 },
@@ -6910,7 +6911,7 @@ static const u_int32_t ar9271Common_9271_1_0[][2] = {
     { 0x00007814, 0x924934a8 },
     { 0x0000781c, 0x00000000 },
     { 0x00007820, 0x00000c04 },
-    { 0x00007824, 0x00d86bff },
+    { 0x00007824, 0x00d8abff },
     { 0x00007828, 0x66964300 },
     { 0x0000782c, 0x8db6d961 },
     { 0x00007830, 0x8db6d96c },
@@ -6944,7 +6945,6 @@ static const u_int32_t ar9271Common_9271_1_0[][2] = {
     { 0x00009904, 0x00000000 },
     { 0x00009908, 0x00000000 },
     { 0x0000990c, 0x00000000 },
-    { 0x00009910, 0x30002310 },
     { 0x0000991c, 0x10000fff },
     { 0x00009920, 0x04900000 },
     { 0x00009928, 0x00000001 },
@@ -6958,7 +6958,7 @@ static const u_int32_t ar9271Common_9271_1_0[][2] = {
     { 0x00009954, 0x5f3ca3de },
     { 0x00009958, 0x0108ecff },
     { 0x00009968, 0x000003ce },
-    { 0x00009970, 0x192bb515 },
+    { 0x00009970, 0x192bb514 },
     { 0x00009974, 0x00000000 },
     { 0x00009978, 0x00000001 },
     { 0x0000997c, 0x00000000 },
@@ -7045,3 +7045,8 @@ static const u_int32_t ar9271Common_9271_1_0[][2] = {
     { 0x0000d380, 0x7f3c7bba },
     { 0x0000d384, 0xf3307ff0 },
 };
+
+static const u_int32_t ar9271Modes_9271_1_0_only[][6] = {
+    { 0x00009910, 0x30002311, 0x30002311, 0x30002311, 0x30002311, 0x30002311 },
+    { 0x00009828, 0x0a020001, 0x0a020001, 0x0a020001, 0x0a020001, 0x0a020001 },
+};
-- 
GitLab


From c75724d1747230abdd37d0594ac5277b867befd4 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Mon, 19 Oct 2009 02:33:34 -0400
Subject: [PATCH 0762/1815] ath9k_hw: change the way we initialize the pll for
 ar9271

We adjust the core clock for ar9271 to 117 MHz; this also
requires us to adjust the baud divider based on the targetted
baud rate.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.c  | 36 ++++++++++++++++++++++++++++
 drivers/net/wireless/ath/ath9k/reg.h |  3 +++
 2 files changed, 39 insertions(+)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 7cee89b81fc..be9c0b69188 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1040,6 +1040,22 @@ static void ath9k_hw_init_qos(struct ath_hw *ah)
 	REG_WRITE(ah, AR_TXOP_12_15, 0xFFFFFFFF);
 }
 
+static void ath9k_hw_change_target_baud(struct ath_hw *ah, u32 freq, u32 baud)
+{
+	u32 lcr;
+	u32 baud_divider = freq * 1000 * 1000 / 16 / baud;
+
+	lcr = REG_READ(ah , 0x5100c);
+	lcr |= 0x80;
+
+	REG_WRITE(ah, 0x5100c, lcr);
+	REG_WRITE(ah, 0x51004, (baud_divider >> 8));
+	REG_WRITE(ah, 0x51000, (baud_divider & 0xff));
+
+	lcr &= ~0x80;
+	REG_WRITE(ah, 0x5100c, lcr);
+}
+
 static void ath9k_hw_init_pll(struct ath_hw *ah,
 			      struct ath9k_channel *chan)
 {
@@ -1103,6 +1119,26 @@ static void ath9k_hw_init_pll(struct ath_hw *ah,
 	}
 	REG_WRITE(ah, AR_RTC_PLL_CONTROL, pll);
 
+	/* Switch the core clock for ar9271 to 117Mhz */
+	if (AR_SREV_9271(ah)) {
+		if ((pll == 0x142c) || (pll == 0x2850) ) {
+			udelay(500);
+			/* set CLKOBS to output AHB clock */
+			REG_WRITE(ah, 0x7020, 0xe);
+			/*
+			 * 0x304: 117Mhz, ahb_ratio: 1x1
+			 * 0x306: 40Mhz, ahb_ratio: 1x1
+			 */
+			REG_WRITE(ah, 0x50040, 0x304);
+			/*
+			 * makes adjustments for the baud dividor to keep the
+			 * targetted baud rate based on the used core clock.
+			 */
+			ath9k_hw_change_target_baud(ah, AR9271_CORE_CLOCK,
+						    AR9271_TARGET_BAUD_RATE);
+		}
+	}
+
 	udelay(RTC_PLL_SETTLE_DELAY);
 
 	REG_WRITE(ah, AR_RTC_SLEEP_CLK, AR_RTC_FORCE_DERIVED_CLK);
diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h
index ceed0095efa..061e12ce0b2 100644
--- a/drivers/net/wireless/ath/ath9k/reg.h
+++ b/drivers/net/wireless/ath/ath9k/reg.h
@@ -1704,4 +1704,7 @@ enum {
 #define AR_KEYTABLE_MAC0(_n)    (AR_KEYTABLE(_n) + 24)
 #define AR_KEYTABLE_MAC1(_n)    (AR_KEYTABLE(_n) + 28)
 
+#define AR9271_CORE_CLOCK	117   /* clock to 117Mhz */
+#define AR9271_TARGET_BAUD_RATE	19200 /* 115200 */
+
 #endif
-- 
GitLab


From 131d1d036ac7e7c8ad063581b57ba3bb5f7c881d Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Mon, 19 Oct 2009 02:33:35 -0400
Subject: [PATCH 0763/1815] ath9k_hw: start documenting 802.11n RF anlong front
 ends

Document what we can about the RF analog front ends (radios)
of Atheros 802.11n devices. What should be clearer now is the
what we do for old pre AR5416 and AR5418 MAC based devices in
comparison to the modern sigle-chip 802.11n solutions.

All devices after AR9280 are single chip and require less
programming -- the RF registers no longer need to be initialized
as they all have the RF analog front end embedded together with
the MAC/BB; this includes the AR9271. Older devices such as the
ones with the AR5416 MACs (PCI) or AR5418 MACs (PCI-E) have an
external 2.4 GHz AR2133 radio or a dual band 2.4 GHz / 5 GHz
AR5133 radio. These external radios require additional programming
of the RF registers.

Clarify which parts are for what devices and which code is
shared. This patch has no functional changes.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.h  |   9 ++
 drivers/net/wireless/ath/ath9k/phy.c | 166 ++++++++++++++++++++++++++-
 2 files changed, 170 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 48b6c71144a..007b41426b2 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -148,6 +148,15 @@ enum wireless_mode {
 	ATH9K_MODE_MAX,
 };
 
+/**
+ * ath9k_ant_setting - transmit antenna settings
+ *
+ * Configures the antenna setting to use for transmit.
+ *
+ * @ATH9K_ANT_VARIABLE: this means transmit on all active antennas
+ * @ATH9K_ANT_FIXED_A: this means transmit on the first antenna only
+ * @ATH9K_ANT_FIXED_B: this means transmit on the second antenna only
+ */
 enum ath9k_ant_setting {
 	ATH9K_ANT_VARIABLE = 0,
 	ATH9K_ANT_FIXED_A,
diff --git a/drivers/net/wireless/ath/ath9k/phy.c b/drivers/net/wireless/ath/ath9k/phy.c
index 72a17c43a5a..9e515033b87 100644
--- a/drivers/net/wireless/ath/ath9k/phy.c
+++ b/drivers/net/wireless/ath/ath9k/phy.c
@@ -14,8 +14,44 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+/**
+ * DOC: Programming Atheros 802.11n analog front end radios
+ *
+ * AR5416 MAC based PCI devices and AR518 MAC based PCI-Express
+ * devices have either an external AR2133 analog front end radio for single
+ * band 2.4 GHz communication or an AR5133 analog front end radio for dual
+ * band 2.4 GHz / 5 GHz communication.
+ *
+ * All devices after the AR5416 and AR5418 family starting with the AR9280
+ * have their analog front radios, MAC/BB and host PCIe/USB interface embedded
+ * into a single-chip and require less programming.
+ *
+ * The following single-chips exist with a respective embedded radio:
+ *
+ * AR9280 - 11n dual-band 2x2 MIMO for PCIe
+ * AR9281 - 11n single-band 1x2 MIMO for PCIe
+ * AR9285 - 11n single-band 1x1 for PCIe
+ * AR9287 - 11n single-band 2x2 MIMO for PCIe
+ *
+ * AR9220 - 11n dual-band 2x2 MIMO for PCI
+ * AR9223 - 11n single-band 2x2 MIMO for PCI
+ *
+ * AR9287 - 11n single-band 1x1 MIMO for USB
+ */
+
 #include "hw.h"
 
+/**
+ * ath9k_hw_write_regs - ??
+ *
+ * @ah: atheros hardware structure
+ * @modesIndex:
+ * @freqIndex:
+ * @regWrites:
+ *
+ * Used for both the chipsets with an external AR2133/AR5133 radios and
+ * single-chip devices.
+ */
 void
 ath9k_hw_write_regs(struct ath_hw *ah, u32 modesIndex, u32 freqIndex,
 		    int regWrites)
@@ -23,6 +59,15 @@ ath9k_hw_write_regs(struct ath_hw *ah, u32 modesIndex, u32 freqIndex,
 	REG_WRITE_ARRAY(&ah->iniBB_RfGain, freqIndex, regWrites);
 }
 
+/**
+ * ath9k_hw_set_channel - tune to a channel on the external AR2133/AR5133 radios
+ * @ah: atheros hardware stucture
+ * @chan:
+ *
+ * For the external AR2133/AR5133 radios, takes the MHz channel value and set
+ * the channel value. Assumes writes enabled to analog bus and bank6 register
+ * cache in ah->analogBank6Data.
+ */
 bool
 ath9k_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
 {
@@ -97,6 +142,27 @@ ath9k_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
 	return true;
 }
 
+/**
+ * ath9k_hw_ar9280_set_channel - set channel on single-chip device
+ * @ah: atheros hardware structure
+ * @chan:
+ *
+ * This is the function to change channel on single-chip devices, that is
+ * all devices after ar9280.
+ *
+ * This function takes the channel value in MHz and sets
+ * hardware channel value. Assumes writes have been enabled to analog bus.
+ *
+ * Actual Expression,
+ *
+ * For 2GHz channel,
+ * Channel Frequency = (3/4) * freq_ref * (chansel[8:0] + chanfrac[16:0]/2^17)
+ * (freq_ref = 40MHz)
+ *
+ * For 5GHz channel,
+ * Channel Frequency = (3/2) * freq_ref * (chansel[8:0] + chanfrac[16:0]/2^10)
+ * (freq_ref = 40MHz/(24>>amodeRefSel))
+ */
 void ath9k_hw_ar9280_set_channel(struct ath_hw *ah,
 				 struct ath9k_channel *chan)
 {
@@ -111,7 +177,7 @@ void ath9k_hw_ar9280_set_channel(struct ath_hw *ah,
 	reg32 = REG_READ(ah, AR_PHY_SYNTH_CONTROL);
 	reg32 &= 0xc0000000;
 
-	if (freq < 4800) {
+	if (freq < 4800) { /* 2 GHz, fractional mode */
 		u32 txctl;
 		int regWrites = 0;
 
@@ -122,6 +188,7 @@ void ath9k_hw_ar9280_set_channel(struct ath_hw *ah,
 
 		if (AR_SREV_9287_11_OR_LATER(ah)) {
 			if (freq == 2484) {
+				/* Enable channel spreading for channel 14 */
 				REG_WRITE_ARRAY(&ah->iniCckfirJapan2484,
 						1, regWrites);
 			} else {
@@ -155,10 +222,15 @@ void ath9k_hw_ar9280_set_channel(struct ath_hw *ah,
 		case 1:
 		default:
 			aModeRefSel = 0;
+			/*
+			 * Enable 2G (fractional) mode for channels
+			 * which are 5MHz spaced.
+			 */
 			fracMode = 1;
 			refDivA = 1;
 			channelSel = (freq * 0x8000) / 15;
 
+			/* RefDivA setting */
 			REG_RMW_FIELD(ah, AR_AN_SYNTH9,
 				      AR_AN_SYNTH9_REFDIVA, refDivA);
 
@@ -182,6 +254,17 @@ void ath9k_hw_ar9280_set_channel(struct ath_hw *ah,
 	ah->curchan_rad_index = -1;
 }
 
+/**
+ * ath9k_phy_modify_rx_buffer() - perform analog swizzling of parameters
+ * @rfbuf:
+ * @reg32:
+ * @numBits:
+ * @firstBit:
+ * @column:
+ *
+ * Performs analog "swizzling" of parameters into their location.
+ * Used on external AR2133/AR5133 radios.
+ */
 static void
 ath9k_phy_modify_rx_buffer(u32 *rfBuf, u32 reg32,
 			   u32 numBits, u32 firstBit,
@@ -209,6 +292,18 @@ ath9k_phy_modify_rx_buffer(u32 *rfBuf, u32 reg32,
 	}
 }
 
+/* *
+ * ath9k_hw_set_rf_regs - programs rf registers based on EEPROM
+ * @ah: atheros hardware structure
+ * @chan:
+ * @modesIndex:
+ *
+ * Used for the external AR2133/AR5133 radios.
+ *
+ * Reads the EEPROM header info from the device structure and programs
+ * all rf registers. This routine requires access to the analog
+ * rf device. This is not required for single-chip devices.
+ */
 bool
 ath9k_hw_set_rf_regs(struct ath_hw *ah, struct ath9k_channel *chan,
 		     u16 modesIndex)
@@ -218,17 +313,27 @@ ath9k_hw_set_rf_regs(struct ath_hw *ah, struct ath9k_channel *chan,
 	u32 ob2GHz = 0, db2GHz = 0;
 	int regWrites = 0;
 
+	/*
+	 * Software does not need to program bank data
+	 * for single chip devices, that is AR9280 or anything
+	 * after that.
+	 */
 	if (AR_SREV_9280_10_OR_LATER(ah))
 		return true;
 
+	/* Setup rf parameters */
 	eepMinorRev = ah->eep_ops->get_eeprom(ah, EEP_MINOR_REV);
 
+	/* Setup Bank 0 Write */
 	RF_BANK_SETUP(ah->analogBank0Data, &ah->iniBank0, 1);
 
+	/* Setup Bank 1 Write */
 	RF_BANK_SETUP(ah->analogBank1Data, &ah->iniBank1, 1);
 
+	/* Setup Bank 2 Write */
 	RF_BANK_SETUP(ah->analogBank2Data, &ah->iniBank2, 1);
 
+	/* Setup Bank 6 Write */
 	RF_BANK_SETUP(ah->analogBank3Data, &ah->iniBank3,
 		      modesIndex);
 	{
@@ -239,6 +344,7 @@ ath9k_hw_set_rf_regs(struct ath_hw *ah, struct ath9k_channel *chan,
 		}
 	}
 
+	/* Only the 5 or 2 GHz OB/DB need to be set for a mode */
 	if (eepMinorRev >= 2) {
 		if (IS_CHAN_2GHZ(chan)) {
 			ob2GHz = ah->eep_ops->get_eeprom(ah, EEP_OB_2);
@@ -257,8 +363,10 @@ ath9k_hw_set_rf_regs(struct ath_hw *ah, struct ath9k_channel *chan,
 		}
 	}
 
+	/* Setup Bank 7 Setup */
 	RF_BANK_SETUP(ah->analogBank7Data, &ah->iniBank7, 1);
 
+	/* Write Analog registers */
 	REG_WRITE_RF_ARRAY(&ah->iniBank0, ah->analogBank0Data,
 			   regWrites);
 	REG_WRITE_RF_ARRAY(&ah->iniBank1, ah->analogBank1Data,
@@ -275,6 +383,11 @@ ath9k_hw_set_rf_regs(struct ath_hw *ah, struct ath9k_channel *chan,
 	return true;
 }
 
+/**
+ * ath9k_hw_rf_free - Free memory for analog bank scratch buffers
+ * @ah: atheros hardware struture
+ * For the external AR2133/AR5133 radios.
+ */
 void
 ath9k_hw_rf_free(struct ath_hw *ah)
 {
@@ -295,6 +408,13 @@ ath9k_hw_rf_free(struct ath_hw *ah)
 #undef ATH_FREE_BANK
 }
 
+/**
+ * ath9k_hw_init_rf - initialize external radio structures
+ * @ah: atheros hardware structure
+ * @status:
+ *
+ * Only required for older devices with external AR2133/AR5133 radios.
+ */
 bool ath9k_hw_init_rf(struct ath_hw *ah, int *status)
 {
 	struct ath_common *common = ath9k_hw_common(ah);
@@ -360,6 +480,33 @@ bool ath9k_hw_init_rf(struct ath_hw *ah, int *status)
 	return true;
 }
 
+/**
+ * ath9k_hw_decrease_chain_power()
+ *
+ * @ah: atheros hardware structure
+ * @chan:
+ *
+ * Only used on the AR5416 and AR5418 with the external AR2133/AR5133 radios.
+ *
+ * Sets a chain internal RF path to the lowest output power. Any
+ * further writes to bank6 after this setting will override these
+ * changes. Thus this function must be the last function in the
+ * sequence to modify bank 6.
+ *
+ * This function must be called after ar5416SetRfRegs() which is
+ * called from ath9k_hw_process_ini() due to swizzling of bank 6.
+ * Depends on ah->analogBank6Data being initialized by
+ * ath9k_hw_set_rf_regs()
+ *
+ * Additional additive reduction in power -
+ * change chain's switch table so chain's tx state is actually the rx
+ * state value. May produce different results in 2GHz/5GHz as well as
+ * board to board but in general should be a reduction.
+ *
+ * Activated by #ifdef ALTER_SWITCH.  Not tried yet.  If so, must be
+ * called after ah->eep_ops->set_board_values() due to RMW of
+ * PHY_SWITCH_CHAIN_0.
+ */
 void
 ath9k_hw_decrease_chain_power(struct ath_hw *ah, struct ath9k_channel *chan)
 {
@@ -371,26 +518,35 @@ ath9k_hw_decrease_chain_power(struct ath_hw *ah, struct ath9k_channel *chan)
 	case ATH9K_ANT_FIXED_A:
 		bank6SelMask =
 		    (ah->config.antenna_switch_swap & ANTSWAP_AB) ?
-			REDUCE_CHAIN_0 : REDUCE_CHAIN_1;
+			REDUCE_CHAIN_0 : /* swapped, reduce chain 0 */
+			REDUCE_CHAIN_1; /* normal, select chain 1/2 to reduce */
 		break;
 	case ATH9K_ANT_FIXED_B:
 		bank6SelMask =
 		    (ah->config.antenna_switch_swap & ANTSWAP_AB) ?
-			REDUCE_CHAIN_1 : REDUCE_CHAIN_0;
+			REDUCE_CHAIN_1 : /* swapped, reduce chain 1/2 */
+			REDUCE_CHAIN_0; /* normal, select chain 0 to reduce */
 		break;
 	case ATH9K_ANT_VARIABLE:
-		return;
+		return; /* do not change anything */
 		break;
 	default:
-		return;
+		return; /* do not change anything */
 		break;
 	}
 
 	for (i = 0; i < ah->iniBank6.ia_rows; i++)
 		bank6Temp[i] = ah->analogBank6Data[i];
 
+	/* Write Bank 5 to switch Bank 6 write to selected chain only */
 	REG_WRITE(ah, AR_PHY_BASE + 0xD8, bank6SelMask);
 
+	/*
+	 * Modify Bank6 selected chain to use lowest amplification.
+	 * Modifies the parameters to a value of 1.
+	 * Depends on existing bank 6 values to be cached in
+	 * ah->analogBank6Data
+	 */
 	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 189, 0);
 	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 190, 0);
 	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 191, 0);
-- 
GitLab


From b67b4397cfbfca8f5c4fff2a36e00d81ef6a28c2 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Mon, 19 Oct 2009 02:33:36 -0400
Subject: [PATCH 0764/1815] ath9k_hw: bail out early on ath9k_hw_init_rf()

We a huge branch for old hardware and nothing for newer
hardware. Instead of doing this just bail out early for
newer hardware.

This patch has no functional changes.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/phy.c | 109 ++++++++++++++-------------
 1 file changed, 55 insertions(+), 54 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/phy.c b/drivers/net/wireless/ath/ath9k/phy.c
index 9e515033b87..bd4fb076cb0 100644
--- a/drivers/net/wireless/ath/ath9k/phy.c
+++ b/drivers/net/wireless/ath/ath9k/phy.c
@@ -419,62 +419,63 @@ bool ath9k_hw_init_rf(struct ath_hw *ah, int *status)
 {
 	struct ath_common *common = ath9k_hw_common(ah);
 
-	if (!AR_SREV_9280_10_OR_LATER(ah)) {
-		ah->analogBank0Data =
-		    kzalloc((sizeof(u32) *
-			     ah->iniBank0.ia_rows), GFP_KERNEL);
-		ah->analogBank1Data =
-		    kzalloc((sizeof(u32) *
-			     ah->iniBank1.ia_rows), GFP_KERNEL);
-		ah->analogBank2Data =
-		    kzalloc((sizeof(u32) *
-			     ah->iniBank2.ia_rows), GFP_KERNEL);
-		ah->analogBank3Data =
-		    kzalloc((sizeof(u32) *
-			     ah->iniBank3.ia_rows), GFP_KERNEL);
-		ah->analogBank6Data =
-		    kzalloc((sizeof(u32) *
-			     ah->iniBank6.ia_rows), GFP_KERNEL);
-		ah->analogBank6TPCData =
-		    kzalloc((sizeof(u32) *
-			     ah->iniBank6TPC.ia_rows), GFP_KERNEL);
-		ah->analogBank7Data =
-		    kzalloc((sizeof(u32) *
-			     ah->iniBank7.ia_rows), GFP_KERNEL);
-
-		if (ah->analogBank0Data == NULL
-		    || ah->analogBank1Data == NULL
-		    || ah->analogBank2Data == NULL
-		    || ah->analogBank3Data == NULL
-		    || ah->analogBank6Data == NULL
-		    || ah->analogBank6TPCData == NULL
-		    || ah->analogBank7Data == NULL) {
-			ath_print(common, ATH_DBG_FATAL,
-				  "Cannot allocate RF banks\n");
-			*status = -ENOMEM;
-			return false;
-		}
+	if (AR_SREV_9280_10_OR_LATER(ah))
+		return true;
 
-		ah->addac5416_21 =
-		    kzalloc((sizeof(u32) *
-			     ah->iniAddac.ia_rows *
-			     ah->iniAddac.ia_columns), GFP_KERNEL);
-		if (ah->addac5416_21 == NULL) {
-			ath_print(common, ATH_DBG_FATAL,
-				  "Cannot allocate addac5416_21\n");
-			*status = -ENOMEM;
-			return false;
-		}
+	ah->analogBank0Data =
+	    kzalloc((sizeof(u32) *
+		     ah->iniBank0.ia_rows), GFP_KERNEL);
+	ah->analogBank1Data =
+	    kzalloc((sizeof(u32) *
+		     ah->iniBank1.ia_rows), GFP_KERNEL);
+	ah->analogBank2Data =
+	    kzalloc((sizeof(u32) *
+		     ah->iniBank2.ia_rows), GFP_KERNEL);
+	ah->analogBank3Data =
+	    kzalloc((sizeof(u32) *
+		     ah->iniBank3.ia_rows), GFP_KERNEL);
+	ah->analogBank6Data =
+	    kzalloc((sizeof(u32) *
+		     ah->iniBank6.ia_rows), GFP_KERNEL);
+	ah->analogBank6TPCData =
+	    kzalloc((sizeof(u32) *
+		     ah->iniBank6TPC.ia_rows), GFP_KERNEL);
+	ah->analogBank7Data =
+	    kzalloc((sizeof(u32) *
+		     ah->iniBank7.ia_rows), GFP_KERNEL);
+
+	if (ah->analogBank0Data == NULL
+	    || ah->analogBank1Data == NULL
+	    || ah->analogBank2Data == NULL
+	    || ah->analogBank3Data == NULL
+	    || ah->analogBank6Data == NULL
+	    || ah->analogBank6TPCData == NULL
+	    || ah->analogBank7Data == NULL) {
+		ath_print(common, ATH_DBG_FATAL,
+			  "Cannot allocate RF banks\n");
+		*status = -ENOMEM;
+		return false;
+	}
 
-		ah->bank6Temp =
-		    kzalloc((sizeof(u32) *
-			     ah->iniBank6.ia_rows), GFP_KERNEL);
-		if (ah->bank6Temp == NULL) {
-			ath_print(common, ATH_DBG_FATAL,
-				  "Cannot allocate bank6Temp\n");
-			*status = -ENOMEM;
-			return false;
-		}
+	ah->addac5416_21 =
+	    kzalloc((sizeof(u32) *
+		     ah->iniAddac.ia_rows *
+		     ah->iniAddac.ia_columns), GFP_KERNEL);
+	if (ah->addac5416_21 == NULL) {
+		ath_print(common, ATH_DBG_FATAL,
+			  "Cannot allocate addac5416_21\n");
+		*status = -ENOMEM;
+		return false;
+	}
+
+	ah->bank6Temp =
+	    kzalloc((sizeof(u32) *
+		     ah->iniBank6.ia_rows), GFP_KERNEL);
+	if (ah->bank6Temp == NULL) {
+		ath_print(common, ATH_DBG_FATAL,
+			  "Cannot allocate bank6Temp\n");
+		*status = -ENOMEM;
+		return false;
 	}
 
 	return true;
-- 
GitLab


From 574d6b122d37549bc2817a4939d238f3d8b41da4 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Mon, 19 Oct 2009 02:33:37 -0400
Subject: [PATCH 0765/1815] ath9k_hw: simplify rf attach and rename to
 ath9k_hw_rf_alloc_ext_banks()

ath9k_hw_rfattach() was just calling a helper and this helper was
doing nothing for single-chip devices, and for non single-chip devices
it is just allocating memory for banks to program the RF registers
at a later time. Simplify this by having the hw initialization call
the rf bank allocation directly for external radios.

Also, propagate an -ENOMEM properly now upon failure.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.c  | 27 +++++++++------------------
 drivers/net/wireless/ath/ath9k/phy.c | 19 +++++++------------
 drivers/net/wireless/ath/ath9k/phy.h |  3 +--
 3 files changed, 17 insertions(+), 32 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index be9c0b69188..2e2516e1cd4 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -454,21 +454,6 @@ static void ath9k_hw_init_defaults(struct ath_hw *ah)
 	ah->power_mode = ATH9K_PM_UNDEFINED;
 }
 
-static int ath9k_hw_rfattach(struct ath_hw *ah)
-{
-	bool rfStatus = false;
-	int ecode = 0;
-
-	rfStatus = ath9k_hw_init_rf(ah, &ecode);
-	if (!rfStatus) {
-		ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
-			  "RF setup failed, status: %u\n", ecode);
-		return ecode;
-	}
-
-	return 0;
-}
-
 static int ath9k_hw_rf_claim(struct ath_hw *ah)
 {
 	u32 val;
@@ -585,9 +570,15 @@ static int ath9k_hw_post_init(struct ath_hw *ah)
 		  ah->eep_ops->get_eeprom_ver(ah),
 		  ah->eep_ops->get_eeprom_rev(ah));
 
-	ecode = ath9k_hw_rfattach(ah);
-	if (ecode != 0)
-		return ecode;
+        if (!AR_SREV_9280_10_OR_LATER(ah)) {
+		ecode = ath9k_hw_rf_alloc_ext_banks(ah);
+		if (ecode) {
+			ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
+				  "Failed allocating banks for "
+				  "external radio\n");
+			return ecode;
+		}
+	}
 
 	if (!AR_SREV_9100(ah)) {
 		ath9k_hw_ani_setup(ah);
diff --git a/drivers/net/wireless/ath/ath9k/phy.c b/drivers/net/wireless/ath/ath9k/phy.c
index bd4fb076cb0..f3136b2dfb7 100644
--- a/drivers/net/wireless/ath/ath9k/phy.c
+++ b/drivers/net/wireless/ath/ath9k/phy.c
@@ -409,18 +409,16 @@ ath9k_hw_rf_free(struct ath_hw *ah)
 }
 
 /**
- * ath9k_hw_init_rf - initialize external radio structures
+ * ath9k_hw_rf_alloc_ext_banks - allocates banks for external radio programming
  * @ah: atheros hardware structure
- * @status:
  *
  * Only required for older devices with external AR2133/AR5133 radios.
  */
-bool ath9k_hw_init_rf(struct ath_hw *ah, int *status)
+int ath9k_hw_rf_alloc_ext_banks(struct ath_hw *ah)
 {
 	struct ath_common *common = ath9k_hw_common(ah);
 
-	if (AR_SREV_9280_10_OR_LATER(ah))
-		return true;
+	BUG_ON(AR_SREV_9280_10_OR_LATER(ah));
 
 	ah->analogBank0Data =
 	    kzalloc((sizeof(u32) *
@@ -453,8 +451,7 @@ bool ath9k_hw_init_rf(struct ath_hw *ah, int *status)
 	    || ah->analogBank7Data == NULL) {
 		ath_print(common, ATH_DBG_FATAL,
 			  "Cannot allocate RF banks\n");
-		*status = -ENOMEM;
-		return false;
+		return -ENOMEM;
 	}
 
 	ah->addac5416_21 =
@@ -464,8 +461,7 @@ bool ath9k_hw_init_rf(struct ath_hw *ah, int *status)
 	if (ah->addac5416_21 == NULL) {
 		ath_print(common, ATH_DBG_FATAL,
 			  "Cannot allocate addac5416_21\n");
-		*status = -ENOMEM;
-		return false;
+		return -ENOMEM;
 	}
 
 	ah->bank6Temp =
@@ -474,11 +470,10 @@ bool ath9k_hw_init_rf(struct ath_hw *ah, int *status)
 	if (ah->bank6Temp == NULL) {
 		ath_print(common, ATH_DBG_FATAL,
 			  "Cannot allocate bank6Temp\n");
-		*status = -ENOMEM;
-		return false;
+		return -ENOMEM;
 	}
 
-	return true;
+	return 0;
 }
 
 /**
diff --git a/drivers/net/wireless/ath/ath9k/phy.h b/drivers/net/wireless/ath/ath9k/phy.h
index b64bc69d7bb..0bbbfbcfe3f 100644
--- a/drivers/net/wireless/ath/ath9k/phy.h
+++ b/drivers/net/wireless/ath/ath9k/phy.h
@@ -29,8 +29,7 @@ bool ath9k_hw_set_rf_regs(struct ath_hw *ah,
 			  u16 modesIndex);
 void ath9k_hw_decrease_chain_power(struct ath_hw *ah,
 				   struct ath9k_channel *chan);
-bool ath9k_hw_init_rf(struct ath_hw *ah,
-		      int *status);
+int ath9k_hw_rf_alloc_ext_banks(struct ath_hw *ah);
 
 #define AR_PHY_BASE     0x9800
 #define AR_PHY(_n)      (AR_PHY_BASE + ((_n)<<2))
-- 
GitLab


From 431ba3c6dce0256eafde43af221504f99a2fcc0a Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Mon, 19 Oct 2009 02:33:38 -0400
Subject: [PATCH 0766/1815] ath9k_hw: simplify ath9k_hw_rf_alloc_ext_banks()

This is calling an allocation and checking for it, simplify
this process in a macro.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/phy.c | 72 ++++++++--------------------
 1 file changed, 20 insertions(+), 52 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/phy.c b/drivers/net/wireless/ath/ath9k/phy.c
index f3136b2dfb7..923ea0b4517 100644
--- a/drivers/net/wireless/ath/ath9k/phy.c
+++ b/drivers/net/wireless/ath/ath9k/phy.c
@@ -416,64 +416,32 @@ ath9k_hw_rf_free(struct ath_hw *ah)
  */
 int ath9k_hw_rf_alloc_ext_banks(struct ath_hw *ah)
 {
+#define ATH_ALLOC_BANK(bank, size) do { \
+		bank = kzalloc((sizeof(u32) * size), GFP_KERNEL); \
+		if (!bank) { \
+			ath_print(common, ATH_DBG_FATAL, \
+				  "Cannot allocate RF banks\n"); \
+			return -ENOMEM; \
+		} \
+	} while (0);
+
 	struct ath_common *common = ath9k_hw_common(ah);
 
 	BUG_ON(AR_SREV_9280_10_OR_LATER(ah));
 
-	ah->analogBank0Data =
-	    kzalloc((sizeof(u32) *
-		     ah->iniBank0.ia_rows), GFP_KERNEL);
-	ah->analogBank1Data =
-	    kzalloc((sizeof(u32) *
-		     ah->iniBank1.ia_rows), GFP_KERNEL);
-	ah->analogBank2Data =
-	    kzalloc((sizeof(u32) *
-		     ah->iniBank2.ia_rows), GFP_KERNEL);
-	ah->analogBank3Data =
-	    kzalloc((sizeof(u32) *
-		     ah->iniBank3.ia_rows), GFP_KERNEL);
-	ah->analogBank6Data =
-	    kzalloc((sizeof(u32) *
-		     ah->iniBank6.ia_rows), GFP_KERNEL);
-	ah->analogBank6TPCData =
-	    kzalloc((sizeof(u32) *
-		     ah->iniBank6TPC.ia_rows), GFP_KERNEL);
-	ah->analogBank7Data =
-	    kzalloc((sizeof(u32) *
-		     ah->iniBank7.ia_rows), GFP_KERNEL);
-
-	if (ah->analogBank0Data == NULL
-	    || ah->analogBank1Data == NULL
-	    || ah->analogBank2Data == NULL
-	    || ah->analogBank3Data == NULL
-	    || ah->analogBank6Data == NULL
-	    || ah->analogBank6TPCData == NULL
-	    || ah->analogBank7Data == NULL) {
-		ath_print(common, ATH_DBG_FATAL,
-			  "Cannot allocate RF banks\n");
-		return -ENOMEM;
-	}
-
-	ah->addac5416_21 =
-	    kzalloc((sizeof(u32) *
-		     ah->iniAddac.ia_rows *
-		     ah->iniAddac.ia_columns), GFP_KERNEL);
-	if (ah->addac5416_21 == NULL) {
-		ath_print(common, ATH_DBG_FATAL,
-			  "Cannot allocate addac5416_21\n");
-		return -ENOMEM;
-	}
-
-	ah->bank6Temp =
-	    kzalloc((sizeof(u32) *
-		     ah->iniBank6.ia_rows), GFP_KERNEL);
-	if (ah->bank6Temp == NULL) {
-		ath_print(common, ATH_DBG_FATAL,
-			  "Cannot allocate bank6Temp\n");
-		return -ENOMEM;
-	}
+	ATH_ALLOC_BANK(ah->analogBank0Data, ah->iniBank0.ia_rows);
+	ATH_ALLOC_BANK(ah->analogBank1Data, ah->iniBank1.ia_rows);
+	ATH_ALLOC_BANK(ah->analogBank2Data, ah->iniBank2.ia_rows);
+	ATH_ALLOC_BANK(ah->analogBank3Data, ah->iniBank3.ia_rows);
+	ATH_ALLOC_BANK(ah->analogBank6Data, ah->iniBank6.ia_rows);
+	ATH_ALLOC_BANK(ah->analogBank6TPCData, ah->iniBank6TPC.ia_rows);
+	ATH_ALLOC_BANK(ah->analogBank7Data, ah->iniBank7.ia_rows);
+	ATH_ALLOC_BANK(ah->addac5416_21,
+		       ah->iniAddac.ia_rows * ah->iniAddac.ia_columns);
+	ATH_ALLOC_BANK(ah->bank6Temp, ah->iniBank6.ia_rows);
 
 	return 0;
+#undef ATH_ALLOC_BANK
 }
 
 /**
-- 
GitLab


From dc51dd503953a8bed545d10eb89fb3340a98879b Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Mon, 19 Oct 2009 02:33:39 -0400
Subject: [PATCH 0767/1815] ath9k_hw: rename ath9k_hw_rf_free() to
 ath9k_hw_rf_free_ext_banks()

This clarifies this is only required for external radios.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.c  | 3 ++-
 drivers/net/wireless/ath/ath9k/hw.h  | 1 -
 drivers/net/wireless/ath/ath9k/phy.c | 9 ++++++---
 drivers/net/wireless/ath/ath9k/phy.h | 2 ++
 4 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 2e2516e1cd4..4c3ff2e429e 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1282,7 +1282,8 @@ void ath9k_hw_detach(struct ath_hw *ah)
 	ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP);
 
 free_hw:
-	ath9k_hw_rf_free(ah);
+	if (!AR_SREV_9280_10_OR_LATER(ah))
+		ath9k_hw_rf_free_ext_banks(ah);
 	kfree(ah);
 	ah = NULL;
 }
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 007b41426b2..7f2b5d21f2f 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -628,7 +628,6 @@ static inline struct ath_regulatory *ath9k_hw_regulatory(struct ath_hw *ah)
 const char *ath9k_hw_probe(u16 vendorid, u16 devid);
 void ath9k_hw_detach(struct ath_hw *ah);
 int ath9k_hw_init(struct ath_hw *ah);
-void ath9k_hw_rf_free(struct ath_hw *ah);
 int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 		   bool bChannelChange);
 void ath9k_hw_fill_cap_info(struct ath_hw *ah);
diff --git a/drivers/net/wireless/ath/ath9k/phy.c b/drivers/net/wireless/ath/ath9k/phy.c
index 923ea0b4517..d50b5ff28b3 100644
--- a/drivers/net/wireless/ath/ath9k/phy.c
+++ b/drivers/net/wireless/ath/ath9k/phy.c
@@ -384,18 +384,20 @@ ath9k_hw_set_rf_regs(struct ath_hw *ah, struct ath9k_channel *chan,
 }
 
 /**
- * ath9k_hw_rf_free - Free memory for analog bank scratch buffers
+ * ath9k_hw_rf_free_ext_banks - Free memory for analog bank scratch buffers
  * @ah: atheros hardware struture
- * For the external AR2133/AR5133 radios.
+ * For the external AR2133/AR5133 radios banks.
  */
 void
-ath9k_hw_rf_free(struct ath_hw *ah)
+ath9k_hw_rf_free_ext_banks(struct ath_hw *ah)
 {
 #define ATH_FREE_BANK(bank) do { \
 		kfree(bank); \
 		bank = NULL; \
 	} while (0);
 
+	BUG_ON(AR_SREV_9280_10_OR_LATER(ah));
+
 	ATH_FREE_BANK(ah->analogBank0Data);
 	ATH_FREE_BANK(ah->analogBank1Data);
 	ATH_FREE_BANK(ah->analogBank2Data);
@@ -405,6 +407,7 @@ ath9k_hw_rf_free(struct ath_hw *ah)
 	ATH_FREE_BANK(ah->analogBank7Data);
 	ATH_FREE_BANK(ah->addac5416_21);
 	ATH_FREE_BANK(ah->bank6Temp);
+
 #undef ATH_FREE_BANK
 }
 
diff --git a/drivers/net/wireless/ath/ath9k/phy.h b/drivers/net/wireless/ath/ath9k/phy.h
index 0bbbfbcfe3f..477b606d09f 100644
--- a/drivers/net/wireless/ath/ath9k/phy.h
+++ b/drivers/net/wireless/ath/ath9k/phy.h
@@ -29,6 +29,8 @@ bool ath9k_hw_set_rf_regs(struct ath_hw *ah,
 			  u16 modesIndex);
 void ath9k_hw_decrease_chain_power(struct ath_hw *ah,
 				   struct ath9k_channel *chan);
+
+void ath9k_hw_rf_free_ext_banks(struct ath_hw *ah);
 int ath9k_hw_rf_alloc_ext_banks(struct ath_hw *ah);
 
 #define AR_PHY_BASE     0x9800
-- 
GitLab


From 0a3b7bac673ee9462f5defe808609746d27af50d Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Mon, 19 Oct 2009 02:33:40 -0400
Subject: [PATCH 0768/1815] ath9k_hw: make both analog channel change routines
 return int

This allows us to later define a callback for both.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.c  | 24 +++++++++++++-----------
 drivers/net/wireless/ath/ath9k/phy.c | 14 +++++++-------
 drivers/net/wireless/ath/ath9k/phy.h |  7 ++-----
 3 files changed, 22 insertions(+), 23 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 4c3ff2e429e..d4dc1cbe00a 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1868,6 +1868,7 @@ static bool ath9k_hw_channel_change(struct ath_hw *ah,
 	struct ath_common *common = ath9k_hw_common(ah);
 	struct ieee80211_channel *channel = chan->chan;
 	u32 synthDelay, qnum;
+	int r;
 
 	for (qnum = 0; qnum < AR_NUM_QCU; qnum++) {
 		if (ath9k_hw_numtxpending(ah, qnum)) {
@@ -1888,14 +1889,14 @@ static bool ath9k_hw_channel_change(struct ath_hw *ah,
 
 	ath9k_hw_set_regs(ah, chan);
 
-	if (AR_SREV_9280_10_OR_LATER(ah)) {
-		ath9k_hw_ar9280_set_channel(ah, chan);
-	} else {
-		if (!(ath9k_hw_set_channel(ah, chan))) {
-			ath_print(common, ATH_DBG_FATAL,
-				  "Failed to set channel\n");
-			return false;
-		}
+	if (AR_SREV_9280_10_OR_LATER(ah))
+		r = ath9k_hw_ar9280_set_channel(ah, chan);
+	else
+		r = ath9k_hw_set_channel(ah, chan);
+	if (r) {
+		ath_print(common, ATH_DBG_FATAL,
+			  "Failed to set channel\n");
+		return false;
 	}
 
 	ah->eep_ops->set_txpower(ah, chan,
@@ -2534,10 +2535,11 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 	REG_WRITE(ah, AR_RSSI_THR, INIT_RSSI_THR);
 
 	if (AR_SREV_9280_10_OR_LATER(ah))
-		ath9k_hw_ar9280_set_channel(ah, chan);
+		r = ath9k_hw_ar9280_set_channel(ah, chan);
 	else
-		if (!(ath9k_hw_set_channel(ah, chan)))
-			return -EIO;
+		r = ath9k_hw_set_channel(ah, chan);
+	if (r)
+		return r;
 
 	for (i = 0; i < AR_NUM_DCU; i++)
 		REG_WRITE(ah, AR_DQCUMASK(i), 1 << i);
diff --git a/drivers/net/wireless/ath/ath9k/phy.c b/drivers/net/wireless/ath/ath9k/phy.c
index d50b5ff28b3..bfcb9af4ae3 100644
--- a/drivers/net/wireless/ath/ath9k/phy.c
+++ b/drivers/net/wireless/ath/ath9k/phy.c
@@ -68,8 +68,7 @@ ath9k_hw_write_regs(struct ath_hw *ah, u32 modesIndex, u32 freqIndex,
  * the channel value. Assumes writes enabled to analog bus and bank6 register
  * cache in ah->analogBank6Data.
  */
-bool
-ath9k_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
+int ath9k_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
 {
 	struct ath_common *common = ath9k_hw_common(ah);
 	u32 channelSel = 0;
@@ -94,7 +93,7 @@ ath9k_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
 		} else {
 			ath_print(common, ATH_DBG_FATAL,
 				  "Invalid channel %u MHz\n", freq);
-			return false;
+			return -EINVAL;
 		}
 
 		channelSel = (channelSel << 2) & 0xff;
@@ -127,7 +126,7 @@ ath9k_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
 	} else {
 		ath_print(common, ATH_DBG_FATAL,
 			  "Invalid channel %u MHz\n", freq);
-		return false;
+		return -EINVAL;
 	}
 
 	reg32 =
@@ -139,7 +138,7 @@ ath9k_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
 	ah->curchan = chan;
 	ah->curchan_rad_index = -1;
 
-	return true;
+	return 0;
 }
 
 /**
@@ -163,8 +162,7 @@ ath9k_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
  * Channel Frequency = (3/2) * freq_ref * (chansel[8:0] + chanfrac[16:0]/2^10)
  * (freq_ref = 40MHz/(24>>amodeRefSel))
  */
-void ath9k_hw_ar9280_set_channel(struct ath_hw *ah,
-				 struct ath9k_channel *chan)
+int ath9k_hw_ar9280_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
 {
 	u16 bMode, fracMode, aModeRefSel = 0;
 	u32 freq, ndiv, channelSel = 0, channelFrac = 0, reg32 = 0;
@@ -252,6 +250,8 @@ void ath9k_hw_ar9280_set_channel(struct ath_hw *ah,
 
 	ah->curchan = chan;
 	ah->curchan_rad_index = -1;
+
+	return 0;
 }
 
 /**
diff --git a/drivers/net/wireless/ath/ath9k/phy.h b/drivers/net/wireless/ath/ath9k/phy.h
index 477b606d09f..bef9b41d250 100644
--- a/drivers/net/wireless/ath/ath9k/phy.h
+++ b/drivers/net/wireless/ath/ath9k/phy.h
@@ -17,11 +17,8 @@
 #ifndef PHY_H
 #define PHY_H
 
-void ath9k_hw_ar9280_set_channel(struct ath_hw *ah,
-				 struct ath9k_channel
-				 *chan);
-bool ath9k_hw_set_channel(struct ath_hw *ah,
-			  struct ath9k_channel *chan);
+int ath9k_hw_ar9280_set_channel(struct ath_hw *ah, struct ath9k_channel *chan);
+int ath9k_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan);
 void ath9k_hw_write_regs(struct ath_hw *ah, u32 modesIndex,
 			 u32 freqIndex, int regWrites);
 bool ath9k_hw_set_rf_regs(struct ath_hw *ah,
-- 
GitLab


From e68a060b5d88a72c06ec87864d20bea3f2a40629 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Mon, 19 Oct 2009 02:33:41 -0400
Subject: [PATCH 0769/1815] ath9k_hw: use a callback for frequency change

This avoids a branch on every channel change.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.c | 15 ++++++---------
 drivers/net/wireless/ath/ath9k/hw.h |  4 +++-
 2 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index d4dc1cbe00a..f2b2f45d3a7 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -951,8 +951,11 @@ int ath9k_hw_init(struct ath_hw *ah)
 	ath9k_hw_init_cal_settings(ah);
 
 	ah->ani_function = ATH9K_ANI_ALL;
-	if (AR_SREV_9280_10_OR_LATER(ah))
+	if (AR_SREV_9280_10_OR_LATER(ah)) {
 		ah->ani_function &= ~ATH9K_ANI_NOISE_IMMUNITY_LEVEL;
+		ah->ath9k_hw_rf_set_freq = &ath9k_hw_ar9280_set_channel;
+	} else
+		ah->ath9k_hw_rf_set_freq = &ath9k_hw_set_channel;
 
 	ath9k_hw_init_mode_regs(ah);
 
@@ -1889,10 +1892,7 @@ static bool ath9k_hw_channel_change(struct ath_hw *ah,
 
 	ath9k_hw_set_regs(ah, chan);
 
-	if (AR_SREV_9280_10_OR_LATER(ah))
-		r = ath9k_hw_ar9280_set_channel(ah, chan);
-	else
-		r = ath9k_hw_set_channel(ah, chan);
+	r = ah->ath9k_hw_rf_set_freq(ah, chan);
 	if (r) {
 		ath_print(common, ATH_DBG_FATAL,
 			  "Failed to set channel\n");
@@ -2534,10 +2534,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 
 	REG_WRITE(ah, AR_RSSI_THR, INIT_RSSI_THR);
 
-	if (AR_SREV_9280_10_OR_LATER(ah))
-		r = ath9k_hw_ar9280_set_channel(ah, chan);
-	else
-		r = ath9k_hw_set_channel(ah, chan);
+	r = ah->ath9k_hw_rf_set_freq(ah, chan);
 	if (r)
 		return r;
 
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 7f2b5d21f2f..dcf1295f4eb 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -548,7 +548,9 @@ struct ath_hw {
 		DONT_USE_32KHZ,
 	} enable_32kHz_clock;
 
-	/* RF */
+	/* Callback for radio frequency change */
+	int (*ath9k_hw_rf_set_freq)(struct ath_hw *ah, struct ath9k_channel *chan);
+	/* Used to program the radio on non single-chip devices */
 	u32 *analogBank0Data;
 	u32 *analogBank1Data;
 	u32 *analogBank2Data;
-- 
GitLab


From e16393bbb17e828aa433be9909462f9a61e4cbdb Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Mon, 19 Oct 2009 02:33:42 -0400
Subject: [PATCH 0770/1815] ath9k_hw: order phy.c code and integrate spur
 mitigation

This reorders phy.c routines in the order in the order in which they are used
and also moves the spur mitigation helpers for each type of chip into phy.c
as they are RF related.

This patch has no functional changes.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.c  | 453 ----------------
 drivers/net/wireless/ath/ath9k/phy.c | 779 +++++++++++++++++++++------
 drivers/net/wireless/ath/ath9k/phy.h |  19 +-
 3 files changed, 637 insertions(+), 614 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index f2b2f45d3a7..626667c3101 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -30,8 +30,6 @@ static void ath9k_hw_set_regs(struct ath_hw *ah, struct ath9k_channel *chan);
 static u32 ath9k_hw_ini_fixup(struct ath_hw *ah,
 			      struct ar5416_eeprom_def *pEepData,
 			      u32 reg, u32 value);
-static void ath9k_hw_9280_spur_mitigate(struct ath_hw *ah, struct ath9k_channel *chan);
-static void ath9k_hw_spur_mitigate(struct ath_hw *ah, struct ath9k_channel *chan);
 
 MODULE_AUTHOR("Atheros Communications");
 MODULE_DESCRIPTION("Support for Atheros 802.11n wireless LAN cards.");
@@ -1930,457 +1928,6 @@ static bool ath9k_hw_channel_change(struct ath_hw *ah,
 	return true;
 }
 
-static void ath9k_hw_9280_spur_mitigate(struct ath_hw *ah, struct ath9k_channel *chan)
-{
-	int bb_spur = AR_NO_SPUR;
-	int freq;
-	int bin, cur_bin;
-	int bb_spur_off, spur_subchannel_sd;
-	int spur_freq_sd;
-	int spur_delta_phase;
-	int denominator;
-	int upper, lower, cur_vit_mask;
-	int tmp, newVal;
-	int i;
-	int pilot_mask_reg[4] = { AR_PHY_TIMING7, AR_PHY_TIMING8,
-			  AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60
-	};
-	int chan_mask_reg[4] = { AR_PHY_TIMING9, AR_PHY_TIMING10,
-			 AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60
-	};
-	int inc[4] = { 0, 100, 0, 0 };
-	struct chan_centers centers;
-
-	int8_t mask_m[123];
-	int8_t mask_p[123];
-	int8_t mask_amt;
-	int tmp_mask;
-	int cur_bb_spur;
-	bool is2GHz = IS_CHAN_2GHZ(chan);
-
-	memset(&mask_m, 0, sizeof(int8_t) * 123);
-	memset(&mask_p, 0, sizeof(int8_t) * 123);
-
-	ath9k_hw_get_channel_centers(ah, chan, &centers);
-	freq = centers.synth_center;
-
-	ah->config.spurmode = SPUR_ENABLE_EEPROM;
-	for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
-		cur_bb_spur = ah->eep_ops->get_spur_channel(ah, i, is2GHz);
-
-		if (is2GHz)
-			cur_bb_spur = (cur_bb_spur / 10) + AR_BASE_FREQ_2GHZ;
-		else
-			cur_bb_spur = (cur_bb_spur / 10) + AR_BASE_FREQ_5GHZ;
-
-		if (AR_NO_SPUR == cur_bb_spur)
-			break;
-		cur_bb_spur = cur_bb_spur - freq;
-
-		if (IS_CHAN_HT40(chan)) {
-			if ((cur_bb_spur > -AR_SPUR_FEEQ_BOUND_HT40) &&
-			    (cur_bb_spur < AR_SPUR_FEEQ_BOUND_HT40)) {
-				bb_spur = cur_bb_spur;
-				break;
-			}
-		} else if ((cur_bb_spur > -AR_SPUR_FEEQ_BOUND_HT20) &&
-			   (cur_bb_spur < AR_SPUR_FEEQ_BOUND_HT20)) {
-			bb_spur = cur_bb_spur;
-			break;
-		}
-	}
-
-	if (AR_NO_SPUR == bb_spur) {
-		REG_CLR_BIT(ah, AR_PHY_FORCE_CLKEN_CCK,
-			    AR_PHY_FORCE_CLKEN_CCK_MRC_MUX);
-		return;
-	} else {
-		REG_CLR_BIT(ah, AR_PHY_FORCE_CLKEN_CCK,
-			    AR_PHY_FORCE_CLKEN_CCK_MRC_MUX);
-	}
-
-	bin = bb_spur * 320;
-
-	tmp = REG_READ(ah, AR_PHY_TIMING_CTRL4(0));
-
-	newVal = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI |
-			AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER |
-			AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK |
-			AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK);
-	REG_WRITE(ah, AR_PHY_TIMING_CTRL4(0), newVal);
-
-	newVal = (AR_PHY_SPUR_REG_MASK_RATE_CNTL |
-		  AR_PHY_SPUR_REG_ENABLE_MASK_PPM |
-		  AR_PHY_SPUR_REG_MASK_RATE_SELECT |
-		  AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI |
-		  SM(SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH));
-	REG_WRITE(ah, AR_PHY_SPUR_REG, newVal);
-
-	if (IS_CHAN_HT40(chan)) {
-		if (bb_spur < 0) {
-			spur_subchannel_sd = 1;
-			bb_spur_off = bb_spur + 10;
-		} else {
-			spur_subchannel_sd = 0;
-			bb_spur_off = bb_spur - 10;
-		}
-	} else {
-		spur_subchannel_sd = 0;
-		bb_spur_off = bb_spur;
-	}
-
-	if (IS_CHAN_HT40(chan))
-		spur_delta_phase =
-			((bb_spur * 262144) /
-			 10) & AR_PHY_TIMING11_SPUR_DELTA_PHASE;
-	else
-		spur_delta_phase =
-			((bb_spur * 524288) /
-			 10) & AR_PHY_TIMING11_SPUR_DELTA_PHASE;
-
-	denominator = IS_CHAN_2GHZ(chan) ? 44 : 40;
-	spur_freq_sd = ((bb_spur_off * 2048) / denominator) & 0x3ff;
-
-	newVal = (AR_PHY_TIMING11_USE_SPUR_IN_AGC |
-		  SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) |
-		  SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE));
-	REG_WRITE(ah, AR_PHY_TIMING11, newVal);
-
-	newVal = spur_subchannel_sd << AR_PHY_SFCORR_SPUR_SUBCHNL_SD_S;
-	REG_WRITE(ah, AR_PHY_SFCORR_EXT, newVal);
-
-	cur_bin = -6000;
-	upper = bin + 100;
-	lower = bin - 100;
-
-	for (i = 0; i < 4; i++) {
-		int pilot_mask = 0;
-		int chan_mask = 0;
-		int bp = 0;
-		for (bp = 0; bp < 30; bp++) {
-			if ((cur_bin > lower) && (cur_bin < upper)) {
-				pilot_mask = pilot_mask | 0x1 << bp;
-				chan_mask = chan_mask | 0x1 << bp;
-			}
-			cur_bin += 100;
-		}
-		cur_bin += inc[i];
-		REG_WRITE(ah, pilot_mask_reg[i], pilot_mask);
-		REG_WRITE(ah, chan_mask_reg[i], chan_mask);
-	}
-
-	cur_vit_mask = 6100;
-	upper = bin + 120;
-	lower = bin - 120;
-
-	for (i = 0; i < 123; i++) {
-		if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) {
-
-			/* workaround for gcc bug #37014 */
-			volatile int tmp_v = abs(cur_vit_mask - bin);
-
-			if (tmp_v < 75)
-				mask_amt = 1;
-			else
-				mask_amt = 0;
-			if (cur_vit_mask < 0)
-				mask_m[abs(cur_vit_mask / 100)] = mask_amt;
-			else
-				mask_p[cur_vit_mask / 100] = mask_amt;
-		}
-		cur_vit_mask -= 100;
-	}
-
-	tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28)
-		| (mask_m[48] << 26) | (mask_m[49] << 24)
-		| (mask_m[50] << 22) | (mask_m[51] << 20)
-		| (mask_m[52] << 18) | (mask_m[53] << 16)
-		| (mask_m[54] << 14) | (mask_m[55] << 12)
-		| (mask_m[56] << 10) | (mask_m[57] << 8)
-		| (mask_m[58] << 6) | (mask_m[59] << 4)
-		| (mask_m[60] << 2) | (mask_m[61] << 0);
-	REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask);
-	REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask);
-
-	tmp_mask = (mask_m[31] << 28)
-		| (mask_m[32] << 26) | (mask_m[33] << 24)
-		| (mask_m[34] << 22) | (mask_m[35] << 20)
-		| (mask_m[36] << 18) | (mask_m[37] << 16)
-		| (mask_m[48] << 14) | (mask_m[39] << 12)
-		| (mask_m[40] << 10) | (mask_m[41] << 8)
-		| (mask_m[42] << 6) | (mask_m[43] << 4)
-		| (mask_m[44] << 2) | (mask_m[45] << 0);
-	REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask);
-	REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask);
-
-	tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28)
-		| (mask_m[18] << 26) | (mask_m[18] << 24)
-		| (mask_m[20] << 22) | (mask_m[20] << 20)
-		| (mask_m[22] << 18) | (mask_m[22] << 16)
-		| (mask_m[24] << 14) | (mask_m[24] << 12)
-		| (mask_m[25] << 10) | (mask_m[26] << 8)
-		| (mask_m[27] << 6) | (mask_m[28] << 4)
-		| (mask_m[29] << 2) | (mask_m[30] << 0);
-	REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask);
-	REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask);
-
-	tmp_mask = (mask_m[0] << 30) | (mask_m[1] << 28)
-		| (mask_m[2] << 26) | (mask_m[3] << 24)
-		| (mask_m[4] << 22) | (mask_m[5] << 20)
-		| (mask_m[6] << 18) | (mask_m[7] << 16)
-		| (mask_m[8] << 14) | (mask_m[9] << 12)
-		| (mask_m[10] << 10) | (mask_m[11] << 8)
-		| (mask_m[12] << 6) | (mask_m[13] << 4)
-		| (mask_m[14] << 2) | (mask_m[15] << 0);
-	REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask);
-	REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask);
-
-	tmp_mask = (mask_p[15] << 28)
-		| (mask_p[14] << 26) | (mask_p[13] << 24)
-		| (mask_p[12] << 22) | (mask_p[11] << 20)
-		| (mask_p[10] << 18) | (mask_p[9] << 16)
-		| (mask_p[8] << 14) | (mask_p[7] << 12)
-		| (mask_p[6] << 10) | (mask_p[5] << 8)
-		| (mask_p[4] << 6) | (mask_p[3] << 4)
-		| (mask_p[2] << 2) | (mask_p[1] << 0);
-	REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask);
-	REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask);
-
-	tmp_mask = (mask_p[30] << 28)
-		| (mask_p[29] << 26) | (mask_p[28] << 24)
-		| (mask_p[27] << 22) | (mask_p[26] << 20)
-		| (mask_p[25] << 18) | (mask_p[24] << 16)
-		| (mask_p[23] << 14) | (mask_p[22] << 12)
-		| (mask_p[21] << 10) | (mask_p[20] << 8)
-		| (mask_p[19] << 6) | (mask_p[18] << 4)
-		| (mask_p[17] << 2) | (mask_p[16] << 0);
-	REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask);
-	REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask);
-
-	tmp_mask = (mask_p[45] << 28)
-		| (mask_p[44] << 26) | (mask_p[43] << 24)
-		| (mask_p[42] << 22) | (mask_p[41] << 20)
-		| (mask_p[40] << 18) | (mask_p[39] << 16)
-		| (mask_p[38] << 14) | (mask_p[37] << 12)
-		| (mask_p[36] << 10) | (mask_p[35] << 8)
-		| (mask_p[34] << 6) | (mask_p[33] << 4)
-		| (mask_p[32] << 2) | (mask_p[31] << 0);
-	REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask);
-	REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask);
-
-	tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28)
-		| (mask_p[59] << 26) | (mask_p[58] << 24)
-		| (mask_p[57] << 22) | (mask_p[56] << 20)
-		| (mask_p[55] << 18) | (mask_p[54] << 16)
-		| (mask_p[53] << 14) | (mask_p[52] << 12)
-		| (mask_p[51] << 10) | (mask_p[50] << 8)
-		| (mask_p[49] << 6) | (mask_p[48] << 4)
-		| (mask_p[47] << 2) | (mask_p[46] << 0);
-	REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask);
-	REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask);
-}
-
-static void ath9k_hw_spur_mitigate(struct ath_hw *ah, struct ath9k_channel *chan)
-{
-	int bb_spur = AR_NO_SPUR;
-	int bin, cur_bin;
-	int spur_freq_sd;
-	int spur_delta_phase;
-	int denominator;
-	int upper, lower, cur_vit_mask;
-	int tmp, new;
-	int i;
-	int pilot_mask_reg[4] = { AR_PHY_TIMING7, AR_PHY_TIMING8,
-			  AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60
-	};
-	int chan_mask_reg[4] = { AR_PHY_TIMING9, AR_PHY_TIMING10,
-			 AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60
-	};
-	int inc[4] = { 0, 100, 0, 0 };
-
-	int8_t mask_m[123];
-	int8_t mask_p[123];
-	int8_t mask_amt;
-	int tmp_mask;
-	int cur_bb_spur;
-	bool is2GHz = IS_CHAN_2GHZ(chan);
-
-	memset(&mask_m, 0, sizeof(int8_t) * 123);
-	memset(&mask_p, 0, sizeof(int8_t) * 123);
-
-	for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
-		cur_bb_spur = ah->eep_ops->get_spur_channel(ah, i, is2GHz);
-		if (AR_NO_SPUR == cur_bb_spur)
-			break;
-		cur_bb_spur = cur_bb_spur - (chan->channel * 10);
-		if ((cur_bb_spur > -95) && (cur_bb_spur < 95)) {
-			bb_spur = cur_bb_spur;
-			break;
-		}
-	}
-
-	if (AR_NO_SPUR == bb_spur)
-		return;
-
-	bin = bb_spur * 32;
-
-	tmp = REG_READ(ah, AR_PHY_TIMING_CTRL4(0));
-	new = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI |
-		     AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER |
-		     AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK |
-		     AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK);
-
-	REG_WRITE(ah, AR_PHY_TIMING_CTRL4(0), new);
-
-	new = (AR_PHY_SPUR_REG_MASK_RATE_CNTL |
-	       AR_PHY_SPUR_REG_ENABLE_MASK_PPM |
-	       AR_PHY_SPUR_REG_MASK_RATE_SELECT |
-	       AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI |
-	       SM(SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH));
-	REG_WRITE(ah, AR_PHY_SPUR_REG, new);
-
-	spur_delta_phase = ((bb_spur * 524288) / 100) &
-		AR_PHY_TIMING11_SPUR_DELTA_PHASE;
-
-	denominator = IS_CHAN_2GHZ(chan) ? 440 : 400;
-	spur_freq_sd = ((bb_spur * 2048) / denominator) & 0x3ff;
-
-	new = (AR_PHY_TIMING11_USE_SPUR_IN_AGC |
-	       SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) |
-	       SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE));
-	REG_WRITE(ah, AR_PHY_TIMING11, new);
-
-	cur_bin = -6000;
-	upper = bin + 100;
-	lower = bin - 100;
-
-	for (i = 0; i < 4; i++) {
-		int pilot_mask = 0;
-		int chan_mask = 0;
-		int bp = 0;
-		for (bp = 0; bp < 30; bp++) {
-			if ((cur_bin > lower) && (cur_bin < upper)) {
-				pilot_mask = pilot_mask | 0x1 << bp;
-				chan_mask = chan_mask | 0x1 << bp;
-			}
-			cur_bin += 100;
-		}
-		cur_bin += inc[i];
-		REG_WRITE(ah, pilot_mask_reg[i], pilot_mask);
-		REG_WRITE(ah, chan_mask_reg[i], chan_mask);
-	}
-
-	cur_vit_mask = 6100;
-	upper = bin + 120;
-	lower = bin - 120;
-
-	for (i = 0; i < 123; i++) {
-		if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) {
-
-			/* workaround for gcc bug #37014 */
-			volatile int tmp_v = abs(cur_vit_mask - bin);
-
-			if (tmp_v < 75)
-				mask_amt = 1;
-			else
-				mask_amt = 0;
-			if (cur_vit_mask < 0)
-				mask_m[abs(cur_vit_mask / 100)] = mask_amt;
-			else
-				mask_p[cur_vit_mask / 100] = mask_amt;
-		}
-		cur_vit_mask -= 100;
-	}
-
-	tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28)
-		| (mask_m[48] << 26) | (mask_m[49] << 24)
-		| (mask_m[50] << 22) | (mask_m[51] << 20)
-		| (mask_m[52] << 18) | (mask_m[53] << 16)
-		| (mask_m[54] << 14) | (mask_m[55] << 12)
-		| (mask_m[56] << 10) | (mask_m[57] << 8)
-		| (mask_m[58] << 6) | (mask_m[59] << 4)
-		| (mask_m[60] << 2) | (mask_m[61] << 0);
-	REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask);
-	REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask);
-
-	tmp_mask = (mask_m[31] << 28)
-		| (mask_m[32] << 26) | (mask_m[33] << 24)
-		| (mask_m[34] << 22) | (mask_m[35] << 20)
-		| (mask_m[36] << 18) | (mask_m[37] << 16)
-		| (mask_m[48] << 14) | (mask_m[39] << 12)
-		| (mask_m[40] << 10) | (mask_m[41] << 8)
-		| (mask_m[42] << 6) | (mask_m[43] << 4)
-		| (mask_m[44] << 2) | (mask_m[45] << 0);
-	REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask);
-	REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask);
-
-	tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28)
-		| (mask_m[18] << 26) | (mask_m[18] << 24)
-		| (mask_m[20] << 22) | (mask_m[20] << 20)
-		| (mask_m[22] << 18) | (mask_m[22] << 16)
-		| (mask_m[24] << 14) | (mask_m[24] << 12)
-		| (mask_m[25] << 10) | (mask_m[26] << 8)
-		| (mask_m[27] << 6) | (mask_m[28] << 4)
-		| (mask_m[29] << 2) | (mask_m[30] << 0);
-	REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask);
-	REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask);
-
-	tmp_mask = (mask_m[0] << 30) | (mask_m[1] << 28)
-		| (mask_m[2] << 26) | (mask_m[3] << 24)
-		| (mask_m[4] << 22) | (mask_m[5] << 20)
-		| (mask_m[6] << 18) | (mask_m[7] << 16)
-		| (mask_m[8] << 14) | (mask_m[9] << 12)
-		| (mask_m[10] << 10) | (mask_m[11] << 8)
-		| (mask_m[12] << 6) | (mask_m[13] << 4)
-		| (mask_m[14] << 2) | (mask_m[15] << 0);
-	REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask);
-	REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask);
-
-	tmp_mask = (mask_p[15] << 28)
-		| (mask_p[14] << 26) | (mask_p[13] << 24)
-		| (mask_p[12] << 22) | (mask_p[11] << 20)
-		| (mask_p[10] << 18) | (mask_p[9] << 16)
-		| (mask_p[8] << 14) | (mask_p[7] << 12)
-		| (mask_p[6] << 10) | (mask_p[5] << 8)
-		| (mask_p[4] << 6) | (mask_p[3] << 4)
-		| (mask_p[2] << 2) | (mask_p[1] << 0);
-	REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask);
-	REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask);
-
-	tmp_mask = (mask_p[30] << 28)
-		| (mask_p[29] << 26) | (mask_p[28] << 24)
-		| (mask_p[27] << 22) | (mask_p[26] << 20)
-		| (mask_p[25] << 18) | (mask_p[24] << 16)
-		| (mask_p[23] << 14) | (mask_p[22] << 12)
-		| (mask_p[21] << 10) | (mask_p[20] << 8)
-		| (mask_p[19] << 6) | (mask_p[18] << 4)
-		| (mask_p[17] << 2) | (mask_p[16] << 0);
-	REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask);
-	REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask);
-
-	tmp_mask = (mask_p[45] << 28)
-		| (mask_p[44] << 26) | (mask_p[43] << 24)
-		| (mask_p[42] << 22) | (mask_p[41] << 20)
-		| (mask_p[40] << 18) | (mask_p[39] << 16)
-		| (mask_p[38] << 14) | (mask_p[37] << 12)
-		| (mask_p[36] << 10) | (mask_p[35] << 8)
-		| (mask_p[34] << 6) | (mask_p[33] << 4)
-		| (mask_p[32] << 2) | (mask_p[31] << 0);
-	REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask);
-	REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask);
-
-	tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28)
-		| (mask_p[59] << 26) | (mask_p[58] << 24)
-		| (mask_p[57] << 22) | (mask_p[56] << 20)
-		| (mask_p[55] << 18) | (mask_p[54] << 16)
-		| (mask_p[53] << 14) | (mask_p[52] << 12)
-		| (mask_p[51] << 10) | (mask_p[50] << 8)
-		| (mask_p[49] << 6) | (mask_p[48] << 4)
-		| (mask_p[47] << 2) | (mask_p[46] << 0);
-	REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask);
-	REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask);
-}
-
 static void ath9k_enable_rfkill(struct ath_hw *ah)
 {
 	REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL,
diff --git a/drivers/net/wireless/ath/ath9k/phy.c b/drivers/net/wireless/ath/ath9k/phy.c
index bfcb9af4ae3..8e4c3bd84bc 100644
--- a/drivers/net/wireless/ath/ath9k/phy.c
+++ b/drivers/net/wireless/ath/ath9k/phy.c
@@ -52,95 +52,12 @@
  * Used for both the chipsets with an external AR2133/AR5133 radios and
  * single-chip devices.
  */
-void
-ath9k_hw_write_regs(struct ath_hw *ah, u32 modesIndex, u32 freqIndex,
-		    int regWrites)
+void ath9k_hw_write_regs(struct ath_hw *ah, u32 modesIndex,
+			 u32 freqIndex, int regWrites)
 {
 	REG_WRITE_ARRAY(&ah->iniBB_RfGain, freqIndex, regWrites);
 }
 
-/**
- * ath9k_hw_set_channel - tune to a channel on the external AR2133/AR5133 radios
- * @ah: atheros hardware stucture
- * @chan:
- *
- * For the external AR2133/AR5133 radios, takes the MHz channel value and set
- * the channel value. Assumes writes enabled to analog bus and bank6 register
- * cache in ah->analogBank6Data.
- */
-int ath9k_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
-{
-	struct ath_common *common = ath9k_hw_common(ah);
-	u32 channelSel = 0;
-	u32 bModeSynth = 0;
-	u32 aModeRefSel = 0;
-	u32 reg32 = 0;
-	u16 freq;
-	struct chan_centers centers;
-
-	ath9k_hw_get_channel_centers(ah, chan, &centers);
-	freq = centers.synth_center;
-
-	if (freq < 4800) {
-		u32 txctl;
-
-		if (((freq - 2192) % 5) == 0) {
-			channelSel = ((freq - 672) * 2 - 3040) / 10;
-			bModeSynth = 0;
-		} else if (((freq - 2224) % 5) == 0) {
-			channelSel = ((freq - 704) * 2 - 3040) / 10;
-			bModeSynth = 1;
-		} else {
-			ath_print(common, ATH_DBG_FATAL,
-				  "Invalid channel %u MHz\n", freq);
-			return -EINVAL;
-		}
-
-		channelSel = (channelSel << 2) & 0xff;
-		channelSel = ath9k_hw_reverse_bits(channelSel, 8);
-
-		txctl = REG_READ(ah, AR_PHY_CCK_TX_CTRL);
-		if (freq == 2484) {
-
-			REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
-				  txctl | AR_PHY_CCK_TX_CTRL_JAPAN);
-		} else {
-			REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
-				  txctl & ~AR_PHY_CCK_TX_CTRL_JAPAN);
-		}
-
-	} else if ((freq % 20) == 0 && freq >= 5120) {
-		channelSel =
-		    ath9k_hw_reverse_bits(((freq - 4800) / 20 << 2), 8);
-		aModeRefSel = ath9k_hw_reverse_bits(1, 2);
-	} else if ((freq % 10) == 0) {
-		channelSel =
-		    ath9k_hw_reverse_bits(((freq - 4800) / 10 << 1), 8);
-		if (AR_SREV_9100(ah) || AR_SREV_9160_10_OR_LATER(ah))
-			aModeRefSel = ath9k_hw_reverse_bits(2, 2);
-		else
-			aModeRefSel = ath9k_hw_reverse_bits(1, 2);
-	} else if ((freq % 5) == 0) {
-		channelSel = ath9k_hw_reverse_bits((freq - 4800) / 5, 8);
-		aModeRefSel = ath9k_hw_reverse_bits(1, 2);
-	} else {
-		ath_print(common, ATH_DBG_FATAL,
-			  "Invalid channel %u MHz\n", freq);
-		return -EINVAL;
-	}
-
-	reg32 =
-	    (channelSel << 8) | (aModeRefSel << 2) | (bModeSynth << 1) |
-	    (1 << 5) | 0x1;
-
-	REG_WRITE(ah, AR_PHY(0x37), reg32);
-
-	ah->curchan = chan;
-	ah->curchan_rad_index = -1;
-
-	return 0;
-}
-
 /**
  * ath9k_hw_ar9280_set_channel - set channel on single-chip device
  * @ah: atheros hardware structure
@@ -254,6 +171,622 @@ int ath9k_hw_ar9280_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
 	return 0;
 }
 
+/**
+ * ath9k_hw_9280_spur_mitigate - convert baseband spur frequency
+ * @ah: atheros hardware structure
+ * @chan:
+ *
+ * For single-chip solutions. Converts to baseband spur frequency given the
+ * input channel frequency and compute register settings below.
+ */
+void ath9k_hw_9280_spur_mitigate(struct ath_hw *ah, struct ath9k_channel *chan)
+{
+	int bb_spur = AR_NO_SPUR;
+	int freq;
+	int bin, cur_bin;
+	int bb_spur_off, spur_subchannel_sd;
+	int spur_freq_sd;
+	int spur_delta_phase;
+	int denominator;
+	int upper, lower, cur_vit_mask;
+	int tmp, newVal;
+	int i;
+	int pilot_mask_reg[4] = { AR_PHY_TIMING7, AR_PHY_TIMING8,
+			  AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60
+	};
+	int chan_mask_reg[4] = { AR_PHY_TIMING9, AR_PHY_TIMING10,
+			 AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60
+	};
+	int inc[4] = { 0, 100, 0, 0 };
+	struct chan_centers centers;
+
+	int8_t mask_m[123];
+	int8_t mask_p[123];
+	int8_t mask_amt;
+	int tmp_mask;
+	int cur_bb_spur;
+	bool is2GHz = IS_CHAN_2GHZ(chan);
+
+	memset(&mask_m, 0, sizeof(int8_t) * 123);
+	memset(&mask_p, 0, sizeof(int8_t) * 123);
+
+	ath9k_hw_get_channel_centers(ah, chan, &centers);
+	freq = centers.synth_center;
+
+	ah->config.spurmode = SPUR_ENABLE_EEPROM;
+	for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
+		cur_bb_spur = ah->eep_ops->get_spur_channel(ah, i, is2GHz);
+
+		if (is2GHz)
+			cur_bb_spur = (cur_bb_spur / 10) + AR_BASE_FREQ_2GHZ;
+		else
+			cur_bb_spur = (cur_bb_spur / 10) + AR_BASE_FREQ_5GHZ;
+
+		if (AR_NO_SPUR == cur_bb_spur)
+			break;
+		cur_bb_spur = cur_bb_spur - freq;
+
+		if (IS_CHAN_HT40(chan)) {
+			if ((cur_bb_spur > -AR_SPUR_FEEQ_BOUND_HT40) &&
+			    (cur_bb_spur < AR_SPUR_FEEQ_BOUND_HT40)) {
+				bb_spur = cur_bb_spur;
+				break;
+			}
+		} else if ((cur_bb_spur > -AR_SPUR_FEEQ_BOUND_HT20) &&
+			   (cur_bb_spur < AR_SPUR_FEEQ_BOUND_HT20)) {
+			bb_spur = cur_bb_spur;
+			break;
+		}
+	}
+
+	if (AR_NO_SPUR == bb_spur) {
+		REG_CLR_BIT(ah, AR_PHY_FORCE_CLKEN_CCK,
+			    AR_PHY_FORCE_CLKEN_CCK_MRC_MUX);
+		return;
+	} else {
+		REG_CLR_BIT(ah, AR_PHY_FORCE_CLKEN_CCK,
+			    AR_PHY_FORCE_CLKEN_CCK_MRC_MUX);
+	}
+
+	bin = bb_spur * 320;
+
+	tmp = REG_READ(ah, AR_PHY_TIMING_CTRL4(0));
+
+	newVal = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI |
+			AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER |
+			AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK |
+			AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK);
+	REG_WRITE(ah, AR_PHY_TIMING_CTRL4(0), newVal);
+
+	newVal = (AR_PHY_SPUR_REG_MASK_RATE_CNTL |
+		  AR_PHY_SPUR_REG_ENABLE_MASK_PPM |
+		  AR_PHY_SPUR_REG_MASK_RATE_SELECT |
+		  AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI |
+		  SM(SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH));
+	REG_WRITE(ah, AR_PHY_SPUR_REG, newVal);
+
+	if (IS_CHAN_HT40(chan)) {
+		if (bb_spur < 0) {
+			spur_subchannel_sd = 1;
+			bb_spur_off = bb_spur + 10;
+		} else {
+			spur_subchannel_sd = 0;
+			bb_spur_off = bb_spur - 10;
+		}
+	} else {
+		spur_subchannel_sd = 0;
+		bb_spur_off = bb_spur;
+	}
+
+	if (IS_CHAN_HT40(chan))
+		spur_delta_phase =
+			((bb_spur * 262144) /
+			 10) & AR_PHY_TIMING11_SPUR_DELTA_PHASE;
+	else
+		spur_delta_phase =
+			((bb_spur * 524288) /
+			 10) & AR_PHY_TIMING11_SPUR_DELTA_PHASE;
+
+	denominator = IS_CHAN_2GHZ(chan) ? 44 : 40;
+	spur_freq_sd = ((bb_spur_off * 2048) / denominator) & 0x3ff;
+
+	newVal = (AR_PHY_TIMING11_USE_SPUR_IN_AGC |
+		  SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) |
+		  SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE));
+	REG_WRITE(ah, AR_PHY_TIMING11, newVal);
+
+	newVal = spur_subchannel_sd << AR_PHY_SFCORR_SPUR_SUBCHNL_SD_S;
+	REG_WRITE(ah, AR_PHY_SFCORR_EXT, newVal);
+
+	cur_bin = -6000;
+	upper = bin + 100;
+	lower = bin - 100;
+
+	for (i = 0; i < 4; i++) {
+		int pilot_mask = 0;
+		int chan_mask = 0;
+		int bp = 0;
+		for (bp = 0; bp < 30; bp++) {
+			if ((cur_bin > lower) && (cur_bin < upper)) {
+				pilot_mask = pilot_mask | 0x1 << bp;
+				chan_mask = chan_mask | 0x1 << bp;
+			}
+			cur_bin += 100;
+		}
+		cur_bin += inc[i];
+		REG_WRITE(ah, pilot_mask_reg[i], pilot_mask);
+		REG_WRITE(ah, chan_mask_reg[i], chan_mask);
+	}
+
+	cur_vit_mask = 6100;
+	upper = bin + 120;
+	lower = bin - 120;
+
+	for (i = 0; i < 123; i++) {
+		if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) {
+
+			/* workaround for gcc bug #37014 */
+			volatile int tmp_v = abs(cur_vit_mask - bin);
+
+			if (tmp_v < 75)
+				mask_amt = 1;
+			else
+				mask_amt = 0;
+			if (cur_vit_mask < 0)
+				mask_m[abs(cur_vit_mask / 100)] = mask_amt;
+			else
+				mask_p[cur_vit_mask / 100] = mask_amt;
+		}
+		cur_vit_mask -= 100;
+	}
+
+	tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28)
+		| (mask_m[48] << 26) | (mask_m[49] << 24)
+		| (mask_m[50] << 22) | (mask_m[51] << 20)
+		| (mask_m[52] << 18) | (mask_m[53] << 16)
+		| (mask_m[54] << 14) | (mask_m[55] << 12)
+		| (mask_m[56] << 10) | (mask_m[57] << 8)
+		| (mask_m[58] << 6) | (mask_m[59] << 4)
+		| (mask_m[60] << 2) | (mask_m[61] << 0);
+	REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask);
+	REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask);
+
+	tmp_mask = (mask_m[31] << 28)
+		| (mask_m[32] << 26) | (mask_m[33] << 24)
+		| (mask_m[34] << 22) | (mask_m[35] << 20)
+		| (mask_m[36] << 18) | (mask_m[37] << 16)
+		| (mask_m[48] << 14) | (mask_m[39] << 12)
+		| (mask_m[40] << 10) | (mask_m[41] << 8)
+		| (mask_m[42] << 6) | (mask_m[43] << 4)
+		| (mask_m[44] << 2) | (mask_m[45] << 0);
+	REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask);
+	REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask);
+
+	tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28)
+		| (mask_m[18] << 26) | (mask_m[18] << 24)
+		| (mask_m[20] << 22) | (mask_m[20] << 20)
+		| (mask_m[22] << 18) | (mask_m[22] << 16)
+		| (mask_m[24] << 14) | (mask_m[24] << 12)
+		| (mask_m[25] << 10) | (mask_m[26] << 8)
+		| (mask_m[27] << 6) | (mask_m[28] << 4)
+		| (mask_m[29] << 2) | (mask_m[30] << 0);
+	REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask);
+	REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask);
+
+	tmp_mask = (mask_m[0] << 30) | (mask_m[1] << 28)
+		| (mask_m[2] << 26) | (mask_m[3] << 24)
+		| (mask_m[4] << 22) | (mask_m[5] << 20)
+		| (mask_m[6] << 18) | (mask_m[7] << 16)
+		| (mask_m[8] << 14) | (mask_m[9] << 12)
+		| (mask_m[10] << 10) | (mask_m[11] << 8)
+		| (mask_m[12] << 6) | (mask_m[13] << 4)
+		| (mask_m[14] << 2) | (mask_m[15] << 0);
+	REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask);
+	REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask);
+
+	tmp_mask = (mask_p[15] << 28)
+		| (mask_p[14] << 26) | (mask_p[13] << 24)
+		| (mask_p[12] << 22) | (mask_p[11] << 20)
+		| (mask_p[10] << 18) | (mask_p[9] << 16)
+		| (mask_p[8] << 14) | (mask_p[7] << 12)
+		| (mask_p[6] << 10) | (mask_p[5] << 8)
+		| (mask_p[4] << 6) | (mask_p[3] << 4)
+		| (mask_p[2] << 2) | (mask_p[1] << 0);
+	REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask);
+	REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask);
+
+	tmp_mask = (mask_p[30] << 28)
+		| (mask_p[29] << 26) | (mask_p[28] << 24)
+		| (mask_p[27] << 22) | (mask_p[26] << 20)
+		| (mask_p[25] << 18) | (mask_p[24] << 16)
+		| (mask_p[23] << 14) | (mask_p[22] << 12)
+		| (mask_p[21] << 10) | (mask_p[20] << 8)
+		| (mask_p[19] << 6) | (mask_p[18] << 4)
+		| (mask_p[17] << 2) | (mask_p[16] << 0);
+	REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask);
+	REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask);
+
+	tmp_mask = (mask_p[45] << 28)
+		| (mask_p[44] << 26) | (mask_p[43] << 24)
+		| (mask_p[42] << 22) | (mask_p[41] << 20)
+		| (mask_p[40] << 18) | (mask_p[39] << 16)
+		| (mask_p[38] << 14) | (mask_p[37] << 12)
+		| (mask_p[36] << 10) | (mask_p[35] << 8)
+		| (mask_p[34] << 6) | (mask_p[33] << 4)
+		| (mask_p[32] << 2) | (mask_p[31] << 0);
+	REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask);
+	REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask);
+
+	tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28)
+		| (mask_p[59] << 26) | (mask_p[58] << 24)
+		| (mask_p[57] << 22) | (mask_p[56] << 20)
+		| (mask_p[55] << 18) | (mask_p[54] << 16)
+		| (mask_p[53] << 14) | (mask_p[52] << 12)
+		| (mask_p[51] << 10) | (mask_p[50] << 8)
+		| (mask_p[49] << 6) | (mask_p[48] << 4)
+		| (mask_p[47] << 2) | (mask_p[46] << 0);
+	REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask);
+	REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask);
+}
+
+/* All code below is for non single-chip solutions */
+
+/**
+ * ath9k_hw_set_channel - tune to a channel on the external AR2133/AR5133 radios
+ * @ah: atheros hardware stucture
+ * @chan:
+ *
+ * For the external AR2133/AR5133 radios, takes the MHz channel value and set
+ * the channel value. Assumes writes enabled to analog bus and bank6 register
+ * cache in ah->analogBank6Data.
+ */
+int ath9k_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
+{
+	struct ath_common *common = ath9k_hw_common(ah);
+	u32 channelSel = 0;
+	u32 bModeSynth = 0;
+	u32 aModeRefSel = 0;
+	u32 reg32 = 0;
+	u16 freq;
+	struct chan_centers centers;
+
+	ath9k_hw_get_channel_centers(ah, chan, &centers);
+	freq = centers.synth_center;
+
+	if (freq < 4800) {
+		u32 txctl;
+
+		if (((freq - 2192) % 5) == 0) {
+			channelSel = ((freq - 672) * 2 - 3040) / 10;
+			bModeSynth = 0;
+		} else if (((freq - 2224) % 5) == 0) {
+			channelSel = ((freq - 704) * 2 - 3040) / 10;
+			bModeSynth = 1;
+		} else {
+			ath_print(common, ATH_DBG_FATAL,
+				  "Invalid channel %u MHz\n", freq);
+			return -EINVAL;
+		}
+
+		channelSel = (channelSel << 2) & 0xff;
+		channelSel = ath9k_hw_reverse_bits(channelSel, 8);
+
+		txctl = REG_READ(ah, AR_PHY_CCK_TX_CTRL);
+		if (freq == 2484) {
+
+			REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
+				  txctl | AR_PHY_CCK_TX_CTRL_JAPAN);
+		} else {
+			REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
+				  txctl & ~AR_PHY_CCK_TX_CTRL_JAPAN);
+		}
+
+	} else if ((freq % 20) == 0 && freq >= 5120) {
+		channelSel =
+		    ath9k_hw_reverse_bits(((freq - 4800) / 20 << 2), 8);
+		aModeRefSel = ath9k_hw_reverse_bits(1, 2);
+	} else if ((freq % 10) == 0) {
+		channelSel =
+		    ath9k_hw_reverse_bits(((freq - 4800) / 10 << 1), 8);
+		if (AR_SREV_9100(ah) || AR_SREV_9160_10_OR_LATER(ah))
+			aModeRefSel = ath9k_hw_reverse_bits(2, 2);
+		else
+			aModeRefSel = ath9k_hw_reverse_bits(1, 2);
+	} else if ((freq % 5) == 0) {
+		channelSel = ath9k_hw_reverse_bits((freq - 4800) / 5, 8);
+		aModeRefSel = ath9k_hw_reverse_bits(1, 2);
+	} else {
+		ath_print(common, ATH_DBG_FATAL,
+			  "Invalid channel %u MHz\n", freq);
+		return -EINVAL;
+	}
+
+	reg32 =
+	    (channelSel << 8) | (aModeRefSel << 2) | (bModeSynth << 1) |
+	    (1 << 5) | 0x1;
+
+	REG_WRITE(ah, AR_PHY(0x37), reg32);
+
+	ah->curchan = chan;
+	ah->curchan_rad_index = -1;
+
+	return 0;
+}
+
+/**
+ * ath9k_hw_spur_mitigate - convert baseband spur frequency for external radios
+ * @ah: atheros hardware structure
+ * @chan:
+ *
+ * For non single-chip solutions. Converts to baseband spur frequency given the
+ * input channel frequency and compute register settings below.
+ */
+void ath9k_hw_spur_mitigate(struct ath_hw *ah, struct ath9k_channel *chan)
+{
+	int bb_spur = AR_NO_SPUR;
+	int bin, cur_bin;
+	int spur_freq_sd;
+	int spur_delta_phase;
+	int denominator;
+	int upper, lower, cur_vit_mask;
+	int tmp, new;
+	int i;
+	int pilot_mask_reg[4] = { AR_PHY_TIMING7, AR_PHY_TIMING8,
+			  AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60
+	};
+	int chan_mask_reg[4] = { AR_PHY_TIMING9, AR_PHY_TIMING10,
+			 AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60
+	};
+	int inc[4] = { 0, 100, 0, 0 };
+
+	int8_t mask_m[123];
+	int8_t mask_p[123];
+	int8_t mask_amt;
+	int tmp_mask;
+	int cur_bb_spur;
+	bool is2GHz = IS_CHAN_2GHZ(chan);
+
+	memset(&mask_m, 0, sizeof(int8_t) * 123);
+	memset(&mask_p, 0, sizeof(int8_t) * 123);
+
+	for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
+		cur_bb_spur = ah->eep_ops->get_spur_channel(ah, i, is2GHz);
+		if (AR_NO_SPUR == cur_bb_spur)
+			break;
+		cur_bb_spur = cur_bb_spur - (chan->channel * 10);
+		if ((cur_bb_spur > -95) && (cur_bb_spur < 95)) {
+			bb_spur = cur_bb_spur;
+			break;
+		}
+	}
+
+	if (AR_NO_SPUR == bb_spur)
+		return;
+
+	bin = bb_spur * 32;
+
+	tmp = REG_READ(ah, AR_PHY_TIMING_CTRL4(0));
+	new = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI |
+		     AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER |
+		     AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK |
+		     AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK);
+
+	REG_WRITE(ah, AR_PHY_TIMING_CTRL4(0), new);
+
+	new = (AR_PHY_SPUR_REG_MASK_RATE_CNTL |
+	       AR_PHY_SPUR_REG_ENABLE_MASK_PPM |
+	       AR_PHY_SPUR_REG_MASK_RATE_SELECT |
+	       AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI |
+	       SM(SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH));
+	REG_WRITE(ah, AR_PHY_SPUR_REG, new);
+
+	spur_delta_phase = ((bb_spur * 524288) / 100) &
+		AR_PHY_TIMING11_SPUR_DELTA_PHASE;
+
+	denominator = IS_CHAN_2GHZ(chan) ? 440 : 400;
+	spur_freq_sd = ((bb_spur * 2048) / denominator) & 0x3ff;
+
+	new = (AR_PHY_TIMING11_USE_SPUR_IN_AGC |
+	       SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) |
+	       SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE));
+	REG_WRITE(ah, AR_PHY_TIMING11, new);
+
+	cur_bin = -6000;
+	upper = bin + 100;
+	lower = bin - 100;
+
+	for (i = 0; i < 4; i++) {
+		int pilot_mask = 0;
+		int chan_mask = 0;
+		int bp = 0;
+		for (bp = 0; bp < 30; bp++) {
+			if ((cur_bin > lower) && (cur_bin < upper)) {
+				pilot_mask = pilot_mask | 0x1 << bp;
+				chan_mask = chan_mask | 0x1 << bp;
+			}
+			cur_bin += 100;
+		}
+		cur_bin += inc[i];
+		REG_WRITE(ah, pilot_mask_reg[i], pilot_mask);
+		REG_WRITE(ah, chan_mask_reg[i], chan_mask);
+	}
+
+	cur_vit_mask = 6100;
+	upper = bin + 120;
+	lower = bin - 120;
+
+	for (i = 0; i < 123; i++) {
+		if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) {
+
+			/* workaround for gcc bug #37014 */
+			volatile int tmp_v = abs(cur_vit_mask - bin);
+
+			if (tmp_v < 75)
+				mask_amt = 1;
+			else
+				mask_amt = 0;
+			if (cur_vit_mask < 0)
+				mask_m[abs(cur_vit_mask / 100)] = mask_amt;
+			else
+				mask_p[cur_vit_mask / 100] = mask_amt;
+		}
+		cur_vit_mask -= 100;
+	}
+
+	tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28)
+		| (mask_m[48] << 26) | (mask_m[49] << 24)
+		| (mask_m[50] << 22) | (mask_m[51] << 20)
+		| (mask_m[52] << 18) | (mask_m[53] << 16)
+		| (mask_m[54] << 14) | (mask_m[55] << 12)
+		| (mask_m[56] << 10) | (mask_m[57] << 8)
+		| (mask_m[58] << 6) | (mask_m[59] << 4)
+		| (mask_m[60] << 2) | (mask_m[61] << 0);
+	REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask);
+	REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask);
+
+	tmp_mask = (mask_m[31] << 28)
+		| (mask_m[32] << 26) | (mask_m[33] << 24)
+		| (mask_m[34] << 22) | (mask_m[35] << 20)
+		| (mask_m[36] << 18) | (mask_m[37] << 16)
+		| (mask_m[48] << 14) | (mask_m[39] << 12)
+		| (mask_m[40] << 10) | (mask_m[41] << 8)
+		| (mask_m[42] << 6) | (mask_m[43] << 4)
+		| (mask_m[44] << 2) | (mask_m[45] << 0);
+	REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask);
+	REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask);
+
+	tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28)
+		| (mask_m[18] << 26) | (mask_m[18] << 24)
+		| (mask_m[20] << 22) | (mask_m[20] << 20)
+		| (mask_m[22] << 18) | (mask_m[22] << 16)
+		| (mask_m[24] << 14) | (mask_m[24] << 12)
+		| (mask_m[25] << 10) | (mask_m[26] << 8)
+		| (mask_m[27] << 6) | (mask_m[28] << 4)
+		| (mask_m[29] << 2) | (mask_m[30] << 0);
+	REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask);
+	REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask);
+
+	tmp_mask = (mask_m[0] << 30) | (mask_m[1] << 28)
+		| (mask_m[2] << 26) | (mask_m[3] << 24)
+		| (mask_m[4] << 22) | (mask_m[5] << 20)
+		| (mask_m[6] << 18) | (mask_m[7] << 16)
+		| (mask_m[8] << 14) | (mask_m[9] << 12)
+		| (mask_m[10] << 10) | (mask_m[11] << 8)
+		| (mask_m[12] << 6) | (mask_m[13] << 4)
+		| (mask_m[14] << 2) | (mask_m[15] << 0);
+	REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask);
+	REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask);
+
+	tmp_mask = (mask_p[15] << 28)
+		| (mask_p[14] << 26) | (mask_p[13] << 24)
+		| (mask_p[12] << 22) | (mask_p[11] << 20)
+		| (mask_p[10] << 18) | (mask_p[9] << 16)
+		| (mask_p[8] << 14) | (mask_p[7] << 12)
+		| (mask_p[6] << 10) | (mask_p[5] << 8)
+		| (mask_p[4] << 6) | (mask_p[3] << 4)
+		| (mask_p[2] << 2) | (mask_p[1] << 0);
+	REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask);
+	REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask);
+
+	tmp_mask = (mask_p[30] << 28)
+		| (mask_p[29] << 26) | (mask_p[28] << 24)
+		| (mask_p[27] << 22) | (mask_p[26] << 20)
+		| (mask_p[25] << 18) | (mask_p[24] << 16)
+		| (mask_p[23] << 14) | (mask_p[22] << 12)
+		| (mask_p[21] << 10) | (mask_p[20] << 8)
+		| (mask_p[19] << 6) | (mask_p[18] << 4)
+		| (mask_p[17] << 2) | (mask_p[16] << 0);
+	REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask);
+	REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask);
+
+	tmp_mask = (mask_p[45] << 28)
+		| (mask_p[44] << 26) | (mask_p[43] << 24)
+		| (mask_p[42] << 22) | (mask_p[41] << 20)
+		| (mask_p[40] << 18) | (mask_p[39] << 16)
+		| (mask_p[38] << 14) | (mask_p[37] << 12)
+		| (mask_p[36] << 10) | (mask_p[35] << 8)
+		| (mask_p[34] << 6) | (mask_p[33] << 4)
+		| (mask_p[32] << 2) | (mask_p[31] << 0);
+	REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask);
+	REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask);
+
+	tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28)
+		| (mask_p[59] << 26) | (mask_p[58] << 24)
+		| (mask_p[57] << 22) | (mask_p[56] << 20)
+		| (mask_p[55] << 18) | (mask_p[54] << 16)
+		| (mask_p[53] << 14) | (mask_p[52] << 12)
+		| (mask_p[51] << 10) | (mask_p[50] << 8)
+		| (mask_p[49] << 6) | (mask_p[48] << 4)
+		| (mask_p[47] << 2) | (mask_p[46] << 0);
+	REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask);
+	REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask);
+}
+
+/**
+ * ath9k_hw_rf_alloc_ext_banks - allocates banks for external radio programming
+ * @ah: atheros hardware structure
+ *
+ * Only required for older devices with external AR2133/AR5133 radios.
+ */
+int ath9k_hw_rf_alloc_ext_banks(struct ath_hw *ah)
+{
+#define ATH_ALLOC_BANK(bank, size) do { \
+		bank = kzalloc((sizeof(u32) * size), GFP_KERNEL); \
+		if (!bank) { \
+			ath_print(common, ATH_DBG_FATAL, \
+				  "Cannot allocate RF banks\n"); \
+			return -ENOMEM; \
+		} \
+	} while (0);
+
+	struct ath_common *common = ath9k_hw_common(ah);
+
+	BUG_ON(AR_SREV_9280_10_OR_LATER(ah));
+
+	ATH_ALLOC_BANK(ah->analogBank0Data, ah->iniBank0.ia_rows);
+	ATH_ALLOC_BANK(ah->analogBank1Data, ah->iniBank1.ia_rows);
+	ATH_ALLOC_BANK(ah->analogBank2Data, ah->iniBank2.ia_rows);
+	ATH_ALLOC_BANK(ah->analogBank3Data, ah->iniBank3.ia_rows);
+	ATH_ALLOC_BANK(ah->analogBank6Data, ah->iniBank6.ia_rows);
+	ATH_ALLOC_BANK(ah->analogBank6TPCData, ah->iniBank6TPC.ia_rows);
+	ATH_ALLOC_BANK(ah->analogBank7Data, ah->iniBank7.ia_rows);
+	ATH_ALLOC_BANK(ah->addac5416_21,
+		       ah->iniAddac.ia_rows * ah->iniAddac.ia_columns);
+	ATH_ALLOC_BANK(ah->bank6Temp, ah->iniBank6.ia_rows);
+
+	return 0;
+#undef ATH_ALLOC_BANK
+}
+
+
+/**
+ * ath9k_hw_rf_free_ext_banks - Free memory for analog bank scratch buffers
+ * @ah: atheros hardware struture
+ * For the external AR2133/AR5133 radios banks.
+ */
+void
+ath9k_hw_rf_free_ext_banks(struct ath_hw *ah)
+{
+#define ATH_FREE_BANK(bank) do { \
+		kfree(bank); \
+		bank = NULL; \
+	} while (0);
+
+	BUG_ON(AR_SREV_9280_10_OR_LATER(ah));
+
+	ATH_FREE_BANK(ah->analogBank0Data);
+	ATH_FREE_BANK(ah->analogBank1Data);
+	ATH_FREE_BANK(ah->analogBank2Data);
+	ATH_FREE_BANK(ah->analogBank3Data);
+	ATH_FREE_BANK(ah->analogBank6Data);
+	ATH_FREE_BANK(ah->analogBank6TPCData);
+	ATH_FREE_BANK(ah->analogBank7Data);
+	ATH_FREE_BANK(ah->addac5416_21);
+	ATH_FREE_BANK(ah->bank6Temp);
+
+#undef ATH_FREE_BANK
+}
+
 /**
  * ath9k_phy_modify_rx_buffer() - perform analog swizzling of parameters
  * @rfbuf:
@@ -265,10 +798,9 @@ int ath9k_hw_ar9280_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
  * Performs analog "swizzling" of parameters into their location.
  * Used on external AR2133/AR5133 radios.
  */
-static void
-ath9k_phy_modify_rx_buffer(u32 *rfBuf, u32 reg32,
-			   u32 numBits, u32 firstBit,
-			   u32 column)
+static void ath9k_phy_modify_rx_buffer(u32 *rfBuf, u32 reg32,
+				       u32 numBits, u32 firstBit,
+				       u32 column)
 {
 	u32 tmp32, mask, arrayEntry, lastBit;
 	int32_t bitPosition, bitsLeft;
@@ -304,9 +836,8 @@ ath9k_phy_modify_rx_buffer(u32 *rfBuf, u32 reg32,
  * all rf registers. This routine requires access to the analog
  * rf device. This is not required for single-chip devices.
  */
-bool
-ath9k_hw_set_rf_regs(struct ath_hw *ah, struct ath9k_channel *chan,
-		     u16 modesIndex)
+bool ath9k_hw_set_rf_regs(struct ath_hw *ah, struct ath9k_channel *chan,
+			  u16 modesIndex)
 {
 	u32 eepMinorRev;
 	u32 ob5GHz = 0, db5GHz = 0;
@@ -383,70 +914,6 @@ ath9k_hw_set_rf_regs(struct ath_hw *ah, struct ath9k_channel *chan,
 	return true;
 }
 
-/**
- * ath9k_hw_rf_free_ext_banks - Free memory for analog bank scratch buffers
- * @ah: atheros hardware struture
- * For the external AR2133/AR5133 radios banks.
- */
-void
-ath9k_hw_rf_free_ext_banks(struct ath_hw *ah)
-{
-#define ATH_FREE_BANK(bank) do { \
-		kfree(bank); \
-		bank = NULL; \
-	} while (0);
-
-	BUG_ON(AR_SREV_9280_10_OR_LATER(ah));
-
-	ATH_FREE_BANK(ah->analogBank0Data);
-	ATH_FREE_BANK(ah->analogBank1Data);
-	ATH_FREE_BANK(ah->analogBank2Data);
-	ATH_FREE_BANK(ah->analogBank3Data);
-	ATH_FREE_BANK(ah->analogBank6Data);
-	ATH_FREE_BANK(ah->analogBank6TPCData);
-	ATH_FREE_BANK(ah->analogBank7Data);
-	ATH_FREE_BANK(ah->addac5416_21);
-	ATH_FREE_BANK(ah->bank6Temp);
-
-#undef ATH_FREE_BANK
-}
-
-/**
- * ath9k_hw_rf_alloc_ext_banks - allocates banks for external radio programming
- * @ah: atheros hardware structure
- *
- * Only required for older devices with external AR2133/AR5133 radios.
- */
-int ath9k_hw_rf_alloc_ext_banks(struct ath_hw *ah)
-{
-#define ATH_ALLOC_BANK(bank, size) do { \
-		bank = kzalloc((sizeof(u32) * size), GFP_KERNEL); \
-		if (!bank) { \
-			ath_print(common, ATH_DBG_FATAL, \
-				  "Cannot allocate RF banks\n"); \
-			return -ENOMEM; \
-		} \
-	} while (0);
-
-	struct ath_common *common = ath9k_hw_common(ah);
-
-	BUG_ON(AR_SREV_9280_10_OR_LATER(ah));
-
-	ATH_ALLOC_BANK(ah->analogBank0Data, ah->iniBank0.ia_rows);
-	ATH_ALLOC_BANK(ah->analogBank1Data, ah->iniBank1.ia_rows);
-	ATH_ALLOC_BANK(ah->analogBank2Data, ah->iniBank2.ia_rows);
-	ATH_ALLOC_BANK(ah->analogBank3Data, ah->iniBank3.ia_rows);
-	ATH_ALLOC_BANK(ah->analogBank6Data, ah->iniBank6.ia_rows);
-	ATH_ALLOC_BANK(ah->analogBank6TPCData, ah->iniBank6TPC.ia_rows);
-	ATH_ALLOC_BANK(ah->analogBank7Data, ah->iniBank7.ia_rows);
-	ATH_ALLOC_BANK(ah->addac5416_21,
-		       ah->iniAddac.ia_rows * ah->iniAddac.ia_columns);
-	ATH_ALLOC_BANK(ah->bank6Temp, ah->iniBank6.ia_rows);
-
-	return 0;
-#undef ATH_ALLOC_BANK
-}
-
 /**
  * ath9k_hw_decrease_chain_power()
  *
diff --git a/drivers/net/wireless/ath/ath9k/phy.h b/drivers/net/wireless/ath/ath9k/phy.h
index bef9b41d250..ba297bef7dc 100644
--- a/drivers/net/wireless/ath/ath9k/phy.h
+++ b/drivers/net/wireless/ath/ath9k/phy.h
@@ -17,19 +17,28 @@
 #ifndef PHY_H
 #define PHY_H
 
-int ath9k_hw_ar9280_set_channel(struct ath_hw *ah, struct ath9k_channel *chan);
-int ath9k_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan);
+/* Common between single chip and non single-chip solutions */
 void ath9k_hw_write_regs(struct ath_hw *ah, u32 modesIndex,
 			 u32 freqIndex, int regWrites);
+
+/* Single chip radio settings */
+int ath9k_hw_ar9280_set_channel(struct ath_hw *ah, struct ath9k_channel *chan);
+void ath9k_hw_9280_spur_mitigate(struct ath_hw *ah, struct ath9k_channel *chan);
+
+/* Routines below are for non single-chip solutions */
+int ath9k_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan);
+void ath9k_hw_spur_mitigate(struct ath_hw *ah, struct ath9k_channel *chan);
+
+int ath9k_hw_rf_alloc_ext_banks(struct ath_hw *ah);
+void ath9k_hw_rf_free_ext_banks(struct ath_hw *ah);
+
 bool ath9k_hw_set_rf_regs(struct ath_hw *ah,
 			  struct ath9k_channel *chan,
 			  u16 modesIndex);
+
 void ath9k_hw_decrease_chain_power(struct ath_hw *ah,
 				   struct ath9k_channel *chan);
 
-void ath9k_hw_rf_free_ext_banks(struct ath_hw *ah);
-int ath9k_hw_rf_alloc_ext_banks(struct ath_hw *ah);
-
 #define AR_PHY_BASE     0x9800
 #define AR_PHY(_n)      (AR_PHY_BASE + ((_n)<<2))
 
-- 
GitLab


From ae478cf69e9e49a88e0fe8beaffbcba2f97b5209 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Mon, 19 Oct 2009 02:33:43 -0400
Subject: [PATCH 0771/1815] ath9k_hw: make spur mitigation a callback

This only differs between single-chip solutions and non single-chip
solutions.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.c | 17 ++++++-----------
 drivers/net/wireless/ath/ath9k/hw.h |  5 +++++
 2 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 626667c3101..f73c07dfe65 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -952,8 +952,11 @@ int ath9k_hw_init(struct ath_hw *ah)
 	if (AR_SREV_9280_10_OR_LATER(ah)) {
 		ah->ani_function &= ~ATH9K_ANI_NOISE_IMMUNITY_LEVEL;
 		ah->ath9k_hw_rf_set_freq = &ath9k_hw_ar9280_set_channel;
-	} else
+		ah->ath9k_hw_spur_mitigate_freq = &ath9k_hw_9280_spur_mitigate;
+	} else {
 		ah->ath9k_hw_rf_set_freq = &ath9k_hw_set_channel;
+		ah->ath9k_hw_spur_mitigate_freq = &ath9k_hw_spur_mitigate;
+	}
 
 	ath9k_hw_init_mode_regs(ah);
 
@@ -1917,10 +1920,7 @@ static bool ath9k_hw_channel_change(struct ath_hw *ah,
 	if (IS_CHAN_OFDM(chan) || IS_CHAN_HT(chan))
 		ath9k_hw_set_delta_slope(ah, chan);
 
-	if (AR_SREV_9280_10_OR_LATER(ah))
-		ath9k_hw_9280_spur_mitigate(ah, chan);
-	else
-		ath9k_hw_spur_mitigate(ah, chan);
+	ah->ath9k_hw_spur_mitigate_freq(ah, chan);
 
 	if (!chan->oneTimeCalsDone)
 		chan->oneTimeCalsDone = true;
@@ -2053,13 +2053,8 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 	if (IS_CHAN_OFDM(chan) || IS_CHAN_HT(chan))
 		ath9k_hw_set_delta_slope(ah, chan);
 
-	if (AR_SREV_9280_10_OR_LATER(ah))
-		ath9k_hw_9280_spur_mitigate(ah, chan);
-	else
-		ath9k_hw_spur_mitigate(ah, chan);
-
+	ah->ath9k_hw_spur_mitigate_freq(ah, chan);
 	ah->eep_ops->set_board_values(ah, chan);
-
 	ath9k_hw_decrease_chain_power(ah, chan);
 
 	REG_WRITE(ah, AR_STA_ID0, get_unaligned_le32(common->macaddr));
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index dcf1295f4eb..c7b0c4d5f75 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -550,6 +550,11 @@ struct ath_hw {
 
 	/* Callback for radio frequency change */
 	int (*ath9k_hw_rf_set_freq)(struct ath_hw *ah, struct ath9k_channel *chan);
+
+	/* Callback for baseband spur frequency */
+	void (*ath9k_hw_spur_mitigate_freq)(struct ath_hw *ah,
+					    struct ath9k_channel *chan);
+
 	/* Used to program the radio on non single-chip devices */
 	u32 *analogBank0Data;
 	u32 *analogBank1Data;
-- 
GitLab


From 896ff260351f736f0d9d32f4fd36257f3e75bd97 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Mon, 19 Oct 2009 02:33:44 -0400
Subject: [PATCH 0772/1815] ath9k_hw: remove unused modesIndex param from
 ath9k_hw_write_regs()

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.c  | 2 +-
 drivers/net/wireless/ath/ath9k/phy.c | 4 +---
 drivers/net/wireless/ath/ath9k/phy.h | 3 +--
 3 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index f73c07dfe65..7300db9f811 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1525,7 +1525,7 @@ static int ath9k_hw_process_ini(struct ath_hw *ah,
 		DO_DELAY(regWrites);
 	}
 
-	ath9k_hw_write_regs(ah, modesIndex, freqIndex, regWrites);
+	ath9k_hw_write_regs(ah, freqIndex, regWrites);
 
 	if (AR_SREV_9271_10(ah))
 		REG_WRITE_ARRAY(&ah->iniModes_9271_1_0_only,
diff --git a/drivers/net/wireless/ath/ath9k/phy.c b/drivers/net/wireless/ath/ath9k/phy.c
index 8e4c3bd84bc..a15532eaae1 100644
--- a/drivers/net/wireless/ath/ath9k/phy.c
+++ b/drivers/net/wireless/ath/ath9k/phy.c
@@ -45,15 +45,13 @@
  * ath9k_hw_write_regs - ??
  *
  * @ah: atheros hardware structure
- * @modesIndex:
  * @freqIndex:
  * @regWrites:
  *
  * Used for both the chipsets with an external AR2133/AR5133 radios and
  * single-chip devices.
  */
-void ath9k_hw_write_regs(struct ath_hw *ah, u32 modesIndex,
-			 u32 freqIndex, int regWrites)
+void ath9k_hw_write_regs(struct ath_hw *ah, u32 freqIndex, int regWrites)
 {
 	REG_WRITE_ARRAY(&ah->iniBB_RfGain, freqIndex, regWrites);
 }
diff --git a/drivers/net/wireless/ath/ath9k/phy.h b/drivers/net/wireless/ath/ath9k/phy.h
index ba297bef7dc..dc145a135dc 100644
--- a/drivers/net/wireless/ath/ath9k/phy.h
+++ b/drivers/net/wireless/ath/ath9k/phy.h
@@ -18,8 +18,7 @@
 #define PHY_H
 
 /* Common between single chip and non single-chip solutions */
-void ath9k_hw_write_regs(struct ath_hw *ah, u32 modesIndex,
-			 u32 freqIndex, int regWrites);
+void ath9k_hw_write_regs(struct ath_hw *ah, u32 freqIndex, int regWrites);
 
 /* Single chip radio settings */
 int ath9k_hw_ar9280_set_channel(struct ath_hw *ah, struct ath9k_channel *chan);
-- 
GitLab


From a77658286105c8be3741305c5dcf4c319746817f Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Mon, 19 Oct 2009 02:33:45 -0400
Subject: [PATCH 0773/1815] ath9k_hw: Fix and complete force bias for AR5416

Force bias is a fix for usage of AR5416 radios on the 2.4 GHz band
for orientation sensitivity. This was only partially implemented
with the ath9k_hw_decrease_chain_power() but first -- this was being
called for all chipsets which is not correct and second -- it was
missing the actual orientation code.

We now ensure to only enable force bias only for AR5416 and BUG_ON()
on other chipsets. Although ath9k_hw_decrease_chain_power() was enabled
for newer chipsets I suspect that it never ran unless the EEPROM had
ATH9K_ANT_FIXED_A or ATH9K_ANT_FIXED_B for antenna diversity.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.c  |  4 +-
 drivers/net/wireless/ath/ath9k/phy.c | 70 ++++++++++++++++++++++++++++
 2 files changed, 73 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 7300db9f811..111ff049f75 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2055,7 +2055,9 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 
 	ah->ath9k_hw_spur_mitigate_freq(ah, chan);
 	ah->eep_ops->set_board_values(ah, chan);
-	ath9k_hw_decrease_chain_power(ah, chan);
+
+	if (AR_SREV_5416(ah))
+		ath9k_hw_decrease_chain_power(ah, chan);
 
 	REG_WRITE(ah, AR_STA_ID0, get_unaligned_le32(common->macaddr));
 	REG_WRITE(ah, AR_STA_ID1, get_unaligned_le16(common->macaddr + 4)
diff --git a/drivers/net/wireless/ath/ath9k/phy.c b/drivers/net/wireless/ath/ath9k/phy.c
index a15532eaae1..df55e28a656 100644
--- a/drivers/net/wireless/ath/ath9k/phy.c
+++ b/drivers/net/wireless/ath/ath9k/phy.c
@@ -41,6 +41,10 @@
 
 #include "hw.h"
 
+static void ath9k_phy_modify_rx_buffer(u32 *rfBuf, u32 reg32,
+				       u32 numBits, u32 firstBit,
+				       u32 column);
+
 /**
  * ath9k_hw_write_regs - ??
  *
@@ -429,6 +433,67 @@ void ath9k_hw_9280_spur_mitigate(struct ath_hw *ah, struct ath9k_channel *chan)
 
 /* All code below is for non single-chip solutions */
 
+/*
+ * Fix on 2.4 GHz band for orientation sensitivity issue by increasing
+ * rf_pwd_icsyndiv.
+ *
+ * Theoretical Rules:
+ *   if 2 GHz band
+ *      if forceBiasAuto
+ *         if synth_freq < 2412
+ *            bias = 0
+ *         else if 2412 <= synth_freq <= 2422
+ *            bias = 1
+ *         else // synth_freq > 2422
+ *            bias = 2
+ *      else if forceBias > 0
+ *         bias = forceBias & 7
+ *      else
+ *         no change, use value from ini file
+ *   else
+ *      no change, invalid band
+ *
+ *  1st Mod:
+ *    2422 also uses value of 2
+ *    <approved>
+ *
+ *  2nd Mod:
+ *    Less than 2412 uses value of 0, 2412 and above uses value of 2
+ */
+static void ath9k_hw_force_bias(struct ath_hw *ah, u16 synth_freq)
+{
+	struct ath_common *common = ath9k_hw_common(ah);
+	u32 tmp_reg;
+	int reg_writes = 0;
+	u32 new_bias = 0;
+
+	if (!AR_SREV_5416(ah) || synth_freq >= 3000) {
+		return;
+	}
+
+	BUG_ON(AR_SREV_9280_10_OR_LATER(ah));
+
+	if (synth_freq < 2412)
+		new_bias = 0;
+	else if (synth_freq < 2422)
+		new_bias = 1;
+	else
+		new_bias = 2;
+
+	/* pre-reverse this field */
+	tmp_reg = ath9k_hw_reverse_bits(new_bias, 3);
+
+	ath_print(common, ATH_DBG_CONFIG,
+		  "Force rf_pwd_icsyndiv to %1d on %4d\n",
+		  new_bias, synth_freq);
+
+	/* swizzle rf_pwd_icsyndiv */
+	ath9k_phy_modify_rx_buffer(ah->analogBank6Data, tmp_reg, 3, 181, 3);
+
+	/* write Bank 6 with new params */
+	REG_WRITE_RF_ARRAY(&ah->iniBank6, ah->analogBank6Data, reg_writes);
+}
+
 /**
  * ath9k_hw_set_channel - tune to a channel on the external AR2133/AR5133 radios
  * @ah: atheros hardware stucture
@@ -499,6 +564,9 @@ int ath9k_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
 		return -EINVAL;
 	}
 
+	ath9k_hw_force_bias(ah, freq);
+	ath9k_hw_decrease_chain_power(ah, chan);
+
 	reg32 =
 	    (channelSel << 8) | (aModeRefSel << 2) | (bModeSynth << 1) |
 	    (1 << 5) | 0x1;
@@ -946,6 +1014,8 @@ ath9k_hw_decrease_chain_power(struct ath_hw *ah, struct ath9k_channel *chan)
 	u32 bank6SelMask;
 	u32 *bank6Temp = ah->bank6Temp;
 
+	BUG_ON(AR_SREV_9280_10_OR_LATER(ah));
+
 	switch (ah->config.diversity_control) {
 	case ATH9K_ANT_FIXED_A:
 		bank6SelMask =
-- 
GitLab


From ddcd4c08188dc512ceb08bcc3f4f830c2dbfb5ce Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Mon, 19 Oct 2009 02:33:46 -0400
Subject: [PATCH 0774/1815] ath9k_hw: make ath9k_phy_modify_rx_buffer() static

To do this we reorder callers in order in which they are called.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/phy.c | 256 +++++++++++++--------------
 1 file changed, 126 insertions(+), 130 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/phy.c b/drivers/net/wireless/ath/ath9k/phy.c
index df55e28a656..13ab4d7eb7a 100644
--- a/drivers/net/wireless/ath/ath9k/phy.c
+++ b/drivers/net/wireless/ath/ath9k/phy.c
@@ -41,10 +41,6 @@
 
 #include "hw.h"
 
-static void ath9k_phy_modify_rx_buffer(u32 *rfBuf, u32 reg32,
-				       u32 numBits, u32 firstBit,
-				       u32 column);
-
 /**
  * ath9k_hw_write_regs - ??
  *
@@ -433,6 +429,43 @@ void ath9k_hw_9280_spur_mitigate(struct ath_hw *ah, struct ath9k_channel *chan)
 
 /* All code below is for non single-chip solutions */
 
+/**
+ * ath9k_phy_modify_rx_buffer() - perform analog swizzling of parameters
+ * @rfbuf:
+ * @reg32:
+ * @numBits:
+ * @firstBit:
+ * @column:
+ *
+ * Performs analog "swizzling" of parameters into their location.
+ * Used on external AR2133/AR5133 radios.
+ */
+static void ath9k_phy_modify_rx_buffer(u32 *rfBuf, u32 reg32,
+				       u32 numBits, u32 firstBit,
+				       u32 column)
+{
+	u32 tmp32, mask, arrayEntry, lastBit;
+	int32_t bitPosition, bitsLeft;
+
+	tmp32 = ath9k_hw_reverse_bits(reg32, numBits);
+	arrayEntry = (firstBit - 1) / 8;
+	bitPosition = (firstBit - 1) % 8;
+	bitsLeft = numBits;
+	while (bitsLeft > 0) {
+		lastBit = (bitPosition + bitsLeft > 8) ?
+		    8 : bitPosition + bitsLeft;
+		mask = (((1 << lastBit) - 1) ^ ((1 << bitPosition) - 1)) <<
+		    (column * 8);
+		rfBuf[arrayEntry] &= ~mask;
+		rfBuf[arrayEntry] |= ((tmp32 << bitPosition) <<
+				      (column * 8)) & mask;
+		bitsLeft -= 8 - bitPosition;
+		tmp32 = tmp32 >> (8 - bitPosition);
+		bitPosition = 0;
+		arrayEntry++;
+	}
+}
+
 /*
  * Fix on 2.4 GHz band for orientation sensitivity issue by increasing
  * rf_pwd_icsyndiv.
@@ -494,6 +527,95 @@ static void ath9k_hw_force_bias(struct ath_hw *ah, u16 synth_freq)
 	REG_WRITE_RF_ARRAY(&ah->iniBank6, ah->analogBank6Data, reg_writes);
 }
 
+/**
+ * ath9k_hw_decrease_chain_power()
+ *
+ * @ah: atheros hardware structure
+ * @chan:
+ *
+ * Only used on the AR5416 and AR5418 with the external AR2133/AR5133 radios.
+ *
+ * Sets a chain internal RF path to the lowest output power. Any
+ * further writes to bank6 after this setting will override these
+ * changes. Thus this function must be the last function in the
+ * sequence to modify bank 6.
+ *
+ * This function must be called after ar5416SetRfRegs() which is
+ * called from ath9k_hw_process_ini() due to swizzling of bank 6.
+ * Depends on ah->analogBank6Data being initialized by
+ * ath9k_hw_set_rf_regs()
+ *
+ * Additional additive reduction in power -
+ * change chain's switch table so chain's tx state is actually the rx
+ * state value. May produce different results in 2GHz/5GHz as well as
+ * board to board but in general should be a reduction.
+ *
+ * Activated by #ifdef ALTER_SWITCH.  Not tried yet.  If so, must be
+ * called after ah->eep_ops->set_board_values() due to RMW of
+ * PHY_SWITCH_CHAIN_0.
+ */
+void ath9k_hw_decrease_chain_power(struct ath_hw *ah,
+				   struct ath9k_channel *chan)
+{
+	int i, regWrites = 0;
+	u32 bank6SelMask;
+	u32 *bank6Temp = ah->bank6Temp;
+
+	BUG_ON(AR_SREV_9280_10_OR_LATER(ah));
+
+	switch (ah->config.diversity_control) {
+	case ATH9K_ANT_FIXED_A:
+		bank6SelMask =
+		    (ah->config.antenna_switch_swap & ANTSWAP_AB) ?
+			REDUCE_CHAIN_0 : /* swapped, reduce chain 0 */
+			REDUCE_CHAIN_1; /* normal, select chain 1/2 to reduce */
+		break;
+	case ATH9K_ANT_FIXED_B:
+		bank6SelMask =
+		    (ah->config.antenna_switch_swap & ANTSWAP_AB) ?
+			REDUCE_CHAIN_1 : /* swapped, reduce chain 1/2 */
+			REDUCE_CHAIN_0; /* normal, select chain 0 to reduce */
+		break;
+	case ATH9K_ANT_VARIABLE:
+		return; /* do not change anything */
+		break;
+	default:
+		return; /* do not change anything */
+		break;
+	}
+
+	for (i = 0; i < ah->iniBank6.ia_rows; i++)
+		bank6Temp[i] = ah->analogBank6Data[i];
+
+	/* Write Bank 5 to switch Bank 6 write to selected chain only */
+	REG_WRITE(ah, AR_PHY_BASE + 0xD8, bank6SelMask);
+
+	/*
+	 * Modify Bank6 selected chain to use lowest amplification.
+	 * Modifies the parameters to a value of 1.
+	 * Depends on existing bank 6 values to be cached in
+	 * ah->analogBank6Data
+	 */
+	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 189, 0);
+	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 190, 0);
+	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 191, 0);
+	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 192, 0);
+	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 193, 0);
+	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 222, 0);
+	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 245, 0);
+	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 246, 0);
+	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 247, 0);
+
+	REG_WRITE_RF_ARRAY(&ah->iniBank6, bank6Temp, regWrites);
+
+	REG_WRITE(ah, AR_PHY_BASE + 0xD8, 0x00000053);
+#ifdef ALTER_SWITCH
+	REG_WRITE(ah, PHY_SWITCH_CHAIN_0,
+		  (REG_READ(ah, PHY_SWITCH_CHAIN_0) & ~0x38)
+		  | ((REG_READ(ah, PHY_SWITCH_CHAIN_0) >> 3) & 0x38));
+#endif
+}
+
 /**
  * ath9k_hw_set_channel - tune to a channel on the external AR2133/AR5133 radios
  * @ah: atheros hardware stucture
@@ -853,43 +975,6 @@ ath9k_hw_rf_free_ext_banks(struct ath_hw *ah)
 #undef ATH_FREE_BANK
 }
 
-/**
- * ath9k_phy_modify_rx_buffer() - perform analog swizzling of parameters
- * @rfbuf:
- * @reg32:
- * @numBits:
- * @firstBit:
- * @column:
- *
- * Performs analog "swizzling" of parameters into their location.
- * Used on external AR2133/AR5133 radios.
- */
-static void ath9k_phy_modify_rx_buffer(u32 *rfBuf, u32 reg32,
-				       u32 numBits, u32 firstBit,
-				       u32 column)
-{
-	u32 tmp32, mask, arrayEntry, lastBit;
-	int32_t bitPosition, bitsLeft;
-
-	tmp32 = ath9k_hw_reverse_bits(reg32, numBits);
-	arrayEntry = (firstBit - 1) / 8;
-	bitPosition = (firstBit - 1) % 8;
-	bitsLeft = numBits;
-	while (bitsLeft > 0) {
-		lastBit = (bitPosition + bitsLeft > 8) ?
-		    8 : bitPosition + bitsLeft;
-		mask = (((1 << lastBit) - 1) ^ ((1 << bitPosition) - 1)) <<
-		    (column * 8);
-		rfBuf[arrayEntry] &= ~mask;
-		rfBuf[arrayEntry] |= ((tmp32 << bitPosition) <<
-				      (column * 8)) & mask;
-		bitsLeft -= 8 - bitPosition;
-		tmp32 = tmp32 >> (8 - bitPosition);
-		bitPosition = 0;
-		arrayEntry++;
-	}
-}
-
 /* *
  * ath9k_hw_set_rf_regs - programs rf registers based on EEPROM
  * @ah: atheros hardware structure
@@ -979,92 +1064,3 @@ bool ath9k_hw_set_rf_regs(struct ath_hw *ah, struct ath9k_channel *chan,
 
 	return true;
 }
-
-/**
- * ath9k_hw_decrease_chain_power()
- *
- * @ah: atheros hardware structure
- * @chan:
- *
- * Only used on the AR5416 and AR5418 with the external AR2133/AR5133 radios.
- *
- * Sets a chain internal RF path to the lowest output power. Any
- * further writes to bank6 after this setting will override these
- * changes. Thus this function must be the last function in the
- * sequence to modify bank 6.
- *
- * This function must be called after ar5416SetRfRegs() which is
- * called from ath9k_hw_process_ini() due to swizzling of bank 6.
- * Depends on ah->analogBank6Data being initialized by
- * ath9k_hw_set_rf_regs()
- *
- * Additional additive reduction in power -
- * change chain's switch table so chain's tx state is actually the rx
- * state value. May produce different results in 2GHz/5GHz as well as
- * board to board but in general should be a reduction.
- *
- * Activated by #ifdef ALTER_SWITCH.  Not tried yet.  If so, must be
- * called after ah->eep_ops->set_board_values() due to RMW of
- * PHY_SWITCH_CHAIN_0.
- */
-void
-ath9k_hw_decrease_chain_power(struct ath_hw *ah, struct ath9k_channel *chan)
-{
-	int i, regWrites = 0;
-	u32 bank6SelMask;
-	u32 *bank6Temp = ah->bank6Temp;
-
-	BUG_ON(AR_SREV_9280_10_OR_LATER(ah));
-
-	switch (ah->config.diversity_control) {
-	case ATH9K_ANT_FIXED_A:
-		bank6SelMask =
-		    (ah->config.antenna_switch_swap & ANTSWAP_AB) ?
-			REDUCE_CHAIN_0 : /* swapped, reduce chain 0 */
-			REDUCE_CHAIN_1; /* normal, select chain 1/2 to reduce */
-		break;
-	case ATH9K_ANT_FIXED_B:
-		bank6SelMask =
-		    (ah->config.antenna_switch_swap & ANTSWAP_AB) ?
-			REDUCE_CHAIN_1 : /* swapped, reduce chain 1/2 */
-			REDUCE_CHAIN_0; /* normal, select chain 0 to reduce */
-		break;
-	case ATH9K_ANT_VARIABLE:
-		return; /* do not change anything */
-		break;
-	default:
-		return; /* do not change anything */
-		break;
-	}
-
-	for (i = 0; i < ah->iniBank6.ia_rows; i++)
-		bank6Temp[i] = ah->analogBank6Data[i];
-
-	/* Write Bank 5 to switch Bank 6 write to selected chain only */
-	REG_WRITE(ah, AR_PHY_BASE + 0xD8, bank6SelMask);
-
-	/*
-	 * Modify Bank6 selected chain to use lowest amplification.
-	 * Modifies the parameters to a value of 1.
-	 * Depends on existing bank 6 values to be cached in
-	 * ah->analogBank6Data
-	 */
-	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 189, 0);
-	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 190, 0);
-	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 191, 0);
-	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 192, 0);
-	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 193, 0);
-	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 222, 0);
-	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 245, 0);
-	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 246, 0);
-	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 247, 0);
-
-	REG_WRITE_RF_ARRAY(&ah->iniBank6, bank6Temp, regWrites);
-
-	REG_WRITE(ah, AR_PHY_BASE + 0xD8, 0x00000053);
-#ifdef ALTER_SWITCH
-	REG_WRITE(ah, PHY_SWITCH_CHAIN_0,
-		  (REG_READ(ah, PHY_SWITCH_CHAIN_0) & ~0x38)
-		  | ((REG_READ(ah, PHY_SWITCH_CHAIN_0) >> 3) & 0x38));
-#endif
-}
-- 
GitLab


From 8ce0b5892460c670b71b7a0bf96549f5e7a63d6c Mon Sep 17 00:00:00 2001
From: Zhu Yi <yi.zhu@intel.com>
Date: Wed, 28 Oct 2009 13:13:52 -0700
Subject: [PATCH 0775/1815] mac80211: make align adjustment code support paged
 SKB

This fixed a BUG_ON in __skb_trim() when paged rx is used in
iwlwifi driver. Yes, the whole mac80211 stack doesn't support
paged SKB yet. But let's start the work slowly from small
code snippets.

Reported-and-tested-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/rx.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 798fa82b6ae..c832d408187 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1326,10 +1326,10 @@ ieee80211_deliver_skb(struct ieee80211_rx_data *rx)
 				skb = NULL;
 			} else {
 				u8 *data = skb->data;
-				size_t len = skb->len;
-				u8 *new = __skb_push(skb, align);
-				memmove(new, data, len);
-				__skb_trim(skb, len);
+				size_t len = skb_headlen(skb);
+				skb->data -= align;
+				memmove(skb->data, data, len);
+				skb_set_tail_pointer(skb, len);
 			}
 		}
 #endif
-- 
GitLab


From 750266646befe42ee8a3a9f9b6f692174635c5b8 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Wed, 28 Oct 2009 16:08:32 -0700
Subject: [PATCH 0776/1815] wireless: airo_cs needs WEXT_SPY

airo_cs uses spy interfaces so it needs to select WEXT_SPY.

ERROR: "iw_handler_set_thrspy" [drivers/net/wireless/airo.ko] undefined!
ERROR: "wireless_spy_update" [drivers/net/wireless/airo.ko] undefined!
ERROR: "iw_handler_get_spy" [drivers/net/wireless/airo.ko] undefined!
ERROR: "iw_handler_get_thrspy" [drivers/net/wireless/airo.ko] undefined!
ERROR: "iw_handler_set_spy" [drivers/net/wireless/airo.ko] undefined!

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig
index 674a08b0788..56dd6650c97 100644
--- a/drivers/net/wireless/Kconfig
+++ b/drivers/net/wireless/Kconfig
@@ -111,6 +111,7 @@ config AIRO_CS
 	tristate "Cisco/Aironet 34X/35X/4500/4800 PCMCIA cards"
 	depends on PCMCIA && (BROKEN || !M32R)
 	select WIRELESS_EXT
+	select WEXT_SPY
 	select CRYPTO
 	select CRYPTO_AES
 	---help---
-- 
GitLab


From eddcbb94f75c3e8944503e9f13c1d29acd0d7052 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Thu, 29 Oct 2009 08:30:35 +0100
Subject: [PATCH 0777/1815] mac80211: introduce ieee80211_beacon_get_tim()

Compared to ieee80211_beacon_get(), the new function
ieee80211_beacon_get_tim() returns information on the
location and length of the TIM IE, which some drivers
need in order to generate the TIM on the device. The
old function, ieee80211_beacon_get(), becomes a small
static inline wrapper around the new one to not break
all drivers.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 include/net/mac80211.h | 42 ++++++++++++++++++++++++++++++++++--------
 net/mac80211/tx.c      | 17 ++++++++++++++---
 2 files changed, 48 insertions(+), 11 deletions(-)

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 2c9d3c719d8..bd0bbc37a1a 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1743,19 +1743,45 @@ void ieee80211_tx_status_irqsafe(struct ieee80211_hw *hw,
 				 struct sk_buff *skb);
 
 /**
- * ieee80211_beacon_get - beacon generation function
+ * ieee80211_beacon_get_tim - beacon generation function
  * @hw: pointer obtained from ieee80211_alloc_hw().
  * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf.
+ * @tim_offset: pointer to variable that will receive the TIM IE offset.
+ *	Set to 0 if invalid (in non-AP modes).
+ * @tim_length: pointer to variable that will receive the TIM IE length,
+ *	(including the ID and length bytes!).
+ *	Set to 0 if invalid (in non-AP modes).
+ *
+ * If the driver implements beaconing modes, it must use this function to
+ * obtain the beacon frame/template.
  *
  * If the beacon frames are generated by the host system (i.e., not in
- * hardware/firmware), the low-level driver uses this function to receive
- * the next beacon frame from the 802.11 code. The low-level is responsible
- * for calling this function before beacon data is needed (e.g., based on
- * hardware interrupt). Returned skb is used only once and low-level driver
- * is responsible for freeing it.
+ * hardware/firmware), the driver uses this function to get each beacon
+ * frame from mac80211 -- it is responsible for calling this function
+ * before the beacon is needed (e.g. based on hardware interrupt).
+ *
+ * If the beacon frames are generated by the device, then the driver
+ * must use the returned beacon as the template and change the TIM IE
+ * according to the current DTIM parameters/TIM bitmap.
+ *
+ * The driver is responsible for freeing the returned skb.
+ */
+struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
+					 struct ieee80211_vif *vif,
+					 u16 *tim_offset, u16 *tim_length);
+
+/**
+ * ieee80211_beacon_get - beacon generation function
+ * @hw: pointer obtained from ieee80211_alloc_hw().
+ * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf.
+ *
+ * See ieee80211_beacon_get_tim().
  */
-struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
-				     struct ieee80211_vif *vif);
+static inline struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
+						   struct ieee80211_vif *vif)
+{
+	return ieee80211_beacon_get_tim(hw, vif, NULL, NULL);
+}
 
 /**
  * ieee80211_rts_get - RTS frame generation function
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index cb06d8e5649..8595d14c774 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -2012,8 +2012,9 @@ static void ieee80211_beacon_add_tim(struct ieee80211_if_ap *bss,
 	}
 }
 
-struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
-				     struct ieee80211_vif *vif)
+struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
+					 struct ieee80211_vif *vif,
+					 u16 *tim_offset, u16 *tim_length)
 {
 	struct ieee80211_local *local = hw_to_local(hw);
 	struct sk_buff *skb = NULL;
@@ -2030,6 +2031,11 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
 
 	sdata = vif_to_sdata(vif);
 
+	if (tim_offset)
+		*tim_offset = 0;
+	if (tim_length)
+		*tim_length = 0;
+
 	if (sdata->vif.type == NL80211_IFTYPE_AP) {
 		ap = &sdata->u.ap;
 		beacon = rcu_dereference(ap->beacon);
@@ -2065,6 +2071,11 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
 				spin_unlock_irqrestore(&local->sta_lock, flags);
 			}
 
+			if (tim_offset)
+				*tim_offset = beacon->head_len;
+			if (tim_length)
+				*tim_length = skb->len - beacon->head_len;
+
 			if (beacon->tail)
 				memcpy(skb_put(skb, beacon->tail_len),
 				       beacon->tail, beacon->tail_len);
@@ -2141,7 +2152,7 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
 	rcu_read_unlock();
 	return skb;
 }
-EXPORT_SYMBOL(ieee80211_beacon_get);
+EXPORT_SYMBOL(ieee80211_beacon_get_tim);
 
 void ieee80211_rts_get(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 		       const void *frame, size_t frame_len,
-- 
GitLab


From c27f2fded51948edf40007f4f31350e9e0c6ba23 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Thu, 29 Oct 2009 08:41:25 +0100
Subject: [PATCH 0778/1815] mac80211: deprecate qual value

This value is unused by mac80211, because it was only
be used by wireless extensions, and turned out to not
be useful there because the quality value needs to be
comparable between scan results and the current value
which is impossible when the qual value is calculated
taking into account noise, for example.

Since it is unused anyway, this patch deprecates it
in the hope that drivers will remove their sometimes
quite expensive calculations of the value.

I'm open to actual uses of the value, but the best
way of using it seems to be what the Intel drivers do
which should probably be generalised if we have noise
values from the hardware.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 include/net/mac80211.h     | 2 +-
 net/mac80211/debugfs_sta.c | 2 --
 net/mac80211/rx.c          | 1 -
 net/mac80211/sta_info.h    | 2 --
 4 files changed, 1 insertion(+), 6 deletions(-)

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index bd0bbc37a1a..e12293e60ac 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -552,7 +552,7 @@ struct ieee80211_rx_status {
 	int freq;
 	int signal;
 	int noise;
-	int qual;
+	int __deprecated qual;
 	int antenna;
 	int rate_idx;
 	int flag;
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index 8721679773d..4425b613552 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -57,7 +57,6 @@ STA_FILE(tx_filtered, tx_filtered_count, LU);
 STA_FILE(tx_retry_failed, tx_retry_failed, LU);
 STA_FILE(tx_retry_count, tx_retry_count, LU);
 STA_FILE(last_signal, last_signal, D);
-STA_FILE(last_qual, last_qual, D);
 STA_FILE(last_noise, last_noise, D);
 STA_FILE(wep_weak_iv_count, wep_weak_iv_count, LU);
 
@@ -205,7 +204,6 @@ void ieee80211_sta_debugfs_add(struct sta_info *sta)
 	DEBUGFS_ADD(tx_retry_failed);
 	DEBUGFS_ADD(tx_retry_count);
 	DEBUGFS_ADD(last_signal);
-	DEBUGFS_ADD(last_qual);
 	DEBUGFS_ADD(last_noise);
 	DEBUGFS_ADD(wep_weak_iv_count);
 }
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index c832d408187..f862399f7ce 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -859,7 +859,6 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
 	sta->rx_fragments++;
 	sta->rx_bytes += rx->skb->len;
 	sta->last_signal = rx->status->signal;
-	sta->last_qual = rx->status->qual;
 	sta->last_noise = rx->status->noise;
 
 	/*
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index b3686c870b5..703f5492ee6 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -193,7 +193,6 @@ struct sta_ampdu_mlme {
  * @rx_fragments: number of received MPDUs
  * @rx_dropped: number of dropped MPDUs from this STA
  * @last_signal: signal of last received frame from this STA
- * @last_qual: qual of last received frame from this STA
  * @last_noise: noise of last received frame from this STA
  * @last_seq_ctrl: last received seq/frag number from this STA (per RX queue)
  * @tx_filtered_count: number of frames the hardware filtered for this STA
@@ -259,7 +258,6 @@ struct sta_info {
 	unsigned long rx_fragments;
 	unsigned long rx_dropped;
 	int last_signal;
-	int last_qual;
 	int last_noise;
 	__le16 last_seq_ctrl[NUM_RX_DATA_QUEUES];
 
-- 
GitLab


From 62b517cb3e974624a2958ad0b603ebb59cd96e16 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Thu, 29 Oct 2009 12:19:21 +0100
Subject: [PATCH 0779/1815] mac80211: unconditionally set
 IEEE80211_TX_CTL_SEND_AFTER_DTIM

When mac80211 is asked to buffer multicast frames
in AP mode, it will not set the flag indicating
that the frames should be sent after the DTIM
beacon for those frames buffered in software. Fix
this little inconsistency by always setting that
flag in the buffering code path.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/tx.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 8595d14c774..844609c2326 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -317,12 +317,11 @@ ieee80211_tx_h_multicast_ps_buf(struct ieee80211_tx_data *tx)
 	if (!atomic_read(&tx->sdata->bss->num_sta_ps))
 		return TX_CONTINUE;
 
-	/* buffered in hardware */
-	if (!(tx->local->hw.flags & IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING)) {
-		info->flags |= IEEE80211_TX_CTL_SEND_AFTER_DTIM;
+	info->flags |= IEEE80211_TX_CTL_SEND_AFTER_DTIM;
 
+	/* device releases frame after DTIM beacon */
+	if (!(tx->local->hw.flags & IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING))
 		return TX_CONTINUE;
-	}
 
 	/* buffered in mac80211 */
 	if (tx->local->total_ps_buffered >= TOTAL_MAX_TX_BUFFER)
-- 
GitLab


From e7d17cf4f7e1b8d06575b6db2397c99c151674b8 Mon Sep 17 00:00:00 2001
From: Luciano Coelho <luciano.coelho@nokia.com>
Date: Thu, 29 Oct 2009 13:20:04 +0200
Subject: [PATCH 0780/1815] wl1271: fix init loop timeout

The check after the loop which checks whether the initialization timed-out
was wrong.  If the initialization would succeed exactly in the 20000th time
(the value set for INIT_LOOP), the driver would bail out and claim that
initialization failed.

Reported-by: Juha Leppanen <juha_motorsportcom@luukku.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Janne Ylalehto <janne.ylalehto@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_boot.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.c b/drivers/net/wireless/wl12xx/wl1271_boot.c
index ba4a2b4f0f5..8678bea05ed 100644
--- a/drivers/net/wireless/wl12xx/wl1271_boot.c
+++ b/drivers/net/wireless/wl12xx/wl1271_boot.c
@@ -380,7 +380,7 @@ static int wl1271_boot_run_firmware(struct wl1271 *wl)
 		}
 	}
 
-	if (loop >= INIT_LOOP) {
+	if (loop > INIT_LOOP) {
 		wl1271_error("timeout waiting for the hardware to "
 			     "complete initialization");
 		return -EIO;
-- 
GitLab


From 22403def134e2c1017cb04ae9129a38e841b2d8c Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Fri, 30 Oct 2009 12:55:03 +0100
Subject: [PATCH 0781/1815] mac80211: also drop qos-nullfunc frames silently

We drop nullfunc frames, but not qos-nullfunc frames,
even though those could be used for PS state control
as well.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 include/linux/ieee80211.h | 12 +++++++++++-
 net/mac80211/rx.c         | 15 ++++++++++-----
 2 files changed, 21 insertions(+), 6 deletions(-)

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 52e15e079c6..0aa83146749 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -472,7 +472,7 @@ static inline int ieee80211_is_cfendack(__le16 fc)
 }
 
 /**
- * ieee80211_is_nullfunc - check if FTYPE=IEEE80211_FTYPE_DATA and STYPE=IEEE80211_STYPE_NULLFUNC
+ * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
  * @fc: frame control bytes in little-endian byteorder
  */
 static inline int ieee80211_is_nullfunc(__le16 fc)
@@ -481,6 +481,16 @@ static inline int ieee80211_is_nullfunc(__le16 fc)
 	       cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 }
 
+/**
+ * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_is_qos_nullfunc(__le16 fc)
+{
+	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
+	       cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
+}
+
 struct ieee80211s_hdr {
 	u8 flags;
 	u8 ttl;
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index f862399f7ce..51cb8bc3af8 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -886,12 +886,17 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
 		}
 	}
 
-	/* Drop data::nullfunc frames silently, since they are used only to
-	 * control station power saving mode. */
-	if (ieee80211_is_nullfunc(hdr->frame_control)) {
+	/*
+	 * Drop (qos-)data::nullfunc frames silently, since they
+	 * are used only to control station power saving mode.
+	 */
+	if (ieee80211_is_nullfunc(hdr->frame_control) ||
+	    ieee80211_is_qos_nullfunc(hdr->frame_control)) {
 		I802_DEBUG_INC(rx->local->rx_handlers_drop_nullfunc);
-		/* Update counter and free packet here to avoid counting this
-		 * as a dropped packed. */
+		/*
+		 * Update counter and free packet here to avoid
+		 * counting this as a dropped packed.
+		 */
 		sta->rx_packets++;
 		dev_kfree_skb(rx->skb);
 		return RX_QUEUED;
-- 
GitLab


From ff9458d3ec179831ebe6966a8aa014ccb3907dc6 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Fri, 30 Oct 2009 12:56:02 +0100
Subject: [PATCH 0782/1815] mac80211: remove sent_ps_buffered

This variable is set once, and tested once.
However, the code path that can set it is
mutually exclusive with the code path that
tests it, so the test is always true. Thus
we also don't need to set it either and can
just remove the variable.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/ieee80211_i.h | 1 -
 net/mac80211/rx.c          | 8 +++-----
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 6365079e637..1ef767366b7 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -176,7 +176,6 @@ struct ieee80211_rx_data {
 	struct ieee80211_rate *rate;
 
 	unsigned int flags;
-	int sent_ps_buffered;
 	int queue;
 	u32 tkip_iv32;
 	u16 tkip_iv16;
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 51cb8bc3af8..c06496f0b76 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -789,7 +789,7 @@ static void ap_sta_ps_start(struct sta_info *sta)
 #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
 }
 
-static int ap_sta_ps_end(struct sta_info *sta)
+static void ap_sta_ps_end(struct sta_info *sta)
 {
 	struct ieee80211_sub_if_data *sdata = sta->sdata;
 	struct ieee80211_local *local = sdata->local;
@@ -819,8 +819,6 @@ static int ap_sta_ps_end(struct sta_info *sta)
 	       "since STA not sleeping anymore\n", sdata->dev->name,
 	       sta->sta.addr, sta->sta.aid, sent - buffered, buffered);
 #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
-
-	return sent;
 }
 
 static ieee80211_rx_result debug_noinline
@@ -879,7 +877,7 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
 			 */
 			if (ieee80211_is_data(hdr->frame_control) &&
 			    !ieee80211_has_pm(hdr->frame_control))
-				rx->sent_ps_buffered += ap_sta_ps_end(sta);
+				ap_sta_ps_end(sta);
 		} else {
 			if (ieee80211_has_pm(hdr->frame_control))
 				ap_sta_ps_start(sta);
@@ -1147,7 +1145,7 @@ ieee80211_rx_h_ps_poll(struct ieee80211_rx_data *rx)
 		if (no_pending_pkts)
 			sta_info_clear_tim_bit(rx->sta);
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
-	} else if (!rx->sent_ps_buffered) {
+	} else {
 		/*
 		 * FIXME: This can be the result of a race condition between
 		 *	  us expiring a frame and the station polling for it.
-- 
GitLab


From e6e898cfea5f35d64f850277e7fa295c386cf953 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Fri, 30 Oct 2009 15:48:43 +0100
Subject: [PATCH 0783/1815] mac80211: remove bogus code

It's not right to do something here when returning an
error, and hostapd should never have relied on it as
it only fixes up a small part of the problem anyway.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/cfg.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 5608f6c6841..a0c7eb18a76 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -738,13 +738,6 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
 
 	err = sta_info_insert(sta);
 	if (err) {
-		/* STA has been freed */
-		if (err == -EEXIST && layer2_update) {
-			/* Need to update layer 2 devices on reassociation */
-			sta = sta_info_get(local, mac);
-			if (sta)
-				ieee80211_send_layer2_update(sta);
-		}
 		rcu_read_unlock();
 		return err;
 	}
-- 
GitLab


From d2d8cda7fc0b7a133492e70332217a7f20757615 Mon Sep 17 00:00:00 2001
From: Larry Finger <Larry.Finger@lwfinger.net>
Date: Fri, 30 Oct 2009 11:58:21 -0500
Subject: [PATCH 0784/1815] b43legacy: Fix DMA TX bounce buffer copying

This patch is adapted from the submission by Michael Buesch <mb@bu3sch.de>
for a bounce-buffer copying problem with b43.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/b43legacy/dma.c | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/b43legacy/dma.c b/drivers/net/wireless/b43legacy/dma.c
index 86640341581..0a86bdf5315 100644
--- a/drivers/net/wireless/b43legacy/dma.c
+++ b/drivers/net/wireless/b43legacy/dma.c
@@ -1240,8 +1240,9 @@ struct b43legacy_dmaring *parse_cookie(struct b43legacy_wldev *dev,
 }
 
 static int dma_tx_fragment(struct b43legacy_dmaring *ring,
-			    struct sk_buff *skb)
+			    struct sk_buff **in_skb)
 {
+	struct sk_buff *skb = *in_skb;
 	const struct b43legacy_dma_ops *ops = ring->ops;
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	u8 *header;
@@ -1305,8 +1306,14 @@ static int dma_tx_fragment(struct b43legacy_dmaring *ring,
 		}
 
 		memcpy(skb_put(bounce_skb, skb->len), skb->data, skb->len);
+		memcpy(bounce_skb->cb, skb->cb, sizeof(skb->cb));
+		bounce_skb->dev = skb->dev;
+		skb_set_queue_mapping(bounce_skb, skb_get_queue_mapping(skb));
+		info = IEEE80211_SKB_CB(bounce_skb);
+
 		dev_kfree_skb_any(skb);
 		skb = bounce_skb;
+		*in_skb = bounce_skb;
 		meta->skb = skb;
 		meta->dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1);
 		if (b43legacy_dma_mapping_error(ring, meta->dmaaddr, skb->len, 1)) {
@@ -1360,8 +1367,10 @@ int b43legacy_dma_tx(struct b43legacy_wldev *dev,
 		     struct sk_buff *skb)
 {
 	struct b43legacy_dmaring *ring;
+	struct ieee80211_hdr *hdr;
 	int err = 0;
 	unsigned long flags;
+	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 
 	ring = priority_to_txring(dev, skb_get_queue_mapping(skb));
 	spin_lock_irqsave(&ring->lock, flags);
@@ -1386,7 +1395,11 @@ int b43legacy_dma_tx(struct b43legacy_wldev *dev,
 		goto out_unlock;
 	}
 
-	err = dma_tx_fragment(ring, skb);
+	/* dma_tx_fragment might reallocate the skb, so invalidate pointers pointing
+	 * into the skb data or cb now. */
+	hdr = NULL;
+	info = NULL;
+	err = dma_tx_fragment(ring, &skb);
 	if (unlikely(err == -ENOKEY)) {
 		/* Drop this packet, as we don't have the encryption key
 		 * anymore and must not transmit it unencrypted. */
-- 
GitLab


From 244546f0d3101c5441f5b14cfe8a79d62679eaea Mon Sep 17 00:00:00 2001
From: Andy Grover <andy.grover@oracle.com>
Date: Fri, 30 Oct 2009 08:54:53 +0000
Subject: [PATCH 0785/1815] RDS: Add GET_MR_FOR_DEST sockopt

RDS currently supports a GET_MR sockopt to establish a
memory region (MR) for a chunk of memory. However, the fastreg
method ties a MR to a particular destination. The GET_MR_FOR_DEST
sockopt allows the remote machine to be specified, and thus
support for fastreg (aka FRWRs).

Note that this patch does *not* do all of this - it simply
implements the new sockopt in terms of the old one, so applications
can begin to use the new sockopt in preparation for cutover to
FRWRs.

Signed-off-by: Andy Grover <andy.grover@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/rds.h |  8 ++++++++
 net/rds/af_rds.c    |  3 +++
 net/rds/rdma.c      | 24 ++++++++++++++++++++++++
 net/rds/rdma.h      |  1 +
 4 files changed, 36 insertions(+)

diff --git a/include/linux/rds.h b/include/linux/rds.h
index 89d46e1afbb..cab4994c2f6 100644
--- a/include/linux/rds.h
+++ b/include/linux/rds.h
@@ -56,6 +56,7 @@
 /* deprecated: RDS_BARRIER 4 */
 #define RDS_RECVERR			5
 #define RDS_CONG_MONITOR		6
+#define RDS_GET_MR_FOR_DEST		7
 
 /*
  * Control message types for SOL_RDS.
@@ -224,6 +225,13 @@ struct rds_get_mr_args {
 	uint64_t	flags;
 };
 
+struct rds_get_mr_for_dest_args {
+	struct sockaddr_storage	dest_addr;
+	struct rds_iovec 	vec;
+	u_int64_t		cookie_addr;
+	uint64_t		flags;
+};
+
 struct rds_free_mr_args {
 	rds_rdma_cookie_t cookie;
 	u_int64_t	flags;
diff --git a/net/rds/af_rds.c b/net/rds/af_rds.c
index a202e5b3607..2b978dc6e75 100644
--- a/net/rds/af_rds.c
+++ b/net/rds/af_rds.c
@@ -265,6 +265,9 @@ static int rds_setsockopt(struct socket *sock, int level, int optname,
 	case RDS_GET_MR:
 		ret = rds_get_mr(rs, optval, optlen);
 		break;
+	case RDS_GET_MR_FOR_DEST:
+		ret = rds_get_mr_for_dest(rs, optval, optlen);
+		break;
 	case RDS_FREE_MR:
 		ret = rds_free_mr(rs, optval, optlen);
 		break;
diff --git a/net/rds/rdma.c b/net/rds/rdma.c
index 8dc83d2caa5..971b5a66845 100644
--- a/net/rds/rdma.c
+++ b/net/rds/rdma.c
@@ -317,6 +317,30 @@ int rds_get_mr(struct rds_sock *rs, char __user *optval, int optlen)
 	return __rds_rdma_map(rs, &args, NULL, NULL);
 }
 
+int rds_get_mr_for_dest(struct rds_sock *rs, char __user *optval, int optlen)
+{
+	struct rds_get_mr_for_dest_args args;
+	struct rds_get_mr_args new_args;
+
+	if (optlen != sizeof(struct rds_get_mr_for_dest_args))
+		return -EINVAL;
+
+	if (copy_from_user(&args, (struct rds_get_mr_for_dest_args __user *)optval,
+			   sizeof(struct rds_get_mr_for_dest_args)))
+		return -EFAULT;
+
+	/*
+	 * Initially, just behave like get_mr().
+	 * TODO: Implement get_mr as wrapper around this
+	 *	 and deprecate it.
+	 */
+	new_args.vec = args.vec;
+	new_args.cookie_addr = args.cookie_addr;
+	new_args.flags = args.flags;
+
+	return __rds_rdma_map(rs, &new_args, NULL, NULL);
+}
+
 /*
  * Free the MR indicated by the given R_Key
  */
diff --git a/net/rds/rdma.h b/net/rds/rdma.h
index 425512098b0..909c39835a5 100644
--- a/net/rds/rdma.h
+++ b/net/rds/rdma.h
@@ -61,6 +61,7 @@ static inline u32 rds_rdma_cookie_offset(rds_rdma_cookie_t cookie)
 }
 
 int rds_get_mr(struct rds_sock *rs, char __user *optval, int optlen);
+int rds_get_mr_for_dest(struct rds_sock *rs, char __user *optval, int optlen);
 int rds_free_mr(struct rds_sock *rs, char __user *optval, int optlen);
 void rds_rdma_drop_keys(struct rds_sock *rs);
 int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm,
-- 
GitLab


From 86357b19bcabd9355937f3fb84f90ba9fe76a5d3 Mon Sep 17 00:00:00 2001
From: Andy Grover <andy.grover@oracle.com>
Date: Fri, 30 Oct 2009 08:51:54 +0000
Subject: [PATCH 0786/1815] RDS: Fix potential race around rds_i[bw]_allocation

"At rds_ib_recv_refill_one(), it first executes atomic_read(&rds_ib_allocation)
for if-condition checking,

and then executes atomic_inc(&rds_ib_allocation) if the condition was
not satisfied.

However, if any other code which updates rds_ib_allocation executes
between these two atomic operation executions,
it seems that it may result race condition. (especially when
rds_ib_allocation + 1 == rds_ib_sysctl_max_recv_allocation)"

This patch fixes this by using atomic_inc_unless to eliminate the
possibility of allocating more than rds_ib_sysctl_max_recv_allocation
and then decrementing the count if the allocation fails. It also
makes an identical change to the iwarp transport.

Reported-by: Shin Hong <hongshin@gmail.com>
Signed-off-by: Andy Grover <andy.grover@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/rds/ib_recv.c | 7 ++++---
 net/rds/iw_recv.c | 7 ++++---
 2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c
index cd7a6cfcab0..2f009d391c2 100644
--- a/net/rds/ib_recv.c
+++ b/net/rds/ib_recv.c
@@ -143,15 +143,16 @@ static int rds_ib_recv_refill_one(struct rds_connection *conn,
 	int ret = -ENOMEM;
 
 	if (recv->r_ibinc == NULL) {
-		if (atomic_read(&rds_ib_allocation) >= rds_ib_sysctl_max_recv_allocation) {
+		if (!atomic_add_unless(&rds_ib_allocation, 1, rds_ib_sysctl_max_recv_allocation)) {
 			rds_ib_stats_inc(s_ib_rx_alloc_limit);
 			goto out;
 		}
 		recv->r_ibinc = kmem_cache_alloc(rds_ib_incoming_slab,
 						 kptr_gfp);
-		if (recv->r_ibinc == NULL)
+		if (recv->r_ibinc == NULL) {
+			atomic_dec(&rds_ib_allocation);
 			goto out;
-		atomic_inc(&rds_ib_allocation);
+		}
 		INIT_LIST_HEAD(&recv->r_ibinc->ii_frags);
 		rds_inc_init(&recv->r_ibinc->ii_inc, conn, conn->c_faddr);
 	}
diff --git a/net/rds/iw_recv.c b/net/rds/iw_recv.c
index 8683f5f66c4..9f98150af19 100644
--- a/net/rds/iw_recv.c
+++ b/net/rds/iw_recv.c
@@ -143,15 +143,16 @@ static int rds_iw_recv_refill_one(struct rds_connection *conn,
 	int ret = -ENOMEM;
 
 	if (recv->r_iwinc == NULL) {
-		if (atomic_read(&rds_iw_allocation) >= rds_iw_sysctl_max_recv_allocation) {
+		if (!atomic_add_unless(&rds_iw_allocation, 1, rds_iw_sysctl_max_recv_allocation)) {
 			rds_iw_stats_inc(s_iw_rx_alloc_limit);
 			goto out;
 		}
 		recv->r_iwinc = kmem_cache_alloc(rds_iw_incoming_slab,
 						 kptr_gfp);
-		if (recv->r_iwinc == NULL)
+		if (recv->r_iwinc == NULL) {
+			atomic_dec(&rds_iw_allocation);
 			goto out;
-		atomic_inc(&rds_iw_allocation);
+		}
 		INIT_LIST_HEAD(&recv->r_iwinc->ii_frags);
 		rds_inc_init(&recv->r_iwinc->ii_inc, conn, conn->c_faddr);
 	}
-- 
GitLab


From 433d308dd85e506bb6529177cc0f997627d87ed6 Mon Sep 17 00:00:00 2001
From: Andy Grover <andy.grover@oracle.com>
Date: Fri, 30 Oct 2009 08:51:55 +0000
Subject: [PATCH 0787/1815] RDS: Fix panic on unload

Remove explicit destruction of passive connection when destroying
active end of the connection. The passive end is also on the
device's connection list, and will thus be cleaned up properly.
Panic was caused by trying to clean it up twice.

Signed-off-by: Andy Grover <andy.grover@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/rds/ib_rdma.c | 5 +----
 net/rds/iw_rdma.c | 5 +----
 2 files changed, 2 insertions(+), 8 deletions(-)

diff --git a/net/rds/ib_rdma.c b/net/rds/ib_rdma.c
index ef3ab5b7283..c5e916598c1 100644
--- a/net/rds/ib_rdma.c
+++ b/net/rds/ib_rdma.c
@@ -187,11 +187,8 @@ void __rds_ib_destroy_conns(struct list_head *list, spinlock_t *list_lock)
 	INIT_LIST_HEAD(list);
 	spin_unlock_irq(list_lock);
 
-	list_for_each_entry_safe(ic, _ic, &tmp_list, ib_node) {
-		if (ic->conn->c_passive)
-			rds_conn_destroy(ic->conn->c_passive);
+	list_for_each_entry_safe(ic, _ic, &tmp_list, ib_node)
 		rds_conn_destroy(ic->conn);
-	}
 }
 
 struct rds_ib_mr_pool *rds_ib_create_mr_pool(struct rds_ib_device *rds_ibdev)
diff --git a/net/rds/iw_rdma.c b/net/rds/iw_rdma.c
index de4a1b16bf7..b25d785e49f 100644
--- a/net/rds/iw_rdma.c
+++ b/net/rds/iw_rdma.c
@@ -245,11 +245,8 @@ void __rds_iw_destroy_conns(struct list_head *list, spinlock_t *list_lock)
 	INIT_LIST_HEAD(list);
 	spin_unlock_irq(list_lock);
 
-	list_for_each_entry_safe(ic, _ic, &tmp_list, iw_node) {
-		if (ic->conn->c_passive)
-			rds_conn_destroy(ic->conn->c_passive);
+	list_for_each_entry_safe(ic, _ic, &tmp_list, iw_node)
 		rds_conn_destroy(ic->conn);
-	}
 }
 
 static void rds_iw_set_scatterlist(struct rds_iw_scatterlist *sg,
-- 
GitLab


From 0514f8a9c0cbd26afa70dc56406cc0ee1e134dcf Mon Sep 17 00:00:00 2001
From: Andy Grover <andy.grover@oracle.com>
Date: Fri, 30 Oct 2009 08:51:56 +0000
Subject: [PATCH 0788/1815] RDS: Do not send congestion updates to loopback
 connections

This issue was discovered by HP's Pradeep and fixed in OFED
1.3, but not fixed in later versions, since the fix's implementation
was not immediately applyable to the later code. This patch should
do the trick for 1.4+ codebases.

Signed-off-by: Andy Grover <andy.grover@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/rds/cong.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/rds/cong.c b/net/rds/cong.c
index dd2711df640..6d06cac2649 100644
--- a/net/rds/cong.c
+++ b/net/rds/cong.c
@@ -218,6 +218,8 @@ void rds_cong_queue_updates(struct rds_cong_map *map)
 	spin_lock_irqsave(&rds_cong_lock, flags);
 
 	list_for_each_entry(conn, &map->m_conn_list, c_map_item) {
+		if (conn->c_loopback)
+			continue;
 		if (!test_and_set_bit(0, &conn->c_map_queued)) {
 			rds_stats_inc(s_cong_update_queued);
 			queue_delayed_work(rds_wq, &conn->c_send_w, 0);
-- 
GitLab


From d521b63b27e3a397e0ef7ca86b6e813861083c83 Mon Sep 17 00:00:00 2001
From: Andy Grover <andy.grover@oracle.com>
Date: Fri, 30 Oct 2009 08:51:57 +0000
Subject: [PATCH 0789/1815] RDS/IB+IW: Move recv processing to a tasklet

Move receive processing from event handler to a tasklet.
This should help prevent hangcheck timer from going off
when RDS is under heavy load.

Signed-off-by: Andy Grover <andy.grover@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/rds/ib.h      |  2 ++
 net/rds/ib_cm.c   |  2 ++
 net/rds/ib_recv.c | 28 ++++++++++++++++++++++------
 net/rds/iw.h      |  2 ++
 net/rds/iw_cm.c   |  2 ++
 net/rds/iw_recv.c | 28 ++++++++++++++++++++++------
 6 files changed, 52 insertions(+), 12 deletions(-)

diff --git a/net/rds/ib.h b/net/rds/ib.h
index 1378b854cac..64df4e79b29 100644
--- a/net/rds/ib.h
+++ b/net/rds/ib.h
@@ -98,6 +98,7 @@ struct rds_ib_connection {
 	struct rds_ib_send_work *i_sends;
 
 	/* rx */
+	struct tasklet_struct	i_recv_tasklet;
 	struct mutex		i_recv_mutex;
 	struct rds_ib_work_ring	i_recv_ring;
 	struct rds_ib_incoming	*i_ibinc;
@@ -303,6 +304,7 @@ void rds_ib_inc_free(struct rds_incoming *inc);
 int rds_ib_inc_copy_to_user(struct rds_incoming *inc, struct iovec *iov,
 			     size_t size);
 void rds_ib_recv_cq_comp_handler(struct ib_cq *cq, void *context);
+void rds_ib_recv_tasklet_fn(unsigned long data);
 void rds_ib_recv_init_ring(struct rds_ib_connection *ic);
 void rds_ib_recv_clear_ring(struct rds_ib_connection *ic);
 void rds_ib_recv_init_ack(struct rds_ib_connection *ic);
diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c
index c2d372f13db..9d320692a4f 100644
--- a/net/rds/ib_cm.c
+++ b/net/rds/ib_cm.c
@@ -694,6 +694,8 @@ int rds_ib_conn_alloc(struct rds_connection *conn, gfp_t gfp)
 		return -ENOMEM;
 
 	INIT_LIST_HEAD(&ic->ib_node);
+	tasklet_init(&ic->i_recv_tasklet, rds_ib_recv_tasklet_fn,
+		     (unsigned long) ic);
 	mutex_init(&ic->i_recv_mutex);
 #ifndef KERNEL_HAS_ATOMIC64
 	spin_lock_init(&ic->i_ack_lock);
diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c
index 2f009d391c2..fe5ab8c6b96 100644
--- a/net/rds/ib_recv.c
+++ b/net/rds/ib_recv.c
@@ -825,17 +825,22 @@ void rds_ib_recv_cq_comp_handler(struct ib_cq *cq, void *context)
 {
 	struct rds_connection *conn = context;
 	struct rds_ib_connection *ic = conn->c_transport_data;
-	struct ib_wc wc;
-	struct rds_ib_ack_state state = { 0, };
-	struct rds_ib_recv_work *recv;
 
 	rdsdebug("conn %p cq %p\n", conn, cq);
 
 	rds_ib_stats_inc(s_ib_rx_cq_call);
 
-	ib_req_notify_cq(cq, IB_CQ_SOLICITED);
+	tasklet_schedule(&ic->i_recv_tasklet);
+}
 
-	while (ib_poll_cq(cq, 1, &wc) > 0) {
+static inline void rds_poll_cq(struct rds_ib_connection *ic,
+			       struct rds_ib_ack_state *state)
+{
+	struct rds_connection *conn = ic->conn;
+	struct ib_wc wc;
+	struct rds_ib_recv_work *recv;
+
+	while (ib_poll_cq(ic->i_recv_cq, 1, &wc) > 0) {
 		rdsdebug("wc wr_id 0x%llx status %u byte_len %u imm_data %u\n",
 			 (unsigned long long)wc.wr_id, wc.status, wc.byte_len,
 			 be32_to_cpu(wc.ex.imm_data));
@@ -853,7 +858,7 @@ void rds_ib_recv_cq_comp_handler(struct ib_cq *cq, void *context)
 		if (rds_conn_up(conn) || rds_conn_connecting(conn)) {
 			/* We expect errors as the qp is drained during shutdown */
 			if (wc.status == IB_WC_SUCCESS) {
-				rds_ib_process_recv(conn, recv, wc.byte_len, &state);
+				rds_ib_process_recv(conn, recv, wc.byte_len, state);
 			} else {
 				rds_ib_conn_error(conn, "recv completion on "
 				       "%pI4 had status %u, disconnecting and "
@@ -864,6 +869,17 @@ void rds_ib_recv_cq_comp_handler(struct ib_cq *cq, void *context)
 
 		rds_ib_ring_free(&ic->i_recv_ring, 1);
 	}
+}
+
+void rds_ib_recv_tasklet_fn(unsigned long data)
+{
+	struct rds_ib_connection *ic = (struct rds_ib_connection *) data;
+	struct rds_connection *conn = ic->conn;
+	struct rds_ib_ack_state state = { 0, };
+
+	rds_poll_cq(ic, &state);
+	ib_req_notify_cq(ic->i_recv_cq, IB_CQ_SOLICITED);
+	rds_poll_cq(ic, &state);
 
 	if (state.ack_next_valid)
 		rds_ib_set_ack(ic, state.ack_next, state.ack_required);
diff --git a/net/rds/iw.h b/net/rds/iw.h
index dd72b62bd50..eef2f0c2847 100644
--- a/net/rds/iw.h
+++ b/net/rds/iw.h
@@ -119,6 +119,7 @@ struct rds_iw_connection {
 	struct rds_iw_send_work *i_sends;
 
 	/* rx */
+	struct tasklet_struct	i_recv_tasklet;
 	struct mutex		i_recv_mutex;
 	struct rds_iw_work_ring	i_recv_ring;
 	struct rds_iw_incoming	*i_iwinc;
@@ -330,6 +331,7 @@ void rds_iw_inc_free(struct rds_incoming *inc);
 int rds_iw_inc_copy_to_user(struct rds_incoming *inc, struct iovec *iov,
 			     size_t size);
 void rds_iw_recv_cq_comp_handler(struct ib_cq *cq, void *context);
+void rds_iw_recv_tasklet_fn(unsigned long data);
 void rds_iw_recv_init_ring(struct rds_iw_connection *ic);
 void rds_iw_recv_clear_ring(struct rds_iw_connection *ic);
 void rds_iw_recv_init_ack(struct rds_iw_connection *ic);
diff --git a/net/rds/iw_cm.c b/net/rds/iw_cm.c
index a416b0d492b..394cf6b4d0a 100644
--- a/net/rds/iw_cm.c
+++ b/net/rds/iw_cm.c
@@ -696,6 +696,8 @@ int rds_iw_conn_alloc(struct rds_connection *conn, gfp_t gfp)
 		return -ENOMEM;
 
 	INIT_LIST_HEAD(&ic->iw_node);
+	tasklet_init(&ic->i_recv_tasklet, rds_iw_recv_tasklet_fn,
+		     (unsigned long) ic);
 	mutex_init(&ic->i_recv_mutex);
 #ifndef KERNEL_HAS_ATOMIC64
 	spin_lock_init(&ic->i_ack_lock);
diff --git a/net/rds/iw_recv.c b/net/rds/iw_recv.c
index 9f98150af19..24fc53f0383 100644
--- a/net/rds/iw_recv.c
+++ b/net/rds/iw_recv.c
@@ -784,17 +784,22 @@ void rds_iw_recv_cq_comp_handler(struct ib_cq *cq, void *context)
 {
 	struct rds_connection *conn = context;
 	struct rds_iw_connection *ic = conn->c_transport_data;
-	struct ib_wc wc;
-	struct rds_iw_ack_state state = { 0, };
-	struct rds_iw_recv_work *recv;
 
 	rdsdebug("conn %p cq %p\n", conn, cq);
 
 	rds_iw_stats_inc(s_iw_rx_cq_call);
 
-	ib_req_notify_cq(cq, IB_CQ_SOLICITED);
+	tasklet_schedule(&ic->i_recv_tasklet);
+}
 
-	while (ib_poll_cq(cq, 1, &wc) > 0) {
+static inline void rds_poll_cq(struct rds_iw_connection *ic,
+			       struct rds_iw_ack_state *state)
+{
+	struct rds_connection *conn = ic->conn;
+	struct ib_wc wc;
+	struct rds_iw_recv_work *recv;
+
+	while (ib_poll_cq(ic->i_recv_cq, 1, &wc) > 0) {
 		rdsdebug("wc wr_id 0x%llx status %u byte_len %u imm_data %u\n",
 			 (unsigned long long)wc.wr_id, wc.status, wc.byte_len,
 			 be32_to_cpu(wc.ex.imm_data));
@@ -812,7 +817,7 @@ void rds_iw_recv_cq_comp_handler(struct ib_cq *cq, void *context)
 		if (rds_conn_up(conn) || rds_conn_connecting(conn)) {
 			/* We expect errors as the qp is drained during shutdown */
 			if (wc.status == IB_WC_SUCCESS) {
-				rds_iw_process_recv(conn, recv, wc.byte_len, &state);
+				rds_iw_process_recv(conn, recv, wc.byte_len, state);
 			} else {
 				rds_iw_conn_error(conn, "recv completion on "
 				       "%pI4 had status %u, disconnecting and "
@@ -823,6 +828,17 @@ void rds_iw_recv_cq_comp_handler(struct ib_cq *cq, void *context)
 
 		rds_iw_ring_free(&ic->i_recv_ring, 1);
 	}
+}
+
+void rds_iw_recv_tasklet_fn(unsigned long data)
+{
+	struct rds_iw_connection *ic = (struct rds_iw_connection *) data;
+	struct rds_connection *conn = ic->conn;
+	struct rds_iw_ack_state state = { 0, };
+
+	rds_poll_cq(ic, &state);
+	ib_req_notify_cq(ic->i_recv_cq, IB_CQ_SOLICITED);
+	rds_poll_cq(ic, &state);
 
 	if (state.ack_next_valid)
 		rds_iw_set_ack(ic, state.ack_next, state.ack_required);
-- 
GitLab


From 68d8287ce1e1da3c99881385a93e74f68c454fc2 Mon Sep 17 00:00:00 2001
From: "Figo.zhang" <figo1802@gmail.com>
Date: Fri, 30 Oct 2009 03:05:11 +0000
Subject: [PATCH 0790/1815] NET:KS8695: add API for get rx interrupt bit

1. Add API Add k8695_get_rx_enable_bit() for get Rx interrupt
enable/status bit.
2. add some comment or document about some functions and variables.
3.  update driver version to "1.02"
4. add napi_enable() and napi_disable() in open/close file method.

Signed-off-by: Figo.zhang <figo1802@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/arm/ks8695net.c | 67 ++++++++++++++++++++++++++++++-------
 1 file changed, 55 insertions(+), 12 deletions(-)

diff --git a/drivers/net/arm/ks8695net.c b/drivers/net/arm/ks8695net.c
index ed0b0f3b712..0073d198715 100644
--- a/drivers/net/arm/ks8695net.c
+++ b/drivers/net/arm/ks8695net.c
@@ -41,8 +41,7 @@
 #include "ks8695net.h"
 
 #define MODULENAME	"ks8695_ether"
-#define MODULEVERSION	"1.01"
-
+#define MODULEVERSION	"1.02"
 
 /*
  * Transmit and device reset timeout, default 5 seconds.
@@ -98,6 +97,9 @@ struct ks8695_skbuff {
 #define MAX_RX_DESC 16
 #define MAX_RX_DESC_MASK 0xf
 
+/*napi_weight have better more than rx DMA buffers*/
+#define NAPI_WEIGHT   64
+
 #define MAX_RXBUF_SIZE 0x700
 
 #define TX_RING_DMA_SIZE (sizeof(struct tx_ring_desc) * MAX_TX_DESC)
@@ -123,6 +125,7 @@ enum ks8695_dtype {
  *	@dev: The platform device object for this interface
  *	@dtype: The type of this device
  *	@io_regs: The ioremapped registers for this interface
+ *      @napi : Add support NAPI for Rx
  *	@rx_irq_name: The textual name of the RX IRQ from the platform data
  *	@tx_irq_name: The textual name of the TX IRQ from the platform data
  *	@link_irq_name: The textual name of the link IRQ from the
@@ -146,6 +149,7 @@ enum ks8695_dtype {
  *	@rx_ring_dma: The DMA mapped equivalent of rx_ring
  *	@rx_buffers: The sk_buff mappings for the RX ring
  *	@next_rx_desc_read: The next RX descriptor to read from on IRQ
+ *      @rx_lock: A lock to protect Rx irq function
  *	@msg_enable: The flags for which messages to emit
  */
 struct ks8695_priv {
@@ -397,12 +401,31 @@ ks8695_tx_irq(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
+/**
+ *	ks8695_get_rx_enable_bit - Get rx interrupt enable/status bit
+ *	@ksp: Private data for the KS8695 Ethernet
+ *
+ *    For KS8695 document:
+ *    Interrupt Enable Register (offset 0xE204)
+ *        Bit29 : WAN MAC Receive Interrupt Enable
+ *        Bit16 : LAN MAC Receive Interrupt Enable
+ *    Interrupt Status Register (Offset 0xF208)
+ *        Bit29: WAN MAC Receive Status
+ *        Bit16: LAN MAC Receive Status
+ *    So, this Rx interrrupt enable/status bit number is equal
+ *    as Rx IRQ number.
+ */
+static inline u32 ks8695_get_rx_enable_bit(struct ks8695_priv *ksp)
+{
+	return ksp->rx_irq;
+}
+
 /**
  *	ks8695_rx_irq - Receive IRQ handler
  *	@irq: The IRQ which went off (ignored)
  *	@dev_id: The net_device for the interrupt
  *
- *	Use NAPI to receive packets.
+ *	Inform NAPI that packet reception needs to be scheduled
  */
 
 static irqreturn_t
@@ -412,7 +435,7 @@ ks8695_rx_irq(int irq, void *dev_id)
 	struct ks8695_priv *ksp = netdev_priv(ndev);
 	unsigned long status;
 
-	unsigned long mask_bit = 1 << ksp->rx_irq;
+	unsigned long mask_bit = 1 << ks8695_get_rx_enable_bit(ksp);
 
 	spin_lock(&ksp->rx_lock);
 
@@ -434,9 +457,15 @@ ks8695_rx_irq(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-static int ks8695_rx(struct net_device *ndev, int budget)
+/**
+ *	ks8695_rx - Receive packets  called by NAPI poll method
+ *	@ksp: Private data for the KS8695 Ethernet
+ *	@budget: The max packets would be receive
+ */
+
+static int ks8695_rx(struct ks8695_priv *ksp, int budget)
 {
-	struct ks8695_priv *ksp = netdev_priv(ndev);
+	struct net_device *ndev = ksp->ndev;
 	struct sk_buff *skb;
 	int buff_n;
 	u32 flags;
@@ -526,20 +555,32 @@ rx_finished:
 
 			/* And refill the buffers */
 			ks8695_refill_rxbuffers(ksp);
+
+			/* Kick the RX DMA engine, in case it became
+			 *  suspended */
+			ks8695_writereg(ksp, KS8695_DRSC, 0);
 	}
 	return received;
 }
 
+
+/**
+ *	ks8695_poll - Receive packet by NAPI poll method
+ *	@ksp: Private data for the KS8695 Ethernet
+ *	@budget: The remaining number packets for network subsystem
+ *
+ *     Invoked by the network core when it requests for new
+ *     packets from the driver
+ */
 static int ks8695_poll(struct napi_struct *napi, int budget)
 {
 	struct ks8695_priv *ksp = container_of(napi, struct ks8695_priv, napi);
-	struct net_device *dev = ksp->ndev;
-	unsigned long mask_bit = 1 << ksp->rx_irq;
-	unsigned long isr = readl(KS8695_IRQ_VA + KS8695_INTEN);
+	unsigned long  work_done;
 
-	unsigned long  work_done ;
+	unsigned long isr = readl(KS8695_IRQ_VA + KS8695_INTEN);
+	unsigned long mask_bit = 1 << ks8695_get_rx_enable_bit(ksp);
 
-	work_done = ks8695_rx(dev, budget);
+	work_done = ks8695_rx(ksp, budget);
 
 	if (work_done < budget) {
 		unsigned long flags;
@@ -1302,6 +1343,7 @@ ks8695_stop(struct net_device *ndev)
 	struct ks8695_priv *ksp = netdev_priv(ndev);
 
 	netif_stop_queue(ndev);
+	napi_disable(&ksp->napi);
 	netif_carrier_off(ndev);
 
 	ks8695_shutdown(ksp);
@@ -1336,6 +1378,7 @@ ks8695_open(struct net_device *ndev)
 		return ret;
 	}
 
+	napi_enable(&ksp->napi);
 	netif_start_queue(ndev);
 
 	return 0;
@@ -1521,7 +1564,7 @@ ks8695_probe(struct platform_device *pdev)
 	SET_ETHTOOL_OPS(ndev, &ks8695_ethtool_ops);
 	ndev->watchdog_timeo	 = msecs_to_jiffies(watchdog);
 
-	netif_napi_add(ndev, &ksp->napi, ks8695_poll, 64);
+	netif_napi_add(ndev, &ksp->napi, ks8695_poll, NAPI_WEIGHT);
 
 	/* Retrieve the default MAC addr from the chip. */
 	/* The bootloader should have left it in there for us. */
-- 
GitLab


From 72c9528bab94cc052d00ce241b8e85f5d71e45f0 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 30 Oct 2009 07:11:27 +0000
Subject: [PATCH 0791/1815] net: Introduce dev_get_by_name_rcu()

Some workloads hit dev_base_lock rwlock pretty hard.
We can use RCU lookups to avoid touching this rwlock
(and avoid touching netdevice refcount)

netdevices are already freed after a RCU grace period, so this patch
adds no penalty at device dismantle time.

However, it adds a synchronize_rcu() call in dev_change_name()

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/netdevice.h |  1 +
 net/core/dev.c            | 49 ++++++++++++++++++++++++++++++++-------
 2 files changed, 41 insertions(+), 9 deletions(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index e5ece8dceaa..bcf1083857f 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1115,6 +1115,7 @@ extern void		__dev_remove_pack(struct packet_type *pt);
 extern struct net_device	*dev_get_by_flags(struct net *net, unsigned short flags,
 						  unsigned short mask);
 extern struct net_device	*dev_get_by_name(struct net *net, const char *name);
+extern struct net_device	*dev_get_by_name_rcu(struct net *net, const char *name);
 extern struct net_device	*__dev_get_by_name(struct net *net, const char *name);
 extern int		dev_alloc_name(struct net_device *dev, const char *name);
 extern int		dev_open(struct net_device *dev);
diff --git a/net/core/dev.c b/net/core/dev.c
index 94f42a15fff..f54d8b8a434 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -213,7 +213,7 @@ static int list_netdevice(struct net_device *dev)
 
 	write_lock_bh(&dev_base_lock);
 	list_add_tail(&dev->dev_list, &net->dev_base_head);
-	hlist_add_head(&dev->name_hlist, dev_name_hash(net, dev->name));
+	hlist_add_head_rcu(&dev->name_hlist, dev_name_hash(net, dev->name));
 	hlist_add_head_rcu(&dev->index_hlist,
 			   dev_index_hash(net, dev->ifindex));
 	write_unlock_bh(&dev_base_lock);
@@ -230,7 +230,7 @@ static void unlist_netdevice(struct net_device *dev)
 	/* Unlink dev from the device chain */
 	write_lock_bh(&dev_base_lock);
 	list_del(&dev->dev_list);
-	hlist_del(&dev->name_hlist);
+	hlist_del_rcu(&dev->name_hlist);
 	hlist_del_rcu(&dev->index_hlist);
 	write_unlock_bh(&dev_base_lock);
 }
@@ -598,6 +598,32 @@ struct net_device *__dev_get_by_name(struct net *net, const char *name)
 }
 EXPORT_SYMBOL(__dev_get_by_name);
 
+/**
+ *	dev_get_by_name_rcu	- find a device by its name
+ *	@net: the applicable net namespace
+ *	@name: name to find
+ *
+ *	Find an interface by name.
+ *	If the name is found a pointer to the device is returned.
+ * 	If the name is not found then %NULL is returned.
+ *	The reference counters are not incremented so the caller must be
+ *	careful with locks. The caller must hold RCU lock.
+ */
+
+struct net_device *dev_get_by_name_rcu(struct net *net, const char *name)
+{
+	struct hlist_node *p;
+	struct net_device *dev;
+	struct hlist_head *head = dev_name_hash(net, name);
+
+	hlist_for_each_entry_rcu(dev, p, head, name_hlist)
+		if (!strncmp(dev->name, name, IFNAMSIZ))
+			return dev;
+
+	return NULL;
+}
+EXPORT_SYMBOL(dev_get_by_name_rcu);
+
 /**
  *	dev_get_by_name		- find a device by its name
  *	@net: the applicable net namespace
@@ -614,11 +640,11 @@ struct net_device *dev_get_by_name(struct net *net, const char *name)
 {
 	struct net_device *dev;
 
-	read_lock(&dev_base_lock);
-	dev = __dev_get_by_name(net, name);
+	rcu_read_lock();
+	dev = dev_get_by_name_rcu(net, name);
 	if (dev)
 		dev_hold(dev);
-	read_unlock(&dev_base_lock);
+	rcu_read_unlock();
 	return dev;
 }
 EXPORT_SYMBOL(dev_get_by_name);
@@ -960,7 +986,12 @@ rollback:
 
 	write_lock_bh(&dev_base_lock);
 	hlist_del(&dev->name_hlist);
-	hlist_add_head(&dev->name_hlist, dev_name_hash(net, dev->name));
+	write_unlock_bh(&dev_base_lock);
+
+	synchronize_rcu();
+
+	write_lock_bh(&dev_base_lock);
+	hlist_add_head_rcu(&dev->name_hlist, dev_name_hash(net, dev->name));
 	write_unlock_bh(&dev_base_lock);
 
 	ret = call_netdevice_notifiers(NETDEV_CHANGENAME, dev);
@@ -1062,9 +1093,9 @@ void dev_load(struct net *net, const char *name)
 {
 	struct net_device *dev;
 
-	read_lock(&dev_base_lock);
-	dev = __dev_get_by_name(net, name);
-	read_unlock(&dev_base_lock);
+	rcu_read_lock();
+	dev = dev_get_by_name_rcu(net, name);
+	rcu_read_unlock();
 
 	if (!dev && capable(CAP_NET_ADMIN))
 		request_module("%s", name);
-- 
GitLab


From 9fdce099bb72df534daa6193318feaec177998fc Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Fri, 30 Oct 2009 14:51:13 +0000
Subject: [PATCH 0792/1815] veth: Fix unregister_netdevice_queue for veth

I tested the recent unregister many changes and got a weird,
nasty and seemingly unrelasted kernel oops. Changing
unregister_netdevice_queue to use list_move_tail fixes
the problem for me.

ip link add type veth
rmmod veth

ls /sys/class/net/
showed one of the veth devices still present.

A subsequent ip link oopsed the box.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/dev.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/core/dev.c b/net/core/dev.c
index f54d8b8a434..3c40d545a03 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5258,6 +5258,7 @@ struct net_device *alloc_netdev_mq(int sizeof_priv, const char *name,
 	netdev_init_queues(dev);
 
 	INIT_LIST_HEAD(&dev->napi_list);
+	INIT_LIST_HEAD(&dev->unreg_list);
 	dev->priv_flags = IFF_XMIT_DST_RELEASE;
 	setup(dev);
 	strcpy(dev->name, name);
@@ -5339,7 +5340,7 @@ void unregister_netdevice_queue(struct net_device *dev, struct list_head *head)
 	ASSERT_RTNL();
 
 	if (head) {
-		list_add_tail(&dev->unreg_list, head);
+		list_move_tail(&dev->unreg_list, head);
 	} else {
 		rollback_registered(dev);
 		/* Finish processing unregister after unlock */
-- 
GitLab


From c148fc2e30c988f7e3ac91738b2c03f1cef44849 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Sun, 1 Nov 2009 19:23:04 +0000
Subject: [PATCH 0793/1815] ipv4: inetdev_by_index() switch to RCU

Use dev_get_by_index_rcu() instead of __dev_get_by_index() and
dev_base_lock rwlock

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/devinet.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 5df2f6a0b0f..ccccaae50b2 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -405,11 +405,12 @@ struct in_device *inetdev_by_index(struct net *net, int ifindex)
 {
 	struct net_device *dev;
 	struct in_device *in_dev = NULL;
-	read_lock(&dev_base_lock);
-	dev = __dev_get_by_index(net, ifindex);
+
+	rcu_read_lock();
+	dev = dev_get_by_index_rcu(net, ifindex);
 	if (dev)
 		in_dev = in_dev_get(dev);
-	read_unlock(&dev_base_lock);
+	rcu_read_unlock();
 	return in_dev;
 }
 
-- 
GitLab


From 685c7944055b9de51ff509719070afae92b3dbe1 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Sun, 1 Nov 2009 19:31:03 +0000
Subject: [PATCH 0794/1815] icmp: icmp_send() can avoid a dev_put()

We can avoid touching device refcount in icmp_send(),
using dev_get_by_index_rcu()

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/icmp.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 84adb5754c9..fe11f60ce41 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -501,15 +501,16 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
 	if (!(rt->rt_flags & RTCF_LOCAL)) {
 		struct net_device *dev = NULL;
 
+		rcu_read_lock();
 		if (rt->fl.iif &&
 			net->ipv4.sysctl_icmp_errors_use_inbound_ifaddr)
-			dev = dev_get_by_index(net, rt->fl.iif);
+			dev = dev_get_by_index_rcu(net, rt->fl.iif);
 
-		if (dev) {
+		if (dev)
 			saddr = inet_select_addr(dev, 0, RT_SCOPE_LINK);
-			dev_put(dev);
-		} else
+		else
 			saddr = 0;
+		rcu_read_unlock();
 	}
 
 	tos = icmp_pointers[type].error ? ((iph->tos & IPTOS_TOS_MASK) |
-- 
GitLab


From 3710becf8a58a5c6c4e797e3a3c968c161abdb41 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Sun, 1 Nov 2009 19:42:09 +0000
Subject: [PATCH 0795/1815] net: RCU locking for simple ioctl()

All ioctls() implemented by dev_ifsioc_locked() :
SIOCGIFFLAGS, SIOCGIFMETRIC, SIOCGIFMTU, SIOCGIFHWADDR,
SIOCGIFSLAVE, SIOCGIFMAP, SIOCGIFINDEX & SIOCGIFTXQLEN
can use RCU lock instead of dev_base_lock rwlock

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/dev.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/net/core/dev.c b/net/core/dev.c
index 3c40d545a03..76a1502efe6 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4315,12 +4315,12 @@ int dev_set_mac_address(struct net_device *dev, struct sockaddr *sa)
 EXPORT_SYMBOL(dev_set_mac_address);
 
 /*
- *	Perform the SIOCxIFxxx calls, inside read_lock(dev_base_lock)
+ *	Perform the SIOCxIFxxx calls, inside rcu_read_lock()
  */
 static int dev_ifsioc_locked(struct net *net, struct ifreq *ifr, unsigned int cmd)
 {
 	int err;
-	struct net_device *dev = __dev_get_by_name(net, ifr->ifr_name);
+	struct net_device *dev = dev_get_by_name_rcu(net, ifr->ifr_name);
 
 	if (!dev)
 		return -ENODEV;
@@ -4552,9 +4552,9 @@ int dev_ioctl(struct net *net, unsigned int cmd, void __user *arg)
 	case SIOCGIFINDEX:
 	case SIOCGIFTXQLEN:
 		dev_load(net, ifr.ifr_name);
-		read_lock(&dev_base_lock);
+		rcu_read_lock();
 		ret = dev_ifsioc_locked(net, &ifr, cmd);
-		read_unlock(&dev_base_lock);
+		rcu_read_unlock();
 		if (!ret) {
 			if (colon)
 				*colon = ':';
-- 
GitLab


From 05e8689c9a3a208bf75b60662778d81e23eac460 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Sun, 1 Nov 2009 19:45:16 +0000
Subject: [PATCH 0796/1815] ifb: RCU locking avoids touching dev refcount

Avoids touching dev refcount in hotpath

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ifb.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ifb.c b/drivers/net/ifb.c
index 030913f8bd2..69c25668dd6 100644
--- a/drivers/net/ifb.c
+++ b/drivers/net/ifb.c
@@ -98,13 +98,15 @@ static void ri_tasklet(unsigned long dev)
 		stats->tx_packets++;
 		stats->tx_bytes +=skb->len;
 
-		skb->dev = dev_get_by_index(&init_net, skb->iif);
+		rcu_read_lock();
+		skb->dev = dev_get_by_index_rcu(&init_net, skb->iif);
 		if (!skb->dev) {
+			rcu_read_unlock();
 			dev_kfree_skb(skb);
 			stats->tx_dropped++;
 			break;
 		}
-		dev_put(skb->dev);
+		rcu_read_unlock();
 		skb->iif = _dev->ifindex;
 
 		if (from & AT_EGRESS) {
-- 
GitLab


From 1178f66eaea968d093cafd37c226ebeaa70d56cf Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Sun, 1 Nov 2009 19:51:22 +0000
Subject: [PATCH 0797/1815] pppoe: RCU locking in get_item_by_addr()

Use dev_get_by_name_rcu() instead of dev_get_by_name(),
to avoid touching device refcount in hotpath.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/pppoe.c | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

diff --git a/drivers/net/pppoe.c b/drivers/net/pppoe.c
index 2559991eea6..60c8d233209 100644
--- a/drivers/net/pppoe.c
+++ b/drivers/net/pppoe.c
@@ -250,20 +250,19 @@ static inline struct pppox_sock *get_item_by_addr(struct net *net,
 {
 	struct net_device *dev;
 	struct pppoe_net *pn;
-	struct pppox_sock *pppox_sock;
+	struct pppox_sock *pppox_sock = NULL;
 
 	int ifindex;
 
-	dev = dev_get_by_name(net, sp->sa_addr.pppoe.dev);
-	if (!dev)
-		return NULL;
-
-	ifindex = dev->ifindex;
-	pn = net_generic(net, pppoe_net_id);
-	pppox_sock = get_item(pn, sp->sa_addr.pppoe.sid,
+	rcu_read_lock();
+	dev = dev_get_by_name_rcu(net, sp->sa_addr.pppoe.dev);
+	if (dev) {
+		ifindex = dev->ifindex;
+		pn = net_generic(net, pppoe_net_id);
+		pppox_sock = get_item(pn, sp->sa_addr.pppoe.sid,
 				sp->sa_addr.pppoe.remote, ifindex);
-	dev_put(dev);
-
+	}
+	rcu_read_unlock();
 	return pppox_sock;
 }
 
-- 
GitLab


From 654d1f8a019dfa06df8355248e1ce222f303b88d Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Mon, 2 Nov 2009 10:43:32 +0100
Subject: [PATCH 0798/1815] packet: less dev_put() calls

- packet_sendmsg_spkt() can use dev_get_by_name_rcu() to avoid touching device refcount.

- packet_getname_spkt() & packet_getname() can use dev_get_by_index_rcu() to
  avoid touching device refcount too.

tpacket_snd() & packet_snd() can not use RCU yet because they can sleep when
allocating skb.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/packet/af_packet.c | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 95ef64e4189..91d246d3478 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -437,7 +437,8 @@ static int packet_sendmsg_spkt(struct kiocb *iocb, struct socket *sock,
 	 */
 
 	saddr->spkt_device[13] = 0;
-	dev = dev_get_by_name(sock_net(sk), saddr->spkt_device);
+	rcu_read_lock();
+	dev = dev_get_by_name_rcu(sock_net(sk), saddr->spkt_device);
 	err = -ENODEV;
 	if (dev == NULL)
 		goto out_unlock;
@@ -500,14 +501,13 @@ static int packet_sendmsg_spkt(struct kiocb *iocb, struct socket *sock,
 	 */
 
 	dev_queue_xmit(skb);
-	dev_put(dev);
+	rcu_read_unlock();
 	return len;
 
 out_free:
 	kfree_skb(skb);
 out_unlock:
-	if (dev)
-		dev_put(dev);
+	rcu_read_unlock();
 	return err;
 }
 
@@ -1518,12 +1518,13 @@ static int packet_getname_spkt(struct socket *sock, struct sockaddr *uaddr,
 		return -EOPNOTSUPP;
 
 	uaddr->sa_family = AF_PACKET;
-	dev = dev_get_by_index(sock_net(sk), pkt_sk(sk)->ifindex);
-	if (dev) {
+	rcu_read_lock();
+	dev = dev_get_by_index_rcu(sock_net(sk), pkt_sk(sk)->ifindex);
+	if (dev)
 		strlcpy(uaddr->sa_data, dev->name, 15);
-		dev_put(dev);
-	} else
+	else
 		memset(uaddr->sa_data, 0, 14);
+	rcu_read_unlock();
 	*uaddr_len = sizeof(*uaddr);
 
 	return 0;
@@ -1543,16 +1544,17 @@ static int packet_getname(struct socket *sock, struct sockaddr *uaddr,
 	sll->sll_family = AF_PACKET;
 	sll->sll_ifindex = po->ifindex;
 	sll->sll_protocol = po->num;
-	dev = dev_get_by_index(sock_net(sk), po->ifindex);
+	rcu_read_lock();
+	dev = dev_get_by_index_rcu(sock_net(sk), po->ifindex);
 	if (dev) {
 		sll->sll_hatype = dev->type;
 		sll->sll_halen = dev->addr_len;
 		memcpy(sll->sll_addr, dev->dev_addr, dev->addr_len);
-		dev_put(dev);
 	} else {
 		sll->sll_hatype = 0;	/* Bad: we have no ARPHRD_UNSPEC */
 		sll->sll_halen = 0;
 	}
+	rcu_read_unlock();
 	*uaddr_len = offsetof(struct sockaddr_ll, sll_addr) + sll->sll_halen;
 
 	return 0;
-- 
GitLab


From f1a28eab20076542322fcab3efa016834bd732f2 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Mon, 2 Nov 2009 11:21:37 +0100
Subject: [PATCH 0799/1815] ip6tnl: less dev_put() calls

Using dev_get_by_index_rcu() in ip6_tnl_rcv_ctl() & ip6_tnl_xmit_ctl()
avoids touching device refcount.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/ip6_tunnel.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 6c1b5c98e81..1d614113a4b 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -658,6 +658,7 @@ static void ip6ip6_dscp_ecn_decapsulate(struct ip6_tnl *t,
 		IP6_ECN_set_ce(ipv6_hdr(skb));
 }
 
+/* called with rcu_read_lock() */
 static inline int ip6_tnl_rcv_ctl(struct ip6_tnl *t)
 {
 	struct ip6_tnl_parm *p = &t->parms;
@@ -668,15 +669,13 @@ static inline int ip6_tnl_rcv_ctl(struct ip6_tnl *t)
 		struct net_device *ldev = NULL;
 
 		if (p->link)
-			ldev = dev_get_by_index(net, p->link);
+			ldev = dev_get_by_index_rcu(net, p->link);
 
 		if ((ipv6_addr_is_multicast(&p->laddr) ||
 		     likely(ipv6_chk_addr(net, &p->laddr, ldev, 0))) &&
 		    likely(!ipv6_chk_addr(net, &p->raddr, NULL, 0)))
 			ret = 1;
 
-		if (ldev)
-			dev_put(ldev);
 	}
 	return ret;
 }
@@ -804,8 +803,9 @@ static inline int ip6_tnl_xmit_ctl(struct ip6_tnl *t)
 	if (p->flags & IP6_TNL_F_CAP_XMIT) {
 		struct net_device *ldev = NULL;
 
+		rcu_read_lock();
 		if (p->link)
-			ldev = dev_get_by_index(net, p->link);
+			ldev = dev_get_by_index_rcu(net, p->link);
 
 		if (unlikely(!ipv6_chk_addr(net, &p->laddr, ldev, 0)))
 			printk(KERN_WARNING
@@ -819,8 +819,7 @@ static inline int ip6_tnl_xmit_ctl(struct ip6_tnl *t)
 			       p->name);
 		else
 			ret = 1;
-		if (ldev)
-			dev_put(ldev);
+		rcu_read_unlock();
 	}
 	return ret;
 }
-- 
GitLab


From 16ba5e8e7c01d2da87ff1d17e83545f164665b5c Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Mon, 2 Nov 2009 12:10:39 +0100
Subject: [PATCH 0800/1815] ipv6: no more dev_put() in inet6_bind()

Avoids touching device refcount in inet6_bind(), thanks to RCU

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/af_inet6.c | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index b6d05881867..9105b25defe 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -314,6 +314,7 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 		if (addr_type != IPV6_ADDR_ANY) {
 			struct net_device *dev = NULL;
 
+			rcu_read_lock();
 			if (addr_type & IPV6_ADDR_LINKLOCAL) {
 				if (addr_len >= sizeof(struct sockaddr_in6) &&
 				    addr->sin6_scope_id) {
@@ -326,12 +327,12 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 				/* Binding to link-local address requires an interface */
 				if (!sk->sk_bound_dev_if) {
 					err = -EINVAL;
-					goto out;
+					goto out_unlock;
 				}
-				dev = dev_get_by_index(net, sk->sk_bound_dev_if);
+				dev = dev_get_by_index_rcu(net, sk->sk_bound_dev_if);
 				if (!dev) {
 					err = -ENODEV;
-					goto out;
+					goto out_unlock;
 				}
 			}
 
@@ -342,14 +343,11 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 			if (!(addr_type & IPV6_ADDR_MULTICAST))	{
 				if (!ipv6_chk_addr(net, &addr->sin6_addr,
 						   dev, 0)) {
-					if (dev)
-						dev_put(dev);
 					err = -EADDRNOTAVAIL;
-					goto out;
+					goto out_unlock;
 				}
 			}
-			if (dev)
-				dev_put(dev);
+			rcu_read_unlock();
 		}
 	}
 
@@ -381,6 +379,9 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 out:
 	release_sock(sk);
 	return err;
+out_unlock:
+	rcu_read_unlock();
+	goto out;
 }
 
 EXPORT_SYMBOL(inet6_bind);
-- 
GitLab


From 536b2e92f1b7a86e177aeced097e4c051eeebe7d Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Mon, 2 Nov 2009 12:21:06 +0100
Subject: [PATCH 0801/1815] ipv6: no more dev_put() in datagram_send_ctl()

Avoids touching device refcount in datagram_send_ctl(), thanks to RCU

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/datagram.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index 9f70452a69e..e6f9cdf780f 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -537,12 +537,17 @@ int datagram_send_ctl(struct net *net,
 
 			addr_type = __ipv6_addr_type(&src_info->ipi6_addr);
 
+			rcu_read_lock();
 			if (fl->oif) {
-				dev = dev_get_by_index(net, fl->oif);
-				if (!dev)
+				dev = dev_get_by_index_rcu(net, fl->oif);
+				if (!dev) {
+					rcu_read_unlock();
 					return -ENODEV;
-			} else if (addr_type & IPV6_ADDR_LINKLOCAL)
+				}
+			} else if (addr_type & IPV6_ADDR_LINKLOCAL) {
+				rcu_read_unlock();
 				return -EINVAL;
+			}
 
 			if (addr_type != IPV6_ADDR_ANY) {
 				int strict = __ipv6_addr_src_scope(addr_type) <= IPV6_ADDR_SCOPE_LINKLOCAL;
@@ -553,8 +558,7 @@ int datagram_send_ctl(struct net *net,
 					ipv6_addr_copy(&fl->fl6_src, &src_info->ipi6_addr);
 			}
 
-			if (dev)
-				dev_put(dev);
+			rcu_read_unlock();
 
 			if (err)
 				goto exit_f;
-- 
GitLab


From 9dfbbaa6b0b9f7c4d6c9dc3a59006f44e6521138 Mon Sep 17 00:00:00 2001
From: Ron Mercer <ron.mercer@qlogic.com>
Date: Fri, 30 Oct 2009 12:13:33 +0000
Subject: [PATCH 0802/1815] qlge: Add ethtool self-test.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/qlge/qlge.h         |   6 ++
 drivers/net/qlge/qlge_ethtool.c | 112 ++++++++++++++++++++++++++++++++
 drivers/net/qlge/qlge_main.c    |  20 +++++-
 3 files changed, 137 insertions(+), 1 deletion(-)

diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h
index 73c7fd2badc..872e95ee40e 100644
--- a/drivers/net/qlge/qlge.h
+++ b/drivers/net/qlge/qlge.h
@@ -1581,6 +1581,8 @@ enum {
 	QL_ALLMULTI = 6,
 	QL_PORT_CFG = 7,
 	QL_CAM_RT_SET = 8,
+	QL_SELFTEST = 9,
+	QL_LB_LINK_UP = 10,
 };
 
 /* link_status bit definitions */
@@ -1717,6 +1719,7 @@ struct ql_adapter {
 	struct completion ide_completion;
 	struct nic_operations *nic_ops;
 	u16 device_id;
+	atomic_t lb_count;
 };
 
 /*
@@ -1808,6 +1811,9 @@ int ql_mb_set_port_cfg(struct ql_adapter *qdev);
 int ql_wait_fifo_empty(struct ql_adapter *qdev);
 void ql_gen_reg_dump(struct ql_adapter *qdev,
 			struct ql_reg_dump *mpi_coredump);
+netdev_tx_t ql_lb_send(struct sk_buff *skb, struct net_device *ndev);
+void ql_check_lb_frame(struct ql_adapter *, struct sk_buff *);
+int ql_clean_lb_rx_ring(struct rx_ring *rx_ring, int budget);
 
 #if 1
 #define QL_ALL_DUMP
diff --git a/drivers/net/qlge/qlge_ethtool.c b/drivers/net/qlge/qlge_ethtool.c
index 62c4af05780..058fa0a48c6 100644
--- a/drivers/net/qlge/qlge_ethtool.c
+++ b/drivers/net/qlge/qlge_ethtool.c
@@ -36,6 +36,11 @@
 
 #include "qlge.h"
 
+static const char ql_gstrings_test[][ETH_GSTRING_LEN] = {
+	"Loopback test  (offline)"
+};
+#define QLGE_TEST_LEN (sizeof(ql_gstrings_test) / ETH_GSTRING_LEN)
+
 static int ql_update_ring_coalescing(struct ql_adapter *qdev)
 {
 	int i, status = 0;
@@ -251,6 +256,8 @@ static void ql_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
 static int ql_get_sset_count(struct net_device *dev, int sset)
 {
 	switch (sset) {
+	case ETH_SS_TEST:
+		return QLGE_TEST_LEN;
 	case ETH_SS_STATS:
 		return ARRAY_SIZE(ql_stats_str_arr);
 	default:
@@ -429,6 +436,110 @@ static int ql_phys_id(struct net_device *ndev, u32 data)
 	return 0;
 }
 
+static int ql_start_loopback(struct ql_adapter *qdev)
+{
+	if (netif_carrier_ok(qdev->ndev)) {
+		set_bit(QL_LB_LINK_UP, &qdev->flags);
+		netif_carrier_off(qdev->ndev);
+	} else
+		clear_bit(QL_LB_LINK_UP, &qdev->flags);
+	qdev->link_config |= CFG_LOOPBACK_PCS;
+	return ql_mb_set_port_cfg(qdev);
+}
+
+static void ql_stop_loopback(struct ql_adapter *qdev)
+{
+	qdev->link_config &= ~CFG_LOOPBACK_PCS;
+	ql_mb_set_port_cfg(qdev);
+	if (test_bit(QL_LB_LINK_UP, &qdev->flags)) {
+		netif_carrier_on(qdev->ndev);
+		clear_bit(QL_LB_LINK_UP, &qdev->flags);
+	}
+}
+
+static void ql_create_lb_frame(struct sk_buff *skb,
+					unsigned int frame_size)
+{
+	memset(skb->data, 0xFF, frame_size);
+	frame_size &= ~1;
+	memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
+	memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
+	memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
+}
+
+void ql_check_lb_frame(struct ql_adapter *qdev,
+					struct sk_buff *skb)
+{
+	unsigned int frame_size = skb->len;
+
+	if ((*(skb->data + 3) == 0xFF) &&
+		(*(skb->data + frame_size / 2 + 10) == 0xBE) &&
+		(*(skb->data + frame_size / 2 + 12) == 0xAF)) {
+			atomic_dec(&qdev->lb_count);
+			return;
+	}
+}
+
+static int ql_run_loopback_test(struct ql_adapter *qdev)
+{
+	int i;
+	netdev_tx_t rc;
+	struct sk_buff *skb;
+	unsigned int size = SMALL_BUF_MAP_SIZE;
+
+	for (i = 0; i < 64; i++) {
+		skb = netdev_alloc_skb(qdev->ndev, size);
+		if (!skb)
+			return -ENOMEM;
+
+		skb->queue_mapping = 0;
+		skb_put(skb, size);
+		ql_create_lb_frame(skb, size);
+		rc = ql_lb_send(skb, qdev->ndev);
+		if (rc != NETDEV_TX_OK)
+			return -EPIPE;
+		atomic_inc(&qdev->lb_count);
+	}
+
+	ql_clean_lb_rx_ring(&qdev->rx_ring[0], 128);
+	return atomic_read(&qdev->lb_count) ? -EIO : 0;
+}
+
+static int ql_loopback_test(struct ql_adapter *qdev, u64 *data)
+{
+	*data = ql_start_loopback(qdev);
+	if (*data)
+		goto out;
+	*data = ql_run_loopback_test(qdev);
+out:
+	ql_stop_loopback(qdev);
+	return *data;
+}
+
+static void ql_self_test(struct net_device *ndev,
+				struct ethtool_test *eth_test, u64 *data)
+{
+	struct ql_adapter *qdev = netdev_priv(ndev);
+
+	if (netif_running(ndev)) {
+		set_bit(QL_SELFTEST, &qdev->flags);
+		if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
+			/* Offline tests */
+			if (ql_loopback_test(qdev, &data[0]))
+				eth_test->flags |= ETH_TEST_FL_FAILED;
+
+		} else {
+			/* Online tests */
+			data[0] = 0;
+		}
+		clear_bit(QL_SELFTEST, &qdev->flags);
+	} else {
+		QPRINTK(qdev, DRV, ERR,
+			"%s: is down, Loopback test will fail.\n", ndev->name);
+		eth_test->flags |= ETH_TEST_FL_FAILED;
+	}
+}
+
 static int ql_get_regs_len(struct net_device *ndev)
 {
 	return sizeof(struct ql_reg_dump);
@@ -575,6 +686,7 @@ const struct ethtool_ops qlge_ethtool_ops = {
 	.set_msglevel = ql_set_msglevel,
 	.get_link = ethtool_op_get_link,
 	.phys_id		 = ql_phys_id,
+	.self_test		 = ql_self_test,
 	.get_pauseparam		 = ql_get_pauseparam,
 	.set_pauseparam		 = ql_set_pauseparam,
 	.get_rx_csum = ql_get_rx_csum,
diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 42ad811ec31..4de054505ec 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -1680,6 +1680,13 @@ static void ql_process_mac_rx_intr(struct ql_adapter *qdev,
 		return;
 	}
 
+	/* loopback self test for ethtool */
+	if (test_bit(QL_SELFTEST, &qdev->flags)) {
+		ql_check_lb_frame(qdev, skb);
+		dev_kfree_skb_any(skb);
+		return;
+	}
+
 	prefetch(skb->data);
 	skb->dev = ndev;
 	if (ib_mac_rsp->flags1 & IB_MAC_IOCB_RSP_M_MASK) {
@@ -2248,6 +2255,7 @@ static netdev_tx_t qlge_send(struct sk_buff *skb, struct net_device *ndev)
 	return NETDEV_TX_OK;
 }
 
+
 static void ql_free_shadow_space(struct ql_adapter *qdev)
 {
 	if (qdev->rx_ring_shadow_reg_area) {
@@ -4174,7 +4182,6 @@ err_out:
 	return err;
 }
 
-
 static const struct net_device_ops qlge_netdev_ops = {
 	.ndo_open		= qlge_open,
 	.ndo_stop		= qlge_close,
@@ -4243,10 +4250,21 @@ static int __devinit qlge_probe(struct pci_dev *pdev,
 	}
 	ql_link_off(qdev);
 	ql_display_dev_info(ndev);
+	atomic_set(&qdev->lb_count, 0);
 	cards_found++;
 	return 0;
 }
 
+netdev_tx_t ql_lb_send(struct sk_buff *skb, struct net_device *ndev)
+{
+	return qlge_send(skb, ndev);
+}
+
+int ql_clean_lb_rx_ring(struct rx_ring *rx_ring, int budget)
+{
+	return ql_clean_inbound_rx_ring(rx_ring, budget);
+}
+
 static void __devexit qlge_remove(struct pci_dev *pdev)
 {
 	struct net_device *ndev = pci_get_drvdata(pdev);
-- 
GitLab


From 01e6b953ada927093c4d162f634200a20323c537 Mon Sep 17 00:00:00 2001
From: Ron Mercer <ron.mercer@qlogic.com>
Date: Fri, 30 Oct 2009 12:13:34 +0000
Subject: [PATCH 0803/1815] qlge: Change naming on vlan API.

Change name on vlan_rx_add, kill, register to match other driver API.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/qlge/qlge_main.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 4de054505ec..fa53009bda2 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -1985,7 +1985,7 @@ static int ql_napi_poll_msix(struct napi_struct *napi, int budget)
 	return work_done;
 }
 
-static void ql_vlan_rx_register(struct net_device *ndev, struct vlan_group *grp)
+static void qlge_vlan_rx_register(struct net_device *ndev, struct vlan_group *grp)
 {
 	struct ql_adapter *qdev = netdev_priv(ndev);
 
@@ -2001,7 +2001,7 @@ static void ql_vlan_rx_register(struct net_device *ndev, struct vlan_group *grp)
 	}
 }
 
-static void ql_vlan_rx_add_vid(struct net_device *ndev, u16 vid)
+static void qlge_vlan_rx_add_vid(struct net_device *ndev, u16 vid)
 {
 	struct ql_adapter *qdev = netdev_priv(ndev);
 	u32 enable_bit = MAC_ADDR_E;
@@ -2017,7 +2017,7 @@ static void ql_vlan_rx_add_vid(struct net_device *ndev, u16 vid)
 	ql_sem_unlock(qdev, SEM_MAC_ADDR_MASK);
 }
 
-static void ql_vlan_rx_kill_vid(struct net_device *ndev, u16 vid)
+static void qlge_vlan_rx_kill_vid(struct net_device *ndev, u16 vid)
 {
 	struct ql_adapter *qdev = netdev_priv(ndev);
 	u32 enable_bit = 0;
@@ -4192,9 +4192,9 @@ static const struct net_device_ops qlge_netdev_ops = {
 	.ndo_set_mac_address	= qlge_set_mac_address,
 	.ndo_validate_addr	= eth_validate_addr,
 	.ndo_tx_timeout		= qlge_tx_timeout,
-	.ndo_vlan_rx_register	= ql_vlan_rx_register,
-	.ndo_vlan_rx_add_vid	= ql_vlan_rx_add_vid,
-	.ndo_vlan_rx_kill_vid	= ql_vlan_rx_kill_vid,
+	.ndo_vlan_rx_register	= qlge_vlan_rx_register,
+	.ndo_vlan_rx_add_vid	= qlge_vlan_rx_add_vid,
+	.ndo_vlan_rx_kill_vid	= qlge_vlan_rx_kill_vid,
 };
 
 static int __devinit qlge_probe(struct pci_dev *pdev,
-- 
GitLab


From 86c34fe89e9cad9e1ba4d1a8bbf98259035f4caf Mon Sep 17 00:00:00 2001
From: Andrey Yurovsky <andrey@cozybit.com>
Date: Tue, 27 Oct 2009 16:51:40 -0700
Subject: [PATCH 0804/1815] libertas: remove internal buffers from GSPI driver

This patch removes the internal command and data buffers that the GSPI driver
maintained and instead relies on the Libertas core to synchronize access
to the command and data ports as with the other interface drivers.  This
cleanup reduces the GSPI driver's memory footprint and should improve
performance by removing the need to copy to these internal buffers.
This also simplifies the bottom half of the interrupt handler.

This is an incremental cleanup: after removing the redundant buffers, we
can further improve the driver to use a threaded IRQ handler instead of
maintaining its own thread.  However I would like a few folks to test
the buffer removal first and make sure that I'm not introducing
regressions.

Tested on Blackfin BF527 with DMA disabled due to an issue with the SPI
host controller driver in the current bleeding-edge Blackfin kernel.  I
would appreciate it if someone with working DMA could test this patch
and provide feedback.

Signed-off-by: Andrey Yurovsky <andrey@cozybit.com>
Tested-by: George Shore <george.shore@imgtec.com>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/if_spi.c | 136 ++-----------------------
 1 file changed, 6 insertions(+), 130 deletions(-)

diff --git a/drivers/net/wireless/libertas/if_spi.c b/drivers/net/wireless/libertas/if_spi.c
index 30d9d0ea28e..d6a48dd3652 100644
--- a/drivers/net/wireless/libertas/if_spi.c
+++ b/drivers/net/wireless/libertas/if_spi.c
@@ -32,12 +32,6 @@
 #include "dev.h"
 #include "if_spi.h"
 
-struct if_spi_packet {
-	struct list_head		list;
-	u16				blen;
-	u8				buffer[0] __attribute__((aligned(4)));
-};
-
 struct if_spi_card {
 	struct spi_device		*spi;
 	struct lbs_private		*priv;
@@ -66,33 +60,10 @@ struct if_spi_card {
 	struct semaphore		spi_thread_terminated;
 
 	u8				cmd_buffer[IF_SPI_CMD_BUF_SIZE];
-
-	/* A buffer of incoming packets from libertas core.
-	 * Since we can't sleep in hw_host_to_card, we have to buffer
-	 * them. */
-	struct list_head		cmd_packet_list;
-	struct list_head		data_packet_list;
-
-	/* Protects cmd_packet_list and data_packet_list */
-	spinlock_t			buffer_lock;
 };
 
 static void free_if_spi_card(struct if_spi_card *card)
 {
-	struct list_head *cursor, *next;
-	struct if_spi_packet *packet;
-
-	BUG_ON(card->run_thread);
-	list_for_each_safe(cursor, next, &card->cmd_packet_list) {
-		packet = container_of(cursor, struct if_spi_packet, list);
-		list_del(&packet->list);
-		kfree(packet);
-	}
-	list_for_each_safe(cursor, next, &card->data_packet_list) {
-		packet = container_of(cursor, struct if_spi_packet, list);
-		list_del(&packet->list);
-		kfree(packet);
-	}
 	spi_set_drvdata(card->spi, NULL);
 	kfree(card);
 }
@@ -774,40 +745,6 @@ out:
 	return err;
 }
 
-/* Move data or a command from the host to the card. */
-static void if_spi_h2c(struct if_spi_card *card,
-			struct if_spi_packet *packet, int type)
-{
-	int err = 0;
-	u16 int_type, port_reg;
-
-	switch (type) {
-	case MVMS_DAT:
-		int_type = IF_SPI_CIC_TX_DOWNLOAD_OVER;
-		port_reg = IF_SPI_DATA_RDWRPORT_REG;
-		break;
-	case MVMS_CMD:
-		int_type = IF_SPI_CIC_CMD_DOWNLOAD_OVER;
-		port_reg = IF_SPI_CMD_RDWRPORT_REG;
-		break;
-	default:
-		lbs_pr_err("can't transfer buffer of type %d\n", type);
-		err = -EINVAL;
-		goto out;
-	}
-
-	/* Write the data to the card */
-	err = spu_write(card, port_reg, packet->buffer, packet->blen);
-	if (err)
-		goto out;
-
-out:
-	kfree(packet);
-
-	if (err)
-		lbs_pr_err("%s: error %d\n", __func__, err);
-}
-
 /* Inform the host about a card event */
 static void if_spi_e2h(struct if_spi_card *card)
 {
@@ -837,8 +774,6 @@ static int lbs_spi_thread(void *data)
 	int err;
 	struct if_spi_card *card = data;
 	u16 hiStatus;
-	unsigned long flags;
-	struct if_spi_packet *packet;
 
 	while (1) {
 		/* Wait to be woken up by one of two things.  First, our ISR
@@ -877,43 +812,9 @@ static int lbs_spi_thread(void *data)
 		if (hiStatus & IF_SPI_HIST_CMD_DOWNLOAD_RDY ||
 		   (card->priv->psstate != PS_STATE_FULL_POWER &&
 		    (hiStatus & IF_SPI_HIST_TX_DOWNLOAD_RDY))) {
-			/* This means two things. First of all,
-			 * if there was a previous command sent, the card has
-			 * successfully received it.
-			 * Secondly, it is now ready to download another
-			 * command.
-			 */
 			lbs_host_to_card_done(card->priv);
-
-			/* Do we have any command packets from the host to
-			 * send? */
-			packet = NULL;
-			spin_lock_irqsave(&card->buffer_lock, flags);
-			if (!list_empty(&card->cmd_packet_list)) {
-				packet = (struct if_spi_packet *)(card->
-						cmd_packet_list.next);
-				list_del(&packet->list);
-			}
-			spin_unlock_irqrestore(&card->buffer_lock, flags);
-
-			if (packet)
-				if_spi_h2c(card, packet, MVMS_CMD);
 		}
-		if (hiStatus & IF_SPI_HIST_TX_DOWNLOAD_RDY) {
-			/* Do we have any data packets from the host to
-			 * send? */
-			packet = NULL;
-			spin_lock_irqsave(&card->buffer_lock, flags);
-			if (!list_empty(&card->data_packet_list)) {
-				packet = (struct if_spi_packet *)(card->
-						data_packet_list.next);
-				list_del(&packet->list);
-			}
-			spin_unlock_irqrestore(&card->buffer_lock, flags);
 
-			if (packet)
-				if_spi_h2c(card, packet, MVMS_DAT);
-		}
 		if (hiStatus & IF_SPI_HIST_CARD_EVENT)
 			if_spi_e2h(card);
 
@@ -942,40 +843,18 @@ static int if_spi_host_to_card(struct lbs_private *priv,
 				u8 type, u8 *buf, u16 nb)
 {
 	int err = 0;
-	unsigned long flags;
 	struct if_spi_card *card = priv->card;
-	struct if_spi_packet *packet;
-	u16 blen;
 
 	lbs_deb_enter_args(LBS_DEB_SPI, "type %d, bytes %d", type, nb);
 
-	if (nb == 0) {
-		lbs_pr_err("%s: invalid size requested: %d\n", __func__, nb);
-		err = -EINVAL;
-		goto out;
-	}
-	blen = ALIGN(nb, 4);
-	packet = kzalloc(sizeof(struct if_spi_packet) + blen, GFP_ATOMIC);
-	if (!packet) {
-		err = -ENOMEM;
-		goto out;
-	}
-	packet->blen = blen;
-	memcpy(packet->buffer, buf, nb);
-	memset(packet->buffer + nb, 0, blen - nb);
+	nb = ALIGN(nb, 4);
 
 	switch (type) {
 	case MVMS_CMD:
-		priv->dnld_sent = DNLD_CMD_SENT;
-		spin_lock_irqsave(&card->buffer_lock, flags);
-		list_add_tail(&packet->list, &card->cmd_packet_list);
-		spin_unlock_irqrestore(&card->buffer_lock, flags);
+		err = spu_write(card, IF_SPI_CMD_RDWRPORT_REG, buf, nb);
 		break;
 	case MVMS_DAT:
-		priv->dnld_sent = DNLD_DATA_SENT;
-		spin_lock_irqsave(&card->buffer_lock, flags);
-		list_add_tail(&packet->list, &card->data_packet_list);
-		spin_unlock_irqrestore(&card->buffer_lock, flags);
+		err = spu_write(card, IF_SPI_DATA_RDWRPORT_REG, buf, nb);
 		break;
 	default:
 		lbs_pr_err("can't transfer buffer of type %d", type);
@@ -983,9 +862,6 @@ static int if_spi_host_to_card(struct lbs_private *priv,
 		break;
 	}
 
-	/* Wake up the spi thread */
-	up(&card->spi_ready);
-out:
 	lbs_deb_leave_args(LBS_DEB_SPI, "err=%d", err);
 	return err;
 }
@@ -1062,9 +938,6 @@ static int __devinit if_spi_probe(struct spi_device *spi)
 
 	sema_init(&card->spi_ready, 0);
 	sema_init(&card->spi_thread_terminated, 0);
-	INIT_LIST_HEAD(&card->cmd_packet_list);
-	INIT_LIST_HEAD(&card->data_packet_list);
-	spin_lock_init(&card->buffer_lock);
 
 	/* Initialize the SPI Interface Unit */
 	err = spu_init(card, pdata->use_dummy_writes);
@@ -1141,6 +1014,9 @@ static int __devinit if_spi_probe(struct spi_device *spi)
 		goto terminate_thread;
 	}
 
+	/* poke the IRQ handler so that we don't miss the first interrupt */
+	up(&card->spi_ready);
+
 	/* Start the card.
 	 * This will call register_netdev, and we'll start
 	 * getting interrupts... */
-- 
GitLab


From 9aa4aee30f4d155fc91abbaecfef9b3bb759699e Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Thu, 29 Oct 2009 08:43:48 +0100
Subject: [PATCH 0805/1815] mac80211: make CALL_TXH a statement

The multi-line code in this macro wasn't wrapped
in do {} while (0) so we cannot use it in an if()
branch safely in the future -- fix that.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/tx.c | 34 ++++++++++++++++++----------------
 1 file changed, 18 insertions(+), 16 deletions(-)

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 844609c2326..c7dc8ccff5b 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1200,23 +1200,25 @@ static int invoke_tx_handlers(struct ieee80211_tx_data *tx)
 	struct sk_buff *skb = tx->skb;
 	ieee80211_tx_result res = TX_DROP;
 
-#define CALL_TXH(txh)		\
-	res = txh(tx);		\
-	if (res != TX_CONTINUE)	\
-		goto txh_done;
-
-	CALL_TXH(ieee80211_tx_h_check_assoc)
-	CALL_TXH(ieee80211_tx_h_ps_buf)
-	CALL_TXH(ieee80211_tx_h_select_key)
-	CALL_TXH(ieee80211_tx_h_michael_mic_add)
-	CALL_TXH(ieee80211_tx_h_rate_ctrl)
-	CALL_TXH(ieee80211_tx_h_misc)
-	CALL_TXH(ieee80211_tx_h_sequence)
-	CALL_TXH(ieee80211_tx_h_fragment)
+#define CALL_TXH(txh) \
+	do {				\
+		res = txh(tx);		\
+		if (res != TX_CONTINUE)	\
+			goto txh_done;	\
+	} while (0)
+
+	CALL_TXH(ieee80211_tx_h_check_assoc);
+	CALL_TXH(ieee80211_tx_h_ps_buf);
+	CALL_TXH(ieee80211_tx_h_select_key);
+	CALL_TXH(ieee80211_tx_h_michael_mic_add);
+	CALL_TXH(ieee80211_tx_h_rate_ctrl);
+	CALL_TXH(ieee80211_tx_h_misc);
+	CALL_TXH(ieee80211_tx_h_sequence);
+	CALL_TXH(ieee80211_tx_h_fragment);
 	/* handlers after fragment must be aware of tx info fragmentation! */
-	CALL_TXH(ieee80211_tx_h_stats)
-	CALL_TXH(ieee80211_tx_h_encrypt)
-	CALL_TXH(ieee80211_tx_h_calculate_duration)
+	CALL_TXH(ieee80211_tx_h_stats);
+	CALL_TXH(ieee80211_tx_h_encrypt);
+	CALL_TXH(ieee80211_tx_h_calculate_duration);
 #undef CALL_TXH
 
  txh_done:
-- 
GitLab


From 5ebeb5a676c864acf59caa166b3cc0a13b7cff93 Mon Sep 17 00:00:00 2001
From: Reinette Chatre <reinette.chatre@intel.com>
Date: Fri, 30 Oct 2009 14:36:04 -0700
Subject: [PATCH 0806/1815] iwlwifi: provide firmware version

By setting the firmware version in wiphy it is possible to obtain this
information via ethtool. Some examples,

	    # ethtool -i wlan1
	    driver: iwlagn
	    version: 2.6.32-rc5-wl-56840-g26d8540
	    firmware-version: 228.57.2.23
	    bus-info: 0000:03:00.0
	    # ethtool -i wlan0
	    driver: iwl3945
	    version: 2.6.32-rc5-wl-56840-g26d8540
	    firmware-version: 15.28.2.8
	    bus-info: 0000:02:00.0

Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn.c      | 8 ++++++++
 drivers/net/wireless/iwlwifi/iwl3945-base.c | 8 ++++++++
 2 files changed, 16 insertions(+)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index fa1672e99e4..05d1070e22d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1377,6 +1377,14 @@ static int iwl_read_ucode(struct iwl_priv *priv)
 	       IWL_UCODE_API(priv->ucode_ver),
 	       IWL_UCODE_SERIAL(priv->ucode_ver));
 
+	snprintf(priv->hw->wiphy->fw_version,
+		 sizeof(priv->hw->wiphy->fw_version),
+		 "%u.%u.%u.%u",
+		 IWL_UCODE_MAJOR(priv->ucode_ver),
+		 IWL_UCODE_MINOR(priv->ucode_ver),
+		 IWL_UCODE_API(priv->ucode_ver),
+		 IWL_UCODE_SERIAL(priv->ucode_ver));
+
 	if (build)
 		IWL_DEBUG_INFO(priv, "Build %u\n", build);
 
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index bfd7f497157..5c80a83eb2e 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -2160,6 +2160,14 @@ static int iwl3945_read_ucode(struct iwl_priv *priv)
 		IWL_UCODE_API(priv->ucode_ver),
 		IWL_UCODE_SERIAL(priv->ucode_ver));
 
+	snprintf(priv->hw->wiphy->fw_version,
+		 sizeof(priv->hw->wiphy->fw_version),
+		 "%u.%u.%u.%u",
+		 IWL_UCODE_MAJOR(priv->ucode_ver),
+		 IWL_UCODE_MINOR(priv->ucode_ver),
+		 IWL_UCODE_API(priv->ucode_ver),
+		 IWL_UCODE_SERIAL(priv->ucode_ver));
+
 	IWL_DEBUG_INFO(priv, "f/w package hdr ucode version raw = 0x%x\n",
 		       priv->ucode_ver);
 	IWL_DEBUG_INFO(priv, "f/w package hdr runtime inst size = %u\n",
-- 
GitLab


From 5220af0c3b44f5d6e32661e5bb49154c514dbf4f Mon Sep 17 00:00:00 2001
From: Ben Cahill <ben.m.cahill@intel.com>
Date: Fri, 30 Oct 2009 14:36:05 -0700
Subject: [PATCH 0807/1815] iwlwifi: remove unneeded locks from apm_stop() and
 stop_master()

Since priv->reg_lock was added to keep multi-access register manipulation
atomic, priv->lock protection is no longer needed.  Remove this from
iwl_apm_stop_master() and iwl_apm_stop().

Add warning of timeout when polling for busmaster disablement confirmation,
and some comments.

NOTE:  This is needed to enable use of apm_ops.stop() within iwl_eeprom_init();
priv->lock does not get initialized until after this flow.  See patch
"remove power-wasting calls to apm_ops.init()"

Signed-off-by: Ben Cahill <ben.m.cahill@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-core.c | 26 ++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index d2b56baf98f..4808f666116 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1353,39 +1353,39 @@ EXPORT_SYMBOL(iwl_irq_handle_error);
 
 int iwl_apm_stop_master(struct iwl_priv *priv)
 {
-	unsigned long flags;
-
-	spin_lock_irqsave(&priv->lock, flags);
+	int ret = 0;
 
-	/* set stop master bit */
+	/* stop device's busmaster DMA activity */
 	iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_STOP_MASTER);
 
-	iwl_poll_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_MASTER_DISABLED,
+	ret = iwl_poll_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_MASTER_DISABLED,
 			CSR_RESET_REG_FLAG_MASTER_DISABLED, 100);
+	if (ret)
+		IWL_WARN(priv, "Master Disable Timed Out, 100 usec\n");
 
-	spin_unlock_irqrestore(&priv->lock, flags);
 	IWL_DEBUG_INFO(priv, "stop master\n");
 
-	return 0;
+	return ret;
 }
 EXPORT_SYMBOL(iwl_apm_stop_master);
 
 void iwl_apm_stop(struct iwl_priv *priv)
 {
-	unsigned long flags;
-
 	IWL_DEBUG_INFO(priv, "Stop card, put in low power state\n");
 
+	/* Stop device's DMA activity */
 	iwl_apm_stop_master(priv);
 
-	spin_lock_irqsave(&priv->lock, flags);
-
+	/* Reset the entire device */
 	iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);
 
 	udelay(10);
-	/* clear "init complete"  move adapter D0A* --> D0U state */
+
+	/*
+	 * Clear "initialization complete" bit to move adapter from
+	 * D0A* (powered-up Active) --> D0U* (Uninitialized) state.
+	 */
 	iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
-	spin_unlock_irqrestore(&priv->lock, flags);
 }
 EXPORT_SYMBOL(iwl_apm_stop);
 
-- 
GitLab


From 88521364cc04b67f36748983545b9fe1d4ba4a15 Mon Sep 17 00:00:00 2001
From: Ben Cahill <ben.m.cahill@intel.com>
Date: Fri, 30 Oct 2009 14:36:06 -0700
Subject: [PATCH 0808/1815] iwlwifi: remove power-wasting calls to
 apm_ops.init()

To save power, don't run apm_ops.init() until needed at "up" time.

EEPROM (5000 and earlier devices) may be read without running apm_ops.init(),
but OTP reads (6000 and newer devices) require a powered-up chip.
Therefore, remove apm_ops.init() from the general path in XXXX_pci_probe(),
and call it only if device uses OTP.  Once done with OTP read, call
apm_ops.stop() to reset chip and save power until "up" time comes around.

NOTE:  This patch depends on removal of priv->lock from iwl_apm_stop();
lock does not get initialized until later in flow.  See patch
"remove unneeded locks from apm_stop()".

Signed-off-by: Ben Cahill <ben.m.cahill@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn.c      |  6 ------
 drivers/net/wireless/iwlwifi/iwl-eeprom.c   | 11 +++++++++++
 drivers/net/wireless/iwlwifi/iwl3945-base.c |  7 -------
 3 files changed, 11 insertions(+), 13 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 05d1070e22d..6daaad1e4bc 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -3113,12 +3113,6 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		goto out_iounmap;
 	}
 
-	/* amp init */
-	err = priv->cfg->ops->lib->apm_ops.init(priv);
-	if (err < 0) {
-		IWL_ERR(priv, "Failed to init APMG\n");
-		goto out_iounmap;
-	}
 	/*****************
 	 * 4. Read EEPROM
 	 *****************/
diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
index 9429cb1c69b..8a0709e81a9 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.c
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
@@ -533,6 +533,10 @@ int iwl_eeprom_init(struct iwl_priv *priv)
 		goto err;
 	}
 	if (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP) {
+
+		/* OTP reads require powered-up chip */
+		priv->cfg->ops->lib->apm_ops.init(priv);
+
 		ret = iwl_init_otp_access(priv);
 		if (ret) {
 			IWL_ERR(priv, "Failed to initialize OTP access.\n");
@@ -563,6 +567,13 @@ int iwl_eeprom_init(struct iwl_priv *priv)
 			e[cache_addr / 2] = eeprom_data;
 			cache_addr += sizeof(u16);
 		}
+
+		/*
+		 * Now that OTP reads are complete, reset chip to save
+		 *   power until we load uCode during "up".
+		 */
+		priv->cfg->ops->lib->apm_ops.stop(priv);
+
 	} else {
 		/* eeprom is an array of 16bit values */
 		for (addr = 0; addr < sz; addr += sizeof(u16)) {
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 5c80a83eb2e..23b31e6dcac 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -4000,13 +4000,6 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e
 	 */
 	spin_lock_init(&priv->reg_lock);
 
-	/* amp init */
-	err = priv->cfg->ops->lib->apm_ops.init(priv);
-	if (err < 0) {
-		IWL_DEBUG_INFO(priv, "Failed to init the card\n");
-		goto out_iounmap;
-	}
-
 	/***********************
 	 * 4. Read EEPROM
 	 * ********************/
-- 
GitLab


From a6c5c731c3f783f60ed79dcf41efa8b5b3af2f22 Mon Sep 17 00:00:00 2001
From: Ben Cahill <ben.m.cahill@intel.com>
Date: Fri, 30 Oct 2009 14:36:07 -0700
Subject: [PATCH 0809/1815] iwlagn: invoke L0S workaround for 6000/1000 series

Invoke workaround to avoid instability in L0->L0S->L1 transition on PCIe bus.
Workaround disables L0S state so device moves directly from L0->L1.
Workaround needed on all devices since and including 4965; add to 6000/1000.

Describe bug and workaround better in comments.

Signed-off-by: Ben Cahill <ben.m.cahill@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-1000.c |  4 ++--
 drivers/net/wireless/iwlwifi/iwl-6000.c | 20 ++++++++++----------
 drivers/net/wireless/iwlwifi/iwl-core.c |  8 ++++++--
 3 files changed, 18 insertions(+), 14 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c
index 3a645e485dd..1e387b9dce1 100644
--- a/drivers/net/wireless/iwlwifi/iwl-1000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-1000.c
@@ -164,7 +164,7 @@ struct iwl_cfg iwl1000_bgn_cfg = {
 	.valid_tx_ant = ANT_A,
 	.valid_rx_ant = ANT_AB,
 	.pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
-	.set_l0s = false,
+	.set_l0s = true,
 	.use_bsm = false,
 	.max_ll_items = OTP_MAX_LL_ITEMS_1000,
 	.shadow_ram_support = false,
@@ -190,7 +190,7 @@ struct iwl_cfg iwl1000_bg_cfg = {
 	.valid_tx_ant = ANT_A,
 	.valid_rx_ant = ANT_AB,
 	.pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
-	.set_l0s = false,
+	.set_l0s = true,
 	.use_bsm = false,
 	.max_ll_items = OTP_MAX_LL_ITEMS_1000,
 	.shadow_ram_support = false,
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index 32466d38d1a..2f841a8576e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -299,7 +299,7 @@ struct iwl_cfg iwl6000h_2agn_cfg = {
 	.valid_tx_ant = ANT_AB,
 	.valid_rx_ant = ANT_AB,
 	.pll_cfg_val = 0,
-	.set_l0s = false,
+	.set_l0s = true,
 	.use_bsm = false,
 	.pa_type = IWL_PA_HYBRID,
 	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
@@ -329,7 +329,7 @@ struct iwl_cfg iwl6000h_2abg_cfg = {
 	.valid_tx_ant = ANT_AB,
 	.valid_rx_ant = ANT_AB,
 	.pll_cfg_val = 0,
-	.set_l0s = false,
+	.set_l0s = true,
 	.use_bsm = false,
 	.pa_type = IWL_PA_HYBRID,
 	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
@@ -358,7 +358,7 @@ struct iwl_cfg iwl6000h_2bg_cfg = {
 	.valid_tx_ant = ANT_AB,
 	.valid_rx_ant = ANT_AB,
 	.pll_cfg_val = 0,
-	.set_l0s = false,
+	.set_l0s = true,
 	.use_bsm = false,
 	.pa_type = IWL_PA_HYBRID,
 	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
@@ -390,7 +390,7 @@ struct iwl_cfg iwl6000i_2agn_cfg = {
 	.valid_tx_ant = ANT_BC,
 	.valid_rx_ant = ANT_BC,
 	.pll_cfg_val = 0,
-	.set_l0s = false,
+	.set_l0s = true,
 	.use_bsm = false,
 	.pa_type = IWL_PA_INTERNAL,
 	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
@@ -420,7 +420,7 @@ struct iwl_cfg iwl6000i_2abg_cfg = {
 	.valid_tx_ant = ANT_BC,
 	.valid_rx_ant = ANT_BC,
 	.pll_cfg_val = 0,
-	.set_l0s = false,
+	.set_l0s = true,
 	.use_bsm = false,
 	.pa_type = IWL_PA_INTERNAL,
 	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
@@ -449,7 +449,7 @@ struct iwl_cfg iwl6000i_2bg_cfg = {
 	.valid_tx_ant = ANT_BC,
 	.valid_rx_ant = ANT_BC,
 	.pll_cfg_val = 0,
-	.set_l0s = false,
+	.set_l0s = true,
 	.use_bsm = false,
 	.pa_type = IWL_PA_INTERNAL,
 	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
@@ -478,7 +478,7 @@ struct iwl_cfg iwl6050_2agn_cfg = {
 	.valid_tx_ant = ANT_AB,
 	.valid_rx_ant = ANT_AB,
 	.pll_cfg_val = 0,
-	.set_l0s = false,
+	.set_l0s = true,
 	.use_bsm = false,
 	.pa_type = IWL_PA_SYSTEM,
 	.max_ll_items = OTP_MAX_LL_ITEMS_6x50,
@@ -508,7 +508,7 @@ struct iwl_cfg iwl6050_2abg_cfg = {
 	.valid_tx_ant = ANT_AB,
 	.valid_rx_ant = ANT_AB,
 	.pll_cfg_val = 0,
-	.set_l0s = false,
+	.set_l0s = true,
 	.use_bsm = false,
 	.pa_type = IWL_PA_SYSTEM,
 	.max_ll_items = OTP_MAX_LL_ITEMS_6x50,
@@ -537,7 +537,7 @@ struct iwl_cfg iwl6000_3agn_cfg = {
 	.valid_tx_ant = ANT_ABC,
 	.valid_rx_ant = ANT_ABC,
 	.pll_cfg_val = 0,
-	.set_l0s = false,
+	.set_l0s = true,
 	.use_bsm = false,
 	.pa_type = IWL_PA_SYSTEM,
 	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
@@ -567,7 +567,7 @@ struct iwl_cfg iwl6050_3agn_cfg = {
 	.valid_tx_ant = ANT_ABC,
 	.valid_rx_ant = ANT_ABC,
 	.pll_cfg_val = 0,
-	.set_l0s = false,
+	.set_l0s = true,
 	.use_bsm = false,
 	.pa_type = IWL_PA_SYSTEM,
 	.max_ll_items = OTP_MAX_LL_ITEMS_6x50,
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 4808f666116..addc9ad5a5c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1430,8 +1430,12 @@ int iwl_apm_init(struct iwl_priv *priv)
 				    CSR_HW_IF_CONFIG_REG_BIT_HAP_WAKE_L1A);
 
 	/*
-	 * HW bug W/A - costs negligible power consumption ...
-	 * Check if BIOS (or OS) enabled L1-ASPM on this device
+	 * HW bug W/A for instability in PCIe bus L0->L0S->L1 transition.
+	 * Check if BIOS (or OS) enabled L1-ASPM on this device.
+	 * If so (likely), disable L0S, so device moves directly L0->L1;
+	 *    costs negligible amount of power savings.
+	 * If not (unlikely), enable L0S, so there is at least some
+	 *    power savings, even without L1.
 	 */
 	if (priv->cfg->set_l0s) {
 		lctl = iwl_pcie_link_ctl(priv);
-- 
GitLab


From c72cd19fab7983e97a1a41b7158e0b9f87a7fe96 Mon Sep 17 00:00:00 2001
From: Ben Cahill <ben.m.cahill@intel.com>
Date: Fri, 30 Oct 2009 14:36:08 -0700
Subject: [PATCH 0810/1815] iwlagn: Clarify FH_TX interrupt

Add/clarify comments and debug messages for interrupt used only for uCode load

Signed-off-by: Ben Cahill <ben.m.cahill@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 6daaad1e4bc..7751a75d4dc 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1033,11 +1033,12 @@ static void iwl_irq_tasklet_legacy(struct iwl_priv *priv)
 		handled |= (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX);
 	}
 
+	/* This "Tx" DMA channel is used only for loading uCode */
 	if (inta & CSR_INT_BIT_FH_TX) {
-		IWL_DEBUG_ISR(priv, "Tx interrupt\n");
+		IWL_DEBUG_ISR(priv, "uCode load interrupt\n");
 		priv->isr_stats.tx++;
 		handled |= CSR_INT_BIT_FH_TX;
-		/* FH finished to write, send event */
+		/* Wake up uCode load routine, now that load is complete */
 		priv->ucode_write_complete = 1;
 		wake_up_interruptible(&priv->wait_command_queue);
 	}
@@ -1234,12 +1235,13 @@ static void iwl_irq_tasklet(struct iwl_priv *priv)
 		iwl_leds_background(priv);
 	}
 
+	/* This "Tx" DMA channel is used only for loading uCode */
 	if (inta & CSR_INT_BIT_FH_TX) {
 		iwl_write32(priv, CSR_FH_INT_STATUS, CSR49_FH_INT_TX_MASK);
-		IWL_DEBUG_ISR(priv, "Tx interrupt\n");
+		IWL_DEBUG_ISR(priv, "uCode load interrupt\n");
 		priv->isr_stats.tx++;
 		handled |= CSR_INT_BIT_FH_TX;
-		/* FH finished to write, send event */
+		/* Wake up uCode load routine, now that load is complete */
 		priv->ucode_write_complete = 1;
 		wake_up_interruptible(&priv->wait_command_queue);
 	}
-- 
GitLab


From c2e61da29d92df864dc5eec81d774199b02d7023 Mon Sep 17 00:00:00 2001
From: Ben Cahill <ben.m.cahill@intel.com>
Date: Fri, 30 Oct 2009 14:36:09 -0700
Subject: [PATCH 0811/1815] iwlagn: update write pointers for all tx queues
 after wakeup

Wakeup interrupt has been updating write pointers (indexes, actually) only
for tx queues 0-5.  This is adequate just for 3945, but inadequate for other
devices, all of which have more tx queues.  Now updating all tx/command queues,
so device can be aware of all new tx and host commands enqueued while
device was asleep.

This can potentially improve data traffic bandwidth and/or latency.

Signed-off-by: Ben Cahill <ben.m.cahill@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn.c | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 7751a75d4dc..0cb95bfd15a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -890,6 +890,7 @@ static void iwl_irq_tasklet_legacy(struct iwl_priv *priv)
 	u32 inta, handled = 0;
 	u32 inta_fh;
 	unsigned long flags;
+	u32 i;
 #ifdef CONFIG_IWLWIFI_DEBUG
 	u32 inta_mask;
 #endif
@@ -1007,19 +1008,17 @@ static void iwl_irq_tasklet_legacy(struct iwl_priv *priv)
 		handled |= CSR_INT_BIT_SW_ERR;
 	}
 
-	/* uCode wakes up after power-down sleep */
+	/*
+	 * uCode wakes up after power-down sleep.
+	 * Tell device about any new tx or host commands enqueued,
+	 * and about any Rx buffers made available while asleep.
+	 */
 	if (inta & CSR_INT_BIT_WAKEUP) {
 		IWL_DEBUG_ISR(priv, "Wakeup interrupt\n");
 		iwl_rx_queue_update_write_ptr(priv, &priv->rxq);
-		iwl_txq_update_write_ptr(priv, &priv->txq[0]);
-		iwl_txq_update_write_ptr(priv, &priv->txq[1]);
-		iwl_txq_update_write_ptr(priv, &priv->txq[2]);
-		iwl_txq_update_write_ptr(priv, &priv->txq[3]);
-		iwl_txq_update_write_ptr(priv, &priv->txq[4]);
-		iwl_txq_update_write_ptr(priv, &priv->txq[5]);
-
+		for (i = 0; i < priv->hw_params.max_txq_num; i++)
+			iwl_txq_update_write_ptr(priv, &priv->txq[i]);
 		priv->isr_stats.wakeup++;
-
 		handled |= CSR_INT_BIT_WAKEUP;
 	}
 
-- 
GitLab


From c33de6256a07869b48830e3a26fb6942ea8c4f79 Mon Sep 17 00:00:00 2001
From: Reinette Chatre <reinette.chatre@intel.com>
Date: Fri, 30 Oct 2009 14:36:10 -0700
Subject: [PATCH 0812/1815] iwlwifi: unmap memory before use

Handling responses to driver originated commands include passing the
original command buffer to the caller. At this time it is possible for a
callback to be invoked that is passed this command buffer and thus likely
to access it.

We need to make sure that the memory associated with that buffer is not DMA
mapped at the time.

Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-tx.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index 8ae4c9b614e..b46967ff380 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -1121,11 +1121,6 @@ static void iwl_hcmd_queue_reclaim(struct iwl_priv *priv, int txq_id,
 		return;
 	}
 
-	pci_unmap_single(priv->pci_dev,
-		pci_unmap_addr(&txq->meta[cmd_idx], mapping),
-		pci_unmap_len(&txq->meta[cmd_idx], len),
-		PCI_DMA_BIDIRECTIONAL);
-
 	for (idx = iwl_queue_inc_wrap(idx, q->n_bd); q->read_ptr != idx;
 	     q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd)) {
 
@@ -1173,6 +1168,11 @@ void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
 	cmd = priv->txq[IWL_CMD_QUEUE_NUM].cmd[cmd_index];
 	meta = &priv->txq[IWL_CMD_QUEUE_NUM].meta[cmd_index];
 
+	pci_unmap_single(priv->pci_dev,
+			 pci_unmap_addr(meta, mapping),
+			 pci_unmap_len(meta, len),
+			 PCI_DMA_BIDIRECTIONAL);
+
 	/* Input error checking is done when commands are added to queue. */
 	if (meta->flags & CMD_WANT_SKB) {
 		meta->source->reply_page = (unsigned long)rxb_addr(rxb);
-- 
GitLab


From 89f186a8b64a4c90a219cfd94c26de5cfea54b84 Mon Sep 17 00:00:00 2001
From: Reinette Chatre <reinette.chatre@intel.com>
Date: Fri, 30 Oct 2009 14:36:11 -0700
Subject: [PATCH 0813/1815] iwlwifi: move iwl_[un]init_drv to iwlagn

Since iwlagn is the only user of these functions, move it to this module.
This results in a bit more code moving than just these functions since the
functions only used by them are also moved and we need to export the
symbols previously available to them directly.

Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn.c   | 90 +++++++++++++++++++++++
 drivers/net/wireless/iwlwifi/iwl-calib.c |  1 +
 drivers/net/wireless/iwlwifi/iwl-core.c  | 93 ------------------------
 drivers/net/wireless/iwlwifi/iwl-core.h  |  2 -
 drivers/net/wireless/iwlwifi/iwl-scan.c  |  1 +
 5 files changed, 92 insertions(+), 95 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 0cb95bfd15a..2814565fa3b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -2972,6 +2972,96 @@ static void iwl_cancel_deferred_work(struct iwl_priv *priv)
 	del_timer_sync(&priv->statistics_periodic);
 }
 
+static void iwl_init_hw_rates(struct iwl_priv *priv,
+			      struct ieee80211_rate *rates)
+{
+	int i;
+
+	for (i = 0; i < IWL_RATE_COUNT_LEGACY; i++) {
+		rates[i].bitrate = iwl_rates[i].ieee * 5;
+		rates[i].hw_value = i; /* Rate scaling will work on indexes */
+		rates[i].hw_value_short = i;
+		rates[i].flags = 0;
+		if ((i >= IWL_FIRST_CCK_RATE) && (i <= IWL_LAST_CCK_RATE)) {
+			/*
+			 * If CCK != 1M then set short preamble rate flag.
+			 */
+			rates[i].flags |=
+				(iwl_rates[i].plcp == IWL_RATE_1M_PLCP) ?
+					0 : IEEE80211_RATE_SHORT_PREAMBLE;
+		}
+	}
+}
+
+static int iwl_init_drv(struct iwl_priv *priv)
+{
+	int ret;
+
+	priv->ibss_beacon = NULL;
+
+	spin_lock_init(&priv->lock);
+	spin_lock_init(&priv->sta_lock);
+	spin_lock_init(&priv->hcmd_lock);
+
+	INIT_LIST_HEAD(&priv->free_frames);
+
+	mutex_init(&priv->mutex);
+
+	/* Clear the driver's (not device's) station table */
+	iwl_clear_stations_table(priv);
+
+	priv->ieee_channels = NULL;
+	priv->ieee_rates = NULL;
+	priv->band = IEEE80211_BAND_2GHZ;
+
+	priv->iw_mode = NL80211_IFTYPE_STATION;
+
+	/* Choose which receivers/antennas to use */
+	if (priv->cfg->ops->hcmd->set_rxon_chain)
+		priv->cfg->ops->hcmd->set_rxon_chain(priv);
+
+	iwl_init_scan_params(priv);
+
+	iwl_reset_qos(priv);
+
+	priv->qos_data.qos_active = 0;
+	priv->qos_data.qos_cap.val = 0;
+
+	priv->rates_mask = IWL_RATES_MASK;
+	/* Set the tx_power_user_lmt to the lowest power level
+	 * this value will get overwritten by channel max power avg
+	 * from eeprom */
+	priv->tx_power_user_lmt = IWL_TX_POWER_TARGET_POWER_MIN;
+
+	ret = iwl_init_channel_map(priv);
+	if (ret) {
+		IWL_ERR(priv, "initializing regulatory failed: %d\n", ret);
+		goto err;
+	}
+
+	ret = iwlcore_init_geos(priv);
+	if (ret) {
+		IWL_ERR(priv, "initializing geos failed: %d\n", ret);
+		goto err_free_channel_map;
+	}
+	iwl_init_hw_rates(priv, priv->ieee_rates);
+
+	return 0;
+
+err_free_channel_map:
+	iwl_free_channel_map(priv);
+err:
+	return ret;
+}
+
+static void iwl_uninit_drv(struct iwl_priv *priv)
+{
+	iwl_calib_free_results(priv);
+	iwlcore_free_geos(priv);
+	iwl_free_channel_map(priv);
+	kfree(priv->scan);
+}
+
 static struct attribute *iwl_sysfs_entries[] = {
 	&dev_attr_flags.attr,
 	&dev_attr_filter_flags.attr,
diff --git a/drivers/net/wireless/iwlwifi/iwl-calib.c b/drivers/net/wireless/iwlwifi/iwl-calib.c
index 1f801eb9fbf..d994de7438d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-calib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-calib.c
@@ -132,6 +132,7 @@ void iwl_calib_free_results(struct iwl_priv *priv)
 		priv->calib_results[i].buf_len = 0;
 	}
 }
+EXPORT_SYMBOL(iwl_calib_free_results);
 
 /*****************************************************************************
  * RUNTIME calibrations framework
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index addc9ad5a5c..256c9a49fa3 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -451,28 +451,6 @@ static void iwlcore_init_ht_hw_capab(const struct iwl_priv *priv,
 	}
 }
 
-static void iwlcore_init_hw_rates(struct iwl_priv *priv,
-			      struct ieee80211_rate *rates)
-{
-	int i;
-
-	for (i = 0; i < IWL_RATE_COUNT_LEGACY; i++) {
-		rates[i].bitrate = iwl_rates[i].ieee * 5;
-		rates[i].hw_value = i; /* Rate scaling will work on indexes */
-		rates[i].hw_value_short = i;
-		rates[i].flags = 0;
-		if ((i >= IWL_FIRST_CCK_RATE) && (i <= IWL_LAST_CCK_RATE)) {
-			/*
-			 * If CCK != 1M then set short preamble rate flag.
-			 */
-			rates[i].flags |=
-				(iwl_rates[i].plcp == IWL_RATE_1M_PLCP) ?
-					0 : IEEE80211_RATE_SHORT_PREAMBLE;
-		}
-	}
-}
-
-
 /**
  * iwlcore_init_geos - Initialize mac80211's geo/channel info based from eeprom
  */
@@ -1571,68 +1549,6 @@ int iwl_set_hw_params(struct iwl_priv *priv)
 }
 EXPORT_SYMBOL(iwl_set_hw_params);
 
-int iwl_init_drv(struct iwl_priv *priv)
-{
-	int ret;
-
-	priv->ibss_beacon = NULL;
-
-	spin_lock_init(&priv->lock);
-	spin_lock_init(&priv->sta_lock);
-	spin_lock_init(&priv->hcmd_lock);
-
-	INIT_LIST_HEAD(&priv->free_frames);
-
-	mutex_init(&priv->mutex);
-
-	/* Clear the driver's (not device's) station table */
-	iwl_clear_stations_table(priv);
-
-	priv->ieee_channels = NULL;
-	priv->ieee_rates = NULL;
-	priv->band = IEEE80211_BAND_2GHZ;
-
-	priv->iw_mode = NL80211_IFTYPE_STATION;
-
-	/* Choose which receivers/antennas to use */
-	if (priv->cfg->ops->hcmd->set_rxon_chain)
-		priv->cfg->ops->hcmd->set_rxon_chain(priv);
-
-	iwl_init_scan_params(priv);
-
-	iwl_reset_qos(priv);
-
-	priv->qos_data.qos_active = 0;
-	priv->qos_data.qos_cap.val = 0;
-
-	priv->rates_mask = IWL_RATES_MASK;
-	/* Set the tx_power_user_lmt to the lowest power level
-	 * this value will get overwritten by channel max power avg
-	 * from eeprom */
-	priv->tx_power_user_lmt = IWL_TX_POWER_TARGET_POWER_MIN;
-
-	ret = iwl_init_channel_map(priv);
-	if (ret) {
-		IWL_ERR(priv, "initializing regulatory failed: %d\n", ret);
-		goto err;
-	}
-
-	ret = iwlcore_init_geos(priv);
-	if (ret) {
-		IWL_ERR(priv, "initializing geos failed: %d\n", ret);
-		goto err_free_channel_map;
-	}
-	iwlcore_init_hw_rates(priv, priv->ieee_rates);
-
-	return 0;
-
-err_free_channel_map:
-	iwl_free_channel_map(priv);
-err:
-	return ret;
-}
-EXPORT_SYMBOL(iwl_init_drv);
-
 int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force)
 {
 	int ret = 0;
@@ -1680,15 +1596,6 @@ int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force)
 }
 EXPORT_SYMBOL(iwl_set_tx_power);
 
-void iwl_uninit_drv(struct iwl_priv *priv)
-{
-	iwl_calib_free_results(priv);
-	iwlcore_free_geos(priv);
-	iwl_free_channel_map(priv);
-	kfree(priv->scan);
-}
-EXPORT_SYMBOL(iwl_uninit_drv);
-
 #define ICT_COUNT (PAGE_SIZE/sizeof(u32))
 
 /* Free dram table */
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index b875dcfca2d..ddf0998fb75 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -316,8 +316,6 @@ void iwl_configure_filter(struct ieee80211_hw *hw,
 			  unsigned int *total_flags, u64 multicast);
 int iwl_hw_nic_init(struct iwl_priv *priv);
 int iwl_set_hw_params(struct iwl_priv *priv);
-int iwl_init_drv(struct iwl_priv *priv);
-void iwl_uninit_drv(struct iwl_priv *priv);
 bool iwl_is_monitor_mode(struct iwl_priv *priv);
 void iwl_post_associate(struct iwl_priv *priv);
 void iwl_bss_info_changed(struct ieee80211_hw *hw,
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index 4fca65a2fe9..1eb0d0bf1fe 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -401,6 +401,7 @@ void iwl_init_scan_params(struct iwl_priv *priv)
 	if (!priv->scan_tx_ant[IEEE80211_BAND_2GHZ])
 		priv->scan_tx_ant[IEEE80211_BAND_2GHZ] = ant_idx;
 }
+EXPORT_SYMBOL(iwl_init_scan_params);
 
 static int iwl_scan_initiate(struct iwl_priv *priv)
 {
-- 
GitLab


From 9a9ca65fbfa1cd14a6c016b793d61492f9f613d0 Mon Sep 17 00:00:00 2001
From: Reinette Chatre <reinette.chatre@intel.com>
Date: Fri, 30 Oct 2009 14:36:12 -0700
Subject: [PATCH 0814/1815] iwlwifi: split adding broadcast station from others

In preparation for some station management changes we split the addition of
a broadcast station from the other stations. Later we will rely on mac80211
to direct all management (addition/removal) of all stations except the
broadcast station.

Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn.c |  8 +---
 drivers/net/wireless/iwlwifi/iwl-sta.c | 62 ++++++++++++++++++++++++++
 drivers/net/wireless/iwlwifi/iwl-sta.h |  1 +
 3 files changed, 65 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 2814565fa3b..4a13f7e21d6 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -190,11 +190,7 @@ int iwl_commit_rxon(struct iwl_priv *priv)
 	priv->start_calib = 0;
 
 	/* Add the broadcast address so we can send broadcast frames */
-	if (iwl_rxon_add_station(priv, iwl_bcast_addr, 0) ==
-						IWL_INVALID_STATION) {
-		IWL_ERR(priv, "Error adding BROADCAST address for transmit.\n");
-		return -EIO;
-	}
+	iwl_add_bcast_station(priv);
 
 	/* If we have set the ASSOC_MSK and we are in BSS mode then
 	 * add the IWL_AP_ID to the station rate table */
@@ -2524,7 +2520,7 @@ void iwl_config_ap(struct iwl_priv *priv)
 		spin_lock_irqsave(&priv->lock, flags);
 		iwl_activate_qos(priv, 1);
 		spin_unlock_irqrestore(&priv->lock, flags);
-		iwl_rxon_add_station(priv, iwl_bcast_addr, 0);
+		iwl_add_bcast_station(priv);
 	}
 	iwl_send_beacon_cmd(priv);
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c
index dc74c16d36a..ce1ceac19c7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-sta.c
@@ -1029,6 +1029,68 @@ int iwl_rxon_add_station(struct iwl_priv *priv, const u8 *addr, bool is_ap)
 }
 EXPORT_SYMBOL(iwl_rxon_add_station);
 
+/**
+ * iwl_sta_init_bcast_lq - Initialize a bcast station's hardware rate table
+ *
+ * NOTE: Run REPLY_ADD_STA command to set up station table entry, before
+ *       calling this function (which runs REPLY_TX_LINK_QUALITY_CMD,
+ *       which requires station table entry to exist).
+ */
+static void iwl_sta_init_bcast_lq(struct iwl_priv *priv)
+{
+	int i, r;
+	struct iwl_link_quality_cmd link_cmd = {
+		.reserved1 = 0,
+	};
+	u32 rate_flags;
+
+	/* Set up the rate scaling to start at selected rate, fall back
+	 * all the way down to 1M in IEEE order, and then spin on 1M */
+	if (priv->band == IEEE80211_BAND_5GHZ)
+		r = IWL_RATE_6M_INDEX;
+	else
+		r = IWL_RATE_1M_INDEX;
+
+	for (i = 0; i < LINK_QUAL_MAX_RETRY_NUM; i++) {
+		rate_flags = 0;
+		if (r >= IWL_FIRST_CCK_RATE && r <= IWL_LAST_CCK_RATE)
+			rate_flags |= RATE_MCS_CCK_MSK;
+
+		rate_flags |= first_antenna(priv->hw_params.valid_tx_ant) <<
+				RATE_MCS_ANT_POS;
+
+		link_cmd.rs_table[i].rate_n_flags =
+			iwl_hw_set_rate_n_flags(iwl_rates[r].plcp, rate_flags);
+		r = iwl_get_prev_ieee_rate(r);
+	}
+
+	link_cmd.general_params.single_stream_ant_msk =
+				first_antenna(priv->hw_params.valid_tx_ant);
+	link_cmd.general_params.dual_stream_ant_msk = 3;
+	link_cmd.agg_params.agg_dis_start_th = LINK_QUAL_AGG_DISABLE_START_DEF;
+	link_cmd.agg_params.agg_time_limit =
+		cpu_to_le16(LINK_QUAL_AGG_TIME_LIMIT_DEF);
+
+	/* Update the rate scaling for control frame Tx to AP */
+	link_cmd.sta_id = priv->hw_params.bcast_sta_id;
+
+	iwl_send_cmd_pdu_async(priv, REPLY_TX_LINK_QUALITY_CMD,
+			       sizeof(link_cmd), &link_cmd, NULL);
+}
+
+
+/**
+ * iwl_add_bcast_station - add broadcast station into station table.
+ */
+void iwl_add_bcast_station(struct iwl_priv *priv)
+{
+	iwl_add_station(priv, iwl_bcast_addr, false, CMD_SYNC, NULL);
+
+	/* Set up default rate scaling table in device's station table */
+	iwl_sta_init_bcast_lq(priv);
+}
+EXPORT_SYMBOL(iwl_add_bcast_station);
+
 /**
  * iwl_get_sta_id - Find station's index within station table
  *
diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.h b/drivers/net/wireless/iwlwifi/iwl-sta.h
index 6deebade636..1c382de80d4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-sta.h
+++ b/drivers/net/wireless/iwlwifi/iwl-sta.h
@@ -52,6 +52,7 @@ void iwl_update_tkip_key(struct iwl_priv *priv,
 			const u8 *addr, u32 iv32, u16 *phase1key);
 
 int iwl_rxon_add_station(struct iwl_priv *priv, const u8 *addr, bool is_ap);
+void iwl_add_bcast_station(struct iwl_priv *priv);
 int iwl_remove_station(struct iwl_priv *priv, const u8 *addr, bool is_ap);
 void iwl_clear_stations_table(struct iwl_priv *priv);
 int iwl_get_free_ucode_key_index(struct iwl_priv *priv);
-- 
GitLab


From 62a94926183374d8414ab2ec633d9fe9530644ec Mon Sep 17 00:00:00 2001
From: Reinette Chatre <reinette.chatre@intel.com>
Date: Fri, 30 Oct 2009 14:36:13 -0700
Subject: [PATCH 0815/1815] iwl3945: store station rate scale information in
 mac80211 station structure

Currently the rate scale information is pointed to from the mac80211
station structure but since that is the only member we might as well make
it part of the structure. Also move the rate scaling initialization to the
init function, no need to do it when we allocate the structure. This fits
with how mac80211 deals with rate scaling information (it always calls init
after allocation) and makes it easier for us to later call initialization
directly.

Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-3945-rs.c | 99 ++++++----------------
 drivers/net/wireless/iwlwifi/iwl-3945.h    | 35 +++++++-
 2 files changed, 60 insertions(+), 74 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
index cbb0585083a..819a81bbb1b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
@@ -42,38 +42,6 @@
 
 #define RS_NAME "iwl-3945-rs"
 
-struct iwl3945_rate_scale_data {
-	u64 data;
-	s32 success_counter;
-	s32 success_ratio;
-	s32 counter;
-	s32 average_tpt;
-	unsigned long stamp;
-};
-
-struct iwl3945_rs_sta {
-	spinlock_t lock;
-	struct iwl_priv *priv;
-	s32 *expected_tpt;
-	unsigned long last_partial_flush;
-	unsigned long last_flush;
-	u32 flush_time;
-	u32 last_tx_packets;
-	u32 tx_packets;
-	u8 tgg;
-	u8 flush_pending;
-	u8 start_rate;
-	u8 ibss_sta_added;
-	struct timer_list rate_scale_flush;
-	struct iwl3945_rate_scale_data win[IWL_RATE_COUNT_3945];
-#ifdef CONFIG_MAC80211_DEBUGFS
-	struct dentry *rs_sta_dbgfs_stats_table_file;
-#endif
-
-	/* used to be in sta_info */
-	int last_txrate_idx;
-};
-
 static s32 iwl3945_expected_tpt_g[IWL_RATE_COUNT_3945] = {
 	7, 13, 35, 58, 0, 0, 76, 104, 130, 168, 191, 202
 };
@@ -370,6 +338,28 @@ static void rs_rate_init(void *priv_r, struct ieee80211_supported_band *sband,
 
 	IWL_DEBUG_RATE(priv, "enter\n");
 
+	spin_lock_init(&rs_sta->lock);
+
+	rs_sta->priv = priv;
+
+	rs_sta->start_rate = IWL_RATE_INVALID;
+
+	/* default to just 802.11b */
+	rs_sta->expected_tpt = iwl3945_expected_tpt_b;
+
+	rs_sta->last_partial_flush = jiffies;
+	rs_sta->last_flush = jiffies;
+	rs_sta->flush_time = IWL_RATE_FLUSH;
+	rs_sta->last_tx_packets = 0;
+	rs_sta->ibss_sta_added = 0;
+
+	init_timer(&rs_sta->rate_scale_flush);
+	rs_sta->rate_scale_flush.data = (unsigned long)rs_sta;
+	rs_sta->rate_scale_flush.function = &iwl3945_bg_rate_scale_flush;
+
+	for (i = 0; i < IWL_RATE_COUNT_3945; i++)
+		iwl3945_clear_window(&rs_sta->win[i]);
+
 	/* TODO: what is a good starting rate for STA? About middle? Maybe not
 	 * the lowest or the highest rate.. Could consider using RSSI from
 	 * previous packets? Need to have IEEE 802.1X auth succeed immediately
@@ -409,45 +399,11 @@ static void *rs_alloc_sta(void *iwl_priv, struct ieee80211_sta *sta, gfp_t gfp)
 {
 	struct iwl3945_rs_sta *rs_sta;
 	struct iwl3945_sta_priv *psta = (void *) sta->drv_priv;
-	struct iwl_priv *priv = iwl_priv;
-	int i;
-
-	/*
-	 * XXX: If it's using sta->drv_priv anyway, it might
-	 *	as well just put all the information there.
-	 */
+	struct iwl_priv *priv __maybe_unused = iwl_priv;
 
 	IWL_DEBUG_RATE(priv, "enter\n");
 
-	rs_sta = kzalloc(sizeof(struct iwl3945_rs_sta), gfp);
-	if (!rs_sta) {
-		IWL_DEBUG_RATE(priv, "leave: ENOMEM\n");
-		return NULL;
-	}
-
-	psta->rs_sta = rs_sta;
-
-	spin_lock_init(&rs_sta->lock);
-
-	rs_sta->priv = priv;
-
-	rs_sta->start_rate = IWL_RATE_INVALID;
-
-	/* default to just 802.11b */
-	rs_sta->expected_tpt = iwl3945_expected_tpt_b;
-
-	rs_sta->last_partial_flush = jiffies;
-	rs_sta->last_flush = jiffies;
-	rs_sta->flush_time = IWL_RATE_FLUSH;
-	rs_sta->last_tx_packets = 0;
-	rs_sta->ibss_sta_added = 0;
-
-	init_timer(&rs_sta->rate_scale_flush);
-	rs_sta->rate_scale_flush.data = (unsigned long)rs_sta;
-	rs_sta->rate_scale_flush.function = &iwl3945_bg_rate_scale_flush;
-
-	for (i = 0; i < IWL_RATE_COUNT_3945; i++)
-		iwl3945_clear_window(&rs_sta->win[i]);
+	rs_sta = &psta->rs_sta;
 
 	IWL_DEBUG_RATE(priv, "leave\n");
 
@@ -458,14 +414,11 @@ static void rs_free_sta(void *iwl_priv, struct ieee80211_sta *sta,
 			void *priv_sta)
 {
 	struct iwl3945_sta_priv *psta = (void *) sta->drv_priv;
-	struct iwl3945_rs_sta *rs_sta = priv_sta;
+	struct iwl3945_rs_sta *rs_sta = &psta->rs_sta;
 	struct iwl_priv *priv __maybe_unused = rs_sta->priv;
 
-	psta->rs_sta = NULL;
-
 	IWL_DEBUG_RATE(priv, "enter\n");
 	del_timer_sync(&rs_sta->rate_scale_flush);
-	kfree(rs_sta);
 	IWL_DEBUG_RATE(priv, "leave\n");
 }
 
@@ -967,7 +920,7 @@ void iwl3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id)
 	}
 
 	psta = (void *) sta->drv_priv;
-	rs_sta = psta->rs_sta;
+	rs_sta = &psta->rs_sta;
 
 	spin_lock_irqsave(&rs_sta->lock, flags);
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.h b/drivers/net/wireless/iwlwifi/iwl-3945.h
index ebb999a51b5..2b0d65c5780 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.h
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.h
@@ -74,8 +74,41 @@ extern struct pci_device_id iwl3945_hw_card_ids[];
 /* Module parameters accessible from iwl-*.c */
 extern struct iwl_mod_params iwl3945_mod_params;
 
+struct iwl3945_rate_scale_data {
+	u64 data;
+	s32 success_counter;
+	s32 success_ratio;
+	s32 counter;
+	s32 average_tpt;
+	unsigned long stamp;
+};
+
+struct iwl3945_rs_sta {
+	spinlock_t lock;
+	struct iwl_priv *priv;
+	s32 *expected_tpt;
+	unsigned long last_partial_flush;
+	unsigned long last_flush;
+	u32 flush_time;
+	u32 last_tx_packets;
+	u32 tx_packets;
+	u8 tgg;
+	u8 flush_pending;
+	u8 start_rate;
+	u8 ibss_sta_added;
+	struct timer_list rate_scale_flush;
+	struct iwl3945_rate_scale_data win[IWL_RATE_COUNT_3945];
+#ifdef CONFIG_MAC80211_DEBUGFS
+	struct dentry *rs_sta_dbgfs_stats_table_file;
+#endif
+
+	/* used to be in sta_info */
+	int last_txrate_idx;
+};
+
+
 struct iwl3945_sta_priv {
-	struct iwl3945_rs_sta *rs_sta;
+	struct iwl3945_rs_sta rs_sta;
 };
 
 enum iwl3945_antenna {
-- 
GitLab


From 5ad13f8ce76814b37842c15301287efd607c6d26 Mon Sep 17 00:00:00 2001
From: Reinette Chatre <reinette.chatre@intel.com>
Date: Fri, 30 Oct 2009 14:36:14 -0700
Subject: [PATCH 0816/1815] iwlagn: move rate scale initialization to init
 function

This fits better in how the callbacks operate (alloc does allocation and
init does initialization). This also helps if we later want to do our own
initialization without relying on the mac80211 allocation.

Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn-rs.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
index 27d4ece4d46..43edd8fd440 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
@@ -2477,19 +2477,12 @@ static void *rs_alloc_sta(void *priv_rate, struct ieee80211_sta *sta,
 	struct iwl_lq_sta *lq_sta;
 	struct iwl_station_priv *sta_priv = (struct iwl_station_priv *) sta->drv_priv;
 	struct iwl_priv *priv;
-	int i, j;
 
 	priv = (struct iwl_priv *)priv_rate;
 	IWL_DEBUG_RATE(priv, "create station rate scale window\n");
 
 	lq_sta = &sta_priv->lq_sta;
 
-	lq_sta->lq.sta_id = 0xff;
-
-	for (j = 0; j < LQ_SIZE; j++)
-		for (i = 0; i < IWL_RATE_COUNT; i++)
-			rs_rate_scale_clear_window(&lq_sta->lq_info[j].win[i]);
-
 	return lq_sta;
 }
 
@@ -2502,6 +2495,12 @@ static void rs_rate_init(void *priv_r, struct ieee80211_supported_band *sband,
 	struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap;
 	struct iwl_lq_sta *lq_sta = priv_sta;
 
+	lq_sta->lq.sta_id = 0xff;
+
+	for (j = 0; j < LQ_SIZE; j++)
+		for (i = 0; i < IWL_RATE_COUNT; i++)
+			rs_rate_scale_clear_window(&lq_sta->lq_info[j].win[i]);
+
 	lq_sta->flush_timer = 0;
 	lq_sta->supp_rates = sta->supp_rates[sband->band];
 	for (j = 0; j < LQ_SIZE; j++)
-- 
GitLab


From f2f21b4928489e1cf6c289d2f429e75c6dee61b5 Mon Sep 17 00:00:00 2001
From: Reinette Chatre <reinette.chatre@intel.com>
Date: Fri, 30 Oct 2009 14:36:15 -0700
Subject: [PATCH 0817/1815] iwlwifi: print warning when sending host command
 fails

More information than the "-EIO" return code will be useful here.

Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-tx.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index b46967ff380..05e75109d84 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -979,7 +979,8 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
 	       !(cmd->flags & CMD_SIZE_HUGE));
 
 	if (iwl_is_rfkill(priv) || iwl_is_ctkill(priv)) {
-		IWL_DEBUG_INFO(priv, "Not sending command - RF/CT KILL\n");
+		IWL_WARN(priv, "Not sending command - %s KILL\n",
+			 iwl_is_rfkill(priv) ? "RF" : "CT");
 		return -EIO;
 	}
 
-- 
GitLab


From fe1bcbfda77bf6fa3bbad8bf26b9e9ab23fbe345 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 30 Oct 2009 14:36:16 -0700
Subject: [PATCH 0818/1815] iwlwifi: coex API data structure

Add data structure define for COEX_MEDIUM_NOTIFICATION and
COEX_EVENT_CMD host commands.

COEX_MEDIUM_NOTIFICATION is notification from uCode to host to indicate
medium changes. COEX_EVENT_CMD is from host to uCode for coex event
request.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-commands.h | 69 ++++++++++++++++++++-
 drivers/net/wireless/iwlwifi/iwl-hcmd.c     |  2 +
 2 files changed, 68 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 954bad60355..43dd6af0089 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -3503,30 +3503,42 @@ struct iwl_led_cmd {
 } __attribute__ ((packed));
 
 /*
- * Coexistence WIFI/WIMAX  Command
- * COEX_PRIORITY_TABLE_CMD = 0x5a
- *
+ * station priority table entries
+ * also used as potential "events" value for both
+ * COEX_MEDIUM_NOTIFICATION and COEX_EVENT_CMD
  */
 enum {
+	/* un-association part */
 	COEX_UNASSOC_IDLE		= 0,
 	COEX_UNASSOC_MANUAL_SCAN	= 1,
 	COEX_UNASSOC_AUTO_SCAN		= 2,
+	/* calibration */
 	COEX_CALIBRATION		= 3,
 	COEX_PERIODIC_CALIBRATION	= 4,
+	/* connection */
 	COEX_CONNECTION_ESTAB		= 5,
+	/* association part */
 	COEX_ASSOCIATED_IDLE		= 6,
 	COEX_ASSOC_MANUAL_SCAN		= 7,
 	COEX_ASSOC_AUTO_SCAN		= 8,
 	COEX_ASSOC_ACTIVE_LEVEL		= 9,
+	/* RF ON/OFF */
 	COEX_RF_ON			= 10,
 	COEX_RF_OFF			= 11,
 	COEX_STAND_ALONE_DEBUG		= 12,
+	/* IPAN */
 	COEX_IPAN_ASSOC_LEVEL		= 13,
+	/* reserved */
 	COEX_RSRVD1			= 14,
 	COEX_RSRVD2			= 15,
 	COEX_NUM_OF_EVENTS		= 16
 };
 
+/*
+ * Coexistence WIFI/WIMAX  Command
+ * COEX_PRIORITY_TABLE_CMD = 0x5a
+ *
+ */
 struct iwl_wimax_coex_event_entry {
 	u8 request_prio;
 	u8 win_medium_prio;
@@ -3551,6 +3563,55 @@ struct iwl_wimax_coex_cmd {
 	struct iwl_wimax_coex_event_entry sta_prio[COEX_NUM_OF_EVENTS];
 } __attribute__ ((packed));
 
+/*
+ * Coexistence MEDIUM NOTIFICATION
+ * COEX_MEDIUM_NOTIFICATION = 0x5b
+ *
+ * notification from uCode to host to indicate medium changes
+ *
+ */
+/*
+ * status field
+ * bit 0 - 2: medium status
+ * bit 3: medium change indication
+ * bit 4 - 31: reserved
+ */
+/* status option values, (0 - 2 bits) */
+#define COEX_MEDIUM_BUSY	(0x0) /* radio belongs to WiMAX */
+#define COEX_MEDIUM_ACTIVE	(0x1) /* radio belongs to WiFi */
+#define COEX_MEDIUM_PRE_RELEASE	(0x2) /* received radio release */
+#define COEX_MEDIUM_MSK		(0x7)
+
+/* send notification status (1 bit) */
+#define COEX_MEDIUM_CHANGED	(0x8)
+#define COEX_MEDIUM_CHANGED_MSK	(0x8)
+#define COEX_MEDIUM_SHIFT	(3)
+
+struct iwl_coex_medium_notification {
+	__le32 status;
+	__le32 events;
+} __attribute__ ((packed));
+
+/*
+ * Coexistence EVENT  Command
+ * COEX_EVENT_CMD = 0x5c
+ *
+ * send from host to uCode for coex event request.
+ */
+/* flags options */
+#define COEX_EVENT_REQUEST_MSK	(0x1)
+
+struct iwl_coex_event_cmd {
+	u8 flags;
+	u8 event;
+	__le16 reserved;
+} __attribute__ ((packed));
+
+struct iwl_coex_event_resp {
+	__le32 status;
+} __attribute__ ((packed));
+
+
 /******************************************************************************
  * (13)
  * Union of all expected notifications/responses:
@@ -3587,6 +3648,8 @@ struct iwl_rx_packet {
 		struct iwl_notif_statistics stats;
 		struct iwl_compressed_ba_resp compressed_ba;
 		struct iwl_missed_beacon_notif missed_beacon;
+		struct iwl_coex_medium_notification coex_medium_notif;
+		struct iwl_coex_event_resp coex_event;
 		__le32 status;
 		u8 raw[0];
 	} u;
diff --git a/drivers/net/wireless/iwlwifi/iwl-hcmd.c b/drivers/net/wireless/iwlwifi/iwl-hcmd.c
index f2a60dc4109..905645d15a9 100644
--- a/drivers/net/wireless/iwlwifi/iwl-hcmd.c
+++ b/drivers/net/wireless/iwlwifi/iwl-hcmd.c
@@ -55,6 +55,8 @@ const char *get_cmd_string(u8 cmd)
 		IWL_CMD(REPLY_LEDS_CMD);
 		IWL_CMD(REPLY_TX_LINK_QUALITY_CMD);
 		IWL_CMD(COEX_PRIORITY_TABLE_CMD);
+		IWL_CMD(COEX_MEDIUM_NOTIFICATION);
+		IWL_CMD(COEX_EVENT_CMD);
 		IWL_CMD(RADAR_NOTIFICATION);
 		IWL_CMD(REPLY_QUIET_CMD);
 		IWL_CMD(REPLY_CHANNEL_SWITCH);
-- 
GitLab


From 3f3e0376bb14ac7bfd8ac3e9824b2ad04d945e18 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 30 Oct 2009 14:36:17 -0700
Subject: [PATCH 0819/1815] iwlwifi: add SM PS support for 6x50 series

Spatial Multiplexing Power Save was disabled to achieve better
throughput while in power save mode by activating all the rx chains all the time.
By doing so, the device power consumption is high.

Enable static/dynamic spatial multiplexing power save if device support
it, which can lower the power consumption without impact throughput.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-6000.c |  2 ++
 drivers/net/wireless/iwlwifi/iwl-agn.c  |  4 +++
 drivers/net/wireless/iwlwifi/iwl-core.c | 48 +++++++++++++++++++------
 drivers/net/wireless/iwlwifi/iwl-core.h |  2 ++
 drivers/net/wireless/iwlwifi/iwl-dev.h  |  1 +
 drivers/net/wireless/iwlwifi/iwl-sta.c  |  5 +++
 6 files changed, 52 insertions(+), 10 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index 2f841a8576e..a4a8b5e2f41 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -490,6 +490,7 @@ struct iwl_cfg iwl6050_2agn_cfg = {
 	.supports_idle = true,
 	.adv_thermal_throttle = true,
 	.support_ct_kill_exit = true,
+	.support_sm_ps = true,
 };
 
 struct iwl_cfg iwl6050_2abg_cfg = {
@@ -579,6 +580,7 @@ struct iwl_cfg iwl6050_3agn_cfg = {
 	.supports_idle = true,
 	.adv_thermal_throttle = true,
 	.support_ct_kill_exit = true,
+	.support_sm_ps = true,
 };
 
 MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX));
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 4a13f7e21d6..b5fe8f87aa7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -3011,6 +3011,10 @@ static int iwl_init_drv(struct iwl_priv *priv)
 	priv->band = IEEE80211_BAND_2GHZ;
 
 	priv->iw_mode = NL80211_IFTYPE_STATION;
+	if (priv->cfg->support_sm_ps)
+		priv->current_ht_config.sm_ps = WLAN_HT_CAP_SM_PS_DYNAMIC;
+	else
+		priv->current_ht_config.sm_ps = WLAN_HT_CAP_SM_PS_DISABLED;
 
 	/* Choose which receivers/antennas to use */
 	if (priv->cfg->ops->hcmd->set_rxon_chain)
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 256c9a49fa3..c4ff381e440 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -414,8 +414,12 @@ static void iwlcore_init_ht_hw_capab(const struct iwl_priv *priv,
 	if (priv->cfg->ht_greenfield_support)
 		ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
 	ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
-	ht_info->cap |= (IEEE80211_HT_CAP_SM_PS &
-			     (WLAN_HT_CAP_SM_PS_DISABLED << 2));
+	if (priv->cfg->support_sm_ps)
+		ht_info->cap |= (IEEE80211_HT_CAP_SM_PS &
+				     (WLAN_HT_CAP_SM_PS_DYNAMIC << 2));
+	else
+		ht_info->cap |= (IEEE80211_HT_CAP_SM_PS &
+				     (WLAN_HT_CAP_SM_PS_DISABLED << 2));
 
 	max_bit_rate = MAX_BIT_RATE_20_MHZ;
 	if (priv->hw_params.ht40_channel & BIT(band)) {
@@ -963,17 +967,35 @@ static int iwl_get_active_rx_chain_count(struct iwl_priv *priv)
 }
 
 /*
- * When we are in power saving, there's no difference between
- * using multiple chains or just a single chain, but due to the
- * lack of SM PS we lose a lot of throughput if we use just a
- * single chain.
- *
- * Therefore, use the active count here (which will use multiple
- * chains unless connected to a legacy AP).
+ * When we are in power saving mode, unless device support spatial
+ * multiplexing power save, use the active count for rx chain count.
  */
 static int iwl_get_idle_rx_chain_count(struct iwl_priv *priv, int active_cnt)
 {
-	return active_cnt;
+	int idle_cnt = active_cnt;
+	bool is_cam = !test_bit(STATUS_POWER_PMI, &priv->status);
+
+	if (priv->cfg->support_sm_ps) {
+		/* # Rx chains when idling and maybe trying to save power */
+		switch (priv->current_ht_config.sm_ps) {
+		case WLAN_HT_CAP_SM_PS_STATIC:
+		case WLAN_HT_CAP_SM_PS_DYNAMIC:
+			idle_cnt = (is_cam) ? IWL_NUM_IDLE_CHAINS_DUAL :
+				IWL_NUM_IDLE_CHAINS_SINGLE;
+			break;
+		case WLAN_HT_CAP_SM_PS_DISABLED:
+			idle_cnt = (is_cam) ? active_cnt :
+				IWL_NUM_IDLE_CHAINS_SINGLE;
+			break;
+		case WLAN_HT_CAP_SM_PS_INVALID:
+		default:
+			IWL_ERR(priv, "invalid sm_ps mode %d\n",
+				priv->current_ht_config.sm_ps);
+			WARN_ON(1);
+			break;
+		}
+	}
+	return idle_cnt;
 }
 
 /* up to 4 chains */
@@ -2257,6 +2279,12 @@ static void iwl_ht_conf(struct iwl_priv *priv,
 					>> IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT;
 			maxstreams += 1;
 
+			ht_conf->sm_ps =
+				(u8)((ht_cap->cap & IEEE80211_HT_CAP_SM_PS)
+				>> 2);
+			IWL_DEBUG_MAC80211(priv, "sm_ps: 0x%x\n",
+				ht_conf->sm_ps);
+
 			if ((ht_cap->mcs.rx_mask[1] == 0) &&
 			    (ht_cap->mcs.rx_mask[2] == 0))
 				ht_conf->single_chain_sufficient = true;
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index ddf0998fb75..d2e47dab38d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -228,6 +228,7 @@ struct iwl_mod_params {
  * @chain_noise_num_beacons: number of beacons used to compute chain noise
  * @adv_thermal_throttle: support advance thermal throttle
  * @support_ct_kill_exit: support ct kill exit condition
+ * @support_sm_ps: support spatial multiplexing power save
  *
  * We enable the driver to be backward compatible wrt API version. The
  * driver specifies which APIs it supports (with @ucode_api_max being the
@@ -283,6 +284,7 @@ struct iwl_cfg {
 	const bool supports_idle;
 	bool adv_thermal_throttle;
 	bool support_ct_kill_exit;
+	bool support_sm_ps;
 };
 
 /***************************
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index e7ce6738766..cb2642c18da 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -517,6 +517,7 @@ struct iwl_ht_config {
 	bool is_ht;
 	bool is_40mhz;
 	bool single_chain_sufficient;
+	u8 sm_ps;
 	/* BSS related data */
 	u8 extension_chan_offset;
 	u8 ht_protection;
diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c
index ce1ceac19c7..74cc8dbe935 100644
--- a/drivers/net/wireless/iwlwifi/iwl-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-sta.c
@@ -182,6 +182,11 @@ static void iwl_set_ht_add_station(struct iwl_priv *priv, u8 index,
 		goto done;
 
 	mimo_ps_mode = (sta_ht_inf->cap & IEEE80211_HT_CAP_SM_PS) >> 2;
+	IWL_DEBUG_ASSOC(priv, "spatial multiplexing power save mode: %s\n",
+			(mimo_ps_mode == WLAN_HT_CAP_SM_PS_STATIC) ?
+			"static" :
+			(mimo_ps_mode == WLAN_HT_CAP_SM_PS_DYNAMIC) ?
+			"dynamic" : "disabled");
 
 	sta_flags = priv->stations[index].sta.station_flags;
 
-- 
GitLab


From 1933ac4d9377ed44caba45abe1531ec1bc14bb63 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 30 Oct 2009 14:36:18 -0700
Subject: [PATCH 0820/1815] iwlwifi: add wimax/wifi coexist support for 6x50
 series

For 6x50 series, it is wimax/wifi combo device, so driver need to enable
the wimax/wifi co-exist function and send the coexist event priority
table to uCode for operation.

The priority table will be used by uCode to determine what is the proper
action it should take when co-exist with WiMAX.
For example, when WiFi runs a scan, it must own radio exclusively, therefore
will disconnect WiMAX if WiMAX is connected.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-5000.c     | 12 +--
 drivers/net/wireless/iwlwifi/iwl-6000.c     |  3 +
 drivers/net/wireless/iwlwifi/iwl-commands.h | 92 +++++++++++++++++++++
 drivers/net/wireless/iwlwifi/iwl-core.c     | 59 +++++++++++++
 drivers/net/wireless/iwlwifi/iwl-core.h     |  3 +
 5 files changed, 158 insertions(+), 11 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index d256fecc6cd..910217f0ad8 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -591,16 +591,6 @@ static void iwl5000_tx_queue_set_status(struct iwl_priv *priv,
 		       scd_retry ? "BA" : "AC", txq_id, tx_fifo_id);
 }
 
-static int iwl5000_send_wimax_coex(struct iwl_priv *priv)
-{
-	struct iwl_wimax_coex_cmd coex_cmd;
-
-	memset(&coex_cmd, 0, sizeof(coex_cmd));
-
-	return iwl_send_cmd_pdu(priv, COEX_PRIORITY_TABLE_CMD,
-				sizeof(coex_cmd), &coex_cmd);
-}
-
 int iwl5000_alive_notify(struct iwl_priv *priv)
 {
 	u32 a;
@@ -681,7 +671,7 @@ int iwl5000_alive_notify(struct iwl_priv *priv)
 	spin_unlock_irqrestore(&priv->lock, flags);
 
 
-	iwl5000_send_wimax_coex(priv);
+	iwl_send_wimax_coex(priv);
 
 	iwl5000_set_Xtal_calib(priv);
 	iwl_send_calib_results(priv);
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index a4a8b5e2f41..70e117f8d0c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -491,6 +491,7 @@ struct iwl_cfg iwl6050_2agn_cfg = {
 	.adv_thermal_throttle = true,
 	.support_ct_kill_exit = true,
 	.support_sm_ps = true,
+	.support_wimax_coexist = true,
 };
 
 struct iwl_cfg iwl6050_2abg_cfg = {
@@ -520,6 +521,7 @@ struct iwl_cfg iwl6050_2abg_cfg = {
 	.supports_idle = true,
 	.adv_thermal_throttle = true,
 	.support_ct_kill_exit = true,
+	.support_wimax_coexist = true,
 };
 
 struct iwl_cfg iwl6000_3agn_cfg = {
@@ -581,6 +583,7 @@ struct iwl_cfg iwl6050_3agn_cfg = {
 	.adv_thermal_throttle = true,
 	.support_ct_kill_exit = true,
 	.support_sm_ps = true,
+	.support_wimax_coexist = true,
 };
 
 MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX));
diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 43dd6af0089..b62c90ec9e1 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -3507,6 +3507,98 @@ struct iwl_led_cmd {
  * also used as potential "events" value for both
  * COEX_MEDIUM_NOTIFICATION and COEX_EVENT_CMD
  */
+
+/*
+ * COEX events entry flag masks
+ * RP - Requested Priority
+ * WP - Win Medium Priority: priority assigned when the contention has been won
+ */
+#define COEX_EVT_FLAG_MEDIUM_FREE_NTFY_FLG        (0x1)
+#define COEX_EVT_FLAG_MEDIUM_ACTV_NTFY_FLG        (0x2)
+#define COEX_EVT_FLAG_DELAY_MEDIUM_FREE_NTFY_FLG  (0x4)
+
+#define COEX_CU_UNASSOC_IDLE_RP               4
+#define COEX_CU_UNASSOC_MANUAL_SCAN_RP        4
+#define COEX_CU_UNASSOC_AUTO_SCAN_RP          4
+#define COEX_CU_CALIBRATION_RP                4
+#define COEX_CU_PERIODIC_CALIBRATION_RP       4
+#define COEX_CU_CONNECTION_ESTAB_RP           4
+#define COEX_CU_ASSOCIATED_IDLE_RP            4
+#define COEX_CU_ASSOC_MANUAL_SCAN_RP          4
+#define COEX_CU_ASSOC_AUTO_SCAN_RP            4
+#define COEX_CU_ASSOC_ACTIVE_LEVEL_RP         4
+#define COEX_CU_RF_ON_RP                      6
+#define COEX_CU_RF_OFF_RP                     4
+#define COEX_CU_STAND_ALONE_DEBUG_RP          6
+#define COEX_CU_IPAN_ASSOC_LEVEL_RP           4
+#define COEX_CU_RSRVD1_RP                     4
+#define COEX_CU_RSRVD2_RP                     4
+
+#define COEX_CU_UNASSOC_IDLE_WP               3
+#define COEX_CU_UNASSOC_MANUAL_SCAN_WP        3
+#define COEX_CU_UNASSOC_AUTO_SCAN_WP          3
+#define COEX_CU_CALIBRATION_WP                3
+#define COEX_CU_PERIODIC_CALIBRATION_WP       3
+#define COEX_CU_CONNECTION_ESTAB_WP           3
+#define COEX_CU_ASSOCIATED_IDLE_WP            3
+#define COEX_CU_ASSOC_MANUAL_SCAN_WP          3
+#define COEX_CU_ASSOC_AUTO_SCAN_WP            3
+#define COEX_CU_ASSOC_ACTIVE_LEVEL_WP         3
+#define COEX_CU_RF_ON_WP                      3
+#define COEX_CU_RF_OFF_WP                     3
+#define COEX_CU_STAND_ALONE_DEBUG_WP          6
+#define COEX_CU_IPAN_ASSOC_LEVEL_WP           3
+#define COEX_CU_RSRVD1_WP                     3
+#define COEX_CU_RSRVD2_WP                     3
+
+#define COEX_UNASSOC_IDLE_FLAGS                     0
+#define COEX_UNASSOC_MANUAL_SCAN_FLAGS		\
+	(COEX_EVT_FLAG_MEDIUM_FREE_NTFY_FLG |	\
+	COEX_EVT_FLAG_MEDIUM_ACTV_NTFY_FLG)
+#define COEX_UNASSOC_AUTO_SCAN_FLAGS		\
+	(COEX_EVT_FLAG_MEDIUM_FREE_NTFY_FLG |	\
+	COEX_EVT_FLAG_MEDIUM_ACTV_NTFY_FLG)
+#define COEX_CALIBRATION_FLAGS			\
+	(COEX_EVT_FLAG_MEDIUM_FREE_NTFY_FLG |	\
+	COEX_EVT_FLAG_MEDIUM_ACTV_NTFY_FLG)
+#define COEX_PERIODIC_CALIBRATION_FLAGS             0
+/*
+ * COEX_CONNECTION_ESTAB:
+ * we need DELAY_MEDIUM_FREE_NTFY to let WiMAX disconnect from network.
+ */
+#define COEX_CONNECTION_ESTAB_FLAGS		\
+	(COEX_EVT_FLAG_MEDIUM_FREE_NTFY_FLG |	\
+	COEX_EVT_FLAG_MEDIUM_ACTV_NTFY_FLG |	\
+	COEX_EVT_FLAG_DELAY_MEDIUM_FREE_NTFY_FLG)
+#define COEX_ASSOCIATED_IDLE_FLAGS                  0
+#define COEX_ASSOC_MANUAL_SCAN_FLAGS		\
+	(COEX_EVT_FLAG_MEDIUM_FREE_NTFY_FLG |	\
+	COEX_EVT_FLAG_MEDIUM_ACTV_NTFY_FLG)
+#define COEX_ASSOC_AUTO_SCAN_FLAGS		\
+	(COEX_EVT_FLAG_MEDIUM_FREE_NTFY_FLG |	\
+	 COEX_EVT_FLAG_MEDIUM_ACTV_NTFY_FLG)
+#define COEX_ASSOC_ACTIVE_LEVEL_FLAGS               0
+#define COEX_RF_ON_FLAGS                            0
+#define COEX_RF_OFF_FLAGS                           0
+#define COEX_STAND_ALONE_DEBUG_FLAGS		\
+	(COEX_EVT_FLAG_MEDIUM_FREE_NTFY_FLG |	\
+	 COEX_EVT_FLAG_MEDIUM_ACTV_NTFY_FLG)
+#define COEX_IPAN_ASSOC_LEVEL_FLAGS		\
+	(COEX_EVT_FLAG_MEDIUM_FREE_NTFY_FLG |	\
+	 COEX_EVT_FLAG_MEDIUM_ACTV_NTFY_FLG |	\
+	 COEX_EVT_FLAG_DELAY_MEDIUM_FREE_NTFY_FLG)
+#define COEX_RSRVD1_FLAGS                           0
+#define COEX_RSRVD2_FLAGS                           0
+/*
+ * COEX_CU_RF_ON is the event wrapping all radio ownership.
+ * We need DELAY_MEDIUM_FREE_NTFY to let WiMAX disconnect from network.
+ */
+#define COEX_CU_RF_ON_FLAGS			\
+	(COEX_EVT_FLAG_MEDIUM_FREE_NTFY_FLG |	\
+	 COEX_EVT_FLAG_MEDIUM_ACTV_NTFY_FLG |	\
+	 COEX_EVT_FLAG_DELAY_MEDIUM_FREE_NTFY_FLG)
+
+
 enum {
 	/* un-association part */
 	COEX_UNASSOC_IDLE		= 0,
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index c4ff381e440..7373b2f50ac 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -46,6 +46,37 @@ MODULE_VERSION(IWLWIFI_VERSION);
 MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
 MODULE_LICENSE("GPL");
 
+static struct iwl_wimax_coex_event_entry cu_priorities[COEX_NUM_OF_EVENTS] = {
+	{COEX_CU_UNASSOC_IDLE_RP, COEX_CU_UNASSOC_IDLE_WP,
+	 0, COEX_UNASSOC_IDLE_FLAGS},
+	{COEX_CU_UNASSOC_MANUAL_SCAN_RP, COEX_CU_UNASSOC_MANUAL_SCAN_WP,
+	 0, COEX_UNASSOC_MANUAL_SCAN_FLAGS},
+	{COEX_CU_UNASSOC_AUTO_SCAN_RP, COEX_CU_UNASSOC_AUTO_SCAN_WP,
+	 0, COEX_UNASSOC_AUTO_SCAN_FLAGS},
+	{COEX_CU_CALIBRATION_RP, COEX_CU_CALIBRATION_WP,
+	 0, COEX_CALIBRATION_FLAGS},
+	{COEX_CU_PERIODIC_CALIBRATION_RP, COEX_CU_PERIODIC_CALIBRATION_WP,
+	 0, COEX_PERIODIC_CALIBRATION_FLAGS},
+	{COEX_CU_CONNECTION_ESTAB_RP, COEX_CU_CONNECTION_ESTAB_WP,
+	 0, COEX_CONNECTION_ESTAB_FLAGS},
+	{COEX_CU_ASSOCIATED_IDLE_RP, COEX_CU_ASSOCIATED_IDLE_WP,
+	 0, COEX_ASSOCIATED_IDLE_FLAGS},
+	{COEX_CU_ASSOC_MANUAL_SCAN_RP, COEX_CU_ASSOC_MANUAL_SCAN_WP,
+	 0, COEX_ASSOC_MANUAL_SCAN_FLAGS},
+	{COEX_CU_ASSOC_AUTO_SCAN_RP, COEX_CU_ASSOC_AUTO_SCAN_WP,
+	 0, COEX_ASSOC_AUTO_SCAN_FLAGS},
+	{COEX_CU_ASSOC_ACTIVE_LEVEL_RP, COEX_CU_ASSOC_ACTIVE_LEVEL_WP,
+	 0, COEX_ASSOC_ACTIVE_LEVEL_FLAGS},
+	{COEX_CU_RF_ON_RP, COEX_CU_RF_ON_WP, 0, COEX_CU_RF_ON_FLAGS},
+	{COEX_CU_RF_OFF_RP, COEX_CU_RF_OFF_WP, 0, COEX_RF_OFF_FLAGS},
+	{COEX_CU_STAND_ALONE_DEBUG_RP, COEX_CU_STAND_ALONE_DEBUG_WP,
+	 0, COEX_STAND_ALONE_DEBUG_FLAGS},
+	{COEX_CU_IPAN_ASSOC_LEVEL_RP, COEX_CU_IPAN_ASSOC_LEVEL_WP,
+	 0, COEX_IPAN_ASSOC_LEVEL_FLAGS},
+	{COEX_CU_RSRVD1_RP, COEX_CU_RSRVD1_WP, 0, COEX_RSRVD1_FLAGS},
+	{COEX_CU_RSRVD2_RP, COEX_CU_RSRVD2_WP, 0, COEX_RSRVD2_FLAGS}
+};
+
 #define IWL_DECLARE_RATE_INFO(r, s, ip, in, rp, rn, pp, np)    \
 	[IWL_RATE_##r##M_INDEX] = { IWL_RATE_##r##M_PLCP,      \
 				    IWL_RATE_SISO_##s##M_PLCP, \
@@ -2865,6 +2896,34 @@ void iwl_free_txq_mem(struct iwl_priv *priv)
 }
 EXPORT_SYMBOL(iwl_free_txq_mem);
 
+int iwl_send_wimax_coex(struct iwl_priv *priv)
+{
+	struct iwl_wimax_coex_cmd uninitialized_var(coex_cmd);
+
+	if (priv->cfg->support_wimax_coexist) {
+		/* UnMask wake up src at associated sleep */
+		coex_cmd.flags |= COEX_FLAGS_ASSOC_WA_UNMASK_MSK;
+
+		/* UnMask wake up src at unassociated sleep */
+		coex_cmd.flags |= COEX_FLAGS_UNASSOC_WA_UNMASK_MSK;
+		memcpy(coex_cmd.sta_prio, cu_priorities,
+			sizeof(struct iwl_wimax_coex_event_entry) *
+			 COEX_NUM_OF_EVENTS);
+
+		/* enabling the coexistence feature */
+		coex_cmd.flags |= COEX_FLAGS_COEX_ENABLE_MSK;
+
+		/* enabling the priorities tables */
+		coex_cmd.flags |= COEX_FLAGS_STA_TABLE_VALID_MSK;
+	} else {
+		/* coexistence is disabled */
+		memset(&coex_cmd, 0, sizeof(coex_cmd));
+	}
+	return iwl_send_cmd_pdu(priv, COEX_PRIORITY_TABLE_CMD,
+				sizeof(coex_cmd), &coex_cmd);
+}
+EXPORT_SYMBOL(iwl_send_wimax_coex);
+
 #ifdef CONFIG_IWLWIFI_DEBUGFS
 
 #define IWL_TRAFFIC_DUMP_SIZE	(IWL_TRAFFIC_ENTRY_SIZE * IWL_TRAFFIC_ENTRIES)
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index d2e47dab38d..9574d8f3353 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -229,6 +229,7 @@ struct iwl_mod_params {
  * @adv_thermal_throttle: support advance thermal throttle
  * @support_ct_kill_exit: support ct kill exit condition
  * @support_sm_ps: support spatial multiplexing power save
+ * @support_wimax_coexist: support wimax/wifi co-exist
  *
  * We enable the driver to be backward compatible wrt API version. The
  * driver specifies which APIs it supports (with @ucode_api_max being the
@@ -285,6 +286,7 @@ struct iwl_cfg {
 	bool adv_thermal_throttle;
 	bool support_ct_kill_exit;
 	bool support_sm_ps;
+	const bool support_wimax_coexist;
 };
 
 /***************************
@@ -340,6 +342,7 @@ int iwl_alloc_txq_mem(struct iwl_priv *priv);
 void iwl_free_txq_mem(struct iwl_priv *priv);
 void iwlcore_rts_tx_cmd_flag(struct ieee80211_tx_info *info,
 				__le32 *tx_flags);
+int iwl_send_wimax_coex(struct iwl_priv *priv);
 #ifdef CONFIG_IWLWIFI_DEBUGFS
 int iwl_alloc_traffic_mem(struct iwl_priv *priv);
 void iwl_free_traffic_mem(struct iwl_priv *priv);
-- 
GitLab


From 6d3560d4fc9c5b9fe1a07a63926ea70512c69c32 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Sat, 31 Oct 2009 07:44:08 +0100
Subject: [PATCH 0821/1815] mac80211: fix scan abort sanity checks

Since sometimes mac80211 queues up a scan request
to only act on it later, it must be allowed to
(internally) cancel a not-yet-running scan, e.g.
when the interface is taken down. This condition
was missing since we always checked only the
local->scanning variable which isn't yet set in
that situation.

Reported-by: Luis R. Rodriguez <mcgrof@gmail.com>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/scan.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index c46ac01e2a8..88a9a1be314 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -288,10 +288,14 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
 
 	mutex_lock(&local->scan_mtx);
 
-	if (WARN_ON(!local->scanning)) {
-		mutex_unlock(&local->scan_mtx);
-		return;
-	}
+	/*
+	 * It's ok to abort a not-yet-running scan (that
+	 * we have one at all will be verified by checking
+	 * local->scan_req next), but not to complete it
+	 * successfully.
+	 */
+	if (WARN_ON(!local->scanning && !aborted))
+		aborted = true;
 
 	if (WARN_ON(!local->scan_req)) {
 		mutex_unlock(&local->scan_mtx);
-- 
GitLab


From 93a59d7527147e3656664aa3179f8d19de256081 Mon Sep 17 00:00:00 2001
From: Christian Lamparter <chunkeey@googlemail.com>
Date: Sat, 31 Oct 2009 22:59:27 +0100
Subject: [PATCH 0822/1815] p54: disable channels with incomplete calibration
 data sets

James Grossmann [1] reported that p54 spews out confusing
messages instead of preventing the mayhem from happening.

the reason is that "p54: generate channel list dynamically"
is not perfect. It didn't discard incomplete channel data
sets and therefore p54 advertised to support them as well.

[1]: http://marc.info/?l=linux-wireless&m=125699830215890

Cc: Larry Finger <Larry.Finger@lwfinger.net>
Reported-by: James Grossmann <cctsurf@gmail.com>
Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/p54/eeprom.c | 31 +++++++++++++++++++------------
 1 file changed, 19 insertions(+), 12 deletions(-)

diff --git a/drivers/net/wireless/p54/eeprom.c b/drivers/net/wireless/p54/eeprom.c
index 0efe67deede..8e3818f6832 100644
--- a/drivers/net/wireless/p54/eeprom.c
+++ b/drivers/net/wireless/p54/eeprom.c
@@ -126,7 +126,7 @@ static int p54_generate_band(struct ieee80211_hw *dev,
 	int ret = -ENOMEM;
 
 	if ((!list->entries) || (!list->band_channel_num[band]))
-		return 0;
+		return -EINVAL;
 
 	tmp = kzalloc(sizeof(*tmp), GFP_KERNEL);
 	if (!tmp)
@@ -158,6 +158,7 @@ static int p54_generate_band(struct ieee80211_hw *dev,
 			       (list->channels[i].data & CHAN_HAS_CURVE ? "" :
 				" [curve data]"),
 			       list->channels[i].index, list->channels[i].freq);
+			continue;
 		}
 
 		tmp->channels[j].band = list->channels[i].band;
@@ -165,7 +166,16 @@ static int p54_generate_band(struct ieee80211_hw *dev,
 		j++;
 	}
 
-	tmp->n_channels = list->band_channel_num[band];
+	if (j == 0) {
+		printk(KERN_ERR "%s: Disabling totally damaged %s band.\n",
+		       wiphy_name(dev->wiphy), (band == IEEE80211_BAND_2GHZ) ?
+		       "2 GHz" : "5 GHz");
+
+		ret = -ENODATA;
+		goto err_out;
+	}
+
+	tmp->n_channels = j;
 	old = priv->band_table[band];
 	priv->band_table[band] = tmp;
 	if (old) {
@@ -228,13 +238,13 @@ static int p54_generate_channel_lists(struct ieee80211_hw *dev)
 	struct p54_common *priv = dev->priv;
 	struct p54_channel_list *list;
 	unsigned int i, j, max_channel_num;
-	int ret = -ENOMEM;
+	int ret = 0;
 	u16 freq;
 
 	if ((priv->iq_autocal_len != priv->curve_data->entries) ||
 	    (priv->iq_autocal_len != priv->output_limit->entries))
-		printk(KERN_ERR "%s: EEPROM is damaged... you may not be able"
-				"to use all channels with this device.\n",
+		printk(KERN_ERR "%s: Unsupported or damaged EEPROM detected. "
+				"You may not be able to use all channels.\n",
 				wiphy_name(dev->wiphy));
 
 	max_channel_num = max_t(unsigned int, priv->output_limit->entries,
@@ -243,8 +253,10 @@ static int p54_generate_channel_lists(struct ieee80211_hw *dev)
 				priv->curve_data->entries);
 
 	list = kzalloc(sizeof(*list), GFP_KERNEL);
-	if (!list)
+	if (!list) {
+		ret = -ENOMEM;
 		goto free;
+	}
 
 	list->max_entries = max_channel_num;
 	list->channels = kzalloc(sizeof(struct p54_channel_entry) *
@@ -282,13 +294,8 @@ static int p54_generate_channel_lists(struct ieee80211_hw *dev)
 	     p54_compare_channels, NULL);
 
 	for (i = 0, j = 0; i < IEEE80211_NUM_BANDS; i++) {
-		if (list->band_channel_num[i]) {
-			ret = p54_generate_band(dev, list, i);
-			if (ret)
-				goto free;
-
+		if (p54_generate_band(dev, list, i) == 0)
 			j++;
-		}
 	}
 	if (j == 0) {
 		/* no useable band available. */
-- 
GitLab


From c5f8289cd9b2e31fca506cb82f4aaa5ffc468602 Mon Sep 17 00:00:00 2001
From: Jouni Malinen <j@w1.fi>
Date: Sun, 1 Nov 2009 11:18:49 +0200
Subject: [PATCH 0823/1815] cfg80211: Fix WEXT compat siwauth wpa and group
 cipher

Neither of these commands should clear the current configuration value
if they return error. Furthermore, cfg80211_set_cipher_group() should
be able to handle IW_AUTH_CIPHER_NONE without reporting error.

Signed-off-by: Jouni Malinen <j@w1.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/wireless/wext-compat.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index 561a45cf2a6..41abcbdc5fb 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -904,8 +904,6 @@ static int cfg80211_set_auth_alg(struct wireless_dev *wdev,
 
 static int cfg80211_set_wpa_version(struct wireless_dev *wdev, u32 wpa_versions)
 {
-	wdev->wext.connect.crypto.wpa_versions = 0;
-
 	if (wpa_versions & ~(IW_AUTH_WPA_VERSION_WPA |
 			     IW_AUTH_WPA_VERSION_WPA2|
 		             IW_AUTH_WPA_VERSION_DISABLED))
@@ -933,8 +931,6 @@ static int cfg80211_set_wpa_version(struct wireless_dev *wdev, u32 wpa_versions)
 
 static int cfg80211_set_cipher_group(struct wireless_dev *wdev, u32 cipher)
 {
-	wdev->wext.connect.crypto.cipher_group = 0;
-
 	if (cipher & IW_AUTH_CIPHER_WEP40)
 		wdev->wext.connect.crypto.cipher_group =
 			WLAN_CIPHER_SUITE_WEP40;
@@ -950,6 +946,8 @@ static int cfg80211_set_cipher_group(struct wireless_dev *wdev, u32 cipher)
 	else if (cipher & IW_AUTH_CIPHER_AES_CMAC)
 		wdev->wext.connect.crypto.cipher_group =
 			WLAN_CIPHER_SUITE_AES_CMAC;
+	else if (cipher & IW_AUTH_CIPHER_NONE)
+		wdev->wext.connect.crypto.cipher_group = 0;
 	else
 		return -EINVAL;
 
-- 
GitLab


From 70541839dd2eacb521fa4f8515ab696599b36ea3 Mon Sep 17 00:00:00 2001
From: Jouni Malinen <j@w1.fi>
Date: Sun, 1 Nov 2009 11:30:48 +0200
Subject: [PATCH 0824/1815] mac80211_hwsim: Check idle state on TX

Track the idle state for hwsim radios and reject TX if mac80211 is
trying to transmit something when the radio is supposed to be idle. In
addition, do not deliver frames if the receiving radio is in the idle
state.

Signed-off-by: Jouni Malinen <j@w1.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mac80211_hwsim.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index d2b2e5e739b..58c357eaf21 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -284,7 +284,7 @@ struct mac80211_hwsim_data {
 	struct ieee80211_channel *channel;
 	unsigned long beacon_int; /* in jiffies unit */
 	unsigned int rx_filter;
-	int started;
+	bool started, idle;
 	struct timer_list beacon_timer;
 	enum ps_mode {
 		PS_DISABLED, PS_ENABLED, PS_AUTO_POLL, PS_MANUAL_POLL
@@ -402,6 +402,12 @@ static bool mac80211_hwsim_tx_frame(struct ieee80211_hw *hw,
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	struct ieee80211_rx_status rx_status;
 
+	if (data->idle) {
+		printk(KERN_DEBUG "%s: Trying to TX when idle - reject\n",
+		       wiphy_name(hw->wiphy));
+		return false;
+	}
+
 	memset(&rx_status, 0, sizeof(rx_status));
 	/* TODO: set mactime */
 	rx_status.freq = data->channel->center_freq;
@@ -428,7 +434,8 @@ static bool mac80211_hwsim_tx_frame(struct ieee80211_hw *hw,
 		if (data == data2)
 			continue;
 
-		if (!data2->started || !hwsim_ps_rx_ok(data2, skb) ||
+		if (data2->idle || !data2->started ||
+		    !hwsim_ps_rx_ok(data2, skb) ||
 		    !data->channel || !data2->channel ||
 		    data->channel->center_freq != data2->channel->center_freq ||
 		    !(data->group & data2->group))
@@ -571,6 +578,8 @@ static int mac80211_hwsim_config(struct ieee80211_hw *hw, u32 changed)
 	       !!(conf->flags & IEEE80211_CONF_IDLE),
 	       !!(conf->flags & IEEE80211_CONF_PS));
 
+	data->idle = !!(conf->flags & IEEE80211_CONF_IDLE);
+
 	data->channel = conf->channel;
 	if (!data->started || !data->beacon_int)
 		del_timer(&data->beacon_timer);
-- 
GitLab


From 6c085227bd7168fd84976479218f81bf35b5acd7 Mon Sep 17 00:00:00 2001
From: Jouni Malinen <j@w1.fi>
Date: Sun, 1 Nov 2009 11:31:45 +0200
Subject: [PATCH 0825/1815] mac80211_hwsim: Send ACK frames on the hwsim0
 interface

Report successful transmissions (receiver awake and on the same
channel) by generating ACK frames on the hwsim0 interface. This makes
it easier to figure out from packet capture logs whether frames were
delivered or not.

Signed-off-by: Jouni Malinen <j@w1.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mac80211_hwsim.c | 47 +++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)

diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 58c357eaf21..fc4ec48eda1 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -365,6 +365,49 @@ static void mac80211_hwsim_monitor_rx(struct ieee80211_hw *hw,
 }
 
 
+static void mac80211_hwsim_monitor_ack(struct ieee80211_hw *hw, const u8 *addr)
+{
+	struct mac80211_hwsim_data *data = hw->priv;
+	struct sk_buff *skb;
+	struct hwsim_radiotap_hdr *hdr;
+	u16 flags;
+	struct ieee80211_hdr *hdr11;
+
+	if (!netif_running(hwsim_mon))
+		return;
+
+	skb = dev_alloc_skb(100);
+	if (skb == NULL)
+		return;
+
+	hdr = (struct hwsim_radiotap_hdr *) skb_put(skb, sizeof(*hdr));
+	hdr->hdr.it_version = PKTHDR_RADIOTAP_VERSION;
+	hdr->hdr.it_pad = 0;
+	hdr->hdr.it_len = cpu_to_le16(sizeof(*hdr));
+	hdr->hdr.it_present = cpu_to_le32((1 << IEEE80211_RADIOTAP_FLAGS) |
+					  (1 << IEEE80211_RADIOTAP_CHANNEL));
+	hdr->rt_flags = 0;
+	hdr->rt_rate = 0;
+	hdr->rt_channel = cpu_to_le16(data->channel->center_freq);
+	flags = IEEE80211_CHAN_2GHZ;
+	hdr->rt_chbitmask = cpu_to_le16(flags);
+
+	hdr11 = (struct ieee80211_hdr *) skb_put(skb, 10);
+	hdr11->frame_control = cpu_to_le16(IEEE80211_FTYPE_CTL |
+					   IEEE80211_STYPE_ACK);
+	hdr11->duration_id = cpu_to_le16(0);
+	memcpy(hdr11->addr1, addr, ETH_ALEN);
+
+	skb->dev = hwsim_mon;
+	skb_set_mac_header(skb, 0);
+	skb->ip_summed = CHECKSUM_UNNECESSARY;
+	skb->pkt_type = PACKET_OTHERHOST;
+	skb->protocol = htons(ETH_P_802_2);
+	memset(skb->cb, 0, sizeof(skb->cb));
+	netif_rx(skb);
+}
+
+
 static bool hwsim_ps_rx_ok(struct mac80211_hwsim_data *data,
 			   struct sk_buff *skb)
 {
@@ -471,6 +514,10 @@ static int mac80211_hwsim_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
 	}
 
 	ack = mac80211_hwsim_tx_frame(hw, skb);
+	if (ack && skb->len >= 16) {
+		struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+		mac80211_hwsim_monitor_ack(hw, hdr->addr2);
+	}
 
 	txi = IEEE80211_SKB_CB(skb);
 
-- 
GitLab


From 584991dccfd347cd2e1675ab262998f6c335d3c0 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Mon, 2 Nov 2009 13:32:03 +0100
Subject: [PATCH 0826/1815] cfg80211: validate scan channels

Currently it is possible to request a scan on only
disabled channels, which could be problematic for
some drivers. Reject such scans, and also ignore
disabled channels that are given. This resuls in
the scan begin/end event only including channels
that are actually used.

This makes the mac80211 check for disabled channels
superfluous. At the same time, remove the no-IBSS
check from mac80211 -- nothing says that we should
not find any networks on channels that cannot be
used for an IBSS, even when operating in IBSS mode.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/scan.c    | 13 ++-----------
 net/wireless/nl80211.c | 34 +++++++++++++++++++++++++++-------
 net/wireless/scan.c    |  6 ++++++
 3 files changed, 35 insertions(+), 18 deletions(-)

diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 88a9a1be314..4cf387c944b 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -614,23 +614,14 @@ static void ieee80211_scan_state_set_channel(struct ieee80211_local *local,
 {
 	int skip;
 	struct ieee80211_channel *chan;
-	struct ieee80211_sub_if_data *sdata = local->scan_sdata;
 
 	skip = 0;
 	chan = local->scan_req->channels[local->scan_channel_idx];
 
-	if (chan->flags & IEEE80211_CHAN_DISABLED ||
-	    (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
-	     chan->flags & IEEE80211_CHAN_NO_IBSS))
+	local->scan_channel = chan;
+	if (ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL))
 		skip = 1;
 
-	if (!skip) {
-		local->scan_channel = chan;
-		if (ieee80211_hw_config(local,
-					IEEE80211_CONF_CHANGE_CHANNEL))
-			skip = 1;
-	}
-
 	/* advance state machine to next channel/band */
 	local->scan_channel_idx++;
 
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index f48394126bf..8ed62b6c172 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -2988,7 +2988,6 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
 		goto out;
 	}
 
-	request->n_channels = n_channels;
 	if (n_ssids)
 		request->ssids = (void *)&request->channels[n_channels];
 	request->n_ssids = n_ssids;
@@ -2999,32 +2998,53 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
 			request->ie = (void *)(request->channels + n_channels);
 	}
 
+	i = 0;
 	if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
 		/* user specified, bail out if channel not found */
-		request->n_channels = n_channels;
-		i = 0;
 		nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) {
-			request->channels[i] = ieee80211_get_channel(wiphy, nla_get_u32(attr));
-			if (!request->channels[i]) {
+			struct ieee80211_channel *chan;
+
+			chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
+
+			if (!chan) {
 				err = -EINVAL;
 				goto out_free;
 			}
+
+			/* ignore disabled channels */
+			if (chan->flags & IEEE80211_CHAN_DISABLED)
+				continue;
+
+			request->channels[i] = chan;
 			i++;
 		}
 	} else {
 		/* all channels */
-		i = 0;
 		for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
 			int j;
 			if (!wiphy->bands[band])
 				continue;
 			for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
-				request->channels[i] = &wiphy->bands[band]->channels[j];
+				struct ieee80211_channel *chan;
+
+				chan = &wiphy->bands[band]->channels[j];
+
+				if (chan->flags & IEEE80211_CHAN_DISABLED)
+					continue;
+
+				request->channels[i] = chan;
 				i++;
 			}
 		}
 	}
 
+	if (!i) {
+		err = -EINVAL;
+		goto out_free;
+	}
+
+	request->n_channels = i;
+
 	i = 0;
 	if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) {
 		nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 2e8c515f3c5..e2d344ff674 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -650,9 +650,15 @@ int cfg80211_wext_siwscan(struct net_device *dev,
 	i = 0;
 	for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
 		int j;
+
 		if (!wiphy->bands[band])
 			continue;
+
 		for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
+			/* ignore disabled channels */
+			if (wiphy->bands[band]->channels[j].flags &
+						IEEE80211_CHAN_DISABLED)
+				continue;
 
 			/* If we have a wireless request structure and the
 			 * wireless request specifies frequencies, then search
-- 
GitLab


From c6317a548d839e6f518649a4e7e9aa30b55d509a Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Mon, 2 Nov 2009 20:22:08 +0200
Subject: [PATCH 0827/1815] wl1271: Remove excess null-data template settings

The null-data template (nullfunc) is dependent on the BSSID of the
current AP only, so it needs to be updated only when the BSSID changes.

Removed excess setting of the template.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_main.c | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 86132bb0078..0ae506a2e90 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -1067,11 +1067,11 @@ static int wl1271_op_config_interface(struct ieee80211_hw *hw,
 		ret = wl1271_cmd_join(wl);
 		if (ret < 0)
 			goto out_sleep;
-	}
 
-	ret = wl1271_cmd_build_null_data(wl);
-	if (ret < 0)
-		goto out_sleep;
+		ret = wl1271_cmd_build_null_data(wl);
+		if (ret < 0)
+			goto out_sleep;
+	}
 
 	wl->ssid_len = conf->ssid_len;
 	if (wl->ssid_len)
@@ -1137,10 +1137,6 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
 		wl->channel = channel;
 	}
 
-	ret = wl1271_cmd_build_null_data(wl);
-	if (ret < 0)
-		goto out_sleep;
-
 	if (conf->flags & IEEE80211_CONF_PS && !wl->psm_requested) {
 		wl1271_info("psm enabled");
 
@@ -1165,7 +1161,7 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
 	if (conf->power_level != wl->power_level) {
 		ret = wl1271_acx_tx_power(wl, conf->power_level);
 		if (ret < 0)
-			goto out;
+			goto out_sleep;
 
 		wl->power_level = conf->power_level;
 	}
-- 
GitLab


From 605351e2220bd7960a55d6d7903f87f11f419f4e Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Mon, 2 Nov 2009 20:22:09 +0200
Subject: [PATCH 0828/1815] wl1271: Increase TX power value

Currently, to avoid distortions, the TX power level has been hardcoded
to a low value. The value is slightly too low for good functionality, so
we increase it from 7dB to 12dB.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_acx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.c b/drivers/net/wireless/wl12xx/wl1271_acx.c
index bf5a8680a46..5cc89bbdac7 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.c
@@ -141,7 +141,7 @@ int wl1271_acx_tx_power(struct wl1271 *wl, int power)
 	 * calibration, to avoid distortions
 	 */
 	/* acx->current_tx_power = power * 10; */
-	acx->current_tx_power = 70;
+	acx->current_tx_power = 120;
 
 	ret = wl1271_cmd_configure(wl, DOT11_CUR_TX_PWR, acx, sizeof(*acx));
 	if (ret < 0) {
-- 
GitLab


From 3b775b4b27818130291e7716f3ce1e24664004c9 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Mon, 2 Nov 2009 20:22:10 +0200
Subject: [PATCH 0829/1815] wl1271: Check result code of commands

Check the result code of all commands, and return an error code if the
firmware reports an error in execution. Previously this error would go
ignored in most cases.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_cmd.c  | 34 ++++++-----------------
 drivers/net/wireless/wl12xx/wl1271_init.c |  7 +++--
 2 files changed, 14 insertions(+), 27 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c
index 0666328ce9a..46e5ea48651 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.c
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c
@@ -74,6 +74,15 @@ int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len)
 		intr = wl1271_spi_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR);
 	}
 
+	/* read back the status code of the command */
+	wl1271_spi_read(wl, wl->cmd_box_addr, cmd,
+			sizeof(struct wl1271_cmd_header), false);
+
+	if (cmd->status != CMD_STATUS_SUCCESS) {
+		wl1271_error("command execute failure %d", cmd->status);
+		ret = -EIO;
+	}
+
 	wl1271_spi_write32(wl, ACX_REG_INTERRUPT_ACK,
 			   WL1271_ACX_INTR_CMD_COMPLETE);
 
@@ -306,7 +315,6 @@ int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer)
 
 	if (answer) {
 		struct wl1271_command *cmd_answer;
-		u16 status;
 
 		/*
 		 * The test command got in, we can read the answer.
@@ -316,10 +324,6 @@ int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer)
 		wl1271_spi_read(wl, wl->cmd_box_addr, buf, buf_len, false);
 
 		cmd_answer = buf;
-		status = le16_to_cpu(cmd_answer->header.status);
-
-		if (status != CMD_STATUS_SUCCESS)
-			wl1271_error("TEST command answer error: %d", status);
 	}
 
 	return 0;
@@ -354,11 +358,6 @@ int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len)
 	/* the interrogate command got in, we can read the answer */
 	wl1271_spi_read(wl, wl->cmd_box_addr, buf, len, false);
 
-	acx = buf;
-	if (le16_to_cpu(acx->cmd.status) != CMD_STATUS_SUCCESS)
-		wl1271_error("INTERROGATE command error: %d",
-			     le16_to_cpu(acx->cmd.status));
-
 out:
 	return ret;
 }
@@ -507,11 +506,6 @@ int wl1271_cmd_read_memory(struct wl1271 *wl, u32 addr, void *answer,
 
 	/* the read command got in, we can now read the answer */
 	wl1271_spi_read(wl, wl->cmd_box_addr, cmd, sizeof(*cmd), false);
-
-	if (le16_to_cpu(cmd->header.status) != CMD_STATUS_SUCCESS)
-		wl1271_error("error in read command result: %d",
-			     le16_to_cpu(cmd->header.status));
-
 	memcpy(answer, cmd->value, len);
 
 out:
@@ -639,17 +633,7 @@ int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len,
 	ret = wl1271_cmd_send(wl, CMD_SCAN, params, sizeof(*params));
 	if (ret < 0) {
 		wl1271_error("SCAN failed");
-		goto out;
-	}
-
-	wl1271_spi_read(wl, wl->cmd_box_addr, params, sizeof(*params),
-			false);
-
-	if (le16_to_cpu(params->header.status) != CMD_STATUS_SUCCESS) {
-		wl1271_error("Scan command error: %d",
-			     le16_to_cpu(params->header.status));
 		wl->scanning = false;
-		ret = -EIO;
 		goto out;
 	}
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_init.c b/drivers/net/wireless/wl12xx/wl1271_init.c
index 417b4152feb..7c2017f480e 100644
--- a/drivers/net/wireless/wl12xx/wl1271_init.c
+++ b/drivers/net/wireless/wl12xx/wl1271_init.c
@@ -303,12 +303,15 @@ int wl1271_hw_init(struct wl1271 *wl)
 {
 	int ret;
 
+	/* FIXME: the following parameter setting functions return error
+	 * codes - the reason is so far unknown. The -EIO is therefore
+	 * ignored for the time being. */
 	ret = wl1271_init_general_parms(wl);
-	if (ret < 0)
+	if (ret < 0 && ret != -EIO)
 		return ret;
 
 	ret = wl1271_init_radio_parms(wl);
-	if (ret < 0)
+	if (ret < 0 && ret != -EIO)
 		return ret;
 
 	/* Template settings */
-- 
GitLab


From 19ad0715d8d9acc259ef02f83df767df2cf1eafe Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Mon, 2 Nov 2009 20:22:11 +0200
Subject: [PATCH 0830/1815] wl1271: Add retry implementation for PSM entries

PSM entries can fail (transmitting the corresponding null-func may not
be heard by the AP.) Previously, this scenario was not detected, and
out-of-sync between STA and AP could occur.

Add retry implementation for the entries to recover from the situation.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271.h       |  3 ++
 drivers/net/wireless/wl12xx/wl1271_boot.c  |  3 +-
 drivers/net/wireless/wl12xx/wl1271_conf.h  |  8 ++++
 drivers/net/wireless/wl12xx/wl1271_event.c | 53 ++++++++++++++++++++++
 drivers/net/wireless/wl12xx/wl1271_event.h |  7 +++
 drivers/net/wireless/wl12xx/wl1271_main.c  |  5 +-
 6 files changed, 77 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h
index 566f1521ec2..94359b1a861 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl1271.h
@@ -417,6 +417,9 @@ struct wl1271 {
 	/* PSM mode requested */
 	bool psm_requested;
 
+	/* retry counter for PSM entries */
+	u8 psm_entry_retry;
+
 	/* in dBm */
 	int power_level;
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.c b/drivers/net/wireless/wl12xx/wl1271_boot.c
index 8678bea05ed..b7c96454cca 100644
--- a/drivers/net/wireless/wl12xx/wl1271_boot.c
+++ b/drivers/net/wireless/wl12xx/wl1271_boot.c
@@ -407,7 +407,8 @@ static int wl1271_boot_run_firmware(struct wl1271 *wl)
 
 	/* unmask required mbox events  */
 	wl->event_mask = BSS_LOSE_EVENT_ID |
-		SCAN_COMPLETE_EVENT_ID;
+		SCAN_COMPLETE_EVENT_ID |
+		PS_REPORT_EVENT_ID;
 
 	ret = wl1271_event_unmask(wl);
 	if (ret < 0) {
diff --git a/drivers/net/wireless/wl12xx/wl1271_conf.h b/drivers/net/wireless/wl12xx/wl1271_conf.h
index 061d47520a3..565373ede26 100644
--- a/drivers/net/wireless/wl12xx/wl1271_conf.h
+++ b/drivers/net/wireless/wl12xx/wl1271_conf.h
@@ -712,6 +712,14 @@ struct conf_conn_settings {
 	 * Range 0 - 255
 	 */
 	u8 bet_max_consecutive;
+
+	/*
+	 * Specifies the maximum number of times to try PSM entry if it fails
+	 * (if sending the appropriate null-func message fails.)
+	 *
+	 * Range 0 - 255
+	 */
+	u8 psm_entry_retries;
 };
 
 #define CONF_SR_ERR_TBL_MAX_VALUES   14
diff --git a/drivers/net/wireless/wl12xx/wl1271_event.c b/drivers/net/wireless/wl12xx/wl1271_event.c
index 31d396ba918..e135d894b42 100644
--- a/drivers/net/wireless/wl12xx/wl1271_event.c
+++ b/drivers/net/wireless/wl12xx/wl1271_event.c
@@ -68,6 +68,40 @@ static int wl1271_event_scan_complete(struct wl1271 *wl,
 	return 0;
 }
 
+static int wl1271_event_ps_report(struct wl1271 *wl,
+				  struct event_mailbox *mbox,
+				  bool *beacon_loss)
+{
+	int ret = 0;
+
+	wl1271_debug(DEBUG_EVENT, "ps_status: 0x%x", mbox->ps_status);
+
+	switch (mbox->ps_status) {
+	case EVENT_ENTER_POWER_SAVE_FAIL:
+		if (wl->psm_entry_retry < wl->conf.conn.psm_entry_retries) {
+			wl->psm_entry_retry++;
+			wl1271_error("PSM entry failed, retrying %d\n",
+				     wl->psm_entry_retry);
+			ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE);
+		} else {
+			wl->psm_entry_retry = 0;
+			*beacon_loss = true;
+		}
+		break;
+	case EVENT_ENTER_POWER_SAVE_SUCCESS:
+		wl->psm_entry_retry = 0;
+		break;
+	case EVENT_EXIT_POWER_SAVE_FAIL:
+		wl1271_info("PSM exit failed");
+		break;
+	case EVENT_EXIT_POWER_SAVE_SUCCESS:
+	default:
+		break;
+	}
+
+	return ret;
+}
+
 static void wl1271_event_mbox_dump(struct event_mailbox *mbox)
 {
 	wl1271_debug(DEBUG_EVENT, "MBOX DUMP:");
@@ -79,6 +113,7 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox)
 {
 	int ret;
 	u32 vector;
+	bool beacon_loss = false;
 
 	wl1271_event_mbox_dump(mbox);
 
@@ -101,7 +136,25 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox)
 		wl1271_debug(DEBUG_EVENT, "BSS_LOSE_EVENT");
 
 		/* indicate to the stack, that beacons have been lost */
+		beacon_loss = true;
+	}
+
+	if (vector & PS_REPORT_EVENT_ID) {
+		wl1271_debug(DEBUG_EVENT, "PS_REPORT_EVENT");
+		ret = wl1271_event_ps_report(wl, mbox, &beacon_loss);
+		if (ret < 0)
+			return ret;
+	}
+
+	if (beacon_loss) {
+		/* Obviously, it's dangerous to release the mutex while
+		   we are holding many of the variables in the wl struct.
+		   That's why it's done last in the function, and care must
+		   be taken that nothing more is done after this function
+		   returns. */
+		mutex_unlock(&wl->mutex);
 		ieee80211_beacon_loss(wl->vif);
+		mutex_lock(&wl->mutex);
 	}
 
 	return 0;
diff --git a/drivers/net/wireless/wl12xx/wl1271_event.h b/drivers/net/wireless/wl12xx/wl1271_event.h
index 3ab53d331f1..4e3f55ebb1a 100644
--- a/drivers/net/wireless/wl12xx/wl1271_event.h
+++ b/drivers/net/wireless/wl12xx/wl1271_event.h
@@ -63,6 +63,13 @@ enum {
 	EVENT_MBOX_ALL_EVENT_ID			 = 0x7fffffff,
 };
 
+enum {
+	EVENT_ENTER_POWER_SAVE_FAIL = 0,
+	EVENT_ENTER_POWER_SAVE_SUCCESS,
+	EVENT_EXIT_POWER_SAVE_FAIL,
+	EVENT_EXIT_POWER_SAVE_SUCCESS,
+};
+
 struct event_debug_report {
 	u8 debug_event_id;
 	u8 num_params;
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 0ae506a2e90..d2149fcd3cf 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -222,7 +222,8 @@ static struct conf_drv_settings default_conf = {
 			.snr_pkt_avg_weight  = 10
 		},
 		.bet_enable                  = CONF_BET_MODE_ENABLE,
-		.bet_max_consecutive         = 100
+		.bet_max_consecutive         = 100,
+		.psm_entry_retries           = 3
 	},
 	.init = {
 		.sr_err_tbl = {
@@ -973,6 +974,7 @@ static void wl1271_op_stop(struct ieee80211_hw *hw)
 	wl->rx_counter = 0;
 	wl->elp = false;
 	wl->psm = 0;
+	wl->psm_entry_retry = 0;
 	wl->tx_queue_stopped = false;
 	wl->power_level = WL1271_DEFAULT_POWER_LEVEL;
 	wl->tx_blocks_available = 0;
@@ -1822,6 +1824,7 @@ static int __devinit wl1271_probe(struct spi_device *spi)
 	wl->elp = false;
 	wl->psm = 0;
 	wl->psm_requested = false;
+	wl->psm_entry_retry = 0;
 	wl->tx_queue_stopped = false;
 	wl->power_level = WL1271_DEFAULT_POWER_LEVEL;
 	wl->basic_rate_set = WL1271_DEFAULT_BASIC_RATE_SET;
-- 
GitLab


From ad150e966e987edcf737e1871d9e44a30d1aa58d Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Mon, 2 Nov 2009 20:22:12 +0200
Subject: [PATCH 0831/1815] wl1271: Correct endianness-handling of command
 status

Correct the endianness-handling of the firmware command result status handling
code.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_cmd.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c
index 46e5ea48651..8acee5cf0e6 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.c
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c
@@ -48,6 +48,7 @@ int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len)
 	unsigned long timeout;
 	u32 intr;
 	int ret = 0;
+	u16 status;
 
 	cmd = buf;
 	cmd->id = cpu_to_le16(id);
@@ -78,8 +79,9 @@ int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len)
 	wl1271_spi_read(wl, wl->cmd_box_addr, cmd,
 			sizeof(struct wl1271_cmd_header), false);
 
-	if (cmd->status != CMD_STATUS_SUCCESS) {
-		wl1271_error("command execute failure %d", cmd->status);
+	status = le16_to_cpu(cmd->status);
+	if (status != CMD_STATUS_SUCCESS) {
+		wl1271_error("command execute failure %d", status);
 		ret = -EIO;
 	}
 
-- 
GitLab


From fa867e7355a1bdcd9bf7d55ebe9296f5b9c4028a Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Mon, 2 Nov 2009 20:22:13 +0200
Subject: [PATCH 0832/1815] wl1271: Generalize command response reading

Responses to firmware commands are read in by the command transmission
function, as part of command flow. Previously responses were read in
multiple places.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_cmd.c | 67 ++++++++++--------------
 drivers/net/wireless/wl12xx/wl1271_cmd.h |  3 +-
 2 files changed, 29 insertions(+), 41 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c
index 8acee5cf0e6..990eb01b4c7 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.c
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c
@@ -42,7 +42,8 @@
  * @buf: buffer containing the command, must work with dma
  * @len: length of the buffer
  */
-int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len)
+int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len,
+		    size_t res_len)
 {
 	struct wl1271_cmd_header *cmd;
 	unsigned long timeout;
@@ -76,8 +77,9 @@ int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len)
 	}
 
 	/* read back the status code of the command */
-	wl1271_spi_read(wl, wl->cmd_box_addr, cmd,
-			sizeof(struct wl1271_cmd_header), false);
+	if (res_len == 0)
+		res_len = sizeof(struct wl1271_cmd_header);
+	wl1271_spi_read(wl, wl->cmd_box_addr, cmd, res_len, false);
 
 	status = le16_to_cpu(cmd->status);
 	if (status != CMD_STATUS_SUCCESS) {
@@ -273,7 +275,7 @@ int wl1271_cmd_join(struct wl1271 *wl)
 	wl->tx_security_seq_16 = 0;
 	wl->tx_security_seq_32 = 0;
 
-	ret = wl1271_cmd_send(wl, CMD_START_JOIN, join, sizeof(*join));
+	ret = wl1271_cmd_send(wl, CMD_START_JOIN, join, sizeof(*join), 0);
 	if (ret < 0) {
 		wl1271_error("failed to initiate cmd join");
 		goto out_free;
@@ -305,30 +307,21 @@ out:
 int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer)
 {
 	int ret;
+	size_t res_len = 0;
 
 	wl1271_debug(DEBUG_CMD, "cmd test");
 
-	ret = wl1271_cmd_send(wl, CMD_TEST, buf, buf_len);
+	if (answer)
+		res_len = buf_len;
+
+	ret = wl1271_cmd_send(wl, CMD_TEST, buf, buf_len, res_len);
 
 	if (ret < 0) {
 		wl1271_warning("TEST command failed");
 		return ret;
 	}
 
-	if (answer) {
-		struct wl1271_command *cmd_answer;
-
-		/*
-		 * The test command got in, we can read the answer.
-		 * The answer would be a wl1271_command, where the
-		 * parameter array contains the actual answer.
-		 */
-		wl1271_spi_read(wl, wl->cmd_box_addr, buf, buf_len, false);
-
-		cmd_answer = buf;
-	}
-
-	return 0;
+	return ret;
 }
 
 /**
@@ -351,16 +344,10 @@ int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len)
 	/* payload length, does not include any headers */
 	acx->len = cpu_to_le16(len - sizeof(*acx));
 
-	ret = wl1271_cmd_send(wl, CMD_INTERROGATE, acx, sizeof(*acx));
-	if (ret < 0) {
+	ret = wl1271_cmd_send(wl, CMD_INTERROGATE, acx, sizeof(*acx), len);
+	if (ret < 0)
 		wl1271_error("INTERROGATE command failed");
-		goto out;
-	}
-
-	/* the interrogate command got in, we can read the answer */
-	wl1271_spi_read(wl, wl->cmd_box_addr, buf, len, false);
 
-out:
 	return ret;
 }
 
@@ -384,7 +371,7 @@ int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len)
 	/* payload length, does not include any headers */
 	acx->len = cpu_to_le16(len - sizeof(*acx));
 
-	ret = wl1271_cmd_send(wl, CMD_CONFIGURE, acx, len);
+	ret = wl1271_cmd_send(wl, CMD_CONFIGURE, acx, len, 0);
 	if (ret < 0) {
 		wl1271_warning("CONFIGURE command NOK");
 		return ret;
@@ -417,7 +404,7 @@ int wl1271_cmd_data_path(struct wl1271 *wl, u8 channel, bool enable)
 		cmd_tx = CMD_DISABLE_TX;
 	}
 
-	ret = wl1271_cmd_send(wl, cmd_rx, cmd, sizeof(*cmd));
+	ret = wl1271_cmd_send(wl, cmd_rx, cmd, sizeof(*cmd), 0);
 	if (ret < 0) {
 		wl1271_error("rx %s cmd for channel %d failed",
 			     enable ? "start" : "stop", channel);
@@ -427,7 +414,7 @@ int wl1271_cmd_data_path(struct wl1271 *wl, u8 channel, bool enable)
 	wl1271_debug(DEBUG_BOOT, "rx %s cmd channel %d",
 		     enable ? "start" : "stop", channel);
 
-	ret = wl1271_cmd_send(wl, cmd_tx, cmd, sizeof(*cmd));
+	ret = wl1271_cmd_send(wl, cmd_tx, cmd, sizeof(*cmd), 0);
 	if (ret < 0) {
 		wl1271_error("tx %s cmd for channel %d failed",
 			     enable ? "start" : "stop", channel);
@@ -469,7 +456,7 @@ int wl1271_cmd_ps_mode(struct wl1271 *wl, u8 ps_mode)
 	ps_params->null_data_rate = cpu_to_le32(1); /* 1 Mbps */
 
 	ret = wl1271_cmd_send(wl, CMD_SET_PS_MODE, ps_params,
-			      sizeof(*ps_params));
+			      sizeof(*ps_params), 0);
 	if (ret < 0) {
 		wl1271_error("cmd set_ps_mode failed");
 		goto out;
@@ -500,14 +487,14 @@ int wl1271_cmd_read_memory(struct wl1271 *wl, u32 addr, void *answer,
 	cmd->addr = cpu_to_le32(addr);
 	cmd->size = cpu_to_le32(len);
 
-	ret = wl1271_cmd_send(wl, CMD_READ_MEMORY, cmd, sizeof(*cmd));
+	ret = wl1271_cmd_send(wl, CMD_READ_MEMORY, cmd, sizeof(*cmd),
+			      sizeof(*cmd));
 	if (ret < 0) {
 		wl1271_error("read memory command failed: %d", ret);
 		goto out;
 	}
 
-	/* the read command got in, we can now read the answer */
-	wl1271_spi_read(wl, wl->cmd_box_addr, cmd, sizeof(*cmd), false);
+	/* the read command got in */
 	memcpy(answer, cmd->value, len);
 
 out:
@@ -609,7 +596,7 @@ int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len,
 	trigger->timeout = 0;
 
 	ret = wl1271_cmd_send(wl, CMD_TRIGGER_SCAN_TO, trigger,
-			      sizeof(*trigger));
+			      sizeof(*trigger), 0);
 	if (ret < 0) {
 		wl1271_error("trigger scan to failed for hw scan");
 		goto out;
@@ -632,7 +619,7 @@ int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len,
 		}
 	}
 
-	ret = wl1271_cmd_send(wl, CMD_SCAN, params, sizeof(*params));
+	ret = wl1271_cmd_send(wl, CMD_SCAN, params, sizeof(*params), 0);
 	if (ret < 0) {
 		wl1271_error("SCAN failed");
 		wl->scanning = false;
@@ -670,7 +657,7 @@ int wl1271_cmd_template_set(struct wl1271 *wl, u16 template_id,
 	if (buf)
 		memcpy(cmd->template_data, buf, buf_len);
 
-	ret = wl1271_cmd_send(wl, CMD_SET_TEMPLATE, cmd, sizeof(*cmd));
+	ret = wl1271_cmd_send(wl, CMD_SET_TEMPLATE, cmd, sizeof(*cmd), 0);
 	if (ret < 0) {
 		wl1271_warning("cmd set_template failed: %d", ret);
 		goto out_free;
@@ -849,7 +836,7 @@ int wl1271_cmd_set_default_wep_key(struct wl1271 *wl, u8 id)
 	cmd->key_action = cpu_to_le16(KEY_SET_ID);
 	cmd->key_type = KEY_WEP;
 
-	ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd));
+	ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0);
 	if (ret < 0) {
 		wl1271_warning("cmd set_default_wep_key failed: %d", ret);
 		goto out;
@@ -906,7 +893,7 @@ int wl1271_cmd_set_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type,
 
 	wl1271_dump(DEBUG_CRYPT, "TARGET KEY: ", cmd, sizeof(*cmd));
 
-	ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd));
+	ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0);
 	if (ret < 0) {
 		wl1271_warning("could not set keys");
 		goto out;
@@ -936,7 +923,7 @@ int wl1271_cmd_disconnect(struct wl1271 *wl)
 	/* disconnect reason is not used in immediate disconnections */
 	cmd->type = DISCONNECT_IMMEDIATE;
 
-	ret = wl1271_cmd_send(wl, CMD_DISCONNECT, cmd, sizeof(*cmd));
+	ret = wl1271_cmd_send(wl, CMD_DISCONNECT, cmd, sizeof(*cmd), 0);
 	if (ret < 0) {
 		wl1271_error("failed to send disconnect command");
 		goto out_free;
diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.h b/drivers/net/wireless/wl12xx/wl1271_cmd.h
index 174b8209dbf..9d7061b3c8a 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.h
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.h
@@ -29,7 +29,8 @@
 
 struct acx_header;
 
-int wl1271_cmd_send(struct wl1271 *wl, u16 type, void *buf, size_t buf_len);
+int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len,
+		    size_t res_len);
 int wl1271_cmd_join(struct wl1271 *wl);
 int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer);
 int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len);
-- 
GitLab


From 0e1406dd404ce55dbe8d68b4b5e2aed7e5c75fdb Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Mon, 2 Nov 2009 12:33:33 +0000
Subject: [PATCH 0833/1815] tg3: Assign flags to fixes in start_xmit_dma_bug

This patch adds a flag for each bug workaround in
tg3_start_xmit_dma_bug().  This is prep work for the following patch.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 26 +++++++++++++++++++-------
 drivers/net/tg3.h |  2 ++
 2 files changed, 21 insertions(+), 7 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index ba5d3fe753b..da808250c86 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -5124,7 +5124,8 @@ static int tigon3_dma_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
 		/* Make sure new skb does not cross any 4G boundaries.
 		 * Drop the packet if it does.
 		 */
-		if (ret || tg3_4g_overflow_test(new_addr, new_skb->len)) {
+		if (ret || ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
+			    tg3_4g_overflow_test(new_addr, new_skb->len))) {
 			if (!ret)
 				skb_dma_unmap(&tp->pdev->dev, new_skb,
 					      DMA_TO_DEVICE);
@@ -5459,9 +5460,15 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
 
 	would_hit_hwbug = 0;
 
-	if (tp->tg3_flags3 & TG3_FLG3_5701_DMA_BUG)
+	if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
+	    tg3_4g_overflow_test(mapping, len))
+		would_hit_hwbug = 1;
+
+	if ((tp->tg3_flags3 & TG3_FLG3_40BIT_DMA_LIMIT_BUG) &&
+	    tg3_40bit_overflow_test(tp, mapping, len))
 		would_hit_hwbug = 1;
-	else if (tg3_4g_overflow_test(mapping, len))
+
+	if (tp->tg3_flags3 & TG3_FLG3_5701_DMA_BUG)
 		would_hit_hwbug = 1;
 
 	tg3_set_txd(tnapi, entry, mapping, len, base_flags,
@@ -5482,10 +5489,12 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
 
 			tnapi->tx_buffers[entry].skb = NULL;
 
-			if (tg3_4g_overflow_test(mapping, len))
+			if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
+			    tg3_4g_overflow_test(mapping, len))
 				would_hit_hwbug = 1;
 
-			if (tg3_40bit_overflow_test(tp, mapping, len))
+			if ((tp->tg3_flags3 & TG3_FLG3_40BIT_DMA_LIMIT_BUG) &&
+			    tg3_40bit_overflow_test(tp, mapping, len))
 				would_hit_hwbug = 1;
 
 			if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
@@ -12610,12 +12619,15 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
 
 	tp->irq_max = 1;
 
-#ifdef TG3_NAPI
 	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
 		tp->tg3_flags |= TG3_FLAG_SUPPORT_MSIX;
 		tp->irq_max = TG3_IRQ_MAX_VECS;
 	}
-#endif
+
+	if (!(tp->tg3_flags3 & TG3_FLG3_5755_PLUS)) {
+		tp->tg3_flags3 |= TG3_FLG3_4G_DMA_BNDRY_BUG;
+		tp->tg3_flags3 |= TG3_FLG3_40BIT_DMA_LIMIT_BUG;
+	}
 
 	if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
 	     (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index bab7940158e..b603810b4e9 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2759,6 +2759,8 @@ struct tg3 {
 #define TG3_FLG3_TOGGLE_10_100_L1PLLPD	0x00008000
 #define TG3_FLG3_PHY_IS_FET		0x00010000
 #define TG3_FLG3_ENABLE_RSS		0x00020000
+#define TG3_FLG3_4G_DMA_BNDRY_BUG	0x00080000
+#define TG3_FLG3_40BIT_DMA_LIMIT_BUG	0x00100000
 
 	struct timer_list		timer;
 	u16				timer_counter;
-- 
GitLab


From 92c6b8d16a36df3f28b2537bed2a56491fb08f11 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Mon, 2 Nov 2009 14:23:27 +0000
Subject: [PATCH 0834/1815] tg3: Fix 5906 transmit hangs

The 5906 has trouble with fragments that are less than 8 bytes in size.
This patch works around the problem by pivoting the 5906's transmit
routine to tg3_start_xmit_dma_bug() and introducing a new SHORT_DMA_BUG
flag that enables code to detect and react to the problematic condition.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 26 +++++++++++++++++++-------
 drivers/net/tg3.h |  1 +
 2 files changed, 20 insertions(+), 7 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index da808250c86..a7a582e3746 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -5393,7 +5393,7 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
 	mss = 0;
 	if ((mss = skb_shinfo(skb)->gso_size) != 0) {
 		struct iphdr *iph;
-		int tcp_opt_len, ip_tcp_len, hdr_len;
+		u32 tcp_opt_len, ip_tcp_len, hdr_len;
 
 		if (skb_header_cloned(skb) &&
 		    pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
@@ -5424,8 +5424,10 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
 								 IPPROTO_TCP,
 								 0);
 
-		if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
-		    (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)) {
+		if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_2)
+			mss |= hdr_len << 9;
+		else if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_1) ||
+			 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
 			if (tcp_opt_len || iph->ihl > 5) {
 				int tsflags;
 
@@ -5460,6 +5462,9 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
 
 	would_hit_hwbug = 0;
 
+	if ((tp->tg3_flags3 & TG3_FLG3_SHORT_DMA_BUG) && len <= 8)
+		would_hit_hwbug = 1;
+
 	if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
 	    tg3_4g_overflow_test(mapping, len))
 		would_hit_hwbug = 1;
@@ -5489,6 +5494,10 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
 
 			tnapi->tx_buffers[entry].skb = NULL;
 
+			if ((tp->tg3_flags3 & TG3_FLG3_SHORT_DMA_BUG) &&
+			    len <= 8)
+				would_hit_hwbug = 1;
+
 			if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
 			    tg3_4g_overflow_test(mapping, len))
 				would_hit_hwbug = 1;
@@ -12625,8 +12634,12 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
 	}
 
 	if (!(tp->tg3_flags3 & TG3_FLG3_5755_PLUS)) {
-		tp->tg3_flags3 |= TG3_FLG3_4G_DMA_BNDRY_BUG;
-		tp->tg3_flags3 |= TG3_FLG3_40BIT_DMA_LIMIT_BUG;
+		if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
+			tp->tg3_flags3 |= TG3_FLG3_SHORT_DMA_BUG;
+		else {
+			tp->tg3_flags3 |= TG3_FLG3_4G_DMA_BNDRY_BUG;
+			tp->tg3_flags3 |= TG3_FLG3_40BIT_DMA_LIMIT_BUG;
+		}
 	}
 
 	if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
@@ -13987,8 +14000,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
 		goto err_out_iounmap;
 	}
 
-	if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
-	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
+	if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
 		dev->netdev_ops = &tg3_netdev_ops;
 	else
 		dev->netdev_ops = &tg3_netdev_ops_dma_bug;
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index b603810b4e9..a5568a14974 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2761,6 +2761,7 @@ struct tg3 {
 #define TG3_FLG3_ENABLE_RSS		0x00020000
 #define TG3_FLG3_4G_DMA_BNDRY_BUG	0x00080000
 #define TG3_FLG3_40BIT_DMA_LIMIT_BUG	0x00100000
+#define TG3_FLG3_SHORT_DMA_BUG		0x00200000
 
 	struct timer_list		timer;
 	u16				timer_counter;
-- 
GitLab


From f40386c8452f9eead9c5906bfffaaf59f3dc748f Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Mon, 2 Nov 2009 14:24:02 +0000
Subject: [PATCH 0835/1815] tg3: Fix disappearing 57780 devices

Under certain power saving conditions, 57780 asic rev devices might
disappear from the system.  The fix is to disallow the PCIe PLL from
powering down.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 24 ++----------------------
 drivers/net/tg3.h |  1 -
 2 files changed, 2 insertions(+), 23 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index a7a582e3746..b3c5d74022f 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -3243,15 +3243,6 @@ relink:
 			pci_write_config_word(tp->pdev,
 					      tp->pcie_cap + PCI_EXP_LNKCTL,
 					      newlnkctl);
-	} else if (tp->tg3_flags3 & TG3_FLG3_TOGGLE_10_100_L1PLLPD) {
-		u32 newreg, oldreg = tr32(TG3_PCIE_LNKCTL);
-		if (tp->link_config.active_speed == SPEED_100 ||
-		    tp->link_config.active_speed == SPEED_10)
-			newreg = oldreg & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
-		else
-			newreg = oldreg | TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
-		if (newreg != oldreg)
-			tw32(TG3_PCIE_LNKCTL, newreg);
 	}
 
 	if (current_link_up != netif_carrier_ok(tp->dev)) {
@@ -7180,15 +7171,9 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
 		tw32(TG3_PCIE_EIDLE_DELAY, val | TG3_PCIE_EIDLE_DELAY_13_CLKS);
 
 		tw32(TG3_CORR_ERR_STAT, TG3_CORR_ERR_STAT_CLEAR);
-	}
 
-	if (tp->tg3_flags3 & TG3_FLG3_TOGGLE_10_100_L1PLLPD) {
-		val = tr32(TG3_PCIE_LNKCTL);
-		if (tp->tg3_flags3 & TG3_FLG3_CLKREQ_BUG)
-			val |= TG3_PCIE_LNKCTL_L1_PLL_PD_DIS;
-		else
-			val &= ~TG3_PCIE_LNKCTL_L1_PLL_PD_DIS;
-		tw32(TG3_PCIE_LNKCTL, val);
+		val = tr32(TG3_PCIE_LNKCTL) & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
+		tw32(TG3_PCIE_LNKCTL, val | TG3_PCIE_LNKCTL_L1_PLL_PD_DIS);
 	}
 
 	/* This works around an issue with Athlon chipsets on
@@ -12951,11 +12936,6 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
 	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
 		tp->tg3_flags3 |= TG3_FLG3_USE_PHYLIB;
 
-	if ((tp->pci_chip_rev_id == CHIPREV_ID_57780_A1 &&
-	     tr32(RCVLPC_STATS_ENABLE) & RCVLPC_STATSENAB_ASF_FIX) ||
-	    tp->pci_chip_rev_id == CHIPREV_ID_57780_A0)
-		tp->tg3_flags3 |= TG3_FLG3_TOGGLE_10_100_L1PLLPD;
-
 	err = tg3_mdio_init(tp);
 	if (err)
 		return err;
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index a5568a14974..eb4ed82d71e 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2756,7 +2756,6 @@ struct tg3 {
 #define TG3_FLG3_PHY_ENABLE_APD		0x00001000
 #define TG3_FLG3_5755_PLUS		0x00002000
 #define TG3_FLG3_NO_NVRAM		0x00004000
-#define TG3_FLG3_TOGGLE_10_100_L1PLLPD	0x00008000
 #define TG3_FLG3_PHY_IS_FET		0x00010000
 #define TG3_FLG3_ENABLE_RSS		0x00020000
 #define TG3_FLG3_4G_DMA_BNDRY_BUG	0x00080000
-- 
GitLab


From 3f0e3ad72393db9c2932a2ca86cc1a49294bbc63 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Mon, 2 Nov 2009 14:24:36 +0000
Subject: [PATCH 0836/1815] tg3: Convert PHY_ADDR => TG3_PHY_MII_ADDR

This patch renames the PHY_ADDR preprocessor definition.  The following
patch will identify a new member on the MDIO bus, so we want this
preprocessor definition to be a little more descriptive.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 51 +++++++++++++++++++++++++++--------------------
 drivers/net/tg3.h |  2 +-
 2 files changed, 30 insertions(+), 23 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index b3c5d74022f..1c53250e400 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -937,7 +937,7 @@ static void tg3_mdio_config_5785(struct tg3 *tp)
 	u32 val;
 	struct phy_device *phydev;
 
-	phydev = tp->mdio_bus->phy_map[PHY_ADDR];
+	phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
 	switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
 	case TG3_PHY_ID_BCM50610:
 		val = MAC_PHYCFG2_50610_LED_MODES;
@@ -1031,7 +1031,7 @@ static void tg3_mdio_start(struct tg3 *tp)
 		if (is_serdes)
 			tp->phy_addr += 7;
 	} else
-		tp->phy_addr = PHY_ADDR;
+		tp->phy_addr = TG3_PHY_MII_ADDR;
 
 	if ((tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) &&
 	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
@@ -1062,7 +1062,7 @@ static int tg3_mdio_init(struct tg3 *tp)
 	tp->mdio_bus->read     = &tg3_mdio_read;
 	tp->mdio_bus->write    = &tg3_mdio_write;
 	tp->mdio_bus->reset    = &tg3_mdio_reset;
-	tp->mdio_bus->phy_mask = ~(1 << PHY_ADDR);
+	tp->mdio_bus->phy_mask = ~(1 << TG3_PHY_MII_ADDR);
 	tp->mdio_bus->irq      = &tp->mdio_irq[0];
 
 	for (i = 0; i < PHY_MAX_ADDR; i++)
@@ -1084,7 +1084,7 @@ static int tg3_mdio_init(struct tg3 *tp)
 		return i;
 	}
 
-	phydev = tp->mdio_bus->phy_map[PHY_ADDR];
+	phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
 
 	if (!phydev || !phydev->drv) {
 		printk(KERN_WARNING "%s: No PHY devices\n", tp->dev->name);
@@ -1311,7 +1311,7 @@ static void tg3_setup_flow_control(struct tg3 *tp, u32 lcladv, u32 rmtadv)
 	u32 old_tx_mode = tp->tx_mode;
 
 	if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)
-		autoneg = tp->mdio_bus->phy_map[PHY_ADDR]->autoneg;
+		autoneg = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]->autoneg;
 	else
 		autoneg = tp->link_config.autoneg;
 
@@ -1348,7 +1348,7 @@ static void tg3_adjust_link(struct net_device *dev)
 	u8 oldflowctrl, linkmesg = 0;
 	u32 mac_mode, lcl_adv, rmt_adv;
 	struct tg3 *tp = netdev_priv(dev);
-	struct phy_device *phydev = tp->mdio_bus->phy_map[PHY_ADDR];
+	struct phy_device *phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
 
 	spin_lock_bh(&tp->lock);
 
@@ -1434,7 +1434,7 @@ static int tg3_phy_init(struct tg3 *tp)
 	/* Bring the PHY back to a known state. */
 	tg3_bmcr_reset(tp);
 
-	phydev = tp->mdio_bus->phy_map[PHY_ADDR];
+	phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
 
 	/* Attach the MAC to the PHY. */
 	phydev = phy_connect(tp->dev, dev_name(&phydev->dev), tg3_adjust_link,
@@ -1461,7 +1461,7 @@ static int tg3_phy_init(struct tg3 *tp)
 				      SUPPORTED_Asym_Pause);
 		break;
 	default:
-		phy_disconnect(tp->mdio_bus->phy_map[PHY_ADDR]);
+		phy_disconnect(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
 		return -EINVAL;
 	}
 
@@ -1479,7 +1479,7 @@ static void tg3_phy_start(struct tg3 *tp)
 	if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
 		return;
 
-	phydev = tp->mdio_bus->phy_map[PHY_ADDR];
+	phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
 
 	if (tp->link_config.phy_is_low_power) {
 		tp->link_config.phy_is_low_power = 0;
@@ -1499,13 +1499,13 @@ static void tg3_phy_stop(struct tg3 *tp)
 	if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
 		return;
 
-	phy_stop(tp->mdio_bus->phy_map[PHY_ADDR]);
+	phy_stop(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
 }
 
 static void tg3_phy_fini(struct tg3 *tp)
 {
 	if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
-		phy_disconnect(tp->mdio_bus->phy_map[PHY_ADDR]);
+		phy_disconnect(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
 		tp->tg3_flags3 &= ~TG3_FLG3_PHY_CONNECTED;
 	}
 }
@@ -2474,7 +2474,7 @@ static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
 			struct phy_device *phydev;
 			u32 phyid, advertising;
 
-			phydev = tp->mdio_bus->phy_map[PHY_ADDR];
+			phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
 
 			tp->link_config.phy_is_low_power = 1;
 
@@ -9243,9 +9243,11 @@ static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
 	struct tg3 *tp = netdev_priv(dev);
 
 	if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
+		struct phy_device *phydev;
 		if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
 			return -EAGAIN;
-		return phy_ethtool_gset(tp->mdio_bus->phy_map[PHY_ADDR], cmd);
+		phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
+		return phy_ethtool_gset(phydev, cmd);
 	}
 
 	cmd->supported = (SUPPORTED_Autoneg);
@@ -9284,9 +9286,11 @@ static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
 	struct tg3 *tp = netdev_priv(dev);
 
 	if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
+		struct phy_device *phydev;
 		if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
 			return -EAGAIN;
-		return phy_ethtool_sset(tp->mdio_bus->phy_map[PHY_ADDR], cmd);
+		phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
+		return phy_ethtool_sset(phydev, cmd);
 	}
 
 	if (cmd->autoneg != AUTONEG_ENABLE &&
@@ -9469,7 +9473,7 @@ static int tg3_nway_reset(struct net_device *dev)
 	if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
 		if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
 			return -EAGAIN;
-		r = phy_start_aneg(tp->mdio_bus->phy_map[PHY_ADDR]);
+		r = phy_start_aneg(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
 	} else {
 		u32 bmcr;
 
@@ -9588,7 +9592,7 @@ static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam
 			u32 newadv;
 			struct phy_device *phydev;
 
-			phydev = tp->mdio_bus->phy_map[PHY_ADDR];
+			phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
 
 			if (epause->rx_pause) {
 				if (epause->tx_pause)
@@ -10568,9 +10572,11 @@ static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 	int err;
 
 	if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
+		struct phy_device *phydev;
 		if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
 			return -EAGAIN;
-		return phy_mii_ioctl(tp->mdio_bus->phy_map[PHY_ADDR], data, cmd);
+		phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
+		return phy_mii_ioctl(phydev, data, cmd);
 	}
 
 	switch(cmd) {
@@ -14135,13 +14141,14 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
 	       tg3_bus_string(tp, str),
 	       dev->dev_addr);
 
-	if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED)
+	if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
+		struct phy_device *phydev;
+		phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
 		printk(KERN_INFO
 		       "%s: attached PHY driver [%s] (mii_bus:phy_addr=%s)\n",
-		       tp->dev->name,
-		       tp->mdio_bus->phy_map[PHY_ADDR]->drv->name,
-		       dev_name(&tp->mdio_bus->phy_map[PHY_ADDR]->dev));
-	else
+		       tp->dev->name, phydev->drv->name,
+		       dev_name(&phydev->dev));
+	} else
 		printk(KERN_INFO
 		       "%s: attached PHY is %s (%s Ethernet) (WireSpeed[%d])\n",
 		       tp->dev->name, tg3_phy_string(tp),
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index eb4ed82d71e..40501cb3b35 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -1954,7 +1954,7 @@
 #define  NIC_SRAM_MBUF_POOL_SIZE5705	0x0000e000
 
 /* Currently this is fixed. */
-#define PHY_ADDR		0x01
+#define TG3_PHY_MII_ADDR		0x01
 
 /* Tigon3 specific PHY MII registers. */
 #define  TG3_BMCR_SPEED1000		0x0040
-- 
GitLab


From 52cdf8526fe24f11d300b75458ddee017f3f4c88 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Mon, 2 Nov 2009 14:25:06 +0000
Subject: [PATCH 0837/1815] tg3: Prevent a PCIe tx glitch

This patch prevents a PCIe tx glitch by allowing the transmitter to go
to a low power state.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 24 ++++++++++++++++++++++++
 drivers/net/tg3.h | 26 +++++++++++++++++++++++++-
 2 files changed, 49 insertions(+), 1 deletion(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 1c53250e400..53a193e0d45 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -6589,6 +6589,30 @@ static int tg3_chip_reset(struct tg3 *tp)
 
 	tg3_mdio_start(tp);
 
+	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
+		u8 phy_addr;
+
+		phy_addr = tp->phy_addr;
+		tp->phy_addr = TG3_PHY_PCIE_ADDR;
+
+		tg3_writephy(tp, TG3_PCIEPHY_BLOCK_ADDR,
+			     TG3_PCIEPHY_TXB_BLK << TG3_PCIEPHY_BLOCK_SHIFT);
+		val = TG3_PCIEPHY_TX0CTRL1_TXOCM | TG3_PCIEPHY_TX0CTRL1_RDCTL |
+		      TG3_PCIEPHY_TX0CTRL1_TXCMV | TG3_PCIEPHY_TX0CTRL1_TKSEL |
+		      TG3_PCIEPHY_TX0CTRL1_NB_EN;
+		tg3_writephy(tp, TG3_PCIEPHY_TX0CTRL1, val);
+		udelay(10);
+
+		tg3_writephy(tp, TG3_PCIEPHY_BLOCK_ADDR,
+			     TG3_PCIEPHY_XGXS_BLK1 << TG3_PCIEPHY_BLOCK_SHIFT);
+		val = TG3_PCIEPHY_PWRMGMT4_LOWPWR_EN |
+		      TG3_PCIEPHY_PWRMGMT4_L1PLLPD_EN;
+		tg3_writephy(tp, TG3_PCIEPHY_PWRMGMT4, val);
+		udelay(10);
+
+		tp->phy_addr = phy_addr;
+	}
+
 	if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
 	    tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
 	    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 &&
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 40501cb3b35..530c36b23e8 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -1953,10 +1953,34 @@
 #define  NIC_SRAM_MBUF_POOL_BASE5705	0x00010000
 #define  NIC_SRAM_MBUF_POOL_SIZE5705	0x0000e000
 
+
 /* Currently this is fixed. */
+#define TG3_PHY_PCIE_ADDR		0x00
 #define TG3_PHY_MII_ADDR		0x01
 
-/* Tigon3 specific PHY MII registers. */
+
+/*** Tigon3 specific PHY PCIE registers. ***/
+
+#define TG3_PCIEPHY_BLOCK_ADDR		0x1f
+#define  TG3_PCIEPHY_XGXS_BLK1		0x0801
+#define  TG3_PCIEPHY_TXB_BLK		0x0861
+#define  TG3_PCIEPHY_BLOCK_SHIFT	4
+
+/* TG3_PCIEPHY_TXB_BLK */
+#define TG3_PCIEPHY_TX0CTRL1		0x15
+#define  TG3_PCIEPHY_TX0CTRL1_TXOCM	0x0003
+#define  TG3_PCIEPHY_TX0CTRL1_RDCTL	0x0008
+#define  TG3_PCIEPHY_TX0CTRL1_TXCMV	0x0030
+#define  TG3_PCIEPHY_TX0CTRL1_TKSEL	0x0040
+#define  TG3_PCIEPHY_TX0CTRL1_NB_EN	0x0400
+
+/* TG3_PCIEPHY_XGXS_BLK1 */
+#define TG3_PCIEPHY_PWRMGMT4		0x1a
+#define TG3_PCIEPHY_PWRMGMT4_L1PLLPD_EN	0x0038
+#define TG3_PCIEPHY_PWRMGMT4_LOWPWR_EN	0x4000
+
+
+/*** Tigon3 specific PHY MII registers. ***/
 #define  TG3_BMCR_SPEED1000		0x0040
 
 #define MII_TG3_CTRL			0x09 /* 1000-baseT control register */
-- 
GitLab


From a21771dd189b340328c573da9e005068e8a74c53 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Mon, 2 Nov 2009 14:25:31 +0000
Subject: [PATCH 0838/1815] tg3: Add more PCI DMA map error checking

This patch adds code to check the status of pci_map_single() before
allowing rx buffers to be used.  It also converts the pci_map_single()
call in tg3_run_loopback() to use skb_dma_map() instead.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 53a193e0d45..54dbe988f5f 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -4426,6 +4426,10 @@ static int tg3_alloc_rx_skb(struct tg3_napi *tnapi, u32 opaque_key,
 
 	mapping = pci_map_single(tp->pdev, skb->data, skb_size,
 				 PCI_DMA_FROMDEVICE);
+	if (pci_dma_mapping_error(tp->pdev, mapping)) {
+		dev_kfree_skb(skb);
+		return -EIO;
+	}
 
 	map->skb = skb;
 	pci_unmap_addr_set(map, mapping, mapping);
@@ -10369,7 +10373,10 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
 	for (i = 14; i < tx_len; i++)
 		tx_data[i] = (u8) (i & 0xff);
 
-	map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE);
+	if (skb_dma_map(&tp->pdev->dev, skb, DMA_TO_DEVICE)) {
+		dev_kfree_skb(skb);
+		return -EIO;
+	}
 
 	tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
 	       rnapi->coal_now);
@@ -10380,7 +10387,8 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
 
 	num_pkts = 0;
 
-	tg3_set_txd(tnapi, tnapi->tx_prod, map, tx_len, 0, 1);
+	tg3_set_txd(tnapi, tnapi->tx_prod,
+		    skb_shinfo(skb)->dma_head, tx_len, 0, 1);
 
 	tnapi->tx_prod++;
 	num_pkts++;
@@ -10404,7 +10412,7 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
 			break;
 	}
 
-	pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE);
+	skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE);
 	dev_kfree_skb(skb);
 
 	if (tx_idx != tnapi->tx_prod)
-- 
GitLab


From 788a035e6061a66c6c77059c417fdc6234e140ff Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Mon, 2 Nov 2009 14:26:03 +0000
Subject: [PATCH 0839/1815] tg3: Improve 5785 PCIe performance

This patch improves 5785 performance by allowing the write DMA engine to
request larger DMA burst sizes than it otherwise would.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 3 +++
 drivers/net/tg3.h | 3 ++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 54dbe988f5f..a43ef2b3a53 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -7633,6 +7633,9 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
 	if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
 		val |= WDMAC_MODE_STATUS_TAG_FIX;
 
+	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
+		val |= WDMAC_MODE_BURST_ALL_DATA;
+
 	tw32_f(WDMAC_MODE, val);
 	udelay(40);
 
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 530c36b23e8..68431da5aad 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -1264,8 +1264,9 @@
 #define  WDMAC_MODE_FIFOURUN_ENAB	 0x00000080
 #define  WDMAC_MODE_FIFOOREAD_ENAB	 0x00000100
 #define  WDMAC_MODE_LNGREAD_ENAB	 0x00000200
-#define  WDMAC_MODE_RX_ACCEL	 	 0x00000400
+#define  WDMAC_MODE_RX_ACCEL		 0x00000400
 #define  WDMAC_MODE_STATUS_TAG_FIX	 0x20000000
+#define  WDMAC_MODE_BURST_ALL_DATA	 0xc0000000
 #define WDMAC_STATUS			0x00004c04
 #define  WDMAC_STATUS_TGTABORT		 0x00000004
 #define  WDMAC_STATUS_MSTABORT		 0x00000008
-- 
GitLab


From 0e5f784c77197edf29d2770b518dc78777d5a480 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Mon, 2 Nov 2009 14:26:38 +0000
Subject: [PATCH 0840/1815] tg3: Add AC131 power down support

The AC131 does not respect the power down bit (bit 11) of the MII
Control Register (reg 0x0).  Instead, software is required to put the
phy into standby power down mode through the shadow register set.  This
patch implements support for the AC131 standby power down mode.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 20 ++++++++++++++++++++
 drivers/net/tg3.h |  3 +++
 2 files changed, 23 insertions(+)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index a43ef2b3a53..003ab53cf61 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -2149,6 +2149,26 @@ static void tg3_power_down_phy(struct tg3 *tp, bool do_low_power)
 		tw32_f(GRC_MISC_CFG, val | GRC_MISC_CFG_EPHY_IDDQ);
 		udelay(40);
 		return;
+	} else if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
+		u32 phytest;
+		if (!tg3_readphy(tp, MII_TG3_FET_TEST, &phytest)) {
+			u32 phy;
+
+			tg3_writephy(tp, MII_ADVERTISE, 0);
+			tg3_writephy(tp, MII_BMCR,
+				     BMCR_ANENABLE | BMCR_ANRESTART);
+
+			tg3_writephy(tp, MII_TG3_FET_TEST,
+				     phytest | MII_TG3_FET_SHADOW_EN);
+			if (!tg3_readphy(tp, MII_TG3_FET_SHDW_AUXMODE4, &phy)) {
+				phy |= MII_TG3_FET_SHDW_AUXMODE4_SBPD;
+				tg3_writephy(tp,
+					     MII_TG3_FET_SHDW_AUXMODE4,
+					     phy);
+			}
+			tg3_writephy(tp, MII_TG3_FET_TEST, phytest);
+		}
+		return;
 	} else if (do_low_power) {
 		tg3_writephy(tp, MII_TG3_EXT_CTRL,
 			     MII_TG3_EXT_CTRL_FORCE_LED_OFF);
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 68431da5aad..9999345a11a 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2080,6 +2080,9 @@
 #define MII_TG3_FET_SHDW_MISCCTRL	0x10
 #define  MII_TG3_FET_SHDW_MISCCTRL_MDIX	0x4000
 
+#define MII_TG3_FET_SHDW_AUXMODE4	0x1a
+#define MII_TG3_FET_SHDW_AUXMODE4_SBPD	0x0008
+
 #define MII_TG3_FET_SHDW_AUXSTAT2	0x1b
 #define  MII_TG3_FET_SHDW_AUXSTAT2_APD	0x0020
 
-- 
GitLab


From c3df0748ee43101dfc5c94d1f61ddfca0ff5baa4 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Mon, 2 Nov 2009 14:27:02 +0000
Subject: [PATCH 0841/1815] tg3: 5785: Set port mode to MII when link down

This patch sets the port mode to MII when the link is down for the 5785.
Setting the port mode to MII instead of GMII saves power.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 003ab53cf61..d726da8c593 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -1363,8 +1363,11 @@ static void tg3_adjust_link(struct net_device *dev)
 
 		if (phydev->speed == SPEED_100 || phydev->speed == SPEED_10)
 			mac_mode |= MAC_MODE_PORT_MODE_MII;
-		else
+		else if (phydev->speed == SPEED_1000 ||
+			 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785)
 			mac_mode |= MAC_MODE_PORT_MODE_GMII;
+		else
+			mac_mode |= MAC_MODE_PORT_MODE_MII;
 
 		if (phydev->duplex == DUPLEX_HALF)
 			mac_mode |= MAC_MODE_HALF_DUPLEX;
-- 
GitLab


From 303fc9218246a748304c005e629d658927cf12d0 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Mon, 2 Nov 2009 14:27:34 +0000
Subject: [PATCH 0842/1815] tg3: Extend loopback test timeout

This patch extends the loopback test timeout from 250 usec to 350 usec.
When the 5785 is paired against an AC131 phy, the older timeout is
just a little too close to the expected performance based on timings.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index d726da8c593..7bebb477889 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -10424,8 +10424,8 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
 
 	udelay(10);
 
-	/* 250 usec to allow enough time on some 10/100 Mbps devices.  */
-	for (i = 0; i < 25; i++) {
+	/* 350 usec to allow enough time on some 10/100 Mbps devices.  */
+	for (i = 0; i < 35; i++) {
 		tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
 		       coal_now);
 
-- 
GitLab


From 47b1b53b41d63f27b308981fde307d415e514431 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Mon, 2 Nov 2009 14:28:04 +0000
Subject: [PATCH 0843/1815] broadcom: Isolate phy dsp accesses

This patch consolidates the code that requires the SMDSP clock to be
enabled into a single function that (hopefully) makes the dependency
obvious.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/phy/broadcom.c | 90 ++++++++++++++++++--------------------
 1 file changed, 42 insertions(+), 48 deletions(-)

diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c
index f81e5322223..9e574ceacf4 100644
--- a/drivers/net/phy/broadcom.c
+++ b/drivers/net/phy/broadcom.c
@@ -237,53 +237,78 @@ static int bcm54xx_auxctl_write(struct phy_device *phydev, u16 regnum, u16 val)
 	return phy_write(phydev, MII_BCM54XX_AUX_CTL, regnum | val);
 }
 
+/* Needs SMDSP clock enabled via bcm54xx_phydsp_config() */
 static int bcm50610_a0_workaround(struct phy_device *phydev)
 {
 	int err;
 
-	err = bcm54xx_auxctl_write(phydev,
-				   MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL,
-				   MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA |
-				   MII_BCM54XX_AUXCTL_ACTL_TX_6DB);
-	if (err < 0)
-		return err;
-
 	err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP08,
 				MII_BCM54XX_EXP_EXP08_RJCT_2MHZ	|
 				MII_BCM54XX_EXP_EXP08_EARLY_DAC_WAKE);
 	if (err < 0)
-		goto error;
+		return err;
 
 	err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_AADJ1CH0,
 				MII_BCM54XX_EXP_AADJ1CH0_SWP_ABCD_OEN |
 				MII_BCM54XX_EXP_AADJ1CH0_SWSEL_THPF);
 	if (err < 0)
-		goto error;
+		return err;
 
 	err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_AADJ1CH3,
 					MII_BCM54XX_EXP_AADJ1CH3_ADCCKADJ);
 	if (err < 0)
-		goto error;
+		return err;
 
 	err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP75,
 				MII_BCM54XX_EXP_EXP75_VDACCTRL);
 	if (err < 0)
-		goto error;
+		return err;
 
 	err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP96,
 				MII_BCM54XX_EXP_EXP96_MYST);
 	if (err < 0)
-		goto error;
+		return err;
 
 	err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP97,
 				MII_BCM54XX_EXP_EXP97_MYST);
 
+	return err;
+}
+
+static int bcm54xx_phydsp_config(struct phy_device *phydev)
+{
+	int err, err2;
+
+	/* Enable the SMDSP clock */
+	err = bcm54xx_auxctl_write(phydev,
+				   MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL,
+				   MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA |
+				   MII_BCM54XX_AUXCTL_ACTL_TX_6DB);
+	if (err < 0)
+		return err;
+
+	if (phydev->drv->phy_id == PHY_ID_BCM50610)
+		err = bcm50610_a0_workaround(phydev);
+
+	if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM57780) {
+		int val;
+
+		val = bcm54xx_exp_read(phydev, MII_BCM54XX_EXP_EXP75);
+		if (val < 0)
+			goto error;
+
+		val |= MII_BCM54XX_EXP_EXP75_CM_OSC;
+		err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP75, val);
+	}
+
 error:
-	bcm54xx_auxctl_write(phydev,
-			     MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL,
-			     MII_BCM54XX_AUXCTL_ACTL_TX_6DB);
+	/* Disable the SMDSP clock */
+	err2 = bcm54xx_auxctl_write(phydev,
+				    MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL,
+				    MII_BCM54XX_AUXCTL_ACTL_TX_6DB);
 
-	return err;
+	/* Return the first error reported. */
+	return err ? err : err2;
 }
 
 static int bcm54xx_config_init(struct phy_device *phydev)
@@ -308,38 +333,7 @@ static int bcm54xx_config_init(struct phy_device *phydev)
 	if (err < 0)
 		return err;
 
-	if (phydev->drv->phy_id == PHY_ID_BCM50610) {
-		err = bcm50610_a0_workaround(phydev);
-		if (err < 0)
-			return err;
-	}
-
-	if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM57780) {
-		int err2;
-
-		err = bcm54xx_auxctl_write(phydev,
-					   MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL,
-					   MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA |
-					   MII_BCM54XX_AUXCTL_ACTL_TX_6DB);
-		if (err < 0)
-			return err;
-
-		reg = bcm54xx_exp_read(phydev, MII_BCM54XX_EXP_EXP75);
-		if (reg < 0)
-			goto error;
-
-		reg |= MII_BCM54XX_EXP_EXP75_CM_OSC;
-		err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP75, reg);
-
-error:
-		err2 = bcm54xx_auxctl_write(phydev,
-					    MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL,
-					    MII_BCM54XX_AUXCTL_ACTL_TX_6DB);
-		if (err)
-			return err;
-		if (err2)
-			return err2;
-	}
+	bcm54xx_phydsp_config(phydev);
 
 	return 0;
 }
-- 
GitLab


From 219c6efefaa3f5cd05db52cda50402b2e1c9ae21 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Mon, 2 Nov 2009 14:28:33 +0000
Subject: [PATCH 0844/1815] broadcom: Fix slow link problem

When a 50610 or 50610M is paired against particular remote partners,
link is slow to come up.  This patch works around the problem.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/phy/broadcom.c | 22 ++++++++++++++--------
 1 file changed, 14 insertions(+), 8 deletions(-)

diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c
index 9e574ceacf4..1a2b2f2a273 100644
--- a/drivers/net/phy/broadcom.c
+++ b/drivers/net/phy/broadcom.c
@@ -242,12 +242,6 @@ static int bcm50610_a0_workaround(struct phy_device *phydev)
 {
 	int err;
 
-	err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP08,
-				MII_BCM54XX_EXP_EXP08_RJCT_2MHZ	|
-				MII_BCM54XX_EXP_EXP08_EARLY_DAC_WAKE);
-	if (err < 0)
-		return err;
-
 	err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_AADJ1CH0,
 				MII_BCM54XX_EXP_AADJ1CH0_SWP_ABCD_OEN |
 				MII_BCM54XX_EXP_AADJ1CH0_SWSEL_THPF);
@@ -287,8 +281,20 @@ static int bcm54xx_phydsp_config(struct phy_device *phydev)
 	if (err < 0)
 		return err;
 
-	if (phydev->drv->phy_id == PHY_ID_BCM50610)
-		err = bcm50610_a0_workaround(phydev);
+	if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610 ||
+	    BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610M) {
+		/* Clear bit 9 to fix a phy interop issue. */
+		err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP08,
+					MII_BCM54XX_EXP_EXP08_RJCT_2MHZ);
+		if (err < 0)
+			goto error;
+
+		if (phydev->drv->phy_id == PHY_ID_BCM50610) {
+			err = bcm50610_a0_workaround(phydev);
+			if (err < 0)
+				goto error;
+		}
+	}
 
 	if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM57780) {
 		int val;
-- 
GitLab


From c73430d04ec75962e20e186d34c40b6d999f0968 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Mon, 2 Nov 2009 14:29:34 +0000
Subject: [PATCH 0845/1815] tg3: Add 50610M phy ID for 5785

This patch adds the 50610M phy ID for 5785.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 2 ++
 drivers/net/tg3.h | 1 +
 2 files changed, 3 insertions(+)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 7bebb477889..0aecd07d3f6 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -940,6 +940,7 @@ static void tg3_mdio_config_5785(struct tg3 *tp)
 	phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
 	switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
 	case TG3_PHY_ID_BCM50610:
+	case TG3_PHY_ID_BCM50610M:
 		val = MAC_PHYCFG2_50610_LED_MODES;
 		break;
 	case TG3_PHY_ID_BCMAC131:
@@ -1098,6 +1099,7 @@ static int tg3_mdio_init(struct tg3 *tp)
 		phydev->interface = PHY_INTERFACE_MODE_GMII;
 		break;
 	case TG3_PHY_ID_BCM50610:
+	case TG3_PHY_ID_BCM50610M:
 		if (tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE)
 			phydev->dev_flags |= PHY_BRCM_STD_IBND_DISABLE;
 		if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 9999345a11a..d770da124b8 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2864,6 +2864,7 @@ struct tg3 {
 #define PHY_REV_BCM5401_C0		0x6
 #define PHY_REV_BCM5411_X0		0x1 /* Found on Netgear GA302T */
 #define TG3_PHY_ID_BCM50610		0x143bd60
+#define TG3_PHY_ID_BCM50610M	0x143bd70
 #define TG3_PHY_ID_BCMAC131		0x143bc70
 #define TG3_PHY_ID_RTL8211C		0x001cc910
 #define TG3_PHY_ID_RTL8201E		0x00008200
-- 
GitLab


From 8649f13d2d810406da444a6101906041b796fbde Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Mon, 2 Nov 2009 14:30:00 +0000
Subject: [PATCH 0846/1815] broadcom: Consolidate dev_flags definitions

This patch moves all the dev_flags enumerations outside the broadcom.c
file to include/linux/brcmphy.h.  The existing flags were not used yet
and have been re-enumerated to avoid conflicts.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/phy/broadcom.c | 11 +----------
 include/linux/brcmphy.h    | 17 +++++++++++------
 2 files changed, 12 insertions(+), 16 deletions(-)

diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c
index 1a2b2f2a273..ace0ccc87a0 100644
--- a/drivers/net/phy/broadcom.c
+++ b/drivers/net/phy/broadcom.c
@@ -16,6 +16,7 @@
 
 #include <linux/module.h>
 #include <linux/phy.h>
+#include <linux/brcmphy.h>
 
 #define PHY_ID_BCM50610		0x0143bd60
 #define PHY_ID_BCM50610M	0x0143bd70
@@ -138,16 +139,6 @@
 #define BCM5482_SSD_SGMII_SLAVE_EN	0x0002	/* Slave mode enable */
 #define BCM5482_SSD_SGMII_SLAVE_AD	0x0001	/* Slave auto-detection */
 
-/*
- * Device flags for PHYs that can be configured for different operating
- * modes.
- */
-#define PHY_BCM_FLAGS_VALID		0x80000000
-#define PHY_BCM_FLAGS_INTF_XAUI		0x00000020
-#define PHY_BCM_FLAGS_INTF_SGMII	0x00000010
-#define PHY_BCM_FLAGS_MODE_1000BX	0x00000002
-#define PHY_BCM_FLAGS_MODE_COPPER	0x00000001
-
 
 /*****************************************************************************/
 /* Fast Ethernet Transceiver definitions. */
diff --git a/include/linux/brcmphy.h b/include/linux/brcmphy.h
index 9b64b6d6787..daa1480fcf4 100644
--- a/include/linux/brcmphy.h
+++ b/include/linux/brcmphy.h
@@ -1,6 +1,11 @@
-#define PHY_BRCM_WIRESPEED_ENABLE	0x00000001
-#define PHY_BRCM_AUTO_PWRDWN_ENABLE	0x00000002
-#define PHY_BRCM_APD_CLK125_ENABLE	0x00000004
-#define PHY_BRCM_STD_IBND_DISABLE	0x00000008
-#define PHY_BRCM_EXT_IBND_RX_ENABLE	0x00000010
-#define PHY_BRCM_EXT_IBND_TX_ENABLE	0x00000020
+#define PHY_BCM_FLAGS_MODE_COPPER	0x00000001
+#define PHY_BCM_FLAGS_MODE_1000BX	0x00000002
+#define PHY_BCM_FLAGS_INTF_SGMII	0x00000010
+#define PHY_BCM_FLAGS_INTF_XAUI		0x00000020
+#define PHY_BRCM_WIRESPEED_ENABLE	0x00000100
+#define PHY_BRCM_AUTO_PWRDWN_ENABLE	0x00000200
+#define PHY_BRCM_APD_CLK125_ENABLE	0x00000400
+#define PHY_BRCM_STD_IBND_DISABLE	0x00000800
+#define PHY_BRCM_EXT_IBND_RX_ENABLE	0x00001000
+#define PHY_BRCM_EXT_IBND_TX_ENABLE	0x00002000
+#define PHY_BCM_FLAGS_VALID		0x80000000
-- 
GitLab


From 63a14ce449dd6d647de2725809159eb072b2c44f Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Mon, 2 Nov 2009 14:30:40 +0000
Subject: [PATCH 0847/1815] tg3 / broadcom: Add PHY_BRCM_CLEAR_RGMII_MODE flag

Broadcom 50610M parts changed the default definitions of the RGMII mode
shadow register.  The 5785 needs the RGMII mode selection bits [4:3]
cleared.

The default value of the remaining bits in this register are zero.
Rather than unnecessarily burn an extra bit in the dev_flags member in
an attempt to enumerate all possible combinations, this patch take a
more course grained approach and labels the option as "clear all bits".

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/phy/broadcom.c | 6 ++++++
 drivers/net/tg3.c          | 1 +
 include/linux/brcmphy.h    | 1 +
 3 files changed, 8 insertions(+)

diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c
index ace0ccc87a0..5d2a2e90aba 100644
--- a/drivers/net/phy/broadcom.c
+++ b/drivers/net/phy/broadcom.c
@@ -105,6 +105,7 @@
 #define BCM5482_SHD_LEDS1_LED3(src)	((src & 0xf) << 4)
 					/* LED1 / ~LINKSPD[1] selector */
 #define BCM5482_SHD_LEDS1_LED1(src)	((src & 0xf) << 0)
+#define BCM54XX_SHD_RGMII_MODE	0x0b	/* 01011: RGMII Mode Selector */
 #define BCM5482_SHD_SSD		0x14	/* 10100: Secondary SerDes control */
 #define BCM5482_SHD_SSD_LEDM	0x0008	/* SSD LED Mode enable */
 #define BCM5482_SHD_SSD_EN	0x0001	/* SSD enable */
@@ -330,6 +331,11 @@ static int bcm54xx_config_init(struct phy_device *phydev)
 	if (err < 0)
 		return err;
 
+	if ((BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610 ||
+	     BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610M) &&
+	    (phydev->dev_flags & PHY_BRCM_CLEAR_RGMII_MODE))
+		bcm54xx_shadow_write(phydev, BCM54XX_SHD_RGMII_MODE, 0);
+
 	bcm54xx_phydsp_config(phydev);
 
 	return 0;
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 0aecd07d3f6..e7128f6ae2d 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -1100,6 +1100,7 @@ static int tg3_mdio_init(struct tg3 *tp)
 		break;
 	case TG3_PHY_ID_BCM50610:
 	case TG3_PHY_ID_BCM50610M:
+		phydev->dev_flags |= PHY_BRCM_CLEAR_RGMII_MODE;
 		if (tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE)
 			phydev->dev_flags |= PHY_BRCM_STD_IBND_DISABLE;
 		if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
diff --git a/include/linux/brcmphy.h b/include/linux/brcmphy.h
index daa1480fcf4..6e7ffcee9c8 100644
--- a/include/linux/brcmphy.h
+++ b/include/linux/brcmphy.h
@@ -8,4 +8,5 @@
 #define PHY_BRCM_STD_IBND_DISABLE	0x00000800
 #define PHY_BRCM_EXT_IBND_RX_ENABLE	0x00001000
 #define PHY_BRCM_EXT_IBND_TX_ENABLE	0x00002000
+#define PHY_BRCM_CLEAR_RGMII_MODE	0x00004000
 #define PHY_BCM_FLAGS_VALID		0x80000000
-- 
GitLab


From cdd4e09d692bd4f3457b3789279005e112b7696d Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Mon, 2 Nov 2009 14:31:11 +0000
Subject: [PATCH 0848/1815] tg3 / broadcom: Refine AC131 APD support

Auto power-down (APD) support is a power-saving feature.  It should be
selectively enabled since it might expose MAC bugs.  This patch changes
the code to enable APD only if the PHY_BRCM_AUTO_PWRDWN_ENABLE flag is
set.  The tg3 driver was changed to set this bit.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/phy/broadcom.c | 8 +++++---
 drivers/net/tg3.c          | 1 +
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c
index 5d2a2e90aba..bddf4a42ae6 100644
--- a/drivers/net/phy/broadcom.c
+++ b/drivers/net/phy/broadcom.c
@@ -561,9 +561,11 @@ static int brcm_fet_config_init(struct phy_device *phydev)
 	if (err < 0)
 		goto done;
 
-	/* Enable auto power down */
-	err = brcm_phy_setbits(phydev, MII_BRCM_FET_SHDW_AUXSTAT2,
-				       MII_BRCM_FET_SHDW_AS2_APDE);
+	if (phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE) {
+		/* Enable auto power down */
+		err = brcm_phy_setbits(phydev, MII_BRCM_FET_SHDW_AUXSTAT2,
+					       MII_BRCM_FET_SHDW_AS2_APDE);
+	}
 
 done:
 	/* Disable shadow register access */
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index e7128f6ae2d..592b5bf09e4 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -1114,6 +1114,7 @@ static int tg3_mdio_init(struct tg3 *tp)
 	case TG3_PHY_ID_RTL8201E:
 	case TG3_PHY_ID_BCMAC131:
 		phydev->interface = PHY_INTERFACE_MODE_MII;
+		phydev->dev_flags |= PHY_BRCM_AUTO_PWRDWN_ENABLE;
 		tp->tg3_flags3 |= TG3_FLG3_PHY_IS_FET;
 		break;
 	}
-- 
GitLab


From 32e5a8d651c0dbb02bf82ca954206282e44c4b11 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Mon, 2 Nov 2009 14:31:39 +0000
Subject: [PATCH 0849/1815] tg3 / broadcom: Add code to disable rxc refclk

The 5785 does not use the RXC reference clock.  Turning it off is
desirable as it saves power.

By default, the 50610 enables the RXC reference clock and the 50610M
disables it.  Presumably this is one of the reasons why the hardware
architect chose one over the other.

Adding a "rx reference clock disable" flag is not the ideal way to
describe the option, as it would force the MAC using a 50610M to set
the flag.  Ideally we want the flags to represent opt-in behavior that
deviates from hardware defaults.  Furthermore, the lack of a
"disable" flag implies that the requester wants the rx reference clock
enabled, which doesn't necessarily follow.

By presenting the option as a passive statement (rx reference clock
unused) rather than a command, I hope to convey an opt-in option to
disable the rx reference clock that falls back to hardware defaults if
not set.  A secondary benefit of this is that it keeps the
intelligence about phy defaults in the broadcom module where it belongs
and allows the broadcom module more latitude should a bug arise.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/phy/broadcom.c | 43 ++++++++++++++++++++++++++++++++++++++
 drivers/net/tg3.c          |  3 ++-
 include/linux/brcmphy.h    |  2 +-
 3 files changed, 46 insertions(+), 2 deletions(-)

diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c
index bddf4a42ae6..74914335f72 100644
--- a/drivers/net/phy/broadcom.c
+++ b/drivers/net/phy/broadcom.c
@@ -25,6 +25,9 @@
 #define BRCM_PHY_MODEL(phydev) \
 	((phydev)->drv->phy_id & (phydev)->drv->phy_id_mask)
 
+#define BRCM_PHY_REV(phydev) \
+	((phydev)->drv->phy_id & ~((phydev)->drv->phy_id_mask))
+
 
 #define MII_BCM54XX_ECR		0x10	/* BCM54xx extended control register */
 #define MII_BCM54XX_ECR_IM	0x1000	/* Interrupt mask */
@@ -95,11 +98,16 @@
 #define BCM_LED_SRC_OFF		0xe	/* Tied high */
 #define BCM_LED_SRC_ON		0xf	/* Tied low */
 
+
 /*
  * BCM5482: Shadow registers
  * Shadow values go into bits [14:10] of register 0x1c to select a shadow
  * register to access.
  */
+/* 00101: Spare Control Register 3 */
+#define BCM54XX_SHD_SCR3		0x05
+#define  BCM54XX_SHD_SCR3_DEF_CLK125	0x0001
+
 #define BCM5482_SHD_LEDS1	0x0d	/* 01101: LED Selector 1 */
 					/* LED3 / ~LINKSPD[2] selector */
 #define BCM5482_SHD_LEDS1_LED3(src)	((src & 0xf) << 4)
@@ -112,6 +120,7 @@
 #define BCM5482_SHD_MODE	0x1f	/* 11111: Mode Control Register */
 #define BCM5482_SHD_MODE_1000BX	0x0001	/* Enable 1000BASE-X registers */
 
+
 /*
  * EXPANSION SHADOW ACCESS REGISTERS.  (PHY REG 0x15, 0x16, and 0x17)
  */
@@ -309,6 +318,37 @@ error:
 	return err ? err : err2;
 }
 
+static void bcm54xx_adjust_rxrefclk(struct phy_device *phydev)
+{
+	u32 val, orig;
+
+	/* Abort if we are using an untested phy. */
+	if (BRCM_PHY_MODEL(phydev) != PHY_ID_BCM50610 ||
+	    BRCM_PHY_MODEL(phydev) != PHY_ID_BCM50610M)
+		return;
+
+	val = bcm54xx_shadow_read(phydev, BCM54XX_SHD_SCR3);
+	if (val < 0)
+		return;
+
+	orig = val;
+
+	if (phydev->dev_flags & PHY_BRCM_RX_REFCLK_UNUSED) {
+		if ((BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610 ||
+		     BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610M) &&
+		    BRCM_PHY_REV(phydev) >= 0x3) {
+			/* Here, bit 0 _disables_ CLK125 when set */
+			val |= BCM54XX_SHD_SCR3_DEF_CLK125;
+		} else {
+			/* Here, bit 0 _enables_ CLK125 when set */
+			val &= ~BCM54XX_SHD_SCR3_DEF_CLK125;
+		}
+	}
+
+	if (orig != val)
+		bcm54xx_shadow_write(phydev, BCM54XX_SHD_SCR3, val);
+}
+
 static int bcm54xx_config_init(struct phy_device *phydev)
 {
 	int reg, err;
@@ -336,6 +376,9 @@ static int bcm54xx_config_init(struct phy_device *phydev)
 	    (phydev->dev_flags & PHY_BRCM_CLEAR_RGMII_MODE))
 		bcm54xx_shadow_write(phydev, BCM54XX_SHD_RGMII_MODE, 0);
 
+	if (phydev->dev_flags & PHY_BRCM_RX_REFCLK_UNUSED)
+		bcm54xx_adjust_rxrefclk(phydev);
+
 	bcm54xx_phydsp_config(phydev);
 
 	return 0;
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 592b5bf09e4..369ddba9582 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -1100,7 +1100,8 @@ static int tg3_mdio_init(struct tg3 *tp)
 		break;
 	case TG3_PHY_ID_BCM50610:
 	case TG3_PHY_ID_BCM50610M:
-		phydev->dev_flags |= PHY_BRCM_CLEAR_RGMII_MODE;
+		phydev->dev_flags |= PHY_BRCM_CLEAR_RGMII_MODE |
+				     PHY_BRCM_RX_REFCLK_UNUSED;
 		if (tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE)
 			phydev->dev_flags |= PHY_BRCM_STD_IBND_DISABLE;
 		if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
diff --git a/include/linux/brcmphy.h b/include/linux/brcmphy.h
index 6e7ffcee9c8..59432278ded 100644
--- a/include/linux/brcmphy.h
+++ b/include/linux/brcmphy.h
@@ -4,7 +4,7 @@
 #define PHY_BCM_FLAGS_INTF_XAUI		0x00000020
 #define PHY_BRCM_WIRESPEED_ENABLE	0x00000100
 #define PHY_BRCM_AUTO_PWRDWN_ENABLE	0x00000200
-#define PHY_BRCM_APD_CLK125_ENABLE	0x00000400
+#define PHY_BRCM_RX_REFCLK_UNUSED	0x00000400
 #define PHY_BRCM_STD_IBND_DISABLE	0x00000800
 #define PHY_BRCM_EXT_IBND_RX_ENABLE	0x00001000
 #define PHY_BRCM_EXT_IBND_TX_ENABLE	0x00002000
-- 
GitLab


From c704dc23cac0e433796bfe0a1fe2f1a64da11ac7 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Mon, 2 Nov 2009 14:32:12 +0000
Subject: [PATCH 0850/1815] tg3 / broadcom: Add APD support for GPHYs

This patch adds an RXC auto power-down feature to the code that supports
the gphys.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/phy/broadcom.c | 51 +++++++++++++++++++++++++++++++-------
 drivers/net/tg3.c          |  4 ++-
 2 files changed, 45 insertions(+), 10 deletions(-)

diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c
index 74914335f72..7b10495fe8f 100644
--- a/drivers/net/phy/broadcom.c
+++ b/drivers/net/phy/broadcom.c
@@ -107,6 +107,11 @@
 /* 00101: Spare Control Register 3 */
 #define BCM54XX_SHD_SCR3		0x05
 #define  BCM54XX_SHD_SCR3_DEF_CLK125	0x0001
+#define  BCM54XX_SHD_SCR3_DLLAPD_DIS	0x0002
+
+/* 01010: Auto Power-Down */
+#define BCM54XX_SHD_APD			0x0a
+#define  BCM54XX_SHD_APD_EN		0x0020
 
 #define BCM5482_SHD_LEDS1	0x0d	/* 01101: LED Selector 1 */
 					/* LED3 / ~LINKSPD[2] selector */
@@ -321,9 +326,11 @@ error:
 static void bcm54xx_adjust_rxrefclk(struct phy_device *phydev)
 {
 	u32 val, orig;
+	bool clk125en = true;
 
 	/* Abort if we are using an untested phy. */
-	if (BRCM_PHY_MODEL(phydev) != PHY_ID_BCM50610 ||
+	if (BRCM_PHY_MODEL(phydev) != PHY_ID_BCM57780 ||
+	    BRCM_PHY_MODEL(phydev) != PHY_ID_BCM50610 ||
 	    BRCM_PHY_MODEL(phydev) != PHY_ID_BCM50610M)
 		return;
 
@@ -333,20 +340,45 @@ static void bcm54xx_adjust_rxrefclk(struct phy_device *phydev)
 
 	orig = val;
 
-	if (phydev->dev_flags & PHY_BRCM_RX_REFCLK_UNUSED) {
-		if ((BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610 ||
-		     BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610M) &&
-		    BRCM_PHY_REV(phydev) >= 0x3) {
-			/* Here, bit 0 _disables_ CLK125 when set */
-			val |= BCM54XX_SHD_SCR3_DEF_CLK125;
-		} else {
+	if ((BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610 ||
+	     BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610M) &&
+	    BRCM_PHY_REV(phydev) >= 0x3) {
+		/*
+		 * Here, bit 0 _disables_ CLK125 when set.
+		 * This bit is set by default.
+		 */
+		clk125en = false;
+	} else {
+		if (phydev->dev_flags & PHY_BRCM_RX_REFCLK_UNUSED) {
 			/* Here, bit 0 _enables_ CLK125 when set */
 			val &= ~BCM54XX_SHD_SCR3_DEF_CLK125;
+			clk125en = false;
 		}
 	}
 
+	if (clk125en == false ||
+	    (phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE))
+		val &= ~BCM54XX_SHD_SCR3_DLLAPD_DIS;
+	else
+		val |= BCM54XX_SHD_SCR3_DLLAPD_DIS;
+
 	if (orig != val)
 		bcm54xx_shadow_write(phydev, BCM54XX_SHD_SCR3, val);
+
+	val = bcm54xx_shadow_read(phydev, BCM54XX_SHD_APD);
+	if (val < 0)
+		return;
+
+	orig = val;
+
+	if (clk125en == false ||
+	    (phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE))
+		val |= BCM54XX_SHD_APD_EN;
+	else
+		val &= ~BCM54XX_SHD_APD_EN;
+
+	if (orig != val)
+		bcm54xx_shadow_write(phydev, BCM54XX_SHD_APD, val);
 }
 
 static int bcm54xx_config_init(struct phy_device *phydev)
@@ -376,7 +408,8 @@ static int bcm54xx_config_init(struct phy_device *phydev)
 	    (phydev->dev_flags & PHY_BRCM_CLEAR_RGMII_MODE))
 		bcm54xx_shadow_write(phydev, BCM54XX_SHD_RGMII_MODE, 0);
 
-	if (phydev->dev_flags & PHY_BRCM_RX_REFCLK_UNUSED)
+	if ((phydev->dev_flags & PHY_BRCM_RX_REFCLK_UNUSED) ||
+	    (phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE))
 		bcm54xx_adjust_rxrefclk(phydev);
 
 	bcm54xx_phydsp_config(phydev);
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 369ddba9582..f74bf91e78c 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -1097,11 +1097,13 @@ static int tg3_mdio_init(struct tg3 *tp)
 	switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
 	case TG3_PHY_ID_BCM57780:
 		phydev->interface = PHY_INTERFACE_MODE_GMII;
+		phydev->dev_flags |= PHY_BRCM_AUTO_PWRDWN_ENABLE;
 		break;
 	case TG3_PHY_ID_BCM50610:
 	case TG3_PHY_ID_BCM50610M:
 		phydev->dev_flags |= PHY_BRCM_CLEAR_RGMII_MODE |
-				     PHY_BRCM_RX_REFCLK_UNUSED;
+				     PHY_BRCM_RX_REFCLK_UNUSED |
+				     PHY_BRCM_AUTO_PWRDWN_ENABLE;
 		if (tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE)
 			phydev->dev_flags |= PHY_BRCM_STD_IBND_DISABLE;
 		if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
-- 
GitLab


From 52fae0837153e86e4dabaf5df517a0b8b7a20bd7 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Mon, 2 Nov 2009 14:32:38 +0000
Subject: [PATCH 0851/1815] tg3 / broadcom: Optionally disable TXC if no link

This patch adds code to disable the TXC and RXC reference clocks if link
is not available.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/phy/broadcom.c | 5 +++++
 drivers/net/tg3.c          | 1 +
 include/linux/brcmphy.h    | 1 +
 3 files changed, 7 insertions(+)

diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c
index 7b10495fe8f..f63c96a4ecb 100644
--- a/drivers/net/phy/broadcom.c
+++ b/drivers/net/phy/broadcom.c
@@ -108,6 +108,7 @@
 #define BCM54XX_SHD_SCR3		0x05
 #define  BCM54XX_SHD_SCR3_DEF_CLK125	0x0001
 #define  BCM54XX_SHD_SCR3_DLLAPD_DIS	0x0002
+#define  BCM54XX_SHD_SCR3_TRDDAPD	0x0004
 
 /* 01010: Auto Power-Down */
 #define BCM54XX_SHD_APD			0x0a
@@ -362,6 +363,9 @@ static void bcm54xx_adjust_rxrefclk(struct phy_device *phydev)
 	else
 		val |= BCM54XX_SHD_SCR3_DLLAPD_DIS;
 
+	if (phydev->dev_flags & PHY_BRCM_DIS_TXCRXC_NOENRGY)
+		val |= BCM54XX_SHD_SCR3_TRDDAPD;
+
 	if (orig != val)
 		bcm54xx_shadow_write(phydev, BCM54XX_SHD_SCR3, val);
 
@@ -409,6 +413,7 @@ static int bcm54xx_config_init(struct phy_device *phydev)
 		bcm54xx_shadow_write(phydev, BCM54XX_SHD_RGMII_MODE, 0);
 
 	if ((phydev->dev_flags & PHY_BRCM_RX_REFCLK_UNUSED) ||
+	    (phydev->dev_flags & PHY_BRCM_DIS_TXCRXC_NOENRGY) ||
 	    (phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE))
 		bcm54xx_adjust_rxrefclk(phydev);
 
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index f74bf91e78c..50bb53de5eb 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -1103,6 +1103,7 @@ static int tg3_mdio_init(struct tg3 *tp)
 	case TG3_PHY_ID_BCM50610M:
 		phydev->dev_flags |= PHY_BRCM_CLEAR_RGMII_MODE |
 				     PHY_BRCM_RX_REFCLK_UNUSED |
+				     PHY_BRCM_DIS_TXCRXC_NOENRGY |
 				     PHY_BRCM_AUTO_PWRDWN_ENABLE;
 		if (tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE)
 			phydev->dev_flags |= PHY_BRCM_STD_IBND_DISABLE;
diff --git a/include/linux/brcmphy.h b/include/linux/brcmphy.h
index 59432278ded..2b31b91f587 100644
--- a/include/linux/brcmphy.h
+++ b/include/linux/brcmphy.h
@@ -9,4 +9,5 @@
 #define PHY_BRCM_EXT_IBND_RX_ENABLE	0x00001000
 #define PHY_BRCM_EXT_IBND_TX_ENABLE	0x00002000
 #define PHY_BRCM_CLEAR_RGMII_MODE	0x00004000
+#define PHY_BRCM_DIS_TXCRXC_NOENRGY	0x00008000
 #define PHY_BCM_FLAGS_VALID		0x80000000
-- 
GitLab


From 123b43e9716115302a0095e14f2c545811712715 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Mon, 2 Nov 2009 14:33:03 +0000
Subject: [PATCH 0852/1815] tg3: Update version to 3.103

This patch updates the tg3 version to 3.103.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 50bb53de5eb..47a4f094787 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -68,8 +68,8 @@
 
 #define DRV_MODULE_NAME		"tg3"
 #define PFX DRV_MODULE_NAME	": "
-#define DRV_MODULE_VERSION	"3.102"
-#define DRV_MODULE_RELDATE	"September 1, 2009"
+#define DRV_MODULE_VERSION	"3.103"
+#define DRV_MODULE_RELDATE	"November 2, 2009"
 
 #define TG3_DEF_MAC_MODE	0
 #define TG3_DEF_RX_MODE		0
-- 
GitLab


From a12f801d4b349bc57622584e70e45a4ccbef53b6 Mon Sep 17 00:00:00 2001
From: Sandeep Gopalpet <Sandeep.Kumar@freescale.com>
Date: Mon, 2 Nov 2009 07:03:00 +0000
Subject: [PATCH 0853/1815] gianfar: Add per queue structure support

This patch introduces per tx and per rx queue structures.
Earlier the members of these structures were inside the
gfar_private structure.

Moving forward if we want to support multiple queues, we need
to refactor the gfar_private structure so that introduction of
multiple queues is easier.

Signed-off-by: Sandeep Gopalpet <Sandeep.Kumar@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/gianfar.c         | 384 ++++++++++++++++++++--------------
 drivers/net/gianfar.h         | 116 ++++++----
 drivers/net/gianfar_ethtool.c | 100 +++++----
 drivers/net/gianfar_sysfs.c   |  43 ++--
 4 files changed, 398 insertions(+), 245 deletions(-)

diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index f7141865869..354b2b5936e 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -8,9 +8,10 @@
  *
  * Author: Andy Fleming
  * Maintainer: Kumar Gala
+ * Modifier: Sandeep Gopalpet <sandeep.kumar@freescale.com>
  *
- * Copyright (c) 2002-2006 Freescale Semiconductor, Inc.
- * Copyright (c) 2007 MontaVista Software, Inc.
+ * Copyright 2002-2009 Freescale Semiconductor, Inc.
+ * Copyright 2007 MontaVista Software, Inc.
  *
  * This program is free software; you can redistribute  it and/or modify it
  * under  the terms of  the GNU General  Public License as published by the
@@ -109,7 +110,7 @@ static void gfar_reset_task(struct work_struct *work);
 static void gfar_timeout(struct net_device *dev);
 static int gfar_close(struct net_device *dev);
 struct sk_buff *gfar_new_skb(struct net_device *dev);
-static void gfar_new_rxbdp(struct net_device *dev, struct rxbd8 *bdp,
+static void gfar_new_rxbdp(struct gfar_priv_rx_q *rx_queue, struct rxbd8 *bdp,
 		struct sk_buff *skb);
 static int gfar_set_mac_address(struct net_device *dev);
 static int gfar_change_mtu(struct net_device *dev, int new_mtu);
@@ -130,8 +131,8 @@ static int gfar_poll(struct napi_struct *napi, int budget);
 #ifdef CONFIG_NET_POLL_CONTROLLER
 static void gfar_netpoll(struct net_device *dev);
 #endif
-int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit);
-static int gfar_clean_tx_ring(struct net_device *dev);
+int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue, int rx_work_limit);
+static int gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue);
 static int gfar_process_frame(struct net_device *dev, struct sk_buff *skb,
 			      int amount_pull);
 static void gfar_vlan_rx_register(struct net_device *netdev,
@@ -147,16 +148,16 @@ MODULE_AUTHOR("Freescale Semiconductor, Inc");
 MODULE_DESCRIPTION("Gianfar Ethernet Driver");
 MODULE_LICENSE("GPL");
 
-static void gfar_init_rxbdp(struct net_device *dev, struct rxbd8 *bdp,
+static void gfar_init_rxbdp(struct gfar_priv_rx_q *rx_queue, struct rxbd8 *bdp,
 			    dma_addr_t buf)
 {
-	struct gfar_private *priv = netdev_priv(dev);
+	struct net_device *dev = rx_queue->dev;
 	u32 lstatus;
 
 	bdp->bufPtr = buf;
 
 	lstatus = BD_LFLAG(RXBD_EMPTY | RXBD_INTERRUPT);
-	if (bdp == priv->rx_bd_base + priv->rx_ring_size - 1)
+	if (bdp == rx_queue->rx_bd_base + rx_queue->rx_ring_size - 1)
 		lstatus |= BD_LFLAG(RXBD_WRAP);
 
 	eieio();
@@ -167,20 +168,25 @@ static void gfar_init_rxbdp(struct net_device *dev, struct rxbd8 *bdp,
 static int gfar_init_bds(struct net_device *ndev)
 {
 	struct gfar_private *priv = netdev_priv(ndev);
+	struct gfar_priv_tx_q *tx_queue = NULL;
+	struct gfar_priv_rx_q *rx_queue = NULL;
 	struct txbd8 *txbdp;
 	struct rxbd8 *rxbdp;
 	int i;
 
+	tx_queue = priv->tx_queue;
+	rx_queue = priv->rx_queue;
+
 	/* Initialize some variables in our dev structure */
-	priv->num_txbdfree = priv->tx_ring_size;
-	priv->dirty_tx = priv->cur_tx = priv->tx_bd_base;
-	priv->cur_rx = priv->rx_bd_base;
-	priv->skb_curtx = priv->skb_dirtytx = 0;
-	priv->skb_currx = 0;
+	tx_queue->num_txbdfree = tx_queue->tx_ring_size;
+	tx_queue->dirty_tx = tx_queue->cur_tx = tx_queue->tx_bd_base;
+	rx_queue->cur_rx = rx_queue->rx_bd_base;
+	tx_queue->skb_curtx = tx_queue->skb_dirtytx = 0;
+	rx_queue->skb_currx = 0;
 
 	/* Initialize Transmit Descriptor Ring */
-	txbdp = priv->tx_bd_base;
-	for (i = 0; i < priv->tx_ring_size; i++) {
+	txbdp = tx_queue->tx_bd_base;
+	for (i = 0; i < tx_queue->tx_ring_size; i++) {
 		txbdp->lstatus = 0;
 		txbdp->bufPtr = 0;
 		txbdp++;
@@ -190,12 +196,12 @@ static int gfar_init_bds(struct net_device *ndev)
 	txbdp--;
 	txbdp->status |= TXBD_WRAP;
 
-	rxbdp = priv->rx_bd_base;
-	for (i = 0; i < priv->rx_ring_size; i++) {
-		struct sk_buff *skb = priv->rx_skbuff[i];
+	rxbdp = rx_queue->rx_bd_base;
+	for (i = 0; i < rx_queue->rx_ring_size; i++) {
+		struct sk_buff *skb = rx_queue->rx_skbuff[i];
 
 		if (skb) {
-			gfar_init_rxbdp(ndev, rxbdp, rxbdp->bufPtr);
+			gfar_init_rxbdp(rx_queue, rxbdp, rxbdp->bufPtr);
 		} else {
 			skb = gfar_new_skb(ndev);
 			if (!skb) {
@@ -203,9 +209,9 @@ static int gfar_init_bds(struct net_device *ndev)
 				       ndev->name);
 				return -ENOMEM;
 			}
-			priv->rx_skbuff[i] = skb;
+			rx_queue->rx_skbuff[i] = skb;
 
-			gfar_new_rxbdp(ndev, rxbdp, skb);
+			gfar_new_rxbdp(rx_queue, rxbdp, skb);
 		}
 
 		rxbdp++;
@@ -220,12 +226,17 @@ static int gfar_alloc_skb_resources(struct net_device *ndev)
 	int i;
 	struct gfar_private *priv = netdev_priv(ndev);
 	struct device *dev = &priv->ofdev->dev;
+	struct gfar_priv_tx_q *tx_queue = NULL;
+	struct gfar_priv_rx_q *rx_queue = NULL;
+
+	tx_queue = priv->tx_queue;
+	rx_queue = priv->rx_queue;
 
 	/* Allocate memory for the buffer descriptors */
 	vaddr = dma_alloc_coherent(dev,
-			sizeof(*priv->tx_bd_base) * priv->tx_ring_size +
-			sizeof(*priv->rx_bd_base) * priv->rx_ring_size,
-			&priv->tx_bd_dma_base, GFP_KERNEL);
+			sizeof(*tx_queue->tx_bd_base) * tx_queue->tx_ring_size +
+			sizeof(*rx_queue->rx_bd_base) * rx_queue->rx_ring_size,
+			&tx_queue->tx_bd_dma_base, GFP_KERNEL);
 	if (!vaddr) {
 		if (netif_msg_ifup(priv))
 			pr_err("%s: Could not allocate buffer descriptors!\n",
@@ -233,36 +244,38 @@ static int gfar_alloc_skb_resources(struct net_device *ndev)
 		return -ENOMEM;
 	}
 
-	priv->tx_bd_base = vaddr;
+	tx_queue->tx_bd_base = vaddr;
+	tx_queue->dev = ndev;
 
 	/* Start the rx descriptor ring where the tx ring leaves off */
-	vaddr = vaddr + sizeof(*priv->tx_bd_base) * priv->tx_ring_size;
-	priv->rx_bd_base = vaddr;
+	vaddr = vaddr + sizeof(*tx_queue->tx_bd_base) * tx_queue->tx_ring_size;
+	rx_queue->rx_bd_base = vaddr;
+	rx_queue->dev = ndev;
 
 	/* Setup the skbuff rings */
-	priv->tx_skbuff = kmalloc(sizeof(*priv->tx_skbuff) *
-				  priv->tx_ring_size, GFP_KERNEL);
-	if (!priv->tx_skbuff) {
+	tx_queue->tx_skbuff = kmalloc(sizeof(*tx_queue->tx_skbuff) *
+				  tx_queue->tx_ring_size, GFP_KERNEL);
+	if (!tx_queue->tx_skbuff) {
 		if (netif_msg_ifup(priv))
 			pr_err("%s: Could not allocate tx_skbuff\n",
 			       ndev->name);
 		goto cleanup;
 	}
 
-	for (i = 0; i < priv->tx_ring_size; i++)
-		priv->tx_skbuff[i] = NULL;
+	for (i = 0; i < tx_queue->tx_ring_size; i++)
+		tx_queue->tx_skbuff[i] = NULL;
 
-	priv->rx_skbuff = kmalloc(sizeof(*priv->rx_skbuff) *
-				  priv->rx_ring_size, GFP_KERNEL);
-	if (!priv->rx_skbuff) {
+	rx_queue->rx_skbuff = kmalloc(sizeof(*rx_queue->rx_skbuff) *
+				  rx_queue->rx_ring_size, GFP_KERNEL);
+	if (!rx_queue->rx_skbuff) {
 		if (netif_msg_ifup(priv))
 			pr_err("%s: Could not allocate rx_skbuff\n",
 			       ndev->name);
 		goto cleanup;
 	}
 
-	for (i = 0; i < priv->rx_ring_size; i++)
-		priv->rx_skbuff[i] = NULL;
+	for (i = 0; i < rx_queue->rx_ring_size; i++)
+		rx_queue->rx_skbuff[i] = NULL;
 
 	if (gfar_init_bds(ndev))
 		goto cleanup;
@@ -278,24 +291,29 @@ static void gfar_init_mac(struct net_device *ndev)
 {
 	struct gfar_private *priv = netdev_priv(ndev);
 	struct gfar __iomem *regs = priv->regs;
+	struct gfar_priv_tx_q *tx_queue = NULL;
+	struct gfar_priv_rx_q *rx_queue = NULL;
 	u32 rctrl = 0;
 	u32 tctrl = 0;
 	u32 attrs = 0;
 
+	tx_queue = priv->tx_queue;
+	rx_queue = priv->rx_queue;
+
 	/* enet DMA only understands physical addresses */
-	gfar_write(&regs->tbase0, priv->tx_bd_dma_base);
-	gfar_write(&regs->rbase0, priv->tx_bd_dma_base +
-				  sizeof(*priv->tx_bd_base) *
-				  priv->tx_ring_size);
+	gfar_write(&regs->tbase0, tx_queue->tx_bd_dma_base);
+	gfar_write(&regs->rbase0, tx_queue->tx_bd_dma_base +
+				  sizeof(*tx_queue->tx_bd_base) *
+				  tx_queue->tx_ring_size);
 
 	/* Configure the coalescing support */
 	gfar_write(&regs->txic, 0);
-	if (priv->txcoalescing)
-		gfar_write(&regs->txic, priv->txic);
+	if (tx_queue->txcoalescing)
+		gfar_write(&regs->txic, tx_queue->txic);
 
 	gfar_write(&regs->rxic, 0);
-	if (priv->rxcoalescing)
-		gfar_write(&regs->rxic, priv->rxic);
+	if (rx_queue->rxcoalescing)
+		gfar_write(&regs->rxic, rx_queue->rxic);
 
 	if (priv->rx_csum_enable)
 		rctrl |= RCTRL_CHECKSUMMING;
@@ -414,7 +432,7 @@ static int gfar_of_init(struct net_device *dev)
 
 	stash = of_get_property(np, "bd-stash", NULL);
 
-	if(stash) {
+	if (stash) {
 		priv->device_flags |= FSL_GIANFAR_DEV_HAS_BD_STASHING;
 		priv->bd_stash_en = 1;
 	}
@@ -519,8 +537,18 @@ static int gfar_probe(struct of_device *ofdev,
 	if (err)
 		goto regs_fail;
 
-	spin_lock_init(&priv->txlock);
-	spin_lock_init(&priv->rxlock);
+	priv->tx_queue = (struct gfar_priv_tx_q *)kmalloc(
+				sizeof (struct gfar_priv_tx_q), GFP_KERNEL);
+	if (!priv->tx_queue)
+		goto regs_fail;
+
+	priv->rx_queue = (struct gfar_priv_rx_q *)kmalloc(
+				sizeof (struct gfar_priv_rx_q), GFP_KERNEL);
+	if (!priv->rx_queue)
+		goto rx_queue_fail;
+
+	spin_lock_init(&priv->tx_queue->txlock);
+	spin_lock_init(&priv->rx_queue->rxlock);
 	spin_lock_init(&priv->bflock);
 	INIT_WORK(&priv->reset_task, gfar_reset_task);
 
@@ -552,12 +580,13 @@ static int gfar_probe(struct of_device *ofdev,
 
 	/* Fill in the dev structure */
 	dev->watchdog_timeo = TX_TIMEOUT;
-	netif_napi_add(dev, &priv->napi, gfar_poll, GFAR_DEV_WEIGHT);
 	dev->mtu = 1500;
-
 	dev->netdev_ops = &gfar_netdev_ops;
 	dev->ethtool_ops = &gfar_ethtool_ops;
 
+	/* Register for napi ...NAPI is for each rx_queue */
+	netif_napi_add(dev, &priv->rx_queue->napi, gfar_poll, GFAR_DEV_WEIGHT);
+
 	if (priv->device_flags & FSL_GIANFAR_DEV_HAS_CSUM) {
 		priv->rx_csum_enable = 1;
 		dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_HIGHDMA;
@@ -613,14 +642,16 @@ static int gfar_probe(struct of_device *ofdev,
 		dev->hard_header_len += GMAC_FCB_LEN;
 
 	priv->rx_buffer_size = DEFAULT_RX_BUFFER_SIZE;
-	priv->tx_ring_size = DEFAULT_TX_RING_SIZE;
-	priv->rx_ring_size = DEFAULT_RX_RING_SIZE;
-	priv->num_txbdfree = DEFAULT_TX_RING_SIZE;
 
-	priv->txcoalescing = DEFAULT_TX_COALESCE;
-	priv->txic = DEFAULT_TXIC;
-	priv->rxcoalescing = DEFAULT_RX_COALESCE;
-	priv->rxic = DEFAULT_RXIC;
+	/* Initializing some of the rx/tx queue level parameters */
+	priv->tx_queue->tx_ring_size = DEFAULT_TX_RING_SIZE;
+	priv->tx_queue->num_txbdfree = DEFAULT_TX_RING_SIZE;
+	priv->tx_queue->txcoalescing = DEFAULT_TX_COALESCE;
+	priv->tx_queue->txic = DEFAULT_TXIC;
+
+	priv->rx_queue->rx_ring_size = DEFAULT_RX_RING_SIZE;
+	priv->rx_queue->rxcoalescing = DEFAULT_RX_COALESCE;
+	priv->rx_queue->rxic = DEFAULT_RXIC;
 
 	/* Enable most messages by default */
 	priv->msg_enable = (NETIF_MSG_IFUP << 1 ) - 1;
@@ -666,12 +697,15 @@ static int gfar_probe(struct of_device *ofdev,
 	/* provided which set of benchmarks. */
 	printk(KERN_INFO "%s: Running with NAPI enabled\n", dev->name);
 	printk(KERN_INFO "%s: %d/%d RX/TX BD ring size\n",
-	       dev->name, priv->rx_ring_size, priv->tx_ring_size);
+	       dev->name, priv->rx_queue->rx_ring_size, priv->tx_queue->tx_ring_size);
 
 	return 0;
 
 register_fail:
 	iounmap(priv->regs);
+	kfree(priv->rx_queue);
+rx_queue_fail:
+	kfree(priv->tx_queue);
 regs_fail:
 	if (priv->phy_node)
 		of_node_put(priv->phy_node);
@@ -705,6 +739,8 @@ static int gfar_suspend(struct device *dev)
 {
 	struct gfar_private *priv = dev_get_drvdata(dev);
 	struct net_device *ndev = priv->ndev;
+	struct gfar_priv_tx_q *tx_queue = NULL;
+	struct gfar_priv_rx_q *rx_queue = NULL;
 	unsigned long flags;
 	u32 tempval;
 
@@ -712,10 +748,12 @@ static int gfar_suspend(struct device *dev)
 		(priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET);
 
 	netif_device_detach(ndev);
+	tx_queue = priv->tx_queue;
+	rx_queue = priv->rx_queue;
 
 	if (netif_running(ndev)) {
-		spin_lock_irqsave(&priv->txlock, flags);
-		spin_lock(&priv->rxlock);
+		spin_lock_irqsave(&tx_queue->txlock, flags);
+		spin_lock(&rx_queue->rxlock);
 
 		gfar_halt_nodisable(ndev);
 
@@ -729,10 +767,10 @@ static int gfar_suspend(struct device *dev)
 
 		gfar_write(&priv->regs->maccfg1, tempval);
 
-		spin_unlock(&priv->rxlock);
-		spin_unlock_irqrestore(&priv->txlock, flags);
+		spin_unlock(&rx_queue->rxlock);
+		spin_unlock_irqrestore(&tx_queue->txlock, flags);
 
-		napi_disable(&priv->napi);
+		napi_disable(&rx_queue->napi);
 
 		if (magic_packet) {
 			/* Enable interrupt on Magic Packet */
@@ -754,6 +792,8 @@ static int gfar_resume(struct device *dev)
 {
 	struct gfar_private *priv = dev_get_drvdata(dev);
 	struct net_device *ndev = priv->ndev;
+	struct gfar_priv_tx_q *tx_queue = NULL;
+	struct gfar_priv_rx_q *rx_queue = NULL;
 	unsigned long flags;
 	u32 tempval;
 	int magic_packet = priv->wol_en &&
@@ -770,9 +810,11 @@ static int gfar_resume(struct device *dev)
 	/* Disable Magic Packet mode, in case something
 	 * else woke us up.
 	 */
+	rx_queue = priv->rx_queue;
+	tx_queue = priv->tx_queue;
 
-	spin_lock_irqsave(&priv->txlock, flags);
-	spin_lock(&priv->rxlock);
+	spin_lock_irqsave(&tx_queue->txlock, flags);
+	spin_lock(&rx_queue->rxlock);
 
 	tempval = gfar_read(&priv->regs->maccfg2);
 	tempval &= ~MACCFG2_MPEN;
@@ -780,12 +822,12 @@ static int gfar_resume(struct device *dev)
 
 	gfar_start(ndev);
 
-	spin_unlock(&priv->rxlock);
-	spin_unlock_irqrestore(&priv->txlock, flags);
+	spin_unlock(&rx_queue->rxlock);
+	spin_unlock_irqrestore(&tx_queue->txlock, flags);
 
 	netif_device_attach(ndev);
 
-	napi_enable(&priv->napi);
+	napi_enable(&rx_queue->napi);
 
 	return 0;
 }
@@ -1060,18 +1102,23 @@ void gfar_halt(struct net_device *dev)
 void stop_gfar(struct net_device *dev)
 {
 	struct gfar_private *priv = netdev_priv(dev);
+	struct gfar_priv_tx_q *tx_queue = NULL;
+	struct gfar_priv_rx_q *rx_queue = NULL;
 	unsigned long flags;
 
 	phy_stop(priv->phydev);
 
+	tx_queue = priv->tx_queue;
+	rx_queue = priv->rx_queue;
+
 	/* Lock it down */
-	spin_lock_irqsave(&priv->txlock, flags);
-	spin_lock(&priv->rxlock);
+	spin_lock_irqsave(&tx_queue->txlock, flags);
+	spin_lock(&rx_queue->rxlock);
 
 	gfar_halt(dev);
 
-	spin_unlock(&priv->rxlock);
-	spin_unlock_irqrestore(&priv->txlock, flags);
+	spin_unlock(&rx_queue->rxlock);
+	spin_unlock_irqrestore(&tx_queue->txlock, flags);
 
 	/* Free the IRQs */
 	if (priv->device_flags & FSL_GIANFAR_DEV_HAS_MULTI_INTR) {
@@ -1092,46 +1139,50 @@ static void free_skb_resources(struct gfar_private *priv)
 	struct device *dev = &priv->ofdev->dev;
 	struct rxbd8 *rxbdp;
 	struct txbd8 *txbdp;
+	struct gfar_priv_tx_q *tx_queue = NULL;
+	struct gfar_priv_rx_q *rx_queue = NULL;
 	int i, j;
 
 	/* Go through all the buffer descriptors and free their data buffers */
-	txbdp = priv->tx_bd_base;
+	tx_queue = priv->tx_queue;
+	txbdp = tx_queue->tx_bd_base;
 
-	if (!priv->tx_skbuff)
+	if (!tx_queue->tx_skbuff)
 		goto skip_tx_skbuff;
 
-	for (i = 0; i < priv->tx_ring_size; i++) {
-		if (!priv->tx_skbuff[i])
+	for (i = 0; i < tx_queue->tx_ring_size; i++) {
+		if (!tx_queue->tx_skbuff[i])
 			continue;
 
 		dma_unmap_single(&priv->ofdev->dev, txbdp->bufPtr,
 				txbdp->length, DMA_TO_DEVICE);
 		txbdp->lstatus = 0;
-		for (j = 0; j < skb_shinfo(priv->tx_skbuff[i])->nr_frags; j++) {
+		for (j = 0; j < skb_shinfo(tx_queue->tx_skbuff[i])->nr_frags; j++) {
 			txbdp++;
 			dma_unmap_page(&priv->ofdev->dev, txbdp->bufPtr,
 					txbdp->length, DMA_TO_DEVICE);
 		}
 		txbdp++;
-		dev_kfree_skb_any(priv->tx_skbuff[i]);
-		priv->tx_skbuff[i] = NULL;
+		dev_kfree_skb_any(tx_queue->tx_skbuff[i]);
+		tx_queue->tx_skbuff[i] = NULL;
 	}
 
-	kfree(priv->tx_skbuff);
+	kfree(tx_queue->tx_skbuff);
 skip_tx_skbuff:
 
-	rxbdp = priv->rx_bd_base;
+	rx_queue = priv->rx_queue;
+	rxbdp = rx_queue->rx_bd_base;
 
-	if (!priv->rx_skbuff)
+	if (!rx_queue->rx_skbuff)
 		goto skip_rx_skbuff;
 
-	for (i = 0; i < priv->rx_ring_size; i++) {
-		if (priv->rx_skbuff[i]) {
+	for (i = 0; i < rx_queue->rx_ring_size; i++) {
+		if (rx_queue->rx_skbuff[i]) {
 			dma_unmap_single(&priv->ofdev->dev, rxbdp->bufPtr,
 					 priv->rx_buffer_size,
 					DMA_FROM_DEVICE);
-			dev_kfree_skb_any(priv->rx_skbuff[i]);
-			priv->rx_skbuff[i] = NULL;
+			dev_kfree_skb_any(rx_queue->rx_skbuff[i]);
+			rx_queue->rx_skbuff[i] = NULL;
 		}
 
 		rxbdp->lstatus = 0;
@@ -1139,17 +1190,19 @@ skip_tx_skbuff:
 		rxbdp++;
 	}
 
-	kfree(priv->rx_skbuff);
+	kfree(rx_queue->rx_skbuff);
 skip_rx_skbuff:
 
-	dma_free_coherent(dev, sizeof(*txbdp) * priv->tx_ring_size +
-			       sizeof(*rxbdp) * priv->rx_ring_size,
-			  priv->tx_bd_base, priv->tx_bd_dma_base);
+	dma_free_coherent(dev, sizeof(*txbdp) * tx_queue->tx_ring_size +
+			       sizeof(*rxbdp) * rx_queue->rx_ring_size,
+			  tx_queue->tx_bd_base, tx_queue->tx_bd_dma_base);
 }
 
 void gfar_start(struct net_device *dev)
 {
 	struct gfar_private *priv = netdev_priv(dev);
+	struct gfar_priv_tx_q *tx_queue;
+	struct gfar_priv_rx_q *rx_queue;
 	struct gfar __iomem *regs = priv->regs;
 	u32 tempval;
 
@@ -1258,7 +1311,7 @@ static int gfar_enet_open(struct net_device *dev)
 	struct gfar_private *priv = netdev_priv(dev);
 	int err;
 
-	napi_enable(&priv->napi);
+	napi_enable(&priv->rx_queue->napi);
 
 	skb_queue_head_init(&priv->rx_recycle);
 
@@ -1269,14 +1322,14 @@ static int gfar_enet_open(struct net_device *dev)
 
 	err = init_phy(dev);
 
-	if(err) {
-		napi_disable(&priv->napi);
+	if (err) {
+		napi_disable(&priv->rx_queue->napi);
 		return err;
 	}
 
 	err = startup_gfar(dev);
 	if (err) {
-		napi_disable(&priv->napi);
+		napi_disable(&priv->rx_queue->napi);
 		return err;
 	}
 
@@ -1349,6 +1402,7 @@ static inline struct txbd8 *next_txbd(struct txbd8 *bdp, struct txbd8 *base,
 static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	struct gfar_private *priv = netdev_priv(dev);
+	struct gfar_priv_tx_q *tx_queue = NULL;
 	struct txfcb *fcb = NULL;
 	struct txbd8 *txbdp, *txbdp_start, *base;
 	u32 lstatus;
@@ -1357,7 +1411,8 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	unsigned long flags;
 	unsigned int nr_frags, length;
 
-	base = priv->tx_bd_base;
+	tx_queue = priv->tx_queue;
+	base = tx_queue->tx_bd_base;
 
 	/* make space for additional header when fcb is needed */
 	if (((skb->ip_summed == CHECKSUM_PARTIAL) ||
@@ -1378,21 +1433,21 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	/* total number of fragments in the SKB */
 	nr_frags = skb_shinfo(skb)->nr_frags;
 
-	spin_lock_irqsave(&priv->txlock, flags);
+	spin_lock_irqsave(&tx_queue->txlock, flags);
 
 	/* check if there is space to queue this packet */
-	if ((nr_frags+1) > priv->num_txbdfree) {
+	if ((nr_frags+1) > tx_queue->num_txbdfree) {
 		/* no space, stop the queue */
 		netif_stop_queue(dev);
 		dev->stats.tx_fifo_errors++;
-		spin_unlock_irqrestore(&priv->txlock, flags);
+		spin_unlock_irqrestore(&tx_queue->txlock, flags);
 		return NETDEV_TX_BUSY;
 	}
 
 	/* Update transmit stats */
 	dev->stats.tx_bytes += skb->len;
 
-	txbdp = txbdp_start = priv->cur_tx;
+	txbdp = txbdp_start = tx_queue->cur_tx;
 
 	if (nr_frags == 0) {
 		lstatus = txbdp->lstatus | BD_LFLAG(TXBD_LAST | TXBD_INTERRUPT);
@@ -1400,7 +1455,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
 		/* Place the fragment addresses and lengths into the TxBDs */
 		for (i = 0; i < nr_frags; i++) {
 			/* Point at the next BD, wrapping as needed */
-			txbdp = next_txbd(txbdp, base, priv->tx_ring_size);
+			txbdp = next_txbd(txbdp, base, tx_queue->tx_ring_size);
 
 			length = skb_shinfo(skb)->frags[i].size;
 
@@ -1442,7 +1497,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	}
 
 	/* setup the TxBD length and buffer pointer for the first BD */
-	priv->tx_skbuff[priv->skb_curtx] = skb;
+	tx_queue->tx_skbuff[tx_queue->skb_curtx] = skb;
 	txbdp_start->bufPtr = dma_map_single(&priv->ofdev->dev, skb->data,
 			skb_headlen(skb), DMA_TO_DEVICE);
 
@@ -1462,19 +1517,19 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
 	/* Update the current skb pointer to the next entry we will use
 	 * (wrapping if necessary) */
-	priv->skb_curtx = (priv->skb_curtx + 1) &
-		TX_RING_MOD_MASK(priv->tx_ring_size);
+	tx_queue->skb_curtx = (tx_queue->skb_curtx + 1) &
+		TX_RING_MOD_MASK(tx_queue->tx_ring_size);
 
-	priv->cur_tx = next_txbd(txbdp, base, priv->tx_ring_size);
+	tx_queue->cur_tx = next_txbd(txbdp, base, tx_queue->tx_ring_size);
 
 	/* reduce TxBD free count */
-	priv->num_txbdfree -= (nr_frags + 1);
+	tx_queue->num_txbdfree -= (nr_frags + 1);
 
 	dev->trans_start = jiffies;
 
 	/* If the next BD still needs to be cleaned up, then the bds
 	   are full.  We need to tell the kernel to stop sending us stuff. */
-	if (!priv->num_txbdfree) {
+	if (!tx_queue->num_txbdfree) {
 		netif_stop_queue(dev);
 
 		dev->stats.tx_fifo_errors++;
@@ -1484,7 +1539,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	gfar_write(&priv->regs->tstat, TSTAT_CLEAR_THALT);
 
 	/* Unlock priv */
-	spin_unlock_irqrestore(&priv->txlock, flags);
+	spin_unlock_irqrestore(&tx_queue->txlock, flags);
 
 	return NETDEV_TX_OK;
 }
@@ -1494,7 +1549,7 @@ static int gfar_close(struct net_device *dev)
 {
 	struct gfar_private *priv = netdev_priv(dev);
 
-	napi_disable(&priv->napi);
+	napi_disable(&priv->rx_queue->napi);
 
 	skb_queue_purge(&priv->rx_recycle);
 	cancel_work_sync(&priv->reset_task);
@@ -1523,10 +1578,12 @@ static void gfar_vlan_rx_register(struct net_device *dev,
 		struct vlan_group *grp)
 {
 	struct gfar_private *priv = netdev_priv(dev);
+	struct gfar_priv_rx_q *rx_queue = NULL;
 	unsigned long flags;
 	u32 tempval;
 
-	spin_lock_irqsave(&priv->rxlock, flags);
+	rx_queue = priv->rx_queue;
+	spin_lock_irqsave(&rx_queue->rxlock, flags);
 
 	priv->vlgrp = grp;
 
@@ -1560,7 +1617,7 @@ static void gfar_vlan_rx_register(struct net_device *dev,
 
 	gfar_change_mtu(dev, dev->mtu);
 
-	spin_unlock_irqrestore(&priv->rxlock, flags);
+	spin_unlock_irqrestore(&rx_queue->rxlock, flags);
 }
 
 static int gfar_change_mtu(struct net_device *dev, int new_mtu)
@@ -1649,24 +1706,27 @@ static void gfar_timeout(struct net_device *dev)
 }
 
 /* Interrupt Handler for Transmit complete */
-static int gfar_clean_tx_ring(struct net_device *dev)
+static int gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue)
 {
+	struct net_device *dev = tx_queue->dev;
 	struct gfar_private *priv = netdev_priv(dev);
+	struct gfar_priv_rx_q *rx_queue = NULL;
 	struct txbd8 *bdp;
 	struct txbd8 *lbdp = NULL;
-	struct txbd8 *base = priv->tx_bd_base;
+	struct txbd8 *base = tx_queue->tx_bd_base;
 	struct sk_buff *skb;
 	int skb_dirtytx;
-	int tx_ring_size = priv->tx_ring_size;
+	int tx_ring_size = tx_queue->tx_ring_size;
 	int frags = 0;
 	int i;
 	int howmany = 0;
 	u32 lstatus;
 
-	bdp = priv->dirty_tx;
-	skb_dirtytx = priv->skb_dirtytx;
+	rx_queue = priv->rx_queue;
+	bdp = tx_queue->dirty_tx;
+	skb_dirtytx = tx_queue->skb_dirtytx;
 
-	while ((skb = priv->tx_skbuff[skb_dirtytx])) {
+	while ((skb = tx_queue->tx_skbuff[skb_dirtytx])) {
 		frags = skb_shinfo(skb)->nr_frags;
 		lbdp = skip_txbd(bdp, frags, base, tx_ring_size);
 
@@ -1698,29 +1758,29 @@ static int gfar_clean_tx_ring(struct net_device *dev)
 		 * If there's room in the queue (limit it to rx_buffer_size)
 		 * we add this skb back into the pool, if it's the right size
 		 */
-		if (skb_queue_len(&priv->rx_recycle) < priv->rx_ring_size &&
+		if (skb_queue_len(&priv->rx_recycle) < rx_queue->rx_ring_size &&
 				skb_recycle_check(skb, priv->rx_buffer_size +
 					RXBUF_ALIGNMENT))
 			__skb_queue_head(&priv->rx_recycle, skb);
 		else
 			dev_kfree_skb_any(skb);
 
-		priv->tx_skbuff[skb_dirtytx] = NULL;
+		tx_queue->tx_skbuff[skb_dirtytx] = NULL;
 
 		skb_dirtytx = (skb_dirtytx + 1) &
 			TX_RING_MOD_MASK(tx_ring_size);
 
 		howmany++;
-		priv->num_txbdfree += frags + 1;
+		tx_queue->num_txbdfree += frags + 1;
 	}
 
 	/* If we freed a buffer, we can restart transmission, if necessary */
-	if (netif_queue_stopped(dev) && priv->num_txbdfree)
+	if (netif_queue_stopped(dev) && tx_queue->num_txbdfree)
 		netif_wake_queue(dev);
 
 	/* Update dirty indicators */
-	priv->skb_dirtytx = skb_dirtytx;
-	priv->dirty_tx = bdp;
+	tx_queue->skb_dirtytx = skb_dirtytx;
+	tx_queue->dirty_tx = bdp;
 
 	dev->stats.tx_packets += howmany;
 
@@ -1730,14 +1790,18 @@ static int gfar_clean_tx_ring(struct net_device *dev)
 static void gfar_schedule_cleanup(struct net_device *dev)
 {
 	struct gfar_private *priv = netdev_priv(dev);
+	struct gfar_priv_tx_q *tx_queue = NULL;
+	struct gfar_priv_rx_q *rx_queue = NULL;
 	unsigned long flags;
 
-	spin_lock_irqsave(&priv->txlock, flags);
-	spin_lock(&priv->rxlock);
+	rx_queue = priv->rx_queue;
+	tx_queue = priv->tx_queue;
+	spin_lock_irqsave(&tx_queue->txlock, flags);
+	spin_lock(&rx_queue->rxlock);
 
-	if (napi_schedule_prep(&priv->napi)) {
+	if (napi_schedule_prep(&rx_queue->napi)) {
 		gfar_write(&priv->regs->imask, IMASK_RTX_DISABLED);
-		__napi_schedule(&priv->napi);
+		__napi_schedule(&rx_queue->napi);
 	} else {
 		/*
 		 * Clear IEVENT, so interrupts aren't called again
@@ -1746,8 +1810,8 @@ static void gfar_schedule_cleanup(struct net_device *dev)
 		gfar_write(&priv->regs->ievent, IEVENT_RTX_MASK);
 	}
 
-	spin_unlock(&priv->rxlock);
-	spin_unlock_irqrestore(&priv->txlock, flags);
+	spin_unlock(&rx_queue->rxlock);
+	spin_unlock_irqrestore(&tx_queue->txlock, flags);
 }
 
 /* Interrupt Handler for Transmit complete */
@@ -1757,15 +1821,16 @@ static irqreturn_t gfar_transmit(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-static void gfar_new_rxbdp(struct net_device *dev, struct rxbd8 *bdp,
+static void gfar_new_rxbdp(struct gfar_priv_rx_q *rx_queue, struct rxbd8 *bdp,
 		struct sk_buff *skb)
 {
+	struct net_device *dev = rx_queue->dev;
 	struct gfar_private *priv = netdev_priv(dev);
 	dma_addr_t buf;
 
 	buf = dma_map_single(&priv->ofdev->dev, skb->data,
 			     priv->rx_buffer_size, DMA_FROM_DEVICE);
-	gfar_init_rxbdp(dev, bdp, buf);
+	gfar_init_rxbdp(rx_queue, bdp, buf);
 }
 
 
@@ -1890,8 +1955,9 @@ static int gfar_process_frame(struct net_device *dev, struct sk_buff *skb,
  *   until the budget/quota has been reached. Returns the number
  *   of frames handled
  */
-int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit)
+int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue, int rx_work_limit)
 {
+	struct net_device *dev = rx_queue->dev;
 	struct rxbd8 *bdp, *base;
 	struct sk_buff *skb;
 	int pkt_len;
@@ -1900,8 +1966,8 @@ int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit)
 	struct gfar_private *priv = netdev_priv(dev);
 
 	/* Get the first full descriptor */
-	bdp = priv->cur_rx;
-	base = priv->rx_bd_base;
+	bdp = rx_queue->cur_rx;
+	base = rx_queue->rx_bd_base;
 
 	amount_pull = (gfar_uses_fcb(priv) ? GMAC_FCB_LEN : 0) +
 		priv->padding;
@@ -1913,7 +1979,7 @@ int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit)
 		/* Add another skb for the future */
 		newskb = gfar_new_skb(dev);
 
-		skb = priv->rx_skbuff[priv->skb_currx];
+		skb = rx_queue->rx_skbuff[rx_queue->skb_currx];
 
 		dma_unmap_single(&priv->ofdev->dev, bdp->bufPtr,
 				priv->rx_buffer_size, DMA_FROM_DEVICE);
@@ -1961,30 +2027,33 @@ int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit)
 
 		}
 
-		priv->rx_skbuff[priv->skb_currx] = newskb;
+		rx_queue->rx_skbuff[rx_queue->skb_currx] = newskb;
 
 		/* Setup the new bdp */
-		gfar_new_rxbdp(dev, bdp, newskb);
+		gfar_new_rxbdp(rx_queue, bdp, newskb);
 
 		/* Update to the next pointer */
-		bdp = next_bd(bdp, base, priv->rx_ring_size);
+		bdp = next_bd(bdp, base, rx_queue->rx_ring_size);
 
 		/* update to point at the next skb */
-		priv->skb_currx =
-		    (priv->skb_currx + 1) &
-		    RX_RING_MOD_MASK(priv->rx_ring_size);
+		rx_queue->skb_currx =
+		    (rx_queue->skb_currx + 1) &
+		    RX_RING_MOD_MASK(rx_queue->rx_ring_size);
 	}
 
 	/* Update the current rxbd pointer to be the next one */
-	priv->cur_rx = bdp;
+	rx_queue->cur_rx = bdp;
 
 	return howmany;
 }
 
 static int gfar_poll(struct napi_struct *napi, int budget)
 {
-	struct gfar_private *priv = container_of(napi, struct gfar_private, napi);
-	struct net_device *dev = priv->ndev;
+	struct gfar_priv_rx_q *rx_queue = container_of(napi,
+			struct gfar_priv_rx_q, napi);
+	struct net_device *dev = rx_queue->dev;
+	struct gfar_private *priv = netdev_priv(dev);
+	struct gfar_priv_tx_q *tx_queue = NULL;
 	int tx_cleaned = 0;
 	int rx_cleaned = 0;
 	unsigned long flags;
@@ -1992,14 +2061,15 @@ static int gfar_poll(struct napi_struct *napi, int budget)
 	/* Clear IEVENT, so interrupts aren't called again
 	 * because of the packets that have already arrived */
 	gfar_write(&priv->regs->ievent, IEVENT_RTX_MASK);
+	tx_queue = priv->tx_queue;
 
 	/* If we fail to get the lock, don't bother with the TX BDs */
-	if (spin_trylock_irqsave(&priv->txlock, flags)) {
-		tx_cleaned = gfar_clean_tx_ring(dev);
-		spin_unlock_irqrestore(&priv->txlock, flags);
+	if (spin_trylock_irqsave(&tx_queue->txlock, flags)) {
+		tx_cleaned = gfar_clean_tx_ring(tx_queue);
+		spin_unlock_irqrestore(&tx_queue->txlock, flags);
 	}
 
-	rx_cleaned = gfar_clean_rx_ring(dev, budget);
+	rx_cleaned = gfar_clean_rx_ring(rx_queue, budget);
 
 	if (tx_cleaned)
 		return budget;
@@ -2014,13 +2084,13 @@ static int gfar_poll(struct napi_struct *napi, int budget)
 
 		/* If we are coalescing interrupts, update the timer */
 		/* Otherwise, clear it */
-		if (likely(priv->rxcoalescing)) {
+		if (likely(rx_queue->rxcoalescing)) {
 			gfar_write(&priv->regs->rxic, 0);
-			gfar_write(&priv->regs->rxic, priv->rxic);
+			gfar_write(&priv->regs->rxic, rx_queue->rxic);
 		}
-		if (likely(priv->txcoalescing)) {
+		if (likely(tx_queue->txcoalescing)) {
 			gfar_write(&priv->regs->txic, 0);
-			gfar_write(&priv->regs->txic, priv->txic);
+			gfar_write(&priv->regs->txic, tx_queue->txic);
 		}
 	}
 
@@ -2087,12 +2157,14 @@ static irqreturn_t gfar_interrupt(int irq, void *dev_id)
 static void adjust_link(struct net_device *dev)
 {
 	struct gfar_private *priv = netdev_priv(dev);
+	struct gfar_priv_tx_q *tx_queue = NULL;
 	struct gfar __iomem *regs = priv->regs;
 	unsigned long flags;
 	struct phy_device *phydev = priv->phydev;
 	int new_state = 0;
 
-	spin_lock_irqsave(&priv->txlock, flags);
+	tx_queue = priv->tx_queue;
+	spin_lock_irqsave(&tx_queue->txlock, flags);
 	if (phydev->link) {
 		u32 tempval = gfar_read(&regs->maccfg2);
 		u32 ecntrl = gfar_read(&regs->ecntrl);
@@ -2158,7 +2230,7 @@ static void adjust_link(struct net_device *dev)
 	if (new_state && netif_msg_link(priv))
 		phy_print_status(phydev);
 
-	spin_unlock_irqrestore(&priv->txlock, flags);
+	spin_unlock_irqrestore(&tx_queue->txlock, flags);
 }
 
 /* Update the hash table based on the current list of multicast
@@ -2172,7 +2244,7 @@ static void gfar_set_multi(struct net_device *dev)
 	struct gfar __iomem *regs = priv->regs;
 	u32 tempval;
 
-	if(dev->flags & IFF_PROMISC) {
+	if (dev->flags & IFF_PROMISC) {
 		/* Set RCTRL to PROM */
 		tempval = gfar_read(&regs->rctrl);
 		tempval |= RCTRL_PROM;
@@ -2184,7 +2256,7 @@ static void gfar_set_multi(struct net_device *dev)
 		gfar_write(&regs->rctrl, tempval);
 	}
 
-	if(dev->flags & IFF_ALLMULTI) {
+	if (dev->flags & IFF_ALLMULTI) {
 		/* Set the hash to rx all multicast frames */
 		gfar_write(&regs->igaddr0, 0xffffffff);
 		gfar_write(&regs->igaddr1, 0xffffffff);
@@ -2236,7 +2308,7 @@ static void gfar_set_multi(struct net_device *dev)
 			em_num = 0;
 		}
 
-		if(dev->mc_count == 0)
+		if (dev->mc_count == 0)
 			return;
 
 		/* Parse the list, and set the appropriate bits */
diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h
index 05732faa2f9..a60f93f1ae0 100644
--- a/drivers/net/gianfar.h
+++ b/drivers/net/gianfar.h
@@ -7,8 +7,9 @@
  *
  * Author: Andy Fleming
  * Maintainer: Kumar Gala
+ * Modifier: Sandeep Gopalpet <sandeep.kumar@freescale.com>
  *
- * Copyright (c) 2002-2004 Freescale Semiconductor, Inc.
+ * Copyright 2002-2009 Freescale Semiconductor, Inc.
  *
  * This program is free software; you can redistribute  it and/or modify it
  * under  the terms of  the GNU General  Public License as published by the
@@ -699,6 +700,76 @@ struct gfar {
 #define FSL_GIANFAR_DEV_HAS_BD_STASHING		0x00000200
 #define FSL_GIANFAR_DEV_HAS_BUF_STASHING	0x00000400
 
+/**
+ *	struct gfar_priv_tx_q - per tx queue structure
+ *	@txlock: per queue tx spin lock
+ *	@tx_skbuff:skb pointers
+ *	@skb_curtx: to be used skb pointer
+ *	@skb_dirtytx:the last used skb pointer
+ *	@qindex: index of this queue
+ *	@dev: back pointer to the dev structure
+ *	@grp: back pointer to the group to which this queue belongs
+ *	@tx_bd_base: First tx buffer descriptor
+ *	@cur_tx: Next free ring entry
+ *	@dirty_tx: First buffer in line to be transmitted
+ *	@tx_ring_size: Tx ring size
+ *	@num_txbdfree: number of free TxBds
+ *	@txcoalescing: enable/disable tx coalescing
+ *	@txic: transmit interrupt coalescing value
+ *	@txcount: coalescing value if based on tx frame count
+ *	@txtime: coalescing value if based on time
+ */
+struct gfar_priv_tx_q {
+	spinlock_t txlock __attribute__ ((aligned (SMP_CACHE_BYTES)));
+	struct sk_buff ** tx_skbuff;
+	/* Buffer descriptor pointers */
+	dma_addr_t tx_bd_dma_base;
+	struct	txbd8 *tx_bd_base;
+	struct	txbd8 *cur_tx;
+	struct	txbd8 *dirty_tx;
+	struct	net_device *dev;
+	u16	skb_curtx;
+	u16	skb_dirtytx;
+	u16	qindex;
+	unsigned int tx_ring_size;
+	unsigned int num_txbdfree;
+	/* Configuration info for the coalescing features */
+	unsigned char txcoalescing;
+	unsigned long txic;
+	unsigned short txcount;
+	unsigned short txtime;
+};
+
+/**
+ *	struct gfar_priv_rx_q - per rx queue structure
+ *	@rxlock: per queue rx spin lock
+ *	@napi: the napi poll function
+ *	@rx_skbuff: skb pointers
+ *	@skb_currx: currently use skb pointer
+ *	@rx_bd_base: First rx buffer descriptor
+ *	@cur_rx: Next free rx ring entry
+ *	@qindex: index of this queue
+ *	@dev: back pointer to the dev structure
+ *	@rx_ring_size: Rx ring size
+ *	@rxcoalescing: enable/disable rx-coalescing
+ *	@rxic: receive interrupt coalescing vlaue
+ */
+
+struct gfar_priv_rx_q {
+	spinlock_t rxlock __attribute__ ((aligned (SMP_CACHE_BYTES)));
+	struct	napi_struct napi;
+	struct	sk_buff ** rx_skbuff;
+	struct	rxbd8 *rx_bd_base;
+	struct	rxbd8 *cur_rx;
+	struct	net_device *dev;
+	u16	skb_currx;
+	u16	qindex;
+	unsigned int	rx_ring_size;
+	/* RX Coalescing values */
+	unsigned char rxcoalescing;
+	unsigned long rxic;
+};
+
 /* Struct stolen almost completely (and shamelessly) from the FCC enet source
  * (Ok, that's not so true anymore, but there is a family resemblence)
  * The GFAR buffer descriptors track the ring buffers.  The rx_bd_base
@@ -709,52 +780,15 @@ struct gfar {
  * the buffer descriptor determines the actual condition.
  */
 struct gfar_private {
-	/* Fields controlled by TX lock */
-	spinlock_t txlock;
-
-	/* Pointer to the array of skbuffs */
-	struct sk_buff ** tx_skbuff;
-
-	/* next free skb in the array */
-	u16 skb_curtx;
-
-	/* First skb in line to be transmitted */
-	u16 skb_dirtytx;
-
-	/* Configuration info for the coalescing features */
-	unsigned char txcoalescing;
-	unsigned long txic;
-
-	/* Buffer descriptor pointers */
-	dma_addr_t tx_bd_dma_base;
-	struct txbd8 *tx_bd_base;	/* First tx buffer descriptor */
-	struct txbd8 *cur_tx;	        /* Next free ring entry */
-	struct txbd8 *dirty_tx;		/* First buffer in line
-					   to be transmitted */
-	unsigned int tx_ring_size;
-	unsigned int num_txbdfree;	/* number of TxBDs free */
-
-	/* RX Locked fields */
-	spinlock_t rxlock;
 
 	struct device_node *node;
 	struct net_device *ndev;
 	struct of_device *ofdev;
-	struct napi_struct napi;
-
-	/* skb array and index */
-	struct sk_buff ** rx_skbuff;
-	u16 skb_currx;
-
-	/* RX Coalescing values */
-	unsigned char rxcoalescing;
-	unsigned long rxic;
 
-	struct rxbd8 *rx_bd_base;	/* First Rx buffers */
-	struct rxbd8 *cur_rx;           /* Next free rx ring entry */
+	struct gfar_priv_tx_q *tx_queue;
+	struct gfar_priv_rx_q *rx_queue;
 
-	/* RX parameters */
-	unsigned int rx_ring_size;
+	/* RX per device parameters */
 	unsigned int rx_buffer_size;
 	unsigned int rx_stash_size;
 	unsigned int rx_stash_index;
diff --git a/drivers/net/gianfar_ethtool.c b/drivers/net/gianfar_ethtool.c
index 6c144b525b4..6d0d1714c2f 100644
--- a/drivers/net/gianfar_ethtool.c
+++ b/drivers/net/gianfar_ethtool.c
@@ -7,8 +7,9 @@
  *
  *  Author: Andy Fleming
  *  Maintainer: Kumar Gala
+ *  Modifier: Sandeep Gopalpet <sandeep.kumar@freescale.com>
  *
- *  Copyright (c) 2003,2004 Freescale Semiconductor, Inc.
+ *  Copyright 2003-2006, 2008-2009 Freescale Semiconductor, Inc.
  *
  *  This software may be used and distributed according to
  *  the terms of the GNU Public License, Version 2, incorporated herein
@@ -41,7 +42,7 @@
 #include "gianfar.h"
 
 extern void gfar_start(struct net_device *dev);
-extern int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit);
+extern int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue, int rx_work_limit);
 
 #define GFAR_MAX_COAL_USECS 0xffff
 #define GFAR_MAX_COAL_FRAMES 0xff
@@ -197,12 +198,16 @@ static int gfar_gsettings(struct net_device *dev, struct ethtool_cmd *cmd)
 {
 	struct gfar_private *priv = netdev_priv(dev);
 	struct phy_device *phydev = priv->phydev;
+	struct gfar_priv_rx_q *rx_queue = NULL;
+	struct gfar_priv_tx_q *tx_queue = NULL;
 
 	if (NULL == phydev)
 		return -ENODEV;
+	tx_queue = priv->tx_queue;
+	rx_queue = priv->rx_queue;
 
-	cmd->maxtxpkt = get_icft_value(priv->txic);
-	cmd->maxrxpkt = get_icft_value(priv->rxic);
+	cmd->maxtxpkt = get_icft_value(tx_queue->txic);
+	cmd->maxrxpkt = get_icft_value(rx_queue->rxic);
 
 	return phy_ethtool_gset(phydev, cmd);
 }
@@ -279,6 +284,8 @@ static unsigned int gfar_ticks2usecs(struct gfar_private *priv, unsigned int tic
 static int gfar_gcoalesce(struct net_device *dev, struct ethtool_coalesce *cvals)
 {
 	struct gfar_private *priv = netdev_priv(dev);
+	struct gfar_priv_rx_q *rx_queue = NULL;
+	struct gfar_priv_tx_q *tx_queue = NULL;
 	unsigned long rxtime;
 	unsigned long rxcount;
 	unsigned long txtime;
@@ -290,10 +297,13 @@ static int gfar_gcoalesce(struct net_device *dev, struct ethtool_coalesce *cvals
 	if (NULL == priv->phydev)
 		return -ENODEV;
 
-	rxtime  = get_ictt_value(priv->rxic);
-	rxcount = get_icft_value(priv->rxic);
-	txtime  = get_ictt_value(priv->txic);
-	txcount = get_icft_value(priv->txic);
+	rx_queue = priv->rx_queue;
+	tx_queue = priv->tx_queue;
+
+	rxtime  = get_ictt_value(rx_queue->rxic);
+	rxcount = get_icft_value(rx_queue->rxic);
+	txtime  = get_ictt_value(tx_queue->txic);
+	txcount = get_icft_value(tx_queue->txic);
 	cvals->rx_coalesce_usecs = gfar_ticks2usecs(priv, rxtime);
 	cvals->rx_max_coalesced_frames = rxcount;
 
@@ -339,16 +349,21 @@ static int gfar_gcoalesce(struct net_device *dev, struct ethtool_coalesce *cvals
 static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals)
 {
 	struct gfar_private *priv = netdev_priv(dev);
+	struct gfar_priv_tx_q *tx_queue = NULL;
+	struct gfar_priv_rx_q *rx_queue = NULL;
 
 	if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE))
 		return -EOPNOTSUPP;
 
+	tx_queue = priv->tx_queue;
+	rx_queue = priv->rx_queue;
+
 	/* Set up rx coalescing */
 	if ((cvals->rx_coalesce_usecs == 0) ||
 	    (cvals->rx_max_coalesced_frames == 0))
-		priv->rxcoalescing = 0;
+		rx_queue->rxcoalescing = 0;
 	else
-		priv->rxcoalescing = 1;
+		rx_queue->rxcoalescing = 1;
 
 	if (NULL == priv->phydev)
 		return -ENODEV;
@@ -366,15 +381,15 @@ static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals
 		return -EINVAL;
 	}
 
-	priv->rxic = mk_ic_value(cvals->rx_max_coalesced_frames,
+	rx_queue->rxic = mk_ic_value(cvals->rx_max_coalesced_frames,
 		gfar_usecs2ticks(priv, cvals->rx_coalesce_usecs));
 
 	/* Set up tx coalescing */
 	if ((cvals->tx_coalesce_usecs == 0) ||
 	    (cvals->tx_max_coalesced_frames == 0))
-		priv->txcoalescing = 0;
+		tx_queue->txcoalescing = 0;
 	else
-		priv->txcoalescing = 1;
+		tx_queue->txcoalescing = 1;
 
 	/* Check the bounds of the values */
 	if (cvals->tx_coalesce_usecs > GFAR_MAX_COAL_USECS) {
@@ -389,16 +404,16 @@ static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals
 		return -EINVAL;
 	}
 
-	priv->txic = mk_ic_value(cvals->tx_max_coalesced_frames,
+	tx_queue->txic = mk_ic_value(cvals->tx_max_coalesced_frames,
 		gfar_usecs2ticks(priv, cvals->tx_coalesce_usecs));
 
 	gfar_write(&priv->regs->rxic, 0);
-	if (priv->rxcoalescing)
-		gfar_write(&priv->regs->rxic, priv->rxic);
+	if (rx_queue->rxcoalescing)
+		gfar_write(&priv->regs->rxic, rx_queue->rxic);
 
 	gfar_write(&priv->regs->txic, 0);
-	if (priv->txcoalescing)
-		gfar_write(&priv->regs->txic, priv->txic);
+	if (tx_queue->txcoalescing)
+		gfar_write(&priv->regs->txic, tx_queue->txic);
 
 	return 0;
 }
@@ -409,6 +424,11 @@ static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals
 static void gfar_gringparam(struct net_device *dev, struct ethtool_ringparam *rvals)
 {
 	struct gfar_private *priv = netdev_priv(dev);
+	struct gfar_priv_tx_q *tx_queue = NULL;
+	struct gfar_priv_rx_q *rx_queue = NULL;
+
+	tx_queue = priv->tx_queue;
+	rx_queue = priv->rx_queue;
 
 	rvals->rx_max_pending = GFAR_RX_MAX_RING_SIZE;
 	rvals->rx_mini_max_pending = GFAR_RX_MAX_RING_SIZE;
@@ -418,10 +438,10 @@ static void gfar_gringparam(struct net_device *dev, struct ethtool_ringparam *rv
 	/* Values changeable by the user.  The valid values are
 	 * in the range 1 to the "*_max_pending" counterpart above.
 	 */
-	rvals->rx_pending = priv->rx_ring_size;
-	rvals->rx_mini_pending = priv->rx_ring_size;
-	rvals->rx_jumbo_pending = priv->rx_ring_size;
-	rvals->tx_pending = priv->tx_ring_size;
+	rvals->rx_pending = rx_queue->rx_ring_size;
+	rvals->rx_mini_pending = rx_queue->rx_ring_size;
+	rvals->rx_jumbo_pending = rx_queue->rx_ring_size;
+	rvals->tx_pending = tx_queue->tx_ring_size;
 }
 
 /* Change the current ring parameters, stopping the controller if
@@ -431,6 +451,8 @@ static void gfar_gringparam(struct net_device *dev, struct ethtool_ringparam *rv
 static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rvals)
 {
 	struct gfar_private *priv = netdev_priv(dev);
+	struct gfar_priv_tx_q *tx_queue = NULL;
+	struct gfar_priv_rx_q *rx_queue = NULL;
 	int err = 0;
 
 	if (rvals->rx_pending > GFAR_RX_MAX_RING_SIZE)
@@ -451,29 +473,32 @@ static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rva
 		return -EINVAL;
 	}
 
+	tx_queue = priv->tx_queue;
+	rx_queue = priv->rx_queue;
+
 	if (dev->flags & IFF_UP) {
 		unsigned long flags;
 
 		/* Halt TX and RX, and process the frames which
 		 * have already been received */
-		spin_lock_irqsave(&priv->txlock, flags);
-		spin_lock(&priv->rxlock);
+		spin_lock_irqsave(&tx_queue->txlock, flags);
+		spin_lock(&rx_queue->rxlock);
 
 		gfar_halt(dev);
 
-		spin_unlock(&priv->rxlock);
-		spin_unlock_irqrestore(&priv->txlock, flags);
+		spin_unlock(&rx_queue->rxlock);
+		spin_unlock_irqrestore(&tx_queue->txlock, flags);
 
-		gfar_clean_rx_ring(dev, priv->rx_ring_size);
+		gfar_clean_rx_ring(rx_queue, rx_queue->rx_ring_size);
 
 		/* Now we take down the rings to rebuild them */
 		stop_gfar(dev);
 	}
 
 	/* Change the size */
-	priv->rx_ring_size = rvals->rx_pending;
-	priv->tx_ring_size = rvals->tx_pending;
-	priv->num_txbdfree = priv->tx_ring_size;
+	rx_queue->rx_ring_size = rvals->rx_pending;
+	tx_queue->tx_ring_size = rvals->tx_pending;
+	tx_queue->num_txbdfree = tx_queue->tx_ring_size;
 
 	/* Rebuild the rings with the new size */
 	if (dev->flags & IFF_UP) {
@@ -486,24 +511,29 @@ static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rva
 static int gfar_set_rx_csum(struct net_device *dev, uint32_t data)
 {
 	struct gfar_private *priv = netdev_priv(dev);
+	struct gfar_priv_rx_q *rx_queue = NULL;
+	struct gfar_priv_tx_q *tx_queue = NULL;
 	unsigned long flags;
 	int err = 0;
 
 	if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_CSUM))
 		return -EOPNOTSUPP;
 
+	tx_queue = priv->tx_queue;
+	rx_queue = priv->rx_queue;
+
 	if (dev->flags & IFF_UP) {
 		/* Halt TX and RX, and process the frames which
 		 * have already been received */
-		spin_lock_irqsave(&priv->txlock, flags);
-		spin_lock(&priv->rxlock);
+		spin_lock_irqsave(&tx_queue->txlock, flags);
+		spin_lock(&rx_queue->rxlock);
 
 		gfar_halt(dev);
 
-		spin_unlock(&priv->rxlock);
-		spin_unlock_irqrestore(&priv->txlock, flags);
+		spin_unlock(&rx_queue->rxlock);
+		spin_unlock_irqrestore(&tx_queue->txlock, flags);
 
-		gfar_clean_rx_ring(dev, priv->rx_ring_size);
+		gfar_clean_rx_ring(rx_queue, rx_queue->rx_ring_size);
 
 		/* Now we take down the rings to rebuild them */
 		stop_gfar(dev);
diff --git a/drivers/net/gianfar_sysfs.c b/drivers/net/gianfar_sysfs.c
index dd26da74f27..9c664f85705 100644
--- a/drivers/net/gianfar_sysfs.c
+++ b/drivers/net/gianfar_sysfs.c
@@ -8,8 +8,9 @@
  *
  * Author: Andy Fleming
  * Maintainer: Kumar Gala (galak@kernel.crashing.org)
+ * Modifier: Sandeep Gopalpet <sandeep.kumar@freescale.com>
  *
- * Copyright (c) 2002-2005 Freescale Semiconductor, Inc.
+ * Copyright 2002-2009 Freescale Semiconductor, Inc.
  *
  * This program is free software; you can redistribute  it and/or modify it
  * under  the terms of  the GNU General  Public License as published by the
@@ -49,6 +50,7 @@ static ssize_t gfar_set_bd_stash(struct device *dev,
 				 const char *buf, size_t count)
 {
 	struct gfar_private *priv = netdev_priv(to_net_dev(dev));
+	struct gfar_priv_rx_q *rx_queue = NULL;
 	int new_setting = 0;
 	u32 temp;
 	unsigned long flags;
@@ -56,6 +58,8 @@ static ssize_t gfar_set_bd_stash(struct device *dev,
 	if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_BD_STASHING))
 		return count;
 
+	rx_queue = priv->rx_queue;
+
 	/* Find out the new setting */
 	if (!strncmp("on", buf, count - 1) || !strncmp("1", buf, count - 1))
 		new_setting = 1;
@@ -65,7 +69,7 @@ static ssize_t gfar_set_bd_stash(struct device *dev,
 	else
 		return count;
 
-	spin_lock_irqsave(&priv->rxlock, flags);
+	spin_lock_irqsave(&rx_queue->rxlock, flags);
 
 	/* Set the new stashing value */
 	priv->bd_stash_en = new_setting;
@@ -79,7 +83,7 @@ static ssize_t gfar_set_bd_stash(struct device *dev,
 
 	gfar_write(&priv->regs->attr, temp);
 
-	spin_unlock_irqrestore(&priv->rxlock, flags);
+	spin_unlock_irqrestore(&rx_queue->rxlock, flags);
 
 	return count;
 }
@@ -99,6 +103,7 @@ static ssize_t gfar_set_rx_stash_size(struct device *dev,
 				      const char *buf, size_t count)
 {
 	struct gfar_private *priv = netdev_priv(to_net_dev(dev));
+	struct gfar_priv_rx_q *rx_queue = NULL;
 	unsigned int length = simple_strtoul(buf, NULL, 0);
 	u32 temp;
 	unsigned long flags;
@@ -106,7 +111,9 @@ static ssize_t gfar_set_rx_stash_size(struct device *dev,
 	if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_BUF_STASHING))
 		return count;
 
-	spin_lock_irqsave(&priv->rxlock, flags);
+	rx_queue = priv->rx_queue;
+
+	spin_lock_irqsave(&rx_queue->rxlock, flags);
 	if (length > priv->rx_buffer_size)
 		goto out;
 
@@ -131,7 +138,7 @@ static ssize_t gfar_set_rx_stash_size(struct device *dev,
 	gfar_write(&priv->regs->attr, temp);
 
 out:
-	spin_unlock_irqrestore(&priv->rxlock, flags);
+	spin_unlock_irqrestore(&rx_queue->rxlock, flags);
 
 	return count;
 }
@@ -154,6 +161,7 @@ static ssize_t gfar_set_rx_stash_index(struct device *dev,
 				       const char *buf, size_t count)
 {
 	struct gfar_private *priv = netdev_priv(to_net_dev(dev));
+	struct gfar_priv_rx_q *rx_queue = NULL;
 	unsigned short index = simple_strtoul(buf, NULL, 0);
 	u32 temp;
 	unsigned long flags;
@@ -161,7 +169,9 @@ static ssize_t gfar_set_rx_stash_index(struct device *dev,
 	if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_BUF_STASHING))
 		return count;
 
-	spin_lock_irqsave(&priv->rxlock, flags);
+	rx_queue = priv->rx_queue;
+
+	spin_lock_irqsave(&rx_queue->rxlock, flags);
 	if (index > priv->rx_stash_size)
 		goto out;
 
@@ -176,7 +186,7 @@ static ssize_t gfar_set_rx_stash_index(struct device *dev,
 	gfar_write(&priv->regs->attreli, flags);
 
 out:
-	spin_unlock_irqrestore(&priv->rxlock, flags);
+	spin_unlock_irqrestore(&rx_queue->rxlock, flags);
 
 	return count;
 }
@@ -198,6 +208,7 @@ static ssize_t gfar_set_fifo_threshold(struct device *dev,
 				       const char *buf, size_t count)
 {
 	struct gfar_private *priv = netdev_priv(to_net_dev(dev));
+	struct gfar_priv_tx_q *tx_queue = NULL;
 	unsigned int length = simple_strtoul(buf, NULL, 0);
 	u32 temp;
 	unsigned long flags;
@@ -205,7 +216,9 @@ static ssize_t gfar_set_fifo_threshold(struct device *dev,
 	if (length > GFAR_MAX_FIFO_THRESHOLD)
 		return count;
 
-	spin_lock_irqsave(&priv->txlock, flags);
+	tx_queue = priv->tx_queue;
+
+	spin_lock_irqsave(&tx_queue->txlock, flags);
 
 	priv->fifo_threshold = length;
 
@@ -214,7 +227,7 @@ static ssize_t gfar_set_fifo_threshold(struct device *dev,
 	temp |= length;
 	gfar_write(&priv->regs->fifo_tx_thr, temp);
 
-	spin_unlock_irqrestore(&priv->txlock, flags);
+	spin_unlock_irqrestore(&tx_queue->txlock, flags);
 
 	return count;
 }
@@ -235,6 +248,7 @@ static ssize_t gfar_set_fifo_starve(struct device *dev,
 				    const char *buf, size_t count)
 {
 	struct gfar_private *priv = netdev_priv(to_net_dev(dev));
+	struct gfar_priv_tx_q *tx_queue = NULL;
 	unsigned int num = simple_strtoul(buf, NULL, 0);
 	u32 temp;
 	unsigned long flags;
@@ -242,7 +256,8 @@ static ssize_t gfar_set_fifo_starve(struct device *dev,
 	if (num > GFAR_MAX_FIFO_STARVE)
 		return count;
 
-	spin_lock_irqsave(&priv->txlock, flags);
+	tx_queue = priv->tx_queue;
+	spin_lock_irqsave(&tx_queue->txlock, flags);
 
 	priv->fifo_starve = num;
 
@@ -251,7 +266,7 @@ static ssize_t gfar_set_fifo_starve(struct device *dev,
 	temp |= num;
 	gfar_write(&priv->regs->fifo_tx_starve, temp);
 
-	spin_unlock_irqrestore(&priv->txlock, flags);
+	spin_unlock_irqrestore(&tx_queue->txlock, flags);
 
 	return count;
 }
@@ -273,6 +288,7 @@ static ssize_t gfar_set_fifo_starve_off(struct device *dev,
 					const char *buf, size_t count)
 {
 	struct gfar_private *priv = netdev_priv(to_net_dev(dev));
+	struct gfar_priv_tx_q *tx_queue = NULL;
 	unsigned int num = simple_strtoul(buf, NULL, 0);
 	u32 temp;
 	unsigned long flags;
@@ -280,7 +296,8 @@ static ssize_t gfar_set_fifo_starve_off(struct device *dev,
 	if (num > GFAR_MAX_FIFO_STARVE_OFF)
 		return count;
 
-	spin_lock_irqsave(&priv->txlock, flags);
+	tx_queue = priv->tx_queue;
+	spin_lock_irqsave(&tx_queue->txlock, flags);
 
 	priv->fifo_starve_off = num;
 
@@ -289,7 +306,7 @@ static ssize_t gfar_set_fifo_starve_off(struct device *dev,
 	temp |= num;
 	gfar_write(&priv->regs->fifo_tx_starve_shutoff, temp);
 
-	spin_unlock_irqrestore(&priv->txlock, flags);
+	spin_unlock_irqrestore(&tx_queue->txlock, flags);
 
 	return count;
 }
-- 
GitLab


From f4983704a63b3764418905a77d48105a8cbce97f Mon Sep 17 00:00:00 2001
From: Sandeep Gopalpet <Sandeep.Kumar@freescale.com>
Date: Mon, 2 Nov 2009 07:03:09 +0000
Subject: [PATCH 0854/1815] gianfar: Introduce logical group support.

This patch introduces the group structure. The elements of this
structure are the interrupt lines, their corresponding names,
the register memory map.
The elements for this group are factored out from the gfar_private
structure. The introduction of group structure will help in
providing support for newer versions of etsec.

Currently, the support is present only for single group and
single tx/rx queues.

Signed-off-by: Sandeep Gopalpet <Sandeep.Kumar@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/gianfar.c         | 364 ++++++++++++++++++----------------
 drivers/net/gianfar.h         |  38 +++-
 drivers/net/gianfar_ethtool.c |  14 +-
 drivers/net/gianfar_sysfs.c   |  34 ++--
 4 files changed, 250 insertions(+), 200 deletions(-)

diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 354b2b5936e..fa0188ea923 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -151,7 +151,6 @@ MODULE_LICENSE("GPL");
 static void gfar_init_rxbdp(struct gfar_priv_rx_q *rx_queue, struct rxbd8 *bdp,
 			    dma_addr_t buf)
 {
-	struct net_device *dev = rx_queue->dev;
 	u32 lstatus;
 
 	bdp->bufPtr = buf;
@@ -290,9 +289,9 @@ cleanup:
 static void gfar_init_mac(struct net_device *ndev)
 {
 	struct gfar_private *priv = netdev_priv(ndev);
-	struct gfar __iomem *regs = priv->regs;
 	struct gfar_priv_tx_q *tx_queue = NULL;
 	struct gfar_priv_rx_q *rx_queue = NULL;
+	struct gfar __iomem *regs = priv->gfargrp.regs;
 	u32 rctrl = 0;
 	u32 tctrl = 0;
 	u32 attrs = 0;
@@ -407,24 +406,25 @@ static int gfar_of_init(struct net_device *dev)
 
 	/* get a pointer to the register memory */
 	addr = of_translate_address(np, of_get_address(np, 0, &size, NULL));
-	priv->regs = ioremap(addr, size);
+	priv->gfargrp.regs = ioremap(addr, size);
 
-	if (priv->regs == NULL)
+	if (priv->gfargrp.regs == NULL)
 		return -ENOMEM;
 
-	priv->interruptTransmit = irq_of_parse_and_map(np, 0);
+	priv->gfargrp.priv = priv; /* back pointer from group to priv */
+	priv->gfargrp.interruptTransmit = irq_of_parse_and_map(np, 0);
 
 	model = of_get_property(np, "model", NULL);
 
 	/* If we aren't the FEC we have multiple interrupts */
 	if (model && strcasecmp(model, "FEC")) {
-		priv->interruptReceive = irq_of_parse_and_map(np, 1);
+		priv->gfargrp.interruptReceive = irq_of_parse_and_map(np, 1);
 
-		priv->interruptError = irq_of_parse_and_map(np, 2);
+		priv->gfargrp.interruptError = irq_of_parse_and_map(np, 2);
 
-		if (priv->interruptTransmit < 0 ||
-				priv->interruptReceive < 0 ||
-				priv->interruptError < 0) {
+		if (priv->gfargrp.interruptTransmit < 0 ||
+				priv->gfargrp.interruptReceive < 0 ||
+				priv->gfargrp.interruptError < 0) {
 			err = -EINVAL;
 			goto err_out;
 		}
@@ -491,7 +491,7 @@ static int gfar_of_init(struct net_device *dev)
 	return 0;
 
 err_out:
-	iounmap(priv->regs);
+	iounmap(priv->gfargrp.regs);
 	return err;
 }
 
@@ -517,6 +517,7 @@ static int gfar_probe(struct of_device *ofdev,
 	u32 tempval;
 	struct net_device *dev = NULL;
 	struct gfar_private *priv = NULL;
+	struct gfar __iomem *regs = NULL;
 	int err = 0;
 	int len_devname;
 
@@ -549,32 +550,34 @@ static int gfar_probe(struct of_device *ofdev,
 
 	spin_lock_init(&priv->tx_queue->txlock);
 	spin_lock_init(&priv->rx_queue->rxlock);
+	spin_lock_init(&priv->gfargrp.grplock);
 	spin_lock_init(&priv->bflock);
 	INIT_WORK(&priv->reset_task, gfar_reset_task);
 
 	dev_set_drvdata(&ofdev->dev, priv);
+	regs = priv->gfargrp.regs;
 
 	/* Stop the DMA engine now, in case it was running before */
 	/* (The firmware could have used it, and left it running). */
 	gfar_halt(dev);
 
 	/* Reset MAC layer */
-	gfar_write(&priv->regs->maccfg1, MACCFG1_SOFT_RESET);
+	gfar_write(&regs->maccfg1, MACCFG1_SOFT_RESET);
 
 	/* We need to delay at least 3 TX clocks */
 	udelay(2);
 
 	tempval = (MACCFG1_TX_FLOW | MACCFG1_RX_FLOW);
-	gfar_write(&priv->regs->maccfg1, tempval);
+	gfar_write(&regs->maccfg1, tempval);
 
 	/* Initialize MACCFG2. */
-	gfar_write(&priv->regs->maccfg2, MACCFG2_INIT_SETTINGS);
+	gfar_write(&regs->maccfg2, MACCFG2_INIT_SETTINGS);
 
 	/* Initialize ECNTRL */
-	gfar_write(&priv->regs->ecntrl, ECNTRL_INIT_SETTINGS);
+	gfar_write(&regs->ecntrl, ECNTRL_INIT_SETTINGS);
 
 	/* Set the dev->base_addr to the gfar reg region */
-	dev->base_addr = (unsigned long) (priv->regs);
+	dev->base_addr = (unsigned long) regs;
 
 	SET_NETDEV_DEV(dev, &ofdev->dev);
 
@@ -602,35 +605,35 @@ static int gfar_probe(struct of_device *ofdev,
 		priv->extended_hash = 1;
 		priv->hash_width = 9;
 
-		priv->hash_regs[0] = &priv->regs->igaddr0;
-		priv->hash_regs[1] = &priv->regs->igaddr1;
-		priv->hash_regs[2] = &priv->regs->igaddr2;
-		priv->hash_regs[3] = &priv->regs->igaddr3;
-		priv->hash_regs[4] = &priv->regs->igaddr4;
-		priv->hash_regs[5] = &priv->regs->igaddr5;
-		priv->hash_regs[6] = &priv->regs->igaddr6;
-		priv->hash_regs[7] = &priv->regs->igaddr7;
-		priv->hash_regs[8] = &priv->regs->gaddr0;
-		priv->hash_regs[9] = &priv->regs->gaddr1;
-		priv->hash_regs[10] = &priv->regs->gaddr2;
-		priv->hash_regs[11] = &priv->regs->gaddr3;
-		priv->hash_regs[12] = &priv->regs->gaddr4;
-		priv->hash_regs[13] = &priv->regs->gaddr5;
-		priv->hash_regs[14] = &priv->regs->gaddr6;
-		priv->hash_regs[15] = &priv->regs->gaddr7;
+		priv->hash_regs[0] = &regs->igaddr0;
+		priv->hash_regs[1] = &regs->igaddr1;
+		priv->hash_regs[2] = &regs->igaddr2;
+		priv->hash_regs[3] = &regs->igaddr3;
+		priv->hash_regs[4] = &regs->igaddr4;
+		priv->hash_regs[5] = &regs->igaddr5;
+		priv->hash_regs[6] = &regs->igaddr6;
+		priv->hash_regs[7] = &regs->igaddr7;
+		priv->hash_regs[8] = &regs->gaddr0;
+		priv->hash_regs[9] = &regs->gaddr1;
+		priv->hash_regs[10] = &regs->gaddr2;
+		priv->hash_regs[11] = &regs->gaddr3;
+		priv->hash_regs[12] = &regs->gaddr4;
+		priv->hash_regs[13] = &regs->gaddr5;
+		priv->hash_regs[14] = &regs->gaddr6;
+		priv->hash_regs[15] = &regs->gaddr7;
 
 	} else {
 		priv->extended_hash = 0;
 		priv->hash_width = 8;
 
-		priv->hash_regs[0] = &priv->regs->gaddr0;
-		priv->hash_regs[1] = &priv->regs->gaddr1;
-		priv->hash_regs[2] = &priv->regs->gaddr2;
-		priv->hash_regs[3] = &priv->regs->gaddr3;
-		priv->hash_regs[4] = &priv->regs->gaddr4;
-		priv->hash_regs[5] = &priv->regs->gaddr5;
-		priv->hash_regs[6] = &priv->regs->gaddr6;
-		priv->hash_regs[7] = &priv->regs->gaddr7;
+		priv->hash_regs[0] = &regs->gaddr0;
+		priv->hash_regs[1] = &regs->gaddr1;
+		priv->hash_regs[2] = &regs->gaddr2;
+		priv->hash_regs[3] = &regs->gaddr3;
+		priv->hash_regs[4] = &regs->gaddr4;
+		priv->hash_regs[5] = &regs->gaddr5;
+		priv->hash_regs[6] = &regs->gaddr6;
+		priv->hash_regs[7] = &regs->gaddr7;
 	}
 
 	if (priv->device_flags & FSL_GIANFAR_DEV_HAS_PADDING)
@@ -672,20 +675,20 @@ static int gfar_probe(struct of_device *ofdev,
 
 	/* fill out IRQ number and name fields */
 	len_devname = strlen(dev->name);
-	strncpy(&priv->int_name_tx[0], dev->name, len_devname);
+	strncpy(&priv->gfargrp.int_name_tx[0], dev->name, len_devname);
 	if (priv->device_flags & FSL_GIANFAR_DEV_HAS_MULTI_INTR) {
-		strncpy(&priv->int_name_tx[len_devname],
+		strncpy(&priv->gfargrp.int_name_tx[len_devname],
 			"_tx", sizeof("_tx") + 1);
 
-		strncpy(&priv->int_name_rx[0], dev->name, len_devname);
-		strncpy(&priv->int_name_rx[len_devname],
+		strncpy(&priv->gfargrp.int_name_rx[0], dev->name, len_devname);
+		strncpy(&priv->gfargrp.int_name_rx[len_devname],
 			"_rx", sizeof("_rx") + 1);
 
-		strncpy(&priv->int_name_er[0], dev->name, len_devname);
-		strncpy(&priv->int_name_er[len_devname],
+		strncpy(&priv->gfargrp.int_name_er[0], dev->name, len_devname);
+		strncpy(&priv->gfargrp.int_name_er[len_devname],
 			"_er", sizeof("_er") + 1);
 	} else
-		priv->int_name_tx[len_devname] = '\0';
+		priv->gfargrp.int_name_tx[len_devname] = '\0';
 
 	/* Create all the sysfs files */
 	gfar_init_sysfs(dev);
@@ -702,7 +705,7 @@ static int gfar_probe(struct of_device *ofdev,
 	return 0;
 
 register_fail:
-	iounmap(priv->regs);
+	iounmap(priv->gfargrp.regs);
 	kfree(priv->rx_queue);
 rx_queue_fail:
 	kfree(priv->tx_queue);
@@ -727,7 +730,7 @@ static int gfar_remove(struct of_device *ofdev)
 	dev_set_drvdata(&ofdev->dev, NULL);
 
 	unregister_netdev(priv->ndev);
-	iounmap(priv->regs);
+	iounmap(priv->gfargrp.regs);
 	free_netdev(priv->ndev);
 
 	return 0;
@@ -741,6 +744,7 @@ static int gfar_suspend(struct device *dev)
 	struct net_device *ndev = priv->ndev;
 	struct gfar_priv_tx_q *tx_queue = NULL;
 	struct gfar_priv_rx_q *rx_queue = NULL;
+	struct gfar __iomem *regs = NULL;
 	unsigned long flags;
 	u32 tempval;
 
@@ -750,6 +754,7 @@ static int gfar_suspend(struct device *dev)
 	netif_device_detach(ndev);
 	tx_queue = priv->tx_queue;
 	rx_queue = priv->rx_queue;
+	regs = priv->gfargrp.regs;
 
 	if (netif_running(ndev)) {
 		spin_lock_irqsave(&tx_queue->txlock, flags);
@@ -758,14 +763,14 @@ static int gfar_suspend(struct device *dev)
 		gfar_halt_nodisable(ndev);
 
 		/* Disable Tx, and Rx if wake-on-LAN is disabled. */
-		tempval = gfar_read(&priv->regs->maccfg1);
+		tempval = gfar_read(&regs->maccfg1);
 
 		tempval &= ~MACCFG1_TX_EN;
 
 		if (!magic_packet)
 			tempval &= ~MACCFG1_RX_EN;
 
-		gfar_write(&priv->regs->maccfg1, tempval);
+		gfar_write(&regs->maccfg1, tempval);
 
 		spin_unlock(&rx_queue->rxlock);
 		spin_unlock_irqrestore(&tx_queue->txlock, flags);
@@ -774,12 +779,12 @@ static int gfar_suspend(struct device *dev)
 
 		if (magic_packet) {
 			/* Enable interrupt on Magic Packet */
-			gfar_write(&priv->regs->imask, IMASK_MAG);
+			gfar_write(&regs->imask, IMASK_MAG);
 
 			/* Enable Magic Packet mode */
-			tempval = gfar_read(&priv->regs->maccfg2);
+			tempval = gfar_read(&regs->maccfg2);
 			tempval |= MACCFG2_MPEN;
-			gfar_write(&priv->regs->maccfg2, tempval);
+			gfar_write(&regs->maccfg2, tempval);
 		} else {
 			phy_stop(priv->phydev);
 		}
@@ -794,6 +799,7 @@ static int gfar_resume(struct device *dev)
 	struct net_device *ndev = priv->ndev;
 	struct gfar_priv_tx_q *tx_queue = NULL;
 	struct gfar_priv_rx_q *rx_queue = NULL;
+	struct gfar __iomem *regs = NULL;
 	unsigned long flags;
 	u32 tempval;
 	int magic_packet = priv->wol_en &&
@@ -812,13 +818,14 @@ static int gfar_resume(struct device *dev)
 	 */
 	rx_queue = priv->rx_queue;
 	tx_queue = priv->tx_queue;
+	regs = priv->gfargrp.regs;
 
 	spin_lock_irqsave(&tx_queue->txlock, flags);
 	spin_lock(&rx_queue->rxlock);
 
-	tempval = gfar_read(&priv->regs->maccfg2);
+	tempval = gfar_read(&regs->maccfg2);
 	tempval &= ~MACCFG2_MPEN;
-	gfar_write(&priv->regs->maccfg2, tempval);
+	gfar_write(&regs->maccfg2, tempval);
 
 	gfar_start(ndev);
 
@@ -893,7 +900,11 @@ static int gfar_legacy_resume(struct of_device *ofdev)
 static phy_interface_t gfar_get_interface(struct net_device *dev)
 {
 	struct gfar_private *priv = netdev_priv(dev);
-	u32 ecntrl = gfar_read(&priv->regs->ecntrl);
+	struct gfar __iomem *regs = NULL;
+	u32 ecntrl;
+
+	regs = priv->gfargrp.regs;
+	ecntrl = gfar_read(&regs->ecntrl);
 
 	if (ecntrl & ECNTRL_SGMII_MODE)
 		return PHY_INTERFACE_MODE_SGMII;
@@ -1015,46 +1026,48 @@ static void gfar_configure_serdes(struct net_device *dev)
 static void init_registers(struct net_device *dev)
 {
 	struct gfar_private *priv = netdev_priv(dev);
+	struct gfar __iomem *regs = NULL;
 
+	regs = priv->gfargrp.regs;
 	/* Clear IEVENT */
-	gfar_write(&priv->regs->ievent, IEVENT_INIT_CLEAR);
+	gfar_write(&regs->ievent, IEVENT_INIT_CLEAR);
 
 	/* Initialize IMASK */
-	gfar_write(&priv->regs->imask, IMASK_INIT_CLEAR);
+	gfar_write(&regs->imask, IMASK_INIT_CLEAR);
 
 	/* Init hash registers to zero */
-	gfar_write(&priv->regs->igaddr0, 0);
-	gfar_write(&priv->regs->igaddr1, 0);
-	gfar_write(&priv->regs->igaddr2, 0);
-	gfar_write(&priv->regs->igaddr3, 0);
-	gfar_write(&priv->regs->igaddr4, 0);
-	gfar_write(&priv->regs->igaddr5, 0);
-	gfar_write(&priv->regs->igaddr6, 0);
-	gfar_write(&priv->regs->igaddr7, 0);
-
-	gfar_write(&priv->regs->gaddr0, 0);
-	gfar_write(&priv->regs->gaddr1, 0);
-	gfar_write(&priv->regs->gaddr2, 0);
-	gfar_write(&priv->regs->gaddr3, 0);
-	gfar_write(&priv->regs->gaddr4, 0);
-	gfar_write(&priv->regs->gaddr5, 0);
-	gfar_write(&priv->regs->gaddr6, 0);
-	gfar_write(&priv->regs->gaddr7, 0);
+	gfar_write(&regs->igaddr0, 0);
+	gfar_write(&regs->igaddr1, 0);
+	gfar_write(&regs->igaddr2, 0);
+	gfar_write(&regs->igaddr3, 0);
+	gfar_write(&regs->igaddr4, 0);
+	gfar_write(&regs->igaddr5, 0);
+	gfar_write(&regs->igaddr6, 0);
+	gfar_write(&regs->igaddr7, 0);
+
+	gfar_write(&regs->gaddr0, 0);
+	gfar_write(&regs->gaddr1, 0);
+	gfar_write(&regs->gaddr2, 0);
+	gfar_write(&regs->gaddr3, 0);
+	gfar_write(&regs->gaddr4, 0);
+	gfar_write(&regs->gaddr5, 0);
+	gfar_write(&regs->gaddr6, 0);
+	gfar_write(&regs->gaddr7, 0);
 
 	/* Zero out the rmon mib registers if it has them */
 	if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON) {
-		memset_io(&(priv->regs->rmon), 0, sizeof (struct rmon_mib));
+		memset_io(&(regs->rmon), 0, sizeof (struct rmon_mib));
 
 		/* Mask off the CAM interrupts */
-		gfar_write(&priv->regs->rmon.cam1, 0xffffffff);
-		gfar_write(&priv->regs->rmon.cam2, 0xffffffff);
+		gfar_write(&regs->rmon.cam1, 0xffffffff);
+		gfar_write(&regs->rmon.cam2, 0xffffffff);
 	}
 
 	/* Initialize the max receive buffer length */
-	gfar_write(&priv->regs->mrblr, priv->rx_buffer_size);
+	gfar_write(&regs->mrblr, priv->rx_buffer_size);
 
 	/* Initialize the Minimum Frame Length Register */
-	gfar_write(&priv->regs->minflr, MINFLR_INIT_SETTINGS);
+	gfar_write(&regs->minflr, MINFLR_INIT_SETTINGS);
 }
 
 
@@ -1062,7 +1075,7 @@ static void init_registers(struct net_device *dev)
 static void gfar_halt_nodisable(struct net_device *dev)
 {
 	struct gfar_private *priv = netdev_priv(dev);
-	struct gfar __iomem *regs = priv->regs;
+	struct gfar __iomem *regs = priv->gfargrp.regs;
 	u32 tempval;
 
 	/* Mask all interrupts */
@@ -1072,13 +1085,13 @@ static void gfar_halt_nodisable(struct net_device *dev)
 	gfar_write(&regs->ievent, IEVENT_INIT_CLEAR);
 
 	/* Stop the DMA, and wait for it to stop */
-	tempval = gfar_read(&priv->regs->dmactrl);
+	tempval = gfar_read(&regs->dmactrl);
 	if ((tempval & (DMACTRL_GRS | DMACTRL_GTS))
 	    != (DMACTRL_GRS | DMACTRL_GTS)) {
 		tempval |= (DMACTRL_GRS | DMACTRL_GTS);
-		gfar_write(&priv->regs->dmactrl, tempval);
+		gfar_write(&regs->dmactrl, tempval);
 
-		while (!(gfar_read(&priv->regs->ievent) &
+		while (!(gfar_read(&regs->ievent) &
 			 (IEVENT_GRSC | IEVENT_GTSC)))
 			cpu_relax();
 	}
@@ -1088,7 +1101,7 @@ static void gfar_halt_nodisable(struct net_device *dev)
 void gfar_halt(struct net_device *dev)
 {
 	struct gfar_private *priv = netdev_priv(dev);
-	struct gfar __iomem *regs = priv->regs;
+	struct gfar __iomem *regs = priv->gfargrp.regs;
 	u32 tempval;
 
 	gfar_halt_nodisable(dev);
@@ -1122,11 +1135,11 @@ void stop_gfar(struct net_device *dev)
 
 	/* Free the IRQs */
 	if (priv->device_flags & FSL_GIANFAR_DEV_HAS_MULTI_INTR) {
-		free_irq(priv->interruptError, dev);
-		free_irq(priv->interruptTransmit, dev);
-		free_irq(priv->interruptReceive, dev);
+		free_irq(priv->gfargrp.interruptError, &priv->gfargrp);
+		free_irq(priv->gfargrp.interruptTransmit, &priv->gfargrp);
+		free_irq(priv->gfargrp.interruptReceive, &priv->gfargrp);
 	} else {
-		free_irq(priv->interruptTransmit, dev);
+		free_irq(priv->gfargrp.interruptTransmit, &priv->gfargrp);
 	}
 
 	free_skb_resources(priv);
@@ -1201,9 +1214,7 @@ skip_rx_skbuff:
 void gfar_start(struct net_device *dev)
 {
 	struct gfar_private *priv = netdev_priv(dev);
-	struct gfar_priv_tx_q *tx_queue;
-	struct gfar_priv_rx_q *rx_queue;
-	struct gfar __iomem *regs = priv->regs;
+	struct gfar __iomem *regs = priv->gfargrp.regs;
 	u32 tempval;
 
 	/* Enable Rx and Tx in MACCFG1 */
@@ -1212,14 +1223,14 @@ void gfar_start(struct net_device *dev)
 	gfar_write(&regs->maccfg1, tempval);
 
 	/* Initialize DMACTRL to have WWR and WOP */
-	tempval = gfar_read(&priv->regs->dmactrl);
+	tempval = gfar_read(&regs->dmactrl);
 	tempval |= DMACTRL_INIT_SETTINGS;
-	gfar_write(&priv->regs->dmactrl, tempval);
+	gfar_write(&regs->dmactrl, tempval);
 
 	/* Make sure we aren't stopped */
-	tempval = gfar_read(&priv->regs->dmactrl);
+	tempval = gfar_read(&regs->dmactrl);
 	tempval &= ~(DMACTRL_GRS | DMACTRL_GTS);
-	gfar_write(&priv->regs->dmactrl, tempval);
+	gfar_write(&regs->dmactrl, tempval);
 
 	/* Clear THLT/RHLT, so that the DMA starts polling now */
 	gfar_write(&regs->tstat, TSTAT_CLEAR_THALT);
@@ -1235,7 +1246,7 @@ void gfar_start(struct net_device *dev)
 int startup_gfar(struct net_device *ndev)
 {
 	struct gfar_private *priv = netdev_priv(ndev);
-	struct gfar __iomem *regs = priv->regs;
+	struct gfar __iomem *regs = priv->gfargrp.regs;
 	int err;
 
 	gfar_write(&regs->imask, IMASK_INIT_CLEAR);
@@ -1251,39 +1262,46 @@ int startup_gfar(struct net_device *ndev)
 	if (priv->device_flags & FSL_GIANFAR_DEV_HAS_MULTI_INTR) {
 		/* Install our interrupt handlers for Error,
 		 * Transmit, and Receive */
-		err = request_irq(priv->interruptError, gfar_error, 0,
-				  priv->int_name_er, ndev);
+		err = request_irq(priv->gfargrp.interruptError, gfar_error, 0,
+				  priv->gfargrp.int_name_er, &priv->gfargrp);
 		if (err) {
 			if (netif_msg_intr(priv))
 				pr_err("%s: Can't get IRQ %d\n", ndev->name,
-				       priv->interruptError);
+				       priv->gfargrp.interruptError);
 			goto err_irq_fail;
 		}
 
-		err = request_irq(priv->interruptTransmit, gfar_transmit, 0,
-				  priv->int_name_tx, ndev);
+		err = request_irq(priv->gfargrp.interruptTransmit,
+					gfar_transmit, 0,
+					priv->gfargrp.int_name_tx,
+					&priv->gfargrp);
 		if (err) {
 			if (netif_msg_intr(priv))
 				pr_err("%s: Can't get IRQ %d\n", ndev->name,
-				       priv->interruptTransmit);
+				       priv->gfargrp.interruptTransmit);
 			goto tx_irq_fail;
 		}
 
-		err = request_irq(priv->interruptReceive, gfar_receive, 0,
-				  priv->int_name_rx, ndev);
+		err = request_irq(priv->gfargrp.interruptReceive,
+					gfar_receive, 0,
+					priv->gfargrp.int_name_rx,
+					&priv->gfargrp);
 		if (err) {
 			if (netif_msg_intr(priv))
 				pr_err("%s: Can't get IRQ %d (receive0)\n",
-				       ndev->name, priv->interruptReceive);
+					ndev->name,
+					priv->gfargrp.interruptReceive);
 			goto rx_irq_fail;
 		}
 	} else {
-		err = request_irq(priv->interruptTransmit, gfar_interrupt,
-				0, priv->int_name_tx, ndev);
+		err = request_irq(priv->gfargrp.interruptTransmit,
+					gfar_interrupt, 0,
+					priv->gfargrp.int_name_tx,
+					&priv->gfargrp);
 		if (err) {
 			if (netif_msg_intr(priv))
 				pr_err("%s: Can't get IRQ %d\n", ndev->name,
-				       priv->interruptTransmit);
+				       priv->gfargrp.interruptTransmit);
 			goto err_irq_fail;
 		}
 	}
@@ -1296,9 +1314,9 @@ int startup_gfar(struct net_device *ndev)
 	return 0;
 
 rx_irq_fail:
-	free_irq(priv->interruptTransmit, ndev);
+	free_irq(priv->gfargrp.interruptTransmit, &priv->gfargrp);
 tx_irq_fail:
-	free_irq(priv->interruptError, ndev);
+	free_irq(priv->gfargrp.interruptError, &priv->gfargrp);
 err_irq_fail:
 	free_skb_resources(priv);
 	return err;
@@ -1403,6 +1421,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	struct gfar_private *priv = netdev_priv(dev);
 	struct gfar_priv_tx_q *tx_queue = NULL;
+	struct gfar __iomem *regs = NULL;
 	struct txfcb *fcb = NULL;
 	struct txbd8 *txbdp, *txbdp_start, *base;
 	u32 lstatus;
@@ -1413,6 +1432,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
 	tx_queue = priv->tx_queue;
 	base = tx_queue->tx_bd_base;
+	regs = priv->gfargrp.regs;
 
 	/* make space for additional header when fcb is needed */
 	if (((skb->ip_summed == CHECKSUM_PARTIAL) ||
@@ -1536,7 +1556,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	}
 
 	/* Tell the DMA to go go go */
-	gfar_write(&priv->regs->tstat, TSTAT_CLEAR_THALT);
+	gfar_write(&regs->tstat, TSTAT_CLEAR_THALT);
 
 	/* Unlock priv */
 	spin_unlock_irqrestore(&tx_queue->txlock, flags);
@@ -1579,40 +1599,42 @@ static void gfar_vlan_rx_register(struct net_device *dev,
 {
 	struct gfar_private *priv = netdev_priv(dev);
 	struct gfar_priv_rx_q *rx_queue = NULL;
+	struct gfar __iomem *regs = NULL;
 	unsigned long flags;
 	u32 tempval;
 
 	rx_queue = priv->rx_queue;
+	regs = priv->gfargrp.regs;
 	spin_lock_irqsave(&rx_queue->rxlock, flags);
 
 	priv->vlgrp = grp;
 
 	if (grp) {
 		/* Enable VLAN tag insertion */
-		tempval = gfar_read(&priv->regs->tctrl);
+		tempval = gfar_read(&regs->tctrl);
 		tempval |= TCTRL_VLINS;
 
-		gfar_write(&priv->regs->tctrl, tempval);
+		gfar_write(&regs->tctrl, tempval);
 
 		/* Enable VLAN tag extraction */
-		tempval = gfar_read(&priv->regs->rctrl);
+		tempval = gfar_read(&regs->rctrl);
 		tempval |= (RCTRL_VLEX | RCTRL_PRSDEP_INIT);
-		gfar_write(&priv->regs->rctrl, tempval);
+		gfar_write(&regs->rctrl, tempval);
 	} else {
 		/* Disable VLAN tag insertion */
-		tempval = gfar_read(&priv->regs->tctrl);
+		tempval = gfar_read(&regs->tctrl);
 		tempval &= ~TCTRL_VLINS;
-		gfar_write(&priv->regs->tctrl, tempval);
+		gfar_write(&regs->tctrl, tempval);
 
 		/* Disable VLAN tag extraction */
-		tempval = gfar_read(&priv->regs->rctrl);
+		tempval = gfar_read(&regs->rctrl);
 		tempval &= ~RCTRL_VLEX;
 		/* If parse is no longer required, then disable parser */
 		if (tempval & RCTRL_REQ_PARSER)
 			tempval |= RCTRL_PRSDEP_INIT;
 		else
 			tempval &= ~RCTRL_PRSDEP_INIT;
-		gfar_write(&priv->regs->rctrl, tempval);
+		gfar_write(&regs->rctrl, tempval);
 	}
 
 	gfar_change_mtu(dev, dev->mtu);
@@ -1624,6 +1646,7 @@ static int gfar_change_mtu(struct net_device *dev, int new_mtu)
 {
 	int tempsize, tempval;
 	struct gfar_private *priv = netdev_priv(dev);
+	struct gfar __iomem *regs = priv->gfargrp.regs;
 	int oldsize = priv->rx_buffer_size;
 	int frame_size = new_mtu + ETH_HLEN;
 
@@ -1655,20 +1678,20 @@ static int gfar_change_mtu(struct net_device *dev, int new_mtu)
 
 	dev->mtu = new_mtu;
 
-	gfar_write(&priv->regs->mrblr, priv->rx_buffer_size);
-	gfar_write(&priv->regs->maxfrm, priv->rx_buffer_size);
+	gfar_write(&regs->mrblr, priv->rx_buffer_size);
+	gfar_write(&regs->maxfrm, priv->rx_buffer_size);
 
 	/* If the mtu is larger than the max size for standard
 	 * ethernet frames (ie, a jumbo frame), then set maccfg2
 	 * to allow huge frames, and to check the length */
-	tempval = gfar_read(&priv->regs->maccfg2);
+	tempval = gfar_read(&regs->maccfg2);
 
 	if (priv->rx_buffer_size > DEFAULT_RX_BUFFER_SIZE)
 		tempval |= (MACCFG2_HUGEFRAME | MACCFG2_LENGTHCHECK);
 	else
 		tempval &= ~(MACCFG2_HUGEFRAME | MACCFG2_LENGTHCHECK);
 
-	gfar_write(&priv->regs->maccfg2, tempval);
+	gfar_write(&regs->maccfg2, tempval);
 
 	if ((oldsize != tempsize) && (dev->flags & IFF_UP))
 		startup_gfar(dev);
@@ -1787,9 +1810,9 @@ static int gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue)
 	return howmany;
 }
 
-static void gfar_schedule_cleanup(struct net_device *dev)
+static void gfar_schedule_cleanup(struct gfar_priv_grp *gfargrp)
 {
-	struct gfar_private *priv = netdev_priv(dev);
+	struct gfar_private *priv = gfargrp->priv;
 	struct gfar_priv_tx_q *tx_queue = NULL;
 	struct gfar_priv_rx_q *rx_queue = NULL;
 	unsigned long flags;
@@ -1800,14 +1823,14 @@ static void gfar_schedule_cleanup(struct net_device *dev)
 	spin_lock(&rx_queue->rxlock);
 
 	if (napi_schedule_prep(&rx_queue->napi)) {
-		gfar_write(&priv->regs->imask, IMASK_RTX_DISABLED);
+		gfar_write(&gfargrp->regs->imask, IMASK_RTX_DISABLED);
 		__napi_schedule(&rx_queue->napi);
 	} else {
 		/*
 		 * Clear IEVENT, so interrupts aren't called again
 		 * because of the packets that have already arrived.
 		 */
-		gfar_write(&priv->regs->ievent, IEVENT_RTX_MASK);
+		gfar_write(&gfargrp->regs->ievent, IEVENT_RTX_MASK);
 	}
 
 	spin_unlock(&rx_queue->rxlock);
@@ -1815,9 +1838,9 @@ static void gfar_schedule_cleanup(struct net_device *dev)
 }
 
 /* Interrupt Handler for Transmit complete */
-static irqreturn_t gfar_transmit(int irq, void *dev_id)
+static irqreturn_t gfar_transmit(int irq, void *grp_id)
 {
-	gfar_schedule_cleanup((struct net_device *)dev_id);
+	gfar_schedule_cleanup((struct gfar_priv_grp *)grp_id);
 	return IRQ_HANDLED;
 }
 
@@ -1897,9 +1920,9 @@ static inline void count_errors(unsigned short status, struct net_device *dev)
 	}
 }
 
-irqreturn_t gfar_receive(int irq, void *dev_id)
+irqreturn_t gfar_receive(int irq, void *grp_id)
 {
-	gfar_schedule_cleanup((struct net_device *)dev_id);
+	gfar_schedule_cleanup((struct gfar_priv_grp *)grp_id);
 	return IRQ_HANDLED;
 }
 
@@ -2053,6 +2076,7 @@ static int gfar_poll(struct napi_struct *napi, int budget)
 			struct gfar_priv_rx_q, napi);
 	struct net_device *dev = rx_queue->dev;
 	struct gfar_private *priv = netdev_priv(dev);
+	struct gfar __iomem *regs = priv->gfargrp.regs;
 	struct gfar_priv_tx_q *tx_queue = NULL;
 	int tx_cleaned = 0;
 	int rx_cleaned = 0;
@@ -2060,7 +2084,7 @@ static int gfar_poll(struct napi_struct *napi, int budget)
 
 	/* Clear IEVENT, so interrupts aren't called again
 	 * because of the packets that have already arrived */
-	gfar_write(&priv->regs->ievent, IEVENT_RTX_MASK);
+	gfar_write(&regs->ievent, IEVENT_RTX_MASK);
 	tx_queue = priv->tx_queue;
 
 	/* If we fail to get the lock, don't bother with the TX BDs */
@@ -2078,19 +2102,19 @@ static int gfar_poll(struct napi_struct *napi, int budget)
 		napi_complete(napi);
 
 		/* Clear the halt bit in RSTAT */
-		gfar_write(&priv->regs->rstat, RSTAT_CLEAR_RHALT);
+		gfar_write(&regs->rstat, RSTAT_CLEAR_RHALT);
 
-		gfar_write(&priv->regs->imask, IMASK_DEFAULT);
+		gfar_write(&regs->imask, IMASK_DEFAULT);
 
 		/* If we are coalescing interrupts, update the timer */
 		/* Otherwise, clear it */
 		if (likely(rx_queue->rxcoalescing)) {
-			gfar_write(&priv->regs->rxic, 0);
-			gfar_write(&priv->regs->rxic, rx_queue->rxic);
+			gfar_write(&regs->rxic, 0);
+			gfar_write(&regs->rxic, rx_queue->rxic);
 		}
 		if (likely(tx_queue->txcoalescing)) {
-			gfar_write(&priv->regs->txic, 0);
-			gfar_write(&priv->regs->txic, tx_queue->txic);
+			gfar_write(&regs->txic, 0);
+			gfar_write(&regs->txic, tx_queue->txic);
 		}
 	}
 
@@ -2109,41 +2133,40 @@ static void gfar_netpoll(struct net_device *dev)
 
 	/* If the device has multiple interrupts, run tx/rx */
 	if (priv->device_flags & FSL_GIANFAR_DEV_HAS_MULTI_INTR) {
-		disable_irq(priv->interruptTransmit);
-		disable_irq(priv->interruptReceive);
-		disable_irq(priv->interruptError);
-		gfar_interrupt(priv->interruptTransmit, dev);
-		enable_irq(priv->interruptError);
-		enable_irq(priv->interruptReceive);
-		enable_irq(priv->interruptTransmit);
+		disable_irq(priv->gfargrp.interruptTransmit);
+		disable_irq(priv->gfargrp.interruptReceive);
+		disable_irq(priv->gfargrp.interruptError);
+		gfar_interrupt(priv->gfargrp.interruptTransmit, &priv->gfargrp);
+		enable_irq(priv->gfargrp.interruptError);
+		enable_irq(priv->gfargrp.interruptReceive);
+		enable_irq(priv->gfargrp.interruptTransmit);
 	} else {
-		disable_irq(priv->interruptTransmit);
-		gfar_interrupt(priv->interruptTransmit, dev);
-		enable_irq(priv->interruptTransmit);
+		disable_irq(priv->gfargrp.interruptTransmit);
+		gfar_interrupt(priv->gfargrp.interruptTransmit, &priv->gfargrp);
+		enable_irq(priv->gfargrp.interruptTransmit);
 	}
 }
 #endif
 
 /* The interrupt handler for devices with one interrupt */
-static irqreturn_t gfar_interrupt(int irq, void *dev_id)
+static irqreturn_t gfar_interrupt(int irq, void *grp_id)
 {
-	struct net_device *dev = dev_id;
-	struct gfar_private *priv = netdev_priv(dev);
+	struct gfar_priv_grp *gfargrp = grp_id;
 
 	/* Save ievent for future reference */
-	u32 events = gfar_read(&priv->regs->ievent);
+	u32 events = gfar_read(&gfargrp->regs->ievent);
 
 	/* Check for reception */
 	if (events & IEVENT_RX_MASK)
-		gfar_receive(irq, dev_id);
+		gfar_receive(irq, grp_id);
 
 	/* Check for transmit completion */
 	if (events & IEVENT_TX_MASK)
-		gfar_transmit(irq, dev_id);
+		gfar_transmit(irq, grp_id);
 
 	/* Check for errors */
 	if (events & IEVENT_ERR_MASK)
-		gfar_error(irq, dev_id);
+		gfar_error(irq, grp_id);
 
 	return IRQ_HANDLED;
 }
@@ -2158,7 +2181,7 @@ static void adjust_link(struct net_device *dev)
 {
 	struct gfar_private *priv = netdev_priv(dev);
 	struct gfar_priv_tx_q *tx_queue = NULL;
-	struct gfar __iomem *regs = priv->regs;
+	struct gfar __iomem *regs = priv->gfargrp.regs;
 	unsigned long flags;
 	struct phy_device *phydev = priv->phydev;
 	int new_state = 0;
@@ -2241,7 +2264,7 @@ static void gfar_set_multi(struct net_device *dev)
 {
 	struct dev_mc_list *mc_ptr;
 	struct gfar_private *priv = netdev_priv(dev);
-	struct gfar __iomem *regs = priv->regs;
+	struct gfar __iomem *regs = priv->gfargrp.regs;
 	u32 tempval;
 
 	if (dev->flags & IFF_PROMISC) {
@@ -2374,10 +2397,11 @@ static void gfar_set_hash_for_addr(struct net_device *dev, u8 *addr)
 static void gfar_set_mac_for_addr(struct net_device *dev, int num, u8 *addr)
 {
 	struct gfar_private *priv = netdev_priv(dev);
+	struct gfar __iomem *regs = priv->gfargrp.regs;
 	int idx;
 	char tmpbuf[MAC_ADDR_LEN];
 	u32 tempval;
-	u32 __iomem *macptr = &priv->regs->macstnaddr1;
+	u32 __iomem *macptr = &regs->macstnaddr1;
 
 	macptr += num*2;
 
@@ -2394,16 +2418,18 @@ static void gfar_set_mac_for_addr(struct net_device *dev, int num, u8 *addr)
 }
 
 /* GFAR error interrupt handler */
-static irqreturn_t gfar_error(int irq, void *dev_id)
+static irqreturn_t gfar_error(int irq, void *grp_id)
 {
-	struct net_device *dev = dev_id;
-	struct gfar_private *priv = netdev_priv(dev);
+	struct gfar_priv_grp *gfargrp = grp_id;
+	struct gfar __iomem *regs = gfargrp->regs;
+	struct gfar_private *priv= gfargrp->priv;
+	struct net_device *dev = priv->ndev;
 
 	/* Save ievent for future reference */
-	u32 events = gfar_read(&priv->regs->ievent);
+	u32 events = gfar_read(&regs->ievent);
 
 	/* Clear IEVENT */
-	gfar_write(&priv->regs->ievent, events & IEVENT_ERR_MASK);
+	gfar_write(&regs->ievent, events & IEVENT_ERR_MASK);
 
 	/* Magic Packet is not an error. */
 	if ((priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET) &&
@@ -2413,7 +2439,7 @@ static irqreturn_t gfar_error(int irq, void *dev_id)
 	/* Hmm... */
 	if (netif_msg_rx_err(priv) || netif_msg_tx_err(priv))
 		printk(KERN_DEBUG "%s: error interrupt (ievent=0x%08x imask=0x%08x)\n",
-		       dev->name, events, gfar_read(&priv->regs->imask));
+		       dev->name, events, gfar_read(&regs->imask));
 
 	/* Update the error counters */
 	if (events & IEVENT_TXE) {
@@ -2431,7 +2457,7 @@ static irqreturn_t gfar_error(int irq, void *dev_id)
 			priv->extra_stats.tx_underrun++;
 
 			/* Reactivate the Tx Queues */
-			gfar_write(&priv->regs->tstat, TSTAT_CLEAR_THALT);
+			gfar_write(&regs->tstat, TSTAT_CLEAR_THALT);
 		}
 		if (netif_msg_tx_err(priv))
 			printk(KERN_DEBUG "%s: Transmit Error\n", dev->name);
@@ -2440,11 +2466,11 @@ static irqreturn_t gfar_error(int irq, void *dev_id)
 		dev->stats.rx_errors++;
 		priv->extra_stats.rx_bsy++;
 
-		gfar_receive(irq, dev_id);
+		gfar_receive(irq, grp_id);
 
 		if (netif_msg_rx_err(priv))
 			printk(KERN_DEBUG "%s: busy error (rstat: %x)\n",
-			       dev->name, gfar_read(&priv->regs->rstat));
+			       dev->name, gfar_read(&regs->rstat));
 	}
 	if (events & IEVENT_BABR) {
 		dev->stats.rx_errors++;
diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h
index a60f93f1ae0..79e8471584e 100644
--- a/drivers/net/gianfar.h
+++ b/drivers/net/gianfar.h
@@ -770,6 +770,32 @@ struct gfar_priv_rx_q {
 	unsigned long rxic;
 };
 
+/**
+ *	struct gfar_priv_grp - per group structure
+ *	@priv: back pointer to the priv structure
+ *	@regs: the ioremapped register space for this group
+ *	@grp_id: group id for this group
+ *	@interruptTransmit: The TX interrupt number for this group
+ *	@interruptReceive: The RX interrupt number for this group
+ *	@interruptError: The ERROR interrupt number for this group
+ *	@int_name_tx: tx interrupt name for this group
+ *	@int_name_rx: rx interrupt name for this group
+ *	@int_name_er: er interrupt name for this group
+ */
+
+struct gfar_priv_grp {
+	spinlock_t grplock __attribute__ ((aligned (SMP_CACHE_BYTES)));
+	struct gfar_private *priv;
+	struct gfar __iomem *regs;
+	unsigned int interruptTransmit;
+	unsigned int interruptReceive;
+	unsigned int interruptError;
+
+	char int_name_tx[GFAR_INT_NAME_MAX];
+	char int_name_rx[GFAR_INT_NAME_MAX];
+	char int_name_er[GFAR_INT_NAME_MAX];
+};
+
 /* Struct stolen almost completely (and shamelessly) from the FCC enet source
  * (Ok, that's not so true anymore, but there is a family resemblence)
  * The GFAR buffer descriptors track the ring buffers.  The rx_bd_base
@@ -785,6 +811,7 @@ struct gfar_private {
 	struct net_device *ndev;
 	struct of_device *ofdev;
 
+	struct gfar_priv_grp gfargrp;
 	struct gfar_priv_tx_q *tx_queue;
 	struct gfar_priv_rx_q *rx_queue;
 
@@ -797,9 +824,6 @@ struct gfar_private {
 
 	struct vlan_group *vlgrp;
 
-	/* Unprotected fields */
-	/* Pointer to the GFAR memory mapped Registers */
-	struct gfar __iomem *regs;
 
 	/* Hash registers and their width */
 	u32 __iomem *hash_regs[16];
@@ -823,10 +847,6 @@ struct gfar_private {
 		wol_en:1; /* Wake-on-LAN enabled */
 	unsigned short padding;
 
-	unsigned int interruptTransmit;
-	unsigned int interruptReceive;
-	unsigned int interruptError;
-
 	/* PHY stuff */
 	struct phy_device *phydev;
 	struct mii_bus *mii_bus;
@@ -838,10 +858,6 @@ struct gfar_private {
 
 	struct work_struct reset_task;
 
-	char int_name_tx[GFAR_INT_NAME_MAX];
-	char int_name_rx[GFAR_INT_NAME_MAX];
-	char int_name_er[GFAR_INT_NAME_MAX];
-
 	/* Network Statistics */
 	struct gfar_extra_stats extra_stats;
 };
diff --git a/drivers/net/gianfar_ethtool.c b/drivers/net/gianfar_ethtool.c
index 6d0d1714c2f..c681b414767 100644
--- a/drivers/net/gianfar_ethtool.c
+++ b/drivers/net/gianfar_ethtool.c
@@ -137,10 +137,11 @@ static void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy,
 {
 	int i;
 	struct gfar_private *priv = netdev_priv(dev);
+	struct gfar __iomem *regs = priv->gfargrp.regs;
 	u64 *extra = (u64 *) & priv->extra_stats;
 
 	if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON) {
-		u32 __iomem *rmon = (u32 __iomem *) & priv->regs->rmon;
+		u32 __iomem *rmon = (u32 __iomem *) &regs->rmon;
 		struct gfar_stats *stats = (struct gfar_stats *) buf;
 
 		for (i = 0; i < GFAR_RMON_LEN; i++)
@@ -223,7 +224,7 @@ static void gfar_get_regs(struct net_device *dev, struct ethtool_regs *regs, voi
 {
 	int i;
 	struct gfar_private *priv = netdev_priv(dev);
-	u32 __iomem *theregs = (u32 __iomem *) priv->regs;
+	u32 __iomem *theregs = (u32 __iomem *) priv->gfargrp.regs;
 	u32 *buf = (u32 *) regbuf;
 
 	for (i = 0; i < sizeof (struct gfar) / sizeof (u32); i++)
@@ -349,6 +350,7 @@ static int gfar_gcoalesce(struct net_device *dev, struct ethtool_coalesce *cvals
 static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals)
 {
 	struct gfar_private *priv = netdev_priv(dev);
+	struct gfar __iomem *regs = priv->gfargrp.regs;
 	struct gfar_priv_tx_q *tx_queue = NULL;
 	struct gfar_priv_rx_q *rx_queue = NULL;
 
@@ -407,13 +409,13 @@ static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals
 	tx_queue->txic = mk_ic_value(cvals->tx_max_coalesced_frames,
 		gfar_usecs2ticks(priv, cvals->tx_coalesce_usecs));
 
-	gfar_write(&priv->regs->rxic, 0);
+	gfar_write(&regs->rxic, 0);
 	if (rx_queue->rxcoalescing)
-		gfar_write(&priv->regs->rxic, rx_queue->rxic);
+		gfar_write(&regs->rxic, rx_queue->rxic);
 
-	gfar_write(&priv->regs->txic, 0);
+	gfar_write(&regs->txic, 0);
 	if (tx_queue->txcoalescing)
-		gfar_write(&priv->regs->txic, tx_queue->txic);
+		gfar_write(&regs->txic, tx_queue->txic);
 
 	return 0;
 }
diff --git a/drivers/net/gianfar_sysfs.c b/drivers/net/gianfar_sysfs.c
index 9c664f85705..adea11ea403 100644
--- a/drivers/net/gianfar_sysfs.c
+++ b/drivers/net/gianfar_sysfs.c
@@ -50,6 +50,7 @@ static ssize_t gfar_set_bd_stash(struct device *dev,
 				 const char *buf, size_t count)
 {
 	struct gfar_private *priv = netdev_priv(to_net_dev(dev));
+	struct gfar __iomem *regs = priv->gfargrp.regs;
 	struct gfar_priv_rx_q *rx_queue = NULL;
 	int new_setting = 0;
 	u32 temp;
@@ -74,14 +75,14 @@ static ssize_t gfar_set_bd_stash(struct device *dev,
 	/* Set the new stashing value */
 	priv->bd_stash_en = new_setting;
 
-	temp = gfar_read(&priv->regs->attr);
+	temp = gfar_read(&regs->attr);
 
 	if (new_setting)
 		temp |= ATTR_BDSTASH;
 	else
 		temp &= ~(ATTR_BDSTASH);
 
-	gfar_write(&priv->regs->attr, temp);
+	gfar_write(&regs->attr, temp);
 
 	spin_unlock_irqrestore(&rx_queue->rxlock, flags);
 
@@ -103,6 +104,7 @@ static ssize_t gfar_set_rx_stash_size(struct device *dev,
 				      const char *buf, size_t count)
 {
 	struct gfar_private *priv = netdev_priv(to_net_dev(dev));
+	struct gfar __iomem *regs = priv->gfargrp.regs;
 	struct gfar_priv_rx_q *rx_queue = NULL;
 	unsigned int length = simple_strtoul(buf, NULL, 0);
 	u32 temp;
@@ -122,20 +124,20 @@ static ssize_t gfar_set_rx_stash_size(struct device *dev,
 
 	priv->rx_stash_size = length;
 
-	temp = gfar_read(&priv->regs->attreli);
+	temp = gfar_read(&regs->attreli);
 	temp &= ~ATTRELI_EL_MASK;
 	temp |= ATTRELI_EL(length);
-	gfar_write(&priv->regs->attreli, temp);
+	gfar_write(&regs->attreli, temp);
 
 	/* Turn stashing on/off as appropriate */
-	temp = gfar_read(&priv->regs->attr);
+	temp = gfar_read(&regs->attr);
 
 	if (length)
 		temp |= ATTR_BUFSTASH;
 	else
 		temp &= ~(ATTR_BUFSTASH);
 
-	gfar_write(&priv->regs->attr, temp);
+	gfar_write(&regs->attr, temp);
 
 out:
 	spin_unlock_irqrestore(&rx_queue->rxlock, flags);
@@ -161,6 +163,7 @@ static ssize_t gfar_set_rx_stash_index(struct device *dev,
 				       const char *buf, size_t count)
 {
 	struct gfar_private *priv = netdev_priv(to_net_dev(dev));
+	struct gfar __iomem *regs = priv->gfargrp.regs;
 	struct gfar_priv_rx_q *rx_queue = NULL;
 	unsigned short index = simple_strtoul(buf, NULL, 0);
 	u32 temp;
@@ -180,10 +183,10 @@ static ssize_t gfar_set_rx_stash_index(struct device *dev,
 
 	priv->rx_stash_index = index;
 
-	temp = gfar_read(&priv->regs->attreli);
+	temp = gfar_read(&regs->attreli);
 	temp &= ~ATTRELI_EI_MASK;
 	temp |= ATTRELI_EI(index);
-	gfar_write(&priv->regs->attreli, flags);
+	gfar_write(&regs->attreli, flags);
 
 out:
 	spin_unlock_irqrestore(&rx_queue->rxlock, flags);
@@ -208,6 +211,7 @@ static ssize_t gfar_set_fifo_threshold(struct device *dev,
 				       const char *buf, size_t count)
 {
 	struct gfar_private *priv = netdev_priv(to_net_dev(dev));
+	struct gfar __iomem *regs = priv->gfargrp.regs;
 	struct gfar_priv_tx_q *tx_queue = NULL;
 	unsigned int length = simple_strtoul(buf, NULL, 0);
 	u32 temp;
@@ -222,10 +226,10 @@ static ssize_t gfar_set_fifo_threshold(struct device *dev,
 
 	priv->fifo_threshold = length;
 
-	temp = gfar_read(&priv->regs->fifo_tx_thr);
+	temp = gfar_read(&regs->fifo_tx_thr);
 	temp &= ~FIFO_TX_THR_MASK;
 	temp |= length;
-	gfar_write(&priv->regs->fifo_tx_thr, temp);
+	gfar_write(&regs->fifo_tx_thr, temp);
 
 	spin_unlock_irqrestore(&tx_queue->txlock, flags);
 
@@ -248,6 +252,7 @@ static ssize_t gfar_set_fifo_starve(struct device *dev,
 				    const char *buf, size_t count)
 {
 	struct gfar_private *priv = netdev_priv(to_net_dev(dev));
+	struct gfar __iomem *regs = priv->gfargrp.regs;
 	struct gfar_priv_tx_q *tx_queue = NULL;
 	unsigned int num = simple_strtoul(buf, NULL, 0);
 	u32 temp;
@@ -261,10 +266,10 @@ static ssize_t gfar_set_fifo_starve(struct device *dev,
 
 	priv->fifo_starve = num;
 
-	temp = gfar_read(&priv->regs->fifo_tx_starve);
+	temp = gfar_read(&regs->fifo_tx_starve);
 	temp &= ~FIFO_TX_STARVE_MASK;
 	temp |= num;
-	gfar_write(&priv->regs->fifo_tx_starve, temp);
+	gfar_write(&regs->fifo_tx_starve, temp);
 
 	spin_unlock_irqrestore(&tx_queue->txlock, flags);
 
@@ -288,6 +293,7 @@ static ssize_t gfar_set_fifo_starve_off(struct device *dev,
 					const char *buf, size_t count)
 {
 	struct gfar_private *priv = netdev_priv(to_net_dev(dev));
+	struct gfar __iomem *regs = priv->gfargrp.regs;
 	struct gfar_priv_tx_q *tx_queue = NULL;
 	unsigned int num = simple_strtoul(buf, NULL, 0);
 	u32 temp;
@@ -301,10 +307,10 @@ static ssize_t gfar_set_fifo_starve_off(struct device *dev,
 
 	priv->fifo_starve_off = num;
 
-	temp = gfar_read(&priv->regs->fifo_tx_starve_shutoff);
+	temp = gfar_read(&regs->fifo_tx_starve_shutoff);
 	temp &= ~FIFO_TX_STARVE_OFF_MASK;
 	temp |= num;
-	gfar_write(&priv->regs->fifo_tx_starve_shutoff, temp);
+	gfar_write(&regs->fifo_tx_starve_shutoff, temp);
 
 	spin_unlock_irqrestore(&tx_queue->txlock, flags);
 
-- 
GitLab


From fba4ed030cfae7efdb6b79a57b0c5a9d72c9de83 Mon Sep 17 00:00:00 2001
From: Sandeep Gopalpet <Sandeep.Kumar@freescale.com>
Date: Mon, 2 Nov 2009 07:03:15 +0000
Subject: [PATCH 0855/1815] gianfar: Add Multiple Queue Support

This patch introduces multiple Tx and Rx queues.
The incoming packets can be classified into different queues
based on filer rules (out of scope of this patch). The number
of queues enabled will be based on a DTS entries fsl,num_tx_queues
and fsl,num_rx_queues.

Although we are enabling multiple queues, the interrupt coalescing
is on per device level (etsec-1.7 doesn't support multiple rxics
and txics).

Signed-off-by: Sandeep Gopalpet <Sandeep.Kumar@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/gianfar.c         | 695 +++++++++++++++++++++++-----------
 drivers/net/gianfar.h         |  96 ++++-
 drivers/net/gianfar_ethtool.c |  70 ++--
 drivers/net/gianfar_sysfs.c   |  50 +--
 4 files changed, 621 insertions(+), 290 deletions(-)

diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index fa0188ea923..aa258e89926 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -143,6 +143,7 @@ void gfar_start(struct net_device *dev);
 static void gfar_clear_exact_match(struct net_device *dev);
 static void gfar_set_mac_for_addr(struct net_device *dev, int num, u8 *addr);
 static int gfar_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
+u16 gfar_select_queue(struct net_device *dev, struct sk_buff *skb);
 
 MODULE_AUTHOR("Freescale Semiconductor, Inc");
 MODULE_DESCRIPTION("Gianfar Ethernet Driver");
@@ -171,71 +172,89 @@ static int gfar_init_bds(struct net_device *ndev)
 	struct gfar_priv_rx_q *rx_queue = NULL;
 	struct txbd8 *txbdp;
 	struct rxbd8 *rxbdp;
-	int i;
-
-	tx_queue = priv->tx_queue;
-	rx_queue = priv->rx_queue;
+	int i, j;
 
-	/* Initialize some variables in our dev structure */
-	tx_queue->num_txbdfree = tx_queue->tx_ring_size;
-	tx_queue->dirty_tx = tx_queue->cur_tx = tx_queue->tx_bd_base;
-	rx_queue->cur_rx = rx_queue->rx_bd_base;
-	tx_queue->skb_curtx = tx_queue->skb_dirtytx = 0;
-	rx_queue->skb_currx = 0;
+	for (i = 0; i < priv->num_tx_queues; i++) {
+		tx_queue = priv->tx_queue[i];
+		/* Initialize some variables in our dev structure */
+		tx_queue->num_txbdfree = tx_queue->tx_ring_size;
+		tx_queue->dirty_tx = tx_queue->tx_bd_base;
+		tx_queue->cur_tx = tx_queue->tx_bd_base;
+		tx_queue->skb_curtx = 0;
+		tx_queue->skb_dirtytx = 0;
+
+		/* Initialize Transmit Descriptor Ring */
+		txbdp = tx_queue->tx_bd_base;
+		for (j = 0; j < tx_queue->tx_ring_size; j++) {
+			txbdp->lstatus = 0;
+			txbdp->bufPtr = 0;
+			txbdp++;
+		}
 
-	/* Initialize Transmit Descriptor Ring */
-	txbdp = tx_queue->tx_bd_base;
-	for (i = 0; i < tx_queue->tx_ring_size; i++) {
-		txbdp->lstatus = 0;
-		txbdp->bufPtr = 0;
-		txbdp++;
+		/* Set the last descriptor in the ring to indicate wrap */
+		txbdp--;
+		txbdp->status |= TXBD_WRAP;
 	}
 
-	/* Set the last descriptor in the ring to indicate wrap */
-	txbdp--;
-	txbdp->status |= TXBD_WRAP;
+	for (i = 0; i < priv->num_rx_queues; i++) {
+		rx_queue = priv->rx_queue[i];
+		rx_queue->cur_rx = rx_queue->rx_bd_base;
+		rx_queue->skb_currx = 0;
+		rxbdp = rx_queue->rx_bd_base;
 
-	rxbdp = rx_queue->rx_bd_base;
-	for (i = 0; i < rx_queue->rx_ring_size; i++) {
-		struct sk_buff *skb = rx_queue->rx_skbuff[i];
+		for (j = 0; j < rx_queue->rx_ring_size; j++) {
+			struct sk_buff *skb = rx_queue->rx_skbuff[j];
 
-		if (skb) {
-			gfar_init_rxbdp(rx_queue, rxbdp, rxbdp->bufPtr);
-		} else {
-			skb = gfar_new_skb(ndev);
-			if (!skb) {
-				pr_err("%s: Can't allocate RX buffers\n",
-				       ndev->name);
-				return -ENOMEM;
+			if (skb) {
+				gfar_init_rxbdp(rx_queue, rxbdp,
+						rxbdp->bufPtr);
+			} else {
+				skb = gfar_new_skb(ndev);
+				if (!skb) {
+					pr_err("%s: Can't allocate RX buffers\n",
+							ndev->name);
+					goto err_rxalloc_fail;
+				}
+				rx_queue->rx_skbuff[j] = skb;
+
+				gfar_new_rxbdp(rx_queue, rxbdp, skb);
 			}
-			rx_queue->rx_skbuff[i] = skb;
 
-			gfar_new_rxbdp(rx_queue, rxbdp, skb);
+			rxbdp++;
 		}
 
-		rxbdp++;
 	}
 
 	return 0;
+
+err_rxalloc_fail:
+	free_skb_resources(priv);
+	return -ENOMEM;
 }
 
 static int gfar_alloc_skb_resources(struct net_device *ndev)
 {
 	void *vaddr;
-	int i;
+	dma_addr_t addr;
+	int i, j, k;
 	struct gfar_private *priv = netdev_priv(ndev);
 	struct device *dev = &priv->ofdev->dev;
 	struct gfar_priv_tx_q *tx_queue = NULL;
 	struct gfar_priv_rx_q *rx_queue = NULL;
 
-	tx_queue = priv->tx_queue;
-	rx_queue = priv->rx_queue;
+	priv->total_tx_ring_size = 0;
+	for (i = 0; i < priv->num_tx_queues; i++)
+		priv->total_tx_ring_size += priv->tx_queue[i]->tx_ring_size;
+
+	priv->total_rx_ring_size = 0;
+	for (i = 0; i < priv->num_rx_queues; i++)
+		priv->total_rx_ring_size += priv->rx_queue[i]->rx_ring_size;
 
 	/* Allocate memory for the buffer descriptors */
 	vaddr = dma_alloc_coherent(dev,
-			sizeof(*tx_queue->tx_bd_base) * tx_queue->tx_ring_size +
-			sizeof(*rx_queue->rx_bd_base) * rx_queue->rx_ring_size,
-			&tx_queue->tx_bd_dma_base, GFP_KERNEL);
+			sizeof(struct txbd8) * priv->total_tx_ring_size +
+			sizeof(struct rxbd8) * priv->total_rx_ring_size,
+			&addr, GFP_KERNEL);
 	if (!vaddr) {
 		if (netif_msg_ifup(priv))
 			pr_err("%s: Could not allocate buffer descriptors!\n",
@@ -243,38 +262,57 @@ static int gfar_alloc_skb_resources(struct net_device *ndev)
 		return -ENOMEM;
 	}
 
-	tx_queue->tx_bd_base = vaddr;
-	tx_queue->dev = ndev;
+	for (i = 0; i < priv->num_tx_queues; i++) {
+		tx_queue = priv->tx_queue[i];
+		tx_queue->tx_bd_base = (struct txbd8 *) vaddr;
+		tx_queue->tx_bd_dma_base = addr;
+		tx_queue->dev = ndev;
+		/* enet DMA only understands physical addresses */
+		addr    += sizeof(struct txbd8) *tx_queue->tx_ring_size;
+		vaddr   += sizeof(struct txbd8) *tx_queue->tx_ring_size;
+	}
 
 	/* Start the rx descriptor ring where the tx ring leaves off */
-	vaddr = vaddr + sizeof(*tx_queue->tx_bd_base) * tx_queue->tx_ring_size;
-	rx_queue->rx_bd_base = vaddr;
-	rx_queue->dev = ndev;
+	for (i = 0; i < priv->num_rx_queues; i++) {
+		rx_queue = priv->rx_queue[i];
+		rx_queue->rx_bd_base = (struct rxbd8 *) vaddr;
+		rx_queue->rx_bd_dma_base = addr;
+		rx_queue->dev = ndev;
+		addr    += sizeof (struct rxbd8) * rx_queue->rx_ring_size;
+		vaddr   += sizeof (struct rxbd8) * rx_queue->rx_ring_size;
+	}
 
 	/* Setup the skbuff rings */
-	tx_queue->tx_skbuff = kmalloc(sizeof(*tx_queue->tx_skbuff) *
+	for (i = 0; i < priv->num_tx_queues; i++) {
+		tx_queue = priv->tx_queue[i];
+		tx_queue->tx_skbuff = kmalloc(sizeof(*tx_queue->tx_skbuff) *
 				  tx_queue->tx_ring_size, GFP_KERNEL);
-	if (!tx_queue->tx_skbuff) {
-		if (netif_msg_ifup(priv))
-			pr_err("%s: Could not allocate tx_skbuff\n",
-			       ndev->name);
-		goto cleanup;
-	}
+		if (!tx_queue->tx_skbuff) {
+			if (netif_msg_ifup(priv))
+				pr_err("%s: Could not allocate tx_skbuff\n",
+						ndev->name);
+			goto cleanup;
+		}
 
-	for (i = 0; i < tx_queue->tx_ring_size; i++)
-		tx_queue->tx_skbuff[i] = NULL;
+		for (k = 0; k < tx_queue->tx_ring_size; k++)
+			tx_queue->tx_skbuff[k] = NULL;
+	}
 
-	rx_queue->rx_skbuff = kmalloc(sizeof(*rx_queue->rx_skbuff) *
+	for (i = 0; i < priv->num_rx_queues; i++) {
+		rx_queue = priv->rx_queue[i];
+		rx_queue->rx_skbuff = kmalloc(sizeof(*rx_queue->rx_skbuff) *
 				  rx_queue->rx_ring_size, GFP_KERNEL);
-	if (!rx_queue->rx_skbuff) {
-		if (netif_msg_ifup(priv))
-			pr_err("%s: Could not allocate rx_skbuff\n",
-			       ndev->name);
-		goto cleanup;
-	}
 
-	for (i = 0; i < rx_queue->rx_ring_size; i++)
-		rx_queue->rx_skbuff[i] = NULL;
+		if (!rx_queue->rx_skbuff) {
+			if (netif_msg_ifup(priv))
+				pr_err("%s: Could not allocate rx_skbuff\n",
+				       ndev->name);
+			goto cleanup;
+		}
+
+		for (j = 0; j < rx_queue->rx_ring_size; j++)
+			rx_queue->rx_skbuff[j] = NULL;
+	}
 
 	if (gfar_init_bds(ndev))
 		goto cleanup;
@@ -286,33 +324,47 @@ cleanup:
 	return -ENOMEM;
 }
 
+static void gfar_init_tx_rx_base(struct gfar_private *priv)
+{
+	struct gfar __iomem *regs = priv->gfargrp.regs;
+	u32 *baddr;
+	int i;
+
+	baddr = &regs->tbase0;
+	for(i = 0; i < priv->num_tx_queues; i++) {
+		gfar_write(baddr, priv->tx_queue[i]->tx_bd_dma_base);
+		baddr	+= 2;
+	}
+
+	baddr = &regs->rbase0;
+	for(i = 0; i < priv->num_rx_queues; i++) {
+		gfar_write(baddr, priv->rx_queue[i]->rx_bd_dma_base);
+		baddr   += 2;
+	}
+}
+
 static void gfar_init_mac(struct net_device *ndev)
 {
 	struct gfar_private *priv = netdev_priv(ndev);
-	struct gfar_priv_tx_q *tx_queue = NULL;
-	struct gfar_priv_rx_q *rx_queue = NULL;
 	struct gfar __iomem *regs = priv->gfargrp.regs;
 	u32 rctrl = 0;
 	u32 tctrl = 0;
 	u32 attrs = 0;
 
-	tx_queue = priv->tx_queue;
-	rx_queue = priv->rx_queue;
-
-	/* enet DMA only understands physical addresses */
-	gfar_write(&regs->tbase0, tx_queue->tx_bd_dma_base);
-	gfar_write(&regs->rbase0, tx_queue->tx_bd_dma_base +
-				  sizeof(*tx_queue->tx_bd_base) *
-				  tx_queue->tx_ring_size);
+	/* write the tx/rx base registers */
+	gfar_init_tx_rx_base(priv);
 
 	/* Configure the coalescing support */
 	gfar_write(&regs->txic, 0);
-	if (tx_queue->txcoalescing)
-		gfar_write(&regs->txic, tx_queue->txic);
+	if (priv->tx_queue[0]->txcoalescing)
+		gfar_write(&regs->txic, priv->tx_queue[0]->txic);
 
 	gfar_write(&regs->rxic, 0);
-	if (rx_queue->rxcoalescing)
-		gfar_write(&regs->rxic, rx_queue->rxic);
+	if (priv->rx_queue[0]->rxcoalescing)
+		gfar_write(&regs->rxic, priv->rx_queue[0]->rxic);
+
+	if (priv->rx_filer_enable)
+		rctrl |= RCTRL_FILREN;
 
 	if (priv->rx_csum_enable)
 		rctrl |= RCTRL_CHECKSUMMING;
@@ -341,6 +393,8 @@ static void gfar_init_mac(struct net_device *ndev)
 	if (ndev->features & NETIF_F_IP_CSUM)
 		tctrl |= TCTRL_INIT_CSUM;
 
+	tctrl |= TCTRL_TXSCHED_PRIO;
+
 	gfar_write(&regs->tctrl, tctrl);
 
 	/* Set the extraction length and index */
@@ -374,6 +428,7 @@ static const struct net_device_ops gfar_netdev_ops = {
 	.ndo_set_multicast_list = gfar_set_multi,
 	.ndo_tx_timeout = gfar_timeout,
 	.ndo_do_ioctl = gfar_ioctl,
+	.ndo_select_queue = gfar_select_queue,
 	.ndo_vlan_rx_register = gfar_vlan_rx_register,
 	.ndo_set_mac_address = eth_mac_addr,
 	.ndo_validate_addr = eth_validate_addr,
@@ -382,36 +437,131 @@ static const struct net_device_ops gfar_netdev_ops = {
 #endif
 };
 
+void lock_rx_qs(struct gfar_private *priv)
+{
+	int i = 0x0;
+
+	for (i = 0; i < priv->num_rx_queues; i++)
+		spin_lock(&priv->rx_queue[i]->rxlock);
+}
+
+void lock_tx_qs(struct gfar_private *priv)
+{
+	int i = 0x0;
+
+	for (i = 0; i < priv->num_tx_queues; i++)
+		spin_lock(&priv->tx_queue[i]->txlock);
+}
+
+void unlock_rx_qs(struct gfar_private *priv)
+{
+	int i = 0x0;
+
+	for (i = 0; i < priv->num_rx_queues; i++)
+		spin_unlock(&priv->rx_queue[i]->rxlock);
+}
+
+void unlock_tx_qs(struct gfar_private *priv)
+{
+	int i = 0x0;
+
+	for (i = 0; i < priv->num_tx_queues; i++)
+		spin_unlock(&priv->tx_queue[i]->txlock);
+}
+
 /* Returns 1 if incoming frames use an FCB */
 static inline int gfar_uses_fcb(struct gfar_private *priv)
 {
 	return priv->vlgrp || priv->rx_csum_enable;
 }
 
-static int gfar_of_init(struct net_device *dev)
+u16 gfar_select_queue(struct net_device *dev, struct sk_buff *skb)
+{
+	return skb_get_queue_mapping(skb);
+}
+static void free_tx_pointers(struct gfar_private *priv)
+{
+	int i = 0;
+
+	for (i = 0; i < priv->num_tx_queues; i++)
+		kfree(priv->tx_queue[i]);
+}
+
+static void free_rx_pointers(struct gfar_private *priv)
+{
+	int i = 0;
+
+	for (i = 0; i < priv->num_rx_queues; i++)
+		kfree(priv->rx_queue[i]);
+}
+
+static int gfar_of_init(struct of_device *ofdev, struct net_device **pdev)
 {
 	const char *model;
 	const char *ctype;
 	const void *mac_addr;
 	u64 addr, size;
-	int err = 0;
-	struct gfar_private *priv = netdev_priv(dev);
-	struct device_node *np = priv->node;
+	int err = 0, i;
+	struct net_device *dev = NULL;
+	struct gfar_private *priv = NULL;
+	struct device_node *np = ofdev->node;
 	const u32 *stash;
 	const u32 *stash_len;
 	const u32 *stash_idx;
+	unsigned int num_tx_qs, num_rx_qs;
+	u32 *tx_queues, *rx_queues;
 
 	if (!np || !of_device_is_available(np))
 		return -ENODEV;
 
+	/* parse the num of tx and rx queues */
+	tx_queues = (u32 *)of_get_property(np, "fsl,num_tx_queues", NULL);
+	num_tx_qs = tx_queues ? *tx_queues : 1;
+
+	if (num_tx_qs > MAX_TX_QS) {
+		printk(KERN_ERR "num_tx_qs(=%d) greater than MAX_TX_QS(=%d)\n",
+				num_tx_qs, MAX_TX_QS);
+		printk(KERN_ERR "Cannot do alloc_etherdev, aborting\n");
+		return -EINVAL;
+	}
+
+	rx_queues = (u32 *)of_get_property(np, "fsl,num_rx_queues", NULL);
+	num_rx_qs = rx_queues ? *rx_queues : 1;
+
+	if (num_rx_qs > MAX_RX_QS) {
+		printk(KERN_ERR "num_rx_qs(=%d) greater than MAX_RX_QS(=%d)\n",
+				num_tx_qs, MAX_TX_QS);
+		printk(KERN_ERR "Cannot do alloc_etherdev, aborting\n");
+		return -EINVAL;
+	}
+
+	*pdev = alloc_etherdev_mq(sizeof(*priv), num_tx_qs);
+	dev = *pdev;
+	if (NULL == dev)
+		return -ENOMEM;
+
+	priv = netdev_priv(dev);
+	priv->node = ofdev->node;
+	priv->ndev = dev;
+
+	dev->num_tx_queues = num_tx_qs;
+	dev->real_num_tx_queues = num_tx_qs;
+	priv->num_tx_queues = num_tx_qs;
+	priv->num_rx_queues = num_rx_qs;
+
 	/* get a pointer to the register memory */
 	addr = of_translate_address(np, of_get_address(np, 0, &size, NULL));
 	priv->gfargrp.regs = ioremap(addr, size);
 
-	if (priv->gfargrp.regs == NULL)
-		return -ENOMEM;
+	if (priv->gfargrp.regs == NULL) {
+		err = -ENOMEM;
+		goto err_out;
+	}
 
 	priv->gfargrp.priv = priv; /* back pointer from group to priv */
+	priv->gfargrp.rx_bit_map = DEFAULT_MAPPING;
+	priv->gfargrp.tx_bit_map = DEFAULT_MAPPING;
+
 	priv->gfargrp.interruptTransmit = irq_of_parse_and_map(np, 0);
 
 	model = of_get_property(np, "model", NULL);
@@ -430,6 +580,38 @@ static int gfar_of_init(struct net_device *dev)
 		}
 	}
 
+	for (i = 0; i < priv->num_tx_queues; i++)
+	       priv->tx_queue[i] = NULL;
+	for (i = 0; i < priv->num_rx_queues; i++)
+		priv->rx_queue[i] = NULL;
+
+	for (i = 0; i < priv->num_tx_queues; i++) {
+		priv->tx_queue[i] =  (struct gfar_priv_tx_q *)kmalloc(
+				sizeof (struct gfar_priv_tx_q), GFP_KERNEL);
+		if (!priv->tx_queue[i]) {
+			err = -ENOMEM;
+			goto tx_alloc_failed;
+		}
+		priv->tx_queue[i]->tx_skbuff = NULL;
+		priv->tx_queue[i]->qindex = i;
+		priv->tx_queue[i]->dev = dev;
+		spin_lock_init(&(priv->tx_queue[i]->txlock));
+	}
+
+	for (i = 0; i < priv->num_rx_queues; i++) {
+		priv->rx_queue[i] = (struct gfar_priv_rx_q *)kmalloc(
+					sizeof (struct gfar_priv_rx_q), GFP_KERNEL);
+		if (!priv->rx_queue[i]) {
+			err = -ENOMEM;
+			goto rx_alloc_failed;
+		}
+		priv->rx_queue[i]->rx_skbuff = NULL;
+		priv->rx_queue[i]->qindex = i;
+		priv->rx_queue[i]->dev = dev;
+		spin_lock_init(&(priv->rx_queue[i]->rxlock));
+	}
+
+
 	stash = of_get_property(np, "bd-stash", NULL);
 
 	if (stash) {
@@ -490,8 +672,13 @@ static int gfar_of_init(struct net_device *dev)
 
 	return 0;
 
+rx_alloc_failed:
+	free_rx_pointers(priv);
+tx_alloc_failed:
+	free_tx_pointers(priv);
 err_out:
 	iounmap(priv->gfargrp.regs);
+	free_netdev(dev);
 	return err;
 }
 
@@ -509,6 +696,17 @@ static int gfar_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 	return phy_mii_ioctl(priv->phydev, if_mii(rq), cmd);
 }
 
+static unsigned int reverse_bitmap(unsigned int bit_map, unsigned int max_qs)
+{
+	unsigned int new_bit_map = 0x0;
+	int mask = 0x1 << (max_qs - 1), i;
+	for (i = 0; i < max_qs; i++) {
+		if (bit_map & mask)
+			new_bit_map = new_bit_map + (1 << i);
+		mask = mask >> 0x1;
+	}
+	return new_bit_map;
+}
 /* Set up the ethernet device structure, private data,
  * and anything else we need before we start */
 static int gfar_probe(struct of_device *ofdev,
@@ -518,14 +716,14 @@ static int gfar_probe(struct of_device *ofdev,
 	struct net_device *dev = NULL;
 	struct gfar_private *priv = NULL;
 	struct gfar __iomem *regs = NULL;
-	int err = 0;
+	int err = 0, i;
 	int len_devname;
+	u32 rstat = 0, tstat = 0, rqueue = 0, tqueue = 0;
 
-	/* Create an ethernet device instance */
-	dev = alloc_etherdev(sizeof (*priv));
+	err = gfar_of_init(ofdev, &dev);
 
-	if (NULL == dev)
-		return -ENOMEM;
+	if (err)
+		return err;
 
 	priv = netdev_priv(dev);
 	priv->ndev = dev;
@@ -533,23 +731,6 @@ static int gfar_probe(struct of_device *ofdev,
 	priv->node = ofdev->node;
 	SET_NETDEV_DEV(dev, &ofdev->dev);
 
-	err = gfar_of_init(dev);
-
-	if (err)
-		goto regs_fail;
-
-	priv->tx_queue = (struct gfar_priv_tx_q *)kmalloc(
-				sizeof (struct gfar_priv_tx_q), GFP_KERNEL);
-	if (!priv->tx_queue)
-		goto regs_fail;
-
-	priv->rx_queue = (struct gfar_priv_rx_q *)kmalloc(
-				sizeof (struct gfar_priv_rx_q), GFP_KERNEL);
-	if (!priv->rx_queue)
-		goto rx_queue_fail;
-
-	spin_lock_init(&priv->tx_queue->txlock);
-	spin_lock_init(&priv->rx_queue->rxlock);
 	spin_lock_init(&priv->gfargrp.grplock);
 	spin_lock_init(&priv->bflock);
 	INIT_WORK(&priv->reset_task, gfar_reset_task);
@@ -587,8 +768,8 @@ static int gfar_probe(struct of_device *ofdev,
 	dev->netdev_ops = &gfar_netdev_ops;
 	dev->ethtool_ops = &gfar_ethtool_ops;
 
-	/* Register for napi ...NAPI is for each rx_queue */
-	netif_napi_add(dev, &priv->rx_queue->napi, gfar_poll, GFAR_DEV_WEIGHT);
+	/* Register for napi ...We are registering NAPI for each grp */
+	netif_napi_add(dev, &priv->gfargrp.napi, gfar_poll, GFAR_DEV_WEIGHT);
 
 	if (priv->device_flags & FSL_GIANFAR_DEV_HAS_CSUM) {
 		priv->rx_csum_enable = 1;
@@ -644,17 +825,44 @@ static int gfar_probe(struct of_device *ofdev,
 	if (dev->features & NETIF_F_IP_CSUM)
 		dev->hard_header_len += GMAC_FCB_LEN;
 
+	/* Need to reverse the bit maps as  bit_map's MSB is q0
+	 * but, for_each_bit parses from right to left, which
+	 * basically reverses the queue numbers */
+	priv->gfargrp.tx_bit_map = reverse_bitmap(priv->gfargrp.tx_bit_map, MAX_TX_QS);
+	priv->gfargrp.rx_bit_map = reverse_bitmap(priv->gfargrp.rx_bit_map, MAX_RX_QS);
+
+	/* Calculate RSTAT, TSTAT, RQUEUE and TQUEUE values */
+	for_each_bit(i, &priv->gfargrp.rx_bit_map, priv->num_rx_queues) {
+		priv->gfargrp.num_rx_queues++;
+		rstat = rstat | (RSTAT_CLEAR_RHALT >> i);
+		rqueue = rqueue | ((RQUEUE_EN0 | RQUEUE_EX0) >> i);
+	}
+	for_each_bit (i, &priv->gfargrp.tx_bit_map, priv->num_tx_queues) {
+		priv->gfargrp.num_tx_queues++;
+		tstat = tstat | (TSTAT_CLEAR_THALT >> i);
+		tqueue = tqueue | (TQUEUE_EN0 >> i);
+	}
+	priv->gfargrp.rstat = rstat;
+	priv->gfargrp.tstat = tstat;
+
+	gfar_write(&regs->rqueue, rqueue);
+	gfar_write(&regs->tqueue, tqueue);
+
 	priv->rx_buffer_size = DEFAULT_RX_BUFFER_SIZE;
 
 	/* Initializing some of the rx/tx queue level parameters */
-	priv->tx_queue->tx_ring_size = DEFAULT_TX_RING_SIZE;
-	priv->tx_queue->num_txbdfree = DEFAULT_TX_RING_SIZE;
-	priv->tx_queue->txcoalescing = DEFAULT_TX_COALESCE;
-	priv->tx_queue->txic = DEFAULT_TXIC;
+	for (i = 0; i < priv->num_tx_queues; i++) {
+		priv->tx_queue[i]->tx_ring_size = DEFAULT_TX_RING_SIZE;
+		priv->tx_queue[i]->num_txbdfree = DEFAULT_TX_RING_SIZE;
+		priv->tx_queue[i]->txcoalescing = DEFAULT_TX_COALESCE;
+		priv->tx_queue[i]->txic = DEFAULT_TXIC;
+	}
 
-	priv->rx_queue->rx_ring_size = DEFAULT_RX_RING_SIZE;
-	priv->rx_queue->rxcoalescing = DEFAULT_RX_COALESCE;
-	priv->rx_queue->rxic = DEFAULT_RXIC;
+	for (i = 0; i < priv->num_rx_queues; i++) {
+		priv->rx_queue[i]->rx_ring_size = DEFAULT_RX_RING_SIZE;
+		priv->rx_queue[i]->rxcoalescing = DEFAULT_RX_COALESCE;
+		priv->rx_queue[i]->rxic = DEFAULT_RXIC;
+	}
 
 	/* Enable most messages by default */
 	priv->msg_enable = (NETIF_MSG_IFUP << 1 ) - 1;
@@ -699,17 +907,19 @@ static int gfar_probe(struct of_device *ofdev,
 	/* Even more device info helps when determining which kernel */
 	/* provided which set of benchmarks. */
 	printk(KERN_INFO "%s: Running with NAPI enabled\n", dev->name);
-	printk(KERN_INFO "%s: %d/%d RX/TX BD ring size\n",
-	       dev->name, priv->rx_queue->rx_ring_size, priv->tx_queue->tx_ring_size);
+	for (i = 0; i < priv->num_rx_queues; i++)
+		printk(KERN_INFO "%s: :RX BD ring size for Q[%d]: %d\n",
+			dev->name, i, priv->rx_queue[i]->rx_ring_size);
+	for(i = 0; i < priv->num_tx_queues; i++)
+		 printk(KERN_INFO "%s:TX BD ring size for Q[%d]: %d\n",
+			dev->name, i, priv->tx_queue[i]->tx_ring_size);
 
 	return 0;
 
 register_fail:
 	iounmap(priv->gfargrp.regs);
-	kfree(priv->rx_queue);
-rx_queue_fail:
-	kfree(priv->tx_queue);
-regs_fail:
+	free_tx_pointers(priv);
+	free_rx_pointers(priv);
 	if (priv->phy_node)
 		of_node_put(priv->phy_node);
 	if (priv->tbi_node)
@@ -742,8 +952,6 @@ static int gfar_suspend(struct device *dev)
 {
 	struct gfar_private *priv = dev_get_drvdata(dev);
 	struct net_device *ndev = priv->ndev;
-	struct gfar_priv_tx_q *tx_queue = NULL;
-	struct gfar_priv_rx_q *rx_queue = NULL;
 	struct gfar __iomem *regs = NULL;
 	unsigned long flags;
 	u32 tempval;
@@ -752,13 +960,13 @@ static int gfar_suspend(struct device *dev)
 		(priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET);
 
 	netif_device_detach(ndev);
-	tx_queue = priv->tx_queue;
-	rx_queue = priv->rx_queue;
 	regs = priv->gfargrp.regs;
 
 	if (netif_running(ndev)) {
-		spin_lock_irqsave(&tx_queue->txlock, flags);
-		spin_lock(&rx_queue->rxlock);
+
+		local_irq_save(flags);
+		lock_tx_qs(priv);
+		lock_rx_qs(priv);
 
 		gfar_halt_nodisable(ndev);
 
@@ -772,10 +980,11 @@ static int gfar_suspend(struct device *dev)
 
 		gfar_write(&regs->maccfg1, tempval);
 
-		spin_unlock(&rx_queue->rxlock);
-		spin_unlock_irqrestore(&tx_queue->txlock, flags);
+		unlock_rx_qs(priv);
+		unlock_tx_qs(priv);
+		local_irq_restore(flags);
 
-		napi_disable(&rx_queue->napi);
+		napi_disable(&priv->gfargrp.napi);
 
 		if (magic_packet) {
 			/* Enable interrupt on Magic Packet */
@@ -797,8 +1006,6 @@ static int gfar_resume(struct device *dev)
 {
 	struct gfar_private *priv = dev_get_drvdata(dev);
 	struct net_device *ndev = priv->ndev;
-	struct gfar_priv_tx_q *tx_queue = NULL;
-	struct gfar_priv_rx_q *rx_queue = NULL;
 	struct gfar __iomem *regs = NULL;
 	unsigned long flags;
 	u32 tempval;
@@ -816,12 +1023,11 @@ static int gfar_resume(struct device *dev)
 	/* Disable Magic Packet mode, in case something
 	 * else woke us up.
 	 */
-	rx_queue = priv->rx_queue;
-	tx_queue = priv->tx_queue;
 	regs = priv->gfargrp.regs;
 
-	spin_lock_irqsave(&tx_queue->txlock, flags);
-	spin_lock(&rx_queue->rxlock);
+	local_irq_save(flags);
+	lock_tx_qs(priv);
+	lock_rx_qs(priv);
 
 	tempval = gfar_read(&regs->maccfg2);
 	tempval &= ~MACCFG2_MPEN;
@@ -829,12 +1035,13 @@ static int gfar_resume(struct device *dev)
 
 	gfar_start(ndev);
 
-	spin_unlock(&rx_queue->rxlock);
-	spin_unlock_irqrestore(&tx_queue->txlock, flags);
+	unlock_rx_qs(priv);
+	unlock_tx_qs(priv);
+	local_irq_restore(flags);
 
 	netif_device_attach(ndev);
 
-	napi_enable(&rx_queue->napi);
+	napi_enable(&priv->gfargrp.napi);
 
 	return 0;
 }
@@ -861,7 +1068,7 @@ static int gfar_restore(struct device *dev)
 		phy_start(priv->phydev);
 
 	netif_device_attach(ndev);
-	napi_enable(&priv->napi);
+	napi_enable(&priv->gfargrp.napi);
 
 	return 0;
 }
@@ -1115,23 +1322,21 @@ void gfar_halt(struct net_device *dev)
 void stop_gfar(struct net_device *dev)
 {
 	struct gfar_private *priv = netdev_priv(dev);
-	struct gfar_priv_tx_q *tx_queue = NULL;
-	struct gfar_priv_rx_q *rx_queue = NULL;
 	unsigned long flags;
 
 	phy_stop(priv->phydev);
 
-	tx_queue = priv->tx_queue;
-	rx_queue = priv->rx_queue;
 
 	/* Lock it down */
-	spin_lock_irqsave(&tx_queue->txlock, flags);
-	spin_lock(&rx_queue->rxlock);
+	local_irq_save(flags);
+	lock_tx_qs(priv);
+	lock_rx_qs(priv);
 
 	gfar_halt(dev);
 
-	spin_unlock(&rx_queue->rxlock);
-	spin_unlock_irqrestore(&tx_queue->txlock, flags);
+	unlock_rx_qs(priv);
+	unlock_tx_qs(priv);
+	local_irq_restore(flags);
 
 	/* Free the IRQs */
 	if (priv->device_flags & FSL_GIANFAR_DEV_HAS_MULTI_INTR) {
@@ -1145,24 +1350,14 @@ void stop_gfar(struct net_device *dev)
 	free_skb_resources(priv);
 }
 
-/* If there are any tx skbs or rx skbs still around, free them.
- * Then free tx_skbuff and rx_skbuff */
-static void free_skb_resources(struct gfar_private *priv)
+static void free_skb_tx_queue(struct gfar_priv_tx_q *tx_queue)
 {
-	struct device *dev = &priv->ofdev->dev;
-	struct rxbd8 *rxbdp;
 	struct txbd8 *txbdp;
-	struct gfar_priv_tx_q *tx_queue = NULL;
-	struct gfar_priv_rx_q *rx_queue = NULL;
+	struct gfar_private *priv = netdev_priv(tx_queue->dev);
 	int i, j;
 
-	/* Go through all the buffer descriptors and free their data buffers */
-	tx_queue = priv->tx_queue;
 	txbdp = tx_queue->tx_bd_base;
 
-	if (!tx_queue->tx_skbuff)
-		goto skip_tx_skbuff;
-
 	for (i = 0; i < tx_queue->tx_ring_size; i++) {
 		if (!tx_queue->tx_skbuff[i])
 			continue;
@@ -1170,7 +1365,8 @@ static void free_skb_resources(struct gfar_private *priv)
 		dma_unmap_single(&priv->ofdev->dev, txbdp->bufPtr,
 				txbdp->length, DMA_TO_DEVICE);
 		txbdp->lstatus = 0;
-		for (j = 0; j < skb_shinfo(tx_queue->tx_skbuff[i])->nr_frags; j++) {
+		for (j = 0; j < skb_shinfo(tx_queue->tx_skbuff[i])->nr_frags;
+				j++) {
 			txbdp++;
 			dma_unmap_page(&priv->ofdev->dev, txbdp->bufPtr,
 					txbdp->length, DMA_TO_DEVICE);
@@ -1179,36 +1375,58 @@ static void free_skb_resources(struct gfar_private *priv)
 		dev_kfree_skb_any(tx_queue->tx_skbuff[i]);
 		tx_queue->tx_skbuff[i] = NULL;
 	}
-
 	kfree(tx_queue->tx_skbuff);
-skip_tx_skbuff:
+}
 
-	rx_queue = priv->rx_queue;
-	rxbdp = rx_queue->rx_bd_base;
+static void free_skb_rx_queue(struct gfar_priv_rx_q *rx_queue)
+{
+	struct rxbd8 *rxbdp;
+	struct gfar_private *priv = netdev_priv(rx_queue->dev);
+	int i;
 
-	if (!rx_queue->rx_skbuff)
-		goto skip_rx_skbuff;
+	rxbdp = rx_queue->rx_bd_base;
 
 	for (i = 0; i < rx_queue->rx_ring_size; i++) {
 		if (rx_queue->rx_skbuff[i]) {
-			dma_unmap_single(&priv->ofdev->dev, rxbdp->bufPtr,
-					 priv->rx_buffer_size,
+			dma_unmap_single(&priv->ofdev->dev,
+					rxbdp->bufPtr, priv->rx_buffer_size,
 					DMA_FROM_DEVICE);
 			dev_kfree_skb_any(rx_queue->rx_skbuff[i]);
 			rx_queue->rx_skbuff[i] = NULL;
 		}
-
 		rxbdp->lstatus = 0;
 		rxbdp->bufPtr = 0;
 		rxbdp++;
 	}
-
 	kfree(rx_queue->rx_skbuff);
-skip_rx_skbuff:
+}
 
-	dma_free_coherent(dev, sizeof(*txbdp) * tx_queue->tx_ring_size +
-			       sizeof(*rxbdp) * rx_queue->rx_ring_size,
-			  tx_queue->tx_bd_base, tx_queue->tx_bd_dma_base);
+/* If there are any tx skbs or rx skbs still around, free them.
+ * Then free tx_skbuff and rx_skbuff */
+static void free_skb_resources(struct gfar_private *priv)
+{
+	struct gfar_priv_tx_q *tx_queue = NULL;
+	struct gfar_priv_rx_q *rx_queue = NULL;
+	int i;
+
+	/* Go through all the buffer descriptors and free their data buffers */
+	for (i = 0; i < priv->num_tx_queues; i++) {
+		tx_queue = priv->tx_queue[i];
+		if(!tx_queue->tx_skbuff)
+			free_skb_tx_queue(tx_queue);
+	}
+
+	for (i = 0; i < priv->num_rx_queues; i++) {
+		rx_queue = priv->rx_queue[i];
+		if(!rx_queue->rx_skbuff)
+			free_skb_rx_queue(rx_queue);
+	}
+
+	dma_free_coherent(&priv->ofdev->dev,
+			sizeof(struct txbd8) * priv->total_tx_ring_size +
+			sizeof(struct rxbd8) * priv->total_rx_ring_size,
+			priv->tx_queue[0]->tx_bd_base,
+			priv->tx_queue[0]->tx_bd_dma_base);
 }
 
 void gfar_start(struct net_device *dev)
@@ -1233,8 +1451,8 @@ void gfar_start(struct net_device *dev)
 	gfar_write(&regs->dmactrl, tempval);
 
 	/* Clear THLT/RHLT, so that the DMA starts polling now */
-	gfar_write(&regs->tstat, TSTAT_CLEAR_THALT);
-	gfar_write(&regs->rstat, RSTAT_CLEAR_RHALT);
+	gfar_write(&regs->tstat, priv->gfargrp.tstat);
+	gfar_write(&regs->rstat, priv->gfargrp.rstat);
 
 	/* Unmask the interrupts we look for */
 	gfar_write(&regs->imask, IMASK_DEFAULT);
@@ -1329,7 +1547,7 @@ static int gfar_enet_open(struct net_device *dev)
 	struct gfar_private *priv = netdev_priv(dev);
 	int err;
 
-	napi_enable(&priv->rx_queue->napi);
+	napi_enable(&priv->gfargrp.napi);
 
 	skb_queue_head_init(&priv->rx_recycle);
 
@@ -1341,17 +1559,17 @@ static int gfar_enet_open(struct net_device *dev)
 	err = init_phy(dev);
 
 	if (err) {
-		napi_disable(&priv->rx_queue->napi);
+		napi_disable(&priv->gfargrp.napi);
 		return err;
 	}
 
 	err = startup_gfar(dev);
 	if (err) {
-		napi_disable(&priv->rx_queue->napi);
+		napi_disable(&priv->gfargrp.napi);
 		return err;
 	}
 
-	netif_start_queue(dev);
+	netif_tx_start_all_queues(dev);
 
 	device_set_wakeup_enable(&dev->dev, priv->wol_en);
 
@@ -1421,16 +1639,20 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	struct gfar_private *priv = netdev_priv(dev);
 	struct gfar_priv_tx_q *tx_queue = NULL;
+	struct netdev_queue *txq;
 	struct gfar __iomem *regs = NULL;
 	struct txfcb *fcb = NULL;
 	struct txbd8 *txbdp, *txbdp_start, *base;
 	u32 lstatus;
-	int i;
+	int i, rq = 0;
 	u32 bufaddr;
 	unsigned long flags;
 	unsigned int nr_frags, length;
 
-	tx_queue = priv->tx_queue;
+
+	rq = skb->queue_mapping;
+	tx_queue = priv->tx_queue[rq];
+	txq = netdev_get_tx_queue(dev, rq);
 	base = tx_queue->tx_bd_base;
 	regs = priv->gfargrp.regs;
 
@@ -1458,7 +1680,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	/* check if there is space to queue this packet */
 	if ((nr_frags+1) > tx_queue->num_txbdfree) {
 		/* no space, stop the queue */
-		netif_stop_queue(dev);
+		netif_tx_stop_queue(txq);
 		dev->stats.tx_fifo_errors++;
 		spin_unlock_irqrestore(&tx_queue->txlock, flags);
 		return NETDEV_TX_BUSY;
@@ -1550,13 +1772,13 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	/* If the next BD still needs to be cleaned up, then the bds
 	   are full.  We need to tell the kernel to stop sending us stuff. */
 	if (!tx_queue->num_txbdfree) {
-		netif_stop_queue(dev);
+		netif_tx_stop_queue(txq);
 
 		dev->stats.tx_fifo_errors++;
 	}
 
 	/* Tell the DMA to go go go */
-	gfar_write(&regs->tstat, TSTAT_CLEAR_THALT);
+	gfar_write(&regs->tstat, TSTAT_CLEAR_THALT >> tx_queue->qindex);
 
 	/* Unlock priv */
 	spin_unlock_irqrestore(&tx_queue->txlock, flags);
@@ -1569,7 +1791,7 @@ static int gfar_close(struct net_device *dev)
 {
 	struct gfar_private *priv = netdev_priv(dev);
 
-	napi_disable(&priv->rx_queue->napi);
+	napi_disable(&priv->gfargrp.napi);
 
 	skb_queue_purge(&priv->rx_recycle);
 	cancel_work_sync(&priv->reset_task);
@@ -1579,7 +1801,7 @@ static int gfar_close(struct net_device *dev)
 	phy_disconnect(priv->phydev);
 	priv->phydev = NULL;
 
-	netif_stop_queue(dev);
+	netif_tx_stop_all_queues(dev);
 
 	return 0;
 }
@@ -1598,14 +1820,13 @@ static void gfar_vlan_rx_register(struct net_device *dev,
 		struct vlan_group *grp)
 {
 	struct gfar_private *priv = netdev_priv(dev);
-	struct gfar_priv_rx_q *rx_queue = NULL;
 	struct gfar __iomem *regs = NULL;
 	unsigned long flags;
 	u32 tempval;
 
-	rx_queue = priv->rx_queue;
 	regs = priv->gfargrp.regs;
-	spin_lock_irqsave(&rx_queue->rxlock, flags);
+	local_irq_save(flags);
+	lock_rx_qs(priv);
 
 	priv->vlgrp = grp;
 
@@ -1639,7 +1860,8 @@ static void gfar_vlan_rx_register(struct net_device *dev,
 
 	gfar_change_mtu(dev, dev->mtu);
 
-	spin_unlock_irqrestore(&rx_queue->rxlock, flags);
+	unlock_rx_qs(priv);
+	local_irq_restore(flags);
 }
 
 static int gfar_change_mtu(struct net_device *dev, int new_mtu)
@@ -1711,10 +1933,10 @@ static void gfar_reset_task(struct work_struct *work)
 	struct net_device *dev = priv->ndev;
 
 	if (dev->flags & IFF_UP) {
-		netif_stop_queue(dev);
+		netif_tx_stop_all_queues(dev);
 		stop_gfar(dev);
 		startup_gfar(dev);
-		netif_start_queue(dev);
+		netif_tx_start_all_queues(dev);
 	}
 
 	netif_tx_schedule_all(dev);
@@ -1745,7 +1967,7 @@ static int gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue)
 	int howmany = 0;
 	u32 lstatus;
 
-	rx_queue = priv->rx_queue;
+	rx_queue = priv->rx_queue[tx_queue->qindex];
 	bdp = tx_queue->dirty_tx;
 	skb_dirtytx = tx_queue->skb_dirtytx;
 
@@ -1798,8 +2020,8 @@ static int gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue)
 	}
 
 	/* If we freed a buffer, we can restart transmission, if necessary */
-	if (netif_queue_stopped(dev) && tx_queue->num_txbdfree)
-		netif_wake_queue(dev);
+	if (__netif_subqueue_stopped(dev, tx_queue->qindex) && tx_queue->num_txbdfree)
+		netif_wake_subqueue(dev, tx_queue->qindex);
 
 	/* Update dirty indicators */
 	tx_queue->skb_dirtytx = skb_dirtytx;
@@ -1812,19 +2034,12 @@ static int gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue)
 
 static void gfar_schedule_cleanup(struct gfar_priv_grp *gfargrp)
 {
-	struct gfar_private *priv = gfargrp->priv;
-	struct gfar_priv_tx_q *tx_queue = NULL;
-	struct gfar_priv_rx_q *rx_queue = NULL;
 	unsigned long flags;
 
-	rx_queue = priv->rx_queue;
-	tx_queue = priv->tx_queue;
-	spin_lock_irqsave(&tx_queue->txlock, flags);
-	spin_lock(&rx_queue->rxlock);
-
-	if (napi_schedule_prep(&rx_queue->napi)) {
+	spin_lock_irqsave(&gfargrp->grplock, flags);
+	if (napi_schedule_prep(&gfargrp->napi)) {
 		gfar_write(&gfargrp->regs->imask, IMASK_RTX_DISABLED);
-		__napi_schedule(&rx_queue->napi);
+		__napi_schedule(&gfargrp->napi);
 	} else {
 		/*
 		 * Clear IEVENT, so interrupts aren't called again
@@ -1832,9 +2047,8 @@ static void gfar_schedule_cleanup(struct gfar_priv_grp *gfargrp)
 		 */
 		gfar_write(&gfargrp->regs->ievent, IEVENT_RTX_MASK);
 	}
+	spin_unlock_irqrestore(&gfargrp->grplock, flags);
 
-	spin_unlock(&rx_queue->rxlock);
-	spin_unlock_irqrestore(&tx_queue->txlock, flags);
 }
 
 /* Interrupt Handler for Transmit complete */
@@ -1952,6 +2166,7 @@ static int gfar_process_frame(struct net_device *dev, struct sk_buff *skb,
 	fcb = (struct rxfcb *)skb->data;
 
 	/* Remove the FCB from the skb */
+	skb_set_queue_mapping(skb, fcb->rq);
 	/* Remove the padded bytes, if there are any */
 	if (amount_pull)
 		skb_pull(skb, amount_pull);
@@ -2072,28 +2287,54 @@ int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue, int rx_work_limit)
 
 static int gfar_poll(struct napi_struct *napi, int budget)
 {
-	struct gfar_priv_rx_q *rx_queue = container_of(napi,
-			struct gfar_priv_rx_q, napi);
-	struct net_device *dev = rx_queue->dev;
-	struct gfar_private *priv = netdev_priv(dev);
+	struct gfar_priv_grp *gfargrp = container_of(napi,
+			struct gfar_priv_grp, napi);
+	struct gfar_private *priv = gfargrp->priv;
 	struct gfar __iomem *regs = priv->gfargrp.regs;
 	struct gfar_priv_tx_q *tx_queue = NULL;
-	int tx_cleaned = 0;
-	int rx_cleaned = 0;
+	struct gfar_priv_rx_q *rx_queue = NULL;
+	int rx_cleaned = 0, budget_per_queue = 0, rx_cleaned_per_queue = 0;
+	int tx_cleaned = 0, i, left_over_budget = budget, serviced_queues = 0;
+	int num_queues = 0;
 	unsigned long flags;
 
+	num_queues = gfargrp->num_rx_queues;
+	budget_per_queue = budget/num_queues;
+
 	/* Clear IEVENT, so interrupts aren't called again
 	 * because of the packets that have already arrived */
 	gfar_write(&regs->ievent, IEVENT_RTX_MASK);
-	tx_queue = priv->tx_queue;
 
-	/* If we fail to get the lock, don't bother with the TX BDs */
-	if (spin_trylock_irqsave(&tx_queue->txlock, flags)) {
-		tx_cleaned = gfar_clean_tx_ring(tx_queue);
-		spin_unlock_irqrestore(&tx_queue->txlock, flags);
-	}
+	while (num_queues && left_over_budget) {
 
-	rx_cleaned = gfar_clean_rx_ring(rx_queue, budget);
+		budget_per_queue = left_over_budget/num_queues;
+		left_over_budget = 0;
+
+		for_each_bit(i, &gfargrp->rx_bit_map, priv->num_rx_queues) {
+			if (test_bit(i, &serviced_queues))
+				continue;
+			rx_queue = priv->rx_queue[i];
+			tx_queue = priv->tx_queue[rx_queue->qindex];
+
+			/* If we fail to get the lock,
+			 * don't bother with the TX BDs */
+			if (spin_trylock_irqsave(&tx_queue->txlock, flags)) {
+				tx_cleaned += gfar_clean_tx_ring(tx_queue);
+				spin_unlock_irqrestore(&tx_queue->txlock,
+							flags);
+			}
+
+			rx_cleaned_per_queue = gfar_clean_rx_ring(rx_queue,
+							budget_per_queue);
+			rx_cleaned += rx_cleaned_per_queue;
+			if(rx_cleaned_per_queue < budget_per_queue) {
+				left_over_budget = left_over_budget +
+					(budget_per_queue - rx_cleaned_per_queue);
+				set_bit(i, &serviced_queues);
+				num_queues--;
+			}
+		}
+	}
 
 	if (tx_cleaned)
 		return budget;
@@ -2102,7 +2343,7 @@ static int gfar_poll(struct napi_struct *napi, int budget)
 		napi_complete(napi);
 
 		/* Clear the halt bit in RSTAT */
-		gfar_write(&regs->rstat, RSTAT_CLEAR_RHALT);
+		gfar_write(&regs->rstat, gfargrp->rstat);
 
 		gfar_write(&regs->imask, IMASK_DEFAULT);
 
@@ -2180,14 +2421,14 @@ static irqreturn_t gfar_interrupt(int irq, void *grp_id)
 static void adjust_link(struct net_device *dev)
 {
 	struct gfar_private *priv = netdev_priv(dev);
-	struct gfar_priv_tx_q *tx_queue = NULL;
 	struct gfar __iomem *regs = priv->gfargrp.regs;
 	unsigned long flags;
 	struct phy_device *phydev = priv->phydev;
 	int new_state = 0;
 
-	tx_queue = priv->tx_queue;
-	spin_lock_irqsave(&tx_queue->txlock, flags);
+	local_irq_save(flags);
+	lock_tx_qs(priv);
+
 	if (phydev->link) {
 		u32 tempval = gfar_read(&regs->maccfg2);
 		u32 ecntrl = gfar_read(&regs->ecntrl);
@@ -2252,8 +2493,8 @@ static void adjust_link(struct net_device *dev)
 
 	if (new_state && netif_msg_link(priv))
 		phy_print_status(phydev);
-
-	spin_unlock_irqrestore(&tx_queue->txlock, flags);
+	unlock_tx_qs(priv);
+	local_irq_restore(flags);
 }
 
 /* Update the hash table based on the current list of multicast
@@ -2457,7 +2698,7 @@ static irqreturn_t gfar_error(int irq, void *grp_id)
 			priv->extra_stats.tx_underrun++;
 
 			/* Reactivate the Tx Queues */
-			gfar_write(&regs->tstat, TSTAT_CLEAR_THALT);
+			gfar_write(&regs->tstat, gfargrp->tstat);
 		}
 		if (netif_msg_tx_err(priv))
 			printk(KERN_DEBUG "%s: Transmit Error\n", dev->name);
diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h
index 79e8471584e..5ae769df1d8 100644
--- a/drivers/net/gianfar.h
+++ b/drivers/net/gianfar.h
@@ -75,6 +75,10 @@
 extern const char gfar_driver_name[];
 extern const char gfar_driver_version[];
 
+/* MAXIMUM NUMBER OF QUEUES SUPPORTED */
+#define MAX_TX_QS	0x8
+#define MAX_RX_QS	0x8
+
 /* These need to be powers of 2 for this driver */
 #define DEFAULT_TX_RING_SIZE	256
 #define DEFAULT_RX_RING_SIZE	256
@@ -172,12 +176,63 @@ extern const char gfar_driver_version[];
 
 #define MINFLR_INIT_SETTINGS	0x00000040
 
+/* Tqueue control */
+#define TQUEUE_EN0		0x00008000
+#define TQUEUE_EN1		0x00004000
+#define TQUEUE_EN2		0x00002000
+#define TQUEUE_EN3		0x00001000
+#define TQUEUE_EN4		0x00000800
+#define TQUEUE_EN5		0x00000400
+#define TQUEUE_EN6		0x00000200
+#define TQUEUE_EN7		0x00000100
+#define TQUEUE_EN_ALL		0x0000FF00
+
+#define TR03WT_WT0_MASK		0xFF000000
+#define TR03WT_WT1_MASK		0x00FF0000
+#define TR03WT_WT2_MASK		0x0000FF00
+#define TR03WT_WT3_MASK		0x000000FF
+
+#define TR47WT_WT4_MASK		0xFF000000
+#define TR47WT_WT5_MASK		0x00FF0000
+#define TR47WT_WT6_MASK		0x0000FF00
+#define TR47WT_WT7_MASK		0x000000FF
+
+/* Rqueue control */
+#define RQUEUE_EX0		0x00800000
+#define RQUEUE_EX1		0x00400000
+#define RQUEUE_EX2		0x00200000
+#define RQUEUE_EX3		0x00100000
+#define RQUEUE_EX4		0x00080000
+#define RQUEUE_EX5		0x00040000
+#define RQUEUE_EX6		0x00020000
+#define RQUEUE_EX7		0x00010000
+#define RQUEUE_EX_ALL		0x00FF0000
+
+#define RQUEUE_EN0		0x00000080
+#define RQUEUE_EN1		0x00000040
+#define RQUEUE_EN2		0x00000020
+#define RQUEUE_EN3		0x00000010
+#define RQUEUE_EN4		0x00000008
+#define RQUEUE_EN5		0x00000004
+#define RQUEUE_EN6		0x00000002
+#define RQUEUE_EN7		0x00000001
+#define RQUEUE_EN_ALL		0x000000FF
+
 /* Init to do tx snooping for buffers and descriptors */
 #define DMACTRL_INIT_SETTINGS   0x000000c3
 #define DMACTRL_GRS             0x00000010
 #define DMACTRL_GTS             0x00000008
 
-#define TSTAT_CLEAR_THALT       0x80000000
+#define TSTAT_CLEAR_THALT_ALL	0xFF000000
+#define TSTAT_CLEAR_THALT	0x80000000
+#define TSTAT_CLEAR_THALT0	0x80000000
+#define TSTAT_CLEAR_THALT1	0x40000000
+#define TSTAT_CLEAR_THALT2	0x20000000
+#define TSTAT_CLEAR_THALT3	0x10000000
+#define TSTAT_CLEAR_THALT4	0x08000000
+#define TSTAT_CLEAR_THALT5	0x04000000
+#define TSTAT_CLEAR_THALT6	0x02000000
+#define TSTAT_CLEAR_THALT7	0x01000000
 
 /* Interrupt coalescing macros */
 #define IC_ICEN			0x80000000
@@ -228,6 +283,13 @@ extern const char gfar_driver_version[];
 #define TCTRL_IPCSEN		0x00004000
 #define TCTRL_TUCSEN		0x00002000
 #define TCTRL_VLINS		0x00001000
+#define TCTRL_THDF		0x00000800
+#define TCTRL_RFCPAUSE		0x00000010
+#define TCTRL_TFCPAUSE		0x00000008
+#define TCTRL_TXSCHED_MASK	0x00000006
+#define TCTRL_TXSCHED_INIT	0x00000000
+#define TCTRL_TXSCHED_PRIO	0x00000002
+#define TCTRL_TXSCHED_WRRS	0x00000004
 #define TCTRL_INIT_CSUM		(TCTRL_TUCSEN | TCTRL_IPCSEN)
 
 #define IEVENT_INIT_CLEAR	0xffffffff
@@ -700,6 +762,8 @@ struct gfar {
 #define FSL_GIANFAR_DEV_HAS_BD_STASHING		0x00000200
 #define FSL_GIANFAR_DEV_HAS_BUF_STASHING	0x00000400
 
+#define DEFAULT_MAPPING 	0xFF
+
 /**
  *	struct gfar_priv_tx_q - per tx queue structure
  *	@txlock: per queue tx spin lock
@@ -743,7 +807,6 @@ struct gfar_priv_tx_q {
 /**
  *	struct gfar_priv_rx_q - per rx queue structure
  *	@rxlock: per queue rx spin lock
- *	@napi: the napi poll function
  *	@rx_skbuff: skb pointers
  *	@skb_currx: currently use skb pointer
  *	@rx_bd_base: First rx buffer descriptor
@@ -757,8 +820,8 @@ struct gfar_priv_tx_q {
 
 struct gfar_priv_rx_q {
 	spinlock_t rxlock __attribute__ ((aligned (SMP_CACHE_BYTES)));
-	struct	napi_struct napi;
 	struct	sk_buff ** rx_skbuff;
+	dma_addr_t rx_bd_dma_base;
 	struct	rxbd8 *rx_bd_base;
 	struct	rxbd8 *cur_rx;
 	struct	net_device *dev;
@@ -772,6 +835,7 @@ struct gfar_priv_rx_q {
 
 /**
  *	struct gfar_priv_grp - per group structure
+ *	@napi: the napi poll function
  *	@priv: back pointer to the priv structure
  *	@regs: the ioremapped register space for this group
  *	@grp_id: group id for this group
@@ -785,8 +849,17 @@ struct gfar_priv_rx_q {
 
 struct gfar_priv_grp {
 	spinlock_t grplock __attribute__ ((aligned (SMP_CACHE_BYTES)));
+	struct	napi_struct napi;
 	struct gfar_private *priv;
 	struct gfar __iomem *regs;
+	unsigned int rx_bit_map;
+	unsigned int tx_bit_map;
+	unsigned int num_tx_queues;
+	unsigned int num_rx_queues;
+	unsigned int rstat;
+	unsigned int tstat;
+	unsigned int imask;
+	unsigned int ievent;
 	unsigned int interruptTransmit;
 	unsigned int interruptReceive;
 	unsigned int interruptError;
@@ -807,13 +880,21 @@ struct gfar_priv_grp {
  */
 struct gfar_private {
 
+	/* Indicates how many tx, rx queues are enabled */
+	unsigned int num_tx_queues;
+	unsigned int num_rx_queues;
+
+	/* The total tx and rx ring size for the enabled queues */
+	unsigned int total_tx_ring_size;
+	unsigned int total_rx_ring_size;
+
 	struct device_node *node;
 	struct net_device *ndev;
 	struct of_device *ofdev;
 
 	struct gfar_priv_grp gfargrp;
-	struct gfar_priv_tx_q *tx_queue;
-	struct gfar_priv_rx_q *rx_queue;
+	struct gfar_priv_tx_q *tx_queue[MAX_TX_QS];
+	struct gfar_priv_rx_q *rx_queue[MAX_RX_QS];
 
 	/* RX per device parameters */
 	unsigned int rx_buffer_size;
@@ -844,6 +925,7 @@ struct gfar_private {
 	unsigned char rx_csum_enable:1,
 		extended_hash:1,
 		bd_stash_en:1,
+		rx_filer_enable:1,
 		wol_en:1; /* Wake-on-LAN enabled */
 	unsigned short padding;
 
@@ -874,6 +956,10 @@ static inline void gfar_write(volatile unsigned __iomem *addr, u32 val)
 	out_be32(addr, val);
 }
 
+extern void lock_rx_qs(struct gfar_private *priv);
+extern void lock_tx_qs(struct gfar_private *priv);
+extern void unlock_rx_qs(struct gfar_private *priv);
+extern void unlock_tx_qs(struct gfar_private *priv);
 extern irqreturn_t gfar_receive(int irq, void *dev_id);
 extern int startup_gfar(struct net_device *dev);
 extern void stop_gfar(struct net_device *dev);
diff --git a/drivers/net/gianfar_ethtool.c b/drivers/net/gianfar_ethtool.c
index c681b414767..d3d26234f19 100644
--- a/drivers/net/gianfar_ethtool.c
+++ b/drivers/net/gianfar_ethtool.c
@@ -204,9 +204,11 @@ static int gfar_gsettings(struct net_device *dev, struct ethtool_cmd *cmd)
 
 	if (NULL == phydev)
 		return -ENODEV;
-	tx_queue = priv->tx_queue;
-	rx_queue = priv->rx_queue;
+	tx_queue = priv->tx_queue[0];
+	rx_queue = priv->rx_queue[0];
 
+	/* etsec-1.7 and older versions have only one txic
+	 * and rxic regs although they support multiple queues */
 	cmd->maxtxpkt = get_icft_value(tx_queue->txic);
 	cmd->maxrxpkt = get_icft_value(rx_queue->rxic);
 
@@ -298,8 +300,8 @@ static int gfar_gcoalesce(struct net_device *dev, struct ethtool_coalesce *cvals
 	if (NULL == priv->phydev)
 		return -ENODEV;
 
-	rx_queue = priv->rx_queue;
-	tx_queue = priv->tx_queue;
+	rx_queue = priv->rx_queue[0];
+	tx_queue = priv->tx_queue[0];
 
 	rxtime  = get_ictt_value(rx_queue->rxic);
 	rxcount = get_icft_value(rx_queue->rxic);
@@ -357,8 +359,8 @@ static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals
 	if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE))
 		return -EOPNOTSUPP;
 
-	tx_queue = priv->tx_queue;
-	rx_queue = priv->rx_queue;
+	tx_queue = priv->tx_queue[0];
+	rx_queue = priv->rx_queue[0];
 
 	/* Set up rx coalescing */
 	if ((cvals->rx_coalesce_usecs == 0) ||
@@ -429,8 +431,8 @@ static void gfar_gringparam(struct net_device *dev, struct ethtool_ringparam *rv
 	struct gfar_priv_tx_q *tx_queue = NULL;
 	struct gfar_priv_rx_q *rx_queue = NULL;
 
-	tx_queue = priv->tx_queue;
-	rx_queue = priv->rx_queue;
+	tx_queue = priv->tx_queue[0];
+	rx_queue = priv->rx_queue[0];
 
 	rvals->rx_max_pending = GFAR_RX_MAX_RING_SIZE;
 	rvals->rx_mini_max_pending = GFAR_RX_MAX_RING_SIZE;
@@ -453,9 +455,7 @@ static void gfar_gringparam(struct net_device *dev, struct ethtool_ringparam *rv
 static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rvals)
 {
 	struct gfar_private *priv = netdev_priv(dev);
-	struct gfar_priv_tx_q *tx_queue = NULL;
-	struct gfar_priv_rx_q *rx_queue = NULL;
-	int err = 0;
+	int err = 0, i = 0;
 
 	if (rvals->rx_pending > GFAR_RX_MAX_RING_SIZE)
 		return -EINVAL;
@@ -475,37 +475,41 @@ static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rva
 		return -EINVAL;
 	}
 
-	tx_queue = priv->tx_queue;
-	rx_queue = priv->rx_queue;
 
 	if (dev->flags & IFF_UP) {
 		unsigned long flags;
 
 		/* Halt TX and RX, and process the frames which
 		 * have already been received */
-		spin_lock_irqsave(&tx_queue->txlock, flags);
-		spin_lock(&rx_queue->rxlock);
+		local_irq_save(flags);
+		lock_tx_qs(priv);
+		lock_rx_qs(priv);
 
 		gfar_halt(dev);
 
-		spin_unlock(&rx_queue->rxlock);
-		spin_unlock_irqrestore(&tx_queue->txlock, flags);
+		unlock_rx_qs(priv);
+		unlock_tx_qs(priv);
+		local_irq_restore(flags);
 
-		gfar_clean_rx_ring(rx_queue, rx_queue->rx_ring_size);
+		for (i = 0; i < priv->num_rx_queues; i++)
+			gfar_clean_rx_ring(priv->rx_queue[i],
+					priv->rx_queue[i]->rx_ring_size);
 
 		/* Now we take down the rings to rebuild them */
 		stop_gfar(dev);
 	}
 
 	/* Change the size */
-	rx_queue->rx_ring_size = rvals->rx_pending;
-	tx_queue->tx_ring_size = rvals->tx_pending;
-	tx_queue->num_txbdfree = tx_queue->tx_ring_size;
+	for (i = 0; i < priv->num_rx_queues; i++) {
+		priv->rx_queue[i]->rx_ring_size = rvals->rx_pending;
+		priv->tx_queue[i]->tx_ring_size = rvals->tx_pending;
+		priv->tx_queue[i]->num_txbdfree = priv->tx_queue[i]->tx_ring_size;
+	}
 
 	/* Rebuild the rings with the new size */
 	if (dev->flags & IFF_UP) {
 		err = startup_gfar(dev);
-		netif_wake_queue(dev);
+		netif_tx_wake_all_queues(dev);
 	}
 	return err;
 }
@@ -513,29 +517,29 @@ static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rva
 static int gfar_set_rx_csum(struct net_device *dev, uint32_t data)
 {
 	struct gfar_private *priv = netdev_priv(dev);
-	struct gfar_priv_rx_q *rx_queue = NULL;
-	struct gfar_priv_tx_q *tx_queue = NULL;
 	unsigned long flags;
-	int err = 0;
+	int err = 0, i = 0;
 
 	if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_CSUM))
 		return -EOPNOTSUPP;
 
-	tx_queue = priv->tx_queue;
-	rx_queue = priv->rx_queue;
 
 	if (dev->flags & IFF_UP) {
 		/* Halt TX and RX, and process the frames which
 		 * have already been received */
-		spin_lock_irqsave(&tx_queue->txlock, flags);
-		spin_lock(&rx_queue->rxlock);
+		local_irq_save(flags);
+		lock_tx_qs(priv);
+		lock_rx_qs(priv);
 
 		gfar_halt(dev);
 
-		spin_unlock(&rx_queue->rxlock);
-		spin_unlock_irqrestore(&tx_queue->txlock, flags);
+		unlock_tx_qs(priv);
+		unlock_rx_qs(priv);
+		local_irq_save(flags);
 
-		gfar_clean_rx_ring(rx_queue, rx_queue->rx_ring_size);
+		for (i = 0; i < priv->num_rx_queues; i++)
+			gfar_clean_rx_ring(priv->rx_queue[i],
+					priv->rx_queue[i]->rx_ring_size);
 
 		/* Now we take down the rings to rebuild them */
 		stop_gfar(dev);
@@ -547,7 +551,7 @@ static int gfar_set_rx_csum(struct net_device *dev, uint32_t data)
 
 	if (dev->flags & IFF_UP) {
 		err = startup_gfar(dev);
-		netif_wake_queue(dev);
+		netif_tx_wake_all_queues(dev);
 	}
 	return err;
 }
diff --git a/drivers/net/gianfar_sysfs.c b/drivers/net/gianfar_sysfs.c
index adea11ea403..4b726f61314 100644
--- a/drivers/net/gianfar_sysfs.c
+++ b/drivers/net/gianfar_sysfs.c
@@ -51,7 +51,6 @@ static ssize_t gfar_set_bd_stash(struct device *dev,
 {
 	struct gfar_private *priv = netdev_priv(to_net_dev(dev));
 	struct gfar __iomem *regs = priv->gfargrp.regs;
-	struct gfar_priv_rx_q *rx_queue = NULL;
 	int new_setting = 0;
 	u32 temp;
 	unsigned long flags;
@@ -59,7 +58,6 @@ static ssize_t gfar_set_bd_stash(struct device *dev,
 	if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_BD_STASHING))
 		return count;
 
-	rx_queue = priv->rx_queue;
 
 	/* Find out the new setting */
 	if (!strncmp("on", buf, count - 1) || !strncmp("1", buf, count - 1))
@@ -70,7 +68,9 @@ static ssize_t gfar_set_bd_stash(struct device *dev,
 	else
 		return count;
 
-	spin_lock_irqsave(&rx_queue->rxlock, flags);
+
+	local_irq_save(flags);
+	lock_rx_qs(priv);
 
 	/* Set the new stashing value */
 	priv->bd_stash_en = new_setting;
@@ -84,7 +84,8 @@ static ssize_t gfar_set_bd_stash(struct device *dev,
 
 	gfar_write(&regs->attr, temp);
 
-	spin_unlock_irqrestore(&rx_queue->rxlock, flags);
+	unlock_rx_qs(priv);
+	local_irq_restore(flags);
 
 	return count;
 }
@@ -105,7 +106,6 @@ static ssize_t gfar_set_rx_stash_size(struct device *dev,
 {
 	struct gfar_private *priv = netdev_priv(to_net_dev(dev));
 	struct gfar __iomem *regs = priv->gfargrp.regs;
-	struct gfar_priv_rx_q *rx_queue = NULL;
 	unsigned int length = simple_strtoul(buf, NULL, 0);
 	u32 temp;
 	unsigned long flags;
@@ -113,9 +113,9 @@ static ssize_t gfar_set_rx_stash_size(struct device *dev,
 	if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_BUF_STASHING))
 		return count;
 
-	rx_queue = priv->rx_queue;
+	local_irq_save(flags);
+	lock_rx_qs(priv);
 
-	spin_lock_irqsave(&rx_queue->rxlock, flags);
 	if (length > priv->rx_buffer_size)
 		goto out;
 
@@ -140,7 +140,8 @@ static ssize_t gfar_set_rx_stash_size(struct device *dev,
 	gfar_write(&regs->attr, temp);
 
 out:
-	spin_unlock_irqrestore(&rx_queue->rxlock, flags);
+	unlock_rx_qs(priv);
+	local_irq_restore(flags);
 
 	return count;
 }
@@ -164,7 +165,6 @@ static ssize_t gfar_set_rx_stash_index(struct device *dev,
 {
 	struct gfar_private *priv = netdev_priv(to_net_dev(dev));
 	struct gfar __iomem *regs = priv->gfargrp.regs;
-	struct gfar_priv_rx_q *rx_queue = NULL;
 	unsigned short index = simple_strtoul(buf, NULL, 0);
 	u32 temp;
 	unsigned long flags;
@@ -172,9 +172,9 @@ static ssize_t gfar_set_rx_stash_index(struct device *dev,
 	if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_BUF_STASHING))
 		return count;
 
-	rx_queue = priv->rx_queue;
+	local_irq_save(flags);
+	lock_rx_qs(priv);
 
-	spin_lock_irqsave(&rx_queue->rxlock, flags);
 	if (index > priv->rx_stash_size)
 		goto out;
 
@@ -189,7 +189,8 @@ static ssize_t gfar_set_rx_stash_index(struct device *dev,
 	gfar_write(&regs->attreli, flags);
 
 out:
-	spin_unlock_irqrestore(&rx_queue->rxlock, flags);
+	unlock_rx_qs(priv);
+	local_irq_restore(flags);
 
 	return count;
 }
@@ -212,7 +213,6 @@ static ssize_t gfar_set_fifo_threshold(struct device *dev,
 {
 	struct gfar_private *priv = netdev_priv(to_net_dev(dev));
 	struct gfar __iomem *regs = priv->gfargrp.regs;
-	struct gfar_priv_tx_q *tx_queue = NULL;
 	unsigned int length = simple_strtoul(buf, NULL, 0);
 	u32 temp;
 	unsigned long flags;
@@ -220,9 +220,8 @@ static ssize_t gfar_set_fifo_threshold(struct device *dev,
 	if (length > GFAR_MAX_FIFO_THRESHOLD)
 		return count;
 
-	tx_queue = priv->tx_queue;
-
-	spin_lock_irqsave(&tx_queue->txlock, flags);
+	local_irq_save(flags);
+	lock_tx_qs(priv);
 
 	priv->fifo_threshold = length;
 
@@ -231,7 +230,8 @@ static ssize_t gfar_set_fifo_threshold(struct device *dev,
 	temp |= length;
 	gfar_write(&regs->fifo_tx_thr, temp);
 
-	spin_unlock_irqrestore(&tx_queue->txlock, flags);
+	unlock_tx_qs(priv);
+	local_irq_restore(flags);
 
 	return count;
 }
@@ -253,7 +253,6 @@ static ssize_t gfar_set_fifo_starve(struct device *dev,
 {
 	struct gfar_private *priv = netdev_priv(to_net_dev(dev));
 	struct gfar __iomem *regs = priv->gfargrp.regs;
-	struct gfar_priv_tx_q *tx_queue = NULL;
 	unsigned int num = simple_strtoul(buf, NULL, 0);
 	u32 temp;
 	unsigned long flags;
@@ -261,8 +260,8 @@ static ssize_t gfar_set_fifo_starve(struct device *dev,
 	if (num > GFAR_MAX_FIFO_STARVE)
 		return count;
 
-	tx_queue = priv->tx_queue;
-	spin_lock_irqsave(&tx_queue->txlock, flags);
+	local_irq_save(flags);
+	lock_tx_qs(priv);
 
 	priv->fifo_starve = num;
 
@@ -271,7 +270,8 @@ static ssize_t gfar_set_fifo_starve(struct device *dev,
 	temp |= num;
 	gfar_write(&regs->fifo_tx_starve, temp);
 
-	spin_unlock_irqrestore(&tx_queue->txlock, flags);
+	unlock_tx_qs(priv);
+	local_irq_restore(flags);
 
 	return count;
 }
@@ -294,7 +294,6 @@ static ssize_t gfar_set_fifo_starve_off(struct device *dev,
 {
 	struct gfar_private *priv = netdev_priv(to_net_dev(dev));
 	struct gfar __iomem *regs = priv->gfargrp.regs;
-	struct gfar_priv_tx_q *tx_queue = NULL;
 	unsigned int num = simple_strtoul(buf, NULL, 0);
 	u32 temp;
 	unsigned long flags;
@@ -302,8 +301,8 @@ static ssize_t gfar_set_fifo_starve_off(struct device *dev,
 	if (num > GFAR_MAX_FIFO_STARVE_OFF)
 		return count;
 
-	tx_queue = priv->tx_queue;
-	spin_lock_irqsave(&tx_queue->txlock, flags);
+	local_irq_save(flags);
+	lock_tx_qs(priv);
 
 	priv->fifo_starve_off = num;
 
@@ -312,7 +311,8 @@ static ssize_t gfar_set_fifo_starve_off(struct device *dev,
 	temp |= num;
 	gfar_write(&regs->fifo_tx_starve_shutoff, temp);
 
-	spin_unlock_irqrestore(&tx_queue->txlock, flags);
+	unlock_tx_qs(priv);
+	local_irq_restore(flags);
 
 	return count;
 }
-- 
GitLab


From 1d2397d742b7a2b39b2f09dd9da3b9d1463f55e9 Mon Sep 17 00:00:00 2001
From: Sandeep Gopalpet <Sandeep.Kumar@freescale.com>
Date: Mon, 2 Nov 2009 07:03:22 +0000
Subject: [PATCH 0856/1815] fsl_pq_mdio: Add Suport for etsec2.0 devices.

This patch adds mdio support for etsec2.0 devices.

Modified the fsl_pq_mdio structure to include the new mdio
members.

Signed-off-by: Sandeep Gopalpet <Sandeep.Kumar@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/fsl_pq_mdio.c | 59 +++++++++++++++++++++++++++++++--------
 drivers/net/fsl_pq_mdio.h | 11 ++++++--
 2 files changed, 57 insertions(+), 13 deletions(-)

diff --git a/drivers/net/fsl_pq_mdio.c b/drivers/net/fsl_pq_mdio.c
index 6ac46486697..4065b7c01ec 100644
--- a/drivers/net/fsl_pq_mdio.c
+++ b/drivers/net/fsl_pq_mdio.c
@@ -3,8 +3,9 @@
  * Provides Bus interface for MIIM regs
  *
  * Author: Andy Fleming <afleming@freescale.com>
+ * Modifier: Sandeep Gopalpet <sandeep.kumar@freescale.com>
  *
- * Copyright (c) 2002-2004,2008 Freescale Semiconductor, Inc.
+ * Copyright 2002-2004, 2008-2009 Freescale Semiconductor, Inc.
  *
  * Based on gianfar_mii.c and ucc_geth_mii.c (Li Yang, Kim Phillips)
  *
@@ -189,19 +190,29 @@ static int fsl_pq_mdio_find_free(struct mii_bus *new_bus)
 
 
 #if defined(CONFIG_GIANFAR) || defined(CONFIG_GIANFAR_MODULE)
-static u32 __iomem *get_gfar_tbipa(struct fsl_pq_mdio __iomem *regs)
+static u32 __iomem *get_gfar_tbipa(struct fsl_pq_mdio __iomem *regs, struct device_node *np)
 {
 	struct gfar __iomem *enet_regs;
+	u32 __iomem *ioremap_tbipa;
+	u64 addr, size;
 
 	/*
 	 * This is mildly evil, but so is our hardware for doing this.
 	 * Also, we have to cast back to struct gfar because of
 	 * definition weirdness done in gianfar.h.
 	 */
-	enet_regs = (struct gfar __iomem *)
-		((char __iomem *)regs - offsetof(struct gfar, gfar_mii_regs));
-
-	return &enet_regs->tbipa;
+	if(of_device_is_compatible(np, "fsl,gianfar-mdio") ||
+		of_device_is_compatible(np, "fsl,gianfar-tbi") ||
+		of_device_is_compatible(np, "gianfar")) {
+		enet_regs = (struct gfar __iomem *)regs;
+		return &enet_regs->tbipa;
+	} else if (of_device_is_compatible(np, "fsl,etsec2-mdio") ||
+			of_device_is_compatible(np, "fsl,etsec2-tbi")) {
+		addr = of_translate_address(np, of_get_address(np, 1, &size, NULL));
+		ioremap_tbipa = ioremap(addr, size);
+		return ioremap_tbipa;
+	} else
+		return NULL;
 }
 #endif
 
@@ -250,11 +261,11 @@ static int fsl_pq_mdio_probe(struct of_device *ofdev,
 {
 	struct device_node *np = ofdev->node;
 	struct device_node *tbi;
-	struct fsl_pq_mdio __iomem *regs;
+	struct fsl_pq_mdio __iomem *regs = NULL;
 	u32 __iomem *tbipa;
 	struct mii_bus *new_bus;
 	int tbiaddr = -1;
-	u64 addr, size;
+	u64 addr = 0, size = 0, ioremap_miimcfg = 0;
 	int err = 0;
 
 	new_bus = mdiobus_alloc();
@@ -268,8 +279,22 @@ static int fsl_pq_mdio_probe(struct of_device *ofdev,
 	fsl_pq_mdio_bus_name(new_bus->id, np);
 
 	/* Set the PHY base address */
-	addr = of_translate_address(np, of_get_address(np, 0, &size, NULL));
-	regs = ioremap(addr, size);
+	if (of_device_is_compatible(np,"fsl,gianfar-mdio") ||
+		of_device_is_compatible(np, "fsl,gianfar-tbi") ||
+		of_device_is_compatible(np, "fsl,ucc-mdio") ||
+		of_device_is_compatible(np,"ucc_geth_phy" )) {
+		addr = of_translate_address(np, of_get_address(np, 0, &size, NULL));
+		ioremap_miimcfg =  container_of(addr, struct fsl_pq_mdio, miimcfg);
+		regs = ioremap(ioremap_miimcfg, size +
+				offsetof(struct fsl_pq_mdio, miimcfg));
+	} else if (of_device_is_compatible(np,"fsl,etsec2-mdio") ||
+			of_device_is_compatible(np, "fsl,etsec2-tbi")) {
+		addr = of_translate_address(np, of_get_address(np, 0, &size, NULL));
+		regs = ioremap(addr, size);
+	} else {
+		err = -EINVAL;
+		goto err_free_bus;
+	}
 
 	if (NULL == regs) {
 		err = -ENOMEM;
@@ -290,9 +315,15 @@ static int fsl_pq_mdio_probe(struct of_device *ofdev,
 
 	if (of_device_is_compatible(np, "fsl,gianfar-mdio") ||
 			of_device_is_compatible(np, "fsl,gianfar-tbi") ||
+			of_device_is_compatible(np, "fsl,etsec2-mdio") ||
+			of_device_is_compatible(np, "fsl,etsec2-tbi") ||
 			of_device_is_compatible(np, "gianfar")) {
 #if defined(CONFIG_GIANFAR) || defined(CONFIG_GIANFAR_MODULE)
-		tbipa = get_gfar_tbipa(regs);
+		tbipa = get_gfar_tbipa(regs, np);
+		if (!tbipa) {
+			err = -EINVAL;
+			goto err_free_irqs;
+		}
 #else
 		err = -ENODEV;
 		goto err_free_irqs;
@@ -405,6 +436,12 @@ static struct of_device_id fsl_pq_mdio_match[] = {
 	{
 		.compatible = "fsl,gianfar-mdio",
 	},
+	{
+		.compatible = "fsl,etsec2-tbi",
+	},
+	{
+		.compatible = "fsl,etsec2-mdio",
+	},
 	{},
 };
 MODULE_DEVICE_TABLE(of, fsl_pq_mdio_match);
diff --git a/drivers/net/fsl_pq_mdio.h b/drivers/net/fsl_pq_mdio.h
index 36dad527410..1f7d865cedb 100644
--- a/drivers/net/fsl_pq_mdio.h
+++ b/drivers/net/fsl_pq_mdio.h
@@ -3,8 +3,9 @@
  * Driver for the MDIO bus controller on Freescale PowerQUICC processors
  *
  * Author: Andy Fleming
+ * Modifier: Sandeep Gopalpet
  *
- * Copyright (c) 2002-2004,2008 Freescale Semiconductor, Inc.
+ * Copyright 2002-2004, 2008-2009 Freescale Semiconductor, Inc.
  *
  * This program is free software; you can redistribute  it and/or modify it
  * under  the terms of  the GNU General  Public License as published by the
@@ -23,6 +24,12 @@
 #define MII_READ_COMMAND       0x00000001
 
 struct fsl_pq_mdio {
+	u8 res1[16];
+	u32 ieventm;	/* MDIO Interrupt event register (for etsec2)*/
+	u32 imaskm;	/* MDIO Interrupt mask register (for etsec2)*/
+	u8 res2[4];
+	u32 emapm;	/* MDIO Event mapping register (for etsec2)*/
+	u8 res3[1280];
 	u32 miimcfg;		/* MII management configuration reg */
 	u32 miimcom;		/* MII management command reg */
 	u32 miimadd;		/* MII management address reg */
@@ -31,9 +38,9 @@ struct fsl_pq_mdio {
 	u32 miimind;		/* MII management indication reg */
 	u8 reserved[28];	/* Space holder */
 	u32 utbipar;		/* TBI phy address reg (only on UCC) */
+	u8 res4[2728];
 } __attribute__ ((packed));
 
-
 int fsl_pq_mdio_read(struct mii_bus *bus, int mii_id, int regnum);
 int fsl_pq_mdio_write(struct mii_bus *bus, int mii_id, int regnum, u16 value);
 int fsl_pq_local_mdio_write(struct fsl_pq_mdio __iomem *regs, int mii_id,
-- 
GitLab


From 2e0246c72fa2e2b61865a2d5aaff1cc9155b9447 Mon Sep 17 00:00:00 2001
From: Sandeep Gopalpet <Sandeep.Kumar@freescale.com>
Date: Mon, 2 Nov 2009 07:03:28 +0000
Subject: [PATCH 0857/1815] gianfar: Add support etsec2.0 registers.

This patch adds support for etsec2.0 regsiters

Signed-off-by: Sandeep Gopalpet <Sandeep.Kumar@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/gianfar.h | 55 ++++++++++++++++++++++++++++++++++---------
 1 file changed, 44 insertions(+), 11 deletions(-)

diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h
index 5ae769df1d8..08518c20503 100644
--- a/drivers/net/gianfar.h
+++ b/drivers/net/gianfar.h
@@ -566,25 +566,32 @@ struct gfar_stats {
 
 struct gfar {
 	u32	tsec_id;	/* 0x.000 - Controller ID register */
-	u8	res1[12];
+	u32	tsec_id2;	/* 0x.004 - Controller ID2 register */
+	u8	res1[8];
 	u32	ievent;		/* 0x.010 - Interrupt Event Register */
 	u32	imask;		/* 0x.014 - Interrupt Mask Register */
 	u32	edis;		/* 0x.018 - Error Disabled Register */
-	u8	res2[4];
+	u32	emapg;		/* 0x.01c - Group Error mapping register */
 	u32	ecntrl;		/* 0x.020 - Ethernet Control Register */
 	u32	minflr;		/* 0x.024 - Minimum Frame Length Register */
 	u32	ptv;		/* 0x.028 - Pause Time Value Register */
 	u32	dmactrl;	/* 0x.02c - DMA Control Register */
 	u32	tbipa;		/* 0x.030 - TBI PHY Address Register */
-	u8	res3[88];
+	u8	res2[28];
+	u32	fifo_rx_pause;	/* 0x.050 - FIFO receive pause start threshold
+					register */
+	u32	fifo_rx_pause_shutoff;	/* x.054 - FIFO receive starve shutoff
+						register */
+	u32	fifo_rx_alarm;	/* 0x.058 - FIFO receive alarm start threshold
+						register */
+	u32	fifo_rx_alarm_shutoff;	/*0x.05c - FIFO receive alarm  starve
+						shutoff register */
+	u8	res3[44];
 	u32	fifo_tx_thr;	/* 0x.08c - FIFO transmit threshold register */
 	u8	res4[8];
 	u32	fifo_tx_starve;	/* 0x.098 - FIFO transmit starve register */
 	u32	fifo_tx_starve_shutoff;	/* 0x.09c - FIFO transmit starve shutoff register */
-	u8	res5[4];
-	u32	fifo_rx_pause;	/* 0x.0a4 - FIFO receive pause threshold register */
-	u32	fifo_rx_alarm;	/* 0x.0a8 - FIFO receive alarm threshold register */
-	u8	res6[84];
+	u8	res5[96];
 	u32	tctrl;		/* 0x.100 - Transmit Control Register */
 	u32	tstat;		/* 0x.104 - Transmit Status Register */
 	u32	dfvlan;		/* 0x.108 - Default VLAN Control word */
@@ -635,7 +642,11 @@ struct gfar {
 	u8	res12[8];
 	u32	rxic;		/* 0x.310 - Receive Interrupt Coalescing Configuration Register */
 	u32	rqueue;		/* 0x.314 - Receive queue control register */
-	u8	res13[24];
+	u32	rir0;		/* 0x.318 - Ring mapping register 0 */
+	u32	rir1;		/* 0x.31c - Ring mapping register 1 */
+	u32	rir2;		/* 0x.320 - Ring mapping register 2 */
+	u32	rir3;		/* 0x.324 - Ring mapping register 3 */
+	u8	res13[8];
 	u32	rbifx;		/* 0x.330 - Receive bit field extract control register */
 	u32	rqfar;		/* 0x.334 - Receive queue filing table address register */
 	u32	rqfcr;		/* 0x.338 - Receive queue filing table control register */
@@ -684,7 +695,7 @@ struct gfar {
 	u32	maxfrm;		/* 0x.510 - Maximum Frame Length Register */
 	u8	res18[12];
 	u8	gfar_mii_regs[24];	/* See gianfar_phy.h */
-	u8	res19[4];
+	u32	ifctrl;		/* 0x.538 - Interface control register */
 	u32	ifstat;		/* 0x.53c - Interface Status Register */
 	u32	macstnaddr1;	/* 0x.540 - Station Address Part 1 Register */
 	u32	macstnaddr2;	/* 0x.544 - Station Address Part 2 Register */
@@ -745,8 +756,30 @@ struct gfar {
 	u8	res23c[248];
 	u32	attr;		/* 0x.bf8 - Attributes Register */
 	u32	attreli;	/* 0x.bfc - Attributes Extract Length and Extract Index Register */
-	u8	res24[1024];
-
+	u8	res24[688];
+	u32	isrg0;		/* 0x.eb0 - Interrupt steering group 0 register */
+	u32	isrg1;		/* 0x.eb4 - Interrupt steering group 1 register */
+	u32	isrg2;		/* 0x.eb8 - Interrupt steering group 2 register */
+	u32	isrg3;		/* 0x.ebc - Interrupt steering group 3 register */
+	u8	res25[16];
+	u32	rxic0;		/* 0x.ed0 - Ring 0 Rx interrupt coalescing */
+	u32	rxic1;		/* 0x.ed4 - Ring 1 Rx interrupt coalescing */
+	u32	rxic2;		/* 0x.ed8 - Ring 2 Rx interrupt coalescing */
+	u32	rxic3;		/* 0x.edc - Ring 3 Rx interrupt coalescing */
+	u32	rxic4;		/* 0x.ee0 - Ring 4 Rx interrupt coalescing */
+	u32	rxic5;		/* 0x.ee4 - Ring 5 Rx interrupt coalescing */
+	u32	rxic6;		/* 0x.ee8 - Ring 6 Rx interrupt coalescing */
+	u32	rxic7;		/* 0x.eec - Ring 7 Rx interrupt coalescing */
+	u8	res26[32];
+	u32	txic0;		/* 0x.f10 - Ring 0 Tx interrupt coalescing */
+	u32	txic1;		/* 0x.f14 - Ring 1 Tx interrupt coalescing */
+	u32	txic2;		/* 0x.f18 - Ring 2 Tx interrupt coalescing */
+	u32	txic3;		/* 0x.f1c - Ring 3 Tx interrupt coalescing */
+	u32	txic4;		/* 0x.f20 - Ring 4 Tx interrupt coalescing */
+	u32	txic5;		/* 0x.f24 - Ring 5 Tx interrupt coalescing */
+	u32	txic6;		/* 0x.f28 - Ring 6 Tx interrupt coalescing */
+	u32	txic7;		/* 0x.f2c - Ring 7 Tx interrupt coalescing */
+	u8	res27[208];
 };
 
 /* Flags related to gianfar device features */
-- 
GitLab


From 46ceb60ca80fa07703bc6eb8f4651f900dff5a82 Mon Sep 17 00:00:00 2001
From: Sandeep Gopalpet <Sandeep.Kumar@freescale.com>
Date: Mon, 2 Nov 2009 07:03:34 +0000
Subject: [PATCH 0858/1815] gianfar: Add Multiple group Support

This patch introduces multiple group support for etsec2.0
devices.

Multiple group support is provided by mapping the set of enabled
queues to different groups and then programming the per group
regsiters imask, ievent, rstat, tstat.

The queues corresponding to a group are indicated by programming
isrg (interrupt steering) registers.

Signed-off-by: Sandeep Gopalpet <Sandeep.Kumar@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/gianfar.c         | 532 +++++++++++++++++++++++-----------
 drivers/net/gianfar.h         |  29 +-
 drivers/net/gianfar_ethtool.c |  58 ++--
 drivers/net/gianfar_sysfs.c   |  12 +-
 4 files changed, 422 insertions(+), 209 deletions(-)

diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index aa258e89926..dc9fba09b17 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -326,7 +326,7 @@ cleanup:
 
 static void gfar_init_tx_rx_base(struct gfar_private *priv)
 {
-	struct gfar __iomem *regs = priv->gfargrp.regs;
+	struct gfar __iomem *regs = priv->gfargrp[0].regs;
 	u32 *baddr;
 	int i;
 
@@ -346,7 +346,7 @@ static void gfar_init_tx_rx_base(struct gfar_private *priv)
 static void gfar_init_mac(struct net_device *ndev)
 {
 	struct gfar_private *priv = netdev_priv(ndev);
-	struct gfar __iomem *regs = priv->gfargrp.regs;
+	struct gfar __iomem *regs = priv->gfargrp[0].regs;
 	u32 rctrl = 0;
 	u32 tctrl = 0;
 	u32 attrs = 0;
@@ -355,13 +355,7 @@ static void gfar_init_mac(struct net_device *ndev)
 	gfar_init_tx_rx_base(priv);
 
 	/* Configure the coalescing support */
-	gfar_write(&regs->txic, 0);
-	if (priv->tx_queue[0]->txcoalescing)
-		gfar_write(&regs->txic, priv->tx_queue[0]->txic);
-
-	gfar_write(&regs->rxic, 0);
-	if (priv->rx_queue[0]->rxcoalescing)
-		gfar_write(&regs->rxic, priv->rx_queue[0]->rxic);
+	gfar_configure_coalescing(priv, 0xFF, 0xFF);
 
 	if (priv->rx_filer_enable)
 		rctrl |= RCTRL_FILREN;
@@ -495,16 +489,91 @@ static void free_rx_pointers(struct gfar_private *priv)
 		kfree(priv->rx_queue[i]);
 }
 
+static void unmap_group_regs(struct gfar_private *priv)
+{
+	int i = 0;
+
+	for (i = 0; i < MAXGROUPS; i++)
+		if (priv->gfargrp[i].regs)
+			iounmap(priv->gfargrp[i].regs);
+}
+
+static void disable_napi(struct gfar_private *priv)
+{
+	int i = 0;
+
+	for (i = 0; i < priv->num_grps; i++)
+		napi_disable(&priv->gfargrp[i].napi);
+}
+
+static void enable_napi(struct gfar_private *priv)
+{
+	int i = 0;
+
+	for (i = 0; i < priv->num_grps; i++)
+		napi_enable(&priv->gfargrp[i].napi);
+}
+
+static int gfar_parse_group(struct device_node *np,
+		struct gfar_private *priv, const char *model)
+{
+	u32 *queue_mask;
+	u64 addr, size;
+
+	addr = of_translate_address(np,
+			of_get_address(np, 0, &size, NULL));
+	priv->gfargrp[priv->num_grps].regs = ioremap(addr, size);
+
+	if (!priv->gfargrp[priv->num_grps].regs)
+		return -ENOMEM;
+
+	priv->gfargrp[priv->num_grps].interruptTransmit =
+			irq_of_parse_and_map(np, 0);
+
+	/* If we aren't the FEC we have multiple interrupts */
+	if (model && strcasecmp(model, "FEC")) {
+		priv->gfargrp[priv->num_grps].interruptReceive =
+			irq_of_parse_and_map(np, 1);
+		priv->gfargrp[priv->num_grps].interruptError =
+			irq_of_parse_and_map(np,2);
+		if (priv->gfargrp[priv->num_grps].interruptTransmit < 0 ||
+			priv->gfargrp[priv->num_grps].interruptReceive < 0 ||
+			priv->gfargrp[priv->num_grps].interruptError < 0) {
+			return -EINVAL;
+		}
+	}
+
+	priv->gfargrp[priv->num_grps].grp_id = priv->num_grps;
+	priv->gfargrp[priv->num_grps].priv = priv;
+	spin_lock_init(&priv->gfargrp[priv->num_grps].grplock);
+	if(priv->mode == MQ_MG_MODE) {
+		queue_mask = (u32 *)of_get_property(np,
+					"fsl,rx-bit-map", NULL);
+		priv->gfargrp[priv->num_grps].rx_bit_map =
+			queue_mask ?  *queue_mask :(DEFAULT_MAPPING >> priv->num_grps);
+		queue_mask = (u32 *)of_get_property(np,
+					"fsl,tx-bit-map", NULL);
+		priv->gfargrp[priv->num_grps].tx_bit_map =
+			queue_mask ? *queue_mask : (DEFAULT_MAPPING >> priv->num_grps);
+	} else {
+		priv->gfargrp[priv->num_grps].rx_bit_map = 0xFF;
+		priv->gfargrp[priv->num_grps].tx_bit_map = 0xFF;
+	}
+	priv->num_grps++;
+
+	return 0;
+}
+
 static int gfar_of_init(struct of_device *ofdev, struct net_device **pdev)
 {
 	const char *model;
 	const char *ctype;
 	const void *mac_addr;
-	u64 addr, size;
 	int err = 0, i;
 	struct net_device *dev = NULL;
 	struct gfar_private *priv = NULL;
 	struct device_node *np = ofdev->node;
+	struct device_node *child = NULL;
 	const u32 *stash;
 	const u32 *stash_len;
 	const u32 *stash_idx;
@@ -548,36 +617,26 @@ static int gfar_of_init(struct of_device *ofdev, struct net_device **pdev)
 	dev->real_num_tx_queues = num_tx_qs;
 	priv->num_tx_queues = num_tx_qs;
 	priv->num_rx_queues = num_rx_qs;
-
-	/* get a pointer to the register memory */
-	addr = of_translate_address(np, of_get_address(np, 0, &size, NULL));
-	priv->gfargrp.regs = ioremap(addr, size);
-
-	if (priv->gfargrp.regs == NULL) {
-		err = -ENOMEM;
-		goto err_out;
-	}
-
-	priv->gfargrp.priv = priv; /* back pointer from group to priv */
-	priv->gfargrp.rx_bit_map = DEFAULT_MAPPING;
-	priv->gfargrp.tx_bit_map = DEFAULT_MAPPING;
-
-	priv->gfargrp.interruptTransmit = irq_of_parse_and_map(np, 0);
+	priv->num_grps = 0x0;
 
 	model = of_get_property(np, "model", NULL);
 
-	/* If we aren't the FEC we have multiple interrupts */
-	if (model && strcasecmp(model, "FEC")) {
-		priv->gfargrp.interruptReceive = irq_of_parse_and_map(np, 1);
+	for (i = 0; i < MAXGROUPS; i++)
+		priv->gfargrp[i].regs = NULL;
 
-		priv->gfargrp.interruptError = irq_of_parse_and_map(np, 2);
-
-		if (priv->gfargrp.interruptTransmit < 0 ||
-				priv->gfargrp.interruptReceive < 0 ||
-				priv->gfargrp.interruptError < 0) {
-			err = -EINVAL;
-			goto err_out;
+	/* Parse and initialize group specific information */
+	if (of_device_is_compatible(np, "fsl,etsec2")) {
+		priv->mode = MQ_MG_MODE;
+		for_each_child_of_node(np, child) {
+			err = gfar_parse_group(child, priv, model);
+			if (err)
+				goto err_grp_init;
 		}
+	} else {
+		priv->mode = SQ_SG_MODE;
+		err = gfar_parse_group(np, priv, model);
+		if(err)
+			goto err_grp_init;
 	}
 
 	for (i = 0; i < priv->num_tx_queues; i++)
@@ -676,8 +735,8 @@ rx_alloc_failed:
 	free_rx_pointers(priv);
 tx_alloc_failed:
 	free_tx_pointers(priv);
-err_out:
-	iounmap(priv->gfargrp.regs);
+err_grp_init:
+	unmap_group_regs(priv);
 	free_netdev(dev);
 	return err;
 }
@@ -716,9 +775,11 @@ static int gfar_probe(struct of_device *ofdev,
 	struct net_device *dev = NULL;
 	struct gfar_private *priv = NULL;
 	struct gfar __iomem *regs = NULL;
-	int err = 0, i;
+	int err = 0, i, grp_idx = 0;
 	int len_devname;
 	u32 rstat = 0, tstat = 0, rqueue = 0, tqueue = 0;
+	u32 isrg = 0;
+	u32 *baddr;
 
 	err = gfar_of_init(ofdev, &dev);
 
@@ -731,12 +792,11 @@ static int gfar_probe(struct of_device *ofdev,
 	priv->node = ofdev->node;
 	SET_NETDEV_DEV(dev, &ofdev->dev);
 
-	spin_lock_init(&priv->gfargrp.grplock);
 	spin_lock_init(&priv->bflock);
 	INIT_WORK(&priv->reset_task, gfar_reset_task);
 
 	dev_set_drvdata(&ofdev->dev, priv);
-	regs = priv->gfargrp.regs;
+	regs = priv->gfargrp[0].regs;
 
 	/* Stop the DMA engine now, in case it was running before */
 	/* (The firmware could have used it, and left it running). */
@@ -769,7 +829,8 @@ static int gfar_probe(struct of_device *ofdev,
 	dev->ethtool_ops = &gfar_ethtool_ops;
 
 	/* Register for napi ...We are registering NAPI for each grp */
-	netif_napi_add(dev, &priv->gfargrp.napi, gfar_poll, GFAR_DEV_WEIGHT);
+	for (i = 0; i < priv->num_grps; i++)
+		netif_napi_add(dev, &priv->gfargrp[i].napi, gfar_poll, GFAR_DEV_WEIGHT);
 
 	if (priv->device_flags & FSL_GIANFAR_DEV_HAS_CSUM) {
 		priv->rx_csum_enable = 1;
@@ -825,25 +886,51 @@ static int gfar_probe(struct of_device *ofdev,
 	if (dev->features & NETIF_F_IP_CSUM)
 		dev->hard_header_len += GMAC_FCB_LEN;
 
+	/* Program the isrg regs only if number of grps > 1 */
+	if (priv->num_grps > 1) {
+		baddr = &regs->isrg0;
+		for (i = 0; i < priv->num_grps; i++) {
+			isrg |= (priv->gfargrp[i].rx_bit_map << ISRG_SHIFT_RX);
+			isrg |= (priv->gfargrp[i].tx_bit_map << ISRG_SHIFT_TX);
+			gfar_write(baddr, isrg);
+			baddr++;
+			isrg = 0x0;
+		}
+	}
+
 	/* Need to reverse the bit maps as  bit_map's MSB is q0
 	 * but, for_each_bit parses from right to left, which
 	 * basically reverses the queue numbers */
-	priv->gfargrp.tx_bit_map = reverse_bitmap(priv->gfargrp.tx_bit_map, MAX_TX_QS);
-	priv->gfargrp.rx_bit_map = reverse_bitmap(priv->gfargrp.rx_bit_map, MAX_RX_QS);
-
-	/* Calculate RSTAT, TSTAT, RQUEUE and TQUEUE values */
-	for_each_bit(i, &priv->gfargrp.rx_bit_map, priv->num_rx_queues) {
-		priv->gfargrp.num_rx_queues++;
-		rstat = rstat | (RSTAT_CLEAR_RHALT >> i);
-		rqueue = rqueue | ((RQUEUE_EN0 | RQUEUE_EX0) >> i);
-	}
-	for_each_bit (i, &priv->gfargrp.tx_bit_map, priv->num_tx_queues) {
-		priv->gfargrp.num_tx_queues++;
-		tstat = tstat | (TSTAT_CLEAR_THALT >> i);
-		tqueue = tqueue | (TQUEUE_EN0 >> i);
+	for (i = 0; i< priv->num_grps; i++) {
+		priv->gfargrp[i].tx_bit_map = reverse_bitmap(
+				priv->gfargrp[i].tx_bit_map, MAX_TX_QS);
+		priv->gfargrp[i].rx_bit_map = reverse_bitmap(
+				priv->gfargrp[i].rx_bit_map, MAX_RX_QS);
+	}
+
+	/* Calculate RSTAT, TSTAT, RQUEUE and TQUEUE values,
+	 * also assign queues to groups */
+	for (grp_idx = 0; grp_idx < priv->num_grps; grp_idx++) {
+		priv->gfargrp[grp_idx].num_rx_queues = 0x0;
+		for_each_bit(i, &priv->gfargrp[grp_idx].rx_bit_map,
+				priv->num_rx_queues) {
+			priv->gfargrp[grp_idx].num_rx_queues++;
+			priv->rx_queue[i]->grp = &priv->gfargrp[grp_idx];
+			rstat = rstat | (RSTAT_CLEAR_RHALT >> i);
+			rqueue = rqueue | ((RQUEUE_EN0 | RQUEUE_EX0) >> i);
+		}
+		priv->gfargrp[grp_idx].num_tx_queues = 0x0;
+		for_each_bit (i, &priv->gfargrp[grp_idx].tx_bit_map,
+				priv->num_tx_queues) {
+			priv->gfargrp[grp_idx].num_tx_queues++;
+			priv->tx_queue[i]->grp = &priv->gfargrp[grp_idx];
+			tstat = tstat | (TSTAT_CLEAR_THALT >> i);
+			tqueue = tqueue | (TQUEUE_EN0 >> i);
+		}
+		priv->gfargrp[grp_idx].rstat = rstat;
+		priv->gfargrp[grp_idx].tstat = tstat;
+		rstat = tstat =0;
 	}
-	priv->gfargrp.rstat = rstat;
-	priv->gfargrp.tstat = tstat;
 
 	gfar_write(&regs->rqueue, rqueue);
 	gfar_write(&regs->tqueue, tqueue);
@@ -883,20 +970,40 @@ static int gfar_probe(struct of_device *ofdev,
 
 	/* fill out IRQ number and name fields */
 	len_devname = strlen(dev->name);
-	strncpy(&priv->gfargrp.int_name_tx[0], dev->name, len_devname);
-	if (priv->device_flags & FSL_GIANFAR_DEV_HAS_MULTI_INTR) {
-		strncpy(&priv->gfargrp.int_name_tx[len_devname],
-			"_tx", sizeof("_tx") + 1);
-
-		strncpy(&priv->gfargrp.int_name_rx[0], dev->name, len_devname);
-		strncpy(&priv->gfargrp.int_name_rx[len_devname],
-			"_rx", sizeof("_rx") + 1);
-
-		strncpy(&priv->gfargrp.int_name_er[0], dev->name, len_devname);
-		strncpy(&priv->gfargrp.int_name_er[len_devname],
-			"_er", sizeof("_er") + 1);
-	} else
-		priv->gfargrp.int_name_tx[len_devname] = '\0';
+	for (i = 0; i < priv->num_grps; i++) {
+		strncpy(&priv->gfargrp[i].int_name_tx[0], dev->name,
+				len_devname);
+		if (priv->device_flags & FSL_GIANFAR_DEV_HAS_MULTI_INTR) {
+			strncpy(&priv->gfargrp[i].int_name_tx[len_devname],
+				"_g", sizeof("_g"));
+			priv->gfargrp[i].int_name_tx[
+				strlen(priv->gfargrp[i].int_name_tx)] = i+48;
+			strncpy(&priv->gfargrp[i].int_name_tx[strlen(
+				priv->gfargrp[i].int_name_tx)],
+				"_tx", sizeof("_tx") + 1);
+
+			strncpy(&priv->gfargrp[i].int_name_rx[0], dev->name,
+					len_devname);
+			strncpy(&priv->gfargrp[i].int_name_rx[len_devname],
+					"_g", sizeof("_g"));
+			priv->gfargrp[i].int_name_rx[
+				strlen(priv->gfargrp[i].int_name_rx)] = i+48;
+			strncpy(&priv->gfargrp[i].int_name_rx[strlen(
+				priv->gfargrp[i].int_name_rx)],
+				"_rx", sizeof("_rx") + 1);
+
+			strncpy(&priv->gfargrp[i].int_name_er[0], dev->name,
+					len_devname);
+			strncpy(&priv->gfargrp[i].int_name_er[len_devname],
+				"_g", sizeof("_g"));
+			priv->gfargrp[i].int_name_er[strlen(
+					priv->gfargrp[i].int_name_er)] = i+48;
+			strncpy(&priv->gfargrp[i].int_name_er[strlen(\
+				priv->gfargrp[i].int_name_er)],
+				"_er", sizeof("_er") + 1);
+		} else
+			priv->gfargrp[i].int_name_tx[len_devname] = '\0';
+	}
 
 	/* Create all the sysfs files */
 	gfar_init_sysfs(dev);
@@ -917,7 +1024,7 @@ static int gfar_probe(struct of_device *ofdev,
 	return 0;
 
 register_fail:
-	iounmap(priv->gfargrp.regs);
+	unmap_group_regs(priv);
 	free_tx_pointers(priv);
 	free_rx_pointers(priv);
 	if (priv->phy_node)
@@ -940,7 +1047,7 @@ static int gfar_remove(struct of_device *ofdev)
 	dev_set_drvdata(&ofdev->dev, NULL);
 
 	unregister_netdev(priv->ndev);
-	iounmap(priv->gfargrp.regs);
+	unmap_group_regs(priv);
 	free_netdev(priv->ndev);
 
 	return 0;
@@ -952,7 +1059,7 @@ static int gfar_suspend(struct device *dev)
 {
 	struct gfar_private *priv = dev_get_drvdata(dev);
 	struct net_device *ndev = priv->ndev;
-	struct gfar __iomem *regs = NULL;
+	struct gfar __iomem *regs = priv->gfargrp[0].regs;
 	unsigned long flags;
 	u32 tempval;
 
@@ -960,7 +1067,6 @@ static int gfar_suspend(struct device *dev)
 		(priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET);
 
 	netif_device_detach(ndev);
-	regs = priv->gfargrp.regs;
 
 	if (netif_running(ndev)) {
 
@@ -984,7 +1090,7 @@ static int gfar_suspend(struct device *dev)
 		unlock_tx_qs(priv);
 		local_irq_restore(flags);
 
-		napi_disable(&priv->gfargrp.napi);
+		disable_napi(priv);
 
 		if (magic_packet) {
 			/* Enable interrupt on Magic Packet */
@@ -1006,7 +1112,7 @@ static int gfar_resume(struct device *dev)
 {
 	struct gfar_private *priv = dev_get_drvdata(dev);
 	struct net_device *ndev = priv->ndev;
-	struct gfar __iomem *regs = NULL;
+	struct gfar __iomem *regs = priv->gfargrp[0].regs;
 	unsigned long flags;
 	u32 tempval;
 	int magic_packet = priv->wol_en &&
@@ -1023,8 +1129,6 @@ static int gfar_resume(struct device *dev)
 	/* Disable Magic Packet mode, in case something
 	 * else woke us up.
 	 */
-	regs = priv->gfargrp.regs;
-
 	local_irq_save(flags);
 	lock_tx_qs(priv);
 	lock_rx_qs(priv);
@@ -1041,7 +1145,7 @@ static int gfar_resume(struct device *dev)
 
 	netif_device_attach(ndev);
 
-	napi_enable(&priv->gfargrp.napi);
+	enable_napi(priv);
 
 	return 0;
 }
@@ -1107,10 +1211,9 @@ static int gfar_legacy_resume(struct of_device *ofdev)
 static phy_interface_t gfar_get_interface(struct net_device *dev)
 {
 	struct gfar_private *priv = netdev_priv(dev);
-	struct gfar __iomem *regs = NULL;
+	struct gfar __iomem *regs = priv->gfargrp[0].regs;
 	u32 ecntrl;
 
-	regs = priv->gfargrp.regs;
 	ecntrl = gfar_read(&regs->ecntrl);
 
 	if (ecntrl & ECNTRL_SGMII_MODE)
@@ -1234,14 +1337,18 @@ static void init_registers(struct net_device *dev)
 {
 	struct gfar_private *priv = netdev_priv(dev);
 	struct gfar __iomem *regs = NULL;
+	int i = 0;
 
-	regs = priv->gfargrp.regs;
-	/* Clear IEVENT */
-	gfar_write(&regs->ievent, IEVENT_INIT_CLEAR);
+	for (i = 0; i < priv->num_grps; i++) {
+		regs = priv->gfargrp[i].regs;
+		/* Clear IEVENT */
+		gfar_write(&regs->ievent, IEVENT_INIT_CLEAR);
 
-	/* Initialize IMASK */
-	gfar_write(&regs->imask, IMASK_INIT_CLEAR);
+		/* Initialize IMASK */
+		gfar_write(&regs->imask, IMASK_INIT_CLEAR);
+	}
 
+	regs = priv->gfargrp[0].regs;
 	/* Init hash registers to zero */
 	gfar_write(&regs->igaddr0, 0);
 	gfar_write(&regs->igaddr1, 0);
@@ -1282,15 +1389,20 @@ static void init_registers(struct net_device *dev)
 static void gfar_halt_nodisable(struct net_device *dev)
 {
 	struct gfar_private *priv = netdev_priv(dev);
-	struct gfar __iomem *regs = priv->gfargrp.regs;
+	struct gfar __iomem *regs = NULL;
 	u32 tempval;
+	int i = 0;
 
-	/* Mask all interrupts */
-	gfar_write(&regs->imask, IMASK_INIT_CLEAR);
+	for (i = 0; i < priv->num_grps; i++) {
+		regs = priv->gfargrp[i].regs;
+		/* Mask all interrupts */
+		gfar_write(&regs->imask, IMASK_INIT_CLEAR);
 
-	/* Clear all interrupts */
-	gfar_write(&regs->ievent, IEVENT_INIT_CLEAR);
+		/* Clear all interrupts */
+		gfar_write(&regs->ievent, IEVENT_INIT_CLEAR);
+	}
 
+	regs = priv->gfargrp[0].regs;
 	/* Stop the DMA, and wait for it to stop */
 	tempval = gfar_read(&regs->dmactrl);
 	if ((tempval & (DMACTRL_GRS | DMACTRL_GTS))
@@ -1308,7 +1420,7 @@ static void gfar_halt_nodisable(struct net_device *dev)
 void gfar_halt(struct net_device *dev)
 {
 	struct gfar_private *priv = netdev_priv(dev);
-	struct gfar __iomem *regs = priv->gfargrp.regs;
+	struct gfar __iomem *regs = priv->gfargrp[0].regs;
 	u32 tempval;
 
 	gfar_halt_nodisable(dev);
@@ -1319,10 +1431,18 @@ void gfar_halt(struct net_device *dev)
 	gfar_write(&regs->maccfg1, tempval);
 }
 
+static void free_grp_irqs(struct gfar_priv_grp *grp)
+{
+	free_irq(grp->interruptError, grp);
+	free_irq(grp->interruptTransmit, grp);
+	free_irq(grp->interruptReceive, grp);
+}
+
 void stop_gfar(struct net_device *dev)
 {
 	struct gfar_private *priv = netdev_priv(dev);
 	unsigned long flags;
+	int i;
 
 	phy_stop(priv->phydev);
 
@@ -1340,11 +1460,12 @@ void stop_gfar(struct net_device *dev)
 
 	/* Free the IRQs */
 	if (priv->device_flags & FSL_GIANFAR_DEV_HAS_MULTI_INTR) {
-		free_irq(priv->gfargrp.interruptError, &priv->gfargrp);
-		free_irq(priv->gfargrp.interruptTransmit, &priv->gfargrp);
-		free_irq(priv->gfargrp.interruptReceive, &priv->gfargrp);
+		for (i = 0; i < priv->num_grps; i++)
+			free_grp_irqs(&priv->gfargrp[i]);
 	} else {
-		free_irq(priv->gfargrp.interruptTransmit, &priv->gfargrp);
+		for (i = 0; i < priv->num_grps; i++)
+			free_irq(priv->gfargrp[i].interruptTransmit,
+					&priv->gfargrp[i]);
 	}
 
 	free_skb_resources(priv);
@@ -1432,8 +1553,9 @@ static void free_skb_resources(struct gfar_private *priv)
 void gfar_start(struct net_device *dev)
 {
 	struct gfar_private *priv = netdev_priv(dev);
-	struct gfar __iomem *regs = priv->gfargrp.regs;
+	struct gfar __iomem *regs = priv->gfargrp[0].regs;
 	u32 tempval;
+	int i = 0;
 
 	/* Enable Rx and Tx in MACCFG1 */
 	tempval = gfar_read(&regs->maccfg1);
@@ -1450,92 +1572,149 @@ void gfar_start(struct net_device *dev)
 	tempval &= ~(DMACTRL_GRS | DMACTRL_GTS);
 	gfar_write(&regs->dmactrl, tempval);
 
-	/* Clear THLT/RHLT, so that the DMA starts polling now */
-	gfar_write(&regs->tstat, priv->gfargrp.tstat);
-	gfar_write(&regs->rstat, priv->gfargrp.rstat);
-
-	/* Unmask the interrupts we look for */
-	gfar_write(&regs->imask, IMASK_DEFAULT);
+	for (i = 0; i < priv->num_grps; i++) {
+		regs = priv->gfargrp[i].regs;
+		/* Clear THLT/RHLT, so that the DMA starts polling now */
+		gfar_write(&regs->tstat, priv->gfargrp[i].tstat);
+		gfar_write(&regs->rstat, priv->gfargrp[i].rstat);
+		/* Unmask the interrupts we look for */
+		gfar_write(&regs->imask, IMASK_DEFAULT);
+	}
 
 	dev->trans_start = jiffies;
 }
 
-/* Bring the controller up and running */
-int startup_gfar(struct net_device *ndev)
+void gfar_configure_coalescing(struct gfar_private *priv,
+	unsigned int tx_mask, unsigned int rx_mask)
 {
-	struct gfar_private *priv = netdev_priv(ndev);
-	struct gfar __iomem *regs = priv->gfargrp.regs;
-	int err;
+	struct gfar __iomem *regs = priv->gfargrp[0].regs;
+	u32 *baddr;
+	int i = 0;
 
-	gfar_write(&regs->imask, IMASK_INIT_CLEAR);
+	/* Backward compatible case ---- even if we enable
+	 * multiple queues, there's only single reg to program
+	 */
+	gfar_write(&regs->txic, 0);
+	if(likely(priv->tx_queue[0]->txcoalescing))
+		gfar_write(&regs->txic, priv->tx_queue[0]->txic);
 
-	err = gfar_alloc_skb_resources(ndev);
-	if (err)
-		return err;
+	gfar_write(&regs->rxic, 0);
+	if(unlikely(priv->rx_queue[0]->rxcoalescing))
+		gfar_write(&regs->rxic, priv->rx_queue[0]->rxic);
 
-	gfar_init_mac(ndev);
+	if (priv->mode == MQ_MG_MODE) {
+		baddr = &regs->txic0;
+		for_each_bit (i, &tx_mask, priv->num_tx_queues) {
+			if (likely(priv->tx_queue[i]->txcoalescing)) {
+				gfar_write(baddr + i, 0);
+				gfar_write(baddr + i, priv->tx_queue[i]->txic);
+			}
+		}
+
+		baddr = &regs->rxic0;
+		for_each_bit (i, &rx_mask, priv->num_rx_queues) {
+			if (likely(priv->rx_queue[i]->rxcoalescing)) {
+				gfar_write(baddr + i, 0);
+				gfar_write(baddr + i, priv->rx_queue[i]->rxic);
+			}
+		}
+	}
+}
+
+static int register_grp_irqs(struct gfar_priv_grp *grp)
+{
+	struct gfar_private *priv = grp->priv;
+	struct net_device *dev = priv->ndev;
+	int err;
 
 	/* If the device has multiple interrupts, register for
 	 * them.  Otherwise, only register for the one */
 	if (priv->device_flags & FSL_GIANFAR_DEV_HAS_MULTI_INTR) {
 		/* Install our interrupt handlers for Error,
 		 * Transmit, and Receive */
-		err = request_irq(priv->gfargrp.interruptError, gfar_error, 0,
-				  priv->gfargrp.int_name_er, &priv->gfargrp);
-		if (err) {
+		if ((err = request_irq(grp->interruptError, gfar_error, 0,
+				grp->int_name_er,grp)) < 0) {
 			if (netif_msg_intr(priv))
-				pr_err("%s: Can't get IRQ %d\n", ndev->name,
-				       priv->gfargrp.interruptError);
-			goto err_irq_fail;
+				printk(KERN_ERR "%s: Can't get IRQ %d\n",
+					dev->name, grp->interruptError);
+
+				goto err_irq_fail;
 		}
 
-		err = request_irq(priv->gfargrp.interruptTransmit,
-					gfar_transmit, 0,
-					priv->gfargrp.int_name_tx,
-					&priv->gfargrp);
-		if (err) {
+		if ((err = request_irq(grp->interruptTransmit, gfar_transmit,
+				0, grp->int_name_tx, grp)) < 0) {
 			if (netif_msg_intr(priv))
-				pr_err("%s: Can't get IRQ %d\n", ndev->name,
-				       priv->gfargrp.interruptTransmit);
+				printk(KERN_ERR "%s: Can't get IRQ %d\n",
+					dev->name, grp->interruptTransmit);
 			goto tx_irq_fail;
 		}
 
-		err = request_irq(priv->gfargrp.interruptReceive,
-					gfar_receive, 0,
-					priv->gfargrp.int_name_rx,
-					&priv->gfargrp);
-		if (err) {
+		if ((err = request_irq(grp->interruptReceive, gfar_receive, 0,
+				grp->int_name_rx, grp)) < 0) {
 			if (netif_msg_intr(priv))
-				pr_err("%s: Can't get IRQ %d (receive0)\n",
-					ndev->name,
-					priv->gfargrp.interruptReceive);
+				printk(KERN_ERR "%s: Can't get IRQ %d\n",
+					dev->name, grp->interruptReceive);
 			goto rx_irq_fail;
 		}
 	} else {
-		err = request_irq(priv->gfargrp.interruptTransmit,
-					gfar_interrupt, 0,
-					priv->gfargrp.int_name_tx,
-					&priv->gfargrp);
-		if (err) {
+		if ((err = request_irq(grp->interruptTransmit, gfar_interrupt, 0,
+				grp->int_name_tx, grp)) < 0) {
 			if (netif_msg_intr(priv))
-				pr_err("%s: Can't get IRQ %d\n", ndev->name,
-				       priv->gfargrp.interruptTransmit);
+				printk(KERN_ERR "%s: Can't get IRQ %d\n",
+					dev->name, grp->interruptTransmit);
 			goto err_irq_fail;
 		}
 	}
 
+	return 0;
+
+rx_irq_fail:
+	free_irq(grp->interruptTransmit, grp);
+tx_irq_fail:
+	free_irq(grp->interruptError, grp);
+err_irq_fail:
+	return err;
+
+}
+
+/* Bring the controller up and running */
+int startup_gfar(struct net_device *ndev)
+{
+	struct gfar_private *priv = netdev_priv(ndev);
+	struct gfar __iomem *regs = NULL;
+	int err, i, j;
+
+	for (i = 0; i < priv->num_grps; i++) {
+		regs= priv->gfargrp[i].regs;
+		gfar_write(&regs->imask, IMASK_INIT_CLEAR);
+	}
+
+	regs= priv->gfargrp[0].regs;
+	err = gfar_alloc_skb_resources(ndev);
+	if (err)
+		return err;
+
+	gfar_init_mac(ndev);
+
+	for (i = 0; i < priv->num_grps; i++) {
+		err = register_grp_irqs(&priv->gfargrp[i]);
+		if (err) {
+			for (j = 0; j < i; j++)
+				free_grp_irqs(&priv->gfargrp[j]);
+				goto irq_fail;
+		}
+	}
+
 	/* Start the controller */
 	gfar_start(ndev);
 
 	phy_start(priv->phydev);
 
+	gfar_configure_coalescing(priv, 0xFF, 0xFF);
+
 	return 0;
 
-rx_irq_fail:
-	free_irq(priv->gfargrp.interruptTransmit, &priv->gfargrp);
-tx_irq_fail:
-	free_irq(priv->gfargrp.interruptError, &priv->gfargrp);
-err_irq_fail:
+irq_fail:
 	free_skb_resources(priv);
 	return err;
 }
@@ -1547,7 +1726,7 @@ static int gfar_enet_open(struct net_device *dev)
 	struct gfar_private *priv = netdev_priv(dev);
 	int err;
 
-	napi_enable(&priv->gfargrp.napi);
+	enable_napi(priv);
 
 	skb_queue_head_init(&priv->rx_recycle);
 
@@ -1559,13 +1738,13 @@ static int gfar_enet_open(struct net_device *dev)
 	err = init_phy(dev);
 
 	if (err) {
-		napi_disable(&priv->gfargrp.napi);
+		disable_napi(priv);
 		return err;
 	}
 
 	err = startup_gfar(dev);
 	if (err) {
-		napi_disable(&priv->gfargrp.napi);
+		disable_napi(priv);
 		return err;
 	}
 
@@ -1654,7 +1833,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	tx_queue = priv->tx_queue[rq];
 	txq = netdev_get_tx_queue(dev, rq);
 	base = tx_queue->tx_bd_base;
-	regs = priv->gfargrp.regs;
+	regs = tx_queue->grp->regs;
 
 	/* make space for additional header when fcb is needed */
 	if (((skb->ip_summed == CHECKSUM_PARTIAL) ||
@@ -1791,7 +1970,7 @@ static int gfar_close(struct net_device *dev)
 {
 	struct gfar_private *priv = netdev_priv(dev);
 
-	napi_disable(&priv->gfargrp.napi);
+	disable_napi(priv);
 
 	skb_queue_purge(&priv->rx_recycle);
 	cancel_work_sync(&priv->reset_task);
@@ -1824,7 +2003,7 @@ static void gfar_vlan_rx_register(struct net_device *dev,
 	unsigned long flags;
 	u32 tempval;
 
-	regs = priv->gfargrp.regs;
+	regs = priv->gfargrp[0].regs;
 	local_irq_save(flags);
 	lock_rx_qs(priv);
 
@@ -1868,7 +2047,7 @@ static int gfar_change_mtu(struct net_device *dev, int new_mtu)
 {
 	int tempsize, tempval;
 	struct gfar_private *priv = netdev_priv(dev);
-	struct gfar __iomem *regs = priv->gfargrp.regs;
+	struct gfar __iomem *regs = priv->gfargrp[0].regs;
 	int oldsize = priv->rx_buffer_size;
 	int frame_size = new_mtu + ETH_HLEN;
 
@@ -2290,7 +2469,7 @@ static int gfar_poll(struct napi_struct *napi, int budget)
 	struct gfar_priv_grp *gfargrp = container_of(napi,
 			struct gfar_priv_grp, napi);
 	struct gfar_private *priv = gfargrp->priv;
-	struct gfar __iomem *regs = priv->gfargrp.regs;
+	struct gfar __iomem *regs = gfargrp->regs;
 	struct gfar_priv_tx_q *tx_queue = NULL;
 	struct gfar_priv_rx_q *rx_queue = NULL;
 	int rx_cleaned = 0, budget_per_queue = 0, rx_cleaned_per_queue = 0;
@@ -2349,14 +2528,8 @@ static int gfar_poll(struct napi_struct *napi, int budget)
 
 		/* If we are coalescing interrupts, update the timer */
 		/* Otherwise, clear it */
-		if (likely(rx_queue->rxcoalescing)) {
-			gfar_write(&regs->rxic, 0);
-			gfar_write(&regs->rxic, rx_queue->rxic);
-		}
-		if (likely(tx_queue->txcoalescing)) {
-			gfar_write(&regs->txic, 0);
-			gfar_write(&regs->txic, tx_queue->txic);
-		}
+		gfar_configure_coalescing(priv,
+				gfargrp->rx_bit_map, gfargrp->tx_bit_map);
 	}
 
 	return rx_cleaned;
@@ -2371,20 +2544,26 @@ static int gfar_poll(struct napi_struct *napi, int budget)
 static void gfar_netpoll(struct net_device *dev)
 {
 	struct gfar_private *priv = netdev_priv(dev);
+	int i = 0;
 
 	/* If the device has multiple interrupts, run tx/rx */
 	if (priv->device_flags & FSL_GIANFAR_DEV_HAS_MULTI_INTR) {
-		disable_irq(priv->gfargrp.interruptTransmit);
-		disable_irq(priv->gfargrp.interruptReceive);
-		disable_irq(priv->gfargrp.interruptError);
-		gfar_interrupt(priv->gfargrp.interruptTransmit, &priv->gfargrp);
-		enable_irq(priv->gfargrp.interruptError);
-		enable_irq(priv->gfargrp.interruptReceive);
-		enable_irq(priv->gfargrp.interruptTransmit);
+		for (i = 0; i < priv->num_grps; i++) {
+			disable_irq(priv->gfargrp[i].interruptTransmit);
+			disable_irq(priv->gfargrp[i].interruptReceive);
+			disable_irq(priv->gfargrp[i].interruptError);
+			gfar_interrupt(priv->gfargrp[i].interruptTransmit,
+						&priv->gfargrp[i]);
+			enable_irq(priv->gfargrp[i].interruptError);
+			enable_irq(priv->gfargrp[i].interruptReceive);
+			enable_irq(priv->gfargrp[i].interruptTransmit);
+		}
 	} else {
-		disable_irq(priv->gfargrp.interruptTransmit);
-		gfar_interrupt(priv->gfargrp.interruptTransmit, &priv->gfargrp);
-		enable_irq(priv->gfargrp.interruptTransmit);
+		for (i = 0; i < priv->num_grps; i++) {
+			disable_irq(priv->gfargrp[i].interruptTransmit);
+			gfar_interrupt(priv->gfargrp[i].interruptTransmit,
+						&priv->gfargrp[i]);
+			enable_irq(priv->gfargrp[i].interruptTransmit);
 	}
 }
 #endif
@@ -2421,7 +2600,7 @@ static irqreturn_t gfar_interrupt(int irq, void *grp_id)
 static void adjust_link(struct net_device *dev)
 {
 	struct gfar_private *priv = netdev_priv(dev);
-	struct gfar __iomem *regs = priv->gfargrp.regs;
+	struct gfar __iomem *regs = priv->gfargrp[0].regs;
 	unsigned long flags;
 	struct phy_device *phydev = priv->phydev;
 	int new_state = 0;
@@ -2505,7 +2684,7 @@ static void gfar_set_multi(struct net_device *dev)
 {
 	struct dev_mc_list *mc_ptr;
 	struct gfar_private *priv = netdev_priv(dev);
-	struct gfar __iomem *regs = priv->gfargrp.regs;
+	struct gfar __iomem *regs = priv->gfargrp[0].regs;
 	u32 tempval;
 
 	if (dev->flags & IFF_PROMISC) {
@@ -2638,7 +2817,7 @@ static void gfar_set_hash_for_addr(struct net_device *dev, u8 *addr)
 static void gfar_set_mac_for_addr(struct net_device *dev, int num, u8 *addr)
 {
 	struct gfar_private *priv = netdev_priv(dev);
-	struct gfar __iomem *regs = priv->gfargrp.regs;
+	struct gfar __iomem *regs = priv->gfargrp[0].regs;
 	int idx;
 	char tmpbuf[MAC_ADDR_LEN];
 	u32 tempval;
@@ -2742,6 +2921,9 @@ static struct of_device_id gfar_match[] =
 		.type = "network",
 		.compatible = "gianfar",
 	},
+	{
+		.compatible = "fsl,etsec2",
+	},
 	{},
 };
 MODULE_DEVICE_TABLE(of, gfar_match);
diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h
index 08518c20503..a2c1f963cdd 100644
--- a/drivers/net/gianfar.h
+++ b/drivers/net/gianfar.h
@@ -79,6 +79,9 @@ extern const char gfar_driver_version[];
 #define MAX_TX_QS	0x8
 #define MAX_RX_QS	0x8
 
+/* MAXIMUM NUMBER OF GROUPS SUPPORTED */
+#define MAXGROUPS 0x2
+
 /* These need to be powers of 2 for this driver */
 #define DEFAULT_TX_RING_SIZE	256
 #define DEFAULT_RX_RING_SIZE	256
@@ -795,7 +798,24 @@ struct gfar {
 #define FSL_GIANFAR_DEV_HAS_BD_STASHING		0x00000200
 #define FSL_GIANFAR_DEV_HAS_BUF_STASHING	0x00000400
 
+#if (MAXGROUPS == 2)
+#define DEFAULT_MAPPING 	0xAA
+#else
 #define DEFAULT_MAPPING 	0xFF
+#endif
+
+#define ISRG_SHIFT_TX	0x10
+#define ISRG_SHIFT_RX	0x18
+
+/* The same driver can operate in two modes */
+/* SQ_SG_MODE: Single Queue Single Group Mode
+ * 		(Backward compatible mode)
+ * MQ_MG_MODE: Multi Queue Multi Group mode
+ */
+enum {
+	SQ_SG_MODE = 0,
+	MQ_MG_MODE
+};
 
 /**
  *	struct gfar_priv_tx_q - per tx queue structure
@@ -825,6 +845,7 @@ struct gfar_priv_tx_q {
 	struct	txbd8 *cur_tx;
 	struct	txbd8 *dirty_tx;
 	struct	net_device *dev;
+	struct gfar_priv_grp *grp;
 	u16	skb_curtx;
 	u16	skb_dirtytx;
 	u16	qindex;
@@ -858,6 +879,7 @@ struct gfar_priv_rx_q {
 	struct	rxbd8 *rx_bd_base;
 	struct	rxbd8 *cur_rx;
 	struct	net_device *dev;
+	struct gfar_priv_grp *grp;
 	u16	skb_currx;
 	u16	qindex;
 	unsigned int	rx_ring_size;
@@ -885,6 +907,7 @@ struct gfar_priv_grp {
 	struct	napi_struct napi;
 	struct gfar_private *priv;
 	struct gfar __iomem *regs;
+	unsigned int grp_id;
 	unsigned int rx_bit_map;
 	unsigned int tx_bit_map;
 	unsigned int num_tx_queues;
@@ -916,6 +939,8 @@ struct gfar_private {
 	/* Indicates how many tx, rx queues are enabled */
 	unsigned int num_tx_queues;
 	unsigned int num_rx_queues;
+	unsigned int num_grps;
+	unsigned int mode;
 
 	/* The total tx and rx ring size for the enabled queues */
 	unsigned int total_tx_ring_size;
@@ -925,7 +950,7 @@ struct gfar_private {
 	struct net_device *ndev;
 	struct of_device *ofdev;
 
-	struct gfar_priv_grp gfargrp;
+	struct gfar_priv_grp gfargrp[MAXGROUPS];
 	struct gfar_priv_tx_q *tx_queue[MAX_TX_QS];
 	struct gfar_priv_rx_q *rx_queue[MAX_RX_QS];
 
@@ -999,6 +1024,8 @@ extern void stop_gfar(struct net_device *dev);
 extern void gfar_halt(struct net_device *dev);
 extern void gfar_phy_test(struct mii_bus *bus, struct phy_device *phydev,
 		int enable, u32 regnum, u32 read);
+extern void gfar_configure_coalescing(struct gfar_private *priv,
+		unsigned int tx_mask, unsigned int rx_mask);
 void gfar_init_sysfs(struct net_device *dev);
 
 extern const struct ethtool_ops gfar_ethtool_ops;
diff --git a/drivers/net/gianfar_ethtool.c b/drivers/net/gianfar_ethtool.c
index d3d26234f19..562f6c20f59 100644
--- a/drivers/net/gianfar_ethtool.c
+++ b/drivers/net/gianfar_ethtool.c
@@ -137,7 +137,7 @@ static void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy,
 {
 	int i;
 	struct gfar_private *priv = netdev_priv(dev);
-	struct gfar __iomem *regs = priv->gfargrp.regs;
+	struct gfar __iomem *regs = priv->gfargrp[0].regs;
 	u64 *extra = (u64 *) & priv->extra_stats;
 
 	if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON) {
@@ -226,7 +226,7 @@ static void gfar_get_regs(struct net_device *dev, struct ethtool_regs *regs, voi
 {
 	int i;
 	struct gfar_private *priv = netdev_priv(dev);
-	u32 __iomem *theregs = (u32 __iomem *) priv->gfargrp.regs;
+	u32 __iomem *theregs = (u32 __iomem *) priv->gfargrp[0].regs;
 	u32 *buf = (u32 *) regbuf;
 
 	for (i = 0; i < sizeof (struct gfar) / sizeof (u32); i++)
@@ -352,22 +352,23 @@ static int gfar_gcoalesce(struct net_device *dev, struct ethtool_coalesce *cvals
 static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals)
 {
 	struct gfar_private *priv = netdev_priv(dev);
-	struct gfar __iomem *regs = priv->gfargrp.regs;
-	struct gfar_priv_tx_q *tx_queue = NULL;
-	struct gfar_priv_rx_q *rx_queue = NULL;
+	int i = 0;
 
 	if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE))
 		return -EOPNOTSUPP;
 
-	tx_queue = priv->tx_queue[0];
-	rx_queue = priv->rx_queue[0];
-
 	/* Set up rx coalescing */
+	/* As of now, we will enable/disable coalescing for all
+	 * queues together in case of eTSEC2, this will be modified
+	 * along with the ethtool interface */
 	if ((cvals->rx_coalesce_usecs == 0) ||
-	    (cvals->rx_max_coalesced_frames == 0))
-		rx_queue->rxcoalescing = 0;
-	else
-		rx_queue->rxcoalescing = 1;
+	    (cvals->rx_max_coalesced_frames == 0)) {
+		for (i = 0; i < priv->num_rx_queues; i++)
+			priv->rx_queue[i]->rxcoalescing = 0;
+	} else {
+		for (i = 0; i < priv->num_rx_queues; i++)
+			priv->rx_queue[i]->rxcoalescing = 1;
+	}
 
 	if (NULL == priv->phydev)
 		return -ENODEV;
@@ -385,15 +386,21 @@ static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals
 		return -EINVAL;
 	}
 
-	rx_queue->rxic = mk_ic_value(cvals->rx_max_coalesced_frames,
-		gfar_usecs2ticks(priv, cvals->rx_coalesce_usecs));
+	for (i = 0; i < priv->num_rx_queues; i++) {
+		priv->rx_queue[i]->rxic = mk_ic_value(
+			cvals->rx_max_coalesced_frames,
+			gfar_usecs2ticks(priv, cvals->rx_coalesce_usecs));
+	}
 
 	/* Set up tx coalescing */
 	if ((cvals->tx_coalesce_usecs == 0) ||
-	    (cvals->tx_max_coalesced_frames == 0))
-		tx_queue->txcoalescing = 0;
-	else
-		tx_queue->txcoalescing = 1;
+	    (cvals->tx_max_coalesced_frames == 0)) {
+		for (i = 0; i < priv->num_tx_queues; i++)
+			priv->tx_queue[i]->txcoalescing = 0;
+	} else {
+		for (i = 0; i < priv->num_tx_queues; i++)
+			priv->tx_queue[i]->txcoalescing = 1;
+	}
 
 	/* Check the bounds of the values */
 	if (cvals->tx_coalesce_usecs > GFAR_MAX_COAL_USECS) {
@@ -408,16 +415,13 @@ static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals
 		return -EINVAL;
 	}
 
-	tx_queue->txic = mk_ic_value(cvals->tx_max_coalesced_frames,
-		gfar_usecs2ticks(priv, cvals->tx_coalesce_usecs));
-
-	gfar_write(&regs->rxic, 0);
-	if (rx_queue->rxcoalescing)
-		gfar_write(&regs->rxic, rx_queue->rxic);
+	for (i = 0; i < priv->num_tx_queues; i++) {
+		priv->tx_queue[i]->txic = mk_ic_value(
+			cvals->tx_max_coalesced_frames,
+			gfar_usecs2ticks(priv, cvals->tx_coalesce_usecs));
+	}
 
-	gfar_write(&regs->txic, 0);
-	if (tx_queue->txcoalescing)
-		gfar_write(&regs->txic, tx_queue->txic);
+	gfar_configure_coalescing(priv, 0xFF, 0xFF);
 
 	return 0;
 }
diff --git a/drivers/net/gianfar_sysfs.c b/drivers/net/gianfar_sysfs.c
index 4b726f61314..3724835d285 100644
--- a/drivers/net/gianfar_sysfs.c
+++ b/drivers/net/gianfar_sysfs.c
@@ -50,7 +50,7 @@ static ssize_t gfar_set_bd_stash(struct device *dev,
 				 const char *buf, size_t count)
 {
 	struct gfar_private *priv = netdev_priv(to_net_dev(dev));
-	struct gfar __iomem *regs = priv->gfargrp.regs;
+	struct gfar __iomem *regs = priv->gfargrp[0].regs;
 	int new_setting = 0;
 	u32 temp;
 	unsigned long flags;
@@ -105,7 +105,7 @@ static ssize_t gfar_set_rx_stash_size(struct device *dev,
 				      const char *buf, size_t count)
 {
 	struct gfar_private *priv = netdev_priv(to_net_dev(dev));
-	struct gfar __iomem *regs = priv->gfargrp.regs;
+	struct gfar __iomem *regs = priv->gfargrp[0].regs;
 	unsigned int length = simple_strtoul(buf, NULL, 0);
 	u32 temp;
 	unsigned long flags;
@@ -164,7 +164,7 @@ static ssize_t gfar_set_rx_stash_index(struct device *dev,
 				       const char *buf, size_t count)
 {
 	struct gfar_private *priv = netdev_priv(to_net_dev(dev));
-	struct gfar __iomem *regs = priv->gfargrp.regs;
+	struct gfar __iomem *regs = priv->gfargrp[0].regs;
 	unsigned short index = simple_strtoul(buf, NULL, 0);
 	u32 temp;
 	unsigned long flags;
@@ -212,7 +212,7 @@ static ssize_t gfar_set_fifo_threshold(struct device *dev,
 				       const char *buf, size_t count)
 {
 	struct gfar_private *priv = netdev_priv(to_net_dev(dev));
-	struct gfar __iomem *regs = priv->gfargrp.regs;
+	struct gfar __iomem *regs = priv->gfargrp[0].regs;
 	unsigned int length = simple_strtoul(buf, NULL, 0);
 	u32 temp;
 	unsigned long flags;
@@ -252,7 +252,7 @@ static ssize_t gfar_set_fifo_starve(struct device *dev,
 				    const char *buf, size_t count)
 {
 	struct gfar_private *priv = netdev_priv(to_net_dev(dev));
-	struct gfar __iomem *regs = priv->gfargrp.regs;
+	struct gfar __iomem *regs = priv->gfargrp[0].regs;
 	unsigned int num = simple_strtoul(buf, NULL, 0);
 	u32 temp;
 	unsigned long flags;
@@ -293,7 +293,7 @@ static ssize_t gfar_set_fifo_starve_off(struct device *dev,
 					const char *buf, size_t count)
 {
 	struct gfar_private *priv = netdev_priv(to_net_dev(dev));
-	struct gfar __iomem *regs = priv->gfargrp.regs;
+	struct gfar __iomem *regs = priv->gfargrp[0].regs;
 	unsigned int num = simple_strtoul(buf, NULL, 0);
 	u32 temp;
 	unsigned long flags;
-- 
GitLab


From 7a8b3372e29ff58ebdf94def26703afabd287f11 Mon Sep 17 00:00:00 2001
From: Sandeep Gopalpet <Sandeep.Kumar@freescale.com>
Date: Mon, 2 Nov 2009 07:03:40 +0000
Subject: [PATCH 0859/1815] gianfar: Basic Support for programming hash rules

This patch provides basic hash rules programming via the ethtool
interface.

Signed-off-by: Sandeep Gopalpet <Sandeep.Kumar@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/gianfar.c         |  73 +++++++++++
 drivers/net/gianfar.h         |  93 ++++++++++++++
 drivers/net/gianfar_ethtool.c | 236 ++++++++++++++++++++++++++++++++++
 include/linux/ethtool.h       |   2 +
 4 files changed, 404 insertions(+)

diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index dc9fba09b17..086d40dd526 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -431,6 +431,9 @@ static const struct net_device_ops gfar_netdev_ops = {
 #endif
 };
 
+unsigned int ftp_rqfpr[MAX_FILER_IDX + 1];
+unsigned int ftp_rqfcr[MAX_FILER_IDX + 1];
+
 void lock_rx_qs(struct gfar_private *priv)
 {
 	int i = 0x0;
@@ -766,6 +769,73 @@ static unsigned int reverse_bitmap(unsigned int bit_map, unsigned int max_qs)
 	}
 	return new_bit_map;
 }
+
+u32 cluster_entry_per_class(struct gfar_private *priv, u32 rqfar, u32 class)
+{
+	u32 rqfpr = FPR_FILER_MASK;
+	u32 rqfcr = 0x0;
+
+	rqfar--;
+	rqfcr = RQFCR_CLE | RQFCR_PID_MASK | RQFCR_CMP_EXACT;
+	ftp_rqfpr[rqfar] = rqfpr;
+	ftp_rqfcr[rqfar] = rqfcr;
+	gfar_write_filer(priv, rqfar, rqfcr, rqfpr);
+
+	rqfar--;
+	rqfcr = RQFCR_CMP_NOMATCH;
+	ftp_rqfpr[rqfar] = rqfpr;
+	ftp_rqfcr[rqfar] = rqfcr;
+	gfar_write_filer(priv, rqfar, rqfcr, rqfpr);
+
+	rqfar--;
+	rqfcr = RQFCR_CMP_EXACT | RQFCR_PID_PARSE | RQFCR_CLE | RQFCR_AND;
+	rqfpr = class;
+	ftp_rqfcr[rqfar] = rqfcr;
+	ftp_rqfpr[rqfar] = rqfpr;
+	gfar_write_filer(priv, rqfar, rqfcr, rqfpr);
+
+	rqfar--;
+	rqfcr = RQFCR_CMP_EXACT | RQFCR_PID_MASK | RQFCR_AND;
+	rqfpr = class;
+	ftp_rqfcr[rqfar] = rqfcr;
+	ftp_rqfpr[rqfar] = rqfpr;
+	gfar_write_filer(priv, rqfar, rqfcr, rqfpr);
+
+	return rqfar;
+}
+
+static void gfar_init_filer_table(struct gfar_private *priv)
+{
+	int i = 0x0;
+	u32 rqfar = MAX_FILER_IDX;
+	u32 rqfcr = 0x0;
+	u32 rqfpr = FPR_FILER_MASK;
+
+	/* Default rule */
+	rqfcr = RQFCR_CMP_MATCH;
+	ftp_rqfcr[rqfar] = rqfcr;
+	ftp_rqfpr[rqfar] = rqfpr;
+	gfar_write_filer(priv, rqfar, rqfcr, rqfpr);
+
+	rqfar = cluster_entry_per_class(priv, rqfar, RQFPR_IPV6);
+	rqfar = cluster_entry_per_class(priv, rqfar, RQFPR_IPV6 | RQFPR_UDP);
+	rqfar = cluster_entry_per_class(priv, rqfar, RQFPR_IPV6 | RQFPR_TCP);
+	rqfar = cluster_entry_per_class(priv, rqfar, RQFPR_IPV4);
+	rqfar = cluster_entry_per_class(priv, rqfar, RQFPR_IPV4 | RQFPR_UDP);
+	rqfar = cluster_entry_per_class(priv, rqfar, RQFPR_IPV4 | RQFPR_TCP);
+
+	/* cur_filer_idx indicated the fisrt non-masked rule */
+	priv->cur_filer_idx = rqfar;
+
+	/* Rest are masked rules */
+	rqfcr = RQFCR_CMP_NOMATCH;
+	for (i = 0; i < rqfar; i++) {
+		ftp_rqfcr[i] = rqfcr;
+		ftp_rqfpr[i] = rqfpr;
+		gfar_write_filer(priv, i, rqfcr, rqfpr);
+	}
+}
+
 /* Set up the ethernet device structure, private data,
  * and anything else we need before we start */
 static int gfar_probe(struct of_device *ofdev,
@@ -1005,6 +1075,9 @@ static int gfar_probe(struct of_device *ofdev,
 			priv->gfargrp[i].int_name_tx[len_devname] = '\0';
 	}
 
+	/* Initialize the filer table */
+	gfar_init_filer_table(priv);
+
 	/* Create all the sysfs files */
 	gfar_init_sysfs(dev);
 
diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h
index a2c1f963cdd..44b63daa7ff 100644
--- a/drivers/net/gianfar.h
+++ b/drivers/net/gianfar.h
@@ -381,6 +381,84 @@ extern const char gfar_driver_version[];
 #define BD_LFLAG(flags) ((flags) << 16)
 #define BD_LENGTH_MASK		0x0000ffff
 
+#define CLASS_CODE_UNRECOG		0x00
+#define CLASS_CODE_DUMMY1		0x01
+#define CLASS_CODE_ETHERTYPE1		0x02
+#define CLASS_CODE_ETHERTYPE2		0x03
+#define CLASS_CODE_USER_PROG1		0x04
+#define CLASS_CODE_USER_PROG2		0x05
+#define CLASS_CODE_USER_PROG3		0x06
+#define CLASS_CODE_USER_PROG4		0x07
+#define CLASS_CODE_TCP_IPV4		0x08
+#define CLASS_CODE_UDP_IPV4		0x09
+#define CLASS_CODE_AH_ESP_IPV4		0x0a
+#define CLASS_CODE_SCTP_IPV4		0x0b
+#define CLASS_CODE_TCP_IPV6		0x0c
+#define CLASS_CODE_UDP_IPV6		0x0d
+#define CLASS_CODE_AH_ESP_IPV6		0x0e
+#define CLASS_CODE_SCTP_IPV6		0x0f
+
+#define FPR_FILER_MASK	0xFFFFFFFF
+#define MAX_FILER_IDX	0xFF
+
+/* RQFCR register bits */
+#define RQFCR_GPI		0x80000000
+#define RQFCR_HASHTBL_Q		0x00000000
+#define RQFCR_HASHTBL_0		0x00020000
+#define RQFCR_HASHTBL_1		0x00040000
+#define RQFCR_HASHTBL_2		0x00060000
+#define RQFCR_HASHTBL_3		0x00080000
+#define RQFCR_HASH		0x00010000
+#define RQFCR_CLE		0x00000200
+#define RQFCR_RJE		0x00000100
+#define RQFCR_AND		0x00000080
+#define RQFCR_CMP_EXACT		0x00000000
+#define RQFCR_CMP_MATCH		0x00000020
+#define RQFCR_CMP_NOEXACT	0x00000040
+#define RQFCR_CMP_NOMATCH	0x00000060
+
+/* RQFCR PID values */
+#define	RQFCR_PID_MASK		0x00000000
+#define	RQFCR_PID_PARSE		0x00000001
+#define	RQFCR_PID_ARB		0x00000002
+#define	RQFCR_PID_DAH		0x00000003
+#define	RQFCR_PID_DAL		0x00000004
+#define	RQFCR_PID_SAH		0x00000005
+#define	RQFCR_PID_SAL		0x00000006
+#define	RQFCR_PID_ETY		0x00000007
+#define	RQFCR_PID_VID		0x00000008
+#define	RQFCR_PID_PRI		0x00000009
+#define	RQFCR_PID_TOS		0x0000000A
+#define	RQFCR_PID_L4P		0x0000000B
+#define	RQFCR_PID_DIA		0x0000000C
+#define	RQFCR_PID_SIA		0x0000000D
+#define	RQFCR_PID_DPT		0x0000000E
+#define	RQFCR_PID_SPT		0x0000000F
+
+/* RQFPR when PID is 0x0001 */
+#define RQFPR_HDR_GE_512	0x00200000
+#define RQFPR_LERR		0x00100000
+#define RQFPR_RAR		0x00080000
+#define RQFPR_RARQ		0x00040000
+#define RQFPR_AR		0x00020000
+#define RQFPR_ARQ		0x00010000
+#define RQFPR_EBC		0x00008000
+#define RQFPR_VLN		0x00004000
+#define RQFPR_CFI		0x00002000
+#define RQFPR_JUM		0x00001000
+#define RQFPR_IPF		0x00000800
+#define RQFPR_FIF		0x00000400
+#define RQFPR_IPV4		0x00000200
+#define RQFPR_IPV6		0x00000100
+#define RQFPR_ICC		0x00000080
+#define RQFPR_ICV		0x00000040
+#define RQFPR_TCP		0x00000020
+#define RQFPR_UDP		0x00000010
+#define RQFPR_TUC		0x00000008
+#define RQFPR_TUV		0x00000004
+#define RQFPR_PER		0x00000002
+#define RQFPR_EER		0x00000001
+
 /* TxBD status field bits */
 #define TXBD_READY		0x8000
 #define TXBD_PADCRC		0x4000
@@ -959,6 +1037,8 @@ struct gfar_private {
 	unsigned int rx_stash_size;
 	unsigned int rx_stash_index;
 
+	u32 cur_filer_idx;
+
 	struct sk_buff_head rx_recycle;
 
 	struct vlan_group *vlgrp;
@@ -1002,6 +1082,9 @@ struct gfar_private {
 	struct gfar_extra_stats extra_stats;
 };
 
+extern unsigned int ftp_rqfpr[MAX_FILER_IDX + 1];
+extern unsigned int ftp_rqfcr[MAX_FILER_IDX + 1];
+
 static inline u32 gfar_read(volatile unsigned __iomem *addr)
 {
 	u32 val;
@@ -1014,6 +1097,16 @@ static inline void gfar_write(volatile unsigned __iomem *addr, u32 val)
 	out_be32(addr, val);
 }
 
+static inline void gfar_write_filer(struct gfar_private *priv,
+		unsigned int far, unsigned int fcr, unsigned int fpr)
+{
+	struct gfar __iomem *regs = priv->gfargrp[0].regs;
+
+	gfar_write(&regs->rqfar, far);
+	gfar_write(&regs->rqfcr, fcr);
+	gfar_write(&regs->rqfpr, fpr);
+}
+
 extern void lock_rx_qs(struct gfar_private *priv);
 extern void lock_tx_qs(struct gfar_private *priv);
 extern void unlock_rx_qs(struct gfar_private *priv);
diff --git a/drivers/net/gianfar_ethtool.c b/drivers/net/gianfar_ethtool.c
index 562f6c20f59..1010367695e 100644
--- a/drivers/net/gianfar_ethtool.c
+++ b/drivers/net/gianfar_ethtool.c
@@ -645,6 +645,241 @@ static int gfar_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
 }
 #endif
 
+static int gfar_ethflow_to_class(int flow_type, u64 *class)
+{
+	switch (flow_type) {
+	case TCP_V4_FLOW:
+		*class = CLASS_CODE_TCP_IPV4;
+		break;
+	case UDP_V4_FLOW:
+		*class = CLASS_CODE_UDP_IPV4;
+		break;
+	case AH_V4_FLOW:
+	case ESP_V4_FLOW:
+		*class = CLASS_CODE_AH_ESP_IPV4;
+		break;
+	case SCTP_V4_FLOW:
+		*class = CLASS_CODE_SCTP_IPV4;
+		break;
+	case TCP_V6_FLOW:
+		*class = CLASS_CODE_TCP_IPV6;
+		break;
+	case UDP_V6_FLOW:
+		*class = CLASS_CODE_UDP_IPV6;
+		break;
+	case AH_V6_FLOW:
+	case ESP_V6_FLOW:
+		*class = CLASS_CODE_AH_ESP_IPV6;
+		break;
+	case SCTP_V6_FLOW:
+		*class = CLASS_CODE_SCTP_IPV6;
+		break;
+	default:
+		return 0;
+	}
+
+	return 1;
+}
+
+static void ethflow_to_filer_rules (struct gfar_private *priv, u64 ethflow)
+{
+	u32 fcr = 0x0, fpr = FPR_FILER_MASK;
+
+	if (ethflow & RXH_L2DA) {
+		fcr = RQFCR_PID_DAH |RQFCR_CMP_NOMATCH |
+			RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0;
+		ftp_rqfpr[priv->cur_filer_idx] = fpr;
+		ftp_rqfcr[priv->cur_filer_idx] = fcr;
+		gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
+		priv->cur_filer_idx = priv->cur_filer_idx - 1;
+
+		fcr = RQFCR_PID_DAL | RQFCR_AND | RQFCR_CMP_NOMATCH |
+				RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0;
+		ftp_rqfpr[priv->cur_filer_idx] = fpr;
+		ftp_rqfcr[priv->cur_filer_idx] = fcr;
+		gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
+		priv->cur_filer_idx = priv->cur_filer_idx - 1;
+	}
+
+	if (ethflow & RXH_VLAN) {
+		fcr = RQFCR_PID_VID | RQFCR_CMP_NOMATCH | RQFCR_HASH |
+				RQFCR_AND | RQFCR_HASHTBL_0;
+		gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
+		ftp_rqfpr[priv->cur_filer_idx] = fpr;
+		ftp_rqfcr[priv->cur_filer_idx] = fcr;
+		priv->cur_filer_idx = priv->cur_filer_idx - 1;
+	}
+
+	if (ethflow & RXH_IP_SRC) {
+		fcr = RQFCR_PID_SIA | RQFCR_CMP_NOMATCH | RQFCR_HASH |
+			RQFCR_AND | RQFCR_HASHTBL_0;
+		ftp_rqfpr[priv->cur_filer_idx] = fpr;
+		ftp_rqfcr[priv->cur_filer_idx] = fcr;
+		gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
+		priv->cur_filer_idx = priv->cur_filer_idx - 1;
+	}
+
+	if (ethflow & (RXH_IP_DST)) {
+		fcr = RQFCR_PID_DIA | RQFCR_CMP_NOMATCH | RQFCR_HASH |
+			RQFCR_AND | RQFCR_HASHTBL_0;
+		ftp_rqfpr[priv->cur_filer_idx] = fpr;
+		ftp_rqfcr[priv->cur_filer_idx] = fcr;
+		gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
+		priv->cur_filer_idx = priv->cur_filer_idx - 1;
+	}
+
+	if (ethflow & RXH_L3_PROTO) {
+		fcr = RQFCR_PID_L4P | RQFCR_CMP_NOMATCH | RQFCR_HASH |
+			RQFCR_AND | RQFCR_HASHTBL_0;
+		ftp_rqfpr[priv->cur_filer_idx] = fpr;
+		ftp_rqfcr[priv->cur_filer_idx] = fcr;
+		gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
+		priv->cur_filer_idx = priv->cur_filer_idx - 1;
+	}
+
+	if (ethflow & RXH_L4_B_0_1) {
+		fcr = RQFCR_PID_SPT | RQFCR_CMP_NOMATCH | RQFCR_HASH |
+			RQFCR_AND | RQFCR_HASHTBL_0;
+		ftp_rqfpr[priv->cur_filer_idx] = fpr;
+		ftp_rqfcr[priv->cur_filer_idx] = fcr;
+		gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
+		priv->cur_filer_idx = priv->cur_filer_idx - 1;
+	}
+
+	if (ethflow & RXH_L4_B_2_3) {
+		fcr = RQFCR_PID_DPT | RQFCR_CMP_NOMATCH | RQFCR_HASH |
+			RQFCR_AND | RQFCR_HASHTBL_0;
+		ftp_rqfpr[priv->cur_filer_idx] = fpr;
+		ftp_rqfcr[priv->cur_filer_idx] = fcr;
+		gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
+		priv->cur_filer_idx = priv->cur_filer_idx - 1;
+	}
+}
+
+static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow, u64 class)
+{
+	unsigned int last_rule_idx = priv->cur_filer_idx;
+	unsigned int cmp_rqfpr;
+	unsigned int local_rqfpr[MAX_FILER_IDX + 1];
+	unsigned int local_rqfcr[MAX_FILER_IDX + 1];
+	int i = 0x0, k = 0x0;
+	int j = MAX_FILER_IDX, l = 0x0;
+
+	switch (class) {
+	case TCP_V4_FLOW:
+		cmp_rqfpr = RQFPR_IPV4 |RQFPR_TCP;
+		break;
+	case UDP_V4_FLOW:
+		cmp_rqfpr = RQFPR_IPV4 |RQFPR_UDP;
+		break;
+	case TCP_V6_FLOW:
+		cmp_rqfpr = RQFPR_IPV6 |RQFPR_TCP;
+		break;
+	case UDP_V6_FLOW:
+		cmp_rqfpr = RQFPR_IPV6 |RQFPR_UDP;
+		break;
+	case IPV4_FLOW:
+		cmp_rqfpr = RQFPR_IPV4;
+	case IPV6_FLOW:
+		cmp_rqfpr = RQFPR_IPV6;
+		break;
+	default:
+		printk(KERN_ERR "Right now this class is not supported\n");
+		return 0;
+	}
+
+	for (i = 0; i < MAX_FILER_IDX + 1; i++) {
+		local_rqfpr[j] = ftp_rqfpr[i];
+		local_rqfcr[j] = ftp_rqfcr[i];
+		j--;
+		if ((ftp_rqfcr[i] == (RQFCR_PID_PARSE |
+			RQFCR_CLE |RQFCR_AND)) &&
+			(ftp_rqfpr[i] == cmp_rqfpr))
+			break;
+	}
+
+	if (i == MAX_FILER_IDX + 1) {
+		printk(KERN_ERR "No parse rule found, ");
+		printk(KERN_ERR "can't create hash rules\n");
+		return 0;
+	}
+
+	/* If a match was found, then it begins the starting of a cluster rule
+	 * if it was already programmed, we need to overwrite these rules
+	 */
+	for (l = i+1; l < MAX_FILER_IDX; l++) {
+		if ((ftp_rqfcr[l] & RQFCR_CLE) &&
+			!(ftp_rqfcr[l] & RQFCR_AND)) {
+			ftp_rqfcr[l] = RQFCR_CLE | RQFCR_CMP_EXACT |
+				RQFCR_HASHTBL_0 | RQFCR_PID_MASK;
+			ftp_rqfpr[l] = FPR_FILER_MASK;
+			gfar_write_filer(priv, l, ftp_rqfcr[l], ftp_rqfpr[l]);
+			break;
+		}
+
+		if (!(ftp_rqfcr[l] & RQFCR_CLE) && (ftp_rqfcr[l] & RQFCR_AND))
+			continue;
+		else {
+			local_rqfpr[j] = ftp_rqfpr[l];
+			local_rqfcr[j] = ftp_rqfcr[l];
+			j--;
+		}
+	}
+
+	priv->cur_filer_idx = l - 1;
+	last_rule_idx = l;
+
+	/* hash rules */
+	ethflow_to_filer_rules(priv, ethflow);
+
+	/* Write back the popped out rules again */
+	for (k = j+1; k < MAX_FILER_IDX; k++) {
+		ftp_rqfpr[priv->cur_filer_idx] = local_rqfpr[k];
+		ftp_rqfcr[priv->cur_filer_idx] = local_rqfcr[k];
+		gfar_write_filer(priv, priv->cur_filer_idx,
+				local_rqfcr[k], local_rqfpr[k]);
+		if (!priv->cur_filer_idx)
+			break;
+		priv->cur_filer_idx = priv->cur_filer_idx - 1;
+	}
+
+	return 1;
+}
+
+static int gfar_set_hash_opts(struct gfar_private *priv, struct ethtool_rxnfc *cmd)
+{
+	u64 class;
+
+	if (!gfar_ethflow_to_class(cmd->flow_type, &class))
+		return -EINVAL;
+
+	if (class < CLASS_CODE_USER_PROG1 ||
+			class > CLASS_CODE_SCTP_IPV6)
+		return -EINVAL;
+
+	/* write the filer rules here */
+	if (!gfar_ethflow_to_filer_table(priv, cmd->data, cmd->flow_type))
+		return -1;
+
+	return 0;
+}
+
+static int gfar_set_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
+{
+	struct gfar_private *priv = netdev_priv(dev);
+	int ret = 0;
+
+	switch(cmd->cmd) {
+	case ETHTOOL_SRXFH:
+		ret = gfar_set_hash_opts(priv, cmd);
+		break;
+	default:
+		ret = -EINVAL;
+	}
+
+	return ret;
+}
+
 const struct ethtool_ops gfar_ethtool_ops = {
 	.get_settings = gfar_gsettings,
 	.set_settings = gfar_ssettings,
@@ -670,4 +905,5 @@ const struct ethtool_ops gfar_ethtool_ops = {
 	.get_wol = gfar_get_wol,
 	.set_wol = gfar_set_wol,
 #endif
+	.set_rxnfc = gfar_set_nfc,
 };
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index eb1a48da2d4..edd03b79e8f 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -674,6 +674,8 @@ struct ethtool_ops {
 #define	AH_V6_FLOW	0x0b
 #define	ESP_V6_FLOW	0x0c
 #define	IP_USER_FLOW	0x0d
+#define IPV4_FLOW       0x10
+#define IPV6_FLOW       0x11
 
 /* L3-L4 network traffic flow hash options */
 #define	RXH_L2DA	(1 << 1)
-- 
GitLab


From c6a2dbbadee65345a226aa15a9cbe5b70ae912e7 Mon Sep 17 00:00:00 2001
From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Mon, 2 Nov 2009 04:34:46 +0000
Subject: [PATCH 0860/1815] tc35815: Kill non-napi code

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tc35815.c | 68 +------------------------------------------
 1 file changed, 1 insertion(+), 67 deletions(-)

diff --git a/drivers/net/tc35815.c b/drivers/net/tc35815.c
index 0d621ca5e27..803eb64ffcc 100644
--- a/drivers/net/tc35815.c
+++ b/drivers/net/tc35815.c
@@ -22,12 +22,7 @@
  * All Rights Reserved.
  */
 
-#define TC35815_NAPI
-#ifdef TC35815_NAPI
-#define DRV_VERSION	"1.38-NAPI"
-#else
-#define DRV_VERSION	"1.38"
-#endif
+#define DRV_VERSION	"1.39"
 static const char *version = "tc35815.c:v" DRV_VERSION "\n";
 #define MODNAME			"tc35815"
 
@@ -563,12 +558,8 @@ static void free_rxbuf_skb(struct pci_dev *hwdev, struct sk_buff *skb, dma_addr_
 static int	tc35815_open(struct net_device *dev);
 static int	tc35815_send_packet(struct sk_buff *skb, struct net_device *dev);
 static irqreturn_t	tc35815_interrupt(int irq, void *dev_id);
-#ifdef TC35815_NAPI
 static int	tc35815_rx(struct net_device *dev, int limit);
 static int	tc35815_poll(struct napi_struct *napi, int budget);
-#else
-static void	tc35815_rx(struct net_device *dev);
-#endif
 static void	tc35815_txdone(struct net_device *dev);
 static int	tc35815_close(struct net_device *dev);
 static struct	net_device_stats *tc35815_get_stats(struct net_device *dev);
@@ -924,9 +915,7 @@ static int __devinit tc35815_init_one(struct pci_dev *pdev,
 	dev->netdev_ops = &tc35815_netdev_ops;
 	dev->ethtool_ops = &tc35815_ethtool_ops;
 	dev->watchdog_timeo = TC35815_TX_TIMEOUT;
-#ifdef TC35815_NAPI
 	netif_napi_add(dev, &lp->napi, tc35815_poll, NAPI_WEIGHT);
-#endif
 
 	dev->irq = pdev->irq;
 	dev->base_addr = (unsigned long)ioaddr;
@@ -1401,9 +1390,7 @@ tc35815_open(struct net_device *dev)
 		return -EAGAIN;
 	}
 
-#ifdef TC35815_NAPI
 	napi_enable(&lp->napi);
-#endif
 
 	/* Reset the hardware here. Don't forget to set the station address. */
 	spin_lock_irq(&lp->lock);
@@ -1537,11 +1524,7 @@ static void tc35815_fatal_error_interrupt(struct net_device *dev, u32 status)
 	tc35815_schedule_restart(dev);
 }
 
-#ifdef TC35815_NAPI
 static int tc35815_do_interrupt(struct net_device *dev, u32 status, int limit)
-#else
-static int tc35815_do_interrupt(struct net_device *dev, u32 status)
-#endif
 {
 	struct tc35815_local *lp = netdev_priv(dev);
 	int ret = -1;
@@ -1580,12 +1563,7 @@ static int tc35815_do_interrupt(struct net_device *dev, u32 status)
 	/* normal notification */
 	if (status & Int_IntMacRx) {
 		/* Got a packet(s). */
-#ifdef TC35815_NAPI
 		ret = tc35815_rx(dev, limit);
-#else
-		tc35815_rx(dev);
-		ret = 0;
-#endif
 		lp->lstats.rx_ints++;
 	}
 	if (status & Int_IntMacTx) {
@@ -1593,12 +1571,8 @@ static int tc35815_do_interrupt(struct net_device *dev, u32 status)
 		lp->lstats.tx_ints++;
 		tc35815_txdone(dev);
 		netif_wake_queue(dev);
-#ifdef TC35815_NAPI
 		if (ret < 0)
 			ret = 0;
-#else
-		ret = 0;
-#endif
 	}
 	return ret;
 }
@@ -1613,7 +1587,6 @@ static irqreturn_t tc35815_interrupt(int irq, void *dev_id)
 	struct tc35815_local *lp = netdev_priv(dev);
 	struct tc35815_regs __iomem *tr =
 		(struct tc35815_regs __iomem *)dev->base_addr;
-#ifdef TC35815_NAPI
 	u32 dmactl = tc_readl(&tr->DMA_Ctl);
 
 	if (!(dmactl & DMA_IntMask)) {
@@ -1630,22 +1603,6 @@ static irqreturn_t tc35815_interrupt(int irq, void *dev_id)
 		return IRQ_HANDLED;
 	}
 	return IRQ_NONE;
-#else
-	int handled;
-	u32 status;
-
-	spin_lock(&lp->lock);
-	status = tc_readl(&tr->Int_Src);
-	/* BLEx, FDAEx will be cleared later */
-	tc_writel(status & ~(Int_BLEx | Int_FDAEx),
-		  &tr->Int_Src);	/* write to clear */
-	handled = tc35815_do_interrupt(dev, status);
-	if (status & (Int_BLEx | Int_FDAEx))
-		tc_writel(status & (Int_BLEx | Int_FDAEx), &tr->Int_Src);
-	(void)tc_readl(&tr->Int_Src);	/* flush */
-	spin_unlock(&lp->lock);
-	return IRQ_RETVAL(handled >= 0);
-#endif /* TC35815_NAPI */
 }
 
 #ifdef CONFIG_NET_POLL_CONTROLLER
@@ -1658,20 +1615,13 @@ static void tc35815_poll_controller(struct net_device *dev)
 #endif
 
 /* We have a good packet(s), get it/them out of the buffers. */
-#ifdef TC35815_NAPI
 static int
 tc35815_rx(struct net_device *dev, int limit)
-#else
-static void
-tc35815_rx(struct net_device *dev)
-#endif
 {
 	struct tc35815_local *lp = netdev_priv(dev);
 	unsigned int fdctl;
 	int i;
-#ifdef TC35815_NAPI
 	int received = 0;
-#endif
 
 	while (!((fdctl = le32_to_cpu(lp->rfd_cur->fd.FDCtl)) & FD_CownsFD)) {
 		int status = le32_to_cpu(lp->rfd_cur->fd.FDStat);
@@ -1694,10 +1644,8 @@ tc35815_rx(struct net_device *dev)
 			int offset;
 #endif
 
-#ifdef TC35815_NAPI
 			if (--limit < 0)
 				break;
-#endif
 #ifdef TC35815_USE_PACKEDBUFFER
 			BUG_ON(bd_count > 2);
 			skb = dev_alloc_skb(pkt_len + NET_IP_ALIGN);
@@ -1767,12 +1715,8 @@ tc35815_rx(struct net_device *dev)
 			if (netif_msg_pktdata(lp))
 				print_eth(data);
 			skb->protocol = eth_type_trans(skb, dev);
-#ifdef TC35815_NAPI
 			netif_receive_skb(skb);
 			received++;
-#else
-			netif_rx(skb);
-#endif
 			dev->stats.rx_packets++;
 			dev->stats.rx_bytes += pkt_len;
 		} else {
@@ -1888,12 +1832,9 @@ tc35815_rx(struct net_device *dev)
 #endif
 	}
 
-#ifdef TC35815_NAPI
 	return received;
-#endif
 }
 
-#ifdef TC35815_NAPI
 static int tc35815_poll(struct napi_struct *napi, int budget)
 {
 	struct tc35815_local *lp = container_of(napi, struct tc35815_local, napi);
@@ -1930,7 +1871,6 @@ static int tc35815_poll(struct napi_struct *napi, int budget)
 	}
 	return received;
 }
-#endif
 
 #ifdef NO_CHECK_CARRIER
 #define TX_STA_ERR	(Tx_ExColl|Tx_Under|Tx_Defer|Tx_LateColl|Tx_TxPar|Tx_SQErr)
@@ -2050,11 +1990,7 @@ tc35815_txdone(struct net_device *dev)
 			pci_unmap_single(lp->pci_dev, lp->tx_skbs[lp->tfd_end].skb_dma, skb->len, PCI_DMA_TODEVICE);
 			lp->tx_skbs[lp->tfd_end].skb = NULL;
 			lp->tx_skbs[lp->tfd_end].skb_dma = 0;
-#ifdef TC35815_NAPI
 			dev_kfree_skb_any(skb);
-#else
-			dev_kfree_skb_irq(skb);
-#endif
 		}
 		txfd->fd.FDSystem = cpu_to_le32(0xffffffff);
 
@@ -2118,9 +2054,7 @@ tc35815_close(struct net_device *dev)
 	struct tc35815_local *lp = netdev_priv(dev);
 
 	netif_stop_queue(dev);
-#ifdef TC35815_NAPI
 	napi_disable(&lp->napi);
-#endif
 	if (lp->phy_dev)
 		phy_stop(lp->phy_dev);
 	cancel_work_sync(&lp->restart_work);
-- 
GitLab


From a02b7b7a138c7b1bc08e0e749ecbb613eadb6d41 Mon Sep 17 00:00:00 2001
From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Mon, 2 Nov 2009 04:34:47 +0000
Subject: [PATCH 0861/1815] tc35815: Kill unused code

- TC35815_DMA_SYNC_ONDEMAND is always enabled.
- WORKAROUND_LOSTCAR is always enabled.
- WORKAROUND_100HALF_PROMISC is always enabled.
- GATHER_TXINT is always enabled.
- TC35815_USE_PACKEDBUFFER is always disabled.
- NO_CHECK_CARRIER is always disabled.

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tc35815.c | 224 +-----------------------------------------
 1 file changed, 3 insertions(+), 221 deletions(-)

diff --git a/drivers/net/tc35815.c b/drivers/net/tc35815.c
index 803eb64ffcc..6572e8a5452 100644
--- a/drivers/net/tc35815.c
+++ b/drivers/net/tc35815.c
@@ -50,13 +50,6 @@ static const char *version = "tc35815.c:v" DRV_VERSION "\n";
 #include <asm/io.h>
 #include <asm/byteorder.h>
 
-/* First, a few definitions that the brave might change. */
-
-#define GATHER_TXINT	/* On-Demand Tx Interrupt */
-#define WORKAROUND_LOSTCAR
-#define WORKAROUND_100HALF_PROMISC
-/* #define TC35815_USE_PACKEDBUFFER */
-
 enum tc35815_chiptype {
 	TC35815CF = 0,
 	TC35815_NWU,
@@ -326,17 +319,10 @@ struct BDesc {
 
 
 /* Some useful constants. */
-#undef NO_CHECK_CARRIER	/* Does not check No-Carrier with TP */
 
-#ifdef NO_CHECK_CARRIER
-#define TX_CTL_CMD	(Tx_EnComp | Tx_EnTxPar | Tx_EnLateColl | \
-	Tx_EnExColl | Tx_EnExDefer | Tx_EnUnder | \
-	Tx_En)	/* maybe  0x7b01 */
-#else
-#define TX_CTL_CMD	(Tx_EnComp | Tx_EnTxPar | Tx_EnLateColl | \
+#define TX_CTL_CMD	(Tx_EnTxPar | Tx_EnLateColl | \
 	Tx_EnExColl | Tx_EnLCarr | Tx_EnExDefer | Tx_EnUnder | \
 	Tx_En)	/* maybe  0x7b01 */
-#endif
 /* Do not use Rx_StripCRC -- it causes trouble on BLEx/FDAEx condition */
 #define RX_CTL_CMD	(Rx_EnGood | Rx_EnRxPar | Rx_EnLongErr | Rx_EnOver \
 	| Rx_EnCRCErr | Rx_EnAlign | Rx_RxEn) /* maybe 0x6f01 */
@@ -357,13 +343,6 @@ struct BDesc {
 #define TX_THRESHOLD_KEEP_LIMIT 10
 
 /* 16 + RX_BUF_NUM * 8 + RX_FD_NUM * 16 + TX_FD_NUM * 32 <= PAGE_SIZE*FD_PAGE_NUM */
-#ifdef TC35815_USE_PACKEDBUFFER
-#define FD_PAGE_NUM 2
-#define RX_BUF_NUM	8	/* >= 2 */
-#define RX_FD_NUM	250	/* >= 32 */
-#define TX_FD_NUM	128
-#define RX_BUF_SIZE	PAGE_SIZE
-#else /* TC35815_USE_PACKEDBUFFER */
 #define FD_PAGE_NUM 4
 #define RX_BUF_NUM	128	/* < 256 */
 #define RX_FD_NUM	256	/* >= 32 */
@@ -377,7 +356,6 @@ struct BDesc {
 #define RX_BUF_SIZE	\
 	L1_CACHE_ALIGN(ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN + NET_IP_ALIGN)
 #endif
-#endif /* TC35815_USE_PACKEDBUFFER */
 #define RX_FD_RESERVE	(2 / 2)	/* max 2 BD per RxFD */
 #define NAPI_WEIGHT	16
 
@@ -435,11 +413,7 @@ struct tc35815_local {
 	/*
 	 * Transmitting: Batch Mode.
 	 *	1 BD in 1 TxFD.
-	 * Receiving: Packing Mode. (TC35815_USE_PACKEDBUFFER)
-	 *	1 circular FD for Free Buffer List.
-	 *	RX_BUF_NUM BD in Free Buffer FD.
-	 *	One Free Buffer BD has PAGE_SIZE data buffer.
-	 * Or Non-Packing Mode.
+	 * Receiving: Non-Packing Mode.
 	 *	1 circular FD for Free Buffer List.
 	 *	RX_BUF_NUM BD in Free Buffer FD.
 	 *	One Free Buffer BD has ETH_FRAME_LEN data buffer.
@@ -453,21 +427,11 @@ struct tc35815_local {
 	struct RxFD *rfd_limit;
 	struct RxFD *rfd_cur;
 	struct FrFD *fbl_ptr;
-#ifdef TC35815_USE_PACKEDBUFFER
-	unsigned char fbl_curid;
-	void *data_buf[RX_BUF_NUM];		/* packing */
-	dma_addr_t data_buf_dma[RX_BUF_NUM];
-	struct {
-		struct sk_buff *skb;
-		dma_addr_t skb_dma;
-	} tx_skbs[TX_FD_NUM];
-#else
 	unsigned int fbl_count;
 	struct {
 		struct sk_buff *skb;
 		dma_addr_t skb_dma;
 	} tx_skbs[TX_FD_NUM], rx_skbs[RX_BUF_NUM];
-#endif
 	u32 msg_enable;
 	enum tc35815_chiptype chiptype;
 };
@@ -482,51 +446,6 @@ static inline void *fd_bus_to_virt(struct tc35815_local *lp, dma_addr_t bus)
 	return (void *)((u8 *)lp->fd_buf + (bus - lp->fd_buf_dma));
 }
 #endif
-#ifdef TC35815_USE_PACKEDBUFFER
-static inline void *rxbuf_bus_to_virt(struct tc35815_local *lp, dma_addr_t bus)
-{
-	int i;
-	for (i = 0; i < RX_BUF_NUM; i++) {
-		if (bus >= lp->data_buf_dma[i] &&
-		    bus < lp->data_buf_dma[i] + PAGE_SIZE)
-			return (void *)((u8 *)lp->data_buf[i] +
-					(bus - lp->data_buf_dma[i]));
-	}
-	return NULL;
-}
-
-#define TC35815_DMA_SYNC_ONDEMAND
-static void *alloc_rxbuf_page(struct pci_dev *hwdev, dma_addr_t *dma_handle)
-{
-#ifdef TC35815_DMA_SYNC_ONDEMAND
-	void *buf;
-	/* pci_map + pci_dma_sync will be more effective than
-	 * pci_alloc_consistent on some archs. */
-	buf = (void *)__get_free_page(GFP_ATOMIC);
-	if (!buf)
-		return NULL;
-	*dma_handle = pci_map_single(hwdev, buf, PAGE_SIZE,
-				     PCI_DMA_FROMDEVICE);
-	if (pci_dma_mapping_error(hwdev, *dma_handle)) {
-		free_page((unsigned long)buf);
-		return NULL;
-	}
-	return buf;
-#else
-	return pci_alloc_consistent(hwdev, PAGE_SIZE, dma_handle);
-#endif
-}
-
-static void free_rxbuf_page(struct pci_dev *hwdev, void *buf, dma_addr_t dma_handle)
-{
-#ifdef TC35815_DMA_SYNC_ONDEMAND
-	pci_unmap_single(hwdev, dma_handle, PAGE_SIZE, PCI_DMA_FROMDEVICE);
-	free_page((unsigned long)buf);
-#else
-	pci_free_consistent(hwdev, PAGE_SIZE, buf, dma_handle);
-#endif
-}
-#else /* TC35815_USE_PACKEDBUFFER */
 static struct sk_buff *alloc_rxbuf_skb(struct net_device *dev,
 				       struct pci_dev *hwdev,
 				       dma_addr_t *dma_handle)
@@ -551,7 +470,6 @@ static void free_rxbuf_skb(struct pci_dev *hwdev, struct sk_buff *skb, dma_addr_
 			 PCI_DMA_FROMDEVICE);
 	dev_kfree_skb_any(skb);
 }
-#endif /* TC35815_USE_PACKEDBUFFER */
 
 /* Index to functions, as function prototypes. */
 
@@ -646,8 +564,6 @@ static void tc_handle_link_change(struct net_device *dev)
 		 * TX4939 PCFG.SPEEDn bit will be changed on
 		 * NETDEV_CHANGE event.
 		 */
-
-#if !defined(NO_CHECK_CARRIER) && defined(WORKAROUND_LOSTCAR)
 		/*
 		 * WORKAROUND: enable LostCrS only if half duplex
 		 * operation.
@@ -657,7 +573,6 @@ static void tc_handle_link_change(struct net_device *dev)
 		    lp->chiptype != TC35815_TX4939)
 			tc_writel(tc_readl(&tr->Tx_Ctl) | Tx_EnLCarr,
 				  &tr->Tx_Ctl);
-#endif
 
 		lp->speed = phydev->speed;
 		lp->duplex = phydev->duplex;
@@ -666,11 +581,9 @@ static void tc_handle_link_change(struct net_device *dev)
 
 	if (phydev->link != lp->link) {
 		if (phydev->link) {
-#ifdef WORKAROUND_100HALF_PROMISC
 			/* delayed promiscuous enabling */
 			if (dev->flags & IFF_PROMISC)
 				tc35815_set_multicast_list(dev);
-#endif
 		} else {
 			lp->speed = 0;
 			lp->duplex = -1;
@@ -997,25 +910,6 @@ tc35815_init_queues(struct net_device *dev)
 		if (!lp->fd_buf)
 			return -ENOMEM;
 		for (i = 0; i < RX_BUF_NUM; i++) {
-#ifdef TC35815_USE_PACKEDBUFFER
-			lp->data_buf[i] =
-				alloc_rxbuf_page(lp->pci_dev,
-						 &lp->data_buf_dma[i]);
-			if (!lp->data_buf[i]) {
-				while (--i >= 0) {
-					free_rxbuf_page(lp->pci_dev,
-							lp->data_buf[i],
-							lp->data_buf_dma[i]);
-					lp->data_buf[i] = NULL;
-				}
-				pci_free_consistent(lp->pci_dev,
-						    PAGE_SIZE * FD_PAGE_NUM,
-						    lp->fd_buf,
-						    lp->fd_buf_dma);
-				lp->fd_buf = NULL;
-				return -ENOMEM;
-			}
-#else
 			lp->rx_skbs[i].skb =
 				alloc_rxbuf_skb(dev, lp->pci_dev,
 						&lp->rx_skbs[i].skb_dma);
@@ -1033,15 +927,9 @@ tc35815_init_queues(struct net_device *dev)
 				lp->fd_buf = NULL;
 				return -ENOMEM;
 			}
-#endif
 		}
 		printk(KERN_DEBUG "%s: FD buf %p DataBuf",
 		       dev->name, lp->fd_buf);
-#ifdef TC35815_USE_PACKEDBUFFER
-		printk(" DataBuf");
-		for (i = 0; i < RX_BUF_NUM; i++)
-			printk(" %p", lp->data_buf[i]);
-#endif
 		printk("\n");
 	} else {
 		for (i = 0; i < FD_PAGE_NUM; i++)
@@ -1074,7 +962,6 @@ tc35815_init_queues(struct net_device *dev)
 	lp->fbl_ptr = (struct FrFD *)fd_addr;
 	lp->fbl_ptr->fd.FDNext = cpu_to_le32(fd_virt_to_bus(lp, lp->fbl_ptr));
 	lp->fbl_ptr->fd.FDCtl = cpu_to_le32(RX_BUF_NUM | FD_CownsFD);
-#ifndef TC35815_USE_PACKEDBUFFER
 	/*
 	 * move all allocated skbs to head of rx_skbs[] array.
 	 * fbl_count mighe not be RX_BUF_NUM if alloc_rxbuf_skb() in
@@ -1092,11 +979,7 @@ tc35815_init_queues(struct net_device *dev)
 			lp->fbl_count++;
 		}
 	}
-#endif
 	for (i = 0; i < RX_BUF_NUM; i++) {
-#ifdef TC35815_USE_PACKEDBUFFER
-		lp->fbl_ptr->bd[i].BuffData = cpu_to_le32(lp->data_buf_dma[i]);
-#else
 		if (i >= lp->fbl_count) {
 			lp->fbl_ptr->bd[i].BuffData = 0;
 			lp->fbl_ptr->bd[i].BDCtl = 0;
@@ -1104,15 +987,11 @@ tc35815_init_queues(struct net_device *dev)
 		}
 		lp->fbl_ptr->bd[i].BuffData =
 			cpu_to_le32(lp->rx_skbs[i].skb_dma);
-#endif
 		/* BDID is index of FrFD.bd[] */
 		lp->fbl_ptr->bd[i].BDCtl =
 			cpu_to_le32(BD_CownsBD | (i << BD_RxBDID_SHIFT) |
 				    RX_BUF_SIZE);
 	}
-#ifdef TC35815_USE_PACKEDBUFFER
-	lp->fbl_curid = 0;
-#endif
 
 	printk(KERN_DEBUG "%s: TxFD %p RxFD %p FrFD %p\n",
 	       dev->name, lp->tfd_base, lp->rfd_base, lp->fbl_ptr);
@@ -1186,19 +1065,11 @@ tc35815_free_queues(struct net_device *dev)
 	lp->fbl_ptr = NULL;
 
 	for (i = 0; i < RX_BUF_NUM; i++) {
-#ifdef TC35815_USE_PACKEDBUFFER
-		if (lp->data_buf[i]) {
-			free_rxbuf_page(lp->pci_dev,
-					lp->data_buf[i], lp->data_buf_dma[i]);
-			lp->data_buf[i] = NULL;
-		}
-#else
 		if (lp->rx_skbs[i].skb) {
 			free_rxbuf_skb(lp->pci_dev, lp->rx_skbs[i].skb,
 				       lp->rx_skbs[i].skb_dma);
 			lp->rx_skbs[i].skb = NULL;
 		}
-#endif
 	}
 	if (lp->fd_buf) {
 		pci_free_consistent(lp->pci_dev, PAGE_SIZE * FD_PAGE_NUM,
@@ -1244,7 +1115,7 @@ dump_rxfd(struct RxFD *fd)
 	return bd_count;
 }
 
-#if defined(DEBUG) || defined(TC35815_USE_PACKEDBUFFER)
+#ifdef DEBUG
 static void
 dump_frfd(struct FrFD *fd)
 {
@@ -1261,9 +1132,7 @@ dump_frfd(struct FrFD *fd)
 		       le32_to_cpu(fd->bd[i].BDCtl));
 	printk("\n");
 }
-#endif
 
-#ifdef DEBUG
 static void
 panic_queues(struct net_device *dev)
 {
@@ -1466,9 +1335,7 @@ static int tc35815_send_packet(struct sk_buff *skb, struct net_device *dev)
 			(struct tc35815_regs __iomem *)dev->base_addr;
 		/* Start DMA Transmitter. */
 		txfd->fd.FDNext |= cpu_to_le32(FD_Next_EOL);
-#ifdef GATHER_TXINT
 		txfd->fd.FDCtl |= cpu_to_le32(FD_FrmOpt_IntTx);
-#endif
 		if (netif_msg_tx_queued(lp)) {
 			printk("%s: starting TxFD.\n", dev->name);
 			dump_txfd(txfd);
@@ -1640,50 +1507,9 @@ tc35815_rx(struct net_device *dev, int limit)
 			struct sk_buff *skb;
 			unsigned char *data;
 			int cur_bd;
-#ifdef TC35815_USE_PACKEDBUFFER
-			int offset;
-#endif
 
 			if (--limit < 0)
 				break;
-#ifdef TC35815_USE_PACKEDBUFFER
-			BUG_ON(bd_count > 2);
-			skb = dev_alloc_skb(pkt_len + NET_IP_ALIGN);
-			if (skb == NULL) {
-				printk(KERN_NOTICE "%s: Memory squeeze, dropping packet.\n",
-				       dev->name);
-				dev->stats.rx_dropped++;
-				break;
-			}
-			skb_reserve(skb, NET_IP_ALIGN);
-
-			data = skb_put(skb, pkt_len);
-
-			/* copy from receive buffer */
-			cur_bd = 0;
-			offset = 0;
-			while (offset < pkt_len && cur_bd < bd_count) {
-				int len = le32_to_cpu(lp->rfd_cur->bd[cur_bd].BDCtl) &
-					BD_BuffLength_MASK;
-				dma_addr_t dma = le32_to_cpu(lp->rfd_cur->bd[cur_bd].BuffData);
-				void *rxbuf = rxbuf_bus_to_virt(lp, dma);
-				if (offset + len > pkt_len)
-					len = pkt_len - offset;
-#ifdef TC35815_DMA_SYNC_ONDEMAND
-				pci_dma_sync_single_for_cpu(lp->pci_dev,
-							    dma, len,
-							    PCI_DMA_FROMDEVICE);
-#endif
-				memcpy(data + offset, rxbuf, len);
-#ifdef TC35815_DMA_SYNC_ONDEMAND
-				pci_dma_sync_single_for_device(lp->pci_dev,
-							       dma, len,
-							       PCI_DMA_FROMDEVICE);
-#endif
-				offset += len;
-				cur_bd++;
-			}
-#else /* TC35815_USE_PACKEDBUFFER */
 			BUG_ON(bd_count > 1);
 			cur_bd = (le32_to_cpu(lp->rfd_cur->bd[0].BDCtl)
 				  & BD_RxBDID_MASK) >> BD_RxBDID_SHIFT;
@@ -1711,7 +1537,6 @@ tc35815_rx(struct net_device *dev, int limit)
 				memmove(skb->data, skb->data - NET_IP_ALIGN,
 					pkt_len);
 			data = skb_put(skb, pkt_len);
-#endif /* TC35815_USE_PACKEDBUFFER */
 			if (netif_msg_pktdata(lp))
 				print_eth(data);
 			skb->protocol = eth_type_trans(skb, dev);
@@ -1753,19 +1578,11 @@ tc35815_rx(struct net_device *dev, int limit)
 			BUG_ON(id >= RX_BUF_NUM);
 #endif
 			/* free old buffers */
-#ifdef TC35815_USE_PACKEDBUFFER
-			while (lp->fbl_curid != id)
-#else
 			lp->fbl_count--;
 			while (lp->fbl_count < RX_BUF_NUM)
-#endif
 			{
-#ifdef TC35815_USE_PACKEDBUFFER
-				unsigned char curid = lp->fbl_curid;
-#else
 				unsigned char curid =
 					(id + 1 + lp->fbl_count) % RX_BUF_NUM;
-#endif
 				struct BDesc *bd = &lp->fbl_ptr->bd[curid];
 #ifdef DEBUG
 				bdctl = le32_to_cpu(bd->BDCtl);
@@ -1776,7 +1593,6 @@ tc35815_rx(struct net_device *dev, int limit)
 				}
 #endif
 				/* pass BD to controller */
-#ifndef TC35815_USE_PACKEDBUFFER
 				if (!lp->rx_skbs[curid].skb) {
 					lp->rx_skbs[curid].skb =
 						alloc_rxbuf_skb(dev,
@@ -1786,21 +1602,11 @@ tc35815_rx(struct net_device *dev, int limit)
 						break; /* try on next reception */
 					bd->BuffData = cpu_to_le32(lp->rx_skbs[curid].skb_dma);
 				}
-#endif /* TC35815_USE_PACKEDBUFFER */
 				/* Note: BDLength was modified by chip. */
 				bd->BDCtl = cpu_to_le32(BD_CownsBD |
 							(curid << BD_RxBDID_SHIFT) |
 							RX_BUF_SIZE);
-#ifdef TC35815_USE_PACKEDBUFFER
-				lp->fbl_curid = (curid + 1) % RX_BUF_NUM;
-				if (netif_msg_rx_status(lp)) {
-					printk("%s: Entering new FBD %d\n",
-					       dev->name, lp->fbl_curid);
-					dump_frfd(lp->fbl_ptr);
-				}
-#else
 				lp->fbl_count++;
-#endif
 			}
 		}
 
@@ -1872,11 +1678,7 @@ static int tc35815_poll(struct napi_struct *napi, int budget)
 	return received;
 }
 
-#ifdef NO_CHECK_CARRIER
-#define TX_STA_ERR	(Tx_ExColl|Tx_Under|Tx_Defer|Tx_LateColl|Tx_TxPar|Tx_SQErr)
-#else
 #define TX_STA_ERR	(Tx_ExColl|Tx_Under|Tx_Defer|Tx_NCarr|Tx_LateColl|Tx_TxPar|Tx_SQErr)
-#endif
 
 static void
 tc35815_check_tx_stat(struct net_device *dev, int status)
@@ -1890,16 +1692,12 @@ tc35815_check_tx_stat(struct net_device *dev, int status)
 	if (status & Tx_TxColl_MASK)
 		dev->stats.collisions += status & Tx_TxColl_MASK;
 
-#ifndef NO_CHECK_CARRIER
 	/* TX4939 does not have NCarr */
 	if (lp->chiptype == TC35815_TX4939)
 		status &= ~Tx_NCarr;
-#ifdef WORKAROUND_LOSTCAR
 	/* WORKAROUND: ignore LostCrS in full duplex operation */
 	if (!lp->link || lp->duplex == DUPLEX_FULL)
 		status &= ~Tx_NCarr;
-#endif
-#endif
 
 	if (!(status & TX_STA_ERR)) {
 		/* no error. */
@@ -1929,12 +1727,10 @@ tc35815_check_tx_stat(struct net_device *dev, int status)
 		dev->stats.tx_fifo_errors++;
 		msg = "Excessive Deferral.";
 	}
-#ifndef NO_CHECK_CARRIER
 	if (status & Tx_NCarr) {
 		dev->stats.tx_carrier_errors++;
 		msg = "Lost Carrier Sense.";
 	}
-#endif
 	if (status & Tx_LateColl) {
 		dev->stats.tx_aborted_errors++;
 		msg = "Late Collision.";
@@ -2025,9 +1821,7 @@ tc35815_txdone(struct net_device *dev)
 
 				/* start DMA Transmitter again */
 				txhead->fd.FDNext |= cpu_to_le32(FD_Next_EOL);
-#ifdef GATHER_TXINT
 				txhead->fd.FDCtl |= cpu_to_le32(FD_FrmOpt_IntTx);
-#endif
 				if (netif_msg_tx_queued(lp)) {
 					printk("%s: start TxFD on queue.\n",
 					       dev->name);
@@ -2138,14 +1932,12 @@ tc35815_set_multicast_list(struct net_device *dev)
 		(struct tc35815_regs __iomem *)dev->base_addr;
 
 	if (dev->flags & IFF_PROMISC) {
-#ifdef WORKAROUND_100HALF_PROMISC
 		/* With some (all?) 100MHalf HUB, controller will hang
 		 * if we enabled promiscuous mode before linkup... */
 		struct tc35815_local *lp = netdev_priv(dev);
 
 		if (!lp->link)
 			return;
-#endif
 		/* Enable promiscuous mode */
 		tc_writel(CAM_CompEn | CAM_BroadAcc | CAM_GroupAcc | CAM_StationAcc, &tr->CAM_Ctl);
 	} else if ((dev->flags & IFF_ALLMULTI) ||
@@ -2332,9 +2124,6 @@ static void tc35815_chip_init(struct net_device *dev)
 		tc_writel(DMA_BURST_SIZE | DMA_RxAlign_2, &tr->DMA_Ctl);
 	else
 		tc_writel(DMA_BURST_SIZE, &tr->DMA_Ctl);
-#ifdef TC35815_USE_PACKEDBUFFER
-	tc_writel(RxFrag_EnPack | ETH_ZLEN, &tr->RxFragSize);	/* Packing */
-#endif
 	tc_writel(0, &tr->TxPollCtr);	/* Batch mode */
 	tc_writel(TX_THRESHOLD, &tr->TxThrsh);
 	tc_writel(INT_EN_CMD, &tr->Int_En);
@@ -2352,19 +2141,12 @@ static void tc35815_chip_init(struct net_device *dev)
 	tc_writel(RX_CTL_CMD, &tr->Rx_Ctl);	/* start MAC receiver */
 
 	/* start MAC transmitter */
-#ifndef NO_CHECK_CARRIER
 	/* TX4939 does not have EnLCarr */
 	if (lp->chiptype == TC35815_TX4939)
 		txctl &= ~Tx_EnLCarr;
-#ifdef WORKAROUND_LOSTCAR
 	/* WORKAROUND: ignore LostCrS in full duplex operation */
 	if (!lp->phy_dev || !lp->link || lp->duplex == DUPLEX_FULL)
 		txctl &= ~Tx_EnLCarr;
-#endif
-#endif /* !NO_CHECK_CARRIER */
-#ifdef GATHER_TXINT
-	txctl &= ~Tx_EnComp;	/* disable global tx completion int. */
-#endif
 	tc_writel(txctl, &tr->Tx_Ctl);
 }
 
-- 
GitLab


From 55a662d6468005ec3cd799fbd8d0ad03dfae6d2a Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Mon, 19 Oct 2009 23:11:26 +0900
Subject: [PATCH 0862/1815] wimax/i2400m: implement passive mode as a module
 option

Some versions of the user space Intel WiMAX daemon need to have full
control over the device initialization sequence. By setting the module
option i2400.passive_mode to 1, the driver defers all device
configuration and initialization to user space.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/control.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/net/wimax/i2400m/control.c b/drivers/net/wimax/i2400m/control.c
index 8fe70e75d03..b69fd8834c7 100644
--- a/drivers/net/wimax/i2400m/control.c
+++ b/drivers/net/wimax/i2400m/control.c
@@ -82,6 +82,13 @@
 #define D_SUBMODULE control
 #include "debug-levels.h"
 
+int i2400m_passive_mode;	/* 0 (passive mode disabled) by default */
+module_param_named(passive_mode, i2400m_passive_mode, int, 0644);
+MODULE_PARM_DESC(passive_mode,
+		 "If true, the driver will not do any device setup "
+		 "and leave it up to user space, who must be properly "
+		 "setup.");
+
 
 /*
  * Return if a TLV is of a give type and size
@@ -1335,6 +1342,8 @@ int i2400m_dev_initialize(struct i2400m *i2400m)
 	unsigned argc = 0;
 
 	d_fnstart(3, dev, "(i2400m %p)\n", i2400m);
+	if (i2400m_passive_mode)
+		goto out_passive;
 	/* Disable idle mode? (enabled by default) */
 	if (i2400m_idle_mode_disabled) {
 		if (i2400m_le_v1_3(i2400m)) {
@@ -1377,6 +1386,7 @@ int i2400m_dev_initialize(struct i2400m *i2400m)
 	result = i2400m_set_init_config(i2400m, args, argc);
 	if (result < 0)
 		goto error;
+out_passive:
 	/*
 	 * Update state: Here it just calls a get state; parsing the
 	 * result (System State TLV and RF Status TLV [done in the rx
-- 
GitLab


From c931ceeb780560ff652a8f9875f88778439ee87e Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Mon, 19 Oct 2009 16:24:56 +0900
Subject: [PATCH 0863/1815] wimax/i2400m: introduce i2400m_reset(), stopping TX
 and carrier

Currently the i2400m driver was resetting by just calling
i2400m->bus_reset(). However, this was missing stopping the TX queue
and downing the carrier. This was causing, for the corner case of the
driver reseting a device that refuses to go out of idle mode, that a
few packets would be queued and more than one reset would go through,
making the recovery a wee bit messy.

To avoid introducing the same cleanup in all the bus-specific driver,
introduced a i2400m_reset() function that takes care of house cleaning
and then calling the bus-level reset implementation.

The bulk of the changes in all files are just to rename the call from
i2400m->bus_reset() to i2400m_reset().

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/control.c |  4 ++--
 drivers/net/wimax/i2400m/debugfs.c |  2 +-
 drivers/net/wimax/i2400m/driver.c  | 22 ++++++++++++++++++++--
 drivers/net/wimax/i2400m/fw.c      |  4 ++--
 drivers/net/wimax/i2400m/i2400m.h  |  1 +
 drivers/net/wimax/i2400m/netdev.c  |  8 +++++---
 drivers/net/wimax/i2400m/rx.c      |  4 ++--
 drivers/net/wimax/i2400m/sdio.c    |  9 +--------
 drivers/net/wimax/i2400m/usb.c     |  2 +-
 9 files changed, 35 insertions(+), 21 deletions(-)

diff --git a/drivers/net/wimax/i2400m/control.c b/drivers/net/wimax/i2400m/control.c
index b69fd8834c7..94494554039 100644
--- a/drivers/net/wimax/i2400m/control.c
+++ b/drivers/net/wimax/i2400m/control.c
@@ -54,7 +54,7 @@
  *   i2400m_set_init_config()
  *   i2400m_cmd_get_state()
  * i2400m_dev_shutdown()        Called by i2400m_dev_stop()
- *   i2400m->bus_reset()
+ *   i2400m_reset()
  *
  * i2400m_{cmd,get,set}_*()
  *   i2400m_msg_to_dev()
@@ -343,7 +343,7 @@ void i2400m_report_tlv_system_state(struct i2400m *i2400m,
 		/* Huh? just in case, shut it down */
 		dev_err(dev, "HW BUG? unknown state %u: shutting down\n",
 			i2400m_state);
-		i2400m->bus_reset(i2400m, I2400M_RT_WARM);
+		i2400m_reset(i2400m, I2400M_RT_WARM);
 		break;
 	};
 	d_fnend(3, dev, "(i2400m %p ss %p [%u]) = void\n",
diff --git a/drivers/net/wimax/i2400m/debugfs.c b/drivers/net/wimax/i2400m/debugfs.c
index 9b81af3f80a..b1aec3e1892 100644
--- a/drivers/net/wimax/i2400m/debugfs.c
+++ b/drivers/net/wimax/i2400m/debugfs.c
@@ -214,7 +214,7 @@ int debugfs_i2400m_reset_set(void *data, u64 val)
 	case I2400M_RT_WARM:
 	case I2400M_RT_COLD:
 	case I2400M_RT_BUS:
-		result = i2400m->bus_reset(i2400m, rt);
+		result = i2400m_reset(i2400m, rt);
 		if (result >= 0)
 			result = 0;
 	default:
diff --git a/drivers/net/wimax/i2400m/driver.c b/drivers/net/wimax/i2400m/driver.c
index cc58a864bd0..96a615fe09d 100644
--- a/drivers/net/wimax/i2400m/driver.c
+++ b/drivers/net/wimax/i2400m/driver.c
@@ -255,7 +255,7 @@ int i2400m_op_reset(struct wimax_dev *wimax_dev)
 	mutex_lock(&i2400m->init_mutex);
 	i2400m->reset_ctx = &ctx;
 	mutex_unlock(&i2400m->init_mutex);
-	result = i2400m->bus_reset(i2400m, I2400M_RT_WARM);
+	result = i2400m_reset(i2400m, I2400M_RT_WARM);
 	if (result < 0)
 		goto out;
 	result = wait_for_completion_timeout(&ctx.completion, 4*HZ);
@@ -710,7 +710,7 @@ out_unlock:
 	mutex_unlock(&i2400m->init_mutex);
 	if (result == -EUCLEAN) {
 		/* ops, need to clean up [w/ init_mutex not held] */
-		result = i2400m->bus_reset(i2400m, I2400M_RT_BUS);
+		result = i2400m_reset(i2400m, I2400M_RT_BUS);
 		if (result >= 0)
 			result = -ENODEV;
 	}
@@ -815,6 +815,24 @@ void i2400m_init(struct i2400m *i2400m)
 EXPORT_SYMBOL_GPL(i2400m_init);
 
 
+int i2400m_reset(struct i2400m *i2400m, enum i2400m_reset_type rt)
+{
+	struct net_device *net_dev = i2400m->wimax_dev.net_dev;
+
+	/*
+	 * Make sure we stop TXs and down the carrier before
+	 * resetting; this is needed to avoid things like
+	 * i2400m_wake_tx() scheduling stuff in parallel.
+	 */
+	if (net_dev->reg_state == NETREG_REGISTERED) {
+		netif_tx_disable(net_dev);
+		netif_carrier_off(net_dev);
+	}
+	return i2400m->bus_reset(i2400m, rt);
+}
+EXPORT_SYMBOL_GPL(i2400m_reset);
+
+
 /**
  * i2400m_setup - bus-generic setup function for the i2400m device
  *
diff --git a/drivers/net/wimax/i2400m/fw.c b/drivers/net/wimax/i2400m/fw.c
index fda54bfdf70..64cdfeb299c 100644
--- a/drivers/net/wimax/i2400m/fw.c
+++ b/drivers/net/wimax/i2400m/fw.c
@@ -130,7 +130,7 @@
  * i2400m_fw_dnload
  *   i2400m_bootrom_init
  *     i2400m_bm_cmd
- *     i2400m->bus_reset
+ *     i2400m_reset
  *   i2400m_dnload_init
  *     i2400m_dnload_init_signed
  *     i2400m_dnload_init_nonsigned
@@ -902,7 +902,7 @@ do_reboot:
 	d_printf(4, dev, "device reboot: reboot command [%d # left]\n",
 		 count);
 	if ((flags & I2400M_BRI_NO_REBOOT) == 0)
-		i2400m->bus_reset(i2400m, I2400M_RT_WARM);
+		i2400m_reset(i2400m, I2400M_RT_WARM);
 	result = i2400m_bm_cmd(i2400m, NULL, 0, &ack, sizeof(ack),
 			       I2400M_BM_CMD_RAW);
 	flags &= ~I2400M_BRI_NO_REBOOT;
diff --git a/drivers/net/wimax/i2400m/i2400m.h b/drivers/net/wimax/i2400m/i2400m.h
index 5eee985f292..04df9bbe340 100644
--- a/drivers/net/wimax/i2400m/i2400m.h
+++ b/drivers/net/wimax/i2400m/i2400m.h
@@ -717,6 +717,7 @@ unsigned i2400m_brh_get_signature(const struct i2400m_bootrom_header *hdr)
  * Driver / device setup and internal functions
  */
 extern void i2400m_init(struct i2400m *);
+extern int i2400m_reset(struct i2400m *, enum i2400m_reset_type);
 extern void i2400m_netdev_setup(struct net_device *net_dev);
 extern int i2400m_sysfs_setup(struct device_driver *);
 extern void i2400m_sysfs_release(struct device_driver *);
diff --git a/drivers/net/wimax/i2400m/netdev.c b/drivers/net/wimax/i2400m/netdev.c
index e7d1a51ee3f..f67af4291f8 100644
--- a/drivers/net/wimax/i2400m/netdev.c
+++ b/drivers/net/wimax/i2400m/netdev.c
@@ -171,8 +171,9 @@ void i2400m_wake_tx_work(struct work_struct *ws)
 		result = 0;
 	if (result < 0) {
 		dev_err(dev, "WAKE&TX: device didn't get out of idle: "
-			"%d\n", result);
-			goto error;
+			"%d - resetting\n", result);
+		i2400m_reset(i2400m, I2400M_RT_BUS);
+		goto error;
 	}
 	result = wait_event_timeout(i2400m->state_wq,
 				    i2400m->state != I2400M_SS_IDLE, 5 * HZ);
@@ -180,7 +181,8 @@ void i2400m_wake_tx_work(struct work_struct *ws)
 		result = -ETIMEDOUT;
 	if (result < 0) {
 		dev_err(dev, "WAKE&TX: error waiting for device to exit IDLE: "
-			"%d\n", result);
+			"%d - resetting\n", result);
+		i2400m_reset(i2400m, I2400M_RT_BUS);
 		goto error;
 	}
 	msleep(20);	/* device still needs some time or it drops it */
diff --git a/drivers/net/wimax/i2400m/rx.c b/drivers/net/wimax/i2400m/rx.c
index 64a44ca0067..e3d2a9de023 100644
--- a/drivers/net/wimax/i2400m/rx.c
+++ b/drivers/net/wimax/i2400m/rx.c
@@ -828,7 +828,7 @@ void i2400m_roq_queue(struct i2400m *i2400m, struct i2400m_roq *roq,
 		dev_err(dev, "SW BUG? queue nsn %d (lbn %u ws %u)\n",
 			nsn, lbn, roq->ws);
 		i2400m_roq_log_dump(i2400m, roq);
-		i2400m->bus_reset(i2400m, I2400M_RT_WARM);
+		i2400m_reset(i2400m, I2400M_RT_WARM);
 	} else {
 		__i2400m_roq_queue(i2400m, roq, skb, lbn, nsn);
 		i2400m_roq_log_add(i2400m, roq, I2400M_RO_TYPE_PACKET,
@@ -894,7 +894,7 @@ void i2400m_roq_queue_update_ws(struct i2400m *i2400m, struct i2400m_roq *roq,
 		dev_err(dev, "SW BUG? queue_update_ws nsn %u (sn %u ws %u)\n",
 			nsn, sn, roq->ws);
 		i2400m_roq_log_dump(i2400m, roq);
-		i2400m->bus_reset(i2400m, I2400M_RT_WARM);
+		i2400m_reset(i2400m, I2400M_RT_WARM);
 	} else {
 		/* if the queue is empty, don't bother as we'd queue
 		 * it and inmediately unqueue it -- just deliver it */
diff --git a/drivers/net/wimax/i2400m/sdio.c b/drivers/net/wimax/i2400m/sdio.c
index ec178928914..20ab22ec291 100644
--- a/drivers/net/wimax/i2400m/sdio.c
+++ b/drivers/net/wimax/i2400m/sdio.c
@@ -43,7 +43,7 @@
  *     i2400m_release()
  *     free_netdev(net_dev)
  *
- * i2400ms_bus_reset()            Called by i2400m->bus_reset
+ * i2400ms_bus_reset()            Called by i2400m_reset
  *   __i2400ms_reset()
  *     __i2400ms_send_barker()
  */
@@ -342,13 +342,6 @@ int i2400ms_bus_reset(struct i2400m *i2400m, enum i2400m_reset_type rt)
 					       sizeof(i2400m_COLD_BOOT_BARKER));
 	else if (rt == I2400M_RT_BUS) {
 do_bus_reset:
-		/* call netif_tx_disable() before sending IOE disable,
-		 * so that all the tx from network layer are stopped
-		 * while IOE is being reset. Make sure it is called
-		 * only after register_netdev() was issued.
-		 */
-		if (i2400m->wimax_dev.net_dev->reg_state == NETREG_REGISTERED)
-			netif_tx_disable(i2400m->wimax_dev.net_dev);
 
 		i2400ms_bus_release(i2400m);
 
diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c
index 418db12b0cd..5e079408f16 100644
--- a/drivers/net/wimax/i2400m/usb.c
+++ b/drivers/net/wimax/i2400m/usb.c
@@ -58,7 +58,7 @@
  *   i2400mu_rx_release()
  *   i2400mu_tx_release()
  *
- * i2400mu_bus_reset()            Called by i2400m->bus_reset
+ * i2400mu_bus_reset()            Called by i2400m_reset
  *   __i2400mu_reset()
  *     __i2400mu_send_barker()
  *   usb_reset_device()
-- 
GitLab


From 5ab5a7215a0cfd40572a9f09276ebcb071ee6fb7 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Thu, 15 Oct 2009 18:16:08 +0900
Subject: [PATCH 0864/1815] wimax/i2400m: fix device getting stuck in IDLE mode

The i2400m, when conected, will negotiate with the WiMAX basestation
to put the link in IDLE mode when it is not being used. Upon RX/TX
traffic, the link has to be restablished and that might require some
crypto handshakes and maybe a DHCP renew.

This process might take up to 20 (!) seconds and in some cases we were
seeing network watchdog warnings that weren't needed.

So the network watchdog timeout is updated to be slightly above that
20s threshold. As well, the driver itself will double check if the
device is stuck in IDLE mode -- if that happens, the device will be
reset (in this case the queue is also woken up to remove bogus--once
the device is reset--warnings).

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/netdev.c | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wimax/i2400m/netdev.c b/drivers/net/wimax/i2400m/netdev.c
index f67af4291f8..599aa4eb9ba 100644
--- a/drivers/net/wimax/i2400m/netdev.c
+++ b/drivers/net/wimax/i2400m/netdev.c
@@ -89,7 +89,10 @@ enum {
 	 * The MTU is 1400 or less
 	 */
 	I2400M_MAX_MTU = 1400,
-	I2400M_TX_TIMEOUT = HZ,
+	/* 20 secs? yep, this is the maximum timeout that the device
+	 * might take to get out of IDLE / negotiate it with the base
+	 * station. We add 1sec for good measure. */
+	I2400M_TX_TIMEOUT = 21 * HZ,
 	I2400M_TX_QLEN = 5,
 };
 
@@ -151,6 +154,7 @@ void i2400m_wake_tx_work(struct work_struct *ws)
 {
 	int result;
 	struct i2400m *i2400m = container_of(ws, struct i2400m, wake_tx_ws);
+	struct net_device *net_dev = i2400m->wimax_dev.net_dev;
 	struct device *dev = i2400m_dev(i2400m);
 	struct sk_buff *skb = i2400m->wake_tx_skb;
 	unsigned long flags;
@@ -166,6 +170,11 @@ void i2400m_wake_tx_work(struct work_struct *ws)
 		dev_err(dev, "WAKE&TX: skb dissapeared!\n");
 		goto out_put;
 	}
+	/* If we have, somehow, lost the connection after this was
+	 * queued, don't do anything; this might be the device got
+	 * reset or just disconnected. */
+	if (unlikely(!netif_carrier_ok(net_dev)))
+		goto out_kfree;
 	result = i2400m_cmd_exit_idle(i2400m);
 	if (result == -EILSEQ)
 		result = 0;
@@ -176,7 +185,8 @@ void i2400m_wake_tx_work(struct work_struct *ws)
 		goto error;
 	}
 	result = wait_event_timeout(i2400m->state_wq,
-				    i2400m->state != I2400M_SS_IDLE, 5 * HZ);
+				    i2400m->state != I2400M_SS_IDLE,
+				    net_dev->watchdog_timeo - HZ/2);
 	if (result == 0)
 		result = -ETIMEDOUT;
 	if (result < 0) {
@@ -187,8 +197,9 @@ void i2400m_wake_tx_work(struct work_struct *ws)
 	}
 	msleep(20);	/* device still needs some time or it drops it */
 	result = i2400m_tx(i2400m, skb->data, skb->len, I2400M_PT_DATA);
-	netif_wake_queue(i2400m->wimax_dev.net_dev);
 error:
+	netif_wake_queue(net_dev);
+out_kfree:
 	kfree_skb(skb);	/* refcount transferred by _hard_start_xmit() */
 out_put:
 	i2400m_put(i2400m);
-- 
GitLab


From 296bd4bdd0a43c5e56ee310bcb9b4722e5d52db8 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Tue, 20 Oct 2009 11:09:25 +0900
Subject: [PATCH 0865/1815] wimax/i2400m: Fix USB timeout specifications (to ms
 from HZ)

The USB code was incorrectly specifiying timeouts to be in jiffies vs
msecs. On top of that, lower it to 200ms, as 1s is really too long
(doesn't allow the watchdog to trip a reset if the device timesout too
often).

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/usb-fw.c | 2 +-
 drivers/net/wimax/i2400m/usb-rx.c | 2 +-
 drivers/net/wimax/i2400m/usb-tx.c | 2 +-
 drivers/net/wimax/i2400m/usb.c    | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wimax/i2400m/usb-fw.c b/drivers/net/wimax/i2400m/usb-fw.c
index b59aee0ee64..8ec8b6d56a1 100644
--- a/drivers/net/wimax/i2400m/usb-fw.c
+++ b/drivers/net/wimax/i2400m/usb-fw.c
@@ -102,7 +102,7 @@ ssize_t i2400mu_tx_bulk_out(struct i2400mu *i2400mu, void *buf, size_t buf_size)
 	epd = usb_get_epd(i2400mu->usb_iface, i2400mu->endpoint_cfg.bulk_out);
 	pipe = usb_sndbulkpipe(i2400mu->usb_dev, epd->bEndpointAddress);
 retry:
-	result = usb_bulk_msg(i2400mu->usb_dev, pipe, buf, buf_size, &len, HZ);
+	result = usb_bulk_msg(i2400mu->usb_dev, pipe, buf, buf_size, &len, 200);
 	switch (result) {
 	case 0:
 		if (len != buf_size) {
diff --git a/drivers/net/wimax/i2400m/usb-rx.c b/drivers/net/wimax/i2400m/usb-rx.c
index 245587feb8c..22d127bf79e 100644
--- a/drivers/net/wimax/i2400m/usb-rx.c
+++ b/drivers/net/wimax/i2400m/usb-rx.c
@@ -214,7 +214,7 @@ retry:
 	}
 	result = usb_bulk_msg(
 		i2400mu->usb_dev, usb_pipe, rx_skb->data + rx_skb->len,
-		rx_size, &read_size, HZ);
+		rx_size, &read_size, 200);
 	usb_mark_last_busy(i2400mu->usb_dev);
 	switch (result) {
 	case 0:
diff --git a/drivers/net/wimax/i2400m/usb-tx.c b/drivers/net/wimax/i2400m/usb-tx.c
index a3c46e99c80..6cdf0036a14 100644
--- a/drivers/net/wimax/i2400m/usb-tx.c
+++ b/drivers/net/wimax/i2400m/usb-tx.c
@@ -105,7 +105,7 @@ int i2400mu_tx(struct i2400mu *i2400mu, struct i2400m_msg_hdr *tx_msg,
 	usb_pipe = usb_sndbulkpipe(i2400mu->usb_dev, epd->bEndpointAddress);
 retry:
 	result = usb_bulk_msg(i2400mu->usb_dev, usb_pipe,
-			      tx_msg, tx_msg_size, &sent_size, HZ);
+			      tx_msg, tx_msg_size, &sent_size, 200);
 	usb_mark_last_busy(i2400mu->usb_dev);
 	switch (result) {
 	case 0:
diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c
index 5e079408f16..34df0906caa 100644
--- a/drivers/net/wimax/i2400m/usb.c
+++ b/drivers/net/wimax/i2400m/usb.c
@@ -173,7 +173,7 @@ int __i2400mu_send_barker(struct i2400mu *i2400mu,
 	pipe = usb_sndbulkpipe(i2400mu->usb_dev, epd->bEndpointAddress);
 	memcpy(buffer, barker, barker_size);
 	ret = usb_bulk_msg(i2400mu->usb_dev, pipe, buffer, barker_size,
-			   &actual_len, HZ);
+			   &actual_len, 200);
 	if (ret < 0) {
 		if (ret != -EINVAL)
 			dev_err(dev, "E: barker error: %d\n", ret);
-- 
GitLab


From 02eb41ef2a8631022fd90e096c57562dec9e7a9a Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Fri, 23 Oct 2009 17:45:07 -0700
Subject: [PATCH 0866/1815] wimax/i2400m: correctly identify all iwmc3200-based
 SKUs

Different paths of the i2400m SDIO driver need to take care of a few
SKU-specific quirks. For the ones that are common to to all the
iwmc3200 based devices, introduce i2400ms->iwmc3200 [set in
i2400ms_probe()], so it doesn't have to check against the list of
iwmc3200 SKU IDs on each quirk site.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/i2400m-sdio.h |  3 +++
 drivers/net/wimax/i2400m/sdio.c        | 16 +++++++++++++---
 2 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wimax/i2400m/i2400m-sdio.h b/drivers/net/wimax/i2400m/i2400m-sdio.h
index 18218a24a8f..fba482c08d6 100644
--- a/drivers/net/wimax/i2400m/i2400m-sdio.h
+++ b/drivers/net/wimax/i2400m/i2400m-sdio.h
@@ -114,6 +114,9 @@ struct i2400ms {
 	wait_queue_head_t bm_wfa_wq;
 	int bm_wait_result;
 	size_t bm_ack_size;
+
+	/* Device is any of the iwmc3200 SKUs */
+	unsigned iwmc3200:1;
 };
 
 
diff --git a/drivers/net/wimax/i2400m/sdio.c b/drivers/net/wimax/i2400m/sdio.c
index 20ab22ec291..079f900e9ae 100644
--- a/drivers/net/wimax/i2400m/sdio.c
+++ b/drivers/net/wimax/i2400m/sdio.c
@@ -105,8 +105,9 @@ static const struct i2400m_poke_table i2400ms_pokes[] = {
  *     error (-ENODEV when it was unable to enable the function).
  */
 static
-int i2400ms_enable_function(struct sdio_func *func, unsigned maxtries)
+int i2400ms_enable_function(struct i2400ms *i2400ms, unsigned maxtries)
 {
+	struct sdio_func *func = i2400ms->func;
 	u64 timeout;
 	int err;
 	struct device *dev = &func->dev;
@@ -126,7 +127,7 @@ int i2400ms_enable_function(struct sdio_func *func, unsigned maxtries)
 		 * platforms (system hang). We explicitly overwrite
 		 * func->enable_timeout here to work around the issue.
 		 */
-		if (func->device == SDIO_DEVICE_ID_INTEL_IWMC3200WIMAX)
+		if (i2400ms->iwmc3200)
 			func->enable_timeout = IWMC3200_IOR_TIMEOUT;
 		err = sdio_enable_func(func);
 		if (0 == err) {
@@ -176,7 +177,7 @@ int i2400ms_bus_setup(struct i2400m *i2400m)
 		goto error_set_blk_size;
 	}
 
-	result = i2400ms_enable_function(func, 1);
+	result = i2400ms_enable_function(i2400ms, 1);
 	if (result < 0) {
 		dev_err(dev, "Cannot enable SDIO function: %d\n", result);
 		goto error_func_enable;
@@ -487,6 +488,15 @@ int i2400ms_probe(struct sdio_func *func,
 	i2400m->bus_bm_mac_addr_impaired = 1;
 	i2400m->bus_bm_pokes_table = &i2400ms_pokes[0];
 
+	switch (func->device) {
+	case SDIO_DEVICE_ID_INTEL_IWMC3200WIMAX:
+	case SDIO_DEVICE_ID_INTEL_IWMC3200WIMAX_2G5:
+		i2400ms->iwmc3200 = 1;
+		break;
+	default:
+		i2400ms->iwmc3200 = 0;
+	}
+
 	result = i2400m_setup(i2400m, I2400M_BRI_NO_REBOOT);
 	if (result < 0) {
 		dev_err(dev, "cannot setup device: %d\n", result);
-- 
GitLab


From fae92216da87d1c78aa51c4503acb312a47266e9 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Fri, 23 Oct 2009 17:48:36 -0700
Subject: [PATCH 0867/1815] wimax/i2400m: don't retry SDIO enable in probe()
 paths

The iwmc3200 has a quirk where retrying SDIO enable during the probe()
path causes bad interactions with the TOP function controller that
causes a reset storm. The workaround is simply not to retry an SDIO
enable in said path (and still do in the reset / reinitialization
paths).

The driver does so by checking i2400ms->debugfs_dentry to see if it
has been initialized; if not, it is in the probe() path. Document said
fact in i2400ms->debugfs_entry.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/i2400m-sdio.h |  8 ++++++++
 drivers/net/wimax/i2400m/sdio.c        | 13 ++++++++++++-
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wimax/i2400m/i2400m-sdio.h b/drivers/net/wimax/i2400m/i2400m-sdio.h
index fba482c08d6..b9c4bed3b45 100644
--- a/drivers/net/wimax/i2400m/i2400m-sdio.h
+++ b/drivers/net/wimax/i2400m/i2400m-sdio.h
@@ -100,6 +100,14 @@ enum {
  * @tx_workqueue: workqeueue used for data TX; we don't use the
  *     system's workqueue as that might cause deadlocks with code in
  *     the bus-generic driver.
+ *
+ * @debugfs_dentry: dentry for the SDIO specific debugfs files
+ *
+ *     Note this value is set to NULL upon destruction; this is
+ *     because some routinges use it to determine if we are inside the
+ *     probe() path or some other path. When debugfs is disabled,
+ *     creation sets the dentry to '(void*) -ENODEV', which is valid
+ *     for the test.
  */
 struct i2400ms {
 	struct i2400m i2400m;		/* FIRST! See doc */
diff --git a/drivers/net/wimax/i2400m/sdio.c b/drivers/net/wimax/i2400m/sdio.c
index 079f900e9ae..e8ad85c7a79 100644
--- a/drivers/net/wimax/i2400m/sdio.c
+++ b/drivers/net/wimax/i2400m/sdio.c
@@ -159,6 +159,10 @@ function_enabled:
 /*
  * Setup minimal device communication infrastructure needed to at
  * least be able to update the firmware.
+ *
+ * Note the ugly trick: if we are in the probe path
+ * (i2400ms->debugfs_dentry == NULL), we only retry function
+ * enablement one, to avoid racing with the iwmc3200 top controller.
  */
 static
 int i2400ms_bus_setup(struct i2400m *i2400m)
@@ -168,6 +172,7 @@ int i2400ms_bus_setup(struct i2400m *i2400m)
 		container_of(i2400m, struct i2400ms, i2400m);
 	struct device *dev = i2400m_dev(i2400m);
 	struct sdio_func *func = i2400ms->func;
+	int retries;
 
 	sdio_claim_host(func);
 	result = sdio_set_block_size(func, I2400MS_BLK_SIZE);
@@ -177,7 +182,11 @@ int i2400ms_bus_setup(struct i2400m *i2400m)
 		goto error_set_blk_size;
 	}
 
-	result = i2400ms_enable_function(i2400ms, 1);
+	if (i2400ms->iwmc3200 && i2400ms->debugfs_dentry == NULL)
+		retries = 0;
+	else
+		retries = 1;
+	result = i2400ms_enable_function(i2400ms, retries);
 	if (result < 0) {
 		dev_err(dev, "Cannot enable SDIO function: %d\n", result);
 		goto error_func_enable;
@@ -415,6 +424,7 @@ int i2400ms_debugfs_add(struct i2400ms *i2400ms)
 
 error:
 	debugfs_remove_recursive(i2400ms->debugfs_dentry);
+	i2400ms->debugfs_dentry = NULL;
 	return result;
 }
 
@@ -531,6 +541,7 @@ void i2400ms_remove(struct sdio_func *func)
 
 	d_fnstart(3, dev, "SDIO func %p\n", func);
 	debugfs_remove_recursive(i2400ms->debugfs_dentry);
+	i2400ms->debugfs_dentry = NULL;
 	i2400m_release(i2400m);
 	sdio_set_drvdata(func, NULL);
 	free_netdev(net_dev);
-- 
GitLab


From faf57162e462eafe87458e21bf641f9d138f8171 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Tue, 20 Oct 2009 11:10:59 +0900
Subject: [PATCH 0868/1815] wimax/i2400m: handle USB stalls

When the device stalls, clear it and retry; if it keeps failing too
often, reset the device.

This specially happens when running on virtual machines; the real
hardware doesn't seem to trip on stalls too much, except for a few
reports in the mailing list (still to be confirmed this is the cause,
although it seems likely.

NOTE: it is not clear if the URB has to be resubmitted fully or start
only at the offset of the first transaction sent. Can't find
documentation to clarify one end or the other.

Tests that just resubmit the whole URB seemed to work in my
environment.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/usb-fw.c | 22 ++++++++++++
 drivers/net/wimax/i2400m/usb-rx.c | 21 ++++++++++++
 drivers/net/wimax/i2400m/usb-tx.c | 22 ++++++++++++
 drivers/net/wimax/i2400m/usb.c    | 57 +++++++++++++++++++++++++++----
 4 files changed, 116 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wimax/i2400m/usb-fw.c b/drivers/net/wimax/i2400m/usb-fw.c
index 8ec8b6d56a1..d8f6ce29eff 100644
--- a/drivers/net/wimax/i2400m/usb-fw.c
+++ b/drivers/net/wimax/i2400m/usb-fw.c
@@ -113,6 +113,28 @@ retry:
 		}
 		result = len;
 		break;
+	case -EPIPE:
+		/*
+		 * Stall -- maybe the device is choking with our
+		 * requests. Clear it and give it some time. If they
+		 * happen to often, it might be another symptom, so we
+		 * reset.
+		 *
+		 * No error handling for usb_clear_halt(0; if it
+		 * works, the retry works; if it fails, this switch
+		 * does the error handling for us.
+		 */
+		if (edc_inc(&i2400mu->urb_edc,
+			    10 * EDC_MAX_ERRORS, EDC_ERROR_TIMEFRAME)) {
+			dev_err(dev, "BM-CMD: too many stalls in "
+				"URB; resetting device\n");
+			usb_queue_reset_device(i2400mu->usb_iface);
+			/* fallthrough */
+		} else {
+			usb_clear_halt(i2400mu->usb_dev, pipe);
+			msleep(10);	/* give the device some time */
+			goto retry;
+		}
 	case -EINVAL:			/* while removing driver */
 	case -ENODEV:			/* dev disconnect ... */
 	case -ENOENT:			/* just ignore it */
diff --git a/drivers/net/wimax/i2400m/usb-rx.c b/drivers/net/wimax/i2400m/usb-rx.c
index 22d127bf79e..ba1b02362df 100644
--- a/drivers/net/wimax/i2400m/usb-rx.c
+++ b/drivers/net/wimax/i2400m/usb-rx.c
@@ -222,6 +222,26 @@ retry:
 			goto retry;	/* ZLP, just resubmit */
 		skb_put(rx_skb, read_size);
 		break;
+	case -EPIPE:
+		/*
+		 * Stall -- maybe the device is choking with our
+		 * requests. Clear it and give it some time. If they
+		 * happen to often, it might be another symptom, so we
+		 * reset.
+		 *
+		 * No error handling for usb_clear_halt(0; if it
+		 * works, the retry works; if it fails, this switch
+		 * does the error handling for us.
+		 */
+		if (edc_inc(&i2400mu->urb_edc,
+			    10 * EDC_MAX_ERRORS, EDC_ERROR_TIMEFRAME)) {
+			dev_err(dev, "BM-CMD: too many stalls in "
+				"URB; resetting device\n");
+			goto do_reset;
+		}
+		usb_clear_halt(i2400mu->usb_dev, usb_pipe);
+		msleep(10);	/* give the device some time */
+		goto retry;
 	case -EINVAL:			/* while removing driver */
 	case -ENODEV:			/* dev disconnect ... */
 	case -ENOENT:			/* just ignore it */
@@ -283,6 +303,7 @@ out:
 error_reset:
 	dev_err(dev, "RX: maximum errors in URB exceeded; "
 		"resetting device\n");
+do_reset:
 	usb_queue_reset_device(i2400mu->usb_iface);
 	rx_skb = ERR_PTR(result);
 	goto out;
diff --git a/drivers/net/wimax/i2400m/usb-tx.c b/drivers/net/wimax/i2400m/usb-tx.c
index 6cdf0036a14..c65b9979f87 100644
--- a/drivers/net/wimax/i2400m/usb-tx.c
+++ b/drivers/net/wimax/i2400m/usb-tx.c
@@ -115,6 +115,28 @@ retry:
 			result = -EIO;
 		}
 		break;
+	case -EPIPE:
+		/*
+		 * Stall -- maybe the device is choking with our
+		 * requests. Clear it and give it some time. If they
+		 * happen to often, it might be another symptom, so we
+		 * reset.
+		 *
+		 * No error handling for usb_clear_halt(0; if it
+		 * works, the retry works; if it fails, this switch
+		 * does the error handling for us.
+		 */
+		if (edc_inc(&i2400mu->urb_edc,
+			    10 * EDC_MAX_ERRORS, EDC_ERROR_TIMEFRAME)) {
+			dev_err(dev, "BM-CMD: too many stalls in "
+				"URB; resetting device\n");
+			usb_queue_reset_device(i2400mu->usb_iface);
+			/* fallthrough */
+		} else {
+			usb_clear_halt(i2400mu->usb_dev, usb_pipe);
+			msleep(10);	/* give the device some time */
+			goto retry;
+		}
 	case -EINVAL:			/* while removing driver */
 	case -ENODEV:			/* dev disconnect ... */
 	case -ENOENT:			/* just ignore it */
diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c
index 34df0906caa..47e84ef355c 100644
--- a/drivers/net/wimax/i2400m/usb.c
+++ b/drivers/net/wimax/i2400m/usb.c
@@ -172,14 +172,59 @@ int __i2400mu_send_barker(struct i2400mu *i2400mu,
 	epd = usb_get_epd(i2400mu->usb_iface, endpoint);
 	pipe = usb_sndbulkpipe(i2400mu->usb_dev, epd->bEndpointAddress);
 	memcpy(buffer, barker, barker_size);
+retry:
 	ret = usb_bulk_msg(i2400mu->usb_dev, pipe, buffer, barker_size,
 			   &actual_len, 200);
-	if (ret < 0) {
-		if (ret != -EINVAL)
-			dev_err(dev, "E: barker error: %d\n", ret);
-	} else if (actual_len != barker_size) {
-		dev_err(dev, "E: only %d bytes transmitted\n", actual_len);
-		ret = -EIO;
+	switch (ret) {
+	case 0:
+		if (actual_len != barker_size) {	/* Too short? drop it */
+			dev_err(dev, "E: %s: short write (%d B vs %zu "
+				"expected)\n",
+				__func__, actual_len, barker_size);
+			ret = -EIO;
+		}
+		break;
+	case -EPIPE:
+		/*
+		 * Stall -- maybe the device is choking with our
+		 * requests. Clear it and give it some time. If they
+		 * happen to often, it might be another symptom, so we
+		 * reset.
+		 *
+		 * No error handling for usb_clear_halt(0; if it
+		 * works, the retry works; if it fails, this switch
+		 * does the error handling for us.
+		 */
+		if (edc_inc(&i2400mu->urb_edc,
+			    10 * EDC_MAX_ERRORS, EDC_ERROR_TIMEFRAME)) {
+			dev_err(dev, "E: %s: too many stalls in "
+				"URB; resetting device\n", __func__);
+			usb_queue_reset_device(i2400mu->usb_iface);
+			/* fallthrough */
+		} else {
+			usb_clear_halt(i2400mu->usb_dev, pipe);
+			msleep(10);	/* give the device some time */
+			goto retry;
+		}
+	case -EINVAL:			/* while removing driver */
+	case -ENODEV:			/* dev disconnect ... */
+	case -ENOENT:			/* just ignore it */
+	case -ESHUTDOWN:		/* and exit */
+	case -ECONNRESET:
+		ret = -ESHUTDOWN;
+		break;
+	default:			/* Some error? */
+		if (edc_inc(&i2400mu->urb_edc,
+			    EDC_MAX_ERRORS, EDC_ERROR_TIMEFRAME)) {
+			dev_err(dev, "E: %s: maximum errors in URB "
+				"exceeded; resetting device\n",
+				__func__);
+			usb_queue_reset_device(i2400mu->usb_iface);
+		} else {
+			dev_warn(dev, "W: %s: cannot send URB: %d\n",
+				 __func__, ret);
+			goto retry;
+		}
 	}
 	kfree(buffer);
 error_kzalloc:
-- 
GitLab


From 5a039e78522502067a68c969fb87fba1e39bc2a6 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Fri, 23 Oct 2009 17:31:31 -0700
Subject: [PATCH 0869/1815] wimax/i2400m: fix bad assignment of return value in
 i2400mu_tx_bulk_out

The function was always setting the return value to the amount of
bytes transferred, overwriting the error code in error paths.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/usb-fw.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/net/wimax/i2400m/usb-fw.c b/drivers/net/wimax/i2400m/usb-fw.c
index d8f6ce29eff..ce6b9938fde 100644
--- a/drivers/net/wimax/i2400m/usb-fw.c
+++ b/drivers/net/wimax/i2400m/usb-fw.c
@@ -157,7 +157,6 @@ retry:
 			result);
 		goto retry;
 	}
-	result = len;
 	if (do_autopm)
 		usb_autopm_put_interface(i2400mu->usb_iface);
 	return result;
-- 
GitLab


From 20d57f8e2553fa6f5cd382131b7f18e91c7141fc Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Mon, 26 Oct 2009 09:27:02 -0700
Subject: [PATCH 0870/1815] wimax/i2400m: fix SDIO debugfs dentry name

The SDIO specific debugfs dentry was being misnamed "i2400m-usb"
instead of "i2400m-sdio".

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/sdio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wimax/i2400m/sdio.c b/drivers/net/wimax/i2400m/sdio.c
index e8ad85c7a79..b06d52633a4 100644
--- a/drivers/net/wimax/i2400m/sdio.c
+++ b/drivers/net/wimax/i2400m/sdio.c
@@ -407,7 +407,7 @@ int i2400ms_debugfs_add(struct i2400ms *i2400ms)
 	int result;
 	struct dentry *dentry = i2400ms->i2400m.wimax_dev.debugfs_dentry;
 
-	dentry = debugfs_create_dir("i2400m-usb", dentry);
+	dentry = debugfs_create_dir("i2400m-sdio", dentry);
 	result = PTR_ERR(dentry);
 	if (IS_ERR(dentry)) {
 		if (result == -ENODEV)
-- 
GitLab


From e7fec0bbf13b9bc2869a18e66f0cda7bb7f559f0 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Tue, 27 Oct 2009 14:33:45 -0700
Subject: [PATCH 0871/1815] wimax/i2400m: fix inverted value in
 i2400ms_bus_setup()

Fix inverted setting of 'retries'; when we are in the probe() path, we
should retry to enable the function only once; otherwise until it
times out.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
---
 drivers/net/wimax/i2400m/sdio.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wimax/i2400m/sdio.c b/drivers/net/wimax/i2400m/sdio.c
index b06d52633a4..76a50ac02eb 100644
--- a/drivers/net/wimax/i2400m/sdio.c
+++ b/drivers/net/wimax/i2400m/sdio.c
@@ -183,9 +183,9 @@ int i2400ms_bus_setup(struct i2400m *i2400m)
 	}
 
 	if (i2400ms->iwmc3200 && i2400ms->debugfs_dentry == NULL)
-		retries = 0;
-	else
 		retries = 1;
+	else
+		retries = 0;
 	result = i2400ms_enable_function(i2400ms, retries);
 	if (result < 0) {
 		dev_err(dev, "Cannot enable SDIO function: %d\n", result);
-- 
GitLab


From 32a5b2a0d516ba4056d9e9b8b14e34bef3f68921 Mon Sep 17 00:00:00 2001
From: Ron Mercer <ron.mercer@qlogic.com>
Date: Tue, 3 Nov 2009 13:49:29 +0000
Subject: [PATCH 0872/1815] qlge: Fix indentations.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/qlge/qlge_main.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index fa53009bda2..4a075484e15 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -2102,12 +2102,12 @@ static irqreturn_t qlge_isr(int irq, void *dev_id)
 	 */
 	var = ql_read32(qdev, ISR1);
 	if (var & intr_context->irq_mask) {
-				QPRINTK(qdev, INTR, INFO,
+		QPRINTK(qdev, INTR, INFO,
 			"Waking handler for rx_ring[0].\n");
 		ql_disable_completion_interrupt(qdev, intr_context->intr);
-					napi_schedule(&rx_ring->napi);
-				work_done++;
-			}
+		napi_schedule(&rx_ring->napi);
+		work_done++;
+	}
 	ql_enable_completion_interrupt(qdev, intr_context->intr);
 	return work_done ? IRQ_HANDLED : IRQ_NONE;
 }
-- 
GitLab


From 1e34e307d0ebe536feb39c957c849a485bc81486 Mon Sep 17 00:00:00 2001
From: Ron Mercer <ron.mercer@qlogic.com>
Date: Tue, 3 Nov 2009 13:49:30 +0000
Subject: [PATCH 0873/1815] qlge: Add firmware/driver sub-command support.

These sub-commands are issued by another (FCoE) function requesting
an operation on a shared resource.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/qlge/qlge.h     | 12 ++++++++
 drivers/net/qlge/qlge_mpi.c | 56 ++++++++++++++++++++++++++++++++-----
 2 files changed, 61 insertions(+), 7 deletions(-)

diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h
index 872e95ee40e..5e4d3439043 100644
--- a/drivers/net/qlge/qlge.h
+++ b/drivers/net/qlge/qlge.h
@@ -816,6 +816,18 @@ enum {
 	MB_CMD_GET_MGMNT_TFK_CTL = 0x00000161, /* Get Mgmnt Traffic Control */
 	MB_GET_MPI_TFK_STOPPED = (1 << 0),
 	MB_GET_MPI_TFK_FIFO_EMPTY = (1 << 1),
+	/* Sub-commands for IDC request.
+	 * This describes the reason for the
+	 * IDC request.
+	 */
+	MB_CMD_IOP_NONE = 0x0000,
+	MB_CMD_IOP_PREP_UPDATE_MPI	= 0x0001,
+	MB_CMD_IOP_COMP_UPDATE_MPI	= 0x0002,
+	MB_CMD_IOP_PREP_LINK_DOWN	= 0x0010,
+	MB_CMD_IOP_DVR_START	 = 0x0100,
+	MB_CMD_IOP_FLASH_ACC	 = 0x0101,
+	MB_CMD_IOP_RESTART_MPI	= 0x0102,
+	MB_CMD_IOP_CORE_DUMP_MPI	= 0x0103,
 
 	/* Mailbox Command Status. */
 	MB_CMD_STS_GOOD = 0x00004000,	/* Success. */
diff --git a/drivers/net/qlge/qlge_mpi.c b/drivers/net/qlge/qlge_mpi.c
index bac7b86f212..f5619fe87bb 100644
--- a/drivers/net/qlge/qlge_mpi.c
+++ b/drivers/net/qlge/qlge_mpi.c
@@ -1038,8 +1038,11 @@ void ql_mpi_idc_work(struct work_struct *work)
 	int status;
 	struct mbox_params *mbcp = &qdev->idc_mbc;
 	u32 aen;
+	int timeout;
 
+	rtnl_lock();
 	aen = mbcp->mbox_out[1] >> 16;
+	timeout = (mbcp->mbox_out[1] >> 8) & 0xf;
 
 	switch (aen) {
 	default:
@@ -1047,22 +1050,61 @@ void ql_mpi_idc_work(struct work_struct *work)
 			"Bug: Unhandled IDC action.\n");
 		break;
 	case MB_CMD_PORT_RESET:
-	case MB_CMD_SET_PORT_CFG:
 	case MB_CMD_STOP_FW:
 		ql_link_off(qdev);
+	case MB_CMD_SET_PORT_CFG:
 		/* Signal the resulting link up AEN
 		 * that the frame routing and mac addr
 		 * needs to be set.
 		 * */
 		set_bit(QL_CAM_RT_SET, &qdev->flags);
-		rtnl_lock();
-		status = ql_mb_idc_ack(qdev);
-		rtnl_unlock();
-		if (status) {
-			QPRINTK(qdev, DRV, ERR,
-			"Bug: No pending IDC!\n");
+		/* Do ACK if required */
+		if (timeout) {
+			status = ql_mb_idc_ack(qdev);
+			if (status)
+				QPRINTK(qdev, DRV, ERR,
+					"Bug: No pending IDC!\n");
+		} else {
+			QPRINTK(qdev, DRV, DEBUG,
+				    "IDC ACK not required\n");
+			status = 0; /* success */
+		}
+		break;
+
+	/* These sub-commands issued by another (FCoE)
+	 * function are requesting to do an operation
+	 * on the shared resource (MPI environment).
+	 * We currently don't issue these so we just
+	 * ACK the request.
+	 */
+	case MB_CMD_IOP_RESTART_MPI:
+	case MB_CMD_IOP_PREP_LINK_DOWN:
+		/* Drop the link, reload the routing
+		 * table when link comes up.
+		 */
+		ql_link_off(qdev);
+		set_bit(QL_CAM_RT_SET, &qdev->flags);
+		/* Fall through. */
+	case MB_CMD_IOP_DVR_START:
+	case MB_CMD_IOP_FLASH_ACC:
+	case MB_CMD_IOP_CORE_DUMP_MPI:
+	case MB_CMD_IOP_PREP_UPDATE_MPI:
+	case MB_CMD_IOP_COMP_UPDATE_MPI:
+	case MB_CMD_IOP_NONE:	/*  an IDC without params */
+		/* Do ACK if required */
+		if (timeout) {
+			status = ql_mb_idc_ack(qdev);
+			if (status)
+				QPRINTK(qdev, DRV, ERR,
+				    "Bug: No pending IDC!\n");
+		} else {
+			QPRINTK(qdev, DRV, DEBUG,
+			    "IDC ACK not required\n");
+			status = 0; /* success */
 		}
+		break;
 	}
+	rtnl_unlock();
 }
 
 void ql_mpi_work(struct work_struct *work)
-- 
GitLab


From 885ee398de2354cf4526a3ecaf9e84e292393007 Mon Sep 17 00:00:00 2001
From: Ron Mercer <ron.mercer@qlogic.com>
Date: Tue, 3 Nov 2009 13:49:31 +0000
Subject: [PATCH 0874/1815] qlge: Clean up netdev->stats usage.

Don't access netdev->stats in IO path.  Save them in tx_ring/rx_rings
and add them up when get_stats API is called.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/qlge/qlge.h      |  8 +++++++
 drivers/net/qlge/qlge_main.c | 46 ++++++++++++++++++++++++++++++++----
 2 files changed, 49 insertions(+), 5 deletions(-)

diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h
index 5e4d3439043..1f59f054452 100644
--- a/drivers/net/qlge/qlge.h
+++ b/drivers/net/qlge/qlge.h
@@ -1263,6 +1263,9 @@ struct tx_ring {
 	atomic_t queue_stopped;	/* Turns queue off when full. */
 	struct delayed_work tx_work;
 	struct ql_adapter *qdev;
+	u64 tx_packets;
+	u64 tx_bytes;
+	u64 tx_errors;
 };
 
 /*
@@ -1329,6 +1332,11 @@ struct rx_ring {
 	struct napi_struct napi;
 	u8 reserved;
 	struct ql_adapter *qdev;
+	u64 rx_packets;
+	u64 rx_multicast;
+	u64 rx_bytes;
+	u64 rx_dropped;
+	u64 rx_errors;
 };
 
 /*
diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 4a075484e15..0de596ad8a7 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -1661,6 +1661,7 @@ static void ql_process_mac_rx_intr(struct ql_adapter *qdev,
 	if (unlikely(!skb)) {
 		QPRINTK(qdev, RX_STATUS, DEBUG,
 			"No skb available, drop packet.\n");
+		rx_ring->rx_dropped++;
 		return;
 	}
 
@@ -1669,6 +1670,7 @@ static void ql_process_mac_rx_intr(struct ql_adapter *qdev,
 		QPRINTK(qdev, DRV, ERR, "Receive error, flags2 = 0x%x\n",
 					ib_mac_rsp->flags2);
 		dev_kfree_skb_any(skb);
+		rx_ring->rx_errors++;
 		return;
 	}
 
@@ -1677,6 +1679,7 @@ static void ql_process_mac_rx_intr(struct ql_adapter *qdev,
 	 */
 	if (skb->len > ndev->mtu + ETH_HLEN) {
 		dev_kfree_skb_any(skb);
+		rx_ring->rx_dropped++;
 		return;
 	}
 
@@ -1697,6 +1700,7 @@ static void ql_process_mac_rx_intr(struct ql_adapter *qdev,
 			IB_MAC_IOCB_RSP_M_REG ? "Registered" : "",
 			(ib_mac_rsp->flags1 & IB_MAC_IOCB_RSP_M_MASK) ==
 			IB_MAC_IOCB_RSP_M_PROM ? "Promiscuous" : "");
+		rx_ring->rx_multicast++;
 	}
 	if (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_P) {
 		QPRINTK(qdev, RX_STATUS, DEBUG, "Promiscuous Packet.\n");
@@ -1728,8 +1732,8 @@ static void ql_process_mac_rx_intr(struct ql_adapter *qdev,
 		}
 	}
 
-	ndev->stats.rx_packets++;
-	ndev->stats.rx_bytes += skb->len;
+	rx_ring->rx_packets++;
+	rx_ring->rx_bytes += skb->len;
 	skb_record_rx_queue(skb, rx_ring->cq_id);
 	if (skb->ip_summed == CHECKSUM_UNNECESSARY) {
 		if (qdev->vlgrp &&
@@ -1753,7 +1757,6 @@ static void ql_process_mac_rx_intr(struct ql_adapter *qdev,
 static void ql_process_mac_tx_intr(struct ql_adapter *qdev,
 				   struct ob_mac_iocb_rsp *mac_rsp)
 {
-	struct net_device *ndev = qdev->ndev;
 	struct tx_ring *tx_ring;
 	struct tx_ring_desc *tx_ring_desc;
 
@@ -1761,8 +1764,8 @@ static void ql_process_mac_tx_intr(struct ql_adapter *qdev,
 	tx_ring = &qdev->tx_ring[mac_rsp->txq_idx];
 	tx_ring_desc = &tx_ring->q[mac_rsp->tid];
 	ql_unmap_send(qdev, tx_ring_desc, tx_ring_desc->map_cnt);
-	ndev->stats.tx_bytes += (tx_ring_desc->skb)->len;
-	ndev->stats.tx_packets++;
+	tx_ring->tx_bytes += (tx_ring_desc->skb)->len;
+	tx_ring->tx_packets++;
 	dev_kfree_skb(tx_ring_desc->skb);
 	tx_ring_desc->skb = NULL;
 
@@ -2205,6 +2208,7 @@ static netdev_tx_t qlge_send(struct sk_buff *skb, struct net_device *ndev)
 			__func__, tx_ring_idx);
 		netif_stop_subqueue(ndev, tx_ring->wq_id);
 		atomic_inc(&tx_ring->queue_stopped);
+		tx_ring->tx_errors++;
 		return NETDEV_TX_BUSY;
 	}
 	tx_ring_desc = &tx_ring->q[tx_ring->prod_idx];
@@ -2239,6 +2243,7 @@ static netdev_tx_t qlge_send(struct sk_buff *skb, struct net_device *ndev)
 			NETDEV_TX_OK) {
 		QPRINTK(qdev, TX_QUEUED, ERR,
 				"Could not map the segments.\n");
+		tx_ring->tx_errors++;
 		return NETDEV_TX_BUSY;
 	}
 	QL_DUMP_OB_MAC_IOCB(mac_iocb_ptr);
@@ -3817,6 +3822,37 @@ static int qlge_change_mtu(struct net_device *ndev, int new_mtu)
 static struct net_device_stats *qlge_get_stats(struct net_device
 					       *ndev)
 {
+	struct ql_adapter *qdev = netdev_priv(ndev);
+	struct rx_ring *rx_ring = &qdev->rx_ring[0];
+	struct tx_ring *tx_ring = &qdev->tx_ring[0];
+	unsigned long pkts, mcast, dropped, errors, bytes;
+	int i;
+
+	/* Get RX stats. */
+	pkts = mcast = dropped = errors = bytes = 0;
+	for (i = 0; i < qdev->rss_ring_count; i++, rx_ring++) {
+			pkts += rx_ring->rx_packets;
+			bytes += rx_ring->rx_bytes;
+			dropped += rx_ring->rx_dropped;
+			errors += rx_ring->rx_errors;
+			mcast += rx_ring->rx_multicast;
+	}
+	ndev->stats.rx_packets = pkts;
+	ndev->stats.rx_bytes = bytes;
+	ndev->stats.rx_dropped = dropped;
+	ndev->stats.rx_errors = errors;
+	ndev->stats.multicast = mcast;
+
+	/* Get TX stats. */
+	pkts = errors = bytes = 0;
+	for (i = 0; i < qdev->tx_ring_count; i++, tx_ring++) {
+			pkts += tx_ring->tx_packets;
+			bytes += tx_ring->tx_bytes;
+			errors += tx_ring->tx_errors;
+	}
+	ndev->stats.tx_packets = pkts;
+	ndev->stats.tx_bytes = bytes;
+	ndev->stats.tx_errors = errors;
 	return &ndev->stats;
 }
 
-- 
GitLab


From 0d37f36ff9bc41067c71635d14b6a5834853a779 Mon Sep 17 00:00:00 2001
From: roel kluin <roel.kluin@gmail.com>
Date: Mon, 2 Nov 2009 06:53:44 +0000
Subject: [PATCH 0875/1815] cnic: ensure ulp_type is not negative

`ulp_type' is signed, make sure it is not negative
when we read the array element.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/cnic.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c
index cfc6b208631..e503384e2a5 100644
--- a/drivers/net/cnic.c
+++ b/drivers/net/cnic.c
@@ -408,7 +408,7 @@ int cnic_register_driver(int ulp_type, struct cnic_ulp_ops *ulp_ops)
 {
 	struct cnic_dev *dev;
 
-	if (ulp_type >= MAX_CNIC_ULP_TYPE) {
+	if (ulp_type < 0 || ulp_type >= MAX_CNIC_ULP_TYPE) {
 		printk(KERN_ERR PFX "cnic_register_driver: Bad type %d\n",
 		       ulp_type);
 		return -EINVAL;
@@ -454,7 +454,7 @@ int cnic_unregister_driver(int ulp_type)
 	struct cnic_ulp_ops *ulp_ops;
 	int i = 0;
 
-	if (ulp_type >= MAX_CNIC_ULP_TYPE) {
+	if (ulp_type < 0 || ulp_type >= MAX_CNIC_ULP_TYPE) {
 		printk(KERN_ERR PFX "cnic_unregister_driver: Bad type %d\n",
 		       ulp_type);
 		return -EINVAL;
@@ -510,7 +510,7 @@ static int cnic_register_device(struct cnic_dev *dev, int ulp_type,
 	struct cnic_local *cp = dev->cnic_priv;
 	struct cnic_ulp_ops *ulp_ops;
 
-	if (ulp_type >= MAX_CNIC_ULP_TYPE) {
+	if (ulp_type < 0 || ulp_type >= MAX_CNIC_ULP_TYPE) {
 		printk(KERN_ERR PFX "cnic_register_device: Bad type %d\n",
 		       ulp_type);
 		return -EINVAL;
@@ -551,7 +551,7 @@ static int cnic_unregister_device(struct cnic_dev *dev, int ulp_type)
 	struct cnic_local *cp = dev->cnic_priv;
 	int i = 0;
 
-	if (ulp_type >= MAX_CNIC_ULP_TYPE) {
+	if (ulp_type < 0 || ulp_type >= MAX_CNIC_ULP_TYPE) {
 		printk(KERN_ERR PFX "cnic_unregister_device: Bad type %d\n",
 		       ulp_type);
 		return -EINVAL;
-- 
GitLab


From df7641af498c1575f5e9719cb391a1fa8159db1b Mon Sep 17 00:00:00 2001
From: Thiago Farina <tfransosi@gmail.com>
Date: Tue, 3 Nov 2009 03:10:29 +0000
Subject: [PATCH 0876/1815] trivial: remove duplicated MIN macro from tehuti.

Since the kernel api already has the macro "min",
just use it instead of declaring another one.

Signed-off-by: Thiago Farina <tfransosi@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tehuti.c | 2 +-
 drivers/net/tehuti.h | 2 --
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/tehuti.c b/drivers/net/tehuti.c
index 79d4868e75a..492bff68bf2 100644
--- a/drivers/net/tehuti.c
+++ b/drivers/net/tehuti.c
@@ -1878,7 +1878,7 @@ static void bdx_tx_push_desc_safe(struct bdx_priv *priv, void *data, int size)
 			udelay(50);	/* give hw a chance to clean fifo */
 			continue;
 		}
-		avail = MIN(avail, size);
+		avail = min(avail, size);
 		DBG("about to push  %d bytes starting %p size %d\n", avail,
 		    data, size);
 		bdx_tx_push_desc(priv, data, avail);
diff --git a/drivers/net/tehuti.h b/drivers/net/tehuti.h
index 4fc875e5dcd..124141909e4 100644
--- a/drivers/net/tehuti.h
+++ b/drivers/net/tehuti.h
@@ -76,8 +76,6 @@
 #define FIFO_SIZE  4096
 #define FIFO_EXTRA_SPACE            1024
 
-#define MIN(x, y)  ((x) < (y) ? (x) : (y))
-
 #if BITS_PER_LONG == 64
 #    define H32_64(x)  (u32) ((u64)(x) >> 32)
 #    define L32_64(x)  (u32) ((u64)(x) & 0xffffffff)
-- 
GitLab


From 4b7673a04a16f1d8faf1e367ae28a6ee1671843d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Denis-Courmont?= <remi.denis-courmont@nokia.com>
Date: Mon, 2 Nov 2009 22:41:28 +0000
Subject: [PATCH 0877/1815] Phonet: remove tautologies
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

These checks don't make sense anymore since rtnl_notify() cannot fail.

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/phonet/pn_netlink.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/net/phonet/pn_netlink.c b/net/phonet/pn_netlink.c
index d8f5d3fb9ee..609e509b369 100644
--- a/net/phonet/pn_netlink.c
+++ b/net/phonet/pn_netlink.c
@@ -53,8 +53,7 @@ void phonet_address_notify(int event, struct net_device *dev, u8 addr)
 		    RTNLGRP_PHONET_IFADDR, NULL, GFP_KERNEL);
 	return;
 errout:
-	if (err < 0)
-		rtnl_set_sk_err(dev_net(dev), RTNLGRP_PHONET_IFADDR, err);
+	rtnl_set_sk_err(dev_net(dev), RTNLGRP_PHONET_IFADDR, err);
 }
 
 static const struct nla_policy ifa_phonet_policy[IFA_MAX+1] = {
@@ -212,8 +211,7 @@ void rtm_phonet_notify(int event, struct net_device *dev, u8 dst)
 			  RTNLGRP_PHONET_ROUTE, NULL, GFP_KERNEL);
 	return;
 errout:
-	if (err < 0)
-		rtnl_set_sk_err(dev_net(dev), RTNLGRP_PHONET_ROUTE, err);
+	rtnl_set_sk_err(dev_net(dev), RTNLGRP_PHONET_ROUTE, err);
 }
 
 static const struct nla_policy rtm_phonet_policy[RTA_MAX+1] = {
-- 
GitLab


From fd2c3ef761fbc5e6c27fa7d40b30cda06bfcd7d8 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 3 Nov 2009 03:26:03 +0000
Subject: [PATCH 0878/1815] net: cleanup include/net

This cleanup patch puts struct/union/enum opening braces,
in first line to ease grep games.

struct something
{

becomes :

struct something {

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/ah.h                             |  3 +-
 include/net/dn_dev.h                         | 12 +++-----
 include/net/dn_fib.h                         |  3 +-
 include/net/dn_nsp.h                         | 24 ++++++----------
 include/net/dst.h                            |  3 +-
 include/net/fib_rules.h                      |  9 ++----
 include/net/gen_stats.h                      |  3 +-
 include/net/genetlink.h                      | 12 +++-----
 include/net/if_inet6.h                       | 24 ++++++----------
 include/net/inetpeer.h                       |  3 +-
 include/net/ip.h                             | 15 ++++------
 include/net/ip6_fib.h                        | 15 ++++------
 include/net/ip6_route.h                      |  3 +-
 include/net/ip_vs.h                          |  6 ++--
 include/net/ipip.h                           |  9 ++----
 include/net/ipv6.h                           | 12 +++-----
 include/net/iw_handler.h                     | 12 +++-----
 include/net/neighbour.h                      | 18 ++++--------
 include/net/netfilter/nf_conntrack_ecache.h  |  3 +-
 include/net/netfilter/nf_conntrack_expect.h  |  6 ++--
 include/net/netfilter/nf_conntrack_extend.h  |  6 ++--
 include/net/netfilter/nf_conntrack_helper.h  |  3 +-
 include/net/netfilter/nf_conntrack_l3proto.h |  3 +-
 include/net/netfilter/nf_conntrack_l4proto.h |  3 +-
 include/net/netfilter/nf_conntrack_tuple.h   | 12 +++-----
 include/net/netfilter/nf_nat.h               | 15 ++++------
 include/net/netfilter/nf_nat_protocol.h      |  3 +-
 include/net/pkt_cls.h                        | 24 ++++++----------
 include/net/pkt_sched.h                      |  3 +-
 include/net/protocol.h                       |  3 +-
 include/net/red.h                            |  6 ++--
 include/net/route.h                          | 12 +++-----
 include/net/sch_generic.h                    | 30 +++++++-------------
 include/net/scm.h                            |  9 ++----
 include/net/sctp/sctp.h                      |  3 +-
 include/net/tcp.h                            |  3 +-
 include/net/xfrm.h                           | 27 ++++++------------
 37 files changed, 120 insertions(+), 240 deletions(-)

diff --git a/include/net/ah.h b/include/net/ah.h
index 7573a7152a7..f0129f79a31 100644
--- a/include/net/ah.h
+++ b/include/net/ah.h
@@ -8,8 +8,7 @@
 
 struct crypto_ahash;
 
-struct ah_data
-{
+struct ah_data {
 	int			icv_full_len;
 	int			icv_trunc_len;
 
diff --git a/include/net/dn_dev.h b/include/net/dn_dev.h
index cee46821dc5..28966cae3fd 100644
--- a/include/net/dn_dev.h
+++ b/include/net/dn_dev.h
@@ -97,16 +97,14 @@ struct dn_dev {
 	unsigned long uptime;     /* Time device went up in jiffies */
 };
 
-struct dn_short_packet
-{
+struct dn_short_packet {
 	__u8    msgflg;
 	__le16 dstnode;
 	__le16 srcnode;
 	__u8   forward;
 } __attribute__((packed));
 
-struct dn_long_packet
-{
+struct dn_long_packet {
 	__u8   msgflg;
 	__u8   d_area;
 	__u8   d_subarea;
@@ -122,8 +120,7 @@ struct dn_long_packet
 
 /*------------------------- DRP - Routing messages ---------------------*/
 
-struct endnode_hello_message
-{
+struct endnode_hello_message {
 	__u8   msgflg;
 	__u8   tiver[3];
 	__u8   id[6];
@@ -138,8 +135,7 @@ struct endnode_hello_message
 	__u8   data[2];
 } __attribute__((packed));
 
-struct rtnode_hello_message
-{
+struct rtnode_hello_message {
 	__u8   msgflg;
 	__u8   tiver[3];
 	__u8   id[6];
diff --git a/include/net/dn_fib.h b/include/net/dn_fib.h
index c378be7bf96..52da6c3dd50 100644
--- a/include/net/dn_fib.h
+++ b/include/net/dn_fib.h
@@ -4,8 +4,7 @@
 /* WARNING: The ordering of these elements must match ordering
  *          of RTA_* rtnetlink attribute numbers.
  */
-struct dn_kern_rta
-{
+struct dn_kern_rta {
         void            *rta_dst;
         void            *rta_src;
         int             *rta_iif;
diff --git a/include/net/dn_nsp.h b/include/net/dn_nsp.h
index 96e816b6974..17d43d2db5e 100644
--- a/include/net/dn_nsp.h
+++ b/include/net/dn_nsp.h
@@ -70,30 +70,26 @@ extern struct sk_buff *dn_alloc_send_skb(struct sock *sk, size_t *size, int nobl
 
 /* Data Messages    (data segment/interrupt/link service)               */
 
-struct nsp_data_seg_msg
-{
+struct nsp_data_seg_msg {
 	__u8   msgflg;
 	__le16 dstaddr;
 	__le16 srcaddr;
 } __attribute__((packed));
 
-struct nsp_data_opt_msg
-{
+struct nsp_data_opt_msg {
 	__le16 acknum;
 	__le16 segnum;
 	__le16 lsflgs;
 } __attribute__((packed));
 
-struct nsp_data_opt_msg1
-{
+struct nsp_data_opt_msg1 {
 	__le16 acknum;
 	__le16 segnum;
 } __attribute__((packed));
 
 
 /* Acknowledgment Message (data/other data)                             */
-struct nsp_data_ack_msg
-{
+struct nsp_data_ack_msg {
 	__u8   msgflg;
 	__le16 dstaddr;
 	__le16 srcaddr;
@@ -101,16 +97,14 @@ struct nsp_data_ack_msg
 } __attribute__((packed));
 
 /* Connect Acknowledgment Message */
-struct  nsp_conn_ack_msg
-{
+struct  nsp_conn_ack_msg {
 	__u8 msgflg;
 	__le16 dstaddr;
 } __attribute__((packed));
 
 
 /* Connect Initiate/Retransmit Initiate/Connect Confirm */
-struct  nsp_conn_init_msg
-{
+struct  nsp_conn_init_msg {
 	__u8   msgflg;
 #define NSP_CI      0x18            /* Connect Initiate     */
 #define NSP_RCI     0x68            /* Retrans. Conn Init   */
@@ -126,8 +120,7 @@ struct  nsp_conn_init_msg
 } __attribute__((packed));
 
 /* Disconnect Initiate/Disconnect Confirm */
-struct  nsp_disconn_init_msg
-{
+struct  nsp_disconn_init_msg {
 	__u8   msgflg;
 	__le16 dstaddr;
 	__le16 srcaddr;
@@ -136,8 +129,7 @@ struct  nsp_disconn_init_msg
 
 
 
-struct  srcobj_fmt
-{
+struct  srcobj_fmt {
 	__u8   format;
 	__u8   task;
 	__le16 grpcode;
diff --git a/include/net/dst.h b/include/net/dst.h
index 6377ab2feba..39c4a5963e1 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -36,8 +36,7 @@
 
 struct sk_buff;
 
-struct dst_entry
-{
+struct dst_entry {
 	struct rcu_head		rcu_head;
 	struct dst_entry	*child;
 	struct net_device       *dev;
diff --git a/include/net/fib_rules.h b/include/net/fib_rules.h
index ca4b2e84007..2cd707b15d5 100644
--- a/include/net/fib_rules.h
+++ b/include/net/fib_rules.h
@@ -7,8 +7,7 @@
 #include <net/flow.h>
 #include <net/rtnetlink.h>
 
-struct fib_rule
-{
+struct fib_rule {
 	struct list_head	list;
 	atomic_t		refcnt;
 	int			ifindex;
@@ -25,15 +24,13 @@ struct fib_rule
 	struct net *		fr_net;
 };
 
-struct fib_lookup_arg
-{
+struct fib_lookup_arg {
 	void			*lookup_ptr;
 	void			*result;
 	struct fib_rule		*rule;
 };
 
-struct fib_rules_ops
-{
+struct fib_rules_ops {
 	int			family;
 	struct list_head	list;
 	int			rule_size;
diff --git a/include/net/gen_stats.h b/include/net/gen_stats.h
index eb87a1447ae..fa157712e98 100644
--- a/include/net/gen_stats.h
+++ b/include/net/gen_stats.h
@@ -6,8 +6,7 @@
 #include <linux/rtnetlink.h>
 #include <linux/pkt_sched.h>
 
-struct gnet_dump
-{
+struct gnet_dump {
 	spinlock_t *      lock;
 	struct sk_buff *  skb;
 	struct nlattr *   tail;
diff --git a/include/net/genetlink.h b/include/net/genetlink.h
index 2a1c06874c4..eb551baafc0 100644
--- a/include/net/genetlink.h
+++ b/include/net/genetlink.h
@@ -13,8 +13,7 @@
  * @list: list entry for linking
  * @family: pointer to family, need not be set before registering
  */
-struct genl_multicast_group
-{
+struct genl_multicast_group {
 	struct genl_family	*family;	/* private */
 	struct list_head	list;		/* private */
 	char			name[GENL_NAMSIZ];
@@ -35,8 +34,7 @@ struct genl_multicast_group
  * @family_list: family list
  * @mcast_groups: multicast groups list
  */
-struct genl_family
-{
+struct genl_family {
 	unsigned int		id;
 	unsigned int		hdrsize;
 	char			name[GENL_NAMSIZ];
@@ -58,8 +56,7 @@ struct genl_family
  * @userhdr: user specific header
  * @attrs: netlink attributes
  */
-struct genl_info
-{
+struct genl_info {
 	u32			snd_seq;
 	u32			snd_pid;
 	struct nlmsghdr *	nlhdr;
@@ -102,8 +99,7 @@ static inline void genl_info_net_set(struct genl_info *info, struct net *net)
  * @done: completion callback for dumps
  * @ops_list: operations list
  */
-struct genl_ops
-{
+struct genl_ops {
 	u8			cmd;
 	unsigned int		flags;
 	const struct nla_policy	*policy;
diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h
index 38b78132019..e9d69d19849 100644
--- a/include/net/if_inet6.h
+++ b/include/net/if_inet6.h
@@ -32,8 +32,7 @@
 
 #ifdef __KERNEL__
 
-struct inet6_ifaddr 
-{
+struct inet6_ifaddr {
 	struct in6_addr		addr;
 	__u32			prefix_len;
 	
@@ -67,8 +66,7 @@ struct inet6_ifaddr
 	int			dead;
 };
 
-struct ip6_sf_socklist
-{
+struct ip6_sf_socklist {
 	unsigned int		sl_max;
 	unsigned int		sl_count;
 	struct in6_addr		sl_addr[0];
@@ -79,8 +77,7 @@ struct ip6_sf_socklist
 
 #define IP6_SFBLOCK	10	/* allocate this many at once */
 
-struct ipv6_mc_socklist
-{
+struct ipv6_mc_socklist {
 	struct in6_addr		addr;
 	int			ifindex;
 	struct ipv6_mc_socklist *next;
@@ -89,8 +86,7 @@ struct ipv6_mc_socklist
 	struct ip6_sf_socklist	*sflist;
 };
 
-struct ip6_sf_list
-{
+struct ip6_sf_list {
 	struct ip6_sf_list	*sf_next;
 	struct in6_addr		sf_addr;
 	unsigned long		sf_count[2];	/* include/exclude counts */
@@ -105,8 +101,7 @@ struct ip6_sf_list
 #define MAF_NOREPORT		0x08
 #define MAF_GSQUERY		0x10
 
-struct ifmcaddr6
-{
+struct ifmcaddr6 {
 	struct in6_addr		mca_addr;
 	struct inet6_dev	*idev;
 	struct ifmcaddr6	*next;
@@ -126,15 +121,13 @@ struct ifmcaddr6
 
 /* Anycast stuff */
 
-struct ipv6_ac_socklist
-{
+struct ipv6_ac_socklist {
 	struct in6_addr		acl_addr;
 	int			acl_ifindex;
 	struct ipv6_ac_socklist *acl_next;
 };
 
-struct ifacaddr6
-{
+struct ifacaddr6 {
 	struct in6_addr		aca_addr;
 	struct inet6_dev	*aca_idev;
 	struct rt6_info		*aca_rt;
@@ -157,8 +150,7 @@ struct ipv6_devstat {
 	DEFINE_SNMP_STAT(struct icmpv6msg_mib, icmpv6msg);
 };
 
-struct inet6_dev 
-{
+struct inet6_dev {
 	struct net_device		*dev;
 
 	struct inet6_ifaddr	*addr_list;
diff --git a/include/net/inetpeer.h b/include/net/inetpeer.h
index 15e1f8fe4c1..35ad7b93046 100644
--- a/include/net/inetpeer.h
+++ b/include/net/inetpeer.h
@@ -13,8 +13,7 @@
 #include <linux/spinlock.h>
 #include <asm/atomic.h>
 
-struct inet_peer
-{
+struct inet_peer {
 	/* group together avl_left,avl_right,v4daddr to speedup lookups */
 	struct inet_peer	*avl_left, *avl_right;
 	__be32			v4daddr;	/* peer's address */
diff --git a/include/net/ip.h b/include/net/ip.h
index 376adf47764..e6b9d12d5f6 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -33,8 +33,7 @@
 
 struct sock;
 
-struct inet_skb_parm
-{
+struct inet_skb_parm {
 	struct ip_options	opt;		/* Compiled IP options		*/
 	unsigned char		flags;
 
@@ -50,8 +49,7 @@ static inline unsigned int ip_hdrlen(const struct sk_buff *skb)
 	return ip_hdr(skb)->ihl * 4;
 }
 
-struct ipcm_cookie
-{
+struct ipcm_cookie {
 	__be32			addr;
 	int			oif;
 	struct ip_options	*opt;
@@ -60,8 +58,7 @@ struct ipcm_cookie
 
 #define IPCB(skb) ((struct inet_skb_parm*)((skb)->cb))
 
-struct ip_ra_chain
-{
+struct ip_ra_chain {
 	struct ip_ra_chain	*next;
 	struct sock		*sk;
 	void			(*destructor)(struct sock *);
@@ -159,8 +156,7 @@ static inline __u8 ip_reply_arg_flowi_flags(const struct ip_reply_arg *arg)
 void ip_send_reply(struct sock *sk, struct sk_buff *skb, struct ip_reply_arg *arg,
 		   unsigned int len); 
 
-struct ipv4_config
-{
+struct ipv4_config {
 	int	log_martians;
 	int	no_pmtu_disc;
 };
@@ -336,8 +332,7 @@ extern int	ip_call_ra_chain(struct sk_buff *skb);
  *	Functions provided by ip_fragment.c
  */
 
-enum ip_defrag_users
-{
+enum ip_defrag_users {
 	IP_DEFRAG_LOCAL_DELIVER,
 	IP_DEFRAG_CALL_RA_CHAIN,
 	IP_DEFRAG_CONNTRACK_IN,
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index 15b492a9aa7..257808188ad 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -30,8 +30,7 @@
 
 struct rt6_info;
 
-struct fib6_config
-{
+struct fib6_config {
 	u32		fc_table;
 	u32		fc_metric;
 	int		fc_dst_len;
@@ -51,8 +50,7 @@ struct fib6_config
 	struct nl_info	fc_nlinfo;
 };
 
-struct fib6_node
-{
+struct fib6_node {
 	struct fib6_node	*parent;
 	struct fib6_node	*left;
 	struct fib6_node	*right;
@@ -78,16 +76,14 @@ struct fib6_node
  *
  */
 
-struct rt6key
-{
+struct rt6key {
 	struct in6_addr	addr;
 	int		plen;
 };
 
 struct fib6_table;
 
-struct rt6_info
-{
+struct rt6_info {
 	union {
 		struct dst_entry	dst;
 	} u;
@@ -127,8 +123,7 @@ static inline struct inet6_dev *ip6_dst_idev(struct dst_entry *dst)
 	return ((struct rt6_info *)dst)->rt6i_idev;
 }
 
-struct fib6_walker_t
-{
+struct fib6_walker_t {
 	struct fib6_walker_t *prev, *next;
 	struct fib6_node *root, *node;
 	struct rt6_info *leaf;
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index 0e1b8aebaff..4a808de7c0f 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -103,8 +103,7 @@ extern void			rt6_pmtu_discovery(struct in6_addr *daddr,
 
 struct netlink_callback;
 
-struct rt6_rtnl_dump_arg
-{
+struct rt6_rtnl_dump_arg {
 	struct sk_buff *skb;
 	struct netlink_callback *cb;
 	struct net *net;
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 98978e73f66..8dc3296b7be 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -251,8 +251,7 @@ struct ip_vs_estimator {
 	u32			outbps;
 };
 
-struct ip_vs_stats
-{
+struct ip_vs_stats {
 	struct ip_vs_stats_user	ustats;         /* statistics */
 	struct ip_vs_estimator	est;		/* estimator */
 
@@ -518,8 +517,7 @@ struct ip_vs_scheduler {
 /*
  *	The application module object (a.k.a. app incarnation)
  */
-struct ip_vs_app
-{
+struct ip_vs_app {
 	struct list_head	a_list;		/* member in app list */
 	int			type;		/* IP_VS_APP_TYPE_xxx */
 	char			*name;		/* application module name */
diff --git a/include/net/ipip.h b/include/net/ipip.h
index b3db2fd6e61..11e8513d2d0 100644
--- a/include/net/ipip.h
+++ b/include/net/ipip.h
@@ -8,16 +8,14 @@
 #define IPTUNNEL_ERR_TIMEO	(30*HZ)
 
 /* 6rd prefix/relay information */
-struct ip_tunnel_6rd_parm
-{
+struct ip_tunnel_6rd_parm {
 	struct in6_addr		prefix;
 	__be32			relay_prefix;
 	u16			prefixlen;
 	u16			relay_prefixlen;
 };
 
-struct ip_tunnel
-{
+struct ip_tunnel {
 	struct ip_tunnel	*next;
 	struct net_device	*dev;
 
@@ -40,8 +38,7 @@ struct ip_tunnel
 	unsigned int			prl_count;	/* # of entries in PRL */
 };
 
-struct ip_tunnel_prl_entry
-{
+struct ip_tunnel_prl_entry {
 	struct ip_tunnel_prl_entry	*next;
 	__be32				addr;
 	u16				flags;
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 8c31d8a0c1f..92db8617d18 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -160,8 +160,7 @@ extern struct ctl_path net_ipv6_ctl_path[];
 #define ICMP6MSGIN_INC_STATS_BH(net, idev, field)	\
 	_DEVINC(net, icmpv6msg, _BH, idev, field)
 
-struct ip6_ra_chain
-{
+struct ip6_ra_chain {
 	struct ip6_ra_chain	*next;
 	struct sock		*sk;
 	int			sel;
@@ -176,8 +175,7 @@ extern rwlock_t ip6_ra_lock;
    ancillary data and passed to IPv6.
  */
 
-struct ipv6_txoptions
-{
+struct ipv6_txoptions {
 	/* Length of this structure */
 	int			tot_len;
 
@@ -194,8 +192,7 @@ struct ipv6_txoptions
 	/* Option buffer, as read by IPV6_PKTOPTIONS, starts here. */
 };
 
-struct ip6_flowlabel
-{
+struct ip6_flowlabel {
 	struct ip6_flowlabel	*next;
 	__be32			label;
 	atomic_t		users;
@@ -212,8 +209,7 @@ struct ip6_flowlabel
 #define IPV6_FLOWINFO_MASK	cpu_to_be32(0x0FFFFFFF)
 #define IPV6_FLOWLABEL_MASK	cpu_to_be32(0x000FFFFF)
 
-struct ipv6_fl_socklist
-{
+struct ipv6_fl_socklist {
 	struct ipv6_fl_socklist	*next;
 	struct ip6_flowlabel	*fl;
 };
diff --git a/include/net/iw_handler.h b/include/net/iw_handler.h
index d5d337170a5..b2b98f3fa26 100644
--- a/include/net/iw_handler.h
+++ b/include/net/iw_handler.h
@@ -300,8 +300,7 @@
  * This struct is also my long term insurance. I can add new fields here
  * without breaking the prototype of iw_handler...
  */
-struct iw_request_info
-{
+struct iw_request_info {
 	__u16		cmd;		/* Wireless Extension command */
 	__u16		flags;		/* More to come ;-) */
 };
@@ -321,8 +320,7 @@ typedef int (*iw_handler)(struct net_device *dev, struct iw_request_info *info,
  * shared by all driver instances... Same for the members...
  * This will be linked from net_device in <linux/netdevice.h>
  */
-struct iw_handler_def
-{
+struct iw_handler_def {
 
 	/* Array of handlers for standard ioctls
 	 * We will call dev->wireless_handlers->standard[ioctl - SIOCSIWCOMMIT]
@@ -372,8 +370,7 @@ struct iw_handler_def
 /*
  * Describe how a standard IOCTL looks like.
  */
-struct iw_ioctl_description
-{
+struct iw_ioctl_description {
 	__u8	header_type;		/* NULL, iw_point or other */
 	__u8	token_type;		/* Future */
 	__u16	token_size;		/* Granularity of payload */
@@ -395,8 +392,7 @@ struct iw_ioctl_description
 /*
  * Instance specific spy data, i.e. addresses spied and quality for them.
  */
-struct iw_spy_data
-{
+struct iw_spy_data {
 	/* --- Standard spy support --- */
 	int			spy_number;
 	u_char			spy_address[IW_MAX_SPY][ETH_ALEN];
diff --git a/include/net/neighbour.h b/include/net/neighbour.h
index 3817fda82a8..db8e96dd114 100644
--- a/include/net/neighbour.h
+++ b/include/net/neighbour.h
@@ -37,8 +37,7 @@
 
 struct neighbour;
 
-struct neigh_parms
-{
+struct neigh_parms {
 #ifdef CONFIG_NET_NS
 	struct net *net;
 #endif
@@ -70,8 +69,7 @@ struct neigh_parms
 	int	locktime;
 };
 
-struct neigh_statistics
-{
+struct neigh_statistics {
 	unsigned long allocs;		/* number of allocated neighs */
 	unsigned long destroys;		/* number of destroyed neighs */
 	unsigned long hash_grows;	/* number of hash resizes */
@@ -97,8 +95,7 @@ struct neigh_statistics
 		preempt_enable();					\
 	} while (0)
 
-struct neighbour
-{
+struct neighbour {
 	struct neighbour	*next;
 	struct neigh_table	*tbl;
 	struct neigh_parms	*parms;
@@ -122,8 +119,7 @@ struct neighbour
 	u8			primary_key[0];
 };
 
-struct neigh_ops
-{
+struct neigh_ops {
 	int			family;
 	void			(*solicit)(struct neighbour *, struct sk_buff*);
 	void			(*error_report)(struct neighbour *, struct sk_buff*);
@@ -133,8 +129,7 @@ struct neigh_ops
 	int			(*queue_xmit)(struct sk_buff*);
 };
 
-struct pneigh_entry
-{
+struct pneigh_entry {
 	struct pneigh_entry	*next;
 #ifdef CONFIG_NET_NS
 	struct net		*net;
@@ -149,8 +144,7 @@ struct pneigh_entry
  */
 
 
-struct neigh_table
-{
+struct neigh_table {
 	struct neigh_table	*next;
 	int			family;
 	int			entry_size;
diff --git a/include/net/netfilter/nf_conntrack_ecache.h b/include/net/netfilter/nf_conntrack_ecache.h
index 4f20d58e2ab..475facc3051 100644
--- a/include/net/netfilter/nf_conntrack_ecache.h
+++ b/include/net/netfilter/nf_conntrack_ecache.h
@@ -13,8 +13,7 @@
 #include <net/netfilter/nf_conntrack_extend.h>
 
 /* Connection tracking event types */
-enum ip_conntrack_events
-{
+enum ip_conntrack_events {
 	IPCT_NEW		= 0,	/* new conntrack */
 	IPCT_RELATED		= 1,	/* related conntrack */
 	IPCT_DESTROY		= 2,	/* destroyed conntrack */
diff --git a/include/net/netfilter/nf_conntrack_expect.h b/include/net/netfilter/nf_conntrack_expect.h
index a9652806d0d..9a2b9cb5227 100644
--- a/include/net/netfilter/nf_conntrack_expect.h
+++ b/include/net/netfilter/nf_conntrack_expect.h
@@ -9,8 +9,7 @@
 extern unsigned int nf_ct_expect_hsize;
 extern unsigned int nf_ct_expect_max;
 
-struct nf_conntrack_expect
-{
+struct nf_conntrack_expect {
 	/* Conntrack expectation list member */
 	struct hlist_node lnode;
 
@@ -64,8 +63,7 @@ static inline struct net *nf_ct_exp_net(struct nf_conntrack_expect *exp)
 #endif
 }
 
-struct nf_conntrack_expect_policy
-{
+struct nf_conntrack_expect_policy {
 	unsigned int	max_expected;
 	unsigned int	timeout;
 };
diff --git a/include/net/netfilter/nf_conntrack_extend.h b/include/net/netfilter/nf_conntrack_extend.h
index 7f8fc5d123c..e192dc17c58 100644
--- a/include/net/netfilter/nf_conntrack_extend.h
+++ b/include/net/netfilter/nf_conntrack_extend.h
@@ -3,8 +3,7 @@
 
 #include <net/netfilter/nf_conntrack.h>
 
-enum nf_ct_ext_id
-{
+enum nf_ct_ext_id {
 	NF_CT_EXT_HELPER,
 	NF_CT_EXT_NAT,
 	NF_CT_EXT_ACCT,
@@ -65,8 +64,7 @@ __nf_ct_ext_add(struct nf_conn *ct, enum nf_ct_ext_id id, gfp_t gfp);
 
 #define NF_CT_EXT_F_PREALLOC	0x0001
 
-struct nf_ct_ext_type
-{
+struct nf_ct_ext_type {
 	/* Destroys relationships (can be NULL). */
 	void (*destroy)(struct nf_conn *ct);
 	/* Called when realloacted (can be NULL).
diff --git a/include/net/netfilter/nf_conntrack_helper.h b/include/net/netfilter/nf_conntrack_helper.h
index 1b706800092..d015de92e03 100644
--- a/include/net/netfilter/nf_conntrack_helper.h
+++ b/include/net/netfilter/nf_conntrack_helper.h
@@ -16,8 +16,7 @@ struct module;
 
 #define NF_CT_HELPER_NAME_LEN	16
 
-struct nf_conntrack_helper
-{
+struct nf_conntrack_helper {
 	struct hlist_node hnode;	/* Internal use. */
 
 	const char *name;		/* name of the module */
diff --git a/include/net/netfilter/nf_conntrack_l3proto.h b/include/net/netfilter/nf_conntrack_l3proto.h
index 9f99d36d5de..a7547611e8f 100644
--- a/include/net/netfilter/nf_conntrack_l3proto.h
+++ b/include/net/netfilter/nf_conntrack_l3proto.h
@@ -16,8 +16,7 @@
 #include <linux/seq_file.h>
 #include <net/netfilter/nf_conntrack.h>
 
-struct nf_conntrack_l3proto
-{
+struct nf_conntrack_l3proto {
 	/* L3 Protocol Family number. ex) PF_INET */
 	u_int16_t l3proto;
 
diff --git a/include/net/netfilter/nf_conntrack_l4proto.h b/include/net/netfilter/nf_conntrack_l4proto.h
index 3767fb41e54..ca6dcf3445a 100644
--- a/include/net/netfilter/nf_conntrack_l4proto.h
+++ b/include/net/netfilter/nf_conntrack_l4proto.h
@@ -15,8 +15,7 @@
 
 struct seq_file;
 
-struct nf_conntrack_l4proto
-{
+struct nf_conntrack_l4proto {
 	/* L3 Protocol number. */
 	u_int16_t l3proto;
 
diff --git a/include/net/netfilter/nf_conntrack_tuple.h b/include/net/netfilter/nf_conntrack_tuple.h
index 2628c154d40..4ee44c84a30 100644
--- a/include/net/netfilter/nf_conntrack_tuple.h
+++ b/include/net/netfilter/nf_conntrack_tuple.h
@@ -26,8 +26,7 @@
 
 /* The protocol-specific manipulable parts of the tuple: always in
    network order! */
-union nf_conntrack_man_proto
-{
+union nf_conntrack_man_proto {
 	/* Add other protocols here. */
 	__be16 all;
 
@@ -52,8 +51,7 @@ union nf_conntrack_man_proto
 };
 
 /* The manipulable part of the tuple. */
-struct nf_conntrack_man
-{
+struct nf_conntrack_man {
 	union nf_inet_addr u3;
 	union nf_conntrack_man_proto u;
 	/* Layer 3 protocol */
@@ -61,8 +59,7 @@ struct nf_conntrack_man
 };
 
 /* This contains the information to distinguish a connection. */
-struct nf_conntrack_tuple
-{
+struct nf_conntrack_tuple {
 	struct nf_conntrack_man src;
 
 	/* These are the parts of the tuple which are fixed. */
@@ -100,8 +97,7 @@ struct nf_conntrack_tuple
 	} dst;
 };
 
-struct nf_conntrack_tuple_mask
-{
+struct nf_conntrack_tuple_mask {
 	struct {
 		union nf_inet_addr u3;
 		union nf_conntrack_man_proto u;
diff --git a/include/net/netfilter/nf_nat.h b/include/net/netfilter/nf_nat.h
index 8df0b7f7fc6..f5f09f032a9 100644
--- a/include/net/netfilter/nf_nat.h
+++ b/include/net/netfilter/nf_nat.h
@@ -5,8 +5,7 @@
 
 #define NF_NAT_MAPPING_TYPE_MAX_NAMELEN 16
 
-enum nf_nat_manip_type
-{
+enum nf_nat_manip_type {
 	IP_NAT_MANIP_SRC,
 	IP_NAT_MANIP_DST
 };
@@ -30,8 +29,7 @@ struct nf_nat_seq {
 };
 
 /* Single range specification. */
-struct nf_nat_range
-{
+struct nf_nat_range {
 	/* Set to OR of flags above. */
 	unsigned int flags;
 
@@ -43,8 +41,7 @@ struct nf_nat_range
 };
 
 /* For backwards compat: don't use in modern code. */
-struct nf_nat_multi_range_compat
-{
+struct nf_nat_multi_range_compat {
 	unsigned int rangesize; /* Must be 1. */
 
 	/* hangs off end. */
@@ -57,8 +54,7 @@ struct nf_nat_multi_range_compat
 #include <net/netfilter/nf_conntrack_extend.h>
 
 /* per conntrack: nat application helper private data */
-union nf_conntrack_nat_help
-{
+union nf_conntrack_nat_help {
 	/* insert nat helper private data here */
 	struct nf_nat_pptp nat_pptp_info;
 };
@@ -66,8 +62,7 @@ union nf_conntrack_nat_help
 struct nf_conn;
 
 /* The structure embedded in the conntrack structure. */
-struct nf_conn_nat
-{
+struct nf_conn_nat {
 	struct hlist_node bysource;
 	struct nf_nat_seq seq[IP_CT_DIR_MAX];
 	struct nf_conn *ct;
diff --git a/include/net/netfilter/nf_nat_protocol.h b/include/net/netfilter/nf_nat_protocol.h
index f3662c4394e..c398017ccfa 100644
--- a/include/net/netfilter/nf_nat_protocol.h
+++ b/include/net/netfilter/nf_nat_protocol.h
@@ -6,8 +6,7 @@
 
 struct nf_nat_range;
 
-struct nf_nat_protocol
-{
+struct nf_nat_protocol {
 	/* Protocol number. */
 	unsigned int protonum;
 
diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h
index d1ca3144464..3dd210d073c 100644
--- a/include/net/pkt_cls.h
+++ b/include/net/pkt_cls.h
@@ -7,8 +7,7 @@
 
 /* Basic packet classifier frontend definitions. */
 
-struct tcf_walker
-{
+struct tcf_walker {
 	int	stop;
 	int	skip;
 	int	count;
@@ -61,8 +60,7 @@ tcf_unbind_filter(struct tcf_proto *tp, struct tcf_result *r)
 		tp->q->ops->cl_ops->unbind_tcf(tp->q, cl);
 }
 
-struct tcf_exts
-{
+struct tcf_exts {
 #ifdef CONFIG_NET_CLS_ACT
 	struct tc_action *action;
 #endif
@@ -71,8 +69,7 @@ struct tcf_exts
 /* Map to export classifier specific extension TLV types to the
  * generic extensions API. Unsupported extensions must be set to 0.
  */
-struct tcf_ext_map
-{
+struct tcf_ext_map {
 	int action;
 	int police;
 };
@@ -143,8 +140,7 @@ extern int tcf_exts_dump_stats(struct sk_buff *skb, struct tcf_exts *exts,
 /**
  * struct tcf_pkt_info - packet information
  */
-struct tcf_pkt_info
-{
+struct tcf_pkt_info {
 	unsigned char *		ptr;
 	int			nexthdr;
 };
@@ -162,8 +158,7 @@ struct tcf_ematch_ops;
  * @datalen: length of the ematch specific configuration data
  * @data: ematch specific data
  */
-struct tcf_ematch
-{
+struct tcf_ematch {
 	struct tcf_ematch_ops * ops;
 	unsigned long		data;
 	unsigned int		datalen;
@@ -211,8 +206,7 @@ static inline int tcf_em_early_end(struct tcf_ematch *em, int result)
  * @hdr: ematch tree header supplied by userspace
  * @matches: array of ematches
  */
-struct tcf_ematch_tree
-{
+struct tcf_ematch_tree {
 	struct tcf_ematch_tree_hdr hdr;
 	struct tcf_ematch *	matches;
 	
@@ -230,8 +224,7 @@ struct tcf_ematch_tree
  * @owner: owner, must be set to THIS_MODULE
  * @link: link to previous/next ematch module (internal use)
  */
-struct tcf_ematch_ops
-{
+struct tcf_ematch_ops {
 	int			kind;
 	int			datalen;
 	int			(*change)(struct tcf_proto *, void *,
@@ -302,8 +295,7 @@ static inline int tcf_em_tree_match(struct sk_buff *skb,
 
 #else /* CONFIG_NET_EMATCH */
 
-struct tcf_ematch_tree
-{
+struct tcf_ematch_tree {
 };
 
 #define tcf_em_tree_validate(tp, tb, t) ((void)(t), 0)
diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h
index f911ec7598e..2d567265363 100644
--- a/include/net/pkt_sched.h
+++ b/include/net/pkt_sched.h
@@ -5,8 +5,7 @@
 #include <linux/ktime.h>
 #include <net/sch_generic.h>
 
-struct qdisc_walker
-{
+struct qdisc_walker {
 	int	stop;
 	int	skip;
 	int	count;
diff --git a/include/net/protocol.h b/include/net/protocol.h
index 60249e51b66..89932d45da5 100644
--- a/include/net/protocol.h
+++ b/include/net/protocol.h
@@ -47,8 +47,7 @@ struct net_protocol {
 };
 
 #if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
-struct inet6_protocol 
-{
+struct inet6_protocol {
 	int	(*handler)(struct sk_buff *skb);
 
 	void	(*err_handler)(struct sk_buff *skb,
diff --git a/include/net/red.h b/include/net/red.h
index 3cf31d466a8..995108e54d9 100644
--- a/include/net/red.h
+++ b/include/net/red.h
@@ -90,8 +90,7 @@
 #define RED_STAB_SIZE	256
 #define RED_STAB_MASK	(RED_STAB_SIZE - 1)
 
-struct red_stats
-{
+struct red_stats {
 	u32		prob_drop;	/* Early probability drops */
 	u32		prob_mark;	/* Early probability marks */
 	u32		forced_drop;	/* Forced drops, qavg > max_thresh */
@@ -101,8 +100,7 @@ struct red_stats
 	u32		backlog;
 };
 
-struct red_parms
-{
+struct red_parms {
 	/* Parameters */
 	u32		qth_min;	/* Min avg length threshold: A scaled */
 	u32		qth_max;	/* Max avg length threshold: A scaled */
diff --git a/include/net/route.h b/include/net/route.h
index 40f6346ef49..cfb4c071a13 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -49,10 +49,8 @@
 
 struct fib_nh;
 struct inet_peer;
-struct rtable
-{
-	union
-	{
+struct rtable {
+	union {
 		struct dst_entry	dst;
 	} u;
 
@@ -77,16 +75,14 @@ struct rtable
 	struct inet_peer	*peer; /* long-living peer info */
 };
 
-struct ip_rt_acct
-{
+struct ip_rt_acct {
 	__u32 	o_bytes;
 	__u32 	o_packets;
 	__u32 	i_bytes;
 	__u32 	i_packets;
 };
 
-struct rt_cache_stat 
-{
+struct rt_cache_stat {
         unsigned int in_hit;
         unsigned int in_slow_tot;
         unsigned int in_slow_mc;
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index c33180dd42b..dad558bc06f 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -15,16 +15,14 @@ struct qdisc_walker;
 struct tcf_walker;
 struct module;
 
-struct qdisc_rate_table
-{
+struct qdisc_rate_table {
 	struct tc_ratespec rate;
 	u32		data[256];
 	struct qdisc_rate_table *next;
 	int		refcnt;
 };
 
-enum qdisc_state_t
-{
+enum qdisc_state_t {
 	__QDISC_STATE_RUNNING,
 	__QDISC_STATE_SCHED,
 	__QDISC_STATE_DEACTIVATED,
@@ -37,8 +35,7 @@ struct qdisc_size_table {
 	u16			data[];
 };
 
-struct Qdisc
-{
+struct Qdisc {
 	int 			(*enqueue)(struct sk_buff *skb, struct Qdisc *dev);
 	struct sk_buff *	(*dequeue)(struct Qdisc *dev);
 	unsigned		flags;
@@ -78,8 +75,7 @@ struct Qdisc
 	struct gnet_stats_queue	qstats;
 };
 
-struct Qdisc_class_ops
-{
+struct Qdisc_class_ops {
 	/* Child qdisc manipulation */
 	struct netdev_queue *	(*select_queue)(struct Qdisc *, struct tcmsg *);
 	int			(*graft)(struct Qdisc *, unsigned long cl,
@@ -108,8 +104,7 @@ struct Qdisc_class_ops
 					struct gnet_dump *);
 };
 
-struct Qdisc_ops
-{
+struct Qdisc_ops {
 	struct Qdisc_ops	*next;
 	const struct Qdisc_class_ops	*cl_ops;
 	char			id[IFNAMSIZ];
@@ -133,14 +128,12 @@ struct Qdisc_ops
 };
 
 
-struct tcf_result
-{
+struct tcf_result {
 	unsigned long	class;
 	u32		classid;
 };
 
-struct tcf_proto_ops
-{
+struct tcf_proto_ops {
 	struct tcf_proto_ops	*next;
 	char			kind[IFNAMSIZ];
 
@@ -164,8 +157,7 @@ struct tcf_proto_ops
 	struct module		*owner;
 };
 
-struct tcf_proto
-{
+struct tcf_proto {
 	/* Fast access part */
 	struct tcf_proto	*next;
 	void			*root;
@@ -261,14 +253,12 @@ extern struct Qdisc_ops noop_qdisc_ops;
 extern struct Qdisc_ops pfifo_fast_ops;
 extern struct Qdisc_ops mq_qdisc_ops;
 
-struct Qdisc_class_common
-{
+struct Qdisc_class_common {
 	u32			classid;
 	struct hlist_node	hnode;
 };
 
-struct Qdisc_class_hash
-{
+struct Qdisc_class_hash {
 	struct hlist_head	*hash;
 	unsigned int		hashsize;
 	unsigned int		hashmask;
diff --git a/include/net/scm.h b/include/net/scm.h
index cf48c800e92..8360e47aa7e 100644
--- a/include/net/scm.h
+++ b/include/net/scm.h
@@ -12,15 +12,13 @@
  */
 #define SCM_MAX_FD	255
 
-struct scm_fp_list
-{
+struct scm_fp_list {
 	struct list_head	list;
 	int			count;
 	struct file		*fp[SCM_MAX_FD];
 };
 
-struct scm_cookie
-{
+struct scm_cookie {
 	struct ucred		creds;		/* Skb credentials	*/
 	struct scm_fp_list	*fp;		/* Passed files		*/
 #ifdef CONFIG_SECURITY_NETWORK
@@ -88,8 +86,7 @@ static inline void scm_passec(struct socket *sock, struct msghdr *msg, struct sc
 static __inline__ void scm_recv(struct socket *sock, struct msghdr *msg,
 				struct scm_cookie *scm, int flags)
 {
-	if (!msg->msg_control)
-	{
+	if (!msg->msg_control) {
 		if (test_bit(SOCK_PASSCRED, &sock->flags) || scm->fp)
 			msg->msg_flags |= MSG_CTRUNC;
 		scm_destroy(scm);
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index 8a6d5297de1..78740ec57d5 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -227,8 +227,7 @@ DECLARE_SNMP_STAT(struct sctp_mib, sctp_statistics);
 #endif /* !TEST_FRAME */
 
 /* sctp mib definitions */
-enum
-{
+enum {
 	SCTP_MIB_NUM = 0,
 	SCTP_MIB_CURRESTAB,			/* CurrEstab */
 	SCTP_MIB_ACTIVEESTABS,			/* ActiveEstabs */
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 740d09be8e2..bf20f88fd03 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -359,8 +359,7 @@ TCP_ECN_create_request(struct request_sock *req, struct tcphdr *th)
 		inet_rsk(req)->ecn_ok = 1;
 }
 
-enum tcp_tw_status
-{
+enum tcp_tw_status {
 	TCP_TW_SUCCESS = 0,
 	TCP_TW_RST = 1,
 	TCP_TW_ACK = 2,
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index d9c6dbb9271..7f38ef50995 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -121,8 +121,7 @@ struct xfrm_state_walk {
 };
 
 /* Full description of state of transformer. */
-struct xfrm_state
-{
+struct xfrm_state {
 #ifdef CONFIG_NET_NS
 	struct net		*xs_net;
 #endif
@@ -237,8 +236,7 @@ enum {
 };
 
 /* callback structure passed from either netlink or pfkey */
-struct km_event
-{
+struct km_event {
 	union {
 		u32 hard;
 		u32 proto;
@@ -313,8 +311,7 @@ extern int xfrm_state_unregister_afinfo(struct xfrm_state_afinfo *afinfo);
 
 extern void xfrm_state_delete_tunnel(struct xfrm_state *x);
 
-struct xfrm_type
-{
+struct xfrm_type {
 	char			*description;
 	struct module		*owner;
 	__u8			proto;
@@ -420,8 +417,7 @@ static inline struct xfrm_mode *xfrm_ip2inner_mode(struct xfrm_state *x, int ipp
 		return x->inner_mode_iaf;
 }
 
-struct xfrm_tmpl
-{
+struct xfrm_tmpl {
 /* id in template is interpreted as:
  * daddr - destination of tunnel, may be zero for transport mode.
  * spi   - zero to acquire spi. Not zero if spi is static, then
@@ -468,8 +464,7 @@ struct xfrm_policy_walk {
 	u32 seq;
 };
 
-struct xfrm_policy
-{
+struct xfrm_policy {
 #ifdef CONFIG_NET_NS
 	struct net		*xp_net;
 #endif
@@ -538,8 +533,7 @@ struct xfrm_migrate {
 /* default seq threshold size */
 #define XFRM_AE_SEQT_SIZE		2
 
-struct xfrm_mgr
-{
+struct xfrm_mgr {
 	struct list_head	list;
 	char			*id;
 	int			(*notify)(struct xfrm_state *x, struct km_event *c);
@@ -626,8 +620,7 @@ struct xfrm_spi_skb_cb {
 #define XFRM_SPI_SKB_CB(__skb) ((struct xfrm_spi_skb_cb *)&((__skb)->cb[0]))
 
 /* Audit Information */
-struct xfrm_audit
-{
+struct xfrm_audit {
 	u32	secid;
 	uid_t	loginuid;
 	u32	sessionid;
@@ -871,8 +864,7 @@ static inline int xfrm_sec_ctx_match(struct xfrm_sec_ctx *s1, struct xfrm_sec_ct
  * bundles differing by session id. All the bundles grow from a parent
  * policy rule.
  */
-struct xfrm_dst
-{
+struct xfrm_dst {
 	union {
 		struct dst_entry	dst;
 		struct rtable		rt;
@@ -907,8 +899,7 @@ static inline void xfrm_dst_destroy(struct xfrm_dst *xdst)
 
 extern void xfrm_dst_ifdown(struct dst_entry *dst, struct net_device *dev);
 
-struct sec_path
-{
+struct sec_path {
 	atomic_t		refcnt;
 	int			len;
 	struct xfrm_state	*xvec[XFRM_MAX_DEPTH];
-- 
GitLab


From c7079857cd89cb5bc686df1d441db8ef0137abf1 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Mon, 2 Nov 2009 23:17:42 +0000
Subject: [PATCH 0879/1815] bnx2: avoid compiler warnings
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

drivers/net/bnx2.c: In function ‘bnx2_enable_forced_2g5’:
drivers/net/bnx2.c:1447: warning: ‘bmcr’ may be used uninitialized in this function
drivers/net/bnx2.c: In function ‘bnx2_disable_forced_2g5’:
drivers/net/bnx2.c:1482: warning: ‘bmcr’ may be used uninitialized in this function

One fix would be to have an initial value, but a plain return might be better.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 08cddb6ff74..539d23b594c 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -1466,6 +1466,8 @@ bnx2_enable_forced_2g5(struct bnx2 *bp)
 	} else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
 		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
 		bmcr |= BCM5708S_BMCR_FORCE_2500;
+	} else {
+		return;
 	}
 
 	if (bp->autoneg & AUTONEG_SPEED) {
@@ -1500,6 +1502,8 @@ bnx2_disable_forced_2g5(struct bnx2 *bp)
 	} else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
 		bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
 		bmcr &= ~BCM5708S_BMCR_FORCE_2500;
+	} else {
+		return;
 	}
 
 	if (bp->autoneg & AUTONEG_SPEED)
-- 
GitLab


From d0075634cf9d288988f57392a1f132d2053af961 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 4 Nov 2009 05:23:31 -0800
Subject: [PATCH 0880/1815] em_meta: avoid one dev_put()

Another rcu conversion to avoid one dev_hold()/dev_put() pair

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/sched/em_meta.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/net/sched/em_meta.c b/net/sched/em_meta.c
index 18d85d25910..8e8d836f00c 100644
--- a/net/sched/em_meta.c
+++ b/net/sched/em_meta.c
@@ -303,17 +303,17 @@ META_COLLECTOR(var_sk_bound_if)
 {
 	SKIP_NONLOCAL(skb);
 
-	 if (skb->sk->sk_bound_dev_if == 0) {
+	if (skb->sk->sk_bound_dev_if == 0) {
 		dst->value = (unsigned long) "any";
 		dst->len = 3;
-	 } else  {
+	} else {
 		struct net_device *dev;
 
-		dev = dev_get_by_index(&init_net, skb->sk->sk_bound_dev_if);
+		rcu_read_lock();
+		dev = dev_get_by_index_rcu(&init_net, skb->sk->sk_bound_dev_if);
 		*err = var_dev(dev, dst);
-		if (dev)
-			dev_put(dev);
-	 }
+		rcu_read_unlock();
+	}
 }
 
 META_COLLECTOR(int_sk_refcnt)
-- 
GitLab


From c6d14c84566d6b70ad9dc1618db0dec87cca9300 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 4 Nov 2009 05:43:23 -0800
Subject: [PATCH 0881/1815] net: Introduce for_each_netdev_rcu() iterator

Adds RCU management to the list of netdevices.

Convert some for_each_netdev() users to RCU version, if
it can avoid read_lock-ing dev_base_lock

Ie:
	read_lock(&dev_base_loack);
	for_each_netdev(net, dev)
		some_action();
	read_unlock(&dev_base_lock);

becomes :

	rcu_read_lock();
	for_each_netdev_rcu(net, dev)
		some_action();
	rcu_read_unlock();


Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/netdevice.h |  2 ++
 net/core/dev.c            | 30 ++++++++++++++++--------------
 net/decnet/af_decnet.c    |  6 +++---
 net/decnet/dn_fib.c       |  6 +++---
 net/decnet/dn_route.c     |  6 +++---
 net/ipv4/devinet.c        | 30 +++++++++++-------------------
 net/ipv6/addrconf.c       | 20 +++++++-------------
 net/ipv6/anycast.c        |  6 +++---
 net/netrom/nr_route.c     | 15 ++++++++-------
 net/rose/rose_route.c     | 18 +++++++++---------
 net/sctp/protocol.c       |  6 +++---
 11 files changed, 68 insertions(+), 77 deletions(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index bcf1083857f..5077de02831 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1081,6 +1081,8 @@ extern rwlock_t				dev_base_lock;		/* Device list lock */
 
 #define for_each_netdev(net, d)		\
 		list_for_each_entry(d, &(net)->dev_base_head, dev_list)
+#define for_each_netdev_rcu(net, d)		\
+		list_for_each_entry_rcu(d, &(net)->dev_base_head, dev_list)
 #define for_each_netdev_safe(net, d, n)	\
 		list_for_each_entry_safe(d, n, &(net)->dev_base_head, dev_list)
 #define for_each_netdev_continue(net, d)		\
diff --git a/net/core/dev.c b/net/core/dev.c
index 76a1502efe6..bf629ac08b8 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -175,7 +175,7 @@ static struct list_head ptype_all __read_mostly;	/* Taps */
  * The @dev_base_head list is protected by @dev_base_lock and the rtnl
  * semaphore.
  *
- * Pure readers hold dev_base_lock for reading.
+ * Pure readers hold dev_base_lock for reading, or rcu_read_lock()
  *
  * Writers must hold the rtnl semaphore while they loop through the
  * dev_base_head list, and hold dev_base_lock for writing when they do the
@@ -212,7 +212,7 @@ static int list_netdevice(struct net_device *dev)
 	ASSERT_RTNL();
 
 	write_lock_bh(&dev_base_lock);
-	list_add_tail(&dev->dev_list, &net->dev_base_head);
+	list_add_tail_rcu(&dev->dev_list, &net->dev_base_head);
 	hlist_add_head_rcu(&dev->name_hlist, dev_name_hash(net, dev->name));
 	hlist_add_head_rcu(&dev->index_hlist,
 			   dev_index_hash(net, dev->ifindex));
@@ -229,7 +229,7 @@ static void unlist_netdevice(struct net_device *dev)
 
 	/* Unlink dev from the device chain */
 	write_lock_bh(&dev_base_lock);
-	list_del(&dev->dev_list);
+	list_del_rcu(&dev->dev_list);
 	hlist_del_rcu(&dev->name_hlist);
 	hlist_del_rcu(&dev->index_hlist);
 	write_unlock_bh(&dev_base_lock);
@@ -799,15 +799,15 @@ struct net_device *dev_get_by_flags(struct net *net, unsigned short if_flags,
 	struct net_device *dev, *ret;
 
 	ret = NULL;
-	read_lock(&dev_base_lock);
-	for_each_netdev(net, dev) {
+	rcu_read_lock();
+	for_each_netdev_rcu(net, dev) {
 		if (((dev->flags ^ if_flags) & mask) == 0) {
 			dev_hold(dev);
 			ret = dev;
 			break;
 		}
 	}
-	read_unlock(&dev_base_lock);
+	rcu_read_unlock();
 	return ret;
 }
 EXPORT_SYMBOL(dev_get_by_flags);
@@ -3077,18 +3077,18 @@ static int dev_ifconf(struct net *net, char __user *arg)
  *	in detail.
  */
 void *dev_seq_start(struct seq_file *seq, loff_t *pos)
-	__acquires(dev_base_lock)
+	__acquires(RCU)
 {
 	struct net *net = seq_file_net(seq);
 	loff_t off;
 	struct net_device *dev;
 
-	read_lock(&dev_base_lock);
+	rcu_read_lock();
 	if (!*pos)
 		return SEQ_START_TOKEN;
 
 	off = 1;
-	for_each_netdev(net, dev)
+	for_each_netdev_rcu(net, dev)
 		if (off++ == *pos)
 			return dev;
 
@@ -3097,16 +3097,18 @@ void *dev_seq_start(struct seq_file *seq, loff_t *pos)
 
 void *dev_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 {
-	struct net *net = seq_file_net(seq);
+	struct net_device *dev = (v == SEQ_START_TOKEN) ?
+				  first_net_device(seq_file_net(seq)) :
+				  next_net_device((struct net_device *)v);
+
 	++*pos;
-	return v == SEQ_START_TOKEN ?
-		first_net_device(net) : next_net_device((struct net_device *)v);
+	return rcu_dereference(dev);
 }
 
 void dev_seq_stop(struct seq_file *seq, void *v)
-	__releases(dev_base_lock)
+	__releases(RCU)
 {
-	read_unlock(&dev_base_lock);
+	rcu_read_unlock();
 }
 
 static void dev_seq_printf_stats(struct seq_file *seq, struct net_device *dev)
diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index 664965c87e1..2e355841ca9 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -749,9 +749,9 @@ static int dn_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 
 	if (!(saddr->sdn_flags & SDF_WILD)) {
 		if (le16_to_cpu(saddr->sdn_nodeaddrl)) {
-			read_lock(&dev_base_lock);
+			rcu_read_lock();
 			ldev = NULL;
-			for_each_netdev(&init_net, dev) {
+			for_each_netdev_rcu(&init_net, dev) {
 				if (!dev->dn_ptr)
 					continue;
 				if (dn_dev_islocal(dev, dn_saddr2dn(saddr))) {
@@ -759,7 +759,7 @@ static int dn_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 					break;
 				}
 			}
-			read_unlock(&dev_base_lock);
+			rcu_read_unlock();
 			if (ldev == NULL)
 				return -EADDRNOTAVAIL;
 		}
diff --git a/net/decnet/dn_fib.c b/net/decnet/dn_fib.c
index 27ea2e9b080..fd641f65e09 100644
--- a/net/decnet/dn_fib.c
+++ b/net/decnet/dn_fib.c
@@ -607,8 +607,8 @@ static void dn_fib_del_ifaddr(struct dn_ifaddr *ifa)
 	ASSERT_RTNL();
 
 	/* Scan device list */
-	read_lock(&dev_base_lock);
-	for_each_netdev(&init_net, dev) {
+	rcu_read_lock();
+	for_each_netdev_rcu(&init_net, dev) {
 		dn_db = dev->dn_ptr;
 		if (dn_db == NULL)
 			continue;
@@ -619,7 +619,7 @@ static void dn_fib_del_ifaddr(struct dn_ifaddr *ifa)
 			}
 		}
 	}
-	read_unlock(&dev_base_lock);
+	rcu_read_unlock();
 
 	if (found_it == 0) {
 		fib_magic(RTM_DELROUTE, RTN_LOCAL, ifa->ifa_local, 16, ifa);
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index 57662cabaf9..860286a3921 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -908,8 +908,8 @@ static int dn_route_output_slow(struct dst_entry **pprt, const struct flowi *old
 			dev_put(dev_out);
 			goto out;
 		}
-		read_lock(&dev_base_lock);
-		for_each_netdev(&init_net, dev) {
+		rcu_read_lock();
+		for_each_netdev_rcu(&init_net, dev) {
 			if (!dev->dn_ptr)
 				continue;
 			if (!dn_dev_islocal(dev, oldflp->fld_src))
@@ -922,7 +922,7 @@ static int dn_route_output_slow(struct dst_entry **pprt, const struct flowi *old
 			dev_out = dev;
 			break;
 		}
-		read_unlock(&dev_base_lock);
+		rcu_read_unlock();
 		if (dev_out == NULL)
 			goto out;
 		dev_hold(dev_out);
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index ccccaae50b2..8aa7a134c1f 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -876,19 +876,16 @@ __be32 inet_select_addr(const struct net_device *dev, __be32 dst, int scope)
 		if (!addr)
 			addr = ifa->ifa_local;
 	} endfor_ifa(in_dev);
-no_in_dev:
-	rcu_read_unlock();
 
+no_in_dev:
 	if (addr)
-		goto out;
+		goto out_unlock;
 
 	/* Not loopback addresses on loopback should be preferred
 	   in this case. It is importnat that lo is the first interface
 	   in dev_base list.
 	 */
-	read_lock(&dev_base_lock);
-	rcu_read_lock();
-	for_each_netdev(net, dev) {
+	for_each_netdev_rcu(net, dev) {
 		if ((in_dev = __in_dev_get_rcu(dev)) == NULL)
 			continue;
 
@@ -896,12 +893,11 @@ no_in_dev:
 			if (ifa->ifa_scope != RT_SCOPE_LINK &&
 			    ifa->ifa_scope <= scope) {
 				addr = ifa->ifa_local;
-				goto out_unlock_both;
+				goto out_unlock;
 			}
 		} endfor_ifa(in_dev);
 	}
-out_unlock_both:
-	read_unlock(&dev_base_lock);
+out_unlock:
 	rcu_read_unlock();
 out:
 	return addr;
@@ -962,9 +958,8 @@ __be32 inet_confirm_addr(struct in_device *in_dev,
 		return confirm_addr_indev(in_dev, dst, local, scope);
 
 	net = dev_net(in_dev->dev);
-	read_lock(&dev_base_lock);
 	rcu_read_lock();
-	for_each_netdev(net, dev) {
+	for_each_netdev_rcu(net, dev) {
 		if ((in_dev = __in_dev_get_rcu(dev))) {
 			addr = confirm_addr_indev(in_dev, dst, local, scope);
 			if (addr)
@@ -972,7 +967,6 @@ __be32 inet_confirm_addr(struct in_device *in_dev,
 		}
 	}
 	rcu_read_unlock();
-	read_unlock(&dev_base_lock);
 
 	return addr;
 }
@@ -1240,18 +1234,18 @@ static void devinet_copy_dflt_conf(struct net *net, int i)
 {
 	struct net_device *dev;
 
-	read_lock(&dev_base_lock);
-	for_each_netdev(net, dev) {
+	rcu_read_lock();
+	for_each_netdev_rcu(net, dev) {
 		struct in_device *in_dev;
-		rcu_read_lock();
+
 		in_dev = __in_dev_get_rcu(dev);
 		if (in_dev && !test_bit(i, in_dev->cnf.state))
 			in_dev->cnf.data[i] = net->ipv4.devconf_dflt->data[i];
-		rcu_read_unlock();
 	}
-	read_unlock(&dev_base_lock);
+	rcu_read_unlock();
 }
 
+/* called with RTNL locked */
 static void inet_forward_change(struct net *net)
 {
 	struct net_device *dev;
@@ -1260,7 +1254,6 @@ static void inet_forward_change(struct net *net)
 	IPV4_DEVCONF_ALL(net, ACCEPT_REDIRECTS) = !on;
 	IPV4_DEVCONF_DFLT(net, FORWARDING) = on;
 
-	read_lock(&dev_base_lock);
 	for_each_netdev(net, dev) {
 		struct in_device *in_dev;
 		if (on)
@@ -1271,7 +1264,6 @@ static void inet_forward_change(struct net *net)
 			IN_DEV_CONF_SET(in_dev, FORWARDING, on);
 		rcu_read_unlock();
 	}
-	read_unlock(&dev_base_lock);
 }
 
 static int devinet_conf_proc(ctl_table *ctl, int write,
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 91864840961..024bba30de2 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -481,9 +481,8 @@ static void addrconf_forward_change(struct net *net, __s32 newf)
 	struct net_device *dev;
 	struct inet6_dev *idev;
 
-	read_lock(&dev_base_lock);
-	for_each_netdev(net, dev) {
-		rcu_read_lock();
+	rcu_read_lock();
+	for_each_netdev_rcu(net, dev) {
 		idev = __in6_dev_get(dev);
 		if (idev) {
 			int changed = (!idev->cnf.forwarding) ^ (!newf);
@@ -491,9 +490,8 @@ static void addrconf_forward_change(struct net *net, __s32 newf)
 			if (changed)
 				dev_forward_change(idev);
 		}
-		rcu_read_unlock();
 	}
-	read_unlock(&dev_base_lock);
+	rcu_read_unlock();
 }
 
 static int addrconf_fixup_forwarding(struct ctl_table *table, int *p, int old)
@@ -1137,10 +1135,9 @@ int ipv6_dev_get_saddr(struct net *net, struct net_device *dst_dev,
 	hiscore->rule = -1;
 	hiscore->ifa = NULL;
 
-	read_lock(&dev_base_lock);
 	rcu_read_lock();
 
-	for_each_netdev(net, dev) {
+	for_each_netdev_rcu(net, dev) {
 		struct inet6_dev *idev;
 
 		/* Candidate Source Address (section 4)
@@ -1235,7 +1232,6 @@ try_nextdev:
 		read_unlock_bh(&idev->lock);
 	}
 	rcu_read_unlock();
-	read_unlock(&dev_base_lock);
 
 	if (!hiscore->ifa)
 		return -EADDRNOTAVAIL;
@@ -4052,9 +4048,8 @@ static void addrconf_disable_change(struct net *net, __s32 newf)
 	struct net_device *dev;
 	struct inet6_dev *idev;
 
-	read_lock(&dev_base_lock);
-	for_each_netdev(net, dev) {
-		rcu_read_lock();
+	rcu_read_lock();
+	for_each_netdev_rcu(net, dev) {
 		idev = __in6_dev_get(dev);
 		if (idev) {
 			int changed = (!idev->cnf.disable_ipv6) ^ (!newf);
@@ -4062,9 +4057,8 @@ static void addrconf_disable_change(struct net *net, __s32 newf)
 			if (changed)
 				dev_disable_change(idev);
 		}
-		rcu_read_unlock();
 	}
-	read_unlock(&dev_base_lock);
+	rcu_read_unlock();
 }
 
 static int addrconf_disable_ipv6(struct ctl_table *table, int *p, int old)
diff --git a/net/ipv6/anycast.c b/net/ipv6/anycast.c
index 1ae58bec1de..2f00ca83f04 100644
--- a/net/ipv6/anycast.c
+++ b/net/ipv6/anycast.c
@@ -404,13 +404,13 @@ int ipv6_chk_acast_addr(struct net *net, struct net_device *dev,
 
 	if (dev)
 		return ipv6_chk_acast_dev(dev, addr);
-	read_lock(&dev_base_lock);
-	for_each_netdev(net, dev)
+	rcu_read_lock();
+	for_each_netdev_rcu(net, dev)
 		if (ipv6_chk_acast_dev(dev, addr)) {
 			found = 1;
 			break;
 		}
-	read_unlock(&dev_base_lock);
+	rcu_read_unlock();
 	return found;
 }
 
diff --git a/net/netrom/nr_route.c b/net/netrom/nr_route.c
index 4eb1ac9a767..aacba76070f 100644
--- a/net/netrom/nr_route.c
+++ b/net/netrom/nr_route.c
@@ -597,15 +597,15 @@ struct net_device *nr_dev_first(void)
 {
 	struct net_device *dev, *first = NULL;
 
-	read_lock(&dev_base_lock);
-	for_each_netdev(&init_net, dev) {
+	rcu_read_lock();
+	for_each_netdev_rcu(&init_net, dev) {
 		if ((dev->flags & IFF_UP) && dev->type == ARPHRD_NETROM)
 			if (first == NULL || strncmp(dev->name, first->name, 3) < 0)
 				first = dev;
 	}
 	if (first)
 		dev_hold(first);
-	read_unlock(&dev_base_lock);
+	rcu_read_unlock();
 
 	return first;
 }
@@ -617,16 +617,17 @@ struct net_device *nr_dev_get(ax25_address *addr)
 {
 	struct net_device *dev;
 
-	read_lock(&dev_base_lock);
-	for_each_netdev(&init_net, dev) {
-		if ((dev->flags & IFF_UP) && dev->type == ARPHRD_NETROM && ax25cmp(addr, (ax25_address *)dev->dev_addr) == 0) {
+	rcu_read_lock();
+	for_each_netdev_rcu(&init_net, dev) {
+		if ((dev->flags & IFF_UP) && dev->type == ARPHRD_NETROM &&
+		    ax25cmp(addr, (ax25_address *)dev->dev_addr) == 0) {
 			dev_hold(dev);
 			goto out;
 		}
 	}
 	dev = NULL;
 out:
-	read_unlock(&dev_base_lock);
+	rcu_read_unlock();
 	return dev;
 }
 
diff --git a/net/rose/rose_route.c b/net/rose/rose_route.c
index 9478d9b3d97..d936226916f 100644
--- a/net/rose/rose_route.c
+++ b/net/rose/rose_route.c
@@ -600,13 +600,13 @@ struct net_device *rose_dev_first(void)
 {
 	struct net_device *dev, *first = NULL;
 
-	read_lock(&dev_base_lock);
-	for_each_netdev(&init_net, dev) {
+	rcu_read_lock();
+	for_each_netdev_rcu(&init_net, dev) {
 		if ((dev->flags & IFF_UP) && dev->type == ARPHRD_ROSE)
 			if (first == NULL || strncmp(dev->name, first->name, 3) < 0)
 				first = dev;
 	}
-	read_unlock(&dev_base_lock);
+	rcu_read_unlock();
 
 	return first;
 }
@@ -618,8 +618,8 @@ struct net_device *rose_dev_get(rose_address *addr)
 {
 	struct net_device *dev;
 
-	read_lock(&dev_base_lock);
-	for_each_netdev(&init_net, dev) {
+	rcu_read_lock();
+	for_each_netdev_rcu(&init_net, dev) {
 		if ((dev->flags & IFF_UP) && dev->type == ARPHRD_ROSE && rosecmp(addr, (rose_address *)dev->dev_addr) == 0) {
 			dev_hold(dev);
 			goto out;
@@ -627,7 +627,7 @@ struct net_device *rose_dev_get(rose_address *addr)
 	}
 	dev = NULL;
 out:
-	read_unlock(&dev_base_lock);
+	rcu_read_unlock();
 	return dev;
 }
 
@@ -635,14 +635,14 @@ static int rose_dev_exists(rose_address *addr)
 {
 	struct net_device *dev;
 
-	read_lock(&dev_base_lock);
-	for_each_netdev(&init_net, dev) {
+	rcu_read_lock();
+	for_each_netdev_rcu(&init_net, dev) {
 		if ((dev->flags & IFF_UP) && dev->type == ARPHRD_ROSE && rosecmp(addr, (rose_address *)dev->dev_addr) == 0)
 			goto out;
 	}
 	dev = NULL;
 out:
-	read_unlock(&dev_base_lock);
+	rcu_read_unlock();
 	return dev != NULL;
 }
 
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index d9f4cc2c786..fe44c57101d 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -205,14 +205,14 @@ static void sctp_get_local_addr_list(void)
 	struct list_head *pos;
 	struct sctp_af *af;
 
-	read_lock(&dev_base_lock);
-	for_each_netdev(&init_net, dev) {
+	rcu_read_lock();
+	for_each_netdev_rcu(&init_net, dev) {
 		__list_for_each(pos, &sctp_address_families) {
 			af = list_entry(pos, struct sctp_af, list);
 			af->copy_addrlist(&sctp_local_addr_list, dev);
 		}
 	}
-	read_unlock(&dev_base_lock);
+	rcu_read_unlock();
 }
 
 /* Free the existing local addresses.  */
-- 
GitLab


From b8883a65be2d925ea82b14ca0068ce9a6c8bac1f Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Wed, 4 Nov 2009 08:37:31 -0800
Subject: [PATCH 0882/1815] NET: sungem, use spin_trylock_irqsave

Use spin_trylock_irqsave instead of open-coded
local_irq_save+spin_trylock.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sungem.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c
index 305ec3d783d..d6f4faf5bbc 100644
--- a/drivers/net/sungem.c
+++ b/drivers/net/sungem.c
@@ -1033,10 +1033,8 @@ static netdev_tx_t gem_start_xmit(struct sk_buff *skb,
 			(csum_stuff_off << 21));
 	}
 
-	local_irq_save(flags);
-	if (!spin_trylock(&gp->tx_lock)) {
+	if (!spin_trylock_irqsave(&gp->tx_lock, flags)) {
 		/* Tell upper layer to requeue */
-		local_irq_restore(flags);
 		return NETDEV_TX_LOCKED;
 	}
 	/* We raced with gem_do_stop() */
-- 
GitLab


From d94d9fee9fa4e66a0b91640a694b8b10177075b3 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 4 Nov 2009 09:50:58 -0800
Subject: [PATCH 0883/1815] net: cleanup include/linux

This cleanup patch puts struct/union/enum opening braces,
in first line to ease grep games.

struct something
{

becomes :

struct something {

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/dn.h                            |   9 +-
 include/linux/errqueue.h                      |   6 +-
 include/linux/fib_rules.h                     |   9 +-
 include/linux/filter.h                        |   6 +-
 include/linux/gen_stats.h                     |  15 +--
 include/linux/if.h                            |  15 +--
 include/linux/if_addr.h                       |   9 +-
 include/linux/if_addrlabel.h                  |   6 +-
 include/linux/if_arcnet.h                     |  18 +--
 include/linux/if_arp.h                        |   3 +-
 include/linux/if_bonding.h                    |   3 +-
 include/linux/if_bridge.h                     |   9 +-
 include/linux/if_ec.h                         |  12 +-
 include/linux/if_fddi.h                       |  22 ++--
 include/linux/if_hippi.h                      |  15 +--
 include/linux/if_link.h                       |  27 ++---
 include/linux/if_packet.h                     |  27 ++---
 include/linux/if_plip.h                       |   3 +-
 include/linux/if_pppol2tp.h                   |   3 +-
 include/linux/if_tunnel.h                     |   6 +-
 include/linux/igmp.h                          |  15 +--
 include/linux/in.h                            |  18 +--
 include/linux/in6.h                           |   9 +-
 include/linux/inetdevice.h                    |   9 +-
 include/linux/ip_vs.h                         |   3 +-
 include/linux/mroute.h                        |  18 +--
 include/linux/mroute6.h                       |  15 +--
 include/linux/neighbour.h                     |  18 +--
 include/linux/netdevice.h                     |  30 ++---
 include/linux/netfilter.h                     |   6 +-
 include/linux/netfilter/nf_conntrack_common.h |   6 +-
 include/linux/netfilter/nf_conntrack_ftp.h    |   3 +-
 include/linux/netfilter/nf_conntrack_sctp.h   |   3 +-
 include/linux/netfilter/nf_conntrack_tcp.h    |   3 +-
 include/linux/netfilter/nfnetlink.h           |   6 +-
 include/linux/netfilter/nfnetlink_compat.h    |   3 +-
 include/linux/netfilter/x_tables.h            |  45 +++----
 include/linux/netfilter/xt_connbytes.h        |   3 +-
 include/linux/netfilter/xt_esp.h              |   3 +-
 include/linux/netfilter/xt_multiport.h        |   9 +-
 include/linux/netfilter/xt_policy.h           |  18 +--
 include/linux/netfilter/xt_state.h            |   3 +-
 include/linux/netfilter/xt_string.h           |   3 +-
 include/linux/netfilter/xt_tcpudp.h           |   6 +-
 include/linux/netfilter_arp/arp_tables.h      |  21 ++--
 include/linux/netfilter_bridge/ebt_802_3.h    |   3 +-
 include/linux/netfilter_bridge/ebt_among.h    |   9 +-
 include/linux/netfilter_bridge/ebt_arpreply.h |   3 +-
 include/linux/netfilter_bridge/ebt_ip.h       |   3 +-
 include/linux/netfilter_bridge/ebt_ip6.h      |   3 +-
 include/linux/netfilter_bridge/ebt_limit.h    |   3 +-
 include/linux/netfilter_bridge/ebt_log.h      |   3 +-
 include/linux/netfilter_bridge/ebt_mark_m.h   |   3 +-
 include/linux/netfilter_bridge/ebt_mark_t.h   |   3 +-
 include/linux/netfilter_bridge/ebt_nat.h      |   3 +-
 include/linux/netfilter_bridge/ebt_pkttype.h  |   3 +-
 include/linux/netfilter_bridge/ebt_redirect.h |   3 +-
 include/linux/netfilter_bridge/ebt_stp.h      |   6 +-
 include/linux/netfilter_bridge/ebtables.h     |  39 ++----
 include/linux/netfilter_ipv4/ip_tables.h      |  27 ++---
 include/linux/netfilter_ipv4/ipt_SAME.h       |   3 +-
 include/linux/netfilter_ipv4/ipt_ah.h         |   3 +-
 include/linux/netfilter_ipv6/ip6_tables.h     |  27 ++---
 include/linux/netfilter_ipv6/ip6t_ah.h        |   3 +-
 include/linux/netfilter_ipv6/ip6t_frag.h      |   3 +-
 .../linux/netfilter_ipv6/ip6t_ipv6header.h    |   3 +-
 include/linux/netfilter_ipv6/ip6t_mh.h        |   3 +-
 include/linux/netfilter_ipv6/ip6t_opts.h      |   3 +-
 include/linux/netfilter_ipv6/ip6t_rt.h        |   3 +-
 include/linux/netlink.h                       |  24 ++--
 include/linux/pkt_cls.h                       |  84 +++++--------
 include/linux/pkt_sched.h                     | 111 ++++++------------
 include/linux/route.h                         |   3 +-
 include/linux/rtnetlink.h                     |  57 +++------
 include/linux/skbuff.h                        |   3 +-
 include/linux/tc_act/tc_defact.h              |   6 +-
 include/linux/tc_act/tc_gact.h                |   9 +-
 include/linux/tc_act/tc_ipt.h                 |   3 +-
 include/linux/tc_act/tc_mirred.h              |   6 +-
 include/linux/tc_act/tc_nat.h                 |   6 +-
 include/linux/tc_act/tc_pedit.h               |   9 +-
 include/linux/tc_ematch/tc_em_cmp.h           |   6 +-
 include/linux/tc_ematch/tc_em_meta.h          |  15 +--
 include/linux/tc_ematch/tc_em_nbyte.h         |   3 +-
 include/linux/tc_ematch/tc_em_text.h          |   3 +-
 include/linux/tcp.h                           |   6 +-
 include/linux/xfrm.h                          |  27 ++---
 87 files changed, 351 insertions(+), 694 deletions(-)

diff --git a/include/linux/dn.h b/include/linux/dn.h
index fe999082319..9c50445462d 100644
--- a/include/linux/dn.h
+++ b/include/linux/dn.h
@@ -71,14 +71,12 @@
 /* Structures */
 
 
-struct dn_naddr 
-{
+struct dn_naddr {
 	__le16		a_len;
 	__u8 a_addr[DN_MAXADDL]; /* Two bytes little endian */
 };
 
-struct sockaddr_dn
-{
+struct sockaddr_dn {
 	__u16		sdn_family;
 	__u8		sdn_flags;
 	__u8		sdn_objnum;
@@ -101,8 +99,7 @@ struct optdata_dn {
         __u8   opt_data[16];   /* User data              */
 };
 
-struct accessdata_dn
-{
+struct accessdata_dn {
 	__u8		acc_accl;
 	__u8		acc_acc[DN_MAXACCL];
 	__u8 		acc_passl;
diff --git a/include/linux/errqueue.h b/include/linux/errqueue.h
index ec12cc74366..034072cea85 100644
--- a/include/linux/errqueue.h
+++ b/include/linux/errqueue.h
@@ -3,8 +3,7 @@
 
 #include <linux/types.h>
 
-struct sock_extended_err
-{
+struct sock_extended_err {
 	__u32	ee_errno;	
 	__u8	ee_origin;
 	__u8	ee_type;
@@ -31,8 +30,7 @@ struct sock_extended_err
 
 #define SKB_EXT_ERR(skb) ((struct sock_exterr_skb *) ((skb)->cb))
 
-struct sock_exterr_skb
-{
+struct sock_exterr_skb {
 	union {
 		struct inet_skb_parm	h4;
 #if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
diff --git a/include/linux/fib_rules.h b/include/linux/fib_rules.h
index 87b606b63f1..c7e5b700bb9 100644
--- a/include/linux/fib_rules.h
+++ b/include/linux/fib_rules.h
@@ -13,8 +13,7 @@
 /* try to find source address in routing lookups */
 #define FIB_RULE_FIND_SADDR	0x00010000
 
-struct fib_rule_hdr
-{
+struct fib_rule_hdr {
 	__u8		family;
 	__u8		dst_len;
 	__u8		src_len;
@@ -28,8 +27,7 @@ struct fib_rule_hdr
 	__u32		flags;
 };
 
-enum
-{
+enum {
 	FRA_UNSPEC,
 	FRA_DST,	/* destination address */
 	FRA_SRC,	/* source address */
@@ -52,8 +50,7 @@ enum
 
 #define FRA_MAX (__FRA_MAX - 1)
 
-enum
-{
+enum {
 	FR_ACT_UNSPEC,
 	FR_ACT_TO_TBL,		/* Pass to fixed table */
 	FR_ACT_GOTO,		/* Jump to another rule */
diff --git a/include/linux/filter.h b/include/linux/filter.h
index bb3b4352978..29a0e3db9f4 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -23,16 +23,14 @@
  *	the BPF code definitions which need to match so you can share filters
  */
  
-struct sock_filter	/* Filter block */
-{
+struct sock_filter {	/* Filter block */
 	__u16	code;   /* Actual filter code */
 	__u8	jt;	/* Jump true */
 	__u8	jf;	/* Jump false */
 	__u32	k;      /* Generic multiuse field */
 };
 
-struct sock_fprog	/* Required for SO_ATTACH_FILTER. */
-{
+struct sock_fprog {	/* Required for SO_ATTACH_FILTER. */
 	unsigned short		len;	/* Number of filter blocks */
 	struct sock_filter __user *filter;
 };
diff --git a/include/linux/gen_stats.h b/include/linux/gen_stats.h
index 710e901085d..552c8a0a12d 100644
--- a/include/linux/gen_stats.h
+++ b/include/linux/gen_stats.h
@@ -18,13 +18,11 @@ enum {
  * @bytes: number of seen bytes
  * @packets: number of seen packets
  */
-struct gnet_stats_basic
-{
+struct gnet_stats_basic {
 	__u64	bytes;
 	__u32	packets;
 };
-struct gnet_stats_basic_packed
-{
+struct gnet_stats_basic_packed {
 	__u64	bytes;
 	__u32	packets;
 } __attribute__ ((packed));
@@ -34,8 +32,7 @@ struct gnet_stats_basic_packed
  * @bps: current byte rate
  * @pps: current packet rate
  */
-struct gnet_stats_rate_est
-{
+struct gnet_stats_rate_est {
 	__u32	bps;
 	__u32	pps;
 };
@@ -48,8 +45,7 @@ struct gnet_stats_rate_est
  * @requeues: number of requeues
  * @overlimits: number of enqueues over the limit
  */
-struct gnet_stats_queue
-{
+struct gnet_stats_queue {
 	__u32	qlen;
 	__u32	backlog;
 	__u32	drops;
@@ -62,8 +58,7 @@ struct gnet_stats_queue
  * @interval: sampling period
  * @ewma_log: the log of measurement window weight
  */
-struct gnet_estimator
-{
+struct gnet_estimator {
 	signed char	interval;
 	unsigned char	ewma_log;
 };
diff --git a/include/linux/if.h b/include/linux/if.h
index b9a6229f3be..3b2a46bf8f8 100644
--- a/include/linux/if.h
+++ b/include/linux/if.h
@@ -125,8 +125,7 @@ enum {
  *	being very small might be worth keeping for clean configuration.
  */
 
-struct ifmap 
-{
+struct ifmap {
 	unsigned long mem_start;
 	unsigned long mem_end;
 	unsigned short base_addr; 
@@ -136,8 +135,7 @@ struct ifmap
 	/* 3 bytes spare */
 };
 
-struct if_settings
-{
+struct if_settings {
 	unsigned int type;	/* Type of physical device or protocol */
 	unsigned int size;	/* Size of the data allocated by the caller */
 	union {
@@ -161,8 +159,7 @@ struct if_settings
  * remainder may be interface specific.
  */
 
-struct ifreq 
-{
+struct ifreq {
 #define IFHWADDRLEN	6
 	union
 	{
@@ -211,11 +208,9 @@ struct ifreq
  * must know all networks accessible).
  */
 
-struct ifconf 
-{
+struct ifconf  {
 	int	ifc_len;			/* size of buffer	*/
-	union 
-	{
+	union {
 		char __user *ifcu_buf;
 		struct ifreq __user *ifcu_req;
 	} ifc_ifcu;
diff --git a/include/linux/if_addr.h b/include/linux/if_addr.h
index fd974046675..23357ab81a7 100644
--- a/include/linux/if_addr.h
+++ b/include/linux/if_addr.h
@@ -4,8 +4,7 @@
 #include <linux/types.h>
 #include <linux/netlink.h>
 
-struct ifaddrmsg
-{
+struct ifaddrmsg {
 	__u8		ifa_family;
 	__u8		ifa_prefixlen;	/* The prefix length		*/
 	__u8		ifa_flags;	/* Flags			*/
@@ -20,8 +19,7 @@ struct ifaddrmsg
  * but for point-to-point IFA_ADDRESS is DESTINATION address,
  * local address is supplied in IFA_LOCAL attribute.
  */
-enum
-{
+enum {
 	IFA_UNSPEC,
 	IFA_ADDRESS,
 	IFA_LOCAL,
@@ -47,8 +45,7 @@ enum
 #define IFA_F_TENTATIVE		0x40
 #define IFA_F_PERMANENT		0x80
 
-struct ifa_cacheinfo
-{
+struct ifa_cacheinfo {
 	__u32	ifa_prefered;
 	__u32	ifa_valid;
 	__u32	cstamp; /* created timestamp, hundredths of seconds */
diff --git a/include/linux/if_addrlabel.h b/include/linux/if_addrlabel.h
index 89571f65d6d..54580c29818 100644
--- a/include/linux/if_addrlabel.h
+++ b/include/linux/if_addrlabel.h
@@ -12,8 +12,7 @@
 
 #include <linux/types.h>
 
-struct ifaddrlblmsg
-{
+struct ifaddrlblmsg {
 	__u8		ifal_family;		/* Address family */
 	__u8		__ifal_reserved;	/* Reserved */
 	__u8		ifal_prefixlen;		/* Prefix length */
@@ -22,8 +21,7 @@ struct ifaddrlblmsg
 	__u32		ifal_seq;		/* sequence number */
 };
 
-enum
-{
+enum {
 	IFAL_ADDRESS = 1,
 	IFAL_LABEL = 2,
 	__IFAL_MAX
diff --git a/include/linux/if_arcnet.h b/include/linux/if_arcnet.h
index 0835debab11..46e34bd0e78 100644
--- a/include/linux/if_arcnet.h
+++ b/include/linux/if_arcnet.h
@@ -56,8 +56,7 @@
 /*
  * The RFC1201-specific components of an arcnet packet header.
  */
-struct arc_rfc1201
-{
+struct arc_rfc1201 {
     __u8  proto;		/* protocol ID field - varies		*/
     __u8  split_flag;	/* for use with split packets		*/
     __be16   sequence;		/* sequence number			*/
@@ -69,8 +68,7 @@ struct arc_rfc1201
 /*
  * The RFC1051-specific components.
  */
-struct arc_rfc1051
-{
+struct arc_rfc1051 {
     __u8 proto;		/* ARC_P_RFC1051_ARP/RFC1051_IP	*/
     __u8 payload[0];		/* 507 bytes			*/
 };
@@ -81,8 +79,7 @@ struct arc_rfc1051
  * The ethernet-encap-specific components.  We have a real ethernet header
  * and some data.
  */
-struct arc_eth_encap
-{
+struct arc_eth_encap {
     __u8 proto;		/* Always ARC_P_ETHER			*/
     struct ethhdr eth;		/* standard ethernet header (yuck!)	*/
     __u8 payload[0];		/* 493 bytes				*/
@@ -90,8 +87,7 @@ struct arc_eth_encap
 #define ETH_ENCAP_HDR_SIZE 14
 
 
-struct arc_cap
-{
+struct arc_cap {
 	__u8 proto;
 	__u8 cookie[sizeof(int)];   /* Actually NOT sent over the network */
 	union {
@@ -108,8 +104,7 @@ struct arc_cap
  * the _end_ of the 512-byte buffer.  We hide this complexity inside the
  * driver.
  */
-struct arc_hardware
-{
+struct arc_hardware {
     __u8  source,		/* source ARCnet - filled in automagically */
              dest,		/* destination ARCnet - 0 for broadcast    */
     	     offset[2];		/* offset bytes (some weird semantics)     */
@@ -120,8 +115,7 @@ struct arc_hardware
  * This is an ARCnet frame header, as seen by the kernel (and userspace,
  * when you do a raw packet capture).
  */
-struct archdr
-{
+struct archdr {
     /* hardware requirements */
     struct arc_hardware hard;
      
diff --git a/include/linux/if_arp.h b/include/linux/if_arp.h
index 282eb37e2de..e80b7f88f7c 100644
--- a/include/linux/if_arp.h
+++ b/include/linux/if_arp.h
@@ -133,8 +133,7 @@ struct arpreq_old {
  *	This structure defines an ethernet arp header.
  */
 
-struct arphdr
-{
+struct arphdr {
 	__be16		ar_hrd;		/* format of hardware address	*/
 	__be16		ar_pro;		/* format of protocol address	*/
 	unsigned char	ar_hln;		/* length of hardware address	*/
diff --git a/include/linux/if_bonding.h b/include/linux/if_bonding.h
index 65c2d247068..cd525fae3c9 100644
--- a/include/linux/if_bonding.h
+++ b/include/linux/if_bonding.h
@@ -94,8 +94,7 @@ typedef struct ifbond {
 	__s32 miimon;
 } ifbond;
 
-typedef struct ifslave
-{
+typedef struct ifslave {
 	__s32 slave_id; /* Used as an IN param to the BOND_SLAVE_INFO_QUERY ioctl */
 	char slave_name[IFNAMSIZ];
 	__s8 link;
diff --git a/include/linux/if_bridge.h b/include/linux/if_bridge.h
index 6badb3e2c4e..938b7e81df9 100644
--- a/include/linux/if_bridge.h
+++ b/include/linux/if_bridge.h
@@ -49,8 +49,7 @@
 #define BR_STATE_FORWARDING 3
 #define BR_STATE_BLOCKING 4
 
-struct __bridge_info
-{
+struct __bridge_info {
 	__u64 designated_root;
 	__u64 bridge_id;
 	__u32 root_path_cost;
@@ -72,8 +71,7 @@ struct __bridge_info
 	__u32 gc_timer_value;
 };
 
-struct __port_info
-{
+struct __port_info {
 	__u64 designated_root;
 	__u64 designated_bridge;
 	__u16 port_id;
@@ -89,8 +87,7 @@ struct __port_info
 	__u32 hold_timer_value;
 };
 
-struct __fdb_entry
-{
+struct __fdb_entry {
 	__u8 mac_addr[6];
 	__u8 port_no;
 	__u8 is_local;
diff --git a/include/linux/if_ec.h b/include/linux/if_ec.h
index e7499aa7978..d85f9f48129 100644
--- a/include/linux/if_ec.h
+++ b/include/linux/if_ec.h
@@ -5,14 +5,12 @@
 
 /* User visible stuff. Glibc provides its own but libc5 folk will use these */
 
-struct ec_addr
-{
+struct ec_addr {
   unsigned char station;		/* Station number.  */
   unsigned char net;			/* Network number.  */
 };
 
-struct sockaddr_ec
-{
+struct sockaddr_ec {
   unsigned short sec_family;
   unsigned char port;			/* Port number.  */
   unsigned char cb;			/* Control/flag byte.  */
@@ -37,8 +35,7 @@ struct sockaddr_ec
 #define EC_HLEN				6
 
 /* This is what an Econet frame looks like on the wire. */
-struct ec_framehdr 
-{
+struct ec_framehdr {
   unsigned char dst_stn;
   unsigned char dst_net;
   unsigned char src_stn;
@@ -62,8 +59,7 @@ static inline struct econet_sock *ec_sk(const struct sock *sk)
 	return (struct econet_sock *)sk;
 }
 
-struct ec_device
-{
+struct ec_device {
   unsigned char station, net;		/* Econet protocol address */
 };
 
diff --git a/include/linux/if_fddi.h b/include/linux/if_fddi.h
index 45de1046dbb..5459c5c0993 100644
--- a/include/linux/if_fddi.h
+++ b/include/linux/if_fddi.h
@@ -63,36 +63,32 @@
 #define FDDI_UI_CMD			0x03
 
 /* Define 802.2 Type 1 header */
-struct fddi_8022_1_hdr
-	{
+struct fddi_8022_1_hdr {
 	__u8	dsap;					/* destination service access point */
 	__u8	ssap;					/* source service access point */
 	__u8	ctrl;					/* control byte #1 */
-	} __attribute__ ((packed));
+} __attribute__ ((packed));
 
 /* Define 802.2 Type 2 header */
-struct fddi_8022_2_hdr
-	{
+struct fddi_8022_2_hdr {
 	__u8	dsap;					/* destination service access point */
 	__u8	ssap;					/* source service access point */
 	__u8	ctrl_1;					/* control byte #1 */
 	__u8	ctrl_2;					/* control byte #2 */
-	} __attribute__ ((packed));
+} __attribute__ ((packed));
 
 /* Define 802.2 SNAP header */
 #define FDDI_K_OUI_LEN	3
-struct fddi_snap_hdr
-	{
+struct fddi_snap_hdr {
 	__u8	dsap;					/* always 0xAA */
 	__u8	ssap;					/* always 0xAA */
 	__u8	ctrl;					/* always 0x03 */
 	__u8	oui[FDDI_K_OUI_LEN];	/* organizational universal id */
 	__be16	ethertype;				/* packet type ID field */
-	} __attribute__ ((packed));
+} __attribute__ ((packed));
 
 /* Define FDDI LLC frame header */
-struct fddihdr
-	{
+struct fddihdr {
 	__u8	fc;						/* frame control */
 	__u8	daddr[FDDI_K_ALEN];		/* destination address */
 	__u8	saddr[FDDI_K_ALEN];		/* source address */
@@ -102,7 +98,7 @@ struct fddihdr
 		struct fddi_8022_2_hdr		llc_8022_2;
 		struct fddi_snap_hdr		llc_snap;
 		} hdr;
-	} __attribute__ ((packed));
+} __attribute__ ((packed));
 
 #ifdef __KERNEL__
 #include <linux/netdevice.h>
@@ -197,7 +193,7 @@ struct fddi_statistics {
 	__u32	port_pc_withhold[2];
 	__u32	port_ler_flag[2];
 	__u32	port_hardware_present[2];
-	};
+};
 #endif /* __KERNEL__ */
 
 #endif	/* _LINUX_IF_FDDI_H */
diff --git a/include/linux/if_hippi.h b/include/linux/if_hippi.h
index 4a7c9940b08..8d038eb8db5 100644
--- a/include/linux/if_hippi.h
+++ b/include/linux/if_hippi.h
@@ -51,8 +51,7 @@
  *	HIPPI statistics collection data. 
  */
  
-struct hipnet_statistics
-{
+struct hipnet_statistics {
 	int	rx_packets;		/* total packets received	*/
 	int	tx_packets;		/* total packets transmitted	*/
 	int	rx_errors;		/* bad packets received		*/
@@ -77,8 +76,7 @@ struct hipnet_statistics
 };
 
 
-struct hippi_fp_hdr
-{
+struct hippi_fp_hdr {
 #if 0
 	__u8		ulp;				/* must contain 4 */
 #if defined (__BIG_ENDIAN_BITFIELD)
@@ -108,8 +106,7 @@ struct hippi_fp_hdr
 	__be32		d2_size;
 } __attribute__ ((packed));
 
-struct hippi_le_hdr
-{
+struct hippi_le_hdr {
 #if defined (__BIG_ENDIAN_BITFIELD)
 	__u8		fc:3;
 	__u8		double_wide:1;
@@ -139,8 +136,7 @@ struct hippi_le_hdr
  * Looks like the dsap and ssap fields have been swapped by mistake in
  * RFC 2067 "IP over HIPPI".
  */
-struct hippi_snap_hdr
-{
+struct hippi_snap_hdr {
 	__u8	dsap;			/* always 0xAA */
 	__u8	ssap;			/* always 0xAA */
 	__u8	ctrl;			/* always 0x03 */
@@ -148,8 +144,7 @@ struct hippi_snap_hdr
 	__be16	ethertype;		/* packet type ID field */
 } __attribute__ ((packed));
 
-struct hippi_hdr
-{
+struct hippi_hdr {
 	struct hippi_fp_hdr	fp;
 	struct hippi_le_hdr	le;
 	struct hippi_snap_hdr	snap;
diff --git a/include/linux/if_link.h b/include/linux/if_link.h
index 176c5182c51..1d3b2425f66 100644
--- a/include/linux/if_link.h
+++ b/include/linux/if_link.h
@@ -5,8 +5,7 @@
 #include <linux/netlink.h>
 
 /* The struct should be in sync with struct net_device_stats */
-struct rtnl_link_stats
-{
+struct rtnl_link_stats {
 	__u32	rx_packets;		/* total packets received	*/
 	__u32	tx_packets;		/* total packets transmitted	*/
 	__u32	rx_bytes;		/* total bytes received 	*/
@@ -39,8 +38,7 @@ struct rtnl_link_stats
 };
 
 /* The struct should be in sync with struct ifmap */
-struct rtnl_link_ifmap
-{
+struct rtnl_link_ifmap {
 	__u64	mem_start;
 	__u64	mem_end;
 	__u64	base_addr;
@@ -49,8 +47,7 @@ struct rtnl_link_ifmap
 	__u8	port;
 };
 
-enum
-{
+enum {
 	IFLA_UNSPEC,
 	IFLA_ADDRESS,
 	IFLA_BROADCAST,
@@ -123,8 +120,7 @@ enum
  */
 
 /* Subtype attributes for IFLA_PROTINFO */
-enum
-{
+enum {
 	IFLA_INET6_UNSPEC,
 	IFLA_INET6_FLAGS,	/* link flags			*/
 	IFLA_INET6_CONF,	/* sysctl parameters		*/
@@ -137,16 +133,14 @@ enum
 
 #define IFLA_INET6_MAX	(__IFLA_INET6_MAX - 1)
 
-struct ifla_cacheinfo
-{
+struct ifla_cacheinfo {
 	__u32	max_reasm_len;
 	__u32	tstamp;		/* ipv6InterfaceTable updated timestamp */
 	__u32	reachable_time;
 	__u32	retrans_time;
 };
 
-enum
-{
+enum {
 	IFLA_INFO_UNSPEC,
 	IFLA_INFO_KIND,
 	IFLA_INFO_DATA,
@@ -158,8 +152,7 @@ enum
 
 /* VLAN section */
 
-enum
-{
+enum {
 	IFLA_VLAN_UNSPEC,
 	IFLA_VLAN_ID,
 	IFLA_VLAN_FLAGS,
@@ -175,8 +168,7 @@ struct ifla_vlan_flags {
 	__u32	mask;
 };
 
-enum
-{
+enum {
 	IFLA_VLAN_QOS_UNSPEC,
 	IFLA_VLAN_QOS_MAPPING,
 	__IFLA_VLAN_QOS_MAX
@@ -184,8 +176,7 @@ enum
 
 #define IFLA_VLAN_QOS_MAX	(__IFLA_VLAN_QOS_MAX - 1)
 
-struct ifla_vlan_qos_mapping
-{
+struct ifla_vlan_qos_mapping {
 	__u32 from;
 	__u32 to;
 };
diff --git a/include/linux/if_packet.h b/include/linux/if_packet.h
index dea7d6b7cf9..4021d47cc43 100644
--- a/include/linux/if_packet.h
+++ b/include/linux/if_packet.h
@@ -3,15 +3,13 @@
 
 #include <linux/types.h>
 
-struct sockaddr_pkt
-{
+struct sockaddr_pkt {
 	unsigned short spkt_family;
 	unsigned char spkt_device[14];
 	__be16 spkt_protocol;
 };
 
-struct sockaddr_ll
-{
+struct sockaddr_ll {
 	unsigned short	sll_family;
 	__be16		sll_protocol;
 	int		sll_ifindex;
@@ -49,14 +47,12 @@ struct sockaddr_ll
 #define PACKET_TX_RING			13
 #define PACKET_LOSS			14
 
-struct tpacket_stats
-{
+struct tpacket_stats {
 	unsigned int	tp_packets;
 	unsigned int	tp_drops;
 };
 
-struct tpacket_auxdata
-{
+struct tpacket_auxdata {
 	__u32		tp_status;
 	__u32		tp_len;
 	__u32		tp_snaplen;
@@ -78,8 +74,7 @@ struct tpacket_auxdata
 #define TP_STATUS_SENDING	0x2
 #define TP_STATUS_WRONG_FORMAT	0x4
 
-struct tpacket_hdr
-{
+struct tpacket_hdr {
 	unsigned long	tp_status;
 	unsigned int	tp_len;
 	unsigned int	tp_snaplen;
@@ -93,8 +88,7 @@ struct tpacket_hdr
 #define TPACKET_ALIGN(x)	(((x)+TPACKET_ALIGNMENT-1)&~(TPACKET_ALIGNMENT-1))
 #define TPACKET_HDRLEN		(TPACKET_ALIGN(sizeof(struct tpacket_hdr)) + sizeof(struct sockaddr_ll))
 
-struct tpacket2_hdr
-{
+struct tpacket2_hdr {
 	__u32		tp_status;
 	__u32		tp_len;
 	__u32		tp_snaplen;
@@ -107,8 +101,7 @@ struct tpacket2_hdr
 
 #define TPACKET2_HDRLEN		(TPACKET_ALIGN(sizeof(struct tpacket2_hdr)) + sizeof(struct sockaddr_ll))
 
-enum tpacket_versions
-{
+enum tpacket_versions {
 	TPACKET_V1,
 	TPACKET_V2,
 };
@@ -126,16 +119,14 @@ enum tpacket_versions
    - Pad to align to TPACKET_ALIGNMENT=16
  */
 
-struct tpacket_req
-{
+struct tpacket_req {
 	unsigned int	tp_block_size;	/* Minimal size of contiguous block */
 	unsigned int	tp_block_nr;	/* Number of blocks */
 	unsigned int	tp_frame_size;	/* Size of frame */
 	unsigned int	tp_frame_nr;	/* Total number of frames */
 };
 
-struct packet_mreq
-{
+struct packet_mreq {
 	int		mr_ifindex;
 	unsigned short	mr_type;
 	unsigned short	mr_alen;
diff --git a/include/linux/if_plip.h b/include/linux/if_plip.h
index 153a649915a..6298c7e88b2 100644
--- a/include/linux/if_plip.h
+++ b/include/linux/if_plip.h
@@ -15,8 +15,7 @@
 
 #define	SIOCDEVPLIP	SIOCDEVPRIVATE
 
-struct plipconf
-{
+struct plipconf {
 	unsigned short pcmd;
 	unsigned long  nibble;
 	unsigned long  trigger;
diff --git a/include/linux/if_pppol2tp.h b/include/linux/if_pppol2tp.h
index 3a14b088c8e..c58baea4a25 100644
--- a/include/linux/if_pppol2tp.h
+++ b/include/linux/if_pppol2tp.h
@@ -24,8 +24,7 @@
 /* Structure used to connect() the socket to a particular tunnel UDP
  * socket.
  */
-struct pppol2tp_addr
-{
+struct pppol2tp_addr {
 	__kernel_pid_t	pid;		/* pid that owns the fd.
 					 * 0 => current */
 	int	fd;			/* FD of UDP socket to use */
diff --git a/include/linux/if_tunnel.h b/include/linux/if_tunnel.h
index 8d76cb4c86f..1822d635be6 100644
--- a/include/linux/if_tunnel.h
+++ b/include/linux/if_tunnel.h
@@ -30,8 +30,7 @@
 #define GRE_FLAGS	__cpu_to_be16(0x00F8)
 #define GRE_VERSION	__cpu_to_be16(0x0007)
 
-struct ip_tunnel_parm
-{
+struct ip_tunnel_parm {
 	char			name[IFNAMSIZ];
 	int			link;
 	__be16			i_flags;
@@ -63,8 +62,7 @@ struct ip_tunnel_6rd {
 	__u16			relay_prefixlen;
 };
 
-enum
-{
+enum {
 	IFLA_GRE_UNSPEC,
 	IFLA_GRE_LINK,
 	IFLA_GRE_IFLAGS,
diff --git a/include/linux/igmp.h b/include/linux/igmp.h
index fe158e0e20e..724c27e5d17 100644
--- a/include/linux/igmp.h
+++ b/include/linux/igmp.h
@@ -27,8 +27,7 @@
  *	Header in on cable format
  */
 
-struct igmphdr
-{
+struct igmphdr {
 	__u8 type;
 	__u8 code;		/* For newer IGMP */
 	__sum16 csum;
@@ -151,8 +150,7 @@ static inline struct igmpv3_query *
 extern int sysctl_igmp_max_memberships;
 extern int sysctl_igmp_max_msf;
 
-struct ip_sf_socklist
-{
+struct ip_sf_socklist {
 	unsigned int		sl_max;
 	unsigned int		sl_count;
 	__be32			sl_addr[0];
@@ -167,16 +165,14 @@ struct ip_sf_socklist
    this list never used in fast path code
  */
 
-struct ip_mc_socklist
-{
+struct ip_mc_socklist {
 	struct ip_mc_socklist	*next;
 	struct ip_mreqn		multi;
 	unsigned int		sfmode;		/* MCAST_{INCLUDE,EXCLUDE} */
 	struct ip_sf_socklist	*sflist;
 };
 
-struct ip_sf_list
-{
+struct ip_sf_list {
 	struct ip_sf_list	*sf_next;
 	__be32			sf_inaddr;
 	unsigned long		sf_count[2];	/* include/exclude counts */
@@ -185,8 +181,7 @@ struct ip_sf_list
 	unsigned char		sf_crcount;	/* retrans. left to send */
 };
 
-struct ip_mc_list
-{
+struct ip_mc_list {
 	struct in_device	*interface;
 	__be32			multiaddr;
 	struct ip_sf_list	*sources;
diff --git a/include/linux/in.h b/include/linux/in.h
index cf196da04ec..b615649db12 100644
--- a/include/linux/in.h
+++ b/include/linux/in.h
@@ -118,14 +118,12 @@ struct in_addr {
 
 /* Request struct for multicast socket ops */
 
-struct ip_mreq 
-{
+struct ip_mreq  {
 	struct in_addr imr_multiaddr;	/* IP multicast address of group */
 	struct in_addr imr_interface;	/* local IP address of interface */
 };
 
-struct ip_mreqn
-{
+struct ip_mreqn {
 	struct in_addr	imr_multiaddr;		/* IP multicast address of group */
 	struct in_addr	imr_address;		/* local IP address of interface */
 	int		imr_ifindex;		/* Interface index */
@@ -149,21 +147,18 @@ struct ip_msfilter {
 	(sizeof(struct ip_msfilter) - sizeof(__u32) \
 	+ (numsrc) * sizeof(__u32))
 
-struct group_req
-{
+struct group_req {
 	__u32				 gr_interface;	/* interface index */
 	struct __kernel_sockaddr_storage gr_group;	/* group address */
 };
 
-struct group_source_req
-{
+struct group_source_req {
 	__u32				 gsr_interface;	/* interface index */
 	struct __kernel_sockaddr_storage gsr_group;	/* group address */
 	struct __kernel_sockaddr_storage gsr_source;	/* source address */
 };
 
-struct group_filter
-{
+struct group_filter {
 	__u32				 gf_interface;	/* interface index */
 	struct __kernel_sockaddr_storage gf_group;	/* multicast address */
 	__u32				 gf_fmode;	/* filter mode */
@@ -175,8 +170,7 @@ struct group_filter
 	(sizeof(struct group_filter) - sizeof(struct __kernel_sockaddr_storage) \
 	+ (numsrc) * sizeof(struct __kernel_sockaddr_storage))
 
-struct in_pktinfo
-{
+struct in_pktinfo {
 	int		ipi_ifindex;
 	struct in_addr	ipi_spec_dst;
 	struct in_addr	ipi_addr;
diff --git a/include/linux/in6.h b/include/linux/in6.h
index 718bf21c575..dfa29168e6a 100644
--- a/include/linux/in6.h
+++ b/include/linux/in6.h
@@ -27,10 +27,8 @@
  *	IPv6 address structure
  */
 
-struct in6_addr
-{
-	union 
-	{
+struct in6_addr {
+	union {
 		__u8		u6_addr8[16];
 		__be16		u6_addr16[8];
 		__be32		u6_addr32[4];
@@ -75,8 +73,7 @@ struct ipv6_mreq {
 
 #define ipv6mr_acaddr	ipv6mr_multiaddr
 
-struct in6_flowlabel_req
-{
+struct in6_flowlabel_req {
 	struct in6_addr	flr_dst;
 	__be32	flr_label;
 	__u8	flr_action;
diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h
index ad27c7da879..eecfa559bfb 100644
--- a/include/linux/inetdevice.h
+++ b/include/linux/inetdevice.h
@@ -10,15 +10,13 @@
 #include <linux/timer.h>
 #include <linux/sysctl.h>
 
-struct ipv4_devconf
-{
+struct ipv4_devconf {
 	void	*sysctl;
 	int	data[__NET_IPV4_CONF_MAX - 1];
 	DECLARE_BITMAP(state, __NET_IPV4_CONF_MAX - 1);
 };
 
-struct in_device
-{
+struct in_device {
 	struct net_device	*dev;
 	atomic_t		refcnt;
 	int			dead;
@@ -110,8 +108,7 @@ static inline void ipv4_devconf_setall(struct in_device *in_dev)
 #define IN_DEV_ARP_IGNORE(in_dev)	IN_DEV_MAXCONF((in_dev), ARP_IGNORE)
 #define IN_DEV_ARP_NOTIFY(in_dev)	IN_DEV_MAXCONF((in_dev), ARP_NOTIFY)
 
-struct in_ifaddr
-{
+struct in_ifaddr {
 	struct in_ifaddr	*ifa_next;
 	struct in_device	*ifa_dev;
 	struct rcu_head		rcu_head;
diff --git a/include/linux/ip_vs.h b/include/linux/ip_vs.h
index 148265e63e8..dfc17036284 100644
--- a/include/linux/ip_vs.h
+++ b/include/linux/ip_vs.h
@@ -127,8 +127,7 @@ struct ip_vs_dest_user {
 /*
  *	IPVS statistics object (for user space)
  */
-struct ip_vs_stats_user
-{
+struct ip_vs_stats_user {
 	__u32                   conns;          /* connections scheduled */
 	__u32                   inpkts;         /* incoming packets */
 	__u32                   outpkts;        /* outgoing packets */
diff --git a/include/linux/mroute.h b/include/linux/mroute.h
index d5f69151f69..c5f3d53548e 100644
--- a/include/linux/mroute.h
+++ b/include/linux/mroute.h
@@ -76,8 +76,7 @@ struct vifctl {
  *	Cache manipulation structures for mrouted and PIMd
  */
  
-struct mfcctl
-{
+struct mfcctl {
 	struct in_addr mfcc_origin;		/* Origin of mcast	*/
 	struct in_addr mfcc_mcastgrp;		/* Group in question	*/
 	vifi_t	mfcc_parent;			/* Where it arrived	*/
@@ -92,8 +91,7 @@ struct mfcctl
  *	Group count retrieval for mrouted
  */
  
-struct sioc_sg_req
-{
+struct sioc_sg_req {
 	struct in_addr src;
 	struct in_addr grp;
 	unsigned long pktcnt;
@@ -105,8 +103,7 @@ struct sioc_sg_req
  *	To get vif packet counts
  */
 
-struct sioc_vif_req
-{
+struct sioc_vif_req {
 	vifi_t	vifi;		/* Which iface */
 	unsigned long icount;	/* In packets */
 	unsigned long ocount;	/* Out packets */
@@ -119,8 +116,7 @@ struct sioc_vif_req
  *	data. Magically happens to be like an IP packet as per the original
  */
  
-struct igmpmsg
-{
+struct igmpmsg {
 	__u32 unused1,unused2;
 	unsigned char im_msgtype;		/* What is this */
 	unsigned char im_mbz;			/* Must be zero */
@@ -181,8 +177,7 @@ static inline int ip_mr_init(void)
 }
 #endif
 
-struct vif_device
-{
+struct vif_device {
 	struct net_device 	*dev;			/* Device we are using */
 	unsigned long	bytes_in,bytes_out;
 	unsigned long	pkt_in,pkt_out;		/* Statistics 			*/
@@ -195,8 +190,7 @@ struct vif_device
 
 #define VIFF_STATIC 0x8000
 
-struct mfc_cache 
-{
+struct mfc_cache {
 	struct mfc_cache *next;			/* Next entry on cache line 	*/
 #ifdef CONFIG_NET_NS
 	struct net *mfc_net;
diff --git a/include/linux/mroute6.h b/include/linux/mroute6.h
index b191865a6ca..2caa1a8e525 100644
--- a/include/linux/mroute6.h
+++ b/include/linux/mroute6.h
@@ -75,8 +75,7 @@ struct mif6ctl {
  *	Cache manipulation structures for mrouted and PIMd
  */
 
-struct mf6cctl
-{
+struct mf6cctl {
 	struct sockaddr_in6 mf6cc_origin;		/* Origin of mcast	*/
 	struct sockaddr_in6 mf6cc_mcastgrp;		/* Group in question	*/
 	mifi_t	mf6cc_parent;			/* Where it arrived	*/
@@ -87,8 +86,7 @@ struct mf6cctl
  *	Group count retrieval for pim6sd
  */
 
-struct sioc_sg_req6
-{
+struct sioc_sg_req6 {
 	struct sockaddr_in6 src;
 	struct sockaddr_in6 grp;
 	unsigned long pktcnt;
@@ -100,8 +98,7 @@ struct sioc_sg_req6
  *	To get vif packet counts
  */
 
-struct sioc_mif_req6
-{
+struct sioc_mif_req6 {
 	mifi_t	mifi;		/* Which iface */
 	unsigned long icount;	/* In packets */
 	unsigned long ocount;	/* Out packets */
@@ -172,8 +169,7 @@ static inline void ip6_mr_cleanup(void)
 }
 #endif
 
-struct mif_device
-{
+struct mif_device {
 	struct net_device 	*dev;			/* Device we are using */
 	unsigned long	bytes_in,bytes_out;
 	unsigned long	pkt_in,pkt_out;		/* Statistics 			*/
@@ -185,8 +181,7 @@ struct mif_device
 
 #define VIFF_STATIC 0x8000
 
-struct mfc6_cache
-{
+struct mfc6_cache {
 	struct mfc6_cache *next;		/* Next entry on cache line 	*/
 #ifdef CONFIG_NET_NS
 	struct net *mfc6_net;
diff --git a/include/linux/neighbour.h b/include/linux/neighbour.h
index 12c9de13845..a7003b7a695 100644
--- a/include/linux/neighbour.h
+++ b/include/linux/neighbour.h
@@ -4,8 +4,7 @@
 #include <linux/types.h>
 #include <linux/netlink.h>
 
-struct ndmsg
-{
+struct ndmsg {
 	__u8		ndm_family;
 	__u8		ndm_pad1;
 	__u16		ndm_pad2;
@@ -15,8 +14,7 @@ struct ndmsg
 	__u8		ndm_type;
 };
 
-enum
-{
+enum {
 	NDA_UNSPEC,
 	NDA_DST,
 	NDA_LLADDR,
@@ -56,8 +54,7 @@ enum
    NUD_PERMANENT is also cannot be deleted by garbage collectors.
  */
 
-struct nda_cacheinfo
-{
+struct nda_cacheinfo {
 	__u32		ndm_confirmed;
 	__u32		ndm_used;
 	__u32		ndm_updated;
@@ -89,8 +86,7 @@ struct nda_cacheinfo
  * device.
  ****/
 
-struct ndt_stats
-{
+struct ndt_stats {
 	__u64		ndts_allocs;
 	__u64		ndts_destroys;
 	__u64		ndts_hash_grows;
@@ -124,15 +120,13 @@ enum {
 };
 #define NDTPA_MAX (__NDTPA_MAX - 1)
 
-struct ndtmsg
-{
+struct ndtmsg {
 	__u8		ndtm_family;
 	__u8		ndtm_pad1;
 	__u16		ndtm_pad2;
 };
 
-struct ndt_config
-{
+struct ndt_config {
 	__u16		ndtc_key_len;
 	__u16		ndtc_entry_size;
 	__u32		ndtc_entries;
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 5077de02831..465add6c43e 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -125,8 +125,7 @@ typedef enum netdev_tx netdev_tx_t;
  *	with byte counters.
  */
 
-struct net_device_stats
-{
+struct net_device_stats {
 	unsigned long	rx_packets;		/* total packets received	*/
 	unsigned long	tx_packets;		/* total packets transmitted	*/
 	unsigned long	rx_bytes;		/* total bytes received 	*/
@@ -179,8 +178,7 @@ struct neighbour;
 struct neigh_parms;
 struct sk_buff;
 
-struct netif_rx_stats
-{
+struct netif_rx_stats {
 	unsigned total;
 	unsigned dropped;
 	unsigned time_squeeze;
@@ -189,8 +187,7 @@ struct netif_rx_stats
 
 DECLARE_PER_CPU(struct netif_rx_stats, netdev_rx_stat);
 
-struct dev_addr_list
-{
+struct dev_addr_list {
 	struct dev_addr_list	*next;
 	u8			da_addr[MAX_ADDR_LEN];
 	u8			da_addrlen;
@@ -227,8 +224,7 @@ struct netdev_hw_addr_list {
 	int			count;
 };
 
-struct hh_cache
-{
+struct hh_cache {
 	struct hh_cache *hh_next;	/* Next entry			     */
 	atomic_t	hh_refcnt;	/* number of users                   */
 /*
@@ -291,8 +287,7 @@ struct header_ops {
  * code.
  */
 
-enum netdev_state_t
-{
+enum netdev_state_t {
 	__LINK_STATE_START,
 	__LINK_STATE_PRESENT,
 	__LINK_STATE_NOCARRIER,
@@ -341,8 +336,7 @@ struct napi_struct {
 	struct sk_buff		*skb;
 };
 
-enum
-{
+enum {
 	NAPI_STATE_SCHED,	/* Poll is scheduled */
 	NAPI_STATE_DISABLE,	/* Disable pending */
 	NAPI_STATE_NPSVC,	/* Netpoll - don't dequeue from poll_list */
@@ -458,8 +452,7 @@ static inline void napi_synchronize(const struct napi_struct *n)
 # define napi_synchronize(n)	barrier()
 #endif
 
-enum netdev_queue_state_t
-{
+enum netdev_queue_state_t {
 	__QUEUE_STATE_XOFF,
 	__QUEUE_STATE_FROZEN,
 };
@@ -653,8 +646,7 @@ struct net_device_ops {
  *	moves out.
  */
 
-struct net_device
-{
+struct net_device {
 
 	/*
 	 * This is the first field of the "visible" part of this structure
@@ -1229,8 +1221,7 @@ static inline int unregister_gifconf(unsigned int family)
  * Incoming packets are placed on per-cpu queues so that
  * no locking is needed.
  */
-struct softnet_data
-{
+struct softnet_data {
 	struct Qdisc		*output_queue;
 	struct sk_buff_head	input_pkt_queue;
 	struct list_head	poll_list;
@@ -1627,7 +1618,8 @@ static inline int netif_dormant(const struct net_device *dev)
  *
  * Check if carrier is operational
  */
-static inline int netif_oper_up(const struct net_device *dev) {
+static inline int netif_oper_up(const struct net_device *dev)
+{
 	return (dev->operstate == IF_OPER_UP ||
 		dev->operstate == IF_OPER_UNKNOWN /* backward compat */);
 }
diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h
index 6132b5e6d9d..48c54960773 100644
--- a/include/linux/netfilter.h
+++ b/include/linux/netfilter.h
@@ -93,8 +93,7 @@ typedef unsigned int nf_hookfn(unsigned int hooknum,
 			       const struct net_device *out,
 			       int (*okfn)(struct sk_buff *));
 
-struct nf_hook_ops
-{
+struct nf_hook_ops {
 	struct list_head list;
 
 	/* User fills in from here down. */
@@ -106,8 +105,7 @@ struct nf_hook_ops
 	int priority;
 };
 
-struct nf_sockopt_ops
-{
+struct nf_sockopt_ops {
 	struct list_head list;
 
 	u_int8_t pf;
diff --git a/include/linux/netfilter/nf_conntrack_common.h b/include/linux/netfilter/nf_conntrack_common.h
index a8248ee422b..a374787ed9b 100644
--- a/include/linux/netfilter/nf_conntrack_common.h
+++ b/include/linux/netfilter/nf_conntrack_common.h
@@ -3,8 +3,7 @@
 /* Connection state tracking for netfilter.  This is separated from,
    but required by, the NAT layer; it can also be used by an iptables
    extension. */
-enum ip_conntrack_info
-{
+enum ip_conntrack_info {
 	/* Part of an established connection (either direction). */
 	IP_CT_ESTABLISHED,
 
@@ -76,8 +75,7 @@ enum ip_conntrack_status {
 };
 
 #ifdef __KERNEL__
-struct ip_conntrack_stat
-{
+struct ip_conntrack_stat {
 	unsigned int searched;
 	unsigned int found;
 	unsigned int new;
diff --git a/include/linux/netfilter/nf_conntrack_ftp.h b/include/linux/netfilter/nf_conntrack_ftp.h
index 47727d7546e..3e3aa08980c 100644
--- a/include/linux/netfilter/nf_conntrack_ftp.h
+++ b/include/linux/netfilter/nf_conntrack_ftp.h
@@ -3,8 +3,7 @@
 /* FTP tracking. */
 
 /* This enum is exposed to userspace */
-enum nf_ct_ftp_type
-{
+enum nf_ct_ftp_type {
 	/* PORT command from client */
 	NF_CT_FTP_PORT,
 	/* PASV response from server */
diff --git a/include/linux/netfilter/nf_conntrack_sctp.h b/include/linux/netfilter/nf_conntrack_sctp.h
index 768f78c4ac5..ceeefe6681b 100644
--- a/include/linux/netfilter/nf_conntrack_sctp.h
+++ b/include/linux/netfilter/nf_conntrack_sctp.h
@@ -16,8 +16,7 @@ enum sctp_conntrack {
 	SCTP_CONNTRACK_MAX
 };
 
-struct ip_ct_sctp
-{
+struct ip_ct_sctp {
 	enum sctp_conntrack state;
 
 	__be32 vtag[IP_CT_DIR_MAX];
diff --git a/include/linux/netfilter/nf_conntrack_tcp.h b/include/linux/netfilter/nf_conntrack_tcp.h
index 4352feed237..f6d97f64d7a 100644
--- a/include/linux/netfilter/nf_conntrack_tcp.h
+++ b/include/linux/netfilter/nf_conntrack_tcp.h
@@ -55,8 +55,7 @@ struct ip_ct_tcp_state {
 	u_int8_t	flags;		/* per direction options */
 };
 
-struct ip_ct_tcp
-{
+struct ip_ct_tcp {
 	struct ip_ct_tcp_state seen[2];	/* connection parameters per direction */
 	u_int8_t	state;		/* state of the connection (enum tcp_conntrack) */
 	/* For detecting stale connections */
diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h
index 9f00da287f2..49d321f3ccd 100644
--- a/include/linux/netfilter/nfnetlink.h
+++ b/include/linux/netfilter/nfnetlink.h
@@ -55,8 +55,7 @@ struct nfgenmsg {
 #include <linux/capability.h>
 #include <net/netlink.h>
 
-struct nfnl_callback
-{
+struct nfnl_callback {
 	int (*call)(struct sock *nl, struct sk_buff *skb, 
 		    const struct nlmsghdr *nlh,
 		    const struct nlattr * const cda[]);
@@ -64,8 +63,7 @@ struct nfnl_callback
 	const u_int16_t attr_count;		/* number of nlattr's */
 };
 
-struct nfnetlink_subsystem
-{
+struct nfnetlink_subsystem {
 	const char *name;
 	__u8 subsys_id;			/* nfnetlink subsystem ID */
 	__u8 cb_count;			/* number of callbacks */
diff --git a/include/linux/netfilter/nfnetlink_compat.h b/include/linux/netfilter/nfnetlink_compat.h
index eda55cabcee..ffb95036bbd 100644
--- a/include/linux/netfilter/nfnetlink_compat.h
+++ b/include/linux/netfilter/nfnetlink_compat.h
@@ -21,8 +21,7 @@
  * ! nfnetlink use the same attributes methods. - J. Schulist.
  */
 
-struct nfattr
-{
+struct nfattr {
 	__u16 nfa_len;
 	__u16 nfa_type;	/* we use 15 bits for the type, and the highest
 				 * bit to indicate whether the payload is nested */
diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h
index 812cb153cab..378f27ae777 100644
--- a/include/linux/netfilter/x_tables.h
+++ b/include/linux/netfilter/x_tables.h
@@ -6,8 +6,7 @@
 #define XT_FUNCTION_MAXNAMELEN 30
 #define XT_TABLE_MAXNAMELEN 32
 
-struct xt_entry_match
-{
+struct xt_entry_match {
 	union {
 		struct {
 			__u16 match_size;
@@ -31,8 +30,7 @@ struct xt_entry_match
 	unsigned char data[0];
 };
 
-struct xt_entry_target
-{
+struct xt_entry_target {
 	union {
 		struct {
 			__u16 target_size;
@@ -64,16 +62,14 @@ struct xt_entry_target
 	},								       \
 }
 
-struct xt_standard_target
-{
+struct xt_standard_target {
 	struct xt_entry_target target;
 	int verdict;
 };
 
 /* The argument to IPT_SO_GET_REVISION_*.  Returns highest revision
  * kernel supports, if >= revision. */
-struct xt_get_revision
-{
+struct xt_get_revision {
 	char name[XT_FUNCTION_MAXNAMELEN-1];
 
 	__u8 revision;
@@ -90,8 +86,7 @@ struct xt_get_revision
  * ip6t_entry and arpt_entry.  This sucks, and it is a hack.  It will be my
  * personal pleasure to remove it -HW
  */
-struct _xt_align
-{
+struct _xt_align {
 	__u8 u8;
 	__u16 u16;
 	__u32 u32;
@@ -109,14 +104,12 @@ struct _xt_align
 #define SET_COUNTER(c,b,p) do { (c).bcnt = (b); (c).pcnt = (p); } while(0)
 #define ADD_COUNTER(c,b,p) do { (c).bcnt += (b); (c).pcnt += (p); } while(0)
 
-struct xt_counters
-{
+struct xt_counters {
 	__u64 pcnt, bcnt;			/* Packet and byte counters */
 };
 
 /* The argument to IPT_SO_ADD_COUNTERS. */
-struct xt_counters_info
-{
+struct xt_counters_info {
 	/* Which table. */
 	char name[XT_TABLE_MAXNAMELEN];
 
@@ -269,8 +262,7 @@ struct xt_tgdtor_param {
 	u_int8_t family;
 };
 
-struct xt_match
-{
+struct xt_match {
 	struct list_head list;
 
 	const char name[XT_FUNCTION_MAXNAMELEN-1];
@@ -310,8 +302,7 @@ struct xt_match
 };
 
 /* Registration hooks for targets. */
-struct xt_target
-{
+struct xt_target {
 	struct list_head list;
 
 	const char name[XT_FUNCTION_MAXNAMELEN-1];
@@ -349,8 +340,7 @@ struct xt_target
 };
 
 /* Furniture shopping... */
-struct xt_table
-{
+struct xt_table {
 	struct list_head list;
 
 	/* What hooks you will enter on */
@@ -371,8 +361,7 @@ struct xt_table
 #include <linux/netfilter_ipv4.h>
 
 /* The table itself */
-struct xt_table_info
-{
+struct xt_table_info {
 	/* Size per table */
 	unsigned int size;
 	/* Number of entries: FIXME. --RR */
@@ -528,8 +517,7 @@ static inline unsigned long ifname_compare_aligned(const char *_a,
 #ifdef CONFIG_COMPAT
 #include <net/compat.h>
 
-struct compat_xt_entry_match
-{
+struct compat_xt_entry_match {
 	union {
 		struct {
 			u_int16_t match_size;
@@ -545,8 +533,7 @@ struct compat_xt_entry_match
 	unsigned char data[0];
 };
 
-struct compat_xt_entry_target
-{
+struct compat_xt_entry_target {
 	union {
 		struct {
 			u_int16_t target_size;
@@ -566,8 +553,7 @@ struct compat_xt_entry_target
  * need to change whole approach in order to calculate align as function of
  * current task alignment */
 
-struct compat_xt_counters
-{
+struct compat_xt_counters {
 #if defined(CONFIG_X86_64) || defined(CONFIG_IA64)
 	u_int32_t cnt[4];
 #else
@@ -575,8 +561,7 @@ struct compat_xt_counters
 #endif
 };
 
-struct compat_xt_counters_info
-{
+struct compat_xt_counters_info {
 	char name[XT_TABLE_MAXNAMELEN];
 	compat_uint_t num_counters;
 	struct compat_xt_counters counters[0];
diff --git a/include/linux/netfilter/xt_connbytes.h b/include/linux/netfilter/xt_connbytes.h
index 52bd6153b99..92fcbb0d193 100644
--- a/include/linux/netfilter/xt_connbytes.h
+++ b/include/linux/netfilter/xt_connbytes.h
@@ -15,8 +15,7 @@ enum xt_connbytes_direction {
 	XT_CONNBYTES_DIR_BOTH,
 };
 
-struct xt_connbytes_info
-{
+struct xt_connbytes_info {
 	struct {
 		aligned_u64 from;	/* count to be matched */
 		aligned_u64 to;		/* count to be matched */
diff --git a/include/linux/netfilter/xt_esp.h b/include/linux/netfilter/xt_esp.h
index ef6fa4747d0..ee688240800 100644
--- a/include/linux/netfilter/xt_esp.h
+++ b/include/linux/netfilter/xt_esp.h
@@ -3,8 +3,7 @@
 
 #include <linux/types.h>
 
-struct xt_esp
-{
+struct xt_esp {
 	__u32 spis[2];	/* Security Parameter Index */
 	__u8  invflags;	/* Inverse flags */
 };
diff --git a/include/linux/netfilter/xt_multiport.h b/include/linux/netfilter/xt_multiport.h
index 185db499fcb..5b7e72dfffc 100644
--- a/include/linux/netfilter/xt_multiport.h
+++ b/include/linux/netfilter/xt_multiport.h
@@ -3,8 +3,7 @@
 
 #include <linux/types.h>
 
-enum xt_multiport_flags
-{
+enum xt_multiport_flags {
 	XT_MULTIPORT_SOURCE,
 	XT_MULTIPORT_DESTINATION,
 	XT_MULTIPORT_EITHER
@@ -13,15 +12,13 @@ enum xt_multiport_flags
 #define XT_MULTI_PORTS	15
 
 /* Must fit inside union xt_matchinfo: 16 bytes */
-struct xt_multiport
-{
+struct xt_multiport {
 	__u8 flags;				/* Type of comparison */
 	__u8 count;				/* Number of ports */
 	__u16 ports[XT_MULTI_PORTS];	/* Ports */
 };
 
-struct xt_multiport_v1
-{
+struct xt_multiport_v1 {
 	__u8 flags;				/* Type of comparison */
 	__u8 count;				/* Number of ports */
 	__u16 ports[XT_MULTI_PORTS];	/* Ports */
diff --git a/include/linux/netfilter/xt_policy.h b/include/linux/netfilter/xt_policy.h
index 7bb64e7c853..be8ead05c31 100644
--- a/include/linux/netfilter/xt_policy.h
+++ b/include/linux/netfilter/xt_policy.h
@@ -5,22 +5,19 @@
 
 #define XT_POLICY_MAX_ELEM	4
 
-enum xt_policy_flags
-{
+enum xt_policy_flags {
 	XT_POLICY_MATCH_IN	= 0x1,
 	XT_POLICY_MATCH_OUT	= 0x2,
 	XT_POLICY_MATCH_NONE	= 0x4,
 	XT_POLICY_MATCH_STRICT	= 0x8,
 };
 
-enum xt_policy_modes
-{
+enum xt_policy_modes {
 	XT_POLICY_MODE_TRANSPORT,
 	XT_POLICY_MODE_TUNNEL
 };
 
-struct xt_policy_spec
-{
+struct xt_policy_spec {
 	__u8	saddr:1,
 			daddr:1,
 			proto:1,
@@ -30,15 +27,13 @@ struct xt_policy_spec
 };
 
 #ifndef __KERNEL__
-union xt_policy_addr
-{
+union xt_policy_addr {
 	struct in_addr	a4;
 	struct in6_addr	a6;
 };
 #endif
 
-struct xt_policy_elem
-{
+struct xt_policy_elem {
 	union {
 #ifdef __KERNEL__
 		struct {
@@ -65,8 +60,7 @@ struct xt_policy_elem
 	struct xt_policy_spec	invert;
 };
 
-struct xt_policy_info
-{
+struct xt_policy_info {
 	struct xt_policy_elem pol[XT_POLICY_MAX_ELEM];
 	__u16 flags;
 	__u16 len;
diff --git a/include/linux/netfilter/xt_state.h b/include/linux/netfilter/xt_state.h
index c06f32edee0..7b32de88661 100644
--- a/include/linux/netfilter/xt_state.h
+++ b/include/linux/netfilter/xt_state.h
@@ -6,8 +6,7 @@
 
 #define XT_STATE_UNTRACKED (1 << (IP_CT_NUMBER + 1))
 
-struct xt_state_info
-{
+struct xt_state_info {
 	unsigned int statemask;
 };
 #endif /*_XT_STATE_H*/
diff --git a/include/linux/netfilter/xt_string.h b/include/linux/netfilter/xt_string.h
index ecbb95fc89e..235347c02ea 100644
--- a/include/linux/netfilter/xt_string.h
+++ b/include/linux/netfilter/xt_string.h
@@ -11,8 +11,7 @@ enum {
 	XT_STRING_FLAG_IGNORECASE	= 0x02
 };
 
-struct xt_string_info
-{
+struct xt_string_info {
 	__u16 from_offset;
 	__u16 to_offset;
 	char	  algo[XT_STRING_MAX_ALGO_NAME_SIZE];
diff --git a/include/linux/netfilter/xt_tcpudp.h b/include/linux/netfilter/xt_tcpudp.h
index a490a0bc1d2..38aa7b39902 100644
--- a/include/linux/netfilter/xt_tcpudp.h
+++ b/include/linux/netfilter/xt_tcpudp.h
@@ -4,8 +4,7 @@
 #include <linux/types.h>
 
 /* TCP matching stuff */
-struct xt_tcp
-{
+struct xt_tcp {
 	__u16 spts[2];			/* Source port range. */
 	__u16 dpts[2];			/* Destination port range. */
 	__u8 option;			/* TCP Option iff non-zero*/
@@ -22,8 +21,7 @@ struct xt_tcp
 #define XT_TCP_INV_MASK		0x0F	/* All possible flags. */
 
 /* UDP matching stuff */
-struct xt_udp
-{
+struct xt_udp {
 	__u16 spts[2];			/* Source port range. */
 	__u16 dpts[2];			/* Destination port range. */
 	__u8 invflags;			/* Inverse flags */
diff --git a/include/linux/netfilter_arp/arp_tables.h b/include/linux/netfilter_arp/arp_tables.h
index 6fe3e6aa10d..f2336523a9d 100644
--- a/include/linux/netfilter_arp/arp_tables.h
+++ b/include/linux/netfilter_arp/arp_tables.h
@@ -132,8 +132,7 @@ struct arpt_entry
 #define ARPT_RETURN XT_RETURN
 
 /* The argument to ARPT_SO_GET_INFO */
-struct arpt_getinfo
-{
+struct arpt_getinfo {
 	/* Which table: caller fills this in. */
 	char name[ARPT_TABLE_MAXNAMELEN];
 
@@ -155,8 +154,7 @@ struct arpt_getinfo
 };
 
 /* The argument to ARPT_SO_SET_REPLACE. */
-struct arpt_replace
-{
+struct arpt_replace {
 	/* Which table. */
 	char name[ARPT_TABLE_MAXNAMELEN];
 
@@ -191,8 +189,7 @@ struct arpt_replace
 #define arpt_counters xt_counters
 
 /* The argument to ARPT_SO_GET_ENTRIES. */
-struct arpt_get_entries
-{
+struct arpt_get_entries {
 	/* Which table: user fills this in. */
 	char name[ARPT_TABLE_MAXNAMELEN];
 
@@ -224,20 +221,17 @@ static __inline__ struct arpt_entry_target *arpt_get_target(struct arpt_entry *e
 #ifdef __KERNEL__
 
 /* Standard entry. */
-struct arpt_standard
-{
+struct arpt_standard {
 	struct arpt_entry entry;
 	struct arpt_standard_target target;
 };
 
-struct arpt_error_target
-{
+struct arpt_error_target {
 	struct arpt_entry_target target;
 	char errorname[ARPT_FUNCTION_MAXNAMELEN];
 };
 
-struct arpt_error
-{
+struct arpt_error {
 	struct arpt_entry entry;
 	struct arpt_error_target target;
 };
@@ -279,8 +273,7 @@ extern unsigned int arpt_do_table(struct sk_buff *skb,
 #ifdef CONFIG_COMPAT
 #include <net/compat.h>
 
-struct compat_arpt_entry
-{
+struct compat_arpt_entry {
 	struct arpt_arp arp;
 	u_int16_t target_offset;
 	u_int16_t next_offset;
diff --git a/include/linux/netfilter_bridge/ebt_802_3.h b/include/linux/netfilter_bridge/ebt_802_3.h
index a11b0c2017f..c73ef0b18bd 100644
--- a/include/linux/netfilter_bridge/ebt_802_3.h
+++ b/include/linux/netfilter_bridge/ebt_802_3.h
@@ -58,8 +58,7 @@ static inline struct ebt_802_3_hdr *ebt_802_3_hdr(const struct sk_buff *skb)
 }
 #endif
 
-struct ebt_802_3_info 
-{
+struct ebt_802_3_info {
 	uint8_t  sap;
 	__be16 type;
 	uint8_t  bitmask;
diff --git a/include/linux/netfilter_bridge/ebt_among.h b/include/linux/netfilter_bridge/ebt_among.h
index 7654069233c..0009558609a 100644
--- a/include/linux/netfilter_bridge/ebt_among.h
+++ b/include/linux/netfilter_bridge/ebt_among.h
@@ -29,14 +29,12 @@
  * Yes, it is a memory overhead, but in 2003 AD, who cares?
  */
 
-struct ebt_mac_wormhash_tuple
-{
+struct ebt_mac_wormhash_tuple {
 	uint32_t cmp[2];
 	__be32 ip;
 };
 
-struct ebt_mac_wormhash
-{
+struct ebt_mac_wormhash {
 	int table[257];
 	int poolsize;
 	struct ebt_mac_wormhash_tuple pool[0];
@@ -45,8 +43,7 @@ struct ebt_mac_wormhash
 #define ebt_mac_wormhash_size(x) ((x) ? sizeof(struct ebt_mac_wormhash) \
 		+ (x)->poolsize * sizeof(struct ebt_mac_wormhash_tuple) : 0)
 
-struct ebt_among_info
-{
+struct ebt_among_info {
 	int wh_dst_ofs;
 	int wh_src_ofs;
 	int bitmask;
diff --git a/include/linux/netfilter_bridge/ebt_arpreply.h b/include/linux/netfilter_bridge/ebt_arpreply.h
index 96a8339960e..7e77896e1fb 100644
--- a/include/linux/netfilter_bridge/ebt_arpreply.h
+++ b/include/linux/netfilter_bridge/ebt_arpreply.h
@@ -1,8 +1,7 @@
 #ifndef __LINUX_BRIDGE_EBT_ARPREPLY_H
 #define __LINUX_BRIDGE_EBT_ARPREPLY_H
 
-struct ebt_arpreply_info
-{
+struct ebt_arpreply_info {
 	unsigned char mac[ETH_ALEN];
 	int target;
 };
diff --git a/include/linux/netfilter_bridge/ebt_ip.h b/include/linux/netfilter_bridge/ebt_ip.h
index d6847475bf2..6a708fb9224 100644
--- a/include/linux/netfilter_bridge/ebt_ip.h
+++ b/include/linux/netfilter_bridge/ebt_ip.h
@@ -26,8 +26,7 @@
 #define EBT_IP_MATCH "ip"
 
 /* the same values are used for the invflags */
-struct ebt_ip_info
-{
+struct ebt_ip_info {
 	__be32 saddr;
 	__be32 daddr;
 	__be32 smsk;
diff --git a/include/linux/netfilter_bridge/ebt_ip6.h b/include/linux/netfilter_bridge/ebt_ip6.h
index 2273c3ae33c..e5de9870151 100644
--- a/include/linux/netfilter_bridge/ebt_ip6.h
+++ b/include/linux/netfilter_bridge/ebt_ip6.h
@@ -23,8 +23,7 @@
 #define EBT_IP6_MATCH "ip6"
 
 /* the same values are used for the invflags */
-struct ebt_ip6_info
-{
+struct ebt_ip6_info {
 	struct in6_addr saddr;
 	struct in6_addr daddr;
 	struct in6_addr smsk;
diff --git a/include/linux/netfilter_bridge/ebt_limit.h b/include/linux/netfilter_bridge/ebt_limit.h
index d8b65000afe..4bf76b75167 100644
--- a/include/linux/netfilter_bridge/ebt_limit.h
+++ b/include/linux/netfilter_bridge/ebt_limit.h
@@ -9,8 +9,7 @@
 /* 1/10,000 sec period => max of 10,000/sec.  Min rate is then 429490
    seconds, or one every 59 hours. */
 
-struct ebt_limit_info
-{
+struct ebt_limit_info {
 	u_int32_t avg;    /* Average secs between packets * scale */
 	u_int32_t burst;  /* Period multiplier for upper limit. */
 
diff --git a/include/linux/netfilter_bridge/ebt_log.h b/include/linux/netfilter_bridge/ebt_log.h
index b76e653157e..cc2cdfb764b 100644
--- a/include/linux/netfilter_bridge/ebt_log.h
+++ b/include/linux/netfilter_bridge/ebt_log.h
@@ -9,8 +9,7 @@
 #define EBT_LOG_PREFIX_SIZE 30
 #define EBT_LOG_WATCHER "log"
 
-struct ebt_log_info
-{
+struct ebt_log_info {
 	uint8_t loglevel;
 	uint8_t prefix[EBT_LOG_PREFIX_SIZE];
 	uint32_t bitmask;
diff --git a/include/linux/netfilter_bridge/ebt_mark_m.h b/include/linux/netfilter_bridge/ebt_mark_m.h
index 301524ff106..9ceb10ec0ed 100644
--- a/include/linux/netfilter_bridge/ebt_mark_m.h
+++ b/include/linux/netfilter_bridge/ebt_mark_m.h
@@ -4,8 +4,7 @@
 #define EBT_MARK_AND 0x01
 #define EBT_MARK_OR 0x02
 #define EBT_MARK_MASK (EBT_MARK_AND | EBT_MARK_OR)
-struct ebt_mark_m_info
-{
+struct ebt_mark_m_info {
 	unsigned long mark, mask;
 	uint8_t invert;
 	uint8_t bitmask;
diff --git a/include/linux/netfilter_bridge/ebt_mark_t.h b/include/linux/netfilter_bridge/ebt_mark_t.h
index 6270f6f3369..7d5a268a431 100644
--- a/include/linux/netfilter_bridge/ebt_mark_t.h
+++ b/include/linux/netfilter_bridge/ebt_mark_t.h
@@ -13,8 +13,7 @@
 #define MARK_AND_VALUE (0xffffffd0)
 #define MARK_XOR_VALUE (0xffffffc0)
 
-struct ebt_mark_t_info
-{
+struct ebt_mark_t_info {
 	unsigned long mark;
 	/* EBT_ACCEPT, EBT_DROP, EBT_CONTINUE or EBT_RETURN */
 	int target;
diff --git a/include/linux/netfilter_bridge/ebt_nat.h b/include/linux/netfilter_bridge/ebt_nat.h
index 435b886a51a..5e74e3b03bd 100644
--- a/include/linux/netfilter_bridge/ebt_nat.h
+++ b/include/linux/netfilter_bridge/ebt_nat.h
@@ -2,8 +2,7 @@
 #define __LINUX_BRIDGE_EBT_NAT_H
 
 #define NAT_ARP_BIT  (0x00000010)
-struct ebt_nat_info
-{
+struct ebt_nat_info {
 	unsigned char mac[ETH_ALEN];
 	/* EBT_ACCEPT, EBT_DROP, EBT_CONTINUE or EBT_RETURN */
 	int target;
diff --git a/include/linux/netfilter_bridge/ebt_pkttype.h b/include/linux/netfilter_bridge/ebt_pkttype.h
index 0d64bbb29c6..51a79984093 100644
--- a/include/linux/netfilter_bridge/ebt_pkttype.h
+++ b/include/linux/netfilter_bridge/ebt_pkttype.h
@@ -1,8 +1,7 @@
 #ifndef __LINUX_BRIDGE_EBT_PKTTYPE_H
 #define __LINUX_BRIDGE_EBT_PKTTYPE_H
 
-struct ebt_pkttype_info
-{
+struct ebt_pkttype_info {
 	uint8_t pkt_type;
 	uint8_t invert;
 };
diff --git a/include/linux/netfilter_bridge/ebt_redirect.h b/include/linux/netfilter_bridge/ebt_redirect.h
index 5c67990fce3..dd9622ce848 100644
--- a/include/linux/netfilter_bridge/ebt_redirect.h
+++ b/include/linux/netfilter_bridge/ebt_redirect.h
@@ -1,8 +1,7 @@
 #ifndef __LINUX_BRIDGE_EBT_REDIRECT_H
 #define __LINUX_BRIDGE_EBT_REDIRECT_H
 
-struct ebt_redirect_info
-{
+struct ebt_redirect_info {
 	/* EBT_ACCEPT, EBT_DROP, EBT_CONTINUE or EBT_RETURN */
 	int target;
 };
diff --git a/include/linux/netfilter_bridge/ebt_stp.h b/include/linux/netfilter_bridge/ebt_stp.h
index e5fd67850f4..e503a0aa272 100644
--- a/include/linux/netfilter_bridge/ebt_stp.h
+++ b/include/linux/netfilter_bridge/ebt_stp.h
@@ -20,8 +20,7 @@
 
 #define EBT_STP_MATCH "stp"
 
-struct ebt_stp_config_info
-{
+struct ebt_stp_config_info {
 	uint8_t flags;
 	uint16_t root_priol, root_priou;
 	char root_addr[6], root_addrmsk[6];
@@ -35,8 +34,7 @@ struct ebt_stp_config_info
 	uint16_t forward_delayl, forward_delayu;
 };
 
-struct ebt_stp_info
-{
+struct ebt_stp_info {
 	uint8_t type;
 	struct ebt_stp_config_info config;
 	uint16_t bitmask;
diff --git a/include/linux/netfilter_bridge/ebtables.h b/include/linux/netfilter_bridge/ebtables.h
index ea281e6a204..3cc40c131cc 100644
--- a/include/linux/netfilter_bridge/ebtables.h
+++ b/include/linux/netfilter_bridge/ebtables.h
@@ -34,14 +34,12 @@
 struct xt_match;
 struct xt_target;
 
-struct ebt_counter
-{
+struct ebt_counter {
 	uint64_t pcnt;
 	uint64_t bcnt;
 };
 
-struct ebt_replace
-{
+struct ebt_replace {
 	char name[EBT_TABLE_MAXNAMELEN];
 	unsigned int valid_hooks;
 	/* nr of rules in the table */
@@ -57,8 +55,7 @@ struct ebt_replace
 	char __user *entries;
 };
 
-struct ebt_replace_kernel
-{
+struct ebt_replace_kernel {
 	char name[EBT_TABLE_MAXNAMELEN];
 	unsigned int valid_hooks;
 	/* nr of rules in the table */
@@ -120,8 +117,7 @@ struct ebt_entries {
 #define EBT_INV_MASK (EBT_IPROTO | EBT_IIN | EBT_IOUT | EBT_ILOGICALIN \
    | EBT_ILOGICALOUT | EBT_ISOURCE | EBT_IDEST)
 
-struct ebt_entry_match
-{
+struct ebt_entry_match {
 	union {
 		char name[EBT_FUNCTION_MAXNAMELEN];
 		struct xt_match *match;
@@ -131,8 +127,7 @@ struct ebt_entry_match
 	unsigned char data[0] __attribute__ ((aligned (__alignof__(struct ebt_replace))));
 };
 
-struct ebt_entry_watcher
-{
+struct ebt_entry_watcher {
 	union {
 		char name[EBT_FUNCTION_MAXNAMELEN];
 		struct xt_target *watcher;
@@ -142,8 +137,7 @@ struct ebt_entry_watcher
 	unsigned char data[0] __attribute__ ((aligned (__alignof__(struct ebt_replace))));
 };
 
-struct ebt_entry_target
-{
+struct ebt_entry_target {
 	union {
 		char name[EBT_FUNCTION_MAXNAMELEN];
 		struct xt_target *target;
@@ -154,8 +148,7 @@ struct ebt_entry_target
 };
 
 #define EBT_STANDARD_TARGET "standard"
-struct ebt_standard_target
-{
+struct ebt_standard_target {
 	struct ebt_entry_target target;
 	int verdict;
 };
@@ -206,8 +199,7 @@ struct ebt_entry {
 #define EBT_MATCH 0
 #define EBT_NOMATCH 1
 
-struct ebt_match
-{
+struct ebt_match {
 	struct list_head list;
 	const char name[EBT_FUNCTION_MAXNAMELEN];
 	bool (*match)(const struct sk_buff *skb, const struct net_device *in,
@@ -224,8 +216,7 @@ struct ebt_match
 	struct module *me;
 };
 
-struct ebt_watcher
-{
+struct ebt_watcher {
 	struct list_head list;
 	const char name[EBT_FUNCTION_MAXNAMELEN];
 	unsigned int (*target)(struct sk_buff *skb,
@@ -242,8 +233,7 @@ struct ebt_watcher
 	struct module *me;
 };
 
-struct ebt_target
-{
+struct ebt_target {
 	struct list_head list;
 	const char name[EBT_FUNCTION_MAXNAMELEN];
 	/* returns one of the standard EBT_* verdicts */
@@ -262,15 +252,13 @@ struct ebt_target
 };
 
 /* used for jumping from and into user defined chains (udc) */
-struct ebt_chainstack
-{
+struct ebt_chainstack {
 	struct ebt_entries *chaininfo; /* pointer to chain data */
 	struct ebt_entry *e; /* pointer to entry data */
 	unsigned int n; /* n'th entry */
 };
 
-struct ebt_table_info
-{
+struct ebt_table_info {
 	/* total size of the entries */
 	unsigned int entries_size;
 	unsigned int nentries;
@@ -282,8 +270,7 @@ struct ebt_table_info
 	struct ebt_counter counters[0] ____cacheline_aligned;
 };
 
-struct ebt_table
-{
+struct ebt_table {
 	struct list_head list;
 	char name[EBT_TABLE_MAXNAMELEN];
 	struct ebt_replace_kernel *table;
diff --git a/include/linux/netfilter_ipv4/ip_tables.h b/include/linux/netfilter_ipv4/ip_tables.h
index 61fafc868a7..27b3f580730 100644
--- a/include/linux/netfilter_ipv4/ip_tables.h
+++ b/include/linux/netfilter_ipv4/ip_tables.h
@@ -76,8 +76,7 @@ struct ipt_ip {
 /* This structure defines each of the firewall rules.  Consists of 3
    parts which are 1) general IP header stuff 2) match specific
    stuff 3) the target to perform if the rule matches */
-struct ipt_entry
-{
+struct ipt_entry {
 	struct ipt_ip ip;
 
 	/* Mark with fields that we care about. */
@@ -135,8 +134,7 @@ struct ipt_entry
 #define IPT_UDP_INV_MASK	XT_UDP_INV_MASK
 
 /* ICMP matching stuff */
-struct ipt_icmp
-{
+struct ipt_icmp {
 	u_int8_t type;				/* type to match */
 	u_int8_t code[2];			/* range of code */
 	u_int8_t invflags;			/* Inverse flags */
@@ -146,8 +144,7 @@ struct ipt_icmp
 #define IPT_ICMP_INV	0x01	/* Invert the sense of type/code test */
 
 /* The argument to IPT_SO_GET_INFO */
-struct ipt_getinfo
-{
+struct ipt_getinfo {
 	/* Which table: caller fills this in. */
 	char name[IPT_TABLE_MAXNAMELEN];
 
@@ -169,8 +166,7 @@ struct ipt_getinfo
 };
 
 /* The argument to IPT_SO_SET_REPLACE. */
-struct ipt_replace
-{
+struct ipt_replace {
 	/* Which table. */
 	char name[IPT_TABLE_MAXNAMELEN];
 
@@ -204,8 +200,7 @@ struct ipt_replace
 #define ipt_counters_info xt_counters_info
 
 /* The argument to IPT_SO_GET_ENTRIES. */
-struct ipt_get_entries
-{
+struct ipt_get_entries {
 	/* Which table: user fills this in. */
 	char name[IPT_TABLE_MAXNAMELEN];
 
@@ -250,20 +245,17 @@ extern struct xt_table *ipt_register_table(struct net *net,
 extern void ipt_unregister_table(struct xt_table *table);
 
 /* Standard entry. */
-struct ipt_standard
-{
+struct ipt_standard {
 	struct ipt_entry entry;
 	struct ipt_standard_target target;
 };
 
-struct ipt_error_target
-{
+struct ipt_error_target {
 	struct ipt_entry_target target;
 	char errorname[IPT_FUNCTION_MAXNAMELEN];
 };
 
-struct ipt_error
-{
+struct ipt_error {
 	struct ipt_entry entry;
 	struct ipt_error_target target;
 };
@@ -301,8 +293,7 @@ extern unsigned int ipt_do_table(struct sk_buff *skb,
 #ifdef CONFIG_COMPAT
 #include <net/compat.h>
 
-struct compat_ipt_entry
-{
+struct compat_ipt_entry {
 	struct ipt_ip ip;
 	compat_uint_t nfcache;
 	u_int16_t target_offset;
diff --git a/include/linux/netfilter_ipv4/ipt_SAME.h b/include/linux/netfilter_ipv4/ipt_SAME.h
index be6e682a85e..2529660c5b3 100644
--- a/include/linux/netfilter_ipv4/ipt_SAME.h
+++ b/include/linux/netfilter_ipv4/ipt_SAME.h
@@ -5,8 +5,7 @@
 
 #define IPT_SAME_NODST		0x01
 
-struct ipt_same_info
-{
+struct ipt_same_info {
 	unsigned char info;
 	u_int32_t rangesize;
 	u_int32_t ipnum;
diff --git a/include/linux/netfilter_ipv4/ipt_ah.h b/include/linux/netfilter_ipv4/ipt_ah.h
index 7b9a2ac7adb..2e555b4d05e 100644
--- a/include/linux/netfilter_ipv4/ipt_ah.h
+++ b/include/linux/netfilter_ipv4/ipt_ah.h
@@ -1,8 +1,7 @@
 #ifndef _IPT_AH_H
 #define _IPT_AH_H
 
-struct ipt_ah
-{
+struct ipt_ah {
 	u_int32_t spis[2];			/* Security Parameter Index */
 	u_int8_t  invflags;			/* Inverse flags */
 };
diff --git a/include/linux/netfilter_ipv6/ip6_tables.h b/include/linux/netfilter_ipv6/ip6_tables.h
index a64e1451ac3..b31050d20ae 100644
--- a/include/linux/netfilter_ipv6/ip6_tables.h
+++ b/include/linux/netfilter_ipv6/ip6_tables.h
@@ -88,8 +88,7 @@ struct ip6t_ip6 {
 /* This structure defines each of the firewall rules.  Consists of 3
    parts which are 1) general IP header stuff 2) match specific
    stuff 3) the target to perform if the rule matches */
-struct ip6t_entry
-{
+struct ip6t_entry {
 	struct ip6t_ip6 ipv6;
 
 	/* Mark with fields that we care about. */
@@ -111,20 +110,17 @@ struct ip6t_entry
 };
 
 /* Standard entry */
-struct ip6t_standard
-{
+struct ip6t_standard {
 	struct ip6t_entry entry;
 	struct ip6t_standard_target target;
 };
 
-struct ip6t_error_target
-{
+struct ip6t_error_target {
 	struct ip6t_entry_target target;
 	char errorname[IP6T_FUNCTION_MAXNAMELEN];
 };
 
-struct ip6t_error
-{
+struct ip6t_error {
 	struct ip6t_entry entry;
 	struct ip6t_error_target target;
 };
@@ -195,8 +191,7 @@ struct ip6t_error
 #define IP6T_UDP_INV_MASK	XT_UDP_INV_MASK
 
 /* ICMP matching stuff */
-struct ip6t_icmp
-{
+struct ip6t_icmp {
 	u_int8_t type;				/* type to match */
 	u_int8_t code[2];			/* range of code */
 	u_int8_t invflags;			/* Inverse flags */
@@ -206,8 +201,7 @@ struct ip6t_icmp
 #define IP6T_ICMP_INV	0x01	/* Invert the sense of type/code test */
 
 /* The argument to IP6T_SO_GET_INFO */
-struct ip6t_getinfo
-{
+struct ip6t_getinfo {
 	/* Which table: caller fills this in. */
 	char name[IP6T_TABLE_MAXNAMELEN];
 
@@ -229,8 +223,7 @@ struct ip6t_getinfo
 };
 
 /* The argument to IP6T_SO_SET_REPLACE. */
-struct ip6t_replace
-{
+struct ip6t_replace {
 	/* Which table. */
 	char name[IP6T_TABLE_MAXNAMELEN];
 
@@ -264,8 +257,7 @@ struct ip6t_replace
 #define ip6t_counters_info xt_counters_info
 
 /* The argument to IP6T_SO_GET_ENTRIES. */
-struct ip6t_get_entries
-{
+struct ip6t_get_entries {
 	/* Which table: user fills this in. */
 	char name[IP6T_TABLE_MAXNAMELEN];
 
@@ -330,8 +322,7 @@ extern int ip6_masked_addrcmp(const struct in6_addr *addr1,
 #ifdef CONFIG_COMPAT
 #include <net/compat.h>
 
-struct compat_ip6t_entry
-{
+struct compat_ip6t_entry {
 	struct ip6t_ip6 ipv6;
 	compat_uint_t nfcache;
 	u_int16_t target_offset;
diff --git a/include/linux/netfilter_ipv6/ip6t_ah.h b/include/linux/netfilter_ipv6/ip6t_ah.h
index 8531879eb46..17a745cfb2c 100644
--- a/include/linux/netfilter_ipv6/ip6t_ah.h
+++ b/include/linux/netfilter_ipv6/ip6t_ah.h
@@ -1,8 +1,7 @@
 #ifndef _IP6T_AH_H
 #define _IP6T_AH_H
 
-struct ip6t_ah
-{
+struct ip6t_ah {
 	u_int32_t spis[2];			/* Security Parameter Index */
 	u_int32_t hdrlen;			/* Header Length */
 	u_int8_t  hdrres;			/* Test of the Reserved Filed */
diff --git a/include/linux/netfilter_ipv6/ip6t_frag.h b/include/linux/netfilter_ipv6/ip6t_frag.h
index 66070a0d6df..3724d085092 100644
--- a/include/linux/netfilter_ipv6/ip6t_frag.h
+++ b/include/linux/netfilter_ipv6/ip6t_frag.h
@@ -1,8 +1,7 @@
 #ifndef _IP6T_FRAG_H
 #define _IP6T_FRAG_H
 
-struct ip6t_frag
-{
+struct ip6t_frag {
 	u_int32_t ids[2];			/* Security Parameter Index */
 	u_int32_t hdrlen;			/* Header Length */
 	u_int8_t  flags;			/*  */
diff --git a/include/linux/netfilter_ipv6/ip6t_ipv6header.h b/include/linux/netfilter_ipv6/ip6t_ipv6header.h
index 51c53fc9c44..01dfd445596 100644
--- a/include/linux/netfilter_ipv6/ip6t_ipv6header.h
+++ b/include/linux/netfilter_ipv6/ip6t_ipv6header.h
@@ -8,8 +8,7 @@ on whether they contain certain headers */
 #ifndef __IPV6HEADER_H
 #define __IPV6HEADER_H
 
-struct ip6t_ipv6header_info
-{
+struct ip6t_ipv6header_info {
 	u_int8_t matchflags;
 	u_int8_t invflags;
 	u_int8_t modeflag;
diff --git a/include/linux/netfilter_ipv6/ip6t_mh.h b/include/linux/netfilter_ipv6/ip6t_mh.h
index b9ca9a5f74d..18549bca2d1 100644
--- a/include/linux/netfilter_ipv6/ip6t_mh.h
+++ b/include/linux/netfilter_ipv6/ip6t_mh.h
@@ -2,8 +2,7 @@
 #define _IP6T_MH_H
 
 /* MH matching stuff */
-struct ip6t_mh
-{
+struct ip6t_mh {
 	u_int8_t types[2];	/* MH type range */
 	u_int8_t invflags;	/* Inverse flags */
 };
diff --git a/include/linux/netfilter_ipv6/ip6t_opts.h b/include/linux/netfilter_ipv6/ip6t_opts.h
index a07e36380ae..62d89bcd9f9 100644
--- a/include/linux/netfilter_ipv6/ip6t_opts.h
+++ b/include/linux/netfilter_ipv6/ip6t_opts.h
@@ -3,8 +3,7 @@
 
 #define IP6T_OPTS_OPTSNR 16
 
-struct ip6t_opts
-{
+struct ip6t_opts {
 	u_int32_t hdrlen;			/* Header Length */
 	u_int8_t flags;				/*  */
 	u_int8_t invflags;			/* Inverse flags */
diff --git a/include/linux/netfilter_ipv6/ip6t_rt.h b/include/linux/netfilter_ipv6/ip6t_rt.h
index 52156023e8d..ab91bfd2cd0 100644
--- a/include/linux/netfilter_ipv6/ip6t_rt.h
+++ b/include/linux/netfilter_ipv6/ip6t_rt.h
@@ -5,8 +5,7 @@
 
 #define IP6T_RT_HOPS 16
 
-struct ip6t_rt
-{
+struct ip6t_rt {
 	u_int32_t rt_type;			/* Routing Type */
 	u_int32_t segsleft[2];			/* Segments Left */
 	u_int32_t hdrlen;			/* Header Length */
diff --git a/include/linux/netlink.h b/include/linux/netlink.h
index ab5d3126831..fde27c01732 100644
--- a/include/linux/netlink.h
+++ b/include/linux/netlink.h
@@ -29,16 +29,14 @@
 
 struct net;
 
-struct sockaddr_nl
-{
+struct sockaddr_nl {
 	sa_family_t	nl_family;	/* AF_NETLINK	*/
 	unsigned short	nl_pad;		/* zero		*/
 	__u32		nl_pid;		/* port ID	*/
        	__u32		nl_groups;	/* multicast groups mask */
 };
 
-struct nlmsghdr
-{
+struct nlmsghdr {
 	__u32		nlmsg_len;	/* Length of message including header */
 	__u16		nlmsg_type;	/* Message content */
 	__u16		nlmsg_flags;	/* Additional flags */
@@ -94,8 +92,7 @@ struct nlmsghdr
 
 #define NLMSG_MIN_TYPE		0x10	/* < 0x10: reserved control messages */
 
-struct nlmsgerr
-{
+struct nlmsgerr {
 	int		error;
 	struct nlmsghdr msg;
 };
@@ -106,8 +103,7 @@ struct nlmsgerr
 #define NETLINK_BROADCAST_ERROR	4
 #define NETLINK_NO_ENOBUFS	5
 
-struct nl_pktinfo
-{
+struct nl_pktinfo {
 	__u32	group;
 };
 
@@ -127,8 +123,7 @@ enum {
  *  <-------------- nlattr->nla_len -------------->
  */
 
-struct nlattr
-{
+struct nlattr {
 	__u16           nla_len;
 	__u16           nla_type;
 };
@@ -161,8 +156,7 @@ static inline struct nlmsghdr *nlmsg_hdr(const struct sk_buff *skb)
 	return (struct nlmsghdr *)skb->data;
 }
 
-struct netlink_skb_parms
-{
+struct netlink_skb_parms {
 	struct ucred		creds;		/* Skb credentials	*/
 	__u32			pid;
 	__u32			dst_group;
@@ -220,8 +214,7 @@ int netlink_sendskb(struct sock *sk, struct sk_buff *skb);
 #define NLMSG_DEFAULT_SIZE (NLMSG_GOODSIZE - NLMSG_HDRLEN)
 
 
-struct netlink_callback
-{
+struct netlink_callback {
 	struct sk_buff		*skb;
 	const struct nlmsghdr	*nlh;
 	int			(*dump)(struct sk_buff * skb,
@@ -231,8 +224,7 @@ struct netlink_callback
 	long			args[6];
 };
 
-struct netlink_notify
-{
+struct netlink_notify {
 	struct net *net;
 	int pid;
 	int protocol;
diff --git a/include/linux/pkt_cls.h b/include/linux/pkt_cls.h
index 3c842edff38..7f6ba8658ab 100644
--- a/include/linux/pkt_cls.h
+++ b/include/linux/pkt_cls.h
@@ -75,8 +75,7 @@ bits 9,10,11: redirect counter -  redirect TTL. Loop avoidance
 #define SET_TC_AT(v,n)   ((V_TC_AT(n)) | (v & ~M_TC_AT))
 
 /* Action attributes */
-enum
-{
+enum {
 	TCA_ACT_UNSPEC,
 	TCA_ACT_KIND,
 	TCA_ACT_OPTIONS,
@@ -108,8 +107,7 @@ enum
 #define TC_ACT_JUMP		0x10000000
 
 /* Action type identifiers*/
-enum
-{
+enum {
 	TCA_ID_UNSPEC=0,
 	TCA_ID_POLICE=1,
 	/* other actions go here */
@@ -118,8 +116,7 @@ enum
 
 #define TCA_ID_MAX __TCA_ID_MAX
 
-struct tc_police
-{
+struct tc_police {
 	__u32			index;
 	int			action;
 #define TC_POLICE_UNSPEC	TC_ACT_UNSPEC
@@ -138,15 +135,13 @@ struct tc_police
 	__u32			capab;
 };
 
-struct tcf_t
-{
+struct tcf_t {
 	__u64   install;
 	__u64   lastuse;
 	__u64   expires;
 };
 
-struct tc_cnt
-{
+struct tc_cnt {
 	int                   refcnt; 
 	int                   bindcnt;
 };
@@ -158,8 +153,7 @@ struct tc_cnt
 	int                   refcnt; \
 	int                   bindcnt
 
-enum
-{
+enum {
 	TCA_POLICE_UNSPEC,
 	TCA_POLICE_TBF,
 	TCA_POLICE_RATE,
@@ -182,8 +176,7 @@ enum
 #define TC_U32_UNSPEC	0
 #define TC_U32_ROOT	(0xFFF00000)
 
-enum
-{
+enum {
 	TCA_U32_UNSPEC,
 	TCA_U32_CLASSID,
 	TCA_U32_HASH,
@@ -200,16 +193,14 @@ enum
 
 #define TCA_U32_MAX (__TCA_U32_MAX - 1)
 
-struct tc_u32_key
-{
+struct tc_u32_key {
 	__be32		mask;
 	__be32		val;
 	int		off;
 	int		offmask;
 };
 
-struct tc_u32_sel
-{
+struct tc_u32_sel {
 	unsigned char		flags;
 	unsigned char		offshift;
 	unsigned char		nkeys;
@@ -223,15 +214,13 @@ struct tc_u32_sel
 	struct tc_u32_key	keys[0];
 };
 
-struct tc_u32_mark
-{
+struct tc_u32_mark {
 	__u32		val;
 	__u32		mask;
 	__u32		success;
 };
 
-struct tc_u32_pcnt
-{
+struct tc_u32_pcnt {
 	__u64 rcnt;
 	__u64 rhit;
 	__u64 kcnts[0];
@@ -249,8 +238,7 @@ struct tc_u32_pcnt
 
 /* RSVP filter */
 
-enum
-{
+enum {
 	TCA_RSVP_UNSPEC,
 	TCA_RSVP_CLASSID,
 	TCA_RSVP_DST,
@@ -263,15 +251,13 @@ enum
 
 #define TCA_RSVP_MAX (__TCA_RSVP_MAX - 1 )
 
-struct tc_rsvp_gpi
-{
+struct tc_rsvp_gpi {
 	__u32	key;
 	__u32	mask;
 	int	offset;
 };
 
-struct tc_rsvp_pinfo
-{
+struct tc_rsvp_pinfo {
 	struct tc_rsvp_gpi dpi;
 	struct tc_rsvp_gpi spi;
 	__u8	protocol;
@@ -282,8 +268,7 @@ struct tc_rsvp_pinfo
 
 /* ROUTE filter */
 
-enum
-{
+enum {
 	TCA_ROUTE4_UNSPEC,
 	TCA_ROUTE4_CLASSID,
 	TCA_ROUTE4_TO,
@@ -299,8 +284,7 @@ enum
 
 /* FW filter */
 
-enum
-{
+enum {
 	TCA_FW_UNSPEC,
 	TCA_FW_CLASSID,
 	TCA_FW_POLICE,
@@ -314,8 +298,7 @@ enum
 
 /* TC index filter */
 
-enum
-{
+enum {
 	TCA_TCINDEX_UNSPEC,
 	TCA_TCINDEX_HASH,
 	TCA_TCINDEX_MASK,
@@ -331,8 +314,7 @@ enum
 
 /* Flow filter */
 
-enum
-{
+enum {
 	FLOW_KEY_SRC,
 	FLOW_KEY_DST,
 	FLOW_KEY_PROTO,
@@ -355,14 +337,12 @@ enum
 
 #define FLOW_KEY_MAX	(__FLOW_KEY_MAX - 1)
 
-enum
-{
+enum {
 	FLOW_MODE_MAP,
 	FLOW_MODE_HASH,
 };
 
-enum
-{
+enum {
 	TCA_FLOW_UNSPEC,
 	TCA_FLOW_KEYS,
 	TCA_FLOW_MODE,
@@ -383,8 +363,7 @@ enum
 
 /* Basic filter */
 
-enum
-{
+enum {
 	TCA_BASIC_UNSPEC,
 	TCA_BASIC_CLASSID,
 	TCA_BASIC_EMATCHES,
@@ -398,8 +377,7 @@ enum
 
 /* Cgroup classifier */
 
-enum
-{
+enum {
 	TCA_CGROUP_UNSPEC,
 	TCA_CGROUP_ACT,
 	TCA_CGROUP_POLICE,
@@ -411,14 +389,12 @@ enum
 
 /* Extended Matches */
 
-struct tcf_ematch_tree_hdr
-{
+struct tcf_ematch_tree_hdr {
 	__u16		nmatches;
 	__u16		progid;
 };
 
-enum
-{
+enum {
 	TCA_EMATCH_TREE_UNSPEC,
 	TCA_EMATCH_TREE_HDR,
 	TCA_EMATCH_TREE_LIST,
@@ -426,8 +402,7 @@ enum
 };
 #define TCA_EMATCH_TREE_MAX (__TCA_EMATCH_TREE_MAX - 1)
 
-struct tcf_ematch_hdr
-{
+struct tcf_ematch_hdr {
 	__u16		matchid;
 	__u16		kind;
 	__u16		flags;
@@ -457,8 +432,7 @@ struct tcf_ematch_hdr
 #define TCF_EM_REL_MASK	3
 #define TCF_EM_REL_VALID(v) (((v) & TCF_EM_REL_MASK) != TCF_EM_REL_MASK)
 
-enum
-{
+enum {
 	TCF_LAYER_LINK,
 	TCF_LAYER_NETWORK,
 	TCF_LAYER_TRANSPORT,
@@ -479,13 +453,11 @@ enum
 #define        TCF_EM_VLAN		6
 #define	TCF_EM_MAX		6
 
-enum
-{
+enum {
 	TCF_EM_PROG_TC
 };
 
-enum
-{
+enum {
 	TCF_EM_OPND_EQ,
 	TCF_EM_OPND_GT,
 	TCF_EM_OPND_LT
diff --git a/include/linux/pkt_sched.h b/include/linux/pkt_sched.h
index d51a2b3e221..2cfa4bc8dea 100644
--- a/include/linux/pkt_sched.h
+++ b/include/linux/pkt_sched.h
@@ -29,8 +29,7 @@
    Particular schedulers may have also their private records.
  */
 
-struct tc_stats
-{
+struct tc_stats {
 	__u64	bytes;			/* NUmber of enqueues bytes */
 	__u32	packets;		/* Number of enqueued packets	*/
 	__u32	drops;			/* Packets dropped because of lack of resources */
@@ -42,8 +41,7 @@ struct tc_stats
 	__u32	backlog;
 };
 
-struct tc_estimator
-{
+struct tc_estimator {
 	signed char	interval;
 	unsigned char	ewma_log;
 };
@@ -75,8 +73,7 @@ struct tc_estimator
 #define TC_H_ROOT	(0xFFFFFFFFU)
 #define TC_H_INGRESS    (0xFFFFFFF1U)
 
-struct tc_ratespec
-{
+struct tc_ratespec {
 	unsigned char	cell_log;
 	unsigned char	__reserved;
 	unsigned short	overhead;
@@ -109,8 +106,7 @@ enum {
 
 /* FIFO section */
 
-struct tc_fifo_qopt
-{
+struct tc_fifo_qopt {
 	__u32	limit;	/* Queue length: bytes for bfifo, packets for pfifo */
 };
 
@@ -119,8 +115,7 @@ struct tc_fifo_qopt
 #define TCQ_PRIO_BANDS	16
 #define TCQ_MIN_PRIO_BANDS 2
 
-struct tc_prio_qopt
-{
+struct tc_prio_qopt {
 	int	bands;			/* Number of bands */
 	__u8	priomap[TC_PRIO_MAX+1];	/* Map: logical priority -> PRIO band */
 };
@@ -134,8 +129,7 @@ struct tc_multiq_qopt {
 
 /* TBF section */
 
-struct tc_tbf_qopt
-{
+struct tc_tbf_qopt {
 	struct tc_ratespec rate;
 	struct tc_ratespec peakrate;
 	__u32		limit;
@@ -143,8 +137,7 @@ struct tc_tbf_qopt
 	__u32		mtu;
 };
 
-enum
-{
+enum {
 	TCA_TBF_UNSPEC,
 	TCA_TBF_PARMS,
 	TCA_TBF_RTAB,
@@ -161,8 +154,7 @@ enum
 
 /* SFQ section */
 
-struct tc_sfq_qopt
-{
+struct tc_sfq_qopt {
 	unsigned	quantum;	/* Bytes per round allocated to flow */
 	int		perturb_period;	/* Period of hash perturbation */
 	__u32		limit;		/* Maximal packets in queue */
@@ -170,8 +162,7 @@ struct tc_sfq_qopt
 	unsigned	flows;		/* Maximal number of flows  */
 };
 
-struct tc_sfq_xstats
-{
+struct tc_sfq_xstats {
 	__s32		allot;
 };
 
@@ -186,8 +177,7 @@ struct tc_sfq_xstats
 
 /* RED section */
 
-enum
-{
+enum {
 	TCA_RED_UNSPEC,
 	TCA_RED_PARMS,
 	TCA_RED_STAB,
@@ -196,8 +186,7 @@ enum
 
 #define TCA_RED_MAX (__TCA_RED_MAX - 1)
 
-struct tc_red_qopt
-{
+struct tc_red_qopt {
 	__u32		limit;		/* HARD maximal queue length (bytes)	*/
 	__u32		qth_min;	/* Min average length threshold (bytes) */
 	__u32		qth_max;	/* Max average length threshold (bytes) */
@@ -209,8 +198,7 @@ struct tc_red_qopt
 #define TC_RED_HARDDROP	2
 };
 
-struct tc_red_xstats
-{
+struct tc_red_xstats {
 	__u32           early;          /* Early drops */
 	__u32           pdrop;          /* Drops due to queue limits */
 	__u32           other;          /* Drops due to drop() calls */
@@ -221,8 +209,7 @@ struct tc_red_xstats
 
 #define MAX_DPs 16
 
-enum
-{
+enum {
        TCA_GRED_UNSPEC,
        TCA_GRED_PARMS,
        TCA_GRED_STAB,
@@ -232,8 +219,7 @@ enum
 
 #define TCA_GRED_MAX (__TCA_GRED_MAX - 1)
 
-struct tc_gred_qopt
-{
+struct tc_gred_qopt {
 	__u32		limit;        /* HARD maximal queue length (bytes)    */
 	__u32		qth_min;      /* Min average length threshold (bytes) */
 	__u32		qth_max;      /* Max average length threshold (bytes) */
@@ -253,8 +239,7 @@ struct tc_gred_qopt
 };
 
 /* gred setup */
-struct tc_gred_sopt
-{
+struct tc_gred_sopt {
 	__u32		DPs;
 	__u32		def_DP;
 	__u8		grio;
@@ -267,8 +252,7 @@ struct tc_gred_sopt
 #define TC_HTB_MAXDEPTH		8
 #define TC_HTB_PROTOVER		3 /* the same as HTB and TC's major */
 
-struct tc_htb_opt
-{
+struct tc_htb_opt {
 	struct tc_ratespec 	rate;
 	struct tc_ratespec 	ceil;
 	__u32	buffer;
@@ -277,8 +261,7 @@ struct tc_htb_opt
 	__u32	level;		/* out only */
 	__u32	prio;
 };
-struct tc_htb_glob
-{
+struct tc_htb_glob {
 	__u32 version;		/* to match HTB/TC */
     	__u32 rate2quantum;	/* bps->quantum divisor */
     	__u32 defcls;		/* default class number */
@@ -287,8 +270,7 @@ struct tc_htb_glob
 	/* stats */
 	__u32 direct_pkts; /* count of non shapped packets */
 };
-enum
-{
+enum {
 	TCA_HTB_UNSPEC,
 	TCA_HTB_PARMS,
 	TCA_HTB_INIT,
@@ -299,8 +281,7 @@ enum
 
 #define TCA_HTB_MAX (__TCA_HTB_MAX - 1)
 
-struct tc_htb_xstats
-{
+struct tc_htb_xstats {
 	__u32 lends;
 	__u32 borrows;
 	__u32 giants;	/* too big packets (rate will not be accurate) */
@@ -310,28 +291,24 @@ struct tc_htb_xstats
 
 /* HFSC section */
 
-struct tc_hfsc_qopt
-{
+struct tc_hfsc_qopt {
 	__u16	defcls;		/* default class */
 };
 
-struct tc_service_curve
-{
+struct tc_service_curve {
 	__u32	m1;		/* slope of the first segment in bps */
 	__u32	d;		/* x-projection of the first segment in us */
 	__u32	m2;		/* slope of the second segment in bps */
 };
 
-struct tc_hfsc_stats
-{
+struct tc_hfsc_stats {
 	__u64	work;		/* total work done */
 	__u64	rtwork;		/* work done by real-time criteria */
 	__u32	period;		/* current period */
 	__u32	level;		/* class level in hierarchy */
 };
 
-enum
-{
+enum {
 	TCA_HFSC_UNSPEC,
 	TCA_HFSC_RSC,
 	TCA_HFSC_FSC,
@@ -348,8 +325,7 @@ enum
 #define TC_CBQ_MAXLEVEL		8
 #define TC_CBQ_DEF_EWMA		5
 
-struct tc_cbq_lssopt
-{
+struct tc_cbq_lssopt {
 	unsigned char	change;
 	unsigned char	flags;
 #define TCF_CBQ_LSS_BOUNDED	1
@@ -368,8 +344,7 @@ struct tc_cbq_lssopt
 	__u32		avpkt;
 };
 
-struct tc_cbq_wrropt
-{
+struct tc_cbq_wrropt {
 	unsigned char	flags;
 	unsigned char	priority;
 	unsigned char	cpriority;
@@ -378,8 +353,7 @@ struct tc_cbq_wrropt
 	__u32		weight;
 };
 
-struct tc_cbq_ovl
-{
+struct tc_cbq_ovl {
 	unsigned char	strategy;
 #define	TC_CBQ_OVL_CLASSIC	0
 #define	TC_CBQ_OVL_DELAY	1
@@ -391,30 +365,26 @@ struct tc_cbq_ovl
 	__u32		penalty;
 };
 
-struct tc_cbq_police
-{
+struct tc_cbq_police {
 	unsigned char	police;
 	unsigned char	__res1;
 	unsigned short	__res2;
 };
 
-struct tc_cbq_fopt
-{
+struct tc_cbq_fopt {
 	__u32		split;
 	__u32		defmap;
 	__u32		defchange;
 };
 
-struct tc_cbq_xstats
-{
+struct tc_cbq_xstats {
 	__u32		borrows;
 	__u32		overactions;
 	__s32		avgidle;
 	__s32		undertime;
 };
 
-enum
-{
+enum {
 	TCA_CBQ_UNSPEC,
 	TCA_CBQ_LSSOPT,
 	TCA_CBQ_WRROPT,
@@ -459,8 +429,7 @@ enum {
 
 /* Network emulator */
 
-enum
-{
+enum {
 	TCA_NETEM_UNSPEC,
 	TCA_NETEM_CORR,
 	TCA_NETEM_DELAY_DIST,
@@ -471,8 +440,7 @@ enum
 
 #define TCA_NETEM_MAX (__TCA_NETEM_MAX - 1)
 
-struct tc_netem_qopt
-{
+struct tc_netem_qopt {
 	__u32	latency;	/* added delay (us) */
 	__u32   limit;		/* fifo limit (packets) */
 	__u32	loss;		/* random packet loss (0=none ~0=100%) */
@@ -481,21 +449,18 @@ struct tc_netem_qopt
 	__u32	jitter;		/* random jitter in latency (us) */
 };
 
-struct tc_netem_corr
-{
+struct tc_netem_corr {
 	__u32	delay_corr;	/* delay correlation */
 	__u32	loss_corr;	/* packet loss correlation */
 	__u32	dup_corr;	/* duplicate correlation  */
 };
 
-struct tc_netem_reorder
-{
+struct tc_netem_reorder {
 	__u32	probability;
 	__u32	correlation;
 };
 
-struct tc_netem_corrupt
-{
+struct tc_netem_corrupt {
 	__u32	probability;
 	__u32	correlation;
 };
@@ -504,8 +469,7 @@ struct tc_netem_corrupt
 
 /* DRR */
 
-enum
-{
+enum {
 	TCA_DRR_UNSPEC,
 	TCA_DRR_QUANTUM,
 	__TCA_DRR_MAX
@@ -513,8 +477,7 @@ enum
 
 #define TCA_DRR_MAX	(__TCA_DRR_MAX - 1)
 
-struct tc_drr_stats
-{
+struct tc_drr_stats {
 	__u32	deficit;
 };
 
diff --git a/include/linux/route.h b/include/linux/route.h
index f7ed35d5e65..6600708311c 100644
--- a/include/linux/route.h
+++ b/include/linux/route.h
@@ -27,8 +27,7 @@
 #include <linux/compiler.h>
 
 /* This structure gets passed by the SIOCADDRT and SIOCDELRT calls. */
-struct rtentry 
-{
+struct rtentry {
 	unsigned long	rt_pad1;
 	struct sockaddr	rt_dst;		/* target address		*/
 	struct sockaddr	rt_gateway;	/* gateway addr (RTF_GATEWAY)	*/
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index e78b60cd65a..14fc906ed60 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -127,8 +127,7 @@ enum {
    with attribute type.
  */
 
-struct rtattr
-{
+struct rtattr {
 	unsigned short	rta_len;
 	unsigned short	rta_type;
 };
@@ -154,8 +153,7 @@ struct rtattr
  *		Definitions used in routing table administration.
  ****/
 
-struct rtmsg
-{
+struct rtmsg {
 	unsigned char		rtm_family;
 	unsigned char		rtm_dst_len;
 	unsigned char		rtm_src_len;
@@ -171,8 +169,7 @@ struct rtmsg
 
 /* rtm_type */
 
-enum
-{
+enum {
 	RTN_UNSPEC,
 	RTN_UNICAST,		/* Gateway or direct route	*/
 	RTN_LOCAL,		/* Accept locally		*/
@@ -230,8 +227,7 @@ enum
    could be assigned a value between UNIVERSE and LINK.
 */
 
-enum rt_scope_t
-{
+enum rt_scope_t {
 	RT_SCOPE_UNIVERSE=0,
 /* User defined values  */
 	RT_SCOPE_SITE=200,
@@ -249,8 +245,7 @@ enum rt_scope_t
 
 /* Reserved table identifiers */
 
-enum rt_class_t
-{
+enum rt_class_t {
 	RT_TABLE_UNSPEC=0,
 /* User defined values */
 	RT_TABLE_COMPAT=252,
@@ -263,8 +258,7 @@ enum rt_class_t
 
 /* Routing message attributes */
 
-enum rtattr_type_t
-{
+enum rtattr_type_t {
 	RTA_UNSPEC,
 	RTA_DST,
 	RTA_SRC,
@@ -298,8 +292,7 @@ enum rtattr_type_t
  * and rtt for different paths from multipath.
  */
 
-struct rtnexthop
-{
+struct rtnexthop {
 	unsigned short		rtnh_len;
 	unsigned char		rtnh_flags;
 	unsigned char		rtnh_hops;
@@ -325,8 +318,7 @@ struct rtnexthop
 
 /* RTM_CACHEINFO */
 
-struct rta_cacheinfo
-{
+struct rta_cacheinfo {
 	__u32	rta_clntref;
 	__u32	rta_lastuse;
 	__s32	rta_expires;
@@ -341,8 +333,7 @@ struct rta_cacheinfo
 
 /* RTM_METRICS --- array of struct rtattr with types of RTAX_* */
 
-enum
-{
+enum {
 	RTAX_UNSPEC,
 #define RTAX_UNSPEC RTAX_UNSPEC
 	RTAX_LOCK,
@@ -383,8 +374,7 @@ enum
 #define RTAX_FEATURE_NO_WSCALE	0x00000010
 #define RTAX_FEATURE_NO_DSACK	0x00000020
 
-struct rta_session
-{
+struct rta_session {
 	__u8	proto;
 	__u8	pad1;
 	__u16	pad2;
@@ -409,8 +399,7 @@ struct rta_session
  *		General form of address family dependent message.
  ****/
 
-struct rtgenmsg
-{
+struct rtgenmsg {
 	unsigned char		rtgen_family;
 };
 
@@ -423,8 +412,7 @@ struct rtgenmsg
  * on network protocol.
  */
 
-struct ifinfomsg
-{
+struct ifinfomsg {
 	unsigned char	ifi_family;
 	unsigned char	__ifi_pad;
 	unsigned short	ifi_type;		/* ARPHRD_* */
@@ -437,8 +425,7 @@ struct ifinfomsg
  *		prefix information 
  ****/
 
-struct prefixmsg
-{
+struct prefixmsg {
 	unsigned char	prefix_family;
 	unsigned char	prefix_pad1;
 	unsigned short	prefix_pad2;
@@ -459,8 +446,7 @@ enum
 
 #define PREFIX_MAX	(__PREFIX_MAX - 1)
 
-struct prefix_cacheinfo
-{
+struct prefix_cacheinfo {
 	__u32	preferred_time;
 	__u32	valid_time;
 };
@@ -470,8 +456,7 @@ struct prefix_cacheinfo
  *		Traffic control messages.
  ****/
 
-struct tcmsg
-{
+struct tcmsg {
 	unsigned char	tcm_family;
 	unsigned char	tcm__pad1;
 	unsigned short	tcm__pad2;
@@ -481,8 +466,7 @@ struct tcmsg
 	__u32		tcm_info;
 };
 
-enum
-{
+enum {
 	TCA_UNSPEC,
 	TCA_KIND,
 	TCA_OPTIONS,
@@ -504,8 +488,7 @@ enum
  *		Neighbor Discovery userland options
  ****/
 
-struct nduseroptmsg
-{
+struct nduseroptmsg {
 	unsigned char	nduseropt_family;
 	unsigned char	nduseropt_pad1;
 	unsigned short	nduseropt_opts_len;	/* Total length of options */
@@ -517,8 +500,7 @@ struct nduseroptmsg
 	/* Followed by one or more ND options */
 };
 
-enum
-{
+enum {
 	NDUSEROPT_UNSPEC,
 	NDUSEROPT_SRCADDR,
 	__NDUSEROPT_MAX
@@ -600,8 +582,7 @@ enum rtnetlink_groups {
 #define RTNLGRP_MAX	(__RTNLGRP_MAX - 1)
 
 /* TC action piece */
-struct tcamsg
-{
+struct tcamsg {
 	unsigned char	tca_family;
 	unsigned char	tca__pad1;
 	unsigned short	tca__pad2;
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 0c68fbd6faa..d0448c5d1ff 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -491,8 +491,7 @@ extern int skb_append_datato_frags(struct sock *sk, struct sk_buff *skb,
 			int len,int odd, struct sk_buff *skb),
 			void *from, int length);
 
-struct skb_seq_state
-{
+struct skb_seq_state {
 	__u32		lower_offset;
 	__u32		upper_offset;
 	__u32		frag_idx;
diff --git a/include/linux/tc_act/tc_defact.h b/include/linux/tc_act/tc_defact.h
index 964f473af0f..6f65d07c7ce 100644
--- a/include/linux/tc_act/tc_defact.h
+++ b/include/linux/tc_act/tc_defact.h
@@ -3,13 +3,11 @@
 
 #include <linux/pkt_cls.h>
 
-struct tc_defact
-{
+struct tc_defact {
 	tc_gen;
 };
                                                                                 
-enum
-{
+enum {
 	TCA_DEF_UNSPEC,
 	TCA_DEF_TM,
 	TCA_DEF_PARMS,
diff --git a/include/linux/tc_act/tc_gact.h b/include/linux/tc_act/tc_gact.h
index e895c0a3962..f7bf94eed51 100644
--- a/include/linux/tc_act/tc_gact.h
+++ b/include/linux/tc_act/tc_gact.h
@@ -5,14 +5,12 @@
 #include <linux/pkt_cls.h>
 
 #define TCA_ACT_GACT 5
-struct tc_gact
-{
+struct tc_gact {
 	tc_gen;
 
 };
 
-struct tc_gact_p
-{
+struct tc_gact_p {
 #define PGACT_NONE              0
 #define PGACT_NETRAND           1
 #define PGACT_DETERM            2
@@ -22,8 +20,7 @@ struct tc_gact_p
 	int                   paction;
 };
  
-enum
-{
+enum {
 	TCA_GACT_UNSPEC,
 	TCA_GACT_TM,
 	TCA_GACT_PARMS,
diff --git a/include/linux/tc_act/tc_ipt.h b/include/linux/tc_act/tc_ipt.h
index 4b6f7b6c7a7..a2335563d21 100644
--- a/include/linux/tc_act/tc_ipt.h
+++ b/include/linux/tc_act/tc_ipt.h
@@ -5,8 +5,7 @@
 
 #define TCA_ACT_IPT 6
 
-enum
-{
+enum {
 	TCA_IPT_UNSPEC,
 	TCA_IPT_TABLE,
 	TCA_IPT_HOOK,
diff --git a/include/linux/tc_act/tc_mirred.h b/include/linux/tc_act/tc_mirred.h
index 0a99ab60d61..7561750e8fd 100644
--- a/include/linux/tc_act/tc_mirred.h
+++ b/include/linux/tc_act/tc_mirred.h
@@ -10,15 +10,13 @@
 #define TCA_INGRESS_REDIR 3  /* packet redirect to INGRESS*/
 #define TCA_INGRESS_MIRROR 4 /* mirror packet to INGRESS */
                                                                                 
-struct tc_mirred
-{
+struct tc_mirred {
 	tc_gen;
 	int                     eaction;   /* one of IN/EGRESS_MIRROR/REDIR */
 	__u32                   ifindex;  /* ifindex of egress port */
 };
                                                                                 
-enum
-{
+enum {
 	TCA_MIRRED_UNSPEC,
 	TCA_MIRRED_TM,
 	TCA_MIRRED_PARMS,
diff --git a/include/linux/tc_act/tc_nat.h b/include/linux/tc_act/tc_nat.h
index e7cf31e8ba7..6663aeba0b9 100644
--- a/include/linux/tc_act/tc_nat.h
+++ b/include/linux/tc_act/tc_nat.h
@@ -6,8 +6,7 @@
 
 #define TCA_ACT_NAT 9
 
-enum
-{
+enum {
 	TCA_NAT_UNSPEC,
 	TCA_NAT_PARMS,
 	TCA_NAT_TM,
@@ -17,8 +16,7 @@ enum
 
 #define TCA_NAT_FLAG_EGRESS 1
 
-struct tc_nat
-{
+struct tc_nat {
 	tc_gen;
 	__be32 old_addr;
 	__be32 new_addr;
diff --git a/include/linux/tc_act/tc_pedit.h b/include/linux/tc_act/tc_pedit.h
index 54ce9064115..716cfabcd5b 100644
--- a/include/linux/tc_act/tc_pedit.h
+++ b/include/linux/tc_act/tc_pedit.h
@@ -6,8 +6,7 @@
 
 #define TCA_ACT_PEDIT 7
 
-enum
-{
+enum {
 	TCA_PEDIT_UNSPEC,
 	TCA_PEDIT_TM,
 	TCA_PEDIT_PARMS,
@@ -15,8 +14,7 @@ enum
 };
 #define TCA_PEDIT_MAX (__TCA_PEDIT_MAX - 1)
                                                                                 
-struct tc_pedit_key
-{
+struct tc_pedit_key {
 	__u32           mask;  /* AND */
 	__u32           val;   /*XOR */
 	__u32           off;  /*offset */
@@ -25,8 +23,7 @@ struct tc_pedit_key
 	__u32           shift;
 };
                                                                                 
-struct tc_pedit_sel
-{
+struct tc_pedit_sel {
 	tc_gen;
 	unsigned char           nkeys;
 	unsigned char           flags;
diff --git a/include/linux/tc_ematch/tc_em_cmp.h b/include/linux/tc_ematch/tc_em_cmp.h
index 38e7f7b25ec..f34bb1bae08 100644
--- a/include/linux/tc_ematch/tc_em_cmp.h
+++ b/include/linux/tc_ematch/tc_em_cmp.h
@@ -4,8 +4,7 @@
 #include <linux/types.h>
 #include <linux/pkt_cls.h>
 
-struct tcf_em_cmp
-{
+struct tcf_em_cmp {
 	__u32		val;
 	__u32		mask;
 	__u16		off;
@@ -15,8 +14,7 @@ struct tcf_em_cmp
 	__u8		opnd:4;
 };
 
-enum
-{
+enum {
 	TCF_EM_ALIGN_U8  = 1,
 	TCF_EM_ALIGN_U16 = 2,
 	TCF_EM_ALIGN_U32 = 4
diff --git a/include/linux/tc_ematch/tc_em_meta.h b/include/linux/tc_ematch/tc_em_meta.h
index dcfb733fa1f..0864206ec1a 100644
--- a/include/linux/tc_ematch/tc_em_meta.h
+++ b/include/linux/tc_ematch/tc_em_meta.h
@@ -4,8 +4,7 @@
 #include <linux/types.h>
 #include <linux/pkt_cls.h>
 
-enum
-{
+enum {
 	TCA_EM_META_UNSPEC,
 	TCA_EM_META_HDR,
 	TCA_EM_META_LVALUE,
@@ -14,8 +13,7 @@ enum
 };
 #define TCA_EM_META_MAX (__TCA_EM_META_MAX - 1)
 
-struct tcf_meta_val
-{
+struct tcf_meta_val {
 	__u16			kind;
 	__u8			shift;
 	__u8			op;
@@ -26,16 +24,14 @@ struct tcf_meta_val
 #define TCF_META_ID_MASK	0x7ff
 #define TCF_META_ID(kind)	((kind) & TCF_META_ID_MASK)
 
-enum
-{
+enum {
 	TCF_META_TYPE_VAR,
 	TCF_META_TYPE_INT,
 	__TCF_META_TYPE_MAX
 };
 #define TCF_META_TYPE_MAX (__TCF_META_TYPE_MAX - 1)
 
-enum
-{
+enum {
 	TCF_META_ID_VALUE,
 	TCF_META_ID_RANDOM,
 	TCF_META_ID_LOADAVG_0,
@@ -87,8 +83,7 @@ enum
 };
 #define TCF_META_ID_MAX (__TCF_META_ID_MAX - 1)
 
-struct tcf_meta_hdr
-{
+struct tcf_meta_hdr {
 	struct tcf_meta_val	left;
 	struct tcf_meta_val	right;
 };
diff --git a/include/linux/tc_ematch/tc_em_nbyte.h b/include/linux/tc_ematch/tc_em_nbyte.h
index 9ed8c2e5848..7172cfb999c 100644
--- a/include/linux/tc_ematch/tc_em_nbyte.h
+++ b/include/linux/tc_ematch/tc_em_nbyte.h
@@ -4,8 +4,7 @@
 #include <linux/types.h>
 #include <linux/pkt_cls.h>
 
-struct tcf_em_nbyte
-{
+struct tcf_em_nbyte {
 	__u16		off;
 	__u16		len:12;
 	__u8		layer:4;
diff --git a/include/linux/tc_ematch/tc_em_text.h b/include/linux/tc_ematch/tc_em_text.h
index d12a73a225f..5aac4045ba8 100644
--- a/include/linux/tc_ematch/tc_em_text.h
+++ b/include/linux/tc_ematch/tc_em_text.h
@@ -6,8 +6,7 @@
 
 #define TC_EM_TEXT_ALGOSIZ	16
 
-struct tcf_em_text
-{
+struct tcf_em_text {
 	char		algo[TC_EM_TEXT_ALGOSIZ];
 	__u16		from_offset;
 	__u16		to_offset;
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 61723a7c21f..eeecb8547a2 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -102,8 +102,7 @@ enum {
 #define TCPI_OPT_WSCALE		4
 #define TCPI_OPT_ECN		8
 
-enum tcp_ca_state
-{
+enum tcp_ca_state {
 	TCP_CA_Open = 0,
 #define TCPF_CA_Open	(1<<TCP_CA_Open)
 	TCP_CA_Disorder = 1,
@@ -116,8 +115,7 @@ enum tcp_ca_state
 #define TCPF_CA_Loss	(1<<TCP_CA_Loss)
 };
 
-struct tcp_info
-{
+struct tcp_info {
 	__u8	tcpi_state;
 	__u8	tcpi_ca_state;
 	__u8	tcpi_retransmits;
diff --git a/include/linux/xfrm.h b/include/linux/xfrm.h
index 2d4ec15abac..3246f0e66bc 100644
--- a/include/linux/xfrm.h
+++ b/include/linux/xfrm.h
@@ -10,8 +10,7 @@
 /* Structure to encapsulate addresses. I do not want to use
  * "standard" structure. My apologies.
  */
-typedef union
-{
+typedef union {
 	__be32		a4;
 	__be32		a6[4];
 } xfrm_address_t;
@@ -20,8 +19,7 @@ typedef union
  * the state by (spi,daddr,ah/esp) or to store information about
  * spi, protocol and tunnel address on output.
  */
-struct xfrm_id
-{
+struct xfrm_id {
 	xfrm_address_t	daddr;
 	__be32		spi;
 	__u8		proto;
@@ -45,8 +43,7 @@ struct xfrm_sec_ctx {
 
 /* Selector, used as selector both on policy rules (SPD) and SAs. */
 
-struct xfrm_selector
-{
+struct xfrm_selector {
 	xfrm_address_t	daddr;
 	xfrm_address_t	saddr;
 	__be16	dport;
@@ -63,8 +60,7 @@ struct xfrm_selector
 
 #define XFRM_INF (~(__u64)0)
 
-struct xfrm_lifetime_cfg
-{
+struct xfrm_lifetime_cfg {
 	__u64	soft_byte_limit;
 	__u64	hard_byte_limit;
 	__u64	soft_packet_limit;
@@ -75,16 +71,14 @@ struct xfrm_lifetime_cfg
 	__u64	hard_use_expires_seconds;
 };
 
-struct xfrm_lifetime_cur
-{
+struct xfrm_lifetime_cur {
 	__u64	bytes;
 	__u64	packets;
 	__u64	add_time;
 	__u64	use_time;
 };
 
-struct xfrm_replay_state
-{
+struct xfrm_replay_state {
 	__u32	oseq;
 	__u32	seq;
 	__u32	bitmap;
@@ -109,16 +103,14 @@ struct xfrm_stats {
 	__u32	integrity_failed;
 };
 
-enum
-{
+enum {
 	XFRM_POLICY_TYPE_MAIN	= 0,
 	XFRM_POLICY_TYPE_SUB	= 1,
 	XFRM_POLICY_TYPE_MAX	= 2,
 	XFRM_POLICY_TYPE_ANY	= 255
 };
 
-enum
-{
+enum {
 	XFRM_POLICY_IN	= 0,
 	XFRM_POLICY_OUT	= 1,
 	XFRM_POLICY_FWD	= 2,
@@ -126,8 +118,7 @@ enum
 	XFRM_POLICY_MAX	= 3
 };
 
-enum
-{
+enum {
 	XFRM_SHARE_ANY,		/* No limitations */
 	XFRM_SHARE_SESSION,	/* For this session only */
 	XFRM_SHARE_USER,	/* For this user only */
-- 
GitLab


From b4d745db12bd2d45a456565ed63325bbfc689e68 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 4 Nov 2009 10:59:38 -0800
Subject: [PATCH 0884/1815] decnet: avoid touching device refcount in
 dn_dev_by_index()

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/decnet/dn_dev.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index 6e1f085db06..d82694d930b 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -600,15 +600,17 @@ static void dn_dev_check_default(struct net_device *dev)
 		dev_put(dev);
 }
 
+/*
+ * Called with RTNL
+ */
 static struct dn_dev *dn_dev_by_index(int ifindex)
 {
 	struct net_device *dev;
 	struct dn_dev *dn_dev = NULL;
-	dev = dev_get_by_index(&init_net, ifindex);
-	if (dev) {
+
+	dev = __dev_get_by_index(&init_net, ifindex);
+	if (dev)
 		dn_dev = dev->dn_ptr;
-		dev_put(dev);
-	}
 
 	return dn_dev;
 }
-- 
GitLab


From 9481721be10a1bfd1ee9ccf507eecd7f37caa5ec Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 4 Nov 2009 21:14:31 +0100
Subject: [PATCH 0885/1815] netfilter: remove synchronize_net() calls in
 ip_queue/ip6_queue

nf_unregister_queue_handlers() already does a synchronize_rcu()
call, we dont need to do it again in callers.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
---
 net/ipv4/netfilter/ip_queue.c  | 2 +-
 net/ipv6/netfilter/ip6_queue.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c
index c156db21598..9811a456fb5 100644
--- a/net/ipv4/netfilter/ip_queue.c
+++ b/net/ipv4/netfilter/ip_queue.c
@@ -622,7 +622,7 @@ cleanup_netlink_notifier:
 static void __exit ip_queue_fini(void)
 {
 	nf_unregister_queue_handlers(&nfqh);
-	synchronize_net();
+
 	ipq_flush(NULL, 0);
 
 #ifdef CONFIG_SYSCTL
diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c
index 1cf3f0c6a95..a82016fd5d6 100644
--- a/net/ipv6/netfilter/ip6_queue.c
+++ b/net/ipv6/netfilter/ip6_queue.c
@@ -625,7 +625,7 @@ cleanup_netlink_notifier:
 static void __exit ip6_queue_fini(void)
 {
 	nf_unregister_queue_handlers(&nfqh);
-	synchronize_net();
+
 	ipq_flush(NULL, 0);
 
 #ifdef CONFIG_SYSCTL
-- 
GitLab


From 3c6af5b54fe74b6e56efadc22927e4055d00e9fc Mon Sep 17 00:00:00 2001
From: "John W. Linville" <linville@tuxdriver.com>
Date: Mon, 2 Nov 2009 13:43:32 -0500
Subject: [PATCH 0886/1815] wl1271: depend on INET

wl1271_main.c:(.text+0x271052): undefined reference to `unregister_inetaddr_notifier'
wl1271_main.c:(.text+0x2714d7): undefined reference to `register_inetaddr_notifier'

Driver is doing some filtering based on IP addresses...

Acked-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/wl12xx/Kconfig b/drivers/net/wireless/wl12xx/Kconfig
index 33de7fa4f88..785e0244e30 100644
--- a/drivers/net/wireless/wl12xx/Kconfig
+++ b/drivers/net/wireless/wl12xx/Kconfig
@@ -42,6 +42,7 @@ config WL1251_SDIO
 config WL1271
 	tristate "TI wl1271 support"
 	depends on WL12XX && SPI_MASTER && GENERIC_HARDIRQS
+	depends on INET
 	select FW_LOADER
 	select CRC7
 	---help---
-- 
GitLab


From 8848fd253bb26f09987405613bad3e0d53441ec0 Mon Sep 17 00:00:00 2001
From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Thu, 22 Oct 2009 20:19:23 +0200
Subject: [PATCH 0887/1815] mwl8k: fix GET_STAT firmware command packet layout

The GET_STAT command doesn't have an 'action' field like other
commands do, so remove it.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwl8k.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 746532ebe5a..32499984e91 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -1590,7 +1590,6 @@ __mwl8k_cmd_mac_multicast_adr(struct ieee80211_hw *hw,
  */
 struct mwl8k_cmd_802_11_get_stat {
 	struct mwl8k_cmd_pkt header;
-	__le16 action;
 	__le32 stats[64];
 } __attribute__((packed));
 
@@ -1611,7 +1610,6 @@ static int mwl8k_cmd_802_11_get_stat(struct ieee80211_hw *hw,
 
 	cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_STAT);
 	cmd->header.length = cpu_to_le16(sizeof(*cmd));
-	cmd->action = cpu_to_le16(MWL8K_CMD_GET);
 
 	rc = mwl8k_post_cmd(hw, &cmd->header);
 	if (!rc) {
-- 
GitLab


From c2c357ce309221b85fd36e50aade66d01a556cde Mon Sep 17 00:00:00 2001
From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Thu, 22 Oct 2009 20:19:33 +0200
Subject: [PATCH 0888/1815] mwl8k: coding style cleanups

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwl8k.c | 122 +++++++++++++++++++----------------
 1 file changed, 65 insertions(+), 57 deletions(-)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 32499984e91..252ef9c8336 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -27,11 +27,6 @@
 #define MWL8K_NAME	KBUILD_MODNAME
 #define MWL8K_VERSION	"0.10"
 
-MODULE_DESCRIPTION(MWL8K_DESC);
-MODULE_VERSION(MWL8K_VERSION);
-MODULE_AUTHOR("Lennert Buytenhek <buytenh@marvell.com>");
-MODULE_LICENSE("GPL");
-
 static DEFINE_PCI_DEVICE_TABLE(mwl8k_table) = {
 	{ PCI_VDEVICE(MARVELL, 0x2a2b), .driver_data = 8687, },
 	{ PCI_VDEVICE(MARVELL, 0x2a30), .driver_data = 8687, },
@@ -138,7 +133,6 @@ struct mwl8k_priv {
 	struct ieee80211_hw *hw;
 
 	struct pci_dev *pdev;
-	u8 name[16];
 
 	/* firmware files and meta data */
 	struct mwl8k_firmware fw;
@@ -353,14 +347,14 @@ static void mwl8k_release_firmware(struct mwl8k_priv *priv)
 
 /* Request fw image */
 static int mwl8k_request_fw(struct mwl8k_priv *priv,
-				const char *fname, struct firmware **fw)
+			    const char *fname, struct firmware **fw)
 {
 	/* release current image */
 	if (*fw != NULL)
 		mwl8k_release_fw(fw);
 
 	return request_firmware((const struct firmware **)fw,
-						fname, &priv->pdev->dev);
+				fname, &priv->pdev->dev);
 }
 
 static int mwl8k_request_firmware(struct mwl8k_priv *priv, u32 part_num)
@@ -375,9 +369,8 @@ static int mwl8k_request_firmware(struct mwl8k_priv *priv, u32 part_num)
 
 	rc = mwl8k_request_fw(priv, filename, &priv->fw.helper);
 	if (rc) {
-		printk(KERN_ERR
-			"%s Error requesting helper firmware file %s\n",
-			pci_name(priv->pdev), filename);
+		printk(KERN_ERR "%s: Error requesting helper firmware "
+		       "file %s\n", pci_name(priv->pdev), filename);
 		return rc;
 	}
 
@@ -386,8 +379,8 @@ static int mwl8k_request_firmware(struct mwl8k_priv *priv, u32 part_num)
 
 	rc = mwl8k_request_fw(priv, filename, &priv->fw.ucode);
 	if (rc) {
-		printk(KERN_ERR "%s Error requesting firmware file %s\n",
-					pci_name(priv->pdev), filename);
+		printk(KERN_ERR "%s: Error requesting firmware file %s\n",
+		       pci_name(priv->pdev), filename);
 		mwl8k_release_fw(&priv->fw.helper);
 		return rc;
 	}
@@ -542,32 +535,38 @@ static int mwl8k_feed_fw_image(struct mwl8k_priv *priv,
 	return rc;
 }
 
-static int mwl8k_load_firmware(struct mwl8k_priv *priv)
+static int mwl8k_load_firmware(struct ieee80211_hw *hw)
 {
-	int loops, rc;
+	struct mwl8k_priv *priv = hw->priv;
+	struct firmware *fw = priv->fw.ucode;
+	int rc;
+	int loops;
+
+	if (!memcmp(fw->data, "\x01\x00\x00\x00", 4)) {
+		struct firmware *helper = priv->fw.helper;
 
-	const u8 *ucode = priv->fw.ucode->data;
-	size_t ucode_len = priv->fw.ucode->size;
-	const u8 *helper = priv->fw.helper->data;
-	size_t helper_len = priv->fw.helper->size;
+		if (helper == NULL) {
+			printk(KERN_ERR "%s: helper image needed but none "
+			       "given\n", pci_name(priv->pdev));
+			return -EINVAL;
+		}
 
-	if (!memcmp(ucode, "\x01\x00\x00\x00", 4)) {
-		rc = mwl8k_load_fw_image(priv, helper, helper_len);
+		rc = mwl8k_load_fw_image(priv, helper->data, helper->size);
 		if (rc) {
 			printk(KERN_ERR "%s: unable to load firmware "
-				"helper image\n", pci_name(priv->pdev));
+			       "helper image\n", pci_name(priv->pdev));
 			return rc;
 		}
 		msleep(1);
 
-		rc = mwl8k_feed_fw_image(priv, ucode, ucode_len);
+		rc = mwl8k_feed_fw_image(priv, fw->data, fw->size);
 	} else {
-		rc = mwl8k_load_fw_image(priv, ucode, ucode_len);
+		rc = mwl8k_load_fw_image(priv, fw->data, fw->size);
 	}
 
 	if (rc) {
-		printk(KERN_ERR "%s: unable to load firmware data\n",
-			pci_name(priv->pdev));
+		printk(KERN_ERR "%s: unable to load firmware image\n",
+		       pci_name(priv->pdev));
 		return rc;
 	}
 
@@ -772,7 +771,7 @@ static int mwl8k_rxq_init(struct ieee80211_hw *hw, int index)
 		pci_alloc_consistent(priv->pdev, size, &rxq->rx_desc_dma);
 	if (rxq->rx_desc_area == NULL) {
 		printk(KERN_ERR "%s: failed to alloc RX descriptors\n",
-		       priv->name);
+		       wiphy_name(hw->wiphy));
 		return -ENOMEM;
 	}
 	memset(rxq->rx_desc_area, 0, size);
@@ -781,7 +780,7 @@ static int mwl8k_rxq_init(struct ieee80211_hw *hw, int index)
 				sizeof(*rxq->rx_skb), GFP_KERNEL);
 	if (rxq->rx_skb == NULL) {
 		printk(KERN_ERR "%s: failed to alloc RX skbuff list\n",
-			priv->name);
+		       wiphy_name(hw->wiphy));
 		pci_free_consistent(priv->pdev, size,
 				    rxq->rx_desc_area, rxq->rx_desc_dma);
 		return -ENOMEM;
@@ -934,9 +933,9 @@ static int rxq_process(struct ieee80211_hw *hw, int index, int limit)
 		wh = (struct ieee80211_hdr *)skb->data;
 
 		/*
-		 * Check for pending join operation. save a copy of
-		 * the beacon and schedule a tasklet to send finalize
-		 * join command to the firmware.
+		 * Check for a pending join operation.  Save a
+		 * copy of the beacon and schedule a tasklet to
+		 * send a FINALIZE_JOIN command to the firmware.
 		 */
 		if (mwl8k_capture_bssid(priv, wh))
 			mwl8k_save_beacon(priv, skb);
@@ -1024,7 +1023,7 @@ static int mwl8k_txq_init(struct ieee80211_hw *hw, int index)
 		pci_alloc_consistent(priv->pdev, size, &txq->tx_desc_dma);
 	if (txq->tx_desc_area == NULL) {
 		printk(KERN_ERR "%s: failed to alloc TX descriptors\n",
-		       priv->name);
+		       wiphy_name(hw->wiphy));
 		return -ENOMEM;
 	}
 	memset(txq->tx_desc_area, 0, size);
@@ -1033,7 +1032,7 @@ static int mwl8k_txq_init(struct ieee80211_hw *hw, int index)
 								GFP_KERNEL);
 	if (txq->tx_skb == NULL) {
 		printk(KERN_ERR "%s: failed to alloc TX skbuff list\n",
-		       priv->name);
+		       wiphy_name(hw->wiphy));
 		pci_free_consistent(priv->pdev, size,
 				    txq->tx_desc_area, txq->tx_desc_dma);
 		return -ENOMEM;
@@ -1154,8 +1153,8 @@ static int mwl8k_tx_wait_empty(struct ieee80211_hw *hw)
 
 		mwl8k_scan_tx_ring(priv, txinfo);
 		for (index = 0; index < MWL8K_TX_QUEUES; index++)
-			printk(KERN_ERR
-				"TXQ:%u L:%u H:%u T:%u FW:%u DRV:%u U:%u\n",
+			printk(KERN_ERR "TXQ:%u L:%u H:%u T:%u FW:%u "
+			       "DRV:%u U:%u\n",
 					index,
 					txinfo[index].len,
 					txinfo[index].head,
@@ -1317,7 +1316,7 @@ mwl8k_txq_xmit(struct ieee80211_hw *hw, int index, struct sk_buff *skb)
 
 	if (pci_dma_mapping_error(priv->pdev, dma)) {
 		printk(KERN_DEBUG "%s: failed to dma map skb, "
-			"dropping TX frame.\n", priv->name);
+		       "dropping TX frame.\n", wiphy_name(hw->wiphy));
 		dev_kfree_skb(skb);
 		return NETDEV_TX_OK;
 	}
@@ -1431,7 +1430,7 @@ static int mwl8k_post_cmd(struct ieee80211_hw *hw, struct mwl8k_cmd_pkt *cmd)
 	unsigned long timeout = 0;
 	u8 buf[32];
 
-	cmd->result = 0xFFFF;
+	cmd->result = 0xffff;
 	dma_size = le16_to_cpu(cmd->length);
 	dma_addr = pci_map_single(priv->pdev, cmd, dma_size,
 				  PCI_DMA_BIDIRECTIONAL);
@@ -1464,7 +1463,7 @@ static int mwl8k_post_cmd(struct ieee80211_hw *hw, struct mwl8k_cmd_pkt *cmd)
 
 	if (!timeout) {
 		printk(KERN_ERR "%s: Command %s timeout after %u ms\n",
-		       priv->name,
+		       wiphy_name(hw->wiphy),
 		       mwl8k_cmd_name(cmd->code, buf, sizeof(buf)),
 		       MWL8K_CMD_TIMEOUT_MS);
 		rc = -ETIMEDOUT;
@@ -1472,7 +1471,7 @@ static int mwl8k_post_cmd(struct ieee80211_hw *hw, struct mwl8k_cmd_pkt *cmd)
 		rc = cmd->result ? -EINVAL : 0;
 		if (rc)
 			printk(KERN_ERR "%s: Command %s error 0x%x\n",
-			       priv->name,
+			       wiphy_name(hw->wiphy),
 			       mwl8k_cmd_name(cmd->code, buf, sizeof(buf)),
 			       le16_to_cpu(cmd->result));
 	}
@@ -2091,8 +2090,8 @@ static int mwl8k_finalize_join(struct ieee80211_hw *hw, void *frame,
 	/* XXX TBD Might just have to abort and return an error */
 	if (payload_len > MWL8K_FJ_BEACON_MAXLEN)
 		printk(KERN_ERR "%s(): WARNING: Incomplete beacon "
-			"sent to firmware. Sz=%u MAX=%u\n", __func__,
-			payload_len, MWL8K_FJ_BEACON_MAXLEN);
+		       "sent to firmware. Sz=%u MAX=%u\n", __func__,
+		       payload_len, MWL8K_FJ_BEACON_MAXLEN);
 
 	if (payload_len > MWL8K_FJ_BEACON_MAXLEN)
 		payload_len = MWL8K_FJ_BEACON_MAXLEN;
@@ -2339,9 +2338,10 @@ static int mwl8k_cmd_use_fixed_rate(struct ieee80211_hw *hw,
 	cmd->rate_type = cpu_to_le32(rate_type);
 
 	if (rate_table != NULL) {
-		/* Copy over each field manually so
-		* that bitflipping can be done
-		*/
+		/*
+		 * Copy over each field manually so that endian
+		 * conversion can be done.
+		 */
 		cmd->rate_table.allow_rate_drop =
 				cpu_to_le32(rate_table->allow_rate_drop);
 		cmd->rate_table.num_rates =
@@ -2416,7 +2416,7 @@ static int mwl8k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
 
 	if (priv->current_channel == NULL) {
 		printk(KERN_DEBUG "%s: dropped TX frame since radio "
-		       "disabled\n", priv->name);
+		       "disabled\n", wiphy_name(hw->wiphy));
 		dev_kfree_skb(skb);
 		return NETDEV_TX_OK;
 	}
@@ -2435,7 +2435,7 @@ static int mwl8k_start(struct ieee80211_hw *hw)
 			 IRQF_SHARED, MWL8K_NAME, hw);
 	if (rc) {
 		printk(KERN_ERR "%s: failed to register IRQ handler\n",
-		       priv->name);
+		       wiphy_name(hw->wiphy));
 		return -EIO;
 	}
 
@@ -2862,14 +2862,14 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
 	priv->pdev = pdev;
 	priv->wmm_enabled = false;
 	priv->pending_tx_pkts = 0;
-	strncpy(priv->name, MWL8K_NAME, sizeof(priv->name));
 
 	SET_IEEE80211_DEV(hw, &pdev->dev);
 	pci_set_drvdata(pdev, hw);
 
 	priv->regs = pci_iomap(pdev, 1, 0x10000);
 	if (priv->regs == NULL) {
-		printk(KERN_ERR "%s: Cannot map device memory\n", priv->name);
+		printk(KERN_ERR "%s: Cannot map device memory\n",
+		       wiphy_name(hw->wiphy));
 		goto err_iounmap;
 	}
 
@@ -2952,7 +2952,7 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
 			 IRQF_SHARED, MWL8K_NAME, hw);
 	if (rc) {
 		printk(KERN_ERR "%s: failed to register IRQ handler\n",
-		       priv->name);
+		       wiphy_name(hw->wiphy));
 		goto err_free_queues;
 	}
 
@@ -2962,14 +2962,16 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
 	/* Ask userland hotplug daemon for the device firmware */
 	rc = mwl8k_request_firmware(priv, (u32)id->driver_data);
 	if (rc) {
-		printk(KERN_ERR "%s: Firmware files not found\n", priv->name);
+		printk(KERN_ERR "%s: Firmware files not found\n",
+		       wiphy_name(hw->wiphy));
 		goto err_free_irq;
 	}
 
 	/* Load firmware into hardware */
-	rc = mwl8k_load_firmware(priv);
+	rc = mwl8k_load_firmware(hw);
 	if (rc) {
-		printk(KERN_ERR "%s: Cannot start firmware\n", priv->name);
+		printk(KERN_ERR "%s: Cannot start firmware\n",
+		       wiphy_name(hw->wiphy));
 		goto err_stop_firmware;
 	}
 
@@ -2986,14 +2988,15 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
 	/* Get config data, mac addrs etc */
 	rc = mwl8k_cmd_get_hw_spec(hw);
 	if (rc) {
-		printk(KERN_ERR "%s: Cannot initialise firmware\n", priv->name);
+		printk(KERN_ERR "%s: Cannot initialise firmware\n",
+		       wiphy_name(hw->wiphy));
 		goto err_stop_firmware;
 	}
 
 	/* Turn radio off */
 	rc = mwl8k_cmd_802_11_radio_disable(hw);
 	if (rc) {
-		printk(KERN_ERR "%s: Cannot disable\n", priv->name);
+		printk(KERN_ERR "%s: Cannot disable\n", wiphy_name(hw->wiphy));
 		goto err_stop_firmware;
 	}
 
@@ -3003,7 +3006,8 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
 
 	rc = ieee80211_register_hw(hw);
 	if (rc) {
-		printk(KERN_ERR "%s: Cannot register device\n", priv->name);
+		printk(KERN_ERR "%s: Cannot register device\n",
+		       wiphy_name(hw->wiphy));
 		goto err_stop_firmware;
 	}
 
@@ -3086,8 +3090,7 @@ static void __devexit mwl8k_remove(struct pci_dev *pdev)
 
 	mwl8k_rxq_deinit(hw, 0);
 
-	pci_free_consistent(priv->pdev, 4,
-				priv->cookie, priv->cookie_dma);
+	pci_free_consistent(priv->pdev, 4, priv->cookie, priv->cookie_dma);
 
 	pci_iounmap(pdev, priv->regs);
 	pci_set_drvdata(pdev, NULL);
@@ -3116,3 +3119,8 @@ static void __exit mwl8k_exit(void)
 
 module_init(mwl8k_init);
 module_exit(mwl8k_exit);
+
+MODULE_DESCRIPTION(MWL8K_DESC);
+MODULE_VERSION(MWL8K_VERSION);
+MODULE_AUTHOR("Lennert Buytenhek <buytenh@marvell.com>");
+MODULE_LICENSE("GPL");
-- 
GitLab


From 88de754ad59025eba797e7a8375807755577f450 Mon Sep 17 00:00:00 2001
From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Thu, 22 Oct 2009 20:19:37 +0200
Subject: [PATCH 0889/1815] mwl8k: minor transmit quiescing rework

Minor changes to the transmit quiescing logic:
- Clarify the locking rules for ->tx_wait: only the holder of fw_mutex
  can wait for the TX path to become idle, but tx_wait itself is read
  and cleared by the TX reclaim tasklet under tx_lock.
- Inline mwl8k_txq_busy() in its callers.
- There's no need to kick the transmitter again in
  mwl8k_tx_wait_empty(), since it will have been kicked when the
  packets currently in the TX ring were added to it.
- If the TX ring didn't drain in time, run mwl8k_scan_tx_ring() after
  reading priv->pending_pkts without dropping tx_lock in between.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwl8k.c | 37 +++++++++++++++---------------------
 1 file changed, 15 insertions(+), 22 deletions(-)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 252ef9c8336..ba7b8efea77 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -142,12 +142,14 @@ struct mwl8k_priv {
 	struct mutex fw_mutex;
 	struct task_struct *fw_mutex_owner;
 	int fw_mutex_depth;
-	struct completion *tx_wait;
 	struct completion *hostcmd_wait;
 
 	/* lock held over TX and TX reap */
 	spinlock_t tx_lock;
 
+	/* TX quiesce completion, protected by fw_mutex and tx_lock */
+	struct completion *tx_wait;
+
 	struct ieee80211_vif *vif;
 
 	struct ieee80211_channel *current_channel;
@@ -1064,11 +1066,6 @@ static inline void mwl8k_tx_start(struct mwl8k_priv *priv)
 	ioread32(priv->regs + MWL8K_HIU_INT_CODE);
 }
 
-static inline int mwl8k_txq_busy(struct mwl8k_priv *priv)
-{
-	return priv->pending_tx_pkts;
-}
-
 struct mwl8k_txq_info {
 	u32 fw_owned;
 	u32 drv_owned;
@@ -1088,7 +1085,6 @@ static int mwl8k_scan_tx_ring(struct mwl8k_priv *priv,
 
 	memset(txinfo, 0, MWL8K_TX_QUEUES * sizeof(struct mwl8k_txq_info));
 
-	spin_lock_bh(&priv->tx_lock);
 	for (count = 0; count < MWL8K_TX_QUEUES; count++) {
 		txq = priv->txq + count;
 		txinfo[count].len = txq->tx_stats.len;
@@ -1107,30 +1103,26 @@ static int mwl8k_scan_tx_ring(struct mwl8k_priv *priv,
 				txinfo[count].unused++;
 		}
 	}
-	spin_unlock_bh(&priv->tx_lock);
 
 	return ndescs;
 }
 
 /*
- * Must be called with hw->fw_mutex held and tx queues stopped.
+ * Must be called with priv->fw_mutex held and tx queues stopped.
  */
 static int mwl8k_tx_wait_empty(struct ieee80211_hw *hw)
 {
 	struct mwl8k_priv *priv = hw->priv;
-	DECLARE_COMPLETION_ONSTACK(cmd_wait);
+	DECLARE_COMPLETION_ONSTACK(tx_wait);
 	u32 count;
 	unsigned long timeout;
 
 	might_sleep();
 
 	spin_lock_bh(&priv->tx_lock);
-	count = mwl8k_txq_busy(priv);
-	if (count) {
-		priv->tx_wait = &cmd_wait;
-		if (priv->radio_on)
-			mwl8k_tx_start(priv);
-	}
+	count = priv->pending_tx_pkts;
+	if (count)
+		priv->tx_wait = &tx_wait;
 	spin_unlock_bh(&priv->tx_lock);
 
 	if (count) {
@@ -1138,20 +1130,20 @@ static int mwl8k_tx_wait_empty(struct ieee80211_hw *hw)
 		int index;
 		int newcount;
 
-		timeout = wait_for_completion_timeout(&cmd_wait,
+		timeout = wait_for_completion_timeout(&tx_wait,
 					msecs_to_jiffies(5000));
 		if (timeout)
 			return 0;
 
 		spin_lock_bh(&priv->tx_lock);
 		priv->tx_wait = NULL;
-		newcount = mwl8k_txq_busy(priv);
+		newcount = priv->pending_tx_pkts;
+		mwl8k_scan_tx_ring(priv, txinfo);
 		spin_unlock_bh(&priv->tx_lock);
 
 		printk(KERN_ERR "%s(%u) TIMEDOUT:5000ms Pend:%u-->%u\n",
 		       __func__, __LINE__, count, newcount);
 
-		mwl8k_scan_tx_ring(priv, txinfo);
 		for (index = 0; index < MWL8K_TX_QUEUES; index++)
 			printk(KERN_ERR "TXQ:%u L:%u H:%u T:%u FW:%u "
 			       "DRV:%u U:%u\n",
@@ -2397,7 +2389,7 @@ static irqreturn_t mwl8k_interrupt(int irq, void *dev_id)
 
 	if (status & MWL8K_A2H_INT_QUEUE_EMPTY) {
 		if (!mutex_is_locked(&priv->fw_mutex) &&
-		    priv->radio_on && mwl8k_txq_busy(priv))
+		    priv->radio_on && priv->pending_tx_pkts)
 			mwl8k_tx_start(priv);
 	}
 
@@ -2800,7 +2792,7 @@ static void mwl8k_tx_reclaim_handler(unsigned long data)
 	for (i = 0; i < MWL8K_TX_QUEUES; i++)
 		mwl8k_txq_reclaim(hw, i, 0);
 
-	if (priv->tx_wait != NULL && mwl8k_txq_busy(priv) == 0) {
+	if (priv->tx_wait != NULL && !priv->pending_tx_pkts) {
 		complete(priv->tx_wait);
 		priv->tx_wait = NULL;
 	}
@@ -2932,11 +2924,12 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
 	mutex_init(&priv->fw_mutex);
 	priv->fw_mutex_owner = NULL;
 	priv->fw_mutex_depth = 0;
-	priv->tx_wait = NULL;
 	priv->hostcmd_wait = NULL;
 
 	spin_lock_init(&priv->tx_lock);
 
+	priv->tx_wait = NULL;
+
 	for (i = 0; i < MWL8K_TX_QUEUES; i++) {
 		rc = mwl8k_txq_init(hw, i);
 		if (rc)
-- 
GitLab


From d5e308457e8e9b4988fbd69d38c30782125b3f65 Mon Sep 17 00:00:00 2001
From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Thu, 22 Oct 2009 20:19:41 +0200
Subject: [PATCH 0890/1815] mwl8k: fix multicast address filter programming

mwl8k's ->prepare_multicast() currently just enables reception of
all multicast packets, which is somewhat ineffective.

Fix this by either disabling all multicast RX, enabling multicast
RX according to the multicast address filter table, or enabling all
multicast RX, depending on whether ->prepare_multicast() was given
any multicast addresses and whether the hardware multicast address
filter table is large enough to fit all requested addresses.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwl8k.c | 40 ++++++++++++++++++++++++------------
 1 file changed, 27 insertions(+), 13 deletions(-)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index ba7b8efea77..0b4fa14aa17 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -1539,7 +1539,10 @@ struct mwl8k_cmd_mac_multicast_adr {
 	__u8 addr[0][ETH_ALEN];
 };
 
-#define MWL8K_ENABLE_RX_MULTICAST 0x000F
+#define MWL8K_ENABLE_RX_DIRECTED	0x0001
+#define MWL8K_ENABLE_RX_MULTICAST	0x0002
+#define MWL8K_ENABLE_RX_ALL_MULTICAST	0x0004
+#define MWL8K_ENABLE_RX_BROADCAST	0x0008
 
 static struct mwl8k_cmd_pkt *
 __mwl8k_cmd_mac_multicast_adr(struct ieee80211_hw *hw,
@@ -1547,11 +1550,14 @@ __mwl8k_cmd_mac_multicast_adr(struct ieee80211_hw *hw,
 {
 	struct mwl8k_priv *priv = hw->priv;
 	struct mwl8k_cmd_mac_multicast_adr *cmd;
+	int allmulti;
 	int size;
-	int i;
 
-	if (mc_count > priv->num_mcaddrs)
-		mc_count = priv->num_mcaddrs;
+	allmulti = 0;
+	if (mc_count > priv->num_mcaddrs) {
+		allmulti = 1;
+		mc_count = 0;
+	}
 
 	size = sizeof(*cmd) + mc_count * ETH_ALEN;
 
@@ -1561,16 +1567,24 @@ __mwl8k_cmd_mac_multicast_adr(struct ieee80211_hw *hw,
 
 	cmd->header.code = cpu_to_le16(MWL8K_CMD_MAC_MULTICAST_ADR);
 	cmd->header.length = cpu_to_le16(size);
-	cmd->action = cpu_to_le16(MWL8K_ENABLE_RX_MULTICAST);
-	cmd->numaddr = cpu_to_le16(mc_count);
-
-	for (i = 0; i < mc_count && mclist; i++) {
-		if (mclist->da_addrlen != ETH_ALEN) {
-			kfree(cmd);
-			return NULL;
+	cmd->action = cpu_to_le16(MWL8K_ENABLE_RX_DIRECTED |
+				  MWL8K_ENABLE_RX_BROADCAST);
+
+	if (allmulti) {
+		cmd->action |= cpu_to_le16(MWL8K_ENABLE_RX_ALL_MULTICAST);
+	} else if (mc_count) {
+		int i;
+
+		cmd->action |= cpu_to_le16(MWL8K_ENABLE_RX_MULTICAST);
+		cmd->numaddr = cpu_to_le16(mc_count);
+		for (i = 0; i < mc_count && mclist; i++) {
+			if (mclist->da_addrlen != ETH_ALEN) {
+				kfree(cmd);
+				return NULL;
+			}
+			memcpy(cmd->addr[i], mclist->da_addr, ETH_ALEN);
+			mclist = mclist->next;
 		}
-		memcpy(cmd->addr[i], mclist->da_addr, ETH_ALEN);
-		mclist = mclist->next;
 	}
 
 	return &cmd->header;
-- 
GitLab


From 3779752d764b86077375510b1fd13d8fb2c7c3a5 Mon Sep 17 00:00:00 2001
From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Thu, 22 Oct 2009 20:19:45 +0200
Subject: [PATCH 0891/1815] mwl8k: use the mac80211-provided workqueue instead
 of creating our own

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwl8k.c | 28 ++++++----------------------
 1 file changed, 6 insertions(+), 22 deletions(-)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 0b4fa14aa17..77985e9a13a 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -195,9 +195,6 @@ struct mwl8k_priv {
 
 	/* Tasklet to reclaim TX descriptors and buffers after tx */
 	struct tasklet_struct tx_reclaim_task;
-
-	/* Work thread to serialize configuration requests */
-	struct workqueue_struct *config_wq;
 };
 
 /* Per interface specific private data */
@@ -881,9 +878,11 @@ mwl8k_capture_bssid(struct mwl8k_priv *priv, struct ieee80211_hdr *wh)
 		!compare_ether_addr(wh->addr3, priv->capture_bssid);
 }
 
-static inline void mwl8k_save_beacon(struct mwl8k_priv *priv,
-							struct sk_buff *skb)
+static inline void mwl8k_save_beacon(struct ieee80211_hw *hw,
+				     struct sk_buff *skb)
 {
+	struct mwl8k_priv *priv = hw->priv;
+
 	priv->capture_beacon = false;
 	memset(priv->capture_bssid, 0, ETH_ALEN);
 
@@ -894,8 +893,7 @@ static inline void mwl8k_save_beacon(struct mwl8k_priv *priv,
 	 */
 	priv->beacon_skb = skb_copy(skb, GFP_ATOMIC);
 	if (priv->beacon_skb != NULL)
-		queue_work(priv->config_wq,
-				&priv->finalize_join_worker);
+		ieee80211_queue_work(hw, &priv->finalize_join_worker);
 }
 
 static int rxq_process(struct ieee80211_hw *hw, int index, int limit)
@@ -940,7 +938,7 @@ static int rxq_process(struct ieee80211_hw *hw, int index, int limit)
 		 * send a FINALIZE_JOIN command to the firmware.
 		 */
 		if (mwl8k_capture_bssid(priv, wh))
-			mwl8k_save_beacon(priv, skb);
+			mwl8k_save_beacon(hw, skb);
 
 		memset(&status, 0, sizeof(status));
 		status.mactime = 0;
@@ -2504,9 +2502,6 @@ static void mwl8k_stop(struct ieee80211_hw *hw)
 	/* Stop tx reclaim tasklet */
 	tasklet_disable(&priv->tx_reclaim_task);
 
-	/* Stop config thread */
-	flush_workqueue(priv->config_wq);
-
 	/* Return all skbs to mac80211 */
 	for (i = 0; i < MWL8K_TX_QUEUES; i++)
 		mwl8k_txq_reclaim(hw, i, 1);
@@ -2920,11 +2915,6 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
 			mwl8k_tx_reclaim_handler, (unsigned long)hw);
 	tasklet_disable(&priv->tx_reclaim_task);
 
-	/* Config workthread */
-	priv->config_wq = create_singlethread_workqueue("mwl8k_config");
-	if (priv->config_wq == NULL)
-		goto err_iounmap;
-
 	/* Power management cookie */
 	priv->cookie = pci_alloc_consistent(priv->pdev, 4, &priv->cookie_dma);
 	if (priv->cookie == NULL)
@@ -3047,9 +3037,6 @@ err_iounmap:
 	if (priv->regs != NULL)
 		pci_iounmap(pdev, priv->regs);
 
-	if (priv->config_wq != NULL)
-		destroy_workqueue(priv->config_wq);
-
 	pci_set_drvdata(pdev, NULL);
 	ieee80211_free_hw(hw);
 
@@ -3082,9 +3069,6 @@ static void __devexit mwl8k_remove(struct pci_dev *pdev)
 	/* Remove tx reclaim tasklet */
 	tasklet_kill(&priv->tx_reclaim_task);
 
-	/* Stop config thread */
-	destroy_workqueue(priv->config_wq);
-
 	/* Stop hardware */
 	mwl8k_hw_reset(priv);
 
-- 
GitLab


From 447ced07d04525218ae586cd70b759b48bcb1fc8 Mon Sep 17 00:00:00 2001
From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Thu, 22 Oct 2009 20:19:50 +0200
Subject: [PATCH 0892/1815] mwl8k: implement FIF_ALLMULTI

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwl8k.c | 39 ++++++++++++++++++++++++++----------
 1 file changed, 28 insertions(+), 11 deletions(-)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 77985e9a13a..cc58ecba211 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -1543,16 +1543,14 @@ struct mwl8k_cmd_mac_multicast_adr {
 #define MWL8K_ENABLE_RX_BROADCAST	0x0008
 
 static struct mwl8k_cmd_pkt *
-__mwl8k_cmd_mac_multicast_adr(struct ieee80211_hw *hw,
+__mwl8k_cmd_mac_multicast_adr(struct ieee80211_hw *hw, int allmulti,
 			      int mc_count, struct dev_addr_list *mclist)
 {
 	struct mwl8k_priv *priv = hw->priv;
 	struct mwl8k_cmd_mac_multicast_adr *cmd;
-	int allmulti;
 	int size;
 
-	allmulti = 0;
-	if (mc_count > priv->num_mcaddrs) {
+	if (allmulti || mc_count > priv->num_mcaddrs) {
 		allmulti = 1;
 		mc_count = 0;
 	}
@@ -2680,7 +2678,14 @@ static u64 mwl8k_prepare_multicast(struct ieee80211_hw *hw,
 {
 	struct mwl8k_cmd_pkt *cmd;
 
-	cmd = __mwl8k_cmd_mac_multicast_adr(hw, mc_count, mclist);
+	/*
+	 * Synthesize and return a command packet that programs the
+	 * hardware multicast address filter.  At this point we don't
+	 * know whether FIF_ALLMULTI is being requested, but if it is,
+	 * we'll end up throwing this packet away and creating a new
+	 * one in mwl8k_configure_filter().
+	 */
+	cmd = __mwl8k_cmd_mac_multicast_adr(hw, 0, mc_count, mclist);
 
 	return (unsigned long)cmd;
 }
@@ -2691,10 +2696,10 @@ static void mwl8k_configure_filter(struct ieee80211_hw *hw,
 				   u64 multicast)
 {
 	struct mwl8k_priv *priv = hw->priv;
-	struct mwl8k_cmd_pkt *multicast_adr_cmd;
+	struct mwl8k_cmd_pkt *cmd;
 
 	/* Clear unsupported feature flags */
-	*total_flags &= FIF_BCN_PRBRESP_PROMISC;
+	*total_flags &= FIF_ALLMULTI | FIF_BCN_PRBRESP_PROMISC;
 
 	if (mwl8k_fw_lock(hw))
 		return;
@@ -2713,10 +2718,22 @@ static void mwl8k_configure_filter(struct ieee80211_hw *hw,
 		}
 	}
 
-	multicast_adr_cmd = (void *)(unsigned long)multicast;
-	if (multicast_adr_cmd != NULL) {
-		mwl8k_post_cmd(hw, multicast_adr_cmd);
-		kfree(multicast_adr_cmd);
+	cmd = (void *)(unsigned long)multicast;
+
+	/*
+	 * If FIF_ALLMULTI is being requested, throw away the command
+	 * packet that ->prepare_multicast() built and replace it with
+	 * a command packet that enables reception of all multicast
+	 * packets.
+	 */
+	if (*total_flags & FIF_ALLMULTI) {
+		kfree(cmd);
+		cmd = __mwl8k_cmd_mac_multicast_adr(hw, 1, 0, NULL);
+	}
+
+	if (cmd != NULL) {
+		mwl8k_post_cmd(hw, cmd);
+		kfree(cmd);
 	}
 
 	mwl8k_fw_unlock(hw);
-- 
GitLab


From 77165d8809cda1a77bc8752148a6252d7735c12e Mon Sep 17 00:00:00 2001
From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Thu, 22 Oct 2009 20:19:53 +0200
Subject: [PATCH 0893/1815] mwl8k: enforce FIF_BCN_PRBRESP_PROMISC when no STA
 interfaces are active

When FIF_BCN_PRBRESP_PROMISC is not set, we enable the hardware's BSS
filter so that we'll only see packets destined for our BSS.  But if no
STA interfaces have been configured, we would end up passing the BSSID
00:00:00:00:00:00 into the POST_SCAN command, which actually disables
the hardware's BSS filter, as it's not a valid BSSID.

Fix this by passing in 01:00:00:00:00:00 instead (the criterion is
that the OUI part of the BSSID must be nonzero), and add comments to
explain what PRE_SCAN and POST_SCAN do.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwl8k.c | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index cc58ecba211..53447f6a0e5 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -2705,12 +2705,23 @@ static void mwl8k_configure_filter(struct ieee80211_hw *hw,
 		return;
 
 	if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
-		if (*total_flags & FIF_BCN_PRBRESP_PROMISC)
+		if (*total_flags & FIF_BCN_PRBRESP_PROMISC) {
+			/*
+			 * Disable the BSS filter.
+			 */
 			mwl8k_cmd_set_pre_scan(hw);
-		else {
+		} else {
 			u8 *bssid;
 
-			bssid = "\x00\x00\x00\x00\x00\x00";
+			/*
+			 * Enable the BSS filter.
+			 *
+			 * If there is an active STA interface, use that
+			 * interface's BSSID, otherwise use a dummy one
+			 * (where the OUI part needs to be nonzero for
+			 * the BSSID to be accepted by POST_SCAN).
+			 */
+			bssid = "\x01\x00\x00\x00\x00\x00";
 			if (priv->vif != NULL)
 				bssid = MWL8K_VIF(priv->vif)->bssid;
 
-- 
GitLab


From 32060e1b64f23fe315a35d2df8c2c7ad010df73e Mon Sep 17 00:00:00 2001
From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Thu, 22 Oct 2009 20:20:04 +0200
Subject: [PATCH 0894/1815] mwl8k: clear hardware MAC address if no STA
 interface configured

If there is no STA interface configured, clear the hardware MAC
address to prevent ACKing frames sent to our MAC address.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwl8k.c | 43 +++++++++++++++++++++++++++++++++++-
 1 file changed, 42 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 53447f6a0e5..fcf7139c77c 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -280,6 +280,7 @@ static const struct ieee80211_rate mwl8k_rates[] = {
 #define MWL8K_CMD_MIMO_CONFIG		0x0125
 #define MWL8K_CMD_USE_FIXED_RATE	0x0126
 #define MWL8K_CMD_ENABLE_SNIFFER	0x0150
+#define MWL8K_CMD_SET_MAC_ADDR		0x0202
 #define MWL8K_CMD_SET_RATEADAPT_MODE	0x0203
 #define MWL8K_CMD_UPDATE_STADB		0x1123
 
@@ -309,6 +310,7 @@ static const char *mwl8k_cmd_name(u16 cmd, char *buf, int bufsize)
 		MWL8K_CMDNAME(MIMO_CONFIG);
 		MWL8K_CMDNAME(USE_FIXED_RATE);
 		MWL8K_CMDNAME(ENABLE_SNIFFER);
+		MWL8K_CMDNAME(SET_MAC_ADDR);
 		MWL8K_CMDNAME(SET_RATEADAPT_MODE);
 		MWL8K_CMDNAME(UPDATE_STADB);
 	default:
@@ -1902,6 +1904,34 @@ static int mwl8k_enable_sniffer(struct ieee80211_hw *hw, bool enable)
 	return rc;
 }
 
+/*
+ * CMD_SET_MAC_ADDR.
+ */
+struct mwl8k_cmd_set_mac_addr {
+	struct mwl8k_cmd_pkt header;
+	__u8 mac_addr[ETH_ALEN];
+} __attribute__((packed));
+
+static int mwl8k_set_mac_addr(struct ieee80211_hw *hw, u8 *mac)
+{
+	struct mwl8k_cmd_set_mac_addr *cmd;
+	int rc;
+
+	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+	if (cmd == NULL)
+		return -ENOMEM;
+
+	cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_MAC_ADDR);
+	cmd->header.length = cpu_to_le16(sizeof(*cmd));
+	memcpy(cmd->mac_addr, mac, ETH_ALEN);
+
+	rc = mwl8k_post_cmd(hw, &cmd->header);
+	kfree(cmd);
+
+	return rc;
+}
+
+
 /*
  * CMD_SET_RATEADAPT_MODE.
  */
@@ -2527,7 +2557,8 @@ static int mwl8k_add_interface(struct ieee80211_hw *hw,
 	mwl8k_vif = MWL8K_VIF(conf->vif);
 	memset(mwl8k_vif, 0, sizeof(*mwl8k_vif));
 
-	/* Save the mac address */
+	/* Set and save the mac address */
+	mwl8k_set_mac_addr(hw, conf->mac_addr);
 	memcpy(mwl8k_vif->mac_addr, conf->mac_addr, ETH_ALEN);
 
 	/* Back pointer to parent config block */
@@ -2555,6 +2586,8 @@ static void mwl8k_remove_interface(struct ieee80211_hw *hw,
 	if (priv->vif == NULL)
 		return;
 
+	mwl8k_set_mac_addr(hw, "\x00\x00\x00\x00\x00\x00");
+
 	priv->vif = NULL;
 }
 
@@ -3025,6 +3058,14 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
 		goto err_stop_firmware;
 	}
 
+	/* Clear MAC address */
+	rc = mwl8k_set_mac_addr(hw, "\x00\x00\x00\x00\x00\x00");
+	if (rc) {
+		printk(KERN_ERR "%s: Cannot clear MAC address\n",
+		       wiphy_name(hw->wiphy));
+		goto err_stop_firmware;
+	}
+
 	/* Disable interrupts */
 	iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
 	free_irq(priv->pdev->irq, hw);
-- 
GitLab


From 3d76e82c9538d8104e578ca460d35f214bfddfd3 Mon Sep 17 00:00:00 2001
From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Thu, 22 Oct 2009 20:20:16 +0200
Subject: [PATCH 0895/1815] mwl8k: use cond_resched() when loading firmware
 blocks

Since each firmware block takes on the order of several hundred usec
to upload to the hardware, using msleep in the inner loop would make
the firmware loading process take a lot more time than just doing
busy-waiting like we do now.  But if we keep the busy-waiting, we can
at least add a cond_resched() to the inner loop so that we give other
tasks a chance to run while the firmware is being loaded.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwl8k.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index fcf7139c77c..496d3c5097d 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -12,6 +12,7 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
+#include <linux/sched.h>
 #include <linux/spinlock.h>
 #include <linux/list.h>
 #include <linux/pci.h>
@@ -428,6 +429,7 @@ mwl8k_send_fw_load_cmd(struct mwl8k_priv *priv, void *data, int length)
 			break;
 		}
 
+		cond_resched();
 		udelay(1);
 	} while (--loops);
 
-- 
GitLab


From 22995b2411d4c5bbd832a54c4ef6ad3e24a2a34b Mon Sep 17 00:00:00 2001
From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Thu, 22 Oct 2009 20:20:25 +0200
Subject: [PATCH 0896/1815] mwl8k: clarify WME transmit queue 0/1 swizzling

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwl8k.c | 26 ++++++--------------------
 1 file changed, 6 insertions(+), 20 deletions(-)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 496d3c5097d..76c9263f70a 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -84,12 +84,6 @@ MODULE_DEVICE_TABLE(pci, mwl8k_table);
 				 MWL8K_A2H_INT_RX_READY | \
 				 MWL8K_A2H_INT_TX_DONE)
 
-/* WME stream classes */
-#define WME_AC_BE	0		/* best effort */
-#define WME_AC_BK	1		/* background */
-#define WME_AC_VI	2		/* video */
-#define WME_AC_VO	3		/* voice */
-
 #define MWL8K_RX_QUEUES		1
 #define MWL8K_TX_QUEUES		4
 
@@ -968,24 +962,10 @@ static int rxq_process(struct ieee80211_hw *hw, int index, int limit)
  * Packet transmission.
  */
 
-/* Transmit queue assignment.  */
-enum {
-	MWL8K_WME_AC_BK	= 0,		/* background access */
-	MWL8K_WME_AC_BE	= 1,		/* best effort access */
-	MWL8K_WME_AC_VI	= 2,		/* video access */
-	MWL8K_WME_AC_VO	= 3,		/* voice access */
-};
-
 /* Transmit packet ACK policy */
 #define MWL8K_TXD_ACK_POLICY_NORMAL		0
 #define MWL8K_TXD_ACK_POLICY_BLOCKACK		3
 
-#define GET_TXQ(_ac) (\
-		((_ac) == WME_AC_VO) ? MWL8K_WME_AC_VO : \
-		((_ac) == WME_AC_VI) ? MWL8K_WME_AC_VI : \
-		((_ac) == WME_AC_BK) ? MWL8K_WME_AC_BK : \
-		MWL8K_WME_AC_BE)
-
 #define MWL8K_TXD_STATUS_OK			0x00000001
 #define MWL8K_TXD_STATUS_OK_RETRY		0x00000002
 #define MWL8K_TXD_STATUS_OK_MORE_RETRY		0x00000004
@@ -2069,6 +2049,12 @@ mwl8k_set_edca_params(struct ieee80211_hw *hw, __u8 qnum,
 	if (cmd == NULL)
 		return -ENOMEM;
 
+	/*
+	 * Queues 0 (BE) and 1 (BK) are swapped in hardware for
+	 * this call.
+	 */
+	qnum ^= !(qnum >> 1);
+
 	cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_EDCA_PARAMS);
 	cmd->header.length = cpu_to_le16(sizeof(*cmd));
 	cmd->action = cpu_to_le16(MWL8K_SET_EDCA_ALL);
-- 
GitLab


From 5dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0 Mon Sep 17 00:00:00 2001
From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Thu, 22 Oct 2009 20:20:29 +0200
Subject: [PATCH 0897/1815] mwl8k: report rate and other information for
 received frames

When receiving a frame, report the antenna info, long/short preamble
status, 20/40 MHz flag, long/short guard interval status, MCS/legacy
rate status, and MCS/legacy rate index to the stack.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwl8k.c | 31 +++++++++++++++++++++++++------
 1 file changed, 25 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 76c9263f70a..75c9261abad 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -169,7 +169,7 @@ struct mwl8k_priv {
 	/* PHY parameters */
 	struct ieee80211_supported_band band;
 	struct ieee80211_channel channels[14];
-	struct ieee80211_rate rates[12];
+	struct ieee80211_rate rates[13];
 
 	bool radio_on;
 	bool radio_short_preamble;
@@ -208,7 +208,7 @@ struct mwl8k_vif {
 	 * Subset of supported legacy rates.
 	 * Intersection of AP and STA supported rates.
 	 */
-	struct ieee80211_rate legacy_rates[12];
+	struct ieee80211_rate legacy_rates[13];
 
 	/* number of supported legacy rates */
 	u8	legacy_nrates;
@@ -240,9 +240,10 @@ static const struct ieee80211_rate mwl8k_rates[] = {
 	{ .bitrate = 10, .hw_value = 2, },
 	{ .bitrate = 20, .hw_value = 4, },
 	{ .bitrate = 55, .hw_value = 11, },
+	{ .bitrate = 110, .hw_value = 22, },
+	{ .bitrate = 220, .hw_value = 44, },
 	{ .bitrate = 60, .hw_value = 12, },
 	{ .bitrate = 90, .hw_value = 18, },
-	{ .bitrate = 110, .hw_value = 22, },
 	{ .bitrate = 120, .hw_value = 24, },
 	{ .bitrate = 180, .hw_value = 36, },
 	{ .bitrate = 240, .hw_value = 48, },
@@ -601,7 +602,7 @@ struct ewc_ht_info {
 /* Peer Entry flags - used to define the type of the peer node */
 #define MWL8K_PEER_TYPE_ACCESSPOINT	2
 
-#define MWL8K_IEEE_LEGACY_DATA_RATES	12
+#define MWL8K_IEEE_LEGACY_DATA_RATES	13
 #define MWL8K_MCS_BITMAP_SIZE		16
 
 struct peer_capability_info {
@@ -751,6 +752,13 @@ struct mwl8k_rx_desc {
 #define MWL8K_RX_DESCS		256
 #define MWL8K_RX_MAXSZ		3800
 
+#define RATE_INFO_SHORTPRE		0x8000
+#define RATE_INFO_ANTSELECT(x)		(((x) >> 11) & 0x3)
+#define RATE_INFO_RATEID(x)		(((x) >> 3) & 0x3f)
+#define RATE_INFO_40MHZ			0x0004
+#define RATE_INFO_SHORTGI		0x0002
+#define RATE_INFO_MCS_FORMAT		0x0001
+
 static int mwl8k_rxq_init(struct ieee80211_hw *hw, int index)
 {
 	struct mwl8k_priv *priv = hw->priv;
@@ -907,6 +915,7 @@ static int rxq_process(struct ieee80211_hw *hw, int index, int limit)
 		struct ieee80211_rx_status status;
 		unsigned long addr;
 		struct ieee80211_hdr *wh;
+		u16 rate_info;
 
 		rx_desc = rxq->rx_desc_area + rxq->rx_head;
 		if (!(rx_desc->rx_ctrl & MWL8K_RX_CTRL_OWNED_BY_HOST))
@@ -938,14 +947,24 @@ static int rxq_process(struct ieee80211_hw *hw, int index, int limit)
 		if (mwl8k_capture_bssid(priv, wh))
 			mwl8k_save_beacon(hw, skb);
 
+		rate_info = le16_to_cpu(rx_desc->rate_info);
+
 		memset(&status, 0, sizeof(status));
 		status.mactime = 0;
 		status.signal = -rx_desc->rssi;
 		status.noise = -rx_desc->noise_level;
 		status.qual = rx_desc->link_quality;
-		status.antenna = 1;
-		status.rate_idx = 1;
+		status.antenna = RATE_INFO_ANTSELECT(rate_info);
+		status.rate_idx = RATE_INFO_RATEID(rate_info);
 		status.flag = 0;
+		if (rate_info & RATE_INFO_SHORTPRE)
+			status.flag |= RX_FLAG_SHORTPRE;
+		if (rate_info & RATE_INFO_40MHZ)
+			status.flag |= RX_FLAG_40MHZ;
+		if (rate_info & RATE_INFO_SHORTGI)
+			status.flag |= RX_FLAG_SHORT_GI;
+		if (rate_info & RATE_INFO_MCS_FORMAT)
+			status.flag |= RX_FLAG_HT;
 		status.band = IEEE80211_BAND_2GHZ;
 		status.freq = ieee80211_channel_to_frequency(rx_desc->channel);
 		memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status));
-- 
GitLab


From a43c49a817f31ce1accc029239827b108319ecf9 Mon Sep 17 00:00:00 2001
From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Thu, 22 Oct 2009 20:20:32 +0200
Subject: [PATCH 0898/1815] mwl8k: add support for enabling hardware sniffer
 mode

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwl8k.c | 66 ++++++++++++++++++++++++++++++++++--
 1 file changed, 63 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 75c9261abad..94cbf93a8bf 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -173,6 +173,7 @@ struct mwl8k_priv {
 
 	bool radio_on;
 	bool radio_short_preamble;
+	bool sniffer_enabled;
 	bool wmm_enabled;
 
 	/* XXX need to convert this to handle multiple interfaces */
@@ -2560,6 +2561,18 @@ static int mwl8k_add_interface(struct ieee80211_hw *hw,
 	if (conf->type != NL80211_IFTYPE_STATION)
 		return -EINVAL;
 
+	/*
+	 * Reject interface creation if sniffer mode is active, as
+	 * STA operation is mutually exclusive with hardware sniffer
+	 * mode.
+	 */
+	if (priv->sniffer_enabled) {
+		printk(KERN_INFO "%s: unable to create STA "
+		       "interface due to sniffer mode being enabled\n",
+		       wiphy_name(hw->wiphy));
+		return -EINVAL;
+	}
+
 	/* Clean out driver private area */
 	mwl8k_vif = MWL8K_VIF(conf->vif);
 	memset(mwl8k_vif, 0, sizeof(*mwl8k_vif));
@@ -2730,13 +2743,56 @@ static u64 mwl8k_prepare_multicast(struct ieee80211_hw *hw,
 	return (unsigned long)cmd;
 }
 
+static int
+mwl8k_configure_filter_sniffer(struct ieee80211_hw *hw,
+			       unsigned int changed_flags,
+			       unsigned int *total_flags)
+{
+	struct mwl8k_priv *priv = hw->priv;
+
+	/*
+	 * Hardware sniffer mode is mutually exclusive with STA
+	 * operation, so refuse to enable sniffer mode if a STA
+	 * interface is active.
+	 */
+	if (priv->vif != NULL) {
+		if (net_ratelimit())
+			printk(KERN_INFO "%s: not enabling sniffer "
+			       "mode because STA interface is active\n",
+			       wiphy_name(hw->wiphy));
+		return 0;
+	}
+
+	if (!priv->sniffer_enabled) {
+		if (mwl8k_enable_sniffer(hw, 1))
+			return 0;
+		priv->sniffer_enabled = true;
+	}
+
+	*total_flags &=	FIF_PROMISC_IN_BSS | FIF_ALLMULTI |
+			FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL |
+			FIF_OTHER_BSS;
+
+	return 1;
+}
+
 static void mwl8k_configure_filter(struct ieee80211_hw *hw,
 				   unsigned int changed_flags,
 				   unsigned int *total_flags,
 				   u64 multicast)
 {
 	struct mwl8k_priv *priv = hw->priv;
-	struct mwl8k_cmd_pkt *cmd;
+	struct mwl8k_cmd_pkt *cmd = (void *)(unsigned long)multicast;
+
+	/*
+	 * Enable hardware sniffer mode if FIF_CONTROL or
+	 * FIF_OTHER_BSS is requested.
+	 */
+	if (*total_flags & (FIF_CONTROL | FIF_OTHER_BSS) &&
+	    mwl8k_configure_filter_sniffer(hw, changed_flags, total_flags)) {
+		kfree(cmd);
+		return;
+	}
 
 	/* Clear unsupported feature flags */
 	*total_flags &= FIF_ALLMULTI | FIF_BCN_PRBRESP_PROMISC;
@@ -2744,6 +2800,11 @@ static void mwl8k_configure_filter(struct ieee80211_hw *hw,
 	if (mwl8k_fw_lock(hw))
 		return;
 
+	if (priv->sniffer_enabled) {
+		mwl8k_enable_sniffer(hw, 0);
+		priv->sniffer_enabled = false;
+	}
+
 	if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
 		if (*total_flags & FIF_BCN_PRBRESP_PROMISC) {
 			/*
@@ -2769,8 +2830,6 @@ static void mwl8k_configure_filter(struct ieee80211_hw *hw,
 		}
 	}
 
-	cmd = (void *)(unsigned long)multicast;
-
 	/*
 	 * If FIF_ALLMULTI is being requested, throw away the command
 	 * packet that ->prepare_multicast() built and replace it with
@@ -2929,6 +2988,7 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
 	priv = hw->priv;
 	priv->hw = hw;
 	priv->pdev = pdev;
+	priv->sniffer_enabled = false;
 	priv->wmm_enabled = false;
 	priv->pending_tx_pkts = 0;
 
-- 
GitLab


From 45eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691 Mon Sep 17 00:00:00 2001
From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Thu, 22 Oct 2009 20:20:40 +0200
Subject: [PATCH 0899/1815] mwl8k: shorten receive/transmit state variable
 names

To conserve horizontal space.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwl8k.c | 194 +++++++++++++++++------------------
 1 file changed, 93 insertions(+), 101 deletions(-)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 94cbf93a8bf..80df2ebbd60 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -88,30 +88,30 @@ MODULE_DEVICE_TABLE(pci, mwl8k_table);
 #define MWL8K_TX_QUEUES		4
 
 struct mwl8k_rx_queue {
-	int rx_desc_count;
+	int rxd_count;
 
 	/* hw receives here */
-	int rx_head;
+	int head;
 
 	/* refill descs here */
-	int rx_tail;
+	int tail;
 
-	struct mwl8k_rx_desc *rx_desc_area;
-	dma_addr_t rx_desc_dma;
-	struct sk_buff **rx_skb;
+	struct mwl8k_rx_desc *rxd;
+	dma_addr_t rxd_dma;
+	struct sk_buff **skb;
 };
 
 struct mwl8k_tx_queue {
 	/* hw transmits here */
-	int tx_head;
+	int head;
 
 	/* sw appends here */
-	int tx_tail;
+	int tail;
 
-	struct ieee80211_tx_queue_stats tx_stats;
-	struct mwl8k_tx_desc *tx_desc_area;
-	dma_addr_t tx_desc_dma;
-	struct sk_buff **tx_skb;
+	struct ieee80211_tx_queue_stats stats;
+	struct mwl8k_tx_desc *txd;
+	dma_addr_t txd_dma;
+	struct sk_buff **skb;
 };
 
 /* Pointers to the firmware data and meta information about it.  */
@@ -738,7 +738,7 @@ struct mwl8k_rx_desc {
 	__u8 link_quality;
 	__u8 noise_level;
 	__le32 pkt_phys_addr;
-	__le32 next_rx_desc_phys_addr;
+	__le32 next_rxd_phys_addr;
 	__le16 qos_control;
 	__le16 rate_info;
 	__le32 pad0[4];
@@ -767,42 +767,38 @@ static int mwl8k_rxq_init(struct ieee80211_hw *hw, int index)
 	int size;
 	int i;
 
-	rxq->rx_desc_count = 0;
-	rxq->rx_head = 0;
-	rxq->rx_tail = 0;
+	rxq->rxd_count = 0;
+	rxq->head = 0;
+	rxq->tail = 0;
 
 	size = MWL8K_RX_DESCS * sizeof(struct mwl8k_rx_desc);
 
-	rxq->rx_desc_area =
-		pci_alloc_consistent(priv->pdev, size, &rxq->rx_desc_dma);
-	if (rxq->rx_desc_area == NULL) {
+	rxq->rxd = pci_alloc_consistent(priv->pdev, size, &rxq->rxd_dma);
+	if (rxq->rxd == NULL) {
 		printk(KERN_ERR "%s: failed to alloc RX descriptors\n",
 		       wiphy_name(hw->wiphy));
 		return -ENOMEM;
 	}
-	memset(rxq->rx_desc_area, 0, size);
+	memset(rxq->rxd, 0, size);
 
-	rxq->rx_skb = kmalloc(MWL8K_RX_DESCS *
-				sizeof(*rxq->rx_skb), GFP_KERNEL);
-	if (rxq->rx_skb == NULL) {
+	rxq->skb = kmalloc(MWL8K_RX_DESCS * sizeof(*rxq->skb), GFP_KERNEL);
+	if (rxq->skb == NULL) {
 		printk(KERN_ERR "%s: failed to alloc RX skbuff list\n",
 		       wiphy_name(hw->wiphy));
-		pci_free_consistent(priv->pdev, size,
-				    rxq->rx_desc_area, rxq->rx_desc_dma);
+		pci_free_consistent(priv->pdev, size, rxq->rxd, rxq->rxd_dma);
 		return -ENOMEM;
 	}
-	memset(rxq->rx_skb, 0, MWL8K_RX_DESCS * sizeof(*rxq->rx_skb));
+	memset(rxq->skb, 0, MWL8K_RX_DESCS * sizeof(*rxq->skb));
 
 	for (i = 0; i < MWL8K_RX_DESCS; i++) {
 		struct mwl8k_rx_desc *rx_desc;
 		int nexti;
 
-		rx_desc = rxq->rx_desc_area + i;
+		rx_desc = rxq->rxd + i;
 		nexti = (i + 1) % MWL8K_RX_DESCS;
 
-		rx_desc->next_rx_desc_phys_addr =
-			cpu_to_le32(rxq->rx_desc_dma
-						+ nexti * sizeof(*rx_desc));
+		rx_desc->next_rxd_phys_addr =
+			cpu_to_le32(rxq->rxd_dma + nexti * sizeof(*rx_desc));
 		rx_desc->rx_ctrl = MWL8K_RX_CTRL_OWNED_BY_HOST;
 	}
 
@@ -816,7 +812,7 @@ static int rxq_refill(struct ieee80211_hw *hw, int index, int limit)
 	int refilled;
 
 	refilled = 0;
-	while (rxq->rx_desc_count < MWL8K_RX_DESCS && limit--) {
+	while (rxq->rxd_count < MWL8K_RX_DESCS && limit--) {
 		struct sk_buff *skb;
 		int rx;
 
@@ -824,19 +820,19 @@ static int rxq_refill(struct ieee80211_hw *hw, int index, int limit)
 		if (skb == NULL)
 			break;
 
-		rxq->rx_desc_count++;
+		rxq->rxd_count++;
 
-		rx = rxq->rx_tail;
-		rxq->rx_tail = (rx + 1) % MWL8K_RX_DESCS;
+		rx = rxq->tail;
+		rxq->tail = (rx + 1) % MWL8K_RX_DESCS;
 
-		rxq->rx_desc_area[rx].pkt_phys_addr =
+		rxq->rxd[rx].pkt_phys_addr =
 			cpu_to_le32(pci_map_single(priv->pdev, skb->data,
 					MWL8K_RX_MAXSZ, DMA_FROM_DEVICE));
 
-		rxq->rx_desc_area[rx].pkt_len = cpu_to_le16(MWL8K_RX_MAXSZ);
-		rxq->rx_skb[rx] = skb;
+		rxq->rxd[rx].pkt_len = cpu_to_le16(MWL8K_RX_MAXSZ);
+		rxq->skb[rx] = skb;
 		wmb();
-		rxq->rx_desc_area[rx].rx_ctrl = 0;
+		rxq->rxd[rx].rx_ctrl = 0;
 
 		refilled++;
 	}
@@ -852,24 +848,24 @@ static void mwl8k_rxq_deinit(struct ieee80211_hw *hw, int index)
 	int i;
 
 	for (i = 0; i < MWL8K_RX_DESCS; i++) {
-		if (rxq->rx_skb[i] != NULL) {
+		if (rxq->skb[i] != NULL) {
 			unsigned long addr;
 
-			addr = le32_to_cpu(rxq->rx_desc_area[i].pkt_phys_addr);
+			addr = le32_to_cpu(rxq->rxd[i].pkt_phys_addr);
 			pci_unmap_single(priv->pdev, addr, MWL8K_RX_MAXSZ,
 					 PCI_DMA_FROMDEVICE);
-			kfree_skb(rxq->rx_skb[i]);
-			rxq->rx_skb[i] = NULL;
+			kfree_skb(rxq->skb[i]);
+			rxq->skb[i] = NULL;
 		}
 	}
 
-	kfree(rxq->rx_skb);
-	rxq->rx_skb = NULL;
+	kfree(rxq->skb);
+	rxq->skb = NULL;
 
 	pci_free_consistent(priv->pdev,
 			    MWL8K_RX_DESCS * sizeof(struct mwl8k_rx_desc),
-			    rxq->rx_desc_area, rxq->rx_desc_dma);
-	rxq->rx_desc_area = NULL;
+			    rxq->rxd, rxq->rxd_dma);
+	rxq->rxd = NULL;
 }
 
 
@@ -910,7 +906,7 @@ static int rxq_process(struct ieee80211_hw *hw, int index, int limit)
 	int processed;
 
 	processed = 0;
-	while (rxq->rx_desc_count && limit--) {
+	while (rxq->rxd_count && limit--) {
 		struct mwl8k_rx_desc *rx_desc;
 		struct sk_buff *skb;
 		struct ieee80211_rx_status status;
@@ -918,18 +914,18 @@ static int rxq_process(struct ieee80211_hw *hw, int index, int limit)
 		struct ieee80211_hdr *wh;
 		u16 rate_info;
 
-		rx_desc = rxq->rx_desc_area + rxq->rx_head;
+		rx_desc = rxq->rxd + rxq->head;
 		if (!(rx_desc->rx_ctrl & MWL8K_RX_CTRL_OWNED_BY_HOST))
 			break;
 		rmb();
 
-		skb = rxq->rx_skb[rxq->rx_head];
+		skb = rxq->skb[rxq->head];
 		if (skb == NULL)
 			break;
-		rxq->rx_skb[rxq->rx_head] = NULL;
+		rxq->skb[rxq->head] = NULL;
 
-		rxq->rx_head = (rxq->rx_head + 1) % MWL8K_RX_DESCS;
-		rxq->rx_desc_count--;
+		rxq->head = (rxq->head + 1) % MWL8K_RX_DESCS;
+		rxq->rxd_count--;
 
 		addr = le32_to_cpu(rx_desc->pkt_phys_addr);
 		pci_unmap_single(priv->pdev, addr,
@@ -1000,7 +996,7 @@ struct mwl8k_tx_desc {
 	__le32 pkt_phys_addr;
 	__le16 pkt_len;
 	__u8 dest_MAC_addr[ETH_ALEN];
-	__le32 next_tx_desc_phys_addr;
+	__le32 next_txd_phys_addr;
 	__le32 reserved;
 	__le16 rate_info;
 	__u8 peer_id;
@@ -1016,44 +1012,40 @@ static int mwl8k_txq_init(struct ieee80211_hw *hw, int index)
 	int size;
 	int i;
 
-	memset(&txq->tx_stats, 0, sizeof(struct ieee80211_tx_queue_stats));
-	txq->tx_stats.limit = MWL8K_TX_DESCS;
-	txq->tx_head = 0;
-	txq->tx_tail = 0;
+	memset(&txq->stats, 0, sizeof(struct ieee80211_tx_queue_stats));
+	txq->stats.limit = MWL8K_TX_DESCS;
+	txq->head = 0;
+	txq->tail = 0;
 
 	size = MWL8K_TX_DESCS * sizeof(struct mwl8k_tx_desc);
 
-	txq->tx_desc_area =
-		pci_alloc_consistent(priv->pdev, size, &txq->tx_desc_dma);
-	if (txq->tx_desc_area == NULL) {
+	txq->txd = pci_alloc_consistent(priv->pdev, size, &txq->txd_dma);
+	if (txq->txd == NULL) {
 		printk(KERN_ERR "%s: failed to alloc TX descriptors\n",
 		       wiphy_name(hw->wiphy));
 		return -ENOMEM;
 	}
-	memset(txq->tx_desc_area, 0, size);
+	memset(txq->txd, 0, size);
 
-	txq->tx_skb = kmalloc(MWL8K_TX_DESCS * sizeof(*txq->tx_skb),
-								GFP_KERNEL);
-	if (txq->tx_skb == NULL) {
+	txq->skb = kmalloc(MWL8K_TX_DESCS * sizeof(*txq->skb), GFP_KERNEL);
+	if (txq->skb == NULL) {
 		printk(KERN_ERR "%s: failed to alloc TX skbuff list\n",
 		       wiphy_name(hw->wiphy));
-		pci_free_consistent(priv->pdev, size,
-				    txq->tx_desc_area, txq->tx_desc_dma);
+		pci_free_consistent(priv->pdev, size, txq->txd, txq->txd_dma);
 		return -ENOMEM;
 	}
-	memset(txq->tx_skb, 0, MWL8K_TX_DESCS * sizeof(*txq->tx_skb));
+	memset(txq->skb, 0, MWL8K_TX_DESCS * sizeof(*txq->skb));
 
 	for (i = 0; i < MWL8K_TX_DESCS; i++) {
 		struct mwl8k_tx_desc *tx_desc;
 		int nexti;
 
-		tx_desc = txq->tx_desc_area + i;
+		tx_desc = txq->txd + i;
 		nexti = (i + 1) % MWL8K_TX_DESCS;
 
 		tx_desc->status = 0;
-		tx_desc->next_tx_desc_phys_addr =
-			cpu_to_le32(txq->tx_desc_dma +
-						nexti * sizeof(*tx_desc));
+		tx_desc->next_txd_phys_addr =
+			cpu_to_le32(txq->txd_dma + nexti * sizeof(*tx_desc));
 	}
 
 	return 0;
@@ -1089,11 +1081,11 @@ static int mwl8k_scan_tx_ring(struct mwl8k_priv *priv,
 
 	for (count = 0; count < MWL8K_TX_QUEUES; count++) {
 		txq = priv->txq + count;
-		txinfo[count].len = txq->tx_stats.len;
-		txinfo[count].head = txq->tx_head;
-		txinfo[count].tail = txq->tx_tail;
+		txinfo[count].len = txq->stats.len;
+		txinfo[count].head = txq->head;
+		txinfo[count].tail = txq->tail;
 		for (desc = 0; desc < MWL8K_TX_DESCS; desc++) {
-			tx_desc = txq->tx_desc_area + desc;
+			tx_desc = txq->txd + desc;
 			status = le32_to_cpu(tx_desc->status);
 
 			if (status & MWL8K_TXD_STATUS_FW_OWNED)
@@ -1174,7 +1166,7 @@ static void mwl8k_txq_reclaim(struct ieee80211_hw *hw, int index, int force)
 	struct mwl8k_tx_queue *txq = priv->txq + index;
 	int wake = 0;
 
-	while (txq->tx_stats.len > 0) {
+	while (txq->stats.len > 0) {
 		int tx;
 		struct mwl8k_tx_desc *tx_desc;
 		unsigned long addr;
@@ -1183,8 +1175,8 @@ static void mwl8k_txq_reclaim(struct ieee80211_hw *hw, int index, int force)
 		struct ieee80211_tx_info *info;
 		u32 status;
 
-		tx = txq->tx_head;
-		tx_desc = txq->tx_desc_area + tx;
+		tx = txq->head;
+		tx_desc = txq->txd + tx;
 
 		status = le32_to_cpu(tx_desc->status);
 
@@ -1195,15 +1187,15 @@ static void mwl8k_txq_reclaim(struct ieee80211_hw *hw, int index, int force)
 				~cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED);
 		}
 
-		txq->tx_head = (tx + 1) % MWL8K_TX_DESCS;
-		BUG_ON(txq->tx_stats.len == 0);
-		txq->tx_stats.len--;
+		txq->head = (tx + 1) % MWL8K_TX_DESCS;
+		BUG_ON(txq->stats.len == 0);
+		txq->stats.len--;
 		priv->pending_tx_pkts--;
 
 		addr = le32_to_cpu(tx_desc->pkt_phys_addr);
 		size = le16_to_cpu(tx_desc->pkt_len);
-		skb = txq->tx_skb[tx];
-		txq->tx_skb[tx] = NULL;
+		skb = txq->skb[tx];
+		txq->skb[tx] = NULL;
 
 		BUG_ON(skb == NULL);
 		pci_unmap_single(priv->pdev, addr, size, PCI_DMA_TODEVICE);
@@ -1236,13 +1228,13 @@ static void mwl8k_txq_deinit(struct ieee80211_hw *hw, int index)
 
 	mwl8k_txq_reclaim(hw, index, 1);
 
-	kfree(txq->tx_skb);
-	txq->tx_skb = NULL;
+	kfree(txq->skb);
+	txq->skb = NULL;
 
 	pci_free_consistent(priv->pdev,
 			    MWL8K_TX_DESCS * sizeof(struct mwl8k_tx_desc),
-			    txq->tx_desc_area, txq->tx_desc_dma);
-	txq->tx_desc_area = NULL;
+			    txq->txd, txq->txd_dma);
+	txq->txd = NULL;
 }
 
 static int
@@ -1319,10 +1311,10 @@ mwl8k_txq_xmit(struct ieee80211_hw *hw, int index, struct sk_buff *skb)
 
 	txq = priv->txq + index;
 
-	BUG_ON(txq->tx_skb[txq->tx_tail] != NULL);
-	txq->tx_skb[txq->tx_tail] = skb;
+	BUG_ON(txq->skb[txq->tail] != NULL);
+	txq->skb[txq->tail] = skb;
 
-	tx = txq->tx_desc_area + txq->tx_tail;
+	tx = txq->txd + txq->tail;
 	tx->data_rate = txdatarate;
 	tx->tx_priority = index;
 	tx->qos_control = cpu_to_le16(qos);
@@ -1333,15 +1325,15 @@ mwl8k_txq_xmit(struct ieee80211_hw *hw, int index, struct sk_buff *skb)
 	wmb();
 	tx->status = cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED | txstatus);
 
-	txq->tx_stats.count++;
-	txq->tx_stats.len++;
+	txq->stats.count++;
+	txq->stats.len++;
 	priv->pending_tx_pkts++;
 
-	txq->tx_tail++;
-	if (txq->tx_tail == MWL8K_TX_DESCS)
-		txq->tx_tail = 0;
+	txq->tail++;
+	if (txq->tail == MWL8K_TX_DESCS)
+		txq->tail = 0;
 
-	if (txq->tx_head == txq->tx_tail)
+	if (txq->head == txq->tail)
 		ieee80211_stop_queue(hw, index);
 
 	mwl8k_tx_start(priv);
@@ -1492,7 +1484,7 @@ struct mwl8k_cmd_get_hw_spec {
 	__le32 tx_queue_ptrs[MWL8K_TX_QUEUES];
 	__le32 caps2;
 	__le32 num_tx_desc_per_queue;
-	__le32 total_rx_desc;
+	__le32 total_rxd;
 } __attribute__((packed));
 
 static int mwl8k_cmd_get_hw_spec(struct ieee80211_hw *hw)
@@ -1511,12 +1503,12 @@ static int mwl8k_cmd_get_hw_spec(struct ieee80211_hw *hw)
 
 	memset(cmd->perm_addr, 0xff, sizeof(cmd->perm_addr));
 	cmd->ps_cookie = cpu_to_le32(priv->cookie_dma);
-	cmd->rx_queue_ptr = cpu_to_le32(priv->rxq[0].rx_desc_dma);
+	cmd->rx_queue_ptr = cpu_to_le32(priv->rxq[0].rxd_dma);
 	cmd->num_tx_queues = cpu_to_le32(MWL8K_TX_QUEUES);
 	for (i = 0; i < MWL8K_TX_QUEUES; i++)
-		cmd->tx_queue_ptrs[i] = cpu_to_le32(priv->txq[i].tx_desc_dma);
+		cmd->tx_queue_ptrs[i] = cpu_to_le32(priv->txq[i].txd_dma);
 	cmd->num_tx_desc_per_queue = cpu_to_le32(MWL8K_TX_DESCS);
-	cmd->total_rx_desc = cpu_to_le32(MWL8K_RX_DESCS);
+	cmd->total_rxd = cpu_to_le32(MWL8K_RX_DESCS);
 
 	rc = mwl8k_post_cmd(hw, &cmd->header);
 
@@ -2888,7 +2880,7 @@ static int mwl8k_get_tx_stats(struct ieee80211_hw *hw,
 	spin_lock_bh(&priv->tx_lock);
 	for (index = 0; index < MWL8K_TX_QUEUES; index++) {
 		txq = priv->txq + index;
-		memcpy(&stats[index], &txq->tx_stats,
+		memcpy(&stats[index], &txq->stats,
 			sizeof(struct ieee80211_tx_queue_stats));
 	}
 	spin_unlock_bh(&priv->tx_lock);
-- 
GitLab


From 5b9482dda6dda11dc7050ffa5b4ebfb0c775880f Mon Sep 17 00:00:00 2001
From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Thu, 22 Oct 2009 20:20:43 +0200
Subject: [PATCH 0900/1815] mwl8k: pci BAR mapping changes

Map BAR0 as well, as we need to write to it during init on some chips.

Also, if BAR0 is a 64bit BAR, the register BAR becomes BAR2, so try
mapping BAR2 if mapping BAR1 fails.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwl8k.c | 25 ++++++++++++++++++++++---
 1 file changed, 22 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 80df2ebbd60..c0317e298c1 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -124,6 +124,7 @@ struct mwl8k_firmware {
 };
 
 struct mwl8k_priv {
+	void __iomem *sram;
 	void __iomem *regs;
 	struct ieee80211_hw *hw;
 
@@ -2987,13 +2988,27 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
 	SET_IEEE80211_DEV(hw, &pdev->dev);
 	pci_set_drvdata(pdev, hw);
 
-	priv->regs = pci_iomap(pdev, 1, 0x10000);
-	if (priv->regs == NULL) {
-		printk(KERN_ERR "%s: Cannot map device memory\n",
+	priv->sram = pci_iomap(pdev, 0, 0x10000);
+	if (priv->sram == NULL) {
+		printk(KERN_ERR "%s: Cannot map device SRAM\n",
 		       wiphy_name(hw->wiphy));
 		goto err_iounmap;
 	}
 
+	/*
+	 * If BAR0 is a 32 bit BAR, the register BAR will be BAR1.
+	 * If BAR0 is a 64 bit BAR, the register BAR will be BAR2.
+	 */
+	priv->regs = pci_iomap(pdev, 1, 0x10000);
+	if (priv->regs == NULL) {
+		priv->regs = pci_iomap(pdev, 2, 0x10000);
+		if (priv->regs == NULL) {
+			printk(KERN_ERR "%s: Cannot map device registers\n",
+			       wiphy_name(hw->wiphy));
+			goto err_iounmap;
+		}
+	}
+
 	memcpy(priv->channels, mwl8k_channels, sizeof(mwl8k_channels));
 	priv->band.band = IEEE80211_BAND_2GHZ;
 	priv->band.channels = priv->channels;
@@ -3165,6 +3180,9 @@ err_iounmap:
 	if (priv->regs != NULL)
 		pci_iounmap(pdev, priv->regs);
 
+	if (priv->sram != NULL)
+		pci_iounmap(pdev, priv->sram);
+
 	pci_set_drvdata(pdev, NULL);
 	ieee80211_free_hw(hw);
 
@@ -3212,6 +3230,7 @@ static void __devexit mwl8k_remove(struct pci_dev *pdev)
 	pci_free_consistent(priv->pdev, 4, priv->cookie, priv->cookie_dma);
 
 	pci_iounmap(pdev, priv->regs);
+	pci_iounmap(pdev, priv->sram);
 	pci_set_drvdata(pdev, NULL);
 	ieee80211_free_hw(hw);
 	pci_release_regions(pdev);
-- 
GitLab


From 7fdad987d63f02c8fba30276ba395ac8dc93b719 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Sat, 31 Oct 2009 16:15:39 +0100
Subject: [PATCH 0901/1815] cfg80211: remove dead variable

commit 211a4d12abf86fe0df4cd68fc6327cbb58f56f81
  Author: Johannes Berg <johannes@sipsolutions.net>
  Date:   Tue Oct 20 15:08:53 2009 +0900

      cfg80211: sme: deauthenticate on assoc failure

accidentally introduced a dead variable, I had
changed the code to not need it while creating
the patch and it looks like I forgot to remove
the variable (and nobody else noticed either).

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/wireless/mlme.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 83c2a288dc6..2610b746eff 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -62,7 +62,6 @@ void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len)
 	u8 *ie = mgmt->u.assoc_resp.variable;
 	int i, ieoffs = offsetof(struct ieee80211_mgmt, u.assoc_resp.variable);
 	struct cfg80211_internal_bss *bss = NULL;
-	bool need_connect_result = true;
 
 	wdev_lock(wdev);
 
@@ -97,7 +96,6 @@ void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len)
 		WARN_ON(!bss);
 	} else if (wdev->conn) {
 		cfg80211_sme_failed_assoc(wdev);
-		need_connect_result = false;
 		/*
 		 * do not call connect_result() now because the
 		 * sme will schedule work that does it later.
-- 
GitLab


From 5ed176e1c425f9bd1af161d66d348f6116a04fc6 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Wed, 4 Nov 2009 14:42:28 +0100
Subject: [PATCH 0902/1815] mac80211: make ieee80211_find_sta per virtual
 interface

Since we have a TODO item to make all station
management dependent on virtual interfaces, I
figured I'd start with pushing such a change
to drivers before more drivers start using the
ieee80211_find_sta() API with a hw pointer and
cause us grief later on.

For now continue exporting the old API in form
of ieee80211_find_sta_by_hw(), but discourage
its use strongly.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/recv.c      |  3 ++-
 drivers/net/wireless/ath/ath9k/xmit.c      |  3 ++-
 drivers/net/wireless/iwlwifi/iwl-3945-rs.c |  3 ++-
 drivers/net/wireless/iwlwifi/iwl-core.c    |  2 +-
 drivers/net/wireless/iwlwifi/iwl-sta.c     |  2 +-
 include/net/mac80211.h                     | 25 ++++++++++++++++++++--
 net/mac80211/sta_info.c                    | 18 ++++++++++++++--
 7 files changed, 47 insertions(+), 9 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index c880a55939b..355dd1834e1 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -202,7 +202,8 @@ static int ath_rx_prepare(struct sk_buff *skb, struct ath_desc *ds,
 	}
 
 	rcu_read_lock();
-	sta = ieee80211_find_sta(sc->hw, hdr->addr2);
+	/* XXX: use ieee80211_find_sta! */
+	sta = ieee80211_find_sta_by_hw(sc->hw, hdr->addr2);
 	if (sta) {
 		an = (struct ath_node *) sta->drv_priv;
 		if (ds->ds_rxstat.rs_rssi != ATH9K_RSSI_BAD &&
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 2a4efcbced6..8e052f406c3 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -282,7 +282,8 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
 
 	rcu_read_lock();
 
-	sta = ieee80211_find_sta(sc->hw, hdr->addr1);
+	/* XXX: use ieee80211_find_sta! */
+	sta = ieee80211_find_sta_by_hw(sc->hw, hdr->addr1);
 	if (!sta) {
 		rcu_read_unlock();
 		return;
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
index 819a81bbb1b..dc81e19674f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
@@ -913,7 +913,8 @@ void iwl3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id)
 
 	rcu_read_lock();
 
-	sta = ieee80211_find_sta(hw, priv->stations[sta_id].sta.sta.addr);
+	sta = ieee80211_find_sta(priv->vif,
+				 priv->stations[sta_id].sta.sta.addr);
 	if (!sta) {
 		rcu_read_unlock();
 		return;
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 7373b2f50ac..e0b5b4aef41 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -2300,7 +2300,7 @@ static void iwl_ht_conf(struct iwl_priv *priv,
 	switch (priv->iw_mode) {
 	case NL80211_IFTYPE_STATION:
 		rcu_read_lock();
-		sta = ieee80211_find_sta(priv->hw, priv->bssid);
+		sta = ieee80211_find_sta(priv->vif, priv->bssid);
 		if (sta) {
 			struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap;
 			int maxstreams;
diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c
index 74cc8dbe935..eba36f73738 100644
--- a/drivers/net/wireless/iwlwifi/iwl-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-sta.c
@@ -1017,7 +1017,7 @@ int iwl_rxon_add_station(struct iwl_priv *priv, const u8 *addr, bool is_ap)
 	 */
 	if (priv->current_ht_config.is_ht) {
 		rcu_read_lock();
-		sta = ieee80211_find_sta(priv->hw, addr);
+		sta = ieee80211_find_sta(priv->vif, addr);
 		if (sta) {
 			memcpy(&ht_config, &sta->ht_cap, sizeof(ht_config));
 			cur_ht_config = &ht_config;
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index e12293e60ac..7f035d779db 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -2106,15 +2106,36 @@ void ieee80211_stop_tx_ba_cb_irqsafe(struct ieee80211_hw *hw, const u8 *ra,
 /**
  * ieee80211_find_sta - find a station
  *
- * @hw: pointer as obtained from ieee80211_alloc_hw()
+ * @vif: virtual interface to look for station on
  * @addr: station's address
  *
  * This function must be called under RCU lock and the
  * resulting pointer is only valid under RCU lock as well.
  */
-struct ieee80211_sta *ieee80211_find_sta(struct ieee80211_hw *hw,
+struct ieee80211_sta *ieee80211_find_sta(struct ieee80211_vif *vif,
 					 const u8 *addr);
 
+/**
+ * ieee80211_find_sta_by_hw - find a station on hardware
+ *
+ * @hw: pointer as obtained from ieee80211_alloc_hw()
+ * @addr: station's address
+ *
+ * This function must be called under RCU lock and the
+ * resulting pointer is only valid under RCU lock as well.
+ *
+ * NOTE: This function should not be used! When mac80211 is converted
+ *	 internally to properly keep track of stations on multiple
+ *	 virtual interfaces, it will not always know which station to
+ *	 return here since a single address might be used by multiple
+ *	 logical stations (e.g. consider a station connecting to another
+ *	 BSSID on the same AP hardware without disconnecting first).
+ *
+ * DO NOT USE THIS FUNCTION.
+ */
+struct ieee80211_sta *ieee80211_find_sta_by_hw(struct ieee80211_hw *hw,
+					       const u8 *addr);
+
 /**
  * ieee80211_beacon_loss - inform hardware does not receive beacons
  *
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 594f2318c3d..cde2da7a74d 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -801,8 +801,8 @@ void ieee80211_sta_expire(struct ieee80211_sub_if_data *sdata,
 		sta_info_destroy(sta);
 }
 
-struct ieee80211_sta *ieee80211_find_sta(struct ieee80211_hw *hw,
-					 const u8 *addr)
+struct ieee80211_sta *ieee80211_find_sta_by_hw(struct ieee80211_hw *hw,
+					       const u8 *addr)
 {
 	struct sta_info *sta = sta_info_get(hw_to_local(hw), addr);
 
@@ -810,4 +810,18 @@ struct ieee80211_sta *ieee80211_find_sta(struct ieee80211_hw *hw,
 		return NULL;
 	return &sta->sta;
 }
+EXPORT_SYMBOL_GPL(ieee80211_find_sta_by_hw);
+
+struct ieee80211_sta *ieee80211_find_sta(struct ieee80211_vif *vif,
+					 const u8 *addr)
+{
+	struct ieee80211_sub_if_data *sdata;
+
+	if (!vif)
+		return NULL;
+
+	sdata = vif_to_sdata(vif);
+
+	return ieee80211_find_sta_by_hw(&sdata->local->hw, addr);
+}
 EXPORT_SYMBOL(ieee80211_find_sta);
-- 
GitLab


From 71eafe3230073917456973d67bc49eaa874c5a42 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:31:58 +0100
Subject: [PATCH 0903/1815] rt2800usb: make Kconfig help entry more helpful

Document known issues with the driver to aid distribution makers,
users and developers in making informed decisions instead of wasting
their time needlessly.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/Kconfig | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/rt2x00/Kconfig b/drivers/net/wireless/rt2x00/Kconfig
index a6796a13048..1803c1bb4e3 100644
--- a/drivers/net/wireless/rt2x00/Kconfig
+++ b/drivers/net/wireless/rt2x00/Kconfig
@@ -104,7 +104,7 @@ config RT73USB
 	  When compiled as a module, this driver will be called rt73usb.
 
 config RT2800USB
-	tristate "Ralink rt2800 (USB) support"
+	tristate "Ralink rt2800 (USB) support (EXPERIMENTAL)"
 	depends on USB && EXPERIMENTAL
 	select RT2X00_LIB_USB
 	select RT2X00_LIB_HT
@@ -115,6 +115,10 @@ config RT2800USB
 	  This adds experimental support for rt2800 wireless chipset family.
 	  Supported chips: RT2770, RT2870 & RT3070.
 
+	  Known issues:
+	  - support for RT2870 chips doesn't work with 802.11n APs yet
+	  - support for RT3070 chips is non-functional at the moment
+
 	  When compiled as a module, this driver will be called "rt2800usb.ko".
 
 config RT2X00_LIB_PCI
-- 
GitLab


From f44eafa76be981b57667adcef5153b18e8a21904 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:32:10 +0100
Subject: [PATCH 0904/1815] rt2800pci: make Kconfig help entry more helpful

Document known issues with the driver to aid distribution makers,
users and developers in making informed decisions instead of wasting
their time needlessly.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/Kconfig | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/rt2x00/Kconfig b/drivers/net/wireless/rt2x00/Kconfig
index 1803c1bb4e3..18e5b8e6c34 100644
--- a/drivers/net/wireless/rt2x00/Kconfig
+++ b/drivers/net/wireless/rt2x00/Kconfig
@@ -64,7 +64,7 @@ config RT2800PCI_SOC
 	default y
 
 config RT2800PCI
-	tristate "Ralink rt2800 (PCI/PCMCIA) support"
+	tristate "Ralink rt2800 (PCI/PCMCIA) support (VERY EXPERIMENTAL)"
 	depends on (RT2800PCI_PCI || RT2800PCI_SOC) && EXPERIMENTAL
 	select RT2X00_LIB_PCI if RT2800PCI_PCI
 	select RT2X00_LIB_SOC if RT2800PCI_SOC
@@ -77,6 +77,9 @@ config RT2800PCI
 	  This adds support for rt2800 wireless chipset family.
 	  Supported chips: RT2760, RT2790, RT2860, RT2880, RT2890 & RT3052
 
+	  This driver is non-functional at the moment and is intended for
+	  developers.
+
 	  When compiled as a module, this driver will be called "rt2800pci.ko".
 
 config RT2500USB
-- 
GitLab


From a8ea2b23f62e23c2afac291f9caa500bd1a60618 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:32:17 +0100
Subject: [PATCH 0905/1815] rt2800usb: fix rt2800usb_rfcsr_read()

The driver should write the read request into RF_CSR_CFG register
and not BBP_CSR_CFG one in rt2800usb_rfcsr_read().

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800usb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 9fe770f7d7b..b3e266e7790 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -167,7 +167,7 @@ static void rt2800usb_rfcsr_read(struct rt2x00_dev *rt2x00dev,
 		rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 0);
 		rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
 
-		rt2x00usb_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
+		rt2x00usb_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
 
 		WAIT_FOR_RFCSR(rt2x00dev, &reg);
 	}
-- 
GitLab


From f644fea1a8433f65f78a36cd7b23b8f57b0f77e4 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:32:24 +0100
Subject: [PATCH 0906/1815] rt2800pci: fix crypto in TX frame

Based on rt2800usb patch from Benoit PAPILLAULT
(commit 17616310836ad2cc45a64576ef0e1520b0dcc81b).

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800pci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index be81788b80c..5b3f40356c6 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -2195,7 +2195,7 @@ static void rt2800pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&word, TXWI_W1_BW_WIN_SIZE, txdesc->ba_size);
 	rt2x00_set_field32(&word, TXWI_W1_WIRELESS_CLI_ID,
 			   test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags) ?
-			       (skbdesc->entry->entry_idx + 1) : 0xff);
+			   txdesc->key_idx : 0xff);
 	rt2x00_set_field32(&word, TXWI_W1_MPDU_TOTAL_BYTE_COUNT,
 			   skb->len - txdesc->l2pad);
 	rt2x00_set_field32(&word, TXWI_W1_PACKETID,
-- 
GitLab


From 8807bb8cddbeb5b48bd9c6e40396af07980c7cdf Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:32:32 +0100
Subject: [PATCH 0907/1815] rt2800pci: fix comment about register access

Registers used for indirect BBP and RF registers access are
respectively BBPCSR and RFCSR, also make it clear that all CSR
registers access goes through rt2x00pci_register_[read,write]()
methods.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800pci.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 5b3f40356c6..e4a1a858a2f 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -56,8 +56,10 @@ MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
 
 /*
  * Register access.
+ * All access to the CSR registers will go through the methods
+ * rt2x00pci_register_read and rt2x00pci_register_write.
  * BBP and RF register require indirect register access,
- * and use the CSR registers PHY_CSR3 and PHY_CSR4 to achieve this.
+ * and use the CSR registers BBPCSR and RFCSR to achieve this.
  * These indirect registers work with busy bits,
  * and we will try maximal REGISTER_BUSY_COUNT times to access
  * the register while taking a REGISTER_BUSY_DELAY us delay
-- 
GitLab


From 77dba493618b5b5c84c9e375b6e3d51862ca7408 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:32:40 +0100
Subject: [PATCH 0908/1815] rt2800pci: fix comment about IV/EIV fields

The bit tested by hardware is TXD_W3_WIV and its value
equals the negated value of ENTRY_TXD_ENCRYPT_IV bit.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800pci.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index e4a1a858a2f..5d3c48b9f5c 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -2206,8 +2206,8 @@ static void rt2800pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 
 	/*
 	 * Always write 0 to IV/EIV fields, hardware will insert the IV
-	 * from the IVEIV register when ENTRY_TXD_ENCRYPT_IV is set to 0.
-	 * When ENTRY_TXD_ENCRYPT_IV is set to 1 it will use the IV data
+	 * from the IVEIV register when TXD_W3_WIV is set to 0.
+	 * When TXD_W3_WIV is set to 1 it will use the IV data
 	 * from the descriptor. The TXWI_W1_WIRELESS_CLI_ID indicates which
 	 * crypto entry in the registers should be used to encrypt the frame.
 	 */
-- 
GitLab


From 02a39c209bda97f5dfd0c390c3926c131a052e34 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:32:50 +0100
Subject: [PATCH 0909/1815] rt2x00: fix rt2x00usb_register_read() comment

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2x00usb.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.h b/drivers/net/wireless/rt2x00/rt2x00usb.h
index bd2d59c85f1..9093516d9af 100644
--- a/drivers/net/wireless/rt2x00/rt2x00usb.h
+++ b/drivers/net/wireless/rt2x00/rt2x00usb.h
@@ -232,7 +232,7 @@ static inline int rt2x00usb_eeprom_read(struct rt2x00_dev *rt2x00dev,
 }
 
 /**
- * rt2x00usb_regbusy_read - Read 32bit register word
+ * rt2x00usb_register_read - Read 32bit register word
  * @rt2x00dev: Device pointer, see &struct rt2x00_dev.
  * @offset: Register offset
  * @value: Pointer to where register contents should be stored
-- 
GitLab


From 3306ef642a4dec6ba5341eceb8b9cb1e4a82ddb0 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:32:58 +0100
Subject: [PATCH 0910/1815] rt2800usb: use rt2x00usb_register_multiwrite() to
 set key entries

Since struct hw_key_entry is 32-bytes large and is smaller than
CSR cache size (which is 64-bytes large) we can use the standard
rt2x00usb_register_multiwrite() helper to set key entries.

This cleanup is a part of preparations for later code unification.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800usb.c | 18 ++++--------------
 1 file changed, 4 insertions(+), 14 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index b3e266e7790..39a652bc29d 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -392,7 +392,6 @@ static int rt2800usb_config_shared_key(struct rt2x00_dev *rt2x00dev,
 {
 	struct hw_key_entry key_entry;
 	struct rt2x00_field32 field;
-	int timeout;
 	u32 offset;
 	u32 reg;
 
@@ -407,12 +406,8 @@ static int rt2800usb_config_shared_key(struct rt2x00_dev *rt2x00dev,
 		       sizeof(key_entry.rx_mic));
 
 		offset = SHARED_KEY_ENTRY(key->hw_key_idx);
-		timeout = REGISTER_TIMEOUT32(sizeof(key_entry));
-		rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
-						    USB_VENDOR_REQUEST_OUT,
-						    offset, &key_entry,
-						    sizeof(key_entry),
-						    timeout);
+		rt2x00usb_register_multiwrite(rt2x00dev, offset,
+					      &key_entry, sizeof(key_entry));
 	}
 
 	/*
@@ -445,7 +440,6 @@ static int rt2800usb_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
 					 struct ieee80211_key_conf *key)
 {
 	struct hw_key_entry key_entry;
-	int timeout;
 	u32 offset;
 
 	if (crypto->cmd == SET_KEY) {
@@ -467,12 +461,8 @@ static int rt2800usb_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
 		       sizeof(key_entry.rx_mic));
 
 		offset = PAIRWISE_KEY_ENTRY(key->hw_key_idx);
-		timeout = REGISTER_TIMEOUT32(sizeof(key_entry));
-		rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
-						    USB_VENDOR_REQUEST_OUT,
-						    offset, &key_entry,
-						    sizeof(key_entry),
-						    timeout);
+		rt2x00usb_register_multiwrite(rt2x00dev, offset,
+					      &key_entry, sizeof(key_entry));
 	}
 
 	/*
-- 
GitLab


From d07624f191a14e2a59e1fe884a13582f24d7f8cb Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:35:39 +0100
Subject: [PATCH 0911/1815] rt2800usb: fix comments in rt2800usb.h

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800usb.h | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800usb.h b/drivers/net/wireless/rt2x00/rt2800usb.h
index 4d9991c9a51..7b1130a22c5 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.h
+++ b/drivers/net/wireless/rt2x00/rt2800usb.h
@@ -61,7 +61,7 @@
 
 /*
  * Signal information.
- * Defaul offset is required for RSSI <-> dBm conversion.
+ * Default offset is required for RSSI <-> dBm conversion.
  */
 #define DEFAULT_RSSI_OFFSET		120 /* FIXME */
 
@@ -86,12 +86,6 @@
  * USB registers.
  */
 
-/*
- * HOST-MCU shared memory
- */
-#define HOST_CMD_CSR			0x0404
-#define HOST_CMD_CSR_HOST_COMMAND	FIELD32(0x000000ff)
-
 /*
  * INT_SOURCE_CSR: Interrupt source register.
  * Write one to clear corresponding bit.
@@ -350,6 +344,12 @@
 #define PBF_SYS_CTRL_READY		FIELD32(0x00000080)
 #define PBF_SYS_CTRL_HOST_RAM_WRITE	FIELD32(0x00010000)
 
+/*
+ * HOST-MCU shared memory
+ */
+#define HOST_CMD_CSR			0x0404
+#define HOST_CMD_CSR_HOST_COMMAND	FIELD32(0x000000ff)
+
 /*
  * PBF registers
  * Most are for debug. Driver doesn't touch PBF register.
@@ -1776,7 +1776,7 @@ struct mac_iveiv_entry {
 
 /*
  * Word3
- * WIV: Wireless Info Valid. 1: Driver filled WI,  0: DMA needs to copy WI
+ * WIV: Wireless Info Valid. 1: Driver filled WI, 0: DMA needs to copy WI
  * QSEL: Select on-chip FIFO ID for 2nd-stage output scheduler.
  *       0:MGMT, 1:HCCA 2:EDCA
  */
-- 
GitLab


From b35686d0b2d754d627aeb0c4340884aeaed8e4f3 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:36:33 +0100
Subject: [PATCH 0912/1815] rt2x00: remove needless ifdefs from rt2x00leds.h

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2x00leds.h | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2x00leds.h b/drivers/net/wireless/rt2x00/rt2x00leds.h
index 1046977e6a1..8e03c045e03 100644
--- a/drivers/net/wireless/rt2x00/rt2x00leds.h
+++ b/drivers/net/wireless/rt2x00/rt2x00leds.h
@@ -33,8 +33,6 @@ enum led_type {
 	LED_TYPE_QUALITY,
 };
 
-#ifdef CONFIG_RT2X00_LIB_LEDS
-
 struct rt2x00_led {
 	struct rt2x00_dev *rt2x00dev;
 	struct led_classdev led_dev;
@@ -45,6 +43,4 @@ struct rt2x00_led {
 #define LED_REGISTERED		( 1 << 1 )
 };
 
-#endif /* CONFIG_RT2X00_LIB_LEDS */
-
 #endif /* RT2X00LEDS_H */
-- 
GitLab


From 450aae3d7b60a970f266349a837dfb30a539198b Mon Sep 17 00:00:00 2001
From: Sujith <Sujith.Manoharan@atheros.com>
Date: Mon, 2 Nov 2009 12:33:23 +0530
Subject: [PATCH 0913/1815] mac80211: Fix IBSS merge

Currently, in IBSS mode, a single creator would go into
a loop trying to merge/scan. This happens because the IBSS timer is
rearmed on finishing a scan and the subsequent
timer invocation requests another scan immediately.

This patch fixes this issue by checking if we have just completed
a scan run trying to merge with other IBSS networks.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/ibss.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index ca8ecce31d3..6ae288387a1 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -453,6 +453,10 @@ static void ieee80211_sta_merge_ibss(struct ieee80211_sub_if_data *sdata)
 
 	ieee80211_sta_expire(sdata, IEEE80211_IBSS_INACTIVITY_LIMIT);
 
+	if (time_before(jiffies, ifibss->last_scan_completed +
+		       IEEE80211_IBSS_MERGE_INTERVAL))
+		return;
+
 	if (ieee80211_sta_active_ibss(sdata))
 		return;
 
-- 
GitLab


From c327d96759ac134384114830e19ded80e29fdcc4 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Mon, 2 Nov 2009 11:31:51 +0100
Subject: [PATCH 0914/1815] mac80211: fix internal scan request

The internal scan request mac80211 uses to
scan for IBSS networks was set up to contain
no channels at all because n_channels wasn't
set after setting up the channels array. Fix
this to properly scan for networks.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 4e80213d6c7..9e6703ff7fb 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -901,6 +901,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
 			i++;
 		}
 	}
+	local->int_scan_req->n_channels = i;
 
 	local->network_latency_notifier.notifier_call =
 		ieee80211_max_network_latency;
-- 
GitLab


From e9a6269d5bcb1c7cd18cea02a9a73fac8712f2d1 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Mon, 2 Nov 2009 12:15:15 -0500
Subject: [PATCH 0915/1815] wl1271: use __dev_alloc_skb() on RX

RX is handled in a workqueue therefore allocating for GFP_ATOMIC
is overkill and not required.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Acked-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_rx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_rx.c b/drivers/net/wireless/wl12xx/wl1271_rx.c
index 37d81ab6acc..ca645f38109 100644
--- a/drivers/net/wireless/wl12xx/wl1271_rx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_rx.c
@@ -159,7 +159,7 @@ static void wl1271_rx_handle_data(struct wl1271 *wl, u32 length)
 	u8 *buf;
 	u8 beacon = 0;
 
-	skb = dev_alloc_skb(length);
+	skb = __dev_alloc_skb(length, GFP_KERNEL);
 	if (!skb) {
 		wl1271_error("Couldn't allocate RX frame");
 		return;
-- 
GitLab


From 9f9354b92defa15aa0e215946c6e2dbccecb6aa7 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 4 Nov 2009 22:05:10 -0800
Subject: [PATCH 0916/1815] net: net/ipv4/devinet.c cleanups

As pointed by Stephen Rothwell, commit c6d14c84 added a warning :

net/ipv4/devinet.c: In function 'inet_select_addr':
net/ipv4/devinet.c:902: warning: label 'out' defined but not used

delete unused 'out' label and do some cleanups as well

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/devinet.c | 61 +++++++++++++++++++++++++---------------------
 1 file changed, 33 insertions(+), 28 deletions(-)

diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 8aa7a134c1f..c2045f9615d 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -140,11 +140,11 @@ void in_dev_finish_destroy(struct in_device *idev)
 #endif
 	dev_put(dev);
 	if (!idev->dead)
-		printk("Freeing alive in_device %p\n", idev);
-	else {
+		pr_err("Freeing alive in_device %p\n", idev);
+	else
 		kfree(idev);
-	}
 }
+EXPORT_SYMBOL(in_dev_finish_destroy);
 
 static struct in_device *inetdev_init(struct net_device *dev)
 {
@@ -159,7 +159,8 @@ static struct in_device *inetdev_init(struct net_device *dev)
 			sizeof(in_dev->cnf));
 	in_dev->cnf.sysctl = NULL;
 	in_dev->dev = dev;
-	if ((in_dev->arp_parms = neigh_parms_alloc(dev, &arp_tbl)) == NULL)
+	in_dev->arp_parms = neigh_parms_alloc(dev, &arp_tbl);
+	if (!in_dev->arp_parms)
 		goto out_kfree;
 	if (IPV4_DEVCONF(in_dev->cnf, FORWARDING))
 		dev_disable_lro(dev);
@@ -413,6 +414,7 @@ struct in_device *inetdev_by_index(struct net *net, int ifindex)
 	rcu_read_unlock();
 	return in_dev;
 }
+EXPORT_SYMBOL(inetdev_by_index);
 
 /* Called only from RTNL semaphored context. No locks. */
 
@@ -558,7 +560,7 @@ static int inet_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg
  *	Determine a default network mask, based on the IP address.
  */
 
-static __inline__ int inet_abc_len(__be32 addr)
+static inline int inet_abc_len(__be32 addr)
 {
 	int rc = -1;	/* Something else, probably a multicast. */
 
@@ -647,13 +649,15 @@ int devinet_ioctl(struct net *net, unsigned int cmd, void __user *arg)
 	rtnl_lock();
 
 	ret = -ENODEV;
-	if ((dev = __dev_get_by_name(net, ifr.ifr_name)) == NULL)
+	dev = __dev_get_by_name(net, ifr.ifr_name);
+	if (!dev)
 		goto done;
 
 	if (colon)
 		*colon = ':';
 
-	if ((in_dev = __in_dev_get_rtnl(dev)) != NULL) {
+	in_dev = __in_dev_get_rtnl(dev);
+	if (in_dev) {
 		if (tryaddrmatch) {
 			/* Matthias Andree */
 			/* compare label and address (4.4BSD style) */
@@ -721,7 +725,8 @@ int devinet_ioctl(struct net *net, unsigned int cmd, void __user *arg)
 
 		if (!ifa) {
 			ret = -ENOBUFS;
-			if ((ifa = inet_alloc_ifa()) == NULL)
+			ifa = inet_alloc_ifa();
+			if (!ifa)
 				break;
 			if (colon)
 				memcpy(ifa->ifa_label, ifr.ifr_name, IFNAMSIZ);
@@ -823,10 +828,10 @@ static int inet_gifconf(struct net_device *dev, char __user *buf, int len)
 	struct ifreq ifr;
 	int done = 0;
 
-	if (!in_dev || (ifa = in_dev->ifa_list) == NULL)
+	if (!in_dev)
 		goto out;
 
-	for (; ifa; ifa = ifa->ifa_next) {
+	for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
 		if (!buf) {
 			done += sizeof(ifr);
 			continue;
@@ -877,16 +882,17 @@ __be32 inet_select_addr(const struct net_device *dev, __be32 dst, int scope)
 			addr = ifa->ifa_local;
 	} endfor_ifa(in_dev);
 
-no_in_dev:
 	if (addr)
 		goto out_unlock;
+no_in_dev:
 
 	/* Not loopback addresses on loopback should be preferred
 	   in this case. It is importnat that lo is the first interface
 	   in dev_base list.
 	 */
 	for_each_netdev_rcu(net, dev) {
-		if ((in_dev = __in_dev_get_rcu(dev)) == NULL)
+		in_dev = __in_dev_get_rcu(dev);
+		if (!in_dev)
 			continue;
 
 		for_primary_ifa(in_dev) {
@@ -899,9 +905,9 @@ no_in_dev:
 	}
 out_unlock:
 	rcu_read_unlock();
-out:
 	return addr;
 }
+EXPORT_SYMBOL(inet_select_addr);
 
 static __be32 confirm_addr_indev(struct in_device *in_dev, __be32 dst,
 			      __be32 local, int scope)
@@ -937,7 +943,7 @@ static __be32 confirm_addr_indev(struct in_device *in_dev, __be32 dst,
 		}
 	} endfor_ifa(in_dev);
 
-	return same? addr : 0;
+	return same ? addr : 0;
 }
 
 /*
@@ -960,7 +966,8 @@ __be32 inet_confirm_addr(struct in_device *in_dev,
 	net = dev_net(in_dev->dev);
 	rcu_read_lock();
 	for_each_netdev_rcu(net, dev) {
-		if ((in_dev = __in_dev_get_rcu(dev))) {
+		in_dev = __in_dev_get_rcu(dev);
+		if (in_dev) {
 			addr = confirm_addr_indev(in_dev, dst, local, scope);
 			if (addr)
 				break;
@@ -979,14 +986,16 @@ int register_inetaddr_notifier(struct notifier_block *nb)
 {
 	return blocking_notifier_chain_register(&inetaddr_chain, nb);
 }
+EXPORT_SYMBOL(register_inetaddr_notifier);
 
 int unregister_inetaddr_notifier(struct notifier_block *nb)
 {
 	return blocking_notifier_chain_unregister(&inetaddr_chain, nb);
 }
+EXPORT_SYMBOL(unregister_inetaddr_notifier);
 
-/* Rename ifa_labels for a device name change. Make some effort to preserve existing
- * alias numbering and to create unique labels if possible.
+/* Rename ifa_labels for a device name change. Make some effort to preserve
+ * existing alias numbering and to create unique labels if possible.
 */
 static void inetdev_changename(struct net_device *dev, struct in_device *in_dev)
 {
@@ -1005,11 +1014,10 @@ static void inetdev_changename(struct net_device *dev, struct in_device *in_dev)
 			sprintf(old, ":%d", named);
 			dot = old;
 		}
-		if (strlen(dot) + strlen(dev->name) < IFNAMSIZ) {
+		if (strlen(dot) + strlen(dev->name) < IFNAMSIZ)
 			strcat(ifa->ifa_label, dot);
-		} else {
+		else
 			strcpy(ifa->ifa_label + (IFNAMSIZ - strlen(dot) - 1), dot);
-		}
 skip:
 		rtmsg_ifa(RTM_NEWADDR, ifa, NULL, 0);
 	}
@@ -1056,8 +1064,9 @@ static int inetdev_event(struct notifier_block *this, unsigned long event,
 		if (!inetdev_valid_mtu(dev->mtu))
 			break;
 		if (dev->flags & IFF_LOOPBACK) {
-			struct in_ifaddr *ifa;
-			if ((ifa = inet_alloc_ifa()) != NULL) {
+			struct in_ifaddr *ifa = inet_alloc_ifa();
+
+			if (ifa) {
 				ifa->ifa_local =
 				  ifa->ifa_address = htonl(INADDR_LOOPBACK);
 				ifa->ifa_prefixlen = 8;
@@ -1178,7 +1187,8 @@ static int inet_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb)
 			goto cont;
 		if (idx > s_idx)
 			s_ip_idx = 0;
-		if ((in_dev = __in_dev_get_rtnl(dev)) == NULL)
+		in_dev = __in_dev_get_rtnl(dev);
+		if (!in_dev)
 			goto cont;
 
 		for (ifa = in_dev->ifa_list, ip_idx = 0; ifa;
@@ -1673,8 +1683,3 @@ void __init devinet_init(void)
 	rtnl_register(PF_INET, RTM_GETADDR, NULL, inet_dump_ifaddr);
 }
 
-EXPORT_SYMBOL(in_dev_finish_destroy);
-EXPORT_SYMBOL(inet_select_addr);
-EXPORT_SYMBOL(inetdev_by_index);
-EXPORT_SYMBOL(register_inetaddr_notifier);
-EXPORT_SYMBOL(unregister_inetaddr_notifier);
-- 
GitLab


From 8d044fe6aacaf573112331847155211a56a12736 Mon Sep 17 00:00:00 2001
From: Ranjith Lohithakshan <ranjithl@ti.com>
Date: Wed, 4 Nov 2009 22:06:20 -0800
Subject: [PATCH 0917/1815] TI DaVinci EMAC: Add suspend/resume capability

Add suspend/resume capability to TI DaVinci EMAC driver.

Signed-off-by: Ranjith Lohithakshan <ranjithl@ti.com>
Signed-off-by: Chaithrika U S <chaithrika@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/davinci_emac.c | 30 +++++++++++++++++++++++++++---
 1 file changed, 27 insertions(+), 3 deletions(-)

diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c
index a876dce13b9..f1b09c0992b 100644
--- a/drivers/net/davinci_emac.c
+++ b/drivers/net/davinci_emac.c
@@ -2806,11 +2806,33 @@ static int __devexit davinci_emac_remove(struct platform_device *pdev)
 	return 0;
 }
 
+static
+int davinci_emac_suspend(struct platform_device *pdev, pm_message_t state)
+{
+	struct net_device *dev = platform_get_drvdata(pdev);
+
+	if (netif_running(dev))
+		emac_dev_stop(dev);
+
+	clk_disable(emac_clk);
+
+	return 0;
+}
+
+static int davinci_emac_resume(struct platform_device *pdev)
+{
+	struct net_device *dev = platform_get_drvdata(pdev);
+
+	clk_enable(emac_clk);
+
+	if (netif_running(dev))
+		emac_dev_open(dev);
+
+	return 0;
+}
+
 /**
  * davinci_emac_driver: EMAC platform driver structure
- *
- * We implement only probe and remove functions - suspend/resume and
- * others not supported by this module
  */
 static struct platform_driver davinci_emac_driver = {
 	.driver = {
@@ -2819,6 +2841,8 @@ static struct platform_driver davinci_emac_driver = {
 	},
 	.probe = davinci_emac_probe,
 	.remove = __devexit_p(davinci_emac_remove),
+	.suspend = davinci_emac_suspend,
+	.resume = davinci_emac_resume,
 };
 
 /**
-- 
GitLab


From 05eaade2782fb0c90d3034fd7a7d5a16266182bb Mon Sep 17 00:00:00 2001
From: Gilad Ben-Yossef <gilad@codefidence.com>
Date: Wed, 4 Nov 2009 23:21:44 -0800
Subject: [PATCH 0918/1815] tcp: Do not call IPv4 specific func in
 tcp_check_req

Calling IPv4 specific inet_csk_route_req in tcp_check_req
is a bad idea and crashes machine on IPv6 connections, as reported
by Valdis Kletnieks

Also, all we are really interested in is the timestamp
option in the header, so calling tcp_parse_options()
with the "estab" set to false flag is an overkill as
it tries to parse half a dozen other TCP options.

We know whether timestamp should be enabled or not
using data from request_sock.

Signed-off-by: Gilad Ben-Yossef <gilad@codefidence.com>
Tested-by: Valdis.Kletnieks@vt.edu
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/tcp_minisocks.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 463d51b53d3..a9d34e224cb 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -500,11 +500,10 @@ struct sock *tcp_check_req(struct sock *sk, struct sk_buff *skb,
 	int paws_reject = 0;
 	struct tcp_options_received tmp_opt;
 	struct sock *child;
-	struct dst_entry *dst = inet_csk_route_req(sk, req);
 
-	tmp_opt.saw_tstamp = 0;
-	if (th->doff > (sizeof(struct tcphdr)>>2)) {
-		tcp_parse_options(skb, &tmp_opt, 0, dst);
+	if ((th->doff > (sizeof(struct tcphdr)>>2)) && (req->ts_recent)) {
+		tmp_opt.tstamp_ok = 1;
+		tcp_parse_options(skb, &tmp_opt, 1, NULL);
 
 		if (tmp_opt.saw_tstamp) {
 			tmp_opt.ts_recent = req->ts_recent;
@@ -517,8 +516,6 @@ struct sock *tcp_check_req(struct sock *sk, struct sk_buff *skb,
 		}
 	}
 
-	dst_release(dst);
-
 	/* Check for pure retransmitted SYN. */
 	if (TCP_SKB_CB(skb)->seq == tcp_rsk(req)->rcv_isn &&
 	    flg == TCP_FLAG_SYN &&
-- 
GitLab


From 6a2a2d6bf8581216e08be15fcb563cfd6c430e1e Mon Sep 17 00:00:00 2001
From: Gilad Ben-Yossef <gilad@codefidence.com>
Date: Wed, 4 Nov 2009 23:23:10 -0800
Subject: [PATCH 0919/1815] tcp: Use defaults when no route options are
 available

Trying to parse the option of a SYN packet that we have
no route entry for should just use global wide defaults
for route entry options.

Signed-off-by: Gilad Ben-Yossef <gilad@codefidence.com>
Tested-by: Valdis.Kletnieks@vt.edu
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/dst.h    | 2 +-
 net/ipv4/tcp_input.c | 2 --
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/include/net/dst.h b/include/net/dst.h
index 39c4a5963e1..387cb3cfde7 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -113,7 +113,7 @@ dst_metric(const struct dst_entry *dst, int metric)
 static inline u32
 dst_feature(const struct dst_entry *dst, u32 feature)
 {
-	return dst_metric(dst, RTAX_FEATURES) & feature;
+	return (dst ? dst_metric(dst, RTAX_FEATURES) & feature : 0);
 }
 
 static inline u32 dst_mtu(const struct dst_entry *dst)
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index ba0eab65fe8..be0c5bf7bfc 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -3704,8 +3704,6 @@ void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx,
 	struct tcphdr *th = tcp_hdr(skb);
 	int length = (th->doff * 4) - sizeof(struct tcphdr);
 
-	BUG_ON(!estab && !dst);
-
 	ptr = (unsigned char *)(th + 1);
 	opt_rx->saw_tstamp = 0;
 
-- 
GitLab


From 5ae27aa2b16478a84d833ab4065798e752941c5a Mon Sep 17 00:00:00 2001
From: Changli Gao <xiaosuo@gmail.com>
Date: Thu, 5 Nov 2009 14:51:31 +0100
Subject: [PATCH 0920/1815] netfilter: nf_conntrack: avoid additional compare.

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
---
 net/netfilter/nf_conntrack_core.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 7c9ec3dee96..8e572d7c08c 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -511,11 +511,17 @@ static noinline int early_drop(struct net *net, unsigned int hash)
 			cnt++;
 		}
 
-		if (ct && unlikely(nf_ct_is_dying(ct) ||
-				   !atomic_inc_not_zero(&ct->ct_general.use)))
-			ct = NULL;
-		if (ct || cnt >= NF_CT_EVICTION_RANGE)
+		if (ct != NULL) {
+			if (likely(!nf_ct_is_dying(ct) &&
+				   atomic_inc_not_zero(&ct->ct_general.use)))
+				break;
+			else
+				ct = NULL;
+		}
+
+		if (cnt >= NF_CT_EVICTION_RANGE)
 			break;
+
 		hash = (hash + 1) % nf_conntrack_htable_size;
 	}
 	rcu_read_unlock();
-- 
GitLab


From 76ac894080019c6619d3c3bf615db42a43a77f32 Mon Sep 17 00:00:00 2001
From: Hannes Eder <heder@google.com>
Date: Thu, 5 Nov 2009 15:51:19 +0100
Subject: [PATCH 0921/1815] netfilter: nf_nat_helper: tidy up
 adjust_tcp_sequence

The variable 'other_way' gets initialized but is not read afterwards,
so remove it.  Pass the right arguments to a pr_debug call.

While being at tidy up a bit and it fix this checkpatch warning:
  WARNING: suspect code indent for conditional statements

Signed-off-by: Hannes Eder <heder@google.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
---
 net/ipv4/netfilter/nf_nat_helper.c | 22 +++++++++-------------
 1 file changed, 9 insertions(+), 13 deletions(-)

diff --git a/net/ipv4/netfilter/nf_nat_helper.c b/net/ipv4/netfilter/nf_nat_helper.c
index 09172a65d9b..5bf6a92cc55 100644
--- a/net/ipv4/netfilter/nf_nat_helper.c
+++ b/net/ipv4/netfilter/nf_nat_helper.c
@@ -41,18 +41,14 @@ adjust_tcp_sequence(u32 seq,
 		    struct nf_conn *ct,
 		    enum ip_conntrack_info ctinfo)
 {
-	int dir;
-	struct nf_nat_seq *this_way, *other_way;
+	enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo);
 	struct nf_conn_nat *nat = nfct_nat(ct);
+	struct nf_nat_seq *this_way = &nat->seq[dir];
 
-	pr_debug("adjust_tcp_sequence: seq = %u, sizediff = %d\n", seq, seq);
-
-	dir = CTINFO2DIR(ctinfo);
-
-	this_way = &nat->seq[dir];
-	other_way = &nat->seq[!dir];
+	pr_debug("adjust_tcp_sequence: seq = %u, sizediff = %d\n",
+		 seq, sizediff);
 
-	pr_debug("nf_nat_resize_packet: Seq_offset before: ");
+	pr_debug("adjust_tcp_sequence: Seq_offset before: ");
 	DUMP_OFFSET(this_way);
 
 	spin_lock_bh(&nf_nat_seqofs_lock);
@@ -63,13 +59,13 @@ adjust_tcp_sequence(u32 seq,
 	 * retransmit */
 	if (this_way->offset_before == this_way->offset_after ||
 	    before(this_way->correction_pos, seq)) {
-		   this_way->correction_pos = seq;
-		   this_way->offset_before = this_way->offset_after;
-		   this_way->offset_after += sizediff;
+		this_way->correction_pos = seq;
+		this_way->offset_before = this_way->offset_after;
+		this_way->offset_after += sizediff;
 	}
 	spin_unlock_bh(&nf_nat_seqofs_lock);
 
-	pr_debug("nf_nat_resize_packet: Seq_offset after: ");
+	pr_debug("adjust_tcp_sequence: Seq_offset after: ");
 	DUMP_OFFSET(this_way);
 }
 
-- 
GitLab


From 18afb0a6fa69efb76b7a67a151c0530d63789141 Mon Sep 17 00:00:00 2001
From: Yaniv Rosner <yanivr@broadcom.com>
Date: Thu, 5 Nov 2009 19:18:04 +0200
Subject: [PATCH 0922/1815] bnx2x: Fix Parallel-Detect settings

Enable Parallel-Detect for 10G and 1G only if the relevant speed
capability is enabled

Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2x_link.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/drivers/net/bnx2x_link.c b/drivers/net/bnx2x_link.c
index e32d3370862..b5964cb7e76 100644
--- a/drivers/net/bnx2x_link.c
+++ b/drivers/net/bnx2x_link.c
@@ -1107,18 +1107,21 @@ static void bnx2x_set_parallel_detection(struct link_params *params,
 			      MDIO_REG_BANK_SERDES_DIGITAL,
 			      MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
 			      &control2);
-
-
-	control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
-
-
+	if (params->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
+		control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
+	else
+		control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
+	DP(NETIF_MSG_LINK, "params->speed_cap_mask = 0x%x, control2 = 0x%x\n",
+		params->speed_cap_mask, control2);
 	CL45_WR_OVER_CL22(bp, params->port,
 			      params->phy_addr,
 			      MDIO_REG_BANK_SERDES_DIGITAL,
 			      MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
 			      control2);
 
-	if (phy_flags & PHY_XGXS_FLAG) {
+	if ((phy_flags & PHY_XGXS_FLAG) &&
+	     (params->speed_cap_mask &
+		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
 		DP(NETIF_MSG_LINK, "XGXS\n");
 
 		CL45_WR_OVER_CL22(bp, params->port,
-- 
GitLab


From 7846e471b5b5cac5e09c8e6ebeb67e18279db8e3 Mon Sep 17 00:00:00 2001
From: Yaniv Rosner <yanivr@broadcom.com>
Date: Thu, 5 Nov 2009 19:18:07 +0200
Subject: [PATCH 0923/1815] bnx2x: Fix CL73 autoneg issues

- Advertise 1G KX4 in CL73 when 1G speed capability is enabled
- Add flow-control negotiation over CL73
- External loopback test on Serdes should be done in FORCE mode, since in
CL73 it is unable to link up with the same core using AUTONEG
- Fix bnx2x_set_led function to support CL73 link leds

Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2x_link.c | 132 +++++++++++++++++++++++++--------------
 drivers/net/bnx2x_link.h |   3 +-
 drivers/net/bnx2x_main.c |  16 ++---
 drivers/net/bnx2x_reg.h  |  18 ++++--
 4 files changed, 104 insertions(+), 65 deletions(-)

diff --git a/drivers/net/bnx2x_link.c b/drivers/net/bnx2x_link.c
index b5964cb7e76..eabdd1155a5 100644
--- a/drivers/net/bnx2x_link.c
+++ b/drivers/net/bnx2x_link.c
@@ -1228,7 +1228,7 @@ static void bnx2x_set_autoneg(struct link_params *params,
 				      params->phy_addr,
 				      MDIO_REG_BANK_CL73_USERB0,
 				    MDIO_CL73_USERB0_CL73_UCTRL,
-				    MDIO_CL73_USERB0_CL73_UCTRL_USTAT1_MUXSEL);
+				      0xe);
 
 		/* Enable BAM Station Manager*/
 		CL45_WR_OVER_CL22(bp, params->port,
@@ -1239,29 +1239,25 @@ static void bnx2x_set_autoneg(struct link_params *params,
 			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
 			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
 
-		/* Merge CL73 and CL37 aneg resolution */
-		CL45_RD_OVER_CL22(bp, params->port,
-				      params->phy_addr,
-				      MDIO_REG_BANK_CL73_USERB0,
-				      MDIO_CL73_USERB0_CL73_BAM_CTRL3,
-				      &reg_val);
-
-		if (params->speed_cap_mask &
-		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) {
-			/* Set the CL73 AN speed */
+		/* Advertise CL73 link speeds */
 			CL45_RD_OVER_CL22(bp, params->port,
 					      params->phy_addr,
 					      MDIO_REG_BANK_CL73_IEEEB1,
 					      MDIO_CL73_IEEEB1_AN_ADV2,
 					      &reg_val);
+		if (params->speed_cap_mask &
+		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
+			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
+		if (params->speed_cap_mask &
+		    PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
+			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
 
 			CL45_WR_OVER_CL22(bp, params->port,
 					      params->phy_addr,
 					      MDIO_REG_BANK_CL73_IEEEB1,
 					      MDIO_CL73_IEEEB1_AN_ADV2,
-			  reg_val | MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4);
+				      reg_val);
 
-		}
 		/* CL73 Autoneg Enabled */
 		reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
 
@@ -1389,12 +1385,23 @@ static void bnx2x_set_ieee_aneg_advertisment(struct link_params *params,
 					   u16 ieee_fc)
 {
 	struct bnx2x *bp = params->bp;
+	u16 val;
 	/* for AN, we are always publishing full duplex */
 
 	CL45_WR_OVER_CL22(bp, params->port,
 			      params->phy_addr,
 			      MDIO_REG_BANK_COMBO_IEEE0,
 			      MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
+	CL45_RD_OVER_CL22(bp, params->port,
+			      params->phy_addr,
+			      MDIO_REG_BANK_CL73_IEEEB1,
+			      MDIO_CL73_IEEEB1_AN_ADV1, &val);
+	val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
+	val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
+	CL45_WR_OVER_CL22(bp, params->port,
+			      params->phy_addr,
+			      MDIO_REG_BANK_CL73_IEEEB1,
+			      MDIO_CL73_IEEEB1_AN_ADV1, val);
 }
 
 static void bnx2x_restart_autoneg(struct link_params *params, u8 enable_cl73)
@@ -1630,21 +1637,49 @@ static void bnx2x_flow_ctrl_resolve(struct link_params *params,
 	    (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
 	    (XGXS_EXT_PHY_TYPE(params->ext_phy_config) ==
 	     PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)) {
-		CL45_RD_OVER_CL22(bp, params->port,
-				      params->phy_addr,
-				      MDIO_REG_BANK_COMBO_IEEE0,
-				      MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
-				      &ld_pause);
-		CL45_RD_OVER_CL22(bp, params->port,
-				      params->phy_addr,
-			MDIO_REG_BANK_COMBO_IEEE0,
-			MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
-			&lp_pause);
-		pause_result = (ld_pause &
+		if ((gp_status &
+		    (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
+		     MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
+		    (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
+		     MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
+
+			CL45_RD_OVER_CL22(bp, params->port,
+					      params->phy_addr,
+					      MDIO_REG_BANK_CL73_IEEEB1,
+					      MDIO_CL73_IEEEB1_AN_ADV1,
+					      &ld_pause);
+			CL45_RD_OVER_CL22(bp, params->port,
+					     params->phy_addr,
+					     MDIO_REG_BANK_CL73_IEEEB1,
+					     MDIO_CL73_IEEEB1_AN_LP_ADV1,
+					     &lp_pause);
+			pause_result = (ld_pause &
+					MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
+					>> 8;
+			pause_result |= (lp_pause &
+					MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
+					>> 10;
+			DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
+				 pause_result);
+		} else {
+
+			CL45_RD_OVER_CL22(bp, params->port,
+					      params->phy_addr,
+					      MDIO_REG_BANK_COMBO_IEEE0,
+					      MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
+					      &ld_pause);
+			CL45_RD_OVER_CL22(bp, params->port,
+			       params->phy_addr,
+			       MDIO_REG_BANK_COMBO_IEEE0,
+			       MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
+			       &lp_pause);
+			pause_result = (ld_pause &
 				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
-		pause_result |= (lp_pause &
+			pause_result |= (lp_pause &
 				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
-		DP(NETIF_MSG_LINK, "pause_result 0x%x\n", pause_result);
+			DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
+				 pause_result);
+		}
 		bnx2x_pause_resolve(vars, pause_result);
 	} else if ((params->req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) &&
 		   (bnx2x_ext_phy_resolve_fc(params, vars))) {
@@ -1990,8 +2025,7 @@ static u8 bnx2x_emac_program(struct link_params *params,
 		    GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
 		    mode);
 
-	bnx2x_set_led(bp, params->port, LED_MODE_OPER,
-		    line_speed, params->hw_led_mode, params->chip_id);
+	bnx2x_set_led(params, LED_MODE_OPER, line_speed);
 	return 0;
 }
 
@@ -3547,7 +3581,10 @@ static void bnx2x_init_internal_phy(struct link_params *params,
 			bnx2x_set_preemphasis(params);
 
 		/* forced speed requested? */
-		if (vars->line_speed != SPEED_AUTO_NEG) {
+		if (vars->line_speed != SPEED_AUTO_NEG ||
+		    ((XGXS_EXT_PHY_TYPE(params->ext_phy_config) ==
+		     PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
+			  params->loopback_mode == LOOPBACK_EXT)) {
 			DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
 
 			/* disable autoneg */
@@ -5731,13 +5768,15 @@ u8 bnx2x_override_led_value(struct bnx2x *bp, u8 port,
 }
 
 
-u8 bnx2x_set_led(struct bnx2x *bp, u8 port, u8 mode, u32 speed,
-	       u16 hw_led_mode, u32 chip_id)
+u8 bnx2x_set_led(struct link_params *params, u8 mode, u32 speed)
 {
+	u8 port = params->port;
+	u16 hw_led_mode = params->hw_led_mode;
 	u8 rc = 0;
 	u32 tmp;
 	u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
-
+	u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
+	struct bnx2x *bp = params->bp;
 	DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
 	DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
 		 speed, hw_led_mode);
@@ -5752,7 +5791,14 @@ u8 bnx2x_set_led(struct bnx2x *bp, u8 port, u8 mode, u32 speed,
 		break;
 
 	case LED_MODE_OPER:
-		REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
+		if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
+			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
+			REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
+		} else {
+			REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
+				   hw_led_mode);
+		}
+
 		REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 +
 			   port*4, 0);
 		/* Set blinking rate to ~15.9Hz */
@@ -5764,7 +5810,7 @@ u8 bnx2x_set_led(struct bnx2x *bp, u8 port, u8 mode, u32 speed,
 		EMAC_WR(bp, EMAC_REG_EMAC_LED,
 			    (tmp & (~EMAC_LED_OVERRIDE)));
 
-		if (!CHIP_IS_E1H(bp) &&
+		if (CHIP_IS_E1(bp) &&
 		    ((speed == SPEED_2500) ||
 		     (speed == SPEED_1000) ||
 		     (speed == SPEED_100) ||
@@ -6033,10 +6079,7 @@ u8 bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
 		REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE +
 			    params->port*4, 0);
 
-		bnx2x_set_led(bp, params->port, LED_MODE_OPER,
-			    vars->line_speed, params->hw_led_mode,
-			    params->chip_id);
-
+		bnx2x_set_led(params, LED_MODE_OPER, vars->line_speed);
 	} else
 	/* No loopback */
 	{
@@ -6094,8 +6137,6 @@ u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
 {
 	struct bnx2x *bp = params->bp;
 	u32 ext_phy_config = params->ext_phy_config;
-	u16 hw_led_mode = params->hw_led_mode;
-	u32 chip_id = params->chip_id;
 	u8 port = params->port;
 	u32 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
 	u32 val = REG_RD(bp, params->shmem_base +
@@ -6130,7 +6171,7 @@ u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
 	 * Hold it as vars low
 	 */
 	 /* clear link led */
-	bnx2x_set_led(bp, port, LED_MODE_OFF, 0, hw_led_mode, chip_id);
+	bnx2x_set_led(params, LED_MODE_OFF, 0);
 	if (reset_ext_phy) {
 		switch (ext_phy_type) {
 		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
@@ -6201,9 +6242,7 @@ static u8 bnx2x_update_link_down(struct link_params *params,
 	u8 port = params->port;
 
 	DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
-	bnx2x_set_led(bp, port, LED_MODE_OFF,
-		    0, params->hw_led_mode,
-		    params->chip_id);
+	bnx2x_set_led(params, LED_MODE_OFF, 0);
 
 	/* indicate no mac active */
 	vars->mac_type = MAC_TYPE_NONE;
@@ -6240,10 +6279,7 @@ static u8 bnx2x_update_link_up(struct link_params *params,
 	vars->link_status |= LINK_STATUS_LINK_UP;
 	if (link_10g) {
 		bnx2x_bmac_enable(params, vars, 0);
-		bnx2x_set_led(bp, port, LED_MODE_OPER,
-			    SPEED_10000, params->hw_led_mode,
-			    params->chip_id);
-
+		bnx2x_set_led(params, LED_MODE_OPER, SPEED_10000);
 	} else {
 		bnx2x_emac_enable(params, vars, 0);
 		rc = bnx2x_emac_program(params, vars->line_speed,
diff --git a/drivers/net/bnx2x_link.h b/drivers/net/bnx2x_link.h
index f3e252264e1..40c2981de8e 100644
--- a/drivers/net/bnx2x_link.h
+++ b/drivers/net/bnx2x_link.h
@@ -178,8 +178,7 @@ u8 bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
    Basically, the CLC takes care of the led for the link, but in case one needs
    to set/unset the led unnaturally, set the "mode" to LED_MODE_OPER to
    blink the led, and LED_MODE_OFF to set the led off.*/
-u8 bnx2x_set_led(struct bnx2x *bp, u8 port, u8 mode, u32 speed,
-	       u16 hw_led_mode, u32 chip_id);
+u8 bnx2x_set_led(struct link_params *params, u8 mode, u32 speed);
 #define LED_MODE_OFF	0
 #define LED_MODE_OPER 	2
 
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 59b58d8f0fa..6f16547a1b8 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -10855,7 +10855,6 @@ static void bnx2x_get_ethtool_stats(struct net_device *dev,
 static int bnx2x_phys_id(struct net_device *dev, u32 data)
 {
 	struct bnx2x *bp = netdev_priv(dev);
-	int port = BP_PORT(bp);
 	int i;
 
 	if (!netif_running(dev))
@@ -10869,13 +10868,10 @@ static int bnx2x_phys_id(struct net_device *dev, u32 data)
 
 	for (i = 0; i < (data * 2); i++) {
 		if ((i % 2) == 0)
-			bnx2x_set_led(bp, port, LED_MODE_OPER, SPEED_1000,
-				      bp->link_params.hw_led_mode,
-				      bp->link_params.chip_id);
+			bnx2x_set_led(&bp->link_params, LED_MODE_OPER,
+				      SPEED_1000);
 		else
-			bnx2x_set_led(bp, port, LED_MODE_OFF, 0,
-				      bp->link_params.hw_led_mode,
-				      bp->link_params.chip_id);
+			bnx2x_set_led(&bp->link_params, LED_MODE_OFF, 0);
 
 		msleep_interruptible(500);
 		if (signal_pending(current))
@@ -10883,10 +10879,8 @@ static int bnx2x_phys_id(struct net_device *dev, u32 data)
 	}
 
 	if (bp->link_vars.link_up)
-		bnx2x_set_led(bp, port, LED_MODE_OPER,
-			      bp->link_vars.line_speed,
-			      bp->link_params.hw_led_mode,
-			      bp->link_params.chip_id);
+		bnx2x_set_led(&bp->link_params, LED_MODE_OPER,
+			      bp->link_vars.line_speed);
 
 	return 0;
 }
diff --git a/drivers/net/bnx2x_reg.h b/drivers/net/bnx2x_reg.h
index aa76cbada5e..b80fde44c85 100644
--- a/drivers/net/bnx2x_reg.h
+++ b/drivers/net/bnx2x_reg.h
@@ -4772,18 +4772,28 @@
 #define PCI_ID_VAL2					0x438
 
 
-#define MDIO_REG_BANK_CL73_IEEEB0			0x0
-#define MDIO_CL73_IEEEB0_CL73_AN_CONTROL		0x0
+#define MDIO_REG_BANK_CL73_IEEEB0	0x0
+#define MDIO_CL73_IEEEB0_CL73_AN_CONTROL	0x0
 #define MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN	0x0200
 #define MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN		0x1000
 #define MDIO_CL73_IEEEB0_CL73_AN_CONTROL_MAIN_RST	0x8000
 
-#define MDIO_REG_BANK_CL73_IEEEB1			0x10
-#define MDIO_CL73_IEEEB1_AN_ADV2				0x01
+#define MDIO_REG_BANK_CL73_IEEEB1	0x10
+#define MDIO_CL73_IEEEB1_AN_ADV1		0x00
+#define MDIO_CL73_IEEEB1_AN_ADV1_PAUSE			0x0400
+#define MDIO_CL73_IEEEB1_AN_ADV1_ASYMMETRIC		0x0800
+#define MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH		0x0C00
+#define MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK		0x0C00
+#define MDIO_CL73_IEEEB1_AN_ADV2		0x01
 #define MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M		0x0000
 #define MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX		0x0020
 #define MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4		0x0040
 #define MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR		0x0080
+#define MDIO_CL73_IEEEB1_AN_LP_ADV1		0x03
+#define MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE		0x0400
+#define MDIO_CL73_IEEEB1_AN_LP_ADV1_ASYMMETRIC		0x0800
+#define MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_BOTH		0x0C00
+#define MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK		0x0C00
 
 #define MDIO_REG_BANK_RX0				0x80b0
 #define MDIO_RX0_RX_STATUS				0x10
-- 
GitLab


From d5cb9e997708bd48d2ed3dd926dad7a6fc83bf56 Mon Sep 17 00:00:00 2001
From: Yaniv Rosner <yanivr@broadcom.com>
Date: Thu, 5 Nov 2009 19:18:10 +0200
Subject: [PATCH 0924/1815] bnx2x: Miscellaneous debug print and tabs

Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2x_link.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/bnx2x_link.c b/drivers/net/bnx2x_link.c
index eabdd1155a5..bf1021ed5dd 100644
--- a/drivers/net/bnx2x_link.c
+++ b/drivers/net/bnx2x_link.c
@@ -1350,6 +1350,7 @@ static void bnx2x_set_brcm_cl37_advertisment(struct link_params *params)
 
 static void bnx2x_calc_ieee_aneg_adv(struct link_params *params, u16 *ieee_fc)
 {
+	struct bnx2x *bp = params->bp;
 	*ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
 	/* resolve pause mode and advertisement
 	 * Please refer to Table 28B-3 of the 802.3ab-1999 spec */
@@ -1379,6 +1380,7 @@ static void bnx2x_calc_ieee_aneg_adv(struct link_params *params, u16 *ieee_fc)
 		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
 		break;
 	}
+	DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
 }
 
 static void bnx2x_set_ieee_aneg_advertisment(struct link_params *params,
@@ -6143,7 +6145,7 @@ u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
 			     offsetof(struct shmem_region, dev_info.
 				      port_feature_config[params->port].
 				      config));
-
+	DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
 	/* disable attentions */
 	vars->link_status = 0;
 	bnx2x_update_mng(params, vars->link_status);
-- 
GitLab


From 15ddd2d0ef4849410a2251587b3652fe6a689fda Mon Sep 17 00:00:00 2001
From: Yaniv Rosner <yanivr@broadcom.com>
Date: Thu, 5 Nov 2009 19:18:12 +0200
Subject: [PATCH 0925/1815] bnx2x: Enable FC when parallel-detect is used

When parallel detect is used, flow-control is set to the
req_fc_auto_adv instead of none.

Motive: when 577xx is FC configuration is set to AUTO, while LP speed
is set to FORCE mode and FC to force RX/TX, link would come up using
parallel detect, and the FC will be set to NONE since FC capabilities
were not negotiated, although the LP is setting FC to force RX/TX.

Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2x_link.c | 37 +++++++++++++++++++++++++++++++++++++
 drivers/net/bnx2x_reg.h  |  4 ++++
 2 files changed, 41 insertions(+)

diff --git a/drivers/net/bnx2x_link.c b/drivers/net/bnx2x_link.c
index bf1021ed5dd..4c16a46f0ca 100644
--- a/drivers/net/bnx2x_link.c
+++ b/drivers/net/bnx2x_link.c
@@ -1621,6 +1621,39 @@ static u8 bnx2x_ext_phy_resolve_fc(struct link_params *params,
 	return ret;
 }
 
+static u8 bnx2x_direct_parallel_detect_used(struct link_params *params)
+{
+	struct bnx2x *bp = params->bp;
+	u16 pd_10g, status2_1000x;
+	CL45_RD_OVER_CL22(bp, params->port,
+			      params->phy_addr,
+			      MDIO_REG_BANK_SERDES_DIGITAL,
+			      MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
+			      &status2_1000x);
+	CL45_RD_OVER_CL22(bp, params->port,
+			      params->phy_addr,
+			      MDIO_REG_BANK_SERDES_DIGITAL,
+			      MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
+			      &status2_1000x);
+	if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
+		DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
+			 params->port);
+		return 1;
+	}
+
+	CL45_RD_OVER_CL22(bp, params->port,
+			      params->phy_addr,
+			      MDIO_REG_BANK_10G_PARALLEL_DETECT,
+			      MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
+			      &pd_10g);
+
+	if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
+		DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
+			 params->port);
+		return 1;
+	}
+	return 0;
+}
 
 static void bnx2x_flow_ctrl_resolve(struct link_params *params,
 				  struct link_vars *vars,
@@ -1639,6 +1672,10 @@ static void bnx2x_flow_ctrl_resolve(struct link_params *params,
 	    (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
 	    (XGXS_EXT_PHY_TYPE(params->ext_phy_config) ==
 	     PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)) {
+		if (bnx2x_direct_parallel_detect_used(params)) {
+			vars->flow_ctrl = params->req_fc_auto_adv;
+			return;
+		}
 		if ((gp_status &
 		    (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
 		     MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
diff --git a/drivers/net/bnx2x_reg.h b/drivers/net/bnx2x_reg.h
index b80fde44c85..4be9bab42f5 100644
--- a/drivers/net/bnx2x_reg.h
+++ b/drivers/net/bnx2x_reg.h
@@ -4920,6 +4920,8 @@
 
 
 #define MDIO_REG_BANK_10G_PARALLEL_DETECT		0x8130
+#define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS		0x10
+#define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK		0x8000
 #define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL		0x11
 #define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN	0x1
 #define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK		0x13
@@ -4944,6 +4946,8 @@
 #define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_1G			0x0010
 #define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_100M			0x0008
 #define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_10M			0x0000
+#define MDIO_SERDES_DIGITAL_A_1000X_STATUS2			0x15
+#define MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED 		0x0002
 #define MDIO_SERDES_DIGITAL_MISC1				0x18
 #define MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_MASK			0xE000
 #define MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_25M			0x0000
-- 
GitLab


From b5bbf0080e258383ecf67e57c7b46f4249878280 Mon Sep 17 00:00:00 2001
From: Yaniv Rosner <yanivr@broadcom.com>
Date: Thu, 5 Nov 2009 19:18:21 +0200
Subject: [PATCH 0926/1815] bnx2x: Modify BCM8706 link init seq

Modify BCM8706 link initialization sequence so that first it link up
between Serdes and BCM8706, and only then between BCM8706 to network

Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2x_link.c | 31 ++++++++++++++++++-------------
 1 file changed, 18 insertions(+), 13 deletions(-)

diff --git a/drivers/net/bnx2x_link.c b/drivers/net/bnx2x_link.c
index 4c16a46f0ca..b08ff77f1f9 100644
--- a/drivers/net/bnx2x_link.c
+++ b/drivers/net/bnx2x_link.c
@@ -1929,6 +1929,8 @@ static u8 bnx2x_link_settings_status(struct link_params *params,
 		     PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ||
 		    (XGXS_EXT_PHY_TYPE(params->ext_phy_config) ==
 		     PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
+		    (XGXS_EXT_PHY_TYPE(params->ext_phy_config) ==
+		     PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706) ||
 		    (XGXS_EXT_PHY_TYPE(params->ext_phy_config) ==
 		     PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726))) {
 			vars->autoneg = AUTO_NEG_ENABLED;
@@ -3772,19 +3774,6 @@ static u8 bnx2x_ext_phy_init(struct link_params *params, struct link_vars *vars)
 				}
 			}
 			/* Force speed */
-			/* First enable LASI */
-			bnx2x_cl45_write(bp, params->port,
-				       ext_phy_type,
-				       ext_phy_addr,
-				       MDIO_PMA_DEVAD,
-				       MDIO_PMA_REG_RX_ALARM_CTRL,
-				       0x0400);
-			bnx2x_cl45_write(bp, params->port,
-				       ext_phy_type,
-				       ext_phy_addr,
-				       MDIO_PMA_DEVAD,
-				       MDIO_PMA_REG_LASI_CTRL, 0x0004);
-
 			if (params->req_line_speed == SPEED_10000) {
 				DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
 
@@ -3794,6 +3783,9 @@ static u8 bnx2x_ext_phy_init(struct link_params *params, struct link_vars *vars)
 					       MDIO_PMA_DEVAD,
 					       MDIO_PMA_REG_DIGITAL_CTRL,
 					       0x400);
+				bnx2x_cl45_write(bp, params->port, ext_phy_type,
+					       ext_phy_addr, MDIO_PMA_DEVAD,
+					       MDIO_PMA_REG_LASI_CTRL, 1);
 			} else {
 				/* Force 1Gbps using autoneg with 1G
 				advertisment */
@@ -3835,6 +3827,17 @@ static u8 bnx2x_ext_phy_init(struct link_params *params, struct link_vars *vars)
 					       MDIO_AN_DEVAD,
 					       MDIO_AN_REG_CTRL,
 					       0x1200);
+				bnx2x_cl45_write(bp, params->port,
+					       ext_phy_type,
+					       ext_phy_addr,
+					       MDIO_PMA_DEVAD,
+					       MDIO_PMA_REG_RX_ALARM_CTRL,
+					       0x0400);
+				bnx2x_cl45_write(bp, params->port,
+					       ext_phy_type,
+					       ext_phy_addr,
+					       MDIO_PMA_DEVAD,
+					       MDIO_PMA_REG_LASI_CTRL, 0x0004);
 
 			}
 			bnx2x_save_bcm_spirom_ver(bp, params->port,
@@ -5952,6 +5955,7 @@ static u8 bnx2x_link_initialize(struct link_params *params,
 
 	if (non_ext_phy ||
 	    (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
+	    (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706) ||
 	    (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) ||
 	    (params->loopback_mode == LOOPBACK_EXT_PHY)) {
 		if (params->req_line_speed == SPEED_AUTO_NEG)
@@ -6421,6 +6425,7 @@ u8 bnx2x_link_update(struct link_params *params, struct link_vars *vars)
 
 	if ((ext_phy_type != PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT) &&
 	    (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) &&
+	    (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706) &&
 	    (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) &&
 	    (ext_phy_link_up && !vars->phy_link_up))
 		bnx2x_init_internal_phy(params, vars, 0);
-- 
GitLab


From 4f60dab113230943fb1bc7969053d9a1b6578339 Mon Sep 17 00:00:00 2001
From: Yaniv Rosner <yanivr@broadcom.com>
Date: Thu, 5 Nov 2009 19:18:23 +0200
Subject: [PATCH 0927/1815] bnx2x: Add support for BCM84823

Add support for new phy type BCM84823 (Dual copper-port phy)

Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2x_hsi.h  |  1 +
 drivers/net/bnx2x_link.c | 44 +++++++++++++++++++++++++++++++++++++---
 2 files changed, 42 insertions(+), 3 deletions(-)

diff --git a/drivers/net/bnx2x_hsi.h b/drivers/net/bnx2x_hsi.h
index dc2f8ed5fd0..52585338ada 100644
--- a/drivers/net/bnx2x_hsi.h
+++ b/drivers/net/bnx2x_hsi.h
@@ -264,6 +264,7 @@ struct port_hw_cfg {			    /* port 0: 0x12c  port 1: 0x2bc */
 #define PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101	    0x00000800
 #define PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727	    0x00000900
 #define PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC   0x00000a00
+#define PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823	    0x00000b00
 #define PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE	    0x0000fd00
 #define PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN	    0x0000ff00
 
diff --git a/drivers/net/bnx2x_link.c b/drivers/net/bnx2x_link.c
index b08ff77f1f9..7897fe13e61 100644
--- a/drivers/net/bnx2x_link.c
+++ b/drivers/net/bnx2x_link.c
@@ -2200,6 +2200,8 @@ static void bnx2x_ext_phy_reset(struct link_params *params,
 				       MDIO_PMA_REG_CTRL,
 				       1<<15);
 			break;
+		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
+			break;
 		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
 			DP(NETIF_MSG_LINK, "XGXS PHY Failure detected\n");
 			break;
@@ -4373,6 +4375,7 @@ static u8 bnx2x_ext_phy_init(struct link_params *params, struct link_vars *vars)
 			break;
 		}
 		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
+		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
 			/* This phy uses the NIG latch mechanism since link
 				indication arrives through its LED4 and not via
 				its LASI signal, so we get steady signal
@@ -4380,6 +4383,12 @@ static u8 bnx2x_ext_phy_init(struct link_params *params, struct link_vars *vars)
 			bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
 				    1 << NIG_LATCH_BC_ENABLE_MI_INT);
 
+			bnx2x_cl45_write(bp, params->port,
+				       PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
+				       ext_phy_addr,
+				       MDIO_PMA_DEVAD,
+				       MDIO_PMA_REG_CTRL, 0x0000);
+
 			bnx2x_8481_set_led4(params, ext_phy_type, ext_phy_addr);
 			if (params->req_line_speed == SPEED_AUTO_NEG) {
 
@@ -5230,6 +5239,7 @@ static u8 bnx2x_ext_phy_is_link_up(struct link_params *params,
 			}
 			break;
 		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
+		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
 			/* Check 10G-BaseT link status */
 			/* Check PMD signal ok */
 			bnx2x_cl45_read(bp, params->port, ext_phy_type,
@@ -5445,8 +5455,10 @@ static void bnx2x_link_int_ack(struct link_params *params,
 		     (NIG_STATUS_XGXS0_LINK10G |
 		      NIG_STATUS_XGXS0_LINK_STATUS |
 		      NIG_STATUS_SERDES0_LINK_STATUS));
-	if (XGXS_EXT_PHY_TYPE(params->ext_phy_config)
-	    == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481) {
+	if ((XGXS_EXT_PHY_TYPE(params->ext_phy_config)
+		== PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481) ||
+	(XGXS_EXT_PHY_TYPE(params->ext_phy_config)
+		== PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823)) {
 		bnx2x_8481_rearm_latch_signal(bp, port, is_mi_int);
 	}
 	if (vars->phy_link_up) {
@@ -5559,6 +5571,7 @@ u8 bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
 		status = bnx2x_format_ver(spirom_ver, version, len);
 		break;
 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
+	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
 		spirom_ver = ((spirom_ver & 0xF80) >> 7) << 16 |
 			(spirom_ver & 0x7F);
 		status = bnx2x_format_ver(spirom_ver, version, len);
@@ -6250,6 +6263,22 @@ u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
 			bnx2x_8726_reset_phy(bp, params->port, ext_phy_addr);
 			break;
 		}
+		case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
+		{
+			u8 ext_phy_addr =
+				XGXS_EXT_PHY_ADDR(params->ext_phy_config);
+			bnx2x_cl45_write(bp, port,
+				       PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
+				       ext_phy_addr,
+				       MDIO_AN_DEVAD,
+				       MDIO_AN_REG_CTRL, 0x0000);
+			bnx2x_cl45_write(bp, port,
+				       PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
+				       ext_phy_addr,
+				       MDIO_PMA_DEVAD,
+				       MDIO_PMA_REG_CTRL, 1);
+			break;
+		}
 		default:
 			/* HW reset */
 			bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
@@ -6661,6 +6690,13 @@ static u8 bnx2x_8726_common_init_phy(struct bnx2x *bp, u32 shmem_base)
 	return 0;
 }
 
+
+static u8 bnx2x_84823_common_init_phy(struct bnx2x *bp, u32 shmem_base)
+{
+	/* HW reset */
+	bnx2x_ext_phy_hw_reset(bp, 1);
+	return 0;
+}
 u8 bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base)
 {
 	u8 rc = 0;
@@ -6690,7 +6726,9 @@ u8 bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base)
 		/* GPIO1 affects both ports, so there's need to pull
 		it for single port alone */
 		rc = bnx2x_8726_common_init_phy(bp, shmem_base);
-
+		break;
+	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
+		rc = bnx2x_84823_common_init_phy(bp, shmem_base);
 		break;
 	default:
 		DP(NETIF_MSG_LINK,
-- 
GitLab


From 93f72884dd1622e443109abcd3e5e8f8cca0a6fe Mon Sep 17 00:00:00 2001
From: Yaniv Rosner <yanivr@broadcom.com>
Date: Thu, 5 Nov 2009 19:18:26 +0200
Subject: [PATCH 0928/1815] bnx2x: Fix BCM8726 ROM load seq

Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2x_link.c | 13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/drivers/net/bnx2x_link.c b/drivers/net/bnx2x_link.c
index 7897fe13e61..1b73c1d72fc 100644
--- a/drivers/net/bnx2x_link.c
+++ b/drivers/net/bnx2x_link.c
@@ -2592,16 +2592,11 @@ static void bnx2x_bcm8726_external_rom_boot(struct link_params *params)
 	/* Need to wait 100ms after reset */
 	msleep(100);
 
-	/* Set serial boot control for external load */
-	bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
-		       MDIO_PMA_DEVAD,
-		       MDIO_PMA_REG_MISC_CTRL1, 0x0001);
-
 	/* Micro controller re-boot */
 	bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
 		       MDIO_PMA_DEVAD,
 		       MDIO_PMA_REG_GEN_CTRL,
-		       MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
+		       0x018B);
 
 	/* Set soft reset */
 	bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
@@ -2609,14 +2604,10 @@ static void bnx2x_bcm8726_external_rom_boot(struct link_params *params)
 		       MDIO_PMA_REG_GEN_CTRL,
 		       MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
 
-	/* Set PLL register value to be same like in P13 ver */
 	bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
 		       MDIO_PMA_DEVAD,
-		       MDIO_PMA_REG_PLL_CTRL,
-		       0x73A0);
+		       MDIO_PMA_REG_MISC_CTRL1, 0x0001);
 
-	/* Clear soft reset.
-	Will automatically reset micro-controller re-boot */
 	bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
 		       MDIO_PMA_DEVAD,
 		       MDIO_PMA_REG_GEN_CTRL,
-- 
GitLab


From 46d15cc7a09d6a7f96908b2cd812744c483893b4 Mon Sep 17 00:00:00 2001
From: Yaniv Rosner <yanivr@broadcom.com>
Date: Thu, 5 Nov 2009 19:18:30 +0200
Subject: [PATCH 0929/1815] bnx2x: Fix 10G mode in BCM8481/BCM84823

Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2x_link.c | 38 ++++++++------------------------------
 drivers/net/bnx2x_reg.h  |  1 +
 2 files changed, 9 insertions(+), 30 deletions(-)

diff --git a/drivers/net/bnx2x_link.c b/drivers/net/bnx2x_link.c
index 1b73c1d72fc..d2c9e19bcd5 100644
--- a/drivers/net/bnx2x_link.c
+++ b/drivers/net/bnx2x_link.c
@@ -3533,8 +3533,8 @@ static void bnx2x_8481_set_10G_led_mode(struct link_params *params,
 		       MDIO_PMA_REG_8481_LINK_SIGNAL,
 		       &val1);
 	/* Set bit 2 to 0, and bits [1:0] to 10 */
-	val1 &= ~((1<<0) | (1<<2)); /* Clear bits 0,2*/
-	val1 |= (1<<1); /* Set bit 1 */
+	val1 &= ~((1<<0) | (1<<2) | (1<<7)); /* Clear bits 0,2,7*/
+	val1 |= ((1<<1) | (1<<6)); /* Set bit 1, 6 */
 
 	bnx2x_cl45_write(bp, params->port,
 		       ext_phy_type,
@@ -3568,36 +3568,19 @@ static void bnx2x_8481_set_10G_led_mode(struct link_params *params,
 		       MDIO_PMA_REG_8481_LED2_MASK,
 		       0);
 
-	/* LED3 (10G/1G/100/10G Activity) */
-	bnx2x_cl45_read(bp, params->port,
-		      ext_phy_type,
-		      ext_phy_addr,
-		      MDIO_PMA_DEVAD,
-		      MDIO_PMA_REG_8481_LINK_SIGNAL,
-		      &val1);
-	/* Enable blink based on source 4(Activity) */
-	val1 &= ~((1<<7) | (1<<8)); /* Clear bits 7,8 */
-	val1 |= (1<<6); /* Set only bit 6 */
+	/* Unmask LED3 for 10G link */
 	bnx2x_cl45_write(bp, params->port,
 		       ext_phy_type,
 		       ext_phy_addr,
 		       MDIO_PMA_DEVAD,
-		       MDIO_PMA_REG_8481_LINK_SIGNAL,
-		       val1);
-
-	bnx2x_cl45_read(bp, params->port,
-		      ext_phy_type,
-		      ext_phy_addr,
-		      MDIO_PMA_DEVAD,
 		      MDIO_PMA_REG_8481_LED3_MASK,
-		      &val1);
-	val1 |= (1<<4); /* Unmask LED3 for 10G link */
+		       0x6);
 	bnx2x_cl45_write(bp, params->port,
 		       ext_phy_type,
 		       ext_phy_addr,
 		       MDIO_PMA_DEVAD,
-		       MDIO_PMA_REG_8481_LED3_MASK,
-		       val1);
+		       MDIO_PMA_REG_8481_LED3_BLINK,
+		       0);
 }
 
 
@@ -4476,17 +4459,12 @@ static u8 bnx2x_ext_phy_init(struct link_params *params, struct link_vars *vars)
 				    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) {
 					DP(NETIF_MSG_LINK, "Advertising 10G\n");
 					/* Restart autoneg for 10G*/
-			bnx2x_cl45_read(bp, params->port,
-				      ext_phy_type,
-				      ext_phy_addr,
-				      MDIO_AN_DEVAD,
-				      MDIO_AN_REG_CTRL, &val);
-			val |= 0x200;
+
 			bnx2x_cl45_write(bp, params->port,
 				       ext_phy_type,
 				       ext_phy_addr,
 				       MDIO_AN_DEVAD,
-				       MDIO_AN_REG_CTRL, val);
+				       MDIO_AN_REG_CTRL, 0x3200);
 				}
 			} else {
 				/* Force speed */
diff --git a/drivers/net/bnx2x_reg.h b/drivers/net/bnx2x_reg.h
index 4be9bab42f5..b668173ffcb 100644
--- a/drivers/net/bnx2x_reg.h
+++ b/drivers/net/bnx2x_reg.h
@@ -5129,6 +5129,7 @@ Theotherbitsarereservedandshouldbezero*/
 #define MDIO_PMA_REG_8481_LED1_MASK	0xa82c
 #define MDIO_PMA_REG_8481_LED2_MASK	0xa82f
 #define MDIO_PMA_REG_8481_LED3_MASK	0xa832
+#define MDIO_PMA_REG_8481_LED3_BLINK	0xa834
 #define MDIO_PMA_REG_8481_SIGNAL_MASK	0xa835
 #define MDIO_PMA_REG_8481_LINK_SIGNAL	0xa83b
 
-- 
GitLab


From 0c786f0246951fdd9b206249aab9601fb788f9e4 Mon Sep 17 00:00:00 2001
From: Yaniv Rosner <yanivr@broadcom.com>
Date: Thu, 5 Nov 2009 19:18:32 +0200
Subject: [PATCH 0930/1815] bnx2x: Fix register access timeout in 10M

In BCM8481 when link speed goes from 1G to 10M, driver received timeout
since the MAC clock hasn't synced yet with the new speed, so it is required
first to program the MAC with the new speed, and only then configure other
parameters

Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2x_link.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/bnx2x_link.c b/drivers/net/bnx2x_link.c
index d2c9e19bcd5..41b9b7bd3d8 100644
--- a/drivers/net/bnx2x_link.c
+++ b/drivers/net/bnx2x_link.c
@@ -6322,10 +6322,11 @@ static u8 bnx2x_update_link_up(struct link_params *params,
 		bnx2x_bmac_enable(params, vars, 0);
 		bnx2x_set_led(params, LED_MODE_OPER, SPEED_10000);
 	} else {
-		bnx2x_emac_enable(params, vars, 0);
 		rc = bnx2x_emac_program(params, vars->line_speed,
 				      vars->duplex);
 
+		bnx2x_emac_enable(params, vars, 0);
+
 		/* AN complete? */
 		if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) {
 			if (!(vars->phy_flags &
-- 
GitLab


From 89794a6f3bf6db552b1ff4d2ad42fdd8739ac2a2 Mon Sep 17 00:00:00 2001
From: Yaniv Rosner <yanivr@broadcom.com>
Date: Thu, 5 Nov 2009 20:00:59 -0800
Subject: [PATCH 0931/1815] bnx2x: version 1.52.1-3

Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2x_main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 6f16547a1b8..61974b74909 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -56,8 +56,8 @@
 #include "bnx2x_init_ops.h"
 #include "bnx2x_dump.h"
 
-#define DRV_MODULE_VERSION	"1.52.1-1"
-#define DRV_MODULE_RELDATE	"2009/10/13"
+#define DRV_MODULE_VERSION	"1.52.1-3"
+#define DRV_MODULE_RELDATE	"2009/11/05"
 #define BNX2X_BC_VER		0x040200
 
 #include <linux/firmware.h>
-- 
GitLab


From 13f18aa05f5abe135f47b6417537ae2b2fedc18c Mon Sep 17 00:00:00 2001
From: Eric Paris <eparis@redhat.com>
Date: Thu, 5 Nov 2009 20:44:37 -0800
Subject: [PATCH 0932/1815] net: drop capability from protocol definitions

struct can_proto had a capability field which wasn't ever used.  It is
dropped entirely.

struct inet_protosw had a capability field which can be more clearly
expressed in the code by just checking if sock->type = SOCK_RAW.

Signed-off-by: Eric Paris <eparis@redhat.com>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/can/core.h | 2 --
 include/net/protocol.h   | 4 ----
 net/can/af_can.c         | 5 -----
 net/can/bcm.c            | 1 -
 net/can/raw.c            | 1 -
 net/dccp/ipv4.c          | 1 -
 net/dccp/ipv6.c          | 1 -
 net/ipv4/af_inet.c       | 5 +----
 net/ipv4/udplite.c       | 1 -
 net/ipv6/af_inet6.c      | 2 +-
 net/ipv6/raw.c           | 1 -
 net/ipv6/tcp_ipv6.c      | 1 -
 net/ipv6/udp.c           | 1 -
 net/ipv6/udplite.c       | 1 -
 net/sctp/ipv6.c          | 2 --
 net/sctp/protocol.c      | 2 --
 16 files changed, 2 insertions(+), 29 deletions(-)

diff --git a/include/linux/can/core.h b/include/linux/can/core.h
index 25085cbadcf..6c507bea275 100644
--- a/include/linux/can/core.h
+++ b/include/linux/can/core.h
@@ -32,14 +32,12 @@
  * struct can_proto - CAN protocol structure
  * @type:       type argument in socket() syscall, e.g. SOCK_DGRAM.
  * @protocol:   protocol number in socket() syscall.
- * @capability: capability needed to open the socket, or -1 for no restriction.
  * @ops:        pointer to struct proto_ops for sock->ops.
  * @prot:       pointer to struct proto structure.
  */
 struct can_proto {
 	int              type;
 	int              protocol;
-	int              capability;
 	struct proto_ops *ops;
 	struct proto     *prot;
 };
diff --git a/include/net/protocol.h b/include/net/protocol.h
index 89932d45da5..f1effdd3c26 100644
--- a/include/net/protocol.h
+++ b/include/net/protocol.h
@@ -82,10 +82,6 @@ struct inet_protosw {
 	struct proto	 *prot;
 	const struct proto_ops *ops;
   
-	int              capability; /* Which (if any) capability do
-				      * we need to use this socket
-				      * interface?
-                                      */
 	char             no_check;   /* checksum on rcv/xmit/none? */
 	unsigned char	 flags;      /* See INET_PROTOSW_* below.  */
 };
diff --git a/net/can/af_can.c b/net/can/af_can.c
index 3f2eb27e1ff..9c0426dc318 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -160,11 +160,6 @@ static int can_create(struct net *net, struct socket *sock, int protocol)
 		goto errout;
 	}
 
-	if (cp->capability >= 0 && !capable(cp->capability)) {
-		err = -EPERM;
-		goto errout;
-	}
-
 	sock->ops = cp->ops;
 
 	sk = sk_alloc(net, PF_CAN, GFP_KERNEL, cp->prot);
diff --git a/net/can/bcm.c b/net/can/bcm.c
index 2f47039c79d..67b5433db13 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -1576,7 +1576,6 @@ static struct proto bcm_proto __read_mostly = {
 static struct can_proto bcm_can_proto __read_mostly = {
 	.type       = SOCK_DGRAM,
 	.protocol   = CAN_BCM,
-	.capability = -1,
 	.ops        = &bcm_ops,
 	.prot       = &bcm_proto,
 };
diff --git a/net/can/raw.c b/net/can/raw.c
index 6e77db58b9e..abca920440b 100644
--- a/net/can/raw.c
+++ b/net/can/raw.c
@@ -742,7 +742,6 @@ static struct proto raw_proto __read_mostly = {
 static struct can_proto raw_can_proto __read_mostly = {
 	.type       = SOCK_RAW,
 	.protocol   = CAN_RAW,
-	.capability = -1,
 	.ops        = &raw_ops,
 	.prot       = &raw_proto,
 };
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index 00028d4b09d..2423a086673 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -991,7 +991,6 @@ static struct inet_protosw dccp_v4_protosw = {
 	.protocol	= IPPROTO_DCCP,
 	.prot		= &dccp_v4_prot,
 	.ops		= &inet_dccp_ops,
-	.capability	= -1,
 	.no_check	= 0,
 	.flags		= INET_PROTOSW_ICSK,
 };
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 6d89f9f7d5d..50ea91a7770 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -1185,7 +1185,6 @@ static struct inet_protosw dccp_v6_protosw = {
 	.protocol	= IPPROTO_DCCP,
 	.prot		= &dccp_v6_prot,
 	.ops		= &inet6_dccp_ops,
-	.capability	= -1,
 	.flags		= INET_PROTOSW_ICSK,
 };
 
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 538e84d0bcb..180ec4c9491 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -325,7 +325,7 @@ lookup_protocol:
 	}
 
 	err = -EPERM;
-	if (answer->capability > 0 && !capable(answer->capability))
+	if (sock->type == SOCK_RAW && !capable(CAP_NET_RAW))
 		goto out_rcu_unlock;
 
 	err = -EAFNOSUPPORT;
@@ -947,7 +947,6 @@ static struct inet_protosw inetsw_array[] =
 		.protocol =   IPPROTO_TCP,
 		.prot =       &tcp_prot,
 		.ops =        &inet_stream_ops,
-		.capability = -1,
 		.no_check =   0,
 		.flags =      INET_PROTOSW_PERMANENT |
 			      INET_PROTOSW_ICSK,
@@ -958,7 +957,6 @@ static struct inet_protosw inetsw_array[] =
 		.protocol =   IPPROTO_UDP,
 		.prot =       &udp_prot,
 		.ops =        &inet_dgram_ops,
-		.capability = -1,
 		.no_check =   UDP_CSUM_DEFAULT,
 		.flags =      INET_PROTOSW_PERMANENT,
        },
@@ -969,7 +967,6 @@ static struct inet_protosw inetsw_array[] =
 	       .protocol =   IPPROTO_IP,	/* wild card */
 	       .prot =       &raw_prot,
 	       .ops =        &inet_sockraw_ops,
-	       .capability = CAP_NET_RAW,
 	       .no_check =   UDP_CSUM_DEFAULT,
 	       .flags =      INET_PROTOSW_REUSE,
        }
diff --git a/net/ipv4/udplite.c b/net/ipv4/udplite.c
index 470c504b955..66f79513f4a 100644
--- a/net/ipv4/udplite.c
+++ b/net/ipv4/udplite.c
@@ -64,7 +64,6 @@ static struct inet_protosw udplite4_protosw = {
 	.protocol	=  IPPROTO_UDPLITE,
 	.prot		=  &udplite_prot,
 	.ops		=  &inet_dgram_ops,
-	.capability	= -1,
 	.no_check	=  0,		/* must checksum (RFC 3828) */
 	.flags		=  INET_PROTOSW_PERMANENT,
 };
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 9105b25defe..1b388935659 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -158,7 +158,7 @@ lookup_protocol:
 	}
 
 	err = -EPERM;
-	if (answer->capability > 0 && !capable(answer->capability))
+	if (sock->type == SOCK_RAW && !capable(CAP_NET_RAW))
 		goto out_rcu_unlock;
 
 	sock->ops = answer->ops;
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index cb834ab7f07..818ef21ba76 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -1336,7 +1336,6 @@ static struct inet_protosw rawv6_protosw = {
 	.protocol	= IPPROTO_IP,	/* wild card */
 	.prot		= &rawv6_prot,
 	.ops		= &inet6_sockraw_ops,
-	.capability	= CAP_NET_RAW,
 	.no_check	= UDP_CSUM_DEFAULT,
 	.flags		= INET_PROTOSW_REUSE,
 };
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 34925f089e0..696a22f034e 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -2112,7 +2112,6 @@ static struct inet_protosw tcpv6_protosw = {
 	.protocol	=	IPPROTO_TCP,
 	.prot		=	&tcpv6_prot,
 	.ops		=	&inet6_stream_ops,
-	.capability	=	-1,
 	.no_check	=	0,
 	.flags		=	INET_PROTOSW_PERMANENT |
 				INET_PROTOSW_ICSK,
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index d3b59d73f50..bbe2f3e445f 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1286,7 +1286,6 @@ static struct inet_protosw udpv6_protosw = {
 	.protocol =  IPPROTO_UDP,
 	.prot =      &udpv6_prot,
 	.ops =       &inet6_dgram_ops,
-	.capability =-1,
 	.no_check =  UDP_CSUM_DEFAULT,
 	.flags =     INET_PROTOSW_PERMANENT,
 };
diff --git a/net/ipv6/udplite.c b/net/ipv6/udplite.c
index d737a27ee01..6ea6938919e 100644
--- a/net/ipv6/udplite.c
+++ b/net/ipv6/udplite.c
@@ -62,7 +62,6 @@ static struct inet_protosw udplite6_protosw = {
 	.protocol	= IPPROTO_UDPLITE,
 	.prot		= &udplitev6_prot,
 	.ops		= &inet6_dgram_ops,
-	.capability	= -1,
 	.no_check	= 0,
 	.flags		= INET_PROTOSW_PERMANENT,
 };
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index bb280e60e00..bacd6a7318b 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -930,7 +930,6 @@ static struct inet_protosw sctpv6_seqpacket_protosw = {
 	.protocol      = IPPROTO_SCTP,
 	.prot 	       = &sctpv6_prot,
 	.ops           = &inet6_seqpacket_ops,
-	.capability    = -1,
 	.no_check      = 0,
 	.flags         = SCTP_PROTOSW_FLAG
 };
@@ -939,7 +938,6 @@ static struct inet_protosw sctpv6_stream_protosw = {
 	.protocol      = IPPROTO_SCTP,
 	.prot 	       = &sctpv6_prot,
 	.ops           = &inet6_seqpacket_ops,
-	.capability    = -1,
 	.no_check      = 0,
 	.flags         = SCTP_PROTOSW_FLAG,
 };
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index fe44c57101d..08ef203d36a 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -909,7 +909,6 @@ static struct inet_protosw sctp_seqpacket_protosw = {
 	.protocol   = IPPROTO_SCTP,
 	.prot       = &sctp_prot,
 	.ops        = &inet_seqpacket_ops,
-	.capability = -1,
 	.no_check   = 0,
 	.flags      = SCTP_PROTOSW_FLAG
 };
@@ -918,7 +917,6 @@ static struct inet_protosw sctp_stream_protosw = {
 	.protocol   = IPPROTO_SCTP,
 	.prot       = &sctp_prot,
 	.ops        = &inet_seqpacket_ops,
-	.capability = -1,
 	.no_check   = 0,
 	.flags      = SCTP_PROTOSW_FLAG
 };
-- 
GitLab


From 3f378b684453f2a028eda463ce383370545d9cc9 Mon Sep 17 00:00:00 2001
From: Eric Paris <eparis@redhat.com>
Date: Thu, 5 Nov 2009 22:18:14 -0800
Subject: [PATCH 0933/1815] net: pass kern to net_proto_family create function

The generic __sock_create function has a kern argument which allows the
security system to make decisions based on if a socket is being created by
the kernel or by userspace.  This patch passes that flag to the
net_proto_family specific create function, so it can do the same thing.

Signed-off-by: Eric Paris <eparis@redhat.com>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/isdn/mISDN/socket.c    | 2 +-
 drivers/net/pppox.c            | 3 ++-
 include/linux/net.h            | 3 ++-
 net/appletalk/ddp.c            | 3 ++-
 net/atm/pvc.c                  | 3 ++-
 net/atm/svc.c                  | 7 ++++---
 net/ax25/af_ax25.c             | 3 ++-
 net/bluetooth/af_bluetooth.c   | 5 +++--
 net/bluetooth/bnep/sock.c      | 3 ++-
 net/bluetooth/cmtp/sock.c      | 3 ++-
 net/bluetooth/hci_sock.c       | 3 ++-
 net/bluetooth/hidp/sock.c      | 3 ++-
 net/bluetooth/l2cap.c          | 3 ++-
 net/bluetooth/rfcomm/sock.c    | 3 ++-
 net/bluetooth/sco.c            | 3 ++-
 net/can/af_can.c               | 3 ++-
 net/decnet/af_decnet.c         | 3 ++-
 net/econet/af_econet.c         | 3 ++-
 net/ieee802154/af_ieee802154.c | 2 +-
 net/ipv4/af_inet.c             | 3 ++-
 net/ipv6/af_inet6.c            | 3 ++-
 net/ipx/af_ipx.c               | 3 ++-
 net/irda/af_irda.c             | 7 ++++---
 net/iucv/af_iucv.c             | 3 ++-
 net/key/af_key.c               | 3 ++-
 net/llc/af_llc.c               | 5 ++++-
 net/netlink/af_netlink.c       | 3 ++-
 net/netrom/af_netrom.c         | 3 ++-
 net/packet/af_packet.c         | 3 ++-
 net/phonet/af_phonet.c         | 3 ++-
 net/rds/af_rds.c               | 3 ++-
 net/rose/af_rose.c             | 3 ++-
 net/rxrpc/af_rxrpc.c           | 3 ++-
 net/socket.c                   | 2 +-
 net/tipc/socket.c              | 6 ++++--
 net/unix/af_unix.c             | 3 ++-
 net/x25/af_x25.c               | 3 ++-
 37 files changed, 80 insertions(+), 43 deletions(-)

diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c
index 28182ed8dea..fcfe17a19a6 100644
--- a/drivers/isdn/mISDN/socket.c
+++ b/drivers/isdn/mISDN/socket.c
@@ -779,7 +779,7 @@ base_sock_create(struct net *net, struct socket *sock, int protocol)
 }
 
 static int
-mISDN_sock_create(struct net *net, struct socket *sock, int proto)
+mISDN_sock_create(struct net *net, struct socket *sock, int proto, int kern)
 {
 	int err = -EPROTONOSUPPORT;
 
diff --git a/drivers/net/pppox.c b/drivers/net/pppox.c
index c14ee24c05a..ac806b27c65 100644
--- a/drivers/net/pppox.c
+++ b/drivers/net/pppox.c
@@ -104,7 +104,8 @@ int pppox_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 
 EXPORT_SYMBOL(pppox_ioctl);
 
-static int pppox_create(struct net *net, struct socket *sock, int protocol)
+static int pppox_create(struct net *net, struct socket *sock, int protocol,
+			int kern)
 {
 	int rc = -EPROTOTYPE;
 
diff --git a/include/linux/net.h b/include/linux/net.h
index 4da9d571b05..70ee3c310f1 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -204,7 +204,8 @@ struct proto_ops {
 
 struct net_proto_family {
 	int		family;
-	int		(*create)(struct net *net, struct socket *sock, int protocol);
+	int		(*create)(struct net *net, struct socket *sock,
+				  int protocol, int kern);
 	struct module	*owner;
 };
 
diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index abe38014b7f..4b0ce2e2b46 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -1021,7 +1021,8 @@ static struct proto ddp_proto = {
  * Create a socket. Initialise the socket, blank the addresses
  * set the state.
  */
-static int atalk_create(struct net *net, struct socket *sock, int protocol)
+static int atalk_create(struct net *net, struct socket *sock, int protocol,
+			int kern)
 {
 	struct sock *sk;
 	int rc = -ESOCKTNOSUPPORT;
diff --git a/net/atm/pvc.c b/net/atm/pvc.c
index a6e1fdbae87..8d74e62b0d7 100644
--- a/net/atm/pvc.c
+++ b/net/atm/pvc.c
@@ -127,7 +127,8 @@ static const struct proto_ops pvc_proto_ops = {
 };
 
 
-static int pvc_create(struct net *net, struct socket *sock,int protocol)
+static int pvc_create(struct net *net, struct socket *sock, int protocol,
+		      int kern)
 {
 	if (net != &init_net)
 		return -EAFNOSUPPORT;
diff --git a/net/atm/svc.c b/net/atm/svc.c
index 81935423331..c7395070ee7 100644
--- a/net/atm/svc.c
+++ b/net/atm/svc.c
@@ -25,7 +25,7 @@
 #include "signaling.h"
 #include "addr.h"
 
-static int svc_create(struct net *net, struct socket *sock,int protocol);
+static int svc_create(struct net *net, struct socket *sock, int protocol, int kern);
 
 /*
  * Note: since all this is still nicely synchronized with the signaling demon,
@@ -330,7 +330,7 @@ static int svc_accept(struct socket *sock,struct socket *newsock,int flags)
 
 	lock_sock(sk);
 
-	error = svc_create(sock_net(sk), newsock,0);
+	error = svc_create(sock_net(sk), newsock, 0, 0);
 	if (error)
 		goto out;
 
@@ -650,7 +650,8 @@ static const struct proto_ops svc_proto_ops = {
 };
 
 
-static int svc_create(struct net *net, struct socket *sock,int protocol)
+static int svc_create(struct net *net, struct socket *sock, int protocol,
+		      int kern)
 {
 	int error;
 
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index f1e998b2796..d6ddfa4c447 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -799,7 +799,8 @@ static struct proto ax25_proto = {
 	.obj_size = sizeof(struct sock),
 };
 
-static int ax25_create(struct net *net, struct socket *sock, int protocol)
+static int ax25_create(struct net *net, struct socket *sock, int protocol,
+		       int kern)
 {
 	struct sock *sk;
 	ax25_cb *ax25;
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index 399e59c9c6c..087cc51f592 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -126,7 +126,8 @@ int bt_sock_unregister(int proto)
 }
 EXPORT_SYMBOL(bt_sock_unregister);
 
-static int bt_sock_create(struct net *net, struct socket *sock, int proto)
+static int bt_sock_create(struct net *net, struct socket *sock, int proto,
+			  int kern)
 {
 	int err;
 
@@ -144,7 +145,7 @@ static int bt_sock_create(struct net *net, struct socket *sock, int proto)
 	read_lock(&bt_proto_lock);
 
 	if (bt_proto[proto] && try_module_get(bt_proto[proto]->owner)) {
-		err = bt_proto[proto]->create(net, sock, proto);
+		err = bt_proto[proto]->create(net, sock, proto, kern);
 		bt_sock_reclassify_lock(sock, proto);
 		module_put(bt_proto[proto]->owner);
 	}
diff --git a/net/bluetooth/bnep/sock.c b/net/bluetooth/bnep/sock.c
index 0a2c5460bb4..2ff6ac7b2ed 100644
--- a/net/bluetooth/bnep/sock.c
+++ b/net/bluetooth/bnep/sock.c
@@ -195,7 +195,8 @@ static struct proto bnep_proto = {
 	.obj_size	= sizeof(struct bt_sock)
 };
 
-static int bnep_sock_create(struct net *net, struct socket *sock, int protocol)
+static int bnep_sock_create(struct net *net, struct socket *sock, int protocol,
+			    int kern)
 {
 	struct sock *sk;
 
diff --git a/net/bluetooth/cmtp/sock.c b/net/bluetooth/cmtp/sock.c
index de7c8040bc5..978cc3a718a 100644
--- a/net/bluetooth/cmtp/sock.c
+++ b/net/bluetooth/cmtp/sock.c
@@ -190,7 +190,8 @@ static struct proto cmtp_proto = {
 	.obj_size	= sizeof(struct bt_sock)
 };
 
-static int cmtp_sock_create(struct net *net, struct socket *sock, int protocol)
+static int cmtp_sock_create(struct net *net, struct socket *sock, int protocol,
+			    int kern)
 {
 	struct sock *sk;
 
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index e7395f23198..1ca5c7ca9bd 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -621,7 +621,8 @@ static struct proto hci_sk_proto = {
 	.obj_size	= sizeof(struct hci_pinfo)
 };
 
-static int hci_sock_create(struct net *net, struct socket *sock, int protocol)
+static int hci_sock_create(struct net *net, struct socket *sock, int protocol,
+			   int kern)
 {
 	struct sock *sk;
 
diff --git a/net/bluetooth/hidp/sock.c b/net/bluetooth/hidp/sock.c
index 4beb6a7a295..9cfef68b9fe 100644
--- a/net/bluetooth/hidp/sock.c
+++ b/net/bluetooth/hidp/sock.c
@@ -241,7 +241,8 @@ static struct proto hidp_proto = {
 	.obj_size	= sizeof(struct bt_sock)
 };
 
-static int hidp_sock_create(struct net *net, struct socket *sock, int protocol)
+static int hidp_sock_create(struct net *net, struct socket *sock, int protocol,
+			    int kern)
 {
 	struct sock *sk;
 
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index d65101d92ee..365ae161d70 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -819,7 +819,8 @@ static struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock, int p
 	return sk;
 }
 
-static int l2cap_sock_create(struct net *net, struct socket *sock, int protocol)
+static int l2cap_sock_create(struct net *net, struct socket *sock, int protocol,
+			     int kern)
 {
 	struct sock *sk;
 
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index d3bfc1b0afb..4b5968dda67 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -323,7 +323,8 @@ static struct sock *rfcomm_sock_alloc(struct net *net, struct socket *sock, int
 	return sk;
 }
 
-static int rfcomm_sock_create(struct net *net, struct socket *sock, int protocol)
+static int rfcomm_sock_create(struct net *net, struct socket *sock,
+			      int protocol, int kern)
 {
 	struct sock *sk;
 
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 694a65541b7..dd8f6ec57dc 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -430,7 +430,8 @@ static struct sock *sco_sock_alloc(struct net *net, struct socket *sock, int pro
 	return sk;
 }
 
-static int sco_sock_create(struct net *net, struct socket *sock, int protocol)
+static int sco_sock_create(struct net *net, struct socket *sock, int protocol,
+			   int kern)
 {
 	struct sock *sk;
 
diff --git a/net/can/af_can.c b/net/can/af_can.c
index 9c0426dc318..833bd838edc 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -114,7 +114,8 @@ static void can_sock_destruct(struct sock *sk)
 	skb_queue_purge(&sk->sk_receive_queue);
 }
 
-static int can_create(struct net *net, struct socket *sock, int protocol)
+static int can_create(struct net *net, struct socket *sock, int protocol,
+		      int kern)
 {
 	struct sock *sk;
 	struct can_proto *cp;
diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index 2e355841ca9..9ade3a6de95 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -675,7 +675,8 @@ char *dn_addr2asc(__u16 addr, char *buf)
 
 
 
-static int dn_create(struct net *net, struct socket *sock, int protocol)
+static int dn_create(struct net *net, struct socket *sock, int protocol,
+		     int kern)
 {
 	struct sock *sk;
 
diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c
index 5e9426a11c3..596679803de 100644
--- a/net/econet/af_econet.c
+++ b/net/econet/af_econet.c
@@ -605,7 +605,8 @@ static struct proto econet_proto = {
  *	Create an Econet socket
  */
 
-static int econet_create(struct net *net, struct socket *sock, int protocol)
+static int econet_create(struct net *net, struct socket *sock, int protocol,
+			 int kern)
 {
 	struct sock *sk;
 	struct econet_sock *eo;
diff --git a/net/ieee802154/af_ieee802154.c b/net/ieee802154/af_ieee802154.c
index 309348fba72..de6e34d2a7f 100644
--- a/net/ieee802154/af_ieee802154.c
+++ b/net/ieee802154/af_ieee802154.c
@@ -234,7 +234,7 @@ static const struct proto_ops ieee802154_dgram_ops = {
  * set the state.
  */
 static int ieee802154_create(struct net *net, struct socket *sock,
-		int protocol)
+			     int protocol, int kern)
 {
 	struct sock *sk;
 	int rc;
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 180ec4c9491..5c7e42c02af 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -262,7 +262,8 @@ static inline int inet_netns_ok(struct net *net, int protocol)
  *	Create an inet socket.
  */
 
-static int inet_create(struct net *net, struct socket *sock, int protocol)
+static int inet_create(struct net *net, struct socket *sock, int protocol,
+		       int kern)
 {
 	struct sock *sk;
 	struct inet_protosw *answer;
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 1b388935659..45ed5e05ab3 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -95,7 +95,8 @@ static __inline__ struct ipv6_pinfo *inet6_sk_generic(struct sock *sk)
 	return (struct ipv6_pinfo *)(((u8 *)sk) + offset);
 }
 
-static int inet6_create(struct net *net, struct socket *sock, int protocol)
+static int inet6_create(struct net *net, struct socket *sock, int protocol,
+			int kern)
 {
 	struct inet_sock *inet;
 	struct ipv6_pinfo *np;
diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c
index 6481ee4bdf7..96d193a2441 100644
--- a/net/ipx/af_ipx.c
+++ b/net/ipx/af_ipx.c
@@ -1352,7 +1352,8 @@ static struct proto ipx_proto = {
 	.obj_size = sizeof(struct ipx_sock),
 };
 
-static int ipx_create(struct net *net, struct socket *sock, int protocol)
+static int ipx_create(struct net *net, struct socket *sock, int protocol,
+		      int kern)
 {
 	int rc = -ESOCKTNOSUPPORT;
 	struct sock *sk;
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index 9429e4002bc..e73a0016c0a 100644
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -61,7 +61,7 @@
 
 #include <net/irda/af_irda.h>
 
-static int irda_create(struct net *net, struct socket *sock, int protocol);
+static int irda_create(struct net *net, struct socket *sock, int protocol, int kern);
 
 static const struct proto_ops irda_stream_ops;
 static const struct proto_ops irda_seqpacket_ops;
@@ -839,7 +839,7 @@ static int irda_accept(struct socket *sock, struct socket *newsock, int flags)
 
 	IRDA_DEBUG(2, "%s()\n", __func__);
 
-	err = irda_create(sock_net(sk), newsock, sk->sk_protocol);
+	err = irda_create(sock_net(sk), newsock, sk->sk_protocol, 0);
 	if (err)
 		return err;
 
@@ -1062,7 +1062,8 @@ static struct proto irda_proto = {
  *    Create IrDA socket
  *
  */
-static int irda_create(struct net *net, struct socket *sock, int protocol)
+static int irda_create(struct net *net, struct socket *sock, int protocol,
+		       int kern)
 {
 	struct sock *sk;
 	struct irda_sock *self;
diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index 3aebabb158a..1e428863574 100644
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -481,7 +481,8 @@ static struct sock *iucv_sock_alloc(struct socket *sock, int proto, gfp_t prio)
 }
 
 /* Create an IUCV socket */
-static int iucv_sock_create(struct net *net, struct socket *sock, int protocol)
+static int iucv_sock_create(struct net *net, struct socket *sock, int protocol,
+			    int kern)
 {
 	struct sock *sk;
 
diff --git a/net/key/af_key.c b/net/key/af_key.c
index 472f6594184..86b2c22d091 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -177,7 +177,8 @@ static struct proto key_proto = {
 	.obj_size = sizeof(struct pfkey_sock),
 };
 
-static int pfkey_create(struct net *net, struct socket *sock, int protocol)
+static int pfkey_create(struct net *net, struct socket *sock, int protocol,
+			int kern)
 {
 	struct netns_pfkey *net_pfkey = net_generic(net, pfkey_net_id);
 	struct sock *sk;
diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index 4866b4fb0c2..5266c286b26 100644
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -140,14 +140,17 @@ static struct proto llc_proto = {
 
 /**
  *	llc_ui_create - alloc and init a new llc_ui socket
+ *	@net: network namespace (must be default network)
  *	@sock: Socket to initialize and attach allocated sk to.
  *	@protocol: Unused.
+ *	@kern: on behalf of kernel or userspace
  *
  *	Allocate and initialize a new llc_ui socket, validate the user wants a
  *	socket type we have available.
  *	Returns 0 upon success, negative upon failure.
  */
-static int llc_ui_create(struct net *net, struct socket *sock, int protocol)
+static int llc_ui_create(struct net *net, struct socket *sock, int protocol,
+			 int kern)
 {
 	struct sock *sk;
 	int rc = -ESOCKTNOSUPPORT;
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 0cd2d882931..aea805c98da 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -428,7 +428,8 @@ static int __netlink_create(struct net *net, struct socket *sock,
 	return 0;
 }
 
-static int netlink_create(struct net *net, struct socket *sock, int protocol)
+static int netlink_create(struct net *net, struct socket *sock, int protocol,
+			  int kern)
 {
 	struct module *module = NULL;
 	struct mutex *cb_mutex;
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index 281fa597cae..4bdd5697f63 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -425,7 +425,8 @@ static struct proto nr_proto = {
 	.obj_size = sizeof(struct nr_sock),
 };
 
-static int nr_create(struct net *net, struct socket *sock, int protocol)
+static int nr_create(struct net *net, struct socket *sock, int protocol,
+		     int kern)
 {
 	struct sock *sk;
 	struct nr_sock *nr;
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 91d246d3478..3304caa6534 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1344,7 +1344,8 @@ static struct proto packet_proto = {
  *	Create a packet of type SOCK_PACKET.
  */
 
-static int packet_create(struct net *net, struct socket *sock, int protocol)
+static int packet_create(struct net *net, struct socket *sock, int protocol,
+			 int kern)
 {
 	struct sock *sk;
 	struct packet_sock *po;
diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c
index 66737aa995e..3bd1be6b26f 100644
--- a/net/phonet/af_phonet.c
+++ b/net/phonet/af_phonet.c
@@ -60,7 +60,8 @@ static inline void phonet_proto_put(struct phonet_protocol *pp)
 
 /* protocol family functions */
 
-static int pn_socket_create(struct net *net, struct socket *sock, int protocol)
+static int pn_socket_create(struct net *net, struct socket *sock, int protocol,
+			    int kern)
 {
 	struct sock *sk;
 	struct pn_sock *pn;
diff --git a/net/rds/af_rds.c b/net/rds/af_rds.c
index 2b978dc6e75..e25d8d5ce8d 100644
--- a/net/rds/af_rds.c
+++ b/net/rds/af_rds.c
@@ -410,7 +410,8 @@ static int __rds_create(struct socket *sock, struct sock *sk, int protocol)
 	return 0;
 }
 
-static int rds_create(struct net *net, struct socket *sock, int protocol)
+static int rds_create(struct net *net, struct socket *sock, int protocol,
+		      int kern)
 {
 	struct sock *sk;
 
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index c17734c2ce8..4de4287fec3 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -512,7 +512,8 @@ static struct proto rose_proto = {
 	.obj_size = sizeof(struct rose_sock),
 };
 
-static int rose_create(struct net *net, struct socket *sock, int protocol)
+static int rose_create(struct net *net, struct socket *sock, int protocol,
+		       int kern)
 {
 	struct sock *sk;
 	struct rose_sock *rose;
diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c
index 6817c9781ef..f978d02a248 100644
--- a/net/rxrpc/af_rxrpc.c
+++ b/net/rxrpc/af_rxrpc.c
@@ -608,7 +608,8 @@ static unsigned int rxrpc_poll(struct file *file, struct socket *sock,
 /*
  * create an RxRPC socket
  */
-static int rxrpc_create(struct net *net, struct socket *sock, int protocol)
+static int rxrpc_create(struct net *net, struct socket *sock, int protocol,
+			int kern)
 {
 	struct rxrpc_sock *rx;
 	struct sock *sk;
diff --git a/net/socket.c b/net/socket.c
index 9dff31c9b79..4f3e0f0c156 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -1252,7 +1252,7 @@ static int __sock_create(struct net *net, int family, int type, int protocol,
 	/* Now protected by module ref count */
 	rcu_read_unlock();
 
-	err = pf->create(net, sock, protocol);
+	err = pf->create(net, sock, protocol, kern);
 	if (err < 0)
 		goto out_module_put;
 
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index e6d9abf7440..d00c2119faf 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -177,6 +177,7 @@ static void reject_rx_queue(struct sock *sk)
  * @net: network namespace (must be default network)
  * @sock: pre-allocated socket structure
  * @protocol: protocol indicator (must be 0)
+ * @kern: caused by kernel or by userspace?
  *
  * This routine creates additional data structures used by the TIPC socket,
  * initializes them, and links them together.
@@ -184,7 +185,8 @@ static void reject_rx_queue(struct sock *sk)
  * Returns 0 on success, errno otherwise
  */
 
-static int tipc_create(struct net *net, struct socket *sock, int protocol)
+static int tipc_create(struct net *net, struct socket *sock, int protocol,
+		       int kern)
 {
 	const struct proto_ops *ops;
 	socket_state state;
@@ -1528,7 +1530,7 @@ static int accept(struct socket *sock, struct socket *new_sock, int flags)
 
 	buf = skb_peek(&sk->sk_receive_queue);
 
-	res = tipc_create(sock_net(sock->sk), new_sock, 0);
+	res = tipc_create(sock_net(sock->sk), new_sock, 0, 0);
 	if (!res) {
 		struct sock *new_sk = new_sock->sk;
 		struct tipc_sock *new_tsock = tipc_sk(new_sk);
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 3291902f0b8..178d3af2a60 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -621,7 +621,8 @@ out:
 	return sk;
 }
 
-static int unix_create(struct net *net, struct socket *sock, int protocol)
+static int unix_create(struct net *net, struct socket *sock, int protocol,
+		       int kern)
 {
 	if (protocol && protocol != PF_UNIX)
 		return -EPROTONOSUPPORT;
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index e19d811788a..38e235f61e2 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -501,7 +501,8 @@ out:
 	return sk;
 }
 
-static int x25_create(struct net *net, struct socket *sock, int protocol)
+static int x25_create(struct net *net, struct socket *sock, int protocol,
+		      int kern)
 {
 	struct sock *sk;
 	struct x25_sock *x25;
-- 
GitLab


From c84b3268da3b85c9d8a9e504e1001a14ed829e94 Mon Sep 17 00:00:00 2001
From: Eric Paris <eparis@redhat.com>
Date: Thu, 5 Nov 2009 20:45:52 -0800
Subject: [PATCH 0934/1815] net: check kern before calling security subsystem

Before calling capable(CAP_NET_RAW) check if this operations is on behalf
of the kernel or on behalf of userspace.  Do not do the security check if
it is on behalf of the kernel.

Signed-off-by: Eric Paris <eparis@redhat.com>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/bluetooth/l2cap.c | 2 +-
 net/ipv4/af_inet.c    | 2 +-
 net/ipv6/af_inet6.c   | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 365ae161d70..ff0233df624 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -832,7 +832,7 @@ static int l2cap_sock_create(struct net *net, struct socket *sock, int protocol,
 			sock->type != SOCK_DGRAM && sock->type != SOCK_RAW)
 		return -ESOCKTNOSUPPORT;
 
-	if (sock->type == SOCK_RAW && !capable(CAP_NET_RAW))
+	if (sock->type == SOCK_RAW && !kern && !capable(CAP_NET_RAW))
 		return -EPERM;
 
 	sock->ops = &l2cap_sock_ops;
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 5c7e42c02af..7d12c6a9b19 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -326,7 +326,7 @@ lookup_protocol:
 	}
 
 	err = -EPERM;
-	if (sock->type == SOCK_RAW && !capable(CAP_NET_RAW))
+	if (sock->type == SOCK_RAW && !kern && !capable(CAP_NET_RAW))
 		goto out_rcu_unlock;
 
 	err = -EAFNOSUPPORT;
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 45ed5e05ab3..12e69d364dd 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -159,7 +159,7 @@ lookup_protocol:
 	}
 
 	err = -EPERM;
-	if (sock->type == SOCK_RAW && !capable(CAP_NET_RAW))
+	if (sock->type == SOCK_RAW && !kern && !capable(CAP_NET_RAW))
 		goto out_rcu_unlock;
 
 	sock->ops = answer->ops;
-- 
GitLab


From 31ef30c760f7ddb133fa538df1dfbec1f42294d7 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 5 Nov 2009 20:47:35 -0800
Subject: [PATCH 0935/1815] bridge: remove dev_put() in add_del_if()

add_del_if() is called with RTNL, we can use __dev_get_by_index()
instead of [dev_get_by_index() + dev_put()]

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/bridge/br_ioctl.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/bridge/br_ioctl.c b/net/bridge/br_ioctl.c
index 6a6433daaf2..2af6e4a9026 100644
--- a/net/bridge/br_ioctl.c
+++ b/net/bridge/br_ioctl.c
@@ -81,6 +81,7 @@ static int get_fdb_entries(struct net_bridge *br, void __user *userbuf,
 	return num;
 }
 
+/* called with RTNL */
 static int add_del_if(struct net_bridge *br, int ifindex, int isadd)
 {
 	struct net_device *dev;
@@ -89,7 +90,7 @@ static int add_del_if(struct net_bridge *br, int ifindex, int isadd)
 	if (!capable(CAP_NET_ADMIN))
 		return -EPERM;
 
-	dev = dev_get_by_index(dev_net(br->dev), ifindex);
+	dev = __dev_get_by_index(dev_net(br->dev), ifindex);
 	if (dev == NULL)
 		return -EINVAL;
 
@@ -98,7 +99,6 @@ static int add_del_if(struct net_bridge *br, int ifindex, int isadd)
 	else
 		ret = br_del_if(br, dev);
 
-	dev_put(dev);
 	return ret;
 }
 
-- 
GitLab


From 122ec6ffca3967ffaa96a4c7a5dc9cd71866e0bc Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 5 Nov 2009 20:53:47 -0800
Subject: [PATCH 0936/1815] netlabel: remove dev_put() calls

Use dev_get_by_name_rcu() to avoid dev_put() calls,
in sections already inside a rcu_read_lock()

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/netlabel/netlabel_unlabeled.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/net/netlabel/netlabel_unlabeled.c b/net/netlabel/netlabel_unlabeled.c
index fb357f01018..3dfe2bac862 100644
--- a/net/netlabel/netlabel_unlabeled.c
+++ b/net/netlabel/netlabel_unlabeled.c
@@ -472,13 +472,12 @@ int netlbl_unlhsh_add(struct net *net,
 
 	rcu_read_lock();
 	if (dev_name != NULL) {
-		dev = dev_get_by_name(net, dev_name);
+		dev = dev_get_by_name_rcu(net, dev_name);
 		if (dev == NULL) {
 			ret_val = -ENODEV;
 			goto unlhsh_add_return;
 		}
 		ifindex = dev->ifindex;
-		dev_put(dev);
 		iface = netlbl_unlhsh_search_iface(ifindex);
 	} else {
 		ifindex = 0;
@@ -737,13 +736,12 @@ int netlbl_unlhsh_remove(struct net *net,
 
 	rcu_read_lock();
 	if (dev_name != NULL) {
-		dev = dev_get_by_name(net, dev_name);
+		dev = dev_get_by_name_rcu(net, dev_name);
 		if (dev == NULL) {
 			ret_val = -ENODEV;
 			goto unlhsh_remove_return;
 		}
 		iface = netlbl_unlhsh_search_iface(dev->ifindex);
-		dev_put(dev);
 	} else
 		iface = rcu_dereference(netlbl_unlhsh_def);
 	if (iface == NULL) {
-- 
GitLab


From 40c9c31e388bfd513269df737f874d0cd53c1616 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 5 Nov 2009 20:56:46 -0800
Subject: [PATCH 0937/1815] sctp: ipv6: avoid touching device refcount

Avoid touching device refcount in sctp/ipv6, thanks to RCU

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/sctp/ipv6.c | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index bacd6a7318b..cc50fbe9929 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -837,15 +837,16 @@ static int sctp_inet6_bind_verify(struct sctp_sock *opt, union sctp_addr *addr)
 		if (type & IPV6_ADDR_LINKLOCAL) {
 			if (!addr->v6.sin6_scope_id)
 				return 0;
-			dev = dev_get_by_index(&init_net, addr->v6.sin6_scope_id);
-			if (!dev)
-				return 0;
-			if (!ipv6_chk_addr(&init_net, &addr->v6.sin6_addr,
+			rcu_read_lock();
+			dev = dev_get_by_index_rcu(&init_net,
+						   addr->v6.sin6_scope_id);
+			if (!dev ||
+			    !ipv6_chk_addr(&init_net, &addr->v6.sin6_addr,
 					   dev, 0)) {
-				dev_put(dev);
+				rcu_read_unlock();
 				return 0;
 			}
-			dev_put(dev);
+			rcu_read_unlock();
 		} else if (type == IPV6_ADDR_MAPPED) {
 			if (!opt->v4mapped)
 				return 0;
@@ -873,10 +874,12 @@ static int sctp_inet6_send_verify(struct sctp_sock *opt, union sctp_addr *addr)
 		if (type & IPV6_ADDR_LINKLOCAL) {
 			if (!addr->v6.sin6_scope_id)
 				return 0;
-			dev = dev_get_by_index(&init_net, addr->v6.sin6_scope_id);
+			rcu_read_lock();
+			dev = dev_get_by_index_rcu(&init_net,
+						   addr->v6.sin6_scope_id);
+			rcu_read_unlock();
 			if (!dev)
 				return 0;
-			dev_put(dev);
 		}
 		af = opt->pf->af;
 	}
-- 
GitLab


From bd27a8750c9b849068d80e298f99940bb7128b33 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 5 Nov 2009 20:57:26 -0800
Subject: [PATCH 0938/1815] net_cls: Use __dev_get_by_index()

We hold RTNL in tc_dump_tfilter(), we can avoid dev_hold()/dev_put()

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/sched/cls_api.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 7cf6c0fbc7a..c024da77824 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -404,6 +404,7 @@ static int tcf_node_dump(struct tcf_proto *tp, unsigned long n,
 			     a->cb->nlh->nlmsg_seq, NLM_F_MULTI, RTM_NEWTFILTER);
 }
 
+/* called with RTNL */
 static int tc_dump_tfilter(struct sk_buff *skb, struct netlink_callback *cb)
 {
 	struct net *net = sock_net(skb->sk);
@@ -422,7 +423,7 @@ static int tc_dump_tfilter(struct sk_buff *skb, struct netlink_callback *cb)
 
 	if (cb->nlh->nlmsg_len < NLMSG_LENGTH(sizeof(*tcm)))
 		return skb->len;
-	if ((dev = dev_get_by_index(&init_net, tcm->tcm_ifindex)) == NULL)
+	if ((dev = __dev_get_by_index(&init_net, tcm->tcm_ifindex)) == NULL)
 		return skb->len;
 
 	if (!tcm->tcm_parent)
@@ -484,7 +485,6 @@ errout:
 	if (cl)
 		cops->put(q, cl);
 out:
-	dev_put(dev);
 	return skb->len;
 }
 
-- 
GitLab


From 69df9d5993bd7dd7499ad0e98fe824147fbe5667 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 5 Nov 2009 20:59:47 -0800
Subject: [PATCH 0939/1815] ip_frag: dont touch device refcount

When sending fragmentation expiration ICMP V4/V6 messages,
we can avoid touching device refcount, thanks to RCU

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/ip_fragment.c |  7 ++++---
 net/ipv6/reassembly.c  | 13 ++++++-------
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index 575f9bd51cc..b007f8af6e1 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -206,10 +206,11 @@ static void ip_expire(unsigned long arg)
 		struct sk_buff *head = qp->q.fragments;
 
 		/* Send an ICMP "Fragment Reassembly Timeout" message. */
-		if ((head->dev = dev_get_by_index(net, qp->iif)) != NULL) {
+		rcu_read_lock();
+		head->dev = dev_get_by_index_rcu(net, qp->iif);
+		if (head->dev)
 			icmp_send(head, ICMP_TIME_EXCEEDED, ICMP_EXC_FRAGTIME, 0);
-			dev_put(head->dev);
-		}
+		rcu_read_unlock();
 	}
 out:
 	spin_unlock(&qp->q.lock);
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index da5bd0ed83d..dce699fb267 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -208,18 +208,17 @@ static void ip6_frag_expire(unsigned long data)
 	fq_kill(fq);
 
 	net = container_of(fq->q.net, struct net, ipv6.frags);
-	dev = dev_get_by_index(net, fq->iif);
+	rcu_read_lock();
+	dev = dev_get_by_index_rcu(net, fq->iif);
 	if (!dev)
-		goto out;
+		goto out_rcu_unlock;
 
-	rcu_read_lock();
 	IP6_INC_STATS_BH(net, __in6_dev_get(dev), IPSTATS_MIB_REASMTIMEOUT);
 	IP6_INC_STATS_BH(net, __in6_dev_get(dev), IPSTATS_MIB_REASMFAILS);
-	rcu_read_unlock();
 
 	/* Don't send error if the first segment did not arrive. */
 	if (!(fq->q.last_in & INET_FRAG_FIRST_IN) || !fq->q.fragments)
-		goto out;
+		goto out_rcu_unlock;
 
 	/*
 	   But use as source device on which LAST ARRIVED
@@ -228,9 +227,9 @@ static void ip6_frag_expire(unsigned long data)
 	 */
 	fq->q.fragments->dev = dev;
 	icmpv6_send(fq->q.fragments, ICMPV6_TIME_EXCEED, ICMPV6_EXC_FRAGTIME, 0, dev);
+out_rcu_unlock:
+	rcu_read_unlock();
 out:
-	if (dev)
-		dev_put(dev);
 	spin_unlock(&fq->q.lock);
 	fq_put(fq);
 }
-- 
GitLab


From bf8e56bfc4fcfcef9f08e6233dc619706807893a Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 5 Nov 2009 21:03:39 -0800
Subject: [PATCH 0940/1815] net: sock_bindtodevice() RCU-ification

Avoid dev_hold()/dev_put() in sock_bindtodevice()

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/sock.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/net/core/sock.c b/net/core/sock.c
index 5a51512f638..38820eaecd4 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -420,14 +420,16 @@ static int sock_bindtodevice(struct sock *sk, char __user *optval, int optlen)
 	if (devname[0] == '\0') {
 		index = 0;
 	} else {
-		struct net_device *dev = dev_get_by_name(net, devname);
+		struct net_device *dev;
 
+		rcu_read_lock();
+		dev = dev_get_by_name_rcu(net, devname);
+		if (dev)
+			index = dev->ifindex;
+		rcu_read_unlock();
 		ret = -ENODEV;
 		if (!dev)
 			goto out;
-
-		index = dev->ifindex;
-		dev_put(dev);
 	}
 
 	lock_sock(sk);
-- 
GitLab


From baac8564547ac7f944af1c2e8cc6fdd57f2836a4 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 5 Nov 2009 21:04:32 -0800
Subject: [PATCH 0941/1815] pktgen: tx_bytes might be slightly wrong

cur_pkt_size can be changed in proc fs while pktgen is running,
we better use a private field to get precise tx-bytes counter.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/pktgen.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 5ce017bf4af..d38470a3279 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -340,6 +340,7 @@ struct pktgen_dev {
 	__u16 cur_udp_src;
 	__u16 cur_queue_map;
 	__u32 cur_pkt_size;
+	__u32 last_pkt_size;
 
 	__u8 hh[14];
 	/* = {
@@ -3434,7 +3435,7 @@ static void pktgen_xmit(struct pktgen_dev *pkt_dev)
 			pkt_dev->clone_count--;	/* back out increment, OOM */
 			return;
 		}
-
+		pkt_dev->last_pkt_size = pkt_dev->skb->len;
 		pkt_dev->allocated_skbs++;
 		pkt_dev->clone_count = 0;	/* reset counter */
 	}
@@ -3461,7 +3462,7 @@ static void pktgen_xmit(struct pktgen_dev *pkt_dev)
 		pkt_dev->last_ok = 1;
 		pkt_dev->sofar++;
 		pkt_dev->seq_num++;
-		pkt_dev->tx_bytes += pkt_dev->cur_pkt_size;
+		pkt_dev->tx_bytes += pkt_dev->last_pkt_size;
 		break;
 	default: /* Drivers are not supposed to return other values! */
 		if (net_ratelimit())
-- 
GitLab


From 000ba2e43f33901859fd794bb33c885909d53b3b Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Thu, 5 Nov 2009 22:37:11 -0800
Subject: [PATCH 0942/1815] net: Fix build warning in sock_bindtodevice().

net/core/sock.c: In function 'sock_setsockopt':
net/core/sock.c:396: warning: 'index' may be used uninitialized in this function
net/core/sock.c:396: note: 'index' was declared here

GCC can't see that all paths initialize index, so just
set it to the default (0) and eliminate the specific
code block that handles the null device name string.

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/sock.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/net/core/sock.c b/net/core/sock.c
index 38820eaecd4..76ff58d43e2 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -417,9 +417,8 @@ static int sock_bindtodevice(struct sock *sk, char __user *optval, int optlen)
 	if (copy_from_user(devname, optval, optlen))
 		goto out;
 
-	if (devname[0] == '\0') {
-		index = 0;
-	} else {
+	index = 0;
+	if (devname[0] != '\0') {
 		struct net_device *dev;
 
 		rcu_read_lock();
-- 
GitLab


From 69d9ab96f983720b7794e91437bd9c5f83bae9f7 Mon Sep 17 00:00:00 2001
From: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Date: Mon, 14 Sep 2009 18:11:03 +0400
Subject: [PATCH 0943/1815] wpan-phy: add a helper to put the wpan_phy device

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
---
 include/net/wpan-phy.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/net/wpan-phy.h b/include/net/wpan-phy.h
index 547b1e271ac..5e803a0e4e7 100644
--- a/include/net/wpan-phy.h
+++ b/include/net/wpan-phy.h
@@ -56,6 +56,12 @@ static inline void *wpan_phy_priv(struct wpan_phy *phy)
 }
 
 struct wpan_phy *wpan_phy_find(const char *str);
+
+static inline void wpan_phy_put(struct wpan_phy *phy)
+{
+	put_device(&phy->dev);
+}
+
 static inline const char *wpan_phy_name(struct wpan_phy *phy)
 {
 	return dev_name(&phy->dev);
-- 
GitLab


From 1c889f4db6b2f8f8429e62011ba622642faba019 Mon Sep 17 00:00:00 2001
From: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Date: Tue, 15 Sep 2009 16:57:04 +0400
Subject: [PATCH 0944/1815] wpan-phy: add wpan-phy iteration functions

Add API to iterate over the wpan-phy instances.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
---
 include/net/wpan-phy.h      |  2 ++
 net/ieee802154/wpan-class.c | 25 +++++++++++++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/include/net/wpan-phy.h b/include/net/wpan-phy.h
index 5e803a0e4e7..3367dd95cf8 100644
--- a/include/net/wpan-phy.h
+++ b/include/net/wpan-phy.h
@@ -48,6 +48,8 @@ struct wpan_phy *wpan_phy_alloc(size_t priv_size);
 int wpan_phy_register(struct device *parent, struct wpan_phy *phy);
 void wpan_phy_unregister(struct wpan_phy *phy);
 void wpan_phy_free(struct wpan_phy *phy);
+/* Same semantics as for class_for_each_device */
+int wpan_phy_for_each(int (*fn)(struct wpan_phy *phy, void *data), void *data);
 
 static inline void *wpan_phy_priv(struct wpan_phy *phy)
 {
diff --git a/net/ieee802154/wpan-class.c b/net/ieee802154/wpan-class.c
index f306604da67..0cec1384291 100644
--- a/net/ieee802154/wpan-class.c
+++ b/net/ieee802154/wpan-class.c
@@ -91,6 +91,31 @@ struct wpan_phy *wpan_phy_find(const char *str)
 }
 EXPORT_SYMBOL(wpan_phy_find);
 
+struct wpan_phy_iter_data {
+	int (*fn)(struct wpan_phy *phy, void *data);
+	void *data;
+};
+
+static int wpan_phy_iter(struct device *dev, void *_data)
+{
+	struct wpan_phy_iter_data *wpid = _data;
+	struct wpan_phy *phy = container_of(dev, struct wpan_phy, dev);
+	return wpid->fn(phy, wpid->data);
+}
+
+int wpan_phy_for_each(int (*fn)(struct wpan_phy *phy, void *data),
+		void *data)
+{
+	struct wpan_phy_iter_data wpid = {
+		.fn = fn,
+		.data = data,
+	};
+
+	return class_for_each_device(&wpan_phy_class, NULL,
+			&wpid, wpan_phy_iter);
+}
+EXPORT_SYMBOL(wpan_phy_for_each);
+
 static int wpan_phy_idx_valid(int idx)
 {
 	return idx >= 0;
-- 
GitLab


From 37eb0edc8488fccbf601ab3e7e582373ed2a631e Mon Sep 17 00:00:00 2001
From: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Date: Fri, 18 Sep 2009 16:35:06 +0400
Subject: [PATCH 0945/1815] wpan-phy: init channel/page fields

Set page to zero (for compatibility w/ devices supporting only first page).
Also init channel by default to -1 to disallow transfers for non-initialised
devices.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
---
 net/ieee802154/wpan-class.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/ieee802154/wpan-class.c b/net/ieee802154/wpan-class.c
index 0cec1384291..a10ae5be6ad 100644
--- a/net/ieee802154/wpan-class.c
+++ b/net/ieee802154/wpan-class.c
@@ -143,6 +143,9 @@ struct wpan_phy *wpan_phy_alloc(size_t priv_size)
 
 	phy->dev.class = &wpan_phy_class;
 
+	phy->current_channel = -1; /* not initialised */
+	phy->current_page = 0; /* for compatibility */
+
 	return phy;
 }
 EXPORT_SYMBOL(wpan_phy_alloc);
-- 
GitLab


From 375bb0e04b618d0c425b0ea492d16cf71eb94905 Mon Sep 17 00:00:00 2001
From: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Date: Mon, 28 Sep 2009 18:58:32 +0400
Subject: [PATCH 0946/1815] wpan-phy: use snprintf to limit the amount of chars
 written

Use snprintf to limit the amount of chars put in the buffer for attr -> show.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
---
 net/ieee802154/wpan-class.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ieee802154/wpan-class.c b/net/ieee802154/wpan-class.c
index a10ae5be6ad..68ccde63155 100644
--- a/net/ieee802154/wpan-class.c
+++ b/net/ieee802154/wpan-class.c
@@ -30,7 +30,7 @@ static ssize_t name ## _show(struct device *dev,			\
 	int ret;							\
 									\
 	mutex_lock(&phy->pib_lock);					\
-	ret = sprintf(buf, format_string "\n", args);			\
+	ret = snprintf(buf, PAGE_SIZE, format_string "\n", args);	\
 	mutex_unlock(&phy->pib_lock);					\
 	return ret;							\
 }
-- 
GitLab


From a0b4a738e0e03f5e0d6ca366560f9a48e5adf83a Mon Sep 17 00:00:00 2001
From: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Date: Tue, 22 Sep 2009 15:26:48 +0400
Subject: [PATCH 0947/1815] wpan-phy: allow specifying a per-page channel mask

IEEE 802.15.4-2006 defines channel pages that hold channels (max 32 pages,
27 channels per page). Allow the driver to specify supported channels
on pages, other than the first one.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
---
 drivers/ieee802154/fakehard.c |  2 +-
 include/net/wpan-phy.h        |  2 +-
 net/ieee802154/wpan-class.c   | 20 +++++++++++++++++++-
 3 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/drivers/ieee802154/fakehard.c b/drivers/ieee802154/fakehard.c
index 96a2959ce87..f6f2afefaa1 100644
--- a/drivers/ieee802154/fakehard.c
+++ b/drivers/ieee802154/fakehard.c
@@ -356,7 +356,7 @@ static int __devinit ieee802154fake_probe(struct platform_device *pdev)
 			dev->addr_len);
 	memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
 
-	phy->channels_supported = (1 << 27) - 1;
+	phy->channels_supported[0] = (1 << 27) - 1;
 	phy->transmit_power = 0xbf;
 
 	dev->netdev_ops = &fake_ops;
diff --git a/include/net/wpan-phy.h b/include/net/wpan-phy.h
index 3367dd95cf8..7b7fc581e67 100644
--- a/include/net/wpan-phy.h
+++ b/include/net/wpan-phy.h
@@ -34,7 +34,7 @@ struct wpan_phy {
 	 */
 	u8 current_channel;
 	u8 current_page;
-	u32 channels_supported;
+	u32 channels_supported[32];
 	u8 transmit_power;
 	u8 cca_mode;
 
diff --git a/net/ieee802154/wpan-class.c b/net/ieee802154/wpan-class.c
index 68ccde63155..0c51f85aa59 100644
--- a/net/ieee802154/wpan-class.c
+++ b/net/ieee802154/wpan-class.c
@@ -40,12 +40,30 @@ static ssize_t name ## _show(struct device *dev,			\
 
 MASTER_SHOW(current_channel, "%d");
 MASTER_SHOW(current_page, "%d");
-MASTER_SHOW(channels_supported, "%#x");
 MASTER_SHOW_COMPLEX(transmit_power, "%d +- %d dB",
 	((signed char) (phy->transmit_power << 2)) >> 2,
 	(phy->transmit_power >> 6) ? (phy->transmit_power >> 6) * 3 : 1 );
 MASTER_SHOW(cca_mode, "%d");
 
+static ssize_t channels_supported_show(struct device *dev,
+			    struct device_attribute *attr, char *buf)
+{
+	struct wpan_phy *phy = container_of(dev, struct wpan_phy, dev);
+	int ret;
+	int i, len = 0;
+
+	mutex_lock(&phy->pib_lock);
+	for (i = 0; i < 32; i++) {
+		ret = snprintf(buf + len, PAGE_SIZE - len,
+				"%#09x\n", phy->channels_supported[i]);
+		if (ret < 0)
+			break;
+		len += ret;
+	}
+	mutex_unlock(&phy->pib_lock);
+	return len;
+}
+
 static struct device_attribute pmib_attrs[] = {
 	__ATTR_RO(current_channel),
 	__ATTR_RO(current_page),
-- 
GitLab


From e9cf356c0c6b975fda84b15a5abdd1db88d74f84 Mon Sep 17 00:00:00 2001
From: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Date: Mon, 28 Sep 2009 19:01:20 +0400
Subject: [PATCH 0948/1815] wpan-phy: follow usual patter of devices
 registration

Follow the usual pattern of devices registration by adding new function
(wpan_phy_set_dev) that sets child->parent relationship and removing
parent argument from wpan_phy_register call.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
---
 drivers/ieee802154/fakehard.c | 3 ++-
 include/net/wpan-phy.h        | 6 +++++-
 net/ieee802154/wpan-class.c   | 4 +---
 3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/drivers/ieee802154/fakehard.c b/drivers/ieee802154/fakehard.c
index f6f2afefaa1..4ea93cc7afc 100644
--- a/drivers/ieee802154/fakehard.c
+++ b/drivers/ieee802154/fakehard.c
@@ -372,11 +372,12 @@ static int __devinit ieee802154fake_probe(struct platform_device *pdev)
 			goto out;
 	}
 
+	wpan_phy_set_dev(phy, &pdev->dev);
 	SET_NETDEV_DEV(dev, &phy->dev);
 
 	platform_set_drvdata(pdev, dev);
 
-	err = wpan_phy_register(&pdev->dev, phy);
+	err = wpan_phy_register(phy);
 	if (err)
 		goto out;
 
diff --git a/include/net/wpan-phy.h b/include/net/wpan-phy.h
index 7b7fc581e67..f63537c1736 100644
--- a/include/net/wpan-phy.h
+++ b/include/net/wpan-phy.h
@@ -45,7 +45,11 @@ struct wpan_phy {
 };
 
 struct wpan_phy *wpan_phy_alloc(size_t priv_size);
-int wpan_phy_register(struct device *parent, struct wpan_phy *phy);
+static inline void wpan_phy_set_dev(struct wpan_phy *phy, struct device *dev)
+{
+	phy->dev.parent = dev;
+}
+int wpan_phy_register(struct wpan_phy *phy);
 void wpan_phy_unregister(struct wpan_phy *phy);
 void wpan_phy_free(struct wpan_phy *phy);
 /* Same semantics as for class_for_each_device */
diff --git a/net/ieee802154/wpan-class.c b/net/ieee802154/wpan-class.c
index 0c51f85aa59..cd42e88b839 100644
--- a/net/ieee802154/wpan-class.c
+++ b/net/ieee802154/wpan-class.c
@@ -168,10 +168,8 @@ struct wpan_phy *wpan_phy_alloc(size_t priv_size)
 }
 EXPORT_SYMBOL(wpan_phy_alloc);
 
-int wpan_phy_register(struct device *parent, struct wpan_phy *phy)
+int wpan_phy_register(struct wpan_phy *phy)
 {
-	phy->dev.parent = parent;
-
 	return device_add(&phy->dev);
 }
 EXPORT_SYMBOL(wpan_phy_register);
-- 
GitLab


From a9966b580a3e9d7cf820b5360b574f439d813ef4 Mon Sep 17 00:00:00 2001
From: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Date: Fri, 2 Oct 2009 19:05:00 +0400
Subject: [PATCH 0949/1815] ieee802154: constify struct net_device in some
 operations

Some of ieee802154 operations really shouldn't change passed net_device.
Constify passed argument.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
---
 drivers/ieee802154/fakehard.c   |  8 ++++----
 include/net/ieee802154_netdev.h | 10 +++++-----
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/ieee802154/fakehard.c b/drivers/ieee802154/fakehard.c
index 4ea93cc7afc..77fbb51157a 100644
--- a/drivers/ieee802154/fakehard.c
+++ b/drivers/ieee802154/fakehard.c
@@ -43,7 +43,7 @@ struct wpan_phy *net_to_phy(struct net_device *dev)
  *
  * Return the ID of the PAN from the PIB.
  */
-static u16 fake_get_pan_id(struct net_device *dev)
+static u16 fake_get_pan_id(const struct net_device *dev)
 {
 	BUG_ON(dev->type != ARPHRD_IEEE802154);
 
@@ -58,7 +58,7 @@ static u16 fake_get_pan_id(struct net_device *dev)
  * device. If the device has not yet had a short address assigned
  * then this should return 0xFFFF to indicate a lack of association.
  */
-static u16 fake_get_short_addr(struct net_device *dev)
+static u16 fake_get_short_addr(const struct net_device *dev)
 {
 	BUG_ON(dev->type != ARPHRD_IEEE802154);
 
@@ -78,7 +78,7 @@ static u16 fake_get_short_addr(struct net_device *dev)
  * Note: This is in section 7.2.1.2 of the IEEE 802.15.4-2006
  *       document.
  */
-static u8 fake_get_dsn(struct net_device *dev)
+static u8 fake_get_dsn(const struct net_device *dev)
 {
 	BUG_ON(dev->type != ARPHRD_IEEE802154);
 
@@ -98,7 +98,7 @@ static u8 fake_get_dsn(struct net_device *dev)
  * Note: This is in section 7.2.1.2 of the IEEE 802.15.4-2006
  *       document.
  */
-static u8 fake_get_bsn(struct net_device *dev)
+static u8 fake_get_bsn(const struct net_device *dev)
 {
 	BUG_ON(dev->type != ARPHRD_IEEE802154);
 
diff --git a/include/net/ieee802154_netdev.h b/include/net/ieee802154_netdev.h
index 5dc6a61952d..d23fb5a94c9 100644
--- a/include/net/ieee802154_netdev.h
+++ b/include/net/ieee802154_netdev.h
@@ -98,14 +98,14 @@ struct ieee802154_mlme_ops {
 	 * FIXME: these should become the part of PIB/MIB interface.
 	 * However we still don't have IB interface of any kind
 	 */
-	u16 (*get_pan_id)(struct net_device *dev);
-	u16 (*get_short_addr)(struct net_device *dev);
-	u8 (*get_dsn)(struct net_device *dev);
-	u8 (*get_bsn)(struct net_device *dev);
+	u16 (*get_pan_id)(const struct net_device *dev);
+	u16 (*get_short_addr)(const struct net_device *dev);
+	u8 (*get_dsn)(const struct net_device *dev);
+	u8 (*get_bsn)(const struct net_device *dev);
 };
 
 static inline struct ieee802154_mlme_ops *ieee802154_mlme_ops(
-		struct net_device *dev)
+		const struct net_device *dev)
 {
 	return dev->ml_priv;
 }
-- 
GitLab


From cb6b3763571570ebde1e82524c8a45a4275c8f11 Mon Sep 17 00:00:00 2001
From: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Date: Thu, 10 Sep 2009 17:50:12 +0400
Subject: [PATCH 0950/1815] ieee802154: merge nl802154 and wpan-class in single
 module

There is no real need to have ieee802154 interfaces separate
into several small modules, as neither of them has it's own use.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
---
 net/ieee802154/Makefile     |  4 ++--
 net/ieee802154/netlink.c    |  9 ++-------
 net/ieee802154/wpan-class.c | 23 ++++++++++++++++++++---
 3 files changed, 24 insertions(+), 12 deletions(-)

diff --git a/net/ieee802154/Makefile b/net/ieee802154/Makefile
index 4068a9f5113..42b1f0dc138 100644
--- a/net/ieee802154/Makefile
+++ b/net/ieee802154/Makefile
@@ -1,5 +1,5 @@
-obj-$(CONFIG_IEEE802154) +=	nl802154.o af_802154.o wpan-class.o
-nl802154-y		:= netlink.o nl_policy.o
+obj-$(CONFIG_IEEE802154) +=	ieee802154.o af_802154.o
+ieee802154-y		:= netlink.o nl_policy.o wpan-class.o
 af_802154-y		:= af_ieee802154.o raw.o dgram.o
 
 ccflags-y += -Wall -DDEBUG
diff --git a/net/ieee802154/netlink.c b/net/ieee802154/netlink.c
index ca767bde17a..0fadd6bd77f 100644
--- a/net/ieee802154/netlink.c
+++ b/net/ieee802154/netlink.c
@@ -643,7 +643,7 @@ static struct genl_ops ieee802154_coordinator_ops[] = {
 							ieee802154_dump_iface),
 };
 
-static int __init ieee802154_nl_init(void)
+int __init ieee802154_nl_init(void)
 {
 	int rc;
 	int i;
@@ -676,14 +676,9 @@ fail:
 	genl_unregister_family(&ieee802154_coordinator_family);
 	return rc;
 }
-module_init(ieee802154_nl_init);
 
-static void __exit ieee802154_nl_exit(void)
+void __exit ieee802154_nl_exit(void)
 {
 	genl_unregister_family(&ieee802154_coordinator_family);
 }
-module_exit(ieee802154_nl_exit);
-
-MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("ieee 802.15.4 configuration interface");
 
diff --git a/net/ieee802154/wpan-class.c b/net/ieee802154/wpan-class.c
index cd42e88b839..38bac70cca1 100644
--- a/net/ieee802154/wpan-class.c
+++ b/net/ieee802154/wpan-class.c
@@ -22,6 +22,8 @@
 
 #include <net/wpan-phy.h>
 
+#include "ieee802154.h"
+
 #define MASTER_SHOW_COMPLEX(name, format_string, args...)		\
 static ssize_t name ## _show(struct device *dev,			\
 			    struct device_attribute *attr, char *buf)	\
@@ -188,16 +190,31 @@ EXPORT_SYMBOL(wpan_phy_free);
 
 static int __init wpan_phy_class_init(void)
 {
-	return class_register(&wpan_phy_class);
+	int rc;
+	rc = class_register(&wpan_phy_class);
+	if (rc)
+		goto err;
+
+	rc = ieee802154_nl_init();
+	if (rc)
+		goto err_nl;
+
+	return 0;
+err_nl:
+	class_unregister(&wpan_phy_class);
+err:
+	return rc;
 }
-subsys_initcall(wpan_phy_class_init);
+module_init(wpan_phy_class_init);
 
 static void __exit wpan_phy_class_exit(void)
 {
+	ieee802154_nl_exit();
 	class_unregister(&wpan_phy_class);
 }
 module_exit(wpan_phy_class_exit);
 
-MODULE_DESCRIPTION("IEEE 802.15.4 device class");
 MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("IEEE 802.15.4 configuration interface");
+MODULE_AUTHOR("Dmitry Eremin-Solenikov");
 
-- 
GitLab


From 78fe738d1a631ec34a29d830880e38f5c14c1371 Mon Sep 17 00:00:00 2001
From: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Date: Mon, 14 Sep 2009 18:17:36 +0400
Subject: [PATCH 0951/1815] ieee802154: split away MAC commands implementation

Move all mac-related stuff to separate file so that ieee802154/netlink.c
contains only generic code.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
---
 net/ieee802154/Makefile     |   2 +-
 net/ieee802154/ieee802154.h |  48 +++
 net/ieee802154/netlink.c    | 605 +----------------------------------
 net/ieee802154/nl-mac.c     | 609 ++++++++++++++++++++++++++++++++++++
 4 files changed, 669 insertions(+), 595 deletions(-)
 create mode 100644 net/ieee802154/ieee802154.h
 create mode 100644 net/ieee802154/nl-mac.c

diff --git a/net/ieee802154/Makefile b/net/ieee802154/Makefile
index 42b1f0dc138..69af9f6a404 100644
--- a/net/ieee802154/Makefile
+++ b/net/ieee802154/Makefile
@@ -1,5 +1,5 @@
 obj-$(CONFIG_IEEE802154) +=	ieee802154.o af_802154.o
-ieee802154-y		:= netlink.o nl_policy.o wpan-class.o
+ieee802154-y		:= netlink.o nl-mac.o nl_policy.o wpan-class.o
 af_802154-y		:= af_ieee802154.o raw.o dgram.o
 
 ccflags-y += -Wall -DDEBUG
diff --git a/net/ieee802154/ieee802154.h b/net/ieee802154/ieee802154.h
new file mode 100644
index 00000000000..0790eb06d68
--- /dev/null
+++ b/net/ieee802154/ieee802154.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2007, 2008, 2009 Siemens AG
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+#ifndef IEEE_802154_LOCAL_H
+#define IEEE_802154_LOCAL_H
+
+int __init ieee802154_nl_init(void);
+void __exit ieee802154_nl_exit(void);
+
+#define IEEE802154_OP(_cmd, _func)			\
+	{						\
+		.cmd	= _cmd,				\
+		.policy	= ieee802154_policy,		\
+		.doit	= _func,			\
+		.dumpit	= NULL,				\
+		.flags	= GENL_ADMIN_PERM,		\
+	}
+
+#define IEEE802154_DUMP(_cmd, _func, _dump)		\
+	{						\
+		.cmd	= _cmd,				\
+		.policy	= ieee802154_policy,		\
+		.doit	= _func,			\
+		.dumpit	= _dump,			\
+	}
+
+struct sk_buff *ieee802154_nl_create(int flags, u8 req);
+int ieee802154_nl_mcast(struct sk_buff *msg, unsigned int group);
+
+extern struct genl_family nl802154_family;
+int nl802154_mac_register(void);
+int nl802154_phy_register(void);
+
+#endif
diff --git a/net/ieee802154/netlink.c b/net/ieee802154/netlink.c
index 0fadd6bd77f..5b738ec7d9f 100644
--- a/net/ieee802154/netlink.c
+++ b/net/ieee802154/netlink.c
@@ -23,21 +23,15 @@
  */
 
 #include <linux/kernel.h>
-#include <linux/if_arp.h>
-#include <linux/netdevice.h>
-#include <net/netlink.h>
 #include <net/genetlink.h>
-#include <net/sock.h>
 #include <linux/nl802154.h>
-#include <net/af_ieee802154.h>
-#include <net/nl802154.h>
-#include <net/ieee802154.h>
-#include <net/ieee802154_netdev.h>
+
+#include "ieee802154.h"
 
 static unsigned int ieee802154_seq_num;
 static DEFINE_SPINLOCK(ieee802154_seq_lock);
 
-static struct genl_family ieee802154_coordinator_family = {
+struct genl_family nl802154_family = {
 	.id		= GENL_ID_GENERATE,
 	.hdrsize	= 0,
 	.name		= IEEE802154_NL_NAME,
@@ -45,16 +39,8 @@ static struct genl_family ieee802154_coordinator_family = {
 	.maxattr	= IEEE802154_ATTR_MAX,
 };
 
-static struct genl_multicast_group ieee802154_coord_mcgrp = {
-	.name		= IEEE802154_MCAST_COORD_NAME,
-};
-
-static struct genl_multicast_group ieee802154_beacon_mcgrp = {
-	.name		= IEEE802154_MCAST_BEACON_NAME,
-};
-
 /* Requests to userspace */
-static struct sk_buff *ieee802154_nl_create(int flags, u8 req)
+struct sk_buff *ieee802154_nl_create(int flags, u8 req)
 {
 	void *hdr;
 	struct sk_buff *msg = nlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC);
@@ -65,7 +51,7 @@ static struct sk_buff *ieee802154_nl_create(int flags, u8 req)
 
 	spin_lock_irqsave(&ieee802154_seq_lock, f);
 	hdr = genlmsg_put(msg, 0, ieee802154_seq_num++,
-			&ieee802154_coordinator_family, flags, req);
+			&nl802154_family, flags, req);
 	spin_unlock_irqrestore(&ieee802154_seq_lock, f);
 	if (!hdr) {
 		nlmsg_free(msg);
@@ -75,7 +61,7 @@ static struct sk_buff *ieee802154_nl_create(int flags, u8 req)
 	return msg;
 }
 
-static int ieee802154_nl_finish(struct sk_buff *msg)
+int ieee802154_nl_mcast(struct sk_buff *msg, unsigned int group)
 {
 	/* XXX: nlh is right at the start of msg */
 	void *hdr = genlmsg_data(NLMSG_DATA(msg->data));
@@ -83,602 +69,33 @@ static int ieee802154_nl_finish(struct sk_buff *msg)
 	if (genlmsg_end(msg, hdr) < 0)
 		goto out;
 
-	return genlmsg_multicast(msg, 0, ieee802154_coord_mcgrp.id,
-			GFP_ATOMIC);
+	return genlmsg_multicast(msg, 0, group, GFP_ATOMIC);
 out:
 	nlmsg_free(msg);
 	return -ENOBUFS;
 }
 
-int ieee802154_nl_assoc_indic(struct net_device *dev,
-		struct ieee802154_addr *addr, u8 cap)
-{
-	struct sk_buff *msg;
-
-	pr_debug("%s\n", __func__);
-
-	if (addr->addr_type != IEEE802154_ADDR_LONG) {
-		pr_err("%s: received non-long source address!\n", __func__);
-		return -EINVAL;
-	}
-
-	msg = ieee802154_nl_create(0, IEEE802154_ASSOCIATE_INDIC);
-	if (!msg)
-		return -ENOBUFS;
-
-	NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
-	NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
-	NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
-			dev->dev_addr);
-
-	NLA_PUT(msg, IEEE802154_ATTR_SRC_HW_ADDR, IEEE802154_ADDR_LEN,
-			addr->hwaddr);
-
-	NLA_PUT_U8(msg, IEEE802154_ATTR_CAPABILITY, cap);
-
-	return ieee802154_nl_finish(msg);
-
-nla_put_failure:
-	nlmsg_free(msg);
-	return -ENOBUFS;
-}
-EXPORT_SYMBOL(ieee802154_nl_assoc_indic);
-
-int ieee802154_nl_assoc_confirm(struct net_device *dev, u16 short_addr,
-		u8 status)
-{
-	struct sk_buff *msg;
-
-	pr_debug("%s\n", __func__);
-
-	msg = ieee802154_nl_create(0, IEEE802154_ASSOCIATE_CONF);
-	if (!msg)
-		return -ENOBUFS;
-
-	NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
-	NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
-	NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
-			dev->dev_addr);
-
-	NLA_PUT_U16(msg, IEEE802154_ATTR_SHORT_ADDR, short_addr);
-	NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS, status);
-
-	return ieee802154_nl_finish(msg);
-
-nla_put_failure:
-	nlmsg_free(msg);
-	return -ENOBUFS;
-}
-EXPORT_SYMBOL(ieee802154_nl_assoc_confirm);
-
-int ieee802154_nl_disassoc_indic(struct net_device *dev,
-		struct ieee802154_addr *addr, u8 reason)
-{
-	struct sk_buff *msg;
-
-	pr_debug("%s\n", __func__);
-
-	msg = ieee802154_nl_create(0, IEEE802154_DISASSOCIATE_INDIC);
-	if (!msg)
-		return -ENOBUFS;
-
-	NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
-	NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
-	NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
-			dev->dev_addr);
-
-	if (addr->addr_type == IEEE802154_ADDR_LONG)
-		NLA_PUT(msg, IEEE802154_ATTR_SRC_HW_ADDR, IEEE802154_ADDR_LEN,
-				addr->hwaddr);
-	else
-		NLA_PUT_U16(msg, IEEE802154_ATTR_SRC_SHORT_ADDR,
-				addr->short_addr);
-
-	NLA_PUT_U8(msg, IEEE802154_ATTR_REASON, reason);
-
-	return ieee802154_nl_finish(msg);
-
-nla_put_failure:
-	nlmsg_free(msg);
-	return -ENOBUFS;
-}
-EXPORT_SYMBOL(ieee802154_nl_disassoc_indic);
-
-int ieee802154_nl_disassoc_confirm(struct net_device *dev, u8 status)
-{
-	struct sk_buff *msg;
-
-	pr_debug("%s\n", __func__);
-
-	msg = ieee802154_nl_create(0, IEEE802154_DISASSOCIATE_CONF);
-	if (!msg)
-		return -ENOBUFS;
-
-	NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
-	NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
-	NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
-			dev->dev_addr);
-
-	NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS, status);
-
-	return ieee802154_nl_finish(msg);
-
-nla_put_failure:
-	nlmsg_free(msg);
-	return -ENOBUFS;
-}
-EXPORT_SYMBOL(ieee802154_nl_disassoc_confirm);
-
-int ieee802154_nl_beacon_indic(struct net_device *dev,
-		u16 panid, u16 coord_addr)
-{
-	struct sk_buff *msg;
-
-	pr_debug("%s\n", __func__);
-
-	msg = ieee802154_nl_create(0, IEEE802154_BEACON_NOTIFY_INDIC);
-	if (!msg)
-		return -ENOBUFS;
-
-	NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
-	NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
-	NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
-			dev->dev_addr);
-	NLA_PUT_U16(msg, IEEE802154_ATTR_COORD_SHORT_ADDR, coord_addr);
-	NLA_PUT_U16(msg, IEEE802154_ATTR_COORD_PAN_ID, panid);
-
-	return ieee802154_nl_finish(msg);
-
-nla_put_failure:
-	nlmsg_free(msg);
-	return -ENOBUFS;
-}
-EXPORT_SYMBOL(ieee802154_nl_beacon_indic);
-
-int ieee802154_nl_scan_confirm(struct net_device *dev,
-		u8 status, u8 scan_type, u32 unscanned, u8 page,
-		u8 *edl/* , struct list_head *pan_desc_list */)
-{
-	struct sk_buff *msg;
-
-	pr_debug("%s\n", __func__);
-
-	msg = ieee802154_nl_create(0, IEEE802154_SCAN_CONF);
-	if (!msg)
-		return -ENOBUFS;
-
-	NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
-	NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
-	NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
-			dev->dev_addr);
-
-	NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS, status);
-	NLA_PUT_U8(msg, IEEE802154_ATTR_SCAN_TYPE, scan_type);
-	NLA_PUT_U32(msg, IEEE802154_ATTR_CHANNELS, unscanned);
-	NLA_PUT_U8(msg, IEEE802154_ATTR_PAGE, page);
-
-	if (edl)
-		NLA_PUT(msg, IEEE802154_ATTR_ED_LIST, 27, edl);
-
-	return ieee802154_nl_finish(msg);
-
-nla_put_failure:
-	nlmsg_free(msg);
-	return -ENOBUFS;
-}
-EXPORT_SYMBOL(ieee802154_nl_scan_confirm);
-
-int ieee802154_nl_start_confirm(struct net_device *dev, u8 status)
-{
-	struct sk_buff *msg;
-
-	pr_debug("%s\n", __func__);
-
-	msg = ieee802154_nl_create(0, IEEE802154_START_CONF);
-	if (!msg)
-		return -ENOBUFS;
-
-	NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
-	NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
-	NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
-			dev->dev_addr);
-
-	NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS, status);
-
-	return ieee802154_nl_finish(msg);
-
-nla_put_failure:
-	nlmsg_free(msg);
-	return -ENOBUFS;
-}
-EXPORT_SYMBOL(ieee802154_nl_start_confirm);
-
-static int ieee802154_nl_fill_iface(struct sk_buff *msg, u32 pid,
-	u32 seq, int flags, struct net_device *dev)
-{
-	void *hdr;
-
-	pr_debug("%s\n", __func__);
-
-	hdr = genlmsg_put(msg, 0, seq, &ieee802154_coordinator_family, flags,
-		IEEE802154_LIST_IFACE);
-	if (!hdr)
-		goto out;
-
-	NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
-	NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
-
-	NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
-		dev->dev_addr);
-	NLA_PUT_U16(msg, IEEE802154_ATTR_SHORT_ADDR,
-		ieee802154_mlme_ops(dev)->get_short_addr(dev));
-	NLA_PUT_U16(msg, IEEE802154_ATTR_PAN_ID,
-		ieee802154_mlme_ops(dev)->get_pan_id(dev));
-	return genlmsg_end(msg, hdr);
-
-nla_put_failure:
-	genlmsg_cancel(msg, hdr);
-out:
-	return -EMSGSIZE;
-}
-
-/* Requests from userspace */
-static struct net_device *ieee802154_nl_get_dev(struct genl_info *info)
-{
-	struct net_device *dev;
-
-	if (info->attrs[IEEE802154_ATTR_DEV_NAME]) {
-		char name[IFNAMSIZ + 1];
-		nla_strlcpy(name, info->attrs[IEEE802154_ATTR_DEV_NAME],
-				sizeof(name));
-		dev = dev_get_by_name(&init_net, name);
-	} else if (info->attrs[IEEE802154_ATTR_DEV_INDEX])
-		dev = dev_get_by_index(&init_net,
-			nla_get_u32(info->attrs[IEEE802154_ATTR_DEV_INDEX]));
-	else
-		return NULL;
-
-	if (!dev)
-		return NULL;
-
-	if (dev->type != ARPHRD_IEEE802154) {
-		dev_put(dev);
-		return NULL;
-	}
-
-	return dev;
-}
-
-static int ieee802154_associate_req(struct sk_buff *skb,
-		struct genl_info *info)
-{
-	struct net_device *dev;
-	struct ieee802154_addr addr;
-	u8 page;
-	int ret = -EINVAL;
-
-	if (!info->attrs[IEEE802154_ATTR_CHANNEL] ||
-	    !info->attrs[IEEE802154_ATTR_COORD_PAN_ID] ||
-	    (!info->attrs[IEEE802154_ATTR_COORD_HW_ADDR] &&
-		!info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]) ||
-	    !info->attrs[IEEE802154_ATTR_CAPABILITY])
-		return -EINVAL;
-
-	dev = ieee802154_nl_get_dev(info);
-	if (!dev)
-		return -ENODEV;
-
-	if (info->attrs[IEEE802154_ATTR_COORD_HW_ADDR]) {
-		addr.addr_type = IEEE802154_ADDR_LONG;
-		nla_memcpy(addr.hwaddr,
-				info->attrs[IEEE802154_ATTR_COORD_HW_ADDR],
-				IEEE802154_ADDR_LEN);
-	} else {
-		addr.addr_type = IEEE802154_ADDR_SHORT;
-		addr.short_addr = nla_get_u16(
-				info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]);
-	}
-	addr.pan_id = nla_get_u16(info->attrs[IEEE802154_ATTR_COORD_PAN_ID]);
-
-	if (info->attrs[IEEE802154_ATTR_PAGE])
-		page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]);
-	else
-		page = 0;
-
-	ret = ieee802154_mlme_ops(dev)->assoc_req(dev, &addr,
-			nla_get_u8(info->attrs[IEEE802154_ATTR_CHANNEL]),
-			page,
-			nla_get_u8(info->attrs[IEEE802154_ATTR_CAPABILITY]));
-
-	dev_put(dev);
-	return ret;
-}
-
-static int ieee802154_associate_resp(struct sk_buff *skb,
-		struct genl_info *info)
-{
-	struct net_device *dev;
-	struct ieee802154_addr addr;
-	int ret = -EINVAL;
-
-	if (!info->attrs[IEEE802154_ATTR_STATUS] ||
-	    !info->attrs[IEEE802154_ATTR_DEST_HW_ADDR] ||
-	    !info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR])
-		return -EINVAL;
-
-	dev = ieee802154_nl_get_dev(info);
-	if (!dev)
-		return -ENODEV;
-
-	addr.addr_type = IEEE802154_ADDR_LONG;
-	nla_memcpy(addr.hwaddr, info->attrs[IEEE802154_ATTR_DEST_HW_ADDR],
-			IEEE802154_ADDR_LEN);
-	addr.pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev);
-
-
-	ret = ieee802154_mlme_ops(dev)->assoc_resp(dev, &addr,
-		nla_get_u16(info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]),
-		nla_get_u8(info->attrs[IEEE802154_ATTR_STATUS]));
-
-	dev_put(dev);
-	return ret;
-}
-
-static int ieee802154_disassociate_req(struct sk_buff *skb,
-		struct genl_info *info)
-{
-	struct net_device *dev;
-	struct ieee802154_addr addr;
-	int ret = -EINVAL;
-
-	if ((!info->attrs[IEEE802154_ATTR_DEST_HW_ADDR] &&
-		!info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]) ||
-	    !info->attrs[IEEE802154_ATTR_REASON])
-		return -EINVAL;
-
-	dev = ieee802154_nl_get_dev(info);
-	if (!dev)
-		return -ENODEV;
-
-	if (info->attrs[IEEE802154_ATTR_DEST_HW_ADDR]) {
-		addr.addr_type = IEEE802154_ADDR_LONG;
-		nla_memcpy(addr.hwaddr,
-				info->attrs[IEEE802154_ATTR_DEST_HW_ADDR],
-				IEEE802154_ADDR_LEN);
-	} else {
-		addr.addr_type = IEEE802154_ADDR_SHORT;
-		addr.short_addr = nla_get_u16(
-				info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]);
-	}
-	addr.pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev);
-
-	ret = ieee802154_mlme_ops(dev)->disassoc_req(dev, &addr,
-			nla_get_u8(info->attrs[IEEE802154_ATTR_REASON]));
-
-	dev_put(dev);
-	return ret;
-}
-
-/*
- * PANid, channel, beacon_order = 15, superframe_order = 15,
- * PAN_coordinator, battery_life_extension = 0,
- * coord_realignment = 0, security_enable = 0
-*/
-static int ieee802154_start_req(struct sk_buff *skb, struct genl_info *info)
-{
-	struct net_device *dev;
-	struct ieee802154_addr addr;
-
-	u8 channel, bcn_ord, sf_ord;
-	u8 page;
-	int pan_coord, blx, coord_realign;
-	int ret;
-
-	if (!info->attrs[IEEE802154_ATTR_COORD_PAN_ID] ||
-	    !info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR] ||
-	    !info->attrs[IEEE802154_ATTR_CHANNEL] ||
-	    !info->attrs[IEEE802154_ATTR_BCN_ORD] ||
-	    !info->attrs[IEEE802154_ATTR_SF_ORD] ||
-	    !info->attrs[IEEE802154_ATTR_PAN_COORD] ||
-	    !info->attrs[IEEE802154_ATTR_BAT_EXT] ||
-	    !info->attrs[IEEE802154_ATTR_COORD_REALIGN]
-	 )
-		return -EINVAL;
-
-	dev = ieee802154_nl_get_dev(info);
-	if (!dev)
-		return -ENODEV;
-
-	addr.addr_type = IEEE802154_ADDR_SHORT;
-	addr.short_addr = nla_get_u16(
-			info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]);
-	addr.pan_id = nla_get_u16(info->attrs[IEEE802154_ATTR_COORD_PAN_ID]);
-
-	channel = nla_get_u8(info->attrs[IEEE802154_ATTR_CHANNEL]);
-	bcn_ord = nla_get_u8(info->attrs[IEEE802154_ATTR_BCN_ORD]);
-	sf_ord = nla_get_u8(info->attrs[IEEE802154_ATTR_SF_ORD]);
-	pan_coord = nla_get_u8(info->attrs[IEEE802154_ATTR_PAN_COORD]);
-	blx = nla_get_u8(info->attrs[IEEE802154_ATTR_BAT_EXT]);
-	coord_realign = nla_get_u8(info->attrs[IEEE802154_ATTR_COORD_REALIGN]);
-
-	if (info->attrs[IEEE802154_ATTR_PAGE])
-		page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]);
-	else
-		page = 0;
-
-
-	if (addr.short_addr == IEEE802154_ADDR_BROADCAST) {
-		ieee802154_nl_start_confirm(dev, IEEE802154_NO_SHORT_ADDRESS);
-		dev_put(dev);
-		return -EINVAL;
-	}
-
-	ret = ieee802154_mlme_ops(dev)->start_req(dev, &addr, channel, page,
-		bcn_ord, sf_ord, pan_coord, blx, coord_realign);
-
-	dev_put(dev);
-	return ret;
-}
-
-static int ieee802154_scan_req(struct sk_buff *skb, struct genl_info *info)
-{
-	struct net_device *dev;
-	int ret;
-	u8 type;
-	u32 channels;
-	u8 duration;
-	u8 page;
-
-	if (!info->attrs[IEEE802154_ATTR_SCAN_TYPE] ||
-	    !info->attrs[IEEE802154_ATTR_CHANNELS] ||
-	    !info->attrs[IEEE802154_ATTR_DURATION])
-		return -EINVAL;
-
-	dev = ieee802154_nl_get_dev(info);
-	if (!dev)
-		return -ENODEV;
-
-	type = nla_get_u8(info->attrs[IEEE802154_ATTR_SCAN_TYPE]);
-	channels = nla_get_u32(info->attrs[IEEE802154_ATTR_CHANNELS]);
-	duration = nla_get_u8(info->attrs[IEEE802154_ATTR_DURATION]);
-
-	if (info->attrs[IEEE802154_ATTR_PAGE])
-		page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]);
-	else
-		page = 0;
-
-
-	ret = ieee802154_mlme_ops(dev)->scan_req(dev, type, channels, page,
-			duration);
-
-	dev_put(dev);
-	return ret;
-}
-
-static int ieee802154_list_iface(struct sk_buff *skb,
-	struct genl_info *info)
-{
-	/* Request for interface name, index, type, IEEE address,
-	   PAN Id, short address */
-	struct sk_buff *msg;
-	struct net_device *dev = NULL;
-	int rc = -ENOBUFS;
-
-	pr_debug("%s\n", __func__);
-
-	dev = ieee802154_nl_get_dev(info);
-	if (!dev)
-		return -ENODEV;
-
-	msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
-	if (!msg)
-		goto out_dev;
-
-	rc = ieee802154_nl_fill_iface(msg, info->snd_pid, info->snd_seq,
-			0, dev);
-	if (rc < 0)
-		goto out_free;
-
-	dev_put(dev);
-
-	return genlmsg_unicast(&init_net, msg, info->snd_pid);
-out_free:
-	nlmsg_free(msg);
-out_dev:
-	dev_put(dev);
-	return rc;
-
-}
-
-static int ieee802154_dump_iface(struct sk_buff *skb,
-	struct netlink_callback *cb)
-{
-	struct net *net = sock_net(skb->sk);
-	struct net_device *dev;
-	int idx;
-	int s_idx = cb->args[0];
-
-	pr_debug("%s\n", __func__);
-
-	idx = 0;
-	for_each_netdev(net, dev) {
-		if (idx < s_idx || (dev->type != ARPHRD_IEEE802154))
-			goto cont;
-
-		if (ieee802154_nl_fill_iface(skb, NETLINK_CB(cb->skb).pid,
-			cb->nlh->nlmsg_seq, NLM_F_MULTI, dev) < 0)
-			break;
-cont:
-		idx++;
-	}
-	cb->args[0] = idx;
-
-	return skb->len;
-}
-
-#define IEEE802154_OP(_cmd, _func)			\
-	{						\
-		.cmd	= _cmd,				\
-		.policy	= ieee802154_policy,		\
-		.doit	= _func,			\
-		.dumpit	= NULL,				\
-		.flags	= GENL_ADMIN_PERM,		\
-	}
-
-#define IEEE802154_DUMP(_cmd, _func, _dump)		\
-	{						\
-		.cmd	= _cmd,				\
-		.policy	= ieee802154_policy,		\
-		.doit	= _func,			\
-		.dumpit	= _dump,			\
-	}
-
-static struct genl_ops ieee802154_coordinator_ops[] = {
-	IEEE802154_OP(IEEE802154_ASSOCIATE_REQ, ieee802154_associate_req),
-	IEEE802154_OP(IEEE802154_ASSOCIATE_RESP, ieee802154_associate_resp),
-	IEEE802154_OP(IEEE802154_DISASSOCIATE_REQ, ieee802154_disassociate_req),
-	IEEE802154_OP(IEEE802154_SCAN_REQ, ieee802154_scan_req),
-	IEEE802154_OP(IEEE802154_START_REQ, ieee802154_start_req),
-	IEEE802154_DUMP(IEEE802154_LIST_IFACE, ieee802154_list_iface,
-							ieee802154_dump_iface),
-};
-
 int __init ieee802154_nl_init(void)
 {
 	int rc;
-	int i;
 
-	rc = genl_register_family(&ieee802154_coordinator_family);
+	rc = genl_register_family(&nl802154_family);
 	if (rc)
 		goto fail;
 
-	rc = genl_register_mc_group(&ieee802154_coordinator_family,
-			&ieee802154_coord_mcgrp);
+	rc = nl802154_mac_register();
 	if (rc)
 		goto fail;
 
-	rc = genl_register_mc_group(&ieee802154_coordinator_family,
-			&ieee802154_beacon_mcgrp);
-	if (rc)
-		goto fail;
-
-
-	for (i = 0; i < ARRAY_SIZE(ieee802154_coordinator_ops); i++) {
-		rc = genl_register_ops(&ieee802154_coordinator_family,
-				&ieee802154_coordinator_ops[i]);
-		if (rc)
-			goto fail;
-	}
-
 	return 0;
 
 fail:
-	genl_unregister_family(&ieee802154_coordinator_family);
+	genl_unregister_family(&nl802154_family);
 	return rc;
 }
 
 void __exit ieee802154_nl_exit(void)
 {
-	genl_unregister_family(&ieee802154_coordinator_family);
+	genl_unregister_family(&nl802154_family);
 }
 
diff --git a/net/ieee802154/nl-mac.c b/net/ieee802154/nl-mac.c
new file mode 100644
index 00000000000..e8816bf7c31
--- /dev/null
+++ b/net/ieee802154/nl-mac.c
@@ -0,0 +1,609 @@
+/*
+ * Netlink inteface for IEEE 802.15.4 stack
+ *
+ * Copyright 2007, 2008 Siemens AG
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Written by:
+ * Sergey Lapin <slapin@ossfans.org>
+ * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
+ * Maxim Osipov <maxim.osipov@siemens.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/if_arp.h>
+#include <linux/netdevice.h>
+#include <net/netlink.h>
+#include <net/genetlink.h>
+#include <net/sock.h>
+#include <linux/nl802154.h>
+#include <net/af_ieee802154.h>
+#include <net/nl802154.h>
+#include <net/ieee802154.h>
+#include <net/ieee802154_netdev.h>
+
+#include "ieee802154.h"
+
+static struct genl_multicast_group ieee802154_coord_mcgrp = {
+	.name		= IEEE802154_MCAST_COORD_NAME,
+};
+
+static struct genl_multicast_group ieee802154_beacon_mcgrp = {
+	.name		= IEEE802154_MCAST_BEACON_NAME,
+};
+
+int ieee802154_nl_assoc_indic(struct net_device *dev,
+		struct ieee802154_addr *addr, u8 cap)
+{
+	struct sk_buff *msg;
+
+	pr_debug("%s\n", __func__);
+
+	if (addr->addr_type != IEEE802154_ADDR_LONG) {
+		pr_err("%s: received non-long source address!\n", __func__);
+		return -EINVAL;
+	}
+
+	msg = ieee802154_nl_create(0, IEEE802154_ASSOCIATE_INDIC);
+	if (!msg)
+		return -ENOBUFS;
+
+	NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
+	NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
+	NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
+			dev->dev_addr);
+
+	NLA_PUT(msg, IEEE802154_ATTR_SRC_HW_ADDR, IEEE802154_ADDR_LEN,
+			addr->hwaddr);
+
+	NLA_PUT_U8(msg, IEEE802154_ATTR_CAPABILITY, cap);
+
+	return ieee802154_nl_mcast(msg, ieee802154_coord_mcgrp.id);
+
+nla_put_failure:
+	nlmsg_free(msg);
+	return -ENOBUFS;
+}
+EXPORT_SYMBOL(ieee802154_nl_assoc_indic);
+
+int ieee802154_nl_assoc_confirm(struct net_device *dev, u16 short_addr,
+		u8 status)
+{
+	struct sk_buff *msg;
+
+	pr_debug("%s\n", __func__);
+
+	msg = ieee802154_nl_create(0, IEEE802154_ASSOCIATE_CONF);
+	if (!msg)
+		return -ENOBUFS;
+
+	NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
+	NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
+	NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
+			dev->dev_addr);
+
+	NLA_PUT_U16(msg, IEEE802154_ATTR_SHORT_ADDR, short_addr);
+	NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS, status);
+
+	return ieee802154_nl_mcast(msg, ieee802154_coord_mcgrp.id);
+
+nla_put_failure:
+	nlmsg_free(msg);
+	return -ENOBUFS;
+}
+EXPORT_SYMBOL(ieee802154_nl_assoc_confirm);
+
+int ieee802154_nl_disassoc_indic(struct net_device *dev,
+		struct ieee802154_addr *addr, u8 reason)
+{
+	struct sk_buff *msg;
+
+	pr_debug("%s\n", __func__);
+
+	msg = ieee802154_nl_create(0, IEEE802154_DISASSOCIATE_INDIC);
+	if (!msg)
+		return -ENOBUFS;
+
+	NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
+	NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
+	NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
+			dev->dev_addr);
+
+	if (addr->addr_type == IEEE802154_ADDR_LONG)
+		NLA_PUT(msg, IEEE802154_ATTR_SRC_HW_ADDR, IEEE802154_ADDR_LEN,
+				addr->hwaddr);
+	else
+		NLA_PUT_U16(msg, IEEE802154_ATTR_SRC_SHORT_ADDR,
+				addr->short_addr);
+
+	NLA_PUT_U8(msg, IEEE802154_ATTR_REASON, reason);
+
+	return ieee802154_nl_mcast(msg, ieee802154_coord_mcgrp.id);
+
+nla_put_failure:
+	nlmsg_free(msg);
+	return -ENOBUFS;
+}
+EXPORT_SYMBOL(ieee802154_nl_disassoc_indic);
+
+int ieee802154_nl_disassoc_confirm(struct net_device *dev, u8 status)
+{
+	struct sk_buff *msg;
+
+	pr_debug("%s\n", __func__);
+
+	msg = ieee802154_nl_create(0, IEEE802154_DISASSOCIATE_CONF);
+	if (!msg)
+		return -ENOBUFS;
+
+	NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
+	NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
+	NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
+			dev->dev_addr);
+
+	NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS, status);
+
+	return ieee802154_nl_mcast(msg, ieee802154_coord_mcgrp.id);
+
+nla_put_failure:
+	nlmsg_free(msg);
+	return -ENOBUFS;
+}
+EXPORT_SYMBOL(ieee802154_nl_disassoc_confirm);
+
+int ieee802154_nl_beacon_indic(struct net_device *dev,
+		u16 panid, u16 coord_addr)
+{
+	struct sk_buff *msg;
+
+	pr_debug("%s\n", __func__);
+
+	msg = ieee802154_nl_create(0, IEEE802154_BEACON_NOTIFY_INDIC);
+	if (!msg)
+		return -ENOBUFS;
+
+	NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
+	NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
+	NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
+			dev->dev_addr);
+	NLA_PUT_U16(msg, IEEE802154_ATTR_COORD_SHORT_ADDR, coord_addr);
+	NLA_PUT_U16(msg, IEEE802154_ATTR_COORD_PAN_ID, panid);
+
+	return ieee802154_nl_mcast(msg, ieee802154_coord_mcgrp.id);
+
+nla_put_failure:
+	nlmsg_free(msg);
+	return -ENOBUFS;
+}
+EXPORT_SYMBOL(ieee802154_nl_beacon_indic);
+
+int ieee802154_nl_scan_confirm(struct net_device *dev,
+		u8 status, u8 scan_type, u32 unscanned, u8 page,
+		u8 *edl/* , struct list_head *pan_desc_list */)
+{
+	struct sk_buff *msg;
+
+	pr_debug("%s\n", __func__);
+
+	msg = ieee802154_nl_create(0, IEEE802154_SCAN_CONF);
+	if (!msg)
+		return -ENOBUFS;
+
+	NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
+	NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
+	NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
+			dev->dev_addr);
+
+	NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS, status);
+	NLA_PUT_U8(msg, IEEE802154_ATTR_SCAN_TYPE, scan_type);
+	NLA_PUT_U32(msg, IEEE802154_ATTR_CHANNELS, unscanned);
+	NLA_PUT_U8(msg, IEEE802154_ATTR_PAGE, page);
+
+	if (edl)
+		NLA_PUT(msg, IEEE802154_ATTR_ED_LIST, 27, edl);
+
+	return ieee802154_nl_mcast(msg, ieee802154_coord_mcgrp.id);
+
+nla_put_failure:
+	nlmsg_free(msg);
+	return -ENOBUFS;
+}
+EXPORT_SYMBOL(ieee802154_nl_scan_confirm);
+
+int ieee802154_nl_start_confirm(struct net_device *dev, u8 status)
+{
+	struct sk_buff *msg;
+
+	pr_debug("%s\n", __func__);
+
+	msg = ieee802154_nl_create(0, IEEE802154_START_CONF);
+	if (!msg)
+		return -ENOBUFS;
+
+	NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
+	NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
+	NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
+			dev->dev_addr);
+
+	NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS, status);
+
+	return ieee802154_nl_mcast(msg, ieee802154_coord_mcgrp.id);
+
+nla_put_failure:
+	nlmsg_free(msg);
+	return -ENOBUFS;
+}
+EXPORT_SYMBOL(ieee802154_nl_start_confirm);
+
+static int ieee802154_nl_fill_iface(struct sk_buff *msg, u32 pid,
+	u32 seq, int flags, struct net_device *dev)
+{
+	void *hdr;
+
+	pr_debug("%s\n", __func__);
+
+	hdr = genlmsg_put(msg, 0, seq, &nl802154_family, flags,
+		IEEE802154_LIST_IFACE);
+	if (!hdr)
+		goto out;
+
+	NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
+	NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
+
+	NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
+		dev->dev_addr);
+	NLA_PUT_U16(msg, IEEE802154_ATTR_SHORT_ADDR,
+		ieee802154_mlme_ops(dev)->get_short_addr(dev));
+	NLA_PUT_U16(msg, IEEE802154_ATTR_PAN_ID,
+		ieee802154_mlme_ops(dev)->get_pan_id(dev));
+	return genlmsg_end(msg, hdr);
+
+nla_put_failure:
+	genlmsg_cancel(msg, hdr);
+out:
+	return -EMSGSIZE;
+}
+
+/* Requests from userspace */
+static struct net_device *ieee802154_nl_get_dev(struct genl_info *info)
+{
+	struct net_device *dev;
+
+	if (info->attrs[IEEE802154_ATTR_DEV_NAME]) {
+		char name[IFNAMSIZ + 1];
+		nla_strlcpy(name, info->attrs[IEEE802154_ATTR_DEV_NAME],
+				sizeof(name));
+		dev = dev_get_by_name(&init_net, name);
+	} else if (info->attrs[IEEE802154_ATTR_DEV_INDEX])
+		dev = dev_get_by_index(&init_net,
+			nla_get_u32(info->attrs[IEEE802154_ATTR_DEV_INDEX]));
+	else
+		return NULL;
+
+	if (!dev)
+		return NULL;
+
+	if (dev->type != ARPHRD_IEEE802154) {
+		dev_put(dev);
+		return NULL;
+	}
+
+	return dev;
+}
+
+static int ieee802154_associate_req(struct sk_buff *skb,
+		struct genl_info *info)
+{
+	struct net_device *dev;
+	struct ieee802154_addr addr;
+	u8 page;
+	int ret = -EINVAL;
+
+	if (!info->attrs[IEEE802154_ATTR_CHANNEL] ||
+	    !info->attrs[IEEE802154_ATTR_COORD_PAN_ID] ||
+	    (!info->attrs[IEEE802154_ATTR_COORD_HW_ADDR] &&
+		!info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]) ||
+	    !info->attrs[IEEE802154_ATTR_CAPABILITY])
+		return -EINVAL;
+
+	dev = ieee802154_nl_get_dev(info);
+	if (!dev)
+		return -ENODEV;
+
+	if (info->attrs[IEEE802154_ATTR_COORD_HW_ADDR]) {
+		addr.addr_type = IEEE802154_ADDR_LONG;
+		nla_memcpy(addr.hwaddr,
+				info->attrs[IEEE802154_ATTR_COORD_HW_ADDR],
+				IEEE802154_ADDR_LEN);
+	} else {
+		addr.addr_type = IEEE802154_ADDR_SHORT;
+		addr.short_addr = nla_get_u16(
+				info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]);
+	}
+	addr.pan_id = nla_get_u16(info->attrs[IEEE802154_ATTR_COORD_PAN_ID]);
+
+	if (info->attrs[IEEE802154_ATTR_PAGE])
+		page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]);
+	else
+		page = 0;
+
+	ret = ieee802154_mlme_ops(dev)->assoc_req(dev, &addr,
+			nla_get_u8(info->attrs[IEEE802154_ATTR_CHANNEL]),
+			page,
+			nla_get_u8(info->attrs[IEEE802154_ATTR_CAPABILITY]));
+
+	dev_put(dev);
+	return ret;
+}
+
+static int ieee802154_associate_resp(struct sk_buff *skb,
+		struct genl_info *info)
+{
+	struct net_device *dev;
+	struct ieee802154_addr addr;
+	int ret = -EINVAL;
+
+	if (!info->attrs[IEEE802154_ATTR_STATUS] ||
+	    !info->attrs[IEEE802154_ATTR_DEST_HW_ADDR] ||
+	    !info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR])
+		return -EINVAL;
+
+	dev = ieee802154_nl_get_dev(info);
+	if (!dev)
+		return -ENODEV;
+
+	addr.addr_type = IEEE802154_ADDR_LONG;
+	nla_memcpy(addr.hwaddr, info->attrs[IEEE802154_ATTR_DEST_HW_ADDR],
+			IEEE802154_ADDR_LEN);
+	addr.pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev);
+
+
+	ret = ieee802154_mlme_ops(dev)->assoc_resp(dev, &addr,
+		nla_get_u16(info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]),
+		nla_get_u8(info->attrs[IEEE802154_ATTR_STATUS]));
+
+	dev_put(dev);
+	return ret;
+}
+
+static int ieee802154_disassociate_req(struct sk_buff *skb,
+		struct genl_info *info)
+{
+	struct net_device *dev;
+	struct ieee802154_addr addr;
+	int ret = -EINVAL;
+
+	if ((!info->attrs[IEEE802154_ATTR_DEST_HW_ADDR] &&
+		!info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]) ||
+	    !info->attrs[IEEE802154_ATTR_REASON])
+		return -EINVAL;
+
+	dev = ieee802154_nl_get_dev(info);
+	if (!dev)
+		return -ENODEV;
+
+	if (info->attrs[IEEE802154_ATTR_DEST_HW_ADDR]) {
+		addr.addr_type = IEEE802154_ADDR_LONG;
+		nla_memcpy(addr.hwaddr,
+				info->attrs[IEEE802154_ATTR_DEST_HW_ADDR],
+				IEEE802154_ADDR_LEN);
+	} else {
+		addr.addr_type = IEEE802154_ADDR_SHORT;
+		addr.short_addr = nla_get_u16(
+				info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]);
+	}
+	addr.pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev);
+
+	ret = ieee802154_mlme_ops(dev)->disassoc_req(dev, &addr,
+			nla_get_u8(info->attrs[IEEE802154_ATTR_REASON]));
+
+	dev_put(dev);
+	return ret;
+}
+
+/*
+ * PANid, channel, beacon_order = 15, superframe_order = 15,
+ * PAN_coordinator, battery_life_extension = 0,
+ * coord_realignment = 0, security_enable = 0
+*/
+static int ieee802154_start_req(struct sk_buff *skb, struct genl_info *info)
+{
+	struct net_device *dev;
+	struct ieee802154_addr addr;
+
+	u8 channel, bcn_ord, sf_ord;
+	u8 page;
+	int pan_coord, blx, coord_realign;
+	int ret;
+
+	if (!info->attrs[IEEE802154_ATTR_COORD_PAN_ID] ||
+	    !info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR] ||
+	    !info->attrs[IEEE802154_ATTR_CHANNEL] ||
+	    !info->attrs[IEEE802154_ATTR_BCN_ORD] ||
+	    !info->attrs[IEEE802154_ATTR_SF_ORD] ||
+	    !info->attrs[IEEE802154_ATTR_PAN_COORD] ||
+	    !info->attrs[IEEE802154_ATTR_BAT_EXT] ||
+	    !info->attrs[IEEE802154_ATTR_COORD_REALIGN]
+	 )
+		return -EINVAL;
+
+	dev = ieee802154_nl_get_dev(info);
+	if (!dev)
+		return -ENODEV;
+
+	addr.addr_type = IEEE802154_ADDR_SHORT;
+	addr.short_addr = nla_get_u16(
+			info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]);
+	addr.pan_id = nla_get_u16(info->attrs[IEEE802154_ATTR_COORD_PAN_ID]);
+
+	channel = nla_get_u8(info->attrs[IEEE802154_ATTR_CHANNEL]);
+	bcn_ord = nla_get_u8(info->attrs[IEEE802154_ATTR_BCN_ORD]);
+	sf_ord = nla_get_u8(info->attrs[IEEE802154_ATTR_SF_ORD]);
+	pan_coord = nla_get_u8(info->attrs[IEEE802154_ATTR_PAN_COORD]);
+	blx = nla_get_u8(info->attrs[IEEE802154_ATTR_BAT_EXT]);
+	coord_realign = nla_get_u8(info->attrs[IEEE802154_ATTR_COORD_REALIGN]);
+
+	if (info->attrs[IEEE802154_ATTR_PAGE])
+		page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]);
+	else
+		page = 0;
+
+
+	if (addr.short_addr == IEEE802154_ADDR_BROADCAST) {
+		ieee802154_nl_start_confirm(dev, IEEE802154_NO_SHORT_ADDRESS);
+		dev_put(dev);
+		return -EINVAL;
+	}
+
+	ret = ieee802154_mlme_ops(dev)->start_req(dev, &addr, channel, page,
+		bcn_ord, sf_ord, pan_coord, blx, coord_realign);
+
+	dev_put(dev);
+	return ret;
+}
+
+static int ieee802154_scan_req(struct sk_buff *skb, struct genl_info *info)
+{
+	struct net_device *dev;
+	int ret;
+	u8 type;
+	u32 channels;
+	u8 duration;
+	u8 page;
+
+	if (!info->attrs[IEEE802154_ATTR_SCAN_TYPE] ||
+	    !info->attrs[IEEE802154_ATTR_CHANNELS] ||
+	    !info->attrs[IEEE802154_ATTR_DURATION])
+		return -EINVAL;
+
+	dev = ieee802154_nl_get_dev(info);
+	if (!dev)
+		return -ENODEV;
+
+	type = nla_get_u8(info->attrs[IEEE802154_ATTR_SCAN_TYPE]);
+	channels = nla_get_u32(info->attrs[IEEE802154_ATTR_CHANNELS]);
+	duration = nla_get_u8(info->attrs[IEEE802154_ATTR_DURATION]);
+
+	if (info->attrs[IEEE802154_ATTR_PAGE])
+		page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]);
+	else
+		page = 0;
+
+
+	ret = ieee802154_mlme_ops(dev)->scan_req(dev, type, channels, page,
+			duration);
+
+	dev_put(dev);
+	return ret;
+}
+
+static int ieee802154_list_iface(struct sk_buff *skb,
+	struct genl_info *info)
+{
+	/* Request for interface name, index, type, IEEE address,
+	   PAN Id, short address */
+	struct sk_buff *msg;
+	struct net_device *dev = NULL;
+	int rc = -ENOBUFS;
+
+	pr_debug("%s\n", __func__);
+
+	dev = ieee802154_nl_get_dev(info);
+	if (!dev)
+		return -ENODEV;
+
+	msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+	if (!msg)
+		goto out_dev;
+
+	rc = ieee802154_nl_fill_iface(msg, info->snd_pid, info->snd_seq,
+			0, dev);
+	if (rc < 0)
+		goto out_free;
+
+	dev_put(dev);
+
+	return genlmsg_reply(msg, info);
+out_free:
+	nlmsg_free(msg);
+out_dev:
+	dev_put(dev);
+	return rc;
+
+}
+
+static int ieee802154_dump_iface(struct sk_buff *skb,
+	struct netlink_callback *cb)
+{
+	struct net *net = sock_net(skb->sk);
+	struct net_device *dev;
+	int idx;
+	int s_idx = cb->args[0];
+
+	pr_debug("%s\n", __func__);
+
+	idx = 0;
+	for_each_netdev(net, dev) {
+		if (idx < s_idx || (dev->type != ARPHRD_IEEE802154))
+			goto cont;
+
+		if (ieee802154_nl_fill_iface(skb, NETLINK_CB(cb->skb).pid,
+			cb->nlh->nlmsg_seq, NLM_F_MULTI, dev) < 0)
+			break;
+cont:
+		idx++;
+	}
+	cb->args[0] = idx;
+
+	return skb->len;
+}
+
+static struct genl_ops ieee802154_coordinator_ops[] = {
+	IEEE802154_OP(IEEE802154_ASSOCIATE_REQ, ieee802154_associate_req),
+	IEEE802154_OP(IEEE802154_ASSOCIATE_RESP, ieee802154_associate_resp),
+	IEEE802154_OP(IEEE802154_DISASSOCIATE_REQ, ieee802154_disassociate_req),
+	IEEE802154_OP(IEEE802154_SCAN_REQ, ieee802154_scan_req),
+	IEEE802154_OP(IEEE802154_START_REQ, ieee802154_start_req),
+	IEEE802154_DUMP(IEEE802154_LIST_IFACE, ieee802154_list_iface,
+							ieee802154_dump_iface),
+};
+
+/*
+ * No need to unregister as family unregistration will do it.
+ */
+int nl802154_mac_register(void)
+{
+	int i;
+	int rc;
+
+	rc = genl_register_mc_group(&nl802154_family,
+			&ieee802154_coord_mcgrp);
+	if (rc)
+		return rc;
+
+	rc = genl_register_mc_group(&nl802154_family,
+			&ieee802154_beacon_mcgrp);
+	if (rc)
+		return rc;
+
+	for (i = 0; i < ARRAY_SIZE(ieee802154_coordinator_ops); i++) {
+		rc = genl_register_ops(&nl802154_family,
+				&ieee802154_coordinator_ops[i]);
+		if (rc)
+			return rc;
+	}
+
+	return 0;
+}
-- 
GitLab


From 1eaa9d03d3ee9156c8c405b006ce892ae28290ad Mon Sep 17 00:00:00 2001
From: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Date: Tue, 15 Sep 2009 17:04:44 +0400
Subject: [PATCH 0952/1815] ieee802154: add LIST_PHY command support

Add nl802154 command to get information about PHY's present in
the system.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
---
 include/linux/nl802154.h   |   4 +
 net/ieee802154/Makefile    |   2 +-
 net/ieee802154/netlink.c   |   4 +
 net/ieee802154/nl-phy.c    | 188 +++++++++++++++++++++++++++++++++++++
 net/ieee802154/nl_policy.c |   2 +
 5 files changed, 199 insertions(+), 1 deletion(-)
 create mode 100644 net/ieee802154/nl-phy.c

diff --git a/include/linux/nl802154.h b/include/linux/nl802154.h
index b7d9435d5a9..275fd94f472 100644
--- a/include/linux/nl802154.h
+++ b/include/linux/nl802154.h
@@ -65,6 +65,9 @@ enum {
 	IEEE802154_ATTR_SEC,
 
 	IEEE802154_ATTR_PAGE,
+	IEEE802154_ATTR_CHANNEL_PAGE_LIST,
+
+	IEEE802154_ATTR_PHY_NAME,
 
 	__IEEE802154_ATTR_MAX,
 };
@@ -114,6 +117,7 @@ enum {
 	IEEE802154_RX_ENABLE_CONF, /* Not supported yet */
 
 	IEEE802154_LIST_IFACE,
+	IEEE802154_LIST_PHY,
 
 	__IEEE802154_CMD_MAX,
 };
diff --git a/net/ieee802154/Makefile b/net/ieee802154/Makefile
index 69af9f6a404..ce2d3358285 100644
--- a/net/ieee802154/Makefile
+++ b/net/ieee802154/Makefile
@@ -1,5 +1,5 @@
 obj-$(CONFIG_IEEE802154) +=	ieee802154.o af_802154.o
-ieee802154-y		:= netlink.o nl-mac.o nl_policy.o wpan-class.o
+ieee802154-y		:= netlink.o nl-mac.o nl-phy.o nl_policy.o wpan-class.o
 af_802154-y		:= af_ieee802154.o raw.o dgram.o
 
 ccflags-y += -Wall -DDEBUG
diff --git a/net/ieee802154/netlink.c b/net/ieee802154/netlink.c
index 5b738ec7d9f..8a221737f75 100644
--- a/net/ieee802154/netlink.c
+++ b/net/ieee802154/netlink.c
@@ -87,6 +87,10 @@ int __init ieee802154_nl_init(void)
 	if (rc)
 		goto fail;
 
+	rc = nl802154_phy_register();
+	if (rc)
+		goto fail;
+
 	return 0;
 
 fail:
diff --git a/net/ieee802154/nl-phy.c b/net/ieee802154/nl-phy.c
new file mode 100644
index 00000000000..b7af722eb78
--- /dev/null
+++ b/net/ieee802154/nl-phy.c
@@ -0,0 +1,188 @@
+/*
+ * Netlink inteface for IEEE 802.15.4 stack
+ *
+ * Copyright 2007, 2008 Siemens AG
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Written by:
+ * Sergey Lapin <slapin@ossfans.org>
+ * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
+ * Maxim Osipov <maxim.osipov@siemens.com>
+ */
+
+#include <linux/kernel.h>
+#include <net/netlink.h>
+#include <net/genetlink.h>
+#include <net/wpan-phy.h>
+#include <linux/nl802154.h>
+
+#include "ieee802154.h"
+
+static int ieee802154_nl_fill_phy(struct sk_buff *msg, u32 pid,
+	u32 seq, int flags, struct wpan_phy *phy)
+{
+	void *hdr;
+	int i, pages = 0;
+	uint32_t *buf = kzalloc(32 * sizeof(uint32_t), GFP_KERNEL);
+
+	pr_debug("%s\n", __func__);
+
+	if (!buf)
+		goto out;
+
+	hdr = genlmsg_put(msg, 0, seq, &nl802154_family, flags,
+		IEEE802154_LIST_PHY);
+	if (!hdr)
+		goto out;
+
+	mutex_lock(&phy->pib_lock);
+	NLA_PUT_STRING(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy));
+
+	NLA_PUT_U8(msg, IEEE802154_ATTR_PAGE, phy->current_page);
+	NLA_PUT_U8(msg, IEEE802154_ATTR_CHANNEL, phy->current_channel);
+	for (i = 0; i < 32; i++) {
+		if (phy->channels_supported[i])
+			buf[pages++] = phy->channels_supported[i] | (i << 27);
+	}
+	if (pages)
+		NLA_PUT(msg, IEEE802154_ATTR_CHANNEL_PAGE_LIST,
+				pages * sizeof(uint32_t), buf);
+
+	mutex_unlock(&phy->pib_lock);
+	return genlmsg_end(msg, hdr);
+
+nla_put_failure:
+	mutex_unlock(&phy->pib_lock);
+	genlmsg_cancel(msg, hdr);
+out:
+	kfree(buf);
+	return -EMSGSIZE;
+}
+
+static int ieee802154_list_phy(struct sk_buff *skb,
+	struct genl_info *info)
+{
+	/* Request for interface name, index, type, IEEE address,
+	   PAN Id, short address */
+	struct sk_buff *msg;
+	struct wpan_phy *phy;
+	const char *name;
+	int rc = -ENOBUFS;
+
+	pr_debug("%s\n", __func__);
+
+	if (!info->attrs[IEEE802154_ATTR_PHY_NAME])
+		return -EINVAL;
+
+	name = nla_data(info->attrs[IEEE802154_ATTR_PHY_NAME]);
+	if (name[nla_len(info->attrs[IEEE802154_ATTR_PHY_NAME]) - 1] != '\0')
+		return -EINVAL; /* phy name should be null-terminated */
+
+
+	phy = wpan_phy_find(name);
+	if (!phy)
+		return -ENODEV;
+
+	msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+	if (!msg)
+		goto out_dev;
+
+	rc = ieee802154_nl_fill_phy(msg, info->snd_pid, info->snd_seq,
+			0, phy);
+	if (rc < 0)
+		goto out_free;
+
+	wpan_phy_put(phy);
+
+	return genlmsg_reply(msg, info);
+out_free:
+	nlmsg_free(msg);
+out_dev:
+	wpan_phy_put(phy);
+	return rc;
+
+}
+
+struct dump_phy_data {
+	struct sk_buff *skb;
+	struct netlink_callback *cb;
+	int idx, s_idx;
+};
+
+static int ieee802154_dump_phy_iter(struct wpan_phy *phy, void *_data)
+{
+	int rc;
+	struct dump_phy_data *data = _data;
+
+	pr_debug("%s\n", __func__);
+
+	if (data->idx++ < data->s_idx)
+		return 0;
+
+	rc = ieee802154_nl_fill_phy(data->skb,
+			NETLINK_CB(data->cb->skb).pid,
+			data->cb->nlh->nlmsg_seq,
+			NLM_F_MULTI,
+			phy);
+
+	if (rc < 0) {
+		data->idx--;
+		return rc;
+	}
+
+	return 0;
+}
+
+static int ieee802154_dump_phy(struct sk_buff *skb,
+	struct netlink_callback *cb)
+{
+	struct dump_phy_data data = {
+		.cb = cb,
+		.skb = skb,
+		.s_idx = cb->args[0],
+		.idx = 0,
+	};
+
+	pr_debug("%s\n", __func__);
+
+	wpan_phy_for_each(ieee802154_dump_phy_iter, &data);
+
+	cb->args[0] = data.idx;
+
+	return skb->len;
+}
+
+static struct genl_ops ieee802154_phy_ops[] = {
+	IEEE802154_DUMP(IEEE802154_LIST_PHY, ieee802154_list_phy,
+							ieee802154_dump_phy),
+};
+
+/*
+ * No need to unregister as family unregistration will do it.
+ */
+int nl802154_phy_register(void)
+{
+	int i;
+	int rc;
+
+	for (i = 0; i < ARRAY_SIZE(ieee802154_phy_ops); i++) {
+		rc = genl_register_ops(&nl802154_family,
+				&ieee802154_phy_ops[i]);
+		if (rc)
+			return rc;
+	}
+
+	return 0;
+}
diff --git a/net/ieee802154/nl_policy.c b/net/ieee802154/nl_policy.c
index 2363ebee02e..6adda4d46f9 100644
--- a/net/ieee802154/nl_policy.c
+++ b/net/ieee802154/nl_policy.c
@@ -27,6 +27,7 @@
 const struct nla_policy ieee802154_policy[IEEE802154_ATTR_MAX + 1] = {
 	[IEEE802154_ATTR_DEV_NAME] = { .type = NLA_STRING, },
 	[IEEE802154_ATTR_DEV_INDEX] = { .type = NLA_U32, },
+	[IEEE802154_ATTR_PHY_NAME] = { .type = NLA_STRING, },
 
 	[IEEE802154_ATTR_STATUS] = { .type = NLA_U8, },
 	[IEEE802154_ATTR_SHORT_ADDR] = { .type = NLA_U16, },
@@ -50,5 +51,6 @@ const struct nla_policy ieee802154_policy[IEEE802154_ATTR_MAX + 1] = {
 	[IEEE802154_ATTR_CHANNELS] = { .type = NLA_U32, },
 	[IEEE802154_ATTR_DURATION] = { .type = NLA_U8, },
 	[IEEE802154_ATTR_ED_LIST] = { .len = 27 },
+	[IEEE802154_ATTR_CHANNEL_PAGE_LIST] = { .len = 32 * 4, },
 };
 
-- 
GitLab


From c83b2077c8bfec097ab02a0eca60bd611fdc7944 Mon Sep 17 00:00:00 2001
From: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Date: Thu, 29 Oct 2009 16:32:46 +0300
Subject: [PATCH 0953/1815] fakehard: no need to export net_to_phy, make it
 static

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
---
 drivers/ieee802154/fakehard.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/ieee802154/fakehard.c b/drivers/ieee802154/fakehard.c
index 77fbb51157a..ccf83eb1e20 100644
--- a/drivers/ieee802154/fakehard.c
+++ b/drivers/ieee802154/fakehard.c
@@ -32,7 +32,7 @@
 #include <net/nl802154.h>
 #include <net/wpan-phy.h>
 
-struct wpan_phy *net_to_phy(struct net_device *dev)
+static struct wpan_phy *net_to_phy(struct net_device *dev)
 {
 	return container_of(dev->dev.parent, struct wpan_phy, dev);
 }
-- 
GitLab


From 478e87c23340e88e909aa749f4772838bc96a20b Mon Sep 17 00:00:00 2001
From: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Date: Tue, 22 Sep 2009 15:31:25 +0400
Subject: [PATCH 0954/1815] fakehard: claim all 2.4 Ghz channels as supported

Make fakehard device claim all 2.4 Ghz channels from 802.15.4-2006,
802.15.4a-2007 as supported by the hw.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
---
 drivers/ieee802154/fakehard.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/ieee802154/fakehard.c b/drivers/ieee802154/fakehard.c
index ccf83eb1e20..70a9f9c72fa 100644
--- a/drivers/ieee802154/fakehard.c
+++ b/drivers/ieee802154/fakehard.c
@@ -356,7 +356,15 @@ static int __devinit ieee802154fake_probe(struct platform_device *pdev)
 			dev->addr_len);
 	memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
 
-	phy->channels_supported[0] = (1 << 27) - 1;
+	/*
+	 * For now we'd like to emulate 2.4 GHz-only device,
+	 * both O-QPSK and CSS
+	 */
+	/* 2.4 GHz O-QPSK 802.15.4-2003 */
+	phy->channels_supported[0] |= 0x7FFF800;
+	/* 2.4 GHz CSS 802.15.4a-2007 */
+	phy->channels_supported[3] |= 0x3fff;
+
 	phy->transmit_power = 0xbf;
 
 	dev->netdev_ops = &fake_ops;
-- 
GitLab


From 42723448b8bacf60c96812196d7725d8d605d0c4 Mon Sep 17 00:00:00 2001
From: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Date: Wed, 4 Nov 2009 17:53:23 +0300
Subject: [PATCH 0955/1815] ieee802154: add an mlme_ops call to retrieve PHY
 object

ops->get_phy should increment reference to wpan-phy. As we return
the external structure, we should do refcounting correctly.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
---
 include/net/ieee802154_netdev.h | 6 ++++++
 include/net/wpan-phy.h          | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/include/net/ieee802154_netdev.h b/include/net/ieee802154_netdev.h
index d23fb5a94c9..57430555487 100644
--- a/include/net/ieee802154_netdev.h
+++ b/include/net/ieee802154_netdev.h
@@ -74,8 +74,12 @@ static inline int mac_cb_type(struct sk_buff *skb)
 #define IEEE802154_MAC_SCAN_PASSIVE	2
 #define IEEE802154_MAC_SCAN_ORPHAN	3
 
+struct wpan_phy;
 /*
  * This should be located at net_device->ml_priv
+ *
+ * get_phy should increment the reference counting on returned phy.
+ * Use wpan_wpy_put to put that reference.
  */
 struct ieee802154_mlme_ops {
 	int (*assoc_req)(struct net_device *dev,
@@ -94,6 +98,8 @@ struct ieee802154_mlme_ops {
 	int (*scan_req)(struct net_device *dev,
 			u8 type, u32 channels, u8 page, u8 duration);
 
+	struct wpan_phy *(*get_phy)(const struct net_device *dev);
+
 	/*
 	 * FIXME: these should become the part of PIB/MIB interface.
 	 * However we still don't have IB interface of any kind
diff --git a/include/net/wpan-phy.h b/include/net/wpan-phy.h
index f63537c1736..a65e98509fb 100644
--- a/include/net/wpan-phy.h
+++ b/include/net/wpan-phy.h
@@ -44,6 +44,8 @@ struct wpan_phy {
 	char priv[0] __attribute__((__aligned__(NETDEV_ALIGN)));
 };
 
+#define to_phy(_dev)	container_of(_dev, struct wpan_phy, dev)
+
 struct wpan_phy *wpan_phy_alloc(size_t priv_size);
 static inline void wpan_phy_set_dev(struct wpan_phy *phy, struct device *dev)
 {
-- 
GitLab


From 405cd39f331826d344f5f55bac5dbbc10a1c2813 Mon Sep 17 00:00:00 2001
From: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Date: Wed, 4 Nov 2009 17:53:40 +0300
Subject: [PATCH 0956/1815] fakehard: mlme_ops->get_phy implementation

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
---
 drivers/ieee802154/fakehard.c | 38 +++++++++++++++++++++++++++++------
 1 file changed, 32 insertions(+), 6 deletions(-)

diff --git a/drivers/ieee802154/fakehard.c b/drivers/ieee802154/fakehard.c
index 70a9f9c72fa..f877f13e3ab 100644
--- a/drivers/ieee802154/fakehard.c
+++ b/drivers/ieee802154/fakehard.c
@@ -32,9 +32,29 @@
 #include <net/nl802154.h>
 #include <net/wpan-phy.h>
 
-static struct wpan_phy *net_to_phy(struct net_device *dev)
+struct fakehard_priv {
+	struct wpan_phy *phy;
+};
+
+static struct wpan_phy *fake_to_phy(const struct net_device *dev)
+{
+	struct fakehard_priv *priv = netdev_priv(dev);
+	return priv->phy;
+}
+
+/**
+ * fake_get_phy - Return a phy corresponding to this device.
+ * @dev: The network device for which to return the wan-phy object
+ *
+ * This function returns a wpan-phy object corresponding to the passed
+ * network device. Reference counter for wpan-phy object is incremented,
+ * so when the wpan-phy isn't necessary, you should drop the reference
+ * via @wpan_phy_put() call.
+ */
+static struct wpan_phy *fake_get_phy(const struct net_device *dev)
 {
-	return container_of(dev->dev.parent, struct wpan_phy, dev);
+	struct wpan_phy *phy = fake_to_phy(dev);
+	return to_phy(get_device(&phy->dev));
 }
 
 /**
@@ -121,7 +141,7 @@ static u8 fake_get_bsn(const struct net_device *dev)
 static int fake_assoc_req(struct net_device *dev,
 		struct ieee802154_addr *addr, u8 channel, u8 page, u8 cap)
 {
-	struct wpan_phy *phy = net_to_phy(dev);
+	struct wpan_phy *phy = fake_to_phy(dev);
 
 	mutex_lock(&phy->pib_lock);
 	phy->current_channel = channel;
@@ -196,7 +216,7 @@ static int fake_start_req(struct net_device *dev, struct ieee802154_addr *addr,
 				u8 bcn_ord, u8 sf_ord, u8 pan_coord, u8 blx,
 				u8 coord_realign)
 {
-	struct wpan_phy *phy = net_to_phy(dev);
+	struct wpan_phy *phy = fake_to_phy(dev);
 
 	mutex_lock(&phy->pib_lock);
 	phy->current_channel = channel;
@@ -239,6 +259,8 @@ static struct ieee802154_mlme_ops fake_mlme = {
 	.start_req = fake_start_req,
 	.scan_req = fake_scan_req,
 
+	.get_phy = fake_get_phy,
+
 	.get_pan_id = fake_get_pan_id,
 	.get_short_addr = fake_get_short_addr,
 	.get_dsn = fake_get_dsn,
@@ -313,7 +335,7 @@ static const struct net_device_ops fake_ops = {
 
 static void ieee802154_fake_destruct(struct net_device *dev)
 {
-	struct wpan_phy *phy = net_to_phy(dev);
+	struct wpan_phy *phy = fake_to_phy(dev);
 
 	wpan_phy_unregister(phy);
 	free_netdev(dev);
@@ -338,13 +360,14 @@ static void ieee802154_fake_setup(struct net_device *dev)
 static int __devinit ieee802154fake_probe(struct platform_device *pdev)
 {
 	struct net_device *dev;
+	struct fakehard_priv *priv;
 	struct wpan_phy *phy = wpan_phy_alloc(0);
 	int err;
 
 	if (!phy)
 		return -ENOMEM;
 
-	dev = alloc_netdev(0, "hardwpan%d", ieee802154_fake_setup);
+	dev = alloc_netdev(sizeof(struct fakehard_priv), "hardwpan%d", ieee802154_fake_setup);
 	if (!dev) {
 		wpan_phy_free(phy);
 		return -ENOMEM;
@@ -370,6 +393,9 @@ static int __devinit ieee802154fake_probe(struct platform_device *pdev)
 	dev->netdev_ops = &fake_ops;
 	dev->ml_priv = &fake_mlme;
 
+	priv = netdev_priv(dev);
+	priv->phy = phy;
+
 	/*
 	 * If the name is a format string the caller wants us to do a
 	 * name allocation.
-- 
GitLab


From 339b4ca5f68c7fd02eae54e9ce49c4b5f5d8b545 Mon Sep 17 00:00:00 2001
From: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Date: Wed, 4 Nov 2009 18:05:38 +0300
Subject: [PATCH 0957/1815] ieee802154: add two nl802154 helpers

Add two nl802154 helpers: one for starting a reply message, one for sending.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
---
 net/ieee802154/ieee802154.h |  5 +++++
 net/ieee802154/netlink.c    | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 38 insertions(+)

diff --git a/net/ieee802154/ieee802154.h b/net/ieee802154/ieee802154.h
index 0790eb06d68..aadec428e6e 100644
--- a/net/ieee802154/ieee802154.h
+++ b/net/ieee802154/ieee802154.h
@@ -38,8 +38,13 @@ void __exit ieee802154_nl_exit(void);
 		.dumpit	= _dump,			\
 	}
 
+struct genl_info;
+
 struct sk_buff *ieee802154_nl_create(int flags, u8 req);
 int ieee802154_nl_mcast(struct sk_buff *msg, unsigned int group);
+struct sk_buff *ieee802154_nl_new_reply(struct genl_info *info,
+		int flags, u8 req);
+int ieee802154_nl_reply(struct sk_buff *msg, struct genl_info *info);
 
 extern struct genl_family nl802154_family;
 int nl802154_mac_register(void);
diff --git a/net/ieee802154/netlink.c b/net/ieee802154/netlink.c
index 8a221737f75..33137b99e47 100644
--- a/net/ieee802154/netlink.c
+++ b/net/ieee802154/netlink.c
@@ -75,6 +75,39 @@ out:
 	return -ENOBUFS;
 }
 
+struct sk_buff *ieee802154_nl_new_reply(struct genl_info *info,
+		int flags, u8 req)
+{
+	void *hdr;
+	struct sk_buff *msg = nlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC);
+
+	if (!msg)
+		return NULL;
+
+	hdr = genlmsg_put_reply(msg, info,
+			&nl802154_family, flags, req);
+	if (!hdr) {
+		nlmsg_free(msg);
+		return NULL;
+	}
+
+	return msg;
+}
+
+int ieee802154_nl_reply(struct sk_buff *msg, struct genl_info *info)
+{
+	/* XXX: nlh is right at the start of msg */
+	void *hdr = genlmsg_data(NLMSG_DATA(msg->data));
+
+	if (genlmsg_end(msg, hdr) < 0)
+		goto out;
+
+	return genlmsg_reply(msg, info);
+out:
+	nlmsg_free(msg);
+	return -ENOBUFS;
+}
+
 int __init ieee802154_nl_init(void)
 {
 	int rc;
-- 
GitLab


From 0a868b26c8ba32f6988f87dd81697917a2f612b6 Mon Sep 17 00:00:00 2001
From: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Date: Thu, 29 Oct 2009 16:28:52 +0300
Subject: [PATCH 0958/1815] ieee802154: add PHY_NAME to LIST_IFACE command
 results

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
---
 net/ieee802154/nl-mac.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/net/ieee802154/nl-mac.c b/net/ieee802154/nl-mac.c
index e8816bf7c31..135c1678fb1 100644
--- a/net/ieee802154/nl-mac.c
+++ b/net/ieee802154/nl-mac.c
@@ -33,6 +33,7 @@
 #include <net/nl802154.h>
 #include <net/ieee802154.h>
 #include <net/ieee802154_netdev.h>
+#include <net/wpan-phy.h>
 
 #include "ieee802154.h"
 
@@ -251,6 +252,7 @@ static int ieee802154_nl_fill_iface(struct sk_buff *msg, u32 pid,
 	u32 seq, int flags, struct net_device *dev)
 {
 	void *hdr;
+	struct wpan_phy *phy;
 
 	pr_debug("%s\n", __func__);
 
@@ -259,7 +261,11 @@ static int ieee802154_nl_fill_iface(struct sk_buff *msg, u32 pid,
 	if (!hdr)
 		goto out;
 
+	phy = ieee802154_mlme_ops(dev)->get_phy(dev);
+	BUG_ON(!phy);
+
 	NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
+	NLA_PUT_STRING(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy));
 	NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
 
 	NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
@@ -268,9 +274,11 @@ static int ieee802154_nl_fill_iface(struct sk_buff *msg, u32 pid,
 		ieee802154_mlme_ops(dev)->get_short_addr(dev));
 	NLA_PUT_U16(msg, IEEE802154_ATTR_PAN_ID,
 		ieee802154_mlme_ops(dev)->get_pan_id(dev));
+	wpan_phy_put(phy);
 	return genlmsg_end(msg, hdr);
 
 nla_put_failure:
+	wpan_phy_put(phy);
 	genlmsg_cancel(msg, hdr);
 out:
 	return -EMSGSIZE;
-- 
GitLab


From bb1cafb8fc414d6dbe933f888df6540c2ef02101 Mon Sep 17 00:00:00 2001
From: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Date: Thu, 5 Nov 2009 16:56:23 +0300
Subject: [PATCH 0959/1815] ieee802154: add support for creation/removal of
 logic interfaces

Add support for two more NL802154 commands: ADD_IFACE and DEL_IFACE,
thus allowing creation and removal of logic WPAN interfaces on the top
of wpan-phy.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
---
 include/linux/nl802154.h |   2 +
 include/net/wpan-phy.h   |   4 +
 net/ieee802154/nl-phy.c  | 156 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 162 insertions(+)

diff --git a/include/linux/nl802154.h b/include/linux/nl802154.h
index 275fd94f472..33d9f517510 100644
--- a/include/linux/nl802154.h
+++ b/include/linux/nl802154.h
@@ -118,6 +118,8 @@ enum {
 
 	IEEE802154_LIST_IFACE,
 	IEEE802154_LIST_PHY,
+	IEEE802154_ADD_IFACE,
+	IEEE802154_DEL_IFACE,
 
 	__IEEE802154_CMD_MAX,
 };
diff --git a/include/net/wpan-phy.h b/include/net/wpan-phy.h
index a65e98509fb..85926231c07 100644
--- a/include/net/wpan-phy.h
+++ b/include/net/wpan-phy.h
@@ -41,6 +41,10 @@ struct wpan_phy {
 	struct device dev;
 	int idx;
 
+	struct net_device *(*add_iface)(struct wpan_phy *phy,
+			const char *name);
+	void (*del_iface)(struct wpan_phy *phy, struct net_device *dev);
+
 	char priv[0] __attribute__((__aligned__(NETDEV_ALIGN)));
 };
 
diff --git a/net/ieee802154/nl-phy.c b/net/ieee802154/nl-phy.c
index b7af722eb78..199a2d9d12f 100644
--- a/net/ieee802154/nl-phy.c
+++ b/net/ieee802154/nl-phy.c
@@ -26,6 +26,9 @@
 #include <net/netlink.h>
 #include <net/genetlink.h>
 #include <net/wpan-phy.h>
+#include <net/af_ieee802154.h>
+#include <net/ieee802154_netdev.h>
+#include <net/rtnetlink.h> /* for rtnl_{un,}lock */
 #include <linux/nl802154.h>
 
 #include "ieee802154.h"
@@ -164,9 +167,162 @@ static int ieee802154_dump_phy(struct sk_buff *skb,
 	return skb->len;
 }
 
+static int ieee802154_add_iface(struct sk_buff *skb,
+		struct genl_info *info)
+{
+	struct sk_buff *msg;
+	struct wpan_phy *phy;
+	const char *name;
+	const char *devname;
+	int rc = -ENOBUFS;
+	struct net_device *dev;
+
+	pr_debug("%s\n", __func__);
+
+	if (!info->attrs[IEEE802154_ATTR_PHY_NAME])
+		return -EINVAL;
+
+	name = nla_data(info->attrs[IEEE802154_ATTR_PHY_NAME]);
+	if (name[nla_len(info->attrs[IEEE802154_ATTR_PHY_NAME]) - 1] != '\0')
+		return -EINVAL; /* phy name should be null-terminated */
+
+	if (info->attrs[IEEE802154_ATTR_DEV_NAME]) {
+		devname = nla_data(info->attrs[IEEE802154_ATTR_DEV_NAME]);
+		if (devname[nla_len(info->attrs[IEEE802154_ATTR_DEV_NAME]) - 1]
+				!= '\0')
+			return -EINVAL; /* phy name should be null-terminated */
+	} else  {
+		devname = "wpan%d";
+	}
+
+	if (strlen(devname) >= IFNAMSIZ)
+		return -ENAMETOOLONG;
+
+	phy = wpan_phy_find(name);
+	if (!phy)
+		return -ENODEV;
+
+	msg = ieee802154_nl_new_reply(info, 0, IEEE802154_ADD_IFACE);
+	if (!msg)
+		goto out_dev;
+
+	if (!phy->add_iface) {
+		rc = -EINVAL;
+		goto nla_put_failure;
+	}
+
+	dev = phy->add_iface(phy, devname);
+	if (IS_ERR(dev)) {
+		rc = PTR_ERR(dev);
+		goto nla_put_failure;
+	}
+
+	NLA_PUT_STRING(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy));
+	NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
+
+	dev_put(dev);
+
+	wpan_phy_put(phy);
+
+	return ieee802154_nl_reply(msg, info);
+
+nla_put_failure:
+	nlmsg_free(msg);
+out_dev:
+	wpan_phy_put(phy);
+	return rc;
+}
+
+static int ieee802154_del_iface(struct sk_buff *skb,
+		struct genl_info *info)
+{
+	struct sk_buff *msg;
+	struct wpan_phy *phy;
+	const char *name;
+	int rc;
+	struct net_device *dev;
+
+	pr_debug("%s\n", __func__);
+
+	if (!info->attrs[IEEE802154_ATTR_DEV_NAME])
+		return -EINVAL;
+
+	name = nla_data(info->attrs[IEEE802154_ATTR_DEV_NAME]);
+	if (name[nla_len(info->attrs[IEEE802154_ATTR_DEV_NAME]) - 1] != '\0')
+		return -EINVAL; /* name should be null-terminated */
+
+	dev = dev_get_by_name(genl_info_net(info), name);
+	if (!dev)
+		return -ENODEV;
+
+	phy = ieee802154_mlme_ops(dev)->get_phy(dev);
+	BUG_ON(!phy);
+
+	rc = -EINVAL;
+	/* phy name is optional, but should be checked if it's given */
+	if (info->attrs[IEEE802154_ATTR_PHY_NAME]) {
+		struct wpan_phy *phy2;
+
+		const char *pname =
+			nla_data(info->attrs[IEEE802154_ATTR_PHY_NAME]);
+		if (pname[nla_len(info->attrs[IEEE802154_ATTR_PHY_NAME]) - 1]
+				!= '\0')
+			/* name should be null-terminated */
+			goto out_dev;
+
+		phy2 = wpan_phy_find(pname);
+		if (!phy2)
+			goto out_dev;
+
+		if (phy != phy2) {
+			wpan_phy_put(phy2);
+			goto out_dev;
+		}
+	}
+
+	rc = -ENOBUFS;
+
+	msg = ieee802154_nl_new_reply(info, 0, IEEE802154_DEL_IFACE);
+	if (!msg)
+		goto out_dev;
+
+	if (!phy->del_iface) {
+		rc = -EINVAL;
+		goto nla_put_failure;
+	}
+
+	rtnl_lock();
+	phy->del_iface(phy, dev);
+
+	/* We don't have device anymore */
+	dev_put(dev);
+	dev = NULL;
+
+	rtnl_unlock();
+
+
+	NLA_PUT_STRING(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy));
+	NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, name);
+
+	wpan_phy_put(phy);
+
+	return ieee802154_nl_reply(msg, info);
+
+nla_put_failure:
+	nlmsg_free(msg);
+out_dev:
+	wpan_phy_put(phy);
+	if (dev)
+		dev_put(dev);
+
+	return rc;
+}
+
 static struct genl_ops ieee802154_phy_ops[] = {
 	IEEE802154_DUMP(IEEE802154_LIST_PHY, ieee802154_list_phy,
 							ieee802154_dump_phy),
+	IEEE802154_OP(IEEE802154_ADD_IFACE, ieee802154_add_iface),
+	IEEE802154_OP(IEEE802154_DEL_IFACE, ieee802154_del_iface),
 };
 
 /*
-- 
GitLab


From dee5817e88ac8195e5938d6671f434a071e35698 Mon Sep 17 00:00:00 2001
From: Patrick McHardy <kaber@trash.net>
Date: Fri, 6 Nov 2009 17:04:00 +0100
Subject: [PATCH 0960/1815] netfilter: remove unneccessary checks from netlink
 notifiers

The NETLINK_URELEASE notifier is only invoked for bound sockets, so
there is no need to check ->pid again.

Signed-off-by: Patrick McHardy <kaber@trash.net>
---
 net/ipv4/netfilter/ip_queue.c   | 3 +--
 net/ipv6/netfilter/ip6_queue.c  | 3 +--
 net/netfilter/nfnetlink_log.c   | 3 +--
 net/netfilter/nfnetlink_queue.c | 3 +--
 4 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c
index 9811a456fb5..9f078709195 100644
--- a/net/ipv4/netfilter/ip_queue.c
+++ b/net/ipv4/netfilter/ip_queue.c
@@ -497,8 +497,7 @@ ipq_rcv_nl_event(struct notifier_block *this,
 {
 	struct netlink_notify *n = ptr;
 
-	if (event == NETLINK_URELEASE &&
-	    n->protocol == NETLINK_FIREWALL && n->pid) {
+	if (event == NETLINK_URELEASE && n->protocol == NETLINK_FIREWALL) {
 		write_lock_bh(&queue_lock);
 		if ((n->net == &init_net) && (n->pid == peer_pid))
 			__ipq_reset();
diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c
index a82016fd5d6..47a3623e711 100644
--- a/net/ipv6/netfilter/ip6_queue.c
+++ b/net/ipv6/netfilter/ip6_queue.c
@@ -499,8 +499,7 @@ ipq_rcv_nl_event(struct notifier_block *this,
 {
 	struct netlink_notify *n = ptr;
 
-	if (event == NETLINK_URELEASE &&
-	    n->protocol == NETLINK_IP6_FW && n->pid) {
+	if (event == NETLINK_URELEASE && n->protocol == NETLINK_IP6_FW) {
 		write_lock_bh(&queue_lock);
 		if ((n->net == &init_net) && (n->pid == peer_pid))
 			__ipq_reset();
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index f900dc3194a..3aa66b2f9e8 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -666,8 +666,7 @@ nfulnl_rcv_nl_event(struct notifier_block *this,
 {
 	struct netlink_notify *n = ptr;
 
-	if (event == NETLINK_URELEASE &&
-	    n->protocol == NETLINK_NETFILTER && n->pid) {
+	if (event == NETLINK_URELEASE && n->protocol == NETLINK_NETFILTER) {
 		int i;
 
 		/* destroy all instances for this pid */
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index 7a9dec9fb82..7e3fa410641 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -574,8 +574,7 @@ nfqnl_rcv_nl_event(struct notifier_block *this,
 {
 	struct netlink_notify *n = ptr;
 
-	if (event == NETLINK_URELEASE &&
-	    n->protocol == NETLINK_NETFILTER && n->pid) {
+	if (event == NETLINK_URELEASE && n->protocol == NETLINK_NETFILTER) {
 		int i;
 
 		/* destroy all instances for this pid */
-- 
GitLab


From abbb505dddef31707d06ff26539639ccdfa56f45 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:33:05 +0100
Subject: [PATCH 0961/1815] rt2800usb: add rt2800_register_[read,write]()
 wrappers

Part of preparations for later code unification.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800usb.c | 384 ++++++++++++------------
 drivers/net/wireless/rt2x00/rt2800usb.h |  21 ++
 2 files changed, 213 insertions(+), 192 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 39a652bc29d..73e7f2bafe1 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -46,7 +46,7 @@ MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
 /*
  * Register access.
  * All access to the CSR registers will go through the methods
- * rt2x00usb_register_read and rt2x00usb_register_write.
+ * rt2800_register_read and rt2800_register_write.
  * BBP and RF register require indirect register access,
  * and use the CSR registers BBPCSR and RFCSR to achieve this.
  * These indirect registers work with busy bits,
@@ -85,7 +85,7 @@ static void rt2800usb_bbp_write(struct rt2x00_dev *rt2x00dev,
 		rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
 		rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 0);
 
-		rt2x00usb_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
+		rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
 	}
 
 	mutex_unlock(&rt2x00dev->csr_mutex);
@@ -112,7 +112,7 @@ static void rt2800usb_bbp_read(struct rt2x00_dev *rt2x00dev,
 		rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
 		rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 1);
 
-		rt2x00usb_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
+		rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
 
 		WAIT_FOR_BBP(rt2x00dev, &reg);
 	}
@@ -140,7 +140,7 @@ static void rt2800usb_rfcsr_write(struct rt2x00_dev *rt2x00dev,
 		rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 1);
 		rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
 
-		rt2x00usb_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
+		rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
 	}
 
 	mutex_unlock(&rt2x00dev->csr_mutex);
@@ -167,7 +167,7 @@ static void rt2800usb_rfcsr_read(struct rt2x00_dev *rt2x00dev,
 		rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 0);
 		rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
 
-		rt2x00usb_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
+		rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
 
 		WAIT_FOR_RFCSR(rt2x00dev, &reg);
 	}
@@ -195,7 +195,7 @@ static void rt2800usb_rf_write(struct rt2x00_dev *rt2x00dev,
 		rt2x00_set_field32(&reg, RF_CSR_CFG0_SEL, 0);
 		rt2x00_set_field32(&reg, RF_CSR_CFG0_BUSY, 1);
 
-		rt2x00usb_register_write_lock(rt2x00dev, RF_CSR_CFG0, reg);
+		rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG0, reg);
 		rt2x00_rf_write(rt2x00dev, word, value);
 	}
 
@@ -219,11 +219,11 @@ static void rt2800usb_mcu_request(struct rt2x00_dev *rt2x00dev,
 		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_CMD_TOKEN, token);
 		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG0, arg0);
 		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG1, arg1);
-		rt2x00usb_register_write_lock(rt2x00dev, H2M_MAILBOX_CSR, reg);
+		rt2800_register_write_lock(rt2x00dev, H2M_MAILBOX_CSR, reg);
 
 		reg = 0;
 		rt2x00_set_field32(&reg, HOST_CMD_CSR_HOST_COMMAND, command);
-		rt2x00usb_register_write_lock(rt2x00dev, HOST_CMD_CSR, reg);
+		rt2800_register_write_lock(rt2x00dev, HOST_CMD_CSR, reg);
 	}
 
 	mutex_unlock(&rt2x00dev->csr_mutex);
@@ -233,8 +233,8 @@ static void rt2800usb_mcu_request(struct rt2x00_dev *rt2x00dev,
 static const struct rt2x00debug rt2800usb_rt2x00debug = {
 	.owner	= THIS_MODULE,
 	.csr	= {
-		.read		= rt2x00usb_register_read,
-		.write		= rt2x00usb_register_write,
+		.read		= rt2800_register_read,
+		.write		= rt2800_register_write,
 		.flags		= RT2X00DEBUGFS_OFFSET,
 		.word_base	= CSR_REG_BASE,
 		.word_size	= sizeof(u32),
@@ -268,7 +268,7 @@ static int rt2800usb_rfkill_poll(struct rt2x00_dev *rt2x00dev)
 {
 	u32 reg;
 
-	rt2x00usb_register_read(rt2x00dev, GPIO_CTRL_CFG, &reg);
+	rt2800_register_read(rt2x00dev, GPIO_CTRL_CFG, &reg);
 	return rt2x00_get_field32(reg, GPIO_CTRL_CFG_BIT2);
 }
 
@@ -317,7 +317,7 @@ static int rt2800usb_blink_set(struct led_classdev *led_cdev,
 	    container_of(led_cdev, struct rt2x00_led, led_dev);
 	u32 reg;
 
-	rt2x00usb_register_read(led->rt2x00dev, LED_CFG, &reg);
+	rt2800_register_read(led->rt2x00dev, LED_CFG, &reg);
 	rt2x00_set_field32(&reg, LED_CFG_ON_PERIOD, *delay_on);
 	rt2x00_set_field32(&reg, LED_CFG_OFF_PERIOD, *delay_off);
 	rt2x00_set_field32(&reg, LED_CFG_SLOW_BLINK_PERIOD, 3);
@@ -325,7 +325,7 @@ static int rt2800usb_blink_set(struct led_classdev *led_cdev,
 	rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, 12);
 	rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE, 3);
 	rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, 1);
-	rt2x00usb_register_write(led->rt2x00dev, LED_CFG, reg);
+	rt2800_register_write(led->rt2x00dev, LED_CFG, reg);
 
 	return 0;
 }
@@ -356,7 +356,7 @@ static void rt2800usb_config_wcid_attr(struct rt2x00_dev *rt2x00dev,
 
 	offset = MAC_WCID_ATTR_ENTRY(key->hw_key_idx);
 
-	rt2x00usb_register_read(rt2x00dev, offset, &reg);
+	rt2800_register_read(rt2x00dev, offset, &reg);
 	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_KEYTAB,
 			   !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE));
 	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER,
@@ -364,7 +364,7 @@ static void rt2800usb_config_wcid_attr(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX,
 			   (crypto->cmd == SET_KEY) * crypto->bssidx);
 	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, crypto->cipher);
-	rt2x00usb_register_write(rt2x00dev, offset, reg);
+	rt2800_register_write(rt2x00dev, offset, reg);
 
 	offset = MAC_IVEIV_ENTRY(key->hw_key_idx);
 
@@ -422,10 +422,10 @@ static int rt2800usb_config_shared_key(struct rt2x00_dev *rt2x00dev,
 
 	offset = SHARED_KEY_MODE_ENTRY(key->hw_key_idx / 8);
 
-	rt2x00usb_register_read(rt2x00dev, offset, &reg);
+	rt2800_register_read(rt2x00dev, offset, &reg);
 	rt2x00_set_field32(&reg, field,
 			   (crypto->cmd == SET_KEY) * crypto->cipher);
-	rt2x00usb_register_write(rt2x00dev, offset, reg);
+	rt2800_register_write(rt2x00dev, offset, reg);
 
 	/*
 	 * Update WCID information
@@ -484,7 +484,7 @@ static void rt2800usb_config_filter(struct rt2x00_dev *rt2x00dev,
 	 * and broadcast frames will always be accepted since
 	 * there is no filter for it at this time.
 	 */
-	rt2x00usb_register_read(rt2x00dev, RX_FILTER_CFG, &reg);
+	rt2800_register_read(rt2x00dev, RX_FILTER_CFG, &reg);
 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CRC_ERROR,
 			   !(filter_flags & FIF_FCSFAIL));
 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PHY_ERROR,
@@ -513,7 +513,7 @@ static void rt2800usb_config_filter(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BAR, 0);
 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CNTL,
 			   !(filter_flags & FIF_CONTROL));
-	rt2x00usb_register_write(rt2x00dev, RX_FILTER_CFG, reg);
+	rt2800_register_write(rt2x00dev, RX_FILTER_CFG, reg);
 }
 
 static void rt2800usb_config_intf(struct rt2x00_dev *rt2x00dev,
@@ -532,16 +532,16 @@ static void rt2800usb_config_intf(struct rt2x00_dev *rt2x00dev,
 		 * bits which (when set to 0) will invalidate the entire beacon.
 		 */
 		beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
-		rt2x00usb_register_write(rt2x00dev, beacon_base, 0);
+		rt2800_register_write(rt2x00dev, beacon_base, 0);
 
 		/*
 		 * Enable synchronisation.
 		 */
-		rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
+		rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
 		rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
 		rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, conf->sync);
 		rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
-		rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+		rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
 	}
 
 	if (flags & CONFIG_UPDATE_MAC) {
@@ -569,43 +569,43 @@ static void rt2800usb_config_erp(struct rt2x00_dev *rt2x00dev,
 {
 	u32 reg;
 
-	rt2x00usb_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
 	rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_RX_ACK_TIMEOUT, 0x20);
-	rt2x00usb_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
+	rt2800_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
 
-	rt2x00usb_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
+	rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
 	rt2x00_set_field32(&reg, AUTO_RSP_CFG_BAC_ACK_POLICY,
 			   !!erp->short_preamble);
 	rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE,
 			   !!erp->short_preamble);
-	rt2x00usb_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
+	rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
 
-	rt2x00usb_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL,
 			   erp->cts_protection ? 2 : 0);
-	rt2x00usb_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
+	rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
 
-	rt2x00usb_register_write(rt2x00dev, LEGACY_BASIC_RATE,
+	rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE,
 				 erp->basic_rates);
-	rt2x00usb_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
+	rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
 
-	rt2x00usb_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
 	rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME, erp->slot_time);
 	rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_CC_DELAY_TIME, 2);
-	rt2x00usb_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
+	rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
 
-	rt2x00usb_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
+	rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
 	rt2x00_set_field32(&reg, XIFS_TIME_CFG_CCKM_SIFS_TIME, erp->sifs);
 	rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_SIFS_TIME, erp->sifs);
 	rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_XIFS_TIME, 4);
 	rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, erp->eifs);
 	rt2x00_set_field32(&reg, XIFS_TIME_CFG_BB_RXEND_ENABLE, 1);
-	rt2x00usb_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
+	rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
 
-	rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
+	rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
 	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL,
 			   erp->beacon_int * 16);
-	rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+	rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
 }
 
 static void rt2800usb_config_ant(struct rt2x00_dev *rt2x00dev,
@@ -813,11 +813,11 @@ static void rt2800usb_config_channel(struct rt2x00_dev *rt2x00dev,
 			rt2800usb_bbp_write(rt2x00dev, 75, 0x50);
 	}
 
-	rt2x00usb_register_read(rt2x00dev, TX_BAND_CFG, &reg);
+	rt2800_register_read(rt2x00dev, TX_BAND_CFG, &reg);
 	rt2x00_set_field32(&reg, TX_BAND_CFG_HT40_PLUS, conf_is_ht40_plus(conf));
 	rt2x00_set_field32(&reg, TX_BAND_CFG_A, rf->channel > 14);
 	rt2x00_set_field32(&reg, TX_BAND_CFG_BG, rf->channel <= 14);
-	rt2x00usb_register_write(rt2x00dev, TX_BAND_CFG, reg);
+	rt2800_register_write(rt2x00dev, TX_BAND_CFG, reg);
 
 	tx_pin = 0;
 
@@ -840,7 +840,7 @@ static void rt2800usb_config_channel(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, rf->channel <= 14);
 	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, rf->channel > 14);
 
-	rt2x00usb_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
+	rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
 
 	rt2800usb_bbp_read(rt2x00dev, 4, &bbp);
 	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf));
@@ -876,7 +876,7 @@ static void rt2800usb_config_txpower(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field8(&reg, BBP1_TX_POWER, 0);
 	rt2800usb_bbp_write(rt2x00dev, 1, r1);
 
-	rt2x00usb_register_read(rt2x00dev, TX_PWR_CFG_0, &reg);
+	rt2800_register_read(rt2x00dev, TX_PWR_CFG_0, &reg);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_0_1MBS, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_0_2MBS, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_0_55MBS, value);
@@ -885,9 +885,9 @@ static void rt2800usb_config_txpower(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&reg, TX_PWR_CFG_0_9MBS, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_0_12MBS, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_0_18MBS, value);
-	rt2x00usb_register_write(rt2x00dev, TX_PWR_CFG_0, reg);
+	rt2800_register_write(rt2x00dev, TX_PWR_CFG_0, reg);
 
-	rt2x00usb_register_read(rt2x00dev, TX_PWR_CFG_1, &reg);
+	rt2800_register_read(rt2x00dev, TX_PWR_CFG_1, &reg);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_1_24MBS, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_1_36MBS, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_1_48MBS, value);
@@ -896,9 +896,9 @@ static void rt2800usb_config_txpower(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS1, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS2, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS3, value);
-	rt2x00usb_register_write(rt2x00dev, TX_PWR_CFG_1, reg);
+	rt2800_register_write(rt2x00dev, TX_PWR_CFG_1, reg);
 
-	rt2x00usb_register_read(rt2x00dev, TX_PWR_CFG_2, &reg);
+	rt2800_register_read(rt2x00dev, TX_PWR_CFG_2, &reg);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS4, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS5, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS6, value);
@@ -907,9 +907,9 @@ static void rt2800usb_config_txpower(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS9, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS10, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS11, value);
-	rt2x00usb_register_write(rt2x00dev, TX_PWR_CFG_2, reg);
+	rt2800_register_write(rt2x00dev, TX_PWR_CFG_2, reg);
 
-	rt2x00usb_register_read(rt2x00dev, TX_PWR_CFG_3, &reg);
+	rt2800_register_read(rt2x00dev, TX_PWR_CFG_3, &reg);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS12, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS13, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS14, value);
@@ -918,14 +918,14 @@ static void rt2800usb_config_txpower(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN2, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN3, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN4, value);
-	rt2x00usb_register_write(rt2x00dev, TX_PWR_CFG_3, reg);
+	rt2800_register_write(rt2x00dev, TX_PWR_CFG_3, reg);
 
-	rt2x00usb_register_read(rt2x00dev, TX_PWR_CFG_4, &reg);
+	rt2800_register_read(rt2x00dev, TX_PWR_CFG_4, &reg);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN5, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN6, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN7, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN8, value);
-	rt2x00usb_register_write(rt2x00dev, TX_PWR_CFG_4, reg);
+	rt2800_register_write(rt2x00dev, TX_PWR_CFG_4, reg);
 }
 
 static void rt2800usb_config_retry_limit(struct rt2x00_dev *rt2x00dev,
@@ -933,7 +933,7 @@ static void rt2800usb_config_retry_limit(struct rt2x00_dev *rt2x00dev,
 {
 	u32 reg;
 
-	rt2x00usb_register_read(rt2x00dev, TX_RTY_CFG, &reg);
+	rt2800_register_read(rt2x00dev, TX_RTY_CFG, &reg);
 	rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT,
 			   libconf->conf->short_frame_max_tx_count);
 	rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT,
@@ -942,7 +942,7 @@ static void rt2800usb_config_retry_limit(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&reg, TX_RTY_CFG_NON_AGG_RTY_MODE, 0);
 	rt2x00_set_field32(&reg, TX_RTY_CFG_AGG_RTY_MODE, 0);
 	rt2x00_set_field32(&reg, TX_RTY_CFG_TX_AUTO_FB_ENABLE, 1);
-	rt2x00usb_register_write(rt2x00dev, TX_RTY_CFG, reg);
+	rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
 }
 
 static void rt2800usb_config_ps(struct rt2x00_dev *rt2x00dev,
@@ -954,24 +954,24 @@ static void rt2800usb_config_ps(struct rt2x00_dev *rt2x00dev,
 	u32 reg;
 
 	if (state == STATE_SLEEP) {
-		rt2x00usb_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0);
+		rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0);
 
-		rt2x00usb_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
+		rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
 		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 5);
 		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE,
 				   libconf->conf->listen_interval - 1);
 		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 1);
-		rt2x00usb_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
+		rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
 
 		rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
 	} else {
 		rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
 
-		rt2x00usb_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
+		rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
 		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 0);
 		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, 0);
 		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 0);
-		rt2x00usb_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
+		rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
 	}
 }
 
@@ -1004,7 +1004,7 @@ static void rt2800usb_link_stats(struct rt2x00_dev *rt2x00dev,
 	/*
 	 * Update FCS error count from register.
 	 */
-	rt2x00usb_register_read(rt2x00dev, RX_STA_CNT0, &reg);
+	rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
 	qual->rx_failed = rt2x00_get_field32(reg, RX_STA_CNT0_CRC_ERR);
 }
 
@@ -1162,7 +1162,7 @@ static int rt2800usb_load_firmware(struct rt2x00_dev *rt2x00dev,
 	 * Wait for stable hardware.
 	 */
 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
-		rt2x00usb_register_read(rt2x00dev, MAC_CSR0, &reg);
+		rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
 		if (reg && reg != ~0)
 			break;
 		msleep(1);
@@ -1182,8 +1182,8 @@ static int rt2800usb_load_firmware(struct rt2x00_dev *rt2x00dev,
 					    data + offset, length,
 					    REGISTER_TIMEOUT32(length));
 
-	rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
-	rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
+	rt2800_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
+	rt2800_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
 
 	/*
 	 * Send firmware request to device to load firmware,
@@ -1198,7 +1198,7 @@ static int rt2800usb_load_firmware(struct rt2x00_dev *rt2x00dev,
 	}
 
 	msleep(10);
-	rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
+	rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
 
 	/*
 	 * Send signal to firmware during boot time.
@@ -1217,7 +1217,7 @@ static int rt2800usb_load_firmware(struct rt2x00_dev *rt2x00dev,
 	 * Wait for device to stabilize.
 	 */
 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
-		rt2x00usb_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
+		rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
 		if (rt2x00_get_field32(reg, PBF_SYS_CTRL_READY))
 			break;
 		msleep(1);
@@ -1231,8 +1231,8 @@ static int rt2800usb_load_firmware(struct rt2x00_dev *rt2x00dev,
 	/*
 	 * Initialize firmware.
 	 */
-	rt2x00usb_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
-	rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
+	rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
+	rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
 	msleep(1);
 
 	return 0;
@@ -1250,7 +1250,7 @@ static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 	 * Wait untill BBP and RF are ready.
 	 */
 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
-		rt2x00usb_register_read(rt2x00dev, MAC_CSR0, &reg);
+		rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
 		if (reg && reg != ~0)
 			break;
 		msleep(1);
@@ -1261,59 +1261,59 @@ static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 		return -EBUSY;
 	}
 
-	rt2x00usb_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
-	rt2x00usb_register_write(rt2x00dev, PBF_SYS_CTRL, reg & ~0x00002000);
+	rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
+	rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, reg & ~0x00002000);
 
-	rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
+	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
-	rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
+	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
 
-	rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, 0x00000000);
+	rt2800_register_write(rt2x00dev, USB_DMA_CFG, 0x00000000);
 
 	rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
 				    USB_MODE_RESET, REGISTER_TIMEOUT);
 
-	rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
+	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
 
-	rt2x00usb_register_read(rt2x00dev, BCN_OFFSET0, &reg);
+	rt2800_register_read(rt2x00dev, BCN_OFFSET0, &reg);
 	rt2x00_set_field32(&reg, BCN_OFFSET0_BCN0, 0xe0); /* 0x3800 */
 	rt2x00_set_field32(&reg, BCN_OFFSET0_BCN1, 0xe8); /* 0x3a00 */
 	rt2x00_set_field32(&reg, BCN_OFFSET0_BCN2, 0xf0); /* 0x3c00 */
 	rt2x00_set_field32(&reg, BCN_OFFSET0_BCN3, 0xf8); /* 0x3e00 */
-	rt2x00usb_register_write(rt2x00dev, BCN_OFFSET0, reg);
+	rt2800_register_write(rt2x00dev, BCN_OFFSET0, reg);
 
-	rt2x00usb_register_read(rt2x00dev, BCN_OFFSET1, &reg);
+	rt2800_register_read(rt2x00dev, BCN_OFFSET1, &reg);
 	rt2x00_set_field32(&reg, BCN_OFFSET1_BCN4, 0xc8); /* 0x3200 */
 	rt2x00_set_field32(&reg, BCN_OFFSET1_BCN5, 0xd0); /* 0x3400 */
 	rt2x00_set_field32(&reg, BCN_OFFSET1_BCN6, 0x77); /* 0x1dc0 */
 	rt2x00_set_field32(&reg, BCN_OFFSET1_BCN7, 0x6f); /* 0x1bc0 */
-	rt2x00usb_register_write(rt2x00dev, BCN_OFFSET1, reg);
+	rt2800_register_write(rt2x00dev, BCN_OFFSET1, reg);
 
-	rt2x00usb_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0x0000013f);
-	rt2x00usb_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
+	rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0x0000013f);
+	rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
 
-	rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
+	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
 
-	rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
+	rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
 	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL, 0);
 	rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
 	rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, 0);
 	rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
 	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
 	rt2x00_set_field32(&reg, BCN_TIME_CFG_TX_TIME_COMPENSATE, 0);
-	rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+	rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
 
 	if (rt2x00_rev(&rt2x00dev->chip) == RT3070_VERSION) {
-		rt2x00usb_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
-		rt2x00usb_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
-		rt2x00usb_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
+		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
+		rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
+		rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
 	} else {
-		rt2x00usb_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000);
-		rt2x00usb_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
+		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000);
+		rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
 	}
 
-	rt2x00usb_register_read(rt2x00dev, TX_LINK_CFG, &reg);
+	rt2800_register_read(rt2x00dev, TX_LINK_CFG, &reg);
 	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB_LIFETIME, 32);
 	rt2x00_set_field32(&reg, TX_LINK_CFG_MFB_ENABLE, 0);
 	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_UMFS_ENABLE, 0);
@@ -1322,14 +1322,14 @@ static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, TX_LINK_CFG_TX_CF_ACK_EN, 1);
 	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB, 0);
 	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFS, 0);
-	rt2x00usb_register_write(rt2x00dev, TX_LINK_CFG, reg);
+	rt2800_register_write(rt2x00dev, TX_LINK_CFG, reg);
 
-	rt2x00usb_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
 	rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_MPDU_LIFETIME, 9);
 	rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_TX_OP_TIMEOUT, 10);
-	rt2x00usb_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
+	rt2800_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
 
-	rt2x00usb_register_read(rt2x00dev, MAX_LEN_CFG, &reg);
+	rt2800_register_read(rt2x00dev, MAX_LEN_CFG, &reg);
 	rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_MPDU, AGGREGATION_SIZE);
 	if (rt2x00_rev(&rt2x00dev->chip) >= RT2880E_VERSION &&
 	    rt2x00_rev(&rt2x00dev->chip) < RT3070_VERSION)
@@ -1338,19 +1338,19 @@ static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 		rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 1);
 	rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_PSDU, 0);
 	rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_MPDU, 0);
-	rt2x00usb_register_write(rt2x00dev, MAX_LEN_CFG, reg);
+	rt2800_register_write(rt2x00dev, MAX_LEN_CFG, reg);
 
-	rt2x00usb_register_write(rt2x00dev, PBF_MAX_PCNT, 0x1f3fbf9f);
+	rt2800_register_write(rt2x00dev, PBF_MAX_PCNT, 0x1f3fbf9f);
 
-	rt2x00usb_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
+	rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
 	rt2x00_set_field32(&reg, AUTO_RSP_CFG_AUTORESPONDER, 1);
 	rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MMODE, 0);
 	rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MREF, 0);
 	rt2x00_set_field32(&reg, AUTO_RSP_CFG_DUAL_CTS_EN, 0);
 	rt2x00_set_field32(&reg, AUTO_RSP_CFG_ACK_CTS_PSM_BIT, 0);
-	rt2x00usb_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
+	rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
 
-	rt2x00usb_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
 	rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_RATE, 8);
 	rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_CTRL, 0);
 	rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_NAV, 1);
@@ -1360,9 +1360,9 @@ static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM40, 1);
 	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF20, 1);
 	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF40, 1);
-	rt2x00usb_register_write(rt2x00dev, CCK_PROT_CFG, reg);
+	rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
 
-	rt2x00usb_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_RATE, 8);
 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL, 0);
 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_NAV, 1);
@@ -1372,9 +1372,9 @@ static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM40, 1);
 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF20, 1);
 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF40, 1);
-	rt2x00usb_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
+	rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
 
-	rt2x00usb_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
 	rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_RATE, 0x4004);
 	rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_CTRL, 0);
 	rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_NAV, 1);
@@ -1384,9 +1384,9 @@ static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
 	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
 	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
-	rt2x00usb_register_write(rt2x00dev, MM20_PROT_CFG, reg);
+	rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
 
-	rt2x00usb_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
 	rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_RATE, 0x4084);
 	rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_CTRL, 0);
 	rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_NAV, 1);
@@ -1396,9 +1396,9 @@ static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
 	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
 	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
-	rt2x00usb_register_write(rt2x00dev, MM40_PROT_CFG, reg);
+	rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
 
-	rt2x00usb_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
 	rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_RATE, 0x4004);
 	rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_CTRL, 0);
 	rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_NAV, 1);
@@ -1408,9 +1408,9 @@ static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
 	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
 	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
-	rt2x00usb_register_write(rt2x00dev, GF20_PROT_CFG, reg);
+	rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
 
-	rt2x00usb_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
 	rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_RATE, 0x4084);
 	rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_CTRL, 0);
 	rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_NAV, 1);
@@ -1420,11 +1420,11 @@ static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
 	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
 	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
-	rt2x00usb_register_write(rt2x00dev, GF40_PROT_CFG, reg);
+	rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
 
-	rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
+	rt2800_register_write(rt2x00dev, PBF_CFG, 0xf40006);
 
-	rt2x00usb_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
+	rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
@@ -1434,26 +1434,26 @@ static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_BIG_ENDIAN, 0);
 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_HDR_SCATTER, 0);
 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_HDR_SEG_LEN, 0);
-	rt2x00usb_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
+	rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
 
-	rt2x00usb_register_write(rt2x00dev, TXOP_CTRL_CFG, 0x0000583f);
-	rt2x00usb_register_write(rt2x00dev, TXOP_HLDR_ET, 0x00000002);
+	rt2800_register_write(rt2x00dev, TXOP_CTRL_CFG, 0x0000583f);
+	rt2800_register_write(rt2x00dev, TXOP_HLDR_ET, 0x00000002);
 
-	rt2x00usb_register_read(rt2x00dev, TX_RTS_CFG, &reg);
+	rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
 	rt2x00_set_field32(&reg, TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT, 32);
 	rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES,
 			   IEEE80211_MAX_RTS_THRESHOLD);
 	rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_FBK_EN, 0);
-	rt2x00usb_register_write(rt2x00dev, TX_RTS_CFG, reg);
+	rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
 
-	rt2x00usb_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca);
-	rt2x00usb_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
+	rt2800_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca);
+	rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
 
 	/*
 	 * ASIC will keep garbage value after boot, clear encryption keys.
 	 */
 	for (i = 0; i < 4; i++)
-		rt2x00usb_register_write(rt2x00dev,
+		rt2800_register_write(rt2x00dev,
 					 SHARED_KEY_MODE_ENTRY(i), 0);
 
 	for (i = 0; i < 256; i++) {
@@ -1461,8 +1461,8 @@ static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 		rt2x00usb_register_multiwrite(rt2x00dev, MAC_WCID_ENTRY(i),
 					      wcid, sizeof(wcid));
 
-		rt2x00usb_register_write(rt2x00dev, MAC_WCID_ATTR_ENTRY(i), 1);
-		rt2x00usb_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0);
+		rt2800_register_write(rt2x00dev, MAC_WCID_ATTR_ENTRY(i), 1);
+		rt2800_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0);
 	}
 
 	/*
@@ -1471,20 +1471,20 @@ static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 	 * the first byte since that byte contains the VALID and OWNER
 	 * bits which (when set to 0) will invalidate the entire beacon.
 	 */
-	rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
-	rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
-	rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
-	rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
-	rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE4, 0);
-	rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE5, 0);
-	rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE6, 0);
-	rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE7, 0);
+	rt2800_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
+	rt2800_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
+	rt2800_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
+	rt2800_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
+	rt2800_register_write(rt2x00dev, HW_BEACON_BASE4, 0);
+	rt2800_register_write(rt2x00dev, HW_BEACON_BASE5, 0);
+	rt2800_register_write(rt2x00dev, HW_BEACON_BASE6, 0);
+	rt2800_register_write(rt2x00dev, HW_BEACON_BASE7, 0);
 
-	rt2x00usb_register_read(rt2x00dev, USB_CYC_CFG, &reg);
+	rt2800_register_read(rt2x00dev, USB_CYC_CFG, &reg);
 	rt2x00_set_field32(&reg, USB_CYC_CFG_CLOCK_CYCLE, 30);
-	rt2x00usb_register_write(rt2x00dev, USB_CYC_CFG, reg);
+	rt2800_register_write(rt2x00dev, USB_CYC_CFG, reg);
 
-	rt2x00usb_register_read(rt2x00dev, HT_FBK_CFG0, &reg);
+	rt2800_register_read(rt2x00dev, HT_FBK_CFG0, &reg);
 	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS0FBK, 0);
 	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS1FBK, 0);
 	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS2FBK, 1);
@@ -1493,9 +1493,9 @@ static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS5FBK, 4);
 	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS6FBK, 5);
 	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS7FBK, 6);
-	rt2x00usb_register_write(rt2x00dev, HT_FBK_CFG0, reg);
+	rt2800_register_write(rt2x00dev, HT_FBK_CFG0, reg);
 
-	rt2x00usb_register_read(rt2x00dev, HT_FBK_CFG1, &reg);
+	rt2800_register_read(rt2x00dev, HT_FBK_CFG1, &reg);
 	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS8FBK, 8);
 	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS9FBK, 8);
 	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS10FBK, 9);
@@ -1504,9 +1504,9 @@ static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS13FBK, 12);
 	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS14FBK, 13);
 	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS15FBK, 14);
-	rt2x00usb_register_write(rt2x00dev, HT_FBK_CFG1, reg);
+	rt2800_register_write(rt2x00dev, HT_FBK_CFG1, reg);
 
-	rt2x00usb_register_read(rt2x00dev, LG_FBK_CFG0, &reg);
+	rt2800_register_read(rt2x00dev, LG_FBK_CFG0, &reg);
 	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS0FBK, 8);
 	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS1FBK, 8);
 	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS2FBK, 9);
@@ -1515,26 +1515,26 @@ static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS5FBK, 12);
 	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS6FBK, 13);
 	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS7FBK, 14);
-	rt2x00usb_register_write(rt2x00dev, LG_FBK_CFG0, reg);
+	rt2800_register_write(rt2x00dev, LG_FBK_CFG0, reg);
 
-	rt2x00usb_register_read(rt2x00dev, LG_FBK_CFG1, &reg);
+	rt2800_register_read(rt2x00dev, LG_FBK_CFG1, &reg);
 	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS0FBK, 0);
 	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS1FBK, 0);
 	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS2FBK, 1);
 	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS3FBK, 2);
-	rt2x00usb_register_write(rt2x00dev, LG_FBK_CFG1, reg);
+	rt2800_register_write(rt2x00dev, LG_FBK_CFG1, reg);
 
 	/*
 	 * We must clear the error counters.
 	 * These registers are cleared on read,
 	 * so we may pass a useless variable to store the value.
 	 */
-	rt2x00usb_register_read(rt2x00dev, RX_STA_CNT0, &reg);
-	rt2x00usb_register_read(rt2x00dev, RX_STA_CNT1, &reg);
-	rt2x00usb_register_read(rt2x00dev, RX_STA_CNT2, &reg);
-	rt2x00usb_register_read(rt2x00dev, TX_STA_CNT0, &reg);
-	rt2x00usb_register_read(rt2x00dev, TX_STA_CNT1, &reg);
-	rt2x00usb_register_read(rt2x00dev, TX_STA_CNT2, &reg);
+	rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
+	rt2800_register_read(rt2x00dev, RX_STA_CNT1, &reg);
+	rt2800_register_read(rt2x00dev, RX_STA_CNT2, &reg);
+	rt2800_register_read(rt2x00dev, TX_STA_CNT0, &reg);
+	rt2800_register_read(rt2x00dev, TX_STA_CNT1, &reg);
+	rt2800_register_read(rt2x00dev, TX_STA_CNT2, &reg);
 
 	return 0;
 }
@@ -1545,7 +1545,7 @@ static int rt2800usb_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev)
 	u32 reg;
 
 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
-		rt2x00usb_register_read(rt2x00dev, MAC_STATUS_CFG, &reg);
+		rt2800_register_read(rt2x00dev, MAC_STATUS_CFG, &reg);
 		if (!rt2x00_get_field32(reg, MAC_STATUS_CFG_BBP_RF_BUSY))
 			return 0;
 
@@ -1565,8 +1565,8 @@ static int rt2800usb_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
 	 * BBP was enabled after firmware was loaded,
 	 * but we need to reactivate it now.
 	 */
-	rt2x00usb_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
-	rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
+	rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
+	rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
 	msleep(1);
 
 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
@@ -1768,11 +1768,11 @@ static void rt2800usb_toggle_rx(struct rt2x00_dev *rt2x00dev,
 {
 	u32 reg;
 
-	rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
+	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX,
 			   (state == STATE_RADIO_RX_ON) ||
 			   (state == STATE_RADIO_RX_ON_LINK));
-	rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
+	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
 }
 
 static int rt2800usb_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev)
@@ -1781,7 +1781,7 @@ static int rt2800usb_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev)
 	u32 reg;
 
 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
-		rt2x00usb_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
+		rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
 		if (!rt2x00_get_field32(reg, WPDMA_GLO_CFG_TX_DMA_BUSY) &&
 		    !rt2x00_get_field32(reg, WPDMA_GLO_CFG_RX_DMA_BUSY))
 			return 0;
@@ -1807,20 +1807,20 @@ static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
 		     rt2800usb_init_rfcsr(rt2x00dev)))
 		return -EIO;
 
-	rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
+	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
-	rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
+	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
 
 	udelay(50);
 
-	rt2x00usb_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
+	rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1);
 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1);
-	rt2x00usb_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
+	rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
 
 
-	rt2x00usb_register_read(rt2x00dev, USB_DMA_CFG, &reg);
+	rt2800_register_read(rt2x00dev, USB_DMA_CFG, &reg);
 	rt2x00_set_field32(&reg, USB_DMA_CFG_PHY_CLEAR, 0);
 	/* Don't use bulk in aggregation when working with USB 1.1 */
 	rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_EN,
@@ -1834,12 +1834,12 @@ static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
 			   ((RX_ENTRIES * DATA_FRAME_SIZE) / 1024) - 3);
 	rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_EN, 1);
 	rt2x00_set_field32(&reg, USB_DMA_CFG_TX_BULK_EN, 1);
-	rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, reg);
+	rt2800_register_write(rt2x00dev, USB_DMA_CFG, reg);
 
-	rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
+	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
-	rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
+	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
 
 	/*
 	 * Initialize LED control
@@ -1863,14 +1863,14 @@ static void rt2800usb_disable_radio(struct rt2x00_dev *rt2x00dev)
 {
 	u32 reg;
 
-	rt2x00usb_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
+	rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
-	rt2x00usb_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
+	rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
 
-	rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, 0);
-	rt2x00usb_register_write(rt2x00dev, PWR_PIN_CFG, 0);
-	rt2x00usb_register_write(rt2x00dev, TX_PIN_CFG, 0);
+	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0);
+	rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0);
+	rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0);
 
 	/* Wait for DMA, ignore error */
 	rt2800usb_wait_wpdma_ready(rt2x00dev);
@@ -2038,9 +2038,9 @@ static void rt2800usb_write_beacon(struct queue_entry *entry)
 	 * Disable beaconing while we are reloading the beacon data,
 	 * otherwise we might be sending out invalid data.
 	 */
-	rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
+	rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
 	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
-	rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+	rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
 
 	/*
 	 * Write entire beacon with descriptor to register.
@@ -2083,12 +2083,12 @@ static void rt2800usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
 		return;
 	}
 
-	rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
+	rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
 	if (!rt2x00_get_field32(reg, BCN_TIME_CFG_BEACON_GEN)) {
 		rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
 		rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
 		rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
-		rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+		rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
 	}
 }
 
@@ -2316,7 +2316,7 @@ static int rt2800usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
 	 * Identify RF chipset.
 	 */
 	value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
-	rt2x00usb_register_read(rt2x00dev, MAC_CSR0, &reg);
+	rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
 	rt2x00_set_chip(rt2x00dev, RT2870, value, reg);
 
 	/*
@@ -2659,33 +2659,33 @@ static int rt2800usb_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
 	u32 reg;
 	bool enabled = (value < IEEE80211_MAX_RTS_THRESHOLD);
 
-	rt2x00usb_register_read(rt2x00dev, TX_RTS_CFG, &reg);
+	rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
 	rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES, value);
-	rt2x00usb_register_write(rt2x00dev, TX_RTS_CFG, reg);
+	rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
 
-	rt2x00usb_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
 	rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, enabled);
-	rt2x00usb_register_write(rt2x00dev, CCK_PROT_CFG, reg);
+	rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
 
-	rt2x00usb_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, enabled);
-	rt2x00usb_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
+	rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
 
-	rt2x00usb_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
 	rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, enabled);
-	rt2x00usb_register_write(rt2x00dev, MM20_PROT_CFG, reg);
+	rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
 
-	rt2x00usb_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
 	rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, enabled);
-	rt2x00usb_register_write(rt2x00dev, MM40_PROT_CFG, reg);
+	rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
 
-	rt2x00usb_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
 	rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, enabled);
-	rt2x00usb_register_write(rt2x00dev, GF20_PROT_CFG, reg);
+	rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
 
-	rt2x00usb_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
 	rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, enabled);
-	rt2x00usb_register_write(rt2x00dev, GF40_PROT_CFG, reg);
+	rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
 
 	return 0;
 }
@@ -2724,35 +2724,35 @@ static int rt2800usb_conf_tx(struct ieee80211_hw *hw, u16 queue_idx,
 	field.bit_offset = (queue_idx & 1) * 16;
 	field.bit_mask = 0xffff << field.bit_offset;
 
-	rt2x00usb_register_read(rt2x00dev, offset, &reg);
+	rt2800_register_read(rt2x00dev, offset, &reg);
 	rt2x00_set_field32(&reg, field, queue->txop);
-	rt2x00usb_register_write(rt2x00dev, offset, reg);
+	rt2800_register_write(rt2x00dev, offset, reg);
 
 	/* Update WMM registers */
 	field.bit_offset = queue_idx * 4;
 	field.bit_mask = 0xf << field.bit_offset;
 
-	rt2x00usb_register_read(rt2x00dev, WMM_AIFSN_CFG, &reg);
+	rt2800_register_read(rt2x00dev, WMM_AIFSN_CFG, &reg);
 	rt2x00_set_field32(&reg, field, queue->aifs);
-	rt2x00usb_register_write(rt2x00dev, WMM_AIFSN_CFG, reg);
+	rt2800_register_write(rt2x00dev, WMM_AIFSN_CFG, reg);
 
-	rt2x00usb_register_read(rt2x00dev, WMM_CWMIN_CFG, &reg);
+	rt2800_register_read(rt2x00dev, WMM_CWMIN_CFG, &reg);
 	rt2x00_set_field32(&reg, field, queue->cw_min);
-	rt2x00usb_register_write(rt2x00dev, WMM_CWMIN_CFG, reg);
+	rt2800_register_write(rt2x00dev, WMM_CWMIN_CFG, reg);
 
-	rt2x00usb_register_read(rt2x00dev, WMM_CWMAX_CFG, &reg);
+	rt2800_register_read(rt2x00dev, WMM_CWMAX_CFG, &reg);
 	rt2x00_set_field32(&reg, field, queue->cw_max);
-	rt2x00usb_register_write(rt2x00dev, WMM_CWMAX_CFG, reg);
+	rt2800_register_write(rt2x00dev, WMM_CWMAX_CFG, reg);
 
 	/* Update EDCA registers */
 	offset = EDCA_AC0_CFG + (sizeof(u32) * queue_idx);
 
-	rt2x00usb_register_read(rt2x00dev, offset, &reg);
+	rt2800_register_read(rt2x00dev, offset, &reg);
 	rt2x00_set_field32(&reg, EDCA_AC0_CFG_TX_OP, queue->txop);
 	rt2x00_set_field32(&reg, EDCA_AC0_CFG_AIFSN, queue->aifs);
 	rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMIN, queue->cw_min);
 	rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMAX, queue->cw_max);
-	rt2x00usb_register_write(rt2x00dev, offset, reg);
+	rt2800_register_write(rt2x00dev, offset, reg);
 
 	return 0;
 }
@@ -2763,9 +2763,9 @@ static u64 rt2800usb_get_tsf(struct ieee80211_hw *hw)
 	u64 tsf;
 	u32 reg;
 
-	rt2x00usb_register_read(rt2x00dev, TSF_TIMER_DW1, &reg);
+	rt2800_register_read(rt2x00dev, TSF_TIMER_DW1, &reg);
 	tsf = (u64) rt2x00_get_field32(reg, TSF_TIMER_DW1_HIGH_WORD) << 32;
-	rt2x00usb_register_read(rt2x00dev, TSF_TIMER_DW0, &reg);
+	rt2800_register_read(rt2x00dev, TSF_TIMER_DW0, &reg);
 	tsf |= rt2x00_get_field32(reg, TSF_TIMER_DW0_LOW_WORD);
 
 	return tsf;
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.h b/drivers/net/wireless/rt2x00/rt2800usb.h
index 7b1130a22c5..9d2dcc5f849 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.h
+++ b/drivers/net/wireless/rt2x00/rt2800usb.h
@@ -27,6 +27,27 @@
 #ifndef RT2800USB_H
 #define RT2800USB_H
 
+static inline void rt2800_register_read(struct rt2x00_dev *rt2x00dev,
+					const unsigned int offset,
+					u32 *value)
+{
+	rt2x00usb_register_read(rt2x00dev, offset, value);
+}
+
+static inline void rt2800_register_write(struct rt2x00_dev *rt2x00dev,
+					 const unsigned int offset,
+					 u32 value)
+{
+	rt2x00usb_register_write(rt2x00dev, offset, value);
+}
+
+static inline void rt2800_register_write_lock(struct rt2x00_dev *rt2x00dev,
+					      const unsigned int offset,
+					      u32 value)
+{
+	rt2x00usb_register_write_lock(rt2x00dev, offset, value);
+}
+
 /*
  * RF chip defines.
  *
-- 
GitLab


From 9ca21eb7cd2ba4f837bcde5e1c9ec0c784cfc03d Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:33:13 +0100
Subject: [PATCH 0962/1815] rt2800pci: add rt2800_register_[read,write]()
 wrappers

Part of preparations for later code unification.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800pci.c | 479 ++++++++++++------------
 drivers/net/wireless/rt2x00/rt2800pci.h |  21 ++
 2 files changed, 261 insertions(+), 239 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 5d3c48b9f5c..802086dce70 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -57,7 +57,7 @@ MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
 /*
  * Register access.
  * All access to the CSR registers will go through the methods
- * rt2x00pci_register_read and rt2x00pci_register_write.
+ * rt2800_register_read and rt2800_register_write.
  * BBP and RF register require indirect register access,
  * and use the CSR registers BBPCSR and RFCSR to achieve this.
  * These indirect registers work with busy bits,
@@ -66,6 +66,7 @@ MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
  * between each attampt. When the busy bit is still set at that time,
  * the access attempt is considered to have failed,
  * and we will print an error.
+ * The _lock versions must be used if you already hold the csr_mutex
  */
 #define WAIT_FOR_BBP(__dev, __reg) \
 	rt2x00pci_regbusy_read((__dev), BBP_CSR_CFG, BBP_CSR_CFG_BUSY, (__reg))
@@ -96,7 +97,7 @@ static void rt2800pci_bbp_write(struct rt2x00_dev *rt2x00dev,
 		rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 0);
 		rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
 
-		rt2x00pci_register_write(rt2x00dev, BBP_CSR_CFG, reg);
+		rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
 	}
 
 	mutex_unlock(&rt2x00dev->csr_mutex);
@@ -124,7 +125,7 @@ static void rt2800pci_bbp_read(struct rt2x00_dev *rt2x00dev,
 		rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 1);
 		rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
 
-		rt2x00pci_register_write(rt2x00dev, BBP_CSR_CFG, reg);
+		rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
 
 		WAIT_FOR_BBP(rt2x00dev, &reg);
 	}
@@ -152,7 +153,7 @@ static void rt2800pci_rfcsr_write(struct rt2x00_dev *rt2x00dev,
 		rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 1);
 		rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
 
-		rt2x00pci_register_write(rt2x00dev, RF_CSR_CFG, reg);
+		rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
 	}
 
 	mutex_unlock(&rt2x00dev->csr_mutex);
@@ -179,7 +180,7 @@ static void rt2800pci_rfcsr_read(struct rt2x00_dev *rt2x00dev,
 		rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 0);
 		rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
 
-		rt2x00pci_register_write(rt2x00dev, RF_CSR_CFG, reg);
+		rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
 
 		WAIT_FOR_RFCSR(rt2x00dev, &reg);
 	}
@@ -207,7 +208,7 @@ static void rt2800pci_rf_write(struct rt2x00_dev *rt2x00dev,
 		rt2x00_set_field32(&reg, RF_CSR_CFG0_SEL, 0);
 		rt2x00_set_field32(&reg, RF_CSR_CFG0_BUSY, 1);
 
-		rt2x00pci_register_write(rt2x00dev, RF_CSR_CFG0, reg);
+		rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG0, reg);
 		rt2x00_rf_write(rt2x00dev, word, value);
 	}
 
@@ -238,11 +239,11 @@ static void rt2800pci_mcu_request(struct rt2x00_dev *rt2x00dev,
 		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_CMD_TOKEN, token);
 		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG0, arg0);
 		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG1, arg1);
-		rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CSR, reg);
+		rt2800_register_write_lock(rt2x00dev, H2M_MAILBOX_CSR, reg);
 
 		reg = 0;
 		rt2x00_set_field32(&reg, HOST_CMD_CSR_HOST_COMMAND, command);
-		rt2x00pci_register_write(rt2x00dev, HOST_CMD_CSR, reg);
+		rt2800_register_write_lock(rt2x00dev, HOST_CMD_CSR, reg);
 	}
 
 	mutex_unlock(&rt2x00dev->csr_mutex);
@@ -254,7 +255,7 @@ static void rt2800pci_mcu_status(struct rt2x00_dev *rt2x00dev, const u8 token)
 	u32 reg;
 
 	for (i = 0; i < 200; i++) {
-		rt2x00pci_register_read(rt2x00dev, H2M_MAILBOX_CID, &reg);
+		rt2800_register_read(rt2x00dev, H2M_MAILBOX_CID, &reg);
 
 		if ((rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD0) == token) ||
 		    (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD1) == token) ||
@@ -268,8 +269,8 @@ static void rt2800pci_mcu_status(struct rt2x00_dev *rt2x00dev, const u8 token)
 	if (i == 200)
 		ERROR(rt2x00dev, "MCU request failed, no response from hardware\n");
 
-	rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
-	rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
+	rt2800_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
+	rt2800_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
 }
 
 #ifdef CONFIG_RT2800PCI_WISOC
@@ -291,7 +292,7 @@ static void rt2800pci_eepromregister_read(struct eeprom_93cx6 *eeprom)
 	struct rt2x00_dev *rt2x00dev = eeprom->data;
 	u32 reg;
 
-	rt2x00pci_register_read(rt2x00dev, E2PROM_CSR, &reg);
+	rt2800_register_read(rt2x00dev, E2PROM_CSR, &reg);
 
 	eeprom->reg_data_in = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_IN);
 	eeprom->reg_data_out = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_OUT);
@@ -313,7 +314,7 @@ static void rt2800pci_eepromregister_write(struct eeprom_93cx6 *eeprom)
 	rt2x00_set_field32(&reg, E2PROM_CSR_CHIP_SELECT,
 			   !!eeprom->reg_chip_select);
 
-	rt2x00pci_register_write(rt2x00dev, E2PROM_CSR, reg);
+	rt2800_register_write(rt2x00dev, E2PROM_CSR, reg);
 }
 
 static void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev)
@@ -321,7 +322,7 @@ static void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev)
 	struct eeprom_93cx6 eeprom;
 	u32 reg;
 
-	rt2x00pci_register_read(rt2x00dev, E2PROM_CSR, &reg);
+	rt2800_register_read(rt2x00dev, E2PROM_CSR, &reg);
 
 	eeprom.data = rt2x00dev;
 	eeprom.register_read = rt2800pci_eepromregister_read;
@@ -342,23 +343,23 @@ static void rt2800pci_efuse_read(struct rt2x00_dev *rt2x00dev,
 {
 	u32 reg;
 
-	rt2x00pci_register_read(rt2x00dev, EFUSE_CTRL, &reg);
+	rt2800_register_read(rt2x00dev, EFUSE_CTRL, &reg);
 	rt2x00_set_field32(&reg, EFUSE_CTRL_ADDRESS_IN, i);
 	rt2x00_set_field32(&reg, EFUSE_CTRL_MODE, 0);
 	rt2x00_set_field32(&reg, EFUSE_CTRL_KICK, 1);
-	rt2x00pci_register_write(rt2x00dev, EFUSE_CTRL, reg);
+	rt2800_register_write(rt2x00dev, EFUSE_CTRL, reg);
 
 	/* Wait until the EEPROM has been loaded */
 	rt2x00pci_regbusy_read(rt2x00dev, EFUSE_CTRL, EFUSE_CTRL_KICK, &reg);
 
 	/* Apparently the data is read from end to start */
-	rt2x00pci_register_read(rt2x00dev, EFUSE_DATA3,
+	rt2800_register_read(rt2x00dev, EFUSE_DATA3,
 				(u32 *)&rt2x00dev->eeprom[i]);
-	rt2x00pci_register_read(rt2x00dev, EFUSE_DATA2,
+	rt2800_register_read(rt2x00dev, EFUSE_DATA2,
 				(u32 *)&rt2x00dev->eeprom[i + 2]);
-	rt2x00pci_register_read(rt2x00dev, EFUSE_DATA1,
+	rt2800_register_read(rt2x00dev, EFUSE_DATA1,
 				(u32 *)&rt2x00dev->eeprom[i + 4]);
-	rt2x00pci_register_read(rt2x00dev, EFUSE_DATA0,
+	rt2800_register_read(rt2x00dev, EFUSE_DATA0,
 				(u32 *)&rt2x00dev->eeprom[i + 6]);
 }
 
@@ -383,8 +384,8 @@ static inline void rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
 static const struct rt2x00debug rt2800pci_rt2x00debug = {
 	.owner	= THIS_MODULE,
 	.csr	= {
-		.read		= rt2x00pci_register_read,
-		.write		= rt2x00pci_register_write,
+		.read		= rt2800_register_read,
+		.write		= rt2800_register_write,
 		.flags		= RT2X00DEBUGFS_OFFSET,
 		.word_base	= CSR_REG_BASE,
 		.word_size	= sizeof(u32),
@@ -418,7 +419,7 @@ static int rt2800pci_rfkill_poll(struct rt2x00_dev *rt2x00dev)
 {
 	u32 reg;
 
-	rt2x00pci_register_read(rt2x00dev, GPIO_CTRL_CFG, &reg);
+	rt2800_register_read(rt2x00dev, GPIO_CTRL_CFG, &reg);
 	return rt2x00_get_field32(reg, GPIO_CTRL_CFG_BIT2);
 }
 
@@ -467,7 +468,7 @@ static int rt2800pci_blink_set(struct led_classdev *led_cdev,
 	    container_of(led_cdev, struct rt2x00_led, led_dev);
 	u32 reg;
 
-	rt2x00pci_register_read(led->rt2x00dev, LED_CFG, &reg);
+	rt2800_register_read(led->rt2x00dev, LED_CFG, &reg);
 	rt2x00_set_field32(&reg, LED_CFG_ON_PERIOD, *delay_on);
 	rt2x00_set_field32(&reg, LED_CFG_OFF_PERIOD, *delay_off);
 	rt2x00_set_field32(&reg, LED_CFG_SLOW_BLINK_PERIOD, 3);
@@ -475,7 +476,7 @@ static int rt2800pci_blink_set(struct led_classdev *led_cdev,
 	rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, 12);
 	rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE, 3);
 	rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, 1);
-	rt2x00pci_register_write(led->rt2x00dev, LED_CFG, reg);
+	rt2800_register_write(led->rt2x00dev, LED_CFG, reg);
 
 	return 0;
 }
@@ -506,7 +507,7 @@ static void rt2800pci_config_wcid_attr(struct rt2x00_dev *rt2x00dev,
 
 	offset = MAC_WCID_ATTR_ENTRY(key->hw_key_idx);
 
-	rt2x00pci_register_read(rt2x00dev, offset, &reg);
+	rt2800_register_read(rt2x00dev, offset, &reg);
 	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_KEYTAB,
 			   !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE));
 	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER,
@@ -514,7 +515,7 @@ static void rt2800pci_config_wcid_attr(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX,
 			   (crypto->cmd == SET_KEY) * crypto->bssidx);
 	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, crypto->cipher);
-	rt2x00pci_register_write(rt2x00dev, offset, reg);
+	rt2800_register_write(rt2x00dev, offset, reg);
 
 	offset = MAC_IVEIV_ENTRY(key->hw_key_idx);
 
@@ -572,10 +573,10 @@ static int rt2800pci_config_shared_key(struct rt2x00_dev *rt2x00dev,
 
 	offset = SHARED_KEY_MODE_ENTRY(key->hw_key_idx / 8);
 
-	rt2x00pci_register_read(rt2x00dev, offset, &reg);
+	rt2800_register_read(rt2x00dev, offset, &reg);
 	rt2x00_set_field32(&reg, field,
 			   (crypto->cmd == SET_KEY) * crypto->cipher);
-	rt2x00pci_register_write(rt2x00dev, offset, reg);
+	rt2800_register_write(rt2x00dev, offset, reg);
 
 	/*
 	 * Update WCID information
@@ -635,7 +636,7 @@ static void rt2800pci_config_filter(struct rt2x00_dev *rt2x00dev,
 	 * and broadcast frames will always be accepted since
 	 * there is no filter for it at this time.
 	 */
-	rt2x00pci_register_read(rt2x00dev, RX_FILTER_CFG, &reg);
+	rt2800_register_read(rt2x00dev, RX_FILTER_CFG, &reg);
 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CRC_ERROR,
 			   !(filter_flags & FIF_FCSFAIL));
 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PHY_ERROR,
@@ -664,7 +665,7 @@ static void rt2800pci_config_filter(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BAR, 0);
 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CNTL,
 			   !(filter_flags & FIF_CONTROL));
-	rt2x00pci_register_write(rt2x00dev, RX_FILTER_CFG, reg);
+	rt2800_register_write(rt2x00dev, RX_FILTER_CFG, reg);
 }
 
 static void rt2800pci_config_intf(struct rt2x00_dev *rt2x00dev,
@@ -683,16 +684,16 @@ static void rt2800pci_config_intf(struct rt2x00_dev *rt2x00dev,
 		 * bits which (when set to 0) will invalidate the entire beacon.
 		 */
 		beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
-		rt2x00pci_register_write(rt2x00dev, beacon_base, 0);
+		rt2800_register_write(rt2x00dev, beacon_base, 0);
 
 		/*
 		 * Enable synchronisation.
 		 */
-		rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
+		rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
 		rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
 		rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, conf->sync);
 		rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
-		rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+		rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
 	}
 
 	if (flags & CONFIG_UPDATE_MAC) {
@@ -720,43 +721,43 @@ static void rt2800pci_config_erp(struct rt2x00_dev *rt2x00dev,
 {
 	u32 reg;
 
-	rt2x00pci_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
 	rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_RX_ACK_TIMEOUT, 0x20);
-	rt2x00pci_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
+	rt2800_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
 
-	rt2x00pci_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
+	rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
 	rt2x00_set_field32(&reg, AUTO_RSP_CFG_BAC_ACK_POLICY,
 			   !!erp->short_preamble);
 	rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE,
 			   !!erp->short_preamble);
-	rt2x00pci_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
+	rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
 
-	rt2x00pci_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL,
 			   erp->cts_protection ? 2 : 0);
-	rt2x00pci_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
+	rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
 
-	rt2x00pci_register_write(rt2x00dev, LEGACY_BASIC_RATE,
+	rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE,
 				 erp->basic_rates);
-	rt2x00pci_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
+	rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
 
-	rt2x00pci_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
 	rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME, erp->slot_time);
 	rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_CC_DELAY_TIME, 2);
-	rt2x00pci_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
+	rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
 
-	rt2x00pci_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
+	rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
 	rt2x00_set_field32(&reg, XIFS_TIME_CFG_CCKM_SIFS_TIME, erp->sifs);
 	rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_SIFS_TIME, erp->sifs);
 	rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_XIFS_TIME, 4);
 	rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, erp->eifs);
 	rt2x00_set_field32(&reg, XIFS_TIME_CFG_BB_RXEND_ENABLE, 1);
-	rt2x00pci_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
+	rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
 
-	rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
+	rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
 	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL,
 			   erp->beacon_int * 16);
-	rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+	rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
 }
 
 static void rt2800pci_config_ant(struct rt2x00_dev *rt2x00dev,
@@ -965,11 +966,11 @@ static void rt2800pci_config_channel(struct rt2x00_dev *rt2x00dev,
 			rt2800pci_bbp_write(rt2x00dev, 75, 0x50);
 	}
 
-	rt2x00pci_register_read(rt2x00dev, TX_BAND_CFG, &reg);
+	rt2800_register_read(rt2x00dev, TX_BAND_CFG, &reg);
 	rt2x00_set_field32(&reg, TX_BAND_CFG_HT40_PLUS, conf_is_ht40_plus(conf));
 	rt2x00_set_field32(&reg, TX_BAND_CFG_A, rf->channel > 14);
 	rt2x00_set_field32(&reg, TX_BAND_CFG_BG, rf->channel <= 14);
-	rt2x00pci_register_write(rt2x00dev, TX_BAND_CFG, reg);
+	rt2800_register_write(rt2x00dev, TX_BAND_CFG, reg);
 
 	tx_pin = 0;
 
@@ -992,7 +993,7 @@ static void rt2800pci_config_channel(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, rf->channel <= 14);
 	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, rf->channel > 14);
 
-	rt2x00pci_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
+	rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
 
 	rt2800pci_bbp_read(rt2x00dev, 4, &bbp);
 	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf));
@@ -1028,7 +1029,7 @@ static void rt2800pci_config_txpower(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field8(&reg, BBP1_TX_POWER, 0);
 	rt2800pci_bbp_write(rt2x00dev, 1, r1);
 
-	rt2x00pci_register_read(rt2x00dev, TX_PWR_CFG_0, &reg);
+	rt2800_register_read(rt2x00dev, TX_PWR_CFG_0, &reg);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_0_1MBS, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_0_2MBS, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_0_55MBS, value);
@@ -1037,9 +1038,9 @@ static void rt2800pci_config_txpower(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&reg, TX_PWR_CFG_0_9MBS, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_0_12MBS, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_0_18MBS, value);
-	rt2x00pci_register_write(rt2x00dev, TX_PWR_CFG_0, reg);
+	rt2800_register_write(rt2x00dev, TX_PWR_CFG_0, reg);
 
-	rt2x00pci_register_read(rt2x00dev, TX_PWR_CFG_1, &reg);
+	rt2800_register_read(rt2x00dev, TX_PWR_CFG_1, &reg);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_1_24MBS, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_1_36MBS, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_1_48MBS, value);
@@ -1048,9 +1049,9 @@ static void rt2800pci_config_txpower(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS1, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS2, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS3, value);
-	rt2x00pci_register_write(rt2x00dev, TX_PWR_CFG_1, reg);
+	rt2800_register_write(rt2x00dev, TX_PWR_CFG_1, reg);
 
-	rt2x00pci_register_read(rt2x00dev, TX_PWR_CFG_2, &reg);
+	rt2800_register_read(rt2x00dev, TX_PWR_CFG_2, &reg);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS4, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS5, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS6, value);
@@ -1059,9 +1060,9 @@ static void rt2800pci_config_txpower(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS9, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS10, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS11, value);
-	rt2x00pci_register_write(rt2x00dev, TX_PWR_CFG_2, reg);
+	rt2800_register_write(rt2x00dev, TX_PWR_CFG_2, reg);
 
-	rt2x00pci_register_read(rt2x00dev, TX_PWR_CFG_3, &reg);
+	rt2800_register_read(rt2x00dev, TX_PWR_CFG_3, &reg);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS12, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS13, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS14, value);
@@ -1070,14 +1071,14 @@ static void rt2800pci_config_txpower(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN2, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN3, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN4, value);
-	rt2x00pci_register_write(rt2x00dev, TX_PWR_CFG_3, reg);
+	rt2800_register_write(rt2x00dev, TX_PWR_CFG_3, reg);
 
-	rt2x00pci_register_read(rt2x00dev, TX_PWR_CFG_4, &reg);
+	rt2800_register_read(rt2x00dev, TX_PWR_CFG_4, &reg);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN5, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN6, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN7, value);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN8, value);
-	rt2x00pci_register_write(rt2x00dev, TX_PWR_CFG_4, reg);
+	rt2800_register_write(rt2x00dev, TX_PWR_CFG_4, reg);
 }
 
 static void rt2800pci_config_retry_limit(struct rt2x00_dev *rt2x00dev,
@@ -1085,7 +1086,7 @@ static void rt2800pci_config_retry_limit(struct rt2x00_dev *rt2x00dev,
 {
 	u32 reg;
 
-	rt2x00pci_register_read(rt2x00dev, TX_RTY_CFG, &reg);
+	rt2800_register_read(rt2x00dev, TX_RTY_CFG, &reg);
 	rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT,
 			   libconf->conf->short_frame_max_tx_count);
 	rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT,
@@ -1094,7 +1095,7 @@ static void rt2800pci_config_retry_limit(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&reg, TX_RTY_CFG_NON_AGG_RTY_MODE, 0);
 	rt2x00_set_field32(&reg, TX_RTY_CFG_AGG_RTY_MODE, 0);
 	rt2x00_set_field32(&reg, TX_RTY_CFG_TX_AUTO_FB_ENABLE, 1);
-	rt2x00pci_register_write(rt2x00dev, TX_RTY_CFG, reg);
+	rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
 }
 
 static void rt2800pci_config_ps(struct rt2x00_dev *rt2x00dev,
@@ -1106,24 +1107,24 @@ static void rt2800pci_config_ps(struct rt2x00_dev *rt2x00dev,
 	u32 reg;
 
 	if (state == STATE_SLEEP) {
-		rt2x00pci_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0);
+		rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0);
 
-		rt2x00pci_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
+		rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
 		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 5);
 		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE,
 				   libconf->conf->listen_interval - 1);
 		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 1);
-		rt2x00pci_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
+		rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
 
 		rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
 	} else {
 		rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
 
-		rt2x00pci_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
+		rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
 		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 0);
 		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, 0);
 		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 0);
-		rt2x00pci_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
+		rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
 	}
 }
 
@@ -1156,7 +1157,7 @@ static void rt2800pci_link_stats(struct rt2x00_dev *rt2x00dev,
 	/*
 	 * Update FCS error count from register.
 	 */
-	rt2x00pci_register_read(rt2x00dev, RX_STA_CNT0, &reg);
+	rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
 	qual->rx_failed = rt2x00_get_field32(reg, RX_STA_CNT0_CRC_ERR);
 }
 
@@ -1259,7 +1260,7 @@ static int rt2800pci_load_firmware(struct rt2x00_dev *rt2x00dev,
 	 * Wait for stable hardware.
 	 */
 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
-		rt2x00pci_register_read(rt2x00dev, MAC_CSR0, &reg);
+		rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
 		if (reg && reg != ~0)
 			break;
 		msleep(1);
@@ -1270,27 +1271,27 @@ static int rt2800pci_load_firmware(struct rt2x00_dev *rt2x00dev,
 		return -EBUSY;
 	}
 
-	rt2x00pci_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000002);
-	rt2x00pci_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0x00000000);
+	rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000002);
+	rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0x00000000);
 
 	/*
 	 * Disable DMA, will be reenabled later when enabling
 	 * the radio.
 	 */
-	rt2x00pci_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
+	rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
-	rt2x00pci_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
+	rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
 
 	/*
 	 * enable Host program ram write selection
 	 */
 	reg = 0;
 	rt2x00_set_field32(&reg, PBF_SYS_CTRL_HOST_RAM_WRITE, 1);
-	rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, reg);
+	rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, reg);
 
 	/*
 	 * Write firmware to device.
@@ -1298,14 +1299,14 @@ static int rt2800pci_load_firmware(struct rt2x00_dev *rt2x00dev,
 	rt2x00pci_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
 				      data, len);
 
-	rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000);
-	rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001);
+	rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000);
+	rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001);
 
 	/*
 	 * Wait for device to stabilize.
 	 */
 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
-		rt2x00pci_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
+		rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
 		if (rt2x00_get_field32(reg, PBF_SYS_CTRL_READY))
 			break;
 		msleep(1);
@@ -1324,8 +1325,8 @@ static int rt2800pci_load_firmware(struct rt2x00_dev *rt2x00dev,
 	/*
 	 * Initialize BBP R/W access agent
 	 */
-	rt2x00pci_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
-	rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
+	rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
+	rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
 
 	return 0;
 }
@@ -1375,7 +1376,7 @@ static int rt2800pci_init_queues(struct rt2x00_dev *rt2x00dev)
 	struct queue_entry_priv_pci *entry_priv;
 	u32 reg;
 
-	rt2x00pci_register_read(rt2x00dev, WPDMA_RST_IDX, &reg);
+	rt2800_register_read(rt2x00dev, WPDMA_RST_IDX, &reg);
 	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX0, 1);
 	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX1, 1);
 	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX2, 1);
@@ -1383,54 +1384,54 @@ static int rt2800pci_init_queues(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX4, 1);
 	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX5, 1);
 	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DRX_IDX0, 1);
-	rt2x00pci_register_write(rt2x00dev, WPDMA_RST_IDX, reg);
+	rt2800_register_write(rt2x00dev, WPDMA_RST_IDX, reg);
 
-	rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f);
-	rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00);
+	rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f);
+	rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00);
 
 	/*
 	 * Initialize registers.
 	 */
 	entry_priv = rt2x00dev->tx[0].entries[0].priv_data;
-	rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR0, entry_priv->desc_dma);
-	rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT0, rt2x00dev->tx[0].limit);
-	rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX0, 0);
-	rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX0, 0);
+	rt2800_register_write(rt2x00dev, TX_BASE_PTR0, entry_priv->desc_dma);
+	rt2800_register_write(rt2x00dev, TX_MAX_CNT0, rt2x00dev->tx[0].limit);
+	rt2800_register_write(rt2x00dev, TX_CTX_IDX0, 0);
+	rt2800_register_write(rt2x00dev, TX_DTX_IDX0, 0);
 
 	entry_priv = rt2x00dev->tx[1].entries[0].priv_data;
-	rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR1, entry_priv->desc_dma);
-	rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT1, rt2x00dev->tx[1].limit);
-	rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX1, 0);
-	rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX1, 0);
+	rt2800_register_write(rt2x00dev, TX_BASE_PTR1, entry_priv->desc_dma);
+	rt2800_register_write(rt2x00dev, TX_MAX_CNT1, rt2x00dev->tx[1].limit);
+	rt2800_register_write(rt2x00dev, TX_CTX_IDX1, 0);
+	rt2800_register_write(rt2x00dev, TX_DTX_IDX1, 0);
 
 	entry_priv = rt2x00dev->tx[2].entries[0].priv_data;
-	rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR2, entry_priv->desc_dma);
-	rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT2, rt2x00dev->tx[2].limit);
-	rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX2, 0);
-	rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX2, 0);
+	rt2800_register_write(rt2x00dev, TX_BASE_PTR2, entry_priv->desc_dma);
+	rt2800_register_write(rt2x00dev, TX_MAX_CNT2, rt2x00dev->tx[2].limit);
+	rt2800_register_write(rt2x00dev, TX_CTX_IDX2, 0);
+	rt2800_register_write(rt2x00dev, TX_DTX_IDX2, 0);
 
 	entry_priv = rt2x00dev->tx[3].entries[0].priv_data;
-	rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR3, entry_priv->desc_dma);
-	rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT3, rt2x00dev->tx[3].limit);
-	rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX3, 0);
-	rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX3, 0);
+	rt2800_register_write(rt2x00dev, TX_BASE_PTR3, entry_priv->desc_dma);
+	rt2800_register_write(rt2x00dev, TX_MAX_CNT3, rt2x00dev->tx[3].limit);
+	rt2800_register_write(rt2x00dev, TX_CTX_IDX3, 0);
+	rt2800_register_write(rt2x00dev, TX_DTX_IDX3, 0);
 
 	entry_priv = rt2x00dev->rx->entries[0].priv_data;
-	rt2x00pci_register_write(rt2x00dev, RX_BASE_PTR, entry_priv->desc_dma);
-	rt2x00pci_register_write(rt2x00dev, RX_MAX_CNT, rt2x00dev->rx[0].limit);
-	rt2x00pci_register_write(rt2x00dev, RX_CRX_IDX, rt2x00dev->rx[0].limit - 1);
-	rt2x00pci_register_write(rt2x00dev, RX_DRX_IDX, 0);
+	rt2800_register_write(rt2x00dev, RX_BASE_PTR, entry_priv->desc_dma);
+	rt2800_register_write(rt2x00dev, RX_MAX_CNT, rt2x00dev->rx[0].limit);
+	rt2800_register_write(rt2x00dev, RX_CRX_IDX, rt2x00dev->rx[0].limit - 1);
+	rt2800_register_write(rt2x00dev, RX_DRX_IDX, 0);
 
 	/*
 	 * Enable global DMA configuration
 	 */
-	rt2x00pci_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
+	rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
-	rt2x00pci_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
+	rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
 
-	rt2x00pci_register_write(rt2x00dev, DELAY_INT_CFG, 0);
+	rt2800_register_write(rt2x00dev, DELAY_INT_CFG, 0);
 
 	return 0;
 }
@@ -1440,47 +1441,47 @@ static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev)
 	u32 reg;
 	unsigned int i;
 
-	rt2x00pci_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
+	rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
 
-	rt2x00pci_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
+	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
-	rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
+	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
 
-	rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
+	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
 
-	rt2x00pci_register_read(rt2x00dev, BCN_OFFSET0, &reg);
+	rt2800_register_read(rt2x00dev, BCN_OFFSET0, &reg);
 	rt2x00_set_field32(&reg, BCN_OFFSET0_BCN0, 0xe0); /* 0x3800 */
 	rt2x00_set_field32(&reg, BCN_OFFSET0_BCN1, 0xe8); /* 0x3a00 */
 	rt2x00_set_field32(&reg, BCN_OFFSET0_BCN2, 0xf0); /* 0x3c00 */
 	rt2x00_set_field32(&reg, BCN_OFFSET0_BCN3, 0xf8); /* 0x3e00 */
-	rt2x00pci_register_write(rt2x00dev, BCN_OFFSET0, reg);
+	rt2800_register_write(rt2x00dev, BCN_OFFSET0, reg);
 
-	rt2x00pci_register_read(rt2x00dev, BCN_OFFSET1, &reg);
+	rt2800_register_read(rt2x00dev, BCN_OFFSET1, &reg);
 	rt2x00_set_field32(&reg, BCN_OFFSET1_BCN4, 0xc8); /* 0x3200 */
 	rt2x00_set_field32(&reg, BCN_OFFSET1_BCN5, 0xd0); /* 0x3400 */
 	rt2x00_set_field32(&reg, BCN_OFFSET1_BCN6, 0x77); /* 0x1dc0 */
 	rt2x00_set_field32(&reg, BCN_OFFSET1_BCN7, 0x6f); /* 0x1bc0 */
-	rt2x00pci_register_write(rt2x00dev, BCN_OFFSET1, reg);
+	rt2800_register_write(rt2x00dev, BCN_OFFSET1, reg);
 
-	rt2x00pci_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0x0000013f);
-	rt2x00pci_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
+	rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0x0000013f);
+	rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
 
-	rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
+	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
 
-	rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
+	rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
 	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL, 0);
 	rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
 	rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, 0);
 	rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
 	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
 	rt2x00_set_field32(&reg, BCN_TIME_CFG_TX_TIME_COMPENSATE, 0);
-	rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+	rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
 
-	rt2x00pci_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000);
-	rt2x00pci_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
+	rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000);
+	rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
 
-	rt2x00pci_register_read(rt2x00dev, TX_LINK_CFG, &reg);
+	rt2800_register_read(rt2x00dev, TX_LINK_CFG, &reg);
 	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB_LIFETIME, 32);
 	rt2x00_set_field32(&reg, TX_LINK_CFG_MFB_ENABLE, 0);
 	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_UMFS_ENABLE, 0);
@@ -1489,14 +1490,14 @@ static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, TX_LINK_CFG_TX_CF_ACK_EN, 1);
 	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB, 0);
 	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFS, 0);
-	rt2x00pci_register_write(rt2x00dev, TX_LINK_CFG, reg);
+	rt2800_register_write(rt2x00dev, TX_LINK_CFG, reg);
 
-	rt2x00pci_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
 	rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_MPDU_LIFETIME, 9);
 	rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_TX_OP_TIMEOUT, 10);
-	rt2x00pci_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
+	rt2800_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
 
-	rt2x00pci_register_read(rt2x00dev, MAX_LEN_CFG, &reg);
+	rt2800_register_read(rt2x00dev, MAX_LEN_CFG, &reg);
 	rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_MPDU, AGGREGATION_SIZE);
 	if (rt2x00_rev(&rt2x00dev->chip) >= RT2880E_VERSION &&
 	    rt2x00_rev(&rt2x00dev->chip) < RT3070_VERSION)
@@ -1505,19 +1506,19 @@ static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev)
 		rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 1);
 	rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_PSDU, 0);
 	rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_MPDU, 0);
-	rt2x00pci_register_write(rt2x00dev, MAX_LEN_CFG, reg);
+	rt2800_register_write(rt2x00dev, MAX_LEN_CFG, reg);
 
-	rt2x00pci_register_write(rt2x00dev, PBF_MAX_PCNT, 0x1f3fbf9f);
+	rt2800_register_write(rt2x00dev, PBF_MAX_PCNT, 0x1f3fbf9f);
 
-	rt2x00pci_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
+	rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
 	rt2x00_set_field32(&reg, AUTO_RSP_CFG_AUTORESPONDER, 1);
 	rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MMODE, 0);
 	rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MREF, 0);
 	rt2x00_set_field32(&reg, AUTO_RSP_CFG_DUAL_CTS_EN, 0);
 	rt2x00_set_field32(&reg, AUTO_RSP_CFG_ACK_CTS_PSM_BIT, 0);
-	rt2x00pci_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
+	rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
 
-	rt2x00pci_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
 	rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_RATE, 8);
 	rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_CTRL, 0);
 	rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_NAV, 1);
@@ -1527,9 +1528,9 @@ static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM40, 1);
 	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF20, 1);
 	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF40, 1);
-	rt2x00pci_register_write(rt2x00dev, CCK_PROT_CFG, reg);
+	rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
 
-	rt2x00pci_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_RATE, 8);
 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL, 0);
 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_NAV, 1);
@@ -1539,9 +1540,9 @@ static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM40, 1);
 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF20, 1);
 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF40, 1);
-	rt2x00pci_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
+	rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
 
-	rt2x00pci_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
 	rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_RATE, 0x4004);
 	rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_CTRL, 0);
 	rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_NAV, 1);
@@ -1551,9 +1552,9 @@ static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
 	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
 	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
-	rt2x00pci_register_write(rt2x00dev, MM20_PROT_CFG, reg);
+	rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
 
-	rt2x00pci_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
 	rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_RATE, 0x4084);
 	rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_CTRL, 0);
 	rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_NAV, 1);
@@ -1563,9 +1564,9 @@ static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
 	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
 	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
-	rt2x00pci_register_write(rt2x00dev, MM40_PROT_CFG, reg);
+	rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
 
-	rt2x00pci_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
 	rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_RATE, 0x4004);
 	rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_CTRL, 0);
 	rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_NAV, 1);
@@ -1575,9 +1576,9 @@ static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
 	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
 	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
-	rt2x00pci_register_write(rt2x00dev, GF20_PROT_CFG, reg);
+	rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
 
-	rt2x00pci_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
 	rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_RATE, 0x4084);
 	rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_CTRL, 0);
 	rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_NAV, 1);
@@ -1587,26 +1588,26 @@ static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
 	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
 	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
-	rt2x00pci_register_write(rt2x00dev, GF40_PROT_CFG, reg);
+	rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
 
-	rt2x00pci_register_write(rt2x00dev, TXOP_CTRL_CFG, 0x0000583f);
-	rt2x00pci_register_write(rt2x00dev, TXOP_HLDR_ET, 0x00000002);
+	rt2800_register_write(rt2x00dev, TXOP_CTRL_CFG, 0x0000583f);
+	rt2800_register_write(rt2x00dev, TXOP_HLDR_ET, 0x00000002);
 
-	rt2x00pci_register_read(rt2x00dev, TX_RTS_CFG, &reg);
+	rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
 	rt2x00_set_field32(&reg, TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT, 32);
 	rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES,
 			   IEEE80211_MAX_RTS_THRESHOLD);
 	rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_FBK_EN, 0);
-	rt2x00pci_register_write(rt2x00dev, TX_RTS_CFG, reg);
+	rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
 
-	rt2x00pci_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca);
-	rt2x00pci_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
+	rt2800_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca);
+	rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
 
 	/*
 	 * ASIC will keep garbage value after boot, clear encryption keys.
 	 */
 	for (i = 0; i < 4; i++)
-		rt2x00pci_register_write(rt2x00dev,
+		rt2800_register_write(rt2x00dev,
 					 SHARED_KEY_MODE_ENTRY(i), 0);
 
 	for (i = 0; i < 256; i++) {
@@ -1614,8 +1615,8 @@ static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev)
 		rt2x00pci_register_multiwrite(rt2x00dev, MAC_WCID_ENTRY(i),
 					      wcid, sizeof(wcid));
 
-		rt2x00pci_register_write(rt2x00dev, MAC_WCID_ATTR_ENTRY(i), 1);
-		rt2x00pci_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0);
+		rt2800_register_write(rt2x00dev, MAC_WCID_ATTR_ENTRY(i), 1);
+		rt2800_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0);
 	}
 
 	/*
@@ -1624,16 +1625,16 @@ static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev)
 	 * the first byte since that byte contains the VALID and OWNER
 	 * bits which (when set to 0) will invalidate the entire beacon.
 	 */
-	rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
-	rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
-	rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
-	rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
-	rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE4, 0);
-	rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE5, 0);
-	rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE6, 0);
-	rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE7, 0);
+	rt2800_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
+	rt2800_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
+	rt2800_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
+	rt2800_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
+	rt2800_register_write(rt2x00dev, HW_BEACON_BASE4, 0);
+	rt2800_register_write(rt2x00dev, HW_BEACON_BASE5, 0);
+	rt2800_register_write(rt2x00dev, HW_BEACON_BASE6, 0);
+	rt2800_register_write(rt2x00dev, HW_BEACON_BASE7, 0);
 
-	rt2x00pci_register_read(rt2x00dev, HT_FBK_CFG0, &reg);
+	rt2800_register_read(rt2x00dev, HT_FBK_CFG0, &reg);
 	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS0FBK, 0);
 	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS1FBK, 0);
 	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS2FBK, 1);
@@ -1642,9 +1643,9 @@ static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS5FBK, 4);
 	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS6FBK, 5);
 	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS7FBK, 6);
-	rt2x00pci_register_write(rt2x00dev, HT_FBK_CFG0, reg);
+	rt2800_register_write(rt2x00dev, HT_FBK_CFG0, reg);
 
-	rt2x00pci_register_read(rt2x00dev, HT_FBK_CFG1, &reg);
+	rt2800_register_read(rt2x00dev, HT_FBK_CFG1, &reg);
 	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS8FBK, 8);
 	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS9FBK, 8);
 	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS10FBK, 9);
@@ -1653,9 +1654,9 @@ static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS13FBK, 12);
 	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS14FBK, 13);
 	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS15FBK, 14);
-	rt2x00pci_register_write(rt2x00dev, HT_FBK_CFG1, reg);
+	rt2800_register_write(rt2x00dev, HT_FBK_CFG1, reg);
 
-	rt2x00pci_register_read(rt2x00dev, LG_FBK_CFG0, &reg);
+	rt2800_register_read(rt2x00dev, LG_FBK_CFG0, &reg);
 	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS0FBK, 8);
 	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS1FBK, 8);
 	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS2FBK, 9);
@@ -1664,26 +1665,26 @@ static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS5FBK, 12);
 	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS6FBK, 13);
 	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS7FBK, 14);
-	rt2x00pci_register_write(rt2x00dev, LG_FBK_CFG0, reg);
+	rt2800_register_write(rt2x00dev, LG_FBK_CFG0, reg);
 
-	rt2x00pci_register_read(rt2x00dev, LG_FBK_CFG1, &reg);
+	rt2800_register_read(rt2x00dev, LG_FBK_CFG1, &reg);
 	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS0FBK, 0);
 	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS1FBK, 0);
 	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS2FBK, 1);
 	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS3FBK, 2);
-	rt2x00pci_register_write(rt2x00dev, LG_FBK_CFG1, reg);
+	rt2800_register_write(rt2x00dev, LG_FBK_CFG1, reg);
 
 	/*
 	 * We must clear the error counters.
 	 * These registers are cleared on read,
 	 * so we may pass a useless variable to store the value.
 	 */
-	rt2x00pci_register_read(rt2x00dev, RX_STA_CNT0, &reg);
-	rt2x00pci_register_read(rt2x00dev, RX_STA_CNT1, &reg);
-	rt2x00pci_register_read(rt2x00dev, RX_STA_CNT2, &reg);
-	rt2x00pci_register_read(rt2x00dev, TX_STA_CNT0, &reg);
-	rt2x00pci_register_read(rt2x00dev, TX_STA_CNT1, &reg);
-	rt2x00pci_register_read(rt2x00dev, TX_STA_CNT2, &reg);
+	rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
+	rt2800_register_read(rt2x00dev, RX_STA_CNT1, &reg);
+	rt2800_register_read(rt2x00dev, RX_STA_CNT2, &reg);
+	rt2800_register_read(rt2x00dev, TX_STA_CNT0, &reg);
+	rt2800_register_read(rt2x00dev, TX_STA_CNT1, &reg);
+	rt2800_register_read(rt2x00dev, TX_STA_CNT2, &reg);
 
 	return 0;
 }
@@ -1694,7 +1695,7 @@ static int rt2800pci_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev)
 	u32 reg;
 
 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
-		rt2x00pci_register_read(rt2x00dev, MAC_STATUS_CFG, &reg);
+		rt2800_register_read(rt2x00dev, MAC_STATUS_CFG, &reg);
 		if (!rt2x00_get_field32(reg, MAC_STATUS_CFG_BBP_RF_BUSY))
 			return 0;
 
@@ -1714,8 +1715,8 @@ static int rt2800pci_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
 	 * BBP was enabled after firmware was loaded,
 	 * but we need to reactivate it now.
 	 */
-	rt2x00pci_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
-	rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
+	rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
+	rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
 	msleep(1);
 
 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
@@ -1928,11 +1929,11 @@ static void rt2800pci_toggle_rx(struct rt2x00_dev *rt2x00dev,
 {
 	u32 reg;
 
-	rt2x00pci_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
+	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX,
 			   (state == STATE_RADIO_RX_ON) ||
 			   (state == STATE_RADIO_RX_ON_LINK));
-	rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
+	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
 }
 
 static void rt2800pci_toggle_irq(struct rt2x00_dev *rt2x00dev,
@@ -1946,11 +1947,11 @@ static void rt2800pci_toggle_irq(struct rt2x00_dev *rt2x00dev,
 	 * should clear the register to assure a clean state.
 	 */
 	if (state == STATE_RADIO_IRQ_ON) {
-		rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, &reg);
-		rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
+		rt2800_register_read(rt2x00dev, INT_SOURCE_CSR, &reg);
+		rt2800_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
 	}
 
-	rt2x00pci_register_read(rt2x00dev, INT_MASK_CSR, &reg);
+	rt2800_register_read(rt2x00dev, INT_MASK_CSR, &reg);
 	rt2x00_set_field32(&reg, INT_MASK_CSR_RXDELAYINT, mask);
 	rt2x00_set_field32(&reg, INT_MASK_CSR_TXDELAYINT, mask);
 	rt2x00_set_field32(&reg, INT_MASK_CSR_RX_DONE, mask);
@@ -1969,7 +1970,7 @@ static void rt2800pci_toggle_irq(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&reg, INT_MASK_CSR_GPTIMER, mask);
 	rt2x00_set_field32(&reg, INT_MASK_CSR_RX_COHERENT, mask);
 	rt2x00_set_field32(&reg, INT_MASK_CSR_TX_COHERENT, mask);
-	rt2x00pci_register_write(rt2x00dev, INT_MASK_CSR, reg);
+	rt2800_register_write(rt2x00dev, INT_MASK_CSR, reg);
 }
 
 static int rt2800pci_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev)
@@ -1978,7 +1979,7 @@ static int rt2800pci_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev)
 	u32 reg;
 
 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
-		rt2x00pci_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
+		rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
 		if (!rt2x00_get_field32(reg, WPDMA_GLO_CFG_TX_DMA_BUSY) &&
 		    !rt2x00_get_field32(reg, WPDMA_GLO_CFG_RX_DMA_BUSY))
 			return 0;
@@ -2014,22 +2015,22 @@ static int rt2800pci_enable_radio(struct rt2x00_dev *rt2x00dev)
 	/*
 	 * Enable RX.
 	 */
-	rt2x00pci_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
+	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
-	rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
+	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
 
-	rt2x00pci_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
+	rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1);
 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1);
 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 2);
 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
-	rt2x00pci_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
+	rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
 
-	rt2x00pci_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
+	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
-	rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
+	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
 
 	/*
 	 * Initialize LED control
@@ -2053,21 +2054,21 @@ static void rt2800pci_disable_radio(struct rt2x00_dev *rt2x00dev)
 {
 	u32 reg;
 
-	rt2x00pci_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
+	rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
-	rt2x00pci_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
+	rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
 
-	rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, 0);
-	rt2x00pci_register_write(rt2x00dev, PWR_PIN_CFG, 0);
-	rt2x00pci_register_write(rt2x00dev, TX_PIN_CFG, 0);
+	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0);
+	rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0);
+	rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0);
 
-	rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001280);
+	rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001280);
 
-	rt2x00pci_register_read(rt2x00dev, WPDMA_RST_IDX, &reg);
+	rt2800_register_read(rt2x00dev, WPDMA_RST_IDX, &reg);
 	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX0, 1);
 	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX1, 1);
 	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX2, 1);
@@ -2075,10 +2076,10 @@ static void rt2800pci_disable_radio(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX4, 1);
 	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX5, 1);
 	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DRX_IDX0, 1);
-	rt2x00pci_register_write(rt2x00dev, WPDMA_RST_IDX, reg);
+	rt2800_register_write(rt2x00dev, WPDMA_RST_IDX, reg);
 
-	rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f);
-	rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00);
+	rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f);
+	rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00);
 
 	/* Wait for DMA, ignore error */
 	rt2800pci_wait_wpdma_ready(rt2x00dev);
@@ -2267,9 +2268,9 @@ static void rt2800pci_write_beacon(struct queue_entry *entry)
 	 * Disable beaconing while we are reloading the beacon data,
 	 * otherwise we might be sending out invalid data.
 	 */
-	rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
+	rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
 	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
-	rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+	rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
 
 	/*
 	 * Write entire beacon with descriptor to register.
@@ -2297,12 +2298,12 @@ static void rt2800pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
 	u32 reg;
 
 	if (queue_idx == QID_BEACON) {
-		rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
+		rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
 		if (!rt2x00_get_field32(reg, BCN_TIME_CFG_BEACON_GEN)) {
 			rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
 			rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
 			rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
-			rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+			rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
 		}
 		return;
 	}
@@ -2318,7 +2319,7 @@ static void rt2800pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
 	else
 		qidx = queue_idx;
 
-	rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX(qidx), idx);
+	rt2800_register_write(rt2x00dev, TX_CTX_IDX(qidx), idx);
 }
 
 static void rt2800pci_kill_tx_queue(struct rt2x00_dev *rt2x00dev,
@@ -2327,16 +2328,16 @@ static void rt2800pci_kill_tx_queue(struct rt2x00_dev *rt2x00dev,
 	u32 reg;
 
 	if (qid == QID_BEACON) {
-		rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, 0);
+		rt2800_register_write(rt2x00dev, BCN_TIME_CFG, 0);
 		return;
 	}
 
-	rt2x00pci_register_read(rt2x00dev, WPDMA_RST_IDX, &reg);
+	rt2800_register_read(rt2x00dev, WPDMA_RST_IDX, &reg);
 	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX0, (qid == QID_AC_BE));
 	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX1, (qid == QID_AC_BK));
 	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX2, (qid == QID_AC_VI));
 	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX3, (qid == QID_AC_VO));
-	rt2x00pci_register_write(rt2x00dev, WPDMA_RST_IDX, reg);
+	rt2800_register_write(rt2x00dev, WPDMA_RST_IDX, reg);
 }
 
 /*
@@ -2432,7 +2433,7 @@ static void rt2800pci_fill_rxdone(struct queue_entry *entry,
 	 * Set RX IDX in register to inform hardware that we have handled
 	 * this entry and it is available for reuse again.
 	 */
-	rt2x00pci_register_write(rt2x00dev, RX_CRX_IDX, entry->entry_idx);
+	rt2800_register_write(rt2x00dev, RX_CRX_IDX, entry->entry_idx);
 
 	/*
 	 * Remove TXWI descriptor from start of buffer.
@@ -2469,7 +2470,7 @@ static void rt2800pci_txdone(struct rt2x00_dev *rt2x00dev)
 	old_reg = 0;
 
 	while (1) {
-		rt2x00pci_register_read(rt2x00dev, TX_STA_FIFO, &reg);
+		rt2800_register_read(rt2x00dev, TX_STA_FIFO, &reg);
 		if (!rt2x00_get_field32(reg, TX_STA_FIFO_VALID))
 			break;
 
@@ -2553,8 +2554,8 @@ static irqreturn_t rt2800pci_interrupt(int irq, void *dev_instance)
 	u32 reg;
 
 	/* Read status and ACK all interrupts */
-	rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, &reg);
-	rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
+	rt2800_register_read(rt2x00dev, INT_SOURCE_CSR, &reg);
+	rt2800_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
 
 	if (!reg)
 		return IRQ_NONE;
@@ -2711,7 +2712,7 @@ static int rt2800pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
 	 * Identify RF chipset.
 	 */
 	value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
-	rt2x00pci_register_read(rt2x00dev, MAC_CSR0, &reg);
+	rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
 	rt2x00_set_chip_rf(rt2x00dev, value, reg);
 
 	if (!rt2x00_rf(&rt2x00dev->chip, RF2820) &&
@@ -3022,33 +3023,33 @@ static int rt2800pci_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
 	u32 reg;
 	bool enabled = (value < IEEE80211_MAX_RTS_THRESHOLD);
 
-	rt2x00pci_register_read(rt2x00dev, TX_RTS_CFG, &reg);
+	rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
 	rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES, value);
-	rt2x00pci_register_write(rt2x00dev, TX_RTS_CFG, reg);
+	rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
 
-	rt2x00pci_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
 	rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, enabled);
-	rt2x00pci_register_write(rt2x00dev, CCK_PROT_CFG, reg);
+	rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
 
-	rt2x00pci_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, enabled);
-	rt2x00pci_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
+	rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
 
-	rt2x00pci_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
 	rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, enabled);
-	rt2x00pci_register_write(rt2x00dev, MM20_PROT_CFG, reg);
+	rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
 
-	rt2x00pci_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
 	rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, enabled);
-	rt2x00pci_register_write(rt2x00dev, MM40_PROT_CFG, reg);
+	rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
 
-	rt2x00pci_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
 	rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, enabled);
-	rt2x00pci_register_write(rt2x00dev, GF20_PROT_CFG, reg);
+	rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
 
-	rt2x00pci_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
+	rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
 	rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, enabled);
-	rt2x00pci_register_write(rt2x00dev, GF40_PROT_CFG, reg);
+	rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
 
 	return 0;
 }
@@ -3087,35 +3088,35 @@ static int rt2800pci_conf_tx(struct ieee80211_hw *hw, u16 queue_idx,
 	field.bit_offset = (queue_idx & 1) * 16;
 	field.bit_mask = 0xffff << field.bit_offset;
 
-	rt2x00pci_register_read(rt2x00dev, offset, &reg);
+	rt2800_register_read(rt2x00dev, offset, &reg);
 	rt2x00_set_field32(&reg, field, queue->txop);
-	rt2x00pci_register_write(rt2x00dev, offset, reg);
+	rt2800_register_write(rt2x00dev, offset, reg);
 
 	/* Update WMM registers */
 	field.bit_offset = queue_idx * 4;
 	field.bit_mask = 0xf << field.bit_offset;
 
-	rt2x00pci_register_read(rt2x00dev, WMM_AIFSN_CFG, &reg);
+	rt2800_register_read(rt2x00dev, WMM_AIFSN_CFG, &reg);
 	rt2x00_set_field32(&reg, field, queue->aifs);
-	rt2x00pci_register_write(rt2x00dev, WMM_AIFSN_CFG, reg);
+	rt2800_register_write(rt2x00dev, WMM_AIFSN_CFG, reg);
 
-	rt2x00pci_register_read(rt2x00dev, WMM_CWMIN_CFG, &reg);
+	rt2800_register_read(rt2x00dev, WMM_CWMIN_CFG, &reg);
 	rt2x00_set_field32(&reg, field, queue->cw_min);
-	rt2x00pci_register_write(rt2x00dev, WMM_CWMIN_CFG, reg);
+	rt2800_register_write(rt2x00dev, WMM_CWMIN_CFG, reg);
 
-	rt2x00pci_register_read(rt2x00dev, WMM_CWMAX_CFG, &reg);
+	rt2800_register_read(rt2x00dev, WMM_CWMAX_CFG, &reg);
 	rt2x00_set_field32(&reg, field, queue->cw_max);
-	rt2x00pci_register_write(rt2x00dev, WMM_CWMAX_CFG, reg);
+	rt2800_register_write(rt2x00dev, WMM_CWMAX_CFG, reg);
 
 	/* Update EDCA registers */
 	offset = EDCA_AC0_CFG + (sizeof(u32) * queue_idx);
 
-	rt2x00pci_register_read(rt2x00dev, offset, &reg);
+	rt2800_register_read(rt2x00dev, offset, &reg);
 	rt2x00_set_field32(&reg, EDCA_AC0_CFG_TX_OP, queue->txop);
 	rt2x00_set_field32(&reg, EDCA_AC0_CFG_AIFSN, queue->aifs);
 	rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMIN, queue->cw_min);
 	rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMAX, queue->cw_max);
-	rt2x00pci_register_write(rt2x00dev, offset, reg);
+	rt2800_register_write(rt2x00dev, offset, reg);
 
 	return 0;
 }
@@ -3126,9 +3127,9 @@ static u64 rt2800pci_get_tsf(struct ieee80211_hw *hw)
 	u64 tsf;
 	u32 reg;
 
-	rt2x00pci_register_read(rt2x00dev, TSF_TIMER_DW1, &reg);
+	rt2800_register_read(rt2x00dev, TSF_TIMER_DW1, &reg);
 	tsf = (u64) rt2x00_get_field32(reg, TSF_TIMER_DW1_HIGH_WORD) << 32;
-	rt2x00pci_register_read(rt2x00dev, TSF_TIMER_DW0, &reg);
+	rt2800_register_read(rt2x00dev, TSF_TIMER_DW0, &reg);
 	tsf |= rt2x00_get_field32(reg, TSF_TIMER_DW0_LOW_WORD);
 
 	return tsf;
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.h b/drivers/net/wireless/rt2x00/rt2800pci.h
index 85690881522..0349be77af3 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.h
+++ b/drivers/net/wireless/rt2x00/rt2800pci.h
@@ -27,6 +27,27 @@
 #ifndef RT2800PCI_H
 #define RT2800PCI_H
 
+static inline void rt2800_register_read(struct rt2x00_dev *rt2x00dev,
+					const unsigned int offset,
+					u32 *value)
+{
+	rt2x00pci_register_read(rt2x00dev, offset, value);
+}
+
+static inline void rt2800_register_write(struct rt2x00_dev *rt2x00dev,
+					 const unsigned int offset,
+					 u32 value)
+{
+	rt2x00pci_register_write(rt2x00dev, offset, value);
+}
+
+static inline void rt2800_register_write_lock(struct rt2x00_dev *rt2x00dev,
+					      const unsigned int offset,
+					      u32 value)
+{
+	rt2x00pci_register_write(rt2x00dev, offset, value);
+}
+
 /*
  * RF chip defines.
  *
-- 
GitLab


From 678b4eee767b3d92bb187d2ca17d33400f26f880 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:33:20 +0100
Subject: [PATCH 0963/1815] rt2800usb: add rt2800_register_multi[read,write]()
 wrappers

Part of preparations for later code unification.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800usb.c | 16 ++++++++--------
 drivers/net/wireless/rt2x00/rt2800usb.h | 14 ++++++++++++++
 2 files changed, 22 insertions(+), 8 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 73e7f2bafe1..d7307b28a01 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -374,7 +374,7 @@ static void rt2800usb_config_wcid_attr(struct rt2x00_dev *rt2x00dev,
 	    (crypto->cipher == CIPHER_AES))
 		iveiv_entry.iv[3] |= 0x20;
 	iveiv_entry.iv[3] |= key->keyidx << 6;
-	rt2x00usb_register_multiwrite(rt2x00dev, offset,
+	rt2800_register_multiwrite(rt2x00dev, offset,
 				      &iveiv_entry, sizeof(iveiv_entry));
 
 	offset = MAC_WCID_ENTRY(key->hw_key_idx);
@@ -382,7 +382,7 @@ static void rt2800usb_config_wcid_attr(struct rt2x00_dev *rt2x00dev,
 	memset(&wcid_entry, 0, sizeof(wcid_entry));
 	if (crypto->cmd == SET_KEY)
 		memcpy(&wcid_entry, crypto->address, ETH_ALEN);
-	rt2x00usb_register_multiwrite(rt2x00dev, offset,
+	rt2800_register_multiwrite(rt2x00dev, offset,
 				      &wcid_entry, sizeof(wcid_entry));
 }
 
@@ -406,7 +406,7 @@ static int rt2800usb_config_shared_key(struct rt2x00_dev *rt2x00dev,
 		       sizeof(key_entry.rx_mic));
 
 		offset = SHARED_KEY_ENTRY(key->hw_key_idx);
-		rt2x00usb_register_multiwrite(rt2x00dev, offset,
+		rt2800_register_multiwrite(rt2x00dev, offset,
 					      &key_entry, sizeof(key_entry));
 	}
 
@@ -461,7 +461,7 @@ static int rt2800usb_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
 		       sizeof(key_entry.rx_mic));
 
 		offset = PAIRWISE_KEY_ENTRY(key->hw_key_idx);
-		rt2x00usb_register_multiwrite(rt2x00dev, offset,
+		rt2800_register_multiwrite(rt2x00dev, offset,
 					      &key_entry, sizeof(key_entry));
 	}
 
@@ -549,7 +549,7 @@ static void rt2800usb_config_intf(struct rt2x00_dev *rt2x00dev,
 		rt2x00_set_field32(&reg, MAC_ADDR_DW1_UNICAST_TO_ME_MASK, 0xff);
 		conf->mac[1] = cpu_to_le32(reg);
 
-		rt2x00usb_register_multiwrite(rt2x00dev, MAC_ADDR_DW0,
+		rt2800_register_multiwrite(rt2x00dev, MAC_ADDR_DW0,
 					      conf->mac, sizeof(conf->mac));
 	}
 
@@ -559,7 +559,7 @@ static void rt2800usb_config_intf(struct rt2x00_dev *rt2x00dev,
 		rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_BCN_NUM, 0);
 		conf->bssid[1] = cpu_to_le32(reg);
 
-		rt2x00usb_register_multiwrite(rt2x00dev, MAC_BSSID_DW0,
+		rt2800_register_multiwrite(rt2x00dev, MAC_BSSID_DW0,
 					      conf->bssid, sizeof(conf->bssid));
 	}
 }
@@ -1458,7 +1458,7 @@ static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 
 	for (i = 0; i < 256; i++) {
 		u32 wcid[2] = { 0xffffffff, 0x00ffffff };
-		rt2x00usb_register_multiwrite(rt2x00dev, MAC_WCID_ENTRY(i),
+		rt2800_register_multiwrite(rt2x00dev, MAC_WCID_ENTRY(i),
 					      wcid, sizeof(wcid));
 
 		rt2800_register_write(rt2x00dev, MAC_WCID_ATTR_ENTRY(i), 1);
@@ -2646,7 +2646,7 @@ static void rt2800usb_get_tkip_seq(struct ieee80211_hw *hw, u8 hw_key_idx,
 	u32 offset;
 
 	offset = MAC_IVEIV_ENTRY(hw_key_idx);
-	rt2x00usb_register_multiread(rt2x00dev, offset,
+	rt2800_register_multiread(rt2x00dev, offset,
 				      &iveiv_entry, sizeof(iveiv_entry));
 
 	memcpy(&iveiv_entry.iv[0], iv16, sizeof(iv16));
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.h b/drivers/net/wireless/rt2x00/rt2800usb.h
index 9d2dcc5f849..95a4f96a5fc 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.h
+++ b/drivers/net/wireless/rt2x00/rt2800usb.h
@@ -48,6 +48,20 @@ static inline void rt2800_register_write_lock(struct rt2x00_dev *rt2x00dev,
 	rt2x00usb_register_write_lock(rt2x00dev, offset, value);
 }
 
+static inline void rt2800_register_multiread(struct rt2x00_dev *rt2x00dev,
+					     const unsigned int offset,
+					     void *value, const u32 length)
+{
+	rt2x00usb_register_multiread(rt2x00dev, offset, value, length);
+}
+
+static inline void rt2800_register_multiwrite(struct rt2x00_dev *rt2x00dev,
+					      const unsigned int offset,
+					      void *value, const u32 length)
+{
+	rt2x00usb_register_multiwrite(rt2x00dev, offset, value, length);
+}
+
 /*
  * RF chip defines.
  *
-- 
GitLab


From 4f2732ce8d02836b94299f64bc29b030545d654a Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:33:27 +0100
Subject: [PATCH 0964/1815] rt2800pci: add rt2800_register_multi[read,write]()
 wrappers

Part of preparations for later code unification.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800pci.c | 22 +++++++++++-----------
 drivers/net/wireless/rt2x00/rt2800pci.h | 15 +++++++++++++++
 2 files changed, 26 insertions(+), 11 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 802086dce70..8b98ff822f1 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -525,7 +525,7 @@ static void rt2800pci_config_wcid_attr(struct rt2x00_dev *rt2x00dev,
 	    (crypto->cipher == CIPHER_AES))
 		iveiv_entry.iv[3] |= 0x20;
 	iveiv_entry.iv[3] |= key->keyidx << 6;
-	rt2x00pci_register_multiwrite(rt2x00dev, offset,
+	rt2800_register_multiwrite(rt2x00dev, offset,
 				      &iveiv_entry, sizeof(iveiv_entry));
 
 	offset = MAC_WCID_ENTRY(key->hw_key_idx);
@@ -533,7 +533,7 @@ static void rt2800pci_config_wcid_attr(struct rt2x00_dev *rt2x00dev,
 	memset(&wcid_entry, 0, sizeof(wcid_entry));
 	if (crypto->cmd == SET_KEY)
 		memcpy(&wcid_entry, crypto->address, ETH_ALEN);
-	rt2x00pci_register_multiwrite(rt2x00dev, offset,
+	rt2800_register_multiwrite(rt2x00dev, offset,
 				      &wcid_entry, sizeof(wcid_entry));
 }
 
@@ -557,7 +557,7 @@ static int rt2800pci_config_shared_key(struct rt2x00_dev *rt2x00dev,
 		       sizeof(key_entry.rx_mic));
 
 		offset = SHARED_KEY_ENTRY(key->hw_key_idx);
-		rt2x00pci_register_multiwrite(rt2x00dev, offset,
+		rt2800_register_multiwrite(rt2x00dev, offset,
 					      &key_entry, sizeof(key_entry));
 	}
 
@@ -613,7 +613,7 @@ static int rt2800pci_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
 		       sizeof(key_entry.rx_mic));
 
 		offset = PAIRWISE_KEY_ENTRY(key->hw_key_idx);
-		rt2x00pci_register_multiwrite(rt2x00dev, offset,
+		rt2800_register_multiwrite(rt2x00dev, offset,
 					      &key_entry, sizeof(key_entry));
 	}
 
@@ -701,7 +701,7 @@ static void rt2800pci_config_intf(struct rt2x00_dev *rt2x00dev,
 		rt2x00_set_field32(&reg, MAC_ADDR_DW1_UNICAST_TO_ME_MASK, 0xff);
 		conf->mac[1] = cpu_to_le32(reg);
 
-		rt2x00pci_register_multiwrite(rt2x00dev, MAC_ADDR_DW0,
+		rt2800_register_multiwrite(rt2x00dev, MAC_ADDR_DW0,
 					      conf->mac, sizeof(conf->mac));
 	}
 
@@ -711,7 +711,7 @@ static void rt2800pci_config_intf(struct rt2x00_dev *rt2x00dev,
 		rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_BCN_NUM, 0);
 		conf->bssid[1] = cpu_to_le32(reg);
 
-		rt2x00pci_register_multiwrite(rt2x00dev, MAC_BSSID_DW0,
+		rt2800_register_multiwrite(rt2x00dev, MAC_BSSID_DW0,
 					      conf->bssid, sizeof(conf->bssid));
 	}
 }
@@ -1296,7 +1296,7 @@ static int rt2800pci_load_firmware(struct rt2x00_dev *rt2x00dev,
 	/*
 	 * Write firmware to device.
 	 */
-	rt2x00pci_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
+	rt2800_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
 				      data, len);
 
 	rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000);
@@ -1612,7 +1612,7 @@ static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev)
 
 	for (i = 0; i < 256; i++) {
 		u32 wcid[2] = { 0xffffffff, 0x00ffffff };
-		rt2x00pci_register_multiwrite(rt2x00dev, MAC_WCID_ENTRY(i),
+		rt2800_register_multiwrite(rt2x00dev, MAC_WCID_ENTRY(i),
 					      wcid, sizeof(wcid));
 
 		rt2800_register_write(rt2x00dev, MAC_WCID_ATTR_ENTRY(i), 1);
@@ -2276,10 +2276,10 @@ static void rt2800pci_write_beacon(struct queue_entry *entry)
 	 * Write entire beacon with descriptor to register.
 	 */
 	beacon_base = HW_BEACON_OFFSET(entry->entry_idx);
-	rt2x00pci_register_multiwrite(rt2x00dev,
+	rt2800_register_multiwrite(rt2x00dev,
 				      beacon_base,
 				      skbdesc->desc, skbdesc->desc_len);
-	rt2x00pci_register_multiwrite(rt2x00dev,
+	rt2800_register_multiwrite(rt2x00dev,
 				      beacon_base + skbdesc->desc_len,
 				      entry->skb->data, entry->skb->len);
 
@@ -3010,7 +3010,7 @@ static void rt2800pci_get_tkip_seq(struct ieee80211_hw *hw, u8 hw_key_idx,
 	u32 offset;
 
 	offset = MAC_IVEIV_ENTRY(hw_key_idx);
-	rt2x00pci_register_multiread(rt2x00dev, offset,
+	rt2800_register_multiread(rt2x00dev, offset,
 				      &iveiv_entry, sizeof(iveiv_entry));
 
 	memcpy(&iveiv_entry.iv[0], iv16, sizeof(iv16));
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.h b/drivers/net/wireless/rt2x00/rt2800pci.h
index 0349be77af3..bace4921e8c 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.h
+++ b/drivers/net/wireless/rt2x00/rt2800pci.h
@@ -48,6 +48,21 @@ static inline void rt2800_register_write_lock(struct rt2x00_dev *rt2x00dev,
 	rt2x00pci_register_write(rt2x00dev, offset, value);
 }
 
+static inline void rt2800_register_multiread(struct rt2x00_dev *rt2x00dev,
+					     const unsigned int offset,
+					     void *value, const u16 length)
+{
+	rt2x00pci_register_multiread(rt2x00dev, offset, value, length);
+}
+
+static inline void rt2800_register_multiwrite(struct rt2x00_dev *rt2x00dev,
+					      const unsigned int offset,
+					      const void *value,
+					      const u16 length)
+{
+	rt2x00pci_register_multiwrite(rt2x00dev, offset, value, length);
+}
+
 /*
  * RF chip defines.
  *
-- 
GitLab


From ab209b9834d43ac7c01e803681c5c50c941e4de3 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:33:34 +0100
Subject: [PATCH 0965/1815] rt2800usb: add rt2800_regbusy_read() wrapper

Part of preparations for later code unification.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800usb.c | 10 +++++-----
 drivers/net/wireless/rt2x00/rt2800usb.h |  8 ++++++++
 2 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index d7307b28a01..28d2e8b8010 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -58,14 +58,14 @@ MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
  * The _lock versions must be used if you already hold the csr_mutex
  */
 #define WAIT_FOR_BBP(__dev, __reg) \
-	rt2x00usb_regbusy_read((__dev), BBP_CSR_CFG, BBP_CSR_CFG_BUSY, (__reg))
+	rt2800_regbusy_read((__dev), BBP_CSR_CFG, BBP_CSR_CFG_BUSY, (__reg))
 #define WAIT_FOR_RFCSR(__dev, __reg) \
-	rt2x00usb_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY, (__reg))
+	rt2800_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY, (__reg))
 #define WAIT_FOR_RF(__dev, __reg) \
-	rt2x00usb_regbusy_read((__dev), RF_CSR_CFG0, RF_CSR_CFG0_BUSY, (__reg))
+	rt2800_regbusy_read((__dev), RF_CSR_CFG0, RF_CSR_CFG0_BUSY, (__reg))
 #define WAIT_FOR_MCU(__dev, __reg) \
-	rt2x00usb_regbusy_read((__dev), H2M_MAILBOX_CSR, \
-			       H2M_MAILBOX_CSR_OWNER, (__reg))
+	rt2800_regbusy_read((__dev), H2M_MAILBOX_CSR, \
+			    H2M_MAILBOX_CSR_OWNER, (__reg))
 
 static void rt2800usb_bbp_write(struct rt2x00_dev *rt2x00dev,
 				const unsigned int word, const u8 value)
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.h b/drivers/net/wireless/rt2x00/rt2800usb.h
index 95a4f96a5fc..180dfce41b2 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.h
+++ b/drivers/net/wireless/rt2x00/rt2800usb.h
@@ -62,6 +62,14 @@ static inline void rt2800_register_multiwrite(struct rt2x00_dev *rt2x00dev,
 	rt2x00usb_register_multiwrite(rt2x00dev, offset, value, length);
 }
 
+static inline int rt2800_regbusy_read(struct rt2x00_dev *rt2x00dev,
+				      const unsigned int offset,
+				      struct rt2x00_field32 field,
+				      u32 *reg)
+{
+	return rt2x00usb_regbusy_read(rt2x00dev, offset, field, reg);
+}
+
 /*
  * RF chip defines.
  *
-- 
GitLab


From b4a77d0dee11db834bebe0cc78c211cfebf0d924 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:33:41 +0100
Subject: [PATCH 0966/1815] rt2800pci: add rt2800_regbusy_read() wrapper

Part of preparations for later code unification.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800pci.c | 12 ++++++------
 drivers/net/wireless/rt2x00/rt2800pci.h |  8 ++++++++
 2 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 8b98ff822f1..cb55e6d10b6 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -69,14 +69,14 @@ MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
  * The _lock versions must be used if you already hold the csr_mutex
  */
 #define WAIT_FOR_BBP(__dev, __reg) \
-	rt2x00pci_regbusy_read((__dev), BBP_CSR_CFG, BBP_CSR_CFG_BUSY, (__reg))
+	rt2800_regbusy_read((__dev), BBP_CSR_CFG, BBP_CSR_CFG_BUSY, (__reg))
 #define WAIT_FOR_RFCSR(__dev, __reg) \
-	rt2x00pci_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY, (__reg))
+	rt2800_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY, (__reg))
 #define WAIT_FOR_RF(__dev, __reg) \
-	rt2x00pci_regbusy_read((__dev), RF_CSR_CFG0, RF_CSR_CFG0_BUSY, (__reg))
+	rt2800_regbusy_read((__dev), RF_CSR_CFG0, RF_CSR_CFG0_BUSY, (__reg))
 #define WAIT_FOR_MCU(__dev, __reg) \
-	rt2x00pci_regbusy_read((__dev), H2M_MAILBOX_CSR, \
-			       H2M_MAILBOX_CSR_OWNER, (__reg))
+	rt2800_regbusy_read((__dev), H2M_MAILBOX_CSR, \
+			    H2M_MAILBOX_CSR_OWNER, (__reg))
 
 static void rt2800pci_bbp_write(struct rt2x00_dev *rt2x00dev,
 				const unsigned int word, const u8 value)
@@ -350,7 +350,7 @@ static void rt2800pci_efuse_read(struct rt2x00_dev *rt2x00dev,
 	rt2800_register_write(rt2x00dev, EFUSE_CTRL, reg);
 
 	/* Wait until the EEPROM has been loaded */
-	rt2x00pci_regbusy_read(rt2x00dev, EFUSE_CTRL, EFUSE_CTRL_KICK, &reg);
+	rt2800_regbusy_read(rt2x00dev, EFUSE_CTRL, EFUSE_CTRL_KICK, &reg);
 
 	/* Apparently the data is read from end to start */
 	rt2800_register_read(rt2x00dev, EFUSE_DATA3,
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.h b/drivers/net/wireless/rt2x00/rt2800pci.h
index bace4921e8c..392f580cbb6 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.h
+++ b/drivers/net/wireless/rt2x00/rt2800pci.h
@@ -63,6 +63,14 @@ static inline void rt2800_register_multiwrite(struct rt2x00_dev *rt2x00dev,
 	rt2x00pci_register_multiwrite(rt2x00dev, offset, value, length);
 }
 
+static inline int rt2800_regbusy_read(struct rt2x00_dev *rt2x00dev,
+				      const unsigned int offset,
+				      const struct rt2x00_field32 field,
+				      u32 *reg)
+{
+	return rt2x00pci_regbusy_read(rt2x00dev, offset, field, reg);
+}
+
 /*
  * RF chip defines.
  *
-- 
GitLab


From eff6eced615f80cef3e4979691c7920961dda47c Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:33:50 +0100
Subject: [PATCH 0967/1815] rt2800usb: add rt2800_bbp_[read,write]() wrappers

Part of preparations for later code unification.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800usb.c | 138 +++++++++++++-----------
 1 file changed, 75 insertions(+), 63 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 28d2e8b8010..d26e1ea4105 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -122,6 +122,18 @@ static void rt2800usb_bbp_read(struct rt2x00_dev *rt2x00dev,
 	mutex_unlock(&rt2x00dev->csr_mutex);
 }
 
+static inline void rt2800_bbp_write(struct rt2x00_dev *rt2x00dev,
+				    const unsigned int word, const u8 value)
+{
+	rt2800usb_bbp_write(rt2x00dev, word, value);
+}
+
+static inline void rt2800_bbp_read(struct rt2x00_dev *rt2x00dev,
+				   const unsigned int word, u8 *value)
+{
+	rt2800usb_bbp_read(rt2x00dev, word, value);
+}
+
 static void rt2800usb_rfcsr_write(struct rt2x00_dev *rt2x00dev,
 				  const unsigned int word, const u8 value)
 {
@@ -248,8 +260,8 @@ static const struct rt2x00debug rt2800usb_rt2x00debug = {
 		.word_count	= EEPROM_SIZE / sizeof(u16),
 	},
 	.bbp	= {
-		.read		= rt2800usb_bbp_read,
-		.write		= rt2800usb_bbp_write,
+		.read		= rt2800_bbp_read,
+		.write		= rt2800_bbp_write,
 		.word_base	= BBP_BASE,
 		.word_size	= sizeof(u8),
 		.word_count	= BBP_SIZE / sizeof(u8),
@@ -614,8 +626,8 @@ static void rt2800usb_config_ant(struct rt2x00_dev *rt2x00dev,
 	u8 r1;
 	u8 r3;
 
-	rt2800usb_bbp_read(rt2x00dev, 1, &r1);
-	rt2800usb_bbp_read(rt2x00dev, 3, &r3);
+	rt2800_bbp_read(rt2x00dev, 1, &r1);
+	rt2800_bbp_read(rt2x00dev, 3, &r3);
 
 	/*
 	 * Configure the TX antenna.
@@ -647,8 +659,8 @@ static void rt2800usb_config_ant(struct rt2x00_dev *rt2x00dev,
 		break;
 	}
 
-	rt2800usb_bbp_write(rt2x00dev, 3, r3);
-	rt2800usb_bbp_write(rt2x00dev, 1, r1);
+	rt2800_bbp_write(rt2x00dev, 3, r3);
+	rt2800_bbp_write(rt2x00dev, 1, r1);
 }
 
 static void rt2800usb_config_lna_gain(struct rt2x00_dev *rt2x00dev,
@@ -791,26 +803,26 @@ static void rt2800usb_config_channel(struct rt2x00_dev *rt2x00dev,
 	/*
 	 * Change BBP settings
 	 */
-	rt2800usb_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
-	rt2800usb_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
-	rt2800usb_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
-	rt2800usb_bbp_write(rt2x00dev, 86, 0);
+	rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
+	rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
+	rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
+	rt2800_bbp_write(rt2x00dev, 86, 0);
 
 	if (rf->channel <= 14) {
 		if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) {
-			rt2800usb_bbp_write(rt2x00dev, 82, 0x62);
-			rt2800usb_bbp_write(rt2x00dev, 75, 0x46);
+			rt2800_bbp_write(rt2x00dev, 82, 0x62);
+			rt2800_bbp_write(rt2x00dev, 75, 0x46);
 		} else {
-			rt2800usb_bbp_write(rt2x00dev, 82, 0x84);
-			rt2800usb_bbp_write(rt2x00dev, 75, 0x50);
+			rt2800_bbp_write(rt2x00dev, 82, 0x84);
+			rt2800_bbp_write(rt2x00dev, 75, 0x50);
 		}
 	} else {
-		rt2800usb_bbp_write(rt2x00dev, 82, 0xf2);
+		rt2800_bbp_write(rt2x00dev, 82, 0xf2);
 
 		if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags))
-			rt2800usb_bbp_write(rt2x00dev, 75, 0x46);
+			rt2800_bbp_write(rt2x00dev, 75, 0x46);
 		else
-			rt2800usb_bbp_write(rt2x00dev, 75, 0x50);
+			rt2800_bbp_write(rt2x00dev, 75, 0x50);
 	}
 
 	rt2800_register_read(rt2x00dev, TX_BAND_CFG, &reg);
@@ -842,23 +854,23 @@ static void rt2800usb_config_channel(struct rt2x00_dev *rt2x00dev,
 
 	rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
 
-	rt2800usb_bbp_read(rt2x00dev, 4, &bbp);
+	rt2800_bbp_read(rt2x00dev, 4, &bbp);
 	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf));
-	rt2800usb_bbp_write(rt2x00dev, 4, bbp);
+	rt2800_bbp_write(rt2x00dev, 4, bbp);
 
-	rt2800usb_bbp_read(rt2x00dev, 3, &bbp);
+	rt2800_bbp_read(rt2x00dev, 3, &bbp);
 	rt2x00_set_field8(&bbp, BBP3_HT40_PLUS, conf_is_ht40_plus(conf));
-	rt2800usb_bbp_write(rt2x00dev, 3, bbp);
+	rt2800_bbp_write(rt2x00dev, 3, bbp);
 
 	if (rt2x00_rev(&rt2x00dev->chip) == RT2860C_VERSION) {
 		if (conf_is_ht40(conf)) {
-			rt2800usb_bbp_write(rt2x00dev, 69, 0x1a);
-			rt2800usb_bbp_write(rt2x00dev, 70, 0x0a);
-			rt2800usb_bbp_write(rt2x00dev, 73, 0x16);
+			rt2800_bbp_write(rt2x00dev, 69, 0x1a);
+			rt2800_bbp_write(rt2x00dev, 70, 0x0a);
+			rt2800_bbp_write(rt2x00dev, 73, 0x16);
 		} else {
-			rt2800usb_bbp_write(rt2x00dev, 69, 0x16);
-			rt2800usb_bbp_write(rt2x00dev, 70, 0x08);
-			rt2800usb_bbp_write(rt2x00dev, 73, 0x11);
+			rt2800_bbp_write(rt2x00dev, 69, 0x16);
+			rt2800_bbp_write(rt2x00dev, 70, 0x08);
+			rt2800_bbp_write(rt2x00dev, 73, 0x11);
 		}
 	}
 
@@ -872,9 +884,9 @@ static void rt2800usb_config_txpower(struct rt2x00_dev *rt2x00dev,
 	u32 value = TXPOWER_G_TO_DEV(txpower);
 	u8 r1;
 
-	rt2800usb_bbp_read(rt2x00dev, 1, &r1);
+	rt2800_bbp_read(rt2x00dev, 1, &r1);
 	rt2x00_set_field8(&reg, BBP1_TX_POWER, 0);
-	rt2800usb_bbp_write(rt2x00dev, 1, r1);
+	rt2800_bbp_write(rt2x00dev, 1, r1);
 
 	rt2800_register_read(rt2x00dev, TX_PWR_CFG_0, &reg);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_0_1MBS, value);
@@ -1027,7 +1039,7 @@ static inline void rt2800usb_set_vgc(struct rt2x00_dev *rt2x00dev,
 				     struct link_qual *qual, u8 vgc_level)
 {
 	if (qual->vgc_level != vgc_level) {
-		rt2800usb_bbp_write(rt2x00dev, 66, vgc_level);
+		rt2800_bbp_write(rt2x00dev, 66, vgc_level);
 		qual->vgc_level = vgc_level;
 		qual->vgc_level_reg = vgc_level;
 	}
@@ -1570,7 +1582,7 @@ static int rt2800usb_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
 	msleep(1);
 
 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
-		rt2800usb_bbp_read(rt2x00dev, 0, &value);
+		rt2800_bbp_read(rt2x00dev, 0, &value);
 		if ((value != 0xff) && (value != 0x00))
 			return 0;
 		udelay(REGISTER_BUSY_DELAY);
@@ -1591,34 +1603,34 @@ static int rt2800usb_init_bbp(struct rt2x00_dev *rt2x00dev)
 		     rt2800usb_wait_bbp_ready(rt2x00dev)))
 		return -EACCES;
 
-	rt2800usb_bbp_write(rt2x00dev, 65, 0x2c);
-	rt2800usb_bbp_write(rt2x00dev, 66, 0x38);
-	rt2800usb_bbp_write(rt2x00dev, 69, 0x12);
-	rt2800usb_bbp_write(rt2x00dev, 70, 0x0a);
-	rt2800usb_bbp_write(rt2x00dev, 73, 0x10);
-	rt2800usb_bbp_write(rt2x00dev, 81, 0x37);
-	rt2800usb_bbp_write(rt2x00dev, 82, 0x62);
-	rt2800usb_bbp_write(rt2x00dev, 83, 0x6a);
-	rt2800usb_bbp_write(rt2x00dev, 84, 0x99);
-	rt2800usb_bbp_write(rt2x00dev, 86, 0x00);
-	rt2800usb_bbp_write(rt2x00dev, 91, 0x04);
-	rt2800usb_bbp_write(rt2x00dev, 92, 0x00);
-	rt2800usb_bbp_write(rt2x00dev, 103, 0x00);
-	rt2800usb_bbp_write(rt2x00dev, 105, 0x05);
+	rt2800_bbp_write(rt2x00dev, 65, 0x2c);
+	rt2800_bbp_write(rt2x00dev, 66, 0x38);
+	rt2800_bbp_write(rt2x00dev, 69, 0x12);
+	rt2800_bbp_write(rt2x00dev, 70, 0x0a);
+	rt2800_bbp_write(rt2x00dev, 73, 0x10);
+	rt2800_bbp_write(rt2x00dev, 81, 0x37);
+	rt2800_bbp_write(rt2x00dev, 82, 0x62);
+	rt2800_bbp_write(rt2x00dev, 83, 0x6a);
+	rt2800_bbp_write(rt2x00dev, 84, 0x99);
+	rt2800_bbp_write(rt2x00dev, 86, 0x00);
+	rt2800_bbp_write(rt2x00dev, 91, 0x04);
+	rt2800_bbp_write(rt2x00dev, 92, 0x00);
+	rt2800_bbp_write(rt2x00dev, 103, 0x00);
+	rt2800_bbp_write(rt2x00dev, 105, 0x05);
 
 	if (rt2x00_rev(&rt2x00dev->chip) == RT2860C_VERSION) {
-		rt2800usb_bbp_write(rt2x00dev, 69, 0x16);
-		rt2800usb_bbp_write(rt2x00dev, 73, 0x12);
+		rt2800_bbp_write(rt2x00dev, 69, 0x16);
+		rt2800_bbp_write(rt2x00dev, 73, 0x12);
 	}
 
 	if (rt2x00_rev(&rt2x00dev->chip) > RT2860D_VERSION) {
-		rt2800usb_bbp_write(rt2x00dev, 84, 0x19);
+		rt2800_bbp_write(rt2x00dev, 84, 0x19);
 	}
 
 	if (rt2x00_rev(&rt2x00dev->chip) == RT3070_VERSION) {
-		rt2800usb_bbp_write(rt2x00dev, 70, 0x0a);
-		rt2800usb_bbp_write(rt2x00dev, 84, 0x99);
-		rt2800usb_bbp_write(rt2x00dev, 105, 0x05);
+		rt2800_bbp_write(rt2x00dev, 70, 0x0a);
+		rt2800_bbp_write(rt2x00dev, 84, 0x99);
+		rt2800_bbp_write(rt2x00dev, 105, 0x05);
 	}
 
 	for (i = 0; i < EEPROM_BBP_SIZE; i++) {
@@ -1627,7 +1639,7 @@ static int rt2800usb_init_bbp(struct rt2x00_dev *rt2x00dev)
 		if (eeprom != 0xffff && eeprom != 0x0000) {
 			reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
 			value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
-			rt2800usb_bbp_write(rt2x00dev, reg_id, value);
+			rt2800_bbp_write(rt2x00dev, reg_id, value);
 		}
 	}
 
@@ -1646,9 +1658,9 @@ static u8 rt2800usb_init_rx_filter(struct rt2x00_dev *rt2x00dev,
 
 	rt2800usb_rfcsr_write(rt2x00dev, 24, rfcsr24);
 
-	rt2800usb_bbp_read(rt2x00dev, 4, &bbp);
+	rt2800_bbp_read(rt2x00dev, 4, &bbp);
 	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40);
-	rt2800usb_bbp_write(rt2x00dev, 4, bbp);
+	rt2800_bbp_write(rt2x00dev, 4, bbp);
 
 	rt2800usb_rfcsr_read(rt2x00dev, 22, &rfcsr);
 	rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1);
@@ -1657,13 +1669,13 @@ static u8 rt2800usb_init_rx_filter(struct rt2x00_dev *rt2x00dev,
 	/*
 	 * Set power & frequency of passband test tone
 	 */
-	rt2800usb_bbp_write(rt2x00dev, 24, 0);
+	rt2800_bbp_write(rt2x00dev, 24, 0);
 
 	for (i = 0; i < 100; i++) {
-		rt2800usb_bbp_write(rt2x00dev, 25, 0x90);
+		rt2800_bbp_write(rt2x00dev, 25, 0x90);
 		msleep(1);
 
-		rt2800usb_bbp_read(rt2x00dev, 55, &passband);
+		rt2800_bbp_read(rt2x00dev, 55, &passband);
 		if (passband)
 			break;
 	}
@@ -1671,13 +1683,13 @@ static u8 rt2800usb_init_rx_filter(struct rt2x00_dev *rt2x00dev,
 	/*
 	 * Set power & frequency of stopband test tone
 	 */
-	rt2800usb_bbp_write(rt2x00dev, 24, 0x06);
+	rt2800_bbp_write(rt2x00dev, 24, 0x06);
 
 	for (i = 0; i < 100; i++) {
-		rt2800usb_bbp_write(rt2x00dev, 25, 0x90);
+		rt2800_bbp_write(rt2x00dev, 25, 0x90);
 		msleep(1);
 
-		rt2800usb_bbp_read(rt2x00dev, 55, &stopband);
+		rt2800_bbp_read(rt2x00dev, 55, &stopband);
 
 		if ((passband - stopband) <= filter_target) {
 			rfcsr24++;
@@ -1744,7 +1756,7 @@ static int rt2800usb_init_rfcsr(struct rt2x00_dev *rt2x00dev)
 	/*
 	 * Set back to initial state
 	 */
-	rt2800usb_bbp_write(rt2x00dev, 24, 0);
+	rt2800_bbp_write(rt2x00dev, 24, 0);
 
 	rt2800usb_rfcsr_read(rt2x00dev, 22, &rfcsr);
 	rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 0);
@@ -1753,9 +1765,9 @@ static int rt2800usb_init_rfcsr(struct rt2x00_dev *rt2x00dev)
 	/*
 	 * set BBP back to BW20
 	 */
-	rt2800usb_bbp_read(rt2x00dev, 4, &bbp);
+	rt2800_bbp_read(rt2x00dev, 4, &bbp);
 	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0);
-	rt2800usb_bbp_write(rt2x00dev, 4, bbp);
+	rt2800_bbp_write(rt2x00dev, 4, bbp);
 
 	return 0;
 }
-- 
GitLab


From 3e2c9df7b940c8d1d0626f61038e10a32d65f27d Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:33:57 +0100
Subject: [PATCH 0968/1815] rt2800pci: add rt2800_bbp_[read,write]() wrappers

Part of preparations for later code unification.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800pci.c | 138 +++++++++++++-----------
 1 file changed, 75 insertions(+), 63 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index cb55e6d10b6..12344fd02b3 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -135,6 +135,18 @@ static void rt2800pci_bbp_read(struct rt2x00_dev *rt2x00dev,
 	mutex_unlock(&rt2x00dev->csr_mutex);
 }
 
+static inline void rt2800_bbp_write(struct rt2x00_dev *rt2x00dev,
+				    const unsigned int word, const u8 value)
+{
+	rt2800pci_bbp_write(rt2x00dev, word, value);
+}
+
+static inline void rt2800_bbp_read(struct rt2x00_dev *rt2x00dev,
+				   const unsigned int word, u8 *value)
+{
+	rt2800pci_bbp_read(rt2x00dev, word, value);
+}
+
 static void rt2800pci_rfcsr_write(struct rt2x00_dev *rt2x00dev,
 				  const unsigned int word, const u8 value)
 {
@@ -399,8 +411,8 @@ static const struct rt2x00debug rt2800pci_rt2x00debug = {
 		.word_count	= EEPROM_SIZE / sizeof(u16),
 	},
 	.bbp	= {
-		.read		= rt2800pci_bbp_read,
-		.write		= rt2800pci_bbp_write,
+		.read		= rt2800_bbp_read,
+		.write		= rt2800_bbp_write,
 		.word_base	= BBP_BASE,
 		.word_size	= sizeof(u8),
 		.word_count	= BBP_SIZE / sizeof(u8),
@@ -766,8 +778,8 @@ static void rt2800pci_config_ant(struct rt2x00_dev *rt2x00dev,
 	u8 r1;
 	u8 r3;
 
-	rt2800pci_bbp_read(rt2x00dev, 1, &r1);
-	rt2800pci_bbp_read(rt2x00dev, 3, &r3);
+	rt2800_bbp_read(rt2x00dev, 1, &r1);
+	rt2800_bbp_read(rt2x00dev, 3, &r3);
 
 	/*
 	 * Configure the TX antenna.
@@ -800,8 +812,8 @@ static void rt2800pci_config_ant(struct rt2x00_dev *rt2x00dev,
 		break;
 	}
 
-	rt2800pci_bbp_write(rt2x00dev, 3, r3);
-	rt2800pci_bbp_write(rt2x00dev, 1, r1);
+	rt2800_bbp_write(rt2x00dev, 3, r3);
+	rt2800_bbp_write(rt2x00dev, 1, r1);
 }
 
 static void rt2800pci_config_lna_gain(struct rt2x00_dev *rt2x00dev,
@@ -944,26 +956,26 @@ static void rt2800pci_config_channel(struct rt2x00_dev *rt2x00dev,
 	/*
 	 * Change BBP settings
 	 */
-	rt2800pci_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
-	rt2800pci_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
-	rt2800pci_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
-	rt2800pci_bbp_write(rt2x00dev, 86, 0);
+	rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
+	rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
+	rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
+	rt2800_bbp_write(rt2x00dev, 86, 0);
 
 	if (rf->channel <= 14) {
 		if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) {
-			rt2800pci_bbp_write(rt2x00dev, 82, 0x62);
-			rt2800pci_bbp_write(rt2x00dev, 75, 0x46);
+			rt2800_bbp_write(rt2x00dev, 82, 0x62);
+			rt2800_bbp_write(rt2x00dev, 75, 0x46);
 		} else {
-			rt2800pci_bbp_write(rt2x00dev, 82, 0x84);
-			rt2800pci_bbp_write(rt2x00dev, 75, 0x50);
+			rt2800_bbp_write(rt2x00dev, 82, 0x84);
+			rt2800_bbp_write(rt2x00dev, 75, 0x50);
 		}
 	} else {
-		rt2800pci_bbp_write(rt2x00dev, 82, 0xf2);
+		rt2800_bbp_write(rt2x00dev, 82, 0xf2);
 
 		if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags))
-			rt2800pci_bbp_write(rt2x00dev, 75, 0x46);
+			rt2800_bbp_write(rt2x00dev, 75, 0x46);
 		else
-			rt2800pci_bbp_write(rt2x00dev, 75, 0x50);
+			rt2800_bbp_write(rt2x00dev, 75, 0x50);
 	}
 
 	rt2800_register_read(rt2x00dev, TX_BAND_CFG, &reg);
@@ -995,23 +1007,23 @@ static void rt2800pci_config_channel(struct rt2x00_dev *rt2x00dev,
 
 	rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
 
-	rt2800pci_bbp_read(rt2x00dev, 4, &bbp);
+	rt2800_bbp_read(rt2x00dev, 4, &bbp);
 	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf));
-	rt2800pci_bbp_write(rt2x00dev, 4, bbp);
+	rt2800_bbp_write(rt2x00dev, 4, bbp);
 
-	rt2800pci_bbp_read(rt2x00dev, 3, &bbp);
+	rt2800_bbp_read(rt2x00dev, 3, &bbp);
 	rt2x00_set_field8(&bbp, BBP3_HT40_PLUS, conf_is_ht40_plus(conf));
-	rt2800pci_bbp_write(rt2x00dev, 3, bbp);
+	rt2800_bbp_write(rt2x00dev, 3, bbp);
 
 	if (rt2x00_rev(&rt2x00dev->chip) == RT2860C_VERSION) {
 		if (conf_is_ht40(conf)) {
-			rt2800pci_bbp_write(rt2x00dev, 69, 0x1a);
-			rt2800pci_bbp_write(rt2x00dev, 70, 0x0a);
-			rt2800pci_bbp_write(rt2x00dev, 73, 0x16);
+			rt2800_bbp_write(rt2x00dev, 69, 0x1a);
+			rt2800_bbp_write(rt2x00dev, 70, 0x0a);
+			rt2800_bbp_write(rt2x00dev, 73, 0x16);
 		} else {
-			rt2800pci_bbp_write(rt2x00dev, 69, 0x16);
-			rt2800pci_bbp_write(rt2x00dev, 70, 0x08);
-			rt2800pci_bbp_write(rt2x00dev, 73, 0x11);
+			rt2800_bbp_write(rt2x00dev, 69, 0x16);
+			rt2800_bbp_write(rt2x00dev, 70, 0x08);
+			rt2800_bbp_write(rt2x00dev, 73, 0x11);
 		}
 	}
 
@@ -1025,9 +1037,9 @@ static void rt2800pci_config_txpower(struct rt2x00_dev *rt2x00dev,
 	u32 value = TXPOWER_G_TO_DEV(txpower);
 	u8 r1;
 
-	rt2800pci_bbp_read(rt2x00dev, 1, &r1);
+	rt2800_bbp_read(rt2x00dev, 1, &r1);
 	rt2x00_set_field8(&reg, BBP1_TX_POWER, 0);
-	rt2800pci_bbp_write(rt2x00dev, 1, r1);
+	rt2800_bbp_write(rt2x00dev, 1, r1);
 
 	rt2800_register_read(rt2x00dev, TX_PWR_CFG_0, &reg);
 	rt2x00_set_field32(&reg, TX_PWR_CFG_0_1MBS, value);
@@ -1176,7 +1188,7 @@ static inline void rt2800pci_set_vgc(struct rt2x00_dev *rt2x00dev,
 				     struct link_qual *qual, u8 vgc_level)
 {
 	if (qual->vgc_level != vgc_level) {
-		rt2800pci_bbp_write(rt2x00dev, 66, vgc_level);
+		rt2800_bbp_write(rt2x00dev, 66, vgc_level);
 		qual->vgc_level = vgc_level;
 		qual->vgc_level_reg = vgc_level;
 	}
@@ -1720,7 +1732,7 @@ static int rt2800pci_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
 	msleep(1);
 
 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
-		rt2800pci_bbp_read(rt2x00dev, 0, &value);
+		rt2800_bbp_read(rt2x00dev, 0, &value);
 		if ((value != 0xff) && (value != 0x00))
 			return 0;
 		udelay(REGISTER_BUSY_DELAY);
@@ -1741,33 +1753,33 @@ static int rt2800pci_init_bbp(struct rt2x00_dev *rt2x00dev)
 		     rt2800pci_wait_bbp_ready(rt2x00dev)))
 		return -EACCES;
 
-	rt2800pci_bbp_write(rt2x00dev, 65, 0x2c);
-	rt2800pci_bbp_write(rt2x00dev, 66, 0x38);
-	rt2800pci_bbp_write(rt2x00dev, 69, 0x12);
-	rt2800pci_bbp_write(rt2x00dev, 70, 0x0a);
-	rt2800pci_bbp_write(rt2x00dev, 73, 0x10);
-	rt2800pci_bbp_write(rt2x00dev, 81, 0x37);
-	rt2800pci_bbp_write(rt2x00dev, 82, 0x62);
-	rt2800pci_bbp_write(rt2x00dev, 83, 0x6a);
-	rt2800pci_bbp_write(rt2x00dev, 84, 0x99);
-	rt2800pci_bbp_write(rt2x00dev, 86, 0x00);
-	rt2800pci_bbp_write(rt2x00dev, 91, 0x04);
-	rt2800pci_bbp_write(rt2x00dev, 92, 0x00);
-	rt2800pci_bbp_write(rt2x00dev, 103, 0x00);
-	rt2800pci_bbp_write(rt2x00dev, 105, 0x05);
+	rt2800_bbp_write(rt2x00dev, 65, 0x2c);
+	rt2800_bbp_write(rt2x00dev, 66, 0x38);
+	rt2800_bbp_write(rt2x00dev, 69, 0x12);
+	rt2800_bbp_write(rt2x00dev, 70, 0x0a);
+	rt2800_bbp_write(rt2x00dev, 73, 0x10);
+	rt2800_bbp_write(rt2x00dev, 81, 0x37);
+	rt2800_bbp_write(rt2x00dev, 82, 0x62);
+	rt2800_bbp_write(rt2x00dev, 83, 0x6a);
+	rt2800_bbp_write(rt2x00dev, 84, 0x99);
+	rt2800_bbp_write(rt2x00dev, 86, 0x00);
+	rt2800_bbp_write(rt2x00dev, 91, 0x04);
+	rt2800_bbp_write(rt2x00dev, 92, 0x00);
+	rt2800_bbp_write(rt2x00dev, 103, 0x00);
+	rt2800_bbp_write(rt2x00dev, 105, 0x05);
 
 	if (rt2x00_rev(&rt2x00dev->chip) == RT2860C_VERSION) {
-		rt2800pci_bbp_write(rt2x00dev, 69, 0x16);
-		rt2800pci_bbp_write(rt2x00dev, 73, 0x12);
+		rt2800_bbp_write(rt2x00dev, 69, 0x16);
+		rt2800_bbp_write(rt2x00dev, 73, 0x12);
 	}
 
 	if (rt2x00_rev(&rt2x00dev->chip) > RT2860D_VERSION)
-		rt2800pci_bbp_write(rt2x00dev, 84, 0x19);
+		rt2800_bbp_write(rt2x00dev, 84, 0x19);
 
 	if (rt2x00_rt(&rt2x00dev->chip, RT3052)) {
-		rt2800pci_bbp_write(rt2x00dev, 31, 0x08);
-		rt2800pci_bbp_write(rt2x00dev, 78, 0x0e);
-		rt2800pci_bbp_write(rt2x00dev, 80, 0x08);
+		rt2800_bbp_write(rt2x00dev, 31, 0x08);
+		rt2800_bbp_write(rt2x00dev, 78, 0x0e);
+		rt2800_bbp_write(rt2x00dev, 80, 0x08);
 	}
 
 	for (i = 0; i < EEPROM_BBP_SIZE; i++) {
@@ -1776,7 +1788,7 @@ static int rt2800pci_init_bbp(struct rt2x00_dev *rt2x00dev)
 		if (eeprom != 0xffff && eeprom != 0x0000) {
 			reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
 			value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
-			rt2800pci_bbp_write(rt2x00dev, reg_id, value);
+			rt2800_bbp_write(rt2x00dev, reg_id, value);
 		}
 	}
 
@@ -1795,9 +1807,9 @@ static u8 rt2800pci_init_rx_filter(struct rt2x00_dev *rt2x00dev,
 
 	rt2800pci_rfcsr_write(rt2x00dev, 24, rfcsr24);
 
-	rt2800pci_bbp_read(rt2x00dev, 4, &bbp);
+	rt2800_bbp_read(rt2x00dev, 4, &bbp);
 	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40);
-	rt2800pci_bbp_write(rt2x00dev, 4, bbp);
+	rt2800_bbp_write(rt2x00dev, 4, bbp);
 
 	rt2800pci_rfcsr_read(rt2x00dev, 22, &rfcsr);
 	rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1);
@@ -1806,13 +1818,13 @@ static u8 rt2800pci_init_rx_filter(struct rt2x00_dev *rt2x00dev,
 	/*
 	 * Set power & frequency of passband test tone
 	 */
-	rt2800pci_bbp_write(rt2x00dev, 24, 0);
+	rt2800_bbp_write(rt2x00dev, 24, 0);
 
 	for (i = 0; i < 100; i++) {
-		rt2800pci_bbp_write(rt2x00dev, 25, 0x90);
+		rt2800_bbp_write(rt2x00dev, 25, 0x90);
 		msleep(1);
 
-		rt2800pci_bbp_read(rt2x00dev, 55, &passband);
+		rt2800_bbp_read(rt2x00dev, 55, &passband);
 		if (passband)
 			break;
 	}
@@ -1820,13 +1832,13 @@ static u8 rt2800pci_init_rx_filter(struct rt2x00_dev *rt2x00dev,
 	/*
 	 * Set power & frequency of stopband test tone
 	 */
-	rt2800pci_bbp_write(rt2x00dev, 24, 0x06);
+	rt2800_bbp_write(rt2x00dev, 24, 0x06);
 
 	for (i = 0; i < 100; i++) {
-		rt2800pci_bbp_write(rt2x00dev, 25, 0x90);
+		rt2800_bbp_write(rt2x00dev, 25, 0x90);
 		msleep(1);
 
-		rt2800pci_bbp_read(rt2x00dev, 55, &stopband);
+		rt2800_bbp_read(rt2x00dev, 55, &stopband);
 
 		if ((passband - stopband) <= filter_target) {
 			rfcsr24++;
@@ -1905,7 +1917,7 @@ static int rt2800pci_init_rfcsr(struct rt2x00_dev *rt2x00dev)
 	/*
 	 * Set back to initial state
 	 */
-	rt2800pci_bbp_write(rt2x00dev, 24, 0);
+	rt2800_bbp_write(rt2x00dev, 24, 0);
 
 	rt2800pci_rfcsr_read(rt2x00dev, 22, &rfcsr);
 	rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 0);
@@ -1914,9 +1926,9 @@ static int rt2800pci_init_rfcsr(struct rt2x00_dev *rt2x00dev)
 	/*
 	 * set BBP back to BW20
 	 */
-	rt2800pci_bbp_read(rt2x00dev, 4, &bbp);
+	rt2800_bbp_read(rt2x00dev, 4, &bbp);
 	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0);
-	rt2800pci_bbp_write(rt2x00dev, 4, bbp);
+	rt2800_bbp_write(rt2x00dev, 4, bbp);
 
 	return 0;
 }
-- 
GitLab


From e91fea9b38b2208113dd540f436ce2aba7ab29fd Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:34:04 +0100
Subject: [PATCH 0969/1815] rt2800usb: add rt2800_rfcsr_[read,write]() wrappers

Part of preparations for later code unification.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800usb.c | 96 ++++++++++++++-----------
 1 file changed, 54 insertions(+), 42 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index d26e1ea4105..8cfb5573b88 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -189,6 +189,18 @@ static void rt2800usb_rfcsr_read(struct rt2x00_dev *rt2x00dev,
 	mutex_unlock(&rt2x00dev->csr_mutex);
 }
 
+static inline void rt2800_rfcsr_write(struct rt2x00_dev *rt2x00dev,
+				      const unsigned int word, const u8 value)
+{
+	rt2800usb_rfcsr_write(rt2x00dev, word, value);
+}
+
+static inline void rt2800_rfcsr_read(struct rt2x00_dev *rt2x00dev,
+				     const unsigned int word, u8 *value)
+{
+	rt2800usb_rfcsr_read(rt2x00dev, word, value);
+}
+
 static void rt2800usb_rf_write(struct rt2x00_dev *rt2x00dev,
 			       const unsigned int word, const u32 value)
 {
@@ -762,28 +774,28 @@ static void rt2800usb_config_channel_rt3x(struct rt2x00_dev *rt2x00dev,
 {
 	u8 rfcsr;
 
-	rt2800usb_rfcsr_write(rt2x00dev, 2, rf->rf1);
-	rt2800usb_rfcsr_write(rt2x00dev, 2, rf->rf3);
+	rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
+	rt2800_rfcsr_write(rt2x00dev, 2, rf->rf3);
 
-	rt2800usb_rfcsr_read(rt2x00dev, 6, &rfcsr);
+	rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
 	rt2x00_set_field8(&rfcsr, RFCSR6_R, rf->rf2);
-	rt2800usb_rfcsr_write(rt2x00dev, 6, rfcsr);
+	rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
 
-	rt2800usb_rfcsr_read(rt2x00dev, 12, &rfcsr);
+	rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr);
 	rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
 			  TXPOWER_G_TO_DEV(info->tx_power1));
-	rt2800usb_rfcsr_write(rt2x00dev, 12, rfcsr);
+	rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
 
-	rt2800usb_rfcsr_read(rt2x00dev, 23, &rfcsr);
+	rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
 	rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
-	rt2800usb_rfcsr_write(rt2x00dev, 23, rfcsr);
+	rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
 
-	rt2800usb_rfcsr_write(rt2x00dev, 24,
+	rt2800_rfcsr_write(rt2x00dev, 24,
 			      rt2x00dev->calibration[conf_is_ht40(conf)]);
 
-	rt2800usb_rfcsr_read(rt2x00dev, 23, &rfcsr);
+	rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
 	rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
-	rt2800usb_rfcsr_write(rt2x00dev, 23, rfcsr);
+	rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
 }
 
 static void rt2800usb_config_channel(struct rt2x00_dev *rt2x00dev,
@@ -1656,15 +1668,15 @@ static u8 rt2800usb_init_rx_filter(struct rt2x00_dev *rt2x00dev,
 	u8 stopband;
 	u8 overtuned = 0;
 
-	rt2800usb_rfcsr_write(rt2x00dev, 24, rfcsr24);
+	rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
 
 	rt2800_bbp_read(rt2x00dev, 4, &bbp);
 	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40);
 	rt2800_bbp_write(rt2x00dev, 4, bbp);
 
-	rt2800usb_rfcsr_read(rt2x00dev, 22, &rfcsr);
+	rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
 	rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1);
-	rt2800usb_rfcsr_write(rt2x00dev, 22, rfcsr);
+	rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
 
 	/*
 	 * Set power & frequency of passband test tone
@@ -1697,12 +1709,12 @@ static u8 rt2800usb_init_rx_filter(struct rt2x00_dev *rt2x00dev,
 		} else
 			break;
 
-		rt2800usb_rfcsr_write(rt2x00dev, 24, rfcsr24);
+		rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
 	}
 
 	rfcsr24 -= !!overtuned;
 
-	rt2800usb_rfcsr_write(rt2x00dev, 24, rfcsr24);
+	rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
 	return rfcsr24;
 }
 
@@ -1717,33 +1729,33 @@ static int rt2800usb_init_rfcsr(struct rt2x00_dev *rt2x00dev)
 	/*
 	 * Init RF calibration.
 	 */
-	rt2800usb_rfcsr_read(rt2x00dev, 30, &rfcsr);
+	rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
 	rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
-	rt2800usb_rfcsr_write(rt2x00dev, 30, rfcsr);
+	rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
 	msleep(1);
 	rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
-	rt2800usb_rfcsr_write(rt2x00dev, 30, rfcsr);
-
-	rt2800usb_rfcsr_write(rt2x00dev, 4, 0x40);
-	rt2800usb_rfcsr_write(rt2x00dev, 5, 0x03);
-	rt2800usb_rfcsr_write(rt2x00dev, 6, 0x02);
-	rt2800usb_rfcsr_write(rt2x00dev, 7, 0x70);
-	rt2800usb_rfcsr_write(rt2x00dev, 9, 0x0f);
-	rt2800usb_rfcsr_write(rt2x00dev, 10, 0x71);
-	rt2800usb_rfcsr_write(rt2x00dev, 11, 0x21);
-	rt2800usb_rfcsr_write(rt2x00dev, 12, 0x7b);
-	rt2800usb_rfcsr_write(rt2x00dev, 14, 0x90);
-	rt2800usb_rfcsr_write(rt2x00dev, 15, 0x58);
-	rt2800usb_rfcsr_write(rt2x00dev, 16, 0xb3);
-	rt2800usb_rfcsr_write(rt2x00dev, 17, 0x92);
-	rt2800usb_rfcsr_write(rt2x00dev, 18, 0x2c);
-	rt2800usb_rfcsr_write(rt2x00dev, 19, 0x02);
-	rt2800usb_rfcsr_write(rt2x00dev, 20, 0xba);
-	rt2800usb_rfcsr_write(rt2x00dev, 21, 0xdb);
-	rt2800usb_rfcsr_write(rt2x00dev, 24, 0x16);
-	rt2800usb_rfcsr_write(rt2x00dev, 25, 0x01);
-	rt2800usb_rfcsr_write(rt2x00dev, 27, 0x03);
-	rt2800usb_rfcsr_write(rt2x00dev, 29, 0x1f);
+	rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
+
+	rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
+	rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
+	rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
+	rt2800_rfcsr_write(rt2x00dev, 7, 0x70);
+	rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
+	rt2800_rfcsr_write(rt2x00dev, 10, 0x71);
+	rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
+	rt2800_rfcsr_write(rt2x00dev, 12, 0x7b);
+	rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
+	rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
+	rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
+	rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
+	rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
+	rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
+	rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
+	rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
+	rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
+	rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
+	rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
+	rt2800_rfcsr_write(rt2x00dev, 29, 0x1f);
 
 	/*
 	 * Set RX Filter calibration for 20MHz and 40MHz
@@ -1758,9 +1770,9 @@ static int rt2800usb_init_rfcsr(struct rt2x00_dev *rt2x00dev)
 	 */
 	rt2800_bbp_write(rt2x00dev, 24, 0);
 
-	rt2800usb_rfcsr_read(rt2x00dev, 22, &rfcsr);
+	rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
 	rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 0);
-	rt2800usb_rfcsr_write(rt2x00dev, 22, rfcsr);
+	rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
 
 	/*
 	 * set BBP back to BW20
-- 
GitLab


From 1af68f75a808d02997ad0c6dde9e37f43b7dfcb4 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:34:11 +0100
Subject: [PATCH 0970/1815] rt2800pci: add rt2800_rfcsr_[read,write]() wrappers

Part of preparations for later code unification.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800pci.c | 116 +++++++++++++-----------
 1 file changed, 64 insertions(+), 52 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 12344fd02b3..37a55527a48 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -202,6 +202,18 @@ static void rt2800pci_rfcsr_read(struct rt2x00_dev *rt2x00dev,
 	mutex_unlock(&rt2x00dev->csr_mutex);
 }
 
+static inline void rt2800_rfcsr_write(struct rt2x00_dev *rt2x00dev,
+				      const unsigned int word, const u8 value)
+{
+	rt2800pci_rfcsr_write(rt2x00dev, word, value);
+}
+
+static inline void rt2800_rfcsr_read(struct rt2x00_dev *rt2x00dev,
+				     const unsigned int word, u8 *value)
+{
+	rt2800pci_rfcsr_read(rt2x00dev, word, value);
+}
+
 static void rt2800pci_rf_write(struct rt2x00_dev *rt2x00dev,
 			       const unsigned int word, const u32 value)
 {
@@ -915,28 +927,28 @@ static void rt2800pci_config_channel_rt3x(struct rt2x00_dev *rt2x00dev,
 {
 	u8 rfcsr;
 
-	rt2800pci_rfcsr_write(rt2x00dev, 2, rf->rf1);
-	rt2800pci_rfcsr_write(rt2x00dev, 2, rf->rf3);
+	rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
+	rt2800_rfcsr_write(rt2x00dev, 2, rf->rf3);
 
-	rt2800pci_rfcsr_read(rt2x00dev, 6, &rfcsr);
+	rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
 	rt2x00_set_field8(&rfcsr, RFCSR6_R, rf->rf2);
-	rt2800pci_rfcsr_write(rt2x00dev, 6, rfcsr);
+	rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
 
-	rt2800pci_rfcsr_read(rt2x00dev, 12, &rfcsr);
+	rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr);
 	rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
 			  TXPOWER_G_TO_DEV(info->tx_power1));
-	rt2800pci_rfcsr_write(rt2x00dev, 12, rfcsr);
+	rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
 
-	rt2800pci_rfcsr_read(rt2x00dev, 23, &rfcsr);
+	rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
 	rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
-	rt2800pci_rfcsr_write(rt2x00dev, 23, rfcsr);
+	rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
 
-	rt2800pci_rfcsr_write(rt2x00dev, 24,
+	rt2800_rfcsr_write(rt2x00dev, 24,
 			      rt2x00dev->calibration[conf_is_ht40(conf)]);
 
-	rt2800pci_rfcsr_read(rt2x00dev, 23, &rfcsr);
+	rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
 	rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
-	rt2800pci_rfcsr_write(rt2x00dev, 23, rfcsr);
+	rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
 }
 
 static void rt2800pci_config_channel(struct rt2x00_dev *rt2x00dev,
@@ -1805,15 +1817,15 @@ static u8 rt2800pci_init_rx_filter(struct rt2x00_dev *rt2x00dev,
 	u8 stopband;
 	u8 overtuned = 0;
 
-	rt2800pci_rfcsr_write(rt2x00dev, 24, rfcsr24);
+	rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
 
 	rt2800_bbp_read(rt2x00dev, 4, &bbp);
 	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40);
 	rt2800_bbp_write(rt2x00dev, 4, bbp);
 
-	rt2800pci_rfcsr_read(rt2x00dev, 22, &rfcsr);
+	rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
 	rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1);
-	rt2800pci_rfcsr_write(rt2x00dev, 22, rfcsr);
+	rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
 
 	/*
 	 * Set power & frequency of passband test tone
@@ -1846,12 +1858,12 @@ static u8 rt2800pci_init_rx_filter(struct rt2x00_dev *rt2x00dev,
 		} else
 			break;
 
-		rt2800pci_rfcsr_write(rt2x00dev, 24, rfcsr24);
+		rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
 	}
 
 	rfcsr24 -= !!overtuned;
 
-	rt2800pci_rfcsr_write(rt2x00dev, 24, rfcsr24);
+	rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
 	return rfcsr24;
 }
 
@@ -1868,43 +1880,43 @@ static int rt2800pci_init_rfcsr(struct rt2x00_dev *rt2x00dev)
 	/*
 	 * Init RF calibration.
 	 */
-	rt2800pci_rfcsr_read(rt2x00dev, 30, &rfcsr);
+	rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
 	rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
-	rt2800pci_rfcsr_write(rt2x00dev, 30, rfcsr);
+	rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
 	msleep(1);
 	rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
-	rt2800pci_rfcsr_write(rt2x00dev, 30, rfcsr);
-
-	rt2800pci_rfcsr_write(rt2x00dev, 0, 0x50);
-	rt2800pci_rfcsr_write(rt2x00dev, 1, 0x01);
-	rt2800pci_rfcsr_write(rt2x00dev, 2, 0xf7);
-	rt2800pci_rfcsr_write(rt2x00dev, 3, 0x75);
-	rt2800pci_rfcsr_write(rt2x00dev, 4, 0x40);
-	rt2800pci_rfcsr_write(rt2x00dev, 5, 0x03);
-	rt2800pci_rfcsr_write(rt2x00dev, 6, 0x02);
-	rt2800pci_rfcsr_write(rt2x00dev, 7, 0x50);
-	rt2800pci_rfcsr_write(rt2x00dev, 8, 0x39);
-	rt2800pci_rfcsr_write(rt2x00dev, 9, 0x0f);
-	rt2800pci_rfcsr_write(rt2x00dev, 10, 0x60);
-	rt2800pci_rfcsr_write(rt2x00dev, 11, 0x21);
-	rt2800pci_rfcsr_write(rt2x00dev, 12, 0x75);
-	rt2800pci_rfcsr_write(rt2x00dev, 13, 0x75);
-	rt2800pci_rfcsr_write(rt2x00dev, 14, 0x90);
-	rt2800pci_rfcsr_write(rt2x00dev, 15, 0x58);
-	rt2800pci_rfcsr_write(rt2x00dev, 16, 0xb3);
-	rt2800pci_rfcsr_write(rt2x00dev, 17, 0x92);
-	rt2800pci_rfcsr_write(rt2x00dev, 18, 0x2c);
-	rt2800pci_rfcsr_write(rt2x00dev, 19, 0x02);
-	rt2800pci_rfcsr_write(rt2x00dev, 20, 0xba);
-	rt2800pci_rfcsr_write(rt2x00dev, 21, 0xdb);
-	rt2800pci_rfcsr_write(rt2x00dev, 22, 0x00);
-	rt2800pci_rfcsr_write(rt2x00dev, 23, 0x31);
-	rt2800pci_rfcsr_write(rt2x00dev, 24, 0x08);
-	rt2800pci_rfcsr_write(rt2x00dev, 25, 0x01);
-	rt2800pci_rfcsr_write(rt2x00dev, 26, 0x25);
-	rt2800pci_rfcsr_write(rt2x00dev, 27, 0x23);
-	rt2800pci_rfcsr_write(rt2x00dev, 28, 0x13);
-	rt2800pci_rfcsr_write(rt2x00dev, 29, 0x83);
+	rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
+
+	rt2800_rfcsr_write(rt2x00dev, 0, 0x50);
+	rt2800_rfcsr_write(rt2x00dev, 1, 0x01);
+	rt2800_rfcsr_write(rt2x00dev, 2, 0xf7);
+	rt2800_rfcsr_write(rt2x00dev, 3, 0x75);
+	rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
+	rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
+	rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
+	rt2800_rfcsr_write(rt2x00dev, 7, 0x50);
+	rt2800_rfcsr_write(rt2x00dev, 8, 0x39);
+	rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
+	rt2800_rfcsr_write(rt2x00dev, 10, 0x60);
+	rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
+	rt2800_rfcsr_write(rt2x00dev, 12, 0x75);
+	rt2800_rfcsr_write(rt2x00dev, 13, 0x75);
+	rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
+	rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
+	rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
+	rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
+	rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
+	rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
+	rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
+	rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
+	rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
+	rt2800_rfcsr_write(rt2x00dev, 23, 0x31);
+	rt2800_rfcsr_write(rt2x00dev, 24, 0x08);
+	rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
+	rt2800_rfcsr_write(rt2x00dev, 26, 0x25);
+	rt2800_rfcsr_write(rt2x00dev, 27, 0x23);
+	rt2800_rfcsr_write(rt2x00dev, 28, 0x13);
+	rt2800_rfcsr_write(rt2x00dev, 29, 0x83);
 
 	/*
 	 * Set RX Filter calibration for 20MHz and 40MHz
@@ -1919,9 +1931,9 @@ static int rt2800pci_init_rfcsr(struct rt2x00_dev *rt2x00dev)
 	 */
 	rt2800_bbp_write(rt2x00dev, 24, 0);
 
-	rt2800pci_rfcsr_read(rt2x00dev, 22, &rfcsr);
+	rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
 	rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 0);
-	rt2800pci_rfcsr_write(rt2x00dev, 22, rfcsr);
+	rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
 
 	/*
 	 * set BBP back to BW20
-- 
GitLab


From 5c70e5bb36584a1c1d5be85e40aabac3a8f68d83 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:34:18 +0100
Subject: [PATCH 0971/1815] rt2800usb: add rt2800_rf_[read,write]() wrappers

Part of preparations for later code unification.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800usb.c | 32 +++++++++++++++----------
 1 file changed, 19 insertions(+), 13 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 8cfb5573b88..15aed2916e0 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -226,6 +226,12 @@ static void rt2800usb_rf_write(struct rt2x00_dev *rt2x00dev,
 	mutex_unlock(&rt2x00dev->csr_mutex);
 }
 
+static inline void rt2800_rf_write(struct rt2x00_dev *rt2x00dev,
+				   const unsigned int word, const u32 value)
+{
+	rt2800usb_rf_write(rt2x00dev, word, value);
+}
+
 static void rt2800usb_mcu_request(struct rt2x00_dev *rt2x00dev,
 				  const u8 command, const u8 token,
 				  const u8 arg0, const u8 arg1)
@@ -280,7 +286,7 @@ static const struct rt2x00debug rt2800usb_rt2x00debug = {
 	},
 	.rf	= {
 		.read		= rt2x00_rf_read,
-		.write		= rt2800usb_rf_write,
+		.write		= rt2800_rf_write,
 		.word_base	= RF_BASE,
 		.word_size	= sizeof(u32),
 		.word_count	= RF_SIZE / sizeof(u32),
@@ -747,24 +753,24 @@ static void rt2800usb_config_channel_rt2x(struct rt2x00_dev *rt2x00dev,
 
 	rt2x00_set_field32(&rf->rf4, RF4_HT40, conf_is_ht40(conf));
 
-	rt2800usb_rf_write(rt2x00dev, 1, rf->rf1);
-	rt2800usb_rf_write(rt2x00dev, 2, rf->rf2);
-	rt2800usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
-	rt2800usb_rf_write(rt2x00dev, 4, rf->rf4);
+	rt2800_rf_write(rt2x00dev, 1, rf->rf1);
+	rt2800_rf_write(rt2x00dev, 2, rf->rf2);
+	rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
+	rt2800_rf_write(rt2x00dev, 4, rf->rf4);
 
 	udelay(200);
 
-	rt2800usb_rf_write(rt2x00dev, 1, rf->rf1);
-	rt2800usb_rf_write(rt2x00dev, 2, rf->rf2);
-	rt2800usb_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
-	rt2800usb_rf_write(rt2x00dev, 4, rf->rf4);
+	rt2800_rf_write(rt2x00dev, 1, rf->rf1);
+	rt2800_rf_write(rt2x00dev, 2, rf->rf2);
+	rt2800_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
+	rt2800_rf_write(rt2x00dev, 4, rf->rf4);
 
 	udelay(200);
 
-	rt2800usb_rf_write(rt2x00dev, 1, rf->rf1);
-	rt2800usb_rf_write(rt2x00dev, 2, rf->rf2);
-	rt2800usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
-	rt2800usb_rf_write(rt2x00dev, 4, rf->rf4);
+	rt2800_rf_write(rt2x00dev, 1, rf->rf1);
+	rt2800_rf_write(rt2x00dev, 2, rf->rf2);
+	rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
+	rt2800_rf_write(rt2x00dev, 4, rf->rf4);
 }
 
 static void rt2800usb_config_channel_rt3x(struct rt2x00_dev *rt2x00dev,
-- 
GitLab


From ada0394cede08702b604a4c8ee13409a4109e773 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:34:25 +0100
Subject: [PATCH 0972/1815] rt2800pci: add rt2800_rf_[read,write]() wrappers

Part of preparations for later code unification.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800pci.c | 32 +++++++++++++++----------
 1 file changed, 19 insertions(+), 13 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 37a55527a48..83fe1babd5b 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -239,6 +239,12 @@ static void rt2800pci_rf_write(struct rt2x00_dev *rt2x00dev,
 	mutex_unlock(&rt2x00dev->csr_mutex);
 }
 
+static inline void rt2800_rf_write(struct rt2x00_dev *rt2x00dev,
+				   const unsigned int word, const u32 value)
+{
+	rt2800pci_rf_write(rt2x00dev, word, value);
+}
+
 static void rt2800pci_mcu_request(struct rt2x00_dev *rt2x00dev,
 				  const u8 command, const u8 token,
 				  const u8 arg0, const u8 arg1)
@@ -431,7 +437,7 @@ static const struct rt2x00debug rt2800pci_rt2x00debug = {
 	},
 	.rf	= {
 		.read		= rt2x00_rf_read,
-		.write		= rt2800pci_rf_write,
+		.write		= rt2800_rf_write,
 		.word_base	= RF_BASE,
 		.word_size	= sizeof(u32),
 		.word_count	= RF_SIZE / sizeof(u32),
@@ -900,24 +906,24 @@ static void rt2800pci_config_channel_rt2x(struct rt2x00_dev *rt2x00dev,
 
 	rt2x00_set_field32(&rf->rf4, RF4_HT40, conf_is_ht40(conf));
 
-	rt2800pci_rf_write(rt2x00dev, 1, rf->rf1);
-	rt2800pci_rf_write(rt2x00dev, 2, rf->rf2);
-	rt2800pci_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
-	rt2800pci_rf_write(rt2x00dev, 4, rf->rf4);
+	rt2800_rf_write(rt2x00dev, 1, rf->rf1);
+	rt2800_rf_write(rt2x00dev, 2, rf->rf2);
+	rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
+	rt2800_rf_write(rt2x00dev, 4, rf->rf4);
 
 	udelay(200);
 
-	rt2800pci_rf_write(rt2x00dev, 1, rf->rf1);
-	rt2800pci_rf_write(rt2x00dev, 2, rf->rf2);
-	rt2800pci_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
-	rt2800pci_rf_write(rt2x00dev, 4, rf->rf4);
+	rt2800_rf_write(rt2x00dev, 1, rf->rf1);
+	rt2800_rf_write(rt2x00dev, 2, rf->rf2);
+	rt2800_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
+	rt2800_rf_write(rt2x00dev, 4, rf->rf4);
 
 	udelay(200);
 
-	rt2800pci_rf_write(rt2x00dev, 1, rf->rf1);
-	rt2800pci_rf_write(rt2x00dev, 2, rf->rf2);
-	rt2800pci_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
-	rt2800pci_rf_write(rt2x00dev, 4, rf->rf4);
+	rt2800_rf_write(rt2x00dev, 1, rf->rf1);
+	rt2800_rf_write(rt2x00dev, 2, rf->rf2);
+	rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
+	rt2800_rf_write(rt2x00dev, 4, rf->rf4);
 }
 
 static void rt2800pci_config_channel_rt3x(struct rt2x00_dev *rt2x00dev,
-- 
GitLab


From 4f2c53268ad1bdc7d6d12ca8bd110bb288a14300 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:34:32 +0100
Subject: [PATCH 0973/1815] rt2800usb: add rt2800_mcu_request() wrapper

Part of preparations for later code unification.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800usb.c | 27 ++++++++++++++++---------
 1 file changed, 17 insertions(+), 10 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 15aed2916e0..3783fdc4251 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -259,6 +259,13 @@ static void rt2800usb_mcu_request(struct rt2x00_dev *rt2x00dev,
 	mutex_unlock(&rt2x00dev->csr_mutex);
 }
 
+static inline void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
+				      const u8 command, const u8 token,
+				      const u8 arg0, const u8 arg1)
+{
+	rt2800usb_mcu_request(rt2x00dev, command, token, arg0, arg1);
+}
+
 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
 static const struct rt2x00debug rt2800usb_rt2x00debug = {
 	.owner	= THIS_MODULE,
@@ -319,10 +326,10 @@ static void rt2800usb_brightness_set(struct led_classdev *led_cdev,
 				   EEPROM_FREQ_LED_MODE);
 
 	if (led->type == LED_TYPE_RADIO) {
-		rt2800usb_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
+		rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
 				      enabled ? 0x20 : 0);
 	} else if (led->type == LED_TYPE_ASSOC) {
-		rt2800usb_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
+		rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
 				      enabled ? (bg_mode ? 0x60 : 0xa0) : 0x20);
 	} else if (led->type == LED_TYPE_QUALITY) {
 		/*
@@ -333,7 +340,7 @@ static void rt2800usb_brightness_set(struct led_classdev *led_cdev,
 		 * work with bitshifting:
 		 *	(1 << level) - 1
 		 */
-		rt2800usb_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff,
+		rt2800_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff,
 				      (1 << brightness / (LED_FULL / 6)) - 1,
 				      polarity);
 	}
@@ -1233,13 +1240,13 @@ static int rt2800usb_load_firmware(struct rt2x00_dev *rt2x00dev,
 	/*
 	 * Send signal to firmware during boot time.
 	 */
-	rt2800usb_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0xff, 0, 0);
+	rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0xff, 0, 0);
 
 	if ((chipset == 0x3070) ||
 	    (chipset == 0x3071) ||
 	    (chipset == 0x3572)) {
 		udelay(200);
-		rt2800usb_mcu_request(rt2x00dev, MCU_CURRENT, 0, 0, 0);
+		rt2800_mcu_request(rt2x00dev, MCU_CURRENT, 0, 0, 0);
 		udelay(10);
 	}
 
@@ -1875,15 +1882,15 @@ static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
 	 * Initialize LED control
 	 */
 	rt2x00_eeprom_read(rt2x00dev, EEPROM_LED1, &word);
-	rt2800usb_mcu_request(rt2x00dev, MCU_LED_1, 0xff,
+	rt2800_mcu_request(rt2x00dev, MCU_LED_1, 0xff,
 			      word & 0xff, (word >> 8) & 0xff);
 
 	rt2x00_eeprom_read(rt2x00dev, EEPROM_LED2, &word);
-	rt2800usb_mcu_request(rt2x00dev, MCU_LED_2, 0xff,
+	rt2800_mcu_request(rt2x00dev, MCU_LED_2, 0xff,
 			      word & 0xff, (word >> 8) & 0xff);
 
 	rt2x00_eeprom_read(rt2x00dev, EEPROM_LED3, &word);
-	rt2800usb_mcu_request(rt2x00dev, MCU_LED_3, 0xff,
+	rt2800_mcu_request(rt2x00dev, MCU_LED_3, 0xff,
 			      word & 0xff, (word >> 8) & 0xff);
 
 	return 0;
@@ -1912,9 +1919,9 @@ static int rt2800usb_set_state(struct rt2x00_dev *rt2x00dev,
 			       enum dev_state state)
 {
 	if (state == STATE_AWAKE)
-		rt2800usb_mcu_request(rt2x00dev, MCU_WAKEUP, 0xff, 0, 0);
+		rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, 0xff, 0, 0);
 	else
-		rt2800usb_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0, 2);
+		rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0, 2);
 
 	return 0;
 }
-- 
GitLab


From 3a9e5b0fff63bb87dd6e0f9c60626e16d81192af Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:34:39 +0100
Subject: [PATCH 0974/1815] rt2800pci: add rt2800_mcu_request() wrapper

Part of preparations for later code unification.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800pci.c | 25 ++++++++++++++++---------
 1 file changed, 16 insertions(+), 9 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 83fe1babd5b..8f8f8d85f2c 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -279,6 +279,13 @@ static void rt2800pci_mcu_request(struct rt2x00_dev *rt2x00dev,
 	mutex_unlock(&rt2x00dev->csr_mutex);
 }
 
+static inline void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
+				      const u8 command, const u8 token,
+				      const u8 arg0, const u8 arg1)
+{
+	rt2800pci_mcu_request(rt2x00dev, command, token, arg0, arg1);
+}
+
 static void rt2800pci_mcu_status(struct rt2x00_dev *rt2x00dev, const u8 token)
 {
 	unsigned int i;
@@ -470,10 +477,10 @@ static void rt2800pci_brightness_set(struct led_classdev *led_cdev,
 				   EEPROM_FREQ_LED_MODE);
 
 	if (led->type == LED_TYPE_RADIO) {
-		rt2800pci_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
+		rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
 				      enabled ? 0x20 : 0);
 	} else if (led->type == LED_TYPE_ASSOC) {
-		rt2800pci_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
+		rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
 				      enabled ? (bg_mode ? 0x60 : 0xa0) : 0x20);
 	} else if (led->type == LED_TYPE_QUALITY) {
 		/*
@@ -484,7 +491,7 @@ static void rt2800pci_brightness_set(struct led_classdev *led_cdev,
 		 * work with bitshifting:
 		 *	(1 << level) - 1
 		 */
-		rt2800pci_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff,
+		rt2800_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff,
 				      (1 << brightness / (LED_FULL / 6)) - 1,
 				      polarity);
 	}
@@ -2040,7 +2047,7 @@ static int rt2800pci_enable_radio(struct rt2x00_dev *rt2x00dev)
 	/*
 	 * Send signal to firmware during boot time.
 	 */
-	rt2800pci_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0xff, 0, 0);
+	rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0xff, 0, 0);
 
 	/*
 	 * Enable RX.
@@ -2066,15 +2073,15 @@ static int rt2800pci_enable_radio(struct rt2x00_dev *rt2x00dev)
 	 * Initialize LED control
 	 */
 	rt2x00_eeprom_read(rt2x00dev, EEPROM_LED1, &word);
-	rt2800pci_mcu_request(rt2x00dev, MCU_LED_1, 0xff,
+	rt2800_mcu_request(rt2x00dev, MCU_LED_1, 0xff,
 			      word & 0xff, (word >> 8) & 0xff);
 
 	rt2x00_eeprom_read(rt2x00dev, EEPROM_LED2, &word);
-	rt2800pci_mcu_request(rt2x00dev, MCU_LED_2, 0xff,
+	rt2800_mcu_request(rt2x00dev, MCU_LED_2, 0xff,
 			      word & 0xff, (word >> 8) & 0xff);
 
 	rt2x00_eeprom_read(rt2x00dev, EEPROM_LED3, &word);
-	rt2800pci_mcu_request(rt2x00dev, MCU_LED_3, 0xff,
+	rt2800_mcu_request(rt2x00dev, MCU_LED_3, 0xff,
 			      word & 0xff, (word >> 8) & 0xff);
 
 	return 0;
@@ -2123,10 +2130,10 @@ static int rt2800pci_set_state(struct rt2x00_dev *rt2x00dev,
 	 * if the device is booting and wasn't asleep it will return
 	 * failure when attempting to wakeup.
 	 */
-	rt2800pci_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0, 2);
+	rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0, 2);
 
 	if (state == STATE_AWAKE) {
-		rt2800pci_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKUP, 0, 0);
+		rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKUP, 0, 0);
 		rt2800pci_mcu_status(rt2x00dev, TOKEN_WAKUP);
 	}
 
-- 
GitLab


From ee134fcc552e17e708346a183076db21b8c49188 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:34:46 +0100
Subject: [PATCH 0975/1815] rt2x00: add driver private field to struct
 rt2x00_dev

Enhance rt2x00 infrastructure by adding driver specific field to
struct rt2x00_dev.

The new field will be used by rt2800 drivers for chipset registers
access abstraction layer.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2x00.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index 196de8ab815..c14b0f505b7 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -842,6 +842,11 @@ struct rt2x00_dev {
 	 * Firmware image.
 	 */
 	const struct firmware *fw;
+
+	/*
+	 * Driver specific data.
+	 */
+	void *priv;
 };
 
 /*
-- 
GitLab


From 7a345d3d2512769ca693d4844b215ae2cc267dce Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:34:53 +0100
Subject: [PATCH 0976/1815] rt2800usb: convert to use struct rt2800_ops methods

Add chipset registers access abstraction layer and prepare for later
code unification.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800usb.c | 13 ++++++++
 drivers/net/wireless/rt2x00/rt2800usb.h | 44 +++++++++++++++++++++----
 2 files changed, 51 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 3783fdc4251..a3ec97a4c74 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -2627,10 +2627,23 @@ static int rt2800usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 	return 0;
 }
 
+static const struct rt2800_ops rt2800usb_rt2800_ops = {
+	.register_read		= rt2x00usb_register_read,
+	.register_write		= rt2x00usb_register_write,
+	.register_write_lock	= rt2x00usb_register_write_lock,
+
+	.register_multiread	= rt2x00usb_register_multiread,
+	.register_multiwrite	= rt2x00usb_register_multiwrite,
+
+	.regbusy_read		= rt2x00usb_regbusy_read,
+};
+
 static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
 {
 	int retval;
 
+	rt2x00dev->priv = (void *)&rt2800usb_rt2800_ops;
+
 	/*
 	 * Allocate eeprom data.
 	 */
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.h b/drivers/net/wireless/rt2x00/rt2800usb.h
index 180dfce41b2..6524d72631c 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.h
+++ b/drivers/net/wireless/rt2x00/rt2800usb.h
@@ -27,39 +27,69 @@
 #ifndef RT2800USB_H
 #define RT2800USB_H
 
+struct rt2800_ops {
+	void (*register_read)(struct rt2x00_dev *rt2x00dev,
+			      const unsigned int offset, u32 *value);
+	void (*register_write)(struct rt2x00_dev *rt2x00dev,
+			       const unsigned int offset, u32 value);
+	void (*register_write_lock)(struct rt2x00_dev *rt2x00dev,
+				    const unsigned int offset, u32 value);
+
+	void (*register_multiread)(struct rt2x00_dev *rt2x00dev,
+				   const unsigned int offset,
+				   void *value, const u32 length);
+	void (*register_multiwrite)(struct rt2x00_dev *rt2x00dev,
+				    const unsigned int offset,
+				    void *value, const u32 length);
+
+	int (*regbusy_read)(struct rt2x00_dev *rt2x00dev,
+			    const unsigned int offset,
+			    struct rt2x00_field32 field, u32 *reg);
+};
+
 static inline void rt2800_register_read(struct rt2x00_dev *rt2x00dev,
 					const unsigned int offset,
 					u32 *value)
 {
-	rt2x00usb_register_read(rt2x00dev, offset, value);
+	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
+
+	rt2800ops->register_read(rt2x00dev, offset, value);
 }
 
 static inline void rt2800_register_write(struct rt2x00_dev *rt2x00dev,
 					 const unsigned int offset,
 					 u32 value)
 {
-	rt2x00usb_register_write(rt2x00dev, offset, value);
+	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
+
+	rt2800ops->register_write(rt2x00dev, offset, value);
 }
 
 static inline void rt2800_register_write_lock(struct rt2x00_dev *rt2x00dev,
 					      const unsigned int offset,
 					      u32 value)
 {
-	rt2x00usb_register_write_lock(rt2x00dev, offset, value);
+	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
+
+	rt2800ops->register_write_lock(rt2x00dev, offset, value);
 }
 
 static inline void rt2800_register_multiread(struct rt2x00_dev *rt2x00dev,
 					     const unsigned int offset,
 					     void *value, const u32 length)
 {
-	rt2x00usb_register_multiread(rt2x00dev, offset, value, length);
+	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
+
+	rt2800ops->register_multiread(rt2x00dev, offset, value, length);
 }
 
 static inline void rt2800_register_multiwrite(struct rt2x00_dev *rt2x00dev,
 					      const unsigned int offset,
 					      void *value, const u32 length)
 {
-	rt2x00usb_register_multiwrite(rt2x00dev, offset, value, length);
+	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
+
+	rt2800ops->register_multiwrite(rt2x00dev, offset, value, length);
 }
 
 static inline int rt2800_regbusy_read(struct rt2x00_dev *rt2x00dev,
@@ -67,7 +97,9 @@ static inline int rt2800_regbusy_read(struct rt2x00_dev *rt2x00dev,
 				      struct rt2x00_field32 field,
 				      u32 *reg)
 {
-	return rt2x00usb_regbusy_read(rt2x00dev, offset, field, reg);
+	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
+
+	return rt2800ops->regbusy_read(rt2x00dev, offset, field, reg);
 }
 
 /*
-- 
GitLab


From b0a1edabd31a18de3c6380022af0804592bded14 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:35:00 +0100
Subject: [PATCH 0977/1815] rt2800pci: convert to use struct rt2800_ops methods

Add chipset registers access abstraction layer and prepare for later
code unification.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800pci.c | 13 ++++++++
 drivers/net/wireless/rt2x00/rt2800pci.h | 44 +++++++++++++++++++++----
 2 files changed, 51 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 8f8f8d85f2c..fde722caab9 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -2988,10 +2988,23 @@ static int rt2800pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 	return 0;
 }
 
+static const struct rt2800_ops rt2800pci_rt2800_ops = {
+	.register_read		= rt2x00pci_register_read,
+	.register_write		= rt2x00pci_register_write,
+	.register_write_lock	= rt2x00pci_register_write, /* same for PCI */
+
+	.register_multiread	= rt2x00pci_register_multiread,
+	.register_multiwrite	= rt2x00pci_register_multiwrite,
+
+	.regbusy_read		= rt2x00pci_regbusy_read,
+};
+
 static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev)
 {
 	int retval;
 
+	rt2x00dev->priv = (void *)&rt2800pci_rt2800_ops;
+
 	/*
 	 * Allocate eeprom data.
 	 */
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.h b/drivers/net/wireless/rt2x00/rt2800pci.h
index 392f580cbb6..fecb71c05c1 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.h
+++ b/drivers/net/wireless/rt2x00/rt2800pci.h
@@ -27,32 +27,60 @@
 #ifndef RT2800PCI_H
 #define RT2800PCI_H
 
+struct rt2800_ops {
+	void (*register_read)(struct rt2x00_dev *rt2x00dev,
+			      const unsigned int offset, u32 *value);
+	void (*register_write)(struct rt2x00_dev *rt2x00dev,
+			       const unsigned int offset, u32 value);
+	void (*register_write_lock)(struct rt2x00_dev *rt2x00dev,
+				    const unsigned int offset, u32 value);
+
+	void (*register_multiread)(struct rt2x00_dev *rt2x00dev,
+				   const unsigned int offset,
+				   void *value, const u16 length);
+	void (*register_multiwrite)(struct rt2x00_dev *rt2x00dev,
+				    const unsigned int offset,
+				    const void *value, const u16 length);
+
+	int (*regbusy_read)(struct rt2x00_dev *rt2x00dev,
+			    const unsigned int offset,
+			    const struct rt2x00_field32 field, u32 *reg);
+};
+
 static inline void rt2800_register_read(struct rt2x00_dev *rt2x00dev,
 					const unsigned int offset,
 					u32 *value)
 {
-	rt2x00pci_register_read(rt2x00dev, offset, value);
+	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
+
+	rt2800ops->register_read(rt2x00dev, offset, value);
 }
 
 static inline void rt2800_register_write(struct rt2x00_dev *rt2x00dev,
 					 const unsigned int offset,
 					 u32 value)
 {
-	rt2x00pci_register_write(rt2x00dev, offset, value);
+	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
+
+	rt2800ops->register_write(rt2x00dev, offset, value);
 }
 
 static inline void rt2800_register_write_lock(struct rt2x00_dev *rt2x00dev,
 					      const unsigned int offset,
 					      u32 value)
 {
-	rt2x00pci_register_write(rt2x00dev, offset, value);
+	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
+
+	rt2800ops->register_write_lock(rt2x00dev, offset, value);
 }
 
 static inline void rt2800_register_multiread(struct rt2x00_dev *rt2x00dev,
 					     const unsigned int offset,
 					     void *value, const u16 length)
 {
-	rt2x00pci_register_multiread(rt2x00dev, offset, value, length);
+	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
+
+	rt2800ops->register_multiread(rt2x00dev, offset, value, length);
 }
 
 static inline void rt2800_register_multiwrite(struct rt2x00_dev *rt2x00dev,
@@ -60,7 +88,9 @@ static inline void rt2800_register_multiwrite(struct rt2x00_dev *rt2x00dev,
 					      const void *value,
 					      const u16 length)
 {
-	rt2x00pci_register_multiwrite(rt2x00dev, offset, value, length);
+	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
+
+	rt2800ops->register_multiwrite(rt2x00dev, offset, value, length);
 }
 
 static inline int rt2800_regbusy_read(struct rt2x00_dev *rt2x00dev,
@@ -68,7 +98,9 @@ static inline int rt2800_regbusy_read(struct rt2x00_dev *rt2x00dev,
 				      const struct rt2x00_field32 field,
 				      u32 *reg)
 {
-	return rt2x00pci_regbusy_read(rt2x00dev, offset, field, reg);
+	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
+
+	return rt2800ops->regbusy_read(rt2x00dev, offset, field, reg);
 }
 
 /*
-- 
GitLab


From 5b10b09898bf00350a68af4cdaf96c393b252591 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:35:10 +0100
Subject: [PATCH 0978/1815] rt2x00: fix rt2x00usb_register_multiwrite()
 arguments

Add const to 'value' argument of rt2x00usb_register_multiwrite()
(all arguments match rt2x00pci_register_multiwrite() ones now).

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800usb.h | 2 +-
 drivers/net/wireless/rt2x00/rt2x00usb.h | 7 ++++---
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800usb.h b/drivers/net/wireless/rt2x00/rt2800usb.h
index 6524d72631c..8c88690c153 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.h
+++ b/drivers/net/wireless/rt2x00/rt2800usb.h
@@ -40,7 +40,7 @@ struct rt2800_ops {
 				   void *value, const u32 length);
 	void (*register_multiwrite)(struct rt2x00_dev *rt2x00dev,
 				    const unsigned int offset,
-				    void *value, const u32 length);
+				    const void *value, const u32 length);
 
 	int (*regbusy_read)(struct rt2x00_dev *rt2x00dev,
 			    const unsigned int offset,
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.h b/drivers/net/wireless/rt2x00/rt2x00usb.h
index 9093516d9af..f6fb58f2ca7 100644
--- a/drivers/net/wireless/rt2x00/rt2x00usb.h
+++ b/drivers/net/wireless/rt2x00/rt2x00usb.h
@@ -340,12 +340,13 @@ static inline void rt2x00usb_register_write_lock(struct rt2x00_dev *rt2x00dev,
  * through rt2x00usb_vendor_request_buff().
  */
 static inline void rt2x00usb_register_multiwrite(struct rt2x00_dev *rt2x00dev,
-					       const unsigned int offset,
-					       void *value, const u32 length)
+						 const unsigned int offset,
+						 const void *value,
+						 const u32 length)
 {
 	rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
 				      USB_VENDOR_REQUEST_OUT, offset,
-				      value, length,
+				      (void *)value, length,
 				      REGISTER_TIMEOUT32(length));
 }
 
-- 
GitLab


From f255b92b570325dfbd4c4a791a0eda7999e67fe7 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:35:18 +0100
Subject: [PATCH 0979/1815] rt2x00: fix rt2x00usb_regbusy_read() arguments

Add const to 'field' argument of rt2x00usb_regbusy_read()
(all arguments match rt2x00pci_regbusy_read() ones now).

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800usb.h | 2 +-
 drivers/net/wireless/rt2x00/rt2x00usb.c | 2 +-
 drivers/net/wireless/rt2x00/rt2x00usb.h | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800usb.h b/drivers/net/wireless/rt2x00/rt2800usb.h
index 8c88690c153..0a525a722a7 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.h
+++ b/drivers/net/wireless/rt2x00/rt2800usb.h
@@ -44,7 +44,7 @@ struct rt2800_ops {
 
 	int (*regbusy_read)(struct rt2x00_dev *rt2x00dev,
 			    const unsigned int offset,
-			    struct rt2x00_field32 field, u32 *reg);
+			    const struct rt2x00_field32 field, u32 *reg);
 };
 
 static inline void rt2800_register_read(struct rt2x00_dev *rt2x00dev,
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c
index 501544882c2..b34d4b6badd 100644
--- a/drivers/net/wireless/rt2x00/rt2x00usb.c
+++ b/drivers/net/wireless/rt2x00/rt2x00usb.c
@@ -156,7 +156,7 @@ EXPORT_SYMBOL_GPL(rt2x00usb_vendor_request_large_buff);
 
 int rt2x00usb_regbusy_read(struct rt2x00_dev *rt2x00dev,
 			   const unsigned int offset,
-			   struct rt2x00_field32 field,
+			   const struct rt2x00_field32 field,
 			   u32 *reg)
 {
 	unsigned int i;
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.h b/drivers/net/wireless/rt2x00/rt2x00usb.h
index f6fb58f2ca7..212dec47119 100644
--- a/drivers/net/wireless/rt2x00/rt2x00usb.h
+++ b/drivers/net/wireless/rt2x00/rt2x00usb.h
@@ -365,7 +365,7 @@ static inline void rt2x00usb_register_multiwrite(struct rt2x00_dev *rt2x00dev,
  */
 int rt2x00usb_regbusy_read(struct rt2x00_dev *rt2x00dev,
 			   const unsigned int offset,
-			   struct rt2x00_field32 field,
+			   const struct rt2x00_field32 field,
 			   u32 *reg);
 
 /*
-- 
GitLab


From 473196bd9935f0efd4c5f1cda28229e7dcff564c Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:35:25 +0100
Subject: [PATCH 0980/1815] rt2x00: fix rt2x00pci_register_multi[read,write]()
 arguments

Change type of 'length' argument from u16 to u32 (all arguments
match rt2x00usb_register_multi[read,write]() ones now).

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800pci.h |  8 ++++----
 drivers/net/wireless/rt2x00/rt2x00pci.h | 15 +++++++--------
 2 files changed, 11 insertions(+), 12 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800pci.h b/drivers/net/wireless/rt2x00/rt2800pci.h
index fecb71c05c1..586eb81ad76 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.h
+++ b/drivers/net/wireless/rt2x00/rt2800pci.h
@@ -37,10 +37,10 @@ struct rt2800_ops {
 
 	void (*register_multiread)(struct rt2x00_dev *rt2x00dev,
 				   const unsigned int offset,
-				   void *value, const u16 length);
+				   void *value, const u32 length);
 	void (*register_multiwrite)(struct rt2x00_dev *rt2x00dev,
 				    const unsigned int offset,
-				    const void *value, const u16 length);
+				    const void *value, const u32 length);
 
 	int (*regbusy_read)(struct rt2x00_dev *rt2x00dev,
 			    const unsigned int offset,
@@ -76,7 +76,7 @@ static inline void rt2800_register_write_lock(struct rt2x00_dev *rt2x00dev,
 
 static inline void rt2800_register_multiread(struct rt2x00_dev *rt2x00dev,
 					     const unsigned int offset,
-					     void *value, const u16 length)
+					     void *value, const u32 length)
 {
 	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
 
@@ -86,7 +86,7 @@ static inline void rt2800_register_multiread(struct rt2x00_dev *rt2x00dev,
 static inline void rt2800_register_multiwrite(struct rt2x00_dev *rt2x00dev,
 					      const unsigned int offset,
 					      const void *value,
-					      const u16 length)
+					      const u32 length)
 {
 	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
 
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.h b/drivers/net/wireless/rt2x00/rt2x00pci.h
index 15a12487e04..f5af4b40308 100644
--- a/drivers/net/wireless/rt2x00/rt2x00pci.h
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.h
@@ -53,10 +53,9 @@ static inline void rt2x00pci_register_read(struct rt2x00_dev *rt2x00dev,
 	*value = readl(rt2x00dev->csr.base + offset);
 }
 
-static inline void
-rt2x00pci_register_multiread(struct rt2x00_dev *rt2x00dev,
-			     const unsigned int offset,
-			     void *value, const u16 length)
+static inline void rt2x00pci_register_multiread(struct rt2x00_dev *rt2x00dev,
+						const unsigned int offset,
+						void *value, const u32 length)
 {
 	memcpy_fromio(value, rt2x00dev->csr.base + offset, length);
 }
@@ -68,10 +67,10 @@ static inline void rt2x00pci_register_write(struct rt2x00_dev *rt2x00dev,
 	writel(value, rt2x00dev->csr.base + offset);
 }
 
-static inline void
-rt2x00pci_register_multiwrite(struct rt2x00_dev *rt2x00dev,
-			      const unsigned int offset,
-			      const void *value, const u16 length)
+static inline void rt2x00pci_register_multiwrite(struct rt2x00_dev *rt2x00dev,
+						 const unsigned int offset,
+						 const void *value,
+						 const u32 length)
 {
 	memcpy_toio(rt2x00dev->csr.base + offset, value, length);
 }
-- 
GitLab


From 7ef5cc92bac940419f022e11115a28daea53814f Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:35:32 +0100
Subject: [PATCH 0981/1815] rt2800: add rt2800lib.h

Code unification.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800lib.h | 99 +++++++++++++++++++++++++
 drivers/net/wireless/rt2x00/rt2800pci.c |  1 +
 drivers/net/wireless/rt2x00/rt2800pci.h | 76 -------------------
 drivers/net/wireless/rt2x00/rt2800usb.c |  1 +
 drivers/net/wireless/rt2x00/rt2800usb.h | 75 -------------------
 5 files changed, 101 insertions(+), 151 deletions(-)
 create mode 100644 drivers/net/wireless/rt2x00/rt2800lib.h

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.h b/drivers/net/wireless/rt2x00/rt2800lib.h
new file mode 100644
index 00000000000..17e91fb1a77
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2800lib.h
@@ -0,0 +1,99 @@
+/*
+	Copyright (C) 2009 Bartlomiej Zolnierkiewicz
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation; either version 2 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to the
+	Free Software Foundation, Inc.,
+	59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef RT2800LIB_H
+#define RT2800LIB_H
+
+struct rt2800_ops {
+	void (*register_read)(struct rt2x00_dev *rt2x00dev,
+			      const unsigned int offset, u32 *value);
+	void (*register_write)(struct rt2x00_dev *rt2x00dev,
+			       const unsigned int offset, u32 value);
+	void (*register_write_lock)(struct rt2x00_dev *rt2x00dev,
+				    const unsigned int offset, u32 value);
+
+	void (*register_multiread)(struct rt2x00_dev *rt2x00dev,
+				   const unsigned int offset,
+				   void *value, const u32 length);
+	void (*register_multiwrite)(struct rt2x00_dev *rt2x00dev,
+				    const unsigned int offset,
+				    const void *value, const u32 length);
+
+	int (*regbusy_read)(struct rt2x00_dev *rt2x00dev,
+			    const unsigned int offset,
+			    const struct rt2x00_field32 field, u32 *reg);
+};
+
+static inline void rt2800_register_read(struct rt2x00_dev *rt2x00dev,
+					const unsigned int offset,
+					u32 *value)
+{
+	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
+
+	rt2800ops->register_read(rt2x00dev, offset, value);
+}
+
+static inline void rt2800_register_write(struct rt2x00_dev *rt2x00dev,
+					 const unsigned int offset,
+					 u32 value)
+{
+	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
+
+	rt2800ops->register_write(rt2x00dev, offset, value);
+}
+
+static inline void rt2800_register_write_lock(struct rt2x00_dev *rt2x00dev,
+					      const unsigned int offset,
+					      u32 value)
+{
+	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
+
+	rt2800ops->register_write_lock(rt2x00dev, offset, value);
+}
+
+static inline void rt2800_register_multiread(struct rt2x00_dev *rt2x00dev,
+					     const unsigned int offset,
+					     void *value, const u32 length)
+{
+	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
+
+	rt2800ops->register_multiread(rt2x00dev, offset, value, length);
+}
+
+static inline void rt2800_register_multiwrite(struct rt2x00_dev *rt2x00dev,
+					      const unsigned int offset,
+					      const void *value,
+					      const u32 length)
+{
+	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
+
+	rt2800ops->register_multiwrite(rt2x00dev, offset, value, length);
+}
+
+static inline int rt2800_regbusy_read(struct rt2x00_dev *rt2x00dev,
+				      const unsigned int offset,
+				      const struct rt2x00_field32 field,
+				      u32 *reg)
+{
+	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
+
+	return rt2800ops->regbusy_read(rt2x00dev, offset, field, reg);
+}
+
+#endif /* RT2800LIB_H */
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index fde722caab9..9017ea64d01 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -37,6 +37,7 @@
 #include "rt2x00.h"
 #include "rt2x00pci.h"
 #include "rt2x00soc.h"
+#include "rt2800lib.h"
 #include "rt2800pci.h"
 
 #ifdef CONFIG_RT2800PCI_PCI_MODULE
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.h b/drivers/net/wireless/rt2x00/rt2800pci.h
index 586eb81ad76..85690881522 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.h
+++ b/drivers/net/wireless/rt2x00/rt2800pci.h
@@ -27,82 +27,6 @@
 #ifndef RT2800PCI_H
 #define RT2800PCI_H
 
-struct rt2800_ops {
-	void (*register_read)(struct rt2x00_dev *rt2x00dev,
-			      const unsigned int offset, u32 *value);
-	void (*register_write)(struct rt2x00_dev *rt2x00dev,
-			       const unsigned int offset, u32 value);
-	void (*register_write_lock)(struct rt2x00_dev *rt2x00dev,
-				    const unsigned int offset, u32 value);
-
-	void (*register_multiread)(struct rt2x00_dev *rt2x00dev,
-				   const unsigned int offset,
-				   void *value, const u32 length);
-	void (*register_multiwrite)(struct rt2x00_dev *rt2x00dev,
-				    const unsigned int offset,
-				    const void *value, const u32 length);
-
-	int (*regbusy_read)(struct rt2x00_dev *rt2x00dev,
-			    const unsigned int offset,
-			    const struct rt2x00_field32 field, u32 *reg);
-};
-
-static inline void rt2800_register_read(struct rt2x00_dev *rt2x00dev,
-					const unsigned int offset,
-					u32 *value)
-{
-	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
-
-	rt2800ops->register_read(rt2x00dev, offset, value);
-}
-
-static inline void rt2800_register_write(struct rt2x00_dev *rt2x00dev,
-					 const unsigned int offset,
-					 u32 value)
-{
-	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
-
-	rt2800ops->register_write(rt2x00dev, offset, value);
-}
-
-static inline void rt2800_register_write_lock(struct rt2x00_dev *rt2x00dev,
-					      const unsigned int offset,
-					      u32 value)
-{
-	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
-
-	rt2800ops->register_write_lock(rt2x00dev, offset, value);
-}
-
-static inline void rt2800_register_multiread(struct rt2x00_dev *rt2x00dev,
-					     const unsigned int offset,
-					     void *value, const u32 length)
-{
-	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
-
-	rt2800ops->register_multiread(rt2x00dev, offset, value, length);
-}
-
-static inline void rt2800_register_multiwrite(struct rt2x00_dev *rt2x00dev,
-					      const unsigned int offset,
-					      const void *value,
-					      const u32 length)
-{
-	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
-
-	rt2800ops->register_multiwrite(rt2x00dev, offset, value, length);
-}
-
-static inline int rt2800_regbusy_read(struct rt2x00_dev *rt2x00dev,
-				      const unsigned int offset,
-				      const struct rt2x00_field32 field,
-				      u32 *reg)
-{
-	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
-
-	return rt2800ops->regbusy_read(rt2x00dev, offset, field, reg);
-}
-
 /*
  * RF chip defines.
  *
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index a3ec97a4c74..a3e505034fc 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -34,6 +34,7 @@
 
 #include "rt2x00.h"
 #include "rt2x00usb.h"
+#include "rt2800lib.h"
 #include "rt2800usb.h"
 
 /*
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.h b/drivers/net/wireless/rt2x00/rt2800usb.h
index 0a525a722a7..7b1130a22c5 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.h
+++ b/drivers/net/wireless/rt2x00/rt2800usb.h
@@ -27,81 +27,6 @@
 #ifndef RT2800USB_H
 #define RT2800USB_H
 
-struct rt2800_ops {
-	void (*register_read)(struct rt2x00_dev *rt2x00dev,
-			      const unsigned int offset, u32 *value);
-	void (*register_write)(struct rt2x00_dev *rt2x00dev,
-			       const unsigned int offset, u32 value);
-	void (*register_write_lock)(struct rt2x00_dev *rt2x00dev,
-				    const unsigned int offset, u32 value);
-
-	void (*register_multiread)(struct rt2x00_dev *rt2x00dev,
-				   const unsigned int offset,
-				   void *value, const u32 length);
-	void (*register_multiwrite)(struct rt2x00_dev *rt2x00dev,
-				    const unsigned int offset,
-				    const void *value, const u32 length);
-
-	int (*regbusy_read)(struct rt2x00_dev *rt2x00dev,
-			    const unsigned int offset,
-			    const struct rt2x00_field32 field, u32 *reg);
-};
-
-static inline void rt2800_register_read(struct rt2x00_dev *rt2x00dev,
-					const unsigned int offset,
-					u32 *value)
-{
-	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
-
-	rt2800ops->register_read(rt2x00dev, offset, value);
-}
-
-static inline void rt2800_register_write(struct rt2x00_dev *rt2x00dev,
-					 const unsigned int offset,
-					 u32 value)
-{
-	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
-
-	rt2800ops->register_write(rt2x00dev, offset, value);
-}
-
-static inline void rt2800_register_write_lock(struct rt2x00_dev *rt2x00dev,
-					      const unsigned int offset,
-					      u32 value)
-{
-	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
-
-	rt2800ops->register_write_lock(rt2x00dev, offset, value);
-}
-
-static inline void rt2800_register_multiread(struct rt2x00_dev *rt2x00dev,
-					     const unsigned int offset,
-					     void *value, const u32 length)
-{
-	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
-
-	rt2800ops->register_multiread(rt2x00dev, offset, value, length);
-}
-
-static inline void rt2800_register_multiwrite(struct rt2x00_dev *rt2x00dev,
-					      const unsigned int offset,
-					      void *value, const u32 length)
-{
-	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
-
-	rt2800ops->register_multiwrite(rt2x00dev, offset, value, length);
-}
-
-static inline int rt2800_regbusy_read(struct rt2x00_dev *rt2x00dev,
-				      const unsigned int offset,
-				      struct rt2x00_field32 field,
-				      u32 *reg)
-{
-	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
-
-	return rt2800ops->regbusy_read(rt2x00dev, offset, field, reg);
-}
-
 /*
  * RF chip defines.
  *
-- 
GitLab


From d42c8d86ca52185c053f3352c57b46857573307a Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:35:47 +0100
Subject: [PATCH 0982/1815] rt2800usb: add RXINFO_DESC_SIZE definition

Add RXINFO_DESC_SIZE definition and use it instead of abusing
RXD_DESC_SIZE one (TXD_DESC_SIZE and RXD_DESC_SIZE are specific
to PCI version of the chipset).

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800usb.c | 4 ++--
 drivers/net/wireless/rt2x00/rt2800usb.h | 3 ++-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index a3e505034fc..0851dc672a8 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -2152,7 +2152,7 @@ static void rt2800usb_fill_rxdone(struct queue_entry *entry,
 	 */
 	memcpy(skbdesc->desc, rxd, skbdesc->desc_len);
 	rxd = (__le32 *)skbdesc->desc;
-	rxwi = &rxd[RXD_DESC_SIZE / sizeof(__le32)];
+	rxwi = &rxd[RXINFO_DESC_SIZE / sizeof(__le32)];
 
 	/*
 	 * It is now safe to read the descriptor on all architectures.
@@ -2874,7 +2874,7 @@ static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
 static const struct data_queue_desc rt2800usb_queue_rx = {
 	.entry_num		= RX_ENTRIES,
 	.data_size		= AGGREGATION_SIZE,
-	.desc_size		= RXD_DESC_SIZE + RXWI_DESC_SIZE,
+	.desc_size		= RXINFO_DESC_SIZE + RXWI_DESC_SIZE,
 	.priv_size		= sizeof(struct queue_entry_priv_usb),
 };
 
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.h b/drivers/net/wireless/rt2x00/rt2800usb.h
index 7b1130a22c5..9d7bb54999c 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.h
+++ b/drivers/net/wireless/rt2x00/rt2800usb.h
@@ -1747,7 +1747,8 @@ struct mac_iveiv_entry {
 #define TXD_DESC_SIZE			( 4 * sizeof(__le32) )
 #define TXINFO_DESC_SIZE		( 1 * sizeof(__le32) )
 #define TXWI_DESC_SIZE			( 4 * sizeof(__le32) )
-#define RXD_DESC_SIZE			( 1 * sizeof(__le32) )
+#define RXD_DESC_SIZE			( 4 * sizeof(__le32) )
+#define RXINFO_DESC_SIZE		( 1 * sizeof(__le32) )
 #define RXWI_DESC_SIZE			( 4 * sizeof(__le32) )
 
 /*
-- 
GitLab


From b54f78a8b7a108a4abc81d88d641769726be23c1 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:35:54 +0100
Subject: [PATCH 0983/1815] rt2800: fix duplication in header files

Updated debugging scripts are located here:

	http://www.kernel.org/pub/linux/kernel/people/bart/rt2800/scripts/

(they also work fine with older drivers)

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800.h    | 1819 ++++++++++++++++++++++
 drivers/net/wireless/rt2x00/rt2800pci.c |    1 +
 drivers/net/wireless/rt2x00/rt2800pci.h | 1844 +---------------------
 drivers/net/wireless/rt2x00/rt2800usb.c |    1 +
 drivers/net/wireless/rt2x00/rt2800usb.h | 1873 +----------------------
 5 files changed, 1881 insertions(+), 3657 deletions(-)
 create mode 100644 drivers/net/wireless/rt2x00/rt2800.h

diff --git a/drivers/net/wireless/rt2x00/rt2800.h b/drivers/net/wireless/rt2x00/rt2800.h
new file mode 100644
index 00000000000..c5a56bac3bb
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2800.h
@@ -0,0 +1,1819 @@
+/*
+	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	<http://rt2x00.serialmonkey.com>
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation; either version 2 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to the
+	Free Software Foundation, Inc.,
+	59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+	Module: rt2800
+	Abstract: Data structures and registers for the rt2800 modules.
+	Supported chipsets: RT2800E, RT2800ED & RT2800U.
+ */
+
+#ifndef RT2800_H
+#define RT2800_H
+
+/*
+ * RF chip defines.
+ *
+ * RF2820 2.4G 2T3R
+ * RF2850 2.4G/5G 2T3R
+ * RF2720 2.4G 1T2R
+ * RF2750 2.4G/5G 1T2R
+ * RF3020 2.4G 1T1R
+ * RF2020 2.4G B/G
+ * RF3021 2.4G 1T2R
+ * RF3022 2.4G 2T2R
+ * RF3052 2.4G 2T2R
+ */
+#define RF2820				0x0001
+#define RF2850				0x0002
+#define RF2720				0x0003
+#define RF2750				0x0004
+#define RF3020				0x0005
+#define RF2020				0x0006
+#define RF3021				0x0007
+#define RF3022				0x0008
+#define RF3052				0x0009
+
+/*
+ * Chipset version.
+ */
+#define RT2860C_VERSION			0x28600100
+#define RT2860D_VERSION			0x28600101
+#define RT2880E_VERSION			0x28720200
+#define RT2883_VERSION			0x28830300
+#define RT3070_VERSION			0x30700200
+
+/*
+ * Signal information.
+ * Default offset is required for RSSI <-> dBm conversion.
+ */
+#define DEFAULT_RSSI_OFFSET		120 /* FIXME */
+
+/*
+ * Register layout information.
+ */
+#define CSR_REG_BASE			0x1000
+#define CSR_REG_SIZE			0x0800
+#define EEPROM_BASE			0x0000
+#define EEPROM_SIZE			0x0110
+#define BBP_BASE			0x0000
+#define BBP_SIZE			0x0080
+#define RF_BASE				0x0004
+#define RF_SIZE				0x0010
+
+/*
+ * Number of TX queues.
+ */
+#define NUM_TX_QUEUES			4
+
+/*
+ * USB registers.
+ */
+
+/*
+ * INT_SOURCE_CSR: Interrupt source register.
+ * Write one to clear corresponding bit.
+ * TX_FIFO_STATUS: FIFO Statistics is full, sw should read 0x171c
+ */
+#define INT_SOURCE_CSR			0x0200
+#define INT_SOURCE_CSR_RXDELAYINT	FIELD32(0x00000001)
+#define INT_SOURCE_CSR_TXDELAYINT	FIELD32(0x00000002)
+#define INT_SOURCE_CSR_RX_DONE		FIELD32(0x00000004)
+#define INT_SOURCE_CSR_AC0_DMA_DONE	FIELD32(0x00000008)
+#define INT_SOURCE_CSR_AC1_DMA_DONE	FIELD32(0x00000010)
+#define INT_SOURCE_CSR_AC2_DMA_DONE	FIELD32(0x00000020)
+#define INT_SOURCE_CSR_AC3_DMA_DONE	FIELD32(0x00000040)
+#define INT_SOURCE_CSR_HCCA_DMA_DONE	FIELD32(0x00000080)
+#define INT_SOURCE_CSR_MGMT_DMA_DONE	FIELD32(0x00000100)
+#define INT_SOURCE_CSR_MCU_COMMAND	FIELD32(0x00000200)
+#define INT_SOURCE_CSR_RXTX_COHERENT	FIELD32(0x00000400)
+#define INT_SOURCE_CSR_TBTT		FIELD32(0x00000800)
+#define INT_SOURCE_CSR_PRE_TBTT		FIELD32(0x00001000)
+#define INT_SOURCE_CSR_TX_FIFO_STATUS	FIELD32(0x00002000)
+#define INT_SOURCE_CSR_AUTO_WAKEUP	FIELD32(0x00004000)
+#define INT_SOURCE_CSR_GPTIMER		FIELD32(0x00008000)
+#define INT_SOURCE_CSR_RX_COHERENT	FIELD32(0x00010000)
+#define INT_SOURCE_CSR_TX_COHERENT	FIELD32(0x00020000)
+
+/*
+ * INT_MASK_CSR: Interrupt MASK register. 1: the interrupt is mask OFF.
+ */
+#define INT_MASK_CSR			0x0204
+#define INT_MASK_CSR_RXDELAYINT		FIELD32(0x00000001)
+#define INT_MASK_CSR_TXDELAYINT		FIELD32(0x00000002)
+#define INT_MASK_CSR_RX_DONE		FIELD32(0x00000004)
+#define INT_MASK_CSR_AC0_DMA_DONE	FIELD32(0x00000008)
+#define INT_MASK_CSR_AC1_DMA_DONE	FIELD32(0x00000010)
+#define INT_MASK_CSR_AC2_DMA_DONE	FIELD32(0x00000020)
+#define INT_MASK_CSR_AC3_DMA_DONE	FIELD32(0x00000040)
+#define INT_MASK_CSR_HCCA_DMA_DONE	FIELD32(0x00000080)
+#define INT_MASK_CSR_MGMT_DMA_DONE	FIELD32(0x00000100)
+#define INT_MASK_CSR_MCU_COMMAND	FIELD32(0x00000200)
+#define INT_MASK_CSR_RXTX_COHERENT	FIELD32(0x00000400)
+#define INT_MASK_CSR_TBTT		FIELD32(0x00000800)
+#define INT_MASK_CSR_PRE_TBTT		FIELD32(0x00001000)
+#define INT_MASK_CSR_TX_FIFO_STATUS	FIELD32(0x00002000)
+#define INT_MASK_CSR_AUTO_WAKEUP	FIELD32(0x00004000)
+#define INT_MASK_CSR_GPTIMER		FIELD32(0x00008000)
+#define INT_MASK_CSR_RX_COHERENT	FIELD32(0x00010000)
+#define INT_MASK_CSR_TX_COHERENT	FIELD32(0x00020000)
+
+/*
+ * WPDMA_GLO_CFG
+ */
+#define WPDMA_GLO_CFG 			0x0208
+#define WPDMA_GLO_CFG_ENABLE_TX_DMA	FIELD32(0x00000001)
+#define WPDMA_GLO_CFG_TX_DMA_BUSY    	FIELD32(0x00000002)
+#define WPDMA_GLO_CFG_ENABLE_RX_DMA	FIELD32(0x00000004)
+#define WPDMA_GLO_CFG_RX_DMA_BUSY	FIELD32(0x00000008)
+#define WPDMA_GLO_CFG_WP_DMA_BURST_SIZE	FIELD32(0x00000030)
+#define WPDMA_GLO_CFG_TX_WRITEBACK_DONE	FIELD32(0x00000040)
+#define WPDMA_GLO_CFG_BIG_ENDIAN	FIELD32(0x00000080)
+#define WPDMA_GLO_CFG_RX_HDR_SCATTER	FIELD32(0x0000ff00)
+#define WPDMA_GLO_CFG_HDR_SEG_LEN	FIELD32(0xffff0000)
+
+/*
+ * WPDMA_RST_IDX
+ */
+#define WPDMA_RST_IDX 			0x020c
+#define WPDMA_RST_IDX_DTX_IDX0		FIELD32(0x00000001)
+#define WPDMA_RST_IDX_DTX_IDX1		FIELD32(0x00000002)
+#define WPDMA_RST_IDX_DTX_IDX2		FIELD32(0x00000004)
+#define WPDMA_RST_IDX_DTX_IDX3		FIELD32(0x00000008)
+#define WPDMA_RST_IDX_DTX_IDX4		FIELD32(0x00000010)
+#define WPDMA_RST_IDX_DTX_IDX5		FIELD32(0x00000020)
+#define WPDMA_RST_IDX_DRX_IDX0		FIELD32(0x00010000)
+
+/*
+ * DELAY_INT_CFG
+ */
+#define DELAY_INT_CFG			0x0210
+#define DELAY_INT_CFG_RXMAX_PTIME	FIELD32(0x000000ff)
+#define DELAY_INT_CFG_RXMAX_PINT	FIELD32(0x00007f00)
+#define DELAY_INT_CFG_RXDLY_INT_EN	FIELD32(0x00008000)
+#define DELAY_INT_CFG_TXMAX_PTIME	FIELD32(0x00ff0000)
+#define DELAY_INT_CFG_TXMAX_PINT	FIELD32(0x7f000000)
+#define DELAY_INT_CFG_TXDLY_INT_EN	FIELD32(0x80000000)
+
+/*
+ * WMM_AIFSN_CFG: Aifsn for each EDCA AC
+ * AIFSN0: AC_BE
+ * AIFSN1: AC_BK
+ * AIFSN1: AC_VI
+ * AIFSN1: AC_VO
+ */
+#define WMM_AIFSN_CFG			0x0214
+#define WMM_AIFSN_CFG_AIFSN0		FIELD32(0x0000000f)
+#define WMM_AIFSN_CFG_AIFSN1		FIELD32(0x000000f0)
+#define WMM_AIFSN_CFG_AIFSN2		FIELD32(0x00000f00)
+#define WMM_AIFSN_CFG_AIFSN3		FIELD32(0x0000f000)
+
+/*
+ * WMM_CWMIN_CSR: CWmin for each EDCA AC
+ * CWMIN0: AC_BE
+ * CWMIN1: AC_BK
+ * CWMIN1: AC_VI
+ * CWMIN1: AC_VO
+ */
+#define WMM_CWMIN_CFG			0x0218
+#define WMM_CWMIN_CFG_CWMIN0		FIELD32(0x0000000f)
+#define WMM_CWMIN_CFG_CWMIN1		FIELD32(0x000000f0)
+#define WMM_CWMIN_CFG_CWMIN2		FIELD32(0x00000f00)
+#define WMM_CWMIN_CFG_CWMIN3		FIELD32(0x0000f000)
+
+/*
+ * WMM_CWMAX_CSR: CWmax for each EDCA AC
+ * CWMAX0: AC_BE
+ * CWMAX1: AC_BK
+ * CWMAX1: AC_VI
+ * CWMAX1: AC_VO
+ */
+#define WMM_CWMAX_CFG			0x021c
+#define WMM_CWMAX_CFG_CWMAX0		FIELD32(0x0000000f)
+#define WMM_CWMAX_CFG_CWMAX1		FIELD32(0x000000f0)
+#define WMM_CWMAX_CFG_CWMAX2		FIELD32(0x00000f00)
+#define WMM_CWMAX_CFG_CWMAX3		FIELD32(0x0000f000)
+
+/*
+ * AC_TXOP0: AC_BK/AC_BE TXOP register
+ * AC0TXOP: AC_BK in unit of 32us
+ * AC1TXOP: AC_BE in unit of 32us
+ */
+#define WMM_TXOP0_CFG			0x0220
+#define WMM_TXOP0_CFG_AC0TXOP		FIELD32(0x0000ffff)
+#define WMM_TXOP0_CFG_AC1TXOP		FIELD32(0xffff0000)
+
+/*
+ * AC_TXOP1: AC_VO/AC_VI TXOP register
+ * AC2TXOP: AC_VI in unit of 32us
+ * AC3TXOP: AC_VO in unit of 32us
+ */
+#define WMM_TXOP1_CFG			0x0224
+#define WMM_TXOP1_CFG_AC2TXOP		FIELD32(0x0000ffff)
+#define WMM_TXOP1_CFG_AC3TXOP		FIELD32(0xffff0000)
+
+/*
+ * GPIO_CTRL_CFG:
+ */
+#define GPIO_CTRL_CFG			0x0228
+#define GPIO_CTRL_CFG_BIT0		FIELD32(0x00000001)
+#define GPIO_CTRL_CFG_BIT1		FIELD32(0x00000002)
+#define GPIO_CTRL_CFG_BIT2		FIELD32(0x00000004)
+#define GPIO_CTRL_CFG_BIT3		FIELD32(0x00000008)
+#define GPIO_CTRL_CFG_BIT4		FIELD32(0x00000010)
+#define GPIO_CTRL_CFG_BIT5		FIELD32(0x00000020)
+#define GPIO_CTRL_CFG_BIT6		FIELD32(0x00000040)
+#define GPIO_CTRL_CFG_BIT7		FIELD32(0x00000080)
+#define GPIO_CTRL_CFG_BIT8		FIELD32(0x00000100)
+
+/*
+ * MCU_CMD_CFG
+ */
+#define MCU_CMD_CFG			0x022c
+
+/*
+ * AC_BK register offsets
+ */
+#define TX_BASE_PTR0			0x0230
+#define TX_MAX_CNT0			0x0234
+#define TX_CTX_IDX0			0x0238
+#define TX_DTX_IDX0			0x023c
+
+/*
+ * AC_BE register offsets
+ */
+#define TX_BASE_PTR1			0x0240
+#define TX_MAX_CNT1			0x0244
+#define TX_CTX_IDX1			0x0248
+#define TX_DTX_IDX1			0x024c
+
+/*
+ * AC_VI register offsets
+ */
+#define TX_BASE_PTR2			0x0250
+#define TX_MAX_CNT2			0x0254
+#define TX_CTX_IDX2			0x0258
+#define TX_DTX_IDX2			0x025c
+
+/*
+ * AC_VO register offsets
+ */
+#define TX_BASE_PTR3			0x0260
+#define TX_MAX_CNT3			0x0264
+#define TX_CTX_IDX3			0x0268
+#define TX_DTX_IDX3			0x026c
+
+/*
+ * HCCA register offsets
+ */
+#define TX_BASE_PTR4			0x0270
+#define TX_MAX_CNT4			0x0274
+#define TX_CTX_IDX4			0x0278
+#define TX_DTX_IDX4			0x027c
+
+/*
+ * MGMT register offsets
+ */
+#define TX_BASE_PTR5			0x0280
+#define TX_MAX_CNT5			0x0284
+#define TX_CTX_IDX5			0x0288
+#define TX_DTX_IDX5			0x028c
+
+/*
+ * RX register offsets
+ */
+#define RX_BASE_PTR			0x0290
+#define RX_MAX_CNT			0x0294
+#define RX_CRX_IDX			0x0298
+#define RX_DRX_IDX			0x029c
+
+/*
+ * PBF_SYS_CTRL
+ * HOST_RAM_WRITE: enable Host program ram write selection
+ */
+#define PBF_SYS_CTRL			0x0400
+#define PBF_SYS_CTRL_READY		FIELD32(0x00000080)
+#define PBF_SYS_CTRL_HOST_RAM_WRITE	FIELD32(0x00010000)
+
+/*
+ * HOST-MCU shared memory
+ */
+#define HOST_CMD_CSR			0x0404
+#define HOST_CMD_CSR_HOST_COMMAND	FIELD32(0x000000ff)
+
+/*
+ * PBF registers
+ * Most are for debug. Driver doesn't touch PBF register.
+ */
+#define PBF_CFG				0x0408
+#define PBF_MAX_PCNT			0x040c
+#define PBF_CTRL			0x0410
+#define PBF_INT_STA			0x0414
+#define PBF_INT_ENA			0x0418
+
+/*
+ * BCN_OFFSET0:
+ */
+#define BCN_OFFSET0			0x042c
+#define BCN_OFFSET0_BCN0		FIELD32(0x000000ff)
+#define BCN_OFFSET0_BCN1		FIELD32(0x0000ff00)
+#define BCN_OFFSET0_BCN2		FIELD32(0x00ff0000)
+#define BCN_OFFSET0_BCN3		FIELD32(0xff000000)
+
+/*
+ * BCN_OFFSET1:
+ */
+#define BCN_OFFSET1			0x0430
+#define BCN_OFFSET1_BCN4		FIELD32(0x000000ff)
+#define BCN_OFFSET1_BCN5		FIELD32(0x0000ff00)
+#define BCN_OFFSET1_BCN6		FIELD32(0x00ff0000)
+#define BCN_OFFSET1_BCN7		FIELD32(0xff000000)
+
+/*
+ * PBF registers
+ * Most are for debug. Driver doesn't touch PBF register.
+ */
+#define TXRXQ_PCNT			0x0438
+#define PBF_DBG				0x043c
+
+/*
+ * RF registers
+ */
+#define	RF_CSR_CFG			0x0500
+#define RF_CSR_CFG_DATA			FIELD32(0x000000ff)
+#define RF_CSR_CFG_REGNUM		FIELD32(0x00001f00)
+#define RF_CSR_CFG_WRITE		FIELD32(0x00010000)
+#define RF_CSR_CFG_BUSY			FIELD32(0x00020000)
+
+/*
+ * MAC Control/Status Registers(CSR).
+ * Some values are set in TU, whereas 1 TU == 1024 us.
+ */
+
+/*
+ * MAC_CSR0: ASIC revision number.
+ * ASIC_REV: 0
+ * ASIC_VER: 2860 or 2870
+ */
+#define MAC_CSR0			0x1000
+#define MAC_CSR0_ASIC_REV		FIELD32(0x0000ffff)
+#define MAC_CSR0_ASIC_VER		FIELD32(0xffff0000)
+
+/*
+ * MAC_SYS_CTRL:
+ */
+#define MAC_SYS_CTRL			0x1004
+#define MAC_SYS_CTRL_RESET_CSR		FIELD32(0x00000001)
+#define MAC_SYS_CTRL_RESET_BBP		FIELD32(0x00000002)
+#define MAC_SYS_CTRL_ENABLE_TX		FIELD32(0x00000004)
+#define MAC_SYS_CTRL_ENABLE_RX		FIELD32(0x00000008)
+#define MAC_SYS_CTRL_CONTINUOUS_TX	FIELD32(0x00000010)
+#define MAC_SYS_CTRL_LOOPBACK		FIELD32(0x00000020)
+#define MAC_SYS_CTRL_WLAN_HALT		FIELD32(0x00000040)
+#define MAC_SYS_CTRL_RX_TIMESTAMP	FIELD32(0x00000080)
+
+/*
+ * MAC_ADDR_DW0: STA MAC register 0
+ */
+#define MAC_ADDR_DW0			0x1008
+#define MAC_ADDR_DW0_BYTE0		FIELD32(0x000000ff)
+#define MAC_ADDR_DW0_BYTE1		FIELD32(0x0000ff00)
+#define MAC_ADDR_DW0_BYTE2		FIELD32(0x00ff0000)
+#define MAC_ADDR_DW0_BYTE3		FIELD32(0xff000000)
+
+/*
+ * MAC_ADDR_DW1: STA MAC register 1
+ * UNICAST_TO_ME_MASK:
+ * Used to mask off bits from byte 5 of the MAC address
+ * to determine the UNICAST_TO_ME bit for RX frames.
+ * The full mask is complemented by BSS_ID_MASK:
+ *    MASK = BSS_ID_MASK & UNICAST_TO_ME_MASK
+ */
+#define MAC_ADDR_DW1			0x100c
+#define MAC_ADDR_DW1_BYTE4		FIELD32(0x000000ff)
+#define MAC_ADDR_DW1_BYTE5		FIELD32(0x0000ff00)
+#define MAC_ADDR_DW1_UNICAST_TO_ME_MASK	FIELD32(0x00ff0000)
+
+/*
+ * MAC_BSSID_DW0: BSSID register 0
+ */
+#define MAC_BSSID_DW0			0x1010
+#define MAC_BSSID_DW0_BYTE0		FIELD32(0x000000ff)
+#define MAC_BSSID_DW0_BYTE1		FIELD32(0x0000ff00)
+#define MAC_BSSID_DW0_BYTE2		FIELD32(0x00ff0000)
+#define MAC_BSSID_DW0_BYTE3		FIELD32(0xff000000)
+
+/*
+ * MAC_BSSID_DW1: BSSID register 1
+ * BSS_ID_MASK:
+ *     0: 1-BSSID mode (BSS index = 0)
+ *     1: 2-BSSID mode (BSS index: Byte5, bit 0)
+ *     2: 4-BSSID mode (BSS index: byte5, bit 0 - 1)
+ *     3: 8-BSSID mode (BSS index: byte5, bit 0 - 2)
+ * This mask is used to mask off bits 0, 1 and 2 of byte 5 of the
+ * BSSID. This will make sure that those bits will be ignored
+ * when determining the MY_BSS of RX frames.
+ */
+#define MAC_BSSID_DW1			0x1014
+#define MAC_BSSID_DW1_BYTE4		FIELD32(0x000000ff)
+#define MAC_BSSID_DW1_BYTE5		FIELD32(0x0000ff00)
+#define MAC_BSSID_DW1_BSS_ID_MASK	FIELD32(0x00030000)
+#define MAC_BSSID_DW1_BSS_BCN_NUM	FIELD32(0x001c0000)
+
+/*
+ * MAX_LEN_CFG: Maximum frame length register.
+ * MAX_MPDU: rt2860b max 16k bytes
+ * MAX_PSDU: Maximum PSDU length
+ *	(power factor) 0:2^13, 1:2^14, 2:2^15, 3:2^16
+ */
+#define MAX_LEN_CFG			0x1018
+#define MAX_LEN_CFG_MAX_MPDU		FIELD32(0x00000fff)
+#define MAX_LEN_CFG_MAX_PSDU		FIELD32(0x00003000)
+#define MAX_LEN_CFG_MIN_PSDU		FIELD32(0x0000c000)
+#define MAX_LEN_CFG_MIN_MPDU		FIELD32(0x000f0000)
+
+/*
+ * BBP_CSR_CFG: BBP serial control register
+ * VALUE: Register value to program into BBP
+ * REG_NUM: Selected BBP register
+ * READ_CONTROL: 0 write BBP, 1 read BBP
+ * BUSY: ASIC is busy executing BBP commands
+ * BBP_PAR_DUR: 0 4 MAC clocks, 1 8 MAC clocks
+ * BBP_RW_MODE: 0 serial, 1 paralell
+ */
+#define BBP_CSR_CFG			0x101c
+#define BBP_CSR_CFG_VALUE		FIELD32(0x000000ff)
+#define BBP_CSR_CFG_REGNUM		FIELD32(0x0000ff00)
+#define BBP_CSR_CFG_READ_CONTROL	FIELD32(0x00010000)
+#define BBP_CSR_CFG_BUSY		FIELD32(0x00020000)
+#define BBP_CSR_CFG_BBP_PAR_DUR		FIELD32(0x00040000)
+#define BBP_CSR_CFG_BBP_RW_MODE		FIELD32(0x00080000)
+
+/*
+ * RF_CSR_CFG0: RF control register
+ * REGID_AND_VALUE: Register value to program into RF
+ * BITWIDTH: Selected RF register
+ * STANDBYMODE: 0 high when standby, 1 low when standby
+ * SEL: 0 RF_LE0 activate, 1 RF_LE1 activate
+ * BUSY: ASIC is busy executing RF commands
+ */
+#define RF_CSR_CFG0			0x1020
+#define RF_CSR_CFG0_REGID_AND_VALUE	FIELD32(0x00ffffff)
+#define RF_CSR_CFG0_BITWIDTH		FIELD32(0x1f000000)
+#define RF_CSR_CFG0_REG_VALUE_BW	FIELD32(0x1fffffff)
+#define RF_CSR_CFG0_STANDBYMODE		FIELD32(0x20000000)
+#define RF_CSR_CFG0_SEL			FIELD32(0x40000000)
+#define RF_CSR_CFG0_BUSY		FIELD32(0x80000000)
+
+/*
+ * RF_CSR_CFG1: RF control register
+ * REGID_AND_VALUE: Register value to program into RF
+ * RFGAP: Gap between BB_CONTROL_RF and RF_LE
+ *        0: 3 system clock cycle (37.5usec)
+ *        1: 5 system clock cycle (62.5usec)
+ */
+#define RF_CSR_CFG1			0x1024
+#define RF_CSR_CFG1_REGID_AND_VALUE	FIELD32(0x00ffffff)
+#define RF_CSR_CFG1_RFGAP		FIELD32(0x1f000000)
+
+/*
+ * RF_CSR_CFG2: RF control register
+ * VALUE: Register value to program into RF
+ * RFGAP: Gap between BB_CONTROL_RF and RF_LE
+ *        0: 3 system clock cycle (37.5usec)
+ *        1: 5 system clock cycle (62.5usec)
+ */
+#define RF_CSR_CFG2			0x1028
+#define RF_CSR_CFG2_VALUE		FIELD32(0x00ffffff)
+
+/*
+ * LED_CFG: LED control
+ * color LED's:
+ *   0: off
+ *   1: blinking upon TX2
+ *   2: periodic slow blinking
+ *   3: always on
+ * LED polarity:
+ *   0: active low
+ *   1: active high
+ */
+#define LED_CFG				0x102c
+#define LED_CFG_ON_PERIOD		FIELD32(0x000000ff)
+#define LED_CFG_OFF_PERIOD		FIELD32(0x0000ff00)
+#define LED_CFG_SLOW_BLINK_PERIOD	FIELD32(0x003f0000)
+#define LED_CFG_R_LED_MODE		FIELD32(0x03000000)
+#define LED_CFG_G_LED_MODE		FIELD32(0x0c000000)
+#define LED_CFG_Y_LED_MODE		FIELD32(0x30000000)
+#define LED_CFG_LED_POLAR		FIELD32(0x40000000)
+
+/*
+ * XIFS_TIME_CFG: MAC timing
+ * CCKM_SIFS_TIME: unit 1us. Applied after CCK RX/TX
+ * OFDM_SIFS_TIME: unit 1us. Applied after OFDM RX/TX
+ * OFDM_XIFS_TIME: unit 1us. Applied after OFDM RX
+ *	when MAC doesn't reference BBP signal BBRXEND
+ * EIFS: unit 1us
+ * BB_RXEND_ENABLE: reference RXEND signal to begin XIFS defer
+ *
+ */
+#define XIFS_TIME_CFG			0x1100
+#define XIFS_TIME_CFG_CCKM_SIFS_TIME	FIELD32(0x000000ff)
+#define XIFS_TIME_CFG_OFDM_SIFS_TIME	FIELD32(0x0000ff00)
+#define XIFS_TIME_CFG_OFDM_XIFS_TIME	FIELD32(0x000f0000)
+#define XIFS_TIME_CFG_EIFS		FIELD32(0x1ff00000)
+#define XIFS_TIME_CFG_BB_RXEND_ENABLE	FIELD32(0x20000000)
+
+/*
+ * BKOFF_SLOT_CFG:
+ */
+#define BKOFF_SLOT_CFG			0x1104
+#define BKOFF_SLOT_CFG_SLOT_TIME	FIELD32(0x000000ff)
+#define BKOFF_SLOT_CFG_CC_DELAY_TIME	FIELD32(0x0000ff00)
+
+/*
+ * NAV_TIME_CFG:
+ */
+#define NAV_TIME_CFG			0x1108
+#define NAV_TIME_CFG_SIFS		FIELD32(0x000000ff)
+#define NAV_TIME_CFG_SLOT_TIME		FIELD32(0x0000ff00)
+#define NAV_TIME_CFG_EIFS		FIELD32(0x01ff0000)
+#define NAV_TIME_ZERO_SIFS		FIELD32(0x02000000)
+
+/*
+ * CH_TIME_CFG: count as channel busy
+ */
+#define CH_TIME_CFG     	        0x110c
+
+/*
+ * PBF_LIFE_TIMER: TX/RX MPDU timestamp timer (free run) Unit: 1us
+ */
+#define PBF_LIFE_TIMER     	        0x1110
+
+/*
+ * BCN_TIME_CFG:
+ * BEACON_INTERVAL: in unit of 1/16 TU
+ * TSF_TICKING: Enable TSF auto counting
+ * TSF_SYNC: Enable TSF sync, 00: disable, 01: infra mode, 10: ad-hoc mode
+ * BEACON_GEN: Enable beacon generator
+ */
+#define BCN_TIME_CFG			0x1114
+#define BCN_TIME_CFG_BEACON_INTERVAL	FIELD32(0x0000ffff)
+#define BCN_TIME_CFG_TSF_TICKING	FIELD32(0x00010000)
+#define BCN_TIME_CFG_TSF_SYNC		FIELD32(0x00060000)
+#define BCN_TIME_CFG_TBTT_ENABLE	FIELD32(0x00080000)
+#define BCN_TIME_CFG_BEACON_GEN		FIELD32(0x00100000)
+#define BCN_TIME_CFG_TX_TIME_COMPENSATE	FIELD32(0xf0000000)
+
+/*
+ * TBTT_SYNC_CFG:
+ */
+#define TBTT_SYNC_CFG			0x1118
+
+/*
+ * TSF_TIMER_DW0: Local lsb TSF timer, read-only
+ */
+#define TSF_TIMER_DW0			0x111c
+#define TSF_TIMER_DW0_LOW_WORD		FIELD32(0xffffffff)
+
+/*
+ * TSF_TIMER_DW1: Local msb TSF timer, read-only
+ */
+#define TSF_TIMER_DW1			0x1120
+#define TSF_TIMER_DW1_HIGH_WORD		FIELD32(0xffffffff)
+
+/*
+ * TBTT_TIMER: TImer remains till next TBTT, read-only
+ */
+#define TBTT_TIMER			0x1124
+
+/*
+ * INT_TIMER_CFG:
+ */
+#define INT_TIMER_CFG			0x1128
+
+/*
+ * INT_TIMER_EN: GP-timer and pre-tbtt Int enable
+ */
+#define INT_TIMER_EN			0x112c
+
+/*
+ * CH_IDLE_STA: channel idle time
+ */
+#define CH_IDLE_STA			0x1130
+
+/*
+ * CH_BUSY_STA: channel busy time
+ */
+#define CH_BUSY_STA			0x1134
+
+/*
+ * MAC_STATUS_CFG:
+ * BBP_RF_BUSY: When set to 0, BBP and RF are stable.
+ *	if 1 or higher one of the 2 registers is busy.
+ */
+#define MAC_STATUS_CFG			0x1200
+#define MAC_STATUS_CFG_BBP_RF_BUSY	FIELD32(0x00000003)
+
+/*
+ * PWR_PIN_CFG:
+ */
+#define PWR_PIN_CFG			0x1204
+
+/*
+ * AUTOWAKEUP_CFG: Manual power control / status register
+ * TBCN_BEFORE_WAKE: ForceWake has high privilege than PutToSleep when both set
+ * AUTOWAKE: 0:sleep, 1:awake
+ */
+#define AUTOWAKEUP_CFG			0x1208
+#define AUTOWAKEUP_CFG_AUTO_LEAD_TIME	FIELD32(0x000000ff)
+#define AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE	FIELD32(0x00007f00)
+#define AUTOWAKEUP_CFG_AUTOWAKE		FIELD32(0x00008000)
+
+/*
+ * EDCA_AC0_CFG:
+ */
+#define EDCA_AC0_CFG			0x1300
+#define EDCA_AC0_CFG_TX_OP		FIELD32(0x000000ff)
+#define EDCA_AC0_CFG_AIFSN		FIELD32(0x00000f00)
+#define EDCA_AC0_CFG_CWMIN		FIELD32(0x0000f000)
+#define EDCA_AC0_CFG_CWMAX		FIELD32(0x000f0000)
+
+/*
+ * EDCA_AC1_CFG:
+ */
+#define EDCA_AC1_CFG			0x1304
+#define EDCA_AC1_CFG_TX_OP		FIELD32(0x000000ff)
+#define EDCA_AC1_CFG_AIFSN		FIELD32(0x00000f00)
+#define EDCA_AC1_CFG_CWMIN		FIELD32(0x0000f000)
+#define EDCA_AC1_CFG_CWMAX		FIELD32(0x000f0000)
+
+/*
+ * EDCA_AC2_CFG:
+ */
+#define EDCA_AC2_CFG			0x1308
+#define EDCA_AC2_CFG_TX_OP		FIELD32(0x000000ff)
+#define EDCA_AC2_CFG_AIFSN		FIELD32(0x00000f00)
+#define EDCA_AC2_CFG_CWMIN		FIELD32(0x0000f000)
+#define EDCA_AC2_CFG_CWMAX		FIELD32(0x000f0000)
+
+/*
+ * EDCA_AC3_CFG:
+ */
+#define EDCA_AC3_CFG			0x130c
+#define EDCA_AC3_CFG_TX_OP		FIELD32(0x000000ff)
+#define EDCA_AC3_CFG_AIFSN		FIELD32(0x00000f00)
+#define EDCA_AC3_CFG_CWMIN		FIELD32(0x0000f000)
+#define EDCA_AC3_CFG_CWMAX		FIELD32(0x000f0000)
+
+/*
+ * EDCA_TID_AC_MAP:
+ */
+#define EDCA_TID_AC_MAP			0x1310
+
+/*
+ * TX_PWR_CFG_0:
+ */
+#define TX_PWR_CFG_0			0x1314
+#define TX_PWR_CFG_0_1MBS		FIELD32(0x0000000f)
+#define TX_PWR_CFG_0_2MBS		FIELD32(0x000000f0)
+#define TX_PWR_CFG_0_55MBS		FIELD32(0x00000f00)
+#define TX_PWR_CFG_0_11MBS		FIELD32(0x0000f000)
+#define TX_PWR_CFG_0_6MBS		FIELD32(0x000f0000)
+#define TX_PWR_CFG_0_9MBS		FIELD32(0x00f00000)
+#define TX_PWR_CFG_0_12MBS		FIELD32(0x0f000000)
+#define TX_PWR_CFG_0_18MBS		FIELD32(0xf0000000)
+
+/*
+ * TX_PWR_CFG_1:
+ */
+#define TX_PWR_CFG_1			0x1318
+#define TX_PWR_CFG_1_24MBS		FIELD32(0x0000000f)
+#define TX_PWR_CFG_1_36MBS		FIELD32(0x000000f0)
+#define TX_PWR_CFG_1_48MBS		FIELD32(0x00000f00)
+#define TX_PWR_CFG_1_54MBS		FIELD32(0x0000f000)
+#define TX_PWR_CFG_1_MCS0		FIELD32(0x000f0000)
+#define TX_PWR_CFG_1_MCS1		FIELD32(0x00f00000)
+#define TX_PWR_CFG_1_MCS2		FIELD32(0x0f000000)
+#define TX_PWR_CFG_1_MCS3		FIELD32(0xf0000000)
+
+/*
+ * TX_PWR_CFG_2:
+ */
+#define TX_PWR_CFG_2			0x131c
+#define TX_PWR_CFG_2_MCS4		FIELD32(0x0000000f)
+#define TX_PWR_CFG_2_MCS5		FIELD32(0x000000f0)
+#define TX_PWR_CFG_2_MCS6		FIELD32(0x00000f00)
+#define TX_PWR_CFG_2_MCS7		FIELD32(0x0000f000)
+#define TX_PWR_CFG_2_MCS8		FIELD32(0x000f0000)
+#define TX_PWR_CFG_2_MCS9		FIELD32(0x00f00000)
+#define TX_PWR_CFG_2_MCS10		FIELD32(0x0f000000)
+#define TX_PWR_CFG_2_MCS11		FIELD32(0xf0000000)
+
+/*
+ * TX_PWR_CFG_3:
+ */
+#define TX_PWR_CFG_3			0x1320
+#define TX_PWR_CFG_3_MCS12		FIELD32(0x0000000f)
+#define TX_PWR_CFG_3_MCS13		FIELD32(0x000000f0)
+#define TX_PWR_CFG_3_MCS14		FIELD32(0x00000f00)
+#define TX_PWR_CFG_3_MCS15		FIELD32(0x0000f000)
+#define TX_PWR_CFG_3_UKNOWN1		FIELD32(0x000f0000)
+#define TX_PWR_CFG_3_UKNOWN2		FIELD32(0x00f00000)
+#define TX_PWR_CFG_3_UKNOWN3		FIELD32(0x0f000000)
+#define TX_PWR_CFG_3_UKNOWN4		FIELD32(0xf0000000)
+
+/*
+ * TX_PWR_CFG_4:
+ */
+#define TX_PWR_CFG_4			0x1324
+#define TX_PWR_CFG_4_UKNOWN5		FIELD32(0x0000000f)
+#define TX_PWR_CFG_4_UKNOWN6		FIELD32(0x000000f0)
+#define TX_PWR_CFG_4_UKNOWN7		FIELD32(0x00000f00)
+#define TX_PWR_CFG_4_UKNOWN8		FIELD32(0x0000f000)
+
+/*
+ * TX_PIN_CFG:
+ */
+#define TX_PIN_CFG			0x1328
+#define TX_PIN_CFG_PA_PE_A0_EN		FIELD32(0x00000001)
+#define TX_PIN_CFG_PA_PE_G0_EN		FIELD32(0x00000002)
+#define TX_PIN_CFG_PA_PE_A1_EN		FIELD32(0x00000004)
+#define TX_PIN_CFG_PA_PE_G1_EN		FIELD32(0x00000008)
+#define TX_PIN_CFG_PA_PE_A0_POL		FIELD32(0x00000010)
+#define TX_PIN_CFG_PA_PE_G0_POL		FIELD32(0x00000020)
+#define TX_PIN_CFG_PA_PE_A1_POL		FIELD32(0x00000040)
+#define TX_PIN_CFG_PA_PE_G1_POL		FIELD32(0x00000080)
+#define TX_PIN_CFG_LNA_PE_A0_EN		FIELD32(0x00000100)
+#define TX_PIN_CFG_LNA_PE_G0_EN		FIELD32(0x00000200)
+#define TX_PIN_CFG_LNA_PE_A1_EN		FIELD32(0x00000400)
+#define TX_PIN_CFG_LNA_PE_G1_EN		FIELD32(0x00000800)
+#define TX_PIN_CFG_LNA_PE_A0_POL	FIELD32(0x00001000)
+#define TX_PIN_CFG_LNA_PE_G0_POL	FIELD32(0x00002000)
+#define TX_PIN_CFG_LNA_PE_A1_POL	FIELD32(0x00004000)
+#define TX_PIN_CFG_LNA_PE_G1_POL	FIELD32(0x00008000)
+#define TX_PIN_CFG_RFTR_EN		FIELD32(0x00010000)
+#define TX_PIN_CFG_RFTR_POL		FIELD32(0x00020000)
+#define TX_PIN_CFG_TRSW_EN		FIELD32(0x00040000)
+#define TX_PIN_CFG_TRSW_POL		FIELD32(0x00080000)
+
+/*
+ * TX_BAND_CFG: 0x1 use upper 20MHz, 0x0 use lower 20MHz
+ */
+#define TX_BAND_CFG			0x132c
+#define TX_BAND_CFG_HT40_PLUS		FIELD32(0x00000001)
+#define TX_BAND_CFG_A			FIELD32(0x00000002)
+#define TX_BAND_CFG_BG			FIELD32(0x00000004)
+
+/*
+ * TX_SW_CFG0:
+ */
+#define TX_SW_CFG0			0x1330
+
+/*
+ * TX_SW_CFG1:
+ */
+#define TX_SW_CFG1			0x1334
+
+/*
+ * TX_SW_CFG2:
+ */
+#define TX_SW_CFG2			0x1338
+
+/*
+ * TXOP_THRES_CFG:
+ */
+#define TXOP_THRES_CFG			0x133c
+
+/*
+ * TXOP_CTRL_CFG:
+ */
+#define TXOP_CTRL_CFG			0x1340
+
+/*
+ * TX_RTS_CFG:
+ * RTS_THRES: unit:byte
+ * RTS_FBK_EN: enable rts rate fallback
+ */
+#define TX_RTS_CFG			0x1344
+#define TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT	FIELD32(0x000000ff)
+#define TX_RTS_CFG_RTS_THRES		FIELD32(0x00ffff00)
+#define TX_RTS_CFG_RTS_FBK_EN		FIELD32(0x01000000)
+
+/*
+ * TX_TIMEOUT_CFG:
+ * MPDU_LIFETIME: expiration time = 2^(9+MPDU LIFE TIME) us
+ * RX_ACK_TIMEOUT: unit:slot. Used for TX procedure
+ * TX_OP_TIMEOUT: TXOP timeout value for TXOP truncation.
+ *                it is recommended that:
+ *                (SLOT_TIME) > (TX_OP_TIMEOUT) > (RX_ACK_TIMEOUT)
+ */
+#define TX_TIMEOUT_CFG			0x1348
+#define TX_TIMEOUT_CFG_MPDU_LIFETIME	FIELD32(0x000000f0)
+#define TX_TIMEOUT_CFG_RX_ACK_TIMEOUT	FIELD32(0x0000ff00)
+#define TX_TIMEOUT_CFG_TX_OP_TIMEOUT	FIELD32(0x00ff0000)
+
+/*
+ * TX_RTY_CFG:
+ * SHORT_RTY_LIMIT: short retry limit
+ * LONG_RTY_LIMIT: long retry limit
+ * LONG_RTY_THRE: Long retry threshoold
+ * NON_AGG_RTY_MODE: Non-Aggregate MPDU retry mode
+ *                   0:expired by retry limit, 1: expired by mpdu life timer
+ * AGG_RTY_MODE: Aggregate MPDU retry mode
+ *               0:expired by retry limit, 1: expired by mpdu life timer
+ * TX_AUTO_FB_ENABLE: Tx retry PHY rate auto fallback enable
+ */
+#define TX_RTY_CFG			0x134c
+#define TX_RTY_CFG_SHORT_RTY_LIMIT	FIELD32(0x000000ff)
+#define TX_RTY_CFG_LONG_RTY_LIMIT	FIELD32(0x0000ff00)
+#define TX_RTY_CFG_LONG_RTY_THRE	FIELD32(0x0fff0000)
+#define TX_RTY_CFG_NON_AGG_RTY_MODE	FIELD32(0x10000000)
+#define TX_RTY_CFG_AGG_RTY_MODE		FIELD32(0x20000000)
+#define TX_RTY_CFG_TX_AUTO_FB_ENABLE	FIELD32(0x40000000)
+
+/*
+ * TX_LINK_CFG:
+ * REMOTE_MFB_LIFETIME: remote MFB life time. unit: 32us
+ * MFB_ENABLE: TX apply remote MFB 1:enable
+ * REMOTE_UMFS_ENABLE: remote unsolicit  MFB enable
+ *                     0: not apply remote remote unsolicit (MFS=7)
+ * TX_MRQ_EN: MCS request TX enable
+ * TX_RDG_EN: RDG TX enable
+ * TX_CF_ACK_EN: Piggyback CF-ACK enable
+ * REMOTE_MFB: remote MCS feedback
+ * REMOTE_MFS: remote MCS feedback sequence number
+ */
+#define TX_LINK_CFG			0x1350
+#define TX_LINK_CFG_REMOTE_MFB_LIFETIME	FIELD32(0x000000ff)
+#define TX_LINK_CFG_MFB_ENABLE		FIELD32(0x00000100)
+#define TX_LINK_CFG_REMOTE_UMFS_ENABLE	FIELD32(0x00000200)
+#define TX_LINK_CFG_TX_MRQ_EN		FIELD32(0x00000400)
+#define TX_LINK_CFG_TX_RDG_EN		FIELD32(0x00000800)
+#define TX_LINK_CFG_TX_CF_ACK_EN	FIELD32(0x00001000)
+#define TX_LINK_CFG_REMOTE_MFB		FIELD32(0x00ff0000)
+#define TX_LINK_CFG_REMOTE_MFS		FIELD32(0xff000000)
+
+/*
+ * HT_FBK_CFG0:
+ */
+#define HT_FBK_CFG0			0x1354
+#define HT_FBK_CFG0_HTMCS0FBK		FIELD32(0x0000000f)
+#define HT_FBK_CFG0_HTMCS1FBK		FIELD32(0x000000f0)
+#define HT_FBK_CFG0_HTMCS2FBK		FIELD32(0x00000f00)
+#define HT_FBK_CFG0_HTMCS3FBK		FIELD32(0x0000f000)
+#define HT_FBK_CFG0_HTMCS4FBK		FIELD32(0x000f0000)
+#define HT_FBK_CFG0_HTMCS5FBK		FIELD32(0x00f00000)
+#define HT_FBK_CFG0_HTMCS6FBK		FIELD32(0x0f000000)
+#define HT_FBK_CFG0_HTMCS7FBK		FIELD32(0xf0000000)
+
+/*
+ * HT_FBK_CFG1:
+ */
+#define HT_FBK_CFG1			0x1358
+#define HT_FBK_CFG1_HTMCS8FBK		FIELD32(0x0000000f)
+#define HT_FBK_CFG1_HTMCS9FBK		FIELD32(0x000000f0)
+#define HT_FBK_CFG1_HTMCS10FBK		FIELD32(0x00000f00)
+#define HT_FBK_CFG1_HTMCS11FBK		FIELD32(0x0000f000)
+#define HT_FBK_CFG1_HTMCS12FBK		FIELD32(0x000f0000)
+#define HT_FBK_CFG1_HTMCS13FBK		FIELD32(0x00f00000)
+#define HT_FBK_CFG1_HTMCS14FBK		FIELD32(0x0f000000)
+#define HT_FBK_CFG1_HTMCS15FBK		FIELD32(0xf0000000)
+
+/*
+ * LG_FBK_CFG0:
+ */
+#define LG_FBK_CFG0			0x135c
+#define LG_FBK_CFG0_OFDMMCS0FBK		FIELD32(0x0000000f)
+#define LG_FBK_CFG0_OFDMMCS1FBK		FIELD32(0x000000f0)
+#define LG_FBK_CFG0_OFDMMCS2FBK		FIELD32(0x00000f00)
+#define LG_FBK_CFG0_OFDMMCS3FBK		FIELD32(0x0000f000)
+#define LG_FBK_CFG0_OFDMMCS4FBK		FIELD32(0x000f0000)
+#define LG_FBK_CFG0_OFDMMCS5FBK		FIELD32(0x00f00000)
+#define LG_FBK_CFG0_OFDMMCS6FBK		FIELD32(0x0f000000)
+#define LG_FBK_CFG0_OFDMMCS7FBK		FIELD32(0xf0000000)
+
+/*
+ * LG_FBK_CFG1:
+ */
+#define LG_FBK_CFG1			0x1360
+#define LG_FBK_CFG0_CCKMCS0FBK		FIELD32(0x0000000f)
+#define LG_FBK_CFG0_CCKMCS1FBK		FIELD32(0x000000f0)
+#define LG_FBK_CFG0_CCKMCS2FBK		FIELD32(0x00000f00)
+#define LG_FBK_CFG0_CCKMCS3FBK		FIELD32(0x0000f000)
+
+/*
+ * CCK_PROT_CFG: CCK Protection
+ * PROTECT_RATE: Protection control frame rate for CCK TX(RTS/CTS/CFEnd)
+ * PROTECT_CTRL: Protection control frame type for CCK TX
+ *               0:none, 1:RTS/CTS, 2:CTS-to-self
+ * PROTECT_NAV: TXOP protection type for CCK TX
+ *              0:none, 1:ShortNAVprotect, 2:LongNAVProtect
+ * TX_OP_ALLOW_CCK: CCK TXOP allowance, 0:disallow
+ * TX_OP_ALLOW_OFDM: CCK TXOP allowance, 0:disallow
+ * TX_OP_ALLOW_MM20: CCK TXOP allowance, 0:disallow
+ * TX_OP_ALLOW_MM40: CCK TXOP allowance, 0:disallow
+ * TX_OP_ALLOW_GF20: CCK TXOP allowance, 0:disallow
+ * TX_OP_ALLOW_GF40: CCK TXOP allowance, 0:disallow
+ * RTS_TH_EN: RTS threshold enable on CCK TX
+ */
+#define CCK_PROT_CFG			0x1364
+#define CCK_PROT_CFG_PROTECT_RATE	FIELD32(0x0000ffff)
+#define CCK_PROT_CFG_PROTECT_CTRL	FIELD32(0x00030000)
+#define CCK_PROT_CFG_PROTECT_NAV	FIELD32(0x000c0000)
+#define CCK_PROT_CFG_TX_OP_ALLOW_CCK	FIELD32(0x00100000)
+#define CCK_PROT_CFG_TX_OP_ALLOW_OFDM	FIELD32(0x00200000)
+#define CCK_PROT_CFG_TX_OP_ALLOW_MM20	FIELD32(0x00400000)
+#define CCK_PROT_CFG_TX_OP_ALLOW_MM40	FIELD32(0x00800000)
+#define CCK_PROT_CFG_TX_OP_ALLOW_GF20	FIELD32(0x01000000)
+#define CCK_PROT_CFG_TX_OP_ALLOW_GF40	FIELD32(0x02000000)
+#define CCK_PROT_CFG_RTS_TH_EN		FIELD32(0x04000000)
+
+/*
+ * OFDM_PROT_CFG: OFDM Protection
+ */
+#define OFDM_PROT_CFG			0x1368
+#define OFDM_PROT_CFG_PROTECT_RATE	FIELD32(0x0000ffff)
+#define OFDM_PROT_CFG_PROTECT_CTRL	FIELD32(0x00030000)
+#define OFDM_PROT_CFG_PROTECT_NAV	FIELD32(0x000c0000)
+#define OFDM_PROT_CFG_TX_OP_ALLOW_CCK	FIELD32(0x00100000)
+#define OFDM_PROT_CFG_TX_OP_ALLOW_OFDM	FIELD32(0x00200000)
+#define OFDM_PROT_CFG_TX_OP_ALLOW_MM20	FIELD32(0x00400000)
+#define OFDM_PROT_CFG_TX_OP_ALLOW_MM40	FIELD32(0x00800000)
+#define OFDM_PROT_CFG_TX_OP_ALLOW_GF20	FIELD32(0x01000000)
+#define OFDM_PROT_CFG_TX_OP_ALLOW_GF40	FIELD32(0x02000000)
+#define OFDM_PROT_CFG_RTS_TH_EN		FIELD32(0x04000000)
+
+/*
+ * MM20_PROT_CFG: MM20 Protection
+ */
+#define MM20_PROT_CFG			0x136c
+#define MM20_PROT_CFG_PROTECT_RATE	FIELD32(0x0000ffff)
+#define MM20_PROT_CFG_PROTECT_CTRL	FIELD32(0x00030000)
+#define MM20_PROT_CFG_PROTECT_NAV	FIELD32(0x000c0000)
+#define MM20_PROT_CFG_TX_OP_ALLOW_CCK	FIELD32(0x00100000)
+#define MM20_PROT_CFG_TX_OP_ALLOW_OFDM	FIELD32(0x00200000)
+#define MM20_PROT_CFG_TX_OP_ALLOW_MM20	FIELD32(0x00400000)
+#define MM20_PROT_CFG_TX_OP_ALLOW_MM40	FIELD32(0x00800000)
+#define MM20_PROT_CFG_TX_OP_ALLOW_GF20	FIELD32(0x01000000)
+#define MM20_PROT_CFG_TX_OP_ALLOW_GF40	FIELD32(0x02000000)
+#define MM20_PROT_CFG_RTS_TH_EN		FIELD32(0x04000000)
+
+/*
+ * MM40_PROT_CFG: MM40 Protection
+ */
+#define MM40_PROT_CFG			0x1370
+#define MM40_PROT_CFG_PROTECT_RATE	FIELD32(0x0000ffff)
+#define MM40_PROT_CFG_PROTECT_CTRL	FIELD32(0x00030000)
+#define MM40_PROT_CFG_PROTECT_NAV	FIELD32(0x000c0000)
+#define MM40_PROT_CFG_TX_OP_ALLOW_CCK	FIELD32(0x00100000)
+#define MM40_PROT_CFG_TX_OP_ALLOW_OFDM	FIELD32(0x00200000)
+#define MM40_PROT_CFG_TX_OP_ALLOW_MM20	FIELD32(0x00400000)
+#define MM40_PROT_CFG_TX_OP_ALLOW_MM40	FIELD32(0x00800000)
+#define MM40_PROT_CFG_TX_OP_ALLOW_GF20	FIELD32(0x01000000)
+#define MM40_PROT_CFG_TX_OP_ALLOW_GF40	FIELD32(0x02000000)
+#define MM40_PROT_CFG_RTS_TH_EN		FIELD32(0x04000000)
+
+/*
+ * GF20_PROT_CFG: GF20 Protection
+ */
+#define GF20_PROT_CFG			0x1374
+#define GF20_PROT_CFG_PROTECT_RATE	FIELD32(0x0000ffff)
+#define GF20_PROT_CFG_PROTECT_CTRL	FIELD32(0x00030000)
+#define GF20_PROT_CFG_PROTECT_NAV	FIELD32(0x000c0000)
+#define GF20_PROT_CFG_TX_OP_ALLOW_CCK	FIELD32(0x00100000)
+#define GF20_PROT_CFG_TX_OP_ALLOW_OFDM	FIELD32(0x00200000)
+#define GF20_PROT_CFG_TX_OP_ALLOW_MM20	FIELD32(0x00400000)
+#define GF20_PROT_CFG_TX_OP_ALLOW_MM40	FIELD32(0x00800000)
+#define GF20_PROT_CFG_TX_OP_ALLOW_GF20	FIELD32(0x01000000)
+#define GF20_PROT_CFG_TX_OP_ALLOW_GF40	FIELD32(0x02000000)
+#define GF20_PROT_CFG_RTS_TH_EN		FIELD32(0x04000000)
+
+/*
+ * GF40_PROT_CFG: GF40 Protection
+ */
+#define GF40_PROT_CFG			0x1378
+#define GF40_PROT_CFG_PROTECT_RATE	FIELD32(0x0000ffff)
+#define GF40_PROT_CFG_PROTECT_CTRL	FIELD32(0x00030000)
+#define GF40_PROT_CFG_PROTECT_NAV	FIELD32(0x000c0000)
+#define GF40_PROT_CFG_TX_OP_ALLOW_CCK	FIELD32(0x00100000)
+#define GF40_PROT_CFG_TX_OP_ALLOW_OFDM	FIELD32(0x00200000)
+#define GF40_PROT_CFG_TX_OP_ALLOW_MM20	FIELD32(0x00400000)
+#define GF40_PROT_CFG_TX_OP_ALLOW_MM40	FIELD32(0x00800000)
+#define GF40_PROT_CFG_TX_OP_ALLOW_GF20	FIELD32(0x01000000)
+#define GF40_PROT_CFG_TX_OP_ALLOW_GF40	FIELD32(0x02000000)
+#define GF40_PROT_CFG_RTS_TH_EN		FIELD32(0x04000000)
+
+/*
+ * EXP_CTS_TIME:
+ */
+#define EXP_CTS_TIME			0x137c
+
+/*
+ * EXP_ACK_TIME:
+ */
+#define EXP_ACK_TIME			0x1380
+
+/*
+ * RX_FILTER_CFG: RX configuration register.
+ */
+#define RX_FILTER_CFG			0x1400
+#define RX_FILTER_CFG_DROP_CRC_ERROR	FIELD32(0x00000001)
+#define RX_FILTER_CFG_DROP_PHY_ERROR	FIELD32(0x00000002)
+#define RX_FILTER_CFG_DROP_NOT_TO_ME	FIELD32(0x00000004)
+#define RX_FILTER_CFG_DROP_NOT_MY_BSSD	FIELD32(0x00000008)
+#define RX_FILTER_CFG_DROP_VER_ERROR	FIELD32(0x00000010)
+#define RX_FILTER_CFG_DROP_MULTICAST	FIELD32(0x00000020)
+#define RX_FILTER_CFG_DROP_BROADCAST	FIELD32(0x00000040)
+#define RX_FILTER_CFG_DROP_DUPLICATE	FIELD32(0x00000080)
+#define RX_FILTER_CFG_DROP_CF_END_ACK	FIELD32(0x00000100)
+#define RX_FILTER_CFG_DROP_CF_END	FIELD32(0x00000200)
+#define RX_FILTER_CFG_DROP_ACK		FIELD32(0x00000400)
+#define RX_FILTER_CFG_DROP_CTS		FIELD32(0x00000800)
+#define RX_FILTER_CFG_DROP_RTS		FIELD32(0x00001000)
+#define RX_FILTER_CFG_DROP_PSPOLL	FIELD32(0x00002000)
+#define RX_FILTER_CFG_DROP_BA		FIELD32(0x00004000)
+#define RX_FILTER_CFG_DROP_BAR		FIELD32(0x00008000)
+#define RX_FILTER_CFG_DROP_CNTL		FIELD32(0x00010000)
+
+/*
+ * AUTO_RSP_CFG:
+ * AUTORESPONDER: 0: disable, 1: enable
+ * BAC_ACK_POLICY: 0:long, 1:short preamble
+ * CTS_40_MMODE: Response CTS 40MHz duplicate mode
+ * CTS_40_MREF: Response CTS 40MHz duplicate mode
+ * AR_PREAMBLE: Auto responder preamble 0:long, 1:short preamble
+ * DUAL_CTS_EN: Power bit value in control frame
+ * ACK_CTS_PSM_BIT:Power bit value in control frame
+ */
+#define AUTO_RSP_CFG			0x1404
+#define AUTO_RSP_CFG_AUTORESPONDER	FIELD32(0x00000001)
+#define AUTO_RSP_CFG_BAC_ACK_POLICY	FIELD32(0x00000002)
+#define AUTO_RSP_CFG_CTS_40_MMODE	FIELD32(0x00000004)
+#define AUTO_RSP_CFG_CTS_40_MREF	FIELD32(0x00000008)
+#define AUTO_RSP_CFG_AR_PREAMBLE	FIELD32(0x00000010)
+#define AUTO_RSP_CFG_DUAL_CTS_EN	FIELD32(0x00000040)
+#define AUTO_RSP_CFG_ACK_CTS_PSM_BIT	FIELD32(0x00000080)
+
+/*
+ * LEGACY_BASIC_RATE:
+ */
+#define LEGACY_BASIC_RATE		0x1408
+
+/*
+ * HT_BASIC_RATE:
+ */
+#define HT_BASIC_RATE			0x140c
+
+/*
+ * HT_CTRL_CFG:
+ */
+#define HT_CTRL_CFG			0x1410
+
+/*
+ * SIFS_COST_CFG:
+ */
+#define SIFS_COST_CFG			0x1414
+
+/*
+ * RX_PARSER_CFG:
+ * Set NAV for all received frames
+ */
+#define RX_PARSER_CFG			0x1418
+
+/*
+ * TX_SEC_CNT0:
+ */
+#define TX_SEC_CNT0			0x1500
+
+/*
+ * RX_SEC_CNT0:
+ */
+#define RX_SEC_CNT0			0x1504
+
+/*
+ * CCMP_FC_MUTE:
+ */
+#define CCMP_FC_MUTE			0x1508
+
+/*
+ * TXOP_HLDR_ADDR0:
+ */
+#define TXOP_HLDR_ADDR0			0x1600
+
+/*
+ * TXOP_HLDR_ADDR1:
+ */
+#define TXOP_HLDR_ADDR1			0x1604
+
+/*
+ * TXOP_HLDR_ET:
+ */
+#define TXOP_HLDR_ET			0x1608
+
+/*
+ * QOS_CFPOLL_RA_DW0:
+ */
+#define QOS_CFPOLL_RA_DW0		0x160c
+
+/*
+ * QOS_CFPOLL_RA_DW1:
+ */
+#define QOS_CFPOLL_RA_DW1		0x1610
+
+/*
+ * QOS_CFPOLL_QC:
+ */
+#define QOS_CFPOLL_QC			0x1614
+
+/*
+ * RX_STA_CNT0: RX PLCP error count & RX CRC error count
+ */
+#define RX_STA_CNT0			0x1700
+#define RX_STA_CNT0_CRC_ERR		FIELD32(0x0000ffff)
+#define RX_STA_CNT0_PHY_ERR		FIELD32(0xffff0000)
+
+/*
+ * RX_STA_CNT1: RX False CCA count & RX LONG frame count
+ */
+#define RX_STA_CNT1			0x1704
+#define RX_STA_CNT1_FALSE_CCA		FIELD32(0x0000ffff)
+#define RX_STA_CNT1_PLCP_ERR		FIELD32(0xffff0000)
+
+/*
+ * RX_STA_CNT2:
+ */
+#define RX_STA_CNT2			0x1708
+#define RX_STA_CNT2_RX_DUPLI_COUNT	FIELD32(0x0000ffff)
+#define RX_STA_CNT2_RX_FIFO_OVERFLOW	FIELD32(0xffff0000)
+
+/*
+ * TX_STA_CNT0: TX Beacon count
+ */
+#define TX_STA_CNT0			0x170c
+#define TX_STA_CNT0_TX_FAIL_COUNT	FIELD32(0x0000ffff)
+#define TX_STA_CNT0_TX_BEACON_COUNT	FIELD32(0xffff0000)
+
+/*
+ * TX_STA_CNT1: TX tx count
+ */
+#define TX_STA_CNT1			0x1710
+#define TX_STA_CNT1_TX_SUCCESS		FIELD32(0x0000ffff)
+#define TX_STA_CNT1_TX_RETRANSMIT	FIELD32(0xffff0000)
+
+/*
+ * TX_STA_CNT2: TX tx count
+ */
+#define TX_STA_CNT2			0x1714
+#define TX_STA_CNT2_TX_ZERO_LEN_COUNT	FIELD32(0x0000ffff)
+#define TX_STA_CNT2_TX_UNDER_FLOW_COUNT	FIELD32(0xffff0000)
+
+/*
+ * TX_STA_FIFO: TX Result for specific PID status fifo register
+ */
+#define TX_STA_FIFO			0x1718
+#define TX_STA_FIFO_VALID		FIELD32(0x00000001)
+#define TX_STA_FIFO_PID_TYPE		FIELD32(0x0000001e)
+#define TX_STA_FIFO_TX_SUCCESS		FIELD32(0x00000020)
+#define TX_STA_FIFO_TX_AGGRE		FIELD32(0x00000040)
+#define TX_STA_FIFO_TX_ACK_REQUIRED	FIELD32(0x00000080)
+#define TX_STA_FIFO_WCID		FIELD32(0x0000ff00)
+#define TX_STA_FIFO_SUCCESS_RATE	FIELD32(0xffff0000)
+#define TX_STA_FIFO_MCS			FIELD32(0x007f0000)
+#define TX_STA_FIFO_PHYMODE		FIELD32(0xc0000000)
+
+/*
+ * TX_AGG_CNT: Debug counter
+ */
+#define TX_AGG_CNT			0x171c
+#define TX_AGG_CNT_NON_AGG_TX_COUNT	FIELD32(0x0000ffff)
+#define TX_AGG_CNT_AGG_TX_COUNT		FIELD32(0xffff0000)
+
+/*
+ * TX_AGG_CNT0:
+ */
+#define TX_AGG_CNT0			0x1720
+#define TX_AGG_CNT0_AGG_SIZE_1_COUNT	FIELD32(0x0000ffff)
+#define TX_AGG_CNT0_AGG_SIZE_2_COUNT	FIELD32(0xffff0000)
+
+/*
+ * TX_AGG_CNT1:
+ */
+#define TX_AGG_CNT1			0x1724
+#define TX_AGG_CNT1_AGG_SIZE_3_COUNT	FIELD32(0x0000ffff)
+#define TX_AGG_CNT1_AGG_SIZE_4_COUNT	FIELD32(0xffff0000)
+
+/*
+ * TX_AGG_CNT2:
+ */
+#define TX_AGG_CNT2			0x1728
+#define TX_AGG_CNT2_AGG_SIZE_5_COUNT	FIELD32(0x0000ffff)
+#define TX_AGG_CNT2_AGG_SIZE_6_COUNT	FIELD32(0xffff0000)
+
+/*
+ * TX_AGG_CNT3:
+ */
+#define TX_AGG_CNT3			0x172c
+#define TX_AGG_CNT3_AGG_SIZE_7_COUNT	FIELD32(0x0000ffff)
+#define TX_AGG_CNT3_AGG_SIZE_8_COUNT	FIELD32(0xffff0000)
+
+/*
+ * TX_AGG_CNT4:
+ */
+#define TX_AGG_CNT4			0x1730
+#define TX_AGG_CNT4_AGG_SIZE_9_COUNT	FIELD32(0x0000ffff)
+#define TX_AGG_CNT4_AGG_SIZE_10_COUNT	FIELD32(0xffff0000)
+
+/*
+ * TX_AGG_CNT5:
+ */
+#define TX_AGG_CNT5			0x1734
+#define TX_AGG_CNT5_AGG_SIZE_11_COUNT	FIELD32(0x0000ffff)
+#define TX_AGG_CNT5_AGG_SIZE_12_COUNT	FIELD32(0xffff0000)
+
+/*
+ * TX_AGG_CNT6:
+ */
+#define TX_AGG_CNT6			0x1738
+#define TX_AGG_CNT6_AGG_SIZE_13_COUNT	FIELD32(0x0000ffff)
+#define TX_AGG_CNT6_AGG_SIZE_14_COUNT	FIELD32(0xffff0000)
+
+/*
+ * TX_AGG_CNT7:
+ */
+#define TX_AGG_CNT7			0x173c
+#define TX_AGG_CNT7_AGG_SIZE_15_COUNT	FIELD32(0x0000ffff)
+#define TX_AGG_CNT7_AGG_SIZE_16_COUNT	FIELD32(0xffff0000)
+
+/*
+ * MPDU_DENSITY_CNT:
+ * TX_ZERO_DEL: TX zero length delimiter count
+ * RX_ZERO_DEL: RX zero length delimiter count
+ */
+#define MPDU_DENSITY_CNT		0x1740
+#define MPDU_DENSITY_CNT_TX_ZERO_DEL	FIELD32(0x0000ffff)
+#define MPDU_DENSITY_CNT_RX_ZERO_DEL	FIELD32(0xffff0000)
+
+/*
+ * Security key table memory.
+ * MAC_WCID_BASE: 8-bytes (use only 6 bytes) * 256 entry
+ * PAIRWISE_KEY_TABLE_BASE: 32-byte * 256 entry
+ * MAC_IVEIV_TABLE_BASE: 8-byte * 256-entry
+ * MAC_WCID_ATTRIBUTE_BASE: 4-byte * 256-entry
+ * SHARED_KEY_TABLE_BASE: 32 bytes * 32-entry
+ * SHARED_KEY_MODE_BASE: 4 bits * 32-entry
+ */
+#define MAC_WCID_BASE			0x1800
+#define PAIRWISE_KEY_TABLE_BASE		0x4000
+#define MAC_IVEIV_TABLE_BASE		0x6000
+#define MAC_WCID_ATTRIBUTE_BASE		0x6800
+#define SHARED_KEY_TABLE_BASE		0x6c00
+#define SHARED_KEY_MODE_BASE		0x7000
+
+#define MAC_WCID_ENTRY(__idx) \
+	( MAC_WCID_BASE + ((__idx) * sizeof(struct mac_wcid_entry)) )
+#define PAIRWISE_KEY_ENTRY(__idx) \
+	( PAIRWISE_KEY_TABLE_BASE + ((__idx) * sizeof(struct hw_key_entry)) )
+#define MAC_IVEIV_ENTRY(__idx) \
+	( MAC_IVEIV_TABLE_BASE + ((__idx) & sizeof(struct mac_iveiv_entry)) )
+#define MAC_WCID_ATTR_ENTRY(__idx) \
+	( MAC_WCID_ATTRIBUTE_BASE + ((__idx) * sizeof(u32)) )
+#define SHARED_KEY_ENTRY(__idx) \
+	( SHARED_KEY_TABLE_BASE + ((__idx) * sizeof(struct hw_key_entry)) )
+#define SHARED_KEY_MODE_ENTRY(__idx) \
+	( SHARED_KEY_MODE_BASE + ((__idx) * sizeof(u32)) )
+
+struct mac_wcid_entry {
+	u8 mac[6];
+	u8 reserved[2];
+} __attribute__ ((packed));
+
+struct hw_key_entry {
+	u8 key[16];
+	u8 tx_mic[8];
+	u8 rx_mic[8];
+} __attribute__ ((packed));
+
+struct mac_iveiv_entry {
+	u8 iv[8];
+} __attribute__ ((packed));
+
+/*
+ * MAC_WCID_ATTRIBUTE:
+ */
+#define MAC_WCID_ATTRIBUTE_KEYTAB	FIELD32(0x00000001)
+#define MAC_WCID_ATTRIBUTE_CIPHER	FIELD32(0x0000000e)
+#define MAC_WCID_ATTRIBUTE_BSS_IDX	FIELD32(0x00000070)
+#define MAC_WCID_ATTRIBUTE_RX_WIUDF	FIELD32(0x00000380)
+
+/*
+ * SHARED_KEY_MODE:
+ */
+#define SHARED_KEY_MODE_BSS0_KEY0	FIELD32(0x00000007)
+#define SHARED_KEY_MODE_BSS0_KEY1	FIELD32(0x00000070)
+#define SHARED_KEY_MODE_BSS0_KEY2	FIELD32(0x00000700)
+#define SHARED_KEY_MODE_BSS0_KEY3	FIELD32(0x00007000)
+#define SHARED_KEY_MODE_BSS1_KEY0	FIELD32(0x00070000)
+#define SHARED_KEY_MODE_BSS1_KEY1	FIELD32(0x00700000)
+#define SHARED_KEY_MODE_BSS1_KEY2	FIELD32(0x07000000)
+#define SHARED_KEY_MODE_BSS1_KEY3	FIELD32(0x70000000)
+
+/*
+ * HOST-MCU communication
+ */
+
+/*
+ * H2M_MAILBOX_CSR: Host-to-MCU Mailbox.
+ */
+#define H2M_MAILBOX_CSR			0x7010
+#define H2M_MAILBOX_CSR_ARG0		FIELD32(0x000000ff)
+#define H2M_MAILBOX_CSR_ARG1		FIELD32(0x0000ff00)
+#define H2M_MAILBOX_CSR_CMD_TOKEN	FIELD32(0x00ff0000)
+#define H2M_MAILBOX_CSR_OWNER		FIELD32(0xff000000)
+
+/*
+ * H2M_MAILBOX_CID:
+ */
+#define H2M_MAILBOX_CID			0x7014
+#define H2M_MAILBOX_CID_CMD0		FIELD32(0x000000ff)
+#define H2M_MAILBOX_CID_CMD1		FIELD32(0x0000ff00)
+#define H2M_MAILBOX_CID_CMD2		FIELD32(0x00ff0000)
+#define H2M_MAILBOX_CID_CMD3		FIELD32(0xff000000)
+
+/*
+ * H2M_MAILBOX_STATUS:
+ */
+#define H2M_MAILBOX_STATUS		0x701c
+
+/*
+ * H2M_INT_SRC:
+ */
+#define H2M_INT_SRC			0x7024
+
+/*
+ * H2M_BBP_AGENT:
+ */
+#define H2M_BBP_AGENT			0x7028
+
+/*
+ * MCU_LEDCS: LED control for MCU Mailbox.
+ */
+#define MCU_LEDCS_LED_MODE		FIELD8(0x1f)
+#define MCU_LEDCS_POLARITY		FIELD8(0x01)
+
+/*
+ * HW_CS_CTS_BASE:
+ * Carrier-sense CTS frame base address.
+ * It's where mac stores carrier-sense frame for carrier-sense function.
+ */
+#define HW_CS_CTS_BASE			0x7700
+
+/*
+ * HW_DFS_CTS_BASE:
+ * FS CTS frame base address. It's where mac stores CTS frame for DFS.
+ */
+#define HW_DFS_CTS_BASE			0x7780
+
+/*
+ * TXRX control registers - base address 0x3000
+ */
+
+/*
+ * TXRX_CSR1:
+ * rt2860b  UNKNOWN reg use R/O Reg Addr 0x77d0 first..
+ */
+#define TXRX_CSR1			0x77d0
+
+/*
+ * HW_DEBUG_SETTING_BASE:
+ * since NULL frame won't be that long (256 byte)
+ * We steal 16 tail bytes to save debugging settings
+ */
+#define HW_DEBUG_SETTING_BASE		0x77f0
+#define HW_DEBUG_SETTING_BASE2		0x7770
+
+/*
+ * HW_BEACON_BASE
+ * In order to support maximum 8 MBSS and its maximum length
+ * is 512 bytes for each beacon
+ * Three section discontinue memory segments will be used.
+ * 1. The original region for BCN 0~3
+ * 2. Extract memory from FCE table for BCN 4~5
+ * 3. Extract memory from Pair-wise key table for BCN 6~7
+ *    It occupied those memory of wcid 238~253 for BCN 6
+ *    and wcid 222~237 for BCN 7
+ *
+ * IMPORTANT NOTE: Not sure why legacy driver does this,
+ * but HW_BEACON_BASE7 is 0x0200 bytes below HW_BEACON_BASE6.
+ */
+#define HW_BEACON_BASE0			0x7800
+#define HW_BEACON_BASE1			0x7a00
+#define HW_BEACON_BASE2			0x7c00
+#define HW_BEACON_BASE3			0x7e00
+#define HW_BEACON_BASE4			0x7200
+#define HW_BEACON_BASE5			0x7400
+#define HW_BEACON_BASE6			0x5dc0
+#define HW_BEACON_BASE7			0x5bc0
+
+#define HW_BEACON_OFFSET(__index) \
+	( ((__index) < 4) ? ( HW_BEACON_BASE0 + (__index * 0x0200) ) : \
+	  (((__index) < 6) ? ( HW_BEACON_BASE4 + ((__index - 4) * 0x0200) ) : \
+	  (HW_BEACON_BASE6 - ((__index - 6) * 0x0200))) )
+
+/*
+ * BBP registers.
+ * The wordsize of the BBP is 8 bits.
+ */
+
+/*
+ * BBP 1: TX Antenna
+ */
+#define BBP1_TX_POWER			FIELD8(0x07)
+#define BBP1_TX_ANTENNA			FIELD8(0x18)
+
+/*
+ * BBP 3: RX Antenna
+ */
+#define BBP3_RX_ANTENNA			FIELD8(0x18)
+#define BBP3_HT40_PLUS			FIELD8(0x20)
+
+/*
+ * BBP 4: Bandwidth
+ */
+#define BBP4_TX_BF			FIELD8(0x01)
+#define BBP4_BANDWIDTH			FIELD8(0x18)
+
+/*
+ * RFCSR registers
+ * The wordsize of the RFCSR is 8 bits.
+ */
+
+/*
+ * RFCSR 6:
+ */
+#define RFCSR6_R			FIELD8(0x03)
+
+/*
+ * RFCSR 7:
+ */
+#define RFCSR7_RF_TUNING		FIELD8(0x01)
+
+/*
+ * RFCSR 12:
+ */
+#define RFCSR12_TX_POWER		FIELD8(0x1f)
+
+/*
+ * RFCSR 22:
+ */
+#define RFCSR22_BASEBAND_LOOPBACK	FIELD8(0x01)
+
+/*
+ * RFCSR 23:
+ */
+#define RFCSR23_FREQ_OFFSET		FIELD8(0x7f)
+
+/*
+ * RFCSR 30:
+ */
+#define RFCSR30_RF_CALIBRATION		FIELD8(0x80)
+
+/*
+ * RF registers
+ */
+
+/*
+ * RF 2
+ */
+#define RF2_ANTENNA_RX2			FIELD32(0x00000040)
+#define RF2_ANTENNA_TX1			FIELD32(0x00004000)
+#define RF2_ANTENNA_RX1			FIELD32(0x00020000)
+
+/*
+ * RF 3
+ */
+#define RF3_TXPOWER_G			FIELD32(0x00003e00)
+#define RF3_TXPOWER_A_7DBM_BOOST	FIELD32(0x00000200)
+#define RF3_TXPOWER_A			FIELD32(0x00003c00)
+
+/*
+ * RF 4
+ */
+#define RF4_TXPOWER_G			FIELD32(0x000007c0)
+#define RF4_TXPOWER_A_7DBM_BOOST	FIELD32(0x00000040)
+#define RF4_TXPOWER_A			FIELD32(0x00000780)
+#define RF4_FREQ_OFFSET			FIELD32(0x001f8000)
+#define RF4_HT40			FIELD32(0x00200000)
+
+/*
+ * EEPROM content.
+ * The wordsize of the EEPROM is 16 bits.
+ */
+
+/*
+ * EEPROM Version
+ */
+#define EEPROM_VERSION			0x0001
+#define EEPROM_VERSION_FAE		FIELD16(0x00ff)
+#define EEPROM_VERSION_VERSION		FIELD16(0xff00)
+
+/*
+ * HW MAC address.
+ */
+#define EEPROM_MAC_ADDR_0		0x0002
+#define EEPROM_MAC_ADDR_BYTE0		FIELD16(0x00ff)
+#define EEPROM_MAC_ADDR_BYTE1		FIELD16(0xff00)
+#define EEPROM_MAC_ADDR_1		0x0003
+#define EEPROM_MAC_ADDR_BYTE2		FIELD16(0x00ff)
+#define EEPROM_MAC_ADDR_BYTE3		FIELD16(0xff00)
+#define EEPROM_MAC_ADDR_2		0x0004
+#define EEPROM_MAC_ADDR_BYTE4		FIELD16(0x00ff)
+#define EEPROM_MAC_ADDR_BYTE5		FIELD16(0xff00)
+
+/*
+ * EEPROM ANTENNA config
+ * RXPATH: 1: 1R, 2: 2R, 3: 3R
+ * TXPATH: 1: 1T, 2: 2T
+ */
+#define	EEPROM_ANTENNA			0x001a
+#define EEPROM_ANTENNA_RXPATH		FIELD16(0x000f)
+#define EEPROM_ANTENNA_TXPATH		FIELD16(0x00f0)
+#define EEPROM_ANTENNA_RF_TYPE		FIELD16(0x0f00)
+
+/*
+ * EEPROM NIC config
+ * CARDBUS_ACCEL: 0 - enable, 1 - disable
+ */
+#define	EEPROM_NIC			0x001b
+#define EEPROM_NIC_HW_RADIO		FIELD16(0x0001)
+#define EEPROM_NIC_DYNAMIC_TX_AGC	FIELD16(0x0002)
+#define EEPROM_NIC_EXTERNAL_LNA_BG	FIELD16(0x0004)
+#define EEPROM_NIC_EXTERNAL_LNA_A	FIELD16(0x0008)
+#define EEPROM_NIC_CARDBUS_ACCEL	FIELD16(0x0010)
+#define EEPROM_NIC_BW40M_SB_BG		FIELD16(0x0020)
+#define EEPROM_NIC_BW40M_SB_A		FIELD16(0x0040)
+#define EEPROM_NIC_WPS_PBC		FIELD16(0x0080)
+#define EEPROM_NIC_BW40M_BG		FIELD16(0x0100)
+#define EEPROM_NIC_BW40M_A		FIELD16(0x0200)
+
+/*
+ * EEPROM frequency
+ */
+#define	EEPROM_FREQ			0x001d
+#define EEPROM_FREQ_OFFSET		FIELD16(0x00ff)
+#define EEPROM_FREQ_LED_MODE		FIELD16(0x7f00)
+#define EEPROM_FREQ_LED_POLARITY	FIELD16(0x1000)
+
+/*
+ * EEPROM LED
+ * POLARITY_RDY_G: Polarity RDY_G setting.
+ * POLARITY_RDY_A: Polarity RDY_A setting.
+ * POLARITY_ACT: Polarity ACT setting.
+ * POLARITY_GPIO_0: Polarity GPIO0 setting.
+ * POLARITY_GPIO_1: Polarity GPIO1 setting.
+ * POLARITY_GPIO_2: Polarity GPIO2 setting.
+ * POLARITY_GPIO_3: Polarity GPIO3 setting.
+ * POLARITY_GPIO_4: Polarity GPIO4 setting.
+ * LED_MODE: Led mode.
+ */
+#define EEPROM_LED1			0x001e
+#define EEPROM_LED2			0x001f
+#define EEPROM_LED3			0x0020
+#define EEPROM_LED_POLARITY_RDY_BG	FIELD16(0x0001)
+#define EEPROM_LED_POLARITY_RDY_A	FIELD16(0x0002)
+#define EEPROM_LED_POLARITY_ACT		FIELD16(0x0004)
+#define EEPROM_LED_POLARITY_GPIO_0	FIELD16(0x0008)
+#define EEPROM_LED_POLARITY_GPIO_1	FIELD16(0x0010)
+#define EEPROM_LED_POLARITY_GPIO_2	FIELD16(0x0020)
+#define EEPROM_LED_POLARITY_GPIO_3	FIELD16(0x0040)
+#define EEPROM_LED_POLARITY_GPIO_4	FIELD16(0x0080)
+#define EEPROM_LED_LED_MODE		FIELD16(0x1f00)
+
+/*
+ * EEPROM LNA
+ */
+#define EEPROM_LNA			0x0022
+#define EEPROM_LNA_BG			FIELD16(0x00ff)
+#define EEPROM_LNA_A0			FIELD16(0xff00)
+
+/*
+ * EEPROM RSSI BG offset
+ */
+#define EEPROM_RSSI_BG			0x0023
+#define EEPROM_RSSI_BG_OFFSET0		FIELD16(0x00ff)
+#define EEPROM_RSSI_BG_OFFSET1		FIELD16(0xff00)
+
+/*
+ * EEPROM RSSI BG2 offset
+ */
+#define EEPROM_RSSI_BG2			0x0024
+#define EEPROM_RSSI_BG2_OFFSET2		FIELD16(0x00ff)
+#define EEPROM_RSSI_BG2_LNA_A1		FIELD16(0xff00)
+
+/*
+ * EEPROM RSSI A offset
+ */
+#define EEPROM_RSSI_A			0x0025
+#define EEPROM_RSSI_A_OFFSET0		FIELD16(0x00ff)
+#define EEPROM_RSSI_A_OFFSET1		FIELD16(0xff00)
+
+/*
+ * EEPROM RSSI A2 offset
+ */
+#define EEPROM_RSSI_A2			0x0026
+#define EEPROM_RSSI_A2_OFFSET2		FIELD16(0x00ff)
+#define EEPROM_RSSI_A2_LNA_A2		FIELD16(0xff00)
+
+/*
+ * EEPROM TXpower delta: 20MHZ AND 40 MHZ use different power.
+ *	This is delta in 40MHZ.
+ * VALUE: Tx Power dalta value (MAX=4)
+ * TYPE: 1: Plus the delta value, 0: minus the delta value
+ * TXPOWER: Enable:
+ */
+#define EEPROM_TXPOWER_DELTA		0x0028
+#define EEPROM_TXPOWER_DELTA_VALUE	FIELD16(0x003f)
+#define EEPROM_TXPOWER_DELTA_TYPE	FIELD16(0x0040)
+#define EEPROM_TXPOWER_DELTA_TXPOWER	FIELD16(0x0080)
+
+/*
+ * EEPROM TXPOWER 802.11BG
+ */
+#define	EEPROM_TXPOWER_BG1		0x0029
+#define	EEPROM_TXPOWER_BG2		0x0030
+#define EEPROM_TXPOWER_BG_SIZE		7
+#define EEPROM_TXPOWER_BG_1		FIELD16(0x00ff)
+#define EEPROM_TXPOWER_BG_2		FIELD16(0xff00)
+
+/*
+ * EEPROM TXPOWER 802.11A
+ */
+#define EEPROM_TXPOWER_A1		0x003c
+#define EEPROM_TXPOWER_A2		0x0053
+#define EEPROM_TXPOWER_A_SIZE		6
+#define EEPROM_TXPOWER_A_1		FIELD16(0x00ff)
+#define EEPROM_TXPOWER_A_2		FIELD16(0xff00)
+
+/*
+ * EEPROM TXpower byrate: 20MHZ power
+ */
+#define EEPROM_TXPOWER_BYRATE		0x006f
+
+/*
+ * EEPROM BBP.
+ */
+#define	EEPROM_BBP_START		0x0078
+#define EEPROM_BBP_SIZE			16
+#define EEPROM_BBP_VALUE		FIELD16(0x00ff)
+#define EEPROM_BBP_REG_ID		FIELD16(0xff00)
+
+/*
+ * MCU mailbox commands.
+ */
+#define MCU_SLEEP			0x30
+#define MCU_WAKEUP			0x31
+#define MCU_RADIO_OFF			0x35
+#define MCU_CURRENT			0x36
+#define MCU_LED				0x50
+#define MCU_LED_STRENGTH		0x51
+#define MCU_LED_1			0x52
+#define MCU_LED_2			0x53
+#define MCU_LED_3			0x54
+#define MCU_RADAR			0x60
+#define MCU_BOOT_SIGNAL			0x72
+#define MCU_BBP_SIGNAL			0x80
+#define MCU_POWER_SAVE			0x83
+
+/*
+ * MCU mailbox tokens
+ */
+#define TOKEN_WAKUP			3
+
+/*
+ * DMA descriptor defines.
+ */
+#define TXWI_DESC_SIZE			( 4 * sizeof(__le32) )
+#define RXWI_DESC_SIZE			( 4 * sizeof(__le32) )
+
+/*
+ * TX WI structure
+ */
+
+/*
+ * Word0
+ * FRAG: 1 To inform TKIP engine this is a fragment.
+ * MIMO_PS: The remote peer is in dynamic MIMO-PS mode
+ * TX_OP: 0:HT TXOP rule , 1:PIFS TX ,2:Backoff, 3:sifs
+ * BW: Channel bandwidth 20MHz or 40 MHz
+ * STBC: 1: STBC support MCS =0-7, 2,3 : RESERVED
+ */
+#define TXWI_W0_FRAG			FIELD32(0x00000001)
+#define TXWI_W0_MIMO_PS			FIELD32(0x00000002)
+#define TXWI_W0_CF_ACK			FIELD32(0x00000004)
+#define TXWI_W0_TS			FIELD32(0x00000008)
+#define TXWI_W0_AMPDU			FIELD32(0x00000010)
+#define TXWI_W0_MPDU_DENSITY		FIELD32(0x000000e0)
+#define TXWI_W0_TX_OP			FIELD32(0x00000300)
+#define TXWI_W0_MCS			FIELD32(0x007f0000)
+#define TXWI_W0_BW			FIELD32(0x00800000)
+#define TXWI_W0_SHORT_GI		FIELD32(0x01000000)
+#define TXWI_W0_STBC			FIELD32(0x06000000)
+#define TXWI_W0_IFS			FIELD32(0x08000000)
+#define TXWI_W0_PHYMODE			FIELD32(0xc0000000)
+
+/*
+ * Word1
+ */
+#define TXWI_W1_ACK			FIELD32(0x00000001)
+#define TXWI_W1_NSEQ			FIELD32(0x00000002)
+#define TXWI_W1_BW_WIN_SIZE		FIELD32(0x000000fc)
+#define TXWI_W1_WIRELESS_CLI_ID		FIELD32(0x0000ff00)
+#define TXWI_W1_MPDU_TOTAL_BYTE_COUNT	FIELD32(0x0fff0000)
+#define TXWI_W1_PACKETID		FIELD32(0xf0000000)
+
+/*
+ * Word2
+ */
+#define TXWI_W2_IV			FIELD32(0xffffffff)
+
+/*
+ * Word3
+ */
+#define TXWI_W3_EIV			FIELD32(0xffffffff)
+
+/*
+ * RX WI structure
+ */
+
+/*
+ * Word0
+ */
+#define RXWI_W0_WIRELESS_CLI_ID		FIELD32(0x000000ff)
+#define RXWI_W0_KEY_INDEX		FIELD32(0x00000300)
+#define RXWI_W0_BSSID			FIELD32(0x00001c00)
+#define RXWI_W0_UDF			FIELD32(0x0000e000)
+#define RXWI_W0_MPDU_TOTAL_BYTE_COUNT	FIELD32(0x0fff0000)
+#define RXWI_W0_TID			FIELD32(0xf0000000)
+
+/*
+ * Word1
+ */
+#define RXWI_W1_FRAG			FIELD32(0x0000000f)
+#define RXWI_W1_SEQUENCE		FIELD32(0x0000fff0)
+#define RXWI_W1_MCS			FIELD32(0x007f0000)
+#define RXWI_W1_BW			FIELD32(0x00800000)
+#define RXWI_W1_SHORT_GI		FIELD32(0x01000000)
+#define RXWI_W1_STBC			FIELD32(0x06000000)
+#define RXWI_W1_PHYMODE			FIELD32(0xc0000000)
+
+/*
+ * Word2
+ */
+#define RXWI_W2_RSSI0			FIELD32(0x000000ff)
+#define RXWI_W2_RSSI1			FIELD32(0x0000ff00)
+#define RXWI_W2_RSSI2			FIELD32(0x00ff0000)
+
+/*
+ * Word3
+ */
+#define RXWI_W3_SNR0			FIELD32(0x000000ff)
+#define RXWI_W3_SNR1			FIELD32(0x0000ff00)
+
+/*
+ * Macros for converting txpower from EEPROM to mac80211 value
+ * and from mac80211 value to register value.
+ */
+#define MIN_G_TXPOWER	0
+#define MIN_A_TXPOWER	-7
+#define MAX_G_TXPOWER	31
+#define MAX_A_TXPOWER	15
+#define DEFAULT_TXPOWER	5
+
+#define TXPOWER_G_FROM_DEV(__txpower) \
+	((__txpower) > MAX_G_TXPOWER) ? DEFAULT_TXPOWER : (__txpower)
+
+#define TXPOWER_G_TO_DEV(__txpower) \
+	clamp_t(char, __txpower, MIN_G_TXPOWER, MAX_G_TXPOWER)
+
+#define TXPOWER_A_FROM_DEV(__txpower) \
+	((__txpower) > MAX_A_TXPOWER) ? DEFAULT_TXPOWER : (__txpower)
+
+#define TXPOWER_A_TO_DEV(__txpower) \
+	clamp_t(char, __txpower, MIN_A_TXPOWER, MAX_A_TXPOWER)
+
+#endif /* RT2800_H */
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 9017ea64d01..cae772ea568 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -38,6 +38,7 @@
 #include "rt2x00pci.h"
 #include "rt2x00soc.h"
 #include "rt2800lib.h"
+#include "rt2800.h"
 #include "rt2800pci.h"
 
 #ifdef CONFIG_RT2800PCI_PCI_MODULE
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.h b/drivers/net/wireless/rt2x00/rt2800pci.h
index 85690881522..1dbf13270cd 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.h
+++ b/drivers/net/wireless/rt2x00/rt2800pci.h
@@ -28,1463 +28,60 @@
 #define RT2800PCI_H
 
 /*
- * RF chip defines.
- *
- * RF2820 2.4G 2T3R
- * RF2850 2.4G/5G 2T3R
- * RF2720 2.4G 1T2R
- * RF2750 2.4G/5G 1T2R
- * RF3020 2.4G 1T1R
- * RF2020 2.4G B/G
- * RF3021 2.4G 1T2R
- * RF3022 2.4G 2T2R
- * RF3052 2.4G 2T2R
- */
-#define RF2820				0x0001
-#define RF2850				0x0002
-#define RF2720				0x0003
-#define RF2750				0x0004
-#define RF3020				0x0005
-#define RF2020				0x0006
-#define RF3021				0x0007
-#define RF3022				0x0008
-#define RF3052				0x0009
-
-/*
- * RT2860 version
- */
-#define RT2860C_VERSION			0x28600100
-#define RT2860D_VERSION			0x28600101
-#define RT2880E_VERSION			0x28720200
-#define RT2883_VERSION			0x28830300
-#define RT3070_VERSION			0x30700200
-
-/*
- * Signal information.
- * Default offset is required for RSSI <-> dBm conversion.
- */
-#define DEFAULT_RSSI_OFFSET		120 /* FIXME */
-
-/*
- * Register layout information.
- */
-#define CSR_REG_BASE			0x1000
-#define CSR_REG_SIZE			0x0800
-#define EEPROM_BASE			0x0000
-#define EEPROM_SIZE			0x0110
-#define BBP_BASE			0x0000
-#define BBP_SIZE			0x0080
-#define RF_BASE				0x0004
-#define RF_SIZE				0x0010
-
-/*
- * Number of TX queues.
- */
-#define NUM_TX_QUEUES			4
-
-/*
- * PCI registers.
- */
-
-/*
- * E2PROM_CSR: EEPROM control register.
- * RELOAD: Write 1 to reload eeprom content.
- * TYPE: 0: 93c46, 1:93c66.
- * LOAD_STATUS: 1:loading, 0:done.
- */
-#define E2PROM_CSR			0x0004
-#define E2PROM_CSR_DATA_CLOCK		FIELD32(0x00000001)
-#define E2PROM_CSR_CHIP_SELECT		FIELD32(0x00000002)
-#define E2PROM_CSR_DATA_IN		FIELD32(0x00000004)
-#define E2PROM_CSR_DATA_OUT		FIELD32(0x00000008)
-#define E2PROM_CSR_TYPE			FIELD32(0x00000030)
-#define E2PROM_CSR_LOAD_STATUS		FIELD32(0x00000040)
-#define E2PROM_CSR_RELOAD		FIELD32(0x00000080)
-
-/*
- * INT_SOURCE_CSR: Interrupt source register.
- * Write one to clear corresponding bit.
- * TX_FIFO_STATUS: FIFO Statistics is full, sw should read 0x171c
- */
-#define INT_SOURCE_CSR			0x0200
-#define INT_SOURCE_CSR_RXDELAYINT	FIELD32(0x00000001)
-#define INT_SOURCE_CSR_TXDELAYINT	FIELD32(0x00000002)
-#define INT_SOURCE_CSR_RX_DONE		FIELD32(0x00000004)
-#define INT_SOURCE_CSR_AC0_DMA_DONE	FIELD32(0x00000008)
-#define INT_SOURCE_CSR_AC1_DMA_DONE	FIELD32(0x00000010)
-#define INT_SOURCE_CSR_AC2_DMA_DONE	FIELD32(0x00000020)
-#define INT_SOURCE_CSR_AC3_DMA_DONE	FIELD32(0x00000040)
-#define INT_SOURCE_CSR_HCCA_DMA_DONE	FIELD32(0x00000080)
-#define INT_SOURCE_CSR_MGMT_DMA_DONE	FIELD32(0x00000100)
-#define INT_SOURCE_CSR_MCU_COMMAND	FIELD32(0x00000200)
-#define INT_SOURCE_CSR_RXTX_COHERENT	FIELD32(0x00000400)
-#define INT_SOURCE_CSR_TBTT		FIELD32(0x00000800)
-#define INT_SOURCE_CSR_PRE_TBTT		FIELD32(0x00001000)
-#define INT_SOURCE_CSR_TX_FIFO_STATUS	FIELD32(0x00002000)
-#define INT_SOURCE_CSR_AUTO_WAKEUP	FIELD32(0x00004000)
-#define INT_SOURCE_CSR_GPTIMER		FIELD32(0x00008000)
-#define INT_SOURCE_CSR_RX_COHERENT	FIELD32(0x00010000)
-#define INT_SOURCE_CSR_TX_COHERENT	FIELD32(0x00020000)
-
-/*
- * INT_MASK_CSR: Interrupt MASK register. 1: the interrupt is mask OFF.
- */
-#define INT_MASK_CSR			0x0204
-#define INT_MASK_CSR_RXDELAYINT		FIELD32(0x00000001)
-#define INT_MASK_CSR_TXDELAYINT		FIELD32(0x00000002)
-#define INT_MASK_CSR_RX_DONE		FIELD32(0x00000004)
-#define INT_MASK_CSR_AC0_DMA_DONE	FIELD32(0x00000008)
-#define INT_MASK_CSR_AC1_DMA_DONE	FIELD32(0x00000010)
-#define INT_MASK_CSR_AC2_DMA_DONE	FIELD32(0x00000020)
-#define INT_MASK_CSR_AC3_DMA_DONE	FIELD32(0x00000040)
-#define INT_MASK_CSR_HCCA_DMA_DONE	FIELD32(0x00000080)
-#define INT_MASK_CSR_MGMT_DMA_DONE	FIELD32(0x00000100)
-#define INT_MASK_CSR_MCU_COMMAND	FIELD32(0x00000200)
-#define INT_MASK_CSR_RXTX_COHERENT	FIELD32(0x00000400)
-#define INT_MASK_CSR_TBTT		FIELD32(0x00000800)
-#define INT_MASK_CSR_PRE_TBTT		FIELD32(0x00001000)
-#define INT_MASK_CSR_TX_FIFO_STATUS	FIELD32(0x00002000)
-#define INT_MASK_CSR_AUTO_WAKEUP	FIELD32(0x00004000)
-#define INT_MASK_CSR_GPTIMER		FIELD32(0x00008000)
-#define INT_MASK_CSR_RX_COHERENT	FIELD32(0x00010000)
-#define INT_MASK_CSR_TX_COHERENT	FIELD32(0x00020000)
-
-/*
- * WPDMA_GLO_CFG
- */
-#define WPDMA_GLO_CFG 			0x0208
-#define WPDMA_GLO_CFG_ENABLE_TX_DMA	FIELD32(0x00000001)
-#define WPDMA_GLO_CFG_TX_DMA_BUSY    	FIELD32(0x00000002)
-#define WPDMA_GLO_CFG_ENABLE_RX_DMA	FIELD32(0x00000004)
-#define WPDMA_GLO_CFG_RX_DMA_BUSY	FIELD32(0x00000008)
-#define WPDMA_GLO_CFG_WP_DMA_BURST_SIZE	FIELD32(0x00000030)
-#define WPDMA_GLO_CFG_TX_WRITEBACK_DONE	FIELD32(0x00000040)
-#define WPDMA_GLO_CFG_BIG_ENDIAN	FIELD32(0x00000080)
-#define WPDMA_GLO_CFG_RX_HDR_SCATTER	FIELD32(0x0000ff00)
-#define WPDMA_GLO_CFG_HDR_SEG_LEN	FIELD32(0xffff0000)
-
-/*
- * WPDMA_RST_IDX
- */
-#define WPDMA_RST_IDX 			0x020c
-#define WPDMA_RST_IDX_DTX_IDX0		FIELD32(0x00000001)
-#define WPDMA_RST_IDX_DTX_IDX1		FIELD32(0x00000002)
-#define WPDMA_RST_IDX_DTX_IDX2		FIELD32(0x00000004)
-#define WPDMA_RST_IDX_DTX_IDX3		FIELD32(0x00000008)
-#define WPDMA_RST_IDX_DTX_IDX4		FIELD32(0x00000010)
-#define WPDMA_RST_IDX_DTX_IDX5		FIELD32(0x00000020)
-#define WPDMA_RST_IDX_DRX_IDX0		FIELD32(0x00010000)
-
-/*
- * DELAY_INT_CFG
- */
-#define DELAY_INT_CFG			0x0210
-#define DELAY_INT_CFG_RXMAX_PTIME	FIELD32(0x000000ff)
-#define DELAY_INT_CFG_RXMAX_PINT	FIELD32(0x00007f00)
-#define DELAY_INT_CFG_RXDLY_INT_EN	FIELD32(0x00008000)
-#define DELAY_INT_CFG_TXMAX_PTIME	FIELD32(0x00ff0000)
-#define DELAY_INT_CFG_TXMAX_PINT	FIELD32(0x7f000000)
-#define DELAY_INT_CFG_TXDLY_INT_EN	FIELD32(0x80000000)
-
-/*
- * WMM_AIFSN_CFG: Aifsn for each EDCA AC
- * AIFSN0: AC_BE
- * AIFSN1: AC_BK
- * AIFSN1: AC_VI
- * AIFSN1: AC_VO
- */
-#define WMM_AIFSN_CFG			0x0214
-#define WMM_AIFSN_CFG_AIFSN0		FIELD32(0x0000000f)
-#define WMM_AIFSN_CFG_AIFSN1		FIELD32(0x000000f0)
-#define WMM_AIFSN_CFG_AIFSN2		FIELD32(0x00000f00)
-#define WMM_AIFSN_CFG_AIFSN3		FIELD32(0x0000f000)
-
-/*
- * WMM_CWMIN_CSR: CWmin for each EDCA AC
- * CWMIN0: AC_BE
- * CWMIN1: AC_BK
- * CWMIN1: AC_VI
- * CWMIN1: AC_VO
- */
-#define WMM_CWMIN_CFG			0x0218
-#define WMM_CWMIN_CFG_CWMIN0		FIELD32(0x0000000f)
-#define WMM_CWMIN_CFG_CWMIN1		FIELD32(0x000000f0)
-#define WMM_CWMIN_CFG_CWMIN2		FIELD32(0x00000f00)
-#define WMM_CWMIN_CFG_CWMIN3		FIELD32(0x0000f000)
-
-/*
- * WMM_CWMAX_CSR: CWmax for each EDCA AC
- * CWMAX0: AC_BE
- * CWMAX1: AC_BK
- * CWMAX1: AC_VI
- * CWMAX1: AC_VO
- */
-#define WMM_CWMAX_CFG			0x021c
-#define WMM_CWMAX_CFG_CWMAX0		FIELD32(0x0000000f)
-#define WMM_CWMAX_CFG_CWMAX1		FIELD32(0x000000f0)
-#define WMM_CWMAX_CFG_CWMAX2		FIELD32(0x00000f00)
-#define WMM_CWMAX_CFG_CWMAX3		FIELD32(0x0000f000)
-
-/*
- * AC_TXOP0: AC_BK/AC_BE TXOP register
- * AC0TXOP: AC_BK in unit of 32us
- * AC1TXOP: AC_BE in unit of 32us
- */
-#define WMM_TXOP0_CFG			0x0220
-#define WMM_TXOP0_CFG_AC0TXOP		FIELD32(0x0000ffff)
-#define WMM_TXOP0_CFG_AC1TXOP		FIELD32(0xffff0000)
-
-/*
- * AC_TXOP1: AC_VO/AC_VI TXOP register
- * AC2TXOP: AC_VI in unit of 32us
- * AC3TXOP: AC_VO in unit of 32us
- */
-#define WMM_TXOP1_CFG			0x0224
-#define WMM_TXOP1_CFG_AC2TXOP		FIELD32(0x0000ffff)
-#define WMM_TXOP1_CFG_AC3TXOP		FIELD32(0xffff0000)
-
-/*
- * GPIO_CTRL_CFG:
- */
-#define GPIO_CTRL_CFG			0x0228
-#define GPIO_CTRL_CFG_BIT0		FIELD32(0x00000001)
-#define GPIO_CTRL_CFG_BIT1		FIELD32(0x00000002)
-#define GPIO_CTRL_CFG_BIT2		FIELD32(0x00000004)
-#define GPIO_CTRL_CFG_BIT3		FIELD32(0x00000008)
-#define GPIO_CTRL_CFG_BIT4		FIELD32(0x00000010)
-#define GPIO_CTRL_CFG_BIT5		FIELD32(0x00000020)
-#define GPIO_CTRL_CFG_BIT6		FIELD32(0x00000040)
-#define GPIO_CTRL_CFG_BIT7		FIELD32(0x00000080)
-#define GPIO_CTRL_CFG_BIT8		FIELD32(0x00000100)
-
-/*
- * MCU_CMD_CFG
- */
-#define MCU_CMD_CFG			0x022c
-
-/*
- * AC_BK register offsets
- */
-#define TX_BASE_PTR0			0x0230
-#define TX_MAX_CNT0			0x0234
-#define TX_CTX_IDX0			0x0238
-#define TX_DTX_IDX0			0x023c
-
-/*
- * AC_BE register offsets
- */
-#define TX_BASE_PTR1			0x0240
-#define TX_MAX_CNT1			0x0244
-#define TX_CTX_IDX1			0x0248
-#define TX_DTX_IDX1			0x024c
-
-/*
- * AC_VI register offsets
- */
-#define TX_BASE_PTR2			0x0250
-#define TX_MAX_CNT2			0x0254
-#define TX_CTX_IDX2			0x0258
-#define TX_DTX_IDX2			0x025c
-
-/*
- * AC_VO register offsets
- */
-#define TX_BASE_PTR3			0x0260
-#define TX_MAX_CNT3			0x0264
-#define TX_CTX_IDX3			0x0268
-#define TX_DTX_IDX3			0x026c
-
-/*
- * HCCA register offsets
- */
-#define TX_BASE_PTR4			0x0270
-#define TX_MAX_CNT4			0x0274
-#define TX_CTX_IDX4			0x0278
-#define TX_DTX_IDX4			0x027c
-
-/*
- * MGMT register offsets
- */
-#define TX_BASE_PTR5			0x0280
-#define TX_MAX_CNT5			0x0284
-#define TX_CTX_IDX5			0x0288
-#define TX_DTX_IDX5			0x028c
-
-/*
- * Queue register offset macros
- */
-#define TX_QUEUE_REG_OFFSET		0x10
-#define TX_BASE_PTR(__x)		TX_BASE_PTR0 + ((__x) * TX_QUEUE_REG_OFFSET)
-#define TX_MAX_CNT(__x)			TX_MAX_CNT0 + ((__x) * TX_QUEUE_REG_OFFSET)
-#define TX_CTX_IDX(__x)			TX_CTX_IDX0 + ((__x) * TX_QUEUE_REG_OFFSET)
-#define TX_DTX_IDX(__x)			TX_DTX_IDX0 + ((__x) * TX_QUEUE_REG_OFFSET)
-
-/*
- * RX register offsets
- */
-#define RX_BASE_PTR			0x0290
-#define RX_MAX_CNT			0x0294
-#define RX_CRX_IDX			0x0298
-#define RX_DRX_IDX			0x029c
-
-/*
- * PBF_SYS_CTRL
- * HOST_RAM_WRITE: enable Host program ram write selection
- */
-#define PBF_SYS_CTRL			0x0400
-#define PBF_SYS_CTRL_READY		FIELD32(0x00000080)
-#define PBF_SYS_CTRL_HOST_RAM_WRITE	FIELD32(0x00010000)
-
-/*
- * HOST-MCU shared memory
- */
-#define HOST_CMD_CSR			0x0404
-#define HOST_CMD_CSR_HOST_COMMAND	FIELD32(0x000000ff)
-
-/*
- * PBF registers
- * Most are for debug. Driver doesn't touch PBF register.
- */
-#define PBF_CFG				0x0408
-#define PBF_MAX_PCNT			0x040c
-#define PBF_CTRL			0x0410
-#define PBF_INT_STA			0x0414
-#define PBF_INT_ENA			0x0418
-
-/*
- * BCN_OFFSET0:
- */
-#define BCN_OFFSET0			0x042c
-#define BCN_OFFSET0_BCN0		FIELD32(0x000000ff)
-#define BCN_OFFSET0_BCN1		FIELD32(0x0000ff00)
-#define BCN_OFFSET0_BCN2		FIELD32(0x00ff0000)
-#define BCN_OFFSET0_BCN3		FIELD32(0xff000000)
-
-/*
- * BCN_OFFSET1:
- */
-#define BCN_OFFSET1			0x0430
-#define BCN_OFFSET1_BCN4		FIELD32(0x000000ff)
-#define BCN_OFFSET1_BCN5		FIELD32(0x0000ff00)
-#define BCN_OFFSET1_BCN6		FIELD32(0x00ff0000)
-#define BCN_OFFSET1_BCN7		FIELD32(0xff000000)
-
-/*
- * PBF registers
- * Most are for debug. Driver doesn't touch PBF register.
- */
-#define TXRXQ_PCNT			0x0438
-#define PBF_DBG				0x043c
-
-/*
- * RF registers
- */
-#define	RF_CSR_CFG			0x0500
-#define RF_CSR_CFG_DATA			FIELD32(0x000000ff)
-#define RF_CSR_CFG_REGNUM		FIELD32(0x00001f00)
-#define RF_CSR_CFG_WRITE		FIELD32(0x00010000)
-#define RF_CSR_CFG_BUSY			FIELD32(0x00020000)
-
-/*
- * EFUSE_CSR: RT3090 EEPROM
- */
-#define EFUSE_CTRL			0x0580
-#define EFUSE_CTRL_ADDRESS_IN		FIELD32(0x03fe0000)
-#define EFUSE_CTRL_MODE			FIELD32(0x000000c0)
-#define EFUSE_CTRL_KICK			FIELD32(0x40000000)
-
-/*
- * EFUSE_DATA0
- */
-#define EFUSE_DATA0			0x0590
-
-/*
- * EFUSE_DATA1
- */
-#define EFUSE_DATA1			0x0594
-
-/*
- * EFUSE_DATA2
- */
-#define EFUSE_DATA2			0x0598
-
-/*
- * EFUSE_DATA3
- */
-#define EFUSE_DATA3			0x059c
-
-/*
- * MAC Control/Status Registers(CSR).
- * Some values are set in TU, whereas 1 TU == 1024 us.
- */
-
-/*
- * MAC_CSR0: ASIC revision number.
- * ASIC_REV: 0
- * ASIC_VER: 2860
- */
-#define MAC_CSR0			0x1000
-#define MAC_CSR0_ASIC_REV		FIELD32(0x0000ffff)
-#define MAC_CSR0_ASIC_VER		FIELD32(0xffff0000)
-
-/*
- * MAC_SYS_CTRL:
- */
-#define MAC_SYS_CTRL			0x1004
-#define MAC_SYS_CTRL_RESET_CSR		FIELD32(0x00000001)
-#define MAC_SYS_CTRL_RESET_BBP		FIELD32(0x00000002)
-#define MAC_SYS_CTRL_ENABLE_TX		FIELD32(0x00000004)
-#define MAC_SYS_CTRL_ENABLE_RX		FIELD32(0x00000008)
-#define MAC_SYS_CTRL_CONTINUOUS_TX	FIELD32(0x00000010)
-#define MAC_SYS_CTRL_LOOPBACK		FIELD32(0x00000020)
-#define MAC_SYS_CTRL_WLAN_HALT		FIELD32(0x00000040)
-#define MAC_SYS_CTRL_RX_TIMESTAMP	FIELD32(0x00000080)
-
-/*
- * MAC_ADDR_DW0: STA MAC register 0
- */
-#define MAC_ADDR_DW0			0x1008
-#define MAC_ADDR_DW0_BYTE0		FIELD32(0x000000ff)
-#define MAC_ADDR_DW0_BYTE1		FIELD32(0x0000ff00)
-#define MAC_ADDR_DW0_BYTE2		FIELD32(0x00ff0000)
-#define MAC_ADDR_DW0_BYTE3		FIELD32(0xff000000)
-
-/*
- * MAC_ADDR_DW1: STA MAC register 1
- * UNICAST_TO_ME_MASK:
- * Used to mask off bits from byte 5 of the MAC address
- * to determine the UNICAST_TO_ME bit for RX frames.
- * The full mask is complemented by BSS_ID_MASK:
- *    MASK = BSS_ID_MASK & UNICAST_TO_ME_MASK
- */
-#define MAC_ADDR_DW1			0x100c
-#define MAC_ADDR_DW1_BYTE4		FIELD32(0x000000ff)
-#define MAC_ADDR_DW1_BYTE5		FIELD32(0x0000ff00)
-#define MAC_ADDR_DW1_UNICAST_TO_ME_MASK	FIELD32(0x00ff0000)
-
-/*
- * MAC_BSSID_DW0: BSSID register 0
- */
-#define MAC_BSSID_DW0			0x1010
-#define MAC_BSSID_DW0_BYTE0		FIELD32(0x000000ff)
-#define MAC_BSSID_DW0_BYTE1		FIELD32(0x0000ff00)
-#define MAC_BSSID_DW0_BYTE2		FIELD32(0x00ff0000)
-#define MAC_BSSID_DW0_BYTE3		FIELD32(0xff000000)
-
-/*
- * MAC_BSSID_DW1: BSSID register 1
- * BSS_ID_MASK:
- *     0: 1-BSSID mode (BSS index = 0)
- *     1: 2-BSSID mode (BSS index: Byte5, bit 0)
- *     2: 4-BSSID mode (BSS index: byte5, bit 0 - 1)
- *     3: 8-BSSID mode (BSS index: byte5, bit 0 - 2)
- * This mask is used to mask off bits 0, 1 and 2 of byte 5 of the
- * BSSID. This will make sure that those bits will be ignored
- * when determining the MY_BSS of RX frames.
- */
-#define MAC_BSSID_DW1			0x1014
-#define MAC_BSSID_DW1_BYTE4		FIELD32(0x000000ff)
-#define MAC_BSSID_DW1_BYTE5		FIELD32(0x0000ff00)
-#define MAC_BSSID_DW1_BSS_ID_MASK	FIELD32(0x00030000)
-#define MAC_BSSID_DW1_BSS_BCN_NUM	FIELD32(0x001c0000)
-
-/*
- * MAX_LEN_CFG: Maximum frame length register.
- * MAX_MPDU: rt2860b max 16k bytes
- * MAX_PSDU: Maximum PSDU length
- *	(power factor) 0:2^13, 1:2^14, 2:2^15, 3:2^16
- */
-#define MAX_LEN_CFG			0x1018
-#define MAX_LEN_CFG_MAX_MPDU		FIELD32(0x00000fff)
-#define MAX_LEN_CFG_MAX_PSDU		FIELD32(0x00003000)
-#define MAX_LEN_CFG_MIN_PSDU		FIELD32(0x0000c000)
-#define MAX_LEN_CFG_MIN_MPDU		FIELD32(0x000f0000)
-
-/*
- * BBP_CSR_CFG: BBP serial control register
- * VALUE: Register value to program into BBP
- * REG_NUM: Selected BBP register
- * READ_CONTROL: 0 write BBP, 1 read BBP
- * BUSY: ASIC is busy executing BBP commands
- * BBP_PAR_DUR: 0 4 MAC clocks, 1 8 MAC clocks
- * BBP_RW_MODE: 0 serial, 1 paralell
- */
-#define BBP_CSR_CFG			0x101c
-#define BBP_CSR_CFG_VALUE		FIELD32(0x000000ff)
-#define BBP_CSR_CFG_REGNUM		FIELD32(0x0000ff00)
-#define BBP_CSR_CFG_READ_CONTROL	FIELD32(0x00010000)
-#define BBP_CSR_CFG_BUSY		FIELD32(0x00020000)
-#define BBP_CSR_CFG_BBP_PAR_DUR		FIELD32(0x00040000)
-#define BBP_CSR_CFG_BBP_RW_MODE		FIELD32(0x00080000)
-
-/*
- * RF_CSR_CFG0: RF control register
- * REGID_AND_VALUE: Register value to program into RF
- * BITWIDTH: Selected RF register
- * STANDBYMODE: 0 high when standby, 1 low when standby
- * SEL: 0 RF_LE0 activate, 1 RF_LE1 activate
- * BUSY: ASIC is busy executing RF commands
- */
-#define RF_CSR_CFG0			0x1020
-#define RF_CSR_CFG0_REGID_AND_VALUE	FIELD32(0x00ffffff)
-#define RF_CSR_CFG0_BITWIDTH		FIELD32(0x1f000000)
-#define RF_CSR_CFG0_REG_VALUE_BW	FIELD32(0x1fffffff)
-#define RF_CSR_CFG0_STANDBYMODE		FIELD32(0x20000000)
-#define RF_CSR_CFG0_SEL			FIELD32(0x40000000)
-#define RF_CSR_CFG0_BUSY		FIELD32(0x80000000)
-
-/*
- * RF_CSR_CFG1: RF control register
- * REGID_AND_VALUE: Register value to program into RF
- * RFGAP: Gap between BB_CONTROL_RF and RF_LE
- *        0: 3 system clock cycle (37.5usec)
- *        1: 5 system clock cycle (62.5usec)
- */
-#define RF_CSR_CFG1			0x1024
-#define RF_CSR_CFG1_REGID_AND_VALUE	FIELD32(0x00ffffff)
-#define RF_CSR_CFG1_RFGAP		FIELD32(0x1f000000)
-
-/*
- * RF_CSR_CFG2: RF control register
- * VALUE: Register value to program into RF
- * RFGAP: Gap between BB_CONTROL_RF and RF_LE
- *        0: 3 system clock cycle (37.5usec)
- *        1: 5 system clock cycle (62.5usec)
- */
-#define RF_CSR_CFG2			0x1028
-#define RF_CSR_CFG2_VALUE		FIELD32(0x00ffffff)
-
-/*
- * LED_CFG: LED control
- * color LED's:
- *   0: off
- *   1: blinking upon TX2
- *   2: periodic slow blinking
- *   3: always on
- * LED polarity:
- *   0: active low
- *   1: active high
- */
-#define LED_CFG				0x102c
-#define LED_CFG_ON_PERIOD		FIELD32(0x000000ff)
-#define LED_CFG_OFF_PERIOD		FIELD32(0x0000ff00)
-#define LED_CFG_SLOW_BLINK_PERIOD	FIELD32(0x003f0000)
-#define LED_CFG_R_LED_MODE		FIELD32(0x03000000)
-#define LED_CFG_G_LED_MODE		FIELD32(0x0c000000)
-#define LED_CFG_Y_LED_MODE		FIELD32(0x30000000)
-#define LED_CFG_LED_POLAR		FIELD32(0x40000000)
-
-/*
- * XIFS_TIME_CFG: MAC timing
- * CCKM_SIFS_TIME: unit 1us. Applied after CCK RX/TX
- * OFDM_SIFS_TIME: unit 1us. Applied after OFDM RX/TX
- * OFDM_XIFS_TIME: unit 1us. Applied after OFDM RX
- *	when MAC doesn't reference BBP signal BBRXEND
- * EIFS: unit 1us
- * BB_RXEND_ENABLE: reference RXEND signal to begin XIFS defer
- *
- */
-#define XIFS_TIME_CFG			0x1100
-#define XIFS_TIME_CFG_CCKM_SIFS_TIME	FIELD32(0x000000ff)
-#define XIFS_TIME_CFG_OFDM_SIFS_TIME	FIELD32(0x0000ff00)
-#define XIFS_TIME_CFG_OFDM_XIFS_TIME	FIELD32(0x000f0000)
-#define XIFS_TIME_CFG_EIFS		FIELD32(0x1ff00000)
-#define XIFS_TIME_CFG_BB_RXEND_ENABLE	FIELD32(0x20000000)
-
-/*
- * BKOFF_SLOT_CFG:
- */
-#define BKOFF_SLOT_CFG			0x1104
-#define BKOFF_SLOT_CFG_SLOT_TIME	FIELD32(0x000000ff)
-#define BKOFF_SLOT_CFG_CC_DELAY_TIME	FIELD32(0x0000ff00)
-
-/*
- * NAV_TIME_CFG:
- */
-#define NAV_TIME_CFG			0x1108
-#define NAV_TIME_CFG_SIFS		FIELD32(0x000000ff)
-#define NAV_TIME_CFG_SLOT_TIME		FIELD32(0x0000ff00)
-#define NAV_TIME_CFG_EIFS		FIELD32(0x01ff0000)
-#define NAV_TIME_ZERO_SIFS		FIELD32(0x02000000)
-
-/*
- * CH_TIME_CFG: count as channel busy
- */
-#define CH_TIME_CFG     	        0x110c
-
-/*
- * PBF_LIFE_TIMER: TX/RX MPDU timestamp timer (free run) Unit: 1us
- */
-#define PBF_LIFE_TIMER     	        0x1110
-
-/*
- * BCN_TIME_CFG:
- * BEACON_INTERVAL: in unit of 1/16 TU
- * TSF_TICKING: Enable TSF auto counting
- * TSF_SYNC: Enable TSF sync, 00: disable, 01: infra mode, 10: ad-hoc mode
- * BEACON_GEN: Enable beacon generator
- */
-#define BCN_TIME_CFG			0x1114
-#define BCN_TIME_CFG_BEACON_INTERVAL	FIELD32(0x0000ffff)
-#define BCN_TIME_CFG_TSF_TICKING	FIELD32(0x00010000)
-#define BCN_TIME_CFG_TSF_SYNC		FIELD32(0x00060000)
-#define BCN_TIME_CFG_TBTT_ENABLE	FIELD32(0x00080000)
-#define BCN_TIME_CFG_BEACON_GEN		FIELD32(0x00100000)
-#define BCN_TIME_CFG_TX_TIME_COMPENSATE	FIELD32(0xf0000000)
-
-/*
- * TBTT_SYNC_CFG:
- */
-#define TBTT_SYNC_CFG			0x1118
-
-/*
- * TSF_TIMER_DW0: Local lsb TSF timer, read-only
- */
-#define TSF_TIMER_DW0			0x111c
-#define TSF_TIMER_DW0_LOW_WORD		FIELD32(0xffffffff)
-
-/*
- * TSF_TIMER_DW1: Local msb TSF timer, read-only
- */
-#define TSF_TIMER_DW1			0x1120
-#define TSF_TIMER_DW1_HIGH_WORD		FIELD32(0xffffffff)
-
-/*
- * TBTT_TIMER: TImer remains till next TBTT, read-only
- */
-#define TBTT_TIMER			0x1124
-
-/*
- * INT_TIMER_CFG:
- */
-#define INT_TIMER_CFG			0x1128
-
-/*
- * INT_TIMER_EN: GP-timer and pre-tbtt Int enable
- */
-#define INT_TIMER_EN			0x112c
-
-/*
- * CH_IDLE_STA: channel idle time
- */
-#define CH_IDLE_STA			0x1130
-
-/*
- * CH_BUSY_STA: channel busy time
- */
-#define CH_BUSY_STA			0x1134
-
-/*
- * MAC_STATUS_CFG:
- * BBP_RF_BUSY: When set to 0, BBP and RF are stable.
- *	if 1 or higher one of the 2 registers is busy.
- */
-#define MAC_STATUS_CFG			0x1200
-#define MAC_STATUS_CFG_BBP_RF_BUSY	FIELD32(0x00000003)
-
-/*
- * PWR_PIN_CFG:
- */
-#define PWR_PIN_CFG			0x1204
-
-/*
- * AUTOWAKEUP_CFG: Manual power control / status register
- * TBCN_BEFORE_WAKE: ForceWake has high privilege than PutToSleep when both set
- * AUTOWAKE: 0:sleep, 1:awake
- */
-#define AUTOWAKEUP_CFG			0x1208
-#define AUTOWAKEUP_CFG_AUTO_LEAD_TIME	FIELD32(0x000000ff)
-#define AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE	FIELD32(0x00007f00)
-#define AUTOWAKEUP_CFG_AUTOWAKE		FIELD32(0x00008000)
-
-/*
- * EDCA_AC0_CFG:
- */
-#define EDCA_AC0_CFG			0x1300
-#define EDCA_AC0_CFG_TX_OP		FIELD32(0x000000ff)
-#define EDCA_AC0_CFG_AIFSN		FIELD32(0x00000f00)
-#define EDCA_AC0_CFG_CWMIN		FIELD32(0x0000f000)
-#define EDCA_AC0_CFG_CWMAX		FIELD32(0x000f0000)
-
-/*
- * EDCA_AC1_CFG:
- */
-#define EDCA_AC1_CFG			0x1304
-#define EDCA_AC1_CFG_TX_OP		FIELD32(0x000000ff)
-#define EDCA_AC1_CFG_AIFSN		FIELD32(0x00000f00)
-#define EDCA_AC1_CFG_CWMIN		FIELD32(0x0000f000)
-#define EDCA_AC1_CFG_CWMAX		FIELD32(0x000f0000)
-
-/*
- * EDCA_AC2_CFG:
- */
-#define EDCA_AC2_CFG			0x1308
-#define EDCA_AC2_CFG_TX_OP		FIELD32(0x000000ff)
-#define EDCA_AC2_CFG_AIFSN		FIELD32(0x00000f00)
-#define EDCA_AC2_CFG_CWMIN		FIELD32(0x0000f000)
-#define EDCA_AC2_CFG_CWMAX		FIELD32(0x000f0000)
-
-/*
- * EDCA_AC3_CFG:
- */
-#define EDCA_AC3_CFG			0x130c
-#define EDCA_AC3_CFG_TX_OP		FIELD32(0x000000ff)
-#define EDCA_AC3_CFG_AIFSN		FIELD32(0x00000f00)
-#define EDCA_AC3_CFG_CWMIN		FIELD32(0x0000f000)
-#define EDCA_AC3_CFG_CWMAX		FIELD32(0x000f0000)
-
-/*
- * EDCA_TID_AC_MAP:
- */
-#define EDCA_TID_AC_MAP			0x1310
-
-/*
- * TX_PWR_CFG_0:
- */
-#define TX_PWR_CFG_0			0x1314
-#define TX_PWR_CFG_0_1MBS		FIELD32(0x0000000f)
-#define TX_PWR_CFG_0_2MBS		FIELD32(0x000000f0)
-#define TX_PWR_CFG_0_55MBS		FIELD32(0x00000f00)
-#define TX_PWR_CFG_0_11MBS		FIELD32(0x0000f000)
-#define TX_PWR_CFG_0_6MBS		FIELD32(0x000f0000)
-#define TX_PWR_CFG_0_9MBS		FIELD32(0x00f00000)
-#define TX_PWR_CFG_0_12MBS		FIELD32(0x0f000000)
-#define TX_PWR_CFG_0_18MBS		FIELD32(0xf0000000)
-
-/*
- * TX_PWR_CFG_1:
- */
-#define TX_PWR_CFG_1			0x1318
-#define TX_PWR_CFG_1_24MBS		FIELD32(0x0000000f)
-#define TX_PWR_CFG_1_36MBS		FIELD32(0x000000f0)
-#define TX_PWR_CFG_1_48MBS		FIELD32(0x00000f00)
-#define TX_PWR_CFG_1_54MBS		FIELD32(0x0000f000)
-#define TX_PWR_CFG_1_MCS0		FIELD32(0x000f0000)
-#define TX_PWR_CFG_1_MCS1		FIELD32(0x00f00000)
-#define TX_PWR_CFG_1_MCS2		FIELD32(0x0f000000)
-#define TX_PWR_CFG_1_MCS3		FIELD32(0xf0000000)
-
-/*
- * TX_PWR_CFG_2:
- */
-#define TX_PWR_CFG_2			0x131c
-#define TX_PWR_CFG_2_MCS4		FIELD32(0x0000000f)
-#define TX_PWR_CFG_2_MCS5		FIELD32(0x000000f0)
-#define TX_PWR_CFG_2_MCS6		FIELD32(0x00000f00)
-#define TX_PWR_CFG_2_MCS7		FIELD32(0x0000f000)
-#define TX_PWR_CFG_2_MCS8		FIELD32(0x000f0000)
-#define TX_PWR_CFG_2_MCS9		FIELD32(0x00f00000)
-#define TX_PWR_CFG_2_MCS10		FIELD32(0x0f000000)
-#define TX_PWR_CFG_2_MCS11		FIELD32(0xf0000000)
-
-/*
- * TX_PWR_CFG_3:
- */
-#define TX_PWR_CFG_3			0x1320
-#define TX_PWR_CFG_3_MCS12		FIELD32(0x0000000f)
-#define TX_PWR_CFG_3_MCS13		FIELD32(0x000000f0)
-#define TX_PWR_CFG_3_MCS14		FIELD32(0x00000f00)
-#define TX_PWR_CFG_3_MCS15		FIELD32(0x0000f000)
-#define TX_PWR_CFG_3_UKNOWN1		FIELD32(0x000f0000)
-#define TX_PWR_CFG_3_UKNOWN2		FIELD32(0x00f00000)
-#define TX_PWR_CFG_3_UKNOWN3		FIELD32(0x0f000000)
-#define TX_PWR_CFG_3_UKNOWN4		FIELD32(0xf0000000)
-
-/*
- * TX_PWR_CFG_4:
- */
-#define TX_PWR_CFG_4			0x1324
-#define TX_PWR_CFG_4_UKNOWN5		FIELD32(0x0000000f)
-#define TX_PWR_CFG_4_UKNOWN6		FIELD32(0x000000f0)
-#define TX_PWR_CFG_4_UKNOWN7		FIELD32(0x00000f00)
-#define TX_PWR_CFG_4_UKNOWN8		FIELD32(0x0000f000)
-
-/*
- * TX_PIN_CFG:
- */
-#define TX_PIN_CFG			0x1328
-#define TX_PIN_CFG_PA_PE_A0_EN		FIELD32(0x00000001)
-#define TX_PIN_CFG_PA_PE_G0_EN		FIELD32(0x00000002)
-#define TX_PIN_CFG_PA_PE_A1_EN		FIELD32(0x00000004)
-#define TX_PIN_CFG_PA_PE_G1_EN		FIELD32(0x00000008)
-#define TX_PIN_CFG_PA_PE_A0_POL		FIELD32(0x00000010)
-#define TX_PIN_CFG_PA_PE_G0_POL		FIELD32(0x00000020)
-#define TX_PIN_CFG_PA_PE_A1_POL		FIELD32(0x00000040)
-#define TX_PIN_CFG_PA_PE_G1_POL		FIELD32(0x00000080)
-#define TX_PIN_CFG_LNA_PE_A0_EN		FIELD32(0x00000100)
-#define TX_PIN_CFG_LNA_PE_G0_EN		FIELD32(0x00000200)
-#define TX_PIN_CFG_LNA_PE_A1_EN		FIELD32(0x00000400)
-#define TX_PIN_CFG_LNA_PE_G1_EN		FIELD32(0x00000800)
-#define TX_PIN_CFG_LNA_PE_A0_POL	FIELD32(0x00001000)
-#define TX_PIN_CFG_LNA_PE_G0_POL	FIELD32(0x00002000)
-#define TX_PIN_CFG_LNA_PE_A1_POL	FIELD32(0x00004000)
-#define TX_PIN_CFG_LNA_PE_G1_POL	FIELD32(0x00008000)
-#define TX_PIN_CFG_RFTR_EN		FIELD32(0x00010000)
-#define TX_PIN_CFG_RFTR_POL		FIELD32(0x00020000)
-#define TX_PIN_CFG_TRSW_EN		FIELD32(0x00040000)
-#define TX_PIN_CFG_TRSW_POL		FIELD32(0x00080000)
-
-/*
- * TX_BAND_CFG: 0x1 use upper 20MHz, 0x0 use lower 20MHz
- */
-#define TX_BAND_CFG			0x132c
-#define TX_BAND_CFG_HT40_PLUS		FIELD32(0x00000001)
-#define TX_BAND_CFG_A			FIELD32(0x00000002)
-#define TX_BAND_CFG_BG			FIELD32(0x00000004)
-
-/*
- * TX_SW_CFG0:
- */
-#define TX_SW_CFG0			0x1330
-
-/*
- * TX_SW_CFG1:
- */
-#define TX_SW_CFG1			0x1334
-
-/*
- * TX_SW_CFG2:
- */
-#define TX_SW_CFG2			0x1338
-
-/*
- * TXOP_THRES_CFG:
- */
-#define TXOP_THRES_CFG			0x133c
-
-/*
- * TXOP_CTRL_CFG:
- */
-#define TXOP_CTRL_CFG			0x1340
-
-/*
- * TX_RTS_CFG:
- * RTS_THRES: unit:byte
- * RTS_FBK_EN: enable rts rate fallback
- */
-#define TX_RTS_CFG			0x1344
-#define TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT	FIELD32(0x000000ff)
-#define TX_RTS_CFG_RTS_THRES		FIELD32(0x00ffff00)
-#define TX_RTS_CFG_RTS_FBK_EN		FIELD32(0x01000000)
-
-/*
- * TX_TIMEOUT_CFG:
- * MPDU_LIFETIME: expiration time = 2^(9+MPDU LIFE TIME) us
- * RX_ACK_TIMEOUT: unit:slot. Used for TX procedure
- * TX_OP_TIMEOUT: TXOP timeout value for TXOP truncation.
- *                it is recommended that:
- *                (SLOT_TIME) > (TX_OP_TIMEOUT) > (RX_ACK_TIMEOUT)
- */
-#define TX_TIMEOUT_CFG			0x1348
-#define TX_TIMEOUT_CFG_MPDU_LIFETIME	FIELD32(0x000000f0)
-#define TX_TIMEOUT_CFG_RX_ACK_TIMEOUT	FIELD32(0x0000ff00)
-#define TX_TIMEOUT_CFG_TX_OP_TIMEOUT	FIELD32(0x00ff0000)
-
-/*
- * TX_RTY_CFG:
- * SHORT_RTY_LIMIT: short retry limit
- * LONG_RTY_LIMIT: long retry limit
- * LONG_RTY_THRE: Long retry threshoold
- * NON_AGG_RTY_MODE: Non-Aggregate MPDU retry mode
- *                   0:expired by retry limit, 1: expired by mpdu life timer
- * AGG_RTY_MODE: Aggregate MPDU retry mode
- *               0:expired by retry limit, 1: expired by mpdu life timer
- * TX_AUTO_FB_ENABLE: Tx retry PHY rate auto fallback enable
- */
-#define TX_RTY_CFG			0x134c
-#define TX_RTY_CFG_SHORT_RTY_LIMIT	FIELD32(0x000000ff)
-#define TX_RTY_CFG_LONG_RTY_LIMIT	FIELD32(0x0000ff00)
-#define TX_RTY_CFG_LONG_RTY_THRE	FIELD32(0x0fff0000)
-#define TX_RTY_CFG_NON_AGG_RTY_MODE	FIELD32(0x10000000)
-#define TX_RTY_CFG_AGG_RTY_MODE		FIELD32(0x20000000)
-#define TX_RTY_CFG_TX_AUTO_FB_ENABLE	FIELD32(0x40000000)
-
-/*
- * TX_LINK_CFG:
- * REMOTE_MFB_LIFETIME: remote MFB life time. unit: 32us
- * MFB_ENABLE: TX apply remote MFB 1:enable
- * REMOTE_UMFS_ENABLE: remote unsolicit  MFB enable
- *                     0: not apply remote remote unsolicit (MFS=7)
- * TX_MRQ_EN: MCS request TX enable
- * TX_RDG_EN: RDG TX enable
- * TX_CF_ACK_EN: Piggyback CF-ACK enable
- * REMOTE_MFB: remote MCS feedback
- * REMOTE_MFS: remote MCS feedback sequence number
- */
-#define TX_LINK_CFG			0x1350
-#define TX_LINK_CFG_REMOTE_MFB_LIFETIME	FIELD32(0x000000ff)
-#define TX_LINK_CFG_MFB_ENABLE		FIELD32(0x00000100)
-#define TX_LINK_CFG_REMOTE_UMFS_ENABLE	FIELD32(0x00000200)
-#define TX_LINK_CFG_TX_MRQ_EN		FIELD32(0x00000400)
-#define TX_LINK_CFG_TX_RDG_EN		FIELD32(0x00000800)
-#define TX_LINK_CFG_TX_CF_ACK_EN	FIELD32(0x00001000)
-#define TX_LINK_CFG_REMOTE_MFB		FIELD32(0x00ff0000)
-#define TX_LINK_CFG_REMOTE_MFS		FIELD32(0xff000000)
-
-/*
- * HT_FBK_CFG0:
- */
-#define HT_FBK_CFG0			0x1354
-#define HT_FBK_CFG0_HTMCS0FBK		FIELD32(0x0000000f)
-#define HT_FBK_CFG0_HTMCS1FBK		FIELD32(0x000000f0)
-#define HT_FBK_CFG0_HTMCS2FBK		FIELD32(0x00000f00)
-#define HT_FBK_CFG0_HTMCS3FBK		FIELD32(0x0000f000)
-#define HT_FBK_CFG0_HTMCS4FBK		FIELD32(0x000f0000)
-#define HT_FBK_CFG0_HTMCS5FBK		FIELD32(0x00f00000)
-#define HT_FBK_CFG0_HTMCS6FBK		FIELD32(0x0f000000)
-#define HT_FBK_CFG0_HTMCS7FBK		FIELD32(0xf0000000)
-
-/*
- * HT_FBK_CFG1:
- */
-#define HT_FBK_CFG1			0x1358
-#define HT_FBK_CFG1_HTMCS8FBK		FIELD32(0x0000000f)
-#define HT_FBK_CFG1_HTMCS9FBK		FIELD32(0x000000f0)
-#define HT_FBK_CFG1_HTMCS10FBK		FIELD32(0x00000f00)
-#define HT_FBK_CFG1_HTMCS11FBK		FIELD32(0x0000f000)
-#define HT_FBK_CFG1_HTMCS12FBK		FIELD32(0x000f0000)
-#define HT_FBK_CFG1_HTMCS13FBK		FIELD32(0x00f00000)
-#define HT_FBK_CFG1_HTMCS14FBK		FIELD32(0x0f000000)
-#define HT_FBK_CFG1_HTMCS15FBK		FIELD32(0xf0000000)
-
-/*
- * LG_FBK_CFG0:
- */
-#define LG_FBK_CFG0			0x135c
-#define LG_FBK_CFG0_OFDMMCS0FBK		FIELD32(0x0000000f)
-#define LG_FBK_CFG0_OFDMMCS1FBK		FIELD32(0x000000f0)
-#define LG_FBK_CFG0_OFDMMCS2FBK		FIELD32(0x00000f00)
-#define LG_FBK_CFG0_OFDMMCS3FBK		FIELD32(0x0000f000)
-#define LG_FBK_CFG0_OFDMMCS4FBK		FIELD32(0x000f0000)
-#define LG_FBK_CFG0_OFDMMCS5FBK		FIELD32(0x00f00000)
-#define LG_FBK_CFG0_OFDMMCS6FBK		FIELD32(0x0f000000)
-#define LG_FBK_CFG0_OFDMMCS7FBK		FIELD32(0xf0000000)
-
-/*
- * LG_FBK_CFG1:
- */
-#define LG_FBK_CFG1			0x1360
-#define LG_FBK_CFG0_CCKMCS0FBK		FIELD32(0x0000000f)
-#define LG_FBK_CFG0_CCKMCS1FBK		FIELD32(0x000000f0)
-#define LG_FBK_CFG0_CCKMCS2FBK		FIELD32(0x00000f00)
-#define LG_FBK_CFG0_CCKMCS3FBK		FIELD32(0x0000f000)
-
-/*
- * CCK_PROT_CFG: CCK Protection
- * PROTECT_RATE: Protection control frame rate for CCK TX(RTS/CTS/CFEnd)
- * PROTECT_CTRL: Protection control frame type for CCK TX
- *               0:none, 1:RTS/CTS, 2:CTS-to-self
- * PROTECT_NAV: TXOP protection type for CCK TX
- *              0:none, 1:ShortNAVprotect, 2:LongNAVProtect
- * TX_OP_ALLOW_CCK: CCK TXOP allowance, 0:disallow
- * TX_OP_ALLOW_OFDM: CCK TXOP allowance, 0:disallow
- * TX_OP_ALLOW_MM20: CCK TXOP allowance, 0:disallow
- * TX_OP_ALLOW_MM40: CCK TXOP allowance, 0:disallow
- * TX_OP_ALLOW_GF20: CCK TXOP allowance, 0:disallow
- * TX_OP_ALLOW_GF40: CCK TXOP allowance, 0:disallow
- * RTS_TH_EN: RTS threshold enable on CCK TX
- */
-#define CCK_PROT_CFG			0x1364
-#define CCK_PROT_CFG_PROTECT_RATE	FIELD32(0x0000ffff)
-#define CCK_PROT_CFG_PROTECT_CTRL	FIELD32(0x00030000)
-#define CCK_PROT_CFG_PROTECT_NAV	FIELD32(0x000c0000)
-#define CCK_PROT_CFG_TX_OP_ALLOW_CCK	FIELD32(0x00100000)
-#define CCK_PROT_CFG_TX_OP_ALLOW_OFDM	FIELD32(0x00200000)
-#define CCK_PROT_CFG_TX_OP_ALLOW_MM20	FIELD32(0x00400000)
-#define CCK_PROT_CFG_TX_OP_ALLOW_MM40	FIELD32(0x00800000)
-#define CCK_PROT_CFG_TX_OP_ALLOW_GF20	FIELD32(0x01000000)
-#define CCK_PROT_CFG_TX_OP_ALLOW_GF40	FIELD32(0x02000000)
-#define CCK_PROT_CFG_RTS_TH_EN		FIELD32(0x04000000)
-
-/*
- * OFDM_PROT_CFG: OFDM Protection
- */
-#define OFDM_PROT_CFG			0x1368
-#define OFDM_PROT_CFG_PROTECT_RATE	FIELD32(0x0000ffff)
-#define OFDM_PROT_CFG_PROTECT_CTRL	FIELD32(0x00030000)
-#define OFDM_PROT_CFG_PROTECT_NAV	FIELD32(0x000c0000)
-#define OFDM_PROT_CFG_TX_OP_ALLOW_CCK	FIELD32(0x00100000)
-#define OFDM_PROT_CFG_TX_OP_ALLOW_OFDM	FIELD32(0x00200000)
-#define OFDM_PROT_CFG_TX_OP_ALLOW_MM20	FIELD32(0x00400000)
-#define OFDM_PROT_CFG_TX_OP_ALLOW_MM40	FIELD32(0x00800000)
-#define OFDM_PROT_CFG_TX_OP_ALLOW_GF20	FIELD32(0x01000000)
-#define OFDM_PROT_CFG_TX_OP_ALLOW_GF40	FIELD32(0x02000000)
-#define OFDM_PROT_CFG_RTS_TH_EN		FIELD32(0x04000000)
-
-/*
- * MM20_PROT_CFG: MM20 Protection
- */
-#define MM20_PROT_CFG			0x136c
-#define MM20_PROT_CFG_PROTECT_RATE	FIELD32(0x0000ffff)
-#define MM20_PROT_CFG_PROTECT_CTRL	FIELD32(0x00030000)
-#define MM20_PROT_CFG_PROTECT_NAV	FIELD32(0x000c0000)
-#define MM20_PROT_CFG_TX_OP_ALLOW_CCK	FIELD32(0x00100000)
-#define MM20_PROT_CFG_TX_OP_ALLOW_OFDM	FIELD32(0x00200000)
-#define MM20_PROT_CFG_TX_OP_ALLOW_MM20	FIELD32(0x00400000)
-#define MM20_PROT_CFG_TX_OP_ALLOW_MM40	FIELD32(0x00800000)
-#define MM20_PROT_CFG_TX_OP_ALLOW_GF20	FIELD32(0x01000000)
-#define MM20_PROT_CFG_TX_OP_ALLOW_GF40	FIELD32(0x02000000)
-#define MM20_PROT_CFG_RTS_TH_EN		FIELD32(0x04000000)
-
-/*
- * MM40_PROT_CFG: MM40 Protection
- */
-#define MM40_PROT_CFG			0x1370
-#define MM40_PROT_CFG_PROTECT_RATE	FIELD32(0x0000ffff)
-#define MM40_PROT_CFG_PROTECT_CTRL	FIELD32(0x00030000)
-#define MM40_PROT_CFG_PROTECT_NAV	FIELD32(0x000c0000)
-#define MM40_PROT_CFG_TX_OP_ALLOW_CCK	FIELD32(0x00100000)
-#define MM40_PROT_CFG_TX_OP_ALLOW_OFDM	FIELD32(0x00200000)
-#define MM40_PROT_CFG_TX_OP_ALLOW_MM20	FIELD32(0x00400000)
-#define MM40_PROT_CFG_TX_OP_ALLOW_MM40	FIELD32(0x00800000)
-#define MM40_PROT_CFG_TX_OP_ALLOW_GF20	FIELD32(0x01000000)
-#define MM40_PROT_CFG_TX_OP_ALLOW_GF40	FIELD32(0x02000000)
-#define MM40_PROT_CFG_RTS_TH_EN		FIELD32(0x04000000)
-
-/*
- * GF20_PROT_CFG: GF20 Protection
- */
-#define GF20_PROT_CFG			0x1374
-#define GF20_PROT_CFG_PROTECT_RATE	FIELD32(0x0000ffff)
-#define GF20_PROT_CFG_PROTECT_CTRL	FIELD32(0x00030000)
-#define GF20_PROT_CFG_PROTECT_NAV	FIELD32(0x000c0000)
-#define GF20_PROT_CFG_TX_OP_ALLOW_CCK	FIELD32(0x00100000)
-#define GF20_PROT_CFG_TX_OP_ALLOW_OFDM	FIELD32(0x00200000)
-#define GF20_PROT_CFG_TX_OP_ALLOW_MM20	FIELD32(0x00400000)
-#define GF20_PROT_CFG_TX_OP_ALLOW_MM40	FIELD32(0x00800000)
-#define GF20_PROT_CFG_TX_OP_ALLOW_GF20	FIELD32(0x01000000)
-#define GF20_PROT_CFG_TX_OP_ALLOW_GF40	FIELD32(0x02000000)
-#define GF20_PROT_CFG_RTS_TH_EN		FIELD32(0x04000000)
-
-/*
- * GF40_PROT_CFG: GF40 Protection
- */
-#define GF40_PROT_CFG			0x1378
-#define GF40_PROT_CFG_PROTECT_RATE	FIELD32(0x0000ffff)
-#define GF40_PROT_CFG_PROTECT_CTRL	FIELD32(0x00030000)
-#define GF40_PROT_CFG_PROTECT_NAV	FIELD32(0x000c0000)
-#define GF40_PROT_CFG_TX_OP_ALLOW_CCK	FIELD32(0x00100000)
-#define GF40_PROT_CFG_TX_OP_ALLOW_OFDM	FIELD32(0x00200000)
-#define GF40_PROT_CFG_TX_OP_ALLOW_MM20	FIELD32(0x00400000)
-#define GF40_PROT_CFG_TX_OP_ALLOW_MM40	FIELD32(0x00800000)
-#define GF40_PROT_CFG_TX_OP_ALLOW_GF20	FIELD32(0x01000000)
-#define GF40_PROT_CFG_TX_OP_ALLOW_GF40	FIELD32(0x02000000)
-#define GF40_PROT_CFG_RTS_TH_EN		FIELD32(0x04000000)
-
-/*
- * EXP_CTS_TIME:
- */
-#define EXP_CTS_TIME			0x137c
-
-/*
- * EXP_ACK_TIME:
- */
-#define EXP_ACK_TIME			0x1380
-
-/*
- * RX_FILTER_CFG: RX configuration register.
- */
-#define RX_FILTER_CFG			0x1400
-#define RX_FILTER_CFG_DROP_CRC_ERROR	FIELD32(0x00000001)
-#define RX_FILTER_CFG_DROP_PHY_ERROR	FIELD32(0x00000002)
-#define RX_FILTER_CFG_DROP_NOT_TO_ME	FIELD32(0x00000004)
-#define RX_FILTER_CFG_DROP_NOT_MY_BSSD	FIELD32(0x00000008)
-#define RX_FILTER_CFG_DROP_VER_ERROR	FIELD32(0x00000010)
-#define RX_FILTER_CFG_DROP_MULTICAST	FIELD32(0x00000020)
-#define RX_FILTER_CFG_DROP_BROADCAST	FIELD32(0x00000040)
-#define RX_FILTER_CFG_DROP_DUPLICATE	FIELD32(0x00000080)
-#define RX_FILTER_CFG_DROP_CF_END_ACK	FIELD32(0x00000100)
-#define RX_FILTER_CFG_DROP_CF_END	FIELD32(0x00000200)
-#define RX_FILTER_CFG_DROP_ACK		FIELD32(0x00000400)
-#define RX_FILTER_CFG_DROP_CTS		FIELD32(0x00000800)
-#define RX_FILTER_CFG_DROP_RTS		FIELD32(0x00001000)
-#define RX_FILTER_CFG_DROP_PSPOLL	FIELD32(0x00002000)
-#define RX_FILTER_CFG_DROP_BA		FIELD32(0x00004000)
-#define RX_FILTER_CFG_DROP_BAR		FIELD32(0x00008000)
-#define RX_FILTER_CFG_DROP_CNTL		FIELD32(0x00010000)
-
-/*
- * AUTO_RSP_CFG:
- * AUTORESPONDER: 0: disable, 1: enable
- * BAC_ACK_POLICY: 0:long, 1:short preamble
- * CTS_40_MMODE: Response CTS 40MHz duplicate mode
- * CTS_40_MREF: Response CTS 40MHz duplicate mode
- * AR_PREAMBLE: Auto responder preamble 0:long, 1:short preamble
- * DUAL_CTS_EN: Power bit value in control frame
- * ACK_CTS_PSM_BIT:Power bit value in control frame
- */
-#define AUTO_RSP_CFG			0x1404
-#define AUTO_RSP_CFG_AUTORESPONDER	FIELD32(0x00000001)
-#define AUTO_RSP_CFG_BAC_ACK_POLICY	FIELD32(0x00000002)
-#define AUTO_RSP_CFG_CTS_40_MMODE	FIELD32(0x00000004)
-#define AUTO_RSP_CFG_CTS_40_MREF	FIELD32(0x00000008)
-#define AUTO_RSP_CFG_AR_PREAMBLE	FIELD32(0x00000010)
-#define AUTO_RSP_CFG_DUAL_CTS_EN	FIELD32(0x00000040)
-#define AUTO_RSP_CFG_ACK_CTS_PSM_BIT	FIELD32(0x00000080)
-
-/*
- * LEGACY_BASIC_RATE:
- */
-#define LEGACY_BASIC_RATE		0x1408
-
-/*
- * HT_BASIC_RATE:
- */
-#define HT_BASIC_RATE			0x140c
-
-/*
- * HT_CTRL_CFG:
- */
-#define HT_CTRL_CFG			0x1410
-
-/*
- * SIFS_COST_CFG:
- */
-#define SIFS_COST_CFG			0x1414
-
-/*
- * RX_PARSER_CFG:
- * Set NAV for all received frames
- */
-#define RX_PARSER_CFG			0x1418
-
-/*
- * TX_SEC_CNT0:
- */
-#define TX_SEC_CNT0			0x1500
-
-/*
- * RX_SEC_CNT0:
- */
-#define RX_SEC_CNT0			0x1504
-
-/*
- * CCMP_FC_MUTE:
- */
-#define CCMP_FC_MUTE			0x1508
-
-/*
- * TXOP_HLDR_ADDR0:
- */
-#define TXOP_HLDR_ADDR0			0x1600
-
-/*
- * TXOP_HLDR_ADDR1:
- */
-#define TXOP_HLDR_ADDR1			0x1604
-
-/*
- * TXOP_HLDR_ET:
- */
-#define TXOP_HLDR_ET			0x1608
-
-/*
- * QOS_CFPOLL_RA_DW0:
- */
-#define QOS_CFPOLL_RA_DW0		0x160c
-
-/*
- * QOS_CFPOLL_RA_DW1:
- */
-#define QOS_CFPOLL_RA_DW1		0x1610
-
-/*
- * QOS_CFPOLL_QC:
- */
-#define QOS_CFPOLL_QC			0x1614
-
-/*
- * RX_STA_CNT0: RX PLCP error count & RX CRC error count
- */
-#define RX_STA_CNT0			0x1700
-#define RX_STA_CNT0_CRC_ERR		FIELD32(0x0000ffff)
-#define RX_STA_CNT0_PHY_ERR		FIELD32(0xffff0000)
-
-/*
- * RX_STA_CNT1: RX False CCA count & RX LONG frame count
- */
-#define RX_STA_CNT1			0x1704
-#define RX_STA_CNT1_FALSE_CCA		FIELD32(0x0000ffff)
-#define RX_STA_CNT1_PLCP_ERR		FIELD32(0xffff0000)
-
-/*
- * RX_STA_CNT2:
- */
-#define RX_STA_CNT2			0x1708
-#define RX_STA_CNT2_RX_DUPLI_COUNT	FIELD32(0x0000ffff)
-#define RX_STA_CNT2_RX_FIFO_OVERFLOW	FIELD32(0xffff0000)
-
-/*
- * TX_STA_CNT0: TX Beacon count
- */
-#define TX_STA_CNT0			0x170c
-#define TX_STA_CNT0_TX_FAIL_COUNT	FIELD32(0x0000ffff)
-#define TX_STA_CNT0_TX_BEACON_COUNT	FIELD32(0xffff0000)
-
-/*
- * TX_STA_CNT1: TX tx count
- */
-#define TX_STA_CNT1			0x1710
-#define TX_STA_CNT1_TX_SUCCESS		FIELD32(0x0000ffff)
-#define TX_STA_CNT1_TX_RETRANSMIT	FIELD32(0xffff0000)
-
-/*
- * TX_STA_CNT2: TX tx count
- */
-#define TX_STA_CNT2			0x1714
-#define TX_STA_CNT2_TX_ZERO_LEN_COUNT	FIELD32(0x0000ffff)
-#define TX_STA_CNT2_TX_UNDER_FLOW_COUNT	FIELD32(0xffff0000)
-
-/*
- * TX_STA_FIFO: TX Result for specific PID status fifo register
- */
-#define TX_STA_FIFO			0x1718
-#define TX_STA_FIFO_VALID		FIELD32(0x00000001)
-#define TX_STA_FIFO_PID_TYPE		FIELD32(0x0000001e)
-#define TX_STA_FIFO_TX_SUCCESS		FIELD32(0x00000020)
-#define TX_STA_FIFO_TX_AGGRE		FIELD32(0x00000040)
-#define TX_STA_FIFO_TX_ACK_REQUIRED	FIELD32(0x00000080)
-#define TX_STA_FIFO_WCID		FIELD32(0x0000ff00)
-#define TX_STA_FIFO_MCS			FIELD32(0x007f0000)
-#define TX_STA_FIFO_PHYMODE		FIELD32(0xc0000000)
-
-/*
- * TX_AGG_CNT: Debug counter
- */
-#define TX_AGG_CNT			0x171c
-#define TX_AGG_CNT_NON_AGG_TX_COUNT	FIELD32(0x0000ffff)
-#define TX_AGG_CNT_AGG_TX_COUNT		FIELD32(0xffff0000)
-
-/*
- * TX_AGG_CNT0:
- */
-#define TX_AGG_CNT0			0x1720
-#define TX_AGG_CNT0_AGG_SIZE_1_COUNT	FIELD32(0x0000ffff)
-#define TX_AGG_CNT0_AGG_SIZE_2_COUNT	FIELD32(0xffff0000)
-
-/*
- * TX_AGG_CNT1:
- */
-#define TX_AGG_CNT1			0x1724
-#define TX_AGG_CNT1_AGG_SIZE_3_COUNT	FIELD32(0x0000ffff)
-#define TX_AGG_CNT1_AGG_SIZE_4_COUNT	FIELD32(0xffff0000)
-
-/*
- * TX_AGG_CNT2:
- */
-#define TX_AGG_CNT2			0x1728
-#define TX_AGG_CNT2_AGG_SIZE_5_COUNT	FIELD32(0x0000ffff)
-#define TX_AGG_CNT2_AGG_SIZE_6_COUNT	FIELD32(0xffff0000)
-
-/*
- * TX_AGG_CNT3:
- */
-#define TX_AGG_CNT3			0x172c
-#define TX_AGG_CNT3_AGG_SIZE_7_COUNT	FIELD32(0x0000ffff)
-#define TX_AGG_CNT3_AGG_SIZE_8_COUNT	FIELD32(0xffff0000)
-
-/*
- * TX_AGG_CNT4:
- */
-#define TX_AGG_CNT4			0x1730
-#define TX_AGG_CNT4_AGG_SIZE_9_COUNT	FIELD32(0x0000ffff)
-#define TX_AGG_CNT4_AGG_SIZE_10_COUNT	FIELD32(0xffff0000)
-
-/*
- * TX_AGG_CNT5:
- */
-#define TX_AGG_CNT5			0x1734
-#define TX_AGG_CNT5_AGG_SIZE_11_COUNT	FIELD32(0x0000ffff)
-#define TX_AGG_CNT5_AGG_SIZE_12_COUNT	FIELD32(0xffff0000)
-
-/*
- * TX_AGG_CNT6:
- */
-#define TX_AGG_CNT6			0x1738
-#define TX_AGG_CNT6_AGG_SIZE_13_COUNT	FIELD32(0x0000ffff)
-#define TX_AGG_CNT6_AGG_SIZE_14_COUNT	FIELD32(0xffff0000)
-
-/*
- * TX_AGG_CNT7:
- */
-#define TX_AGG_CNT7			0x173c
-#define TX_AGG_CNT7_AGG_SIZE_15_COUNT	FIELD32(0x0000ffff)
-#define TX_AGG_CNT7_AGG_SIZE_16_COUNT	FIELD32(0xffff0000)
-
-/*
- * MPDU_DENSITY_CNT:
- * TX_ZERO_DEL: TX zero length delimiter count
- * RX_ZERO_DEL: RX zero length delimiter count
- */
-#define MPDU_DENSITY_CNT		0x1740
-#define MPDU_DENSITY_CNT_TX_ZERO_DEL	FIELD32(0x0000ffff)
-#define MPDU_DENSITY_CNT_RX_ZERO_DEL	FIELD32(0xffff0000)
-
-/*
- * Security key table memory.
- * MAC_WCID_BASE: 8-bytes (use only 6 bytes) * 256 entry
- * PAIRWISE_KEY_TABLE_BASE: 32-byte * 256 entry
- * MAC_IVEIV_TABLE_BASE: 8-byte * 256-entry
- * MAC_WCID_ATTRIBUTE_BASE: 4-byte * 256-entry
- * SHARED_KEY_TABLE_BASE: 32 bytes * 32-entry
- * SHARED_KEY_MODE_BASE: 4 bits * 32-entry
- */
-#define MAC_WCID_BASE			0x1800
-#define PAIRWISE_KEY_TABLE_BASE		0x4000
-#define MAC_IVEIV_TABLE_BASE		0x6000
-#define MAC_WCID_ATTRIBUTE_BASE		0x6800
-#define SHARED_KEY_TABLE_BASE		0x6c00
-#define SHARED_KEY_MODE_BASE		0x7000
-
-#define MAC_WCID_ENTRY(__idx) \
-	( MAC_WCID_BASE + ((__idx) * sizeof(struct mac_wcid_entry)) )
-#define PAIRWISE_KEY_ENTRY(__idx) \
-	( PAIRWISE_KEY_TABLE_BASE + ((__idx) * sizeof(struct hw_key_entry)) )
-#define MAC_IVEIV_ENTRY(__idx) \
-	( MAC_IVEIV_TABLE_BASE + ((__idx) & sizeof(struct mac_iveiv_entry)) )
-#define MAC_WCID_ATTR_ENTRY(__idx) \
-	( MAC_WCID_ATTRIBUTE_BASE + ((__idx) * sizeof(u32)) )
-#define SHARED_KEY_ENTRY(__idx) \
-	( SHARED_KEY_TABLE_BASE + ((__idx) * sizeof(struct hw_key_entry)) )
-#define SHARED_KEY_MODE_ENTRY(__idx) \
-	( SHARED_KEY_MODE_BASE + ((__idx) * sizeof(u32)) )
-
-struct mac_wcid_entry {
-	u8 mac[6];
-	u8 reserved[2];
-} __attribute__ ((packed));
-
-struct hw_key_entry {
-	u8 key[16];
-	u8 tx_mic[8];
-	u8 rx_mic[8];
-} __attribute__ ((packed));
-
-struct mac_iveiv_entry {
-	u8 iv[8];
-} __attribute__ ((packed));
-
-/*
- * MAC_WCID_ATTRIBUTE:
- */
-#define MAC_WCID_ATTRIBUTE_KEYTAB	FIELD32(0x00000001)
-#define MAC_WCID_ATTRIBUTE_CIPHER	FIELD32(0x0000000e)
-#define MAC_WCID_ATTRIBUTE_BSS_IDX	FIELD32(0x00000070)
-#define MAC_WCID_ATTRIBUTE_RX_WIUDF	FIELD32(0x00000380)
-
-/*
- * SHARED_KEY_MODE:
- */
-#define SHARED_KEY_MODE_BSS0_KEY0	FIELD32(0x00000007)
-#define SHARED_KEY_MODE_BSS0_KEY1	FIELD32(0x00000070)
-#define SHARED_KEY_MODE_BSS0_KEY2	FIELD32(0x00000700)
-#define SHARED_KEY_MODE_BSS0_KEY3	FIELD32(0x00007000)
-#define SHARED_KEY_MODE_BSS1_KEY0	FIELD32(0x00070000)
-#define SHARED_KEY_MODE_BSS1_KEY1	FIELD32(0x00700000)
-#define SHARED_KEY_MODE_BSS1_KEY2	FIELD32(0x07000000)
-#define SHARED_KEY_MODE_BSS1_KEY3	FIELD32(0x70000000)
-
-/*
- * HOST-MCU communication
- */
-
-/*
- * H2M_MAILBOX_CSR: Host-to-MCU Mailbox.
- */
-#define H2M_MAILBOX_CSR			0x7010
-#define H2M_MAILBOX_CSR_ARG0		FIELD32(0x000000ff)
-#define H2M_MAILBOX_CSR_ARG1		FIELD32(0x0000ff00)
-#define H2M_MAILBOX_CSR_CMD_TOKEN	FIELD32(0x00ff0000)
-#define H2M_MAILBOX_CSR_OWNER		FIELD32(0xff000000)
-
-/*
- * H2M_MAILBOX_CID:
- */
-#define H2M_MAILBOX_CID			0x7014
-#define H2M_MAILBOX_CID_CMD0		FIELD32(0x000000ff)
-#define H2M_MAILBOX_CID_CMD1		FIELD32(0x0000ff00)
-#define H2M_MAILBOX_CID_CMD2		FIELD32(0x00ff0000)
-#define H2M_MAILBOX_CID_CMD3		FIELD32(0xff000000)
-
-/*
- * H2M_MAILBOX_STATUS:
- */
-#define H2M_MAILBOX_STATUS		0x701c
-
-/*
- * H2M_INT_SRC:
- */
-#define H2M_INT_SRC			0x7024
-
-/*
- * H2M_BBP_AGENT:
+ * PCI registers.
  */
-#define H2M_BBP_AGENT			0x7028
 
 /*
- * MCU_LEDCS: LED control for MCU Mailbox.
+ * E2PROM_CSR: EEPROM control register.
+ * RELOAD: Write 1 to reload eeprom content.
+ * TYPE: 0: 93c46, 1:93c66.
+ * LOAD_STATUS: 1:loading, 0:done.
  */
-#define MCU_LEDCS_LED_MODE		FIELD8(0x1f)
-#define MCU_LEDCS_POLARITY		FIELD8(0x01)
+#define E2PROM_CSR			0x0004
+#define E2PROM_CSR_DATA_CLOCK		FIELD32(0x00000001)
+#define E2PROM_CSR_CHIP_SELECT		FIELD32(0x00000002)
+#define E2PROM_CSR_DATA_IN		FIELD32(0x00000004)
+#define E2PROM_CSR_DATA_OUT		FIELD32(0x00000008)
+#define E2PROM_CSR_TYPE			FIELD32(0x00000030)
+#define E2PROM_CSR_LOAD_STATUS		FIELD32(0x00000040)
+#define E2PROM_CSR_RELOAD		FIELD32(0x00000080)
 
 /*
- * HW_CS_CTS_BASE:
- * Carrier-sense CTS frame base address.
- * It's where mac stores carrier-sense frame for carrier-sense function.
+ * Queue register offset macros
  */
-#define HW_CS_CTS_BASE			0x7700
+#define TX_QUEUE_REG_OFFSET		0x10
+#define TX_BASE_PTR(__x)		TX_BASE_PTR0 + ((__x) * TX_QUEUE_REG_OFFSET)
+#define TX_MAX_CNT(__x)			TX_MAX_CNT0 + ((__x) * TX_QUEUE_REG_OFFSET)
+#define TX_CTX_IDX(__x)			TX_CTX_IDX0 + ((__x) * TX_QUEUE_REG_OFFSET)
+#define TX_DTX_IDX(__x)			TX_DTX_IDX0 + ((__x) * TX_QUEUE_REG_OFFSET)
 
 /*
- * HW_DFS_CTS_BASE:
- * FS CTS frame base address. It's where mac stores CTS frame for DFS.
+ * EFUSE_CSR: RT3090 EEPROM
  */
-#define HW_DFS_CTS_BASE			0x7780
+#define EFUSE_CTRL			0x0580
+#define EFUSE_CTRL_ADDRESS_IN		FIELD32(0x03fe0000)
+#define EFUSE_CTRL_MODE			FIELD32(0x000000c0)
+#define EFUSE_CTRL_KICK			FIELD32(0x40000000)
 
 /*
- * TXRX control registers - base address 0x3000
+ * EFUSE_DATA0
  */
+#define EFUSE_DATA0			0x0590
 
 /*
- * TXRX_CSR1:
- * rt2860b  UNKNOWN reg use R/O Reg Addr 0x77d0 first..
+ * EFUSE_DATA1
  */
-#define TXRX_CSR1			0x77d0
+#define EFUSE_DATA1			0x0594
 
 /*
- * HW_DEBUG_SETTING_BASE:
- * since NULL frame won't be that long (256 byte)
- * We steal 16 tail bytes to save debugging settings
+ * EFUSE_DATA2
  */
-#define HW_DEBUG_SETTING_BASE		0x77f0
-#define HW_DEBUG_SETTING_BASE2		0x7770
+#define EFUSE_DATA2			0x0598
 
 /*
- * HW_BEACON_BASE
- * In order to support maximum 8 MBSS and its maximum length
- * is 512 bytes for each beacon
- * Three section discontinue memory segments will be used.
- * 1. The original region for BCN 0~3
- * 2. Extract memory from FCE table for BCN 4~5
- * 3. Extract memory from Pair-wise key table for BCN 6~7
- *    It occupied those memory of wcid 238~253 for BCN 6
- *    and wcid 222~237 for BCN 7
- *
- * IMPORTANT NOTE: Not sure why legacy driver does this,
- * but HW_BEACON_BASE7 is 0x0200 bytes below HW_BEACON_BASE6.
+ * EFUSE_DATA3
  */
-#define HW_BEACON_BASE0			0x7800
-#define HW_BEACON_BASE1			0x7a00
-#define HW_BEACON_BASE2			0x7c00
-#define HW_BEACON_BASE3			0x7e00
-#define HW_BEACON_BASE4			0x7200
-#define HW_BEACON_BASE5			0x7400
-#define HW_BEACON_BASE6			0x5dc0
-#define HW_BEACON_BASE7			0x5bc0
-
-#define HW_BEACON_OFFSET(__index) \
-	( ((__index) < 4) ? ( HW_BEACON_BASE0 + (__index * 0x0200) ) : \
-	  (((__index) < 6) ? ( HW_BEACON_BASE4 + ((__index - 4) * 0x0200) ) : \
-	  (HW_BEACON_BASE6 - ((__index - 6) * 0x0200))) )
+#define EFUSE_DATA3			0x059c
 
 /*
  * 8051 firmware image.
@@ -1492,282 +89,11 @@ struct mac_iveiv_entry {
 #define FIRMWARE_RT2860			"rt2860.bin"
 #define FIRMWARE_IMAGE_BASE		0x2000
 
-/*
- * BBP registers.
- * The wordsize of the BBP is 8 bits.
- */
-
-/*
- * BBP 1: TX Antenna
- */
-#define BBP1_TX_POWER			FIELD8(0x07)
-#define BBP1_TX_ANTENNA			FIELD8(0x18)
-
-/*
- * BBP 3: RX Antenna
- */
-#define BBP3_RX_ANTENNA			FIELD8(0x18)
-#define BBP3_HT40_PLUS			FIELD8(0x20)
-
-/*
- * BBP 4: Bandwidth
- */
-#define BBP4_TX_BF			FIELD8(0x01)
-#define BBP4_BANDWIDTH			FIELD8(0x18)
-
-/*
- * RFCSR registers
- * The wordsize of the RFCSR is 8 bits.
- */
-
-/*
- * RFCSR 6:
- */
-#define RFCSR6_R			FIELD8(0x03)
-
-/*
- * RFCSR 7:
- */
-#define RFCSR7_RF_TUNING		FIELD8(0x01)
-
-/*
- * RFCSR 12:
- */
-#define RFCSR12_TX_POWER		FIELD8(0x1f)
-
-/*
- * RFCSR 22:
- */
-#define RFCSR22_BASEBAND_LOOPBACK	FIELD8(0x01)
-
-/*
- * RFCSR 23:
- */
-#define RFCSR23_FREQ_OFFSET		FIELD8(0x7f)
-
-/*
- * RFCSR 30:
- */
-#define RFCSR30_RF_CALIBRATION		FIELD8(0x80)
-
-/*
- * RF registers
- */
-
-/*
- * RF 2
- */
-#define RF2_ANTENNA_RX2			FIELD32(0x00000040)
-#define RF2_ANTENNA_TX1			FIELD32(0x00004000)
-#define RF2_ANTENNA_RX1			FIELD32(0x00020000)
-
-/*
- * RF 3
- */
-#define RF3_TXPOWER_G			FIELD32(0x00003e00)
-#define RF3_TXPOWER_A_7DBM_BOOST	FIELD32(0x00000200)
-#define RF3_TXPOWER_A			FIELD32(0x00003c00)
-
-/*
- * RF 4
- */
-#define RF4_TXPOWER_G			FIELD32(0x000007c0)
-#define RF4_TXPOWER_A_7DBM_BOOST	FIELD32(0x00000040)
-#define RF4_TXPOWER_A			FIELD32(0x00000780)
-#define RF4_FREQ_OFFSET			FIELD32(0x001f8000)
-#define RF4_HT40			FIELD32(0x00200000)
-
-/*
- * EEPROM content.
- * The wordsize of the EEPROM is 16 bits.
- */
-
-/*
- * EEPROM Version
- */
-#define EEPROM_VERSION			0x0001
-#define EEPROM_VERSION_FAE		FIELD16(0x00ff)
-#define EEPROM_VERSION_VERSION		FIELD16(0xff00)
-
-/*
- * HW MAC address.
- */
-#define EEPROM_MAC_ADDR_0		0x0002
-#define EEPROM_MAC_ADDR_BYTE0		FIELD16(0x00ff)
-#define EEPROM_MAC_ADDR_BYTE1		FIELD16(0xff00)
-#define EEPROM_MAC_ADDR_1		0x0003
-#define EEPROM_MAC_ADDR_BYTE2		FIELD16(0x00ff)
-#define EEPROM_MAC_ADDR_BYTE3		FIELD16(0xff00)
-#define EEPROM_MAC_ADDR_2		0x0004
-#define EEPROM_MAC_ADDR_BYTE4		FIELD16(0x00ff)
-#define EEPROM_MAC_ADDR_BYTE5		FIELD16(0xff00)
-
-/*
- * EEPROM ANTENNA config
- * RXPATH: 1: 1R, 2: 2R, 3: 3R
- * TXPATH: 1: 1T, 2: 2T
- */
-#define	EEPROM_ANTENNA			0x001a
-#define EEPROM_ANTENNA_RXPATH		FIELD16(0x000f)
-#define EEPROM_ANTENNA_TXPATH		FIELD16(0x00f0)
-#define EEPROM_ANTENNA_RF_TYPE		FIELD16(0x0f00)
-
-/*
- * EEPROM NIC config
- * CARDBUS_ACCEL: 0 - enable, 1 - disable
- */
-#define	EEPROM_NIC			0x001b
-#define EEPROM_NIC_HW_RADIO		FIELD16(0x0001)
-#define EEPROM_NIC_DYNAMIC_TX_AGC	FIELD16(0x0002)
-#define EEPROM_NIC_EXTERNAL_LNA_BG	FIELD16(0x0004)
-#define EEPROM_NIC_EXTERNAL_LNA_A	FIELD16(0x0008)
-#define EEPROM_NIC_CARDBUS_ACCEL	FIELD16(0x0010)
-#define EEPROM_NIC_BW40M_SB_BG		FIELD16(0x0020)
-#define EEPROM_NIC_BW40M_SB_A		FIELD16(0x0040)
-#define EEPROM_NIC_WPS_PBC		FIELD16(0x0080)
-#define EEPROM_NIC_BW40M_BG		FIELD16(0x0100)
-#define EEPROM_NIC_BW40M_A		FIELD16(0x0200)
-
-/*
- * EEPROM frequency
- */
-#define	EEPROM_FREQ			0x001d
-#define EEPROM_FREQ_OFFSET		FIELD16(0x00ff)
-#define EEPROM_FREQ_LED_MODE		FIELD16(0x7f00)
-#define EEPROM_FREQ_LED_POLARITY	FIELD16(0x1000)
-
-/*
- * EEPROM LED
- * POLARITY_RDY_G: Polarity RDY_G setting.
- * POLARITY_RDY_A: Polarity RDY_A setting.
- * POLARITY_ACT: Polarity ACT setting.
- * POLARITY_GPIO_0: Polarity GPIO0 setting.
- * POLARITY_GPIO_1: Polarity GPIO1 setting.
- * POLARITY_GPIO_2: Polarity GPIO2 setting.
- * POLARITY_GPIO_3: Polarity GPIO3 setting.
- * POLARITY_GPIO_4: Polarity GPIO4 setting.
- * LED_MODE: Led mode.
- */
-#define EEPROM_LED1			0x001e
-#define EEPROM_LED2			0x001f
-#define EEPROM_LED3			0x0020
-#define EEPROM_LED_POLARITY_RDY_BG	FIELD16(0x0001)
-#define EEPROM_LED_POLARITY_RDY_A	FIELD16(0x0002)
-#define EEPROM_LED_POLARITY_ACT		FIELD16(0x0004)
-#define EEPROM_LED_POLARITY_GPIO_0	FIELD16(0x0008)
-#define EEPROM_LED_POLARITY_GPIO_1	FIELD16(0x0010)
-#define EEPROM_LED_POLARITY_GPIO_2	FIELD16(0x0020)
-#define EEPROM_LED_POLARITY_GPIO_3	FIELD16(0x0040)
-#define EEPROM_LED_POLARITY_GPIO_4	FIELD16(0x0080)
-#define EEPROM_LED_LED_MODE		FIELD16(0x1f00)
-
-/*
- * EEPROM LNA
- */
-#define EEPROM_LNA			0x0022
-#define EEPROM_LNA_BG			FIELD16(0x00ff)
-#define EEPROM_LNA_A0			FIELD16(0xff00)
-
-/*
- * EEPROM RSSI BG offset
- */
-#define EEPROM_RSSI_BG			0x0023
-#define EEPROM_RSSI_BG_OFFSET0		FIELD16(0x00ff)
-#define EEPROM_RSSI_BG_OFFSET1		FIELD16(0xff00)
-
-/*
- * EEPROM RSSI BG2 offset
- */
-#define EEPROM_RSSI_BG2			0x0024
-#define EEPROM_RSSI_BG2_OFFSET2		FIELD16(0x00ff)
-#define EEPROM_RSSI_BG2_LNA_A1		FIELD16(0xff00)
-
-/*
- * EEPROM RSSI A offset
- */
-#define EEPROM_RSSI_A			0x0025
-#define EEPROM_RSSI_A_OFFSET0		FIELD16(0x00ff)
-#define EEPROM_RSSI_A_OFFSET1		FIELD16(0xff00)
-
-/*
- * EEPROM RSSI A2 offset
- */
-#define EEPROM_RSSI_A2			0x0026
-#define EEPROM_RSSI_A2_OFFSET2		FIELD16(0x00ff)
-#define EEPROM_RSSI_A2_LNA_A2		FIELD16(0xff00)
-
-/*
- * EEPROM TXpower delta: 20MHZ AND 40 MHZ use different power.
- *	This is delta in 40MHZ.
- * VALUE: Tx Power dalta value (MAX=4)
- * TYPE: 1: Plus the delta value, 0: minus the delta value
- * TXPOWER: Enable:
- */
-#define EEPROM_TXPOWER_DELTA		0x0028
-#define EEPROM_TXPOWER_DELTA_VALUE	FIELD16(0x003f)
-#define EEPROM_TXPOWER_DELTA_TYPE	FIELD16(0x0040)
-#define EEPROM_TXPOWER_DELTA_TXPOWER	FIELD16(0x0080)
-
-/*
- * EEPROM TXPOWER 802.11BG
- */
-#define	EEPROM_TXPOWER_BG1		0x0029
-#define	EEPROM_TXPOWER_BG2		0x0030
-#define EEPROM_TXPOWER_BG_SIZE		7
-#define EEPROM_TXPOWER_BG_1		FIELD16(0x00ff)
-#define EEPROM_TXPOWER_BG_2		FIELD16(0xff00)
-
-/*
- * EEPROM TXPOWER 802.11A
- */
-#define EEPROM_TXPOWER_A1		0x003c
-#define EEPROM_TXPOWER_A2		0x0053
-#define EEPROM_TXPOWER_A_SIZE		6
-#define EEPROM_TXPOWER_A_1		FIELD16(0x00ff)
-#define EEPROM_TXPOWER_A_2		FIELD16(0xff00)
-
-/*
- * EEPROM TXpower byrate: 20MHZ power
- */
-#define EEPROM_TXPOWER_BYRATE		0x006f
-
-/*
- * EEPROM BBP.
- */
-#define	EEPROM_BBP_START		0x0078
-#define EEPROM_BBP_SIZE			16
-#define EEPROM_BBP_VALUE		FIELD16(0x00ff)
-#define EEPROM_BBP_REG_ID		FIELD16(0xff00)
-
-/*
- * MCU mailbox commands.
- */
-#define MCU_SLEEP			0x30
-#define MCU_WAKEUP			0x31
-#define MCU_RADIO_OFF			0x35
-#define MCU_CURRENT			0x36
-#define MCU_LED				0x50
-#define MCU_LED_STRENGTH		0x51
-#define MCU_LED_1			0x52
-#define MCU_LED_2			0x53
-#define MCU_LED_3			0x54
-#define MCU_RADAR			0x60
-#define MCU_BOOT_SIGNAL			0x72
-#define MCU_BBP_SIGNAL			0x80
-#define MCU_POWER_SAVE			0x83
-
-/*
- * MCU mailbox tokens
- */
-#define TOKEN_WAKUP			3
-
 /*
  * DMA descriptor defines.
  */
 #define TXD_DESC_SIZE			( 4 * sizeof(__le32) )
-#define TXWI_DESC_SIZE			( 4 * sizeof(__le32) )
 #define RXD_DESC_SIZE			( 4 * sizeof(__le32) )
-#define RXWI_DESC_SIZE			( 4 * sizeof(__le32) )
 
 /*
  * TX descriptor format for TX, PRIO and Beacon Ring.
@@ -1805,52 +131,6 @@ struct mac_iveiv_entry {
 #define TXD_W3_UCO			FIELD32(0x40000000)
 #define TXD_W3_ICO			FIELD32(0x80000000)
 
-/*
- * TX WI structure
- */
-
-/*
- * Word0
- * FRAG: 1 To inform TKIP engine this is a fragment.
- * MIMO_PS: The remote peer is in dynamic MIMO-PS mode
- * TX_OP: 0:HT TXOP rule , 1:PIFS TX ,2:Backoff, 3:sifs
- * BW: Channel bandwidth 20MHz or 40 MHz
- * STBC: 1: STBC support MCS =0-7, 2,3 : RESERVED
- */
-#define TXWI_W0_FRAG			FIELD32(0x00000001)
-#define TXWI_W0_MIMO_PS			FIELD32(0x00000002)
-#define TXWI_W0_CF_ACK			FIELD32(0x00000004)
-#define TXWI_W0_TS			FIELD32(0x00000008)
-#define TXWI_W0_AMPDU			FIELD32(0x00000010)
-#define TXWI_W0_MPDU_DENSITY		FIELD32(0x000000e0)
-#define TXWI_W0_TX_OP			FIELD32(0x00000300)
-#define TXWI_W0_MCS			FIELD32(0x007f0000)
-#define TXWI_W0_BW			FIELD32(0x00800000)
-#define TXWI_W0_SHORT_GI		FIELD32(0x01000000)
-#define TXWI_W0_STBC			FIELD32(0x06000000)
-#define TXWI_W0_IFS			FIELD32(0x08000000)
-#define TXWI_W0_PHYMODE			FIELD32(0xc0000000)
-
-/*
- * Word1
- */
-#define TXWI_W1_ACK			FIELD32(0x00000001)
-#define TXWI_W1_NSEQ			FIELD32(0x00000002)
-#define TXWI_W1_BW_WIN_SIZE		FIELD32(0x000000fc)
-#define TXWI_W1_WIRELESS_CLI_ID		FIELD32(0x0000ff00)
-#define TXWI_W1_MPDU_TOTAL_BYTE_COUNT	FIELD32(0x0fff0000)
-#define TXWI_W1_PACKETID		FIELD32(0xf0000000)
-
-/*
- * Word2
- */
-#define TXWI_W2_IV			FIELD32(0xffffffff)
-
-/*
- * Word3
- */
-#define TXWI_W3_EIV			FIELD32(0xffffffff)
-
 /*
  * RX descriptor format for RX Ring.
  */
@@ -1897,64 +177,4 @@ struct mac_iveiv_entry {
 #define RXD_W3_PLCP_SIGNAL		FIELD32(0x00020000)
 #define RXD_W3_PLCP_RSSI		FIELD32(0x00040000)
 
-/*
- * RX WI structure
- */
-
-/*
- * Word0
- */
-#define RXWI_W0_WIRELESS_CLI_ID		FIELD32(0x000000ff)
-#define RXWI_W0_KEY_INDEX		FIELD32(0x00000300)
-#define RXWI_W0_BSSID			FIELD32(0x00001c00)
-#define RXWI_W0_UDF			FIELD32(0x0000e000)
-#define RXWI_W0_MPDU_TOTAL_BYTE_COUNT	FIELD32(0x0fff0000)
-#define RXWI_W0_TID			FIELD32(0xf0000000)
-
-/*
- * Word1
- */
-#define RXWI_W1_FRAG			FIELD32(0x0000000f)
-#define RXWI_W1_SEQUENCE		FIELD32(0x0000fff0)
-#define RXWI_W1_MCS			FIELD32(0x007f0000)
-#define RXWI_W1_BW			FIELD32(0x00800000)
-#define RXWI_W1_SHORT_GI		FIELD32(0x01000000)
-#define RXWI_W1_STBC			FIELD32(0x06000000)
-#define RXWI_W1_PHYMODE			FIELD32(0xc0000000)
-
-/*
- * Word2
- */
-#define RXWI_W2_RSSI0			FIELD32(0x000000ff)
-#define RXWI_W2_RSSI1			FIELD32(0x0000ff00)
-#define RXWI_W2_RSSI2			FIELD32(0x00ff0000)
-
-/*
- * Word3
- */
-#define RXWI_W3_SNR0			FIELD32(0x000000ff)
-#define RXWI_W3_SNR1			FIELD32(0x0000ff00)
-
-/*
- * Macros for converting txpower from EEPROM to mac80211 value
- * and from mac80211 value to register value.
- */
-#define MIN_G_TXPOWER	0
-#define MIN_A_TXPOWER	-7
-#define MAX_G_TXPOWER	31
-#define MAX_A_TXPOWER	15
-#define DEFAULT_TXPOWER	5
-
-#define TXPOWER_G_FROM_DEV(__txpower) \
-	((__txpower) > MAX_G_TXPOWER) ? DEFAULT_TXPOWER : (__txpower)
-
-#define TXPOWER_G_TO_DEV(__txpower) \
-	clamp_t(char, __txpower, MIN_G_TXPOWER, MAX_G_TXPOWER)
-
-#define TXPOWER_A_FROM_DEV(__txpower) \
-	((__txpower) > MAX_A_TXPOWER) ? DEFAULT_TXPOWER : (__txpower)
-
-#define TXPOWER_A_TO_DEV(__txpower) \
-	clamp_t(char, __txpower, MIN_A_TXPOWER, MAX_A_TXPOWER)
-
 #endif /* RT2800PCI_H */
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 0851dc672a8..1383e55ff8e 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -35,6 +35,7 @@
 #include "rt2x00.h"
 #include "rt2x00usb.h"
 #include "rt2800lib.h"
+#include "rt2800.h"
 #include "rt2800usb.h"
 
 /*
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.h b/drivers/net/wireless/rt2x00/rt2800usb.h
index 9d7bb54999c..c9d7d40ee5f 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.h
+++ b/drivers/net/wireless/rt2x00/rt2800usb.h
@@ -28,1443 +28,41 @@
 #define RT2800USB_H
 
 /*
- * RF chip defines.
- *
- * RF2820 2.4G 2T3R
- * RF2850 2.4G/5G 2T3R
- * RF2720 2.4G 1T2R
- * RF2750 2.4G/5G 1T2R
- * RF3020 2.4G 1T1R
- * RF2020 2.4G B/G
- * RF3021 2.4G 1T2R
- * RF3022 2.4G 2T2R
- * RF3052 2.4G 2T2R
- */
-#define RF2820				0x0001
-#define RF2850				0x0002
-#define RF2720				0x0003
-#define RF2750				0x0004
-#define RF3020				0x0005
-#define RF2020				0x0006
-#define RF3021				0x0007
-#define RF3022				0x0008
-#define RF3052				0x0009
-
-/*
- * RT2870 version
- */
-#define RT2860C_VERSION			0x28600100
-#define RT2860D_VERSION			0x28600101
-#define RT2880E_VERSION			0x28720200
-#define RT2883_VERSION			0x28830300
-#define RT3070_VERSION			0x30700200
-
-/*
- * Signal information.
- * Default offset is required for RSSI <-> dBm conversion.
- */
-#define DEFAULT_RSSI_OFFSET		120 /* FIXME */
-
-/*
- * Register layout information.
- */
-#define CSR_REG_BASE			0x1000
-#define CSR_REG_SIZE			0x0800
-#define EEPROM_BASE			0x0000
-#define EEPROM_SIZE			0x0110
-#define BBP_BASE			0x0000
-#define BBP_SIZE			0x0080
-#define RF_BASE				0x0004
-#define RF_SIZE				0x0010
-
-/*
- * Number of TX queues.
- */
-#define NUM_TX_QUEUES			4
-
-/*
- * USB registers.
- */
-
-/*
- * INT_SOURCE_CSR: Interrupt source register.
- * Write one to clear corresponding bit.
- * TX_FIFO_STATUS: FIFO Statistics is full, sw should read 0x171c
- */
-#define INT_SOURCE_CSR			0x0200
-#define INT_SOURCE_CSR_RXDELAYINT	FIELD32(0x00000001)
-#define INT_SOURCE_CSR_TXDELAYINT	FIELD32(0x00000002)
-#define INT_SOURCE_CSR_RX_DONE		FIELD32(0x00000004)
-#define INT_SOURCE_CSR_AC0_DMA_DONE	FIELD32(0x00000008)
-#define INT_SOURCE_CSR_AC1_DMA_DONE	FIELD32(0x00000010)
-#define INT_SOURCE_CSR_AC2_DMA_DONE	FIELD32(0x00000020)
-#define INT_SOURCE_CSR_AC3_DMA_DONE	FIELD32(0x00000040)
-#define INT_SOURCE_CSR_HCCA_DMA_DONE	FIELD32(0x00000080)
-#define INT_SOURCE_CSR_MGMT_DMA_DONE	FIELD32(0x00000100)
-#define INT_SOURCE_CSR_MCU_COMMAND	FIELD32(0x00000200)
-#define INT_SOURCE_CSR_RXTX_COHERENT	FIELD32(0x00000400)
-#define INT_SOURCE_CSR_TBTT		FIELD32(0x00000800)
-#define INT_SOURCE_CSR_PRE_TBTT		FIELD32(0x00001000)
-#define INT_SOURCE_CSR_TX_FIFO_STATUS	FIELD32(0x00002000)
-#define INT_SOURCE_CSR_AUTO_WAKEUP	FIELD32(0x00004000)
-#define INT_SOURCE_CSR_GPTIMER		FIELD32(0x00008000)
-#define INT_SOURCE_CSR_RX_COHERENT	FIELD32(0x00010000)
-#define INT_SOURCE_CSR_TX_COHERENT	FIELD32(0x00020000)
-
-/*
- * INT_MASK_CSR: Interrupt MASK register. 1: the interrupt is mask OFF.
- */
-#define INT_MASK_CSR			0x0204
-#define INT_MASK_CSR_RXDELAYINT		FIELD32(0x00000001)
-#define INT_MASK_CSR_TXDELAYINT		FIELD32(0x00000002)
-#define INT_MASK_CSR_RX_DONE		FIELD32(0x00000004)
-#define INT_MASK_CSR_AC0_DMA_DONE	FIELD32(0x00000008)
-#define INT_MASK_CSR_AC1_DMA_DONE	FIELD32(0x00000010)
-#define INT_MASK_CSR_AC2_DMA_DONE	FIELD32(0x00000020)
-#define INT_MASK_CSR_AC3_DMA_DONE	FIELD32(0x00000040)
-#define INT_MASK_CSR_HCCA_DMA_DONE	FIELD32(0x00000080)
-#define INT_MASK_CSR_MGMT_DMA_DONE	FIELD32(0x00000100)
-#define INT_MASK_CSR_MCU_COMMAND	FIELD32(0x00000200)
-#define INT_MASK_CSR_RXTX_COHERENT	FIELD32(0x00000400)
-#define INT_MASK_CSR_TBTT		FIELD32(0x00000800)
-#define INT_MASK_CSR_PRE_TBTT		FIELD32(0x00001000)
-#define INT_MASK_CSR_TX_FIFO_STATUS	FIELD32(0x00002000)
-#define INT_MASK_CSR_AUTO_WAKEUP	FIELD32(0x00004000)
-#define INT_MASK_CSR_GPTIMER		FIELD32(0x00008000)
-#define INT_MASK_CSR_RX_COHERENT	FIELD32(0x00010000)
-#define INT_MASK_CSR_TX_COHERENT	FIELD32(0x00020000)
-
-/*
- * WPDMA_GLO_CFG
- */
-#define WPDMA_GLO_CFG 			0x0208
-#define WPDMA_GLO_CFG_ENABLE_TX_DMA	FIELD32(0x00000001)
-#define WPDMA_GLO_CFG_TX_DMA_BUSY    	FIELD32(0x00000002)
-#define WPDMA_GLO_CFG_ENABLE_RX_DMA	FIELD32(0x00000004)
-#define WPDMA_GLO_CFG_RX_DMA_BUSY	FIELD32(0x00000008)
-#define WPDMA_GLO_CFG_WP_DMA_BURST_SIZE	FIELD32(0x00000030)
-#define WPDMA_GLO_CFG_TX_WRITEBACK_DONE	FIELD32(0x00000040)
-#define WPDMA_GLO_CFG_BIG_ENDIAN	FIELD32(0x00000080)
-#define WPDMA_GLO_CFG_RX_HDR_SCATTER	FIELD32(0x0000ff00)
-#define WPDMA_GLO_CFG_HDR_SEG_LEN	FIELD32(0xffff0000)
-
-/*
- * WPDMA_RST_IDX
- */
-#define WPDMA_RST_IDX 			0x020c
-#define WPDMA_RST_IDX_DTX_IDX0		FIELD32(0x00000001)
-#define WPDMA_RST_IDX_DTX_IDX1		FIELD32(0x00000002)
-#define WPDMA_RST_IDX_DTX_IDX2		FIELD32(0x00000004)
-#define WPDMA_RST_IDX_DTX_IDX3		FIELD32(0x00000008)
-#define WPDMA_RST_IDX_DTX_IDX4		FIELD32(0x00000010)
-#define WPDMA_RST_IDX_DTX_IDX5		FIELD32(0x00000020)
-#define WPDMA_RST_IDX_DRX_IDX0		FIELD32(0x00010000)
-
-/*
- * DELAY_INT_CFG
- */
-#define DELAY_INT_CFG			0x0210
-#define DELAY_INT_CFG_RXMAX_PTIME	FIELD32(0x000000ff)
-#define DELAY_INT_CFG_RXMAX_PINT	FIELD32(0x00007f00)
-#define DELAY_INT_CFG_RXDLY_INT_EN	FIELD32(0x00008000)
-#define DELAY_INT_CFG_TXMAX_PTIME	FIELD32(0x00ff0000)
-#define DELAY_INT_CFG_TXMAX_PINT	FIELD32(0x7f000000)
-#define DELAY_INT_CFG_TXDLY_INT_EN	FIELD32(0x80000000)
-
-/*
- * WMM_AIFSN_CFG: Aifsn for each EDCA AC
- * AIFSN0: AC_BE
- * AIFSN1: AC_BK
- * AIFSN1: AC_VI
- * AIFSN1: AC_VO
- */
-#define WMM_AIFSN_CFG			0x0214
-#define WMM_AIFSN_CFG_AIFSN0		FIELD32(0x0000000f)
-#define WMM_AIFSN_CFG_AIFSN1		FIELD32(0x000000f0)
-#define WMM_AIFSN_CFG_AIFSN2		FIELD32(0x00000f00)
-#define WMM_AIFSN_CFG_AIFSN3		FIELD32(0x0000f000)
-
-/*
- * WMM_CWMIN_CSR: CWmin for each EDCA AC
- * CWMIN0: AC_BE
- * CWMIN1: AC_BK
- * CWMIN1: AC_VI
- * CWMIN1: AC_VO
- */
-#define WMM_CWMIN_CFG			0x0218
-#define WMM_CWMIN_CFG_CWMIN0		FIELD32(0x0000000f)
-#define WMM_CWMIN_CFG_CWMIN1		FIELD32(0x000000f0)
-#define WMM_CWMIN_CFG_CWMIN2		FIELD32(0x00000f00)
-#define WMM_CWMIN_CFG_CWMIN3		FIELD32(0x0000f000)
-
-/*
- * WMM_CWMAX_CSR: CWmax for each EDCA AC
- * CWMAX0: AC_BE
- * CWMAX1: AC_BK
- * CWMAX1: AC_VI
- * CWMAX1: AC_VO
- */
-#define WMM_CWMAX_CFG			0x021c
-#define WMM_CWMAX_CFG_CWMAX0		FIELD32(0x0000000f)
-#define WMM_CWMAX_CFG_CWMAX1		FIELD32(0x000000f0)
-#define WMM_CWMAX_CFG_CWMAX2		FIELD32(0x00000f00)
-#define WMM_CWMAX_CFG_CWMAX3		FIELD32(0x0000f000)
-
-/*
- * AC_TXOP0: AC_BK/AC_BE TXOP register
- * AC0TXOP: AC_BK in unit of 32us
- * AC1TXOP: AC_BE in unit of 32us
- */
-#define WMM_TXOP0_CFG			0x0220
-#define WMM_TXOP0_CFG_AC0TXOP		FIELD32(0x0000ffff)
-#define WMM_TXOP0_CFG_AC1TXOP		FIELD32(0xffff0000)
-
-/*
- * AC_TXOP1: AC_VO/AC_VI TXOP register
- * AC2TXOP: AC_VI in unit of 32us
- * AC3TXOP: AC_VO in unit of 32us
- */
-#define WMM_TXOP1_CFG			0x0224
-#define WMM_TXOP1_CFG_AC2TXOP		FIELD32(0x0000ffff)
-#define WMM_TXOP1_CFG_AC3TXOP		FIELD32(0xffff0000)
-
-/*
- * GPIO_CTRL_CFG:
- */
-#define GPIO_CTRL_CFG			0x0228
-#define GPIO_CTRL_CFG_BIT0		FIELD32(0x00000001)
-#define GPIO_CTRL_CFG_BIT1		FIELD32(0x00000002)
-#define GPIO_CTRL_CFG_BIT2		FIELD32(0x00000004)
-#define GPIO_CTRL_CFG_BIT3		FIELD32(0x00000008)
-#define GPIO_CTRL_CFG_BIT4		FIELD32(0x00000010)
-#define GPIO_CTRL_CFG_BIT5		FIELD32(0x00000020)
-#define GPIO_CTRL_CFG_BIT6		FIELD32(0x00000040)
-#define GPIO_CTRL_CFG_BIT7		FIELD32(0x00000080)
-#define GPIO_CTRL_CFG_BIT8		FIELD32(0x00000100)
-
-/*
- * MCU_CMD_CFG
- */
-#define MCU_CMD_CFG			0x022c
-
-/*
- * AC_BK register offsets
- */
-#define TX_BASE_PTR0			0x0230
-#define TX_MAX_CNT0			0x0234
-#define TX_CTX_IDX0			0x0238
-#define TX_DTX_IDX0			0x023c
-
-/*
- * AC_BE register offsets
- */
-#define TX_BASE_PTR1			0x0240
-#define TX_MAX_CNT1			0x0244
-#define TX_CTX_IDX1			0x0248
-#define TX_DTX_IDX1			0x024c
-
-/*
- * AC_VI register offsets
- */
-#define TX_BASE_PTR2			0x0250
-#define TX_MAX_CNT2			0x0254
-#define TX_CTX_IDX2			0x0258
-#define TX_DTX_IDX2			0x025c
-
-/*
- * AC_VO register offsets
- */
-#define TX_BASE_PTR3			0x0260
-#define TX_MAX_CNT3			0x0264
-#define TX_CTX_IDX3			0x0268
-#define TX_DTX_IDX3			0x026c
-
-/*
- * HCCA register offsets
- */
-#define TX_BASE_PTR4			0x0270
-#define TX_MAX_CNT4			0x0274
-#define TX_CTX_IDX4			0x0278
-#define TX_DTX_IDX4			0x027c
-
-/*
- * MGMT register offsets
- */
-#define TX_BASE_PTR5			0x0280
-#define TX_MAX_CNT5			0x0284
-#define TX_CTX_IDX5			0x0288
-#define TX_DTX_IDX5			0x028c
-
-/*
- * RX register offsets
- */
-#define RX_BASE_PTR			0x0290
-#define RX_MAX_CNT			0x0294
-#define RX_CRX_IDX			0x0298
-#define RX_DRX_IDX			0x029c
-
-/*
- * USB_DMA_CFG
- * RX_BULK_AGG_TIMEOUT: Rx Bulk Aggregation TimeOut in unit of 33ns.
- * RX_BULK_AGG_LIMIT: Rx Bulk Aggregation Limit in unit of 256 bytes.
- * PHY_CLEAR: phy watch dog enable.
- * TX_CLEAR: Clear USB DMA TX path.
- * TXOP_HALT: Halt TXOP count down when TX buffer is full.
- * RX_BULK_AGG_EN: Enable Rx Bulk Aggregation.
- * RX_BULK_EN: Enable USB DMA Rx.
- * TX_BULK_EN: Enable USB DMA Tx.
- * EP_OUT_VALID: OUT endpoint data valid.
- * RX_BUSY: USB DMA RX FSM busy.
- * TX_BUSY: USB DMA TX FSM busy.
- */
-#define USB_DMA_CFG			0x02a0
-#define USB_DMA_CFG_RX_BULK_AGG_TIMEOUT	FIELD32(0x000000ff)
-#define USB_DMA_CFG_RX_BULK_AGG_LIMIT	FIELD32(0x0000ff00)
-#define USB_DMA_CFG_PHY_CLEAR		FIELD32(0x00010000)
-#define USB_DMA_CFG_TX_CLEAR		FIELD32(0x00080000)
-#define USB_DMA_CFG_TXOP_HALT		FIELD32(0x00100000)
-#define USB_DMA_CFG_RX_BULK_AGG_EN	FIELD32(0x00200000)
-#define USB_DMA_CFG_RX_BULK_EN		FIELD32(0x00400000)
-#define USB_DMA_CFG_TX_BULK_EN		FIELD32(0x00800000)
-#define USB_DMA_CFG_EP_OUT_VALID	FIELD32(0x3f000000)
-#define USB_DMA_CFG_RX_BUSY		FIELD32(0x40000000)
-#define USB_DMA_CFG_TX_BUSY		FIELD32(0x80000000)
-
-/*
- * USB_CYC_CFG
- */
-#define USB_CYC_CFG			0x02a4
-#define USB_CYC_CFG_CLOCK_CYCLE		FIELD32(0x000000ff)
-
-/*
- * PBF_SYS_CTRL
- * HOST_RAM_WRITE: enable Host program ram write selection
- */
-#define PBF_SYS_CTRL			0x0400
-#define PBF_SYS_CTRL_READY		FIELD32(0x00000080)
-#define PBF_SYS_CTRL_HOST_RAM_WRITE	FIELD32(0x00010000)
-
-/*
- * HOST-MCU shared memory
- */
-#define HOST_CMD_CSR			0x0404
-#define HOST_CMD_CSR_HOST_COMMAND	FIELD32(0x000000ff)
-
-/*
- * PBF registers
- * Most are for debug. Driver doesn't touch PBF register.
- */
-#define PBF_CFG				0x0408
-#define PBF_MAX_PCNT			0x040c
-#define PBF_CTRL			0x0410
-#define PBF_INT_STA			0x0414
-#define PBF_INT_ENA			0x0418
-
-/*
- * BCN_OFFSET0:
- */
-#define BCN_OFFSET0			0x042c
-#define BCN_OFFSET0_BCN0		FIELD32(0x000000ff)
-#define BCN_OFFSET0_BCN1		FIELD32(0x0000ff00)
-#define BCN_OFFSET0_BCN2		FIELD32(0x00ff0000)
-#define BCN_OFFSET0_BCN3		FIELD32(0xff000000)
-
-/*
- * BCN_OFFSET1:
- */
-#define BCN_OFFSET1			0x0430
-#define BCN_OFFSET1_BCN4		FIELD32(0x000000ff)
-#define BCN_OFFSET1_BCN5		FIELD32(0x0000ff00)
-#define BCN_OFFSET1_BCN6		FIELD32(0x00ff0000)
-#define BCN_OFFSET1_BCN7		FIELD32(0xff000000)
-
-/*
- * PBF registers
- * Most are for debug. Driver doesn't touch PBF register.
- */
-#define TXRXQ_PCNT			0x0438
-#define PBF_DBG				0x043c
-
-/*
- * RF registers
- */
-#define	RF_CSR_CFG			0x0500
-#define RF_CSR_CFG_DATA			FIELD32(0x000000ff)
-#define RF_CSR_CFG_REGNUM		FIELD32(0x00001f00)
-#define RF_CSR_CFG_WRITE		FIELD32(0x00010000)
-#define RF_CSR_CFG_BUSY			FIELD32(0x00020000)
-
-/*
- * MAC Control/Status Registers(CSR).
- * Some values are set in TU, whereas 1 TU == 1024 us.
- */
-
-/*
- * MAC_CSR0: ASIC revision number.
- * ASIC_REV: 0
- * ASIC_VER: 2870
- */
-#define MAC_CSR0			0x1000
-#define MAC_CSR0_ASIC_REV		FIELD32(0x0000ffff)
-#define MAC_CSR0_ASIC_VER		FIELD32(0xffff0000)
-
-/*
- * MAC_SYS_CTRL:
- */
-#define MAC_SYS_CTRL			0x1004
-#define MAC_SYS_CTRL_RESET_CSR		FIELD32(0x00000001)
-#define MAC_SYS_CTRL_RESET_BBP		FIELD32(0x00000002)
-#define MAC_SYS_CTRL_ENABLE_TX		FIELD32(0x00000004)
-#define MAC_SYS_CTRL_ENABLE_RX		FIELD32(0x00000008)
-#define MAC_SYS_CTRL_CONTINUOUS_TX	FIELD32(0x00000010)
-#define MAC_SYS_CTRL_LOOPBACK		FIELD32(0x00000020)
-#define MAC_SYS_CTRL_WLAN_HALT		FIELD32(0x00000040)
-#define MAC_SYS_CTRL_RX_TIMESTAMP	FIELD32(0x00000080)
-
-/*
- * MAC_ADDR_DW0: STA MAC register 0
- */
-#define MAC_ADDR_DW0			0x1008
-#define MAC_ADDR_DW0_BYTE0		FIELD32(0x000000ff)
-#define MAC_ADDR_DW0_BYTE1		FIELD32(0x0000ff00)
-#define MAC_ADDR_DW0_BYTE2		FIELD32(0x00ff0000)
-#define MAC_ADDR_DW0_BYTE3		FIELD32(0xff000000)
-
-/*
- * MAC_ADDR_DW1: STA MAC register 1
- * UNICAST_TO_ME_MASK:
- * Used to mask off bits from byte 5 of the MAC address
- * to determine the UNICAST_TO_ME bit for RX frames.
- * The full mask is complemented by BSS_ID_MASK:
- *    MASK = BSS_ID_MASK & UNICAST_TO_ME_MASK
- */
-#define MAC_ADDR_DW1			0x100c
-#define MAC_ADDR_DW1_BYTE4		FIELD32(0x000000ff)
-#define MAC_ADDR_DW1_BYTE5		FIELD32(0x0000ff00)
-#define MAC_ADDR_DW1_UNICAST_TO_ME_MASK	FIELD32(0x00ff0000)
-
-/*
- * MAC_BSSID_DW0: BSSID register 0
- */
-#define MAC_BSSID_DW0			0x1010
-#define MAC_BSSID_DW0_BYTE0		FIELD32(0x000000ff)
-#define MAC_BSSID_DW0_BYTE1		FIELD32(0x0000ff00)
-#define MAC_BSSID_DW0_BYTE2		FIELD32(0x00ff0000)
-#define MAC_BSSID_DW0_BYTE3		FIELD32(0xff000000)
-
-/*
- * MAC_BSSID_DW1: BSSID register 1
- * BSS_ID_MASK:
- *     0: 1-BSSID mode (BSS index = 0)
- *     1: 2-BSSID mode (BSS index: Byte5, bit 0)
- *     2: 4-BSSID mode (BSS index: byte5, bit 0 - 1)
- *     3: 8-BSSID mode (BSS index: byte5, bit 0 - 2)
- * This mask is used to mask off bits 0, 1 and 2 of byte 5 of the
- * BSSID. This will make sure that those bits will be ignored
- * when determining the MY_BSS of RX frames.
- */
-#define MAC_BSSID_DW1			0x1014
-#define MAC_BSSID_DW1_BYTE4		FIELD32(0x000000ff)
-#define MAC_BSSID_DW1_BYTE5		FIELD32(0x0000ff00)
-#define MAC_BSSID_DW1_BSS_ID_MASK	FIELD32(0x00030000)
-#define MAC_BSSID_DW1_BSS_BCN_NUM	FIELD32(0x001c0000)
-
-/*
- * MAX_LEN_CFG: Maximum frame length register.
- * MAX_MPDU: rt2860b max 16k bytes
- * MAX_PSDU: Maximum PSDU length
- *	(power factor) 0:2^13, 1:2^14, 2:2^15, 3:2^16
- */
-#define MAX_LEN_CFG			0x1018
-#define MAX_LEN_CFG_MAX_MPDU		FIELD32(0x00000fff)
-#define MAX_LEN_CFG_MAX_PSDU		FIELD32(0x00003000)
-#define MAX_LEN_CFG_MIN_PSDU		FIELD32(0x0000c000)
-#define MAX_LEN_CFG_MIN_MPDU		FIELD32(0x000f0000)
-
-/*
- * BBP_CSR_CFG: BBP serial control register
- * VALUE: Register value to program into BBP
- * REG_NUM: Selected BBP register
- * READ_CONTROL: 0 write BBP, 1 read BBP
- * BUSY: ASIC is busy executing BBP commands
- * BBP_PAR_DUR: 0 4 MAC clocks, 1 8 MAC clocks
- * BBP_RW_MODE: 0 serial, 1 paralell
- */
-#define BBP_CSR_CFG			0x101c
-#define BBP_CSR_CFG_VALUE		FIELD32(0x000000ff)
-#define BBP_CSR_CFG_REGNUM		FIELD32(0x0000ff00)
-#define BBP_CSR_CFG_READ_CONTROL	FIELD32(0x00010000)
-#define BBP_CSR_CFG_BUSY		FIELD32(0x00020000)
-#define BBP_CSR_CFG_BBP_PAR_DUR		FIELD32(0x00040000)
-#define BBP_CSR_CFG_BBP_RW_MODE		FIELD32(0x00080000)
-
-/*
- * RF_CSR_CFG0: RF control register
- * REGID_AND_VALUE: Register value to program into RF
- * BITWIDTH: Selected RF register
- * STANDBYMODE: 0 high when standby, 1 low when standby
- * SEL: 0 RF_LE0 activate, 1 RF_LE1 activate
- * BUSY: ASIC is busy executing RF commands
- */
-#define RF_CSR_CFG0			0x1020
-#define RF_CSR_CFG0_REGID_AND_VALUE	FIELD32(0x00ffffff)
-#define RF_CSR_CFG0_BITWIDTH		FIELD32(0x1f000000)
-#define RF_CSR_CFG0_REG_VALUE_BW	FIELD32(0x1fffffff)
-#define RF_CSR_CFG0_STANDBYMODE		FIELD32(0x20000000)
-#define RF_CSR_CFG0_SEL			FIELD32(0x40000000)
-#define RF_CSR_CFG0_BUSY		FIELD32(0x80000000)
-
-/*
- * RF_CSR_CFG1: RF control register
- * REGID_AND_VALUE: Register value to program into RF
- * RFGAP: Gap between BB_CONTROL_RF and RF_LE
- *        0: 3 system clock cycle (37.5usec)
- *        1: 5 system clock cycle (62.5usec)
- */
-#define RF_CSR_CFG1			0x1024
-#define RF_CSR_CFG1_REGID_AND_VALUE	FIELD32(0x00ffffff)
-#define RF_CSR_CFG1_RFGAP		FIELD32(0x1f000000)
-
-/*
- * RF_CSR_CFG2: RF control register
- * VALUE: Register value to program into RF
- * RFGAP: Gap between BB_CONTROL_RF and RF_LE
- *        0: 3 system clock cycle (37.5usec)
- *        1: 5 system clock cycle (62.5usec)
- */
-#define RF_CSR_CFG2			0x1028
-#define RF_CSR_CFG2_VALUE		FIELD32(0x00ffffff)
-
-/*
- * LED_CFG: LED control
- * color LED's:
- *   0: off
- *   1: blinking upon TX2
- *   2: periodic slow blinking
- *   3: always on
- * LED polarity:
- *   0: active low
- *   1: active high
- */
-#define LED_CFG				0x102c
-#define LED_CFG_ON_PERIOD		FIELD32(0x000000ff)
-#define LED_CFG_OFF_PERIOD		FIELD32(0x0000ff00)
-#define LED_CFG_SLOW_BLINK_PERIOD	FIELD32(0x003f0000)
-#define LED_CFG_R_LED_MODE		FIELD32(0x03000000)
-#define LED_CFG_G_LED_MODE		FIELD32(0x0c000000)
-#define LED_CFG_Y_LED_MODE		FIELD32(0x30000000)
-#define LED_CFG_LED_POLAR		FIELD32(0x40000000)
-
-/*
- * XIFS_TIME_CFG: MAC timing
- * CCKM_SIFS_TIME: unit 1us. Applied after CCK RX/TX
- * OFDM_SIFS_TIME: unit 1us. Applied after OFDM RX/TX
- * OFDM_XIFS_TIME: unit 1us. Applied after OFDM RX
- *	when MAC doesn't reference BBP signal BBRXEND
- * EIFS: unit 1us
- * BB_RXEND_ENABLE: reference RXEND signal to begin XIFS defer
- *
- */
-#define XIFS_TIME_CFG			0x1100
-#define XIFS_TIME_CFG_CCKM_SIFS_TIME	FIELD32(0x000000ff)
-#define XIFS_TIME_CFG_OFDM_SIFS_TIME	FIELD32(0x0000ff00)
-#define XIFS_TIME_CFG_OFDM_XIFS_TIME	FIELD32(0x000f0000)
-#define XIFS_TIME_CFG_EIFS		FIELD32(0x1ff00000)
-#define XIFS_TIME_CFG_BB_RXEND_ENABLE	FIELD32(0x20000000)
-
-/*
- * BKOFF_SLOT_CFG:
- */
-#define BKOFF_SLOT_CFG			0x1104
-#define BKOFF_SLOT_CFG_SLOT_TIME	FIELD32(0x000000ff)
-#define BKOFF_SLOT_CFG_CC_DELAY_TIME	FIELD32(0x0000ff00)
-
-/*
- * NAV_TIME_CFG:
- */
-#define NAV_TIME_CFG			0x1108
-#define NAV_TIME_CFG_SIFS		FIELD32(0x000000ff)
-#define NAV_TIME_CFG_SLOT_TIME		FIELD32(0x0000ff00)
-#define NAV_TIME_CFG_EIFS		FIELD32(0x01ff0000)
-#define NAV_TIME_ZERO_SIFS		FIELD32(0x02000000)
-
-/*
- * CH_TIME_CFG: count as channel busy
- */
-#define CH_TIME_CFG     	        0x110c
-
-/*
- * PBF_LIFE_TIMER: TX/RX MPDU timestamp timer (free run) Unit: 1us
- */
-#define PBF_LIFE_TIMER     	        0x1110
-
-/*
- * BCN_TIME_CFG:
- * BEACON_INTERVAL: in unit of 1/16 TU
- * TSF_TICKING: Enable TSF auto counting
- * TSF_SYNC: Enable TSF sync, 00: disable, 01: infra mode, 10: ad-hoc mode
- * BEACON_GEN: Enable beacon generator
- */
-#define BCN_TIME_CFG			0x1114
-#define BCN_TIME_CFG_BEACON_INTERVAL	FIELD32(0x0000ffff)
-#define BCN_TIME_CFG_TSF_TICKING	FIELD32(0x00010000)
-#define BCN_TIME_CFG_TSF_SYNC		FIELD32(0x00060000)
-#define BCN_TIME_CFG_TBTT_ENABLE	FIELD32(0x00080000)
-#define BCN_TIME_CFG_BEACON_GEN		FIELD32(0x00100000)
-#define BCN_TIME_CFG_TX_TIME_COMPENSATE	FIELD32(0xf0000000)
-
-/*
- * TBTT_SYNC_CFG:
- */
-#define TBTT_SYNC_CFG			0x1118
-
-/*
- * TSF_TIMER_DW0: Local lsb TSF timer, read-only
- */
-#define TSF_TIMER_DW0			0x111c
-#define TSF_TIMER_DW0_LOW_WORD		FIELD32(0xffffffff)
-
-/*
- * TSF_TIMER_DW1: Local msb TSF timer, read-only
- */
-#define TSF_TIMER_DW1			0x1120
-#define TSF_TIMER_DW1_HIGH_WORD		FIELD32(0xffffffff)
-
-/*
- * TBTT_TIMER: TImer remains till next TBTT, read-only
- */
-#define TBTT_TIMER			0x1124
-
-/*
- * INT_TIMER_CFG:
- */
-#define INT_TIMER_CFG			0x1128
-
-/*
- * INT_TIMER_EN: GP-timer and pre-tbtt Int enable
- */
-#define INT_TIMER_EN			0x112c
-
-/*
- * CH_IDLE_STA: channel idle time
- */
-#define CH_IDLE_STA			0x1130
-
-/*
- * CH_BUSY_STA: channel busy time
- */
-#define CH_BUSY_STA			0x1134
-
-/*
- * MAC_STATUS_CFG:
- * BBP_RF_BUSY: When set to 0, BBP and RF are stable.
- *	if 1 or higher one of the 2 registers is busy.
- */
-#define MAC_STATUS_CFG			0x1200
-#define MAC_STATUS_CFG_BBP_RF_BUSY	FIELD32(0x00000003)
-
-/*
- * PWR_PIN_CFG:
- */
-#define PWR_PIN_CFG			0x1204
-
-/*
- * AUTOWAKEUP_CFG: Manual power control / status register
- * TBCN_BEFORE_WAKE: ForceWake has high privilege than PutToSleep when both set
- * AUTOWAKE: 0:sleep, 1:awake
- */
-#define AUTOWAKEUP_CFG			0x1208
-#define AUTOWAKEUP_CFG_AUTO_LEAD_TIME	FIELD32(0x000000ff)
-#define AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE	FIELD32(0x00007f00)
-#define AUTOWAKEUP_CFG_AUTOWAKE		FIELD32(0x00008000)
-
-/*
- * EDCA_AC0_CFG:
- */
-#define EDCA_AC0_CFG			0x1300
-#define EDCA_AC0_CFG_TX_OP		FIELD32(0x000000ff)
-#define EDCA_AC0_CFG_AIFSN		FIELD32(0x00000f00)
-#define EDCA_AC0_CFG_CWMIN		FIELD32(0x0000f000)
-#define EDCA_AC0_CFG_CWMAX		FIELD32(0x000f0000)
-
-/*
- * EDCA_AC1_CFG:
- */
-#define EDCA_AC1_CFG			0x1304
-#define EDCA_AC1_CFG_TX_OP		FIELD32(0x000000ff)
-#define EDCA_AC1_CFG_AIFSN		FIELD32(0x00000f00)
-#define EDCA_AC1_CFG_CWMIN		FIELD32(0x0000f000)
-#define EDCA_AC1_CFG_CWMAX		FIELD32(0x000f0000)
-
-/*
- * EDCA_AC2_CFG:
- */
-#define EDCA_AC2_CFG			0x1308
-#define EDCA_AC2_CFG_TX_OP		FIELD32(0x000000ff)
-#define EDCA_AC2_CFG_AIFSN		FIELD32(0x00000f00)
-#define EDCA_AC2_CFG_CWMIN		FIELD32(0x0000f000)
-#define EDCA_AC2_CFG_CWMAX		FIELD32(0x000f0000)
-
-/*
- * EDCA_AC3_CFG:
- */
-#define EDCA_AC3_CFG			0x130c
-#define EDCA_AC3_CFG_TX_OP		FIELD32(0x000000ff)
-#define EDCA_AC3_CFG_AIFSN		FIELD32(0x00000f00)
-#define EDCA_AC3_CFG_CWMIN		FIELD32(0x0000f000)
-#define EDCA_AC3_CFG_CWMAX		FIELD32(0x000f0000)
-
-/*
- * EDCA_TID_AC_MAP:
- */
-#define EDCA_TID_AC_MAP			0x1310
-
-/*
- * TX_PWR_CFG_0:
- */
-#define TX_PWR_CFG_0			0x1314
-#define TX_PWR_CFG_0_1MBS		FIELD32(0x0000000f)
-#define TX_PWR_CFG_0_2MBS		FIELD32(0x000000f0)
-#define TX_PWR_CFG_0_55MBS		FIELD32(0x00000f00)
-#define TX_PWR_CFG_0_11MBS		FIELD32(0x0000f000)
-#define TX_PWR_CFG_0_6MBS		FIELD32(0x000f0000)
-#define TX_PWR_CFG_0_9MBS		FIELD32(0x00f00000)
-#define TX_PWR_CFG_0_12MBS		FIELD32(0x0f000000)
-#define TX_PWR_CFG_0_18MBS		FIELD32(0xf0000000)
-
-/*
- * TX_PWR_CFG_1:
- */
-#define TX_PWR_CFG_1			0x1318
-#define TX_PWR_CFG_1_24MBS		FIELD32(0x0000000f)
-#define TX_PWR_CFG_1_36MBS		FIELD32(0x000000f0)
-#define TX_PWR_CFG_1_48MBS		FIELD32(0x00000f00)
-#define TX_PWR_CFG_1_54MBS		FIELD32(0x0000f000)
-#define TX_PWR_CFG_1_MCS0		FIELD32(0x000f0000)
-#define TX_PWR_CFG_1_MCS1		FIELD32(0x00f00000)
-#define TX_PWR_CFG_1_MCS2		FIELD32(0x0f000000)
-#define TX_PWR_CFG_1_MCS3		FIELD32(0xf0000000)
-
-/*
- * TX_PWR_CFG_2:
- */
-#define TX_PWR_CFG_2			0x131c
-#define TX_PWR_CFG_2_MCS4		FIELD32(0x0000000f)
-#define TX_PWR_CFG_2_MCS5		FIELD32(0x000000f0)
-#define TX_PWR_CFG_2_MCS6		FIELD32(0x00000f00)
-#define TX_PWR_CFG_2_MCS7		FIELD32(0x0000f000)
-#define TX_PWR_CFG_2_MCS8		FIELD32(0x000f0000)
-#define TX_PWR_CFG_2_MCS9		FIELD32(0x00f00000)
-#define TX_PWR_CFG_2_MCS10		FIELD32(0x0f000000)
-#define TX_PWR_CFG_2_MCS11		FIELD32(0xf0000000)
-
-/*
- * TX_PWR_CFG_3:
- */
-#define TX_PWR_CFG_3			0x1320
-#define TX_PWR_CFG_3_MCS12		FIELD32(0x0000000f)
-#define TX_PWR_CFG_3_MCS13		FIELD32(0x000000f0)
-#define TX_PWR_CFG_3_MCS14		FIELD32(0x00000f00)
-#define TX_PWR_CFG_3_MCS15		FIELD32(0x0000f000)
-#define TX_PWR_CFG_3_UKNOWN1		FIELD32(0x000f0000)
-#define TX_PWR_CFG_3_UKNOWN2		FIELD32(0x00f00000)
-#define TX_PWR_CFG_3_UKNOWN3		FIELD32(0x0f000000)
-#define TX_PWR_CFG_3_UKNOWN4		FIELD32(0xf0000000)
-
-/*
- * TX_PWR_CFG_4:
- */
-#define TX_PWR_CFG_4			0x1324
-#define TX_PWR_CFG_4_UKNOWN5		FIELD32(0x0000000f)
-#define TX_PWR_CFG_4_UKNOWN6		FIELD32(0x000000f0)
-#define TX_PWR_CFG_4_UKNOWN7		FIELD32(0x00000f00)
-#define TX_PWR_CFG_4_UKNOWN8		FIELD32(0x0000f000)
-
-/*
- * TX_PIN_CFG:
- */
-#define TX_PIN_CFG			0x1328
-#define TX_PIN_CFG_PA_PE_A0_EN		FIELD32(0x00000001)
-#define TX_PIN_CFG_PA_PE_G0_EN		FIELD32(0x00000002)
-#define TX_PIN_CFG_PA_PE_A1_EN		FIELD32(0x00000004)
-#define TX_PIN_CFG_PA_PE_G1_EN		FIELD32(0x00000008)
-#define TX_PIN_CFG_PA_PE_A0_POL		FIELD32(0x00000010)
-#define TX_PIN_CFG_PA_PE_G0_POL		FIELD32(0x00000020)
-#define TX_PIN_CFG_PA_PE_A1_POL		FIELD32(0x00000040)
-#define TX_PIN_CFG_PA_PE_G1_POL		FIELD32(0x00000080)
-#define TX_PIN_CFG_LNA_PE_A0_EN		FIELD32(0x00000100)
-#define TX_PIN_CFG_LNA_PE_G0_EN		FIELD32(0x00000200)
-#define TX_PIN_CFG_LNA_PE_A1_EN		FIELD32(0x00000400)
-#define TX_PIN_CFG_LNA_PE_G1_EN		FIELD32(0x00000800)
-#define TX_PIN_CFG_LNA_PE_A0_POL	FIELD32(0x00001000)
-#define TX_PIN_CFG_LNA_PE_G0_POL	FIELD32(0x00002000)
-#define TX_PIN_CFG_LNA_PE_A1_POL	FIELD32(0x00004000)
-#define TX_PIN_CFG_LNA_PE_G1_POL	FIELD32(0x00008000)
-#define TX_PIN_CFG_RFTR_EN		FIELD32(0x00010000)
-#define TX_PIN_CFG_RFTR_POL		FIELD32(0x00020000)
-#define TX_PIN_CFG_TRSW_EN		FIELD32(0x00040000)
-#define TX_PIN_CFG_TRSW_POL		FIELD32(0x00080000)
-
-/*
- * TX_BAND_CFG: 0x1 use upper 20MHz, 0x0 use lower 20MHz
- */
-#define TX_BAND_CFG			0x132c
-#define TX_BAND_CFG_HT40_PLUS		FIELD32(0x00000001)
-#define TX_BAND_CFG_A			FIELD32(0x00000002)
-#define TX_BAND_CFG_BG			FIELD32(0x00000004)
-
-/*
- * TX_SW_CFG0:
- */
-#define TX_SW_CFG0			0x1330
-
-/*
- * TX_SW_CFG1:
- */
-#define TX_SW_CFG1			0x1334
-
-/*
- * TX_SW_CFG2:
- */
-#define TX_SW_CFG2			0x1338
-
-/*
- * TXOP_THRES_CFG:
- */
-#define TXOP_THRES_CFG			0x133c
-
-/*
- * TXOP_CTRL_CFG:
- */
-#define TXOP_CTRL_CFG			0x1340
-
-/*
- * TX_RTS_CFG:
- * RTS_THRES: unit:byte
- * RTS_FBK_EN: enable rts rate fallback
- */
-#define TX_RTS_CFG			0x1344
-#define TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT	FIELD32(0x000000ff)
-#define TX_RTS_CFG_RTS_THRES		FIELD32(0x00ffff00)
-#define TX_RTS_CFG_RTS_FBK_EN		FIELD32(0x01000000)
-
-/*
- * TX_TIMEOUT_CFG:
- * MPDU_LIFETIME: expiration time = 2^(9+MPDU LIFE TIME) us
- * RX_ACK_TIMEOUT: unit:slot. Used for TX procedure
- * TX_OP_TIMEOUT: TXOP timeout value for TXOP truncation.
- *                it is recommended that:
- *                (SLOT_TIME) > (TX_OP_TIMEOUT) > (RX_ACK_TIMEOUT)
- */
-#define TX_TIMEOUT_CFG			0x1348
-#define TX_TIMEOUT_CFG_MPDU_LIFETIME	FIELD32(0x000000f0)
-#define TX_TIMEOUT_CFG_RX_ACK_TIMEOUT	FIELD32(0x0000ff00)
-#define TX_TIMEOUT_CFG_TX_OP_TIMEOUT	FIELD32(0x00ff0000)
-
-/*
- * TX_RTY_CFG:
- * SHORT_RTY_LIMIT: short retry limit
- * LONG_RTY_LIMIT: long retry limit
- * LONG_RTY_THRE: Long retry threshoold
- * NON_AGG_RTY_MODE: Non-Aggregate MPDU retry mode
- *                   0:expired by retry limit, 1: expired by mpdu life timer
- * AGG_RTY_MODE: Aggregate MPDU retry mode
- *               0:expired by retry limit, 1: expired by mpdu life timer
- * TX_AUTO_FB_ENABLE: Tx retry PHY rate auto fallback enable
- */
-#define TX_RTY_CFG			0x134c
-#define TX_RTY_CFG_SHORT_RTY_LIMIT	FIELD32(0x000000ff)
-#define TX_RTY_CFG_LONG_RTY_LIMIT	FIELD32(0x0000ff00)
-#define TX_RTY_CFG_LONG_RTY_THRE	FIELD32(0x0fff0000)
-#define TX_RTY_CFG_NON_AGG_RTY_MODE	FIELD32(0x10000000)
-#define TX_RTY_CFG_AGG_RTY_MODE		FIELD32(0x20000000)
-#define TX_RTY_CFG_TX_AUTO_FB_ENABLE	FIELD32(0x40000000)
-
-/*
- * TX_LINK_CFG:
- * REMOTE_MFB_LIFETIME: remote MFB life time. unit: 32us
- * MFB_ENABLE: TX apply remote MFB 1:enable
- * REMOTE_UMFS_ENABLE: remote unsolicit  MFB enable
- *                     0: not apply remote remote unsolicit (MFS=7)
- * TX_MRQ_EN: MCS request TX enable
- * TX_RDG_EN: RDG TX enable
- * TX_CF_ACK_EN: Piggyback CF-ACK enable
- * REMOTE_MFB: remote MCS feedback
- * REMOTE_MFS: remote MCS feedback sequence number
- */
-#define TX_LINK_CFG			0x1350
-#define TX_LINK_CFG_REMOTE_MFB_LIFETIME	FIELD32(0x000000ff)
-#define TX_LINK_CFG_MFB_ENABLE		FIELD32(0x00000100)
-#define TX_LINK_CFG_REMOTE_UMFS_ENABLE	FIELD32(0x00000200)
-#define TX_LINK_CFG_TX_MRQ_EN		FIELD32(0x00000400)
-#define TX_LINK_CFG_TX_RDG_EN		FIELD32(0x00000800)
-#define TX_LINK_CFG_TX_CF_ACK_EN	FIELD32(0x00001000)
-#define TX_LINK_CFG_REMOTE_MFB		FIELD32(0x00ff0000)
-#define TX_LINK_CFG_REMOTE_MFS		FIELD32(0xff000000)
-
-/*
- * HT_FBK_CFG0:
- */
-#define HT_FBK_CFG0			0x1354
-#define HT_FBK_CFG0_HTMCS0FBK		FIELD32(0x0000000f)
-#define HT_FBK_CFG0_HTMCS1FBK		FIELD32(0x000000f0)
-#define HT_FBK_CFG0_HTMCS2FBK		FIELD32(0x00000f00)
-#define HT_FBK_CFG0_HTMCS3FBK		FIELD32(0x0000f000)
-#define HT_FBK_CFG0_HTMCS4FBK		FIELD32(0x000f0000)
-#define HT_FBK_CFG0_HTMCS5FBK		FIELD32(0x00f00000)
-#define HT_FBK_CFG0_HTMCS6FBK		FIELD32(0x0f000000)
-#define HT_FBK_CFG0_HTMCS7FBK		FIELD32(0xf0000000)
-
-/*
- * HT_FBK_CFG1:
- */
-#define HT_FBK_CFG1			0x1358
-#define HT_FBK_CFG1_HTMCS8FBK		FIELD32(0x0000000f)
-#define HT_FBK_CFG1_HTMCS9FBK		FIELD32(0x000000f0)
-#define HT_FBK_CFG1_HTMCS10FBK		FIELD32(0x00000f00)
-#define HT_FBK_CFG1_HTMCS11FBK		FIELD32(0x0000f000)
-#define HT_FBK_CFG1_HTMCS12FBK		FIELD32(0x000f0000)
-#define HT_FBK_CFG1_HTMCS13FBK		FIELD32(0x00f00000)
-#define HT_FBK_CFG1_HTMCS14FBK		FIELD32(0x0f000000)
-#define HT_FBK_CFG1_HTMCS15FBK		FIELD32(0xf0000000)
-
-/*
- * LG_FBK_CFG0:
- */
-#define LG_FBK_CFG0			0x135c
-#define LG_FBK_CFG0_OFDMMCS0FBK		FIELD32(0x0000000f)
-#define LG_FBK_CFG0_OFDMMCS1FBK		FIELD32(0x000000f0)
-#define LG_FBK_CFG0_OFDMMCS2FBK		FIELD32(0x00000f00)
-#define LG_FBK_CFG0_OFDMMCS3FBK		FIELD32(0x0000f000)
-#define LG_FBK_CFG0_OFDMMCS4FBK		FIELD32(0x000f0000)
-#define LG_FBK_CFG0_OFDMMCS5FBK		FIELD32(0x00f00000)
-#define LG_FBK_CFG0_OFDMMCS6FBK		FIELD32(0x0f000000)
-#define LG_FBK_CFG0_OFDMMCS7FBK		FIELD32(0xf0000000)
-
-/*
- * LG_FBK_CFG1:
- */
-#define LG_FBK_CFG1			0x1360
-#define LG_FBK_CFG0_CCKMCS0FBK		FIELD32(0x0000000f)
-#define LG_FBK_CFG0_CCKMCS1FBK		FIELD32(0x000000f0)
-#define LG_FBK_CFG0_CCKMCS2FBK		FIELD32(0x00000f00)
-#define LG_FBK_CFG0_CCKMCS3FBK		FIELD32(0x0000f000)
-
-/*
- * CCK_PROT_CFG: CCK Protection
- * PROTECT_RATE: Protection control frame rate for CCK TX(RTS/CTS/CFEnd)
- * PROTECT_CTRL: Protection control frame type for CCK TX
- *               0:none, 1:RTS/CTS, 2:CTS-to-self
- * PROTECT_NAV: TXOP protection type for CCK TX
- *              0:none, 1:ShortNAVprotect, 2:LongNAVProtect
- * TX_OP_ALLOW_CCK: CCK TXOP allowance, 0:disallow
- * TX_OP_ALLOW_OFDM: CCK TXOP allowance, 0:disallow
- * TX_OP_ALLOW_MM20: CCK TXOP allowance, 0:disallow
- * TX_OP_ALLOW_MM40: CCK TXOP allowance, 0:disallow
- * TX_OP_ALLOW_GF20: CCK TXOP allowance, 0:disallow
- * TX_OP_ALLOW_GF40: CCK TXOP allowance, 0:disallow
- * RTS_TH_EN: RTS threshold enable on CCK TX
- */
-#define CCK_PROT_CFG			0x1364
-#define CCK_PROT_CFG_PROTECT_RATE	FIELD32(0x0000ffff)
-#define CCK_PROT_CFG_PROTECT_CTRL	FIELD32(0x00030000)
-#define CCK_PROT_CFG_PROTECT_NAV	FIELD32(0x000c0000)
-#define CCK_PROT_CFG_TX_OP_ALLOW_CCK	FIELD32(0x00100000)
-#define CCK_PROT_CFG_TX_OP_ALLOW_OFDM	FIELD32(0x00200000)
-#define CCK_PROT_CFG_TX_OP_ALLOW_MM20	FIELD32(0x00400000)
-#define CCK_PROT_CFG_TX_OP_ALLOW_MM40	FIELD32(0x00800000)
-#define CCK_PROT_CFG_TX_OP_ALLOW_GF20	FIELD32(0x01000000)
-#define CCK_PROT_CFG_TX_OP_ALLOW_GF40	FIELD32(0x02000000)
-#define CCK_PROT_CFG_RTS_TH_EN		FIELD32(0x04000000)
-
-/*
- * OFDM_PROT_CFG: OFDM Protection
- */
-#define OFDM_PROT_CFG			0x1368
-#define OFDM_PROT_CFG_PROTECT_RATE	FIELD32(0x0000ffff)
-#define OFDM_PROT_CFG_PROTECT_CTRL	FIELD32(0x00030000)
-#define OFDM_PROT_CFG_PROTECT_NAV	FIELD32(0x000c0000)
-#define OFDM_PROT_CFG_TX_OP_ALLOW_CCK	FIELD32(0x00100000)
-#define OFDM_PROT_CFG_TX_OP_ALLOW_OFDM	FIELD32(0x00200000)
-#define OFDM_PROT_CFG_TX_OP_ALLOW_MM20	FIELD32(0x00400000)
-#define OFDM_PROT_CFG_TX_OP_ALLOW_MM40	FIELD32(0x00800000)
-#define OFDM_PROT_CFG_TX_OP_ALLOW_GF20	FIELD32(0x01000000)
-#define OFDM_PROT_CFG_TX_OP_ALLOW_GF40	FIELD32(0x02000000)
-#define OFDM_PROT_CFG_RTS_TH_EN		FIELD32(0x04000000)
-
-/*
- * MM20_PROT_CFG: MM20 Protection
- */
-#define MM20_PROT_CFG			0x136c
-#define MM20_PROT_CFG_PROTECT_RATE	FIELD32(0x0000ffff)
-#define MM20_PROT_CFG_PROTECT_CTRL	FIELD32(0x00030000)
-#define MM20_PROT_CFG_PROTECT_NAV	FIELD32(0x000c0000)
-#define MM20_PROT_CFG_TX_OP_ALLOW_CCK	FIELD32(0x00100000)
-#define MM20_PROT_CFG_TX_OP_ALLOW_OFDM	FIELD32(0x00200000)
-#define MM20_PROT_CFG_TX_OP_ALLOW_MM20	FIELD32(0x00400000)
-#define MM20_PROT_CFG_TX_OP_ALLOW_MM40	FIELD32(0x00800000)
-#define MM20_PROT_CFG_TX_OP_ALLOW_GF20	FIELD32(0x01000000)
-#define MM20_PROT_CFG_TX_OP_ALLOW_GF40	FIELD32(0x02000000)
-#define MM20_PROT_CFG_RTS_TH_EN		FIELD32(0x04000000)
-
-/*
- * MM40_PROT_CFG: MM40 Protection
- */
-#define MM40_PROT_CFG			0x1370
-#define MM40_PROT_CFG_PROTECT_RATE	FIELD32(0x0000ffff)
-#define MM40_PROT_CFG_PROTECT_CTRL	FIELD32(0x00030000)
-#define MM40_PROT_CFG_PROTECT_NAV	FIELD32(0x000c0000)
-#define MM40_PROT_CFG_TX_OP_ALLOW_CCK	FIELD32(0x00100000)
-#define MM40_PROT_CFG_TX_OP_ALLOW_OFDM	FIELD32(0x00200000)
-#define MM40_PROT_CFG_TX_OP_ALLOW_MM20	FIELD32(0x00400000)
-#define MM40_PROT_CFG_TX_OP_ALLOW_MM40	FIELD32(0x00800000)
-#define MM40_PROT_CFG_TX_OP_ALLOW_GF20	FIELD32(0x01000000)
-#define MM40_PROT_CFG_TX_OP_ALLOW_GF40	FIELD32(0x02000000)
-#define MM40_PROT_CFG_RTS_TH_EN		FIELD32(0x04000000)
-
-/*
- * GF20_PROT_CFG: GF20 Protection
- */
-#define GF20_PROT_CFG			0x1374
-#define GF20_PROT_CFG_PROTECT_RATE	FIELD32(0x0000ffff)
-#define GF20_PROT_CFG_PROTECT_CTRL	FIELD32(0x00030000)
-#define GF20_PROT_CFG_PROTECT_NAV	FIELD32(0x000c0000)
-#define GF20_PROT_CFG_TX_OP_ALLOW_CCK	FIELD32(0x00100000)
-#define GF20_PROT_CFG_TX_OP_ALLOW_OFDM	FIELD32(0x00200000)
-#define GF20_PROT_CFG_TX_OP_ALLOW_MM20	FIELD32(0x00400000)
-#define GF20_PROT_CFG_TX_OP_ALLOW_MM40	FIELD32(0x00800000)
-#define GF20_PROT_CFG_TX_OP_ALLOW_GF20	FIELD32(0x01000000)
-#define GF20_PROT_CFG_TX_OP_ALLOW_GF40	FIELD32(0x02000000)
-#define GF20_PROT_CFG_RTS_TH_EN		FIELD32(0x04000000)
-
-/*
- * GF40_PROT_CFG: GF40 Protection
- */
-#define GF40_PROT_CFG			0x1378
-#define GF40_PROT_CFG_PROTECT_RATE	FIELD32(0x0000ffff)
-#define GF40_PROT_CFG_PROTECT_CTRL	FIELD32(0x00030000)
-#define GF40_PROT_CFG_PROTECT_NAV	FIELD32(0x000c0000)
-#define GF40_PROT_CFG_TX_OP_ALLOW_CCK	FIELD32(0x00100000)
-#define GF40_PROT_CFG_TX_OP_ALLOW_OFDM	FIELD32(0x00200000)
-#define GF40_PROT_CFG_TX_OP_ALLOW_MM20	FIELD32(0x00400000)
-#define GF40_PROT_CFG_TX_OP_ALLOW_MM40	FIELD32(0x00800000)
-#define GF40_PROT_CFG_TX_OP_ALLOW_GF20	FIELD32(0x01000000)
-#define GF40_PROT_CFG_TX_OP_ALLOW_GF40	FIELD32(0x02000000)
-#define GF40_PROT_CFG_RTS_TH_EN		FIELD32(0x04000000)
-
-/*
- * EXP_CTS_TIME:
- */
-#define EXP_CTS_TIME			0x137c
-
-/*
- * EXP_ACK_TIME:
- */
-#define EXP_ACK_TIME			0x1380
-
-/*
- * RX_FILTER_CFG: RX configuration register.
- */
-#define RX_FILTER_CFG			0x1400
-#define RX_FILTER_CFG_DROP_CRC_ERROR	FIELD32(0x00000001)
-#define RX_FILTER_CFG_DROP_PHY_ERROR	FIELD32(0x00000002)
-#define RX_FILTER_CFG_DROP_NOT_TO_ME	FIELD32(0x00000004)
-#define RX_FILTER_CFG_DROP_NOT_MY_BSSD	FIELD32(0x00000008)
-#define RX_FILTER_CFG_DROP_VER_ERROR	FIELD32(0x00000010)
-#define RX_FILTER_CFG_DROP_MULTICAST	FIELD32(0x00000020)
-#define RX_FILTER_CFG_DROP_BROADCAST	FIELD32(0x00000040)
-#define RX_FILTER_CFG_DROP_DUPLICATE	FIELD32(0x00000080)
-#define RX_FILTER_CFG_DROP_CF_END_ACK	FIELD32(0x00000100)
-#define RX_FILTER_CFG_DROP_CF_END	FIELD32(0x00000200)
-#define RX_FILTER_CFG_DROP_ACK		FIELD32(0x00000400)
-#define RX_FILTER_CFG_DROP_CTS		FIELD32(0x00000800)
-#define RX_FILTER_CFG_DROP_RTS		FIELD32(0x00001000)
-#define RX_FILTER_CFG_DROP_PSPOLL	FIELD32(0x00002000)
-#define RX_FILTER_CFG_DROP_BA		FIELD32(0x00004000)
-#define RX_FILTER_CFG_DROP_BAR		FIELD32(0x00008000)
-#define RX_FILTER_CFG_DROP_CNTL		FIELD32(0x00010000)
-
-/*
- * AUTO_RSP_CFG:
- * AUTORESPONDER: 0: disable, 1: enable
- * BAC_ACK_POLICY: 0:long, 1:short preamble
- * CTS_40_MMODE: Response CTS 40MHz duplicate mode
- * CTS_40_MREF: Response CTS 40MHz duplicate mode
- * AR_PREAMBLE: Auto responder preamble 0:long, 1:short preamble
- * DUAL_CTS_EN: Power bit value in control frame
- * ACK_CTS_PSM_BIT:Power bit value in control frame
- */
-#define AUTO_RSP_CFG			0x1404
-#define AUTO_RSP_CFG_AUTORESPONDER	FIELD32(0x00000001)
-#define AUTO_RSP_CFG_BAC_ACK_POLICY	FIELD32(0x00000002)
-#define AUTO_RSP_CFG_CTS_40_MMODE	FIELD32(0x00000004)
-#define AUTO_RSP_CFG_CTS_40_MREF	FIELD32(0x00000008)
-#define AUTO_RSP_CFG_AR_PREAMBLE	FIELD32(0x00000010)
-#define AUTO_RSP_CFG_DUAL_CTS_EN	FIELD32(0x00000040)
-#define AUTO_RSP_CFG_ACK_CTS_PSM_BIT	FIELD32(0x00000080)
-
-/*
- * LEGACY_BASIC_RATE:
- */
-#define LEGACY_BASIC_RATE		0x1408
-
-/*
- * HT_BASIC_RATE:
- */
-#define HT_BASIC_RATE			0x140c
-
-/*
- * HT_CTRL_CFG:
- */
-#define HT_CTRL_CFG			0x1410
-
-/*
- * SIFS_COST_CFG:
- */
-#define SIFS_COST_CFG			0x1414
-
-/*
- * RX_PARSER_CFG:
- * Set NAV for all received frames
- */
-#define RX_PARSER_CFG			0x1418
-
-/*
- * TX_SEC_CNT0:
- */
-#define TX_SEC_CNT0			0x1500
-
-/*
- * RX_SEC_CNT0:
- */
-#define RX_SEC_CNT0			0x1504
-
-/*
- * CCMP_FC_MUTE:
- */
-#define CCMP_FC_MUTE			0x1508
-
-/*
- * TXOP_HLDR_ADDR0:
- */
-#define TXOP_HLDR_ADDR0			0x1600
-
-/*
- * TXOP_HLDR_ADDR1:
- */
-#define TXOP_HLDR_ADDR1			0x1604
-
-/*
- * TXOP_HLDR_ET:
- */
-#define TXOP_HLDR_ET			0x1608
-
-/*
- * QOS_CFPOLL_RA_DW0:
- */
-#define QOS_CFPOLL_RA_DW0		0x160c
-
-/*
- * QOS_CFPOLL_RA_DW1:
- */
-#define QOS_CFPOLL_RA_DW1		0x1610
-
-/*
- * QOS_CFPOLL_QC:
- */
-#define QOS_CFPOLL_QC			0x1614
-
-/*
- * RX_STA_CNT0: RX PLCP error count & RX CRC error count
- */
-#define RX_STA_CNT0			0x1700
-#define RX_STA_CNT0_CRC_ERR		FIELD32(0x0000ffff)
-#define RX_STA_CNT0_PHY_ERR		FIELD32(0xffff0000)
-
-/*
- * RX_STA_CNT1: RX False CCA count & RX LONG frame count
- */
-#define RX_STA_CNT1			0x1704
-#define RX_STA_CNT1_FALSE_CCA		FIELD32(0x0000ffff)
-#define RX_STA_CNT1_PLCP_ERR		FIELD32(0xffff0000)
-
-/*
- * RX_STA_CNT2:
- */
-#define RX_STA_CNT2			0x1708
-#define RX_STA_CNT2_RX_DUPLI_COUNT	FIELD32(0x0000ffff)
-#define RX_STA_CNT2_RX_FIFO_OVERFLOW	FIELD32(0xffff0000)
-
-/*
- * TX_STA_CNT0: TX Beacon count
- */
-#define TX_STA_CNT0			0x170c
-#define TX_STA_CNT0_TX_FAIL_COUNT	FIELD32(0x0000ffff)
-#define TX_STA_CNT0_TX_BEACON_COUNT	FIELD32(0xffff0000)
-
-/*
- * TX_STA_CNT1: TX tx count
- */
-#define TX_STA_CNT1			0x1710
-#define TX_STA_CNT1_TX_SUCCESS		FIELD32(0x0000ffff)
-#define TX_STA_CNT1_TX_RETRANSMIT	FIELD32(0xffff0000)
-
-/*
- * TX_STA_CNT2: TX tx count
- */
-#define TX_STA_CNT2			0x1714
-#define TX_STA_CNT2_TX_ZERO_LEN_COUNT	FIELD32(0x0000ffff)
-#define TX_STA_CNT2_TX_UNDER_FLOW_COUNT	FIELD32(0xffff0000)
-
-/*
- * TX_STA_FIFO: TX Result for specific PID status fifo register
- */
-#define TX_STA_FIFO			0x1718
-#define TX_STA_FIFO_VALID		FIELD32(0x00000001)
-#define TX_STA_FIFO_PID_TYPE		FIELD32(0x0000001e)
-#define TX_STA_FIFO_TX_SUCCESS		FIELD32(0x00000020)
-#define TX_STA_FIFO_TX_AGGRE		FIELD32(0x00000040)
-#define TX_STA_FIFO_TX_ACK_REQUIRED	FIELD32(0x00000080)
-#define TX_STA_FIFO_WCID		FIELD32(0x0000ff00)
-#define TX_STA_FIFO_SUCCESS_RATE	FIELD32(0xffff0000)
-
-/*
- * TX_AGG_CNT: Debug counter
- */
-#define TX_AGG_CNT			0x171c
-#define TX_AGG_CNT_NON_AGG_TX_COUNT	FIELD32(0x0000ffff)
-#define TX_AGG_CNT_AGG_TX_COUNT		FIELD32(0xffff0000)
-
-/*
- * TX_AGG_CNT0:
- */
-#define TX_AGG_CNT0			0x1720
-#define TX_AGG_CNT0_AGG_SIZE_1_COUNT	FIELD32(0x0000ffff)
-#define TX_AGG_CNT0_AGG_SIZE_2_COUNT	FIELD32(0xffff0000)
-
-/*
- * TX_AGG_CNT1:
- */
-#define TX_AGG_CNT1			0x1724
-#define TX_AGG_CNT1_AGG_SIZE_3_COUNT	FIELD32(0x0000ffff)
-#define TX_AGG_CNT1_AGG_SIZE_4_COUNT	FIELD32(0xffff0000)
-
-/*
- * TX_AGG_CNT2:
- */
-#define TX_AGG_CNT2			0x1728
-#define TX_AGG_CNT2_AGG_SIZE_5_COUNT	FIELD32(0x0000ffff)
-#define TX_AGG_CNT2_AGG_SIZE_6_COUNT	FIELD32(0xffff0000)
-
-/*
- * TX_AGG_CNT3:
- */
-#define TX_AGG_CNT3			0x172c
-#define TX_AGG_CNT3_AGG_SIZE_7_COUNT	FIELD32(0x0000ffff)
-#define TX_AGG_CNT3_AGG_SIZE_8_COUNT	FIELD32(0xffff0000)
-
-/*
- * TX_AGG_CNT4:
- */
-#define TX_AGG_CNT4			0x1730
-#define TX_AGG_CNT4_AGG_SIZE_9_COUNT	FIELD32(0x0000ffff)
-#define TX_AGG_CNT4_AGG_SIZE_10_COUNT	FIELD32(0xffff0000)
-
-/*
- * TX_AGG_CNT5:
- */
-#define TX_AGG_CNT5			0x1734
-#define TX_AGG_CNT5_AGG_SIZE_11_COUNT	FIELD32(0x0000ffff)
-#define TX_AGG_CNT5_AGG_SIZE_12_COUNT	FIELD32(0xffff0000)
-
-/*
- * TX_AGG_CNT6:
- */
-#define TX_AGG_CNT6			0x1738
-#define TX_AGG_CNT6_AGG_SIZE_13_COUNT	FIELD32(0x0000ffff)
-#define TX_AGG_CNT6_AGG_SIZE_14_COUNT	FIELD32(0xffff0000)
-
-/*
- * TX_AGG_CNT7:
- */
-#define TX_AGG_CNT7			0x173c
-#define TX_AGG_CNT7_AGG_SIZE_15_COUNT	FIELD32(0x0000ffff)
-#define TX_AGG_CNT7_AGG_SIZE_16_COUNT	FIELD32(0xffff0000)
-
-/*
- * MPDU_DENSITY_CNT:
- * TX_ZERO_DEL: TX zero length delimiter count
- * RX_ZERO_DEL: RX zero length delimiter count
- */
-#define MPDU_DENSITY_CNT		0x1740
-#define MPDU_DENSITY_CNT_TX_ZERO_DEL	FIELD32(0x0000ffff)
-#define MPDU_DENSITY_CNT_RX_ZERO_DEL	FIELD32(0xffff0000)
-
-/*
- * Security key table memory.
- * MAC_WCID_BASE: 8-bytes (use only 6 bytes) * 256 entry
- * PAIRWISE_KEY_TABLE_BASE: 32-byte * 256 entry
- * MAC_IVEIV_TABLE_BASE: 8-byte * 256-entry
- * MAC_WCID_ATTRIBUTE_BASE: 4-byte * 256-entry
- * SHARED_KEY_TABLE_BASE: 32 bytes * 32-entry
- * SHARED_KEY_MODE_BASE: 4 bits * 32-entry
- */
-#define MAC_WCID_BASE			0x1800
-#define PAIRWISE_KEY_TABLE_BASE		0x4000
-#define MAC_IVEIV_TABLE_BASE		0x6000
-#define MAC_WCID_ATTRIBUTE_BASE		0x6800
-#define SHARED_KEY_TABLE_BASE		0x6c00
-#define SHARED_KEY_MODE_BASE		0x7000
-
-#define MAC_WCID_ENTRY(__idx) \
-	( MAC_WCID_BASE + ((__idx) * sizeof(struct mac_wcid_entry)) )
-#define PAIRWISE_KEY_ENTRY(__idx) \
-	( PAIRWISE_KEY_TABLE_BASE + ((__idx) * sizeof(struct hw_key_entry)) )
-#define MAC_IVEIV_ENTRY(__idx) \
-	( MAC_IVEIV_TABLE_BASE + ((__idx) & sizeof(struct mac_iveiv_entry)) )
-#define MAC_WCID_ATTR_ENTRY(__idx) \
-	( MAC_WCID_ATTRIBUTE_BASE + ((__idx) * sizeof(u32)) )
-#define SHARED_KEY_ENTRY(__idx) \
-	( SHARED_KEY_TABLE_BASE + ((__idx) * sizeof(struct hw_key_entry)) )
-#define SHARED_KEY_MODE_ENTRY(__idx) \
-	( SHARED_KEY_MODE_BASE + ((__idx) * sizeof(u32)) )
-
-struct mac_wcid_entry {
-	u8 mac[6];
-	u8 reserved[2];
-} __attribute__ ((packed));
-
-struct hw_key_entry {
-	u8 key[16];
-	u8 tx_mic[8];
-	u8 rx_mic[8];
-} __attribute__ ((packed));
-
-struct mac_iveiv_entry {
-	u8 iv[8];
-} __attribute__ ((packed));
-
-/*
- * MAC_WCID_ATTRIBUTE:
- */
-#define MAC_WCID_ATTRIBUTE_KEYTAB	FIELD32(0x00000001)
-#define MAC_WCID_ATTRIBUTE_CIPHER	FIELD32(0x0000000e)
-#define MAC_WCID_ATTRIBUTE_BSS_IDX	FIELD32(0x00000070)
-#define MAC_WCID_ATTRIBUTE_RX_WIUDF	FIELD32(0x00000380)
-
-/*
- * SHARED_KEY_MODE:
- */
-#define SHARED_KEY_MODE_BSS0_KEY0	FIELD32(0x00000007)
-#define SHARED_KEY_MODE_BSS0_KEY1	FIELD32(0x00000070)
-#define SHARED_KEY_MODE_BSS0_KEY2	FIELD32(0x00000700)
-#define SHARED_KEY_MODE_BSS0_KEY3	FIELD32(0x00007000)
-#define SHARED_KEY_MODE_BSS1_KEY0	FIELD32(0x00070000)
-#define SHARED_KEY_MODE_BSS1_KEY1	FIELD32(0x00700000)
-#define SHARED_KEY_MODE_BSS1_KEY2	FIELD32(0x07000000)
-#define SHARED_KEY_MODE_BSS1_KEY3	FIELD32(0x70000000)
-
-/*
- * HOST-MCU communication
- */
-
-/*
- * H2M_MAILBOX_CSR: Host-to-MCU Mailbox.
- */
-#define H2M_MAILBOX_CSR			0x7010
-#define H2M_MAILBOX_CSR_ARG0		FIELD32(0x000000ff)
-#define H2M_MAILBOX_CSR_ARG1		FIELD32(0x0000ff00)
-#define H2M_MAILBOX_CSR_CMD_TOKEN	FIELD32(0x00ff0000)
-#define H2M_MAILBOX_CSR_OWNER		FIELD32(0xff000000)
-
-/*
- * H2M_MAILBOX_CID:
- */
-#define H2M_MAILBOX_CID			0x7014
-#define H2M_MAILBOX_CID_CMD0		FIELD32(0x000000ff)
-#define H2M_MAILBOX_CID_CMD1		FIELD32(0x0000ff00)
-#define H2M_MAILBOX_CID_CMD2		FIELD32(0x00ff0000)
-#define H2M_MAILBOX_CID_CMD3		FIELD32(0xff000000)
-
-/*
- * H2M_MAILBOX_STATUS:
- */
-#define H2M_MAILBOX_STATUS		0x701c
-
-/*
- * H2M_INT_SRC:
- */
-#define H2M_INT_SRC			0x7024
-
-/*
- * H2M_BBP_AGENT:
- */
-#define H2M_BBP_AGENT			0x7028
-
-/*
- * MCU_LEDCS: LED control for MCU Mailbox.
- */
-#define MCU_LEDCS_LED_MODE		FIELD8(0x1f)
-#define MCU_LEDCS_POLARITY		FIELD8(0x01)
-
-/*
- * HW_CS_CTS_BASE:
- * Carrier-sense CTS frame base address.
- * It's where mac stores carrier-sense frame for carrier-sense function.
- */
-#define HW_CS_CTS_BASE			0x7700
-
-/*
- * HW_DFS_CTS_BASE:
- * FS CTS frame base address. It's where mac stores CTS frame for DFS.
- */
-#define HW_DFS_CTS_BASE			0x7780
-
-/*
- * TXRX control registers - base address 0x3000
- */
-
-/*
- * TXRX_CSR1:
- * rt2860b  UNKNOWN reg use R/O Reg Addr 0x77d0 first..
+ * USB registers.
  */
-#define TXRX_CSR1			0x77d0
 
 /*
- * HW_DEBUG_SETTING_BASE:
- * since NULL frame won't be that long (256 byte)
- * We steal 16 tail bytes to save debugging settings
+ * USB_DMA_CFG
+ * RX_BULK_AGG_TIMEOUT: Rx Bulk Aggregation TimeOut in unit of 33ns.
+ * RX_BULK_AGG_LIMIT: Rx Bulk Aggregation Limit in unit of 256 bytes.
+ * PHY_CLEAR: phy watch dog enable.
+ * TX_CLEAR: Clear USB DMA TX path.
+ * TXOP_HALT: Halt TXOP count down when TX buffer is full.
+ * RX_BULK_AGG_EN: Enable Rx Bulk Aggregation.
+ * RX_BULK_EN: Enable USB DMA Rx.
+ * TX_BULK_EN: Enable USB DMA Tx.
+ * EP_OUT_VALID: OUT endpoint data valid.
+ * RX_BUSY: USB DMA RX FSM busy.
+ * TX_BUSY: USB DMA TX FSM busy.
  */
-#define HW_DEBUG_SETTING_BASE		0x77f0
-#define HW_DEBUG_SETTING_BASE2		0x7770
+#define USB_DMA_CFG			0x02a0
+#define USB_DMA_CFG_RX_BULK_AGG_TIMEOUT	FIELD32(0x000000ff)
+#define USB_DMA_CFG_RX_BULK_AGG_LIMIT	FIELD32(0x0000ff00)
+#define USB_DMA_CFG_PHY_CLEAR		FIELD32(0x00010000)
+#define USB_DMA_CFG_TX_CLEAR		FIELD32(0x00080000)
+#define USB_DMA_CFG_TXOP_HALT		FIELD32(0x00100000)
+#define USB_DMA_CFG_RX_BULK_AGG_EN	FIELD32(0x00200000)
+#define USB_DMA_CFG_RX_BULK_EN		FIELD32(0x00400000)
+#define USB_DMA_CFG_TX_BULK_EN		FIELD32(0x00800000)
+#define USB_DMA_CFG_EP_OUT_VALID	FIELD32(0x3f000000)
+#define USB_DMA_CFG_RX_BUSY		FIELD32(0x40000000)
+#define USB_DMA_CFG_TX_BUSY		FIELD32(0x80000000)
 
 /*
- * HW_BEACON_BASE
- * In order to support maximum 8 MBSS and its maximum length
- * is 512 bytes for each beacon
- * Three section discontinue memory segments will be used.
- * 1. The original region for BCN 0~3
- * 2. Extract memory from FCE table for BCN 4~5
- * 3. Extract memory from Pair-wise key table for BCN 6~7
- *    It occupied those memory of wcid 238~253 for BCN 6
- *    and wcid 222~237 for BCN 7
- *
- * IMPORTANT NOTE: Not sure why legacy driver does this,
- * but HW_BEACON_BASE7 is 0x0200 bytes below HW_BEACON_BASE6.
+ * USB_CYC_CFG
  */
-#define HW_BEACON_BASE0			0x7800
-#define HW_BEACON_BASE1			0x7a00
-#define HW_BEACON_BASE2			0x7c00
-#define HW_BEACON_BASE3			0x7e00
-#define HW_BEACON_BASE4			0x7200
-#define HW_BEACON_BASE5			0x7400
-#define HW_BEACON_BASE6			0x5dc0
-#define HW_BEACON_BASE7			0x5bc0
-
-#define HW_BEACON_OFFSET(__index) \
-	( ((__index) < 4) ? ( HW_BEACON_BASE0 + (__index * 0x0200) ) : \
-	  (((__index) < 6) ? ( HW_BEACON_BASE4 + ((__index - 4) * 0x0200) ) : \
-	  (HW_BEACON_BASE6 - ((__index - 6) * 0x0200))) )
+#define USB_CYC_CFG			0x02a4
+#define USB_CYC_CFG_CLOCK_CYCLE		FIELD32(0x000000ff)
 
 /*
  * 8051 firmware image.
@@ -1472,320 +70,11 @@ struct mac_iveiv_entry {
 #define FIRMWARE_RT2870			"rt2870.bin"
 #define FIRMWARE_IMAGE_BASE		0x3000
 
-/*
- * BBP registers.
- * The wordsize of the BBP is 8 bits.
- */
-
-/*
- * BBP 1: TX Antenna
- */
-#define BBP1_TX_POWER			FIELD8(0x07)
-#define BBP1_TX_ANTENNA			FIELD8(0x18)
-
-/*
- * BBP 3: RX Antenna
- */
-#define BBP3_RX_ANTENNA			FIELD8(0x18)
-#define BBP3_HT40_PLUS			FIELD8(0x20)
-
-/*
- * BBP 4: Bandwidth
- */
-#define BBP4_TX_BF			FIELD8(0x01)
-#define BBP4_BANDWIDTH			FIELD8(0x18)
-
-/*
- * RFCSR registers
- * The wordsize of the RFCSR is 8 bits.
- */
-
-/*
- * RFCSR 6:
- */
-#define RFCSR6_R			FIELD8(0x03)
-
-/*
- * RFCSR 7:
- */
-#define RFCSR7_RF_TUNING		FIELD8(0x01)
-
-/*
- * RFCSR 12:
- */
-#define RFCSR12_TX_POWER		FIELD8(0x1f)
-
-/*
- * RFCSR 22:
- */
-#define RFCSR22_BASEBAND_LOOPBACK	FIELD8(0x01)
-
-/*
- * RFCSR 23:
- */
-#define RFCSR23_FREQ_OFFSET		FIELD8(0x7f)
-
-/*
- * RFCSR 30:
- */
-#define RFCSR30_RF_CALIBRATION		FIELD8(0x80)
-
-/*
- * RF registers
- */
-
-/*
- * RF 2
- */
-#define RF2_ANTENNA_RX2			FIELD32(0x00000040)
-#define RF2_ANTENNA_TX1			FIELD32(0x00004000)
-#define RF2_ANTENNA_RX1			FIELD32(0x00020000)
-
-/*
- * RF 3
- */
-#define RF3_TXPOWER_G			FIELD32(0x00003e00)
-#define RF3_TXPOWER_A_7DBM_BOOST	FIELD32(0x00000200)
-#define RF3_TXPOWER_A			FIELD32(0x00003c00)
-
-/*
- * RF 4
- */
-#define RF4_TXPOWER_G			FIELD32(0x000007c0)
-#define RF4_TXPOWER_A_7DBM_BOOST	FIELD32(0x00000040)
-#define RF4_TXPOWER_A			FIELD32(0x00000780)
-#define RF4_FREQ_OFFSET			FIELD32(0x001f8000)
-#define RF4_HT40			FIELD32(0x00200000)
-
-/*
- * EEPROM content.
- * The wordsize of the EEPROM is 16 bits.
- */
-
-/*
- * EEPROM Version
- */
-#define EEPROM_VERSION			0x0001
-#define EEPROM_VERSION_FAE		FIELD16(0x00ff)
-#define EEPROM_VERSION_VERSION		FIELD16(0xff00)
-
-/*
- * HW MAC address.
- */
-#define EEPROM_MAC_ADDR_0		0x0002
-#define EEPROM_MAC_ADDR_BYTE0		FIELD16(0x00ff)
-#define EEPROM_MAC_ADDR_BYTE1		FIELD16(0xff00)
-#define EEPROM_MAC_ADDR_1		0x0003
-#define EEPROM_MAC_ADDR_BYTE2		FIELD16(0x00ff)
-#define EEPROM_MAC_ADDR_BYTE3		FIELD16(0xff00)
-#define EEPROM_MAC_ADDR_2		0x0004
-#define EEPROM_MAC_ADDR_BYTE4		FIELD16(0x00ff)
-#define EEPROM_MAC_ADDR_BYTE5		FIELD16(0xff00)
-
-/*
- * EEPROM ANTENNA config
- * RXPATH: 1: 1R, 2: 2R, 3: 3R
- * TXPATH: 1: 1T, 2: 2T
- */
-#define	EEPROM_ANTENNA			0x001a
-#define EEPROM_ANTENNA_RXPATH		FIELD16(0x000f)
-#define EEPROM_ANTENNA_TXPATH		FIELD16(0x00f0)
-#define EEPROM_ANTENNA_RF_TYPE		FIELD16(0x0f00)
-
-/*
- * EEPROM NIC config
- * CARDBUS_ACCEL: 0 - enable, 1 - disable
- */
-#define	EEPROM_NIC			0x001b
-#define EEPROM_NIC_HW_RADIO		FIELD16(0x0001)
-#define EEPROM_NIC_DYNAMIC_TX_AGC	FIELD16(0x0002)
-#define EEPROM_NIC_EXTERNAL_LNA_BG	FIELD16(0x0004)
-#define EEPROM_NIC_EXTERNAL_LNA_A	FIELD16(0x0008)
-#define EEPROM_NIC_CARDBUS_ACCEL	FIELD16(0x0010)
-#define EEPROM_NIC_BW40M_SB_BG		FIELD16(0x0020)
-#define EEPROM_NIC_BW40M_SB_A		FIELD16(0x0040)
-#define EEPROM_NIC_WPS_PBC		FIELD16(0x0080)
-#define EEPROM_NIC_BW40M_BG		FIELD16(0x0100)
-#define EEPROM_NIC_BW40M_A		FIELD16(0x0200)
-
-/*
- * EEPROM frequency
- */
-#define	EEPROM_FREQ			0x001d
-#define EEPROM_FREQ_OFFSET		FIELD16(0x00ff)
-#define EEPROM_FREQ_LED_MODE		FIELD16(0x7f00)
-#define EEPROM_FREQ_LED_POLARITY	FIELD16(0x1000)
-
-/*
- * EEPROM LED
- * POLARITY_RDY_G: Polarity RDY_G setting.
- * POLARITY_RDY_A: Polarity RDY_A setting.
- * POLARITY_ACT: Polarity ACT setting.
- * POLARITY_GPIO_0: Polarity GPIO0 setting.
- * POLARITY_GPIO_1: Polarity GPIO1 setting.
- * POLARITY_GPIO_2: Polarity GPIO2 setting.
- * POLARITY_GPIO_3: Polarity GPIO3 setting.
- * POLARITY_GPIO_4: Polarity GPIO4 setting.
- * LED_MODE: Led mode.
- */
-#define EEPROM_LED1			0x001e
-#define EEPROM_LED2			0x001f
-#define EEPROM_LED3			0x0020
-#define EEPROM_LED_POLARITY_RDY_BG	FIELD16(0x0001)
-#define EEPROM_LED_POLARITY_RDY_A	FIELD16(0x0002)
-#define EEPROM_LED_POLARITY_ACT		FIELD16(0x0004)
-#define EEPROM_LED_POLARITY_GPIO_0	FIELD16(0x0008)
-#define EEPROM_LED_POLARITY_GPIO_1	FIELD16(0x0010)
-#define EEPROM_LED_POLARITY_GPIO_2	FIELD16(0x0020)
-#define EEPROM_LED_POLARITY_GPIO_3	FIELD16(0x0040)
-#define EEPROM_LED_POLARITY_GPIO_4	FIELD16(0x0080)
-#define EEPROM_LED_LED_MODE		FIELD16(0x1f00)
-
-/*
- * EEPROM LNA
- */
-#define EEPROM_LNA			0x0022
-#define EEPROM_LNA_BG			FIELD16(0x00ff)
-#define EEPROM_LNA_A0			FIELD16(0xff00)
-
-/*
- * EEPROM RSSI BG offset
- */
-#define EEPROM_RSSI_BG			0x0023
-#define EEPROM_RSSI_BG_OFFSET0		FIELD16(0x00ff)
-#define EEPROM_RSSI_BG_OFFSET1		FIELD16(0xff00)
-
-/*
- * EEPROM RSSI BG2 offset
- */
-#define EEPROM_RSSI_BG2			0x0024
-#define EEPROM_RSSI_BG2_OFFSET2		FIELD16(0x00ff)
-#define EEPROM_RSSI_BG2_LNA_A1		FIELD16(0xff00)
-
-/*
- * EEPROM RSSI A offset
- */
-#define EEPROM_RSSI_A			0x0025
-#define EEPROM_RSSI_A_OFFSET0		FIELD16(0x00ff)
-#define EEPROM_RSSI_A_OFFSET1		FIELD16(0xff00)
-
-/*
- * EEPROM RSSI A2 offset
- */
-#define EEPROM_RSSI_A2			0x0026
-#define EEPROM_RSSI_A2_OFFSET2		FIELD16(0x00ff)
-#define EEPROM_RSSI_A2_LNA_A2		FIELD16(0xff00)
-
-/*
- * EEPROM TXpower delta: 20MHZ AND 40 MHZ use different power.
- *	This is delta in 40MHZ.
- * VALUE: Tx Power dalta value (MAX=4)
- * TYPE: 1: Plus the delta value, 0: minus the delta value
- * TXPOWER: Enable:
- */
-#define EEPROM_TXPOWER_DELTA		0x0028
-#define EEPROM_TXPOWER_DELTA_VALUE	FIELD16(0x003f)
-#define EEPROM_TXPOWER_DELTA_TYPE	FIELD16(0x0040)
-#define EEPROM_TXPOWER_DELTA_TXPOWER	FIELD16(0x0080)
-
-/*
- * EEPROM TXPOWER 802.11BG
- */
-#define	EEPROM_TXPOWER_BG1		0x0029
-#define	EEPROM_TXPOWER_BG2		0x0030
-#define EEPROM_TXPOWER_BG_SIZE		7
-#define EEPROM_TXPOWER_BG_1		FIELD16(0x00ff)
-#define EEPROM_TXPOWER_BG_2		FIELD16(0xff00)
-
-/*
- * EEPROM TXPOWER 802.11A
- */
-#define EEPROM_TXPOWER_A1		0x003c
-#define EEPROM_TXPOWER_A2		0x0053
-#define EEPROM_TXPOWER_A_SIZE		6
-#define EEPROM_TXPOWER_A_1		FIELD16(0x00ff)
-#define EEPROM_TXPOWER_A_2		FIELD16(0xff00)
-
-/*
- * EEPROM TXpower byrate: 20MHZ power
- */
-#define EEPROM_TXPOWER_BYRATE		0x006f
-
-/*
- * EEPROM BBP.
- */
-#define	EEPROM_BBP_START		0x0078
-#define EEPROM_BBP_SIZE			16
-#define EEPROM_BBP_VALUE		FIELD16(0x00ff)
-#define EEPROM_BBP_REG_ID		FIELD16(0xff00)
-
-/*
- * MCU mailbox commands.
- */
-#define MCU_SLEEP			0x30
-#define MCU_WAKEUP			0x31
-#define MCU_RADIO_OFF			0x35
-#define MCU_CURRENT			0x36
-#define MCU_LED				0x50
-#define MCU_LED_STRENGTH		0x51
-#define MCU_LED_1			0x52
-#define MCU_LED_2			0x53
-#define MCU_LED_3			0x54
-#define MCU_RADAR			0x60
-#define MCU_BOOT_SIGNAL			0x72
-#define MCU_BBP_SIGNAL			0x80
-#define MCU_POWER_SAVE			0x83
-
-/*
- * MCU mailbox tokens
- */
-#define TOKEN_WAKUP			3
-
 /*
  * DMA descriptor defines.
  */
-#define TXD_DESC_SIZE			( 4 * sizeof(__le32) )
 #define TXINFO_DESC_SIZE		( 1 * sizeof(__le32) )
-#define TXWI_DESC_SIZE			( 4 * sizeof(__le32) )
-#define RXD_DESC_SIZE			( 4 * sizeof(__le32) )
 #define RXINFO_DESC_SIZE		( 1 * sizeof(__le32) )
-#define RXWI_DESC_SIZE			( 4 * sizeof(__le32) )
-
-/*
- * TX descriptor format for TX, PRIO and Beacon Ring.
- */
-
-/*
- * Word0
- */
-#define TXD_W0_SD_PTR0			FIELD32(0xffffffff)
-
-/*
- * Word1
- */
-#define TXD_W1_SD_LEN1			FIELD32(0x00003fff)
-#define TXD_W1_LAST_SEC1		FIELD32(0x00004000)
-#define TXD_W1_BURST			FIELD32(0x00008000)
-#define TXD_W1_SD_LEN0			FIELD32(0x3fff0000)
-#define TXD_W1_LAST_SEC0		FIELD32(0x40000000)
-#define TXD_W1_DMA_DONE			FIELD32(0x80000000)
-
-/*
- * Word2
- */
-#define TXD_W2_SD_PTR1			FIELD32(0xffffffff)
-
-/*
- * Word3
- * WIV: Wireless Info Valid. 1: Driver filled WI, 0: DMA needs to copy WI
- * QSEL: Select on-chip FIFO ID for 2nd-stage output scheduler.
- *       0:MGMT, 1:HCCA 2:EDCA
- */
-#define TXD_W3_WIV			FIELD32(0x01000000)
-#define TXD_W3_QSEL			FIELD32(0x06000000)
-#define TXD_W3_TCO			FIELD32(0x20000000)
-#define TXD_W3_UCO			FIELD32(0x40000000)
-#define TXD_W3_ICO			FIELD32(0x80000000)
 
 /*
  * TX Info structure
@@ -1807,52 +96,6 @@ struct mac_iveiv_entry {
 #define TXINFO_W0_USB_DMA_NEXT_VALID	FIELD32(0x40000000)
 #define TXINFO_W0_USB_DMA_TX_BURST	FIELD32(0x80000000)
 
-/*
- * TX WI structure
- */
-
-/*
- * Word0
- * FRAG: 1 To inform TKIP engine this is a fragment.
- * MIMO_PS: The remote peer is in dynamic MIMO-PS mode
- * TX_OP: 0:HT TXOP rule , 1:PIFS TX ,2:Backoff, 3:sifs
- * BW: Channel bandwidth 20MHz or 40 MHz
- * STBC: 1: STBC support MCS =0-7, 2,3 : RESERVED
- */
-#define TXWI_W0_FRAG			FIELD32(0x00000001)
-#define TXWI_W0_MIMO_PS			FIELD32(0x00000002)
-#define TXWI_W0_CF_ACK			FIELD32(0x00000004)
-#define TXWI_W0_TS			FIELD32(0x00000008)
-#define TXWI_W0_AMPDU			FIELD32(0x00000010)
-#define TXWI_W0_MPDU_DENSITY		FIELD32(0x000000e0)
-#define TXWI_W0_TX_OP			FIELD32(0x00000300)
-#define TXWI_W0_MCS			FIELD32(0x007f0000)
-#define TXWI_W0_BW			FIELD32(0x00800000)
-#define TXWI_W0_SHORT_GI		FIELD32(0x01000000)
-#define TXWI_W0_STBC			FIELD32(0x06000000)
-#define TXWI_W0_IFS			FIELD32(0x08000000)
-#define TXWI_W0_PHYMODE			FIELD32(0xc0000000)
-
-/*
- * Word1
- */
-#define TXWI_W1_ACK			FIELD32(0x00000001)
-#define TXWI_W1_NSEQ			FIELD32(0x00000002)
-#define TXWI_W1_BW_WIN_SIZE		FIELD32(0x000000fc)
-#define TXWI_W1_WIRELESS_CLI_ID		FIELD32(0x0000ff00)
-#define TXWI_W1_MPDU_TOTAL_BYTE_COUNT	FIELD32(0x0fff0000)
-#define TXWI_W1_PACKETID		FIELD32(0xf0000000)
-
-/*
- * Word2
- */
-#define TXWI_W2_IV			FIELD32(0xffffffff)
-
-/*
- * Word3
- */
-#define TXWI_W3_EIV			FIELD32(0xffffffff)
-
 /*
  * RX descriptor format for RX Ring.
  */
@@ -1889,64 +132,4 @@ struct mac_iveiv_entry {
 #define RXD_W0_LAST_AMSDU		FIELD32(0x00080000)
 #define RXD_W0_PLCP_SIGNAL		FIELD32(0xfff00000)
 
-/*
- * RX WI structure
- */
-
-/*
- * Word0
- */
-#define RXWI_W0_WIRELESS_CLI_ID		FIELD32(0x000000ff)
-#define RXWI_W0_KEY_INDEX		FIELD32(0x00000300)
-#define RXWI_W0_BSSID			FIELD32(0x00001c00)
-#define RXWI_W0_UDF			FIELD32(0x0000e000)
-#define RXWI_W0_MPDU_TOTAL_BYTE_COUNT	FIELD32(0x0fff0000)
-#define RXWI_W0_TID			FIELD32(0xf0000000)
-
-/*
- * Word1
- */
-#define RXWI_W1_FRAG			FIELD32(0x0000000f)
-#define RXWI_W1_SEQUENCE		FIELD32(0x0000fff0)
-#define RXWI_W1_MCS			FIELD32(0x007f0000)
-#define RXWI_W1_BW			FIELD32(0x00800000)
-#define RXWI_W1_SHORT_GI		FIELD32(0x01000000)
-#define RXWI_W1_STBC			FIELD32(0x06000000)
-#define RXWI_W1_PHYMODE			FIELD32(0xc0000000)
-
-/*
- * Word2
- */
-#define RXWI_W2_RSSI0			FIELD32(0x000000ff)
-#define RXWI_W2_RSSI1			FIELD32(0x0000ff00)
-#define RXWI_W2_RSSI2			FIELD32(0x00ff0000)
-
-/*
- * Word3
- */
-#define RXWI_W3_SNR0			FIELD32(0x000000ff)
-#define RXWI_W3_SNR1			FIELD32(0x0000ff00)
-
-/*
- * Macros for converting txpower from EEPROM to mac80211 value
- * and from mac80211 value to register value.
- */
-#define MIN_G_TXPOWER	0
-#define MIN_A_TXPOWER	-7
-#define MAX_G_TXPOWER	31
-#define MAX_A_TXPOWER	15
-#define DEFAULT_TXPOWER	5
-
-#define TXPOWER_G_FROM_DEV(__txpower) \
-	((__txpower) > MAX_G_TXPOWER) ? DEFAULT_TXPOWER : (__txpower)
-
-#define TXPOWER_G_TO_DEV(__txpower) \
-	clamp_t(char, __txpower, MIN_G_TXPOWER, MAX_G_TXPOWER)
-
-#define TXPOWER_A_FROM_DEV(__txpower) \
-	((__txpower) > MAX_A_TXPOWER) ? DEFAULT_TXPOWER : (__txpower)
-
-#define TXPOWER_A_TO_DEV(__txpower) \
-	clamp_t(char, __txpower, MIN_A_TXPOWER, MAX_A_TXPOWER)
-
 #endif /* RT2800USB_H */
-- 
GitLab


From a4385213883420f2f0f77e531fb96489ca001239 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:36:02 +0100
Subject: [PATCH 0984/1815] rt2800: fix comments in rt2800.h

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800.h | 21 +++++++++------------
 1 file changed, 9 insertions(+), 12 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800.h b/drivers/net/wireless/rt2x00/rt2800.h
index c5a56bac3bb..d9b6a72e6d2 100644
--- a/drivers/net/wireless/rt2x00/rt2800.h
+++ b/drivers/net/wireless/rt2x00/rt2800.h
@@ -175,8 +175,8 @@
  * WMM_AIFSN_CFG: Aifsn for each EDCA AC
  * AIFSN0: AC_BE
  * AIFSN1: AC_BK
- * AIFSN1: AC_VI
- * AIFSN1: AC_VO
+ * AIFSN2: AC_VI
+ * AIFSN3: AC_VO
  */
 #define WMM_AIFSN_CFG			0x0214
 #define WMM_AIFSN_CFG_AIFSN0		FIELD32(0x0000000f)
@@ -188,8 +188,8 @@
  * WMM_CWMIN_CSR: CWmin for each EDCA AC
  * CWMIN0: AC_BE
  * CWMIN1: AC_BK
- * CWMIN1: AC_VI
- * CWMIN1: AC_VO
+ * CWMIN2: AC_VI
+ * CWMIN3: AC_VO
  */
 #define WMM_CWMIN_CFG			0x0218
 #define WMM_CWMIN_CFG_CWMIN0		FIELD32(0x0000000f)
@@ -201,8 +201,8 @@
  * WMM_CWMAX_CSR: CWmax for each EDCA AC
  * CWMAX0: AC_BE
  * CWMAX1: AC_BK
- * CWMAX1: AC_VI
- * CWMAX1: AC_VO
+ * CWMAX2: AC_VI
+ * CWMAX3: AC_VO
  */
 #define WMM_CWMAX_CFG			0x021c
 #define WMM_CWMAX_CFG_CWMAX0		FIELD32(0x0000000f)
@@ -495,9 +495,6 @@
 /*
  * RF_CSR_CFG2: RF control register
  * VALUE: Register value to program into RF
- * RFGAP: Gap between BB_CONTROL_RF and RF_LE
- *        0: 3 system clock cycle (37.5usec)
- *        1: 5 system clock cycle (62.5usec)
  */
 #define RF_CSR_CFG2			0x1028
 #define RF_CSR_CFG2_VALUE		FIELD32(0x00ffffff)
@@ -1275,8 +1272,8 @@
  * PAIRWISE_KEY_TABLE_BASE: 32-byte * 256 entry
  * MAC_IVEIV_TABLE_BASE: 8-byte * 256-entry
  * MAC_WCID_ATTRIBUTE_BASE: 4-byte * 256-entry
- * SHARED_KEY_TABLE_BASE: 32 bytes * 32-entry
- * SHARED_KEY_MODE_BASE: 4 bits * 32-entry
+ * SHARED_KEY_TABLE_BASE: 32-byte * 16-entry
+ * SHARED_KEY_MODE_BASE: 4-byte * 16-entry
  */
 #define MAC_WCID_BASE			0x1800
 #define PAIRWISE_KEY_TABLE_BASE		0x4000
@@ -1385,7 +1382,7 @@ struct mac_iveiv_entry {
 
 /*
  * HW_DFS_CTS_BASE:
- * FS CTS frame base address. It's where mac stores CTS frame for DFS.
+ * DFS CTS frame base address. It's where mac stores CTS frame for DFS.
  */
 #define HW_DFS_CTS_BASE			0x7780
 
-- 
GitLab


From 5822e0701d9c29291f16cf170417071b702edeee Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:36:10 +0100
Subject: [PATCH 0985/1815] rt2x00: add support for different chipset
 interfaces

Enhance rt2x00 infrastructure by adding explicit information
about used chipset interface to struct rt2x00_chip.

The new field will be used by rt2800 drivers for rt2800 library.

Also add commonly used rt2x00_intf_is_pci() and rt2x00_intf_is_usb()
helpers to make code easier to read (noticed by Ivo van Doorn).

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2x00.h | 29 ++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index c14b0f505b7..1ddda729a48 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -144,6 +144,11 @@ struct avg_val {
 	int avg_weight;
 };
 
+enum rt2x00_chip_intf {
+	RT2X00_CHIP_INTF_PCI,
+	RT2X00_CHIP_INTF_USB,
+};
+
 /*
  * Chipset identification
  * The chipset on the device is composed of a RT and RF chip.
@@ -169,6 +174,8 @@ struct rt2x00_chip {
 
 	u16 rf;
 	u32 rev;
+
+	enum rt2x00_chip_intf intf;
 };
 
 /*
@@ -937,6 +944,28 @@ static inline bool rt2x00_check_rev(const struct rt2x00_chip *chipset,
 	return ((chipset->rev & mask) == rev);
 }
 
+static inline void rt2x00_set_chip_intf(struct rt2x00_dev *rt2x00dev,
+					enum rt2x00_chip_intf intf)
+{
+	rt2x00dev->chip.intf = intf;
+}
+
+static inline bool rt2x00_intf(const struct rt2x00_chip *chipset,
+			       enum rt2x00_chip_intf intf)
+{
+	return (chipset->intf == intf);
+}
+
+static inline bool rt2x00_intf_is_pci(struct rt2x00_dev *rt2x00dev)
+{
+	return rt2x00_intf(&rt2x00dev->chip, RT2X00_CHIP_INTF_PCI);
+}
+
+static inline bool rt2x00_intf_is_usb(struct rt2x00_dev *rt2x00dev)
+{
+	return rt2x00_intf(&rt2x00dev->chip, RT2X00_CHIP_INTF_USB);
+}
+
 /**
  * rt2x00queue_map_txskb - Map a skb into DMA for TX purposes.
  * @rt2x00dev: Pointer to &struct rt2x00_dev.
-- 
GitLab


From 4d6f8b9f17626da48d6badc6ba259fbacc1413c3 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:36:17 +0100
Subject: [PATCH 0986/1815] rt2800: prepare for rt2800lib addition

Part of preparations for later code unification.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800pci.c | 103 ++++++++++--------
 drivers/net/wireless/rt2x00/rt2800usb.c | 134 +++++++++++++-----------
 2 files changed, 133 insertions(+), 104 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index cae772ea568..938f198f356 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -97,7 +97,8 @@ static void rt2800pci_bbp_write(struct rt2x00_dev *rt2x00dev,
 		rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
 		rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
 		rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 0);
-		rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
+		if (rt2x00_intf_is_pci(rt2x00dev))
+			rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
 
 		rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
 	}
@@ -125,7 +126,8 @@ static void rt2800pci_bbp_read(struct rt2x00_dev *rt2x00dev,
 		rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
 		rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
 		rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 1);
-		rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
+		if (rt2x00_intf_is_pci(rt2x00dev))
+			rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
 
 		rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
 
@@ -253,12 +255,14 @@ static void rt2800pci_mcu_request(struct rt2x00_dev *rt2x00dev,
 {
 	u32 reg;
 
-	/*
-	 * RT2880 and RT3052 don't support MCU requests.
-	 */
-	if (rt2x00_rt(&rt2x00dev->chip, RT2880) ||
-	    rt2x00_rt(&rt2x00dev->chip, RT3052))
-		return;
+	if (rt2x00_intf_is_pci(rt2x00dev)) {
+		/*
+		* RT2880 and RT3052 don't support MCU requests.
+		*/
+		if (rt2x00_rt(&rt2x00dev->chip, RT2880) ||
+		    rt2x00_rt(&rt2x00dev->chip, RT3052))
+			return;
+	}
 
 	mutex_lock(&rt2x00dev->csr_mutex);
 
@@ -814,7 +818,8 @@ static void rt2800pci_config_ant(struct rt2x00_dev *rt2x00dev,
 	switch ((int)ant->tx) {
 	case 1:
 		rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0);
-		rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
+		if (rt2x00_intf_is_pci(rt2x00dev))
+			rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
 		break;
 	case 2:
 		rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2);
@@ -1480,7 +1485,8 @@ static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev)
 	u32 reg;
 	unsigned int i;
 
-	rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
+	if (rt2x00_intf_is_pci(rt2x00dev))
+		rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
 
 	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
@@ -1803,7 +1809,8 @@ static int rt2800pci_init_bbp(struct rt2x00_dev *rt2x00dev)
 	if (rt2x00_rev(&rt2x00dev->chip) > RT2860D_VERSION)
 		rt2800_bbp_write(rt2x00dev, 84, 0x19);
 
-	if (rt2x00_rt(&rt2x00dev->chip, RT3052)) {
+	if (rt2x00_intf_is_pci(rt2x00dev) &&
+	    rt2x00_rt(&rt2x00dev->chip, RT3052)) {
 		rt2800_bbp_write(rt2x00dev, 31, 0x08);
 		rt2800_bbp_write(rt2x00dev, 78, 0x0e);
 		rt2800_bbp_write(rt2x00dev, 80, 0x08);
@@ -1887,10 +1894,12 @@ static int rt2800pci_init_rfcsr(struct rt2x00_dev *rt2x00dev)
 	u8 rfcsr;
 	u8 bbp;
 
-	if (!rt2x00_rf(&rt2x00dev->chip, RF3020) &&
-	    !rt2x00_rf(&rt2x00dev->chip, RF3021) &&
-	    !rt2x00_rf(&rt2x00dev->chip, RF3022))
-		return 0;
+	if (rt2x00_intf_is_pci(rt2x00dev)) {
+		if (!rt2x00_rf(&rt2x00dev->chip, RF3020) &&
+		    !rt2x00_rf(&rt2x00dev->chip, RF3021) &&
+		    !rt2x00_rf(&rt2x00dev->chip, RF3022))
+			return 0;
+	}
 
 	/*
 	 * Init RF calibration.
@@ -1902,36 +1911,38 @@ static int rt2800pci_init_rfcsr(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
 	rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
 
-	rt2800_rfcsr_write(rt2x00dev, 0, 0x50);
-	rt2800_rfcsr_write(rt2x00dev, 1, 0x01);
-	rt2800_rfcsr_write(rt2x00dev, 2, 0xf7);
-	rt2800_rfcsr_write(rt2x00dev, 3, 0x75);
-	rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
-	rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
-	rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
-	rt2800_rfcsr_write(rt2x00dev, 7, 0x50);
-	rt2800_rfcsr_write(rt2x00dev, 8, 0x39);
-	rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
-	rt2800_rfcsr_write(rt2x00dev, 10, 0x60);
-	rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
-	rt2800_rfcsr_write(rt2x00dev, 12, 0x75);
-	rt2800_rfcsr_write(rt2x00dev, 13, 0x75);
-	rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
-	rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
-	rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
-	rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
-	rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
-	rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
-	rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
-	rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
-	rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
-	rt2800_rfcsr_write(rt2x00dev, 23, 0x31);
-	rt2800_rfcsr_write(rt2x00dev, 24, 0x08);
-	rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
-	rt2800_rfcsr_write(rt2x00dev, 26, 0x25);
-	rt2800_rfcsr_write(rt2x00dev, 27, 0x23);
-	rt2800_rfcsr_write(rt2x00dev, 28, 0x13);
-	rt2800_rfcsr_write(rt2x00dev, 29, 0x83);
+	if (rt2x00_intf_is_pci(rt2x00dev)) {
+		rt2800_rfcsr_write(rt2x00dev, 0, 0x50);
+		rt2800_rfcsr_write(rt2x00dev, 1, 0x01);
+		rt2800_rfcsr_write(rt2x00dev, 2, 0xf7);
+		rt2800_rfcsr_write(rt2x00dev, 3, 0x75);
+		rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
+		rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
+		rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
+		rt2800_rfcsr_write(rt2x00dev, 7, 0x50);
+		rt2800_rfcsr_write(rt2x00dev, 8, 0x39);
+		rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
+		rt2800_rfcsr_write(rt2x00dev, 10, 0x60);
+		rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
+		rt2800_rfcsr_write(rt2x00dev, 12, 0x75);
+		rt2800_rfcsr_write(rt2x00dev, 13, 0x75);
+		rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
+		rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
+		rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
+		rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
+		rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
+		rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
+		rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
+		rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
+		rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
+		rt2800_rfcsr_write(rt2x00dev, 23, 0x31);
+		rt2800_rfcsr_write(rt2x00dev, 24, 0x08);
+		rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
+		rt2800_rfcsr_write(rt2x00dev, 26, 0x25);
+		rt2800_rfcsr_write(rt2x00dev, 27, 0x23);
+		rt2800_rfcsr_write(rt2x00dev, 28, 0x13);
+		rt2800_rfcsr_write(rt2x00dev, 29, 0x83);
+	}
 
 	/*
 	 * Set RX Filter calibration for 20MHz and 40MHz
@@ -3005,6 +3016,8 @@ static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev)
 {
 	int retval;
 
+	rt2x00_set_chip_intf(rt2x00dev, RT2X00_CHIP_INTF_PCI);
+
 	rt2x00dev->priv = (void *)&rt2800pci_rt2800_ops;
 
 	/*
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 1383e55ff8e..9aee3ab6589 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -1050,7 +1050,8 @@ static void rt2800usb_link_stats(struct rt2x00_dev *rt2x00dev,
 static u8 rt2800usb_get_default_vgc(struct rt2x00_dev *rt2x00dev)
 {
 	if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
-		if (rt2x00_rev(&rt2x00dev->chip) == RT3070_VERSION)
+		if (rt2x00_intf_is_usb(rt2x00dev) &&
+		    rt2x00_rev(&rt2x00dev->chip) == RT3070_VERSION)
 			return 0x1c + (2 * rt2x00dev->lna_gain);
 		else
 			return 0x2e + rt2x00dev->lna_gain;
@@ -1285,33 +1286,38 @@ static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 	u32 reg;
 	unsigned int i;
 
-	/*
-	 * Wait untill BBP and RF are ready.
-	 */
-	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
-		rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
-		if (reg && reg != ~0)
-			break;
-		msleep(1);
-	}
+	if (rt2x00_intf_is_usb(rt2x00dev)) {
+		/*
+		 * Wait untill BBP and RF are ready.
+		 */
+		for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+			rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
+			if (reg && reg != ~0)
+				break;
+			msleep(1);
+		}
 
-	if (i == REGISTER_BUSY_COUNT) {
-		ERROR(rt2x00dev, "Unstable hardware.\n");
-		return -EBUSY;
-	}
+		if (i == REGISTER_BUSY_COUNT) {
+			ERROR(rt2x00dev, "Unstable hardware.\n");
+			return -EBUSY;
+		}
 
-	rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
-	rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, reg & ~0x00002000);
+		rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
+		rt2800_register_write(rt2x00dev, PBF_SYS_CTRL,
+				      reg & ~0x00002000);
+	}
 
 	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
 	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
 
-	rt2800_register_write(rt2x00dev, USB_DMA_CFG, 0x00000000);
+	if (rt2x00_intf_is_usb(rt2x00dev)) {
+		rt2800_register_write(rt2x00dev, USB_DMA_CFG, 0x00000000);
 
-	rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
-				    USB_MODE_RESET, REGISTER_TIMEOUT);
+		rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
+					    USB_MODE_RESET, REGISTER_TIMEOUT);
+	}
 
 	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
 
@@ -1343,7 +1349,8 @@ static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, BCN_TIME_CFG_TX_TIME_COMPENSATE, 0);
 	rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
 
-	if (rt2x00_rev(&rt2x00dev->chip) == RT3070_VERSION) {
+	if (rt2x00_intf_is_usb(rt2x00dev) &&
+	    rt2x00_rev(&rt2x00dev->chip) == RT3070_VERSION) {
 		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
 		rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
 		rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
@@ -1461,19 +1468,21 @@ static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
 	rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
 
-	rt2800_register_write(rt2x00dev, PBF_CFG, 0xf40006);
+	if (rt2x00_intf_is_usb(rt2x00dev)) {
+		rt2800_register_write(rt2x00dev, PBF_CFG, 0xf40006);
 
-	rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
-	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
-	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
-	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
-	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
-	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 3);
-	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 0);
-	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_BIG_ENDIAN, 0);
-	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_HDR_SCATTER, 0);
-	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_HDR_SEG_LEN, 0);
-	rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
+		rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
+		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
+		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
+		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
+		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
+		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 3);
+		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 0);
+		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_BIG_ENDIAN, 0);
+		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_HDR_SCATTER, 0);
+		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_HDR_SEG_LEN, 0);
+		rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
+	}
 
 	rt2800_register_write(rt2x00dev, TXOP_CTRL_CFG, 0x0000583f);
 	rt2800_register_write(rt2x00dev, TXOP_HLDR_ET, 0x00000002);
@@ -1519,9 +1528,11 @@ static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2800_register_write(rt2x00dev, HW_BEACON_BASE6, 0);
 	rt2800_register_write(rt2x00dev, HW_BEACON_BASE7, 0);
 
-	rt2800_register_read(rt2x00dev, USB_CYC_CFG, &reg);
-	rt2x00_set_field32(&reg, USB_CYC_CFG_CLOCK_CYCLE, 30);
-	rt2800_register_write(rt2x00dev, USB_CYC_CFG, reg);
+	if (rt2x00_intf_is_usb(rt2x00dev)) {
+		rt2800_register_read(rt2x00dev, USB_CYC_CFG, &reg);
+		rt2x00_set_field32(&reg, USB_CYC_CFG_CLOCK_CYCLE, 30);
+		rt2800_register_write(rt2x00dev, USB_CYC_CFG, reg);
+	}
 
 	rt2800_register_read(rt2x00dev, HT_FBK_CFG0, &reg);
 	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS0FBK, 0);
@@ -1650,11 +1661,11 @@ static int rt2800usb_init_bbp(struct rt2x00_dev *rt2x00dev)
 		rt2800_bbp_write(rt2x00dev, 73, 0x12);
 	}
 
-	if (rt2x00_rev(&rt2x00dev->chip) > RT2860D_VERSION) {
+	if (rt2x00_rev(&rt2x00dev->chip) > RT2860D_VERSION)
 		rt2800_bbp_write(rt2x00dev, 84, 0x19);
-	}
 
-	if (rt2x00_rev(&rt2x00dev->chip) == RT3070_VERSION) {
+	if (rt2x00_intf_is_usb(rt2x00dev) &&
+	    rt2x00_rev(&rt2x00dev->chip) == RT3070_VERSION) {
 		rt2800_bbp_write(rt2x00dev, 70, 0x0a);
 		rt2800_bbp_write(rt2x00dev, 84, 0x99);
 		rt2800_bbp_write(rt2x00dev, 105, 0x05);
@@ -1738,7 +1749,8 @@ static int rt2800usb_init_rfcsr(struct rt2x00_dev *rt2x00dev)
 	u8 rfcsr;
 	u8 bbp;
 
-	if (rt2x00_rev(&rt2x00dev->chip) != RT3070_VERSION)
+	if (rt2x00_intf_is_usb(rt2x00dev) &&
+	    rt2x00_rev(&rt2x00dev->chip) != RT3070_VERSION)
 		return 0;
 
 	/*
@@ -1751,26 +1763,28 @@ static int rt2800usb_init_rfcsr(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
 	rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
 
-	rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
-	rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
-	rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
-	rt2800_rfcsr_write(rt2x00dev, 7, 0x70);
-	rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
-	rt2800_rfcsr_write(rt2x00dev, 10, 0x71);
-	rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
-	rt2800_rfcsr_write(rt2x00dev, 12, 0x7b);
-	rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
-	rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
-	rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
-	rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
-	rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
-	rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
-	rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
-	rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
-	rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
-	rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
-	rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
-	rt2800_rfcsr_write(rt2x00dev, 29, 0x1f);
+	if (rt2x00_intf_is_usb(rt2x00dev)) {
+		rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
+		rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
+		rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
+		rt2800_rfcsr_write(rt2x00dev, 7, 0x70);
+		rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
+		rt2800_rfcsr_write(rt2x00dev, 10, 0x71);
+		rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
+		rt2800_rfcsr_write(rt2x00dev, 12, 0x7b);
+		rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
+		rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
+		rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
+		rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
+		rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
+		rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
+		rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
+		rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
+		rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
+		rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
+		rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
+		rt2800_rfcsr_write(rt2x00dev, 29, 0x1f);
+	}
 
 	/*
 	 * Set RX Filter calibration for 20MHz and 40MHz
@@ -2644,6 +2658,8 @@ static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
 {
 	int retval;
 
+	rt2x00_set_chip_intf(rt2x00dev, RT2X00_CHIP_INTF_USB);
+
 	rt2x00dev->priv = (void *)&rt2800usb_rt2800_ops;
 
 	/*
-- 
GitLab


From 89297425c2104b187c25d6260a41345c491c8f18 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:36:24 +0100
Subject: [PATCH 0987/1815] rt2800: add rt2800lib (part one)

Code unification.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/Kconfig     |   5 +
 drivers/net/wireless/rt2x00/Makefile    |   1 +
 drivers/net/wireless/rt2x00/rt2800lib.c | 244 ++++++++++++++++++++++++
 drivers/net/wireless/rt2x00/rt2800lib.h |  14 ++
 drivers/net/wireless/rt2x00/rt2800pci.c | 236 -----------------------
 drivers/net/wireless/rt2x00/rt2800usb.c | 223 ----------------------
 6 files changed, 264 insertions(+), 459 deletions(-)
 create mode 100644 drivers/net/wireless/rt2x00/rt2800lib.c

diff --git a/drivers/net/wireless/rt2x00/Kconfig b/drivers/net/wireless/rt2x00/Kconfig
index 18e5b8e6c34..bf60689aaab 100644
--- a/drivers/net/wireless/rt2x00/Kconfig
+++ b/drivers/net/wireless/rt2x00/Kconfig
@@ -66,6 +66,7 @@ config RT2800PCI_SOC
 config RT2800PCI
 	tristate "Ralink rt2800 (PCI/PCMCIA) support (VERY EXPERIMENTAL)"
 	depends on (RT2800PCI_PCI || RT2800PCI_SOC) && EXPERIMENTAL
+	select RT2800_LIB
 	select RT2X00_LIB_PCI if RT2800PCI_PCI
 	select RT2X00_LIB_SOC if RT2800PCI_SOC
 	select RT2X00_LIB_HT
@@ -109,6 +110,7 @@ config RT73USB
 config RT2800USB
 	tristate "Ralink rt2800 (USB) support (EXPERIMENTAL)"
 	depends on USB && EXPERIMENTAL
+	select RT2800_LIB
 	select RT2X00_LIB_USB
 	select RT2X00_LIB_HT
 	select RT2X00_LIB_FIRMWARE
@@ -124,6 +126,9 @@ config RT2800USB
 
 	  When compiled as a module, this driver will be called "rt2800usb.ko".
 
+config RT2800_LIB
+	tristate
+
 config RT2X00_LIB_PCI
 	tristate
 	select RT2X00_LIB
diff --git a/drivers/net/wireless/rt2x00/Makefile b/drivers/net/wireless/rt2x00/Makefile
index 912f5f67e15..97133985829 100644
--- a/drivers/net/wireless/rt2x00/Makefile
+++ b/drivers/net/wireless/rt2x00/Makefile
@@ -13,6 +13,7 @@ obj-$(CONFIG_RT2X00_LIB)		+= rt2x00lib.o
 obj-$(CONFIG_RT2X00_LIB_PCI)		+= rt2x00pci.o
 obj-$(CONFIG_RT2X00_LIB_SOC)		+= rt2x00soc.o
 obj-$(CONFIG_RT2X00_LIB_USB)		+= rt2x00usb.o
+obj-$(CONFIG_RT2800_LIB)		+= rt2800lib.o
 obj-$(CONFIG_RT2400PCI)			+= rt2400pci.o
 obj-$(CONFIG_RT2500PCI)			+= rt2500pci.o
 obj-$(CONFIG_RT61PCI)			+= rt61pci.o
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
new file mode 100644
index 00000000000..3cbe85434ce
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -0,0 +1,244 @@
+/*
+	Copyright (C) 2009 Bartlomiej Zolnierkiewicz
+
+	Based on the original rt2800pci.c and rt2800usb.c:
+
+	  Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	  <http://rt2x00.serialmonkey.com>
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation; either version 2 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to the
+	Free Software Foundation, Inc.,
+	59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+	Module: rt2800lib
+	Abstract: rt2800 generic device routines.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+
+#include "rt2x00.h"
+#include "rt2800lib.h"
+#include "rt2800.h"
+
+MODULE_AUTHOR("Bartlomiej Zolnierkiewicz");
+MODULE_DESCRIPTION("rt2800 library");
+MODULE_LICENSE("GPL");
+
+/*
+ * Register access.
+ * All access to the CSR registers will go through the methods
+ * rt2800_register_read and rt2800_register_write.
+ * BBP and RF register require indirect register access,
+ * and use the CSR registers BBPCSR and RFCSR to achieve this.
+ * These indirect registers work with busy bits,
+ * and we will try maximal REGISTER_BUSY_COUNT times to access
+ * the register while taking a REGISTER_BUSY_DELAY us delay
+ * between each attampt. When the busy bit is still set at that time,
+ * the access attempt is considered to have failed,
+ * and we will print an error.
+ * The _lock versions must be used if you already hold the csr_mutex
+ */
+#define WAIT_FOR_BBP(__dev, __reg) \
+	rt2800_regbusy_read((__dev), BBP_CSR_CFG, BBP_CSR_CFG_BUSY, (__reg))
+#define WAIT_FOR_RFCSR(__dev, __reg) \
+	rt2800_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY, (__reg))
+#define WAIT_FOR_RF(__dev, __reg) \
+	rt2800_regbusy_read((__dev), RF_CSR_CFG0, RF_CSR_CFG0_BUSY, (__reg))
+#define WAIT_FOR_MCU(__dev, __reg) \
+	rt2800_regbusy_read((__dev), H2M_MAILBOX_CSR, \
+			    H2M_MAILBOX_CSR_OWNER, (__reg))
+
+void rt2800_bbp_write(struct rt2x00_dev *rt2x00dev,
+		      const unsigned int word, const u8 value)
+{
+	u32 reg;
+
+	mutex_lock(&rt2x00dev->csr_mutex);
+
+	/*
+	 * Wait until the BBP becomes available, afterwards we
+	 * can safely write the new data into the register.
+	 */
+	if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
+		reg = 0;
+		rt2x00_set_field32(&reg, BBP_CSR_CFG_VALUE, value);
+		rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
+		rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
+		rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 0);
+		if (rt2x00_intf_is_pci(rt2x00dev))
+			rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
+
+		rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
+	}
+
+	mutex_unlock(&rt2x00dev->csr_mutex);
+}
+EXPORT_SYMBOL_GPL(rt2800_bbp_write);
+
+void rt2800_bbp_read(struct rt2x00_dev *rt2x00dev,
+		     const unsigned int word, u8 *value)
+{
+	u32 reg;
+
+	mutex_lock(&rt2x00dev->csr_mutex);
+
+	/*
+	 * Wait until the BBP becomes available, afterwards we
+	 * can safely write the read request into the register.
+	 * After the data has been written, we wait until hardware
+	 * returns the correct value, if at any time the register
+	 * doesn't become available in time, reg will be 0xffffffff
+	 * which means we return 0xff to the caller.
+	 */
+	if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
+		reg = 0;
+		rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
+		rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
+		rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 1);
+		if (rt2x00_intf_is_pci(rt2x00dev))
+			rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
+
+		rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
+
+		WAIT_FOR_BBP(rt2x00dev, &reg);
+	}
+
+	*value = rt2x00_get_field32(reg, BBP_CSR_CFG_VALUE);
+
+	mutex_unlock(&rt2x00dev->csr_mutex);
+}
+EXPORT_SYMBOL_GPL(rt2800_bbp_read);
+
+void rt2800_rfcsr_write(struct rt2x00_dev *rt2x00dev,
+			const unsigned int word, const u8 value)
+{
+	u32 reg;
+
+	mutex_lock(&rt2x00dev->csr_mutex);
+
+	/*
+	 * Wait until the RFCSR becomes available, afterwards we
+	 * can safely write the new data into the register.
+	 */
+	if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
+		reg = 0;
+		rt2x00_set_field32(&reg, RF_CSR_CFG_DATA, value);
+		rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
+		rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 1);
+		rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
+
+		rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
+	}
+
+	mutex_unlock(&rt2x00dev->csr_mutex);
+}
+EXPORT_SYMBOL_GPL(rt2800_rfcsr_write);
+
+void rt2800_rfcsr_read(struct rt2x00_dev *rt2x00dev,
+		       const unsigned int word, u8 *value)
+{
+	u32 reg;
+
+	mutex_lock(&rt2x00dev->csr_mutex);
+
+	/*
+	 * Wait until the RFCSR becomes available, afterwards we
+	 * can safely write the read request into the register.
+	 * After the data has been written, we wait until hardware
+	 * returns the correct value, if at any time the register
+	 * doesn't become available in time, reg will be 0xffffffff
+	 * which means we return 0xff to the caller.
+	 */
+	if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
+		reg = 0;
+		rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
+		rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 0);
+		rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
+
+		rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
+
+		WAIT_FOR_RFCSR(rt2x00dev, &reg);
+	}
+
+	*value = rt2x00_get_field32(reg, RF_CSR_CFG_DATA);
+
+	mutex_unlock(&rt2x00dev->csr_mutex);
+}
+EXPORT_SYMBOL_GPL(rt2800_rfcsr_read);
+
+void rt2800_rf_write(struct rt2x00_dev *rt2x00dev,
+		     const unsigned int word, const u32 value)
+{
+	u32 reg;
+
+	mutex_lock(&rt2x00dev->csr_mutex);
+
+	/*
+	 * Wait until the RF becomes available, afterwards we
+	 * can safely write the new data into the register.
+	 */
+	if (WAIT_FOR_RF(rt2x00dev, &reg)) {
+		reg = 0;
+		rt2x00_set_field32(&reg, RF_CSR_CFG0_REG_VALUE_BW, value);
+		rt2x00_set_field32(&reg, RF_CSR_CFG0_STANDBYMODE, 0);
+		rt2x00_set_field32(&reg, RF_CSR_CFG0_SEL, 0);
+		rt2x00_set_field32(&reg, RF_CSR_CFG0_BUSY, 1);
+
+		rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG0, reg);
+		rt2x00_rf_write(rt2x00dev, word, value);
+	}
+
+	mutex_unlock(&rt2x00dev->csr_mutex);
+}
+EXPORT_SYMBOL_GPL(rt2800_rf_write);
+
+void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
+			const u8 command, const u8 token,
+			const u8 arg0, const u8 arg1)
+{
+	u32 reg;
+
+	if (rt2x00_intf_is_pci(rt2x00dev)) {
+		/*
+		* RT2880 and RT3052 don't support MCU requests.
+		*/
+		if (rt2x00_rt(&rt2x00dev->chip, RT2880) ||
+		    rt2x00_rt(&rt2x00dev->chip, RT3052))
+			return;
+	}
+
+	mutex_lock(&rt2x00dev->csr_mutex);
+
+	/*
+	 * Wait until the MCU becomes available, afterwards we
+	 * can safely write the new data into the register.
+	 */
+	if (WAIT_FOR_MCU(rt2x00dev, &reg)) {
+		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_OWNER, 1);
+		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_CMD_TOKEN, token);
+		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG0, arg0);
+		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG1, arg1);
+		rt2800_register_write_lock(rt2x00dev, H2M_MAILBOX_CSR, reg);
+
+		reg = 0;
+		rt2x00_set_field32(&reg, HOST_CMD_CSR_HOST_COMMAND, command);
+		rt2800_register_write_lock(rt2x00dev, HOST_CMD_CSR, reg);
+	}
+
+	mutex_unlock(&rt2x00dev->csr_mutex);
+}
+EXPORT_SYMBOL_GPL(rt2800_mcu_request);
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.h b/drivers/net/wireless/rt2x00/rt2800lib.h
index 17e91fb1a77..40a7f72e87f 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.h
+++ b/drivers/net/wireless/rt2x00/rt2800lib.h
@@ -96,4 +96,18 @@ static inline int rt2800_regbusy_read(struct rt2x00_dev *rt2x00dev,
 	return rt2800ops->regbusy_read(rt2x00dev, offset, field, reg);
 }
 
+void rt2800_bbp_write(struct rt2x00_dev *rt2x00dev,
+		      const unsigned int word, const u8 value);
+void rt2800_bbp_read(struct rt2x00_dev *rt2x00dev,
+		     const unsigned int word, u8 *value);
+void rt2800_rfcsr_write(struct rt2x00_dev *rt2x00dev,
+			const unsigned int word, const u8 value);
+void rt2800_rfcsr_read(struct rt2x00_dev *rt2x00dev,
+		       const unsigned int word, u8 *value);
+void rt2800_rf_write(struct rt2x00_dev *rt2x00dev,
+		     const unsigned int word, const u32 value);
+void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
+			const u8 command, const u8 token,
+			const u8 arg0, const u8 arg1);
+
 #endif /* RT2800LIB_H */
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 938f198f356..90ada5d014f 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -56,242 +56,6 @@ static int modparam_nohwcrypt = 1;
 module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
 
-/*
- * Register access.
- * All access to the CSR registers will go through the methods
- * rt2800_register_read and rt2800_register_write.
- * BBP and RF register require indirect register access,
- * and use the CSR registers BBPCSR and RFCSR to achieve this.
- * These indirect registers work with busy bits,
- * and we will try maximal REGISTER_BUSY_COUNT times to access
- * the register while taking a REGISTER_BUSY_DELAY us delay
- * between each attampt. When the busy bit is still set at that time,
- * the access attempt is considered to have failed,
- * and we will print an error.
- * The _lock versions must be used if you already hold the csr_mutex
- */
-#define WAIT_FOR_BBP(__dev, __reg) \
-	rt2800_regbusy_read((__dev), BBP_CSR_CFG, BBP_CSR_CFG_BUSY, (__reg))
-#define WAIT_FOR_RFCSR(__dev, __reg) \
-	rt2800_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY, (__reg))
-#define WAIT_FOR_RF(__dev, __reg) \
-	rt2800_regbusy_read((__dev), RF_CSR_CFG0, RF_CSR_CFG0_BUSY, (__reg))
-#define WAIT_FOR_MCU(__dev, __reg) \
-	rt2800_regbusy_read((__dev), H2M_MAILBOX_CSR, \
-			    H2M_MAILBOX_CSR_OWNER, (__reg))
-
-static void rt2800pci_bbp_write(struct rt2x00_dev *rt2x00dev,
-				const unsigned int word, const u8 value)
-{
-	u32 reg;
-
-	mutex_lock(&rt2x00dev->csr_mutex);
-
-	/*
-	 * Wait until the BBP becomes available, afterwards we
-	 * can safely write the new data into the register.
-	 */
-	if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
-		reg = 0;
-		rt2x00_set_field32(&reg, BBP_CSR_CFG_VALUE, value);
-		rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
-		rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
-		rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 0);
-		if (rt2x00_intf_is_pci(rt2x00dev))
-			rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
-
-		rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
-	}
-
-	mutex_unlock(&rt2x00dev->csr_mutex);
-}
-
-static void rt2800pci_bbp_read(struct rt2x00_dev *rt2x00dev,
-			       const unsigned int word, u8 *value)
-{
-	u32 reg;
-
-	mutex_lock(&rt2x00dev->csr_mutex);
-
-	/*
-	 * Wait until the BBP becomes available, afterwards we
-	 * can safely write the read request into the register.
-	 * After the data has been written, we wait until hardware
-	 * returns the correct value, if at any time the register
-	 * doesn't become available in time, reg will be 0xffffffff
-	 * which means we return 0xff to the caller.
-	 */
-	if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
-		reg = 0;
-		rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
-		rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
-		rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 1);
-		if (rt2x00_intf_is_pci(rt2x00dev))
-			rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
-
-		rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
-
-		WAIT_FOR_BBP(rt2x00dev, &reg);
-	}
-
-	*value = rt2x00_get_field32(reg, BBP_CSR_CFG_VALUE);
-
-	mutex_unlock(&rt2x00dev->csr_mutex);
-}
-
-static inline void rt2800_bbp_write(struct rt2x00_dev *rt2x00dev,
-				    const unsigned int word, const u8 value)
-{
-	rt2800pci_bbp_write(rt2x00dev, word, value);
-}
-
-static inline void rt2800_bbp_read(struct rt2x00_dev *rt2x00dev,
-				   const unsigned int word, u8 *value)
-{
-	rt2800pci_bbp_read(rt2x00dev, word, value);
-}
-
-static void rt2800pci_rfcsr_write(struct rt2x00_dev *rt2x00dev,
-				  const unsigned int word, const u8 value)
-{
-	u32 reg;
-
-	mutex_lock(&rt2x00dev->csr_mutex);
-
-	/*
-	 * Wait until the RFCSR becomes available, afterwards we
-	 * can safely write the new data into the register.
-	 */
-	if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
-		reg = 0;
-		rt2x00_set_field32(&reg, RF_CSR_CFG_DATA, value);
-		rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
-		rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 1);
-		rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
-
-		rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
-	}
-
-	mutex_unlock(&rt2x00dev->csr_mutex);
-}
-
-static void rt2800pci_rfcsr_read(struct rt2x00_dev *rt2x00dev,
-				 const unsigned int word, u8 *value)
-{
-	u32 reg;
-
-	mutex_lock(&rt2x00dev->csr_mutex);
-
-	/*
-	 * Wait until the RFCSR becomes available, afterwards we
-	 * can safely write the read request into the register.
-	 * After the data has been written, we wait until hardware
-	 * returns the correct value, if at any time the register
-	 * doesn't become available in time, reg will be 0xffffffff
-	 * which means we return 0xff to the caller.
-	 */
-	if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
-		reg = 0;
-		rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
-		rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 0);
-		rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
-
-		rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
-
-		WAIT_FOR_RFCSR(rt2x00dev, &reg);
-	}
-
-	*value = rt2x00_get_field32(reg, RF_CSR_CFG_DATA);
-
-	mutex_unlock(&rt2x00dev->csr_mutex);
-}
-
-static inline void rt2800_rfcsr_write(struct rt2x00_dev *rt2x00dev,
-				      const unsigned int word, const u8 value)
-{
-	rt2800pci_rfcsr_write(rt2x00dev, word, value);
-}
-
-static inline void rt2800_rfcsr_read(struct rt2x00_dev *rt2x00dev,
-				     const unsigned int word, u8 *value)
-{
-	rt2800pci_rfcsr_read(rt2x00dev, word, value);
-}
-
-static void rt2800pci_rf_write(struct rt2x00_dev *rt2x00dev,
-			       const unsigned int word, const u32 value)
-{
-	u32 reg;
-
-	mutex_lock(&rt2x00dev->csr_mutex);
-
-	/*
-	 * Wait until the RF becomes available, afterwards we
-	 * can safely write the new data into the register.
-	 */
-	if (WAIT_FOR_RF(rt2x00dev, &reg)) {
-		reg = 0;
-		rt2x00_set_field32(&reg, RF_CSR_CFG0_REG_VALUE_BW, value);
-		rt2x00_set_field32(&reg, RF_CSR_CFG0_STANDBYMODE, 0);
-		rt2x00_set_field32(&reg, RF_CSR_CFG0_SEL, 0);
-		rt2x00_set_field32(&reg, RF_CSR_CFG0_BUSY, 1);
-
-		rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG0, reg);
-		rt2x00_rf_write(rt2x00dev, word, value);
-	}
-
-	mutex_unlock(&rt2x00dev->csr_mutex);
-}
-
-static inline void rt2800_rf_write(struct rt2x00_dev *rt2x00dev,
-				   const unsigned int word, const u32 value)
-{
-	rt2800pci_rf_write(rt2x00dev, word, value);
-}
-
-static void rt2800pci_mcu_request(struct rt2x00_dev *rt2x00dev,
-				  const u8 command, const u8 token,
-				  const u8 arg0, const u8 arg1)
-{
-	u32 reg;
-
-	if (rt2x00_intf_is_pci(rt2x00dev)) {
-		/*
-		* RT2880 and RT3052 don't support MCU requests.
-		*/
-		if (rt2x00_rt(&rt2x00dev->chip, RT2880) ||
-		    rt2x00_rt(&rt2x00dev->chip, RT3052))
-			return;
-	}
-
-	mutex_lock(&rt2x00dev->csr_mutex);
-
-	/*
-	 * Wait until the MCU becomes available, afterwards we
-	 * can safely write the new data into the register.
-	 */
-	if (WAIT_FOR_MCU(rt2x00dev, &reg)) {
-		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_OWNER, 1);
-		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_CMD_TOKEN, token);
-		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG0, arg0);
-		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG1, arg1);
-		rt2800_register_write_lock(rt2x00dev, H2M_MAILBOX_CSR, reg);
-
-		reg = 0;
-		rt2x00_set_field32(&reg, HOST_CMD_CSR_HOST_COMMAND, command);
-		rt2800_register_write_lock(rt2x00dev, HOST_CMD_CSR, reg);
-	}
-
-	mutex_unlock(&rt2x00dev->csr_mutex);
-}
-
-static inline void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
-				      const u8 command, const u8 token,
-				      const u8 arg0, const u8 arg1)
-{
-	rt2800pci_mcu_request(rt2x00dev, command, token, arg0, arg1);
-}
-
 static void rt2800pci_mcu_status(struct rt2x00_dev *rt2x00dev, const u8 token)
 {
 	unsigned int i;
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 9aee3ab6589..6bd646a979a 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -45,229 +45,6 @@ static int modparam_nohwcrypt = 1;
 module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
 
-/*
- * Register access.
- * All access to the CSR registers will go through the methods
- * rt2800_register_read and rt2800_register_write.
- * BBP and RF register require indirect register access,
- * and use the CSR registers BBPCSR and RFCSR to achieve this.
- * These indirect registers work with busy bits,
- * and we will try maximal REGISTER_BUSY_COUNT times to access
- * the register while taking a REGISTER_BUSY_DELAY us delay
- * between each attampt. When the busy bit is still set at that time,
- * the access attempt is considered to have failed,
- * and we will print an error.
- * The _lock versions must be used if you already hold the csr_mutex
- */
-#define WAIT_FOR_BBP(__dev, __reg) \
-	rt2800_regbusy_read((__dev), BBP_CSR_CFG, BBP_CSR_CFG_BUSY, (__reg))
-#define WAIT_FOR_RFCSR(__dev, __reg) \
-	rt2800_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY, (__reg))
-#define WAIT_FOR_RF(__dev, __reg) \
-	rt2800_regbusy_read((__dev), RF_CSR_CFG0, RF_CSR_CFG0_BUSY, (__reg))
-#define WAIT_FOR_MCU(__dev, __reg) \
-	rt2800_regbusy_read((__dev), H2M_MAILBOX_CSR, \
-			    H2M_MAILBOX_CSR_OWNER, (__reg))
-
-static void rt2800usb_bbp_write(struct rt2x00_dev *rt2x00dev,
-				const unsigned int word, const u8 value)
-{
-	u32 reg;
-
-	mutex_lock(&rt2x00dev->csr_mutex);
-
-	/*
-	 * Wait until the BBP becomes available, afterwards we
-	 * can safely write the new data into the register.
-	 */
-	if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
-		reg = 0;
-		rt2x00_set_field32(&reg, BBP_CSR_CFG_VALUE, value);
-		rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
-		rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
-		rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 0);
-
-		rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
-	}
-
-	mutex_unlock(&rt2x00dev->csr_mutex);
-}
-
-static void rt2800usb_bbp_read(struct rt2x00_dev *rt2x00dev,
-			       const unsigned int word, u8 *value)
-{
-	u32 reg;
-
-	mutex_lock(&rt2x00dev->csr_mutex);
-
-	/*
-	 * Wait until the BBP becomes available, afterwards we
-	 * can safely write the read request into the register.
-	 * After the data has been written, we wait until hardware
-	 * returns the correct value, if at any time the register
-	 * doesn't become available in time, reg will be 0xffffffff
-	 * which means we return 0xff to the caller.
-	 */
-	if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
-		reg = 0;
-		rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
-		rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
-		rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 1);
-
-		rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
-
-		WAIT_FOR_BBP(rt2x00dev, &reg);
-	}
-
-	*value = rt2x00_get_field32(reg, BBP_CSR_CFG_VALUE);
-
-	mutex_unlock(&rt2x00dev->csr_mutex);
-}
-
-static inline void rt2800_bbp_write(struct rt2x00_dev *rt2x00dev,
-				    const unsigned int word, const u8 value)
-{
-	rt2800usb_bbp_write(rt2x00dev, word, value);
-}
-
-static inline void rt2800_bbp_read(struct rt2x00_dev *rt2x00dev,
-				   const unsigned int word, u8 *value)
-{
-	rt2800usb_bbp_read(rt2x00dev, word, value);
-}
-
-static void rt2800usb_rfcsr_write(struct rt2x00_dev *rt2x00dev,
-				  const unsigned int word, const u8 value)
-{
-	u32 reg;
-
-	mutex_lock(&rt2x00dev->csr_mutex);
-
-	/*
-	 * Wait until the RFCSR becomes available, afterwards we
-	 * can safely write the new data into the register.
-	 */
-	if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
-		reg = 0;
-		rt2x00_set_field32(&reg, RF_CSR_CFG_DATA, value);
-		rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
-		rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 1);
-		rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
-
-		rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
-	}
-
-	mutex_unlock(&rt2x00dev->csr_mutex);
-}
-
-static void rt2800usb_rfcsr_read(struct rt2x00_dev *rt2x00dev,
-				 const unsigned int word, u8 *value)
-{
-	u32 reg;
-
-	mutex_lock(&rt2x00dev->csr_mutex);
-
-	/*
-	 * Wait until the RFCSR becomes available, afterwards we
-	 * can safely write the read request into the register.
-	 * After the data has been written, we wait until hardware
-	 * returns the correct value, if at any time the register
-	 * doesn't become available in time, reg will be 0xffffffff
-	 * which means we return 0xff to the caller.
-	 */
-	if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
-		reg = 0;
-		rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
-		rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 0);
-		rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
-
-		rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
-
-		WAIT_FOR_RFCSR(rt2x00dev, &reg);
-	}
-
-	*value = rt2x00_get_field32(reg, RF_CSR_CFG_DATA);
-
-	mutex_unlock(&rt2x00dev->csr_mutex);
-}
-
-static inline void rt2800_rfcsr_write(struct rt2x00_dev *rt2x00dev,
-				      const unsigned int word, const u8 value)
-{
-	rt2800usb_rfcsr_write(rt2x00dev, word, value);
-}
-
-static inline void rt2800_rfcsr_read(struct rt2x00_dev *rt2x00dev,
-				     const unsigned int word, u8 *value)
-{
-	rt2800usb_rfcsr_read(rt2x00dev, word, value);
-}
-
-static void rt2800usb_rf_write(struct rt2x00_dev *rt2x00dev,
-			       const unsigned int word, const u32 value)
-{
-	u32 reg;
-
-	mutex_lock(&rt2x00dev->csr_mutex);
-
-	/*
-	 * Wait until the RF becomes available, afterwards we
-	 * can safely write the new data into the register.
-	 */
-	if (WAIT_FOR_RF(rt2x00dev, &reg)) {
-		reg = 0;
-		rt2x00_set_field32(&reg, RF_CSR_CFG0_REG_VALUE_BW, value);
-		rt2x00_set_field32(&reg, RF_CSR_CFG0_STANDBYMODE, 0);
-		rt2x00_set_field32(&reg, RF_CSR_CFG0_SEL, 0);
-		rt2x00_set_field32(&reg, RF_CSR_CFG0_BUSY, 1);
-
-		rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG0, reg);
-		rt2x00_rf_write(rt2x00dev, word, value);
-	}
-
-	mutex_unlock(&rt2x00dev->csr_mutex);
-}
-
-static inline void rt2800_rf_write(struct rt2x00_dev *rt2x00dev,
-				   const unsigned int word, const u32 value)
-{
-	rt2800usb_rf_write(rt2x00dev, word, value);
-}
-
-static void rt2800usb_mcu_request(struct rt2x00_dev *rt2x00dev,
-				  const u8 command, const u8 token,
-				  const u8 arg0, const u8 arg1)
-{
-	u32 reg;
-
-	mutex_lock(&rt2x00dev->csr_mutex);
-
-	/*
-	 * Wait until the MCU becomes available, afterwards we
-	 * can safely write the new data into the register.
-	 */
-	if (WAIT_FOR_MCU(rt2x00dev, &reg)) {
-		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_OWNER, 1);
-		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_CMD_TOKEN, token);
-		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG0, arg0);
-		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG1, arg1);
-		rt2800_register_write_lock(rt2x00dev, H2M_MAILBOX_CSR, reg);
-
-		reg = 0;
-		rt2x00_set_field32(&reg, HOST_CMD_CSR_HOST_COMMAND, command);
-		rt2800_register_write_lock(rt2x00dev, HOST_CMD_CSR, reg);
-	}
-
-	mutex_unlock(&rt2x00dev->csr_mutex);
-}
-
-static inline void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
-				      const u8 command, const u8 token,
-				      const u8 arg0, const u8 arg1)
-{
-	rt2800usb_mcu_request(rt2x00dev, command, token, arg0, arg1);
-}
-
 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
 static const struct rt2x00debug rt2800usb_rt2x00debug = {
 	.owner	= THIS_MODULE,
-- 
GitLab


From f445061630c7a4a85193fdef006234f94f71c366 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:36:40 +0100
Subject: [PATCH 0988/1815] rt2800: add rt2800lib (part two)

Code unification.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800lib.c | 832 +++++++++++++++++++++++
 drivers/net/wireless/rt2x00/rt2800lib.h |  25 +
 drivers/net/wireless/rt2x00/rt2800pci.c | 854 +----------------------
 drivers/net/wireless/rt2x00/rt2800usb.c | 856 +-----------------------
 4 files changed, 887 insertions(+), 1680 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 3cbe85434ce..ba88d643edd 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -242,3 +242,835 @@ void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
 	mutex_unlock(&rt2x00dev->csr_mutex);
 }
 EXPORT_SYMBOL_GPL(rt2800_mcu_request);
+
+#ifdef CONFIG_RT2X00_LIB_DEBUGFS
+const struct rt2x00debug rt2800_rt2x00debug = {
+	.owner	= THIS_MODULE,
+	.csr	= {
+		.read		= rt2800_register_read,
+		.write		= rt2800_register_write,
+		.flags		= RT2X00DEBUGFS_OFFSET,
+		.word_base	= CSR_REG_BASE,
+		.word_size	= sizeof(u32),
+		.word_count	= CSR_REG_SIZE / sizeof(u32),
+	},
+	.eeprom	= {
+		.read		= rt2x00_eeprom_read,
+		.write		= rt2x00_eeprom_write,
+		.word_base	= EEPROM_BASE,
+		.word_size	= sizeof(u16),
+		.word_count	= EEPROM_SIZE / sizeof(u16),
+	},
+	.bbp	= {
+		.read		= rt2800_bbp_read,
+		.write		= rt2800_bbp_write,
+		.word_base	= BBP_BASE,
+		.word_size	= sizeof(u8),
+		.word_count	= BBP_SIZE / sizeof(u8),
+	},
+	.rf	= {
+		.read		= rt2x00_rf_read,
+		.write		= rt2800_rf_write,
+		.word_base	= RF_BASE,
+		.word_size	= sizeof(u32),
+		.word_count	= RF_SIZE / sizeof(u32),
+	},
+};
+EXPORT_SYMBOL_GPL(rt2800_rt2x00debug);
+#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
+
+int rt2800_rfkill_poll(struct rt2x00_dev *rt2x00dev)
+{
+	u32 reg;
+
+	rt2800_register_read(rt2x00dev, GPIO_CTRL_CFG, &reg);
+	return rt2x00_get_field32(reg, GPIO_CTRL_CFG_BIT2);
+}
+EXPORT_SYMBOL_GPL(rt2800_rfkill_poll);
+
+#ifdef CONFIG_RT2X00_LIB_LEDS
+static void rt2800_brightness_set(struct led_classdev *led_cdev,
+				  enum led_brightness brightness)
+{
+	struct rt2x00_led *led =
+	    container_of(led_cdev, struct rt2x00_led, led_dev);
+	unsigned int enabled = brightness != LED_OFF;
+	unsigned int bg_mode =
+	    (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ);
+	unsigned int polarity =
+		rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
+				   EEPROM_FREQ_LED_POLARITY);
+	unsigned int ledmode =
+		rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
+				   EEPROM_FREQ_LED_MODE);
+
+	if (led->type == LED_TYPE_RADIO) {
+		rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
+				      enabled ? 0x20 : 0);
+	} else if (led->type == LED_TYPE_ASSOC) {
+		rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
+				      enabled ? (bg_mode ? 0x60 : 0xa0) : 0x20);
+	} else if (led->type == LED_TYPE_QUALITY) {
+		/*
+		 * The brightness is divided into 6 levels (0 - 5),
+		 * The specs tell us the following levels:
+		 *	0, 1 ,3, 7, 15, 31
+		 * to determine the level in a simple way we can simply
+		 * work with bitshifting:
+		 *	(1 << level) - 1
+		 */
+		rt2800_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff,
+				      (1 << brightness / (LED_FULL / 6)) - 1,
+				      polarity);
+	}
+}
+
+static int rt2800_blink_set(struct led_classdev *led_cdev,
+			    unsigned long *delay_on, unsigned long *delay_off)
+{
+	struct rt2x00_led *led =
+	    container_of(led_cdev, struct rt2x00_led, led_dev);
+	u32 reg;
+
+	rt2800_register_read(led->rt2x00dev, LED_CFG, &reg);
+	rt2x00_set_field32(&reg, LED_CFG_ON_PERIOD, *delay_on);
+	rt2x00_set_field32(&reg, LED_CFG_OFF_PERIOD, *delay_off);
+	rt2x00_set_field32(&reg, LED_CFG_SLOW_BLINK_PERIOD, 3);
+	rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE, 3);
+	rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, 12);
+	rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE, 3);
+	rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, 1);
+	rt2800_register_write(led->rt2x00dev, LED_CFG, reg);
+
+	return 0;
+}
+
+void rt2800_init_led(struct rt2x00_dev *rt2x00dev,
+		     struct rt2x00_led *led, enum led_type type)
+{
+	led->rt2x00dev = rt2x00dev;
+	led->type = type;
+	led->led_dev.brightness_set = rt2800_brightness_set;
+	led->led_dev.blink_set = rt2800_blink_set;
+	led->flags = LED_INITIALIZED;
+}
+EXPORT_SYMBOL_GPL(rt2800_init_led);
+#endif /* CONFIG_RT2X00_LIB_LEDS */
+
+/*
+ * Configuration handlers.
+ */
+static void rt2800_config_wcid_attr(struct rt2x00_dev *rt2x00dev,
+				    struct rt2x00lib_crypto *crypto,
+				    struct ieee80211_key_conf *key)
+{
+	struct mac_wcid_entry wcid_entry;
+	struct mac_iveiv_entry iveiv_entry;
+	u32 offset;
+	u32 reg;
+
+	offset = MAC_WCID_ATTR_ENTRY(key->hw_key_idx);
+
+	rt2800_register_read(rt2x00dev, offset, &reg);
+	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_KEYTAB,
+			   !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE));
+	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER,
+			   (crypto->cmd == SET_KEY) * crypto->cipher);
+	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX,
+			   (crypto->cmd == SET_KEY) * crypto->bssidx);
+	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, crypto->cipher);
+	rt2800_register_write(rt2x00dev, offset, reg);
+
+	offset = MAC_IVEIV_ENTRY(key->hw_key_idx);
+
+	memset(&iveiv_entry, 0, sizeof(iveiv_entry));
+	if ((crypto->cipher == CIPHER_TKIP) ||
+	    (crypto->cipher == CIPHER_TKIP_NO_MIC) ||
+	    (crypto->cipher == CIPHER_AES))
+		iveiv_entry.iv[3] |= 0x20;
+	iveiv_entry.iv[3] |= key->keyidx << 6;
+	rt2800_register_multiwrite(rt2x00dev, offset,
+				      &iveiv_entry, sizeof(iveiv_entry));
+
+	offset = MAC_WCID_ENTRY(key->hw_key_idx);
+
+	memset(&wcid_entry, 0, sizeof(wcid_entry));
+	if (crypto->cmd == SET_KEY)
+		memcpy(&wcid_entry, crypto->address, ETH_ALEN);
+	rt2800_register_multiwrite(rt2x00dev, offset,
+				      &wcid_entry, sizeof(wcid_entry));
+}
+
+int rt2800_config_shared_key(struct rt2x00_dev *rt2x00dev,
+			     struct rt2x00lib_crypto *crypto,
+			     struct ieee80211_key_conf *key)
+{
+	struct hw_key_entry key_entry;
+	struct rt2x00_field32 field;
+	u32 offset;
+	u32 reg;
+
+	if (crypto->cmd == SET_KEY) {
+		key->hw_key_idx = (4 * crypto->bssidx) + key->keyidx;
+
+		memcpy(key_entry.key, crypto->key,
+		       sizeof(key_entry.key));
+		memcpy(key_entry.tx_mic, crypto->tx_mic,
+		       sizeof(key_entry.tx_mic));
+		memcpy(key_entry.rx_mic, crypto->rx_mic,
+		       sizeof(key_entry.rx_mic));
+
+		offset = SHARED_KEY_ENTRY(key->hw_key_idx);
+		rt2800_register_multiwrite(rt2x00dev, offset,
+					      &key_entry, sizeof(key_entry));
+	}
+
+	/*
+	 * The cipher types are stored over multiple registers
+	 * starting with SHARED_KEY_MODE_BASE each word will have
+	 * 32 bits and contains the cipher types for 2 bssidx each.
+	 * Using the correct defines correctly will cause overhead,
+	 * so just calculate the correct offset.
+	 */
+	field.bit_offset = 4 * (key->hw_key_idx % 8);
+	field.bit_mask = 0x7 << field.bit_offset;
+
+	offset = SHARED_KEY_MODE_ENTRY(key->hw_key_idx / 8);
+
+	rt2800_register_read(rt2x00dev, offset, &reg);
+	rt2x00_set_field32(&reg, field,
+			   (crypto->cmd == SET_KEY) * crypto->cipher);
+	rt2800_register_write(rt2x00dev, offset, reg);
+
+	/*
+	 * Update WCID information
+	 */
+	rt2800_config_wcid_attr(rt2x00dev, crypto, key);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(rt2800_config_shared_key);
+
+int rt2800_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
+			       struct rt2x00lib_crypto *crypto,
+			       struct ieee80211_key_conf *key)
+{
+	struct hw_key_entry key_entry;
+	u32 offset;
+
+	if (crypto->cmd == SET_KEY) {
+		/*
+		 * 1 pairwise key is possible per AID, this means that the AID
+		 * equals our hw_key_idx. Make sure the WCID starts _after_ the
+		 * last possible shared key entry.
+		 */
+		if (crypto->aid > (256 - 32))
+			return -ENOSPC;
+
+		key->hw_key_idx = 32 + crypto->aid;
+
+		memcpy(key_entry.key, crypto->key,
+		       sizeof(key_entry.key));
+		memcpy(key_entry.tx_mic, crypto->tx_mic,
+		       sizeof(key_entry.tx_mic));
+		memcpy(key_entry.rx_mic, crypto->rx_mic,
+		       sizeof(key_entry.rx_mic));
+
+		offset = PAIRWISE_KEY_ENTRY(key->hw_key_idx);
+		rt2800_register_multiwrite(rt2x00dev, offset,
+					      &key_entry, sizeof(key_entry));
+	}
+
+	/*
+	 * Update WCID information
+	 */
+	rt2800_config_wcid_attr(rt2x00dev, crypto, key);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(rt2800_config_pairwise_key);
+
+void rt2800_config_filter(struct rt2x00_dev *rt2x00dev,
+			  const unsigned int filter_flags)
+{
+	u32 reg;
+
+	/*
+	 * Start configuration steps.
+	 * Note that the version error will always be dropped
+	 * and broadcast frames will always be accepted since
+	 * there is no filter for it at this time.
+	 */
+	rt2800_register_read(rt2x00dev, RX_FILTER_CFG, &reg);
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CRC_ERROR,
+			   !(filter_flags & FIF_FCSFAIL));
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PHY_ERROR,
+			   !(filter_flags & FIF_PLCPFAIL));
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_TO_ME,
+			   !(filter_flags & FIF_PROMISC_IN_BSS));
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_MY_BSSD, 0);
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_VER_ERROR, 1);
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_MULTICAST,
+			   !(filter_flags & FIF_ALLMULTI));
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BROADCAST, 0);
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_DUPLICATE, 1);
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END_ACK,
+			   !(filter_flags & FIF_CONTROL));
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END,
+			   !(filter_flags & FIF_CONTROL));
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_ACK,
+			   !(filter_flags & FIF_CONTROL));
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CTS,
+			   !(filter_flags & FIF_CONTROL));
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_RTS,
+			   !(filter_flags & FIF_CONTROL));
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PSPOLL,
+			   !(filter_flags & FIF_PSPOLL));
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BA, 1);
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BAR, 0);
+	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CNTL,
+			   !(filter_flags & FIF_CONTROL));
+	rt2800_register_write(rt2x00dev, RX_FILTER_CFG, reg);
+}
+EXPORT_SYMBOL_GPL(rt2800_config_filter);
+
+void rt2800_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf,
+			struct rt2x00intf_conf *conf, const unsigned int flags)
+{
+	unsigned int beacon_base;
+	u32 reg;
+
+	if (flags & CONFIG_UPDATE_TYPE) {
+		/*
+		 * Clear current synchronisation setup.
+		 * For the Beacon base registers we only need to clear
+		 * the first byte since that byte contains the VALID and OWNER
+		 * bits which (when set to 0) will invalidate the entire beacon.
+		 */
+		beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
+		rt2800_register_write(rt2x00dev, beacon_base, 0);
+
+		/*
+		 * Enable synchronisation.
+		 */
+		rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
+		rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
+		rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, conf->sync);
+		rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
+		rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+	}
+
+	if (flags & CONFIG_UPDATE_MAC) {
+		reg = le32_to_cpu(conf->mac[1]);
+		rt2x00_set_field32(&reg, MAC_ADDR_DW1_UNICAST_TO_ME_MASK, 0xff);
+		conf->mac[1] = cpu_to_le32(reg);
+
+		rt2800_register_multiwrite(rt2x00dev, MAC_ADDR_DW0,
+					      conf->mac, sizeof(conf->mac));
+	}
+
+	if (flags & CONFIG_UPDATE_BSSID) {
+		reg = le32_to_cpu(conf->bssid[1]);
+		rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_ID_MASK, 0);
+		rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_BCN_NUM, 0);
+		conf->bssid[1] = cpu_to_le32(reg);
+
+		rt2800_register_multiwrite(rt2x00dev, MAC_BSSID_DW0,
+					      conf->bssid, sizeof(conf->bssid));
+	}
+}
+EXPORT_SYMBOL_GPL(rt2800_config_intf);
+
+void rt2800_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp)
+{
+	u32 reg;
+
+	rt2800_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
+	rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_RX_ACK_TIMEOUT, 0x20);
+	rt2800_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
+
+	rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
+	rt2x00_set_field32(&reg, AUTO_RSP_CFG_BAC_ACK_POLICY,
+			   !!erp->short_preamble);
+	rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE,
+			   !!erp->short_preamble);
+	rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
+
+	rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL,
+			   erp->cts_protection ? 2 : 0);
+	rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
+
+	rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE,
+				 erp->basic_rates);
+	rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
+
+	rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
+	rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME, erp->slot_time);
+	rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_CC_DELAY_TIME, 2);
+	rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
+
+	rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
+	rt2x00_set_field32(&reg, XIFS_TIME_CFG_CCKM_SIFS_TIME, erp->sifs);
+	rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_SIFS_TIME, erp->sifs);
+	rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_XIFS_TIME, 4);
+	rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, erp->eifs);
+	rt2x00_set_field32(&reg, XIFS_TIME_CFG_BB_RXEND_ENABLE, 1);
+	rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
+
+	rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
+	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL,
+			   erp->beacon_int * 16);
+	rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+}
+EXPORT_SYMBOL_GPL(rt2800_config_erp);
+
+void rt2800_config_ant(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant)
+{
+	u8 r1;
+	u8 r3;
+
+	rt2800_bbp_read(rt2x00dev, 1, &r1);
+	rt2800_bbp_read(rt2x00dev, 3, &r3);
+
+	/*
+	 * Configure the TX antenna.
+	 */
+	switch ((int)ant->tx) {
+	case 1:
+		rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0);
+		if (rt2x00_intf_is_pci(rt2x00dev))
+			rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
+		break;
+	case 2:
+		rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2);
+		break;
+	case 3:
+		/* Do nothing */
+		break;
+	}
+
+	/*
+	 * Configure the RX antenna.
+	 */
+	switch ((int)ant->rx) {
+	case 1:
+		rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
+		break;
+	case 2:
+		rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 1);
+		break;
+	case 3:
+		rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 2);
+		break;
+	}
+
+	rt2800_bbp_write(rt2x00dev, 3, r3);
+	rt2800_bbp_write(rt2x00dev, 1, r1);
+}
+EXPORT_SYMBOL_GPL(rt2800_config_ant);
+
+static void rt2800_config_lna_gain(struct rt2x00_dev *rt2x00dev,
+				   struct rt2x00lib_conf *libconf)
+{
+	u16 eeprom;
+	short lna_gain;
+
+	if (libconf->rf.channel <= 14) {
+		rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
+		lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_BG);
+	} else if (libconf->rf.channel <= 64) {
+		rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
+		lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_A0);
+	} else if (libconf->rf.channel <= 128) {
+		rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &eeprom);
+		lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_LNA_A1);
+	} else {
+		rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &eeprom);
+		lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_LNA_A2);
+	}
+
+	rt2x00dev->lna_gain = lna_gain;
+}
+
+static void rt2800_config_channel_rt2x(struct rt2x00_dev *rt2x00dev,
+				       struct ieee80211_conf *conf,
+				       struct rf_channel *rf,
+				       struct channel_info *info)
+{
+	rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
+
+	if (rt2x00dev->default_ant.tx == 1)
+		rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_TX1, 1);
+
+	if (rt2x00dev->default_ant.rx == 1) {
+		rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX1, 1);
+		rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
+	} else if (rt2x00dev->default_ant.rx == 2)
+		rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
+
+	if (rf->channel > 14) {
+		/*
+		 * When TX power is below 0, we should increase it by 7 to
+		 * make it a positive value (Minumum value is -7).
+		 * However this means that values between 0 and 7 have
+		 * double meaning, and we should set a 7DBm boost flag.
+		 */
+		rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A_7DBM_BOOST,
+				   (info->tx_power1 >= 0));
+
+		if (info->tx_power1 < 0)
+			info->tx_power1 += 7;
+
+		rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A,
+				   TXPOWER_A_TO_DEV(info->tx_power1));
+
+		rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A_7DBM_BOOST,
+				   (info->tx_power2 >= 0));
+
+		if (info->tx_power2 < 0)
+			info->tx_power2 += 7;
+
+		rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A,
+				   TXPOWER_A_TO_DEV(info->tx_power2));
+	} else {
+		rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_G,
+				   TXPOWER_G_TO_DEV(info->tx_power1));
+		rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_G,
+				   TXPOWER_G_TO_DEV(info->tx_power2));
+	}
+
+	rt2x00_set_field32(&rf->rf4, RF4_HT40, conf_is_ht40(conf));
+
+	rt2800_rf_write(rt2x00dev, 1, rf->rf1);
+	rt2800_rf_write(rt2x00dev, 2, rf->rf2);
+	rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
+	rt2800_rf_write(rt2x00dev, 4, rf->rf4);
+
+	udelay(200);
+
+	rt2800_rf_write(rt2x00dev, 1, rf->rf1);
+	rt2800_rf_write(rt2x00dev, 2, rf->rf2);
+	rt2800_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
+	rt2800_rf_write(rt2x00dev, 4, rf->rf4);
+
+	udelay(200);
+
+	rt2800_rf_write(rt2x00dev, 1, rf->rf1);
+	rt2800_rf_write(rt2x00dev, 2, rf->rf2);
+	rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
+	rt2800_rf_write(rt2x00dev, 4, rf->rf4);
+}
+
+static void rt2800_config_channel_rt3x(struct rt2x00_dev *rt2x00dev,
+				       struct ieee80211_conf *conf,
+				       struct rf_channel *rf,
+				       struct channel_info *info)
+{
+	u8 rfcsr;
+
+	rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
+	rt2800_rfcsr_write(rt2x00dev, 2, rf->rf3);
+
+	rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
+	rt2x00_set_field8(&rfcsr, RFCSR6_R, rf->rf2);
+	rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
+
+	rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr);
+	rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
+			  TXPOWER_G_TO_DEV(info->tx_power1));
+	rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
+
+	rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
+	rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
+	rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
+
+	rt2800_rfcsr_write(rt2x00dev, 24,
+			      rt2x00dev->calibration[conf_is_ht40(conf)]);
+
+	rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
+	rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
+	rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
+}
+
+static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
+				  struct ieee80211_conf *conf,
+				  struct rf_channel *rf,
+				  struct channel_info *info)
+{
+	u32 reg;
+	unsigned int tx_pin;
+	u8 bbp;
+
+	if (rt2x00_rev(&rt2x00dev->chip) != RT3070_VERSION)
+		rt2800_config_channel_rt2x(rt2x00dev, conf, rf, info);
+	else
+		rt2800_config_channel_rt3x(rt2x00dev, conf, rf, info);
+
+	/*
+	 * Change BBP settings
+	 */
+	rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
+	rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
+	rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
+	rt2800_bbp_write(rt2x00dev, 86, 0);
+
+	if (rf->channel <= 14) {
+		if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) {
+			rt2800_bbp_write(rt2x00dev, 82, 0x62);
+			rt2800_bbp_write(rt2x00dev, 75, 0x46);
+		} else {
+			rt2800_bbp_write(rt2x00dev, 82, 0x84);
+			rt2800_bbp_write(rt2x00dev, 75, 0x50);
+		}
+	} else {
+		rt2800_bbp_write(rt2x00dev, 82, 0xf2);
+
+		if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags))
+			rt2800_bbp_write(rt2x00dev, 75, 0x46);
+		else
+			rt2800_bbp_write(rt2x00dev, 75, 0x50);
+	}
+
+	rt2800_register_read(rt2x00dev, TX_BAND_CFG, &reg);
+	rt2x00_set_field32(&reg, TX_BAND_CFG_HT40_PLUS, conf_is_ht40_plus(conf));
+	rt2x00_set_field32(&reg, TX_BAND_CFG_A, rf->channel > 14);
+	rt2x00_set_field32(&reg, TX_BAND_CFG_BG, rf->channel <= 14);
+	rt2800_register_write(rt2x00dev, TX_BAND_CFG, reg);
+
+	tx_pin = 0;
+
+	/* Turn on unused PA or LNA when not using 1T or 1R */
+	if (rt2x00dev->default_ant.tx != 1) {
+		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, 1);
+		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 1);
+	}
+
+	/* Turn on unused PA or LNA when not using 1T or 1R */
+	if (rt2x00dev->default_ant.rx != 1) {
+		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1);
+		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1);
+	}
+
+	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1);
+	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1);
+	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1);
+	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1);
+	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, rf->channel <= 14);
+	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, rf->channel > 14);
+
+	rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
+
+	rt2800_bbp_read(rt2x00dev, 4, &bbp);
+	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf));
+	rt2800_bbp_write(rt2x00dev, 4, bbp);
+
+	rt2800_bbp_read(rt2x00dev, 3, &bbp);
+	rt2x00_set_field8(&bbp, BBP3_HT40_PLUS, conf_is_ht40_plus(conf));
+	rt2800_bbp_write(rt2x00dev, 3, bbp);
+
+	if (rt2x00_rev(&rt2x00dev->chip) == RT2860C_VERSION) {
+		if (conf_is_ht40(conf)) {
+			rt2800_bbp_write(rt2x00dev, 69, 0x1a);
+			rt2800_bbp_write(rt2x00dev, 70, 0x0a);
+			rt2800_bbp_write(rt2x00dev, 73, 0x16);
+		} else {
+			rt2800_bbp_write(rt2x00dev, 69, 0x16);
+			rt2800_bbp_write(rt2x00dev, 70, 0x08);
+			rt2800_bbp_write(rt2x00dev, 73, 0x11);
+		}
+	}
+
+	msleep(1);
+}
+
+static void rt2800_config_txpower(struct rt2x00_dev *rt2x00dev,
+				  const int txpower)
+{
+	u32 reg;
+	u32 value = TXPOWER_G_TO_DEV(txpower);
+	u8 r1;
+
+	rt2800_bbp_read(rt2x00dev, 1, &r1);
+	rt2x00_set_field8(&reg, BBP1_TX_POWER, 0);
+	rt2800_bbp_write(rt2x00dev, 1, r1);
+
+	rt2800_register_read(rt2x00dev, TX_PWR_CFG_0, &reg);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_0_1MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_0_2MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_0_55MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_0_11MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_0_6MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_0_9MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_0_12MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_0_18MBS, value);
+	rt2800_register_write(rt2x00dev, TX_PWR_CFG_0, reg);
+
+	rt2800_register_read(rt2x00dev, TX_PWR_CFG_1, &reg);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_1_24MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_1_36MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_1_48MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_1_54MBS, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS0, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS1, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS2, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS3, value);
+	rt2800_register_write(rt2x00dev, TX_PWR_CFG_1, reg);
+
+	rt2800_register_read(rt2x00dev, TX_PWR_CFG_2, &reg);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS4, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS5, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS6, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS7, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS8, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS9, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS10, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS11, value);
+	rt2800_register_write(rt2x00dev, TX_PWR_CFG_2, reg);
+
+	rt2800_register_read(rt2x00dev, TX_PWR_CFG_3, &reg);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS12, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS13, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS14, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS15, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN1, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN2, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN3, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN4, value);
+	rt2800_register_write(rt2x00dev, TX_PWR_CFG_3, reg);
+
+	rt2800_register_read(rt2x00dev, TX_PWR_CFG_4, &reg);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN5, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN6, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN7, value);
+	rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN8, value);
+	rt2800_register_write(rt2x00dev, TX_PWR_CFG_4, reg);
+}
+
+static void rt2800_config_retry_limit(struct rt2x00_dev *rt2x00dev,
+				      struct rt2x00lib_conf *libconf)
+{
+	u32 reg;
+
+	rt2800_register_read(rt2x00dev, TX_RTY_CFG, &reg);
+	rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT,
+			   libconf->conf->short_frame_max_tx_count);
+	rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT,
+			   libconf->conf->long_frame_max_tx_count);
+	rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_THRE, 2000);
+	rt2x00_set_field32(&reg, TX_RTY_CFG_NON_AGG_RTY_MODE, 0);
+	rt2x00_set_field32(&reg, TX_RTY_CFG_AGG_RTY_MODE, 0);
+	rt2x00_set_field32(&reg, TX_RTY_CFG_TX_AUTO_FB_ENABLE, 1);
+	rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
+}
+
+static void rt2800_config_ps(struct rt2x00_dev *rt2x00dev,
+			     struct rt2x00lib_conf *libconf)
+{
+	enum dev_state state =
+	    (libconf->conf->flags & IEEE80211_CONF_PS) ?
+		STATE_SLEEP : STATE_AWAKE;
+	u32 reg;
+
+	if (state == STATE_SLEEP) {
+		rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0);
+
+		rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
+		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 5);
+		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE,
+				   libconf->conf->listen_interval - 1);
+		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 1);
+		rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
+
+		rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
+	} else {
+		rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
+
+		rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
+		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 0);
+		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, 0);
+		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 0);
+		rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
+	}
+}
+
+void rt2800_config(struct rt2x00_dev *rt2x00dev,
+		   struct rt2x00lib_conf *libconf,
+		   const unsigned int flags)
+{
+	/* Always recalculate LNA gain before changing configuration */
+	rt2800_config_lna_gain(rt2x00dev, libconf);
+
+	if (flags & IEEE80211_CONF_CHANGE_CHANNEL)
+		rt2800_config_channel(rt2x00dev, libconf->conf,
+				      &libconf->rf, &libconf->channel);
+	if (flags & IEEE80211_CONF_CHANGE_POWER)
+		rt2800_config_txpower(rt2x00dev, libconf->conf->power_level);
+	if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
+		rt2800_config_retry_limit(rt2x00dev, libconf);
+	if (flags & IEEE80211_CONF_CHANGE_PS)
+		rt2800_config_ps(rt2x00dev, libconf);
+}
+EXPORT_SYMBOL_GPL(rt2800_config);
+
+/*
+ * Link tuning
+ */
+void rt2800_link_stats(struct rt2x00_dev *rt2x00dev, struct link_qual *qual)
+{
+	u32 reg;
+
+	/*
+	 * Update FCS error count from register.
+	 */
+	rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
+	qual->rx_failed = rt2x00_get_field32(reg, RX_STA_CNT0_CRC_ERR);
+}
+EXPORT_SYMBOL_GPL(rt2800_link_stats);
+
+static u8 rt2800_get_default_vgc(struct rt2x00_dev *rt2x00dev)
+{
+	if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
+		if (rt2x00_intf_is_usb(rt2x00dev) &&
+		    rt2x00_rev(&rt2x00dev->chip) == RT3070_VERSION)
+			return 0x1c + (2 * rt2x00dev->lna_gain);
+		else
+			return 0x2e + rt2x00dev->lna_gain;
+	}
+
+	if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
+		return 0x32 + (rt2x00dev->lna_gain * 5) / 3;
+	else
+		return 0x3a + (rt2x00dev->lna_gain * 5) / 3;
+}
+
+static inline void rt2800_set_vgc(struct rt2x00_dev *rt2x00dev,
+				  struct link_qual *qual, u8 vgc_level)
+{
+	if (qual->vgc_level != vgc_level) {
+		rt2800_bbp_write(rt2x00dev, 66, vgc_level);
+		qual->vgc_level = vgc_level;
+		qual->vgc_level_reg = vgc_level;
+	}
+}
+
+void rt2800_reset_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual)
+{
+	rt2800_set_vgc(rt2x00dev, qual, rt2800_get_default_vgc(rt2x00dev));
+}
+EXPORT_SYMBOL_GPL(rt2800_reset_tuner);
+
+void rt2800_link_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual,
+		       const u32 count)
+{
+	if (rt2x00_rev(&rt2x00dev->chip) == RT2860C_VERSION)
+		return;
+
+	/*
+	 * When RSSI is better then -80 increase VGC level with 0x10
+	 */
+	rt2800_set_vgc(rt2x00dev, qual,
+		       rt2800_get_default_vgc(rt2x00dev) +
+		       ((qual->rssi > -80) * 0x10));
+}
+EXPORT_SYMBOL_GPL(rt2800_link_tuner);
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.h b/drivers/net/wireless/rt2x00/rt2800lib.h
index 40a7f72e87f..b07caba3781 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.h
+++ b/drivers/net/wireless/rt2x00/rt2800lib.h
@@ -110,4 +110,29 @@ void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
 			const u8 command, const u8 token,
 			const u8 arg0, const u8 arg1);
 
+extern const struct rt2x00debug rt2800_rt2x00debug;
+
+int rt2800_rfkill_poll(struct rt2x00_dev *rt2x00dev);
+void rt2800_init_led(struct rt2x00_dev *rt2x00dev,
+		     struct rt2x00_led *led, enum led_type type);
+int rt2800_config_shared_key(struct rt2x00_dev *rt2x00dev,
+			     struct rt2x00lib_crypto *crypto,
+			     struct ieee80211_key_conf *key);
+int rt2800_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
+			       struct rt2x00lib_crypto *crypto,
+			       struct ieee80211_key_conf *key);
+void rt2800_config_filter(struct rt2x00_dev *rt2x00dev,
+			  const unsigned int filter_flags);
+void rt2800_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf,
+			struct rt2x00intf_conf *conf, const unsigned int flags);
+void rt2800_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp);
+void rt2800_config_ant(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant);
+void rt2800_config(struct rt2x00_dev *rt2x00dev,
+		   struct rt2x00lib_conf *libconf,
+		   const unsigned int flags);
+void rt2800_link_stats(struct rt2x00_dev *rt2x00dev, struct link_qual *qual);
+void rt2800_reset_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual);
+void rt2800_link_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual,
+		       const u32 count);
+
 #endif /* RT2800LIB_H */
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 90ada5d014f..cbf8be3057e 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -187,830 +187,6 @@ static inline void rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
 }
 #endif /* CONFIG_RT2800PCI_PCI */
 
-#ifdef CONFIG_RT2X00_LIB_DEBUGFS
-static const struct rt2x00debug rt2800pci_rt2x00debug = {
-	.owner	= THIS_MODULE,
-	.csr	= {
-		.read		= rt2800_register_read,
-		.write		= rt2800_register_write,
-		.flags		= RT2X00DEBUGFS_OFFSET,
-		.word_base	= CSR_REG_BASE,
-		.word_size	= sizeof(u32),
-		.word_count	= CSR_REG_SIZE / sizeof(u32),
-	},
-	.eeprom	= {
-		.read		= rt2x00_eeprom_read,
-		.write		= rt2x00_eeprom_write,
-		.word_base	= EEPROM_BASE,
-		.word_size	= sizeof(u16),
-		.word_count	= EEPROM_SIZE / sizeof(u16),
-	},
-	.bbp	= {
-		.read		= rt2800_bbp_read,
-		.write		= rt2800_bbp_write,
-		.word_base	= BBP_BASE,
-		.word_size	= sizeof(u8),
-		.word_count	= BBP_SIZE / sizeof(u8),
-	},
-	.rf	= {
-		.read		= rt2x00_rf_read,
-		.write		= rt2800_rf_write,
-		.word_base	= RF_BASE,
-		.word_size	= sizeof(u32),
-		.word_count	= RF_SIZE / sizeof(u32),
-	},
-};
-#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
-
-static int rt2800pci_rfkill_poll(struct rt2x00_dev *rt2x00dev)
-{
-	u32 reg;
-
-	rt2800_register_read(rt2x00dev, GPIO_CTRL_CFG, &reg);
-	return rt2x00_get_field32(reg, GPIO_CTRL_CFG_BIT2);
-}
-
-#ifdef CONFIG_RT2X00_LIB_LEDS
-static void rt2800pci_brightness_set(struct led_classdev *led_cdev,
-				     enum led_brightness brightness)
-{
-	struct rt2x00_led *led =
-	    container_of(led_cdev, struct rt2x00_led, led_dev);
-	unsigned int enabled = brightness != LED_OFF;
-	unsigned int bg_mode =
-	    (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ);
-	unsigned int polarity =
-		rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
-				   EEPROM_FREQ_LED_POLARITY);
-	unsigned int ledmode =
-		rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
-				   EEPROM_FREQ_LED_MODE);
-
-	if (led->type == LED_TYPE_RADIO) {
-		rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
-				      enabled ? 0x20 : 0);
-	} else if (led->type == LED_TYPE_ASSOC) {
-		rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
-				      enabled ? (bg_mode ? 0x60 : 0xa0) : 0x20);
-	} else if (led->type == LED_TYPE_QUALITY) {
-		/*
-		 * The brightness is divided into 6 levels (0 - 5),
-		 * The specs tell us the following levels:
-		 *	0, 1 ,3, 7, 15, 31
-		 * to determine the level in a simple way we can simply
-		 * work with bitshifting:
-		 *	(1 << level) - 1
-		 */
-		rt2800_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff,
-				      (1 << brightness / (LED_FULL / 6)) - 1,
-				      polarity);
-	}
-}
-
-static int rt2800pci_blink_set(struct led_classdev *led_cdev,
-			       unsigned long *delay_on,
-			       unsigned long *delay_off)
-{
-	struct rt2x00_led *led =
-	    container_of(led_cdev, struct rt2x00_led, led_dev);
-	u32 reg;
-
-	rt2800_register_read(led->rt2x00dev, LED_CFG, &reg);
-	rt2x00_set_field32(&reg, LED_CFG_ON_PERIOD, *delay_on);
-	rt2x00_set_field32(&reg, LED_CFG_OFF_PERIOD, *delay_off);
-	rt2x00_set_field32(&reg, LED_CFG_SLOW_BLINK_PERIOD, 3);
-	rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE, 3);
-	rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, 12);
-	rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE, 3);
-	rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, 1);
-	rt2800_register_write(led->rt2x00dev, LED_CFG, reg);
-
-	return 0;
-}
-
-static void rt2800pci_init_led(struct rt2x00_dev *rt2x00dev,
-			       struct rt2x00_led *led,
-			       enum led_type type)
-{
-	led->rt2x00dev = rt2x00dev;
-	led->type = type;
-	led->led_dev.brightness_set = rt2800pci_brightness_set;
-	led->led_dev.blink_set = rt2800pci_blink_set;
-	led->flags = LED_INITIALIZED;
-}
-#endif /* CONFIG_RT2X00_LIB_LEDS */
-
-/*
- * Configuration handlers.
- */
-static void rt2800pci_config_wcid_attr(struct rt2x00_dev *rt2x00dev,
-				       struct rt2x00lib_crypto *crypto,
-				       struct ieee80211_key_conf *key)
-{
-	struct mac_wcid_entry wcid_entry;
-	struct mac_iveiv_entry iveiv_entry;
-	u32 offset;
-	u32 reg;
-
-	offset = MAC_WCID_ATTR_ENTRY(key->hw_key_idx);
-
-	rt2800_register_read(rt2x00dev, offset, &reg);
-	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_KEYTAB,
-			   !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE));
-	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER,
-			   (crypto->cmd == SET_KEY) * crypto->cipher);
-	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX,
-			   (crypto->cmd == SET_KEY) * crypto->bssidx);
-	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, crypto->cipher);
-	rt2800_register_write(rt2x00dev, offset, reg);
-
-	offset = MAC_IVEIV_ENTRY(key->hw_key_idx);
-
-	memset(&iveiv_entry, 0, sizeof(iveiv_entry));
-	if ((crypto->cipher == CIPHER_TKIP) ||
-	    (crypto->cipher == CIPHER_TKIP_NO_MIC) ||
-	    (crypto->cipher == CIPHER_AES))
-		iveiv_entry.iv[3] |= 0x20;
-	iveiv_entry.iv[3] |= key->keyidx << 6;
-	rt2800_register_multiwrite(rt2x00dev, offset,
-				      &iveiv_entry, sizeof(iveiv_entry));
-
-	offset = MAC_WCID_ENTRY(key->hw_key_idx);
-
-	memset(&wcid_entry, 0, sizeof(wcid_entry));
-	if (crypto->cmd == SET_KEY)
-		memcpy(&wcid_entry, crypto->address, ETH_ALEN);
-	rt2800_register_multiwrite(rt2x00dev, offset,
-				      &wcid_entry, sizeof(wcid_entry));
-}
-
-static int rt2800pci_config_shared_key(struct rt2x00_dev *rt2x00dev,
-				       struct rt2x00lib_crypto *crypto,
-				       struct ieee80211_key_conf *key)
-{
-	struct hw_key_entry key_entry;
-	struct rt2x00_field32 field;
-	u32 offset;
-	u32 reg;
-
-	if (crypto->cmd == SET_KEY) {
-		key->hw_key_idx = (4 * crypto->bssidx) + key->keyidx;
-
-		memcpy(key_entry.key, crypto->key,
-		       sizeof(key_entry.key));
-		memcpy(key_entry.tx_mic, crypto->tx_mic,
-		       sizeof(key_entry.tx_mic));
-		memcpy(key_entry.rx_mic, crypto->rx_mic,
-		       sizeof(key_entry.rx_mic));
-
-		offset = SHARED_KEY_ENTRY(key->hw_key_idx);
-		rt2800_register_multiwrite(rt2x00dev, offset,
-					      &key_entry, sizeof(key_entry));
-	}
-
-	/*
-	 * The cipher types are stored over multiple registers
-	 * starting with SHARED_KEY_MODE_BASE each word will have
-	 * 32 bits and contains the cipher types for 2 bssidx each.
-	 * Using the correct defines correctly will cause overhead,
-	 * so just calculate the correct offset.
-	 */
-	field.bit_offset = 4 * (key->hw_key_idx % 8);
-	field.bit_mask = 0x7 << field.bit_offset;
-
-	offset = SHARED_KEY_MODE_ENTRY(key->hw_key_idx / 8);
-
-	rt2800_register_read(rt2x00dev, offset, &reg);
-	rt2x00_set_field32(&reg, field,
-			   (crypto->cmd == SET_KEY) * crypto->cipher);
-	rt2800_register_write(rt2x00dev, offset, reg);
-
-	/*
-	 * Update WCID information
-	 */
-	rt2800pci_config_wcid_attr(rt2x00dev, crypto, key);
-
-	return 0;
-}
-
-static int rt2800pci_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
-					 struct rt2x00lib_crypto *crypto,
-					 struct ieee80211_key_conf *key)
-{
-	struct hw_key_entry key_entry;
-	u32 offset;
-
-	if (crypto->cmd == SET_KEY) {
-		/*
-		 * 1 pairwise key is possible per AID, this means that the AID
-		 * equals our hw_key_idx. Make sure the WCID starts _after_ the
-		 * last possible shared key entry.
-		 */
-		if (crypto->aid > (256 - 32))
-			return -ENOSPC;
-
-		key->hw_key_idx = 32 + crypto->aid;
-
-
-		memcpy(key_entry.key, crypto->key,
-		       sizeof(key_entry.key));
-		memcpy(key_entry.tx_mic, crypto->tx_mic,
-		       sizeof(key_entry.tx_mic));
-		memcpy(key_entry.rx_mic, crypto->rx_mic,
-		       sizeof(key_entry.rx_mic));
-
-		offset = PAIRWISE_KEY_ENTRY(key->hw_key_idx);
-		rt2800_register_multiwrite(rt2x00dev, offset,
-					      &key_entry, sizeof(key_entry));
-	}
-
-	/*
-	 * Update WCID information
-	 */
-	rt2800pci_config_wcid_attr(rt2x00dev, crypto, key);
-
-	return 0;
-}
-
-static void rt2800pci_config_filter(struct rt2x00_dev *rt2x00dev,
-				    const unsigned int filter_flags)
-{
-	u32 reg;
-
-	/*
-	 * Start configuration steps.
-	 * Note that the version error will always be dropped
-	 * and broadcast frames will always be accepted since
-	 * there is no filter for it at this time.
-	 */
-	rt2800_register_read(rt2x00dev, RX_FILTER_CFG, &reg);
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CRC_ERROR,
-			   !(filter_flags & FIF_FCSFAIL));
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PHY_ERROR,
-			   !(filter_flags & FIF_PLCPFAIL));
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_TO_ME,
-			   !(filter_flags & FIF_PROMISC_IN_BSS));
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_MY_BSSD, 0);
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_VER_ERROR, 1);
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_MULTICAST,
-			   !(filter_flags & FIF_ALLMULTI));
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BROADCAST, 0);
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_DUPLICATE, 1);
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END_ACK,
-			   !(filter_flags & FIF_CONTROL));
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END,
-			   !(filter_flags & FIF_CONTROL));
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_ACK,
-			   !(filter_flags & FIF_CONTROL));
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CTS,
-			   !(filter_flags & FIF_CONTROL));
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_RTS,
-			   !(filter_flags & FIF_CONTROL));
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PSPOLL,
-			   !(filter_flags & FIF_PSPOLL));
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BA, 1);
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BAR, 0);
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CNTL,
-			   !(filter_flags & FIF_CONTROL));
-	rt2800_register_write(rt2x00dev, RX_FILTER_CFG, reg);
-}
-
-static void rt2800pci_config_intf(struct rt2x00_dev *rt2x00dev,
-				  struct rt2x00_intf *intf,
-				  struct rt2x00intf_conf *conf,
-				  const unsigned int flags)
-{
-	unsigned int beacon_base;
-	u32 reg;
-
-	if (flags & CONFIG_UPDATE_TYPE) {
-		/*
-		 * Clear current synchronisation setup.
-		 * For the Beacon base registers we only need to clear
-		 * the first byte since that byte contains the VALID and OWNER
-		 * bits which (when set to 0) will invalidate the entire beacon.
-		 */
-		beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
-		rt2800_register_write(rt2x00dev, beacon_base, 0);
-
-		/*
-		 * Enable synchronisation.
-		 */
-		rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
-		rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
-		rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, conf->sync);
-		rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
-		rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
-	}
-
-	if (flags & CONFIG_UPDATE_MAC) {
-		reg = le32_to_cpu(conf->mac[1]);
-		rt2x00_set_field32(&reg, MAC_ADDR_DW1_UNICAST_TO_ME_MASK, 0xff);
-		conf->mac[1] = cpu_to_le32(reg);
-
-		rt2800_register_multiwrite(rt2x00dev, MAC_ADDR_DW0,
-					      conf->mac, sizeof(conf->mac));
-	}
-
-	if (flags & CONFIG_UPDATE_BSSID) {
-		reg = le32_to_cpu(conf->bssid[1]);
-		rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_ID_MASK, 0);
-		rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_BCN_NUM, 0);
-		conf->bssid[1] = cpu_to_le32(reg);
-
-		rt2800_register_multiwrite(rt2x00dev, MAC_BSSID_DW0,
-					      conf->bssid, sizeof(conf->bssid));
-	}
-}
-
-static void rt2800pci_config_erp(struct rt2x00_dev *rt2x00dev,
-				 struct rt2x00lib_erp *erp)
-{
-	u32 reg;
-
-	rt2800_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
-	rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_RX_ACK_TIMEOUT, 0x20);
-	rt2800_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
-	rt2x00_set_field32(&reg, AUTO_RSP_CFG_BAC_ACK_POLICY,
-			   !!erp->short_preamble);
-	rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE,
-			   !!erp->short_preamble);
-	rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
-	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL,
-			   erp->cts_protection ? 2 : 0);
-	rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
-
-	rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE,
-				 erp->basic_rates);
-	rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
-
-	rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
-	rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME, erp->slot_time);
-	rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_CC_DELAY_TIME, 2);
-	rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
-	rt2x00_set_field32(&reg, XIFS_TIME_CFG_CCKM_SIFS_TIME, erp->sifs);
-	rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_SIFS_TIME, erp->sifs);
-	rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_XIFS_TIME, 4);
-	rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, erp->eifs);
-	rt2x00_set_field32(&reg, XIFS_TIME_CFG_BB_RXEND_ENABLE, 1);
-	rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
-	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL,
-			   erp->beacon_int * 16);
-	rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
-}
-
-static void rt2800pci_config_ant(struct rt2x00_dev *rt2x00dev,
-				 struct antenna_setup *ant)
-{
-	u8 r1;
-	u8 r3;
-
-	rt2800_bbp_read(rt2x00dev, 1, &r1);
-	rt2800_bbp_read(rt2x00dev, 3, &r3);
-
-	/*
-	 * Configure the TX antenna.
-	 */
-	switch ((int)ant->tx) {
-	case 1:
-		rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0);
-		if (rt2x00_intf_is_pci(rt2x00dev))
-			rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
-		break;
-	case 2:
-		rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2);
-		break;
-	case 3:
-		/* Do nothing */
-		break;
-	}
-
-	/*
-	 * Configure the RX antenna.
-	 */
-	switch ((int)ant->rx) {
-	case 1:
-		rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
-		break;
-	case 2:
-		rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 1);
-		break;
-	case 3:
-		rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 2);
-		break;
-	}
-
-	rt2800_bbp_write(rt2x00dev, 3, r3);
-	rt2800_bbp_write(rt2x00dev, 1, r1);
-}
-
-static void rt2800pci_config_lna_gain(struct rt2x00_dev *rt2x00dev,
-				      struct rt2x00lib_conf *libconf)
-{
-	u16 eeprom;
-	short lna_gain;
-
-	if (libconf->rf.channel <= 14) {
-		rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
-		lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_BG);
-	} else if (libconf->rf.channel <= 64) {
-		rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
-		lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_A0);
-	} else if (libconf->rf.channel <= 128) {
-		rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &eeprom);
-		lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_LNA_A1);
-	} else {
-		rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &eeprom);
-		lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_LNA_A2);
-	}
-
-	rt2x00dev->lna_gain = lna_gain;
-}
-
-static void rt2800pci_config_channel_rt2x(struct rt2x00_dev *rt2x00dev,
-					  struct ieee80211_conf *conf,
-					  struct rf_channel *rf,
-					  struct channel_info *info)
-{
-	rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
-
-	if (rt2x00dev->default_ant.tx == 1)
-		rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_TX1, 1);
-
-	if (rt2x00dev->default_ant.rx == 1) {
-		rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX1, 1);
-		rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
-	} else if (rt2x00dev->default_ant.rx == 2)
-		rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
-
-	if (rf->channel > 14) {
-		/*
-		 * When TX power is below 0, we should increase it by 7 to
-		 * make it a positive value (Minumum value is -7).
-		 * However this means that values between 0 and 7 have
-		 * double meaning, and we should set a 7DBm boost flag.
-		 */
-		rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A_7DBM_BOOST,
-				   (info->tx_power1 >= 0));
-
-		if (info->tx_power1 < 0)
-			info->tx_power1 += 7;
-
-		rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A,
-				   TXPOWER_A_TO_DEV(info->tx_power1));
-
-		rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A_7DBM_BOOST,
-				   (info->tx_power2 >= 0));
-
-		if (info->tx_power2 < 0)
-			info->tx_power2 += 7;
-
-		rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A,
-				   TXPOWER_A_TO_DEV(info->tx_power2));
-	} else {
-		rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_G,
-				   TXPOWER_G_TO_DEV(info->tx_power1));
-		rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_G,
-				   TXPOWER_G_TO_DEV(info->tx_power2));
-	}
-
-	rt2x00_set_field32(&rf->rf4, RF4_HT40, conf_is_ht40(conf));
-
-	rt2800_rf_write(rt2x00dev, 1, rf->rf1);
-	rt2800_rf_write(rt2x00dev, 2, rf->rf2);
-	rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
-	rt2800_rf_write(rt2x00dev, 4, rf->rf4);
-
-	udelay(200);
-
-	rt2800_rf_write(rt2x00dev, 1, rf->rf1);
-	rt2800_rf_write(rt2x00dev, 2, rf->rf2);
-	rt2800_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
-	rt2800_rf_write(rt2x00dev, 4, rf->rf4);
-
-	udelay(200);
-
-	rt2800_rf_write(rt2x00dev, 1, rf->rf1);
-	rt2800_rf_write(rt2x00dev, 2, rf->rf2);
-	rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
-	rt2800_rf_write(rt2x00dev, 4, rf->rf4);
-}
-
-static void rt2800pci_config_channel_rt3x(struct rt2x00_dev *rt2x00dev,
-					  struct ieee80211_conf *conf,
-					  struct rf_channel *rf,
-					  struct channel_info *info)
-{
-	u8 rfcsr;
-
-	rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
-	rt2800_rfcsr_write(rt2x00dev, 2, rf->rf3);
-
-	rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
-	rt2x00_set_field8(&rfcsr, RFCSR6_R, rf->rf2);
-	rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
-
-	rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr);
-	rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
-			  TXPOWER_G_TO_DEV(info->tx_power1));
-	rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
-
-	rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
-	rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
-	rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
-
-	rt2800_rfcsr_write(rt2x00dev, 24,
-			      rt2x00dev->calibration[conf_is_ht40(conf)]);
-
-	rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
-	rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
-	rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
-}
-
-static void rt2800pci_config_channel(struct rt2x00_dev *rt2x00dev,
-				     struct ieee80211_conf *conf,
-				     struct rf_channel *rf,
-				     struct channel_info *info)
-{
-	u32 reg;
-	unsigned int tx_pin;
-	u8 bbp;
-
-	if (rt2x00_rev(&rt2x00dev->chip) != RT3070_VERSION)
-		rt2800pci_config_channel_rt2x(rt2x00dev, conf, rf, info);
-	else
-		rt2800pci_config_channel_rt3x(rt2x00dev, conf, rf, info);
-
-	/*
-	 * Change BBP settings
-	 */
-	rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
-	rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
-	rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
-	rt2800_bbp_write(rt2x00dev, 86, 0);
-
-	if (rf->channel <= 14) {
-		if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) {
-			rt2800_bbp_write(rt2x00dev, 82, 0x62);
-			rt2800_bbp_write(rt2x00dev, 75, 0x46);
-		} else {
-			rt2800_bbp_write(rt2x00dev, 82, 0x84);
-			rt2800_bbp_write(rt2x00dev, 75, 0x50);
-		}
-	} else {
-		rt2800_bbp_write(rt2x00dev, 82, 0xf2);
-
-		if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags))
-			rt2800_bbp_write(rt2x00dev, 75, 0x46);
-		else
-			rt2800_bbp_write(rt2x00dev, 75, 0x50);
-	}
-
-	rt2800_register_read(rt2x00dev, TX_BAND_CFG, &reg);
-	rt2x00_set_field32(&reg, TX_BAND_CFG_HT40_PLUS, conf_is_ht40_plus(conf));
-	rt2x00_set_field32(&reg, TX_BAND_CFG_A, rf->channel > 14);
-	rt2x00_set_field32(&reg, TX_BAND_CFG_BG, rf->channel <= 14);
-	rt2800_register_write(rt2x00dev, TX_BAND_CFG, reg);
-
-	tx_pin = 0;
-
-	/* Turn on unused PA or LNA when not using 1T or 1R */
-	if (rt2x00dev->default_ant.tx != 1) {
-		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, 1);
-		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 1);
-	}
-
-	/* Turn on unused PA or LNA when not using 1T or 1R */
-	if (rt2x00dev->default_ant.rx != 1) {
-		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1);
-		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1);
-	}
-
-	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1);
-	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1);
-	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1);
-	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1);
-	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, rf->channel <= 14);
-	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, rf->channel > 14);
-
-	rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
-
-	rt2800_bbp_read(rt2x00dev, 4, &bbp);
-	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf));
-	rt2800_bbp_write(rt2x00dev, 4, bbp);
-
-	rt2800_bbp_read(rt2x00dev, 3, &bbp);
-	rt2x00_set_field8(&bbp, BBP3_HT40_PLUS, conf_is_ht40_plus(conf));
-	rt2800_bbp_write(rt2x00dev, 3, bbp);
-
-	if (rt2x00_rev(&rt2x00dev->chip) == RT2860C_VERSION) {
-		if (conf_is_ht40(conf)) {
-			rt2800_bbp_write(rt2x00dev, 69, 0x1a);
-			rt2800_bbp_write(rt2x00dev, 70, 0x0a);
-			rt2800_bbp_write(rt2x00dev, 73, 0x16);
-		} else {
-			rt2800_bbp_write(rt2x00dev, 69, 0x16);
-			rt2800_bbp_write(rt2x00dev, 70, 0x08);
-			rt2800_bbp_write(rt2x00dev, 73, 0x11);
-		}
-	}
-
-	msleep(1);
-}
-
-static void rt2800pci_config_txpower(struct rt2x00_dev *rt2x00dev,
-				     const int txpower)
-{
-	u32 reg;
-	u32 value = TXPOWER_G_TO_DEV(txpower);
-	u8 r1;
-
-	rt2800_bbp_read(rt2x00dev, 1, &r1);
-	rt2x00_set_field8(&reg, BBP1_TX_POWER, 0);
-	rt2800_bbp_write(rt2x00dev, 1, r1);
-
-	rt2800_register_read(rt2x00dev, TX_PWR_CFG_0, &reg);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_0_1MBS, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_0_2MBS, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_0_55MBS, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_0_11MBS, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_0_6MBS, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_0_9MBS, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_0_12MBS, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_0_18MBS, value);
-	rt2800_register_write(rt2x00dev, TX_PWR_CFG_0, reg);
-
-	rt2800_register_read(rt2x00dev, TX_PWR_CFG_1, &reg);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_1_24MBS, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_1_36MBS, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_1_48MBS, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_1_54MBS, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS0, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS1, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS2, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS3, value);
-	rt2800_register_write(rt2x00dev, TX_PWR_CFG_1, reg);
-
-	rt2800_register_read(rt2x00dev, TX_PWR_CFG_2, &reg);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS4, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS5, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS6, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS7, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS8, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS9, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS10, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS11, value);
-	rt2800_register_write(rt2x00dev, TX_PWR_CFG_2, reg);
-
-	rt2800_register_read(rt2x00dev, TX_PWR_CFG_3, &reg);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS12, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS13, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS14, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS15, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN1, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN2, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN3, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN4, value);
-	rt2800_register_write(rt2x00dev, TX_PWR_CFG_3, reg);
-
-	rt2800_register_read(rt2x00dev, TX_PWR_CFG_4, &reg);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN5, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN6, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN7, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN8, value);
-	rt2800_register_write(rt2x00dev, TX_PWR_CFG_4, reg);
-}
-
-static void rt2800pci_config_retry_limit(struct rt2x00_dev *rt2x00dev,
-					 struct rt2x00lib_conf *libconf)
-{
-	u32 reg;
-
-	rt2800_register_read(rt2x00dev, TX_RTY_CFG, &reg);
-	rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT,
-			   libconf->conf->short_frame_max_tx_count);
-	rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT,
-			   libconf->conf->long_frame_max_tx_count);
-	rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_THRE, 2000);
-	rt2x00_set_field32(&reg, TX_RTY_CFG_NON_AGG_RTY_MODE, 0);
-	rt2x00_set_field32(&reg, TX_RTY_CFG_AGG_RTY_MODE, 0);
-	rt2x00_set_field32(&reg, TX_RTY_CFG_TX_AUTO_FB_ENABLE, 1);
-	rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
-}
-
-static void rt2800pci_config_ps(struct rt2x00_dev *rt2x00dev,
-				struct rt2x00lib_conf *libconf)
-{
-	enum dev_state state =
-	    (libconf->conf->flags & IEEE80211_CONF_PS) ?
-		STATE_SLEEP : STATE_AWAKE;
-	u32 reg;
-
-	if (state == STATE_SLEEP) {
-		rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0);
-
-		rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
-		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 5);
-		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE,
-				   libconf->conf->listen_interval - 1);
-		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 1);
-		rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
-
-		rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
-	} else {
-		rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
-
-		rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
-		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 0);
-		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, 0);
-		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 0);
-		rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
-	}
-}
-
-static void rt2800pci_config(struct rt2x00_dev *rt2x00dev,
-			     struct rt2x00lib_conf *libconf,
-			     const unsigned int flags)
-{
-	/* Always recalculate LNA gain before changing configuration */
-	rt2800pci_config_lna_gain(rt2x00dev, libconf);
-
-	if (flags & IEEE80211_CONF_CHANGE_CHANNEL)
-		rt2800pci_config_channel(rt2x00dev, libconf->conf,
-					 &libconf->rf, &libconf->channel);
-	if (flags & IEEE80211_CONF_CHANGE_POWER)
-		rt2800pci_config_txpower(rt2x00dev, libconf->conf->power_level);
-	if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
-		rt2800pci_config_retry_limit(rt2x00dev, libconf);
-	if (flags & IEEE80211_CONF_CHANGE_PS)
-		rt2800pci_config_ps(rt2x00dev, libconf);
-}
-
-/*
- * Link tuning
- */
-static void rt2800pci_link_stats(struct rt2x00_dev *rt2x00dev,
-				 struct link_qual *qual)
-{
-	u32 reg;
-
-	/*
-	 * Update FCS error count from register.
-	 */
-	rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
-	qual->rx_failed = rt2x00_get_field32(reg, RX_STA_CNT0_CRC_ERR);
-}
-
-static u8 rt2800pci_get_default_vgc(struct rt2x00_dev *rt2x00dev)
-{
-	if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ)
-		return 0x2e + rt2x00dev->lna_gain;
-
-	if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
-		return 0x32 + (rt2x00dev->lna_gain * 5) / 3;
-	else
-		return 0x3a + (rt2x00dev->lna_gain * 5) / 3;
-}
-
-static inline void rt2800pci_set_vgc(struct rt2x00_dev *rt2x00dev,
-				     struct link_qual *qual, u8 vgc_level)
-{
-	if (qual->vgc_level != vgc_level) {
-		rt2800_bbp_write(rt2x00dev, 66, vgc_level);
-		qual->vgc_level = vgc_level;
-		qual->vgc_level_reg = vgc_level;
-	}
-}
-
-static void rt2800pci_reset_tuner(struct rt2x00_dev *rt2x00dev,
-				  struct link_qual *qual)
-{
-	rt2800pci_set_vgc(rt2x00dev, qual,
-			  rt2800pci_get_default_vgc(rt2x00dev));
-}
-
-static void rt2800pci_link_tuner(struct rt2x00_dev *rt2x00dev,
-				 struct link_qual *qual, const u32 count)
-{
-	if (rt2x00_rev(&rt2x00dev->chip) == RT2860C_VERSION)
-		return;
-
-	/*
-	 * When RSSI is better then -80 increase VGC level with 0x10
-	 */
-	rt2800pci_set_vgc(rt2x00dev, qual,
-			  rt2800pci_get_default_vgc(rt2x00dev) +
-			  ((qual->rssi > -80) * 0x10));
-}
-
 /*
  * Firmware functions
  */
@@ -2575,9 +1751,9 @@ static int rt2800pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
 	 * Store led settings, for correct led behaviour.
 	 */
 #ifdef CONFIG_RT2X00_LIB_LEDS
-	rt2800pci_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
-	rt2800pci_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
-	rt2800pci_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY);
+	rt2800_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
+	rt2800_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
+	rt2800_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY);
 
 	rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &rt2x00dev->led_mcu_reg);
 #endif /* CONFIG_RT2X00_LIB_LEDS */
@@ -2994,23 +2170,23 @@ static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = {
 	.get_entry_state	= rt2800pci_get_entry_state,
 	.clear_entry		= rt2800pci_clear_entry,
 	.set_device_state	= rt2800pci_set_device_state,
-	.rfkill_poll		= rt2800pci_rfkill_poll,
-	.link_stats		= rt2800pci_link_stats,
-	.reset_tuner		= rt2800pci_reset_tuner,
-	.link_tuner		= rt2800pci_link_tuner,
+	.rfkill_poll		= rt2800_rfkill_poll,
+	.link_stats		= rt2800_link_stats,
+	.reset_tuner		= rt2800_reset_tuner,
+	.link_tuner		= rt2800_link_tuner,
 	.write_tx_desc		= rt2800pci_write_tx_desc,
 	.write_tx_data		= rt2x00pci_write_tx_data,
 	.write_beacon		= rt2800pci_write_beacon,
 	.kick_tx_queue		= rt2800pci_kick_tx_queue,
 	.kill_tx_queue		= rt2800pci_kill_tx_queue,
 	.fill_rxdone		= rt2800pci_fill_rxdone,
-	.config_shared_key	= rt2800pci_config_shared_key,
-	.config_pairwise_key	= rt2800pci_config_pairwise_key,
-	.config_filter		= rt2800pci_config_filter,
-	.config_intf		= rt2800pci_config_intf,
-	.config_erp		= rt2800pci_config_erp,
-	.config_ant		= rt2800pci_config_ant,
-	.config			= rt2800pci_config,
+	.config_shared_key	= rt2800_config_shared_key,
+	.config_pairwise_key	= rt2800_config_pairwise_key,
+	.config_filter		= rt2800_config_filter,
+	.config_intf		= rt2800_config_intf,
+	.config_erp		= rt2800_config_erp,
+	.config_ant		= rt2800_config_ant,
+	.config			= rt2800_config,
 };
 
 static const struct data_queue_desc rt2800pci_queue_rx = {
@@ -3047,7 +2223,7 @@ static const struct rt2x00_ops rt2800pci_ops = {
 	.lib		= &rt2800pci_rt2x00_ops,
 	.hw		= &rt2800pci_mac80211_ops,
 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
-	.debugfs	= &rt2800pci_rt2x00debug,
+	.debugfs	= &rt2800_rt2x00debug,
 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 };
 
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 6bd646a979a..365f66fe7c6 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -45,832 +45,6 @@ static int modparam_nohwcrypt = 1;
 module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
 
-#ifdef CONFIG_RT2X00_LIB_DEBUGFS
-static const struct rt2x00debug rt2800usb_rt2x00debug = {
-	.owner	= THIS_MODULE,
-	.csr	= {
-		.read		= rt2800_register_read,
-		.write		= rt2800_register_write,
-		.flags		= RT2X00DEBUGFS_OFFSET,
-		.word_base	= CSR_REG_BASE,
-		.word_size	= sizeof(u32),
-		.word_count	= CSR_REG_SIZE / sizeof(u32),
-	},
-	.eeprom	= {
-		.read		= rt2x00_eeprom_read,
-		.write		= rt2x00_eeprom_write,
-		.word_base	= EEPROM_BASE,
-		.word_size	= sizeof(u16),
-		.word_count	= EEPROM_SIZE / sizeof(u16),
-	},
-	.bbp	= {
-		.read		= rt2800_bbp_read,
-		.write		= rt2800_bbp_write,
-		.word_base	= BBP_BASE,
-		.word_size	= sizeof(u8),
-		.word_count	= BBP_SIZE / sizeof(u8),
-	},
-	.rf	= {
-		.read		= rt2x00_rf_read,
-		.write		= rt2800_rf_write,
-		.word_base	= RF_BASE,
-		.word_size	= sizeof(u32),
-		.word_count	= RF_SIZE / sizeof(u32),
-	},
-};
-#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
-
-static int rt2800usb_rfkill_poll(struct rt2x00_dev *rt2x00dev)
-{
-	u32 reg;
-
-	rt2800_register_read(rt2x00dev, GPIO_CTRL_CFG, &reg);
-	return rt2x00_get_field32(reg, GPIO_CTRL_CFG_BIT2);
-}
-
-#ifdef CONFIG_RT2X00_LIB_LEDS
-static void rt2800usb_brightness_set(struct led_classdev *led_cdev,
-				     enum led_brightness brightness)
-{
-	struct rt2x00_led *led =
-	    container_of(led_cdev, struct rt2x00_led, led_dev);
-	unsigned int enabled = brightness != LED_OFF;
-	unsigned int bg_mode =
-	    (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ);
-	unsigned int polarity =
-		rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
-				   EEPROM_FREQ_LED_POLARITY);
-	unsigned int ledmode =
-		rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
-				   EEPROM_FREQ_LED_MODE);
-
-	if (led->type == LED_TYPE_RADIO) {
-		rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
-				      enabled ? 0x20 : 0);
-	} else if (led->type == LED_TYPE_ASSOC) {
-		rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
-				      enabled ? (bg_mode ? 0x60 : 0xa0) : 0x20);
-	} else if (led->type == LED_TYPE_QUALITY) {
-		/*
-		 * The brightness is divided into 6 levels (0 - 5),
-		 * The specs tell us the following levels:
-		 *	0, 1 ,3, 7, 15, 31
-		 * to determine the level in a simple way we can simply
-		 * work with bitshifting:
-		 *	(1 << level) - 1
-		 */
-		rt2800_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff,
-				      (1 << brightness / (LED_FULL / 6)) - 1,
-				      polarity);
-	}
-}
-
-static int rt2800usb_blink_set(struct led_classdev *led_cdev,
-			       unsigned long *delay_on,
-			       unsigned long *delay_off)
-{
-	struct rt2x00_led *led =
-	    container_of(led_cdev, struct rt2x00_led, led_dev);
-	u32 reg;
-
-	rt2800_register_read(led->rt2x00dev, LED_CFG, &reg);
-	rt2x00_set_field32(&reg, LED_CFG_ON_PERIOD, *delay_on);
-	rt2x00_set_field32(&reg, LED_CFG_OFF_PERIOD, *delay_off);
-	rt2x00_set_field32(&reg, LED_CFG_SLOW_BLINK_PERIOD, 3);
-	rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE, 3);
-	rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, 12);
-	rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE, 3);
-	rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, 1);
-	rt2800_register_write(led->rt2x00dev, LED_CFG, reg);
-
-	return 0;
-}
-
-static void rt2800usb_init_led(struct rt2x00_dev *rt2x00dev,
-			       struct rt2x00_led *led,
-			       enum led_type type)
-{
-	led->rt2x00dev = rt2x00dev;
-	led->type = type;
-	led->led_dev.brightness_set = rt2800usb_brightness_set;
-	led->led_dev.blink_set = rt2800usb_blink_set;
-	led->flags = LED_INITIALIZED;
-}
-#endif /* CONFIG_RT2X00_LIB_LEDS */
-
-/*
- * Configuration handlers.
- */
-static void rt2800usb_config_wcid_attr(struct rt2x00_dev *rt2x00dev,
-				       struct rt2x00lib_crypto *crypto,
-				       struct ieee80211_key_conf *key)
-{
-	struct mac_wcid_entry wcid_entry;
-	struct mac_iveiv_entry iveiv_entry;
-	u32 offset;
-	u32 reg;
-
-	offset = MAC_WCID_ATTR_ENTRY(key->hw_key_idx);
-
-	rt2800_register_read(rt2x00dev, offset, &reg);
-	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_KEYTAB,
-			   !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE));
-	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER,
-			   (crypto->cmd == SET_KEY) * crypto->cipher);
-	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX,
-			   (crypto->cmd == SET_KEY) * crypto->bssidx);
-	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, crypto->cipher);
-	rt2800_register_write(rt2x00dev, offset, reg);
-
-	offset = MAC_IVEIV_ENTRY(key->hw_key_idx);
-
-	memset(&iveiv_entry, 0, sizeof(iveiv_entry));
-	if ((crypto->cipher == CIPHER_TKIP) ||
-	    (crypto->cipher == CIPHER_TKIP_NO_MIC) ||
-	    (crypto->cipher == CIPHER_AES))
-		iveiv_entry.iv[3] |= 0x20;
-	iveiv_entry.iv[3] |= key->keyidx << 6;
-	rt2800_register_multiwrite(rt2x00dev, offset,
-				      &iveiv_entry, sizeof(iveiv_entry));
-
-	offset = MAC_WCID_ENTRY(key->hw_key_idx);
-
-	memset(&wcid_entry, 0, sizeof(wcid_entry));
-	if (crypto->cmd == SET_KEY)
-		memcpy(&wcid_entry, crypto->address, ETH_ALEN);
-	rt2800_register_multiwrite(rt2x00dev, offset,
-				      &wcid_entry, sizeof(wcid_entry));
-}
-
-static int rt2800usb_config_shared_key(struct rt2x00_dev *rt2x00dev,
-				       struct rt2x00lib_crypto *crypto,
-				       struct ieee80211_key_conf *key)
-{
-	struct hw_key_entry key_entry;
-	struct rt2x00_field32 field;
-	u32 offset;
-	u32 reg;
-
-	if (crypto->cmd == SET_KEY) {
-		key->hw_key_idx = (4 * crypto->bssidx) + key->keyidx;
-
-		memcpy(key_entry.key, crypto->key,
-		       sizeof(key_entry.key));
-		memcpy(key_entry.tx_mic, crypto->tx_mic,
-		       sizeof(key_entry.tx_mic));
-		memcpy(key_entry.rx_mic, crypto->rx_mic,
-		       sizeof(key_entry.rx_mic));
-
-		offset = SHARED_KEY_ENTRY(key->hw_key_idx);
-		rt2800_register_multiwrite(rt2x00dev, offset,
-					      &key_entry, sizeof(key_entry));
-	}
-
-	/*
-	 * The cipher types are stored over multiple registers
-	 * starting with SHARED_KEY_MODE_BASE each word will have
-	 * 32 bits and contains the cipher types for 2 bssidx each.
-	 * Using the correct defines correctly will cause overhead,
-	 * so just calculate the correct offset.
-	 */
-	field.bit_offset = 4 * (key->hw_key_idx % 8);
-	field.bit_mask = 0x7 << field.bit_offset;
-
-	offset = SHARED_KEY_MODE_ENTRY(key->hw_key_idx / 8);
-
-	rt2800_register_read(rt2x00dev, offset, &reg);
-	rt2x00_set_field32(&reg, field,
-			   (crypto->cmd == SET_KEY) * crypto->cipher);
-	rt2800_register_write(rt2x00dev, offset, reg);
-
-	/*
-	 * Update WCID information
-	 */
-	rt2800usb_config_wcid_attr(rt2x00dev, crypto, key);
-
-	return 0;
-}
-
-static int rt2800usb_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
-					 struct rt2x00lib_crypto *crypto,
-					 struct ieee80211_key_conf *key)
-{
-	struct hw_key_entry key_entry;
-	u32 offset;
-
-	if (crypto->cmd == SET_KEY) {
-		/*
-		 * 1 pairwise key is possible per AID, this means that the AID
-		 * equals our hw_key_idx. Make sure the WCID starts _after_ the
-		 * last possible shared key entry.
-		 */
-		if (crypto->aid > (256 - 32))
-			return -ENOSPC;
-
-		key->hw_key_idx = 32 + crypto->aid;
-
-		memcpy(key_entry.key, crypto->key,
-		       sizeof(key_entry.key));
-		memcpy(key_entry.tx_mic, crypto->tx_mic,
-		       sizeof(key_entry.tx_mic));
-		memcpy(key_entry.rx_mic, crypto->rx_mic,
-		       sizeof(key_entry.rx_mic));
-
-		offset = PAIRWISE_KEY_ENTRY(key->hw_key_idx);
-		rt2800_register_multiwrite(rt2x00dev, offset,
-					      &key_entry, sizeof(key_entry));
-	}
-
-	/*
-	 * Update WCID information
-	 */
-	rt2800usb_config_wcid_attr(rt2x00dev, crypto, key);
-
-	return 0;
-}
-
-static void rt2800usb_config_filter(struct rt2x00_dev *rt2x00dev,
-				    const unsigned int filter_flags)
-{
-	u32 reg;
-
-	/*
-	 * Start configuration steps.
-	 * Note that the version error will always be dropped
-	 * and broadcast frames will always be accepted since
-	 * there is no filter for it at this time.
-	 */
-	rt2800_register_read(rt2x00dev, RX_FILTER_CFG, &reg);
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CRC_ERROR,
-			   !(filter_flags & FIF_FCSFAIL));
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PHY_ERROR,
-			   !(filter_flags & FIF_PLCPFAIL));
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_TO_ME,
-			   !(filter_flags & FIF_PROMISC_IN_BSS));
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_MY_BSSD, 0);
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_VER_ERROR, 1);
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_MULTICAST,
-			   !(filter_flags & FIF_ALLMULTI));
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BROADCAST, 0);
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_DUPLICATE, 1);
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END_ACK,
-			   !(filter_flags & FIF_CONTROL));
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END,
-			   !(filter_flags & FIF_CONTROL));
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_ACK,
-			   !(filter_flags & FIF_CONTROL));
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CTS,
-			   !(filter_flags & FIF_CONTROL));
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_RTS,
-			   !(filter_flags & FIF_CONTROL));
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PSPOLL,
-			   !(filter_flags & FIF_PSPOLL));
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BA, 1);
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BAR, 0);
-	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CNTL,
-			   !(filter_flags & FIF_CONTROL));
-	rt2800_register_write(rt2x00dev, RX_FILTER_CFG, reg);
-}
-
-static void rt2800usb_config_intf(struct rt2x00_dev *rt2x00dev,
-				  struct rt2x00_intf *intf,
-				  struct rt2x00intf_conf *conf,
-				  const unsigned int flags)
-{
-	unsigned int beacon_base;
-	u32 reg;
-
-	if (flags & CONFIG_UPDATE_TYPE) {
-		/*
-		 * Clear current synchronisation setup.
-		 * For the Beacon base registers we only need to clear
-		 * the first byte since that byte contains the VALID and OWNER
-		 * bits which (when set to 0) will invalidate the entire beacon.
-		 */
-		beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
-		rt2800_register_write(rt2x00dev, beacon_base, 0);
-
-		/*
-		 * Enable synchronisation.
-		 */
-		rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
-		rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
-		rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, conf->sync);
-		rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
-		rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
-	}
-
-	if (flags & CONFIG_UPDATE_MAC) {
-		reg = le32_to_cpu(conf->mac[1]);
-		rt2x00_set_field32(&reg, MAC_ADDR_DW1_UNICAST_TO_ME_MASK, 0xff);
-		conf->mac[1] = cpu_to_le32(reg);
-
-		rt2800_register_multiwrite(rt2x00dev, MAC_ADDR_DW0,
-					      conf->mac, sizeof(conf->mac));
-	}
-
-	if (flags & CONFIG_UPDATE_BSSID) {
-		reg = le32_to_cpu(conf->bssid[1]);
-		rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_ID_MASK, 0);
-		rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_BCN_NUM, 0);
-		conf->bssid[1] = cpu_to_le32(reg);
-
-		rt2800_register_multiwrite(rt2x00dev, MAC_BSSID_DW0,
-					      conf->bssid, sizeof(conf->bssid));
-	}
-}
-
-static void rt2800usb_config_erp(struct rt2x00_dev *rt2x00dev,
-				 struct rt2x00lib_erp *erp)
-{
-	u32 reg;
-
-	rt2800_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
-	rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_RX_ACK_TIMEOUT, 0x20);
-	rt2800_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
-	rt2x00_set_field32(&reg, AUTO_RSP_CFG_BAC_ACK_POLICY,
-			   !!erp->short_preamble);
-	rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE,
-			   !!erp->short_preamble);
-	rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
-	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL,
-			   erp->cts_protection ? 2 : 0);
-	rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
-
-	rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE,
-				 erp->basic_rates);
-	rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
-
-	rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
-	rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME, erp->slot_time);
-	rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_CC_DELAY_TIME, 2);
-	rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
-	rt2x00_set_field32(&reg, XIFS_TIME_CFG_CCKM_SIFS_TIME, erp->sifs);
-	rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_SIFS_TIME, erp->sifs);
-	rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_XIFS_TIME, 4);
-	rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, erp->eifs);
-	rt2x00_set_field32(&reg, XIFS_TIME_CFG_BB_RXEND_ENABLE, 1);
-	rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
-	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL,
-			   erp->beacon_int * 16);
-	rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
-}
-
-static void rt2800usb_config_ant(struct rt2x00_dev *rt2x00dev,
-				 struct antenna_setup *ant)
-{
-	u8 r1;
-	u8 r3;
-
-	rt2800_bbp_read(rt2x00dev, 1, &r1);
-	rt2800_bbp_read(rt2x00dev, 3, &r3);
-
-	/*
-	 * Configure the TX antenna.
-	 */
-	switch ((int)ant->tx) {
-	case 1:
-		rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0);
-		break;
-	case 2:
-		rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2);
-		break;
-	case 3:
-		/* Do nothing */
-		break;
-	}
-
-	/*
-	 * Configure the RX antenna.
-	 */
-	switch ((int)ant->rx) {
-	case 1:
-		rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
-		break;
-	case 2:
-		rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 1);
-		break;
-	case 3:
-		rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 2);
-		break;
-	}
-
-	rt2800_bbp_write(rt2x00dev, 3, r3);
-	rt2800_bbp_write(rt2x00dev, 1, r1);
-}
-
-static void rt2800usb_config_lna_gain(struct rt2x00_dev *rt2x00dev,
-				      struct rt2x00lib_conf *libconf)
-{
-	u16 eeprom;
-	short lna_gain;
-
-	if (libconf->rf.channel <= 14) {
-		rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
-		lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_BG);
-	} else if (libconf->rf.channel <= 64) {
-		rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
-		lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_A0);
-	} else if (libconf->rf.channel <= 128) {
-		rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &eeprom);
-		lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_LNA_A1);
-	} else {
-		rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &eeprom);
-		lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_LNA_A2);
-	}
-
-	rt2x00dev->lna_gain = lna_gain;
-}
-
-static void rt2800usb_config_channel_rt2x(struct rt2x00_dev *rt2x00dev,
-					  struct ieee80211_conf *conf,
-					  struct rf_channel *rf,
-					  struct channel_info *info)
-{
-	rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
-
-	if (rt2x00dev->default_ant.tx == 1)
-		rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_TX1, 1);
-
-	if (rt2x00dev->default_ant.rx == 1) {
-		rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX1, 1);
-		rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
-	} else if (rt2x00dev->default_ant.rx == 2)
-		rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
-
-	if (rf->channel > 14) {
-		/*
-		 * When TX power is below 0, we should increase it by 7 to
-		 * make it a positive value (Minumum value is -7).
-		 * However this means that values between 0 and 7 have
-		 * double meaning, and we should set a 7DBm boost flag.
-		 */
-		rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A_7DBM_BOOST,
-				   (info->tx_power1 >= 0));
-
-		if (info->tx_power1 < 0)
-			info->tx_power1 += 7;
-
-		rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A,
-				   TXPOWER_A_TO_DEV(info->tx_power1));
-
-		rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A_7DBM_BOOST,
-				   (info->tx_power2 >= 0));
-
-		if (info->tx_power2 < 0)
-			info->tx_power2 += 7;
-
-		rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A,
-				   TXPOWER_A_TO_DEV(info->tx_power2));
-	} else {
-		rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_G,
-				   TXPOWER_G_TO_DEV(info->tx_power1));
-		rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_G,
-				   TXPOWER_G_TO_DEV(info->tx_power2));
-	}
-
-	rt2x00_set_field32(&rf->rf4, RF4_HT40, conf_is_ht40(conf));
-
-	rt2800_rf_write(rt2x00dev, 1, rf->rf1);
-	rt2800_rf_write(rt2x00dev, 2, rf->rf2);
-	rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
-	rt2800_rf_write(rt2x00dev, 4, rf->rf4);
-
-	udelay(200);
-
-	rt2800_rf_write(rt2x00dev, 1, rf->rf1);
-	rt2800_rf_write(rt2x00dev, 2, rf->rf2);
-	rt2800_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
-	rt2800_rf_write(rt2x00dev, 4, rf->rf4);
-
-	udelay(200);
-
-	rt2800_rf_write(rt2x00dev, 1, rf->rf1);
-	rt2800_rf_write(rt2x00dev, 2, rf->rf2);
-	rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
-	rt2800_rf_write(rt2x00dev, 4, rf->rf4);
-}
-
-static void rt2800usb_config_channel_rt3x(struct rt2x00_dev *rt2x00dev,
-					  struct ieee80211_conf *conf,
-					  struct rf_channel *rf,
-					  struct channel_info *info)
-{
-	u8 rfcsr;
-
-	rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
-	rt2800_rfcsr_write(rt2x00dev, 2, rf->rf3);
-
-	rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
-	rt2x00_set_field8(&rfcsr, RFCSR6_R, rf->rf2);
-	rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
-
-	rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr);
-	rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
-			  TXPOWER_G_TO_DEV(info->tx_power1));
-	rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
-
-	rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
-	rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
-	rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
-
-	rt2800_rfcsr_write(rt2x00dev, 24,
-			      rt2x00dev->calibration[conf_is_ht40(conf)]);
-
-	rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
-	rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
-	rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
-}
-
-static void rt2800usb_config_channel(struct rt2x00_dev *rt2x00dev,
-				     struct ieee80211_conf *conf,
-				     struct rf_channel *rf,
-				     struct channel_info *info)
-{
-	u32 reg;
-	unsigned int tx_pin;
-	u8 bbp;
-
-	if (rt2x00_rev(&rt2x00dev->chip) != RT3070_VERSION)
-		rt2800usb_config_channel_rt2x(rt2x00dev, conf, rf, info);
-	else
-		rt2800usb_config_channel_rt3x(rt2x00dev, conf, rf, info);
-
-	/*
-	 * Change BBP settings
-	 */
-	rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
-	rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
-	rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
-	rt2800_bbp_write(rt2x00dev, 86, 0);
-
-	if (rf->channel <= 14) {
-		if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) {
-			rt2800_bbp_write(rt2x00dev, 82, 0x62);
-			rt2800_bbp_write(rt2x00dev, 75, 0x46);
-		} else {
-			rt2800_bbp_write(rt2x00dev, 82, 0x84);
-			rt2800_bbp_write(rt2x00dev, 75, 0x50);
-		}
-	} else {
-		rt2800_bbp_write(rt2x00dev, 82, 0xf2);
-
-		if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags))
-			rt2800_bbp_write(rt2x00dev, 75, 0x46);
-		else
-			rt2800_bbp_write(rt2x00dev, 75, 0x50);
-	}
-
-	rt2800_register_read(rt2x00dev, TX_BAND_CFG, &reg);
-	rt2x00_set_field32(&reg, TX_BAND_CFG_HT40_PLUS, conf_is_ht40_plus(conf));
-	rt2x00_set_field32(&reg, TX_BAND_CFG_A, rf->channel > 14);
-	rt2x00_set_field32(&reg, TX_BAND_CFG_BG, rf->channel <= 14);
-	rt2800_register_write(rt2x00dev, TX_BAND_CFG, reg);
-
-	tx_pin = 0;
-
-	/* Turn on unused PA or LNA when not using 1T or 1R */
-	if (rt2x00dev->default_ant.tx != 1) {
-		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, 1);
-		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 1);
-	}
-
-	/* Turn on unused PA or LNA when not using 1T or 1R */
-	if (rt2x00dev->default_ant.rx != 1) {
-		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1);
-		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1);
-	}
-
-	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1);
-	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1);
-	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1);
-	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1);
-	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, rf->channel <= 14);
-	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, rf->channel > 14);
-
-	rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
-
-	rt2800_bbp_read(rt2x00dev, 4, &bbp);
-	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf));
-	rt2800_bbp_write(rt2x00dev, 4, bbp);
-
-	rt2800_bbp_read(rt2x00dev, 3, &bbp);
-	rt2x00_set_field8(&bbp, BBP3_HT40_PLUS, conf_is_ht40_plus(conf));
-	rt2800_bbp_write(rt2x00dev, 3, bbp);
-
-	if (rt2x00_rev(&rt2x00dev->chip) == RT2860C_VERSION) {
-		if (conf_is_ht40(conf)) {
-			rt2800_bbp_write(rt2x00dev, 69, 0x1a);
-			rt2800_bbp_write(rt2x00dev, 70, 0x0a);
-			rt2800_bbp_write(rt2x00dev, 73, 0x16);
-		} else {
-			rt2800_bbp_write(rt2x00dev, 69, 0x16);
-			rt2800_bbp_write(rt2x00dev, 70, 0x08);
-			rt2800_bbp_write(rt2x00dev, 73, 0x11);
-		}
-	}
-
-	msleep(1);
-}
-
-static void rt2800usb_config_txpower(struct rt2x00_dev *rt2x00dev,
-				     const int txpower)
-{
-	u32 reg;
-	u32 value = TXPOWER_G_TO_DEV(txpower);
-	u8 r1;
-
-	rt2800_bbp_read(rt2x00dev, 1, &r1);
-	rt2x00_set_field8(&reg, BBP1_TX_POWER, 0);
-	rt2800_bbp_write(rt2x00dev, 1, r1);
-
-	rt2800_register_read(rt2x00dev, TX_PWR_CFG_0, &reg);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_0_1MBS, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_0_2MBS, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_0_55MBS, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_0_11MBS, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_0_6MBS, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_0_9MBS, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_0_12MBS, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_0_18MBS, value);
-	rt2800_register_write(rt2x00dev, TX_PWR_CFG_0, reg);
-
-	rt2800_register_read(rt2x00dev, TX_PWR_CFG_1, &reg);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_1_24MBS, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_1_36MBS, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_1_48MBS, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_1_54MBS, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS0, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS1, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS2, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS3, value);
-	rt2800_register_write(rt2x00dev, TX_PWR_CFG_1, reg);
-
-	rt2800_register_read(rt2x00dev, TX_PWR_CFG_2, &reg);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS4, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS5, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS6, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS7, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS8, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS9, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS10, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS11, value);
-	rt2800_register_write(rt2x00dev, TX_PWR_CFG_2, reg);
-
-	rt2800_register_read(rt2x00dev, TX_PWR_CFG_3, &reg);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS12, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS13, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS14, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS15, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN1, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN2, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN3, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN4, value);
-	rt2800_register_write(rt2x00dev, TX_PWR_CFG_3, reg);
-
-	rt2800_register_read(rt2x00dev, TX_PWR_CFG_4, &reg);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN5, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN6, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN7, value);
-	rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN8, value);
-	rt2800_register_write(rt2x00dev, TX_PWR_CFG_4, reg);
-}
-
-static void rt2800usb_config_retry_limit(struct rt2x00_dev *rt2x00dev,
-					 struct rt2x00lib_conf *libconf)
-{
-	u32 reg;
-
-	rt2800_register_read(rt2x00dev, TX_RTY_CFG, &reg);
-	rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT,
-			   libconf->conf->short_frame_max_tx_count);
-	rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT,
-			   libconf->conf->long_frame_max_tx_count);
-	rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_THRE, 2000);
-	rt2x00_set_field32(&reg, TX_RTY_CFG_NON_AGG_RTY_MODE, 0);
-	rt2x00_set_field32(&reg, TX_RTY_CFG_AGG_RTY_MODE, 0);
-	rt2x00_set_field32(&reg, TX_RTY_CFG_TX_AUTO_FB_ENABLE, 1);
-	rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
-}
-
-static void rt2800usb_config_ps(struct rt2x00_dev *rt2x00dev,
-				struct rt2x00lib_conf *libconf)
-{
-	enum dev_state state =
-	    (libconf->conf->flags & IEEE80211_CONF_PS) ?
-		STATE_SLEEP : STATE_AWAKE;
-	u32 reg;
-
-	if (state == STATE_SLEEP) {
-		rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0);
-
-		rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
-		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 5);
-		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE,
-				   libconf->conf->listen_interval - 1);
-		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 1);
-		rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
-
-		rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
-	} else {
-		rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
-
-		rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
-		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 0);
-		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, 0);
-		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 0);
-		rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
-	}
-}
-
-static void rt2800usb_config(struct rt2x00_dev *rt2x00dev,
-			     struct rt2x00lib_conf *libconf,
-			     const unsigned int flags)
-{
-	/* Always recalculate LNA gain before changing configuration */
-	rt2800usb_config_lna_gain(rt2x00dev, libconf);
-
-	if (flags & IEEE80211_CONF_CHANGE_CHANNEL)
-		rt2800usb_config_channel(rt2x00dev, libconf->conf,
-					 &libconf->rf, &libconf->channel);
-	if (flags & IEEE80211_CONF_CHANGE_POWER)
-		rt2800usb_config_txpower(rt2x00dev, libconf->conf->power_level);
-	if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
-		rt2800usb_config_retry_limit(rt2x00dev, libconf);
-	if (flags & IEEE80211_CONF_CHANGE_PS)
-		rt2800usb_config_ps(rt2x00dev, libconf);
-}
-
-/*
- * Link tuning
- */
-static void rt2800usb_link_stats(struct rt2x00_dev *rt2x00dev,
-				 struct link_qual *qual)
-{
-	u32 reg;
-
-	/*
-	 * Update FCS error count from register.
-	 */
-	rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
-	qual->rx_failed = rt2x00_get_field32(reg, RX_STA_CNT0_CRC_ERR);
-}
-
-static u8 rt2800usb_get_default_vgc(struct rt2x00_dev *rt2x00dev)
-{
-	if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
-		if (rt2x00_intf_is_usb(rt2x00dev) &&
-		    rt2x00_rev(&rt2x00dev->chip) == RT3070_VERSION)
-			return 0x1c + (2 * rt2x00dev->lna_gain);
-		else
-			return 0x2e + rt2x00dev->lna_gain;
-	}
-
-	if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
-		return 0x32 + (rt2x00dev->lna_gain * 5) / 3;
-	else
-		return 0x3a + (rt2x00dev->lna_gain * 5) / 3;
-}
-
-static inline void rt2800usb_set_vgc(struct rt2x00_dev *rt2x00dev,
-				     struct link_qual *qual, u8 vgc_level)
-{
-	if (qual->vgc_level != vgc_level) {
-		rt2800_bbp_write(rt2x00dev, 66, vgc_level);
-		qual->vgc_level = vgc_level;
-		qual->vgc_level_reg = vgc_level;
-	}
-}
-
-static void rt2800usb_reset_tuner(struct rt2x00_dev *rt2x00dev,
-				  struct link_qual *qual)
-{
-	rt2800usb_set_vgc(rt2x00dev, qual,
-			  rt2800usb_get_default_vgc(rt2x00dev));
-}
-
-static void rt2800usb_link_tuner(struct rt2x00_dev *rt2x00dev,
-				 struct link_qual *qual, const u32 count)
-{
-	if (rt2x00_rev(&rt2x00dev->chip) == RT2860C_VERSION)
-		return;
-
-	/*
-	 * When RSSI is better then -80 increase VGC level with 0x10
-	 */
-	rt2800usb_set_vgc(rt2x00dev, qual,
-			  rt2800usb_get_default_vgc(rt2x00dev) +
-			  ((qual->rssi > -80) * 0x10));
-}
-
 /*
  * Firmware functions
  */
@@ -2205,9 +1379,9 @@ static int rt2800usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
 	 * Store led settings, for correct led behaviour.
 	 */
 #ifdef CONFIG_RT2X00_LIB_LEDS
-	rt2800usb_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
-	rt2800usb_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
-	rt2800usb_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY);
+	rt2800_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
+	rt2800_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
+	rt2800_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY);
 
 	rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ,
 			   &rt2x00dev->led_mcu_reg);
@@ -2645,10 +1819,10 @@ static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
 	.uninitialize		= rt2x00usb_uninitialize,
 	.clear_entry		= rt2x00usb_clear_entry,
 	.set_device_state	= rt2800usb_set_device_state,
-	.rfkill_poll		= rt2800usb_rfkill_poll,
-	.link_stats		= rt2800usb_link_stats,
-	.reset_tuner		= rt2800usb_reset_tuner,
-	.link_tuner		= rt2800usb_link_tuner,
+	.rfkill_poll		= rt2800_rfkill_poll,
+	.link_stats		= rt2800_link_stats,
+	.reset_tuner		= rt2800_reset_tuner,
+	.link_tuner		= rt2800_link_tuner,
 	.write_tx_desc		= rt2800usb_write_tx_desc,
 	.write_tx_data		= rt2x00usb_write_tx_data,
 	.write_beacon		= rt2800usb_write_beacon,
@@ -2656,13 +1830,13 @@ static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
 	.kick_tx_queue		= rt2800usb_kick_tx_queue,
 	.kill_tx_queue		= rt2x00usb_kill_tx_queue,
 	.fill_rxdone		= rt2800usb_fill_rxdone,
-	.config_shared_key	= rt2800usb_config_shared_key,
-	.config_pairwise_key	= rt2800usb_config_pairwise_key,
-	.config_filter		= rt2800usb_config_filter,
-	.config_intf		= rt2800usb_config_intf,
-	.config_erp		= rt2800usb_config_erp,
-	.config_ant		= rt2800usb_config_ant,
-	.config			= rt2800usb_config,
+	.config_shared_key	= rt2800_config_shared_key,
+	.config_pairwise_key	= rt2800_config_pairwise_key,
+	.config_filter		= rt2800_config_filter,
+	.config_intf		= rt2800_config_intf,
+	.config_erp		= rt2800_config_erp,
+	.config_ant		= rt2800_config_ant,
+	.config			= rt2800_config,
 };
 
 static const struct data_queue_desc rt2800usb_queue_rx = {
@@ -2699,7 +1873,7 @@ static const struct rt2x00_ops rt2800usb_ops = {
 	.lib		= &rt2800usb_rt2x00_ops,
 	.hw		= &rt2800usb_mac80211_ops,
 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
-	.debugfs	= &rt2800usb_rt2x00debug,
+	.debugfs	= &rt2800_rt2x00debug,
 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 };
 
-- 
GitLab


From 1f285f1423e456cfa14331987782edeca64d8e70 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:36:50 +0100
Subject: [PATCH 0989/1815] rt2x00: move REGISTER_BUSY_* definitions to
 rt2x00.h

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2x00.h    | 9 +++++++++
 drivers/net/wireless/rt2x00/rt2x00pci.h | 9 ---------
 drivers/net/wireless/rt2x00/rt2x00usb.h | 6 ------
 3 files changed, 9 insertions(+), 15 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index 1ddda729a48..c83dbaefd57 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -856,6 +856,15 @@ struct rt2x00_dev {
 	void *priv;
 };
 
+/*
+ * Register defines.
+ * Some registers require multiple attempts before success,
+ * in those cases REGISTER_BUSY_COUNT attempts should be
+ * taken with a REGISTER_BUSY_DELAY interval.
+ */
+#define REGISTER_BUSY_COUNT	5
+#define REGISTER_BUSY_DELAY	100
+
 /*
  * Generic RF access.
  * The RF is being accessed by word index.
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.h b/drivers/net/wireless/rt2x00/rt2x00pci.h
index f5af4b40308..ae33eebe9a6 100644
--- a/drivers/net/wireless/rt2x00/rt2x00pci.h
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.h
@@ -34,15 +34,6 @@
  */
 #define PCI_DEVICE_DATA(__ops)	.driver_data = (kernel_ulong_t)(__ops)
 
-/*
- * Register defines.
- * Some registers require multiple attempts before success,
- * in those cases REGISTER_BUSY_COUNT attempts should be
- * taken with a REGISTER_BUSY_DELAY interval.
- */
-#define REGISTER_BUSY_COUNT	5
-#define REGISTER_BUSY_DELAY	100
-
 /*
  * Register access.
  */
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.h b/drivers/net/wireless/rt2x00/rt2x00usb.h
index 212dec47119..9943e428bc2 100644
--- a/drivers/net/wireless/rt2x00/rt2x00usb.h
+++ b/drivers/net/wireless/rt2x00/rt2x00usb.h
@@ -39,17 +39,11 @@
 #define USB_DEVICE_DATA(__ops)	.driver_info = (kernel_ulong_t)(__ops)
 
 /*
- * Register defines.
- * Some registers require multiple attempts before success,
- * in those cases REGISTER_BUSY_COUNT attempts should be
- * taken with a REGISTER_BUSY_DELAY interval.
  * For USB vendor requests we need to pass a timeout
  * time in ms, for this we use the REGISTER_TIMEOUT,
  * however when loading firmware a higher value is
  * required. In that case we use the REGISTER_TIMEOUT_FIRMWARE.
  */
-#define REGISTER_BUSY_COUNT		5
-#define REGISTER_BUSY_DELAY		100
 #define REGISTER_TIMEOUT		500
 #define REGISTER_TIMEOUT_FIRMWARE	1000
 
-- 
GitLab


From fcf5154118849cca3cdf424e83f863225d8173e7 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:36:57 +0100
Subject: [PATCH 0990/1815] rt2800: add rt2800lib (part three)

Code unification.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800lib.c | 614 +++++++++++++++++++++++-
 drivers/net/wireless/rt2x00/rt2800lib.h |  14 +-
 drivers/net/wireless/rt2x00/rt2800pci.c | 497 +------------------
 drivers/net/wireless/rt2x00/rt2800usb.c | 541 +--------------------
 4 files changed, 609 insertions(+), 1057 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index ba88d643edd..ddd53c02be7 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -31,8 +31,12 @@
 #include <linux/module.h>
 
 #include "rt2x00.h"
+#ifdef CONFIG_RT2800USB
+#include "rt2x00usb.h"
+#endif
 #include "rt2800lib.h"
 #include "rt2800.h"
+#include "rt2800usb.h"
 
 MODULE_AUTHOR("Bartlomiej Zolnierkiewicz");
 MODULE_DESCRIPTION("rt2800 library");
@@ -62,8 +66,8 @@ MODULE_LICENSE("GPL");
 	rt2800_regbusy_read((__dev), H2M_MAILBOX_CSR, \
 			    H2M_MAILBOX_CSR_OWNER, (__reg))
 
-void rt2800_bbp_write(struct rt2x00_dev *rt2x00dev,
-		      const unsigned int word, const u8 value)
+static void rt2800_bbp_write(struct rt2x00_dev *rt2x00dev,
+			     const unsigned int word, const u8 value)
 {
 	u32 reg;
 
@@ -87,10 +91,9 @@ void rt2800_bbp_write(struct rt2x00_dev *rt2x00dev,
 
 	mutex_unlock(&rt2x00dev->csr_mutex);
 }
-EXPORT_SYMBOL_GPL(rt2800_bbp_write);
 
-void rt2800_bbp_read(struct rt2x00_dev *rt2x00dev,
-		     const unsigned int word, u8 *value)
+static void rt2800_bbp_read(struct rt2x00_dev *rt2x00dev,
+			    const unsigned int word, u8 *value)
 {
 	u32 reg;
 
@@ -121,10 +124,9 @@ void rt2800_bbp_read(struct rt2x00_dev *rt2x00dev,
 
 	mutex_unlock(&rt2x00dev->csr_mutex);
 }
-EXPORT_SYMBOL_GPL(rt2800_bbp_read);
 
-void rt2800_rfcsr_write(struct rt2x00_dev *rt2x00dev,
-			const unsigned int word, const u8 value)
+static void rt2800_rfcsr_write(struct rt2x00_dev *rt2x00dev,
+			       const unsigned int word, const u8 value)
 {
 	u32 reg;
 
@@ -146,10 +148,9 @@ void rt2800_rfcsr_write(struct rt2x00_dev *rt2x00dev,
 
 	mutex_unlock(&rt2x00dev->csr_mutex);
 }
-EXPORT_SYMBOL_GPL(rt2800_rfcsr_write);
 
-void rt2800_rfcsr_read(struct rt2x00_dev *rt2x00dev,
-		       const unsigned int word, u8 *value)
+static void rt2800_rfcsr_read(struct rt2x00_dev *rt2x00dev,
+			      const unsigned int word, u8 *value)
 {
 	u32 reg;
 
@@ -178,10 +179,9 @@ void rt2800_rfcsr_read(struct rt2x00_dev *rt2x00dev,
 
 	mutex_unlock(&rt2x00dev->csr_mutex);
 }
-EXPORT_SYMBOL_GPL(rt2800_rfcsr_read);
 
-void rt2800_rf_write(struct rt2x00_dev *rt2x00dev,
-		     const unsigned int word, const u32 value)
+static void rt2800_rf_write(struct rt2x00_dev *rt2x00dev,
+			    const unsigned int word, const u32 value)
 {
 	u32 reg;
 
@@ -204,7 +204,6 @@ void rt2800_rf_write(struct rt2x00_dev *rt2x00dev,
 
 	mutex_unlock(&rt2x00dev->csr_mutex);
 }
-EXPORT_SYMBOL_GPL(rt2800_rf_write);
 
 void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
 			const u8 command, const u8 token,
@@ -1074,3 +1073,588 @@ void rt2800_link_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual,
 		       ((qual->rssi > -80) * 0x10));
 }
 EXPORT_SYMBOL_GPL(rt2800_link_tuner);
+
+/*
+ * Initialization functions.
+ */
+int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
+{
+	u32 reg;
+	unsigned int i;
+
+	if (rt2x00_intf_is_usb(rt2x00dev)) {
+		/*
+		 * Wait untill BBP and RF are ready.
+		 */
+		for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+			rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
+			if (reg && reg != ~0)
+				break;
+			msleep(1);
+		}
+
+		if (i == REGISTER_BUSY_COUNT) {
+			ERROR(rt2x00dev, "Unstable hardware.\n");
+			return -EBUSY;
+		}
+
+		rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
+		rt2800_register_write(rt2x00dev, PBF_SYS_CTRL,
+				      reg & ~0x00002000);
+	} else if (rt2x00_intf_is_pci(rt2x00dev))
+		rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
+
+	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
+	rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
+	rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
+	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
+
+	if (rt2x00_intf_is_usb(rt2x00dev)) {
+		rt2800_register_write(rt2x00dev, USB_DMA_CFG, 0x00000000);
+#ifdef CONFIG_RT2800USB
+		rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
+					    USB_MODE_RESET, REGISTER_TIMEOUT);
+#endif
+	}
+
+	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
+
+	rt2800_register_read(rt2x00dev, BCN_OFFSET0, &reg);
+	rt2x00_set_field32(&reg, BCN_OFFSET0_BCN0, 0xe0); /* 0x3800 */
+	rt2x00_set_field32(&reg, BCN_OFFSET0_BCN1, 0xe8); /* 0x3a00 */
+	rt2x00_set_field32(&reg, BCN_OFFSET0_BCN2, 0xf0); /* 0x3c00 */
+	rt2x00_set_field32(&reg, BCN_OFFSET0_BCN3, 0xf8); /* 0x3e00 */
+	rt2800_register_write(rt2x00dev, BCN_OFFSET0, reg);
+
+	rt2800_register_read(rt2x00dev, BCN_OFFSET1, &reg);
+	rt2x00_set_field32(&reg, BCN_OFFSET1_BCN4, 0xc8); /* 0x3200 */
+	rt2x00_set_field32(&reg, BCN_OFFSET1_BCN5, 0xd0); /* 0x3400 */
+	rt2x00_set_field32(&reg, BCN_OFFSET1_BCN6, 0x77); /* 0x1dc0 */
+	rt2x00_set_field32(&reg, BCN_OFFSET1_BCN7, 0x6f); /* 0x1bc0 */
+	rt2800_register_write(rt2x00dev, BCN_OFFSET1, reg);
+
+	rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0x0000013f);
+	rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
+
+	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
+
+	rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
+	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL, 0);
+	rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
+	rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, 0);
+	rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
+	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
+	rt2x00_set_field32(&reg, BCN_TIME_CFG_TX_TIME_COMPENSATE, 0);
+	rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+
+	if (rt2x00_intf_is_usb(rt2x00dev) &&
+	    rt2x00_rev(&rt2x00dev->chip) == RT3070_VERSION) {
+		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
+		rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
+		rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
+	} else {
+		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000);
+		rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
+	}
+
+	rt2800_register_read(rt2x00dev, TX_LINK_CFG, &reg);
+	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB_LIFETIME, 32);
+	rt2x00_set_field32(&reg, TX_LINK_CFG_MFB_ENABLE, 0);
+	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_UMFS_ENABLE, 0);
+	rt2x00_set_field32(&reg, TX_LINK_CFG_TX_MRQ_EN, 0);
+	rt2x00_set_field32(&reg, TX_LINK_CFG_TX_RDG_EN, 0);
+	rt2x00_set_field32(&reg, TX_LINK_CFG_TX_CF_ACK_EN, 1);
+	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB, 0);
+	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFS, 0);
+	rt2800_register_write(rt2x00dev, TX_LINK_CFG, reg);
+
+	rt2800_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
+	rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_MPDU_LIFETIME, 9);
+	rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_TX_OP_TIMEOUT, 10);
+	rt2800_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
+
+	rt2800_register_read(rt2x00dev, MAX_LEN_CFG, &reg);
+	rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_MPDU, AGGREGATION_SIZE);
+	if (rt2x00_rev(&rt2x00dev->chip) >= RT2880E_VERSION &&
+	    rt2x00_rev(&rt2x00dev->chip) < RT3070_VERSION)
+		rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 2);
+	else
+		rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 1);
+	rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_PSDU, 0);
+	rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_MPDU, 0);
+	rt2800_register_write(rt2x00dev, MAX_LEN_CFG, reg);
+
+	rt2800_register_write(rt2x00dev, PBF_MAX_PCNT, 0x1f3fbf9f);
+
+	rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
+	rt2x00_set_field32(&reg, AUTO_RSP_CFG_AUTORESPONDER, 1);
+	rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MMODE, 0);
+	rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MREF, 0);
+	rt2x00_set_field32(&reg, AUTO_RSP_CFG_DUAL_CTS_EN, 0);
+	rt2x00_set_field32(&reg, AUTO_RSP_CFG_ACK_CTS_PSM_BIT, 0);
+	rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
+
+	rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_RATE, 8);
+	rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_CTRL, 0);
+	rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_NAV, 1);
+	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_CCK, 1);
+	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
+	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM20, 1);
+	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM40, 1);
+	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF20, 1);
+	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF40, 1);
+	rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
+
+	rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_RATE, 8);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL, 0);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_NAV, 1);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_CCK, 1);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM20, 1);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM40, 1);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF20, 1);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF40, 1);
+	rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
+
+	rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_RATE, 0x4004);
+	rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_CTRL, 0);
+	rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_NAV, 1);
+	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
+	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
+	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
+	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
+	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
+	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
+	rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
+
+	rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_RATE, 0x4084);
+	rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_CTRL, 0);
+	rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_NAV, 1);
+	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
+	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
+	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
+	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
+	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
+	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
+	rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
+
+	rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_RATE, 0x4004);
+	rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_CTRL, 0);
+	rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_NAV, 1);
+	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
+	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
+	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
+	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
+	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
+	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
+	rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
+
+	rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_RATE, 0x4084);
+	rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_CTRL, 0);
+	rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_NAV, 1);
+	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
+	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
+	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
+	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
+	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
+	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
+	rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
+
+	if (rt2x00_intf_is_usb(rt2x00dev)) {
+		rt2800_register_write(rt2x00dev, PBF_CFG, 0xf40006);
+
+		rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
+		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
+		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
+		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
+		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
+		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 3);
+		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 0);
+		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_BIG_ENDIAN, 0);
+		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_HDR_SCATTER, 0);
+		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_HDR_SEG_LEN, 0);
+		rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
+	}
+
+	rt2800_register_write(rt2x00dev, TXOP_CTRL_CFG, 0x0000583f);
+	rt2800_register_write(rt2x00dev, TXOP_HLDR_ET, 0x00000002);
+
+	rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
+	rt2x00_set_field32(&reg, TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT, 32);
+	rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES,
+			   IEEE80211_MAX_RTS_THRESHOLD);
+	rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_FBK_EN, 0);
+	rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
+
+	rt2800_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca);
+	rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
+
+	/*
+	 * ASIC will keep garbage value after boot, clear encryption keys.
+	 */
+	for (i = 0; i < 4; i++)
+		rt2800_register_write(rt2x00dev,
+					 SHARED_KEY_MODE_ENTRY(i), 0);
+
+	for (i = 0; i < 256; i++) {
+		u32 wcid[2] = { 0xffffffff, 0x00ffffff };
+		rt2800_register_multiwrite(rt2x00dev, MAC_WCID_ENTRY(i),
+					      wcid, sizeof(wcid));
+
+		rt2800_register_write(rt2x00dev, MAC_WCID_ATTR_ENTRY(i), 1);
+		rt2800_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0);
+	}
+
+	/*
+	 * Clear all beacons
+	 * For the Beacon base registers we only need to clear
+	 * the first byte since that byte contains the VALID and OWNER
+	 * bits which (when set to 0) will invalidate the entire beacon.
+	 */
+	rt2800_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
+	rt2800_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
+	rt2800_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
+	rt2800_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
+	rt2800_register_write(rt2x00dev, HW_BEACON_BASE4, 0);
+	rt2800_register_write(rt2x00dev, HW_BEACON_BASE5, 0);
+	rt2800_register_write(rt2x00dev, HW_BEACON_BASE6, 0);
+	rt2800_register_write(rt2x00dev, HW_BEACON_BASE7, 0);
+
+	if (rt2x00_intf_is_usb(rt2x00dev)) {
+		rt2800_register_read(rt2x00dev, USB_CYC_CFG, &reg);
+		rt2x00_set_field32(&reg, USB_CYC_CFG_CLOCK_CYCLE, 30);
+		rt2800_register_write(rt2x00dev, USB_CYC_CFG, reg);
+	}
+
+	rt2800_register_read(rt2x00dev, HT_FBK_CFG0, &reg);
+	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS0FBK, 0);
+	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS1FBK, 0);
+	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS2FBK, 1);
+	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS3FBK, 2);
+	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS4FBK, 3);
+	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS5FBK, 4);
+	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS6FBK, 5);
+	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS7FBK, 6);
+	rt2800_register_write(rt2x00dev, HT_FBK_CFG0, reg);
+
+	rt2800_register_read(rt2x00dev, HT_FBK_CFG1, &reg);
+	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS8FBK, 8);
+	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS9FBK, 8);
+	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS10FBK, 9);
+	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS11FBK, 10);
+	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS12FBK, 11);
+	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS13FBK, 12);
+	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS14FBK, 13);
+	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS15FBK, 14);
+	rt2800_register_write(rt2x00dev, HT_FBK_CFG1, reg);
+
+	rt2800_register_read(rt2x00dev, LG_FBK_CFG0, &reg);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS0FBK, 8);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS1FBK, 8);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS2FBK, 9);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS3FBK, 10);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS4FBK, 11);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS5FBK, 12);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS6FBK, 13);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS7FBK, 14);
+	rt2800_register_write(rt2x00dev, LG_FBK_CFG0, reg);
+
+	rt2800_register_read(rt2x00dev, LG_FBK_CFG1, &reg);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS0FBK, 0);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS1FBK, 0);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS2FBK, 1);
+	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS3FBK, 2);
+	rt2800_register_write(rt2x00dev, LG_FBK_CFG1, reg);
+
+	/*
+	 * We must clear the error counters.
+	 * These registers are cleared on read,
+	 * so we may pass a useless variable to store the value.
+	 */
+	rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
+	rt2800_register_read(rt2x00dev, RX_STA_CNT1, &reg);
+	rt2800_register_read(rt2x00dev, RX_STA_CNT2, &reg);
+	rt2800_register_read(rt2x00dev, TX_STA_CNT0, &reg);
+	rt2800_register_read(rt2x00dev, TX_STA_CNT1, &reg);
+	rt2800_register_read(rt2x00dev, TX_STA_CNT2, &reg);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(rt2800_init_registers);
+
+static int rt2800_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev)
+{
+	unsigned int i;
+	u32 reg;
+
+	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+		rt2800_register_read(rt2x00dev, MAC_STATUS_CFG, &reg);
+		if (!rt2x00_get_field32(reg, MAC_STATUS_CFG_BBP_RF_BUSY))
+			return 0;
+
+		udelay(REGISTER_BUSY_DELAY);
+	}
+
+	ERROR(rt2x00dev, "BBP/RF register access failed, aborting.\n");
+	return -EACCES;
+}
+
+static int rt2800_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
+{
+	unsigned int i;
+	u8 value;
+
+	/*
+	 * BBP was enabled after firmware was loaded,
+	 * but we need to reactivate it now.
+	 */
+	rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
+	rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
+	msleep(1);
+
+	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+		rt2800_bbp_read(rt2x00dev, 0, &value);
+		if ((value != 0xff) && (value != 0x00))
+			return 0;
+		udelay(REGISTER_BUSY_DELAY);
+	}
+
+	ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
+	return -EACCES;
+}
+
+int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
+{
+	unsigned int i;
+	u16 eeprom;
+	u8 reg_id;
+	u8 value;
+
+	if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev) ||
+		     rt2800_wait_bbp_ready(rt2x00dev)))
+		return -EACCES;
+
+	rt2800_bbp_write(rt2x00dev, 65, 0x2c);
+	rt2800_bbp_write(rt2x00dev, 66, 0x38);
+	rt2800_bbp_write(rt2x00dev, 69, 0x12);
+	rt2800_bbp_write(rt2x00dev, 70, 0x0a);
+	rt2800_bbp_write(rt2x00dev, 73, 0x10);
+	rt2800_bbp_write(rt2x00dev, 81, 0x37);
+	rt2800_bbp_write(rt2x00dev, 82, 0x62);
+	rt2800_bbp_write(rt2x00dev, 83, 0x6a);
+	rt2800_bbp_write(rt2x00dev, 84, 0x99);
+	rt2800_bbp_write(rt2x00dev, 86, 0x00);
+	rt2800_bbp_write(rt2x00dev, 91, 0x04);
+	rt2800_bbp_write(rt2x00dev, 92, 0x00);
+	rt2800_bbp_write(rt2x00dev, 103, 0x00);
+	rt2800_bbp_write(rt2x00dev, 105, 0x05);
+
+	if (rt2x00_rev(&rt2x00dev->chip) == RT2860C_VERSION) {
+		rt2800_bbp_write(rt2x00dev, 69, 0x16);
+		rt2800_bbp_write(rt2x00dev, 73, 0x12);
+	}
+
+	if (rt2x00_rev(&rt2x00dev->chip) > RT2860D_VERSION)
+		rt2800_bbp_write(rt2x00dev, 84, 0x19);
+
+	if (rt2x00_intf_is_usb(rt2x00dev) &&
+	    rt2x00_rev(&rt2x00dev->chip) == RT3070_VERSION) {
+		rt2800_bbp_write(rt2x00dev, 70, 0x0a);
+		rt2800_bbp_write(rt2x00dev, 84, 0x99);
+		rt2800_bbp_write(rt2x00dev, 105, 0x05);
+	}
+
+	if (rt2x00_intf_is_pci(rt2x00dev) &&
+	    rt2x00_rt(&rt2x00dev->chip, RT3052)) {
+		rt2800_bbp_write(rt2x00dev, 31, 0x08);
+		rt2800_bbp_write(rt2x00dev, 78, 0x0e);
+		rt2800_bbp_write(rt2x00dev, 80, 0x08);
+	}
+
+	for (i = 0; i < EEPROM_BBP_SIZE; i++) {
+		rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
+
+		if (eeprom != 0xffff && eeprom != 0x0000) {
+			reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
+			value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
+			rt2800_bbp_write(rt2x00dev, reg_id, value);
+		}
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(rt2800_init_bbp);
+
+static u8 rt2800_init_rx_filter(struct rt2x00_dev *rt2x00dev,
+				bool bw40, u8 rfcsr24, u8 filter_target)
+{
+	unsigned int i;
+	u8 bbp;
+	u8 rfcsr;
+	u8 passband;
+	u8 stopband;
+	u8 overtuned = 0;
+
+	rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
+
+	rt2800_bbp_read(rt2x00dev, 4, &bbp);
+	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40);
+	rt2800_bbp_write(rt2x00dev, 4, bbp);
+
+	rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
+	rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1);
+	rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
+
+	/*
+	 * Set power & frequency of passband test tone
+	 */
+	rt2800_bbp_write(rt2x00dev, 24, 0);
+
+	for (i = 0; i < 100; i++) {
+		rt2800_bbp_write(rt2x00dev, 25, 0x90);
+		msleep(1);
+
+		rt2800_bbp_read(rt2x00dev, 55, &passband);
+		if (passband)
+			break;
+	}
+
+	/*
+	 * Set power & frequency of stopband test tone
+	 */
+	rt2800_bbp_write(rt2x00dev, 24, 0x06);
+
+	for (i = 0; i < 100; i++) {
+		rt2800_bbp_write(rt2x00dev, 25, 0x90);
+		msleep(1);
+
+		rt2800_bbp_read(rt2x00dev, 55, &stopband);
+
+		if ((passband - stopband) <= filter_target) {
+			rfcsr24++;
+			overtuned += ((passband - stopband) == filter_target);
+		} else
+			break;
+
+		rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
+	}
+
+	rfcsr24 -= !!overtuned;
+
+	rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
+	return rfcsr24;
+}
+
+int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
+{
+	u8 rfcsr;
+	u8 bbp;
+
+	if (rt2x00_intf_is_usb(rt2x00dev) &&
+	    rt2x00_rev(&rt2x00dev->chip) != RT3070_VERSION)
+		return 0;
+
+	if (rt2x00_intf_is_pci(rt2x00dev)) {
+		if (!rt2x00_rf(&rt2x00dev->chip, RF3020) &&
+		    !rt2x00_rf(&rt2x00dev->chip, RF3021) &&
+		    !rt2x00_rf(&rt2x00dev->chip, RF3022))
+			return 0;
+	}
+
+	/*
+	 * Init RF calibration.
+	 */
+	rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
+	rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
+	rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
+	msleep(1);
+	rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
+	rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
+
+	if (rt2x00_intf_is_usb(rt2x00dev)) {
+		rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
+		rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
+		rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
+		rt2800_rfcsr_write(rt2x00dev, 7, 0x70);
+		rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
+		rt2800_rfcsr_write(rt2x00dev, 10, 0x71);
+		rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
+		rt2800_rfcsr_write(rt2x00dev, 12, 0x7b);
+		rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
+		rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
+		rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
+		rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
+		rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
+		rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
+		rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
+		rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
+		rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
+		rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
+		rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
+		rt2800_rfcsr_write(rt2x00dev, 29, 0x1f);
+	} else if (rt2x00_intf_is_pci(rt2x00dev)) {
+		rt2800_rfcsr_write(rt2x00dev, 0, 0x50);
+		rt2800_rfcsr_write(rt2x00dev, 1, 0x01);
+		rt2800_rfcsr_write(rt2x00dev, 2, 0xf7);
+		rt2800_rfcsr_write(rt2x00dev, 3, 0x75);
+		rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
+		rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
+		rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
+		rt2800_rfcsr_write(rt2x00dev, 7, 0x50);
+		rt2800_rfcsr_write(rt2x00dev, 8, 0x39);
+		rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
+		rt2800_rfcsr_write(rt2x00dev, 10, 0x60);
+		rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
+		rt2800_rfcsr_write(rt2x00dev, 12, 0x75);
+		rt2800_rfcsr_write(rt2x00dev, 13, 0x75);
+		rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
+		rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
+		rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
+		rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
+		rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
+		rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
+		rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
+		rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
+		rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
+		rt2800_rfcsr_write(rt2x00dev, 23, 0x31);
+		rt2800_rfcsr_write(rt2x00dev, 24, 0x08);
+		rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
+		rt2800_rfcsr_write(rt2x00dev, 26, 0x25);
+		rt2800_rfcsr_write(rt2x00dev, 27, 0x23);
+		rt2800_rfcsr_write(rt2x00dev, 28, 0x13);
+		rt2800_rfcsr_write(rt2x00dev, 29, 0x83);
+	}
+
+	/*
+	 * Set RX Filter calibration for 20MHz and 40MHz
+	 */
+	rt2x00dev->calibration[0] =
+	    rt2800_init_rx_filter(rt2x00dev, false, 0x07, 0x16);
+	rt2x00dev->calibration[1] =
+	    rt2800_init_rx_filter(rt2x00dev, true, 0x27, 0x19);
+
+	/*
+	 * Set back to initial state
+	 */
+	rt2800_bbp_write(rt2x00dev, 24, 0);
+
+	rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
+	rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 0);
+	rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
+
+	/*
+	 * set BBP back to BW20
+	 */
+	rt2800_bbp_read(rt2x00dev, 4, &bbp);
+	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0);
+	rt2800_bbp_write(rt2x00dev, 4, bbp);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(rt2800_init_rfcsr);
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.h b/drivers/net/wireless/rt2x00/rt2800lib.h
index b07caba3781..2da8f79215f 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.h
+++ b/drivers/net/wireless/rt2x00/rt2800lib.h
@@ -96,16 +96,6 @@ static inline int rt2800_regbusy_read(struct rt2x00_dev *rt2x00dev,
 	return rt2800ops->regbusy_read(rt2x00dev, offset, field, reg);
 }
 
-void rt2800_bbp_write(struct rt2x00_dev *rt2x00dev,
-		      const unsigned int word, const u8 value);
-void rt2800_bbp_read(struct rt2x00_dev *rt2x00dev,
-		     const unsigned int word, u8 *value);
-void rt2800_rfcsr_write(struct rt2x00_dev *rt2x00dev,
-			const unsigned int word, const u8 value);
-void rt2800_rfcsr_read(struct rt2x00_dev *rt2x00dev,
-		       const unsigned int word, u8 *value);
-void rt2800_rf_write(struct rt2x00_dev *rt2x00dev,
-		     const unsigned int word, const u32 value);
 void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
 			const u8 command, const u8 token,
 			const u8 arg0, const u8 arg1);
@@ -135,4 +125,8 @@ void rt2800_reset_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual);
 void rt2800_link_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual,
 		       const u32 count);
 
+int rt2800_init_registers(struct rt2x00_dev *rt2x00dev);
+int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev);
+int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev);
+
 #endif /* RT2800LIB_H */
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index cbf8be3057e..78086cce55e 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -420,497 +420,6 @@ static int rt2800pci_init_queues(struct rt2x00_dev *rt2x00dev)
 	return 0;
 }
 
-static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev)
-{
-	u32 reg;
-	unsigned int i;
-
-	if (rt2x00_intf_is_pci(rt2x00dev))
-		rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
-
-	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
-	rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
-	rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
-	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
-
-	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
-
-	rt2800_register_read(rt2x00dev, BCN_OFFSET0, &reg);
-	rt2x00_set_field32(&reg, BCN_OFFSET0_BCN0, 0xe0); /* 0x3800 */
-	rt2x00_set_field32(&reg, BCN_OFFSET0_BCN1, 0xe8); /* 0x3a00 */
-	rt2x00_set_field32(&reg, BCN_OFFSET0_BCN2, 0xf0); /* 0x3c00 */
-	rt2x00_set_field32(&reg, BCN_OFFSET0_BCN3, 0xf8); /* 0x3e00 */
-	rt2800_register_write(rt2x00dev, BCN_OFFSET0, reg);
-
-	rt2800_register_read(rt2x00dev, BCN_OFFSET1, &reg);
-	rt2x00_set_field32(&reg, BCN_OFFSET1_BCN4, 0xc8); /* 0x3200 */
-	rt2x00_set_field32(&reg, BCN_OFFSET1_BCN5, 0xd0); /* 0x3400 */
-	rt2x00_set_field32(&reg, BCN_OFFSET1_BCN6, 0x77); /* 0x1dc0 */
-	rt2x00_set_field32(&reg, BCN_OFFSET1_BCN7, 0x6f); /* 0x1bc0 */
-	rt2800_register_write(rt2x00dev, BCN_OFFSET1, reg);
-
-	rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0x0000013f);
-	rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
-
-	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
-
-	rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
-	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL, 0);
-	rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
-	rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, 0);
-	rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
-	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
-	rt2x00_set_field32(&reg, BCN_TIME_CFG_TX_TIME_COMPENSATE, 0);
-	rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
-
-	rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000);
-	rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
-
-	rt2800_register_read(rt2x00dev, TX_LINK_CFG, &reg);
-	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB_LIFETIME, 32);
-	rt2x00_set_field32(&reg, TX_LINK_CFG_MFB_ENABLE, 0);
-	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_UMFS_ENABLE, 0);
-	rt2x00_set_field32(&reg, TX_LINK_CFG_TX_MRQ_EN, 0);
-	rt2x00_set_field32(&reg, TX_LINK_CFG_TX_RDG_EN, 0);
-	rt2x00_set_field32(&reg, TX_LINK_CFG_TX_CF_ACK_EN, 1);
-	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB, 0);
-	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFS, 0);
-	rt2800_register_write(rt2x00dev, TX_LINK_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
-	rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_MPDU_LIFETIME, 9);
-	rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_TX_OP_TIMEOUT, 10);
-	rt2800_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, MAX_LEN_CFG, &reg);
-	rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_MPDU, AGGREGATION_SIZE);
-	if (rt2x00_rev(&rt2x00dev->chip) >= RT2880E_VERSION &&
-	    rt2x00_rev(&rt2x00dev->chip) < RT3070_VERSION)
-		rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 2);
-	else
-		rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 1);
-	rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_PSDU, 0);
-	rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_MPDU, 0);
-	rt2800_register_write(rt2x00dev, MAX_LEN_CFG, reg);
-
-	rt2800_register_write(rt2x00dev, PBF_MAX_PCNT, 0x1f3fbf9f);
-
-	rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
-	rt2x00_set_field32(&reg, AUTO_RSP_CFG_AUTORESPONDER, 1);
-	rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MMODE, 0);
-	rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MREF, 0);
-	rt2x00_set_field32(&reg, AUTO_RSP_CFG_DUAL_CTS_EN, 0);
-	rt2x00_set_field32(&reg, AUTO_RSP_CFG_ACK_CTS_PSM_BIT, 0);
-	rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
-	rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_RATE, 8);
-	rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_CTRL, 0);
-	rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_NAV, 1);
-	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_CCK, 1);
-	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
-	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM20, 1);
-	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM40, 1);
-	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF20, 1);
-	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF40, 1);
-	rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
-	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_RATE, 8);
-	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL, 0);
-	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_NAV, 1);
-	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_CCK, 1);
-	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
-	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM20, 1);
-	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM40, 1);
-	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF20, 1);
-	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF40, 1);
-	rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
-	rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_RATE, 0x4004);
-	rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_CTRL, 0);
-	rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_NAV, 1);
-	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
-	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
-	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
-	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
-	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
-	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
-	rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
-	rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_RATE, 0x4084);
-	rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_CTRL, 0);
-	rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_NAV, 1);
-	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
-	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
-	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
-	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
-	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
-	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
-	rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
-	rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_RATE, 0x4004);
-	rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_CTRL, 0);
-	rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_NAV, 1);
-	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
-	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
-	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
-	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
-	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
-	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
-	rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
-	rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_RATE, 0x4084);
-	rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_CTRL, 0);
-	rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_NAV, 1);
-	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
-	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
-	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
-	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
-	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
-	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
-	rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
-
-	rt2800_register_write(rt2x00dev, TXOP_CTRL_CFG, 0x0000583f);
-	rt2800_register_write(rt2x00dev, TXOP_HLDR_ET, 0x00000002);
-
-	rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
-	rt2x00_set_field32(&reg, TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT, 32);
-	rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES,
-			   IEEE80211_MAX_RTS_THRESHOLD);
-	rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_FBK_EN, 0);
-	rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
-
-	rt2800_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca);
-	rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
-
-	/*
-	 * ASIC will keep garbage value after boot, clear encryption keys.
-	 */
-	for (i = 0; i < 4; i++)
-		rt2800_register_write(rt2x00dev,
-					 SHARED_KEY_MODE_ENTRY(i), 0);
-
-	for (i = 0; i < 256; i++) {
-		u32 wcid[2] = { 0xffffffff, 0x00ffffff };
-		rt2800_register_multiwrite(rt2x00dev, MAC_WCID_ENTRY(i),
-					      wcid, sizeof(wcid));
-
-		rt2800_register_write(rt2x00dev, MAC_WCID_ATTR_ENTRY(i), 1);
-		rt2800_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0);
-	}
-
-	/*
-	 * Clear all beacons
-	 * For the Beacon base registers we only need to clear
-	 * the first byte since that byte contains the VALID and OWNER
-	 * bits which (when set to 0) will invalidate the entire beacon.
-	 */
-	rt2800_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
-	rt2800_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
-	rt2800_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
-	rt2800_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
-	rt2800_register_write(rt2x00dev, HW_BEACON_BASE4, 0);
-	rt2800_register_write(rt2x00dev, HW_BEACON_BASE5, 0);
-	rt2800_register_write(rt2x00dev, HW_BEACON_BASE6, 0);
-	rt2800_register_write(rt2x00dev, HW_BEACON_BASE7, 0);
-
-	rt2800_register_read(rt2x00dev, HT_FBK_CFG0, &reg);
-	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS0FBK, 0);
-	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS1FBK, 0);
-	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS2FBK, 1);
-	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS3FBK, 2);
-	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS4FBK, 3);
-	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS5FBK, 4);
-	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS6FBK, 5);
-	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS7FBK, 6);
-	rt2800_register_write(rt2x00dev, HT_FBK_CFG0, reg);
-
-	rt2800_register_read(rt2x00dev, HT_FBK_CFG1, &reg);
-	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS8FBK, 8);
-	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS9FBK, 8);
-	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS10FBK, 9);
-	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS11FBK, 10);
-	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS12FBK, 11);
-	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS13FBK, 12);
-	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS14FBK, 13);
-	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS15FBK, 14);
-	rt2800_register_write(rt2x00dev, HT_FBK_CFG1, reg);
-
-	rt2800_register_read(rt2x00dev, LG_FBK_CFG0, &reg);
-	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS0FBK, 8);
-	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS1FBK, 8);
-	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS2FBK, 9);
-	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS3FBK, 10);
-	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS4FBK, 11);
-	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS5FBK, 12);
-	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS6FBK, 13);
-	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS7FBK, 14);
-	rt2800_register_write(rt2x00dev, LG_FBK_CFG0, reg);
-
-	rt2800_register_read(rt2x00dev, LG_FBK_CFG1, &reg);
-	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS0FBK, 0);
-	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS1FBK, 0);
-	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS2FBK, 1);
-	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS3FBK, 2);
-	rt2800_register_write(rt2x00dev, LG_FBK_CFG1, reg);
-
-	/*
-	 * We must clear the error counters.
-	 * These registers are cleared on read,
-	 * so we may pass a useless variable to store the value.
-	 */
-	rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
-	rt2800_register_read(rt2x00dev, RX_STA_CNT1, &reg);
-	rt2800_register_read(rt2x00dev, RX_STA_CNT2, &reg);
-	rt2800_register_read(rt2x00dev, TX_STA_CNT0, &reg);
-	rt2800_register_read(rt2x00dev, TX_STA_CNT1, &reg);
-	rt2800_register_read(rt2x00dev, TX_STA_CNT2, &reg);
-
-	return 0;
-}
-
-static int rt2800pci_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev)
-{
-	unsigned int i;
-	u32 reg;
-
-	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
-		rt2800_register_read(rt2x00dev, MAC_STATUS_CFG, &reg);
-		if (!rt2x00_get_field32(reg, MAC_STATUS_CFG_BBP_RF_BUSY))
-			return 0;
-
-		udelay(REGISTER_BUSY_DELAY);
-	}
-
-	ERROR(rt2x00dev, "BBP/RF register access failed, aborting.\n");
-	return -EACCES;
-}
-
-static int rt2800pci_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
-{
-	unsigned int i;
-	u8 value;
-
-	/*
-	 * BBP was enabled after firmware was loaded,
-	 * but we need to reactivate it now.
-	 */
-	rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
-	rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
-	msleep(1);
-
-	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
-		rt2800_bbp_read(rt2x00dev, 0, &value);
-		if ((value != 0xff) && (value != 0x00))
-			return 0;
-		udelay(REGISTER_BUSY_DELAY);
-	}
-
-	ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
-	return -EACCES;
-}
-
-static int rt2800pci_init_bbp(struct rt2x00_dev *rt2x00dev)
-{
-	unsigned int i;
-	u16 eeprom;
-	u8 reg_id;
-	u8 value;
-
-	if (unlikely(rt2800pci_wait_bbp_rf_ready(rt2x00dev) ||
-		     rt2800pci_wait_bbp_ready(rt2x00dev)))
-		return -EACCES;
-
-	rt2800_bbp_write(rt2x00dev, 65, 0x2c);
-	rt2800_bbp_write(rt2x00dev, 66, 0x38);
-	rt2800_bbp_write(rt2x00dev, 69, 0x12);
-	rt2800_bbp_write(rt2x00dev, 70, 0x0a);
-	rt2800_bbp_write(rt2x00dev, 73, 0x10);
-	rt2800_bbp_write(rt2x00dev, 81, 0x37);
-	rt2800_bbp_write(rt2x00dev, 82, 0x62);
-	rt2800_bbp_write(rt2x00dev, 83, 0x6a);
-	rt2800_bbp_write(rt2x00dev, 84, 0x99);
-	rt2800_bbp_write(rt2x00dev, 86, 0x00);
-	rt2800_bbp_write(rt2x00dev, 91, 0x04);
-	rt2800_bbp_write(rt2x00dev, 92, 0x00);
-	rt2800_bbp_write(rt2x00dev, 103, 0x00);
-	rt2800_bbp_write(rt2x00dev, 105, 0x05);
-
-	if (rt2x00_rev(&rt2x00dev->chip) == RT2860C_VERSION) {
-		rt2800_bbp_write(rt2x00dev, 69, 0x16);
-		rt2800_bbp_write(rt2x00dev, 73, 0x12);
-	}
-
-	if (rt2x00_rev(&rt2x00dev->chip) > RT2860D_VERSION)
-		rt2800_bbp_write(rt2x00dev, 84, 0x19);
-
-	if (rt2x00_intf_is_pci(rt2x00dev) &&
-	    rt2x00_rt(&rt2x00dev->chip, RT3052)) {
-		rt2800_bbp_write(rt2x00dev, 31, 0x08);
-		rt2800_bbp_write(rt2x00dev, 78, 0x0e);
-		rt2800_bbp_write(rt2x00dev, 80, 0x08);
-	}
-
-	for (i = 0; i < EEPROM_BBP_SIZE; i++) {
-		rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
-
-		if (eeprom != 0xffff && eeprom != 0x0000) {
-			reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
-			value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
-			rt2800_bbp_write(rt2x00dev, reg_id, value);
-		}
-	}
-
-	return 0;
-}
-
-static u8 rt2800pci_init_rx_filter(struct rt2x00_dev *rt2x00dev,
-				   bool bw40, u8 rfcsr24, u8 filter_target)
-{
-	unsigned int i;
-	u8 bbp;
-	u8 rfcsr;
-	u8 passband;
-	u8 stopband;
-	u8 overtuned = 0;
-
-	rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
-
-	rt2800_bbp_read(rt2x00dev, 4, &bbp);
-	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40);
-	rt2800_bbp_write(rt2x00dev, 4, bbp);
-
-	rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
-	rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1);
-	rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
-
-	/*
-	 * Set power & frequency of passband test tone
-	 */
-	rt2800_bbp_write(rt2x00dev, 24, 0);
-
-	for (i = 0; i < 100; i++) {
-		rt2800_bbp_write(rt2x00dev, 25, 0x90);
-		msleep(1);
-
-		rt2800_bbp_read(rt2x00dev, 55, &passband);
-		if (passband)
-			break;
-	}
-
-	/*
-	 * Set power & frequency of stopband test tone
-	 */
-	rt2800_bbp_write(rt2x00dev, 24, 0x06);
-
-	for (i = 0; i < 100; i++) {
-		rt2800_bbp_write(rt2x00dev, 25, 0x90);
-		msleep(1);
-
-		rt2800_bbp_read(rt2x00dev, 55, &stopband);
-
-		if ((passband - stopband) <= filter_target) {
-			rfcsr24++;
-			overtuned += ((passband - stopband) == filter_target);
-		} else
-			break;
-
-		rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
-	}
-
-	rfcsr24 -= !!overtuned;
-
-	rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
-	return rfcsr24;
-}
-
-static int rt2800pci_init_rfcsr(struct rt2x00_dev *rt2x00dev)
-{
-	u8 rfcsr;
-	u8 bbp;
-
-	if (rt2x00_intf_is_pci(rt2x00dev)) {
-		if (!rt2x00_rf(&rt2x00dev->chip, RF3020) &&
-		    !rt2x00_rf(&rt2x00dev->chip, RF3021) &&
-		    !rt2x00_rf(&rt2x00dev->chip, RF3022))
-			return 0;
-	}
-
-	/*
-	 * Init RF calibration.
-	 */
-	rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
-	rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
-	rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
-	msleep(1);
-	rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
-	rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
-
-	if (rt2x00_intf_is_pci(rt2x00dev)) {
-		rt2800_rfcsr_write(rt2x00dev, 0, 0x50);
-		rt2800_rfcsr_write(rt2x00dev, 1, 0x01);
-		rt2800_rfcsr_write(rt2x00dev, 2, 0xf7);
-		rt2800_rfcsr_write(rt2x00dev, 3, 0x75);
-		rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
-		rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
-		rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
-		rt2800_rfcsr_write(rt2x00dev, 7, 0x50);
-		rt2800_rfcsr_write(rt2x00dev, 8, 0x39);
-		rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
-		rt2800_rfcsr_write(rt2x00dev, 10, 0x60);
-		rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
-		rt2800_rfcsr_write(rt2x00dev, 12, 0x75);
-		rt2800_rfcsr_write(rt2x00dev, 13, 0x75);
-		rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
-		rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
-		rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
-		rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
-		rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
-		rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
-		rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
-		rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
-		rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
-		rt2800_rfcsr_write(rt2x00dev, 23, 0x31);
-		rt2800_rfcsr_write(rt2x00dev, 24, 0x08);
-		rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
-		rt2800_rfcsr_write(rt2x00dev, 26, 0x25);
-		rt2800_rfcsr_write(rt2x00dev, 27, 0x23);
-		rt2800_rfcsr_write(rt2x00dev, 28, 0x13);
-		rt2800_rfcsr_write(rt2x00dev, 29, 0x83);
-	}
-
-	/*
-	 * Set RX Filter calibration for 20MHz and 40MHz
-	 */
-	rt2x00dev->calibration[0] =
-	    rt2800pci_init_rx_filter(rt2x00dev, false, 0x07, 0x16);
-	rt2x00dev->calibration[1] =
-	    rt2800pci_init_rx_filter(rt2x00dev, true, 0x27, 0x19);
-
-	/*
-	 * Set back to initial state
-	 */
-	rt2800_bbp_write(rt2x00dev, 24, 0);
-
-	rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
-	rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 0);
-	rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
-
-	/*
-	 * set BBP back to BW20
-	 */
-	rt2800_bbp_read(rt2x00dev, 4, &bbp);
-	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0);
-	rt2800_bbp_write(rt2x00dev, 4, bbp);
-
-	return 0;
-}
-
 /*
  * Device state switch handlers.
  */
@@ -991,10 +500,10 @@ static int rt2800pci_enable_radio(struct rt2x00_dev *rt2x00dev)
 	 */
 	if (unlikely(rt2800pci_wait_wpdma_ready(rt2x00dev) ||
 		     rt2800pci_init_queues(rt2x00dev) ||
-		     rt2800pci_init_registers(rt2x00dev) ||
+		     rt2800_init_registers(rt2x00dev) ||
 		     rt2800pci_wait_wpdma_ready(rt2x00dev) ||
-		     rt2800pci_init_bbp(rt2x00dev) ||
-		     rt2800pci_init_rfcsr(rt2x00dev)))
+		     rt2800_init_bbp(rt2x00dev) ||
+		     rt2800_init_rfcsr(rt2x00dev)))
 		return -EIO;
 
 	/*
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 365f66fe7c6..f5b864b1a55 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -229,541 +229,6 @@ static int rt2800usb_load_firmware(struct rt2x00_dev *rt2x00dev,
 	return 0;
 }
 
-/*
- * Initialization functions.
- */
-static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
-{
-	u32 reg;
-	unsigned int i;
-
-	if (rt2x00_intf_is_usb(rt2x00dev)) {
-		/*
-		 * Wait untill BBP and RF are ready.
-		 */
-		for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
-			rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
-			if (reg && reg != ~0)
-				break;
-			msleep(1);
-		}
-
-		if (i == REGISTER_BUSY_COUNT) {
-			ERROR(rt2x00dev, "Unstable hardware.\n");
-			return -EBUSY;
-		}
-
-		rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
-		rt2800_register_write(rt2x00dev, PBF_SYS_CTRL,
-				      reg & ~0x00002000);
-	}
-
-	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
-	rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
-	rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
-	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
-
-	if (rt2x00_intf_is_usb(rt2x00dev)) {
-		rt2800_register_write(rt2x00dev, USB_DMA_CFG, 0x00000000);
-
-		rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
-					    USB_MODE_RESET, REGISTER_TIMEOUT);
-	}
-
-	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
-
-	rt2800_register_read(rt2x00dev, BCN_OFFSET0, &reg);
-	rt2x00_set_field32(&reg, BCN_OFFSET0_BCN0, 0xe0); /* 0x3800 */
-	rt2x00_set_field32(&reg, BCN_OFFSET0_BCN1, 0xe8); /* 0x3a00 */
-	rt2x00_set_field32(&reg, BCN_OFFSET0_BCN2, 0xf0); /* 0x3c00 */
-	rt2x00_set_field32(&reg, BCN_OFFSET0_BCN3, 0xf8); /* 0x3e00 */
-	rt2800_register_write(rt2x00dev, BCN_OFFSET0, reg);
-
-	rt2800_register_read(rt2x00dev, BCN_OFFSET1, &reg);
-	rt2x00_set_field32(&reg, BCN_OFFSET1_BCN4, 0xc8); /* 0x3200 */
-	rt2x00_set_field32(&reg, BCN_OFFSET1_BCN5, 0xd0); /* 0x3400 */
-	rt2x00_set_field32(&reg, BCN_OFFSET1_BCN6, 0x77); /* 0x1dc0 */
-	rt2x00_set_field32(&reg, BCN_OFFSET1_BCN7, 0x6f); /* 0x1bc0 */
-	rt2800_register_write(rt2x00dev, BCN_OFFSET1, reg);
-
-	rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0x0000013f);
-	rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
-
-	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
-
-	rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
-	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL, 0);
-	rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
-	rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, 0);
-	rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
-	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
-	rt2x00_set_field32(&reg, BCN_TIME_CFG_TX_TIME_COMPENSATE, 0);
-	rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
-
-	if (rt2x00_intf_is_usb(rt2x00dev) &&
-	    rt2x00_rev(&rt2x00dev->chip) == RT3070_VERSION) {
-		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
-		rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
-		rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
-	} else {
-		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000);
-		rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
-	}
-
-	rt2800_register_read(rt2x00dev, TX_LINK_CFG, &reg);
-	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB_LIFETIME, 32);
-	rt2x00_set_field32(&reg, TX_LINK_CFG_MFB_ENABLE, 0);
-	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_UMFS_ENABLE, 0);
-	rt2x00_set_field32(&reg, TX_LINK_CFG_TX_MRQ_EN, 0);
-	rt2x00_set_field32(&reg, TX_LINK_CFG_TX_RDG_EN, 0);
-	rt2x00_set_field32(&reg, TX_LINK_CFG_TX_CF_ACK_EN, 1);
-	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB, 0);
-	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFS, 0);
-	rt2800_register_write(rt2x00dev, TX_LINK_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
-	rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_MPDU_LIFETIME, 9);
-	rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_TX_OP_TIMEOUT, 10);
-	rt2800_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, MAX_LEN_CFG, &reg);
-	rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_MPDU, AGGREGATION_SIZE);
-	if (rt2x00_rev(&rt2x00dev->chip) >= RT2880E_VERSION &&
-	    rt2x00_rev(&rt2x00dev->chip) < RT3070_VERSION)
-		rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 2);
-	else
-		rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 1);
-	rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_PSDU, 0);
-	rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_MPDU, 0);
-	rt2800_register_write(rt2x00dev, MAX_LEN_CFG, reg);
-
-	rt2800_register_write(rt2x00dev, PBF_MAX_PCNT, 0x1f3fbf9f);
-
-	rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
-	rt2x00_set_field32(&reg, AUTO_RSP_CFG_AUTORESPONDER, 1);
-	rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MMODE, 0);
-	rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MREF, 0);
-	rt2x00_set_field32(&reg, AUTO_RSP_CFG_DUAL_CTS_EN, 0);
-	rt2x00_set_field32(&reg, AUTO_RSP_CFG_ACK_CTS_PSM_BIT, 0);
-	rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
-	rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_RATE, 8);
-	rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_CTRL, 0);
-	rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_NAV, 1);
-	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_CCK, 1);
-	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
-	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM20, 1);
-	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM40, 1);
-	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF20, 1);
-	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF40, 1);
-	rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
-	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_RATE, 8);
-	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL, 0);
-	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_NAV, 1);
-	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_CCK, 1);
-	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
-	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM20, 1);
-	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM40, 1);
-	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF20, 1);
-	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF40, 1);
-	rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
-	rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_RATE, 0x4004);
-	rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_CTRL, 0);
-	rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_NAV, 1);
-	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
-	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
-	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
-	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
-	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
-	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
-	rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
-	rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_RATE, 0x4084);
-	rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_CTRL, 0);
-	rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_NAV, 1);
-	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
-	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
-	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
-	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
-	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
-	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
-	rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
-	rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_RATE, 0x4004);
-	rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_CTRL, 0);
-	rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_NAV, 1);
-	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
-	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
-	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
-	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
-	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
-	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
-	rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
-	rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_RATE, 0x4084);
-	rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_CTRL, 0);
-	rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_NAV, 1);
-	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
-	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
-	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
-	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
-	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
-	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
-	rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
-
-	if (rt2x00_intf_is_usb(rt2x00dev)) {
-		rt2800_register_write(rt2x00dev, PBF_CFG, 0xf40006);
-
-		rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
-		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
-		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
-		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
-		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
-		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 3);
-		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 0);
-		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_BIG_ENDIAN, 0);
-		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_HDR_SCATTER, 0);
-		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_HDR_SEG_LEN, 0);
-		rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
-	}
-
-	rt2800_register_write(rt2x00dev, TXOP_CTRL_CFG, 0x0000583f);
-	rt2800_register_write(rt2x00dev, TXOP_HLDR_ET, 0x00000002);
-
-	rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
-	rt2x00_set_field32(&reg, TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT, 32);
-	rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES,
-			   IEEE80211_MAX_RTS_THRESHOLD);
-	rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_FBK_EN, 0);
-	rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
-
-	rt2800_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca);
-	rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
-
-	/*
-	 * ASIC will keep garbage value after boot, clear encryption keys.
-	 */
-	for (i = 0; i < 4; i++)
-		rt2800_register_write(rt2x00dev,
-					 SHARED_KEY_MODE_ENTRY(i), 0);
-
-	for (i = 0; i < 256; i++) {
-		u32 wcid[2] = { 0xffffffff, 0x00ffffff };
-		rt2800_register_multiwrite(rt2x00dev, MAC_WCID_ENTRY(i),
-					      wcid, sizeof(wcid));
-
-		rt2800_register_write(rt2x00dev, MAC_WCID_ATTR_ENTRY(i), 1);
-		rt2800_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0);
-	}
-
-	/*
-	 * Clear all beacons
-	 * For the Beacon base registers we only need to clear
-	 * the first byte since that byte contains the VALID and OWNER
-	 * bits which (when set to 0) will invalidate the entire beacon.
-	 */
-	rt2800_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
-	rt2800_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
-	rt2800_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
-	rt2800_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
-	rt2800_register_write(rt2x00dev, HW_BEACON_BASE4, 0);
-	rt2800_register_write(rt2x00dev, HW_BEACON_BASE5, 0);
-	rt2800_register_write(rt2x00dev, HW_BEACON_BASE6, 0);
-	rt2800_register_write(rt2x00dev, HW_BEACON_BASE7, 0);
-
-	if (rt2x00_intf_is_usb(rt2x00dev)) {
-		rt2800_register_read(rt2x00dev, USB_CYC_CFG, &reg);
-		rt2x00_set_field32(&reg, USB_CYC_CFG_CLOCK_CYCLE, 30);
-		rt2800_register_write(rt2x00dev, USB_CYC_CFG, reg);
-	}
-
-	rt2800_register_read(rt2x00dev, HT_FBK_CFG0, &reg);
-	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS0FBK, 0);
-	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS1FBK, 0);
-	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS2FBK, 1);
-	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS3FBK, 2);
-	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS4FBK, 3);
-	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS5FBK, 4);
-	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS6FBK, 5);
-	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS7FBK, 6);
-	rt2800_register_write(rt2x00dev, HT_FBK_CFG0, reg);
-
-	rt2800_register_read(rt2x00dev, HT_FBK_CFG1, &reg);
-	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS8FBK, 8);
-	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS9FBK, 8);
-	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS10FBK, 9);
-	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS11FBK, 10);
-	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS12FBK, 11);
-	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS13FBK, 12);
-	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS14FBK, 13);
-	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS15FBK, 14);
-	rt2800_register_write(rt2x00dev, HT_FBK_CFG1, reg);
-
-	rt2800_register_read(rt2x00dev, LG_FBK_CFG0, &reg);
-	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS0FBK, 8);
-	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS1FBK, 8);
-	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS2FBK, 9);
-	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS3FBK, 10);
-	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS4FBK, 11);
-	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS5FBK, 12);
-	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS6FBK, 13);
-	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS7FBK, 14);
-	rt2800_register_write(rt2x00dev, LG_FBK_CFG0, reg);
-
-	rt2800_register_read(rt2x00dev, LG_FBK_CFG1, &reg);
-	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS0FBK, 0);
-	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS1FBK, 0);
-	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS2FBK, 1);
-	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS3FBK, 2);
-	rt2800_register_write(rt2x00dev, LG_FBK_CFG1, reg);
-
-	/*
-	 * We must clear the error counters.
-	 * These registers are cleared on read,
-	 * so we may pass a useless variable to store the value.
-	 */
-	rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
-	rt2800_register_read(rt2x00dev, RX_STA_CNT1, &reg);
-	rt2800_register_read(rt2x00dev, RX_STA_CNT2, &reg);
-	rt2800_register_read(rt2x00dev, TX_STA_CNT0, &reg);
-	rt2800_register_read(rt2x00dev, TX_STA_CNT1, &reg);
-	rt2800_register_read(rt2x00dev, TX_STA_CNT2, &reg);
-
-	return 0;
-}
-
-static int rt2800usb_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev)
-{
-	unsigned int i;
-	u32 reg;
-
-	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
-		rt2800_register_read(rt2x00dev, MAC_STATUS_CFG, &reg);
-		if (!rt2x00_get_field32(reg, MAC_STATUS_CFG_BBP_RF_BUSY))
-			return 0;
-
-		udelay(REGISTER_BUSY_DELAY);
-	}
-
-	ERROR(rt2x00dev, "BBP/RF register access failed, aborting.\n");
-	return -EACCES;
-}
-
-static int rt2800usb_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
-{
-	unsigned int i;
-	u8 value;
-
-	/*
-	 * BBP was enabled after firmware was loaded,
-	 * but we need to reactivate it now.
-	 */
-	rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
-	rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
-	msleep(1);
-
-	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
-		rt2800_bbp_read(rt2x00dev, 0, &value);
-		if ((value != 0xff) && (value != 0x00))
-			return 0;
-		udelay(REGISTER_BUSY_DELAY);
-	}
-
-	ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
-	return -EACCES;
-}
-
-static int rt2800usb_init_bbp(struct rt2x00_dev *rt2x00dev)
-{
-	unsigned int i;
-	u16 eeprom;
-	u8 reg_id;
-	u8 value;
-
-	if (unlikely(rt2800usb_wait_bbp_rf_ready(rt2x00dev) ||
-		     rt2800usb_wait_bbp_ready(rt2x00dev)))
-		return -EACCES;
-
-	rt2800_bbp_write(rt2x00dev, 65, 0x2c);
-	rt2800_bbp_write(rt2x00dev, 66, 0x38);
-	rt2800_bbp_write(rt2x00dev, 69, 0x12);
-	rt2800_bbp_write(rt2x00dev, 70, 0x0a);
-	rt2800_bbp_write(rt2x00dev, 73, 0x10);
-	rt2800_bbp_write(rt2x00dev, 81, 0x37);
-	rt2800_bbp_write(rt2x00dev, 82, 0x62);
-	rt2800_bbp_write(rt2x00dev, 83, 0x6a);
-	rt2800_bbp_write(rt2x00dev, 84, 0x99);
-	rt2800_bbp_write(rt2x00dev, 86, 0x00);
-	rt2800_bbp_write(rt2x00dev, 91, 0x04);
-	rt2800_bbp_write(rt2x00dev, 92, 0x00);
-	rt2800_bbp_write(rt2x00dev, 103, 0x00);
-	rt2800_bbp_write(rt2x00dev, 105, 0x05);
-
-	if (rt2x00_rev(&rt2x00dev->chip) == RT2860C_VERSION) {
-		rt2800_bbp_write(rt2x00dev, 69, 0x16);
-		rt2800_bbp_write(rt2x00dev, 73, 0x12);
-	}
-
-	if (rt2x00_rev(&rt2x00dev->chip) > RT2860D_VERSION)
-		rt2800_bbp_write(rt2x00dev, 84, 0x19);
-
-	if (rt2x00_intf_is_usb(rt2x00dev) &&
-	    rt2x00_rev(&rt2x00dev->chip) == RT3070_VERSION) {
-		rt2800_bbp_write(rt2x00dev, 70, 0x0a);
-		rt2800_bbp_write(rt2x00dev, 84, 0x99);
-		rt2800_bbp_write(rt2x00dev, 105, 0x05);
-	}
-
-	for (i = 0; i < EEPROM_BBP_SIZE; i++) {
-		rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
-
-		if (eeprom != 0xffff && eeprom != 0x0000) {
-			reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
-			value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
-			rt2800_bbp_write(rt2x00dev, reg_id, value);
-		}
-	}
-
-	return 0;
-}
-
-static u8 rt2800usb_init_rx_filter(struct rt2x00_dev *rt2x00dev,
-				   bool bw40, u8 rfcsr24, u8 filter_target)
-{
-	unsigned int i;
-	u8 bbp;
-	u8 rfcsr;
-	u8 passband;
-	u8 stopband;
-	u8 overtuned = 0;
-
-	rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
-
-	rt2800_bbp_read(rt2x00dev, 4, &bbp);
-	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40);
-	rt2800_bbp_write(rt2x00dev, 4, bbp);
-
-	rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
-	rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1);
-	rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
-
-	/*
-	 * Set power & frequency of passband test tone
-	 */
-	rt2800_bbp_write(rt2x00dev, 24, 0);
-
-	for (i = 0; i < 100; i++) {
-		rt2800_bbp_write(rt2x00dev, 25, 0x90);
-		msleep(1);
-
-		rt2800_bbp_read(rt2x00dev, 55, &passband);
-		if (passband)
-			break;
-	}
-
-	/*
-	 * Set power & frequency of stopband test tone
-	 */
-	rt2800_bbp_write(rt2x00dev, 24, 0x06);
-
-	for (i = 0; i < 100; i++) {
-		rt2800_bbp_write(rt2x00dev, 25, 0x90);
-		msleep(1);
-
-		rt2800_bbp_read(rt2x00dev, 55, &stopband);
-
-		if ((passband - stopband) <= filter_target) {
-			rfcsr24++;
-			overtuned += ((passband - stopband) == filter_target);
-		} else
-			break;
-
-		rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
-	}
-
-	rfcsr24 -= !!overtuned;
-
-	rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
-	return rfcsr24;
-}
-
-static int rt2800usb_init_rfcsr(struct rt2x00_dev *rt2x00dev)
-{
-	u8 rfcsr;
-	u8 bbp;
-
-	if (rt2x00_intf_is_usb(rt2x00dev) &&
-	    rt2x00_rev(&rt2x00dev->chip) != RT3070_VERSION)
-		return 0;
-
-	/*
-	 * Init RF calibration.
-	 */
-	rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
-	rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
-	rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
-	msleep(1);
-	rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
-	rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
-
-	if (rt2x00_intf_is_usb(rt2x00dev)) {
-		rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
-		rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
-		rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
-		rt2800_rfcsr_write(rt2x00dev, 7, 0x70);
-		rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
-		rt2800_rfcsr_write(rt2x00dev, 10, 0x71);
-		rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
-		rt2800_rfcsr_write(rt2x00dev, 12, 0x7b);
-		rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
-		rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
-		rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
-		rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
-		rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
-		rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
-		rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
-		rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
-		rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
-		rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
-		rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
-		rt2800_rfcsr_write(rt2x00dev, 29, 0x1f);
-	}
-
-	/*
-	 * Set RX Filter calibration for 20MHz and 40MHz
-	 */
-	rt2x00dev->calibration[0] =
-	    rt2800usb_init_rx_filter(rt2x00dev, false, 0x07, 0x16);
-	rt2x00dev->calibration[1] =
-	    rt2800usb_init_rx_filter(rt2x00dev, true, 0x27, 0x19);
-
-	/*
-	 * Set back to initial state
-	 */
-	rt2800_bbp_write(rt2x00dev, 24, 0);
-
-	rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
-	rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 0);
-	rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
-
-	/*
-	 * set BBP back to BW20
-	 */
-	rt2800_bbp_read(rt2x00dev, 4, &bbp);
-	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0);
-	rt2800_bbp_write(rt2x00dev, 4, bbp);
-
-	return 0;
-}
-
 /*
  * Device state switch handlers.
  */
@@ -806,9 +271,9 @@ static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
 	 * Initialize all registers.
 	 */
 	if (unlikely(rt2800usb_wait_wpdma_ready(rt2x00dev) ||
-		     rt2800usb_init_registers(rt2x00dev) ||
-		     rt2800usb_init_bbp(rt2x00dev) ||
-		     rt2800usb_init_rfcsr(rt2x00dev)))
+		     rt2800_init_registers(rt2x00dev) ||
+		     rt2800_init_bbp(rt2x00dev) ||
+		     rt2800_init_rfcsr(rt2x00dev)))
 		return -EIO;
 
 	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
-- 
GitLab


From 2ce33995216a088fc11e1f85768375580324174c Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 4 Nov 2009 18:37:05 +0100
Subject: [PATCH 0991/1815] rt2800: add rt2800lib (part four)

Code unification.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800lib.c | 157 +++++++++++++++++++++++
 drivers/net/wireless/rt2x00/rt2800lib.h |   2 +
 drivers/net/wireless/rt2x00/rt2800pci.c | 157 +----------------------
 drivers/net/wireless/rt2x00/rt2800usb.c | 158 +-----------------------
 4 files changed, 161 insertions(+), 313 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index ddd53c02be7..5c7d74a6f16 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -1658,3 +1658,160 @@ int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
 	return 0;
 }
 EXPORT_SYMBOL_GPL(rt2800_init_rfcsr);
+
+/*
+ * IEEE80211 stack callback functions.
+ */
+static void rt2800_get_tkip_seq(struct ieee80211_hw *hw, u8 hw_key_idx,
+				u32 *iv32, u16 *iv16)
+{
+	struct rt2x00_dev *rt2x00dev = hw->priv;
+	struct mac_iveiv_entry iveiv_entry;
+	u32 offset;
+
+	offset = MAC_IVEIV_ENTRY(hw_key_idx);
+	rt2800_register_multiread(rt2x00dev, offset,
+				      &iveiv_entry, sizeof(iveiv_entry));
+
+	memcpy(&iveiv_entry.iv[0], iv16, sizeof(iv16));
+	memcpy(&iveiv_entry.iv[4], iv32, sizeof(iv32));
+}
+
+static int rt2800_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
+{
+	struct rt2x00_dev *rt2x00dev = hw->priv;
+	u32 reg;
+	bool enabled = (value < IEEE80211_MAX_RTS_THRESHOLD);
+
+	rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
+	rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES, value);
+	rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
+
+	rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, enabled);
+	rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
+
+	rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, enabled);
+	rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
+
+	rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, enabled);
+	rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
+
+	rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, enabled);
+	rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
+
+	rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, enabled);
+	rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
+
+	rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
+	rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, enabled);
+	rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
+
+	return 0;
+}
+
+static int rt2800_conf_tx(struct ieee80211_hw *hw, u16 queue_idx,
+			  const struct ieee80211_tx_queue_params *params)
+{
+	struct rt2x00_dev *rt2x00dev = hw->priv;
+	struct data_queue *queue;
+	struct rt2x00_field32 field;
+	int retval;
+	u32 reg;
+	u32 offset;
+
+	/*
+	 * First pass the configuration through rt2x00lib, that will
+	 * update the queue settings and validate the input. After that
+	 * we are free to update the registers based on the value
+	 * in the queue parameter.
+	 */
+	retval = rt2x00mac_conf_tx(hw, queue_idx, params);
+	if (retval)
+		return retval;
+
+	/*
+	 * We only need to perform additional register initialization
+	 * for WMM queues/
+	 */
+	if (queue_idx >= 4)
+		return 0;
+
+	queue = rt2x00queue_get_queue(rt2x00dev, queue_idx);
+
+	/* Update WMM TXOP register */
+	offset = WMM_TXOP0_CFG + (sizeof(u32) * (!!(queue_idx & 2)));
+	field.bit_offset = (queue_idx & 1) * 16;
+	field.bit_mask = 0xffff << field.bit_offset;
+
+	rt2800_register_read(rt2x00dev, offset, &reg);
+	rt2x00_set_field32(&reg, field, queue->txop);
+	rt2800_register_write(rt2x00dev, offset, reg);
+
+	/* Update WMM registers */
+	field.bit_offset = queue_idx * 4;
+	field.bit_mask = 0xf << field.bit_offset;
+
+	rt2800_register_read(rt2x00dev, WMM_AIFSN_CFG, &reg);
+	rt2x00_set_field32(&reg, field, queue->aifs);
+	rt2800_register_write(rt2x00dev, WMM_AIFSN_CFG, reg);
+
+	rt2800_register_read(rt2x00dev, WMM_CWMIN_CFG, &reg);
+	rt2x00_set_field32(&reg, field, queue->cw_min);
+	rt2800_register_write(rt2x00dev, WMM_CWMIN_CFG, reg);
+
+	rt2800_register_read(rt2x00dev, WMM_CWMAX_CFG, &reg);
+	rt2x00_set_field32(&reg, field, queue->cw_max);
+	rt2800_register_write(rt2x00dev, WMM_CWMAX_CFG, reg);
+
+	/* Update EDCA registers */
+	offset = EDCA_AC0_CFG + (sizeof(u32) * queue_idx);
+
+	rt2800_register_read(rt2x00dev, offset, &reg);
+	rt2x00_set_field32(&reg, EDCA_AC0_CFG_TX_OP, queue->txop);
+	rt2x00_set_field32(&reg, EDCA_AC0_CFG_AIFSN, queue->aifs);
+	rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMIN, queue->cw_min);
+	rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMAX, queue->cw_max);
+	rt2800_register_write(rt2x00dev, offset, reg);
+
+	return 0;
+}
+
+static u64 rt2800_get_tsf(struct ieee80211_hw *hw)
+{
+	struct rt2x00_dev *rt2x00dev = hw->priv;
+	u64 tsf;
+	u32 reg;
+
+	rt2800_register_read(rt2x00dev, TSF_TIMER_DW1, &reg);
+	tsf = (u64) rt2x00_get_field32(reg, TSF_TIMER_DW1_HIGH_WORD) << 32;
+	rt2800_register_read(rt2x00dev, TSF_TIMER_DW0, &reg);
+	tsf |= rt2x00_get_field32(reg, TSF_TIMER_DW0_LOW_WORD);
+
+	return tsf;
+}
+
+const struct ieee80211_ops rt2800_mac80211_ops = {
+	.tx			= rt2x00mac_tx,
+	.start			= rt2x00mac_start,
+	.stop			= rt2x00mac_stop,
+	.add_interface		= rt2x00mac_add_interface,
+	.remove_interface	= rt2x00mac_remove_interface,
+	.config			= rt2x00mac_config,
+	.configure_filter	= rt2x00mac_configure_filter,
+	.set_tim		= rt2x00mac_set_tim,
+	.set_key		= rt2x00mac_set_key,
+	.get_stats		= rt2x00mac_get_stats,
+	.get_tkip_seq		= rt2800_get_tkip_seq,
+	.set_rts_threshold	= rt2800_set_rts_threshold,
+	.bss_info_changed	= rt2x00mac_bss_info_changed,
+	.conf_tx		= rt2800_conf_tx,
+	.get_tx_stats		= rt2x00mac_get_tx_stats,
+	.get_tsf		= rt2800_get_tsf,
+	.rfkill_poll		= rt2x00mac_rfkill_poll,
+};
+EXPORT_SYMBOL_GPL(rt2800_mac80211_ops);
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.h b/drivers/net/wireless/rt2x00/rt2800lib.h
index 2da8f79215f..5eea8fcba6c 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.h
+++ b/drivers/net/wireless/rt2x00/rt2800lib.h
@@ -129,4 +129,6 @@ int rt2800_init_registers(struct rt2x00_dev *rt2x00dev);
 int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev);
 int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev);
 
+extern const struct ieee80211_ops rt2800_mac80211_ops;
+
 #endif /* RT2800LIB_H */
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 78086cce55e..3c5b875cdee 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -1513,161 +1513,6 @@ static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev)
 	return 0;
 }
 
-/*
- * IEEE80211 stack callback functions.
- */
-static void rt2800pci_get_tkip_seq(struct ieee80211_hw *hw, u8 hw_key_idx,
-				   u32 *iv32, u16 *iv16)
-{
-	struct rt2x00_dev *rt2x00dev = hw->priv;
-	struct mac_iveiv_entry iveiv_entry;
-	u32 offset;
-
-	offset = MAC_IVEIV_ENTRY(hw_key_idx);
-	rt2800_register_multiread(rt2x00dev, offset,
-				      &iveiv_entry, sizeof(iveiv_entry));
-
-	memcpy(&iveiv_entry.iv[0], iv16, sizeof(iv16));
-	memcpy(&iveiv_entry.iv[4], iv32, sizeof(iv32));
-}
-
-static int rt2800pci_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
-{
-	struct rt2x00_dev *rt2x00dev = hw->priv;
-	u32 reg;
-	bool enabled = (value < IEEE80211_MAX_RTS_THRESHOLD);
-
-	rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
-	rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES, value);
-	rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
-	rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, enabled);
-	rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
-	rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, enabled);
-	rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
-	rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, enabled);
-	rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
-	rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, enabled);
-	rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
-	rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, enabled);
-	rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
-	rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, enabled);
-	rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
-
-	return 0;
-}
-
-static int rt2800pci_conf_tx(struct ieee80211_hw *hw, u16 queue_idx,
-			     const struct ieee80211_tx_queue_params *params)
-{
-	struct rt2x00_dev *rt2x00dev = hw->priv;
-	struct data_queue *queue;
-	struct rt2x00_field32 field;
-	int retval;
-	u32 reg;
-	u32 offset;
-
-	/*
-	 * First pass the configuration through rt2x00lib, that will
-	 * update the queue settings and validate the input. After that
-	 * we are free to update the registers based on the value
-	 * in the queue parameter.
-	 */
-	retval = rt2x00mac_conf_tx(hw, queue_idx, params);
-	if (retval)
-		return retval;
-
-	/*
-	 * We only need to perform additional register initialization
-	 * for WMM queues/
-	 */
-	if (queue_idx >= 4)
-		return 0;
-
-	queue = rt2x00queue_get_queue(rt2x00dev, queue_idx);
-
-	/* Update WMM TXOP register */
-	offset = WMM_TXOP0_CFG + (sizeof(u32) * (!!(queue_idx & 2)));
-	field.bit_offset = (queue_idx & 1) * 16;
-	field.bit_mask = 0xffff << field.bit_offset;
-
-	rt2800_register_read(rt2x00dev, offset, &reg);
-	rt2x00_set_field32(&reg, field, queue->txop);
-	rt2800_register_write(rt2x00dev, offset, reg);
-
-	/* Update WMM registers */
-	field.bit_offset = queue_idx * 4;
-	field.bit_mask = 0xf << field.bit_offset;
-
-	rt2800_register_read(rt2x00dev, WMM_AIFSN_CFG, &reg);
-	rt2x00_set_field32(&reg, field, queue->aifs);
-	rt2800_register_write(rt2x00dev, WMM_AIFSN_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, WMM_CWMIN_CFG, &reg);
-	rt2x00_set_field32(&reg, field, queue->cw_min);
-	rt2800_register_write(rt2x00dev, WMM_CWMIN_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, WMM_CWMAX_CFG, &reg);
-	rt2x00_set_field32(&reg, field, queue->cw_max);
-	rt2800_register_write(rt2x00dev, WMM_CWMAX_CFG, reg);
-
-	/* Update EDCA registers */
-	offset = EDCA_AC0_CFG + (sizeof(u32) * queue_idx);
-
-	rt2800_register_read(rt2x00dev, offset, &reg);
-	rt2x00_set_field32(&reg, EDCA_AC0_CFG_TX_OP, queue->txop);
-	rt2x00_set_field32(&reg, EDCA_AC0_CFG_AIFSN, queue->aifs);
-	rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMIN, queue->cw_min);
-	rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMAX, queue->cw_max);
-	rt2800_register_write(rt2x00dev, offset, reg);
-
-	return 0;
-}
-
-static u64 rt2800pci_get_tsf(struct ieee80211_hw *hw)
-{
-	struct rt2x00_dev *rt2x00dev = hw->priv;
-	u64 tsf;
-	u32 reg;
-
-	rt2800_register_read(rt2x00dev, TSF_TIMER_DW1, &reg);
-	tsf = (u64) rt2x00_get_field32(reg, TSF_TIMER_DW1_HIGH_WORD) << 32;
-	rt2800_register_read(rt2x00dev, TSF_TIMER_DW0, &reg);
-	tsf |= rt2x00_get_field32(reg, TSF_TIMER_DW0_LOW_WORD);
-
-	return tsf;
-}
-
-static const struct ieee80211_ops rt2800pci_mac80211_ops = {
-	.tx			= rt2x00mac_tx,
-	.start			= rt2x00mac_start,
-	.stop			= rt2x00mac_stop,
-	.add_interface		= rt2x00mac_add_interface,
-	.remove_interface	= rt2x00mac_remove_interface,
-	.config			= rt2x00mac_config,
-	.configure_filter	= rt2x00mac_configure_filter,
-	.set_key		= rt2x00mac_set_key,
-	.get_stats		= rt2x00mac_get_stats,
-	.get_tkip_seq		= rt2800pci_get_tkip_seq,
-	.set_rts_threshold	= rt2800pci_set_rts_threshold,
-	.bss_info_changed	= rt2x00mac_bss_info_changed,
-	.conf_tx		= rt2800pci_conf_tx,
-	.get_tx_stats		= rt2x00mac_get_tx_stats,
-	.get_tsf		= rt2800pci_get_tsf,
-	.rfkill_poll		= rt2x00mac_rfkill_poll,
-};
-
 static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = {
 	.irq_handler		= rt2800pci_interrupt,
 	.probe_hw		= rt2800pci_probe_hw,
@@ -1730,7 +1575,7 @@ static const struct rt2x00_ops rt2800pci_ops = {
 	.tx		= &rt2800pci_queue_tx,
 	.bcn		= &rt2800pci_queue_bcn,
 	.lib		= &rt2800pci_rt2x00_ops,
-	.hw		= &rt2800pci_mac80211_ops,
+	.hw		= &rt2800_mac80211_ops,
 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
 	.debugfs	= &rt2800_rt2x00debug,
 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index f5b864b1a55..ce2e893856c 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -1119,162 +1119,6 @@ static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
 	return 0;
 }
 
-/*
- * IEEE80211 stack callback functions.
- */
-static void rt2800usb_get_tkip_seq(struct ieee80211_hw *hw, u8 hw_key_idx,
-				   u32 *iv32, u16 *iv16)
-{
-	struct rt2x00_dev *rt2x00dev = hw->priv;
-	struct mac_iveiv_entry iveiv_entry;
-	u32 offset;
-
-	offset = MAC_IVEIV_ENTRY(hw_key_idx);
-	rt2800_register_multiread(rt2x00dev, offset,
-				      &iveiv_entry, sizeof(iveiv_entry));
-
-	memcpy(&iveiv_entry.iv[0], iv16, sizeof(iv16));
-	memcpy(&iveiv_entry.iv[4], iv32, sizeof(iv32));
-}
-
-static int rt2800usb_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
-{
-	struct rt2x00_dev *rt2x00dev = hw->priv;
-	u32 reg;
-	bool enabled = (value < IEEE80211_MAX_RTS_THRESHOLD);
-
-	rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
-	rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES, value);
-	rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
-	rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, enabled);
-	rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
-	rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, enabled);
-	rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
-	rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, enabled);
-	rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
-	rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, enabled);
-	rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
-	rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, enabled);
-	rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
-	rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, enabled);
-	rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
-
-	return 0;
-}
-
-static int rt2800usb_conf_tx(struct ieee80211_hw *hw, u16 queue_idx,
-			     const struct ieee80211_tx_queue_params *params)
-{
-	struct rt2x00_dev *rt2x00dev = hw->priv;
-	struct data_queue *queue;
-	struct rt2x00_field32 field;
-	int retval;
-	u32 reg;
-	u32 offset;
-
-	/*
-	 * First pass the configuration through rt2x00lib, that will
-	 * update the queue settings and validate the input. After that
-	 * we are free to update the registers based on the value
-	 * in the queue parameter.
-	 */
-	retval = rt2x00mac_conf_tx(hw, queue_idx, params);
-	if (retval)
-		return retval;
-
-	/*
-	 * We only need to perform additional register initialization
-	 * for WMM queues/
-	 */
-	if (queue_idx >= 4)
-		return 0;
-
-	queue = rt2x00queue_get_queue(rt2x00dev, queue_idx);
-
-	/* Update WMM TXOP register */
-	offset = WMM_TXOP0_CFG + (sizeof(u32) * (!!(queue_idx & 2)));
-	field.bit_offset = (queue_idx & 1) * 16;
-	field.bit_mask = 0xffff << field.bit_offset;
-
-	rt2800_register_read(rt2x00dev, offset, &reg);
-	rt2x00_set_field32(&reg, field, queue->txop);
-	rt2800_register_write(rt2x00dev, offset, reg);
-
-	/* Update WMM registers */
-	field.bit_offset = queue_idx * 4;
-	field.bit_mask = 0xf << field.bit_offset;
-
-	rt2800_register_read(rt2x00dev, WMM_AIFSN_CFG, &reg);
-	rt2x00_set_field32(&reg, field, queue->aifs);
-	rt2800_register_write(rt2x00dev, WMM_AIFSN_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, WMM_CWMIN_CFG, &reg);
-	rt2x00_set_field32(&reg, field, queue->cw_min);
-	rt2800_register_write(rt2x00dev, WMM_CWMIN_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, WMM_CWMAX_CFG, &reg);
-	rt2x00_set_field32(&reg, field, queue->cw_max);
-	rt2800_register_write(rt2x00dev, WMM_CWMAX_CFG, reg);
-
-	/* Update EDCA registers */
-	offset = EDCA_AC0_CFG + (sizeof(u32) * queue_idx);
-
-	rt2800_register_read(rt2x00dev, offset, &reg);
-	rt2x00_set_field32(&reg, EDCA_AC0_CFG_TX_OP, queue->txop);
-	rt2x00_set_field32(&reg, EDCA_AC0_CFG_AIFSN, queue->aifs);
-	rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMIN, queue->cw_min);
-	rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMAX, queue->cw_max);
-	rt2800_register_write(rt2x00dev, offset, reg);
-
-	return 0;
-}
-
-static u64 rt2800usb_get_tsf(struct ieee80211_hw *hw)
-{
-	struct rt2x00_dev *rt2x00dev = hw->priv;
-	u64 tsf;
-	u32 reg;
-
-	rt2800_register_read(rt2x00dev, TSF_TIMER_DW1, &reg);
-	tsf = (u64) rt2x00_get_field32(reg, TSF_TIMER_DW1_HIGH_WORD) << 32;
-	rt2800_register_read(rt2x00dev, TSF_TIMER_DW0, &reg);
-	tsf |= rt2x00_get_field32(reg, TSF_TIMER_DW0_LOW_WORD);
-
-	return tsf;
-}
-
-static const struct ieee80211_ops rt2800usb_mac80211_ops = {
-	.tx			= rt2x00mac_tx,
-	.start			= rt2x00mac_start,
-	.stop			= rt2x00mac_stop,
-	.add_interface		= rt2x00mac_add_interface,
-	.remove_interface	= rt2x00mac_remove_interface,
-	.config			= rt2x00mac_config,
-	.configure_filter	= rt2x00mac_configure_filter,
-	.set_tim		= rt2x00mac_set_tim,
-	.set_key		= rt2x00mac_set_key,
-	.get_stats		= rt2x00mac_get_stats,
-	.get_tkip_seq		= rt2800usb_get_tkip_seq,
-	.set_rts_threshold	= rt2800usb_set_rts_threshold,
-	.bss_info_changed	= rt2x00mac_bss_info_changed,
-	.conf_tx		= rt2800usb_conf_tx,
-	.get_tx_stats		= rt2x00mac_get_tx_stats,
-	.get_tsf		= rt2800usb_get_tsf,
-	.rfkill_poll		= rt2x00mac_rfkill_poll,
-};
-
 static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
 	.probe_hw		= rt2800usb_probe_hw,
 	.get_firmware_name	= rt2800usb_get_firmware_name,
@@ -1336,7 +1180,7 @@ static const struct rt2x00_ops rt2800usb_ops = {
 	.tx		= &rt2800usb_queue_tx,
 	.bcn		= &rt2800usb_queue_bcn,
 	.lib		= &rt2800usb_rt2x00_ops,
-	.hw		= &rt2800usb_mac80211_ops,
+	.hw		= &rt2800_mac80211_ops,
 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
 	.debugfs	= &rt2800_rt2x00debug,
 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
-- 
GitLab


From 77c8258ff7e6788d3889e7062607e891618d811f Mon Sep 17 00:00:00 2001
From: Keng-Yu Lin <keng-yu.lin@canonical.com>
Date: Thu, 5 Nov 2009 11:21:37 +0800
Subject: [PATCH 0992/1815] ath5k: add LED support for Acer Aspire One
 AO751h/AO531h

Add LED support for a Foxconn AR242X module, found on
the Acer Aspire One models AO751h/AO531h

Signed-off-by: Keng-Yu Lin <keng-yu.lin@canonical.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath5k/led.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/wireless/ath/ath5k/led.c b/drivers/net/wireless/ath/ath5k/led.c
index b767c3b67b2..7ce98bd7c74 100644
--- a/drivers/net/wireless/ath/ath5k/led.c
+++ b/drivers/net/wireless/ath/ath5k/led.c
@@ -59,6 +59,8 @@ static const struct pci_device_id ath5k_led_devices[] = {
 	{ ATH_SDEVICE(PCI_VENDOR_ID_COMPAQ, PCI_ANY_ID), ATH_LED(1, 1) },
 	/* Acer Aspire One A150 (maximlevitsky@gmail.com) */
 	{ ATH_SDEVICE(PCI_VENDOR_ID_FOXCONN, 0xe008), ATH_LED(3, 0) },
+	/* Acer Aspire One AO531h AO751h (keng-yu.lin@canonical.com) */
+	{ ATH_SDEVICE(PCI_VENDOR_ID_FOXCONN, 0xe00d), ATH_LED(3, 0) },
 	/* Acer Ferrari 5000 (russ.dill@gmail.com) */
 	{ ATH_SDEVICE(PCI_VENDOR_ID_AMBIT, 0x0422), ATH_LED(1, 1) },
 	/* E-machines E510 (tuliom@gmail.com) */
-- 
GitLab


From c1b84ab059541517f51df534e87071723264833d Mon Sep 17 00:00:00 2001
From: Larry Finger <Larry.Finger@lwfinger.net>
Date: Thu, 5 Nov 2009 00:08:59 -0600
Subject: [PATCH 0993/1815] b43: Remove deprecated 'qual' from returned RX
 status

With the deprecation of the qual member of ieee80211_rx_status, that
calculation and an associated constant can be removed.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/b43/b43.h  | 2 --
 drivers/net/wireless/b43/xmit.c | 1 -
 2 files changed, 3 deletions(-)

diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h
index 65b23f725a0..fe3bf949199 100644
--- a/drivers/net/wireless/b43/b43.h
+++ b/drivers/net/wireless/b43/b43.h
@@ -26,8 +26,6 @@
 # define B43_DEBUG	0
 #endif
 
-#define B43_RX_MAX_SSI			60
-
 /* MMIO offsets */
 #define B43_MMIO_DMA0_REASON		0x20
 #define B43_MMIO_DMA0_IRQ_MASK		0x24
diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c
index 7a5e294be2b..eda06529ef5 100644
--- a/drivers/net/wireless/b43/xmit.c
+++ b/drivers/net/wireless/b43/xmit.c
@@ -621,7 +621,6 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
 						  (phystat0 & B43_RX_PHYST0_OFDM),
 						  (phystat0 & B43_RX_PHYST0_GAINCTL),
 						  (phystat3 & B43_RX_PHYST3_TRSTATE));
-		status.qual = (rxhdr->jssi * 100) / B43_RX_MAX_SSI;
 	}
 
 	if (phystat0 & B43_RX_PHYST0_OFDM)
-- 
GitLab


From 715caaeb896a51fe1583f306fb10b22cfab4f7fd Mon Sep 17 00:00:00 2001
From: Larry Finger <Larry.Finger@lwfinger.net>
Date: Thu, 5 Nov 2009 00:09:15 -0600
Subject: [PATCH 0994/1815] b43legacy: Remove deprecated 'qual' from returned
 RX status

With the deprecation of the qual member of ieee80211_rx_status, that
calculation and an associated constant can be removed.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/b43legacy/b43legacy.h | 2 --
 drivers/net/wireless/b43legacy/xmit.c      | 1 -
 2 files changed, 3 deletions(-)

diff --git a/drivers/net/wireless/b43legacy/b43legacy.h b/drivers/net/wireless/b43legacy/b43legacy.h
index 038baa8869e..89fe2f972c7 100644
--- a/drivers/net/wireless/b43legacy/b43legacy.h
+++ b/drivers/net/wireless/b43legacy/b43legacy.h
@@ -29,8 +29,6 @@
 
 #define B43legacy_IRQWAIT_MAX_RETRIES	20
 
-#define B43legacy_RX_MAX_SSI		60 /* best guess at max ssi */
-
 /* MMIO offsets */
 #define B43legacy_MMIO_DMA0_REASON	0x20
 #define B43legacy_MMIO_DMA0_IRQ_MASK	0x24
diff --git a/drivers/net/wireless/b43legacy/xmit.c b/drivers/net/wireless/b43legacy/xmit.c
index 103f3c9e7f5..9c8882d9275 100644
--- a/drivers/net/wireless/b43legacy/xmit.c
+++ b/drivers/net/wireless/b43legacy/xmit.c
@@ -549,7 +549,6 @@ void b43legacy_rx(struct b43legacy_wldev *dev,
 				      (phystat0 & B43legacy_RX_PHYST0_GAINCTL),
 				      (phystat3 & B43legacy_RX_PHYST3_TRSTATE));
 	status.noise = dev->stats.link_noise;
-	status.qual = (jssi * 100) / B43legacy_RX_MAX_SSI;
 	/* change to support A PHY */
 	if (phystat0 & B43legacy_RX_PHYST0_OFDM)
 		status.rate_idx = b43legacy_plcp_get_bitrate_idx_ofdm(plcp, false);
-- 
GitLab


From 70d9f405d09e334b609702d88ee03b6119c4b45e Mon Sep 17 00:00:00 2001
From: Larry Finger <Larry.Finger@lwfinger.net>
Date: Thu, 5 Nov 2009 00:09:51 -0600
Subject: [PATCH 0995/1815] rtl8187: Remove deprecated 'qual' from returned RX
 status

The qual member of ieee80211_rx_status is deprecated. As a result, this
driver no longer needs to calculate a quality value.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Acked-by: Hin-Tak Leung <htl10@users.sourceforge.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rtl818x/rtl8187.h     |  1 -
 drivers/net/wireless/rtl818x/rtl8187_dev.c | 13 +++----------
 2 files changed, 3 insertions(+), 11 deletions(-)

diff --git a/drivers/net/wireless/rtl818x/rtl8187.h b/drivers/net/wireless/rtl818x/rtl8187.h
index bf9175a8c1f..abb4907cf29 100644
--- a/drivers/net/wireless/rtl818x/rtl8187.h
+++ b/drivers/net/wireless/rtl818x/rtl8187.h
@@ -119,7 +119,6 @@ struct rtl8187_priv {
 	} hw_rev;
 	struct sk_buff_head rx_queue;
 	u8 signal;
-	u8 quality;
 	u8 noise;
 	u8 slot_time;
 	u8 aifsn[4];
diff --git a/drivers/net/wireless/rtl818x/rtl8187_dev.c b/drivers/net/wireless/rtl818x/rtl8187_dev.c
index 2017ccc0014..76973b8c709 100644
--- a/drivers/net/wireless/rtl818x/rtl8187_dev.c
+++ b/drivers/net/wireless/rtl818x/rtl8187_dev.c
@@ -320,7 +320,6 @@ static void rtl8187_rx_cb(struct urb *urb)
 	struct ieee80211_rx_status rx_status = { 0 };
 	int rate, signal;
 	u32 flags;
-	u32 quality;
 	unsigned long f;
 
 	spin_lock_irqsave(&priv->rx_queue.lock, f);
@@ -338,10 +337,9 @@ static void rtl8187_rx_cb(struct urb *urb)
 			(typeof(hdr))(skb_tail_pointer(skb) - sizeof(*hdr));
 		flags = le32_to_cpu(hdr->flags);
 		/* As with the RTL8187B below, the AGC is used to calculate
-		 * signal strength and quality. In this case, the scaling
+		 * signal strength. In this case, the scaling
 		 * constants are derived from the output of p54usb.
 		 */
-		quality = 130 - ((41 * hdr->agc) >> 6);
 		signal = -4 - ((27 * hdr->agc) >> 6);
 		rx_status.antenna = (hdr->signal >> 7) & 1;
 		rx_status.mactime = le64_to_cpu(hdr->mac_time);
@@ -354,23 +352,18 @@ static void rtl8187_rx_cb(struct urb *urb)
 		 * In testing, none of these quantities show qualitative
 		 * agreement with AP signal strength, except for the AGC,
 		 * which is inversely proportional to the strength of the
-		 * signal. In the following, the quality and signal strength
-		 * are derived from the AGC. The arbitrary scaling constants
+		 * signal. In the following, the signal strength
+		 * is derived from the AGC. The arbitrary scaling constants
 		 * are chosen to make the results close to the values obtained
 		 * for a BCM4312 using b43 as the driver. The noise is ignored
 		 * for now.
 		 */
 		flags = le32_to_cpu(hdr->flags);
-		quality = 170 - hdr->agc;
 		signal = 14 - hdr->agc / 2;
 		rx_status.antenna = (hdr->rssi >> 7) & 1;
 		rx_status.mactime = le64_to_cpu(hdr->mac_time);
 	}
 
-	if (quality > 100)
-		quality = 100;
-	rx_status.qual = quality;
-	priv->quality = quality;
 	rx_status.signal = signal;
 	priv->signal = signal;
 	rate = (flags >> 20) & 0xF;
-- 
GitLab


From af81858172cc0f3da81946aab919c26e4b364efc Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Fri, 6 Nov 2009 11:35:50 +0100
Subject: [PATCH 0996/1815] mac80211: async station powersave handling

Some devices require that all frames to a station
are flushed when that station goes into powersave
mode before being able to send frames to that
station again when it wakes up or polls -- all in
order to avoid reordering and too many or too few
frames being sent to the station when it polls.

Normally, this is the case unless the station
goes to sleep and wakes up very quickly again.
But in that case, frames for it may be pending
on the hardware queues, and thus races could
happen in the case of multiple hardware queues
used for QoS/WMM. Normally this isn't a problem,
but with the iwlwifi mechanism we need to make
sure the race doesn't happen.

This makes mac80211 able to cope with the race
with driver help by a new WLAN_STA_PS_DRIVER
per-station flag that can be controlled by the
driver and tells mac80211 whether it can transmit
frames or not. This flag must be set according to
very specific rules outlined in the documentation
for the function that controls it.

When we buffer new frames for the station, we
normally set the TIM bit right away, but while
the driver has blocked transmission to that sta
we need to avoid that as well since we cannot
respond to the station if it wakes up due to the
TIM bit. Once the driver unblocks, we can set
the TIM bit.

Similarly, when the station just wakes up, we
need to wait until all other frames are flushed
before we can transmit frames to that station,
so the same applies here, we need to wait for
the driver to give the OK.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 include/net/mac80211.h     |  32 ++++++++++
 net/mac80211/debugfs_sta.c |   5 +-
 net/mac80211/main.c        |   8 +--
 net/mac80211/rx.c          |  86 +++++----------------------
 net/mac80211/sta_info.c    | 118 ++++++++++++++++++++++++++++++++++++-
 net/mac80211/sta_info.h    |  23 +++++++-
 net/mac80211/tx.c          |  13 ++--
 7 files changed, 200 insertions(+), 85 deletions(-)

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 7f035d779db..2c10eac637d 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -2136,6 +2136,38 @@ struct ieee80211_sta *ieee80211_find_sta(struct ieee80211_vif *vif,
 struct ieee80211_sta *ieee80211_find_sta_by_hw(struct ieee80211_hw *hw,
 					       const u8 *addr);
 
+/**
+ * ieee80211_sta_block_awake - block station from waking up
+ * @hw: the hardware
+ * @pubsta: the station
+ * @block: whether to block or unblock
+ *
+ * Some devices require that all frames that are on the queues
+ * for a specific station that went to sleep are flushed before
+ * a poll response or frames after the station woke up can be
+ * delivered to that it. Note that such frames must be rejected
+ * by the driver as filtered, with the appropriate status flag.
+ *
+ * This function allows implementing this mode in a race-free
+ * manner.
+ *
+ * To do this, a driver must keep track of the number of frames
+ * still enqueued for a specific station. If this number is not
+ * zero when the station goes to sleep, the driver must call
+ * this function to force mac80211 to consider the station to
+ * be asleep regardless of the station's actual state. Once the
+ * number of outstanding frames reaches zero, the driver must
+ * call this function again to unblock the station. That will
+ * cause mac80211 to be able to send ps-poll responses, and if
+ * the station queried in the meantime then frames will also
+ * be sent out as a result of this. Additionally, the driver
+ * will be notified that the station woke up some time after
+ * it is unblocked, regardless of whether the station actually
+ * woke up while blocked or not.
+ */
+void ieee80211_sta_block_awake(struct ieee80211_hw *hw,
+			       struct ieee80211_sta *pubsta, bool block);
+
 /**
  * ieee80211_beacon_loss - inform hardware does not receive beacons
  *
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index 4425b613552..f043c29070d 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -66,10 +66,11 @@ static ssize_t sta_flags_read(struct file *file, char __user *userbuf,
 	char buf[100];
 	struct sta_info *sta = file->private_data;
 	u32 staflags = get_sta_flags(sta);
-	int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s",
+	int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s%s",
 		staflags & WLAN_STA_AUTH ? "AUTH\n" : "",
 		staflags & WLAN_STA_ASSOC ? "ASSOC\n" : "",
-		staflags & WLAN_STA_PS ? "PS\n" : "",
+		staflags & WLAN_STA_PS_STA ? "PS (sta)\n" : "",
+		staflags & WLAN_STA_PS_DRIVER ? "PS (driver)\n" : "",
 		staflags & WLAN_STA_AUTHORIZED ? "AUTHORIZED\n" : "",
 		staflags & WLAN_STA_SHORT_PREAMBLE ? "SHORT PREAMBLE\n" : "",
 		staflags & WLAN_STA_WME ? "WME\n" : "",
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 9e6703ff7fb..beb8718d905 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -385,13 +385,13 @@ static void ieee80211_handle_filtered_frame(struct ieee80211_local *local,
 	 *      can be unknown, for example with different interrupt status
 	 *	bits.
 	 */
-	if (test_sta_flags(sta, WLAN_STA_PS) &&
+	if (test_sta_flags(sta, WLAN_STA_PS_STA) &&
 	    skb_queue_len(&sta->tx_filtered) < STA_MAX_TX_BUFFER) {
 		skb_queue_tail(&sta->tx_filtered, skb);
 		return;
 	}
 
-	if (!test_sta_flags(sta, WLAN_STA_PS) &&
+	if (!test_sta_flags(sta, WLAN_STA_PS_STA) &&
 	    !(info->flags & IEEE80211_TX_INTFL_RETRIED)) {
 		/* Software retry the packet once */
 		info->flags |= IEEE80211_TX_INTFL_RETRIED;
@@ -406,7 +406,7 @@ static void ieee80211_handle_filtered_frame(struct ieee80211_local *local,
 		       "queue_len=%d PS=%d @%lu\n",
 		       wiphy_name(local->hw.wiphy),
 		       skb_queue_len(&sta->tx_filtered),
-		       !!test_sta_flags(sta, WLAN_STA_PS), jiffies);
+		       !!test_sta_flags(sta, WLAN_STA_PS_STA), jiffies);
 #endif
 	dev_kfree_skb(skb);
 }
@@ -446,7 +446,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
 
 	if (sta) {
 		if (!(info->flags & IEEE80211_TX_STAT_ACK) &&
-		    test_sta_flags(sta, WLAN_STA_PS)) {
+		    test_sta_flags(sta, WLAN_STA_PS_STA)) {
 			/*
 			 * The STA is in power save mode, so assume
 			 * that this TX packet failed because of that.
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index c06496f0b76..28316b2a585 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -781,7 +781,7 @@ static void ap_sta_ps_start(struct sta_info *sta)
 	struct ieee80211_local *local = sdata->local;
 
 	atomic_inc(&sdata->bss->num_sta_ps);
-	set_sta_flags(sta, WLAN_STA_PS);
+	set_sta_flags(sta, WLAN_STA_PS_STA);
 	drv_sta_notify(local, &sdata->vif, STA_NOTIFY_SLEEP, &sta->sta);
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
 	printk(KERN_DEBUG "%s: STA %pM aid %d enters power save mode\n",
@@ -792,33 +792,25 @@ static void ap_sta_ps_start(struct sta_info *sta)
 static void ap_sta_ps_end(struct sta_info *sta)
 {
 	struct ieee80211_sub_if_data *sdata = sta->sdata;
-	struct ieee80211_local *local = sdata->local;
-	int sent, buffered;
 
 	atomic_dec(&sdata->bss->num_sta_ps);
 
-	clear_sta_flags(sta, WLAN_STA_PS);
-	drv_sta_notify(local, &sdata->vif, STA_NOTIFY_AWAKE, &sta->sta);
-
-	if (!skb_queue_empty(&sta->ps_tx_buf))
-		sta_info_clear_tim_bit(sta);
+	clear_sta_flags(sta, WLAN_STA_PS_STA);
 
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
 	printk(KERN_DEBUG "%s: STA %pM aid %d exits power save mode\n",
 	       sdata->dev->name, sta->sta.addr, sta->sta.aid);
 #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
 
-	/* Send all buffered frames to the station */
-	sent = ieee80211_add_pending_skbs(local, &sta->tx_filtered);
-	buffered = ieee80211_add_pending_skbs(local, &sta->ps_tx_buf);
-	sent += buffered;
-	local->total_ps_buffered -= buffered;
-
+	if (test_sta_flags(sta, WLAN_STA_PS_DRIVER)) {
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
-	printk(KERN_DEBUG "%s: STA %pM aid %d sending %d filtered/%d PS frames "
-	       "since STA not sleeping anymore\n", sdata->dev->name,
-	       sta->sta.addr, sta->sta.aid, sent - buffered, buffered);
+		printk(KERN_DEBUG "%s: STA %pM aid %d driver-ps-blocked\n",
+		       sdata->dev->name, sta->sta.addr, sta->sta.aid);
 #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
+		return;
+	}
+
+	ieee80211_sta_ps_deliver_wakeup(sta);
 }
 
 static ieee80211_rx_result debug_noinline
@@ -866,7 +858,7 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
 	if (!ieee80211_has_morefrags(hdr->frame_control) &&
 	    (rx->sdata->vif.type == NL80211_IFTYPE_AP ||
 	     rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN)) {
-		if (test_sta_flags(sta, WLAN_STA_PS)) {
+		if (test_sta_flags(sta, WLAN_STA_PS_STA)) {
 			/*
 			 * Ignore doze->wake transitions that are
 			 * indicated by non-data frames, the standard
@@ -1094,9 +1086,7 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
 static ieee80211_rx_result debug_noinline
 ieee80211_rx_h_ps_poll(struct ieee80211_rx_data *rx)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev);
-	struct sk_buff *skb;
-	int no_pending_pkts;
+	struct ieee80211_sub_if_data *sdata = rx->sdata;
 	__le16 fc = ((struct ieee80211_hdr *)rx->skb->data)->frame_control;
 
 	if (likely(!rx->sta || !ieee80211_is_pspoll(fc) ||
@@ -1107,56 +1097,10 @@ ieee80211_rx_h_ps_poll(struct ieee80211_rx_data *rx)
 	    (sdata->vif.type != NL80211_IFTYPE_AP_VLAN))
 		return RX_DROP_UNUSABLE;
 
-	skb = skb_dequeue(&rx->sta->tx_filtered);
-	if (!skb) {
-		skb = skb_dequeue(&rx->sta->ps_tx_buf);
-		if (skb)
-			rx->local->total_ps_buffered--;
-	}
-	no_pending_pkts = skb_queue_empty(&rx->sta->tx_filtered) &&
-		skb_queue_empty(&rx->sta->ps_tx_buf);
-
-	if (skb) {
-		struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
-		struct ieee80211_hdr *hdr =
-			(struct ieee80211_hdr *) skb->data;
-
-		/*
-		 * Tell TX path to send this frame even though the STA may
-		 * still remain is PS mode after this frame exchange.
-		 */
-		info->flags |= IEEE80211_TX_CTL_PSPOLL_RESPONSE;
-
-#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
-		printk(KERN_DEBUG "STA %pM aid %d: PS Poll (entries after %d)\n",
-		       rx->sta->sta.addr, rx->sta->sta.aid,
-		       skb_queue_len(&rx->sta->ps_tx_buf));
-#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
-
-		/* Use MoreData flag to indicate whether there are more
-		 * buffered frames for this STA */
-		if (no_pending_pkts)
-			hdr->frame_control &= cpu_to_le16(~IEEE80211_FCTL_MOREDATA);
-		else
-			hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_MOREDATA);
-
-		ieee80211_add_pending_skb(rx->local, skb);
-
-		if (no_pending_pkts)
-			sta_info_clear_tim_bit(rx->sta);
-#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
-	} else {
-		/*
-		 * FIXME: This can be the result of a race condition between
-		 *	  us expiring a frame and the station polling for it.
-		 *	  Should we send it a null-func frame indicating we
-		 *	  have nothing buffered for it?
-		 */
-		printk(KERN_DEBUG "%s: STA %pM sent PS Poll even "
-		       "though there are no buffered frames for it\n",
-		       rx->dev->name, rx->sta->sta.addr);
-#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
-	}
+	if (!test_sta_flags(rx->sta, WLAN_STA_PS_DRIVER))
+		ieee80211_sta_ps_deliver_poll_response(rx->sta);
+	else
+		set_sta_flags(rx->sta, WLAN_STA_PSPOLL);
 
 	/* Free PS Poll skb here instead of returning RX_DROP that would
 	 * count as an dropped frame. */
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index cde2da7a74d..be59456e8a4 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -171,6 +171,8 @@ void sta_info_destroy(struct sta_info *sta)
 
 	local = sta->local;
 
+	cancel_work_sync(&sta->drv_unblock_wk);
+
 	rate_control_remove_sta_debugfs(sta);
 	ieee80211_sta_debugfs_remove(sta);
 
@@ -259,6 +261,21 @@ static void sta_info_hash_add(struct ieee80211_local *local,
 	rcu_assign_pointer(local->sta_hash[STA_HASH(sta->sta.addr)], sta);
 }
 
+static void sta_unblock(struct work_struct *wk)
+{
+	struct sta_info *sta;
+
+	sta = container_of(wk, struct sta_info, drv_unblock_wk);
+
+	if (sta->dead)
+		return;
+
+	if (!test_sta_flags(sta, WLAN_STA_PS_STA))
+		ieee80211_sta_ps_deliver_wakeup(sta);
+	else if (test_and_clear_sta_flags(sta, WLAN_STA_PSPOLL))
+		ieee80211_sta_ps_deliver_poll_response(sta);
+}
+
 struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
 				u8 *addr, gfp_t gfp)
 {
@@ -272,6 +289,7 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
 
 	spin_lock_init(&sta->lock);
 	spin_lock_init(&sta->flaglock);
+	INIT_WORK(&sta->drv_unblock_wk, sta_unblock);
 
 	memcpy(sta->sta.addr, addr, ETH_ALEN);
 	sta->local = local;
@@ -478,8 +496,10 @@ static void __sta_info_unlink(struct sta_info **sta)
 	}
 
 	list_del(&(*sta)->list);
+	(*sta)->dead = true;
 
-	if (test_and_clear_sta_flags(*sta, WLAN_STA_PS)) {
+	if (test_and_clear_sta_flags(*sta,
+				WLAN_STA_PS_STA | WLAN_STA_PS_DRIVER)) {
 		BUG_ON(!sdata->bss);
 
 		atomic_dec(&sdata->bss->num_sta_ps);
@@ -825,3 +845,99 @@ struct ieee80211_sta *ieee80211_find_sta(struct ieee80211_vif *vif,
 	return ieee80211_find_sta_by_hw(&sdata->local->hw, addr);
 }
 EXPORT_SYMBOL(ieee80211_find_sta);
+
+/* powersave support code */
+void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta)
+{
+	struct ieee80211_sub_if_data *sdata = sta->sdata;
+	struct ieee80211_local *local = sdata->local;
+	int sent, buffered;
+
+	drv_sta_notify(local, &sdata->vif, STA_NOTIFY_AWAKE, &sta->sta);
+
+	if (!skb_queue_empty(&sta->ps_tx_buf))
+		sta_info_clear_tim_bit(sta);
+
+	/* Send all buffered frames to the station */
+	sent = ieee80211_add_pending_skbs(local, &sta->tx_filtered);
+	buffered = ieee80211_add_pending_skbs(local, &sta->ps_tx_buf);
+	sent += buffered;
+	local->total_ps_buffered -= buffered;
+
+#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
+	printk(KERN_DEBUG "%s: STA %pM aid %d sending %d filtered/%d PS frames "
+	       "since STA not sleeping anymore\n", sdata->dev->name,
+	       sta->sta.addr, sta->sta.aid, sent - buffered, buffered);
+#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
+}
+
+void ieee80211_sta_ps_deliver_poll_response(struct sta_info *sta)
+{
+	struct ieee80211_sub_if_data *sdata = sta->sdata;
+	struct ieee80211_local *local = sdata->local;
+	struct sk_buff *skb;
+	int no_pending_pkts;
+
+	skb = skb_dequeue(&sta->tx_filtered);
+	if (!skb) {
+		skb = skb_dequeue(&sta->ps_tx_buf);
+		if (skb)
+			local->total_ps_buffered--;
+	}
+	no_pending_pkts = skb_queue_empty(&sta->tx_filtered) &&
+		skb_queue_empty(&sta->ps_tx_buf);
+
+	if (skb) {
+		struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+		struct ieee80211_hdr *hdr =
+			(struct ieee80211_hdr *) skb->data;
+
+		/*
+		 * Tell TX path to send this frame even though the STA may
+		 * still remain is PS mode after this frame exchange.
+		 */
+		info->flags |= IEEE80211_TX_CTL_PSPOLL_RESPONSE;
+
+#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
+		printk(KERN_DEBUG "STA %pM aid %d: PS Poll (entries after %d)\n",
+		       sta->sta.addr, sta->sta.aid,
+		       skb_queue_len(&sta->ps_tx_buf));
+#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
+
+		/* Use MoreData flag to indicate whether there are more
+		 * buffered frames for this STA */
+		if (no_pending_pkts)
+			hdr->frame_control &= cpu_to_le16(~IEEE80211_FCTL_MOREDATA);
+		else
+			hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_MOREDATA);
+
+		ieee80211_add_pending_skb(local, skb);
+
+		if (no_pending_pkts)
+			sta_info_clear_tim_bit(sta);
+#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
+	} else {
+		/*
+		 * FIXME: This can be the result of a race condition between
+		 *	  us expiring a frame and the station polling for it.
+		 *	  Should we send it a null-func frame indicating we
+		 *	  have nothing buffered for it?
+		 */
+		printk(KERN_DEBUG "%s: STA %pM sent PS Poll even "
+		       "though there are no buffered frames for it\n",
+		       sdata->dev->name, sta->sta.addr);
+#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
+	}
+}
+
+void ieee80211_sta_block_awake(struct ieee80211_hw *hw,
+			       struct ieee80211_sta *pubsta, bool block)
+{
+	struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
+
+	if (block)
+		set_sta_flags(sta, WLAN_STA_PS_DRIVER);
+	else
+		ieee80211_queue_work(hw, &sta->drv_unblock_wk);
+}
+EXPORT_SYMBOL(ieee80211_sta_block_awake);
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 703f5492ee6..4673454176e 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -12,6 +12,7 @@
 #include <linux/list.h>
 #include <linux/types.h>
 #include <linux/if_ether.h>
+#include <linux/workqueue.h>
 #include "key.h"
 
 /**
@@ -21,7 +22,7 @@
  *
  * @WLAN_STA_AUTH: Station is authenticated.
  * @WLAN_STA_ASSOC: Station is associated.
- * @WLAN_STA_PS: Station is in power-save mode
+ * @WLAN_STA_PS_STA: Station is in power-save mode
  * @WLAN_STA_AUTHORIZED: Station is authorized to send/receive traffic.
  *	This bit is always checked so needs to be enabled for all stations
  *	when virtual port control is not in use.
@@ -36,11 +37,16 @@
  * @WLAN_STA_MFP: Management frame protection is used with this STA.
  * @WLAN_STA_SUSPEND: Set/cleared during a suspend/resume cycle.
  *	Used to deny ADDBA requests (both TX and RX).
+ * @WLAN_STA_PS_DRIVER: driver requires keeping this station in
+ *	power-save mode logically to flush frames that might still
+ *	be in the queues
+ * @WLAN_STA_PSPOLL: Station sent PS-poll while driver was keeping
+ *	station in power-save mode, reply when the driver unblocks.
  */
 enum ieee80211_sta_info_flags {
 	WLAN_STA_AUTH		= 1<<0,
 	WLAN_STA_ASSOC		= 1<<1,
-	WLAN_STA_PS		= 1<<2,
+	WLAN_STA_PS_STA		= 1<<2,
 	WLAN_STA_AUTHORIZED	= 1<<3,
 	WLAN_STA_SHORT_PREAMBLE	= 1<<4,
 	WLAN_STA_ASSOC_AP	= 1<<5,
@@ -48,7 +54,9 @@ enum ieee80211_sta_info_flags {
 	WLAN_STA_WDS		= 1<<7,
 	WLAN_STA_CLEAR_PS_FILT	= 1<<9,
 	WLAN_STA_MFP		= 1<<10,
-	WLAN_STA_SUSPEND	= 1<<11
+	WLAN_STA_SUSPEND	= 1<<11,
+	WLAN_STA_PS_DRIVER	= 1<<12,
+	WLAN_STA_PSPOLL		= 1<<13,
 };
 
 #define STA_TID_NUM 16
@@ -216,6 +224,8 @@ struct sta_ampdu_mlme {
  * @plink_timer_was_running: used by suspend/resume to restore timers
  * @debugfs: debug filesystem info
  * @sta: station information we share with the driver
+ * @dead: set to true when sta is unlinked
+ * @drv_unblock_wk used for driver PS unblocking
  */
 struct sta_info {
 	/* General information, mostly static */
@@ -229,8 +239,12 @@ struct sta_info {
 	spinlock_t lock;
 	spinlock_t flaglock;
 
+	struct work_struct drv_unblock_wk;
+
 	u16 listen_interval;
 
+	bool dead;
+
 	/*
 	 * for use by the internal lifetime management,
 	 * see __sta_info_unlink
@@ -430,4 +444,7 @@ int sta_info_flush(struct ieee80211_local *local,
 void ieee80211_sta_expire(struct ieee80211_sub_if_data *sdata,
 			  unsigned long exp_time);
 
+void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta);
+void ieee80211_sta_ps_deliver_poll_response(struct sta_info *sta);
+
 #endif /* STA_INFO_H */
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index c7dc8ccff5b..bfaa43e096d 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -374,7 +374,7 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
 
 	staflags = get_sta_flags(sta);
 
-	if (unlikely((staflags & WLAN_STA_PS) &&
+	if (unlikely((staflags & (WLAN_STA_PS_STA | WLAN_STA_PS_DRIVER)) &&
 		     !(info->flags & IEEE80211_TX_CTL_PSPOLL_RESPONSE))) {
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
 		printk(KERN_DEBUG "STA %pM aid %d: PS buffer (entries "
@@ -397,8 +397,13 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
 		} else
 			tx->local->total_ps_buffered++;
 
-		/* Queue frame to be sent after STA sends an PS Poll frame */
-		if (skb_queue_empty(&sta->ps_tx_buf))
+		/*
+		 * Queue frame to be sent after STA wakes up/polls,
+		 * but don't set the TIM bit if the driver is blocking
+		 * wakeup or poll response transmissions anyway.
+		 */
+		if (skb_queue_empty(&sta->ps_tx_buf) &&
+		    !(staflags & WLAN_STA_PS_DRIVER))
 			sta_info_set_tim_bit(sta);
 
 		info->control.jiffies = jiffies;
@@ -408,7 +413,7 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
 		return TX_QUEUED;
 	}
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
-	else if (unlikely(test_sta_flags(sta, WLAN_STA_PS))) {
+	else if (unlikely(staflags & WLAN_STA_PS_STA)) {
 		printk(KERN_DEBUG "%s: STA %pM in PS mode, but pspoll "
 		       "set -> send frame\n", tx->dev->name,
 		       sta->sta.addr);
-- 
GitLab


From 45a390ddd70d8bec0b17dd37bc8f77372c9c3d33 Mon Sep 17 00:00:00 2001
From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Thu, 22 Oct 2009 20:20:47 +0200
Subject: [PATCH 0997/1815] mwl8k: change pci id table driver data to a
 structure pointer

To prepare for adding support for more device types, introduce a
new structure, mwl8k_device_info, where per-device information can
be stored, and change the pci id table driver data from an integer
indicating only the part number to a pointer to a mwl8k_device_info
structure.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwl8k.c | 47 +++++++++++++++++++++++-------------
 1 file changed, 30 insertions(+), 17 deletions(-)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index c0317e298c1..a582794495e 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -28,13 +28,6 @@
 #define MWL8K_NAME	KBUILD_MODNAME
 #define MWL8K_VERSION	"0.10"
 
-static DEFINE_PCI_DEVICE_TABLE(mwl8k_table) = {
-	{ PCI_VDEVICE(MARVELL, 0x2a2b), .driver_data = 8687, },
-	{ PCI_VDEVICE(MARVELL, 0x2a30), .driver_data = 8687, },
-	{ }
-};
-MODULE_DEVICE_TABLE(pci, mwl8k_table);
-
 /* Register definitions */
 #define MWL8K_HIU_GEN_PTR			0x00000c10
 #define  MWL8K_MODE_STA				 0x0000005a
@@ -87,6 +80,10 @@ MODULE_DEVICE_TABLE(pci, mwl8k_table);
 #define MWL8K_RX_QUEUES		1
 #define MWL8K_TX_QUEUES		4
 
+struct mwl8k_device_info {
+	int part_num;
+};
+
 struct mwl8k_rx_queue {
 	int rxd_count;
 
@@ -130,9 +127,10 @@ struct mwl8k_priv {
 
 	struct pci_dev *pdev;
 
+	struct mwl8k_device_info *device_info;
+
 	/* firmware files and meta data */
 	struct mwl8k_firmware fw;
-	u32 part_num;
 
 	/* firmware access */
 	struct mutex fw_mutex;
@@ -356,15 +354,13 @@ static int mwl8k_request_fw(struct mwl8k_priv *priv,
 				fname, &priv->pdev->dev);
 }
 
-static int mwl8k_request_firmware(struct mwl8k_priv *priv, u32 part_num)
+static int mwl8k_request_firmware(struct mwl8k_priv *priv)
 {
 	u8 filename[64];
 	int rc;
 
-	priv->part_num = part_num;
-
 	snprintf(filename, sizeof(filename),
-		 "mwl8k/helper_%u.fw", priv->part_num);
+		 "mwl8k/helper_%u.fw", priv->device_info->part_num);
 
 	rc = mwl8k_request_fw(priv, filename, &priv->fw.helper);
 	if (rc) {
@@ -374,7 +370,7 @@ static int mwl8k_request_firmware(struct mwl8k_priv *priv, u32 part_num)
 	}
 
 	snprintf(filename, sizeof(filename),
-		 "mwl8k/fmimage_%u.fw", priv->part_num);
+		 "mwl8k/fmimage_%u.fw", priv->device_info->part_num);
 
 	rc = mwl8k_request_fw(priv, filename, &priv->fw.ucode);
 	if (rc) {
@@ -2941,6 +2937,22 @@ static void mwl8k_finalize_join_worker(struct work_struct *work)
 	priv->beacon_skb = NULL;
 }
 
+static struct mwl8k_device_info di_8687 = {
+	.part_num	= 8687,
+};
+
+static DEFINE_PCI_DEVICE_TABLE(mwl8k_pci_id_table) = {
+	{
+		PCI_VDEVICE(MARVELL, 0x2a2b),
+		.driver_data = (unsigned long)&di_8687,
+	}, {
+		PCI_VDEVICE(MARVELL, 0x2a30),
+		.driver_data = (unsigned long)&di_8687,
+	}, {
+	},
+};
+MODULE_DEVICE_TABLE(pci, mwl8k_pci_id_table);
+
 static int __devinit mwl8k_probe(struct pci_dev *pdev,
 				 const struct pci_device_id *id)
 {
@@ -2981,6 +2993,7 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
 	priv = hw->priv;
 	priv->hw = hw;
 	priv->pdev = pdev;
+	priv->device_info = (void *)id->driver_data;
 	priv->sniffer_enabled = false;
 	priv->wmm_enabled = false;
 	priv->pending_tx_pkts = 0;
@@ -3092,7 +3105,7 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
 	mwl8k_hw_reset(priv);
 
 	/* Ask userland hotplug daemon for the device firmware */
-	rc = mwl8k_request_firmware(priv, (u32)id->driver_data);
+	rc = mwl8k_request_firmware(priv);
 	if (rc) {
 		printk(KERN_ERR "%s: Firmware files not found\n",
 		       wiphy_name(hw->wiphy));
@@ -3152,8 +3165,8 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
 	}
 
 	printk(KERN_INFO "%s: 88w%u v%d, %pM, firmware version %u.%u.%u.%u\n",
-	       wiphy_name(hw->wiphy), priv->part_num, priv->hw_rev,
-	       hw->wiphy->perm_addr,
+	       wiphy_name(hw->wiphy), priv->device_info->part_num,
+	       priv->hw_rev, hw->wiphy->perm_addr,
 	       (priv->fw_rev >> 24) & 0xff, (priv->fw_rev >> 16) & 0xff,
 	       (priv->fw_rev >> 8) & 0xff, priv->fw_rev & 0xff);
 
@@ -3239,7 +3252,7 @@ static void __devexit mwl8k_remove(struct pci_dev *pdev)
 
 static struct pci_driver mwl8k_driver = {
 	.name		= MWL8K_NAME,
-	.id_table	= mwl8k_table,
+	.id_table	= mwl8k_pci_id_table,
 	.probe		= mwl8k_probe,
 	.remove		= __devexit_p(mwl8k_remove),
 	.shutdown	= __devexit_p(mwl8k_shutdown),
-- 
GitLab


From a74b295edb3e2b39d6c03255b24dca862a843c59 Mon Sep 17 00:00:00 2001
From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Thu, 22 Oct 2009 20:20:50 +0200
Subject: [PATCH 0998/1815] mwl8k: spell out the names of firmware images in
 the pci driver data

To allow use of a more flexible firmware file naming scheme.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwl8k.c | 43 ++++++++++++++++++------------------
 1 file changed, 22 insertions(+), 21 deletions(-)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index a582794495e..b0080ae98a8 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -81,7 +81,9 @@
 #define MWL8K_TX_QUEUES		4
 
 struct mwl8k_device_info {
-	int part_num;
+	char *part_name;
+	char *helper_image;
+	char *fw_image;
 };
 
 struct mwl8k_rx_queue {
@@ -113,11 +115,11 @@ struct mwl8k_tx_queue {
 
 /* Pointers to the firmware data and meta information about it.  */
 struct mwl8k_firmware {
-	/* Microcode */
-	struct firmware *ucode;
-
 	/* Boot helper code */
 	struct firmware *helper;
+
+	/* Microcode */
+	struct firmware *ucode;
 };
 
 struct mwl8k_priv {
@@ -356,26 +358,23 @@ static int mwl8k_request_fw(struct mwl8k_priv *priv,
 
 static int mwl8k_request_firmware(struct mwl8k_priv *priv)
 {
-	u8 filename[64];
+	struct mwl8k_device_info *di = priv->device_info;
 	int rc;
 
-	snprintf(filename, sizeof(filename),
-		 "mwl8k/helper_%u.fw", priv->device_info->part_num);
-
-	rc = mwl8k_request_fw(priv, filename, &priv->fw.helper);
-	if (rc) {
-		printk(KERN_ERR "%s: Error requesting helper firmware "
-		       "file %s\n", pci_name(priv->pdev), filename);
-		return rc;
+	if (di->helper_image != NULL) {
+		rc = mwl8k_request_fw(priv, di->helper_image, &priv->fw.helper);
+		if (rc) {
+			printk(KERN_ERR "%s: Error requesting helper "
+			       "firmware file %s\n", pci_name(priv->pdev),
+			       di->helper_image);
+			return rc;
+		}
 	}
 
-	snprintf(filename, sizeof(filename),
-		 "mwl8k/fmimage_%u.fw", priv->device_info->part_num);
-
-	rc = mwl8k_request_fw(priv, filename, &priv->fw.ucode);
+	rc = mwl8k_request_fw(priv, di->fw_image, &priv->fw.ucode);
 	if (rc) {
 		printk(KERN_ERR "%s: Error requesting firmware file %s\n",
-		       pci_name(priv->pdev), filename);
+		       pci_name(priv->pdev), di->fw_image);
 		mwl8k_release_fw(&priv->fw.helper);
 		return rc;
 	}
@@ -2938,7 +2937,9 @@ static void mwl8k_finalize_join_worker(struct work_struct *work)
 }
 
 static struct mwl8k_device_info di_8687 = {
-	.part_num	= 8687,
+	.part_name	= "88w8687",
+	.helper_image	= "mwl8k/helper_8687.fw",
+	.fw_image	= "mwl8k/fmimage_8687.fw",
 };
 
 static DEFINE_PCI_DEVICE_TABLE(mwl8k_pci_id_table) = {
@@ -3164,8 +3165,8 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
 		goto err_stop_firmware;
 	}
 
-	printk(KERN_INFO "%s: 88w%u v%d, %pM, firmware version %u.%u.%u.%u\n",
-	       wiphy_name(hw->wiphy), priv->device_info->part_num,
+	printk(KERN_INFO "%s: %s v%d, %pM, firmware version %u.%u.%u.%u\n",
+	       wiphy_name(hw->wiphy), priv->device_info->part_name,
 	       priv->hw_rev, hw->wiphy->perm_addr,
 	       (priv->fw_rev >> 24) & 0xff, (priv->fw_rev >> 16) & 0xff,
 	       (priv->fw_rev >> 8) & 0xff, priv->fw_rev & 0xff);
-- 
GitLab


From eae74e6545d995ab0baa8fb07309f714d9616293 Mon Sep 17 00:00:00 2001
From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Thu, 22 Oct 2009 20:20:53 +0200
Subject: [PATCH 0999/1815] mwl8k: handle loading AP firmware images

AP and STA firmware images provide a different signature in the
HIU_INT_CODE register after loading.  Record which of the signatures
we saw, as it determines which command sequences to use later on.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwl8k.c | 23 +++++++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index b0080ae98a8..8bec4652fda 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -130,6 +130,7 @@ struct mwl8k_priv {
 	struct pci_dev *pdev;
 
 	struct mwl8k_device_info *device_info;
+	bool ap_fw;
 
 	/* firmware files and meta data */
 	struct mwl8k_firmware fw;
@@ -534,6 +535,7 @@ static int mwl8k_load_firmware(struct ieee80211_hw *hw)
 {
 	struct mwl8k_priv *priv = hw->priv;
 	struct firmware *fw = priv->fw.ucode;
+	struct mwl8k_device_info *di = priv->device_info;
 	int rc;
 	int loops;
 
@@ -565,14 +567,26 @@ static int mwl8k_load_firmware(struct ieee80211_hw *hw)
 		return rc;
 	}
 
-	iowrite32(MWL8K_MODE_STA, priv->regs + MWL8K_HIU_GEN_PTR);
+	if (di->modes & BIT(NL80211_IFTYPE_AP))
+		iowrite32(MWL8K_MODE_AP, priv->regs + MWL8K_HIU_GEN_PTR);
+	else
+		iowrite32(MWL8K_MODE_STA, priv->regs + MWL8K_HIU_GEN_PTR);
 	msleep(1);
 
 	loops = 200000;
 	do {
-		if (ioread32(priv->regs + MWL8K_HIU_INT_CODE)
-						== MWL8K_FWSTA_READY)
+		u32 ready_code;
+
+		ready_code = ioread32(priv->regs + MWL8K_HIU_INT_CODE);
+		if (ready_code == MWL8K_FWAP_READY) {
+			priv->ap_fw = 1;
+			break;
+		} else if (ready_code == MWL8K_FWSTA_READY) {
+			priv->ap_fw = 0;
 			break;
+		}
+
+		cond_resched();
 		udelay(1);
 	} while (--loops);
 
@@ -3165,9 +3179,10 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
 		goto err_stop_firmware;
 	}
 
-	printk(KERN_INFO "%s: %s v%d, %pM, firmware version %u.%u.%u.%u\n",
+	printk(KERN_INFO "%s: %s v%d, %pM, %s firmware %u.%u.%u.%u\n",
 	       wiphy_name(hw->wiphy), priv->device_info->part_name,
 	       priv->hw_rev, hw->wiphy->perm_addr,
+	       priv->ap_fw ? "AP" : "STA",
 	       (priv->fw_rev >> 24) & 0xff, (priv->fw_rev >> 16) & 0xff,
 	       (priv->fw_rev >> 8) & 0xff, priv->fw_rev & 0xff);
 
-- 
GitLab


From 788838ebe8a4caca93a91982c7bbf393edf24c08 Mon Sep 17 00:00:00 2001
From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Thu, 22 Oct 2009 20:20:56 +0200
Subject: [PATCH 1000/1815] mwl8k: use pci_unmap_addr{,set}() to keep track of
 unmap addresses on rx

Instead of reading back the unmap address from the receive
descriptor when doing receive processing, use DECLARE_PCI_UNMAP_ADDR
and pci_unmap_addr{,set}() to keep track of these addresses.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwl8k.c | 55 ++++++++++++++++++++----------------
 1 file changed, 30 insertions(+), 25 deletions(-)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 8bec4652fda..49ae31b8b62 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -97,7 +97,10 @@ struct mwl8k_rx_queue {
 
 	struct mwl8k_rx_desc *rxd;
 	dma_addr_t rxd_dma;
-	struct sk_buff **skb;
+	struct {
+		struct sk_buff *skb;
+		DECLARE_PCI_UNMAP_ADDR(dma)
+	} *buf;
 };
 
 struct mwl8k_tx_queue {
@@ -791,14 +794,14 @@ static int mwl8k_rxq_init(struct ieee80211_hw *hw, int index)
 	}
 	memset(rxq->rxd, 0, size);
 
-	rxq->skb = kmalloc(MWL8K_RX_DESCS * sizeof(*rxq->skb), GFP_KERNEL);
-	if (rxq->skb == NULL) {
+	rxq->buf = kmalloc(MWL8K_RX_DESCS * sizeof(*rxq->buf), GFP_KERNEL);
+	if (rxq->buf == NULL) {
 		printk(KERN_ERR "%s: failed to alloc RX skbuff list\n",
 		       wiphy_name(hw->wiphy));
 		pci_free_consistent(priv->pdev, size, rxq->rxd, rxq->rxd_dma);
 		return -ENOMEM;
 	}
-	memset(rxq->skb, 0, MWL8K_RX_DESCS * sizeof(*rxq->skb));
+	memset(rxq->buf, 0, MWL8K_RX_DESCS * sizeof(*rxq->buf));
 
 	for (i = 0; i < MWL8K_RX_DESCS; i++) {
 		struct mwl8k_rx_desc *rx_desc;
@@ -824,6 +827,7 @@ static int rxq_refill(struct ieee80211_hw *hw, int index, int limit)
 	refilled = 0;
 	while (rxq->rxd_count < MWL8K_RX_DESCS && limit--) {
 		struct sk_buff *skb;
+		dma_addr_t addr;
 		int rx;
 
 		skb = dev_alloc_skb(MWL8K_RX_MAXSZ);
@@ -835,12 +839,13 @@ static int rxq_refill(struct ieee80211_hw *hw, int index, int limit)
 		rx = rxq->tail;
 		rxq->tail = (rx + 1) % MWL8K_RX_DESCS;
 
-		rxq->rxd[rx].pkt_phys_addr =
-			cpu_to_le32(pci_map_single(priv->pdev, skb->data,
-					MWL8K_RX_MAXSZ, DMA_FROM_DEVICE));
+		addr = pci_map_single(priv->pdev, skb->data,
+				      MWL8K_RX_MAXSZ, DMA_FROM_DEVICE);
 
 		rxq->rxd[rx].pkt_len = cpu_to_le16(MWL8K_RX_MAXSZ);
-		rxq->skb[rx] = skb;
+		rxq->rxd[rx].pkt_phys_addr = cpu_to_le32(addr);
+		rxq->buf[rx].skb = skb;
+		pci_unmap_addr_set(&rxq->buf[rx], dma, addr);
 		wmb();
 		rxq->rxd[rx].rx_ctrl = 0;
 
@@ -858,19 +863,19 @@ static void mwl8k_rxq_deinit(struct ieee80211_hw *hw, int index)
 	int i;
 
 	for (i = 0; i < MWL8K_RX_DESCS; i++) {
-		if (rxq->skb[i] != NULL) {
-			unsigned long addr;
-
-			addr = le32_to_cpu(rxq->rxd[i].pkt_phys_addr);
-			pci_unmap_single(priv->pdev, addr, MWL8K_RX_MAXSZ,
-					 PCI_DMA_FROMDEVICE);
-			kfree_skb(rxq->skb[i]);
-			rxq->skb[i] = NULL;
+		if (rxq->buf[i].skb != NULL) {
+			pci_unmap_single(priv->pdev,
+					 pci_unmap_addr(&rxq->buf[i], dma),
+					 MWL8K_RX_MAXSZ, PCI_DMA_FROMDEVICE);
+			pci_unmap_addr_set(&rxq->buf[i], dma, 0);
+
+			kfree_skb(rxq->buf[i].skb);
+			rxq->buf[i].skb = NULL;
 		}
 	}
 
-	kfree(rxq->skb);
-	rxq->skb = NULL;
+	kfree(rxq->buf);
+	rxq->buf = NULL;
 
 	pci_free_consistent(priv->pdev,
 			    MWL8K_RX_DESCS * sizeof(struct mwl8k_rx_desc),
@@ -920,7 +925,6 @@ static int rxq_process(struct ieee80211_hw *hw, int index, int limit)
 		struct mwl8k_rx_desc *rx_desc;
 		struct sk_buff *skb;
 		struct ieee80211_rx_status status;
-		unsigned long addr;
 		struct ieee80211_hdr *wh;
 		u16 rate_info;
 
@@ -929,18 +933,19 @@ static int rxq_process(struct ieee80211_hw *hw, int index, int limit)
 			break;
 		rmb();
 
-		skb = rxq->skb[rxq->head];
+		skb = rxq->buf[rxq->head].skb;
 		if (skb == NULL)
 			break;
-		rxq->skb[rxq->head] = NULL;
+		rxq->buf[rxq->head].skb = NULL;
+
+		pci_unmap_single(priv->pdev,
+				 pci_unmap_addr(&rxq->buf[rxq->head], dma),
+				 MWL8K_RX_MAXSZ, PCI_DMA_FROMDEVICE);
+		pci_unmap_addr_set(&rxq->buf[rxq->head], dma, 0);
 
 		rxq->head = (rxq->head + 1) % MWL8K_RX_DESCS;
 		rxq->rxd_count--;
 
-		addr = le32_to_cpu(rx_desc->pkt_phys_addr);
-		pci_unmap_single(priv->pdev, addr,
-					MWL8K_RX_MAXSZ, PCI_DMA_FROMDEVICE);
-
 		skb_put(skb, le16_to_cpu(rx_desc->pkt_len));
 		mwl8k_remove_dma_header(skb);
 
-- 
GitLab


From 54bc3a0d7a0c9a13da31183609c42cf7786138e1 Mon Sep 17 00:00:00 2001
From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Thu, 22 Oct 2009 20:20:59 +0200
Subject: [PATCH 1001/1815] mwl8k: allow for different receive descriptor
 formats

As the receive descriptor format is determined by the firmware running
on the hardware and not by the hardware itself, and as these
descriptor formats vary a bit between different firmware releases,
abstract out the receive descriptor init/refill/process methods, and
allow choosing between different formats at run time depending on the
chip and firmware we're running on.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwl8k.c | 180 +++++++++++++++++++++++------------
 1 file changed, 119 insertions(+), 61 deletions(-)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 49ae31b8b62..c9a4c1e1987 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -80,10 +80,18 @@
 #define MWL8K_RX_QUEUES		1
 #define MWL8K_TX_QUEUES		4
 
+struct rxd_ops {
+	int rxd_size;
+	void (*rxd_init)(void *rxd, dma_addr_t next_dma_addr);
+	void (*rxd_refill)(void *rxd, dma_addr_t addr, int len);
+	int (*rxd_process)(void *rxd, struct ieee80211_rx_status *status);
+};
+
 struct mwl8k_device_info {
 	char *part_name;
 	char *helper_image;
 	char *fw_image;
+	struct rxd_ops *rxd_ops;
 };
 
 struct mwl8k_rx_queue {
@@ -95,7 +103,7 @@ struct mwl8k_rx_queue {
 	/* refill descs here */
 	int tail;
 
-	struct mwl8k_rx_desc *rxd;
+	void *rxd;
 	dma_addr_t rxd_dma;
 	struct {
 		struct sk_buff *skb;
@@ -134,6 +142,7 @@ struct mwl8k_priv {
 
 	struct mwl8k_device_info *device_info;
 	bool ap_fw;
+	struct rxd_ops *rxd_ops;
 
 	/* firmware files and meta data */
 	struct mwl8k_firmware fw;
@@ -744,9 +753,7 @@ static inline void mwl8k_add_dma_header(struct sk_buff *skb)
 /*
  * Packet reception.
  */
-#define MWL8K_RX_CTRL_OWNED_BY_HOST	0x02
-
-struct mwl8k_rx_desc {
+struct mwl8k_rxd_8687 {
 	__le16 pkt_len;
 	__u8 link_quality;
 	__u8 noise_level;
@@ -763,16 +770,79 @@ struct mwl8k_rx_desc {
 	__u8 pad2[2];
 } __attribute__((packed));
 
+#define MWL8K_8687_RATE_INFO_SHORTPRE		0x8000
+#define MWL8K_8687_RATE_INFO_ANTSELECT(x)	(((x) >> 11) & 0x3)
+#define MWL8K_8687_RATE_INFO_RATEID(x)		(((x) >> 3) & 0x3f)
+#define MWL8K_8687_RATE_INFO_40MHZ		0x0004
+#define MWL8K_8687_RATE_INFO_SHORTGI		0x0002
+#define MWL8K_8687_RATE_INFO_MCS_FORMAT		0x0001
+
+#define MWL8K_8687_RX_CTRL_OWNED_BY_HOST	0x02
+
+static void mwl8k_rxd_8687_init(void *_rxd, dma_addr_t next_dma_addr)
+{
+	struct mwl8k_rxd_8687 *rxd = _rxd;
+
+	rxd->next_rxd_phys_addr = cpu_to_le32(next_dma_addr);
+	rxd->rx_ctrl = MWL8K_8687_RX_CTRL_OWNED_BY_HOST;
+}
+
+static void mwl8k_rxd_8687_refill(void *_rxd, dma_addr_t addr, int len)
+{
+	struct mwl8k_rxd_8687 *rxd = _rxd;
+
+	rxd->pkt_len = cpu_to_le16(len);
+	rxd->pkt_phys_addr = cpu_to_le32(addr);
+	wmb();
+	rxd->rx_ctrl = 0;
+}
+
+static int
+mwl8k_rxd_8687_process(void *_rxd, struct ieee80211_rx_status *status)
+{
+	struct mwl8k_rxd_8687 *rxd = _rxd;
+	u16 rate_info;
+
+	if (!(rxd->rx_ctrl & MWL8K_8687_RX_CTRL_OWNED_BY_HOST))
+		return -1;
+	rmb();
+
+	rate_info = le16_to_cpu(rxd->rate_info);
+
+	memset(status, 0, sizeof(*status));
+
+	status->signal = -rxd->rssi;
+	status->noise = -rxd->noise_level;
+	status->qual = rxd->link_quality;
+	status->antenna = MWL8K_8687_RATE_INFO_ANTSELECT(rate_info);
+	status->rate_idx = MWL8K_8687_RATE_INFO_RATEID(rate_info);
+
+	if (rate_info & MWL8K_8687_RATE_INFO_SHORTPRE)
+		status->flag |= RX_FLAG_SHORTPRE;
+	if (rate_info & MWL8K_8687_RATE_INFO_40MHZ)
+		status->flag |= RX_FLAG_40MHZ;
+	if (rate_info & MWL8K_8687_RATE_INFO_SHORTGI)
+		status->flag |= RX_FLAG_SHORT_GI;
+	if (rate_info & MWL8K_8687_RATE_INFO_MCS_FORMAT)
+		status->flag |= RX_FLAG_HT;
+
+	status->band = IEEE80211_BAND_2GHZ;
+	status->freq = ieee80211_channel_to_frequency(rxd->channel);
+
+	return le16_to_cpu(rxd->pkt_len);
+}
+
+static struct rxd_ops rxd_8687_ops = {
+	.rxd_size	= sizeof(struct mwl8k_rxd_8687),
+	.rxd_init	= mwl8k_rxd_8687_init,
+	.rxd_refill	= mwl8k_rxd_8687_refill,
+	.rxd_process	= mwl8k_rxd_8687_process,
+};
+
+
 #define MWL8K_RX_DESCS		256
 #define MWL8K_RX_MAXSZ		3800
 
-#define RATE_INFO_SHORTPRE		0x8000
-#define RATE_INFO_ANTSELECT(x)		(((x) >> 11) & 0x3)
-#define RATE_INFO_RATEID(x)		(((x) >> 3) & 0x3f)
-#define RATE_INFO_40MHZ			0x0004
-#define RATE_INFO_SHORTGI		0x0002
-#define RATE_INFO_MCS_FORMAT		0x0001
-
 static int mwl8k_rxq_init(struct ieee80211_hw *hw, int index)
 {
 	struct mwl8k_priv *priv = hw->priv;
@@ -784,7 +854,7 @@ static int mwl8k_rxq_init(struct ieee80211_hw *hw, int index)
 	rxq->head = 0;
 	rxq->tail = 0;
 
-	size = MWL8K_RX_DESCS * sizeof(struct mwl8k_rx_desc);
+	size = MWL8K_RX_DESCS * priv->rxd_ops->rxd_size;
 
 	rxq->rxd = pci_alloc_consistent(priv->pdev, size, &rxq->rxd_dma);
 	if (rxq->rxd == NULL) {
@@ -804,15 +874,20 @@ static int mwl8k_rxq_init(struct ieee80211_hw *hw, int index)
 	memset(rxq->buf, 0, MWL8K_RX_DESCS * sizeof(*rxq->buf));
 
 	for (i = 0; i < MWL8K_RX_DESCS; i++) {
-		struct mwl8k_rx_desc *rx_desc;
+		int desc_size;
+		void *rxd;
 		int nexti;
+		dma_addr_t next_dma_addr;
+
+		desc_size = priv->rxd_ops->rxd_size;
+		rxd = rxq->rxd + (i * priv->rxd_ops->rxd_size);
 
-		rx_desc = rxq->rxd + i;
-		nexti = (i + 1) % MWL8K_RX_DESCS;
+		nexti = i + 1;
+		if (nexti == MWL8K_RX_DESCS)
+			nexti = 0;
+		next_dma_addr = rxq->rxd_dma + (nexti * desc_size);
 
-		rx_desc->next_rxd_phys_addr =
-			cpu_to_le32(rxq->rxd_dma + nexti * sizeof(*rx_desc));
-		rx_desc->rx_ctrl = MWL8K_RX_CTRL_OWNED_BY_HOST;
+		priv->rxd_ops->rxd_init(rxd, next_dma_addr);
 	}
 
 	return 0;
@@ -829,25 +904,24 @@ static int rxq_refill(struct ieee80211_hw *hw, int index, int limit)
 		struct sk_buff *skb;
 		dma_addr_t addr;
 		int rx;
+		void *rxd;
 
 		skb = dev_alloc_skb(MWL8K_RX_MAXSZ);
 		if (skb == NULL)
 			break;
 
-		rxq->rxd_count++;
-
-		rx = rxq->tail;
-		rxq->tail = (rx + 1) % MWL8K_RX_DESCS;
-
 		addr = pci_map_single(priv->pdev, skb->data,
 				      MWL8K_RX_MAXSZ, DMA_FROM_DEVICE);
 
-		rxq->rxd[rx].pkt_len = cpu_to_le16(MWL8K_RX_MAXSZ);
-		rxq->rxd[rx].pkt_phys_addr = cpu_to_le32(addr);
+		rxq->rxd_count++;
+		rx = rxq->tail++;
+		if (rxq->tail == MWL8K_RX_DESCS)
+			rxq->tail = 0;
 		rxq->buf[rx].skb = skb;
 		pci_unmap_addr_set(&rxq->buf[rx], dma, addr);
-		wmb();
-		rxq->rxd[rx].rx_ctrl = 0;
+
+		rxd = rxq->rxd + (rx * priv->rxd_ops->rxd_size);
+		priv->rxd_ops->rxd_refill(rxd, addr, MWL8K_RX_MAXSZ);
 
 		refilled++;
 	}
@@ -878,7 +952,7 @@ static void mwl8k_rxq_deinit(struct ieee80211_hw *hw, int index)
 	rxq->buf = NULL;
 
 	pci_free_consistent(priv->pdev,
-			    MWL8K_RX_DESCS * sizeof(struct mwl8k_rx_desc),
+			    MWL8K_RX_DESCS * priv->rxd_ops->rxd_size,
 			    rxq->rxd, rxq->rxd_dma);
 	rxq->rxd = NULL;
 }
@@ -922,20 +996,21 @@ static int rxq_process(struct ieee80211_hw *hw, int index, int limit)
 
 	processed = 0;
 	while (rxq->rxd_count && limit--) {
-		struct mwl8k_rx_desc *rx_desc;
 		struct sk_buff *skb;
+		void *rxd;
+		int pkt_len;
 		struct ieee80211_rx_status status;
-		struct ieee80211_hdr *wh;
-		u16 rate_info;
-
-		rx_desc = rxq->rxd + rxq->head;
-		if (!(rx_desc->rx_ctrl & MWL8K_RX_CTRL_OWNED_BY_HOST))
-			break;
-		rmb();
 
 		skb = rxq->buf[rxq->head].skb;
 		if (skb == NULL)
 			break;
+
+		rxd = rxq->rxd + (rxq->head * priv->rxd_ops->rxd_size);
+
+		pkt_len = priv->rxd_ops->rxd_process(rxd, &status);
+		if (pkt_len < 0)
+			break;
+
 		rxq->buf[rxq->head].skb = NULL;
 
 		pci_unmap_single(priv->pdev,
@@ -943,42 +1018,23 @@ static int rxq_process(struct ieee80211_hw *hw, int index, int limit)
 				 MWL8K_RX_MAXSZ, PCI_DMA_FROMDEVICE);
 		pci_unmap_addr_set(&rxq->buf[rxq->head], dma, 0);
 
-		rxq->head = (rxq->head + 1) % MWL8K_RX_DESCS;
+		rxq->head++;
+		if (rxq->head == MWL8K_RX_DESCS)
+			rxq->head = 0;
+
 		rxq->rxd_count--;
 
-		skb_put(skb, le16_to_cpu(rx_desc->pkt_len));
+		skb_put(skb, pkt_len);
 		mwl8k_remove_dma_header(skb);
 
-		wh = (struct ieee80211_hdr *)skb->data;
-
 		/*
 		 * Check for a pending join operation.  Save a
 		 * copy of the beacon and schedule a tasklet to
 		 * send a FINALIZE_JOIN command to the firmware.
 		 */
-		if (mwl8k_capture_bssid(priv, wh))
+		if (mwl8k_capture_bssid(priv, (void *)skb->data))
 			mwl8k_save_beacon(hw, skb);
 
-		rate_info = le16_to_cpu(rx_desc->rate_info);
-
-		memset(&status, 0, sizeof(status));
-		status.mactime = 0;
-		status.signal = -rx_desc->rssi;
-		status.noise = -rx_desc->noise_level;
-		status.qual = rx_desc->link_quality;
-		status.antenna = RATE_INFO_ANTSELECT(rate_info);
-		status.rate_idx = RATE_INFO_RATEID(rate_info);
-		status.flag = 0;
-		if (rate_info & RATE_INFO_SHORTPRE)
-			status.flag |= RX_FLAG_SHORTPRE;
-		if (rate_info & RATE_INFO_40MHZ)
-			status.flag |= RX_FLAG_40MHZ;
-		if (rate_info & RATE_INFO_SHORTGI)
-			status.flag |= RX_FLAG_SHORT_GI;
-		if (rate_info & RATE_INFO_MCS_FORMAT)
-			status.flag |= RX_FLAG_HT;
-		status.band = IEEE80211_BAND_2GHZ;
-		status.freq = ieee80211_channel_to_frequency(rx_desc->channel);
 		memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status));
 		ieee80211_rx_irqsafe(hw, skb);
 
@@ -2959,6 +3015,7 @@ static struct mwl8k_device_info di_8687 = {
 	.part_name	= "88w8687",
 	.helper_image	= "mwl8k/helper_8687.fw",
 	.fw_image	= "mwl8k/fmimage_8687.fw",
+	.rxd_ops	= &rxd_8687_ops,
 };
 
 static DEFINE_PCI_DEVICE_TABLE(mwl8k_pci_id_table) = {
@@ -3014,6 +3071,7 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
 	priv->hw = hw;
 	priv->pdev = pdev;
 	priv->device_info = (void *)id->driver_data;
+	priv->rxd_ops = priv->device_info->rxd_ops;
 	priv->sniffer_enabled = false;
 	priv->wmm_enabled = false;
 	priv->pending_tx_pkts = 0;
-- 
GitLab


From 547810e3af15cf9efc3b3ebaa7b006ef606fc892 Mon Sep 17 00:00:00 2001
From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Thu, 22 Oct 2009 20:21:02 +0200
Subject: [PATCH 1002/1815] mwl8k: set ->interface_modes from the driver data

As different chip/firmware combinations support different
interface types.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwl8k.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index c9a4c1e1987..11669ed8829 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -92,6 +92,7 @@ struct mwl8k_device_info {
 	char *helper_image;
 	char *fw_image;
 	struct rxd_ops *rxd_ops;
+	u16 modes;
 };
 
 struct mwl8k_rx_queue {
@@ -3016,6 +3017,7 @@ static struct mwl8k_device_info di_8687 = {
 	.helper_image	= "mwl8k/helper_8687.fw",
 	.fw_image	= "mwl8k/fmimage_8687.fw",
 	.rxd_ops	= &rxd_8687_ops,
+	.modes		= BIT(NL80211_IFTYPE_STATION),
 };
 
 static DEFINE_PCI_DEVICE_TABLE(mwl8k_pci_id_table) = {
@@ -3122,7 +3124,7 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
 
 	hw->queues = MWL8K_TX_QUEUES;
 
-	hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
+	hw->wiphy->interface_modes = priv->device_info->modes;
 
 	/* Set rssi and noise values to dBm */
 	hw->flags |= IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_NOISE_DBM;
-- 
GitLab


From 04b147b19303724aac5ee8e56f113f1935a5c255 Mon Sep 17 00:00:00 2001
From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Thu, 22 Oct 2009 20:21:05 +0200
Subject: [PATCH 1003/1815] mwl8k: rename mwl8k_cmd_get_hw_spec() to
 mwl8k_cmd_get_hw_spec_sta()

As the AP version of the command uses a different format.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwl8k.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 11669ed8829..90bf19cb6bf 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -1538,9 +1538,9 @@ static int mwl8k_post_cmd(struct ieee80211_hw *hw, struct mwl8k_cmd_pkt *cmd)
 }
 
 /*
- * GET_HW_SPEC.
+ * CMD_GET_HW_SPEC (STA version).
  */
-struct mwl8k_cmd_get_hw_spec {
+struct mwl8k_cmd_get_hw_spec_sta {
 	struct mwl8k_cmd_pkt header;
 	__u8 hw_rev;
 	__u8 host_interface;
@@ -1559,10 +1559,10 @@ struct mwl8k_cmd_get_hw_spec {
 	__le32 total_rxd;
 } __attribute__((packed));
 
-static int mwl8k_cmd_get_hw_spec(struct ieee80211_hw *hw)
+static int mwl8k_cmd_get_hw_spec_sta(struct ieee80211_hw *hw)
 {
 	struct mwl8k_priv *priv = hw->priv;
-	struct mwl8k_cmd_get_hw_spec *cmd;
+	struct mwl8k_cmd_get_hw_spec_sta *cmd;
 	int rc;
 	int i;
 
@@ -3211,7 +3211,7 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
 	iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
 
 	/* Get config data, mac addrs etc */
-	rc = mwl8k_cmd_get_hw_spec(hw);
+	rc = mwl8k_cmd_get_hw_spec_sta(hw);
 	if (rc) {
 		printk(KERN_ERR "%s: Cannot initialise firmware\n",
 		       wiphy_name(hw->wiphy));
-- 
GitLab


From 42fba21d56df644887488a29b158cc8916b9ba99 Mon Sep 17 00:00:00 2001
From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Thu, 22 Oct 2009 20:21:30 +0200
Subject: [PATCH 1004/1815] mwl8k: add the commands used for AP firmware
 initialisation

Add the AP version of the GET_HW_SPEC command, as well as the
SET_HW_SPEC command, for initialising AP firmware.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwl8k.c | 133 ++++++++++++++++++++++++++++++++++-
 1 file changed, 132 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 90bf19cb6bf..9b9ce7005da 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -275,6 +275,7 @@ static const struct ieee80211_rate mwl8k_rates[] = {
 /* Firmware command codes */
 #define MWL8K_CMD_CODE_DNLD		0x0001
 #define MWL8K_CMD_GET_HW_SPEC		0x0003
+#define MWL8K_CMD_SET_HW_SPEC		0x0004
 #define MWL8K_CMD_MAC_MULTICAST_ADR	0x0010
 #define MWL8K_CMD_GET_STAT		0x0014
 #define MWL8K_CMD_RADIO_CONTROL		0x001c
@@ -305,6 +306,7 @@ static const char *mwl8k_cmd_name(u16 cmd, char *buf, int bufsize)
 	switch (cmd & ~0x8000) {
 		MWL8K_CMDNAME(CODE_DNLD);
 		MWL8K_CMDNAME(GET_HW_SPEC);
+		MWL8K_CMDNAME(SET_HW_SPEC);
 		MWL8K_CMDNAME(MAC_MULTICAST_ADR);
 		MWL8K_CMDNAME(GET_STAT);
 		MWL8K_CMDNAME(RADIO_CONTROL);
@@ -1595,6 +1597,129 @@ static int mwl8k_cmd_get_hw_spec_sta(struct ieee80211_hw *hw)
 	return rc;
 }
 
+/*
+ * CMD_GET_HW_SPEC (AP version).
+ */
+struct mwl8k_cmd_get_hw_spec_ap {
+	struct mwl8k_cmd_pkt header;
+	__u8 hw_rev;
+	__u8 host_interface;
+	__le16 num_wcb;
+	__le16 num_mcaddrs;
+	__u8 perm_addr[ETH_ALEN];
+	__le16 region_code;
+	__le16 num_antenna;
+	__le32 fw_rev;
+	__le32 wcbbase0;
+	__le32 rxwrptr;
+	__le32 rxrdptr;
+	__le32 ps_cookie;
+	__le32 wcbbase1;
+	__le32 wcbbase2;
+	__le32 wcbbase3;
+} __attribute__((packed));
+
+static int mwl8k_cmd_get_hw_spec_ap(struct ieee80211_hw *hw)
+{
+	struct mwl8k_priv *priv = hw->priv;
+	struct mwl8k_cmd_get_hw_spec_ap *cmd;
+	int rc;
+
+	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+	if (cmd == NULL)
+		return -ENOMEM;
+
+	cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_HW_SPEC);
+	cmd->header.length = cpu_to_le16(sizeof(*cmd));
+
+	memset(cmd->perm_addr, 0xff, sizeof(cmd->perm_addr));
+	cmd->ps_cookie = cpu_to_le32(priv->cookie_dma);
+
+	rc = mwl8k_post_cmd(hw, &cmd->header);
+
+	if (!rc) {
+		int off;
+
+		SET_IEEE80211_PERM_ADDR(hw, cmd->perm_addr);
+		priv->num_mcaddrs = le16_to_cpu(cmd->num_mcaddrs);
+		priv->fw_rev = le32_to_cpu(cmd->fw_rev);
+		priv->hw_rev = cmd->hw_rev;
+
+		off = le32_to_cpu(cmd->wcbbase0) & 0xffff;
+		iowrite32(cpu_to_le32(priv->txq[0].txd_dma), priv->sram + off);
+
+		off = le32_to_cpu(cmd->rxwrptr) & 0xffff;
+		iowrite32(cpu_to_le32(priv->rxq[0].rxd_dma), priv->sram + off);
+
+		off = le32_to_cpu(cmd->rxrdptr) & 0xffff;
+		iowrite32(cpu_to_le32(priv->rxq[0].rxd_dma), priv->sram + off);
+
+		off = le32_to_cpu(cmd->wcbbase1) & 0xffff;
+		iowrite32(cpu_to_le32(priv->txq[1].txd_dma), priv->sram + off);
+
+		off = le32_to_cpu(cmd->wcbbase2) & 0xffff;
+		iowrite32(cpu_to_le32(priv->txq[2].txd_dma), priv->sram + off);
+
+		off = le32_to_cpu(cmd->wcbbase3) & 0xffff;
+		iowrite32(cpu_to_le32(priv->txq[3].txd_dma), priv->sram + off);
+	}
+
+	kfree(cmd);
+	return rc;
+}
+
+/*
+ * CMD_SET_HW_SPEC.
+ */
+struct mwl8k_cmd_set_hw_spec {
+	struct mwl8k_cmd_pkt header;
+	__u8 hw_rev;
+	__u8 host_interface;
+	__le16 num_mcaddrs;
+	__u8 perm_addr[ETH_ALEN];
+	__le16 region_code;
+	__le32 fw_rev;
+	__le32 ps_cookie;
+	__le32 caps;
+	__le32 rx_queue_ptr;
+	__le32 num_tx_queues;
+	__le32 tx_queue_ptrs[MWL8K_TX_QUEUES];
+	__le32 flags;
+	__le32 num_tx_desc_per_queue;
+	__le32 total_rxd;
+} __attribute__((packed));
+
+#define MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT	0x00000080
+
+static int mwl8k_cmd_set_hw_spec(struct ieee80211_hw *hw)
+{
+	struct mwl8k_priv *priv = hw->priv;
+	struct mwl8k_cmd_set_hw_spec *cmd;
+	int rc;
+	int i;
+
+	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+	if (cmd == NULL)
+		return -ENOMEM;
+
+	cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_HW_SPEC);
+	cmd->header.length = cpu_to_le16(sizeof(*cmd));
+
+	cmd->ps_cookie = cpu_to_le32(priv->cookie_dma);
+	cmd->rx_queue_ptr = cpu_to_le32(priv->rxq[0].rxd_dma);
+	cmd->num_tx_queues = cpu_to_le32(MWL8K_TX_QUEUES);
+	for (i = 0; i < MWL8K_TX_QUEUES; i++)
+		cmd->tx_queue_ptrs[i] = cpu_to_le32(priv->txq[i].txd_dma);
+	cmd->flags = cpu_to_le32(MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT);
+	cmd->num_tx_desc_per_queue = cpu_to_le32(MWL8K_TX_DESCS);
+	cmd->total_rxd = cpu_to_le32(MWL8K_RX_DESCS);
+
+	rc = mwl8k_post_cmd(hw, &cmd->header);
+	kfree(cmd);
+
+	return rc;
+}
+
 /*
  * CMD_MAC_MULTICAST_ADR.
  */
@@ -3211,7 +3336,13 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
 	iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK);
 
 	/* Get config data, mac addrs etc */
-	rc = mwl8k_cmd_get_hw_spec_sta(hw);
+	if (priv->ap_fw) {
+		rc = mwl8k_cmd_get_hw_spec_ap(hw);
+		if (!rc)
+			rc = mwl8k_cmd_set_hw_spec(hw);
+	} else {
+		rc = mwl8k_cmd_get_hw_spec_sta(hw);
+	}
 	if (rc) {
 		printk(KERN_ERR "%s: Cannot initialise firmware\n",
 		       wiphy_name(hw->wiphy));
-- 
GitLab


From 08b063477e45cb366df7204cbcdc79ff86513ef9 Mon Sep 17 00:00:00 2001
From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Thu, 22 Oct 2009 20:21:33 +0200
Subject: [PATCH 1005/1815] mwl8k: implement AP firmware antenna configuration

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwl8k.c | 44 ++++++++++++++++++++++++++++++++++--
 1 file changed, 42 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 9b9ce7005da..59219fdb342 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -280,6 +280,7 @@ static const struct ieee80211_rate mwl8k_rates[] = {
 #define MWL8K_CMD_GET_STAT		0x0014
 #define MWL8K_CMD_RADIO_CONTROL		0x001c
 #define MWL8K_CMD_RF_TX_POWER		0x001e
+#define MWL8K_CMD_RF_ANTENNA		0x0020
 #define MWL8K_CMD_SET_PRE_SCAN		0x0107
 #define MWL8K_CMD_SET_POST_SCAN		0x0108
 #define MWL8K_CMD_SET_RF_CHANNEL	0x010a
@@ -311,6 +312,7 @@ static const char *mwl8k_cmd_name(u16 cmd, char *buf, int bufsize)
 		MWL8K_CMDNAME(GET_STAT);
 		MWL8K_CMDNAME(RADIO_CONTROL);
 		MWL8K_CMDNAME(RF_TX_POWER);
+		MWL8K_CMDNAME(RF_ANTENNA);
 		MWL8K_CMDNAME(SET_PRE_SCAN);
 		MWL8K_CMDNAME(SET_POST_SCAN);
 		MWL8K_CMDNAME(SET_RF_CHANNEL);
@@ -1918,6 +1920,39 @@ static int mwl8k_cmd_802_11_rf_tx_power(struct ieee80211_hw *hw, int dBm)
 	return rc;
 }
 
+/*
+ * CMD_RF_ANTENNA.
+ */
+struct mwl8k_cmd_rf_antenna {
+	struct mwl8k_cmd_pkt header;
+	__le16 antenna;
+	__le16 mode;
+} __attribute__((packed));
+
+#define MWL8K_RF_ANTENNA_RX		1
+#define MWL8K_RF_ANTENNA_TX		2
+
+static int
+mwl8k_cmd_rf_antenna(struct ieee80211_hw *hw, int antenna, int mask)
+{
+	struct mwl8k_cmd_rf_antenna *cmd;
+	int rc;
+
+	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+	if (cmd == NULL)
+		return -ENOMEM;
+
+	cmd->header.code = cpu_to_le16(MWL8K_CMD_RF_ANTENNA);
+	cmd->header.length = cpu_to_le16(sizeof(*cmd));
+	cmd->antenna = cpu_to_le16(antenna);
+	cmd->mode = cpu_to_le16(mask);
+
+	rc = mwl8k_post_cmd(hw, &cmd->header);
+	kfree(cmd);
+
+	return rc;
+}
+
 /*
  * CMD_SET_PRE_SCAN.
  */
@@ -2832,8 +2867,13 @@ static int mwl8k_config(struct ieee80211_hw *hw, u32 changed)
 	if (rc)
 		goto out;
 
-	if (mwl8k_cmd_mimo_config(hw, 0x7, 0x7))
-		rc = -EINVAL;
+	if (priv->ap_fw) {
+		rc = mwl8k_cmd_rf_antenna(hw, MWL8K_RF_ANTENNA_RX, 0x7);
+		if (!rc)
+			rc = mwl8k_cmd_rf_antenna(hw, MWL8K_RF_ANTENNA_TX, 0x7);
+	} else {
+		rc = mwl8k_cmd_mimo_config(hw, 0x7, 0x7);
+	}
 
 out:
 	mwl8k_fw_unlock(hw);
-- 
GitLab


From c0adae2caa1a152c6ec691c5d1e815e47dac2a0c Mon Sep 17 00:00:00 2001
From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Thu, 22 Oct 2009 20:21:36 +0200
Subject: [PATCH 1006/1815] mwl8k: add AP firmware handling to
 ->configure_filter()

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwl8k.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 59219fdb342..19c6bea1bc4 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -3013,6 +3013,16 @@ static void mwl8k_configure_filter(struct ieee80211_hw *hw,
 	struct mwl8k_priv *priv = hw->priv;
 	struct mwl8k_cmd_pkt *cmd = (void *)(unsigned long)multicast;
 
+	/*
+	 * AP firmware doesn't allow fine-grained control over
+	 * the receive filter.
+	 */
+	if (priv->ap_fw) {
+		*total_flags &= FIF_ALLMULTI | FIF_BCN_PRBRESP_PROMISC;
+		kfree(cmd);
+		return;
+	}
+
 	/*
 	 * Enable hardware sniffer mode if FIF_CONTROL or
 	 * FIF_OTHER_BSS is requested.
-- 
GitLab


From 5e4cf166f4a9801ea9ca1bab210d763d27538de6 Mon Sep 17 00:00:00 2001
From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Thu, 22 Oct 2009 20:21:38 +0200
Subject: [PATCH 1007/1815] mwl8k: add AP firmware handling to ->start()

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwl8k.c | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 19c6bea1bc4..1c4114f8d31 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -2713,12 +2713,17 @@ static int mwl8k_start(struct ieee80211_hw *hw)
 	if (!rc) {
 		rc = mwl8k_cmd_802_11_radio_enable(hw);
 
-		if (!rc)
-			rc = mwl8k_cmd_set_pre_scan(hw);
+		if (!priv->ap_fw) {
+			if (!rc)
+				rc = mwl8k_enable_sniffer(hw, 0);
 
-		if (!rc)
-			rc = mwl8k_cmd_set_post_scan(hw,
-					"\x00\x00\x00\x00\x00\x00");
+			if (!rc)
+				rc = mwl8k_cmd_set_pre_scan(hw);
+
+			if (!rc)
+				rc = mwl8k_cmd_set_post_scan(hw,
+						"\x00\x00\x00\x00\x00\x00");
+		}
 
 		if (!rc)
 			rc = mwl8k_cmd_setrateadaptmode(hw, 0);
@@ -2726,9 +2731,6 @@ static int mwl8k_start(struct ieee80211_hw *hw)
 		if (!rc)
 			rc = mwl8k_set_wmm(hw, 0);
 
-		if (!rc)
-			rc = mwl8k_enable_sniffer(hw, 0);
-
 		mwl8k_fw_unlock(hw);
 	}
 
-- 
GitLab


From 259a8e7ddd55485b4a75ec39bc6716745c08fce0 Mon Sep 17 00:00:00 2001
From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Thu, 22 Oct 2009 20:21:40 +0200
Subject: [PATCH 1008/1815] mwl8k: add AP firmware (mbss) handling to
 mwl8k_set_mac_addr()

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwl8k.c | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 1c4114f8d31..4ee68f7d20f 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -2135,11 +2135,18 @@ static int mwl8k_enable_sniffer(struct ieee80211_hw *hw, bool enable)
  */
 struct mwl8k_cmd_set_mac_addr {
 	struct mwl8k_cmd_pkt header;
-	__u8 mac_addr[ETH_ALEN];
+	union {
+		struct {
+			__le16 mac_type;
+			__u8 mac_addr[ETH_ALEN];
+		} mbss;
+		__u8 mac_addr[ETH_ALEN];
+	};
 } __attribute__((packed));
 
 static int mwl8k_set_mac_addr(struct ieee80211_hw *hw, u8 *mac)
 {
+	struct mwl8k_priv *priv = hw->priv;
 	struct mwl8k_cmd_set_mac_addr *cmd;
 	int rc;
 
@@ -2149,7 +2156,12 @@ static int mwl8k_set_mac_addr(struct ieee80211_hw *hw, u8 *mac)
 
 	cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_MAC_ADDR);
 	cmd->header.length = cpu_to_le16(sizeof(*cmd));
-	memcpy(cmd->mac_addr, mac, ETH_ALEN);
+	if (priv->ap_fw) {
+		cmd->mbss.mac_type = 0;
+		memcpy(cmd->mbss.mac_addr, mac, ETH_ALEN);
+	} else {
+		memcpy(cmd->mac_addr, mac, ETH_ALEN);
+	}
 
 	rc = mwl8k_post_cmd(hw, &cmd->header);
 	kfree(cmd);
-- 
GitLab


From 2e484c8964f7845d320eb1161c514dbfcafdda78 Mon Sep 17 00:00:00 2001
From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Thu, 22 Oct 2009 20:21:43 +0200
Subject: [PATCH 1009/1815] mwl8k: implement AP firmware EDCA parameter
 configuration

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwl8k.c | 49 +++++++++++++++++++++++++++---------
 1 file changed, 37 insertions(+), 12 deletions(-)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 4ee68f7d20f..de38ec481f6 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -2272,17 +2272,34 @@ struct mwl8k_cmd_set_edca_params {
 	/* TX opportunity in units of 32 us */
 	__le16 txop;
 
-	/* Log exponent of max contention period: 0...15*/
-	__u8 log_cw_max;
+	union {
+		struct {
+			/* Log exponent of max contention period: 0...15 */
+			__le32 log_cw_max;
+
+			/* Log exponent of min contention period: 0...15 */
+			__le32 log_cw_min;
+
+			/* Adaptive interframe spacing in units of 32us */
+			__u8 aifs;
+
+			/* TX queue to configure */
+			__u8 txq;
+		} ap;
+		struct {
+			/* Log exponent of max contention period: 0...15 */
+			__u8 log_cw_max;
 
-	/* Log exponent of min contention period: 0...15 */
-	__u8 log_cw_min;
+			/* Log exponent of min contention period: 0...15 */
+			__u8 log_cw_min;
 
-	/* Adaptive interframe spacing in units of 32us */
-	__u8 aifs;
+			/* Adaptive interframe spacing in units of 32us */
+			__u8 aifs;
 
-	/* TX queue to configure */
-	__u8 txq;
+			/* TX queue to configure */
+			__u8 txq;
+		} sta;
+	};
 } __attribute__((packed));
 
 #define MWL8K_SET_EDCA_CW	0x01
@@ -2298,6 +2315,7 @@ mwl8k_set_edca_params(struct ieee80211_hw *hw, __u8 qnum,
 		__u16 cw_min, __u16 cw_max,
 		__u8 aifs, __u16 txop)
 {
+	struct mwl8k_priv *priv = hw->priv;
 	struct mwl8k_cmd_set_edca_params *cmd;
 	int rc;
 
@@ -2315,10 +2333,17 @@ mwl8k_set_edca_params(struct ieee80211_hw *hw, __u8 qnum,
 	cmd->header.length = cpu_to_le16(sizeof(*cmd));
 	cmd->action = cpu_to_le16(MWL8K_SET_EDCA_ALL);
 	cmd->txop = cpu_to_le16(txop);
-	cmd->log_cw_max = (u8)ilog2(cw_max + 1);
-	cmd->log_cw_min = (u8)ilog2(cw_min + 1);
-	cmd->aifs = aifs;
-	cmd->txq = qnum;
+	if (priv->ap_fw) {
+		cmd->ap.log_cw_max = cpu_to_le32(ilog2(cw_max + 1));
+		cmd->ap.log_cw_min = cpu_to_le32(ilog2(cw_min + 1));
+		cmd->ap.aifs = aifs;
+		cmd->ap.txq = qnum;
+	} else {
+		cmd->sta.log_cw_max = (u8)ilog2(cw_max + 1);
+		cmd->sta.log_cw_min = (u8)ilog2(cw_min + 1);
+		cmd->sta.aifs = aifs;
+		cmd->sta.txq = qnum;
+	}
 
 	rc = mwl8k_post_cmd(hw, &cmd->header);
 	kfree(cmd);
-- 
GitLab


From 6f6d1e9a8a7fea5e4400cad64bed717e322208e1 Mon Sep 17 00:00:00 2001
From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Thu, 22 Oct 2009 20:21:48 +0200
Subject: [PATCH 1010/1815] mwl8k: add support for the 88w8366

Add support for the 88w8366 firmware receive descriptor format,
and add the 88w8366 PCI ID.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwl8k.c | 95 +++++++++++++++++++++++++++++++++++-
 1 file changed, 94 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index de38ec481f6..9fde17bb991 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -756,7 +756,89 @@ static inline void mwl8k_add_dma_header(struct sk_buff *skb)
 
 
 /*
- * Packet reception.
+ * Packet reception for 88w8366.
+ */
+struct mwl8k_rxd_8366 {
+	__le16 pkt_len;
+	__u8 sq2;
+	__u8 rate;
+	__le32 pkt_phys_addr;
+	__le32 next_rxd_phys_addr;
+	__le16 qos_control;
+	__le16 htsig2;
+	__le32 hw_rssi_info;
+	__le32 hw_noise_floor_info;
+	__u8 noise_floor;
+	__u8 pad0[3];
+	__u8 rssi;
+	__u8 rx_status;
+	__u8 channel;
+	__u8 rx_ctrl;
+} __attribute__((packed));
+
+#define MWL8K_8366_RX_CTRL_OWNED_BY_HOST	0x80
+
+static void mwl8k_rxd_8366_init(void *_rxd, dma_addr_t next_dma_addr)
+{
+	struct mwl8k_rxd_8366 *rxd = _rxd;
+
+	rxd->next_rxd_phys_addr = cpu_to_le32(next_dma_addr);
+	rxd->rx_ctrl = MWL8K_8366_RX_CTRL_OWNED_BY_HOST;
+}
+
+static void mwl8k_rxd_8366_refill(void *_rxd, dma_addr_t addr, int len)
+{
+	struct mwl8k_rxd_8366 *rxd = _rxd;
+
+	rxd->pkt_len = cpu_to_le16(len);
+	rxd->pkt_phys_addr = cpu_to_le32(addr);
+	wmb();
+	rxd->rx_ctrl = 0;
+}
+
+static int
+mwl8k_rxd_8366_process(void *_rxd, struct ieee80211_rx_status *status)
+{
+	struct mwl8k_rxd_8366 *rxd = _rxd;
+
+	if (!(rxd->rx_ctrl & MWL8K_8366_RX_CTRL_OWNED_BY_HOST))
+		return -1;
+	rmb();
+
+	memset(status, 0, sizeof(*status));
+
+	status->signal = -rxd->rssi;
+	status->noise = -rxd->noise_floor;
+
+	if (rxd->rate & 0x80) {
+		status->flag |= RX_FLAG_HT;
+		status->rate_idx = rxd->rate & 0x7f;
+	} else {
+		int i;
+
+		for (i = 0; i < ARRAY_SIZE(mwl8k_rates); i++) {
+			if (mwl8k_rates[i].hw_value == rxd->rate) {
+				status->rate_idx = i;
+				break;
+			}
+		}
+	}
+
+	status->band = IEEE80211_BAND_2GHZ;
+	status->freq = ieee80211_channel_to_frequency(rxd->channel);
+
+	return le16_to_cpu(rxd->pkt_len);
+}
+
+static struct rxd_ops rxd_8366_ops = {
+	.rxd_size	= sizeof(struct mwl8k_rxd_8366),
+	.rxd_init	= mwl8k_rxd_8366_init,
+	.rxd_refill	= mwl8k_rxd_8366_refill,
+	.rxd_process	= mwl8k_rxd_8366_process,
+};
+
+/*
+ * Packet reception for 88w8687.
  */
 struct mwl8k_rxd_8687 {
 	__le16 pkt_len;
@@ -3226,6 +3308,14 @@ static void mwl8k_finalize_join_worker(struct work_struct *work)
 	priv->beacon_skb = NULL;
 }
 
+static struct mwl8k_device_info di_8366 = {
+	.part_name	= "88w8366",
+	.helper_image	= "mwl8k/helper_8366.fw",
+	.fw_image	= "mwl8k/fmimage_8366.fw",
+	.rxd_ops	= &rxd_8366_ops,
+	.modes		= 0,
+};
+
 static struct mwl8k_device_info di_8687 = {
 	.part_name	= "88w8687",
 	.helper_image	= "mwl8k/helper_8687.fw",
@@ -3241,6 +3331,9 @@ static DEFINE_PCI_DEVICE_TABLE(mwl8k_pci_id_table) = {
 	}, {
 		PCI_VDEVICE(MARVELL, 0x2a30),
 		.driver_data = (unsigned long)&di_8687,
+	}, {
+		PCI_VDEVICE(MARVELL, 0x2a40),
+		.driver_data = (unsigned long)&di_8366,
 	}, {
 	},
 };
-- 
GitLab


From bcb628d579a61d0ab0cac4c6cc8a403de5254920 Mon Sep 17 00:00:00 2001
From: "John W. Linville" <linville@tuxdriver.com>
Date: Fri, 6 Nov 2009 16:40:16 -0500
Subject: [PATCH 1011/1815] mwl8k: use integral index instead of pointer for
 driver_data

Use of an integral index makes adding new device IDs through sysfs more
practical.

Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwl8k.c | 47 ++++++++++++++++++------------------
 1 file changed, 23 insertions(+), 24 deletions(-)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 9fde17bb991..2ebfee4da3f 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -3308,34 +3308,33 @@ static void mwl8k_finalize_join_worker(struct work_struct *work)
 	priv->beacon_skb = NULL;
 }
 
-static struct mwl8k_device_info di_8366 = {
-	.part_name	= "88w8366",
-	.helper_image	= "mwl8k/helper_8366.fw",
-	.fw_image	= "mwl8k/fmimage_8366.fw",
-	.rxd_ops	= &rxd_8366_ops,
-	.modes		= 0,
+enum {
+	MWL8687 = 0,
+	MWL8366,
 };
 
-static struct mwl8k_device_info di_8687 = {
-	.part_name	= "88w8687",
-	.helper_image	= "mwl8k/helper_8687.fw",
-	.fw_image	= "mwl8k/fmimage_8687.fw",
-	.rxd_ops	= &rxd_8687_ops,
-	.modes		= BIT(NL80211_IFTYPE_STATION),
+static struct mwl8k_device_info mwl8k_info_tbl[] __devinitdata = {
+	{
+		.part_name	= "88w8687",
+		.helper_image	= "mwl8k/helper_8687.fw",
+		.fw_image	= "mwl8k/fmimage_8687.fw",
+		.rxd_ops	= &rxd_8687_ops,
+		.modes		= BIT(NL80211_IFTYPE_STATION),
+	},
+	{
+		.part_name	= "88w8366",
+		.helper_image	= "mwl8k/helper_8366.fw",
+		.fw_image	= "mwl8k/fmimage_8366.fw",
+		.rxd_ops	= &rxd_8366_ops,
+		.modes		= 0,
+	},
 };
 
 static DEFINE_PCI_DEVICE_TABLE(mwl8k_pci_id_table) = {
-	{
-		PCI_VDEVICE(MARVELL, 0x2a2b),
-		.driver_data = (unsigned long)&di_8687,
-	}, {
-		PCI_VDEVICE(MARVELL, 0x2a30),
-		.driver_data = (unsigned long)&di_8687,
-	}, {
-		PCI_VDEVICE(MARVELL, 0x2a40),
-		.driver_data = (unsigned long)&di_8366,
-	}, {
-	},
+	{ PCI_VDEVICE(MARVELL, 0x2a2b), .driver_data = MWL8687, },
+	{ PCI_VDEVICE(MARVELL, 0x2a30), .driver_data = MWL8687, },
+	{ PCI_VDEVICE(MARVELL, 0x2a40), .driver_data = MWL8366, },
+	{ },
 };
 MODULE_DEVICE_TABLE(pci, mwl8k_pci_id_table);
 
@@ -3379,7 +3378,7 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
 	priv = hw->priv;
 	priv->hw = hw;
 	priv->pdev = pdev;
-	priv->device_info = (void *)id->driver_data;
+	priv->device_info = &mwl8k_info_tbl[id->driver_data];
 	priv->rxd_ops = priv->device_info->rxd_ops;
 	priv->sniffer_enabled = false;
 	priv->wmm_enabled = false;
-- 
GitLab


From 2dceba14ef0e62738d58777a1bd4018130d47a74 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Fri, 6 Nov 2009 08:09:03 +0000
Subject: [PATCH 1012/1815] compat: add struct compat_ifreq etc to compat.h

In order to move socket ioctl conversion code into multiple
places in the socket code, we need a common defintion of
the data structures it uses.

Also change the name from ifreq32 to compat_ifreq to
follow the naming convention for compat.h

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/compat.h | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/include/linux/compat.h b/include/linux/compat.h
index af931ee43dd..8311d2e2963 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -10,6 +10,8 @@
 #include <linux/stat.h>
 #include <linux/param.h>	/* for HZ */
 #include <linux/sem.h>
+#include <linux/socket.h>
+#include <linux/if.h>
 
 #include <asm/compat.h>
 #include <asm/siginfo.h>
@@ -154,6 +156,43 @@ typedef struct compat_sigevent {
 	} _sigev_un;
 } compat_sigevent_t;
 
+struct compat_ifmap {
+	compat_ulong_t mem_start;
+	compat_ulong_t mem_end;
+	unsigned short base_addr;
+	unsigned char irq;
+	unsigned char dma;
+	unsigned char port;
+};
+
+struct compat_ifreq {
+#define IFHWADDRLEN     6
+#define IFNAMSIZ        16
+        union {
+                char    ifrn_name[IFNAMSIZ];            /* if name, e.g. "en0" */
+        } ifr_ifrn;
+        union {
+                struct  sockaddr ifru_addr;
+                struct  sockaddr ifru_dstaddr;
+                struct  sockaddr ifru_broadaddr;
+                struct  sockaddr ifru_netmask;
+                struct  sockaddr ifru_hwaddr;
+                short   ifru_flags;
+                compat_int_t     ifru_ivalue;
+                compat_int_t     ifru_mtu;
+                struct  compat_ifmap ifru_map;
+                char    ifru_slave[IFNAMSIZ];   /* Just fits the size */
+		char	ifru_newname[IFNAMSIZ];
+                compat_caddr_t ifru_data;
+	    /* XXXX? ifru_settings should be here */
+        } ifr_ifru;
+};
+
+struct compat_ifconf {
+        compat_int_t	ifc_len;                        /* size of buffer       */
+        compat_caddr_t  ifcbuf;
+};
+
 struct compat_robust_list {
 	compat_uptr_t			next;
 };
-- 
GitLab


From 50857e2a59d8beddc6bb76137df026d67f30d5ca Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Fri, 6 Nov 2009 22:52:32 -0800
Subject: [PATCH 1013/1815] net/tun: handle compat_ioctl directly

The tun driver is the only code in the kernel that operates
on a character device with struct ifreq. Change the driver
to handle the conversion itself so we can contain the
remaining ifreq handling in the socket layer.

This also fixes a bug in the handling of invalid ioctl
numbers on an unbound tun device. The driver treats this
as a TUNSETIFF in native mode, but there is no way for
the generic compat_ioctl() function to emulate this
behaviour. Possibly the driver was only doing this
accidentally anyway, but if any code relies on this
misfeature, it now also works in compat mode.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tun.c | 53 ++++++++++++++++++++++++++++++++++++++++-------
 fs/compat_ioctl.c | 20 ------------------
 2 files changed, 46 insertions(+), 27 deletions(-)

diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 9c59a82784d..01e99f22210 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -53,6 +53,7 @@
 #include <linux/miscdevice.h>
 #include <linux/ethtool.h>
 #include <linux/rtnetlink.h>
+#include <linux/compat.h>
 #include <linux/if.h>
 #include <linux/if_arp.h>
 #include <linux/if_ether.h>
@@ -1109,8 +1110,8 @@ static int set_offload(struct net_device *dev, unsigned long arg)
 	return 0;
 }
 
-static long tun_chr_ioctl(struct file *file, unsigned int cmd,
-			  unsigned long arg)
+static long __tun_chr_ioctl(struct file *file, unsigned int cmd,
+			    unsigned long arg, int ifreq_len)
 {
 	struct tun_file *tfile = file->private_data;
 	struct tun_struct *tun;
@@ -1120,7 +1121,7 @@ static long tun_chr_ioctl(struct file *file, unsigned int cmd,
 	int ret;
 
 	if (cmd == TUNSETIFF || _IOC_TYPE(cmd) == 0x89)
-		if (copy_from_user(&ifr, argp, sizeof ifr))
+		if (copy_from_user(&ifr, argp, ifreq_len))
 			return -EFAULT;
 
 	if (cmd == TUNGETFEATURES) {
@@ -1143,7 +1144,7 @@ static long tun_chr_ioctl(struct file *file, unsigned int cmd,
 		if (ret)
 			goto unlock;
 
-		if (copy_to_user(argp, &ifr, sizeof(ifr)))
+		if (copy_to_user(argp, &ifr, ifreq_len))
 			ret = -EFAULT;
 		goto unlock;
 	}
@@ -1161,7 +1162,7 @@ static long tun_chr_ioctl(struct file *file, unsigned int cmd,
 		if (ret)
 			break;
 
-		if (copy_to_user(argp, &ifr, sizeof(ifr)))
+		if (copy_to_user(argp, &ifr, ifreq_len))
 			ret = -EFAULT;
 		break;
 
@@ -1235,7 +1236,7 @@ static long tun_chr_ioctl(struct file *file, unsigned int cmd,
 		/* Get hw addres */
 		memcpy(ifr.ifr_hwaddr.sa_data, tun->dev->dev_addr, ETH_ALEN);
 		ifr.ifr_hwaddr.sa_family = tun->dev->type;
-		if (copy_to_user(argp, &ifr, sizeof ifr))
+		if (copy_to_user(argp, &ifr, ifreq_len))
 			ret = -EFAULT;
 		break;
 
@@ -1274,6 +1275,41 @@ unlock:
 	return ret;
 }
 
+static long tun_chr_ioctl(struct file *file,
+			  unsigned int cmd, unsigned long arg)
+{
+	return __tun_chr_ioctl(file, cmd, arg, sizeof (struct ifreq));
+}
+
+#ifdef CONFIG_COMPAT
+static long tun_chr_compat_ioctl(struct file *file,
+			 unsigned int cmd, unsigned long arg)
+{
+	switch (cmd) {
+	case TUNSETIFF:
+	case TUNGETIFF:
+	case TUNSETTXFILTER:
+	case TUNGETSNDBUF:
+	case TUNSETSNDBUF:
+	case SIOCGIFHWADDR:
+	case SIOCSIFHWADDR:
+		arg = (unsigned long)compat_ptr(arg);
+		break;
+	default:
+		arg = (compat_ulong_t)arg;
+		break;
+	}
+
+	/*
+	 * compat_ifreq is shorter than ifreq, so we must not access beyond
+	 * the end of that structure. All fields that are used in this
+	 * driver are compatible though, we don't need to convert the
+	 * contents.
+	 */
+	return __tun_chr_ioctl(file, cmd, arg, sizeof(struct compat_ifreq));
+}
+#endif /* CONFIG_COMPAT */
+
 static int tun_chr_fasync(int fd, struct file *file, int on)
 {
 	struct tun_struct *tun = tun_get(file);
@@ -1356,7 +1392,10 @@ static const struct file_operations tun_fops = {
 	.write = do_sync_write,
 	.aio_write = tun_chr_aio_write,
 	.poll	= tun_chr_poll,
-	.unlocked_ioctl = tun_chr_ioctl,
+	.unlocked_ioctl	= tun_chr_ioctl,
+#ifdef CONFIG_COMPAT
+	.compat_ioctl = tun_chr_compat_ioctl,
+#endif
 	.open	= tun_chr_open,
 	.release = tun_chr_close,
 	.fasync = tun_chr_fasync
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index f91fd51b32e..c562e9a4da7 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -539,12 +539,6 @@ static int dev_ifsioc(unsigned int fd, unsigned int cmd, unsigned long arg)
 	set_fs (old_fs);
 	if (!err) {
 		switch (cmd) {
-		/* TUNSETIFF is defined as _IOW, it should be _IORW
-		 * as the data is copied back to user space, but that
-		 * cannot be fixed without breaking all existing apps.
-		 */
-		case TUNSETIFF:
-		case TUNGETIFF:
 		case SIOCGIFFLAGS:
 		case SIOCGIFMETRIC:
 		case SIOCGIFMTU:
@@ -1979,18 +1973,6 @@ COMPATIBLE_IOCTL(SCSI_IOCTL_SEND_COMMAND)
 COMPATIBLE_IOCTL(SCSI_IOCTL_PROBE_HOST)
 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_PCI)
 #endif
-/* Big T */
-COMPATIBLE_IOCTL(TUNSETNOCSUM)
-COMPATIBLE_IOCTL(TUNSETDEBUG)
-COMPATIBLE_IOCTL(TUNSETPERSIST)
-COMPATIBLE_IOCTL(TUNSETOWNER)
-COMPATIBLE_IOCTL(TUNSETLINK)
-COMPATIBLE_IOCTL(TUNSETGROUP)
-COMPATIBLE_IOCTL(TUNGETFEATURES)
-COMPATIBLE_IOCTL(TUNSETOFFLOAD)
-COMPATIBLE_IOCTL(TUNSETTXFILTER)
-COMPATIBLE_IOCTL(TUNGETSNDBUF)
-COMPATIBLE_IOCTL(TUNSETSNDBUF)
 /* Big V */
 COMPATIBLE_IOCTL(VT_SETMODE)
 COMPATIBLE_IOCTL(VT_GETMODE)
@@ -2571,8 +2553,6 @@ HANDLE_IOCTL(SIOCSIFPFLAGS, dev_ifsioc)
 HANDLE_IOCTL(SIOCGIFPFLAGS, dev_ifsioc)
 HANDLE_IOCTL(SIOCGIFTXQLEN, dev_ifsioc)
 HANDLE_IOCTL(SIOCSIFTXQLEN, dev_ifsioc)
-HANDLE_IOCTL(TUNSETIFF, dev_ifsioc)
-HANDLE_IOCTL(TUNGETIFF, dev_ifsioc)
 HANDLE_IOCTL(SIOCETHTOOL, ethtool_ioctl)
 HANDLE_IOCTL(SIOCBONDENSLAVE, bond_ioctl)
 HANDLE_IOCTL(SIOCBONDRELEASE, bond_ioctl)
-- 
GitLab


From 9646e7ce3d1955478aa0573b36c151ab4b649486 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Fri, 6 Nov 2009 22:51:16 -0800
Subject: [PATCH 1014/1815] net, compat_ioctl: handle socket ioctl abuses in
 tty drivers

Slip and a few other drivers use the same ioctl numbers on
tty devices that are normally meant for sockets. This causes
problems with our compat_ioctl handling that tries to convert
the data structures in a different format.

Fortunately, these five drivers all use 32 bit compatible
data structures in the ioctl numbers, so we can just add
a trivial compat_ioctl conversion function to each of them.

SIOCSIFENCAP and SIOCGIFENCAP do not need to live in
fs/compat_ioctl.c after this any more, and they are not
used on any sockets.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/hamradio/6pack.c | 21 +++++++++++++++++++++
 drivers/net/hamradio/mkiss.c | 21 +++++++++++++++++++++
 drivers/net/slip.c           | 25 +++++++++++++++++++++++++
 drivers/net/wan/x25_asy.c    | 19 +++++++++++++++++++
 drivers/net/wireless/strip.c | 17 +++++++++++++++++
 fs/compat_ioctl.c            |  2 --
 6 files changed, 103 insertions(+), 2 deletions(-)

diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c
index fb588301a05..689b9bd377a 100644
--- a/drivers/net/hamradio/6pack.c
+++ b/drivers/net/hamradio/6pack.c
@@ -34,6 +34,7 @@
 #include <linux/ip.h>
 #include <linux/tcp.h>
 #include <linux/semaphore.h>
+#include <linux/compat.h>
 #include <asm/atomic.h>
 
 #define SIXPACK_VERSION    "Revision: 0.3.0"
@@ -777,6 +778,23 @@ static int sixpack_ioctl(struct tty_struct *tty, struct file *file,
 	return err;
 }
 
+#ifdef CONFIG_COMPAT
+static long sixpack_compat_ioctl(struct tty_struct * tty, struct file * file,
+				unsigned int cmd, unsigned long arg)
+{
+	switch (cmd) {
+	case SIOCGIFNAME:
+	case SIOCGIFENCAP:
+	case SIOCSIFENCAP:
+	case SIOCSIFHWADDR:
+		return sixpack_ioctl(tty, file, cmd,
+				(unsigned long)compat_ptr(arg));
+	}
+
+	return -ENOIOCTLCMD;
+}
+#endif
+
 static struct tty_ldisc_ops sp_ldisc = {
 	.owner		= THIS_MODULE,
 	.magic		= TTY_LDISC_MAGIC,
@@ -784,6 +802,9 @@ static struct tty_ldisc_ops sp_ldisc = {
 	.open		= sixpack_open,
 	.close		= sixpack_close,
 	.ioctl		= sixpack_ioctl,
+#ifdef CONFIG_COMPAT
+	.compat_ioctl	= sixpack_compat_ioctl,
+#endif
 	.receive_buf	= sixpack_receive_buf,
 	.write_wakeup	= sixpack_write_wakeup,
 };
diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c
index db4b7f1603f..fc9c57893f8 100644
--- a/drivers/net/hamradio/mkiss.c
+++ b/drivers/net/hamradio/mkiss.c
@@ -36,6 +36,7 @@
 #include <linux/skbuff.h>
 #include <linux/if_arp.h>
 #include <linux/jiffies.h>
+#include <linux/compat.h>
 
 #include <net/ax25.h>
 
@@ -898,6 +899,23 @@ static int mkiss_ioctl(struct tty_struct *tty, struct file *file,
 	return err;
 }
 
+#ifdef CONFIG_COMPAT
+static long mkiss_compat_ioctl(struct tty_struct *tty, struct file *file,
+	unsigned int cmd, unsigned long arg)
+{
+	switch (arg) {
+	case SIOCGIFNAME:
+	case SIOCGIFENCAP:
+	case SIOCSIFENCAP:
+	case SIOCSIFHWADDR:
+		return mkiss_ioctl(tty, file, cmd,
+				   (unsigned long)compat_ptr(arg));
+	}
+
+	return -ENOIOCTLCMD;
+}
+#endif
+
 /*
  * Handle the 'receiver data ready' interrupt.
  * This function is called by the 'tty_io' module in the kernel when
@@ -972,6 +990,9 @@ static struct tty_ldisc_ops ax_ldisc = {
 	.open		= mkiss_open,
 	.close		= mkiss_close,
 	.ioctl		= mkiss_ioctl,
+#ifdef CONFIG_COMPAT
+	.compat_ioctl	= mkiss_compat_ioctl,
+#endif
 	.receive_buf	= mkiss_receive_buf,
 	.write_wakeup	= mkiss_write_wakeup
 };
diff --git a/drivers/net/slip.c b/drivers/net/slip.c
index e17c535a577..ccfe45924fd 100644
--- a/drivers/net/slip.c
+++ b/drivers/net/slip.c
@@ -79,6 +79,7 @@
 #include <linux/rtnetlink.h>
 #include <linux/if_arp.h>
 #include <linux/if_slip.h>
+#include <linux/compat.h>
 #include <linux/delay.h>
 #include <linux/init.h>
 #include "slip.h"
@@ -1168,6 +1169,27 @@ static int slip_ioctl(struct tty_struct *tty, struct file *file,
 	}
 }
 
+#ifdef CONFIG_COMPAT
+static long slip_compat_ioctl(struct tty_struct *tty, struct file *file,
+					unsigned int cmd, unsigned long arg)
+{
+	switch (cmd) {
+	case SIOCGIFNAME:
+	case SIOCGIFENCAP:
+	case SIOCSIFENCAP:
+	case SIOCSIFHWADDR:
+	case SIOCSKEEPALIVE:
+	case SIOCGKEEPALIVE:
+	case SIOCSOUTFILL:
+	case SIOCGOUTFILL:
+		return slip_ioctl(tty, file, cmd,
+				  (unsigned long)compat_ptr(arg));
+	}
+
+	return -ENOIOCTLCMD;
+}
+#endif
+
 /* VSV changes start here */
 #ifdef CONFIG_SLIP_SMART
 /* function do_ioctl called from net/core/dev.c
@@ -1260,6 +1282,9 @@ static struct tty_ldisc_ops sl_ldisc = {
 	.close	 	= slip_close,
 	.hangup	 	= slip_hangup,
 	.ioctl		= slip_ioctl,
+#ifdef CONFIG_COMPAT
+	.compat_ioctl	= slip_compat_ioctl,
+#endif
 	.receive_buf	= slip_receive_buf,
 	.write_wakeup	= slip_write_wakeup,
 };
diff --git a/drivers/net/wan/x25_asy.c b/drivers/net/wan/x25_asy.c
index 27945049c9e..3c325d77939 100644
--- a/drivers/net/wan/x25_asy.c
+++ b/drivers/net/wan/x25_asy.c
@@ -33,6 +33,7 @@
 #include <linux/lapb.h>
 #include <linux/init.h>
 #include <linux/rtnetlink.h>
+#include <linux/compat.h>
 #include "x25_asy.h"
 
 #include <net/x25device.h>
@@ -705,6 +706,21 @@ static int x25_asy_ioctl(struct tty_struct *tty, struct file *file,
 	}
 }
 
+#ifdef CONFIG_COMPAT
+static long x25_asy_compat_ioctl(struct tty_struct *tty, struct file *file,
+			 unsigned int cmd,  unsigned long arg)
+{
+	switch (cmd) {
+	case SIOCGIFNAME:
+	case SIOCSIFHWADDR:
+		return x25_asy_ioctl(tty, file, cmd,
+				     (unsigned long)compat_ptr(arg));
+	}
+
+	return -ENOIOCTLCMD;
+}
+#endif
+
 static int x25_asy_open_dev(struct net_device *dev)
 {
 	struct x25_asy *sl = netdev_priv(dev);
@@ -754,6 +770,9 @@ static struct tty_ldisc_ops x25_ldisc = {
 	.open		= x25_asy_open_tty,
 	.close		= x25_asy_close_tty,
 	.ioctl		= x25_asy_ioctl,
+#ifdef CONFIG_COMPAT
+	.compat_ioctl	= x25_asy_compat_ioctl,
+#endif
 	.receive_buf	= x25_asy_receive_buf,
 	.write_wakeup	= x25_asy_write_wakeup,
 };
diff --git a/drivers/net/wireless/strip.c b/drivers/net/wireless/strip.c
index ea6a87c1931..698aade79d4 100644
--- a/drivers/net/wireless/strip.c
+++ b/drivers/net/wireless/strip.c
@@ -106,6 +106,7 @@ static const char StripVersion[] = "1.3A-STUART.CHESHIRE";
 #include <linux/serial.h>
 #include <linux/serialP.h>
 #include <linux/rcupdate.h>
+#include <linux/compat.h>
 #include <net/arp.h>
 #include <net/net_namespace.h>
 
@@ -2725,6 +2726,19 @@ static int strip_ioctl(struct tty_struct *tty, struct file *file,
 	return 0;
 }
 
+#ifdef CONFIG_COMPAT
+static long strip_compat_ioctl(struct tty_struct *tty, struct file *file,
+		       unsigned int cmd, unsigned long arg)
+{
+	switch (cmd) {
+	case SIOCGIFNAME:
+	case SIOCSIFHWADDR:
+		return strip_ioctl(tty, file, cmd,
+			(unsigned long)compat_ptr(arg));
+	}
+	return -ENOIOCTLCMD;
+}
+#endif
 
 /************************************************************************/
 /* Initialization							*/
@@ -2736,6 +2750,9 @@ static struct tty_ldisc_ops strip_ldisc = {
 	.open = strip_open,
 	.close = strip_close,
 	.ioctl = strip_ioctl,
+#ifdef CONFIG_COMPAT
+	.compat_ioctl = strip_compat_ioctl,
+#endif
 	.receive_buf = strip_receive_buf,
 	.write_wakeup = strip_write_some_more,
 };
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index c562e9a4da7..f4a5a01fc66 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -2020,8 +2020,6 @@ COMPATIBLE_IOCTL(FIOGETOWN)
 COMPATIBLE_IOCTL(SIOCGPGRP)
 COMPATIBLE_IOCTL(SIOCATMARK)
 COMPATIBLE_IOCTL(SIOCSIFLINK)
-COMPATIBLE_IOCTL(SIOCSIFENCAP)
-COMPATIBLE_IOCTL(SIOCGIFENCAP)
 COMPATIBLE_IOCTL(SIOCSIFNAME)
 COMPATIBLE_IOCTL(SIOCSARP)
 COMPATIBLE_IOCTL(SIOCGARP)
-- 
GitLab


From 7a229387d317df525ebd19e146493db7f2694b8b Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Fri, 6 Nov 2009 23:00:29 -0800
Subject: [PATCH 1015/1815] net: copy socket ioctl code to net/socket.h

This makes an identical copy of the socket compat_ioctl code
from fs/compat_ioctl.c to net/socket.c, as a preparation
for moving the functionality in a way that can be easily
reviewed.

The code is hidden inside of #if 0 and gets activated in the
patch that will make it work.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/socket.c | 716 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 716 insertions(+)

diff --git a/net/socket.c b/net/socket.c
index 4f3e0f0c156..344bd230b83 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -2459,6 +2459,722 @@ void socket_seq_show(struct seq_file *seq)
 #endif				/* CONFIG_PROC_FS */
 
 #ifdef CONFIG_COMPAT
+#if 0
+static int do_siocgstamp(unsigned int fd, unsigned int cmd, unsigned long arg)
+{
+	struct compat_timeval __user *up = compat_ptr(arg);
+	mm_segment_t old_fs = get_fs();
+	struct timeval ktv;
+	int err;
+
+	set_fs(KERNEL_DS);
+	err = sys_ioctl(fd, cmd, (unsigned long)&ktv);
+	set_fs(old_fs);
+	if (!err) {
+		err = put_user(ktv.tv_sec, &up->tv_sec);
+		err |= __put_user(ktv.tv_usec, &up->tv_usec);
+	}
+	return err;
+}
+
+static int do_siocgstampns(unsigned int fd, unsigned int cmd, unsigned long arg)
+{
+	struct compat_timespec __user *up = compat_ptr(arg);
+	mm_segment_t old_fs = get_fs();
+	struct timespec kts;
+	int err;
+
+	set_fs(KERNEL_DS);
+	err = sys_ioctl(fd, cmd, (unsigned long)&kts);
+	set_fs(old_fs);
+	if (!err) {
+		err = put_user(kts.tv_sec, &up->tv_sec);
+		err |= __put_user(kts.tv_nsec, &up->tv_nsec);
+	}
+	return err;
+}
+
+struct ifmap32 {
+	compat_ulong_t mem_start;
+	compat_ulong_t mem_end;
+	unsigned short base_addr;
+	unsigned char irq;
+	unsigned char dma;
+	unsigned char port;
+};
+
+struct ifreq32 {
+#define IFHWADDRLEN     6
+#define IFNAMSIZ        16
+	union {
+		char    ifrn_name[IFNAMSIZ];            /* if name, e.g. "en0" */
+	} ifr_ifrn;
+	union {
+		struct  sockaddr ifru_addr;
+		struct  sockaddr ifru_dstaddr;
+		struct  sockaddr ifru_broadaddr;
+		struct  sockaddr ifru_netmask;
+		struct  sockaddr ifru_hwaddr;
+		short   ifru_flags;
+		compat_int_t     ifru_ivalue;
+		compat_int_t     ifru_mtu;
+		struct  ifmap32 ifru_map;
+		char    ifru_slave[IFNAMSIZ];   /* Just fits the size */
+		char	ifru_newname[IFNAMSIZ];
+		compat_caddr_t ifru_data;
+		/* XXXX? ifru_settings should be here */
+	} ifr_ifru;
+};
+
+struct ifconf32 {
+	compat_int_t	ifc_len;                        /* size of buffer       */
+	compat_caddr_t  ifcbuf;
+};
+
+static int dev_ifname32(unsigned int fd, unsigned int cmd, unsigned long arg)
+{
+	struct ifreq __user *uifr;
+	int err;
+
+	uifr = compat_alloc_user_space(sizeof(struct ifreq));
+	if (copy_in_user(uifr, compat_ptr(arg), sizeof(struct ifreq32)))
+		return -EFAULT;
+
+	err = sys_ioctl(fd, SIOCGIFNAME, (unsigned long)uifr);
+	if (err)
+		return err;
+
+	if (copy_in_user(compat_ptr(arg), uifr, sizeof(struct ifreq32)))
+		return -EFAULT;
+
+	return 0;
+}
+
+static int dev_ifconf(unsigned int fd, unsigned int cmd, unsigned long arg)
+{
+	struct ifconf32 ifc32;
+	struct ifconf ifc;
+	struct ifconf __user *uifc;
+	struct ifreq32 __user *ifr32;
+	struct ifreq __user *ifr;
+	unsigned int i, j;
+	int err;
+
+	if (copy_from_user(&ifc32, compat_ptr(arg), sizeof(struct ifconf32)))
+		return -EFAULT;
+
+	if (ifc32.ifcbuf == 0) {
+		ifc32.ifc_len = 0;
+		ifc.ifc_len = 0;
+		ifc.ifc_req = NULL;
+		uifc = compat_alloc_user_space(sizeof(struct ifconf));
+	} else {
+		size_t len =((ifc32.ifc_len / sizeof (struct ifreq32)) + 1) *
+			sizeof (struct ifreq);
+		uifc = compat_alloc_user_space(sizeof(struct ifconf) + len);
+		ifc.ifc_len = len;
+		ifr = ifc.ifc_req = (void __user *)(uifc + 1);
+		ifr32 = compat_ptr(ifc32.ifcbuf);
+		for (i = 0; i < ifc32.ifc_len; i += sizeof (struct ifreq32)) {
+			if (copy_in_user(ifr, ifr32, sizeof(struct ifreq32)))
+				return -EFAULT;
+			ifr++;
+			ifr32++;
+		}
+	}
+	if (copy_to_user(uifc, &ifc, sizeof(struct ifconf)))
+		return -EFAULT;
+
+	err = sys_ioctl (fd, SIOCGIFCONF, (unsigned long)uifc);
+	if (err)
+		return err;
+
+	if (copy_from_user(&ifc, uifc, sizeof(struct ifconf)))
+		return -EFAULT;
+
+	ifr = ifc.ifc_req;
+	ifr32 = compat_ptr(ifc32.ifcbuf);
+	for (i = 0, j = 0;
+             i + sizeof (struct ifreq32) <= ifc32.ifc_len && j < ifc.ifc_len;
+	     i += sizeof (struct ifreq32), j += sizeof (struct ifreq)) {
+		if (copy_in_user(ifr32, ifr, sizeof (struct ifreq32)))
+			return -EFAULT;
+		ifr32++;
+		ifr++;
+	}
+
+	if (ifc32.ifcbuf == 0) {
+		/* Translate from 64-bit structure multiple to
+		 * a 32-bit one.
+		 */
+		i = ifc.ifc_len;
+		i = ((i / sizeof(struct ifreq)) * sizeof(struct ifreq32));
+		ifc32.ifc_len = i;
+	} else {
+		ifc32.ifc_len = i;
+	}
+	if (copy_to_user(compat_ptr(arg), &ifc32, sizeof(struct ifconf32)))
+		return -EFAULT;
+
+	return 0;
+}
+
+static int ethtool_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
+{
+	struct ifreq __user *ifr;
+	struct ifreq32 __user *ifr32;
+	u32 data;
+	void __user *datap;
+
+	ifr = compat_alloc_user_space(sizeof(*ifr));
+	ifr32 = compat_ptr(arg);
+
+	if (copy_in_user(&ifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ))
+		return -EFAULT;
+
+	if (get_user(data, &ifr32->ifr_ifru.ifru_data))
+		return -EFAULT;
+
+	datap = compat_ptr(data);
+	if (put_user(datap, &ifr->ifr_ifru.ifru_data))
+		return -EFAULT;
+
+	return sys_ioctl(fd, cmd, (unsigned long) ifr);
+}
+
+static int bond_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
+{
+	struct ifreq kifr;
+	struct ifreq __user *uifr;
+	struct ifreq32 __user *ifr32 = compat_ptr(arg);
+	mm_segment_t old_fs;
+	int err;
+	u32 data;
+	void __user *datap;
+
+	switch (cmd) {
+	case SIOCBONDENSLAVE:
+	case SIOCBONDRELEASE:
+	case SIOCBONDSETHWADDR:
+	case SIOCBONDCHANGEACTIVE:
+		if (copy_from_user(&kifr, ifr32, sizeof(struct ifreq32)))
+			return -EFAULT;
+
+		old_fs = get_fs();
+		set_fs (KERNEL_DS);
+		err = sys_ioctl (fd, cmd, (unsigned long)&kifr);
+		set_fs (old_fs);
+
+		return err;
+	case SIOCBONDSLAVEINFOQUERY:
+	case SIOCBONDINFOQUERY:
+		uifr = compat_alloc_user_space(sizeof(*uifr));
+		if (copy_in_user(&uifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ))
+			return -EFAULT;
+
+		if (get_user(data, &ifr32->ifr_ifru.ifru_data))
+			return -EFAULT;
+
+		datap = compat_ptr(data);
+		if (put_user(datap, &uifr->ifr_ifru.ifru_data))
+			return -EFAULT;
+
+		return sys_ioctl (fd, cmd, (unsigned long)uifr);
+	default:
+		return -EINVAL;
+	};
+}
+
+static int siocdevprivate_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
+{
+	struct ifreq __user *u_ifreq64;
+	struct ifreq32 __user *u_ifreq32 = compat_ptr(arg);
+	char tmp_buf[IFNAMSIZ];
+	void __user *data64;
+	u32 data32;
+
+	if (copy_from_user(&tmp_buf[0], &(u_ifreq32->ifr_ifrn.ifrn_name[0]),
+			   IFNAMSIZ))
+		return -EFAULT;
+	if (__get_user(data32, &u_ifreq32->ifr_ifru.ifru_data))
+		return -EFAULT;
+	data64 = compat_ptr(data32);
+
+	u_ifreq64 = compat_alloc_user_space(sizeof(*u_ifreq64));
+
+	/* Don't check these user accesses, just let that get trapped
+	 * in the ioctl handler instead.
+	 */
+	if (copy_to_user(&u_ifreq64->ifr_ifrn.ifrn_name[0], &tmp_buf[0],
+			 IFNAMSIZ))
+		return -EFAULT;
+	if (__put_user(data64, &u_ifreq64->ifr_ifru.ifru_data))
+		return -EFAULT;
+
+	return sys_ioctl(fd, cmd, (unsigned long) u_ifreq64);
+}
+
+static int dev_ifsioc(unsigned int fd, unsigned int cmd, unsigned long arg)
+{
+	struct ifreq ifr;
+	struct ifreq32 __user *uifr32;
+	struct ifmap32 __user *uifmap32;
+	mm_segment_t old_fs;
+	int err;
+
+	uifr32 = compat_ptr(arg);
+	uifmap32 = &uifr32->ifr_ifru.ifru_map;
+	switch (cmd) {
+	case SIOCSIFMAP:
+		err = copy_from_user(&ifr, uifr32, sizeof(ifr.ifr_name));
+		err |= __get_user(ifr.ifr_map.mem_start, &uifmap32->mem_start);
+		err |= __get_user(ifr.ifr_map.mem_end, &uifmap32->mem_end);
+		err |= __get_user(ifr.ifr_map.base_addr, &uifmap32->base_addr);
+		err |= __get_user(ifr.ifr_map.irq, &uifmap32->irq);
+		err |= __get_user(ifr.ifr_map.dma, &uifmap32->dma);
+		err |= __get_user(ifr.ifr_map.port, &uifmap32->port);
+		if (err)
+			return -EFAULT;
+		break;
+	case SIOCSHWTSTAMP:
+		if (copy_from_user(&ifr, uifr32, sizeof(*uifr32)))
+			return -EFAULT;
+		ifr.ifr_data = compat_ptr(uifr32->ifr_ifru.ifru_data);
+		break;
+	default:
+		if (copy_from_user(&ifr, uifr32, sizeof(*uifr32)))
+			return -EFAULT;
+		break;
+	}
+	old_fs = get_fs();
+	set_fs (KERNEL_DS);
+	err = sys_ioctl (fd, cmd, (unsigned long)&ifr);
+	set_fs (old_fs);
+	if (!err) {
+		switch (cmd) {
+		case SIOCGIFFLAGS:
+		case SIOCGIFMETRIC:
+		case SIOCGIFMTU:
+		case SIOCGIFMEM:
+		case SIOCGIFHWADDR:
+		case SIOCGIFINDEX:
+		case SIOCGIFADDR:
+		case SIOCGIFBRDADDR:
+		case SIOCGIFDSTADDR:
+		case SIOCGIFNETMASK:
+		case SIOCGIFTXQLEN:
+			if (copy_to_user(uifr32, &ifr, sizeof(*uifr32)))
+				return -EFAULT;
+			break;
+		case SIOCGIFMAP:
+			err = copy_to_user(uifr32, &ifr, sizeof(ifr.ifr_name));
+			err |= __put_user(ifr.ifr_map.mem_start, &uifmap32->mem_start);
+			err |= __put_user(ifr.ifr_map.mem_end, &uifmap32->mem_end);
+			err |= __put_user(ifr.ifr_map.base_addr, &uifmap32->base_addr);
+			err |= __put_user(ifr.ifr_map.irq, &uifmap32->irq);
+			err |= __put_user(ifr.ifr_map.dma, &uifmap32->dma);
+			err |= __put_user(ifr.ifr_map.port, &uifmap32->port);
+			if (err)
+				err = -EFAULT;
+			break;
+		}
+	}
+	return err;
+}
+
+struct rtentry32 {
+	u32   		rt_pad1;
+	struct sockaddr rt_dst;         /* target address               */
+	struct sockaddr rt_gateway;     /* gateway addr (RTF_GATEWAY)   */
+	struct sockaddr rt_genmask;     /* target network mask (IP)     */
+	unsigned short  rt_flags;
+	short           rt_pad2;
+	u32   		rt_pad3;
+	unsigned char   rt_tos;
+	unsigned char   rt_class;
+	short           rt_pad4;
+	short           rt_metric;      /* +1 for binary compatibility! */
+	/* char * */ u32 rt_dev;        /* forcing the device at add    */
+	u32   		rt_mtu;         /* per route MTU/Window         */
+	u32   		rt_window;      /* Window clamping              */
+	unsigned short  rt_irtt;        /* Initial RTT                  */
+};
+
+struct in6_rtmsg32 {
+	struct in6_addr		rtmsg_dst;
+	struct in6_addr		rtmsg_src;
+	struct in6_addr		rtmsg_gateway;
+	u32			rtmsg_type;
+	u16			rtmsg_dst_len;
+	u16			rtmsg_src_len;
+	u32			rtmsg_metric;
+	u32			rtmsg_info;
+	u32			rtmsg_flags;
+	s32			rtmsg_ifindex;
+};
+
+static int routing_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
+{
+	int ret;
+	void *r = NULL;
+	struct in6_rtmsg r6;
+	struct rtentry r4;
+	char devname[16];
+	u32 rtdev;
+	mm_segment_t old_fs = get_fs();
+
+	struct socket *mysock = sockfd_lookup(fd, &ret);
+
+	if (mysock && mysock->sk && mysock->sk->sk_family == AF_INET6) { /* ipv6 */
+		struct in6_rtmsg32 __user *ur6 = compat_ptr(arg);
+		ret = copy_from_user (&r6.rtmsg_dst, &(ur6->rtmsg_dst),
+			3 * sizeof(struct in6_addr));
+		ret |= __get_user (r6.rtmsg_type, &(ur6->rtmsg_type));
+		ret |= __get_user (r6.rtmsg_dst_len, &(ur6->rtmsg_dst_len));
+		ret |= __get_user (r6.rtmsg_src_len, &(ur6->rtmsg_src_len));
+		ret |= __get_user (r6.rtmsg_metric, &(ur6->rtmsg_metric));
+		ret |= __get_user (r6.rtmsg_info, &(ur6->rtmsg_info));
+		ret |= __get_user (r6.rtmsg_flags, &(ur6->rtmsg_flags));
+		ret |= __get_user (r6.rtmsg_ifindex, &(ur6->rtmsg_ifindex));
+
+		r = (void *) &r6;
+	} else { /* ipv4 */
+		struct rtentry32 __user *ur4 = compat_ptr(arg);
+		ret = copy_from_user (&r4.rt_dst, &(ur4->rt_dst),
+					3 * sizeof(struct sockaddr));
+		ret |= __get_user (r4.rt_flags, &(ur4->rt_flags));
+		ret |= __get_user (r4.rt_metric, &(ur4->rt_metric));
+		ret |= __get_user (r4.rt_mtu, &(ur4->rt_mtu));
+		ret |= __get_user (r4.rt_window, &(ur4->rt_window));
+		ret |= __get_user (r4.rt_irtt, &(ur4->rt_irtt));
+		ret |= __get_user (rtdev, &(ur4->rt_dev));
+		if (rtdev) {
+			ret |= copy_from_user (devname, compat_ptr(rtdev), 15);
+			r4.rt_dev = devname; devname[15] = 0;
+		} else
+			r4.rt_dev = NULL;
+
+		r = (void *) &r4;
+	}
+
+	if (ret) {
+		ret = -EFAULT;
+		goto out;
+	}
+
+	set_fs (KERNEL_DS);
+	ret = sys_ioctl (fd, cmd, (unsigned long) r);
+	set_fs (old_fs);
+
+out:
+	if (mysock)
+		sockfd_put(mysock);
+
+	return ret;
+}
+
+/* Since old style bridge ioctl's endup using SIOCDEVPRIVATE
+ * for some operations; this forces use of the newer bridge-utils that
+ * use compatiable ioctls
+ */
+static int old_bridge_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
+{
+	u32 tmp;
+
+	if (get_user(tmp, (u32 __user *) arg))
+		return -EFAULT;
+	if (tmp == BRCTL_GET_VERSION)
+		return BRCTL_VERSION + 1;
+	return -EINVAL;
+}
+
+struct atmif_sioc32 {
+	compat_int_t	number;
+	compat_int_t	length;
+	compat_caddr_t	arg;
+};
+
+struct atm_iobuf32 {
+	compat_int_t	length;
+	compat_caddr_t	buffer;
+};
+
+#define ATM_GETLINKRATE32 _IOW('a', ATMIOC_ITF+1, struct atmif_sioc32)
+#define ATM_GETNAMES32    _IOW('a', ATMIOC_ITF+3, struct atm_iobuf32)
+#define ATM_GETTYPE32     _IOW('a', ATMIOC_ITF+4, struct atmif_sioc32)
+#define ATM_GETESI32	  _IOW('a', ATMIOC_ITF+5, struct atmif_sioc32)
+#define ATM_GETADDR32	  _IOW('a', ATMIOC_ITF+6, struct atmif_sioc32)
+#define ATM_RSTADDR32	  _IOW('a', ATMIOC_ITF+7, struct atmif_sioc32)
+#define ATM_ADDADDR32	  _IOW('a', ATMIOC_ITF+8, struct atmif_sioc32)
+#define ATM_DELADDR32	  _IOW('a', ATMIOC_ITF+9, struct atmif_sioc32)
+#define ATM_GETCIRANGE32  _IOW('a', ATMIOC_ITF+10, struct atmif_sioc32)
+#define ATM_SETCIRANGE32  _IOW('a', ATMIOC_ITF+11, struct atmif_sioc32)
+#define ATM_SETESI32      _IOW('a', ATMIOC_ITF+12, struct atmif_sioc32)
+#define ATM_SETESIF32     _IOW('a', ATMIOC_ITF+13, struct atmif_sioc32)
+#define ATM_GETSTAT32     _IOW('a', ATMIOC_SARCOM+0, struct atmif_sioc32)
+#define ATM_GETSTATZ32    _IOW('a', ATMIOC_SARCOM+1, struct atmif_sioc32)
+#define ATM_GETLOOP32	  _IOW('a', ATMIOC_SARCOM+2, struct atmif_sioc32)
+#define ATM_SETLOOP32	  _IOW('a', ATMIOC_SARCOM+3, struct atmif_sioc32)
+#define ATM_QUERYLOOP32	  _IOW('a', ATMIOC_SARCOM+4, struct atmif_sioc32)
+
+static struct {
+	unsigned int cmd32;
+	unsigned int cmd;
+} atm_ioctl_map[] = {
+	{ ATM_GETLINKRATE32, ATM_GETLINKRATE },
+	{ ATM_GETNAMES32,    ATM_GETNAMES },
+	{ ATM_GETTYPE32,     ATM_GETTYPE },
+	{ ATM_GETESI32,      ATM_GETESI },
+	{ ATM_GETADDR32,     ATM_GETADDR },
+	{ ATM_RSTADDR32,     ATM_RSTADDR },
+	{ ATM_ADDADDR32,     ATM_ADDADDR },
+	{ ATM_DELADDR32,     ATM_DELADDR },
+	{ ATM_GETCIRANGE32,  ATM_GETCIRANGE },
+	{ ATM_SETCIRANGE32,  ATM_SETCIRANGE },
+	{ ATM_SETESI32,      ATM_SETESI },
+	{ ATM_SETESIF32,     ATM_SETESIF },
+	{ ATM_GETSTAT32,     ATM_GETSTAT },
+	{ ATM_GETSTATZ32,    ATM_GETSTATZ },
+	{ ATM_GETLOOP32,     ATM_GETLOOP },
+	{ ATM_SETLOOP32,     ATM_SETLOOP },
+	{ ATM_QUERYLOOP32,   ATM_QUERYLOOP }
+};
+
+#define NR_ATM_IOCTL ARRAY_SIZE(atm_ioctl_map)
+
+static int do_atm_iobuf(unsigned int fd, unsigned int cmd, unsigned long arg)
+{
+	struct atm_iobuf   __user *iobuf;
+	struct atm_iobuf32 __user *iobuf32;
+	u32 data;
+	void __user *datap;
+	int len, err;
+
+	iobuf = compat_alloc_user_space(sizeof(*iobuf));
+	iobuf32 = compat_ptr(arg);
+
+	if (get_user(len, &iobuf32->length) ||
+	    get_user(data, &iobuf32->buffer))
+		return -EFAULT;
+	datap = compat_ptr(data);
+	if (put_user(len, &iobuf->length) ||
+	    put_user(datap, &iobuf->buffer))
+		return -EFAULT;
+
+	err = sys_ioctl(fd, cmd, (unsigned long)iobuf);
+
+	if (!err) {
+		if (copy_in_user(&iobuf32->length, &iobuf->length,
+				 sizeof(int)))
+			err = -EFAULT;
+	}
+
+	return err;
+}
+
+static int do_atmif_sioc(unsigned int fd, unsigned int cmd, unsigned long arg)
+{
+	struct atmif_sioc   __user *sioc;
+	struct atmif_sioc32 __user *sioc32;
+	u32 data;
+	void __user *datap;
+	int err;
+
+	sioc = compat_alloc_user_space(sizeof(*sioc));
+	sioc32 = compat_ptr(arg);
+
+	if (copy_in_user(&sioc->number, &sioc32->number, 2 * sizeof(int)) ||
+	    get_user(data, &sioc32->arg))
+		return -EFAULT;
+	datap = compat_ptr(data);
+	if (put_user(datap, &sioc->arg))
+		return -EFAULT;
+
+	err = sys_ioctl(fd, cmd, (unsigned long) sioc);
+
+	if (!err) {
+		if (copy_in_user(&sioc32->length, &sioc->length,
+				 sizeof(int)))
+			err = -EFAULT;
+	}
+	return err;
+}
+
+static int do_atm_ioctl(unsigned int fd, unsigned int cmd32, unsigned long arg)
+{
+	int i;
+	unsigned int cmd = 0;
+
+	switch (cmd32) {
+	case SONET_GETSTAT:
+	case SONET_GETSTATZ:
+	case SONET_GETDIAG:
+	case SONET_SETDIAG:
+	case SONET_CLRDIAG:
+	case SONET_SETFRAMING:
+	case SONET_GETFRAMING:
+	case SONET_GETFRSENSE:
+		return do_atmif_sioc(fd, cmd32, arg);
+	}
+
+	for (i = 0; i < NR_ATM_IOCTL; i++) {
+		if (cmd32 == atm_ioctl_map[i].cmd32) {
+			cmd = atm_ioctl_map[i].cmd;
+			break;
+		}
+	}
+	if (i == NR_ATM_IOCTL)
+	        return -EINVAL;
+
+        switch (cmd) {
+	case ATM_GETNAMES:
+		return do_atm_iobuf(fd, cmd, arg);
+
+	case ATM_GETLINKRATE:
+	case ATM_GETTYPE:
+	case ATM_GETESI:
+	case ATM_GETADDR:
+	case ATM_RSTADDR:
+	case ATM_ADDADDR:
+	case ATM_DELADDR:
+	case ATM_GETCIRANGE:
+	case ATM_SETCIRANGE:
+	case ATM_SETESI:
+	case ATM_SETESIF:
+	case ATM_GETSTAT:
+	case ATM_GETSTATZ:
+	case ATM_GETLOOP:
+	case ATM_SETLOOP:
+	case ATM_QUERYLOOP:
+		return do_atmif_sioc(fd, cmd, arg);
+	}
+
+	return -EINVAL;
+}
+
+
+/* bridge */
+HANDLE_IOCTL(SIOCSIFBR, old_bridge_ioctl)
+HANDLE_IOCTL(SIOCGIFBR, old_bridge_ioctl)
+#ifdef CONFIG_NET
+HANDLE_IOCTL(SIOCGIFNAME, dev_ifname32)
+HANDLE_IOCTL(SIOCGIFCONF, dev_ifconf)
+HANDLE_IOCTL(SIOCGIFFLAGS, dev_ifsioc)
+HANDLE_IOCTL(SIOCSIFFLAGS, dev_ifsioc)
+HANDLE_IOCTL(SIOCGIFMETRIC, dev_ifsioc)
+HANDLE_IOCTL(SIOCSIFMETRIC, dev_ifsioc)
+HANDLE_IOCTL(SIOCGIFMTU, dev_ifsioc)
+HANDLE_IOCTL(SIOCSIFMTU, dev_ifsioc)
+HANDLE_IOCTL(SIOCGIFMEM, dev_ifsioc)
+HANDLE_IOCTL(SIOCSIFMEM, dev_ifsioc)
+HANDLE_IOCTL(SIOCGIFHWADDR, dev_ifsioc)
+HANDLE_IOCTL(SIOCSIFHWADDR, dev_ifsioc)
+HANDLE_IOCTL(SIOCADDMULTI, dev_ifsioc)
+HANDLE_IOCTL(SIOCDELMULTI, dev_ifsioc)
+HANDLE_IOCTL(SIOCGIFINDEX, dev_ifsioc)
+HANDLE_IOCTL(SIOCGIFMAP, dev_ifsioc)
+HANDLE_IOCTL(SIOCSIFMAP, dev_ifsioc)
+HANDLE_IOCTL(SIOCGIFADDR, dev_ifsioc)
+HANDLE_IOCTL(SIOCSIFADDR, dev_ifsioc)
+HANDLE_IOCTL(SIOCSIFHWBROADCAST, dev_ifsioc)
+HANDLE_IOCTL(SIOCSHWTSTAMP, dev_ifsioc)
+
+HANDLE_IOCTL(SIOCDIFADDR, dev_ifsioc)
+HANDLE_IOCTL(SIOCSARP, dev_ifsioc)
+HANDLE_IOCTL(SIOCDARP, dev_ifsioc)
+
+HANDLE_IOCTL(SIOCGIFBRDADDR, dev_ifsioc)
+HANDLE_IOCTL(SIOCSIFBRDADDR, dev_ifsioc)
+HANDLE_IOCTL(SIOCGIFDSTADDR, dev_ifsioc)
+HANDLE_IOCTL(SIOCSIFDSTADDR, dev_ifsioc)
+HANDLE_IOCTL(SIOCGIFNETMASK, dev_ifsioc)
+HANDLE_IOCTL(SIOCSIFNETMASK, dev_ifsioc)
+HANDLE_IOCTL(SIOCSIFPFLAGS, dev_ifsioc)
+HANDLE_IOCTL(SIOCGIFPFLAGS, dev_ifsioc)
+HANDLE_IOCTL(SIOCGIFTXQLEN, dev_ifsioc)
+HANDLE_IOCTL(SIOCSIFTXQLEN, dev_ifsioc)
+HANDLE_IOCTL(SIOCETHTOOL, ethtool_ioctl)
+HANDLE_IOCTL(SIOCBONDENSLAVE, bond_ioctl)
+HANDLE_IOCTL(SIOCBONDRELEASE, bond_ioctl)
+HANDLE_IOCTL(SIOCBONDSETHWADDR, bond_ioctl)
+HANDLE_IOCTL(SIOCBONDSLAVEINFOQUERY, bond_ioctl)
+HANDLE_IOCTL(SIOCBONDINFOQUERY, bond_ioctl)
+HANDLE_IOCTL(SIOCBONDCHANGEACTIVE, bond_ioctl)
+HANDLE_IOCTL(SIOCADDRT, routing_ioctl)
+HANDLE_IOCTL(SIOCDELRT, routing_ioctl)
+HANDLE_IOCTL(SIOCBRADDIF, dev_ifsioc)
+HANDLE_IOCTL(SIOCBRDELIF, dev_ifsioc)
+/* Note SIOCRTMSG is no longer, so this is safe and * the user would have seen just an -EINVAL anyways. */
+HANDLE_IOCTL(SIOCRTMSG, ret_einval)
+HANDLE_IOCTL(SIOCGSTAMP, do_siocgstamp)
+HANDLE_IOCTL(SIOCGSTAMPNS, do_siocgstampns)
+#endif
+IGNORE_IOCTL(SIOCGIFCOUNT)
+/* Little a */
+COMPATIBLE_IOCTL(ATMSIGD_CTRL)
+COMPATIBLE_IOCTL(ATMARPD_CTRL)
+COMPATIBLE_IOCTL(ATMLEC_CTRL)
+COMPATIBLE_IOCTL(ATMLEC_MCAST)
+COMPATIBLE_IOCTL(ATMLEC_DATA)
+COMPATIBLE_IOCTL(ATM_SETSC)
+COMPATIBLE_IOCTL(SIOCSIFATMTCP)
+COMPATIBLE_IOCTL(SIOCMKCLIP)
+COMPATIBLE_IOCTL(ATMARP_MKIP)
+COMPATIBLE_IOCTL(ATMARP_SETENTRY)
+COMPATIBLE_IOCTL(ATMARP_ENCAP)
+COMPATIBLE_IOCTL(ATMTCP_CREATE)
+COMPATIBLE_IOCTL(ATMTCP_REMOVE)
+COMPATIBLE_IOCTL(ATMMPC_CTRL)
+COMPATIBLE_IOCTL(ATMMPC_DATA)
+HANDLE_IOCTL(ATM_GETLINKRATE32, do_atm_ioctl)
+HANDLE_IOCTL(ATM_GETNAMES32, do_atm_ioctl)
+HANDLE_IOCTL(ATM_GETTYPE32, do_atm_ioctl)
+HANDLE_IOCTL(ATM_GETESI32, do_atm_ioctl)
+HANDLE_IOCTL(ATM_GETADDR32, do_atm_ioctl)
+HANDLE_IOCTL(ATM_RSTADDR32, do_atm_ioctl)
+HANDLE_IOCTL(ATM_ADDADDR32, do_atm_ioctl)
+HANDLE_IOCTL(ATM_DELADDR32, do_atm_ioctl)
+HANDLE_IOCTL(ATM_GETCIRANGE32, do_atm_ioctl)
+HANDLE_IOCTL(ATM_SETCIRANGE32, do_atm_ioctl)
+HANDLE_IOCTL(ATM_SETESI32, do_atm_ioctl)
+HANDLE_IOCTL(ATM_SETESIF32, do_atm_ioctl)
+HANDLE_IOCTL(ATM_GETSTAT32, do_atm_ioctl)
+HANDLE_IOCTL(ATM_GETSTATZ32, do_atm_ioctl)
+HANDLE_IOCTL(ATM_GETLOOP32, do_atm_ioctl)
+HANDLE_IOCTL(ATM_SETLOOP32, do_atm_ioctl)
+HANDLE_IOCTL(ATM_QUERYLOOP32, do_atm_ioctl)
+HANDLE_IOCTL(SONET_GETSTAT, do_atm_ioctl)
+HANDLE_IOCTL(SONET_GETSTATZ, do_atm_ioctl)
+HANDLE_IOCTL(SONET_GETDIAG, do_atm_ioctl)
+HANDLE_IOCTL(SONET_SETDIAG, do_atm_ioctl)
+HANDLE_IOCTL(SONET_CLRDIAG, do_atm_ioctl)
+HANDLE_IOCTL(SONET_SETFRAMING, do_atm_ioctl)
+HANDLE_IOCTL(SONET_GETFRAMING, do_atm_ioctl)
+HANDLE_IOCTL(SONET_GETFRSENSE, do_atm_ioctl)
+COMPATIBLE_IOCTL(FIOSETOWN)
+COMPATIBLE_IOCTL(SIOCSPGRP)
+COMPATIBLE_IOCTL(FIOGETOWN)
+COMPATIBLE_IOCTL(SIOCGPGRP)
+COMPATIBLE_IOCTL(SIOCATMARK)
+COMPATIBLE_IOCTL(SIOCSIFLINK)
+COMPATIBLE_IOCTL(SIOCSIFNAME)
+COMPATIBLE_IOCTL(SIOCSARP)
+COMPATIBLE_IOCTL(SIOCGARP)
+COMPATIBLE_IOCTL(SIOCDARP)
+COMPATIBLE_IOCTL(SIOCSRARP)
+COMPATIBLE_IOCTL(SIOCGRARP)
+COMPATIBLE_IOCTL(SIOCDRARP)
+COMPATIBLE_IOCTL(SIOCADDDLCI)
+COMPATIBLE_IOCTL(SIOCDELDLCI)
+COMPATIBLE_IOCTL(SIOCGMIIPHY)
+COMPATIBLE_IOCTL(SIOCGMIIREG)
+COMPATIBLE_IOCTL(SIOCSMIIREG)
+COMPATIBLE_IOCTL(SIOCGIFVLAN)
+COMPATIBLE_IOCTL(SIOCSIFVLAN)
+COMPATIBLE_IOCTL(SIOCBRADDBR)
+COMPATIBLE_IOCTL(SIOCBRDELBR)
+#endif
+
 static long compat_sock_ioctl(struct file *file, unsigned cmd,
 			      unsigned long arg)
 {
-- 
GitLab


From 206602217747382488fcae68351673cc9103debc Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Fri, 6 Nov 2009 08:09:06 +0000
Subject: [PATCH 1016/1815] =?UTF-8?q?appletalk:=C2=A0handle=20SIOCATALKDIF?=
 =?UTF-8?q?ADDR=20compat=20ioctl?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

We must not have a compat ioctl handler for SIOCATALKDIFADDR
in common code, because the same number is used in other protocols
with different data structures.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 fs/compat_ioctl.c   |  1 -
 net/appletalk/ddp.c | 12 +++++++-----
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index f4a5a01fc66..50d2a5fdc94 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -2536,7 +2536,6 @@ HANDLE_IOCTL(SIOCSIFHWBROADCAST, dev_ifsioc)
 HANDLE_IOCTL(SIOCSHWTSTAMP, dev_ifsioc)
 
 /* ioctls used by appletalk ddp.c */
-HANDLE_IOCTL(SIOCATALKDIFADDR, dev_ifsioc)
 HANDLE_IOCTL(SIOCDIFADDR, dev_ifsioc)
 HANDLE_IOCTL(SIOCSARP, dev_ifsioc)
 HANDLE_IOCTL(SIOCDARP, dev_ifsioc)
diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index 4b0ce2e2b46..7cd08b45c52 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -1811,12 +1811,14 @@ static int atalk_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 static int atalk_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 {
 	/*
-	 * All Appletalk ioctls except SIOCATALKDIFADDR are standard.  And
-	 * SIOCATALKDIFADDR is handled by upper layer as well, so there is
-	 * nothing to do.  Eventually SIOCATALKDIFADDR should be moved
-	 * here so there is no generic SIOCPROTOPRIVATE translation in the
-	 * system.
+	 * SIOCATALKDIFADDR is a SIOCPROTOPRIVATE ioctl number, so we
+	 * cannot handle it in common code. The data we access if ifreq
+	 * here is compatible, so we can simply call the native
+	 * handler.
 	 */
+	if (cmd == SIOCATALKDIFADDR)
+		return atalk_ioctl(sock, cmd, (unsigned long)compat_ptr(arg));
+
 	return -ENOIOCTLCMD;
 }
 #endif
-- 
GitLab


From 6b96018b28bd93274b4b2a4c633a5d373fda0441 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Fri, 6 Nov 2009 23:10:54 -0800
Subject: [PATCH 1017/1815] compat: move sockios handling to net/socket.c

This removes the original socket compat_ioctl code
from fs/compat_ioctl.c and converts the code from the copy
in net/socket.c into a single function. We add a few cycles
of runtime to compat_sock_ioctl() with the long switch()
statement, but gain some cycles in return by simplifying
the call chain to get there.

Due to better inlining, save 1.5kb of object size in the
process, and enable further savings:

before:
   text    data     bss     dec     hex filename
  13540   18008    2080   33628    835c obj/fs/compat_ioctl.o
  14565     636      40   15241    3b89 obj/net/socket.o

after:
   text    data     bss     dec     hex filename
   8916   15176    2080   26172    663c obj/fs/compat_ioctl.o
  20725     636      40   21401    5399 obj/net/socket.o

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 fs/compat_ioctl.c | 722 ----------------------------------------------
 net/socket.c      | 468 +++++++++++++++---------------
 2 files changed, 240 insertions(+), 950 deletions(-)

diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index 50d2a5fdc94..cacf8a83e39 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -246,422 +246,6 @@ static int do_video_set_spu_palette(unsigned int fd, unsigned int cmd, unsigned
 	return err;
 }
 
-#ifdef CONFIG_NET
-static int do_siocgstamp(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	struct compat_timeval __user *up = compat_ptr(arg);
-	struct timeval ktv;
-	mm_segment_t old_fs = get_fs();
-	int err;
-
-	set_fs(KERNEL_DS);
-	err = sys_ioctl(fd, cmd, (unsigned long)&ktv);
-	set_fs(old_fs);
-	if(!err) {
-		err = put_user(ktv.tv_sec, &up->tv_sec);
-		err |= __put_user(ktv.tv_usec, &up->tv_usec);
-	}
-	return err;
-}
-
-static int do_siocgstampns(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	struct compat_timespec __user *up = compat_ptr(arg);
-	struct timespec kts;
-	mm_segment_t old_fs = get_fs();
-	int err;
-
-	set_fs(KERNEL_DS);
-	err = sys_ioctl(fd, cmd, (unsigned long)&kts);
-	set_fs(old_fs);
-	if (!err) {
-		err = put_user(kts.tv_sec, &up->tv_sec);
-		err |= __put_user(kts.tv_nsec, &up->tv_nsec);
-	}
-	return err;
-}
-
-struct ifmap32 {
-	compat_ulong_t mem_start;
-	compat_ulong_t mem_end;
-	unsigned short base_addr;
-	unsigned char irq;
-	unsigned char dma;
-	unsigned char port;
-};
-
-struct ifreq32 {
-#define IFHWADDRLEN     6
-#define IFNAMSIZ        16
-        union {
-                char    ifrn_name[IFNAMSIZ];            /* if name, e.g. "en0" */
-        } ifr_ifrn;
-        union {
-                struct  sockaddr ifru_addr;
-                struct  sockaddr ifru_dstaddr;
-                struct  sockaddr ifru_broadaddr;
-                struct  sockaddr ifru_netmask;
-                struct  sockaddr ifru_hwaddr;
-                short   ifru_flags;
-                compat_int_t     ifru_ivalue;
-                compat_int_t     ifru_mtu;
-                struct  ifmap32 ifru_map;
-                char    ifru_slave[IFNAMSIZ];   /* Just fits the size */
-		char	ifru_newname[IFNAMSIZ];
-                compat_caddr_t ifru_data;
-	    /* XXXX? ifru_settings should be here */
-        } ifr_ifru;
-};
-
-struct ifconf32 {
-        compat_int_t	ifc_len;                        /* size of buffer       */
-        compat_caddr_t  ifcbuf;
-};
-
-static int dev_ifname32(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	struct ifreq __user *uifr;
-	int err;
-
-	uifr = compat_alloc_user_space(sizeof(struct ifreq));
-	if (copy_in_user(uifr, compat_ptr(arg), sizeof(struct ifreq32)))
-		return -EFAULT;
-
-	err = sys_ioctl(fd, SIOCGIFNAME, (unsigned long)uifr);
-	if (err)
-		return err;
-
-	if (copy_in_user(compat_ptr(arg), uifr, sizeof(struct ifreq32)))
-		return -EFAULT;
-
-	return 0;
-}
-
-static int dev_ifconf(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	struct ifconf32 ifc32;
-	struct ifconf ifc;
-	struct ifconf __user *uifc;
-	struct ifreq32 __user *ifr32;
-	struct ifreq __user *ifr;
-	unsigned int i, j;
-	int err;
-
-	if (copy_from_user(&ifc32, compat_ptr(arg), sizeof(struct ifconf32)))
-		return -EFAULT;
-
-	if (ifc32.ifcbuf == 0) {
-		ifc32.ifc_len = 0;
-		ifc.ifc_len = 0;
-		ifc.ifc_req = NULL;
-		uifc = compat_alloc_user_space(sizeof(struct ifconf));
-	} else {
-		size_t len =((ifc32.ifc_len / sizeof (struct ifreq32)) + 1) *
-			sizeof (struct ifreq);
-		uifc = compat_alloc_user_space(sizeof(struct ifconf) + len);
-		ifc.ifc_len = len;
-		ifr = ifc.ifc_req = (void __user *)(uifc + 1);
-		ifr32 = compat_ptr(ifc32.ifcbuf);
-		for (i = 0; i < ifc32.ifc_len; i += sizeof (struct ifreq32)) {
-			if (copy_in_user(ifr, ifr32, sizeof(struct ifreq32)))
-				return -EFAULT;
-			ifr++;
-			ifr32++; 
-		}
-	}
-	if (copy_to_user(uifc, &ifc, sizeof(struct ifconf)))
-		return -EFAULT;
-
-	err = sys_ioctl (fd, SIOCGIFCONF, (unsigned long)uifc);	
-	if (err)
-		return err;
-
-	if (copy_from_user(&ifc, uifc, sizeof(struct ifconf))) 
-		return -EFAULT;
-
-	ifr = ifc.ifc_req;
-	ifr32 = compat_ptr(ifc32.ifcbuf);
-	for (i = 0, j = 0;
-             i + sizeof (struct ifreq32) <= ifc32.ifc_len && j < ifc.ifc_len;
-	     i += sizeof (struct ifreq32), j += sizeof (struct ifreq)) {
-		if (copy_in_user(ifr32, ifr, sizeof (struct ifreq32)))
-			return -EFAULT;
-		ifr32++;
-		ifr++;
-	}
-
-	if (ifc32.ifcbuf == 0) {
-		/* Translate from 64-bit structure multiple to
-		 * a 32-bit one.
-		 */
-		i = ifc.ifc_len;
-		i = ((i / sizeof(struct ifreq)) * sizeof(struct ifreq32));
-		ifc32.ifc_len = i;
-	} else {
-		ifc32.ifc_len = i;
-	}
-	if (copy_to_user(compat_ptr(arg), &ifc32, sizeof(struct ifconf32)))
-		return -EFAULT;
-
-	return 0;
-}
-
-static int ethtool_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	struct ifreq __user *ifr;
-	struct ifreq32 __user *ifr32;
-	u32 data;
-	void __user *datap;
-	
-	ifr = compat_alloc_user_space(sizeof(*ifr));
-	ifr32 = compat_ptr(arg);
-
-	if (copy_in_user(&ifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ))
-		return -EFAULT;
-
-	if (get_user(data, &ifr32->ifr_ifru.ifru_data))
-		return -EFAULT;
-
-	datap = compat_ptr(data);
-	if (put_user(datap, &ifr->ifr_ifru.ifru_data))
-		return -EFAULT;
-
-	return sys_ioctl(fd, cmd, (unsigned long) ifr);
-}
-
-static int bond_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	struct ifreq kifr;
-	struct ifreq __user *uifr;
-	struct ifreq32 __user *ifr32 = compat_ptr(arg);
-	mm_segment_t old_fs;
-	int err;
-	u32 data;
-	void __user *datap;
-
-	switch (cmd) {
-	case SIOCBONDENSLAVE:
-	case SIOCBONDRELEASE:
-	case SIOCBONDSETHWADDR:
-	case SIOCBONDCHANGEACTIVE:
-		if (copy_from_user(&kifr, ifr32, sizeof(struct ifreq32)))
-			return -EFAULT;
-
-		old_fs = get_fs();
-		set_fs (KERNEL_DS);
-		err = sys_ioctl (fd, cmd, (unsigned long)&kifr);
-		set_fs (old_fs);
-
-		return err;
-	case SIOCBONDSLAVEINFOQUERY:
-	case SIOCBONDINFOQUERY:
-		uifr = compat_alloc_user_space(sizeof(*uifr));
-		if (copy_in_user(&uifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ))
-			return -EFAULT;
-
-		if (get_user(data, &ifr32->ifr_ifru.ifru_data))
-			return -EFAULT;
-
-		datap = compat_ptr(data);
-		if (put_user(datap, &uifr->ifr_ifru.ifru_data))
-			return -EFAULT;
-
-		return sys_ioctl (fd, cmd, (unsigned long)uifr);
-	default:
-		return -EINVAL;
-	};
-}
-
-static int siocdevprivate_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	struct ifreq __user *u_ifreq64;
-	struct ifreq32 __user *u_ifreq32 = compat_ptr(arg);
-	char tmp_buf[IFNAMSIZ];
-	void __user *data64;
-	u32 data32;
-
-	if (copy_from_user(&tmp_buf[0], &(u_ifreq32->ifr_ifrn.ifrn_name[0]),
-			   IFNAMSIZ))
-		return -EFAULT;
-	if (__get_user(data32, &u_ifreq32->ifr_ifru.ifru_data))
-		return -EFAULT;
-	data64 = compat_ptr(data32);
-
-	u_ifreq64 = compat_alloc_user_space(sizeof(*u_ifreq64));
-
-	/* Don't check these user accesses, just let that get trapped
-	 * in the ioctl handler instead.
-	 */
-	if (copy_to_user(&u_ifreq64->ifr_ifrn.ifrn_name[0], &tmp_buf[0],
-			 IFNAMSIZ))
-		return -EFAULT;
-	if (__put_user(data64, &u_ifreq64->ifr_ifru.ifru_data))
-		return -EFAULT;
-
-	return sys_ioctl(fd, cmd, (unsigned long) u_ifreq64);
-}
-
-static int dev_ifsioc(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	struct ifreq ifr;
-	struct ifreq32 __user *uifr32;
-	struct ifmap32 __user *uifmap32;
-	mm_segment_t old_fs;
-	int err;
-	
-	uifr32 = compat_ptr(arg);
-	uifmap32 = &uifr32->ifr_ifru.ifru_map;
-	switch (cmd) {
-	case SIOCSIFMAP:
-		err = copy_from_user(&ifr, uifr32, sizeof(ifr.ifr_name));
-		err |= __get_user(ifr.ifr_map.mem_start, &uifmap32->mem_start);
-		err |= __get_user(ifr.ifr_map.mem_end, &uifmap32->mem_end);
-		err |= __get_user(ifr.ifr_map.base_addr, &uifmap32->base_addr);
-		err |= __get_user(ifr.ifr_map.irq, &uifmap32->irq);
-		err |= __get_user(ifr.ifr_map.dma, &uifmap32->dma);
-		err |= __get_user(ifr.ifr_map.port, &uifmap32->port);
-		if (err)
-			return -EFAULT;
-		break;
-	case SIOCSHWTSTAMP:
-		if (copy_from_user(&ifr, uifr32, sizeof(*uifr32)))
-			return -EFAULT;
-		ifr.ifr_data = compat_ptr(uifr32->ifr_ifru.ifru_data);
-		break;
-	default:
-		if (copy_from_user(&ifr, uifr32, sizeof(*uifr32)))
-			return -EFAULT;
-		break;
-	}
-	old_fs = get_fs();
-	set_fs (KERNEL_DS);
-	err = sys_ioctl (fd, cmd, (unsigned long)&ifr);
-	set_fs (old_fs);
-	if (!err) {
-		switch (cmd) {
-		case SIOCGIFFLAGS:
-		case SIOCGIFMETRIC:
-		case SIOCGIFMTU:
-		case SIOCGIFMEM:
-		case SIOCGIFHWADDR:
-		case SIOCGIFINDEX:
-		case SIOCGIFADDR:
-		case SIOCGIFBRDADDR:
-		case SIOCGIFDSTADDR:
-		case SIOCGIFNETMASK:
-		case SIOCGIFTXQLEN:
-			if (copy_to_user(uifr32, &ifr, sizeof(*uifr32)))
-				return -EFAULT;
-			break;
-		case SIOCGIFMAP:
-			err = copy_to_user(uifr32, &ifr, sizeof(ifr.ifr_name));
-			err |= __put_user(ifr.ifr_map.mem_start, &uifmap32->mem_start);
-			err |= __put_user(ifr.ifr_map.mem_end, &uifmap32->mem_end);
-			err |= __put_user(ifr.ifr_map.base_addr, &uifmap32->base_addr);
-			err |= __put_user(ifr.ifr_map.irq, &uifmap32->irq);
-			err |= __put_user(ifr.ifr_map.dma, &uifmap32->dma);
-			err |= __put_user(ifr.ifr_map.port, &uifmap32->port);
-			if (err)
-				err = -EFAULT;
-			break;
-		}
-	}
-	return err;
-}
-
-struct rtentry32 {
-        u32   		rt_pad1;
-        struct sockaddr rt_dst;         /* target address               */
-        struct sockaddr rt_gateway;     /* gateway addr (RTF_GATEWAY)   */
-        struct sockaddr rt_genmask;     /* target network mask (IP)     */
-        unsigned short  rt_flags;
-        short           rt_pad2;
-        u32   		rt_pad3;
-        unsigned char   rt_tos;
-        unsigned char   rt_class;
-        short           rt_pad4;
-        short           rt_metric;      /* +1 for binary compatibility! */
-        /* char * */ u32 rt_dev;        /* forcing the device at add    */
-        u32   		rt_mtu;         /* per route MTU/Window         */
-        u32   		rt_window;      /* Window clamping              */
-        unsigned short  rt_irtt;        /* Initial RTT                  */
-
-};
-
-struct in6_rtmsg32 {
-	struct in6_addr		rtmsg_dst;
-	struct in6_addr		rtmsg_src;
-	struct in6_addr		rtmsg_gateway;
-	u32			rtmsg_type;
-	u16			rtmsg_dst_len;
-	u16			rtmsg_src_len;
-	u32			rtmsg_metric;
-	u32			rtmsg_info;
-	u32			rtmsg_flags;
-	s32			rtmsg_ifindex;
-};
-
-static int routing_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	int ret;
-	void *r = NULL;
-	struct in6_rtmsg r6;
-	struct rtentry r4;
-	char devname[16];
-	u32 rtdev;
-	mm_segment_t old_fs = get_fs();
-	
-	struct socket *mysock = sockfd_lookup(fd, &ret);
-
-	if (mysock && mysock->sk && mysock->sk->sk_family == AF_INET6) { /* ipv6 */
-		struct in6_rtmsg32 __user *ur6 = compat_ptr(arg);
-		ret = copy_from_user (&r6.rtmsg_dst, &(ur6->rtmsg_dst),
-			3 * sizeof(struct in6_addr));
-		ret |= __get_user (r6.rtmsg_type, &(ur6->rtmsg_type));
-		ret |= __get_user (r6.rtmsg_dst_len, &(ur6->rtmsg_dst_len));
-		ret |= __get_user (r6.rtmsg_src_len, &(ur6->rtmsg_src_len));
-		ret |= __get_user (r6.rtmsg_metric, &(ur6->rtmsg_metric));
-		ret |= __get_user (r6.rtmsg_info, &(ur6->rtmsg_info));
-		ret |= __get_user (r6.rtmsg_flags, &(ur6->rtmsg_flags));
-		ret |= __get_user (r6.rtmsg_ifindex, &(ur6->rtmsg_ifindex));
-		
-		r = (void *) &r6;
-	} else { /* ipv4 */
-		struct rtentry32 __user *ur4 = compat_ptr(arg);
-		ret = copy_from_user (&r4.rt_dst, &(ur4->rt_dst),
-					3 * sizeof(struct sockaddr));
-		ret |= __get_user (r4.rt_flags, &(ur4->rt_flags));
-		ret |= __get_user (r4.rt_metric, &(ur4->rt_metric));
-		ret |= __get_user (r4.rt_mtu, &(ur4->rt_mtu));
-		ret |= __get_user (r4.rt_window, &(ur4->rt_window));
-		ret |= __get_user (r4.rt_irtt, &(ur4->rt_irtt));
-		ret |= __get_user (rtdev, &(ur4->rt_dev));
-		if (rtdev) {
-			ret |= copy_from_user (devname, compat_ptr(rtdev), 15);
-			r4.rt_dev = devname; devname[15] = 0;
-		} else
-			r4.rt_dev = NULL;
-
-		r = (void *) &r4;
-	}
-
-	if (ret) {
-		ret = -EFAULT;
-		goto out;
-	}
-
-	set_fs (KERNEL_DS);
-	ret = sys_ioctl (fd, cmd, (unsigned long) r);
-	set_fs (old_fs);
-
-out:
-	if (mysock)
-		sockfd_put(mysock);
-
-	return ret;
-}
-#endif
-
 #ifdef CONFIG_BLOCK
 typedef struct sg_io_hdr32 {
 	compat_int_t interface_id;	/* [i] 'S' for SCSI generic (required) */
@@ -1206,170 +790,6 @@ static int do_smb_getmountuid(unsigned int fd, unsigned int cmd, unsigned long a
 	return err;
 }
 
-struct atmif_sioc32 {
-        compat_int_t	number;
-        compat_int_t	length;
-        compat_caddr_t	arg;
-};
-
-struct atm_iobuf32 {
-	compat_int_t	length;
-	compat_caddr_t	buffer;
-};
-
-#define ATM_GETLINKRATE32 _IOW('a', ATMIOC_ITF+1, struct atmif_sioc32)
-#define ATM_GETNAMES32    _IOW('a', ATMIOC_ITF+3, struct atm_iobuf32)
-#define ATM_GETTYPE32     _IOW('a', ATMIOC_ITF+4, struct atmif_sioc32)
-#define ATM_GETESI32	  _IOW('a', ATMIOC_ITF+5, struct atmif_sioc32)
-#define ATM_GETADDR32	  _IOW('a', ATMIOC_ITF+6, struct atmif_sioc32)
-#define ATM_RSTADDR32	  _IOW('a', ATMIOC_ITF+7, struct atmif_sioc32)
-#define ATM_ADDADDR32	  _IOW('a', ATMIOC_ITF+8, struct atmif_sioc32)
-#define ATM_DELADDR32	  _IOW('a', ATMIOC_ITF+9, struct atmif_sioc32)
-#define ATM_GETCIRANGE32  _IOW('a', ATMIOC_ITF+10, struct atmif_sioc32)
-#define ATM_SETCIRANGE32  _IOW('a', ATMIOC_ITF+11, struct atmif_sioc32)
-#define ATM_SETESI32      _IOW('a', ATMIOC_ITF+12, struct atmif_sioc32)
-#define ATM_SETESIF32     _IOW('a', ATMIOC_ITF+13, struct atmif_sioc32)
-#define ATM_GETSTAT32     _IOW('a', ATMIOC_SARCOM+0, struct atmif_sioc32)
-#define ATM_GETSTATZ32    _IOW('a', ATMIOC_SARCOM+1, struct atmif_sioc32)
-#define ATM_GETLOOP32	  _IOW('a', ATMIOC_SARCOM+2, struct atmif_sioc32)
-#define ATM_SETLOOP32	  _IOW('a', ATMIOC_SARCOM+3, struct atmif_sioc32)
-#define ATM_QUERYLOOP32	  _IOW('a', ATMIOC_SARCOM+4, struct atmif_sioc32)
-
-static struct {
-        unsigned int cmd32;
-        unsigned int cmd;
-} atm_ioctl_map[] = {
-        { ATM_GETLINKRATE32, ATM_GETLINKRATE },
-	{ ATM_GETNAMES32,    ATM_GETNAMES },
-        { ATM_GETTYPE32,     ATM_GETTYPE },
-        { ATM_GETESI32,      ATM_GETESI },
-        { ATM_GETADDR32,     ATM_GETADDR },
-        { ATM_RSTADDR32,     ATM_RSTADDR },
-        { ATM_ADDADDR32,     ATM_ADDADDR },
-        { ATM_DELADDR32,     ATM_DELADDR },
-        { ATM_GETCIRANGE32,  ATM_GETCIRANGE },
-	{ ATM_SETCIRANGE32,  ATM_SETCIRANGE },
-	{ ATM_SETESI32,      ATM_SETESI },
-	{ ATM_SETESIF32,     ATM_SETESIF },
-	{ ATM_GETSTAT32,     ATM_GETSTAT },
-	{ ATM_GETSTATZ32,    ATM_GETSTATZ },
-	{ ATM_GETLOOP32,     ATM_GETLOOP },
-	{ ATM_SETLOOP32,     ATM_SETLOOP },
-	{ ATM_QUERYLOOP32,   ATM_QUERYLOOP }
-};
-
-#define NR_ATM_IOCTL ARRAY_SIZE(atm_ioctl_map)
-
-static int do_atm_iobuf(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	struct atm_iobuf   __user *iobuf;
-	struct atm_iobuf32 __user *iobuf32;
-	u32 data;
-	void __user *datap;
-	int len, err;
-
-	iobuf = compat_alloc_user_space(sizeof(*iobuf));
-	iobuf32 = compat_ptr(arg);
-
-	if (get_user(len, &iobuf32->length) ||
-	    get_user(data, &iobuf32->buffer))
-		return -EFAULT;
-	datap = compat_ptr(data);
-	if (put_user(len, &iobuf->length) ||
-	    put_user(datap, &iobuf->buffer))
-		return -EFAULT;
-
-	err = sys_ioctl(fd, cmd, (unsigned long)iobuf);
-
-	if (!err) {
-		if (copy_in_user(&iobuf32->length, &iobuf->length,
-				 sizeof(int)))
-			err = -EFAULT;
-	}
-
-	return err;
-}
-
-static int do_atmif_sioc(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-        struct atmif_sioc   __user *sioc;
-	struct atmif_sioc32 __user *sioc32;
-	u32 data;
-	void __user *datap;
-	int err;
-        
-	sioc = compat_alloc_user_space(sizeof(*sioc));
-	sioc32 = compat_ptr(arg);
-
-	if (copy_in_user(&sioc->number, &sioc32->number, 2 * sizeof(int)) ||
-	    get_user(data, &sioc32->arg))
-		return -EFAULT;
-	datap = compat_ptr(data);
-	if (put_user(datap, &sioc->arg))
-		return -EFAULT;
-
-	err = sys_ioctl(fd, cmd, (unsigned long) sioc);
-
-	if (!err) {
-		if (copy_in_user(&sioc32->length, &sioc->length,
-				 sizeof(int)))
-			err = -EFAULT;
-	}
-	return err;
-}
-
-static int do_atm_ioctl(unsigned int fd, unsigned int cmd32, unsigned long arg)
-{
-        int i;
-        unsigned int cmd = 0;
-        
-	switch (cmd32) {
-	case SONET_GETSTAT:
-	case SONET_GETSTATZ:
-	case SONET_GETDIAG:
-	case SONET_SETDIAG:
-	case SONET_CLRDIAG:
-	case SONET_SETFRAMING:
-	case SONET_GETFRAMING:
-	case SONET_GETFRSENSE:
-		return do_atmif_sioc(fd, cmd32, arg);
-	}
-
-	for (i = 0; i < NR_ATM_IOCTL; i++) {
-		if (cmd32 == atm_ioctl_map[i].cmd32) {
-			cmd = atm_ioctl_map[i].cmd;
-			break;
-		}
-	}
-	if (i == NR_ATM_IOCTL)
-	        return -EINVAL;
-        
-        switch (cmd) {
-	case ATM_GETNAMES:
-		return do_atm_iobuf(fd, cmd, arg);
-	    
-	case ATM_GETLINKRATE:
-        case ATM_GETTYPE:
-        case ATM_GETESI:
-        case ATM_GETADDR:
-        case ATM_RSTADDR:
-        case ATM_ADDADDR:
-        case ATM_DELADDR:
-        case ATM_GETCIRANGE:
-	case ATM_SETCIRANGE:
-	case ATM_SETESI:
-	case ATM_SETESIF:
-	case ATM_GETSTAT:
-	case ATM_GETSTATZ:
-	case ATM_GETLOOP:
-	case ATM_SETLOOP:
-	case ATM_QUERYLOOP:
-                return do_atmif_sioc(fd, cmd, arg);
-        }
-
-        return -EINVAL;
-}
-
 static __used int
 ret_einval(unsigned int fd, unsigned int cmd, unsigned long arg)
 {
@@ -1712,21 +1132,6 @@ static int do_i2c_smbus_ioctl(unsigned int fd, unsigned int cmd, unsigned long a
 	return sys_ioctl(fd, cmd, (unsigned long)tdata);
 }
 
-/* Since old style bridge ioctl's endup using SIOCDEVPRIVATE
- * for some operations; this forces use of the newer bridge-utils that
- * use compatible ioctls
- */
-static int old_bridge_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	u32 tmp;
-
-	if (get_user(tmp, (u32 __user *) arg))
-		return -EFAULT;
-	if (tmp == BRCTL_GET_VERSION)
-		return BRCTL_VERSION + 1;
-	return -EINVAL;
-}
-
 #define RTC_IRQP_READ32		_IOR('p', 0x0b, compat_ulong_t)
 #define RTC_IRQP_SET32		_IOW('p', 0x0c, compat_ulong_t)
 #define RTC_EPOCH_READ32	_IOR('p', 0x0d, compat_ulong_t)
@@ -2014,28 +1419,6 @@ COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */
 COMPATIBLE_IOCTL(MTIOCTOP)
 /* Socket level stuff */
 COMPATIBLE_IOCTL(FIOQSIZE)
-COMPATIBLE_IOCTL(FIOSETOWN)
-COMPATIBLE_IOCTL(SIOCSPGRP)
-COMPATIBLE_IOCTL(FIOGETOWN)
-COMPATIBLE_IOCTL(SIOCGPGRP)
-COMPATIBLE_IOCTL(SIOCATMARK)
-COMPATIBLE_IOCTL(SIOCSIFLINK)
-COMPATIBLE_IOCTL(SIOCSIFNAME)
-COMPATIBLE_IOCTL(SIOCSARP)
-COMPATIBLE_IOCTL(SIOCGARP)
-COMPATIBLE_IOCTL(SIOCDARP)
-COMPATIBLE_IOCTL(SIOCSRARP)
-COMPATIBLE_IOCTL(SIOCGRARP)
-COMPATIBLE_IOCTL(SIOCDRARP)
-COMPATIBLE_IOCTL(SIOCADDDLCI)
-COMPATIBLE_IOCTL(SIOCDELDLCI)
-COMPATIBLE_IOCTL(SIOCGMIIPHY)
-COMPATIBLE_IOCTL(SIOCGMIIREG)
-COMPATIBLE_IOCTL(SIOCSMIIREG)
-COMPATIBLE_IOCTL(SIOCGIFVLAN)
-COMPATIBLE_IOCTL(SIOCSIFVLAN)
-COMPATIBLE_IOCTL(SIOCBRADDBR)
-COMPATIBLE_IOCTL(SIOCBRDELBR)
 #ifdef CONFIG_BLOCK
 /* SG stuff */
 COMPATIBLE_IOCTL(SG_SET_TIMEOUT)
@@ -2291,22 +1674,6 @@ COMPATIBLE_IOCTL(RAW_SETBIND)
 COMPATIBLE_IOCTL(RAW_GETBIND)
 /* SMB ioctls which do not need any translations */
 COMPATIBLE_IOCTL(SMB_IOC_NEWCONN)
-/* Little a */
-COMPATIBLE_IOCTL(ATMSIGD_CTRL)
-COMPATIBLE_IOCTL(ATMARPD_CTRL)
-COMPATIBLE_IOCTL(ATMLEC_CTRL)
-COMPATIBLE_IOCTL(ATMLEC_MCAST)
-COMPATIBLE_IOCTL(ATMLEC_DATA)
-COMPATIBLE_IOCTL(ATM_SETSC)
-COMPATIBLE_IOCTL(SIOCSIFATMTCP)
-COMPATIBLE_IOCTL(SIOCMKCLIP)
-COMPATIBLE_IOCTL(ATMARP_MKIP)
-COMPATIBLE_IOCTL(ATMARP_SETENTRY)
-COMPATIBLE_IOCTL(ATMARP_ENCAP)
-COMPATIBLE_IOCTL(ATMTCP_CREATE)
-COMPATIBLE_IOCTL(ATMTCP_REMOVE)
-COMPATIBLE_IOCTL(ATMMPC_CTRL)
-COMPATIBLE_IOCTL(ATMMPC_DATA)
 /* Watchdog */
 COMPATIBLE_IOCTL(WDIOC_GETSUPPORT)
 COMPATIBLE_IOCTL(WDIOC_GETSTATUS)
@@ -2512,60 +1879,6 @@ COMPATIBLE_IOCTL(JSIOCGBUTTONS)
 COMPATIBLE_IOCTL(JSIOCGNAME(0))
 
 /* now things that need handlers */
-#ifdef CONFIG_NET
-HANDLE_IOCTL(SIOCGIFNAME, dev_ifname32)
-HANDLE_IOCTL(SIOCGIFCONF, dev_ifconf)
-HANDLE_IOCTL(SIOCGIFFLAGS, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFFLAGS, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFMETRIC, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFMETRIC, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFMTU, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFMTU, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFMEM, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFMEM, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFHWADDR, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFHWADDR, dev_ifsioc)
-HANDLE_IOCTL(SIOCADDMULTI, dev_ifsioc)
-HANDLE_IOCTL(SIOCDELMULTI, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFINDEX, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFMAP, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFMAP, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFADDR, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFADDR, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFHWBROADCAST, dev_ifsioc)
-HANDLE_IOCTL(SIOCSHWTSTAMP, dev_ifsioc)
-
-/* ioctls used by appletalk ddp.c */
-HANDLE_IOCTL(SIOCDIFADDR, dev_ifsioc)
-HANDLE_IOCTL(SIOCSARP, dev_ifsioc)
-HANDLE_IOCTL(SIOCDARP, dev_ifsioc)
-
-HANDLE_IOCTL(SIOCGIFBRDADDR, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFBRDADDR, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFDSTADDR, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFDSTADDR, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFNETMASK, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFNETMASK, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFPFLAGS, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFPFLAGS, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFTXQLEN, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFTXQLEN, dev_ifsioc)
-HANDLE_IOCTL(SIOCETHTOOL, ethtool_ioctl)
-HANDLE_IOCTL(SIOCBONDENSLAVE, bond_ioctl)
-HANDLE_IOCTL(SIOCBONDRELEASE, bond_ioctl)
-HANDLE_IOCTL(SIOCBONDSETHWADDR, bond_ioctl)
-HANDLE_IOCTL(SIOCBONDSLAVEINFOQUERY, bond_ioctl)
-HANDLE_IOCTL(SIOCBONDINFOQUERY, bond_ioctl)
-HANDLE_IOCTL(SIOCBONDCHANGEACTIVE, bond_ioctl)
-HANDLE_IOCTL(SIOCADDRT, routing_ioctl)
-HANDLE_IOCTL(SIOCDELRT, routing_ioctl)
-HANDLE_IOCTL(SIOCBRADDIF, dev_ifsioc)
-HANDLE_IOCTL(SIOCBRDELIF, dev_ifsioc)
-/* Note SIOCRTMSG is no longer, so this is safe and * the user would have seen just an -EINVAL anyways. */
-HANDLE_IOCTL(SIOCRTMSG, ret_einval)
-HANDLE_IOCTL(SIOCGSTAMP, do_siocgstamp)
-HANDLE_IOCTL(SIOCGSTAMPNS, do_siocgstampns)
-#endif
 #ifdef CONFIG_BLOCK
 HANDLE_IOCTL(SG_IO,sg_ioctl_trans)
 HANDLE_IOCTL(SG_GET_REQUEST_TABLE, sg_grt_trans)
@@ -2590,31 +1903,6 @@ HANDLE_IOCTL(KDFONTOP, do_kdfontop_ioctl)
 /* One SMB ioctl needs translations. */
 #define SMB_IOC_GETMOUNTUID_32 _IOR('u', 1, compat_uid_t)
 HANDLE_IOCTL(SMB_IOC_GETMOUNTUID_32, do_smb_getmountuid)
-HANDLE_IOCTL(ATM_GETLINKRATE32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_GETNAMES32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_GETTYPE32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_GETESI32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_GETADDR32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_RSTADDR32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_ADDADDR32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_DELADDR32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_GETCIRANGE32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_SETCIRANGE32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_SETESI32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_SETESIF32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_GETSTAT32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_GETSTATZ32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_GETLOOP32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_SETLOOP32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_QUERYLOOP32, do_atm_ioctl)
-HANDLE_IOCTL(SONET_GETSTAT, do_atm_ioctl)
-HANDLE_IOCTL(SONET_GETSTATZ, do_atm_ioctl)
-HANDLE_IOCTL(SONET_GETDIAG, do_atm_ioctl)
-HANDLE_IOCTL(SONET_SETDIAG, do_atm_ioctl)
-HANDLE_IOCTL(SONET_CLRDIAG, do_atm_ioctl)
-HANDLE_IOCTL(SONET_SETFRAMING, do_atm_ioctl)
-HANDLE_IOCTL(SONET_GETFRAMING, do_atm_ioctl)
-HANDLE_IOCTL(SONET_GETFRSENSE, do_atm_ioctl)
 /* block stuff */
 #ifdef CONFIG_BLOCK
 /* loop */
@@ -2649,11 +1937,7 @@ COMPATIBLE_IOCTL(USBDEVFS_IOCTL32)
 HANDLE_IOCTL(I2C_FUNCS, w_long)
 HANDLE_IOCTL(I2C_RDWR, do_i2c_rdwr_ioctl)
 HANDLE_IOCTL(I2C_SMBUS, do_i2c_smbus_ioctl)
-/* bridge */
-HANDLE_IOCTL(SIOCSIFBR, old_bridge_ioctl)
-HANDLE_IOCTL(SIOCGIFBR, old_bridge_ioctl)
 /* Not implemented in the native kernel */
-IGNORE_IOCTL(SIOCGIFCOUNT)
 HANDLE_IOCTL(RTC_IRQP_READ32, rtc_ioctl)
 HANDLE_IOCTL(RTC_IRQP_SET32, rtc_ioctl)
 HANDLE_IOCTL(RTC_EPOCH_READ32, rtc_ioctl)
@@ -2808,12 +2092,6 @@ asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
 			goto found_handler;
 	}
 
-#ifdef CONFIG_NET
-	if (S_ISSOCK(filp->f_path.dentry->d_inode->i_mode) &&
-	    cmd >= SIOCDEVPRIVATE && cmd <= (SIOCDEVPRIVATE + 15)) {
-		error = siocdevprivate_ioctl(fd, cmd, arg);
-	} else
-#endif
 	{
 		static int count;
 
diff --git a/net/socket.c b/net/socket.c
index 344bd230b83..901d709a7be 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -97,6 +97,20 @@
 #include <net/sock.h>
 #include <linux/netfilter.h>
 
+#include <linux/if_tun.h>
+#include <linux/ipv6_route.h>
+#include <linux/route.h>
+#include <linux/atmdev.h>
+#include <linux/atmarp.h>
+#include <linux/atmsvc.h>
+#include <linux/atmlec.h>
+#include <linux/atmclip.h>
+#include <linux/atmmpc.h>
+#include <linux/atm_tcp.h>
+#include <linux/sonet.h>
+#include <linux/sockios.h>
+#include <linux/atalk.h>
+
 static int sock_no_open(struct inode *irrelevant, struct file *dontcare);
 static ssize_t sock_aio_read(struct kiocb *iocb, const struct iovec *iov,
 			 unsigned long nr_segs, loff_t pos);
@@ -919,6 +933,24 @@ void dlci_ioctl_set(int (*hook) (unsigned int, void __user *))
 
 EXPORT_SYMBOL(dlci_ioctl_set);
 
+static long sock_do_ioctl(struct net *net, struct socket *sock,
+				 unsigned int cmd, unsigned long arg)
+{
+	int err;
+	void __user *argp = (void __user *)arg;
+
+	err = sock->ops->ioctl(sock, cmd, arg);
+
+	/*
+	 * If this ioctl is unknown try to hand it down
+	 * to the NIC driver.
+	 */
+	if (err == -ENOIOCTLCMD)
+		err = dev_ioctl(net, cmd, argp);
+
+	return err;
+}
+
 /*
  *	With an ioctl, arg may well be a user mode pointer, but we don't know
  *	what to do with it - that's up to the protocol still.
@@ -992,14 +1024,7 @@ static long sock_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 			mutex_unlock(&dlci_ioctl_mutex);
 			break;
 		default:
-			err = sock->ops->ioctl(sock, cmd, arg);
-
-			/*
-			 * If this ioctl is unknown try to hand it down
-			 * to the NIC driver.
-			 */
-			if (err == -ENOIOCTLCMD)
-				err = dev_ioctl(net, cmd, argp);
+			err = sock_do_ioctl(net, sock, cmd, arg);
 			break;
 		}
 	return err;
@@ -2459,16 +2484,15 @@ void socket_seq_show(struct seq_file *seq)
 #endif				/* CONFIG_PROC_FS */
 
 #ifdef CONFIG_COMPAT
-#if 0
-static int do_siocgstamp(unsigned int fd, unsigned int cmd, unsigned long arg)
+static int do_siocgstamp(struct net *net, struct socket *sock,
+			 unsigned int cmd, struct compat_timeval __user *up)
 {
-	struct compat_timeval __user *up = compat_ptr(arg);
 	mm_segment_t old_fs = get_fs();
 	struct timeval ktv;
 	int err;
 
 	set_fs(KERNEL_DS);
-	err = sys_ioctl(fd, cmd, (unsigned long)&ktv);
+	err = sock_do_ioctl(net, sock, cmd, (unsigned long)&ktv);
 	set_fs(old_fs);
 	if (!err) {
 		err = put_user(ktv.tv_sec, &up->tv_sec);
@@ -2477,15 +2501,15 @@ static int do_siocgstamp(unsigned int fd, unsigned int cmd, unsigned long arg)
 	return err;
 }
 
-static int do_siocgstampns(unsigned int fd, unsigned int cmd, unsigned long arg)
+static int do_siocgstampns(struct net *net, struct socket *sock,
+			 unsigned int cmd, struct compat_timespec __user *up)
 {
-	struct compat_timespec __user *up = compat_ptr(arg);
 	mm_segment_t old_fs = get_fs();
 	struct timespec kts;
 	int err;
 
 	set_fs(KERNEL_DS);
-	err = sys_ioctl(fd, cmd, (unsigned long)&kts);
+	err = sock_do_ioctl(net, sock, cmd, (unsigned long)&kts);
 	set_fs(old_fs);
 	if (!err) {
 		err = put_user(kts.tv_sec, &up->tv_sec);
@@ -2494,73 +2518,36 @@ static int do_siocgstampns(unsigned int fd, unsigned int cmd, unsigned long arg)
 	return err;
 }
 
-struct ifmap32 {
-	compat_ulong_t mem_start;
-	compat_ulong_t mem_end;
-	unsigned short base_addr;
-	unsigned char irq;
-	unsigned char dma;
-	unsigned char port;
-};
-
-struct ifreq32 {
-#define IFHWADDRLEN     6
-#define IFNAMSIZ        16
-	union {
-		char    ifrn_name[IFNAMSIZ];            /* if name, e.g. "en0" */
-	} ifr_ifrn;
-	union {
-		struct  sockaddr ifru_addr;
-		struct  sockaddr ifru_dstaddr;
-		struct  sockaddr ifru_broadaddr;
-		struct  sockaddr ifru_netmask;
-		struct  sockaddr ifru_hwaddr;
-		short   ifru_flags;
-		compat_int_t     ifru_ivalue;
-		compat_int_t     ifru_mtu;
-		struct  ifmap32 ifru_map;
-		char    ifru_slave[IFNAMSIZ];   /* Just fits the size */
-		char	ifru_newname[IFNAMSIZ];
-		compat_caddr_t ifru_data;
-		/* XXXX? ifru_settings should be here */
-	} ifr_ifru;
-};
-
-struct ifconf32 {
-	compat_int_t	ifc_len;                        /* size of buffer       */
-	compat_caddr_t  ifcbuf;
-};
-
-static int dev_ifname32(unsigned int fd, unsigned int cmd, unsigned long arg)
+static int dev_ifname32(struct net *net, struct compat_ifreq __user *uifr32)
 {
 	struct ifreq __user *uifr;
 	int err;
 
 	uifr = compat_alloc_user_space(sizeof(struct ifreq));
-	if (copy_in_user(uifr, compat_ptr(arg), sizeof(struct ifreq32)))
+	if (copy_in_user(uifr, uifr32, sizeof(struct compat_ifreq)))
 		return -EFAULT;
 
-	err = sys_ioctl(fd, SIOCGIFNAME, (unsigned long)uifr);
+	err = dev_ioctl(net, SIOCGIFNAME, uifr);
 	if (err)
 		return err;
 
-	if (copy_in_user(compat_ptr(arg), uifr, sizeof(struct ifreq32)))
+	if (copy_in_user(uifr32, uifr, sizeof(struct compat_ifreq)))
 		return -EFAULT;
 
 	return 0;
 }
 
-static int dev_ifconf(unsigned int fd, unsigned int cmd, unsigned long arg)
+static int dev_ifconf(struct net *net, struct compat_ifconf __user *uifc32)
 {
-	struct ifconf32 ifc32;
+	struct compat_ifconf ifc32;
 	struct ifconf ifc;
 	struct ifconf __user *uifc;
-	struct ifreq32 __user *ifr32;
+	struct compat_ifreq __user *ifr32;
 	struct ifreq __user *ifr;
 	unsigned int i, j;
 	int err;
 
-	if (copy_from_user(&ifc32, compat_ptr(arg), sizeof(struct ifconf32)))
+	if (copy_from_user(&ifc32, uifc32, sizeof(struct compat_ifconf)))
 		return -EFAULT;
 
 	if (ifc32.ifcbuf == 0) {
@@ -2569,14 +2556,14 @@ static int dev_ifconf(unsigned int fd, unsigned int cmd, unsigned long arg)
 		ifc.ifc_req = NULL;
 		uifc = compat_alloc_user_space(sizeof(struct ifconf));
 	} else {
-		size_t len =((ifc32.ifc_len / sizeof (struct ifreq32)) + 1) *
+		size_t len =((ifc32.ifc_len / sizeof (struct compat_ifreq)) + 1) *
 			sizeof (struct ifreq);
 		uifc = compat_alloc_user_space(sizeof(struct ifconf) + len);
 		ifc.ifc_len = len;
 		ifr = ifc.ifc_req = (void __user *)(uifc + 1);
 		ifr32 = compat_ptr(ifc32.ifcbuf);
-		for (i = 0; i < ifc32.ifc_len; i += sizeof (struct ifreq32)) {
-			if (copy_in_user(ifr, ifr32, sizeof(struct ifreq32)))
+		for (i = 0; i < ifc32.ifc_len; i += sizeof (struct compat_ifreq)) {
+			if (copy_in_user(ifr, ifr32, sizeof(struct compat_ifreq)))
 				return -EFAULT;
 			ifr++;
 			ifr32++;
@@ -2585,7 +2572,7 @@ static int dev_ifconf(unsigned int fd, unsigned int cmd, unsigned long arg)
 	if (copy_to_user(uifc, &ifc, sizeof(struct ifconf)))
 		return -EFAULT;
 
-	err = sys_ioctl (fd, SIOCGIFCONF, (unsigned long)uifc);
+	err = dev_ioctl(net, SIOCGIFCONF, uifc);
 	if (err)
 		return err;
 
@@ -2595,9 +2582,9 @@ static int dev_ifconf(unsigned int fd, unsigned int cmd, unsigned long arg)
 	ifr = ifc.ifc_req;
 	ifr32 = compat_ptr(ifc32.ifcbuf);
 	for (i = 0, j = 0;
-             i + sizeof (struct ifreq32) <= ifc32.ifc_len && j < ifc.ifc_len;
-	     i += sizeof (struct ifreq32), j += sizeof (struct ifreq)) {
-		if (copy_in_user(ifr32, ifr, sizeof (struct ifreq32)))
+             i + sizeof (struct compat_ifreq) <= ifc32.ifc_len && j < ifc.ifc_len;
+	     i += sizeof (struct compat_ifreq), j += sizeof (struct ifreq)) {
+		if (copy_in_user(ifr32, ifr, sizeof (struct compat_ifreq)))
 			return -EFAULT;
 		ifr32++;
 		ifr++;
@@ -2608,26 +2595,24 @@ static int dev_ifconf(unsigned int fd, unsigned int cmd, unsigned long arg)
 		 * a 32-bit one.
 		 */
 		i = ifc.ifc_len;
-		i = ((i / sizeof(struct ifreq)) * sizeof(struct ifreq32));
+		i = ((i / sizeof(struct ifreq)) * sizeof(struct compat_ifreq));
 		ifc32.ifc_len = i;
 	} else {
 		ifc32.ifc_len = i;
 	}
-	if (copy_to_user(compat_ptr(arg), &ifc32, sizeof(struct ifconf32)))
+	if (copy_to_user(uifc32, &ifc32, sizeof(struct compat_ifconf)))
 		return -EFAULT;
 
 	return 0;
 }
 
-static int ethtool_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
+static int ethtool_ioctl(struct net *net, struct compat_ifreq __user *ifr32)
 {
 	struct ifreq __user *ifr;
-	struct ifreq32 __user *ifr32;
 	u32 data;
 	void __user *datap;
 
 	ifr = compat_alloc_user_space(sizeof(*ifr));
-	ifr32 = compat_ptr(arg);
 
 	if (copy_in_user(&ifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ))
 		return -EFAULT;
@@ -2639,14 +2624,14 @@ static int ethtool_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
 	if (put_user(datap, &ifr->ifr_ifru.ifru_data))
 		return -EFAULT;
 
-	return sys_ioctl(fd, cmd, (unsigned long) ifr);
+	return dev_ioctl(net, SIOCETHTOOL, ifr);
 }
 
-static int bond_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
+static int bond_ioctl(struct net *net, unsigned int cmd,
+			 struct compat_ifreq __user *ifr32)
 {
 	struct ifreq kifr;
 	struct ifreq __user *uifr;
-	struct ifreq32 __user *ifr32 = compat_ptr(arg);
 	mm_segment_t old_fs;
 	int err;
 	u32 data;
@@ -2657,12 +2642,12 @@ static int bond_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
 	case SIOCBONDRELEASE:
 	case SIOCBONDSETHWADDR:
 	case SIOCBONDCHANGEACTIVE:
-		if (copy_from_user(&kifr, ifr32, sizeof(struct ifreq32)))
+		if (copy_from_user(&kifr, ifr32, sizeof(struct compat_ifreq)))
 			return -EFAULT;
 
 		old_fs = get_fs();
 		set_fs (KERNEL_DS);
-		err = sys_ioctl (fd, cmd, (unsigned long)&kifr);
+		err = dev_ioctl(net, cmd, &kifr);
 		set_fs (old_fs);
 
 		return err;
@@ -2679,16 +2664,16 @@ static int bond_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
 		if (put_user(datap, &uifr->ifr_ifru.ifru_data))
 			return -EFAULT;
 
-		return sys_ioctl (fd, cmd, (unsigned long)uifr);
+		return dev_ioctl(net, cmd, uifr);
 	default:
 		return -EINVAL;
 	};
 }
 
-static int siocdevprivate_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
+static int siocdevprivate_ioctl(struct net *net, unsigned int cmd,
+				 struct compat_ifreq __user *u_ifreq32)
 {
 	struct ifreq __user *u_ifreq64;
-	struct ifreq32 __user *u_ifreq32 = compat_ptr(arg);
 	char tmp_buf[IFNAMSIZ];
 	void __user *data64;
 	u32 data32;
@@ -2711,18 +2696,17 @@ static int siocdevprivate_ioctl(unsigned int fd, unsigned int cmd, unsigned long
 	if (__put_user(data64, &u_ifreq64->ifr_ifru.ifru_data))
 		return -EFAULT;
 
-	return sys_ioctl(fd, cmd, (unsigned long) u_ifreq64);
+	return dev_ioctl(net, cmd, u_ifreq64);
 }
 
-static int dev_ifsioc(unsigned int fd, unsigned int cmd, unsigned long arg)
+static int dev_ifsioc(struct net *net, struct socket *sock,
+			 unsigned int cmd, struct compat_ifreq __user *uifr32)
 {
 	struct ifreq ifr;
-	struct ifreq32 __user *uifr32;
-	struct ifmap32 __user *uifmap32;
+	struct compat_ifmap __user *uifmap32;
 	mm_segment_t old_fs;
 	int err;
 
-	uifr32 = compat_ptr(arg);
 	uifmap32 = &uifr32->ifr_ifru.ifru_map;
 	switch (cmd) {
 	case SIOCSIFMAP:
@@ -2748,7 +2732,7 @@ static int dev_ifsioc(unsigned int fd, unsigned int cmd, unsigned long arg)
 	}
 	old_fs = get_fs();
 	set_fs (KERNEL_DS);
-	err = sys_ioctl (fd, cmd, (unsigned long)&ifr);
+	err = sock_do_ioctl(net, sock, cmd, (unsigned long)&ifr);
 	set_fs (old_fs);
 	if (!err) {
 		switch (cmd) {
@@ -2813,7 +2797,8 @@ struct in6_rtmsg32 {
 	s32			rtmsg_ifindex;
 };
 
-static int routing_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
+static int routing_ioctl(struct net *net, struct socket *sock,
+			 unsigned int cmd, void __user *argp)
 {
 	int ret;
 	void *r = NULL;
@@ -2823,10 +2808,8 @@ static int routing_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
 	u32 rtdev;
 	mm_segment_t old_fs = get_fs();
 
-	struct socket *mysock = sockfd_lookup(fd, &ret);
-
-	if (mysock && mysock->sk && mysock->sk->sk_family == AF_INET6) { /* ipv6 */
-		struct in6_rtmsg32 __user *ur6 = compat_ptr(arg);
+	if (sock && sock->sk && sock->sk->sk_family == AF_INET6) { /* ipv6 */
+		struct in6_rtmsg32 __user *ur6 = argp;
 		ret = copy_from_user (&r6.rtmsg_dst, &(ur6->rtmsg_dst),
 			3 * sizeof(struct in6_addr));
 		ret |= __get_user (r6.rtmsg_type, &(ur6->rtmsg_type));
@@ -2839,7 +2822,7 @@ static int routing_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
 
 		r = (void *) &r6;
 	} else { /* ipv4 */
-		struct rtentry32 __user *ur4 = compat_ptr(arg);
+		struct rtentry32 __user *ur4 = argp;
 		ret = copy_from_user (&r4.rt_dst, &(ur4->rt_dst),
 					3 * sizeof(struct sockaddr));
 		ret |= __get_user (r4.rt_flags, &(ur4->rt_flags));
@@ -2863,13 +2846,10 @@ static int routing_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
 	}
 
 	set_fs (KERNEL_DS);
-	ret = sys_ioctl (fd, cmd, (unsigned long) r);
+	ret = sock_do_ioctl(net, sock, cmd, (unsigned long) r);
 	set_fs (old_fs);
 
 out:
-	if (mysock)
-		sockfd_put(mysock);
-
 	return ret;
 }
 
@@ -2877,11 +2857,11 @@ out:
  * for some operations; this forces use of the newer bridge-utils that
  * use compatiable ioctls
  */
-static int old_bridge_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
+static int old_bridge_ioctl(compat_ulong_t __user *argp)
 {
-	u32 tmp;
+	compat_ulong_t tmp;
 
-	if (get_user(tmp, (u32 __user *) arg))
+	if (get_user(tmp, argp))
 		return -EFAULT;
 	if (tmp == BRCTL_GET_VERSION)
 		return BRCTL_VERSION + 1;
@@ -2942,7 +2922,8 @@ static struct {
 
 #define NR_ATM_IOCTL ARRAY_SIZE(atm_ioctl_map)
 
-static int do_atm_iobuf(unsigned int fd, unsigned int cmd, unsigned long arg)
+static int do_atm_iobuf(struct net *net, struct socket *sock,
+			 unsigned int cmd, unsigned long arg)
 {
 	struct atm_iobuf   __user *iobuf;
 	struct atm_iobuf32 __user *iobuf32;
@@ -2961,7 +2942,7 @@ static int do_atm_iobuf(unsigned int fd, unsigned int cmd, unsigned long arg)
 	    put_user(datap, &iobuf->buffer))
 		return -EFAULT;
 
-	err = sys_ioctl(fd, cmd, (unsigned long)iobuf);
+	err = sock_do_ioctl(net, sock, cmd, (unsigned long)iobuf);
 
 	if (!err) {
 		if (copy_in_user(&iobuf32->length, &iobuf->length,
@@ -2972,7 +2953,8 @@ static int do_atm_iobuf(unsigned int fd, unsigned int cmd, unsigned long arg)
 	return err;
 }
 
-static int do_atmif_sioc(unsigned int fd, unsigned int cmd, unsigned long arg)
+static int do_atmif_sioc(struct net *net, struct socket *sock,
+			 unsigned int cmd, unsigned long arg)
 {
 	struct atmif_sioc   __user *sioc;
 	struct atmif_sioc32 __user *sioc32;
@@ -2990,7 +2972,7 @@ static int do_atmif_sioc(unsigned int fd, unsigned int cmd, unsigned long arg)
 	if (put_user(datap, &sioc->arg))
 		return -EFAULT;
 
-	err = sys_ioctl(fd, cmd, (unsigned long) sioc);
+	err = sock_do_ioctl(net, sock, cmd, (unsigned long) sioc);
 
 	if (!err) {
 		if (copy_in_user(&sioc32->length, &sioc->length,
@@ -3000,7 +2982,8 @@ static int do_atmif_sioc(unsigned int fd, unsigned int cmd, unsigned long arg)
 	return err;
 }
 
-static int do_atm_ioctl(unsigned int fd, unsigned int cmd32, unsigned long arg)
+static int do_atm_ioctl(struct net *net, struct socket *sock,
+			 unsigned int cmd32, unsigned long arg)
 {
 	int i;
 	unsigned int cmd = 0;
@@ -3014,7 +2997,7 @@ static int do_atm_ioctl(unsigned int fd, unsigned int cmd32, unsigned long arg)
 	case SONET_SETFRAMING:
 	case SONET_GETFRAMING:
 	case SONET_GETFRSENSE:
-		return do_atmif_sioc(fd, cmd32, arg);
+		return do_atmif_sioc(net, sock, cmd32, arg);
 	}
 
 	for (i = 0; i < NR_ATM_IOCTL; i++) {
@@ -3028,7 +3011,7 @@ static int do_atm_ioctl(unsigned int fd, unsigned int cmd32, unsigned long arg)
 
         switch (cmd) {
 	case ATM_GETNAMES:
-		return do_atm_iobuf(fd, cmd, arg);
+		return do_atm_iobuf(net, sock, cmd, arg);
 
 	case ATM_GETLINKRATE:
 	case ATM_GETTYPE:
@@ -3046,134 +3029,160 @@ static int do_atm_ioctl(unsigned int fd, unsigned int cmd32, unsigned long arg)
 	case ATM_GETLOOP:
 	case ATM_SETLOOP:
 	case ATM_QUERYLOOP:
-		return do_atmif_sioc(fd, cmd, arg);
+		return do_atmif_sioc(net, sock, cmd, arg);
 	}
 
 	return -EINVAL;
 }
 
+static int compat_sock_ioctl_trans(struct file *file, struct socket *sock,
+			 unsigned int cmd, unsigned long arg)
+{
+	void __user *argp = compat_ptr(arg);
+	struct sock *sk = sock->sk;
+	struct net *net = sock_net(sk);
 
-/* bridge */
-HANDLE_IOCTL(SIOCSIFBR, old_bridge_ioctl)
-HANDLE_IOCTL(SIOCGIFBR, old_bridge_ioctl)
-#ifdef CONFIG_NET
-HANDLE_IOCTL(SIOCGIFNAME, dev_ifname32)
-HANDLE_IOCTL(SIOCGIFCONF, dev_ifconf)
-HANDLE_IOCTL(SIOCGIFFLAGS, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFFLAGS, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFMETRIC, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFMETRIC, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFMTU, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFMTU, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFMEM, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFMEM, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFHWADDR, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFHWADDR, dev_ifsioc)
-HANDLE_IOCTL(SIOCADDMULTI, dev_ifsioc)
-HANDLE_IOCTL(SIOCDELMULTI, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFINDEX, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFMAP, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFMAP, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFADDR, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFADDR, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFHWBROADCAST, dev_ifsioc)
-HANDLE_IOCTL(SIOCSHWTSTAMP, dev_ifsioc)
-
-HANDLE_IOCTL(SIOCDIFADDR, dev_ifsioc)
-HANDLE_IOCTL(SIOCSARP, dev_ifsioc)
-HANDLE_IOCTL(SIOCDARP, dev_ifsioc)
-
-HANDLE_IOCTL(SIOCGIFBRDADDR, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFBRDADDR, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFDSTADDR, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFDSTADDR, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFNETMASK, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFNETMASK, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFPFLAGS, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFPFLAGS, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFTXQLEN, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFTXQLEN, dev_ifsioc)
-HANDLE_IOCTL(SIOCETHTOOL, ethtool_ioctl)
-HANDLE_IOCTL(SIOCBONDENSLAVE, bond_ioctl)
-HANDLE_IOCTL(SIOCBONDRELEASE, bond_ioctl)
-HANDLE_IOCTL(SIOCBONDSETHWADDR, bond_ioctl)
-HANDLE_IOCTL(SIOCBONDSLAVEINFOQUERY, bond_ioctl)
-HANDLE_IOCTL(SIOCBONDINFOQUERY, bond_ioctl)
-HANDLE_IOCTL(SIOCBONDCHANGEACTIVE, bond_ioctl)
-HANDLE_IOCTL(SIOCADDRT, routing_ioctl)
-HANDLE_IOCTL(SIOCDELRT, routing_ioctl)
-HANDLE_IOCTL(SIOCBRADDIF, dev_ifsioc)
-HANDLE_IOCTL(SIOCBRDELIF, dev_ifsioc)
-/* Note SIOCRTMSG is no longer, so this is safe and * the user would have seen just an -EINVAL anyways. */
-HANDLE_IOCTL(SIOCRTMSG, ret_einval)
-HANDLE_IOCTL(SIOCGSTAMP, do_siocgstamp)
-HANDLE_IOCTL(SIOCGSTAMPNS, do_siocgstampns)
-#endif
-IGNORE_IOCTL(SIOCGIFCOUNT)
-/* Little a */
-COMPATIBLE_IOCTL(ATMSIGD_CTRL)
-COMPATIBLE_IOCTL(ATMARPD_CTRL)
-COMPATIBLE_IOCTL(ATMLEC_CTRL)
-COMPATIBLE_IOCTL(ATMLEC_MCAST)
-COMPATIBLE_IOCTL(ATMLEC_DATA)
-COMPATIBLE_IOCTL(ATM_SETSC)
-COMPATIBLE_IOCTL(SIOCSIFATMTCP)
-COMPATIBLE_IOCTL(SIOCMKCLIP)
-COMPATIBLE_IOCTL(ATMARP_MKIP)
-COMPATIBLE_IOCTL(ATMARP_SETENTRY)
-COMPATIBLE_IOCTL(ATMARP_ENCAP)
-COMPATIBLE_IOCTL(ATMTCP_CREATE)
-COMPATIBLE_IOCTL(ATMTCP_REMOVE)
-COMPATIBLE_IOCTL(ATMMPC_CTRL)
-COMPATIBLE_IOCTL(ATMMPC_DATA)
-HANDLE_IOCTL(ATM_GETLINKRATE32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_GETNAMES32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_GETTYPE32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_GETESI32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_GETADDR32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_RSTADDR32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_ADDADDR32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_DELADDR32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_GETCIRANGE32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_SETCIRANGE32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_SETESI32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_SETESIF32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_GETSTAT32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_GETSTATZ32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_GETLOOP32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_SETLOOP32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_QUERYLOOP32, do_atm_ioctl)
-HANDLE_IOCTL(SONET_GETSTAT, do_atm_ioctl)
-HANDLE_IOCTL(SONET_GETSTATZ, do_atm_ioctl)
-HANDLE_IOCTL(SONET_GETDIAG, do_atm_ioctl)
-HANDLE_IOCTL(SONET_SETDIAG, do_atm_ioctl)
-HANDLE_IOCTL(SONET_CLRDIAG, do_atm_ioctl)
-HANDLE_IOCTL(SONET_SETFRAMING, do_atm_ioctl)
-HANDLE_IOCTL(SONET_GETFRAMING, do_atm_ioctl)
-HANDLE_IOCTL(SONET_GETFRSENSE, do_atm_ioctl)
-COMPATIBLE_IOCTL(FIOSETOWN)
-COMPATIBLE_IOCTL(SIOCSPGRP)
-COMPATIBLE_IOCTL(FIOGETOWN)
-COMPATIBLE_IOCTL(SIOCGPGRP)
-COMPATIBLE_IOCTL(SIOCATMARK)
-COMPATIBLE_IOCTL(SIOCSIFLINK)
-COMPATIBLE_IOCTL(SIOCSIFNAME)
-COMPATIBLE_IOCTL(SIOCSARP)
-COMPATIBLE_IOCTL(SIOCGARP)
-COMPATIBLE_IOCTL(SIOCDARP)
-COMPATIBLE_IOCTL(SIOCSRARP)
-COMPATIBLE_IOCTL(SIOCGRARP)
-COMPATIBLE_IOCTL(SIOCDRARP)
-COMPATIBLE_IOCTL(SIOCADDDLCI)
-COMPATIBLE_IOCTL(SIOCDELDLCI)
-COMPATIBLE_IOCTL(SIOCGMIIPHY)
-COMPATIBLE_IOCTL(SIOCGMIIREG)
-COMPATIBLE_IOCTL(SIOCSMIIREG)
-COMPATIBLE_IOCTL(SIOCGIFVLAN)
-COMPATIBLE_IOCTL(SIOCSIFVLAN)
-COMPATIBLE_IOCTL(SIOCBRADDBR)
-COMPATIBLE_IOCTL(SIOCBRDELBR)
-#endif
+	if (cmd >= SIOCDEVPRIVATE && cmd <= (SIOCDEVPRIVATE + 15))
+		return siocdevprivate_ioctl(net, cmd, argp);
+
+	switch (cmd) {
+	case SIOCSIFBR:
+	case SIOCGIFBR:
+		return old_bridge_ioctl(argp);
+	case SIOCGIFNAME:
+		return dev_ifname32(net, argp);
+	case SIOCGIFCONF:
+		return dev_ifconf(net, argp);
+	case SIOCETHTOOL:
+		return ethtool_ioctl(net, argp);
+	case SIOCBONDENSLAVE:
+	case SIOCBONDRELEASE:
+	case SIOCBONDSETHWADDR:
+	case SIOCBONDSLAVEINFOQUERY:
+	case SIOCBONDINFOQUERY:
+	case SIOCBONDCHANGEACTIVE:
+		return bond_ioctl(net, cmd, argp);
+	case SIOCADDRT:
+	case SIOCDELRT:
+		return routing_ioctl(net, sock, cmd, argp);
+	case SIOCGSTAMP:
+		return do_siocgstamp(net, sock, cmd, argp);
+	case SIOCGSTAMPNS:
+		return do_siocgstampns(net, sock, cmd, argp);
+/* Note SIOCRTMSG is no longer, so this is safe and
+ * the user would have seen just an -EINVAL anyways. */
+	case SIOCRTMSG:
+	case SIOCGIFCOUNT:
+		return -EINVAL;
+
+	case FIOSETOWN:
+	case SIOCSPGRP:
+	case FIOGETOWN:
+	case SIOCGPGRP:
+	case SIOCBRADDBR:
+	case SIOCBRDELBR:
+	case SIOCGIFVLAN:
+	case SIOCSIFVLAN:
+	case SIOCADDDLCI:
+	case SIOCDELDLCI:
+		return sock_ioctl(file, cmd, arg);
+
+	case SIOCGIFFLAGS:
+	case SIOCSIFFLAGS:
+	case SIOCGIFMETRIC:
+	case SIOCSIFMETRIC:
+	case SIOCGIFMTU:
+	case SIOCSIFMTU:
+	case SIOCGIFMEM:
+	case SIOCSIFMEM:
+	case SIOCGIFHWADDR:
+	case SIOCSIFHWADDR:
+	case SIOCADDMULTI:
+	case SIOCDELMULTI:
+	case SIOCGIFINDEX:
+	case SIOCGIFMAP:
+	case SIOCSIFMAP:
+	case SIOCGIFADDR:
+	case SIOCSIFADDR:
+	case SIOCSIFHWBROADCAST:
+	case SIOCSHWTSTAMP:
+	case SIOCDIFADDR:
+/*	case SIOCSARP: duplicate */
+/*	case SIOCDARP: duplicate */
+	case SIOCGIFBRDADDR:
+	case SIOCSIFBRDADDR:
+	case SIOCGIFDSTADDR:
+	case SIOCSIFDSTADDR:
+	case SIOCGIFNETMASK:
+	case SIOCSIFNETMASK:
+	case SIOCSIFPFLAGS:
+	case SIOCGIFPFLAGS:
+	case SIOCGIFTXQLEN:
+	case SIOCSIFTXQLEN:
+	case SIOCBRADDIF:
+	case SIOCBRDELIF:
+		return dev_ifsioc(net, sock, cmd, argp);
+	case ATM_GETLINKRATE32:
+	case ATM_GETNAMES32:
+	case ATM_GETTYPE32:
+	case ATM_GETESI32:
+	case ATM_GETADDR32:
+	case ATM_RSTADDR32:
+	case ATM_ADDADDR32:
+	case ATM_DELADDR32:
+	case ATM_GETCIRANGE32:
+	case ATM_SETCIRANGE32:
+	case ATM_SETESI32:
+	case ATM_SETESIF32:
+	case ATM_GETSTAT32:
+	case ATM_GETSTATZ32:
+	case ATM_GETLOOP32:
+	case ATM_SETLOOP32:
+	case ATM_QUERYLOOP32:
+	case SONET_GETSTAT:
+	case SONET_GETSTATZ:
+	case SONET_GETDIAG:
+	case SONET_SETDIAG:
+	case SONET_CLRDIAG:
+	case SONET_SETFRAMING:
+	case SONET_GETFRAMING:
+	case SONET_GETFRSENSE:
+		return do_atm_ioctl(net, sock, cmd, arg);
+
+	case ATMSIGD_CTRL:
+	case ATMARPD_CTRL:
+	case ATMLEC_CTRL:
+	case ATMLEC_MCAST:
+	case ATMLEC_DATA:
+	case ATM_SETSC:
+	case SIOCSIFATMTCP:
+	case SIOCMKCLIP:
+	case ATMARP_MKIP:
+	case ATMARP_SETENTRY:
+	case ATMARP_ENCAP:
+	case ATMTCP_CREATE:
+	case ATMTCP_REMOVE:
+	case ATMMPC_CTRL:
+	case ATMMPC_DATA:
+
+	case SIOCSARP:
+	case SIOCGARP:
+	case SIOCDARP:
+
+	case SIOCATMARK:
+	case SIOCSIFLINK:
+	case SIOCSIFNAME:
+	case SIOCSRARP:
+	case SIOCGRARP:
+	case SIOCDRARP:
+	case SIOCGMIIPHY:
+	case SIOCGMIIREG:
+	case SIOCSMIIREG:
+		return sock_do_ioctl(net, sock, cmd, arg);
+	}
+
+	return -ENOIOCTLCMD;
+}
 
 static long compat_sock_ioctl(struct file *file, unsigned cmd,
 			      unsigned long arg)
@@ -3193,6 +3202,9 @@ static long compat_sock_ioctl(struct file *file, unsigned cmd,
 	    (cmd >= SIOCIWFIRST && cmd <= SIOCIWLAST))
 		ret = compat_wext_handle_ioctl(net, cmd, arg);
 
+	if (ret == -ENOIOCTLCMD)
+		ret = compat_sock_ioctl_trans(file, sock, cmd, arg);
+
 	return ret;
 }
 #endif
-- 
GitLab


From 9177efd3991e2cb3f5643a01d3be22121cab6efc Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Fri, 6 Nov 2009 08:09:09 +0000
Subject: [PATCH 1018/1815] net, compat_ioctl: handle more ioctls correctly

The MII ioctls and SIOCSIFNAME need to go through ifsioc conversion,
which they never did so far. Some others are not implemented in the
native path, so we can just return -EINVAL directly.

Add IFSLAVE ioctls to the EINVAL list and move it to the end to
optimize the code path for the common case.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/socket.c | 31 +++++++++++++++++--------------
 1 file changed, 17 insertions(+), 14 deletions(-)

diff --git a/net/socket.c b/net/socket.c
index 901d709a7be..bfbde200b74 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -3069,11 +3069,6 @@ static int compat_sock_ioctl_trans(struct file *file, struct socket *sock,
 		return do_siocgstamp(net, sock, cmd, argp);
 	case SIOCGSTAMPNS:
 		return do_siocgstampns(net, sock, cmd, argp);
-/* Note SIOCRTMSG is no longer, so this is safe and
- * the user would have seen just an -EINVAL anyways. */
-	case SIOCRTMSG:
-	case SIOCGIFCOUNT:
-		return -EINVAL;
 
 	case FIOSETOWN:
 	case SIOCSPGRP:
@@ -3107,8 +3102,6 @@ static int compat_sock_ioctl_trans(struct file *file, struct socket *sock,
 	case SIOCSIFHWBROADCAST:
 	case SIOCSHWTSTAMP:
 	case SIOCDIFADDR:
-/*	case SIOCSARP: duplicate */
-/*	case SIOCDARP: duplicate */
 	case SIOCGIFBRDADDR:
 	case SIOCSIFBRDADDR:
 	case SIOCGIFDSTADDR:
@@ -3121,7 +3114,12 @@ static int compat_sock_ioctl_trans(struct file *file, struct socket *sock,
 	case SIOCSIFTXQLEN:
 	case SIOCBRADDIF:
 	case SIOCBRDELIF:
+	case SIOCSIFNAME:
+	case SIOCGMIIPHY:
+	case SIOCGMIIREG:
+	case SIOCSMIIREG:
 		return dev_ifsioc(net, sock, cmd, argp);
+
 	case ATM_GETLINKRATE32:
 	case ATM_GETNAMES32:
 	case ATM_GETTYPE32:
@@ -3168,17 +3166,22 @@ static int compat_sock_ioctl_trans(struct file *file, struct socket *sock,
 	case SIOCSARP:
 	case SIOCGARP:
 	case SIOCDARP:
-
 	case SIOCATMARK:
-	case SIOCSIFLINK:
-	case SIOCSIFNAME:
+		return sock_do_ioctl(net, sock, cmd, arg);
+	}
+
+	/* Prevent warning from compat_sys_ioctl, these always
+	 * result in -EINVAL in the native case anyway. */
+	switch (cmd) {
+	case SIOCRTMSG:
+	case SIOCGIFCOUNT:
 	case SIOCSRARP:
 	case SIOCGRARP:
 	case SIOCDRARP:
-	case SIOCGMIIPHY:
-	case SIOCGMIIREG:
-	case SIOCSMIIREG:
-		return sock_do_ioctl(net, sock, cmd, arg);
+	case SIOCSIFLINK:
+	case SIOCGIFSLAVE:
+	case SIOCSIFSLAVE:
+		return -EINVAL;
 	}
 
 	return -ENOIOCTLCMD;
-- 
GitLab


From b622d97a63ad4ce890b625c62acd1bb894592e63 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Fri, 6 Nov 2009 20:46:52 -0800
Subject: [PATCH 1019/1815] net: compat: No need to define IFHWADDRLEN and
 IFNAMSIZ twice.

It's defined colloqually in linux/if.h and linux/compat.h
includes that.

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/compat.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/include/linux/compat.h b/include/linux/compat.h
index 8311d2e2963..224c7a89617 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -166,8 +166,6 @@ struct compat_ifmap {
 };
 
 struct compat_ifreq {
-#define IFHWADDRLEN     6
-#define IFNAMSIZ        16
         union {
                 char    ifrn_name[IFNAMSIZ];            /* if name, e.g. "en0" */
         } ifr_ifrn;
-- 
GitLab


From d3bcfefaca27c1bfc8f740f5fff5b25d52ed1211 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 6 Nov 2009 22:17:25 -0800
Subject: [PATCH 1020/1815] net: Replace old style lock initializer

SPIN_LOCK_UNLOCKED is deprecated. Use DEFINE_SPINLOCK instead.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/drop_monitor.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/core/drop_monitor.c b/net/core/drop_monitor.c
index 0a113f26bc9..b8e9d3a8688 100644
--- a/net/core/drop_monitor.c
+++ b/net/core/drop_monitor.c
@@ -41,7 +41,7 @@ static void send_dm_alert(struct work_struct *unused);
  * netlink alerts
  */
 static int trace_state = TRACE_OFF;
-static spinlock_t trace_state_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(trace_state_lock);
 
 struct per_cpu_dm_data {
 	struct work_struct dm_alert_work;
-- 
GitLab


From c6060be46fbda5af651b6ed2b85502ccbb3d9279 Mon Sep 17 00:00:00 2001
From: Jie Yang <jie.yang@atheros.com>
Date: Fri, 6 Nov 2009 00:32:05 -0800
Subject: [PATCH 1021/1815] atl1c: change atl1c_buffer struct and restructure
 clean atl1c_buffer procedure

change atl1c_buffer struct, use "u16 flags" instead of "u16 state"
to store more infomation for atl1c_buffer, and restructure clean
atl1c_buffer procedure, add common api atl1c_clean_buffer.

Signed-off-by: Jie Yang <jie.yang@atheros.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/atl1c/atl1c.h      | 22 +++++++--
 drivers/net/atl1c/atl1c_main.c | 84 +++++++++++++++++-----------------
 2 files changed, 61 insertions(+), 45 deletions(-)

diff --git a/drivers/net/atl1c/atl1c.h b/drivers/net/atl1c/atl1c.h
index 2a1120ad2e7..a348a22551d 100644
--- a/drivers/net/atl1c/atl1c.h
+++ b/drivers/net/atl1c/atl1c.h
@@ -470,12 +470,28 @@ struct atl1c_ring_header {
 struct atl1c_buffer {
 	struct sk_buff *skb;	/* socket buffer */
 	u16 length;		/* rx buffer length */
-	u16 state;		/* state of buffer */
-#define ATL1_BUFFER_FREE	0
-#define ATL1_BUFFER_BUSY	1
+	u16 flags;		/* information of buffer */
+#define ATL1C_BUFFER_FREE		0x0001
+#define ATL1C_BUFFER_BUSY		0x0002
+#define ATL1C_BUFFER_STATE_MASK		0x0003
+
+#define ATL1C_PCIMAP_SINGLE		0x0004
+#define ATL1C_PCIMAP_PAGE		0x0008
+#define ATL1C_PCIMAP_TYPE_MASK		0x000C
+
 	dma_addr_t dma;
 };
 
+#define ATL1C_SET_BUFFER_STATE(buff, state) do {	\
+	((buff)->flags) &= ~ATL1C_BUFFER_STATE_MASK;	\
+	((buff)->flags) |= (state);			\
+	} while (0)
+
+#define ATL1C_SET_PCIMAP_TYPE(buff, type) do {		\
+	((buff)->flags) &= ~ATL1C_PCIMAP_TYPE_MASK;	\
+	((buff)->flags) |= (type);			\
+	} while (0)
+
 /* transimit packet descriptor (tpd) ring */
 struct atl1c_tpd_ring {
 	void *desc;		/* descriptor ring virtual address */
diff --git a/drivers/net/atl1c/atl1c_main.c b/drivers/net/atl1c/atl1c_main.c
index 3b8801a3972..5ef9e23435f 100644
--- a/drivers/net/atl1c/atl1c_main.c
+++ b/drivers/net/atl1c/atl1c_main.c
@@ -710,6 +710,29 @@ static int __devinit atl1c_sw_init(struct atl1c_adapter *adapter)
 	return 0;
 }
 
+static inline void atl1c_clean_buffer(struct pci_dev *pdev,
+				struct atl1c_buffer *buffer_info, int in_irq)
+{
+	if (buffer_info->flags & ATL1C_BUFFER_FREE)
+		return;
+	if (buffer_info->dma) {
+		if (buffer_info->flags & ATL1C_PCIMAP_SINGLE)
+			pci_unmap_single(pdev, buffer_info->dma,
+					buffer_info->length, PCI_DMA_TODEVICE);
+		else if (buffer_info->flags & ATL1C_PCIMAP_PAGE)
+			pci_unmap_page(pdev, buffer_info->dma,
+					buffer_info->length, PCI_DMA_TODEVICE);
+	}
+	if (buffer_info->skb) {
+		if (in_irq)
+			dev_kfree_skb_irq(buffer_info->skb);
+		else
+			dev_kfree_skb(buffer_info->skb);
+	}
+	buffer_info->dma = 0;
+	buffer_info->skb = NULL;
+	ATL1C_SET_BUFFER_STATE(buffer_info, ATL1C_BUFFER_FREE);
+}
 /*
  * atl1c_clean_tx_ring - Free Tx-skb
  * @adapter: board private structure
@@ -725,22 +748,12 @@ static void atl1c_clean_tx_ring(struct atl1c_adapter *adapter,
 	ring_count = tpd_ring->count;
 	for (index = 0; index < ring_count; index++) {
 		buffer_info = &tpd_ring->buffer_info[index];
-		if (buffer_info->state == ATL1_BUFFER_FREE)
-			continue;
-		if (buffer_info->dma)
-			pci_unmap_single(pdev, buffer_info->dma,
-					buffer_info->length,
-					PCI_DMA_TODEVICE);
-		if (buffer_info->skb)
-			dev_kfree_skb(buffer_info->skb);
-		buffer_info->dma = 0;
-		buffer_info->skb = NULL;
-		buffer_info->state = ATL1_BUFFER_FREE;
+		atl1c_clean_buffer(pdev, buffer_info, 0);
 	}
 
 	/* Zero out Tx-buffers */
 	memset(tpd_ring->desc, 0, sizeof(struct atl1c_tpd_desc) *
-				ring_count);
+		ring_count);
 	atomic_set(&tpd_ring->next_to_clean, 0);
 	tpd_ring->next_to_use = 0;
 }
@@ -760,16 +773,7 @@ static void atl1c_clean_rx_ring(struct atl1c_adapter *adapter)
 	for (i = 0; i < adapter->num_rx_queues; i++) {
 		for (j = 0; j < rfd_ring[i].count; j++) {
 			buffer_info = &rfd_ring[i].buffer_info[j];
-			if (buffer_info->state == ATL1_BUFFER_FREE)
-				continue;
-			if (buffer_info->dma)
-				pci_unmap_single(pdev, buffer_info->dma,
-						buffer_info->length,
-						PCI_DMA_FROMDEVICE);
-			if (buffer_info->skb)
-				dev_kfree_skb(buffer_info->skb);
-			buffer_info->state = ATL1_BUFFER_FREE;
-			buffer_info->skb = NULL;
+			atl1c_clean_buffer(pdev, buffer_info, 0);
 		}
 		/* zero out the descriptor ring */
 		memset(rfd_ring[i].desc, 0, rfd_ring[i].size);
@@ -796,7 +800,8 @@ static void atl1c_init_ring_ptrs(struct atl1c_adapter *adapter)
 		atomic_set(&tpd_ring[i].next_to_clean, 0);
 		buffer_info = tpd_ring[i].buffer_info;
 		for (j = 0; j < tpd_ring->count; j++)
-			buffer_info[i].state = ATL1_BUFFER_FREE;
+			ATL1C_SET_BUFFER_STATE(&buffer_info[i],
+					ATL1C_BUFFER_FREE);
 	}
 	for (i = 0; i < adapter->num_rx_queues; i++) {
 		rfd_ring[i].next_to_use = 0;
@@ -805,7 +810,7 @@ static void atl1c_init_ring_ptrs(struct atl1c_adapter *adapter)
 		rrd_ring[i].next_to_clean = 0;
 		for (j = 0; j < rfd_ring[i].count; j++) {
 			buffer_info = &rfd_ring[i].buffer_info[j];
-			buffer_info->state = ATL1_BUFFER_FREE;
+			ATL1C_SET_BUFFER_STATE(buffer_info, ATL1C_BUFFER_FREE);
 		}
 	}
 }
@@ -1447,6 +1452,7 @@ static bool atl1c_clean_tx_irq(struct atl1c_adapter *adapter,
 	struct atl1c_tpd_ring *tpd_ring = (struct atl1c_tpd_ring *)
 				&adapter->tpd_ring[type];
 	struct atl1c_buffer *buffer_info;
+	struct pci_dev *pdev = adapter->pdev;
 	u16 next_to_clean = atomic_read(&tpd_ring->next_to_clean);
 	u16 hw_next_to_clean;
 	u16 shift;
@@ -1462,16 +1468,7 @@ static bool atl1c_clean_tx_irq(struct atl1c_adapter *adapter,
 
 	while (next_to_clean != hw_next_to_clean) {
 		buffer_info = &tpd_ring->buffer_info[next_to_clean];
-		if (buffer_info->state == ATL1_BUFFER_BUSY) {
-			pci_unmap_page(adapter->pdev, buffer_info->dma,
-					buffer_info->length, PCI_DMA_TODEVICE);
-			buffer_info->dma = 0;
-			if (buffer_info->skb) {
-				dev_kfree_skb_irq(buffer_info->skb);
-				buffer_info->skb = NULL;
-			}
-			buffer_info->state = ATL1_BUFFER_FREE;
-		}
+		atl1c_clean_buffer(pdev, buffer_info, 1);
 		if (++next_to_clean == tpd_ring->count)
 			next_to_clean = 0;
 		atomic_set(&tpd_ring->next_to_clean, next_to_clean);
@@ -1587,7 +1584,7 @@ static int atl1c_alloc_rx_buffer(struct atl1c_adapter *adapter, const int ringid
 	buffer_info = &rfd_ring->buffer_info[rfd_next_to_use];
 	next_info = &rfd_ring->buffer_info[next_next];
 
-	while (next_info->state == ATL1_BUFFER_FREE) {
+	while (next_info->flags & ATL1C_BUFFER_FREE) {
 		rfd_desc = ATL1C_RFD_DESC(rfd_ring, rfd_next_to_use);
 
 		skb = dev_alloc_skb(adapter->rx_buffer_len);
@@ -1603,12 +1600,13 @@ static int atl1c_alloc_rx_buffer(struct atl1c_adapter *adapter, const int ringid
 		 * the 14 byte MAC header is removed
 		 */
 		vir_addr = skb->data;
-		buffer_info->state = ATL1_BUFFER_BUSY;
+		ATL1C_SET_BUFFER_STATE(buffer_info, ATL1C_BUFFER_BUSY);
 		buffer_info->skb = skb;
 		buffer_info->length = adapter->rx_buffer_len;
 		buffer_info->dma = pci_map_single(pdev, vir_addr,
 						buffer_info->length,
 						PCI_DMA_FROMDEVICE);
+		ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_SINGLE);
 		rfd_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
 		rfd_next_to_use = next_next;
 		if (++next_next == rfd_ring->count)
@@ -1653,7 +1651,8 @@ static void atl1c_clean_rfd(struct atl1c_rfd_ring *rfd_ring,
 			RRS_RX_RFD_INDEX_MASK;
 	for (i = 0; i < num; i++) {
 		buffer_info[rfd_index].skb = NULL;
-		buffer_info[rfd_index].state = ATL1_BUFFER_FREE;
+		ATL1C_SET_BUFFER_STATE(&buffer_info[rfd_index],
+					ATL1C_BUFFER_FREE);
 		if (++rfd_index == rfd_ring->count)
 			rfd_index = 0;
 	}
@@ -1967,7 +1966,8 @@ static void atl1c_tx_map(struct atl1c_adapter *adapter,
 		buffer_info->length = map_len;
 		buffer_info->dma = pci_map_single(adapter->pdev,
 					skb->data, hdr_len, PCI_DMA_TODEVICE);
-		buffer_info->state = ATL1_BUFFER_BUSY;
+		ATL1C_SET_BUFFER_STATE(buffer_info, ATL1C_BUFFER_BUSY);
+		ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_SINGLE);
 		mapped_len += map_len;
 		use_tpd->buffer_addr = cpu_to_le64(buffer_info->dma);
 		use_tpd->buffer_len = cpu_to_le16(buffer_info->length);
@@ -1987,8 +1987,8 @@ static void atl1c_tx_map(struct atl1c_adapter *adapter,
 		buffer_info->dma =
 			pci_map_single(adapter->pdev, skb->data + mapped_len,
 					buffer_info->length, PCI_DMA_TODEVICE);
-		buffer_info->state = ATL1_BUFFER_BUSY;
-
+		ATL1C_SET_BUFFER_STATE(buffer_info, ATL1C_BUFFER_BUSY);
+		ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_SINGLE);
 		use_tpd->buffer_addr = cpu_to_le64(buffer_info->dma);
 		use_tpd->buffer_len  = cpu_to_le16(buffer_info->length);
 	}
@@ -2008,8 +2008,8 @@ static void atl1c_tx_map(struct atl1c_adapter *adapter,
 					frag->page_offset,
 					buffer_info->length,
 					PCI_DMA_TODEVICE);
-		buffer_info->state = ATL1_BUFFER_BUSY;
-
+		ATL1C_SET_BUFFER_STATE(buffer_info, ATL1C_BUFFER_BUSY);
+		ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_PAGE);
 		use_tpd->buffer_addr = cpu_to_le64(buffer_info->dma);
 		use_tpd->buffer_len  = cpu_to_le16(buffer_info->length);
 	}
-- 
GitLab


From ecced8ba8759c16337fc6785d7bab8931ca55cf6 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Thu, 5 Nov 2009 04:37:26 +0000
Subject: [PATCH 1022/1815] net/appletalk: push down BKL into a atalk_dgram_ops

Making the BKL usage explicit in appletalk makes it more
obvious where it is used, reduces code size and helps
getting rid of the BKL in common code.

I did not analyse how to kill lock_kernel from appletalk
entirely, this will involve either proving that it's not
needed, or replacing with a proper mutex or spinlock,
after finding out which data structures are protected
by the lock.

Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Cc: David S. Miller <davem@davemloft.net>
Cc: Stephen Hemminger <shemminger@vyatta.com>
Cc: netdev@vger.kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/appletalk/ddp.c | 105 ++++++++++++++++++++++++++++++++------------
 1 file changed, 77 insertions(+), 28 deletions(-)

diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index 7cd08b45c52..31fca64d17a 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -1055,11 +1055,13 @@ static int atalk_release(struct socket *sock)
 {
 	struct sock *sk = sock->sk;
 
+	lock_kernel();
 	if (sk) {
 		sock_orphan(sk);
 		sock->sk = NULL;
 		atalk_destroy_socket(sk);
 	}
+	unlock_kernel();
 	return 0;
 }
 
@@ -1135,6 +1137,7 @@ static int atalk_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 	struct sockaddr_at *addr = (struct sockaddr_at *)uaddr;
 	struct sock *sk = sock->sk;
 	struct atalk_sock *at = at_sk(sk);
+	int err;
 
 	if (!sock_flag(sk, SOCK_ZAPPED) ||
 	    addr_len != sizeof(struct sockaddr_at))
@@ -1143,37 +1146,44 @@ static int atalk_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 	if (addr->sat_family != AF_APPLETALK)
 		return -EAFNOSUPPORT;
 
+	lock_kernel();
 	if (addr->sat_addr.s_net == htons(ATADDR_ANYNET)) {
 		struct atalk_addr *ap = atalk_find_primary();
 
+		err = -EADDRNOTAVAIL;
 		if (!ap)
-			return -EADDRNOTAVAIL;
+			goto out;
 
 		at->src_net  = addr->sat_addr.s_net = ap->s_net;
 		at->src_node = addr->sat_addr.s_node= ap->s_node;
 	} else {
+		err = -EADDRNOTAVAIL;
 		if (!atalk_find_interface(addr->sat_addr.s_net,
 					  addr->sat_addr.s_node))
-			return -EADDRNOTAVAIL;
+			goto out;
 
 		at->src_net  = addr->sat_addr.s_net;
 		at->src_node = addr->sat_addr.s_node;
 	}
 
 	if (addr->sat_port == ATADDR_ANYPORT) {
-		int n = atalk_pick_and_bind_port(sk, addr);
+		err = atalk_pick_and_bind_port(sk, addr);
 
-		if (n < 0)
-			return n;
+		if (err < 0)
+			goto out;
 	} else {
 		at->src_port = addr->sat_port;
 
+		err = -EADDRINUSE;
 		if (atalk_find_or_insert_socket(sk, addr))
-			return -EADDRINUSE;
+			goto out;
 	}
 
 	sock_reset_flag(sk, SOCK_ZAPPED);
-	return 0;
+	err = 0;
+out:
+	unlock_kernel();
+	return err;
 }
 
 /* Set the address we talk to */
@@ -1183,6 +1193,7 @@ static int atalk_connect(struct socket *sock, struct sockaddr *uaddr,
 	struct sock *sk = sock->sk;
 	struct atalk_sock *at = at_sk(sk);
 	struct sockaddr_at *addr;
+	int err;
 
 	sk->sk_state   = TCP_CLOSE;
 	sock->state = SS_UNCONNECTED;
@@ -1207,12 +1218,15 @@ static int atalk_connect(struct socket *sock, struct sockaddr *uaddr,
 #endif
 	}
 
+	lock_kernel();
+	err = -EBUSY;
 	if (sock_flag(sk, SOCK_ZAPPED))
 		if (atalk_autobind(sk) < 0)
-			return -EBUSY;
+			goto out;
 
+	err = -ENETUNREACH;
 	if (!atrtr_get_dev(&addr->sat_addr))
-		return -ENETUNREACH;
+		goto out;
 
 	at->dest_port = addr->sat_port;
 	at->dest_net  = addr->sat_addr.s_net;
@@ -1220,7 +1234,10 @@ static int atalk_connect(struct socket *sock, struct sockaddr *uaddr,
 
 	sock->state  = SS_CONNECTED;
 	sk->sk_state = TCP_ESTABLISHED;
-	return 0;
+	err = 0;
+out:
+	unlock_kernel();
+	return err;
 }
 
 /*
@@ -1233,17 +1250,21 @@ static int atalk_getname(struct socket *sock, struct sockaddr *uaddr,
 	struct sockaddr_at sat;
 	struct sock *sk = sock->sk;
 	struct atalk_sock *at = at_sk(sk);
+	int err;
 
+	lock_kernel();
+	err = -ENOBUFS;
 	if (sock_flag(sk, SOCK_ZAPPED))
 		if (atalk_autobind(sk) < 0)
-			return -ENOBUFS;
+			goto out;
 
 	*uaddr_len = sizeof(struct sockaddr_at);
 	memset(&sat.sat_zero, 0, sizeof(sat.sat_zero));
 
 	if (peer) {
+		err = -ENOTCONN;
 		if (sk->sk_state != TCP_ESTABLISHED)
-			return -ENOTCONN;
+			goto out;
 
 		sat.sat_addr.s_net  = at->dest_net;
 		sat.sat_addr.s_node = at->dest_node;
@@ -1254,9 +1275,23 @@ static int atalk_getname(struct socket *sock, struct sockaddr *uaddr,
 		sat.sat_port	    = at->src_port;
 	}
 
+	err = 0;
 	sat.sat_family = AF_APPLETALK;
 	memcpy(uaddr, &sat, sizeof(sat));
-	return 0;
+
+out:
+	unlock_kernel();
+	return err;
+}
+
+static unsigned int atalk_poll(struct file *file, struct socket *sock,
+			   poll_table *wait)
+{
+	int err;
+	lock_kernel();
+	err = datagram_poll(file, sock, wait);
+	unlock_kernel();
+	return err;
 }
 
 #if defined(CONFIG_IPDDP) || defined(CONFIG_IPDDP_MODULE)
@@ -1564,23 +1599,28 @@ static int atalk_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr
 	if (len > DDP_MAXSZ)
 		return -EMSGSIZE;
 
+	lock_kernel();
 	if (usat) {
+		err = -EBUSY;
 		if (sock_flag(sk, SOCK_ZAPPED))
 			if (atalk_autobind(sk) < 0)
-				return -EBUSY;
+				goto out;
 
+		err = -EINVAL;
 		if (msg->msg_namelen < sizeof(*usat) ||
 		    usat->sat_family != AF_APPLETALK)
-			return -EINVAL;
+			goto out;
 
+		err = -EPERM;
 		/* netatalk didn't implement this check */
 		if (usat->sat_addr.s_node == ATADDR_BCAST &&
 		    !sock_flag(sk, SOCK_BROADCAST)) {
-			return -EPERM;
+			goto out;
 		}
 	} else {
+		err = -ENOTCONN;
 		if (sk->sk_state != TCP_ESTABLISHED)
-			return -ENOTCONN;
+			goto out;
 		usat = &local_satalk;
 		usat->sat_family      = AF_APPLETALK;
 		usat->sat_port	      = at->dest_port;
@@ -1604,8 +1644,9 @@ static int atalk_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr
 
 		rt = atrtr_find(&at_hint);
 	}
+	err = ENETUNREACH;
 	if (!rt)
-		return -ENETUNREACH;
+		goto out;
 
 	dev = rt->dev;
 
@@ -1615,7 +1656,7 @@ static int atalk_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr
 	size += dev->hard_header_len;
 	skb = sock_alloc_send_skb(sk, size, (flags & MSG_DONTWAIT), &err);
 	if (!skb)
-		return err;
+		goto out;
 
 	skb->sk = sk;
 	skb_reserve(skb, ddp_dl->header_length);
@@ -1638,7 +1679,8 @@ static int atalk_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr
 	err = memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len);
 	if (err) {
 		kfree_skb(skb);
-		return -EFAULT;
+		err = -EFAULT;
+		goto out;
 	}
 
 	if (sk->sk_no_check == 1)
@@ -1677,7 +1719,8 @@ static int atalk_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr
 			rt = atrtr_find(&at_lo);
 			if (!rt) {
 				kfree_skb(skb);
-				return -ENETUNREACH;
+				err = -ENETUNREACH;
+				goto out;
 			}
 			dev = rt->dev;
 			skb->dev = dev;
@@ -1697,7 +1740,9 @@ static int atalk_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr
 	}
 	SOCK_DEBUG(sk, "SK %p: Done write (%Zd).\n", sk, len);
 
-	return len;
+out:
+	unlock_kernel();
+	return err ? : len;
 }
 
 static int atalk_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
@@ -1709,10 +1754,13 @@ static int atalk_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr
 	int copied = 0;
 	int offset = 0;
 	int err = 0;
-	struct sk_buff *skb = skb_recv_datagram(sk, flags & ~MSG_DONTWAIT,
+	struct sk_buff *skb;
+
+	lock_kernel();
+	skb = skb_recv_datagram(sk, flags & ~MSG_DONTWAIT,
 						flags & MSG_DONTWAIT, &err);
 	if (!skb)
-		return err;
+		goto out;
 
 	/* FIXME: use skb->cb to be able to use shared skbs */
 	ddp = ddp_hdr(skb);
@@ -1740,6 +1788,9 @@ static int atalk_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr
 	}
 
 	skb_free_datagram(sk, skb);	/* Free the datagram. */
+
+out:
+	unlock_kernel();
 	return err ? : copied;
 }
 
@@ -1830,7 +1881,7 @@ static const struct net_proto_family atalk_family_ops = {
 	.owner		= THIS_MODULE,
 };
 
-static const struct proto_ops SOCKOPS_WRAPPED(atalk_dgram_ops) = {
+static const struct proto_ops atalk_dgram_ops = {
 	.family		= PF_APPLETALK,
 	.owner		= THIS_MODULE,
 	.release	= atalk_release,
@@ -1839,7 +1890,7 @@ static const struct proto_ops SOCKOPS_WRAPPED(atalk_dgram_ops) = {
 	.socketpair	= sock_no_socketpair,
 	.accept		= sock_no_accept,
 	.getname	= atalk_getname,
-	.poll		= datagram_poll,
+	.poll		= atalk_poll,
 	.ioctl		= atalk_ioctl,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	= atalk_compat_ioctl,
@@ -1854,8 +1905,6 @@ static const struct proto_ops SOCKOPS_WRAPPED(atalk_dgram_ops) = {
 	.sendpage	= sock_no_sendpage,
 };
 
-SOCKOPS_WRAP(atalk_dgram, PF_APPLETALK);
-
 static struct notifier_block ddp_notifier = {
 	.notifier_call	= ddp_device_event,
 };
-- 
GitLab


From 83927ba069a65326f39991a02d6a49ba3b7cea44 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Thu, 5 Nov 2009 04:37:27 +0000
Subject: [PATCH 1023/1815] net/ipx: push down BKL into a ipx_dgram_ops

Making the BKL usage explicit in ipx makes it more
obvious where it is used, reduces code size and helps
getting rid of the BKL in common code.

I did not analyse how to kill lock_kernel from ipx
entirely, this will involve either proving that it's not
needed, or replacing with a proper mutex or spinlock,
after finding out which data structures are protected
by the lock.

Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Cc: David S. Miller <davem@davemloft.net>
Cc: Stephen Hemminger <shemminger@vyatta.com>
Cc: netdev@vger.kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipx/af_ipx.c | 54 +++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 46 insertions(+), 8 deletions(-)

diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c
index 96d193a2441..975c5a366e5 100644
--- a/net/ipx/af_ipx.c
+++ b/net/ipx/af_ipx.c
@@ -1298,6 +1298,7 @@ static int ipx_setsockopt(struct socket *sock, int level, int optname,
 	int opt;
 	int rc = -EINVAL;
 
+	lock_kernel();
 	if (optlen != sizeof(int))
 		goto out;
 
@@ -1312,6 +1313,7 @@ static int ipx_setsockopt(struct socket *sock, int level, int optname,
 	ipx_sk(sk)->type = opt;
 	rc = 0;
 out:
+	unlock_kernel();
 	return rc;
 }
 
@@ -1323,6 +1325,7 @@ static int ipx_getsockopt(struct socket *sock, int level, int optname,
 	int len;
 	int rc = -ENOPROTOOPT;
 
+	lock_kernel();
 	if (!(level == SOL_IPX && optname == IPX_TYPE))
 		goto out;
 
@@ -1343,6 +1346,7 @@ static int ipx_getsockopt(struct socket *sock, int level, int optname,
 
 	rc = 0;
 out:
+	unlock_kernel();
 	return rc;
 }
 
@@ -1391,6 +1395,7 @@ static int ipx_release(struct socket *sock)
 	if (!sk)
 		goto out;
 
+	lock_kernel();
 	if (!sock_flag(sk, SOCK_DEAD))
 		sk->sk_state_change(sk);
 
@@ -1398,6 +1403,7 @@ static int ipx_release(struct socket *sock)
 	sock->sk = NULL;
 	sk_refcnt_debug_release(sk);
 	ipx_destroy_socket(sk);
+	unlock_kernel();
 out:
 	return 0;
 }
@@ -1425,7 +1431,8 @@ static __be16 ipx_first_free_socketnum(struct ipx_interface *intrfc)
 	return htons(socketNum);
 }
 
-static int ipx_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
+static int __ipx_bind(struct socket *sock,
+			struct sockaddr *uaddr, int addr_len)
 {
 	struct sock *sk = sock->sk;
 	struct ipx_sock *ipxs = ipx_sk(sk);
@@ -1520,6 +1527,17 @@ out:
 	return rc;
 }
 
+static int ipx_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
+{
+	int rc;
+
+	lock_kernel();
+	rc = __ipx_bind(sock, uaddr, addr_len);
+	unlock_kernel();
+
+	return rc;
+}
+
 static int ipx_connect(struct socket *sock, struct sockaddr *uaddr,
 	int addr_len, int flags)
 {
@@ -1532,6 +1550,7 @@ static int ipx_connect(struct socket *sock, struct sockaddr *uaddr,
 	sk->sk_state	= TCP_CLOSE;
 	sock->state 	= SS_UNCONNECTED;
 
+	lock_kernel();
 	if (addr_len != sizeof(*addr))
 		goto out;
 	addr = (struct sockaddr_ipx *)uaddr;
@@ -1551,7 +1570,7 @@ static int ipx_connect(struct socket *sock, struct sockaddr *uaddr,
 			IPX_NODE_LEN);
 #endif	/* CONFIG_IPX_INTERN */
 
-		rc = ipx_bind(sock, (struct sockaddr *)&uaddr,
+		rc = __ipx_bind(sock, (struct sockaddr *)&uaddr,
 			      sizeof(struct sockaddr_ipx));
 		if (rc)
 			goto out;
@@ -1578,6 +1597,7 @@ static int ipx_connect(struct socket *sock, struct sockaddr *uaddr,
 		ipxrtr_put(rt);
 	rc = 0;
 out:
+	unlock_kernel();
 	return rc;
 }
 
@@ -1593,6 +1613,7 @@ static int ipx_getname(struct socket *sock, struct sockaddr *uaddr,
 
 	*uaddr_len = sizeof(struct sockaddr_ipx);
 
+	lock_kernel();
 	if (peer) {
 		rc = -ENOTCONN;
 		if (sk->sk_state != TCP_ESTABLISHED)
@@ -1627,6 +1648,19 @@ static int ipx_getname(struct socket *sock, struct sockaddr *uaddr,
 
 	rc = 0;
 out:
+	unlock_kernel();
+	return rc;
+}
+
+static unsigned int ipx_datagram_poll(struct file *file, struct socket *sock,
+			   poll_table *wait)
+{
+	int rc;
+
+	lock_kernel();
+	rc = datagram_poll(file, sock, wait);
+	unlock_kernel();
+
 	return rc;
 }
 
@@ -1701,6 +1735,7 @@ static int ipx_sendmsg(struct kiocb *iocb, struct socket *sock,
 	int rc = -EINVAL;
 	int flags = msg->msg_flags;
 
+	lock_kernel();
 	/* Socket gets bound below anyway */
 /*	if (sk->sk_zapped)
 		return -EIO; */	/* Socket not bound */
@@ -1724,7 +1759,7 @@ static int ipx_sendmsg(struct kiocb *iocb, struct socket *sock,
 			memcpy(uaddr.sipx_node, ipxs->intrfc->if_node,
 				IPX_NODE_LEN);
 #endif
-			rc = ipx_bind(sock, (struct sockaddr *)&uaddr,
+			rc = __ipx_bind(sock, (struct sockaddr *)&uaddr,
 					sizeof(struct sockaddr_ipx));
 			if (rc)
 				goto out;
@@ -1752,6 +1787,7 @@ static int ipx_sendmsg(struct kiocb *iocb, struct socket *sock,
 	if (rc >= 0)
 		rc = len;
 out:
+	unlock_kernel();
 	return rc;
 }
 
@@ -1766,6 +1802,7 @@ static int ipx_recvmsg(struct kiocb *iocb, struct socket *sock,
 	struct sk_buff *skb;
 	int copied, rc;
 
+	lock_kernel();
 	/* put the autobinding in */
 	if (!ipxs->port) {
 		struct sockaddr_ipx uaddr;
@@ -1780,7 +1817,7 @@ static int ipx_recvmsg(struct kiocb *iocb, struct socket *sock,
 		memcpy(uaddr.sipx_node, ipxs->intrfc->if_node, IPX_NODE_LEN);
 #endif	/* CONFIG_IPX_INTERN */
 
-		rc = ipx_bind(sock, (struct sockaddr *)&uaddr,
+		rc = __ipx_bind(sock, (struct sockaddr *)&uaddr,
 			      sizeof(struct sockaddr_ipx));
 		if (rc)
 			goto out;
@@ -1824,6 +1861,7 @@ static int ipx_recvmsg(struct kiocb *iocb, struct socket *sock,
 out_free:
 	skb_free_datagram(sk, skb);
 out:
+	unlock_kernel();
 	return rc;
 }
 
@@ -1835,6 +1873,7 @@ static int ipx_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 	struct sock *sk = sock->sk;
 	void __user *argp = (void __user *)arg;
 
+	lock_kernel();
 	switch (cmd) {
 	case TIOCOUTQ:
 		amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
@@ -1897,6 +1936,7 @@ static int ipx_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 		rc = -ENOIOCTLCMD;
 		break;
 	}
+	unlock_kernel();
 
 	return rc;
 }
@@ -1934,7 +1974,7 @@ static const struct net_proto_family ipx_family_ops = {
 	.owner		= THIS_MODULE,
 };
 
-static const struct proto_ops SOCKOPS_WRAPPED(ipx_dgram_ops) = {
+static const struct proto_ops ipx_dgram_ops = {
 	.family		= PF_IPX,
 	.owner		= THIS_MODULE,
 	.release	= ipx_release,
@@ -1943,7 +1983,7 @@ static const struct proto_ops SOCKOPS_WRAPPED(ipx_dgram_ops) = {
 	.socketpair	= sock_no_socketpair,
 	.accept		= sock_no_accept,
 	.getname	= ipx_getname,
-	.poll		= datagram_poll,
+	.poll		= ipx_datagram_poll,
 	.ioctl		= ipx_ioctl,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	= ipx_compat_ioctl,
@@ -1958,8 +1998,6 @@ static const struct proto_ops SOCKOPS_WRAPPED(ipx_dgram_ops) = {
 	.sendpage	= sock_no_sendpage,
 };
 
-SOCKOPS_WRAP(ipx_dgram, PF_IPX);
-
 static struct packet_type ipx_8023_packet_type __read_mostly = {
 	.type		= cpu_to_be16(ETH_P_802_3),
 	.func		= ipx_rcv,
-- 
GitLab


From 58a9d73202dd40076992154e9acfb98489cc8eab Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Fri, 6 Nov 2009 00:38:01 -0800
Subject: [PATCH 1024/1815] net/irda: push BKL into proto_ops

The irda driver uses the BKL implicitly in its protocol
operations. Replace the wrapped proto_ops with explicit
lock_kernel() calls makes the usage more obvious and
shrinks the size of the object code.

The calls t lock_kernel() should eventually all be replaced
by other serialization methods, which requires finding out

The calls t lock_kernel() should eventually all be replaced
by other serialization methods, which requires finding out
which data actually needs protection.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/irda/af_irda.c | 331 ++++++++++++++++++++++++++++++---------------
 1 file changed, 224 insertions(+), 107 deletions(-)

diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index e73a0016c0a..10093aab617 100644
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -714,11 +714,14 @@ static int irda_getname(struct socket *sock, struct sockaddr *uaddr,
 	struct sockaddr_irda saddr;
 	struct sock *sk = sock->sk;
 	struct irda_sock *self = irda_sk(sk);
+	int err;
 
+	lock_kernel();
 	memset(&saddr, 0, sizeof(saddr));
 	if (peer) {
+		err  = -ENOTCONN;
 		if (sk->sk_state != TCP_ESTABLISHED)
-			return -ENOTCONN;
+			goto out;
 
 		saddr.sir_family = AF_IRDA;
 		saddr.sir_lsap_sel = self->dtsap_sel;
@@ -735,8 +738,10 @@ static int irda_getname(struct socket *sock, struct sockaddr *uaddr,
 	/* uaddr_len come to us uninitialised */
 	*uaddr_len = sizeof (struct sockaddr_irda);
 	memcpy(uaddr, &saddr, *uaddr_len);
-
-	return 0;
+	err = 0;
+out:
+	unlock_kernel();
+	return err;
 }
 
 /*
@@ -748,21 +753,25 @@ static int irda_getname(struct socket *sock, struct sockaddr *uaddr,
 static int irda_listen(struct socket *sock, int backlog)
 {
 	struct sock *sk = sock->sk;
+	int err = -EOPNOTSUPP;
 
 	IRDA_DEBUG(2, "%s()\n", __func__);
 
+	lock_kernel();
 	if ((sk->sk_type != SOCK_STREAM) && (sk->sk_type != SOCK_SEQPACKET) &&
 	    (sk->sk_type != SOCK_DGRAM))
-		return -EOPNOTSUPP;
+		goto out;
 
 	if (sk->sk_state != TCP_LISTEN) {
 		sk->sk_max_ack_backlog = backlog;
 		sk->sk_state           = TCP_LISTEN;
 
-		return 0;
+		err = 0;
 	}
+out:
+	unlock_kernel();
 
-	return -EOPNOTSUPP;
+	return err;
 }
 
 /*
@@ -783,36 +792,40 @@ static int irda_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 	if (addr_len != sizeof(struct sockaddr_irda))
 		return -EINVAL;
 
+	lock_kernel();
 #ifdef CONFIG_IRDA_ULTRA
 	/* Special care for Ultra sockets */
 	if ((sk->sk_type == SOCK_DGRAM) &&
 	    (sk->sk_protocol == IRDAPROTO_ULTRA)) {
 		self->pid = addr->sir_lsap_sel;
+		err = -EOPNOTSUPP;
 		if (self->pid & 0x80) {
 			IRDA_DEBUG(0, "%s(), extension in PID not supp!\n", __func__);
-			return -EOPNOTSUPP;
+			goto out;
 		}
 		err = irda_open_lsap(self, self->pid);
 		if (err < 0)
-			return err;
+			goto out;
 
 		/* Pretend we are connected */
 		sock->state = SS_CONNECTED;
 		sk->sk_state   = TCP_ESTABLISHED;
+		err = 0;
 
-		return 0;
+		goto out;
 	}
 #endif /* CONFIG_IRDA_ULTRA */
 
 	self->ias_obj = irias_new_object(addr->sir_name, jiffies);
+	err = -ENOMEM;
 	if (self->ias_obj == NULL)
-		return -ENOMEM;
+		goto out;
 
 	err = irda_open_tsap(self, addr->sir_lsap_sel, addr->sir_name);
 	if (err < 0) {
 		kfree(self->ias_obj->name);
 		kfree(self->ias_obj);
-		return err;
+		goto out;
 	}
 
 	/*  Register with LM-IAS */
@@ -820,7 +833,10 @@ static int irda_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 				 self->stsap_sel, IAS_KERNEL_ATTR);
 	irias_insert_object(self->ias_obj);
 
-	return 0;
+	err = 0;
+out:
+	unlock_kernel();
+	return err;
 }
 
 /*
@@ -839,22 +855,26 @@ static int irda_accept(struct socket *sock, struct socket *newsock, int flags)
 
 	IRDA_DEBUG(2, "%s()\n", __func__);
 
+	lock_kernel();
 	err = irda_create(sock_net(sk), newsock, sk->sk_protocol, 0);
 	if (err)
-		return err;
+		goto out;
 
+	err = -EINVAL;
 	if (sock->state != SS_UNCONNECTED)
-		return -EINVAL;
+		goto out;
 
 	if ((sk = sock->sk) == NULL)
-		return -EINVAL;
+		goto out;
 
+	err = -EOPNOTSUPP;
 	if ((sk->sk_type != SOCK_STREAM) && (sk->sk_type != SOCK_SEQPACKET) &&
 	    (sk->sk_type != SOCK_DGRAM))
-		return -EOPNOTSUPP;
+		goto out;
 
+	err = -EINVAL;
 	if (sk->sk_state != TCP_LISTEN)
-		return -EINVAL;
+		goto out;
 
 	/*
 	 *	The read queue this time is holding sockets ready to use
@@ -875,18 +895,20 @@ static int irda_accept(struct socket *sock, struct socket *newsock, int flags)
 			break;
 
 		/* Non blocking operation */
+		err = -EWOULDBLOCK;
 		if (flags & O_NONBLOCK)
-			return -EWOULDBLOCK;
+			goto out;
 
 		err = wait_event_interruptible(*(sk->sk_sleep),
 					skb_peek(&sk->sk_receive_queue));
 		if (err)
-			return err;
+			goto out;
 	}
 
 	newsk = newsock->sk;
+	err = -EIO;
 	if (newsk == NULL)
-		return -EIO;
+		goto out;
 
 	newsk->sk_state = TCP_ESTABLISHED;
 
@@ -894,10 +916,11 @@ static int irda_accept(struct socket *sock, struct socket *newsock, int flags)
 
 	/* Now attach up the new socket */
 	new->tsap = irttp_dup(self->tsap, new);
+	err = -EPERM; /* value does not seem to make sense. -arnd */
 	if (!new->tsap) {
 		IRDA_DEBUG(0, "%s(), dup failed!\n", __func__);
 		kfree_skb(skb);
-		return -1;
+		goto out;
 	}
 
 	new->stsap_sel = new->tsap->stsap_sel;
@@ -921,8 +944,10 @@ static int irda_accept(struct socket *sock, struct socket *newsock, int flags)
 	newsock->state = SS_CONNECTED;
 
 	irda_connect_response(new);
-
-	return 0;
+	err = 0;
+out:
+	unlock_kernel();
+	return err;
 }
 
 /*
@@ -955,28 +980,34 @@ static int irda_connect(struct socket *sock, struct sockaddr *uaddr,
 
 	IRDA_DEBUG(2, "%s(%p)\n", __func__, self);
 
+	lock_kernel();
 	/* Don't allow connect for Ultra sockets */
+	err = -ESOCKTNOSUPPORT;
 	if ((sk->sk_type == SOCK_DGRAM) && (sk->sk_protocol == IRDAPROTO_ULTRA))
-		return -ESOCKTNOSUPPORT;
+		goto out;
 
 	if (sk->sk_state == TCP_ESTABLISHED && sock->state == SS_CONNECTING) {
 		sock->state = SS_CONNECTED;
-		return 0;   /* Connect completed during a ERESTARTSYS event */
+		err = 0;
+		goto out;   /* Connect completed during a ERESTARTSYS event */
 	}
 
 	if (sk->sk_state == TCP_CLOSE && sock->state == SS_CONNECTING) {
 		sock->state = SS_UNCONNECTED;
-		return -ECONNREFUSED;
+		err = -ECONNREFUSED;
+		goto out;
 	}
 
+	err = -EISCONN;      /* No reconnect on a seqpacket socket */
 	if (sk->sk_state == TCP_ESTABLISHED)
-		return -EISCONN;      /* No reconnect on a seqpacket socket */
+		goto out;
 
 	sk->sk_state   = TCP_CLOSE;
 	sock->state = SS_UNCONNECTED;
 
+	err = -EINVAL;
 	if (addr_len != sizeof(struct sockaddr_irda))
-		return -EINVAL;
+		goto out;
 
 	/* Check if user supplied any destination device address */
 	if ((!addr->sir_addr) || (addr->sir_addr == DEV_ADDR_ANY)) {
@@ -984,7 +1015,7 @@ static int irda_connect(struct socket *sock, struct sockaddr *uaddr,
 		err = irda_discover_daddr_and_lsap_sel(self, addr->sir_name);
 		if (err) {
 			IRDA_DEBUG(0, "%s(), auto-connect failed!\n", __func__);
-			return err;
+			goto out;
 		}
 	} else {
 		/* Use the one provided by the user */
@@ -1000,7 +1031,7 @@ static int irda_connect(struct socket *sock, struct sockaddr *uaddr,
 			err = irda_find_lsap_sel(self, addr->sir_name);
 			if (err) {
 				IRDA_DEBUG(0, "%s(), connect failed!\n", __func__);
-				return err;
+				goto out;
 			}
 		} else {
 			/* Directly connect to the remote LSAP
@@ -1025,29 +1056,35 @@ static int irda_connect(struct socket *sock, struct sockaddr *uaddr,
 				    self->max_sdu_size_rx, NULL);
 	if (err) {
 		IRDA_DEBUG(0, "%s(), connect failed!\n", __func__);
-		return err;
+		goto out;
 	}
 
 	/* Now the loop */
+	err = -EINPROGRESS;
 	if (sk->sk_state != TCP_ESTABLISHED && (flags & O_NONBLOCK))
-		return -EINPROGRESS;
+		goto out;
 
+	err = -ERESTARTSYS;
 	if (wait_event_interruptible(*(sk->sk_sleep),
 				     (sk->sk_state != TCP_SYN_SENT)))
-		return -ERESTARTSYS;
+		goto out;
 
 	if (sk->sk_state != TCP_ESTABLISHED) {
 		sock->state = SS_UNCONNECTED;
 		err = sock_error(sk);
-		return err? err : -ECONNRESET;
+		if (!err)
+			err = -ECONNRESET;
+		goto out;
 	}
 
 	sock->state = SS_CONNECTED;
 
 	/* At this point, IrLMP has assigned our source address */
 	self->saddr = irttp_get_saddr(self->tsap);
-
-	return 0;
+	err = 0;
+out:
+	unlock_kernel();
+	return err;
 }
 
 static struct proto irda_proto = {
@@ -1193,6 +1230,7 @@ static int irda_release(struct socket *sock)
 	if (sk == NULL)
 		return 0;
 
+	lock_kernel();
 	lock_sock(sk);
 	sk->sk_state       = TCP_CLOSE;
 	sk->sk_shutdown   |= SEND_SHUTDOWN;
@@ -1211,6 +1249,7 @@ static int irda_release(struct socket *sock)
 	/* Destroy networking socket if we are the last reference on it,
 	 * i.e. if(sk->sk_refcnt == 0) -> sk_free(sk) */
 	sock_put(sk);
+	unlock_kernel();
 
 	/* Notes on socket locking and deallocation... - Jean II
 	 * In theory we should put pairs of sock_hold() / sock_put() to
@@ -1258,28 +1297,37 @@ static int irda_sendmsg(struct kiocb *iocb, struct socket *sock,
 
 	IRDA_DEBUG(4, "%s(), len=%zd\n", __func__, len);
 
+	lock_kernel();
 	/* Note : socket.c set MSG_EOR on SEQPACKET sockets */
 	if (msg->msg_flags & ~(MSG_DONTWAIT | MSG_EOR | MSG_CMSG_COMPAT |
-			       MSG_NOSIGNAL))
-		return -EINVAL;
+			       MSG_NOSIGNAL)) {
+		err = -EINVAL;
+		goto out;
+	}
 
 	if (sk->sk_shutdown & SEND_SHUTDOWN)
 		goto out_err;
 
-	if (sk->sk_state != TCP_ESTABLISHED)
-		return -ENOTCONN;
+	if (sk->sk_state != TCP_ESTABLISHED) {
+		err = -ENOTCONN;
+		goto out;
+	}
 
 	self = irda_sk(sk);
 
 	/* Check if IrTTP is wants us to slow down */
 
 	if (wait_event_interruptible(*(sk->sk_sleep),
-	    (self->tx_flow != FLOW_STOP  ||  sk->sk_state != TCP_ESTABLISHED)))
-		return -ERESTARTSYS;
+	    (self->tx_flow != FLOW_STOP  ||  sk->sk_state != TCP_ESTABLISHED))) {
+		err = -ERESTARTSYS;
+		goto out;
+	}
 
 	/* Check if we are still connected */
-	if (sk->sk_state != TCP_ESTABLISHED)
-		return -ENOTCONN;
+	if (sk->sk_state != TCP_ESTABLISHED) {
+		err = -ENOTCONN;
+		goto out;
+	}
 
 	/* Check that we don't send out too big frames */
 	if (len > self->max_data_size) {
@@ -1311,11 +1359,16 @@ static int irda_sendmsg(struct kiocb *iocb, struct socket *sock,
 		IRDA_DEBUG(0, "%s(), err=%d\n", __func__, err);
 		goto out_err;
 	}
+
+	unlock_kernel();
 	/* Tell client how much data we actually sent */
 	return len;
 
- out_err:
-	return sk_stream_error(sk, msg->msg_flags, err);
+out_err:
+	err = sk_stream_error(sk, msg->msg_flags, err);
+out:
+	unlock_kernel();
+	return err;
 
 }
 
@@ -1336,13 +1389,14 @@ static int irda_recvmsg_dgram(struct kiocb *iocb, struct socket *sock,
 
 	IRDA_DEBUG(4, "%s()\n", __func__);
 
+	lock_kernel();
 	if ((err = sock_error(sk)) < 0)
-		return err;
+		goto out;
 
 	skb = skb_recv_datagram(sk, flags & ~MSG_DONTWAIT,
 				flags & MSG_DONTWAIT, &err);
 	if (!skb)
-		return err;
+		goto out;
 
 	skb_reset_transport_header(skb);
 	copied = skb->len;
@@ -1370,8 +1424,12 @@ static int irda_recvmsg_dgram(struct kiocb *iocb, struct socket *sock,
 			irttp_flow_request(self->tsap, FLOW_START);
 		}
 	}
-
+	unlock_kernel();
 	return copied;
+
+out:
+	unlock_kernel();
+	return err;
 }
 
 /*
@@ -1389,15 +1447,19 @@ static int irda_recvmsg_stream(struct kiocb *iocb, struct socket *sock,
 
 	IRDA_DEBUG(3, "%s()\n", __func__);
 
+	lock_kernel();
 	if ((err = sock_error(sk)) < 0)
-		return err;
+		goto out;
 
+	err = -EINVAL;
 	if (sock->flags & __SO_ACCEPTCON)
-		return(-EINVAL);
+		goto out;
 
+	err =-EOPNOTSUPP;
 	if (flags & MSG_OOB)
-		return -EOPNOTSUPP;
+		goto out;
 
+	err = 0;
 	target = sock_rcvlowat(sk, flags & MSG_WAITALL, size);
 	timeo = sock_rcvtimeo(sk, noblock);
 
@@ -1409,7 +1471,7 @@ static int irda_recvmsg_stream(struct kiocb *iocb, struct socket *sock,
 
 		if (skb == NULL) {
 			DEFINE_WAIT(wait);
-			int ret = 0;
+			err = 0;
 
 			if (copied >= target)
 				break;
@@ -1419,25 +1481,25 @@ static int irda_recvmsg_stream(struct kiocb *iocb, struct socket *sock,
 			/*
 			 *	POSIX 1003.1g mandates this order.
 			 */
-			ret = sock_error(sk);
-			if (ret)
+			err = sock_error(sk);
+			if (err)
 				;
 			else if (sk->sk_shutdown & RCV_SHUTDOWN)
 				;
 			else if (noblock)
-				ret = -EAGAIN;
+				err = -EAGAIN;
 			else if (signal_pending(current))
-				ret = sock_intr_errno(timeo);
+				err = sock_intr_errno(timeo);
 			else if (sk->sk_state != TCP_ESTABLISHED)
-				ret = -ENOTCONN;
+				err = -ENOTCONN;
 			else if (skb_peek(&sk->sk_receive_queue) == NULL)
 				/* Wait process until data arrives */
 				schedule();
 
 			finish_wait(sk->sk_sleep, &wait);
 
-			if (ret)
-				return ret;
+			if (err)
+				goto out;
 			if (sk->sk_shutdown & RCV_SHUTDOWN)
 				break;
 
@@ -1490,7 +1552,9 @@ static int irda_recvmsg_stream(struct kiocb *iocb, struct socket *sock,
 		}
 	}
 
-	return copied;
+out:
+	unlock_kernel();
+	return err ? : copied;
 }
 
 /*
@@ -1508,18 +1572,23 @@ static int irda_sendmsg_dgram(struct kiocb *iocb, struct socket *sock,
 	struct sk_buff *skb;
 	int err;
 
+	lock_kernel();
+
 	IRDA_DEBUG(4, "%s(), len=%zd\n", __func__, len);
 
+	err = -EINVAL;
 	if (msg->msg_flags & ~(MSG_DONTWAIT|MSG_CMSG_COMPAT))
-		return -EINVAL;
+		goto out;
 
 	if (sk->sk_shutdown & SEND_SHUTDOWN) {
 		send_sig(SIGPIPE, current, 0);
-		return -EPIPE;
+		err = -EPIPE;
+		goto out;
 	}
 
+	err = -ENOTCONN;
 	if (sk->sk_state != TCP_ESTABLISHED)
-		return -ENOTCONN;
+		goto out;
 
 	self = irda_sk(sk);
 
@@ -1536,8 +1605,9 @@ static int irda_sendmsg_dgram(struct kiocb *iocb, struct socket *sock,
 
 	skb = sock_alloc_send_skb(sk, len + self->max_header_size,
 				  msg->msg_flags & MSG_DONTWAIT, &err);
+	err = -ENOBUFS;
 	if (!skb)
-		return -ENOBUFS;
+		goto out;
 
 	skb_reserve(skb, self->max_header_size);
 	skb_reset_transport_header(skb);
@@ -1547,7 +1617,7 @@ static int irda_sendmsg_dgram(struct kiocb *iocb, struct socket *sock,
 	err = memcpy_fromiovec(skb_transport_header(skb), msg->msg_iov, len);
 	if (err) {
 		kfree_skb(skb);
-		return err;
+		goto out;
 	}
 
 	/*
@@ -1557,9 +1627,13 @@ static int irda_sendmsg_dgram(struct kiocb *iocb, struct socket *sock,
 	err = irttp_udata_request(self->tsap, skb);
 	if (err) {
 		IRDA_DEBUG(0, "%s(), err=%d\n", __func__, err);
-		return err;
+		goto out;
 	}
+	unlock_kernel();
 	return len;
+out:
+	unlock_kernel();
+	return err;
 }
 
 /*
@@ -1581,12 +1655,15 @@ static int irda_sendmsg_ultra(struct kiocb *iocb, struct socket *sock,
 
 	IRDA_DEBUG(4, "%s(), len=%zd\n", __func__, len);
 
+	lock_kernel();
+	err = -EINVAL;
 	if (msg->msg_flags & ~(MSG_DONTWAIT|MSG_CMSG_COMPAT))
-		return -EINVAL;
+		goto out;
 
+	err = -EPIPE;
 	if (sk->sk_shutdown & SEND_SHUTDOWN) {
 		send_sig(SIGPIPE, current, 0);
-		return -EPIPE;
+		goto out;
 	}
 
 	self = irda_sk(sk);
@@ -1594,16 +1671,18 @@ static int irda_sendmsg_ultra(struct kiocb *iocb, struct socket *sock,
 	/* Check if an address was specified with sendto. Jean II */
 	if (msg->msg_name) {
 		struct sockaddr_irda *addr = (struct sockaddr_irda *) msg->msg_name;
+		err = -EINVAL;
 		/* Check address, extract pid. Jean II */
 		if (msg->msg_namelen < sizeof(*addr))
-			return -EINVAL;
+			goto out;
 		if (addr->sir_family != AF_IRDA)
-			return -EINVAL;
+			goto out;
 
 		pid = addr->sir_lsap_sel;
 		if (pid & 0x80) {
 			IRDA_DEBUG(0, "%s(), extension in PID not supp!\n", __func__);
-			return -EOPNOTSUPP;
+			err = -EOPNOTSUPP;
+			goto out;
 		}
 	} else {
 		/* Check that the socket is properly bound to an Ultra
@@ -1612,7 +1691,8 @@ static int irda_sendmsg_ultra(struct kiocb *iocb, struct socket *sock,
 		    (sk->sk_state != TCP_ESTABLISHED)) {
 			IRDA_DEBUG(0, "%s(), socket not bound to Ultra PID.\n",
 				   __func__);
-			return -ENOTCONN;
+			err = -ENOTCONN;
+			goto out;
 		}
 		/* Use PID from socket */
 		bound = 1;
@@ -1631,8 +1711,9 @@ static int irda_sendmsg_ultra(struct kiocb *iocb, struct socket *sock,
 
 	skb = sock_alloc_send_skb(sk, len + self->max_header_size,
 				  msg->msg_flags & MSG_DONTWAIT, &err);
+	err = -ENOBUFS;
 	if (!skb)
-		return -ENOBUFS;
+		goto out;
 
 	skb_reserve(skb, self->max_header_size);
 	skb_reset_transport_header(skb);
@@ -1642,16 +1723,16 @@ static int irda_sendmsg_ultra(struct kiocb *iocb, struct socket *sock,
 	err = memcpy_fromiovec(skb_transport_header(skb), msg->msg_iov, len);
 	if (err) {
 		kfree_skb(skb);
-		return err;
+		goto out;
 	}
 
 	err = irlmp_connless_data_request((bound ? self->lsap : NULL),
 					  skb, pid);
-	if (err) {
+	if (err)
 		IRDA_DEBUG(0, "%s(), err=%d\n", __func__, err);
-		return err;
-	}
-	return len;
+out:
+	unlock_kernel();
+	return err ? : len;
 }
 #endif /* CONFIG_IRDA_ULTRA */
 
@@ -1665,6 +1746,8 @@ static int irda_shutdown(struct socket *sock, int how)
 
 	IRDA_DEBUG(1, "%s(%p)\n", __func__, self);
 
+	lock_kernel();
+
 	sk->sk_state       = TCP_CLOSE;
 	sk->sk_shutdown   |= SEND_SHUTDOWN;
 	sk->sk_state_change(sk);
@@ -1685,6 +1768,8 @@ static int irda_shutdown(struct socket *sock, int how)
 	self->daddr = DEV_ADDR_ANY;	/* Until we get re-connected */
 	self->saddr = 0x0;		/* so IrLMP assign us any link */
 
+	unlock_kernel();
+
 	return 0;
 }
 
@@ -1700,6 +1785,7 @@ static unsigned int irda_poll(struct file * file, struct socket *sock,
 
 	IRDA_DEBUG(4, "%s()\n", __func__);
 
+	lock_kernel();
 	poll_wait(file, sk->sk_sleep, wait);
 	mask = 0;
 
@@ -1747,18 +1833,34 @@ static unsigned int irda_poll(struct file * file, struct socket *sock,
 	default:
 		break;
 	}
+	unlock_kernel();
 	return mask;
 }
 
+static unsigned int irda_datagram_poll(struct file *file, struct socket *sock,
+			   poll_table *wait)
+{
+	int err;
+
+	lock_kernel();
+	err = datagram_poll(file, sock, wait);
+	unlock_kernel();
+
+	return err;
+}
+
 /*
  * Function irda_ioctl (sock, cmd, arg)
  */
 static int irda_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 {
 	struct sock *sk = sock->sk;
+	int err;
 
 	IRDA_DEBUG(4, "%s(), cmd=%#x\n", __func__, cmd);
 
+	lock_kernel();
+	err = -EINVAL;
 	switch (cmd) {
 	case TIOCOUTQ: {
 		long amount;
@@ -1766,9 +1868,8 @@ static int irda_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 		amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
 		if (amount < 0)
 			amount = 0;
-		if (put_user(amount, (unsigned int __user *)arg))
-			return -EFAULT;
-		return 0;
+		err = put_user(amount, (unsigned int __user *)arg);
+		break;
 	}
 
 	case TIOCINQ: {
@@ -1777,15 +1878,14 @@ static int irda_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 		/* These two are safe on a single CPU system as only user tasks fiddle here */
 		if ((skb = skb_peek(&sk->sk_receive_queue)) != NULL)
 			amount = skb->len;
-		if (put_user(amount, (unsigned int __user *)arg))
-			return -EFAULT;
-		return 0;
+		err = put_user(amount, (unsigned int __user *)arg);
+		break;
 	}
 
 	case SIOCGSTAMP:
 		if (sk != NULL)
-			return sock_get_timestamp(sk, (struct timeval __user *)arg);
-		return -EINVAL;
+			err = sock_get_timestamp(sk, (struct timeval __user *)arg);
+		break;
 
 	case SIOCGIFADDR:
 	case SIOCSIFADDR:
@@ -1797,14 +1897,14 @@ static int irda_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 	case SIOCSIFNETMASK:
 	case SIOCGIFMETRIC:
 	case SIOCSIFMETRIC:
-		return -EINVAL;
+		break;
 	default:
 		IRDA_DEBUG(1, "%s(), doing device ioctl!\n", __func__);
-		return -ENOIOCTLCMD;
+		err = -ENOIOCTLCMD;
 	}
+	unlock_kernel();
 
-	/*NOTREACHED*/
-	return 0;
+	return err;
 }
 
 #ifdef CONFIG_COMPAT
@@ -1826,7 +1926,7 @@ static int irda_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned lon
  *    Set some options for the socket
  *
  */
-static int irda_setsockopt(struct socket *sock, int level, int optname,
+static int __irda_setsockopt(struct socket *sock, int level, int optname,
 			   char __user *optval, unsigned int optlen)
 {
 	struct sock *sk = sock->sk;
@@ -2084,6 +2184,18 @@ static int irda_setsockopt(struct socket *sock, int level, int optname,
 	return 0;
 }
 
+static int irda_setsockopt(struct socket *sock, int level, int optname,
+			   char __user *optval, unsigned int optlen)
+{
+	int err;
+
+	lock_kernel();
+	err = __irda_setsockopt(sock, level, optname, optval, optlen);
+	unlock_kernel();
+
+	return err;
+}
+
 /*
  * Function irda_extract_ias_value(ias_opt, ias_value)
  *
@@ -2136,7 +2248,7 @@ static int irda_extract_ias_value(struct irda_ias_set *ias_opt,
 /*
  * Function irda_getsockopt (sock, level, optname, optval, optlen)
  */
-static int irda_getsockopt(struct socket *sock, int level, int optname,
+static int __irda_getsockopt(struct socket *sock, int level, int optname,
 			   char __user *optval, int __user *optlen)
 {
 	struct sock *sk = sock->sk;
@@ -2464,13 +2576,25 @@ bed:
 	return 0;
 }
 
+static int irda_getsockopt(struct socket *sock, int level, int optname,
+			   char __user *optval, int __user *optlen)
+{
+	int err;
+
+	lock_kernel();
+	err = __irda_getsockopt(sock, level, optname, optval, optlen);
+	unlock_kernel();
+
+	return err;
+}
+
 static const struct net_proto_family irda_family_ops = {
 	.family = PF_IRDA,
 	.create = irda_create,
 	.owner	= THIS_MODULE,
 };
 
-static const struct proto_ops SOCKOPS_WRAPPED(irda_stream_ops) = {
+static const struct proto_ops irda_stream_ops = {
 	.family =	PF_IRDA,
 	.owner =	THIS_MODULE,
 	.release =	irda_release,
@@ -2494,7 +2618,7 @@ static const struct proto_ops SOCKOPS_WRAPPED(irda_stream_ops) = {
 	.sendpage =	sock_no_sendpage,
 };
 
-static const struct proto_ops SOCKOPS_WRAPPED(irda_seqpacket_ops) = {
+static const struct proto_ops irda_seqpacket_ops = {
 	.family =	PF_IRDA,
 	.owner =	THIS_MODULE,
 	.release =	irda_release,
@@ -2503,7 +2627,7 @@ static const struct proto_ops SOCKOPS_WRAPPED(irda_seqpacket_ops) = {
 	.socketpair =	sock_no_socketpair,
 	.accept =	irda_accept,
 	.getname =	irda_getname,
-	.poll =		datagram_poll,
+	.poll =		irda_datagram_poll,
 	.ioctl =	irda_ioctl,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl =	irda_compat_ioctl,
@@ -2518,7 +2642,7 @@ static const struct proto_ops SOCKOPS_WRAPPED(irda_seqpacket_ops) = {
 	.sendpage =	sock_no_sendpage,
 };
 
-static const struct proto_ops SOCKOPS_WRAPPED(irda_dgram_ops) = {
+static const struct proto_ops irda_dgram_ops = {
 	.family =	PF_IRDA,
 	.owner =	THIS_MODULE,
 	.release =	irda_release,
@@ -2527,7 +2651,7 @@ static const struct proto_ops SOCKOPS_WRAPPED(irda_dgram_ops) = {
 	.socketpair =	sock_no_socketpair,
 	.accept =	irda_accept,
 	.getname =	irda_getname,
-	.poll =		datagram_poll,
+	.poll =		irda_datagram_poll,
 	.ioctl =	irda_ioctl,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl =	irda_compat_ioctl,
@@ -2543,7 +2667,7 @@ static const struct proto_ops SOCKOPS_WRAPPED(irda_dgram_ops) = {
 };
 
 #ifdef CONFIG_IRDA_ULTRA
-static const struct proto_ops SOCKOPS_WRAPPED(irda_ultra_ops) = {
+static const struct proto_ops irda_ultra_ops = {
 	.family =	PF_IRDA,
 	.owner =	THIS_MODULE,
 	.release =	irda_release,
@@ -2552,7 +2676,7 @@ static const struct proto_ops SOCKOPS_WRAPPED(irda_ultra_ops) = {
 	.socketpair =	sock_no_socketpair,
 	.accept =	sock_no_accept,
 	.getname =	irda_getname,
-	.poll =		datagram_poll,
+	.poll =		irda_datagram_poll,
 	.ioctl =	irda_ioctl,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl =	irda_compat_ioctl,
@@ -2568,13 +2692,6 @@ static const struct proto_ops SOCKOPS_WRAPPED(irda_ultra_ops) = {
 };
 #endif /* CONFIG_IRDA_ULTRA */
 
-SOCKOPS_WRAP(irda_stream, PF_IRDA);
-SOCKOPS_WRAP(irda_seqpacket, PF_IRDA);
-SOCKOPS_WRAP(irda_dgram, PF_IRDA);
-#ifdef CONFIG_IRDA_ULTRA
-SOCKOPS_WRAP(irda_ultra, PF_IRDA);
-#endif /* CONFIG_IRDA_ULTRA */
-
 /*
  * Function irsock_init (pro)
  *
-- 
GitLab


From 91774904fbf0fe1c71441dd8299342a4654f7103 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Thu, 5 Nov 2009 04:37:29 +0000
Subject: [PATCH 1025/1815] net/x25: push BKL usage into x25_proto

The x25 driver uses lock_kernel() implicitly through
its proto_ops wrapper. The makes the usage explicit
in order to get rid of that wrapper and to better document
the usage of the BKL.

The next step should be to get rid of the usage of the BKL
in x25 entirely, which requires understanding what data
structures need serialized accesses.

Cc: Henner Eisen <eis@baty.hanse.de>
Cc: David S. Miller <davem@davemloft.net>
Cc: linux-x25@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/x25/af_x25.c | 71 ++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 60 insertions(+), 11 deletions(-)

diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index 38e235f61e2..39ce03e07d1 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -415,6 +415,7 @@ static int x25_setsockopt(struct socket *sock, int level, int optname,
 	struct sock *sk = sock->sk;
 	int rc = -ENOPROTOOPT;
 
+	lock_kernel();
 	if (level != SOL_X25 || optname != X25_QBITINCL)
 		goto out;
 
@@ -429,6 +430,7 @@ static int x25_setsockopt(struct socket *sock, int level, int optname,
 	x25_sk(sk)->qbitincl = !!opt;
 	rc = 0;
 out:
+	unlock_kernel();
 	return rc;
 }
 
@@ -438,6 +440,7 @@ static int x25_getsockopt(struct socket *sock, int level, int optname,
 	struct sock *sk = sock->sk;
 	int val, len, rc = -ENOPROTOOPT;
 
+	lock_kernel();
 	if (level != SOL_X25 || optname != X25_QBITINCL)
 		goto out;
 
@@ -458,6 +461,7 @@ static int x25_getsockopt(struct socket *sock, int level, int optname,
 	val = x25_sk(sk)->qbitincl;
 	rc = copy_to_user(optval, &val, len) ? -EFAULT : 0;
 out:
+	unlock_kernel();
 	return rc;
 }
 
@@ -466,12 +470,14 @@ static int x25_listen(struct socket *sock, int backlog)
 	struct sock *sk = sock->sk;
 	int rc = -EOPNOTSUPP;
 
+	lock_kernel();
 	if (sk->sk_state != TCP_LISTEN) {
 		memset(&x25_sk(sk)->dest_addr, 0, X25_ADDR_LEN);
 		sk->sk_max_ack_backlog = backlog;
 		sk->sk_state           = TCP_LISTEN;
 		rc = 0;
 	}
+	unlock_kernel();
 
 	return rc;
 }
@@ -598,6 +604,7 @@ static int x25_release(struct socket *sock)
 	struct sock *sk = sock->sk;
 	struct x25_sock *x25;
 
+	lock_kernel();
 	if (!sk)
 		goto out;
 
@@ -628,6 +635,7 @@ static int x25_release(struct socket *sock)
 
 	sock_orphan(sk);
 out:
+	unlock_kernel();
 	return 0;
 }
 
@@ -635,18 +643,23 @@ static int x25_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 {
 	struct sock *sk = sock->sk;
 	struct sockaddr_x25 *addr = (struct sockaddr_x25 *)uaddr;
+	int rc = 0;
 
+	lock_kernel();
 	if (!sock_flag(sk, SOCK_ZAPPED) ||
 	    addr_len != sizeof(struct sockaddr_x25) ||
-	    addr->sx25_family != AF_X25)
-		return -EINVAL;
+	    addr->sx25_family != AF_X25) {
+		rc = -EINVAL;
+		goto out;
+	}
 
 	x25_sk(sk)->source_addr = addr->sx25_addr;
 	x25_insert_socket(sk);
 	sock_reset_flag(sk, SOCK_ZAPPED);
 	SOCK_DEBUG(sk, "x25_bind: socket is bound\n");
-
-	return 0;
+out:
+	unlock_kernel();
+	return rc;
 }
 
 static int x25_wait_for_connection_establishment(struct sock *sk)
@@ -687,6 +700,7 @@ static int x25_connect(struct socket *sock, struct sockaddr *uaddr,
 	struct x25_route *rt;
 	int rc = 0;
 
+	lock_kernel();
 	lock_sock(sk);
 	if (sk->sk_state == TCP_ESTABLISHED && sock->state == SS_CONNECTING) {
 		sock->state = SS_CONNECTED;
@@ -764,6 +778,7 @@ out_put_route:
 	x25_route_put(rt);
 out:
 	release_sock(sk);
+	unlock_kernel();
 	return rc;
 }
 
@@ -803,6 +818,7 @@ static int x25_accept(struct socket *sock, struct socket *newsock, int flags)
 	struct sk_buff *skb;
 	int rc = -EINVAL;
 
+	lock_kernel();
 	if (!sk || sk->sk_state != TCP_LISTEN)
 		goto out;
 
@@ -830,6 +846,7 @@ static int x25_accept(struct socket *sock, struct socket *newsock, int flags)
 out2:
 	release_sock(sk);
 out:
+	unlock_kernel();
 	return rc;
 }
 
@@ -839,10 +856,14 @@ static int x25_getname(struct socket *sock, struct sockaddr *uaddr,
 	struct sockaddr_x25 *sx25 = (struct sockaddr_x25 *)uaddr;
 	struct sock *sk = sock->sk;
 	struct x25_sock *x25 = x25_sk(sk);
+	int rc = 0;
 
+	lock_kernel();
 	if (peer) {
-		if (sk->sk_state != TCP_ESTABLISHED)
-			return -ENOTCONN;
+		if (sk->sk_state != TCP_ESTABLISHED) {
+			rc = -ENOTCONN;
+			goto out;
+		}
 		sx25->sx25_addr = x25->dest_addr;
 	} else
 		sx25->sx25_addr = x25->source_addr;
@@ -850,7 +871,21 @@ static int x25_getname(struct socket *sock, struct sockaddr *uaddr,
 	sx25->sx25_family = AF_X25;
 	*uaddr_len = sizeof(*sx25);
 
-	return 0;
+out:
+	unlock_kernel();
+	return rc;
+}
+
+static unsigned int x25_datagram_poll(struct file *file, struct socket *sock,
+			   poll_table *wait)
+{
+	int rc;
+
+	lock_kernel();
+	rc = datagram_poll(file, sock, wait);
+	unlock_kernel();
+
+	return rc;
 }
 
 int x25_rx_call_request(struct sk_buff *skb, struct x25_neigh *nb,
@@ -1003,6 +1038,7 @@ static int x25_sendmsg(struct kiocb *iocb, struct socket *sock,
 	size_t size;
 	int qbit = 0, rc = -EINVAL;
 
+	lock_kernel();
 	if (msg->msg_flags & ~(MSG_DONTWAIT|MSG_OOB|MSG_EOR|MSG_CMSG_COMPAT))
 		goto out;
 
@@ -1167,6 +1203,7 @@ static int x25_sendmsg(struct kiocb *iocb, struct socket *sock,
 	release_sock(sk);
 	rc = len;
 out:
+	unlock_kernel();
 	return rc;
 out_kfree_skb:
 	kfree_skb(skb);
@@ -1187,6 +1224,7 @@ static int x25_recvmsg(struct kiocb *iocb, struct socket *sock,
 	unsigned char *asmptr;
 	int rc = -ENOTCONN;
 
+	lock_kernel();
 	/*
 	 * This works for seqpacket too. The receiver has ordered the queue for
 	 * us! We do one quick check first though
@@ -1260,6 +1298,7 @@ static int x25_recvmsg(struct kiocb *iocb, struct socket *sock,
 out_free_dgram:
 	skb_free_datagram(sk, skb);
 out:
+	unlock_kernel();
 	return rc;
 }
 
@@ -1271,6 +1310,7 @@ static int x25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 	void __user *argp = (void __user *)arg;
 	int rc;
 
+	lock_kernel();
 	switch (cmd) {
 		case TIOCOUTQ: {
 			int amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
@@ -1473,6 +1513,7 @@ static int x25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 			rc = -ENOIOCTLCMD;
 			break;
 	}
+	unlock_kernel();
 
 	return rc;
 }
@@ -1543,15 +1584,19 @@ static int compat_x25_ioctl(struct socket *sock, unsigned int cmd,
 		break;
 	case SIOCGSTAMP:
 		rc = -EINVAL;
+		lock_kernel();
 		if (sk)
 			rc = compat_sock_get_timestamp(sk,
 					(struct timeval __user*)argp);
+		unlock_kernel();
 		break;
 	case SIOCGSTAMPNS:
 		rc = -EINVAL;
+		lock_kernel();
 		if (sk)
 			rc = compat_sock_get_timestampns(sk,
 					(struct timespec __user*)argp);
+		unlock_kernel();
 		break;
 	case SIOCGIFADDR:
 	case SIOCSIFADDR:
@@ -1570,16 +1615,22 @@ static int compat_x25_ioctl(struct socket *sock, unsigned int cmd,
 		rc = -EPERM;
 		if (!capable(CAP_NET_ADMIN))
 			break;
+		lock_kernel();
 		rc = x25_route_ioctl(cmd, argp);
+		unlock_kernel();
 		break;
 	case SIOCX25GSUBSCRIP:
+		lock_kernel();
 		rc = compat_x25_subscr_ioctl(cmd, argp);
+		unlock_kernel();
 		break;
 	case SIOCX25SSUBSCRIP:
 		rc = -EPERM;
 		if (!capable(CAP_NET_ADMIN))
 			break;
+		lock_kernel();
 		rc = compat_x25_subscr_ioctl(cmd, argp);
+		unlock_kernel();
 		break;
 	case SIOCX25GFACILITIES:
 	case SIOCX25SFACILITIES:
@@ -1601,7 +1652,7 @@ static int compat_x25_ioctl(struct socket *sock, unsigned int cmd,
 }
 #endif
 
-static const struct proto_ops SOCKOPS_WRAPPED(x25_proto_ops) = {
+static const struct proto_ops x25_proto_ops = {
 	.family =	AF_X25,
 	.owner =	THIS_MODULE,
 	.release =	x25_release,
@@ -1610,7 +1661,7 @@ static const struct proto_ops SOCKOPS_WRAPPED(x25_proto_ops) = {
 	.socketpair =	sock_no_socketpair,
 	.accept =	x25_accept,
 	.getname =	x25_getname,
-	.poll =		datagram_poll,
+	.poll =		x25_datagram_poll,
 	.ioctl =	x25_ioctl,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl = compat_x25_ioctl,
@@ -1625,8 +1676,6 @@ static const struct proto_ops SOCKOPS_WRAPPED(x25_proto_ops) = {
 	.sendpage =	sock_no_sendpage,
 };
 
-SOCKOPS_WRAP(x25_proto, AF_X25);
-
 static struct packet_type x25_packet_type __read_mostly = {
 	.type =	cpu_to_be16(ETH_P_X25),
 	.func =	x25_lapb_receive_frame,
-- 
GitLab


From b215c57dcc847b15693899d26aa0ee4669dacefb Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Thu, 5 Nov 2009 04:37:30 +0000
Subject: [PATCH 1026/1815] net: kill proto_ops wrapper

All users of wrapped proto_ops are now gone, so we can safely remove
the wrappers as well.

Cc: David S. Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/net.h | 83 ---------------------------------------------
 1 file changed, 83 deletions(-)

diff --git a/include/linux/net.h b/include/linux/net.h
index 70ee3c310f1..6ce87663551 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -268,89 +268,6 @@ extern int kernel_sock_ioctl(struct socket *sock, int cmd, unsigned long arg);
 extern int kernel_sock_shutdown(struct socket *sock,
 				enum sock_shutdown_cmd how);
 
-#ifndef CONFIG_SMP
-#define SOCKOPS_WRAPPED(name) name
-#define SOCKOPS_WRAP(name, fam)
-#else
-
-#define SOCKOPS_WRAPPED(name) __unlocked_##name
-
-#define SOCKCALL_WRAP(name, call, parms, args)		\
-static int __lock_##name##_##call  parms		\
-{							\
-	int ret;					\
-	lock_kernel();					\
-	ret = __unlocked_##name##_ops.call  args ;\
-	unlock_kernel();				\
-	return ret;					\
-}
-
-#define SOCKCALL_UWRAP(name, call, parms, args)		\
-static unsigned int __lock_##name##_##call  parms	\
-{							\
-	int ret;					\
-	lock_kernel();					\
-	ret = __unlocked_##name##_ops.call  args ;\
-	unlock_kernel();				\
-	return ret;					\
-}
-
-
-#define SOCKOPS_WRAP(name, fam)					\
-SOCKCALL_WRAP(name, release, (struct socket *sock), (sock))	\
-SOCKCALL_WRAP(name, bind, (struct socket *sock, struct sockaddr *uaddr, int addr_len), \
-	      (sock, uaddr, addr_len))				\
-SOCKCALL_WRAP(name, connect, (struct socket *sock, struct sockaddr * uaddr, \
-			      int addr_len, int flags), 	\
-	      (sock, uaddr, addr_len, flags))			\
-SOCKCALL_WRAP(name, socketpair, (struct socket *sock1, struct socket *sock2), \
-	      (sock1, sock2))					\
-SOCKCALL_WRAP(name, accept, (struct socket *sock, struct socket *newsock, \
-			 int flags), (sock, newsock, flags)) \
-SOCKCALL_WRAP(name, getname, (struct socket *sock, struct sockaddr *uaddr, \
-			 int *addr_len, int peer), (sock, uaddr, addr_len, peer)) \
-SOCKCALL_UWRAP(name, poll, (struct file *file, struct socket *sock, struct poll_table_struct *wait), \
-	      (file, sock, wait)) \
-SOCKCALL_WRAP(name, ioctl, (struct socket *sock, unsigned int cmd, \
-			 unsigned long arg), (sock, cmd, arg)) \
-SOCKCALL_WRAP(name, compat_ioctl, (struct socket *sock, unsigned int cmd, \
-			 unsigned long arg), (sock, cmd, arg)) \
-SOCKCALL_WRAP(name, listen, (struct socket *sock, int len), (sock, len)) \
-SOCKCALL_WRAP(name, shutdown, (struct socket *sock, int flags), (sock, flags)) \
-SOCKCALL_WRAP(name, setsockopt, (struct socket *sock, int level, int optname, \
-			 char __user *optval, unsigned int optlen), (sock, level, optname, optval, optlen)) \
-SOCKCALL_WRAP(name, getsockopt, (struct socket *sock, int level, int optname, \
-			 char __user *optval, int __user *optlen), (sock, level, optname, optval, optlen)) \
-SOCKCALL_WRAP(name, sendmsg, (struct kiocb *iocb, struct socket *sock, struct msghdr *m, size_t len), \
-	      (iocb, sock, m, len)) \
-SOCKCALL_WRAP(name, recvmsg, (struct kiocb *iocb, struct socket *sock, struct msghdr *m, size_t len, int flags), \
-	      (iocb, sock, m, len, flags)) \
-SOCKCALL_WRAP(name, mmap, (struct file *file, struct socket *sock, struct vm_area_struct *vma), \
-	      (file, sock, vma)) \
-	      \
-static const struct proto_ops name##_ops = {			\
-	.family		= fam,				\
-	.owner		= THIS_MODULE,			\
-	.release	= __lock_##name##_release,	\
-	.bind		= __lock_##name##_bind,		\
-	.connect	= __lock_##name##_connect,	\
-	.socketpair	= __lock_##name##_socketpair,	\
-	.accept		= __lock_##name##_accept,	\
-	.getname	= __lock_##name##_getname,	\
-	.poll		= __lock_##name##_poll,		\
-	.ioctl		= __lock_##name##_ioctl,	\
-	.compat_ioctl	= __lock_##name##_compat_ioctl,	\
-	.listen		= __lock_##name##_listen,	\
-	.shutdown	= __lock_##name##_shutdown,	\
-	.setsockopt	= __lock_##name##_setsockopt,	\
-	.getsockopt	= __lock_##name##_getsockopt,	\
-	.sendmsg	= __lock_##name##_sendmsg,	\
-	.recvmsg	= __lock_##name##_recvmsg,	\
-	.mmap		= __lock_##name##_mmap,		\
-};
-
-#endif
-
 #define MODULE_ALIAS_NETPROTO(proto) \
 	MODULE_ALIAS("net-pf-" __stringify(proto))
 
-- 
GitLab


From e0d087af725b09358336098a6b57bb7f90f96175 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Sat, 7 Nov 2009 01:26:17 -0800
Subject: [PATCH 1027/1815] rtnetlink: Cleanups

Pure cleanups patch

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/rtnetlink.c | 54 +++++++++++++++++++-------------------------
 1 file changed, 23 insertions(+), 31 deletions(-)

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 391a62cd9df..e2f3317f290 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -38,7 +38,6 @@
 
 #include <asm/uaccess.h>
 #include <asm/system.h>
-#include <asm/string.h>
 
 #include <linux/inet.h>
 #include <linux/netdevice.h>
@@ -53,8 +52,7 @@
 #include <net/rtnetlink.h>
 #include <net/net_namespace.h>
 
-struct rtnl_link
-{
+struct rtnl_link {
 	rtnl_doit_func		doit;
 	rtnl_dumpit_func	dumpit;
 };
@@ -65,6 +63,7 @@ void rtnl_lock(void)
 {
 	mutex_lock(&rtnl_mutex);
 }
+EXPORT_SYMBOL(rtnl_lock);
 
 void __rtnl_unlock(void)
 {
@@ -76,16 +75,19 @@ void rtnl_unlock(void)
 	/* This fellow will unlock it for us. */
 	netdev_run_todo();
 }
+EXPORT_SYMBOL(rtnl_unlock);
 
 int rtnl_trylock(void)
 {
 	return mutex_trylock(&rtnl_mutex);
 }
+EXPORT_SYMBOL(rtnl_trylock);
 
 int rtnl_is_locked(void)
 {
 	return mutex_is_locked(&rtnl_mutex);
 }
+EXPORT_SYMBOL(rtnl_is_locked);
 
 static struct rtnl_link *rtnl_msg_handlers[NPROTO];
 
@@ -168,7 +170,6 @@ int __rtnl_register(int protocol, int msgtype,
 
 	return 0;
 }
-
 EXPORT_SYMBOL_GPL(__rtnl_register);
 
 /**
@@ -188,7 +189,6 @@ void rtnl_register(int protocol, int msgtype,
 		      "protocol = %d, message type = %d\n",
 		      protocol, msgtype);
 }
-
 EXPORT_SYMBOL_GPL(rtnl_register);
 
 /**
@@ -213,7 +213,6 @@ int rtnl_unregister(int protocol, int msgtype)
 
 	return 0;
 }
-
 EXPORT_SYMBOL_GPL(rtnl_unregister);
 
 /**
@@ -230,7 +229,6 @@ void rtnl_unregister_all(int protocol)
 	kfree(rtnl_msg_handlers[protocol]);
 	rtnl_msg_handlers[protocol] = NULL;
 }
-
 EXPORT_SYMBOL_GPL(rtnl_unregister_all);
 
 static LIST_HEAD(link_ops);
@@ -253,7 +251,6 @@ int __rtnl_link_register(struct rtnl_link_ops *ops)
 	list_add_tail(&ops->list, &link_ops);
 	return 0;
 }
-
 EXPORT_SYMBOL_GPL(__rtnl_link_register);
 
 /**
@@ -271,7 +268,6 @@ int rtnl_link_register(struct rtnl_link_ops *ops)
 	rtnl_unlock();
 	return err;
 }
-
 EXPORT_SYMBOL_GPL(rtnl_link_register);
 
 static void __rtnl_kill_links(struct net *net, struct rtnl_link_ops *ops)
@@ -309,7 +305,6 @@ void __rtnl_link_unregister(struct rtnl_link_ops *ops)
 	}
 	list_del(&ops->list);
 }
-
 EXPORT_SYMBOL_GPL(__rtnl_link_unregister);
 
 /**
@@ -322,7 +317,6 @@ void rtnl_link_unregister(struct rtnl_link_ops *ops)
 	__rtnl_link_unregister(ops);
 	rtnl_unlock();
 }
-
 EXPORT_SYMBOL_GPL(rtnl_link_unregister);
 
 static const struct rtnl_link_ops *rtnl_link_ops_get(const char *kind)
@@ -427,12 +421,13 @@ void __rta_fill(struct sk_buff *skb, int attrtype, int attrlen, const void *data
 	struct rtattr *rta;
 	int size = RTA_LENGTH(attrlen);
 
-	rta = (struct rtattr*)skb_put(skb, RTA_ALIGN(size));
+	rta = (struct rtattr *)skb_put(skb, RTA_ALIGN(size));
 	rta->rta_type = attrtype;
 	rta->rta_len = size;
 	memcpy(RTA_DATA(rta), data, attrlen);
 	memset(RTA_DATA(rta) + attrlen, 0, RTA_ALIGN(size) - size);
 }
+EXPORT_SYMBOL(__rta_fill);
 
 int rtnetlink_send(struct sk_buff *skb, struct net *net, u32 pid, unsigned group, int echo)
 {
@@ -454,6 +449,7 @@ int rtnl_unicast(struct sk_buff *skb, struct net *net, u32 pid)
 
 	return nlmsg_unicast(rtnl, skb, pid);
 }
+EXPORT_SYMBOL(rtnl_unicast);
 
 void rtnl_notify(struct sk_buff *skb, struct net *net, u32 pid, u32 group,
 		 struct nlmsghdr *nlh, gfp_t flags)
@@ -466,6 +462,7 @@ void rtnl_notify(struct sk_buff *skb, struct net *net, u32 pid, u32 group,
 
 	nlmsg_notify(rtnl, skb, pid, group, report, flags);
 }
+EXPORT_SYMBOL(rtnl_notify);
 
 void rtnl_set_sk_err(struct net *net, u32 group, int error)
 {
@@ -473,6 +470,7 @@ void rtnl_set_sk_err(struct net *net, u32 group, int error)
 
 	netlink_set_err(rtnl, 0, group, error);
 }
+EXPORT_SYMBOL(rtnl_set_sk_err);
 
 int rtnetlink_put_metrics(struct sk_buff *skb, u32 *metrics)
 {
@@ -501,6 +499,7 @@ nla_put_failure:
 	nla_nest_cancel(skb, mx);
 	return -EMSGSIZE;
 }
+EXPORT_SYMBOL(rtnetlink_put_metrics);
 
 int rtnl_put_cacheinfo(struct sk_buff *skb, struct dst_entry *dst, u32 id,
 		       u32 ts, u32 tsage, long expires, u32 error)
@@ -520,14 +519,13 @@ int rtnl_put_cacheinfo(struct sk_buff *skb, struct dst_entry *dst, u32 id,
 
 	return nla_put(skb, RTA_CACHEINFO, sizeof(ci), &ci);
 }
-
 EXPORT_SYMBOL_GPL(rtnl_put_cacheinfo);
 
 static void set_operstate(struct net_device *dev, unsigned char transition)
 {
 	unsigned char operstate = dev->operstate;
 
-	switch(transition) {
+	switch (transition) {
 	case IF_OPER_UP:
 		if ((operstate == IF_OPER_DORMANT ||
 		     operstate == IF_OPER_UNKNOWN) &&
@@ -728,6 +726,7 @@ const struct nla_policy ifla_policy[IFLA_MAX+1] = {
 	[IFLA_NET_NS_PID]	= { .type = NLA_U32 },
 	[IFLA_IFALIAS]	        = { .type = NLA_STRING, .len = IFALIASZ-1 },
 };
+EXPORT_SYMBOL(ifla_policy);
 
 static const struct nla_policy ifla_info_policy[IFLA_INFO_MAX+1] = {
 	[IFLA_INFO_KIND]	= { .type = NLA_STRING },
@@ -932,7 +931,8 @@ static int rtnl_setlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
 		goto errout;
 	}
 
-	if ((err = validate_linkmsg(dev, tb)) < 0)
+	err = validate_linkmsg(dev, tb);
+	if (err < 0)
 		goto errout;
 
 	err = do_setlink(dev, ifm, tb, ifname, 0);
@@ -985,7 +985,8 @@ struct net_device *rtnl_create_link(struct net *net, char *ifname,
 	unsigned int real_num_queues = 1;
 
 	if (ops->get_tx_queues) {
-		err = ops->get_tx_queues(net, tb, &num_queues, &real_num_queues);
+		err = ops->get_tx_queues(net, tb, &num_queues,
+					 &real_num_queues);
 		if (err)
 			goto err;
 	}
@@ -1026,6 +1027,7 @@ err_free:
 err:
 	return ERR_PTR(err);
 }
+EXPORT_SYMBOL(rtnl_create_link);
 
 static int rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
 {
@@ -1059,7 +1061,8 @@ replay:
 	else
 		dev = NULL;
 
-	if ((err = validate_linkmsg(dev, tb)) < 0)
+	err = validate_linkmsg(dev, tb);
+	if (err < 0)
 		return err;
 
 	if (tb[IFLA_LINKINFO]) {
@@ -1210,7 +1213,7 @@ static int rtnl_dump_all(struct sk_buff *skb, struct netlink_callback *cb)
 
 	if (s_idx == 0)
 		s_idx = 1;
-	for (idx=1; idx<NPROTO; idx++) {
+	for (idx = 1; idx < NPROTO; idx++) {
 		int type = cb->nlh->nlmsg_type-RTM_BASE;
 		if (idx < s_idx || idx == PF_PACKET)
 			continue;
@@ -1277,7 +1280,7 @@ static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
 	if (nlh->nlmsg_len < NLMSG_LENGTH(sizeof(struct rtgenmsg)))
 		return 0;
 
-	family = ((struct rtgenmsg*)NLMSG_DATA(nlh))->rtgen_family;
+	family = ((struct rtgenmsg *)NLMSG_DATA(nlh))->rtgen_family;
 	if (family >= NPROTO)
 		return -EAFNOSUPPORT;
 
@@ -1310,7 +1313,7 @@ static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
 
 	if (nlh->nlmsg_len > min_len) {
 		int attrlen = nlh->nlmsg_len - NLMSG_ALIGN(min_len);
-		struct rtattr *attr = (void*)nlh + NLMSG_ALIGN(min_len);
+		struct rtattr *attr = (void *)nlh + NLMSG_ALIGN(min_len);
 
 		while (RTA_OK(attr, attrlen)) {
 			unsigned flavor = attr->rta_type;
@@ -1416,14 +1419,3 @@ void __init rtnetlink_init(void)
 	rtnl_register(PF_UNSPEC, RTM_GETROUTE, NULL, rtnl_dump_all);
 }
 
-EXPORT_SYMBOL(__rta_fill);
-EXPORT_SYMBOL(rtnetlink_put_metrics);
-EXPORT_SYMBOL(rtnl_lock);
-EXPORT_SYMBOL(rtnl_trylock);
-EXPORT_SYMBOL(rtnl_unlock);
-EXPORT_SYMBOL(rtnl_is_locked);
-EXPORT_SYMBOL(rtnl_unicast);
-EXPORT_SYMBOL(rtnl_notify);
-EXPORT_SYMBOL(rtnl_set_sk_err);
-EXPORT_SYMBOL(rtnl_create_link);
-EXPORT_SYMBOL(ifla_policy);
-- 
GitLab


From 2951d64e70652bb11636a5a1f1f2ea295a043f94 Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Wed, 4 Nov 2009 12:52:56 +0000
Subject: [PATCH 1028/1815] fsl_pq_mdio: Fix compiler/sparse warnings (part 1)

commit 1d2397d742b7a2b39b2f09dd9da3b9d1463f55e9 ("fsl_pq_mdio: Add
Suport for etsec2.0 devices") introduced the following warnings:

  CHECK   fsl_pq_mdio.c
fsl_pq_mdio.c:287:22: warning: incorrect type in initializer (different base types)
fsl_pq_mdio.c:287:22:    expected unknown type 11 const *__mptr
fsl_pq_mdio.c:287:22:    got unsigned long long [unsigned] [assigned] [usertype] addr
fsl_pq_mdio.c:287:19: warning: incorrect type in assignment (different base types)
fsl_pq_mdio.c:287:19:    expected unsigned long long [unsigned] [usertype] ioremap_miimcfg
fsl_pq_mdio.c:287:19:    got struct fsl_pq_mdio *<noident>
  CC      fsl_pq_mdio.o
fsl_pq_mdio.c: In function 'fsl_pq_mdio_probe':
fsl_pq_mdio.c:287: warning: initialization makes pointer from integer without a cast
fsl_pq_mdio.c:287: warning: assignment makes integer from pointer without a cast

These warnings are not easy to fix without ugly __force casts. So,
instead of introducing the casts, rework the code to substitute an
offset from an already mapped area. This makes the code a lot simpler
and less duplicated.

Plus, from now on we don't actually map reserved registers on
non-etsec2.0 devices, so we have more chances to catch programming
errors.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/fsl_pq_mdio.c | 31 ++++++++++++-------------------
 1 file changed, 12 insertions(+), 19 deletions(-)

diff --git a/drivers/net/fsl_pq_mdio.c b/drivers/net/fsl_pq_mdio.c
index 4065b7c01ec..fb8c8d9dcf2 100644
--- a/drivers/net/fsl_pq_mdio.c
+++ b/drivers/net/fsl_pq_mdio.c
@@ -262,10 +262,11 @@ static int fsl_pq_mdio_probe(struct of_device *ofdev,
 	struct device_node *np = ofdev->node;
 	struct device_node *tbi;
 	struct fsl_pq_mdio __iomem *regs = NULL;
+	void __iomem *map;
 	u32 __iomem *tbipa;
 	struct mii_bus *new_bus;
 	int tbiaddr = -1;
-	u64 addr = 0, size = 0, ioremap_miimcfg = 0;
+	u64 addr = 0, size = 0;
 	int err = 0;
 
 	new_bus = mdiobus_alloc();
@@ -279,28 +280,20 @@ static int fsl_pq_mdio_probe(struct of_device *ofdev,
 	fsl_pq_mdio_bus_name(new_bus->id, np);
 
 	/* Set the PHY base address */
-	if (of_device_is_compatible(np,"fsl,gianfar-mdio") ||
-		of_device_is_compatible(np, "fsl,gianfar-tbi") ||
-		of_device_is_compatible(np, "fsl,ucc-mdio") ||
-		of_device_is_compatible(np,"ucc_geth_phy" )) {
-		addr = of_translate_address(np, of_get_address(np, 0, &size, NULL));
-		ioremap_miimcfg =  container_of(addr, struct fsl_pq_mdio, miimcfg);
-		regs = ioremap(ioremap_miimcfg, size +
-				offsetof(struct fsl_pq_mdio, miimcfg));
-	} else if (of_device_is_compatible(np,"fsl,etsec2-mdio") ||
-			of_device_is_compatible(np, "fsl,etsec2-tbi")) {
-		addr = of_translate_address(np, of_get_address(np, 0, &size, NULL));
-		regs = ioremap(addr, size);
-	} else {
-		err = -EINVAL;
-		goto err_free_bus;
-	}
-
-	if (NULL == regs) {
+	addr = of_translate_address(np, of_get_address(np, 0, &size, NULL));
+	map = ioremap(addr, size);
+	if (!map) {
 		err = -ENOMEM;
 		goto err_free_bus;
 	}
 
+	if (of_device_is_compatible(np, "fsl,gianfar-mdio") ||
+			of_device_is_compatible(np, "fsl,gianfar-tbi") ||
+			of_device_is_compatible(np, "fsl,ucc-mdio") ||
+			of_device_is_compatible(np, "ucc_geth_phy"))
+		map -= offsetof(struct fsl_pq_mdio, miimcfg);
+	regs = map;
+
 	new_bus->priv = (void __force *)regs;
 
 	new_bus->irq = kcalloc(PHY_MAX_ADDR, sizeof(int), GFP_KERNEL);
-- 
GitLab


From 6748f60b948230684fe3f295220e76679c5efc52 Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Wed, 4 Nov 2009 12:52:57 +0000
Subject: [PATCH 1029/1815] fsl_pq_mdio: Fix compiler/sparse warnings (part 2)

This patch fixes following warnings:

fsl_pq_mdio.c:112:38: warning: cast adds address space to expression (<asn:2>)
fsl_pq_mdio.c:124:38: warning: cast adds address space to expression (<asn:2>)
fsl_pq_mdio.c:133:38: warning: cast adds address space to expression (<asn:2>)
fsl_pq_mdio.c:414:11: warning: cast adds address space to expression (<asn:2>)

Instead of adding __force all over the place, introduce convenient
fsl_pq_mdio_get_regs() call that does the ugly casting just once.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/fsl_pq_mdio.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/drivers/net/fsl_pq_mdio.c b/drivers/net/fsl_pq_mdio.c
index fb8c8d9dcf2..b2ca596760f 100644
--- a/drivers/net/fsl_pq_mdio.c
+++ b/drivers/net/fsl_pq_mdio.c
@@ -103,13 +103,18 @@ int fsl_pq_local_mdio_read(struct fsl_pq_mdio __iomem *regs,
 	return value;
 }
 
+static struct fsl_pq_mdio __iomem *fsl_pq_mdio_get_regs(struct mii_bus *bus)
+{
+	return (void __iomem __force *)bus->priv;
+}
+
 /*
  * Write value to the PHY at mii_id at register regnum,
  * on the bus, waiting until the write is done before returning.
  */
 int fsl_pq_mdio_write(struct mii_bus *bus, int mii_id, int regnum, u16 value)
 {
-	struct fsl_pq_mdio __iomem *regs = (void __iomem *)bus->priv;
+	struct fsl_pq_mdio __iomem *regs = fsl_pq_mdio_get_regs(bus);
 
 	/* Write to the local MII regs */
 	return(fsl_pq_local_mdio_write(regs, mii_id, regnum, value));
@@ -121,7 +126,7 @@ int fsl_pq_mdio_write(struct mii_bus *bus, int mii_id, int regnum, u16 value)
  */
 int fsl_pq_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
 {
-	struct fsl_pq_mdio __iomem *regs = (void __iomem *)bus->priv;
+	struct fsl_pq_mdio __iomem *regs = fsl_pq_mdio_get_regs(bus);
 
 	/* Read the local MII regs */
 	return(fsl_pq_local_mdio_read(regs, mii_id, regnum));
@@ -130,7 +135,7 @@ int fsl_pq_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
 /* Reset the MIIM registers, and wait for the bus to free */
 static int fsl_pq_mdio_reset(struct mii_bus *bus)
 {
-	struct fsl_pq_mdio __iomem *regs = (void __iomem *)bus->priv;
+	struct fsl_pq_mdio __iomem *regs = fsl_pq_mdio_get_regs(bus);
 	int timeout = PHY_INIT_TIMEOUT;
 
 	mutex_lock(&bus->mdio_lock);
@@ -404,7 +409,7 @@ static int fsl_pq_mdio_remove(struct of_device *ofdev)
 
 	dev_set_drvdata(device, NULL);
 
-	iounmap((void __iomem *)bus->priv);
+	iounmap(fsl_pq_mdio_get_regs(bus));
 	bus->priv = NULL;
 	mdiobus_free(bus);
 
-- 
GitLab


From 18294ad1ecccffe6a91f6914dc1f4acd8995736a Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Wed, 4 Nov 2009 12:53:00 +0000
Subject: [PATCH 1030/1815] gianfar: Fix compiler and sparse warnings

commit fba4ed030cfae7efdb6b79a57b0c5a9d72c9de83 ("gianfar: Add Multiple
Queue Support") introduced the following warnings:

  CHECK   gianfar.c
gianfar.c:333:8: warning: incorrect type in assignment (different address spaces)
gianfar.c:333:8:    expected unsigned int [usertype] *baddr
gianfar.c:333:8:    got unsigned int [noderef] <asn:2>*<noident>
[... 67 lines skipped ...]
gianfar.c:2565:3: warning: incorrect type in argument 1 (different type sizes)
gianfar.c:2565:3:    expected unsigned long const *addr
gianfar.c:2565:3:    got unsigned int *<noident>
  CC      gianfar.o
gianfar.c: In function 'gfar_probe':
gianfar.c:985: warning: passing argument 1 of 'find_next_bit' from incompatible pointer type
gianfar.c:985: warning: passing argument 1 of 'find_next_bit' from incompatible pointer type
gianfar.c:993: warning: passing argument 1 of 'find_next_bit' from incompatible pointer type
gianfar.c:993: warning: passing argument 1 of 'find_next_bit' from incompatible pointer type
gianfar.c: In function 'gfar_configure_coalescing':
gianfar.c:1680: warning: passing argument 1 of 'find_next_bit' from incompatible pointer type
gianfar.c:1680: warning: passing argument 1 of 'find_next_bit' from incompatible pointer type
gianfar.c:1688: warning: passing argument 1 of 'find_next_bit' from incompatible pointer type
gianfar.c:1688: warning: passing argument 1 of 'find_next_bit' from incompatible pointer type
gianfar.c: In function 'gfar_poll':
gianfar.c:2565: warning: passing argument 1 of 'find_next_bit' from incompatible pointer type
gianfar.c:2565: warning: passing argument 1 of 'find_next_bit' from incompatible pointer type
gianfar.c:2566: warning: passing argument 2 of 'test_bit' from incompatible pointer type
gianfar.c:2585: warning: passing argument 2 of 'set_bit' from incompatible pointer type

Following warnings left unfixed (looks like sparse doesn't like
locks in loops, so __acquires/__releases() doesn't help):

gianfar.c:441:40: warning: context imbalance in 'lock_rx_qs': wrong count at exit
gianfar.c:441:40:    context '<noident>': wanted 0, got 1
gianfar.c:449:40: warning: context imbalance in 'lock_tx_qs': wrong count at exit
gianfar.c:449:40:    context '<noident>': wanted 0, got 1
gianfar.c:458:3: warning: context imbalance in 'unlock_rx_qs': __context__ statement expected different context
gianfar.c:458:3:    context '<noident>': wanted >= 0, got -1
gianfar.c:466:3: warning: context imbalance in 'unlock_tx_qs': __context__ statement expected different context
gianfar.c:466:3:    context '<noident>': wanted >= 0, got -1

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/gianfar.c | 14 ++++++++------
 drivers/net/gianfar.h | 10 +++++-----
 2 files changed, 13 insertions(+), 11 deletions(-)

diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 086d40dd526..197b358e636 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -327,7 +327,7 @@ cleanup:
 static void gfar_init_tx_rx_base(struct gfar_private *priv)
 {
 	struct gfar __iomem *regs = priv->gfargrp[0].regs;
-	u32 *baddr;
+	u32 __iomem *baddr;
 	int i;
 
 	baddr = &regs->tbase0;
@@ -770,7 +770,8 @@ static unsigned int reverse_bitmap(unsigned int bit_map, unsigned int max_qs)
 	return new_bit_map;
 }
 
-u32 cluster_entry_per_class(struct gfar_private *priv, u32 rqfar, u32 class)
+static u32 cluster_entry_per_class(struct gfar_private *priv, u32 rqfar,
+				   u32 class)
 {
 	u32 rqfpr = FPR_FILER_MASK;
 	u32 rqfcr = 0x0;
@@ -849,7 +850,7 @@ static int gfar_probe(struct of_device *ofdev,
 	int len_devname;
 	u32 rstat = 0, tstat = 0, rqueue = 0, tqueue = 0;
 	u32 isrg = 0;
-	u32 *baddr;
+	u32 __iomem *baddr;
 
 	err = gfar_of_init(ofdev, &dev);
 
@@ -1658,10 +1659,10 @@ void gfar_start(struct net_device *dev)
 }
 
 void gfar_configure_coalescing(struct gfar_private *priv,
-	unsigned int tx_mask, unsigned int rx_mask)
+	unsigned long tx_mask, unsigned long rx_mask)
 {
 	struct gfar __iomem *regs = priv->gfargrp[0].regs;
-	u32 *baddr;
+	u32 __iomem *baddr;
 	int i = 0;
 
 	/* Backward compatible case ---- even if we enable
@@ -2546,7 +2547,8 @@ static int gfar_poll(struct napi_struct *napi, int budget)
 	struct gfar_priv_tx_q *tx_queue = NULL;
 	struct gfar_priv_rx_q *rx_queue = NULL;
 	int rx_cleaned = 0, budget_per_queue = 0, rx_cleaned_per_queue = 0;
-	int tx_cleaned = 0, i, left_over_budget = budget, serviced_queues = 0;
+	int tx_cleaned = 0, i, left_over_budget = budget;
+	unsigned long serviced_queues = 0;
 	int num_queues = 0;
 	unsigned long flags;
 
diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h
index 44b63daa7ff..cbb451011cb 100644
--- a/drivers/net/gianfar.h
+++ b/drivers/net/gianfar.h
@@ -986,10 +986,10 @@ struct gfar_priv_grp {
 	struct gfar_private *priv;
 	struct gfar __iomem *regs;
 	unsigned int grp_id;
-	unsigned int rx_bit_map;
-	unsigned int tx_bit_map;
-	unsigned int num_tx_queues;
-	unsigned int num_rx_queues;
+	unsigned long rx_bit_map;
+	unsigned long tx_bit_map;
+	unsigned long num_tx_queues;
+	unsigned long num_rx_queues;
 	unsigned int rstat;
 	unsigned int tstat;
 	unsigned int imask;
@@ -1118,7 +1118,7 @@ extern void gfar_halt(struct net_device *dev);
 extern void gfar_phy_test(struct mii_bus *bus, struct phy_device *phydev,
 		int enable, u32 regnum, u32 read);
 extern void gfar_configure_coalescing(struct gfar_private *priv,
-		unsigned int tx_mask, unsigned int rx_mask);
+		unsigned long tx_mask, unsigned long rx_mask);
 void gfar_init_sysfs(struct net_device *dev);
 
 extern const struct ethtool_ops gfar_ethtool_ops;
-- 
GitLab


From fd5c00276127661f12e0315e3bbec41a1c0be376 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 6 Nov 2009 07:01:17 +0000
Subject: [PATCH 1031/1815] ipv6: avoid dev_hold()/dev_put() in rawv6_bind()

Using RCU helps not touching device refcount in rawv6_bind()

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/raw.c | 23 +++++++++++------------
 1 file changed, 11 insertions(+), 12 deletions(-)

diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 818ef21ba76..926ce8eeffa 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -249,7 +249,7 @@ static int rawv6_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 
 	/* Raw sockets are IPv6 only */
 	if (addr_type == IPV6_ADDR_MAPPED)
-		return(-EADDRNOTAVAIL);
+		return -EADDRNOTAVAIL;
 
 	lock_sock(sk);
 
@@ -257,6 +257,7 @@ static int rawv6_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 	if (sk->sk_state != TCP_CLOSE)
 		goto out;
 
+	rcu_read_lock();
 	/* Check if the address belongs to the host. */
 	if (addr_type != IPV6_ADDR_ANY) {
 		struct net_device *dev = NULL;
@@ -272,13 +273,13 @@ static int rawv6_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 
 			/* Binding to link-local address requires an interface */
 			if (!sk->sk_bound_dev_if)
-				goto out;
+				goto out_unlock;
 
-			dev = dev_get_by_index(sock_net(sk), sk->sk_bound_dev_if);
-			if (!dev) {
-				err = -ENODEV;
-				goto out;
-			}
+			err = -ENODEV;
+			dev = dev_get_by_index_rcu(sock_net(sk),
+						   sk->sk_bound_dev_if);
+			if (!dev)
+				goto out_unlock;
 		}
 
 		/* ipv4 addr of the socket is invalid.  Only the
@@ -289,13 +290,9 @@ static int rawv6_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 			err = -EADDRNOTAVAIL;
 			if (!ipv6_chk_addr(sock_net(sk), &addr->sin6_addr,
 					   dev, 0)) {
-				if (dev)
-					dev_put(dev);
-				goto out;
+				goto out_unlock;
 			}
 		}
-		if (dev)
-			dev_put(dev);
 	}
 
 	inet->inet_rcv_saddr = inet->inet_saddr = v4addr;
@@ -303,6 +300,8 @@ static int rawv6_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 	if (!(addr_type & IPV6_ADDR_MULTICAST))
 		ipv6_addr_copy(&np->saddr, &addr->sin6_addr);
 	err = 0;
+out_unlock:
+	rcu_read_unlock();
 out:
 	release_sock(sk);
 	return err;
-- 
GitLab


From f7a3a1d8affe563846fc17f0e7c0cc1500190c57 Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Wed, 4 Nov 2009 10:26:13 +0000
Subject: [PATCH 1032/1815] appletalk/ddp.c: Neaten checksum function

atalk_sum_partial can now use the rol16 function in bitops.h

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/appletalk/ddp.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index 31fca64d17a..b631cc73454 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -922,13 +922,8 @@ static unsigned long atalk_sum_partial(const unsigned char *data,
 {
 	/* This ought to be unwrapped neatly. I'll trust gcc for now */
 	while (len--) {
-		sum += *data;
-		sum <<= 1;
-		if (sum & 0x10000) {
-			sum++;
-			sum &= 0xffff;
-		}
-		data++;
+		sum += *data++;
+		sum = rol16(sum, 1);
 	}
 	return sum;
 }
-- 
GitLab


From 81adee47dfb608df3ad0b91d230fb3cef75f0060 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@aristanetworks.com>
Date: Sun, 8 Nov 2009 00:53:51 -0800
Subject: [PATCH 1033/1815] net: Support specifying the network namespace upon
 device creation.

There is no good reason to not support userspace specifying the
network namespace during device creation, and it makes it easier
to create a network device and pass it to a child network namespace
with a well known name.

We have to be careful to ensure that the target network namespace
for the new device exists through the life of the call.  To keep
that logic clear I have factored out the network namespace grabbing
logic into rtnl_link_get_net.

In addtion we need to continue to pass the source network namespace
to the rtnl_link_ops.newlink method so that we can find the base
device source network namespace.

Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
---
 drivers/net/can/dev.c    |  2 +-
 drivers/net/macvlan.c    |  4 ++--
 drivers/net/veth.c       | 15 ++++++++++++---
 include/net/rtnetlink.h  |  8 +++++---
 net/8021q/vlan_netlink.c |  4 ++--
 net/core/rtnetlink.c     | 38 +++++++++++++++++++++++++++-----------
 net/ipv4/ip_gre.c        |  2 +-
 7 files changed, 50 insertions(+), 23 deletions(-)

diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index c3db111d2ff..5fe34d64ca2 100644
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -674,7 +674,7 @@ nla_put_failure:
 	return -EMSGSIZE;
 }
 
-static int can_newlink(struct net_device *dev,
+static int can_newlink(struct net *src_net, struct net_device *dev,
 		       struct nlattr *tb[], struct nlattr *data[])
 {
 	return -EOPNOTSUPP;
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 20b7707f38e..d7dba3f6f76 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -504,7 +504,7 @@ static int macvlan_get_tx_queues(struct net *net,
 	return 0;
 }
 
-static int macvlan_newlink(struct net_device *dev,
+static int macvlan_newlink(struct net *src_net, struct net_device *dev,
 			   struct nlattr *tb[], struct nlattr *data[])
 {
 	struct macvlan_dev *vlan = netdev_priv(dev);
@@ -515,7 +515,7 @@ static int macvlan_newlink(struct net_device *dev,
 	if (!tb[IFLA_LINK])
 		return -EINVAL;
 
-	lowerdev = __dev_get_by_index(dev_net(dev), nla_get_u32(tb[IFLA_LINK]));
+	lowerdev = __dev_get_by_index(src_net, nla_get_u32(tb[IFLA_LINK]));
 	if (lowerdev == NULL)
 		return -ENODEV;
 
diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index 9bed694cd21..2d657f2314c 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -340,7 +340,7 @@ static int veth_validate(struct nlattr *tb[], struct nlattr *data[])
 
 static struct rtnl_link_ops veth_link_ops;
 
-static int veth_newlink(struct net_device *dev,
+static int veth_newlink(struct net *src_net, struct net_device *dev,
 			 struct nlattr *tb[], struct nlattr *data[])
 {
 	int err;
@@ -348,6 +348,7 @@ static int veth_newlink(struct net_device *dev,
 	struct veth_priv *priv;
 	char ifname[IFNAMSIZ];
 	struct nlattr *peer_tb[IFLA_MAX + 1], **tbp;
+	struct net *net;
 
 	/*
 	 * create and register peer first
@@ -380,14 +381,22 @@ static int veth_newlink(struct net_device *dev,
 	else
 		snprintf(ifname, IFNAMSIZ, DRV_NAME "%%d");
 
-	peer = rtnl_create_link(dev_net(dev), ifname, &veth_link_ops, tbp);
-	if (IS_ERR(peer))
+	net = rtnl_link_get_net(src_net, tbp);
+	if (IS_ERR(net))
+		return PTR_ERR(net);
+
+	peer = rtnl_create_link(src_net, net, ifname, &veth_link_ops, tbp);
+	if (IS_ERR(peer)) {
+		put_net(net);
 		return PTR_ERR(peer);
+	}
 
 	if (tbp[IFLA_ADDRESS] == NULL)
 		random_ether_addr(peer->dev_addr);
 
 	err = register_netdevice(peer);
+	put_net(net);
+	net = NULL;
 	if (err < 0)
 		goto err_register_peer;
 
diff --git a/include/net/rtnetlink.h b/include/net/rtnetlink.h
index cd5af1f508f..48d3efcb088 100644
--- a/include/net/rtnetlink.h
+++ b/include/net/rtnetlink.h
@@ -55,7 +55,8 @@ struct rtnl_link_ops {
 	int			(*validate)(struct nlattr *tb[],
 					    struct nlattr *data[]);
 
-	int			(*newlink)(struct net_device *dev,
+	int			(*newlink)(struct net *src_net,
+					   struct net_device *dev,
 					   struct nlattr *tb[],
 					   struct nlattr *data[]);
 	int			(*changelink)(struct net_device *dev,
@@ -83,8 +84,9 @@ extern void	rtnl_kill_links(struct net *net, struct rtnl_link_ops *ops);
 extern int	rtnl_link_register(struct rtnl_link_ops *ops);
 extern void	rtnl_link_unregister(struct rtnl_link_ops *ops);
 
-extern struct net_device *rtnl_create_link(struct net *net, char *ifname,
-		const struct rtnl_link_ops *ops, struct nlattr *tb[]);
+extern struct net *rtnl_link_get_net(struct net *src_net, struct nlattr *tb[]);
+extern struct net_device *rtnl_create_link(struct net *src_net, struct net *net,
+	char *ifname, const struct rtnl_link_ops *ops, struct nlattr *tb[]);
 extern const struct nla_policy ifla_policy[IFLA_MAX+1];
 
 #define MODULE_ALIAS_RTNL_LINK(kind) MODULE_ALIAS("rtnl-link-" kind)
diff --git a/net/8021q/vlan_netlink.c b/net/8021q/vlan_netlink.c
index a9150485019..3c9cf6a8e7f 100644
--- a/net/8021q/vlan_netlink.c
+++ b/net/8021q/vlan_netlink.c
@@ -119,7 +119,7 @@ static int vlan_get_tx_queues(struct net *net,
 	return 0;
 }
 
-static int vlan_newlink(struct net_device *dev,
+static int vlan_newlink(struct net *src_net, struct net_device *dev,
 			struct nlattr *tb[], struct nlattr *data[])
 {
 	struct vlan_dev_info *vlan = vlan_dev_info(dev);
@@ -131,7 +131,7 @@ static int vlan_newlink(struct net_device *dev,
 
 	if (!tb[IFLA_LINK])
 		return -EINVAL;
-	real_dev = __dev_get_by_index(dev_net(dev), nla_get_u32(tb[IFLA_LINK]));
+	real_dev = __dev_get_by_index(src_net, nla_get_u32(tb[IFLA_LINK]));
 	if (!real_dev)
 		return -ENODEV;
 
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index e2f3317f290..33148a56819 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -733,6 +733,20 @@ static const struct nla_policy ifla_info_policy[IFLA_INFO_MAX+1] = {
 	[IFLA_INFO_DATA]	= { .type = NLA_NESTED },
 };
 
+struct net *rtnl_link_get_net(struct net *src_net, struct nlattr *tb[])
+{
+	struct net *net;
+	/* Examine the link attributes and figure out which
+	 * network namespace we are talking about.
+	 */
+	if (tb[IFLA_NET_NS_PID])
+		net = get_net_ns_by_pid(nla_get_u32(tb[IFLA_NET_NS_PID]));
+	else
+		net = get_net(src_net);
+	return net;
+}
+EXPORT_SYMBOL(rtnl_link_get_net);
+
 static int validate_linkmsg(struct net_device *dev, struct nlattr *tb[])
 {
 	if (dev) {
@@ -756,8 +770,7 @@ static int do_setlink(struct net_device *dev, struct ifinfomsg *ifm,
 	int err;
 
 	if (tb[IFLA_NET_NS_PID]) {
-		struct net *net;
-		net = get_net_ns_by_pid(nla_get_u32(tb[IFLA_NET_NS_PID]));
+		struct net *net = rtnl_link_get_net(dev_net(dev), tb);
 		if (IS_ERR(net)) {
 			err = PTR_ERR(net);
 			goto errout;
@@ -976,8 +989,8 @@ static int rtnl_dellink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
 	return 0;
 }
 
-struct net_device *rtnl_create_link(struct net *net, char *ifname,
-		const struct rtnl_link_ops *ops, struct nlattr *tb[])
+struct net_device *rtnl_create_link(struct net *src_net, struct net *net,
+	char *ifname, const struct rtnl_link_ops *ops, struct nlattr *tb[])
 {
 	int err;
 	struct net_device *dev;
@@ -985,7 +998,7 @@ struct net_device *rtnl_create_link(struct net *net, char *ifname,
 	unsigned int real_num_queues = 1;
 
 	if (ops->get_tx_queues) {
-		err = ops->get_tx_queues(net, tb, &num_queues,
+		err = ops->get_tx_queues(src_net, tb, &num_queues,
 					 &real_num_queues);
 		if (err)
 			goto err;
@@ -995,16 +1008,16 @@ struct net_device *rtnl_create_link(struct net *net, char *ifname,
 	if (!dev)
 		goto err;
 
+	dev_net_set(dev, net);
+	dev->rtnl_link_ops = ops;
 	dev->real_num_tx_queues = real_num_queues;
+
 	if (strchr(dev->name, '%')) {
 		err = dev_alloc_name(dev, dev->name);
 		if (err < 0)
 			goto err_free;
 	}
 
-	dev_net_set(dev, net);
-	dev->rtnl_link_ops = ops;
-
 	if (tb[IFLA_MTU])
 		dev->mtu = nla_get_u32(tb[IFLA_MTU]);
 	if (tb[IFLA_ADDRESS])
@@ -1083,6 +1096,7 @@ replay:
 
 	if (1) {
 		struct nlattr *attr[ops ? ops->maxtype + 1 : 0], **data = NULL;
+		struct net *dest_net;
 
 		if (ops) {
 			if (ops->maxtype && linkinfo[IFLA_INFO_DATA]) {
@@ -1147,17 +1161,19 @@ replay:
 		if (!ifname[0])
 			snprintf(ifname, IFNAMSIZ, "%s%%d", ops->kind);
 
-		dev = rtnl_create_link(net, ifname, ops, tb);
+		dest_net = rtnl_link_get_net(net, tb);
+		dev = rtnl_create_link(net, dest_net, ifname, ops, tb);
 
 		if (IS_ERR(dev))
 			err = PTR_ERR(dev);
 		else if (ops->newlink)
-			err = ops->newlink(dev, tb, data);
+			err = ops->newlink(net, dev, tb, data);
 		else
 			err = register_netdevice(dev);
-
 		if (err < 0 && !IS_ERR(dev))
 			free_netdev(dev);
+
+		put_net(dest_net);
 		return err;
 	}
 }
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 71a3242fb7d..a7de9e3a8f1 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -1483,7 +1483,7 @@ static void ipgre_tap_setup(struct net_device *dev)
 	dev->features		|= NETIF_F_NETNS_LOCAL;
 }
 
-static int ipgre_newlink(struct net_device *dev, struct nlattr *tb[],
+static int ipgre_newlink(struct net *src_net, struct net_device *dev, struct nlattr *tb[],
 			 struct nlattr *data[])
 {
 	struct ip_tunnel *nt;
-- 
GitLab


From e0000163e30eeb112b41486ea113fd54f64e1f17 Mon Sep 17 00:00:00 2001
From: Christian Pellegrin <chripell@fsfe.org>
Date: Mon, 2 Nov 2009 23:07:00 +0000
Subject: [PATCH 1034/1815] can: Driver for the Microchip MCP251x SPI CAN
 controllers

Signed-off-by: Christian Pellegrin <chripell@fsfe.org>
Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/can/Kconfig              |    6 +
 drivers/net/can/Makefile             |    1 +
 drivers/net/can/mcp251x.c            | 1164 ++++++++++++++++++++++++++
 include/linux/can/platform/mcp251x.h |   36 +
 4 files changed, 1207 insertions(+)
 create mode 100644 drivers/net/can/mcp251x.c
 create mode 100644 include/linux/can/platform/mcp251x.h

diff --git a/drivers/net/can/Kconfig b/drivers/net/can/Kconfig
index 26d77cc0ded..b819cc2a429 100644
--- a/drivers/net/can/Kconfig
+++ b/drivers/net/can/Kconfig
@@ -102,6 +102,12 @@ config CAN_TI_HECC
 	  Driver for TI HECC (High End CAN Controller) module found on many
 	  TI devices. The device specifications are available from www.ti.com
 
+config CAN_MCP251X
+	tristate "Microchip MCP251x SPI CAN controllers"
+	depends on CAN_DEV && SPI
+	---help---
+	  Driver for the Microchip MCP251x SPI CAN controllers.
+
 config CAN_DEBUG_DEVICES
 	bool "CAN devices debugging messages"
 	depends on CAN
diff --git a/drivers/net/can/Makefile b/drivers/net/can/Makefile
index 31f4ab5df28..14891817ea5 100644
--- a/drivers/net/can/Makefile
+++ b/drivers/net/can/Makefile
@@ -12,5 +12,6 @@ obj-y				+= usb/
 obj-$(CONFIG_CAN_SJA1000)	+= sja1000/
 obj-$(CONFIG_CAN_AT91)		+= at91_can.o
 obj-$(CONFIG_CAN_TI_HECC)	+= ti_hecc.o
+obj-$(CONFIG_CAN_MCP251X)	+= mcp251x.o
 
 ccflags-$(CONFIG_CAN_DEBUG_DEVICES) := -DDEBUG
diff --git a/drivers/net/can/mcp251x.c b/drivers/net/can/mcp251x.c
new file mode 100644
index 00000000000..8f48f4b50b7
--- /dev/null
+++ b/drivers/net/can/mcp251x.c
@@ -0,0 +1,1164 @@
+/*
+ * CAN bus driver for Microchip 251x CAN Controller with SPI Interface
+ *
+ * MCP2510 support and bug fixes by Christian Pellegrin
+ * <chripell@evolware.org>
+ *
+ * Copyright 2009 Christian Pellegrin EVOL S.r.l.
+ *
+ * Copyright 2007 Raymarine UK, Ltd. All Rights Reserved.
+ * Written under contract by:
+ *   Chris Elston, Katalix Systems, Ltd.
+ *
+ * Based on Microchip MCP251x CAN controller driver written by
+ * David Vrabel, Copyright 2006 Arcom Control Systems Ltd.
+ *
+ * Based on CAN bus driver for the CCAN controller written by
+ * - Sascha Hauer, Marc Kleine-Budde, Pengutronix
+ * - Simon Kallweit, intefo AG
+ * Copyright 2007
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the version 2 of the GNU General Public License
+ * as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ *
+ *
+ * Your platform definition file should specify something like:
+ *
+ * static struct mcp251x_platform_data mcp251x_info = {
+ *         .oscillator_frequency = 8000000,
+ *         .board_specific_setup = &mcp251x_setup,
+ *         .model = CAN_MCP251X_MCP2510,
+ *         .power_enable = mcp251x_power_enable,
+ *         .transceiver_enable = NULL,
+ * };
+ *
+ * static struct spi_board_info spi_board_info[] = {
+ *         {
+ *                 .modalias = "mcp251x",
+ *                 .platform_data = &mcp251x_info,
+ *                 .irq = IRQ_EINT13,
+ *                 .max_speed_hz = 2*1000*1000,
+ *                 .chip_select = 2,
+ *         },
+ * };
+ *
+ * Please see mcp251x.h for a description of the fields in
+ * struct mcp251x_platform_data.
+ *
+ */
+
+#include <linux/can.h>
+#include <linux/can/core.h>
+#include <linux/can/dev.h>
+#include <linux/can/platform/mcp251x.h>
+#include <linux/completion.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/dma-mapping.h>
+#include <linux/freezer.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/netdevice.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/uaccess.h>
+
+/* SPI interface instruction set */
+#define INSTRUCTION_WRITE	0x02
+#define INSTRUCTION_READ	0x03
+#define INSTRUCTION_BIT_MODIFY	0x05
+#define INSTRUCTION_LOAD_TXB(n)	(0x40 + 2 * (n))
+#define INSTRUCTION_READ_RXB(n)	(((n) == 0) ? 0x90 : 0x94)
+#define INSTRUCTION_RESET	0xC0
+
+/* MPC251x registers */
+#define CANSTAT	      0x0e
+#define CANCTRL	      0x0f
+#  define CANCTRL_REQOP_MASK	    0xe0
+#  define CANCTRL_REQOP_CONF	    0x80
+#  define CANCTRL_REQOP_LISTEN_ONLY 0x60
+#  define CANCTRL_REQOP_LOOPBACK    0x40
+#  define CANCTRL_REQOP_SLEEP	    0x20
+#  define CANCTRL_REQOP_NORMAL	    0x00
+#  define CANCTRL_OSM		    0x08
+#  define CANCTRL_ABAT		    0x10
+#define TEC	      0x1c
+#define REC	      0x1d
+#define CNF1	      0x2a
+#  define CNF1_SJW_SHIFT   6
+#define CNF2	      0x29
+#  define CNF2_BTLMODE	   0x80
+#  define CNF2_SAM         0x40
+#  define CNF2_PS1_SHIFT   3
+#define CNF3	      0x28
+#  define CNF3_SOF	   0x08
+#  define CNF3_WAKFIL	   0x04
+#  define CNF3_PHSEG2_MASK 0x07
+#define CANINTE	      0x2b
+#  define CANINTE_MERRE 0x80
+#  define CANINTE_WAKIE 0x40
+#  define CANINTE_ERRIE 0x20
+#  define CANINTE_TX2IE 0x10
+#  define CANINTE_TX1IE 0x08
+#  define CANINTE_TX0IE 0x04
+#  define CANINTE_RX1IE 0x02
+#  define CANINTE_RX0IE 0x01
+#define CANINTF	      0x2c
+#  define CANINTF_MERRF 0x80
+#  define CANINTF_WAKIF 0x40
+#  define CANINTF_ERRIF 0x20
+#  define CANINTF_TX2IF 0x10
+#  define CANINTF_TX1IF 0x08
+#  define CANINTF_TX0IF 0x04
+#  define CANINTF_RX1IF 0x02
+#  define CANINTF_RX0IF 0x01
+#define EFLG	      0x2d
+#  define EFLG_EWARN	0x01
+#  define EFLG_RXWAR	0x02
+#  define EFLG_TXWAR	0x04
+#  define EFLG_RXEP	0x08
+#  define EFLG_TXEP	0x10
+#  define EFLG_TXBO	0x20
+#  define EFLG_RX0OVR	0x40
+#  define EFLG_RX1OVR	0x80
+#define TXBCTRL(n)  (((n) * 0x10) + 0x30 + TXBCTRL_OFF)
+#  define TXBCTRL_ABTF	0x40
+#  define TXBCTRL_MLOA	0x20
+#  define TXBCTRL_TXERR 0x10
+#  define TXBCTRL_TXREQ 0x08
+#define TXBSIDH(n)  (((n) * 0x10) + 0x30 + TXBSIDH_OFF)
+#  define SIDH_SHIFT    3
+#define TXBSIDL(n)  (((n) * 0x10) + 0x30 + TXBSIDL_OFF)
+#  define SIDL_SID_MASK    7
+#  define SIDL_SID_SHIFT   5
+#  define SIDL_EXIDE_SHIFT 3
+#  define SIDL_EID_SHIFT   16
+#  define SIDL_EID_MASK    3
+#define TXBEID8(n)  (((n) * 0x10) + 0x30 + TXBEID8_OFF)
+#define TXBEID0(n)  (((n) * 0x10) + 0x30 + TXBEID0_OFF)
+#define TXBDLC(n)   (((n) * 0x10) + 0x30 + TXBDLC_OFF)
+#  define DLC_RTR_SHIFT    6
+#define TXBCTRL_OFF 0
+#define TXBSIDH_OFF 1
+#define TXBSIDL_OFF 2
+#define TXBEID8_OFF 3
+#define TXBEID0_OFF 4
+#define TXBDLC_OFF  5
+#define TXBDAT_OFF  6
+#define RXBCTRL(n)  (((n) * 0x10) + 0x60 + RXBCTRL_OFF)
+#  define RXBCTRL_BUKT	0x04
+#  define RXBCTRL_RXM0	0x20
+#  define RXBCTRL_RXM1	0x40
+#define RXBSIDH(n)  (((n) * 0x10) + 0x60 + RXBSIDH_OFF)
+#  define RXBSIDH_SHIFT 3
+#define RXBSIDL(n)  (((n) * 0x10) + 0x60 + RXBSIDL_OFF)
+#  define RXBSIDL_IDE   0x08
+#  define RXBSIDL_EID   3
+#  define RXBSIDL_SHIFT 5
+#define RXBEID8(n)  (((n) * 0x10) + 0x60 + RXBEID8_OFF)
+#define RXBEID0(n)  (((n) * 0x10) + 0x60 + RXBEID0_OFF)
+#define RXBDLC(n)   (((n) * 0x10) + 0x60 + RXBDLC_OFF)
+#  define RXBDLC_LEN_MASK  0x0f
+#  define RXBDLC_RTR       0x40
+#define RXBCTRL_OFF 0
+#define RXBSIDH_OFF 1
+#define RXBSIDL_OFF 2
+#define RXBEID8_OFF 3
+#define RXBEID0_OFF 4
+#define RXBDLC_OFF  5
+#define RXBDAT_OFF  6
+
+#define GET_BYTE(val, byte)			\
+	(((val) >> ((byte) * 8)) & 0xff)
+#define SET_BYTE(val, byte)			\
+	(((val) & 0xff) << ((byte) * 8))
+
+/*
+ * Buffer size required for the largest SPI transfer (i.e., reading a
+ * frame)
+ */
+#define CAN_FRAME_MAX_DATA_LEN	8
+#define SPI_TRANSFER_BUF_LEN	(6 + CAN_FRAME_MAX_DATA_LEN)
+#define CAN_FRAME_MAX_BITS	128
+
+#define TX_ECHO_SKB_MAX	1
+
+#define DEVICE_NAME "mcp251x"
+
+static int mcp251x_enable_dma; /* Enable SPI DMA. Default: 0 (Off) */
+module_param(mcp251x_enable_dma, int, S_IRUGO);
+MODULE_PARM_DESC(mcp251x_enable_dma, "Enable SPI DMA. Default: 0 (Off)");
+
+static struct can_bittiming_const mcp251x_bittiming_const = {
+	.name = DEVICE_NAME,
+	.tseg1_min = 3,
+	.tseg1_max = 16,
+	.tseg2_min = 2,
+	.tseg2_max = 8,
+	.sjw_max = 4,
+	.brp_min = 1,
+	.brp_max = 64,
+	.brp_inc = 1,
+};
+
+struct mcp251x_priv {
+	struct can_priv	   can;
+	struct net_device *net;
+	struct spi_device *spi;
+
+	struct mutex spi_lock; /* SPI buffer lock */
+	u8 *spi_tx_buf;
+	u8 *spi_rx_buf;
+	dma_addr_t spi_tx_dma;
+	dma_addr_t spi_rx_dma;
+
+	struct sk_buff *tx_skb;
+	int tx_len;
+	struct workqueue_struct *wq;
+	struct work_struct tx_work;
+	struct work_struct irq_work;
+	struct completion awake;
+	int wake;
+	int force_quit;
+	int after_suspend;
+#define AFTER_SUSPEND_UP 1
+#define AFTER_SUSPEND_DOWN 2
+#define AFTER_SUSPEND_POWER 4
+#define AFTER_SUSPEND_RESTART 8
+	int restart_tx;
+};
+
+static void mcp251x_clean(struct net_device *net)
+{
+	struct mcp251x_priv *priv = netdev_priv(net);
+
+	net->stats.tx_errors++;
+	if (priv->tx_skb)
+		dev_kfree_skb(priv->tx_skb);
+	if (priv->tx_len)
+		can_free_echo_skb(priv->net, 0);
+	priv->tx_skb = NULL;
+	priv->tx_len = 0;
+}
+
+/*
+ * Note about handling of error return of mcp251x_spi_trans: accessing
+ * registers via SPI is not really different conceptually than using
+ * normal I/O assembler instructions, although it's much more
+ * complicated from a practical POV. So it's not advisable to always
+ * check the return value of this function. Imagine that every
+ * read{b,l}, write{b,l} and friends would be bracketed in "if ( < 0)
+ * error();", it would be a great mess (well there are some situation
+ * when exception handling C++ like could be useful after all). So we
+ * just check that transfers are OK at the beginning of our
+ * conversation with the chip and to avoid doing really nasty things
+ * (like injecting bogus packets in the network stack).
+ */
+static int mcp251x_spi_trans(struct spi_device *spi, int len)
+{
+	struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev);
+	struct spi_transfer t = {
+		.tx_buf = priv->spi_tx_buf,
+		.rx_buf = priv->spi_rx_buf,
+		.len = len,
+		.cs_change = 0,
+	};
+	struct spi_message m;
+	int ret;
+
+	spi_message_init(&m);
+
+	if (mcp251x_enable_dma) {
+		t.tx_dma = priv->spi_tx_dma;
+		t.rx_dma = priv->spi_rx_dma;
+		m.is_dma_mapped = 1;
+	}
+
+	spi_message_add_tail(&t, &m);
+
+	ret = spi_sync(spi, &m);
+	if (ret)
+		dev_err(&spi->dev, "spi transfer failed: ret = %d\n", ret);
+	return ret;
+}
+
+static u8 mcp251x_read_reg(struct spi_device *spi, uint8_t reg)
+{
+	struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev);
+	u8 val = 0;
+
+	mutex_lock(&priv->spi_lock);
+
+	priv->spi_tx_buf[0] = INSTRUCTION_READ;
+	priv->spi_tx_buf[1] = reg;
+
+	mcp251x_spi_trans(spi, 3);
+	val = priv->spi_rx_buf[2];
+
+	mutex_unlock(&priv->spi_lock);
+
+	return val;
+}
+
+static void mcp251x_write_reg(struct spi_device *spi, u8 reg, uint8_t val)
+{
+	struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev);
+
+	mutex_lock(&priv->spi_lock);
+
+	priv->spi_tx_buf[0] = INSTRUCTION_WRITE;
+	priv->spi_tx_buf[1] = reg;
+	priv->spi_tx_buf[2] = val;
+
+	mcp251x_spi_trans(spi, 3);
+
+	mutex_unlock(&priv->spi_lock);
+}
+
+static void mcp251x_write_bits(struct spi_device *spi, u8 reg,
+			       u8 mask, uint8_t val)
+{
+	struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev);
+
+	mutex_lock(&priv->spi_lock);
+
+	priv->spi_tx_buf[0] = INSTRUCTION_BIT_MODIFY;
+	priv->spi_tx_buf[1] = reg;
+	priv->spi_tx_buf[2] = mask;
+	priv->spi_tx_buf[3] = val;
+
+	mcp251x_spi_trans(spi, 4);
+
+	mutex_unlock(&priv->spi_lock);
+}
+
+static void mcp251x_hw_tx_frame(struct spi_device *spi, u8 *buf,
+				int len, int tx_buf_idx)
+{
+	struct mcp251x_platform_data *pdata = spi->dev.platform_data;
+	struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev);
+
+	if (pdata->model == CAN_MCP251X_MCP2510) {
+		int i;
+
+		for (i = 1; i < TXBDAT_OFF + len; i++)
+			mcp251x_write_reg(spi, TXBCTRL(tx_buf_idx) + i,
+					  buf[i]);
+	} else {
+		mutex_lock(&priv->spi_lock);
+		memcpy(priv->spi_tx_buf, buf, TXBDAT_OFF + len);
+		mcp251x_spi_trans(spi, TXBDAT_OFF + len);
+		mutex_unlock(&priv->spi_lock);
+	}
+}
+
+static void mcp251x_hw_tx(struct spi_device *spi, struct can_frame *frame,
+			  int tx_buf_idx)
+{
+	u32 sid, eid, exide, rtr;
+	u8 buf[SPI_TRANSFER_BUF_LEN];
+
+	exide = (frame->can_id & CAN_EFF_FLAG) ? 1 : 0; /* Extended ID Enable */
+	if (exide)
+		sid = (frame->can_id & CAN_EFF_MASK) >> 18;
+	else
+		sid = frame->can_id & CAN_SFF_MASK; /* Standard ID */
+	eid = frame->can_id & CAN_EFF_MASK; /* Extended ID */
+	rtr = (frame->can_id & CAN_RTR_FLAG) ? 1 : 0; /* Remote transmission */
+
+	buf[TXBCTRL_OFF] = INSTRUCTION_LOAD_TXB(tx_buf_idx);
+	buf[TXBSIDH_OFF] = sid >> SIDH_SHIFT;
+	buf[TXBSIDL_OFF] = ((sid & SIDL_SID_MASK) << SIDL_SID_SHIFT) |
+		(exide << SIDL_EXIDE_SHIFT) |
+		((eid >> SIDL_EID_SHIFT) & SIDL_EID_MASK);
+	buf[TXBEID8_OFF] = GET_BYTE(eid, 1);
+	buf[TXBEID0_OFF] = GET_BYTE(eid, 0);
+	buf[TXBDLC_OFF] = (rtr << DLC_RTR_SHIFT) | frame->can_dlc;
+	memcpy(buf + TXBDAT_OFF, frame->data, frame->can_dlc);
+	mcp251x_hw_tx_frame(spi, buf, frame->can_dlc, tx_buf_idx);
+	mcp251x_write_reg(spi, TXBCTRL(tx_buf_idx), TXBCTRL_TXREQ);
+}
+
+static void mcp251x_hw_rx_frame(struct spi_device *spi, u8 *buf,
+				int buf_idx)
+{
+	struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev);
+	struct mcp251x_platform_data *pdata = spi->dev.platform_data;
+
+	if (pdata->model == CAN_MCP251X_MCP2510) {
+		int i, len;
+
+		for (i = 1; i < RXBDAT_OFF; i++)
+			buf[i] = mcp251x_read_reg(spi, RXBCTRL(buf_idx) + i);
+		len = buf[RXBDLC_OFF] & RXBDLC_LEN_MASK;
+		if (len > 8)
+			len = 8;
+		for (; i < (RXBDAT_OFF + len); i++)
+			buf[i] = mcp251x_read_reg(spi, RXBCTRL(buf_idx) + i);
+	} else {
+		mutex_lock(&priv->spi_lock);
+
+		priv->spi_tx_buf[RXBCTRL_OFF] = INSTRUCTION_READ_RXB(buf_idx);
+		mcp251x_spi_trans(spi, SPI_TRANSFER_BUF_LEN);
+		memcpy(buf, priv->spi_rx_buf, SPI_TRANSFER_BUF_LEN);
+
+		mutex_unlock(&priv->spi_lock);
+	}
+}
+
+static void mcp251x_hw_rx(struct spi_device *spi, int buf_idx)
+{
+	struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev);
+	struct sk_buff *skb;
+	struct can_frame *frame;
+	u8 buf[SPI_TRANSFER_BUF_LEN];
+
+	skb = alloc_can_skb(priv->net, &frame);
+	if (!skb) {
+		dev_err(&spi->dev, "cannot allocate RX skb\n");
+		priv->net->stats.rx_dropped++;
+		return;
+	}
+
+	mcp251x_hw_rx_frame(spi, buf, buf_idx);
+	if (buf[RXBSIDL_OFF] & RXBSIDL_IDE) {
+		/* Extended ID format */
+		frame->can_id = CAN_EFF_FLAG;
+		frame->can_id |=
+			/* Extended ID part */
+			SET_BYTE(buf[RXBSIDL_OFF] & RXBSIDL_EID, 2) |
+			SET_BYTE(buf[RXBEID8_OFF], 1) |
+			SET_BYTE(buf[RXBEID0_OFF], 0) |
+			/* Standard ID part */
+			(((buf[RXBSIDH_OFF] << RXBSIDH_SHIFT) |
+			  (buf[RXBSIDL_OFF] >> RXBSIDL_SHIFT)) << 18);
+		/* Remote transmission request */
+		if (buf[RXBDLC_OFF] & RXBDLC_RTR)
+			frame->can_id |= CAN_RTR_FLAG;
+	} else {
+		/* Standard ID format */
+		frame->can_id =
+			(buf[RXBSIDH_OFF] << RXBSIDH_SHIFT) |
+			(buf[RXBSIDL_OFF] >> RXBSIDL_SHIFT);
+	}
+	/* Data length */
+	frame->can_dlc = buf[RXBDLC_OFF] & RXBDLC_LEN_MASK;
+	if (frame->can_dlc > 8) {
+		dev_warn(&spi->dev, "invalid frame recevied\n");
+		priv->net->stats.rx_errors++;
+		dev_kfree_skb(skb);
+		return;
+	}
+	memcpy(frame->data, buf + RXBDAT_OFF, frame->can_dlc);
+
+	priv->net->stats.rx_packets++;
+	priv->net->stats.rx_bytes += frame->can_dlc;
+	netif_rx(skb);
+}
+
+static void mcp251x_hw_sleep(struct spi_device *spi)
+{
+	mcp251x_write_reg(spi, CANCTRL, CANCTRL_REQOP_SLEEP);
+}
+
+static void mcp251x_hw_wakeup(struct spi_device *spi)
+{
+	struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev);
+
+	priv->wake = 1;
+
+	/* Can only wake up by generating a wake-up interrupt. */
+	mcp251x_write_bits(spi, CANINTE, CANINTE_WAKIE, CANINTE_WAKIE);
+	mcp251x_write_bits(spi, CANINTF, CANINTF_WAKIF, CANINTF_WAKIF);
+
+	/* Wait until the device is awake */
+	if (!wait_for_completion_timeout(&priv->awake, HZ))
+		dev_err(&spi->dev, "MCP251x didn't wake-up\n");
+}
+
+static netdev_tx_t mcp251x_hard_start_xmit(struct sk_buff *skb,
+					   struct net_device *net)
+{
+	struct mcp251x_priv *priv = netdev_priv(net);
+	struct spi_device *spi = priv->spi;
+
+	if (priv->tx_skb || priv->tx_len) {
+		dev_warn(&spi->dev, "hard_xmit called while tx busy\n");
+		netif_stop_queue(net);
+		return NETDEV_TX_BUSY;
+	}
+
+	if (skb->len != sizeof(struct can_frame)) {
+		dev_err(&spi->dev, "dropping packet - bad length\n");
+		dev_kfree_skb(skb);
+		net->stats.tx_dropped++;
+		return NETDEV_TX_OK;
+	}
+
+	netif_stop_queue(net);
+	priv->tx_skb = skb;
+	net->trans_start = jiffies;
+	queue_work(priv->wq, &priv->tx_work);
+
+	return NETDEV_TX_OK;
+}
+
+static int mcp251x_do_set_mode(struct net_device *net, enum can_mode mode)
+{
+	struct mcp251x_priv *priv = netdev_priv(net);
+
+	switch (mode) {
+	case CAN_MODE_START:
+		/* We have to delay work since SPI I/O may sleep */
+		priv->can.state = CAN_STATE_ERROR_ACTIVE;
+		priv->restart_tx = 1;
+		if (priv->can.restart_ms == 0)
+			priv->after_suspend = AFTER_SUSPEND_RESTART;
+		queue_work(priv->wq, &priv->irq_work);
+		break;
+	default:
+		return -EOPNOTSUPP;
+	}
+
+	return 0;
+}
+
+static void mcp251x_set_normal_mode(struct spi_device *spi)
+{
+	struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev);
+	unsigned long timeout;
+
+	/* Enable interrupts */
+	mcp251x_write_reg(spi, CANINTE,
+			  CANINTE_ERRIE | CANINTE_TX2IE | CANINTE_TX1IE |
+			  CANINTE_TX0IE | CANINTE_RX1IE | CANINTE_RX0IE |
+			  CANINTF_MERRF);
+
+	if (priv->can.ctrlmode & CAN_CTRLMODE_LOOPBACK) {
+		/* Put device into loopback mode */
+		mcp251x_write_reg(spi, CANCTRL, CANCTRL_REQOP_LOOPBACK);
+	} else {
+		/* Put device into normal mode */
+		mcp251x_write_reg(spi, CANCTRL, CANCTRL_REQOP_NORMAL);
+
+		/* Wait for the device to enter normal mode */
+		timeout = jiffies + HZ;
+		while (mcp251x_read_reg(spi, CANSTAT) & CANCTRL_REQOP_MASK) {
+			schedule();
+			if (time_after(jiffies, timeout)) {
+				dev_err(&spi->dev, "MCP251x didn't"
+					" enter in normal mode\n");
+				return;
+			}
+		}
+	}
+	priv->can.state = CAN_STATE_ERROR_ACTIVE;
+}
+
+static int mcp251x_do_set_bittiming(struct net_device *net)
+{
+	struct mcp251x_priv *priv = netdev_priv(net);
+	struct can_bittiming *bt = &priv->can.bittiming;
+	struct spi_device *spi = priv->spi;
+
+	mcp251x_write_reg(spi, CNF1, ((bt->sjw - 1) << CNF1_SJW_SHIFT) |
+			  (bt->brp - 1));
+	mcp251x_write_reg(spi, CNF2, CNF2_BTLMODE |
+			  (priv->can.ctrlmode & CAN_CTRLMODE_3_SAMPLES ?
+			   CNF2_SAM : 0) |
+			  ((bt->phase_seg1 - 1) << CNF2_PS1_SHIFT) |
+			  (bt->prop_seg - 1));
+	mcp251x_write_bits(spi, CNF3, CNF3_PHSEG2_MASK,
+			   (bt->phase_seg2 - 1));
+	dev_info(&spi->dev, "CNF: 0x%02x 0x%02x 0x%02x\n",
+		 mcp251x_read_reg(spi, CNF1),
+		 mcp251x_read_reg(spi, CNF2),
+		 mcp251x_read_reg(spi, CNF3));
+
+	return 0;
+}
+
+static int mcp251x_setup(struct net_device *net, struct mcp251x_priv *priv,
+			 struct spi_device *spi)
+{
+	int ret;
+
+	ret = open_candev(net);
+	if (ret) {
+		dev_err(&spi->dev, "unable to set initial baudrate!\n");
+		return ret;
+	}
+
+	/* Enable RX0->RX1 buffer roll over and disable filters */
+	mcp251x_write_bits(spi, RXBCTRL(0),
+			   RXBCTRL_BUKT | RXBCTRL_RXM0 | RXBCTRL_RXM1,
+			   RXBCTRL_BUKT | RXBCTRL_RXM0 | RXBCTRL_RXM1);
+	mcp251x_write_bits(spi, RXBCTRL(1),
+			   RXBCTRL_RXM0 | RXBCTRL_RXM1,
+			   RXBCTRL_RXM0 | RXBCTRL_RXM1);
+	return 0;
+}
+
+static void mcp251x_hw_reset(struct spi_device *spi)
+{
+	struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev);
+	int ret;
+
+	mutex_lock(&priv->spi_lock);
+
+	priv->spi_tx_buf[0] = INSTRUCTION_RESET;
+
+	ret = spi_write(spi, priv->spi_tx_buf, 1);
+
+	mutex_unlock(&priv->spi_lock);
+
+	if (ret)
+		dev_err(&spi->dev, "reset failed: ret = %d\n", ret);
+	/* Wait for reset to finish */
+	mdelay(10);
+}
+
+static int mcp251x_hw_probe(struct spi_device *spi)
+{
+	int st1, st2;
+
+	mcp251x_hw_reset(spi);
+
+	/*
+	 * Please note that these are "magic values" based on after
+	 * reset defaults taken from data sheet which allows us to see
+	 * if we really have a chip on the bus (we avoid common all
+	 * zeroes or all ones situations)
+	 */
+	st1 = mcp251x_read_reg(spi, CANSTAT) & 0xEE;
+	st2 = mcp251x_read_reg(spi, CANCTRL) & 0x17;
+
+	dev_dbg(&spi->dev, "CANSTAT 0x%02x CANCTRL 0x%02x\n", st1, st2);
+
+	/* Check for power up default values */
+	return (st1 == 0x80 && st2 == 0x07) ? 1 : 0;
+}
+
+static irqreturn_t mcp251x_can_isr(int irq, void *dev_id)
+{
+	struct net_device *net = (struct net_device *)dev_id;
+	struct mcp251x_priv *priv = netdev_priv(net);
+
+	/* Schedule bottom half */
+	if (!work_pending(&priv->irq_work))
+		queue_work(priv->wq, &priv->irq_work);
+
+	return IRQ_HANDLED;
+}
+
+static int mcp251x_open(struct net_device *net)
+{
+	struct mcp251x_priv *priv = netdev_priv(net);
+	struct spi_device *spi = priv->spi;
+	struct mcp251x_platform_data *pdata = spi->dev.platform_data;
+	int ret;
+
+	if (pdata->transceiver_enable)
+		pdata->transceiver_enable(1);
+
+	priv->force_quit = 0;
+	priv->tx_skb = NULL;
+	priv->tx_len = 0;
+
+	ret = request_irq(spi->irq, mcp251x_can_isr,
+			  IRQF_TRIGGER_FALLING, DEVICE_NAME, net);
+	if (ret) {
+		dev_err(&spi->dev, "failed to acquire irq %d\n", spi->irq);
+		if (pdata->transceiver_enable)
+			pdata->transceiver_enable(0);
+		return ret;
+	}
+
+	mcp251x_hw_wakeup(spi);
+	mcp251x_hw_reset(spi);
+	ret = mcp251x_setup(net, priv, spi);
+	if (ret) {
+		free_irq(spi->irq, net);
+		if (pdata->transceiver_enable)
+			pdata->transceiver_enable(0);
+		return ret;
+	}
+	mcp251x_set_normal_mode(spi);
+	netif_wake_queue(net);
+
+	return 0;
+}
+
+static int mcp251x_stop(struct net_device *net)
+{
+	struct mcp251x_priv *priv = netdev_priv(net);
+	struct spi_device *spi = priv->spi;
+	struct mcp251x_platform_data *pdata = spi->dev.platform_data;
+
+	close_candev(net);
+
+	/* Disable and clear pending interrupts */
+	mcp251x_write_reg(spi, CANINTE, 0x00);
+	mcp251x_write_reg(spi, CANINTF, 0x00);
+
+	priv->force_quit = 1;
+	free_irq(spi->irq, net);
+	flush_workqueue(priv->wq);
+
+	mcp251x_write_reg(spi, TXBCTRL(0), 0);
+	if (priv->tx_skb || priv->tx_len)
+		mcp251x_clean(net);
+
+	mcp251x_hw_sleep(spi);
+
+	if (pdata->transceiver_enable)
+		pdata->transceiver_enable(0);
+
+	priv->can.state = CAN_STATE_STOPPED;
+
+	return 0;
+}
+
+static void mcp251x_tx_work_handler(struct work_struct *ws)
+{
+	struct mcp251x_priv *priv = container_of(ws, struct mcp251x_priv,
+						 tx_work);
+	struct spi_device *spi = priv->spi;
+	struct net_device *net = priv->net;
+	struct can_frame *frame;
+
+	if (priv->tx_skb) {
+		frame = (struct can_frame *)priv->tx_skb->data;
+
+		if (priv->can.state == CAN_STATE_BUS_OFF) {
+			mcp251x_clean(net);
+			netif_wake_queue(net);
+			return;
+		}
+		if (frame->can_dlc > CAN_FRAME_MAX_DATA_LEN)
+			frame->can_dlc = CAN_FRAME_MAX_DATA_LEN;
+		mcp251x_hw_tx(spi, frame, 0);
+		priv->tx_len = 1 + frame->can_dlc;
+		can_put_echo_skb(priv->tx_skb, net, 0);
+		priv->tx_skb = NULL;
+	}
+}
+
+static void mcp251x_irq_work_handler(struct work_struct *ws)
+{
+	struct mcp251x_priv *priv = container_of(ws, struct mcp251x_priv,
+						 irq_work);
+	struct spi_device *spi = priv->spi;
+	struct net_device *net = priv->net;
+	u8 txbnctrl;
+	u8 intf;
+	enum can_state new_state;
+
+	if (priv->after_suspend) {
+		mdelay(10);
+		mcp251x_hw_reset(spi);
+		mcp251x_setup(net, priv, spi);
+		if (priv->after_suspend & AFTER_SUSPEND_RESTART) {
+			mcp251x_set_normal_mode(spi);
+		} else if (priv->after_suspend & AFTER_SUSPEND_UP) {
+			netif_device_attach(net);
+			/* Clean since we lost tx buffer */
+			if (priv->tx_skb || priv->tx_len) {
+				mcp251x_clean(net);
+				netif_wake_queue(net);
+			}
+			mcp251x_set_normal_mode(spi);
+		} else {
+			mcp251x_hw_sleep(spi);
+		}
+		priv->after_suspend = 0;
+	}
+
+	if (priv->can.restart_ms == 0 && priv->can.state == CAN_STATE_BUS_OFF)
+		return;
+
+	while (!priv->force_quit && !freezing(current)) {
+		u8 eflag = mcp251x_read_reg(spi, EFLG);
+		int can_id = 0, data1 = 0;
+
+		mcp251x_write_reg(spi, EFLG, 0x00);
+
+		if (priv->restart_tx) {
+			priv->restart_tx = 0;
+			mcp251x_write_reg(spi, TXBCTRL(0), 0);
+			if (priv->tx_skb || priv->tx_len)
+				mcp251x_clean(net);
+			netif_wake_queue(net);
+			can_id |= CAN_ERR_RESTARTED;
+		}
+
+		if (priv->wake) {
+			/* Wait whilst the device wakes up */
+			mdelay(10);
+			priv->wake = 0;
+		}
+
+		intf = mcp251x_read_reg(spi, CANINTF);
+		mcp251x_write_bits(spi, CANINTF, intf, 0x00);
+
+		/* Update can state */
+		if (eflag & EFLG_TXBO) {
+			new_state = CAN_STATE_BUS_OFF;
+			can_id |= CAN_ERR_BUSOFF;
+		} else if (eflag & EFLG_TXEP) {
+			new_state = CAN_STATE_ERROR_PASSIVE;
+			can_id |= CAN_ERR_CRTL;
+			data1 |= CAN_ERR_CRTL_TX_PASSIVE;
+		} else if (eflag & EFLG_RXEP) {
+			new_state = CAN_STATE_ERROR_PASSIVE;
+			can_id |= CAN_ERR_CRTL;
+			data1 |= CAN_ERR_CRTL_RX_PASSIVE;
+		} else if (eflag & EFLG_TXWAR) {
+			new_state = CAN_STATE_ERROR_WARNING;
+			can_id |= CAN_ERR_CRTL;
+			data1 |= CAN_ERR_CRTL_TX_WARNING;
+		} else if (eflag & EFLG_RXWAR) {
+			new_state = CAN_STATE_ERROR_WARNING;
+			can_id |= CAN_ERR_CRTL;
+			data1 |= CAN_ERR_CRTL_RX_WARNING;
+		} else {
+			new_state = CAN_STATE_ERROR_ACTIVE;
+		}
+
+		/* Update can state statistics */
+		switch (priv->can.state) {
+		case CAN_STATE_ERROR_ACTIVE:
+			if (new_state >= CAN_STATE_ERROR_WARNING &&
+			    new_state <= CAN_STATE_BUS_OFF)
+				priv->can.can_stats.error_warning++;
+		case CAN_STATE_ERROR_WARNING:	/* fallthrough */
+			if (new_state >= CAN_STATE_ERROR_PASSIVE &&
+			    new_state <= CAN_STATE_BUS_OFF)
+				priv->can.can_stats.error_passive++;
+			break;
+		default:
+			break;
+		}
+		priv->can.state = new_state;
+
+		if ((intf & CANINTF_ERRIF) || (can_id & CAN_ERR_RESTARTED)) {
+			struct sk_buff *skb;
+			struct can_frame *frame;
+
+			/* Create error frame */
+			skb = alloc_can_err_skb(net, &frame);
+			if (skb) {
+				/* Set error frame flags based on bus state */
+				frame->can_id = can_id;
+				frame->data[1] = data1;
+
+				/* Update net stats for overflows */
+				if (eflag & (EFLG_RX0OVR | EFLG_RX1OVR)) {
+					if (eflag & EFLG_RX0OVR)
+						net->stats.rx_over_errors++;
+					if (eflag & EFLG_RX1OVR)
+						net->stats.rx_over_errors++;
+					frame->can_id |= CAN_ERR_CRTL;
+					frame->data[1] |=
+						CAN_ERR_CRTL_RX_OVERFLOW;
+				}
+
+				netif_rx(skb);
+			} else {
+				dev_info(&spi->dev,
+					 "cannot allocate error skb\n");
+			}
+		}
+
+		if (priv->can.state == CAN_STATE_BUS_OFF) {
+			if (priv->can.restart_ms == 0) {
+				can_bus_off(net);
+				mcp251x_hw_sleep(spi);
+				return;
+			}
+		}
+
+		if (intf == 0)
+			break;
+
+		if (intf & CANINTF_WAKIF)
+			complete(&priv->awake);
+
+		if (intf & CANINTF_MERRF) {
+			/* If there are pending Tx buffers, restart queue */
+			txbnctrl = mcp251x_read_reg(spi, TXBCTRL(0));
+			if (!(txbnctrl & TXBCTRL_TXREQ)) {
+				if (priv->tx_skb || priv->tx_len)
+					mcp251x_clean(net);
+				netif_wake_queue(net);
+			}
+		}
+
+		if (intf & (CANINTF_TX2IF | CANINTF_TX1IF | CANINTF_TX0IF)) {
+			net->stats.tx_packets++;
+			net->stats.tx_bytes += priv->tx_len - 1;
+			if (priv->tx_len) {
+				can_get_echo_skb(net, 0);
+				priv->tx_len = 0;
+			}
+			netif_wake_queue(net);
+		}
+
+		if (intf & CANINTF_RX0IF)
+			mcp251x_hw_rx(spi, 0);
+
+		if (intf & CANINTF_RX1IF)
+			mcp251x_hw_rx(spi, 1);
+	}
+}
+
+static const struct net_device_ops mcp251x_netdev_ops = {
+	.ndo_open = mcp251x_open,
+	.ndo_stop = mcp251x_stop,
+	.ndo_start_xmit = mcp251x_hard_start_xmit,
+};
+
+static int __devinit mcp251x_can_probe(struct spi_device *spi)
+{
+	struct net_device *net;
+	struct mcp251x_priv *priv;
+	struct mcp251x_platform_data *pdata = spi->dev.platform_data;
+	int ret = -ENODEV;
+
+	if (!pdata)
+		/* Platform data is required for osc freq */
+		goto error_out;
+
+	/* Allocate can/net device */
+	net = alloc_candev(sizeof(struct mcp251x_priv), TX_ECHO_SKB_MAX);
+	if (!net) {
+		ret = -ENOMEM;
+		goto error_alloc;
+	}
+
+	net->netdev_ops = &mcp251x_netdev_ops;
+	net->flags |= IFF_ECHO;
+
+	priv = netdev_priv(net);
+	priv->can.bittiming_const = &mcp251x_bittiming_const;
+	priv->can.do_set_mode = mcp251x_do_set_mode;
+	priv->can.clock.freq = pdata->oscillator_frequency / 2;
+	priv->can.do_set_bittiming = mcp251x_do_set_bittiming;
+	priv->net = net;
+	dev_set_drvdata(&spi->dev, priv);
+
+	priv->spi = spi;
+	mutex_init(&priv->spi_lock);
+
+	/* If requested, allocate DMA buffers */
+	if (mcp251x_enable_dma) {
+		spi->dev.coherent_dma_mask = ~0;
+
+		/*
+		 * Minimum coherent DMA allocation is PAGE_SIZE, so allocate
+		 * that much and share it between Tx and Rx DMA buffers.
+		 */
+		priv->spi_tx_buf = dma_alloc_coherent(&spi->dev,
+						      PAGE_SIZE,
+						      &priv->spi_tx_dma,
+						      GFP_DMA);
+
+		if (priv->spi_tx_buf) {
+			priv->spi_rx_buf = (u8 *)(priv->spi_tx_buf +
+						  (PAGE_SIZE / 2));
+			priv->spi_rx_dma = (dma_addr_t)(priv->spi_tx_dma +
+							(PAGE_SIZE / 2));
+		} else {
+			/* Fall back to non-DMA */
+			mcp251x_enable_dma = 0;
+		}
+	}
+
+	/* Allocate non-DMA buffers */
+	if (!mcp251x_enable_dma) {
+		priv->spi_tx_buf = kmalloc(SPI_TRANSFER_BUF_LEN, GFP_KERNEL);
+		if (!priv->spi_tx_buf) {
+			ret = -ENOMEM;
+			goto error_tx_buf;
+		}
+		priv->spi_rx_buf = kmalloc(SPI_TRANSFER_BUF_LEN, GFP_KERNEL);
+		if (!priv->spi_tx_buf) {
+			ret = -ENOMEM;
+			goto error_rx_buf;
+		}
+	}
+
+	if (pdata->power_enable)
+		pdata->power_enable(1);
+
+	/* Call out to platform specific setup */
+	if (pdata->board_specific_setup)
+		pdata->board_specific_setup(spi);
+
+	SET_NETDEV_DEV(net, &spi->dev);
+
+	priv->wq = create_freezeable_workqueue("mcp251x_wq");
+
+	INIT_WORK(&priv->tx_work, mcp251x_tx_work_handler);
+	INIT_WORK(&priv->irq_work, mcp251x_irq_work_handler);
+
+	init_completion(&priv->awake);
+
+	/* Configure the SPI bus */
+	spi->mode = SPI_MODE_0;
+	spi->bits_per_word = 8;
+	spi_setup(spi);
+
+	if (!mcp251x_hw_probe(spi)) {
+		dev_info(&spi->dev, "Probe failed\n");
+		goto error_probe;
+	}
+	mcp251x_hw_sleep(spi);
+
+	if (pdata->transceiver_enable)
+		pdata->transceiver_enable(0);
+
+	ret = register_candev(net);
+	if (!ret) {
+		dev_info(&spi->dev, "probed\n");
+		return ret;
+	}
+error_probe:
+	if (!mcp251x_enable_dma)
+		kfree(priv->spi_rx_buf);
+error_rx_buf:
+	if (!mcp251x_enable_dma)
+		kfree(priv->spi_tx_buf);
+error_tx_buf:
+	free_candev(net);
+	if (mcp251x_enable_dma)
+		dma_free_coherent(&spi->dev, PAGE_SIZE,
+				  priv->spi_tx_buf, priv->spi_tx_dma);
+error_alloc:
+	if (pdata->power_enable)
+		pdata->power_enable(0);
+	dev_err(&spi->dev, "probe failed\n");
+error_out:
+	return ret;
+}
+
+static int __devexit mcp251x_can_remove(struct spi_device *spi)
+{
+	struct mcp251x_platform_data *pdata = spi->dev.platform_data;
+	struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev);
+	struct net_device *net = priv->net;
+
+	unregister_candev(net);
+	free_candev(net);
+
+	priv->force_quit = 1;
+	flush_workqueue(priv->wq);
+	destroy_workqueue(priv->wq);
+
+	if (mcp251x_enable_dma) {
+		dma_free_coherent(&spi->dev, PAGE_SIZE,
+				  priv->spi_tx_buf, priv->spi_tx_dma);
+	} else {
+		kfree(priv->spi_tx_buf);
+		kfree(priv->spi_rx_buf);
+	}
+
+	if (pdata->power_enable)
+		pdata->power_enable(0);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int mcp251x_can_suspend(struct spi_device *spi, pm_message_t state)
+{
+	struct mcp251x_platform_data *pdata = spi->dev.platform_data;
+	struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev);
+	struct net_device *net = priv->net;
+
+	if (netif_running(net)) {
+		netif_device_detach(net);
+
+		mcp251x_hw_sleep(spi);
+		if (pdata->transceiver_enable)
+			pdata->transceiver_enable(0);
+		priv->after_suspend = AFTER_SUSPEND_UP;
+	} else {
+		priv->after_suspend = AFTER_SUSPEND_DOWN;
+	}
+
+	if (pdata->power_enable) {
+		pdata->power_enable(0);
+		priv->after_suspend |= AFTER_SUSPEND_POWER;
+	}
+
+	return 0;
+}
+
+static int mcp251x_can_resume(struct spi_device *spi)
+{
+	struct mcp251x_platform_data *pdata = spi->dev.platform_data;
+	struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev);
+
+	if (priv->after_suspend & AFTER_SUSPEND_POWER) {
+		pdata->power_enable(1);
+		queue_work(priv->wq, &priv->irq_work);
+	} else {
+		if (priv->after_suspend & AFTER_SUSPEND_UP) {
+			if (pdata->transceiver_enable)
+				pdata->transceiver_enable(1);
+			queue_work(priv->wq, &priv->irq_work);
+		} else {
+			priv->after_suspend = 0;
+		}
+	}
+	return 0;
+}
+#else
+#define mcp251x_can_suspend NULL
+#define mcp251x_can_resume NULL
+#endif
+
+static struct spi_driver mcp251x_can_driver = {
+	.driver = {
+		.name = DEVICE_NAME,
+		.bus = &spi_bus_type,
+		.owner = THIS_MODULE,
+	},
+
+	.probe = mcp251x_can_probe,
+	.remove = __devexit_p(mcp251x_can_remove),
+	.suspend = mcp251x_can_suspend,
+	.resume = mcp251x_can_resume,
+};
+
+static int __init mcp251x_can_init(void)
+{
+	return spi_register_driver(&mcp251x_can_driver);
+}
+
+static void __exit mcp251x_can_exit(void)
+{
+	spi_unregister_driver(&mcp251x_can_driver);
+}
+
+module_init(mcp251x_can_init);
+module_exit(mcp251x_can_exit);
+
+MODULE_AUTHOR("Chris Elston <celston@katalix.com>, "
+	      "Christian Pellegrin <chripell@evolware.org>");
+MODULE_DESCRIPTION("Microchip 251x CAN driver");
+MODULE_LICENSE("GPL v2");
diff --git a/include/linux/can/platform/mcp251x.h b/include/linux/can/platform/mcp251x.h
new file mode 100644
index 00000000000..1448177d86d
--- /dev/null
+++ b/include/linux/can/platform/mcp251x.h
@@ -0,0 +1,36 @@
+#ifndef __CAN_PLATFORM_MCP251X_H__
+#define __CAN_PLATFORM_MCP251X_H__
+
+/*
+ *
+ * CAN bus driver for Microchip 251x CAN Controller with SPI Interface
+ *
+ */
+
+#include <linux/spi/spi.h>
+
+/**
+ * struct mcp251x_platform_data - MCP251X SPI CAN controller platform data
+ * @oscillator_frequency:       - oscillator frequency in Hz
+ * @model:                      - actual type of chip
+ * @board_specific_setup:       - called before probing the chip (power,reset)
+ * @transceiver_enable:         - called to power on/off the transceiver
+ * @power_enable:               - called to power on/off the mcp *and* the
+ *                                transceiver
+ *
+ * Please note that you should define power_enable or transceiver_enable or
+ * none of them. Defining both of them is no use.
+ *
+ */
+
+struct mcp251x_platform_data {
+	unsigned long oscillator_frequency;
+	int model;
+#define CAN_MCP251X_MCP2510 0
+#define CAN_MCP251X_MCP2515 1
+	int (*board_specific_setup)(struct spi_device *spi);
+	int (*transceiver_enable)(int enable);
+	int (*power_enable) (int enable);
+};
+
+#endif /* __CAN_PLATFORM_MCP251X_H__ */
-- 
GitLab


From 415ce61aef5e9b2ed2516a13888c733bea15aedf Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Sun, 8 Nov 2009 20:41:03 -0800
Subject: [PATCH 1035/1815] net/appletalk: using compat_ptr needs inclusion of
 linux/compat.h

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/appletalk/ddp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index b631cc73454..73ca4d52492 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -56,6 +56,7 @@
 #include <linux/if_arp.h>
 #include <linux/smp_lock.h>
 #include <linux/termios.h>	/* For TIOCOUTQ/INQ */
+#include <linux/compat.h>
 #include <net/datalink.h>
 #include <net/psnap.h>
 #include <net/sock.h>
-- 
GitLab


From fdcc8aa953a1123a289791dd192090651036d593 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Sun, 8 Nov 2009 10:17:05 +0000
Subject: [PATCH 1036/1815] udp: add a counter into udp_hslot

Adds a counter in udp_hslot to keep an accurate count
of sockets present in chain.

This will permit to upcoming UDP lookup algo to chose
the shortest chain when secondary hash is added.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/udp.h | 8 ++++++++
 net/ipv4/udp.c    | 3 +++
 2 files changed, 11 insertions(+)

diff --git a/include/net/udp.h b/include/net/udp.h
index 22aa2e7eb1d..9167281e47d 100644
--- a/include/net/udp.h
+++ b/include/net/udp.h
@@ -50,8 +50,16 @@ struct udp_skb_cb {
 };
 #define UDP_SKB_CB(__skb)	((struct udp_skb_cb *)((__skb)->cb))
 
+/**
+ *	struct udp_hslot - UDP hash slot
+ *
+ *	@head:	head of list of sockets
+ *	@count:	number of sockets in 'head' list
+ *	@lock:	spinlock protecting changes to head/count
+ */
 struct udp_hslot {
 	struct hlist_nulls_head	head;
+	int			count;
 	spinlock_t		lock;
 } __attribute__((aligned(2 * sizeof(long))));
 
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index d5e75e97651..ffc837643a0 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -218,6 +218,7 @@ found:
 	sk->sk_hash = snum;
 	if (sk_unhashed(sk)) {
 		sk_nulls_add_node_rcu(sk, &hslot->head);
+		hslot->count++;
 		sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
 	}
 	error = 0;
@@ -1053,6 +1054,7 @@ void udp_lib_unhash(struct sock *sk)
 
 		spin_lock_bh(&hslot->lock);
 		if (sk_nulls_del_node_init_rcu(sk)) {
+			hslot->count--;
 			inet_sk(sk)->inet_num = 0;
 			sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1);
 		}
@@ -1862,6 +1864,7 @@ void __init udp_table_init(struct udp_table *table, const char *name)
 	}
 	for (i = 0; i <= table->mask; i++) {
 		INIT_HLIST_NULLS_HEAD(&table->hash[i].head, i);
+		table->hash[i].count = 0;
 		spin_lock_init(&table->hash[i].lock);
 	}
 }
-- 
GitLab


From d4cada4ae1c012815f95fa507eb86a0ae9d607d7 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Sun, 8 Nov 2009 10:17:30 +0000
Subject: [PATCH 1037/1815] udp: split sk_hash into two u16 hashes

Union sk_hash with two u16 hashes for udp (no extra memory taken)

One 16 bits hash on (local port) value (the previous udp 'hash')

One 16 bits hash on (local address, local port) values, initialized
but not yet used. This second hash is using jenkin hash for better
distribution.

Because the 'port' is xored later, a partial hash is performed
on local address + net_hash_mix(net)

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/udp.h |  2 ++
 include/net/sock.h  |  6 +++++-
 net/ipv4/udp.c      | 25 +++++++++++++++++++------
 net/ipv6/udp.c      | 27 +++++++++++++++++++++++++--
 4 files changed, 51 insertions(+), 9 deletions(-)

diff --git a/include/linux/udp.h b/include/linux/udp.h
index 832361e3e59..5b4b5274e68 100644
--- a/include/linux/udp.h
+++ b/include/linux/udp.h
@@ -55,6 +55,8 @@ static inline int udp_hashfn(struct net *net, unsigned num, unsigned mask)
 struct udp_sock {
 	/* inet_sock has to be the first member */
 	struct inet_sock inet;
+#define udp_port_hash		inet.sk.__sk_common.skc_u16hashes[0]
+#define udp_portaddr_hash	inet.sk.__sk_common.skc_u16hashes[1]
 	int		 pending;	/* Any pending frames ? */
 	unsigned int	 corkflag;	/* Cork is required */
   	__u16		 encap_type;	/* Is this an Encapsulation socket? */
diff --git a/include/net/sock.h b/include/net/sock.h
index 55de3bd719a..827366b6268 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -109,6 +109,7 @@ struct net;
  *	@skc_refcnt: reference count
  *	@skc_tx_queue_mapping: tx queue number for this connection
  *	@skc_hash: hash value used with various protocol lookup tables
+ *	@skc_u16hashes: two u16 hash values used by UDP lookup tables
  *	@skc_family: network address family
  *	@skc_state: Connection state
  *	@skc_reuse: %SO_REUSEADDR setting
@@ -131,7 +132,10 @@ struct sock_common {
 	atomic_t		skc_refcnt;
 	int			skc_tx_queue_mapping;
 
-	unsigned int		skc_hash;
+	union  {
+		unsigned int	skc_hash;
+		__u16		skc_u16hashes[2];
+	};
 	unsigned short		skc_family;
 	volatile unsigned char	skc_state;
 	unsigned char		skc_reuse;
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index ffc837643a0..af72de1c869 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -138,13 +138,14 @@ static int udp_lib_lport_inuse(struct net *net, __u16 num,
 	sk_nulls_for_each(sk2, node, &hslot->head)
 		if (net_eq(sock_net(sk2), net)			&&
 		    sk2 != sk					&&
-		    (bitmap || sk2->sk_hash == num)		&&
+		    (bitmap || udp_sk(sk2)->udp_port_hash == num) &&
 		    (!sk2->sk_reuse || !sk->sk_reuse)		&&
 		    (!sk2->sk_bound_dev_if || !sk->sk_bound_dev_if
 			|| sk2->sk_bound_dev_if == sk->sk_bound_dev_if) &&
 		    (*saddr_comp)(sk, sk2)) {
 			if (bitmap)
-				__set_bit(sk2->sk_hash >> log, bitmap);
+				__set_bit(udp_sk(sk2)->udp_port_hash >> log,
+					  bitmap);
 			else
 				return 1;
 		}
@@ -215,7 +216,8 @@ int udp_lib_get_port(struct sock *sk, unsigned short snum,
 	}
 found:
 	inet_sk(sk)->inet_num = snum;
-	sk->sk_hash = snum;
+	udp_sk(sk)->udp_port_hash = snum;
+	udp_sk(sk)->udp_portaddr_hash ^= snum;
 	if (sk_unhashed(sk)) {
 		sk_nulls_add_node_rcu(sk, &hslot->head);
 		hslot->count++;
@@ -238,8 +240,19 @@ static int ipv4_rcv_saddr_equal(const struct sock *sk1, const struct sock *sk2)
 		   inet1->inet_rcv_saddr == inet2->inet_rcv_saddr));
 }
 
+static unsigned int udp4_portaddr_hash(struct net *net, __be32 saddr,
+				       unsigned int port)
+{
+	return jhash_1word(saddr, net_hash_mix(net)) ^ port;
+}
+
 int udp_v4_get_port(struct sock *sk, unsigned short snum)
 {
+	/* precompute partial secondary hash */
+	udp_sk(sk)->udp_portaddr_hash =
+		udp4_portaddr_hash(sock_net(sk),
+				   inet_sk(sk)->inet_rcv_saddr,
+				   0);
 	return udp_lib_get_port(sk, snum, ipv4_rcv_saddr_equal);
 }
 
@@ -249,7 +262,7 @@ static inline int compute_score(struct sock *sk, struct net *net, __be32 saddr,
 {
 	int score = -1;
 
-	if (net_eq(sock_net(sk), net) && sk->sk_hash == hnum &&
+	if (net_eq(sock_net(sk), net) && udp_sk(sk)->udp_port_hash == hnum &&
 			!ipv6_only_sock(sk)) {
 		struct inet_sock *inet = inet_sk(sk);
 
@@ -360,7 +373,7 @@ static inline struct sock *udp_v4_mcast_next(struct net *net, struct sock *sk,
 		struct inet_sock *inet = inet_sk(s);
 
 		if (!net_eq(sock_net(s), net)				||
-		    s->sk_hash != hnum					||
+		    udp_sk(s)->udp_port_hash != hnum			||
 		    (inet->inet_daddr && inet->inet_daddr != rmt_addr)	||
 		    (inet->inet_dport != rmt_port && inet->inet_dport)	||
 		    (inet->inet_rcv_saddr	&&
@@ -1050,7 +1063,7 @@ void udp_lib_unhash(struct sock *sk)
 	if (sk_hashed(sk)) {
 		struct udp_table *udptable = sk->sk_prot->h.udp_table;
 		struct udp_hslot *hslot = udp_hashslot(udptable, sock_net(sk),
-						     sk->sk_hash);
+						       udp_sk(sk)->udp_port_hash);
 
 		spin_lock_bh(&hslot->lock);
 		if (sk_nulls_del_node_init_rcu(sk)) {
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 5bc7cdbf030..1e5fadd997b 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -81,8 +81,30 @@ int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2)
 	return 0;
 }
 
+static unsigned int udp6_portaddr_hash(struct net *net,
+				       const struct in6_addr *addr6,
+				       unsigned int port)
+{
+	unsigned int hash, mix = net_hash_mix(net);
+
+	if (ipv6_addr_any(addr6))
+		hash = jhash_1word(0, mix);
+	else if (ipv6_addr_type(addr6) == IPV6_ADDR_MAPPED)
+		hash = jhash_1word(addr6->s6_addr32[3], mix);
+	else
+		hash = jhash2(addr6->s6_addr32, 4, mix);
+
+	return hash ^ port;
+}
+
+
 int udp_v6_get_port(struct sock *sk, unsigned short snum)
 {
+	/* precompute partial secondary hash */
+	udp_sk(sk)->udp_portaddr_hash =
+		udp6_portaddr_hash(sock_net(sk),
+				   &inet6_sk(sk)->rcv_saddr,
+				   0);
 	return udp_lib_get_port(sk, snum, ipv6_rcv_saddr_equal);
 }
 
@@ -94,7 +116,7 @@ static inline int compute_score(struct sock *sk, struct net *net,
 {
 	int score = -1;
 
-	if (net_eq(sock_net(sk), net) && sk->sk_hash == hnum &&
+	if (net_eq(sock_net(sk), net) && udp_sk(sk)->udp_port_hash == hnum &&
 			sk->sk_family == PF_INET6) {
 		struct ipv6_pinfo *np = inet6_sk(sk);
 		struct inet_sock *inet = inet_sk(sk);
@@ -415,7 +437,8 @@ static struct sock *udp_v6_mcast_next(struct net *net, struct sock *sk,
 		if (!net_eq(sock_net(s), net))
 			continue;
 
-		if (s->sk_hash == num && s->sk_family == PF_INET6) {
+		if (udp_sk(s)->udp_port_hash == num &&
+		    s->sk_family == PF_INET6) {
 			struct ipv6_pinfo *np = inet6_sk(s);
 			if (inet->inet_dport) {
 				if (inet->inet_dport != rmt_port)
-- 
GitLab


From 512615b6b843ff3ff5ad583f34c39b3f302f5f26 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Sun, 8 Nov 2009 10:17:58 +0000
Subject: [PATCH 1038/1815] udp: secondary hash on (local port, local address)

Extends udp_table to contain a secondary hash table.

socket anchor for this second hash is free, because UDP
doesnt use skc_bind_node : We define an union to hold
both skc_bind_node & a new hlist_nulls_node udp_portaddr_node

udp_lib_get_port() inserts sockets into second hash chain
(additional cost of one atomic op)

udp_lib_unhash() deletes socket from second hash chain
(additional cost of one atomic op)

Note : No spinlock lockdep annotation is needed, because
lock for the secondary hash chain is always get after
lock for primary hash chain.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/udp.h |  1 +
 include/net/sock.h  |  8 ++++++--
 include/net/udp.h   | 22 ++++++++++++++++++++--
 net/ipv4/udp.c      | 31 ++++++++++++++++++++++++++-----
 4 files changed, 53 insertions(+), 9 deletions(-)

diff --git a/include/linux/udp.h b/include/linux/udp.h
index 5b4b5274e68..59f0ddf2d28 100644
--- a/include/linux/udp.h
+++ b/include/linux/udp.h
@@ -57,6 +57,7 @@ struct udp_sock {
 	struct inet_sock inet;
 #define udp_port_hash		inet.sk.__sk_common.skc_u16hashes[0]
 #define udp_portaddr_hash	inet.sk.__sk_common.skc_u16hashes[1]
+#define udp_portaddr_node	inet.sk.__sk_common.skc_portaddr_node
 	int		 pending;	/* Any pending frames ? */
 	unsigned int	 corkflag;	/* Cork is required */
   	__u16		 encap_type;	/* Is this an Encapsulation socket? */
diff --git a/include/net/sock.h b/include/net/sock.h
index 827366b6268..3f1a4804bb3 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -105,7 +105,7 @@ struct net;
 /**
  *	struct sock_common - minimal network layer representation of sockets
  *	@skc_node: main hash linkage for various protocol lookup tables
- *	@skc_nulls_node: main hash linkage for UDP/UDP-Lite protocol
+ *	@skc_nulls_node: main hash linkage for TCP/UDP/UDP-Lite protocol
  *	@skc_refcnt: reference count
  *	@skc_tx_queue_mapping: tx queue number for this connection
  *	@skc_hash: hash value used with various protocol lookup tables
@@ -115,6 +115,7 @@ struct net;
  *	@skc_reuse: %SO_REUSEADDR setting
  *	@skc_bound_dev_if: bound device index if != 0
  *	@skc_bind_node: bind hash linkage for various protocol lookup tables
+ *	@skc_portaddr_node: second hash linkage for UDP/UDP-Lite protocol
  *	@skc_prot: protocol handlers inside a network family
  *	@skc_net: reference to the network namespace of this socket
  *
@@ -140,7 +141,10 @@ struct sock_common {
 	volatile unsigned char	skc_state;
 	unsigned char		skc_reuse;
 	int			skc_bound_dev_if;
-	struct hlist_node	skc_bind_node;
+	union {
+		struct hlist_node	skc_bind_node;
+		struct hlist_nulls_node skc_portaddr_node;
+	};
 	struct proto		*skc_prot;
 #ifdef CONFIG_NET_NS
 	struct net	 	*skc_net;
diff --git a/include/net/udp.h b/include/net/udp.h
index 9167281e47d..af41850f742 100644
--- a/include/net/udp.h
+++ b/include/net/udp.h
@@ -63,10 +63,19 @@ struct udp_hslot {
 	spinlock_t		lock;
 } __attribute__((aligned(2 * sizeof(long))));
 
+/**
+ *	struct udp_table - UDP table
+ *
+ *	@hash:	hash table, sockets are hashed on (local port)
+ *	@hash2:	hash table, sockets are hashed on (local port, local address)
+ *	@mask:	number of slots in hash tables, minus 1
+ *	@log:	log2(number of slots in hash table)
+ */
 struct udp_table {
 	struct udp_hslot	*hash;
-	unsigned int mask;
-	unsigned int log;
+	struct udp_hslot	*hash2;
+	unsigned int		mask;
+	unsigned int		log;
 };
 extern struct udp_table udp_table;
 extern void udp_table_init(struct udp_table *, const char *);
@@ -75,6 +84,15 @@ static inline struct udp_hslot *udp_hashslot(struct udp_table *table,
 {
 	return &table->hash[udp_hashfn(net, num, table->mask)];
 }
+/*
+ * For secondary hash, net_hash_mix() is performed before calling
+ * udp_hashslot2(), this explains difference with udp_hashslot()
+ */
+static inline struct udp_hslot *udp_hashslot2(struct udp_table *table,
+					      unsigned int hash)
+{
+	return &table->hash2[hash & table->mask];
+}
 
 /* Note: this must match 'valbool' in sock_setsockopt */
 #define UDP_CSUM_NOXMIT		1
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index af72de1c869..5f04216f35c 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -163,7 +163,7 @@ int udp_lib_get_port(struct sock *sk, unsigned short snum,
 		       int (*saddr_comp)(const struct sock *sk1,
 					 const struct sock *sk2))
 {
-	struct udp_hslot *hslot;
+	struct udp_hslot *hslot, *hslot2;
 	struct udp_table *udptable = sk->sk_prot->h.udp_table;
 	int    error = 1;
 	struct net *net = sock_net(sk);
@@ -222,6 +222,13 @@ found:
 		sk_nulls_add_node_rcu(sk, &hslot->head);
 		hslot->count++;
 		sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
+
+		hslot2 = udp_hashslot2(udptable, udp_sk(sk)->udp_portaddr_hash);
+		spin_lock(&hslot2->lock);
+		hlist_nulls_add_head_rcu(&udp_sk(sk)->udp_portaddr_node,
+					 &hslot2->head);
+		hslot2->count++;
+		spin_unlock(&hslot2->lock);
 	}
 	error = 0;
 fail_unlock:
@@ -1062,14 +1069,22 @@ void udp_lib_unhash(struct sock *sk)
 {
 	if (sk_hashed(sk)) {
 		struct udp_table *udptable = sk->sk_prot->h.udp_table;
-		struct udp_hslot *hslot = udp_hashslot(udptable, sock_net(sk),
-						       udp_sk(sk)->udp_port_hash);
+		struct udp_hslot *hslot, *hslot2;
+
+		hslot  = udp_hashslot(udptable, sock_net(sk),
+				      udp_sk(sk)->udp_port_hash);
+		hslot2 = udp_hashslot2(udptable, udp_sk(sk)->udp_portaddr_hash);
 
 		spin_lock_bh(&hslot->lock);
 		if (sk_nulls_del_node_init_rcu(sk)) {
 			hslot->count--;
 			inet_sk(sk)->inet_num = 0;
 			sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1);
+
+			spin_lock(&hslot2->lock);
+			hlist_nulls_del_init_rcu(&udp_sk(sk)->udp_portaddr_node);
+			hslot2->count--;
+			spin_unlock(&hslot2->lock);
 		}
 		spin_unlock_bh(&hslot->lock);
 	}
@@ -1857,7 +1872,7 @@ void __init udp_table_init(struct udp_table *table, const char *name)
 
 	if (!CONFIG_BASE_SMALL)
 		table->hash = alloc_large_system_hash(name,
-			sizeof(struct udp_hslot),
+			2 * sizeof(struct udp_hslot),
 			uhash_entries,
 			21, /* one slot per 2 MB */
 			0,
@@ -1869,17 +1884,23 @@ void __init udp_table_init(struct udp_table *table, const char *name)
 	 */
 	if (CONFIG_BASE_SMALL || table->mask < UDP_HTABLE_SIZE_MIN - 1) {
 		table->hash = kmalloc(UDP_HTABLE_SIZE_MIN *
-				      sizeof(struct udp_hslot), GFP_KERNEL);
+				      2 * sizeof(struct udp_hslot), GFP_KERNEL);
 		if (!table->hash)
 			panic(name);
 		table->log = ilog2(UDP_HTABLE_SIZE_MIN);
 		table->mask = UDP_HTABLE_SIZE_MIN - 1;
 	}
+	table->hash2 = table->hash + (table->mask + 1);
 	for (i = 0; i <= table->mask; i++) {
 		INIT_HLIST_NULLS_HEAD(&table->hash[i].head, i);
 		table->hash[i].count = 0;
 		spin_lock_init(&table->hash[i].lock);
 	}
+	for (i = 0; i <= table->mask; i++) {
+		INIT_HLIST_NULLS_HEAD(&table->hash2[i].head, i);
+		table->hash2[i].count = 0;
+		spin_lock_init(&table->hash2[i].lock);
+	}
 }
 
 void __init udp_init(void)
-- 
GitLab


From 5051ebd275de672b807c28d93002c2fb0514a3c9 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Sun, 8 Nov 2009 10:18:11 +0000
Subject: [PATCH 1039/1815] ipv4: udp: optimize unicast RX path

We first locate the (local port) hash chain head
If few sockets are in this chain, we proceed with previous lookup algo.

If too many sockets are listed, we take a look at the secondary
(port, address) hash chain we added in previous patch.

We choose the shortest chain and proceed with a RCU lookup on the elected chain.

But, if we chose (port, address) chain, and fail to find a socket on given address,
 we must try another lookup on (port, INADDR_ANY) chain to find socket not bound
to a particular IP.

-> No extra cost for typical setups, where the first lookup will probabbly
be performed.

RCU lookups everywhere, we dont acquire spinlock.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/udp.c | 115 +++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 112 insertions(+), 3 deletions(-)

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 5f04216f35c..dd7f3d20989 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -298,6 +298,91 @@ static inline int compute_score(struct sock *sk, struct net *net, __be32 saddr,
 	return score;
 }
 
+/*
+ * In this second variant, we check (daddr, dport) matches (inet_rcv_sadd, inet_num)
+ */
+#define SCORE2_MAX (1 + 2 + 2 + 2)
+static inline int compute_score2(struct sock *sk, struct net *net,
+				 __be32 saddr, __be16 sport,
+				 __be32 daddr, unsigned int hnum, int dif)
+{
+	int score = -1;
+
+	if (net_eq(sock_net(sk), net) && !ipv6_only_sock(sk)) {
+		struct inet_sock *inet = inet_sk(sk);
+
+		if (inet->inet_rcv_saddr != daddr)
+			return -1;
+		if (inet->inet_num != hnum)
+			return -1;
+
+		score = (sk->sk_family == PF_INET ? 1 : 0);
+		if (inet->inet_daddr) {
+			if (inet->inet_daddr != saddr)
+				return -1;
+			score += 2;
+		}
+		if (inet->inet_dport) {
+			if (inet->inet_dport != sport)
+				return -1;
+			score += 2;
+		}
+		if (sk->sk_bound_dev_if) {
+			if (sk->sk_bound_dev_if != dif)
+				return -1;
+			score += 2;
+		}
+	}
+	return score;
+}
+
+#define udp_portaddr_for_each_entry_rcu(__sk, node, list) \
+	hlist_nulls_for_each_entry_rcu(__sk, node, list, __sk_common.skc_portaddr_node)
+
+/* called with read_rcu_lock() */
+static struct sock *udp4_lib_lookup2(struct net *net,
+		__be32 saddr, __be16 sport,
+		__be32 daddr, unsigned int hnum, int dif,
+		struct udp_hslot *hslot2, unsigned int slot2)
+{
+	struct sock *sk, *result;
+	struct hlist_nulls_node *node;
+	int score, badness;
+
+begin:
+	result = NULL;
+	badness = -1;
+	udp_portaddr_for_each_entry_rcu(sk, node, &hslot2->head) {
+		score = compute_score2(sk, net, saddr, sport,
+				      daddr, hnum, dif);
+		if (score > badness) {
+			result = sk;
+			badness = score;
+			if (score == SCORE2_MAX)
+				goto exact_match;
+		}
+	}
+	/*
+	 * if the nulls value we got at the end of this lookup is
+	 * not the expected one, we must restart lookup.
+	 * We probably met an item that was moved to another chain.
+	 */
+	if (get_nulls_value(node) != slot2)
+		goto begin;
+
+	if (result) {
+exact_match:
+		if (unlikely(!atomic_inc_not_zero(&result->sk_refcnt)))
+			result = NULL;
+		else if (unlikely(compute_score2(result, net, saddr, sport,
+				  daddr, hnum, dif) < badness)) {
+			sock_put(result);
+			goto begin;
+		}
+	}
+	return result;
+}
+
 /* UDP is nearly always wildcards out the wazoo, it makes no sense to try
  * harder than this. -DaveM
  */
@@ -308,11 +393,35 @@ static struct sock *__udp4_lib_lookup(struct net *net, __be32 saddr,
 	struct sock *sk, *result;
 	struct hlist_nulls_node *node;
 	unsigned short hnum = ntohs(dport);
-	unsigned int hash = udp_hashfn(net, hnum, udptable->mask);
-	struct udp_hslot *hslot = &udptable->hash[hash];
+	unsigned int hash2, slot2, slot = udp_hashfn(net, hnum, udptable->mask);
+	struct udp_hslot *hslot2, *hslot = &udptable->hash[slot];
 	int score, badness;
 
 	rcu_read_lock();
+	if (hslot->count > 10) {
+		hash2 = udp4_portaddr_hash(net, daddr, hnum);
+		slot2 = hash2 & udptable->mask;
+		hslot2 = &udptable->hash2[slot2];
+		if (hslot->count < hslot2->count)
+			goto begin;
+
+		result = udp4_lib_lookup2(net, saddr, sport,
+					  daddr, hnum, dif,
+					  hslot2, slot2);
+		if (!result) {
+			hash2 = udp4_portaddr_hash(net, INADDR_ANY, hnum);
+			slot2 = hash2 & udptable->mask;
+			hslot2 = &udptable->hash2[slot2];
+			if (hslot->count < hslot2->count)
+				goto begin;
+
+			result = udp4_lib_lookup2(net, INADDR_ANY, sport,
+						  daddr, hnum, dif,
+						  hslot2, slot2);
+		}
+		rcu_read_unlock();
+		return result;
+	}
 begin:
 	result = NULL;
 	badness = -1;
@@ -329,7 +438,7 @@ begin:
 	 * not the expected one, we must restart lookup.
 	 * We probably met an item that was moved to another chain.
 	 */
-	if (get_nulls_value(node) != hash)
+	if (get_nulls_value(node) != slot)
 		goto begin;
 
 	if (result) {
-- 
GitLab


From fddc17defa22d8caba1cdfb2e22b50bb4b9f35c0 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Sun, 8 Nov 2009 10:18:30 +0000
Subject: [PATCH 1040/1815] ipv6: udp: optimize unicast RX path

We first locate the (local port) hash chain head
If few sockets are in this chain, we proceed with previous lookup algo.

If too many sockets are listed, we take a look at the secondary
(port, address) hash chain.

We choose the shortest chain and proceed with a RCU lookup on the elected chain.

But, if we chose (port, address) chain, and fail to find a socket on given address,
 we must try another lookup on (port, in6addr_any) chain to find sockets not bound
to a particular IP.

-> No extra cost for typical setups, where the first lookup will probabbly
be performed.

RCU lookups everywhere, we dont acquire spinlock.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/udp.c | 112 +++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 109 insertions(+), 3 deletions(-)

diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 1e5fadd997b..f580cf92511 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -146,6 +146,88 @@ static inline int compute_score(struct sock *sk, struct net *net,
 	return score;
 }
 
+#define SCORE2_MAX (1 + 1 + 1)
+static inline int compute_score2(struct sock *sk, struct net *net,
+				const struct in6_addr *saddr, __be16 sport,
+				const struct in6_addr *daddr, unsigned short hnum,
+				int dif)
+{
+	int score = -1;
+
+	if (net_eq(sock_net(sk), net) && udp_sk(sk)->udp_port_hash == hnum &&
+			sk->sk_family == PF_INET6) {
+		struct ipv6_pinfo *np = inet6_sk(sk);
+		struct inet_sock *inet = inet_sk(sk);
+
+		if (!ipv6_addr_equal(&np->rcv_saddr, daddr))
+			return -1;
+		score = 0;
+		if (inet->inet_dport) {
+			if (inet->inet_dport != sport)
+				return -1;
+			score++;
+		}
+		if (!ipv6_addr_any(&np->daddr)) {
+			if (!ipv6_addr_equal(&np->daddr, saddr))
+				return -1;
+			score++;
+		}
+		if (sk->sk_bound_dev_if) {
+			if (sk->sk_bound_dev_if != dif)
+				return -1;
+			score++;
+		}
+	}
+	return score;
+}
+
+#define udp_portaddr_for_each_entry_rcu(__sk, node, list) \
+	hlist_nulls_for_each_entry_rcu(__sk, node, list, __sk_common.skc_portaddr_node)
+
+/* called with read_rcu_lock() */
+static struct sock *udp6_lib_lookup2(struct net *net,
+		const struct in6_addr *saddr, __be16 sport,
+		const struct in6_addr *daddr, unsigned int hnum, int dif,
+		struct udp_hslot *hslot2, unsigned int slot2)
+{
+	struct sock *sk, *result;
+	struct hlist_nulls_node *node;
+	int score, badness;
+
+begin:
+	result = NULL;
+	badness = -1;
+	udp_portaddr_for_each_entry_rcu(sk, node, &hslot2->head) {
+		score = compute_score2(sk, net, saddr, sport,
+				      daddr, hnum, dif);
+		if (score > badness) {
+			result = sk;
+			badness = score;
+			if (score == SCORE2_MAX)
+				goto exact_match;
+		}
+	}
+	/*
+	 * if the nulls value we got at the end of this lookup is
+	 * not the expected one, we must restart lookup.
+	 * We probably met an item that was moved to another chain.
+	 */
+	if (get_nulls_value(node) != slot2)
+		goto begin;
+
+	if (result) {
+exact_match:
+		if (unlikely(!atomic_inc_not_zero(&result->sk_refcnt)))
+			result = NULL;
+		else if (unlikely(compute_score2(result, net, saddr, sport,
+				  daddr, hnum, dif) < badness)) {
+			sock_put(result);
+			goto begin;
+		}
+	}
+	return result;
+}
+
 static struct sock *__udp6_lib_lookup(struct net *net,
 				      struct in6_addr *saddr, __be16 sport,
 				      struct in6_addr *daddr, __be16 dport,
@@ -154,11 +236,35 @@ static struct sock *__udp6_lib_lookup(struct net *net,
 	struct sock *sk, *result;
 	struct hlist_nulls_node *node;
 	unsigned short hnum = ntohs(dport);
-	unsigned int hash = udp_hashfn(net, hnum, udptable->mask);
-	struct udp_hslot *hslot = &udptable->hash[hash];
+	unsigned int hash2, slot2, slot = udp_hashfn(net, hnum, udptable->mask);
+	struct udp_hslot *hslot2, *hslot = &udptable->hash[slot];
 	int score, badness;
 
 	rcu_read_lock();
+	if (hslot->count > 10) {
+		hash2 = udp6_portaddr_hash(net, daddr, hnum);
+		slot2 = hash2 & udptable->mask;
+		hslot2 = &udptable->hash2[slot2];
+		if (hslot->count < hslot2->count)
+			goto begin;
+
+		result = udp6_lib_lookup2(net, saddr, sport,
+					  daddr, hnum, dif,
+					  hslot2, slot2);
+		if (!result) {
+			hash2 = udp6_portaddr_hash(net, &in6addr_any, hnum);
+			slot2 = hash2 & udptable->mask;
+			hslot2 = &udptable->hash2[slot2];
+			if (hslot->count < hslot2->count)
+				goto begin;
+
+			result = udp6_lib_lookup2(net, &in6addr_any, sport,
+						  daddr, hnum, dif,
+						  hslot2, slot2);
+		}
+		rcu_read_unlock();
+		return result;
+	}
 begin:
 	result = NULL;
 	badness = -1;
@@ -174,7 +280,7 @@ begin:
 	 * not the expected one, we must restart lookup.
 	 * We probably met an item that was moved to another chain.
 	 */
-	if (get_nulls_value(node) != hash)
+	if (get_nulls_value(node) != slot)
 		goto begin;
 
 	if (result) {
-- 
GitLab


From 1240d1373cd7f874dd0f3057c3e9643e71ef75c6 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Sun, 8 Nov 2009 10:18:44 +0000
Subject: [PATCH 1041/1815] ipv4: udp: Optimise multicast reception

UDP multicast rx path is a bit complex and can hold a spinlock
for a long time.

Using a small (32 or 64 entries) stack of socket pointers can help
to perform expensive operations (skb_clone(), udp_queue_rcv_skb())
outside of the lock, in most cases.

It's also a base for a future RCU conversion of multicast recption.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Lucian Adrian Grijincu <lgrijincu@ixiacom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/udp.c | 76 +++++++++++++++++++++++++++++++++-----------------
 1 file changed, 50 insertions(+), 26 deletions(-)

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index dd7f3d20989..9d9072c6cce 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1329,49 +1329,73 @@ drop:
 	return -1;
 }
 
+
+static void flush_stack(struct sock **stack, unsigned int count,
+			struct sk_buff *skb, unsigned int final)
+{
+	unsigned int i;
+	struct sk_buff *skb1 = NULL;
+
+	for (i = 0; i < count; i++) {
+		if (likely(skb1 == NULL))
+			skb1 = (i == final) ? skb : skb_clone(skb, GFP_ATOMIC);
+
+		if (skb1 && udp_queue_rcv_skb(stack[i], skb1) <= 0)
+			skb1 = NULL;
+	}
+	if (unlikely(skb1))
+		kfree_skb(skb1);
+}
+
 /*
  *	Multicasts and broadcasts go to each listener.
  *
- *	Note: called only from the BH handler context,
- *	so we don't need to lock the hashes.
+ *	Note: called only from the BH handler context.
  */
 static int __udp4_lib_mcast_deliver(struct net *net, struct sk_buff *skb,
 				    struct udphdr  *uh,
 				    __be32 saddr, __be32 daddr,
 				    struct udp_table *udptable)
 {
-	struct sock *sk;
+	struct sock *sk, *stack[256 / sizeof(struct sock *)];
 	struct udp_hslot *hslot = udp_hashslot(udptable, net, ntohs(uh->dest));
 	int dif;
+	unsigned int i, count = 0;
 
 	spin_lock(&hslot->lock);
 	sk = sk_nulls_head(&hslot->head);
 	dif = skb->dev->ifindex;
 	sk = udp_v4_mcast_next(net, sk, uh->dest, daddr, uh->source, saddr, dif);
-	if (sk) {
-		struct sock *sknext = NULL;
-
-		do {
-			struct sk_buff *skb1 = skb;
-
-			sknext = udp_v4_mcast_next(net, sk_nulls_next(sk), uh->dest,
-						   daddr, uh->source, saddr,
-						   dif);
-			if (sknext)
-				skb1 = skb_clone(skb, GFP_ATOMIC);
-
-			if (skb1) {
-				int ret = udp_queue_rcv_skb(sk, skb1);
-				if (ret > 0)
-					/* we should probably re-process instead
-					 * of dropping packets here. */
-					kfree_skb(skb1);
-			}
-			sk = sknext;
-		} while (sknext);
-	} else
-		consume_skb(skb);
+	while (sk) {
+		stack[count++] = sk;
+		sk = udp_v4_mcast_next(net, sk_nulls_next(sk), uh->dest,
+				       daddr, uh->source, saddr, dif);
+		if (unlikely(count == ARRAY_SIZE(stack))) {
+			if (!sk)
+				break;
+			flush_stack(stack, count, skb, ~0);
+			count = 0;
+		}
+	}
+	/*
+	 * before releasing chain lock, we must take a reference on sockets
+	 */
+	for (i = 0; i < count; i++)
+		sock_hold(stack[i]);
+
 	spin_unlock(&hslot->lock);
+
+	/*
+	 * do the slow work with no lock held
+	 */
+	if (count) {
+		flush_stack(stack, count, skb, count - 1);
+
+		for (i = 0; i < count; i++)
+			sock_put(stack[i]);
+	} else {
+		kfree_skb(skb);
+	}
 	return 0;
 }
 
-- 
GitLab


From a1ab77f97ed03f5dae66ae4c64375beffab83772 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Sun, 8 Nov 2009 10:18:52 +0000
Subject: [PATCH 1042/1815] ipv6: udp: Optimise multicast reception

IPV6 UDP multicast rx path is a bit complex and can hold a spinlock
for a long time.

Using a small (32 or 64 entries) stack of socket pointers can help
to perform expensive operations (skb_clone(), udp_queue_rcv_skb())
outside of the lock, in most cases.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/udp.c | 71 +++++++++++++++++++++++++++++++++-----------------
 1 file changed, 47 insertions(+), 24 deletions(-)

diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index f580cf92511..948e823d70c 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -569,6 +569,27 @@ static struct sock *udp_v6_mcast_next(struct net *net, struct sock *sk,
 	return NULL;
 }
 
+static void flush_stack(struct sock **stack, unsigned int count,
+			struct sk_buff *skb, unsigned int final)
+{
+	unsigned int i;
+	struct sock *sk;
+	struct sk_buff *skb1;
+
+	for (i = 0; i < count; i++) {
+		skb1 = (i == final) ? skb : skb_clone(skb, GFP_ATOMIC);
+
+		if (skb1) {
+			sk = stack[i];
+			bh_lock_sock(sk);
+			if (!sock_owned_by_user(sk))
+				udpv6_queue_rcv_skb(sk, skb1);
+			else
+				sk_add_backlog(sk, skb1);
+			bh_unlock_sock(sk);
+		}
+	}
+}
 /*
  * Note: called only from the BH handler context,
  * so we don't need to lock the hashes.
@@ -577,41 +598,43 @@ static int __udp6_lib_mcast_deliver(struct net *net, struct sk_buff *skb,
 		struct in6_addr *saddr, struct in6_addr *daddr,
 		struct udp_table *udptable)
 {
-	struct sock *sk, *sk2;
+	struct sock *sk, *stack[256 / sizeof(struct sock *)];
 	const struct udphdr *uh = udp_hdr(skb);
 	struct udp_hslot *hslot = udp_hashslot(udptable, net, ntohs(uh->dest));
 	int dif;
+	unsigned int i, count = 0;
 
 	spin_lock(&hslot->lock);
 	sk = sk_nulls_head(&hslot->head);
 	dif = inet6_iif(skb);
 	sk = udp_v6_mcast_next(net, sk, uh->dest, daddr, uh->source, saddr, dif);
-	if (!sk) {
-		kfree_skb(skb);
-		goto out;
-	}
-
-	sk2 = sk;
-	while ((sk2 = udp_v6_mcast_next(net, sk_nulls_next(sk2), uh->dest, daddr,
-					uh->source, saddr, dif))) {
-		struct sk_buff *buff = skb_clone(skb, GFP_ATOMIC);
-		if (buff) {
-			bh_lock_sock(sk2);
-			if (!sock_owned_by_user(sk2))
-				udpv6_queue_rcv_skb(sk2, buff);
-			else
-				sk_add_backlog(sk2, buff);
-			bh_unlock_sock(sk2);
+	while (sk) {
+		stack[count++] = sk;
+		sk = udp_v6_mcast_next(net, sk_nulls_next(sk), uh->dest, daddr,
+				       uh->source, saddr, dif);
+		if (unlikely(count == ARRAY_SIZE(stack))) {
+			if (!sk)
+				break;
+			flush_stack(stack, count, skb, ~0);
+			count = 0;
 		}
 	}
-	bh_lock_sock(sk);
-	if (!sock_owned_by_user(sk))
-		udpv6_queue_rcv_skb(sk, skb);
-	else
-		sk_add_backlog(sk, skb);
-	bh_unlock_sock(sk);
-out:
+	/*
+	 * before releasing the lock, we must take reference on sockets
+	 */
+	for (i = 0; i < count; i++)
+		sock_hold(stack[i]);
+
 	spin_unlock(&hslot->lock);
+
+	if (count) {
+		flush_stack(stack, count, skb, count - 1);
+
+		for (i = 0; i < count; i++)
+			sock_put(stack[i]);
+	} else {
+		kfree_skb(skb);
+	}
 	return 0;
 }
 
-- 
GitLab


From f6b8f32ca71406de718391369490f6b1e81fe0bb Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Sun, 8 Nov 2009 10:20:19 +0000
Subject: [PATCH 1043/1815] udp: multicast RX should increment SNMP/sk_drops
 counter in allocation failures

When skb_clone() fails, we should increment sk_drops and SNMP counters.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/udp.c | 12 +++++++++++-
 net/ipv6/udp.c |  8 +++++++-
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 9d9072c6cce..d73e9170536 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1335,12 +1335,22 @@ static void flush_stack(struct sock **stack, unsigned int count,
 {
 	unsigned int i;
 	struct sk_buff *skb1 = NULL;
+	struct sock *sk;
 
 	for (i = 0; i < count; i++) {
+		sk = stack[i];
 		if (likely(skb1 == NULL))
 			skb1 = (i == final) ? skb : skb_clone(skb, GFP_ATOMIC);
 
-		if (skb1 && udp_queue_rcv_skb(stack[i], skb1) <= 0)
+		if (!skb1) {
+			atomic_inc(&sk->sk_drops);
+			UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_RCVBUFERRORS,
+					 IS_UDPLITE(sk));
+			UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS,
+					 IS_UDPLITE(sk));
+		}
+
+		if (skb1 && udp_queue_rcv_skb(sk, skb1) <= 0)
 			skb1 = NULL;
 	}
 	if (unlikely(skb1))
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 948e823d70c..2915e1dad72 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -579,14 +579,20 @@ static void flush_stack(struct sock **stack, unsigned int count,
 	for (i = 0; i < count; i++) {
 		skb1 = (i == final) ? skb : skb_clone(skb, GFP_ATOMIC);
 
+		sk = stack[i];
 		if (skb1) {
-			sk = stack[i];
 			bh_lock_sock(sk);
 			if (!sock_owned_by_user(sk))
 				udpv6_queue_rcv_skb(sk, skb1);
 			else
 				sk_add_backlog(sk, skb1);
 			bh_unlock_sock(sk);
+		} else {
+			atomic_inc(&sk->sk_drops);
+			UDP6_INC_STATS_BH(sock_net(sk),
+					UDP_MIB_RCVBUFERRORS, IS_UDPLITE(sk));
+			UDP6_INC_STATS_BH(sock_net(sk),
+					UDP_MIB_INERRORS, IS_UDPLITE(sk));
 		}
 	}
 }
-- 
GitLab


From fab2532ba50b287647d95046c4f3b37bf6379d37 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Sun, 8 Nov 2009 20:56:21 -0800
Subject: [PATCH 1044/1815] net, compat_ioctl: fix SIOCGMII ioctls

SIOCGMIIPHY and SIOCGMIIREG return data through ifreq,
so it needs to be converted on the way out as well.

SIOCGIFPFLAGS is unused, but has the same problem in theory.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/socket.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/socket.c b/net/socket.c
index bfbde200b74..224e7f73fdf 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -2746,7 +2746,10 @@ static int dev_ifsioc(struct net *net, struct socket *sock,
 		case SIOCGIFBRDADDR:
 		case SIOCGIFDSTADDR:
 		case SIOCGIFNETMASK:
+		case SIOCGIFPFLAGS:
 		case SIOCGIFTXQLEN:
+		case SIOCGMIIPHY:
+		case SIOCGMIIREG:
 			if (copy_to_user(uifr32, &ifr, sizeof(*uifr32)))
 				return -EFAULT;
 			break;
-- 
GitLab


From 7a50a240c495478179f01c9df4bd75e39cff79c7 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Sun, 8 Nov 2009 20:57:03 -0800
Subject: [PATCH 1045/1815] net/compat_ioctl: support SIOCWANDEV

This adds compat_ioctl support for SIOCWANDEV, which has
always been missing.

The definition of struct compat_ifreq was missing an
ifru_settings fields that is needed to support SIOCWANDEV,
so add that and clean up the whitespace damage in the
struct definition.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/compat.h | 41 ++++++++++++++++++++++++-----------------
 net/socket.c           | 23 +++++++++++++++++++++++
 2 files changed, 47 insertions(+), 17 deletions(-)

diff --git a/include/linux/compat.h b/include/linux/compat.h
index 224c7a89617..ef68119a4fd 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -165,25 +165,32 @@ struct compat_ifmap {
 	unsigned char port;
 };
 
+struct compat_if_settings
+{
+	unsigned int type;	/* Type of physical device or protocol */
+	unsigned int size;	/* Size of the data allocated by the caller */
+	compat_uptr_t ifs_ifsu;	/* union of pointers */
+};
+
 struct compat_ifreq {
-        union {
-                char    ifrn_name[IFNAMSIZ];            /* if name, e.g. "en0" */
-        } ifr_ifrn;
-        union {
-                struct  sockaddr ifru_addr;
-                struct  sockaddr ifru_dstaddr;
-                struct  sockaddr ifru_broadaddr;
-                struct  sockaddr ifru_netmask;
-                struct  sockaddr ifru_hwaddr;
-                short   ifru_flags;
-                compat_int_t     ifru_ivalue;
-                compat_int_t     ifru_mtu;
-                struct  compat_ifmap ifru_map;
-                char    ifru_slave[IFNAMSIZ];   /* Just fits the size */
+	union {
+		char	ifrn_name[IFNAMSIZ];    /* if name, e.g. "en0" */
+	} ifr_ifrn;
+	union {
+		struct	sockaddr ifru_addr;
+		struct	sockaddr ifru_dstaddr;
+		struct	sockaddr ifru_broadaddr;
+		struct	sockaddr ifru_netmask;
+		struct	sockaddr ifru_hwaddr;
+		short	ifru_flags;
+		compat_int_t	ifru_ivalue;
+		compat_int_t	ifru_mtu;
+		struct	compat_ifmap ifru_map;
+		char	ifru_slave[IFNAMSIZ];   /* Just fits the size */
 		char	ifru_newname[IFNAMSIZ];
-                compat_caddr_t ifru_data;
-	    /* XXXX? ifru_settings should be here */
-        } ifr_ifru;
+		compat_caddr_t	ifru_data;
+		struct	compat_if_settings ifru_settings;
+	} ifr_ifru;
 };
 
 struct compat_ifconf {
diff --git a/net/socket.c b/net/socket.c
index 224e7f73fdf..befd9f5b162 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -2627,6 +2627,27 @@ static int ethtool_ioctl(struct net *net, struct compat_ifreq __user *ifr32)
 	return dev_ioctl(net, SIOCETHTOOL, ifr);
 }
 
+static int compat_siocwandev(struct net *net, struct compat_ifreq __user *uifr32)
+{
+	void __user *uptr;
+	compat_uptr_t uptr32;
+	struct ifreq __user *uifr;
+
+	uifr = compat_alloc_user_space(sizeof (*uifr));
+	if (copy_in_user(uifr, uifr32, sizeof(struct compat_ifreq)))
+		return -EFAULT;
+
+	if (get_user(uptr32, &uifr32->ifr_settings.ifs_ifsu))
+		return -EFAULT;
+
+	uptr = compat_ptr(uptr32);
+
+	if (put_user(uptr, &uifr->ifr_settings.ifs_ifsu.raw_hdlc))
+		return -EFAULT;
+
+	return dev_ioctl(net, SIOCWANDEV, uifr);
+}
+
 static int bond_ioctl(struct net *net, unsigned int cmd,
 			 struct compat_ifreq __user *ifr32)
 {
@@ -3058,6 +3079,8 @@ static int compat_sock_ioctl_trans(struct file *file, struct socket *sock,
 		return dev_ifconf(net, argp);
 	case SIOCETHTOOL:
 		return ethtool_ioctl(net, argp);
+	case SIOCWANDEV:
+		return compat_siocwandev(net, argp);
 	case SIOCBONDENSLAVE:
 	case SIOCBONDRELEASE:
 	case SIOCBONDSETHWADDR:
-- 
GitLab


From 9e0d57fd6dad37d72a3ca6db00ca8c76f2215454 Mon Sep 17 00:00:00 2001
From: Yury Polyanskiy <polyanskiy@gmail.com>
Date: Sun, 8 Nov 2009 20:58:41 -0800
Subject: [PATCH 1046/1815] xfrm: SAD entries do not expire correctly after
 suspend-resume

  This fixes the following bug in the current implementation of
net/xfrm: SAD entries timeouts do not count the time spent by the machine
in the suspended state. This leads to the connectivity problems because
after resuming local machine thinks that the SAD entry is still valid, while
it has already been expired on the remote server.

  The cause of this is very simple: the timeouts in the net/xfrm are bound to
the old mod_timer() timers. This patch reassigns them to the
CLOCK_REALTIME hrtimer.

  I have been using this version of the patch for a few months on my
machines without any problems. Also run a few stress tests w/o any
issues.

  This version of the patch uses tasklet_hrtimer by Peter Zijlstra
(commit 9ba5f0).

  This patch is against 2.6.31.4. Please CC me.

Signed-off-by: Yury Polyanskiy <polyanskiy@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/xfrm.h    |  5 ++++-
 net/xfrm/xfrm_state.c | 30 +++++++++++++++++-------------
 2 files changed, 21 insertions(+), 14 deletions(-)

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 7f38ef50995..93d184b91a8 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -19,6 +19,9 @@
 #include <net/route.h>
 #include <net/ipv6.h>
 #include <net/ip6_fib.h>
+
+#include <linux/interrupt.h>
+
 #ifdef CONFIG_XFRM_STATISTICS
 #include <net/snmp.h>
 #endif
@@ -198,7 +201,7 @@ struct xfrm_state {
 	struct xfrm_stats	stats;
 
 	struct xfrm_lifetime_cur curlft;
-	struct timer_list	timer;
+	struct tasklet_hrtimer	mtimer;
 
 	/* Last used time */
 	unsigned long		lastused;
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index f2f7c638083..e9ac0cec087 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -21,6 +21,9 @@
 #include <linux/cache.h>
 #include <linux/audit.h>
 #include <asm/uaccess.h>
+#include <linux/ktime.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
 
 #include "xfrm_hash.h"
 
@@ -352,7 +355,7 @@ static void xfrm_put_mode(struct xfrm_mode *mode)
 
 static void xfrm_state_gc_destroy(struct xfrm_state *x)
 {
-	del_timer_sync(&x->timer);
+	tasklet_hrtimer_cancel(&x->mtimer);
 	del_timer_sync(&x->rtimer);
 	kfree(x->aalg);
 	kfree(x->ealg);
@@ -398,9 +401,10 @@ static inline unsigned long make_jiffies(long secs)
 		return secs*HZ;
 }
 
-static void xfrm_timer_handler(unsigned long data)
+static enum hrtimer_restart xfrm_timer_handler(struct hrtimer * me)
 {
-	struct xfrm_state *x = (struct xfrm_state*)data;
+	struct tasklet_hrtimer *thr = container_of(me, struct tasklet_hrtimer, timer);
+	struct xfrm_state *x = container_of(thr, struct xfrm_state, mtimer);
 	struct net *net = xs_net(x);
 	unsigned long now = get_seconds();
 	long next = LONG_MAX;
@@ -451,8 +455,9 @@ static void xfrm_timer_handler(unsigned long data)
 	if (warn)
 		km_state_expired(x, 0, 0);
 resched:
-	if (next != LONG_MAX)
-		mod_timer(&x->timer, jiffies + make_jiffies(next));
+	if (next != LONG_MAX){
+		tasklet_hrtimer_start(&x->mtimer, ktime_set(next, 0), HRTIMER_MODE_REL);
+	}
 
 	goto out;
 
@@ -474,6 +479,7 @@ expired:
 
 out:
 	spin_unlock(&x->lock);
+	return HRTIMER_NORESTART;
 }
 
 static void xfrm_replay_timer_handler(unsigned long data);
@@ -492,7 +498,7 @@ struct xfrm_state *xfrm_state_alloc(struct net *net)
 		INIT_HLIST_NODE(&x->bydst);
 		INIT_HLIST_NODE(&x->bysrc);
 		INIT_HLIST_NODE(&x->byspi);
-		setup_timer(&x->timer, xfrm_timer_handler, (unsigned long)x);
+		tasklet_hrtimer_init(&x->mtimer, xfrm_timer_handler, CLOCK_REALTIME, HRTIMER_MODE_ABS);
 		setup_timer(&x->rtimer, xfrm_replay_timer_handler,
 				(unsigned long)x);
 		x->curlft.add_time = get_seconds();
@@ -843,8 +849,7 @@ found:
 				hlist_add_head(&x->byspi, net->xfrm.state_byspi+h);
 			}
 			x->lft.hard_add_expires_seconds = net->xfrm.sysctl_acq_expires;
-			x->timer.expires = jiffies + net->xfrm.sysctl_acq_expires*HZ;
-			add_timer(&x->timer);
+			tasklet_hrtimer_start(&x->mtimer, ktime_set(net->xfrm.sysctl_acq_expires, 0), HRTIMER_MODE_REL);
 			net->xfrm.state_num++;
 			xfrm_hash_grow_check(net, x->bydst.next != NULL);
 		} else {
@@ -921,7 +926,7 @@ static void __xfrm_state_insert(struct xfrm_state *x)
 		hlist_add_head(&x->byspi, net->xfrm.state_byspi+h);
 	}
 
-	mod_timer(&x->timer, jiffies + HZ);
+	tasklet_hrtimer_start(&x->mtimer, ktime_set(1, 0), HRTIMER_MODE_REL);
 	if (x->replay_maxage)
 		mod_timer(&x->rtimer, jiffies + x->replay_maxage);
 
@@ -1019,8 +1024,7 @@ static struct xfrm_state *__find_acq_core(struct net *net, unsigned short family
 		x->props.reqid = reqid;
 		x->lft.hard_add_expires_seconds = net->xfrm.sysctl_acq_expires;
 		xfrm_state_hold(x);
-		x->timer.expires = jiffies + net->xfrm.sysctl_acq_expires*HZ;
-		add_timer(&x->timer);
+		tasklet_hrtimer_start(&x->mtimer, ktime_set(net->xfrm.sysctl_acq_expires, 0), HRTIMER_MODE_REL);
 		list_add(&x->km.all, &net->xfrm.state_all);
 		hlist_add_head(&x->bydst, net->xfrm.state_bydst+h);
 		h = xfrm_src_hash(net, daddr, saddr, family);
@@ -1300,7 +1304,7 @@ out:
 		memcpy(&x1->lft, &x->lft, sizeof(x1->lft));
 		x1->km.dying = 0;
 
-		mod_timer(&x1->timer, jiffies + HZ);
+		tasklet_hrtimer_start(&x1->mtimer, ktime_set(1, 0), HRTIMER_MODE_REL);
 		if (x1->curlft.use_time)
 			xfrm_state_check_expire(x1);
 
@@ -1325,7 +1329,7 @@ int xfrm_state_check_expire(struct xfrm_state *x)
 	if (x->curlft.bytes >= x->lft.hard_byte_limit ||
 	    x->curlft.packets >= x->lft.hard_packet_limit) {
 		x->km.state = XFRM_STATE_EXPIRED;
-		mod_timer(&x->timer, jiffies);
+		tasklet_hrtimer_start(&x->mtimer, ktime_set(0,0), HRTIMER_MODE_REL);
 		return -EINVAL;
 	}
 
-- 
GitLab


From 36c04a61f516742dad6f9bad8c6c1a7137a260f5 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sat, 7 Nov 2009 11:37:36 +0000
Subject: [PATCH 1047/1815] netx: declare MODULE_FIRMWARE

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/netx-eth.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/netx-eth.c b/drivers/net/netx-eth.c
index 9f4235466d5..a0d65f592a1 100644
--- a/drivers/net/netx-eth.c
+++ b/drivers/net/netx-eth.c
@@ -510,3 +510,6 @@ module_exit(netx_eth_cleanup);
 MODULE_AUTHOR("Sascha Hauer, Pengutronix");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform:" CARDNAME);
+MODULE_FIRMWARE("xc0.bin");
+MODULE_FIRMWARE("xc1.bin");
+MODULE_FIRMWARE("xc2.bin");
-- 
GitLab


From 9fca79d67031203ab1c3b59807aec261d7bb5539 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sat, 7 Nov 2009 11:40:32 +0000
Subject: [PATCH 1048/1815] solos-pci: declare MODULE_FIRMWARE

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/atm/solos-pci.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c
index c5f5186d62a..d7ad19d2603 100644
--- a/drivers/atm/solos-pci.c
+++ b/drivers/atm/solos-pci.c
@@ -142,6 +142,9 @@ MODULE_AUTHOR("Traverse Technologies <support@traverse.com.au>");
 MODULE_DESCRIPTION("Solos PCI driver");
 MODULE_VERSION(VERSION);
 MODULE_LICENSE("GPL");
+MODULE_FIRMWARE("solos-FPGA.bin");
+MODULE_FIRMWARE("solos-Firmware.bin");
+MODULE_FIRMWARE("solos-db-FPGA.bin");
 MODULE_PARM_DESC(reset, "Reset Solos chips on startup");
 MODULE_PARM_DESC(atmdebug, "Print ATM data");
 MODULE_PARM_DESC(firmware_upgrade, "Initiate Solos firmware upgrade");
-- 
GitLab


From e8c0ae2c04372248f2f6940a5984f5748aae9664 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sat, 7 Nov 2009 11:46:07 +0000
Subject: [PATCH 1049/1815] ambassador: declare MODULE_FIRMWARE

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/atm/ambassador.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/atm/ambassador.c b/drivers/atm/ambassador.c
index 66e181345b3..8af23411743 100644
--- a/drivers/atm/ambassador.c
+++ b/drivers/atm/ambassador.c
@@ -2351,6 +2351,7 @@ static void __init amb_check_args (void) {
 MODULE_AUTHOR(maintainer_string);
 MODULE_DESCRIPTION(description_string);
 MODULE_LICENSE("GPL");
+MODULE_FIRMWARE("atmsar11.fw");
 module_param(debug,   ushort, 0644);
 module_param(cmds,    uint, 0);
 module_param(txs,     uint, 0);
-- 
GitLab


From 45229b420f90bb6736dfeb7e491eb46cb02a3e9c Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sat, 7 Nov 2009 11:53:39 +0000
Subject: [PATCH 1050/1815] bnx2x: declare MODULE_FIRMWARE

Replace run-time string formatting with preprocessor string
manipulation.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Acked-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2x_main.c | 27 ++++++++++++++-------------
 1 file changed, 14 insertions(+), 13 deletions(-)

diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 61974b74909..5b6c68abccd 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -49,6 +49,7 @@
 #include <linux/prefetch.h>
 #include <linux/zlib.h>
 #include <linux/io.h>
+#include <linux/stringify.h>
 
 
 #include "bnx2x.h"
@@ -63,8 +64,13 @@
 #include <linux/firmware.h>
 #include "bnx2x_fw_file_hdr.h"
 /* FW files */
-#define FW_FILE_PREFIX_E1	"bnx2x-e1-"
-#define FW_FILE_PREFIX_E1H	"bnx2x-e1h-"
+#define FW_FILE_VERSION					\
+	__stringify(BCM_5710_FW_MAJOR_VERSION) "."	\
+	__stringify(BCM_5710_FW_MINOR_VERSION) "."	\
+	__stringify(BCM_5710_FW_REVISION_VERSION) "."	\
+	__stringify(BCM_5710_FW_ENGINEERING_VERSION)
+#define FW_FILE_NAME_E1		"bnx2x-e1-" FW_FILE_VERSION ".fw"
+#define FW_FILE_NAME_E1H	"bnx2x-e1h-" FW_FILE_VERSION ".fw"
 
 /* Time in jiffies before concluding the transmitter is hung */
 #define TX_TIMEOUT		(5*HZ)
@@ -77,6 +83,8 @@ MODULE_AUTHOR("Eliezer Tamir");
 MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710/57711/57711E Driver");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(DRV_MODULE_VERSION);
+MODULE_FIRMWARE(FW_FILE_NAME_E1);
+MODULE_FIRMWARE(FW_FILE_NAME_E1H);
 
 static int multi_mode = 1;
 module_param(multi_mode, int, 0);
@@ -12111,21 +12119,14 @@ static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
 
 static int __devinit bnx2x_init_firmware(struct bnx2x *bp, struct device *dev)
 {
-	char fw_file_name[40] = {0};
+	const char *fw_file_name;
 	struct bnx2x_fw_file_hdr *fw_hdr;
-	int rc, offset;
+	int rc;
 
-	/* Create a FW file name */
 	if (CHIP_IS_E1(bp))
-		offset = sprintf(fw_file_name, FW_FILE_PREFIX_E1);
+		fw_file_name = FW_FILE_NAME_E1;
 	else
-		offset = sprintf(fw_file_name, FW_FILE_PREFIX_E1H);
-
-	sprintf(fw_file_name + offset, "%d.%d.%d.%d.fw",
-		BCM_5710_FW_MAJOR_VERSION,
-		BCM_5710_FW_MINOR_VERSION,
-		BCM_5710_FW_REVISION_VERSION,
-		BCM_5710_FW_ENGINEERING_VERSION);
+		fw_file_name = FW_FILE_NAME_E1H;
 
 	printk(KERN_INFO PFX "Loading %s\n", fw_file_name);
 
-- 
GitLab


From 34336ec032878d1a32e7df881f16ce2145e53f83 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sat, 7 Nov 2009 11:53:52 +0000
Subject: [PATCH 1051/1815] cxgb3: declare MODULE_FIRMWARE

Replace run-time string formatting with preprocessor string
manipulation.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Acked-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/cxgb3/common.h     |  8 +++-----
 drivers/net/cxgb3/cxgb3_main.c | 25 ++++++++++++++++---------
 2 files changed, 19 insertions(+), 14 deletions(-)

diff --git a/drivers/net/cxgb3/common.h b/drivers/net/cxgb3/common.h
index 1b2c305fb82..6ff356d4c7a 100644
--- a/drivers/net/cxgb3/common.h
+++ b/drivers/net/cxgb3/common.h
@@ -125,11 +125,9 @@ enum {				/* adapter interrupt-maintained statistics */
 	IRQ_NUM_STATS		/* keep last */
 };
 
-enum {
-	TP_VERSION_MAJOR	= 1,
-	TP_VERSION_MINOR	= 1,
-	TP_VERSION_MICRO	= 0
-};
+#define TP_VERSION_MAJOR	1
+#define TP_VERSION_MINOR	1
+#define TP_VERSION_MICRO	0
 
 #define S_TP_VERSION_MAJOR		16
 #define M_TP_VERSION_MAJOR		0xFF
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index c9113d3297e..b1a5a00a78c 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -44,6 +44,7 @@
 #include <linux/rtnetlink.h>
 #include <linux/firmware.h>
 #include <linux/log2.h>
+#include <linux/stringify.h>
 #include <asm/uaccess.h>
 
 #include "common.h"
@@ -992,11 +993,21 @@ static int bind_qsets(struct adapter *adap)
 	return err;
 }
 
-#define FW_FNAME "cxgb3/t3fw-%d.%d.%d.bin"
-#define TPSRAM_NAME "cxgb3/t3%c_psram-%d.%d.%d.bin"
+#define FW_VERSION __stringify(FW_VERSION_MAJOR) "."			\
+	__stringify(FW_VERSION_MINOR) "." __stringify(FW_VERSION_MICRO)
+#define FW_FNAME "cxgb3/t3fw-" FW_VERSION ".bin"
+#define TPSRAM_VERSION __stringify(TP_VERSION_MAJOR) "."		\
+	__stringify(TP_VERSION_MINOR) "." __stringify(TP_VERSION_MICRO)
+#define TPSRAM_NAME "cxgb3/t3%c_psram-" TPSRAM_VERSION ".bin"
 #define AEL2005_OPT_EDC_NAME "cxgb3/ael2005_opt_edc.bin"
 #define AEL2005_TWX_EDC_NAME "cxgb3/ael2005_twx_edc.bin"
 #define AEL2020_TWX_EDC_NAME "cxgb3/ael2020_twx_edc.bin"
+MODULE_FIRMWARE(FW_FNAME);
+MODULE_FIRMWARE("cxgb3/t3b_psram-" TPSRAM_VERSION ".bin");
+MODULE_FIRMWARE("cxgb3/t3c_psram-" TPSRAM_VERSION ".bin");
+MODULE_FIRMWARE(AEL2005_OPT_EDC_NAME);
+MODULE_FIRMWARE(AEL2005_TWX_EDC_NAME);
+MODULE_FIRMWARE(AEL2020_TWX_EDC_NAME);
 
 static inline const char *get_edc_fw_name(int edc_idx)
 {
@@ -1067,16 +1078,13 @@ int t3_get_edc_fw(struct cphy *phy, int edc_idx, int size)
 static int upgrade_fw(struct adapter *adap)
 {
 	int ret;
-	char buf[64];
 	const struct firmware *fw;
 	struct device *dev = &adap->pdev->dev;
 
-	snprintf(buf, sizeof(buf), FW_FNAME, FW_VERSION_MAJOR,
-		 FW_VERSION_MINOR, FW_VERSION_MICRO);
-	ret = request_firmware(&fw, buf, dev);
+	ret = request_firmware(&fw, FW_FNAME, dev);
 	if (ret < 0) {
 		dev_err(dev, "could not upgrade firmware: unable to load %s\n",
-			buf);
+			FW_FNAME);
 		return ret;
 	}
 	ret = t3_load_fw(adap, fw->data, fw->size);
@@ -1120,8 +1128,7 @@ static int update_tpsram(struct adapter *adap)
 	if (!rev)
 		return 0;
 
-	snprintf(buf, sizeof(buf), TPSRAM_NAME, rev,
-		 TP_VERSION_MAJOR, TP_VERSION_MINOR, TP_VERSION_MICRO);
+	snprintf(buf, sizeof(buf), TPSRAM_NAME, rev);
 
 	ret = request_firmware(&tpsram, buf, dev);
 	if (ret < 0) {
-- 
GitLab


From b9721d5a2fa00ad979c19a9511d43d2664d5381c Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sat, 7 Nov 2009 11:54:44 +0000
Subject: [PATCH 1052/1815] myri10ge: declare MODULE_FIRMWARE

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/myri10ge/myri10ge.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index 5319db9901d..85e1b6a3ac1 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -263,6 +263,10 @@ static char *myri10ge_fw_unaligned = "myri10ge_ethp_z8e.dat";
 static char *myri10ge_fw_aligned = "myri10ge_eth_z8e.dat";
 static char *myri10ge_fw_rss_unaligned = "myri10ge_rss_ethp_z8e.dat";
 static char *myri10ge_fw_rss_aligned = "myri10ge_rss_eth_z8e.dat";
+MODULE_FIRMWARE("myri10ge_ethp_z8e.dat");
+MODULE_FIRMWARE("myri10ge_eth_z8e.dat");
+MODULE_FIRMWARE("myri10ge_rss_ethp_z8e.dat");
+MODULE_FIRMWARE("myri10ge_rss_eth_z8e.dat");
 
 static char *myri10ge_fw_name = NULL;
 module_param(myri10ge_fw_name, charp, S_IRUGO | S_IWUSR);
-- 
GitLab


From 866691a21e8c9dfc58c5ab1ed77d5c41e779755b Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sat, 7 Nov 2009 11:55:07 +0000
Subject: [PATCH 1053/1815] spider-net: declare MODULE_FIRMWARE

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/spider_net.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c
index 90e663f4515..782910cf220 100644
--- a/drivers/net/spider_net.c
+++ b/drivers/net/spider_net.c
@@ -57,6 +57,7 @@ MODULE_AUTHOR("Utz Bacher <utz.bacher@de.ibm.com> and Jens Osterkamp " \
 MODULE_DESCRIPTION("Spider Southbridge Gigabit Ethernet driver");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(VERSION);
+MODULE_FIRMWARE(SPIDER_NET_FIRMWARE_NAME);
 
 static int rx_descriptors = SPIDER_NET_RX_DESCRIPTORS_DEFAULT;
 static int tx_descriptors = SPIDER_NET_TX_DESCRIPTORS_DEFAULT;
-- 
GitLab


From b3ccbb24e8914973be0d2ee7b66e44cecaed9bf5 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sat, 7 Nov 2009 11:55:20 +0000
Subject: [PATCH 1054/1815] tms380tr: declare MODULE_FIRMWARE

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tokenring/tms380tr.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/tokenring/tms380tr.c b/drivers/net/tokenring/tms380tr.c
index a7b6888829b..fa152144aac 100644
--- a/drivers/net/tokenring/tms380tr.c
+++ b/drivers/net/tokenring/tms380tr.c
@@ -1364,6 +1364,8 @@ static int tms380tr_reset_adapter(struct net_device *dev)
 	return (-1);
 }
 
+MODULE_FIRMWARE("tms380tr.bin");
+
 /*
  * Starts bring up diagnostics of token ring adapter and evaluates
  * diagnostic results.
-- 
GitLab


From 8489992e723b5def1a807e615854f51b75d10600 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sat, 7 Nov 2009 12:04:09 +0000
Subject: [PATCH 1055/1815] pcnet-cs: declare MODULE_FIRMWARE

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/pcmcia/pcnet_cs.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/net/pcmcia/pcnet_cs.c b/drivers/net/pcmcia/pcnet_cs.c
index 94c9ad2746b..469684474b7 100644
--- a/drivers/net/pcmcia/pcnet_cs.c
+++ b/drivers/net/pcmcia/pcnet_cs.c
@@ -1768,6 +1768,13 @@ static struct pcmcia_device_id pcnet_ids[] = {
 	PCMCIA_DEVICE_NULL
 };
 MODULE_DEVICE_TABLE(pcmcia, pcnet_ids);
+MODULE_FIRMWARE("cis/PCMLM28.cis");
+MODULE_FIRMWARE("cis/DP83903.cis");
+MODULE_FIRMWARE("cis/LA-PCM.cis");
+MODULE_FIRMWARE("PE520.cis");
+MODULE_FIRMWARE("cis/NE2K.cis");
+MODULE_FIRMWARE("cis/PE-200.cis");
+MODULE_FIRMWARE("cis/tamarack.cis");
 
 static struct pcmcia_driver pcnet_driver = {
 	.drv		= {
-- 
GitLab


From 4a9b5e5053a184ada2e9b19aee12b6200bb8980f Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Tue, 10 Nov 2009 20:30:37 -0800
Subject: [PATCH 1056/1815] speedfax: declare MODULE_FIRMWARE

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/isdn/hardware/mISDN/speedfax.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/isdn/hardware/mISDN/speedfax.c b/drivers/isdn/hardware/mISDN/speedfax.c
index ff3a4e290da..7726afdbb40 100644
--- a/drivers/isdn/hardware/mISDN/speedfax.c
+++ b/drivers/isdn/hardware/mISDN/speedfax.c
@@ -110,6 +110,7 @@ set_debug(const char *val, struct kernel_param *kp)
 MODULE_AUTHOR("Karsten Keil");
 MODULE_LICENSE("GPL v2");
 MODULE_VERSION(SPEEDFAX_REV);
+MODULE_FIRMWARE("isdn/ISAR.BIN");
 module_param_call(debug, set_debug, param_get_uint, &debug, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(debug, "Speedfax debug mask");
 module_param(irqloops, uint, S_IRUGO | S_IWUSR);
-- 
GitLab


From 6b0d07ba152893b40f1014a9db8da5aa564aa00e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Denis-Courmont?= <remi.denis-courmont@nokia.com>
Date: Mon, 9 Nov 2009 02:17:01 +0000
Subject: [PATCH 1057/1815] Phonet: put sockets in a hash table
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/phonet/phonet.h |  1 +
 net/phonet/af_phonet.c      |  1 +
 net/phonet/socket.c         | 79 +++++++++++++++++++++++++------------
 3 files changed, 56 insertions(+), 25 deletions(-)

diff --git a/include/net/phonet/phonet.h b/include/net/phonet/phonet.h
index fdb05fa0346..7b114079a51 100644
--- a/include/net/phonet/phonet.h
+++ b/include/net/phonet/phonet.h
@@ -46,6 +46,7 @@ static inline struct pn_sock *pn_sk(struct sock *sk)
 
 extern const struct proto_ops phonet_dgram_ops;
 
+void pn_sock_init(void);
 struct sock *pn_find_sock_by_sa(struct net *net, const struct sockaddr_pn *sa);
 void pn_deliver_sock_broadcast(struct net *net, struct sk_buff *skb);
 void phonet_get_local_port_range(int *min, int *max);
diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c
index 3bd1be6b26f..8d3a55b4a30 100644
--- a/net/phonet/af_phonet.c
+++ b/net/phonet/af_phonet.c
@@ -481,6 +481,7 @@ static int __init phonet_init(void)
 	if (err)
 		return err;
 
+	pn_sock_init();
 	err = sock_register(&phonet_proto_family);
 	if (err) {
 		printk(KERN_ALERT
diff --git a/net/phonet/socket.c b/net/phonet/socket.c
index 0412beb59a0..4112b6e1c48 100644
--- a/net/phonet/socket.c
+++ b/net/phonet/socket.c
@@ -45,13 +45,28 @@ static int pn_socket_release(struct socket *sock)
 	return 0;
 }
 
+#define PN_HASHSIZE	16
+#define PN_HASHMASK	(PN_HASHSIZE-1)
+
+
 static struct  {
-	struct hlist_head hlist;
+	struct hlist_head hlist[PN_HASHSIZE];
 	spinlock_t lock;
-} pnsocks = {
-	.hlist = HLIST_HEAD_INIT,
-	.lock = __SPIN_LOCK_UNLOCKED(pnsocks.lock),
-};
+} pnsocks;
+
+void __init pn_sock_init(void)
+{
+	unsigned i;
+
+	for (i = 0; i < PN_HASHSIZE; i++)
+		INIT_HLIST_HEAD(pnsocks.hlist + i);
+	spin_lock_init(&pnsocks.lock);
+}
+
+static struct hlist_head *pn_hash_list(u16 obj)
+{
+	return pnsocks.hlist + (obj & PN_HASHMASK);
+}
 
 /*
  * Find address based on socket address, match only certain fields.
@@ -64,10 +79,11 @@ struct sock *pn_find_sock_by_sa(struct net *net, const struct sockaddr_pn *spn)
 	struct sock *rval = NULL;
 	u16 obj = pn_sockaddr_get_object(spn);
 	u8 res = spn->spn_resource;
+	struct hlist_head *hlist = pn_hash_list(obj);
 
 	spin_lock_bh(&pnsocks.lock);
 
-	sk_for_each(sknode, node, &pnsocks.hlist) {
+	sk_for_each(sknode, node, hlist) {
 		struct pn_sock *pn = pn_sk(sknode);
 		BUG_ON(!pn->sobject); /* unbound socket */
 
@@ -99,31 +115,39 @@ struct sock *pn_find_sock_by_sa(struct net *net, const struct sockaddr_pn *spn)
 /* Deliver a broadcast packet (only in bottom-half) */
 void pn_deliver_sock_broadcast(struct net *net, struct sk_buff *skb)
 {
-	struct hlist_node *node;
-	struct sock *sknode;
+	struct hlist_head *hlist = pnsocks.hlist;
+	unsigned h;
 
 	spin_lock(&pnsocks.lock);
-	sk_for_each(sknode, node, &pnsocks.hlist) {
-		struct sk_buff *clone;
+	for (h = 0; h < PN_HASHSIZE; h++) {
+		struct hlist_node *node;
+		struct sock *sknode;
 
-		if (!net_eq(sock_net(sknode), net))
-			continue;
-		if (!sock_flag(sknode, SOCK_BROADCAST))
-			continue;
+		sk_for_each(sknode, node, hlist) {
+			struct sk_buff *clone;
 
-		clone = skb_clone(skb, GFP_ATOMIC);
-		if (clone) {
-			sock_hold(sknode);
-			sk_receive_skb(sknode, clone, 0);
+			if (!net_eq(sock_net(sknode), net))
+				continue;
+			if (!sock_flag(sknode, SOCK_BROADCAST))
+				continue;
+
+			clone = skb_clone(skb, GFP_ATOMIC);
+			if (clone) {
+				sock_hold(sknode);
+				sk_receive_skb(sknode, clone, 0);
+			}
 		}
+		hlist++;
 	}
 	spin_unlock(&pnsocks.lock);
 }
 
 void pn_sock_hash(struct sock *sk)
 {
+	struct hlist_head *hlist = pn_hash_list(pn_sk(sk)->sobject);
+
 	spin_lock_bh(&pnsocks.lock);
-	sk_add_node(sk, &pnsocks.hlist);
+	sk_add_node(sk, hlist);
 	spin_unlock_bh(&pnsocks.lock);
 }
 EXPORT_SYMBOL(pn_sock_hash);
@@ -439,15 +463,20 @@ EXPORT_SYMBOL(pn_sock_get_port);
 static struct sock *pn_sock_get_idx(struct seq_file *seq, loff_t pos)
 {
 	struct net *net = seq_file_net(seq);
+	struct hlist_head *hlist = pnsocks.hlist;
 	struct hlist_node *node;
 	struct sock *sknode;
+	unsigned h;
 
-	sk_for_each(sknode, node, &pnsocks.hlist) {
-		if (!net_eq(net, sock_net(sknode)))
-			continue;
-		if (!pos)
-			return sknode;
-		pos--;
+	for (h = 0; h < PN_HASHSIZE; h++) {
+		sk_for_each(sknode, node, hlist) {
+			if (!net_eq(net, sock_net(sknode)))
+				continue;
+			if (!pos)
+				return sknode;
+			pos--;
+		}
+		hlist++;
 	}
 	return NULL;
 }
-- 
GitLab


From b1704374fd525e50c44e1a03098728f64231a6f5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Denis-Courmont?= <remi.denis-courmont@nokia.com>
Date: Mon, 9 Nov 2009 04:06:40 +0000
Subject: [PATCH 1058/1815] Phonet: allocate and copy for pipe TX without sock
 lock
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/phonet/pep.c | 29 ++++++++++++-----------------
 1 file changed, 12 insertions(+), 17 deletions(-)

diff --git a/net/phonet/pep.c b/net/phonet/pep.c
index cbaa1d67d77..bdc17bdad36 100644
--- a/net/phonet/pep.c
+++ b/net/phonet/pep.c
@@ -843,7 +843,7 @@ static int pep_sendmsg(struct kiocb *iocb, struct sock *sk,
 			struct msghdr *msg, size_t len)
 {
 	struct pep_sock *pn = pep_sk(sk);
-	struct sk_buff *skb = NULL;
+	struct sk_buff *skb;
 	long timeo;
 	int flags = msg->msg_flags;
 	int err, done;
@@ -851,6 +851,16 @@ static int pep_sendmsg(struct kiocb *iocb, struct sock *sk,
 	if (msg->msg_flags & MSG_OOB || !(msg->msg_flags & MSG_EOR))
 		return -EOPNOTSUPP;
 
+	skb = sock_alloc_send_skb(sk, MAX_PNPIPE_HEADER + len,
+					flags & MSG_DONTWAIT, &err);
+	if (!skb)
+		return -ENOBUFS;
+
+	skb_reserve(skb, MAX_PHONET_HEADER + 3);
+	err = memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len);
+	if (err < 0)
+		goto outfree;
+
 	lock_sock(sk);
 	timeo = sock_sndtimeo(sk, flags & MSG_DONTWAIT);
 	if ((1 << sk->sk_state) & (TCPF_LISTEN|TCPF_CLOSE)) {
@@ -894,28 +904,13 @@ disabled:
 			goto disabled;
 	}
 
-	if (!skb) {
-		skb = sock_alloc_send_skb(sk, MAX_PNPIPE_HEADER + len,
-						flags & MSG_DONTWAIT, &err);
-		if (skb == NULL)
-			goto out;
-		skb_reserve(skb, MAX_PHONET_HEADER + 3);
-
-		if (sk->sk_state != TCP_ESTABLISHED ||
-		    !atomic_read(&pn->tx_credits))
-			goto disabled; /* sock_alloc_send_skb might sleep */
-	}
-
-	err = memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len);
-	if (err < 0)
-		goto out;
-
 	err = pipe_skb_send(sk, skb);
 	if (err >= 0)
 		err = len; /* success! */
 	skb = NULL;
 out:
 	release_sock(sk);
+outfree:
 	kfree_skb(skb);
 	return err;
 }
-- 
GitLab


From d6a2f98b0128ad1225f959610ba21b6679b7cd96 Mon Sep 17 00:00:00 2001
From: Eilon Greenstein <eilong@broadcom.com>
Date: Mon, 9 Nov 2009 06:09:22 +0000
Subject: [PATCH 1059/1815] bnx2x: GSO implies CSUM offload

Making sure that whenever the FW/HW is configured for GSO, it is also
configured to CSUM offload

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2x_main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 5b6c68abccd..47d67e6aabc 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -11129,10 +11129,10 @@ static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
 	}
 
 	if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4)
-		rc |= XMIT_GSO_V4;
+		rc |= (XMIT_GSO_V4 | XMIT_CSUM_V4 | XMIT_CSUM_TCP);
 
 	else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
-		rc |= XMIT_GSO_V6;
+		rc |= (XMIT_GSO_V6 | XMIT_CSUM_TCP | XMIT_CSUM_V6);
 
 	return rc;
 }
-- 
GitLab


From 91545f6e588c601d1dff01d396155d973db83a31 Mon Sep 17 00:00:00 2001
From: Eilon Greenstein <eilong@broadcom.com>
Date: Mon, 9 Nov 2009 06:09:28 +0000
Subject: [PATCH 1060/1815] bnx2x: Remove misleading error print

Failing to allocate MSI-X vectors is not an error and should not be
printed as such

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2x_main.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 47d67e6aabc..ed56973794e 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -7486,11 +7486,6 @@ static int bnx2x_set_int_mode(struct bnx2x *bp)
 		rc = bnx2x_enable_msix(bp);
 		if (rc) {
 			/* failed to enable MSI-X */
-			if (bp->multi_mode)
-				BNX2X_ERR("Multi requested but failed to "
-					  "enable MSI-X (rx %d tx %d), "
-					  "set number of queues to 1\n",
-					  bp->num_rx_queues, bp->num_tx_queues);
 			bp->num_rx_queues = 1;
 			bp->num_tx_queues = 1;
 		}
-- 
GitLab


From 7d323bfdc056a9142b8bdbab88e4d3ac6e4989e4 Mon Sep 17 00:00:00 2001
From: Eilon Greenstein <eilong@broadcom.com>
Date: Mon, 9 Nov 2009 06:09:35 +0000
Subject: [PATCH 1061/1815] bnx2x: Change coalescing granularity to 4us

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2x.h      |  2 +-
 drivers/net/bnx2x_main.c | 13 +++++++------
 2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/drivers/net/bnx2x.h b/drivers/net/bnx2x.h
index c3b32f71e02..928942b74ce 100644
--- a/drivers/net/bnx2x.h
+++ b/drivers/net/bnx2x.h
@@ -1191,7 +1191,7 @@ static inline u32 reg_poll(struct bnx2x *bp, u32 reg, u32 expected, int ms,
 #define MAX_SP_DESC_CNT			(SP_DESC_CNT - 1)
 
 
-#define BNX2X_BTR			3
+#define BNX2X_BTR			1
 #define MAX_SPQ_PENDING			8
 
 
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index ed56973794e..08e6a35cfc2 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -4928,21 +4928,21 @@ static void bnx2x_update_coalesce(struct bnx2x *bp)
 		REG_WR8(bp, BAR_CSTRORM_INTMEM +
 			CSTORM_SB_HC_TIMEOUT_U_OFFSET(port, sb_id,
 						      U_SB_ETH_RX_CQ_INDEX),
-			bp->rx_ticks/12);
+			bp->rx_ticks/(4 * BNX2X_BTR));
 		REG_WR16(bp, BAR_CSTRORM_INTMEM +
 			 CSTORM_SB_HC_DISABLE_U_OFFSET(port, sb_id,
 						       U_SB_ETH_RX_CQ_INDEX),
-			 (bp->rx_ticks/12) ? 0 : 1);
+			 (bp->rx_ticks/(4 * BNX2X_BTR)) ? 0 : 1);
 
 		/* HC_INDEX_C_ETH_TX_CQ_CONS */
 		REG_WR8(bp, BAR_CSTRORM_INTMEM +
 			CSTORM_SB_HC_TIMEOUT_C_OFFSET(port, sb_id,
 						      C_SB_ETH_TX_CQ_INDEX),
-			bp->tx_ticks/12);
+			bp->tx_ticks/(4 * BNX2X_BTR));
 		REG_WR16(bp, BAR_CSTRORM_INTMEM +
 			 CSTORM_SB_HC_DISABLE_C_OFFSET(port, sb_id,
 						       C_SB_ETH_TX_CQ_INDEX),
-			 (bp->tx_ticks/12) ? 0 : 1);
+			 (bp->tx_ticks/(4 * BNX2X_BTR)) ? 0 : 1);
 	}
 }
 
@@ -9016,8 +9016,9 @@ static int __devinit bnx2x_init_bp(struct bnx2x *bp)
 
 	bp->rx_csum = 1;
 
-	bp->tx_ticks = 50;
-	bp->rx_ticks = 25;
+	/* make sure that the numbers are in the right granularity */
+	bp->tx_ticks = (50 / (4 * BNX2X_BTR)) * (4 * BNX2X_BTR);
+	bp->rx_ticks = (25 / (4 * BNX2X_BTR)) * (4 * BNX2X_BTR);
 
 	timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
 	bp->current_interval = (poll ? poll : timer_interval);
-- 
GitLab


From 0ab365f463b9c5c8b76476a1808dfde1c38f6f19 Mon Sep 17 00:00:00 2001
From: Eilon Greenstein <eilong@broadcom.com>
Date: Mon, 9 Nov 2009 06:09:37 +0000
Subject: [PATCH 1062/1815] bnx2x: version 1.52.1-4

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2x_main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 08e6a35cfc2..e2cf686d111 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -57,8 +57,8 @@
 #include "bnx2x_init_ops.h"
 #include "bnx2x_dump.h"
 
-#define DRV_MODULE_VERSION	"1.52.1-3"
-#define DRV_MODULE_RELDATE	"2009/11/05"
+#define DRV_MODULE_VERSION	"1.52.1-4"
+#define DRV_MODULE_RELDATE	"2009/11/09"
 #define BNX2X_BC_VER		0x040200
 
 #include <linux/firmware.h>
-- 
GitLab


From 30fff9231fad757c061285e347b33c5149c2c2e4 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Mon, 9 Nov 2009 05:26:33 +0000
Subject: [PATCH 1063/1815] udp: bind() optimisation

UDP bind() can be O(N^2) in some pathological cases.

Thanks to secondary hash tables, we can make it O(N)

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/udp.h |  6 ++++
 include/net/udp.h   |  3 +-
 net/ipv4/udp.c      | 73 ++++++++++++++++++++++++++++++++++++++++-----
 net/ipv6/udp.c      | 14 ++++-----
 4 files changed, 80 insertions(+), 16 deletions(-)

diff --git a/include/linux/udp.h b/include/linux/udp.h
index 59f0ddf2d28..03f72a2ba02 100644
--- a/include/linux/udp.h
+++ b/include/linux/udp.h
@@ -88,6 +88,12 @@ static inline struct udp_sock *udp_sk(const struct sock *sk)
 	return (struct udp_sock *)sk;
 }
 
+#define udp_portaddr_for_each_entry(__sk, node, list) \
+	hlist_nulls_for_each_entry(__sk, node, list, __sk_common.skc_portaddr_node)
+
+#define udp_portaddr_for_each_entry_rcu(__sk, node, list) \
+	hlist_nulls_for_each_entry_rcu(__sk, node, list, __sk_common.skc_portaddr_node)
+
 #define IS_UDPLITE(__sk) (udp_sk(__sk)->pcflag)
 
 #endif
diff --git a/include/net/udp.h b/include/net/udp.h
index af41850f742..5348d80b25b 100644
--- a/include/net/udp.h
+++ b/include/net/udp.h
@@ -158,7 +158,8 @@ static inline void udp_lib_close(struct sock *sk, long timeout)
 }
 
 extern int	udp_lib_get_port(struct sock *sk, unsigned short snum,
-		int (*)(const struct sock*,const struct sock*));
+		int (*)(const struct sock *,const struct sock *),
+		unsigned int hash2_nulladdr);
 
 /* net/ipv4/udp.c */
 extern int	udp_get_port(struct sock *sk, unsigned short snum,
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index d73e9170536..1eaf57567eb 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -152,16 +152,49 @@ static int udp_lib_lport_inuse(struct net *net, __u16 num,
 	return 0;
 }
 
+/*
+ * Note: we still hold spinlock of primary hash chain, so no other writer
+ * can insert/delete a socket with local_port == num
+ */
+static int udp_lib_lport_inuse2(struct net *net, __u16 num,
+			       struct udp_hslot *hslot2,
+			       struct sock *sk,
+			       int (*saddr_comp)(const struct sock *sk1,
+						 const struct sock *sk2))
+{
+	struct sock *sk2;
+	struct hlist_nulls_node *node;
+	int res = 0;
+
+	spin_lock(&hslot2->lock);
+	udp_portaddr_for_each_entry(sk2, node, &hslot2->head)
+		if (net_eq(sock_net(sk2), net)			&&
+		    sk2 != sk					&&
+		    (udp_sk(sk2)->udp_port_hash == num)		&&
+		    (!sk2->sk_reuse || !sk->sk_reuse)		&&
+		    (!sk2->sk_bound_dev_if || !sk->sk_bound_dev_if
+			|| sk2->sk_bound_dev_if == sk->sk_bound_dev_if) &&
+		    (*saddr_comp)(sk, sk2)) {
+			res = 1;
+			break;
+		}
+	spin_unlock(&hslot2->lock);
+	return res;
+}
+
 /**
  *  udp_lib_get_port  -  UDP/-Lite port lookup for IPv4 and IPv6
  *
  *  @sk:          socket struct in question
  *  @snum:        port number to look up
  *  @saddr_comp:  AF-dependent comparison of bound local IP addresses
+ *  @hash2_nulladdr: AF-dependant hash value in secondary hash chains,
+ *                   with NULL address
  */
 int udp_lib_get_port(struct sock *sk, unsigned short snum,
 		       int (*saddr_comp)(const struct sock *sk1,
-					 const struct sock *sk2))
+					 const struct sock *sk2),
+		     unsigned int hash2_nulladdr)
 {
 	struct udp_hslot *hslot, *hslot2;
 	struct udp_table *udptable = sk->sk_prot->h.udp_table;
@@ -210,6 +243,30 @@ int udp_lib_get_port(struct sock *sk, unsigned short snum,
 	} else {
 		hslot = udp_hashslot(udptable, net, snum);
 		spin_lock_bh(&hslot->lock);
+		if (hslot->count > 10) {
+			int exist;
+			unsigned int slot2 = udp_sk(sk)->udp_portaddr_hash ^ snum;
+
+			slot2          &= udptable->mask;
+			hash2_nulladdr &= udptable->mask;
+
+			hslot2 = udp_hashslot2(udptable, slot2);
+			if (hslot->count < hslot2->count)
+				goto scan_primary_hash;
+
+			exist = udp_lib_lport_inuse2(net, snum, hslot2,
+						     sk, saddr_comp);
+			if (!exist && (hash2_nulladdr != slot2)) {
+				hslot2 = udp_hashslot2(udptable, hash2_nulladdr);
+				exist = udp_lib_lport_inuse2(net, snum, hslot2,
+							     sk, saddr_comp);
+			}
+			if (exist)
+				goto fail_unlock;
+			else
+				goto found;
+		}
+scan_primary_hash:
 		if (udp_lib_lport_inuse(net, snum, hslot, NULL, sk,
 					saddr_comp, 0))
 			goto fail_unlock;
@@ -255,12 +312,14 @@ static unsigned int udp4_portaddr_hash(struct net *net, __be32 saddr,
 
 int udp_v4_get_port(struct sock *sk, unsigned short snum)
 {
+	unsigned int hash2_nulladdr =
+		udp4_portaddr_hash(sock_net(sk), INADDR_ANY, snum);
+	unsigned int hash2_partial =
+		udp4_portaddr_hash(sock_net(sk), inet_sk(sk)->inet_rcv_saddr, 0);
+
 	/* precompute partial secondary hash */
-	udp_sk(sk)->udp_portaddr_hash =
-		udp4_portaddr_hash(sock_net(sk),
-				   inet_sk(sk)->inet_rcv_saddr,
-				   0);
-	return udp_lib_get_port(sk, snum, ipv4_rcv_saddr_equal);
+	udp_sk(sk)->udp_portaddr_hash = hash2_partial;
+	return udp_lib_get_port(sk, snum, ipv4_rcv_saddr_equal, hash2_nulladdr);
 }
 
 static inline int compute_score(struct sock *sk, struct net *net, __be32 saddr,
@@ -336,8 +395,6 @@ static inline int compute_score2(struct sock *sk, struct net *net,
 	return score;
 }
 
-#define udp_portaddr_for_each_entry_rcu(__sk, node, list) \
-	hlist_nulls_for_each_entry_rcu(__sk, node, list, __sk_common.skc_portaddr_node)
 
 /* called with read_rcu_lock() */
 static struct sock *udp4_lib_lookup2(struct net *net,
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 2915e1dad72..f4c85b20005 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -100,12 +100,14 @@ static unsigned int udp6_portaddr_hash(struct net *net,
 
 int udp_v6_get_port(struct sock *sk, unsigned short snum)
 {
+	unsigned int hash2_nulladdr =
+		udp6_portaddr_hash(sock_net(sk), &in6addr_any, snum);
+	unsigned int hash2_partial = 
+		udp6_portaddr_hash(sock_net(sk), &inet6_sk(sk)->rcv_saddr, 0);
+
 	/* precompute partial secondary hash */
-	udp_sk(sk)->udp_portaddr_hash =
-		udp6_portaddr_hash(sock_net(sk),
-				   &inet6_sk(sk)->rcv_saddr,
-				   0);
-	return udp_lib_get_port(sk, snum, ipv6_rcv_saddr_equal);
+	udp_sk(sk)->udp_portaddr_hash = hash2_partial;
+	return udp_lib_get_port(sk, snum, ipv6_rcv_saddr_equal, hash2_nulladdr);
 }
 
 static inline int compute_score(struct sock *sk, struct net *net,
@@ -181,8 +183,6 @@ static inline int compute_score2(struct sock *sk, struct net *net,
 	return score;
 }
 
-#define udp_portaddr_for_each_entry_rcu(__sk, node, list) \
-	hlist_nulls_for_each_entry_rcu(__sk, node, list, __sk_common.skc_portaddr_node)
 
 /* called with read_rcu_lock() */
 static struct sock *udp6_lib_lookup2(struct net *net,
-- 
GitLab


From 8cbd9623da7e7a99c6bd0f0b7d21d17c233c6abb Mon Sep 17 00:00:00 2001
From: Marin Mitov <mitov@issp.bas.bg>
Date: Sun, 8 Nov 2009 05:59:27 +0000
Subject: [PATCH 1064/1815] niu: Use DMA_BIT_MASK(44) instead of deprecated
 DMA_44BIT_MASK

Use DMA_BIT_MASK(44) instead of deprecated DMA_44BIT_MASK

Signed-off-by: Marin Mitov <mitov@issp.bas.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/niu.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/net/niu.c b/drivers/net/niu.c
index 5506f870037..44558fcb56a 100644
--- a/drivers/net/niu.c
+++ b/drivers/net/niu.c
@@ -45,10 +45,6 @@ MODULE_DESCRIPTION("NIU ethernet driver");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(DRV_MODULE_VERSION);
 
-#ifndef DMA_44BIT_MASK
-#define DMA_44BIT_MASK	0x00000fffffffffffULL
-#endif
-
 #ifndef readq
 static u64 readq(void __iomem *reg)
 {
@@ -9918,7 +9914,7 @@ static int __devinit niu_pci_init_one(struct pci_dev *pdev,
 		  PCI_EXP_DEVCTL_RELAX_EN);
 	pci_write_config_word(pdev, pos + PCI_EXP_DEVCTL, val16);
 
-	dma_mask = DMA_44BIT_MASK;
+	dma_mask = DMA_BIT_MASK(44);
 	err = pci_set_dma_mask(pdev, dma_mask);
 	if (!err) {
 		dev->features |= NETIF_F_HIGHDMA;
-- 
GitLab


From 37e8273cd30592d3a82bcb70cbb1bdc4eaeb6b71 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Wed, 4 Nov 2009 15:29:52 +0000
Subject: [PATCH 1065/1815] usbnet: Set link down initially for drivers that
 update link state

Some usbnet drivers update link state while others do not due to
hardware limitations.  Add a flag to distinguish those that do, and
set the link down initially for their devices.

This is intended to fix this bug: http://bugs.debian.org/444043

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/usb/asix.c      | 12 ++++++------
 drivers/net/usb/cdc_ether.c |  2 +-
 drivers/net/usb/dm9601.c    |  2 +-
 drivers/net/usb/usbnet.c    |  4 +++-
 include/linux/usb/usbnet.h  |  1 +
 5 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/drivers/net/usb/asix.c b/drivers/net/usb/asix.c
index 6ce7f775bb7..1bef39a60a6 100644
--- a/drivers/net/usb/asix.c
+++ b/drivers/net/usb/asix.c
@@ -1327,7 +1327,7 @@ static const struct driver_info ax8817x_info = {
 	.status = asix_status,
 	.link_reset = ax88172_link_reset,
 	.reset = ax88172_link_reset,
-	.flags =  FLAG_ETHER,
+	.flags =  FLAG_ETHER | FLAG_LINK_INTR,
 	.data = 0x00130103,
 };
 
@@ -1337,7 +1337,7 @@ static const struct driver_info dlink_dub_e100_info = {
 	.status = asix_status,
 	.link_reset = ax88172_link_reset,
 	.reset = ax88172_link_reset,
-	.flags =  FLAG_ETHER,
+	.flags =  FLAG_ETHER | FLAG_LINK_INTR,
 	.data = 0x009f9d9f,
 };
 
@@ -1347,7 +1347,7 @@ static const struct driver_info netgear_fa120_info = {
 	.status = asix_status,
 	.link_reset = ax88172_link_reset,
 	.reset = ax88172_link_reset,
-	.flags =  FLAG_ETHER,
+	.flags =  FLAG_ETHER | FLAG_LINK_INTR,
 	.data = 0x00130103,
 };
 
@@ -1357,7 +1357,7 @@ static const struct driver_info hawking_uf200_info = {
 	.status = asix_status,
 	.link_reset = ax88172_link_reset,
 	.reset = ax88172_link_reset,
-	.flags =  FLAG_ETHER,
+	.flags =  FLAG_ETHER | FLAG_LINK_INTR,
 	.data = 0x001f1d1f,
 };
 
@@ -1367,7 +1367,7 @@ static const struct driver_info ax88772_info = {
 	.status = asix_status,
 	.link_reset = ax88772_link_reset,
 	.reset = ax88772_link_reset,
-	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
+	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR,
 	.rx_fixup = asix_rx_fixup,
 	.tx_fixup = asix_tx_fixup,
 };
@@ -1378,7 +1378,7 @@ static const struct driver_info ax88178_info = {
 	.status = asix_status,
 	.link_reset = ax88178_link_reset,
 	.reset = ax88178_link_reset,
-	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
+	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR,
 	.rx_fixup = asix_rx_fixup,
 	.tx_fixup = asix_tx_fixup,
 };
diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index 71d7ff3de99..7ec24c9b253 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -413,7 +413,7 @@ static int cdc_bind(struct usbnet *dev, struct usb_interface *intf)
 
 static const struct driver_info	cdc_info = {
 	.description =	"CDC Ethernet Device",
-	.flags =	FLAG_ETHER,
+	.flags =	FLAG_ETHER | FLAG_LINK_INTR,
 	// .check_connect = cdc_check_connect,
 	.bind =		cdc_bind,
 	.unbind =	usbnet_cdc_unbind,
diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c
index a2b30a10064..3d406f9b2f2 100644
--- a/drivers/net/usb/dm9601.c
+++ b/drivers/net/usb/dm9601.c
@@ -611,7 +611,7 @@ static int dm9601_link_reset(struct usbnet *dev)
 
 static const struct driver_info dm9601_info = {
 	.description	= "Davicom DM9601 USB Ethernet",
-	.flags		= FLAG_ETHER,
+	.flags		= FLAG_ETHER | FLAG_LINK_INTR,
 	.bind		= dm9601_bind,
 	.rx_fixup	= dm9601_rx_fixup,
 	.tx_fixup	= dm9601_tx_fixup,
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 378da8c938f..04f3f289e87 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1352,9 +1352,11 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
 	// ok, it's ready to go.
 	usb_set_intfdata (udev, dev);
 
-	// start as if the link is up
 	netif_device_attach (net);
 
+	if (dev->driver_info->flags & FLAG_LINK_INTR)
+		netif_carrier_off(net);
+
 	return 0;
 
 out3:
diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h
index 86c31b75326..8c84881f847 100644
--- a/include/linux/usb/usbnet.h
+++ b/include/linux/usb/usbnet.h
@@ -92,6 +92,7 @@ struct driver_info {
 #define FLAG_SEND_ZLP	0x0200		/* hw requires ZLPs are sent */
 #define FLAG_WWAN	0x0400		/* use "wwan%d" names */
 
+#define FLAG_LINK_INTR	0x0800		/* updates link (carrier) status */
 
 	/* init device ... can sleep, or cause probe() failure */
 	int	(*bind)(struct usbnet *, struct usb_interface *);
-- 
GitLab


From 13cfa97bef0f1172879f98307ac716acf3e9cea9 Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@openvz.org>
Date: Sun, 8 Nov 2009 05:51:19 +0000
Subject: [PATCH 1066/1815] net: netlink_getname, packet_getname -- use
 DECLARE_SOCKADDR guard

Use guard DECLARE_SOCKADDR in a few more places which allow
us to catch if the structure copied back is too big.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/netlink/af_netlink.c | 2 +-
 net/packet/af_packet.c   | 2 +-
 net/unix/af_unix.c       | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index aea805c98da..f30d596dbc5 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -708,7 +708,7 @@ static int netlink_getname(struct socket *sock, struct sockaddr *addr,
 {
 	struct sock *sk = sock->sk;
 	struct netlink_sock *nlk = nlk_sk(sk);
-	struct sockaddr_nl *nladdr = (struct sockaddr_nl *)addr;
+	DECLARE_SOCKADDR(struct sockaddr_nl *, nladdr, addr);
 
 	nladdr->nl_family = AF_NETLINK;
 	nladdr->nl_pad = 0;
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 3304caa6534..c620bd9ae3d 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1537,7 +1537,7 @@ static int packet_getname(struct socket *sock, struct sockaddr *uaddr,
 	struct net_device *dev;
 	struct sock *sk = sock->sk;
 	struct packet_sock *po = pkt_sk(sk);
-	struct sockaddr_ll *sll = (struct sockaddr_ll *)uaddr;
+	DECLARE_SOCKADDR(struct sockaddr_ll *, sll, uaddr);
 
 	if (peer)
 		return -EOPNOTSUPP;
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 178d3af2a60..7553ea6edd8 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -1259,7 +1259,7 @@ static int unix_getname(struct socket *sock, struct sockaddr *uaddr, int *uaddr_
 {
 	struct sock *sk = sock->sk;
 	struct unix_sock *u;
-	struct sockaddr_un *sunaddr = (struct sockaddr_un *)uaddr;
+	DECLARE_SOCKADDR(struct sockaddr_un *, sunaddr, uaddr);
 	int err = 0;
 
 	if (peer) {
-- 
GitLab


From 84d2697d9649339215675551eae28ba04068dea1 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Mon, 9 Nov 2009 12:11:28 +0000
Subject: [PATCH 1067/1815] ipv6: speedup inet6_dump_ifinfo()

When handling large number of netdevice, inet6_dump_ifinfo()
is very slow because it has O(N^2) complexity.

Instead of scanning one single list, we can use the 256 sub lists
of the dev_index hash table, and RCU lookups.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/addrconf.c | 45 ++++++++++++++++++++++++++++-----------------
 1 file changed, 28 insertions(+), 17 deletions(-)

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 024bba30de2..f9f7fd6ee1f 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3823,28 +3823,39 @@ nla_put_failure:
 static int inet6_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
 {
 	struct net *net = sock_net(skb->sk);
-	int idx, err;
-	int s_idx = cb->args[0];
+	int h, s_h;
+	int idx = 0, err, s_idx;
 	struct net_device *dev;
 	struct inet6_dev *idev;
+	struct hlist_head *head;
+	struct hlist_node *node;
 
-	read_lock(&dev_base_lock);
-	idx = 0;
-	for_each_netdev(net, dev) {
-		if (idx < s_idx)
-			goto cont;
-		if ((idev = in6_dev_get(dev)) == NULL)
-			goto cont;
-		err = inet6_fill_ifinfo(skb, idev, NETLINK_CB(cb->skb).pid,
-				cb->nlh->nlmsg_seq, RTM_NEWLINK, NLM_F_MULTI);
-		in6_dev_put(idev);
-		if (err <= 0)
-			break;
+	s_h = cb->args[0];
+	s_idx = cb->args[1];
+
+	rcu_read_lock();
+	for (h = s_h; h < NETDEV_HASHENTRIES; h++, s_idx = 0) {
+		idx = 0;
+		head = &net->dev_index_head[h];
+		hlist_for_each_entry_rcu(dev, node, head, index_hlist) {
+			if (idx < s_idx)
+				goto cont;
+			idev = __in6_dev_get(dev);
+			if (!idev)
+				goto cont;
+			if (inet6_fill_ifinfo(skb, idev,
+					      NETLINK_CB(cb->skb).pid,
+					      cb->nlh->nlmsg_seq,
+					      RTM_NEWLINK, NLM_F_MULTI) <= 0)
+				goto out;
 cont:
-		idx++;
+			idx++;
+		}
 	}
-	read_unlock(&dev_base_lock);
-	cb->args[0] = idx;
+out:
+	rcu_read_unlock();
+	cb->args[1] = idx;
+	cb->args[0] = h;
 
 	return skb->len;
 }
-- 
GitLab


From bcd323262a94b14b84341982b90443a76a477861 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Mon, 9 Nov 2009 07:40:17 +0000
Subject: [PATCH 1068/1815] ipv6: Allow inet6_dump_addr() to handle more than
 64 addresses

Apparently, inet6_dump_addr() is not able to handle more than
64 ipv6 addresses per device. We must break from inner loops
in case skb is full, or else cursor is put at the end of list.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/addrconf.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index f9f7fd6ee1f..0ab39fedd2d 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3519,6 +3519,8 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,
 							cb->nlh->nlmsg_seq,
 							RTM_NEWADDR,
 							NLM_F_MULTI);
+				if (err <= 0)
+					break;
 			}
 			break;
 		case MULTICAST_ADDR:
@@ -3532,6 +3534,8 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,
 							  cb->nlh->nlmsg_seq,
 							  RTM_GETMULTICAST,
 							  NLM_F_MULTI);
+				if (err <= 0)
+					break;
 			}
 			break;
 		case ANYCAST_ADDR:
@@ -3545,6 +3549,8 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,
 							  cb->nlh->nlmsg_seq,
 							  RTM_GETANYCAST,
 							  NLM_F_MULTI);
+				if (err <= 0)
+					break;
 			}
 			break;
 		default:
-- 
GitLab


From 292f4f3ce4b57f17a667cb34c72bca081dcc0281 Mon Sep 17 00:00:00 2001
From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Mon, 9 Nov 2009 08:42:01 +0000
Subject: [PATCH 1069/1815] sit: Clean up DF code by copying from IPIP

This patch rearranges the SIT DF bit handling using the new IPIP DF
code.  The only externally visible effect should be the case where
PMTU is enabled and the MTU is exactly 1280 bytes.  In this case the
previous code would send packets out with DF off while the new code
would set the DF bit.  This is inline with RFC 4213.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

Thanks,
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/sit.c | 42 +++++++++++++++++++++---------------------
 1 file changed, 21 insertions(+), 21 deletions(-)

diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 2362a3397e9..b6e145a673a 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -637,6 +637,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
 	struct iphdr  *tiph = &tunnel->parms.iph;
 	struct ipv6hdr *iph6 = ipv6_hdr(skb);
 	u8     tos = tunnel->parms.iph.tos;
+	__be16 df = tiph->frag_off;
 	struct rtable *rt;     			/* Route to the other host */
 	struct net_device *tdev;			/* Device to other host */
 	struct iphdr  *iph;			/* Our new IP header */
@@ -726,25 +727,28 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
 		goto tx_error;
 	}
 
-	if (tiph->frag_off)
+	if (df) {
 		mtu = dst_mtu(&rt->u.dst) - sizeof(struct iphdr);
-	else
-		mtu = skb_dst(skb) ? dst_mtu(skb_dst(skb)) : dev->mtu;
 
-	if (mtu < 68) {
-		stats->collisions++;
-		ip_rt_put(rt);
-		goto tx_error;
-	}
-	if (mtu < IPV6_MIN_MTU)
-		mtu = IPV6_MIN_MTU;
-	if (tunnel->parms.iph.daddr && skb_dst(skb))
-		skb_dst(skb)->ops->update_pmtu(skb_dst(skb), mtu);
+		if (mtu < 68) {
+			stats->collisions++;
+			ip_rt_put(rt);
+			goto tx_error;
+		}
 
-	if (skb->len > mtu) {
-		icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, dev);
-		ip_rt_put(rt);
-		goto tx_error;
+		if (mtu < IPV6_MIN_MTU) {
+			mtu = IPV6_MIN_MTU;
+			df = 0;
+		}
+
+		if (tunnel->parms.iph.daddr && skb_dst(skb))
+			skb_dst(skb)->ops->update_pmtu(skb_dst(skb), mtu);
+
+		if (skb->len > mtu) {
+			icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, dev);
+			ip_rt_put(rt);
+			goto tx_error;
+		}
 	}
 
 	if (tunnel->err_count > 0) {
@@ -792,11 +796,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
 	iph 			=	ip_hdr(skb);
 	iph->version		=	4;
 	iph->ihl		=	sizeof(struct iphdr)>>2;
-	if (mtu > IPV6_MIN_MTU)
-		iph->frag_off	=	tiph->frag_off;
-	else
-		iph->frag_off	=	0;
-
+	iph->frag_off		=	df;
 	iph->protocol		=	IPPROTO_IPV6;
 	iph->tos		=	INET_ECN_encapsulate(tos, ipv6_get_dsfield(iph6));
 	iph->daddr		=	rt->rt_dst;
-- 
GitLab


From 246c65add098a5ec14310ea17f39fdd57ff8407d Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Mon, 9 Nov 2009 18:07:28 +0000
Subject: [PATCH 1070/1815] parisc: led: Use for_each_netdev_rcu()

Use for_each_netdev_rcu() and dont lock dev_base_lock anymore

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/parisc/led.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/parisc/led.c b/drivers/parisc/led.c
index 9581d361945..79caf1ca4a2 100644
--- a/drivers/parisc/led.c
+++ b/drivers/parisc/led.c
@@ -352,11 +352,9 @@ static __inline__ int led_get_net_activity(void)
 
 	rx_total = tx_total = 0;
 	
-	/* we are running as a workqueue task, so locking dev_base 
-	 * for reading should be OK */
-	read_lock(&dev_base_lock);
+	/* we are running as a workqueue task, so we can use an RCU lookup */
 	rcu_read_lock();
-	for_each_netdev(&init_net, dev) {
+	for_each_netdev_rcu(&init_net, dev) {
 	    const struct net_device_stats *stats;
 	    struct in_device *in_dev = __in_dev_get_rcu(dev);
 	    if (!in_dev || !in_dev->ifa_list)
@@ -368,7 +366,6 @@ static __inline__ int led_get_net_activity(void)
 	    tx_total += stats->tx_packets;
 	}
 	rcu_read_unlock();
-	read_unlock(&dev_base_lock);
 
 	retval = 0;
 
-- 
GitLab


From 856540ee3116ac04a49bc06c2f30f54dd3faf7db Mon Sep 17 00:00:00 2001
From: Brian Haley <brian.haley@hp.com>
Date: Mon, 9 Nov 2009 12:05:53 +0000
Subject: [PATCH 1071/1815] IPv6: use ipv6_addr_v4mapped()

Change udp6_portaddr_hash() to use ipv6_addr_v4mapped()
inline instead of ipv6_addr_type().

Signed-off-by: Brian Haley <brian.haley@hp.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/udp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index f4c85b20005..69ebdbe78c4 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -89,7 +89,7 @@ static unsigned int udp6_portaddr_hash(struct net *net,
 
 	if (ipv6_addr_any(addr6))
 		hash = jhash_1word(0, mix);
-	else if (ipv6_addr_type(addr6) == IPV6_ADDR_MAPPED)
+	else if (ipv6_addr_v4mapped(addr6))
 		hash = jhash_1word(addr6->s6_addr32[3], mix);
 	else
 		hash = jhash2(addr6->s6_addr32, 4, mix);
-- 
GitLab


From 254245d23396aca1f9100d500163d7bd6019ab6f Mon Sep 17 00:00:00 2001
From: stephen hemminger <shemminger@vyatta.com>
Date: Tue, 10 Nov 2009 07:54:47 +0000
Subject: [PATCH 1072/1815] netdev: add netdev_continue_rcu

This adds an RCU macro for continuing search, useful for some
network devices like vlan.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/netdevice.h |  2 ++
 include/linux/rculist.h   | 14 ++++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 465add6c43e..083b5989cec 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1079,6 +1079,8 @@ extern rwlock_t				dev_base_lock;		/* Device list lock */
 		list_for_each_entry_safe(d, n, &(net)->dev_base_head, dev_list)
 #define for_each_netdev_continue(net, d)		\
 		list_for_each_entry_continue(d, &(net)->dev_base_head, dev_list)
+#define for_each_netdev_continue_rcu(net, d)		\
+	list_for_each_entry_continue_rcu(d, &(net)->dev_base_head, dev_list)
 #define net_device_entry(lh)	list_entry(lh, struct net_device, dev_list)
 
 static inline struct net_device *next_net_device(struct net_device *dev)
diff --git a/include/linux/rculist.h b/include/linux/rculist.h
index 5710f43bbc9..1bf0f708c4f 100644
--- a/include/linux/rculist.h
+++ b/include/linux/rculist.h
@@ -261,6 +261,20 @@ static inline void list_splice_init_rcu(struct list_head *list,
 		prefetch((pos)->next), (pos) != (head); \
 		(pos) = rcu_dereference((pos)->next))
 
+/**
+ * list_for_each_entry_continue_rcu - continue iteration over list of given type
+ * @pos:	the type * to use as a loop cursor.
+ * @head:	the head for your list.
+ * @member:	the name of the list_struct within the struct.
+ *
+ * Continue to iterate over list of given type, continuing after
+ * the current position.
+ */
+#define list_for_each_entry_continue_rcu(pos, head, member) 		\
+	for (pos = list_entry_rcu(pos->member.next, typeof(*pos), member); \
+	     prefetch(pos->member.next), &pos->member != (head);	\
+	     pos = list_entry_rcu(pos->member.next, typeof(*pos), member))
+
 /**
  * hlist_del_rcu - deletes entry from hash list without re-initialization
  * @n: the element to delete from the hash list.
-- 
GitLab


From 9e067597ee0e51a07bc158e9e2703ca676920e8b Mon Sep 17 00:00:00 2001
From: stephen hemminger <shemminger@vyatta.com>
Date: Tue, 10 Nov 2009 07:54:48 +0000
Subject: [PATCH 1073/1815] vlan: eliminate use of dev_base_lock

Do not need to use read_lock(&dev_base_lock), use RCU instead.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/8021q/vlanproc.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/net/8021q/vlanproc.c b/net/8021q/vlanproc.c
index 6262c335f3c..9ec1f057c03 100644
--- a/net/8021q/vlanproc.c
+++ b/net/8021q/vlanproc.c
@@ -201,18 +201,17 @@ int vlan_proc_rem_dev(struct net_device *vlandev)
 
 /* start read of /proc/net/vlan/config */
 static void *vlan_seq_start(struct seq_file *seq, loff_t *pos)
-	__acquires(dev_base_lock)
+	__acquires(rcu)
 {
 	struct net_device *dev;
 	struct net *net = seq_file_net(seq);
 	loff_t i = 1;
 
-	read_lock(&dev_base_lock);
-
+	rcu_read_lock();
 	if (*pos == 0)
 		return SEQ_START_TOKEN;
 
-	for_each_netdev(net, dev) {
+	for_each_netdev_rcu(net, dev) {
 		if (!is_vlan_dev(dev))
 			continue;
 
@@ -234,7 +233,7 @@ static void *vlan_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 	if (v == SEQ_START_TOKEN)
 		dev = net_device_entry(&net->dev_base_head);
 
-	for_each_netdev_continue(net, dev) {
+	for_each_netdev_continue_rcu(net, dev) {
 		if (!is_vlan_dev(dev))
 			continue;
 
@@ -245,9 +244,9 @@ static void *vlan_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 }
 
 static void vlan_seq_stop(struct seq_file *seq, void *v)
-	__releases(dev_base_lock)
+	__releases(rcu)
 {
-	read_unlock(&dev_base_lock);
+	rcu_read_unlock();
 }
 
 static int vlan_seq_show(struct seq_file *seq, void *v)
-- 
GitLab


From f1e9016da6d0f16551d90085758ae45d26826118 Mon Sep 17 00:00:00 2001
From: stephen hemminger <shemminger@vyatta.com>
Date: Tue, 10 Nov 2009 07:54:49 +0000
Subject: [PATCH 1074/1815] net: use rcu for network scheduler API

Use RCU to walk list of network devices in qdisc dump.
This could be optimized for large number of devices.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/sched/sch_api.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 1acfd29cc82..876ba4bb6ae 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -1279,9 +1279,10 @@ static int tc_dump_qdisc(struct sk_buff *skb, struct netlink_callback *cb)
 
 	s_idx = cb->args[0];
 	s_q_idx = q_idx = cb->args[1];
-	read_lock(&dev_base_lock);
+
+	rcu_read_lock();
 	idx = 0;
-	for_each_netdev(&init_net, dev) {
+	for_each_netdev_rcu(&init_net, dev) {
 		struct netdev_queue *dev_queue;
 
 		if (idx < s_idx)
@@ -1302,7 +1303,7 @@ cont:
 	}
 
 done:
-	read_unlock(&dev_base_lock);
+	rcu_read_unlock();
 
 	cb->args[0] = idx;
 	cb->args[1] = q_idx;
-- 
GitLab


From e576b9ef41c2c1b13e0c123b6e9d0589723c68bf Mon Sep 17 00:00:00 2001
From: stephen hemminger <shemminger@vyatta.com>
Date: Tue, 10 Nov 2009 07:54:52 +0000
Subject: [PATCH 1075/1815] s390: use RCU to walk list of network devices

This is similar to other cases where for_each_netdev_rcu
can be used when gathering information.

By inspection, don't have platform or cross-build environment
to validate.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 arch/s390/appldata/appldata_net_sum.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/arch/s390/appldata/appldata_net_sum.c b/arch/s390/appldata/appldata_net_sum.c
index fa741f84c5b..4ce7fa95880 100644
--- a/arch/s390/appldata/appldata_net_sum.c
+++ b/arch/s390/appldata/appldata_net_sum.c
@@ -83,8 +83,9 @@ static void appldata_get_net_sum_data(void *data)
 	rx_dropped = 0;
 	tx_dropped = 0;
 	collisions = 0;
-	read_lock(&dev_base_lock);
-	for_each_netdev(&init_net, dev) {
+
+	rcu_read_lock();
+	for_each_netdev_rcu(&init_net, dev) {
 		const struct net_device_stats *stats = dev_get_stats(dev);
 
 		rx_packets += stats->rx_packets;
@@ -98,7 +99,8 @@ static void appldata_get_net_sum_data(void *data)
 		collisions += stats->collisions;
 		i++;
 	}
-	read_unlock(&dev_base_lock);
+	rcu_read_unlock();
+
 	net_data->nr_interfaces = i;
 	net_data->rx_packets = rx_packets;
 	net_data->tx_packets = tx_packets;
-- 
GitLab


From fa918602b61a71b4a9f47861b7e65c70258516c1 Mon Sep 17 00:00:00 2001
From: stephen hemminger <shemminger@vyatta.com>
Date: Tue, 10 Nov 2009 07:54:53 +0000
Subject: [PATCH 1076/1815] decnet: use RCU to find network devices

When showing device statistics use RCU rather than read_lock(&dev_base_lock)
Compile tested only.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/decnet/dn_dev.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index d82694d930b..b5ef237c8a7 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -856,9 +856,7 @@ int dn_dev_bind_default(__le16 *addr)
 	dev = dn_dev_get_default();
 last_chance:
 	if (dev) {
-		read_lock(&dev_base_lock);
 		rv = dn_dev_get_first(dev, addr);
-		read_unlock(&dev_base_lock);
 		dev_put(dev);
 		if (rv == 0 || dev == init_net.loopback_dev)
 			return rv;
@@ -1323,18 +1321,18 @@ static inline int is_dn_dev(struct net_device *dev)
 }
 
 static void *dn_dev_seq_start(struct seq_file *seq, loff_t *pos)
-	__acquires(&dev_base_lock)
+	__acquires(rcu)
 {
 	int i;
 	struct net_device *dev;
 
-	read_lock(&dev_base_lock);
+	rcu_read_lock();
 
 	if (*pos == 0)
 		return SEQ_START_TOKEN;
 
 	i = 1;
-	for_each_netdev(&init_net, dev) {
+	for_each_netdev_rcu(&init_net, dev) {
 		if (!is_dn_dev(dev))
 			continue;
 
@@ -1355,7 +1353,7 @@ static void *dn_dev_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 	if (v == SEQ_START_TOKEN)
 		dev = net_device_entry(&init_net.dev_base_head);
 
-	for_each_netdev_continue(&init_net, dev) {
+	for_each_netdev_continue_rcu(&init_net, dev) {
 		if (!is_dn_dev(dev))
 			continue;
 
@@ -1366,9 +1364,9 @@ static void *dn_dev_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 }
 
 static void dn_dev_seq_stop(struct seq_file *seq, void *v)
-	__releases(&dev_base_lock)
+	__releases(rcu)
 {
-	read_unlock(&dev_base_lock);
+	rcu_read_unlock();
 }
 
 static char *dn_type2asc(char type)
-- 
GitLab


From 61fbab77a843d2e772322ac130715cc9a98bf718 Mon Sep 17 00:00:00 2001
From: stephen hemminger <shemminger@vyatta.com>
Date: Tue, 10 Nov 2009 07:54:55 +0000
Subject: [PATCH 1077/1815] IPV4: use rcu to walk list of devices in IGMP

This also needs to be optimized for large number of devices.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/igmp.c | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index d41e5de79a8..bd24f6560a4 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -2311,7 +2311,7 @@ static inline struct ip_mc_list *igmp_mc_get_first(struct seq_file *seq)
 	struct igmp_mc_iter_state *state = igmp_mc_seq_private(seq);
 
 	state->in_dev = NULL;
-	for_each_netdev(net, state->dev) {
+	for_each_netdev_rcu(net, state->dev) {
 		struct in_device *in_dev;
 		in_dev = in_dev_get(state->dev);
 		if (!in_dev)
@@ -2361,9 +2361,9 @@ static struct ip_mc_list *igmp_mc_get_idx(struct seq_file *seq, loff_t pos)
 }
 
 static void *igmp_mc_seq_start(struct seq_file *seq, loff_t *pos)
-	__acquires(dev_base_lock)
+	__acquires(rcu)
 {
-	read_lock(&dev_base_lock);
+	rcu_read_lock();
 	return *pos ? igmp_mc_get_idx(seq, *pos - 1) : SEQ_START_TOKEN;
 }
 
@@ -2379,7 +2379,7 @@ static void *igmp_mc_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 }
 
 static void igmp_mc_seq_stop(struct seq_file *seq, void *v)
-	__releases(dev_base_lock)
+	__releases(rcu)
 {
 	struct igmp_mc_iter_state *state = igmp_mc_seq_private(seq);
 	if (likely(state->in_dev != NULL)) {
@@ -2388,7 +2388,7 @@ static void igmp_mc_seq_stop(struct seq_file *seq, void *v)
 		state->in_dev = NULL;
 	}
 	state->dev = NULL;
-	read_unlock(&dev_base_lock);
+	rcu_read_unlock();
 }
 
 static int igmp_mc_seq_show(struct seq_file *seq, void *v)
@@ -2462,7 +2462,7 @@ static inline struct ip_sf_list *igmp_mcf_get_first(struct seq_file *seq)
 
 	state->idev = NULL;
 	state->im = NULL;
-	for_each_netdev(net, state->dev) {
+	for_each_netdev_rcu(net, state->dev) {
 		struct in_device *idev;
 		idev = in_dev_get(state->dev);
 		if (unlikely(idev == NULL))
@@ -2528,8 +2528,9 @@ static struct ip_sf_list *igmp_mcf_get_idx(struct seq_file *seq, loff_t pos)
 }
 
 static void *igmp_mcf_seq_start(struct seq_file *seq, loff_t *pos)
+	__acquires(rcu)
 {
-	read_lock(&dev_base_lock);
+	rcu_read_lock();
 	return *pos ? igmp_mcf_get_idx(seq, *pos - 1) : SEQ_START_TOKEN;
 }
 
@@ -2545,6 +2546,7 @@ static void *igmp_mcf_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 }
 
 static void igmp_mcf_seq_stop(struct seq_file *seq, void *v)
+	__releases(rcu)
 {
 	struct igmp_mcf_iter_state *state = igmp_mcf_seq_private(seq);
 	if (likely(state->im != NULL)) {
@@ -2557,7 +2559,7 @@ static void igmp_mcf_seq_stop(struct seq_file *seq, void *v)
 		state->idev = NULL;
 	}
 	state->dev = NULL;
-	read_unlock(&dev_base_lock);
+	rcu_read_unlock();
 }
 
 static int igmp_mcf_seq_show(struct seq_file *seq, void *v)
-- 
GitLab


From ff879eb611dba859c4349048a32789e8c82afa91 Mon Sep 17 00:00:00 2001
From: stephen hemminger <shemminger@vyatta.com>
Date: Tue, 10 Nov 2009 07:54:56 +0000
Subject: [PATCH 1078/1815] CAN: use dev_get_by_index_rcu

Use new function to avoid doing read_lock().

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Oliver Hartkopp <oliver@hartkopp.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/can/bcm.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/net/can/bcm.c b/net/can/bcm.c
index c302c2ec959..e32af52238a 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -139,13 +139,13 @@ static char *bcm_proc_getifname(char *result, int ifindex)
 	if (!ifindex)
 		return "any";
 
-	read_lock(&dev_base_lock);
-	dev = __dev_get_by_index(&init_net, ifindex);
+	rcu_read_lock();
+	dev = dev_get_by_index_rcu(&init_net, ifindex);
 	if (dev)
 		strcpy(result, dev->name);
 	else
 		strcpy(result, "???");
-	read_unlock(&dev_base_lock);
+	rcu_read_unlock();
 
 	return result;
 }
-- 
GitLab


From f54a52021d7ad039c16fe5a1e094d8f0394d90ec Mon Sep 17 00:00:00 2001
From: Michael Buesch <mb@bu3sch.de>
Date: Fri, 6 Nov 2009 18:32:44 +0100
Subject: [PATCH 1079/1815] b43: Rewrite TX bounce buffer handling

Do not mess with the original skb, but allocate an independent bouncebuffer.
This protects against bad interference with mac80211's assumptions about
the skb (which already caused bugs).

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/b43/dma.c  | 48 ++++++++++++++-------------------
 drivers/net/wireless/b43/xmit.h | 19 +++++++++++++
 2 files changed, 39 insertions(+), 28 deletions(-)

diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
index de4e804bedf..b5cd7f57055 100644
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c
@@ -1157,18 +1157,17 @@ struct b43_dmaring *parse_cookie(struct b43_wldev *dev, u16 cookie, int *slot)
 }
 
 static int dma_tx_fragment(struct b43_dmaring *ring,
-			   struct sk_buff **in_skb)
+			   struct sk_buff *skb)
 {
-	struct sk_buff *skb = *in_skb;
 	const struct b43_dma_ops *ops = ring->ops;
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	struct b43_private_tx_info *priv_info = b43_get_priv_tx_info(info);
 	u8 *header;
 	int slot, old_top_slot, old_used_slots;
 	int err;
 	struct b43_dmadesc_generic *desc;
 	struct b43_dmadesc_meta *meta;
 	struct b43_dmadesc_meta *meta_hdr;
-	struct sk_buff *bounce_skb;
 	u16 cookie;
 	size_t hdrsize = b43_txhdr_size(ring->dev);
 
@@ -1212,34 +1211,28 @@ static int dma_tx_fragment(struct b43_dmaring *ring,
 
 	meta->skb = skb;
 	meta->is_last_fragment = 1;
+	priv_info->bouncebuffer = NULL;
 
 	meta->dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1);
 	/* create a bounce buffer in zone_dma on mapping failure. */
 	if (b43_dma_mapping_error(ring, meta->dmaaddr, skb->len, 1)) {
-		bounce_skb = __dev_alloc_skb(skb->len, GFP_ATOMIC | GFP_DMA);
-		if (!bounce_skb) {
+		priv_info->bouncebuffer = kmalloc(skb->len, GFP_ATOMIC | GFP_DMA);
+		if (!priv_info->bouncebuffer) {
 			ring->current_slot = old_top_slot;
 			ring->used_slots = old_used_slots;
 			err = -ENOMEM;
 			goto out_unmap_hdr;
 		}
+		memcpy(priv_info->bouncebuffer, skb->data, skb->len);
 
-		memcpy(skb_put(bounce_skb, skb->len), skb->data, skb->len);
-		memcpy(bounce_skb->cb, skb->cb, sizeof(skb->cb));
-		bounce_skb->dev = skb->dev;
-		skb_set_queue_mapping(bounce_skb, skb_get_queue_mapping(skb));
-		info = IEEE80211_SKB_CB(bounce_skb);
-
-		dev_kfree_skb_any(skb);
-		skb = bounce_skb;
-		*in_skb = bounce_skb;
-		meta->skb = skb;
-		meta->dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1);
+		meta->dmaaddr = map_descbuffer(ring, priv_info->bouncebuffer, skb->len, 1);
 		if (b43_dma_mapping_error(ring, meta->dmaaddr, skb->len, 1)) {
+			kfree(priv_info->bouncebuffer);
+			priv_info->bouncebuffer = NULL;
 			ring->current_slot = old_top_slot;
 			ring->used_slots = old_used_slots;
 			err = -EIO;
-			goto out_free_bounce;
+			goto out_unmap_hdr;
 		}
 	}
 
@@ -1256,8 +1249,6 @@ static int dma_tx_fragment(struct b43_dmaring *ring,
 	ops->poke_tx(ring, next_slot(ring, slot));
 	return 0;
 
-out_free_bounce:
-	dev_kfree_skb_any(skb);
 out_unmap_hdr:
 	unmap_descbuffer(ring, meta_hdr->dmaaddr,
 			 hdrsize, 1);
@@ -1362,11 +1353,7 @@ int b43_dma_tx(struct b43_wldev *dev, struct sk_buff *skb)
 	 * static, so we don't need to store it per frame. */
 	ring->queue_prio = skb_get_queue_mapping(skb);
 
-	/* dma_tx_fragment might reallocate the skb, so invalidate pointers pointing
-	 * into the skb data or cb now. */
-	hdr = NULL;
-	info = NULL;
-	err = dma_tx_fragment(ring, &skb);
+	err = dma_tx_fragment(ring, skb);
 	if (unlikely(err == -ENOKEY)) {
 		/* Drop this packet, as we don't have the encryption key
 		 * anymore and must not transmit it unencrypted. */
@@ -1413,12 +1400,17 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev,
 		B43_WARN_ON(!(slot >= 0 && slot < ring->nr_slots));
 		desc = ops->idx2desc(ring, slot, &meta);
 
-		if (meta->skb)
-			unmap_descbuffer(ring, meta->dmaaddr, meta->skb->len,
-					 1);
-		else
+		if (meta->skb) {
+			struct b43_private_tx_info *priv_info =
+				b43_get_priv_tx_info(IEEE80211_SKB_CB(meta->skb));
+
+			unmap_descbuffer(ring, meta->dmaaddr, meta->skb->len, 1);
+			kfree(priv_info->bouncebuffer);
+			priv_info->bouncebuffer = NULL;
+		} else {
 			unmap_descbuffer(ring, meta->dmaaddr,
 					 b43_txhdr_size(dev), 1);
+		}
 
 		if (meta->is_last_fragment) {
 			struct ieee80211_tx_info *info;
diff --git a/drivers/net/wireless/b43/xmit.h b/drivers/net/wireless/b43/xmit.h
index 3530de87187..d23ff9fe0c9 100644
--- a/drivers/net/wireless/b43/xmit.h
+++ b/drivers/net/wireless/b43/xmit.h
@@ -2,6 +2,8 @@
 #define B43_XMIT_H_
 
 #include "main.h"
+#include <net/mac80211.h>
+
 
 #define _b43_declare_plcp_hdr(size) \
 	struct b43_plcp_hdr##size {		\
@@ -332,4 +334,21 @@ static inline u8 b43_kidx_to_raw(struct b43_wldev *dev, u8 firmware_kidx)
 	return raw_kidx;
 }
 
+/* struct b43_private_tx_info - TX info private to b43.
+ * The structure is placed in (struct ieee80211_tx_info *)->rate_driver_data
+ *
+ * @bouncebuffer: DMA Bouncebuffer (if used)
+ */
+struct b43_private_tx_info {
+	void *bouncebuffer;
+};
+
+static inline struct b43_private_tx_info *
+b43_get_priv_tx_info(struct ieee80211_tx_info *info)
+{
+	BUILD_BUG_ON(sizeof(struct b43_private_tx_info) >
+		     sizeof(info->rate_driver_data));
+	return (struct b43_private_tx_info *)info->rate_driver_data;
+}
+
 #endif /* B43_XMIT_H_ */
-- 
GitLab


From cf7ff8dfe64c8ca8a71b4fcbac357a3476ed1888 Mon Sep 17 00:00:00 2001
From: Reinette Chatre <reinette.chatre@intel.com>
Date: Fri, 6 Nov 2009 14:52:44 -0800
Subject: [PATCH 1080/1815] iwlwifi: change debug message to error in failure
 case

Since these messages indicate failure we would be interested in seeing them
always.

Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-hcmd.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-hcmd.c b/drivers/net/wireless/iwlwifi/iwl-hcmd.c
index 905645d15a9..e8002c1d3eb 100644
--- a/drivers/net/wireless/iwlwifi/iwl-hcmd.c
+++ b/drivers/net/wireless/iwlwifi/iwl-hcmd.c
@@ -199,13 +199,13 @@ int iwl_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
 	}
 
 	if (test_bit(STATUS_RF_KILL_HW, &priv->status)) {
-		IWL_DEBUG_INFO(priv, "Command %s aborted: RF KILL Switch\n",
+		IWL_ERR(priv, "Command %s aborted: RF KILL Switch\n",
 			       get_cmd_string(cmd->id));
 		ret = -ECANCELED;
 		goto fail;
 	}
 	if (test_bit(STATUS_FW_ERROR, &priv->status)) {
-		IWL_DEBUG_INFO(priv, "Command %s failed: FW Error\n",
+		IWL_ERR(priv, "Command %s failed: FW Error\n",
 			       get_cmd_string(cmd->id));
 		ret = -EIO;
 		goto fail;
-- 
GitLab


From a3b6bd5bf23c5cd95389e24121da02d2330eaf21 Mon Sep 17 00:00:00 2001
From: Zhu Yi <yi.zhu@intel.com>
Date: Fri, 6 Nov 2009 14:52:45 -0800
Subject: [PATCH 1081/1815] iwlwifi: allocate 128 bytes linear buffer for rx
 skb

Allocate 128 bytes linear buffer for rx skb. The first 64 bytes is
reserved for mac80211 usage (for radiotap header expansion, etc).
The frame header starts from the second 64 bytes.

Cc: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-3945.c | 3 ++-
 drivers/net/wireless/iwlwifi/iwl-rx.c   | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 09a7bd2c0be..26a1134f84a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -564,7 +564,7 @@ static void iwl3945_pass_packet_to_mac80211(struct iwl_priv *priv,
 		return;
 	}
 
-	skb = alloc_skb(IWL_LINK_HDR_MAX, GFP_ATOMIC);
+	skb = alloc_skb(IWL_LINK_HDR_MAX * 2, GFP_ATOMIC);
 	if (!skb) {
 		IWL_ERR(priv, "alloc_skb failed\n");
 		return;
@@ -575,6 +575,7 @@ static void iwl3945_pass_packet_to_mac80211(struct iwl_priv *priv,
 				       (struct ieee80211_hdr *)rxb_addr(rxb),
 				       le32_to_cpu(rx_end->status), stats);
 
+	skb_reserve(skb, IWL_LINK_HDR_MAX);
 	skb_add_rx_frag(skb, 0, rxb->page,
 			(void *)rx_hdr->payload - (void *)pkt, len);
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c
index e5339c9ad13..d2dc7cceb5f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-rx.c
@@ -937,12 +937,13 @@ static void iwl_pass_packet_to_mac80211(struct iwl_priv *priv,
 	    iwl_set_decrypted_flag(priv, hdr, ampdu_status, stats))
 		return;
 
-	skb = alloc_skb(IWL_LINK_HDR_MAX, GFP_ATOMIC);
+	skb = alloc_skb(IWL_LINK_HDR_MAX * 2, GFP_ATOMIC);
 	if (!skb) {
 		IWL_ERR(priv, "alloc_skb failed\n");
 		return;
 	}
 
+	skb_reserve(skb, IWL_LINK_HDR_MAX);
 	skb_add_rx_frag(skb, 0, rxb->page, (void *)hdr - rxb_addr(rxb), len);
 
 	/* mac80211 currently doesn't support paged SKB. Convert it to
-- 
GitLab


From a643565efcdafdc37638aa5131ced91b2d3ddcb2 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 6 Nov 2009 14:52:46 -0800
Subject: [PATCH 1082/1815] iwlwifi: print rx_on config to help debug

To help debug rx related issues, if IWL_DEBUG_RADIO flag is set, print
the rxon configuration when rxon host command send to uCode.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn.c  | 2 ++
 drivers/net/wireless/iwlwifi/iwl-core.c | 3 ++-
 drivers/net/wireless/iwlwifi/iwl-core.h | 5 +++++
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index b5fe8f87aa7..1710815691d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -133,6 +133,7 @@ int iwl_commit_rxon(struct iwl_priv *priv)
 		}
 
 		memcpy(active_rxon, &priv->staging_rxon, sizeof(*active_rxon));
+		iwl_print_rx_config_cmd(priv);
 		return 0;
 	}
 
@@ -228,6 +229,7 @@ int iwl_commit_rxon(struct iwl_priv *priv)
 		}
 		memcpy(active_rxon, &priv->staging_rxon, sizeof(*active_rxon));
 	}
+	iwl_print_rx_config_cmd(priv);
 
 	iwl_init_sensitivity(priv);
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index e0b5b4aef41..f88a1cb7a12 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1328,7 +1328,7 @@ void iwl_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
 EXPORT_SYMBOL(iwl_rx_csa);
 
 #ifdef CONFIG_IWLWIFI_DEBUG
-static void iwl_print_rx_config_cmd(struct iwl_priv *priv)
+void iwl_print_rx_config_cmd(struct iwl_priv *priv)
 {
 	struct iwl_rxon_cmd *rxon = &priv->staging_rxon;
 
@@ -1346,6 +1346,7 @@ static void iwl_print_rx_config_cmd(struct iwl_priv *priv)
 	IWL_DEBUG_RADIO(priv, "u8[6] bssid_addr: %pM\n", rxon->bssid_addr);
 	IWL_DEBUG_RADIO(priv, "u16 assoc_id: 0x%x\n", le16_to_cpu(rxon->assoc_id));
 }
+EXPORT_SYMBOL(iwl_print_rx_config_cmd);
 #endif
 /**
  * iwl_irq_handle_error - called for HW or SW error interrupt from card
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 9574d8f3353..3f97036ac29 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -579,6 +579,7 @@ int iwl_pci_resume(struct pci_dev *pdev);
 #ifdef CONFIG_IWLWIFI_DEBUG
 void iwl_dump_nic_event_log(struct iwl_priv *priv);
 void iwl_dump_nic_error_log(struct iwl_priv *priv);
+void iwl_print_rx_config_cmd(struct iwl_priv *priv);
 #else
 static inline void iwl_dump_nic_event_log(struct iwl_priv *priv)
 {
@@ -587,6 +588,10 @@ static inline void iwl_dump_nic_event_log(struct iwl_priv *priv)
 static inline void iwl_dump_nic_error_log(struct iwl_priv *priv)
 {
 }
+
+static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv)
+{
+}
 #endif
 
 void iwl_clear_isr_stats(struct iwl_priv *priv);
-- 
GitLab


From f1e3d7d428616c04ef71bee3c2b6f274b8947755 Mon Sep 17 00:00:00 2001
From: Shanyu Zhao <shanyu.zhao@intel.com>
Date: Fri, 6 Nov 2009 14:52:47 -0800
Subject: [PATCH 1083/1815] iwlwifi: use only one chain for scan in PS

When doing scan in power saving mode, choose only 1 valid RX chain instead of
turning all chains on.

Signed-off-by: Shanyu Zhao <shanyu.zhao@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-scan.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index 1eb0d0bf1fe..48bc2636a8e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -581,6 +581,7 @@ static void iwl_bg_request_scan(struct work_struct *data)
 	u8 rate;
 	bool is_active = false;
 	int  chan_mod;
+	u8 active_chains;
 
 	conf = ieee80211_get_hw_conf(priv->hw);
 
@@ -734,9 +735,22 @@ static void iwl_bg_request_scan(struct work_struct *data)
 	rate_flags |= iwl_ant_idx_to_flags(priv->scan_tx_ant[band]);
 	scan->tx_cmd.rate_n_flags = iwl_hw_set_rate_n_flags(rate, rate_flags);
 
+	/* In power save mode use one chain, otherwise use all chains */
+	if (test_bit(STATUS_POWER_PMI, &priv->status)) {
+		/* rx_ant has been set to all valid chains previously */
+		active_chains = rx_ant &
+				((u8)(priv->chain_noise_data.active_chains));
+		if (!active_chains)
+			active_chains = rx_ant;
+
+		IWL_DEBUG_SCAN(priv, "chain_noise_data.active_chains: %u\n",
+				priv->chain_noise_data.active_chains);
+
+		rx_ant = first_antenna(active_chains);
+	}
 	/* MIMO is not used here, but value is required */
 	rx_chain |= ANT_ABC << RXON_RX_CHAIN_VALID_POS;
-	rx_chain |= ANT_ABC << RXON_RX_CHAIN_FORCE_MIMO_SEL_POS;
+	rx_chain |= rx_ant << RXON_RX_CHAIN_FORCE_MIMO_SEL_POS;
 	rx_chain |= rx_ant << RXON_RX_CHAIN_FORCE_SEL_POS;
 	rx_chain |= 0x1 << RXON_RX_CHAIN_DRIVER_FORCE_POS;
 	scan->rx_chain = cpu_to_le16(rx_chain);
-- 
GitLab


From b23aa883678aec0f5d9e96c9b3e416ec4fdf735e Mon Sep 17 00:00:00 2001
From: Shanyu Zhao <shanyu.zhao@intel.com>
Date: Fri, 6 Nov 2009 14:52:48 -0800
Subject: [PATCH 1084/1815] iwlwifi: use configured valid rx chain for scan

Use configured valid rx chains in scan command instead of ANT_ABC, correcting
valid rx chain configuration of 4965, should be ANT_ABC instead of ANT_AB.

Signed-off-by: Shanyu Zhao <shanyu.zhao@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-4965.c | 2 +-
 drivers/net/wireless/iwlwifi/iwl-scan.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index 1ff465ad40d..faa4c4e2d43 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -2228,7 +2228,7 @@ struct iwl_cfg iwl4965_agn_cfg = {
 	.num_of_ampdu_queues = IWL49_NUM_AMPDU_QUEUES,
 	.mod_params = &iwl4965_mod_params,
 	.valid_tx_ant = ANT_AB,
-	.valid_rx_ant = ANT_AB,
+	.valid_rx_ant = ANT_ABC,
 	.pll_cfg_val = 0,
 	.set_l0s = true,
 	.use_bsm = true,
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index 48bc2636a8e..a2b2b8315ff 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -749,7 +749,7 @@ static void iwl_bg_request_scan(struct work_struct *data)
 		rx_ant = first_antenna(active_chains);
 	}
 	/* MIMO is not used here, but value is required */
-	rx_chain |= ANT_ABC << RXON_RX_CHAIN_VALID_POS;
+	rx_chain |= priv->hw_params.valid_rx_ant << RXON_RX_CHAIN_VALID_POS;
 	rx_chain |= rx_ant << RXON_RX_CHAIN_FORCE_MIMO_SEL_POS;
 	rx_chain |= rx_ant << RXON_RX_CHAIN_FORCE_SEL_POS;
 	rx_chain |= 0x1 << RXON_RX_CHAIN_DRIVER_FORCE_POS;
-- 
GitLab


From 0748dc1fcd8589c0e215e26112320b76e7c9a262 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 6 Nov 2009 14:52:49 -0800
Subject: [PATCH 1085/1815] iwlwifi: no periodic Tx/IQ calibration for
 6x00/6x50 series

For both 6x00 and 6x50 series devices, periodic Tx IQ calibration is
disabled in uCode, driver do not need to set the periodic Tx/IQ calibration
bit in calibration command.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-6000.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index 70e117f8d0c..9ab79546b8a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -166,9 +166,7 @@ static int iwl6000_hw_set_hw_params(struct iwl_priv *priv)
 			BIT(IWL_CALIB_XTAL)		|
 			BIT(IWL_CALIB_LO)		|
 			BIT(IWL_CALIB_TX_IQ) 		|
-			BIT(IWL_CALIB_TX_IQ_PERD)	|
 			BIT(IWL_CALIB_BASE_BAND);
-
 	return 0;
 }
 
-- 
GitLab


From a221e6f7b48ee2d9352827af8aec8b49272b5b43 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Fri, 6 Nov 2009 14:52:50 -0800
Subject: [PATCH 1086/1815] iwlwifi: don't double-activate queue 4

The fourth queue (command queue) is already activated in
the loop above that also maps it to the command FIFO and
therefore doesn't need to be marked as activated again.
Also change the TODO comment to be accurate -- we need
to initialise the _queues_, not FIFOs, and map them to
device FIFOs.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-5000.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 910217f0ad8..6ea5e2dc273 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -661,9 +661,13 @@ int iwl5000_alive_notify(struct iwl_priv *priv)
 		iwl_txq_ctx_activate(priv, i);
 		iwl5000_tx_queue_set_status(priv, &priv->txq[i], ac, 0);
 	}
-	/* TODO - need to initialize those FIFOs inside the loop above,
-	 * not only mark them as active */
-	iwl_txq_ctx_activate(priv, 4);
+
+	/*
+	 * TODO - need to initialize these queues and map them to FIFOs
+	 * in the loop above, not only mark them as active. We do this
+	 * because we want the first aggregation queue to be queue #10,
+	 * but do not use 8 or 9 otherwise yet.
+	 */
 	iwl_txq_ctx_activate(priv, 7);
 	iwl_txq_ctx_activate(priv, 8);
 	iwl_txq_ctx_activate(priv, 9);
-- 
GitLab


From 1a716557a5ed3b814cb32b8be79848d53e470871 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Fri, 6 Nov 2009 14:52:51 -0800
Subject: [PATCH 1087/1815] iwlwifi: fix FIFO vs. queue confusion

When I added that code setting the swq_id, I evidently
did not understand the distinction between FIFO and TX
queue yet and added code to compare a queue ID and a
FIFO number, which is bogus.

However, the code there need not be this specific, it
can just set all queues to the identity mapping which
will be overwritten by the aggregation queue code. As
a bit of defensive coding, don't assign an swq_id to
the command queue so that if we ever use it for frames
we notice quickly.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-dev.h | 5 +++--
 drivers/net/wireless/iwlwifi/iwl-tx.c  | 9 +++++++--
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index cb2642c18da..b4e81454303 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -324,8 +324,9 @@ struct iwl_channel_info {
 #define IWL_MIN_NUM_QUEUES	10
 
 /*
- * uCode queue management definitions ...
- * Queue #4 is the command queue for 3945/4965/5x00/1000/6x00.
+ * Queue #4 is the command queue for 3945/4965/5x00/1000/6x00,
+ * the driver maps it into the appropriate device FIFO for the
+ * uCode.
  */
 #define IWL_CMD_QUEUE_NUM	4
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index 05e75109d84..905ceca88b9 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -364,8 +364,13 @@ int iwl_tx_queue_init(struct iwl_priv *priv, struct iwl_tx_queue *txq,
 
 	txq->need_update = 0;
 
-	/* aggregation TX queues will get their ID when aggregation begins */
-	if (txq_id <= IWL_TX_FIFO_AC3)
+	/*
+	 * Aggregation TX queues will get their ID when aggregation begins;
+	 * they overwrite the setting done here. The command FIFO doesn't
+	 * need an swq_id so don't set one to catch errors, all others can
+	 * be set up to the identity mapping.
+	 */
+	if (txq_id != IWL_CMD_QUEUE_NUM)
 		txq->swq_id = txq_id;
 
 	/* TFD_QUEUE_SIZE_MAX must be power-of-two size, otherwise
-- 
GitLab


From bed0a68f98d93c0abdc96b4c290a92c80234c182 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 6 Nov 2009 14:52:52 -0800
Subject: [PATCH 1088/1815] iwlwifi: remove un-used parameter

Remove un-used parameter "recovery_rxon" from "priv" data structure

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-dev.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index b4e81454303..997564584c7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -1087,8 +1087,6 @@ struct iwl_priv {
 	const struct iwl_rxon_cmd active_rxon;
 	struct iwl_rxon_cmd staging_rxon;
 
-	struct iwl_rxon_cmd recovery_rxon;
-
 	/* 1st responses from initialize and runtime uCode images.
 	 * 4965's initialize alive response contains some calibration data. */
 	struct iwl_init_alive_resp card_alive_init;
-- 
GitLab


From 681988653ed46a14032ac5fe2ee84eaae314b72e Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Fri, 6 Nov 2009 14:52:53 -0800
Subject: [PATCH 1089/1815] iwlwifi: add FIFO usage for 5000

This is part of the code, but the comment doesn't have it,
add pointers to the code and the FIFO usage for 5000 and
up.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-prph.h | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-prph.h b/drivers/net/wireless/iwlwifi/iwl-prph.h
index d393e8f0210..6d95832db06 100644
--- a/drivers/net/wireless/iwlwifi/iwl-prph.h
+++ b/drivers/net/wireless/iwlwifi/iwl-prph.h
@@ -254,7 +254,8 @@
  * device.  A queue maps to only one (selectable by driver) Tx DMA channel,
  * but one DMA channel may take input from several queues.
  *
- * Tx DMA channels have dedicated purposes.  For 4965, they are used as follows:
+ * Tx DMA channels have dedicated purposes.  For 4965, they are used as follows
+ * (cf. default_queue_to_tx_fifo in iwl-4965.c):
  *
  * 0 -- EDCA BK (background) frames, lowest priority
  * 1 -- EDCA BE (best effort) frames, normal priority
@@ -265,9 +266,21 @@
  * 6 -- HCCA long frames
  * 7 -- not used by driver (device-internal only)
  *
+ * For 5000 series and up, they are used slightly differently
+ * (cf. iwl5000_default_queue_to_tx_fifo in iwl-5000.c):
+ *
+ * 0 -- EDCA BK (background) frames, lowest priority
+ * 1 -- EDCA BE (best effort) frames, normal priority
+ * 2 -- EDCA VI (video) frames, higher priority
+ * 3 -- EDCA VO (voice) and management frames, highest priority
+ * 4 -- (TBD)
+ * 5 -- HCCA short frames
+ * 6 -- HCCA long frames
+ * 7 -- Commands
+ *
  * Driver should normally map queues 0-6 to Tx DMA/FIFO channels 0-6.
- * In addition, driver can map queues 7-15 to Tx DMA/FIFO channels 0-3 to
- * support 11n aggregation via EDCA DMA channels.
+ * In addition, driver can map the remaining queues to Tx DMA/FIFO
+ * channels 0-3 to support 11n aggregation via EDCA DMA channels.
  *
  * The driver sets up each queue to work in one of two modes:
  *
-- 
GitLab


From 0924e519a3a18ffbfaa043f4a2c369140c5a235c Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 6 Nov 2009 14:52:54 -0800
Subject: [PATCH 1090/1815] iwlwifi: fix for channel switch

Different channel has different configuration, need to pass correct
configuration to uCode when send "channel switch" command to uCode.
Invalid configuration will cause sysassert in uCode and produce
un-expected result.

Even it is a very small windows, but we also need to consider and handle
the case if commit_rxon occurred before the "channel switch
announcement" notification received from uCode.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-4965.c | 12 ++++---
 drivers/net/wireless/iwlwifi/iwl-5000.c |  6 ++--
 drivers/net/wireless/iwlwifi/iwl-6000.c |  6 ++--
 drivers/net/wireless/iwlwifi/iwl-agn.c  | 11 ++++++
 drivers/net/wireless/iwlwifi/iwl-core.c | 45 ++++++++++++++++---------
 drivers/net/wireless/iwlwifi/iwl-dev.h  | 13 +++++++
 6 files changed, 68 insertions(+), 25 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index faa4c4e2d43..1d22ea390c0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -1449,14 +1449,14 @@ static int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel)
 	is_ht40 = is_ht40_channel(priv->staging_rxon.flags);
 
 	if (is_ht40 &&
-	    (priv->active_rxon.flags & RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK))
+	    (priv->staging_rxon.flags & RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK))
 		ctrl_chan_high = 1;
 
 	cmd.band = band;
 	cmd.expect_beacon = 0;
 	cmd.channel = cpu_to_le16(channel);
-	cmd.rxon_flags = priv->active_rxon.flags;
-	cmd.rxon_filter_flags = priv->active_rxon.filter_flags;
+	cmd.rxon_flags = priv->staging_rxon.flags;
+	cmd.rxon_filter_flags = priv->staging_rxon.filter_flags;
 	cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time);
 	if (ch_info)
 		cmd.expect_beacon = is_channel_radar(ch_info);
@@ -1473,8 +1473,10 @@ static int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel)
 		return rc;
 	}
 
-	rc = iwl_send_cmd_pdu(priv, REPLY_CHANNEL_SWITCH, sizeof(cmd), &cmd);
-	return rc;
+	priv->switch_rxon.channel = cpu_to_le16(channel);
+	priv->switch_rxon.switch_in_progress = true;
+
+	return iwl_send_cmd_pdu(priv, REPLY_CHANNEL_SWITCH, sizeof(cmd), &cmd);
 }
 
 /**
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 6ea5e2dc273..6eaf26b0763 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -1391,8 +1391,8 @@ static int iwl5000_hw_channel_switch(struct iwl_priv *priv, u16 channel)
 		priv->active_rxon.channel, channel);
 	cmd.band = priv->band == IEEE80211_BAND_2GHZ;
 	cmd.channel = cpu_to_le16(channel);
-	cmd.rxon_flags = priv->active_rxon.flags;
-	cmd.rxon_filter_flags = priv->active_rxon.filter_flags;
+	cmd.rxon_flags = priv->staging_rxon.flags;
+	cmd.rxon_filter_flags = priv->staging_rxon.filter_flags;
 	cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time);
 	ch_info = iwl_get_channel_info(priv, priv->band, channel);
 	if (ch_info)
@@ -1402,6 +1402,8 @@ static int iwl5000_hw_channel_switch(struct iwl_priv *priv, u16 channel)
 			priv->active_rxon.channel, channel);
 		return -EFAULT;
 	}
+	priv->switch_rxon.channel = cpu_to_le16(channel);
+	priv->switch_rxon.switch_in_progress = true;
 
 	return iwl_send_cmd_sync(priv, &hcmd);
 }
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index 9ab79546b8a..1f769ea2363 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -186,8 +186,8 @@ static int iwl6000_hw_channel_switch(struct iwl_priv *priv, u16 channel)
 
 	cmd.band = priv->band == IEEE80211_BAND_2GHZ;
 	cmd.channel = cpu_to_le16(channel);
-	cmd.rxon_flags = priv->active_rxon.flags;
-	cmd.rxon_filter_flags = priv->active_rxon.filter_flags;
+	cmd.rxon_flags = priv->staging_rxon.flags;
+	cmd.rxon_filter_flags = priv->staging_rxon.filter_flags;
 	cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time);
 	ch_info = iwl_get_channel_info(priv, priv->band, channel);
 	if (ch_info)
@@ -197,6 +197,8 @@ static int iwl6000_hw_channel_switch(struct iwl_priv *priv, u16 channel)
 			priv->active_rxon.channel, channel);
 		return -EFAULT;
 	}
+	priv->switch_rxon.channel = cpu_to_le16(channel);
+	priv->switch_rxon.switch_in_progress = true;
 
 	return iwl_send_cmd_sync(priv, &hcmd);
 }
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 1710815691d..7bdedf61dd3 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -122,6 +122,17 @@ int iwl_commit_rxon(struct iwl_priv *priv)
 		return -EINVAL;
 	}
 
+	/*
+	 * receive commit_rxon request
+	 * abort any previous channel switch if still in process
+	 */
+	if (priv->switch_rxon.switch_in_progress &&
+	    (priv->switch_rxon.channel != priv->staging_rxon.channel)) {
+		IWL_DEBUG_11H(priv, "abort channel switch on %d\n",
+		      le16_to_cpu(priv->switch_rxon.channel));
+		priv->switch_rxon.switch_in_progress = false;
+	}
+
 	/* If we don't need to send a full RXON, we can use
 	 * iwl_rxon_assoc_cmd which is used to reconfigure filter
 	 * and other flags for the current radio configuration. */
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index f88a1cb7a12..e0edc607e33 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1316,14 +1316,19 @@ void iwl_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
 	struct iwl_rxon_cmd *rxon = (void *)&priv->active_rxon;
 	struct iwl_csa_notification *csa = &(pkt->u.csa_notif);
 
-	if (!le32_to_cpu(csa->status)) {
-		rxon->channel = csa->channel;
-		priv->staging_rxon.channel = csa->channel;
-		IWL_DEBUG_11H(priv, "CSA notif: channel %d\n",
-		      le16_to_cpu(csa->channel));
-	} else
-		IWL_ERR(priv, "CSA notif (fail) : channel %d\n",
-		      le16_to_cpu(csa->channel));
+	if (priv->switch_rxon.switch_in_progress) {
+		if (!le32_to_cpu(csa->status) &&
+		    (csa->channel == priv->switch_rxon.channel)) {
+			rxon->channel = csa->channel;
+			priv->staging_rxon.channel = csa->channel;
+			IWL_DEBUG_11H(priv, "CSA notif: channel %d\n",
+			      le16_to_cpu(csa->channel));
+		} else
+			IWL_ERR(priv, "CSA notif (fail) : channel %d\n",
+			      le16_to_cpu(csa->channel));
+
+		priv->switch_rxon.switch_in_progress = false;
+	}
 }
 EXPORT_SYMBOL(iwl_rx_csa);
 
@@ -2690,14 +2695,6 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed)
 			goto set_ch_out;
 		}
 
-		if (iwl_is_associated(priv) &&
-		    (le16_to_cpu(priv->active_rxon.channel) != ch) &&
-		    priv->cfg->ops->lib->set_channel_switch) {
-			ret = priv->cfg->ops->lib->set_channel_switch(priv,
-				ch);
-			goto out;
-		}
-
 		spin_lock_irqsave(&priv->lock, flags);
 
 		/* Configure HT40 channels */
@@ -2732,6 +2729,22 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed)
 
 		iwl_set_flags_for_band(priv, conf->channel->band);
 		spin_unlock_irqrestore(&priv->lock, flags);
+		if (iwl_is_associated(priv) &&
+		    (le16_to_cpu(priv->active_rxon.channel) != ch) &&
+		    priv->cfg->ops->lib->set_channel_switch) {
+			iwl_set_rate(priv);
+			/*
+			 * at this point, staging_rxon has the
+			 * configuration for channel switch
+			 */
+			ret = priv->cfg->ops->lib->set_channel_switch(priv,
+				ch);
+			if (!ret) {
+				iwl_print_rx_config_cmd(priv);
+				goto out;
+			}
+			priv->switch_rxon.switch_in_progress = false;
+		}
  set_ch_out:
 		/* The list of supported rates and rate mask can be different
 		 * for each band; since the band may have changed, reset
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 997564584c7..9a19a3d1f70 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -994,6 +994,17 @@ struct traffic_stats {
 };
 #endif
 
+/*
+ * iwl_switch_rxon: "channel switch" structure
+ *
+ * @ switch_in_progress: channel switch in progress
+ * @ channel: new channel
+ */
+struct iwl_switch_rxon {
+	bool switch_in_progress;
+	__le16 channel;
+};
+
 struct iwl_priv {
 
 	/* ieee device used by generic ieee processing code */
@@ -1087,6 +1098,8 @@ struct iwl_priv {
 	const struct iwl_rxon_cmd active_rxon;
 	struct iwl_rxon_cmd staging_rxon;
 
+	struct iwl_switch_rxon switch_rxon;
+
 	/* 1st responses from initialize and runtime uCode images.
 	 * 4965's initialize alive response contains some calibration data. */
 	struct iwl_init_alive_resp card_alive_init;
-- 
GitLab


From 740e7f51c226076d8f8ccb203d9ba6258a5bcec7 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 6 Nov 2009 14:52:55 -0800
Subject: [PATCH 1091/1815] iwlwifi: drop non-production PCI-IDs

Remove the support for all the PCI_IDs never make into production

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-6000.c | 98 +------------------------
 drivers/net/wireless/iwlwifi/iwl-agn.c  |  8 --
 drivers/net/wireless/iwlwifi/iwl-dev.h  |  4 +-
 3 files changed, 2 insertions(+), 108 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index 1f769ea2363..f732f6d194a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -90,11 +90,7 @@ static void iwl6000_nic_config(struct iwl_priv *priv)
 		    CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
 
 	/* no locking required for register write */
-	if (priv->cfg->pa_type == IWL_PA_HYBRID) {
-		/* 2x2 hybrid phy type */
-		iwl_write32(priv, CSR_GP_DRIVER_REG,
-			     CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_HYB);
-	} else if (priv->cfg->pa_type == IWL_PA_INTERNAL) {
+	if (priv->cfg->pa_type == IWL_PA_INTERNAL) {
 		/* 2x2 IPA phy type */
 		iwl_write32(priv, CSR_GP_DRIVER_REG,
 			     CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_IPA);
@@ -279,98 +275,6 @@ static struct iwl_ops iwl6050_ops = {
 	.led = &iwlagn_led_ops,
 };
 
-
-/*
- * "h": Hybrid configuration, use both internal and external Power Amplifier
- */
-struct iwl_cfg iwl6000h_2agn_cfg = {
-	.name = "6000 Series 2x2 AGN",
-	.fw_name_pre = IWL6000_FW_PRE,
-	.ucode_api_max = IWL6000_UCODE_API_MAX,
-	.ucode_api_min = IWL6000_UCODE_API_MIN,
-	.sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
-	.ops = &iwl6000_ops,
-	.eeprom_size = OTP_LOW_IMAGE_SIZE,
-	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
-	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
-	.num_of_queues = IWL50_NUM_QUEUES,
-	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
-	.mod_params = &iwl50_mod_params,
-	.valid_tx_ant = ANT_AB,
-	.valid_rx_ant = ANT_AB,
-	.pll_cfg_val = 0,
-	.set_l0s = true,
-	.use_bsm = false,
-	.pa_type = IWL_PA_HYBRID,
-	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
-	.shadow_ram_support = true,
-	.ht_greenfield_support = true,
-	.led_compensation = 51,
-	.use_rts_for_ht = true, /* use rts/cts protection */
-	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
-	.supports_idle = true,
-	.adv_thermal_throttle = true,
-	.support_ct_kill_exit = true,
-};
-
-struct iwl_cfg iwl6000h_2abg_cfg = {
-	.name = "6000 Series 2x2 ABG",
-	.fw_name_pre = IWL6000_FW_PRE,
-	.ucode_api_max = IWL6000_UCODE_API_MAX,
-	.ucode_api_min = IWL6000_UCODE_API_MIN,
-	.sku = IWL_SKU_A|IWL_SKU_G,
-	.ops = &iwl6000_ops,
-	.eeprom_size = OTP_LOW_IMAGE_SIZE,
-	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
-	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
-	.num_of_queues = IWL50_NUM_QUEUES,
-	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
-	.mod_params = &iwl50_mod_params,
-	.valid_tx_ant = ANT_AB,
-	.valid_rx_ant = ANT_AB,
-	.pll_cfg_val = 0,
-	.set_l0s = true,
-	.use_bsm = false,
-	.pa_type = IWL_PA_HYBRID,
-	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
-	.shadow_ram_support = true,
-	.ht_greenfield_support = true,
-	.led_compensation = 51,
-	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
-	.supports_idle = true,
-	.adv_thermal_throttle = true,
-	.support_ct_kill_exit = true,
-};
-
-struct iwl_cfg iwl6000h_2bg_cfg = {
-	.name = "6000 Series 2x2 BG",
-	.fw_name_pre = IWL6000_FW_PRE,
-	.ucode_api_max = IWL6000_UCODE_API_MAX,
-	.ucode_api_min = IWL6000_UCODE_API_MIN,
-	.sku = IWL_SKU_G,
-	.ops = &iwl6000_ops,
-	.eeprom_size = OTP_LOW_IMAGE_SIZE,
-	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
-	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
-	.num_of_queues = IWL50_NUM_QUEUES,
-	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
-	.mod_params = &iwl50_mod_params,
-	.valid_tx_ant = ANT_AB,
-	.valid_rx_ant = ANT_AB,
-	.pll_cfg_val = 0,
-	.set_l0s = true,
-	.use_bsm = false,
-	.pa_type = IWL_PA_HYBRID,
-	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
-	.shadow_ram_support = true,
-	.ht_greenfield_support = true,
-	.led_compensation = 51,
-	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
-	.supports_idle = true,
-	.adv_thermal_throttle = true,
-	.support_ct_kill_exit = true,
-};
-
 /*
  * "i": Internal configuration, use internal Power Amplifier
  */
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 7bdedf61dd3..ad8a348b1c8 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -3452,14 +3452,6 @@ static struct pci_device_id iwl_hw_card_ids[] = {
 	{IWL_PCI_DEVICE(0x423D, PCI_ANY_ID, iwl5150_agn_cfg)},
 
 /* 6x00 Series */
-	{IWL_PCI_DEVICE(0x008D, 0x1301, iwl6000h_2agn_cfg)},
-	{IWL_PCI_DEVICE(0x008D, 0x1321, iwl6000h_2agn_cfg)},
-	{IWL_PCI_DEVICE(0x008D, 0x1326, iwl6000h_2abg_cfg)},
-	{IWL_PCI_DEVICE(0x008D, 0x1306, iwl6000h_2abg_cfg)},
-	{IWL_PCI_DEVICE(0x008D, 0x1307, iwl6000h_2bg_cfg)},
-	{IWL_PCI_DEVICE(0x008E, 0x1311, iwl6000h_2agn_cfg)},
-	{IWL_PCI_DEVICE(0x008E, 0x1316, iwl6000h_2abg_cfg)},
-
 	{IWL_PCI_DEVICE(0x422B, 0x1101, iwl6000_3agn_cfg)},
 	{IWL_PCI_DEVICE(0x422B, 0x1121, iwl6000_3agn_cfg)},
 	{IWL_PCI_DEVICE(0x422C, 0x1301, iwl6000i_2agn_cfg)},
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 9a19a3d1f70..9dea8fa08c0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -927,13 +927,11 @@ enum iwl_access_mode {
 /**
  * enum iwl_pa_type - Power Amplifier type
  * @IWL_PA_SYSTEM:  based on uCode configuration
- * @IWL_PA_HYBRID: use both Internal and external PA
  * @IWL_PA_INTERNAL: use Internal only
  */
 enum iwl_pa_type {
 	IWL_PA_SYSTEM = 0,
-	IWL_PA_HYBRID = 1,
-	IWL_PA_INTERNAL = 2,
+	IWL_PA_INTERNAL = 1,
 };
 
 /* interrupt statistics */
-- 
GitLab


From 6762f07fd55ff5e588aa5f0a1b70efe8e268a2e8 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 6 Nov 2009 14:52:56 -0800
Subject: [PATCH 1092/1815] iwlwifi: do not base station's sm_ps setting on AP

Do not use AP's SM_PS setting for our own SM_PS setting.

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-core.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index e0edc607e33..d09e7481532 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -2316,12 +2316,6 @@ static void iwl_ht_conf(struct iwl_priv *priv,
 					>> IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT;
 			maxstreams += 1;
 
-			ht_conf->sm_ps =
-				(u8)((ht_cap->cap & IEEE80211_HT_CAP_SM_PS)
-				>> 2);
-			IWL_DEBUG_MAC80211(priv, "sm_ps: 0x%x\n",
-				ht_conf->sm_ps);
-
 			if ((ht_cap->mcs.rx_mask[1] == 0) &&
 			    (ht_cap->mcs.rx_mask[2] == 0))
 				ht_conf->single_chain_sufficient = true;
-- 
GitLab


From 84c4069232a671b3739387949d5cb588dacbd24a Mon Sep 17 00:00:00 2001
From: Ben Cahill <ben.m.cahill@intel.com>
Date: Fri, 6 Nov 2009 14:52:57 -0800
Subject: [PATCH 1093/1815] iwlwifi: Limit size of Event Log dump

If device provides bad values for Event Log parameters (due to being asleep
or SRAM corruption, etc.), the size can be very, very large (e.g. 0xa5a5a5a5),
which can flood system log.

Sanity-check capacity and next_entry values and limit to reasonable size dump.

Signed-off-by: Ben Cahill <ben.m.cahill@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn.c      | 15 +++++++++++++++
 drivers/net/wireless/iwlwifi/iwl3945-base.c | 15 +++++++++++++++
 2 files changed, 30 insertions(+)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index ad8a348b1c8..9c40742727a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1702,6 +1702,9 @@ static void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx,
 	}
 }
 
+/* For sanity check only.  Actual size is determined by uCode, typ. 512 */
+#define MAX_EVENT_LOG_SIZE (512)
+
 void iwl_dump_nic_event_log(struct iwl_priv *priv)
 {
 	u32 base;       /* SRAM byte address of event log header */
@@ -1727,6 +1730,18 @@ void iwl_dump_nic_event_log(struct iwl_priv *priv)
 	num_wraps = iwl_read_targ_mem(priv, base + (2 * sizeof(u32)));
 	next_entry = iwl_read_targ_mem(priv, base + (3 * sizeof(u32)));
 
+	if (capacity > MAX_EVENT_LOG_SIZE) {
+		IWL_ERR(priv, "Log capacity %d is bogus, limit to %d entries\n",
+			capacity, MAX_EVENT_LOG_SIZE);
+		capacity = MAX_EVENT_LOG_SIZE;
+	}
+
+	if (next_entry > MAX_EVENT_LOG_SIZE) {
+		IWL_ERR(priv, "Log write index %d is bogus, limit to %d\n",
+			next_entry, MAX_EVENT_LOG_SIZE);
+		next_entry = MAX_EVENT_LOG_SIZE;
+	}
+
 	size = num_wraps ? capacity : next_entry;
 
 	/* bail out if nothing in log */
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 23b31e6dcac..a17afe01c0c 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -1603,6 +1603,9 @@ static void iwl3945_print_event_log(struct iwl_priv *priv, u32 start_idx,
 	}
 }
 
+/* For sanity check only.  Actual size is determined by uCode, typ. 512 */
+#define IWL3945_MAX_EVENT_LOG_SIZE (512)
+
 void iwl3945_dump_nic_event_log(struct iwl_priv *priv)
 {
 	u32 base;       /* SRAM byte address of event log header */
@@ -1624,6 +1627,18 @@ void iwl3945_dump_nic_event_log(struct iwl_priv *priv)
 	num_wraps = iwl_read_targ_mem(priv, base + (2 * sizeof(u32)));
 	next_entry = iwl_read_targ_mem(priv, base + (3 * sizeof(u32)));
 
+	if (capacity > IWL3945_MAX_EVENT_LOG_SIZE) {
+		IWL_ERR(priv, "Log capacity %d is bogus, limit to %d entries\n",
+			capacity, IWL3945_MAX_EVENT_LOG_SIZE);
+		capacity = IWL3945_MAX_EVENT_LOG_SIZE;
+	}
+
+	if (next_entry > IWL3945_MAX_EVENT_LOG_SIZE) {
+		IWL_ERR(priv, "Log write index %d is bogus, limit to %d\n",
+			next_entry, IWL3945_MAX_EVENT_LOG_SIZE);
+		next_entry = IWL3945_MAX_EVENT_LOG_SIZE;
+	}
+
 	size = num_wraps ? capacity : next_entry;
 
 	/* bail out if nothing in log */
-- 
GitLab


From e585447189123de627ecbfaccab9d7a3328a5dd8 Mon Sep 17 00:00:00 2001
From: Ben Cahill <ben.m.cahill@intel.com>
Date: Fri, 6 Nov 2009 14:52:58 -0800
Subject: [PATCH 1094/1815] iwlwifi: speed up event log dumps

Take advantage of device's auto-increment for SRAM reads to eliminate extra
write address accesses.

Grab/release NIC access before/after entire read sequence, rather than for
each read individually.

After a quick check of dmesg logs, this seems to double Event Log dump speed,
reducing from about 20 milliseconds to about 10 milliseconds for 512 entries
using 3945.

Signed-off-by: Ben Cahill <ben.m.cahill@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn.c      | 22 +++++++++++++++------
 drivers/net/wireless/iwlwifi/iwl3945-base.c | 22 +++++++++++++++------
 2 files changed, 32 insertions(+), 12 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 9c40742727a..2abd1f5b5ee 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1666,6 +1666,7 @@ static void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx,
 	u32 event_size; /* 2 u32s, or 3 u32s if timestamp recorded */
 	u32 ptr;        /* SRAM byte address of log data */
 	u32 ev, time, data; /* event log data */
+	unsigned long reg_flags;
 
 	if (num_events == 0)
 		return;
@@ -1681,25 +1682,34 @@ static void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx,
 
 	ptr = base + EVENT_START_OFFSET + (start_idx * event_size);
 
+	/* Make sure device is powered up for SRAM reads */
+	spin_lock_irqsave(&priv->reg_lock, reg_flags);
+	iwl_grab_nic_access(priv);
+
+	/* Set starting address; reads will auto-increment */
+	_iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR, ptr);
+	rmb();
+
 	/* "time" is actually "data" for mode 0 (no timestamp).
 	* place event id # at far right for easier visual parsing. */
 	for (i = 0; i < num_events; i++) {
-		ev = iwl_read_targ_mem(priv, ptr);
-		ptr += sizeof(u32);
-		time = iwl_read_targ_mem(priv, ptr);
-		ptr += sizeof(u32);
+		ev = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT);
+		time = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT);
 		if (mode == 0) {
 			/* data, ev */
 			trace_iwlwifi_dev_ucode_event(priv, 0, time, ev);
 			IWL_ERR(priv, "EVT_LOG:0x%08x:%04u\n", time, ev);
 		} else {
-			data = iwl_read_targ_mem(priv, ptr);
-			ptr += sizeof(u32);
+			data = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT);
 			IWL_ERR(priv, "EVT_LOGT:%010u:0x%08x:%04u\n",
 					time, data, ev);
 			trace_iwlwifi_dev_ucode_event(priv, time, data, ev);
 		}
 	}
+
+	/* Allow device to power down */
+	iwl_release_nic_access(priv);
+	spin_unlock_irqrestore(&priv->reg_lock, reg_flags);
 }
 
 /* For sanity check only.  Actual size is determined by uCode, typ. 512 */
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index a17afe01c0c..92ecdd9abd9 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -1570,6 +1570,7 @@ static void iwl3945_print_event_log(struct iwl_priv *priv, u32 start_idx,
 	u32 event_size;	/* 2 u32s, or 3 u32s if timestamp recorded */
 	u32 ptr;        /* SRAM byte address of log data */
 	u32 ev, time, data; /* event log data */
+	unsigned long reg_flags;
 
 	if (num_events == 0)
 		return;
@@ -1583,24 +1584,33 @@ static void iwl3945_print_event_log(struct iwl_priv *priv, u32 start_idx,
 
 	ptr = base + EVENT_START_OFFSET + (start_idx * event_size);
 
+	/* Make sure device is powered up for SRAM reads */
+	spin_lock_irqsave(&priv->reg_lock, reg_flags);
+	iwl_grab_nic_access(priv);
+
+	/* Set starting address; reads will auto-increment */
+	_iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR, ptr);
+	rmb();
+
 	/* "time" is actually "data" for mode 0 (no timestamp).
 	 * place event id # at far right for easier visual parsing. */
 	for (i = 0; i < num_events; i++) {
-		ev = iwl_read_targ_mem(priv, ptr);
-		ptr += sizeof(u32);
-		time = iwl_read_targ_mem(priv, ptr);
-		ptr += sizeof(u32);
+		ev = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT);
+		time = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT);
 		if (mode == 0) {
 			/* data, ev */
 			IWL_ERR(priv, "0x%08x\t%04u\n", time, ev);
 			trace_iwlwifi_dev_ucode_event(priv, 0, time, ev);
 		} else {
-			data = iwl_read_targ_mem(priv, ptr);
-			ptr += sizeof(u32);
+			data = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT);
 			IWL_ERR(priv, "%010u\t0x%08x\t%04u\n", time, data, ev);
 			trace_iwlwifi_dev_ucode_event(priv, time, data, ev);
 		}
 	}
+
+	/* Allow device to power down */
+	iwl_release_nic_access(priv);
+	spin_unlock_irqrestore(&priv->reg_lock, reg_flags);
 }
 
 /* For sanity check only.  Actual size is determined by uCode, typ. 512 */
-- 
GitLab


From 2a3b793d6a0ff30ad4a541230a6dba2ecb6fff1b Mon Sep 17 00:00:00 2001
From: Ben Cahill <ben.m.cahill@intel.com>
Date: Fri, 6 Nov 2009 14:52:59 -0800
Subject: [PATCH 1095/1815] iwlwifi: Update comments for struct iwl_ssid_ie

Signed-off-by: Ben Cahill <ben.m.cahill@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-commands.h | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index b62c90ec9e1..2857287be4f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -2566,9 +2566,10 @@ struct iwl_scan_channel {
 /**
  * struct iwl_ssid_ie - directed scan network information element
  *
- * Up to 4 of these may appear in REPLY_SCAN_CMD, selected by "type" field
- * in struct iwl_scan_channel; each channel may select different ssids from
- * among the 4 entries.  SSID IEs get transmitted in reverse order of entry.
+ * Up to 20 of these may appear in REPLY_SCAN_CMD (Note: Only 4 are in
+ * 3945 SCAN api), selected by "type" bit field in struct iwl_scan_channel;
+ * each channel may select different ssids from among the 20 (4) entries.
+ * SSID IEs get transmitted in reverse order of entry.
  */
 struct iwl_ssid_ie {
 	u8 id;
-- 
GitLab


From a7e6611034530fce62f5499f77dd4fb6cde4d130 Mon Sep 17 00:00:00 2001
From: Ben Cahill <ben.m.cahill@intel.com>
Date: Fri, 6 Nov 2009 14:53:00 -0800
Subject: [PATCH 1096/1815] iwlwifi: Add comments about MAC_ACCESS_REQ

Signed-off-by: Ben Cahill <ben.m.cahill@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-io.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/drivers/net/wireless/iwlwifi/iwl-io.h b/drivers/net/wireless/iwlwifi/iwl-io.h
index 0a078b08283..d0a358c9d96 100644
--- a/drivers/net/wireless/iwlwifi/iwl-io.h
+++ b/drivers/net/wireless/iwlwifi/iwl-io.h
@@ -200,6 +200,26 @@ static inline int _iwl_grab_nic_access(struct iwl_priv *priv)
 
 	/* this bit wakes up the NIC */
 	_iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
+
+	/*
+	 * These bits say the device is running, and should keep running for
+	 * at least a short while (at least as long as MAC_ACCESS_REQ stays 1),
+	 * but they do not indicate that embedded SRAM is restored yet;
+	 * 3945 and 4965 have volatile SRAM, and must save/restore contents
+	 * to/from host DRAM when sleeping/waking for power-saving.
+	 * Each direction takes approximately 1/4 millisecond; with this
+	 * overhead, it's a good idea to grab and hold MAC_ACCESS_REQUEST if a
+	 * series of register accesses are expected (e.g. reading Event Log),
+	 * to keep device from sleeping.
+	 *
+	 * CSR_UCODE_DRV_GP1 register bit MAC_SLEEP == 0 indicates that
+	 * SRAM is okay/restored.  We don't check that here because this call
+	 * is just for hardware register access; but GP1 MAC_SLEEP check is a
+	 * good idea before accessing 3945/4965 SRAM (e.g. reading Event Log).
+	 *
+	 * 5000 series and later (including 1000 series) have non-volatile SRAM,
+	 * and do not save/restore SRAM when power cycling.
+	 */
 	ret = _iwl_poll_bit(priv, CSR_GP_CNTRL,
 			   CSR_GP_CNTRL_REG_VAL_MAC_ACCESS_EN,
 			   (CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY |
-- 
GitLab


From 8756990f99ecdfe64ed32cce878e36bddc16bdcc Mon Sep 17 00:00:00 2001
From: Ben Cahill <ben.m.cahill@intel.com>
Date: Fri, 6 Nov 2009 14:53:01 -0800
Subject: [PATCH 1097/1815] iwlagn: update write pointers in iwl_irq_tasklet()

Follow-up to "update write pointers for all tx queues after wakeup"; that
patch changed iwl_irq_tasklet_legacy(), but not iwl_irq_tasklet(), so
newer devices were not covered.

Comments from original patch:

Wakeup interrupt has been updating write pointers (indexes, actually) only
for tx queues 0-5.  This is adequate just for 3945, but inadequate for other
devices, all of which have more tx queues.  Now updating all tx/command queues,
so device can be aware of all new tx and host commands enqueued while
device was asleep.

This can potentially improve data traffic bandwidth and/or latency.

Signed-off-by: Ben Cahill <ben.m.cahill@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 2abd1f5b5ee..8198e14b8fa 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1084,6 +1084,7 @@ static void iwl_irq_tasklet(struct iwl_priv *priv)
 	u32 inta = 0;
 	u32 handled = 0;
 	unsigned long flags;
+	u32 i;
 #ifdef CONFIG_IWLWIFI_DEBUG
 	u32 inta_mask;
 #endif
@@ -1194,12 +1195,8 @@ static void iwl_irq_tasklet(struct iwl_priv *priv)
 	if (inta & CSR_INT_BIT_WAKEUP) {
 		IWL_DEBUG_ISR(priv, "Wakeup interrupt\n");
 		iwl_rx_queue_update_write_ptr(priv, &priv->rxq);
-		iwl_txq_update_write_ptr(priv, &priv->txq[0]);
-		iwl_txq_update_write_ptr(priv, &priv->txq[1]);
-		iwl_txq_update_write_ptr(priv, &priv->txq[2]);
-		iwl_txq_update_write_ptr(priv, &priv->txq[3]);
-		iwl_txq_update_write_ptr(priv, &priv->txq[4]);
-		iwl_txq_update_write_ptr(priv, &priv->txq[5]);
+		for (i = 0; i < priv->hw_params.max_txq_num; i++)
+			iwl_txq_update_write_ptr(priv, &priv->txq[i]);
 
 		priv->isr_stats.wakeup++;
 
-- 
GitLab


From f060face819401fb1f6456d362c5bc6672bba655 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 6 Nov 2009 14:53:02 -0800
Subject: [PATCH 1098/1815] iwlwifi: Fix issue on file transfer stalled in HT
 mode

Turn on RTS/CTS for HT to prevent uCode TX fifo underrun

This is fix for
http://bugzilla.intellinuxwireless.org/show_bug.cgi?id=2103

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Tested-by: Jiajia Zheng <jiajia.zheng@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-1000.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c
index 1e387b9dce1..8f82537045b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-1000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-1000.c
@@ -170,6 +170,7 @@ struct iwl_cfg iwl1000_bgn_cfg = {
 	.shadow_ram_support = false,
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
+	.use_rts_for_ht = true, /* use rts/cts protection */
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.support_ct_kill_exit = true,
 };
-- 
GitLab


From 309e731a619bee28ace609b0c4c3a0029b7e5394 Mon Sep 17 00:00:00 2001
From: Ben Cahill <ben.m.cahill@intel.com>
Date: Fri, 6 Nov 2009 14:53:03 -0800
Subject: [PATCH 1099/1815] iwlwifi: MAC_ACCESS_REQ cleanup

Add txq_id info to "Tx queue requesting wakeup" debug message

Add "Rx queue requesting wakeup" debug message

Move clear of CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ to be after nearby
iwl_write_prph(), since iwl_write_prph() sets it and clears it.  Almost
removed it entirely, but just making sure in case someone removes the
iwl_write_prph()!  Also remove unneeded priv->lock usage; this is now
handled by priv->reg_lock within iwl_clear_bit().

Join a couple of lines that had unneeded line returns.

Signed-off-by: Ben Cahill <ben.m.cahill@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn.c      | 12 +++++-------
 drivers/net/wireless/iwlwifi/iwl-rx.c       |  2 ++
 drivers/net/wireless/iwlwifi/iwl-tx.c       |  3 ++-
 drivers/net/wireless/iwlwifi/iwl3945-base.c |  5 ++---
 4 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 8198e14b8fa..da0b38e866b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1934,19 +1934,17 @@ static void __iwl_down(struct iwl_priv *priv)
 
 	/* device going down, Stop using ICT table */
 	iwl_disable_ict(priv);
-	spin_lock_irqsave(&priv->lock, flags);
-	iwl_clear_bit(priv, CSR_GP_CNTRL,
-			 CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
-	spin_unlock_irqrestore(&priv->lock, flags);
 
 	iwl_txq_ctx_stop(priv);
 	iwl_rxq_stop(priv);
 
-	iwl_write_prph(priv, APMG_CLK_DIS_REG,
-				APMG_CLK_VAL_DMA_CLK_RQT);
-
+	/* Power-down device's busmaster DMA clocks */
+	iwl_write_prph(priv, APMG_CLK_DIS_REG, APMG_CLK_VAL_DMA_CLK_RQT);
 	udelay(5);
 
+	/* Make sure (redundant) we've released our request to stay awake */
+	iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
+
 	/* Stop the device, and put it in low power state */
 	priv->cfg->ops->lib->apm_ops.stop(priv);
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c
index d2dc7cceb5f..61b3b0e6ed7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-rx.c
@@ -140,6 +140,8 @@ int iwl_rx_queue_update_write_ptr(struct iwl_priv *priv, struct iwl_rx_queue *q)
 		reg = iwl_read32(priv, CSR_UCODE_DRV_GP1);
 
 		if (reg & CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP) {
+			IWL_DEBUG_INFO(priv, "Rx queue requesting wakeup, GP1 = 0x%x\n",
+				      reg);
 			iwl_set_bit(priv, CSR_GP_CNTRL,
 				    CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
 			goto exit_unlock;
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index 905ceca88b9..9370e062000 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -96,7 +96,8 @@ int iwl_txq_update_write_ptr(struct iwl_priv *priv, struct iwl_tx_queue *txq)
 		reg = iwl_read32(priv, CSR_UCODE_DRV_GP1);
 
 		if (reg & CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP) {
-			IWL_DEBUG_INFO(priv, "Requesting wakeup, GP1 = 0x%x\n", reg);
+			IWL_DEBUG_INFO(priv, "Tx queue %d requesting wakeup, GP1 = 0x%x\n",
+				      txq_id, reg);
 			iwl_set_bit(priv, CSR_GP_CNTRL,
 				    CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
 			return ret;
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 92ecdd9abd9..05f118529fe 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -2600,9 +2600,8 @@ static void __iwl3945_down(struct iwl_priv *priv)
 	iwl3945_hw_txq_ctx_stop(priv);
 	iwl3945_hw_rxq_stop(priv);
 
-	iwl_write_prph(priv, APMG_CLK_DIS_REG,
-				APMG_CLK_VAL_DMA_CLK_RQT);
-
+	/* Power-down device's busmaster DMA clocks */
+	iwl_write_prph(priv, APMG_CLK_DIS_REG, APMG_CLK_VAL_DMA_CLK_RQT);
 	udelay(5);
 
 	/* Stop the device, and put it in low power state */
-- 
GitLab


From 6a6a5c7af130e703c23d23ebe3cde23e079e554e Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Fri, 6 Nov 2009 15:35:15 -0800
Subject: [PATCH 1100/1815] staging/wireless: don't build when NET etc. are not
 enabled

These wireless drivers in staging could be built when
CONFIG_NET=n, CONFIG_NETDEVICES=n, causing this build error:

net/wireless/wext-priv.c: In function 'ioctl_private_call':
net/wireless/wext-priv.c:206: error: implicit declaration of function 'call_commit_handler'

due to faulty selects.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/staging/arlan/Kconfig   | 2 +-
 drivers/staging/netwave/Kconfig | 2 +-
 drivers/staging/wavelan/Kconfig | 4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/arlan/Kconfig b/drivers/staging/arlan/Kconfig
index 0585ed8b4d3..5e42b81f97b 100644
--- a/drivers/staging/arlan/Kconfig
+++ b/drivers/staging/arlan/Kconfig
@@ -1,6 +1,6 @@
 config ARLAN
 	tristate "Aironet Arlan 655 & IC2200 DS support"
-	depends on ISA && !64BIT
+	depends on ISA && !64BIT && WLAN
 	select WIRELESS_EXT
 	---help---
 	  Aironet makes Arlan, a class of wireless LAN adapters. These use the
diff --git a/drivers/staging/netwave/Kconfig b/drivers/staging/netwave/Kconfig
index c0c996c0550..8033e8171f9 100644
--- a/drivers/staging/netwave/Kconfig
+++ b/drivers/staging/netwave/Kconfig
@@ -1,6 +1,6 @@
 config PCMCIA_NETWAVE
 	tristate "Xircom Netwave AirSurfer Pcmcia wireless support"
-	depends on PCMCIA
+	depends on PCMCIA && WLAN
 	select WIRELESS_EXT
 	select WEXT_PRIV
 	help
diff --git a/drivers/staging/wavelan/Kconfig b/drivers/staging/wavelan/Kconfig
index 786060e025c..af655668c2a 100644
--- a/drivers/staging/wavelan/Kconfig
+++ b/drivers/staging/wavelan/Kconfig
@@ -1,6 +1,6 @@
 config WAVELAN
 	tristate "AT&T/Lucent old WaveLAN & DEC RoamAbout DS ISA support"
-	depends on ISA
+	depends on ISA && WLAN
 	select WIRELESS_EXT
 	select WEXT_SPY
 	select WEXT_PRIV
@@ -25,7 +25,7 @@ config WAVELAN
 
 config PCMCIA_WAVELAN
 	tristate "AT&T/Lucent old WaveLAN Pcmcia wireless support"
-	depends on PCMCIA
+	depends on PCMCIA && WLAN
 	select WIRELESS_EXT
 	select WEXT_SPY
 	select WEXT_PRIV
-- 
GitLab


From c286181d5bfd8703219b954284143cfadff60b9b Mon Sep 17 00:00:00 2001
From: Michael Buesch <mb@bu3sch.de>
Date: Sat, 7 Nov 2009 18:54:22 +0100
Subject: [PATCH 1101/1815] b43-pio: Fix RX error path for rev>=8 devices

This fixes the RX error path for rev>=8 devices.
The wrong register size and definitions were used.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/b43/pio.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/b43/pio.c b/drivers/net/wireless/b43/pio.c
index 3105f235303..7d2550269ed 100644
--- a/drivers/net/wireless/b43/pio.c
+++ b/drivers/net/wireless/b43/pio.c
@@ -761,7 +761,11 @@ data_ready:
 rx_error:
 	if (err_msg)
 		b43dbg(q->dev->wl, "PIO RX error: %s\n", err_msg);
-	b43_piorx_write16(q, B43_PIO_RXCTL, B43_PIO_RXCTL_DATARDY);
+	if (q->rev >= 8)
+		b43_piorx_write32(q, B43_PIO8_RXCTL, B43_PIO8_RXCTL_DATARDY);
+	else
+		b43_piorx_write16(q, B43_PIO_RXCTL, B43_PIO_RXCTL_DATARDY);
+
 	return 1;
 }
 
-- 
GitLab


From 202982dbf51ece7c2b49dc8b6066ff60cb02bcce Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sat, 7 Nov 2009 21:56:08 +0000
Subject: [PATCH 1102/1815] at76c50x-usb: declare MODULE_FIRMWARE

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/at76c50x-usb.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/net/wireless/at76c50x-usb.c b/drivers/net/wireless/at76c50x-usb.c
index e559dc96055..0a917e44b22 100644
--- a/drivers/net/wireless/at76c50x-usb.c
+++ b/drivers/net/wireless/at76c50x-usb.c
@@ -121,6 +121,14 @@ static struct fwentry firmwares[] = {
 	[BOARD_505A] = { "atmel_at76c505a-rfmd2958.bin" },
 	[BOARD_505AMX] = { "atmel_at76c505amx-rfmd.bin" },
 };
+MODULE_FIRMWARE("atmel_at76c503-i3861.bin");
+MODULE_FIRMWARE("atmel_at76c503-i3863.bin");
+MODULE_FIRMWARE("atmel_at76c503-rfmd.bin");
+MODULE_FIRMWARE("atmel_at76c503-rfmd-acc.bin");
+MODULE_FIRMWARE("atmel_at76c505-rfmd.bin");
+MODULE_FIRMWARE("atmel_at76c505-rfmd2958.bin");
+MODULE_FIRMWARE("atmel_at76c505a-rfmd2958.bin");
+MODULE_FIRMWARE("atmel_at76c505amx-rfmd.bin");
 
 #define USB_DEVICE_DATA(__ops)	.driver_info = (kernel_ulong_t)(__ops)
 
-- 
GitLab


From b98a032f6d9d4a5bc17490f67b13e5ca77c8410f Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sat, 7 Nov 2009 21:58:05 +0000
Subject: [PATCH 1103/1815] atmel: declare MODULE_FIRMWARE

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/atmel.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/drivers/net/wireless/atmel.c b/drivers/net/wireless/atmel.c
index cce188837d1..3edbbcf0f54 100644
--- a/drivers/net/wireless/atmel.c
+++ b/drivers/net/wireless/atmel.c
@@ -99,6 +99,22 @@ static struct {
 	{ ATMEL_FW_TYPE_506,		"atmel_at76c506",	"bin" },
 	{ ATMEL_FW_TYPE_NONE,		NULL,			NULL }
 };
+MODULE_FIRMWARE("atmel_at76c502-wpa.bin");
+MODULE_FIRMWARE("atmel_at76c502.bin");
+MODULE_FIRMWARE("atmel_at76c502d-wpa.bin");
+MODULE_FIRMWARE("atmel_at76c502d.bin");
+MODULE_FIRMWARE("atmel_at76c502e-wpa.bin");
+MODULE_FIRMWARE("atmel_at76c502e.bin");
+MODULE_FIRMWARE("atmel_at76c502_3com-wpa.bin");
+MODULE_FIRMWARE("atmel_at76c502_3com.bin");
+MODULE_FIRMWARE("atmel_at76c504-wpa.bin");
+MODULE_FIRMWARE("atmel_at76c504.bin");
+MODULE_FIRMWARE("atmel_at76c504_2958-wpa.bin");
+MODULE_FIRMWARE("atmel_at76c504_2958.bin");
+MODULE_FIRMWARE("atmel_at76c504a_2958-wpa.bin");
+MODULE_FIRMWARE("atmel_at76c504a_2958.bin");
+MODULE_FIRMWARE("atmel_at76c506-wpa.bin");
+MODULE_FIRMWARE("atmel_at76c506.bin");
 
 #define MAX_SSID_LENGTH 32
 #define MGMT_JIFFIES (256 * HZ / 100)
-- 
GitLab


From a278ea3e423f7231934ba06a29592cddad8a6663 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sat, 7 Nov 2009 21:58:47 +0000
Subject: [PATCH 1104/1815] ipw2100: declare MODULE_FIRMWARE

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Acked-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ipw2x00/ipw2100.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/wireless/ipw2x00/ipw2100.c b/drivers/net/wireless/ipw2x00/ipw2100.c
index 240cff1e697..a9bc8a97c4e 100644
--- a/drivers/net/wireless/ipw2x00/ipw2100.c
+++ b/drivers/net/wireless/ipw2x00/ipw2100.c
@@ -8462,6 +8462,12 @@ static int ipw2100_get_firmware(struct ipw2100_priv *priv,
 	return 0;
 }
 
+MODULE_FIRMWARE(IPW2100_FW_NAME("-i"));
+#ifdef CONFIG_IPW2100_MONITOR
+MODULE_FIRMWARE(IPW2100_FW_NAME("-p"));
+#endif
+MODULE_FIRMWARE(IPW2100_FW_NAME(""));
+
 static void ipw2100_release_firmware(struct ipw2100_priv *priv,
 				     struct ipw2100_fw *fw)
 {
-- 
GitLab


From 873395a9fe15e5c42004e341b7d3632e6a273f73 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sat, 7 Nov 2009 21:59:10 +0000
Subject: [PATCH 1105/1815] ipw2200: declare MODULE_FIRMWARE

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Acked-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ipw2x00/ipw2200.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/wireless/ipw2x00/ipw2200.c b/drivers/net/wireless/ipw2x00/ipw2200.c
index 61ef8904af9..39808e9378b 100644
--- a/drivers/net/wireless/ipw2x00/ipw2200.c
+++ b/drivers/net/wireless/ipw2x00/ipw2200.c
@@ -80,6 +80,11 @@ MODULE_DESCRIPTION(DRV_DESCRIPTION);
 MODULE_VERSION(DRV_VERSION);
 MODULE_AUTHOR(DRV_COPYRIGHT);
 MODULE_LICENSE("GPL");
+MODULE_FIRMWARE("ipw2200-ibss.fw");
+#ifdef CONFIG_IPW2200_MONITOR
+MODULE_FIRMWARE("ipw2200-sniffer.fw");
+#endif
+MODULE_FIRMWARE("ipw2200-bss.fw");
 
 static int cmdlog = 0;
 static int debug = 0;
-- 
GitLab


From 328aca32783cc98088151ce905977c8e899e5fc9 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sat, 7 Nov 2009 21:59:38 +0000
Subject: [PATCH 1106/1815] iwmc3200wifi: declare MODULE_FIRMWARE

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwmc3200wifi/sdio.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/wireless/iwmc3200wifi/sdio.c b/drivers/net/wireless/iwmc3200wifi/sdio.c
index cf86294f719..a7ec7eac913 100644
--- a/drivers/net/wireless/iwmc3200wifi/sdio.c
+++ b/drivers/net/wireless/iwmc3200wifi/sdio.c
@@ -399,6 +399,9 @@ static struct iwm_if_ops if_sdio_ops = {
 	.calib_lmac_name = "iwmc3200wifi-calib-sdio.bin",
 	.lmac_name = "iwmc3200wifi-lmac-sdio.bin",
 };
+MODULE_FIRMWARE("iwmc3200wifi-umac-sdio.bin");
+MODULE_FIRMWARE("iwmc3200wifi-calib-sdio.bin");
+MODULE_FIRMWARE("iwmc3200wifi-lmac-sdio.bin");
 
 static int iwm_sdio_probe(struct sdio_func *func,
 			  const struct sdio_device_id *id)
-- 
GitLab


From a974a4bbcb1ceddc9c89defd7dab4da4b2b53d77 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sat, 7 Nov 2009 22:00:03 +0000
Subject: [PATCH 1107/1815] libertas: declare MODULE_FIRMWARE

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/if_cs.c   | 1 +
 drivers/net/wireless/libertas/if_sdio.c | 6 ++++++
 drivers/net/wireless/libertas/if_spi.c  | 4 ++++
 drivers/net/wireless/libertas/if_usb.c  | 2 ++
 4 files changed, 13 insertions(+)

diff --git a/drivers/net/wireless/libertas/if_cs.c b/drivers/net/wireless/libertas/if_cs.c
index 465742f19ec..875516db319 100644
--- a/drivers/net/wireless/libertas/if_cs.c
+++ b/drivers/net/wireless/libertas/if_cs.c
@@ -48,6 +48,7 @@
 MODULE_AUTHOR("Holger Schurig <hs4233@mail.mn-solutions.de>");
 MODULE_DESCRIPTION("Driver for Marvell 83xx compact flash WLAN cards");
 MODULE_LICENSE("GPL");
+MODULE_FIRMWARE("libertas_cs_helper.fw");
 
 
 
diff --git a/drivers/net/wireless/libertas/if_sdio.c b/drivers/net/wireless/libertas/if_sdio.c
index 9716728a33c..09fcfad742e 100644
--- a/drivers/net/wireless/libertas/if_sdio.c
+++ b/drivers/net/wireless/libertas/if_sdio.c
@@ -99,6 +99,12 @@ static struct if_sdio_model if_sdio_models[] = {
 		.firmware = "sd8688.bin",
 	},
 };
+MODULE_FIRMWARE("sd8385_helper.bin");
+MODULE_FIRMWARE("sd8385.bin");
+MODULE_FIRMWARE("sd8686_helper.bin");
+MODULE_FIRMWARE("sd8686.bin");
+MODULE_FIRMWARE("sd8688_helper.bin");
+MODULE_FIRMWARE("sd8688.bin");
 
 struct if_sdio_packet {
 	struct if_sdio_packet	*next;
diff --git a/drivers/net/wireless/libertas/if_spi.c b/drivers/net/wireless/libertas/if_spi.c
index d6a48dd3652..bf4bfbae622 100644
--- a/drivers/net/wireless/libertas/if_spi.c
+++ b/drivers/net/wireless/libertas/if_spi.c
@@ -902,6 +902,10 @@ static int if_spi_calculate_fw_names(u16 card_id,
 		 chip_id_to_device_name[i].name);
 	return 0;
 }
+MODULE_FIRMWARE("libertas/gspi8385_hlp.bin");
+MODULE_FIRMWARE("libertas/gspi8385.bin");
+MODULE_FIRMWARE("libertas/gspi8686_hlp.bin");
+MODULE_FIRMWARE("libertas/gspi8686.bin");
 
 static int __devinit if_spi_probe(struct spi_device *spi)
 {
diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c
index f12d667ba10..65e174595d1 100644
--- a/drivers/net/wireless/libertas/if_usb.c
+++ b/drivers/net/wireless/libertas/if_usb.c
@@ -28,6 +28,8 @@
 static char *lbs_fw_name = "usb8388.bin";
 module_param_named(fw_name, lbs_fw_name, charp, 0644);
 
+MODULE_FIRMWARE("usb8388.bin");
+
 static struct usb_device_id if_usb_table[] = {
 	/* Enter the device signature inside */
 	{ USB_DEVICE(0x1286, 0x2001) },
-- 
GitLab


From 790e7560c09a0184afcc00ac0f8df95de7468acc Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sat, 7 Nov 2009 22:00:38 +0000
Subject: [PATCH 1108/1815] libertas_tf_usb: declare MODULE_FIRMWARE

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas_tf/if_usb.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/wireless/libertas_tf/if_usb.c b/drivers/net/wireless/libertas_tf/if_usb.c
index 392337b37b1..3691c307e67 100644
--- a/drivers/net/wireless/libertas_tf/if_usb.c
+++ b/drivers/net/wireless/libertas_tf/if_usb.c
@@ -23,6 +23,8 @@
 static char *lbtf_fw_name = "lbtf_usb.bin";
 module_param_named(fw_name, lbtf_fw_name, charp, 0644);
 
+MODULE_FIRMWARE("lbtf_usb.bin");
+
 static struct usb_device_id if_usb_table[] = {
 	/* Enter the device signature inside */
 	{ USB_DEVICE(0x1286, 0x2001) },
-- 
GitLab


From 7e75b942f67a13a9980c5e2b4fa1993b20426284 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sat, 7 Nov 2009 22:00:57 +0000
Subject: [PATCH 1109/1815] mwl8k: declare MODULE_FIRMWARE

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwl8k.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 2ebfee4da3f..9e64dd43a3b 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -400,6 +400,9 @@ static int mwl8k_request_firmware(struct mwl8k_priv *priv)
 	return 0;
 }
 
+MODULE_FIRMWARE("mwl8k/helper_8687.fw");
+MODULE_FIRMWARE("mwl8k/fmimage_8687.fw");
+
 struct mwl8k_cmd_pkt {
 	__le16	code;
 	__le16	length;
-- 
GitLab


From 6f48d0e981c026572eac643ed43ebfb883048c14 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sat, 7 Nov 2009 22:01:29 +0000
Subject: [PATCH 1110/1815] orinoco: declare MODULE_FIRMWARE

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/orinoco/fw.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/wireless/orinoco/fw.c b/drivers/net/wireless/orinoco/fw.c
index 1257250a1e2..cfa72962052 100644
--- a/drivers/net/wireless/orinoco/fw.c
+++ b/drivers/net/wireless/orinoco/fw.c
@@ -28,6 +28,12 @@ static const struct fw_info orinoco_fw[] = {
 	{ NULL, "prism_sta_fw.bin", "prism_ap_fw.bin", 0, 1024 },
 	{ "symbol_sp24t_prim_fw", "symbol_sp24t_sec_fw", NULL, 0x00003100, 512 }
 };
+MODULE_FIRMWARE("agere_sta_fw.bin");
+MODULE_FIRMWARE("agere_ap_fw.bin");
+MODULE_FIRMWARE("prism_sta_fw.bin");
+MODULE_FIRMWARE("prism_ap_fw.bin");
+MODULE_FIRMWARE("symbol_sp24t_prim_fw");
+MODULE_FIRMWARE("symbol_sp24t_sec_fw");
 
 /* Structure used to access fields in FW
  * Make sure LE decoding macros are used
-- 
GitLab


From a830e6599263aa535e298f5f834f3a119050757f Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sat, 7 Nov 2009 22:01:55 +0000
Subject: [PATCH 1111/1815] prism54: declare MODULE_FIRMWARE

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/prism54/islpci_dev.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/wireless/prism54/islpci_dev.c b/drivers/net/wireless/prism54/islpci_dev.c
index e26d7b3ceab..3e6a71ce5b5 100644
--- a/drivers/net/wireless/prism54/islpci_dev.c
+++ b/drivers/net/wireless/prism54/islpci_dev.c
@@ -40,6 +40,9 @@
 #define ISL3877_IMAGE_FILE	"isl3877"
 #define ISL3886_IMAGE_FILE	"isl3886"
 #define ISL3890_IMAGE_FILE	"isl3890"
+MODULE_FIRMWARE(ISL3877_IMAGE_FILE);
+MODULE_FIRMWARE(ISL3886_IMAGE_FILE);
+MODULE_FIRMWARE(ISL3890_IMAGE_FILE);
 
 static int prism54_bring_down(islpci_private *);
 static int islpci_alloc_memory(islpci_private *);
-- 
GitLab


From 49f146de405cfb37c51976b8a682330b8cb2972e Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sat, 7 Nov 2009 22:02:15 +0000
Subject: [PATCH 1112/1815] wl12xx: declare MODULE_FIRMWARE

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1251_main.c | 1 +
 drivers/net/wireless/wl12xx/wl1271_main.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/net/wireless/wl12xx/wl1251_main.c b/drivers/net/wireless/wl12xx/wl1251_main.c
index da3bf1cebc0..d03a07e1be7 100644
--- a/drivers/net/wireless/wl12xx/wl1251_main.c
+++ b/drivers/net/wireless/wl12xx/wl1251_main.c
@@ -1431,3 +1431,4 @@ MODULE_DESCRIPTION("TI wl1251 Wireles LAN Driver Core");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Kalle Valo <kalle.valo@nokia.com>");
 MODULE_ALIAS("spi:wl1251");
+MODULE_FIRMWARE(WL1251_FW_NAME);
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index d2149fcd3cf..00ddcc2d37c 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -1979,3 +1979,4 @@ module_exit(wl1271_exit);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Luciano Coelho <luciano.coelho@nokia.com>");
 MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>");
+MODULE_FIRMWARE(WL1271_FW_NAME);
-- 
GitLab


From e01b0e0f90681072d29fe1ba6a29298683f42c15 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sat, 7 Nov 2009 22:02:39 +0000
Subject: [PATCH 1113/1815] zd1201: declare MODULE_FIRMWARE

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/zd1201.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/wireless/zd1201.c b/drivers/net/wireless/zd1201.c
index bc81974a2bc..33c8be7ec8e 100644
--- a/drivers/net/wireless/zd1201.c
+++ b/drivers/net/wireless/zd1201.c
@@ -112,6 +112,9 @@ exit:
 	return err;
 }
 
+MODULE_FIRMWARE("zd1201-ap.fw");
+MODULE_FIRMWARE("zd1201.fw");
+
 static void zd1201_usbfree(struct urb *urb)
 {
 	struct zd1201 *zd = urb->context;
-- 
GitLab


From 3e8b4d006ed04b1ddb7450faee7fa429e2a00e48 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sat, 7 Nov 2009 22:03:22 +0000
Subject: [PATCH 1114/1815] zd1211rw: declare MODULE_FIRMWARE

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/zd1211rw/zd_usb.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c
index d46f20a57b7..ac19ecd19cf 100644
--- a/drivers/net/wireless/zd1211rw/zd_usb.c
+++ b/drivers/net/wireless/zd1211rw/zd_usb.c
@@ -318,6 +318,13 @@ error:
 	return r;
 }
 
+MODULE_FIRMWARE(FW_ZD1211B_PREFIX "ur");
+MODULE_FIRMWARE(FW_ZD1211_PREFIX "ur");
+MODULE_FIRMWARE(FW_ZD1211B_PREFIX "ub");
+MODULE_FIRMWARE(FW_ZD1211_PREFIX "ub");
+MODULE_FIRMWARE(FW_ZD1211B_PREFIX "uphr");
+MODULE_FIRMWARE(FW_ZD1211_PREFIX "uphr");
+
 /* Read data from device address space using "firmware interface" which does
  * not require firmware to be loaded. */
 int zd_usb_read_fw(struct zd_usb *usb, zd_addr_t addr, u8 *data, u16 len)
-- 
GitLab


From f9ef6028b2c1272a2f12299053efef90e8721f21 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Sun, 8 Nov 2009 09:23:07 +0100
Subject: [PATCH 1115/1815] drivers/net/wireless: correct check on
 CCS_START_NETWORK

CCS_START_NETWORK is declared in drivers/net/wireless/rayctl.h with the
comment Values for cmd.  status is previously compared to
CCS_COMMAND_COMPLETE, which is declared in the same file with the comment
Values for buffer_status.  Finally, it is possible at this point that cmd
is CCS_START_NETWORK, because it is compared to that value in an enclosing
switch that has CCS_START_NETWORK as one of two case labels around this code.

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ray_cs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ray_cs.c b/drivers/net/wireless/ray_cs.c
index 88cd58eb3b9..595e4414d77 100644
--- a/drivers/net/wireless/ray_cs.c
+++ b/drivers/net/wireless/ray_cs.c
@@ -2074,7 +2074,7 @@ static irqreturn_t ray_interrupt(int irq, void *dev_id)
 				del_timer(&local->timer);
 				local->timer.expires = jiffies + HZ * 5;
 				local->timer.data = (long)local;
-				if (status == CCS_START_NETWORK) {
+				if (cmd == CCS_START_NETWORK) {
 					DEBUG(0,
 					      "ray_cs interrupt network \"%s\" start failed\n",
 					      local->sparm.b4.a_current_ess_id);
-- 
GitLab


From 2015d1920c6ec637b16db1e8734d9070983db21f Mon Sep 17 00:00:00 2001
From: Gertjan van Wingerde <gwingerde@gmail.com>
Date: Sun, 8 Nov 2009 12:30:14 +0100
Subject: [PATCH 1116/1815] rt2x00: Move interface type assignments to generic
 code.

Make sure all drivers can benefit of the assignment of the interface
type of an adapter, instead of keeping it for rt2800 only.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800pci.c | 2 --
 drivers/net/wireless/rt2x00/rt2800usb.c | 2 --
 drivers/net/wireless/rt2x00/rt2x00pci.c | 2 ++
 drivers/net/wireless/rt2x00/rt2x00soc.c | 5 +++++
 drivers/net/wireless/rt2x00/rt2x00usb.c | 2 ++
 5 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 3c5b875cdee..bff870799f6 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -1465,8 +1465,6 @@ static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev)
 {
 	int retval;
 
-	rt2x00_set_chip_intf(rt2x00dev, RT2X00_CHIP_INTF_PCI);
-
 	rt2x00dev->priv = (void *)&rt2800pci_rt2800_ops;
 
 	/*
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index ce2e893856c..3168ad4437a 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -1074,8 +1074,6 @@ static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
 {
 	int retval;
 
-	rt2x00_set_chip_intf(rt2x00dev, RT2X00_CHIP_INTF_USB);
-
 	rt2x00dev->priv = (void *)&rt2800usb_rt2800_ops;
 
 	/*
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c
index cdd5154bd4c..ece70d72880 100644
--- a/drivers/net/wireless/rt2x00/rt2x00pci.c
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.c
@@ -310,6 +310,8 @@ int rt2x00pci_probe(struct pci_dev *pci_dev, const struct pci_device_id *id)
 	rt2x00dev->irq = pci_dev->irq;
 	rt2x00dev->name = pci_name(pci_dev);
 
+	rt2x00_set_chip_intf(rt2x00dev, RT2X00_CHIP_INTF_PCI);
+
 	/*
 	 * Determine RT chipset by reading PCI header.
 	 */
diff --git a/drivers/net/wireless/rt2x00/rt2x00soc.c b/drivers/net/wireless/rt2x00/rt2x00soc.c
index 539568c4895..4abcfa6bf1b 100644
--- a/drivers/net/wireless/rt2x00/rt2x00soc.c
+++ b/drivers/net/wireless/rt2x00/rt2x00soc.c
@@ -93,6 +93,11 @@ int rt2x00soc_probe(struct platform_device *pdev,
 	rt2x00dev->irq = platform_get_irq(pdev, 0);
 	rt2x00dev->name = pdev->dev.driver->name;
 
+	/*
+	 * SoC devices mimic PCI behavior.
+	 */
+	rt2x00_set_chip_intf(rt2x00dev, RT2X00_CHIP_INTF_PCI);
+
 	rt2x00_set_chip_rt(rt2x00dev, chipset);
 
 	retval = rt2x00soc_alloc_reg(rt2x00dev);
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c
index c9cbdaa1073..aa6c31d612a 100644
--- a/drivers/net/wireless/rt2x00/rt2x00usb.c
+++ b/drivers/net/wireless/rt2x00/rt2x00usb.c
@@ -653,6 +653,8 @@ int rt2x00usb_probe(struct usb_interface *usb_intf,
 	rt2x00dev->ops = ops;
 	rt2x00dev->hw = hw;
 
+	rt2x00_set_chip_intf(rt2x00dev, RT2X00_CHIP_INTF_USB);
+
 	retval = rt2x00usb_alloc_reg(rt2x00dev);
 	if (retval)
 		goto exit_free_device;
-- 
GitLab


From ac9d1a7bef71afa4837769ef38edb0f7e2ef8028 Mon Sep 17 00:00:00 2001
From: Gertjan van Wingerde <gwingerde@gmail.com>
Date: Mon, 9 Nov 2009 23:38:35 +0100
Subject: [PATCH 1117/1815] rt2x00: Fix building of rt2800lib when rt2x00
 driver is built-in.

When enabling rt2800usb as a built-in driver (as opposed to a as a module) the build fails. See
http://marc.info/?l=linux-wireless&m=125768687711034&w=2 for details.

Fix it by properly including <linux/usb.h> from rt2x00usb.h

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2x00usb.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.h b/drivers/net/wireless/rt2x00/rt2x00usb.h
index 9943e428bc2..1c9d6cafb05 100644
--- a/drivers/net/wireless/rt2x00/rt2x00usb.h
+++ b/drivers/net/wireless/rt2x00/rt2x00usb.h
@@ -26,6 +26,8 @@
 #ifndef RT2X00USB_H
 #define RT2X00USB_H
 
+#include <linux/usb.h>
+
 #define to_usb_device_intf(d) \
 ({ \
 	struct usb_interface *intf = to_usb_interface(d); \
-- 
GitLab


From 3491707a070c1183c709516b2f876f798c7a9a84 Mon Sep 17 00:00:00 2001
From: Rui Paulo <rpaulo@gmail.com>
Date: Mon, 9 Nov 2009 23:46:39 +0000
Subject: [PATCH 1118/1815] mac80211: update meshconf IE

This updates the Mesh Configuration IE according to the latest
draft (3.03).
Notable changes include the simplified protocol IDs.

Signed-off-by: Rui Paulo <rpaulo@gmail.com>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Reviewed-by: Andrey Yurovsky <andrey@cozybit.com>
Tested-by: Brian Cavagnolo <brian@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 include/linux/ieee80211.h  |  2 +-
 net/mac80211/ieee80211_i.h | 10 +++---
 net/mac80211/mesh.c        | 69 ++++++++++++++++----------------------
 3 files changed, 35 insertions(+), 46 deletions(-)

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 0aa83146749..50c684db33c 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -115,7 +115,7 @@
 #define IEEE80211_MAX_SSID_LEN		32
 
 #define IEEE80211_MAX_MESH_ID_LEN	32
-#define IEEE80211_MESH_CONFIG_LEN	24
+#define IEEE80211_MESH_CONFIG_LEN	7
 
 #define IEEE80211_QOS_CTL_LEN		2
 #define IEEE80211_QOS_CTL_TID_MASK	0x000F
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 1ef767366b7..1f4f88a8f80 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -361,15 +361,15 @@ struct ieee80211_if_mesh {
 	u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN];
 	size_t mesh_id_len;
 	/* Active Path Selection Protocol Identifier */
-	u8 mesh_pp_id[4];
+	u8 mesh_pp_id;
 	/* Active Path Selection Metric Identifier */
-	u8 mesh_pm_id[4];
+	u8 mesh_pm_id;
 	/* Congestion Control Mode Identifier */
-	u8 mesh_cc_id[4];
+	u8 mesh_cc_id;
 	/* Synchronization Protocol Identifier */
-	u8 mesh_sp_id[4];
+	u8 mesh_sp_id;
 	/* Authentication Protocol Identifier */
-	u8 mesh_auth_id[4];
+	u8 mesh_auth_id;
 	/* Local mesh Destination Sequence Number */
 	u32 dsn;
 	/* Last used PREQ ID */
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 9a733890eb4..a49a3374acb 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -15,14 +15,14 @@
 #define IEEE80211_MESH_PEER_INACTIVITY_LIMIT (1800 * HZ)
 #define IEEE80211_MESH_HOUSEKEEPING_INTERVAL (60 * HZ)
 
-#define PP_OFFSET 	1		/* Path Selection Protocol */
-#define PM_OFFSET	5		/* Path Selection Metric   */
-#define CC_OFFSET	9		/* Congestion Control Mode */
-#define SP_OFFSET	13		/* Synchronization Protocol */
-#define AUTH_OFFSET	17		/* Authentication Protocol */
-#define CAPAB_OFFSET 	22
-#define CAPAB_ACCEPT_PLINKS 0x80
-#define CAPAB_FORWARDING    0x10
+#define MESHCONF_PP_OFFSET 	0		/* Path Selection Protocol */
+#define MESHCONF_PM_OFFSET	1		/* Path Selection Metric   */
+#define MESHCONF_CC_OFFSET	2		/* Congestion Control Mode */
+#define MESHCONF_SP_OFFSET	3		/* Synchronization Protocol */
+#define MESHCONF_AUTH_OFFSET	4		/* Authentication Protocol */
+#define MESHCONF_CAPAB_OFFSET 	6
+#define MESHCONF_CAPAB_ACCEPT_PLINKS 0x01
+#define MESHCONF_CAPAB_FORWARDING    0x08
 
 #define TMR_RUNNING_HK	0
 #define TMR_RUNNING_MP	1
@@ -85,11 +85,12 @@ bool mesh_matches_local(struct ieee802_11_elems *ie, struct ieee80211_sub_if_dat
 	 */
 	if (ifmsh->mesh_id_len == ie->mesh_id_len &&
 		memcmp(ifmsh->mesh_id, ie->mesh_id, ie->mesh_id_len) == 0 &&
-		memcmp(ifmsh->mesh_pp_id, ie->mesh_config + PP_OFFSET, 4) == 0 &&
-		memcmp(ifmsh->mesh_pm_id, ie->mesh_config + PM_OFFSET, 4) == 0 &&
-		memcmp(ifmsh->mesh_cc_id, ie->mesh_config + CC_OFFSET, 4) == 0 &&
-		memcmp(ifmsh->mesh_sp_id, ie->mesh_config + SP_OFFSET, 4) == 0 &&
-		memcmp(ifmsh->mesh_auth_id, ie->mesh_config + AUTH_OFFSET, 4) == 0)
+		(ifmsh->mesh_pp_id == *(ie->mesh_config + MESHCONF_PP_OFFSET))&&
+		(ifmsh->mesh_pm_id == *(ie->mesh_config + MESHCONF_PM_OFFSET))&&
+		(ifmsh->mesh_cc_id == *(ie->mesh_config + MESHCONF_CC_OFFSET))&&
+		(ifmsh->mesh_sp_id == *(ie->mesh_config + MESHCONF_SP_OFFSET))&&
+		(ifmsh->mesh_auth_id == *(ie->mesh_config +
+		    MESHCONF_AUTH_OFFSET)))
 		return true;
 
 	return false;
@@ -102,7 +103,8 @@ bool mesh_matches_local(struct ieee802_11_elems *ie, struct ieee80211_sub_if_dat
  */
 bool mesh_peer_accepts_plinks(struct ieee802_11_elems *ie)
 {
-	return (*(ie->mesh_config + CAPAB_OFFSET) & CAPAB_ACCEPT_PLINKS) != 0;
+	return (*(ie->mesh_config + MESHCONF_CAPAB_OFFSET) &
+	    MESHCONF_CAPAB_ACCEPT_PLINKS) != 0;
 }
 
 /**
@@ -128,18 +130,11 @@ void mesh_accept_plinks_update(struct ieee80211_sub_if_data *sdata)
 
 void mesh_ids_set_default(struct ieee80211_if_mesh *sta)
 {
-	u8 oui[3] = {0x00, 0x0F, 0xAC};
-
-	memcpy(sta->mesh_pp_id, oui, sizeof(oui));
-	memcpy(sta->mesh_pm_id, oui, sizeof(oui));
-	memcpy(sta->mesh_cc_id, oui, sizeof(oui));
-	memcpy(sta->mesh_sp_id, oui, sizeof(oui));
-	memcpy(sta->mesh_auth_id, oui, sizeof(oui));
-	sta->mesh_pp_id[sizeof(oui)] = 0;
-	sta->mesh_pm_id[sizeof(oui)] = 0;
-	sta->mesh_cc_id[sizeof(oui)] = 0xff;
-	sta->mesh_sp_id[sizeof(oui)] = 0xff;
-	sta->mesh_auth_id[sizeof(oui)] = 0x0;
+	sta->mesh_pp_id = 0;	/* HWMP */
+	sta->mesh_pm_id = 0;	/* Airtime */
+	sta->mesh_cc_id = 0;	/* Disabled */
+	sta->mesh_sp_id = 0;	/* Neighbor Offset */
+	sta->mesh_auth_id = 0;	/* Disabled */
 }
 
 int mesh_rmc_init(struct ieee80211_sub_if_data *sdata)
@@ -260,28 +255,21 @@ void mesh_mgmt_ies_add(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata)
 	pos = skb_put(skb, 2 + IEEE80211_MESH_CONFIG_LEN);
 	*pos++ = WLAN_EID_MESH_CONFIG;
 	*pos++ = IEEE80211_MESH_CONFIG_LEN;
-	/* Version */
-	*pos++ = 1;
 
 	/* Active path selection protocol ID */
-	memcpy(pos, sdata->u.mesh.mesh_pp_id, 4);
-	pos += 4;
+	*pos++ = sdata->u.mesh.mesh_pp_id;
 
 	/* Active path selection metric ID   */
-	memcpy(pos, sdata->u.mesh.mesh_pm_id, 4);
-	pos += 4;
+	*pos++ = sdata->u.mesh.mesh_pm_id;
 
 	/* Congestion control mode identifier */
-	memcpy(pos, sdata->u.mesh.mesh_cc_id, 4);
-	pos += 4;
+	*pos++ = sdata->u.mesh.mesh_cc_id;
 
 	/* Synchronization protocol identifier */
-	memcpy(pos, sdata->u.mesh.mesh_sp_id, 4);
-	pos += 4;
+	*pos++ = sdata->u.mesh.mesh_sp_id;
 
 	/* Authentication Protocol identifier */
-	memcpy(pos, sdata->u.mesh.mesh_auth_id, 4);
-	pos += 4;
+	*pos++ = sdata->u.mesh.mesh_auth_id;
 
 	/* Mesh Formation Info */
 	memset(pos, 0x00, 1);
@@ -289,8 +277,9 @@ void mesh_mgmt_ies_add(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata)
 
 	/* Mesh capability */
 	sdata->u.mesh.accepting_plinks = mesh_plink_availables(sdata);
-	*pos = CAPAB_FORWARDING;
-	*pos++ |= sdata->u.mesh.accepting_plinks ? CAPAB_ACCEPT_PLINKS : 0x00;
+	*pos = MESHCONF_CAPAB_FORWARDING;
+	*pos++ |= sdata->u.mesh.accepting_plinks ?
+	    MESHCONF_CAPAB_ACCEPT_PLINKS : 0x00;
 	*pos++ = 0x00;
 
 	return;
-- 
GitLab


From a1935218da8964a033bdf68c591629741c94eeec Mon Sep 17 00:00:00 2001
From: Rui Paulo <rpaulo@gmail.com>
Date: Mon, 9 Nov 2009 23:46:40 +0000
Subject: [PATCH 1119/1815] mac80211: set MESH_TTL to 31

Update the mesh time to live field to 31 according to draft 3.03.

Signed-off-by: Rui Paulo <rpaulo@gmail.com>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Reviewed-by: Andrey Yurovsky <andrey@cozybit.com>
Tested-by: Brian Cavagnolo <brian@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/mesh.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index dd1c19319f0..9948107e831 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -174,7 +174,7 @@ struct mesh_rmc {
 #define MESH_CFG_CMP_LEN 	(IEEE80211_MESH_CONFIG_LEN - 2)
 
 /* Default values, timeouts in ms */
-#define MESH_TTL 		5
+#define MESH_TTL 		31
 #define MESH_MAX_RETR	 	3
 #define MESH_RET_T 		100
 #define MESH_CONF_T 		100
-- 
GitLab


From 8f2fda9594f083981ad54c1994863875fe680925 Mon Sep 17 00:00:00 2001
From: Rui Paulo <rpaulo@gmail.com>
Date: Mon, 9 Nov 2009 23:46:41 +0000
Subject: [PATCH 1120/1815] mac80211: implement the meshconf formation info
 field

The Mesh Configuration Formation Info field contains the number of
neighbors.  This means that the beacon must be updated every time a
peer joins or leaves.

Signed-off-by: Rui Paulo <rpaulo@gmail.com>
Signed-off-by: Javier Cardona <rpaulo@gmail.com>
Reviewed-by: Andrey Yurovsky <andrey@cozybit.com>
Tested-by: Brian Cavagnolo <brian@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/mesh.c       | 9 ++++++---
 net/mac80211/mesh_plink.c | 2 ++
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index a49a3374acb..79425182c29 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -223,6 +223,7 @@ void mesh_mgmt_ies_add(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata)
 	struct ieee80211_supported_band *sband;
 	u8 *pos;
 	int len, i, rate;
+	u8 neighbors;
 
 	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
 	len = sband->n_bitrates;
@@ -271,9 +272,11 @@ void mesh_mgmt_ies_add(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata)
 	/* Authentication Protocol identifier */
 	*pos++ = sdata->u.mesh.mesh_auth_id;
 
-	/* Mesh Formation Info */
-	memset(pos, 0x00, 1);
-	pos += 1;
+	/* Mesh Formation Info - number of neighbors */
+	neighbors = atomic_read(&sdata->u.mesh.mshstats.estab_plinks);
+	/* Number of neighbor mesh STAs or 15 whichever is smaller */
+	neighbors = (neighbors > 15) ? 15 : neighbors;
+	*pos++ = neighbors << 1;
 
 	/* Mesh capability */
 	sdata->u.mesh.accepting_plinks = mesh_plink_availables(sdata);
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index ffcbad75e09..f98c8d23f58 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -65,6 +65,7 @@ void mesh_plink_inc_estab_count(struct ieee80211_sub_if_data *sdata)
 {
 	atomic_inc(&sdata->u.mesh.mshstats.estab_plinks);
 	mesh_accept_plinks_update(sdata);
+	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON);
 }
 
 static inline
@@ -72,6 +73,7 @@ void mesh_plink_dec_estab_count(struct ieee80211_sub_if_data *sdata)
 {
 	atomic_dec(&sdata->u.mesh.mshstats.estab_plinks);
 	mesh_accept_plinks_update(sdata);
+	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON);
 }
 
 /**
-- 
GitLab


From 23c7a29cd020250646249592941261777cbeaf16 Mon Sep 17 00:00:00 2001
From: Rui Paulo <rpaulo@gmail.com>
Date: Mon, 9 Nov 2009 23:46:42 +0000
Subject: [PATCH 1121/1815] mac80211: fix typo in a comment

Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: Rui Paulo <rpaulo@gmail.com>
Reviewed-by: Andrey Yurovsky <andrey@cozybit.com>
Tested-by: Brian Cavagnolo <brian@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/mesh_plink.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index f98c8d23f58..418875246a0 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -79,7 +79,7 @@ void mesh_plink_dec_estab_count(struct ieee80211_sub_if_data *sdata)
 /**
  * mesh_plink_fsm_restart - restart a mesh peer link finite state machine
  *
- * @sta: mes peer link to restart
+ * @sta: mesh peer link to restart
  *
  * Locking: this function must be called holding sta->lock
  */
-- 
GitLab


From 0938393f02c5a4db75a6e38ee31645c974169bb5 Mon Sep 17 00:00:00 2001
From: Rui Paulo <rpaulo@gmail.com>
Date: Mon, 9 Nov 2009 23:46:43 +0000
Subject: [PATCH 1122/1815] mac80211: update peer link management IE and action
 frames

Update the length and format of the peer link management action frames.

Signed-off-by: Rui Paulo <rpaulo@gmail.com>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Reviewed-by: Andrey Yurovsky <andrey@cozybit.com>
Tested-by: Brian Cavagnolo <brian@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/mesh.c       |  2 +-
 net/mac80211/mesh.h       |  2 +-
 net/mac80211/mesh_plink.c | 32 +++++++++++++++++---------------
 net/mac80211/rx.c         |  2 +-
 4 files changed, 20 insertions(+), 18 deletions(-)

diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 79425182c29..63427d98321 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -553,7 +553,7 @@ static void ieee80211_mesh_rx_mgmt_action(struct ieee80211_sub_if_data *sdata,
 					  struct ieee80211_rx_status *rx_status)
 {
 	switch (mgmt->u.action.category) {
-	case PLINK_CATEGORY:
+	case MESH_PLINK_CATEGORY:
 		mesh_rx_plink_frame(sdata, mgmt, len, rx_status);
 		break;
 	case MESH_PATH_SEL_CATEGORY:
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 9948107e831..536d5c07fd1 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -206,7 +206,7 @@ struct mesh_rmc {
 #define MESH_MAX_MPATHS		1024
 
 /* Pending ANA approval */
-#define PLINK_CATEGORY		30
+#define MESH_PLINK_CATEGORY	30
 #define MESH_PATH_SEL_CATEGORY	32
 
 /* Public interfaces */
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index 418875246a0..8a54bc836c9 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -18,9 +18,8 @@
 #define mpl_dbg(fmt, args...)	do { (void)(0); } while (0)
 #endif
 
-#define PLINK_GET_FRAME_SUBTYPE(p) (p)
-#define PLINK_GET_LLID(p) (p + 1)
-#define PLINK_GET_PLID(p) (p + 3)
+#define PLINK_GET_LLID(p) (p + 4)
+#define PLINK_GET_PLID(p) (p + 6)
 
 #define mod_plink_timer(s, t) (mod_timer(&s->plink_timer, \
 				jiffies + HZ * t / 1000))
@@ -154,6 +153,7 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
 	struct sk_buff *skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400);
 	struct ieee80211_mgmt *mgmt;
 	bool include_plid = false;
+	static const u8 meshpeeringproto[] = { 0x00, 0x0F, 0xAC, 0x2A };
 	u8 *pos;
 	int ie_len;
 
@@ -171,7 +171,7 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
 	memcpy(mgmt->da, da, ETH_ALEN);
 	memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
 	/* BSSID is left zeroed, wildcard value */
-	mgmt->u.action.category = PLINK_CATEGORY;
+	mgmt->u.action.category = MESH_PLINK_CATEGORY;
 	mgmt->u.action.u.plink_action.action_code = action;
 
 	if (action == PLINK_CLOSE)
@@ -189,18 +189,18 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
 	/* Add Peer Link Management element */
 	switch (action) {
 	case PLINK_OPEN:
-		ie_len = 3;
+		ie_len = 6;
 		break;
 	case PLINK_CONFIRM:
-		ie_len = 5;
+		ie_len = 8;
 		include_plid = true;
 		break;
 	case PLINK_CLOSE:
 	default:
 		if (!plid)
-			ie_len = 5;
+			ie_len = 8;
 		else {
-			ie_len = 7;
+			ie_len = 10;
 			include_plid = true;
 		}
 		break;
@@ -209,7 +209,8 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
 	pos = skb_put(skb, 2 + ie_len);
 	*pos++ = WLAN_EID_PEER_LINK;
 	*pos++ = ie_len;
-	*pos++ = action;
+	memcpy(pos, meshpeeringproto, sizeof(meshpeeringproto));
+	pos += 4;
 	memcpy(pos, &llid, 2);
 	if (include_plid) {
 		pos += 2;
@@ -419,12 +420,13 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
 		return;
 	}
 
-	ftype = *((u8 *)PLINK_GET_FRAME_SUBTYPE(elems.peer_link));
+	ftype = mgmt->u.action.u.plink_action.action_code;
 	ie_len = elems.peer_link_len;
-	if ((ftype == PLINK_OPEN && ie_len != 3) ||
-	    (ftype == PLINK_CONFIRM && ie_len != 5) ||
-	    (ftype == PLINK_CLOSE && ie_len != 5 && ie_len != 7)) {
-		mpl_dbg("Mesh plink: incorrect plink ie length\n");
+	if ((ftype == PLINK_OPEN && ie_len != 6) ||
+	    (ftype == PLINK_CONFIRM && ie_len != 8) ||
+	    (ftype == PLINK_CLOSE && ie_len != 8 && ie_len != 10)) {
+		mpl_dbg("Mesh plink: incorrect plink ie length %d %d\n",
+		    ftype, ie_len);
 		return;
 	}
 
@@ -436,7 +438,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
 	 * from the point of view of this host.
 	 */
 	memcpy(&plid, PLINK_GET_LLID(elems.peer_link), 2);
-	if (ftype == PLINK_CONFIRM || (ftype == PLINK_CLOSE && ie_len == 7))
+	if (ftype == PLINK_CONFIRM || (ftype == PLINK_CLOSE && ie_len == 10))
 		memcpy(&llid, PLINK_GET_PLID(elems.peer_link), 2);
 
 	rcu_read_lock();
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 28316b2a585..4066570dd41 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -507,7 +507,7 @@ ieee80211_rx_mesh_check(struct ieee80211_rx_data *rx)
 
 		if (ieee80211_is_action(hdr->frame_control)) {
 			mgmt = (struct ieee80211_mgmt *)hdr;
-			if (mgmt->u.action.category != PLINK_CATEGORY)
+			if (mgmt->u.action.category != MESH_PLINK_CATEGORY)
 				return RX_DROP_MONITOR;
 			return RX_CONTINUE;
 		}
-- 
GitLab


From 095de01325962e7574d5793193c6f3ae9a175aab Mon Sep 17 00:00:00 2001
From: Rui Paulo <rpaulo@gmail.com>
Date: Mon, 9 Nov 2009 23:46:44 +0000
Subject: [PATCH 1123/1815] mac80211: update the format of path selection
 frames

Update the format of path selection frames according to latest
draft (3.03).

Signed-off-by: Rui Paulo <rpaulo@gmail.com>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Reviewed-by: Andrey Yurovsky <andrey@cozybit.com>
Tested-by: Brian Cavagnolo <brian@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/mesh.h      | 1 +
 net/mac80211/mesh_hwmp.c | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 536d5c07fd1..2fd3e200a06 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -208,6 +208,7 @@ struct mesh_rmc {
 /* Pending ANA approval */
 #define MESH_PLINK_CATEGORY	30
 #define MESH_PATH_SEL_CATEGORY	32
+#define MESH_PATH_SEL_ACTION	0
 
 /* Public interfaces */
 /* Various */
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 29b82e98eff..c291cdb7531 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -105,7 +105,7 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
 	memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
 	/* BSSID is left zeroed, wildcard value */
 	mgmt->u.action.category = MESH_PATH_SEL_CATEGORY;
-	mgmt->u.action.u.mesh_action.action_code = action;
+	mgmt->u.action.u.mesh_action.action_code = MESH_PATH_SEL_ACTION;
 
 	switch (action) {
 	case MPATH_PREQ:
-- 
GitLab


From 27db2e423fdeae8815087677261ab72cca7b3c28 Mon Sep 17 00:00:00 2001
From: Rui Paulo <rpaulo@gmail.com>
Date: Mon, 9 Nov 2009 23:46:45 +0000
Subject: [PATCH 1124/1815] mac80211: add MAC80211_VERBOSE_MHWMP_DEBUG

Add MAC80211_VERBOSE_MHWMP_DEBUG, a debugging option for HWMP
frame processing.

Signed-off-by: Rui Paulo <rpaulo@gmail.com>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Reviewed-by: Andrey Yurovsky <andrey@cozybit.com>
Tested-by: Brian Cavagnolo <brian@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/Kconfig     | 13 +++++++++++++
 net/mac80211/mesh_hwmp.c | 19 +++++++++++++++----
 2 files changed, 28 insertions(+), 4 deletions(-)

diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig
index 4d5543af312..a10d508b07e 100644
--- a/net/mac80211/Kconfig
+++ b/net/mac80211/Kconfig
@@ -194,6 +194,19 @@ config MAC80211_VERBOSE_MPL_DEBUG
 
 	  Do not select this option.
 
+config MAC80211_VERBOSE_MHWMP_DEBUG
+	bool "Verbose mesh HWMP routing debugging"
+	depends on MAC80211_DEBUG_MENU
+	depends on MAC80211_MESH
+	---help---
+	  Selecting this option causes mac80211 to print out very
+	  verbose mesh routing (HWMP) debugging messages (when mac80211
+	  is taking part in a mesh network).
+	  It should not be selected on production systems as those
+	  messages are remotely triggerable.
+
+	  Do not select this option.
+
 config MAC80211_DEBUG_COUNTERS
 	bool "Extra statistics for TX/RX debugging"
 	depends on MAC80211_DEBUG_MENU
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index c291cdb7531..6dbaec53653 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -9,6 +9,12 @@
 
 #include "mesh.h"
 
+#ifdef CONFIG_MAC80211_VERBOSE_MHWMP_DEBUG
+#define mhwmp_dbg(fmt, args...)   printk(KERN_DEBUG "Mesh HWMP: " fmt, ##args)
+#else
+#define mhwmp_dbg(fmt, args...)   do { (void)(0); } while (0)
+#endif
+
 #define TEST_FRAME_LEN	8192
 #define MAX_METRIC	0xffffffff
 #define ARITH_SHIFT	8
@@ -109,11 +115,13 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
 
 	switch (action) {
 	case MPATH_PREQ:
+		mhwmp_dbg("sending PREQ\n");
 		ie_len = 37;
 		pos = skb_put(skb, 2 + ie_len);
 		*pos++ = WLAN_EID_PREQ;
 		break;
 	case MPATH_PREP:
+		mhwmp_dbg("sending PREP\n");
 		ie_len = 31;
 		pos = skb_put(skb, 2 + ie_len);
 		*pos++ = WLAN_EID_PREP;
@@ -432,6 +440,8 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
 	orig_dsn = PREQ_IE_ORIG_DSN(preq_elem);
 	dst_flags = PREQ_IE_DST_F(preq_elem);
 
+	mhwmp_dbg("received PREQ\n");
+
 	if (memcmp(dst_addr, sdata->dev->dev_addr, ETH_ALEN) == 0) {
 		forward = false;
 		reply = true;
@@ -467,13 +477,14 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
 	if (reply) {
 		lifetime = PREQ_IE_LIFETIME(preq_elem);
 		ttl = ifmsh->mshcfg.dot11MeshTTL;
-		if (ttl != 0)
+		if (ttl != 0) {
+			mhwmp_dbg("replying to the PREQ\n");
 			mesh_path_sel_frame_tx(MPATH_PREP, 0, dst_addr,
 				cpu_to_le32(dst_dsn), 0, orig_addr,
 				cpu_to_le32(orig_dsn), mgmt->sa, 0, ttl,
 				cpu_to_le32(lifetime), cpu_to_le32(metric),
 				0, sdata);
-		else
+		} else
 			ifmsh->mshstats.dropped_frames_ttl++;
 	}
 
@@ -661,7 +672,7 @@ static void mesh_queue_preq(struct mesh_path *mpath, u8 flags)
 
 	preq_node = kmalloc(sizeof(struct mesh_preq_queue), GFP_ATOMIC);
 	if (!preq_node) {
-		printk(KERN_DEBUG "Mesh HWMP: could not allocate PREQ node\n");
+		mhwmp_dbg("could not allocate PREQ node\n");
 		return;
 	}
 
@@ -670,7 +681,7 @@ static void mesh_queue_preq(struct mesh_path *mpath, u8 flags)
 		spin_unlock(&ifmsh->mesh_preq_queue_lock);
 		kfree(preq_node);
 		if (printk_ratelimit())
-			printk(KERN_DEBUG "Mesh HWMP: PREQ node queue full\n");
+			mhwmp_dbg("PREQ node queue full\n");
 		return;
 	}
 
-- 
GitLab


From dbb81c428bf534fcfe94102acca50f6d56504999 Mon Sep 17 00:00:00 2001
From: Rui Paulo <rpaulo@gmail.com>
Date: Mon, 9 Nov 2009 23:46:46 +0000
Subject: [PATCH 1125/1815] mac80211: allow processing of more than one HWMP IE

Since the HWMP IEs are now all optional and the action code is fixed,
allow the HWMP code to find and process each IE on the path
selection action frames.

Signed-off-by: Rui Paulo <rpaulo@gmail.com>
Signed-off-by: Javier Cardona <rpaulo@cozybit.com>
Reviewed-by: Andrey Yurovsky <andrey@cozybit.com>
Tested-by: Brian Cavagnolo <brian@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/mesh_hwmp.c | 47 +++++++++++++++++++++-------------------
 1 file changed, 25 insertions(+), 22 deletions(-)

diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 6dbaec53653..e67e812f78e 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -192,7 +192,7 @@ int mesh_path_error_tx(u8 *dst, __le32 dst_dsn, u8 *ra,
 	memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
 	/* BSSID is left zeroed, wildcard value */
 	mgmt->u.action.category = MESH_PATH_SEL_CATEGORY;
-	mgmt->u.action.u.mesh_action.action_code = MPATH_PERR;
+	mgmt->u.action.u.mesh_action.action_code = MESH_PATH_SEL_ACTION;
 	ie_len = 12;
 	pos = skb_put(skb, 2 + ie_len);
 	*pos++ = WLAN_EID_PERR;
@@ -277,7 +277,7 @@ static u32 airtime_link_metric_get(struct ieee80211_local *local,
  */
 static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,
 			    struct ieee80211_mgmt *mgmt,
-			    u8 *hwmp_ie)
+			    u8 *hwmp_ie, enum mpath_frame_type action)
 {
 	struct ieee80211_local *local = sdata->local;
 	struct mesh_path *mpath;
@@ -288,7 +288,6 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,
 	unsigned long orig_lifetime, exp_time;
 	u32 last_hop_metric, new_metric;
 	bool process = true;
-	u8 action = mgmt->u.action.u.mesh_action.action_code;
 
 	rcu_read_lock();
 	sta = sta_info_get(local, mgmt->sa);
@@ -443,6 +442,7 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
 	mhwmp_dbg("received PREQ\n");
 
 	if (memcmp(dst_addr, sdata->dev->dev_addr, ETH_ALEN) == 0) {
+		mhwmp_dbg("PREQ is for us\n");
 		forward = false;
 		reply = true;
 		metric = 0;
@@ -498,6 +498,7 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
 			ifmsh->mshstats.dropped_frames_ttl++;
 			return;
 		}
+		mhwmp_dbg("forwarding the PREQ\n");
 		--ttl;
 		flags = PREQ_IE_FLAGS(preq_elem);
 		preq_id = PREQ_IE_PREQ_ID(preq_elem);
@@ -524,6 +525,8 @@ static void hwmp_prep_frame_process(struct ieee80211_sub_if_data *sdata,
 	u8 next_hop[ETH_ALEN];
 	u32 dst_dsn, orig_dsn, lifetime;
 
+	mhwmp_dbg("received PREP\n");
+
 	/* Note that we divert from the draft nomenclature and denominate
 	 * destination to what the draft refers to as origininator. So in this
 	 * function destnation refers to the final destination of the PREP,
@@ -625,32 +628,32 @@ void mesh_rx_path_sel_frame(struct ieee80211_sub_if_data *sdata,
 	ieee802_11_parse_elems(mgmt->u.action.u.mesh_action.variable,
 			len - baselen, &elems);
 
-	switch (mgmt->u.action.u.mesh_action.action_code) {
-	case MPATH_PREQ:
-		if (!elems.preq || elems.preq_len != 37)
+	mhwmp_dbg("RX path selection frame\n");
+	if (elems.preq) {
+		if (elems.preq_len != 37)
 			/* Right now we support just 1 destination and no AE */
 			return;
-		last_hop_metric = hwmp_route_info_get(sdata, mgmt, elems.preq);
-		if (!last_hop_metric)
-			return;
-		hwmp_preq_frame_process(sdata, mgmt, elems.preq, last_hop_metric);
-		break;
-	case MPATH_PREP:
-		if (!elems.prep || elems.prep_len != 31)
+		last_hop_metric = hwmp_route_info_get(sdata, mgmt, elems.preq,
+						      MPATH_PREQ);
+		if (last_hop_metric)
+			hwmp_preq_frame_process(sdata, mgmt, elems.preq,
+						last_hop_metric);
+	}
+	if (elems.prep) {
+		if (elems.prep_len != 31)
 			/* Right now we support no AE */
 			return;
-		last_hop_metric = hwmp_route_info_get(sdata, mgmt, elems.prep);
-		if (!last_hop_metric)
-			return;
-		hwmp_prep_frame_process(sdata, mgmt, elems.prep, last_hop_metric);
-		break;
-	case MPATH_PERR:
-		if (!elems.perr || elems.perr_len != 12)
+		last_hop_metric = hwmp_route_info_get(sdata, mgmt, elems.prep,
+						      MPATH_PREP);
+		if (last_hop_metric)
+			hwmp_prep_frame_process(sdata, mgmt, elems.prep,
+						last_hop_metric);
+	}
+	if (elems.perr) {
+		if (elems.perr_len != 12)
 			/* Right now we support only one destination per PERR */
 			return;
 		hwmp_perr_frame_process(sdata, mgmt, elems.perr);
-	default:
-		return;
 	}
 
 }
-- 
GitLab


From f3c0d88a7fc1c3fff84ac57d3f3195d0dd1854ac Mon Sep 17 00:00:00 2001
From: Rui Paulo <rpaulo@gmail.com>
Date: Mon, 9 Nov 2009 23:46:47 +0000
Subject: [PATCH 1126/1815] mac80211: improve HWMP debugging

Signed-off-by: Rui Paulo <rpaulo@gmail.com>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Reviewed-by: Andrey Yurovsky <andrey@cozybit.com>
Tested-by: Brian Cavagnolo <brian@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/mesh_hwmp.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index e67e812f78e..db1a33098a8 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -115,13 +115,13 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
 
 	switch (action) {
 	case MPATH_PREQ:
-		mhwmp_dbg("sending PREQ\n");
+		mhwmp_dbg("sending PREQ to %pM\n", dst);
 		ie_len = 37;
 		pos = skb_put(skb, 2 + ie_len);
 		*pos++ = WLAN_EID_PREQ;
 		break;
 	case MPATH_PREP:
-		mhwmp_dbg("sending PREP\n");
+		mhwmp_dbg("sending PREP to %pM\n", dst);
 		ie_len = 31;
 		pos = skb_put(skb, 2 + ie_len);
 		*pos++ = WLAN_EID_PREP;
@@ -439,7 +439,7 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
 	orig_dsn = PREQ_IE_ORIG_DSN(preq_elem);
 	dst_flags = PREQ_IE_DST_F(preq_elem);
 
-	mhwmp_dbg("received PREQ\n");
+	mhwmp_dbg("received PREQ from %pM\n", orig_addr);
 
 	if (memcmp(dst_addr, sdata->dev->dev_addr, ETH_ALEN) == 0) {
 		mhwmp_dbg("PREQ is for us\n");
@@ -498,7 +498,7 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
 			ifmsh->mshstats.dropped_frames_ttl++;
 			return;
 		}
-		mhwmp_dbg("forwarding the PREQ\n");
+		mhwmp_dbg("forwarding the PREQ from %pM\n", orig_addr);
 		--ttl;
 		flags = PREQ_IE_FLAGS(preq_elem);
 		preq_id = PREQ_IE_PREQ_ID(preq_elem);
@@ -525,7 +525,7 @@ static void hwmp_prep_frame_process(struct ieee80211_sub_if_data *sdata,
 	u8 next_hop[ETH_ALEN];
 	u32 dst_dsn, orig_dsn, lifetime;
 
-	mhwmp_dbg("received PREP\n");
+	mhwmp_dbg("received PREP from %pM\n", PREP_IE_ORIG_ADDR(prep_elem));
 
 	/* Note that we divert from the draft nomenclature and denominate
 	 * destination to what the draft refers to as origininator. So in this
@@ -628,7 +628,6 @@ void mesh_rx_path_sel_frame(struct ieee80211_sub_if_data *sdata,
 	ieee802_11_parse_elems(mgmt->u.action.u.mesh_action.variable,
 			len - baselen, &elems);
 
-	mhwmp_dbg("RX path selection frame\n");
 	if (elems.preq) {
 		if (elems.preq_len != 37)
 			/* Right now we support just 1 destination and no AE */
-- 
GitLab


From 1460dd158a520447b87661aea4afda1997d69cde Mon Sep 17 00:00:00 2001
From: Rui Paulo <rpaulo@gmail.com>
Date: Mon, 9 Nov 2009 23:46:48 +0000
Subject: [PATCH 1127/1815] mac80211: improve peer link management debugging

Print the FSM state strings instead of just the numbers.

Signed-off-by: Rui Paulo <rpaulo@gmail.com>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Reviewed-by: Andrey Yurovsky <andrey@cozybit.com>
Tested-by: Brian Cavagnolo <brian@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/mesh_plink.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index 8a54bc836c9..cf12f616c5b 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -398,6 +398,17 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
 	u8 ie_len;
 	u8 *baseaddr;
 	__le16 plid, llid, reason;
+#ifdef CONFIG_MAC80211_VERBOSE_MPL_DEBUG
+	static const char *mplstates[] = {
+		[PLINK_LISTEN] = "LISTEN",
+		[PLINK_OPN_SNT] = "OPN-SNT",
+		[PLINK_OPN_RCVD] = "OPN-RCVD",
+		[PLINK_CNF_RCVD] = "CNF_RCVD",
+		[PLINK_ESTAB] = "ESTAB",
+		[PLINK_HOLDING] = "HOLDING",
+		[PLINK_BLOCKED] = "BLOCKED"
+	};
+#endif
 
 	/* need action_code, aux */
 	if (len < IEEE80211_MIN_ACTION_SIZE + 3)
@@ -536,8 +547,8 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
 		}
 	}
 
-	mpl_dbg("Mesh plink (peer, state, llid, plid, event): %pM %d %d %d %d\n",
-		mgmt->sa, sta->plink_state,
+	mpl_dbg("Mesh plink (peer, state, llid, plid, event): %pM %s %d %d %d\n",
+		mgmt->sa, mplstates[sta->plink_state],
 		le16_to_cpu(sta->llid), le16_to_cpu(sta->plid),
 		event);
 	reason = 0;
-- 
GitLab


From ddd21046e7b5e112b5a4722b7e071ae9d4c96a2b Mon Sep 17 00:00:00 2001
From: "John W. Linville" <linville@tuxdriver.com>
Date: Wed, 11 Nov 2009 13:04:42 -0800
Subject: [PATCH 1128/1815] iwlwifi: fix iwl1000 "RTS/CTS for HT" merge damage

I may have botched my merge conflict resolution instructions for Dave...

Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/wireless/iwlwifi/iwl-1000.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c
index 1e387b9dce1..8f82537045b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-1000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-1000.c
@@ -170,6 +170,7 @@ struct iwl_cfg iwl1000_bgn_cfg = {
 	.shadow_ram_support = false,
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
+	.use_rts_for_ht = true, /* use rts/cts protection */
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.support_ct_kill_exit = true,
 };
-- 
GitLab


From 8b787643ca0a5130c647109d77fe512f89cfa611 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Tue, 10 Nov 2009 18:53:10 +0100
Subject: [PATCH 1129/1815] nl80211: add a parameter for using 4-address frames
 on virtual interfaces

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 include/linux/nl80211.h |  4 ++++
 include/net/cfg80211.h  |  2 ++
 net/wireless/nl80211.c  | 11 +++++++++++
 3 files changed, 17 insertions(+)

diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index 50afca3dcff..203adef972c 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -584,6 +584,8 @@ enum nl80211_commands {
  *	changed then the list changed and the dump should be repeated
  *	completely from scratch.
  *
+ * @NL80211_ATTR_4ADDR: Use 4-address frames on a virtual interface
+ *
  * @NL80211_ATTR_MAX: highest attribute number currently defined
  * @__NL80211_ATTR_AFTER_LAST: internal use
  */
@@ -714,6 +716,8 @@ enum nl80211_attrs {
 
 	NL80211_ATTR_PID,
 
+	NL80211_ATTR_4ADDR,
+
 	/* add attributes here, update the policy in nl80211.c */
 
 	__NL80211_ATTR_AFTER_LAST,
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index ff67865de23..1ee41e4a92e 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -206,10 +206,12 @@ struct ieee80211_supported_band {
  * struct vif_params - describes virtual interface parameters
  * @mesh_id: mesh ID to use
  * @mesh_id_len: length of the mesh ID
+ * @use_4addr: use 4-address frames
  */
 struct vif_params {
        u8 *mesh_id;
        int mesh_id_len;
+       int use_4addr;
 };
 
 /**
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 8ed62b6c172..8c8e4eae6a1 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -138,6 +138,7 @@ static struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] __read_mostly = {
 	[NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
 	[NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
 	[NL80211_ATTR_PID] = { .type = NLA_U32 },
+	[NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
 };
 
 /* policy for the attributes */
@@ -987,6 +988,13 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
 		change = true;
 	}
 
+	if (info->attrs[NL80211_ATTR_4ADDR]) {
+		params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
+		change = true;
+	} else {
+		params.use_4addr = -1;
+	}
+
 	if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
 		if (ntype != NL80211_IFTYPE_MONITOR) {
 			err = -EINVAL;
@@ -1053,6 +1061,9 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
 		params.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
 	}
 
+	if (info->attrs[NL80211_ATTR_4ADDR])
+		params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
+
 	err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ?
 				  info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL,
 				  &flags);
-- 
GitLab


From f14543ee4d0681df1377b976cba704557ba220d3 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Tue, 10 Nov 2009 20:10:05 +0100
Subject: [PATCH 1130/1815] mac80211: implement support for 4-address frames
 for AP and client mode

In some situations it might be useful to run a network with an
Access Point and multiple clients, but with each client bridged
to a network behind it. For this to work, both the client and the
AP need to transmit 4-address frames, containing both source and
destination MAC addresses.
With this patch, you can configure a client to communicate using
only 4-address frames for data traffic.
On the AP side you can enable 4-address frames for individual
clients by isolating them in separate AP VLANs which are configured
in 4-address mode.
Such an AP VLAN will be limited to one client only, and this client
will be used as the destination for all traffic on its interface,
regardless of the destination MAC address in the packet headers.
The advantage of this mode compared to regular WDS mode is that it's
easier to configure and does not require a static list of peer MAC
addresses on any side.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/cfg.c         | 32 +++++++++++++++++++++++++--
 net/mac80211/ieee80211_i.h |  5 +++++
 net/mac80211/iface.c       |  4 ++++
 net/mac80211/rx.c          | 18 ++++++++++++++-
 net/mac80211/sta_info.c    |  3 +++
 net/mac80211/tx.c          | 45 +++++++++++++++++++++++++++++++-------
 net/wireless/util.c        |  4 +++-
 7 files changed, 99 insertions(+), 12 deletions(-)

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 56319b51d17..576b86f81d1 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -36,6 +36,24 @@ static bool nl80211_type_check(enum nl80211_iftype type)
 	}
 }
 
+static bool nl80211_params_check(enum nl80211_iftype type,
+				 struct vif_params *params)
+{
+	if (!nl80211_type_check(type))
+		return false;
+
+	if (params->use_4addr > 0) {
+		switch(type) {
+		case NL80211_IFTYPE_AP_VLAN:
+		case NL80211_IFTYPE_STATION:
+			break;
+		default:
+			return false;
+		}
+	}
+	return true;
+}
+
 static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
 			       enum nl80211_iftype type, u32 *flags,
 			       struct vif_params *params)
@@ -45,7 +63,7 @@ static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
 	struct ieee80211_sub_if_data *sdata;
 	int err;
 
-	if (!nl80211_type_check(type))
+	if (!nl80211_params_check(type, params))
 		return -EINVAL;
 
 	err = ieee80211_if_add(local, name, &dev, type, params);
@@ -75,7 +93,7 @@ static int ieee80211_change_iface(struct wiphy *wiphy,
 	if (netif_running(dev))
 		return -EBUSY;
 
-	if (!nl80211_type_check(type))
+	if (!nl80211_params_check(type, params))
 		return -EINVAL;
 
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
@@ -89,6 +107,9 @@ static int ieee80211_change_iface(struct wiphy *wiphy,
 					    params->mesh_id_len,
 					    params->mesh_id);
 
+	if (params->use_4addr >= 0)
+		sdata->use_4addr = !!params->use_4addr;
+
 	if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
 		return 0;
 
@@ -806,6 +827,13 @@ static int ieee80211_change_station(struct wiphy *wiphy,
 			return -EINVAL;
 		}
 
+		if (vlansdata->use_4addr) {
+			if (vlansdata->u.vlan.sta)
+				return -EBUSY;
+
+			rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
+		}
+
 		sta->sdata = vlansdata;
 		ieee80211_send_layer2_update(sta);
 	}
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 1f4f88a8f80..19b0c128d94 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -208,6 +208,9 @@ struct ieee80211_if_wds {
 
 struct ieee80211_if_vlan {
 	struct list_head list;
+
+	/* used for all tx if the VLAN is configured to 4-addr mode */
+	struct sta_info *sta;
 };
 
 struct mesh_stats {
@@ -457,6 +460,8 @@ struct ieee80211_sub_if_data {
 	int force_unicast_rateidx; /* forced TX rateidx for unicast frames */
 	int max_ratectrl_rateidx; /* max TX rateidx for rate control */
 
+	bool use_4addr; /* use 4-address frames */
+
 	union {
 		struct ieee80211_if_ap ap;
 		struct ieee80211_if_wds wds;
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 8495161b99b..1f02b0610e8 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -752,6 +752,7 @@ int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
 		ieee80211_mandatory_rates(sdata->local,
 			sdata->local->hw.conf.channel->band);
 	sdata->drop_unencrypted = 0;
+	sdata->use_4addr = 0;
 
 	return 0;
 }
@@ -819,6 +820,9 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
 					    params->mesh_id_len,
 					    params->mesh_id);
 
+	if (params && params->use_4addr >= 0)
+		sdata->use_4addr = !!params->use_4addr;
+
 	mutex_lock(&local->iflist_mtx);
 	list_add_tail_rcu(&sdata->list, &local->interfaces);
 	mutex_unlock(&local->iflist_mtx);
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 4066570dd41..76478362a53 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1181,6 +1181,13 @@ __ieee80211_data_to_8023(struct ieee80211_rx_data *rx)
 {
 	struct net_device *dev = rx->dev;
 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
+
+	if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN && !sdata->use_4addr &&
+	    ieee80211_has_a4(hdr->frame_control))
+		return -1;
+	if (sdata->use_4addr && is_multicast_ether_addr(hdr->addr1))
+		return -1;
 
 	return ieee80211_data_to_8023(rx->skb, dev->dev_addr, sdata->vif.type);
 }
@@ -1534,6 +1541,7 @@ ieee80211_rx_h_data(struct ieee80211_rx_data *rx)
 {
 	struct net_device *dev = rx->dev;
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
+	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	__le16 fc = hdr->frame_control;
 	int err;
 
@@ -1543,6 +1551,14 @@ ieee80211_rx_h_data(struct ieee80211_rx_data *rx)
 	if (unlikely(!ieee80211_is_data_present(hdr->frame_control)))
 		return RX_DROP_MONITOR;
 
+	/*
+	 * Allow the cooked monitor interface of an AP to see 4-addr frames so
+	 * that a 4-addr station can be detected and moved into a separate VLAN
+	 */
+	if (ieee80211_has_a4(hdr->frame_control) &&
+	    sdata->vif.type == NL80211_IFTYPE_AP)
+		return RX_DROP_MONITOR;
+
 	err = __ieee80211_data_to_8023(rx);
 	if (unlikely(err))
 		return RX_DROP_UNUSABLE;
@@ -1983,7 +1999,7 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata,
 
 	switch (sdata->vif.type) {
 	case NL80211_IFTYPE_STATION:
-		if (!bssid)
+		if (!bssid && !sdata->use_4addr)
 			return 0;
 		if (!multicast &&
 		    compare_ether_addr(sdata->dev->dev_addr, hdr->addr1) != 0) {
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index be59456e8a4..396a94806de 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -509,6 +509,9 @@ static void __sta_info_unlink(struct sta_info **sta)
 	local->num_sta--;
 	local->sta_generation++;
 
+	if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
+		rcu_assign_pointer(sdata->u.vlan.sta, NULL);
+
 	if (local->ops->sta_notify) {
 		if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
 			sdata = container_of(sdata->bss,
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index bfaa43e096d..2f3345c5f7c 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1051,7 +1051,10 @@ ieee80211_tx_prepare(struct ieee80211_sub_if_data *sdata,
 
 	hdr = (struct ieee80211_hdr *) skb->data;
 
-	tx->sta = sta_info_get(local, hdr->addr1);
+	if ((sdata->vif.type == NL80211_IFTYPE_AP_VLAN) && sdata->use_4addr)
+		tx->sta = rcu_dereference(sdata->u.vlan.sta);
+	if (!tx->sta)
+		tx->sta = sta_info_get(local, hdr->addr1);
 
 	if (tx->sta && ieee80211_is_data_qos(hdr->frame_control) &&
 	    (local->hw.flags & IEEE80211_HW_AMPDU_AGGREGATION)) {
@@ -1613,7 +1616,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
 	const u8 *encaps_data;
 	int encaps_len, skip_header_bytes;
 	int nh_pos, h_pos;
-	struct sta_info *sta;
+	struct sta_info *sta = NULL;
 	u32 sta_flags = 0;
 
 	if (unlikely(skb->len < ETH_HLEN)) {
@@ -1630,8 +1633,25 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
 	fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA);
 
 	switch (sdata->vif.type) {
-	case NL80211_IFTYPE_AP:
 	case NL80211_IFTYPE_AP_VLAN:
+		rcu_read_lock();
+		if (sdata->use_4addr)
+			sta = rcu_dereference(sdata->u.vlan.sta);
+		if (sta) {
+			fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS);
+			/* RA TA DA SA */
+			memcpy(hdr.addr1, sta->sta.addr, ETH_ALEN);
+			memcpy(hdr.addr2, dev->dev_addr, ETH_ALEN);
+			memcpy(hdr.addr3, skb->data, ETH_ALEN);
+			memcpy(hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN);
+			hdrlen = 30;
+			sta_flags = get_sta_flags(sta);
+		}
+		rcu_read_unlock();
+		if (sta)
+			break;
+		/* fall through */
+	case NL80211_IFTYPE_AP:
 		fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
 		/* DA BSSID SA */
 		memcpy(hdr.addr1, skb->data, ETH_ALEN);
@@ -1705,12 +1725,21 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
 		break;
 #endif
 	case NL80211_IFTYPE_STATION:
-		fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
-		/* BSSID SA DA */
 		memcpy(hdr.addr1, sdata->u.mgd.bssid, ETH_ALEN);
-		memcpy(hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN);
-		memcpy(hdr.addr3, skb->data, ETH_ALEN);
-		hdrlen = 24;
+		if (sdata->use_4addr && ethertype != ETH_P_PAE) {
+			fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS);
+			/* RA TA DA SA */
+			memcpy(hdr.addr2, dev->dev_addr, ETH_ALEN);
+			memcpy(hdr.addr3, skb->data, ETH_ALEN);
+			memcpy(hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN);
+			hdrlen = 30;
+		} else {
+			fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
+			/* BSSID SA DA */
+			memcpy(hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN);
+			memcpy(hdr.addr3, skb->data, ETH_ALEN);
+			hdrlen = 24;
+		}
 		break;
 	case NL80211_IFTYPE_ADHOC:
 		/* DA SA BSSID */
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 3fc2df86278..5aa39f7cf9b 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -320,7 +320,9 @@ int ieee80211_data_to_8023(struct sk_buff *skb, u8 *addr,
 		break;
 	case cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS):
 		if (unlikely(iftype != NL80211_IFTYPE_WDS &&
-			     iftype != NL80211_IFTYPE_MESH_POINT))
+			     iftype != NL80211_IFTYPE_MESH_POINT &&
+			     iftype != NL80211_IFTYPE_AP_VLAN &&
+			     iftype != NL80211_IFTYPE_STATION))
 			return -1;
 		if (iftype == NL80211_IFTYPE_MESH_POINT) {
 			struct ieee80211s_hdr *meshdr =
-- 
GitLab


From 194b7c13b4c516db94db8ee004342f8935922739 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Thu, 29 Oct 2009 10:41:15 -0700
Subject: [PATCH 1131/1815] ath9k: fix listening to idle requests

The way idle configuration detection was implemented as
busted due to the fact that it assumed the ath9k virtual wiphy,
the aphy, would be marked as inactive if it was not used but
it turns out an aphy is always active if its the only wiphy
present. We need to distinguish between aphy activity and
idleness so we now add an idle bool for the aphy and mark
it as such based on the passed IEEE80211_CONF_CHANGE_IDLE
from mac80211.

Previous to all_wiphys_idle would never be true when using
only one device so we never really were using
IEEE80211_CONF_CHANGE_IDLE -- we never turned the radio
off or on upon IEEE80211_CONF_CHANGE_IDLE changes as radio
changes depended on all_wiphys_idle being true either to
turn the radio on or off. Since it was always false for
one device this code was doing nothing.

Cc: Jouni.Malinen <Jouni.Malinen@atheros.com>
Reported-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/ath9k.h   |  2 ++
 drivers/net/wireless/ath/ath9k/main.c    | 33 +++++++++++++++++++-----
 drivers/net/wireless/ath/ath9k/virtual.c | 17 +++++++++---
 3 files changed, 42 insertions(+), 10 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 13dd0202d6b..da5357838dd 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -620,6 +620,7 @@ struct ath_wiphy {
 		ATH_WIPHY_PAUSED,
 		ATH_WIPHY_SCAN,
 	} state;
+	bool idle;
 	int chan_idx;
 	int chan_is_ht;
 };
@@ -691,6 +692,7 @@ void ath9k_wiphy_pause_all_forced(struct ath_softc *sc,
 bool ath9k_wiphy_scanning(struct ath_softc *sc);
 void ath9k_wiphy_work(struct work_struct *work);
 bool ath9k_all_wiphys_idle(struct ath_softc *sc);
+void ath9k_set_wiphy_idle(struct ath_wiphy *aphy, bool idle);
 
 int ath_tx_get_qnum(struct ath_softc *sc, int qtype, int haltype);
 #endif /* ATH9K_H */
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 9fefc51aec1..bdce0ab99de 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -2688,22 +2688,37 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	struct ieee80211_conf *conf = &hw->conf;
 	struct ath_hw *ah = sc->sc_ah;
-	bool all_wiphys_idle = false, disable_radio = false;
+	bool disable_radio;
 
 	mutex_lock(&sc->mutex);
 
-	/* Leave this as the first check */
+	/*
+	 * Leave this as the first check because we need to turn on the
+	 * radio if it was disabled before prior to processing the rest
+	 * of the changes. Likewise we must only disable the radio towards
+	 * the end.
+	 */
 	if (changed & IEEE80211_CONF_CHANGE_IDLE) {
+		bool enable_radio;
+		bool all_wiphys_idle;
+		bool idle = !!(conf->flags & IEEE80211_CONF_IDLE);
 
 		spin_lock_bh(&sc->wiphy_lock);
 		all_wiphys_idle =  ath9k_all_wiphys_idle(sc);
+		ath9k_set_wiphy_idle(aphy, idle);
+
+		if (!idle && all_wiphys_idle)
+			enable_radio = true;
+
+		/*
+		 * After we unlock here its possible another wiphy
+		 * can be re-renabled so to account for that we will
+		 * only disable the radio toward the end of this routine
+		 * if by then all wiphys are still idle.
+		 */
 		spin_unlock_bh(&sc->wiphy_lock);
 
-		if (conf->flags & IEEE80211_CONF_IDLE){
-			if (all_wiphys_idle)
-				disable_radio = true;
-		}
-		else if (all_wiphys_idle) {
+		if (enable_radio) {
 			ath_radio_enable(sc);
 			ath_print(common, ATH_DBG_CONFIG,
 				  "not-idle: enabling radio\n");
@@ -2779,6 +2794,10 @@ skip_chan_change:
 	if (changed & IEEE80211_CONF_CHANGE_POWER)
 		sc->config.txpowlimit = 2 * conf->power_level;
 
+	spin_lock_bh(&sc->wiphy_lock);
+	disable_radio = ath9k_all_wiphys_idle(sc);
+	spin_unlock_bh(&sc->wiphy_lock);
+
 	if (disable_radio) {
 		ath_print(common, ATH_DBG_CONFIG, "idle: disabling radio\n");
 		ath_radio_disable(sc);
diff --git a/drivers/net/wireless/ath/ath9k/virtual.c b/drivers/net/wireless/ath/ath9k/virtual.c
index bc7d173b6fa..e6a50f3aa47 100644
--- a/drivers/net/wireless/ath/ath9k/virtual.c
+++ b/drivers/net/wireless/ath/ath9k/virtual.c
@@ -668,15 +668,26 @@ void ath9k_wiphy_set_scheduler(struct ath_softc *sc, unsigned int msec_int)
 bool ath9k_all_wiphys_idle(struct ath_softc *sc)
 {
 	unsigned int i;
-	if (sc->pri_wiphy->state != ATH_WIPHY_INACTIVE) {
+	if (!sc->pri_wiphy->idle)
 		return false;
-	}
 	for (i = 0; i < sc->num_sec_wiphy; i++) {
 		struct ath_wiphy *aphy = sc->sec_wiphy[i];
 		if (!aphy)
 			continue;
-		if (aphy->state != ATH_WIPHY_INACTIVE)
+		if (!aphy->idle)
 			return false;
 	}
 	return true;
 }
+
+/* caller must hold wiphy_lock */
+void ath9k_set_wiphy_idle(struct ath_wiphy *aphy, bool idle)
+{
+	struct ath_softc *sc = aphy->sc;
+
+	aphy->idle = idle;
+	ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_CONFIG,
+		  "Marking %s as %s\n",
+		  wiphy_name(aphy->hw->wiphy),
+		  idle ? "idle" : "not-idle");
+}
-- 
GitLab


From 1bdf6c3bece59c96aec3b8b457a9a554f6b2c433 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 28 Oct 2009 13:39:40 -0700
Subject: [PATCH 1132/1815] ath9k: update hw configuration for virtual wiphys

ath9k supports its own virtual wiphys. The hardware code
relies on the ieee80211_hw for the present interface but
with recent changes introduced the common->hw was never
updated and is required for virtual wiphys.

Cc: Jouni.Malinen <Jouni.Malinen@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/virtual.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/wireless/ath/ath9k/virtual.c b/drivers/net/wireless/ath/ath9k/virtual.c
index e6a50f3aa47..7678c4a2ca6 100644
--- a/drivers/net/wireless/ath/ath9k/virtual.c
+++ b/drivers/net/wireless/ath/ath9k/virtual.c
@@ -298,6 +298,7 @@ static void ath9k_wiphy_unpause_channel(struct ath_softc *sc)
 void ath9k_wiphy_chan_work(struct work_struct *work)
 {
 	struct ath_softc *sc = container_of(work, struct ath_softc, chan_work);
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	struct ath_wiphy *aphy = sc->next_wiphy;
 
 	if (aphy == NULL)
@@ -313,6 +314,10 @@ void ath9k_wiphy_chan_work(struct work_struct *work)
 	/* XXX: remove me eventually */
 	ath9k_update_ichannel(sc, aphy->hw,
 			      &sc->sc_ah->channels[sc->chan_idx]);
+
+	/* sync hw configuration for hw code */
+	common->hw = aphy->hw;
+
 	ath_update_chainmask(sc, sc->chan_is_ht);
 	if (ath_set_channel(sc, aphy->hw,
 			    &sc->sc_ah->channels[sc->chan_idx]) < 0) {
-- 
GitLab


From b4afffc0cfa3f35ee011d5ed4153e49f5cc3bc96 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Mon, 2 Nov 2009 11:36:08 -0800
Subject: [PATCH 1133/1815] ath9k: simpify RX by calling ath_get_virt_hw() once

ath_get_virt_hw() is required on RX to determine for which virtual
wiphy an skb came in for. Instead of searching for the hw twice do
it only once.

Cc: Jouni.Malinen <Jouni.Malinen@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/recv.c | 28 +++++++++++++++++----------
 1 file changed, 18 insertions(+), 10 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 355dd1834e1..c910c1047ec 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -105,23 +105,21 @@ static u64 ath_extend_tsf(struct ath_softc *sc, u32 rstamp)
  * up the frame up to let mac80211 handle the actual error case, be it no
  * decryption key or real decryption error. This let us keep statistics there.
  */
-static int ath_rx_prepare(struct sk_buff *skb, struct ath_desc *ds,
+static int ath_rx_prepare(struct ieee80211_hw *hw,
+			  struct sk_buff *skb, struct ath_desc *ds,
 			  struct ieee80211_rx_status *rx_status, bool *decrypt_error,
 			  struct ath_softc *sc)
 {
 	struct ieee80211_hdr *hdr;
 	u8 ratecode;
 	__le16 fc;
-	struct ieee80211_hw *hw;
 	struct ieee80211_sta *sta;
 	struct ath_node *an;
 	int last_rssi = ATH_RSSI_DUMMY_MARKER;
 
-
 	hdr = (struct ieee80211_hdr *)skb->data;
 	fc = hdr->frame_control;
 	memset(rx_status, 0, sizeof(struct ieee80211_rx_status));
-	hw = ath_get_virt_hw(sc, hdr);
 
 	if (ds->ds_rxstat.rs_more) {
 		/*
@@ -616,7 +614,8 @@ static void ath_rx_ps(struct ath_softc *sc, struct sk_buff *skb)
 	}
 }
 
-static void ath_rx_send_to_mac80211(struct ath_softc *sc, struct sk_buff *skb,
+static void ath_rx_send_to_mac80211(struct ieee80211_hw *hw,
+				    struct ath_softc *sc, struct sk_buff *skb,
 				    struct ieee80211_rx_status *rx_status)
 {
 	struct ieee80211_hdr *hdr;
@@ -648,7 +647,7 @@ static void ath_rx_send_to_mac80211(struct ath_softc *sc, struct sk_buff *skb,
 	} else {
 		/* Deliver unicast frames based on receiver address */
 		memcpy(IEEE80211_SKB_RXCB(skb), rx_status, sizeof(*rx_status));
-		ieee80211_rx(ath_get_virt_hw(sc, hdr), skb);
+		ieee80211_rx(hw, skb);
 	}
 }
 
@@ -664,6 +663,12 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 	struct ieee80211_rx_status rx_status;
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath_common *common = ath9k_hw_common(ah);
+	/*
+	 * The hw can techncically differ from common->hw when using ath9k
+	 * virtual wiphy so to account for that we iterate over the active
+	 * wiphys and find the appropriate wiphy and therefore hw.
+	 */
+	struct ieee80211_hw *hw = NULL;
 	struct ieee80211_hdr *hdr;
 	int hdrlen, padsize, retval;
 	bool decrypt_error = false;
@@ -743,6 +748,9 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 				sc->rx.bufsize,
 				DMA_FROM_DEVICE);
 
+		hdr = (struct ieee80211_hdr *) skb->data;
+		hw = ath_get_virt_hw(sc, hdr);
+
 		/*
 		 * If we're asked to flush receive queue, directly
 		 * chain it back at the queue without processing it.
@@ -757,7 +765,8 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 		if (sc->rx.bufsize < ds->ds_rxstat.rs_datalen)
 			goto requeue;
 
-		if (!ath_rx_prepare(skb, ds, &rx_status, &decrypt_error, sc))
+		if (!ath_rx_prepare(hw, skb, ds,
+				    &rx_status, &decrypt_error, sc))
 			goto requeue;
 
 		/* Ensure we always have an skb to requeue once we are done
@@ -779,7 +788,6 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 		skb_put(skb, ds->ds_rxstat.rs_datalen);
 
 		/* see if any padding is done by the hw and remove it */
-		hdr = (struct ieee80211_hdr *)skb->data;
 		hdrlen = ieee80211_get_hdrlen_from_skb(skb);
 		fc = hdr->frame_control;
 
@@ -826,7 +834,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 			bf->bf_mpdu = NULL;
 			ath_print(common, ATH_DBG_FATAL,
 				  "dma_mapping_error() on RX\n");
-			ath_rx_send_to_mac80211(sc, skb, &rx_status);
+			ath_rx_send_to_mac80211(hw, sc, skb, &rx_status);
 			break;
 		}
 		bf->bf_dmacontext = bf->bf_buf_addr;
@@ -847,7 +855,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 					     SC_OP_WAIT_FOR_PSPOLL_DATA)))
 			ath_rx_ps(sc, skb);
 
-		ath_rx_send_to_mac80211(sc, skb, &rx_status);
+		ath_rx_send_to_mac80211(hw, sc, skb, &rx_status);
 
 requeue:
 		list_move_tail(&bf->list, &sc->rx.rxbuf);
-- 
GitLab


From cee71d6c1471953239ea4c13306888cf2b36426e Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Mon, 2 Nov 2009 14:17:51 -0800
Subject: [PATCH 1134/1815] ath9k: use the passed ieee80211_hw on
 ath_rx_prepare()

this now uses the proper hw which should mean finding the
right sta when using ath9k virtual wiphy stuff. Only
advantage I see here is getting the rssi properly updated
so the 'fix' itself isn't that great, but at least this
is correct.

Cc: Jouni.Malinen <Jouni.Malinen@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/recv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index c910c1047ec..c6904f0d572 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -201,7 +201,7 @@ static int ath_rx_prepare(struct ieee80211_hw *hw,
 
 	rcu_read_lock();
 	/* XXX: use ieee80211_find_sta! */
-	sta = ieee80211_find_sta_by_hw(sc->hw, hdr->addr2);
+	sta = ieee80211_find_sta_by_hw(hw, hdr->addr2);
 	if (sta) {
 		an = (struct ath_node *) sta->drv_priv;
 		if (ds->ds_rxstat.rs_rssi != ATH9K_RSSI_BAD &&
-- 
GitLab


From 68a89116157d9d479a854db6d79a9116be79cd99 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Mon, 2 Nov 2009 14:35:42 -0800
Subject: [PATCH 1135/1815] ath9k: pass the ieee80211_hw on radio
 enable/disable

We use the ieee80211_hw for radio enable/disable but the wrong
structure hw was being used in consideration for virtual wiphys
as each virtual wiphy has its own ieee80211_hw struct.

Just pass the hw struct to ensure we use the right one. This should
fix the hw used and passed for radio enable/disable. This includes
the stoping / starting of the software TX queues so mac80211 doesn't
send us data for a specific virtual wiphy. ath9k already takes care
of pausing virtual wiphys and stopping the respective queues on its
own, but this should handle the idle mac80211 conf calls as well.

Cc: Jouni.Malinen <Jouni.Malinen@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/ath9k.h   |  5 +++--
 drivers/net/wireless/ath/ath9k/main.c    | 18 +++++++++---------
 drivers/net/wireless/ath/ath9k/virtual.c |  5 +++--
 3 files changed, 15 insertions(+), 13 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index da5357838dd..59ce7ec5b22 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -655,8 +655,9 @@ void ath9k_update_ichannel(struct ath_softc *sc, struct ieee80211_hw *hw,
 void ath_update_chainmask(struct ath_softc *sc, int is_ht);
 int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
 		    struct ath9k_channel *hchan);
-void ath_radio_enable(struct ath_softc *sc);
-void ath_radio_disable(struct ath_softc *sc);
+
+void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw);
+void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw);
 
 #ifdef CONFIG_PCI
 int ath_pci_init(void);
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index bdce0ab99de..11aaa7d69a1 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1200,11 +1200,11 @@ fail:
 	ath_deinit_leds(sc);
 }
 
-void ath_radio_enable(struct ath_softc *sc)
+void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw)
 {
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath_common *common = ath9k_hw_common(ah);
-	struct ieee80211_channel *channel = sc->hw->conf.channel;
+	struct ieee80211_channel *channel = hw->conf.channel;
 	int r;
 
 	ath9k_ps_wakeup(sc);
@@ -1241,18 +1241,18 @@ void ath_radio_enable(struct ath_softc *sc)
 			    AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
 	ath9k_hw_set_gpio(ah, ah->led_pin, 0);
 
-	ieee80211_wake_queues(sc->hw);
+	ieee80211_wake_queues(hw);
 	ath9k_ps_restore(sc);
 }
 
-void ath_radio_disable(struct ath_softc *sc)
+void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw)
 {
 	struct ath_hw *ah = sc->sc_ah;
-	struct ieee80211_channel *channel = sc->hw->conf.channel;
+	struct ieee80211_channel *channel = hw->conf.channel;
 	int r;
 
 	ath9k_ps_wakeup(sc);
-	ieee80211_stop_queues(sc->hw);
+	ieee80211_stop_queues(hw);
 
 	/* Disable LED */
 	ath9k_hw_set_gpio(ah, ah->led_pin, 1);
@@ -1266,7 +1266,7 @@ void ath_radio_disable(struct ath_softc *sc)
 	ath_flushrecv(sc);		/* flush recv queue */
 
 	if (!ah->curchan)
-		ah->curchan = ath_get_curchannel(sc, sc->hw);
+		ah->curchan = ath_get_curchannel(sc, hw);
 
 	spin_lock_bh(&sc->sc_resetlock);
 	r = ath9k_hw_reset(ah, ah->curchan, false);
@@ -2719,7 +2719,7 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
 		spin_unlock_bh(&sc->wiphy_lock);
 
 		if (enable_radio) {
-			ath_radio_enable(sc);
+			ath_radio_enable(sc, hw);
 			ath_print(common, ATH_DBG_CONFIG,
 				  "not-idle: enabling radio\n");
 		}
@@ -2800,7 +2800,7 @@ skip_chan_change:
 
 	if (disable_radio) {
 		ath_print(common, ATH_DBG_CONFIG, "idle: disabling radio\n");
-		ath_radio_disable(sc);
+		ath_radio_disable(sc, hw);
 	}
 
 	mutex_unlock(&sc->mutex);
diff --git a/drivers/net/wireless/ath/ath9k/virtual.c b/drivers/net/wireless/ath/ath9k/virtual.c
index 7678c4a2ca6..69a871ba051 100644
--- a/drivers/net/wireless/ath/ath9k/virtual.c
+++ b/drivers/net/wireless/ath/ath9k/virtual.c
@@ -526,8 +526,9 @@ int ath9k_wiphy_select(struct ath_wiphy *aphy)
 			 * frame being completed)
 			 */
 			spin_unlock_bh(&sc->wiphy_lock);
-			ath_radio_disable(sc);
-			ath_radio_enable(sc);
+			ath_radio_disable(sc, aphy->hw);
+			ath_radio_enable(sc, aphy->hw);
+			/* Only the primary wiphy hw is used for queuing work */
 			ieee80211_queue_work(aphy->sc->hw,
 				   &aphy->sc->chan_work);
 			return -EBUSY; /* previous select still in progress */
-- 
GitLab


From 76d5a9e83b6e72ebe651c08e6dc247a58469ddda Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Mon, 2 Nov 2009 16:08:34 -0800
Subject: [PATCH 1136/1815] ath9k: use correct hw for tx aggregation TX
 completion

When ath9k virtual wiphys are used the sc->hw will not always represent
the active hw, instead we need to get it from the skb->cb private
driver area. This ensures the right hw is used to find a sta for
the TX'd skb.

Cc: Jouni.Malinen <Jouni.Malinen@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/xmit.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 8e052f406c3..6d7f0bcc6dd 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -267,7 +267,10 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
 	struct ath_node *an = NULL;
 	struct sk_buff *skb;
 	struct ieee80211_sta *sta;
+	struct ieee80211_hw *hw;
 	struct ieee80211_hdr *hdr;
+	struct ieee80211_tx_info *tx_info;
+	struct ath_tx_info_priv *tx_info_priv;
 	struct ath_atx_tid *tid = NULL;
 	struct ath_buf *bf_next, *bf_last = bf->bf_lastbf;
 	struct ath_desc *ds = bf_last->bf_desc;
@@ -280,10 +283,14 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
 	skb = bf->bf_mpdu;
 	hdr = (struct ieee80211_hdr *)skb->data;
 
+	tx_info = IEEE80211_SKB_CB(skb);
+	tx_info_priv = (struct ath_tx_info_priv *) tx_info->rate_driver_data[0];
+	hw = tx_info_priv->aphy->hw;
+
 	rcu_read_lock();
 
 	/* XXX: use ieee80211_find_sta! */
-	sta = ieee80211_find_sta_by_hw(sc->hw, hdr->addr1);
+	sta = ieee80211_find_sta_by_hw(hw, hdr->addr1);
 	if (!sta) {
 		rcu_read_unlock();
 		return;
-- 
GitLab


From 5008f3727b05b5eb970ce703721aa5897a088e30 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Mon, 2 Nov 2009 16:27:33 -0800
Subject: [PATCH 1137/1815] ath9k: use the right hw on ath_tx_setup_buffer()
 for HT

When using virtual wiphys the base sc->hw was being used, the correct
hw is passed along the caller already so just use that.

Cc: Jouni.Malinen <Jouni.Malinen@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/xmit.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 6d7f0bcc6dd..fc06768e823 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1576,7 +1576,7 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf,
 
 	bf->bf_frmlen = skb->len + FCS_LEN - (hdrlen & 3);
 
-	if (conf_is_ht(&sc->hw->conf) && !is_pae(skb))
+	if (conf_is_ht(&hw->conf) && !is_pae(skb))
 		bf->bf_state.bf_type |= BUF_HT;
 
 	bf->bf_flags = setup_tx_flags(sc, skb, txctl->txq);
-- 
GitLab


From f52de03bf9843673cadff8016a609e1628c139e2 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Mon, 2 Nov 2009 17:09:12 -0800
Subject: [PATCH 1138/1815] ath9k: handle low buffer space for virtual wiphys

ath9k virtual wiphys all share the same internal buffer space
for TX but they do not share the mac80211 skb queues. When
ath9k detects it is running low on buffer space to TX it tells
mac80211 to stop sending it skbs its way but it always does
this only for the primary wiphy. This means mac80211 won't know
its best to avoid sending ath9k more skbs on a separate virtual
wiphy. The same issue is present for reliving the skb queue.

Since ath9k does not keep track of which virtual wiphy is hammering
on TX silence all wiphy's TX when we're low on buffer space. When
we're free on buffer space only bother informing the virtual wiphy
which is active that we have free buffers.

Cc: Jouni.Malinen <Jouni.Malinen@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/ath9k.h   |  3 ++
 drivers/net/wireless/ath/ath9k/virtual.c | 52 ++++++++++++++++++++++++
 drivers/net/wireless/ath/ath9k/xmit.c    | 10 ++---
 3 files changed, 60 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 59ce7ec5b22..4169d2b3f71 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -695,5 +695,8 @@ void ath9k_wiphy_work(struct work_struct *work);
 bool ath9k_all_wiphys_idle(struct ath_softc *sc);
 void ath9k_set_wiphy_idle(struct ath_wiphy *aphy, bool idle);
 
+void ath_mac80211_stop_queue(struct ath_softc *sc, u16 skb_queue);
+void ath_mac80211_start_queue(struct ath_softc *sc, u16 skb_queue);
+
 int ath_tx_get_qnum(struct ath_softc *sc, int qtype, int haltype);
 #endif /* ATH9K_H */
diff --git a/drivers/net/wireless/ath/ath9k/virtual.c b/drivers/net/wireless/ath/ath9k/virtual.c
index 69a871ba051..0a36b572294 100644
--- a/drivers/net/wireless/ath/ath9k/virtual.c
+++ b/drivers/net/wireless/ath/ath9k/virtual.c
@@ -697,3 +697,55 @@ void ath9k_set_wiphy_idle(struct ath_wiphy *aphy, bool idle)
 		  wiphy_name(aphy->hw->wiphy),
 		  idle ? "idle" : "not-idle");
 }
+/* Only bother starting a queue on an active virtual wiphy */
+void ath_mac80211_start_queue(struct ath_softc *sc, u16 skb_queue)
+{
+	struct ieee80211_hw *hw = sc->pri_wiphy->hw;
+	unsigned int i;
+
+	spin_lock_bh(&sc->wiphy_lock);
+
+	/* Start the primary wiphy */
+	if (sc->pri_wiphy->state == ATH_WIPHY_ACTIVE) {
+		ieee80211_wake_queue(hw, skb_queue);
+		goto unlock;
+	}
+
+	/* Now start the secondary wiphy queues */
+	for (i = 0; i < sc->num_sec_wiphy; i++) {
+		struct ath_wiphy *aphy = sc->sec_wiphy[i];
+		if (!aphy)
+			continue;
+		if (aphy->state != ATH_WIPHY_ACTIVE)
+			continue;
+
+		hw = aphy->hw;
+		ieee80211_wake_queue(hw, skb_queue);
+		break;
+	}
+
+unlock:
+	spin_unlock_bh(&sc->wiphy_lock);
+}
+
+/* Go ahead and propagate information to all virtual wiphys, it won't hurt */
+void ath_mac80211_stop_queue(struct ath_softc *sc, u16 skb_queue)
+{
+	struct ieee80211_hw *hw = sc->pri_wiphy->hw;
+	unsigned int i;
+
+	spin_lock_bh(&sc->wiphy_lock);
+
+	/* Stop the primary wiphy */
+	ieee80211_stop_queue(hw, skb_queue);
+
+	/* Now stop the secondary wiphy queues */
+	for (i = 0; i < sc->num_sec_wiphy; i++) {
+		struct ath_wiphy *aphy = sc->sec_wiphy[i];
+		if (!aphy)
+			continue;
+		hw = aphy->hw;
+		ieee80211_stop_queue(hw, skb_queue);
+	}
+	spin_unlock_bh(&sc->wiphy_lock);
+}
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index fc06768e823..86b54ddd01c 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -915,9 +915,10 @@ int ath_tx_get_qnum(struct ath_softc *sc, int qtype, int haltype)
 struct ath_txq *ath_test_get_txq(struct ath_softc *sc, struct sk_buff *skb)
 {
 	struct ath_txq *txq = NULL;
+	u16 skb_queue = skb_get_queue_mapping(skb);
 	int qnum;
 
-	qnum = ath_get_hal_qnum(skb_get_queue_mapping(skb), sc);
+	qnum = ath_get_hal_qnum(skb_queue, sc);
 	txq = &sc->tx.txq[qnum];
 
 	spin_lock_bh(&txq->axq_lock);
@@ -926,7 +927,7 @@ struct ath_txq *ath_test_get_txq(struct ath_softc *sc, struct sk_buff *skb)
 		ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_XMIT,
 			  "TX queue: %d is full, depth: %d\n",
 			  qnum, txq->axq_depth);
-		ieee80211_stop_queue(sc->hw, skb_get_queue_mapping(skb));
+		ath_mac80211_stop_queue(sc, skb_queue);
 		txq->stopped = 1;
 		spin_unlock_bh(&txq->axq_lock);
 		return NULL;
@@ -1705,8 +1706,7 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
 		 * on the queue */
 		spin_lock_bh(&txq->axq_lock);
 		if (sc->tx.txq[txq->axq_qnum].axq_depth > 1) {
-			ieee80211_stop_queue(sc->hw,
-				skb_get_queue_mapping(skb));
+			ath_mac80211_stop_queue(sc, skb_get_queue_mapping(skb));
 			txq->stopped = 1;
 		}
 		spin_unlock_bh(&txq->axq_lock);
@@ -1946,7 +1946,7 @@ static void ath_wake_mac80211_queue(struct ath_softc *sc, struct ath_txq *txq)
 	    sc->tx.txq[txq->axq_qnum].axq_depth <= (ATH_TXBUF - 20)) {
 		qnum = ath_get_mac80211_qnum(txq->axq_qnum, sc);
 		if (qnum != -1) {
-			ieee80211_wake_queue(sc->hw, qnum);
+			ath_mac80211_start_queue(sc, qnum);
 			txq->stopped = 0;
 		}
 	}
-- 
GitLab


From 26ab2645b478fd98aa1d10a07eb07f2235bc1f1c Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Mon, 2 Nov 2009 18:49:56 -0800
Subject: [PATCH 1139/1815] ath9k: do not pass the entire descriptor to
 ath_rx_prepare()

Its not needed, so just pass the hardware RX status.
We'll be simplfying ath_rx_prepare() with code we can share
between ath9k and ath9k_htc. This will help make that code
easier to read and manage.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/recv.c | 70 ++++++++++++++-------------
 1 file changed, 36 insertions(+), 34 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index c6904f0d572..fd45f775e1f 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -106,7 +106,7 @@ static u64 ath_extend_tsf(struct ath_softc *sc, u32 rstamp)
  * decryption key or real decryption error. This let us keep statistics there.
  */
 static int ath_rx_prepare(struct ieee80211_hw *hw,
-			  struct sk_buff *skb, struct ath_desc *ds,
+			  struct sk_buff *skb, struct ath_rx_status *rx_stats,
 			  struct ieee80211_rx_status *rx_status, bool *decrypt_error,
 			  struct ath_softc *sc)
 {
@@ -121,7 +121,7 @@ static int ath_rx_prepare(struct ieee80211_hw *hw,
 	fc = hdr->frame_control;
 	memset(rx_status, 0, sizeof(struct ieee80211_rx_status));
 
-	if (ds->ds_rxstat.rs_more) {
+	if (rx_stats->rs_more) {
 		/*
 		 * Frame spans multiple descriptors; this cannot happen yet
 		 * as we don't support jumbograms. If not in monitor mode,
@@ -130,22 +130,22 @@ static int ath_rx_prepare(struct ieee80211_hw *hw,
 		 */
 		if (sc->sc_ah->opmode != NL80211_IFTYPE_MONITOR)
 			goto rx_next;
-	} else if (ds->ds_rxstat.rs_status != 0) {
-		if (ds->ds_rxstat.rs_status & ATH9K_RXERR_CRC)
+	} else if (rx_stats->rs_status != 0) {
+		if (rx_stats->rs_status & ATH9K_RXERR_CRC)
 			rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
-		if (ds->ds_rxstat.rs_status & ATH9K_RXERR_PHY)
+		if (rx_stats->rs_status & ATH9K_RXERR_PHY)
 			goto rx_next;
 
-		if (ds->ds_rxstat.rs_status & ATH9K_RXERR_DECRYPT) {
+		if (rx_stats->rs_status & ATH9K_RXERR_DECRYPT) {
 			*decrypt_error = true;
-		} else if (ds->ds_rxstat.rs_status & ATH9K_RXERR_MIC) {
+		} else if (rx_stats->rs_status & ATH9K_RXERR_MIC) {
 			if (ieee80211_is_ctl(fc))
 				/*
 				 * Sometimes, we get invalid
 				 * MIC failures on valid control frames.
 				 * Remove these mic errors.
 				 */
-				ds->ds_rxstat.rs_status &= ~ATH9K_RXERR_MIC;
+				rx_stats->rs_status &= ~ATH9K_RXERR_MIC;
 			else
 				rx_status->flag |= RX_FLAG_MMIC_ERROR;
 		}
@@ -155,26 +155,26 @@ static int ath_rx_prepare(struct ieee80211_hw *hw,
 		 * we also ignore the CRC error.
 		 */
 		if (sc->sc_ah->opmode == NL80211_IFTYPE_MONITOR) {
-			if (ds->ds_rxstat.rs_status &
+			if (rx_stats->rs_status &
 			    ~(ATH9K_RXERR_DECRYPT | ATH9K_RXERR_MIC |
 			      ATH9K_RXERR_CRC))
 				goto rx_next;
 		} else {
-			if (ds->ds_rxstat.rs_status &
+			if (rx_stats->rs_status &
 			    ~(ATH9K_RXERR_DECRYPT | ATH9K_RXERR_MIC)) {
 				goto rx_next;
 			}
 		}
 	}
 
-	ratecode = ds->ds_rxstat.rs_rate;
+	ratecode = rx_stats->rs_rate;
 
 	if (ratecode & 0x80) {
 		/* HT rate */
 		rx_status->flag |= RX_FLAG_HT;
-		if (ds->ds_rxstat.rs_flags & ATH9K_RX_2040)
+		if (rx_stats->rs_flags & ATH9K_RX_2040)
 			rx_status->flag |= RX_FLAG_40MHZ;
-		if (ds->ds_rxstat.rs_flags & ATH9K_RX_GI)
+		if (rx_stats->rs_flags & ATH9K_RX_GI)
 			rx_status->flag |= RX_FLAG_SHORT_GI;
 		rx_status->rate_idx = ratecode & 0x7f;
 	} else {
@@ -204,31 +204,31 @@ static int ath_rx_prepare(struct ieee80211_hw *hw,
 	sta = ieee80211_find_sta_by_hw(hw, hdr->addr2);
 	if (sta) {
 		an = (struct ath_node *) sta->drv_priv;
-		if (ds->ds_rxstat.rs_rssi != ATH9K_RSSI_BAD &&
-		   !ds->ds_rxstat.rs_moreaggr)
-			ATH_RSSI_LPF(an->last_rssi, ds->ds_rxstat.rs_rssi);
+		if (rx_stats->rs_rssi != ATH9K_RSSI_BAD &&
+		   !rx_stats->rs_moreaggr)
+			ATH_RSSI_LPF(an->last_rssi, rx_stats->rs_rssi);
 		last_rssi = an->last_rssi;
 	}
 	rcu_read_unlock();
 
 	if (likely(last_rssi != ATH_RSSI_DUMMY_MARKER))
-		ds->ds_rxstat.rs_rssi = ATH_EP_RND(last_rssi,
-					ATH_RSSI_EP_MULTIPLIER);
-	if (ds->ds_rxstat.rs_rssi < 0)
-		ds->ds_rxstat.rs_rssi = 0;
-	else if (ds->ds_rxstat.rs_rssi > 127)
-		ds->ds_rxstat.rs_rssi = 127;
+		rx_stats->rs_rssi = ATH_EP_RND(last_rssi,
+					      ATH_RSSI_EP_MULTIPLIER);
+	if (rx_stats->rs_rssi < 0)
+		rx_stats->rs_rssi = 0;
+	else if (rx_stats->rs_rssi > 127)
+		rx_stats->rs_rssi = 127;
 
 	/* Update Beacon RSSI, this is used by ANI. */
 	if (ieee80211_is_beacon(fc))
-		sc->sc_ah->stats.avgbrssi = ds->ds_rxstat.rs_rssi;
+		sc->sc_ah->stats.avgbrssi = rx_stats->rs_rssi;
 
-	rx_status->mactime = ath_extend_tsf(sc, ds->ds_rxstat.rs_tstamp);
+	rx_status->mactime = ath_extend_tsf(sc, rx_stats->rs_tstamp);
 	rx_status->band = hw->conf.channel->band;
 	rx_status->freq = hw->conf.channel->center_freq;
 	rx_status->noise = sc->ani.noise_floor;
-	rx_status->signal = ATH_DEFAULT_NOISE_FLOOR + ds->ds_rxstat.rs_rssi;
-	rx_status->antenna = ds->ds_rxstat.rs_antenna;
+	rx_status->signal = ATH_DEFAULT_NOISE_FLOOR + rx_stats->rs_rssi;
+	rx_status->antenna = rx_stats->rs_antenna;
 
 	/*
 	 * Theory for reporting quality:
@@ -252,9 +252,9 @@ static int ath_rx_prepare(struct ieee80211_hw *hw,
 	 *
 	 */
 	if (conf_is_ht(&hw->conf))
-		rx_status->qual =  ds->ds_rxstat.rs_rssi * 100 / 45;
+		rx_status->qual =  rx_stats->rs_rssi * 100 / 45;
 	else
-		rx_status->qual =  ds->ds_rxstat.rs_rssi * 100 / 35;
+		rx_status->qual =  rx_stats->rs_rssi * 100 / 35;
 
 	/* rssi can be more than 45 though, anything above that
 	 * should be considered at 100% */
@@ -659,6 +659,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 
 	struct ath_buf *bf;
 	struct ath_desc *ds;
+	struct ath_rx_status *rx_stats;
 	struct sk_buff *skb = NULL, *requeue_skb;
 	struct ieee80211_rx_status rx_status;
 	struct ath_hw *ah = sc->sc_ah;
@@ -750,6 +751,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 
 		hdr = (struct ieee80211_hdr *) skb->data;
 		hw = ath_get_virt_hw(sc, hdr);
+		rx_stats = &ds->ds_rxstat;
 
 		/*
 		 * If we're asked to flush receive queue, directly
@@ -758,14 +760,14 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 		if (flush)
 			goto requeue;
 
-		if (!ds->ds_rxstat.rs_datalen)
+		if (!rx_stats->rs_datalen)
 			goto requeue;
 
 		/* The status portion of the descriptor could get corrupted. */
-		if (sc->rx.bufsize < ds->ds_rxstat.rs_datalen)
+		if (sc->rx.bufsize < rx_stats->rs_datalen)
 			goto requeue;
 
-		if (!ath_rx_prepare(hw, skb, ds,
+		if (!ath_rx_prepare(hw, skb, rx_stats,
 				    &rx_status, &decrypt_error, sc))
 			goto requeue;
 
@@ -785,7 +787,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 				 sc->rx.bufsize,
 				 DMA_FROM_DEVICE);
 
-		skb_put(skb, ds->ds_rxstat.rs_datalen);
+		skb_put(skb, rx_stats->rs_datalen);
 
 		/* see if any padding is done by the hw and remove it */
 		hdrlen = ieee80211_get_hdrlen_from_skb(skb);
@@ -805,7 +807,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 			skb_pull(skb, padsize);
 		}
 
-		keyix = ds->ds_rxstat.rs_keyix;
+		keyix = rx_stats->rs_keyix;
 
 		if (!(keyix == ATH9K_RXKEYIX_INVALID) && !decrypt_error) {
 			rx_status.flag |= RX_FLAG_DECRYPTED;
@@ -845,7 +847,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 		 */
 		if (sc->rx.defant != ds->ds_rxstat.rs_antenna) {
 			if (++sc->rx.rxotherant >= 3)
-				ath_setdefantenna(sc, ds->ds_rxstat.rs_antenna);
+				ath_setdefantenna(sc, rx_stats->rs_antenna);
 		} else {
 			sc->rx.rxotherant = 0;
 		}
-- 
GitLab


From 30cbd42265546a3efa146d4eb3456165325c83a7 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Tue, 3 Nov 2009 16:10:46 -0800
Subject: [PATCH 1140/1815] ath9k_hw: move ath_extend_tsf() to hw code to share
 as ath9k_hw_extend_tsf()

This will be shared between ath9k and ath9k_htc.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.c   | 15 +++++++++++++++
 drivers/net/wireless/ath/ath9k/hw.h   |  1 +
 drivers/net/wireless/ath/ath9k/recv.c | 16 +---------------
 3 files changed, 17 insertions(+), 15 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 111ff049f75..b25eedf67e0 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -3710,6 +3710,21 @@ void ath9k_hw_set_tsfadjust(struct ath_hw *ah, u32 setting)
 }
 EXPORT_SYMBOL(ath9k_hw_set_tsfadjust);
 
+/*
+ *  Extend 15-bit time stamp from rx descriptor to
+ *  a full 64-bit TSF using the current h/w TSF.
+*/
+u64 ath9k_hw_extend_tsf(struct ath_hw *ah, u32 rstamp)
+{
+	u64 tsf;
+
+	tsf = ath9k_hw_gettsf64(ah);
+	if ((tsf & 0x7fff) < rstamp)
+		tsf -= 0x8000;
+	return (tsf & ~0x7fff) | rstamp;
+}
+EXPORT_SYMBOL(ath9k_hw_extend_tsf);
+
 bool ath9k_hw_setslottime(struct ath_hw *ah, u32 us)
 {
 	if (us < ATH9K_SLOT_TIME_9 || us > ath9k_hw_mac_to_usec(ah, 0xffff)) {
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index c7b0c4d5f75..6d3e314c4be 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -689,6 +689,7 @@ u64 ath9k_hw_gettsf64(struct ath_hw *ah);
 void ath9k_hw_settsf64(struct ath_hw *ah, u64 tsf64);
 void ath9k_hw_reset_tsf(struct ath_hw *ah);
 void ath9k_hw_set_tsfadjust(struct ath_hw *ah, u32 setting);
+u64 ath9k_hw_extend_tsf(struct ath_hw *ah, u32 rstamp);
 bool ath9k_hw_setslottime(struct ath_hw *ah, u32 us);
 void ath9k_hw_set11nmac2040(struct ath_hw *ah);
 void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period);
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index fd45f775e1f..b27ea89bbc9 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -86,20 +86,6 @@ static void ath_setdefantenna(struct ath_softc *sc, u32 antenna)
 	sc->rx.rxotherant = 0;
 }
 
-/*
- *  Extend 15-bit time stamp from rx descriptor to
- *  a full 64-bit TSF using the current h/w TSF.
-*/
-static u64 ath_extend_tsf(struct ath_softc *sc, u32 rstamp)
-{
-	u64 tsf;
-
-	tsf = ath9k_hw_gettsf64(sc->sc_ah);
-	if ((tsf & 0x7fff) < rstamp)
-		tsf -= 0x8000;
-	return (tsf & ~0x7fff) | rstamp;
-}
-
 /*
  * For Decrypt or Demic errors, we only mark packet status here and always push
  * up the frame up to let mac80211 handle the actual error case, be it no
@@ -223,7 +209,7 @@ static int ath_rx_prepare(struct ieee80211_hw *hw,
 	if (ieee80211_is_beacon(fc))
 		sc->sc_ah->stats.avgbrssi = rx_stats->rs_rssi;
 
-	rx_status->mactime = ath_extend_tsf(sc, rx_stats->rs_tstamp);
+	rx_status->mactime = ath9k_hw_extend_tsf(sc->sc_ah, rx_stats->rs_tstamp);
 	rx_status->band = hw->conf.channel->band;
 	rx_status->freq = hw->conf.channel->center_freq;
 	rx_status->noise = sc->ani.noise_floor;
-- 
GitLab


From 3d536acf45ba65acb15fc65bf46f8d6c7ad6c463 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Tue, 3 Nov 2009 17:07:04 -0800
Subject: [PATCH 1141/1815] ath9k: move struct ath_ani to common area

This can be shared between ath9k and ath9k_htc. It will also
help with sharing routine helpers on the RX path.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath.h         | 12 ++++++
 drivers/net/wireless/ath/ath9k/ath9k.h | 11 -----
 drivers/net/wireless/ath/ath9k/main.c  | 56 +++++++++++++-------------
 drivers/net/wireless/ath/ath9k/recv.c  |  3 +-
 4 files changed, 42 insertions(+), 40 deletions(-)

diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h
index 5e19a7330d3..b3c8ee08bb7 100644
--- a/drivers/net/wireless/ath/ath.h
+++ b/drivers/net/wireless/ath/ath.h
@@ -23,6 +23,16 @@
 
 static const u8 ath_bcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 
+struct ath_ani {
+	bool caldone;
+	int16_t noise_floor;
+	unsigned int longcal_timer;
+	unsigned int shortcal_timer;
+	unsigned int resetcal_timer;
+	unsigned int checkani_timer;
+	struct timer_list timer;
+};
+
 enum ath_device_state {
 	ATH_HW_UNAVAILABLE,
 	ATH_HW_INITIALIZED,
@@ -66,6 +76,8 @@ struct ath_common {
 	int debug_mask;
 	enum ath_device_state state;
 
+	struct ath_ani ani;
+
 	u16 cachelsz;
 	u16 curaid;
 	u8 macaddr[ETH_ALEN];
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 4169d2b3f71..24f61fdb1c2 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -434,16 +434,6 @@ void ath_beacon_return(struct ath_softc *sc, struct ath_vif *avp);
 #define ATH_LONG_CALINTERVAL      30000   /* 30 seconds */
 #define ATH_RESTART_CALINTERVAL   1200000 /* 20 minutes */
 
-struct ath_ani {
-	bool caldone;
-	int16_t noise_floor;
-	unsigned int longcal_timer;
-	unsigned int shortcal_timer;
-	unsigned int resetcal_timer;
-	unsigned int checkani_timer;
-	struct timer_list timer;
-};
-
 /* Defines the BT AR_BT_COEX_WGHT used */
 enum ath_stomp_type {
 	ATH_BTCOEX_NO_STOMP,
@@ -601,7 +591,6 @@ struct ath_softc {
 
 	int beacon_interval;
 
-	struct ath_ani ani;
 #ifdef CONFIG_ATH9K_DEBUG
 	struct ath9k_debug debug;
 #endif
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 11aaa7d69a1..01ac8974eb0 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -405,34 +405,34 @@ static void ath_ani_calibrate(unsigned long data)
 	ath9k_ps_wakeup(sc);
 
 	/* Long calibration runs independently of short calibration. */
-	if ((timestamp - sc->ani.longcal_timer) >= ATH_LONG_CALINTERVAL) {
+	if ((timestamp - common->ani.longcal_timer) >= ATH_LONG_CALINTERVAL) {
 		longcal = true;
 		ath_print(common, ATH_DBG_ANI, "longcal @%lu\n", jiffies);
-		sc->ani.longcal_timer = timestamp;
+		common->ani.longcal_timer = timestamp;
 	}
 
 	/* Short calibration applies only while caldone is false */
-	if (!sc->ani.caldone) {
-		if ((timestamp - sc->ani.shortcal_timer) >= short_cal_interval) {
+	if (!common->ani.caldone) {
+		if ((timestamp - common->ani.shortcal_timer) >= short_cal_interval) {
 			shortcal = true;
 			ath_print(common, ATH_DBG_ANI,
 				  "shortcal @%lu\n", jiffies);
-			sc->ani.shortcal_timer = timestamp;
-			sc->ani.resetcal_timer = timestamp;
+			common->ani.shortcal_timer = timestamp;
+			common->ani.resetcal_timer = timestamp;
 		}
 	} else {
-		if ((timestamp - sc->ani.resetcal_timer) >=
+		if ((timestamp - common->ani.resetcal_timer) >=
 		    ATH_RESTART_CALINTERVAL) {
-			sc->ani.caldone = ath9k_hw_reset_calvalid(ah);
-			if (sc->ani.caldone)
-				sc->ani.resetcal_timer = timestamp;
+			common->ani.caldone = ath9k_hw_reset_calvalid(ah);
+			if (common->ani.caldone)
+				common->ani.resetcal_timer = timestamp;
 		}
 	}
 
 	/* Verify whether we must check ANI */
-	if ((timestamp - sc->ani.checkani_timer) >= ATH_ANI_POLLINTERVAL) {
+	if ((timestamp - common->ani.checkani_timer) >= ATH_ANI_POLLINTERVAL) {
 		aniflag = true;
-		sc->ani.checkani_timer = timestamp;
+		common->ani.checkani_timer = timestamp;
 	}
 
 	/* Skip all processing if there's nothing to do. */
@@ -443,21 +443,21 @@ static void ath_ani_calibrate(unsigned long data)
 
 		/* Perform calibration if necessary */
 		if (longcal || shortcal) {
-			sc->ani.caldone =
+			common->ani.caldone =
 				ath9k_hw_calibrate(ah,
 						   ah->curchan,
 						   common->rx_chainmask,
 						   longcal);
 
 			if (longcal)
-				sc->ani.noise_floor = ath9k_hw_getchan_noise(ah,
+				common->ani.noise_floor = ath9k_hw_getchan_noise(ah,
 								     ah->curchan);
 
 			ath_print(common, ATH_DBG_ANI,
 				  " calibrate chan %u/%x nf: %d\n",
 				  ah->curchan->channel,
 				  ah->curchan->channelFlags,
-				  sc->ani.noise_floor);
+				  common->ani.noise_floor);
 		}
 	}
 
@@ -473,21 +473,21 @@ set_timer:
 	cal_interval = ATH_LONG_CALINTERVAL;
 	if (sc->sc_ah->config.enable_ani)
 		cal_interval = min(cal_interval, (u32)ATH_ANI_POLLINTERVAL);
-	if (!sc->ani.caldone)
+	if (!common->ani.caldone)
 		cal_interval = min(cal_interval, (u32)short_cal_interval);
 
-	mod_timer(&sc->ani.timer, jiffies + msecs_to_jiffies(cal_interval));
+	mod_timer(&common->ani.timer, jiffies + msecs_to_jiffies(cal_interval));
 }
 
-static void ath_start_ani(struct ath_softc *sc)
+static void ath_start_ani(struct ath_common *common)
 {
 	unsigned long timestamp = jiffies_to_msecs(jiffies);
 
-	sc->ani.longcal_timer = timestamp;
-	sc->ani.shortcal_timer = timestamp;
-	sc->ani.checkani_timer = timestamp;
+	common->ani.longcal_timer = timestamp;
+	common->ani.shortcal_timer = timestamp;
+	common->ani.checkani_timer = timestamp;
 
-	mod_timer(&sc->ani.timer,
+	mod_timer(&common->ani.timer,
 		  jiffies + msecs_to_jiffies(ATH_ANI_POLLINTERVAL));
 }
 
@@ -1023,12 +1023,12 @@ static void ath9k_bss_assoc_info(struct ath_softc *sc,
 		/* Reset rssi stats */
 		sc->sc_ah->stats.avgbrssi = ATH_RSSI_DUMMY_MARKER;
 
-		ath_start_ani(sc);
+		ath_start_ani(common);
 	} else {
 		ath_print(common, ATH_DBG_CONFIG, "Bss Info DISASSOC\n");
 		common->curaid = 0;
 		/* Stop ANI */
-		del_timer_sync(&sc->ani.timer);
+		del_timer_sync(&common->ani.timer);
 	}
 }
 
@@ -1761,8 +1761,8 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
 	/* Initializes the noise floor to a reasonable default value.
 	 * Later on this will be updated during ANI processing. */
 
-	sc->ani.noise_floor = ATH_DEFAULT_NOISE_FLOOR;
-	setup_timer(&sc->ani.timer, ath_ani_calibrate, (unsigned long)sc);
+	common->ani.noise_floor = ATH_DEFAULT_NOISE_FLOOR;
+	setup_timer(&common->ani.timer, ath_ani_calibrate, (unsigned long)sc);
 
 	if (ath9k_hw_getcapability(ah, ATH9K_CAP_CIPHER,
 				   ATH9K_CIPHER_TKIP, NULL)) {
@@ -2634,7 +2634,7 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
 	if (conf->type == NL80211_IFTYPE_AP    ||
 	    conf->type == NL80211_IFTYPE_ADHOC ||
 	    conf->type == NL80211_IFTYPE_MONITOR)
-		ath_start_ani(sc);
+		ath_start_ani(common);
 
 out:
 	mutex_unlock(&sc->mutex);
@@ -2655,7 +2655,7 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw,
 	mutex_lock(&sc->mutex);
 
 	/* Stop ANI */
-	del_timer_sync(&sc->ani.timer);
+	del_timer_sync(&common->ani.timer);
 
 	/* Reclaim beacon resources */
 	if ((sc->sc_ah->opmode == NL80211_IFTYPE_AP) ||
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index b27ea89bbc9..403debb4ec1 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -102,6 +102,7 @@ static int ath_rx_prepare(struct ieee80211_hw *hw,
 	struct ieee80211_sta *sta;
 	struct ath_node *an;
 	int last_rssi = ATH_RSSI_DUMMY_MARKER;
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 
 	hdr = (struct ieee80211_hdr *)skb->data;
 	fc = hdr->frame_control;
@@ -212,7 +213,7 @@ static int ath_rx_prepare(struct ieee80211_hw *hw,
 	rx_status->mactime = ath9k_hw_extend_tsf(sc->sc_ah, rx_stats->rs_tstamp);
 	rx_status->band = hw->conf.channel->band;
 	rx_status->freq = hw->conf.channel->center_freq;
-	rx_status->noise = sc->ani.noise_floor;
+	rx_status->noise = common->ani.noise_floor;
 	rx_status->signal = ATH_DEFAULT_NOISE_FLOOR + rx_stats->rs_rssi;
 	rx_status->antenna = rx_stats->rs_antenna;
 
-- 
GitLab


From 712c13a86affe69dd8462631808edd5825b5e1cb Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Tue, 3 Nov 2009 15:57:16 -0800
Subject: [PATCH 1142/1815] ath9k: use the ieee80211_hw to get to an sband on
 ath_rx_prepare()

No need to use the private driver structure to get to an sband.
This will make it easier to share this code with ath9k_htc.

With the sc gone we can now just pass the common structure to
ath_rx_prepare().

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/recv.c | 39 ++++++++++++++-------------
 1 file changed, 20 insertions(+), 19 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 403debb4ec1..fa78914cbfb 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -91,18 +91,19 @@ static void ath_setdefantenna(struct ath_softc *sc, u32 antenna)
  * up the frame up to let mac80211 handle the actual error case, be it no
  * decryption key or real decryption error. This let us keep statistics there.
  */
-static int ath_rx_prepare(struct ieee80211_hw *hw,
+static int ath_rx_prepare(struct ath_common *common,
+			  struct ieee80211_hw *hw,
 			  struct sk_buff *skb, struct ath_rx_status *rx_stats,
-			  struct ieee80211_rx_status *rx_status, bool *decrypt_error,
-			  struct ath_softc *sc)
+			  struct ieee80211_rx_status *rx_status,
+			  bool *decrypt_error)
 {
+	struct ath_hw *ah = common->ah;
 	struct ieee80211_hdr *hdr;
 	u8 ratecode;
 	__le16 fc;
 	struct ieee80211_sta *sta;
 	struct ath_node *an;
 	int last_rssi = ATH_RSSI_DUMMY_MARKER;
-	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 
 	hdr = (struct ieee80211_hdr *)skb->data;
 	fc = hdr->frame_control;
@@ -115,7 +116,7 @@ static int ath_rx_prepare(struct ieee80211_hw *hw,
 		 * discard the frame. Enable this if you want to see
 		 * error frames in Monitor mode.
 		 */
-		if (sc->sc_ah->opmode != NL80211_IFTYPE_MONITOR)
+		if (ah->opmode != NL80211_IFTYPE_MONITOR)
 			goto rx_next;
 	} else if (rx_stats->rs_status != 0) {
 		if (rx_stats->rs_status & ATH9K_RXERR_CRC)
@@ -141,7 +142,7 @@ static int ath_rx_prepare(struct ieee80211_hw *hw,
 		 * decryption and MIC failures. For monitor mode,
 		 * we also ignore the CRC error.
 		 */
-		if (sc->sc_ah->opmode == NL80211_IFTYPE_MONITOR) {
+		if (ah->opmode == NL80211_IFTYPE_MONITOR) {
 			if (rx_stats->rs_status &
 			    ~(ATH9K_RXERR_DECRYPT | ATH9K_RXERR_MIC |
 			      ATH9K_RXERR_CRC))
@@ -165,20 +166,20 @@ static int ath_rx_prepare(struct ieee80211_hw *hw,
 			rx_status->flag |= RX_FLAG_SHORT_GI;
 		rx_status->rate_idx = ratecode & 0x7f;
 	} else {
-		int i = 0, cur_band, n_rates;
+		struct ieee80211_supported_band *sband;
+		unsigned int i = 0;
+		enum ieee80211_band band;
 
-		cur_band = hw->conf.channel->band;
-		n_rates = sc->sbands[cur_band].n_bitrates;
+		band = hw->conf.channel->band;
+		sband = hw->wiphy->bands[band];
 
-		for (i = 0; i < n_rates; i++) {
-			if (sc->sbands[cur_band].bitrates[i].hw_value ==
-			    ratecode) {
+		for (i = 0; i < sband->n_bitrates; i++) {
+			if (sband->bitrates[i].hw_value == rx_stats->rs_rate) {
 				rx_status->rate_idx = i;
 				break;
 			}
-
-			if (sc->sbands[cur_band].bitrates[i].hw_value_short ==
-			    ratecode) {
+			if (sband->bitrates[i].hw_value_short ==
+			    rx_stats->rs_rate) {
 				rx_status->rate_idx = i;
 				rx_status->flag |= RX_FLAG_SHORTPRE;
 				break;
@@ -208,9 +209,9 @@ static int ath_rx_prepare(struct ieee80211_hw *hw,
 
 	/* Update Beacon RSSI, this is used by ANI. */
 	if (ieee80211_is_beacon(fc))
-		sc->sc_ah->stats.avgbrssi = rx_stats->rs_rssi;
+		ah->stats.avgbrssi = rx_stats->rs_rssi;
 
-	rx_status->mactime = ath9k_hw_extend_tsf(sc->sc_ah, rx_stats->rs_tstamp);
+	rx_status->mactime = ath9k_hw_extend_tsf(ah, rx_stats->rs_tstamp);
 	rx_status->band = hw->conf.channel->band;
 	rx_status->freq = hw->conf.channel->center_freq;
 	rx_status->noise = common->ani.noise_floor;
@@ -754,8 +755,8 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 		if (sc->rx.bufsize < rx_stats->rs_datalen)
 			goto requeue;
 
-		if (!ath_rx_prepare(hw, skb, rx_stats,
-				    &rx_status, &decrypt_error, sc))
+		if (!ath_rx_prepare(common, hw, skb, rx_stats,
+				    &rx_status, &decrypt_error))
 			goto requeue;
 
 		/* Ensure we always have an skb to requeue once we are done
-- 
GitLab


From 207e96854e39380fce8b589bbbdaf6e9a83b9151 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Tue, 3 Nov 2009 17:39:00 -0800
Subject: [PATCH 1143/1815] ath9k: move RX check code into helper
 ath9k_rx_accept()

This does sanity checking on the skb and RX status descriptor
prior to processing.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/recv.c | 63 +++++++++++++++++----------
 1 file changed, 41 insertions(+), 22 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index fa78914cbfb..6e00eafc9b2 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -86,28 +86,19 @@ static void ath_setdefantenna(struct ath_softc *sc, u32 antenna)
 	sc->rx.rxotherant = 0;
 }
 
-/*
- * For Decrypt or Demic errors, we only mark packet status here and always push
- * up the frame up to let mac80211 handle the actual error case, be it no
- * decryption key or real decryption error. This let us keep statistics there.
- */
-static int ath_rx_prepare(struct ath_common *common,
-			  struct ieee80211_hw *hw,
-			  struct sk_buff *skb, struct ath_rx_status *rx_stats,
-			  struct ieee80211_rx_status *rx_status,
-			  bool *decrypt_error)
+/* Assumes you've already done the endian to CPU conversion */
+static bool ath9k_rx_accept(struct ath_common *common,
+			    struct sk_buff *skb,
+			    struct ieee80211_rx_status *rxs,
+			    struct ath_rx_status *rx_stats,
+			    bool *decrypt_error)
 {
 	struct ath_hw *ah = common->ah;
 	struct ieee80211_hdr *hdr;
-	u8 ratecode;
 	__le16 fc;
-	struct ieee80211_sta *sta;
-	struct ath_node *an;
-	int last_rssi = ATH_RSSI_DUMMY_MARKER;
 
-	hdr = (struct ieee80211_hdr *)skb->data;
+	hdr = (struct ieee80211_hdr *) skb->data;
 	fc = hdr->frame_control;
-	memset(rx_status, 0, sizeof(struct ieee80211_rx_status));
 
 	if (rx_stats->rs_more) {
 		/*
@@ -117,12 +108,12 @@ static int ath_rx_prepare(struct ath_common *common,
 		 * error frames in Monitor mode.
 		 */
 		if (ah->opmode != NL80211_IFTYPE_MONITOR)
-			goto rx_next;
+			return false;
 	} else if (rx_stats->rs_status != 0) {
 		if (rx_stats->rs_status & ATH9K_RXERR_CRC)
-			rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
+			rxs->flag |= RX_FLAG_FAILED_FCS_CRC;
 		if (rx_stats->rs_status & ATH9K_RXERR_PHY)
-			goto rx_next;
+			return false;
 
 		if (rx_stats->rs_status & ATH9K_RXERR_DECRYPT) {
 			*decrypt_error = true;
@@ -135,7 +126,7 @@ static int ath_rx_prepare(struct ath_common *common,
 				 */
 				rx_stats->rs_status &= ~ATH9K_RXERR_MIC;
 			else
-				rx_status->flag |= RX_FLAG_MMIC_ERROR;
+				rxs->flag |= RX_FLAG_MMIC_ERROR;
 		}
 		/*
 		 * Reject error frames with the exception of
@@ -146,14 +137,42 @@ static int ath_rx_prepare(struct ath_common *common,
 			if (rx_stats->rs_status &
 			    ~(ATH9K_RXERR_DECRYPT | ATH9K_RXERR_MIC |
 			      ATH9K_RXERR_CRC))
-				goto rx_next;
+				return false;
 		} else {
 			if (rx_stats->rs_status &
 			    ~(ATH9K_RXERR_DECRYPT | ATH9K_RXERR_MIC)) {
-				goto rx_next;
+				return false;
 			}
 		}
 	}
+	return true;
+}
+
+/*
+ * For Decrypt or Demic errors, we only mark packet status here and always push
+ * up the frame up to let mac80211 handle the actual error case, be it no
+ * decryption key or real decryption error. This let us keep statistics there.
+ */
+static int ath_rx_prepare(struct ath_common *common,
+			  struct ieee80211_hw *hw,
+			  struct sk_buff *skb, struct ath_rx_status *rx_stats,
+			  struct ieee80211_rx_status *rx_status,
+			  bool *decrypt_error)
+{
+	struct ath_hw *ah = common->ah;
+	struct ieee80211_hdr *hdr;
+	u8 ratecode;
+	__le16 fc;
+	struct ieee80211_sta *sta;
+	struct ath_node *an;
+	int last_rssi = ATH_RSSI_DUMMY_MARKER;
+
+	hdr = (struct ieee80211_hdr *)skb->data;
+	fc = hdr->frame_control;
+	memset(rx_status, 0, sizeof(struct ieee80211_rx_status));
+
+	if (!ath9k_rx_accept(common, skb, rx_status, rx_stats, decrypt_error))
+		goto rx_next;
 
 	ratecode = rx_stats->rs_rate;
 
-- 
GitLab


From 14077f5b7a28bdcd166faed2c0b36fad9f3eadda Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Tue, 3 Nov 2009 17:52:33 -0800
Subject: [PATCH 1144/1815] ath9k: remove temp variable ratecode from
 ath_rx_prepare()

Its just a distraction when reading the code, instead use the
rx_stats->rs_rate directly.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/recv.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 6e00eafc9b2..9e6dded399f 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -161,7 +161,6 @@ static int ath_rx_prepare(struct ath_common *common,
 {
 	struct ath_hw *ah = common->ah;
 	struct ieee80211_hdr *hdr;
-	u8 ratecode;
 	__le16 fc;
 	struct ieee80211_sta *sta;
 	struct ath_node *an;
@@ -174,16 +173,14 @@ static int ath_rx_prepare(struct ath_common *common,
 	if (!ath9k_rx_accept(common, skb, rx_status, rx_stats, decrypt_error))
 		goto rx_next;
 
-	ratecode = rx_stats->rs_rate;
-
-	if (ratecode & 0x80) {
+	if (rx_stats->rs_rate & 0x80) {
 		/* HT rate */
 		rx_status->flag |= RX_FLAG_HT;
 		if (rx_stats->rs_flags & ATH9K_RX_2040)
 			rx_status->flag |= RX_FLAG_40MHZ;
 		if (rx_stats->rs_flags & ATH9K_RX_GI)
 			rx_status->flag |= RX_FLAG_SHORT_GI;
-		rx_status->rate_idx = ratecode & 0x7f;
+		rx_status->rate_idx = rx_stats->rs_rate & 0x7f;
 	} else {
 		struct ieee80211_supported_band *sband;
 		unsigned int i = 0;
-- 
GitLab


From 9878841e1360266fa4522fbdc2448fcdce95e0dd Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Tue, 3 Nov 2009 18:10:30 -0800
Subject: [PATCH 1145/1815] ath9k: move rate descriptor reading into a helper

ath9k_process_rate() now does all the rx status processing to
read the rate the hardware passed and translate it to whatever
mac80211 wants.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/recv.c | 72 ++++++++++++++++-----------
 1 file changed, 43 insertions(+), 29 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 9e6dded399f..9eae9467c27 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -148,6 +148,47 @@ static bool ath9k_rx_accept(struct ath_common *common,
 	return true;
 }
 
+static u8 ath9k_process_rate(struct ath_common *common,
+			     struct ieee80211_hw *hw,
+			     struct ath_rx_status *rx_stats,
+			     struct ieee80211_rx_status *rxs,
+			     struct sk_buff *skb)
+{
+	struct ieee80211_supported_band *sband;
+	enum ieee80211_band band;
+	unsigned int i = 0;
+
+	band = hw->conf.channel->band;
+	sband = hw->wiphy->bands[band];
+
+	if (rx_stats->rs_rate & 0x80) {
+		/* HT rate */
+		rxs->flag |= RX_FLAG_HT;
+		if (rx_stats->rs_flags & ATH9K_RX_2040)
+			rxs->flag |= RX_FLAG_40MHZ;
+		if (rx_stats->rs_flags & ATH9K_RX_GI)
+			rxs->flag |= RX_FLAG_SHORT_GI;
+		return rx_stats->rs_rate & 0x7f;
+	}
+
+	for (i = 0; i < sband->n_bitrates; i++) {
+		if (sband->bitrates[i].hw_value == rx_stats->rs_rate)
+			return i;
+		if (sband->bitrates[i].hw_value_short == rx_stats->rs_rate) {
+			rxs->flag |= RX_FLAG_SHORTPRE;
+			return i;
+		}
+	}
+
+	/* No valid hardware bitrate found -- we should not get here */
+	ath_print(common, ATH_DBG_XMIT, "unsupported hw bitrate detected "
+		  "0x%02x using 1 Mbit\n", rx_stats->rs_rate);
+	if ((common->debug_mask & ATH_DBG_XMIT))
+		print_hex_dump_bytes("", DUMP_PREFIX_NONE, skb->data, skb->len);
+
+        return 0;
+}
+
 /*
  * For Decrypt or Demic errors, we only mark packet status here and always push
  * up the frame up to let mac80211 handle the actual error case, be it no
@@ -173,35 +214,6 @@ static int ath_rx_prepare(struct ath_common *common,
 	if (!ath9k_rx_accept(common, skb, rx_status, rx_stats, decrypt_error))
 		goto rx_next;
 
-	if (rx_stats->rs_rate & 0x80) {
-		/* HT rate */
-		rx_status->flag |= RX_FLAG_HT;
-		if (rx_stats->rs_flags & ATH9K_RX_2040)
-			rx_status->flag |= RX_FLAG_40MHZ;
-		if (rx_stats->rs_flags & ATH9K_RX_GI)
-			rx_status->flag |= RX_FLAG_SHORT_GI;
-		rx_status->rate_idx = rx_stats->rs_rate & 0x7f;
-	} else {
-		struct ieee80211_supported_band *sband;
-		unsigned int i = 0;
-		enum ieee80211_band band;
-
-		band = hw->conf.channel->band;
-		sband = hw->wiphy->bands[band];
-
-		for (i = 0; i < sband->n_bitrates; i++) {
-			if (sband->bitrates[i].hw_value == rx_stats->rs_rate) {
-				rx_status->rate_idx = i;
-				break;
-			}
-			if (sband->bitrates[i].hw_value_short ==
-			    rx_stats->rs_rate) {
-				rx_status->rate_idx = i;
-				rx_status->flag |= RX_FLAG_SHORTPRE;
-				break;
-			}
-		}
-	}
 
 	rcu_read_lock();
 	/* XXX: use ieee80211_find_sta! */
@@ -227,6 +239,8 @@ static int ath_rx_prepare(struct ath_common *common,
 	if (ieee80211_is_beacon(fc))
 		ah->stats.avgbrssi = rx_stats->rs_rssi;
 
+	rx_status->rate_idx = ath9k_process_rate(common, hw,
+						 rx_stats, rx_status, skb);
 	rx_status->mactime = ath9k_hw_extend_tsf(ah, rx_stats->rs_tstamp);
 	rx_status->band = hw->conf.channel->band;
 	rx_status->freq = hw->conf.channel->center_freq;
-- 
GitLab


From 21b22738068366d7740b4b7cf55ce270f479543a Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Tue, 3 Nov 2009 18:20:26 -0800
Subject: [PATCH 1146/1815] ath9k: move qual processing into a helper

This moves the qual computing into a small helper,
ath9k_compute_qual()

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/recv.c | 74 +++++++++++++++------------
 1 file changed, 42 insertions(+), 32 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 9eae9467c27..d357b9adcf4 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -189,6 +189,47 @@ static u8 ath9k_process_rate(struct ath_common *common,
         return 0;
 }
 
+/*
+ * Theory for reporting quality:
+ *
+ * At a hardware RSSI of 45 you will be able to use MCS 7  reliably.
+ * At a hardware RSSI of 45 you will be able to use MCS 15 reliably.
+ * At a hardware RSSI of 35 you should be able use 54 Mbps reliably.
+ *
+ * MCS 7  is the highets MCS index usable by a 1-stream device.
+ * MCS 15 is the highest MCS index usable by a 2-stream device.
+ *
+ * All ath9k devices are either 1-stream or 2-stream.
+ *
+ * How many bars you see is derived from the qual reporting.
+ *
+ * A more elaborate scheme can be used here but it requires tables
+ * of SNR/throughput for each possible mode used. For the MCS table
+ * you can refer to the wireless wiki:
+ *
+ * http://wireless.kernel.org/en/developers/Documentation/ieee80211/802.11n
+ *
+ */
+static int ath9k_compute_qual(struct ieee80211_hw *hw,
+			      struct ath_rx_status *rx_stats)
+{
+	int qual;
+
+	if (conf_is_ht(&hw->conf))
+		qual =  rx_stats->rs_rssi * 100 / 45;
+	else
+		qual =  rx_stats->rs_rssi * 100 / 35;
+
+	/*
+	 * rssi can be more than 45 though, anything above that
+	 * should be considered at 100%
+	 */
+	if (qual > 100)
+		qual = 100;
+
+	return qual;
+}
+
 /*
  * For Decrypt or Demic errors, we only mark packet status here and always push
  * up the frame up to let mac80211 handle the actual error case, be it no
@@ -247,38 +288,7 @@ static int ath_rx_prepare(struct ath_common *common,
 	rx_status->noise = common->ani.noise_floor;
 	rx_status->signal = ATH_DEFAULT_NOISE_FLOOR + rx_stats->rs_rssi;
 	rx_status->antenna = rx_stats->rs_antenna;
-
-	/*
-	 * Theory for reporting quality:
-	 *
-	 * At a hardware RSSI of 45 you will be able to use MCS 7  reliably.
-	 * At a hardware RSSI of 45 you will be able to use MCS 15 reliably.
-	 * At a hardware RSSI of 35 you should be able use 54 Mbps reliably.
-	 *
-	 * MCS 7  is the highets MCS index usable by a 1-stream device.
-	 * MCS 15 is the highest MCS index usable by a 2-stream device.
-	 *
-	 * All ath9k devices are either 1-stream or 2-stream.
-	 *
-	 * How many bars you see is derived from the qual reporting.
-	 *
-	 * A more elaborate scheme can be used here but it requires tables
-	 * of SNR/throughput for each possible mode used. For the MCS table
-	 * you can refer to the wireless wiki:
-	 *
-	 * http://wireless.kernel.org/en/developers/Documentation/ieee80211/802.11n
-	 *
-	 */
-	if (conf_is_ht(&hw->conf))
-		rx_status->qual =  rx_stats->rs_rssi * 100 / 45;
-	else
-		rx_status->qual =  rx_stats->rs_rssi * 100 / 35;
-
-	/* rssi can be more than 45 though, anything above that
-	 * should be considered at 100% */
-	if (rx_status->qual > 100)
-		rx_status->qual = 100;
-
+	rx_status->qual = ath9k_compute_qual(hw, rx_stats);
 	rx_status->flag |= RX_FLAG_TSFT;
 
 	return 1;
-- 
GitLab


From dbfc22df1afbeb91d528e2f84d6603ac9ce98bc2 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Tue, 3 Nov 2009 18:35:05 -0800
Subject: [PATCH 1147/1815] ath9k: move rssi processing into a helper

This moves all the RX processing of RSSI into a helper,
ath_rx_prepare(). ath_rx_prepare() should now be really
easy to read and follow.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/recv.c | 44 ++++++++++++++++-----------
 1 file changed, 27 insertions(+), 17 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index d357b9adcf4..4c4c22f54e9 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -230,31 +230,20 @@ static int ath9k_compute_qual(struct ieee80211_hw *hw,
 	return qual;
 }
 
-/*
- * For Decrypt or Demic errors, we only mark packet status here and always push
- * up the frame up to let mac80211 handle the actual error case, be it no
- * decryption key or real decryption error. This let us keep statistics there.
- */
-static int ath_rx_prepare(struct ath_common *common,
-			  struct ieee80211_hw *hw,
-			  struct sk_buff *skb, struct ath_rx_status *rx_stats,
-			  struct ieee80211_rx_status *rx_status,
-			  bool *decrypt_error)
+static void ath9k_process_rssi(struct ath_common *common,
+			       struct ieee80211_hw *hw,
+			       struct sk_buff *skb,
+			       struct ath_rx_status *rx_stats)
 {
 	struct ath_hw *ah = common->ah;
-	struct ieee80211_hdr *hdr;
-	__le16 fc;
 	struct ieee80211_sta *sta;
+	struct ieee80211_hdr *hdr;
 	struct ath_node *an;
 	int last_rssi = ATH_RSSI_DUMMY_MARKER;
+	__le16 fc;
 
 	hdr = (struct ieee80211_hdr *)skb->data;
 	fc = hdr->frame_control;
-	memset(rx_status, 0, sizeof(struct ieee80211_rx_status));
-
-	if (!ath9k_rx_accept(common, skb, rx_status, rx_stats, decrypt_error))
-		goto rx_next;
-
 
 	rcu_read_lock();
 	/* XXX: use ieee80211_find_sta! */
@@ -279,6 +268,27 @@ static int ath_rx_prepare(struct ath_common *common,
 	/* Update Beacon RSSI, this is used by ANI. */
 	if (ieee80211_is_beacon(fc))
 		ah->stats.avgbrssi = rx_stats->rs_rssi;
+}
+
+/*
+ * For Decrypt or Demic errors, we only mark packet status here and always push
+ * up the frame up to let mac80211 handle the actual error case, be it no
+ * decryption key or real decryption error. This let us keep statistics there.
+ */
+static int ath_rx_prepare(struct ath_common *common,
+			  struct ieee80211_hw *hw,
+			  struct sk_buff *skb, struct ath_rx_status *rx_stats,
+			  struct ieee80211_rx_status *rx_status,
+			  bool *decrypt_error)
+{
+	struct ath_hw *ah = common->ah;
+
+	memset(rx_status, 0, sizeof(struct ieee80211_rx_status));
+
+	if (!ath9k_rx_accept(common, skb, rx_status, rx_stats, decrypt_error))
+		goto rx_next;
+
+	ath9k_process_rssi(common, hw, skb, rx_stats);
 
 	rx_status->rate_idx = ath9k_process_rate(common, hw,
 						 rx_stats, rx_status, skb);
-- 
GitLab


From 5ca42627f3ddc0e4fc3e62d879cc35ab5beaaa8b Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 4 Nov 2009 08:20:42 -0800
Subject: [PATCH 1148/1815] ath9k: avoid the copy skb->cb on every RX'd skb

The skb->cb (control buffer, 48 bytes) is available to the skb
upon skb allocation. You can fill it up imediately after skb
allocation. ath9k was copying onto the skb->cb the data from the
processed skb for mac80211 from a stack struct ieee80211_rx_status
structure. This is unnecessary, instead use the skb->cb for the
rx status immediately after the skb becomes available and DMA
synched.

Additionally, avoid the copy of the skb->cb also for virtual wiphys
as skb_copy() will copy over the skb->cb for us as well.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/recv.c | 38 +++++++++++----------------
 1 file changed, 16 insertions(+), 22 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 4c4c22f54e9..079361423ef 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -283,8 +283,6 @@ static int ath_rx_prepare(struct ath_common *common,
 {
 	struct ath_hw *ah = common->ah;
 
-	memset(rx_status, 0, sizeof(struct ieee80211_rx_status));
-
 	if (!ath9k_rx_accept(common, skb, rx_status, rx_stats, decrypt_error))
 		goto rx_next;
 
@@ -654,7 +652,7 @@ static void ath_rx_ps(struct ath_softc *sc, struct sk_buff *skb)
 
 static void ath_rx_send_to_mac80211(struct ieee80211_hw *hw,
 				    struct ath_softc *sc, struct sk_buff *skb,
-				    struct ieee80211_rx_status *rx_status)
+				    struct ieee80211_rx_status *rxs)
 {
 	struct ieee80211_hdr *hdr;
 
@@ -674,19 +672,14 @@ static void ath_rx_send_to_mac80211(struct ieee80211_hw *hw,
 			if (aphy == NULL)
 				continue;
 			nskb = skb_copy(skb, GFP_ATOMIC);
-			if (nskb) {
-				memcpy(IEEE80211_SKB_RXCB(nskb), rx_status,
-					sizeof(*rx_status));
-				ieee80211_rx(aphy->hw, nskb);
-			}
+			if (!nskb)
+				continue;
+			ieee80211_rx(aphy->hw, nskb);
 		}
-		memcpy(IEEE80211_SKB_RXCB(skb), rx_status, sizeof(*rx_status));
 		ieee80211_rx(sc->hw, skb);
-	} else {
+	} else
 		/* Deliver unicast frames based on receiver address */
-		memcpy(IEEE80211_SKB_RXCB(skb), rx_status, sizeof(*rx_status));
 		ieee80211_rx(hw, skb);
-	}
 }
 
 int ath_rx_tasklet(struct ath_softc *sc, int flush)
@@ -699,7 +692,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 	struct ath_desc *ds;
 	struct ath_rx_status *rx_stats;
 	struct sk_buff *skb = NULL, *requeue_skb;
-	struct ieee80211_rx_status rx_status;
+	struct ieee80211_rx_status *rxs;
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath_common *common = ath9k_hw_common(ah);
 	/*
@@ -788,6 +781,8 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 				DMA_FROM_DEVICE);
 
 		hdr = (struct ieee80211_hdr *) skb->data;
+		rxs =  IEEE80211_SKB_RXCB(skb);
+
 		hw = ath_get_virt_hw(sc, hdr);
 		rx_stats = &ds->ds_rxstat;
 
@@ -806,7 +801,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 			goto requeue;
 
 		if (!ath_rx_prepare(common, hw, skb, rx_stats,
-				    &rx_status, &decrypt_error))
+				    rxs, &decrypt_error))
 			goto requeue;
 
 		/* Ensure we always have an skb to requeue once we are done
@@ -848,20 +843,19 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 		keyix = rx_stats->rs_keyix;
 
 		if (!(keyix == ATH9K_RXKEYIX_INVALID) && !decrypt_error) {
-			rx_status.flag |= RX_FLAG_DECRYPTED;
+			rxs->flag |= RX_FLAG_DECRYPTED;
 		} else if (ieee80211_has_protected(fc)
 			   && !decrypt_error && skb->len >= hdrlen + 4) {
 			keyix = skb->data[hdrlen + 3] >> 6;
 
 			if (test_bit(keyix, sc->keymap))
-				rx_status.flag |= RX_FLAG_DECRYPTED;
+				rxs->flag |= RX_FLAG_DECRYPTED;
 		}
 		if (ah->sw_mgmt_crypto &&
-		    (rx_status.flag & RX_FLAG_DECRYPTED) &&
-		    ieee80211_is_mgmt(fc)) {
+		    (rxs->flag & RX_FLAG_DECRYPTED) &&
+		    ieee80211_is_mgmt(fc))
 			/* Use software decrypt for management frames. */
-			rx_status.flag &= ~RX_FLAG_DECRYPTED;
-		}
+			rxs->flag &= ~RX_FLAG_DECRYPTED;
 
 		/* We will now give hardware our shiny new allocated skb */
 		bf->bf_mpdu = requeue_skb;
@@ -874,7 +868,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 			bf->bf_mpdu = NULL;
 			ath_print(common, ATH_DBG_FATAL,
 				  "dma_mapping_error() on RX\n");
-			ath_rx_send_to_mac80211(hw, sc, skb, &rx_status);
+			ath_rx_send_to_mac80211(hw, sc, skb, rxs);
 			break;
 		}
 		bf->bf_dmacontext = bf->bf_buf_addr;
@@ -895,7 +889,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 					     SC_OP_WAIT_FOR_PSPOLL_DATA)))
 			ath_rx_ps(sc, skb);
 
-		ath_rx_send_to_mac80211(hw, sc, skb, &rx_status);
+		ath_rx_send_to_mac80211(hw, sc, skb, rxs);
 
 requeue:
 		list_move_tail(&bf->list, &sc->rx.rxbuf);
-- 
GitLab


From 0a45da765e4bf5e8a7705266fa36e0f44787b0a1 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 4 Nov 2009 08:58:45 -0800
Subject: [PATCH 1149/1815] ath9k: move the rx_stats->rs_datalen check to
 ath9k_rx_accept()

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/recv.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 079361423ef..4420a5800bd 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -100,6 +100,9 @@ static bool ath9k_rx_accept(struct ath_common *common,
 	hdr = (struct ieee80211_hdr *) skb->data;
 	fc = hdr->frame_control;
 
+	if (!rx_stats->rs_datalen)
+		return false;
+
 	if (rx_stats->rs_more) {
 		/*
 		 * Frame spans multiple descriptors; this cannot happen yet
@@ -793,9 +796,6 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 		if (flush)
 			goto requeue;
 
-		if (!rx_stats->rs_datalen)
-			goto requeue;
-
 		/* The status portion of the descriptor could get corrupted. */
 		if (sc->rx.bufsize < rx_stats->rs_datalen)
 			goto requeue;
-- 
GitLab


From cc861f7468724e66567baf087b4e413e91b18150 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 4 Nov 2009 09:11:34 -0800
Subject: [PATCH 1150/1815] ath: move the rx bufsize to common to share with
 ath5k/ath9k

This will also be used by ath9k_htc.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath.h         |  2 ++
 drivers/net/wireless/ath/ath5k/base.c  | 22 ++++++++++------
 drivers/net/wireless/ath/ath9k/ath9k.h |  1 -
 drivers/net/wireless/ath/ath9k/recv.c  | 35 +++++++++++++++-----------
 4 files changed, 36 insertions(+), 24 deletions(-)

diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h
index b3c8ee08bb7..4af13628baf 100644
--- a/drivers/net/wireless/ath/ath.h
+++ b/drivers/net/wireless/ath/ath.h
@@ -87,6 +87,8 @@ struct ath_common {
 	u8 tx_chainmask;
 	u8 rx_chainmask;
 
+	u32 rx_bufsize;
+
 	struct ath_regulatory regulatory;
 	const struct ath_ops *ops;
 	const struct ath_bus_ops *bus_ops;
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index cb3dc892d69..f1a7c77c0f8 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -323,10 +323,13 @@ static inline void ath5k_txbuf_free(struct ath5k_softc *sc,
 static inline void ath5k_rxbuf_free(struct ath5k_softc *sc,
 				struct ath5k_buf *bf)
 {
+	struct ath5k_hw *ah = sc->ah;
+	struct ath_common *common = ath5k_hw_common(ah);
+
 	BUG_ON(!bf);
 	if (!bf->skb)
 		return;
-	pci_unmap_single(sc->pdev, bf->skbaddr, sc->rxbufsize,
+	pci_unmap_single(sc->pdev, bf->skbaddr, common->rx_bufsize,
 			PCI_DMA_FROMDEVICE);
 	dev_kfree_skb_any(bf->skb);
 	bf->skb = NULL;
@@ -1181,17 +1184,18 @@ struct sk_buff *ath5k_rx_skb_alloc(struct ath5k_softc *sc, dma_addr_t *skb_addr)
 	 * fake physical layer header at the start.
 	 */
 	skb = ath_rxbuf_alloc(common,
-			      sc->rxbufsize + common->cachelsz - 1,
+			      common->rx_bufsize + common->cachelsz - 1,
 			      GFP_ATOMIC);
 
 	if (!skb) {
 		ATH5K_ERR(sc, "can't alloc skbuff of size %u\n",
-				sc->rxbufsize + common->cachelsz - 1);
+				common->rx_bufsize + common->cachelsz - 1);
 		return NULL;
 	}
 
 	*skb_addr = pci_map_single(sc->pdev,
-		skb->data, sc->rxbufsize, PCI_DMA_FROMDEVICE);
+				   skb->data, common->rx_bufsize,
+				   PCI_DMA_FROMDEVICE);
 	if (unlikely(pci_dma_mapping_error(sc->pdev, *skb_addr))) {
 		ATH5K_ERR(sc, "%s: DMA mapping failed\n", __func__);
 		dev_kfree_skb(skb);
@@ -1631,10 +1635,10 @@ ath5k_rx_start(struct ath5k_softc *sc)
 	struct ath5k_buf *bf;
 	int ret;
 
-	sc->rxbufsize = roundup(IEEE80211_MAX_LEN, common->cachelsz);
+	common->rx_bufsize = roundup(IEEE80211_MAX_LEN, common->cachelsz);
 
-	ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "cachelsz %u rxbufsize %u\n",
-		common->cachelsz, sc->rxbufsize);
+	ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "cachelsz %u rx_bufsize %u\n",
+		  common->cachelsz, common->rx_bufsize);
 
 	spin_lock_bh(&sc->rxbuflock);
 	sc->rxlink = NULL;
@@ -1769,6 +1773,8 @@ ath5k_tasklet_rx(unsigned long data)
 	struct sk_buff *skb, *next_skb;
 	dma_addr_t next_skb_addr;
 	struct ath5k_softc *sc = (void *)data;
+	struct ath5k_hw *ah = sc->ah;
+	struct ath_common *common = ath5k_hw_common(ah);
 	struct ath5k_buf *bf;
 	struct ath5k_desc *ds;
 	int ret;
@@ -1846,7 +1852,7 @@ accept:
 		if (!next_skb)
 			goto next;
 
-		pci_unmap_single(sc->pdev, bf->skbaddr, sc->rxbufsize,
+		pci_unmap_single(sc->pdev, bf->skbaddr, common->rx_bufsize,
 				PCI_DMA_FROMDEVICE);
 		skb_put(skb, rs.rs_datalen);
 
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 24f61fdb1c2..377b0eac5e4 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -323,7 +323,6 @@ struct ath_rx {
 	u8 defant;
 	u8 rxotherant;
 	u32 *rxlink;
-	int bufsize;
 	unsigned int rxfilter;
 	spinlock_t rxflushlock;
 	spinlock_t rxbuflock;
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 4420a5800bd..48ff77255d2 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -48,6 +48,7 @@ static struct ieee80211_hw * ath_get_virt_hw(struct ath_softc *sc,
 static void ath_rx_buf_link(struct ath_softc *sc, struct ath_buf *bf)
 {
 	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath_desc *ds;
 	struct sk_buff *skb;
 
@@ -62,11 +63,13 @@ static void ath_rx_buf_link(struct ath_softc *sc, struct ath_buf *bf)
 	BUG_ON(skb == NULL);
 	ds->ds_vdata = skb->data;
 
-	/* setup rx descriptors. The rx.bufsize here tells the harware
+	/*
+	 * setup rx descriptors. The rx_bufsize here tells the hardware
 	 * how much data it can DMA to us and that we are prepared
-	 * to process */
+	 * to process
+	 */
 	ath9k_hw_setuprxdesc(ah, ds,
-			     sc->rx.bufsize,
+			     common->rx_bufsize,
 			     0);
 
 	if (sc->rx.rxlink == NULL)
@@ -344,11 +347,11 @@ int ath_rx_init(struct ath_softc *sc, int nbufs)
 	sc->sc_flags &= ~SC_OP_RXFLUSH;
 	spin_lock_init(&sc->rx.rxbuflock);
 
-	sc->rx.bufsize = roundup(IEEE80211_MAX_MPDU_LEN,
-				 min(common->cachelsz, (u16)64));
+	common->rx_bufsize = roundup(IEEE80211_MAX_MPDU_LEN,
+				     min(common->cachelsz, (u16)64));
 
 	ath_print(common, ATH_DBG_CONFIG, "cachelsz %u rxbufsize %u\n",
-		  common->cachelsz, sc->rx.bufsize);
+		  common->cachelsz, common->rx_bufsize);
 
 	/* Initialize rx descriptors */
 
@@ -361,7 +364,7 @@ int ath_rx_init(struct ath_softc *sc, int nbufs)
 	}
 
 	list_for_each_entry(bf, &sc->rx.rxbuf, list) {
-		skb = ath_rxbuf_alloc(common, sc->rx.bufsize, GFP_KERNEL);
+		skb = ath_rxbuf_alloc(common, common->rx_bufsize, GFP_KERNEL);
 		if (skb == NULL) {
 			error = -ENOMEM;
 			goto err;
@@ -369,7 +372,7 @@ int ath_rx_init(struct ath_softc *sc, int nbufs)
 
 		bf->bf_mpdu = skb;
 		bf->bf_buf_addr = dma_map_single(sc->dev, skb->data,
-						 sc->rx.bufsize,
+						 common->rx_bufsize,
 						 DMA_FROM_DEVICE);
 		if (unlikely(dma_mapping_error(sc->dev,
 					       bf->bf_buf_addr))) {
@@ -393,6 +396,8 @@ err:
 
 void ath_rx_cleanup(struct ath_softc *sc)
 {
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
 	struct sk_buff *skb;
 	struct ath_buf *bf;
 
@@ -400,7 +405,7 @@ void ath_rx_cleanup(struct ath_softc *sc)
 		skb = bf->bf_mpdu;
 		if (skb) {
 			dma_unmap_single(sc->dev, bf->bf_buf_addr,
-					 sc->rx.bufsize, DMA_FROM_DEVICE);
+					 common->rx_bufsize, DMA_FROM_DEVICE);
 			dev_kfree_skb(skb);
 		}
 	}
@@ -780,7 +785,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 		 * 2. requeueing the same buffer to h/w
 		 */
 		dma_sync_single_for_cpu(sc->dev, bf->bf_buf_addr,
-				sc->rx.bufsize,
+				common->rx_bufsize,
 				DMA_FROM_DEVICE);
 
 		hdr = (struct ieee80211_hdr *) skb->data;
@@ -797,7 +802,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 			goto requeue;
 
 		/* The status portion of the descriptor could get corrupted. */
-		if (sc->rx.bufsize < rx_stats->rs_datalen)
+		if (common->rx_bufsize < rx_stats->rs_datalen)
 			goto requeue;
 
 		if (!ath_rx_prepare(common, hw, skb, rx_stats,
@@ -806,7 +811,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 
 		/* Ensure we always have an skb to requeue once we are done
 		 * processing the current buffer's skb */
-		requeue_skb = ath_rxbuf_alloc(common, sc->rx.bufsize, GFP_ATOMIC);
+		requeue_skb = ath_rxbuf_alloc(common, common->rx_bufsize, GFP_ATOMIC);
 
 		/* If there is no memory we ignore the current RX'd frame,
 		 * tell hardware it can give us a new frame using the old
@@ -817,7 +822,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 
 		/* Unmap the frame */
 		dma_unmap_single(sc->dev, bf->bf_buf_addr,
-				 sc->rx.bufsize,
+				 common->rx_bufsize,
 				 DMA_FROM_DEVICE);
 
 		skb_put(skb, rx_stats->rs_datalen);
@@ -860,8 +865,8 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 		/* We will now give hardware our shiny new allocated skb */
 		bf->bf_mpdu = requeue_skb;
 		bf->bf_buf_addr = dma_map_single(sc->dev, requeue_skb->data,
-					 sc->rx.bufsize,
-					 DMA_FROM_DEVICE);
+						 common->rx_bufsize,
+						 DMA_FROM_DEVICE);
 		if (unlikely(dma_mapping_error(sc->dev,
 			  bf->bf_buf_addr))) {
 			dev_kfree_skb_any(requeue_skb);
-- 
GitLab


From dd849782a7388e091e356373a744f8b7ae97188a Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 4 Nov 2009 09:44:50 -0800
Subject: [PATCH 1151/1815] ath5k: remove double cache alignment,
 ath_rxbuf_alloc() already does it

ath5k is using the (csz - 1) twice as ath_rxbuf_alloc() already allocates
and moves skb->data accordingly. Remove the extra (csz -1).

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath5k/base.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index f1a7c77c0f8..4cefd9e85dd 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -1184,12 +1184,12 @@ struct sk_buff *ath5k_rx_skb_alloc(struct ath5k_softc *sc, dma_addr_t *skb_addr)
 	 * fake physical layer header at the start.
 	 */
 	skb = ath_rxbuf_alloc(common,
-			      common->rx_bufsize + common->cachelsz - 1,
+			      common->rx_bufsize,
 			      GFP_ATOMIC);
 
 	if (!skb) {
 		ATH5K_ERR(sc, "can't alloc skbuff of size %u\n",
-				common->rx_bufsize + common->cachelsz - 1);
+				common->rx_bufsize);
 		return NULL;
 	}
 
-- 
GitLab


From 2c74aa4d73dbed2e879e7eb5ee9de95d40e5298d Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 4 Nov 2009 15:11:05 -0800
Subject: [PATCH 1152/1815] ath9k: move the max rx buffer size check to
 ath9k_rx_accept()

While at it flip the order, seems easier to read and also
add some better description as to why we do this check.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/recv.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 48ff77255d2..16ed9292c80 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -105,6 +105,13 @@ static bool ath9k_rx_accept(struct ath_common *common,
 
 	if (!rx_stats->rs_datalen)
 		return false;
+        /*
+         * rs_status follows rs_datalen so if rs_datalen is too large
+         * we can take a hint that hardware corrupted it, so ignore
+         * those frames.
+         */
+	if (rx_stats->rs_datalen > common->rx_bufsize)
+		return false;
 
 	if (rx_stats->rs_more) {
 		/*
@@ -801,10 +808,6 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 		if (flush)
 			goto requeue;
 
-		/* The status portion of the descriptor could get corrupted. */
-		if (common->rx_bufsize < rx_stats->rs_datalen)
-			goto requeue;
-
 		if (!ath_rx_prepare(common, hw, skb, rx_stats,
 				    rxs, &decrypt_error))
 			goto requeue;
-- 
GitLab


From 1e875e9f16e3138d0e23cbf806a6d9520b622db2 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 4 Nov 2009 16:34:33 -0800
Subject: [PATCH 1153/1815] ath9k: rename ath_rx_prepare() to
 ath9k_rx_skb_preprocess()

And change the return value to something more obvious.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/recv.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 16ed9292c80..c4a8663af3f 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -288,16 +288,17 @@ static void ath9k_process_rssi(struct ath_common *common,
  * up the frame up to let mac80211 handle the actual error case, be it no
  * decryption key or real decryption error. This let us keep statistics there.
  */
-static int ath_rx_prepare(struct ath_common *common,
-			  struct ieee80211_hw *hw,
-			  struct sk_buff *skb, struct ath_rx_status *rx_stats,
-			  struct ieee80211_rx_status *rx_status,
-			  bool *decrypt_error)
+static int ath9k_rx_skb_preprocess(struct ath_common *common,
+				   struct ieee80211_hw *hw,
+				   struct sk_buff *skb,
+				   struct ath_rx_status *rx_stats,
+				   struct ieee80211_rx_status *rx_status,
+				   bool *decrypt_error)
 {
 	struct ath_hw *ah = common->ah;
 
 	if (!ath9k_rx_accept(common, skb, rx_status, rx_stats, decrypt_error))
-		goto rx_next;
+		return -EINVAL;
 
 	ath9k_process_rssi(common, hw, skb, rx_stats);
 
@@ -312,8 +313,6 @@ static int ath_rx_prepare(struct ath_common *common,
 	rx_status->qual = ath9k_compute_qual(hw, rx_stats);
 	rx_status->flag |= RX_FLAG_TSFT;
 
-	return 1;
-rx_next:
 	return 0;
 }
 
@@ -808,8 +807,9 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 		if (flush)
 			goto requeue;
 
-		if (!ath_rx_prepare(common, hw, skb, rx_stats,
-				    rxs, &decrypt_error))
+		retval = ath9k_rx_skb_preprocess(common, hw, skb, rx_stats,
+						 rxs, &decrypt_error);
+		if (retval)
 			goto requeue;
 
 		/* Ensure we always have an skb to requeue once we are done
-- 
GitLab


From 7e86c1048a9f5f1e157daf28411f3526f0b9f7b6 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 4 Nov 2009 17:21:01 -0800
Subject: [PATCH 1154/1815] ath9k: move driver keymap, keymax and splitmic to
 common

This will make sharing code easier between ath9k and ath9k_htc.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath.h         |  14 +++
 drivers/net/wireless/ath/ath9k/ath9k.h |  13 ---
 drivers/net/wireless/ath/ath9k/main.c  | 136 +++++++++++++------------
 drivers/net/wireless/ath/ath9k/recv.c  |   2 +-
 4 files changed, 85 insertions(+), 80 deletions(-)

diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h
index 4af13628baf..9e05648356f 100644
--- a/drivers/net/wireless/ath/ath.h
+++ b/drivers/net/wireless/ath/ath.h
@@ -21,6 +21,16 @@
 #include <linux/if_ether.h>
 #include <net/mac80211.h>
 
+/*
+ * The key cache is used for h/w cipher state and also for
+ * tracking station state such as the current tx antenna.
+ * We also setup a mapping table between key cache slot indices
+ * and station state to short-circuit node lookups on rx.
+ * Different parts have different size key caches.  We handle
+ * up to ATH_KEYMAX entries (could dynamically allocate state).
+ */
+#define	ATH_KEYMAX	        128     /* max key cache size we handle */
+
 static const u8 ath_bcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 
 struct ath_ani {
@@ -89,6 +99,10 @@ struct ath_common {
 
 	u32 rx_bufsize;
 
+	u32 keymax;
+	DECLARE_BITMAP(keymap, ATH_KEYMAX);
+	u8 splitmic;
+
 	struct ath_regulatory regulatory;
 	const struct ath_ops *ops;
 	const struct ath_bus_ops *bus_ops;
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 377b0eac5e4..88969cbae13 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -492,16 +492,6 @@ struct ath_led {
 #define ATH_CHAN_MAX            255
 #define IEEE80211_WEP_NKID      4       /* number of key ids */
 
-/*
- * The key cache is used for h/w cipher state and also for
- * tracking station state such as the current tx antenna.
- * We also setup a mapping table between key cache slot indices
- * and station state to short-circuit node lookups on rx.
- * Different parts have different size key caches.  We handle
- * up to ATH_KEYMAX entries (could dynamically allocate state).
- */
-#define	ATH_KEYMAX	        128     /* max key cache size we handle */
-
 #define ATH_TXPOWER_MAX         100     /* .5 dBm units */
 #define ATH_RSSI_DUMMY_MARKER   0x127
 #define ATH_RATE_DUMMY_MARKER   0
@@ -562,9 +552,6 @@ struct ath_softc {
 	u16 curtxpow;
 	u8 nbcnvifs;
 	u16 nvifs;
-	u32 keymax;
-	DECLARE_BITMAP(keymap, ATH_KEYMAX);
-	u8 splitmic;
 	bool ps_enabled;
 	unsigned long ps_usecount;
 	enum ath9k_int imask;
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 01ac8974eb0..3c02b977a61 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -733,10 +733,11 @@ static u32 ath_get_extchanmode(struct ath_softc *sc,
 	return chanmode;
 }
 
-static int ath_setkey_tkip(struct ath_softc *sc, u16 keyix, const u8 *key,
+static int ath_setkey_tkip(struct ath_common *common, u16 keyix, const u8 *key,
 			   struct ath9k_keyval *hk, const u8 *addr,
 			   bool authenticator)
 {
+	struct ath_hw *ah = common->ah;
 	const u8 *key_rxmic;
 	const u8 *key_txmic;
 
@@ -756,42 +757,42 @@ static int ath_setkey_tkip(struct ath_softc *sc, u16 keyix, const u8 *key,
 			memcpy(hk->kv_mic, key_rxmic, sizeof(hk->kv_mic));
 			memcpy(hk->kv_txmic, key_rxmic, sizeof(hk->kv_mic));
 		}
-		return ath9k_hw_set_keycache_entry(sc->sc_ah, keyix, hk, addr);
+		return ath9k_hw_set_keycache_entry(ah, keyix, hk, addr);
 	}
-	if (!sc->splitmic) {
+	if (!common->splitmic) {
 		/* TX and RX keys share the same key cache entry. */
 		memcpy(hk->kv_mic, key_rxmic, sizeof(hk->kv_mic));
 		memcpy(hk->kv_txmic, key_txmic, sizeof(hk->kv_txmic));
-		return ath9k_hw_set_keycache_entry(sc->sc_ah, keyix, hk, addr);
+		return ath9k_hw_set_keycache_entry(ah, keyix, hk, addr);
 	}
 
 	/* Separate key cache entries for TX and RX */
 
 	/* TX key goes at first index, RX key at +32. */
 	memcpy(hk->kv_mic, key_txmic, sizeof(hk->kv_mic));
-	if (!ath9k_hw_set_keycache_entry(sc->sc_ah, keyix, hk, NULL)) {
+	if (!ath9k_hw_set_keycache_entry(ah, keyix, hk, NULL)) {
 		/* TX MIC entry failed. No need to proceed further */
-		ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
+		ath_print(common, ATH_DBG_FATAL,
 			  "Setting TX MIC Key Failed\n");
 		return 0;
 	}
 
 	memcpy(hk->kv_mic, key_rxmic, sizeof(hk->kv_mic));
 	/* XXX delete tx key on failure? */
-	return ath9k_hw_set_keycache_entry(sc->sc_ah, keyix + 32, hk, addr);
+	return ath9k_hw_set_keycache_entry(ah, keyix + 32, hk, addr);
 }
 
-static int ath_reserve_key_cache_slot_tkip(struct ath_softc *sc)
+static int ath_reserve_key_cache_slot_tkip(struct ath_common *common)
 {
 	int i;
 
-	for (i = IEEE80211_WEP_NKID; i < sc->keymax / 2; i++) {
-		if (test_bit(i, sc->keymap) ||
-		    test_bit(i + 64, sc->keymap))
+	for (i = IEEE80211_WEP_NKID; i < common->keymax / 2; i++) {
+		if (test_bit(i, common->keymap) ||
+		    test_bit(i + 64, common->keymap))
 			continue; /* At least one part of TKIP key allocated */
-		if (sc->splitmic &&
-		    (test_bit(i + 32, sc->keymap) ||
-		     test_bit(i + 64 + 32, sc->keymap)))
+		if (common->splitmic &&
+		    (test_bit(i + 32, common->keymap) ||
+		     test_bit(i + 64 + 32, common->keymap)))
 			continue; /* At least one part of TKIP key allocated */
 
 		/* Found a free slot for a TKIP key */
@@ -800,60 +801,60 @@ static int ath_reserve_key_cache_slot_tkip(struct ath_softc *sc)
 	return -1;
 }
 
-static int ath_reserve_key_cache_slot(struct ath_softc *sc)
+static int ath_reserve_key_cache_slot(struct ath_common *common)
 {
 	int i;
 
 	/* First, try to find slots that would not be available for TKIP. */
-	if (sc->splitmic) {
-		for (i = IEEE80211_WEP_NKID; i < sc->keymax / 4; i++) {
-			if (!test_bit(i, sc->keymap) &&
-			    (test_bit(i + 32, sc->keymap) ||
-			     test_bit(i + 64, sc->keymap) ||
-			     test_bit(i + 64 + 32, sc->keymap)))
+	if (common->splitmic) {
+		for (i = IEEE80211_WEP_NKID; i < common->keymax / 4; i++) {
+			if (!test_bit(i, common->keymap) &&
+			    (test_bit(i + 32, common->keymap) ||
+			     test_bit(i + 64, common->keymap) ||
+			     test_bit(i + 64 + 32, common->keymap)))
 				return i;
-			if (!test_bit(i + 32, sc->keymap) &&
-			    (test_bit(i, sc->keymap) ||
-			     test_bit(i + 64, sc->keymap) ||
-			     test_bit(i + 64 + 32, sc->keymap)))
+			if (!test_bit(i + 32, common->keymap) &&
+			    (test_bit(i, common->keymap) ||
+			     test_bit(i + 64, common->keymap) ||
+			     test_bit(i + 64 + 32, common->keymap)))
 				return i + 32;
-			if (!test_bit(i + 64, sc->keymap) &&
-			    (test_bit(i , sc->keymap) ||
-			     test_bit(i + 32, sc->keymap) ||
-			     test_bit(i + 64 + 32, sc->keymap)))
+			if (!test_bit(i + 64, common->keymap) &&
+			    (test_bit(i , common->keymap) ||
+			     test_bit(i + 32, common->keymap) ||
+			     test_bit(i + 64 + 32, common->keymap)))
 				return i + 64;
-			if (!test_bit(i + 64 + 32, sc->keymap) &&
-			    (test_bit(i, sc->keymap) ||
-			     test_bit(i + 32, sc->keymap) ||
-			     test_bit(i + 64, sc->keymap)))
+			if (!test_bit(i + 64 + 32, common->keymap) &&
+			    (test_bit(i, common->keymap) ||
+			     test_bit(i + 32, common->keymap) ||
+			     test_bit(i + 64, common->keymap)))
 				return i + 64 + 32;
 		}
 	} else {
-		for (i = IEEE80211_WEP_NKID; i < sc->keymax / 2; i++) {
-			if (!test_bit(i, sc->keymap) &&
-			    test_bit(i + 64, sc->keymap))
+		for (i = IEEE80211_WEP_NKID; i < common->keymax / 2; i++) {
+			if (!test_bit(i, common->keymap) &&
+			    test_bit(i + 64, common->keymap))
 				return i;
-			if (test_bit(i, sc->keymap) &&
-			    !test_bit(i + 64, sc->keymap))
+			if (test_bit(i, common->keymap) &&
+			    !test_bit(i + 64, common->keymap))
 				return i + 64;
 		}
 	}
 
 	/* No partially used TKIP slots, pick any available slot */
-	for (i = IEEE80211_WEP_NKID; i < sc->keymax; i++) {
+	for (i = IEEE80211_WEP_NKID; i < common->keymax; i++) {
 		/* Do not allow slots that could be needed for TKIP group keys
 		 * to be used. This limitation could be removed if we know that
 		 * TKIP will not be used. */
 		if (i >= 64 && i < 64 + IEEE80211_WEP_NKID)
 			continue;
-		if (sc->splitmic) {
+		if (common->splitmic) {
 			if (i >= 32 && i < 32 + IEEE80211_WEP_NKID)
 				continue;
 			if (i >= 64 + 32 && i < 64 + 32 + IEEE80211_WEP_NKID)
 				continue;
 		}
 
-		if (!test_bit(i, sc->keymap))
+		if (!test_bit(i, common->keymap))
 			return i; /* Found a free slot for a key */
 	}
 
@@ -861,11 +862,12 @@ static int ath_reserve_key_cache_slot(struct ath_softc *sc)
 	return -1;
 }
 
-static int ath_key_config(struct ath_softc *sc,
+static int ath_key_config(struct ath_common *common,
 			  struct ieee80211_vif *vif,
 			  struct ieee80211_sta *sta,
 			  struct ieee80211_key_conf *key)
 {
+	struct ath_hw *ah = common->ah;
 	struct ath9k_keyval hk;
 	const u8 *mac = NULL;
 	int ret = 0;
@@ -911,48 +913,50 @@ static int ath_key_config(struct ath_softc *sc,
 		mac = sta->addr;
 
 		if (key->alg == ALG_TKIP)
-			idx = ath_reserve_key_cache_slot_tkip(sc);
+			idx = ath_reserve_key_cache_slot_tkip(common);
 		else
-			idx = ath_reserve_key_cache_slot(sc);
+			idx = ath_reserve_key_cache_slot(common);
 		if (idx < 0)
 			return -ENOSPC; /* no free key cache entries */
 	}
 
 	if (key->alg == ALG_TKIP)
-		ret = ath_setkey_tkip(sc, idx, key->key, &hk, mac,
+		ret = ath_setkey_tkip(common, idx, key->key, &hk, mac,
 				      vif->type == NL80211_IFTYPE_AP);
 	else
-		ret = ath9k_hw_set_keycache_entry(sc->sc_ah, idx, &hk, mac);
+		ret = ath9k_hw_set_keycache_entry(ah, idx, &hk, mac);
 
 	if (!ret)
 		return -EIO;
 
-	set_bit(idx, sc->keymap);
+	set_bit(idx, common->keymap);
 	if (key->alg == ALG_TKIP) {
-		set_bit(idx + 64, sc->keymap);
-		if (sc->splitmic) {
-			set_bit(idx + 32, sc->keymap);
-			set_bit(idx + 64 + 32, sc->keymap);
+		set_bit(idx + 64, common->keymap);
+		if (common->splitmic) {
+			set_bit(idx + 32, common->keymap);
+			set_bit(idx + 64 + 32, common->keymap);
 		}
 	}
 
 	return idx;
 }
 
-static void ath_key_delete(struct ath_softc *sc, struct ieee80211_key_conf *key)
+static void ath_key_delete(struct ath_common *common, struct ieee80211_key_conf *key)
 {
-	ath9k_hw_keyreset(sc->sc_ah, key->hw_key_idx);
+	struct ath_hw *ah = common->ah;
+
+	ath9k_hw_keyreset(ah, key->hw_key_idx);
 	if (key->hw_key_idx < IEEE80211_WEP_NKID)
 		return;
 
-	clear_bit(key->hw_key_idx, sc->keymap);
+	clear_bit(key->hw_key_idx, common->keymap);
 	if (key->alg != ALG_TKIP)
 		return;
 
-	clear_bit(key->hw_key_idx + 64, sc->keymap);
-	if (sc->splitmic) {
-		clear_bit(key->hw_key_idx + 32, sc->keymap);
-		clear_bit(key->hw_key_idx + 64 + 32, sc->keymap);
+	clear_bit(key->hw_key_idx + 64, common->keymap);
+	if (common->splitmic) {
+		clear_bit(key->hw_key_idx + 32, common->keymap);
+		clear_bit(key->hw_key_idx + 64 + 32, common->keymap);
 	}
 }
 
@@ -1679,19 +1683,19 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
 	}
 
 	/* Get the hardware key cache size. */
-	sc->keymax = ah->caps.keycache_size;
-	if (sc->keymax > ATH_KEYMAX) {
+	common->keymax = ah->caps.keycache_size;
+	if (common->keymax > ATH_KEYMAX) {
 		ath_print(common, ATH_DBG_ANY,
 			  "Warning, using only %u entries in %u key cache\n",
-			  ATH_KEYMAX, sc->keymax);
-		sc->keymax = ATH_KEYMAX;
+			  ATH_KEYMAX, common->keymax);
+		common->keymax = ATH_KEYMAX;
 	}
 
 	/*
 	 * Reset the key cache since some parts do not
 	 * reset the contents on initial power up.
 	 */
-	for (i = 0; i < sc->keymax; i++)
+	for (i = 0; i < common->keymax; i++)
 		ath9k_hw_keyreset(ah, (u16) i);
 
 	/* default to MONITOR mode */
@@ -1788,7 +1792,7 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
 				      ATH9K_CIPHER_MIC, NULL)
 	    && ath9k_hw_getcapability(ah, ATH9K_CAP_TKIP_SPLIT,
 				      0, NULL))
-		sc->splitmic = 1;
+		common->splitmic = 1;
 
 	/* turn on mcast key search if possible */
 	if (!ath9k_hw_getcapability(ah, ATH9K_CAP_MCAST_KEYSRCH, 0, NULL))
@@ -2917,7 +2921,7 @@ static int ath9k_set_key(struct ieee80211_hw *hw,
 
 	switch (cmd) {
 	case SET_KEY:
-		ret = ath_key_config(sc, vif, sta, key);
+		ret = ath_key_config(common, vif, sta, key);
 		if (ret >= 0) {
 			key->hw_key_idx = ret;
 			/* push IV and Michael MIC generation to stack */
@@ -2930,7 +2934,7 @@ static int ath9k_set_key(struct ieee80211_hw *hw,
 		}
 		break;
 	case DISABLE_KEY:
-		ath_key_delete(sc, key);
+		ath_key_delete(common, key);
 		break;
 	default:
 		ret = -EINVAL;
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index c4a8663af3f..3abefb580a4 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -856,7 +856,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 			   && !decrypt_error && skb->len >= hdrlen + 4) {
 			keyix = skb->data[hdrlen + 3] >> 6;
 
-			if (test_bit(keyix, sc->keymap))
+			if (test_bit(keyix, common->keymap))
 				rxs->flag |= RX_FLAG_DECRYPTED;
 		}
 		if (ah->sw_mgmt_crypto &&
-- 
GitLab


From dc1e001bf498a19dcb46676d933cd0e92dc53ef3 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 4 Nov 2009 17:47:31 -0800
Subject: [PATCH 1155/1815] ath5k: use the common->keymap

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath5k/base.c | 10 +++++++---
 drivers/net/wireless/ath/ath5k/base.h |  2 --
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index 4cefd9e85dd..a4c086f069b 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -1683,6 +1683,8 @@ static unsigned int
 ath5k_rx_decrypted(struct ath5k_softc *sc, struct ath5k_desc *ds,
 		struct sk_buff *skb, struct ath5k_rx_status *rs)
 {
+	struct ath5k_hw *ah = sc->ah;
+	struct ath_common *common = ath5k_hw_common(ah);
 	struct ieee80211_hdr *hdr = (void *)skb->data;
 	unsigned int keyix, hlen;
 
@@ -1699,7 +1701,7 @@ ath5k_rx_decrypted(struct ath5k_softc *sc, struct ath5k_desc *ds,
 	    skb->len >= hlen + 4) {
 		keyix = skb->data[hlen + 3] >> 6;
 
-		if (test_bit(keyix, sc->keymap))
+		if (test_bit(keyix, common->keymap))
 			return RX_FLAG_DECRYPTED;
 	}
 
@@ -3038,6 +3040,8 @@ ath5k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 	      struct ieee80211_key_conf *key)
 {
 	struct ath5k_softc *sc = hw->priv;
+	struct ath5k_hw *ah = sc->ah;
+	struct ath_common *common = ath5k_hw_common(ah);
 	int ret = 0;
 
 	if (modparam_nohwcrypt)
@@ -3070,14 +3074,14 @@ ath5k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 			ATH5K_ERR(sc, "can't set the key\n");
 			goto unlock;
 		}
-		__set_bit(key->keyidx, sc->keymap);
+		__set_bit(key->keyidx, common->keymap);
 		key->hw_key_idx = key->keyidx;
 		key->flags |= (IEEE80211_KEY_FLAG_GENERATE_IV |
 			       IEEE80211_KEY_FLAG_GENERATE_MMIC);
 		break;
 	case DISABLE_KEY:
 		ath5k_hw_reset_key(sc->ah, key->keyidx);
-		__clear_bit(key->keyidx, sc->keymap);
+		__clear_bit(key->keyidx, common->keymap);
 		break;
 	default:
 		ret = -EINVAL;
diff --git a/drivers/net/wireless/ath/ath5k/base.h b/drivers/net/wireless/ath/ath5k/base.h
index b14ba07e915..b72338c9bde 100644
--- a/drivers/net/wireless/ath/ath5k/base.h
+++ b/drivers/net/wireless/ath/ath5k/base.h
@@ -153,8 +153,6 @@ struct ath5k_softc {
 
 	enum ath5k_int		imask;		/* interrupt mask copy */
 
-	DECLARE_BITMAP(keymap, AR5K_KEYCACHE_SIZE); /* key use bit map */
-
 	u8			bssidmask[ETH_ALEN];
 
 	unsigned int		led_pin,	/* GPIO pin for driving LED */
-- 
GitLab


From c9b1417055cd2518e8a3b4b27e1f8e4b72821dff Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Wed, 4 Nov 2009 16:47:22 -0800
Subject: [PATCH 1156/1815] ath9k: move RX skb post processing to a helper

Use a helper for the RX skb post processing,
ath9k_rx_skb_postprocess().

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/recv.c | 89 ++++++++++++++++-----------
 1 file changed, 52 insertions(+), 37 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 3abefb580a4..8b7489d61d3 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -316,6 +316,55 @@ static int ath9k_rx_skb_preprocess(struct ath_common *common,
 	return 0;
 }
 
+static void ath9k_rx_skb_postprocess(struct ath_common *common,
+				     struct sk_buff *skb,
+				     struct ath_rx_status *rx_stats,
+				     struct ieee80211_rx_status *rxs,
+				     bool decrypt_error)
+{
+	struct ath_hw *ah = common->ah;
+	struct ieee80211_hdr *hdr;
+	int hdrlen, padsize;
+	u8 keyix;
+	__le16 fc;
+
+	/* see if any padding is done by the hw and remove it */
+	hdr = (struct ieee80211_hdr *) skb->data;
+	hdrlen = ieee80211_get_hdrlen_from_skb(skb);
+	fc = hdr->frame_control;
+
+	/* The MAC header is padded to have 32-bit boundary if the
+	 * packet payload is non-zero. The general calculation for
+	 * padsize would take into account odd header lengths:
+	 * padsize = (4 - hdrlen % 4) % 4; However, since only
+	 * even-length headers are used, padding can only be 0 or 2
+	 * bytes and we can optimize this a bit. In addition, we must
+	 * not try to remove padding from short control frames that do
+	 * not have payload. */
+	padsize = hdrlen & 3;
+	if (padsize && hdrlen >= 24) {
+		memmove(skb->data + padsize, skb->data, hdrlen);
+		skb_pull(skb, padsize);
+	}
+
+	keyix = rx_stats->rs_keyix;
+
+	if (!(keyix == ATH9K_RXKEYIX_INVALID) && !decrypt_error) {
+		rxs->flag |= RX_FLAG_DECRYPTED;
+	} else if (ieee80211_has_protected(fc)
+		   && !decrypt_error && skb->len >= hdrlen + 4) {
+		keyix = skb->data[hdrlen + 3] >> 6;
+
+		if (test_bit(keyix, common->keymap))
+			rxs->flag |= RX_FLAG_DECRYPTED;
+	}
+	if (ah->sw_mgmt_crypto &&
+	    (rxs->flag & RX_FLAG_DECRYPTED) &&
+	    ieee80211_is_mgmt(fc))
+		/* Use software decrypt for management frames. */
+		rxs->flag &= ~RX_FLAG_DECRYPTED;
+}
+
 static void ath_opmode_init(struct ath_softc *sc)
 {
 	struct ath_hw *ah = sc->sc_ah;
@@ -716,10 +765,8 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 	 */
 	struct ieee80211_hw *hw = NULL;
 	struct ieee80211_hdr *hdr;
-	int hdrlen, padsize, retval;
+	int retval;
 	bool decrypt_error = false;
-	u8 keyix;
-	__le16 fc;
 
 	spin_lock_bh(&sc->rx.rxbuflock);
 
@@ -830,40 +877,8 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 
 		skb_put(skb, rx_stats->rs_datalen);
 
-		/* see if any padding is done by the hw and remove it */
-		hdrlen = ieee80211_get_hdrlen_from_skb(skb);
-		fc = hdr->frame_control;
-
-		/* The MAC header is padded to have 32-bit boundary if the
-		 * packet payload is non-zero. The general calculation for
-		 * padsize would take into account odd header lengths:
-		 * padsize = (4 - hdrlen % 4) % 4; However, since only
-		 * even-length headers are used, padding can only be 0 or 2
-		 * bytes and we can optimize this a bit. In addition, we must
-		 * not try to remove padding from short control frames that do
-		 * not have payload. */
-		padsize = hdrlen & 3;
-		if (padsize && hdrlen >= 24) {
-			memmove(skb->data + padsize, skb->data, hdrlen);
-			skb_pull(skb, padsize);
-		}
-
-		keyix = rx_stats->rs_keyix;
-
-		if (!(keyix == ATH9K_RXKEYIX_INVALID) && !decrypt_error) {
-			rxs->flag |= RX_FLAG_DECRYPTED;
-		} else if (ieee80211_has_protected(fc)
-			   && !decrypt_error && skb->len >= hdrlen + 4) {
-			keyix = skb->data[hdrlen + 3] >> 6;
-
-			if (test_bit(keyix, common->keymap))
-				rxs->flag |= RX_FLAG_DECRYPTED;
-		}
-		if (ah->sw_mgmt_crypto &&
-		    (rxs->flag & RX_FLAG_DECRYPTED) &&
-		    ieee80211_is_mgmt(fc))
-			/* Use software decrypt for management frames. */
-			rxs->flag &= ~RX_FLAG_DECRYPTED;
+		ath9k_rx_skb_postprocess(common, skb, rx_stats,
+					 rxs, decrypt_error);
 
 		/* We will now give hardware our shiny new allocated skb */
 		bf->bf_mpdu = requeue_skb;
-- 
GitLab


From db86f07ec6cdea9670a0928bd1289109d2a989dc Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Thu, 5 Nov 2009 08:44:39 -0800
Subject: [PATCH 1157/1815] ath9k_common: add new module to share 802.11n
 driver helpers

ath9k and ath9k_htc share a lot of common hardware characteristics.
They only differ in that ath9k_htc works with a target CPU and ath9k
works directly with the hardware. ath9k_htc will do *some* things in
the firmware, but a lot of others on the host.

The common 802.11n hardware code is already shared through the ath9k_hw
module. Common helpers amongst all Atheros drivers can use the ath module,
this includes ath5k and ar9170 as users. But there is some common driver
specific helpers which are not exactly hardware code which ath9k and
ath9k_htc can share. We'll be using ath9k_common for this to avoid
bloating the ath module and the common 802.11n hardware module ath9k_hw.

We start by sharing skb pre and post processing in preparation for a hand
off to mac80211.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/Kconfig  |   3 +
 drivers/net/wireless/ath/ath9k/Makefile |   3 +
 drivers/net/wireless/ath/ath9k/ath9k.h  |  95 +------
 drivers/net/wireless/ath/ath9k/common.c | 326 ++++++++++++++++++++++++
 drivers/net/wireless/ath/ath9k/common.h | 123 +++++++++
 drivers/net/wireless/ath/ath9k/rc.h     |   2 +
 drivers/net/wireless/ath/ath9k/recv.c   | 284 +--------------------
 7 files changed, 467 insertions(+), 369 deletions(-)
 create mode 100644 drivers/net/wireless/ath/ath9k/common.c
 create mode 100644 drivers/net/wireless/ath/ath9k/common.h

diff --git a/drivers/net/wireless/ath/ath9k/Kconfig b/drivers/net/wireless/ath/ath9k/Kconfig
index b735fb399fb..006364f76bb 100644
--- a/drivers/net/wireless/ath/ath9k/Kconfig
+++ b/drivers/net/wireless/ath/ath9k/Kconfig
@@ -1,5 +1,7 @@
 config ATH9K_HW
 	tristate
+config ATH9K_COMMON
+	tristate
 
 config ATH9K
 	tristate "Atheros 802.11n wireless cards support"
@@ -8,6 +10,7 @@ config ATH9K
 	select MAC80211_LEDS
 	select LEDS_CLASS
 	select NEW_LEDS
+	select ATH9K_COMMON
 	---help---
 	  This module adds support for wireless adapters based on
 	  Atheros IEEE 802.11n AR5008, AR9001 and AR9002 family
diff --git a/drivers/net/wireless/ath/ath9k/Makefile b/drivers/net/wireless/ath/ath9k/Makefile
index 8caf2a8f895..e53f9680a38 100644
--- a/drivers/net/wireless/ath/ath9k/Makefile
+++ b/drivers/net/wireless/ath/ath9k/Makefile
@@ -23,3 +23,6 @@ ath9k_hw-y:=	hw.o \
 		mac.o \
 
 obj-$(CONFIG_ATH9K_HW) += ath9k_hw.o
+
+obj-$(CONFIG_ATH9K_COMMON) += ath9k_common.o
+ath9k_common-y:=	common.o
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 88969cbae13..d9bcc3abb42 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -19,14 +19,16 @@
 
 #include <linux/etherdevice.h>
 #include <linux/device.h>
-#include <net/mac80211.h>
 #include <linux/leds.h>
 
-#include "hw.h"
 #include "rc.h"
 #include "debug.h"
-#include "../ath.h"
-#include "../debug.h"
+#include "common.h"
+
+/*
+ * Header for the ath9k.ko driver core *only* -- hw code nor any other driver
+ * should rely on this file or its contents.
+ */
 
 struct ath_node;
 
@@ -99,18 +101,6 @@ enum buffer_type {
 	BUF_XRETRY		= BIT(5),
 };
 
-struct ath_buf_state {
-	int bfs_nframes;
-	u16 bfs_al;
-	u16 bfs_frmlen;
-	int bfs_seqno;
-	int bfs_tidno;
-	int bfs_retries;
-	u8 bf_type;
-	u32 bfs_keyix;
-	enum ath9k_key_type bfs_keytype;
-};
-
 #define bf_nframes      	bf_state.bfs_nframes
 #define bf_al           	bf_state.bfs_al
 #define bf_frmlen       	bf_state.bfs_frmlen
@@ -125,21 +115,6 @@ struct ath_buf_state {
 #define bf_isretried(bf)	(bf->bf_state.bf_type & BUF_RETRY)
 #define bf_isxretried(bf)	(bf->bf_state.bf_type & BUF_XRETRY)
 
-struct ath_buf {
-	struct list_head list;
-	struct ath_buf *bf_lastbf;	/* last buf of this unit (a frame or
-					   an aggregate) */
-	struct ath_buf *bf_next;	/* next subframe in the aggregate */
-	struct sk_buff *bf_mpdu;	/* enclosing frame structure */
-	struct ath_desc *bf_desc;	/* virtual addr of desc */
-	dma_addr_t bf_daddr;		/* physical addr of desc */
-	dma_addr_t bf_buf_addr;		/* physical addr of data buffer */
-	bool bf_stale;
-	u16 bf_flags;
-	struct ath_buf_state bf_state;
-	dma_addr_t bf_dmacontext;
-};
-
 struct ath_descdma {
 	struct ath_desc *dd_desc;
 	dma_addr_t dd_desc_paddr;
@@ -159,13 +134,9 @@ void ath_descdma_cleanup(struct ath_softc *sc, struct ath_descdma *dd,
 
 #define ATH_MAX_ANTENNA         3
 #define ATH_RXBUF               512
-#define WME_NUM_TID             16
 #define ATH_TXBUF               512
 #define ATH_TXMAXTRY            13
 #define ATH_MGT_TXMAXTRY        4
-#define WME_BA_BMP_SIZE         64
-#define WME_MAX_BA              WME_BA_BMP_SIZE
-#define ATH_TID_MAX_BUFS        (2 * WME_MAX_BA)
 
 #define TID_TO_WME_AC(_tid)				\
 	((((_tid) == 0) || ((_tid) == 3)) ? WME_AC_BE :	\
@@ -173,12 +144,6 @@ void ath_descdma_cleanup(struct ath_softc *sc, struct ath_descdma *dd,
 	 (((_tid) == 4) || ((_tid) == 5)) ? WME_AC_VI :	\
 	 WME_AC_VO)
 
-#define WME_AC_BE   0
-#define WME_AC_BK   1
-#define WME_AC_VI   2
-#define WME_AC_VO   3
-#define WME_NUM_AC  4
-
 #define ADDBA_EXCHANGE_ATTEMPTS    10
 #define ATH_AGGR_DELIM_SZ          4
 #define ATH_AGGR_MINPLEN           256 /* in bytes, minimum packet length */
@@ -252,30 +217,6 @@ struct ath_txq {
 #define AGGR_ADDBA_COMPLETE  BIT(2)
 #define AGGR_ADDBA_PROGRESS  BIT(3)
 
-struct ath_atx_tid {
-	struct list_head list;
-	struct list_head buf_q;
-	struct ath_node *an;
-	struct ath_atx_ac *ac;
-	struct ath_buf *tx_buf[ATH_TID_MAX_BUFS];
-	u16 seq_start;
-	u16 seq_next;
-	u16 baw_size;
-	int tidno;
-	int baw_head;	/* first un-acked tx buffer */
-	int baw_tail;	/* next unused tx buffer slot */
-	int sched;
-	int paused;
-	u8 state;
-};
-
-struct ath_atx_ac {
-	int sched;
-	int qnum;
-	struct list_head list;
-	struct list_head tid_q;
-};
-
 struct ath_tx_control {
 	struct ath_txq *txq;
 	int if_id;
@@ -286,29 +227,6 @@ struct ath_tx_control {
 #define ATH_TX_XRETRY       0x02
 #define ATH_TX_BAR          0x04
 
-#define ATH_RSSI_LPF_LEN 		10
-#define RSSI_LPF_THRESHOLD		-20
-#define ATH_RSSI_EP_MULTIPLIER     (1<<7)
-#define ATH_EP_MUL(x, mul)         ((x) * (mul))
-#define ATH_RSSI_IN(x)             (ATH_EP_MUL((x), ATH_RSSI_EP_MULTIPLIER))
-#define ATH_LPF_RSSI(x, y, len) \
-    ((x != ATH_RSSI_DUMMY_MARKER) ? (((x) * ((len) - 1) + (y)) / (len)) : (y))
-#define ATH_RSSI_LPF(x, y) do {                     			\
-    if ((y) >= RSSI_LPF_THRESHOLD)                         		\
-	x = ATH_LPF_RSSI((x), ATH_RSSI_IN((y)), ATH_RSSI_LPF_LEN);  	\
-} while (0)
-#define ATH_EP_RND(x, mul) 						\
-	((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))
-
-struct ath_node {
-	struct ath_softc *an_sc;
-	struct ath_atx_tid tid[WME_NUM_TID];
-	struct ath_atx_ac ac[WME_NUM_AC];
-	u16 maxampdu;
-	u8 mpdudensity;
-	int last_rssi;
-};
-
 struct ath_tx {
 	u16 seq_no;
 	u32 txqsetup;
@@ -493,7 +411,6 @@ struct ath_led {
 #define IEEE80211_WEP_NKID      4       /* number of key ids */
 
 #define ATH_TXPOWER_MAX         100     /* .5 dBm units */
-#define ATH_RSSI_DUMMY_MARKER   0x127
 #define ATH_RATE_DUMMY_MARKER   0
 
 #define SC_OP_INVALID           BIT(0)
diff --git a/drivers/net/wireless/ath/ath9k/common.c b/drivers/net/wireless/ath/ath9k/common.c
new file mode 100644
index 00000000000..5fb164e294d
--- /dev/null
+++ b/drivers/net/wireless/ath/ath9k/common.c
@@ -0,0 +1,326 @@
+/*
+ * Copyright (c) 2009 Atheros Communications Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * Module for common driver code between ath9k and ath9k_htc
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+
+#include "common.h"
+
+MODULE_AUTHOR("Atheros Communications");
+MODULE_DESCRIPTION("Shared library for Atheros wireless 802.11n LAN cards.");
+MODULE_LICENSE("Dual BSD/GPL");
+
+/* Common RX processing */
+
+/* Assumes you've already done the endian to CPU conversion */
+static bool ath9k_rx_accept(struct ath_common *common,
+			    struct sk_buff *skb,
+			    struct ieee80211_rx_status *rxs,
+			    struct ath_rx_status *rx_stats,
+			    bool *decrypt_error)
+{
+	struct ath_hw *ah = common->ah;
+	struct ieee80211_hdr *hdr;
+	__le16 fc;
+
+	hdr = (struct ieee80211_hdr *) skb->data;
+	fc = hdr->frame_control;
+
+	if (!rx_stats->rs_datalen)
+		return false;
+        /*
+         * rs_status follows rs_datalen so if rs_datalen is too large
+         * we can take a hint that hardware corrupted it, so ignore
+         * those frames.
+         */
+	if (rx_stats->rs_datalen > common->rx_bufsize)
+		return false;
+
+	if (rx_stats->rs_more) {
+		/*
+		 * Frame spans multiple descriptors; this cannot happen yet
+		 * as we don't support jumbograms. If not in monitor mode,
+		 * discard the frame. Enable this if you want to see
+		 * error frames in Monitor mode.
+		 */
+		if (ah->opmode != NL80211_IFTYPE_MONITOR)
+			return false;
+	} else if (rx_stats->rs_status != 0) {
+		if (rx_stats->rs_status & ATH9K_RXERR_CRC)
+			rxs->flag |= RX_FLAG_FAILED_FCS_CRC;
+		if (rx_stats->rs_status & ATH9K_RXERR_PHY)
+			return false;
+
+		if (rx_stats->rs_status & ATH9K_RXERR_DECRYPT) {
+			*decrypt_error = true;
+		} else if (rx_stats->rs_status & ATH9K_RXERR_MIC) {
+			if (ieee80211_is_ctl(fc))
+				/*
+				 * Sometimes, we get invalid
+				 * MIC failures on valid control frames.
+				 * Remove these mic errors.
+				 */
+				rx_stats->rs_status &= ~ATH9K_RXERR_MIC;
+			else
+				rxs->flag |= RX_FLAG_MMIC_ERROR;
+		}
+		/*
+		 * Reject error frames with the exception of
+		 * decryption and MIC failures. For monitor mode,
+		 * we also ignore the CRC error.
+		 */
+		if (ah->opmode == NL80211_IFTYPE_MONITOR) {
+			if (rx_stats->rs_status &
+			    ~(ATH9K_RXERR_DECRYPT | ATH9K_RXERR_MIC |
+			      ATH9K_RXERR_CRC))
+				return false;
+		} else {
+			if (rx_stats->rs_status &
+			    ~(ATH9K_RXERR_DECRYPT | ATH9K_RXERR_MIC)) {
+				return false;
+			}
+		}
+	}
+	return true;
+}
+
+static u8 ath9k_process_rate(struct ath_common *common,
+			     struct ieee80211_hw *hw,
+			     struct ath_rx_status *rx_stats,
+			     struct ieee80211_rx_status *rxs,
+			     struct sk_buff *skb)
+{
+	struct ieee80211_supported_band *sband;
+	enum ieee80211_band band;
+	unsigned int i = 0;
+
+	band = hw->conf.channel->band;
+	sband = hw->wiphy->bands[band];
+
+	if (rx_stats->rs_rate & 0x80) {
+		/* HT rate */
+		rxs->flag |= RX_FLAG_HT;
+		if (rx_stats->rs_flags & ATH9K_RX_2040)
+			rxs->flag |= RX_FLAG_40MHZ;
+		if (rx_stats->rs_flags & ATH9K_RX_GI)
+			rxs->flag |= RX_FLAG_SHORT_GI;
+		return rx_stats->rs_rate & 0x7f;
+	}
+
+	for (i = 0; i < sband->n_bitrates; i++) {
+		if (sband->bitrates[i].hw_value == rx_stats->rs_rate)
+			return i;
+		if (sband->bitrates[i].hw_value_short == rx_stats->rs_rate) {
+			rxs->flag |= RX_FLAG_SHORTPRE;
+			return i;
+		}
+	}
+
+	/* No valid hardware bitrate found -- we should not get here */
+	ath_print(common, ATH_DBG_XMIT, "unsupported hw bitrate detected "
+		  "0x%02x using 1 Mbit\n", rx_stats->rs_rate);
+	if ((common->debug_mask & ATH_DBG_XMIT))
+		print_hex_dump_bytes("", DUMP_PREFIX_NONE, skb->data, skb->len);
+
+        return 0;
+}
+
+/*
+ * Theory for reporting quality:
+ *
+ * At a hardware RSSI of 45 you will be able to use MCS 7  reliably.
+ * At a hardware RSSI of 45 you will be able to use MCS 15 reliably.
+ * At a hardware RSSI of 35 you should be able use 54 Mbps reliably.
+ *
+ * MCS 7  is the highets MCS index usable by a 1-stream device.
+ * MCS 15 is the highest MCS index usable by a 2-stream device.
+ *
+ * All ath9k devices are either 1-stream or 2-stream.
+ *
+ * How many bars you see is derived from the qual reporting.
+ *
+ * A more elaborate scheme can be used here but it requires tables
+ * of SNR/throughput for each possible mode used. For the MCS table
+ * you can refer to the wireless wiki:
+ *
+ * http://wireless.kernel.org/en/developers/Documentation/ieee80211/802.11n
+ *
+ */
+static int ath9k_compute_qual(struct ieee80211_hw *hw,
+			      struct ath_rx_status *rx_stats)
+{
+	int qual;
+
+	if (conf_is_ht(&hw->conf))
+		qual =  rx_stats->rs_rssi * 100 / 45;
+	else
+		qual =  rx_stats->rs_rssi * 100 / 35;
+
+	/*
+	 * rssi can be more than 45 though, anything above that
+	 * should be considered at 100%
+	 */
+	if (qual > 100)
+		qual = 100;
+
+	return qual;
+}
+
+static void ath9k_process_rssi(struct ath_common *common,
+			       struct ieee80211_hw *hw,
+			       struct sk_buff *skb,
+			       struct ath_rx_status *rx_stats)
+{
+	struct ath_hw *ah = common->ah;
+	struct ieee80211_sta *sta;
+	struct ieee80211_hdr *hdr;
+	struct ath_node *an;
+	int last_rssi = ATH_RSSI_DUMMY_MARKER;
+	__le16 fc;
+
+	hdr = (struct ieee80211_hdr *)skb->data;
+	fc = hdr->frame_control;
+
+	rcu_read_lock();
+	/*
+	 * XXX: use ieee80211_find_sta! This requires quite a bit of work
+	 * under the current ath9k virtual wiphy implementation as we have
+	 * no way of tying a vif to wiphy. Typically vifs are attached to
+	 * at least one sdata of a wiphy on mac80211 but with ath9k virtual
+	 * wiphy you'd have to iterate over every wiphy and each sdata.
+	 */
+	sta = ieee80211_find_sta_by_hw(hw, hdr->addr2);
+	if (sta) {
+		an = (struct ath_node *) sta->drv_priv;
+		if (rx_stats->rs_rssi != ATH9K_RSSI_BAD &&
+		   !rx_stats->rs_moreaggr)
+			ATH_RSSI_LPF(an->last_rssi, rx_stats->rs_rssi);
+		last_rssi = an->last_rssi;
+	}
+	rcu_read_unlock();
+
+	if (likely(last_rssi != ATH_RSSI_DUMMY_MARKER))
+		rx_stats->rs_rssi = ATH_EP_RND(last_rssi,
+					      ATH_RSSI_EP_MULTIPLIER);
+	if (rx_stats->rs_rssi < 0)
+		rx_stats->rs_rssi = 0;
+	else if (rx_stats->rs_rssi > 127)
+		rx_stats->rs_rssi = 127;
+
+	/* Update Beacon RSSI, this is used by ANI. */
+	if (ieee80211_is_beacon(fc))
+		ah->stats.avgbrssi = rx_stats->rs_rssi;
+}
+
+/*
+ * For Decrypt or Demic errors, we only mark packet status here and always push
+ * up the frame up to let mac80211 handle the actual error case, be it no
+ * decryption key or real decryption error. This let us keep statistics there.
+ */
+int ath9k_cmn_rx_skb_preprocess(struct ath_common *common,
+				struct ieee80211_hw *hw,
+				struct sk_buff *skb,
+				struct ath_rx_status *rx_stats,
+				struct ieee80211_rx_status *rx_status,
+				bool *decrypt_error)
+{
+	struct ath_hw *ah = common->ah;
+
+	if (!ath9k_rx_accept(common, skb, rx_status, rx_stats, decrypt_error))
+		return -EINVAL;
+
+	ath9k_process_rssi(common, hw, skb, rx_stats);
+
+	rx_status->rate_idx = ath9k_process_rate(common, hw,
+						 rx_stats, rx_status, skb);
+	rx_status->mactime = ath9k_hw_extend_tsf(ah, rx_stats->rs_tstamp);
+	rx_status->band = hw->conf.channel->band;
+	rx_status->freq = hw->conf.channel->center_freq;
+	rx_status->noise = common->ani.noise_floor;
+	rx_status->signal = ATH_DEFAULT_NOISE_FLOOR + rx_stats->rs_rssi;
+	rx_status->antenna = rx_stats->rs_antenna;
+	rx_status->qual = ath9k_compute_qual(hw, rx_stats);
+	rx_status->flag |= RX_FLAG_TSFT;
+
+	return 0;
+}
+EXPORT_SYMBOL(ath9k_cmn_rx_skb_preprocess);
+
+void ath9k_cmn_rx_skb_postprocess(struct ath_common *common,
+				  struct sk_buff *skb,
+				  struct ath_rx_status *rx_stats,
+				  struct ieee80211_rx_status *rxs,
+				  bool decrypt_error)
+{
+	struct ath_hw *ah = common->ah;
+	struct ieee80211_hdr *hdr;
+	int hdrlen, padsize;
+	u8 keyix;
+	__le16 fc;
+
+	/* see if any padding is done by the hw and remove it */
+	hdr = (struct ieee80211_hdr *) skb->data;
+	hdrlen = ieee80211_get_hdrlen_from_skb(skb);
+	fc = hdr->frame_control;
+
+	/* The MAC header is padded to have 32-bit boundary if the
+	 * packet payload is non-zero. The general calculation for
+	 * padsize would take into account odd header lengths:
+	 * padsize = (4 - hdrlen % 4) % 4; However, since only
+	 * even-length headers are used, padding can only be 0 or 2
+	 * bytes and we can optimize this a bit. In addition, we must
+	 * not try to remove padding from short control frames that do
+	 * not have payload. */
+	padsize = hdrlen & 3;
+	if (padsize && hdrlen >= 24) {
+		memmove(skb->data + padsize, skb->data, hdrlen);
+		skb_pull(skb, padsize);
+	}
+
+	keyix = rx_stats->rs_keyix;
+
+	if (!(keyix == ATH9K_RXKEYIX_INVALID) && !decrypt_error) {
+		rxs->flag |= RX_FLAG_DECRYPTED;
+	} else if (ieee80211_has_protected(fc)
+		   && !decrypt_error && skb->len >= hdrlen + 4) {
+		keyix = skb->data[hdrlen + 3] >> 6;
+
+		if (test_bit(keyix, common->keymap))
+			rxs->flag |= RX_FLAG_DECRYPTED;
+	}
+	if (ah->sw_mgmt_crypto &&
+	    (rxs->flag & RX_FLAG_DECRYPTED) &&
+	    ieee80211_is_mgmt(fc))
+		/* Use software decrypt for management frames. */
+		rxs->flag &= ~RX_FLAG_DECRYPTED;
+}
+EXPORT_SYMBOL(ath9k_cmn_rx_skb_postprocess);
+
+static int __init ath9k_cmn_init(void)
+{
+	return 0;
+}
+module_init(ath9k_cmn_init);
+
+static void __exit ath9k_cmn_exit(void)
+{
+	return;
+}
+module_exit(ath9k_cmn_exit);
diff --git a/drivers/net/wireless/ath/ath9k/common.h b/drivers/net/wireless/ath/ath9k/common.h
new file mode 100644
index 00000000000..292e3d860c0
--- /dev/null
+++ b/drivers/net/wireless/ath/ath9k/common.h
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2009 Atheros Communications Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <net/mac80211.h>
+
+#include "../ath.h"
+#include "../debug.h"
+
+#include "hw.h"
+
+/* Common header for Atheros 802.11n base driver cores */
+
+#define WME_NUM_TID             16
+#define WME_BA_BMP_SIZE         64
+#define WME_MAX_BA              WME_BA_BMP_SIZE
+#define ATH_TID_MAX_BUFS        (2 * WME_MAX_BA)
+
+#define WME_AC_BE   0
+#define WME_AC_BK   1
+#define WME_AC_VI   2
+#define WME_AC_VO   3
+#define WME_NUM_AC  4
+
+#define ATH_RSSI_DUMMY_MARKER   0x127
+#define ATH_RSSI_LPF_LEN 		10
+#define RSSI_LPF_THRESHOLD		-20
+#define ATH_RSSI_EP_MULTIPLIER     (1<<7)
+#define ATH_EP_MUL(x, mul)         ((x) * (mul))
+#define ATH_RSSI_IN(x)             (ATH_EP_MUL((x), ATH_RSSI_EP_MULTIPLIER))
+#define ATH_LPF_RSSI(x, y, len) \
+    ((x != ATH_RSSI_DUMMY_MARKER) ? (((x) * ((len) - 1) + (y)) / (len)) : (y))
+#define ATH_RSSI_LPF(x, y) do {                     			\
+    if ((y) >= RSSI_LPF_THRESHOLD)                         		\
+	x = ATH_LPF_RSSI((x), ATH_RSSI_IN((y)), ATH_RSSI_LPF_LEN);  	\
+} while (0)
+#define ATH_EP_RND(x, mul) 						\
+	((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))
+
+struct ath_atx_ac {
+	int sched;
+	int qnum;
+	struct list_head list;
+	struct list_head tid_q;
+};
+
+struct ath_buf_state {
+	int bfs_nframes;
+	u16 bfs_al;
+	u16 bfs_frmlen;
+	int bfs_seqno;
+	int bfs_tidno;
+	int bfs_retries;
+	u8 bf_type;
+	u32 bfs_keyix;
+	enum ath9k_key_type bfs_keytype;
+};
+
+struct ath_buf {
+	struct list_head list;
+	struct ath_buf *bf_lastbf;	/* last buf of this unit (a frame or
+					   an aggregate) */
+	struct ath_buf *bf_next;	/* next subframe in the aggregate */
+	struct sk_buff *bf_mpdu;	/* enclosing frame structure */
+	struct ath_desc *bf_desc;	/* virtual addr of desc */
+	dma_addr_t bf_daddr;		/* physical addr of desc */
+	dma_addr_t bf_buf_addr;		/* physical addr of data buffer */
+	bool bf_stale;
+	u16 bf_flags;
+	struct ath_buf_state bf_state;
+	dma_addr_t bf_dmacontext;
+};
+
+struct ath_atx_tid {
+	struct list_head list;
+	struct list_head buf_q;
+	struct ath_node *an;
+	struct ath_atx_ac *ac;
+	struct ath_buf *tx_buf[ATH_TID_MAX_BUFS];
+	u16 seq_start;
+	u16 seq_next;
+	u16 baw_size;
+	int tidno;
+	int baw_head;   /* first un-acked tx buffer */
+	int baw_tail;   /* next unused tx buffer slot */
+	int sched;
+	int paused;
+	u8 state;
+};
+
+struct ath_node {
+	struct ath_common *common;
+	struct ath_atx_tid tid[WME_NUM_TID];
+	struct ath_atx_ac ac[WME_NUM_AC];
+	u16 maxampdu;
+	u8 mpdudensity;
+	int last_rssi;
+};
+
+int ath9k_cmn_rx_skb_preprocess(struct ath_common *common,
+				struct ieee80211_hw *hw,
+				struct sk_buff *skb,
+				struct ath_rx_status *rx_stats,
+				struct ieee80211_rx_status *rx_status,
+				bool *decrypt_error);
+
+void ath9k_cmn_rx_skb_postprocess(struct ath_common *common,
+				  struct sk_buff *skb,
+				  struct ath_rx_status *rx_stats,
+				  struct ieee80211_rx_status *rxs,
+				  bool decrypt_error);
diff --git a/drivers/net/wireless/ath/ath9k/rc.h b/drivers/net/wireless/ath/ath9k/rc.h
index fa21a628ddd..94cb9f8d244 100644
--- a/drivers/net/wireless/ath/ath9k/rc.h
+++ b/drivers/net/wireless/ath/ath9k/rc.h
@@ -19,6 +19,8 @@
 #ifndef RC_H
 #define RC_H
 
+#include "hw.h"
+
 struct ath_softc;
 
 #define ATH_RATE_MAX     30
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 8b7489d61d3..477365e5ae6 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -89,282 +89,6 @@ static void ath_setdefantenna(struct ath_softc *sc, u32 antenna)
 	sc->rx.rxotherant = 0;
 }
 
-/* Assumes you've already done the endian to CPU conversion */
-static bool ath9k_rx_accept(struct ath_common *common,
-			    struct sk_buff *skb,
-			    struct ieee80211_rx_status *rxs,
-			    struct ath_rx_status *rx_stats,
-			    bool *decrypt_error)
-{
-	struct ath_hw *ah = common->ah;
-	struct ieee80211_hdr *hdr;
-	__le16 fc;
-
-	hdr = (struct ieee80211_hdr *) skb->data;
-	fc = hdr->frame_control;
-
-	if (!rx_stats->rs_datalen)
-		return false;
-        /*
-         * rs_status follows rs_datalen so if rs_datalen is too large
-         * we can take a hint that hardware corrupted it, so ignore
-         * those frames.
-         */
-	if (rx_stats->rs_datalen > common->rx_bufsize)
-		return false;
-
-	if (rx_stats->rs_more) {
-		/*
-		 * Frame spans multiple descriptors; this cannot happen yet
-		 * as we don't support jumbograms. If not in monitor mode,
-		 * discard the frame. Enable this if you want to see
-		 * error frames in Monitor mode.
-		 */
-		if (ah->opmode != NL80211_IFTYPE_MONITOR)
-			return false;
-	} else if (rx_stats->rs_status != 0) {
-		if (rx_stats->rs_status & ATH9K_RXERR_CRC)
-			rxs->flag |= RX_FLAG_FAILED_FCS_CRC;
-		if (rx_stats->rs_status & ATH9K_RXERR_PHY)
-			return false;
-
-		if (rx_stats->rs_status & ATH9K_RXERR_DECRYPT) {
-			*decrypt_error = true;
-		} else if (rx_stats->rs_status & ATH9K_RXERR_MIC) {
-			if (ieee80211_is_ctl(fc))
-				/*
-				 * Sometimes, we get invalid
-				 * MIC failures on valid control frames.
-				 * Remove these mic errors.
-				 */
-				rx_stats->rs_status &= ~ATH9K_RXERR_MIC;
-			else
-				rxs->flag |= RX_FLAG_MMIC_ERROR;
-		}
-		/*
-		 * Reject error frames with the exception of
-		 * decryption and MIC failures. For monitor mode,
-		 * we also ignore the CRC error.
-		 */
-		if (ah->opmode == NL80211_IFTYPE_MONITOR) {
-			if (rx_stats->rs_status &
-			    ~(ATH9K_RXERR_DECRYPT | ATH9K_RXERR_MIC |
-			      ATH9K_RXERR_CRC))
-				return false;
-		} else {
-			if (rx_stats->rs_status &
-			    ~(ATH9K_RXERR_DECRYPT | ATH9K_RXERR_MIC)) {
-				return false;
-			}
-		}
-	}
-	return true;
-}
-
-static u8 ath9k_process_rate(struct ath_common *common,
-			     struct ieee80211_hw *hw,
-			     struct ath_rx_status *rx_stats,
-			     struct ieee80211_rx_status *rxs,
-			     struct sk_buff *skb)
-{
-	struct ieee80211_supported_band *sband;
-	enum ieee80211_band band;
-	unsigned int i = 0;
-
-	band = hw->conf.channel->band;
-	sband = hw->wiphy->bands[band];
-
-	if (rx_stats->rs_rate & 0x80) {
-		/* HT rate */
-		rxs->flag |= RX_FLAG_HT;
-		if (rx_stats->rs_flags & ATH9K_RX_2040)
-			rxs->flag |= RX_FLAG_40MHZ;
-		if (rx_stats->rs_flags & ATH9K_RX_GI)
-			rxs->flag |= RX_FLAG_SHORT_GI;
-		return rx_stats->rs_rate & 0x7f;
-	}
-
-	for (i = 0; i < sband->n_bitrates; i++) {
-		if (sband->bitrates[i].hw_value == rx_stats->rs_rate)
-			return i;
-		if (sband->bitrates[i].hw_value_short == rx_stats->rs_rate) {
-			rxs->flag |= RX_FLAG_SHORTPRE;
-			return i;
-		}
-	}
-
-	/* No valid hardware bitrate found -- we should not get here */
-	ath_print(common, ATH_DBG_XMIT, "unsupported hw bitrate detected "
-		  "0x%02x using 1 Mbit\n", rx_stats->rs_rate);
-	if ((common->debug_mask & ATH_DBG_XMIT))
-		print_hex_dump_bytes("", DUMP_PREFIX_NONE, skb->data, skb->len);
-
-        return 0;
-}
-
-/*
- * Theory for reporting quality:
- *
- * At a hardware RSSI of 45 you will be able to use MCS 7  reliably.
- * At a hardware RSSI of 45 you will be able to use MCS 15 reliably.
- * At a hardware RSSI of 35 you should be able use 54 Mbps reliably.
- *
- * MCS 7  is the highets MCS index usable by a 1-stream device.
- * MCS 15 is the highest MCS index usable by a 2-stream device.
- *
- * All ath9k devices are either 1-stream or 2-stream.
- *
- * How many bars you see is derived from the qual reporting.
- *
- * A more elaborate scheme can be used here but it requires tables
- * of SNR/throughput for each possible mode used. For the MCS table
- * you can refer to the wireless wiki:
- *
- * http://wireless.kernel.org/en/developers/Documentation/ieee80211/802.11n
- *
- */
-static int ath9k_compute_qual(struct ieee80211_hw *hw,
-			      struct ath_rx_status *rx_stats)
-{
-	int qual;
-
-	if (conf_is_ht(&hw->conf))
-		qual =  rx_stats->rs_rssi * 100 / 45;
-	else
-		qual =  rx_stats->rs_rssi * 100 / 35;
-
-	/*
-	 * rssi can be more than 45 though, anything above that
-	 * should be considered at 100%
-	 */
-	if (qual > 100)
-		qual = 100;
-
-	return qual;
-}
-
-static void ath9k_process_rssi(struct ath_common *common,
-			       struct ieee80211_hw *hw,
-			       struct sk_buff *skb,
-			       struct ath_rx_status *rx_stats)
-{
-	struct ath_hw *ah = common->ah;
-	struct ieee80211_sta *sta;
-	struct ieee80211_hdr *hdr;
-	struct ath_node *an;
-	int last_rssi = ATH_RSSI_DUMMY_MARKER;
-	__le16 fc;
-
-	hdr = (struct ieee80211_hdr *)skb->data;
-	fc = hdr->frame_control;
-
-	rcu_read_lock();
-	/* XXX: use ieee80211_find_sta! */
-	sta = ieee80211_find_sta_by_hw(hw, hdr->addr2);
-	if (sta) {
-		an = (struct ath_node *) sta->drv_priv;
-		if (rx_stats->rs_rssi != ATH9K_RSSI_BAD &&
-		   !rx_stats->rs_moreaggr)
-			ATH_RSSI_LPF(an->last_rssi, rx_stats->rs_rssi);
-		last_rssi = an->last_rssi;
-	}
-	rcu_read_unlock();
-
-	if (likely(last_rssi != ATH_RSSI_DUMMY_MARKER))
-		rx_stats->rs_rssi = ATH_EP_RND(last_rssi,
-					      ATH_RSSI_EP_MULTIPLIER);
-	if (rx_stats->rs_rssi < 0)
-		rx_stats->rs_rssi = 0;
-	else if (rx_stats->rs_rssi > 127)
-		rx_stats->rs_rssi = 127;
-
-	/* Update Beacon RSSI, this is used by ANI. */
-	if (ieee80211_is_beacon(fc))
-		ah->stats.avgbrssi = rx_stats->rs_rssi;
-}
-
-/*
- * For Decrypt or Demic errors, we only mark packet status here and always push
- * up the frame up to let mac80211 handle the actual error case, be it no
- * decryption key or real decryption error. This let us keep statistics there.
- */
-static int ath9k_rx_skb_preprocess(struct ath_common *common,
-				   struct ieee80211_hw *hw,
-				   struct sk_buff *skb,
-				   struct ath_rx_status *rx_stats,
-				   struct ieee80211_rx_status *rx_status,
-				   bool *decrypt_error)
-{
-	struct ath_hw *ah = common->ah;
-
-	if (!ath9k_rx_accept(common, skb, rx_status, rx_stats, decrypt_error))
-		return -EINVAL;
-
-	ath9k_process_rssi(common, hw, skb, rx_stats);
-
-	rx_status->rate_idx = ath9k_process_rate(common, hw,
-						 rx_stats, rx_status, skb);
-	rx_status->mactime = ath9k_hw_extend_tsf(ah, rx_stats->rs_tstamp);
-	rx_status->band = hw->conf.channel->band;
-	rx_status->freq = hw->conf.channel->center_freq;
-	rx_status->noise = common->ani.noise_floor;
-	rx_status->signal = ATH_DEFAULT_NOISE_FLOOR + rx_stats->rs_rssi;
-	rx_status->antenna = rx_stats->rs_antenna;
-	rx_status->qual = ath9k_compute_qual(hw, rx_stats);
-	rx_status->flag |= RX_FLAG_TSFT;
-
-	return 0;
-}
-
-static void ath9k_rx_skb_postprocess(struct ath_common *common,
-				     struct sk_buff *skb,
-				     struct ath_rx_status *rx_stats,
-				     struct ieee80211_rx_status *rxs,
-				     bool decrypt_error)
-{
-	struct ath_hw *ah = common->ah;
-	struct ieee80211_hdr *hdr;
-	int hdrlen, padsize;
-	u8 keyix;
-	__le16 fc;
-
-	/* see if any padding is done by the hw and remove it */
-	hdr = (struct ieee80211_hdr *) skb->data;
-	hdrlen = ieee80211_get_hdrlen_from_skb(skb);
-	fc = hdr->frame_control;
-
-	/* The MAC header is padded to have 32-bit boundary if the
-	 * packet payload is non-zero. The general calculation for
-	 * padsize would take into account odd header lengths:
-	 * padsize = (4 - hdrlen % 4) % 4; However, since only
-	 * even-length headers are used, padding can only be 0 or 2
-	 * bytes and we can optimize this a bit. In addition, we must
-	 * not try to remove padding from short control frames that do
-	 * not have payload. */
-	padsize = hdrlen & 3;
-	if (padsize && hdrlen >= 24) {
-		memmove(skb->data + padsize, skb->data, hdrlen);
-		skb_pull(skb, padsize);
-	}
-
-	keyix = rx_stats->rs_keyix;
-
-	if (!(keyix == ATH9K_RXKEYIX_INVALID) && !decrypt_error) {
-		rxs->flag |= RX_FLAG_DECRYPTED;
-	} else if (ieee80211_has_protected(fc)
-		   && !decrypt_error && skb->len >= hdrlen + 4) {
-		keyix = skb->data[hdrlen + 3] >> 6;
-
-		if (test_bit(keyix, common->keymap))
-			rxs->flag |= RX_FLAG_DECRYPTED;
-	}
-	if (ah->sw_mgmt_crypto &&
-	    (rxs->flag & RX_FLAG_DECRYPTED) &&
-	    ieee80211_is_mgmt(fc))
-		/* Use software decrypt for management frames. */
-		rxs->flag &= ~RX_FLAG_DECRYPTED;
-}
-
 static void ath_opmode_init(struct ath_softc *sc)
 {
 	struct ath_hw *ah = sc->sc_ah;
@@ -854,8 +578,8 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 		if (flush)
 			goto requeue;
 
-		retval = ath9k_rx_skb_preprocess(common, hw, skb, rx_stats,
-						 rxs, &decrypt_error);
+		retval = ath9k_cmn_rx_skb_preprocess(common, hw, skb, rx_stats,
+						     rxs, &decrypt_error);
 		if (retval)
 			goto requeue;
 
@@ -877,8 +601,8 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 
 		skb_put(skb, rx_stats->rs_datalen);
 
-		ath9k_rx_skb_postprocess(common, skb, rx_stats,
-					 rxs, decrypt_error);
+		ath9k_cmn_rx_skb_postprocess(common, skb, rx_stats,
+					     rxs, decrypt_error);
 
 		/* We will now give hardware our shiny new allocated skb */
 		bf->bf_mpdu = requeue_skb;
-- 
GitLab


From 165864d08774823e3b88d5fcf4dad302700612e3 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Thu, 5 Nov 2009 08:53:10 -0800
Subject: [PATCH 1158/1815] ath9k_common: remove ath9k_compute_qual()

This is now deprecated and unused within mac80211, so time
to remove it as otherwise we'd be doing some unecessary
computations for nothing.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/common.c | 42 -------------------------
 1 file changed, 42 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/common.c b/drivers/net/wireless/ath/ath9k/common.c
index 5fb164e294d..80edf7a302c 100644
--- a/drivers/net/wireless/ath/ath9k/common.c
+++ b/drivers/net/wireless/ath/ath9k/common.c
@@ -142,47 +142,6 @@ static u8 ath9k_process_rate(struct ath_common *common,
         return 0;
 }
 
-/*
- * Theory for reporting quality:
- *
- * At a hardware RSSI of 45 you will be able to use MCS 7  reliably.
- * At a hardware RSSI of 45 you will be able to use MCS 15 reliably.
- * At a hardware RSSI of 35 you should be able use 54 Mbps reliably.
- *
- * MCS 7  is the highets MCS index usable by a 1-stream device.
- * MCS 15 is the highest MCS index usable by a 2-stream device.
- *
- * All ath9k devices are either 1-stream or 2-stream.
- *
- * How many bars you see is derived from the qual reporting.
- *
- * A more elaborate scheme can be used here but it requires tables
- * of SNR/throughput for each possible mode used. For the MCS table
- * you can refer to the wireless wiki:
- *
- * http://wireless.kernel.org/en/developers/Documentation/ieee80211/802.11n
- *
- */
-static int ath9k_compute_qual(struct ieee80211_hw *hw,
-			      struct ath_rx_status *rx_stats)
-{
-	int qual;
-
-	if (conf_is_ht(&hw->conf))
-		qual =  rx_stats->rs_rssi * 100 / 45;
-	else
-		qual =  rx_stats->rs_rssi * 100 / 35;
-
-	/*
-	 * rssi can be more than 45 though, anything above that
-	 * should be considered at 100%
-	 */
-	if (qual > 100)
-		qual = 100;
-
-	return qual;
-}
-
 static void ath9k_process_rssi(struct ath_common *common,
 			       struct ieee80211_hw *hw,
 			       struct sk_buff *skb,
@@ -256,7 +215,6 @@ int ath9k_cmn_rx_skb_preprocess(struct ath_common *common,
 	rx_status->noise = common->ani.noise_floor;
 	rx_status->signal = ATH_DEFAULT_NOISE_FLOOR + rx_stats->rs_rssi;
 	rx_status->antenna = rx_stats->rs_antenna;
-	rx_status->qual = ath9k_compute_qual(hw, rx_stats);
 	rx_status->flag |= RX_FLAG_TSFT;
 
 	return 0;
-- 
GitLab


From 748d451028ef037576b57517bc81e62f1fd92250 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Thu, 5 Nov 2009 14:10:07 -0800
Subject: [PATCH 1159/1815] ath9k_common: clarify and correct jumbogram
 processing

Jumbograms are frames put together linked together through
more than one descriptor. For example ath9k_htc will use this
to send from the target a large frame split up into 2 or more
segments. The driver then would be in charge of putting the
frame back together.

When jumbograms are constructed the rx_stats->rs_more will
bet set and rx_stats->rs_status will not have any valid content
as the actual status will only be avialable at the end of
the chained descriptors.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/common.c | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/common.c b/drivers/net/wireless/ath/ath9k/common.c
index 80edf7a302c..acd4bb503df 100644
--- a/drivers/net/wireless/ath/ath9k/common.c
+++ b/drivers/net/wireless/ath/ath9k/common.c
@@ -53,16 +53,17 @@ static bool ath9k_rx_accept(struct ath_common *common,
 	if (rx_stats->rs_datalen > common->rx_bufsize)
 		return false;
 
-	if (rx_stats->rs_more) {
-		/*
-		 * Frame spans multiple descriptors; this cannot happen yet
-		 * as we don't support jumbograms. If not in monitor mode,
-		 * discard the frame. Enable this if you want to see
-		 * error frames in Monitor mode.
-		 */
-		if (ah->opmode != NL80211_IFTYPE_MONITOR)
-			return false;
-	} else if (rx_stats->rs_status != 0) {
+	/*
+	 * rs_more indicates chained descriptors which can be used
+	 * to link buffers together for a sort of scatter-gather
+	 * operation.
+	 *
+	 * The rx_stats->rs_status will not be set until the end of the
+	 * chained descriptors so it can be ignored if rs_more is set. The
+	 * rs_more will be false at the last element of the chained
+	 * descriptors.
+	 */
+	if (!rx_stats->rs_more && rx_stats->rs_status != 0) {
 		if (rx_stats->rs_status & ATH9K_RXERR_CRC)
 			rxs->flag |= RX_FLAG_FAILED_FCS_CRC;
 		if (rx_stats->rs_status & ATH9K_RXERR_PHY)
-- 
GitLab


From a65986824d2552dd76786d5a0012989a64c45ab7 Mon Sep 17 00:00:00 2001
From: Gertjan van Wingerde <gwingerde@gmail.com>
Date: Sun, 8 Nov 2009 12:30:35 +0100
Subject: [PATCH 1160/1815] rt2x00: Add dynamic detection of eFuse EEPROM in
 rt2800pci.

Instead of assuming that all rt3090 devices will have an eFuse EEPROM,
do as the legacy Ralink driver, and detect at run-time whether an
eFuse EEPROM is present.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800pci.c | 22 ++++++++++++++++++----
 drivers/net/wireless/rt2x00/rt2800pci.h |  1 +
 2 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index bff870799f6..2f284a6f384 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -145,6 +145,15 @@ static void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev)
 			       EEPROM_SIZE / sizeof(u16));
 }
 
+static int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev)
+{
+	u32 reg;
+
+	rt2800_register_read(rt2x00dev, EFUSE_CTRL, &reg);
+
+	return rt2x00_get_field32(reg, EFUSE_CTRL_PRESENT);
+}
+
 static void rt2800pci_efuse_read(struct rt2x00_dev *rt2x00dev,
 				 unsigned int i)
 {
@@ -182,6 +191,11 @@ static inline void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev)
 {
 }
 
+static inline int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev)
+{
+	return 0;
+}
+
 static inline void rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
 {
 }
@@ -1091,11 +1105,11 @@ static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
 	case RT3052:
 		rt2800pci_read_eeprom_soc(rt2x00dev);
 		break;
-	case RT3090:
-		rt2800pci_read_eeprom_efuse(rt2x00dev);
-		break;
 	default:
-		rt2800pci_read_eeprom_pci(rt2x00dev);
+		if (rt2800pci_efuse_detect(rt2x00dev))
+			rt2800pci_read_eeprom_efuse(rt2x00dev);
+		else
+			rt2800pci_read_eeprom_pci(rt2x00dev);
 		break;
 	}
 
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.h b/drivers/net/wireless/rt2x00/rt2800pci.h
index 1dbf13270cd..8f944ee8a97 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.h
+++ b/drivers/net/wireless/rt2x00/rt2800pci.h
@@ -62,6 +62,7 @@
 #define EFUSE_CTRL_ADDRESS_IN		FIELD32(0x03fe0000)
 #define EFUSE_CTRL_MODE			FIELD32(0x000000c0)
 #define EFUSE_CTRL_KICK			FIELD32(0x40000000)
+#define EFUSE_CTRL_PRESENT		FIELD32(0x80000000)
 
 /*
  * EFUSE_DATA0
-- 
GitLab


From 863cc978a73bc07f1de0e9a9bd9889bed6e618da Mon Sep 17 00:00:00 2001
From: Ivo van Doorn <ivdoorn@gmail.com>
Date: Sun, 8 Nov 2009 14:37:48 +0100
Subject: [PATCH 1161/1815] rt2x00: Remove deprecated ieee80211_rx_status->qual
 usage

ieee80211_rx_status->qual has been marked deprecated.
This allows us to remove several functions and fields which
were used to calculate a reasonable value for it.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2x00.h     |  7 --
 drivers/net/wireless/rt2x00/rt2x00dev.c  |  1 -
 drivers/net/wireless/rt2x00/rt2x00lib.h  | 13 ----
 drivers/net/wireless/rt2x00/rt2x00link.c | 88 ------------------------
 4 files changed, 109 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index c83dbaefd57..1a84574a26d 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -312,13 +312,6 @@ struct link {
 	 */
 	struct avg_val avg_rssi;
 
-	/*
-	 * Currently precalculated percentages of successful
-	 * TX and RX frames.
-	 */
-	int rx_percentage;
-	int tx_percentage;
-
 	/*
 	 * Work structure for scheduling periodic link tuning.
 	 */
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 73bbec58341..00bfb2255ce 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -430,7 +430,6 @@ void rt2x00lib_rxdone(struct rt2x00_dev *rt2x00dev,
 
 	rx_status->mactime = rxdesc.timestamp;
 	rx_status->rate_idx = rate_idx;
-	rx_status->qual = rt2x00link_calculate_signal(rt2x00dev, rxdesc.rssi);
 	rx_status->signal = rxdesc.rssi;
 	rx_status->noise = rxdesc.noise;
 	rx_status->flag = rxdesc.flags;
diff --git a/drivers/net/wireless/rt2x00/rt2x00lib.h b/drivers/net/wireless/rt2x00/rt2x00lib.h
index 567f029a8cd..e17016572c3 100644
--- a/drivers/net/wireless/rt2x00/rt2x00lib.h
+++ b/drivers/net/wireless/rt2x00/rt2x00lib.h
@@ -222,19 +222,6 @@ void rt2x00link_update_stats(struct rt2x00_dev *rt2x00dev,
 			     struct sk_buff *skb,
 			     struct rxdone_entry_desc *rxdesc);
 
-/**
- * rt2x00link_calculate_signal - Calculate signal quality
- * @rt2x00dev: Pointer to &struct rt2x00_dev.
- * @rssi: RX Frame RSSI
- *
- * Calculate the signal quality of a frame based on the rssi
- * measured during the receiving of the frame and the global
- * link quality statistics measured since the start of the
- * link tuning. The result is a value between 0 and 100 which
- * is an indication of the signal quality.
- */
-int rt2x00link_calculate_signal(struct rt2x00_dev *rt2x00dev, int rssi);
-
 /**
  * rt2x00link_start_tuner - Start periodic link tuner work
  * @rt2x00dev: Pointer to &struct rt2x00_dev.
diff --git a/drivers/net/wireless/rt2x00/rt2x00link.c b/drivers/net/wireless/rt2x00/rt2x00link.c
index c708d0be915..f918f29e2d7 100644
--- a/drivers/net/wireless/rt2x00/rt2x00link.c
+++ b/drivers/net/wireless/rt2x00/rt2x00link.c
@@ -35,24 +35,6 @@
  */
 #define DEFAULT_RSSI		-128
 
-/*
- * When no TX/RX percentage could be calculated due to lack of
- * frames on the air, we fallback to a percentage of 50%.
- * This will assure we will get at least get some decent value
- * when the link tuner starts.
- * The value will be dropped and overwritten with the correct (measured)
- * value anyway during the first run of the link tuner.
- */
-#define DEFAULT_PERCENTAGE	50
-
-/*
- * Small helper macro for percentage calculation
- * This is a very simple macro with the only catch that it will
- * produce a default value in case no total value was provided.
- */
-#define PERCENTAGE(__value, __total) \
-	( (__total) ? (((__value) * 100) / (__total)) : (DEFAULT_PERCENTAGE) )
-
 /*
  * Helper struct and macro to work with moving/walking averages.
  * When adding a value to the average value the following calculation
@@ -91,27 +73,6 @@
 	__new; \
 })
 
-/*
- * For calculating the Signal quality we have determined
- * the total number of success and failed RX and TX frames.
- * With the addition of the average RSSI value we can determine
- * the link quality using the following algorithm:
- *
- *         rssi_percentage = (avg_rssi * 100) / rssi_offset
- *         rx_percentage = (rx_success * 100) / rx_total
- *         tx_percentage = (tx_success * 100) / tx_total
- *         avg_signal = ((WEIGHT_RSSI * avg_rssi) +
- *                       (WEIGHT_TX * tx_percentage) +
- *                       (WEIGHT_RX * rx_percentage)) / 100
- *
- * This value should then be checked to not be greater then 100.
- * This means the values of WEIGHT_RSSI, WEIGHT_RX, WEIGHT_TX must
- * sum up to 100 as well.
- */
-#define WEIGHT_RSSI	20
-#define WEIGHT_RX	40
-#define WEIGHT_TX	40
-
 static int rt2x00link_antenna_get_link_rssi(struct rt2x00_dev *rt2x00dev)
 {
 	struct link_ant *ant = &rt2x00dev->link.ant;
@@ -304,46 +265,6 @@ void rt2x00link_update_stats(struct rt2x00_dev *rt2x00dev,
 	ant->rssi_ant = MOVING_AVERAGE(ant->rssi_ant, rxdesc->rssi);
 }
 
-static void rt2x00link_precalculate_signal(struct rt2x00_dev *rt2x00dev)
-{
-	struct link *link = &rt2x00dev->link;
-	struct link_qual *qual = &rt2x00dev->link.qual;
-
-	link->rx_percentage =
-	    PERCENTAGE(qual->rx_success, qual->rx_failed + qual->rx_success);
-	link->tx_percentage =
-	    PERCENTAGE(qual->tx_success, qual->tx_failed + qual->tx_success);
-}
-
-int rt2x00link_calculate_signal(struct rt2x00_dev *rt2x00dev, int rssi)
-{
-	struct link *link = &rt2x00dev->link;
-	int rssi_percentage = 0;
-	int signal;
-
-	/*
-	 * We need a positive value for the RSSI.
-	 */
-	if (rssi < 0)
-		rssi += rt2x00dev->rssi_offset;
-
-	/*
-	 * Calculate the different percentages,
-	 * which will be used for the signal.
-	 */
-	rssi_percentage = PERCENTAGE(rssi, rt2x00dev->rssi_offset);
-
-	/*
-	 * Add the individual percentages and use the WEIGHT
-	 * defines to calculate the current link signal.
-	 */
-	signal = ((WEIGHT_RSSI * rssi_percentage) +
-		  (WEIGHT_TX * link->tx_percentage) +
-		  (WEIGHT_RX * link->rx_percentage)) / 100;
-
-	return max_t(int, signal, 100);
-}
-
 void rt2x00link_start_tuner(struct rt2x00_dev *rt2x00dev)
 {
 	struct link *link = &rt2x00dev->link;
@@ -357,9 +278,6 @@ void rt2x00link_start_tuner(struct rt2x00_dev *rt2x00dev)
 	if (!rt2x00dev->intf_ap_count && !rt2x00dev->intf_sta_count)
 		return;
 
-	link->rx_percentage = DEFAULT_PERCENTAGE;
-	link->tx_percentage = DEFAULT_PERCENTAGE;
-
 	rt2x00link_reset_tuner(rt2x00dev, false);
 
 	if (test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
@@ -447,12 +365,6 @@ static void rt2x00link_tuner(struct work_struct *work)
 	if (!test_bit(CONFIG_DISABLE_LINK_TUNING, &rt2x00dev->flags))
 		rt2x00dev->ops->lib->link_tuner(rt2x00dev, qual, link->count);
 
-	/*
-	 * Precalculate a portion of the link signal which is
-	 * in based on the tx/rx success/failure counters.
-	 */
-	rt2x00link_precalculate_signal(rt2x00dev);
-
 	/*
 	 * Send a signal to the led to update the led signal strength.
 	 */
-- 
GitLab


From 7ab71325cf0940099c376799aca6de7bc86ad2d0 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Sun, 8 Nov 2009 14:38:54 +0100
Subject: [PATCH 1162/1815] rt2800: prepare for unification of EEPROM support
 code

* Factor out common code from rt2800[pci,usb]_validate_eeprom()
  to rt2800_validate_eeprom().

* Fix interface specific comment in rt2800[pci,usb]_validate_eeprom().

* Enclose interface specific code in rt2800[pci,usb]_init_eeprom()
  with rt2x00_intf_is_[pci,usb]() checks.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800pci.c | 51 +++++++++++++++----------
 drivers/net/wireless/rt2x00/rt2800usb.c | 40 +++++++++++--------
 2 files changed, 55 insertions(+), 36 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 2f284a6f384..67081a4f04b 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -1091,28 +1091,12 @@ static irqreturn_t rt2800pci_interrupt(int irq, void *dev_instance)
 /*
  * Device probe functions.
  */
-static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
+static int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
 {
 	u16 word;
 	u8 *mac;
 	u8 default_lna_gain;
 
-	/*
-	 * Read EEPROM into buffer
-	 */
-	switch(rt2x00dev->chip.rt) {
-	case RT2880:
-	case RT3052:
-		rt2800pci_read_eeprom_soc(rt2x00dev);
-		break;
-	default:
-		if (rt2800pci_efuse_detect(rt2x00dev))
-			rt2800pci_read_eeprom_efuse(rt2x00dev);
-		else
-			rt2800pci_read_eeprom_pci(rt2x00dev);
-		break;
-	}
-
 	/*
 	 * Start validation of the data that has been read.
 	 */
@@ -1131,7 +1115,7 @@ static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
 		EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
 	} else if (rt2x00_rev(&rt2x00dev->chip) < RT2883_VERSION) {
 		/*
-		 * There is a max of 2 RX streams for RT2860 series
+		 * There is a max of 2 RX streams for RT28x0 series
 		 */
 		if (rt2x00_get_field16(word, EEPROM_ANTENNA_RXPATH) > 2)
 			rt2x00_set_field16(&word, EEPROM_ANTENNA_RXPATH, 2);
@@ -1210,6 +1194,27 @@ static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
 	return 0;
 }
 
+static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
+{
+	/*
+	 * Read EEPROM into buffer
+	 */
+	switch (rt2x00dev->chip.rt) {
+	case RT2880:
+	case RT3052:
+		rt2800pci_read_eeprom_soc(rt2x00dev);
+		break;
+	default:
+		if (rt2800pci_efuse_detect(rt2x00dev))
+			rt2800pci_read_eeprom_efuse(rt2x00dev);
+		else
+			rt2800pci_read_eeprom_pci(rt2x00dev);
+		break;
+	}
+
+	return rt2800_validate_eeprom(rt2x00dev);
+}
+
 static int rt2800pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
 {
 	u32 reg;
@@ -1226,7 +1231,9 @@ static int rt2800pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
 	 */
 	value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
 	rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
-	rt2x00_set_chip_rf(rt2x00dev, value, reg);
+
+	if (rt2x00_intf_is_pci(rt2x00dev))
+		rt2x00_set_chip_rf(rt2x00dev, value, reg);
 
 	if (!rt2x00_rf(&rt2x00dev->chip, RF2820) &&
 	    !rt2x00_rf(&rt2x00dev->chip, RF2850) &&
@@ -1234,8 +1241,10 @@ static int rt2800pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
 	    !rt2x00_rf(&rt2x00dev->chip, RF2750) &&
 	    !rt2x00_rf(&rt2x00dev->chip, RF3020) &&
 	    !rt2x00_rf(&rt2x00dev->chip, RF2020) &&
-	    !rt2x00_rf(&rt2x00dev->chip, RF3021) &&
-	    !rt2x00_rf(&rt2x00dev->chip, RF3022)) {
+	    (rt2x00_intf_is_usb(rt2x00dev) ||
+	     (rt2x00_intf_is_pci(rt2x00dev) &&
+	      !rt2x00_rf(&rt2x00dev->chip, RF3021) &&
+	      !rt2x00_rf(&rt2x00dev->chip, RF3022)))) {
 		ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
 		return -ENODEV;
 	}
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 3168ad4437a..080947cc5d6 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -665,14 +665,12 @@ static void rt2800usb_fill_rxdone(struct queue_entry *entry,
 /*
  * Device probe functions.
  */
-static int rt2800usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
+static int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
 {
 	u16 word;
 	u8 *mac;
 	u8 default_lna_gain;
 
-	rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE);
-
 	/*
 	 * Start validation of the data that has been read.
 	 */
@@ -691,7 +689,7 @@ static int rt2800usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
 		EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
 	} else if (rt2x00_rev(&rt2x00dev->chip) < RT2883_VERSION) {
 		/*
-		 * There is a max of 2 RX streams for RT2870 series
+		 * There is a max of 2 RX streams for RT28x0 series
 		 */
 		if (rt2x00_get_field16(word, EEPROM_ANTENNA_RXPATH) > 2)
 			rt2x00_set_field16(&word, EEPROM_ANTENNA_RXPATH, 2);
@@ -770,6 +768,13 @@ static int rt2800usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
 	return 0;
 }
 
+static int rt2800usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
+{
+	rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE);
+
+	return rt2800_validate_eeprom(rt2x00dev);
+}
+
 static int rt2800usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
 {
 	u32 reg;
@@ -786,18 +791,23 @@ static int rt2800usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
 	 */
 	value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
 	rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
-	rt2x00_set_chip(rt2x00dev, RT2870, value, reg);
 
-	/*
-	 * The check for rt2860 is not a typo, some rt2870 hardware
-	 * identifies itself as rt2860 in the CSR register.
-	 */
-	if (!rt2x00_check_rev(&rt2x00dev->chip, 0xfff00000, 0x28600000) &&
-	    !rt2x00_check_rev(&rt2x00dev->chip, 0xfff00000, 0x28700000) &&
-	    !rt2x00_check_rev(&rt2x00dev->chip, 0xfff00000, 0x28800000) &&
-	    !rt2x00_check_rev(&rt2x00dev->chip, 0xffff0000, 0x30700000)) {
-		ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
-		return -ENODEV;
+	if (rt2x00_intf_is_usb(rt2x00dev)) {
+		struct rt2x00_chip *chip = &rt2x00dev->chip;
+
+		rt2x00_set_chip(rt2x00dev, RT2870, value, reg);
+
+		/*
+		 * The check for rt2860 is not a typo, some rt2870 hardware
+		 * identifies itself as rt2860 in the CSR register.
+		 */
+		if (!rt2x00_check_rev(chip, 0xfff00000, 0x28600000) &&
+		    !rt2x00_check_rev(chip, 0xfff00000, 0x28700000) &&
+		    !rt2x00_check_rev(chip, 0xfff00000, 0x28800000) &&
+		    !rt2x00_check_rev(chip, 0xffff0000, 0x30700000)) {
+			ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
+			return -ENODEV;
+		}
 	}
 
 	if (!rt2x00_rf(&rt2x00dev->chip, RF2820) &&
-- 
GitLab


From 38bd7b8a0f485ba5ad514fcd621a1842ebadf9e6 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Sun, 8 Nov 2009 14:39:01 +0100
Subject: [PATCH 1163/1815] rt2800: unify EEPROM support code

Add rt2800_validate_eeprom() and rt2800_init_eeprom() to rt2800lib.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800lib.c | 199 ++++++++++++++++++++++++
 drivers/net/wireless/rt2x00/rt2800lib.h |   3 +
 drivers/net/wireless/rt2x00/rt2800pci.c | 183 +---------------------
 drivers/net/wireless/rt2x00/rt2800usb.c | 195 +----------------------
 4 files changed, 204 insertions(+), 376 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 5c7d74a6f16..2c211199e56 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -1659,6 +1659,205 @@ int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
 }
 EXPORT_SYMBOL_GPL(rt2800_init_rfcsr);
 
+int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
+{
+	u16 word;
+	u8 *mac;
+	u8 default_lna_gain;
+
+	/*
+	 * Start validation of the data that has been read.
+	 */
+	mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
+	if (!is_valid_ether_addr(mac)) {
+		random_ether_addr(mac);
+		EEPROM(rt2x00dev, "MAC: %pM\n", mac);
+	}
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
+	if (word == 0xffff) {
+		rt2x00_set_field16(&word, EEPROM_ANTENNA_RXPATH, 2);
+		rt2x00_set_field16(&word, EEPROM_ANTENNA_TXPATH, 1);
+		rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2820);
+		rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
+		EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
+	} else if (rt2x00_rev(&rt2x00dev->chip) < RT2883_VERSION) {
+		/*
+		 * There is a max of 2 RX streams for RT28x0 series
+		 */
+		if (rt2x00_get_field16(word, EEPROM_ANTENNA_RXPATH) > 2)
+			rt2x00_set_field16(&word, EEPROM_ANTENNA_RXPATH, 2);
+		rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
+	}
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
+	if (word == 0xffff) {
+		rt2x00_set_field16(&word, EEPROM_NIC_HW_RADIO, 0);
+		rt2x00_set_field16(&word, EEPROM_NIC_DYNAMIC_TX_AGC, 0);
+		rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_BG, 0);
+		rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_A, 0);
+		rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
+		rt2x00_set_field16(&word, EEPROM_NIC_BW40M_SB_BG, 0);
+		rt2x00_set_field16(&word, EEPROM_NIC_BW40M_SB_A, 0);
+		rt2x00_set_field16(&word, EEPROM_NIC_WPS_PBC, 0);
+		rt2x00_set_field16(&word, EEPROM_NIC_BW40M_BG, 0);
+		rt2x00_set_field16(&word, EEPROM_NIC_BW40M_A, 0);
+		rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
+		EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
+	}
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word);
+	if ((word & 0x00ff) == 0x00ff) {
+		rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
+		rt2x00_set_field16(&word, EEPROM_FREQ_LED_MODE,
+				   LED_MODE_TXRX_ACTIVITY);
+		rt2x00_set_field16(&word, EEPROM_FREQ_LED_POLARITY, 0);
+		rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
+		rt2x00_eeprom_write(rt2x00dev, EEPROM_LED1, 0x5555);
+		rt2x00_eeprom_write(rt2x00dev, EEPROM_LED2, 0x2221);
+		rt2x00_eeprom_write(rt2x00dev, EEPROM_LED3, 0xa9f8);
+		EEPROM(rt2x00dev, "Freq: 0x%04x\n", word);
+	}
+
+	/*
+	 * During the LNA validation we are going to use
+	 * lna0 as correct value. Note that EEPROM_LNA
+	 * is never validated.
+	 */
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &word);
+	default_lna_gain = rt2x00_get_field16(word, EEPROM_LNA_A0);
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &word);
+	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET0)) > 10)
+		rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET0, 0);
+	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET1)) > 10)
+		rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET1, 0);
+	rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG, word);
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &word);
+	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG2_OFFSET2)) > 10)
+		rt2x00_set_field16(&word, EEPROM_RSSI_BG2_OFFSET2, 0);
+	if (rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0x00 ||
+	    rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0xff)
+		rt2x00_set_field16(&word, EEPROM_RSSI_BG2_LNA_A1,
+				   default_lna_gain);
+	rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG2, word);
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &word);
+	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET0)) > 10)
+		rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET0, 0);
+	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET1)) > 10)
+		rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET1, 0);
+	rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A, word);
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &word);
+	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A2_OFFSET2)) > 10)
+		rt2x00_set_field16(&word, EEPROM_RSSI_A2_OFFSET2, 0);
+	if (rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0x00 ||
+	    rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0xff)
+		rt2x00_set_field16(&word, EEPROM_RSSI_A2_LNA_A2,
+				   default_lna_gain);
+	rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A2, word);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(rt2800_validate_eeprom);
+
+int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
+{
+	u32 reg;
+	u16 value;
+	u16 eeprom;
+
+	/*
+	 * Read EEPROM word for configuration.
+	 */
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
+
+	/*
+	 * Identify RF chipset.
+	 */
+	value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
+	rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
+
+	if (rt2x00_intf_is_usb(rt2x00dev)) {
+		struct rt2x00_chip *chip = &rt2x00dev->chip;
+
+		rt2x00_set_chip(rt2x00dev, RT2870, value, reg);
+
+		/*
+		 * The check for rt2860 is not a typo, some rt2870 hardware
+		 * identifies itself as rt2860 in the CSR register.
+		 */
+		if (!rt2x00_check_rev(chip, 0xfff00000, 0x28600000) &&
+		    !rt2x00_check_rev(chip, 0xfff00000, 0x28700000) &&
+		    !rt2x00_check_rev(chip, 0xfff00000, 0x28800000) &&
+		    !rt2x00_check_rev(chip, 0xffff0000, 0x30700000)) {
+			ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
+			return -ENODEV;
+		}
+	} else if (rt2x00_intf_is_pci(rt2x00dev))
+		rt2x00_set_chip_rf(rt2x00dev, value, reg);
+
+	if (!rt2x00_rf(&rt2x00dev->chip, RF2820) &&
+	    !rt2x00_rf(&rt2x00dev->chip, RF2850) &&
+	    !rt2x00_rf(&rt2x00dev->chip, RF2720) &&
+	    !rt2x00_rf(&rt2x00dev->chip, RF2750) &&
+	    !rt2x00_rf(&rt2x00dev->chip, RF3020) &&
+	    !rt2x00_rf(&rt2x00dev->chip, RF2020) &&
+	    (rt2x00_intf_is_usb(rt2x00dev) ||
+	     (rt2x00_intf_is_pci(rt2x00dev) &&
+	      !rt2x00_rf(&rt2x00dev->chip, RF3021) &&
+	      !rt2x00_rf(&rt2x00dev->chip, RF3022)))) {
+		ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
+		return -ENODEV;
+	}
+
+	/*
+	 * Identify default antenna configuration.
+	 */
+	rt2x00dev->default_ant.tx =
+	    rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH);
+	rt2x00dev->default_ant.rx =
+	    rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH);
+
+	/*
+	 * Read frequency offset and RF programming sequence.
+	 */
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
+	rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
+
+	/*
+	 * Read external LNA informations.
+	 */
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
+
+	if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_A))
+		__set_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
+	if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_BG))
+		__set_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
+
+	/*
+	 * Detect if this device has an hardware controlled radio.
+	 */
+	if (rt2x00_get_field16(eeprom, EEPROM_NIC_HW_RADIO))
+		__set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
+
+	/*
+	 * Store led settings, for correct led behaviour.
+	 */
+#ifdef CONFIG_RT2X00_LIB_LEDS
+	rt2800_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
+	rt2800_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
+	rt2800_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY);
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &rt2x00dev->led_mcu_reg);
+#endif /* CONFIG_RT2X00_LIB_LEDS */
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(rt2800_init_eeprom);
+
 /*
  * IEEE80211 stack callback functions.
  */
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.h b/drivers/net/wireless/rt2x00/rt2800lib.h
index 5eea8fcba6c..da447114c83 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.h
+++ b/drivers/net/wireless/rt2x00/rt2800lib.h
@@ -129,6 +129,9 @@ int rt2800_init_registers(struct rt2x00_dev *rt2x00dev);
 int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev);
 int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev);
 
+int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev);
+int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev);
+
 extern const struct ieee80211_ops rt2800_mac80211_ops;
 
 #endif /* RT2800LIB_H */
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 67081a4f04b..06d9835bbc5 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -1091,109 +1091,6 @@ static irqreturn_t rt2800pci_interrupt(int irq, void *dev_instance)
 /*
  * Device probe functions.
  */
-static int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
-{
-	u16 word;
-	u8 *mac;
-	u8 default_lna_gain;
-
-	/*
-	 * Start validation of the data that has been read.
-	 */
-	mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
-	if (!is_valid_ether_addr(mac)) {
-		random_ether_addr(mac);
-		EEPROM(rt2x00dev, "MAC: %pM\n", mac);
-	}
-
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
-	if (word == 0xffff) {
-		rt2x00_set_field16(&word, EEPROM_ANTENNA_RXPATH, 2);
-		rt2x00_set_field16(&word, EEPROM_ANTENNA_TXPATH, 1);
-		rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2820);
-		rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
-		EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
-	} else if (rt2x00_rev(&rt2x00dev->chip) < RT2883_VERSION) {
-		/*
-		 * There is a max of 2 RX streams for RT28x0 series
-		 */
-		if (rt2x00_get_field16(word, EEPROM_ANTENNA_RXPATH) > 2)
-			rt2x00_set_field16(&word, EEPROM_ANTENNA_RXPATH, 2);
-		rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
-	}
-
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
-	if (word == 0xffff) {
-		rt2x00_set_field16(&word, EEPROM_NIC_HW_RADIO, 0);
-		rt2x00_set_field16(&word, EEPROM_NIC_DYNAMIC_TX_AGC, 0);
-		rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_BG, 0);
-		rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_A, 0);
-		rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
-		rt2x00_set_field16(&word, EEPROM_NIC_BW40M_SB_BG, 0);
-		rt2x00_set_field16(&word, EEPROM_NIC_BW40M_SB_A, 0);
-		rt2x00_set_field16(&word, EEPROM_NIC_WPS_PBC, 0);
-		rt2x00_set_field16(&word, EEPROM_NIC_BW40M_BG, 0);
-		rt2x00_set_field16(&word, EEPROM_NIC_BW40M_A, 0);
-		rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
-		EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
-	}
-
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word);
-	if ((word & 0x00ff) == 0x00ff) {
-		rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
-		rt2x00_set_field16(&word, EEPROM_FREQ_LED_MODE,
-				   LED_MODE_TXRX_ACTIVITY);
-		rt2x00_set_field16(&word, EEPROM_FREQ_LED_POLARITY, 0);
-		rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
-		rt2x00_eeprom_write(rt2x00dev, EEPROM_LED1, 0x5555);
-		rt2x00_eeprom_write(rt2x00dev, EEPROM_LED2, 0x2221);
-		rt2x00_eeprom_write(rt2x00dev, EEPROM_LED3, 0xa9f8);
-		EEPROM(rt2x00dev, "Freq: 0x%04x\n", word);
-	}
-
-	/*
-	 * During the LNA validation we are going to use
-	 * lna0 as correct value. Note that EEPROM_LNA
-	 * is never validated.
-	 */
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &word);
-	default_lna_gain = rt2x00_get_field16(word, EEPROM_LNA_A0);
-
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &word);
-	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET0)) > 10)
-		rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET0, 0);
-	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET1)) > 10)
-		rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET1, 0);
-	rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG, word);
-
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &word);
-	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG2_OFFSET2)) > 10)
-		rt2x00_set_field16(&word, EEPROM_RSSI_BG2_OFFSET2, 0);
-	if (rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0x00 ||
-	    rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0xff)
-		rt2x00_set_field16(&word, EEPROM_RSSI_BG2_LNA_A1,
-				   default_lna_gain);
-	rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG2, word);
-
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &word);
-	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET0)) > 10)
-		rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET0, 0);
-	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET1)) > 10)
-		rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET1, 0);
-	rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A, word);
-
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &word);
-	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A2_OFFSET2)) > 10)
-		rt2x00_set_field16(&word, EEPROM_RSSI_A2_OFFSET2, 0);
-	if (rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0x00 ||
-	    rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0xff)
-		rt2x00_set_field16(&word, EEPROM_RSSI_A2_LNA_A2,
-				   default_lna_gain);
-	rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A2, word);
-
-	return 0;
-}
-
 static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
 {
 	/*
@@ -1215,84 +1112,6 @@ static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
 	return rt2800_validate_eeprom(rt2x00dev);
 }
 
-static int rt2800pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
-{
-	u32 reg;
-	u16 value;
-	u16 eeprom;
-
-	/*
-	 * Read EEPROM word for configuration.
-	 */
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
-
-	/*
-	 * Identify RF chipset.
-	 */
-	value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
-	rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
-
-	if (rt2x00_intf_is_pci(rt2x00dev))
-		rt2x00_set_chip_rf(rt2x00dev, value, reg);
-
-	if (!rt2x00_rf(&rt2x00dev->chip, RF2820) &&
-	    !rt2x00_rf(&rt2x00dev->chip, RF2850) &&
-	    !rt2x00_rf(&rt2x00dev->chip, RF2720) &&
-	    !rt2x00_rf(&rt2x00dev->chip, RF2750) &&
-	    !rt2x00_rf(&rt2x00dev->chip, RF3020) &&
-	    !rt2x00_rf(&rt2x00dev->chip, RF2020) &&
-	    (rt2x00_intf_is_usb(rt2x00dev) ||
-	     (rt2x00_intf_is_pci(rt2x00dev) &&
-	      !rt2x00_rf(&rt2x00dev->chip, RF3021) &&
-	      !rt2x00_rf(&rt2x00dev->chip, RF3022)))) {
-		ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
-		return -ENODEV;
-	}
-
-	/*
-	 * Identify default antenna configuration.
-	 */
-	rt2x00dev->default_ant.tx =
-	    rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH);
-	rt2x00dev->default_ant.rx =
-	    rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH);
-
-	/*
-	 * Read frequency offset and RF programming sequence.
-	 */
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
-	rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
-
-	/*
-	 * Read external LNA informations.
-	 */
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
-
-	if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_A))
-		__set_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
-	if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_BG))
-		__set_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
-
-	/*
-	 * Detect if this device has an hardware controlled radio.
-	 */
-	if (rt2x00_get_field16(eeprom, EEPROM_NIC_HW_RADIO))
-		__set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
-
-	/*
-	 * Store led settings, for correct led behaviour.
-	 */
-#ifdef CONFIG_RT2X00_LIB_LEDS
-	rt2800_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
-	rt2800_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
-	rt2800_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY);
-
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &rt2x00dev->led_mcu_reg);
-#endif /* CONFIG_RT2X00_LIB_LEDS */
-
-	return 0;
-}
-
 /*
  * RF value list for rt2860
  * Supports: 2.4 GHz (all) & 5.2 GHz (RF2850 & RF2750)
@@ -1497,7 +1316,7 @@ static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev)
 	if (retval)
 		return retval;
 
-	retval = rt2800pci_init_eeprom(rt2x00dev);
+	retval = rt2800_init_eeprom(rt2x00dev);
 	if (retval)
 		return retval;
 
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 080947cc5d6..347c14df63c 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -665,109 +665,6 @@ static void rt2800usb_fill_rxdone(struct queue_entry *entry,
 /*
  * Device probe functions.
  */
-static int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
-{
-	u16 word;
-	u8 *mac;
-	u8 default_lna_gain;
-
-	/*
-	 * Start validation of the data that has been read.
-	 */
-	mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
-	if (!is_valid_ether_addr(mac)) {
-		random_ether_addr(mac);
-		EEPROM(rt2x00dev, "MAC: %pM\n", mac);
-	}
-
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
-	if (word == 0xffff) {
-		rt2x00_set_field16(&word, EEPROM_ANTENNA_RXPATH, 2);
-		rt2x00_set_field16(&word, EEPROM_ANTENNA_TXPATH, 1);
-		rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2820);
-		rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
-		EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
-	} else if (rt2x00_rev(&rt2x00dev->chip) < RT2883_VERSION) {
-		/*
-		 * There is a max of 2 RX streams for RT28x0 series
-		 */
-		if (rt2x00_get_field16(word, EEPROM_ANTENNA_RXPATH) > 2)
-			rt2x00_set_field16(&word, EEPROM_ANTENNA_RXPATH, 2);
-		rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
-	}
-
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
-	if (word == 0xffff) {
-		rt2x00_set_field16(&word, EEPROM_NIC_HW_RADIO, 0);
-		rt2x00_set_field16(&word, EEPROM_NIC_DYNAMIC_TX_AGC, 0);
-		rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_BG, 0);
-		rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_A, 0);
-		rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
-		rt2x00_set_field16(&word, EEPROM_NIC_BW40M_SB_BG, 0);
-		rt2x00_set_field16(&word, EEPROM_NIC_BW40M_SB_A, 0);
-		rt2x00_set_field16(&word, EEPROM_NIC_WPS_PBC, 0);
-		rt2x00_set_field16(&word, EEPROM_NIC_BW40M_BG, 0);
-		rt2x00_set_field16(&word, EEPROM_NIC_BW40M_A, 0);
-		rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
-		EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
-	}
-
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word);
-	if ((word & 0x00ff) == 0x00ff) {
-		rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
-		rt2x00_set_field16(&word, EEPROM_FREQ_LED_MODE,
-				   LED_MODE_TXRX_ACTIVITY);
-		rt2x00_set_field16(&word, EEPROM_FREQ_LED_POLARITY, 0);
-		rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
-		rt2x00_eeprom_write(rt2x00dev, EEPROM_LED1, 0x5555);
-		rt2x00_eeprom_write(rt2x00dev, EEPROM_LED2, 0x2221);
-		rt2x00_eeprom_write(rt2x00dev, EEPROM_LED3, 0xa9f8);
-		EEPROM(rt2x00dev, "Freq: 0x%04x\n", word);
-	}
-
-	/*
-	 * During the LNA validation we are going to use
-	 * lna0 as correct value. Note that EEPROM_LNA
-	 * is never validated.
-	 */
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &word);
-	default_lna_gain = rt2x00_get_field16(word, EEPROM_LNA_A0);
-
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &word);
-	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET0)) > 10)
-		rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET0, 0);
-	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET1)) > 10)
-		rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET1, 0);
-	rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG, word);
-
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &word);
-	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG2_OFFSET2)) > 10)
-		rt2x00_set_field16(&word, EEPROM_RSSI_BG2_OFFSET2, 0);
-	if (rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0x00 ||
-	    rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0xff)
-		rt2x00_set_field16(&word, EEPROM_RSSI_BG2_LNA_A1,
-				   default_lna_gain);
-	rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG2, word);
-
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &word);
-	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET0)) > 10)
-		rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET0, 0);
-	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET1)) > 10)
-		rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET1, 0);
-	rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A, word);
-
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &word);
-	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A2_OFFSET2)) > 10)
-		rt2x00_set_field16(&word, EEPROM_RSSI_A2_OFFSET2, 0);
-	if (rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0x00 ||
-	    rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0xff)
-		rt2x00_set_field16(&word, EEPROM_RSSI_A2_LNA_A2,
-				   default_lna_gain);
-	rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A2, word);
-
-	return 0;
-}
-
 static int rt2800usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
 {
 	rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE);
@@ -775,96 +672,6 @@ static int rt2800usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
 	return rt2800_validate_eeprom(rt2x00dev);
 }
 
-static int rt2800usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
-{
-	u32 reg;
-	u16 value;
-	u16 eeprom;
-
-	/*
-	 * Read EEPROM word for configuration.
-	 */
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
-
-	/*
-	 * Identify RF chipset.
-	 */
-	value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
-	rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
-
-	if (rt2x00_intf_is_usb(rt2x00dev)) {
-		struct rt2x00_chip *chip = &rt2x00dev->chip;
-
-		rt2x00_set_chip(rt2x00dev, RT2870, value, reg);
-
-		/*
-		 * The check for rt2860 is not a typo, some rt2870 hardware
-		 * identifies itself as rt2860 in the CSR register.
-		 */
-		if (!rt2x00_check_rev(chip, 0xfff00000, 0x28600000) &&
-		    !rt2x00_check_rev(chip, 0xfff00000, 0x28700000) &&
-		    !rt2x00_check_rev(chip, 0xfff00000, 0x28800000) &&
-		    !rt2x00_check_rev(chip, 0xffff0000, 0x30700000)) {
-			ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
-			return -ENODEV;
-		}
-	}
-
-	if (!rt2x00_rf(&rt2x00dev->chip, RF2820) &&
-	    !rt2x00_rf(&rt2x00dev->chip, RF2850) &&
-	    !rt2x00_rf(&rt2x00dev->chip, RF2720) &&
-	    !rt2x00_rf(&rt2x00dev->chip, RF2750) &&
-	    !rt2x00_rf(&rt2x00dev->chip, RF3020) &&
-	    !rt2x00_rf(&rt2x00dev->chip, RF2020)) {
-		ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
-		return -ENODEV;
-	}
-
-	/*
-	 * Identify default antenna configuration.
-	 */
-	rt2x00dev->default_ant.tx =
-	    rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH);
-	rt2x00dev->default_ant.rx =
-	    rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH);
-
-	/*
-	 * Read frequency offset and RF programming sequence.
-	 */
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
-	rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
-
-	/*
-	 * Read external LNA informations.
-	 */
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
-
-	if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_A))
-		__set_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
-	if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_BG))
-		__set_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
-
-	/*
-	 * Detect if this device has an hardware controlled radio.
-	 */
-	if (rt2x00_get_field16(eeprom, EEPROM_NIC_HW_RADIO))
-		__set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
-
-	/*
-	 * Store led settings, for correct led behaviour.
-	 */
-#ifdef CONFIG_RT2X00_LIB_LEDS
-	rt2800_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
-	rt2800_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
-	rt2800_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY);
-
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ,
-			   &rt2x00dev->led_mcu_reg);
-#endif /* CONFIG_RT2X00_LIB_LEDS */
-
-	return 0;
-}
-
 /*
  * RF value list for rt2870
  * Supports: 2.4 GHz (all) & 5.2 GHz (RF2850 & RF2750)
@@ -1093,7 +900,7 @@ static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
 	if (retval)
 		return retval;
 
-	retval = rt2800usb_init_eeprom(rt2x00dev);
+	retval = rt2800_init_eeprom(rt2x00dev);
 	if (retval)
 		return retval;
 
-- 
GitLab


From 4d685e550b5ace42fdf6d72506bab6e7ae93e669 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Sun, 8 Nov 2009 14:39:09 +0100
Subject: [PATCH 1164/1815] rt2800pci: add missing RF values to rf_vals table

rt2800pci's rf_vals[] copy was missing values for some channels.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800pci.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 06d9835bbc5..f9ab3726d7f 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -1172,6 +1172,10 @@ static const struct rf_channel rf_vals[] = {
 	{ 159, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed1a7 },
 	{ 161, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed187 },
 	{ 165, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed197 },
+	{ 167, 0x18402ec4, 0x184c03d2, 0x18179855, 0x1815531f },
+	{ 169, 0x18402ec4, 0x184c03d2, 0x18179855, 0x18155327 },
+	{ 171, 0x18402ec4, 0x184c03d6, 0x18179855, 0x18155307 },
+	{ 173, 0x18402ec4, 0x184c03d6, 0x18179855, 0x1815530f },
 
 	/* 802.11 Japan */
 	{ 184, 0x15002ccc, 0x1500491e, 0x1509be55, 0x150c0a0b },
-- 
GitLab


From 726984b61e744c1fef72d20e56eadd0864ecb240 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Sun, 8 Nov 2009 14:39:16 +0100
Subject: [PATCH 1165/1815] rt2800usb: reorganize code in
 rt2800usb_probe_hw_mode()

Move hw_mode information initialization code block before
HT information initialization one to match the ordering used
by rt2800pci's rt2800pci_probe_hw_mode().

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800usb.c | 42 ++++++++++++-------------
 1 file changed, 21 insertions(+), 21 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 347c14df63c..36acb384f32 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -794,6 +794,27 @@ static int rt2800usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 
 	rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
 
+	/*
+	 * Initialize hw_mode information.
+	 */
+	spec->supported_bands = SUPPORT_BAND_2GHZ;
+	spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
+
+	if (rt2x00_rf(&rt2x00dev->chip, RF2820) ||
+	    rt2x00_rf(&rt2x00dev->chip, RF2720)) {
+		spec->num_channels = 14;
+		spec->channels = rf_vals;
+	} else if (rt2x00_rf(&rt2x00dev->chip, RF2850) ||
+		   rt2x00_rf(&rt2x00dev->chip, RF2750)) {
+		spec->supported_bands |= SUPPORT_BAND_5GHZ;
+		spec->num_channels = ARRAY_SIZE(rf_vals);
+		spec->channels = rf_vals;
+	} else if (rt2x00_rf(&rt2x00dev->chip, RF3020) ||
+		   rt2x00_rf(&rt2x00dev->chip, RF2020)) {
+		spec->num_channels = ARRAY_SIZE(rf_vals_3070);
+		spec->channels = rf_vals_3070;
+	}
+
 	/*
 	 * Initialize HT information.
 	 */
@@ -825,27 +846,6 @@ static int rt2800usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 		break;
 	}
 
-	/*
-	 * Initialize hw_mode information.
-	 */
-	spec->supported_bands = SUPPORT_BAND_2GHZ;
-	spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
-
-	if (rt2x00_rf(&rt2x00dev->chip, RF2820) ||
-	    rt2x00_rf(&rt2x00dev->chip, RF2720)) {
-		spec->num_channels = 14;
-		spec->channels = rf_vals;
-	} else if (rt2x00_rf(&rt2x00dev->chip, RF2850) ||
-		   rt2x00_rf(&rt2x00dev->chip, RF2750)) {
-		spec->supported_bands |= SUPPORT_BAND_5GHZ;
-		spec->num_channels = ARRAY_SIZE(rf_vals);
-		spec->channels = rf_vals;
-	} else if (rt2x00_rf(&rt2x00dev->chip, RF3020) ||
-		   rt2x00_rf(&rt2x00dev->chip, RF2020)) {
-		spec->num_channels = ARRAY_SIZE(rf_vals_3070);
-		spec->channels = rf_vals_3070;
-	}
-
 	/*
 	 * Create channel information array
 	 */
-- 
GitLab


From f2b38cbfd98eb36799f45178c73b2ed81402abd8 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Sun, 8 Nov 2009 14:39:25 +0100
Subject: [PATCH 1166/1815] rt2800: prepare for rt2800*_probe_hw_mode()
 unification

Enclose interface specific code in rt2800[pci,usb]_probe_hw_mode()
with rt2x00_intf_is_[pci,usb]() checks.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800pci.c | 24 ++++++++++++++----------
 drivers/net/wireless/rt2x00/rt2800usb.c | 19 ++++++++++++-------
 2 files changed, 26 insertions(+), 17 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index f9ab3726d7f..c6077906950 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -1189,6 +1189,7 @@ static const struct rf_channel rf_vals[] = {
 
 static int rt2800pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 {
+	struct rt2x00_chip *chip = &rt2x00dev->chip;
 	struct hw_mode_spec *spec = &rt2x00dev->spec;
 	struct channel_info *info;
 	char *tx_power1;
@@ -1204,7 +1205,9 @@ static int rt2800pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 	    IEEE80211_HW_SIGNAL_DBM |
 	    IEEE80211_HW_SUPPORTS_PS |
 	    IEEE80211_HW_PS_NULLFUNC_STACK;
-	rt2x00dev->hw->extra_tx_headroom = TXWI_DESC_SIZE;
+
+	if (rt2x00_intf_is_pci(rt2x00dev))
+		rt2x00dev->hw->extra_tx_headroom = TXWI_DESC_SIZE;
 
 	SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
 	SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
@@ -1219,17 +1222,18 @@ static int rt2800pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 	spec->supported_bands = SUPPORT_BAND_2GHZ;
 	spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
 
-	if (rt2x00_rf(&rt2x00dev->chip, RF2820) ||
-	    rt2x00_rf(&rt2x00dev->chip, RF2720) ||
-	    rt2x00_rf(&rt2x00dev->chip, RF3020) ||
-	    rt2x00_rf(&rt2x00dev->chip, RF3021) ||
-	    rt2x00_rf(&rt2x00dev->chip, RF3022) ||
-	    rt2x00_rf(&rt2x00dev->chip, RF2020) ||
-	    rt2x00_rf(&rt2x00dev->chip, RF3052)) {
+	if (rt2x00_rf(chip, RF2820) ||
+	    rt2x00_rf(chip, RF2720) ||
+	    (rt2x00_intf_is_pci(rt2x00dev) &&
+	     (rt2x00_rf(chip, RF3020) ||
+	      rt2x00_rf(chip, RF3021) ||
+	      rt2x00_rf(chip, RF3022) ||
+	      rt2x00_rf(chip, RF2020) ||
+	      rt2x00_rf(chip, RF3052)))) {
 		spec->num_channels = 14;
 		spec->channels = rf_vals;
-	} else if (rt2x00_rf(&rt2x00dev->chip, RF2850) ||
-		   rt2x00_rf(&rt2x00dev->chip, RF2750)) {
+	} else if (rt2x00_rf(chip, RF2850) ||
+		   rt2x00_rf(chip, RF2750)) {
 		spec->supported_bands |= SUPPORT_BAND_5GHZ;
 		spec->num_channels = ARRAY_SIZE(rf_vals);
 		spec->channels = rf_vals;
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 36acb384f32..e86858a0e19 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -770,6 +770,7 @@ static const struct rf_channel rf_vals_3070[] = {
 
 static int rt2800usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 {
+	struct rt2x00_chip *chip = &rt2x00dev->chip;
 	struct hw_mode_spec *spec = &rt2x00dev->spec;
 	struct channel_info *info;
 	char *tx_power1;
@@ -785,7 +786,10 @@ static int rt2800usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 	    IEEE80211_HW_SIGNAL_DBM |
 	    IEEE80211_HW_SUPPORTS_PS |
 	    IEEE80211_HW_PS_NULLFUNC_STACK;
-	rt2x00dev->hw->extra_tx_headroom = TXINFO_DESC_SIZE + TXWI_DESC_SIZE;
+
+	if (rt2x00_intf_is_usb(rt2x00dev))
+		rt2x00dev->hw->extra_tx_headroom =
+			TXINFO_DESC_SIZE + TXWI_DESC_SIZE;
 
 	SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
 	SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
@@ -800,17 +804,18 @@ static int rt2800usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 	spec->supported_bands = SUPPORT_BAND_2GHZ;
 	spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
 
-	if (rt2x00_rf(&rt2x00dev->chip, RF2820) ||
-	    rt2x00_rf(&rt2x00dev->chip, RF2720)) {
+	if (rt2x00_rf(chip, RF2820) ||
+	    rt2x00_rf(chip, RF2720)) {
 		spec->num_channels = 14;
 		spec->channels = rf_vals;
-	} else if (rt2x00_rf(&rt2x00dev->chip, RF2850) ||
-		   rt2x00_rf(&rt2x00dev->chip, RF2750)) {
+	} else if (rt2x00_rf(chip, RF2850) ||
+		   rt2x00_rf(chip, RF2750)) {
 		spec->supported_bands |= SUPPORT_BAND_5GHZ;
 		spec->num_channels = ARRAY_SIZE(rf_vals);
 		spec->channels = rf_vals;
-	} else if (rt2x00_rf(&rt2x00dev->chip, RF3020) ||
-		   rt2x00_rf(&rt2x00dev->chip, RF2020)) {
+	} else if (rt2x00_intf_is_usb(rt2x00dev) &&
+		    (rt2x00_rf(chip, RF3020) ||
+		     rt2x00_rf(chip, RF2020))) {
 		spec->num_channels = ARRAY_SIZE(rf_vals_3070);
 		spec->channels = rf_vals_3070;
 	}
-- 
GitLab


From 4da2933fe1f2d3d9ed548660f5c02a9b0608a8c7 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Sun, 8 Nov 2009 14:39:32 +0100
Subject: [PATCH 1167/1815] rt2800: unify rt2800*_probe_hw_mode()

Add rf_vals tables and rt2800_probe_hw_mode() to rt2800lib.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800lib.c | 218 ++++++++++++++++++++++++
 drivers/net/wireless/rt2x00/rt2800lib.h |   1 +
 drivers/net/wireless/rt2x00/rt2800pci.c | 190 +--------------------
 drivers/net/wireless/rt2x00/rt2800usb.c | 211 +----------------------
 4 files changed, 221 insertions(+), 399 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 2c211199e56..d7771eaee04 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -1858,6 +1858,224 @@ int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
 }
 EXPORT_SYMBOL_GPL(rt2800_init_eeprom);
 
+/*
+ * RF value list for rt28x0
+ * Supports: 2.4 GHz (all) & 5.2 GHz (RF2850 & RF2750)
+ */
+static const struct rf_channel rf_vals[] = {
+	{ 1,  0x18402ecc, 0x184c0786, 0x1816b455, 0x1800510b },
+	{ 2,  0x18402ecc, 0x184c0786, 0x18168a55, 0x1800519f },
+	{ 3,  0x18402ecc, 0x184c078a, 0x18168a55, 0x1800518b },
+	{ 4,  0x18402ecc, 0x184c078a, 0x18168a55, 0x1800519f },
+	{ 5,  0x18402ecc, 0x184c078e, 0x18168a55, 0x1800518b },
+	{ 6,  0x18402ecc, 0x184c078e, 0x18168a55, 0x1800519f },
+	{ 7,  0x18402ecc, 0x184c0792, 0x18168a55, 0x1800518b },
+	{ 8,  0x18402ecc, 0x184c0792, 0x18168a55, 0x1800519f },
+	{ 9,  0x18402ecc, 0x184c0796, 0x18168a55, 0x1800518b },
+	{ 10, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800519f },
+	{ 11, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800518b },
+	{ 12, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800519f },
+	{ 13, 0x18402ecc, 0x184c079e, 0x18168a55, 0x1800518b },
+	{ 14, 0x18402ecc, 0x184c07a2, 0x18168a55, 0x18005193 },
+
+	/* 802.11 UNI / HyperLan 2 */
+	{ 36, 0x18402ecc, 0x184c099a, 0x18158a55, 0x180ed1a3 },
+	{ 38, 0x18402ecc, 0x184c099e, 0x18158a55, 0x180ed193 },
+	{ 40, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed183 },
+	{ 44, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed1a3 },
+	{ 46, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed18b },
+	{ 48, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed19b },
+	{ 52, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed193 },
+	{ 54, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed1a3 },
+	{ 56, 0x18402ec8, 0x184c068e, 0x18158a55, 0x180ed18b },
+	{ 60, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed183 },
+	{ 62, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed193 },
+	{ 64, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed1a3 },
+
+	/* 802.11 HyperLan 2 */
+	{ 100, 0x18402ec8, 0x184c06b2, 0x18178a55, 0x180ed783 },
+	{ 102, 0x18402ec8, 0x184c06b2, 0x18578a55, 0x180ed793 },
+	{ 104, 0x18402ec8, 0x185c06b2, 0x18578a55, 0x180ed1a3 },
+	{ 108, 0x18402ecc, 0x185c0a32, 0x18578a55, 0x180ed193 },
+	{ 110, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed183 },
+	{ 112, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed19b },
+	{ 116, 0x18402ecc, 0x184c0a3a, 0x18178a55, 0x180ed1a3 },
+	{ 118, 0x18402ecc, 0x184c0a3e, 0x18178a55, 0x180ed193 },
+	{ 120, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed183 },
+	{ 124, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed193 },
+	{ 126, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed15b },
+	{ 128, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed1a3 },
+	{ 132, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed18b },
+	{ 134, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed193 },
+	{ 136, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed19b },
+	{ 140, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed183 },
+
+	/* 802.11 UNII */
+	{ 149, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed1a7 },
+	{ 151, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed187 },
+	{ 153, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed18f },
+	{ 157, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed19f },
+	{ 159, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed1a7 },
+	{ 161, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed187 },
+	{ 165, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed197 },
+	{ 167, 0x18402ec4, 0x184c03d2, 0x18179855, 0x1815531f },
+	{ 169, 0x18402ec4, 0x184c03d2, 0x18179855, 0x18155327 },
+	{ 171, 0x18402ec4, 0x184c03d6, 0x18179855, 0x18155307 },
+	{ 173, 0x18402ec4, 0x184c03d6, 0x18179855, 0x1815530f },
+
+	/* 802.11 Japan */
+	{ 184, 0x15002ccc, 0x1500491e, 0x1509be55, 0x150c0a0b },
+	{ 188, 0x15002ccc, 0x15004922, 0x1509be55, 0x150c0a13 },
+	{ 192, 0x15002ccc, 0x15004926, 0x1509be55, 0x150c0a1b },
+	{ 196, 0x15002ccc, 0x1500492a, 0x1509be55, 0x150c0a23 },
+	{ 208, 0x15002ccc, 0x1500493a, 0x1509be55, 0x150c0a13 },
+	{ 212, 0x15002ccc, 0x1500493e, 0x1509be55, 0x150c0a1b },
+	{ 216, 0x15002ccc, 0x15004982, 0x1509be55, 0x150c0a23 },
+};
+
+/*
+ * RF value list for rt3070
+ * Supports: 2.4 GHz
+ */
+static const struct rf_channel rf_vals_3070[] = {
+	{1,  241, 2, 2 },
+	{2,  241, 2, 7 },
+	{3,  242, 2, 2 },
+	{4,  242, 2, 7 },
+	{5,  243, 2, 2 },
+	{6,  243, 2, 7 },
+	{7,  244, 2, 2 },
+	{8,  244, 2, 7 },
+	{9,  245, 2, 2 },
+	{10, 245, 2, 7 },
+	{11, 246, 2, 2 },
+	{12, 246, 2, 7 },
+	{13, 247, 2, 2 },
+	{14, 248, 2, 4 },
+};
+
+int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
+{
+	struct rt2x00_chip *chip = &rt2x00dev->chip;
+	struct hw_mode_spec *spec = &rt2x00dev->spec;
+	struct channel_info *info;
+	char *tx_power1;
+	char *tx_power2;
+	unsigned int i;
+	u16 eeprom;
+
+	/*
+	 * Initialize all hw fields.
+	 */
+	rt2x00dev->hw->flags =
+	    IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
+	    IEEE80211_HW_SIGNAL_DBM |
+	    IEEE80211_HW_SUPPORTS_PS |
+	    IEEE80211_HW_PS_NULLFUNC_STACK;
+
+	if (rt2x00_intf_is_usb(rt2x00dev))
+		rt2x00dev->hw->extra_tx_headroom =
+			TXINFO_DESC_SIZE + TXWI_DESC_SIZE;
+	else if (rt2x00_intf_is_pci(rt2x00dev))
+		rt2x00dev->hw->extra_tx_headroom = TXWI_DESC_SIZE;
+
+	SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
+	SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
+				rt2x00_eeprom_addr(rt2x00dev,
+						   EEPROM_MAC_ADDR_0));
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
+
+	/*
+	 * Initialize hw_mode information.
+	 */
+	spec->supported_bands = SUPPORT_BAND_2GHZ;
+	spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
+
+	if (rt2x00_rf(chip, RF2820) ||
+	    rt2x00_rf(chip, RF2720) ||
+	    (rt2x00_intf_is_pci(rt2x00dev) &&
+	     (rt2x00_rf(chip, RF3020) ||
+	      rt2x00_rf(chip, RF3021) ||
+	      rt2x00_rf(chip, RF3022) ||
+	      rt2x00_rf(chip, RF2020) ||
+	      rt2x00_rf(chip, RF3052)))) {
+		spec->num_channels = 14;
+		spec->channels = rf_vals;
+	} else if (rt2x00_rf(chip, RF2850) ||
+		   rt2x00_rf(chip, RF2750)) {
+		spec->supported_bands |= SUPPORT_BAND_5GHZ;
+		spec->num_channels = ARRAY_SIZE(rf_vals);
+		spec->channels = rf_vals;
+	} else if (rt2x00_intf_is_usb(rt2x00dev) &&
+		    (rt2x00_rf(chip, RF3020) ||
+		     rt2x00_rf(chip, RF2020))) {
+		spec->num_channels = ARRAY_SIZE(rf_vals_3070);
+		spec->channels = rf_vals_3070;
+	}
+
+	/*
+	 * Initialize HT information.
+	 */
+	spec->ht.ht_supported = true;
+	spec->ht.cap =
+	    IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
+	    IEEE80211_HT_CAP_GRN_FLD |
+	    IEEE80211_HT_CAP_SGI_20 |
+	    IEEE80211_HT_CAP_SGI_40 |
+	    IEEE80211_HT_CAP_TX_STBC |
+	    IEEE80211_HT_CAP_RX_STBC |
+	    IEEE80211_HT_CAP_PSMP_SUPPORT;
+	spec->ht.ampdu_factor = 3;
+	spec->ht.ampdu_density = 4;
+	spec->ht.mcs.tx_params =
+	    IEEE80211_HT_MCS_TX_DEFINED |
+	    IEEE80211_HT_MCS_TX_RX_DIFF |
+	    ((rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH) - 1) <<
+		IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
+
+	switch (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH)) {
+	case 3:
+		spec->ht.mcs.rx_mask[2] = 0xff;
+	case 2:
+		spec->ht.mcs.rx_mask[1] = 0xff;
+	case 1:
+		spec->ht.mcs.rx_mask[0] = 0xff;
+		spec->ht.mcs.rx_mask[4] = 0x1; /* MCS32 */
+		break;
+	}
+
+	/*
+	 * Create channel information array
+	 */
+	info = kzalloc(spec->num_channels * sizeof(*info), GFP_KERNEL);
+	if (!info)
+		return -ENOMEM;
+
+	spec->channels_info = info;
+
+	tx_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG1);
+	tx_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG2);
+
+	for (i = 0; i < 14; i++) {
+		info[i].tx_power1 = TXPOWER_G_FROM_DEV(tx_power1[i]);
+		info[i].tx_power2 = TXPOWER_G_FROM_DEV(tx_power2[i]);
+	}
+
+	if (spec->num_channels > 14) {
+		tx_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A1);
+		tx_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A2);
+
+		for (i = 14; i < spec->num_channels; i++) {
+			info[i].tx_power1 = TXPOWER_A_FROM_DEV(tx_power1[i]);
+			info[i].tx_power2 = TXPOWER_A_FROM_DEV(tx_power2[i]);
+		}
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(rt2800_probe_hw_mode);
+
 /*
  * IEEE80211 stack callback functions.
  */
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.h b/drivers/net/wireless/rt2x00/rt2800lib.h
index da447114c83..2aa15f2b2c5 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.h
+++ b/drivers/net/wireless/rt2x00/rt2800lib.h
@@ -131,6 +131,7 @@ int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev);
 
 int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev);
 int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev);
+int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev);
 
 extern const struct ieee80211_ops rt2800_mac80211_ops;
 
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index c6077906950..e8fe2eabebb 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -1112,194 +1112,6 @@ static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
 	return rt2800_validate_eeprom(rt2x00dev);
 }
 
-/*
- * RF value list for rt2860
- * Supports: 2.4 GHz (all) & 5.2 GHz (RF2850 & RF2750)
- */
-static const struct rf_channel rf_vals[] = {
-	{ 1,  0x18402ecc, 0x184c0786, 0x1816b455, 0x1800510b },
-	{ 2,  0x18402ecc, 0x184c0786, 0x18168a55, 0x1800519f },
-	{ 3,  0x18402ecc, 0x184c078a, 0x18168a55, 0x1800518b },
-	{ 4,  0x18402ecc, 0x184c078a, 0x18168a55, 0x1800519f },
-	{ 5,  0x18402ecc, 0x184c078e, 0x18168a55, 0x1800518b },
-	{ 6,  0x18402ecc, 0x184c078e, 0x18168a55, 0x1800519f },
-	{ 7,  0x18402ecc, 0x184c0792, 0x18168a55, 0x1800518b },
-	{ 8,  0x18402ecc, 0x184c0792, 0x18168a55, 0x1800519f },
-	{ 9,  0x18402ecc, 0x184c0796, 0x18168a55, 0x1800518b },
-	{ 10, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800519f },
-	{ 11, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800518b },
-	{ 12, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800519f },
-	{ 13, 0x18402ecc, 0x184c079e, 0x18168a55, 0x1800518b },
-	{ 14, 0x18402ecc, 0x184c07a2, 0x18168a55, 0x18005193 },
-
-	/* 802.11 UNI / HyperLan 2 */
-	{ 36, 0x18402ecc, 0x184c099a, 0x18158a55, 0x180ed1a3 },
-	{ 38, 0x18402ecc, 0x184c099e, 0x18158a55, 0x180ed193 },
-	{ 40, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed183 },
-	{ 44, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed1a3 },
-	{ 46, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed18b },
-	{ 48, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed19b },
-	{ 52, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed193 },
-	{ 54, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed1a3 },
-	{ 56, 0x18402ec8, 0x184c068e, 0x18158a55, 0x180ed18b },
-	{ 60, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed183 },
-	{ 62, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed193 },
-	{ 64, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed1a3 },
-
-	/* 802.11 HyperLan 2 */
-	{ 100, 0x18402ec8, 0x184c06b2, 0x18178a55, 0x180ed783 },
-	{ 102, 0x18402ec8, 0x184c06b2, 0x18578a55, 0x180ed793 },
-	{ 104, 0x18402ec8, 0x185c06b2, 0x18578a55, 0x180ed1a3 },
-	{ 108, 0x18402ecc, 0x185c0a32, 0x18578a55, 0x180ed193 },
-	{ 110, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed183 },
-	{ 112, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed19b },
-	{ 116, 0x18402ecc, 0x184c0a3a, 0x18178a55, 0x180ed1a3 },
-	{ 118, 0x18402ecc, 0x184c0a3e, 0x18178a55, 0x180ed193 },
-	{ 120, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed183 },
-	{ 124, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed193 },
-	{ 126, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed15b },
-	{ 128, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed1a3 },
-	{ 132, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed18b },
-	{ 134, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed193 },
-	{ 136, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed19b },
-	{ 140, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed183 },
-
-	/* 802.11 UNII */
-	{ 149, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed1a7 },
-	{ 151, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed187 },
-	{ 153, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed18f },
-	{ 157, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed19f },
-	{ 159, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed1a7 },
-	{ 161, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed187 },
-	{ 165, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed197 },
-	{ 167, 0x18402ec4, 0x184c03d2, 0x18179855, 0x1815531f },
-	{ 169, 0x18402ec4, 0x184c03d2, 0x18179855, 0x18155327 },
-	{ 171, 0x18402ec4, 0x184c03d6, 0x18179855, 0x18155307 },
-	{ 173, 0x18402ec4, 0x184c03d6, 0x18179855, 0x1815530f },
-
-	/* 802.11 Japan */
-	{ 184, 0x15002ccc, 0x1500491e, 0x1509be55, 0x150c0a0b },
-	{ 188, 0x15002ccc, 0x15004922, 0x1509be55, 0x150c0a13 },
-	{ 192, 0x15002ccc, 0x15004926, 0x1509be55, 0x150c0a1b },
-	{ 196, 0x15002ccc, 0x1500492a, 0x1509be55, 0x150c0a23 },
-	{ 208, 0x15002ccc, 0x1500493a, 0x1509be55, 0x150c0a13 },
-	{ 212, 0x15002ccc, 0x1500493e, 0x1509be55, 0x150c0a1b },
-	{ 216, 0x15002ccc, 0x15004982, 0x1509be55, 0x150c0a23 },
-};
-
-static int rt2800pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
-{
-	struct rt2x00_chip *chip = &rt2x00dev->chip;
-	struct hw_mode_spec *spec = &rt2x00dev->spec;
-	struct channel_info *info;
-	char *tx_power1;
-	char *tx_power2;
-	unsigned int i;
-	u16 eeprom;
-
-	/*
-	 * Initialize all hw fields.
-	 */
-	rt2x00dev->hw->flags =
-	    IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
-	    IEEE80211_HW_SIGNAL_DBM |
-	    IEEE80211_HW_SUPPORTS_PS |
-	    IEEE80211_HW_PS_NULLFUNC_STACK;
-
-	if (rt2x00_intf_is_pci(rt2x00dev))
-		rt2x00dev->hw->extra_tx_headroom = TXWI_DESC_SIZE;
-
-	SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
-	SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
-				rt2x00_eeprom_addr(rt2x00dev,
-						   EEPROM_MAC_ADDR_0));
-
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
-
-	/*
-	 * Initialize hw_mode information.
-	 */
-	spec->supported_bands = SUPPORT_BAND_2GHZ;
-	spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
-
-	if (rt2x00_rf(chip, RF2820) ||
-	    rt2x00_rf(chip, RF2720) ||
-	    (rt2x00_intf_is_pci(rt2x00dev) &&
-	     (rt2x00_rf(chip, RF3020) ||
-	      rt2x00_rf(chip, RF3021) ||
-	      rt2x00_rf(chip, RF3022) ||
-	      rt2x00_rf(chip, RF2020) ||
-	      rt2x00_rf(chip, RF3052)))) {
-		spec->num_channels = 14;
-		spec->channels = rf_vals;
-	} else if (rt2x00_rf(chip, RF2850) ||
-		   rt2x00_rf(chip, RF2750)) {
-		spec->supported_bands |= SUPPORT_BAND_5GHZ;
-		spec->num_channels = ARRAY_SIZE(rf_vals);
-		spec->channels = rf_vals;
-	}
-
-	/*
-	 * Initialize HT information.
-	 */
-	spec->ht.ht_supported = true;
-	spec->ht.cap =
-	    IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
-	    IEEE80211_HT_CAP_GRN_FLD |
-	    IEEE80211_HT_CAP_SGI_20 |
-	    IEEE80211_HT_CAP_SGI_40 |
-	    IEEE80211_HT_CAP_TX_STBC |
-	    IEEE80211_HT_CAP_RX_STBC |
-	    IEEE80211_HT_CAP_PSMP_SUPPORT;
-	spec->ht.ampdu_factor = 3;
-	spec->ht.ampdu_density = 4;
-	spec->ht.mcs.tx_params =
-	    IEEE80211_HT_MCS_TX_DEFINED |
-	    IEEE80211_HT_MCS_TX_RX_DIFF |
-	    ((rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH) - 1) <<
-		IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
-
-	switch (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH)) {
-	case 3:
-		spec->ht.mcs.rx_mask[2] = 0xff;
-	case 2:
-		spec->ht.mcs.rx_mask[1] = 0xff;
-	case 1:
-		spec->ht.mcs.rx_mask[0] = 0xff;
-		spec->ht.mcs.rx_mask[4] = 0x1; /* MCS32 */
-		break;
-	}
-
-	/*
-	 * Create channel information array
-	 */
-	info = kzalloc(spec->num_channels * sizeof(*info), GFP_KERNEL);
-	if (!info)
-		return -ENOMEM;
-
-	spec->channels_info = info;
-
-	tx_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG1);
-	tx_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG2);
-
-	for (i = 0; i < 14; i++) {
-		info[i].tx_power1 = TXPOWER_G_FROM_DEV(tx_power1[i]);
-		info[i].tx_power2 = TXPOWER_G_FROM_DEV(tx_power2[i]);
-	}
-
-	if (spec->num_channels > 14) {
-		tx_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A1);
-		tx_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A2);
-
-		for (i = 14; i < spec->num_channels; i++) {
-			info[i].tx_power1 = TXPOWER_A_FROM_DEV(tx_power1[i]);
-			info[i].tx_power2 = TXPOWER_A_FROM_DEV(tx_power2[i]);
-		}
-	}
-
-	return 0;
-}
-
 static const struct rt2800_ops rt2800pci_rt2800_ops = {
 	.register_read		= rt2x00pci_register_read,
 	.register_write		= rt2x00pci_register_write,
@@ -1331,7 +1143,7 @@ static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev)
 	/*
 	 * Initialize hw specifications.
 	 */
-	retval = rt2800pci_probe_hw_mode(rt2x00dev);
+	retval = rt2800_probe_hw_mode(rt2x00dev);
 	if (retval)
 		return retval;
 
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index e86858a0e19..67bae36ecdd 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -672,215 +672,6 @@ static int rt2800usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
 	return rt2800_validate_eeprom(rt2x00dev);
 }
 
-/*
- * RF value list for rt2870
- * Supports: 2.4 GHz (all) & 5.2 GHz (RF2850 & RF2750)
- */
-static const struct rf_channel rf_vals[] = {
-	{ 1,  0x18402ecc, 0x184c0786, 0x1816b455, 0x1800510b },
-	{ 2,  0x18402ecc, 0x184c0786, 0x18168a55, 0x1800519f },
-	{ 3,  0x18402ecc, 0x184c078a, 0x18168a55, 0x1800518b },
-	{ 4,  0x18402ecc, 0x184c078a, 0x18168a55, 0x1800519f },
-	{ 5,  0x18402ecc, 0x184c078e, 0x18168a55, 0x1800518b },
-	{ 6,  0x18402ecc, 0x184c078e, 0x18168a55, 0x1800519f },
-	{ 7,  0x18402ecc, 0x184c0792, 0x18168a55, 0x1800518b },
-	{ 8,  0x18402ecc, 0x184c0792, 0x18168a55, 0x1800519f },
-	{ 9,  0x18402ecc, 0x184c0796, 0x18168a55, 0x1800518b },
-	{ 10, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800519f },
-	{ 11, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800518b },
-	{ 12, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800519f },
-	{ 13, 0x18402ecc, 0x184c079e, 0x18168a55, 0x1800518b },
-	{ 14, 0x18402ecc, 0x184c07a2, 0x18168a55, 0x18005193 },
-
-	/* 802.11 UNI / HyperLan 2 */
-	{ 36, 0x18402ecc, 0x184c099a, 0x18158a55, 0x180ed1a3 },
-	{ 38, 0x18402ecc, 0x184c099e, 0x18158a55, 0x180ed193 },
-	{ 40, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed183 },
-	{ 44, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed1a3 },
-	{ 46, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed18b },
-	{ 48, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed19b },
-	{ 52, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed193 },
-	{ 54, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed1a3 },
-	{ 56, 0x18402ec8, 0x184c068e, 0x18158a55, 0x180ed18b },
-	{ 60, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed183 },
-	{ 62, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed193 },
-	{ 64, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed1a3 },
-
-	/* 802.11 HyperLan 2 */
-	{ 100, 0x18402ec8, 0x184c06b2, 0x18178a55, 0x180ed783 },
-	{ 102, 0x18402ec8, 0x184c06b2, 0x18578a55, 0x180ed793 },
-	{ 104, 0x18402ec8, 0x185c06b2, 0x18578a55, 0x180ed1a3 },
-	{ 108, 0x18402ecc, 0x185c0a32, 0x18578a55, 0x180ed193 },
-	{ 110, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed183 },
-	{ 112, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed19b },
-	{ 116, 0x18402ecc, 0x184c0a3a, 0x18178a55, 0x180ed1a3 },
-	{ 118, 0x18402ecc, 0x184c0a3e, 0x18178a55, 0x180ed193 },
-	{ 120, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed183 },
-	{ 124, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed193 },
-	{ 126, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed15b },
-	{ 128, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed1a3 },
-	{ 132, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed18b },
-	{ 134, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed193 },
-	{ 136, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed19b },
-	{ 140, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed183 },
-
-	/* 802.11 UNII */
-	{ 149, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed1a7 },
-	{ 151, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed187 },
-	{ 153, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed18f },
-	{ 157, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed19f },
-	{ 159, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed1a7 },
-	{ 161, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed187 },
-	{ 165, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed197 },
-	{ 167, 0x18402ec4, 0x184c03d2, 0x18179855, 0x1815531f },
-	{ 169, 0x18402ec4, 0x184c03d2, 0x18179855, 0x18155327 },
-	{ 171, 0x18402ec4, 0x184c03d6, 0x18179855, 0x18155307 },
-	{ 173, 0x18402ec4, 0x184c03d6, 0x18179855, 0x1815530f },
-
-	/* 802.11 Japan */
-	{ 184, 0x15002ccc, 0x1500491e, 0x1509be55, 0x150c0a0b },
-	{ 188, 0x15002ccc, 0x15004922, 0x1509be55, 0x150c0a13 },
-	{ 192, 0x15002ccc, 0x15004926, 0x1509be55, 0x150c0a1b },
-	{ 196, 0x15002ccc, 0x1500492a, 0x1509be55, 0x150c0a23 },
-	{ 208, 0x15002ccc, 0x1500493a, 0x1509be55, 0x150c0a13 },
-	{ 212, 0x15002ccc, 0x1500493e, 0x1509be55, 0x150c0a1b },
-	{ 216, 0x15002ccc, 0x15004982, 0x1509be55, 0x150c0a23 },
-};
-
-/*
- * RF value list for rt3070
- * Supports: 2.4 GHz
- */
-static const struct rf_channel rf_vals_3070[] = {
-	{1,  241, 2, 2 },
-	{2,  241, 2, 7 },
-	{3,  242, 2, 2 },
-	{4,  242, 2, 7 },
-	{5,  243, 2, 2 },
-	{6,  243, 2, 7 },
-	{7,  244, 2, 2 },
-	{8,  244, 2, 7 },
-	{9,  245, 2, 2 },
-	{10, 245, 2, 7 },
-	{11, 246, 2, 2 },
-	{12, 246, 2, 7 },
-	{13, 247, 2, 2 },
-	{14, 248, 2, 4 },
-};
-
-static int rt2800usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
-{
-	struct rt2x00_chip *chip = &rt2x00dev->chip;
-	struct hw_mode_spec *spec = &rt2x00dev->spec;
-	struct channel_info *info;
-	char *tx_power1;
-	char *tx_power2;
-	unsigned int i;
-	u16 eeprom;
-
-	/*
-	 * Initialize all hw fields.
-	 */
-	rt2x00dev->hw->flags =
-	    IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
-	    IEEE80211_HW_SIGNAL_DBM |
-	    IEEE80211_HW_SUPPORTS_PS |
-	    IEEE80211_HW_PS_NULLFUNC_STACK;
-
-	if (rt2x00_intf_is_usb(rt2x00dev))
-		rt2x00dev->hw->extra_tx_headroom =
-			TXINFO_DESC_SIZE + TXWI_DESC_SIZE;
-
-	SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
-	SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
-				rt2x00_eeprom_addr(rt2x00dev,
-						   EEPROM_MAC_ADDR_0));
-
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
-
-	/*
-	 * Initialize hw_mode information.
-	 */
-	spec->supported_bands = SUPPORT_BAND_2GHZ;
-	spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
-
-	if (rt2x00_rf(chip, RF2820) ||
-	    rt2x00_rf(chip, RF2720)) {
-		spec->num_channels = 14;
-		spec->channels = rf_vals;
-	} else if (rt2x00_rf(chip, RF2850) ||
-		   rt2x00_rf(chip, RF2750)) {
-		spec->supported_bands |= SUPPORT_BAND_5GHZ;
-		spec->num_channels = ARRAY_SIZE(rf_vals);
-		spec->channels = rf_vals;
-	} else if (rt2x00_intf_is_usb(rt2x00dev) &&
-		    (rt2x00_rf(chip, RF3020) ||
-		     rt2x00_rf(chip, RF2020))) {
-		spec->num_channels = ARRAY_SIZE(rf_vals_3070);
-		spec->channels = rf_vals_3070;
-	}
-
-	/*
-	 * Initialize HT information.
-	 */
-	spec->ht.ht_supported = true;
-	spec->ht.cap =
-	    IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
-	    IEEE80211_HT_CAP_GRN_FLD |
-	    IEEE80211_HT_CAP_SGI_20 |
-	    IEEE80211_HT_CAP_SGI_40 |
-	    IEEE80211_HT_CAP_TX_STBC |
-	    IEEE80211_HT_CAP_RX_STBC |
-	    IEEE80211_HT_CAP_PSMP_SUPPORT;
-	spec->ht.ampdu_factor = 3;
-	spec->ht.ampdu_density = 4;
-	spec->ht.mcs.tx_params =
-	    IEEE80211_HT_MCS_TX_DEFINED |
-	    IEEE80211_HT_MCS_TX_RX_DIFF |
-	    ((rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH) - 1) <<
-		IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
-
-	switch (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH)) {
-	case 3:
-		spec->ht.mcs.rx_mask[2] = 0xff;
-	case 2:
-		spec->ht.mcs.rx_mask[1] = 0xff;
-	case 1:
-		spec->ht.mcs.rx_mask[0] = 0xff;
-		spec->ht.mcs.rx_mask[4] = 0x1; /* MCS32 */
-		break;
-	}
-
-	/*
-	 * Create channel information array
-	 */
-	info = kzalloc(spec->num_channels * sizeof(*info), GFP_KERNEL);
-	if (!info)
-		return -ENOMEM;
-
-	spec->channels_info = info;
-
-	tx_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG1);
-	tx_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG2);
-
-	for (i = 0; i < 14; i++) {
-		info[i].tx_power1 = TXPOWER_G_FROM_DEV(tx_power1[i]);
-		info[i].tx_power2 = TXPOWER_G_FROM_DEV(tx_power2[i]);
-	}
-
-	if (spec->num_channels > 14) {
-		tx_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A1);
-		tx_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A2);
-
-		for (i = 14; i < spec->num_channels; i++) {
-			info[i].tx_power1 = TXPOWER_A_FROM_DEV(tx_power1[i]);
-			info[i].tx_power2 = TXPOWER_A_FROM_DEV(tx_power2[i]);
-		}
-	}
-
-	return 0;
-}
-
 static const struct rt2800_ops rt2800usb_rt2800_ops = {
 	.register_read		= rt2x00usb_register_read,
 	.register_write		= rt2x00usb_register_write,
@@ -912,7 +703,7 @@ static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
 	/*
 	 * Initialize hw specifications.
 	 */
-	retval = rt2800usb_probe_hw_mode(rt2x00dev);
+	retval = rt2800_probe_hw_mode(rt2x00dev);
 	if (retval)
 		return retval;
 
-- 
GitLab


From 4116cb483ec148e30f70408ad0600304a5de2a3c Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Sun, 8 Nov 2009 14:39:40 +0100
Subject: [PATCH 1168/1815] rt2800usb: fix RX descriptor naming

Rename RXD_W0_* defines to RXINFO_W0_* ones to match naming
used for TX descriptor and by the vendor driver.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800usb.c | 10 +++----
 drivers/net/wireless/rt2x00/rt2800usb.h | 40 ++++++++++++-------------
 2 files changed, 25 insertions(+), 25 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 67bae36ecdd..a6b0484d581 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -594,16 +594,16 @@ static void rt2800usb_fill_rxdone(struct queue_entry *entry,
 	rt2x00_desc_read(rxwi, 2, &rxwi2);
 	rt2x00_desc_read(rxwi, 3, &rxwi3);
 
-	if (rt2x00_get_field32(rxd0, RXD_W0_CRC_ERROR))
+	if (rt2x00_get_field32(rxd0, RXINFO_W0_CRC_ERROR))
 		rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
 
 	if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) {
 		rxdesc->cipher = rt2x00_get_field32(rxwi0, RXWI_W0_UDF);
 		rxdesc->cipher_status =
-		    rt2x00_get_field32(rxd0, RXD_W0_CIPHER_ERROR);
+		    rt2x00_get_field32(rxd0, RXINFO_W0_CIPHER_ERROR);
 	}
 
-	if (rt2x00_get_field32(rxd0, RXD_W0_DECRYPTED)) {
+	if (rt2x00_get_field32(rxd0, RXINFO_W0_DECRYPTED)) {
 		/*
 		 * Hardware has stripped IV/EIV data from 802.11 frame during
 		 * decryption. Unfortunately the descriptor doesn't contain
@@ -618,10 +618,10 @@ static void rt2800usb_fill_rxdone(struct queue_entry *entry,
 			rxdesc->flags |= RX_FLAG_MMIC_ERROR;
 	}
 
-	if (rt2x00_get_field32(rxd0, RXD_W0_MY_BSS))
+	if (rt2x00_get_field32(rxd0, RXINFO_W0_MY_BSS))
 		rxdesc->dev_flags |= RXDONE_MY_BSS;
 
-	if (rt2x00_get_field32(rxd0, RXD_W0_L2PAD)) {
+	if (rt2x00_get_field32(rxd0, RXINFO_W0_L2PAD)) {
 		rxdesc->dev_flags |= RXDONE_L2PAD;
 		skbdesc->flags |= SKBDESC_L2_PADDED;
 	}
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.h b/drivers/net/wireless/rt2x00/rt2800usb.h
index c9d7d40ee5f..8f317446eca 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.h
+++ b/drivers/net/wireless/rt2x00/rt2800usb.h
@@ -111,25 +111,25 @@
  * AMSDU: rx with 802.3 header, not 802.11 header.
  */
 
-#define RXD_W0_BA			FIELD32(0x00000001)
-#define RXD_W0_DATA			FIELD32(0x00000002)
-#define RXD_W0_NULLDATA			FIELD32(0x00000004)
-#define RXD_W0_FRAG			FIELD32(0x00000008)
-#define RXD_W0_UNICAST_TO_ME		FIELD32(0x00000010)
-#define RXD_W0_MULTICAST		FIELD32(0x00000020)
-#define RXD_W0_BROADCAST		FIELD32(0x00000040)
-#define RXD_W0_MY_BSS			FIELD32(0x00000080)
-#define RXD_W0_CRC_ERROR		FIELD32(0x00000100)
-#define RXD_W0_CIPHER_ERROR		FIELD32(0x00000600)
-#define RXD_W0_AMSDU			FIELD32(0x00000800)
-#define RXD_W0_HTC			FIELD32(0x00001000)
-#define RXD_W0_RSSI			FIELD32(0x00002000)
-#define RXD_W0_L2PAD			FIELD32(0x00004000)
-#define RXD_W0_AMPDU			FIELD32(0x00008000)
-#define RXD_W0_DECRYPTED		FIELD32(0x00010000)
-#define RXD_W0_PLCP_RSSI		FIELD32(0x00020000)
-#define RXD_W0_CIPHER_ALG		FIELD32(0x00040000)
-#define RXD_W0_LAST_AMSDU		FIELD32(0x00080000)
-#define RXD_W0_PLCP_SIGNAL		FIELD32(0xfff00000)
+#define RXINFO_W0_BA			FIELD32(0x00000001)
+#define RXINFO_W0_DATA			FIELD32(0x00000002)
+#define RXINFO_W0_NULLDATA		FIELD32(0x00000004)
+#define RXINFO_W0_FRAG			FIELD32(0x00000008)
+#define RXINFO_W0_UNICAST_TO_ME		FIELD32(0x00000010)
+#define RXINFO_W0_MULTICAST		FIELD32(0x00000020)
+#define RXINFO_W0_BROADCAST		FIELD32(0x00000040)
+#define RXINFO_W0_MY_BSS		FIELD32(0x00000080)
+#define RXINFO_W0_CRC_ERROR		FIELD32(0x00000100)
+#define RXINFO_W0_CIPHER_ERROR		FIELD32(0x00000600)
+#define RXINFO_W0_AMSDU			FIELD32(0x00000800)
+#define RXINFO_W0_HTC			FIELD32(0x00001000)
+#define RXINFO_W0_RSSI			FIELD32(0x00002000)
+#define RXINFO_W0_L2PAD			FIELD32(0x00004000)
+#define RXINFO_W0_AMPDU			FIELD32(0x00008000)
+#define RXINFO_W0_DECRYPTED		FIELD32(0x00010000)
+#define RXINFO_W0_PLCP_RSSI		FIELD32(0x00020000)
+#define RXINFO_W0_CIPHER_ALG		FIELD32(0x00040000)
+#define RXINFO_W0_LAST_AMSDU		FIELD32(0x00080000)
+#define RXINFO_W0_PLCP_SIGNAL		FIELD32(0xfff00000)
 
 #endif /* RT2800USB_H */
-- 
GitLab


From 30e840346c516ad4e36f710fa485933ccc7afa66 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Sun, 8 Nov 2009 14:39:48 +0100
Subject: [PATCH 1169/1815] rt2800: add eFuse EEPROM support code to rt2800lib

eFuse EEPROM is used also by USB chips (i.e. RT3070)
so move the needed code from rt2800pci to rt2800lib.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800.h    | 29 +++++++++++++++++
 drivers/net/wireless/rt2x00/rt2800lib.c | 43 +++++++++++++++++++++++++
 drivers/net/wireless/rt2x00/rt2800lib.h |  2 ++
 drivers/net/wireless/rt2x00/rt2800pci.c | 38 ++--------------------
 drivers/net/wireless/rt2x00/rt2800pci.h | 29 -----------------
 5 files changed, 77 insertions(+), 64 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800.h b/drivers/net/wireless/rt2x00/rt2800.h
index d9b6a72e6d2..74fb5253ee2 100644
--- a/drivers/net/wireless/rt2x00/rt2800.h
+++ b/drivers/net/wireless/rt2x00/rt2800.h
@@ -361,6 +361,35 @@
 #define RF_CSR_CFG_WRITE		FIELD32(0x00010000)
 #define RF_CSR_CFG_BUSY			FIELD32(0x00020000)
 
+/*
+ * EFUSE_CSR: RT30x0 EEPROM
+ */
+#define EFUSE_CTRL			0x0580
+#define EFUSE_CTRL_ADDRESS_IN		FIELD32(0x03fe0000)
+#define EFUSE_CTRL_MODE			FIELD32(0x000000c0)
+#define EFUSE_CTRL_KICK			FIELD32(0x40000000)
+#define EFUSE_CTRL_PRESENT		FIELD32(0x80000000)
+
+/*
+ * EFUSE_DATA0
+ */
+#define EFUSE_DATA0			0x0590
+
+/*
+ * EFUSE_DATA1
+ */
+#define EFUSE_DATA1			0x0594
+
+/*
+ * EFUSE_DATA2
+ */
+#define EFUSE_DATA2			0x0598
+
+/*
+ * EFUSE_DATA3
+ */
+#define EFUSE_DATA3			0x059c
+
 /*
  * MAC Control/Status Registers(CSR).
  * Some values are set in TU, whereas 1 TU == 1024 us.
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index d7771eaee04..f207e9fa5b9 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -1659,6 +1659,49 @@ int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
 }
 EXPORT_SYMBOL_GPL(rt2800_init_rfcsr);
 
+int rt2800_efuse_detect(struct rt2x00_dev *rt2x00dev)
+{
+	u32 reg;
+
+	rt2800_register_read(rt2x00dev, EFUSE_CTRL, &reg);
+
+	return rt2x00_get_field32(reg, EFUSE_CTRL_PRESENT);
+}
+EXPORT_SYMBOL_GPL(rt2800_efuse_detect);
+
+static void rt2800_efuse_read(struct rt2x00_dev *rt2x00dev, unsigned int i)
+{
+	u32 reg;
+
+	rt2800_register_read(rt2x00dev, EFUSE_CTRL, &reg);
+	rt2x00_set_field32(&reg, EFUSE_CTRL_ADDRESS_IN, i);
+	rt2x00_set_field32(&reg, EFUSE_CTRL_MODE, 0);
+	rt2x00_set_field32(&reg, EFUSE_CTRL_KICK, 1);
+	rt2800_register_write(rt2x00dev, EFUSE_CTRL, reg);
+
+	/* Wait until the EEPROM has been loaded */
+	rt2800_regbusy_read(rt2x00dev, EFUSE_CTRL, EFUSE_CTRL_KICK, &reg);
+
+	/* Apparently the data is read from end to start */
+	rt2800_register_read(rt2x00dev, EFUSE_DATA3,
+				(u32 *)&rt2x00dev->eeprom[i]);
+	rt2800_register_read(rt2x00dev, EFUSE_DATA2,
+				(u32 *)&rt2x00dev->eeprom[i + 2]);
+	rt2800_register_read(rt2x00dev, EFUSE_DATA1,
+				(u32 *)&rt2x00dev->eeprom[i + 4]);
+	rt2800_register_read(rt2x00dev, EFUSE_DATA0,
+				(u32 *)&rt2x00dev->eeprom[i + 6]);
+}
+
+void rt2800_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
+{
+	unsigned int i;
+
+	for (i = 0; i < EEPROM_SIZE / sizeof(u16); i += 8)
+		rt2800_efuse_read(rt2x00dev, i);
+}
+EXPORT_SYMBOL_GPL(rt2800_read_eeprom_efuse);
+
 int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
 {
 	u16 word;
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.h b/drivers/net/wireless/rt2x00/rt2800lib.h
index 2aa15f2b2c5..7c790118999 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.h
+++ b/drivers/net/wireless/rt2x00/rt2800lib.h
@@ -129,6 +129,8 @@ int rt2800_init_registers(struct rt2x00_dev *rt2x00dev);
 int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev);
 int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev);
 
+int rt2800_efuse_detect(struct rt2x00_dev *rt2x00dev);
+void rt2800_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev);
 int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev);
 int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev);
 int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev);
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index e8fe2eabebb..6f151d0c6b0 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -147,44 +147,12 @@ static void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev)
 
 static int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev)
 {
-	u32 reg;
-
-	rt2800_register_read(rt2x00dev, EFUSE_CTRL, &reg);
-
-	return rt2x00_get_field32(reg, EFUSE_CTRL_PRESENT);
+	return rt2800_efuse_detect(rt2x00dev);
 }
 
-static void rt2800pci_efuse_read(struct rt2x00_dev *rt2x00dev,
-				 unsigned int i)
-{
-	u32 reg;
-
-	rt2800_register_read(rt2x00dev, EFUSE_CTRL, &reg);
-	rt2x00_set_field32(&reg, EFUSE_CTRL_ADDRESS_IN, i);
-	rt2x00_set_field32(&reg, EFUSE_CTRL_MODE, 0);
-	rt2x00_set_field32(&reg, EFUSE_CTRL_KICK, 1);
-	rt2800_register_write(rt2x00dev, EFUSE_CTRL, reg);
-
-	/* Wait until the EEPROM has been loaded */
-	rt2800_regbusy_read(rt2x00dev, EFUSE_CTRL, EFUSE_CTRL_KICK, &reg);
-
-	/* Apparently the data is read from end to start */
-	rt2800_register_read(rt2x00dev, EFUSE_DATA3,
-				(u32 *)&rt2x00dev->eeprom[i]);
-	rt2800_register_read(rt2x00dev, EFUSE_DATA2,
-				(u32 *)&rt2x00dev->eeprom[i + 2]);
-	rt2800_register_read(rt2x00dev, EFUSE_DATA1,
-				(u32 *)&rt2x00dev->eeprom[i + 4]);
-	rt2800_register_read(rt2x00dev, EFUSE_DATA0,
-				(u32 *)&rt2x00dev->eeprom[i + 6]);
-}
-
-static void rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
+static inline void rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
 {
-	unsigned int i;
-
-	for (i = 0; i < EEPROM_SIZE / sizeof(u16); i += 8)
-		rt2800pci_efuse_read(rt2x00dev, i);
+	rt2800_read_eeprom_efuse(rt2x00dev);
 }
 #else
 static inline void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev)
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.h b/drivers/net/wireless/rt2x00/rt2800pci.h
index 8f944ee8a97..b866dd01f28 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.h
+++ b/drivers/net/wireless/rt2x00/rt2800pci.h
@@ -55,35 +55,6 @@
 #define TX_CTX_IDX(__x)			TX_CTX_IDX0 + ((__x) * TX_QUEUE_REG_OFFSET)
 #define TX_DTX_IDX(__x)			TX_DTX_IDX0 + ((__x) * TX_QUEUE_REG_OFFSET)
 
-/*
- * EFUSE_CSR: RT3090 EEPROM
- */
-#define EFUSE_CTRL			0x0580
-#define EFUSE_CTRL_ADDRESS_IN		FIELD32(0x03fe0000)
-#define EFUSE_CTRL_MODE			FIELD32(0x000000c0)
-#define EFUSE_CTRL_KICK			FIELD32(0x40000000)
-#define EFUSE_CTRL_PRESENT		FIELD32(0x80000000)
-
-/*
- * EFUSE_DATA0
- */
-#define EFUSE_DATA0			0x0590
-
-/*
- * EFUSE_DATA1
- */
-#define EFUSE_DATA1			0x0594
-
-/*
- * EFUSE_DATA2
- */
-#define EFUSE_DATA2			0x0598
-
-/*
- * EFUSE_DATA3
- */
-#define EFUSE_DATA3			0x059c
-
 /*
  * 8051 firmware image.
  */
-- 
GitLab


From 40beee5c15a816bf77747e15940ac3b97229faf4 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Sun, 8 Nov 2009 14:39:55 +0100
Subject: [PATCH 1170/1815] rt2800usb: add eFuse EEPROM support

It is needed for at least RT3070 chip.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800usb.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index a6b0484d581..54afbc8378d 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -667,7 +667,11 @@ static void rt2800usb_fill_rxdone(struct queue_entry *entry,
  */
 static int rt2800usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
 {
-	rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE);
+	if (rt2800_efuse_detect(rt2x00dev))
+		rt2800_read_eeprom_efuse(rt2x00dev);
+	else
+		rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom,
+				      EEPROM_SIZE);
 
 	return rt2800_validate_eeprom(rt2x00dev);
 }
-- 
GitLab


From 6aefbfa0204b1dab4b9f23ca30f8840ba0d9134a Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Sun, 8 Nov 2009 14:43:35 +0100
Subject: [PATCH 1171/1815] rt2500usb: remove dead link tuning code

Link tuning code from the legacy rt2570 driver turned out to be
harmful and got disabled by the commit d06193f ("rt2x00: Disable
link tuning in rt2500usb") in August 2008.

There is no reason to keep this dead code any longer so remove it
(it can still be retrieved from the git history if necessary).

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2500usb.c | 134 ------------------------
 1 file changed, 134 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index 22dd6d9e298..6acd8e8ae6e 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -715,139 +715,6 @@ static void rt2500usb_reset_tuner(struct rt2x00_dev *rt2x00dev,
 	qual->vgc_level = value;
 }
 
-/*
- * NOTE: This function is directly ported from legacy driver, but
- * despite it being declared it was never called. Although link tuning
- * sounds like a good idea, and usually works well for the other drivers,
- * it does _not_ work with rt2500usb. Enabling this function will result
- * in TX capabilities only until association kicks in. Immediately
- * after the successful association all TX frames will be kept in the
- * hardware queue and never transmitted.
- */
-#if 0
-static void rt2500usb_link_tuner(struct rt2x00_dev *rt2x00dev)
-{
-	int rssi = rt2x00_get_link_rssi(&rt2x00dev->link);
-	u16 bbp_thresh;
-	u16 vgc_bound;
-	u16 sens;
-	u16 r24;
-	u16 r25;
-	u16 r61;
-	u16 r17_sens;
-	u8 r17;
-	u8 up_bound;
-	u8 low_bound;
-
-	/*
-	 * Read current r17 value, as well as the sensitivity values
-	 * for the r17 register.
-	 */
-	rt2500usb_bbp_read(rt2x00dev, 17, &r17);
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &r17_sens);
-
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &vgc_bound);
-	up_bound = rt2x00_get_field16(vgc_bound, EEPROM_BBPTUNE_VGCUPPER);
-	low_bound = rt2x00_get_field16(vgc_bound, EEPROM_BBPTUNE_VGCLOWER);
-
-	/*
-	 * If we are not associated, we should go straight to the
-	 * dynamic CCA tuning.
-	 */
-	if (!rt2x00dev->intf_associated)
-		goto dynamic_cca_tune;
-
-	/*
-	 * Determine the BBP tuning threshold and correctly
-	 * set BBP 24, 25 and 61.
-	 */
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &bbp_thresh);
-	bbp_thresh = rt2x00_get_field16(bbp_thresh, EEPROM_BBPTUNE_THRESHOLD);
-
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &r24);
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &r25);
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &r61);
-
-	if ((rssi + bbp_thresh) > 0) {
-		r24 = rt2x00_get_field16(r24, EEPROM_BBPTUNE_R24_HIGH);
-		r25 = rt2x00_get_field16(r25, EEPROM_BBPTUNE_R25_HIGH);
-		r61 = rt2x00_get_field16(r61, EEPROM_BBPTUNE_R61_HIGH);
-	} else {
-		r24 = rt2x00_get_field16(r24, EEPROM_BBPTUNE_R24_LOW);
-		r25 = rt2x00_get_field16(r25, EEPROM_BBPTUNE_R25_LOW);
-		r61 = rt2x00_get_field16(r61, EEPROM_BBPTUNE_R61_LOW);
-	}
-
-	rt2500usb_bbp_write(rt2x00dev, 24, r24);
-	rt2500usb_bbp_write(rt2x00dev, 25, r25);
-	rt2500usb_bbp_write(rt2x00dev, 61, r61);
-
-	/*
-	 * A too low RSSI will cause too much false CCA which will
-	 * then corrupt the R17 tuning. To remidy this the tuning should
-	 * be stopped (While making sure the R17 value will not exceed limits)
-	 */
-	if (rssi >= -40) {
-		if (r17 != 0x60)
-			rt2500usb_bbp_write(rt2x00dev, 17, 0x60);
-		return;
-	}
-
-	/*
-	 * Special big-R17 for short distance
-	 */
-	if (rssi >= -58) {
-		sens = rt2x00_get_field16(r17_sens, EEPROM_BBPTUNE_R17_LOW);
-		if (r17 != sens)
-			rt2500usb_bbp_write(rt2x00dev, 17, sens);
-		return;
-	}
-
-	/*
-	 * Special mid-R17 for middle distance
-	 */
-	if (rssi >= -74) {
-		sens = rt2x00_get_field16(r17_sens, EEPROM_BBPTUNE_R17_HIGH);
-		if (r17 != sens)
-			rt2500usb_bbp_write(rt2x00dev, 17, sens);
-		return;
-	}
-
-	/*
-	 * Leave short or middle distance condition, restore r17
-	 * to the dynamic tuning range.
-	 */
-	low_bound = 0x32;
-	if (rssi < -77)
-		up_bound -= (-77 - rssi);
-
-	if (up_bound < low_bound)
-		up_bound = low_bound;
-
-	if (r17 > up_bound) {
-		rt2500usb_bbp_write(rt2x00dev, 17, up_bound);
-		rt2x00dev->link.vgc_level = up_bound;
-		return;
-	}
-
-dynamic_cca_tune:
-
-	/*
-	 * R17 is inside the dynamic tuning range,
-	 * start tuning the link based on the false cca counter.
-	 */
-	if (rt2x00dev->link.qual.false_cca > 512 && r17 < up_bound) {
-		rt2500usb_bbp_write(rt2x00dev, 17, ++r17);
-		rt2x00dev->link.vgc_level = r17;
-	} else if (rt2x00dev->link.qual.false_cca < 100 && r17 > low_bound) {
-		rt2500usb_bbp_write(rt2x00dev, 17, --r17);
-		rt2x00dev->link.vgc_level = r17;
-	}
-}
-#else
-#define rt2500usb_link_tuner	NULL
-#endif
-
 /*
  * Initialization functions.
  */
@@ -1910,7 +1777,6 @@ static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = {
 	.rfkill_poll		= rt2500usb_rfkill_poll,
 	.link_stats		= rt2500usb_link_stats,
 	.reset_tuner		= rt2500usb_reset_tuner,
-	.link_tuner		= rt2500usb_link_tuner,
 	.write_tx_desc		= rt2500usb_write_tx_desc,
 	.write_tx_data		= rt2x00usb_write_tx_data,
 	.write_beacon		= rt2500usb_write_beacon,
-- 
GitLab


From 9c9a0d145fee73b5e821bb460732ac2a66c680b3 Mon Sep 17 00:00:00 2001
From: Gertjan van Wingerde <gwingerde@gmail.com>
Date: Sun, 8 Nov 2009 16:39:55 +0100
Subject: [PATCH 1172/1815] rt2x00: Update copyright statements.

As mentioned on the linux-wireless mailing list, the current copyright
statements in the rt2x00 are meaningless, as the rt2x00 project is
not even a formal legal entity. Therefore it is better to replace
the existing copyright statements with copyright statements for the
people that actually wrote the code.

Note: Updated to the best of my knowledge with respect to who
contributed considerable amounts of code.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
CC: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2400pci.c      |  2 +-
 drivers/net/wireless/rt2x00/rt2400pci.h      |  2 +-
 drivers/net/wireless/rt2x00/rt2500pci.c      |  2 +-
 drivers/net/wireless/rt2x00/rt2500pci.h      |  2 +-
 drivers/net/wireless/rt2x00/rt2500usb.c      |  2 +-
 drivers/net/wireless/rt2x00/rt2500usb.h      |  2 +-
 drivers/net/wireless/rt2x00/rt2800.h         |  9 ++++++++-
 drivers/net/wireless/rt2x00/rt2800lib.c      | 15 ++++++++++-----
 drivers/net/wireless/rt2x00/rt2800pci.c      |  9 ++++++++-
 drivers/net/wireless/rt2x00/rt2800pci.h      |  9 ++++++++-
 drivers/net/wireless/rt2x00/rt2800usb.c      |  6 +++++-
 drivers/net/wireless/rt2x00/rt2800usb.h      |  6 +++++-
 drivers/net/wireless/rt2x00/rt2x00.h         |  3 ++-
 drivers/net/wireless/rt2x00/rt2x00config.c   |  2 +-
 drivers/net/wireless/rt2x00/rt2x00crypto.c   |  2 +-
 drivers/net/wireless/rt2x00/rt2x00debug.c    |  2 +-
 drivers/net/wireless/rt2x00/rt2x00debug.h    |  2 +-
 drivers/net/wireless/rt2x00/rt2x00dev.c      |  2 +-
 drivers/net/wireless/rt2x00/rt2x00dump.h     |  2 +-
 drivers/net/wireless/rt2x00/rt2x00firmware.c |  3 ++-
 drivers/net/wireless/rt2x00/rt2x00ht.c       |  2 +-
 drivers/net/wireless/rt2x00/rt2x00leds.c     |  2 +-
 drivers/net/wireless/rt2x00/rt2x00leds.h     |  2 +-
 drivers/net/wireless/rt2x00/rt2x00lib.h      |  3 ++-
 drivers/net/wireless/rt2x00/rt2x00link.c     |  2 +-
 drivers/net/wireless/rt2x00/rt2x00mac.c      |  2 +-
 drivers/net/wireless/rt2x00/rt2x00pci.c      |  2 +-
 drivers/net/wireless/rt2x00/rt2x00pci.h      |  2 +-
 drivers/net/wireless/rt2x00/rt2x00queue.c    |  3 ++-
 drivers/net/wireless/rt2x00/rt2x00queue.h    |  2 +-
 drivers/net/wireless/rt2x00/rt2x00reg.h      |  2 +-
 drivers/net/wireless/rt2x00/rt2x00soc.c      |  3 ++-
 drivers/net/wireless/rt2x00/rt2x00soc.h      |  2 +-
 drivers/net/wireless/rt2x00/rt2x00usb.c      |  2 +-
 drivers/net/wireless/rt2x00/rt2x00usb.h      |  2 +-
 drivers/net/wireless/rt2x00/rt61pci.c        |  2 +-
 drivers/net/wireless/rt2x00/rt61pci.h        |  2 +-
 drivers/net/wireless/rt2x00/rt73usb.c        |  2 +-
 drivers/net/wireless/rt2x00/rt73usb.h        |  2 +-
 39 files changed, 82 insertions(+), 43 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c
index 798f625e38f..0f912f51a15 100644
--- a/drivers/net/wireless/rt2x00/rt2400pci.c
+++ b/drivers/net/wireless/rt2x00/rt2400pci.c
@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2400pci.h b/drivers/net/wireless/rt2x00/rt2400pci.h
index ccd644104ad..6c21ef66dfe 100644
--- a/drivers/net/wireless/rt2x00/rt2400pci.h
+++ b/drivers/net/wireless/rt2x00/rt2400pci.h
@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c
index 2e872ac6982..6618cbd808b 100644
--- a/drivers/net/wireless/rt2x00/rt2500pci.c
+++ b/drivers/net/wireless/rt2x00/rt2500pci.c
@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.h b/drivers/net/wireless/rt2x00/rt2500pci.h
index 54d37957883..b0075674c09 100644
--- a/drivers/net/wireless/rt2x00/rt2500pci.h
+++ b/drivers/net/wireless/rt2x00/rt2500pci.h
@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index 6acd8e8ae6e..bb64473dae6 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.h b/drivers/net/wireless/rt2x00/rt2500usb.h
index b01edca4258..341a7045463 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.h
+++ b/drivers/net/wireless/rt2x00/rt2500usb.h
@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2800.h b/drivers/net/wireless/rt2x00/rt2800.h
index 74fb5253ee2..c5fe867665e 100644
--- a/drivers/net/wireless/rt2x00/rt2800.h
+++ b/drivers/net/wireless/rt2x00/rt2800.h
@@ -1,5 +1,12 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
+	Copyright (C) 2009 Alban Browaeys <prahal@yahoo.com>
+	Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
+	Copyright (C) 2009 Luis Correia <luis.f.correia@gmail.com>
+	Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de>
+	Copyright (C) 2009 Mark Asselstine <asselsm@gmail.com>
+	Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
+	Copyright (C) 2009 Bart Zolnierkiewicz <bzolnier@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index f207e9fa5b9..a0d5901bf50 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -1,9 +1,14 @@
 /*
-	Copyright (C) 2009 Bartlomiej Zolnierkiewicz
-
-	Based on the original rt2800pci.c and rt2800usb.c:
-
-	  Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2009 Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
+
+	Based on the original rt2800pci.c and rt2800usb.c.
+	  Copyright (C) 2009 Ivo van Doorn <IvDoorn@gmail.com>
+	  Copyright (C) 2009 Alban Browaeys <prahal@yahoo.com>
+	  Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
+	  Copyright (C) 2009 Luis Correia <luis.f.correia@gmail.com>
+	  Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de>
+	  Copyright (C) 2009 Mark Asselstine <asselsm@gmail.com>
+	  Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
 	  <http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 6f151d0c6b0..c7a596f2da3 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -1,5 +1,12 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2009 Ivo van Doorn <IvDoorn@gmail.com>
+	Copyright (C) 2009 Alban Browaeys <prahal@yahoo.com>
+	Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
+	Copyright (C) 2009 Luis Correia <luis.f.correia@gmail.com>
+	Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de>
+	Copyright (C) 2009 Mark Asselstine <asselsm@gmail.com>
+	Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
+	Copyright (C) 2009 Bart Zolnierkiewicz <bzolnier@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.h b/drivers/net/wireless/rt2x00/rt2800pci.h
index b866dd01f28..afc8e7da27c 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.h
+++ b/drivers/net/wireless/rt2x00/rt2800pci.h
@@ -1,5 +1,12 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2009 Ivo van Doorn <IvDoorn@gmail.com>
+	Copyright (C) 2009 Alban Browaeys <prahal@yahoo.com>
+	Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
+	Copyright (C) 2009 Luis Correia <luis.f.correia@gmail.com>
+	Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de>
+	Copyright (C) 2009 Mark Asselstine <asselsm@gmail.com>
+	Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
+	Copyright (C) 2009 Bart Zolnierkiewicz <bzolnier@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 54afbc8378d..b57999ba8d9 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -1,5 +1,9 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2009 Ivo van Doorn <IvDoorn@gmail.com>
+	Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de>
+	Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
+	Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
+	Copyright (C) 2009 Axel Kollhofer <rain_maker@root-forum.org>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.h b/drivers/net/wireless/rt2x00/rt2800usb.h
index 8f317446eca..1e4340a182e 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.h
+++ b/drivers/net/wireless/rt2x00/rt2800usb.h
@@ -1,5 +1,9 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2009 Ivo van Doorn <IvDoorn@gmail.com>
+	Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de>
+	Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
+	Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
+	Copyright (C) 2009 Axel Kollhofer <rain_maker@root-forum.org>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index 1a84574a26d..5a1b1612dca 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -1,5 +1,6 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
+	Copyright (C) 2004 - 2009 Gertjan van Wingerde <gwingerde@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2x00config.c b/drivers/net/wireless/rt2x00/rt2x00config.c
index 40a201e2e15..098315a271c 100644
--- a/drivers/net/wireless/rt2x00/rt2x00config.c
+++ b/drivers/net/wireless/rt2x00/rt2x00config.c
@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2x00crypto.c b/drivers/net/wireless/rt2x00/rt2x00crypto.c
index de36837dcf8..d291c7862e1 100644
--- a/drivers/net/wireless/rt2x00/rt2x00crypto.c
+++ b/drivers/net/wireless/rt2x00/rt2x00crypto.c
@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2x00debug.c b/drivers/net/wireless/rt2x00/rt2x00debug.c
index 7b3ee8c2eae..e6b0fbbc3fc 100644
--- a/drivers/net/wireless/rt2x00/rt2x00debug.c
+++ b/drivers/net/wireless/rt2x00/rt2x00debug.c
@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2x00debug.h b/drivers/net/wireless/rt2x00/rt2x00debug.h
index 035cbc98c59..fa11409cb5c 100644
--- a/drivers/net/wireless/rt2x00/rt2x00debug.h
+++ b/drivers/net/wireless/rt2x00/rt2x00debug.h
@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 00bfb2255ce..6c6d0ac3554 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2x00dump.h b/drivers/net/wireless/rt2x00/rt2x00dump.h
index fdedb512292..727019a748e 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dump.h
+++ b/drivers/net/wireless/rt2x00/rt2x00dump.h
@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2x00firmware.c b/drivers/net/wireless/rt2x00/rt2x00firmware.c
index d2deea2f267..34beb00c434 100644
--- a/drivers/net/wireless/rt2x00/rt2x00firmware.c
+++ b/drivers/net/wireless/rt2x00/rt2x00firmware.c
@@ -1,5 +1,6 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
+	Copyright (C) 2004 - 2009 Gertjan van Wingerde <gwingerde@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2x00ht.c b/drivers/net/wireless/rt2x00/rt2x00ht.c
index e3cec839e54..1056c92143a 100644
--- a/drivers/net/wireless/rt2x00/rt2x00ht.c
+++ b/drivers/net/wireless/rt2x00/rt2x00ht.c
@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2x00leds.c b/drivers/net/wireless/rt2x00/rt2x00leds.c
index 49671fed91d..ca585e34d00 100644
--- a/drivers/net/wireless/rt2x00/rt2x00leds.c
+++ b/drivers/net/wireless/rt2x00/rt2x00leds.c
@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2x00leds.h b/drivers/net/wireless/rt2x00/rt2x00leds.h
index 8e03c045e03..3b46f0c3332 100644
--- a/drivers/net/wireless/rt2x00/rt2x00leds.h
+++ b/drivers/net/wireless/rt2x00/rt2x00leds.h
@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2x00lib.h b/drivers/net/wireless/rt2x00/rt2x00lib.h
index e17016572c3..c1f48acaee4 100644
--- a/drivers/net/wireless/rt2x00/rt2x00lib.h
+++ b/drivers/net/wireless/rt2x00/rt2x00lib.h
@@ -1,5 +1,6 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
+	Copyright (C) 2004 - 2009 Gertjan van Wingerde <gwingerde@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2x00link.c b/drivers/net/wireless/rt2x00/rt2x00link.c
index f918f29e2d7..0efbf5a6c25 100644
--- a/drivers/net/wireless/rt2x00/rt2x00link.c
+++ b/drivers/net/wireless/rt2x00/rt2x00link.c
@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
index 929b85f34f3..eed093d3453 100644
--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c
index ece70d72880..0feb4d0e466 100644
--- a/drivers/net/wireless/rt2x00/rt2x00pci.c
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.c
@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.h b/drivers/net/wireless/rt2x00/rt2x00pci.h
index ae33eebe9a6..d4f9449ab0a 100644
--- a/drivers/net/wireless/rt2x00/rt2x00pci.h
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.h
@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c
index 577029efe32..02972a036bc 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.c
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
@@ -1,5 +1,6 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
+	Copyright (C) 2004 - 2009 Gertjan van Wingerde <gwingerde@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.h b/drivers/net/wireless/rt2x00/rt2x00queue.h
index a5591fb2b19..97c7895c0ec 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.h
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.h
@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2x00reg.h b/drivers/net/wireless/rt2x00/rt2x00reg.h
index 983e52e127a..603bfc0adaa 100644
--- a/drivers/net/wireless/rt2x00/rt2x00reg.h
+++ b/drivers/net/wireless/rt2x00/rt2x00reg.h
@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2x00soc.c b/drivers/net/wireless/rt2x00/rt2x00soc.c
index 4abcfa6bf1b..19e684f8ffa 100644
--- a/drivers/net/wireless/rt2x00/rt2x00soc.c
+++ b/drivers/net/wireless/rt2x00/rt2x00soc.c
@@ -1,5 +1,6 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
+	Copyright (C) 2004 - 2009 Felix Fietkau <nbd@openwrt.org>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2x00soc.h b/drivers/net/wireless/rt2x00/rt2x00soc.h
index 5cf114ac2b9..8a3416624af 100644
--- a/drivers/net/wireless/rt2x00/rt2x00soc.h
+++ b/drivers/net/wireless/rt2x00/rt2x00soc.h
@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c
index aa6c31d612a..0a751e73aa0 100644
--- a/drivers/net/wireless/rt2x00/rt2x00usb.c
+++ b/drivers/net/wireless/rt2x00/rt2x00usb.c
@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.h b/drivers/net/wireless/rt2x00/rt2x00usb.h
index 1c9d6cafb05..3da6841b5d4 100644
--- a/drivers/net/wireless/rt2x00/rt2x00usb.h
+++ b/drivers/net/wireless/rt2x00/rt2x00usb.h
@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index b20e3eac9d6..ea8a86f4462 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt61pci.h b/drivers/net/wireless/rt2x00/rt61pci.h
index 93eb699165c..6f33f7f5668 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.h
+++ b/drivers/net/wireless/rt2x00/rt61pci.h
@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index 14e7bb21007..7236f017910 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
diff --git a/drivers/net/wireless/rt2x00/rt73usb.h b/drivers/net/wireless/rt2x00/rt73usb.h
index 81fe0be51c4..e783a099a8f 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.h
+++ b/drivers/net/wireless/rt2x00/rt73usb.h
@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
-- 
GitLab


From a6ef92ad3588d4e011295bf724f88e7d5b8c0e1b Mon Sep 17 00:00:00 2001
From: Jason Andryuk <jandryuk@gmail.com>
Date: Sun, 8 Nov 2009 18:58:01 -0500
Subject: [PATCH 1173/1815] at76c50x-usb: Remove mac2str and replace with %pM
 format specifier.

Signed-off-by: Jason Andryuk <jandryuk@gmail.com>
Acked-by: Kalle Valo <kalle.valo@iki.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/at76c50x-usb.c | 34 +++++++++--------------------
 1 file changed, 10 insertions(+), 24 deletions(-)

diff --git a/drivers/net/wireless/at76c50x-usb.c b/drivers/net/wireless/at76c50x-usb.c
index 0a917e44b22..be2e5962319 100644
--- a/drivers/net/wireless/at76c50x-usb.c
+++ b/drivers/net/wireless/at76c50x-usb.c
@@ -532,20 +532,6 @@ static char *hex2str(void *buf, int len)
 	return ret;
 }
 
-#define MAC2STR_BUFFERS 4
-
-static inline char *mac2str(u8 *mac)
-{
-	static atomic_t a = ATOMIC_INIT(0);
-	static char bufs[MAC2STR_BUFFERS][6 * 3];
-	char *str;
-
-	str = bufs[atomic_inc_return(&a) & (MAC2STR_BUFFERS - 1)];
-	sprintf(str, "%02x:%02x:%02x:%02x:%02x:%02x",
-		mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
-	return str;
-}
-
 /* LED trigger */
 static int tx_activity;
 static void at76_ledtrig_tx_timerfunc(unsigned long data);
@@ -981,13 +967,13 @@ static void at76_dump_mib_mac_addr(struct at76_priv *priv)
 		goto exit;
 	}
 
-	at76_dbg(DBG_MIB, "%s: MIB MAC_ADDR: mac_addr %s res 0x%x 0x%x",
+	at76_dbg(DBG_MIB, "%s: MIB MAC_ADDR: mac_addr %pM res 0x%x 0x%x",
 		 wiphy_name(priv->hw->wiphy),
-		 mac2str(m->mac_addr), m->res[0], m->res[1]);
+		 m->mac_addr, m->res[0], m->res[1]);
 	for (i = 0; i < ARRAY_SIZE(m->group_addr); i++)
-		at76_dbg(DBG_MIB, "%s: MIB MAC_ADDR: group addr %d: %s, "
+		at76_dbg(DBG_MIB, "%s: MIB MAC_ADDR: group addr %d: %pM, "
 			 "status %d", wiphy_name(priv->hw->wiphy), i,
-			 mac2str(m->group_addr[i]), m->group_addr_status[i]);
+			 m->group_addr[i], m->group_addr_status[i]);
 exit:
 	kfree(m);
 }
@@ -1050,7 +1036,7 @@ static void at76_dump_mib_mac_mgmt(struct at76_priv *priv)
 	at76_dbg(DBG_MIB, "%s: MIB MAC_MGMT: beacon_period %d CFP_max_duration "
 		 "%d medium_occupancy_limit %d station_id 0x%x ATIM_window %d "
 		 "CFP_mode %d privacy_opt_impl %d DTIM_period %d CFP_period %d "
-		 "current_bssid %s current_essid %s current_bss_type %d "
+		 "current_bssid %pM current_essid %s current_bss_type %d "
 		 "pm_mode %d ibss_change %d res %d "
 		 "multi_domain_capability_implemented %d "
 		 "international_roaming %d country_string %.3s",
@@ -1059,7 +1045,7 @@ static void at76_dump_mib_mac_mgmt(struct at76_priv *priv)
 		 le16_to_cpu(m->medium_occupancy_limit),
 		 le16_to_cpu(m->station_id), le16_to_cpu(m->ATIM_window),
 		 m->CFP_mode, m->privacy_option_implemented, m->DTIM_period,
-		 m->CFP_period, mac2str(m->current_bssid),
+		 m->CFP_period, m->current_bssid,
 		 hex2str(m->current_essid, IW_ESSID_MAX_SIZE),
 		 m->current_bss_type, m->power_mgmt_mode, m->ibss_change,
 		 m->res, m->multi_domain_capability_implemented,
@@ -1088,7 +1074,7 @@ static void at76_dump_mib_mac(struct at76_priv *priv)
 		 "cwmin %d cwmax %d short_retry_time %d long_retry_time %d "
 		 "scan_type %d scan_channel %d probe_delay %u "
 		 "min_channel_time %d max_channel_time %d listen_int %d "
-		 "desired_ssid %s desired_bssid %s desired_bsstype %d",
+		 "desired_ssid %s desired_bssid %pM desired_bsstype %d",
 		 wiphy_name(priv->hw->wiphy),
 		 le32_to_cpu(m->max_tx_msdu_lifetime),
 		 le32_to_cpu(m->max_rx_lifetime),
@@ -1100,7 +1086,7 @@ static void at76_dump_mib_mac(struct at76_priv *priv)
 		 le16_to_cpu(m->max_channel_time),
 		 le16_to_cpu(m->listen_interval),
 		 hex2str(m->desired_ssid, IW_ESSID_MAX_SIZE),
-		 mac2str(m->desired_bssid), m->desired_bsstype);
+		 m->desired_bssid, m->desired_bsstype);
 exit:
 	kfree(m);
 }
@@ -2292,9 +2278,9 @@ static int at76_init_new_device(struct at76_priv *priv,
 
 	priv->mac80211_registered = 1;
 
-	printk(KERN_INFO "%s: USB %s, MAC %s, firmware %d.%d.%d-%d\n",
+	printk(KERN_INFO "%s: USB %s, MAC %pM, firmware %d.%d.%d-%d\n",
 	       wiphy_name(priv->hw->wiphy),
-	       dev_name(&interface->dev), mac2str(priv->mac_addr),
+	       dev_name(&interface->dev), priv->mac_addr,
 	       priv->fw_version.major, priv->fw_version.minor,
 	       priv->fw_version.patch, priv->fw_version.build);
 	printk(KERN_INFO "%s: regulatory domain 0x%02x: %s\n",
-- 
GitLab


From 13b409cc8c1614090f256729ee0038438a6946f7 Mon Sep 17 00:00:00 2001
From: Jason Andryuk <jandryuk@gmail.com>
Date: Sun, 8 Nov 2009 19:02:19 -0500
Subject: [PATCH 1174/1815] at76c50x-usb: Supply additional parameters to
 at76_start_monitor scan request

For my Linksys WUSB11 at76c503-i3861 device, scanning fails without
probe_delay, min_channel_time, and max_channel_time specified for the
scan request.  These values were found by checking scan requests from
the at76_usb driver.

Signed-off-by: Jason Andryuk <jandryuk@gmail.com>
Acked-by: Kalle Valo <kalle.valo@iki.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/at76c50x-usb.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/wireless/at76c50x-usb.c b/drivers/net/wireless/at76c50x-usb.c
index be2e5962319..2517364d3eb 100644
--- a/drivers/net/wireless/at76c50x-usb.c
+++ b/drivers/net/wireless/at76c50x-usb.c
@@ -1188,6 +1188,9 @@ static int at76_start_monitor(struct at76_priv *priv)
 	scan.channel = priv->channel;
 	scan.scan_type = SCAN_TYPE_PASSIVE;
 	scan.international_scan = 0;
+	scan.min_channel_time = cpu_to_le16(priv->scan_min_time);
+	scan.max_channel_time = cpu_to_le16(priv->scan_max_time);
+	scan.probe_delay = cpu_to_le16(0);
 
 	ret = at76_set_card_command(priv->udev, CMD_SCAN, &scan, sizeof(scan));
 	if (ret >= 0)
-- 
GitLab


From b34e620faa843d746400e324580e9a9efd457e4d Mon Sep 17 00:00:00 2001
From: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Date: Mon, 9 Nov 2009 09:45:50 +0100
Subject: [PATCH 1175/1815] rt2x00: fix some typos and punctuation in comments

fix some typos and punctuation in comments

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt61pci.c | 36 +++++++++++++--------------
 1 file changed, 18 insertions(+), 18 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index ea8a86f4462..6e461351746 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -51,7 +51,7 @@ MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
  * These indirect registers work with busy bits,
  * and we will try maximal REGISTER_BUSY_COUNT times to access
  * the register while taking a REGISTER_BUSY_DELAY us delay
- * between each attampt. When the busy bit is still set at that time,
+ * between each attempt. When the busy bit is still set at that time,
  * the access attempt is considered to have failed,
  * and we will print an error.
  */
@@ -386,7 +386,7 @@ static int rt61pci_config_shared_key(struct rt2x00_dev *rt2x00dev,
 		 * The driver does not support the IV/EIV generation
 		 * in hardware. However it doesn't support the IV/EIV
 		 * inside the ieee80211 frame either, but requires it
-		 * to be provided seperately for the descriptor.
+		 * to be provided separately for the descriptor.
 		 * rt2x00lib will cut the IV/EIV data out of all frames
 		 * given to us by mac80211, but we must tell mac80211
 		 * to generate the IV/EIV data.
@@ -397,7 +397,7 @@ static int rt61pci_config_shared_key(struct rt2x00_dev *rt2x00dev,
 	/*
 	 * SEC_CSR0 contains only single-bit fields to indicate
 	 * a particular key is valid. Because using the FIELD32()
-	 * defines directly will cause a lot of overhead we use
+	 * defines directly will cause a lot of overhead, we use
 	 * a calculation to determine the correct bit directly.
 	 */
 	mask = 1 << key->hw_key_idx;
@@ -425,11 +425,11 @@ static int rt61pci_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
 		/*
 		 * rt2x00lib can't determine the correct free
 		 * key_idx for pairwise keys. We have 2 registers
-		 * with key valid bits. The goal is simple, read
-		 * the first register, if that is full move to
+		 * with key valid bits. The goal is simple: read
+		 * the first register. If that is full, move to
 		 * the next register.
-		 * When both registers are full, we drop the key,
-		 * otherwise we use the first invalid entry.
+		 * When both registers are full, we drop the key.
+		 * Otherwise, we use the first invalid entry.
 		 */
 		rt2x00pci_register_read(rt2x00dev, SEC_CSR2, &reg);
 		if (reg && reg == ~0) {
@@ -464,8 +464,8 @@ static int rt61pci_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
 					      &addr_entry, sizeof(addr_entry));
 
 		/*
-		 * Enable pairwise lookup table for given BSS idx,
-		 * without this received frames will not be decrypted
+		 * Enable pairwise lookup table for given BSS idx.
+		 * Without this, received frames will not be decrypted
 		 * by the hardware.
 		 */
 		rt2x00pci_register_read(rt2x00dev, SEC_CSR4, &reg);
@@ -487,7 +487,7 @@ static int rt61pci_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
 	/*
 	 * SEC_CSR2 and SEC_CSR3 contain only single-bit fields to indicate
 	 * a particular key is valid. Because using the FIELD32()
-	 * defines directly will cause a lot of overhead we use
+	 * defines directly will cause a lot of overhead, we use
 	 * a calculation to determine the correct bit directly.
 	 */
 	if (key->hw_key_idx < 32) {
@@ -556,7 +556,7 @@ static void rt61pci_config_intf(struct rt2x00_dev *rt2x00dev,
 	if (flags & CONFIG_UPDATE_TYPE) {
 		/*
 		 * Clear current synchronisation setup.
-		 * For the Beacon base registers we only need to clear
+		 * For the Beacon base registers, we only need to clear
 		 * the first byte since that byte contains the VALID and OWNER
 		 * bits which (when set to 0) will invalidate the entire beacon.
 		 */
@@ -1168,8 +1168,8 @@ static int rt61pci_check_firmware(struct rt2x00_dev *rt2x00dev,
 		return FW_BAD_LENGTH;
 
 	/*
-	 * The last 2 bytes in the firmware array are the crc checksum itself,
-	 * this means that we should never pass those 2 bytes to the crc
+	 * The last 2 bytes in the firmware array are the crc checksum itself.
+	 * This means that we should never pass those 2 bytes to the crc
 	 * algorithm.
 	 */
 	fw_crc = (data[len - 2] << 8 | data[len - 1]);
@@ -1986,7 +1986,7 @@ static void rt61pci_fill_rxdone(struct queue_entry *entry,
 
 		/*
 		 * Hardware has stripped IV/EIV data from 802.11 frame during
-		 * decryption. It has provided the data seperately but rt2x00lib
+		 * decryption. It has provided the data separately but rt2x00lib
 		 * should decide if it should be reinserted.
 		 */
 		rxdesc->flags |= RX_FLAG_IV_STRIPPED;
@@ -2042,7 +2042,7 @@ static void rt61pci_txdone(struct rt2x00_dev *rt2x00dev)
 	 * During each loop we will compare the freshly read
 	 * STA_CSR4 register value with the value read from
 	 * the previous loop. If the 2 values are equal then
-	 * we should stop processing because the chance it
+	 * we should stop processing because the chance is
 	 * quite big that the device has been unplugged and
 	 * we risk going into an endless loop.
 	 */
@@ -2330,7 +2330,7 @@ static int rt61pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
 		__set_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags);
 
 	/*
-	 * Detect if this device has an hardware controlled radio.
+	 * Detect if this device has a hardware controlled radio.
 	 */
 	if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO))
 		__set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
@@ -2355,7 +2355,7 @@ static int rt61pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
 		__set_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
 
 	/*
-	 * When working with a RF2529 chip without double antenna
+	 * When working with a RF2529 chip without double antenna,
 	 * the antenna settings should be gathered from the NIC
 	 * eeprom word.
 	 */
@@ -2668,7 +2668,7 @@ static int rt61pci_conf_tx(struct ieee80211_hw *hw, u16 queue_idx,
 
 	/*
 	 * We only need to perform additional register initialization
-	 * for WMM queues/
+	 * for WMM queues.
 	 */
 	if (queue_idx >= 4)
 		return 0;
-- 
GitLab


From e5d6eb8305a4c116fc94ce28b8136c538c92442f Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Mon, 9 Nov 2009 16:03:22 -0500
Subject: [PATCH 1176/1815] mac80211: fix max HT rate processing on mac80211

The max MCS index is 76, fix the higher check to allow through
frames received at MCS 76. This is a non-issue for current drivers
as MCS 76 is only possible with a device supporting 4 spatial
streams.

While at it change the WARN_ON() on invalid HT rates to a WARN()
to provide more useful information. This will help debug issues
when the driver is passing up a bogus HT rate value.

The rate must map to a valid MCS index which can be any of the
values in the set [0 - 76] (inclusive).

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/rx.c | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 76478362a53..006cf89df70 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -2441,9 +2441,21 @@ void ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb)
 		goto drop;
 
 	if (status->flag & RX_FLAG_HT) {
-		/* rate_idx is MCS index */
-		if (WARN_ON(status->rate_idx < 0 ||
-			    status->rate_idx >= 76))
+		/*
+		 * rate_idx is MCS index, which can be [0-76] as documented on:
+		 *
+		 * http://wireless.kernel.org/en/developers/Documentation/ieee80211/802.11n
+		 *
+		 * Anything else would be some sort of driver or hardware error.
+		 * The driver should catch hardware errors.
+		 */
+		if (WARN((status->rate_idx < 0 ||
+			 status->rate_idx > 76),
+			 "Rate marked as an HT rate but passed "
+			 "status->rate_idx is not "
+			 "an MCS index [0-76]: %d (0x%02x)\n",
+			 status->rate_idx,
+			 status->rate_idx))
 			goto drop;
 		/* HT rates are not in the table - use the highest legacy rate
 		 * for now since other parts of mac80211 may not yet be fully
-- 
GitLab


From 41a2617064a8458178ccdf31ed2be2b4eade4a2a Mon Sep 17 00:00:00 2001
From: Gertjan van Wingerde <gwingerde@gmail.com>
Date: Mon, 9 Nov 2009 22:59:04 +0100
Subject: [PATCH 1177/1815] rt2x00: Fix typo in rf programming of rt2800lib.

Fix a type in rt2800_config_channel_rt3x. The second write to RF
register 2 should be to RF register 3.  This is confirmed by the
legacy Ralink code.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800lib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index a0d5901bf50..eb6d12911b9 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -774,7 +774,7 @@ static void rt2800_config_channel_rt3x(struct rt2x00_dev *rt2x00dev,
 	u8 rfcsr;
 
 	rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
-	rt2800_rfcsr_write(rt2x00dev, 2, rf->rf3);
+	rt2800_rfcsr_write(rt2x00dev, 3, rf->rf3);
 
 	rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
 	rt2x00_set_field8(&rfcsr, RFCSR6_R, rf->rf2);
-- 
GitLab


From 434a8a58d75faa7170807a7ac2fcf7f3d85a0dc3 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Wed, 11 Nov 2009 18:53:00 -0800
Subject: [PATCH 1178/1815] ipv6: Remove unused var in inet6_dump_ifinfo()

Reported by Stephen Rothwell:

--------------------
Today's linux-next build (x86_64 allmodconfig) produced this warning:

net/ipv6/addrconf.c: In function 'inet6_dump_ifinfo':
net/ipv6/addrconf.c:3833: warning: unused variable 'err'

Introduced by commit 84d2697d9649339215675551eae28ba04068dea1 ("ipv6:
speedup inet6_dump_ifinfo()").
--------------------

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/addrconf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 0ab39fedd2d..9ff8ab9a154 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3830,7 +3830,7 @@ static int inet6_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
 {
 	struct net *net = sock_net(skb->sk);
 	int h, s_h;
-	int idx = 0, err, s_idx;
+	int idx = 0, s_idx;
 	struct net_device *dev;
 	struct inet6_dev *idev;
 	struct hlist_head *head;
-- 
GitLab


From e84af6ddef0e447c56b256a2bb5a90af11bdac2e Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Tue, 10 Nov 2009 14:11:01 +0000
Subject: [PATCH 1179/1815] skbuff: Do not allow skb recycling with disabled
 IRQs

NAPI drivers try to recycle SKBs in their polling routine, but we
generally don't know the context in which the polling will be called,
and the skb recycling itself may require IRQs to be enabled.

This patch adds irqs_disabled() test to the skb_recycle_check()
routine, so that we'll not let the drivers hit the skb recycling
path with IRQs disabled.

As a side effect, this patch actually disables skb recycling for some
[broken] drivers. E.g. gianfar driver grabs an irqsave spinlock during
TX ring processing, and then tries to recycle an skb, and that caused
the following badness:

nf_conntrack version 0.5.0 (1008 buckets, 4032 max)
------------[ cut here ]------------
Badness at kernel/softirq.c:143
NIP: c003e3c4 LR: c423a528 CTR: c003e344
...
NIP [c003e3c4] local_bh_enable+0x80/0xc4
LR [c423a528] destroy_conntrack+0xd4/0x13c [nf_conntrack]
Call Trace:
[c15d1b60] [c003e32c] local_bh_disable+0x1c/0x34 (unreliable)
[c15d1b70] [c423a528] destroy_conntrack+0xd4/0x13c [nf_conntrack]
[c15d1b80] [c02c6370] nf_conntrack_destroy+0x3c/0x70

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/skbuff.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 80a96166df3..941bac90748 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -493,6 +493,9 @@ int skb_recycle_check(struct sk_buff *skb, int skb_size)
 {
 	struct skb_shared_info *shinfo;
 
+	if (irqs_disabled())
+		return 0;
+
 	if (skb_is_nonlinear(skb) || skb->fclone != SKB_FCLONE_UNAVAILABLE)
 		return 0;
 
-- 
GitLab


From 4dea29d06641da5dd6f83000536c48335333e042 Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Tue, 10 Nov 2009 14:11:03 +0000
Subject: [PATCH 1180/1815] gianfar: Remove 'Interrupt problem!' warning

It is OK to poll with disabled IRQs, so remove the warning.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/gianfar.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 197b358e636..79c28f55ba9 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -2504,8 +2504,6 @@ int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue, int rx_work_limit)
 				skb_put(skb, pkt_len);
 				dev->stats.rx_bytes += pkt_len;
 
-				if (in_irq() || irqs_disabled())
-					printk("Interrupt problem!\n");
 				gfar_process_frame(dev, skb, amount_pull);
 
 			} else {
-- 
GitLab


From 5ea681d4e6c01b191f01644024f35901721fa438 Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Tue, 10 Nov 2009 14:11:05 +0000
Subject: [PATCH 1181/1815] gianfar: Fix build with CONFIG_PM=y

commit fba4ed030cfae7efdb6b79a57b0c5a9d72c9 ("gianfar: Add Multiple
Queue Support") introduced the following build failure:

  CC      gianfar.o
gianfar.c: In function 'gfar_restore':
gianfar.c:1249: error: request for member 'napi' in something not a structure or union

This patch fixes the issue.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/gianfar.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 79c28f55ba9..a5b0038a8d9 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -1246,7 +1246,7 @@ static int gfar_restore(struct device *dev)
 		phy_start(priv->phydev);
 
 	netif_device_attach(ndev);
-	napi_enable(&priv->gfargrp.napi);
+	enable_napi(priv);
 
 	return 0;
 }
-- 
GitLab


From 499428ed28d800eb5cf25889bb1e026637d99dfc Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Tue, 10 Nov 2009 14:11:07 +0000
Subject: [PATCH 1182/1815] gianfar: Fix thinko in gfar_set_rx_stash_index()

We obviously want to write a modified 'temp' value back to the
register, not the saved IRQ flags.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/gianfar_sysfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/gianfar_sysfs.c b/drivers/net/gianfar_sysfs.c
index 3724835d285..b31c9c8876e 100644
--- a/drivers/net/gianfar_sysfs.c
+++ b/drivers/net/gianfar_sysfs.c
@@ -186,7 +186,7 @@ static ssize_t gfar_set_rx_stash_index(struct device *dev,
 	temp = gfar_read(&regs->attreli);
 	temp &= ~ATTRELI_EI_MASK;
 	temp |= ATTRELI_EI(index);
-	gfar_write(&regs->attreli, flags);
+	gfar_write(&regs->attreli, temp);
 
 out:
 	unlock_rx_qs(priv);
-- 
GitLab


From 836cf7faf8c75743477ed6ed341cce491f3183fb Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Tue, 10 Nov 2009 14:11:08 +0000
Subject: [PATCH 1183/1815] gianfar: Fix race between gfar_error() and
 gfar_start_xmit()

gfar_error() can arrive at the middle of gfar_start_xmit() processing,
and so it can trigger transfers of BDs that we don't yet expect to
be transmitted.

Fix this by locking the tx queues in gfar_error().

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/gianfar.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index a5b0038a8d9..fde430a0b84 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -2943,14 +2943,22 @@ static irqreturn_t gfar_error(int irq, void *grp_id)
 		if (events & IEVENT_CRL)
 			dev->stats.tx_aborted_errors++;
 		if (events & IEVENT_XFUN) {
+			unsigned long flags;
+
 			if (netif_msg_tx_err(priv))
 				printk(KERN_DEBUG "%s: TX FIFO underrun, "
 				       "packet dropped.\n", dev->name);
 			dev->stats.tx_dropped++;
 			priv->extra_stats.tx_underrun++;
 
+			local_irq_save(flags);
+			lock_tx_qs(priv);
+
 			/* Reactivate the Tx Queues */
 			gfar_write(&regs->tstat, gfargrp->tstat);
+
+			unlock_tx_qs(priv);
+			local_irq_restore(flags);
 		}
 		if (netif_msg_tx_err(priv))
 			printk(KERN_DEBUG "%s: Transmit Error\n", dev->name);
-- 
GitLab


From a3bc1f11e9b867a4f49505ecac486a33af248b2e Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Tue, 10 Nov 2009 14:11:10 +0000
Subject: [PATCH 1184/1815] gianfar: Revive SKB recycling

Before calling gfar_clean_tx_ring() the driver grabs an irqsave
spinlock, and then tries to recycle skbs. But since
skb_recycle_check() returns 0 with IRQs disabled, we'll never
recycle any skbs.

It appears that gfar_clean_tx_ring() and gfar_start_xmit() are
mostly idependent and can work in parallel, except when they
modify num_txbdfree.

So we can drop the lock from most sections and thus fix the skb
recycling.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/gianfar.c | 31 +++++++++++++++++++------------
 1 file changed, 19 insertions(+), 12 deletions(-)

diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index fde430a0b84..16def131c39 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -1928,14 +1928,11 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	/* total number of fragments in the SKB */
 	nr_frags = skb_shinfo(skb)->nr_frags;
 
-	spin_lock_irqsave(&tx_queue->txlock, flags);
-
 	/* check if there is space to queue this packet */
 	if ((nr_frags+1) > tx_queue->num_txbdfree) {
 		/* no space, stop the queue */
 		netif_tx_stop_queue(txq);
 		dev->stats.tx_fifo_errors++;
-		spin_unlock_irqrestore(&tx_queue->txlock, flags);
 		return NETDEV_TX_BUSY;
 	}
 
@@ -1998,6 +1995,20 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
 	lstatus |= BD_LFLAG(TXBD_CRC | TXBD_READY) | skb_headlen(skb);
 
+	/*
+	 * We can work in parallel with gfar_clean_tx_ring(), except
+	 * when modifying num_txbdfree. Note that we didn't grab the lock
+	 * when we were reading the num_txbdfree and checking for available
+	 * space, that's because outside of this function it can only grow,
+	 * and once we've got needed space, it cannot suddenly disappear.
+	 *
+	 * The lock also protects us from gfar_error(), which can modify
+	 * regs->tstat and thus retrigger the transfers, which is why we
+	 * also must grab the lock before setting ready bit for the first
+	 * to be transmitted BD.
+	 */
+	spin_lock_irqsave(&tx_queue->txlock, flags);
+
 	/*
 	 * The powerpc-specific eieio() is used, as wmb() has too strong
 	 * semantics (it requires synchronization between cacheable and
@@ -2225,6 +2236,8 @@ static int gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue)
 	skb_dirtytx = tx_queue->skb_dirtytx;
 
 	while ((skb = tx_queue->tx_skbuff[skb_dirtytx])) {
+		unsigned long flags;
+
 		frags = skb_shinfo(skb)->nr_frags;
 		lbdp = skip_txbd(bdp, frags, base, tx_ring_size);
 
@@ -2269,7 +2282,9 @@ static int gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue)
 			TX_RING_MOD_MASK(tx_ring_size);
 
 		howmany++;
+		spin_lock_irqsave(&tx_queue->txlock, flags);
 		tx_queue->num_txbdfree += frags + 1;
+		spin_unlock_irqrestore(&tx_queue->txlock, flags);
 	}
 
 	/* If we freed a buffer, we can restart transmission, if necessary */
@@ -2548,7 +2563,6 @@ static int gfar_poll(struct napi_struct *napi, int budget)
 	int tx_cleaned = 0, i, left_over_budget = budget;
 	unsigned long serviced_queues = 0;
 	int num_queues = 0;
-	unsigned long flags;
 
 	num_queues = gfargrp->num_rx_queues;
 	budget_per_queue = budget/num_queues;
@@ -2568,14 +2582,7 @@ static int gfar_poll(struct napi_struct *napi, int budget)
 			rx_queue = priv->rx_queue[i];
 			tx_queue = priv->tx_queue[rx_queue->qindex];
 
-			/* If we fail to get the lock,
-			 * don't bother with the TX BDs */
-			if (spin_trylock_irqsave(&tx_queue->txlock, flags)) {
-				tx_cleaned += gfar_clean_tx_ring(tx_queue);
-				spin_unlock_irqrestore(&tx_queue->txlock,
-							flags);
-			}
-
+			tx_cleaned += gfar_clean_tx_ring(tx_queue);
 			rx_cleaned_per_queue = gfar_clean_rx_ring(rx_queue,
 							budget_per_queue);
 			rx_cleaned += rx_cleaned_per_queue;
-- 
GitLab


From 3586e0a9a4a5f19110627d6ba81ada32a358467d Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Wed, 11 Nov 2009 19:06:30 -0800
Subject: [PATCH 1185/1815] clocksource/timecompare: Fix symbol exports to be
 GPL'd.

Noticed by Thomas GLeixner.

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 kernel/time/clocksource.c | 6 +++---
 kernel/time/timecompare.c | 6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 5e18c6ab2c6..4a310906b3e 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -39,7 +39,7 @@ void timecounter_init(struct timecounter *tc,
 	tc->cycle_last = cc->read(cc);
 	tc->nsec = start_tstamp;
 }
-EXPORT_SYMBOL(timecounter_init);
+EXPORT_SYMBOL_GPL(timecounter_init);
 
 /**
  * timecounter_read_delta - get nanoseconds since last call of this function
@@ -83,7 +83,7 @@ u64 timecounter_read(struct timecounter *tc)
 
 	return nsec;
 }
-EXPORT_SYMBOL(timecounter_read);
+EXPORT_SYMBOL_GPL(timecounter_read);
 
 u64 timecounter_cyc2time(struct timecounter *tc,
 			 cycle_t cycle_tstamp)
@@ -105,7 +105,7 @@ u64 timecounter_cyc2time(struct timecounter *tc,
 
 	return nsec;
 }
-EXPORT_SYMBOL(timecounter_cyc2time);
+EXPORT_SYMBOL_GPL(timecounter_cyc2time);
 
 /*[Clocksource internal variables]---------
  * curr_clocksource:
diff --git a/kernel/time/timecompare.c b/kernel/time/timecompare.c
index 71e7f1a1915..96ff643a5a5 100644
--- a/kernel/time/timecompare.c
+++ b/kernel/time/timecompare.c
@@ -40,7 +40,7 @@ ktime_t timecompare_transform(struct timecompare *sync,
 
 	return ns_to_ktime(nsec);
 }
-EXPORT_SYMBOL(timecompare_transform);
+EXPORT_SYMBOL_GPL(timecompare_transform);
 
 int timecompare_offset(struct timecompare *sync,
 		       s64 *offset,
@@ -131,7 +131,7 @@ int timecompare_offset(struct timecompare *sync,
 
 	return used;
 }
-EXPORT_SYMBOL(timecompare_offset);
+EXPORT_SYMBOL_GPL(timecompare_offset);
 
 void __timecompare_update(struct timecompare *sync,
 			  u64 source_tstamp)
@@ -188,4 +188,4 @@ void __timecompare_update(struct timecompare *sync,
 		}
 	}
 }
-EXPORT_SYMBOL(__timecompare_update);
+EXPORT_SYMBOL_GPL(__timecompare_update);
-- 
GitLab


From 4fc9b8697cdb42f7df322fb97e635491e182ae65 Mon Sep 17 00:00:00 2001
From: Ron Mercer <ron.mercer@qlogic.com>
Date: Wed, 11 Nov 2009 12:54:03 +0000
Subject: [PATCH 1186/1815] qlge: Do not change frame routing during suspend.

We do not need to change the frame routing to direct all frames to the
management fifo during suspend.  This is now done by the firmware.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/qlge/qlge_main.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index bd8e164b121..2bfa783b38a 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -3514,9 +3514,6 @@ int ql_wol(struct ql_adapter *qdev)
 	}
 
 	if (qdev->wol) {
-		/* Reroute all packets to Management Interface */
-		ql_write32(qdev, MGMT_RCV_CFG, (MGMT_RCV_CFG_RM |
-			(MGMT_RCV_CFG_RM << 16)));
 		wol |= MB_WOL_MODE_ON;
 		status = ql_mb_wol_mode(qdev, wol);
 		QPRINTK(qdev, DRV, ERR, "WOL %s (wol code 0x%x) on %s\n",
-- 
GitLab


From 74e1243549d1ce7f7a94d88bd0c104dec3dfc66b Mon Sep 17 00:00:00 2001
From: Ron Mercer <ron.mercer@qlogic.com>
Date: Wed, 11 Nov 2009 12:54:04 +0000
Subject: [PATCH 1187/1815] qlge: Add asic reset to open call.

Force asic to known state at open().

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/qlge/qlge_main.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 2bfa783b38a..d2a4bbe5ef3 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -3714,6 +3714,10 @@ static int qlge_open(struct net_device *ndev)
 	int err = 0;
 	struct ql_adapter *qdev = netdev_priv(ndev);
 
+	err = ql_adapter_reset(qdev);
+	if (err)
+		return err;
+
 	err = ql_configure_rings(qdev);
 	if (err)
 		return err;
-- 
GitLab


From a5a62a1c7fbb1a1257a968ceaee48480007c2bea Mon Sep 17 00:00:00 2001
From: Ron Mercer <ron.mercer@qlogic.com>
Date: Wed, 11 Nov 2009 12:54:05 +0000
Subject: [PATCH 1188/1815] qlge: Clean up module parameter name.

Change it to match qlge_xxx convention.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/qlge/qlge_main.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index d2a4bbe5ef3..e2ee47d9bca 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -69,9 +69,9 @@ MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
 #define MSIX_IRQ 0
 #define MSI_IRQ 1
 #define LEG_IRQ 2
-static int irq_type = MSIX_IRQ;
-module_param(irq_type, int, MSIX_IRQ);
-MODULE_PARM_DESC(irq_type, "0 = MSI-X, 1 = MSI, 2 = Legacy.");
+static int qlge_irq_type = MSIX_IRQ;
+module_param(qlge_irq_type, int, MSIX_IRQ);
+MODULE_PARM_DESC(qlge_irq_type, "0 = MSI-X, 1 = MSI, 2 = Legacy.");
 
 static struct pci_device_id qlge_pci_tbl[] __devinitdata = {
 	{PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, QLGE_DEVICE_ID_8012)},
@@ -2870,7 +2870,7 @@ static void ql_enable_msix(struct ql_adapter *qdev)
 	int i, err;
 
 	/* Get the MSIX vectors. */
-	if (irq_type == MSIX_IRQ) {
+	if (qlge_irq_type == MSIX_IRQ) {
 		/* Try to alloc space for the msix struct,
 		 * if it fails then go to MSI/legacy.
 		 */
@@ -2878,7 +2878,7 @@ static void ql_enable_msix(struct ql_adapter *qdev)
 					    sizeof(struct msix_entry),
 					    GFP_KERNEL);
 		if (!qdev->msi_x_entry) {
-			irq_type = MSI_IRQ;
+			qlge_irq_type = MSI_IRQ;
 			goto msi;
 		}
 
@@ -2901,7 +2901,7 @@ static void ql_enable_msix(struct ql_adapter *qdev)
 			QPRINTK(qdev, IFUP, WARNING,
 				"MSI-X Enable failed, trying MSI.\n");
 			qdev->intr_count = 1;
-			irq_type = MSI_IRQ;
+			qlge_irq_type = MSI_IRQ;
 		} else if (err == 0) {
 			set_bit(QL_MSIX_ENABLED, &qdev->flags);
 			QPRINTK(qdev, IFUP, INFO,
@@ -2912,7 +2912,7 @@ static void ql_enable_msix(struct ql_adapter *qdev)
 	}
 msi:
 	qdev->intr_count = 1;
-	if (irq_type == MSI_IRQ) {
+	if (qlge_irq_type == MSI_IRQ) {
 		if (!pci_enable_msi(qdev->pdev)) {
 			set_bit(QL_MSI_ENABLED, &qdev->flags);
 			QPRINTK(qdev, IFUP, INFO,
@@ -2920,7 +2920,7 @@ msi:
 			return;
 		}
 	}
-	irq_type = LEG_IRQ;
+	qlge_irq_type = LEG_IRQ;
 	QPRINTK(qdev, IFUP, DEBUG, "Running with legacy interrupts.\n");
 }
 
-- 
GitLab


From 7e5ca6a22de8fa79897daae51d76b473e44f8066 Mon Sep 17 00:00:00 2001
From: Ron Mercer <ron.mercer@qlogic.com>
Date: Wed, 11 Nov 2009 12:54:06 +0000
Subject: [PATCH 1189/1815] qlge: Change version to v1.00.00.23.00.00-01.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/qlge/qlge.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h
index 1f59f054452..862c1aaf386 100644
--- a/drivers/net/qlge/qlge.h
+++ b/drivers/net/qlge/qlge.h
@@ -16,7 +16,7 @@
  */
 #define DRV_NAME  	"qlge"
 #define DRV_STRING 	"QLogic 10 Gigabit PCI-E Ethernet Driver "
-#define DRV_VERSION	"v1.00.00-b3"
+#define DRV_VERSION	"v1.00.00.23.00.00-01"
 
 #define PFX "qlge: "
 #define QPRINTK(qdev, nlevel, klevel, fmt, args...)     \
-- 
GitLab


From 08e9897d512fe7a67e46209543b3815b57a36dc7 Mon Sep 17 00:00:00 2001
From: stephen hemminger <shemminger@vyatta.com>
Date: Tue, 10 Nov 2009 07:20:34 +0000
Subject: [PATCH 1190/1815] netdev: fold name hash properly (v3)

The full_name_hash function does not produce well distributed values in
the lower bits, so most code uses hash_32() to fold it.  This is really
a bug introduced when name hashing was added, back in 2.5 when I added
name hashing.

hash_32 is all that is needed since full_name_hash returns unsigned int
which is only 32 bits on 64 bit platforms.

Also, there is no point in using hash_32 on ifindex, because the is naturally
sequential and usually well distributed.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/dev.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/core/dev.c b/net/core/dev.c
index bf629ac08b8..ad8e320ceba 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -79,6 +79,7 @@
 #include <linux/cpu.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
+#include <linux/hash.h>
 #include <linux/sched.h>
 #include <linux/mutex.h>
 #include <linux/string.h>
@@ -196,7 +197,7 @@ EXPORT_SYMBOL(dev_base_lock);
 static inline struct hlist_head *dev_name_hash(struct net *net, const char *name)
 {
 	unsigned hash = full_name_hash(name, strnlen(name, IFNAMSIZ));
-	return &net->dev_name_head[hash & (NETDEV_HASHENTRIES - 1)];
+	return &net->dev_name_head[hash_32(hash, NETDEV_HASHBITS)];
 }
 
 static inline struct hlist_head *dev_index_hash(struct net *net, int ifindex)
-- 
GitLab


From 41bdecf17e6dba92256c65972ec79a482d978be5 Mon Sep 17 00:00:00 2001
From: stephen hemminger <shemminger@vyatta.com>
Date: Wed, 11 Nov 2009 07:39:27 +0000
Subject: [PATCH 1191/1815] decnet: add RTNL lock when reading address list

Add missing locking in the case of auto binding to the
default device. The address list might change while this code is looking
at the list.

Compile tested only, I am not a decnet user.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/decnet/dn_dev.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index b5ef237c8a7..5790d660bc7 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -828,13 +828,17 @@ static int dn_dev_get_first(struct net_device *dev, __le16 *addr)
 	struct dn_dev *dn_db = (struct dn_dev *)dev->dn_ptr;
 	struct dn_ifaddr *ifa;
 	int rv = -ENODEV;
+
 	if (dn_db == NULL)
 		goto out;
+
+	rtnl_lock();
 	ifa = dn_db->ifa_list;
 	if (ifa != NULL) {
 		*addr = ifa->ifa_local;
 		rv = 0;
 	}
+	rtnl_unlock();
 out:
 	return rv;
 }
-- 
GitLab


From e5c140a340c4796054b0f6e9035e1faa7edfa6d6 Mon Sep 17 00:00:00 2001
From: stephen hemminger <shemminger@vyatta.com>
Date: Wed, 11 Nov 2009 07:40:36 +0000
Subject: [PATCH 1192/1815] decnet: convert dndev_lock to spinlock

There is no reason for this lock to be reader/writer since
the reader only has lock held for a very brief period.
The overhead of read_lock is more expensive than spinlock.

Compile tested only, I am not a decnet user.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/decnet/dn_dev.c | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index 5790d660bc7..6c916e2b8a8 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -68,7 +68,7 @@ extern struct neigh_table dn_neigh_table;
  */
 __le16 decnet_address = 0;
 
-static DEFINE_RWLOCK(dndev_lock);
+static DEFINE_SPINLOCK(dndev_lock);
 static struct net_device *decnet_default_device;
 static BLOCKING_NOTIFIER_HEAD(dnaddr_chain);
 
@@ -557,7 +557,8 @@ rarok:
 struct net_device *dn_dev_get_default(void)
 {
 	struct net_device *dev;
-	read_lock(&dndev_lock);
+
+	spin_lock(&dndev_lock);
 	dev = decnet_default_device;
 	if (dev) {
 		if (dev->dn_ptr)
@@ -565,7 +566,8 @@ struct net_device *dn_dev_get_default(void)
 		else
 			dev = NULL;
 	}
-	read_unlock(&dndev_lock);
+	spin_unlock(&dndev_lock);
+
 	return dev;
 }
 
@@ -575,13 +577,15 @@ int dn_dev_set_default(struct net_device *dev, int force)
 	int rv = -EBUSY;
 	if (!dev->dn_ptr)
 		return -ENODEV;
-	write_lock(&dndev_lock);
+
+	spin_lock(&dndev_lock);
 	if (force || decnet_default_device == NULL) {
 		old = decnet_default_device;
 		decnet_default_device = dev;
 		rv = 0;
 	}
-	write_unlock(&dndev_lock);
+	spin_unlock(&dndev_lock);
+
 	if (old)
 		dev_put(old);
 	return rv;
@@ -589,13 +593,14 @@ int dn_dev_set_default(struct net_device *dev, int force)
 
 static void dn_dev_check_default(struct net_device *dev)
 {
-	write_lock(&dndev_lock);
+	spin_lock(&dndev_lock);
 	if (dev == decnet_default_device) {
 		decnet_default_device = NULL;
 	} else {
 		dev = NULL;
 	}
-	write_unlock(&dndev_lock);
+	spin_unlock(&dndev_lock);
+
 	if (dev)
 		dev_put(dev);
 }
-- 
GitLab


From f9254edaabfc48f5a28bb5a88c6db48704cc058d Mon Sep 17 00:00:00 2001
From: Ali Gholami Rudi <ali@rudi.ir>
Date: Tue, 10 Nov 2009 06:40:06 +0000
Subject: [PATCH 1193/1815] ixgbe: r_idx not used in ixgbe_msix_clean_rx()

The values of r_idx and rx_ring are not used after the last time they
are set in ixgbe_msix_clean_rx(), so they can be removed.

Signed-off-by: Ali Gholami Rudi <ali@rudi.ir>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ixgbe/ixgbe_main.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 448e84d5660..afd49e04a56 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -1339,8 +1339,6 @@ static irqreturn_t ixgbe_msix_clean_rx(int irq, void *data)
 	if (!q_vector->rxr_count)
 		return IRQ_HANDLED;
 
-	r_idx = find_first_bit(q_vector->rxr_idx, adapter->num_rx_queues);
-	rx_ring = &(adapter->rx_ring[r_idx]);
 	/* disable interrupts on this vector only */
 	ixgbe_irq_disable_queues(adapter, ((u64)1 << q_vector->v_idx));
 	napi_schedule(&q_vector->napi);
-- 
GitLab


From c029f4440fd3f0dcc6923f917536fd62d6ef5d1d Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben@simtec.co.uk>
Date: Tue, 10 Nov 2009 07:22:24 +0000
Subject: [PATCH 1194/1815] DM9000: Wake on LAN support

Add support for Wake on LAN (WOL) reception and waking the device up from
this signal via the ethtool interface. Currently we are only supporting
the magic-packet variant of wakeup.

WOL is enabled by specifying a second interrupt resource to the driver
which indicates where the interrupt for the WOL is being signalled. This
then enables the necessary ethtool calls to leave the device in a state
to receive WOL frames when going into suspend.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Simtec Linux Team <linux@simtec.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/dm9000.c | 143 ++++++++++++++++++++++++++++++++++++++++---
 drivers/net/dm9000.h |   7 +++
 2 files changed, 142 insertions(+), 8 deletions(-)

diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c
index 31b8bef49d2..3aab2e46600 100644
--- a/drivers/net/dm9000.c
+++ b/drivers/net/dm9000.c
@@ -100,6 +100,7 @@ typedef struct board_info {
 
 	unsigned int	flags;
 	unsigned int	in_suspend :1;
+	unsigned int	wake_supported :1;
 	int		debug_level;
 
 	enum dm9000_type type;
@@ -116,6 +117,8 @@ typedef struct board_info {
 	struct resource *data_req;
 	struct resource *irq_res;
 
+	int		 irq_wake;
+
 	struct mutex	 addr_lock;	/* phy and eeprom access lock */
 
 	struct delayed_work phy_poll;
@@ -125,6 +128,7 @@ typedef struct board_info {
 
 	struct mii_if_info mii;
 	u32		msg_enable;
+	u32		wake_state;
 
 	int		rx_csum;
 	int		can_csum;
@@ -568,6 +572,54 @@ static int dm9000_set_eeprom(struct net_device *dev,
 	return 0;
 }
 
+static void dm9000_get_wol(struct net_device *dev, struct ethtool_wolinfo *w)
+{
+	board_info_t *dm = to_dm9000_board(dev);
+
+	memset(w, 0, sizeof(struct ethtool_wolinfo));
+
+	/* note, we could probably support wake-phy too */
+	w->supported = dm->wake_supported ? WAKE_MAGIC : 0;
+	w->wolopts = dm->wake_state;
+}
+
+static int dm9000_set_wol(struct net_device *dev, struct ethtool_wolinfo *w)
+{
+	board_info_t *dm = to_dm9000_board(dev);
+	unsigned long flags;
+	u32 opts = w->wolopts;
+	u32 wcr = 0;
+
+	if (!dm->wake_supported)
+		return -EOPNOTSUPP;
+
+	if (opts & ~WAKE_MAGIC)
+		return -EINVAL;
+
+	if (opts & WAKE_MAGIC)
+		wcr |= WCR_MAGICEN;
+
+	mutex_lock(&dm->addr_lock);
+
+	spin_lock_irqsave(&dm->lock, flags);
+	iow(dm, DM9000_WCR, wcr);
+	spin_unlock_irqrestore(&dm->lock, flags);
+
+	mutex_unlock(&dm->addr_lock);
+
+	if (dm->wake_state != opts) {
+		/* change in wol state, update IRQ state */
+
+		if (!dm->wake_state)
+			set_irq_wake(dm->irq_wake, 1);
+		else if (dm->wake_state & !opts)
+			set_irq_wake(dm->irq_wake, 0);
+	}
+
+	dm->wake_state = opts;
+	return 0;
+}
+
 static const struct ethtool_ops dm9000_ethtool_ops = {
 	.get_drvinfo		= dm9000_get_drvinfo,
 	.get_settings		= dm9000_get_settings,
@@ -576,6 +628,8 @@ static const struct ethtool_ops dm9000_ethtool_ops = {
 	.set_msglevel		= dm9000_set_msglevel,
 	.nway_reset		= dm9000_nway_reset,
 	.get_link		= dm9000_get_link,
+	.get_wol		= dm9000_get_wol,
+	.set_wol		= dm9000_set_wol,
  	.get_eeprom_len		= dm9000_get_eeprom_len,
  	.get_eeprom		= dm9000_get_eeprom,
  	.set_eeprom		= dm9000_set_eeprom,
@@ -722,6 +776,7 @@ dm9000_init_dm9000(struct net_device *dev)
 {
 	board_info_t *db = netdev_priv(dev);
 	unsigned int imr;
+	unsigned int ncr;
 
 	dm9000_dbg(db, 1, "entering %s\n", __func__);
 
@@ -736,8 +791,15 @@ dm9000_init_dm9000(struct net_device *dev)
 	iow(db, DM9000_GPCR, GPCR_GEP_CNTL);	/* Let GPIO0 output */
 	iow(db, DM9000_GPR, 0);	/* Enable PHY */
 
-	if (db->flags & DM9000_PLATF_EXT_PHY)
-		iow(db, DM9000_NCR, NCR_EXT_PHY);
+	ncr = (db->flags & DM9000_PLATF_EXT_PHY) ? NCR_EXT_PHY : 0;
+
+	/* if wol is needed, then always set NCR_WAKEEN otherwise we end
+	 * up dumping the wake events if we disable this. There is already
+	 * a wake-mask in DM9000_WCR */
+	if (db->wake_supported)
+		ncr |= NCR_WAKEEN;
+
+	iow(db, DM9000_NCR, ncr);
 
 	/* Program operating register */
 	iow(db, DM9000_TCR, 0);	        /* TX Polling clear */
@@ -1045,6 +1107,41 @@ static irqreturn_t dm9000_interrupt(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
+static irqreturn_t dm9000_wol_interrupt(int irq, void *dev_id)
+{
+	struct net_device *dev = dev_id;
+	board_info_t *db = netdev_priv(dev);
+	unsigned long flags;
+	unsigned nsr, wcr;
+
+	spin_lock_irqsave(&db->lock, flags);
+
+	nsr = ior(db, DM9000_NSR);
+	wcr = ior(db, DM9000_WCR);
+
+	dev_dbg(db->dev, "%s: NSR=0x%02x, WCR=0x%02x\n", __func__, nsr, wcr);
+
+	if (nsr & NSR_WAKEST) {
+		/* clear, so we can avoid */
+		iow(db, DM9000_NSR, NSR_WAKEST);
+
+		if (wcr & WCR_LINKST)
+			dev_info(db->dev, "wake by link status change\n");
+		if (wcr & WCR_SAMPLEST)
+			dev_info(db->dev, "wake by sample packet\n");
+		if (wcr & WCR_MAGICST )
+			dev_info(db->dev, "wake by magic packet\n");
+		if (!(wcr & (WCR_LINKST | WCR_SAMPLEST | WCR_MAGICST)))
+			dev_err(db->dev, "wake signalled with no reason? "
+				"NSR=0x%02x, WSR=0x%02x\n", nsr, wcr);
+
+	}
+
+	spin_unlock_irqrestore(&db->lock, flags);
+
+	return (nsr & NSR_WAKEST) ? IRQ_HANDLED : IRQ_NONE;
+}
+
 #ifdef CONFIG_NET_POLL_CONTROLLER
 /*
  *Used by netconsole
@@ -1299,6 +1396,29 @@ dm9000_probe(struct platform_device *pdev)
 		goto out;
 	}
 
+	db->irq_wake = platform_get_irq(pdev, 1);
+	if (db->irq_wake >= 0) {
+		dev_dbg(db->dev, "wakeup irq %d\n", db->irq_wake);
+
+		ret = request_irq(db->irq_wake, dm9000_wol_interrupt,
+				  IRQF_SHARED, dev_name(db->dev), ndev);
+		if (ret) {
+			dev_err(db->dev, "cannot get wakeup irq (%d)\n", ret);
+		} else {
+
+			/* test to see if irq is really wakeup capable */
+			ret = set_irq_wake(db->irq_wake, 1);
+			if (ret) {
+				dev_err(db->dev, "irq %d cannot set wakeup (%d)\n",
+					db->irq_wake, ret);
+				ret = 0;
+			} else {
+				set_irq_wake(db->irq_wake, 0);
+				db->wake_supported = 1;
+			}
+		}
+	}
+
 	iosize = resource_size(db->addr_res);
 	db->addr_req = request_mem_region(db->addr_res->start, iosize,
 					  pdev->name);
@@ -1490,10 +1610,14 @@ dm9000_drv_suspend(struct device *dev)
 		db = netdev_priv(ndev);
 		db->in_suspend = 1;
 
-		if (netif_running(ndev)) {
-			netif_device_detach(ndev);
+		if (!netif_running(ndev))
+			return 0;
+
+		netif_device_detach(ndev);
+
+		/* only shutdown if not using WoL */
+		if (!db->wake_state)
 			dm9000_shutdown(ndev);
-		}
 	}
 	return 0;
 }
@@ -1506,10 +1630,13 @@ dm9000_drv_resume(struct device *dev)
 	board_info_t *db = netdev_priv(ndev);
 
 	if (ndev) {
-
 		if (netif_running(ndev)) {
-			dm9000_reset(db);
-			dm9000_init_dm9000(ndev);
+			/* reset if we were not in wake mode to ensure if
+			 * the device was powered off it is in a known state */
+			if (!db->wake_state) {
+				dm9000_reset(db);
+				dm9000_init_dm9000(ndev);
+			}
 
 			netif_device_attach(ndev);
 		}
diff --git a/drivers/net/dm9000.h b/drivers/net/dm9000.h
index fb1c924d79b..55688bd1a3e 100644
--- a/drivers/net/dm9000.h
+++ b/drivers/net/dm9000.h
@@ -111,6 +111,13 @@
 #define RSR_CE              (1<<1)
 #define RSR_FOE             (1<<0)
 
+#define WCR_LINKEN		(1 << 5)
+#define WCR_SAMPLEEN		(1 << 4)
+#define WCR_MAGICEN		(1 << 3)
+#define WCR_LINKST		(1 << 2)
+#define WCR_SAMPLEST		(1 << 1)
+#define WCR_MAGICST		(1 << 0)
+
 #define FCTR_HWOT(ot)	(( ot & 0xf ) << 4 )
 #define FCTR_LWOT(ot)	( ot & 0xf )
 
-- 
GitLab


From a2116ed223c88b6c424f42398e54d1607dc785ba Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Wed, 11 Nov 2009 03:39:40 +0000
Subject: [PATCH 1195/1815] net/compat: fix dev_ifsioc emulation corner cases

Handling for SIOCSHWTSTAMP is broken on architectures
with a split user/kernel address space like s390,
because it passes a real user pointer while using
set_fs(KERNEL_DS).
A similar problem might arise the next time somebody
adds code to dev_ifsioc.

Split up dev_ifsioc into three separate functions for
SIOCSHWTSTAMP, SIOC*IFMAP and all other numbers so
we can get rid of set_fs in all potentially affected
cases.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Patrick Ohly <patrick.ohly@intel.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/socket.c | 117 +++++++++++++++++++++++++++++++--------------------
 1 file changed, 72 insertions(+), 45 deletions(-)

diff --git a/net/socket.c b/net/socket.c
index befd9f5b162..05c482848a6 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -2723,38 +2723,15 @@ static int siocdevprivate_ioctl(struct net *net, unsigned int cmd,
 static int dev_ifsioc(struct net *net, struct socket *sock,
 			 unsigned int cmd, struct compat_ifreq __user *uifr32)
 {
-	struct ifreq ifr;
-	struct compat_ifmap __user *uifmap32;
-	mm_segment_t old_fs;
+	struct ifreq __user *uifr;
 	int err;
 
-	uifmap32 = &uifr32->ifr_ifru.ifru_map;
-	switch (cmd) {
-	case SIOCSIFMAP:
-		err = copy_from_user(&ifr, uifr32, sizeof(ifr.ifr_name));
-		err |= __get_user(ifr.ifr_map.mem_start, &uifmap32->mem_start);
-		err |= __get_user(ifr.ifr_map.mem_end, &uifmap32->mem_end);
-		err |= __get_user(ifr.ifr_map.base_addr, &uifmap32->base_addr);
-		err |= __get_user(ifr.ifr_map.irq, &uifmap32->irq);
-		err |= __get_user(ifr.ifr_map.dma, &uifmap32->dma);
-		err |= __get_user(ifr.ifr_map.port, &uifmap32->port);
-		if (err)
-			return -EFAULT;
-		break;
-	case SIOCSHWTSTAMP:
-		if (copy_from_user(&ifr, uifr32, sizeof(*uifr32)))
-			return -EFAULT;
-		ifr.ifr_data = compat_ptr(uifr32->ifr_ifru.ifru_data);
-		break;
-	default:
-		if (copy_from_user(&ifr, uifr32, sizeof(*uifr32)))
-			return -EFAULT;
-		break;
-	}
-	old_fs = get_fs();
-	set_fs (KERNEL_DS);
-	err = sock_do_ioctl(net, sock, cmd, (unsigned long)&ifr);
-	set_fs (old_fs);
+	uifr = compat_alloc_user_space(sizeof(*uifr));
+	if (copy_in_user(uifr, uifr32, sizeof(*uifr32)))
+		return -EFAULT;
+
+	err = sock_do_ioctl(net, sock, cmd, (unsigned long)uifr);
+
 	if (!err) {
 		switch (cmd) {
 		case SIOCGIFFLAGS:
@@ -2771,18 +2748,7 @@ static int dev_ifsioc(struct net *net, struct socket *sock,
 		case SIOCGIFTXQLEN:
 		case SIOCGMIIPHY:
 		case SIOCGMIIREG:
-			if (copy_to_user(uifr32, &ifr, sizeof(*uifr32)))
-				return -EFAULT;
-			break;
-		case SIOCGIFMAP:
-			err = copy_to_user(uifr32, &ifr, sizeof(ifr.ifr_name));
-			err |= __put_user(ifr.ifr_map.mem_start, &uifmap32->mem_start);
-			err |= __put_user(ifr.ifr_map.mem_end, &uifmap32->mem_end);
-			err |= __put_user(ifr.ifr_map.base_addr, &uifmap32->base_addr);
-			err |= __put_user(ifr.ifr_map.irq, &uifmap32->irq);
-			err |= __put_user(ifr.ifr_map.dma, &uifmap32->dma);
-			err |= __put_user(ifr.ifr_map.port, &uifmap32->port);
-			if (err)
+			if (copy_in_user(uifr32, uifr, sizeof(*uifr32)))
 				err = -EFAULT;
 			break;
 		}
@@ -2790,6 +2756,65 @@ static int dev_ifsioc(struct net *net, struct socket *sock,
 	return err;
 }
 
+static int compat_sioc_ifmap(struct net *net, unsigned int cmd,
+			struct compat_ifreq __user *uifr32)
+{
+	struct ifreq ifr;
+	struct compat_ifmap __user *uifmap32;
+	mm_segment_t old_fs;
+	int err;
+
+	uifmap32 = &uifr32->ifr_ifru.ifru_map;
+	err = copy_from_user(&ifr, uifr32, sizeof(ifr.ifr_name));
+	err |= __get_user(ifr.ifr_map.mem_start, &uifmap32->mem_start);
+	err |= __get_user(ifr.ifr_map.mem_end, &uifmap32->mem_end);
+	err |= __get_user(ifr.ifr_map.base_addr, &uifmap32->base_addr);
+	err |= __get_user(ifr.ifr_map.irq, &uifmap32->irq);
+	err |= __get_user(ifr.ifr_map.dma, &uifmap32->dma);
+	err |= __get_user(ifr.ifr_map.port, &uifmap32->port);
+	if (err)
+		return -EFAULT;
+
+	old_fs = get_fs();
+	set_fs (KERNEL_DS);
+	err = dev_ioctl(net, cmd, (void __user *)&ifr);
+	set_fs (old_fs);
+
+	if (cmd == SIOCGIFMAP && !err) {
+		err = copy_to_user(uifr32, &ifr, sizeof(ifr.ifr_name));
+		err |= __put_user(ifr.ifr_map.mem_start, &uifmap32->mem_start);
+		err |= __put_user(ifr.ifr_map.mem_end, &uifmap32->mem_end);
+		err |= __put_user(ifr.ifr_map.base_addr, &uifmap32->base_addr);
+		err |= __put_user(ifr.ifr_map.irq, &uifmap32->irq);
+		err |= __put_user(ifr.ifr_map.dma, &uifmap32->dma);
+		err |= __put_user(ifr.ifr_map.port, &uifmap32->port);
+		if (err)
+			err = -EFAULT;
+	}
+	return err;
+}
+
+static int compat_siocshwtstamp(struct net *net, struct compat_ifreq __user *uifr32)
+{
+	void __user *uptr;
+	compat_uptr_t uptr32;
+	struct ifreq __user *uifr;
+
+	uifr = compat_alloc_user_space(sizeof (*uifr));
+	if (copy_in_user(uifr, uifr32, sizeof(struct compat_ifreq)))
+		return -EFAULT;
+
+	if (get_user(uptr32, &uifr32->ifr_data))
+		return -EFAULT;
+
+	uptr = compat_ptr(uptr32);
+
+	if (put_user(uptr, &uifr->ifr_data))
+		return -EFAULT;
+
+	return dev_ioctl(net, SIOCSHWTSTAMP, uifr);
+}
+
 struct rtentry32 {
 	u32   		rt_pad1;
 	struct sockaddr rt_dst;         /* target address               */
@@ -3081,6 +3106,9 @@ static int compat_sock_ioctl_trans(struct file *file, struct socket *sock,
 		return ethtool_ioctl(net, argp);
 	case SIOCWANDEV:
 		return compat_siocwandev(net, argp);
+	case SIOCGIFMAP:
+	case SIOCSIFMAP:
+		return compat_sioc_ifmap(net, cmd, argp);
 	case SIOCBONDENSLAVE:
 	case SIOCBONDRELEASE:
 	case SIOCBONDSETHWADDR:
@@ -3095,6 +3123,8 @@ static int compat_sock_ioctl_trans(struct file *file, struct socket *sock,
 		return do_siocgstamp(net, sock, cmd, argp);
 	case SIOCGSTAMPNS:
 		return do_siocgstampns(net, sock, cmd, argp);
+	case SIOCSHWTSTAMP:
+		return compat_siocshwtstamp(net, argp);
 
 	case FIOSETOWN:
 	case SIOCSPGRP:
@@ -3121,12 +3151,9 @@ static int compat_sock_ioctl_trans(struct file *file, struct socket *sock,
 	case SIOCADDMULTI:
 	case SIOCDELMULTI:
 	case SIOCGIFINDEX:
-	case SIOCGIFMAP:
-	case SIOCSIFMAP:
 	case SIOCGIFADDR:
 	case SIOCSIFADDR:
 	case SIOCSIFHWBROADCAST:
-	case SIOCSHWTSTAMP:
 	case SIOCDIFADDR:
 	case SIOCGIFBRDADDR:
 	case SIOCSIFBRDADDR:
-- 
GitLab


From 805003a41c035ccbe37d3d5ef5e6df8874346b5a Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Wed, 11 Nov 2009 03:45:22 +0000
Subject: [PATCH 1196/1815] net/atm: move all compat_ioctl handling to
 atm/ioctl.c

We have two implementations of the compat_ioctl handling for ATM, the
one that we have had for ages in fs/compat_ioctl.c and the one added to
net/atm/ioctl.c by David Woodhouse. Unfortunately, both versions are
incomplete, and in practice we use a very confusing combination of the
two.

For ioctl numbers that have the same identifier on 32 and 64 bit systems,
we go directly through the compat_ioctl socket operation, for those that

differ, we do a conversion in fs/compat_ioctl.c.

This patch moves both variants into the vcc_compat_ioctl() function,
while preserving the current behaviour. It also kills off the COMPATIBLE_IOCTL
definitions that we never use here.
Doing it this way is clearly not a good solution, but I hope it is a
step into the right direction, so that someone is able to clean up this
mess for real.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/atm/ioctl.c | 177 ++++++++++++++++++++++++++++++++++++++-
 net/socket.c    | 218 ------------------------------------------------
 2 files changed, 175 insertions(+), 220 deletions(-)

diff --git a/net/atm/ioctl.c b/net/atm/ioctl.c
index 4da8892ced5..2ea40995dce 100644
--- a/net/atm/ioctl.c
+++ b/net/atm/ioctl.c
@@ -191,8 +191,181 @@ int vcc_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 }
 
 #ifdef CONFIG_COMPAT
-int vcc_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
+/*
+ * FIXME:
+ * The compat_ioctl handling is duplicated, using both these conversion
+ * routines and the compat argument to the actual handlers. Both
+ * versions are somewhat incomplete and should be merged, e.g. by
+ * moving the ioctl number translation into the actual handlers and
+ * killing the conversion code.
+ *
+ * -arnd, November 2009
+ */
+#define ATM_GETLINKRATE32 _IOW('a', ATMIOC_ITF+1, struct compat_atmif_sioc)
+#define ATM_GETNAMES32    _IOW('a', ATMIOC_ITF+3, struct compat_atm_iobuf)
+#define ATM_GETTYPE32     _IOW('a', ATMIOC_ITF+4, struct compat_atmif_sioc)
+#define ATM_GETESI32	  _IOW('a', ATMIOC_ITF+5, struct compat_atmif_sioc)
+#define ATM_GETADDR32	  _IOW('a', ATMIOC_ITF+6, struct compat_atmif_sioc)
+#define ATM_RSTADDR32	  _IOW('a', ATMIOC_ITF+7, struct compat_atmif_sioc)
+#define ATM_ADDADDR32	  _IOW('a', ATMIOC_ITF+8, struct compat_atmif_sioc)
+#define ATM_DELADDR32	  _IOW('a', ATMIOC_ITF+9, struct compat_atmif_sioc)
+#define ATM_GETCIRANGE32  _IOW('a', ATMIOC_ITF+10, struct compat_atmif_sioc)
+#define ATM_SETCIRANGE32  _IOW('a', ATMIOC_ITF+11, struct compat_atmif_sioc)
+#define ATM_SETESI32      _IOW('a', ATMIOC_ITF+12, struct compat_atmif_sioc)
+#define ATM_SETESIF32     _IOW('a', ATMIOC_ITF+13, struct compat_atmif_sioc)
+#define ATM_GETSTAT32     _IOW('a', ATMIOC_SARCOM+0, struct compat_atmif_sioc)
+#define ATM_GETSTATZ32    _IOW('a', ATMIOC_SARCOM+1, struct compat_atmif_sioc)
+#define ATM_GETLOOP32	  _IOW('a', ATMIOC_SARCOM+2, struct compat_atmif_sioc)
+#define ATM_SETLOOP32	  _IOW('a', ATMIOC_SARCOM+3, struct compat_atmif_sioc)
+#define ATM_QUERYLOOP32	  _IOW('a', ATMIOC_SARCOM+4, struct compat_atmif_sioc)
+
+static struct {
+	unsigned int cmd32;
+	unsigned int cmd;
+} atm_ioctl_map[] = {
+	{ ATM_GETLINKRATE32, ATM_GETLINKRATE },
+	{ ATM_GETNAMES32,    ATM_GETNAMES },
+	{ ATM_GETTYPE32,     ATM_GETTYPE },
+	{ ATM_GETESI32,	     ATM_GETESI },
+	{ ATM_GETADDR32,     ATM_GETADDR },
+	{ ATM_RSTADDR32,     ATM_RSTADDR },
+	{ ATM_ADDADDR32,     ATM_ADDADDR },
+	{ ATM_DELADDR32,     ATM_DELADDR },
+	{ ATM_GETCIRANGE32,  ATM_GETCIRANGE },
+	{ ATM_SETCIRANGE32,  ATM_SETCIRANGE },
+	{ ATM_SETESI32,	     ATM_SETESI },
+	{ ATM_SETESIF32,     ATM_SETESIF },
+	{ ATM_GETSTAT32,     ATM_GETSTAT },
+	{ ATM_GETSTATZ32,    ATM_GETSTATZ },
+	{ ATM_GETLOOP32,     ATM_GETLOOP },
+	{ ATM_SETLOOP32,     ATM_SETLOOP },
+	{ ATM_QUERYLOOP32,   ATM_QUERYLOOP },
+};
+
+#define NR_ATM_IOCTL ARRAY_SIZE(atm_ioctl_map)
+
+static int do_atm_iobuf(struct socket *sock, unsigned int cmd,
+			unsigned long arg)
+{
+	struct atm_iobuf __user *iobuf;
+	struct compat_atm_iobuf __user *iobuf32;
+	u32 data;
+	void __user *datap;
+	int len, err;
+
+	iobuf = compat_alloc_user_space(sizeof(*iobuf));
+	iobuf32 = compat_ptr(arg);
+
+	if (get_user(len, &iobuf32->length) ||
+	    get_user(data, &iobuf32->buffer))
+		return -EFAULT;
+	datap = compat_ptr(data);
+	if (put_user(len, &iobuf->length) ||
+	    put_user(datap, &iobuf->buffer))
+		return -EFAULT;
+
+	err = do_vcc_ioctl(sock, cmd, (unsigned long) iobuf, 0);
+
+	if (!err) {
+		if (copy_in_user(&iobuf32->length, &iobuf->length,
+				 sizeof(int)))
+			err = -EFAULT;
+	}
+
+	return err;
+}
+
+static int do_atmif_sioc(struct socket *sock, unsigned int cmd,
+			 unsigned long arg)
+{
+	struct atmif_sioc __user *sioc;
+	struct compat_atmif_sioc __user *sioc32;
+	u32 data;
+	void __user *datap;
+	int err;
+
+	sioc = compat_alloc_user_space(sizeof(*sioc));
+	sioc32 = compat_ptr(arg);
+
+	if (copy_in_user(&sioc->number, &sioc32->number, 2 * sizeof(int))
+	    || get_user(data, &sioc32->arg))
+		return -EFAULT;
+	datap = compat_ptr(data);
+	if (put_user(datap, &sioc->arg))
+		return -EFAULT;
+
+	err = do_vcc_ioctl(sock, cmd, (unsigned long) sioc, 0);
+
+	if (!err) {
+		if (copy_in_user(&sioc32->length, &sioc->length,
+				 sizeof(int)))
+			err = -EFAULT;
+	}
+	return err;
+}
+
+static int do_atm_ioctl(struct socket *sock, unsigned int cmd32,
+			unsigned long arg)
+{
+	int i;
+	unsigned int cmd = 0;
+
+	switch (cmd32) {
+	case SONET_GETSTAT:
+	case SONET_GETSTATZ:
+	case SONET_GETDIAG:
+	case SONET_SETDIAG:
+	case SONET_CLRDIAG:
+	case SONET_SETFRAMING:
+	case SONET_GETFRAMING:
+	case SONET_GETFRSENSE:
+		return do_atmif_sioc(sock, cmd32, arg);
+	}
+
+	for (i = 0; i < NR_ATM_IOCTL; i++) {
+		if (cmd32 == atm_ioctl_map[i].cmd32) {
+			cmd = atm_ioctl_map[i].cmd;
+			break;
+		}
+	}
+	if (i == NR_ATM_IOCTL)
+		return -EINVAL;
+
+	switch (cmd) {
+	case ATM_GETNAMES:
+		return do_atm_iobuf(sock, cmd, arg);
+
+	case ATM_GETLINKRATE:
+	case ATM_GETTYPE:
+	case ATM_GETESI:
+	case ATM_GETADDR:
+	case ATM_RSTADDR:
+	case ATM_ADDADDR:
+	case ATM_DELADDR:
+	case ATM_GETCIRANGE:
+	case ATM_SETCIRANGE:
+	case ATM_SETESI:
+	case ATM_SETESIF:
+	case ATM_GETSTAT:
+	case ATM_GETSTATZ:
+	case ATM_GETLOOP:
+	case ATM_SETLOOP:
+	case ATM_QUERYLOOP:
+		return do_atmif_sioc(sock, cmd, arg);
+	}
+
+	return -EINVAL;
+}
+
+int vcc_compat_ioctl(struct socket *sock, unsigned int cmd,
+		     unsigned long arg)
 {
-	return do_vcc_ioctl(sock, cmd, arg, 1);
+	int ret;
+
+	ret = do_vcc_ioctl(sock, cmd, arg, 1);
+	if (ret != -ENOIOCTLCMD)
+		return ret;
+
+	return do_atm_ioctl(sock, cmd, arg);
 }
 #endif
diff --git a/net/socket.c b/net/socket.c
index 05c482848a6..402abb39cbf 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -100,14 +100,6 @@
 #include <linux/if_tun.h>
 #include <linux/ipv6_route.h>
 #include <linux/route.h>
-#include <linux/atmdev.h>
-#include <linux/atmarp.h>
-#include <linux/atmsvc.h>
-#include <linux/atmlec.h>
-#include <linux/atmclip.h>
-#include <linux/atmmpc.h>
-#include <linux/atm_tcp.h>
-#include <linux/sonet.h>
 #include <linux/sockios.h>
 #include <linux/atalk.h>
 
@@ -2917,173 +2909,6 @@ static int old_bridge_ioctl(compat_ulong_t __user *argp)
 	return -EINVAL;
 }
 
-struct atmif_sioc32 {
-	compat_int_t	number;
-	compat_int_t	length;
-	compat_caddr_t	arg;
-};
-
-struct atm_iobuf32 {
-	compat_int_t	length;
-	compat_caddr_t	buffer;
-};
-
-#define ATM_GETLINKRATE32 _IOW('a', ATMIOC_ITF+1, struct atmif_sioc32)
-#define ATM_GETNAMES32    _IOW('a', ATMIOC_ITF+3, struct atm_iobuf32)
-#define ATM_GETTYPE32     _IOW('a', ATMIOC_ITF+4, struct atmif_sioc32)
-#define ATM_GETESI32	  _IOW('a', ATMIOC_ITF+5, struct atmif_sioc32)
-#define ATM_GETADDR32	  _IOW('a', ATMIOC_ITF+6, struct atmif_sioc32)
-#define ATM_RSTADDR32	  _IOW('a', ATMIOC_ITF+7, struct atmif_sioc32)
-#define ATM_ADDADDR32	  _IOW('a', ATMIOC_ITF+8, struct atmif_sioc32)
-#define ATM_DELADDR32	  _IOW('a', ATMIOC_ITF+9, struct atmif_sioc32)
-#define ATM_GETCIRANGE32  _IOW('a', ATMIOC_ITF+10, struct atmif_sioc32)
-#define ATM_SETCIRANGE32  _IOW('a', ATMIOC_ITF+11, struct atmif_sioc32)
-#define ATM_SETESI32      _IOW('a', ATMIOC_ITF+12, struct atmif_sioc32)
-#define ATM_SETESIF32     _IOW('a', ATMIOC_ITF+13, struct atmif_sioc32)
-#define ATM_GETSTAT32     _IOW('a', ATMIOC_SARCOM+0, struct atmif_sioc32)
-#define ATM_GETSTATZ32    _IOW('a', ATMIOC_SARCOM+1, struct atmif_sioc32)
-#define ATM_GETLOOP32	  _IOW('a', ATMIOC_SARCOM+2, struct atmif_sioc32)
-#define ATM_SETLOOP32	  _IOW('a', ATMIOC_SARCOM+3, struct atmif_sioc32)
-#define ATM_QUERYLOOP32	  _IOW('a', ATMIOC_SARCOM+4, struct atmif_sioc32)
-
-static struct {
-	unsigned int cmd32;
-	unsigned int cmd;
-} atm_ioctl_map[] = {
-	{ ATM_GETLINKRATE32, ATM_GETLINKRATE },
-	{ ATM_GETNAMES32,    ATM_GETNAMES },
-	{ ATM_GETTYPE32,     ATM_GETTYPE },
-	{ ATM_GETESI32,      ATM_GETESI },
-	{ ATM_GETADDR32,     ATM_GETADDR },
-	{ ATM_RSTADDR32,     ATM_RSTADDR },
-	{ ATM_ADDADDR32,     ATM_ADDADDR },
-	{ ATM_DELADDR32,     ATM_DELADDR },
-	{ ATM_GETCIRANGE32,  ATM_GETCIRANGE },
-	{ ATM_SETCIRANGE32,  ATM_SETCIRANGE },
-	{ ATM_SETESI32,      ATM_SETESI },
-	{ ATM_SETESIF32,     ATM_SETESIF },
-	{ ATM_GETSTAT32,     ATM_GETSTAT },
-	{ ATM_GETSTATZ32,    ATM_GETSTATZ },
-	{ ATM_GETLOOP32,     ATM_GETLOOP },
-	{ ATM_SETLOOP32,     ATM_SETLOOP },
-	{ ATM_QUERYLOOP32,   ATM_QUERYLOOP }
-};
-
-#define NR_ATM_IOCTL ARRAY_SIZE(atm_ioctl_map)
-
-static int do_atm_iobuf(struct net *net, struct socket *sock,
-			 unsigned int cmd, unsigned long arg)
-{
-	struct atm_iobuf   __user *iobuf;
-	struct atm_iobuf32 __user *iobuf32;
-	u32 data;
-	void __user *datap;
-	int len, err;
-
-	iobuf = compat_alloc_user_space(sizeof(*iobuf));
-	iobuf32 = compat_ptr(arg);
-
-	if (get_user(len, &iobuf32->length) ||
-	    get_user(data, &iobuf32->buffer))
-		return -EFAULT;
-	datap = compat_ptr(data);
-	if (put_user(len, &iobuf->length) ||
-	    put_user(datap, &iobuf->buffer))
-		return -EFAULT;
-
-	err = sock_do_ioctl(net, sock, cmd, (unsigned long)iobuf);
-
-	if (!err) {
-		if (copy_in_user(&iobuf32->length, &iobuf->length,
-				 sizeof(int)))
-			err = -EFAULT;
-	}
-
-	return err;
-}
-
-static int do_atmif_sioc(struct net *net, struct socket *sock,
-			 unsigned int cmd, unsigned long arg)
-{
-	struct atmif_sioc   __user *sioc;
-	struct atmif_sioc32 __user *sioc32;
-	u32 data;
-	void __user *datap;
-	int err;
-
-	sioc = compat_alloc_user_space(sizeof(*sioc));
-	sioc32 = compat_ptr(arg);
-
-	if (copy_in_user(&sioc->number, &sioc32->number, 2 * sizeof(int)) ||
-	    get_user(data, &sioc32->arg))
-		return -EFAULT;
-	datap = compat_ptr(data);
-	if (put_user(datap, &sioc->arg))
-		return -EFAULT;
-
-	err = sock_do_ioctl(net, sock, cmd, (unsigned long) sioc);
-
-	if (!err) {
-		if (copy_in_user(&sioc32->length, &sioc->length,
-				 sizeof(int)))
-			err = -EFAULT;
-	}
-	return err;
-}
-
-static int do_atm_ioctl(struct net *net, struct socket *sock,
-			 unsigned int cmd32, unsigned long arg)
-{
-	int i;
-	unsigned int cmd = 0;
-
-	switch (cmd32) {
-	case SONET_GETSTAT:
-	case SONET_GETSTATZ:
-	case SONET_GETDIAG:
-	case SONET_SETDIAG:
-	case SONET_CLRDIAG:
-	case SONET_SETFRAMING:
-	case SONET_GETFRAMING:
-	case SONET_GETFRSENSE:
-		return do_atmif_sioc(net, sock, cmd32, arg);
-	}
-
-	for (i = 0; i < NR_ATM_IOCTL; i++) {
-		if (cmd32 == atm_ioctl_map[i].cmd32) {
-			cmd = atm_ioctl_map[i].cmd;
-			break;
-		}
-	}
-	if (i == NR_ATM_IOCTL)
-	        return -EINVAL;
-
-        switch (cmd) {
-	case ATM_GETNAMES:
-		return do_atm_iobuf(net, sock, cmd, arg);
-
-	case ATM_GETLINKRATE:
-	case ATM_GETTYPE:
-	case ATM_GETESI:
-	case ATM_GETADDR:
-	case ATM_RSTADDR:
-	case ATM_ADDADDR:
-	case ATM_DELADDR:
-	case ATM_GETCIRANGE:
-	case ATM_SETCIRANGE:
-	case ATM_SETESI:
-	case ATM_SETESIF:
-	case ATM_GETSTAT:
-	case ATM_GETSTATZ:
-	case ATM_GETLOOP:
-	case ATM_SETLOOP:
-	case ATM_QUERYLOOP:
-		return do_atmif_sioc(net, sock, cmd, arg);
-	}
-
-	return -EINVAL;
-}
-
 static int compat_sock_ioctl_trans(struct file *file, struct socket *sock,
 			 unsigned int cmd, unsigned long arg)
 {
@@ -3173,49 +2998,6 @@ static int compat_sock_ioctl_trans(struct file *file, struct socket *sock,
 	case SIOCSMIIREG:
 		return dev_ifsioc(net, sock, cmd, argp);
 
-	case ATM_GETLINKRATE32:
-	case ATM_GETNAMES32:
-	case ATM_GETTYPE32:
-	case ATM_GETESI32:
-	case ATM_GETADDR32:
-	case ATM_RSTADDR32:
-	case ATM_ADDADDR32:
-	case ATM_DELADDR32:
-	case ATM_GETCIRANGE32:
-	case ATM_SETCIRANGE32:
-	case ATM_SETESI32:
-	case ATM_SETESIF32:
-	case ATM_GETSTAT32:
-	case ATM_GETSTATZ32:
-	case ATM_GETLOOP32:
-	case ATM_SETLOOP32:
-	case ATM_QUERYLOOP32:
-	case SONET_GETSTAT:
-	case SONET_GETSTATZ:
-	case SONET_GETDIAG:
-	case SONET_SETDIAG:
-	case SONET_CLRDIAG:
-	case SONET_SETFRAMING:
-	case SONET_GETFRAMING:
-	case SONET_GETFRSENSE:
-		return do_atm_ioctl(net, sock, cmd, arg);
-
-	case ATMSIGD_CTRL:
-	case ATMARPD_CTRL:
-	case ATMLEC_CTRL:
-	case ATMLEC_MCAST:
-	case ATMLEC_DATA:
-	case ATM_SETSC:
-	case SIOCSIFATMTCP:
-	case SIOCMKCLIP:
-	case ATMARP_MKIP:
-	case ATMARP_SETENTRY:
-	case ATMARP_ENCAP:
-	case ATMTCP_CREATE:
-	case ATMTCP_REMOVE:
-	case ATMMPC_CTRL:
-	case ATMMPC_DATA:
-
 	case SIOCSARP:
 	case SIOCGARP:
 	case SIOCDARP:
-- 
GitLab


From 282a39546f6d213399b325ec830ee37e8d915924 Mon Sep 17 00:00:00 2001
From: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Date: Thu, 12 Nov 2009 23:58:23 +0300
Subject: [PATCH 1197/1815] ieee802154: make wpan-phy class registration to
 subsys_initcall

Move ieee802154 initialisation to subsys_initcall call, so that
wpan-phy class is initialised before all devices (thus saving us from
oops during bootup).

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
---
 net/ieee802154/wpan-class.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ieee802154/wpan-class.c b/net/ieee802154/wpan-class.c
index 38bac70cca1..268691256a6 100644
--- a/net/ieee802154/wpan-class.c
+++ b/net/ieee802154/wpan-class.c
@@ -205,7 +205,7 @@ err_nl:
 err:
 	return rc;
 }
-module_init(wpan_phy_class_init);
+subsys_initcall(wpan_phy_class_init);
 
 static void __exit wpan_phy_class_exit(void)
 {
-- 
GitLab


From 9ea2bdab11da97b2ac6f87d79976d25fa6d27295 Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Mon, 9 Nov 2009 18:05:45 +0000
Subject: [PATCH 1198/1815] niu.c: Use correct length in strncmp

Untested, no hardware

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/niu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/niu.c b/drivers/net/niu.c
index 44558fcb56a..8ce58c4c7dd 100644
--- a/drivers/net/niu.c
+++ b/drivers/net/niu.c
@@ -8143,7 +8143,7 @@ static void __devinit niu_vpd_parse_version(struct niu *np)
 	int i;
 
 	for (i = 0; i < len - 5; i++) {
-		if (!strncmp(s + i, "FCode ", 5))
+		if (!strncmp(s + i, "FCode ", 6))
 			break;
 	}
 	if (i >= len - 5)
-- 
GitLab


From 572a9d7b6fc7f20f573664063324c086be310c42 Mon Sep 17 00:00:00 2001
From: Patrick McHardy <kaber@trash.net>
Date: Tue, 10 Nov 2009 06:14:14 +0000
Subject: [PATCH 1199/1815] net: allow to propagate errors through
 ->ndo_hard_start_xmit()

Currently the ->ndo_hard_start_xmit() callbacks are only permitted to return
one of the NETDEV_TX codes. This prevents any kind of error propagation for
virtual devices, like queue congestion of the underlying device in case of
layered devices, or unreachability in case of tunnels.

This patches changes the NET_XMIT codes to avoid clashes with the NETDEV_TX
codes and changes the two callers of dev_hard_start_xmit() to expect either
errno codes, NET_XMIT codes or NETDEV_TX codes as return value.

In case of qdisc_restart(), all non NETDEV_TX codes are mapped to NETDEV_TX_OK
since no error propagation is possible when using qdiscs. In case of
dev_queue_xmit(), the error is propagated upwards.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/netdevice.h | 43 +++++++++++++++++++++++++++++----------
 net/core/dev.c            | 32 +++++++++++++++++++++++------
 net/sched/sch_generic.c   |  9 +++++++-
 3 files changed, 66 insertions(+), 18 deletions(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 083b5989cec..8b266390b9e 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -63,27 +63,48 @@ struct wireless_dev;
 #define HAVE_FREE_NETDEV		/* free_netdev() */
 #define HAVE_NETDEV_PRIV		/* netdev_priv() */
 
-#define NET_XMIT_SUCCESS	0
-#define NET_XMIT_DROP		1	/* skb dropped			*/
-#define NET_XMIT_CN		2	/* congestion notification	*/
-#define NET_XMIT_POLICED	3	/* skb is shot by police	*/
-#define NET_XMIT_MASK		0xFFFF	/* qdisc flags in net/sch_generic.h */
+/*
+ * Transmit return codes: transmit return codes originate from three different
+ * namespaces:
+ *
+ * - qdisc return codes
+ * - driver transmit return codes
+ * - errno values
+ *
+ * Drivers are allowed to return any one of those in their hard_start_xmit()
+ * function. Real network devices commonly used with qdiscs should only return
+ * the driver transmit return codes though - when qdiscs are used, the actual
+ * transmission happens asynchronously, so the value is not propagated to
+ * higher layers. Virtual network devices transmit synchronously, in this case
+ * the driver transmit return codes are consumed by dev_queue_xmit(), all
+ * others are propagated to higher layers.
+ */
+
+/* qdisc ->enqueue() return codes. */
+#define NET_XMIT_SUCCESS	0x00
+#define NET_XMIT_DROP		0x10	/* skb dropped			*/
+#define NET_XMIT_CN		0x20	/* congestion notification	*/
+#define NET_XMIT_POLICED	0x30	/* skb is shot by police	*/
+#define NET_XMIT_MASK		0xf0	/* qdisc flags in net/sch_generic.h */
 
 /* Backlog congestion levels */
-#define NET_RX_SUCCESS		0   /* keep 'em coming, baby */
-#define NET_RX_DROP		1  /* packet dropped */
+#define NET_RX_SUCCESS		0	/* keep 'em coming, baby */
+#define NET_RX_DROP		1	/* packet dropped */
 
 /* NET_XMIT_CN is special. It does not guarantee that this packet is lost. It
  * indicates that the device will soon be dropping packets, or already drops
  * some packets of the same priority; prompting us to send less aggressively. */
-#define net_xmit_eval(e)	((e) == NET_XMIT_CN? 0 : (e))
+#define net_xmit_eval(e)	((e) == NET_XMIT_CN ? 0 : (e))
 #define net_xmit_errno(e)	((e) != NET_XMIT_CN ? -ENOBUFS : 0)
 
 /* Driver transmit return codes */
+#define NETDEV_TX_MASK		0xf
+
 enum netdev_tx {
-	NETDEV_TX_OK = 0,	/* driver took care of packet */
-	NETDEV_TX_BUSY,		/* driver tx path was busy*/
-	NETDEV_TX_LOCKED = -1,	/* driver tx lock was already taken */
+	__NETDEV_TX_MIN	 = INT_MIN,	/* make sure enum is signed */
+	NETDEV_TX_OK	 = 0,		/* driver took care of packet */
+	NETDEV_TX_BUSY	 = 1,		/* driver tx path was busy*/
+	NETDEV_TX_LOCKED = 2,		/* driver tx lock was already taken */
 };
 typedef enum netdev_tx netdev_tx_t;
 
diff --git a/net/core/dev.c b/net/core/dev.c
index ad8e320ceba..548340b5729 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1757,7 +1757,7 @@ int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
 			struct netdev_queue *txq)
 {
 	const struct net_device_ops *ops = dev->netdev_ops;
-	int rc;
+	int rc = NETDEV_TX_OK;
 
 	if (likely(!skb->next)) {
 		if (!list_empty(&ptype_all))
@@ -1805,6 +1805,8 @@ gso:
 		nskb->next = NULL;
 		rc = ops->ndo_start_xmit(nskb, dev);
 		if (unlikely(rc != NETDEV_TX_OK)) {
+			if (rc & ~NETDEV_TX_MASK)
+				goto out_kfree_gso_skb;
 			nskb->next = skb->next;
 			skb->next = nskb;
 			return rc;
@@ -1814,11 +1816,12 @@ gso:
 			return NETDEV_TX_BUSY;
 	} while (skb->next);
 
-	skb->destructor = DEV_GSO_CB(skb)->destructor;
-
+out_kfree_gso_skb:
+	if (likely(skb->next == NULL))
+		skb->destructor = DEV_GSO_CB(skb)->destructor;
 out_kfree_skb:
 	kfree_skb(skb);
-	return NETDEV_TX_OK;
+	return rc;
 }
 
 static u32 skb_tx_hashrnd;
@@ -1906,6 +1909,23 @@ static inline int __dev_xmit_skb(struct sk_buff *skb, struct Qdisc *q,
 	return rc;
 }
 
+static inline bool dev_xmit_complete(int rc)
+{
+	/* successful transmission */
+	if (rc == NETDEV_TX_OK)
+		return true;
+
+	/* error while transmitting, driver consumed skb */
+	if (rc < 0)
+		return true;
+
+	/* error while queueing to a different device, driver consumed skb */
+	if (rc & NET_XMIT_MASK)
+		return true;
+
+	return false;
+}
+
 /**
  *	dev_queue_xmit - transmit a buffer
  *	@skb: buffer to transmit
@@ -2003,8 +2023,8 @@ gso:
 			HARD_TX_LOCK(dev, txq, cpu);
 
 			if (!netif_tx_queue_stopped(txq)) {
-				rc = NET_XMIT_SUCCESS;
-				if (!dev_hard_start_xmit(skb, dev, txq)) {
+				rc = dev_hard_start_xmit(skb, dev, txq);
+				if (dev_xmit_complete(rc)) {
 					HARD_TX_UNLOCK(dev, txq);
 					goto out;
 				}
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 4ae6aa562f2..b13821ad2fb 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -120,8 +120,15 @@ int sch_direct_xmit(struct sk_buff *skb, struct Qdisc *q,
 
 	HARD_TX_LOCK(dev, txq, smp_processor_id());
 	if (!netif_tx_queue_stopped(txq) &&
-	    !netif_tx_queue_frozen(txq))
+	    !netif_tx_queue_frozen(txq)) {
 		ret = dev_hard_start_xmit(skb, dev, txq);
+
+		/* an error implies that the skb was consumed */
+		if (ret < 0)
+			ret = NETDEV_TX_OK;
+		/* all NET_XMIT codes map to NETDEV_TX_OK */
+		ret &= ~NET_XMIT_MASK;
+	}
 	HARD_TX_UNLOCK(dev, txq);
 
 	spin_lock(root_lock);
-- 
GitLab


From cbbef5e183079455763fc470ccf69008f92ab4b6 Mon Sep 17 00:00:00 2001
From: Patrick McHardy <kaber@trash.net>
Date: Tue, 10 Nov 2009 06:14:24 +0000
Subject: [PATCH 1200/1815] vlan/macvlan: propagate transmission state to upper
 layers

Both vlan and macvlan devices usually don't use a qdisc and immediately
queue packets to the underlying device. Propagate transmission state of
the underlying device to the upper layers so they can react on congestion
and/or inform the sending process.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/macvlan.c | 2 +-
 net/8021q/vlan_dev.c  | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index d7dba3f6f76..271aa7e1d03 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -202,7 +202,7 @@ static netdev_tx_t macvlan_start_xmit(struct sk_buff *skb,
 	} else
 		txq->tx_dropped++;
 
-	return NETDEV_TX_OK;
+	return ret;
 }
 
 static int macvlan_hard_header(struct sk_buff *skb, struct net_device *dev,
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 790fd55ec31..91596594213 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -332,7 +332,7 @@ static netdev_tx_t vlan_dev_hard_start_xmit(struct sk_buff *skb,
 	} else
 		txq->tx_dropped++;
 
-	return NETDEV_TX_OK;
+	return ret;
 }
 
 static netdev_tx_t vlan_dev_hwaccel_hard_start_xmit(struct sk_buff *skb,
@@ -358,7 +358,7 @@ static netdev_tx_t vlan_dev_hwaccel_hard_start_xmit(struct sk_buff *skb,
 	} else
 		txq->tx_dropped++;
 
-	return NETDEV_TX_OK;
+	return ret;
 }
 
 static int vlan_dev_change_mtu(struct net_device *dev, int new_mtu)
-- 
GitLab


From 90a5e16992fa6105f7ebf3f29f5cf5feb1bbf7dc Mon Sep 17 00:00:00 2001
From: Rui Paulo <rpaulo@gmail.com>
Date: Wed, 11 Nov 2009 00:01:31 +0000
Subject: [PATCH 1201/1815] mac80211: implement RANN processing and forwarding

Process the RANN (Root Annoucement) Frame and try to find the HWMP
root station by sending a PREQ.

Signed-off-by: Rui Paulo <rpaulo@gmail.com>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Reviewed-by: Andrey Yurovsky <andrey@cozybit.com>
Tested-by: Brian Cavagnolo <brian@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 include/linux/ieee80211.h  | 15 ++++++++
 net/mac80211/ieee80211_i.h |  1 +
 net/mac80211/mesh_hwmp.c   | 79 ++++++++++++++++++++++++++++++++++----
 net/mac80211/util.c        |  4 ++
 4 files changed, 91 insertions(+), 8 deletions(-)

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 50c684db33c..49b1abd2fe9 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -554,6 +554,20 @@ struct ieee80211_tim_ie {
 	u8 virtual_map[1];
 } __attribute__ ((packed));
 
+/**
+ * struct ieee80211_rann_ie
+ *
+ * This structure refers to "Root Announcement information element"
+ */
+struct ieee80211_rann_ie {
+	u8 rann_flags;
+	u8 rann_hopcount;
+	u8 rann_ttl;
+	u8 rann_addr[6];
+	u32 rann_seq;
+	u32 rann_metric;
+} __attribute__ ((packed));
+
 #define WLAN_SA_QUERY_TR_ID_LEN 2
 
 struct ieee80211_mgmt {
@@ -1070,6 +1084,7 @@ enum ieee80211_eid {
 	WLAN_EID_PREQ = 68,
 	WLAN_EID_PREP = 69,
 	WLAN_EID_PERR = 70,
+	WLAN_EID_RANN = 49,	/* compatible with FreeBSD */
 	/* 802.11h */
 	WLAN_EID_PWR_CONSTRAINT = 32,
 	WLAN_EID_PWR_CAPABILITY = 33,
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 19b0c128d94..2a7d3d4067e 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -804,6 +804,7 @@ struct ieee802_11_elems {
 	u8 *preq;
 	u8 *prep;
 	u8 *perr;
+	struct ieee80211_rann_ie *rann;
 	u8 *ch_switch_elem;
 	u8 *country_elem;
 	u8 *pwr_constr_elem;
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index db1a33098a8..7b9dd87cf9f 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -28,6 +28,8 @@
 /* Reply and forward */
 #define MP_F_RF	0x2
 
+static void mesh_queue_preq(struct mesh_path *, u8);
+
 static inline u32 u32_field_get(u8 *preq_elem, int offset, bool ae)
 {
 	if (ae)
@@ -81,7 +83,8 @@ static inline u32 u32_field_get(u8 *preq_elem, int offset, bool ae)
 enum mpath_frame_type {
 	MPATH_PREQ = 0,
 	MPATH_PREP,
-	MPATH_PERR
+	MPATH_PERR,
+	MPATH_RANN
 };
 
 static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
@@ -109,7 +112,8 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
 
 	memcpy(mgmt->da, da, ETH_ALEN);
 	memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
-	/* BSSID is left zeroed, wildcard value */
+	/* BSSID == SA */
+	memcpy(mgmt->bssid, sdata->dev->dev_addr, ETH_ALEN);
 	mgmt->u.action.category = MESH_PATH_SEL_CATEGORY;
 	mgmt->u.action.u.mesh_action.action_code = MESH_PATH_SEL_ACTION;
 
@@ -126,6 +130,12 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
 		pos = skb_put(skb, 2 + ie_len);
 		*pos++ = WLAN_EID_PREP;
 		break;
+	case MPATH_RANN:
+		mhwmp_dbg("sending RANN from %pM\n", orig_addr);
+		ie_len = sizeof(struct ieee80211_rann_ie);
+		pos = skb_put(skb, 2 + ie_len);
+		*pos++ = WLAN_EID_RANN;
+		break;
 	default:
 		kfree_skb(skb);
 		return -ENOTSUPP;
@@ -143,8 +153,10 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
 	pos += ETH_ALEN;
 	memcpy(pos, &orig_dsn, 4);
 	pos += 4;
-	memcpy(pos, &lifetime, 4);
-	pos += 4;
+	if (action != MPATH_RANN) {
+		memcpy(pos, &lifetime, 4);
+		pos += 4;
+	}
 	memcpy(pos, &metric, 4);
 	pos += 4;
 	if (action == MPATH_PREQ) {
@@ -152,9 +164,11 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
 		*pos++ = 1;
 		*pos++ = dst_flags;
 	}
-	memcpy(pos, dst, ETH_ALEN);
-	pos += ETH_ALEN;
-	memcpy(pos, &dst_dsn, 4);
+	if (action != MPATH_RANN) {
+		memcpy(pos, dst, ETH_ALEN);
+		pos += ETH_ALEN;
+		memcpy(pos, &dst_dsn, 4);
+	}
 
 	ieee80211_tx_skb(sdata, skb, 1);
 	return 0;
@@ -610,6 +624,54 @@ static void hwmp_perr_frame_process(struct ieee80211_sub_if_data *sdata,
 	rcu_read_unlock();
 }
 
+static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata,
+				struct ieee80211_mgmt *mgmt,
+				struct ieee80211_rann_ie *rann)
+{
+	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
+	struct mesh_path *mpath;
+	u8 *ta;
+	u8 ttl, flags, hopcount;
+	u8 *orig_addr;
+	u32 orig_dsn, metric;
+
+	ta = mgmt->sa;
+	ttl = rann->rann_ttl;
+	if (ttl <= 1) {
+		ifmsh->mshstats.dropped_frames_ttl++;
+		return;
+	}
+	ttl--;
+	flags = rann->rann_flags;
+	orig_addr = rann->rann_addr;
+	orig_dsn = rann->rann_seq;
+	hopcount = rann->rann_hopcount;
+	metric = rann->rann_metric;
+	mhwmp_dbg("received RANN from %pM\n", orig_addr);
+
+	rcu_read_lock();
+	mpath = mesh_path_lookup(orig_addr, sdata);
+	if (!mpath) {
+		mesh_path_add(orig_addr, sdata);
+		mpath = mesh_path_lookup(orig_addr, sdata);
+		if (!mpath) {
+			rcu_read_unlock();
+			sdata->u.mesh.mshstats.dropped_frames_no_route++;
+			return;
+		}
+		mesh_queue_preq(mpath,
+				PREQ_Q_F_START | PREQ_Q_F_REFRESH);
+	}
+	if (mpath->dsn < orig_dsn) {
+		mesh_path_sel_frame_tx(MPATH_RANN, flags, orig_addr,
+				       cpu_to_le32(orig_dsn),
+				       0, NULL, 0, sdata->dev->broadcast,
+				       hopcount, ttl, 0, cpu_to_le32(metric),
+				       0, sdata);
+		mpath->dsn = orig_dsn;
+	}
+	rcu_read_unlock();
+}
 
 
 void mesh_rx_path_sel_frame(struct ieee80211_sub_if_data *sdata,
@@ -654,7 +716,8 @@ void mesh_rx_path_sel_frame(struct ieee80211_sub_if_data *sdata,
 			return;
 		hwmp_perr_frame_process(sdata, mgmt, elems.perr);
 	}
-
+	if (elems.rann)
+		hwmp_rann_frame_process(sdata, mgmt, elems.rann);
 }
 
 /**
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index aedbaaa067e..da86e1592f8 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -685,6 +685,10 @@ u32 ieee802_11_parse_elems_crc(u8 *start, size_t len,
 			elems->perr = pos;
 			elems->perr_len = elen;
 			break;
+		case WLAN_EID_RANN:
+			if (elen >= sizeof(struct ieee80211_rann_ie))
+				elems->rann = (void *)pos;
+			break;
 		case WLAN_EID_CHANNEL_SWITCH:
 			elems->ch_switch_elem = pos;
 			elems->ch_switch_elem_len = elen;
-- 
GitLab


From d611f062f4351d8609910648854908fecf58970d Mon Sep 17 00:00:00 2001
From: Rui Paulo <rpaulo@gmail.com>
Date: Mon, 9 Nov 2009 23:46:50 +0000
Subject: [PATCH 1202/1815] mac80211: update PERR frame format

Update the PERR IE frame format according to latest draft (3.03).

Signed-off-by: Rui Paulo <rpaulo@gmail.com>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Reviewed-by: Andrey Yurovsky <andrey@cozybit.com>
Tested-by: Brian Cavagnolo <brian@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/mesh.h         |  9 ++++--
 net/mac80211/mesh_hwmp.c    | 58 +++++++++++++++++++++++++++++++------
 net/mac80211/mesh_pathtbl.c |  6 ++--
 3 files changed, 60 insertions(+), 13 deletions(-)

diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 2fd3e200a06..1d534c70240 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -210,6 +210,11 @@ struct mesh_rmc {
 #define MESH_PATH_SEL_CATEGORY	32
 #define MESH_PATH_SEL_ACTION	0
 
+/* PERR reason codes */
+#define PEER_RCODE_UNSPECIFIED  11
+#define PERR_RCODE_NO_ROUTE     12
+#define PERR_RCODE_DEST_UNREACH 13
+
 /* Public interfaces */
 /* Various */
 int ieee80211_fill_mesh_addresses(struct ieee80211_hdr *hdr, __le16 *fc,
@@ -275,8 +280,8 @@ void mesh_mpp_table_grow(void);
 u32 mesh_table_hash(u8 *addr, struct ieee80211_sub_if_data *sdata,
 		struct mesh_table *tbl);
 /* Mesh paths */
-int mesh_path_error_tx(u8 *dest, __le32 dest_dsn, u8 *ra,
-		struct ieee80211_sub_if_data *sdata);
+int mesh_path_error_tx(u8 ttl, u8 *dest, __le32 dest_dsn, __le16 dest_rcode,
+		u8 *ra, struct ieee80211_sub_if_data *sdata);
 void mesh_path_assign_nexthop(struct mesh_path *mpath, struct sta_info *sta);
 void mesh_path_flush_pending(struct mesh_path *mpath);
 void mesh_path_tx_pending(struct mesh_path *mpath);
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 7b9dd87cf9f..eb4180bff57 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -27,6 +27,10 @@
 #define MP_F_DO	0x1
 /* Reply and forward */
 #define MP_F_RF	0x2
+/* Unknown Sequence Number */
+#define MP_F_USN    0x01
+/* Reason code Present */
+#define MP_F_RCODE  0x02
 
 static void mesh_queue_preq(struct mesh_path *, u8);
 
@@ -37,6 +41,13 @@ static inline u32 u32_field_get(u8 *preq_elem, int offset, bool ae)
 	return get_unaligned_le32(preq_elem + offset);
 }
 
+static inline u32 u16_field_get(u8 *preq_elem, int offset, bool ae)
+{
+	if (ae)
+		offset += 6;
+	return get_unaligned_le16(preq_elem + offset);
+}
+
 /* HWMP IE processing macros */
 #define AE_F			(1<<6)
 #define AE_F_SET(x)		(*x & AE_F)
@@ -63,8 +74,11 @@ static inline u32 u32_field_get(u8 *preq_elem, int offset, bool ae)
 #define PREP_IE_DST_ADDR(x)	(AE_F_SET(x) ? x + 27 : x + 21)
 #define PREP_IE_DST_DSN(x)	u32_field_get(x, 27, AE_F_SET(x));
 
-#define PERR_IE_DST_ADDR(x)	(x + 2)
-#define PERR_IE_DST_DSN(x)	u32_field_get(x, 8, 0);
+#define PERR_IE_TTL(x)		(*(x))
+#define PERR_IE_DST_FLAGS(x)	(*(x + 2))
+#define PERR_IE_DST_ADDR(x)	(x + 3)
+#define PERR_IE_DST_DSN(x)	u32_field_get(x, 9, 0);
+#define PERR_IE_DST_RCODE(x)	u16_field_get(x, 13, 0);
 
 #define MSEC_TO_TU(x) (x*1000/1024)
 #define DSN_GT(x, y) ((long) (y) - (long) (x) < 0)
@@ -181,8 +195,8 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
  * @dst_dsn: dsn of the broken destination
  * @ra: node this frame is addressed to
  */
-int mesh_path_error_tx(u8 *dst, __le32 dst_dsn, u8 *ra,
-		struct ieee80211_sub_if_data *sdata)
+int mesh_path_error_tx(u8 ttl, u8 *dst, __le32 dst_dsn, __le16 dst_rcode,
+		u8 *ra, struct ieee80211_sub_if_data *sdata)
 {
 	struct ieee80211_local *local = sdata->local;
 	struct sk_buff *skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400);
@@ -207,17 +221,29 @@ int mesh_path_error_tx(u8 *dst, __le32 dst_dsn, u8 *ra,
 	/* BSSID is left zeroed, wildcard value */
 	mgmt->u.action.category = MESH_PATH_SEL_CATEGORY;
 	mgmt->u.action.u.mesh_action.action_code = MESH_PATH_SEL_ACTION;
-	ie_len = 12;
+	ie_len = 15;
 	pos = skb_put(skb, 2 + ie_len);
 	*pos++ = WLAN_EID_PERR;
 	*pos++ = ie_len;
-	/* mode flags, reserved */
-	*pos++ = 0;
+	/* ttl */
+	*pos++ = MESH_TTL;
 	/* number of destinations */
 	*pos++ = 1;
+	/*
+	 * flags bit, bit 1 is unset if we know the sequence number and
+	 * bit 2 is set if we have a reason code
+	 */
+	*pos = 0;
+	if (!dst_dsn)
+		*pos |= MP_F_USN;
+	if (dst_rcode)
+		*pos |= MP_F_RCODE;
+	pos++;
 	memcpy(pos, dst, ETH_ALEN);
 	pos += ETH_ALEN;
 	memcpy(pos, &dst_dsn, 4);
+	pos += 4;
+	memcpy(pos, &dst_rcode, 2);
 
 	ieee80211_tx_skb(sdata, skb, 1);
 	return 0;
@@ -598,13 +624,26 @@ fail:
 static void hwmp_perr_frame_process(struct ieee80211_sub_if_data *sdata,
 			     struct ieee80211_mgmt *mgmt, u8 *perr_elem)
 {
+	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
 	struct mesh_path *mpath;
+	u8 ttl;
 	u8 *ta, *dst_addr;
+	u8 dst_flags;
 	u32 dst_dsn;
+	u16 dst_rcode;
 
 	ta = mgmt->sa;
+	ttl = PERR_IE_TTL(perr_elem);
+	if (ttl <= 1) {
+		ifmsh->mshstats.dropped_frames_ttl++;
+		return;
+	}
+	ttl--;
+	dst_flags = PERR_IE_DST_FLAGS(perr_elem);
 	dst_addr = PERR_IE_DST_ADDR(perr_elem);
 	dst_dsn = PERR_IE_DST_DSN(perr_elem);
+	dst_rcode = PERR_IE_DST_RCODE(perr_elem);
+
 	rcu_read_lock();
 	mpath = mesh_path_lookup(dst_addr, sdata);
 	if (mpath) {
@@ -616,7 +655,8 @@ static void hwmp_perr_frame_process(struct ieee80211_sub_if_data *sdata,
 			mpath->flags &= ~MESH_PATH_ACTIVE;
 			mpath->dsn = dst_dsn;
 			spin_unlock_bh(&mpath->state_lock);
-			mesh_path_error_tx(dst_addr, cpu_to_le32(dst_dsn),
+			mesh_path_error_tx(ttl, dst_addr, cpu_to_le32(dst_dsn),
+					   cpu_to_le16(dst_rcode),
 					   sdata->dev->broadcast, sdata);
 		} else
 			spin_unlock_bh(&mpath->state_lock);
@@ -711,7 +751,7 @@ void mesh_rx_path_sel_frame(struct ieee80211_sub_if_data *sdata,
 						last_hop_metric);
 	}
 	if (elems.perr) {
-		if (elems.perr_len != 12)
+		if (elems.perr_len != 15)
 			/* Right now we support only one destination per PERR */
 			return;
 		hwmp_perr_frame_process(sdata, mgmt, elems.perr);
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index 751c4d0e2b3..5d541235ca2 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -465,8 +465,9 @@ void mesh_plink_broken(struct sta_info *sta)
 			mpath->flags &= ~MESH_PATH_ACTIVE;
 			++mpath->dsn;
 			spin_unlock_bh(&mpath->state_lock);
-			mesh_path_error_tx(mpath->dst,
+			mesh_path_error_tx(MESH_TTL, mpath->dst,
 					cpu_to_le32(mpath->dsn),
+					PERR_RCODE_DEST_UNREACH,
 					sdata->dev->broadcast, sdata);
 		} else
 		spin_unlock_bh(&mpath->state_lock);
@@ -611,7 +612,8 @@ void mesh_path_discard_frame(struct sk_buff *skb,
 		mpath = mesh_path_lookup(da, sdata);
 		if (mpath)
 			dsn = ++mpath->dsn;
-		mesh_path_error_tx(skb->data, cpu_to_le32(dsn), ra, sdata);
+		mesh_path_error_tx(MESH_TTL, skb->data, cpu_to_le32(dsn),
+				   PERR_RCODE_NO_ROUTE, ra, sdata);
 	}
 
 	kfree_skb(skb);
-- 
GitLab


From a6a58b4f14106e61e5d78aac7995686ed0d5eab8 Mon Sep 17 00:00:00 2001
From: Rui Paulo <rpaulo@gmail.com>
Date: Mon, 9 Nov 2009 23:46:51 +0000
Subject: [PATCH 1203/1815] mac80211: properly forward the RANN IE

Increase hopcount and convert metric to LE before forwarding the RANN
action frame.

Signed-off-by: Rui Paulo <rpaulo@gmail.com>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Reviewed-by: Andrey Yurovsky <andrey@cozybit.com>
Tested-by: Brian Cavagnolo <brian@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/mesh_hwmp.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index eb4180bff57..7d36f3a741a 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -686,6 +686,7 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata,
 	orig_addr = rann->rann_addr;
 	orig_dsn = rann->rann_seq;
 	hopcount = rann->rann_hopcount;
+	hopcount++;
 	metric = rann->rann_metric;
 	mhwmp_dbg("received RANN from %pM\n", orig_addr);
 
@@ -706,7 +707,8 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata,
 		mesh_path_sel_frame_tx(MPATH_RANN, flags, orig_addr,
 				       cpu_to_le32(orig_dsn),
 				       0, NULL, 0, sdata->dev->broadcast,
-				       hopcount, ttl, 0, cpu_to_le32(metric),
+				       hopcount, ttl, 0,
+				       cpu_to_le32(metric + mpath->metric),
 				       0, sdata);
 		mpath->dsn = orig_dsn;
 	}
-- 
GitLab


From 77fa76bb7f5589cd336e4da4a02e2d685b70ce0a Mon Sep 17 00:00:00 2001
From: Rui Paulo <rpaulo@gmail.com>
Date: Mon, 9 Nov 2009 23:46:52 +0000
Subject: [PATCH 1204/1815] mac80211: set the AID field correctly for mesh peer
 frames

This sets the AID field correctly for mesh peer confirm frames.

Signed-off-by: Rui Paulo <rpaulo@gmail.com>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Reviewed-by: Andrey Yurovsky <andrey@cozybit.com>
Tested-by: Brian Cavagnolo <brian@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/mesh_plink.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index cf12f616c5b..ec68d2046d2 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -181,7 +181,8 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
 		if (action == PLINK_CONFIRM) {
 			pos = skb_put(skb, 4);
 			/* two-byte status code followed by two-byte AID */
-			memset(pos, 0, 4);
+			memset(pos, 0, 2);
+			memcpy(pos + 2, &plid, 2);
 		}
 		mesh_mgmt_ies_add(skb, sdata);
 	}
-- 
GitLab


From 36f0d5f537885179c8fa92a70d4fcfb3a336b082 Mon Sep 17 00:00:00 2001
From: Rui Paulo <rpaulo@gmail.com>
Date: Mon, 9 Nov 2009 23:46:53 +0000
Subject: [PATCH 1205/1815] mac80211: fix BSSID setup for beacon frames

BSSID is now set to the TA.

Signed-off-by: Rui Paulo <rpaulo@gmail.com>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Reviewed-by: Andrey Yurovsky <andrey@cozybit.com>
Tested-by: Brian Cavagnolo <brian@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/tx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 2f3345c5f7c..3ad053f6de1 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -2148,7 +2148,7 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
 		    cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 		memset(mgmt->da, 0xff, ETH_ALEN);
 		memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
-		/* BSSID is left zeroed, wildcard value */
+		memcpy(mgmt->bssid, sdata->dev->dev_addr, ETH_ALEN);
 		mgmt->u.beacon.beacon_int =
 			cpu_to_le16(sdata->vif.bss_conf.beacon_int);
 		mgmt->u.beacon.capab_info = 0x0; /* 0x0 for MPs */
-- 
GitLab


From be125c60e46e165fbfe33db36a4a9d943d560a5b Mon Sep 17 00:00:00 2001
From: Rui Paulo <rpaulo@gmail.com>
Date: Mon, 9 Nov 2009 23:46:54 +0000
Subject: [PATCH 1206/1815] mac80211: add the DS params to the beacon

Signed-off-by: Rui Paulo <rpaulo@gmail.com>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Reviewed-by: Andrey Yurovsky <andrey@cozybit.com>
Tested-by: Brian Cavagnolo <brian@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/mesh.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 63427d98321..222a3133839 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -247,6 +247,13 @@ void mesh_mgmt_ies_add(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata)
 		}
 	}
 
+	if (sband->band == IEEE80211_BAND_2GHZ) {
+		pos = skb_put(skb, 2 + 1);
+		*pos++ = WLAN_EID_DS_PARAMS;
+		*pos++ = 1;
+		*pos++ = ieee80211_frequency_to_channel(local->hw.conf.channel->center_freq);
+	}
+
 	pos = skb_put(skb, 2 + sdata->u.mesh.mesh_id_len);
 	*pos++ = WLAN_EID_MESH_ID;
 	*pos++ = sdata->u.mesh.mesh_id_len;
-- 
GitLab


From d19b3bf6384e66ac6e11a61ee31ed2cfe149f4d8 Mon Sep 17 00:00:00 2001
From: Rui Paulo <rpaulo@gmail.com>
Date: Mon, 9 Nov 2009 23:46:55 +0000
Subject: [PATCH 1207/1815] mac80211: replace "destination" with "target" to
 follow the spec

Resulting object files have the same MD5 as before.

Signed-off-by: Rui Paulo <rpaulo@gmail.com>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Reviewed-by: Andrey Yurovsky <andrey@cozybit.com>
Tested-by: Brian Cavagnolo <brian@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 include/linux/nl80211.h     |   8 +-
 include/net/cfg80211.h      |   8 +-
 net/mac80211/cfg.c          |   8 +-
 net/mac80211/ieee80211_i.h  |  10 +-
 net/mac80211/mesh.c         |   2 +-
 net/mac80211/mesh.h         |  10 +-
 net/mac80211/mesh_hwmp.c    | 221 ++++++++++++++++++------------------
 net/mac80211/mesh_pathtbl.c |  12 +-
 net/wireless/nl80211.c      |   6 +-
 9 files changed, 144 insertions(+), 141 deletions(-)

diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index 203adef972c..7a0bd6ea6f6 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -899,14 +899,14 @@ enum nl80211_sta_info {
  *
  * @NL80211_MPATH_FLAG_ACTIVE: the mesh path is active
  * @NL80211_MPATH_FLAG_RESOLVING: the mesh path discovery process is running
- * @NL80211_MPATH_FLAG_DSN_VALID: the mesh path contains a valid DSN
+ * @NL80211_MPATH_FLAG_SN_VALID: the mesh path contains a valid SN
  * @NL80211_MPATH_FLAG_FIXED: the mesh path has been manually set
  * @NL80211_MPATH_FLAG_RESOLVED: the mesh path discovery process succeeded
  */
 enum nl80211_mpath_flags {
 	NL80211_MPATH_FLAG_ACTIVE =	1<<0,
 	NL80211_MPATH_FLAG_RESOLVING =	1<<1,
-	NL80211_MPATH_FLAG_DSN_VALID =	1<<2,
+	NL80211_MPATH_FLAG_SN_VALID =	1<<2,
 	NL80211_MPATH_FLAG_FIXED =	1<<3,
 	NL80211_MPATH_FLAG_RESOLVED =	1<<4,
 };
@@ -919,7 +919,7 @@ enum nl80211_mpath_flags {
  *
  * @__NL80211_MPATH_INFO_INVALID: attribute number 0 is reserved
  * @NL80211_ATTR_MPATH_FRAME_QLEN: number of queued frames for this destination
- * @NL80211_ATTR_MPATH_DSN: destination sequence number
+ * @NL80211_ATTR_MPATH_SN: destination sequence number
  * @NL80211_ATTR_MPATH_METRIC: metric (cost) of this mesh path
  * @NL80211_ATTR_MPATH_EXPTIME: expiration time for the path, in msec from now
  * @NL80211_ATTR_MPATH_FLAGS: mesh path flags, enumerated in
@@ -930,7 +930,7 @@ enum nl80211_mpath_flags {
 enum nl80211_mpath_info {
 	__NL80211_MPATH_INFO_INVALID,
 	NL80211_MPATH_INFO_FRAME_QLEN,
-	NL80211_MPATH_INFO_DSN,
+	NL80211_MPATH_INFO_SN,
 	NL80211_MPATH_INFO_METRIC,
 	NL80211_MPATH_INFO_EXPTIME,
 	NL80211_MPATH_INFO_FLAGS,
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 1ee41e4a92e..7d0ae9c1828 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -420,7 +420,7 @@ enum monitor_flags {
  * in during get_station() or dump_station().
  *
  * MPATH_INFO_FRAME_QLEN: @frame_qlen filled
- * MPATH_INFO_DSN: @dsn filled
+ * MPATH_INFO_SN: @sn filled
  * MPATH_INFO_METRIC: @metric filled
  * MPATH_INFO_EXPTIME: @exptime filled
  * MPATH_INFO_DISCOVERY_TIMEOUT: @discovery_timeout filled
@@ -429,7 +429,7 @@ enum monitor_flags {
  */
 enum mpath_info_flags {
 	MPATH_INFO_FRAME_QLEN		= BIT(0),
-	MPATH_INFO_DSN			= BIT(1),
+	MPATH_INFO_SN			= BIT(1),
 	MPATH_INFO_METRIC		= BIT(2),
 	MPATH_INFO_EXPTIME		= BIT(3),
 	MPATH_INFO_DISCOVERY_TIMEOUT	= BIT(4),
@@ -444,7 +444,7 @@ enum mpath_info_flags {
  *
  * @filled: bitfield of flags from &enum mpath_info_flags
  * @frame_qlen: number of queued frames for this destination
- * @dsn: destination sequence number
+ * @sn: target sequence number
  * @metric: metric (cost) of this mesh path
  * @exptime: expiration time for the mesh path from now, in msecs
  * @flags: mesh path flags
@@ -458,7 +458,7 @@ enum mpath_info_flags {
 struct mpath_info {
 	u32 filled;
 	u32 frame_qlen;
-	u32 dsn;
+	u32 sn;
 	u32 metric;
 	u32 exptime;
 	u32 discovery_timeout;
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 576b86f81d1..81053587e72 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -935,7 +935,7 @@ static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
 	pinfo->generation = mesh_paths_generation;
 
 	pinfo->filled = MPATH_INFO_FRAME_QLEN |
-			MPATH_INFO_DSN |
+			MPATH_INFO_SN |
 			MPATH_INFO_METRIC |
 			MPATH_INFO_EXPTIME |
 			MPATH_INFO_DISCOVERY_TIMEOUT |
@@ -943,7 +943,7 @@ static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
 			MPATH_INFO_FLAGS;
 
 	pinfo->frame_qlen = mpath->frame_queue.qlen;
-	pinfo->dsn = mpath->dsn;
+	pinfo->sn = mpath->sn;
 	pinfo->metric = mpath->metric;
 	if (time_before(jiffies, mpath->exp_time))
 		pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
@@ -955,8 +955,8 @@ static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
 		pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
 	if (mpath->flags & MESH_PATH_RESOLVING)
 		pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
-	if (mpath->flags & MESH_PATH_DSN_VALID)
-		pinfo->flags |= NL80211_MPATH_FLAG_DSN_VALID;
+	if (mpath->flags & MESH_PATH_SN_VALID)
+		pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
 	if (mpath->flags & MESH_PATH_FIXED)
 		pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
 	if (mpath->flags & MESH_PATH_RESOLVING)
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 2a7d3d4067e..fb54ddb9b27 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -373,14 +373,14 @@ struct ieee80211_if_mesh {
 	u8 mesh_sp_id;
 	/* Authentication Protocol Identifier */
 	u8 mesh_auth_id;
-	/* Local mesh Destination Sequence Number */
-	u32 dsn;
+	/* Local mesh Sequence Number */
+	u32 sn;
 	/* Last used PREQ ID */
 	u32 preq_id;
 	atomic_t mpaths;
-	/* Timestamp of last DSN update */
-	unsigned long last_dsn_update;
-	/* Timestamp of last DSN sent */
+	/* Timestamp of last SN update */
+	unsigned long last_sn_update;
+	/* Timestamp of last SN sent */
 	unsigned long last_preq;
 	struct mesh_rmc *rmc;
 	spinlock_t mesh_preq_queue_lock;
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 222a3133839..0f3e1147ec4 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -672,7 +672,7 @@ void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata)
 		MESH_MIN_DISCOVERY_TIMEOUT;
 	ifmsh->accepting_plinks = true;
 	ifmsh->preq_id = 0;
-	ifmsh->dsn = 0;
+	ifmsh->sn = 0;
 	atomic_set(&ifmsh->mpaths, 0);
 	mesh_rmc_init(sdata);
 	ifmsh->last_preq = jiffies;
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 1d534c70240..ee687add392 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -26,7 +26,7 @@
  *
  * @MESH_PATH_ACTIVE: the mesh path can be used for forwarding
  * @MESH_PATH_RESOLVING: the discovery process is running for this mesh path
- * @MESH_PATH_DSN_VALID: the mesh path contains a valid destination sequence
+ * @MESH_PATH_SN_VALID: the mesh path contains a valid destination sequence
  * 	number
  * @MESH_PATH_FIXED: the mesh path has been manually set and should not be
  * 	modified
@@ -38,7 +38,7 @@
 enum mesh_path_flags {
 	MESH_PATH_ACTIVE =	BIT(0),
 	MESH_PATH_RESOLVING =	BIT(1),
-	MESH_PATH_DSN_VALID =	BIT(2),
+	MESH_PATH_SN_VALID =	BIT(2),
 	MESH_PATH_FIXED	=	BIT(3),
 	MESH_PATH_RESOLVED =	BIT(4),
 };
@@ -70,7 +70,7 @@ enum mesh_deferred_task_flags {
  * @timer: mesh path discovery timer
  * @frame_queue: pending queue for frames sent to this destination while the
  * 	path is unresolved
- * @dsn: destination sequence number of the destination
+ * @sn: target sequence number
  * @metric: current metric to this destination
  * @hop_count: hops to destination
  * @exp_time: in jiffies, when the path will expire or when it expired
@@ -94,7 +94,7 @@ struct mesh_path {
 	struct timer_list timer;
 	struct sk_buff_head frame_queue;
 	struct rcu_head rcu;
-	u32 dsn;
+	u32 sn;
 	u32 metric;
 	u8 hop_count;
 	unsigned long exp_time;
@@ -280,7 +280,7 @@ void mesh_mpp_table_grow(void);
 u32 mesh_table_hash(u8 *addr, struct ieee80211_sub_if_data *sdata,
 		struct mesh_table *tbl);
 /* Mesh paths */
-int mesh_path_error_tx(u8 ttl, u8 *dest, __le32 dest_dsn, __le16 dest_rcode,
+int mesh_path_error_tx(u8 ttl, u8 *target, __le32 target_sn, __le16 target_rcode,
 		u8 *ra, struct ieee80211_sub_if_data *sdata);
 void mesh_path_assign_nexthop(struct mesh_path *mpath, struct sta_info *sta);
 void mesh_path_flush_pending(struct mesh_path *mpath);
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 7d36f3a741a..f03a27dfd61 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -56,33 +56,33 @@ static inline u32 u16_field_get(u8 *preq_elem, int offset, bool ae)
 #define PREQ_IE_TTL(x)		(*(x + 2))
 #define PREQ_IE_PREQ_ID(x)	u32_field_get(x, 3, 0)
 #define PREQ_IE_ORIG_ADDR(x)	(x + 7)
-#define PREQ_IE_ORIG_DSN(x)	u32_field_get(x, 13, 0);
+#define PREQ_IE_ORIG_SN(x)	u32_field_get(x, 13, 0);
 #define PREQ_IE_LIFETIME(x)	u32_field_get(x, 17, AE_F_SET(x));
 #define PREQ_IE_METRIC(x) 	u32_field_get(x, 21, AE_F_SET(x));
-#define PREQ_IE_DST_F(x)	(*(AE_F_SET(x) ? x + 32 : x + 26))
-#define PREQ_IE_DST_ADDR(x) 	(AE_F_SET(x) ? x + 33 : x + 27)
-#define PREQ_IE_DST_DSN(x) 	u32_field_get(x, 33, AE_F_SET(x));
+#define PREQ_IE_TARGET_F(x)	(*(AE_F_SET(x) ? x + 32 : x + 26))
+#define PREQ_IE_TARGET_ADDR(x) 	(AE_F_SET(x) ? x + 33 : x + 27)
+#define PREQ_IE_TARGET_SN(x) 	u32_field_get(x, 33, AE_F_SET(x));
 
 
 #define PREP_IE_FLAGS(x)	PREQ_IE_FLAGS(x)
 #define PREP_IE_HOPCOUNT(x)	PREQ_IE_HOPCOUNT(x)
 #define PREP_IE_TTL(x)		PREQ_IE_TTL(x)
 #define PREP_IE_ORIG_ADDR(x)	(x + 3)
-#define PREP_IE_ORIG_DSN(x)	u32_field_get(x, 9, 0);
+#define PREP_IE_ORIG_SN(x)	u32_field_get(x, 9, 0);
 #define PREP_IE_LIFETIME(x)	u32_field_get(x, 13, AE_F_SET(x));
 #define PREP_IE_METRIC(x)	u32_field_get(x, 17, AE_F_SET(x));
-#define PREP_IE_DST_ADDR(x)	(AE_F_SET(x) ? x + 27 : x + 21)
-#define PREP_IE_DST_DSN(x)	u32_field_get(x, 27, AE_F_SET(x));
+#define PREP_IE_TARGET_ADDR(x)	(AE_F_SET(x) ? x + 27 : x + 21)
+#define PREP_IE_TARGET_SN(x)	u32_field_get(x, 27, AE_F_SET(x));
 
 #define PERR_IE_TTL(x)		(*(x))
-#define PERR_IE_DST_FLAGS(x)	(*(x + 2))
-#define PERR_IE_DST_ADDR(x)	(x + 3)
-#define PERR_IE_DST_DSN(x)	u32_field_get(x, 9, 0);
-#define PERR_IE_DST_RCODE(x)	u16_field_get(x, 13, 0);
+#define PERR_IE_TARGET_FLAGS(x)	(*(x + 2))
+#define PERR_IE_TARGET_ADDR(x)	(x + 3)
+#define PERR_IE_TARGET_SN(x)	u32_field_get(x, 9, 0);
+#define PERR_IE_TARGET_RCODE(x)	u16_field_get(x, 13, 0);
 
 #define MSEC_TO_TU(x) (x*1000/1024)
-#define DSN_GT(x, y) ((long) (y) - (long) (x) < 0)
-#define DSN_LT(x, y) ((long) (x) - (long) (y) < 0)
+#define SN_GT(x, y) ((long) (y) - (long) (x) < 0)
+#define SN_LT(x, y) ((long) (x) - (long) (y) < 0)
 
 #define net_traversal_jiffies(s) \
 	msecs_to_jiffies(s->u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime)
@@ -102,9 +102,10 @@ enum mpath_frame_type {
 };
 
 static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
-		u8 *orig_addr, __le32 orig_dsn, u8 dst_flags, u8 *dst,
-		__le32 dst_dsn, u8 *da, u8 hop_count, u8 ttl, __le32 lifetime,
-		__le32 metric, __le32 preq_id, struct ieee80211_sub_if_data *sdata)
+		u8 *orig_addr, __le32 orig_sn, u8 target_flags, u8 *target,
+		__le32 target_sn, u8 *da, u8 hop_count, u8 ttl,__le32 lifetime,
+		__le32 metric, __le32 preq_id,
+		struct ieee80211_sub_if_data *sdata)
 {
 	struct ieee80211_local *local = sdata->local;
 	struct sk_buff *skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400);
@@ -133,13 +134,13 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
 
 	switch (action) {
 	case MPATH_PREQ:
-		mhwmp_dbg("sending PREQ to %pM\n", dst);
+		mhwmp_dbg("sending PREQ to %pM\n", target);
 		ie_len = 37;
 		pos = skb_put(skb, 2 + ie_len);
 		*pos++ = WLAN_EID_PREQ;
 		break;
 	case MPATH_PREP:
-		mhwmp_dbg("sending PREP to %pM\n", dst);
+		mhwmp_dbg("sending PREP to %pM\n", target);
 		ie_len = 31;
 		pos = skb_put(skb, 2 + ie_len);
 		*pos++ = WLAN_EID_PREP;
@@ -165,7 +166,7 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
 	}
 	memcpy(pos, orig_addr, ETH_ALEN);
 	pos += ETH_ALEN;
-	memcpy(pos, &orig_dsn, 4);
+	memcpy(pos, &orig_sn, 4);
 	pos += 4;
 	if (action != MPATH_RANN) {
 		memcpy(pos, &lifetime, 4);
@@ -176,12 +177,12 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
 	if (action == MPATH_PREQ) {
 		/* destination count */
 		*pos++ = 1;
-		*pos++ = dst_flags;
+		*pos++ = target_flags;
 	}
 	if (action != MPATH_RANN) {
-		memcpy(pos, dst, ETH_ALEN);
+		memcpy(pos, target, ETH_ALEN);
 		pos += ETH_ALEN;
-		memcpy(pos, &dst_dsn, 4);
+		memcpy(pos, &target_sn, 4);
 	}
 
 	ieee80211_tx_skb(sdata, skb, 1);
@@ -191,12 +192,14 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
 /**
  * mesh_send_path error - Sends a PERR mesh management frame
  *
- * @dst: broken destination
- * @dst_dsn: dsn of the broken destination
+ * @target: broken destination
+ * @target_sn: SN of the broken destination
+ * @target_rcode: reason code for this PERR
  * @ra: node this frame is addressed to
  */
-int mesh_path_error_tx(u8 ttl, u8 *dst, __le32 dst_dsn, __le16 dst_rcode,
-		u8 *ra, struct ieee80211_sub_if_data *sdata)
+int mesh_path_error_tx(u8 ttl, u8 *target, __le32 target_sn,
+		__le16 target_rcode, u8 *ra,
+		struct ieee80211_sub_if_data *sdata)
 {
 	struct ieee80211_local *local = sdata->local;
 	struct sk_buff *skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400);
@@ -234,16 +237,16 @@ int mesh_path_error_tx(u8 ttl, u8 *dst, __le32 dst_dsn, __le16 dst_rcode,
 	 * bit 2 is set if we have a reason code
 	 */
 	*pos = 0;
-	if (!dst_dsn)
+	if (!target_sn)
 		*pos |= MP_F_USN;
-	if (dst_rcode)
+	if (target_rcode)
 		*pos |= MP_F_RCODE;
 	pos++;
-	memcpy(pos, dst, ETH_ALEN);
+	memcpy(pos, target, ETH_ALEN);
 	pos += ETH_ALEN;
-	memcpy(pos, &dst_dsn, 4);
+	memcpy(pos, &target_sn, 4);
 	pos += 4;
-	memcpy(pos, &dst_rcode, 2);
+	memcpy(pos, &target_rcode, 2);
 
 	ieee80211_tx_skb(sdata, skb, 1);
 	return 0;
@@ -324,7 +327,7 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,
 	struct sta_info *sta;
 	bool fresh_info;
 	u8 *orig_addr, *ta;
-	u32 orig_dsn, orig_metric;
+	u32 orig_sn, orig_metric;
 	unsigned long orig_lifetime, exp_time;
 	u32 last_hop_metric, new_metric;
 	bool process = true;
@@ -343,7 +346,7 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,
 	switch (action) {
 	case MPATH_PREQ:
 		orig_addr = PREQ_IE_ORIG_ADDR(hwmp_ie);
-		orig_dsn = PREQ_IE_ORIG_DSN(hwmp_ie);
+		orig_sn = PREQ_IE_ORIG_SN(hwmp_ie);
 		orig_lifetime = PREQ_IE_LIFETIME(hwmp_ie);
 		orig_metric = PREQ_IE_METRIC(hwmp_ie);
 		break;
@@ -356,7 +359,7 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,
 		 * information from both PREQ and PREP frames.
 		 */
 		orig_addr = PREP_IE_ORIG_ADDR(hwmp_ie);
-		orig_dsn = PREP_IE_ORIG_DSN(hwmp_ie);
+		orig_sn = PREP_IE_ORIG_SN(hwmp_ie);
 		orig_lifetime = PREP_IE_LIFETIME(hwmp_ie);
 		orig_metric = PREP_IE_METRIC(hwmp_ie);
 		break;
@@ -382,9 +385,9 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,
 			if (mpath->flags & MESH_PATH_FIXED)
 				fresh_info = false;
 			else if ((mpath->flags & MESH_PATH_ACTIVE) &&
-			    (mpath->flags & MESH_PATH_DSN_VALID)) {
-				if (DSN_GT(mpath->dsn, orig_dsn) ||
-				    (mpath->dsn == orig_dsn &&
+			    (mpath->flags & MESH_PATH_SN_VALID)) {
+				if (SN_GT(mpath->sn, orig_sn) ||
+				    (mpath->sn == orig_sn &&
 				     action == MPATH_PREQ &&
 				     new_metric > mpath->metric)) {
 					process = false;
@@ -403,9 +406,9 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,
 
 		if (fresh_info) {
 			mesh_path_assign_nexthop(mpath, sta);
-			mpath->flags |= MESH_PATH_DSN_VALID;
+			mpath->flags |= MESH_PATH_SN_VALID;
 			mpath->metric = new_metric;
-			mpath->dsn = orig_dsn;
+			mpath->sn = orig_sn;
 			mpath->exp_time = time_after(mpath->exp_time, exp_time)
 					  ?  mpath->exp_time : exp_time;
 			mesh_path_activate(mpath);
@@ -444,7 +447,7 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,
 
 		if (fresh_info) {
 			mesh_path_assign_nexthop(mpath, sta);
-			mpath->flags &= ~MESH_PATH_DSN_VALID;
+			mpath->flags &= ~MESH_PATH_SN_VALID;
 			mpath->metric = last_hop_metric;
 			mpath->exp_time = time_after(mpath->exp_time, exp_time)
 					  ?  mpath->exp_time : exp_time;
@@ -466,47 +469,47 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
 {
 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
 	struct mesh_path *mpath;
-	u8 *dst_addr, *orig_addr;
-	u8 dst_flags, ttl;
-	u32 orig_dsn, dst_dsn, lifetime;
+	u8 *target_addr, *orig_addr;
+	u8 target_flags, ttl;
+	u32 orig_sn, target_sn, lifetime;
 	bool reply = false;
 	bool forward = true;
 
-	/* Update destination DSN, if present */
-	dst_addr = PREQ_IE_DST_ADDR(preq_elem);
+	/* Update target SN, if present */
+	target_addr = PREQ_IE_TARGET_ADDR(preq_elem);
 	orig_addr = PREQ_IE_ORIG_ADDR(preq_elem);
-	dst_dsn = PREQ_IE_DST_DSN(preq_elem);
-	orig_dsn = PREQ_IE_ORIG_DSN(preq_elem);
-	dst_flags = PREQ_IE_DST_F(preq_elem);
+	target_sn = PREQ_IE_TARGET_SN(preq_elem);
+	orig_sn = PREQ_IE_ORIG_SN(preq_elem);
+	target_flags = PREQ_IE_TARGET_F(preq_elem);
 
 	mhwmp_dbg("received PREQ from %pM\n", orig_addr);
 
-	if (memcmp(dst_addr, sdata->dev->dev_addr, ETH_ALEN) == 0) {
+	if (memcmp(target_addr, sdata->dev->dev_addr, ETH_ALEN) == 0) {
 		mhwmp_dbg("PREQ is for us\n");
 		forward = false;
 		reply = true;
 		metric = 0;
-		if (time_after(jiffies, ifmsh->last_dsn_update +
+		if (time_after(jiffies, ifmsh->last_sn_update +
 					net_traversal_jiffies(sdata)) ||
-		    time_before(jiffies, ifmsh->last_dsn_update)) {
-			dst_dsn = ++ifmsh->dsn;
-			ifmsh->last_dsn_update = jiffies;
+		    time_before(jiffies, ifmsh->last_sn_update)) {
+			target_sn = ++ifmsh->sn;
+			ifmsh->last_sn_update = jiffies;
 		}
 	} else {
 		rcu_read_lock();
-		mpath = mesh_path_lookup(dst_addr, sdata);
+		mpath = mesh_path_lookup(target_addr, sdata);
 		if (mpath) {
-			if ((!(mpath->flags & MESH_PATH_DSN_VALID)) ||
-					DSN_LT(mpath->dsn, dst_dsn)) {
-				mpath->dsn = dst_dsn;
-				mpath->flags |= MESH_PATH_DSN_VALID;
-			} else if ((!(dst_flags & MP_F_DO)) &&
+			if ((!(mpath->flags & MESH_PATH_SN_VALID)) ||
+					SN_LT(mpath->sn, target_sn)) {
+				mpath->sn = target_sn;
+				mpath->flags |= MESH_PATH_SN_VALID;
+			} else if ((!(target_flags & MP_F_DO)) &&
 					(mpath->flags & MESH_PATH_ACTIVE)) {
 				reply = true;
 				metric = mpath->metric;
-				dst_dsn = mpath->dsn;
-				if (dst_flags & MP_F_RF)
-					dst_flags |= MP_F_DO;
+				target_sn = mpath->sn;
+				if (target_flags & MP_F_RF)
+					target_flags |= MP_F_DO;
 				else
 					forward = false;
 			}
@@ -519,9 +522,9 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
 		ttl = ifmsh->mshcfg.dot11MeshTTL;
 		if (ttl != 0) {
 			mhwmp_dbg("replying to the PREQ\n");
-			mesh_path_sel_frame_tx(MPATH_PREP, 0, dst_addr,
-				cpu_to_le32(dst_dsn), 0, orig_addr,
-				cpu_to_le32(orig_dsn), mgmt->sa, 0, ttl,
+			mesh_path_sel_frame_tx(MPATH_PREP, 0, target_addr,
+				cpu_to_le32(target_sn), 0, orig_addr,
+				cpu_to_le32(orig_sn), mgmt->sa, 0, ttl,
 				cpu_to_le32(lifetime), cpu_to_le32(metric),
 				0, sdata);
 		} else
@@ -544,8 +547,8 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
 		preq_id = PREQ_IE_PREQ_ID(preq_elem);
 		hopcount = PREQ_IE_HOPCOUNT(preq_elem) + 1;
 		mesh_path_sel_frame_tx(MPATH_PREQ, flags, orig_addr,
-				cpu_to_le32(orig_dsn), dst_flags, dst_addr,
-				cpu_to_le32(dst_dsn), sdata->dev->broadcast,
+				cpu_to_le32(orig_sn), target_flags, target_addr,
+				cpu_to_le32(target_sn), sdata->dev->broadcast,
 				hopcount, ttl, cpu_to_le32(lifetime),
 				cpu_to_le32(metric), cpu_to_le32(preq_id),
 				sdata);
@@ -560,10 +563,10 @@ static void hwmp_prep_frame_process(struct ieee80211_sub_if_data *sdata,
 				    u8 *prep_elem, u32 metric)
 {
 	struct mesh_path *mpath;
-	u8 *dst_addr, *orig_addr;
+	u8 *target_addr, *orig_addr;
 	u8 ttl, hopcount, flags;
 	u8 next_hop[ETH_ALEN];
-	u32 dst_dsn, orig_dsn, lifetime;
+	u32 target_sn, orig_sn, lifetime;
 
 	mhwmp_dbg("received PREP from %pM\n", PREP_IE_ORIG_ADDR(prep_elem));
 
@@ -573,8 +576,8 @@ static void hwmp_prep_frame_process(struct ieee80211_sub_if_data *sdata,
 	 * which corresponds with the originator of the PREQ which this PREP
 	 * replies
 	 */
-	dst_addr = PREP_IE_DST_ADDR(prep_elem);
-	if (memcmp(dst_addr, sdata->dev->dev_addr, ETH_ALEN) == 0)
+	target_addr = PREP_IE_TARGET_ADDR(prep_elem);
+	if (memcmp(target_addr, sdata->dev->dev_addr, ETH_ALEN) == 0)
 		/* destination, no forwarding required */
 		return;
 
@@ -585,7 +588,7 @@ static void hwmp_prep_frame_process(struct ieee80211_sub_if_data *sdata,
 	}
 
 	rcu_read_lock();
-	mpath = mesh_path_lookup(dst_addr, sdata);
+	mpath = mesh_path_lookup(target_addr, sdata);
 	if (mpath)
 		spin_lock_bh(&mpath->state_lock);
 	else
@@ -601,13 +604,13 @@ static void hwmp_prep_frame_process(struct ieee80211_sub_if_data *sdata,
 	lifetime = PREP_IE_LIFETIME(prep_elem);
 	hopcount = PREP_IE_HOPCOUNT(prep_elem) + 1;
 	orig_addr = PREP_IE_ORIG_ADDR(prep_elem);
-	dst_dsn = PREP_IE_DST_DSN(prep_elem);
-	orig_dsn = PREP_IE_ORIG_DSN(prep_elem);
+	target_sn = PREP_IE_TARGET_SN(prep_elem);
+	orig_sn = PREP_IE_ORIG_SN(prep_elem);
 
 	mesh_path_sel_frame_tx(MPATH_PREP, flags, orig_addr,
-		cpu_to_le32(orig_dsn), 0, dst_addr,
-		cpu_to_le32(dst_dsn), mpath->next_hop->sta.addr, hopcount, ttl,
-		cpu_to_le32(lifetime), cpu_to_le32(metric),
+		cpu_to_le32(orig_sn), 0, target_addr,
+		cpu_to_le32(target_sn), mpath->next_hop->sta.addr, hopcount,
+		ttl, cpu_to_le32(lifetime), cpu_to_le32(metric),
 		0, sdata);
 	rcu_read_unlock();
 
@@ -627,10 +630,10 @@ static void hwmp_perr_frame_process(struct ieee80211_sub_if_data *sdata,
 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
 	struct mesh_path *mpath;
 	u8 ttl;
-	u8 *ta, *dst_addr;
-	u8 dst_flags;
-	u32 dst_dsn;
-	u16 dst_rcode;
+	u8 *ta, *target_addr;
+	u8 target_flags;
+	u32 target_sn;
+	u16 target_rcode;
 
 	ta = mgmt->sa;
 	ttl = PERR_IE_TTL(perr_elem);
@@ -639,24 +642,24 @@ static void hwmp_perr_frame_process(struct ieee80211_sub_if_data *sdata,
 		return;
 	}
 	ttl--;
-	dst_flags = PERR_IE_DST_FLAGS(perr_elem);
-	dst_addr = PERR_IE_DST_ADDR(perr_elem);
-	dst_dsn = PERR_IE_DST_DSN(perr_elem);
-	dst_rcode = PERR_IE_DST_RCODE(perr_elem);
+	target_flags = PERR_IE_TARGET_FLAGS(perr_elem);
+	target_addr = PERR_IE_TARGET_ADDR(perr_elem);
+	target_sn = PERR_IE_TARGET_SN(perr_elem);
+	target_rcode = PERR_IE_TARGET_RCODE(perr_elem);
 
 	rcu_read_lock();
-	mpath = mesh_path_lookup(dst_addr, sdata);
+	mpath = mesh_path_lookup(target_addr, sdata);
 	if (mpath) {
 		spin_lock_bh(&mpath->state_lock);
 		if (mpath->flags & MESH_PATH_ACTIVE &&
 		    memcmp(ta, mpath->next_hop->sta.addr, ETH_ALEN) == 0 &&
-		    (!(mpath->flags & MESH_PATH_DSN_VALID) ||
-		    DSN_GT(dst_dsn, mpath->dsn))) {
+		    (!(mpath->flags & MESH_PATH_SN_VALID) ||
+		    SN_GT(target_sn, mpath->sn))) {
 			mpath->flags &= ~MESH_PATH_ACTIVE;
-			mpath->dsn = dst_dsn;
+			mpath->sn = target_sn;
 			spin_unlock_bh(&mpath->state_lock);
-			mesh_path_error_tx(ttl, dst_addr, cpu_to_le32(dst_dsn),
-					   cpu_to_le16(dst_rcode),
+			mesh_path_error_tx(ttl, target_addr, cpu_to_le32(target_sn),
+					   cpu_to_le16(target_rcode),
 					   sdata->dev->broadcast, sdata);
 		} else
 			spin_unlock_bh(&mpath->state_lock);
@@ -673,7 +676,7 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata,
 	u8 *ta;
 	u8 ttl, flags, hopcount;
 	u8 *orig_addr;
-	u32 orig_dsn, metric;
+	u32 orig_sn, metric;
 
 	ta = mgmt->sa;
 	ttl = rann->rann_ttl;
@@ -684,7 +687,7 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata,
 	ttl--;
 	flags = rann->rann_flags;
 	orig_addr = rann->rann_addr;
-	orig_dsn = rann->rann_seq;
+	orig_sn = rann->rann_seq;
 	hopcount = rann->rann_hopcount;
 	hopcount++;
 	metric = rann->rann_metric;
@@ -703,14 +706,14 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata,
 		mesh_queue_preq(mpath,
 				PREQ_Q_F_START | PREQ_Q_F_REFRESH);
 	}
-	if (mpath->dsn < orig_dsn) {
+	if (mpath->sn < orig_sn) {
 		mesh_path_sel_frame_tx(MPATH_RANN, flags, orig_addr,
-				       cpu_to_le32(orig_dsn),
+				       cpu_to_le32(orig_sn),
 				       0, NULL, 0, sdata->dev->broadcast,
 				       hopcount, ttl, 0,
 				       cpu_to_le32(metric + mpath->metric),
 				       0, sdata);
-		mpath->dsn = orig_dsn;
+		mpath->sn = orig_sn;
 	}
 	rcu_read_unlock();
 }
@@ -823,7 +826,7 @@ void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata)
 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
 	struct mesh_preq_queue *preq_node;
 	struct mesh_path *mpath;
-	u8 ttl, dst_flags;
+	u8 ttl, target_flags;
 	u32 lifetime;
 
 	spin_lock_bh(&ifmsh->mesh_preq_queue_lock);
@@ -865,11 +868,11 @@ void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata)
 
 	ifmsh->last_preq = jiffies;
 
-	if (time_after(jiffies, ifmsh->last_dsn_update +
+	if (time_after(jiffies, ifmsh->last_sn_update +
 				net_traversal_jiffies(sdata)) ||
-	    time_before(jiffies, ifmsh->last_dsn_update)) {
-		++ifmsh->dsn;
-		sdata->u.mesh.last_dsn_update = jiffies;
+	    time_before(jiffies, ifmsh->last_sn_update)) {
+		++ifmsh->sn;
+		sdata->u.mesh.last_sn_update = jiffies;
 	}
 	lifetime = default_lifetime(sdata);
 	ttl = sdata->u.mesh.mshcfg.dot11MeshTTL;
@@ -880,14 +883,14 @@ void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata)
 	}
 
 	if (preq_node->flags & PREQ_Q_F_REFRESH)
-		dst_flags = MP_F_DO;
+		target_flags = MP_F_DO;
 	else
-		dst_flags = MP_F_RF;
+		target_flags = MP_F_RF;
 
 	spin_unlock_bh(&mpath->state_lock);
 	mesh_path_sel_frame_tx(MPATH_PREQ, 0, sdata->dev->dev_addr,
-			cpu_to_le32(ifmsh->dsn), dst_flags, mpath->dst,
-			cpu_to_le32(mpath->dsn), sdata->dev->broadcast, 0,
+			cpu_to_le32(ifmsh->sn), target_flags, mpath->dst,
+			cpu_to_le32(mpath->sn), sdata->dev->broadcast, 0,
 			ttl, cpu_to_le32(lifetime), 0,
 			cpu_to_le32(ifmsh->preq_id++), sdata);
 	mod_timer(&mpath->timer, jiffies + mpath->discovery_timeout);
@@ -914,15 +917,15 @@ int mesh_nexthop_lookup(struct sk_buff *skb,
 	struct sk_buff *skb_to_free = NULL;
 	struct mesh_path *mpath;
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
-	u8 *dst_addr = hdr->addr3;
+	u8 *target_addr = hdr->addr3;
 	int err = 0;
 
 	rcu_read_lock();
-	mpath = mesh_path_lookup(dst_addr, sdata);
+	mpath = mesh_path_lookup(target_addr, sdata);
 
 	if (!mpath) {
-		mesh_path_add(dst_addr, sdata);
-		mpath = mesh_path_lookup(dst_addr, sdata);
+		mesh_path_add(target_addr, sdata);
+		mpath = mesh_path_lookup(target_addr, sdata);
 		if (!mpath) {
 			sdata->u.mesh.mshstats.dropped_frames_no_route++;
 			err = -ENOSPC;
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index 5d541235ca2..2cebdf52b7b 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -463,10 +463,10 @@ void mesh_plink_broken(struct sta_info *sta)
 		    mpath->flags & MESH_PATH_ACTIVE &&
 		    !(mpath->flags & MESH_PATH_FIXED)) {
 			mpath->flags &= ~MESH_PATH_ACTIVE;
-			++mpath->dsn;
+			++mpath->sn;
 			spin_unlock_bh(&mpath->state_lock);
 			mesh_path_error_tx(MESH_TTL, mpath->dst,
-					cpu_to_le32(mpath->dsn),
+					cpu_to_le32(mpath->sn),
 					PERR_RCODE_DEST_UNREACH,
 					sdata->dev->broadcast, sdata);
 		} else
@@ -602,7 +602,7 @@ void mesh_path_discard_frame(struct sk_buff *skb,
 {
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
 	struct mesh_path *mpath;
-	u32 dsn = 0;
+	u32 sn = 0;
 
 	if (memcmp(hdr->addr4, sdata->dev->dev_addr, ETH_ALEN) != 0) {
 		u8 *ra, *da;
@@ -611,8 +611,8 @@ void mesh_path_discard_frame(struct sk_buff *skb,
 		ra = hdr->addr1;
 		mpath = mesh_path_lookup(da, sdata);
 		if (mpath)
-			dsn = ++mpath->dsn;
-		mesh_path_error_tx(MESH_TTL, skb->data, cpu_to_le32(dsn),
+			sn = ++mpath->sn;
+		mesh_path_error_tx(MESH_TTL, skb->data, cpu_to_le32(sn),
 				   PERR_RCODE_NO_ROUTE, ra, sdata);
 	}
 
@@ -648,7 +648,7 @@ void mesh_path_fix_nexthop(struct mesh_path *mpath, struct sta_info *next_hop)
 {
 	spin_lock_bh(&mpath->state_lock);
 	mesh_path_assign_nexthop(mpath, next_hop);
-	mpath->dsn = 0xffff;
+	mpath->sn = 0xffff;
 	mpath->metric = 0;
 	mpath->hop_count = 0;
 	mpath->exp_time = 0;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 8c8e4eae6a1..7c199987250 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -2116,9 +2116,9 @@ static int nl80211_send_mpath(struct sk_buff *msg, u32 pid, u32 seq,
 	if (pinfo->filled & MPATH_INFO_FRAME_QLEN)
 		NLA_PUT_U32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
 			    pinfo->frame_qlen);
-	if (pinfo->filled & MPATH_INFO_DSN)
-		NLA_PUT_U32(msg, NL80211_MPATH_INFO_DSN,
-			    pinfo->dsn);
+	if (pinfo->filled & MPATH_INFO_SN)
+		NLA_PUT_U32(msg, NL80211_MPATH_INFO_SN,
+			    pinfo->sn);
 	if (pinfo->filled & MPATH_INFO_METRIC)
 		NLA_PUT_U32(msg, NL80211_MPATH_INFO_METRIC,
 			    pinfo->metric);
-- 
GitLab


From e304bfd30f356f7b75d30cad0029ecca705fd590 Mon Sep 17 00:00:00 2001
From: Rui Paulo <rpaulo@gmail.com>
Date: Mon, 9 Nov 2009 23:46:56 +0000
Subject: [PATCH 1208/1815] mac80211: implement a timer to send RANN action
 frames

RANN (Root Annoucement) frame TX. Send an action frame every second
trying to build a path to all nodes on the mesh.

Signed-off-by: Rui Paulo <rpaulo@gmail.com>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Reviewed-by: Andrey Yurovsky <andrey@cozybit.com>
Tested-by: Brian Cavagnolo <brian@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/ieee80211_i.h |  1 +
 net/mac80211/mesh.c        | 39 ++++++++++++++++++++++++++++++++++++++
 net/mac80211/mesh.h        |  3 +++
 net/mac80211/mesh_hwmp.c   | 11 +++++++++++
 4 files changed, 54 insertions(+)

diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index fb54ddb9b27..b63b99fb2fd 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -355,6 +355,7 @@ struct ieee80211_if_mesh {
 	struct work_struct work;
 	struct timer_list housekeeping_timer;
 	struct timer_list mesh_path_timer;
+	struct timer_list mesh_path_root_timer;
 	struct sk_buff_head skb_queue;
 
 	unsigned long timers_running;
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 0f3e1147ec4..88dcfe3030b 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -14,6 +14,7 @@
 
 #define IEEE80211_MESH_PEER_INACTIVITY_LIMIT (1800 * HZ)
 #define IEEE80211_MESH_HOUSEKEEPING_INTERVAL (60 * HZ)
+#define IEEE80211_MESH_RANN_INTERVAL	     (1 * HZ)
 
 #define MESHCONF_PP_OFFSET 	0		/* Path Selection Protocol */
 #define MESHCONF_PM_OFFSET	1		/* Path Selection Metric   */
@@ -26,6 +27,7 @@
 
 #define TMR_RUNNING_HK	0
 #define TMR_RUNNING_MP	1
+#define TMR_RUNNING_MPR	2
 
 int mesh_allocated;
 static struct kmem_cache *rm_cache;
@@ -354,6 +356,23 @@ static void ieee80211_mesh_path_timer(unsigned long data)
 	ieee80211_queue_work(&local->hw, &ifmsh->work);
 }
 
+static void ieee80211_mesh_path_root_timer(unsigned long data)
+{
+	struct ieee80211_sub_if_data *sdata =
+		(struct ieee80211_sub_if_data *) data;
+	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
+	struct ieee80211_local *local = sdata->local;
+
+	set_bit(MESH_WORK_ROOT, &ifmsh->wrkq_flags);
+
+	if (local->quiescing) {
+		set_bit(TMR_RUNNING_MPR, &ifmsh->timers_running);
+		return;
+	}
+
+	ieee80211_queue_work(&local->hw, &ifmsh->work);
+}
+
 /**
  * ieee80211_fill_mesh_addresses - fill addresses of a locally originated mesh frame
  * @hdr:    	802.11 frame header
@@ -447,6 +466,15 @@ static void ieee80211_mesh_housekeeping(struct ieee80211_sub_if_data *sdata,
 		  round_jiffies(jiffies + IEEE80211_MESH_HOUSEKEEPING_INTERVAL));
 }
 
+static void ieee80211_mesh_rootpath(struct ieee80211_sub_if_data *sdata)
+{
+	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
+
+	mesh_path_tx_root_frame(sdata);
+	mod_timer(&ifmsh->mesh_path_root_timer,
+		  round_jiffies(jiffies + IEEE80211_MESH_RANN_INTERVAL));
+}
+
 #ifdef CONFIG_PM
 void ieee80211_mesh_quiesce(struct ieee80211_sub_if_data *sdata)
 {
@@ -461,6 +489,8 @@ void ieee80211_mesh_quiesce(struct ieee80211_sub_if_data *sdata)
 		set_bit(TMR_RUNNING_HK, &ifmsh->timers_running);
 	if (del_timer_sync(&ifmsh->mesh_path_timer))
 		set_bit(TMR_RUNNING_MP, &ifmsh->timers_running);
+	if (del_timer_sync(&ifmsh->mesh_path_root_timer))
+		set_bit(TMR_RUNNING_MPR, &ifmsh->timers_running);
 }
 
 void ieee80211_mesh_restart(struct ieee80211_sub_if_data *sdata)
@@ -471,6 +501,8 @@ void ieee80211_mesh_restart(struct ieee80211_sub_if_data *sdata)
 		add_timer(&ifmsh->housekeeping_timer);
 	if (test_and_clear_bit(TMR_RUNNING_MP, &ifmsh->timers_running))
 		add_timer(&ifmsh->mesh_path_timer);
+	if (test_and_clear_bit(TMR_RUNNING_MPR, &ifmsh->timers_running))
+		add_timer(&ifmsh->mesh_path_root_timer);
 }
 #endif
 
@@ -490,6 +522,7 @@ void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata)
 void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata)
 {
 	del_timer_sync(&sdata->u.mesh.housekeeping_timer);
+	del_timer_sync(&sdata->u.mesh.mesh_path_root_timer);
 	/*
 	 * If the timer fired while we waited for it, it will have
 	 * requeued the work. Now the work will be running again
@@ -627,6 +660,9 @@ static void ieee80211_mesh_work(struct work_struct *work)
 
 	if (test_and_clear_bit(MESH_WORK_HOUSEKEEPING, &ifmsh->wrkq_flags))
 		ieee80211_mesh_housekeeping(sdata, ifmsh);
+
+	if (test_and_clear_bit(MESH_WORK_ROOT, &ifmsh->wrkq_flags))
+		ieee80211_mesh_rootpath(sdata);
 }
 
 void ieee80211_mesh_notify_scan_completed(struct ieee80211_local *local)
@@ -683,6 +719,9 @@ void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata)
 	setup_timer(&ifmsh->mesh_path_timer,
 		    ieee80211_mesh_path_timer,
 		    (unsigned long) sdata);
+	setup_timer(&ifmsh->mesh_path_root_timer,
+		    ieee80211_mesh_path_root_timer,
+		    (unsigned long) sdata);
 	INIT_LIST_HEAD(&ifmsh->preq_queue.list);
 	spin_lock_init(&ifmsh->mesh_preq_queue_lock);
 }
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index ee687add392..00ee8425819 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -53,11 +53,13 @@ enum mesh_path_flags {
  * to grow.
  * @MESH_WORK_GROW_MPP_TABLE: the mesh portals table is full and needs to
  * grow
+ * @MESH_WORK_ROOT: the mesh root station needs to send a frame
  */
 enum mesh_deferred_task_flags {
 	MESH_WORK_HOUSEKEEPING,
 	MESH_WORK_GROW_MPATH_TABLE,
 	MESH_WORK_GROW_MPP_TABLE,
+	MESH_WORK_ROOT,
 };
 
 /**
@@ -294,6 +296,7 @@ void mesh_path_discard_frame(struct sk_buff *skb,
 		struct ieee80211_sub_if_data *sdata);
 void mesh_path_quiesce(struct ieee80211_sub_if_data *sdata);
 void mesh_path_restart(struct ieee80211_sub_if_data *sdata);
+void mesh_path_tx_root_frame(struct ieee80211_sub_if_data *sdata);
 
 extern int mesh_paths_generation;
 
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index f03a27dfd61..7483894a396 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -1003,3 +1003,14 @@ void mesh_path_timer(unsigned long data)
 endmpathtimer:
 	rcu_read_unlock();
 }
+
+void
+mesh_path_tx_root_frame(struct ieee80211_sub_if_data *sdata)
+{
+	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
+
+	mesh_path_sel_frame_tx(MPATH_RANN, 0, sdata->dev->dev_addr,
+			       cpu_to_le32(++ifmsh->sn),
+			       0, NULL, 0, sdata->dev->broadcast,
+			       0, MESH_TTL, 0, 0, 0, sdata);
+}
-- 
GitLab


From 63c5723bc3af8d4e86984dd4ff0c78218de418d0 Mon Sep 17 00:00:00 2001
From: Rui Paulo <rpaulo@gmail.com>
Date: Mon, 9 Nov 2009 23:46:57 +0000
Subject: [PATCH 1209/1815] mac80211: add nl80211/cfg80211 handling of the new
 mesh root mode option.

Signed-off-by: Rui Paulo <rpaulo@gmail.com>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Reviewed-by: Andrey Yurovsky <andrey@cozybit.com>
Tested-by: Brian Cavagnolo <brian@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 include/linux/nl80211.h       |  3 +++
 include/net/cfg80211.h        |  1 +
 net/mac80211/cfg.c            |  7 +++++++
 net/mac80211/debugfs_netdev.c |  2 ++
 net/mac80211/mesh.c           | 13 +++++++++++++
 net/mac80211/mesh.h           |  1 +
 net/wireless/nl80211.c        |  6 ++++++
 7 files changed, 33 insertions(+)

diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index 7a0bd6ea6f6..d2f276de9ab 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -1200,6 +1200,8 @@ enum nl80211_mntr_flags {
  * @NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME: The interval of time (in TUs)
  * that it takes for an HWMP information element to propagate across the mesh
  *
+ * @NL80211_MESHCONF_ROOTMODE: whether root mode is enabled or not
+ *
  * @NL80211_MESHCONF_ATTR_MAX: highest possible mesh configuration attribute
  *
  * @__NL80211_MESHCONF_ATTR_AFTER_LAST: internal use
@@ -1219,6 +1221,7 @@ enum nl80211_meshconf_params {
 	NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
 	NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
 	NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
+	NL80211_MESHCONF_HWMP_ROOTMODE,
 
 	/* keep last */
 	__NL80211_MESHCONF_ATTR_AFTER_LAST,
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 7d0ae9c1828..0e4c51fc63e 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -508,6 +508,7 @@ struct mesh_config {
 	u32 dot11MeshHWMPactivePathTimeout;
 	u16 dot11MeshHWMPpreqMinInterval;
 	u16 dot11MeshHWMPnetDiameterTraversalTime;
+	u8  dot11MeshHWMPRootMode;
 };
 
 /**
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 81053587e72..7f18c8fa188 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1029,7 +1029,10 @@ static int ieee80211_set_mesh_params(struct wiphy *wiphy,
 {
 	struct mesh_config *conf;
 	struct ieee80211_sub_if_data *sdata;
+	struct ieee80211_if_mesh *ifmsh;
+
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	ifmsh = &sdata->u.mesh;
 
 	/* Set the config options which we are interested in setting */
 	conf = &(sdata->u.mesh.mshcfg);
@@ -1064,6 +1067,10 @@ static int ieee80211_set_mesh_params(struct wiphy *wiphy,
 			   mask))
 		conf->dot11MeshHWMPnetDiameterTraversalTime =
 			nconf->dot11MeshHWMPnetDiameterTraversalTime;
+	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
+		conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
+		ieee80211_mesh_root_setup(ifmsh);
+	}
 	return 0;
 }
 
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index 8782264f49e..472b2039906 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -149,6 +149,8 @@ IEEE80211_IF_FILE(path_refresh_time,
 		u.mesh.mshcfg.path_refresh_time, DEC);
 IEEE80211_IF_FILE(min_discovery_timeout,
 		u.mesh.mshcfg.min_discovery_timeout, DEC);
+IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
+		u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
 #endif
 
 
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 88dcfe3030b..05955dc6b3d 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -373,6 +373,17 @@ static void ieee80211_mesh_path_root_timer(unsigned long data)
 	ieee80211_queue_work(&local->hw, &ifmsh->work);
 }
 
+void ieee80211_mesh_root_setup(struct ieee80211_if_mesh *ifmsh)
+{
+	if (ifmsh->mshcfg.dot11MeshHWMPRootMode)
+		set_bit(MESH_WORK_ROOT, &ifmsh->wrkq_flags);
+	else {
+		clear_bit(MESH_WORK_ROOT, &ifmsh->wrkq_flags);
+		/* stop running timer */
+		del_timer_sync(&ifmsh->mesh_path_root_timer);
+	}
+}
+
 /**
  * ieee80211_fill_mesh_addresses - fill addresses of a locally originated mesh frame
  * @hdr:    	802.11 frame header
@@ -503,6 +514,7 @@ void ieee80211_mesh_restart(struct ieee80211_sub_if_data *sdata)
 		add_timer(&ifmsh->mesh_path_timer);
 	if (test_and_clear_bit(TMR_RUNNING_MPR, &ifmsh->timers_running))
 		add_timer(&ifmsh->mesh_path_root_timer);
+	ieee80211_mesh_root_setup(ifmsh);
 }
 #endif
 
@@ -512,6 +524,7 @@ void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata)
 	struct ieee80211_local *local = sdata->local;
 
 	set_bit(MESH_WORK_HOUSEKEEPING, &ifmsh->wrkq_flags);
+	ieee80211_mesh_root_setup(ifmsh);
 	ieee80211_queue_work(&local->hw, &ifmsh->work);
 	sdata->vif.bss_conf.beacon_int = MESH_DEFAULT_BEACON_INTERVAL;
 	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON |
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 00ee8425819..5ad6975bf28 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -242,6 +242,7 @@ ieee80211_rx_result
 ieee80211_mesh_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb);
 void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata);
 void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata);
+void ieee80211_mesh_root_setup(struct ieee80211_if_mesh *ifmsh);
 
 /* Mesh paths */
 int mesh_nexthop_lookup(struct sk_buff *skb,
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 7c199987250..17bcad69428 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -2616,6 +2616,8 @@ static int nl80211_get_mesh_params(struct sk_buff *skb,
 			cur_params.dot11MeshHWMPpreqMinInterval);
 	NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
 			cur_params.dot11MeshHWMPnetDiameterTraversalTime);
+	NLA_PUT_U8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
+			cur_params.dot11MeshHWMPRootMode);
 	nla_nest_end(msg, pinfoattr);
 	genlmsg_end(msg, hdr);
 	err = genlmsg_reply(msg, info);
@@ -2726,6 +2728,10 @@ static int nl80211_set_mesh_params(struct sk_buff *skb, struct genl_info *info)
 			dot11MeshHWMPnetDiameterTraversalTime,
 			mask, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
 			nla_get_u16);
+	FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
+			dot11MeshHWMPRootMode, mask,
+			NL80211_MESHCONF_HWMP_ROOTMODE,
+			nla_get_u8);
 
 	/* Apply changes */
 	err = rdev->ops->set_mesh_params(&rdev->wiphy, dev, &cfg, mask);
-- 
GitLab


From 264d9b7d8a629620c8de84c614910c3164e935f8 Mon Sep 17 00:00:00 2001
From: Rui Paulo <rpaulo@gmail.com>
Date: Mon, 9 Nov 2009 23:46:58 +0000
Subject: [PATCH 1210/1815] mac80211: update copyrights to 2009

Signed-off-by: Rui Paulo <rpaulo@gmail.com>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Reviewed-by: Andrey Yurovsky <andrey@cozybit.com>
Tested-by: Brian Cavagnolo <brian@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/mesh.c         | 2 +-
 net/mac80211/mesh.h         | 2 +-
 net/mac80211/mesh_hwmp.c    | 2 +-
 net/mac80211/mesh_pathtbl.c | 2 +-
 net/mac80211/mesh_plink.c   | 2 +-
 5 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 05955dc6b3d..bbd56b08789 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008 open80211s Ltd.
+ * Copyright (c) 2008, 2009 open80211s Ltd.
  * Authors:    Luis Carlos Cobo <luisca@cozybit.com>
  * 	       Javier Cardona <javier@cozybit.com>
  *
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 5ad6975bf28..bd0e1cbb9a1 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008 open80211s Ltd.
+ * Copyright (c) 2008, 2009 open80211s Ltd.
  * Authors:    Luis Carlos Cobo <luisca@cozybit.com>
  *             Javier Cardona <javier@cozybit.com>
  *
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 7483894a396..5c67e7b8790 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008 open80211s Ltd.
+ * Copyright (c) 2008, 2009 open80211s Ltd.
  * Author:     Luis Carlos Cobo <luisca@cozybit.com>
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index 2cebdf52b7b..5399e7a9ec6 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008 open80211s Ltd.
+ * Copyright (c) 2008, 2009 open80211s Ltd.
  * Author:     Luis Carlos Cobo <luisca@cozybit.com>
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index ec68d2046d2..f21329afdae 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008 open80211s Ltd.
+ * Copyright (c) 2008, 2009 open80211s Ltd.
  * Author:     Luis Carlos Cobo <luisca@cozybit.com>
  *
  * This program is free software; you can redistribute it and/or modify
-- 
GitLab


From f273fe55e3f3f0b66b7624c0102d3ef44bbdfe6a Mon Sep 17 00:00:00 2001
From: Gertjan van Wingerde <gwingerde@gmail.com>
Date: Tue, 10 Nov 2009 22:41:51 +0100
Subject: [PATCH 1211/1815] rt2x00: Properly detect Ralink RT3070 devices.

Allow rt2800usb to properly detect RT307X based devices, and set the appropriate chipset values.

Signed-off-by: Gertjan van Wingede <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800lib.c | 28 +++++++++++++------------
 drivers/net/wireless/rt2x00/rt2x00.h    |  1 +
 2 files changed, 16 insertions(+), 13 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index eb6d12911b9..c41bb4a59d1 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -1828,24 +1828,26 @@ int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
 	value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
 	rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
 
+	rt2x00_set_chip_rf(rt2x00dev, value, reg);
+
 	if (rt2x00_intf_is_usb(rt2x00dev)) {
 		struct rt2x00_chip *chip = &rt2x00dev->chip;
 
-		rt2x00_set_chip(rt2x00dev, RT2870, value, reg);
-
 		/*
 		 * The check for rt2860 is not a typo, some rt2870 hardware
 		 * identifies itself as rt2860 in the CSR register.
 		 */
-		if (!rt2x00_check_rev(chip, 0xfff00000, 0x28600000) &&
-		    !rt2x00_check_rev(chip, 0xfff00000, 0x28700000) &&
-		    !rt2x00_check_rev(chip, 0xfff00000, 0x28800000) &&
-		    !rt2x00_check_rev(chip, 0xffff0000, 0x30700000)) {
+		if (rt2x00_check_rev(chip, 0xfff00000, 0x28600000) ||
+		    rt2x00_check_rev(chip, 0xfff00000, 0x28700000) ||
+		    rt2x00_check_rev(chip, 0xfff00000, 0x28800000)) {
+			rt2x00_set_chip_rt(rt2x00dev, RT2870);
+		} else if (rt2x00_check_rev(chip, 0xffff0000, 0x30700000)) {
+			rt2x00_set_chip_rt(rt2x00dev, RT3070);
+		} else {
 			ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
 			return -ENODEV;
 		}
-	} else if (rt2x00_intf_is_pci(rt2x00dev))
-		rt2x00_set_chip_rf(rt2x00dev, value, reg);
+	}
 
 	if (!rt2x00_rf(&rt2x00dev->chip, RF2820) &&
 	    !rt2x00_rf(&rt2x00dev->chip, RF2850) &&
@@ -1853,10 +1855,8 @@ int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
 	    !rt2x00_rf(&rt2x00dev->chip, RF2750) &&
 	    !rt2x00_rf(&rt2x00dev->chip, RF3020) &&
 	    !rt2x00_rf(&rt2x00dev->chip, RF2020) &&
-	    (rt2x00_intf_is_usb(rt2x00dev) ||
-	     (rt2x00_intf_is_pci(rt2x00dev) &&
-	      !rt2x00_rf(&rt2x00dev->chip, RF3021) &&
-	      !rt2x00_rf(&rt2x00dev->chip, RF3022)))) {
+	    !rt2x00_rf(&rt2x00dev->chip, RF3021) &&
+	    !rt2x00_rf(&rt2x00dev->chip, RF3022)) {
 		ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
 		return -ENODEV;
 	}
@@ -2057,7 +2057,9 @@ int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 		spec->channels = rf_vals;
 	} else if (rt2x00_intf_is_usb(rt2x00dev) &&
 		    (rt2x00_rf(chip, RF3020) ||
-		     rt2x00_rf(chip, RF2020))) {
+		     rt2x00_rf(chip, RF2020) ||
+		     rt2x00_rf(chip, RF3021) ||
+		     rt2x00_rf(chip, RF3022))) {
 		spec->num_channels = ARRAY_SIZE(rf_vals_3070);
 		spec->channels = rf_vals_3070;
 	}
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index 5a1b1612dca..62da572795a 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -172,6 +172,7 @@ struct rt2x00_chip {
 #define RT3052		0x3052	/* WSOC */
 #define RT3090		0x3090	/* 2.4GHz PCIe */
 #define RT2870		0x1600
+#define RT3070		0x1800
 
 	u16 rf;
 	u32 rev;
-- 
GitLab


From a043897a314e8bcfc821d54fe4e591efed5936a3 Mon Sep 17 00:00:00 2001
From: Holger Schurig <holgerschurig@gmail.com>
Date: Wed, 11 Nov 2009 11:30:02 +0100
Subject: [PATCH 1212/1815] cfg80211: introduce nl80211_get_ifidx()

... which get's rid of three indentical cut-n-paste sections.

Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/wireless/nl80211.c | 76 ++++++++++++++++++------------------------
 1 file changed, 33 insertions(+), 43 deletions(-)

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 17bcad69428..4dc139cdba5 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -152,6 +152,26 @@ nl80211_key_policy[NL80211_KEY_MAX + 1] __read_mostly = {
 	[NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
 };
 
+/* ifidx get helper */
+static int nl80211_get_ifidx(struct netlink_callback *cb)
+{
+	int res;
+
+	res = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
+			  nl80211_fam.attrbuf, nl80211_fam.maxattr,
+			  nl80211_policy);
+	if (res)
+		return res;
+
+	if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX])
+		return -EINVAL;
+
+	res = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]);
+	if (!res)
+		return -EINVAL;
+	return res;
+}
+
 /* IE validation */
 static bool is_valid_ie_attr(const struct nlattr *attr)
 {
@@ -1693,20 +1713,10 @@ static int nl80211_dump_station(struct sk_buff *skb,
 	int sta_idx = cb->args[1];
 	int err;
 
-	if (!ifidx) {
-		err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
-				  nl80211_fam.attrbuf, nl80211_fam.maxattr,
-				  nl80211_policy);
-		if (err)
-			return err;
-
-		if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX])
-			return -EINVAL;
-
-		ifidx = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]);
-		if (!ifidx)
-			return -EINVAL;
-	}
+	if (!ifidx)
+		ifidx = nl80211_get_ifidx(cb);
+	if (ifidx < 0)
+		return ifidx;
 
 	rtnl_lock();
 
@@ -2156,20 +2166,10 @@ static int nl80211_dump_mpath(struct sk_buff *skb,
 	int path_idx = cb->args[1];
 	int err;
 
-	if (!ifidx) {
-		err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
-				  nl80211_fam.attrbuf, nl80211_fam.maxattr,
-				  nl80211_policy);
-		if (err)
-			return err;
-
-		if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX])
-			return -EINVAL;
-
-		ifidx = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]);
-		if (!ifidx)
-			return -EINVAL;
-	}
+	if (!ifidx)
+		ifidx = nl80211_get_ifidx(cb);
+	if (ifidx < 0)
+		return ifidx;
 
 	rtnl_lock();
 
@@ -3198,21 +3198,11 @@ static int nl80211_dump_scan(struct sk_buff *skb,
 	int start = cb->args[1], idx = 0;
 	int err;
 
-	if (!ifidx) {
-		err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
-				  nl80211_fam.attrbuf, nl80211_fam.maxattr,
-				  nl80211_policy);
-		if (err)
-			return err;
-
-		if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX])
-			return -EINVAL;
-
-		ifidx = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]);
-		if (!ifidx)
-			return -EINVAL;
-		cb->args[0] = ifidx;
-	}
+	if (!ifidx)
+		ifidx = nl80211_get_ifidx(cb);
+	if (ifidx < 0)
+		return ifidx;
+	cb->args[0] = ifidx;
 
 	dev = dev_get_by_index(sock_net(skb->sk), ifidx);
 	if (!dev)
-- 
GitLab


From 61fa713c751683da915fa0c1aa502be85822c357 Mon Sep 17 00:00:00 2001
From: Holger Schurig <holgerschurig@gmail.com>
Date: Wed, 11 Nov 2009 12:25:40 +0100
Subject: [PATCH 1213/1815] cfg80211: return channel noise via survey API

This patch implements the NL80211_CMD_GET_SURVEY command and an get_survey()
ops that a driver can implement. The goal of this command is to allow a
drivers to report channel survey data (e.g. channel noise, channel
occupation).

For now, only the mechanism to report back channel noise has been
implemented.

In future, there will either be a survey-trigger command --- or the existing
scan-trigger command will be enhanced. This will allow user-space to
request survey for arbitrary channels.

Note: any driver that cannot report channel noise should not report
any value at all, e.g. made-up -92 dBm.

Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 include/linux/nl80211.h |  34 +++++++++++++
 include/net/cfg80211.h  |  34 +++++++++++++
 net/wireless/nl80211.c  | 105 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 173 insertions(+)

diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index d2f276de9ab..45db17f81aa 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -160,6 +160,11 @@
  * @NL80211_CMD_SCAN_ABORTED: scan was aborted, for unspecified reasons,
  *	partial scan results may be available
  *
+ * @NL80211_CMD_GET_SURVEY: get survey resuls, e.g. channel occupation
+ *      or noise level
+ * @NL80211_CMD_NEW_SURVEY_RESULTS: survey data notification (as a reply to
+ *	NL80211_CMD_GET_SURVEY and on the "scan" multicast group)
+ *
  * @NL80211_CMD_REG_CHANGE: indicates to userspace the regulatory domain
  * 	has been changed and provides details of the request information
  * 	that caused the change such as who initiated the regulatory request
@@ -341,6 +346,9 @@ enum nl80211_commands {
 
 	NL80211_CMD_SET_WIPHY_NETNS,
 
+	NL80211_CMD_GET_SURVEY,
+	NL80211_CMD_NEW_SURVEY_RESULTS,
+
 	/* add new commands above here */
 
 	/* used to define NL80211_CMD_MAX below */
@@ -586,6 +594,10 @@ enum nl80211_commands {
  *
  * @NL80211_ATTR_4ADDR: Use 4-address frames on a virtual interface
  *
+ * @NL80211_ATTR_SURVEY_INFO: survey information about a channel, part of
+ *      the survey response for %NL80211_CMD_GET_SURVEY, nested attribute
+ *      containing info as possible, see &enum survey_info.
+ *
  * @NL80211_ATTR_MAX: highest attribute number currently defined
  * @__NL80211_ATTR_AFTER_LAST: internal use
  */
@@ -718,6 +730,8 @@ enum nl80211_attrs {
 
 	NL80211_ATTR_4ADDR,
 
+	NL80211_ATTR_SURVEY_INFO,
+
 	/* add attributes here, update the policy in nl80211.c */
 
 	__NL80211_ATTR_AFTER_LAST,
@@ -1120,6 +1134,26 @@ enum nl80211_reg_rule_flags {
 	NL80211_RRF_NO_IBSS		= 1<<8,
 };
 
+/**
+ * enum nl80211_survey_info - survey information
+ *
+ * These attribute types are used with %NL80211_ATTR_SURVEY_INFO
+ * when getting information about a survey.
+ *
+ * @__NL80211_SURVEY_INFO_INVALID: attribute number 0 is reserved
+ * @NL80211_SURVEY_INFO_FREQUENCY: center frequency of channel
+ * @NL80211_SURVEY_INFO_NOISE: noise level of channel (u8, dBm)
+ */
+enum nl80211_survey_info {
+	__NL80211_SURVEY_INFO_INVALID,
+	NL80211_SURVEY_INFO_FREQUENCY,
+	NL80211_SURVEY_INFO_NOISE,
+
+	/* keep last */
+	__NL80211_SURVEY_INFO_AFTER_LAST,
+	NL80211_SURVEY_INFO_MAX = __NL80211_SURVEY_INFO_AFTER_LAST - 1
+};
+
 /**
  * enum nl80211_mntr_flags - monitor configuration flags
  *
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 0e4c51fc63e..21710fc17ea 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -234,6 +234,35 @@ struct key_params {
 	u32 cipher;
 };
 
+/**
+ * enum survey_info_flags - survey information flags
+ *
+ * Used by the driver to indicate which info in &struct survey_info
+ * it has filled in during the get_survey().
+ */
+enum survey_info_flags {
+	SURVEY_INFO_NOISE_DBM = 1<<0,
+};
+
+/**
+ * struct survey_info - channel survey response
+ *
+ * Used by dump_survey() to report back per-channel survey information.
+ *
+ * @channel: the channel this survey record reports, mandatory
+ * @filled: bitflag of flags from &enum survey_info_flags
+ * @noise: channel noise in dBm. This and all following fields are
+ *     optional
+ *
+ * This structure can later be expanded with things like
+ * channel duty cycle etc.
+ */
+struct survey_info {
+	struct ieee80211_channel *channel;
+	u32 filled;
+	s8 noise;
+};
+
 /**
  * struct beacon_parameters - beacon parameters
  *
@@ -944,6 +973,8 @@ struct cfg80211_bitrate_mask {
  * @rfkill_poll: polls the hw rfkill line, use cfg80211 reporting
  *	functions to adjust rfkill hw state
  *
+ * @dump_survey: get site survey information.
+ *
  * @testmode_cmd: run a test mode command
  */
 struct cfg80211_ops {
@@ -1063,6 +1094,9 @@ struct cfg80211_ops {
 				    const u8 *peer,
 				    const struct cfg80211_bitrate_mask *mask);
 
+	int	(*dump_survey)(struct wiphy *wiphy, struct net_device *netdev,
+			int idx, struct survey_info *info);
+
 	/* some temporary stuff to finish wext */
 	int	(*set_power_mgmt)(struct wiphy *wiphy, struct net_device *dev,
 				  bool enabled, int timeout);
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 4dc139cdba5..5c8b3bfada4 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -3245,6 +3245,106 @@ static int nl80211_dump_scan(struct sk_buff *skb,
 	return err;
 }
 
+static int nl80211_send_survey(struct sk_buff *msg, u32 pid, u32 seq,
+				int flags, struct net_device *dev,
+				struct survey_info *survey)
+{
+	void *hdr;
+	struct nlattr *infoattr;
+
+	/* Survey without a channel doesn't make sense */
+	if (!survey->channel)
+		return -EINVAL;
+
+	hdr = nl80211hdr_put(msg, pid, seq, flags,
+			     NL80211_CMD_NEW_SURVEY_RESULTS);
+	if (!hdr)
+		return -ENOMEM;
+
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
+
+	infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO);
+	if (!infoattr)
+		goto nla_put_failure;
+
+	NLA_PUT_U32(msg, NL80211_SURVEY_INFO_FREQUENCY,
+		    survey->channel->center_freq);
+	if (survey->filled & SURVEY_INFO_NOISE_DBM)
+		NLA_PUT_U8(msg, NL80211_SURVEY_INFO_NOISE,
+			    survey->noise);
+
+	nla_nest_end(msg, infoattr);
+
+	return genlmsg_end(msg, hdr);
+
+ nla_put_failure:
+	genlmsg_cancel(msg, hdr);
+	return -EMSGSIZE;
+}
+
+static int nl80211_dump_survey(struct sk_buff *skb,
+			struct netlink_callback *cb)
+{
+	struct survey_info survey;
+	struct cfg80211_registered_device *dev;
+	struct net_device *netdev;
+	int ifidx = cb->args[0];
+	int survey_idx = cb->args[1];
+	int res;
+
+	if (!ifidx)
+		ifidx = nl80211_get_ifidx(cb);
+	if (ifidx < 0)
+		return ifidx;
+	cb->args[0] = ifidx;
+
+	rtnl_lock();
+
+	netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
+	if (!netdev) {
+		res = -ENODEV;
+		goto out_rtnl;
+	}
+
+	dev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx);
+	if (IS_ERR(dev)) {
+		res = PTR_ERR(dev);
+		goto out_rtnl;
+	}
+
+	if (!dev->ops->dump_survey) {
+		res = -EOPNOTSUPP;
+		goto out_err;
+	}
+
+	while (1) {
+		res = dev->ops->dump_survey(&dev->wiphy, netdev, survey_idx,
+					    &survey);
+		if (res == -ENOENT)
+			break;
+		if (res)
+			goto out_err;
+
+		if (nl80211_send_survey(skb,
+				NETLINK_CB(cb->skb).pid,
+				cb->nlh->nlmsg_seq, NLM_F_MULTI,
+				netdev,
+				&survey) < 0)
+			goto out;
+		survey_idx++;
+	}
+
+ out:
+	cb->args[1] = survey_idx;
+	res = skb->len;
+ out_err:
+	cfg80211_unlock_rdev(dev);
+ out_rtnl:
+	rtnl_unlock();
+
+	return res;
+}
+
 static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type)
 {
 	return auth_type <= NL80211_AUTHTYPE_MAX;
@@ -4322,6 +4422,11 @@ static struct genl_ops nl80211_ops[] = {
 		.policy = nl80211_policy,
 		.flags = GENL_ADMIN_PERM,
 	},
+	{
+		.cmd = NL80211_CMD_GET_SURVEY,
+		.policy = nl80211_policy,
+		.dumpit = nl80211_dump_survey,
+	},
 };
 static struct genl_multicast_group nl80211_mlme_mcgrp = {
 	.name = "mlme",
-- 
GitLab


From f501dba4c4c5bda1b64c941997ab7ece1d503945 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Wed, 11 Nov 2009 13:17:36 +0100
Subject: [PATCH 1214/1815] mac80211: fix broadcast frame handling for 4-addr
 AP VLANs

Without this patch, broadcast frames from the station behind a
4-addr AP VLAN would be reflected back to the source.
Fix this by checking the 4-addr flag before bridging multicast
frames in the cell.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/rx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 006cf89df70..6bce97ee253 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1236,7 +1236,7 @@ ieee80211_deliver_skb(struct ieee80211_rx_data *rx)
 	if ((sdata->vif.type == NL80211_IFTYPE_AP ||
 	     sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
 	    !(sdata->flags & IEEE80211_SDATA_DONT_BRIDGE_PACKETS) &&
-	    (rx->flags & IEEE80211_RX_RA_MATCH)) {
+	    (rx->flags & IEEE80211_RX_RA_MATCH) && !rx->sdata->use_4addr) {
 		if (is_multicast_ether_addr(ehdr->h_dest)) {
 			/*
 			 * send multicast frames both to higher layers in
-- 
GitLab


From c258d2de972d1e391a3dec731e0801ed1cc85494 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Wed, 11 Nov 2009 17:23:31 +0100
Subject: [PATCH 1215/1815] nl80211: only allow adding stations to running vlan
 interfaces

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/wireless/nl80211.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 5c8b3bfada4..37264d56bac 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -1821,7 +1821,7 @@ static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
 }
 
 /*
- * Get vlan interface making sure it is on the right wiphy.
+ * Get vlan interface making sure it is running and on the right wiphy.
  */
 static int get_vlan(struct genl_info *info,
 		    struct cfg80211_registered_device *rdev,
@@ -1839,6 +1839,8 @@ static int get_vlan(struct genl_info *info,
 			return -EINVAL;
 		if ((*vlan)->ieee80211_ptr->wiphy != &rdev->wiphy)
 			return -EINVAL;
+		if (!netif_running(*vlan))
+			return -ENETDOWN;
 	}
 	return 0;
 }
-- 
GitLab


From c90017dd43f0cdb42134b9229761e8be02bcd524 Mon Sep 17 00:00:00 2001
From: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Date: Fri, 13 Nov 2009 14:32:39 +0530
Subject: [PATCH 1216/1815] ath9k_hw: Fix possible OOB array indexing in
 gen_timer_index[] on 64-bit

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 6d3e314c4be..abaa2f09a3b 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -432,7 +432,7 @@ struct ath9k_hw_version {
  * Using de Bruijin sequence to to look up 1's index in a 32 bit number
  * debruijn32 = 0000 0111 0111 1100 1011 0101 0011 0001
  */
-#define debruijn32 0x077CB531UL
+#define debruijn32 0x077CB531U
 
 struct ath_gen_timer_configuration {
 	u32 next_addr;
-- 
GitLab


From c37919bfe0a5c1bee9a31701a31e05a2f8840936 Mon Sep 17 00:00:00 2001
From: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Date: Fri, 13 Nov 2009 14:32:40 +0530
Subject: [PATCH 1217/1815] ath9k_hw: Fix AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_BB
 and its shift value in 0x4054

The bit value of AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_BB is wrong, it should
be 0x400 and the number of bits to be right shifted is 10. Having this
wrong value in 0x4054 sometimes affects bt quality on btcoex environment.

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/reg.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h
index 061e12ce0b2..49ec25f020f 100644
--- a/drivers/net/wireless/ath/ath9k/reg.h
+++ b/drivers/net/wireless/ath/ath9k/reg.h
@@ -971,10 +971,10 @@ enum {
 #define AR_GPIO_INPUT_EN_VAL_BT_ACTIVE_S         4
 #define AR_GPIO_INPUT_EN_VAL_RFSILENT_DEF        0x00000080
 #define AR_GPIO_INPUT_EN_VAL_RFSILENT_DEF_S      7
+#define AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_BB      0x00000400
+#define AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_BB_S    10
 #define AR_GPIO_INPUT_EN_VAL_BT_ACTIVE_BB        0x00001000
 #define AR_GPIO_INPUT_EN_VAL_BT_ACTIVE_BB_S      12
-#define AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_BB      0x00001000
-#define AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_BB_S    1
 #define AR_GPIO_INPUT_EN_VAL_RFSILENT_BB         0x00008000
 #define AR_GPIO_INPUT_EN_VAL_RFSILENT_BB_S       15
 #define AR_GPIO_RTC_RESET_OVERRIDE_ENABLE        0x00010000
-- 
GitLab


From 235faf9b41b7b090be15b483bf900c0b9a8da4ea Mon Sep 17 00:00:00 2001
From: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Date: Thu, 12 Nov 2009 20:04:52 +0100
Subject: [PATCH 1218/1815] rt2800lib: fix some typos and punctuation in
 comments

fix some typos and punctuation in comments

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
[bart: ported the change from the older patch for rt2800usb & rt61pci]
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800lib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index c41bb4a59d1..9656699c6ef 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -1089,7 +1089,7 @@ int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
 
 	if (rt2x00_intf_is_usb(rt2x00dev)) {
 		/*
-		 * Wait untill BBP and RF are ready.
+		 * Wait until BBP and RF are ready.
 		 */
 		for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 			rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
-- 
GitLab


From bee7ca9ec03a26676ea2b1c28dc4039348eff3e1 Mon Sep 17 00:00:00 2001
From: William Allen Simpson <william.allen.simpson@gmail.com>
Date: Tue, 10 Nov 2009 09:51:18 +0000
Subject: [PATCH 1219/1815] net: TCP_MSS_DEFAULT, TCP_MSS_DESIRED

Define two symbols needed in both kernel and user space.

Remove old (somewhat incorrect) kernel variant that wasn't used in
most cases.  Default should apply to both RMSS and SMSS (RFC2581).

Replace numeric constants with defined symbols.

Stand-alone patch, originally developed for TCPCT.

Signed-off-by: William.Allen.Simpson@gmail.com
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/tcp.h      | 6 ++++++
 include/net/tcp.h        | 3 ---
 net/ipv4/tcp_input.c     | 4 ++--
 net/ipv4/tcp_ipv4.c      | 6 +++---
 net/ipv4/tcp_minisocks.c | 2 +-
 net/ipv6/tcp_ipv6.c      | 2 +-
 6 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index eeecb8547a2..32d7d77b4a0 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -81,6 +81,12 @@ enum {
 	TCP_DATA_OFFSET = __cpu_to_be32(0xF0000000)
 }; 
 
+/*
+ * TCP general constants
+ */
+#define TCP_MSS_DEFAULT		 536U	/* IPv4 (RFC1122, RFC2581) */
+#define TCP_MSS_DESIRED		1220U	/* IPv6 (tunneled), EDNS0 (RFC3226) */
+
 /* TCP socket options */
 #define TCP_NODELAY		1	/* Turn off Nagle's algorithm. */
 #define TCP_MAXSEG		2	/* Limit MSS */
diff --git a/include/net/tcp.h b/include/net/tcp.h
index bf20f88fd03..325bfcf5c93 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -62,9 +62,6 @@ extern void tcp_time_wait(struct sock *sk, int state, int timeo);
 /* Minimal accepted MSS. It is (60+60+8) - (20+20). */
 #define TCP_MIN_MSS		88U
 
-/* Minimal RCV_MSS. */
-#define TCP_MIN_RCVMSS		536U
-
 /* The least MTU to use for probing */
 #define TCP_BASE_MSS		512
 
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index be0c5bf7bfc..cc306ac6eb5 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -140,7 +140,7 @@ static void tcp_measure_rcv_mss(struct sock *sk, const struct sk_buff *skb)
 		 * "len" is invariant segment length, including TCP header.
 		 */
 		len += skb->data - skb_transport_header(skb);
-		if (len >= TCP_MIN_RCVMSS + sizeof(struct tcphdr) ||
+		if (len >= TCP_MSS_DEFAULT + sizeof(struct tcphdr) ||
 		    /* If PSH is not set, packet should be
 		     * full sized, provided peer TCP is not badly broken.
 		     * This observation (if it is correct 8)) allows
@@ -411,7 +411,7 @@ void tcp_initialize_rcv_mss(struct sock *sk)
 	unsigned int hint = min_t(unsigned int, tp->advmss, tp->mss_cache);
 
 	hint = min(hint, tp->rcv_wnd / 2);
-	hint = min(hint, TCP_MIN_RCVMSS);
+	hint = min(hint, TCP_MSS_DEFAULT);
 	hint = max(hint, TCP_MIN_MSS);
 
 	inet_csk(sk)->icsk_ack.rcv_mss = hint;
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 657ae334f12..cf7f2086e6e 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -217,7 +217,7 @@ int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 	if (inet->opt)
 		inet_csk(sk)->icsk_ext_hdr_len = inet->opt->optlen;
 
-	tp->rx_opt.mss_clamp = 536;
+	tp->rx_opt.mss_clamp = TCP_MSS_DEFAULT;
 
 	/* Socket identity is still unknown (sport may be zero).
 	 * However we set state to SYN-SENT and not releasing socket
@@ -1268,7 +1268,7 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
 		goto drop_and_free;
 
 	tcp_clear_options(&tmp_opt);
-	tmp_opt.mss_clamp = 536;
+	tmp_opt.mss_clamp = TCP_MSS_DEFAULT;
 	tmp_opt.user_mss  = tcp_sk(sk)->rx_opt.user_mss;
 
 	tcp_parse_options(skb, &tmp_opt, 0, dst);
@@ -1815,7 +1815,7 @@ static int tcp_v4_init_sock(struct sock *sk)
 	 */
 	tp->snd_ssthresh = TCP_INFINITE_SSTHRESH;
 	tp->snd_cwnd_clamp = ~0;
-	tp->mss_cache = 536;
+	tp->mss_cache = TCP_MSS_DEFAULT;
 
 	tp->reordering = sysctl_tcp_reordering;
 	icsk->icsk_ca_ops = &tcp_init_congestion_ops;
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index a9d34e224cb..4be22280e6b 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -476,7 +476,7 @@ struct sock *tcp_create_openreq_child(struct sock *sk, struct request_sock *req,
 		if (newtp->af_specific->md5_lookup(sk, newsk))
 			newtp->tcp_header_len += TCPOLEN_MD5SIG_ALIGNED;
 #endif
-		if (skb->len >= TCP_MIN_RCVMSS+newtp->tcp_header_len)
+		if (skb->len >= TCP_MSS_DEFAULT + newtp->tcp_header_len)
 			newicsk->icsk_ack.last_seg_size = skb->len - newtp->tcp_header_len;
 		newtp->rx_opt.mss_clamp = req->mss;
 		TCP_ECN_openreq_child(newtp, req);
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 696a22f034e..de709091b26 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1851,7 +1851,7 @@ static int tcp_v6_init_sock(struct sock *sk)
 	 */
 	tp->snd_ssthresh = TCP_INFINITE_SSTHRESH;
 	tp->snd_cwnd_clamp = ~0;
-	tp->mss_cache = 536;
+	tp->mss_cache = TCP_MSS_DEFAULT;
 
 	tp->reordering = sysctl_tcp_reordering;
 
-- 
GitLab


From ce81b76a39835a721cd168e0c0bcfe7132f1f66b Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 11 Nov 2009 17:34:30 +0000
Subject: [PATCH 1220/1815] ipv6: use RCU to walk list of network devices

No longer need read_lock(&dev_base_lock), use RCU instead.
We also can avoid taking references on inet6_dev structs.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/netdevice.h | 10 ++++++++
 net/ipv6/anycast.c        | 29 +++++++++++-----------
 net/ipv6/mcast.c          | 51 ++++++++++++++++++---------------------
 3 files changed, 47 insertions(+), 43 deletions(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 8b266390b9e..61425d0c612 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1114,6 +1114,16 @@ static inline struct net_device *next_net_device(struct net_device *dev)
 	return lh == &net->dev_base_head ? NULL : net_device_entry(lh);
 }
 
+static inline struct net_device *next_net_device_rcu(struct net_device *dev)
+{
+	struct list_head *lh;
+	struct net *net;
+
+	net = dev_net(dev);
+	lh = rcu_dereference(dev->dev_list.next);
+	return lh == &net->dev_base_head ? NULL : net_device_entry(lh);
+}
+
 static inline struct net_device *first_net_device(struct net *net)
 {
 	return list_empty(&net->dev_base_head) ? NULL :
diff --git a/net/ipv6/anycast.c b/net/ipv6/anycast.c
index 2f00ca83f04..f1c74c8ef9d 100644
--- a/net/ipv6/anycast.c
+++ b/net/ipv6/anycast.c
@@ -431,9 +431,9 @@ static inline struct ifacaddr6 *ac6_get_first(struct seq_file *seq)
 	struct net *net = seq_file_net(seq);
 
 	state->idev = NULL;
-	for_each_netdev(net, state->dev) {
+	for_each_netdev_rcu(net, state->dev) {
 		struct inet6_dev *idev;
-		idev = in6_dev_get(state->dev);
+		idev = __in6_dev_get(state->dev);
 		if (!idev)
 			continue;
 		read_lock_bh(&idev->lock);
@@ -443,7 +443,6 @@ static inline struct ifacaddr6 *ac6_get_first(struct seq_file *seq)
 			break;
 		}
 		read_unlock_bh(&idev->lock);
-		in6_dev_put(idev);
 	}
 	return im;
 }
@@ -454,16 +453,15 @@ static struct ifacaddr6 *ac6_get_next(struct seq_file *seq, struct ifacaddr6 *im
 
 	im = im->aca_next;
 	while (!im) {
-		if (likely(state->idev != NULL)) {
+		if (likely(state->idev != NULL))
 			read_unlock_bh(&state->idev->lock);
-			in6_dev_put(state->idev);
-		}
-		state->dev = next_net_device(state->dev);
+
+		state->dev = next_net_device_rcu(state->dev);
 		if (!state->dev) {
 			state->idev = NULL;
 			break;
 		}
-		state->idev = in6_dev_get(state->dev);
+		state->idev = __in6_dev_get(state->dev);
 		if (!state->idev)
 			continue;
 		read_lock_bh(&state->idev->lock);
@@ -482,29 +480,30 @@ static struct ifacaddr6 *ac6_get_idx(struct seq_file *seq, loff_t pos)
 }
 
 static void *ac6_seq_start(struct seq_file *seq, loff_t *pos)
-	__acquires(dev_base_lock)
+	__acquires(RCU)
 {
-	read_lock(&dev_base_lock);
+	rcu_read_lock();
 	return ac6_get_idx(seq, *pos);
 }
 
 static void *ac6_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 {
-	struct ifacaddr6 *im;
-	im = ac6_get_next(seq, v);
+	struct ifacaddr6 *im = ac6_get_next(seq, v);
+
 	++*pos;
 	return im;
 }
 
 static void ac6_seq_stop(struct seq_file *seq, void *v)
-	__releases(dev_base_lock)
+	__releases(RCU)
 {
 	struct ac6_iter_state *state = ac6_seq_private(seq);
+
 	if (likely(state->idev != NULL)) {
 		read_unlock_bh(&state->idev->lock);
-		in6_dev_put(state->idev);
+		state->idev = NULL;
 	}
-	read_unlock(&dev_base_lock);
+	rcu_read_unlock();
 }
 
 static int ac6_seq_show(struct seq_file *seq, void *v)
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index f9fcf690bd5..1f9c44442e6 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -2375,9 +2375,9 @@ static inline struct ifmcaddr6 *igmp6_mc_get_first(struct seq_file *seq)
 	struct net *net = seq_file_net(seq);
 
 	state->idev = NULL;
-	for_each_netdev(net, state->dev) {
+	for_each_netdev_rcu(net, state->dev) {
 		struct inet6_dev *idev;
-		idev = in6_dev_get(state->dev);
+		idev = __in6_dev_get(state->dev);
 		if (!idev)
 			continue;
 		read_lock_bh(&idev->lock);
@@ -2387,7 +2387,6 @@ static inline struct ifmcaddr6 *igmp6_mc_get_first(struct seq_file *seq)
 			break;
 		}
 		read_unlock_bh(&idev->lock);
-		in6_dev_put(idev);
 	}
 	return im;
 }
@@ -2398,16 +2397,15 @@ static struct ifmcaddr6 *igmp6_mc_get_next(struct seq_file *seq, struct ifmcaddr
 
 	im = im->next;
 	while (!im) {
-		if (likely(state->idev != NULL)) {
+		if (likely(state->idev != NULL))
 			read_unlock_bh(&state->idev->lock);
-			in6_dev_put(state->idev);
-		}
-		state->dev = next_net_device(state->dev);
+
+		state->dev = next_net_device_rcu(state->dev);
 		if (!state->dev) {
 			state->idev = NULL;
 			break;
 		}
-		state->idev = in6_dev_get(state->dev);
+		state->idev = __in6_dev_get(state->dev);
 		if (!state->idev)
 			continue;
 		read_lock_bh(&state->idev->lock);
@@ -2426,31 +2424,31 @@ static struct ifmcaddr6 *igmp6_mc_get_idx(struct seq_file *seq, loff_t pos)
 }
 
 static void *igmp6_mc_seq_start(struct seq_file *seq, loff_t *pos)
-	__acquires(dev_base_lock)
+	__acquires(RCU)
 {
-	read_lock(&dev_base_lock);
+	rcu_read_lock();
 	return igmp6_mc_get_idx(seq, *pos);
 }
 
 static void *igmp6_mc_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 {
-	struct ifmcaddr6 *im;
-	im = igmp6_mc_get_next(seq, v);
+	struct ifmcaddr6 *im = igmp6_mc_get_next(seq, v);
+
 	++*pos;
 	return im;
 }
 
 static void igmp6_mc_seq_stop(struct seq_file *seq, void *v)
-	__releases(dev_base_lock)
+	__releases(RCU)
 {
 	struct igmp6_mc_iter_state *state = igmp6_mc_seq_private(seq);
+
 	if (likely(state->idev != NULL)) {
 		read_unlock_bh(&state->idev->lock);
-		in6_dev_put(state->idev);
 		state->idev = NULL;
 	}
 	state->dev = NULL;
-	read_unlock(&dev_base_lock);
+	rcu_read_unlock();
 }
 
 static int igmp6_mc_seq_show(struct seq_file *seq, void *v)
@@ -2507,9 +2505,9 @@ static inline struct ip6_sf_list *igmp6_mcf_get_first(struct seq_file *seq)
 
 	state->idev = NULL;
 	state->im = NULL;
-	for_each_netdev(net, state->dev) {
+	for_each_netdev_rcu(net, state->dev) {
 		struct inet6_dev *idev;
-		idev = in6_dev_get(state->dev);
+		idev = __in6_dev_get(state->dev);
 		if (unlikely(idev == NULL))
 			continue;
 		read_lock_bh(&idev->lock);
@@ -2525,7 +2523,6 @@ static inline struct ip6_sf_list *igmp6_mcf_get_first(struct seq_file *seq)
 			spin_unlock_bh(&im->mca_lock);
 		}
 		read_unlock_bh(&idev->lock);
-		in6_dev_put(idev);
 	}
 	return psf;
 }
@@ -2539,16 +2536,15 @@ static struct ip6_sf_list *igmp6_mcf_get_next(struct seq_file *seq, struct ip6_s
 		spin_unlock_bh(&state->im->mca_lock);
 		state->im = state->im->next;
 		while (!state->im) {
-			if (likely(state->idev != NULL)) {
+			if (likely(state->idev != NULL))
 				read_unlock_bh(&state->idev->lock);
-				in6_dev_put(state->idev);
-			}
-			state->dev = next_net_device(state->dev);
+
+			state->dev = next_net_device_rcu(state->dev);
 			if (!state->dev) {
 				state->idev = NULL;
 				goto out;
 			}
-			state->idev = in6_dev_get(state->dev);
+			state->idev = __in6_dev_get(state->dev);
 			if (!state->idev)
 				continue;
 			read_lock_bh(&state->idev->lock);
@@ -2573,9 +2569,9 @@ static struct ip6_sf_list *igmp6_mcf_get_idx(struct seq_file *seq, loff_t pos)
 }
 
 static void *igmp6_mcf_seq_start(struct seq_file *seq, loff_t *pos)
-	__acquires(dev_base_lock)
+	__acquires(RCU)
 {
-	read_lock(&dev_base_lock);
+	rcu_read_lock();
 	return *pos ? igmp6_mcf_get_idx(seq, *pos - 1) : SEQ_START_TOKEN;
 }
 
@@ -2591,7 +2587,7 @@ static void *igmp6_mcf_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 }
 
 static void igmp6_mcf_seq_stop(struct seq_file *seq, void *v)
-	__releases(dev_base_lock)
+	__releases(RCU)
 {
 	struct igmp6_mcf_iter_state *state = igmp6_mcf_seq_private(seq);
 	if (likely(state->im != NULL)) {
@@ -2600,11 +2596,10 @@ static void igmp6_mcf_seq_stop(struct seq_file *seq, void *v)
 	}
 	if (likely(state->idev != NULL)) {
 		read_unlock_bh(&state->idev->lock);
-		in6_dev_put(state->idev);
 		state->idev = NULL;
 	}
 	state->dev = NULL;
-	read_unlock(&dev_base_lock);
+	rcu_read_unlock();
 }
 
 static int igmp6_mcf_seq_show(struct seq_file *seq, void *v)
-- 
GitLab


From 6baff15037693c057e3047da02c460c7e7b346c2 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 11 Nov 2009 17:48:52 +0000
Subject: [PATCH 1221/1815] igmp: Use next_net_device_rcu()

We need to use next_det_device_rcu() in RCU protected section.

We also can avoid in_dev_get()/in_dev_put() overhead (code size mainly)
in rcu_read_lock() sections.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/igmp.c | 27 +++++++++++----------------
 1 file changed, 11 insertions(+), 16 deletions(-)

diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index bd24f6560a4..6110c6d6e61 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -2313,7 +2313,8 @@ static inline struct ip_mc_list *igmp_mc_get_first(struct seq_file *seq)
 	state->in_dev = NULL;
 	for_each_netdev_rcu(net, state->dev) {
 		struct in_device *in_dev;
-		in_dev = in_dev_get(state->dev);
+
+		in_dev = __in_dev_get_rcu(state->dev);
 		if (!in_dev)
 			continue;
 		read_lock(&in_dev->mc_list_lock);
@@ -2323,7 +2324,6 @@ static inline struct ip_mc_list *igmp_mc_get_first(struct seq_file *seq)
 			break;
 		}
 		read_unlock(&in_dev->mc_list_lock);
-		in_dev_put(in_dev);
 	}
 	return im;
 }
@@ -2333,16 +2333,15 @@ static struct ip_mc_list *igmp_mc_get_next(struct seq_file *seq, struct ip_mc_li
 	struct igmp_mc_iter_state *state = igmp_mc_seq_private(seq);
 	im = im->next;
 	while (!im) {
-		if (likely(state->in_dev != NULL)) {
+		if (likely(state->in_dev != NULL))
 			read_unlock(&state->in_dev->mc_list_lock);
-			in_dev_put(state->in_dev);
-		}
-		state->dev = next_net_device(state->dev);
+
+		state->dev = next_net_device_rcu(state->dev);
 		if (!state->dev) {
 			state->in_dev = NULL;
 			break;
 		}
-		state->in_dev = in_dev_get(state->dev);
+		state->in_dev = __in_dev_get_rcu(state->dev);
 		if (!state->in_dev)
 			continue;
 		read_lock(&state->in_dev->mc_list_lock);
@@ -2384,7 +2383,6 @@ static void igmp_mc_seq_stop(struct seq_file *seq, void *v)
 	struct igmp_mc_iter_state *state = igmp_mc_seq_private(seq);
 	if (likely(state->in_dev != NULL)) {
 		read_unlock(&state->in_dev->mc_list_lock);
-		in_dev_put(state->in_dev);
 		state->in_dev = NULL;
 	}
 	state->dev = NULL;
@@ -2464,7 +2462,7 @@ static inline struct ip_sf_list *igmp_mcf_get_first(struct seq_file *seq)
 	state->im = NULL;
 	for_each_netdev_rcu(net, state->dev) {
 		struct in_device *idev;
-		idev = in_dev_get(state->dev);
+		idev = __in_dev_get_rcu(state->dev);
 		if (unlikely(idev == NULL))
 			continue;
 		read_lock(&idev->mc_list_lock);
@@ -2480,7 +2478,6 @@ static inline struct ip_sf_list *igmp_mcf_get_first(struct seq_file *seq)
 			spin_unlock_bh(&im->lock);
 		}
 		read_unlock(&idev->mc_list_lock);
-		in_dev_put(idev);
 	}
 	return psf;
 }
@@ -2494,16 +2491,15 @@ static struct ip_sf_list *igmp_mcf_get_next(struct seq_file *seq, struct ip_sf_l
 		spin_unlock_bh(&state->im->lock);
 		state->im = state->im->next;
 		while (!state->im) {
-			if (likely(state->idev != NULL)) {
+			if (likely(state->idev != NULL))
 				read_unlock(&state->idev->mc_list_lock);
-				in_dev_put(state->idev);
-			}
-			state->dev = next_net_device(state->dev);
+
+			state->dev = next_net_device_rcu(state->dev);
 			if (!state->dev) {
 				state->idev = NULL;
 				goto out;
 			}
-			state->idev = in_dev_get(state->dev);
+			state->idev = __in_dev_get_rcu(state->dev);
 			if (!state->idev)
 				continue;
 			read_lock(&state->idev->mc_list_lock);
@@ -2555,7 +2551,6 @@ static void igmp_mcf_seq_stop(struct seq_file *seq, void *v)
 	}
 	if (likely(state->idev != NULL)) {
 		read_unlock(&state->idev->mc_list_lock);
-		in_dev_put(state->idev);
 		state->idev = NULL;
 	}
 	state->dev = NULL;
-- 
GitLab


From ddb1417529559810ec2024fd8ca21e4d497a3275 Mon Sep 17 00:00:00 2001
From: Wan ZongShun <mcuos.com@gmail.com>
Date: Wed, 11 Nov 2009 04:35:22 +0000
Subject: [PATCH 1222/1815] ARM: fix bug of checking on signed return value
 using unsigned statement in w90p910 platform

To fix the bug of checking on signed return value using unsigned statement.
Thanks Roel Kluin for digging out it.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Wan ZongShun <mcuos.com@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/arm/w90p910_ether.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/arm/w90p910_ether.c b/drivers/net/arm/w90p910_ether.c
index 25e2627eb11..b7f3866d546 100644
--- a/drivers/net/arm/w90p910_ether.c
+++ b/drivers/net/arm/w90p910_ether.c
@@ -160,8 +160,8 @@ struct  w90p910_ether {
 	struct mii_if_info mii;
 	struct timer_list check_timer;
 	void __iomem *reg;
-	unsigned int rxirq;
-	unsigned int txirq;
+	int rxirq;
+	int txirq;
 	unsigned int cur_tx;
 	unsigned int cur_rx;
 	unsigned int finish_tx;
-- 
GitLab


From 0e15439ae5fefe438056a26a00aa3c6a9de454e9 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Thu, 12 Nov 2009 18:36:41 +0000
Subject: [PATCH 1223/1815] igb: change type for ring sizes to u16 in
 igb_set_ring_param

Change the type for the ring size values to u16 and use min/max_t instead of
min/max.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb_ethtool.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
index 90b89a81f66..f2b28254f2a 100644
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -735,17 +735,17 @@ static int igb_set_ringparam(struct net_device *netdev,
 	struct igb_adapter *adapter = netdev_priv(netdev);
 	struct igb_ring *temp_ring;
 	int i, err = 0;
-	u32 new_rx_count, new_tx_count;
+	u16 new_rx_count, new_tx_count;
 
 	if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 		return -EINVAL;
 
-	new_rx_count = min(ring->rx_pending, (u32)IGB_MAX_RXD);
-	new_rx_count = max(new_rx_count, (u32)IGB_MIN_RXD);
+	new_rx_count = min_t(u32, ring->rx_pending, IGB_MAX_RXD);
+	new_rx_count = max_t(u16, new_rx_count, IGB_MIN_RXD);
 	new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE);
 
-	new_tx_count = min(ring->tx_pending, (u32)IGB_MAX_TXD);
-	new_tx_count = max(new_tx_count, (u32)IGB_MIN_TXD);
+	new_tx_count = min_t(u32, ring->tx_pending, IGB_MAX_TXD);
+	new_tx_count = max_t(u16, new_tx_count, IGB_MIN_TXD);
 	new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE);
 
 	if ((new_tx_count == adapter->tx_ring_count) &&
-- 
GitLab


From 115f459a53b0c56a699a76b34b82507452eb3df5 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Thu, 12 Nov 2009 18:37:00 +0000
Subject: [PATCH 1224/1815] igb: move timesync init into a seperate function

Current code is quite large and making igb_probe difficult to read.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb_main.c | 115 +++++++++++++++++++++----------------
 1 file changed, 65 insertions(+), 50 deletions(-)

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index b044c985df0..d72d4847610 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -1566,56 +1566,6 @@ static int __devinit igb_probe(struct pci_dev *pdev,
 	}
 
 #endif
-	switch (hw->mac.type) {
-	case e1000_82576:
-		/*
-		 * Initialize hardware timer: we keep it running just in case
-		 * that some program needs it later on.
-		 */
-		memset(&adapter->cycles, 0, sizeof(adapter->cycles));
-		adapter->cycles.read = igb_read_clock;
-		adapter->cycles.mask = CLOCKSOURCE_MASK(64);
-		adapter->cycles.mult = 1;
-		/**
-		 * Scale the NIC clock cycle by a large factor so that
-		 * relatively small clock corrections can be added or
-		 * substracted at each clock tick. The drawbacks of a large
-		 * factor are a) that the clock register overflows more quickly
-		 * (not such a big deal) and b) that the increment per tick has
-		 * to fit into 24 bits.  As a result we need to use a shift of
-		 * 19 so we can fit a value of 16 into the TIMINCA register.
-		 */
-		adapter->cycles.shift = IGB_82576_TSYNC_SHIFT;
-		wr32(E1000_TIMINCA,
-		                (1 << E1000_TIMINCA_16NS_SHIFT) |
-		                (16 << IGB_82576_TSYNC_SHIFT));
-
-		/* Set registers so that rollover occurs soon to test this. */
-		wr32(E1000_SYSTIML, 0x00000000);
-		wr32(E1000_SYSTIMH, 0xFF800000);
-		wrfl();
-
-		timecounter_init(&adapter->clock,
-				 &adapter->cycles,
-				 ktime_to_ns(ktime_get_real()));
-		/*
-		 * Synchronize our NIC clock against system wall clock. NIC
-		 * time stamp reading requires ~3us per sample, each sample
-		 * was pretty stable even under load => only require 10
-		 * samples for each offset comparison.
-		 */
-		memset(&adapter->compare, 0, sizeof(adapter->compare));
-		adapter->compare.source = &adapter->clock;
-		adapter->compare.target = ktime_get_real;
-		adapter->compare.num_samples = 10;
-		timecompare_update(&adapter->compare, 0);
-		break;
-	case e1000_82575:
-		/* 82575 does not support timesync */
-	default:
-		break;
-	}
-
 	dev_info(&pdev->dev, "Intel(R) Gigabit Ethernet Network Connection\n");
 	/* print bus type/speed/width info */
 	dev_info(&pdev->dev, "%s: (PCIe:%s:%s) %pM\n",
@@ -1781,6 +1731,70 @@ static void __devinit igb_probe_vfs(struct igb_adapter * adapter)
 #endif /* CONFIG_PCI_IOV */
 }
 
+
+/**
+ * igb_init_hw_timer - Initialize hardware timer used with IEEE 1588 timestamp
+ * @adapter: board private structure to initialize
+ *
+ * igb_init_hw_timer initializes the function pointer and values for the hw
+ * timer found in hardware.
+ **/
+static void igb_init_hw_timer(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+
+	switch (hw->mac.type) {
+	case e1000_82576:
+		/*
+		 * Initialize hardware timer: we keep it running just in case
+		 * that some program needs it later on.
+		 */
+		memset(&adapter->cycles, 0, sizeof(adapter->cycles));
+		adapter->cycles.read = igb_read_clock;
+		adapter->cycles.mask = CLOCKSOURCE_MASK(64);
+		adapter->cycles.mult = 1;
+		/**
+		 * Scale the NIC clock cycle by a large factor so that
+		 * relatively small clock corrections can be added or
+		 * substracted at each clock tick. The drawbacks of a large
+		 * factor are a) that the clock register overflows more quickly
+		 * (not such a big deal) and b) that the increment per tick has
+		 * to fit into 24 bits.  As a result we need to use a shift of
+		 * 19 so we can fit a value of 16 into the TIMINCA register.
+		 */
+		adapter->cycles.shift = IGB_82576_TSYNC_SHIFT;
+		wr32(E1000_TIMINCA,
+		                (1 << E1000_TIMINCA_16NS_SHIFT) |
+		                (16 << IGB_82576_TSYNC_SHIFT));
+
+		/* Set registers so that rollover occurs soon to test this. */
+		wr32(E1000_SYSTIML, 0x00000000);
+		wr32(E1000_SYSTIMH, 0xFF800000);
+		wrfl();
+
+		timecounter_init(&adapter->clock,
+				 &adapter->cycles,
+				 ktime_to_ns(ktime_get_real()));
+		/*
+		 * Synchronize our NIC clock against system wall clock. NIC
+		 * time stamp reading requires ~3us per sample, each sample
+		 * was pretty stable even under load => only require 10
+		 * samples for each offset comparison.
+		 */
+		memset(&adapter->compare, 0, sizeof(adapter->compare));
+		adapter->compare.source = &adapter->clock;
+		adapter->compare.target = ktime_get_real;
+		adapter->compare.num_samples = 10;
+		timecompare_update(&adapter->compare, 0);
+		break;
+	case e1000_82575:
+		/* 82575 does not support timesync */
+	default:
+		break;
+	}
+
+}
+
 /**
  * igb_sw_init - Initialize general software structures (struct igb_adapter)
  * @adapter: board private structure to initialize
@@ -1816,6 +1830,7 @@ static int __devinit igb_sw_init(struct igb_adapter *adapter)
 		return -ENOMEM;
 	}
 
+	igb_init_hw_timer(adapter);
 	igb_probe_vfs(adapter);
 
 	/* Explicitly disable IRQ since the NIC can be in any state. */
-- 
GitLab


From a99955fc067f57cf3b627d4c74bf7952a2d51029 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Thu, 12 Nov 2009 18:37:19 +0000
Subject: [PATCH 1225/1815] igb: when number of CPUs > 4 combine tx/rx queues
 to allow more queues

This patch makes it so that nics such as 82576 and newer can support more
hardware queues when there are more than 4 cpus by combining a tx/rx queue
pair onto one interrupt so that 8 queue pairs can be supported and thus
allow for more queues.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb.h      |  9 +++++----
 drivers/net/igb/igb_main.c | 31 ++++++++++++++++++++++---------
 2 files changed, 27 insertions(+), 13 deletions(-)

diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index 3298f5a11da..2bb95494377 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -59,10 +59,10 @@ struct igb_adapter;
 #define MAX_Q_VECTORS                      8
 
 /* Transmit and receive queues */
-#define IGB_MAX_RX_QUEUES     (adapter->vfs_allocated_count ? \
-                               (adapter->vfs_allocated_count > 6 ? 1 : 2) : 4)
-#define IGB_MAX_TX_QUEUES     IGB_MAX_RX_QUEUES
-#define IGB_ABS_MAX_TX_QUEUES     4
+#define IGB_MAX_RX_QUEUES                  (adapter->vfs_allocated_count ? 2 : \
+                                           (hw->mac.type > e1000_82575 ? 8 : 4))
+#define IGB_ABS_MAX_TX_QUEUES              8
+#define IGB_MAX_TX_QUEUES                  IGB_MAX_RX_QUEUES
 
 #define IGB_MAX_VF_MC_ENTRIES              30
 #define IGB_MAX_VF_FUNCTIONS               8
@@ -315,6 +315,7 @@ struct igb_adapter {
 	u16 rx_ring_count;
 	unsigned int vfs_allocated_count;
 	struct vf_data_storage *vf_data;
+	u32 rss_queues;
 };
 
 #define IGB_FLAG_HAS_MSI           (1 << 0)
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index d72d4847610..0235220a1d2 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -296,10 +296,10 @@ static void igb_cache_ring_register(struct igb_adapter *adapter)
 		 * and continue consuming queues in the same sequence
 		 */
 		if (adapter->vfs_allocated_count) {
-			for (; i < adapter->num_rx_queues; i++)
+			for (; i < adapter->rss_queues; i++)
 				adapter->rx_ring[i].reg_idx = rbase_offset +
 				                              Q_IDX_82576(i);
-			for (; j < adapter->num_tx_queues; j++)
+			for (; j < adapter->rss_queues; j++)
 				adapter->tx_ring[j].reg_idx = rbase_offset +
 				                              Q_IDX_82576(j);
 		}
@@ -618,14 +618,15 @@ static void igb_set_interrupt_capability(struct igb_adapter *adapter)
 	int numvecs, i;
 
 	/* Number of supported queues. */
-	adapter->num_rx_queues = min_t(u32, IGB_MAX_RX_QUEUES, num_online_cpus());
-	adapter->num_tx_queues = min_t(u32, IGB_MAX_TX_QUEUES, num_online_cpus());
+	adapter->num_rx_queues = adapter->rss_queues;
+	adapter->num_tx_queues = adapter->rss_queues;
 
 	/* start with one vector for every rx queue */
 	numvecs = adapter->num_rx_queues;
 
 	/* if tx handler is seperate add 1 for every tx queue */
-	numvecs += adapter->num_tx_queues;
+	if (!(adapter->flags & IGB_FLAG_QUEUE_PAIRS))
+		numvecs += adapter->num_tx_queues;
 
 	/* store the number of vectors reserved for queues */
 	adapter->num_q_vectors = numvecs;
@@ -666,6 +667,7 @@ msi_only:
 	}
 #endif
 	adapter->vfs_allocated_count = 0;
+	adapter->rss_queues = 1;
 	adapter->flags |= IGB_FLAG_QUEUE_PAIRS;
 	adapter->num_rx_queues = 1;
 	adapter->num_tx_queues = 1;
@@ -1824,6 +1826,17 @@ static int __devinit igb_sw_init(struct igb_adapter *adapter)
 		adapter->vfs_allocated_count = max_vfs;
 
 #endif /* CONFIG_PCI_IOV */
+	adapter->rss_queues = min_t(u32, IGB_MAX_RX_QUEUES, num_online_cpus());
+
+	/*
+	 * if rss_queues > 4 or vfs are going to be allocated with rss_queues
+	 * then we should combine the queues into a queue pair in order to
+	 * conserve interrupts due to limited supply
+	 */
+	if ((adapter->rss_queues > 4) ||
+	    ((adapter->rss_queues > 1) && (adapter->vfs_allocated_count > 6)))
+		adapter->flags |= IGB_FLAG_QUEUE_PAIRS;
+
 	/* This call may decrease the number of queues */
 	if (igb_init_interrupt_scheme(adapter)) {
 		dev_err(&pdev->dev, "Unable to allocate memory for queues\n");
@@ -2015,7 +2028,7 @@ static int igb_setup_all_tx_resources(struct igb_adapter *adapter)
 		}
 	}
 
-	for (i = 0; i < IGB_MAX_TX_QUEUES; i++) {
+	for (i = 0; i < IGB_ABS_MAX_TX_QUEUES; i++) {
 		int r_idx = i % adapter->num_tx_queues;
 		adapter->multi_tx_table[i] = &adapter->tx_ring[r_idx];
 	}
@@ -2199,7 +2212,7 @@ static void igb_setup_mrqc(struct igb_adapter *adapter)
 		array_wr32(E1000_RSSRK(0), j, rsskey);
 	}
 
-	num_rx_queues = adapter->num_rx_queues;
+	num_rx_queues = adapter->rss_queues;
 
 	if (adapter->vfs_allocated_count) {
 		/* 82575 and 82576 supports 2 RSS queues for VMDq */
@@ -2255,7 +2268,7 @@ static void igb_setup_mrqc(struct igb_adapter *adapter)
 				E1000_VT_CTL_DEFAULT_POOL_SHIFT;
 			wr32(E1000_VT_CTL, vtctl);
 		}
-		if (adapter->num_rx_queues > 1)
+		if (adapter->rss_queues > 1)
 			mrqc = E1000_MRQC_ENABLE_VMDQ_RSS_2Q;
 		else
 			mrqc = E1000_MRQC_ENABLE_VMDQ;
@@ -2385,7 +2398,7 @@ static inline void igb_set_vmolr(struct igb_adapter *adapter, int vfn)
 	/* clear all bits that might not be set */
 	vmolr &= ~(E1000_VMOLR_BAM | E1000_VMOLR_RSSE);
 
-	if (adapter->num_rx_queues > 1 && vfn == adapter->vfs_allocated_count)
+	if (adapter->rss_queues > 1 && vfn == adapter->vfs_allocated_count)
 		vmolr |= E1000_VMOLR_RSSE; /* enable RSS */
 	/*
 	 * for VMDq only allow the VFs and pool 0 to accept broadcast and
-- 
GitLab


From 128e45eb61b90c0c3094139cab6d00f67ff31377 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Thu, 12 Nov 2009 18:37:38 +0000
Subject: [PATCH 1226/1815] igb: Rework how netdev->stats is handled

This patch does some refactoring work that I felt was needed after reviewing
the changes recently submitted relating to the replacement of net_stats with
netdev->stats.

This patch essentially creates two different collections of stats.  The
first handles the adapter specific states and is stored in gstring_stats,
and the second is for netdev specific stats and is stored in
gstring_net_stats.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb_ethtool.c | 171 +++++++++++++++++-----------------
 drivers/net/igb/igb_main.c    |  40 ++++----
 2 files changed, 108 insertions(+), 103 deletions(-)

diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
index f2b28254f2a..c1cde5b4490 100644
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -37,77 +37,88 @@
 
 #include "igb.h"
 
-enum {NETDEV_STATS, IGB_STATS};
-
 struct igb_stats {
 	char stat_string[ETH_GSTRING_LEN];
-	int type;
 	int sizeof_stat;
 	int stat_offset;
 };
 
-#define IGB_STAT(m)		IGB_STATS, \
-				FIELD_SIZEOF(struct igb_adapter, m), \
-				offsetof(struct igb_adapter, m)
-#define IGB_NETDEV_STAT(m)	NETDEV_STATS, \
-				FIELD_SIZEOF(struct net_device, m), \
-				offsetof(struct net_device, m)
-
+#define IGB_STAT(_name, _stat) { \
+	.stat_string = _name, \
+	.sizeof_stat = FIELD_SIZEOF(struct igb_adapter, _stat), \
+	.stat_offset = offsetof(struct igb_adapter, _stat) \
+}
 static const struct igb_stats igb_gstrings_stats[] = {
-	{ "rx_packets", IGB_STAT(stats.gprc) },
-	{ "tx_packets", IGB_STAT(stats.gptc) },
-	{ "rx_bytes", IGB_STAT(stats.gorc) },
-	{ "tx_bytes", IGB_STAT(stats.gotc) },
-	{ "rx_broadcast", IGB_STAT(stats.bprc) },
-	{ "tx_broadcast", IGB_STAT(stats.bptc) },
-	{ "rx_multicast", IGB_STAT(stats.mprc) },
-	{ "tx_multicast", IGB_STAT(stats.mptc) },
-	{ "rx_errors", IGB_NETDEV_STAT(stats.rx_errors) },
-	{ "tx_errors", IGB_NETDEV_STAT(stats.tx_errors) },
-	{ "tx_dropped", IGB_NETDEV_STAT(stats.tx_dropped) },
-	{ "multicast", IGB_STAT(stats.mprc) },
-	{ "collisions", IGB_STAT(stats.colc) },
-	{ "rx_length_errors", IGB_NETDEV_STAT(stats.rx_length_errors) },
-	{ "rx_over_errors", IGB_NETDEV_STAT(stats.rx_over_errors) },
-	{ "rx_crc_errors", IGB_STAT(stats.crcerrs) },
-	{ "rx_frame_errors", IGB_NETDEV_STAT(stats.rx_frame_errors) },
-	{ "rx_no_buffer_count", IGB_STAT(stats.rnbc) },
-	{ "rx_queue_drop_packet_count", IGB_NETDEV_STAT(stats.rx_fifo_errors) },
-	{ "rx_missed_errors", IGB_STAT(stats.mpc) },
-	{ "tx_aborted_errors", IGB_STAT(stats.ecol) },
-	{ "tx_carrier_errors", IGB_STAT(stats.tncrs) },
-	{ "tx_fifo_errors", IGB_NETDEV_STAT(stats.tx_fifo_errors) },
-	{ "tx_heartbeat_errors", IGB_NETDEV_STAT(stats.tx_heartbeat_errors) },
-	{ "tx_window_errors", IGB_STAT(stats.latecol) },
-	{ "tx_abort_late_coll", IGB_STAT(stats.latecol) },
-	{ "tx_deferred_ok", IGB_STAT(stats.dc) },
-	{ "tx_single_coll_ok", IGB_STAT(stats.scc) },
-	{ "tx_multi_coll_ok", IGB_STAT(stats.mcc) },
-	{ "tx_timeout_count", IGB_STAT(tx_timeout_count) },
-	{ "rx_long_length_errors", IGB_STAT(stats.roc) },
-	{ "rx_short_length_errors", IGB_STAT(stats.ruc) },
-	{ "rx_align_errors", IGB_STAT(stats.algnerrc) },
-	{ "tx_tcp_seg_good", IGB_STAT(stats.tsctc) },
-	{ "tx_tcp_seg_failed", IGB_STAT(stats.tsctfc) },
-	{ "rx_flow_control_xon", IGB_STAT(stats.xonrxc) },
-	{ "rx_flow_control_xoff", IGB_STAT(stats.xoffrxc) },
-	{ "tx_flow_control_xon", IGB_STAT(stats.xontxc) },
-	{ "tx_flow_control_xoff", IGB_STAT(stats.xofftxc) },
-	{ "rx_long_byte_count", IGB_STAT(stats.gorc) },
-	{ "tx_dma_out_of_sync", IGB_STAT(stats.doosync) },
-	{ "tx_smbus", IGB_STAT(stats.mgptc) },
-	{ "rx_smbus", IGB_STAT(stats.mgprc) },
-	{ "dropped_smbus", IGB_STAT(stats.mgpdc) },
+	IGB_STAT("rx_packets", stats.gprc),
+	IGB_STAT("tx_packets", stats.gptc),
+	IGB_STAT("rx_bytes", stats.gorc),
+	IGB_STAT("tx_bytes", stats.gotc),
+	IGB_STAT("rx_broadcast", stats.bprc),
+	IGB_STAT("tx_broadcast", stats.bptc),
+	IGB_STAT("rx_multicast", stats.mprc),
+	IGB_STAT("tx_multicast", stats.mptc),
+	IGB_STAT("multicast", stats.mprc),
+	IGB_STAT("collisions", stats.colc),
+	IGB_STAT("rx_crc_errors", stats.crcerrs),
+	IGB_STAT("rx_no_buffer_count", stats.rnbc),
+	IGB_STAT("rx_missed_errors", stats.mpc),
+	IGB_STAT("tx_aborted_errors", stats.ecol),
+	IGB_STAT("tx_carrier_errors", stats.tncrs),
+	IGB_STAT("tx_window_errors", stats.latecol),
+	IGB_STAT("tx_abort_late_coll", stats.latecol),
+	IGB_STAT("tx_deferred_ok", stats.dc),
+	IGB_STAT("tx_single_coll_ok", stats.scc),
+	IGB_STAT("tx_multi_coll_ok", stats.mcc),
+	IGB_STAT("tx_timeout_count", tx_timeout_count),
+	IGB_STAT("rx_long_length_errors", stats.roc),
+	IGB_STAT("rx_short_length_errors", stats.ruc),
+	IGB_STAT("rx_align_errors", stats.algnerrc),
+	IGB_STAT("tx_tcp_seg_good", stats.tsctc),
+	IGB_STAT("tx_tcp_seg_failed", stats.tsctfc),
+	IGB_STAT("rx_flow_control_xon", stats.xonrxc),
+	IGB_STAT("rx_flow_control_xoff", stats.xoffrxc),
+	IGB_STAT("tx_flow_control_xon", stats.xontxc),
+	IGB_STAT("tx_flow_control_xoff", stats.xofftxc),
+	IGB_STAT("rx_long_byte_count", stats.gorc),
+	IGB_STAT("tx_dma_out_of_sync", stats.doosync),
+	IGB_STAT("tx_smbus", stats.mgptc),
+	IGB_STAT("rx_smbus", stats.mgprc),
+	IGB_STAT("dropped_smbus", stats.mgpdc),
+};
+
+#define IGB_NETDEV_STAT(_net_stat) { \
+	.stat_string = __stringify(_net_stat), \
+	.sizeof_stat = FIELD_SIZEOF(struct net_device_stats, _net_stat), \
+	.stat_offset = offsetof(struct net_device_stats, _net_stat) \
+}
+static const struct igb_stats igb_gstrings_net_stats[] = {
+	IGB_NETDEV_STAT(rx_errors),
+	IGB_NETDEV_STAT(tx_errors),
+	IGB_NETDEV_STAT(tx_dropped),
+	IGB_NETDEV_STAT(rx_length_errors),
+	IGB_NETDEV_STAT(rx_over_errors),
+	IGB_NETDEV_STAT(rx_frame_errors),
+	IGB_NETDEV_STAT(rx_fifo_errors),
+	IGB_NETDEV_STAT(tx_fifo_errors),
+	IGB_NETDEV_STAT(tx_heartbeat_errors)
 };
 
+#define IGB_GLOBAL_STATS_LEN	\
+	(sizeof(igb_gstrings_stats) / sizeof(struct igb_stats))
+#define IGB_NETDEV_STATS_LEN	\
+	(sizeof(igb_gstrings_net_stats) / sizeof(struct igb_stats))
+#define IGB_RX_QUEUE_STATS_LEN \
+	(sizeof(struct igb_rx_queue_stats) / sizeof(u64))
+#define IGB_TX_QUEUE_STATS_LEN \
+	(sizeof(struct igb_tx_queue_stats) / sizeof(u64))
 #define IGB_QUEUE_STATS_LEN \
 	((((struct igb_adapter *)netdev_priv(netdev))->num_rx_queues * \
-	  (sizeof(struct igb_rx_queue_stats) / sizeof(u64))) + \
+	  IGB_RX_QUEUE_STATS_LEN) + \
 	 (((struct igb_adapter *)netdev_priv(netdev))->num_tx_queues * \
-	  (sizeof(struct igb_tx_queue_stats) / sizeof(u64))))
-#define IGB_GLOBAL_STATS_LEN	\
-	(sizeof(igb_gstrings_stats) / sizeof(struct igb_stats))
-#define IGB_STATS_LEN (IGB_GLOBAL_STATS_LEN + IGB_QUEUE_STATS_LEN)
+	  IGB_TX_QUEUE_STATS_LEN))
+#define IGB_STATS_LEN \
+	(IGB_GLOBAL_STATS_LEN + IGB_NETDEV_STATS_LEN + IGB_QUEUE_STATS_LEN)
+
 static const char igb_gstrings_test[][ETH_GSTRING_LEN] = {
 	"Register test  (offline)", "Eeprom test    (offline)",
 	"Interrupt test (offline)", "Loopback test  (offline)",
@@ -1922,43 +1933,32 @@ static void igb_get_ethtool_stats(struct net_device *netdev,
 				  struct ethtool_stats *stats, u64 *data)
 {
 	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct net_device_stats *net_stats = &netdev->stats;
 	u64 *queue_stat;
-	int stat_count_tx = sizeof(struct igb_tx_queue_stats) / sizeof(u64);
-	int stat_count_rx = sizeof(struct igb_rx_queue_stats) / sizeof(u64);
-	int j;
-	int i;
-	char *p = NULL;
+	int i, j, k;
+	char *p;
 
 	igb_update_stats(adapter);
 
 	for (i = 0; i < IGB_GLOBAL_STATS_LEN; i++) {
-		switch (igb_gstrings_stats[i].type) {
-		case NETDEV_STATS:
-			p = (char *) netdev +
-					igb_gstrings_stats[i].stat_offset;
-			break;
-		case IGB_STATS:
-			p = (char *) adapter +
-					igb_gstrings_stats[i].stat_offset;
-			break;
-		}
-
+		p = (char *)adapter + igb_gstrings_stats[i].stat_offset;
 		data[i] = (igb_gstrings_stats[i].sizeof_stat ==
 			sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
 	}
+	for (j = 0; j < IGB_NETDEV_STATS_LEN; j++, i++) {
+		p = (char *)net_stats + igb_gstrings_net_stats[j].stat_offset;
+		data[i] = (igb_gstrings_net_stats[j].sizeof_stat ==
+			sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
+	}
 	for (j = 0; j < adapter->num_tx_queues; j++) {
-		int k;
 		queue_stat = (u64 *)&adapter->tx_ring[j].tx_stats;
-		for (k = 0; k < stat_count_tx; k++)
-			data[i + k] = queue_stat[k];
-		i += k;
+		for (k = 0; k < IGB_TX_QUEUE_STATS_LEN; k++, i++)
+			data[i] = queue_stat[k];
 	}
 	for (j = 0; j < adapter->num_rx_queues; j++) {
-		int k;
 		queue_stat = (u64 *)&adapter->rx_ring[j].rx_stats;
-		for (k = 0; k < stat_count_rx; k++)
-			data[i + k] = queue_stat[k];
-		i += k;
+		for (k = 0; k < IGB_RX_QUEUE_STATS_LEN; k++, i++)
+			data[i] = queue_stat[k];
 	}
 }
 
@@ -1979,6 +1979,11 @@ static void igb_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
 			       ETH_GSTRING_LEN);
 			p += ETH_GSTRING_LEN;
 		}
+		for (i = 0; i < IGB_NETDEV_STATS_LEN; i++) {
+			memcpy(p, igb_gstrings_net_stats[i].stat_string,
+			       ETH_GSTRING_LEN);
+			p += ETH_GSTRING_LEN;
+		}
 		for (i = 0; i < adapter->num_tx_queues; i++) {
 			sprintf(p, "tx_queue_%u_packets", i);
 			p += ETH_GSTRING_LEN;
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 0235220a1d2..4d4ab87aeab 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -3789,7 +3789,7 @@ static int igb_change_mtu(struct net_device *netdev, int new_mtu)
 
 void igb_update_stats(struct igb_adapter *adapter)
 {
-	struct net_device *netdev = adapter->netdev;
+	struct net_device_stats *net_stats = igb_get_stats(adapter->netdev);
 	struct e1000_hw *hw = &adapter->hw;
 	struct pci_dev *pdev = adapter->pdev;
 	u32 rnbc;
@@ -3813,13 +3813,13 @@ void igb_update_stats(struct igb_adapter *adapter)
 	for (i = 0; i < adapter->num_rx_queues; i++) {
 		u32 rqdpc_tmp = rd32(E1000_RQDPC(i)) & 0x0FFF;
 		adapter->rx_ring[i].rx_stats.drops += rqdpc_tmp;
-		netdev->stats.rx_fifo_errors += rqdpc_tmp;
+		net_stats->rx_fifo_errors += rqdpc_tmp;
 		bytes += adapter->rx_ring[i].rx_stats.bytes;
 		packets += adapter->rx_ring[i].rx_stats.packets;
 	}
 
-	netdev->stats.rx_bytes = bytes;
-	netdev->stats.rx_packets = packets;
+	net_stats->rx_bytes = bytes;
+	net_stats->rx_packets = packets;
 
 	bytes = 0;
 	packets = 0;
@@ -3827,8 +3827,8 @@ void igb_update_stats(struct igb_adapter *adapter)
 		bytes += adapter->tx_ring[i].tx_stats.bytes;
 		packets += adapter->tx_ring[i].tx_stats.packets;
 	}
-	netdev->stats.tx_bytes = bytes;
-	netdev->stats.tx_packets = packets;
+	net_stats->tx_bytes = bytes;
+	net_stats->tx_packets = packets;
 
 	/* read stats registers */
 	adapter->stats.crcerrs += rd32(E1000_CRCERRS);
@@ -3865,7 +3865,7 @@ void igb_update_stats(struct igb_adapter *adapter)
 	rd32(E1000_GOTCH); /* clear GOTCL */
 	rnbc = rd32(E1000_RNBC);
 	adapter->stats.rnbc += rnbc;
-	netdev->stats.rx_fifo_errors += rnbc;
+	net_stats->rx_fifo_errors += rnbc;
 	adapter->stats.ruc += rd32(E1000_RUC);
 	adapter->stats.rfc += rd32(E1000_RFC);
 	adapter->stats.rjc += rd32(E1000_RJC);
@@ -3906,29 +3906,29 @@ void igb_update_stats(struct igb_adapter *adapter)
 	adapter->stats.icrxdmtc += rd32(E1000_ICRXDMTC);
 
 	/* Fill out the OS statistics structure */
-	netdev->stats.multicast = adapter->stats.mprc;
-	netdev->stats.collisions = adapter->stats.colc;
+	net_stats->multicast = adapter->stats.mprc;
+	net_stats->collisions = adapter->stats.colc;
 
 	/* Rx Errors */
 
 	/* RLEC on some newer hardware can be incorrect so build
 	 * our own version based on RUC and ROC */
-	netdev->stats.rx_errors = adapter->stats.rxerrc +
+	net_stats->rx_errors = adapter->stats.rxerrc +
 		adapter->stats.crcerrs + adapter->stats.algnerrc +
 		adapter->stats.ruc + adapter->stats.roc +
 		adapter->stats.cexterr;
-	netdev->stats.rx_length_errors = adapter->stats.ruc +
-					      adapter->stats.roc;
-	netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
-	netdev->stats.rx_frame_errors = adapter->stats.algnerrc;
-	netdev->stats.rx_missed_errors = adapter->stats.mpc;
+	net_stats->rx_length_errors = adapter->stats.ruc +
+				      adapter->stats.roc;
+	net_stats->rx_crc_errors = adapter->stats.crcerrs;
+	net_stats->rx_frame_errors = adapter->stats.algnerrc;
+	net_stats->rx_missed_errors = adapter->stats.mpc;
 
 	/* Tx Errors */
-	netdev->stats.tx_errors = adapter->stats.ecol +
-				       adapter->stats.latecol;
-	netdev->stats.tx_aborted_errors = adapter->stats.ecol;
-	netdev->stats.tx_window_errors = adapter->stats.latecol;
-	netdev->stats.tx_carrier_errors = adapter->stats.tncrs;
+	net_stats->tx_errors = adapter->stats.ecol +
+			       adapter->stats.latecol;
+	net_stats->tx_aborted_errors = adapter->stats.ecol;
+	net_stats->tx_window_errors = adapter->stats.latecol;
+	net_stats->tx_carrier_errors = adapter->stats.tncrs;
 
 	/* Tx Dropped needs to be maintained elsewhere */
 
-- 
GitLab


From 971d1d3a7e9f03af870909fddfc3b2fc08e4f5b1 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Thu, 12 Nov 2009 18:37:56 +0000
Subject: [PATCH 1227/1815] igb: removed unused tx/rx total bytes/packets from
 adapter struct

This patch removes unused variables total_tx_bytes, total_tx_packets,
total_rx_bytes, and total_rx_packets from the adapter struct.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb.h | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index 2bb95494377..63abd1c0d75 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -249,10 +249,6 @@ struct igb_adapter {
 	u16 link_speed;
 	u16 link_duplex;
 
-	unsigned int total_tx_bytes;
-	unsigned int total_tx_packets;
-	unsigned int total_rx_bytes;
-	unsigned int total_rx_packets;
 	/* Interrupt Throttle Rate */
 	u32 rx_itr_setting;
 	u32 tx_itr_setting;
-- 
GitLab


From dbabb065802a46d64b8869ba97674bfa90b55d83 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Thu, 12 Nov 2009 18:38:16 +0000
Subject: [PATCH 1228/1815] igb: check for packets on all tx rings when link is
 down

We were previously only checking the first tx ring to see if it had any
packets in it when the link when down.  However we should be checking all
of the rings so this patch makes it so that all of the rings are now being
checked.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb_main.c | 23 ++++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 4d4ab87aeab..9911b3aaed3 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -2943,7 +2943,6 @@ static void igb_watchdog_task(struct work_struct *work)
                                                    watchdog_task);
 	struct e1000_hw *hw = &adapter->hw;
 	struct net_device *netdev = adapter->netdev;
-	struct igb_ring *tx_ring = adapter->tx_ring;
 	u32 link;
 	int i;
 
@@ -3013,22 +3012,24 @@ static void igb_watchdog_task(struct work_struct *work)
 	igb_update_stats(adapter);
 	igb_update_adaptive(hw);
 
-	if (!netif_carrier_ok(netdev)) {
-		if (igb_desc_unused(tx_ring) + 1 < tx_ring->count) {
+	for (i = 0; i < adapter->num_tx_queues; i++) {
+		struct igb_ring *tx_ring = &adapter->tx_ring[i];
+		if (!netif_carrier_ok(netdev)) {
 			/* We've lost link, so the controller stops DMA,
 			 * but we've got queued Tx work that's never going
 			 * to get done, so reset controller to flush Tx.
 			 * (Do the reset outside of interrupt context). */
-			adapter->tx_timeout_count++;
-			schedule_work(&adapter->reset_task);
-			/* return immediately since reset is imminent */
-			return;
+			if (igb_desc_unused(tx_ring) + 1 < tx_ring->count) {
+				adapter->tx_timeout_count++;
+				schedule_work(&adapter->reset_task);
+				/* return immediately since reset is imminent */
+				return;
+			}
 		}
-	}
 
-	/* Force detection of hung controller every watchdog period */
-	for (i = 0; i < adapter->num_tx_queues; i++)
-		adapter->tx_ring[i].detect_tx_hung = true;
+		/* Force detection of hung controller every watchdog period */
+		tx_ring->detect_tx_hung = true;
+	}
 
 	/* Cause software interrupt to ensure rx ring is cleaned */
 	if (adapter->msix_entries) {
-- 
GitLab


From d1eff35061b9346cb9bef2b79d9d99c8c096df13 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Thu, 12 Nov 2009 18:38:35 +0000
Subject: [PATCH 1229/1815] igb: only recycle page if it is on our numa node

This patch makes it so that we only recycle pages when they are from the
local NUMA node.  Non-local pages are freed and replaced with locally
allocated pages.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb_main.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 9911b3aaed3..0cab5e2b089 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -4952,6 +4952,7 @@ static bool igb_clean_rx_irq_adv(struct igb_q_vector *q_vector,
 	struct sk_buff *skb;
 	bool cleaned = false;
 	int cleaned_count = 0;
+	int current_node = numa_node_id();
 	unsigned int total_bytes = 0, total_packets = 0;
 	unsigned int i;
 	u32 staterr;
@@ -5006,7 +5007,8 @@ static bool igb_clean_rx_irq_adv(struct igb_q_vector *q_vector,
 						buffer_info->page_offset,
 						length);
 
-			if (page_count(buffer_info->page) != 1)
+			if ((page_count(buffer_info->page) != 1) ||
+			    (page_to_nid(buffer_info->page) != current_node))
 				buffer_info->page = NULL;
 			else
 				get_page(buffer_info->page);
-- 
GitLab


From 8a0717f30ce93a686d325122d8b0c6b73b32cfb3 Mon Sep 17 00:00:00 2001
From: "Nelson, Shannon" <shannon.nelson@intel.com>
Date: Thu, 12 Nov 2009 18:47:11 +0000
Subject: [PATCH 1230/1815] ixgbe: Flush the LSC mask change to prevent
 repeated interrupts

Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ixgbe/ixgbe_main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index afd49e04a56..04892863ef0 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -1204,6 +1204,7 @@ static void ixgbe_check_lsc(struct ixgbe_adapter *adapter)
 	adapter->link_check_timeout = jiffies;
 	if (!test_bit(__IXGBE_DOWN, &adapter->state)) {
 		IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EIMC_LSC);
+		IXGBE_WRITE_FLUSH(hw);
 		schedule_work(&adapter->watchdog_task);
 	}
 }
-- 
GitLab


From 342bde1b70c79bfc8509b017b3987f3c7541ff8e Mon Sep 17 00:00:00 2001
From: PJ Waskiewicz <peter.p.waskiewicz.jr@intel.com>
Date: Thu, 12 Nov 2009 23:50:43 +0000
Subject: [PATCH 1231/1815] ixgbe: Make queue pairs on single MSI-X interrupts

This patch pairs similar-numbered Rx and Tx queues onto a single
MSI-X vector.  For example, Tx queue 0 and Rx queue 0's interrupt
with be ethX-RxTx-0.  This allows for more efficient cleanup, since
fewer interrupts will be firing during device operation.  It also
helps with a cleaner CPU affinity for IRQ affinity.

Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ixgbe/ixgbe_main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 04892863ef0..884152d1085 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -3626,10 +3626,10 @@ static int ixgbe_set_interrupt_capability(struct ixgbe_adapter *adapter)
 	 * It's easy to be greedy for MSI-X vectors, but it really
 	 * doesn't do us much good if we have a lot more vectors
 	 * than CPU's.  So let's be conservative and only ask for
-	 * (roughly) twice the number of vectors as there are CPU's.
+	 * (roughly) the same number of vectors as there are CPU's.
 	 */
 	v_budget = min(adapter->num_rx_queues + adapter->num_tx_queues,
-	               (int)(num_online_cpus() * 2)) + NON_Q_VECTORS;
+	               (int)num_online_cpus()) + NON_Q_VECTORS;
 
 	/*
 	 * At the same time, hardware can only support a maximum of
-- 
GitLab


From eec4df9885f7822cdeca82577a25cac4598fa7cf Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 12 Nov 2009 07:44:25 +0000
Subject: [PATCH 1232/1815] ipv4: speedup inet_dump_ifaddr()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Stephen Hemminger a écrit :
> On Thu, 12 Nov 2009 15:11:36 +0100
> Eric Dumazet <eric.dumazet@gmail.com> wrote:
>
>> When handling large number of netdevices, inet_dump_ifaddr()
>> is very slow because it has O(N^2) complexity.
>>
>> Instead of scanning one single list, we can use the NETDEV_HASHENTRIES
>> sub lists of the dev_index hash table, and RCU lookups.
>>
>> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
>
> You might be able to make RCU critical section smaller by moving
> it into loop.
>

Indeed. But we dump at most one skb (<= 8192 bytes ?), so rcu_read_lock
holding time is small, unless we meet many netdevices without
addresses. I wonder if its really common...

Thanks

[PATCH net-next-2.6] ipv4: speedup inet_dump_ifaddr()

When handling large number of netdevices, inet_dump_ifaddr()
is very slow because it has O(N2) complexity.

Instead of scanning one single list, we can use the NETDEV_HASHENTRIES
sub lists of the dev_index hash table, and RCU lookups.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/devinet.c | 61 +++++++++++++++++++++++++++++-----------------
 1 file changed, 38 insertions(+), 23 deletions(-)

diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index c2045f9615d..7620382058a 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1174,39 +1174,54 @@ nla_put_failure:
 static int inet_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb)
 {
 	struct net *net = sock_net(skb->sk);
-	int idx, ip_idx;
+	int h, s_h;
+	int idx, s_idx;
+	int ip_idx, s_ip_idx;
 	struct net_device *dev;
 	struct in_device *in_dev;
 	struct in_ifaddr *ifa;
-	int s_ip_idx, s_idx = cb->args[0];
+	struct hlist_head *head;
+	struct hlist_node *node;
 
-	s_ip_idx = ip_idx = cb->args[1];
-	idx = 0;
-	for_each_netdev(net, dev) {
-		if (idx < s_idx)
-			goto cont;
-		if (idx > s_idx)
-			s_ip_idx = 0;
-		in_dev = __in_dev_get_rtnl(dev);
-		if (!in_dev)
-			goto cont;
+	s_h = cb->args[0];
+	s_idx = idx = cb->args[1];
+	s_ip_idx = ip_idx = cb->args[2];
 
-		for (ifa = in_dev->ifa_list, ip_idx = 0; ifa;
-		     ifa = ifa->ifa_next, ip_idx++) {
-			if (ip_idx < s_ip_idx)
-				continue;
-			if (inet_fill_ifaddr(skb, ifa, NETLINK_CB(cb->skb).pid,
+	for (h = s_h; h < NETDEV_HASHENTRIES; h++, s_idx = 0) {
+		idx = 0;
+		head = &net->dev_index_head[h];
+		rcu_read_lock();
+		hlist_for_each_entry_rcu(dev, node, head, index_hlist) {
+			if (idx < s_idx)
+				goto cont;
+			if (idx > s_idx)
+				s_ip_idx = 0;
+			in_dev = __in_dev_get_rcu(dev);
+			if (!in_dev)
+				goto cont;
+
+			for (ifa = in_dev->ifa_list, ip_idx = 0; ifa;
+			     ifa = ifa->ifa_next, ip_idx++) {
+				if (ip_idx < s_ip_idx)
+					continue;
+				if (inet_fill_ifaddr(skb, ifa,
+					     NETLINK_CB(cb->skb).pid,
 					     cb->nlh->nlmsg_seq,
-					     RTM_NEWADDR, NLM_F_MULTI) <= 0)
-				goto done;
-		}
+					     RTM_NEWADDR, NLM_F_MULTI) <= 0) {
+					rcu_read_unlock();
+					goto done;
+				}
+			}
 cont:
-		idx++;
+			idx++;
+		}
+		rcu_read_unlock();
 	}
 
 done:
-	cb->args[0] = idx;
-	cb->args[1] = ip_idx;
+	cb->args[0] = h;
+	cb->args[1] = idx;
+	cb->args[2] = ip_idx;
 
 	return skb->len;
 }
-- 
GitLab


From 5256f2ef3a40d784b8369035bff3f4dc637a9801 Mon Sep 17 00:00:00 2001
From: Lucian Adrian Grijincu <lgrijincu@ixiacom.com>
Date: Thu, 12 Nov 2009 05:07:26 +0000
Subject: [PATCH 1233/1815] inet: fix inet_bind_bucket_for_each

The first "node" is supposed to be the cursor used in the for_each.

The second "node" is ment literally and should not be macro expanded:
it's the name of the hlist_node field from the inet_bind_bucket.

This currently works because when inet_bind_bucket_for_each is called
it's argument is still "node".

Signed-off-by: Lucian Adrian Grijincu <lgrijincu@ixiacom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/inet_hashtables.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h
index 5b698b3b463..41cbddd25b7 100644
--- a/include/net/inet_hashtables.h
+++ b/include/net/inet_hashtables.h
@@ -92,8 +92,8 @@ static inline struct net *ib_net(struct inet_bind_bucket *ib)
 	return read_pnet(&ib->ib_net);
 }
 
-#define inet_bind_bucket_for_each(tb, node, head) \
-	hlist_for_each_entry(tb, node, head, node)
+#define inet_bind_bucket_for_each(tb, pos, head) \
+	hlist_for_each_entry(tb, pos, head, node)
 
 struct inet_bind_hashbucket {
 	spinlock_t		lock;
-- 
GitLab


From 234b27c3fd58fc0e15c04dd0fbf4337fac9c2a06 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 12 Nov 2009 04:11:50 +0000
Subject: [PATCH 1234/1815] ipv6: speedup inet6_dump_addr()

When handling large number of netdevices, inet6_dump_addr()
is very slow because it has O(N^2) complexity.

Instead of scanning one single list, we can use the NETDEV_HASHENTRIES
sub lists of the dev_index hash table, and RCU lookups.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/addrconf.c | 171 +++++++++++++++++++++++++-------------------
 1 file changed, 97 insertions(+), 74 deletions(-)

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 9ff8ab9a154..522bdc77206 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3481,91 +3481,114 @@ enum addr_type_t
 	ANYCAST_ADDR,
 };
 
+/* called with rcu_read_lock() */
+static int in6_dump_addrs(struct inet6_dev *idev, struct sk_buff *skb,
+			  struct netlink_callback *cb, enum addr_type_t type,
+			  int s_ip_idx, int *p_ip_idx)
+{
+	struct inet6_ifaddr *ifa;
+	struct ifmcaddr6 *ifmca;
+	struct ifacaddr6 *ifaca;
+	int err = 1;
+	int ip_idx = *p_ip_idx;
+
+	read_lock_bh(&idev->lock);
+	switch (type) {
+	case UNICAST_ADDR:
+		/* unicast address incl. temp addr */
+		for (ifa = idev->addr_list; ifa;
+		     ifa = ifa->if_next, ip_idx++) {
+			if (ip_idx < s_ip_idx)
+				continue;
+			err = inet6_fill_ifaddr(skb, ifa,
+						NETLINK_CB(cb->skb).pid,
+						cb->nlh->nlmsg_seq,
+						RTM_NEWADDR,
+						NLM_F_MULTI);
+			if (err <= 0)
+				break;
+		}
+		break;
+	case MULTICAST_ADDR:
+		/* multicast address */
+		for (ifmca = idev->mc_list; ifmca;
+		     ifmca = ifmca->next, ip_idx++) {
+			if (ip_idx < s_ip_idx)
+				continue;
+			err = inet6_fill_ifmcaddr(skb, ifmca,
+						  NETLINK_CB(cb->skb).pid,
+						  cb->nlh->nlmsg_seq,
+						  RTM_GETMULTICAST,
+						  NLM_F_MULTI);
+			if (err <= 0)
+				break;
+		}
+		break;
+	case ANYCAST_ADDR:
+		/* anycast address */
+		for (ifaca = idev->ac_list; ifaca;
+		     ifaca = ifaca->aca_next, ip_idx++) {
+			if (ip_idx < s_ip_idx)
+				continue;
+			err = inet6_fill_ifacaddr(skb, ifaca,
+						  NETLINK_CB(cb->skb).pid,
+						  cb->nlh->nlmsg_seq,
+						  RTM_GETANYCAST,
+						  NLM_F_MULTI);
+			if (err <= 0)
+				break;
+		}
+		break;
+	default:
+		break;
+	}
+	read_unlock_bh(&idev->lock);
+	*p_ip_idx = ip_idx;
+	return err;
+}
+
 static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,
 			   enum addr_type_t type)
 {
+	struct net *net = sock_net(skb->sk);
+	int h, s_h;
 	int idx, ip_idx;
 	int s_idx, s_ip_idx;
-	int err = 1;
 	struct net_device *dev;
-	struct inet6_dev *idev = NULL;
-	struct inet6_ifaddr *ifa;
-	struct ifmcaddr6 *ifmca;
-	struct ifacaddr6 *ifaca;
-	struct net *net = sock_net(skb->sk);
+	struct inet6_dev *idev;
+	struct hlist_head *head;
+	struct hlist_node *node;
 
-	s_idx = cb->args[0];
-	s_ip_idx = ip_idx = cb->args[1];
+	s_h = cb->args[0];
+	s_idx = idx = cb->args[1];
+	s_ip_idx = ip_idx = cb->args[2];
 
-	idx = 0;
-	for_each_netdev(net, dev) {
-		if (idx < s_idx)
-			goto cont;
-		if (idx > s_idx)
-			s_ip_idx = 0;
-		ip_idx = 0;
-		if ((idev = in6_dev_get(dev)) == NULL)
-			goto cont;
-		read_lock_bh(&idev->lock);
-		switch (type) {
-		case UNICAST_ADDR:
-			/* unicast address incl. temp addr */
-			for (ifa = idev->addr_list; ifa;
-			     ifa = ifa->if_next, ip_idx++) {
-				if (ip_idx < s_ip_idx)
-					continue;
-				err = inet6_fill_ifaddr(skb, ifa,
-							NETLINK_CB(cb->skb).pid,
-							cb->nlh->nlmsg_seq,
-							RTM_NEWADDR,
-							NLM_F_MULTI);
-				if (err <= 0)
-					break;
-			}
-			break;
-		case MULTICAST_ADDR:
-			/* multicast address */
-			for (ifmca = idev->mc_list; ifmca;
-			     ifmca = ifmca->next, ip_idx++) {
-				if (ip_idx < s_ip_idx)
-					continue;
-				err = inet6_fill_ifmcaddr(skb, ifmca,
-							  NETLINK_CB(cb->skb).pid,
-							  cb->nlh->nlmsg_seq,
-							  RTM_GETMULTICAST,
-							  NLM_F_MULTI);
-				if (err <= 0)
-					break;
-			}
-			break;
-		case ANYCAST_ADDR:
-			/* anycast address */
-			for (ifaca = idev->ac_list; ifaca;
-			     ifaca = ifaca->aca_next, ip_idx++) {
-				if (ip_idx < s_ip_idx)
-					continue;
-				err = inet6_fill_ifacaddr(skb, ifaca,
-							  NETLINK_CB(cb->skb).pid,
-							  cb->nlh->nlmsg_seq,
-							  RTM_GETANYCAST,
-							  NLM_F_MULTI);
-				if (err <= 0)
-					break;
-			}
-			break;
-		default:
-			break;
-		}
-		read_unlock_bh(&idev->lock);
-		in6_dev_put(idev);
+	rcu_read_lock();
+	for (h = s_h; h < NETDEV_HASHENTRIES; h++, s_idx = 0) {
+		idx = 0;
+		head = &net->dev_index_head[h];
+		hlist_for_each_entry_rcu(dev, node, head, index_hlist) {
+			if (idx < s_idx)
+				goto cont;
+			if (idx > s_idx)
+				s_ip_idx = 0;
+			ip_idx = 0;
+			if ((idev = __in6_dev_get(dev)) == NULL)
+				goto cont;
 
-		if (err <= 0)
-			break;
+			if (in6_dump_addrs(idev, skb, cb, type,
+					   s_ip_idx, &ip_idx) <= 0)
+				goto done;
 cont:
-		idx++;
+			idx++;
+		}
 	}
-	cb->args[0] = idx;
-	cb->args[1] = ip_idx;
+done:
+	rcu_read_unlock();
+	cb->args[0] = h;
+	cb->args[1] = idx;
+	cb->args[2] = ip_idx;
+
 	return skb->len;
 }
 
-- 
GitLab


From 2c1409a0a2b88585ec0c03f1de0aafa178c56313 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 12 Nov 2009 09:33:09 +0000
Subject: [PATCH 1235/1815] inetpeer: Optimize inet_getid()

While investigating for network latencies, I found inet_getid() was a
contention point for some workloads, as inet_peer_idlock is shared
by all inet_getid() users regardless of peers.

One way to fix this is to make ip_id_count an atomic_t instead
of __u16, and use atomic_add_return().

In order to keep sizeof(struct inet_peer) = 64 on 64bit arches
tcp_ts_stamp is also converted to __u32 instead of "unsigned long".

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/inetpeer.h | 16 +++++-----------
 net/ipv4/inetpeer.c    |  5 +----
 net/ipv4/route.c       |  2 +-
 net/ipv4/tcp_ipv4.c    | 16 ++++++++--------
 4 files changed, 15 insertions(+), 24 deletions(-)

diff --git a/include/net/inetpeer.h b/include/net/inetpeer.h
index 35ad7b93046..87b1df0d4d8 100644
--- a/include/net/inetpeer.h
+++ b/include/net/inetpeer.h
@@ -17,15 +17,15 @@ struct inet_peer {
 	/* group together avl_left,avl_right,v4daddr to speedup lookups */
 	struct inet_peer	*avl_left, *avl_right;
 	__be32			v4daddr;	/* peer's address */
-	__u16			avl_height;
-	__u16			ip_id_count;	/* IP ID for the next packet */
+	__u32			avl_height;
 	struct list_head	unused;
 	__u32			dtime;		/* the time of last use of not
 						 * referenced entries */
 	atomic_t		refcnt;
 	atomic_t		rid;		/* Frag reception counter */
+	atomic_t		ip_id_count;	/* IP ID for the next packet */
 	__u32			tcp_ts;
-	unsigned long		tcp_ts_stamp;
+	__u32			tcp_ts_stamp;
 };
 
 void			inet_initpeers(void) __init;
@@ -36,17 +36,11 @@ struct inet_peer	*inet_getpeer(__be32 daddr, int create);
 /* can be called from BH context or outside */
 extern void inet_putpeer(struct inet_peer *p);
 
-extern spinlock_t inet_peer_idlock;
 /* can be called with or without local BH being disabled */
 static inline __u16	inet_getid(struct inet_peer *p, int more)
 {
-	__u16 id;
-
-	spin_lock_bh(&inet_peer_idlock);
-	id = p->ip_id_count;
-	p->ip_id_count += 1 + more;
-	spin_unlock_bh(&inet_peer_idlock);
-	return id;
+	more++;
+	return atomic_add_return(more, &p->ip_id_count) - more;
 }
 
 #endif /* _NET_INETPEER_H */
diff --git a/net/ipv4/inetpeer.c b/net/ipv4/inetpeer.c
index b1fbe18feb5..6bcfe52a9c8 100644
--- a/net/ipv4/inetpeer.c
+++ b/net/ipv4/inetpeer.c
@@ -67,9 +67,6 @@
  *		ip_id_count: idlock
  */
 
-/* Exported for inet_getid inline function.  */
-DEFINE_SPINLOCK(inet_peer_idlock);
-
 static struct kmem_cache *peer_cachep __read_mostly;
 
 #define node_height(x) x->avl_height
@@ -390,7 +387,7 @@ struct inet_peer *inet_getpeer(__be32 daddr, int create)
 	n->v4daddr = daddr;
 	atomic_set(&n->refcnt, 1);
 	atomic_set(&n->rid, 0);
-	n->ip_id_count = secure_ip_id(daddr);
+	atomic_set(&n->ip_id_count, secure_ip_id(daddr));
 	n->tcp_ts_stamp = 0;
 
 	write_lock_bh(&peer_pool_lock);
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index ff258b57680..4284ceef794 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2852,7 +2852,7 @@ static int rt_fill_info(struct net *net,
 	error = rt->u.dst.error;
 	expires = rt->u.dst.expires ? rt->u.dst.expires - jiffies : 0;
 	if (rt->peer) {
-		id = rt->peer->ip_id_count;
+		id = atomic_read(&rt->peer->ip_id_count) & 0xffff;
 		if (rt->peer->tcp_ts_stamp) {
 			ts = rt->peer->tcp_ts;
 			tsage = get_seconds() - rt->peer->tcp_ts_stamp;
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index cf7f2086e6e..df18ce04f41 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -204,7 +204,7 @@ int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 		 * when trying new connection.
 		 */
 		if (peer != NULL &&
-		    peer->tcp_ts_stamp + TCP_PAWS_MSL >= get_seconds()) {
+		    (u32)get_seconds() - peer->tcp_ts_stamp <= TCP_PAWS_MSL) {
 			tp->rx_opt.ts_recent_stamp = peer->tcp_ts_stamp;
 			tp->rx_opt.ts_recent = peer->tcp_ts;
 		}
@@ -1308,7 +1308,7 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
 		    tcp_death_row.sysctl_tw_recycle &&
 		    (peer = rt_get_peer((struct rtable *)dst)) != NULL &&
 		    peer->v4daddr == saddr) {
-			if (get_seconds() < peer->tcp_ts_stamp + TCP_PAWS_MSL &&
+			if ((u32)get_seconds() - peer->tcp_ts_stamp < TCP_PAWS_MSL &&
 			    (s32)(peer->tcp_ts - req->ts_recent) >
 							TCP_PAWS_WINDOW) {
 				NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_PAWSPASSIVEREJECTED);
@@ -1727,9 +1727,9 @@ int tcp_v4_remember_stamp(struct sock *sk)
 
 	if (peer) {
 		if ((s32)(peer->tcp_ts - tp->rx_opt.ts_recent) <= 0 ||
-		    (peer->tcp_ts_stamp + TCP_PAWS_MSL < get_seconds() &&
-		     peer->tcp_ts_stamp <= tp->rx_opt.ts_recent_stamp)) {
-			peer->tcp_ts_stamp = tp->rx_opt.ts_recent_stamp;
+		    ((u32)get_seconds() - peer->tcp_ts_stamp > TCP_PAWS_MSL &&
+		     peer->tcp_ts_stamp <= (u32)tp->rx_opt.ts_recent_stamp)) {
+			peer->tcp_ts_stamp = (u32)tp->rx_opt.ts_recent_stamp;
 			peer->tcp_ts = tp->rx_opt.ts_recent;
 		}
 		if (release_it)
@@ -1748,9 +1748,9 @@ int tcp_v4_tw_remember_stamp(struct inet_timewait_sock *tw)
 		const struct tcp_timewait_sock *tcptw = tcp_twsk((struct sock *)tw);
 
 		if ((s32)(peer->tcp_ts - tcptw->tw_ts_recent) <= 0 ||
-		    (peer->tcp_ts_stamp + TCP_PAWS_MSL < get_seconds() &&
-		     peer->tcp_ts_stamp <= tcptw->tw_ts_recent_stamp)) {
-			peer->tcp_ts_stamp = tcptw->tw_ts_recent_stamp;
+		    ((u32)get_seconds() - peer->tcp_ts_stamp > TCP_PAWS_MSL &&
+		     peer->tcp_ts_stamp <= (u32)tcptw->tw_ts_recent_stamp)) {
+			peer->tcp_ts_stamp = (u32)tcptw->tw_ts_recent_stamp;
 			peer->tcp_ts	   = tcptw->tw_ts_recent;
 		}
 		inet_putpeer(peer);
-- 
GitLab


From b7c2aecc0747f5c86a1959bce6a7ce8170a556b0 Mon Sep 17 00:00:00 2001
From: Ursula Braun <ursula.braun@de.ibm.com>
Date: Thu, 12 Nov 2009 21:46:27 +0000
Subject: [PATCH 1236/1815] iucv: add work_queue cleanup for suspend

If iucv_work_queue is not empty during kernel freeze, a kernel panic
occurs. This suspend-patch adds flushing of the work queue for
pending connection requests and severing of remaining pending
connections.

Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/iucv/iucv.c | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c
index 3973d0e61e5..3b1f5f5f8de 100644
--- a/net/iucv/iucv.c
+++ b/net/iucv/iucv.c
@@ -1768,7 +1768,6 @@ static void iucv_tasklet_fn(unsigned long ignored)
  */
 static void iucv_work_fn(struct work_struct *work)
 {
-	typedef void iucv_irq_fn(struct iucv_irq_data *);
 	LIST_HEAD(work_queue);
 	struct iucv_irq_list *p, *n;
 
@@ -1878,14 +1877,25 @@ int iucv_path_table_empty(void)
 static int iucv_pm_freeze(struct device *dev)
 {
 	int cpu;
+	struct iucv_irq_list *p, *n;
 	int rc = 0;
 
 #ifdef CONFIG_PM_DEBUG
 	printk(KERN_WARNING "iucv_pm_freeze\n");
 #endif
+	if (iucv_pm_state != IUCV_PM_FREEZING) {
+		for_each_cpu_mask_nr(cpu, iucv_irq_cpumask)
+			smp_call_function_single(cpu, iucv_block_cpu_almost,
+						 NULL, 1);
+		cancel_work_sync(&iucv_work);
+		list_for_each_entry_safe(p, n, &iucv_work_queue, list) {
+			list_del_init(&p->list);
+			iucv_sever_pathid(p->data.ippathid,
+					  iucv_error_no_listener);
+			kfree(p);
+		}
+	}
 	iucv_pm_state = IUCV_PM_FREEZING;
-	for_each_cpu_mask_nr(cpu, iucv_irq_cpumask)
-		smp_call_function_single(cpu, iucv_block_cpu_almost, NULL, 1);
 	if (dev->driver && dev->driver->pm && dev->driver->pm->freeze)
 		rc = dev->driver->pm->freeze(dev);
 	if (iucv_path_table_empty())
-- 
GitLab


From 1e1815be87e45ce512f998ab35e9554c25031f4d Mon Sep 17 00:00:00 2001
From: Frank Blaschka <frank.blaschka@de.ibm.com>
Date: Thu, 12 Nov 2009 21:46:28 +0000
Subject: [PATCH 1237/1815] ctcm: suspend has to wait for outstanding I/O

State transition to DEV_STATE_STOPPED indicates all outstanding I/O has
finished. Add wait queue to wait for this state.

Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/s390/net/ctcm_main.c | 5 +++++
 drivers/s390/net/fsm.c       | 1 +
 drivers/s390/net/fsm.h       | 2 ++
 3 files changed, 8 insertions(+)

diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c
index db054ed1a8c..ecac3b2e32d 100644
--- a/drivers/s390/net/ctcm_main.c
+++ b/drivers/s390/net/ctcm_main.c
@@ -1720,6 +1720,11 @@ static int ctcm_pm_suspend(struct ccwgroup_device *gdev)
 		return 0;
 	netif_device_detach(priv->channel[READ]->netdev);
 	ctcm_close(priv->channel[READ]->netdev);
+	if (!wait_event_timeout(priv->fsm->wait_q,
+	    fsm_getstate(priv->fsm) == DEV_STATE_STOPPED, CTCM_TIME_5_SEC)) {
+		netif_device_attach(priv->channel[READ]->netdev);
+		return -EBUSY;
+	}
 	ccw_device_set_offline(gdev->cdev[1]);
 	ccw_device_set_offline(gdev->cdev[0]);
 	return 0;
diff --git a/drivers/s390/net/fsm.c b/drivers/s390/net/fsm.c
index 2c1db8036b7..cae48cbc5e9 100644
--- a/drivers/s390/net/fsm.c
+++ b/drivers/s390/net/fsm.c
@@ -27,6 +27,7 @@ init_fsm(char *name, const char **state_names, const char **event_names, int nr_
 		return NULL;
 	}
 	strlcpy(this->name, name, sizeof(this->name));
+	init_waitqueue_head(&this->wait_q);
 
 	f = kzalloc(sizeof(fsm), order);
 	if (f == NULL) {
diff --git a/drivers/s390/net/fsm.h b/drivers/s390/net/fsm.h
index af679c10f1b..1e8b235d95b 100644
--- a/drivers/s390/net/fsm.h
+++ b/drivers/s390/net/fsm.h
@@ -66,6 +66,7 @@ typedef struct fsm_instance_t {
 	char name[16];
 	void *userdata;
 	int userint;
+	wait_queue_head_t wait_q;
 #if FSM_DEBUG_HISTORY
 	int         history_index;
 	int         history_size;
@@ -197,6 +198,7 @@ fsm_newstate(fsm_instance *fi, int newstate)
 	printk(KERN_DEBUG "fsm(%s): New state %s\n", fi->name,
 		fi->f->state_names[newstate]);
 #endif
+	wake_up(&fi->wait_q);
 }
 
 /**
-- 
GitLab


From 0ca8cc6fe7e1acd42a8a3741473ad7540f13893a Mon Sep 17 00:00:00 2001
From: Ursula Braun <ursula.braun@de.ibm.com>
Date: Thu, 12 Nov 2009 21:46:29 +0000
Subject: [PATCH 1238/1815] s390: remove cu3088 layer for lcs and ctcm

The cu3088-driver used as common base for lcs- and ctcm-devices
makes it difficult to assign the appropriate driver to an lcs-device
or a ctcm-device. This patch eliminates the cu3088-driver and thus
the root device "cu3088". Path /sys/devices/cu3088 is replaced with
the pathes /sys/devices/lcs and /sys/devices/ctcm.

Patch is based on a proposal from Cornelia Huck.

Cc: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/s390/net/Makefile     |   6 +-
 drivers/s390/net/claw.c       |  82 ++++++++++++++++---
 drivers/s390/net/claw.h       |  12 +++
 drivers/s390/net/ctcm_fsms.c  |   1 -
 drivers/s390/net/ctcm_fsms.h  |   1 -
 drivers/s390/net/ctcm_main.c  | 104 +++++++++++++++++++-----
 drivers/s390/net/ctcm_main.h  |  20 ++++-
 drivers/s390/net/ctcm_mpc.c   |   1 -
 drivers/s390/net/ctcm_sysfs.c |  11 ++-
 drivers/s390/net/cu3088.c     | 148 ----------------------------------
 drivers/s390/net/cu3088.h     |  41 ----------
 drivers/s390/net/lcs.c        | 101 +++++++++++++++++++----
 drivers/s390/net/lcs.h        |  18 +++++
 13 files changed, 304 insertions(+), 242 deletions(-)
 delete mode 100644 drivers/s390/net/cu3088.c
 delete mode 100644 drivers/s390/net/cu3088.h

diff --git a/drivers/s390/net/Makefile b/drivers/s390/net/Makefile
index 96eddb3b1d0..6cab5a62f99 100644
--- a/drivers/s390/net/Makefile
+++ b/drivers/s390/net/Makefile
@@ -3,11 +3,11 @@
 #
 
 ctcm-y += ctcm_main.o ctcm_fsms.o ctcm_mpc.o ctcm_sysfs.o ctcm_dbug.o
-obj-$(CONFIG_CTCM) += ctcm.o fsm.o cu3088.o
+obj-$(CONFIG_CTCM) += ctcm.o fsm.o
 obj-$(CONFIG_NETIUCV) += netiucv.o fsm.o
 obj-$(CONFIG_SMSGIUCV) += smsgiucv.o
-obj-$(CONFIG_LCS) += lcs.o cu3088.o
-obj-$(CONFIG_CLAW) += claw.o cu3088.o
+obj-$(CONFIG_LCS) += lcs.o
+obj-$(CONFIG_CLAW) += claw.o
 qeth-y += qeth_core_sys.o qeth_core_main.o qeth_core_mpc.o
 obj-$(CONFIG_QETH) += qeth.o
 qeth_l2-y += qeth_l2_main.o
diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c
index c63babefb69..cf283e3d276 100644
--- a/drivers/s390/net/claw.c
+++ b/drivers/s390/net/claw.c
@@ -90,7 +90,6 @@
 #include <linux/timer.h>
 #include <linux/types.h>
 
-#include "cu3088.h"
 #include "claw.h"
 
 /*
@@ -258,6 +257,9 @@ static int claw_pm_prepare(struct ccwgroup_device *gdev)
 	return -EPERM;
 }
 
+/* the root device for claw group devices */
+static struct device *claw_root_dev;
+
 /* ccwgroup table  */
 
 static struct ccwgroup_driver claw_group_driver = {
@@ -272,6 +274,47 @@ static struct ccwgroup_driver claw_group_driver = {
 	.prepare     = claw_pm_prepare,
 };
 
+static struct ccw_device_id claw_ids[] = {
+	{CCW_DEVICE(0x3088, 0x61), .driver_info = claw_channel_type_claw},
+	{},
+};
+MODULE_DEVICE_TABLE(ccw, claw_ids);
+
+static struct ccw_driver claw_ccw_driver = {
+	.owner	= THIS_MODULE,
+	.name	= "claw",
+	.ids	= claw_ids,
+	.probe	= ccwgroup_probe_ccwdev,
+	.remove	= ccwgroup_remove_ccwdev,
+};
+
+static ssize_t
+claw_driver_group_store(struct device_driver *ddrv, const char *buf,
+			size_t count)
+{
+	int err;
+	err = ccwgroup_create_from_string(claw_root_dev,
+					  claw_group_driver.driver_id,
+					  &claw_ccw_driver, 3, buf);
+	return err ? err : count;
+}
+
+static DRIVER_ATTR(group, 0200, NULL, claw_driver_group_store);
+
+static struct attribute *claw_group_attrs[] = {
+	&driver_attr_group.attr,
+	NULL,
+};
+
+static struct attribute_group claw_group_attr_group = {
+	.attrs = claw_group_attrs,
+};
+
+static struct attribute_group *claw_group_attr_groups[] = {
+	&claw_group_attr_group,
+	NULL,
+};
+
 /*
 *       Key functions
 */
@@ -3326,7 +3369,11 @@ claw_remove_files(struct device *dev)
 static void __exit
 claw_cleanup(void)
 {
-	unregister_cu3088_discipline(&claw_group_driver);
+	driver_remove_file(&claw_group_driver.driver,
+			   &driver_attr_group);
+	ccwgroup_driver_unregister(&claw_group_driver);
+	ccw_driver_unregister(&claw_ccw_driver);
+	root_device_unregister(claw_root_dev);
 	claw_unregister_debug_facility();
 	pr_info("Driver unloaded\n");
 
@@ -3348,16 +3395,31 @@ claw_init(void)
 	if (ret) {
 		pr_err("Registering with the S/390 debug feature"
 			" failed with error code %d\n", ret);
-		return ret;
+		goto out_err;
 	}
 	CLAW_DBF_TEXT(2, setup, "init_mod");
-	ret = register_cu3088_discipline(&claw_group_driver);
-	if (ret) {
-		CLAW_DBF_TEXT(2, setup, "init_bad");
-		claw_unregister_debug_facility();
-		pr_err("Registering with the cu3088 device driver failed "
-			   "with error code %d\n", ret);
-	}
+	claw_root_dev = root_device_register("qeth");
+	ret = IS_ERR(claw_root_dev) ? PTR_ERR(claw_root_dev) : 0;
+	if (ret)
+		goto register_err;
+	ret = ccw_driver_register(&claw_ccw_driver);
+	if (ret)
+		goto ccw_err;
+	claw_group_driver.driver.groups = claw_group_attr_groups;
+	ret = ccwgroup_driver_register(&claw_group_driver);
+	if (ret)
+		goto ccwgroup_err;
+	return 0;
+
+ccwgroup_err:
+	ccw_driver_unregister(&claw_ccw_driver);
+ccw_err:
+	root_device_unregister(claw_root_dev);
+register_err:
+	CLAW_DBF_TEXT(2, setup, "init_bad");
+	claw_unregister_debug_facility();
+out_err:
+	pr_err("Initializing the claw device driver failed\n");
 	return ret;
 }
 
diff --git a/drivers/s390/net/claw.h b/drivers/s390/net/claw.h
index 005072c420d..46d59a13db1 100644
--- a/drivers/s390/net/claw.h
+++ b/drivers/s390/net/claw.h
@@ -129,6 +129,18 @@ static inline int claw_dbf_passes(debug_info_t *dbf_grp, int level)
 		} \
 	} while (0)
 
+/**
+ * Enum for classifying detected devices.
+ */
+enum claw_channel_types {
+	/* Device is not a channel  */
+	claw_channel_type_none,
+
+	/* Device is a CLAW channel device */
+	claw_channel_type_claw
+};
+
+
 /*******************************************************
 *  Define Control Blocks                               *
 *                                                      *
diff --git a/drivers/s390/net/ctcm_fsms.c b/drivers/s390/net/ctcm_fsms.c
index 4ded9ac2c5e..70eb7f13841 100644
--- a/drivers/s390/net/ctcm_fsms.c
+++ b/drivers/s390/net/ctcm_fsms.c
@@ -44,7 +44,6 @@
 #include <asm/idals.h>
 
 #include "fsm.h"
-#include "cu3088.h"
 
 #include "ctcm_dbug.h"
 #include "ctcm_main.h"
diff --git a/drivers/s390/net/ctcm_fsms.h b/drivers/s390/net/ctcm_fsms.h
index 2326aba9807..046d077fabb 100644
--- a/drivers/s390/net/ctcm_fsms.h
+++ b/drivers/s390/net/ctcm_fsms.h
@@ -39,7 +39,6 @@
 #include <asm/idals.h>
 
 #include "fsm.h"
-#include "cu3088.h"
 #include "ctcm_main.h"
 
 /*
diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c
index ecac3b2e32d..558dc323a94 100644
--- a/drivers/s390/net/ctcm_main.c
+++ b/drivers/s390/net/ctcm_main.c
@@ -51,12 +51,16 @@
 
 #include <asm/idals.h>
 
-#include "cu3088.h"
 #include "ctcm_fsms.h"
 #include "ctcm_main.h"
 
 /* Some common global variables */
 
+/**
+ * The root device for ctcm group devices
+ */
+static struct device *ctcm_root_dev;
+
 /*
  * Linked list of all detected channels.
  */
@@ -246,7 +250,7 @@ static void channel_remove(struct channel *ch)
  *
  * returns Pointer to a channel or NULL if no matching channel available.
  */
-static struct channel *channel_get(enum channel_types type,
+static struct channel *channel_get(enum ctcm_channel_types type,
 					char *id, int direction)
 {
 	struct channel *ch = channels;
@@ -1342,7 +1346,7 @@ static int ctcm_probe_device(struct ccwgroup_device *cgdev)
  *
  * returns 0 on success, !0 on error.
  */
-static int add_channel(struct ccw_device *cdev, enum channel_types type,
+static int add_channel(struct ccw_device *cdev, enum ctcm_channel_types type,
 				struct ctcm_priv *priv)
 {
 	struct channel **c = &channels;
@@ -1501,13 +1505,13 @@ free_return:	/* note that all channel pointers are 0 or valid */
 /*
  * Return type of a detected device.
  */
-static enum channel_types get_channel_type(struct ccw_device_id *id)
+static enum ctcm_channel_types get_channel_type(struct ccw_device_id *id)
 {
-	enum channel_types type;
-	type = (enum channel_types)id->driver_info;
+	enum ctcm_channel_types type;
+	type = (enum ctcm_channel_types)id->driver_info;
 
-	if (type == channel_type_ficon)
-		type = channel_type_escon;
+	if (type == ctcm_channel_type_ficon)
+		type = ctcm_channel_type_escon;
 
 	return type;
 }
@@ -1525,7 +1529,7 @@ static int ctcm_new_device(struct ccwgroup_device *cgdev)
 	char read_id[CTCM_ID_SIZE];
 	char write_id[CTCM_ID_SIZE];
 	int direction;
-	enum channel_types type;
+	enum ctcm_channel_types type;
 	struct ctcm_priv *priv;
 	struct net_device *dev;
 	struct ccw_device *cdev0;
@@ -1749,6 +1753,22 @@ err_out:
 	return rc;
 }
 
+static struct ccw_device_id ctcm_ids[] = {
+	{CCW_DEVICE(0x3088, 0x08), .driver_info = ctcm_channel_type_parallel},
+	{CCW_DEVICE(0x3088, 0x1e), .driver_info = ctcm_channel_type_ficon},
+	{CCW_DEVICE(0x3088, 0x1f), .driver_info = ctcm_channel_type_escon},
+	{},
+};
+MODULE_DEVICE_TABLE(ccw, ctcm_ids);
+
+static struct ccw_driver ctcm_ccw_driver = {
+	.owner	= THIS_MODULE,
+	.name	= "ctcm",
+	.ids	= ctcm_ids,
+	.probe	= ccwgroup_probe_ccwdev,
+	.remove	= ccwgroup_remove_ccwdev,
+};
+
 static struct ccwgroup_driver ctcm_group_driver = {
 	.owner       = THIS_MODULE,
 	.name        = CTC_DRIVER_NAME,
@@ -1763,6 +1783,33 @@ static struct ccwgroup_driver ctcm_group_driver = {
 	.restore     = ctcm_pm_resume,
 };
 
+static ssize_t
+ctcm_driver_group_store(struct device_driver *ddrv, const char *buf,
+			size_t count)
+{
+	int err;
+
+	err = ccwgroup_create_from_string(ctcm_root_dev,
+					  ctcm_group_driver.driver_id,
+					  &ctcm_ccw_driver, 2, buf);
+	return err ? err : count;
+}
+
+static DRIVER_ATTR(group, 0200, NULL, ctcm_driver_group_store);
+
+static struct attribute *ctcm_group_attrs[] = {
+	&driver_attr_group.attr,
+	NULL,
+};
+
+static struct attribute_group ctcm_group_attr_group = {
+	.attrs = ctcm_group_attrs,
+};
+
+static struct attribute_group *ctcm_group_attr_groups[] = {
+	&ctcm_group_attr_group,
+	NULL,
+};
 
 /*
  * Module related routines
@@ -1776,7 +1823,10 @@ static struct ccwgroup_driver ctcm_group_driver = {
  */
 static void __exit ctcm_exit(void)
 {
-	unregister_cu3088_discipline(&ctcm_group_driver);
+	driver_remove_file(&ctcm_group_driver.driver, &driver_attr_group);
+	ccwgroup_driver_unregister(&ctcm_group_driver);
+	ccw_driver_unregister(&ctcm_ccw_driver);
+	root_device_unregister(ctcm_root_dev);
 	ctcm_unregister_dbf_views();
 	pr_info("CTCM driver unloaded\n");
 }
@@ -1802,17 +1852,31 @@ static int __init ctcm_init(void)
 	channels = NULL;
 
 	ret = ctcm_register_dbf_views();
-	if (ret) {
-		return ret;
-	}
-	ret = register_cu3088_discipline(&ctcm_group_driver);
-	if (ret) {
-		ctcm_unregister_dbf_views();
-		pr_err("%s / register_cu3088_discipline failed, ret = %d\n",
-			__func__, ret);
-		return ret;
-	}
+	if (ret)
+		goto out_err;
+	ctcm_root_dev = root_device_register("ctcm");
+	ret = IS_ERR(ctcm_root_dev) ? PTR_ERR(ctcm_root_dev) : 0;
+	if (ret)
+		goto register_err;
+	ret = ccw_driver_register(&ctcm_ccw_driver);
+	if (ret)
+		goto ccw_err;
+	ctcm_group_driver.driver.groups = ctcm_group_attr_groups;
+	ret = ccwgroup_driver_register(&ctcm_group_driver);
+	if (ret)
+		goto ccwgroup_err;
 	print_banner();
+	return 0;
+
+ccwgroup_err:
+	ccw_driver_unregister(&ctcm_ccw_driver);
+ccw_err:
+	root_device_unregister(ctcm_root_dev);
+register_err:
+	ctcm_unregister_dbf_views();
+out_err:
+	pr_err("%s / Initializing the ctcm device driver failed, ret = %d\n",
+		__func__, ret);
 	return ret;
 }
 
diff --git a/drivers/s390/net/ctcm_main.h b/drivers/s390/net/ctcm_main.h
index d925e732b7d..d34fa14f44e 100644
--- a/drivers/s390/net/ctcm_main.h
+++ b/drivers/s390/net/ctcm_main.h
@@ -16,7 +16,6 @@
 #include <linux/netdevice.h>
 
 #include "fsm.h"
-#include "cu3088.h"
 #include "ctcm_dbug.h"
 #include "ctcm_mpc.h"
 
@@ -66,6 +65,23 @@
 			ctcmpc_dumpit(buf, len); \
 	} while (0)
 
+/**
+ * Enum for classifying detected devices
+ */
+enum ctcm_channel_types {
+	/* Device is not a channel  */
+	ctcm_channel_type_none,
+
+	/* Device is a CTC/A */
+	ctcm_channel_type_parallel,
+
+	/* Device is a FICON channel */
+	ctcm_channel_type_ficon,
+
+	/* Device is a ESCON channel */
+	ctcm_channel_type_escon
+};
+
 /*
  * CCW commands, used in this driver.
  */
@@ -121,7 +137,7 @@ struct channel {
 	 * Type of this channel.
 	 * CTC/A or Escon for valid channels.
 	 */
-	enum channel_types type;
+	enum ctcm_channel_types type;
 	/*
 	 * Misc. flags. See CHANNEL_FLAGS_... below
 	 */
diff --git a/drivers/s390/net/ctcm_mpc.c b/drivers/s390/net/ctcm_mpc.c
index 781e18be7e8..5978b390153 100644
--- a/drivers/s390/net/ctcm_mpc.c
+++ b/drivers/s390/net/ctcm_mpc.c
@@ -53,7 +53,6 @@
 #include <linux/moduleparam.h>
 #include <asm/idals.h>
 
-#include "cu3088.h"
 #include "ctcm_mpc.h"
 #include "ctcm_main.h"
 #include "ctcm_fsms.h"
diff --git a/drivers/s390/net/ctcm_sysfs.c b/drivers/s390/net/ctcm_sysfs.c
index 8452bb052d6..738ad26c74a 100644
--- a/drivers/s390/net/ctcm_sysfs.c
+++ b/drivers/s390/net/ctcm_sysfs.c
@@ -158,6 +158,15 @@ static ssize_t ctcm_proto_store(struct device *dev,
 	return count;
 }
 
+const char *ctcm_type[] = {
+	"not a channel",
+	"CTC/A",
+	"FICON channel",
+	"ESCON channel",
+	"unknown channel type",
+	"unsupported channel type",
+};
+
 static ssize_t ctcm_type_show(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
@@ -168,7 +177,7 @@ static ssize_t ctcm_type_show(struct device *dev,
 		return -ENODEV;
 
 	return sprintf(buf, "%s\n",
-			cu3088_type[cgdev->cdev[0]->id.driver_info]);
+			ctcm_type[cgdev->cdev[0]->id.driver_info]);
 }
 
 static DEVICE_ATTR(buffer, 0644, ctcm_buffer_show, ctcm_buffer_write);
diff --git a/drivers/s390/net/cu3088.c b/drivers/s390/net/cu3088.c
deleted file mode 100644
index 48383459e99..00000000000
--- a/drivers/s390/net/cu3088.c
+++ /dev/null
@@ -1,148 +0,0 @@
-/*
- * CTC / LCS ccw_device driver
- *
- * Copyright (C) 2002 IBM Deutschland Entwicklung GmbH, IBM Corporation
- * Author(s): Arnd Bergmann <arndb@de.ibm.com>
- *            Cornelia Huck <cornelia.huck@de.ibm.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/err.h>
-
-#include <asm/ccwdev.h>
-#include <asm/ccwgroup.h>
-
-#include "cu3088.h"
-
-const char *cu3088_type[] = {
-	"not a channel",
-	"CTC/A",
-	"ESCON channel",
-	"FICON channel",
-	"OSA LCS card",
-	"CLAW channel device",
-	"unknown channel type",
-	"unsupported channel type",
-};
-
-/* static definitions */
-
-static struct ccw_device_id cu3088_ids[] = {
-	{ CCW_DEVICE(0x3088, 0x08), .driver_info = channel_type_parallel },
-	{ CCW_DEVICE(0x3088, 0x1f), .driver_info = channel_type_escon },
-	{ CCW_DEVICE(0x3088, 0x1e), .driver_info = channel_type_ficon },
-	{ CCW_DEVICE(0x3088, 0x60), .driver_info = channel_type_osa2 },
-	{ CCW_DEVICE(0x3088, 0x61), .driver_info = channel_type_claw },
-	{ /* end of list */ }
-};
-
-static struct ccw_driver cu3088_driver;
-
-static struct device *cu3088_root_dev;
-
-static ssize_t
-group_write(struct device_driver *drv, const char *buf, size_t count)
-{
-	int ret;
-	struct ccwgroup_driver *cdrv;
-
-	cdrv = to_ccwgroupdrv(drv);
-	if (!cdrv)
-		return -EINVAL;
-	ret = ccwgroup_create_from_string(cu3088_root_dev, cdrv->driver_id,
-					  &cu3088_driver, 2, buf);
-
-	return (ret == 0) ? count : ret;
-}
-
-static DRIVER_ATTR(group, 0200, NULL, group_write);
-
-/* Register-unregister for ctc&lcs */
-int
-register_cu3088_discipline(struct ccwgroup_driver *dcp)
-{
-	int rc;
-
-	if (!dcp)
-		return -EINVAL;
-
-	/* Register discipline.*/
-	rc = ccwgroup_driver_register(dcp);
-	if (rc)
-		return rc;
-
-	rc = driver_create_file(&dcp->driver, &driver_attr_group);
-	if (rc)
-		ccwgroup_driver_unregister(dcp);
-
-	return rc;
-
-}
-
-void
-unregister_cu3088_discipline(struct ccwgroup_driver *dcp)
-{
-	if (!dcp)
-		return;
-
-	driver_remove_file(&dcp->driver, &driver_attr_group);
-	ccwgroup_driver_unregister(dcp);
-}
-
-static struct ccw_driver cu3088_driver = {
-	.owner	     = THIS_MODULE,
-	.ids	     = cu3088_ids,
-	.name        = "cu3088",
-	.probe	     = ccwgroup_probe_ccwdev,
-	.remove	     = ccwgroup_remove_ccwdev,
-};
-
-/* module setup */
-static int __init
-cu3088_init (void)
-{
-	int rc;
-
-	cu3088_root_dev = root_device_register("cu3088");
-	if (IS_ERR(cu3088_root_dev))
-		return PTR_ERR(cu3088_root_dev);
-	rc = ccw_driver_register(&cu3088_driver);
-	if (rc)
-		root_device_unregister(cu3088_root_dev);
-
-	return rc;
-}
-
-static void __exit
-cu3088_exit (void)
-{
-	ccw_driver_unregister(&cu3088_driver);
-	root_device_unregister(cu3088_root_dev);
-}
-
-MODULE_DEVICE_TABLE(ccw,cu3088_ids);
-MODULE_AUTHOR("Arnd Bergmann <arndb@de.ibm.com>");
-MODULE_LICENSE("GPL");
-
-module_init(cu3088_init);
-module_exit(cu3088_exit);
-
-EXPORT_SYMBOL_GPL(cu3088_type);
-EXPORT_SYMBOL_GPL(register_cu3088_discipline);
-EXPORT_SYMBOL_GPL(unregister_cu3088_discipline);
diff --git a/drivers/s390/net/cu3088.h b/drivers/s390/net/cu3088.h
deleted file mode 100644
index d8558a7105a..00000000000
--- a/drivers/s390/net/cu3088.h
+++ /dev/null
@@ -1,41 +0,0 @@
-#ifndef _CU3088_H
-#define _CU3088_H
-
-/**
- * Enum for classifying detected devices.
- */
-enum channel_types {
-        /* Device is not a channel  */
-	channel_type_none,
-
-        /* Device is a CTC/A */
-	channel_type_parallel,
-
-	/* Device is a ESCON channel */
-	channel_type_escon,
-
-	/* Device is a FICON channel */
-	channel_type_ficon,
-
-	/* Device is a OSA2 card */
-	channel_type_osa2,
-
-	/* Device is a CLAW channel device */
-	channel_type_claw,
-
-	/* Device is a channel, but we don't know
-	 * anything about it */
-	channel_type_unknown,
-
-	/* Device is an unsupported model */
-	channel_type_unsupported,
-
-	/* number of type entries */
-	num_channel_types
-};
-
-extern const char *cu3088_type[num_channel_types];
-extern int register_cu3088_discipline(struct ccwgroup_driver *);
-extern void unregister_cu3088_discipline(struct ccwgroup_driver *);
-
-#endif
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index 5e46415d3e1..1d43d23f5ea 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -47,7 +47,6 @@
 #include <asm/ccwgroup.h>
 
 #include "lcs.h"
-#include "cu3088.h"
 
 
 #if !defined(CONFIG_NET_ETHERNET) && \
@@ -60,7 +59,11 @@
  */
 
 static char version[] __initdata = "LCS driver";
-static char debug_buffer[255];
+
+/**
+  * the root device for lcs group devices
+  */
+static struct device *lcs_root_dev;
 
 /**
  * Some prototypes.
@@ -76,6 +79,7 @@ static int lcs_recovery(void *ptr);
 /**
  * Debug Facility Stuff
  */
+static char debug_buffer[255];
 static debug_info_t *lcs_dbf_setup;
 static debug_info_t *lcs_dbf_trace;
 
@@ -1968,6 +1972,15 @@ lcs_portno_store (struct device *dev, struct device_attribute *attr, const char
 
 static DEVICE_ATTR(portno, 0644, lcs_portno_show, lcs_portno_store);
 
+const char *lcs_type[] = {
+	"not a channel",
+	"2216 parallel",
+	"2216 channel",
+	"OSA LCS card",
+	"unknown channel type",
+	"unsupported channel type",
+};
+
 static ssize_t
 lcs_type_show(struct device *dev, struct device_attribute *attr, char *buf)
 {
@@ -1977,7 +1990,7 @@ lcs_type_show(struct device *dev, struct device_attribute *attr, char *buf)
 	if (!cgdev)
 		return -ENODEV;
 
-	return sprintf(buf, "%s\n", cu3088_type[cgdev->cdev[0]->id.driver_info]);
+	return sprintf(buf, "%s\n", lcs_type[cgdev->cdev[0]->id.driver_info]);
 }
 
 static DEVICE_ATTR(type, 0444, lcs_type_show, NULL);
@@ -2370,6 +2383,22 @@ static int lcs_restore(struct ccwgroup_device *gdev)
 	return lcs_pm_resume(card);
 }
 
+static struct ccw_device_id lcs_ids[] = {
+	{CCW_DEVICE(0x3088, 0x08), .driver_info = lcs_channel_type_parallel},
+	{CCW_DEVICE(0x3088, 0x1f), .driver_info = lcs_channel_type_2216},
+	{CCW_DEVICE(0x3088, 0x60), .driver_info = lcs_channel_type_osa2},
+	{},
+};
+MODULE_DEVICE_TABLE(ccw, lcs_ids);
+
+static struct ccw_driver lcs_ccw_driver = {
+	.owner	= THIS_MODULE,
+	.name	= "lcs",
+	.ids	= lcs_ids,
+	.probe	= ccwgroup_probe_ccwdev,
+	.remove	= ccwgroup_remove_ccwdev,
+};
+
 /**
  * LCS ccwgroup driver registration
  */
@@ -2389,6 +2418,33 @@ static struct ccwgroup_driver lcs_group_driver = {
 	.restore     = lcs_restore,
 };
 
+static ssize_t
+lcs_driver_group_store(struct device_driver *ddrv, const char *buf,
+		       size_t count)
+{
+	int err;
+	err = ccwgroup_create_from_string(lcs_root_dev,
+					  lcs_group_driver.driver_id,
+					  &lcs_ccw_driver, 2, buf);
+	return err ? err : count;
+}
+
+static DRIVER_ATTR(group, 0200, NULL, lcs_driver_group_store);
+
+static struct attribute *lcs_group_attrs[] = {
+	&driver_attr_group.attr,
+	NULL,
+};
+
+static struct attribute_group lcs_group_attr_group = {
+	.attrs = lcs_group_attrs,
+};
+
+static struct attribute_group *lcs_group_attr_groups[] = {
+	&lcs_group_attr_group,
+	NULL,
+};
+
 /**
  *  LCS Module/Kernel initialization function
  */
@@ -2400,17 +2456,30 @@ __init lcs_init_module(void)
 	pr_info("Loading %s\n", version);
 	rc = lcs_register_debug_facility();
 	LCS_DBF_TEXT(0, setup, "lcsinit");
-	if (rc) {
-		pr_err("Initialization failed\n");
-		return rc;
-	}
-
-	rc = register_cu3088_discipline(&lcs_group_driver);
-	if (rc) {
-		pr_err("Initialization failed\n");
-		return rc;
-	}
+	if (rc)
+		goto out_err;
+	lcs_root_dev = root_device_register("lcs");
+	rc = IS_ERR(lcs_root_dev) ? PTR_ERR(lcs_root_dev) : 0;
+	if (rc)
+		goto register_err;
+	rc = ccw_driver_register(&lcs_ccw_driver);
+	if (rc)
+		goto ccw_err;
+	lcs_group_driver.driver.groups = lcs_group_attr_groups;
+	rc = ccwgroup_driver_register(&lcs_group_driver);
+	if (rc)
+		goto ccwgroup_err;
 	return 0;
+
+ccwgroup_err:
+	ccw_driver_unregister(&lcs_ccw_driver);
+ccw_err:
+	root_device_unregister(lcs_root_dev);
+register_err:
+	lcs_unregister_debug_facility();
+out_err:
+	pr_err("Initializing the lcs device driver failed\n");
+	return rc;
 }
 
 
@@ -2422,7 +2491,11 @@ __exit lcs_cleanup_module(void)
 {
 	pr_info("Terminating lcs module.\n");
 	LCS_DBF_TEXT(0, trace, "cleanup");
-	unregister_cu3088_discipline(&lcs_group_driver);
+	driver_remove_file(&lcs_group_driver.driver,
+			   &driver_attr_group);
+	ccwgroup_driver_unregister(&lcs_group_driver);
+	ccw_driver_unregister(&lcs_ccw_driver);
+	root_device_unregister(lcs_root_dev);
 	lcs_unregister_debug_facility();
 }
 
diff --git a/drivers/s390/net/lcs.h b/drivers/s390/net/lcs.h
index 6d668642af2..8c03392ac83 100644
--- a/drivers/s390/net/lcs.h
+++ b/drivers/s390/net/lcs.h
@@ -36,6 +36,24 @@ static inline int lcs_dbf_passes(debug_info_t *dbf_grp, int level)
 #define CARD_FROM_DEV(cdev) \
 	(struct lcs_card *) dev_get_drvdata( \
 		&((struct ccwgroup_device *)dev_get_drvdata(&cdev->dev))->dev);
+
+/**
+ * Enum for classifying detected devices.
+ */
+enum lcs_channel_types {
+	/* Device is not a channel  */
+	lcs_channel_type_none,
+
+	/* Device is a 2216 channel */
+	lcs_channel_type_parallel,
+
+	/* Device is a 2216 channel */
+	lcs_channel_type_2216,
+
+	/* Device is a OSA2 card */
+	lcs_channel_type_osa2
+};
+
 /**
  * CCW commands used in this driver
  */
-- 
GitLab


From 998221c26b86a7edd621e66b437628c5ec0f8e9b Mon Sep 17 00:00:00 2001
From: Ursula Braun <ursula.braun@de.ibm.com>
Date: Thu, 12 Nov 2009 21:46:30 +0000
Subject: [PATCH 1239/1815] netiucv: displayed TX bytes value much too high

tx_bytes value must be updated by skb length before skb is freed.

Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/s390/net/netiucv.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c
index c84eadd3602..395c04c2b00 100644
--- a/drivers/s390/net/netiucv.c
+++ b/drivers/s390/net/netiucv.c
@@ -741,13 +741,13 @@ static void conn_action_txdone(fsm_instance *fi, int event, void *arg)
 	if (single_flag) {
 		if ((skb = skb_dequeue(&conn->commit_queue))) {
 			atomic_dec(&skb->users);
-			dev_kfree_skb_any(skb);
 			if (privptr) {
 				privptr->stats.tx_packets++;
 				privptr->stats.tx_bytes +=
 					(skb->len - NETIUCV_HDRLEN
-					 	  - NETIUCV_HDRLEN);
+						  - NETIUCV_HDRLEN);
 			}
+			dev_kfree_skb_any(skb);
 		}
 	}
 	conn->tx_buff->data = conn->tx_buff->head;
-- 
GitLab


From 7ed0132f232b11ae58b6d868e8d7ada9dfa066d7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Denis-Courmont?= <remi.denis-courmont@nokia.com>
Date: Fri, 13 Nov 2009 05:01:18 +0000
Subject: [PATCH 1240/1815] Phonet: put protocols array under RCU
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/phonet/af_phonet.c | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c
index 8d3a55b4a30..ed65da251b6 100644
--- a/net/phonet/af_phonet.c
+++ b/net/phonet/af_phonet.c
@@ -35,7 +35,6 @@
 
 /* Transport protocol registration */
 static struct phonet_protocol *proto_tab[PHONET_NPROTO] __read_mostly;
-static DEFINE_SPINLOCK(proto_tab_lock);
 
 static struct phonet_protocol *phonet_proto_get(int protocol)
 {
@@ -44,11 +43,11 @@ static struct phonet_protocol *phonet_proto_get(int protocol)
 	if (protocol >= PHONET_NPROTO)
 		return NULL;
 
-	spin_lock(&proto_tab_lock);
+	rcu_read_lock();
 	pp = proto_tab[protocol];
 	if (pp && !try_module_get(pp->prot->owner))
 		pp = NULL;
-	spin_unlock(&proto_tab_lock);
+	rcu_read_unlock();
 
 	return pp;
 }
@@ -439,6 +438,8 @@ static struct packet_type phonet_packet_type __read_mostly = {
 	.func = phonet_rcv,
 };
 
+static DEFINE_MUTEX(proto_tab_lock);
+
 int __init_or_module phonet_proto_register(int protocol,
 						struct phonet_protocol *pp)
 {
@@ -451,12 +452,12 @@ int __init_or_module phonet_proto_register(int protocol,
 	if (err)
 		return err;
 
-	spin_lock(&proto_tab_lock);
+	mutex_lock(&proto_tab_lock);
 	if (proto_tab[protocol])
 		err = -EBUSY;
 	else
-		proto_tab[protocol] = pp;
-	spin_unlock(&proto_tab_lock);
+		rcu_assign_pointer(proto_tab[protocol], pp);
+	mutex_unlock(&proto_tab_lock);
 
 	return err;
 }
@@ -464,10 +465,11 @@ EXPORT_SYMBOL(phonet_proto_register);
 
 void phonet_proto_unregister(int protocol, struct phonet_protocol *pp)
 {
-	spin_lock(&proto_tab_lock);
+	mutex_lock(&proto_tab_lock);
 	BUG_ON(proto_tab[protocol] != pp);
-	proto_tab[protocol] = NULL;
-	spin_unlock(&proto_tab_lock);
+	rcu_assign_pointer(proto_tab[protocol], NULL);
+	mutex_unlock(&proto_tab_lock);
+	synchronize_rcu();
 	proto_unregister(pp->prot);
 }
 EXPORT_SYMBOL(phonet_proto_unregister);
-- 
GitLab


From 888801357f240daee5d310327867d834bc05183b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Denis-Courmont?= <remi.denis-courmont@nokia.com>
Date: Fri, 13 Nov 2009 05:01:19 +0000
Subject: [PATCH 1241/1815] Phonet: convert routing table to RCU
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/phonet/pn_dev.c | 59 ++++++++++++++++++++++++++-------------------
 1 file changed, 34 insertions(+), 25 deletions(-)

diff --git a/net/phonet/pn_dev.c b/net/phonet/pn_dev.c
index 6d64fda1afc..3287f8f0b5c 100644
--- a/net/phonet/pn_dev.c
+++ b/net/phonet/pn_dev.c
@@ -34,7 +34,7 @@
 #include <net/phonet/pn_dev.h>
 
 struct phonet_routes {
-	spinlock_t		lock;
+	struct mutex		lock;
 	struct net_device	*table[64];
 };
 
@@ -248,17 +248,22 @@ static void phonet_route_autodel(struct net_device *dev)
 
 	/* Remove left-over Phonet routes */
 	bitmap_zero(deleted, 64);
-	spin_lock_bh(&pnn->routes.lock);
+	mutex_lock(&pnn->routes.lock);
 	for (i = 0; i < 64; i++)
 		if (dev == pnn->routes.table[i]) {
+			rcu_assign_pointer(pnn->routes.table[i], NULL);
 			set_bit(i, deleted);
-			pnn->routes.table[i] = NULL;
-			dev_put(dev);
 		}
-	spin_unlock_bh(&pnn->routes.lock);
+	mutex_unlock(&pnn->routes.lock);
+
+	if (bitmap_empty(deleted, 64))
+		return; /* short-circuit RCU */
+	synchronize_rcu();
 	for (i = find_first_bit(deleted, 64); i < 64;
-			i = find_next_bit(deleted, 64, i + 1))
+			i = find_next_bit(deleted, 64, i + 1)) {
 		rtm_phonet_notify(RTM_DELROUTE, dev, i);
+		dev_put(dev);
+	}
 }
 
 /* notify Phonet of device events */
@@ -300,7 +305,7 @@ static int phonet_init_net(struct net *net)
 
 	INIT_LIST_HEAD(&pnn->pndevs.list);
 	spin_lock_init(&pnn->pndevs.lock);
-	spin_lock_init(&pnn->routes.lock);
+	mutex_init(&pnn->routes.lock);
 	net_assign_generic(net, phonet_net_id, pnn);
 	return 0;
 }
@@ -361,13 +366,13 @@ int phonet_route_add(struct net_device *dev, u8 daddr)
 	int err = -EEXIST;
 
 	daddr = daddr >> 2;
-	spin_lock_bh(&routes->lock);
+	mutex_lock(&routes->lock);
 	if (routes->table[daddr] == NULL) {
-		routes->table[daddr] = dev;
+		rcu_assign_pointer(routes->table[daddr], dev);
 		dev_hold(dev);
 		err = 0;
 	}
-	spin_unlock_bh(&routes->lock);
+	mutex_unlock(&routes->lock);
 	return err;
 }
 
@@ -375,17 +380,20 @@ int phonet_route_del(struct net_device *dev, u8 daddr)
 {
 	struct phonet_net *pnn = net_generic(dev_net(dev), phonet_net_id);
 	struct phonet_routes *routes = &pnn->routes;
-	int err = -ENOENT;
 
 	daddr = daddr >> 2;
-	spin_lock_bh(&routes->lock);
-	if (dev == routes->table[daddr]) {
-		routes->table[daddr] = NULL;
-		dev_put(dev);
-		err = 0;
-	}
-	spin_unlock_bh(&routes->lock);
-	return err;
+	mutex_lock(&routes->lock);
+	if (dev == routes->table[daddr])
+		rcu_assign_pointer(routes->table[daddr], NULL);
+	else
+		dev = NULL;
+	mutex_unlock(&routes->lock);
+
+	if (!dev)
+		return -ENOENT;
+	synchronize_rcu();
+	dev_put(dev);
+	return 0;
 }
 
 struct net_device *phonet_route_get(struct net *net, u8 daddr)
@@ -397,9 +405,9 @@ struct net_device *phonet_route_get(struct net *net, u8 daddr)
 	ASSERT_RTNL(); /* no need to hold the device */
 
 	daddr >>= 2;
-	spin_lock_bh(&routes->lock);
-	dev = routes->table[daddr];
-	spin_unlock_bh(&routes->lock);
+	rcu_read_lock();
+	dev = rcu_dereference(routes->table[daddr]);
+	rcu_read_unlock();
 	return dev;
 }
 
@@ -409,11 +417,12 @@ struct net_device *phonet_route_output(struct net *net, u8 daddr)
 	struct phonet_routes *routes = &pnn->routes;
 	struct net_device *dev;
 
-	spin_lock_bh(&routes->lock);
-	dev = routes->table[daddr >> 2];
+	daddr >>= 2;
+	rcu_read_lock();
+	dev = rcu_dereference(routes->table[daddr]);
 	if (dev)
 		dev_hold(dev);
-	spin_unlock_bh(&routes->lock);
+	rcu_read_unlock();
 
 	if (!dev)
 		dev = phonet_device_get(net); /* Default route */
-- 
GitLab


From afa17a500a3667f66df450100538d06769529bba Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Fri, 13 Nov 2009 06:14:52 +0000
Subject: [PATCH 1242/1815] net/can: add driver for mscan family &
 mpc52xx_mscan

Taken from socketcan-svn, fixed remaining todos, cleaned up, tested with a
phyCORE-MPC5200B-IO and a custom board.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Wolfgang Grandegger <wg@grandegger.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 .../powerpc/dts-bindings/fsl/mpc5200.txt      |   9 +
 drivers/net/can/Kconfig                       |  19 +
 drivers/net/can/Makefile                      |   1 +
 drivers/net/can/mscan/Makefile                |   5 +
 drivers/net/can/mscan/mpc52xx_can.c           | 279 +++++++
 drivers/net/can/mscan/mscan.c                 | 699 ++++++++++++++++++
 drivers/net/can/mscan/mscan.h                 | 262 +++++++
 7 files changed, 1274 insertions(+)
 create mode 100644 drivers/net/can/mscan/Makefile
 create mode 100644 drivers/net/can/mscan/mpc52xx_can.c
 create mode 100644 drivers/net/can/mscan/mscan.c
 create mode 100644 drivers/net/can/mscan/mscan.h

diff --git a/Documentation/powerpc/dts-bindings/fsl/mpc5200.txt b/Documentation/powerpc/dts-bindings/fsl/mpc5200.txt
index 8447fd7090d..b151fb1ddef 100644
--- a/Documentation/powerpc/dts-bindings/fsl/mpc5200.txt
+++ b/Documentation/powerpc/dts-bindings/fsl/mpc5200.txt
@@ -178,3 +178,12 @@ External interrupts:
 	external irq3:	interrupts = <1 3 n>;
 'n' is sense (0: level high, 1: edge rising, 2: edge falling 3: level low)
 
+fsl,mpc5200-mscan nodes
+-----------------------
+In addition to the required compatible-, reg- and interrupt-properites, you can
+also specify which clock shall be used for the bus:
+
+- fsl,mscan-clk-src	- a string describing the clock source. Valid values
+			  are "ip" for IP_CLK and "sys" for SYS_XTAL.
+			  "sys" is the default in case the property is not
+			  present.
diff --git a/drivers/net/can/Kconfig b/drivers/net/can/Kconfig
index b819cc2a429..c16e6ff139d 100644
--- a/drivers/net/can/Kconfig
+++ b/drivers/net/can/Kconfig
@@ -108,6 +108,25 @@ config CAN_MCP251X
 	---help---
 	  Driver for the Microchip MCP251x SPI CAN controllers.
 
+config CAN_MSCAN
+	depends on CAN_DEV && (PPC || M68K || M68KNOMMU)
+	tristate "Support for Freescale MSCAN based chips"
+	---help---
+	  The Motorola Scalable Controller Area Network (MSCAN) definition
+	  is based on the MSCAN12 definition which is the specific
+	  implementation of the Motorola Scalable CAN concept targeted for
+	  the Motorola MC68HC12 Microcontroller Family.
+
+config CAN_MPC52XX
+	tristate "Freescale MPC5xxx onboard CAN controller"
+	depends on CAN_MSCAN && PPC_MPC52xx
+	---help---
+	  If you say yes here you get support for Freescale's MPC52xx
+	  onboard dualCAN controller.
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called mpc5xxx_can.
+
 config CAN_DEBUG_DEVICES
 	bool "CAN devices debugging messages"
 	depends on CAN
diff --git a/drivers/net/can/Makefile b/drivers/net/can/Makefile
index 14891817ea5..56899fef1c6 100644
--- a/drivers/net/can/Makefile
+++ b/drivers/net/can/Makefile
@@ -10,6 +10,7 @@ can-dev-y			:= dev.o
 obj-y				+= usb/
 
 obj-$(CONFIG_CAN_SJA1000)	+= sja1000/
+obj-$(CONFIG_CAN_MSCAN)		+= mscan/
 obj-$(CONFIG_CAN_AT91)		+= at91_can.o
 obj-$(CONFIG_CAN_TI_HECC)	+= ti_hecc.o
 obj-$(CONFIG_CAN_MCP251X)	+= mcp251x.o
diff --git a/drivers/net/can/mscan/Makefile b/drivers/net/can/mscan/Makefile
new file mode 100644
index 00000000000..2bd9f04c790
--- /dev/null
+++ b/drivers/net/can/mscan/Makefile
@@ -0,0 +1,5 @@
+
+obj-$(CONFIG_CAN_MPC52XX)	+= mscan-mpc52xx.o
+mscan-mpc52xx-objs		:= mscan.o mpc52xx_can.o
+
+ccflags-$(CONFIG_CAN_DEBUG_DEVICES) := -DDEBUG
diff --git a/drivers/net/can/mscan/mpc52xx_can.c b/drivers/net/can/mscan/mpc52xx_can.c
new file mode 100644
index 00000000000..4707a82f1ae
--- /dev/null
+++ b/drivers/net/can/mscan/mpc52xx_can.c
@@ -0,0 +1,279 @@
+/*
+ * CAN bus driver for the Freescale MPC5xxx embedded CPU.
+ *
+ * Copyright (C) 2004-2005 Andrey Volkov <avolkov@varma-el.com>,
+ *                         Varma Electronics Oy
+ * Copyright (C) 2008-2009 Wolfgang Grandegger <wg@grandegger.com>
+ * Copyright (C) 2009 Wolfram Sang, Pengutronix <w.sang@pengutronix.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the version 2 of the GNU General Public License
+ * as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/netdevice.h>
+#include <linux/can.h>
+#include <linux/can/dev.h>
+#include <linux/of_platform.h>
+#include <sysdev/fsl_soc.h>
+#include <linux/io.h>
+#include <asm/mpc52xx.h>
+
+#include "mscan.h"
+
+
+#define DRV_NAME "mpc5xxx_can"
+
+static struct of_device_id mpc52xx_cdm_ids[] __devinitdata = {
+	{ .compatible = "fsl,mpc5200-cdm", },
+	{ .compatible = "fsl,mpc5200b-cdm", },
+	{}
+};
+
+/*
+ * Get the frequency of the external oscillator clock connected
+ * to the SYS_XTAL_IN pin, or return 0 if it cannot be determined.
+ */
+static unsigned int  __devinit mpc52xx_can_xtal_freq(struct of_device *of)
+{
+	struct mpc52xx_cdm  __iomem *cdm;
+	struct device_node *np_cdm;
+	unsigned int freq;
+	u32 val;
+
+	freq = mpc5xxx_get_bus_frequency(of->node);
+	if (!freq)
+		return 0;
+
+	/*
+	 * Determine SYS_XTAL_IN frequency from the clock domain settings
+	 */
+	np_cdm = of_find_matching_node(NULL, mpc52xx_cdm_ids);
+	if (!np_cdm) {
+		dev_err(&of->dev, "can't get clock node!\n");
+		return 0;
+	}
+	cdm = of_iomap(np_cdm, 0);
+	of_node_put(np_cdm);
+
+	if (in_8(&cdm->ipb_clk_sel) & 0x1)
+		freq *= 2;
+	val  = in_be32(&cdm->rstcfg);
+	if (val & (1 << 5))
+		freq *= 8;
+	else
+		freq *= 4;
+	if (val & (1 << 6))
+		freq /= 12;
+	else
+		freq /= 16;
+
+	iounmap(cdm);
+
+	return freq;
+}
+
+/*
+ * Get frequency of the MSCAN clock source
+ *
+ * Either the oscillator clock (SYS_XTAL_IN) or the IP bus clock (IP_CLK)
+ * can be selected. According to the MPC5200 user's manual, the oscillator
+ * clock is the better choice as it has less jitter but due to a hardware
+ * bug, it can not be selected for the old MPC5200 Rev. A chips.
+ */
+
+static unsigned int  __devinit mpc52xx_can_clock_freq(struct of_device *of,
+						      int clock_src)
+{
+	unsigned int pvr;
+
+	pvr = mfspr(SPRN_PVR);
+
+	if (clock_src == MSCAN_CLKSRC_BUS || pvr == 0x80822011)
+		return mpc5xxx_get_bus_frequency(of->node);
+
+	return mpc52xx_can_xtal_freq(of);
+}
+
+static int __devinit mpc5xxx_can_probe(struct of_device *ofdev,
+				       const struct of_device_id *id)
+{
+	struct device_node *np = ofdev->node;
+	struct net_device *dev;
+	struct mscan_priv *priv;
+	void __iomem *base;
+	const char *clk_src;
+	int err, irq, clock_src;
+
+	base = of_iomap(ofdev->node, 0);
+	if (!base) {
+		dev_err(&ofdev->dev, "couldn't ioremap\n");
+		err = -ENOMEM;
+		goto exit_release_mem;
+	}
+
+	irq = irq_of_parse_and_map(np, 0);
+	if (!irq) {
+		dev_err(&ofdev->dev, "no irq found\n");
+		err = -ENODEV;
+		goto exit_unmap_mem;
+	}
+
+	dev = alloc_mscandev();
+	if (!dev) {
+		err = -ENOMEM;
+		goto exit_dispose_irq;
+	}
+
+	priv = netdev_priv(dev);
+	priv->reg_base = base;
+	dev->irq = irq;
+
+	/*
+	 * Either the oscillator clock (SYS_XTAL_IN) or the IP bus clock
+	 * (IP_CLK) can be selected as MSCAN clock source. According to
+	 * the MPC5200 user's manual, the oscillator clock is the better
+	 * choice as it has less jitter. For this reason, it is selected
+	 * by default.
+	 */
+	clk_src = of_get_property(np, "fsl,mscan-clk-src", NULL);
+	if (clk_src && strcmp(clk_src, "ip") == 0)
+		clock_src = MSCAN_CLKSRC_BUS;
+	else
+		clock_src = MSCAN_CLKSRC_XTAL;
+	priv->can.clock.freq = mpc52xx_can_clock_freq(ofdev, clock_src);
+	if (!priv->can.clock.freq) {
+		dev_err(&ofdev->dev, "couldn't get MSCAN clock frequency\n");
+		err = -ENODEV;
+		goto exit_free_mscan;
+	}
+
+	SET_NETDEV_DEV(dev, &ofdev->dev);
+
+	err = register_mscandev(dev, clock_src);
+	if (err) {
+		dev_err(&ofdev->dev, "registering %s failed (err=%d)\n",
+			DRV_NAME, err);
+		goto exit_free_mscan;
+	}
+
+	dev_set_drvdata(&ofdev->dev, dev);
+
+	dev_info(&ofdev->dev, "MSCAN at 0x%p, irq %d, clock %d Hz\n",
+		 priv->reg_base, dev->irq, priv->can.clock.freq);
+
+	return 0;
+
+exit_free_mscan:
+	free_candev(dev);
+exit_dispose_irq:
+	irq_dispose_mapping(irq);
+exit_unmap_mem:
+	iounmap(base);
+exit_release_mem:
+	return err;
+}
+
+static int __devexit mpc5xxx_can_remove(struct of_device *ofdev)
+{
+	struct net_device *dev = dev_get_drvdata(&ofdev->dev);
+	struct mscan_priv *priv = netdev_priv(dev);
+
+	dev_set_drvdata(&ofdev->dev, NULL);
+
+	unregister_mscandev(dev);
+	iounmap(priv->reg_base);
+	irq_dispose_mapping(dev->irq);
+	free_candev(dev);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static struct mscan_regs saved_regs;
+static int mpc5xxx_can_suspend(struct of_device *ofdev, pm_message_t state)
+{
+	struct net_device *dev = dev_get_drvdata(&ofdev->dev);
+	struct mscan_priv *priv = netdev_priv(dev);
+	struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base;
+
+	_memcpy_fromio(&saved_regs, regs, sizeof(*regs));
+
+	return 0;
+}
+
+static int mpc5xxx_can_resume(struct of_device *ofdev)
+{
+	struct net_device *dev = dev_get_drvdata(&ofdev->dev);
+	struct mscan_priv *priv = netdev_priv(dev);
+	struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base;
+
+	regs->canctl0 |= MSCAN_INITRQ;
+	while ((regs->canctl1 & MSCAN_INITAK) == 0)
+		udelay(10);
+
+	regs->canctl1 = saved_regs.canctl1;
+	regs->canbtr0 = saved_regs.canbtr0;
+	regs->canbtr1 = saved_regs.canbtr1;
+	regs->canidac = saved_regs.canidac;
+
+	/* restore masks, buffers etc. */
+	_memcpy_toio(&regs->canidar1_0, (void *)&saved_regs.canidar1_0,
+		     sizeof(*regs) - offsetof(struct mscan_regs, canidar1_0));
+
+	regs->canctl0 &= ~MSCAN_INITRQ;
+	regs->cantbsel = saved_regs.cantbsel;
+	regs->canrier = saved_regs.canrier;
+	regs->cantier = saved_regs.cantier;
+	regs->canctl0 = saved_regs.canctl0;
+
+	return 0;
+}
+#endif
+
+static struct of_device_id __devinitdata mpc5xxx_can_table[] = {
+	{.compatible = "fsl,mpc5200-mscan"},
+	{.compatible = "fsl,mpc5200b-mscan"},
+	{},
+};
+
+static struct of_platform_driver mpc5xxx_can_driver = {
+	.owner = THIS_MODULE,
+	.name = "mpc5xxx_can",
+	.probe = mpc5xxx_can_probe,
+	.remove = __devexit_p(mpc5xxx_can_remove),
+#ifdef CONFIG_PM
+	.suspend = mpc5xxx_can_suspend,
+	.resume = mpc5xxx_can_resume,
+#endif
+	.match_table = mpc5xxx_can_table,
+};
+
+static int __init mpc5xxx_can_init(void)
+{
+	return of_register_platform_driver(&mpc5xxx_can_driver);
+}
+module_init(mpc5xxx_can_init);
+
+static void __exit mpc5xxx_can_exit(void)
+{
+	return of_unregister_platform_driver(&mpc5xxx_can_driver);
+};
+module_exit(mpc5xxx_can_exit);
+
+MODULE_AUTHOR("Wolfgang Grandegger <wg@grandegger.com>");
+MODULE_DESCRIPTION("Freescale MPC5200 CAN driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/net/can/mscan/mscan.c b/drivers/net/can/mscan/mscan.c
new file mode 100644
index 00000000000..49542cab9df
--- /dev/null
+++ b/drivers/net/can/mscan/mscan.c
@@ -0,0 +1,699 @@
+/*
+ * CAN bus driver for the alone generic (as possible as) MSCAN controller.
+ *
+ * Copyright (C) 2005-2006 Andrey Volkov <avolkov@varma-el.com>,
+ *                         Varma Electronics Oy
+ * Copyright (C) 2008-2009 Wolfgang Grandegger <wg@grandegger.com>
+ * Copytight (C) 2008-2009 Pengutronix <kernel@pengutronix.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the version 2 of the GNU General Public License
+ * as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/netdevice.h>
+#include <linux/if_arp.h>
+#include <linux/if_ether.h>
+#include <linux/list.h>
+#include <linux/can.h>
+#include <linux/can/dev.h>
+#include <linux/can/error.h>
+#include <linux/io.h>
+
+#include "mscan.h"
+
+#define MSCAN_NORMAL_MODE	0
+#define MSCAN_SLEEP_MODE	MSCAN_SLPRQ
+#define MSCAN_INIT_MODE		(MSCAN_INITRQ | MSCAN_SLPRQ)
+#define MSCAN_POWEROFF_MODE	(MSCAN_CSWAI | MSCAN_SLPRQ)
+#define MSCAN_SET_MODE_RETRIES	255
+#define MSCAN_ECHO_SKB_MAX	3
+
+#define BTR0_BRP_MASK		0x3f
+#define BTR0_SJW_SHIFT		6
+#define BTR0_SJW_MASK		(0x3 << BTR0_SJW_SHIFT)
+
+#define BTR1_TSEG1_MASK 	0xf
+#define BTR1_TSEG2_SHIFT	4
+#define BTR1_TSEG2_MASK 	(0x7 << BTR1_TSEG2_SHIFT)
+#define BTR1_SAM_SHIFT  	7
+
+#define BTR0_SET_BRP(brp)	(((brp) - 1) & BTR0_BRP_MASK)
+#define BTR0_SET_SJW(sjw)	((((sjw) - 1) << BTR0_SJW_SHIFT) & \
+				 BTR0_SJW_MASK)
+
+#define BTR1_SET_TSEG1(tseg1)	(((tseg1) - 1) &  BTR1_TSEG1_MASK)
+#define BTR1_SET_TSEG2(tseg2)	((((tseg2) - 1) << BTR1_TSEG2_SHIFT) & \
+				 BTR1_TSEG2_MASK)
+#define BTR1_SET_SAM(sam)	((sam) ? 1 << BTR1_SAM_SHIFT : 0)
+
+static struct can_bittiming_const mscan_bittiming_const = {
+	.name = "mscan",
+	.tseg1_min = 4,
+	.tseg1_max = 16,
+	.tseg2_min = 2,
+	.tseg2_max = 8,
+	.sjw_max = 4,
+	.brp_min = 1,
+	.brp_max = 64,
+	.brp_inc = 1,
+};
+
+struct mscan_state {
+	u8 mode;
+	u8 canrier;
+	u8 cantier;
+};
+
+#define F_RX_PROGRESS	0
+#define F_TX_PROGRESS	1
+#define F_TX_WAIT_ALL	2
+
+static enum can_state state_map[] = {
+	CAN_STATE_ERROR_ACTIVE,
+	CAN_STATE_ERROR_WARNING,
+	CAN_STATE_ERROR_PASSIVE,
+	CAN_STATE_BUS_OFF
+};
+
+static int mscan_set_mode(struct net_device *dev, u8 mode)
+{
+	struct mscan_priv *priv = netdev_priv(dev);
+	struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base;
+	int ret = 0;
+	int i;
+	u8 canctl1;
+
+	if (mode != MSCAN_NORMAL_MODE) {
+
+		if (priv->tx_active) {
+			/* Abort transfers before going to sleep */#
+			out_8(&regs->cantarq, priv->tx_active);
+			/* Suppress TX done interrupts */
+			out_8(&regs->cantier, 0);
+		}
+
+		canctl1 = in_8(&regs->canctl1);
+		if ((mode & MSCAN_SLPRQ) && (canctl1 & MSCAN_SLPAK) == 0) {
+			out_8(&regs->canctl0,
+			      in_8(&regs->canctl0) | MSCAN_SLPRQ);
+			for (i = 0; i < MSCAN_SET_MODE_RETRIES; i++) {
+				if (in_8(&regs->canctl1) & MSCAN_SLPAK)
+					break;
+				udelay(100);
+			}
+			/*
+			 * The mscan controller will fail to enter sleep mode,
+			 * while there are irregular activities on bus, like
+			 * somebody keeps retransmitting. This behavior is
+			 * undocumented and seems to differ between mscan built
+			 * in mpc5200b and mpc5200. We proceed in that case,
+			 * since otherwise the slprq will be kept set and the
+			 * controller will get stuck. NOTE: INITRQ or CSWAI
+			 * will abort all active transmit actions, if still
+			 * any, at once.
+			 */
+			if (i >= MSCAN_SET_MODE_RETRIES)
+				dev_dbg(dev->dev.parent,
+					"device failed to enter sleep mode. "
+					"We proceed anyhow.\n");
+			else
+				priv->can.state = CAN_STATE_SLEEPING;
+		}
+
+		if ((mode & MSCAN_INITRQ) && (canctl1 & MSCAN_INITAK) == 0) {
+			out_8(&regs->canctl0,
+			      in_8(&regs->canctl0) | MSCAN_INITRQ);
+			for (i = 0; i < MSCAN_SET_MODE_RETRIES; i++) {
+				if (in_8(&regs->canctl1) & MSCAN_INITAK)
+					break;
+			}
+			if (i >= MSCAN_SET_MODE_RETRIES)
+				ret = -ENODEV;
+		}
+		if (!ret)
+			priv->can.state = CAN_STATE_STOPPED;
+
+		if (mode & MSCAN_CSWAI)
+			out_8(&regs->canctl0,
+			      in_8(&regs->canctl0) | MSCAN_CSWAI);
+
+	} else {
+		canctl1 = in_8(&regs->canctl1);
+		if (canctl1 & (MSCAN_SLPAK | MSCAN_INITAK)) {
+			out_8(&regs->canctl0, in_8(&regs->canctl0) &
+			      ~(MSCAN_SLPRQ | MSCAN_INITRQ));
+			for (i = 0; i < MSCAN_SET_MODE_RETRIES; i++) {
+				canctl1 = in_8(&regs->canctl1);
+				if (!(canctl1 & (MSCAN_INITAK | MSCAN_SLPAK)))
+					break;
+			}
+			if (i >= MSCAN_SET_MODE_RETRIES)
+				ret = -ENODEV;
+			else
+				priv->can.state = CAN_STATE_ERROR_ACTIVE;
+		}
+	}
+	return ret;
+}
+
+static int mscan_start(struct net_device *dev)
+{
+	struct mscan_priv *priv = netdev_priv(dev);
+	struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base;
+	u8 canrflg;
+	int err;
+
+	out_8(&regs->canrier, 0);
+
+	INIT_LIST_HEAD(&priv->tx_head);
+	priv->prev_buf_id = 0;
+	priv->cur_pri = 0;
+	priv->tx_active = 0;
+	priv->shadow_canrier = 0;
+	priv->flags = 0;
+
+	err = mscan_set_mode(dev, MSCAN_NORMAL_MODE);
+	if (err)
+		return err;
+
+	canrflg = in_8(&regs->canrflg);
+	priv->shadow_statflg = canrflg & MSCAN_STAT_MSK;
+	priv->can.state = state_map[max(MSCAN_STATE_RX(canrflg),
+				    MSCAN_STATE_TX(canrflg))];
+	out_8(&regs->cantier, 0);
+
+	/* Enable receive interrupts. */
+	out_8(&regs->canrier, MSCAN_OVRIE | MSCAN_RXFIE | MSCAN_CSCIE |
+	      MSCAN_RSTATE1 | MSCAN_RSTATE0 | MSCAN_TSTATE1 | MSCAN_TSTATE0);
+
+	return 0;
+}
+
+static netdev_tx_t mscan_start_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+	struct can_frame *frame = (struct can_frame *)skb->data;
+	struct mscan_priv *priv = netdev_priv(dev);
+	struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base;
+	int i, rtr, buf_id;
+	u32 can_id;
+
+	if (frame->can_dlc > 8)
+		return -EINVAL;
+
+	out_8(&regs->cantier, 0);
+
+	i = ~priv->tx_active & MSCAN_TXE;
+	buf_id = ffs(i) - 1;
+	switch (hweight8(i)) {
+	case 0:
+		netif_stop_queue(dev);
+		dev_err(dev->dev.parent, "Tx Ring full when queue awake!\n");
+		return NETDEV_TX_BUSY;
+	case 1:
+		/*
+		 * if buf_id < 3, then current frame will be send out of order,
+		 * since buffer with lower id have higher priority (hell..)
+		 */
+		netif_stop_queue(dev);
+	case 2:
+		if (buf_id < priv->prev_buf_id) {
+			priv->cur_pri++;
+			if (priv->cur_pri == 0xff) {
+				set_bit(F_TX_WAIT_ALL, &priv->flags);
+				netif_stop_queue(dev);
+			}
+		}
+		set_bit(F_TX_PROGRESS, &priv->flags);
+		break;
+	}
+	priv->prev_buf_id = buf_id;
+	out_8(&regs->cantbsel, i);
+
+	rtr = frame->can_id & CAN_RTR_FLAG;
+
+	if (frame->can_id & CAN_EFF_FLAG) {
+		can_id = (frame->can_id & CAN_EFF_MASK) << 1;
+		if (rtr)
+			can_id |= 1;
+		out_be16(&regs->tx.idr3_2, can_id);
+
+		can_id >>= 16;
+		can_id = (can_id & 0x7) | ((can_id << 2) & 0xffe0) | (3 << 3);
+	} else {
+		can_id = (frame->can_id & CAN_SFF_MASK) << 5;
+		if (rtr)
+			can_id |= 1 << 4;
+	}
+	out_be16(&regs->tx.idr1_0, can_id);
+
+	if (!rtr) {
+		void __iomem *data = &regs->tx.dsr1_0;
+		u16 *payload = (u16 *) frame->data;
+		/* It is safe to write into dsr[dlc+1] */
+		for (i = 0; i < (frame->can_dlc + 1) / 2; i++) {
+			out_be16(data, *payload++);
+			data += 2 + _MSCAN_RESERVED_DSR_SIZE;
+		}
+	}
+
+	out_8(&regs->tx.dlr, frame->can_dlc);
+	out_8(&regs->tx.tbpr, priv->cur_pri);
+
+	/* Start transmission. */
+	out_8(&regs->cantflg, 1 << buf_id);
+
+	if (!test_bit(F_TX_PROGRESS, &priv->flags))
+		dev->trans_start = jiffies;
+
+	list_add_tail(&priv->tx_queue[buf_id].list, &priv->tx_head);
+
+	can_put_echo_skb(skb, dev, buf_id);
+
+	/* Enable interrupt. */
+	priv->tx_active |= 1 << buf_id;
+	out_8(&regs->cantier, priv->tx_active);
+
+	return NETDEV_TX_OK;
+}
+
+/* This function returns the old state to see where we came from */
+static enum can_state check_set_state(struct net_device *dev, u8 canrflg)
+{
+	struct mscan_priv *priv = netdev_priv(dev);
+	enum can_state state, old_state = priv->can.state;
+
+	if (canrflg & MSCAN_CSCIF && old_state <= CAN_STATE_BUS_OFF) {
+		state = state_map[max(MSCAN_STATE_RX(canrflg),
+				      MSCAN_STATE_TX(canrflg))];
+		priv->can.state = state;
+	}
+	return old_state;
+}
+
+static void mscan_get_rx_frame(struct net_device *dev, struct can_frame *frame)
+{
+	struct mscan_priv *priv = netdev_priv(dev);
+	struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base;
+	u32 can_id;
+	int i;
+
+	can_id = in_be16(&regs->rx.idr1_0);
+	if (can_id & (1 << 3)) {
+		frame->can_id = CAN_EFF_FLAG;
+		can_id = ((can_id << 16) | in_be16(&regs->rx.idr3_2));
+		can_id = ((can_id & 0xffe00000) |
+			  ((can_id & 0x7ffff) << 2)) >> 2;
+	} else {
+		can_id >>= 4;
+		frame->can_id = 0;
+	}
+
+	frame->can_id |= can_id >> 1;
+	if (can_id & 1)
+		frame->can_id |= CAN_RTR_FLAG;
+	frame->can_dlc = in_8(&regs->rx.dlr) & 0xf;
+
+	if (!(frame->can_id & CAN_RTR_FLAG)) {
+		void __iomem *data = &regs->rx.dsr1_0;
+		u16 *payload = (u16 *) frame->data;
+		for (i = 0; i < (frame->can_dlc + 1) / 2; i++) {
+			*payload++ = in_be16(data);
+			data += 2 + _MSCAN_RESERVED_DSR_SIZE;
+		}
+	}
+
+	out_8(&regs->canrflg, MSCAN_RXF);
+}
+
+static void mscan_get_err_frame(struct net_device *dev, struct can_frame *frame,
+				u8 canrflg)
+{
+	struct mscan_priv *priv = netdev_priv(dev);
+	struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base;
+	struct net_device_stats *stats = &dev->stats;
+	enum can_state old_state;
+
+	dev_dbg(dev->dev.parent, "error interrupt (canrflg=%#x)\n", canrflg);
+	frame->can_id = CAN_ERR_FLAG;
+
+	if (canrflg & MSCAN_OVRIF) {
+		frame->can_id |= CAN_ERR_CRTL;
+		frame->data[1] = CAN_ERR_CRTL_RX_OVERFLOW;
+		stats->rx_over_errors++;
+		stats->rx_errors++;
+	} else
+		frame->data[1] = 0;
+
+	old_state = check_set_state(dev, canrflg);
+	/* State changed */
+	if (old_state != priv->can.state) {
+		switch (priv->can.state) {
+		case CAN_STATE_ERROR_WARNING:
+			frame->can_id |= CAN_ERR_CRTL;
+			priv->can.can_stats.error_warning++;
+			if ((priv->shadow_statflg & MSCAN_RSTAT_MSK) <
+			    (canrflg & MSCAN_RSTAT_MSK))
+				frame->data[1] |= CAN_ERR_CRTL_RX_WARNING;
+
+			if ((priv->shadow_statflg & MSCAN_TSTAT_MSK) <
+			    (canrflg & MSCAN_TSTAT_MSK))
+				frame->data[1] |= CAN_ERR_CRTL_TX_WARNING;
+			break;
+		case CAN_STATE_ERROR_PASSIVE:
+			frame->can_id |= CAN_ERR_CRTL;
+			priv->can.can_stats.error_passive++;
+			frame->data[1] |= CAN_ERR_CRTL_RX_PASSIVE;
+			break;
+		case CAN_STATE_BUS_OFF:
+			frame->can_id |= CAN_ERR_BUSOFF;
+			/*
+			 * The MSCAN on the MPC5200 does recover from bus-off
+			 * automatically. To avoid that we stop the chip doing
+			 * a light-weight stop (we are in irq-context).
+			 */
+			out_8(&regs->cantier, 0);
+			out_8(&regs->canrier, 0);
+			out_8(&regs->canctl0, in_8(&regs->canctl0) |
+				MSCAN_SLPRQ | MSCAN_INITRQ);
+			can_bus_off(dev);
+			break;
+		default:
+			break;
+		}
+	}
+	priv->shadow_statflg = canrflg & MSCAN_STAT_MSK;
+	frame->can_dlc = CAN_ERR_DLC;
+	out_8(&regs->canrflg, MSCAN_ERR_IF);
+}
+
+static int mscan_rx_poll(struct napi_struct *napi, int quota)
+{
+	struct mscan_priv *priv = container_of(napi, struct mscan_priv, napi);
+	struct net_device *dev = napi->dev;
+	struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base;
+	struct net_device_stats *stats = &dev->stats;
+	int npackets = 0;
+	int ret = 1;
+	struct sk_buff *skb;
+	struct can_frame *frame;
+	u8 canrflg;
+
+	while (npackets < quota && ((canrflg = in_8(&regs->canrflg)) &
+				    (MSCAN_RXF | MSCAN_ERR_IF))) {
+
+		skb = alloc_can_skb(dev, &frame);
+		if (!skb) {
+			if (printk_ratelimit())
+				dev_notice(dev->dev.parent, "packet dropped\n");
+			stats->rx_dropped++;
+			out_8(&regs->canrflg, canrflg);
+			continue;
+		}
+
+		if (canrflg & MSCAN_RXF)
+			mscan_get_rx_frame(dev, frame);
+		 else if (canrflg & MSCAN_ERR_IF)
+			mscan_get_err_frame(dev, frame, canrflg);
+
+		stats->rx_packets++;
+		stats->rx_bytes += frame->can_dlc;
+		npackets++;
+		netif_receive_skb(skb);
+	}
+
+	if (!(in_8(&regs->canrflg) & (MSCAN_RXF | MSCAN_ERR_IF))) {
+		napi_complete(&priv->napi);
+		clear_bit(F_RX_PROGRESS, &priv->flags);
+		if (priv->can.state < CAN_STATE_BUS_OFF)
+			out_8(&regs->canrier, priv->shadow_canrier);
+		ret = 0;
+	}
+	return ret;
+}
+
+static irqreturn_t mscan_isr(int irq, void *dev_id)
+{
+	struct net_device *dev = (struct net_device *)dev_id;
+	struct mscan_priv *priv = netdev_priv(dev);
+	struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base;
+	struct net_device_stats *stats = &dev->stats;
+	u8 cantier, cantflg, canrflg;
+	irqreturn_t ret = IRQ_NONE;
+
+	cantier = in_8(&regs->cantier) & MSCAN_TXE;
+	cantflg = in_8(&regs->cantflg) & cantier;
+
+	if (cantier && cantflg) {
+
+		struct list_head *tmp, *pos;
+
+		list_for_each_safe(pos, tmp, &priv->tx_head) {
+			struct tx_queue_entry *entry =
+			    list_entry(pos, struct tx_queue_entry, list);
+			u8 mask = entry->mask;
+
+			if (!(cantflg & mask))
+				continue;
+
+			out_8(&regs->cantbsel, mask);
+			stats->tx_bytes += in_8(&regs->tx.dlr);
+			stats->tx_packets++;
+			can_get_echo_skb(dev, entry->id);
+			priv->tx_active &= ~mask;
+			list_del(pos);
+		}
+
+		if (list_empty(&priv->tx_head)) {
+			clear_bit(F_TX_WAIT_ALL, &priv->flags);
+			clear_bit(F_TX_PROGRESS, &priv->flags);
+			priv->cur_pri = 0;
+		} else
+			dev->trans_start = jiffies;
+
+		if (!test_bit(F_TX_WAIT_ALL, &priv->flags))
+			netif_wake_queue(dev);
+
+		out_8(&regs->cantier, priv->tx_active);
+		ret = IRQ_HANDLED;
+	}
+
+	canrflg = in_8(&regs->canrflg);
+	if ((canrflg & ~MSCAN_STAT_MSK) &&
+	    !test_and_set_bit(F_RX_PROGRESS, &priv->flags)) {
+		if (canrflg & ~MSCAN_STAT_MSK) {
+			priv->shadow_canrier = in_8(&regs->canrier);
+			out_8(&regs->canrier, 0);
+			napi_schedule(&priv->napi);
+			ret = IRQ_HANDLED;
+		} else
+			clear_bit(F_RX_PROGRESS, &priv->flags);
+	}
+	return ret;
+}
+
+static int mscan_do_set_mode(struct net_device *dev, enum can_mode mode)
+{
+
+	struct mscan_priv *priv = netdev_priv(dev);
+	int ret = 0;
+
+	if (!priv->open_time)
+		return -EINVAL;
+
+	switch (mode) {
+	case CAN_MODE_SLEEP:
+	case CAN_MODE_STOP:
+		netif_stop_queue(dev);
+		mscan_set_mode(dev,
+			       (mode ==
+				CAN_MODE_STOP) ? MSCAN_INIT_MODE :
+			       MSCAN_SLEEP_MODE);
+		break;
+	case CAN_MODE_START:
+		if (priv->can.state <= CAN_STATE_BUS_OFF)
+			mscan_set_mode(dev, MSCAN_INIT_MODE);
+		ret = mscan_start(dev);
+		if (ret)
+			break;
+		if (netif_queue_stopped(dev))
+			netif_wake_queue(dev);
+		break;
+
+	default:
+		ret = -EOPNOTSUPP;
+		break;
+	}
+	return ret;
+}
+
+static int mscan_do_set_bittiming(struct net_device *dev)
+{
+	struct mscan_priv *priv = netdev_priv(dev);
+	struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base;
+	struct can_bittiming *bt = &priv->can.bittiming;
+	u8 btr0, btr1;
+
+	btr0 = BTR0_SET_BRP(bt->brp) | BTR0_SET_SJW(bt->sjw);
+	btr1 = (BTR1_SET_TSEG1(bt->prop_seg + bt->phase_seg1) |
+		BTR1_SET_TSEG2(bt->phase_seg2) |
+		BTR1_SET_SAM(priv->can.ctrlmode & CAN_CTRLMODE_3_SAMPLES));
+
+	dev_info(dev->dev.parent, "setting BTR0=0x%02x BTR1=0x%02x\n",
+		btr0, btr1);
+
+	out_8(&regs->canbtr0, btr0);
+	out_8(&regs->canbtr1, btr1);
+
+	return 0;
+}
+
+static int mscan_open(struct net_device *dev)
+{
+	int ret;
+	struct mscan_priv *priv = netdev_priv(dev);
+	struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base;
+
+	/* common open */
+	ret = open_candev(dev);
+	if (ret)
+		return ret;
+
+	napi_enable(&priv->napi);
+
+	ret = request_irq(dev->irq, mscan_isr, 0, dev->name, dev);
+	if (ret < 0) {
+		napi_disable(&priv->napi);
+		printk(KERN_ERR "%s - failed to attach interrupt\n",
+		       dev->name);
+		return ret;
+	}
+
+	priv->open_time = jiffies;
+
+	out_8(&regs->canctl1, in_8(&regs->canctl1) & ~MSCAN_LISTEN);
+
+	ret = mscan_start(dev);
+	if (ret)
+		return ret;
+
+	netif_start_queue(dev);
+
+	return 0;
+}
+
+static int mscan_close(struct net_device *dev)
+{
+	struct mscan_priv *priv = netdev_priv(dev);
+	struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base;
+
+	netif_stop_queue(dev);
+	napi_disable(&priv->napi);
+
+	out_8(&regs->cantier, 0);
+	out_8(&regs->canrier, 0);
+	mscan_set_mode(dev, MSCAN_INIT_MODE);
+	close_candev(dev);
+	free_irq(dev->irq, dev);
+	priv->open_time = 0;
+
+	return 0;
+}
+
+static const struct net_device_ops mscan_netdev_ops = {
+       .ndo_open               = mscan_open,
+       .ndo_stop               = mscan_close,
+       .ndo_start_xmit         = mscan_start_xmit,
+};
+
+int register_mscandev(struct net_device *dev, int clock_src)
+{
+	struct mscan_priv *priv = netdev_priv(dev);
+	struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base;
+	u8 ctl1;
+
+	ctl1 = in_8(&regs->canctl1);
+	if (clock_src)
+		ctl1 |= MSCAN_CLKSRC;
+	else
+		ctl1 &= ~MSCAN_CLKSRC;
+
+	ctl1 |= MSCAN_CANE;
+	out_8(&regs->canctl1, ctl1);
+	udelay(100);
+
+	/* acceptance mask/acceptance code (accept everything) */
+	out_be16(&regs->canidar1_0, 0);
+	out_be16(&regs->canidar3_2, 0);
+	out_be16(&regs->canidar5_4, 0);
+	out_be16(&regs->canidar7_6, 0);
+
+	out_be16(&regs->canidmr1_0, 0xffff);
+	out_be16(&regs->canidmr3_2, 0xffff);
+	out_be16(&regs->canidmr5_4, 0xffff);
+	out_be16(&regs->canidmr7_6, 0xffff);
+	/* Two 32 bit Acceptance Filters */
+	out_8(&regs->canidac, MSCAN_AF_32BIT);
+
+	mscan_set_mode(dev, MSCAN_INIT_MODE);
+
+	return register_candev(dev);
+}
+EXPORT_SYMBOL_GPL(register_mscandev);
+
+void unregister_mscandev(struct net_device *dev)
+{
+	struct mscan_priv *priv = netdev_priv(dev);
+	struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base;
+	mscan_set_mode(dev, MSCAN_INIT_MODE);
+	out_8(&regs->canctl1, in_8(&regs->canctl1) & ~MSCAN_CANE);
+	unregister_candev(dev);
+}
+EXPORT_SYMBOL_GPL(unregister_mscandev);
+
+struct net_device *alloc_mscandev(void)
+{
+	struct net_device *dev;
+	struct mscan_priv *priv;
+	int i;
+
+	dev = alloc_candev(sizeof(struct mscan_priv), MSCAN_ECHO_SKB_MAX);
+	if (!dev)
+		return NULL;
+	priv = netdev_priv(dev);
+
+	dev->netdev_ops = &mscan_netdev_ops;
+
+	dev->flags |= IFF_ECHO;	/* we support local echo */
+
+	netif_napi_add(dev, &priv->napi, mscan_rx_poll, 8);
+
+	priv->can.bittiming_const = &mscan_bittiming_const;
+	priv->can.do_set_bittiming = mscan_do_set_bittiming;
+	priv->can.do_set_mode = mscan_do_set_mode;
+
+	for (i = 0; i < TX_QUEUE_SIZE; i++) {
+		priv->tx_queue[i].id = i;
+		priv->tx_queue[i].mask = 1 << i;
+	}
+
+	return dev;
+}
+EXPORT_SYMBOL_GPL(alloc_mscandev);
+
+MODULE_AUTHOR("Andrey Volkov <avolkov@varma-el.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("CAN port driver for a MSCAN based chips");
diff --git a/drivers/net/can/mscan/mscan.h b/drivers/net/can/mscan/mscan.h
new file mode 100644
index 00000000000..57820f5fb81
--- /dev/null
+++ b/drivers/net/can/mscan/mscan.h
@@ -0,0 +1,262 @@
+/*
+ * Definitions of consts/structs to drive the Freescale MSCAN.
+ *
+ * Copyright (C) 2005-2006 Andrey Volkov <avolkov@varma-el.com>,
+ *                         Varma Electronics Oy
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the version 2 of the GNU General Public License
+ * as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef __MSCAN_H__
+#define __MSCAN_H__
+
+#include <linux/types.h>
+
+/* MSCAN control register 0 (CANCTL0) bits */
+#define MSCAN_RXFRM		0x80
+#define MSCAN_RXACT		0x40
+#define MSCAN_CSWAI		0x20
+#define MSCAN_SYNCH		0x10
+#define MSCAN_TIME		0x08
+#define MSCAN_WUPE		0x04
+#define MSCAN_SLPRQ		0x02
+#define MSCAN_INITRQ		0x01
+
+/* MSCAN control register 1 (CANCTL1) bits */
+#define MSCAN_CANE		0x80
+#define MSCAN_CLKSRC		0x40
+#define MSCAN_LOOPB		0x20
+#define MSCAN_LISTEN		0x10
+#define MSCAN_WUPM		0x04
+#define MSCAN_SLPAK		0x02
+#define MSCAN_INITAK		0x01
+
+/* Use the MPC5200 MSCAN variant? */
+#ifdef CONFIG_PPC
+#define MSCAN_FOR_MPC5200
+#endif
+
+#ifdef MSCAN_FOR_MPC5200
+#define MSCAN_CLKSRC_BUS	0
+#define MSCAN_CLKSRC_XTAL	MSCAN_CLKSRC
+#else
+#define MSCAN_CLKSRC_BUS	MSCAN_CLKSRC
+#define MSCAN_CLKSRC_XTAL	0
+#endif
+
+/* MSCAN receiver flag register (CANRFLG) bits */
+#define MSCAN_WUPIF		0x80
+#define MSCAN_CSCIF		0x40
+#define MSCAN_RSTAT1		0x20
+#define MSCAN_RSTAT0		0x10
+#define MSCAN_TSTAT1		0x08
+#define MSCAN_TSTAT0		0x04
+#define MSCAN_OVRIF		0x02
+#define MSCAN_RXF		0x01
+#define MSCAN_ERR_IF 		(MSCAN_OVRIF | MSCAN_CSCIF)
+#define MSCAN_RSTAT_MSK		(MSCAN_RSTAT1 | MSCAN_RSTAT0)
+#define MSCAN_TSTAT_MSK		(MSCAN_TSTAT1 | MSCAN_TSTAT0)
+#define MSCAN_STAT_MSK		(MSCAN_RSTAT_MSK | MSCAN_TSTAT_MSK)
+
+#define MSCAN_STATE_BUS_OFF	(MSCAN_RSTAT1 | MSCAN_RSTAT0 | \
+				 MSCAN_TSTAT1 | MSCAN_TSTAT0)
+#define MSCAN_STATE_TX(canrflg)	(((canrflg)&MSCAN_TSTAT_MSK)>>2)
+#define MSCAN_STATE_RX(canrflg)	(((canrflg)&MSCAN_RSTAT_MSK)>>4)
+#define MSCAN_STATE_ACTIVE	0
+#define MSCAN_STATE_WARNING	1
+#define MSCAN_STATE_PASSIVE	2
+#define MSCAN_STATE_BUSOFF	3
+
+/* MSCAN receiver interrupt enable register (CANRIER) bits */
+#define MSCAN_WUPIE		0x80
+#define MSCAN_CSCIE		0x40
+#define MSCAN_RSTATE1		0x20
+#define MSCAN_RSTATE0		0x10
+#define MSCAN_TSTATE1		0x08
+#define MSCAN_TSTATE0		0x04
+#define MSCAN_OVRIE		0x02
+#define MSCAN_RXFIE		0x01
+
+/* MSCAN transmitter flag register (CANTFLG) bits */
+#define MSCAN_TXE2		0x04
+#define MSCAN_TXE1		0x02
+#define MSCAN_TXE0		0x01
+#define MSCAN_TXE		(MSCAN_TXE2 | MSCAN_TXE1 | MSCAN_TXE0)
+
+/* MSCAN transmitter interrupt enable register (CANTIER) bits */
+#define MSCAN_TXIE2		0x04
+#define MSCAN_TXIE1		0x02
+#define MSCAN_TXIE0		0x01
+#define MSCAN_TXIE		(MSCAN_TXIE2 | MSCAN_TXIE1 | MSCAN_TXIE0)
+
+/* MSCAN transmitter message abort request (CANTARQ) bits */
+#define MSCAN_ABTRQ2		0x04
+#define MSCAN_ABTRQ1		0x02
+#define MSCAN_ABTRQ0		0x01
+
+/* MSCAN transmitter message abort ack (CANTAAK) bits */
+#define MSCAN_ABTAK2		0x04
+#define MSCAN_ABTAK1		0x02
+#define MSCAN_ABTAK0		0x01
+
+/* MSCAN transmit buffer selection (CANTBSEL) bits */
+#define MSCAN_TX2		0x04
+#define MSCAN_TX1		0x02
+#define MSCAN_TX0		0x01
+
+/* MSCAN ID acceptance control register (CANIDAC) bits */
+#define MSCAN_IDAM1		0x20
+#define MSCAN_IDAM0		0x10
+#define MSCAN_IDHIT2		0x04
+#define MSCAN_IDHIT1		0x02
+#define MSCAN_IDHIT0		0x01
+
+#define MSCAN_AF_32BIT		0x00
+#define MSCAN_AF_16BIT		MSCAN_IDAM0
+#define MSCAN_AF_8BIT		MSCAN_IDAM1
+#define MSCAN_AF_CLOSED		(MSCAN_IDAM0|MSCAN_IDAM1)
+#define MSCAN_AF_MASK		(~(MSCAN_IDAM0|MSCAN_IDAM1))
+
+/* MSCAN Miscellaneous Register (CANMISC) bits */
+#define MSCAN_BOHOLD		0x01
+
+#ifdef MSCAN_FOR_MPC5200
+#define _MSCAN_RESERVED_(n, num) u8 _res##n[num]
+#define _MSCAN_RESERVED_DSR_SIZE	2
+#else
+#define _MSCAN_RESERVED_(n, num)
+#define _MSCAN_RESERVED_DSR_SIZE	0
+#endif
+
+/* Structure of the hardware registers */
+struct mscan_regs {
+	/* (see doc S12MSCANV3/D)		  MPC5200    MSCAN */
+	u8 canctl0;				/* + 0x00     0x00 */
+	u8 canctl1;				/* + 0x01     0x01 */
+	_MSCAN_RESERVED_(1, 2);			/* + 0x02          */
+	u8 canbtr0;				/* + 0x04     0x02 */
+	u8 canbtr1;				/* + 0x05     0x03 */
+	_MSCAN_RESERVED_(2, 2);			/* + 0x06          */
+	u8 canrflg;				/* + 0x08     0x04 */
+	u8 canrier;				/* + 0x09     0x05 */
+	_MSCAN_RESERVED_(3, 2);			/* + 0x0a          */
+	u8 cantflg;				/* + 0x0c     0x06 */
+	u8 cantier;				/* + 0x0d     0x07 */
+	_MSCAN_RESERVED_(4, 2);			/* + 0x0e          */
+	u8 cantarq;				/* + 0x10     0x08 */
+	u8 cantaak;				/* + 0x11     0x09 */
+	_MSCAN_RESERVED_(5, 2);			/* + 0x12          */
+	u8 cantbsel;				/* + 0x14     0x0a */
+	u8 canidac;				/* + 0x15     0x0b */
+	u8 reserved;				/* + 0x16     0x0c */
+	_MSCAN_RESERVED_(6, 5);			/* + 0x17          */
+#ifndef MSCAN_FOR_MPC5200
+	u8 canmisc;				/*            0x0d */
+#endif
+	u8 canrxerr;				/* + 0x1c     0x0e */
+	u8 cantxerr;				/* + 0x1d     0x0f */
+	_MSCAN_RESERVED_(7, 2);			/* + 0x1e          */
+	u16 canidar1_0;				/* + 0x20     0x10 */
+	_MSCAN_RESERVED_(8, 2);			/* + 0x22          */
+	u16 canidar3_2;				/* + 0x24     0x12 */
+	_MSCAN_RESERVED_(9, 2);			/* + 0x26          */
+	u16 canidmr1_0;				/* + 0x28     0x14 */
+	_MSCAN_RESERVED_(10, 2);		/* + 0x2a          */
+	u16 canidmr3_2;				/* + 0x2c     0x16 */
+	_MSCAN_RESERVED_(11, 2);		/* + 0x2e          */
+	u16 canidar5_4;				/* + 0x30     0x18 */
+	_MSCAN_RESERVED_(12, 2);		/* + 0x32          */
+	u16 canidar7_6;				/* + 0x34     0x1a */
+	_MSCAN_RESERVED_(13, 2);		/* + 0x36          */
+	u16 canidmr5_4;				/* + 0x38     0x1c */
+	_MSCAN_RESERVED_(14, 2);		/* + 0x3a          */
+	u16 canidmr7_6;				/* + 0x3c     0x1e */
+	_MSCAN_RESERVED_(15, 2);		/* + 0x3e          */
+	struct {
+		u16 idr1_0;			/* + 0x40     0x20 */
+		 _MSCAN_RESERVED_(16, 2);	/* + 0x42          */
+		u16 idr3_2;			/* + 0x44     0x22 */
+		 _MSCAN_RESERVED_(17, 2);	/* + 0x46          */
+		u16 dsr1_0;			/* + 0x48     0x24 */
+		 _MSCAN_RESERVED_(18, 2);	/* + 0x4a          */
+		u16 dsr3_2;			/* + 0x4c     0x26 */
+		 _MSCAN_RESERVED_(19, 2);	/* + 0x4e          */
+		u16 dsr5_4;			/* + 0x50     0x28 */
+		 _MSCAN_RESERVED_(20, 2);	/* + 0x52          */
+		u16 dsr7_6;			/* + 0x54     0x2a */
+		 _MSCAN_RESERVED_(21, 2);	/* + 0x56          */
+		u8 dlr;				/* + 0x58     0x2c */
+		 u8:8;				/* + 0x59     0x2d */
+		 _MSCAN_RESERVED_(22, 2);	/* + 0x5a          */
+		u16 time;			/* + 0x5c     0x2e */
+	} rx;
+	 _MSCAN_RESERVED_(23, 2);		/* + 0x5e          */
+	struct {
+		u16 idr1_0;			/* + 0x60     0x30 */
+		 _MSCAN_RESERVED_(24, 2);	/* + 0x62          */
+		u16 idr3_2;			/* + 0x64     0x32 */
+		 _MSCAN_RESERVED_(25, 2);	/* + 0x66          */
+		u16 dsr1_0;			/* + 0x68     0x34 */
+		 _MSCAN_RESERVED_(26, 2);	/* + 0x6a          */
+		u16 dsr3_2;			/* + 0x6c     0x36 */
+		 _MSCAN_RESERVED_(27, 2);	/* + 0x6e          */
+		u16 dsr5_4;			/* + 0x70     0x38 */
+		 _MSCAN_RESERVED_(28, 2);	/* + 0x72          */
+		u16 dsr7_6;			/* + 0x74     0x3a */
+		 _MSCAN_RESERVED_(29, 2);	/* + 0x76          */
+		u8 dlr;				/* + 0x78     0x3c */
+		u8 tbpr;			/* + 0x79     0x3d */
+		 _MSCAN_RESERVED_(30, 2);	/* + 0x7a          */
+		u16 time;			/* + 0x7c     0x3e */
+	} tx;
+	 _MSCAN_RESERVED_(31, 2);		/* + 0x7e          */
+} __attribute__ ((packed));
+
+#undef _MSCAN_RESERVED_
+#define MSCAN_REGION 	sizeof(struct mscan)
+
+#define TX_QUEUE_SIZE	3
+
+struct tx_queue_entry {
+	struct list_head list;
+	u8 mask;
+	u8 id;
+};
+
+struct mscan_priv {
+	struct can_priv can;	/* must be the first member */
+	long open_time;
+	unsigned long flags;
+	void __iomem *reg_base;	/* ioremap'ed address to registers */
+	u8 shadow_statflg;
+	u8 shadow_canrier;
+	u8 cur_pri;
+	u8 prev_buf_id;
+	u8 tx_active;
+
+	struct list_head tx_head;
+	struct tx_queue_entry tx_queue[TX_QUEUE_SIZE];
+	struct napi_struct napi;
+};
+
+struct net_device *alloc_mscandev(void);
+/*
+ * clock_src:
+ *	1 = The MSCAN clock source is the onchip Bus Clock.
+ *	0 = The MSCAN clock source is the chip Oscillator Clock.
+ */
+extern int register_mscandev(struct net_device *dev, int clock_src);
+extern void unregister_mscandev(struct net_device *dev);
+
+#endif /* __MSCAN_H__ */
-- 
GitLab


From 6e17e8b9fb74b9fb9f6ea331f7f4a049c5b4c4b8 Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Sat, 14 Nov 2009 09:02:48 -0800
Subject: [PATCH 1243/1815] alpha: Fixup recvmmsg syscall glue

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 arch/alpha/include/asm/unistd.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/alpha/include/asm/unistd.h b/arch/alpha/include/asm/unistd.h
index 5b5c1748594..7f23665122d 100644
--- a/arch/alpha/include/asm/unistd.h
+++ b/arch/alpha/include/asm/unistd.h
@@ -433,10 +433,11 @@
 #define __NR_signalfd			476
 #define __NR_timerfd			477
 #define __NR_eventfd			478
+#define __NR_recvmmsg			479
 
 #ifdef __KERNEL__
 
-#define NR_SYSCALLS			479
+#define NR_SYSCALLS			480
 
 #define __ARCH_WANT_IPC_PARSE_VERSION
 #define __ARCH_WANT_OLD_READDIR
-- 
GitLab


From 07c3c4ee3a4143d0c8bb2e260c089bf012cf2c6e Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Sun, 15 Nov 2009 21:13:21 -0800
Subject: [PATCH 1244/1815] hamradio/mkiss: fix typo in compat_ioctl

My last commit introduced an typo causing the
compat_ioctl function to do nothing useful.
The obvious way for an ioctl function to work
is to look at the command, not the argument first.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/hamradio/mkiss.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c
index fc9c57893f8..7db0a1c3216 100644
--- a/drivers/net/hamradio/mkiss.c
+++ b/drivers/net/hamradio/mkiss.c
@@ -903,7 +903,7 @@ static int mkiss_ioctl(struct tty_struct *tty, struct file *file,
 static long mkiss_compat_ioctl(struct tty_struct *tty, struct file *file,
 	unsigned int cmd, unsigned long arg)
 {
-	switch (arg) {
+	switch (cmd) {
 	case SIOCGIFNAME:
 	case SIOCGIFENCAP:
 	case SIOCSIFENCAP:
-- 
GitLab


From 9c2b5bdee125d840b2023dcc7625353c8e5bb10c Mon Sep 17 00:00:00 2001
From: Amit Kumar Salecha <amit.salecha@qlogic.com>
Date: Fri, 13 Nov 2009 16:37:37 +0000
Subject: [PATCH 1245/1815] netxen: update MAINTAINERS

Changing MAINTAINERS for netxen nic driver.

Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 MAINTAINERS | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index 7f2f29cf75f..fe1cd41b660 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3704,9 +3704,9 @@ F:	include/linux/if_*
 F:	include/linux/*device.h
 
 NETXEN (1/10) GbE SUPPORT
-M:	Dhananjay Phadke <dhananjay@netxen.com>
+M:	Amit Kumar Salecha <amit.salecha@qlogic.com>
 L:	netdev@vger.kernel.org
-W:	http://www.netxen.com
+W:	http://www.qlogic.com
 S:	Supported
 F:	drivers/net/netxen/
 
-- 
GitLab


From ed04642f753b1240fc65c2978b7365e93209972a Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 13 Nov 2009 21:54:04 +0000
Subject: [PATCH 1246/1815] net: check the return value of ndo_select_queue()

Check the return value of ndo_select_queue(). If the value isn't smaller
than the real_num_tx_queues, print a warning message, and reset it to zero.

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
----
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/dev.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/net/core/dev.c b/net/core/dev.c
index 548340b5729..32045df1da5 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1848,6 +1848,20 @@ u16 skb_tx_hash(const struct net_device *dev, const struct sk_buff *skb)
 }
 EXPORT_SYMBOL(skb_tx_hash);
 
+static inline u16 dev_cap_txqueue(struct net_device *dev, u16 queue_index)
+{
+	if (unlikely(queue_index >= dev->real_num_tx_queues)) {
+		if (net_ratelimit()) {
+			WARN(1, "%s selects TX queue %d, but "
+			     "real number of TX queues is %d\n",
+			     dev->name, queue_index,
+			     dev->real_num_tx_queues);
+		}
+		return 0;
+	}
+	return queue_index;
+}
+
 static struct netdev_queue *dev_pick_tx(struct net_device *dev,
 					struct sk_buff *skb)
 {
@@ -1861,6 +1875,7 @@ static struct netdev_queue *dev_pick_tx(struct net_device *dev,
 
 		if (ops->ndo_select_queue) {
 			queue_index = ops->ndo_select_queue(dev, skb);
+			queue_index = dev_cap_txqueue(dev, queue_index);
 		} else {
 			queue_index = 0;
 			if (dev->real_num_tx_queues > 1)
-- 
GitLab


From 11e2521701681452f54f0e98ee2041da07d24c70 Mon Sep 17 00:00:00 2001
From: Tomas Winkler <tomas.winkler@intel.com>
Date: Sat, 14 Nov 2009 08:36:35 +0000
Subject: [PATCH 1247/1815] iwmc3200top: use prefered style for the device
 table.

Use device id number directly accompany with
comment rather then a #define

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/misc/iwmc3200top/main.c | 14 +++-----------
 1 file changed, 3 insertions(+), 11 deletions(-)

diff --git a/drivers/misc/iwmc3200top/main.c b/drivers/misc/iwmc3200top/main.c
index 6e4e49113ab..a1ce97ef0be 100644
--- a/drivers/misc/iwmc3200top/main.c
+++ b/drivers/misc/iwmc3200top/main.c
@@ -62,15 +62,6 @@ MODULE_VERSION(DRIVER_VERSION);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR(DRIVER_COPYRIGHT);
 
-
-/* FIXME: These can be found in sdio_ids.h in newer kernels */
-#ifndef SDIO_INTEL_VENDOR_ID
-#define SDIO_INTEL_VENDOR_ID			0x0089
-#endif
-#ifndef SDIO_DEVICE_ID_INTEL_IWMC3200TOP
-#define SDIO_DEVICE_ID_INTEL_IWMC3200TOP	0x1404
-#endif
-
 /*
  * This workers main task is to wait for OP_OPR_ALIVE
  * from TOP FW until ALIVE_MSG_TIMOUT timeout is elapsed.
@@ -662,8 +653,9 @@ static void iwmct_remove(struct sdio_func *func)
 
 
 static const struct sdio_device_id iwmct_ids[] = {
-	{ SDIO_DEVICE(SDIO_INTEL_VENDOR_ID, SDIO_DEVICE_ID_INTEL_IWMC3200TOP)},
-	{ /* end: all zeroes */	},
+	/* Intel Wireless MultiCom 3200 Top Driver */
+	{ SDIO_DEVICE(SDIO_VENDOR_ID_INTEL, 0x1404)},
+	{ },	/* Terminating entry */
 };
 
 MODULE_DEVICE_TABLE(sdio, iwmct_ids);
-- 
GitLab


From cb43e23435a66d5ed90f804af9efe9096503979f Mon Sep 17 00:00:00 2001
From: Tomas Winkler <tomas.winkler@intel.com>
Date: Sat, 14 Nov 2009 08:36:36 +0000
Subject: [PATCH 1248/1815] iwmc3200top: simplify the driver version

drop the version parts not needed for in-tree driver

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/misc/iwmc3200top/main.c | 16 +---------------
 1 file changed, 1 insertion(+), 15 deletions(-)

diff --git a/drivers/misc/iwmc3200top/main.c b/drivers/misc/iwmc3200top/main.c
index a1ce97ef0be..02b3dadc8ab 100644
--- a/drivers/misc/iwmc3200top/main.c
+++ b/drivers/misc/iwmc3200top/main.c
@@ -41,21 +41,7 @@
 #define DRIVER_DESCRIPTION "Intel(R) IWMC 3200 Top Driver"
 #define DRIVER_COPYRIGHT "Copyright (c) 2008 Intel Corporation."
 
-#define IWMCT_VERSION "0.1.62"
-
-#ifdef REPOSITORY_LABEL
-#define RL REPOSITORY_LABEL
-#else
-#define RL local
-#endif
-
-#ifdef CONFIG_IWMC3200TOP_DEBUG
-#define VD "-d"
-#else
-#define VD
-#endif
-
-#define DRIVER_VERSION IWMCT_VERSION "-"  __stringify(RL) VD
+#define DRIVER_VERSION  "0.1.62"
 
 MODULE_DESCRIPTION(DRIVER_DESCRIPTION);
 MODULE_VERSION(DRIVER_VERSION);
-- 
GitLab


From 9a1654ba0b50402a6bd03c7b0fe9b0200a5ea7b1 Mon Sep 17 00:00:00 2001
From: Jarek Poplawski <jarkao2@gmail.com>
Date: Sun, 15 Nov 2009 07:20:12 +0000
Subject: [PATCH 1249/1815] net: Optimize hard_start_xmit() return checking

Recent changes in the TX error propagation require additional checking
and masking of values returned from hard_start_xmit(), mainly to
separate cases where skb was consumed. This aim can be simplified by
changing the order of NETDEV_TX and NET_XMIT codes, because the latter
are treated similarly to negative (ERRNO) values.

After this change much simpler dev_xmit_complete() is also used in
sch_direct_xmit(), so it is moved to netdevice.h.

Additionally NET_RX definitions in netdevice.h are moved up from
between TX codes to avoid confusion while reading the TX comment.

Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/netdevice.h | 42 ++++++++++++++++++++++++++++-----------
 net/core/dev.c            | 17 ----------------
 net/sched/sch_generic.c   | 23 +++++----------------
 3 files changed, 35 insertions(+), 47 deletions(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 61425d0c612..7043f85e643 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -63,6 +63,10 @@ struct wireless_dev;
 #define HAVE_FREE_NETDEV		/* free_netdev() */
 #define HAVE_NETDEV_PRIV		/* netdev_priv() */
 
+/* Backlog congestion levels */
+#define NET_RX_SUCCESS		0	/* keep 'em coming, baby */
+#define NET_RX_DROP		1	/* packet dropped */
+
 /*
  * Transmit return codes: transmit return codes originate from three different
  * namespaces:
@@ -82,14 +86,10 @@ struct wireless_dev;
 
 /* qdisc ->enqueue() return codes. */
 #define NET_XMIT_SUCCESS	0x00
-#define NET_XMIT_DROP		0x10	/* skb dropped			*/
-#define NET_XMIT_CN		0x20	/* congestion notification	*/
-#define NET_XMIT_POLICED	0x30	/* skb is shot by police	*/
-#define NET_XMIT_MASK		0xf0	/* qdisc flags in net/sch_generic.h */
-
-/* Backlog congestion levels */
-#define NET_RX_SUCCESS		0	/* keep 'em coming, baby */
-#define NET_RX_DROP		1	/* packet dropped */
+#define NET_XMIT_DROP		0x01	/* skb dropped			*/
+#define NET_XMIT_CN		0x02	/* congestion notification	*/
+#define NET_XMIT_POLICED	0x03	/* skb is shot by police	*/
+#define NET_XMIT_MASK		0x0f	/* qdisc flags in net/sch_generic.h */
 
 /* NET_XMIT_CN is special. It does not guarantee that this packet is lost. It
  * indicates that the device will soon be dropping packets, or already drops
@@ -98,16 +98,34 @@ struct wireless_dev;
 #define net_xmit_errno(e)	((e) != NET_XMIT_CN ? -ENOBUFS : 0)
 
 /* Driver transmit return codes */
-#define NETDEV_TX_MASK		0xf
+#define NETDEV_TX_MASK		0xf0
 
 enum netdev_tx {
 	__NETDEV_TX_MIN	 = INT_MIN,	/* make sure enum is signed */
-	NETDEV_TX_OK	 = 0,		/* driver took care of packet */
-	NETDEV_TX_BUSY	 = 1,		/* driver tx path was busy*/
-	NETDEV_TX_LOCKED = 2,		/* driver tx lock was already taken */
+	NETDEV_TX_OK	 = 0x00,	/* driver took care of packet */
+	NETDEV_TX_BUSY	 = 0x10,	/* driver tx path was busy*/
+	NETDEV_TX_LOCKED = 0x20,	/* driver tx lock was already taken */
 };
 typedef enum netdev_tx netdev_tx_t;
 
+/*
+ * Current order: NETDEV_TX_MASK > NET_XMIT_MASK >= 0 is significant;
+ * hard_start_xmit() return < NET_XMIT_MASK means skb was consumed.
+ */
+static inline bool dev_xmit_complete(int rc)
+{
+	/*
+	 * Positive cases with an skb consumed by a driver:
+	 * - successful transmission (rc == NETDEV_TX_OK)
+	 * - error while transmitting (rc < 0)
+	 * - error while queueing to a different device (rc & NET_XMIT_MASK)
+	 */
+	if (likely(rc < NET_XMIT_MASK))
+		return true;
+
+	return false;
+}
+
 #endif
 
 #define MAX_ADDR_LEN	32		/* Largest hardware address length */
diff --git a/net/core/dev.c b/net/core/dev.c
index 32045df1da5..4b24d79414e 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1924,23 +1924,6 @@ static inline int __dev_xmit_skb(struct sk_buff *skb, struct Qdisc *q,
 	return rc;
 }
 
-static inline bool dev_xmit_complete(int rc)
-{
-	/* successful transmission */
-	if (rc == NETDEV_TX_OK)
-		return true;
-
-	/* error while transmitting, driver consumed skb */
-	if (rc < 0)
-		return true;
-
-	/* error while queueing to a different device, driver consumed skb */
-	if (rc & NET_XMIT_MASK)
-		return true;
-
-	return false;
-}
-
 /**
  *	dev_queue_xmit - transmit a buffer
  *	@skb: buffer to transmit
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index b13821ad2fb..5173c1e1b19 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -119,39 +119,26 @@ int sch_direct_xmit(struct sk_buff *skb, struct Qdisc *q,
 	spin_unlock(root_lock);
 
 	HARD_TX_LOCK(dev, txq, smp_processor_id());
-	if (!netif_tx_queue_stopped(txq) &&
-	    !netif_tx_queue_frozen(txq)) {
+	if (!netif_tx_queue_stopped(txq) && !netif_tx_queue_frozen(txq))
 		ret = dev_hard_start_xmit(skb, dev, txq);
 
-		/* an error implies that the skb was consumed */
-		if (ret < 0)
-			ret = NETDEV_TX_OK;
-		/* all NET_XMIT codes map to NETDEV_TX_OK */
-		ret &= ~NET_XMIT_MASK;
-	}
 	HARD_TX_UNLOCK(dev, txq);
 
 	spin_lock(root_lock);
 
-	switch (ret) {
-	case NETDEV_TX_OK:
-		/* Driver sent out skb successfully */
+	if (dev_xmit_complete(ret)) {
+		/* Driver sent out skb successfully or skb was consumed */
 		ret = qdisc_qlen(q);
-		break;
-
-	case NETDEV_TX_LOCKED:
+	} else if (ret == NETDEV_TX_LOCKED) {
 		/* Driver try lock failed */
 		ret = handle_dev_cpu_collision(skb, txq, q);
-		break;
-
-	default:
+	} else {
 		/* Driver returned NETDEV_TX_BUSY - requeue skb */
 		if (unlikely (ret != NETDEV_TX_BUSY && net_ratelimit()))
 			printk(KERN_WARNING "BUG %s code %d qlen %d\n",
 			       dev->name, ret, q->q.qlen);
 
 		ret = dev_requeue_skb(skb, q);
-		break;
 	}
 
 	if (ret && (netif_tx_queue_stopped(txq) ||
-- 
GitLab


From c2060fe1f36565e60e622662a4519babd3b72f68 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Fri, 13 Nov 2009 13:03:33 +0000
Subject: [PATCH 1250/1815] tg3: Add 5717 phy ID

This patch adds the 5717 phy ID.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 1 +
 drivers/net/tg3.h | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 47a4f094787..fc9df25f76b 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -13755,6 +13755,7 @@ static char * __devinit tg3_phy_string(struct tg3 *tp)
 	case PHY_ID_BCM5756:	return "5722/5756";
 	case PHY_ID_BCM5906:	return "5906";
 	case PHY_ID_BCM5761:	return "5761";
+	case PHY_ID_BCM5717:	return "5717";
 	case PHY_ID_BCM8002:	return "8002/serdes";
 	case 0:			return "serdes";
 	default:		return "unknown";
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index d770da124b8..e0a8b611fc2 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2855,6 +2855,7 @@ struct tg3 {
 #define PHY_ID_BCM5756			0xbc050ed0
 #define PHY_ID_BCM5784			0xbc050fa0
 #define PHY_ID_BCM5761			0xbc050fd0
+#define PHY_ID_BCM5717			0x5c0d8a00
 #define PHY_ID_BCM5906			0xdc00ac40
 #define PHY_ID_BCM8002			0x60010140
 #define PHY_ID_INVALID			0xffffffff
@@ -2896,7 +2897,7 @@ struct tg3 {
 	 (X) == PHY_ID_BCM5780 || (X) == PHY_ID_BCM5787 || \
 	 (X) == PHY_ID_BCM5755 || (X) == PHY_ID_BCM5756 || \
 	 (X) == PHY_ID_BCM5906 || (X) == PHY_ID_BCM5761 || \
-	 (X) == PHY_ID_BCM8002)
+	 (X) == PHY_ID_BCM5717 || (X) == PHY_ID_BCM8002)
 
 	struct tg3_hw_stats		*hw_stats;
 	dma_addr_t			stats_mapping;
-- 
GitLab


From 87668d352aa8d135bd695a050f18bbfc7b50b506 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Fri, 13 Nov 2009 13:03:34 +0000
Subject: [PATCH 1251/1815] tg3: Don't touch RCB nic addresses

This patch avoids reprogramming the RCB NIC addresses for all 5755 and
later devices.  The address is incorrect for 5717 devices and should be
correct by default for all other affected devices.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index fc9df25f76b..e1f4a18ebb8 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -7404,8 +7404,9 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
 	     ((u64) tpr->rx_std_mapping >> 32));
 	tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
 	     ((u64) tpr->rx_std_mapping & 0xffffffff));
-	tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
-	     NIC_SRAM_RX_BUFFER_DESC);
+	if (!(tp->tg3_flags3 & TG3_FLG3_5755_PLUS))
+		tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
+		     NIC_SRAM_RX_BUFFER_DESC);
 
 	/* Disable the mini ring */
 	if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
@@ -7428,8 +7429,9 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
 			tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
 			     (RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT) |
 			     BDINFO_FLAGS_USE_EXT_RECV);
-			tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
-			     NIC_SRAM_RX_JUMBO_BUFFER_DESC);
+			if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
+				tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
+				     NIC_SRAM_RX_JUMBO_BUFFER_DESC);
 		} else {
 			tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
 			     BDINFO_FLAGS_DISABLED);
-- 
GitLab


From 24f4efd4e6c89a4093d0b8653d6669e45de45001 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Fri, 13 Nov 2009 13:03:35 +0000
Subject: [PATCH 1252/1815] tg3: Napify tg3_start_xmit_dma_bug()

This patch converts tg3_start_xmit_dma_bug() to accomodate multiple NAPI
instances.  This is prep work for a later patch in this series.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 32 +++++++++++++++++++-------------
 1 file changed, 19 insertions(+), 13 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index e1f4a18ebb8..072e3ee4c93 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -5119,11 +5119,11 @@ static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
 static void tg3_set_txd(struct tg3_napi *, int, dma_addr_t, int, u32, u32);
 
 /* Workaround 4GB and 40-bit hardware DMA bugs. */
-static int tigon3_dma_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
-				       u32 last_plus_one, u32 *start,
-				       u32 base_flags, u32 mss)
+static int tigon3_dma_hwbug_workaround(struct tg3_napi *tnapi,
+				       struct sk_buff *skb, u32 last_plus_one,
+				       u32 *start, u32 base_flags, u32 mss)
 {
-	struct tg3_napi *tnapi = &tp->napi[0];
+	struct tg3 *tp = tnapi->tp;
 	struct sk_buff *new_skb;
 	dma_addr_t new_addr = 0;
 	u32 entry = *start;
@@ -5392,9 +5392,13 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
 	struct skb_shared_info *sp;
 	int would_hit_hwbug;
 	dma_addr_t mapping;
-	struct tg3_napi *tnapi = &tp->napi[0];
+	struct tg3_napi *tnapi;
+	struct netdev_queue *txq;
 
-	len = skb_headlen(skb);
+	txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb));
+	tnapi = &tp->napi[skb_get_queue_mapping(skb)];
+	if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
+		tnapi++;
 
 	/* We are running in BH disabled context with netif_tx_lock
 	 * and TX reclaim runs via tp->napi.poll inside of a software
@@ -5402,8 +5406,8 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
 	 * no IRQ context deadlocks to worry about either.  Rejoice!
 	 */
 	if (unlikely(tg3_tx_avail(tnapi) <= (skb_shinfo(skb)->nr_frags + 1))) {
-		if (!netif_queue_stopped(dev)) {
-			netif_stop_queue(dev);
+		if (!netif_tx_queue_stopped(txq)) {
+			netif_tx_stop_queue(txq);
 
 			/* This is a hard error, log it. */
 			printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
@@ -5416,7 +5420,7 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
 	base_flags = 0;
 	if (skb->ip_summed == CHECKSUM_PARTIAL)
 		base_flags |= TXD_FLAG_TCPUDP_CSUM;
-	mss = 0;
+
 	if ((mss = skb_shinfo(skb)->gso_size) != 0) {
 		struct iphdr *iph;
 		u32 tcp_opt_len, ip_tcp_len, hdr_len;
@@ -5488,6 +5492,8 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
 
 	would_hit_hwbug = 0;
 
+	len = skb_headlen(skb);
+
 	if ((tp->tg3_flags3 & TG3_FLG3_SHORT_DMA_BUG) && len <= 8)
 		would_hit_hwbug = 1;
 
@@ -5553,7 +5559,7 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
 		/* If the workaround fails due to memory/mapping
 		 * failure, silently drop this packet.
 		 */
-		if (tigon3_dma_hwbug_workaround(tp, skb, last_plus_one,
+		if (tigon3_dma_hwbug_workaround(tnapi, skb, last_plus_one,
 						&start, base_flags, mss))
 			goto out_unlock;
 
@@ -5561,13 +5567,13 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
 	}
 
 	/* Packets are ready, update Tx producer idx local and on card. */
-	tw32_tx_mbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW, entry);
+	tw32_tx_mbox(tnapi->prodmbox, entry);
 
 	tnapi->tx_prod = entry;
 	if (unlikely(tg3_tx_avail(tnapi) <= (MAX_SKB_FRAGS + 1))) {
-		netif_stop_queue(dev);
+		netif_tx_stop_queue(txq);
 		if (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi))
-			netif_wake_queue(tp->dev);
+			netif_tx_wake_queue(txq);
 	}
 
 out_unlock:
-- 
GitLab


From f66a29b03a2637ff052f2b8a81a5417fa44e228b Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Fri, 13 Nov 2009 13:03:36 +0000
Subject: [PATCH 1253/1815] tg3: Move TG3_FLG2_PROTECTED_NVRAM to tg3_flags3

We need room for another TSO flag and it would be most efficient if it
resided in tg3_flags2.  This patch moves the TG3_FLG2_PROTECTED_NVRAM
to tg3_flags3 to make room.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 12 ++++++------
 drivers/net/tg3.h |  2 +-
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 072e3ee4c93..f74d80d5515 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -2249,7 +2249,7 @@ static void tg3_nvram_unlock(struct tg3 *tp)
 static void tg3_enable_nvram_access(struct tg3 *tp)
 {
 	if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
-	    !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
+	    !(tp->tg3_flags3 & TG3_FLG3_PROTECTED_NVRAM)) {
 		u32 nvaccess = tr32(NVRAM_ACCESS);
 
 		tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
@@ -2260,7 +2260,7 @@ static void tg3_enable_nvram_access(struct tg3 *tp)
 static void tg3_disable_nvram_access(struct tg3 *tp)
 {
 	if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
-	    !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
+	    !(tp->tg3_flags3 & TG3_FLG3_PROTECTED_NVRAM)) {
 		u32 nvaccess = tr32(NVRAM_ACCESS);
 
 		tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
@@ -10970,7 +10970,7 @@ static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
 
 	/* NVRAM protection for TPM */
 	if (nvcfg1 & (1 << 27))
-		tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
+		tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
 
 	switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
 	case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
@@ -11011,7 +11011,7 @@ static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp)
 
 	/* NVRAM protection for TPM */
 	if (nvcfg1 & (1 << 27)) {
-		tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
+		tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
 		protect = 1;
 	}
 
@@ -11105,7 +11105,7 @@ static void __devinit tg3_get_5761_nvram_info(struct tg3 *tp)
 
 	/* NVRAM protection for TPM */
 	if (nvcfg1 & (1 << 27)) {
-		tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
+		tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
 		protect = 1;
 	}
 
@@ -11607,7 +11607,7 @@ static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
 
 		tg3_enable_nvram_access(tp);
 		if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
-		    !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM))
+		    !(tp->tg3_flags3 & TG3_FLG3_PROTECTED_NVRAM))
 			tw32(NVRAM_WRITE1, 0x406);
 
 		grc_mode = tr32(GRC_MODE);
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index e0a8b611fc2..590a692d6a9 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2753,7 +2753,6 @@ struct tg3 {
 #define TG3_FLG2_SERDES_PREEMPHASIS	0x00020000
 #define TG3_FLG2_5705_PLUS		0x00040000
 #define TG3_FLG2_5750_PLUS		0x00080000
-#define TG3_FLG2_PROTECTED_NVRAM	0x00100000
 #define TG3_FLG2_USING_MSI		0x00200000
 #define TG3_FLG2_USING_MSIX		0x00400000
 #define TG3_FLG2_USING_MSI_OR_MSIX	(TG3_FLG2_USING_MSI | \
@@ -2773,6 +2772,7 @@ struct tg3 {
 	u32				tg3_flags3;
 #define TG3_FLG3_NO_NVRAM_ADDR_TRANS	0x00000001
 #define TG3_FLG3_ENABLE_APE		0x00000002
+#define TG3_FLG3_PROTECTED_NVRAM	0x00000004
 #define TG3_FLG3_5701_DMA_BUG		0x00000008
 #define TG3_FLG3_USE_PHYLIB		0x00000010
 #define TG3_FLG3_MDIOBUS_INITED		0x00000020
-- 
GitLab


From 507399f18ea5810de42f0ea228c14305a8f67512 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Fri, 13 Nov 2009 13:03:37 +0000
Subject: [PATCH 1254/1815] tg3: Refine TSO and MSI discovery

This patch consolidates the TSO capability discovery code into its own
code block.  The code that decides whether or not to allow TSO is then
cleaned up.  Finally, the patch consolidates all MSI and MSIX
capability code into a single code block.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 64 +++++++++++++++++++++++++----------------------
 1 file changed, 34 insertions(+), 30 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index f74d80d5515..29276e62f12 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -12669,6 +12669,27 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
 			tp->dev->features |= NETIF_F_IPV6_CSUM;
 	}
 
+	/* Determine TSO capabilities */
+	if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
+	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
+		tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
+	else if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
+		tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1 | TG3_FLG2_TSO_BUG;
+		if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 &&
+		    tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2)
+			tp->tg3_flags2 &= ~TG3_FLG2_TSO_BUG;
+	} else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
+		   GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
+		   tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) {
+		tp->tg3_flags2 |= TG3_FLG2_TSO_BUG;
+		if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)
+			tp->fw_needed = FIRMWARE_TG3TSO5;
+		else
+			tp->fw_needed = FIRMWARE_TG3TSO;
+	}
+
+	tp->irq_max = 1;
+
 	if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
 		tp->tg3_flags |= TG3_FLAG_SUPPORT_MSI;
 		if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX ||
@@ -12680,22 +12701,13 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
 
 		if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
 		    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
-			tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
 			tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
-		} else {
-			tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1 | TG3_FLG2_TSO_BUG;
-			if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
-				ASIC_REV_5750 &&
-	     		    tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2)
-				tp->tg3_flags2 &= ~TG3_FLG2_TSO_BUG;
 		}
-	}
-
-	tp->irq_max = 1;
 
-	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
-		tp->tg3_flags |= TG3_FLAG_SUPPORT_MSIX;
-		tp->irq_max = TG3_IRQ_MAX_VECS;
+		if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
+			tp->tg3_flags |= TG3_FLAG_SUPPORT_MSIX;
+			tp->irq_max = TG3_IRQ_MAX_VECS;
+		}
 	}
 
 	if (!(tp->tg3_flags3 & TG3_FLG3_5755_PLUS)) {
@@ -14108,25 +14120,17 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
 
 	tg3_init_bufmgr_config(tp);
 
-	if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0)
-		tp->fw_needed = FIRMWARE_TG3;
-
-	if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
+	/* Selectively allow TSO based on operating conditions */
+	if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
+	    (tp->fw_needed && !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)))
 		tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
+	else {
+		tp->tg3_flags2 &= ~(TG3_FLG2_TSO_CAPABLE | TG3_FLG2_TSO_BUG);
+		tp->fw_needed = NULL;
 	}
-	else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
-	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
-	    tp->pci_chip_rev_id == CHIPREV_ID_5705_A0 ||
-	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
-	    (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
-		tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
-	} else {
-		tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE | TG3_FLG2_TSO_BUG;
-		if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)
-			tp->fw_needed = FIRMWARE_TG3TSO5;
-		else
-			tp->fw_needed = FIRMWARE_TG3TSO;
-	}
+
+	if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0)
+		tp->fw_needed = FIRMWARE_TG3;
 
 	/* TSO is on by default on chips that support hardware TSO.
 	 * Firmware TSO on older chips gives lower performance, so it
-- 
GitLab


From e849cdc309de4a1e49dc3c23c6c36da91b990c9f Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Fri, 13 Nov 2009 13:03:38 +0000
Subject: [PATCH 1255/1815] tg3: Add new HW_TSO_3 flag for 5717

The 5717 sets up TSO slightly differently in the transmit path.  It
looks like this method will be the new way of doing things.  This patch
defines a flag to indicate this.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 41 +++++++++++++++++++++++------------------
 drivers/net/tg3.h |  5 ++++-
 2 files changed, 27 insertions(+), 19 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 29276e62f12..6831289baf2 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -5206,7 +5206,7 @@ static void tg3_set_txd(struct tg3_napi *tnapi, int entry,
 }
 
 /* hard_start_xmit for devices that don't have any bugs and
- * support TG3_FLG2_HW_TSO_2 only.
+ * support TG3_FLG2_HW_TSO_2 and TG3_FLG2_HW_TSO_3 only.
  */
 static netdev_tx_t tg3_start_xmit(struct sk_buff *skb,
 				  struct net_device *dev)
@@ -5265,7 +5265,7 @@ static netdev_tx_t tg3_start_xmit(struct sk_buff *skb,
 			hdrlen = ip_tcp_len + tcp_opt_len;
 		}
 
-		if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
+		if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) {
 			mss |= (hdrlen & 0xc) << 12;
 			if (hdrlen & 0x10)
 				base_flags |= 0x00000010;
@@ -7523,7 +7523,8 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
 	if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
 		rdmac_mode |= RDMAC_MODE_IPV4_LSO_EN;
 
-	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
+	if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
+	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
 	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
 		rdmac_mode |= RDMAC_MODE_IPV6_LSO_EN;
 
@@ -9513,15 +9514,16 @@ static int tg3_set_tso(struct net_device *dev, u32 value)
 		return 0;
 	}
 	if ((dev->features & NETIF_F_IPV6_CSUM) &&
-	    (tp->tg3_flags2 & TG3_FLG2_HW_TSO_2)) {
+	    ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) ||
+	     (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3))) {
 		if (value) {
 			dev->features |= NETIF_F_TSO6;
-			if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
+			if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
+			    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
 			    (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
 			     GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
 			    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
-			    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
-			    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
+			    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
 				dev->features |= NETIF_F_TSO_ECN;
 		} else
 			dev->features &= ~(NETIF_F_TSO6 | NETIF_F_TSO_ECN);
@@ -12670,8 +12672,10 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
 	}
 
 	/* Determine TSO capabilities */
-	if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
-	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
+	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
+		tp->tg3_flags2 |= TG3_FLG2_HW_TSO_3;
+	else if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
+		 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
 		tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
 	else if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
 		tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1 | TG3_FLG2_TSO_BUG;
@@ -14136,22 +14140,23 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
 	 * Firmware TSO on older chips gives lower performance, so it
 	 * is off by default, but can be enabled using ethtool.
 	 */
-	if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
-		if (dev->features & NETIF_F_IP_CSUM)
-			dev->features |= NETIF_F_TSO;
-		if ((dev->features & NETIF_F_IPV6_CSUM) &&
-		    (tp->tg3_flags2 & TG3_FLG2_HW_TSO_2))
+	if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) &&
+	    (dev->features & NETIF_F_IP_CSUM))
+		dev->features |= NETIF_F_TSO;
+
+	if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) ||
+	    (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3)) {
+		if (dev->features & NETIF_F_IPV6_CSUM)
 			dev->features |= NETIF_F_TSO6;
-		if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
+		if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
+		    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
 		    (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
 		     GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
 			GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
-		    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
-		    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
+		    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
 			dev->features |= NETIF_F_TSO_ECN;
 	}
 
-
 	if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
 	    !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
 	    !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 590a692d6a9..5fe57603d1f 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2753,6 +2753,7 @@ struct tg3 {
 #define TG3_FLG2_SERDES_PREEMPHASIS	0x00020000
 #define TG3_FLG2_5705_PLUS		0x00040000
 #define TG3_FLG2_5750_PLUS		0x00080000
+#define TG3_FLG2_HW_TSO_3		0x00100000
 #define TG3_FLG2_USING_MSI		0x00200000
 #define TG3_FLG2_USING_MSIX		0x00400000
 #define TG3_FLG2_USING_MSI_OR_MSIX	(TG3_FLG2_USING_MSI | \
@@ -2764,7 +2765,9 @@ struct tg3 {
 #define TG3_FLG2_ICH_WORKAROUND		0x02000000
 #define TG3_FLG2_5780_CLASS		0x04000000
 #define TG3_FLG2_HW_TSO_2		0x08000000
-#define TG3_FLG2_HW_TSO			(TG3_FLG2_HW_TSO_1 | TG3_FLG2_HW_TSO_2)
+#define TG3_FLG2_HW_TSO			(TG3_FLG2_HW_TSO_1 | \
+					 TG3_FLG2_HW_TSO_2 | \
+					 TG3_FLG2_HW_TSO_3)
 #define TG3_FLG2_1SHOT_MSI		0x10000000
 #define TG3_FLG2_PHY_JITTER_BUG		0x20000000
 #define TG3_FLG2_NO_FWARE_REPORTED	0x40000000
-- 
GitLab


From 615774fe598f8ee971a8dfeb1f2ec4211241c433 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Fri, 13 Nov 2009 13:03:39 +0000
Subject: [PATCH 1256/1815] tg3: Use tg3_start_xmit_dma_bug for 5717 A0

The A0 revision of the 5717 has problems with short packet fragments.
It needs to use the tg3_start_xmit_dma_bug() routine.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 27 ++++++++++++++++++---------
 drivers/net/tg3.h |  1 +
 2 files changed, 19 insertions(+), 9 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 6831289baf2..2d58406deb0 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -5454,7 +5454,12 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
 								 IPPROTO_TCP,
 								 0);
 
-		if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_2)
+		if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) {
+			mss |= (hdr_len & 0xc) << 12;
+			if (hdr_len & 0x10)
+				base_flags |= 0x00000010;
+			base_flags |= (hdr_len & 0x3e0) << 5;
+		} else if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_2)
 			mss |= hdr_len << 9;
 		else if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_1) ||
 			 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
@@ -5479,6 +5484,10 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
 			       (vlan_tx_tag_get(skb) << 16));
 #endif
 
+	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
+	    !mss && skb->len > ETH_DATA_LEN)
+		base_flags |= TXD_FLAG_JMB_PKT;
+
 	if (skb_dma_map(&tp->pdev->dev, skb, DMA_TO_DEVICE)) {
 		dev_kfree_skb(skb);
 		goto out_unlock;
@@ -12714,13 +12723,12 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
 		}
 	}
 
-	if (!(tp->tg3_flags3 & TG3_FLG3_5755_PLUS)) {
-		if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
-			tp->tg3_flags3 |= TG3_FLG3_SHORT_DMA_BUG;
-		else {
-			tp->tg3_flags3 |= TG3_FLG3_4G_DMA_BNDRY_BUG;
-			tp->tg3_flags3 |= TG3_FLG3_40BIT_DMA_LIMIT_BUG;
-		}
+	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
+	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
+		tp->tg3_flags3 |= TG3_FLG3_SHORT_DMA_BUG;
+	else if (!(tp->tg3_flags3 & TG3_FLG3_5755_PLUS)) {
+		tp->tg3_flags3 |= TG3_FLG3_4G_DMA_BNDRY_BUG;
+		tp->tg3_flags3 |= TG3_FLG3_40BIT_DMA_LIMIT_BUG;
 	}
 
 	if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
@@ -14077,7 +14085,8 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
 		goto err_out_iounmap;
 	}
 
-	if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
+	if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) &&
+	    tp->pci_chip_rev_id != CHIPREV_ID_5717_A0)
 		dev->netdev_ops = &tg3_netdev_ops;
 	else
 		dev->netdev_ops = &tg3_netdev_ops_dma_bug;
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 5fe57603d1f..e7916bdafab 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -103,6 +103,7 @@
 #define  CHIPREV_ID_5906_A1		 0xc001
 #define  CHIPREV_ID_57780_A0		 0x57780000
 #define  CHIPREV_ID_57780_A1		 0x57780001
+#define  CHIPREV_ID_5717_A0		 0x05717000
 #define  GET_ASIC_REV(CHIP_REV_ID)	((CHIP_REV_ID) >> 12)
 #define   ASIC_REV_5700			 0x07
 #define   ASIC_REV_5701			 0x00
-- 
GitLab


From cbf9ca6cf8304beb640a948709c4672bc1d5a55f Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Fri, 13 Nov 2009 13:03:40 +0000
Subject: [PATCH 1257/1815] tg3: Allow DMAs to cross cacheline boundaries

By default, the 5717 (and future chips) break up PCIe DMA packets across
cacheline boundaries.  This isn't necessary on x86.  This patch
selectively loosens the restriction.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 20 +++++++++++++++-----
 drivers/net/tg3.h |  3 +--
 2 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 2d58406deb0..1c1cf68baa9 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -7294,9 +7294,12 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
 	if (err)
 		return err;
 
-	if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 &&
-	    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5761 &&
-	    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717) {
+	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
+		val = tr32(TG3PCI_DMA_RW_CTRL) &
+		      ~DMA_RWCTRL_DIS_CACHE_ALIGNMENT;
+		tw32(TG3PCI_DMA_RW_CTRL, val | tp->dma_rwctrl);
+	} else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 &&
+		   GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5761) {
 		/* This value is determined during the probe time DMA
 		 * engine test, tg3_test_dma.
 		 */
@@ -13329,6 +13332,11 @@ static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
 #endif
 #endif
 
+	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
+		val = goal ? 0 : DMA_RWCTRL_DIS_CACHE_ALIGNMENT;
+		goto out;
+	}
+
 	if (!goal)
 		goto out;
 
@@ -13523,7 +13531,7 @@ static int __devinit tg3_test_dma(struct tg3 *tp)
 {
 	dma_addr_t buf_dma;
 	u32 *buf, saved_dma_rwctrl;
-	int ret;
+	int ret = 0;
 
 	buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
 	if (!buf) {
@@ -13536,6 +13544,9 @@ static int __devinit tg3_test_dma(struct tg3 *tp)
 
 	tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
 
+	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
+		goto out;
+
 	if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
 		/* DMA read watermark not used on PCIE */
 		tp->dma_rwctrl |= 0x00180000;
@@ -13608,7 +13619,6 @@ static int __devinit tg3_test_dma(struct tg3 *tp)
 	tg3_switch_clocks(tp);
 #endif
 
-	ret = 0;
 	if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
 	    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
 		goto out;
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index e7916bdafab..42fefa11c05 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -142,8 +142,7 @@
 #define   METAL_REV_B1			 0x01
 #define   METAL_REV_B2			 0x02
 #define TG3PCI_DMA_RW_CTRL		0x0000006c
-#define  DMA_RWCTRL_MIN_DMA		 0x000000ff
-#define  DMA_RWCTRL_MIN_DMA_SHIFT	 0
+#define  DMA_RWCTRL_DIS_CACHE_ALIGNMENT  0x00000001
 #define  DMA_RWCTRL_READ_BNDRY_MASK	 0x00000700
 #define  DMA_RWCTRL_READ_BNDRY_DISAB	 0x00000000
 #define  DMA_RWCTRL_READ_BNDRY_16	 0x00000100
-- 
GitLab


From 35f2d7d0d7c222a580da0ed91c8d70c54267620a Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Fri, 13 Nov 2009 13:03:41 +0000
Subject: [PATCH 1258/1815] tg3: Create tg3_poll_msix() for non-zero MSIX vecs

This patch gives all non-zero MSIX vectors their own NAPI handler.  This
will make NAPI handling for those vectors slightly more efficient.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 68 +++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 60 insertions(+), 8 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 1c1cf68baa9..5e17abb409e 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -4706,18 +4706,17 @@ next_pkt_nopost:
 	return received;
 }
 
-static int tg3_poll_work(struct tg3_napi *tnapi, int work_done, int budget)
+static void tg3_poll_link(struct tg3 *tp)
 {
-	struct tg3 *tp = tnapi->tp;
-	struct tg3_hw_status *sblk = tnapi->hw_status;
-
 	/* handle link change and other phy events */
 	if (!(tp->tg3_flags &
 	      (TG3_FLAG_USE_LINKCHG_REG |
 	       TG3_FLAG_POLL_SERDES))) {
+		struct tg3_hw_status *sblk = tp->napi[0].hw_status;
+
 		if (sblk->status & SD_STATUS_LINK_CHG) {
 			sblk->status = SD_STATUS_UPDATED |
-				(sblk->status & ~SD_STATUS_LINK_CHG);
+				       (sblk->status & ~SD_STATUS_LINK_CHG);
 			spin_lock(&tp->lock);
 			if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
 				tw32_f(MAC_STATUS,
@@ -4731,6 +4730,11 @@ static int tg3_poll_work(struct tg3_napi *tnapi, int work_done, int budget)
 			spin_unlock(&tp->lock);
 		}
 	}
+}
+
+static int tg3_poll_work(struct tg3_napi *tnapi, int work_done, int budget)
+{
+	struct tg3 *tp = tnapi->tp;
 
 	/* run TX completion thread */
 	if (tnapi->hw_status->idx[0].tx_consumer != tnapi->tx_cons) {
@@ -4749,6 +4753,50 @@ static int tg3_poll_work(struct tg3_napi *tnapi, int work_done, int budget)
 	return work_done;
 }
 
+static int tg3_poll_msix(struct napi_struct *napi, int budget)
+{
+	struct tg3_napi *tnapi = container_of(napi, struct tg3_napi, napi);
+	struct tg3 *tp = tnapi->tp;
+	int work_done = 0;
+	struct tg3_hw_status *sblk = tnapi->hw_status;
+
+	while (1) {
+		work_done = tg3_poll_work(tnapi, work_done, budget);
+
+		if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
+			goto tx_recovery;
+
+		if (unlikely(work_done >= budget))
+			break;
+
+		/* tp->last_tag is used in tg3_restart_ints() below
+		 * to tell the hw how much work has been processed,
+		 * so we must read it before checking for more work.
+		 */
+		tnapi->last_tag = sblk->status_tag;
+		tnapi->last_irq_tag = tnapi->last_tag;
+		rmb();
+
+		/* check for RX/TX work to do */
+		if (sblk->idx[0].tx_consumer == tnapi->tx_cons &&
+		    *(tnapi->rx_rcb_prod_idx) == tnapi->rx_rcb_ptr) {
+			napi_complete(napi);
+			/* Reenable interrupts. */
+			tw32_mailbox(tnapi->int_mbox, tnapi->last_tag << 24);
+			mmiowb();
+			break;
+		}
+	}
+
+	return work_done;
+
+tx_recovery:
+	/* work_done is guaranteed to be less than budget. */
+	napi_complete(napi);
+	schedule_work(&tp->reset_task);
+	return work_done;
+}
+
 static int tg3_poll(struct napi_struct *napi, int budget)
 {
 	struct tg3_napi *tnapi = container_of(napi, struct tg3_napi, napi);
@@ -4757,6 +4805,8 @@ static int tg3_poll(struct napi_struct *napi, int budget)
 	struct tg3_hw_status *sblk = tnapi->hw_status;
 
 	while (1) {
+		tg3_poll_link(tp);
+
 		work_done = tg3_poll_work(tnapi, work_done, budget);
 
 		if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
@@ -14057,10 +14107,13 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
 		tnapi->consmbox = rcvmbx;
 		tnapi->prodmbox = sndmbx;
 
-		if (i)
+		if (i) {
 			tnapi->coal_now = HOSTCC_MODE_COAL_VEC1_NOW << (i - 1);
-		else
+			netif_napi_add(dev, &tnapi->napi, tg3_poll_msix, 64);
+		} else {
 			tnapi->coal_now = HOSTCC_MODE_NOW;
+			netif_napi_add(dev, &tnapi->napi, tg3_poll, 64);
+		}
 
 		if (!(tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX))
 			break;
@@ -14083,7 +14136,6 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
 			sndmbx += 0xc;
 	}
 
-	netif_napi_add(dev, &tp->napi[0].napi, tg3_poll, 64);
 	dev->ethtool_ops = &tg3_ethtool_ops;
 	dev->watchdog_timeo = TG3_TX_TIMEOUT;
 	dev->irq = pdev->irq;
-- 
GitLab


From 78f90dcf184b8225a24217605c4289f1986451a3 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Fri, 13 Nov 2009 13:03:42 +0000
Subject: [PATCH 1259/1815] tg3: Move napi_add calls below tg3_get_invariants

tg3_get_invariants(), among other things, discovers whether or not
the device is MSI-X capable and how many interrupts it supports.
This discovery needs to happen before registering NAPI instances with
netdev.  This patch moves the code block that calls napi_add later in
tg3_init_one() so that tg3_get_invariants() has a chance to run first.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 94 +++++++++++++++++++++++------------------------
 1 file changed, 47 insertions(+), 47 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 5e17abb409e..f0360f8b8f7 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -14089,53 +14089,6 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
 	tp->rx_pending = TG3_DEF_RX_RING_PENDING;
 	tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
 
-	intmbx = MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW;
-	rcvmbx = MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW;
-	sndmbx = MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW;
-	for (i = 0; i < TG3_IRQ_MAX_VECS; i++) {
-		struct tg3_napi *tnapi = &tp->napi[i];
-
-		tnapi->tp = tp;
-		tnapi->tx_pending = TG3_DEF_TX_RING_PENDING;
-
-		tnapi->int_mbox = intmbx;
-		if (i < 4)
-			intmbx += 0x8;
-		else
-			intmbx += 0x4;
-
-		tnapi->consmbox = rcvmbx;
-		tnapi->prodmbox = sndmbx;
-
-		if (i) {
-			tnapi->coal_now = HOSTCC_MODE_COAL_VEC1_NOW << (i - 1);
-			netif_napi_add(dev, &tnapi->napi, tg3_poll_msix, 64);
-		} else {
-			tnapi->coal_now = HOSTCC_MODE_NOW;
-			netif_napi_add(dev, &tnapi->napi, tg3_poll, 64);
-		}
-
-		if (!(tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX))
-			break;
-
-		/*
-		 * If we support MSIX, we'll be using RSS.  If we're using
-		 * RSS, the first vector only handles link interrupts and the
-		 * remaining vectors handle rx and tx interrupts.  Reuse the
-		 * mailbox values for the next iteration.  The values we setup
-		 * above are still useful for the single vectored mode.
-		 */
-		if (!i)
-			continue;
-
-		rcvmbx += 0x8;
-
-		if (sndmbx & 0x4)
-			sndmbx -= 0x4;
-		else
-			sndmbx += 0xc;
-	}
-
 	dev->ethtool_ops = &tg3_ethtool_ops;
 	dev->watchdog_timeo = TG3_TX_TIMEOUT;
 	dev->irq = pdev->irq;
@@ -14278,6 +14231,53 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
 	tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
 	tp->link_config.flowctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
 
+	intmbx = MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW;
+	rcvmbx = MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW;
+	sndmbx = MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW;
+	for (i = 0; i < TG3_IRQ_MAX_VECS; i++) {
+		struct tg3_napi *tnapi = &tp->napi[i];
+
+		tnapi->tp = tp;
+		tnapi->tx_pending = TG3_DEF_TX_RING_PENDING;
+
+		tnapi->int_mbox = intmbx;
+		if (i < 4)
+			intmbx += 0x8;
+		else
+			intmbx += 0x4;
+
+		tnapi->consmbox = rcvmbx;
+		tnapi->prodmbox = sndmbx;
+
+		if (i) {
+			tnapi->coal_now = HOSTCC_MODE_COAL_VEC1_NOW << (i - 1);
+			netif_napi_add(dev, &tnapi->napi, tg3_poll_msix, 64);
+		} else {
+			tnapi->coal_now = HOSTCC_MODE_NOW;
+			netif_napi_add(dev, &tnapi->napi, tg3_poll, 64);
+		}
+
+		if (!(tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX))
+			break;
+
+		/*
+		 * If we support MSIX, we'll be using RSS.  If we're using
+		 * RSS, the first vector only handles link interrupts and the
+		 * remaining vectors handle rx and tx interrupts.  Reuse the
+		 * mailbox values for the next iteration.  The values we setup
+		 * above are still useful for the single vectored mode.
+		 */
+		if (!i)
+			continue;
+
+		rcvmbx += 0x8;
+
+		if (sndmbx & 0x4)
+			sndmbx -= 0x4;
+		else
+			sndmbx += 0xc;
+	}
+
 	tg3_init_coal(tp);
 
 	pci_set_drvdata(pdev, dev);
-- 
GitLab


From afc081f83c59a7cf2c025a3ed89d011b5db556eb Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Fri, 13 Nov 2009 13:03:43 +0000
Subject: [PATCH 1260/1815] tg3: Make tg3_alloc_rx_skb() a dst-only operation

This patch removes the source index parameter of tg3_alloc_rx_skb().  A
later patch will make it possible for the source and destination
producer rings to be different.  This patch opts to make
tg3_alloc_rx_skb() a destination-only implementation and move the code
sensitive to the difference elsewhere.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 22 +++++++++-------------
 1 file changed, 9 insertions(+), 13 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index f0360f8b8f7..ef6408018d2 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -4409,7 +4409,7 @@ static void tg3_tx(struct tg3_napi *tnapi)
  * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
  */
 static int tg3_alloc_rx_skb(struct tg3_napi *tnapi, u32 opaque_key,
-			    int src_idx, u32 dest_idx_unmasked)
+			    u32 dest_idx_unmasked)
 {
 	struct tg3 *tp = tnapi->tp;
 	struct tg3_rx_buffer_desc *desc;
@@ -4425,8 +4425,6 @@ static int tg3_alloc_rx_skb(struct tg3_napi *tnapi, u32 opaque_key,
 		dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
 		desc = &tpr->rx_std[dest_idx];
 		map = &tpr->rx_std_buffers[dest_idx];
-		if (src_idx >= 0)
-			src_map = &tpr->rx_std_buffers[src_idx];
 		skb_size = tp->rx_pkt_map_sz;
 		break;
 
@@ -4434,8 +4432,6 @@ static int tg3_alloc_rx_skb(struct tg3_napi *tnapi, u32 opaque_key,
 		dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
 		desc = &tpr->rx_jmb[dest_idx].std;
 		map = &tpr->rx_jmb_buffers[dest_idx];
-		if (src_idx >= 0)
-			src_map = &tpr->rx_jmb_buffers[src_idx];
 		skb_size = TG3_RX_JMB_MAP_SZ;
 		break;
 
@@ -4465,9 +4461,6 @@ static int tg3_alloc_rx_skb(struct tg3_napi *tnapi, u32 opaque_key,
 	map->skb = skb;
 	pci_unmap_addr_set(map, mapping, mapping);
 
-	if (src_map != NULL)
-		src_map->skb = NULL;
-
 	desc->addr_hi = ((u64)mapping >> 32);
 	desc->addr_lo = ((u64)mapping & 0xffffffff);
 
@@ -4559,6 +4552,7 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
 	work_mask = 0;
 	received = 0;
 	while (sw_idx != hw_idx && budget > 0) {
+		struct ring_info *ri;
 		struct tg3_rx_buffer_desc *desc = &tnapi->rx_rcb[sw_idx];
 		unsigned int len;
 		struct sk_buff *skb;
@@ -4568,13 +4562,13 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
 		desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
 		opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
 		if (opaque_key == RXD_OPAQUE_RING_STD) {
-			struct ring_info *ri = &tpr->rx_std_buffers[desc_idx];
+			ri = &tpr->rx_std_buffers[desc_idx];
 			dma_addr = pci_unmap_addr(ri, mapping);
 			skb = ri->skb;
 			post_ptr = &tpr->rx_std_ptr;
 			rx_std_posted++;
 		} else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
-			struct ring_info *ri = &tpr->rx_jmb_buffers[desc_idx];
+			ri = &tpr->rx_jmb_buffers[desc_idx];
 			dma_addr = pci_unmap_addr(ri, mapping);
 			skb = ri->skb;
 			post_ptr = &tpr->rx_jmb_ptr;
@@ -4607,10 +4601,12 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
 			int skb_size;
 
 			skb_size = tg3_alloc_rx_skb(tnapi, opaque_key,
-						    desc_idx, *post_ptr);
+						    *post_ptr);
 			if (skb_size < 0)
 				goto drop_it;
 
+			ri->skb = NULL;
+
 			pci_unmap_single(tp->pdev, dma_addr, skb_size,
 					 PCI_DMA_FROMDEVICE);
 
@@ -5774,7 +5770,7 @@ static int tg3_rx_prodring_alloc(struct tg3 *tp,
 
 	/* Now allocate fresh SKBs for each rx ring. */
 	for (i = 0; i < tp->rx_pending; i++) {
-		if (tg3_alloc_rx_skb(tnapi, RXD_OPAQUE_RING_STD, -1, i) < 0) {
+		if (tg3_alloc_rx_skb(tnapi, RXD_OPAQUE_RING_STD, i) < 0) {
 			printk(KERN_WARNING PFX
 			       "%s: Using a smaller RX standard ring, "
 			       "only %d out of %d buffers were allocated "
@@ -5806,7 +5802,7 @@ static int tg3_rx_prodring_alloc(struct tg3 *tp,
 
 		for (i = 0; i < tp->rx_jumbo_pending; i++) {
 			if (tg3_alloc_rx_skb(tnapi, RXD_OPAQUE_RING_JUMBO,
-					     -1, i) < 0) {
+					     i) < 0) {
 				printk(KERN_WARNING PFX
 				       "%s: Using a smaller RX jumbo ring, "
 				       "only %d out of %d buffers were "
-- 
GitLab


From a3896167160ce9ad1eadeb88fd2f3971888444ae Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Fri, 13 Nov 2009 13:03:44 +0000
Subject: [PATCH 1261/1815] tg3: Add prodring parameter to tg3_alloc_rx_skb()

This patch changes the tg3_alloc_rx_skb() implementation to accept the
destination producer ring set pointer as a parameter rather than
assuming the source and destination producer rings are the same.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 41 +++++++++++++++++++++--------------------
 1 file changed, 21 insertions(+), 20 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index ef6408018d2..9251bb523e9 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -4408,8 +4408,9 @@ static void tg3_tx(struct tg3_napi *tnapi)
  * buffers the cpu only reads the last cacheline of the RX descriptor
  * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
  */
-static int tg3_alloc_rx_skb(struct tg3_napi *tnapi, u32 opaque_key,
-			    u32 dest_idx_unmasked)
+static int tg3_alloc_rx_skb(struct tg3_napi *tnapi,
+			    struct tg3_rx_prodring_set *tpr,
+			    u32 opaque_key, u32 dest_idx_unmasked)
 {
 	struct tg3 *tp = tnapi->tp;
 	struct tg3_rx_buffer_desc *desc;
@@ -4417,7 +4418,6 @@ static int tg3_alloc_rx_skb(struct tg3_napi *tnapi, u32 opaque_key,
 	struct sk_buff *skb;
 	dma_addr_t mapping;
 	int skb_size, dest_idx;
-	struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
 
 	src_map = NULL;
 	switch (opaque_key) {
@@ -4471,30 +4471,32 @@ static int tg3_alloc_rx_skb(struct tg3_napi *tnapi, u32 opaque_key,
  * members of the RX descriptor are invariant.  See notes above
  * tg3_alloc_rx_skb for full details.
  */
-static void tg3_recycle_rx(struct tg3_napi *tnapi, u32 opaque_key,
-			   int src_idx, u32 dest_idx_unmasked)
+static void tg3_recycle_rx(struct tg3_napi *tnapi,
+			   struct tg3_rx_prodring_set *dpr,
+			   u32 opaque_key, int src_idx,
+			   u32 dest_idx_unmasked)
 {
 	struct tg3 *tp = tnapi->tp;
 	struct tg3_rx_buffer_desc *src_desc, *dest_desc;
 	struct ring_info *src_map, *dest_map;
 	int dest_idx;
-	struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
+	struct tg3_rx_prodring_set *spr = &tp->prodring[0];
 
 	switch (opaque_key) {
 	case RXD_OPAQUE_RING_STD:
 		dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
-		dest_desc = &tpr->rx_std[dest_idx];
-		dest_map = &tpr->rx_std_buffers[dest_idx];
-		src_desc = &tpr->rx_std[src_idx];
-		src_map = &tpr->rx_std_buffers[src_idx];
+		dest_desc = &dpr->rx_std[dest_idx];
+		dest_map = &dpr->rx_std_buffers[dest_idx];
+		src_desc = &spr->rx_std[src_idx];
+		src_map = &spr->rx_std_buffers[src_idx];
 		break;
 
 	case RXD_OPAQUE_RING_JUMBO:
 		dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
-		dest_desc = &tpr->rx_jmb[dest_idx].std;
-		dest_map = &tpr->rx_jmb_buffers[dest_idx];
-		src_desc = &tpr->rx_jmb[src_idx].std;
-		src_map = &tpr->rx_jmb_buffers[src_idx];
+		dest_desc = &dpr->rx_jmb[dest_idx].std;
+		dest_map = &dpr->rx_jmb_buffers[dest_idx];
+		src_desc = &spr->rx_jmb[src_idx].std;
+		src_map = &spr->rx_jmb_buffers[src_idx];
 		break;
 
 	default:
@@ -4506,7 +4508,6 @@ static void tg3_recycle_rx(struct tg3_napi *tnapi, u32 opaque_key,
 			   pci_unmap_addr(src_map, mapping));
 	dest_desc->addr_hi = src_desc->addr_hi;
 	dest_desc->addr_lo = src_desc->addr_lo;
-
 	src_map->skb = NULL;
 }
 
@@ -4580,7 +4581,7 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
 		if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
 		    (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
 		drop_it:
-			tg3_recycle_rx(tnapi, opaque_key,
+			tg3_recycle_rx(tnapi, tpr, opaque_key,
 				       desc_idx, *post_ptr);
 		drop_it_no_recycle:
 			/* Other statistics kept track of by card. */
@@ -4600,7 +4601,7 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
 		) {
 			int skb_size;
 
-			skb_size = tg3_alloc_rx_skb(tnapi, opaque_key,
+			skb_size = tg3_alloc_rx_skb(tnapi, tpr, opaque_key,
 						    *post_ptr);
 			if (skb_size < 0)
 				goto drop_it;
@@ -4614,7 +4615,7 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
 		} else {
 			struct sk_buff *copy_skb;
 
-			tg3_recycle_rx(tnapi, opaque_key,
+			tg3_recycle_rx(tnapi, tpr, opaque_key,
 				       desc_idx, *post_ptr);
 
 			copy_skb = netdev_alloc_skb(tp->dev,
@@ -5770,7 +5771,7 @@ static int tg3_rx_prodring_alloc(struct tg3 *tp,
 
 	/* Now allocate fresh SKBs for each rx ring. */
 	for (i = 0; i < tp->rx_pending; i++) {
-		if (tg3_alloc_rx_skb(tnapi, RXD_OPAQUE_RING_STD, i) < 0) {
+		if (tg3_alloc_rx_skb(tnapi, tpr, RXD_OPAQUE_RING_STD, i) < 0) {
 			printk(KERN_WARNING PFX
 			       "%s: Using a smaller RX standard ring, "
 			       "only %d out of %d buffers were allocated "
@@ -5801,7 +5802,7 @@ static int tg3_rx_prodring_alloc(struct tg3 *tp,
 		}
 
 		for (i = 0; i < tp->rx_jumbo_pending; i++) {
-			if (tg3_alloc_rx_skb(tnapi, RXD_OPAQUE_RING_JUMBO,
+			if (tg3_alloc_rx_skb(tnapi, tpr, RXD_OPAQUE_RING_JUMBO,
 					     i) < 0) {
 				printk(KERN_WARNING PFX
 				       "%s: Using a smaller RX jumbo ring, "
-- 
GitLab


From 86b21e59c9a65c8e46d35ac6c4220f63639828c6 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Fri, 13 Nov 2009 13:03:45 +0000
Subject: [PATCH 1262/1815] tg3: tg3_alloc_rx_skb(tnapi => tp)

This patch converts the tnapi argument of tg3_alloc_rx_skb() to tp.  The
level of indirection is unnecessary.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 9251bb523e9..00e7e14fd3f 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -4408,11 +4408,9 @@ static void tg3_tx(struct tg3_napi *tnapi)
  * buffers the cpu only reads the last cacheline of the RX descriptor
  * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
  */
-static int tg3_alloc_rx_skb(struct tg3_napi *tnapi,
-			    struct tg3_rx_prodring_set *tpr,
+static int tg3_alloc_rx_skb(struct tg3 *tp, struct tg3_rx_prodring_set *tpr,
 			    u32 opaque_key, u32 dest_idx_unmasked)
 {
-	struct tg3 *tp = tnapi->tp;
 	struct tg3_rx_buffer_desc *desc;
 	struct ring_info *map, *src_map;
 	struct sk_buff *skb;
@@ -4601,7 +4599,7 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
 		) {
 			int skb_size;
 
-			skb_size = tg3_alloc_rx_skb(tnapi, tpr, opaque_key,
+			skb_size = tg3_alloc_rx_skb(tp, tpr, opaque_key,
 						    *post_ptr);
 			if (skb_size < 0)
 				goto drop_it;
@@ -5744,7 +5742,6 @@ static int tg3_rx_prodring_alloc(struct tg3 *tp,
 				 struct tg3_rx_prodring_set *tpr)
 {
 	u32 i, rx_pkt_dma_sz;
-	struct tg3_napi *tnapi = &tp->napi[0];
 
 	/* Zero out all descriptors. */
 	memset(tpr->rx_std, 0, TG3_RX_RING_BYTES);
@@ -5771,7 +5768,7 @@ static int tg3_rx_prodring_alloc(struct tg3 *tp,
 
 	/* Now allocate fresh SKBs for each rx ring. */
 	for (i = 0; i < tp->rx_pending; i++) {
-		if (tg3_alloc_rx_skb(tnapi, tpr, RXD_OPAQUE_RING_STD, i) < 0) {
+		if (tg3_alloc_rx_skb(tp, tpr, RXD_OPAQUE_RING_STD, i) < 0) {
 			printk(KERN_WARNING PFX
 			       "%s: Using a smaller RX standard ring, "
 			       "only %d out of %d buffers were allocated "
@@ -5802,7 +5799,7 @@ static int tg3_rx_prodring_alloc(struct tg3 *tp,
 		}
 
 		for (i = 0; i < tp->rx_jumbo_pending; i++) {
-			if (tg3_alloc_rx_skb(tnapi, tpr, RXD_OPAQUE_RING_JUMBO,
+			if (tg3_alloc_rx_skb(tp, tpr, RXD_OPAQUE_RING_JUMBO,
 					     i) < 0) {
 				printk(KERN_WARNING PFX
 				       "%s: Using a smaller RX jumbo ring, "
-- 
GitLab


From 411da6407e778bf946911df08bb5afc505422f31 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Fri, 13 Nov 2009 13:03:46 +0000
Subject: [PATCH 1263/1815] tg3: rename rx_[std|jmb]_ptr

A later patch is going to add consumer indicies for the producer rings.
To keep things readable, this patch renames rx_[std|jmb]_ptr to
rx_[std|jmb]_prod_idx.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 16 ++++++++--------
 drivers/net/tg3.h |  4 ++--
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 00e7e14fd3f..59a715a2562 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -4564,13 +4564,13 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
 			ri = &tpr->rx_std_buffers[desc_idx];
 			dma_addr = pci_unmap_addr(ri, mapping);
 			skb = ri->skb;
-			post_ptr = &tpr->rx_std_ptr;
+			post_ptr = &tpr->rx_std_prod_idx;
 			rx_std_posted++;
 		} else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
 			ri = &tpr->rx_jmb_buffers[desc_idx];
 			dma_addr = pci_unmap_addr(ri, mapping);
 			skb = ri->skb;
-			post_ptr = &tpr->rx_jmb_ptr;
+			post_ptr = &tpr->rx_jmb_prod_idx;
 		} else
 			goto next_pkt_nopost;
 
@@ -4687,12 +4687,12 @@ next_pkt_nopost:
 
 	/* Refill RX ring(s). */
 	if (work_mask & RXD_OPAQUE_RING_STD) {
-		sw_idx = tpr->rx_std_ptr % TG3_RX_RING_SIZE;
+		sw_idx = tpr->rx_std_prod_idx % TG3_RX_RING_SIZE;
 		tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
 			     sw_idx);
 	}
 	if (work_mask & RXD_OPAQUE_RING_JUMBO) {
-		sw_idx = tpr->rx_jmb_ptr % TG3_RX_JUMBO_RING_SIZE;
+		sw_idx = tpr->rx_jmb_prod_idx % TG3_RX_JUMBO_RING_SIZE;
 		tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
 			     sw_idx);
 	}
@@ -7509,14 +7509,14 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
 
 	tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS, val);
 
-	tpr->rx_std_ptr = tp->rx_pending;
+	tpr->rx_std_prod_idx = tp->rx_pending;
 	tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
-		     tpr->rx_std_ptr);
+		     tpr->rx_std_prod_idx);
 
-	tpr->rx_jmb_ptr = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
+	tpr->rx_jmb_prod_idx = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
 			  tp->rx_jumbo_pending : 0;
 	tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
-		     tpr->rx_jmb_ptr);
+		     tpr->rx_jmb_prod_idx);
 
 	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
 		tw32(STD_REPLENISH_LWM, 32);
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 42fefa11c05..e0b86ba3b5b 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2570,8 +2570,8 @@ struct tg3_ethtool_stats {
 };
 
 struct tg3_rx_prodring_set {
-	u32				rx_std_ptr;
-	u32				rx_jmb_ptr;
+	u32				rx_std_prod_idx;
+	u32				rx_jmb_prod_idx;
 	struct tg3_rx_buffer_desc	*rx_std;
 	struct tg3_ext_rx_buffer_desc	*rx_jmb;
 	struct ring_info		*rx_std_buffers;
-- 
GitLab


From 4361935afe3abc3e5a93006b99197fac1fabbd50 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Fri, 13 Nov 2009 13:03:47 +0000
Subject: [PATCH 1264/1815] tg3: Consider rx_std_prod_idx a hw mailbox

This patch changes how the code uses the rx_std_prod_idx member.  In the
following patch, the code will be changed so that it will act just like
a hardware mailbox.  This patch prepares the code so that memory barriers
can be more easily inserted.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 59a715a2562..beda9bf0767 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -4537,6 +4537,7 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
 {
 	struct tg3 *tp = tnapi->tp;
 	u32 work_mask, rx_std_posted = 0;
+	u32 std_prod_idx, jmb_prod_idx;
 	u32 sw_idx = tnapi->rx_rcb_ptr;
 	u16 hw_idx;
 	int received;
@@ -4550,6 +4551,8 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
 	rmb();
 	work_mask = 0;
 	received = 0;
+	std_prod_idx = tpr->rx_std_prod_idx;
+	jmb_prod_idx = tpr->rx_jmb_prod_idx;
 	while (sw_idx != hw_idx && budget > 0) {
 		struct ring_info *ri;
 		struct tg3_rx_buffer_desc *desc = &tnapi->rx_rcb[sw_idx];
@@ -4564,13 +4567,13 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
 			ri = &tpr->rx_std_buffers[desc_idx];
 			dma_addr = pci_unmap_addr(ri, mapping);
 			skb = ri->skb;
-			post_ptr = &tpr->rx_std_prod_idx;
+			post_ptr = &std_prod_idx;
 			rx_std_posted++;
 		} else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
 			ri = &tpr->rx_jmb_buffers[desc_idx];
 			dma_addr = pci_unmap_addr(ri, mapping);
 			skb = ri->skb;
-			post_ptr = &tpr->rx_jmb_prod_idx;
+			post_ptr = &jmb_prod_idx;
 		} else
 			goto next_pkt_nopost;
 
@@ -4687,14 +4690,14 @@ next_pkt_nopost:
 
 	/* Refill RX ring(s). */
 	if (work_mask & RXD_OPAQUE_RING_STD) {
-		sw_idx = tpr->rx_std_prod_idx % TG3_RX_RING_SIZE;
+		tpr->rx_std_prod_idx = std_prod_idx % TG3_RX_RING_SIZE;
 		tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
-			     sw_idx);
+			     tpr->rx_std_prod_idx);
 	}
 	if (work_mask & RXD_OPAQUE_RING_JUMBO) {
-		sw_idx = tpr->rx_jmb_prod_idx % TG3_RX_JUMBO_RING_SIZE;
+		tpr->rx_jmb_prod_idx = jmb_prod_idx % TG3_RX_JUMBO_RING_SIZE;
 		tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
-			     sw_idx);
+			     tpr->rx_jmb_prod_idx);
 	}
 	mmiowb();
 
-- 
GitLab


From 2b2cdb65bec42d38268b2ac115876b066afa7f95 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Fri, 13 Nov 2009 13:03:48 +0000
Subject: [PATCH 1265/1815] tg3: Lay proucer ring handling groundwork

The patch increases the number of producer rings available and
implements the constructor and destructor code that deals with them.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 85 +++++++++++++++++++++++++++--------------------
 drivers/net/tg3.h |  2 +-
 2 files changed, 50 insertions(+), 37 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index beda9bf0767..168a7ca58b8 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -137,6 +137,12 @@
 #define TG3_RX_STD_MAP_SZ		TG3_RX_DMA_TO_MAP_SZ(TG3_RX_STD_DMA_SZ)
 #define TG3_RX_JMB_MAP_SZ		TG3_RX_DMA_TO_MAP_SZ(TG3_RX_JMB_DMA_SZ)
 
+#define TG3_RX_STD_BUFF_RING_SIZE \
+	(sizeof(struct ring_info) * TG3_RX_RING_SIZE)
+
+#define TG3_RX_JMB_BUFF_RING_SIZE \
+	(sizeof(struct ring_info) * TG3_RX_JUMBO_RING_SIZE)
+
 /* minimum number of free TX descriptors required to wake up TX process */
 #define TG3_TX_WAKEUP_THRESH(tnapi)		((tnapi)->tx_pending / 4)
 
@@ -4397,6 +4403,17 @@ static void tg3_tx(struct tg3_napi *tnapi)
 	}
 }
 
+static void tg3_rx_skb_free(struct tg3 *tp, struct ring_info *ri, u32 map_sz)
+{
+	if (!ri->skb)
+		return;
+
+	pci_unmap_single(tp->pdev, pci_unmap_addr(ri, mapping),
+			 map_sz, PCI_DMA_FROMDEVICE);
+	dev_kfree_skb_any(ri->skb);
+	ri->skb = NULL;
+}
+
 /* Returns size of skb allocated or < 0 on error.
  *
  * We only need to fill in the address because the other members
@@ -5701,36 +5718,18 @@ static void tg3_rx_prodring_free(struct tg3 *tp,
 				 struct tg3_rx_prodring_set *tpr)
 {
 	int i;
-	struct ring_info *rxp;
 
-	for (i = 0; i < TG3_RX_RING_SIZE; i++) {
-		rxp = &tpr->rx_std_buffers[i];
+	if (tpr != &tp->prodring[0])
+		return;
 
-		if (rxp->skb == NULL)
-			continue;
-
-		pci_unmap_single(tp->pdev,
-				 pci_unmap_addr(rxp, mapping),
-				 tp->rx_pkt_map_sz,
-				 PCI_DMA_FROMDEVICE);
-		dev_kfree_skb_any(rxp->skb);
-		rxp->skb = NULL;
-	}
+	for (i = 0; i < TG3_RX_RING_SIZE; i++)
+		tg3_rx_skb_free(tp, &tpr->rx_std_buffers[i],
+				tp->rx_pkt_map_sz);
 
 	if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
-		for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
-			rxp = &tpr->rx_jmb_buffers[i];
-
-			if (rxp->skb == NULL)
-				continue;
-
-			pci_unmap_single(tp->pdev,
-					 pci_unmap_addr(rxp, mapping),
-					 TG3_RX_JMB_MAP_SZ,
-					 PCI_DMA_FROMDEVICE);
-			dev_kfree_skb_any(rxp->skb);
-			rxp->skb = NULL;
-		}
+		for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++)
+			tg3_rx_skb_free(tp, &tpr->rx_jmb_buffers[i],
+					TG3_RX_JMB_MAP_SZ);
 	}
 }
 
@@ -5746,6 +5745,14 @@ static int tg3_rx_prodring_alloc(struct tg3 *tp,
 {
 	u32 i, rx_pkt_dma_sz;
 
+	if (tpr != &tp->prodring[0]) {
+		memset(&tpr->rx_std_buffers[0], 0, TG3_RX_STD_BUFF_RING_SIZE);
+		if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE)
+			memset(&tpr->rx_jmb_buffers[0], 0,
+			       TG3_RX_JMB_BUFF_RING_SIZE);
+		goto done;
+	}
+
 	/* Zero out all descriptors. */
 	memset(tpr->rx_std, 0, TG3_RX_RING_BYTES);
 
@@ -5847,8 +5854,7 @@ static void tg3_rx_prodring_fini(struct tg3 *tp,
 static int tg3_rx_prodring_init(struct tg3 *tp,
 				struct tg3_rx_prodring_set *tpr)
 {
-	tpr->rx_std_buffers = kzalloc(sizeof(struct ring_info) *
-				      TG3_RX_RING_SIZE, GFP_KERNEL);
+	tpr->rx_std_buffers = kzalloc(TG3_RX_STD_BUFF_RING_SIZE, GFP_KERNEL);
 	if (!tpr->rx_std_buffers)
 		return -ENOMEM;
 
@@ -5858,8 +5864,7 @@ static int tg3_rx_prodring_init(struct tg3 *tp,
 		goto err_out;
 
 	if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
-		tpr->rx_jmb_buffers = kzalloc(sizeof(struct ring_info) *
-					      TG3_RX_JUMBO_RING_SIZE,
+		tpr->rx_jmb_buffers = kzalloc(TG3_RX_JMB_BUFF_RING_SIZE,
 					      GFP_KERNEL);
 		if (!tpr->rx_jmb_buffers)
 			goto err_out;
@@ -5915,9 +5920,10 @@ static void tg3_free_rings(struct tg3 *tp)
 
 			dev_kfree_skb_any(skb);
 		}
-	}
 
-	tg3_rx_prodring_free(tp, &tp->prodring[0]);
+		if (tp->irq_cnt == 1 || j != tp->irq_cnt - 1)
+			tg3_rx_prodring_free(tp, &tp->prodring[j]);
+	}
 }
 
 /* Initialize tx/rx rings for packet processing.
@@ -5951,9 +5957,13 @@ static int tg3_init_rings(struct tg3 *tp)
 		tnapi->rx_rcb_ptr = 0;
 		if (tnapi->rx_rcb)
 			memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
+
+		if ((tp->irq_cnt == 1 || i != tp->irq_cnt - 1) &&
+			tg3_rx_prodring_alloc(tp, &tp->prodring[i]))
+			return -ENOMEM;
 	}
 
-	return tg3_rx_prodring_alloc(tp, &tp->prodring[0]);
+	return 0;
 }
 
 /*
@@ -5997,7 +6007,8 @@ static void tg3_free_consistent(struct tg3 *tp)
 		tp->hw_stats = NULL;
 	}
 
-	tg3_rx_prodring_fini(tp, &tp->prodring[0]);
+	for (i = 0; i < (tp->irq_cnt == 1 ? 1 : tp->irq_cnt - 1); i++)
+		tg3_rx_prodring_fini(tp, &tp->prodring[i]);
 }
 
 /*
@@ -6008,8 +6019,10 @@ static int tg3_alloc_consistent(struct tg3 *tp)
 {
 	int i;
 
-	if (tg3_rx_prodring_init(tp, &tp->prodring[0]))
-		return -ENOMEM;
+	for (i = 0; i < (tp->irq_cnt == 1 ? 1 : tp->irq_cnt - 1); i++) {
+		if (tg3_rx_prodring_init(tp, &tp->prodring[i]))
+			goto err_out;
+	}
 
 	tp->hw_stats = pci_alloc_consistent(tp->pdev,
 					    sizeof(struct tg3_hw_stats),
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index e0b86ba3b5b..715df2b595d 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2682,7 +2682,7 @@ struct tg3 {
 	struct vlan_group		*vlgrp;
 #endif
 
-	struct tg3_rx_prodring_set	prodring[1];
+	struct tg3_rx_prodring_set	prodring[TG3_IRQ_MAX_VECS - 1];
 
 
 	/* begin "everything else" cacheline(s) section */
-- 
GitLab


From 66711e66639776685aeaad774488be1857abce26 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Fri, 13 Nov 2009 13:03:49 +0000
Subject: [PATCH 1266/1815] tg3: Create aliases for rx producer mailbox regs

The rx producer mailbox registers are used in several spots in the code.
The addition of TG3_64BIT_REG_LOW makes register references
uncomfortably long.  This patch creates an alias for the standard and
jumbo ring producer index registers to make the code cleaner.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 18 ++++++------------
 drivers/net/tg3.h |  4 ++++
 2 files changed, 10 insertions(+), 12 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 168a7ca58b8..05fd42f8f4e 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -402,7 +402,7 @@ static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
 				       TG3_64BIT_REG_LOW, val);
 		return;
 	}
-	if (off == (MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW)) {
+	if (off == TG3_RX_STD_PROD_IDX_REG) {
 		pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
 				       TG3_64BIT_REG_LOW, val);
 		return;
@@ -4684,9 +4684,7 @@ next_pkt:
 
 		if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
 			u32 idx = *post_ptr % TG3_RX_RING_SIZE;
-
-			tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX +
-				     TG3_64BIT_REG_LOW, idx);
+			tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG, idx);
 			work_mask &= ~RXD_OPAQUE_RING_STD;
 			rx_std_posted = 0;
 		}
@@ -4708,13 +4706,11 @@ next_pkt_nopost:
 	/* Refill RX ring(s). */
 	if (work_mask & RXD_OPAQUE_RING_STD) {
 		tpr->rx_std_prod_idx = std_prod_idx % TG3_RX_RING_SIZE;
-		tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
-			     tpr->rx_std_prod_idx);
+		tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG, tpr->rx_std_prod_idx);
 	}
 	if (work_mask & RXD_OPAQUE_RING_JUMBO) {
 		tpr->rx_jmb_prod_idx = jmb_prod_idx % TG3_RX_JUMBO_RING_SIZE;
-		tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
-			     tpr->rx_jmb_prod_idx);
+		tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG, tpr->rx_jmb_prod_idx);
 	}
 	mmiowb();
 
@@ -7526,13 +7522,11 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
 	tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS, val);
 
 	tpr->rx_std_prod_idx = tp->rx_pending;
-	tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
-		     tpr->rx_std_prod_idx);
+	tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG, tpr->rx_std_prod_idx);
 
 	tpr->rx_jmb_prod_idx = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
 			  tp->rx_jumbo_pending : 0;
-	tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
-		     tpr->rx_jmb_prod_idx);
+	tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG, tpr->rx_jmb_prod_idx);
 
 	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
 		tw32(STD_REPLENISH_LWM, 32);
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 715df2b595d..bbfbc5e5d60 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -242,7 +242,11 @@
 #define MAILBOX_GENERAL_7		0x00000258 /* 64-bit */
 #define MAILBOX_RELOAD_STAT		0x00000260 /* 64-bit */
 #define MAILBOX_RCV_STD_PROD_IDX	0x00000268 /* 64-bit */
+#define TG3_RX_STD_PROD_IDX_REG		(MAILBOX_RCV_STD_PROD_IDX + \
+					 TG3_64BIT_REG_LOW)
 #define MAILBOX_RCV_JUMBO_PROD_IDX	0x00000270 /* 64-bit */
+#define TG3_RX_JMB_PROD_IDX_REG		(MAILBOX_RCV_JUMBO_PROD_IDX + \
+					 TG3_64BIT_REG_LOW)
 #define MAILBOX_RCV_MINI_PROD_IDX	0x00000278 /* 64-bit */
 #define MAILBOX_RCVRET_CON_IDX_0	0x00000280 /* 64-bit */
 #define MAILBOX_RCVRET_CON_IDX_1	0x00000288 /* 64-bit */
-- 
GitLab


From b196c7e45f30cbcd38c83386bc8a04a21477f8d3 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Fri, 13 Nov 2009 13:03:50 +0000
Subject: [PATCH 1267/1815] tg3: Add rx prod ring consolidation

This patch adds code to funnel each MSI-X vector's rx packet buffers
into a single set of producer rings which will then be submitted to the
hardware.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 171 +++++++++++++++++++++++++++++++++++++++++++---
 drivers/net/tg3.h |   3 +
 2 files changed, 164 insertions(+), 10 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 05fd42f8f4e..3ff2d40e63d 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -4558,7 +4558,7 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
 	u32 sw_idx = tnapi->rx_rcb_ptr;
 	u16 hw_idx;
 	int received;
-	struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
+	struct tg3_rx_prodring_set *tpr = tnapi->prodring;
 
 	hw_idx = *(tnapi->rx_rcb_prod_idx);
 	/*
@@ -4581,13 +4581,13 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
 		desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
 		opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
 		if (opaque_key == RXD_OPAQUE_RING_STD) {
-			ri = &tpr->rx_std_buffers[desc_idx];
+			ri = &tp->prodring[0].rx_std_buffers[desc_idx];
 			dma_addr = pci_unmap_addr(ri, mapping);
 			skb = ri->skb;
 			post_ptr = &std_prod_idx;
 			rx_std_posted++;
 		} else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
-			ri = &tpr->rx_jmb_buffers[desc_idx];
+			ri = &tp->prodring[0].rx_jmb_buffers[desc_idx];
 			dma_addr = pci_unmap_addr(ri, mapping);
 			skb = ri->skb;
 			post_ptr = &jmb_prod_idx;
@@ -4704,15 +4704,30 @@ next_pkt_nopost:
 	tw32_rx_mbox(tnapi->consmbox, sw_idx);
 
 	/* Refill RX ring(s). */
-	if (work_mask & RXD_OPAQUE_RING_STD) {
+	if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS) || tnapi == &tp->napi[1]) {
+		if (work_mask & RXD_OPAQUE_RING_STD) {
+			tpr->rx_std_prod_idx = std_prod_idx % TG3_RX_RING_SIZE;
+			tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
+				     tpr->rx_std_prod_idx);
+		}
+		if (work_mask & RXD_OPAQUE_RING_JUMBO) {
+			tpr->rx_jmb_prod_idx = jmb_prod_idx %
+					       TG3_RX_JUMBO_RING_SIZE;
+			tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG,
+				     tpr->rx_jmb_prod_idx);
+		}
+		mmiowb();
+	} else if (work_mask) {
+		/* rx_std_buffers[] and rx_jmb_buffers[] entries must be
+		 * updated before the producer indices can be updated.
+		 */
+		smp_wmb();
+
 		tpr->rx_std_prod_idx = std_prod_idx % TG3_RX_RING_SIZE;
-		tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG, tpr->rx_std_prod_idx);
-	}
-	if (work_mask & RXD_OPAQUE_RING_JUMBO) {
 		tpr->rx_jmb_prod_idx = jmb_prod_idx % TG3_RX_JUMBO_RING_SIZE;
-		tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG, tpr->rx_jmb_prod_idx);
+
+		napi_schedule(&tp->napi[1].napi);
 	}
-	mmiowb();
 
 	return received;
 }
@@ -4743,6 +4758,93 @@ static void tg3_poll_link(struct tg3 *tp)
 	}
 }
 
+static void tg3_rx_prodring_xfer(struct tg3 *tp,
+				 struct tg3_rx_prodring_set *dpr,
+				 struct tg3_rx_prodring_set *spr)
+{
+	u32 si, di, cpycnt, src_prod_idx;
+	int i;
+
+	while (1) {
+		src_prod_idx = spr->rx_std_prod_idx;
+
+		/* Make sure updates to the rx_std_buffers[] entries and the
+		 * standard producer index are seen in the correct order.
+		 */
+		smp_rmb();
+
+		if (spr->rx_std_cons_idx == src_prod_idx)
+			break;
+
+		if (spr->rx_std_cons_idx < src_prod_idx)
+			cpycnt = src_prod_idx - spr->rx_std_cons_idx;
+		else
+			cpycnt = TG3_RX_RING_SIZE - spr->rx_std_cons_idx;
+
+		cpycnt = min(cpycnt, TG3_RX_RING_SIZE - dpr->rx_std_prod_idx);
+
+		si = spr->rx_std_cons_idx;
+		di = dpr->rx_std_prod_idx;
+
+		memcpy(&dpr->rx_std_buffers[di],
+		       &spr->rx_std_buffers[si],
+		       cpycnt * sizeof(struct ring_info));
+
+		for (i = 0; i < cpycnt; i++, di++, si++) {
+			struct tg3_rx_buffer_desc *sbd, *dbd;
+			sbd = &spr->rx_std[si];
+			dbd = &dpr->rx_std[di];
+			dbd->addr_hi = sbd->addr_hi;
+			dbd->addr_lo = sbd->addr_lo;
+		}
+
+		spr->rx_std_cons_idx = (spr->rx_std_cons_idx + cpycnt) %
+				       TG3_RX_RING_SIZE;
+		dpr->rx_std_prod_idx = (dpr->rx_std_prod_idx + cpycnt) %
+				       TG3_RX_RING_SIZE;
+	}
+
+	while (1) {
+		src_prod_idx = spr->rx_jmb_prod_idx;
+
+		/* Make sure updates to the rx_jmb_buffers[] entries and
+		 * the jumbo producer index are seen in the correct order.
+		 */
+		smp_rmb();
+
+		if (spr->rx_jmb_cons_idx == src_prod_idx)
+			break;
+
+		if (spr->rx_jmb_cons_idx < src_prod_idx)
+			cpycnt = src_prod_idx - spr->rx_jmb_cons_idx;
+		else
+			cpycnt = TG3_RX_JUMBO_RING_SIZE - spr->rx_jmb_cons_idx;
+
+		cpycnt = min(cpycnt,
+			     TG3_RX_JUMBO_RING_SIZE - dpr->rx_jmb_prod_idx);
+
+		si = spr->rx_jmb_cons_idx;
+		di = dpr->rx_jmb_prod_idx;
+
+		memcpy(&dpr->rx_jmb_buffers[di],
+		       &spr->rx_jmb_buffers[si],
+		       cpycnt * sizeof(struct ring_info));
+
+		for (i = 0; i < cpycnt; i++, di++, si++) {
+			struct tg3_rx_buffer_desc *sbd, *dbd;
+			sbd = &spr->rx_jmb[si].std;
+			dbd = &dpr->rx_jmb[di].std;
+			dbd->addr_hi = sbd->addr_hi;
+			dbd->addr_lo = sbd->addr_lo;
+		}
+
+		spr->rx_jmb_cons_idx = (spr->rx_jmb_cons_idx + cpycnt) %
+				       TG3_RX_JUMBO_RING_SIZE;
+		dpr->rx_jmb_prod_idx = (dpr->rx_jmb_prod_idx + cpycnt) %
+				       TG3_RX_JUMBO_RING_SIZE;
+	}
+}
+
 static int tg3_poll_work(struct tg3_napi *tnapi, int work_done, int budget)
 {
 	struct tg3 *tp = tnapi->tp;
@@ -4761,6 +4863,30 @@ static int tg3_poll_work(struct tg3_napi *tnapi, int work_done, int budget)
 	if (*(tnapi->rx_rcb_prod_idx) != tnapi->rx_rcb_ptr)
 		work_done += tg3_rx(tnapi, budget - work_done);
 
+	if ((tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS) && tnapi == &tp->napi[1]) {
+		int i;
+		u32 std_prod_idx = tp->prodring[0].rx_std_prod_idx;
+		u32 jmb_prod_idx = tp->prodring[0].rx_jmb_prod_idx;
+
+		for (i = 2; i < tp->irq_cnt; i++)
+			tg3_rx_prodring_xfer(tp, tnapi->prodring,
+					     tp->napi[i].prodring);
+
+		wmb();
+
+		if (std_prod_idx != tp->prodring[0].rx_std_prod_idx) {
+			u32 mbox = TG3_RX_STD_PROD_IDX_REG;
+			tw32_rx_mbox(mbox, tp->prodring[0].rx_std_prod_idx);
+		}
+
+		if (jmb_prod_idx != tp->prodring[0].rx_jmb_prod_idx) {
+			u32 mbox = TG3_RX_JMB_PROD_IDX_REG;
+			tw32_rx_mbox(mbox, tp->prodring[0].rx_jmb_prod_idx);
+		}
+
+		mmiowb();
+	}
+
 	return work_done;
 }
 
@@ -5715,8 +5841,23 @@ static void tg3_rx_prodring_free(struct tg3 *tp,
 {
 	int i;
 
-	if (tpr != &tp->prodring[0])
+	if (tpr != &tp->prodring[0]) {
+		for (i = tpr->rx_std_cons_idx; i != tpr->rx_std_prod_idx;
+		     i = (i + 1) % TG3_RX_RING_SIZE)
+			tg3_rx_skb_free(tp, &tpr->rx_std_buffers[i],
+					tp->rx_pkt_map_sz);
+
+		if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
+			for (i = tpr->rx_jmb_cons_idx;
+			     i != tpr->rx_jmb_prod_idx;
+			     i = (i + 1) % TG3_RX_JUMBO_RING_SIZE) {
+				tg3_rx_skb_free(tp, &tpr->rx_jmb_buffers[i],
+						TG3_RX_JMB_MAP_SZ);
+			}
+		}
+
 		return;
+	}
 
 	for (i = 0; i < TG3_RX_RING_SIZE; i++)
 		tg3_rx_skb_free(tp, &tpr->rx_std_buffers[i],
@@ -5741,6 +5882,11 @@ static int tg3_rx_prodring_alloc(struct tg3 *tp,
 {
 	u32 i, rx_pkt_dma_sz;
 
+	tpr->rx_std_cons_idx = 0;
+	tpr->rx_std_prod_idx = 0;
+	tpr->rx_jmb_cons_idx = 0;
+	tpr->rx_jmb_prod_idx = 0;
+
 	if (tpr != &tp->prodring[0]) {
 		memset(&tpr->rx_std_buffers[0], 0, TG3_RX_STD_BUFF_RING_SIZE);
 		if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE)
@@ -6062,6 +6208,11 @@ static int tg3_alloc_consistent(struct tg3 *tp)
 			break;
 		}
 
+		if (tp->irq_cnt == 1)
+			tnapi->prodring = &tp->prodring[0];
+		else if (i)
+			tnapi->prodring = &tp->prodring[i - 1];
+
 		/*
 		 * If multivector RSS is enabled, vector 0 does not handle
 		 * rx or tx interrupts.  Don't allocate any resources for it.
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index bbfbc5e5d60..6be46abb132 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2575,7 +2575,9 @@ struct tg3_ethtool_stats {
 
 struct tg3_rx_prodring_set {
 	u32				rx_std_prod_idx;
+	u32				rx_std_cons_idx;
 	u32				rx_jmb_prod_idx;
+	u32				rx_jmb_cons_idx;
 	struct tg3_rx_buffer_desc	*rx_std;
 	struct tg3_ext_rx_buffer_desc	*rx_jmb;
 	struct ring_info		*rx_std_buffers;
@@ -2603,6 +2605,7 @@ struct tg3_napi {
 	u32				consmbox;
 	u32				rx_rcb_ptr;
 	u16				*rx_rcb_prod_idx;
+	struct tg3_rx_prodring_set	*prodring;
 
 	struct tg3_rx_buffer_desc	*rx_rcb;
 	struct tg3_tx_buffer_desc	*tx_ring;
-- 
GitLab


From 5001e2f638011859c1351f9fe57ca4e545a15c47 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Fri, 13 Nov 2009 13:03:51 +0000
Subject: [PATCH 1268/1815] tg3: Fix DIDs, Enable 5717 support

This patch fixes the 5717 variant device ID enumerations and adds those
DIDs to the PCI ID table.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 10 ++++++----
 drivers/net/tg3.h |  7 +++----
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 3ff2d40e63d..b01ea2e9ab5 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -241,6 +241,9 @@ static struct pci_device_id tg3_pci_tbl[] = {
 	{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57760)},
 	{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57790)},
 	{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57788)},
+	{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5717)},
+	{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5718)},
+	{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5724)},
 	{PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
 	{PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)},
 	{PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)},
@@ -12702,10 +12705,9 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
 	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_USE_PROD_ID_REG) {
 		u32 prod_id_asic_rev;
 
-		if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717C ||
-		    tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717S ||
-		    tp->pdev->device == TG3PCI_DEVICE_TIGON3_5718C ||
-		    tp->pdev->device == TG3PCI_DEVICE_TIGON3_5718S)
+		if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717 ||
+		    tp->pdev->device == TG3PCI_DEVICE_TIGON3_5718 ||
+		    tp->pdev->device == TG3PCI_DEVICE_TIGON3_5724)
 			pci_read_config_dword(tp->pdev,
 					      TG3PCI_GEN2_PRODID_ASICREV,
 					      &prod_id_asic_rev);
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 6be46abb132..453a34fb72b 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -46,10 +46,9 @@
 #define  TG3PCI_DEVICE_TIGON3_57788	 0x1691
 #define  TG3PCI_DEVICE_TIGON3_5785_G	 0x1699 /* GPHY */
 #define  TG3PCI_DEVICE_TIGON3_5785_F	 0x16a0 /* 10/100 only */
-#define  TG3PCI_DEVICE_TIGON3_5717C	 0x1655
-#define  TG3PCI_DEVICE_TIGON3_5717S	 0x1656
-#define  TG3PCI_DEVICE_TIGON3_5718C	 0x1665
-#define  TG3PCI_DEVICE_TIGON3_5718S	 0x1666
+#define  TG3PCI_DEVICE_TIGON3_5717	 0x1655
+#define  TG3PCI_DEVICE_TIGON3_5718	 0x1656
+#define  TG3PCI_DEVICE_TIGON3_5724	 0x165c
 /* 0x04 --> 0x64 unused */
 #define TG3PCI_MSI_DATA			0x00000064
 /* 0x66 --> 0x68 unused */
-- 
GitLab


From c5d5d1721763842a516529e553433d13b11c3f31 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Fri, 13 Nov 2009 13:03:52 +0000
Subject: [PATCH 1269/1815] tg3: Update version to 3.104

This patch updates the tg3 version to 3.104.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index b01ea2e9ab5..6e6db955b4a 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -68,8 +68,8 @@
 
 #define DRV_MODULE_NAME		"tg3"
 #define PFX DRV_MODULE_NAME	": "
-#define DRV_MODULE_VERSION	"3.103"
-#define DRV_MODULE_RELDATE	"November 2, 2009"
+#define DRV_MODULE_VERSION	"3.104"
+#define DRV_MODULE_RELDATE	"November 13, 2009"
 
 #define TG3_DEF_MAC_MODE	0
 #define TG3_DEF_RX_MODE		0
-- 
GitLab


From b93ab837a2d3eb394082c9eae4ee0a4f83060027 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 13 Nov 2009 06:33:11 +0000
Subject: [PATCH 1270/1815] vlan: Use __vlan_hwaccel_put_tag() in rx

Commit 05423b241311c9380 (vlan: allow null VLAN ID to be used)
forgot to update __vlan_hwaccel_rx() & vlan_gro_common()

We need to set VLAN_TAG_PRESENT flag in skb->vlan_tci

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/8021q/vlan_core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index 8d5ca2ac4f8..971d3755ae8 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -14,7 +14,7 @@ int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp,
 	if (skb_bond_should_drop(skb))
 		goto drop;
 
-	skb->vlan_tci = vlan_tci;
+	__vlan_hwaccel_put_tag(skb, vlan_tci);
 	skb->dev = vlan_group_get_device(grp, vlan_tci & VLAN_VID_MASK);
 
 	if (!skb->dev)
@@ -83,7 +83,7 @@ vlan_gro_common(struct napi_struct *napi, struct vlan_group *grp,
 	if (skb_bond_should_drop(skb))
 		goto drop;
 
-	skb->vlan_tci = vlan_tci;
+	__vlan_hwaccel_put_tag(skb, vlan_tci);
 	skb->dev = vlan_group_get_device(grp, vlan_tci & VLAN_VID_MASK);
 
 	if (!skb->dev)
-- 
GitLab


From 2d6682db114cb53bc94991659478756302e6a600 Mon Sep 17 00:00:00 2001
From: Jay Vosburgh <fubar@us.ibm.com>
Date: Fri, 13 Nov 2009 13:13:01 +0000
Subject: [PATCH 1271/1815] bonding: fix 802.3ad standards compliance error

The language of 802.3ad 43.4.9 requires the "recordPDU" function
to, in part, compare the Partner parameter values in a received LACPDU
to the stored Actor values.  If those match, then the Partner's
synchronization state is set to true.

	The current 802.3ad implementation is performing these steps out
of order; first, the synchronization check is done, then the paramters are
checked to see if they match (the synch check being done against a match
check of a prior LACPDU).  This causes delays in establishing aggregators
in some circumstances.

	This patch modifies the 802.3ad code to call __choose_matched,
the function that does the "match" comparisions, as the first step of
__record_pdu, instead of immediately afterwards.  This new behavior is
in compliance with the language of the standard.

	Some additional commentary relating to code vs. standard is also
added.

	Reported by Martin Patterson <martin@gear6.com> who also supplied
the logic of the fix and verified the patch.

Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bonding/bond_3ad.c | 85 +++++++++++++++++-----------------
 1 file changed, 43 insertions(+), 42 deletions(-)

diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index 1d058192328..88c3fe80b35 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -445,6 +445,48 @@ static u16 __ad_timer_to_ticks(u16 timer_type, u16 par)
 // ================= ad_rx_machine helper functions ==================
 /////////////////////////////////////////////////////////////////////////////////
 
+/**
+ * __choose_matched - update a port's matched variable from a received lacpdu
+ * @lacpdu: the lacpdu we've received
+ * @port: the port we're looking at
+ *
+ * Update the value of the matched variable, using parameter values from a
+ * newly received lacpdu. Parameter values for the partner carried in the
+ * received PDU are compared with the corresponding operational parameter
+ * values for the actor. Matched is set to TRUE if all of these parameters
+ * match and the PDU parameter partner_state.aggregation has the same value as
+ * actor_oper_port_state.aggregation and lacp will actively maintain the link
+ * in the aggregation. Matched is also set to TRUE if the value of
+ * actor_state.aggregation in the received PDU is set to FALSE, i.e., indicates
+ * an individual link and lacp will actively maintain the link. Otherwise,
+ * matched is set to FALSE. LACP is considered to be actively maintaining the
+ * link if either the PDU's actor_state.lacp_activity variable is TRUE or both
+ * the actor's actor_oper_port_state.lacp_activity and the PDU's
+ * partner_state.lacp_activity variables are TRUE.
+ *
+ * Note: the AD_PORT_MATCHED "variable" is not specified by 802.3ad; it is
+ * used here to implement the language from 802.3ad 43.4.9 that requires
+ * recordPDU to "match" the LACPDU parameters to the stored values.
+ */
+static void __choose_matched(struct lacpdu *lacpdu, struct port *port)
+{
+	// check if all parameters are alike
+	if (((ntohs(lacpdu->partner_port) == port->actor_port_number) &&
+	     (ntohs(lacpdu->partner_port_priority) == port->actor_port_priority) &&
+	     !MAC_ADDRESS_COMPARE(&(lacpdu->partner_system), &(port->actor_system)) &&
+	     (ntohs(lacpdu->partner_system_priority) == port->actor_system_priority) &&
+	     (ntohs(lacpdu->partner_key) == port->actor_oper_port_key) &&
+	     ((lacpdu->partner_state & AD_STATE_AGGREGATION) == (port->actor_oper_port_state & AD_STATE_AGGREGATION))) ||
+	    // or this is individual link(aggregation == FALSE)
+	    ((lacpdu->actor_state & AD_STATE_AGGREGATION) == 0)
+		) {
+		// update the state machine Matched variable
+		port->sm_vars |= AD_PORT_MATCHED;
+	} else {
+		port->sm_vars &= ~AD_PORT_MATCHED;
+	}
+}
+
 /**
  * __record_pdu - record parameters from a received lacpdu
  * @lacpdu: the lacpdu we've received
@@ -459,6 +501,7 @@ static void __record_pdu(struct lacpdu *lacpdu, struct port *port)
 	if (lacpdu && port) {
 		struct port_params *partner = &port->partner_oper;
 
+		__choose_matched(lacpdu, port);
 		// record the new parameter values for the partner operational
 		partner->port_number = ntohs(lacpdu->actor_port);
 		partner->port_priority = ntohs(lacpdu->actor_port_priority);
@@ -562,47 +605,6 @@ static void __update_default_selected(struct port *port)
 	}
 }
 
-/**
- * __choose_matched - update a port's matched variable from a received lacpdu
- * @lacpdu: the lacpdu we've received
- * @port: the port we're looking at
- *
- * Update the value of the matched variable, using parameter values from a
- * newly received lacpdu. Parameter values for the partner carried in the
- * received PDU are compared with the corresponding operational parameter
- * values for the actor. Matched is set to TRUE if all of these parameters
- * match and the PDU parameter partner_state.aggregation has the same value as
- * actor_oper_port_state.aggregation and lacp will actively maintain the link
- * in the aggregation. Matched is also set to TRUE if the value of
- * actor_state.aggregation in the received PDU is set to FALSE, i.e., indicates
- * an individual link and lacp will actively maintain the link. Otherwise,
- * matched is set to FALSE. LACP is considered to be actively maintaining the
- * link if either the PDU's actor_state.lacp_activity variable is TRUE or both
- * the actor's actor_oper_port_state.lacp_activity and the PDU's
- * partner_state.lacp_activity variables are TRUE.
- */
-static void __choose_matched(struct lacpdu *lacpdu, struct port *port)
-{
-	// validate lacpdu and port
-	if (lacpdu && port) {
-		// check if all parameters are alike
-		if (((ntohs(lacpdu->partner_port) == port->actor_port_number) &&
-		     (ntohs(lacpdu->partner_port_priority) == port->actor_port_priority) &&
-		     !MAC_ADDRESS_COMPARE(&(lacpdu->partner_system), &(port->actor_system)) &&
-		     (ntohs(lacpdu->partner_system_priority) == port->actor_system_priority) &&
-		     (ntohs(lacpdu->partner_key) == port->actor_oper_port_key) &&
-		     ((lacpdu->partner_state & AD_STATE_AGGREGATION) == (port->actor_oper_port_state & AD_STATE_AGGREGATION))) ||
-		    // or this is individual link(aggregation == FALSE)
-		    ((lacpdu->actor_state & AD_STATE_AGGREGATION) == 0)
-		   ) {
-			// update the state machine Matched variable
-			port->sm_vars |= AD_PORT_MATCHED;
-		} else {
-			port->sm_vars &= ~AD_PORT_MATCHED;
-		}
-	}
-}
-
 /**
  * __update_ntt - update a port's ntt variable from a received lacpdu
  * @lacpdu: the lacpdu we've received
@@ -1134,7 +1136,6 @@ static void ad_rx_machine(struct lacpdu *lacpdu, struct port *port)
 			__update_selected(lacpdu, port);
 			__update_ntt(lacpdu, port);
 			__record_pdu(lacpdu, port);
-			__choose_matched(lacpdu, port);
 			port->sm_rx_timer_counter = __ad_timer_to_ticks(AD_CURRENT_WHILE_TIMER, (u16)(port->actor_oper_port_state & AD_STATE_LACP_TIMEOUT));
 			port->actor_oper_port_state &= ~AD_STATE_EXPIRED;
 			// verify that if the aggregator is enabled, the port is enabled too.
-- 
GitLab


From b9f5d52670c27e71f04c466aee77e3a2eeca8080 Mon Sep 17 00:00:00 2001
From: Marin Mitov <mitov@issp.bas.bg>
Date: Fri, 13 Nov 2009 07:58:41 +0000
Subject: [PATCH 1272/1815] remove deprecated and not used: print_mac()

The function print_mac in net/ethernet/eth.c is marked __deprecated
and not used. Remove it.

Signed-off-by: Marin Mitov <mitov@issp.bas.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/if_ether.h | 4 ----
 net/ethernet/eth.c       | 7 -------
 2 files changed, 11 deletions(-)

diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h
index 580b6004d00..005e1525ab8 100644
--- a/include/linux/if_ether.h
+++ b/include/linux/if_ether.h
@@ -136,10 +136,6 @@ extern struct ctl_table ether_table[];
 
 extern ssize_t sysfs_format_mac(char *buf, const unsigned char *addr, int len);
 
-/*
- *	Display a 6 byte device address (MAC) in a readable format.
- */
-extern char *print_mac(char *buf, const unsigned char *addr) __deprecated;
 #define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x"
 #define MAC_BUF_SIZE	18
 #define DECLARE_MAC_BUF(var) char var[MAC_BUF_SIZE]
diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c
index 5a883affecd..dd3db88f8f0 100644
--- a/net/ethernet/eth.c
+++ b/net/ethernet/eth.c
@@ -393,10 +393,3 @@ ssize_t sysfs_format_mac(char *buf, const unsigned char *addr, int len)
 	return ((ssize_t) l);
 }
 EXPORT_SYMBOL(sysfs_format_mac);
-
-char *print_mac(char *buf, const unsigned char *addr)
-{
-	_format_mac_addr(buf, MAC_BUF_SIZE, addr, ETH_ALEN);
-	return buf;
-}
-EXPORT_SYMBOL(print_mac);
-- 
GitLab


From d64ecc22d0a4b175d97cb2b1e297a9c5e3bdb26d Mon Sep 17 00:00:00 2001
From: Einar Lueck <elelueck@de.ibm.com>
Date: Thu, 12 Nov 2009 00:11:41 +0000
Subject: [PATCH 1273/1815] qeth: Exploit Connection Isolation

Isolate data connection to a shared OSA card against other data
connections to the same OSA card. Connectivity between isolated
data connections sharing the same OSA card is therefore possible only
through external network gear (e.g. a router).

Signed-off-by: Einar Lueck <elelueck@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/s390/net/qeth_core.h      |   2 +
 drivers/s390/net/qeth_core_main.c | 151 ++++++++++++++++++++++++++++++
 drivers/s390/net/qeth_core_mpc.h  |  45 ++++++---
 drivers/s390/net/qeth_core_sys.c  |  77 +++++++++++++++
 drivers/s390/net/qeth_l2_main.c   |   2 +
 drivers/s390/net/qeth_l3_main.c   |   2 +
 6 files changed, 267 insertions(+), 12 deletions(-)

diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index e8f72d715eb..4df5eaad6f9 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -648,6 +648,7 @@ struct qeth_card_options {
 	enum qeth_large_send_types large_send;
 	int performance_stats;
 	int rx_sg_cb;
+	enum qeth_ipa_isolation_modes isolation;
 };
 
 /*
@@ -856,6 +857,7 @@ void qeth_core_get_strings(struct net_device *, u32, u8 *);
 void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *);
 void qeth_dbf_longtext(enum qeth_dbf_names dbf_nix, int level, char *text, ...);
 int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *);
+int qeth_set_access_ctrl_online(struct qeth_card *card);
 
 /* exports for OSN */
 int qeth_osn_assist(struct net_device *, void *, int);
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index edee4dc6430..2c71948c71a 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -1079,6 +1079,7 @@ static void qeth_set_intial_options(struct qeth_card *card)
 	card->options.add_hhlen = DEFAULT_ADD_HHLEN;
 	card->options.performance_stats = 0;
 	card->options.rx_sg_cb = QETH_RX_SG_CB;
+	card->options.isolation = ISOLATION_MODE_NONE;
 }
 
 static int qeth_do_start_thread(struct qeth_card *card, unsigned long thread)
@@ -3389,6 +3390,156 @@ int qeth_setadpparms_change_macaddr(struct qeth_card *card)
 }
 EXPORT_SYMBOL_GPL(qeth_setadpparms_change_macaddr);
 
+static int qeth_setadpparms_set_access_ctrl_cb(struct qeth_card *card,
+		struct qeth_reply *reply, unsigned long data)
+{
+	struct qeth_ipa_cmd *cmd;
+	struct qeth_set_access_ctrl *access_ctrl_req;
+	int rc;
+
+	QETH_DBF_TEXT(TRACE, 4, "setaccb");
+
+	cmd = (struct qeth_ipa_cmd *) data;
+	access_ctrl_req = &cmd->data.setadapterparms.data.set_access_ctrl;
+	QETH_DBF_TEXT_(SETUP, 2, "setaccb");
+	QETH_DBF_TEXT_(SETUP, 2, "%s", card->gdev->dev.kobj.name);
+	QETH_DBF_TEXT_(SETUP, 2, "rc=%d",
+		cmd->data.setadapterparms.hdr.return_code);
+	switch (cmd->data.setadapterparms.hdr.return_code) {
+	case SET_ACCESS_CTRL_RC_SUCCESS:
+	case SET_ACCESS_CTRL_RC_ALREADY_NOT_ISOLATED:
+	case SET_ACCESS_CTRL_RC_ALREADY_ISOLATED:
+	{
+		card->options.isolation = access_ctrl_req->subcmd_code;
+		if (card->options.isolation == ISOLATION_MODE_NONE) {
+			dev_info(&card->gdev->dev,
+			    "QDIO data connection isolation is deactivated\n");
+		} else {
+			dev_info(&card->gdev->dev,
+			    "QDIO data connection isolation is activated\n");
+		}
+		QETH_DBF_MESSAGE(3, "OK:SET_ACCESS_CTRL(%s, %d)==%d\n",
+			card->gdev->dev.kobj.name,
+			access_ctrl_req->subcmd_code,
+			cmd->data.setadapterparms.hdr.return_code);
+		rc = 0;
+		break;
+	}
+	case SET_ACCESS_CTRL_RC_NOT_SUPPORTED:
+	{
+		QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_CTRL(%s,%d)==%d\n",
+			card->gdev->dev.kobj.name,
+			access_ctrl_req->subcmd_code,
+			cmd->data.setadapterparms.hdr.return_code);
+		dev_err(&card->gdev->dev, "Adapter does not "
+			"support QDIO data connection isolation\n");
+
+		/* ensure isolation mode is "none" */
+		card->options.isolation = ISOLATION_MODE_NONE;
+		rc = -EOPNOTSUPP;
+		break;
+	}
+	case SET_ACCESS_CTRL_RC_NONE_SHARED_ADAPTER:
+	{
+		QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d\n",
+			card->gdev->dev.kobj.name,
+			access_ctrl_req->subcmd_code,
+			cmd->data.setadapterparms.hdr.return_code);
+		dev_err(&card->gdev->dev,
+			"Adapter is dedicated. "
+			"QDIO data connection isolation not supported\n");
+
+		/* ensure isolation mode is "none" */
+		card->options.isolation = ISOLATION_MODE_NONE;
+		rc = -EOPNOTSUPP;
+		break;
+	}
+	case SET_ACCESS_CTRL_RC_ACTIVE_CHECKSUM_OFF:
+	{
+		QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d\n",
+			card->gdev->dev.kobj.name,
+			access_ctrl_req->subcmd_code,
+			cmd->data.setadapterparms.hdr.return_code);
+		dev_err(&card->gdev->dev,
+			"TSO does not permit QDIO data connection isolation\n");
+
+		/* ensure isolation mode is "none" */
+		card->options.isolation = ISOLATION_MODE_NONE;
+		rc = -EPERM;
+		break;
+	}
+	default:
+	{
+		/* this should never happen */
+		QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d"
+			"==UNKNOWN\n",
+			card->gdev->dev.kobj.name,
+			access_ctrl_req->subcmd_code,
+			cmd->data.setadapterparms.hdr.return_code);
+
+		/* ensure isolation mode is "none" */
+		card->options.isolation = ISOLATION_MODE_NONE;
+		rc = 0;
+		break;
+	}
+	}
+	qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd);
+	return rc;
+}
+
+static int qeth_setadpparms_set_access_ctrl(struct qeth_card *card,
+		enum qeth_ipa_isolation_modes isolation)
+{
+	int rc;
+	struct qeth_cmd_buffer *iob;
+	struct qeth_ipa_cmd *cmd;
+	struct qeth_set_access_ctrl *access_ctrl_req;
+
+	QETH_DBF_TEXT(TRACE, 4, "setacctl");
+
+	QETH_DBF_TEXT_(SETUP, 2, "setacctl");
+	QETH_DBF_TEXT_(SETUP, 2, "%s", card->gdev->dev.kobj.name);
+
+	iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_ACCESS_CONTROL,
+				   sizeof(struct qeth_ipacmd_setadpparms_hdr) +
+				   sizeof(struct qeth_set_access_ctrl));
+	cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
+	access_ctrl_req = &cmd->data.setadapterparms.data.set_access_ctrl;
+	access_ctrl_req->subcmd_code = isolation;
+
+	rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_set_access_ctrl_cb,
+			       NULL);
+	QETH_DBF_TEXT_(SETUP, 2, "rc=%d", rc);
+	return rc;
+}
+
+int qeth_set_access_ctrl_online(struct qeth_card *card)
+{
+	int rc = 0;
+
+	QETH_DBF_TEXT(TRACE, 4, "setactlo");
+
+	if (card->info.type == QETH_CARD_TYPE_OSAE &&
+	    qeth_adp_supported(card, IPA_SETADP_SET_ACCESS_CONTROL)) {
+		rc = qeth_setadpparms_set_access_ctrl(card,
+			card->options.isolation);
+		if (rc) {
+			QETH_DBF_MESSAGE(3,
+				"IPA(SET_ACCESS_CTRL,%s,%d) sent failed",
+				card->gdev->dev.kobj.name,
+				rc);
+		}
+	} else if (card->options.isolation != ISOLATION_MODE_NONE) {
+		card->options.isolation = ISOLATION_MODE_NONE;
+
+		dev_err(&card->gdev->dev, "Adapter does not "
+			"support QDIO data connection isolation\n");
+		rc = -EOPNOTSUPP;
+	}
+	return rc;
+}
+EXPORT_SYMBOL_GPL(qeth_set_access_ctrl_online);
+
 void qeth_tx_timeout(struct net_device *dev)
 {
 	struct qeth_card *card;
diff --git a/drivers/s390/net/qeth_core_mpc.h b/drivers/s390/net/qeth_core_mpc.h
index eecb2ee62e8..52c03438dbe 100644
--- a/drivers/s390/net/qeth_core_mpc.h
+++ b/drivers/s390/net/qeth_core_mpc.h
@@ -234,18 +234,19 @@ enum qeth_ipa_setdelip_flags {
 
 /* SETADAPTER IPA Command: ****************************************************/
 enum qeth_ipa_setadp_cmd {
-	IPA_SETADP_QUERY_COMMANDS_SUPPORTED	= 0x0001,
-	IPA_SETADP_ALTER_MAC_ADDRESS		= 0x0002,
-	IPA_SETADP_ADD_DELETE_GROUP_ADDRESS	= 0x0004,
-	IPA_SETADP_ADD_DELETE_FUNCTIONAL_ADDR	= 0x0008,
-	IPA_SETADP_SET_ADDRESSING_MODE		= 0x0010,
-	IPA_SETADP_SET_CONFIG_PARMS		= 0x0020,
-	IPA_SETADP_SET_CONFIG_PARMS_EXTENDED	= 0x0040,
-	IPA_SETADP_SET_BROADCAST_MODE		= 0x0080,
-	IPA_SETADP_SEND_OSA_MESSAGE		= 0x0100,
-	IPA_SETADP_SET_SNMP_CONTROL		= 0x0200,
-	IPA_SETADP_QUERY_CARD_INFO		= 0x0400,
-	IPA_SETADP_SET_PROMISC_MODE		= 0x0800,
+	IPA_SETADP_QUERY_COMMANDS_SUPPORTED	= 0x00000001L,
+	IPA_SETADP_ALTER_MAC_ADDRESS		= 0x00000002L,
+	IPA_SETADP_ADD_DELETE_GROUP_ADDRESS	= 0x00000004L,
+	IPA_SETADP_ADD_DELETE_FUNCTIONAL_ADDR	= 0x00000008L,
+	IPA_SETADP_SET_ADDRESSING_MODE		= 0x00000010L,
+	IPA_SETADP_SET_CONFIG_PARMS		= 0x00000020L,
+	IPA_SETADP_SET_CONFIG_PARMS_EXTENDED	= 0x00000040L,
+	IPA_SETADP_SET_BROADCAST_MODE		= 0x00000080L,
+	IPA_SETADP_SEND_OSA_MESSAGE		= 0x00000100L,
+	IPA_SETADP_SET_SNMP_CONTROL		= 0x00000200L,
+	IPA_SETADP_QUERY_CARD_INFO		= 0x00000400L,
+	IPA_SETADP_SET_PROMISC_MODE		= 0x00000800L,
+	IPA_SETADP_SET_ACCESS_CONTROL		= 0x00010000L,
 };
 enum qeth_ipa_mac_ops {
 	CHANGE_ADDR_READ_MAC		= 0,
@@ -264,6 +265,20 @@ enum qeth_ipa_promisc_modes {
 	SET_PROMISC_MODE_OFF		= 0,
 	SET_PROMISC_MODE_ON		= 1,
 };
+enum qeth_ipa_isolation_modes {
+	ISOLATION_MODE_NONE		= 0x00000000L,
+	ISOLATION_MODE_FWD		= 0x00000001L,
+	ISOLATION_MODE_DROP		= 0x00000002L,
+};
+enum qeth_ipa_set_access_mode_rc {
+	SET_ACCESS_CTRL_RC_SUCCESS		= 0x0000,
+	SET_ACCESS_CTRL_RC_NOT_SUPPORTED	= 0x0004,
+	SET_ACCESS_CTRL_RC_ALREADY_NOT_ISOLATED	= 0x0008,
+	SET_ACCESS_CTRL_RC_ALREADY_ISOLATED	= 0x0010,
+	SET_ACCESS_CTRL_RC_NONE_SHARED_ADAPTER	= 0x0014,
+	SET_ACCESS_CTRL_RC_ACTIVE_CHECKSUM_OFF	= 0x0018,
+};
+
 
 /* (SET)DELIP(M) IPA stuff ***************************************************/
 struct qeth_ipacmd_setdelip4 {
@@ -376,6 +391,11 @@ struct qeth_snmp_ureq {
 	struct qeth_snmp_cmd cmd;
 } __attribute__((packed));
 
+/* SET_ACCESS_CONTROL: same format for request and reply */
+struct qeth_set_access_ctrl {
+	__u32 subcmd_code;
+} __attribute__((packed));
+
 struct qeth_ipacmd_setadpparms_hdr {
 	__u32 supp_hw_cmds;
 	__u32 reserved1;
@@ -394,6 +414,7 @@ struct qeth_ipacmd_setadpparms {
 		struct qeth_query_cmds_supp query_cmds_supp;
 		struct qeth_change_addr change_addr;
 		struct qeth_snmp_cmd snmp;
+		struct qeth_set_access_ctrl set_access_ctrl;
 		__u32 mode;
 	} data;
 } __attribute__ ((packed));
diff --git a/drivers/s390/net/qeth_core_sys.c b/drivers/s390/net/qeth_core_sys.c
index 33505c2a0e3..f2358a75ed0 100644
--- a/drivers/s390/net/qeth_core_sys.c
+++ b/drivers/s390/net/qeth_core_sys.c
@@ -463,6 +463,82 @@ static ssize_t qeth_dev_large_send_store(struct device *dev,
 static DEVICE_ATTR(large_send, 0644, qeth_dev_large_send_show,
 		   qeth_dev_large_send_store);
 
+#define ATTR_QETH_ISOLATION_NONE	("none")
+#define ATTR_QETH_ISOLATION_FWD		("forward")
+#define ATTR_QETH_ISOLATION_DROP	("drop")
+
+static ssize_t qeth_dev_isolation_show(struct device *dev,
+				struct device_attribute *attr, char *buf)
+{
+	struct qeth_card *card = dev_get_drvdata(dev);
+
+	if (!card)
+		return -EINVAL;
+
+	switch (card->options.isolation) {
+	case ISOLATION_MODE_NONE:
+		return snprintf(buf, 6, "%s\n", ATTR_QETH_ISOLATION_NONE);
+	case ISOLATION_MODE_FWD:
+		return snprintf(buf, 9, "%s\n", ATTR_QETH_ISOLATION_FWD);
+	case ISOLATION_MODE_DROP:
+		return snprintf(buf, 6, "%s\n", ATTR_QETH_ISOLATION_DROP);
+	default:
+		return snprintf(buf, 5, "%s\n", "N/A");
+	}
+}
+
+static ssize_t qeth_dev_isolation_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct qeth_card *card = dev_get_drvdata(dev);
+	enum qeth_ipa_isolation_modes isolation;
+	int rc = 0;
+	char *tmp, *curtoken;
+	curtoken = (char *) buf;
+
+	if (!card) {
+		rc = -EINVAL;
+		goto out;
+	}
+
+	/* check for unknown, too, in case we do not yet know who we are */
+	if (card->info.type != QETH_CARD_TYPE_OSAE &&
+	    card->info.type != QETH_CARD_TYPE_UNKNOWN) {
+		rc = -EOPNOTSUPP;
+		dev_err(&card->gdev->dev, "Adapter does not "
+			"support QDIO data connection isolation\n");
+		goto out;
+	}
+
+	/* parse input into isolation mode */
+	tmp = strsep(&curtoken, "\n");
+	if (!strcmp(tmp, ATTR_QETH_ISOLATION_NONE)) {
+		isolation = ISOLATION_MODE_NONE;
+	} else if (!strcmp(tmp, ATTR_QETH_ISOLATION_FWD)) {
+		isolation = ISOLATION_MODE_FWD;
+	} else if (!strcmp(tmp, ATTR_QETH_ISOLATION_DROP)) {
+		isolation = ISOLATION_MODE_DROP;
+	} else {
+		rc = -EINVAL;
+		goto out;
+	}
+	rc = count;
+
+	/* defer IP assist if device is offline (until discipline->set_online)*/
+	card->options.isolation = isolation;
+	if (card->state == CARD_STATE_SOFTSETUP ||
+	    card->state == CARD_STATE_UP) {
+		int ipa_rc = qeth_set_access_ctrl_online(card);
+		if (ipa_rc != 0)
+			rc = ipa_rc;
+	}
+out:
+	return rc;
+}
+
+static DEVICE_ATTR(isolation, 0644, qeth_dev_isolation_show,
+		   qeth_dev_isolation_store);
+
 static ssize_t qeth_dev_blkt_show(char *buf, struct qeth_card *card, int value)
 {
 
@@ -583,6 +659,7 @@ static struct attribute *qeth_device_attrs[] = {
 	&dev_attr_performance_stats.attr,
 	&dev_attr_layer2.attr,
 	&dev_attr_large_send.attr,
+	&dev_attr_isolation.attr,
 	NULL,
 };
 
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index b61d5c723c5..a63a3dfcdf6 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -988,6 +988,8 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
 		card->lan_online = 1;
 
 	if (card->info.type != QETH_CARD_TYPE_OSN) {
+		/* configure isolation level */
+		qeth_set_access_ctrl_online(card);
 		qeth_set_large_send(card, card->options.large_send);
 		qeth_l2_process_vlans(card, 0);
 	}
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 4ca28c16ca8..dd6766672a0 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -1506,6 +1506,8 @@ static int qeth_l3_start_ipa_tso(struct qeth_card *card)
 static int qeth_l3_start_ipassists(struct qeth_card *card)
 {
 	QETH_DBF_TEXT(TRACE, 3, "strtipas");
+
+	qeth_set_access_ctrl_online(card);	/* go on*/
 	qeth_l3_start_ipa_arp_processing(card);	/* go on*/
 	qeth_l3_start_ipa_ip_fragmentation(card);	/* go on*/
 	qeth_l3_start_ipa_source_mac(card);	/* go on*/
-- 
GitLab


From f20b04597b9f75dce16c898abb487eff06ddf677 Mon Sep 17 00:00:00 2001
From: Ursula Braun <ursula.braun@de.ibm.com>
Date: Thu, 12 Nov 2009 00:11:42 +0000
Subject: [PATCH 1274/1815] qeth: remaining EDDP cleanup

EDDP code has been removed from qeth in 2009. This patch removes two
useless remaining EDDP-references.

Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/s390/net/qeth_core.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index 4df5eaad6f9..84c5c8f30c4 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -122,7 +122,6 @@ struct qeth_perf_stats {
 	__u64 outbound_do_qdio_start_time;
 	unsigned int outbound_do_qdio_cnt;
 	unsigned int outbound_do_qdio_time;
-	/* eddp data */
 	unsigned int large_send_bytes;
 	unsigned int large_send_cnt;
 	unsigned int sg_skbs_sent;
@@ -777,7 +776,6 @@ static inline void qeth_put_buffer_pool_entry(struct qeth_card *card,
 	list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
 }
 
-struct qeth_eddp_context;
 extern struct ccwgroup_driver qeth_l2_ccwgroup_driver;
 extern struct ccwgroup_driver qeth_l3_ccwgroup_driver;
 const char *qeth_get_cardname_short(struct qeth_card *);
-- 
GitLab


From aa90922479513db0d080239324d0d04701418ba5 Mon Sep 17 00:00:00 2001
From: Ursula Braun <ursula.braun@de.ibm.com>
Date: Thu, 12 Nov 2009 00:11:43 +0000
Subject: [PATCH 1275/1815] qeth: Recognize return codes of
 ccw_device_set_online

Setting a qeth device online requires to call function
ccw_device_set_online() for read-, write-, and data-subchannel.
Failures should be detected immediately without an attempt to
invoke follow-on activity qeth_qdio_clear_card().,

In addition, ccw_device_set_online calls are consolidated in
qeth_core_main.c only.

Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/s390/net/qeth_core_main.c | 26 ++++++++++++++++----------
 drivers/s390/net/qeth_l2_main.c   | 26 ++++++++------------------
 drivers/s390/net/qeth_l3_main.c   | 25 +++++++------------------
 3 files changed, 31 insertions(+), 46 deletions(-)

diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 2c71948c71a..819a3b5a647 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -3883,30 +3883,36 @@ static int qeth_core_driver_group(const char *buf, struct device *root_dev,
 int qeth_core_hardsetup_card(struct qeth_card *card)
 {
 	struct qdio_ssqd_desc *ssqd;
-	int retries = 3;
+	int retries = 0;
 	int mpno = 0;
 	int rc;
 
 	QETH_DBF_TEXT(SETUP, 2, "hrdsetup");
 	atomic_set(&card->force_alloc_skb, 0);
 retry:
-	if (retries < 3) {
+	if (retries)
 		QETH_DBF_MESSAGE(2, "%s Retrying to do IDX activates.\n",
 			dev_name(&card->gdev->dev));
-		ccw_device_set_offline(CARD_DDEV(card));
-		ccw_device_set_offline(CARD_WDEV(card));
-		ccw_device_set_offline(CARD_RDEV(card));
-		ccw_device_set_online(CARD_RDEV(card));
-		ccw_device_set_online(CARD_WDEV(card));
-		ccw_device_set_online(CARD_DDEV(card));
-	}
+	ccw_device_set_offline(CARD_DDEV(card));
+	ccw_device_set_offline(CARD_WDEV(card));
+	ccw_device_set_offline(CARD_RDEV(card));
+	rc = ccw_device_set_online(CARD_RDEV(card));
+	if (rc)
+		goto retriable;
+	rc = ccw_device_set_online(CARD_WDEV(card));
+	if (rc)
+		goto retriable;
+	rc = ccw_device_set_online(CARD_DDEV(card));
+	if (rc)
+		goto retriable;
 	rc = qeth_qdio_clear_card(card, card->info.type != QETH_CARD_TYPE_IQD);
+retriable:
 	if (rc == -ERESTARTSYS) {
 		QETH_DBF_TEXT(SETUP, 2, "break1");
 		return rc;
 	} else if (rc) {
 		QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
-		if (--retries < 0)
+		if (++retries > 3)
 			goto out;
 		else
 			goto retry;
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index a63a3dfcdf6..372f2c0cd54 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -940,30 +940,17 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
 
 	qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 1);
 	recover_flag = card->state;
-	rc = ccw_device_set_online(CARD_RDEV(card));
-	if (rc) {
-		QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
-		return -EIO;
-	}
-	rc = ccw_device_set_online(CARD_WDEV(card));
-	if (rc) {
-		QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
-		return -EIO;
-	}
-	rc = ccw_device_set_online(CARD_DDEV(card));
-	if (rc) {
-		QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
-		return -EIO;
-	}
-
 	rc = qeth_core_hardsetup_card(card);
 	if (rc) {
 		QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc);
+		rc = -ENODEV;
 		goto out_remove;
 	}
 
-	if (!card->dev && qeth_l2_setup_netdev(card))
+	if (!card->dev && qeth_l2_setup_netdev(card)) {
+		rc = -ENODEV;
 		goto out_remove;
+	}
 
 	if (card->info.type != QETH_CARD_TYPE_OSN)
 		qeth_l2_send_setmac(card, &card->dev->dev_addr[0]);
@@ -983,6 +970,7 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
 			card->lan_online = 0;
 			return 0;
 		}
+		rc = -ENODEV;
 		goto out_remove;
 	} else
 		card->lan_online = 1;
@@ -999,6 +987,7 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
 	rc = qeth_init_qdio_queues(card);
 	if (rc) {
 		QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc);
+		rc = -ENODEV;
 		goto out_remove;
 	}
 	card->state = CARD_STATE_SOFTSETUP;
@@ -1020,6 +1009,7 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
 	/* let user_space know that device is online */
 	kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE);
 	return 0;
+
 out_remove:
 	card->use_hard_stop = 1;
 	qeth_l2_stop_card(card, 0);
@@ -1030,7 +1020,7 @@ out_remove:
 		card->state = CARD_STATE_RECOVER;
 	else
 		card->state = CARD_STATE_DOWN;
-	return -ENODEV;
+	return rc;
 }
 
 static int qeth_l2_set_online(struct ccwgroup_device *gdev)
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index dd6766672a0..03f67bb51e9 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -3156,32 +3156,19 @@ static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode)
 	qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 1);
 
 	recover_flag = card->state;
-	rc = ccw_device_set_online(CARD_RDEV(card));
-	if (rc) {
-		QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
-		return -EIO;
-	}
-	rc = ccw_device_set_online(CARD_WDEV(card));
-	if (rc) {
-		QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
-		return -EIO;
-	}
-	rc = ccw_device_set_online(CARD_DDEV(card));
-	if (rc) {
-		QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
-		return -EIO;
-	}
-
 	rc = qeth_core_hardsetup_card(card);
 	if (rc) {
 		QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc);
+		rc = -ENODEV;
 		goto out_remove;
 	}
 
 	qeth_l3_query_ipassists(card, QETH_PROT_IPV4);
 
-	if (!card->dev && qeth_l3_setup_netdev(card))
+	if (!card->dev && qeth_l3_setup_netdev(card)) {
+		rc = -ENODEV;
 		goto out_remove;
+	}
 
 	card->state = CARD_STATE_HARDSETUP;
 	qeth_print_status_message(card);
@@ -3198,6 +3185,7 @@ static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode)
 			card->lan_online = 0;
 			return 0;
 		}
+		rc = -ENODEV;
 		goto out_remove;
 	} else
 		card->lan_online = 1;
@@ -3220,6 +3208,7 @@ static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode)
 	rc = qeth_init_qdio_queues(card);
 	if (rc) {
 		QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc);
+		rc = -ENODEV;
 		goto out_remove;
 	}
 	card->state = CARD_STATE_SOFTSETUP;
@@ -3250,7 +3239,7 @@ out_remove:
 		card->state = CARD_STATE_RECOVER;
 	else
 		card->state = CARD_STATE_DOWN;
-	return -ENODEV;
+	return rc;
 }
 
 static int qeth_l3_set_online(struct ccwgroup_device *gdev)
-- 
GitLab


From c3b4a740db3688b245282ac957a01f3fb8d1186d Mon Sep 17 00:00:00 2001
From: Frank Blaschka <frank.blaschka@de.ibm.com>
Date: Thu, 12 Nov 2009 00:11:44 +0000
Subject: [PATCH 1276/1815] qeth: rework TSO functions

The maximum TSO size OSA can handle is 15 * PAGE_SIZE. This
patch reduces gso_max_size to this value and adds some sanity
checks and statistics to the TSO implementation.
Since only layer 3 is able to do TSO move all TSO related functions
to the qeth_l3 module.

Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/s390/net/qeth_core.h      |  2 +-
 drivers/s390/net/qeth_core_main.c | 37 +---------------
 drivers/s390/net/qeth_core_sys.c  | 48 ---------------------
 drivers/s390/net/qeth_l2_main.c   |  1 -
 drivers/s390/net/qeth_l3.h        |  1 +
 drivers/s390/net/qeth_l3_main.c   | 71 +++++++++++++++++++++++++------
 drivers/s390/net/qeth_l3_sys.c    | 48 +++++++++++++++++++++
 7 files changed, 110 insertions(+), 98 deletions(-)

diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index 84c5c8f30c4..b232693378c 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -134,6 +134,7 @@ struct qeth_perf_stats {
 	unsigned int sg_frags_rx;
 	unsigned int sg_alloc_page_rx;
 	unsigned int tx_csum;
+	unsigned int tx_lin;
 };
 
 /* Routing stuff */
@@ -835,7 +836,6 @@ void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char);
 struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *);
 int qeth_mdio_read(struct net_device *, int, int);
 int qeth_snmp_command(struct qeth_card *, char __user *);
-int qeth_set_large_send(struct qeth_card *, enum qeth_large_send_types);
 struct qeth_cmd_buffer *qeth_get_adapter_cmd(struct qeth_card *, __u32, __u32);
 int qeth_default_setadapterparms_cb(struct qeth_card *, struct qeth_reply *,
 					unsigned long);
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 819a3b5a647..d34804d5ece 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -270,41 +270,6 @@ int qeth_realloc_buffer_pool(struct qeth_card *card, int bufcnt)
 	return qeth_alloc_buffer_pool(card);
 }
 
-int qeth_set_large_send(struct qeth_card *card,
-		enum qeth_large_send_types type)
-{
-	int rc = 0;
-
-	if (card->dev == NULL) {
-		card->options.large_send = type;
-		return 0;
-	}
-	if (card->state == CARD_STATE_UP)
-		netif_tx_disable(card->dev);
-	card->options.large_send = type;
-	switch (card->options.large_send) {
-	case QETH_LARGE_SEND_TSO:
-		if (qeth_is_supported(card, IPA_OUTBOUND_TSO)) {
-			card->dev->features |= NETIF_F_TSO | NETIF_F_SG |
-						NETIF_F_HW_CSUM;
-		} else {
-			card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG |
-						NETIF_F_HW_CSUM);
-			card->options.large_send = QETH_LARGE_SEND_NO;
-			rc = -EOPNOTSUPP;
-		}
-		break;
-	default: /* includes QETH_LARGE_SEND_NO */
-		card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG |
-					NETIF_F_HW_CSUM);
-		break;
-	}
-	if (card->state == CARD_STATE_UP)
-		netif_wake_queue(card->dev);
-	return rc;
-}
-EXPORT_SYMBOL_GPL(qeth_set_large_send);
-
 static int qeth_issue_next_read(struct qeth_card *card)
 {
 	int rc;
@@ -4460,6 +4425,7 @@ static struct {
 	{"tx do_QDIO time"},
 	{"tx do_QDIO count"},
 	{"tx csum"},
+	{"tx lin"},
 };
 
 int qeth_core_get_sset_count(struct net_device *dev, int stringset)
@@ -4517,6 +4483,7 @@ void qeth_core_get_ethtool_stats(struct net_device *dev,
 	data[31] = card->perf_stats.outbound_do_qdio_time;
 	data[32] = card->perf_stats.outbound_do_qdio_cnt;
 	data[33] = card->perf_stats.tx_csum;
+	data[34] = card->perf_stats.tx_lin;
 }
 EXPORT_SYMBOL_GPL(qeth_core_get_ethtool_stats);
 
diff --git a/drivers/s390/net/qeth_core_sys.c b/drivers/s390/net/qeth_core_sys.c
index f2358a75ed0..9ff2b36fdc4 100644
--- a/drivers/s390/net/qeth_core_sys.c
+++ b/drivers/s390/net/qeth_core_sys.c
@@ -416,53 +416,6 @@ static ssize_t qeth_dev_layer2_store(struct device *dev,
 static DEVICE_ATTR(layer2, 0644, qeth_dev_layer2_show,
 		   qeth_dev_layer2_store);
 
-static ssize_t qeth_dev_large_send_show(struct device *dev,
-				struct device_attribute *attr, char *buf)
-{
-	struct qeth_card *card = dev_get_drvdata(dev);
-
-	if (!card)
-		return -EINVAL;
-
-	switch (card->options.large_send) {
-	case QETH_LARGE_SEND_NO:
-		return sprintf(buf, "%s\n", "no");
-	case QETH_LARGE_SEND_TSO:
-		return sprintf(buf, "%s\n", "TSO");
-	default:
-		return sprintf(buf, "%s\n", "N/A");
-	}
-}
-
-static ssize_t qeth_dev_large_send_store(struct device *dev,
-		struct device_attribute *attr, const char *buf, size_t count)
-{
-	struct qeth_card *card = dev_get_drvdata(dev);
-	enum qeth_large_send_types type;
-	int rc = 0;
-	char *tmp;
-
-	if (!card)
-		return -EINVAL;
-	tmp = strsep((char **) &buf, "\n");
-	if (!strcmp(tmp, "no")) {
-		type = QETH_LARGE_SEND_NO;
-	} else if (!strcmp(tmp, "TSO")) {
-		type = QETH_LARGE_SEND_TSO;
-	} else {
-		return -EINVAL;
-	}
-	if (card->options.large_send == type)
-		return count;
-	rc = qeth_set_large_send(card, type);
-	if (rc)
-		return rc;
-	return count;
-}
-
-static DEVICE_ATTR(large_send, 0644, qeth_dev_large_send_show,
-		   qeth_dev_large_send_store);
-
 #define ATTR_QETH_ISOLATION_NONE	("none")
 #define ATTR_QETH_ISOLATION_FWD		("forward")
 #define ATTR_QETH_ISOLATION_DROP	("drop")
@@ -658,7 +611,6 @@ static struct attribute *qeth_device_attrs[] = {
 	&dev_attr_recover.attr,
 	&dev_attr_performance_stats.attr,
 	&dev_attr_layer2.attr,
-	&dev_attr_large_send.attr,
 	&dev_attr_isolation.attr,
 	NULL,
 };
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index 372f2c0cd54..0b763396d5d 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -978,7 +978,6 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
 	if (card->info.type != QETH_CARD_TYPE_OSN) {
 		/* configure isolation level */
 		qeth_set_access_ctrl_online(card);
-		qeth_set_large_send(card, card->options.large_send);
 		qeth_l2_process_vlans(card, 0);
 	}
 
diff --git a/drivers/s390/net/qeth_l3.h b/drivers/s390/net/qeth_l3.h
index 9f143c83bba..ffa6fe4da26 100644
--- a/drivers/s390/net/qeth_l3.h
+++ b/drivers/s390/net/qeth_l3.h
@@ -60,5 +60,6 @@ void qeth_l3_del_vipa(struct qeth_card *, enum qeth_prot_versions, const u8 *);
 int qeth_l3_add_rxip(struct qeth_card *, enum qeth_prot_versions, const u8 *);
 void qeth_l3_del_rxip(struct qeth_card *card, enum qeth_prot_versions,
 			const u8 *);
+int qeth_l3_set_large_send(struct qeth_card *, enum qeth_large_send_types);
 
 #endif /* __QETH_L3_H__ */
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 03f67bb51e9..2048b435421 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -41,6 +41,32 @@ static int qeth_l3_deregister_addr_entry(struct qeth_card *,
 static int __qeth_l3_set_online(struct ccwgroup_device *, int);
 static int __qeth_l3_set_offline(struct ccwgroup_device *, int);
 
+int qeth_l3_set_large_send(struct qeth_card *card,
+		enum qeth_large_send_types type)
+{
+	int rc = 0;
+
+	card->options.large_send = type;
+	if (card->dev == NULL)
+		return 0;
+
+	if (card->options.large_send == QETH_LARGE_SEND_TSO) {
+		if (qeth_is_supported(card, IPA_OUTBOUND_TSO)) {
+			card->dev->features |= NETIF_F_TSO | NETIF_F_SG |
+					NETIF_F_HW_CSUM;
+		} else {
+			card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG |
+					NETIF_F_HW_CSUM);
+			card->options.large_send = QETH_LARGE_SEND_NO;
+			rc = -EOPNOTSUPP;
+		}
+	} else {
+		card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG |
+					NETIF_F_HW_CSUM);
+		card->options.large_send = QETH_LARGE_SEND_NO;
+	}
+	return rc;
+}
 
 static int qeth_l3_isxdigit(char *buf)
 {
@@ -2686,6 +2712,24 @@ static void qeth_tx_csum(struct sk_buff *skb)
 	*(__sum16 *)(skb->data + offset) = csum_fold(csum);
 }
 
+static inline int qeth_l3_tso_elements(struct sk_buff *skb)
+{
+	unsigned long tcpd = (unsigned long)tcp_hdr(skb) +
+		tcp_hdr(skb)->doff * 4;
+	int tcpd_len = skb->len - (tcpd - (unsigned long)skb->data);
+	int elements = PFN_UP(tcpd + tcpd_len) - PFN_DOWN(tcpd);
+	elements += skb_shinfo(skb)->nr_frags;
+	return elements;
+}
+
+static inline int qeth_l3_tso_check(struct sk_buff *skb)
+{
+	int len = ((unsigned long)tcp_hdr(skb) + tcp_hdr(skb)->doff * 4) -
+		(unsigned long)skb->data;
+	return (((unsigned long)skb->data & PAGE_MASK) !=
+		(((unsigned long)skb->data + len) & PAGE_MASK));
+}
+
 static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	int rc;
@@ -2779,16 +2823,21 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	/* fix hardware limitation: as long as we do not have sbal
 	 * chaining we can not send long frag lists
 	 */
-	if ((large_send == QETH_LARGE_SEND_TSO) &&
-	    ((skb_shinfo(new_skb)->nr_frags + 2) > 16)) {
-		if (skb_linearize(new_skb))
-			goto tx_drop;
+	if (large_send == QETH_LARGE_SEND_TSO) {
+		if (qeth_l3_tso_elements(new_skb) + 1 > 16) {
+			if (skb_linearize(new_skb))
+				goto tx_drop;
+			if (card->options.performance_stats)
+				card->perf_stats.tx_lin++;
+		}
 	}
 
 	if ((large_send == QETH_LARGE_SEND_TSO) &&
 	    (cast_type == RTN_UNSPEC)) {
 		hdr = (struct qeth_hdr *)skb_push(new_skb,
 						sizeof(struct qeth_hdr_tso));
+		if (qeth_l3_tso_check(new_skb))
+			QETH_DBF_MESSAGE(2, "tso skb misaligned\n");
 		memset(hdr, 0, sizeof(struct qeth_hdr_tso));
 		qeth_l3_fill_header(card, hdr, new_skb, ipv, cast_type);
 		qeth_tso_fill_header(card, hdr, new_skb);
@@ -2931,20 +2980,15 @@ static int qeth_l3_ethtool_set_rx_csum(struct net_device *dev, u32 data)
 static int qeth_l3_ethtool_set_tso(struct net_device *dev, u32 data)
 {
 	struct qeth_card *card = dev->ml_priv;
+	int rc = 0;
 
 	if (data) {
-		if (card->options.large_send == QETH_LARGE_SEND_NO) {
-			if (card->info.type == QETH_CARD_TYPE_IQD)
-				return -EPERM;
-			else
-				card->options.large_send = QETH_LARGE_SEND_TSO;
-			dev->features |= NETIF_F_TSO;
-		}
+		rc = qeth_l3_set_large_send(card, QETH_LARGE_SEND_TSO);
 	} else {
 		dev->features &= ~NETIF_F_TSO;
 		card->options.large_send = QETH_LARGE_SEND_NO;
 	}
-	return 0;
+	return rc;
 }
 
 static const struct ethtool_ops qeth_l3_ethtool_ops = {
@@ -3060,6 +3104,7 @@ static int qeth_l3_setup_netdev(struct qeth_card *card)
 				NETIF_F_HW_VLAN_RX |
 				NETIF_F_HW_VLAN_FILTER;
 	card->dev->priv_flags &= ~IFF_XMIT_DST_RELEASE;
+	card->dev->gso_max_size = 15 * PAGE_SIZE;
 
 	SET_NETDEV_DEV(card->dev, &card->gdev->dev);
 	return register_netdev(card->dev);
@@ -3189,7 +3234,7 @@ static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode)
 		goto out_remove;
 	} else
 		card->lan_online = 1;
-	qeth_set_large_send(card, card->options.large_send);
+	qeth_l3_set_large_send(card, card->options.large_send);
 
 	rc = qeth_l3_setadapter_parms(card);
 	if (rc)
diff --git a/drivers/s390/net/qeth_l3_sys.c b/drivers/s390/net/qeth_l3_sys.c
index c144b9924d5..88f200c8ea3 100644
--- a/drivers/s390/net/qeth_l3_sys.c
+++ b/drivers/s390/net/qeth_l3_sys.c
@@ -318,6 +318,53 @@ static ssize_t qeth_l3_dev_checksum_store(struct device *dev,
 static DEVICE_ATTR(checksumming, 0644, qeth_l3_dev_checksum_show,
 		qeth_l3_dev_checksum_store);
 
+static ssize_t qeth_l3_dev_large_send_show(struct device *dev,
+				struct device_attribute *attr, char *buf)
+{
+	struct qeth_card *card = dev_get_drvdata(dev);
+
+	if (!card)
+		return -EINVAL;
+
+	switch (card->options.large_send) {
+	case QETH_LARGE_SEND_NO:
+		return sprintf(buf, "%s\n", "no");
+	case QETH_LARGE_SEND_TSO:
+		return sprintf(buf, "%s\n", "TSO");
+	default:
+		return sprintf(buf, "%s\n", "N/A");
+	}
+}
+
+static ssize_t qeth_l3_dev_large_send_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct qeth_card *card = dev_get_drvdata(dev);
+	enum qeth_large_send_types type;
+	int rc = 0;
+	char *tmp;
+
+	if (!card)
+		return -EINVAL;
+	tmp = strsep((char **) &buf, "\n");
+	if (!strcmp(tmp, "no"))
+		type = QETH_LARGE_SEND_NO;
+	else if (!strcmp(tmp, "TSO"))
+		type = QETH_LARGE_SEND_TSO;
+	else
+		return -EINVAL;
+
+	if (card->options.large_send == type)
+		return count;
+	rc = qeth_l3_set_large_send(card, type);
+	if (rc)
+		return rc;
+	return count;
+}
+
+static DEVICE_ATTR(large_send, 0644, qeth_l3_dev_large_send_show,
+		   qeth_l3_dev_large_send_store);
+
 static struct attribute *qeth_l3_device_attrs[] = {
 	&dev_attr_route4.attr,
 	&dev_attr_route6.attr,
@@ -325,6 +372,7 @@ static struct attribute *qeth_l3_device_attrs[] = {
 	&dev_attr_broadcast_mode.attr,
 	&dev_attr_canonical_macaddr.attr,
 	&dev_attr_checksumming.attr,
+	&dev_attr_large_send.attr,
 	NULL,
 };
 
-- 
GitLab


From 3fd434d846a2c87f8f705b6876f81e4053f93749 Mon Sep 17 00:00:00 2001
From: Frank Blaschka <frank.blaschka@de.ibm.com>
Date: Thu, 12 Nov 2009 00:11:45 +0000
Subject: [PATCH 1277/1815] qeth: allow dynamic change of rx checksumming

Technically there is no need to set the card offline to change
RX checksumming. Get rid of this stupid limitation.

Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/s390/net/qeth_l3.h      |  1 +
 drivers/s390/net/qeth_l3_main.c | 44 ++++++++++++++++++++++-----------
 drivers/s390/net/qeth_l3_sys.c  | 19 +++++++-------
 3 files changed, 41 insertions(+), 23 deletions(-)

diff --git a/drivers/s390/net/qeth_l3.h b/drivers/s390/net/qeth_l3.h
index ffa6fe4da26..321988fa9f7 100644
--- a/drivers/s390/net/qeth_l3.h
+++ b/drivers/s390/net/qeth_l3.h
@@ -61,5 +61,6 @@ int qeth_l3_add_rxip(struct qeth_card *, enum qeth_prot_versions, const u8 *);
 void qeth_l3_del_rxip(struct qeth_card *card, enum qeth_prot_versions,
 			const u8 *);
 int qeth_l3_set_large_send(struct qeth_card *, enum qeth_large_send_types);
+int qeth_l3_set_rx_csum(struct qeth_card *, enum qeth_checksum_types);
 
 #endif /* __QETH_L3_H__ */
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 2048b435421..fd1b6ed3721 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -1465,6 +1465,35 @@ static int qeth_l3_send_checksum_command(struct qeth_card *card)
 	return 0;
 }
 
+int qeth_l3_set_rx_csum(struct qeth_card *card,
+	enum qeth_checksum_types csum_type)
+{
+	int rc = 0;
+
+	if (card->options.checksum_type == HW_CHECKSUMMING) {
+		if ((csum_type != HW_CHECKSUMMING) &&
+			(card->state != CARD_STATE_DOWN)) {
+			rc = qeth_l3_send_simple_setassparms(card,
+				IPA_INBOUND_CHECKSUM, IPA_CMD_ASS_STOP, 0);
+			if (rc)
+				return -EIO;
+		}
+	} else {
+		if (csum_type == HW_CHECKSUMMING) {
+			if (card->state != CARD_STATE_DOWN) {
+				if (!qeth_is_supported(card,
+				    IPA_INBOUND_CHECKSUM))
+					return -EPERM;
+				rc = qeth_l3_send_checksum_command(card);
+				if (rc)
+					return -EIO;
+			}
+		}
+	}
+	card->options.checksum_type = csum_type;
+	return rc;
+}
+
 static int qeth_l3_start_ipa_checksum(struct qeth_card *card)
 {
 	int rc = 0;
@@ -2954,27 +2983,14 @@ static u32 qeth_l3_ethtool_get_rx_csum(struct net_device *dev)
 static int qeth_l3_ethtool_set_rx_csum(struct net_device *dev, u32 data)
 {
 	struct qeth_card *card = dev->ml_priv;
-	enum qeth_card_states old_state;
 	enum qeth_checksum_types csum_type;
 
-	if ((card->state != CARD_STATE_UP) &&
-	    (card->state != CARD_STATE_DOWN))
-		return -EPERM;
-
 	if (data)
 		csum_type = HW_CHECKSUMMING;
 	else
 		csum_type = SW_CHECKSUMMING;
 
-	if (card->options.checksum_type != csum_type) {
-		old_state = card->state;
-		if (card->state == CARD_STATE_UP)
-			__qeth_l3_set_offline(card->gdev, 1);
-		card->options.checksum_type = csum_type;
-		if (old_state == CARD_STATE_UP)
-			__qeth_l3_set_online(card->gdev, 1);
-	}
-	return 0;
+	return qeth_l3_set_rx_csum(card, csum_type);
 }
 
 static int qeth_l3_ethtool_set_tso(struct net_device *dev, u32 data)
diff --git a/drivers/s390/net/qeth_l3_sys.c b/drivers/s390/net/qeth_l3_sys.c
index 88f200c8ea3..3360b0941aa 100644
--- a/drivers/s390/net/qeth_l3_sys.c
+++ b/drivers/s390/net/qeth_l3_sys.c
@@ -293,25 +293,26 @@ static ssize_t qeth_l3_dev_checksum_store(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t count)
 {
 	struct qeth_card *card = dev_get_drvdata(dev);
+	enum qeth_checksum_types csum_type;
 	char *tmp;
+	int rc;
 
 	if (!card)
 		return -EINVAL;
 
-	if ((card->state != CARD_STATE_DOWN) &&
-	    (card->state != CARD_STATE_RECOVER))
-		return -EPERM;
-
 	tmp = strsep((char **) &buf, "\n");
 	if (!strcmp(tmp, "sw_checksumming"))
-		card->options.checksum_type = SW_CHECKSUMMING;
+		csum_type = SW_CHECKSUMMING;
 	else if (!strcmp(tmp, "hw_checksumming"))
-		card->options.checksum_type = HW_CHECKSUMMING;
+		csum_type = HW_CHECKSUMMING;
 	else if (!strcmp(tmp, "no_checksumming"))
-		card->options.checksum_type = NO_CHECKSUMMING;
-	else {
+		csum_type = NO_CHECKSUMMING;
+	else
 		return -EINVAL;
-	}
+
+	rc = qeth_l3_set_rx_csum(card, csum_type);
+	if (rc)
+		return rc;
 	return count;
 }
 
-- 
GitLab


From fa6f632fba300f92d21962ef6e58411345465241 Mon Sep 17 00:00:00 2001
From: Gertjan van Wingerde <gwingerde@gmail.com>
Date: Mon, 9 Nov 2009 22:59:58 +0100
Subject: [PATCH 1278/1815] rt2x00: Fix rt2800lib RF chip programming
 selection.

Mirror the legacy Ralink driver with respect to rt2800 RF register
programming. Execute rt2800_config_channel_rt3x for all RF2020,
RF3020, RF3021 & RF3022 chipsets when operating on RT3070 devices.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800lib.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 9656699c6ef..53baa09082d 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -806,10 +806,14 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
 	unsigned int tx_pin;
 	u8 bbp;
 
-	if (rt2x00_rev(&rt2x00dev->chip) != RT3070_VERSION)
-		rt2800_config_channel_rt2x(rt2x00dev, conf, rf, info);
-	else
+	if (rt2x00_rt(&rt2x00dev->chip, RT3070) &&
+	    (rt2x00_rf(&rt2x00dev->chip, RF2020) ||
+	     rt2x00_rf(&rt2x00dev->chip, RF3020) ||
+	     rt2x00_rf(&rt2x00dev->chip, RF3021) ||
+	     rt2x00_rf(&rt2x00dev->chip, RF3022)))
 		rt2800_config_channel_rt3x(rt2x00dev, conf, rf, info);
+	else
+		rt2800_config_channel_rt2x(rt2x00dev, conf, rf, info);
 
 	/*
 	 * Change BBP settings
-- 
GitLab


From cce5fc45f9e9570f320009431d033d5a8f6144cc Mon Sep 17 00:00:00 2001
From: Gertjan van Wingerde <gwingerde@gmail.com>
Date: Tue, 10 Nov 2009 22:42:40 +0100
Subject: [PATCH 1279/1815] rt2x00: Initialize rf302x RF values properly for
 rt2800pci.

Ensure RF302x and RF2020 chipsets are handled properly in rt2800lib
for the rt3090 chipset.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800lib.c | 29 ++++++++++---------------
 1 file changed, 12 insertions(+), 17 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 53baa09082d..d88857ccdf8 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -1,5 +1,6 @@
 /*
 	Copyright (C) 2009 Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
+	Copyright (C) 2009 Gertjan van Wingerde <gwingerde@gmail.com>
 
 	Based on the original rt2800pci.c and rt2800usb.c.
 	  Copyright (C) 2009 Ivo van Doorn <IvDoorn@gmail.com>
@@ -806,7 +807,8 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
 	unsigned int tx_pin;
 	u8 bbp;
 
-	if (rt2x00_rt(&rt2x00dev->chip, RT3070) &&
+	if ((rt2x00_rt(&rt2x00dev->chip, RT3070) ||
+	     rt2x00_rt(&rt2x00dev->chip, RT3090)) &&
 	    (rt2x00_rf(&rt2x00dev->chip, RF2020) ||
 	     rt2x00_rf(&rt2x00dev->chip, RF3020) ||
 	     rt2x00_rf(&rt2x00dev->chip, RF3021) ||
@@ -1989,7 +1991,7 @@ static const struct rf_channel rf_vals[] = {
  * RF value list for rt3070
  * Supports: 2.4 GHz
  */
-static const struct rf_channel rf_vals_3070[] = {
+static const struct rf_channel rf_vals_302x[] = {
 	{1,  241, 2, 2 },
 	{2,  241, 2, 7 },
 	{3,  242, 2, 2 },
@@ -2046,26 +2048,19 @@ int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 
 	if (rt2x00_rf(chip, RF2820) ||
 	    rt2x00_rf(chip, RF2720) ||
-	    (rt2x00_intf_is_pci(rt2x00dev) &&
-	     (rt2x00_rf(chip, RF3020) ||
-	      rt2x00_rf(chip, RF3021) ||
-	      rt2x00_rf(chip, RF3022) ||
-	      rt2x00_rf(chip, RF2020) ||
-	      rt2x00_rf(chip, RF3052)))) {
+	    (rt2x00_intf_is_pci(rt2x00dev) && rt2x00_rf(chip, RF3052))) {
 		spec->num_channels = 14;
 		spec->channels = rf_vals;
-	} else if (rt2x00_rf(chip, RF2850) ||
-		   rt2x00_rf(chip, RF2750)) {
+	} else if (rt2x00_rf(chip, RF2850) || rt2x00_rf(chip, RF2750)) {
 		spec->supported_bands |= SUPPORT_BAND_5GHZ;
 		spec->num_channels = ARRAY_SIZE(rf_vals);
 		spec->channels = rf_vals;
-	} else if (rt2x00_intf_is_usb(rt2x00dev) &&
-		    (rt2x00_rf(chip, RF3020) ||
-		     rt2x00_rf(chip, RF2020) ||
-		     rt2x00_rf(chip, RF3021) ||
-		     rt2x00_rf(chip, RF3022))) {
-		spec->num_channels = ARRAY_SIZE(rf_vals_3070);
-		spec->channels = rf_vals_3070;
+	} else if (rt2x00_rf(chip, RF3020) ||
+		   rt2x00_rf(chip, RF2020) ||
+		   rt2x00_rf(chip, RF3021) ||
+		   rt2x00_rf(chip, RF3022)) {
+		spec->num_channels = ARRAY_SIZE(rf_vals_302x);
+		spec->channels = rf_vals_302x;
 	}
 
 	/*
-- 
GitLab


From 16475b095a9c952f16e626c142b30bc95cfeadb3 Mon Sep 17 00:00:00 2001
From: Gertjan van Wingerde <gwingerde@gmail.com>
Date: Sat, 14 Nov 2009 20:20:35 +0100
Subject: [PATCH 1280/1815] rt2x00: Log RT/RF chipset information correctly.

Some drivers (rt2800* most notably) cannot set the RF and RT chipset in
the correct order to have the information logging in rt2x00_set_chip
be correct.
Fix this by decoupling the setting of the chipset information from the
logging of the chipset information so that drivers can determine
themselves when all information is set.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2400pci.c |  1 +
 drivers/net/wireless/rt2x00/rt2500pci.c |  1 +
 drivers/net/wireless/rt2x00/rt2500usb.c |  1 +
 drivers/net/wireless/rt2x00/rt2800lib.c |  1 +
 drivers/net/wireless/rt2x00/rt2x00.h    | 11 +++++++----
 drivers/net/wireless/rt2x00/rt61pci.c   |  1 +
 drivers/net/wireless/rt2x00/rt73usb.c   |  1 +
 7 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c
index 0f912f51a15..6e68bc7efd4 100644
--- a/drivers/net/wireless/rt2x00/rt2400pci.c
+++ b/drivers/net/wireless/rt2x00/rt2400pci.c
@@ -1341,6 +1341,7 @@ static int rt2400pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
 	value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
 	rt2x00pci_register_read(rt2x00dev, CSR0, &reg);
 	rt2x00_set_chip_rf(rt2x00dev, value, reg);
+	rt2x00_print_chip(rt2x00dev);
 
 	if (!rt2x00_rf(&rt2x00dev->chip, RF2420) &&
 	    !rt2x00_rf(&rt2x00dev->chip, RF2421)) {
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c
index 6618cbd808b..9a31e5e7b8d 100644
--- a/drivers/net/wireless/rt2x00/rt2500pci.c
+++ b/drivers/net/wireless/rt2x00/rt2500pci.c
@@ -1505,6 +1505,7 @@ static int rt2500pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
 	value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
 	rt2x00pci_register_read(rt2x00dev, CSR0, &reg);
 	rt2x00_set_chip_rf(rt2x00dev, value, reg);
+	rt2x00_print_chip(rt2x00dev);
 
 	if (!rt2x00_rf(&rt2x00dev->chip, RF2522) &&
 	    !rt2x00_rf(&rt2x00dev->chip, RF2523) &&
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index bb64473dae6..b2de43e4f65 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -1409,6 +1409,7 @@ static int rt2500usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
 	value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
 	rt2500usb_register_read(rt2x00dev, MAC_CSR0, &reg);
 	rt2x00_set_chip(rt2x00dev, RT2570, value, reg);
+	rt2x00_print_chip(rt2x00dev);
 
 	if (!rt2x00_check_rev(&rt2x00dev->chip, 0x000ffff0, 0) ||
 	    rt2x00_check_rev(&rt2x00dev->chip, 0x0000000f, 0)) {
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index d88857ccdf8..c7108050af3 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -1854,6 +1854,7 @@ int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
 			return -ENODEV;
 		}
 	}
+	rt2x00_print_chip(rt2x00dev);
 
 	if (!rt2x00_rf(&rt2x00dev->chip, RF2820) &&
 	    !rt2x00_rf(&rt2x00dev->chip, RF2850) &&
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index 62da572795a..1cbb7ac2f32 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -906,10 +906,6 @@ static inline void rt2x00_eeprom_write(struct rt2x00_dev *rt2x00dev,
 static inline void rt2x00_set_chip(struct rt2x00_dev *rt2x00dev,
 				   const u16 rt, const u16 rf, const u32 rev)
 {
-	INFO(rt2x00dev,
-	     "Chipset detected - rt: %04x, rf: %04x, rev: %08x.\n",
-	     rt, rf, rev);
-
 	rt2x00dev->chip.rt = rt;
 	rt2x00dev->chip.rf = rf;
 	rt2x00dev->chip.rev = rev;
@@ -927,6 +923,13 @@ static inline void rt2x00_set_chip_rf(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_chip(rt2x00dev, rt2x00dev->chip.rt, rf, rev);
 }
 
+static inline void rt2x00_print_chip(struct rt2x00_dev *rt2x00dev)
+{
+	INFO(rt2x00dev,
+	     "Chipset detected - rt: %04x, rf: %04x, rev: %08x.\n",
+	     rt2x00dev->chip.rt, rt2x00dev->chip.rf, rt2x00dev->chip.rev);
+}
+
 static inline char rt2x00_rt(const struct rt2x00_chip *chipset, const u16 chip)
 {
 	return (chipset->rt == chip);
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index 6e461351746..bf04605896c 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -2300,6 +2300,7 @@ static int rt61pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
 	value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
 	rt2x00pci_register_read(rt2x00dev, MAC_CSR0, &reg);
 	rt2x00_set_chip_rf(rt2x00dev, value, reg);
+	rt2x00_print_chip(rt2x00dev);
 
 	if (!rt2x00_rf(&rt2x00dev->chip, RF5225) &&
 	    !rt2x00_rf(&rt2x00dev->chip, RF5325) &&
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index 7236f017910..5bbcf6626f7 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -1825,6 +1825,7 @@ static int rt73usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
 	value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
 	rt2x00usb_register_read(rt2x00dev, MAC_CSR0, &reg);
 	rt2x00_set_chip(rt2x00dev, RT2571, value, reg);
+	rt2x00_print_chip(rt2x00dev);
 
 	if (!rt2x00_check_rev(&rt2x00dev->chip, 0x000ffff0, 0x25730) ||
 	    rt2x00_check_rev(&rt2x00dev->chip, 0x0000000f, 0)) {
-- 
GitLab


From 31a4cf1f22677ba1ea90be055bc20aac25b8e7c4 Mon Sep 17 00:00:00 2001
From: Gertjan van Wingerde <gwingerde@gmail.com>
Date: Sat, 14 Nov 2009 20:20:36 +0100
Subject: [PATCH 1281/1815] rt2x00: Fix BUG on rt2800usb when trying to read
 eFuse EEPROM.

Current tree hits a BUG_ON in rt2x00_regbusy_read, because the eFuse EEPROM
reading code of rt2800lib uses the function without the csr_mutex locked.

Fix this by locking the csr_mutex for the of the EEPROM reading cycly and
using the _lock variants of the register reading and writing functions.

This also introcudes the register_read_lock function pointer in the
rt2800_ops structure.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800lib.c | 24 ++++++++++++++----------
 drivers/net/wireless/rt2x00/rt2800lib.h | 11 +++++++++++
 drivers/net/wireless/rt2x00/rt2800pci.c |  1 +
 drivers/net/wireless/rt2x00/rt2800usb.c |  1 +
 4 files changed, 27 insertions(+), 10 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index c7108050af3..621dac18ca6 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -1684,24 +1684,28 @@ static void rt2800_efuse_read(struct rt2x00_dev *rt2x00dev, unsigned int i)
 {
 	u32 reg;
 
-	rt2800_register_read(rt2x00dev, EFUSE_CTRL, &reg);
+	mutex_lock(&rt2x00dev->csr_mutex);
+
+	rt2800_register_read_lock(rt2x00dev, EFUSE_CTRL, &reg);
 	rt2x00_set_field32(&reg, EFUSE_CTRL_ADDRESS_IN, i);
 	rt2x00_set_field32(&reg, EFUSE_CTRL_MODE, 0);
 	rt2x00_set_field32(&reg, EFUSE_CTRL_KICK, 1);
-	rt2800_register_write(rt2x00dev, EFUSE_CTRL, reg);
+	rt2800_register_write_lock(rt2x00dev, EFUSE_CTRL, reg);
 
 	/* Wait until the EEPROM has been loaded */
 	rt2800_regbusy_read(rt2x00dev, EFUSE_CTRL, EFUSE_CTRL_KICK, &reg);
 
 	/* Apparently the data is read from end to start */
-	rt2800_register_read(rt2x00dev, EFUSE_DATA3,
-				(u32 *)&rt2x00dev->eeprom[i]);
-	rt2800_register_read(rt2x00dev, EFUSE_DATA2,
-				(u32 *)&rt2x00dev->eeprom[i + 2]);
-	rt2800_register_read(rt2x00dev, EFUSE_DATA1,
-				(u32 *)&rt2x00dev->eeprom[i + 4]);
-	rt2800_register_read(rt2x00dev, EFUSE_DATA0,
-				(u32 *)&rt2x00dev->eeprom[i + 6]);
+	rt2800_register_read_lock(rt2x00dev, EFUSE_DATA3,
+					(u32 *)&rt2x00dev->eeprom[i]);
+	rt2800_register_read_lock(rt2x00dev, EFUSE_DATA2,
+					(u32 *)&rt2x00dev->eeprom[i + 2]);
+	rt2800_register_read_lock(rt2x00dev, EFUSE_DATA1,
+					(u32 *)&rt2x00dev->eeprom[i + 4]);
+	rt2800_register_read_lock(rt2x00dev, EFUSE_DATA0,
+					(u32 *)&rt2x00dev->eeprom[i + 6]);
+
+	mutex_unlock(&rt2x00dev->csr_mutex);
 }
 
 void rt2800_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.h b/drivers/net/wireless/rt2x00/rt2800lib.h
index 7c790118999..535ce22f2ac 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.h
+++ b/drivers/net/wireless/rt2x00/rt2800lib.h
@@ -23,6 +23,8 @@
 struct rt2800_ops {
 	void (*register_read)(struct rt2x00_dev *rt2x00dev,
 			      const unsigned int offset, u32 *value);
+	void (*register_read_lock)(struct rt2x00_dev *rt2x00dev,
+				   const unsigned int offset, u32 *value);
 	void (*register_write)(struct rt2x00_dev *rt2x00dev,
 			       const unsigned int offset, u32 value);
 	void (*register_write_lock)(struct rt2x00_dev *rt2x00dev,
@@ -49,6 +51,15 @@ static inline void rt2800_register_read(struct rt2x00_dev *rt2x00dev,
 	rt2800ops->register_read(rt2x00dev, offset, value);
 }
 
+static inline void rt2800_register_read_lock(struct rt2x00_dev *rt2x00dev,
+					     const unsigned int offset,
+					     u32 *value)
+{
+	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
+
+	rt2800ops->register_read_lock(rt2x00dev, offset, value);
+}
+
 static inline void rt2800_register_write(struct rt2x00_dev *rt2x00dev,
 					 const unsigned int offset,
 					 u32 value)
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index c7a596f2da3..87a5094ae95 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -1089,6 +1089,7 @@ static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
 
 static const struct rt2800_ops rt2800pci_rt2800_ops = {
 	.register_read		= rt2x00pci_register_read,
+	.register_read_lock	= rt2x00pci_register_read, /* same for PCI */
 	.register_write		= rt2x00pci_register_write,
 	.register_write_lock	= rt2x00pci_register_write, /* same for PCI */
 
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index b57999ba8d9..b1d63935f44 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -682,6 +682,7 @@ static int rt2800usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
 
 static const struct rt2800_ops rt2800usb_rt2800_ops = {
 	.register_read		= rt2x00usb_register_read,
+	.register_read_lock	= rt2x00usb_register_read_lock,
 	.register_write		= rt2x00usb_register_write,
 	.register_write_lock	= rt2x00usb_register_write_lock,
 
-- 
GitLab


From dd6ae4f877ce8cde9f57046a8eea4efc46950502 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sun, 15 Nov 2009 22:27:17 +0100
Subject: [PATCH 1282/1815] ath9k: fix massive rx packet loss issue

This patch fixes a regression introduced in
"ath9k: avoid the copy skb->cb on every RX'd skb"

With that change, the rx status in skb->cb was left uninitialized

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/common.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/ath/ath9k/common.c b/drivers/net/wireless/ath/ath9k/common.c
index acd4bb503df..2f1e1612e2a 100644
--- a/drivers/net/wireless/ath/ath9k/common.c
+++ b/drivers/net/wireless/ath/ath9k/common.c
@@ -203,6 +203,7 @@ int ath9k_cmn_rx_skb_preprocess(struct ath_common *common,
 {
 	struct ath_hw *ah = common->ah;
 
+	memset(rx_status, 0, sizeof(struct ieee80211_rx_status));
 	if (!ath9k_rx_accept(common, skb, rx_status, rx_stats, decrypt_error))
 		return -EINVAL;
 
-- 
GitLab


From 6a62e5ef94f754892734f99e87ca3dedd3cef277 Mon Sep 17 00:00:00 2001
From: Josef Bacik <josef@redhat.com>
Date: Sun, 15 Nov 2009 21:33:18 -0500
Subject: [PATCH 1283/1815] rt2800: do not enable tbtt unless we are in a
 beacon mode

Please be gentle, I'm a fs developer and this is my first foray into drivers, as
I'm tired of building ralinks driver everytime I update my kernel.  Whenever I
load the rt2800pci driver my box bogs down, and a few printk's later I
discovered its because I was getting 10's of thousands of TBTT interrupts a
second.  I discovered this was because we were setting the beacon timer to 0,
which is apparently what TBTT keys off of.  It seems to me that we should only
be enabling TBTT when we are in a beacon transmitting mode, which from what I
can tell is in AD-HOC and other such modes where the mac80211 layer would have
given us a proper beacon_int to set the beacon timer to instead of 0.  So this
is my fix, only enable TBTT if our sync mode is for beacon.  This makes it so my
box doesn't die everytime I load the rt2800pci driver.  Let me know if this is
acceptable, I just learned all these terms about 15 minutes ago via wikipedia,
so I really am not familiar with how this stuff is supposed to work.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800lib.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 621dac18ca6..e94f1e13fea 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -561,7 +561,8 @@ void rt2800_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf,
 		rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
 		rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
 		rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, conf->sync);
-		rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
+		rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE,
+				   (conf->sync == TSF_SYNC_BEACON));
 		rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
 	}
 
-- 
GitLab


From 634a555ce3ee5ea1fdcaee8b4ac9ce7b54f301ac Mon Sep 17 00:00:00 2001
From: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Date: Mon, 16 Nov 2009 12:49:43 +0200
Subject: [PATCH 1284/1815] rndis_wlan: handle NL80211_AUTHTYPE_AUTOMATIC

rndis_wlan didn't know about NL80211_AUTHTYPE_AUTOMATIC and simple
setup with 'iwconfig wlan essid no-encrypt' would fail (ENOSUPP).

v2: use NDIS_80211_AUTH_AUTO_SWITCH instead of _OPEN.
    This will make device try shared key auth first, then open.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rndis_wlan.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c
index 54175b6fa86..aa1880add18 100644
--- a/drivers/net/wireless/rndis_wlan.c
+++ b/drivers/net/wireless/rndis_wlan.c
@@ -1072,6 +1072,8 @@ static int set_auth_mode(struct usbnet *usbdev, u32 wpa_version,
 		auth_mode = NDIS_80211_AUTH_SHARED;
 	else if (auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM)
 		auth_mode = NDIS_80211_AUTH_OPEN;
+	else if (auth_type == NL80211_AUTHTYPE_AUTOMATIC)
+		auth_mode = NDIS_80211_AUTH_AUTO_SWITCH;
 	else
 		return -ENOTSUPP;
 
-- 
GitLab


From 2eb2fa67e5462a36e98172fb92c78bc405b3035f Mon Sep 17 00:00:00 2001
From: Bob Copeland <me@bobcopeland.com>
Date: Mon, 16 Nov 2009 08:30:29 -0500
Subject: [PATCH 1285/1815] ath5k: allow setting txpower to 0

As a holdover from earlier code when we used to set
the power limit to '0' after a reset to configure the
default transmit power, ath5k interprets txpower=0 as
12.5 dBm.  Fix that by just passing 0 through.

This fixes http://bugzilla.kernel.org/show_bug.cgi?id=14567

Cc: stable@kernel.org
Reported-by: Daniel Folkers <daniel.folkers@task24.nl>
Tested-by: Daniel Folkers <daniel.folkers@task24.nl>
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath5k/phy.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ath5k/phy.c b/drivers/net/wireless/ath/ath5k/phy.c
index 895990751d3..721ec5ee381 100644
--- a/drivers/net/wireless/ath/ath5k/phy.c
+++ b/drivers/net/wireless/ath/ath5k/phy.c
@@ -3025,8 +3025,6 @@ ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel,
 		ATH5K_ERR(ah->ah_sc, "invalid tx power: %u\n", txpower);
 		return -EINVAL;
 	}
-	if (txpower == 0)
-		txpower = AR5K_TUNE_DEFAULT_TXPOWER;
 
 	/* Reset TX power values */
 	memset(&ah->ah_txpower, 0, sizeof(ah->ah_txpower));
-- 
GitLab


From b23709248fc9b6d5877f9c741d639a160ed21ff6 Mon Sep 17 00:00:00 2001
From: Jouni Malinen <jouni.malinen@atheros.com>
Date: Mon, 16 Nov 2009 19:54:08 +0200
Subject: [PATCH 1286/1815] mac80211: Do not queue Probe Request frames for
 station MLME

Cooked monitor interfaces cannot currently receive Probe Request
frames when the interface is in station mode. However, we do not
process Probe Request frames internally in the station MLME, so there
is no point in queueing the frame here. Remove Probe Request frames
from the queued frame list to allow cooked monitor interfaces to
receive these frames.

Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/mlme.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index dcc14e99227..2af306f67d7 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1898,7 +1898,6 @@ ieee80211_rx_result ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata,
 	fc = le16_to_cpu(mgmt->frame_control);
 
 	switch (fc & IEEE80211_FCTL_STYPE) {
-	case IEEE80211_STYPE_PROBE_REQ:
 	case IEEE80211_STYPE_PROBE_RESP:
 	case IEEE80211_STYPE_BEACON:
 	case IEEE80211_STYPE_AUTH:
-- 
GitLab


From fa6cae143d58c74d800b8dbdd8b9f058614874f2 Mon Sep 17 00:00:00 2001
From: zeal <zealcook@gmail.com>
Date: Mon, 16 Nov 2009 04:58:09 +0000
Subject: [PATCH 1287/1815] KS8695: fix ks8695_rx_irq() bug.

ks8695 rx irq is edge-level. Before arriving at irq handler, the
corresponding status bit has been clear(irq's ack).
So we should not check it after that.

Signed-off-by: zeal <zealcook@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/arm/ks8695net.c | 22 +++++++---------------
 1 file changed, 7 insertions(+), 15 deletions(-)

diff --git a/drivers/net/arm/ks8695net.c b/drivers/net/arm/ks8695net.c
index 0073d198715..e15451a8510 100644
--- a/drivers/net/arm/ks8695net.c
+++ b/drivers/net/arm/ks8695net.c
@@ -433,24 +433,16 @@ ks8695_rx_irq(int irq, void *dev_id)
 {
 	struct net_device *ndev = (struct net_device *)dev_id;
 	struct ks8695_priv *ksp = netdev_priv(ndev);
-	unsigned long status;
-
-	unsigned long mask_bit = 1 << ks8695_get_rx_enable_bit(ksp);
 
 	spin_lock(&ksp->rx_lock);
 
-	status = readl(KS8695_IRQ_VA + KS8695_INTST);
-
-	/*clean rx status bit*/
-	writel(status | mask_bit , KS8695_IRQ_VA + KS8695_INTST);
-
-	if (status & mask_bit) {
-		if (napi_schedule_prep(&ksp->napi)) {
-			/*disable rx interrupt*/
-			status &= ~mask_bit;
-			writel(status , KS8695_IRQ_VA + KS8695_INTEN);
-			__napi_schedule(&ksp->napi);
-		}
+	if (napi_schedule_prep(&ksp->napi)) {
+		unsigned long status = readl(KS8695_IRQ_VA + KS8695_INTEN);
+		unsigned long mask_bit = 1 << ks8695_get_rx_enable_bit(ksp);
+		/*disable rx interrupt*/
+		status &= ~mask_bit;
+		writel(status , KS8695_IRQ_VA + KS8695_INTEN);
+		__napi_schedule(&ksp->napi);
 	}
 
 	spin_unlock(&ksp->rx_lock);
-- 
GitLab


From 5c427ff9e4cc61625d48172ea082ae99e21eea6a Mon Sep 17 00:00:00 2001
From: zeal <zealcook@gmail.com>
Date: Mon, 16 Nov 2009 04:58:10 +0000
Subject: [PATCH 1288/1815] KS8695: fix ks8695_rx() unreasonable action.

ks8695_rx() will call refill_buffers() for every incoming packet.
Its not necessary. We just need do it after finishing receiving thing.
And the 'RX dma engine' is in the same situation.
This blocks our user space application. The following patch may fix it.

Signed-off-by: zeal <zealcook@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/arm/ks8695net.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/net/arm/ks8695net.c b/drivers/net/arm/ks8695net.c
index e15451a8510..be256b34cea 100644
--- a/drivers/net/arm/ks8695net.c
+++ b/drivers/net/arm/ks8695net.c
@@ -544,14 +544,13 @@ rx_finished:
 				ksp->next_rx_desc_read =
 					(last_rx_processed + 1) &
 					MAX_RX_DESC_MASK;
-
-			/* And refill the buffers */
-			ks8695_refill_rxbuffers(ksp);
-
-			/* Kick the RX DMA engine, in case it became
-			 *  suspended */
-			ks8695_writereg(ksp, KS8695_DRSC, 0);
 	}
+	/* And refill the buffers */
+	ks8695_refill_rxbuffers(ksp);
+
+	/* Kick the RX DMA engine, in case it became
+	 *  suspended */
+	ks8695_writereg(ksp, KS8695_DRSC, 0);
 	return received;
 }
 
-- 
GitLab


From 622ed7e9cfa931cefc423562d414cb6cd0b08991 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Mon, 16 Nov 2009 12:57:44 +0000
Subject: [PATCH 1289/1815] net/can/mscan: move defines into .h file

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/can/mscan/mscan.c | 29 -----------------------------
 drivers/net/can/mscan/mscan.h | 29 +++++++++++++++++++++++++++++
 2 files changed, 29 insertions(+), 29 deletions(-)

diff --git a/drivers/net/can/mscan/mscan.c b/drivers/net/can/mscan/mscan.c
index 49542cab9df..2539ebe21bc 100644
--- a/drivers/net/can/mscan/mscan.c
+++ b/drivers/net/can/mscan/mscan.c
@@ -35,31 +35,6 @@
 
 #include "mscan.h"
 
-#define MSCAN_NORMAL_MODE	0
-#define MSCAN_SLEEP_MODE	MSCAN_SLPRQ
-#define MSCAN_INIT_MODE		(MSCAN_INITRQ | MSCAN_SLPRQ)
-#define MSCAN_POWEROFF_MODE	(MSCAN_CSWAI | MSCAN_SLPRQ)
-#define MSCAN_SET_MODE_RETRIES	255
-#define MSCAN_ECHO_SKB_MAX	3
-
-#define BTR0_BRP_MASK		0x3f
-#define BTR0_SJW_SHIFT		6
-#define BTR0_SJW_MASK		(0x3 << BTR0_SJW_SHIFT)
-
-#define BTR1_TSEG1_MASK 	0xf
-#define BTR1_TSEG2_SHIFT	4
-#define BTR1_TSEG2_MASK 	(0x7 << BTR1_TSEG2_SHIFT)
-#define BTR1_SAM_SHIFT  	7
-
-#define BTR0_SET_BRP(brp)	(((brp) - 1) & BTR0_BRP_MASK)
-#define BTR0_SET_SJW(sjw)	((((sjw) - 1) << BTR0_SJW_SHIFT) & \
-				 BTR0_SJW_MASK)
-
-#define BTR1_SET_TSEG1(tseg1)	(((tseg1) - 1) &  BTR1_TSEG1_MASK)
-#define BTR1_SET_TSEG2(tseg2)	((((tseg2) - 1) << BTR1_TSEG2_SHIFT) & \
-				 BTR1_TSEG2_MASK)
-#define BTR1_SET_SAM(sam)	((sam) ? 1 << BTR1_SAM_SHIFT : 0)
-
 static struct can_bittiming_const mscan_bittiming_const = {
 	.name = "mscan",
 	.tseg1_min = 4,
@@ -78,10 +53,6 @@ struct mscan_state {
 	u8 cantier;
 };
 
-#define F_RX_PROGRESS	0
-#define F_TX_PROGRESS	1
-#define F_TX_WAIT_ALL	2
-
 static enum can_state state_map[] = {
 	CAN_STATE_ERROR_ACTIVE,
 	CAN_STATE_ERROR_WARNING,
diff --git a/drivers/net/can/mscan/mscan.h b/drivers/net/can/mscan/mscan.h
index 57820f5fb81..76a8abf1c34 100644
--- a/drivers/net/can/mscan/mscan.h
+++ b/drivers/net/can/mscan/mscan.h
@@ -226,6 +226,35 @@ struct mscan_regs {
 #undef _MSCAN_RESERVED_
 #define MSCAN_REGION 	sizeof(struct mscan)
 
+#define MSCAN_NORMAL_MODE	0
+#define MSCAN_SLEEP_MODE	MSCAN_SLPRQ
+#define MSCAN_INIT_MODE		(MSCAN_INITRQ | MSCAN_SLPRQ)
+#define MSCAN_POWEROFF_MODE	(MSCAN_CSWAI | MSCAN_SLPRQ)
+#define MSCAN_SET_MODE_RETRIES	255
+#define MSCAN_ECHO_SKB_MAX	3
+
+#define BTR0_BRP_MASK		0x3f
+#define BTR0_SJW_SHIFT		6
+#define BTR0_SJW_MASK		(0x3 << BTR0_SJW_SHIFT)
+
+#define BTR1_TSEG1_MASK 	0xf
+#define BTR1_TSEG2_SHIFT	4
+#define BTR1_TSEG2_MASK 	(0x7 << BTR1_TSEG2_SHIFT)
+#define BTR1_SAM_SHIFT  	7
+
+#define BTR0_SET_BRP(brp)	(((brp) - 1) & BTR0_BRP_MASK)
+#define BTR0_SET_SJW(sjw)	((((sjw) - 1) << BTR0_SJW_SHIFT) & \
+				 BTR0_SJW_MASK)
+
+#define BTR1_SET_TSEG1(tseg1)	(((tseg1) - 1) &  BTR1_TSEG1_MASK)
+#define BTR1_SET_TSEG2(tseg2)	((((tseg2) - 1) << BTR1_TSEG2_SHIFT) & \
+				 BTR1_TSEG2_MASK)
+#define BTR1_SET_SAM(sam)	((sam) ? 1 << BTR1_SAM_SHIFT : 0)
+
+#define F_RX_PROGRESS	0
+#define F_TX_PROGRESS	1
+#define F_TX_WAIT_ALL	2
+
 #define TX_QUEUE_SIZE	3
 
 struct tx_queue_entry {
-- 
GitLab


From 0285e7ceaaec9ef2d2e74dd37e2b557c0e017b5c Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Mon, 16 Nov 2009 12:57:45 +0000
Subject: [PATCH 1290/1815] net/can/mscan: trivial fixes

- remove whitespaces
- use ! and ?: when apropriate
- make braces consistent

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/can/mscan/mpc52xx_can.c | 16 +++++-----------
 drivers/net/can/mscan/mscan.c       | 25 +++++++++++++------------
 2 files changed, 18 insertions(+), 23 deletions(-)

diff --git a/drivers/net/can/mscan/mpc52xx_can.c b/drivers/net/can/mscan/mpc52xx_can.c
index 4707a82f1ae..34ae2baec5d 100644
--- a/drivers/net/can/mscan/mpc52xx_can.c
+++ b/drivers/net/can/mscan/mpc52xx_can.c
@@ -34,7 +34,6 @@
 
 #include "mscan.h"
 
-
 #define DRV_NAME "mpc5xxx_can"
 
 static struct of_device_id mpc52xx_cdm_ids[] __devinitdata = {
@@ -71,15 +70,10 @@ static unsigned int  __devinit mpc52xx_can_xtal_freq(struct of_device *of)
 
 	if (in_8(&cdm->ipb_clk_sel) & 0x1)
 		freq *= 2;
-	val  = in_be32(&cdm->rstcfg);
-	if (val & (1 << 5))
-		freq *= 8;
-	else
-		freq *= 4;
-	if (val & (1 << 6))
-		freq /= 12;
-	else
-		freq /= 16;
+	val = in_be32(&cdm->rstcfg);
+
+	freq *= (val & (1 << 5)) ? 8 : 4;
+	freq /= (val & (1 << 6)) ? 12 : 16;
 
 	iounmap(cdm);
 
@@ -222,7 +216,7 @@ static int mpc5xxx_can_resume(struct of_device *ofdev)
 	struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base;
 
 	regs->canctl0 |= MSCAN_INITRQ;
-	while ((regs->canctl1 & MSCAN_INITAK) == 0)
+	while (!(regs->canctl1 & MSCAN_INITAK))
 		udelay(10);
 
 	regs->canctl1 = saved_regs.canctl1;
diff --git a/drivers/net/can/mscan/mscan.c b/drivers/net/can/mscan/mscan.c
index 2539ebe21bc..6394de84042 100644
--- a/drivers/net/can/mscan/mscan.c
+++ b/drivers/net/can/mscan/mscan.c
@@ -69,7 +69,6 @@ static int mscan_set_mode(struct net_device *dev, u8 mode)
 	u8 canctl1;
 
 	if (mode != MSCAN_NORMAL_MODE) {
-
 		if (priv->tx_active) {
 			/* Abort transfers before going to sleep */#
 			out_8(&regs->cantarq, priv->tx_active);
@@ -78,7 +77,7 @@ static int mscan_set_mode(struct net_device *dev, u8 mode)
 		}
 
 		canctl1 = in_8(&regs->canctl1);
-		if ((mode & MSCAN_SLPRQ) && (canctl1 & MSCAN_SLPAK) == 0) {
+		if ((mode & MSCAN_SLPRQ) && !(canctl1 & MSCAN_SLPAK)) {
 			out_8(&regs->canctl0,
 			      in_8(&regs->canctl0) | MSCAN_SLPRQ);
 			for (i = 0; i < MSCAN_SET_MODE_RETRIES; i++) {
@@ -105,7 +104,7 @@ static int mscan_set_mode(struct net_device *dev, u8 mode)
 				priv->can.state = CAN_STATE_SLEEPING;
 		}
 
-		if ((mode & MSCAN_INITRQ) && (canctl1 & MSCAN_INITAK) == 0) {
+		if ((mode & MSCAN_INITRQ) && !(canctl1 & MSCAN_INITAK)) {
 			out_8(&regs->canctl0,
 			      in_8(&regs->canctl0) | MSCAN_INITRQ);
 			for (i = 0; i < MSCAN_SET_MODE_RETRIES; i++) {
@@ -233,7 +232,8 @@ static netdev_tx_t mscan_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
 	if (!rtr) {
 		void __iomem *data = &regs->tx.dsr1_0;
-		u16 *payload = (u16 *) frame->data;
+		u16 *payload = (u16 *)frame->data;
+
 		/* It is safe to write into dsr[dlc+1] */
 		for (i = 0; i < (frame->can_dlc + 1) / 2; i++) {
 			out_be16(data, *payload++);
@@ -300,7 +300,8 @@ static void mscan_get_rx_frame(struct net_device *dev, struct can_frame *frame)
 
 	if (!(frame->can_id & CAN_RTR_FLAG)) {
 		void __iomem *data = &regs->rx.dsr1_0;
-		u16 *payload = (u16 *) frame->data;
+		u16 *payload = (u16 *)frame->data;
+
 		for (i = 0; i < (frame->can_dlc + 1) / 2; i++) {
 			*payload++ = in_be16(data);
 			data += 2 + _MSCAN_RESERVED_DSR_SIZE;
@@ -326,8 +327,9 @@ static void mscan_get_err_frame(struct net_device *dev, struct can_frame *frame,
 		frame->data[1] = CAN_ERR_CRTL_RX_OVERFLOW;
 		stats->rx_over_errors++;
 		stats->rx_errors++;
-	} else
+	} else {
 		frame->data[1] = 0;
+	}
 
 	old_state = check_set_state(dev, canrflg);
 	/* State changed */
@@ -339,7 +341,6 @@ static void mscan_get_err_frame(struct net_device *dev, struct can_frame *frame,
 			if ((priv->shadow_statflg & MSCAN_RSTAT_MSK) <
 			    (canrflg & MSCAN_RSTAT_MSK))
 				frame->data[1] |= CAN_ERR_CRTL_RX_WARNING;
-
 			if ((priv->shadow_statflg & MSCAN_TSTAT_MSK) <
 			    (canrflg & MSCAN_TSTAT_MSK))
 				frame->data[1] |= CAN_ERR_CRTL_TX_WARNING;
@@ -397,7 +398,7 @@ static int mscan_rx_poll(struct napi_struct *napi, int quota)
 
 		if (canrflg & MSCAN_RXF)
 			mscan_get_rx_frame(dev, frame);
-		 else if (canrflg & MSCAN_ERR_IF)
+		else if (canrflg & MSCAN_ERR_IF)
 			mscan_get_err_frame(dev, frame, canrflg);
 
 		stats->rx_packets++;
@@ -429,7 +430,6 @@ static irqreturn_t mscan_isr(int irq, void *dev_id)
 	cantflg = in_8(&regs->cantflg) & cantier;
 
 	if (cantier && cantflg) {
-
 		struct list_head *tmp, *pos;
 
 		list_for_each_safe(pos, tmp, &priv->tx_head) {
@@ -452,8 +452,9 @@ static irqreturn_t mscan_isr(int irq, void *dev_id)
 			clear_bit(F_TX_WAIT_ALL, &priv->flags);
 			clear_bit(F_TX_PROGRESS, &priv->flags);
 			priv->cur_pri = 0;
-		} else
+		} else {
 			dev->trans_start = jiffies;
+		}
 
 		if (!test_bit(F_TX_WAIT_ALL, &priv->flags))
 			netif_wake_queue(dev);
@@ -470,15 +471,15 @@ static irqreturn_t mscan_isr(int irq, void *dev_id)
 			out_8(&regs->canrier, 0);
 			napi_schedule(&priv->napi);
 			ret = IRQ_HANDLED;
-		} else
+		} else {
 			clear_bit(F_RX_PROGRESS, &priv->flags);
+		}
 	}
 	return ret;
 }
 
 static int mscan_do_set_mode(struct net_device *dev, enum can_mode mode)
 {
-
 	struct mscan_priv *priv = netdev_priv(dev);
 	int ret = 0;
 
-- 
GitLab


From 377a1f0b92819697aa1792f171c305a681fcca5a Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Mon, 16 Nov 2009 12:57:46 +0000
Subject: [PATCH 1291/1815] net/can/mscan: drop support for
 CAN_MODE_{SLEEP|STOP}

The upper layer does not support it yet.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/can/mscan/mscan.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/net/can/mscan/mscan.c b/drivers/net/can/mscan/mscan.c
index 6394de84042..839b471cdf5 100644
--- a/drivers/net/can/mscan/mscan.c
+++ b/drivers/net/can/mscan/mscan.c
@@ -487,14 +487,6 @@ static int mscan_do_set_mode(struct net_device *dev, enum can_mode mode)
 		return -EINVAL;
 
 	switch (mode) {
-	case CAN_MODE_SLEEP:
-	case CAN_MODE_STOP:
-		netif_stop_queue(dev);
-		mscan_set_mode(dev,
-			       (mode ==
-				CAN_MODE_STOP) ? MSCAN_INIT_MODE :
-			       MSCAN_SLEEP_MODE);
-		break;
 	case CAN_MODE_START:
 		if (priv->can.state <= CAN_STATE_BUS_OFF)
 			mscan_set_mode(dev, MSCAN_INIT_MODE);
-- 
GitLab


From 59179ea60c117fe62b80705a12c1e9e919638120 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Mon, 16 Nov 2009 12:57:47 +0000
Subject: [PATCH 1292/1815] net/can/mscan: use {clr|set}bits8 macros

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/can/mscan/mscan.c | 19 +++++++------------
 1 file changed, 7 insertions(+), 12 deletions(-)

diff --git a/drivers/net/can/mscan/mscan.c b/drivers/net/can/mscan/mscan.c
index 839b471cdf5..ca8b55685ad 100644
--- a/drivers/net/can/mscan/mscan.c
+++ b/drivers/net/can/mscan/mscan.c
@@ -78,8 +78,7 @@ static int mscan_set_mode(struct net_device *dev, u8 mode)
 
 		canctl1 = in_8(&regs->canctl1);
 		if ((mode & MSCAN_SLPRQ) && !(canctl1 & MSCAN_SLPAK)) {
-			out_8(&regs->canctl0,
-			      in_8(&regs->canctl0) | MSCAN_SLPRQ);
+			setbits8(&regs->canctl0, MSCAN_SLPRQ);
 			for (i = 0; i < MSCAN_SET_MODE_RETRIES; i++) {
 				if (in_8(&regs->canctl1) & MSCAN_SLPAK)
 					break;
@@ -105,8 +104,7 @@ static int mscan_set_mode(struct net_device *dev, u8 mode)
 		}
 
 		if ((mode & MSCAN_INITRQ) && !(canctl1 & MSCAN_INITAK)) {
-			out_8(&regs->canctl0,
-			      in_8(&regs->canctl0) | MSCAN_INITRQ);
+			setbits8(&regs->canctl0, MSCAN_INITRQ);
 			for (i = 0; i < MSCAN_SET_MODE_RETRIES; i++) {
 				if (in_8(&regs->canctl1) & MSCAN_INITAK)
 					break;
@@ -118,14 +116,12 @@ static int mscan_set_mode(struct net_device *dev, u8 mode)
 			priv->can.state = CAN_STATE_STOPPED;
 
 		if (mode & MSCAN_CSWAI)
-			out_8(&regs->canctl0,
-			      in_8(&regs->canctl0) | MSCAN_CSWAI);
+			setbits8(&regs->canctl0, MSCAN_CSWAI);
 
 	} else {
 		canctl1 = in_8(&regs->canctl1);
 		if (canctl1 & (MSCAN_SLPAK | MSCAN_INITAK)) {
-			out_8(&regs->canctl0, in_8(&regs->canctl0) &
-			      ~(MSCAN_SLPRQ | MSCAN_INITRQ));
+			clrbits8(&regs->canctl0, MSCAN_SLPRQ | MSCAN_INITRQ);
 			for (i = 0; i < MSCAN_SET_MODE_RETRIES; i++) {
 				canctl1 = in_8(&regs->canctl1);
 				if (!(canctl1 & (MSCAN_INITAK | MSCAN_SLPAK)))
@@ -359,8 +355,7 @@ static void mscan_get_err_frame(struct net_device *dev, struct can_frame *frame,
 			 */
 			out_8(&regs->cantier, 0);
 			out_8(&regs->canrier, 0);
-			out_8(&regs->canctl0, in_8(&regs->canctl0) |
-				MSCAN_SLPRQ | MSCAN_INITRQ);
+			setbits8(&regs->canctl0, MSCAN_SLPRQ | MSCAN_INITRQ);
 			can_bus_off(dev);
 			break;
 		default:
@@ -548,7 +543,7 @@ static int mscan_open(struct net_device *dev)
 
 	priv->open_time = jiffies;
 
-	out_8(&regs->canctl1, in_8(&regs->canctl1) & ~MSCAN_LISTEN);
+	clrbits8(&regs->canctl1, MSCAN_LISTEN);
 
 	ret = mscan_start(dev);
 	if (ret)
@@ -623,7 +618,7 @@ void unregister_mscandev(struct net_device *dev)
 	struct mscan_priv *priv = netdev_priv(dev);
 	struct mscan_regs *regs = (struct mscan_regs *)priv->reg_base;
 	mscan_set_mode(dev, MSCAN_INIT_MODE);
-	out_8(&regs->canctl1, in_8(&regs->canctl1) & ~MSCAN_CANE);
+	clrbits8(&regs->canctl1, MSCAN_CANE);
 	unregister_candev(dev);
 }
 EXPORT_SYMBOL_GPL(unregister_mscandev);
-- 
GitLab


From 1712fe59415faf23a36c38dbacf18efd4ffe94e0 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Mon, 16 Nov 2009 12:57:48 +0000
Subject: [PATCH 1293/1815] net/can/mscan: fix function annotations

- use extern where apropriate
- don't export symbols

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/can/mscan/mscan.c | 3 ---
 drivers/net/can/mscan/mscan.h | 2 +-
 2 files changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/net/can/mscan/mscan.c b/drivers/net/can/mscan/mscan.c
index ca8b55685ad..76e413e7fdb 100644
--- a/drivers/net/can/mscan/mscan.c
+++ b/drivers/net/can/mscan/mscan.c
@@ -611,7 +611,6 @@ int register_mscandev(struct net_device *dev, int clock_src)
 
 	return register_candev(dev);
 }
-EXPORT_SYMBOL_GPL(register_mscandev);
 
 void unregister_mscandev(struct net_device *dev)
 {
@@ -621,7 +620,6 @@ void unregister_mscandev(struct net_device *dev)
 	clrbits8(&regs->canctl1, MSCAN_CANE);
 	unregister_candev(dev);
 }
-EXPORT_SYMBOL_GPL(unregister_mscandev);
 
 struct net_device *alloc_mscandev(void)
 {
@@ -651,7 +649,6 @@ struct net_device *alloc_mscandev(void)
 
 	return dev;
 }
-EXPORT_SYMBOL_GPL(alloc_mscandev);
 
 MODULE_AUTHOR("Andrey Volkov <avolkov@varma-el.com>");
 MODULE_LICENSE("GPL v2");
diff --git a/drivers/net/can/mscan/mscan.h b/drivers/net/can/mscan/mscan.h
index 76a8abf1c34..20180007fe3 100644
--- a/drivers/net/can/mscan/mscan.h
+++ b/drivers/net/can/mscan/mscan.h
@@ -279,7 +279,7 @@ struct mscan_priv {
 	struct napi_struct napi;
 };
 
-struct net_device *alloc_mscandev(void);
+extern struct net_device *alloc_mscandev(void);
 /*
  * clock_src:
  *	1 = The MSCAN clock source is the onchip Bus Clock.
-- 
GitLab


From 68bd7422a2e07a4e5502137cd4bddb8c2774a912 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Mon, 16 Nov 2009 12:57:49 +0000
Subject: [PATCH 1294/1815] net/can/mscan: drop assignment in while-construct

As suggested by Wolfgang Grandegger.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/can/mscan/mscan.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/can/mscan/mscan.c b/drivers/net/can/mscan/mscan.c
index 76e413e7fdb..20d1991b909 100644
--- a/drivers/net/can/mscan/mscan.c
+++ b/drivers/net/can/mscan/mscan.c
@@ -379,8 +379,10 @@ static int mscan_rx_poll(struct napi_struct *napi, int quota)
 	struct can_frame *frame;
 	u8 canrflg;
 
-	while (npackets < quota && ((canrflg = in_8(&regs->canrflg)) &
-				    (MSCAN_RXF | MSCAN_ERR_IF))) {
+	while (npackets < quota) {
+		canrflg = in_8(&regs->canrflg);
+		if (!(canrflg & (MSCAN_RXF | MSCAN_ERR_IF)))
+			break;
 
 		skb = alloc_can_skb(dev, &frame);
 		if (!skb) {
-- 
GitLab


From 3f158c253214bb783e7072f6848b61c1999631e7 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Mon, 16 Nov 2009 12:57:50 +0000
Subject: [PATCH 1295/1815] net/can/mpc52xx_can: refactor clock-get routine

Merge two functions into one. The result is smaller as they can now share some
variables.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/can/mscan/mpc52xx_can.c | 45 ++++++++++-------------------
 1 file changed, 16 insertions(+), 29 deletions(-)

diff --git a/drivers/net/can/mscan/mpc52xx_can.c b/drivers/net/can/mscan/mpc52xx_can.c
index 34ae2baec5d..a915959b6b3 100644
--- a/drivers/net/can/mscan/mpc52xx_can.c
+++ b/drivers/net/can/mscan/mpc52xx_can.c
@@ -38,28 +38,37 @@
 
 static struct of_device_id mpc52xx_cdm_ids[] __devinitdata = {
 	{ .compatible = "fsl,mpc5200-cdm", },
-	{ .compatible = "fsl,mpc5200b-cdm", },
 	{}
 };
 
 /*
- * Get the frequency of the external oscillator clock connected
- * to the SYS_XTAL_IN pin, or return 0 if it cannot be determined.
+ * Get frequency of the MSCAN clock source
+ *
+ * Either the oscillator clock (SYS_XTAL_IN) or the IP bus clock (IP_CLK)
+ * can be selected. According to the MPC5200 user's manual, the oscillator
+ * clock is the better choice as it has less jitter but due to a hardware
+ * bug, it can not be selected for the old MPC5200 Rev. A chips.
  */
-static unsigned int  __devinit mpc52xx_can_xtal_freq(struct of_device *of)
+
+static unsigned int  __devinit mpc52xx_can_clock_freq(struct of_device *of,
+						      int clock_src)
 {
+	unsigned int pvr;
 	struct mpc52xx_cdm  __iomem *cdm;
 	struct device_node *np_cdm;
 	unsigned int freq;
 	u32 val;
 
+	pvr = mfspr(SPRN_PVR);
+
 	freq = mpc5xxx_get_bus_frequency(of->node);
 	if (!freq)
 		return 0;
 
-	/*
-	 * Determine SYS_XTAL_IN frequency from the clock domain settings
-	 */
+	if (clock_src == MSCAN_CLKSRC_BUS || pvr == 0x80822011)
+		return freq;
+
+	/* Determine SYS_XTAL_IN frequency from the clock domain settings */
 	np_cdm = of_find_matching_node(NULL, mpc52xx_cdm_ids);
 	if (!np_cdm) {
 		dev_err(&of->dev, "can't get clock node!\n");
@@ -80,28 +89,6 @@ static unsigned int  __devinit mpc52xx_can_xtal_freq(struct of_device *of)
 	return freq;
 }
 
-/*
- * Get frequency of the MSCAN clock source
- *
- * Either the oscillator clock (SYS_XTAL_IN) or the IP bus clock (IP_CLK)
- * can be selected. According to the MPC5200 user's manual, the oscillator
- * clock is the better choice as it has less jitter but due to a hardware
- * bug, it can not be selected for the old MPC5200 Rev. A chips.
- */
-
-static unsigned int  __devinit mpc52xx_can_clock_freq(struct of_device *of,
-						      int clock_src)
-{
-	unsigned int pvr;
-
-	pvr = mfspr(SPRN_PVR);
-
-	if (clock_src == MSCAN_CLKSRC_BUS || pvr == 0x80822011)
-		return mpc5xxx_get_bus_frequency(of->node);
-
-	return mpc52xx_can_xtal_freq(of);
-}
-
 static int __devinit mpc5xxx_can_probe(struct of_device *ofdev,
 				       const struct of_device_id *id)
 {
-- 
GitLab


From 81593c1cea7afdcd653c77d626aa186993e39c91 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Mon, 16 Nov 2009 12:57:51 +0000
Subject: [PATCH 1296/1815] net/can/mpc52xx_can: improve properties and their
 description

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: devicetree-discuss@ozlabs.org
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 Documentation/powerpc/dts-bindings/fsl/mpc5200.txt | 9 +++++----
 drivers/net/can/mscan/mpc52xx_can.c                | 3 +--
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/Documentation/powerpc/dts-bindings/fsl/mpc5200.txt b/Documentation/powerpc/dts-bindings/fsl/mpc5200.txt
index b151fb1ddef..cabc780f725 100644
--- a/Documentation/powerpc/dts-bindings/fsl/mpc5200.txt
+++ b/Documentation/powerpc/dts-bindings/fsl/mpc5200.txt
@@ -181,9 +181,10 @@ External interrupts:
 fsl,mpc5200-mscan nodes
 -----------------------
 In addition to the required compatible-, reg- and interrupt-properites, you can
-also specify which clock shall be used for the bus:
+also specify which clock source shall be used for the controller:
 
-- fsl,mscan-clk-src	- a string describing the clock source. Valid values
-			  are "ip" for IP_CLK and "sys" for SYS_XTAL.
-			  "sys" is the default in case the property is not
+- fsl,mscan-clock-source- a string describing the clock source. Valid values
+			  are:	"ip" for ip bus clock
+				"ref" for reference clock (XTAL)
+			  "ref" is default in case this property is not
 			  present.
diff --git a/drivers/net/can/mscan/mpc52xx_can.c b/drivers/net/can/mscan/mpc52xx_can.c
index a915959b6b3..1de6f6349b1 100644
--- a/drivers/net/can/mscan/mpc52xx_can.c
+++ b/drivers/net/can/mscan/mpc52xx_can.c
@@ -130,7 +130,7 @@ static int __devinit mpc5xxx_can_probe(struct of_device *ofdev,
 	 * choice as it has less jitter. For this reason, it is selected
 	 * by default.
 	 */
-	clk_src = of_get_property(np, "fsl,mscan-clk-src", NULL);
+	clk_src = of_get_property(np, "fsl,mscan-clock-source", NULL);
 	if (clk_src && strcmp(clk_src, "ip") == 0)
 		clock_src = MSCAN_CLKSRC_BUS;
 	else
@@ -227,7 +227,6 @@ static int mpc5xxx_can_resume(struct of_device *ofdev)
 
 static struct of_device_id __devinitdata mpc5xxx_can_table[] = {
 	{.compatible = "fsl,mpc5200-mscan"},
-	{.compatible = "fsl,mpc5200b-mscan"},
 	{},
 };
 
-- 
GitLab


From 74ff60b29ec602322178d32cb2a82b24ddb884fc Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Mon, 16 Nov 2009 12:57:52 +0000
Subject: [PATCH 1297/1815] net/can/mscan: replace hardcoded values with
 defines

Not all hardcoded values have been replaced as this made the code quite
unreadable. IMHO this compromise serves the purpose of readability.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/can/mscan/mscan.c | 15 ++++++++++-----
 drivers/net/can/mscan/mscan.h |  5 +++++
 2 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/drivers/net/can/mscan/mscan.c b/drivers/net/can/mscan/mscan.c
index 20d1991b909..263d1a9f088 100644
--- a/drivers/net/can/mscan/mscan.c
+++ b/drivers/net/can/mscan/mscan.c
@@ -211,18 +211,23 @@ static netdev_tx_t mscan_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
 	rtr = frame->can_id & CAN_RTR_FLAG;
 
+	/* RTR is always the lowest bit of interest, then IDs follow */
 	if (frame->can_id & CAN_EFF_FLAG) {
-		can_id = (frame->can_id & CAN_EFF_MASK) << 1;
+		can_id = (frame->can_id & CAN_EFF_MASK)
+			 << (MSCAN_EFF_RTR_SHIFT + 1);
 		if (rtr)
-			can_id |= 1;
+			can_id |= 1 << MSCAN_EFF_RTR_SHIFT;
 		out_be16(&regs->tx.idr3_2, can_id);
 
 		can_id >>= 16;
-		can_id = (can_id & 0x7) | ((can_id << 2) & 0xffe0) | (3 << 3);
+		/* EFF_FLAGS are inbetween the IDs :( */
+		can_id = (can_id & 0x7) | ((can_id << 2) & 0xffe0)
+			 | MSCAN_EFF_FLAGS;
 	} else {
-		can_id = (frame->can_id & CAN_SFF_MASK) << 5;
+		can_id = (frame->can_id & CAN_SFF_MASK)
+			 << (MSCAN_SFF_RTR_SHIFT + 1);
 		if (rtr)
-			can_id |= 1 << 4;
+			can_id |= 1 << MSCAN_SFF_RTR_SHIFT;
 	}
 	out_be16(&regs->tx.idr1_0, can_id);
 
diff --git a/drivers/net/can/mscan/mscan.h b/drivers/net/can/mscan/mscan.h
index 20180007fe3..00fc4aaf1ed 100644
--- a/drivers/net/can/mscan/mscan.h
+++ b/drivers/net/can/mscan/mscan.h
@@ -131,6 +131,11 @@
 /* MSCAN Miscellaneous Register (CANMISC) bits */
 #define MSCAN_BOHOLD		0x01
 
+/* MSCAN Identifier Register (IDR) bits */
+#define MSCAN_SFF_RTR_SHIFT	4
+#define MSCAN_EFF_RTR_SHIFT	0
+#define MSCAN_EFF_FLAGS		0x18	/* IDE + SRR */
+
 #ifdef MSCAN_FOR_MPC5200
 #define _MSCAN_RESERVED_(n, num) u8 _res##n[num]
 #define _MSCAN_RESERVED_DSR_SIZE	2
-- 
GitLab


From 323907ac72a223ed4e4d67ce8e3589900023a0c8 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Mon, 16 Nov 2009 12:57:53 +0000
Subject: [PATCH 1298/1815] net/can/mscan: add error path to mscan_open()

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/can/mscan/mscan.c | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/drivers/net/can/mscan/mscan.c b/drivers/net/can/mscan/mscan.c
index 263d1a9f088..bb06dfb58f2 100644
--- a/drivers/net/can/mscan/mscan.c
+++ b/drivers/net/can/mscan/mscan.c
@@ -542,10 +542,8 @@ static int mscan_open(struct net_device *dev)
 
 	ret = request_irq(dev->irq, mscan_isr, 0, dev->name, dev);
 	if (ret < 0) {
-		napi_disable(&priv->napi);
-		printk(KERN_ERR "%s - failed to attach interrupt\n",
-		       dev->name);
-		return ret;
+		dev_err(dev->dev.parent, "failed to attach interrupt\n");
+		goto exit_napi_disable;
 	}
 
 	priv->open_time = jiffies;
@@ -554,11 +552,19 @@ static int mscan_open(struct net_device *dev)
 
 	ret = mscan_start(dev);
 	if (ret)
-		return ret;
+		goto exit_free_irq;
 
 	netif_start_queue(dev);
 
 	return 0;
+
+exit_free_irq:
+	priv->open_time = 0;
+	free_irq(dev->irq, dev);
+exit_napi_disable:
+	napi_disable(&priv->napi);
+	close_candev(dev);
+	return ret;
 }
 
 static int mscan_close(struct net_device *dev)
-- 
GitLab


From 24cfbcbabf1faef396ee45b13b25c85d2d17b90d Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Tue, 17 Nov 2009 03:57:12 -0800
Subject: [PATCH 1299/1815] net/can/mscan: improve build

- move Kconfig entries to the subdirectory
- do remaining renames of mpc52xx to mpc5xxx

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/can/Kconfig                       | 19 +--------------
 drivers/net/can/mscan/Kconfig                 | 23 +++++++++++++++++++
 drivers/net/can/mscan/Makefile                |  4 ++--
 .../mscan/{mpc52xx_can.c => mpc5xxx_can.c}    |  0
 4 files changed, 26 insertions(+), 20 deletions(-)
 create mode 100644 drivers/net/can/mscan/Kconfig
 rename drivers/net/can/mscan/{mpc52xx_can.c => mpc5xxx_can.c} (100%)

diff --git a/drivers/net/can/Kconfig b/drivers/net/can/Kconfig
index 732b093e081..bb803fa1e6a 100644
--- a/drivers/net/can/Kconfig
+++ b/drivers/net/can/Kconfig
@@ -54,24 +54,7 @@ config CAN_MCP251X
 	---help---
 	  Driver for the Microchip MCP251x SPI CAN controllers.
 
-config CAN_MSCAN
-	depends on CAN_DEV && (PPC || M68K || M68KNOMMU)
-	tristate "Support for Freescale MSCAN based chips"
-	---help---
-	  The Motorola Scalable Controller Area Network (MSCAN) definition
-	  is based on the MSCAN12 definition which is the specific
-	  implementation of the Motorola Scalable CAN concept targeted for
-	  the Motorola MC68HC12 Microcontroller Family.
-
-config CAN_MPC52XX
-	tristate "Freescale MPC5xxx onboard CAN controller"
-	depends on CAN_MSCAN && PPC_MPC52xx
-	---help---
-	  If you say yes here you get support for Freescale's MPC52xx
-	  onboard dualCAN controller.
-
-	  This driver can also be built as a module.  If so, the module
-	  will be called mpc5xxx_can.
+source "drivers/net/can/mscan/Kconfig"
 
 source "drivers/net/can/sja1000/Kconfig"
 
diff --git a/drivers/net/can/mscan/Kconfig b/drivers/net/can/mscan/Kconfig
new file mode 100644
index 00000000000..cd0f2d6f375
--- /dev/null
+++ b/drivers/net/can/mscan/Kconfig
@@ -0,0 +1,23 @@
+config CAN_MSCAN
+	depends on CAN_DEV && (PPC || M68K || M68KNOMMU)
+	tristate "Support for Freescale MSCAN based chips"
+	---help---
+	  The Motorola Scalable Controller Area Network (MSCAN) definition
+	  is based on the MSCAN12 definition which is the specific
+	  implementation of the Motorola Scalable CAN concept targeted for
+	  the Motorola MC68HC12 Microcontroller Family.
+
+if CAN_MSCAN
+
+config CAN_MPC5XXX
+	tristate "Freescale MPC5xxx onboard CAN controller"
+	depends on PPC_MPC52xx
+	---help---
+	  If you say yes here you get support for Freescale's MPC5xxx
+	  onboard CAN controller.
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called mscan-mpc5xxx.ko.
+
+endif
+
diff --git a/drivers/net/can/mscan/Makefile b/drivers/net/can/mscan/Makefile
index 2bd9f04c790..c9fab17cd8b 100644
--- a/drivers/net/can/mscan/Makefile
+++ b/drivers/net/can/mscan/Makefile
@@ -1,5 +1,5 @@
 
-obj-$(CONFIG_CAN_MPC52XX)	+= mscan-mpc52xx.o
-mscan-mpc52xx-objs		:= mscan.o mpc52xx_can.o
+obj-$(CONFIG_CAN_MPC5XXX)	+= mscan-mpc5xxx.o
+mscan-mpc5xxx-objs		:= mscan.o mpc5xxx_can.o
 
 ccflags-$(CONFIG_CAN_DEBUG_DEVICES) := -DDEBUG
diff --git a/drivers/net/can/mscan/mpc52xx_can.c b/drivers/net/can/mscan/mpc5xxx_can.c
similarity index 100%
rename from drivers/net/can/mscan/mpc52xx_can.c
rename to drivers/net/can/mscan/mpc5xxx_can.c
-- 
GitLab


From 208f2037ae4a2f23fe5f232d25f4030b3a35c3ed Mon Sep 17 00:00:00 2001
From: fangxiaozhi <huananhu@huawei.com>
Date: Tue, 17 Nov 2009 04:02:24 -0800
Subject: [PATCH 1300/1815] net: PPP buffer too small for higher speed
 connections

1. This patch is based on the kernel of 2.6.32-rc7

2. In this patch, we enlarge the out buffer size to optimize the
   upload speed for the ppp connection. Then it can support the upload of
   HSUPA data cards.

Signed-off-by: fangxiaozhi <huananhu@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ppp_async.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ppp_async.c b/drivers/net/ppp_async.c
index 30b1b332676..c311fa6597f 100644
--- a/drivers/net/ppp_async.c
+++ b/drivers/net/ppp_async.c
@@ -36,7 +36,7 @@
 
 #define PPP_VERSION	"2.4.2"
 
-#define OBUFSIZE	256
+#define OBUFSIZE	4096
 
 /* Structure for storing local state. */
 struct asyncppp {
-- 
GitLab


From 54b9ddaa68414fad72ab2e1042be067c902441a6 Mon Sep 17 00:00:00 2001
From: Vladislav Zolotarov <vladz@broadcom.com>
Date: Mon, 16 Nov 2009 06:05:58 +0000
Subject: [PATCH 1301/1815] bnx2x: Handle Rx and Tx together in NAPI

Put Tx and Rx DPC to be handled in the NAPI:
  - Saves status blocks.
  - Moves the Tx work from hardIRQ to NAPI.

Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2x.h      |  21 +--
 drivers/net/bnx2x_main.c | 367 ++++++++++++++++-----------------------
 2 files changed, 157 insertions(+), 231 deletions(-)

diff --git a/drivers/net/bnx2x.h b/drivers/net/bnx2x.h
index 928942b74ce..602ab86b639 100644
--- a/drivers/net/bnx2x.h
+++ b/drivers/net/bnx2x.h
@@ -259,9 +259,6 @@ struct bnx2x_eth_q_stats {
 struct bnx2x_fastpath {
 
 	struct napi_struct	napi;
-
-	u8			is_rx_queue;
-
 	struct host_status_block *status_blk;
 	dma_addr_t		status_blk_mapping;
 
@@ -970,8 +967,7 @@ struct bnx2x {
 #define BNX2X_STATE_ERROR		0xf000
 
 	int			multi_mode;
-	int			num_rx_queues;
-	int			num_tx_queues;
+	int			num_queues;
 
 	u32			rx_mode;
 #define BNX2X_RX_MODE_NONE		0
@@ -1074,20 +1070,15 @@ struct bnx2x {
 };
 
 
-#define BNX2X_MAX_QUEUES(bp)	(IS_E1HMF(bp) ? (MAX_CONTEXT/(2 * E1HVN_MAX)) \
-					      : (MAX_CONTEXT/2))
-#define BNX2X_NUM_QUEUES(bp)	(bp->num_rx_queues + bp->num_tx_queues)
-#define is_multi(bp)		(BNX2X_NUM_QUEUES(bp) > 2)
+#define BNX2X_MAX_QUEUES(bp)	(IS_E1HMF(bp) ? (MAX_CONTEXT/E1HVN_MAX) \
+					      : MAX_CONTEXT)
+#define BNX2X_NUM_QUEUES(bp)	(bp->num_queues)
+#define is_multi(bp)		(BNX2X_NUM_QUEUES(bp) > 1)
 
-#define for_each_rx_queue(bp, var) \
-			for (var = 0; var < bp->num_rx_queues; var++)
-#define for_each_tx_queue(bp, var) \
-			for (var = bp->num_rx_queues; \
-			     var < BNX2X_NUM_QUEUES(bp); var++)
 #define for_each_queue(bp, var) \
 			for (var = 0; var < BNX2X_NUM_QUEUES(bp); var++)
 #define for_each_nondefault_queue(bp, var) \
-			for (var = 1; var < bp->num_rx_queues; var++)
+			for (var = 1; var < BNX2X_NUM_QUEUES(bp); var++)
 
 
 void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32);
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index e2cf686d111..bdecd42d2b2 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -57,7 +57,7 @@
 #include "bnx2x_init_ops.h"
 #include "bnx2x_dump.h"
 
-#define DRV_MODULE_VERSION	"1.52.1-4"
+#define DRV_MODULE_VERSION	"1.52.1-5"
 #define DRV_MODULE_RELDATE	"2009/11/09"
 #define BNX2X_BC_VER		0x040200
 
@@ -91,15 +91,10 @@ module_param(multi_mode, int, 0);
 MODULE_PARM_DESC(multi_mode, " Multi queue mode "
 			     "(0 Disable; 1 Enable (default))");
 
-static int num_rx_queues;
-module_param(num_rx_queues, int, 0);
-MODULE_PARM_DESC(num_rx_queues, " Number of Rx queues for multi_mode=1"
-				" (default is half number of CPUs)");
-
-static int num_tx_queues;
-module_param(num_tx_queues, int, 0);
-MODULE_PARM_DESC(num_tx_queues, " Number of Tx queues for multi_mode=1"
-				" (default is half number of CPUs)");
+static int num_queues;
+module_param(num_queues, int, 0);
+MODULE_PARM_DESC(num_queues, " Number of queues for multi_mode=1"
+				" (default is as a number of CPUs)");
 
 static int disable_tpa;
 module_param(disable_tpa, int, 0);
@@ -558,7 +553,7 @@ static void bnx2x_panic_dump(struct bnx2x *bp)
 		  bp->def_att_idx, bp->attn_state, bp->spq_prod_idx);
 
 	/* Rx */
-	for_each_rx_queue(bp, i) {
+	for_each_queue(bp, i) {
 		struct bnx2x_fastpath *fp = &bp->fp[i];
 
 		BNX2X_ERR("fp%d: rx_bd_prod(%x)  rx_bd_cons(%x)"
@@ -575,7 +570,7 @@ static void bnx2x_panic_dump(struct bnx2x *bp)
 	}
 
 	/* Tx */
-	for_each_tx_queue(bp, i) {
+	for_each_queue(bp, i) {
 		struct bnx2x_fastpath *fp = &bp->fp[i];
 
 		BNX2X_ERR("fp%d: tx_pkt_prod(%x)  tx_pkt_cons(%x)"
@@ -590,7 +585,7 @@ static void bnx2x_panic_dump(struct bnx2x *bp)
 
 	/* Rings */
 	/* Rx */
-	for_each_rx_queue(bp, i) {
+	for_each_queue(bp, i) {
 		struct bnx2x_fastpath *fp = &bp->fp[i];
 
 		start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
@@ -624,7 +619,7 @@ static void bnx2x_panic_dump(struct bnx2x *bp)
 	}
 
 	/* Tx */
-	for_each_tx_queue(bp, i) {
+	for_each_queue(bp, i) {
 		struct bnx2x_fastpath *fp = &bp->fp[i];
 
 		start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
@@ -792,21 +787,13 @@ static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 sb_id,
 	barrier();
 }
 
-static inline u16 bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp)
+static inline void bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp)
 {
 	struct host_status_block *fpsb = fp->status_blk;
-	u16 rc = 0;
 
 	barrier(); /* status block is written to by the chip */
-	if (fp->fp_c_idx != fpsb->c_status_block.status_block_index) {
-		fp->fp_c_idx = fpsb->c_status_block.status_block_index;
-		rc |= 1;
-	}
-	if (fp->fp_u_idx != fpsb->u_status_block.status_block_index) {
-		fp->fp_u_idx = fpsb->u_status_block.status_block_index;
-		rc |= 2;
-	}
-	return rc;
+	fp->fp_c_idx = fpsb->c_status_block.status_block_index;
+	fp->fp_u_idx = fpsb->u_status_block.status_block_index;
 }
 
 static u16 bnx2x_ack_int(struct bnx2x *bp)
@@ -846,6 +833,9 @@ static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp,
 	u16 bd_idx = TX_BD(tx_buf->first_bd), new_cons;
 	int nbd;
 
+	/* prefetch skb end pointer to speedup dev_kfree_skb() */
+	prefetch(&skb->end);
+
 	DP(BNX2X_MSG_OFF, "pkt_idx %d  buff @(%p)->skb %p\n",
 	   idx, tx_buf, skb);
 
@@ -890,7 +880,7 @@ static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp,
 
 	/* release skb */
 	WARN_ON(!skb);
-	dev_kfree_skb_any(skb);
+	dev_kfree_skb(skb);
 	tx_buf->first_bd = 0;
 	tx_buf->skb = NULL;
 
@@ -920,19 +910,28 @@ static inline u16 bnx2x_tx_avail(struct bnx2x_fastpath *fp)
 	return (s16)(fp->bp->tx_ring_size) - used;
 }
 
-static void bnx2x_tx_int(struct bnx2x_fastpath *fp)
+static inline int bnx2x_has_tx_work(struct bnx2x_fastpath *fp)
+{
+	u16 hw_cons;
+
+	/* Tell compiler that status block fields can change */
+	barrier();
+	hw_cons = le16_to_cpu(*fp->tx_cons_sb);
+	return hw_cons != fp->tx_pkt_cons;
+}
+
+static int bnx2x_tx_int(struct bnx2x_fastpath *fp)
 {
 	struct bnx2x *bp = fp->bp;
 	struct netdev_queue *txq;
 	u16 hw_cons, sw_cons, bd_cons = fp->tx_bd_cons;
-	int done = 0;
 
 #ifdef BNX2X_STOP_ON_ERROR
 	if (unlikely(bp->panic))
-		return;
+		return -1;
 #endif
 
-	txq = netdev_get_tx_queue(bp->dev, fp->index - bp->num_rx_queues);
+	txq = netdev_get_tx_queue(bp->dev, fp->index);
 	hw_cons = le16_to_cpu(*fp->tx_cons_sb);
 	sw_cons = fp->tx_pkt_cons;
 
@@ -953,7 +952,6 @@ static void bnx2x_tx_int(struct bnx2x_fastpath *fp)
 */
 		bd_cons = bnx2x_free_tx_pkt(bp, fp, pkt_cons);
 		sw_cons++;
-		done++;
 	}
 
 	fp->tx_pkt_cons = sw_cons;
@@ -975,6 +973,7 @@ static void bnx2x_tx_int(struct bnx2x_fastpath *fp)
 		    (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3))
 			netif_tx_wake_queue(txq);
 	}
+	return 0;
 }
 
 #ifdef BCM_CNIC
@@ -1561,6 +1560,8 @@ static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
 		} else {
 			rx_buf = &fp->rx_buf_ring[bd_cons];
 			skb = rx_buf->skb;
+			prefetch(skb);
+			prefetch((u8 *)skb + 256);
 			len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
 			pad = cqe->fast_path_cqe.placement_offset;
 
@@ -1742,27 +1743,13 @@ static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie)
 	if (unlikely(bp->panic))
 		return IRQ_HANDLED;
 #endif
-	/* Handle Rx or Tx according to MSI-X vector */
-	if (fp->is_rx_queue) {
-		prefetch(fp->rx_cons_sb);
-		prefetch(&fp->status_blk->u_status_block.status_block_index);
-
-		napi_schedule(&bnx2x_fp(bp, fp->index, napi));
-
-	} else {
-		prefetch(fp->tx_cons_sb);
-		prefetch(&fp->status_blk->c_status_block.status_block_index);
-
-		bnx2x_update_fpsb_idx(fp);
-		rmb();
-		bnx2x_tx_int(fp);
 
-		/* Re-enable interrupts */
-		bnx2x_ack_sb(bp, fp->sb_id, USTORM_ID,
-			     le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1);
-		bnx2x_ack_sb(bp, fp->sb_id, CSTORM_ID,
-			     le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1);
-	}
+	/* Handle Rx and Tx according to MSI-X vector */
+	prefetch(fp->rx_cons_sb);
+	prefetch(fp->tx_cons_sb);
+	prefetch(&fp->status_blk->u_status_block.status_block_index);
+	prefetch(&fp->status_blk->c_status_block.status_block_index);
+	napi_schedule(&bnx2x_fp(bp, fp->index, napi));
 
 	return IRQ_HANDLED;
 }
@@ -1797,31 +1784,14 @@ static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
 
 		mask = 0x2 << fp->sb_id;
 		if (status & mask) {
-			/* Handle Rx or Tx according to SB id */
-			if (fp->is_rx_queue) {
-				prefetch(fp->rx_cons_sb);
-				prefetch(&fp->status_blk->u_status_block.
-							status_block_index);
-
-				napi_schedule(&bnx2x_fp(bp, fp->index, napi));
-
-			} else {
-				prefetch(fp->tx_cons_sb);
-				prefetch(&fp->status_blk->c_status_block.
-							status_block_index);
-
-				bnx2x_update_fpsb_idx(fp);
-				rmb();
-				bnx2x_tx_int(fp);
-
-				/* Re-enable interrupts */
-				bnx2x_ack_sb(bp, fp->sb_id, USTORM_ID,
-					     le16_to_cpu(fp->fp_u_idx),
-					     IGU_INT_NOP, 1);
-				bnx2x_ack_sb(bp, fp->sb_id, CSTORM_ID,
-					     le16_to_cpu(fp->fp_c_idx),
-					     IGU_INT_ENABLE, 1);
-			}
+			/* Handle Rx and Tx according to SB id */
+			prefetch(fp->rx_cons_sb);
+			prefetch(&fp->status_blk->u_status_block.
+						status_block_index);
+			prefetch(fp->tx_cons_sb);
+			prefetch(&fp->status_blk->c_status_block.
+						status_block_index);
+			napi_schedule(&bnx2x_fp(bp, fp->index, napi));
 			status &= ~mask;
 		}
 	}
@@ -4027,7 +3997,7 @@ static int bnx2x_storm_stats_update(struct bnx2x *bp)
 	estats->no_buff_discard_hi = 0;
 	estats->no_buff_discard_lo = 0;
 
-	for_each_rx_queue(bp, i) {
+	for_each_queue(bp, i) {
 		struct bnx2x_fastpath *fp = &bp->fp[i];
 		int cl_id = fp->cl_id;
 		struct tstorm_per_client_stats *tclient =
@@ -4244,7 +4214,7 @@ static void bnx2x_net_stats_update(struct bnx2x *bp)
 	nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
 
 	nstats->rx_dropped = estats->mac_discard;
-	for_each_rx_queue(bp, i)
+	for_each_queue(bp, i)
 		nstats->rx_dropped +=
 			le32_to_cpu(bp->fp[i].old_tclient.checksum_discard);
 
@@ -4298,7 +4268,7 @@ static void bnx2x_drv_stats_update(struct bnx2x *bp)
 	estats->rx_err_discard_pkt = 0;
 	estats->rx_skb_alloc_failed = 0;
 	estats->hw_csum_err = 0;
-	for_each_rx_queue(bp, i) {
+	for_each_queue(bp, i) {
 		struct bnx2x_eth_q_stats *qstats = &bp->fp[i].eth_q_stats;
 
 		estats->driver_xoff += qstats->driver_xoff;
@@ -4329,7 +4299,7 @@ static void bnx2x_stats_update(struct bnx2x *bp)
 
 	if (bp->msglevel & NETIF_MSG_TIMER) {
 		struct bnx2x_fastpath *fp0_rx = bp->fp;
-		struct bnx2x_fastpath *fp0_tx = &(bp->fp[bp->num_rx_queues]);
+		struct bnx2x_fastpath *fp0_tx = bp->fp;
 		struct tstorm_per_client_stats *old_tclient =
 							&bp->fp->old_tclient;
 		struct bnx2x_eth_q_stats *qstats = &bp->fp->eth_q_stats;
@@ -4984,7 +4954,7 @@ static void bnx2x_init_rx_rings(struct bnx2x *bp)
 
 	if (bp->flags & TPA_ENABLE_FLAG) {
 
-		for_each_rx_queue(bp, j) {
+		for_each_queue(bp, j) {
 			struct bnx2x_fastpath *fp = &bp->fp[j];
 
 			for (i = 0; i < max_agg_queues; i++) {
@@ -5007,16 +4977,13 @@ static void bnx2x_init_rx_rings(struct bnx2x *bp)
 		}
 	}
 
-	for_each_rx_queue(bp, j) {
+	for_each_queue(bp, j) {
 		struct bnx2x_fastpath *fp = &bp->fp[j];
 
 		fp->rx_bd_cons = 0;
 		fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
 		fp->rx_bd_cons_sb = BNX2X_RX_SB_BD_INDEX;
 
-		/* Mark queue as Rx */
-		fp->is_rx_queue = 1;
-
 		/* "next page" elements initialization */
 		/* SGE ring */
 		for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
@@ -5122,7 +5089,7 @@ static void bnx2x_init_tx_ring(struct bnx2x *bp)
 {
 	int i, j;
 
-	for_each_tx_queue(bp, j) {
+	for_each_queue(bp, j) {
 		struct bnx2x_fastpath *fp = &bp->fp[j];
 
 		for (i = 1; i <= NUM_TX_RINGS; i++) {
@@ -5148,10 +5115,6 @@ static void bnx2x_init_tx_ring(struct bnx2x *bp)
 		fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
 		fp->tx_pkt = 0;
 	}
-
-	/* clean tx statistics */
-	for_each_rx_queue(bp, i)
-		bnx2x_fp(bp, i, tx_pkt) = 0;
 }
 
 static void bnx2x_init_sp_ring(struct bnx2x *bp)
@@ -5180,7 +5143,8 @@ static void bnx2x_init_context(struct bnx2x *bp)
 {
 	int i;
 
-	for_each_rx_queue(bp, i) {
+	/* Rx */
+	for_each_queue(bp, i) {
 		struct eth_context *context = bnx2x_sp(bp, context[i].eth);
 		struct bnx2x_fastpath *fp = &bp->fp[i];
 		u8 cl_id = fp->cl_id;
@@ -5232,10 +5196,11 @@ static void bnx2x_init_context(struct bnx2x *bp)
 					       ETH_CONNECTION_TYPE);
 	}
 
-	for_each_tx_queue(bp, i) {
+	/* Tx */
+	for_each_queue(bp, i) {
 		struct bnx2x_fastpath *fp = &bp->fp[i];
 		struct eth_context *context =
-			bnx2x_sp(bp, context[i - bp->num_rx_queues].eth);
+			bnx2x_sp(bp, context[i].eth);
 
 		context->cstorm_st_context.sb_index_number =
 						C_SB_ETH_TX_CQ_INDEX;
@@ -5263,7 +5228,7 @@ static void bnx2x_init_ind_table(struct bnx2x *bp)
 	for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
 		REG_WR8(bp, BAR_TSTRORM_INTMEM +
 			TSTORM_INDIRECTION_TABLE_OFFSET(func) + i,
-			bp->fp->cl_id + (i % bp->num_rx_queues));
+			bp->fp->cl_id + (i % bp->num_queues));
 }
 
 static void bnx2x_set_client_config(struct bnx2x *bp)
@@ -5507,7 +5472,7 @@ static void bnx2x_init_internal_func(struct bnx2x *bp)
 		min((u32)(min((u32)8, (u32)MAX_SKB_FRAGS) *
 			  SGE_PAGE_SIZE * PAGES_PER_SGE),
 		    (u32)0xffff);
-	for_each_rx_queue(bp, i) {
+	for_each_queue(bp, i) {
 		struct bnx2x_fastpath *fp = &bp->fp[i];
 
 		REG_WR(bp, BAR_USTRORM_INTMEM +
@@ -5542,7 +5507,7 @@ static void bnx2x_init_internal_func(struct bnx2x *bp)
 		rx_pause.cqe_thr_high = 350;
 		rx_pause.sge_thr_high = 0;
 
-		for_each_rx_queue(bp, i) {
+		for_each_queue(bp, i) {
 			struct bnx2x_fastpath *fp = &bp->fp[i];
 
 			if (!fp->disable_tpa) {
@@ -5637,9 +5602,6 @@ static void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
 #else
 		fp->sb_id = fp->cl_id;
 #endif
-		/* Suitable Rx and Tx SBs are served by the same client */
-		if (i >= bp->num_rx_queues)
-			fp->cl_id -= bp->num_rx_queues;
 		DP(NETIF_MSG_IFUP,
 		   "queue[%d]:  bnx2x_init_sb(%p,%p)  cl_id %d  sb %d\n",
 		   i, bp, fp->status_blk, fp->cl_id, fp->sb_id);
@@ -6749,7 +6711,7 @@ static void bnx2x_free_mem(struct bnx2x *bp)
 			       sizeof(struct host_status_block));
 	}
 	/* Rx */
-	for_each_rx_queue(bp, i) {
+	for_each_queue(bp, i) {
 
 		/* fastpath rx rings: rx_buf rx_desc rx_comp */
 		BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
@@ -6769,7 +6731,7 @@ static void bnx2x_free_mem(struct bnx2x *bp)
 			       BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
 	}
 	/* Tx */
-	for_each_tx_queue(bp, i) {
+	for_each_queue(bp, i) {
 
 		/* fastpath tx rings: tx_buf tx_desc */
 		BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
@@ -6831,7 +6793,7 @@ static int bnx2x_alloc_mem(struct bnx2x *bp)
 				sizeof(struct host_status_block));
 	}
 	/* Rx */
-	for_each_rx_queue(bp, i) {
+	for_each_queue(bp, i) {
 
 		/* fastpath rx rings: rx_buf rx_desc rx_comp */
 		BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
@@ -6853,7 +6815,7 @@ static int bnx2x_alloc_mem(struct bnx2x *bp)
 				BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
 	}
 	/* Tx */
-	for_each_tx_queue(bp, i) {
+	for_each_queue(bp, i) {
 
 		/* fastpath tx rings: tx_buf tx_desc */
 		BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
@@ -6909,7 +6871,7 @@ static void bnx2x_free_tx_skbs(struct bnx2x *bp)
 {
 	int i;
 
-	for_each_tx_queue(bp, i) {
+	for_each_queue(bp, i) {
 		struct bnx2x_fastpath *fp = &bp->fp[i];
 
 		u16 bd_cons = fp->tx_bd_cons;
@@ -6927,7 +6889,7 @@ static void bnx2x_free_rx_skbs(struct bnx2x *bp)
 {
 	int i, j;
 
-	for_each_rx_queue(bp, j) {
+	for_each_queue(bp, j) {
 		struct bnx2x_fastpath *fp = &bp->fp[j];
 
 		for (i = 0; i < NUM_RX_BD; i++) {
@@ -7042,12 +7004,8 @@ static int bnx2x_req_msix_irqs(struct bnx2x *bp)
 #endif
 	for_each_queue(bp, i) {
 		struct bnx2x_fastpath *fp = &bp->fp[i];
-
-		if (i < bp->num_rx_queues)
-			sprintf(fp->name, "%s-rx-%d", bp->dev->name, i);
-		else
-			sprintf(fp->name, "%s-tx-%d",
-				bp->dev->name, i - bp->num_rx_queues);
+		snprintf(fp->name, sizeof(fp->name), "%s-fp-%d",
+			 bp->dev->name, i);
 
 		rc = request_irq(bp->msix_table[i + offset].vector,
 				 bnx2x_msix_fp_int, 0, fp->name, fp);
@@ -7106,7 +7064,7 @@ static void bnx2x_napi_enable(struct bnx2x *bp)
 {
 	int i;
 
-	for_each_rx_queue(bp, i)
+	for_each_queue(bp, i)
 		napi_enable(&bnx2x_fp(bp, i, napi));
 }
 
@@ -7114,7 +7072,7 @@ static void bnx2x_napi_disable(struct bnx2x *bp)
 {
 	int i;
 
-	for_each_rx_queue(bp, i)
+	for_each_queue(bp, i)
 		napi_disable(&bnx2x_fp(bp, i, napi));
 }
 
@@ -7410,88 +7368,60 @@ static int bnx2x_setup_multi(struct bnx2x *bp, int index)
 
 static int bnx2x_poll(struct napi_struct *napi, int budget);
 
-static void bnx2x_set_int_mode_msix(struct bnx2x *bp, int *num_rx_queues_out,
-				    int *num_tx_queues_out)
+static void bnx2x_set_num_queues_msix(struct bnx2x *bp)
 {
-	int _num_rx_queues = 0, _num_tx_queues = 0;
 
 	switch (bp->multi_mode) {
 	case ETH_RSS_MODE_DISABLED:
-		_num_rx_queues = 1;
-		_num_tx_queues = 1;
+		bp->num_queues = 1;
 		break;
 
 	case ETH_RSS_MODE_REGULAR:
-		if (num_rx_queues)
-			_num_rx_queues = min_t(u32, num_rx_queues,
-					       BNX2X_MAX_QUEUES(bp));
-		else
-			_num_rx_queues = min_t(u32, num_online_cpus(),
-					       BNX2X_MAX_QUEUES(bp));
-
-		if (num_tx_queues)
-			_num_tx_queues = min_t(u32, num_tx_queues,
-					       BNX2X_MAX_QUEUES(bp));
+		if (num_queues)
+			bp->num_queues = min_t(u32, num_queues,
+						  BNX2X_MAX_QUEUES(bp));
 		else
-			_num_tx_queues = min_t(u32, num_online_cpus(),
-					       BNX2X_MAX_QUEUES(bp));
-
-		/* There must be not more Tx queues than Rx queues */
-		if (_num_tx_queues > _num_rx_queues) {
-			BNX2X_ERR("number of tx queues (%d) > "
-				  "number of rx queues (%d)"
-				  "  defaulting to %d\n",
-				  _num_tx_queues, _num_rx_queues,
-				  _num_rx_queues);
-			_num_tx_queues = _num_rx_queues;
-		}
+			bp->num_queues = min_t(u32, num_online_cpus(),
+						  BNX2X_MAX_QUEUES(bp));
 		break;
 
 
 	default:
-		_num_rx_queues = 1;
-		_num_tx_queues = 1;
+		bp->num_queues = 1;
 		break;
 	}
-
-	*num_rx_queues_out = _num_rx_queues;
-	*num_tx_queues_out = _num_tx_queues;
 }
 
-static int bnx2x_set_int_mode(struct bnx2x *bp)
+static int bnx2x_set_num_queues(struct bnx2x *bp)
 {
 	int rc = 0;
 
 	switch (int_mode) {
 	case INT_MODE_INTx:
 	case INT_MODE_MSI:
-		bp->num_rx_queues = 1;
-		bp->num_tx_queues = 1;
+		bp->num_queues = 1;
 		DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
 		break;
 
 	case INT_MODE_MSIX:
 	default:
-		/* Set interrupt mode according to bp->multi_mode value */
-		bnx2x_set_int_mode_msix(bp, &bp->num_rx_queues,
-					&bp->num_tx_queues);
+		/* Set number of queues according to bp->multi_mode value */
+		bnx2x_set_num_queues_msix(bp);
 
-		DP(NETIF_MSG_IFUP, "set number of queues to: rx %d tx %d\n",
-		   bp->num_rx_queues, bp->num_tx_queues);
+		DP(NETIF_MSG_IFUP, "set number of queues to %d\n",
+		   bp->num_queues);
 
 		/* if we can't use MSI-X we only need one fp,
 		 * so try to enable MSI-X with the requested number of fp's
 		 * and fallback to MSI or legacy INTx with one fp
 		 */
 		rc = bnx2x_enable_msix(bp);
-		if (rc) {
+		if (rc)
 			/* failed to enable MSI-X */
-			bp->num_rx_queues = 1;
-			bp->num_tx_queues = 1;
-		}
+			bp->num_queues = 1;
 		break;
 	}
-	bp->dev->real_num_tx_queues = bp->num_tx_queues;
+	bp->dev->real_num_tx_queues = bp->num_queues;
 	return rc;
 }
 
@@ -7513,16 +7443,16 @@ static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
 
 	bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD;
 
-	rc = bnx2x_set_int_mode(bp);
+	rc = bnx2x_set_num_queues(bp);
 
 	if (bnx2x_alloc_mem(bp))
 		return -ENOMEM;
 
-	for_each_rx_queue(bp, i)
+	for_each_queue(bp, i)
 		bnx2x_fp(bp, i, disable_tpa) =
 					((bp->flags & TPA_ENABLE_FLAG) == 0);
 
-	for_each_rx_queue(bp, i)
+	for_each_queue(bp, i)
 		netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
 			       bnx2x_poll, 128);
 
@@ -7536,7 +7466,7 @@ static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
 		}
 	} else {
 		/* Fall to INTx if failed to enable MSI-X due to lack of
-		   memory (in bnx2x_set_int_mode()) */
+		   memory (in bnx2x_set_num_queues()) */
 		if ((rc != -ENOMEM) && (int_mode != INT_MODE_INTx))
 			bnx2x_enable_msi(bp);
 		bnx2x_ack_int(bp);
@@ -7730,14 +7660,14 @@ load_error3:
 	bp->port.pmf = 0;
 	/* Free SKBs, SGEs, TPA pool and driver internals */
 	bnx2x_free_skbs(bp);
-	for_each_rx_queue(bp, i)
+	for_each_queue(bp, i)
 		bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
 load_error2:
 	/* Release IRQs */
 	bnx2x_free_irq(bp);
 load_error1:
 	bnx2x_napi_disable(bp);
-	for_each_rx_queue(bp, i)
+	for_each_queue(bp, i)
 		netif_napi_del(&bnx2x_fp(bp, i, napi));
 	bnx2x_free_mem(bp);
 
@@ -7928,7 +7858,7 @@ static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
 	bnx2x_free_irq(bp);
 
 	/* Wait until tx fastpath tasks complete */
-	for_each_tx_queue(bp, i) {
+	for_each_queue(bp, i) {
 		struct bnx2x_fastpath *fp = &bp->fp[i];
 
 		cnt = 1000;
@@ -8071,9 +8001,9 @@ unload_error:
 
 	/* Free SKBs, SGEs, TPA pool and driver internals */
 	bnx2x_free_skbs(bp);
-	for_each_rx_queue(bp, i)
+	for_each_queue(bp, i)
 		bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
-	for_each_rx_queue(bp, i)
+	for_each_queue(bp, i)
 		netif_napi_del(&bnx2x_fp(bp, i, napi));
 	bnx2x_free_mem(bp);
 
@@ -10269,7 +10199,7 @@ static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
 	struct sk_buff *skb;
 	unsigned char *packet;
 	struct bnx2x_fastpath *fp_rx = &bp->fp[0];
-	struct bnx2x_fastpath *fp_tx = &bp->fp[bp->num_rx_queues];
+	struct bnx2x_fastpath *fp_tx = &bp->fp[0];
 	u16 tx_start_idx, tx_idx;
 	u16 rx_start_idx, rx_idx;
 	u16 pkt_prod, bd_prod;
@@ -10346,7 +10276,7 @@ static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
 
 	fp_tx->tx_db.data.prod += 2;
 	barrier();
-	DOORBELL(bp, fp_tx->index - bp->num_rx_queues, fp_tx->tx_db.raw);
+	DOORBELL(bp, fp_tx->index, fp_tx->tx_db.raw);
 
 	mmiowb();
 
@@ -10725,7 +10655,7 @@ static int bnx2x_get_sset_count(struct net_device *dev, int stringset)
 	switch(stringset) {
 	case ETH_SS_STATS:
 		if (is_multi(bp)) {
-			num_stats = BNX2X_NUM_Q_STATS * bp->num_rx_queues;
+			num_stats = BNX2X_NUM_Q_STATS * bp->num_queues;
 			if (!IS_E1HMF_MODE_STAT(bp))
 				num_stats += BNX2X_NUM_STATS;
 		} else {
@@ -10756,7 +10686,7 @@ static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
 	case ETH_SS_STATS:
 		if (is_multi(bp)) {
 			k = 0;
-			for_each_rx_queue(bp, i) {
+			for_each_queue(bp, i) {
 				for (j = 0; j < BNX2X_NUM_Q_STATS; j++)
 					sprintf(buf + (k + j)*ETH_GSTRING_LEN,
 						bnx2x_q_stats_arr[j].string, i);
@@ -10793,7 +10723,7 @@ static void bnx2x_get_ethtool_stats(struct net_device *dev,
 
 	if (is_multi(bp)) {
 		k = 0;
-		for_each_rx_queue(bp, i) {
+		for_each_queue(bp, i) {
 			hw_stats = (u32 *)&bp->fp[i].eth_q_stats;
 			for (j = 0; j < BNX2X_NUM_Q_STATS; j++) {
 				if (bnx2x_q_stats_arr[j].size == 0) {
@@ -10989,54 +10919,60 @@ static inline int bnx2x_has_rx_work(struct bnx2x_fastpath *fp)
 
 static int bnx2x_poll(struct napi_struct *napi, int budget)
 {
+	int work_done = 0;
 	struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath,
 						 napi);
 	struct bnx2x *bp = fp->bp;
-	int work_done = 0;
 
+	while (1) {
 #ifdef BNX2X_STOP_ON_ERROR
-	if (unlikely(bp->panic))
-		goto poll_panic;
+		if (unlikely(bp->panic)) {
+			napi_complete(napi);
+			return 0;
+		}
 #endif
 
-	prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb);
-	prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256);
-
-	bnx2x_update_fpsb_idx(fp);
-
-	if (bnx2x_has_rx_work(fp)) {
-		work_done = bnx2x_rx_int(fp, budget);
+		if (bnx2x_has_tx_work(fp))
+			bnx2x_tx_int(fp);
 
-		/* must not complete if we consumed full budget */
-		if (work_done >= budget)
-			goto poll_again;
-	}
+		if (bnx2x_has_rx_work(fp)) {
+			work_done += bnx2x_rx_int(fp, budget - work_done);
 
-	/* bnx2x_has_rx_work() reads the status block, thus we need to
-	 * ensure that status block indices have been actually read
-	 * (bnx2x_update_fpsb_idx) prior to this check (bnx2x_has_rx_work)
-	 * so that we won't write the "newer" value of the status block to IGU
-	 * (if there was a DMA right after bnx2x_has_rx_work and
-	 * if there is no rmb, the memory reading (bnx2x_update_fpsb_idx)
-	 * may be postponed to right before bnx2x_ack_sb). In this case
-	 * there will never be another interrupt until there is another update
-	 * of the status block, while there is still unhandled work.
-	 */
-	rmb();
+			/* must not complete if we consumed full budget */
+			if (work_done >= budget)
+				break;
+		}
 
-	if (!bnx2x_has_rx_work(fp)) {
-#ifdef BNX2X_STOP_ON_ERROR
-poll_panic:
-#endif
-		napi_complete(napi);
+		/* Fall out from the NAPI loop if needed */
+		if (!(bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp))) {
+			bnx2x_update_fpsb_idx(fp);
+		/* bnx2x_has_rx_work() reads the status block, thus we need
+		 * to ensure that status block indices have been actually read
+		 * (bnx2x_update_fpsb_idx) prior to this check
+		 * (bnx2x_has_rx_work) so that we won't write the "newer"
+		 * value of the status block to IGU (if there was a DMA right
+		 * after bnx2x_has_rx_work and if there is no rmb, the memory
+		 * reading (bnx2x_update_fpsb_idx) may be postponed to right
+		 * before bnx2x_ack_sb). In this case there will never be
+		 * another interrupt until there is another update of the
+		 * status block, while there is still unhandled work.
+		 */
+			rmb();
 
-		bnx2x_ack_sb(bp, fp->sb_id, USTORM_ID,
-			     le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1);
-		bnx2x_ack_sb(bp, fp->sb_id, CSTORM_ID,
-			     le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1);
+			if (!(bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp))) {
+				napi_complete(napi);
+				/* Re-enable interrupts */
+				bnx2x_ack_sb(bp, fp->sb_id, CSTORM_ID,
+					     le16_to_cpu(fp->fp_c_idx),
+					     IGU_INT_NOP, 1);
+				bnx2x_ack_sb(bp, fp->sb_id, USTORM_ID,
+					     le16_to_cpu(fp->fp_u_idx),
+					     IGU_INT_ENABLE, 1);
+				break;
+			}
+		}
 	}
 
-poll_again:
 	return work_done;
 }
 
@@ -11221,7 +11157,7 @@ exit_lbl:
 static netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	struct bnx2x *bp = netdev_priv(dev);
-	struct bnx2x_fastpath *fp, *fp_stat;
+	struct bnx2x_fastpath *fp;
 	struct netdev_queue *txq;
 	struct sw_tx_bd *tx_buf;
 	struct eth_tx_start_bd *tx_start_bd;
@@ -11243,11 +11179,10 @@ static netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	fp_index = skb_get_queue_mapping(skb);
 	txq = netdev_get_tx_queue(dev, fp_index);
 
-	fp = &bp->fp[fp_index + bp->num_rx_queues];
-	fp_stat = &bp->fp[fp_index];
+	fp = &bp->fp[fp_index];
 
 	if (unlikely(bnx2x_tx_avail(fp) < (skb_shinfo(skb)->nr_frags + 3))) {
-		fp_stat->eth_q_stats.driver_xoff++;
+		fp->eth_q_stats.driver_xoff++;
 		netif_tx_stop_queue(txq);
 		BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
 		return NETDEV_TX_BUSY;
@@ -11473,7 +11408,7 @@ static netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
 	fp->tx_db.data.prod += nbd;
 	barrier();
-	DOORBELL(bp, fp->index - bp->num_rx_queues, fp->tx_db.raw);
+	DOORBELL(bp, fp->index, fp->tx_db.raw);
 
 	mmiowb();
 
@@ -11484,11 +11419,11 @@ static netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
 		/* We want bnx2x_tx_int to "see" the updated tx_bd_prod
 		   if we put Tx into XOFF state. */
 		smp_mb();
-		fp_stat->eth_q_stats.driver_xoff++;
+		fp->eth_q_stats.driver_xoff++;
 		if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)
 			netif_tx_wake_queue(txq);
 	}
-	fp_stat->tx_pkt++;
+	fp->tx_pkt++;
 
 	return NETDEV_TX_OK;
 }
@@ -12376,9 +12311,9 @@ static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
 
 	/* Free SKBs, SGEs, TPA pool and driver internals */
 	bnx2x_free_skbs(bp);
-	for_each_rx_queue(bp, i)
+	for_each_queue(bp, i)
 		bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
-	for_each_rx_queue(bp, i)
+	for_each_queue(bp, i)
 		netif_napi_del(&bnx2x_fp(bp, i, napi));
 	bnx2x_free_mem(bp);
 
-- 
GitLab


From 649300b9278dc9fc9c7dfaaa3719ead70882e726 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Mon, 16 Nov 2009 12:05:34 +0000
Subject: [PATCH 1302/1815] netlink: remove subscriptions check on notifier

The netlink URELEASE notifier doesn't notify for
sockets that have been used to receive multicast
but it should be called for such sockets as well
since they might _also_ be used for sending and
not solely for receiving multicast. We will need
that for nl80211 (generic netlink sockets) in the
future.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Cc: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/netlink/af_netlink.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index f30d596dbc5..eff5b0ddc5c 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -498,7 +498,7 @@ static int netlink_release(struct socket *sock)
 
 	skb_queue_purge(&sk->sk_write_queue);
 
-	if (nlk->pid && !nlk->subscriptions) {
+	if (nlk->pid) {
 		struct netlink_notify n = {
 						.net = sock_net(sk),
 						.protocol = sk->sk_protocol,
-- 
GitLab


From 115924b6bdc7cc6bf7da5b933b09281e1f4e17a9 Mon Sep 17 00:00:00 2001
From: Shreyas Bhatewara <sbhatewara@vmware.com>
Date: Mon, 16 Nov 2009 13:41:33 +0000
Subject: [PATCH 1303/1815] net: Getting rid of the x86 dependency to built
 vmxnet3

This patch removes config dependency on x86 to build vmxnet3 driver. Thus
the driver can be built on big endian architectures now. Although vmxnet3
is not supported on VMs other than x86 architecture, all this code goes in
to ensure correctness. If the code is not dependent on x86, it should not
assume little endian architecture in any of its operations.

Signed-off-by: Shreyas Bhatewara <sbhatewara@vmware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/Kconfig                   |   2 +-
 drivers/net/vmxnet3/vmxnet3_defs.h    | 246 ++++++++++++------
 drivers/net/vmxnet3/vmxnet3_drv.c     | 357 ++++++++++++++++++--------
 drivers/net/vmxnet3/vmxnet3_ethtool.c |  10 +-
 drivers/net/vmxnet3/vmxnet3_int.h     |  12 +-
 5 files changed, 439 insertions(+), 188 deletions(-)

diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index e012c2e0825..6399abbdad6 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -3235,7 +3235,7 @@ config VIRTIO_NET
 
 config VMXNET3
        tristate "VMware VMXNET3 ethernet driver"
-       depends on PCI && X86 && INET
+       depends on PCI && INET
        help
          This driver supports VMware's vmxnet3 virtual ethernet NIC.
          To compile this driver as a module, choose M here: the
diff --git a/drivers/net/vmxnet3/vmxnet3_defs.h b/drivers/net/vmxnet3/vmxnet3_defs.h
index dc8ee4438a4..b4889e6c4a5 100644
--- a/drivers/net/vmxnet3/vmxnet3_defs.h
+++ b/drivers/net/vmxnet3/vmxnet3_defs.h
@@ -90,23 +90,60 @@ enum {
 	VMXNET3_CMD_GET_CONF_INTR
 };
 
-struct Vmxnet3_TxDesc {
-	u64		addr;
+/*
+ *	Little Endian layout of bitfields -
+ *	Byte 0 :	7.....len.....0
+ *	Byte 1 :	rsvd gen 13.len.8
+ *	Byte 2 : 	5.msscof.0 ext1  dtype
+ *	Byte 3 : 	13...msscof...6
+ *
+ *	Big Endian layout of bitfields -
+ *	Byte 0:		13...msscof...6
+ *	Byte 1 : 	5.msscof.0 ext1  dtype
+ *	Byte 2 :	rsvd gen 13.len.8
+ *	Byte 3 :	7.....len.....0
+ *
+ *	Thus, le32_to_cpu on the dword will allow the big endian driver to read
+ *	the bit fields correctly. And cpu_to_le32 will convert bitfields
+ *	bit fields written by big endian driver to format required by device.
+ */
 
-	u32		len:14;
-	u32		gen:1;      /* generation bit */
-	u32		rsvd:1;
-	u32		dtype:1;    /* descriptor type */
-	u32		ext1:1;
-	u32		msscof:14;  /* MSS, checksum offset, flags */
-
-	u32		hlen:10;    /* header len */
-	u32		om:2;       /* offload mode */
-	u32		eop:1;      /* End Of Packet */
-	u32		cq:1;       /* completion request */
-	u32		ext2:1;
-	u32		ti:1;       /* VLAN Tag Insertion */
-	u32		tci:16;     /* Tag to Insert */
+struct Vmxnet3_TxDesc {
+	__le64 addr;
+
+#ifdef __BIG_ENDIAN_BITFIELD
+	u32 msscof:14;  /* MSS, checksum offset, flags */
+	u32 ext1:1;
+	u32 dtype:1;    /* descriptor type */
+	u32 rsvd:1;
+	u32 gen:1;      /* generation bit */
+	u32 len:14;
+#else
+	u32 len:14;
+	u32 gen:1;      /* generation bit */
+	u32 rsvd:1;
+	u32 dtype:1;    /* descriptor type */
+	u32 ext1:1;
+	u32 msscof:14;  /* MSS, checksum offset, flags */
+#endif  /* __BIG_ENDIAN_BITFIELD */
+
+#ifdef __BIG_ENDIAN_BITFIELD
+	u32 tci:16;     /* Tag to Insert */
+	u32 ti:1;       /* VLAN Tag Insertion */
+	u32 ext2:1;
+	u32 cq:1;       /* completion request */
+	u32 eop:1;      /* End Of Packet */
+	u32 om:2;       /* offload mode */
+	u32 hlen:10;    /* header len */
+#else
+	u32 hlen:10;    /* header len */
+	u32 om:2;       /* offload mode */
+	u32 eop:1;      /* End Of Packet */
+	u32 cq:1;       /* completion request */
+	u32 ext2:1;
+	u32 ti:1;       /* VLAN Tag Insertion */
+	u32 tci:16;     /* Tag to Insert */
+#endif  /* __BIG_ENDIAN_BITFIELD */
 };
 
 /* TxDesc.OM values */
@@ -118,6 +155,8 @@ struct Vmxnet3_TxDesc {
 #define VMXNET3_TXD_EOP_SHIFT	12
 #define VMXNET3_TXD_CQ_SHIFT	13
 #define VMXNET3_TXD_GEN_SHIFT	14
+#define VMXNET3_TXD_EOP_DWORD_SHIFT 3
+#define VMXNET3_TXD_GEN_DWORD_SHIFT 2
 
 #define VMXNET3_TXD_CQ		(1 << VMXNET3_TXD_CQ_SHIFT)
 #define VMXNET3_TXD_EOP		(1 << VMXNET3_TXD_EOP_SHIFT)
@@ -130,29 +169,40 @@ struct Vmxnet3_TxDataDesc {
 	u8		data[VMXNET3_HDR_COPY_SIZE];
 };
 
+#define VMXNET3_TCD_GEN_SHIFT	31
+#define VMXNET3_TCD_GEN_SIZE	1
+#define VMXNET3_TCD_TXIDX_SHIFT	0
+#define VMXNET3_TCD_TXIDX_SIZE	12
+#define VMXNET3_TCD_GEN_DWORD_SHIFT	3
 
 struct Vmxnet3_TxCompDesc {
 	u32		txdIdx:12;    /* Index of the EOP TxDesc */
 	u32		ext1:20;
 
-	u32		ext2;
-	u32		ext3;
+	__le32		ext2;
+	__le32		ext3;
 
 	u32		rsvd:24;
 	u32		type:7;       /* completion type */
 	u32		gen:1;        /* generation bit */
 };
 
-
 struct Vmxnet3_RxDesc {
-	u64		addr;
+	__le64		addr;
 
+#ifdef __BIG_ENDIAN_BITFIELD
+	u32		gen:1;        /* Generation bit */
+	u32		rsvd:15;
+	u32		dtype:1;      /* Descriptor type */
+	u32		btype:1;      /* Buffer Type */
+	u32		len:14;
+#else
 	u32		len:14;
 	u32		btype:1;      /* Buffer Type */
 	u32		dtype:1;      /* Descriptor type */
 	u32		rsvd:15;
 	u32		gen:1;        /* Generation bit */
-
+#endif
 	u32		ext1;
 };
 
@@ -164,8 +214,17 @@ struct Vmxnet3_RxDesc {
 #define VMXNET3_RXD_BTYPE_SHIFT  14
 #define VMXNET3_RXD_GEN_SHIFT    31
 
-
 struct Vmxnet3_RxCompDesc {
+#ifdef __BIG_ENDIAN_BITFIELD
+	u32		ext2:1;
+	u32		cnc:1;        /* Checksum Not Calculated */
+	u32		rssType:4;    /* RSS hash type used */
+	u32		rqID:10;      /* rx queue/ring ID */
+	u32		sop:1;        /* Start of Packet */
+	u32		eop:1;        /* End of Packet */
+	u32		ext1:2;
+	u32		rxdIdx:12;    /* Index of the RxDesc */
+#else
 	u32		rxdIdx:12;    /* Index of the RxDesc */
 	u32		ext1:2;
 	u32		eop:1;        /* End of Packet */
@@ -174,14 +233,36 @@ struct Vmxnet3_RxCompDesc {
 	u32		rssType:4;    /* RSS hash type used */
 	u32		cnc:1;        /* Checksum Not Calculated */
 	u32		ext2:1;
+#endif  /* __BIG_ENDIAN_BITFIELD */
 
-	u32		rssHash;      /* RSS hash value */
+	__le32		rssHash;      /* RSS hash value */
 
+#ifdef __BIG_ENDIAN_BITFIELD
+	u32		tci:16;       /* Tag stripped */
+	u32		ts:1;         /* Tag is stripped */
+	u32		err:1;        /* Error */
+	u32		len:14;       /* data length */
+#else
 	u32		len:14;       /* data length */
 	u32		err:1;        /* Error */
 	u32		ts:1;         /* Tag is stripped */
 	u32		tci:16;       /* Tag stripped */
+#endif  /* __BIG_ENDIAN_BITFIELD */
+
 
+#ifdef __BIG_ENDIAN_BITFIELD
+	u32		gen:1;        /* generation bit */
+	u32		type:7;       /* completion type */
+	u32		fcs:1;        /* Frame CRC correct */
+	u32		frg:1;        /* IP Fragment */
+	u32		v4:1;         /* IPv4 */
+	u32		v6:1;         /* IPv6 */
+	u32		ipc:1;        /* IP Checksum Correct */
+	u32		tcp:1;        /* TCP packet */
+	u32		udp:1;        /* UDP packet */
+	u32		tuc:1;        /* TCP/UDP Checksum Correct */
+	u32		csum:16;
+#else
 	u32		csum:16;
 	u32		tuc:1;        /* TCP/UDP Checksum Correct */
 	u32		udp:1;        /* UDP packet */
@@ -193,6 +274,7 @@ struct Vmxnet3_RxCompDesc {
 	u32		fcs:1;        /* Frame CRC correct */
 	u32		type:7;       /* completion type */
 	u32		gen:1;        /* generation bit */
+#endif  /* __BIG_ENDIAN_BITFIELD */
 };
 
 /* fields in RxCompDesc we access via Vmxnet3_GenericDesc.dword[3] */
@@ -206,6 +288,8 @@ struct Vmxnet3_RxCompDesc {
 /* csum OK for TCP/UDP pkts over IP */
 #define VMXNET3_RCD_CSUM_OK (1 << VMXNET3_RCD_TUC_SHIFT | \
 			     1 << VMXNET3_RCD_IPC_SHIFT)
+#define VMXNET3_TXD_GEN_SIZE 1
+#define VMXNET3_TXD_EOP_SIZE 1
 
 /* value of RxCompDesc.rssType */
 enum {
@@ -219,9 +303,9 @@ enum {
 
 /* a union for accessing all cmd/completion descriptors */
 union Vmxnet3_GenericDesc {
-	u64				qword[2];
-	u32				dword[4];
-	u16				word[8];
+	__le64				qword[2];
+	__le32				dword[4];
+	__le16				word[8];
 	struct Vmxnet3_TxDesc		txd;
 	struct Vmxnet3_RxDesc		rxd;
 	struct Vmxnet3_TxCompDesc	tcd;
@@ -287,18 +371,24 @@ enum {
 
 
 struct Vmxnet3_GOSInfo {
-	u32				gosBits:2;	/* 32-bit or 64-bit? */
-	u32				gosType:4;   /* which guest */
-	u32				gosVer:16;   /* gos version */
-	u32				gosMisc:10;  /* other info about gos */
+#ifdef __BIG_ENDIAN_BITFIELD
+	u32		gosMisc:10;    /* other info about gos */
+	u32		gosVer:16;     /* gos version */
+	u32		gosType:4;     /* which guest */
+	u32		gosBits:2;    /* 32-bit or 64-bit? */
+#else
+	u32		gosBits:2;     /* 32-bit or 64-bit? */
+	u32		gosType:4;     /* which guest */
+	u32		gosVer:16;     /* gos version */
+	u32		gosMisc:10;    /* other info about gos */
+#endif  /* __BIG_ENDIAN_BITFIELD */
 };
 
-
 struct Vmxnet3_DriverInfo {
-	u32				version;
+	__le32				version;
 	struct Vmxnet3_GOSInfo		gos;
-	u32				vmxnet3RevSpt;
-	u32				uptVerSpt;
+	__le32				vmxnet3RevSpt;
+	__le32				uptVerSpt;
 };
 
 
@@ -315,42 +405,42 @@ struct Vmxnet3_DriverInfo {
 
 struct Vmxnet3_MiscConf {
 	struct Vmxnet3_DriverInfo driverInfo;
-	u64		uptFeatures;
-	u64		ddPA;         /* driver data PA */
-	u64		queueDescPA;  /* queue descriptor table PA */
-	u32		ddLen;        /* driver data len */
-	u32		queueDescLen; /* queue desc. table len in bytes */
-	u32		mtu;
-	u16		maxNumRxSG;
+	__le64		uptFeatures;
+	__le64		ddPA;         /* driver data PA */
+	__le64		queueDescPA;  /* queue descriptor table PA */
+	__le32		ddLen;        /* driver data len */
+	__le32		queueDescLen; /* queue desc. table len in bytes */
+	__le32		mtu;
+	__le16		maxNumRxSG;
 	u8		numTxQueues;
 	u8		numRxQueues;
-	u32		reserved[4];
+	__le32		reserved[4];
 };
 
 
 struct Vmxnet3_TxQueueConf {
-	u64		txRingBasePA;
-	u64		dataRingBasePA;
-	u64		compRingBasePA;
-	u64		ddPA;         /* driver data */
-	u64		reserved;
-	u32		txRingSize;   /* # of tx desc */
-	u32		dataRingSize; /* # of data desc */
-	u32		compRingSize; /* # of comp desc */
-	u32		ddLen;        /* size of driver data */
+	__le64		txRingBasePA;
+	__le64		dataRingBasePA;
+	__le64		compRingBasePA;
+	__le64		ddPA;         /* driver data */
+	__le64		reserved;
+	__le32		txRingSize;   /* # of tx desc */
+	__le32		dataRingSize; /* # of data desc */
+	__le32		compRingSize; /* # of comp desc */
+	__le32		ddLen;        /* size of driver data */
 	u8		intrIdx;
 	u8		_pad[7];
 };
 
 
 struct Vmxnet3_RxQueueConf {
-	u64		rxRingBasePA[2];
-	u64		compRingBasePA;
-	u64		ddPA;            /* driver data */
-	u64		reserved;
-	u32		rxRingSize[2];   /* # of rx desc */
-	u32		compRingSize;    /* # of rx comp desc */
-	u32		ddLen;           /* size of driver data */
+	__le64		rxRingBasePA[2];
+	__le64		compRingBasePA;
+	__le64		ddPA;            /* driver data */
+	__le64		reserved;
+	__le32		rxRingSize[2];   /* # of rx desc */
+	__le32		compRingSize;    /* # of rx comp desc */
+	__le32		ddLen;           /* size of driver data */
 	u8		intrIdx;
 	u8		_pad[7];
 };
@@ -381,7 +471,7 @@ struct Vmxnet3_IntrConf {
 	u8		eventIntrIdx;
 	u8		modLevels[VMXNET3_MAX_INTRS];	/* moderation level for
 							 * each intr */
-	u32		reserved[3];
+	__le32		reserved[3];
 };
 
 /* one bit per VLAN ID, the size is in the units of u32	*/
@@ -391,21 +481,21 @@ struct Vmxnet3_IntrConf {
 struct Vmxnet3_QueueStatus {
 	bool		stopped;
 	u8		_pad[3];
-	u32		error;
+	__le32		error;
 };
 
 
 struct Vmxnet3_TxQueueCtrl {
-	u32		txNumDeferred;
-	u32		txThreshold;
-	u64		reserved;
+	__le32		txNumDeferred;
+	__le32		txThreshold;
+	__le64		reserved;
 };
 
 
 struct Vmxnet3_RxQueueCtrl {
 	bool		updateRxProd;
 	u8		_pad[7];
-	u64		reserved;
+	__le64		reserved;
 };
 
 enum {
@@ -417,11 +507,11 @@ enum {
 };
 
 struct Vmxnet3_RxFilterConf {
-	u32		rxMode;       /* VMXNET3_RXM_xxx */
-	u16		mfTableLen;   /* size of the multicast filter table */
-	u16		_pad1;
-	u64		mfTablePA;    /* PA of the multicast filters table */
-	u32		vfTable[VMXNET3_VFT_SIZE]; /* vlan filter */
+	__le32		rxMode;       /* VMXNET3_RXM_xxx */
+	__le16		mfTableLen;   /* size of the multicast filter table */
+	__le16		_pad1;
+	__le64		mfTablePA;    /* PA of the multicast filters table */
+	__le32		vfTable[VMXNET3_VFT_SIZE]; /* vlan filter */
 };
 
 
@@ -444,7 +534,7 @@ struct Vmxnet3_PM_PktFilter {
 
 
 struct Vmxnet3_PMConf {
-	u16		wakeUpEvents;  /* VMXNET3_PM_WAKEUP_xxx */
+	__le16		wakeUpEvents;  /* VMXNET3_PM_WAKEUP_xxx */
 	u8		numFilters;
 	u8		pad[5];
 	struct Vmxnet3_PM_PktFilter filters[VMXNET3_PM_MAX_FILTERS];
@@ -452,9 +542,9 @@ struct Vmxnet3_PMConf {
 
 
 struct Vmxnet3_VariableLenConfDesc {
-	u32		confVer;
-	u32		confLen;
-	u64		confPA;
+	__le32		confVer;
+	__le32		confLen;
+	__le64		confPA;
 };
 
 
@@ -491,12 +581,12 @@ struct Vmxnet3_DSDevRead {
 
 /* All structures in DriverShared are padded to multiples of 8 bytes */
 struct Vmxnet3_DriverShared {
-	u32				magic;
+	__le32				magic;
 	/* make devRead start at 64bit boundaries */
-	u32					pad;
-	struct Vmxnet3_DSDevRead		devRead;
-	u32					ecr;
-	u32					reserved[5];
+	__le32				pad;
+	struct Vmxnet3_DSDevRead	devRead;
+	__le32				ecr;
+	__le32				reserved[5];
 };
 
 
diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index 004353a46af..8f24fe5822f 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -29,7 +29,6 @@
 char vmxnet3_driver_name[] = "vmxnet3";
 #define VMXNET3_DRIVER_DESC "VMware vmxnet3 virtual NIC driver"
 
-
 /*
  * PCI Device ID Table
  * Last entry must be all 0s
@@ -151,11 +150,10 @@ vmxnet3_check_link(struct vmxnet3_adapter *adapter)
 	}
 }
 
-
 static void
 vmxnet3_process_events(struct vmxnet3_adapter *adapter)
 {
-	u32 events = adapter->shared->ecr;
+	u32 events = le32_to_cpu(adapter->shared->ecr);
 	if (!events)
 		return;
 
@@ -173,7 +171,7 @@ vmxnet3_process_events(struct vmxnet3_adapter *adapter)
 		if (adapter->tqd_start->status.stopped) {
 			printk(KERN_ERR "%s: tq error 0x%x\n",
 			       adapter->netdev->name,
-			       adapter->tqd_start->status.error);
+			       le32_to_cpu(adapter->tqd_start->status.error));
 		}
 		if (adapter->rqd_start->status.stopped) {
 			printk(KERN_ERR "%s: rq error 0x%x\n",
@@ -185,6 +183,106 @@ vmxnet3_process_events(struct vmxnet3_adapter *adapter)
 	}
 }
 
+#ifdef __BIG_ENDIAN_BITFIELD
+/*
+ * The device expects the bitfields in shared structures to be written in
+ * little endian. When CPU is big endian, the following routines are used to
+ * correctly read and write into ABI.
+ * The general technique used here is : double word bitfields are defined in
+ * opposite order for big endian architecture. Then before reading them in
+ * driver the complete double word is translated using le32_to_cpu. Similarly
+ * After the driver writes into bitfields, cpu_to_le32 is used to translate the
+ * double words into required format.
+ * In order to avoid touching bits in shared structure more than once, temporary
+ * descriptors are used. These are passed as srcDesc to following functions.
+ */
+static void vmxnet3_RxDescToCPU(const struct Vmxnet3_RxDesc *srcDesc,
+				struct Vmxnet3_RxDesc *dstDesc)
+{
+	u32 *src = (u32 *)srcDesc + 2;
+	u32 *dst = (u32 *)dstDesc + 2;
+	dstDesc->addr = le64_to_cpu(srcDesc->addr);
+	*dst = le32_to_cpu(*src);
+	dstDesc->ext1 = le32_to_cpu(srcDesc->ext1);
+}
+
+static void vmxnet3_TxDescToLe(const struct Vmxnet3_TxDesc *srcDesc,
+			       struct Vmxnet3_TxDesc *dstDesc)
+{
+	int i;
+	u32 *src = (u32 *)(srcDesc + 1);
+	u32 *dst = (u32 *)(dstDesc + 1);
+
+	/* Working backwards so that the gen bit is set at the end. */
+	for (i = 2; i > 0; i--) {
+		src--;
+		dst--;
+		*dst = cpu_to_le32(*src);
+	}
+}
+
+
+static void vmxnet3_RxCompToCPU(const struct Vmxnet3_RxCompDesc *srcDesc,
+				struct Vmxnet3_RxCompDesc *dstDesc)
+{
+	int i = 0;
+	u32 *src = (u32 *)srcDesc;
+	u32 *dst = (u32 *)dstDesc;
+	for (i = 0; i < sizeof(struct Vmxnet3_RxCompDesc) / sizeof(u32); i++) {
+		*dst = le32_to_cpu(*src);
+		src++;
+		dst++;
+	}
+}
+
+
+/* Used to read bitfield values from double words. */
+static u32 get_bitfield32(const __le32 *bitfield, u32 pos, u32 size)
+{
+	u32 temp = le32_to_cpu(*bitfield);
+	u32 mask = ((1 << size) - 1) << pos;
+	temp &= mask;
+	temp >>= pos;
+	return temp;
+}
+
+
+
+#endif  /* __BIG_ENDIAN_BITFIELD */
+
+#ifdef __BIG_ENDIAN_BITFIELD
+
+#   define VMXNET3_TXDESC_GET_GEN(txdesc) get_bitfield32(((const __le32 *) \
+			txdesc) + VMXNET3_TXD_GEN_DWORD_SHIFT, \
+			VMXNET3_TXD_GEN_SHIFT, VMXNET3_TXD_GEN_SIZE)
+#   define VMXNET3_TXDESC_GET_EOP(txdesc) get_bitfield32(((const __le32 *) \
+			txdesc) + VMXNET3_TXD_EOP_DWORD_SHIFT, \
+			VMXNET3_TXD_EOP_SHIFT, VMXNET3_TXD_EOP_SIZE)
+#   define VMXNET3_TCD_GET_GEN(tcd) get_bitfield32(((const __le32 *)tcd) + \
+			VMXNET3_TCD_GEN_DWORD_SHIFT, VMXNET3_TCD_GEN_SHIFT, \
+			VMXNET3_TCD_GEN_SIZE)
+#   define VMXNET3_TCD_GET_TXIDX(tcd) get_bitfield32((const __le32 *)tcd, \
+			VMXNET3_TCD_TXIDX_SHIFT, VMXNET3_TCD_TXIDX_SIZE)
+#   define vmxnet3_getRxComp(dstrcd, rcd, tmp) do { \
+			(dstrcd) = (tmp); \
+			vmxnet3_RxCompToCPU((rcd), (tmp)); \
+		} while (0)
+#   define vmxnet3_getRxDesc(dstrxd, rxd, tmp) do { \
+			(dstrxd) = (tmp); \
+			vmxnet3_RxDescToCPU((rxd), (tmp)); \
+		} while (0)
+
+#else
+
+#   define VMXNET3_TXDESC_GET_GEN(txdesc) ((txdesc)->gen)
+#   define VMXNET3_TXDESC_GET_EOP(txdesc) ((txdesc)->eop)
+#   define VMXNET3_TCD_GET_GEN(tcd) ((tcd)->gen)
+#   define VMXNET3_TCD_GET_TXIDX(tcd) ((tcd)->txdIdx)
+#   define vmxnet3_getRxComp(dstrcd, rcd, tmp) (dstrcd) = (rcd)
+#   define vmxnet3_getRxDesc(dstrxd, rxd, tmp) (dstrxd) = (rxd)
+
+#endif /* __BIG_ENDIAN_BITFIELD  */
+
 
 static void
 vmxnet3_unmap_tx_buf(struct vmxnet3_tx_buf_info *tbi,
@@ -212,7 +310,7 @@ vmxnet3_unmap_pkt(u32 eop_idx, struct vmxnet3_tx_queue *tq,
 
 	/* no out of order completion */
 	BUG_ON(tq->buf_info[eop_idx].sop_idx != tq->tx_ring.next2comp);
-	BUG_ON(tq->tx_ring.base[eop_idx].txd.eop != 1);
+	BUG_ON(VMXNET3_TXDESC_GET_EOP(&(tq->tx_ring.base[eop_idx].txd)) != 1);
 
 	skb = tq->buf_info[eop_idx].skb;
 	BUG_ON(skb == NULL);
@@ -246,9 +344,10 @@ vmxnet3_tq_tx_complete(struct vmxnet3_tx_queue *tq,
 	union Vmxnet3_GenericDesc *gdesc;
 
 	gdesc = tq->comp_ring.base + tq->comp_ring.next2proc;
-	while (gdesc->tcd.gen == tq->comp_ring.gen) {
-		completed += vmxnet3_unmap_pkt(gdesc->tcd.txdIdx, tq,
-					       adapter->pdev, adapter);
+	while (VMXNET3_TCD_GET_GEN(&gdesc->tcd) == tq->comp_ring.gen) {
+		completed += vmxnet3_unmap_pkt(VMXNET3_TCD_GET_TXIDX(
+					       &gdesc->tcd), tq, adapter->pdev,
+					       adapter);
 
 		vmxnet3_comp_ring_adv_next2proc(&tq->comp_ring);
 		gdesc = tq->comp_ring.base + tq->comp_ring.next2proc;
@@ -472,9 +571,9 @@ vmxnet3_rq_alloc_rx_buf(struct vmxnet3_rx_queue *rq, u32 ring_idx,
 		}
 
 		BUG_ON(rbi->dma_addr == 0);
-		gd->rxd.addr = rbi->dma_addr;
-		gd->dword[2] = (ring->gen << VMXNET3_RXD_GEN_SHIFT) | val |
-				rbi->len;
+		gd->rxd.addr = cpu_to_le64(rbi->dma_addr);
+		gd->dword[2] = cpu_to_le32((ring->gen << VMXNET3_RXD_GEN_SHIFT)
+					   | val | rbi->len);
 
 		num_allocated++;
 		vmxnet3_cmd_ring_adv_next2fill(ring);
@@ -531,10 +630,10 @@ vmxnet3_map_pkt(struct sk_buff *skb, struct vmxnet3_tx_ctx *ctx,
 
 	/* no need to map the buffer if headers are copied */
 	if (ctx->copy_size) {
-		ctx->sop_txd->txd.addr = tq->data_ring.basePA +
+		ctx->sop_txd->txd.addr = cpu_to_le64(tq->data_ring.basePA +
 					tq->tx_ring.next2fill *
-					sizeof(struct Vmxnet3_TxDataDesc);
-		ctx->sop_txd->dword[2] = dw2 | ctx->copy_size;
+					sizeof(struct Vmxnet3_TxDataDesc));
+		ctx->sop_txd->dword[2] = cpu_to_le32(dw2 | ctx->copy_size);
 		ctx->sop_txd->dword[3] = 0;
 
 		tbi = tq->buf_info + tq->tx_ring.next2fill;
@@ -542,7 +641,8 @@ vmxnet3_map_pkt(struct sk_buff *skb, struct vmxnet3_tx_ctx *ctx,
 
 		dev_dbg(&adapter->netdev->dev,
 			"txd[%u]: 0x%Lx 0x%x 0x%x\n",
-			tq->tx_ring.next2fill, ctx->sop_txd->txd.addr,
+			tq->tx_ring.next2fill,
+			le64_to_cpu(ctx->sop_txd->txd.addr),
 			ctx->sop_txd->dword[2], ctx->sop_txd->dword[3]);
 		vmxnet3_cmd_ring_adv_next2fill(&tq->tx_ring);
 
@@ -570,14 +670,14 @@ vmxnet3_map_pkt(struct sk_buff *skb, struct vmxnet3_tx_ctx *ctx,
 		gdesc = tq->tx_ring.base + tq->tx_ring.next2fill;
 		BUG_ON(gdesc->txd.gen == tq->tx_ring.gen);
 
-		gdesc->txd.addr = tbi->dma_addr;
-		gdesc->dword[2] = dw2 | buf_size;
+		gdesc->txd.addr = cpu_to_le64(tbi->dma_addr);
+		gdesc->dword[2] = cpu_to_le32(dw2 | buf_size);
 		gdesc->dword[3] = 0;
 
 		dev_dbg(&adapter->netdev->dev,
 			"txd[%u]: 0x%Lx 0x%x 0x%x\n",
-			tq->tx_ring.next2fill, gdesc->txd.addr,
-			gdesc->dword[2], gdesc->dword[3]);
+			tq->tx_ring.next2fill, le64_to_cpu(gdesc->txd.addr),
+			le32_to_cpu(gdesc->dword[2]), gdesc->dword[3]);
 		vmxnet3_cmd_ring_adv_next2fill(&tq->tx_ring);
 		dw2 = tq->tx_ring.gen << VMXNET3_TXD_GEN_SHIFT;
 
@@ -599,14 +699,14 @@ vmxnet3_map_pkt(struct sk_buff *skb, struct vmxnet3_tx_ctx *ctx,
 		gdesc = tq->tx_ring.base + tq->tx_ring.next2fill;
 		BUG_ON(gdesc->txd.gen == tq->tx_ring.gen);
 
-		gdesc->txd.addr = tbi->dma_addr;
-		gdesc->dword[2] = dw2 | frag->size;
+		gdesc->txd.addr = cpu_to_le64(tbi->dma_addr);
+		gdesc->dword[2] = cpu_to_le32(dw2 | frag->size);
 		gdesc->dword[3] = 0;
 
 		dev_dbg(&adapter->netdev->dev,
 			"txd[%u]: 0x%llu %u %u\n",
-			tq->tx_ring.next2fill, gdesc->txd.addr,
-			gdesc->dword[2], gdesc->dword[3]);
+			tq->tx_ring.next2fill, le64_to_cpu(gdesc->txd.addr),
+			le32_to_cpu(gdesc->dword[2]), gdesc->dword[3]);
 		vmxnet3_cmd_ring_adv_next2fill(&tq->tx_ring);
 		dw2 = tq->tx_ring.gen << VMXNET3_TXD_GEN_SHIFT;
 	}
@@ -751,6 +851,10 @@ vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq,
 	unsigned long flags;
 	struct vmxnet3_tx_ctx ctx;
 	union Vmxnet3_GenericDesc *gdesc;
+#ifdef __BIG_ENDIAN_BITFIELD
+	/* Use temporary descriptor to avoid touching bits multiple times */
+	union Vmxnet3_GenericDesc tempTxDesc;
+#endif
 
 	/* conservatively estimate # of descriptors to use */
 	count = VMXNET3_TXD_NEEDED(skb_headlen(skb)) +
@@ -827,16 +931,22 @@ vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq,
 	vmxnet3_map_pkt(skb, &ctx, tq, adapter->pdev, adapter);
 
 	/* setup the EOP desc */
-	ctx.eop_txd->dword[3] = VMXNET3_TXD_CQ | VMXNET3_TXD_EOP;
+	ctx.eop_txd->dword[3] = cpu_to_le32(VMXNET3_TXD_CQ | VMXNET3_TXD_EOP);
 
 	/* setup the SOP desc */
+#ifdef __BIG_ENDIAN_BITFIELD
+	gdesc = &tempTxDesc;
+	gdesc->dword[2] = ctx.sop_txd->dword[2];
+	gdesc->dword[3] = ctx.sop_txd->dword[3];
+#else
 	gdesc = ctx.sop_txd;
+#endif
 	if (ctx.mss) {
 		gdesc->txd.hlen = ctx.eth_ip_hdr_size + ctx.l4_hdr_size;
 		gdesc->txd.om = VMXNET3_OM_TSO;
 		gdesc->txd.msscof = ctx.mss;
-		tq->shared->txNumDeferred += (skb->len - gdesc->txd.hlen +
-					     ctx.mss - 1) / ctx.mss;
+		le32_add_cpu(&tq->shared->txNumDeferred, (skb->len -
+			     gdesc->txd.hlen + ctx.mss - 1) / ctx.mss);
 	} else {
 		if (skb->ip_summed == CHECKSUM_PARTIAL) {
 			gdesc->txd.hlen = ctx.eth_ip_hdr_size;
@@ -847,7 +957,7 @@ vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq,
 			gdesc->txd.om = 0;
 			gdesc->txd.msscof = 0;
 		}
-		tq->shared->txNumDeferred++;
+		le32_add_cpu(&tq->shared->txNumDeferred, 1);
 	}
 
 	if (vlan_tx_tag_present(skb)) {
@@ -855,19 +965,27 @@ vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq,
 		gdesc->txd.tci = vlan_tx_tag_get(skb);
 	}
 
-	wmb();
-
-	/* finally flips the GEN bit of the SOP desc */
-	gdesc->dword[2] ^= VMXNET3_TXD_GEN;
+	/* finally flips the GEN bit of the SOP desc. */
+	gdesc->dword[2] = cpu_to_le32(le32_to_cpu(gdesc->dword[2]) ^
+						  VMXNET3_TXD_GEN);
+#ifdef __BIG_ENDIAN_BITFIELD
+	/* Finished updating in bitfields of Tx Desc, so write them in original
+	 * place.
+	 */
+	vmxnet3_TxDescToLe((struct Vmxnet3_TxDesc *)gdesc,
+			   (struct Vmxnet3_TxDesc *)ctx.sop_txd);
+	gdesc = ctx.sop_txd;
+#endif
 	dev_dbg(&adapter->netdev->dev,
 		"txd[%u]: SOP 0x%Lx 0x%x 0x%x\n",
 		(u32)((union Vmxnet3_GenericDesc *)ctx.sop_txd -
-		tq->tx_ring.base), gdesc->txd.addr, gdesc->dword[2],
-		gdesc->dword[3]);
+		tq->tx_ring.base), le64_to_cpu(gdesc->txd.addr),
+		le32_to_cpu(gdesc->dword[2]), le32_to_cpu(gdesc->dword[3]));
 
 	spin_unlock_irqrestore(&tq->tx_lock, flags);
 
-	if (tq->shared->txNumDeferred >= tq->shared->txThreshold) {
+	if (le32_to_cpu(tq->shared->txNumDeferred) >=
+					le32_to_cpu(tq->shared->txThreshold)) {
 		tq->shared->txNumDeferred = 0;
 		VMXNET3_WRITE_BAR0_REG(adapter, VMXNET3_REG_TXPROD,
 				       tq->tx_ring.next2fill);
@@ -889,9 +1007,8 @@ static netdev_tx_t
 vmxnet3_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 {
 	struct vmxnet3_adapter *adapter = netdev_priv(netdev);
-	struct vmxnet3_tx_queue *tq = &adapter->tx_queue;
 
-	return vmxnet3_tq_xmit(skb, tq, adapter, netdev);
+	return vmxnet3_tq_xmit(skb, &adapter->tx_queue, adapter, netdev);
 }
 
 
@@ -902,7 +1019,7 @@ vmxnet3_rx_csum(struct vmxnet3_adapter *adapter,
 {
 	if (!gdesc->rcd.cnc && adapter->rxcsum) {
 		/* typical case: TCP/UDP over IP and both csums are correct */
-		if ((gdesc->dword[3] & VMXNET3_RCD_CSUM_OK) ==
+		if ((le32_to_cpu(gdesc->dword[3]) & VMXNET3_RCD_CSUM_OK) ==
 							VMXNET3_RCD_CSUM_OK) {
 			skb->ip_summed = CHECKSUM_UNNECESSARY;
 			BUG_ON(!(gdesc->rcd.tcp || gdesc->rcd.udp));
@@ -957,8 +1074,12 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq,
 	u32 num_rxd = 0;
 	struct Vmxnet3_RxCompDesc *rcd;
 	struct vmxnet3_rx_ctx *ctx = &rq->rx_ctx;
-
-	rcd = &rq->comp_ring.base[rq->comp_ring.next2proc].rcd;
+#ifdef __BIG_ENDIAN_BITFIELD
+	struct Vmxnet3_RxDesc rxCmdDesc;
+	struct Vmxnet3_RxCompDesc rxComp;
+#endif
+	vmxnet3_getRxComp(rcd, &rq->comp_ring.base[rq->comp_ring.next2proc].rcd,
+			  &rxComp);
 	while (rcd->gen == rq->comp_ring.gen) {
 		struct vmxnet3_rx_buf_info *rbi;
 		struct sk_buff *skb;
@@ -976,11 +1097,12 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq,
 
 		idx = rcd->rxdIdx;
 		ring_idx = rcd->rqID == rq->qid ? 0 : 1;
-
-		rxd = &rq->rx_ring[ring_idx].base[idx].rxd;
+		vmxnet3_getRxDesc(rxd, &rq->rx_ring[ring_idx].base[idx].rxd,
+				  &rxCmdDesc);
 		rbi = rq->buf_info[ring_idx] + idx;
 
-		BUG_ON(rxd->addr != rbi->dma_addr || rxd->len != rbi->len);
+		BUG_ON(rxd->addr != rbi->dma_addr ||
+		       rxd->len != rbi->len);
 
 		if (unlikely(rcd->eop && rcd->err)) {
 			vmxnet3_rx_error(rq, rcd, ctx, adapter);
@@ -1078,7 +1200,8 @@ rcd_done:
 		}
 
 		vmxnet3_comp_ring_adv_next2proc(&rq->comp_ring);
-		rcd = &rq->comp_ring.base[rq->comp_ring.next2proc].rcd;
+		vmxnet3_getRxComp(rcd,
+		     &rq->comp_ring.base[rq->comp_ring.next2proc].rcd, &rxComp);
 	}
 
 	return num_rxd;
@@ -1094,7 +1217,11 @@ vmxnet3_rq_cleanup(struct vmxnet3_rx_queue *rq,
 
 	for (ring_idx = 0; ring_idx < 2; ring_idx++) {
 		for (i = 0; i < rq->rx_ring[ring_idx].size; i++) {
-			rxd = &rq->rx_ring[ring_idx].base[i].rxd;
+#ifdef __BIG_ENDIAN_BITFIELD
+			struct Vmxnet3_RxDesc rxDesc;
+#endif
+			vmxnet3_getRxDesc(rxd,
+				&rq->rx_ring[ring_idx].base[i].rxd, &rxDesc);
 
 			if (rxd->btype == VMXNET3_RXD_BTYPE_HEAD &&
 					rq->buf_info[ring_idx][i].skb) {
@@ -1346,12 +1473,12 @@ vmxnet3_request_irqs(struct vmxnet3_adapter *adapter)
 		err = request_irq(adapter->intr.msix_entries[0].vector,
 				  vmxnet3_intr, 0, adapter->netdev->name,
 				  adapter->netdev);
-	} else
-#endif
-	if (adapter->intr.type == VMXNET3_IT_MSI) {
+	} else if (adapter->intr.type == VMXNET3_IT_MSI) {
 		err = request_irq(adapter->pdev->irq, vmxnet3_intr, 0,
 				  adapter->netdev->name, adapter->netdev);
-	} else {
+	} else
+#endif
+	{
 		err = request_irq(adapter->pdev->irq, vmxnet3_intr,
 				  IRQF_SHARED, adapter->netdev->name,
 				  adapter->netdev);
@@ -1412,6 +1539,22 @@ vmxnet3_free_irqs(struct vmxnet3_adapter *adapter)
 }
 
 
+inline void set_flag_le16(__le16 *data, u16 flag)
+{
+	*data = cpu_to_le16(le16_to_cpu(*data) | flag);
+}
+
+inline void set_flag_le64(__le64 *data, u64 flag)
+{
+	*data = cpu_to_le64(le64_to_cpu(*data) | flag);
+}
+
+inline void reset_flag_le64(__le64 *data, u64 flag)
+{
+	*data = cpu_to_le64(le64_to_cpu(*data) & ~flag);
+}
+
+
 static void
 vmxnet3_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp)
 {
@@ -1427,7 +1570,8 @@ vmxnet3_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp)
 			adapter->vlan_grp = grp;
 
 			/* update FEATURES to device */
-			devRead->misc.uptFeatures |= UPT1_F_RXVLAN;
+			set_flag_le64(&devRead->misc.uptFeatures,
+				      UPT1_F_RXVLAN);
 			VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
 					       VMXNET3_CMD_UPDATE_FEATURE);
 			/*
@@ -1450,7 +1594,7 @@ vmxnet3_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp)
 		struct Vmxnet3_DSDevRead *devRead = &shared->devRead;
 		adapter->vlan_grp = NULL;
 
-		if (devRead->misc.uptFeatures & UPT1_F_RXVLAN) {
+		if (le64_to_cpu(devRead->misc.uptFeatures) & UPT1_F_RXVLAN) {
 			int i;
 
 			for (i = 0; i < VMXNET3_VFT_SIZE; i++) {
@@ -1463,7 +1607,8 @@ vmxnet3_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp)
 					       VMXNET3_CMD_UPDATE_VLAN_FILTERS);
 
 			/* update FEATURES to device */
-			devRead->misc.uptFeatures &= ~UPT1_F_RXVLAN;
+			reset_flag_le64(&devRead->misc.uptFeatures,
+					UPT1_F_RXVLAN);
 			VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
 					       VMXNET3_CMD_UPDATE_FEATURE);
 		}
@@ -1565,9 +1710,10 @@ vmxnet3_set_mc(struct net_device *netdev)
 			new_table = vmxnet3_copy_mc(netdev);
 			if (new_table) {
 				new_mode |= VMXNET3_RXM_MCAST;
-				rxConf->mfTableLen = netdev->mc_count *
-						     ETH_ALEN;
-				rxConf->mfTablePA = virt_to_phys(new_table);
+				rxConf->mfTableLen = cpu_to_le16(
+						netdev->mc_count * ETH_ALEN);
+				rxConf->mfTablePA = cpu_to_le64(virt_to_phys(
+						    new_table));
 			} else {
 				printk(KERN_INFO "%s: failed to copy mcast list"
 				       ", setting ALL_MULTI\n", netdev->name);
@@ -1582,7 +1728,7 @@ vmxnet3_set_mc(struct net_device *netdev)
 	}
 
 	if (new_mode != rxConf->rxMode) {
-		rxConf->rxMode = new_mode;
+		rxConf->rxMode = cpu_to_le32(new_mode);
 		VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
 				       VMXNET3_CMD_UPDATE_RX_MODE);
 	}
@@ -1610,63 +1756,69 @@ vmxnet3_setup_driver_shared(struct vmxnet3_adapter *adapter)
 	memset(shared, 0, sizeof(*shared));
 
 	/* driver settings */
-	shared->magic = VMXNET3_REV1_MAGIC;
-	devRead->misc.driverInfo.version = VMXNET3_DRIVER_VERSION_NUM;
+	shared->magic = cpu_to_le32(VMXNET3_REV1_MAGIC);
+	devRead->misc.driverInfo.version = cpu_to_le32(
+						VMXNET3_DRIVER_VERSION_NUM);
 	devRead->misc.driverInfo.gos.gosBits = (sizeof(void *) == 4 ?
 				VMXNET3_GOS_BITS_32 : VMXNET3_GOS_BITS_64);
 	devRead->misc.driverInfo.gos.gosType = VMXNET3_GOS_TYPE_LINUX;
-	devRead->misc.driverInfo.vmxnet3RevSpt = 1;
-	devRead->misc.driverInfo.uptVerSpt = 1;
+	*((u32 *)&devRead->misc.driverInfo.gos) = cpu_to_le32(
+				*((u32 *)&devRead->misc.driverInfo.gos));
+	devRead->misc.driverInfo.vmxnet3RevSpt = cpu_to_le32(1);
+	devRead->misc.driverInfo.uptVerSpt = cpu_to_le32(1);
 
-	devRead->misc.ddPA = virt_to_phys(adapter);
-	devRead->misc.ddLen = sizeof(struct vmxnet3_adapter);
+	devRead->misc.ddPA = cpu_to_le64(virt_to_phys(adapter));
+	devRead->misc.ddLen = cpu_to_le32(sizeof(struct vmxnet3_adapter));
 
 	/* set up feature flags */
 	if (adapter->rxcsum)
-		devRead->misc.uptFeatures |= UPT1_F_RXCSUM;
+		set_flag_le64(&devRead->misc.uptFeatures, UPT1_F_RXCSUM);
 
 	if (adapter->lro) {
-		devRead->misc.uptFeatures |= UPT1_F_LRO;
-		devRead->misc.maxNumRxSG = 1 + MAX_SKB_FRAGS;
+		set_flag_le64(&devRead->misc.uptFeatures, UPT1_F_LRO);
+		devRead->misc.maxNumRxSG = cpu_to_le16(1 + MAX_SKB_FRAGS);
 	}
 	if ((adapter->netdev->features & NETIF_F_HW_VLAN_RX)
 			&& adapter->vlan_grp) {
-		devRead->misc.uptFeatures |= UPT1_F_RXVLAN;
+		set_flag_le64(&devRead->misc.uptFeatures, UPT1_F_RXVLAN);
 	}
 
-	devRead->misc.mtu = adapter->netdev->mtu;
-	devRead->misc.queueDescPA = adapter->queue_desc_pa;
-	devRead->misc.queueDescLen = sizeof(struct Vmxnet3_TxQueueDesc) +
-				     sizeof(struct Vmxnet3_RxQueueDesc);
+	devRead->misc.mtu = cpu_to_le32(adapter->netdev->mtu);
+	devRead->misc.queueDescPA = cpu_to_le64(adapter->queue_desc_pa);
+	devRead->misc.queueDescLen = cpu_to_le32(
+				     sizeof(struct Vmxnet3_TxQueueDesc) +
+				     sizeof(struct Vmxnet3_RxQueueDesc));
 
 	/* tx queue settings */
 	BUG_ON(adapter->tx_queue.tx_ring.base == NULL);
 
 	devRead->misc.numTxQueues = 1;
 	tqc = &adapter->tqd_start->conf;
-	tqc->txRingBasePA   = adapter->tx_queue.tx_ring.basePA;
-	tqc->dataRingBasePA = adapter->tx_queue.data_ring.basePA;
-	tqc->compRingBasePA = adapter->tx_queue.comp_ring.basePA;
-	tqc->ddPA           = virt_to_phys(adapter->tx_queue.buf_info);
-	tqc->txRingSize     = adapter->tx_queue.tx_ring.size;
-	tqc->dataRingSize   = adapter->tx_queue.data_ring.size;
-	tqc->compRingSize   = adapter->tx_queue.comp_ring.size;
-	tqc->ddLen          = sizeof(struct vmxnet3_tx_buf_info) *
-			      tqc->txRingSize;
+	tqc->txRingBasePA   = cpu_to_le64(adapter->tx_queue.tx_ring.basePA);
+	tqc->dataRingBasePA = cpu_to_le64(adapter->tx_queue.data_ring.basePA);
+	tqc->compRingBasePA = cpu_to_le64(adapter->tx_queue.comp_ring.basePA);
+	tqc->ddPA           = cpu_to_le64(virt_to_phys(
+						adapter->tx_queue.buf_info));
+	tqc->txRingSize     = cpu_to_le32(adapter->tx_queue.tx_ring.size);
+	tqc->dataRingSize   = cpu_to_le32(adapter->tx_queue.data_ring.size);
+	tqc->compRingSize   = cpu_to_le32(adapter->tx_queue.comp_ring.size);
+	tqc->ddLen          = cpu_to_le32(sizeof(struct vmxnet3_tx_buf_info) *
+			      tqc->txRingSize);
 	tqc->intrIdx        = adapter->tx_queue.comp_ring.intr_idx;
 
 	/* rx queue settings */
 	devRead->misc.numRxQueues = 1;
 	rqc = &adapter->rqd_start->conf;
-	rqc->rxRingBasePA[0] = adapter->rx_queue.rx_ring[0].basePA;
-	rqc->rxRingBasePA[1] = adapter->rx_queue.rx_ring[1].basePA;
-	rqc->compRingBasePA  = adapter->rx_queue.comp_ring.basePA;
-	rqc->ddPA            = virt_to_phys(adapter->rx_queue.buf_info);
-	rqc->rxRingSize[0]   = adapter->rx_queue.rx_ring[0].size;
-	rqc->rxRingSize[1]   = adapter->rx_queue.rx_ring[1].size;
-	rqc->compRingSize    = adapter->rx_queue.comp_ring.size;
-	rqc->ddLen           = sizeof(struct vmxnet3_rx_buf_info) *
-			       (rqc->rxRingSize[0] + rqc->rxRingSize[1]);
+	rqc->rxRingBasePA[0] = cpu_to_le64(adapter->rx_queue.rx_ring[0].basePA);
+	rqc->rxRingBasePA[1] = cpu_to_le64(adapter->rx_queue.rx_ring[1].basePA);
+	rqc->compRingBasePA  = cpu_to_le64(adapter->rx_queue.comp_ring.basePA);
+	rqc->ddPA            = cpu_to_le64(virt_to_phys(
+						adapter->rx_queue.buf_info));
+	rqc->rxRingSize[0]   = cpu_to_le32(adapter->rx_queue.rx_ring[0].size);
+	rqc->rxRingSize[1]   = cpu_to_le32(adapter->rx_queue.rx_ring[1].size);
+	rqc->compRingSize    = cpu_to_le32(adapter->rx_queue.comp_ring.size);
+	rqc->ddLen           = cpu_to_le32(sizeof(struct vmxnet3_rx_buf_info) *
+			       (rqc->rxRingSize[0] + rqc->rxRingSize[1]));
 	rqc->intrIdx         = adapter->rx_queue.comp_ring.intr_idx;
 
 	/* intr settings */
@@ -1715,11 +1867,10 @@ vmxnet3_activate_dev(struct vmxnet3_adapter *adapter)
 
 	vmxnet3_setup_driver_shared(adapter);
 
-	VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_DSAL,
-			       VMXNET3_GET_ADDR_LO(adapter->shared_pa));
-	VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_DSAH,
-			       VMXNET3_GET_ADDR_HI(adapter->shared_pa));
-
+	VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_DSAL, VMXNET3_GET_ADDR_LO(
+			       adapter->shared_pa));
+	VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_DSAH, VMXNET3_GET_ADDR_HI(
+			       adapter->shared_pa));
 	VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
 			       VMXNET3_CMD_ACTIVATE_DEV);
 	ret = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_CMD);
@@ -2425,7 +2576,7 @@ vmxnet3_suspend(struct device *device)
 		memcpy(pmConf->filters[i].pattern, netdev->dev_addr, ETH_ALEN);
 		pmConf->filters[i].mask[0] = 0x3F; /* LSB ETH_ALEN bits */
 
-		pmConf->wakeUpEvents |= VMXNET3_PM_WAKEUP_FILTER;
+		set_flag_le16(&pmConf->wakeUpEvents, VMXNET3_PM_WAKEUP_FILTER);
 		i++;
 	}
 
@@ -2467,19 +2618,21 @@ vmxnet3_suspend(struct device *device)
 		pmConf->filters[i].mask[5] = 0x03; /* IPv4 TIP */
 		in_dev_put(in_dev);
 
-		pmConf->wakeUpEvents |= VMXNET3_PM_WAKEUP_FILTER;
+		set_flag_le16(&pmConf->wakeUpEvents, VMXNET3_PM_WAKEUP_FILTER);
 		i++;
 	}
 
 skip_arp:
 	if (adapter->wol & WAKE_MAGIC)
-		pmConf->wakeUpEvents |= VMXNET3_PM_WAKEUP_MAGIC;
+		set_flag_le16(&pmConf->wakeUpEvents, VMXNET3_PM_WAKEUP_MAGIC);
 
 	pmConf->numFilters = i;
 
-	adapter->shared->devRead.pmConfDesc.confVer = 1;
-	adapter->shared->devRead.pmConfDesc.confLen = sizeof(*pmConf);
-	adapter->shared->devRead.pmConfDesc.confPA = virt_to_phys(pmConf);
+	adapter->shared->devRead.pmConfDesc.confVer = cpu_to_le32(1);
+	adapter->shared->devRead.pmConfDesc.confLen = cpu_to_le32(sizeof(
+								  *pmConf));
+	adapter->shared->devRead.pmConfDesc.confPA = cpu_to_le64(virt_to_phys(
+								 pmConf));
 
 	VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
 			       VMXNET3_CMD_UPDATE_PMCFG);
@@ -2510,9 +2663,11 @@ vmxnet3_resume(struct device *device)
 	pmConf = adapter->pm_conf;
 	memset(pmConf, 0, sizeof(*pmConf));
 
-	adapter->shared->devRead.pmConfDesc.confVer = 1;
-	adapter->shared->devRead.pmConfDesc.confLen = sizeof(*pmConf);
-	adapter->shared->devRead.pmConfDesc.confPA = virt_to_phys(pmConf);
+	adapter->shared->devRead.pmConfDesc.confVer = cpu_to_le32(1);
+	adapter->shared->devRead.pmConfDesc.confLen = cpu_to_le32(sizeof(
+								  *pmConf));
+	adapter->shared->devRead.pmConfDesc.confPA = cpu_to_le32(virt_to_phys(
+								 pmConf));
 
 	netif_device_attach(netdev);
 	pci_set_power_state(pdev, PCI_D0);
diff --git a/drivers/net/vmxnet3/vmxnet3_ethtool.c b/drivers/net/vmxnet3/vmxnet3_ethtool.c
index c2c15e4cafc..3935c4493fb 100644
--- a/drivers/net/vmxnet3/vmxnet3_ethtool.c
+++ b/drivers/net/vmxnet3/vmxnet3_ethtool.c
@@ -50,11 +50,13 @@ vmxnet3_set_rx_csum(struct net_device *netdev, u32 val)
 		adapter->rxcsum = val;
 		if (netif_running(netdev)) {
 			if (val)
-				adapter->shared->devRead.misc.uptFeatures |=
-								UPT1_F_RXCSUM;
+				set_flag_le64(
+				&adapter->shared->devRead.misc.uptFeatures,
+				UPT1_F_RXCSUM);
 			else
-				adapter->shared->devRead.misc.uptFeatures &=
-								~UPT1_F_RXCSUM;
+				reset_flag_le64(
+				&adapter->shared->devRead.misc.uptFeatures,
+				UPT1_F_RXCSUM);
 
 			VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
 					       VMXNET3_CMD_UPDATE_FEATURE);
diff --git a/drivers/net/vmxnet3/vmxnet3_int.h b/drivers/net/vmxnet3/vmxnet3_int.h
index 445081686d5..34f392f46fb 100644
--- a/drivers/net/vmxnet3/vmxnet3_int.h
+++ b/drivers/net/vmxnet3/vmxnet3_int.h
@@ -330,14 +330,14 @@ struct vmxnet3_adapter {
 };
 
 #define VMXNET3_WRITE_BAR0_REG(adapter, reg, val)  \
-	writel((val), (adapter)->hw_addr0 + (reg))
+	writel(cpu_to_le32(val), (adapter)->hw_addr0 + (reg))
 #define VMXNET3_READ_BAR0_REG(adapter, reg)        \
-	readl((adapter)->hw_addr0 + (reg))
+	le32_to_cpu(readl((adapter)->hw_addr0 + (reg)))
 
 #define VMXNET3_WRITE_BAR1_REG(adapter, reg, val)  \
-	writel((val), (adapter)->hw_addr1 + (reg))
+	writel(cpu_to_le32(val), (adapter)->hw_addr1 + (reg))
 #define VMXNET3_READ_BAR1_REG(adapter, reg)        \
-	readl((adapter)->hw_addr1 + (reg))
+	le32_to_cpu(readl((adapter)->hw_addr1 + (reg)))
 
 #define VMXNET3_WAKE_QUEUE_THRESHOLD(tq)  (5)
 #define VMXNET3_RX_ALLOC_THRESHOLD(rq, ring_idx, adapter) \
@@ -353,6 +353,10 @@ struct vmxnet3_adapter {
 #define VMXNET3_MAX_ETH_HDR_SIZE    22
 #define VMXNET3_MAX_SKB_BUF_SIZE    (3*1024)
 
+void set_flag_le16(__le16 *data, u16 flag);
+void set_flag_le64(__le64 *data, u64 flag);
+void reset_flag_le64(__le64 *data, u64 flag);
+
 int
 vmxnet3_quiesce_dev(struct vmxnet3_adapter *adapter);
 
-- 
GitLab


From b2a5decddbe295d09c29d4a8078cdc47a55346df Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Denis-Courmont?= <remi.denis-courmont@nokia.com>
Date: Mon, 16 Nov 2009 22:17:24 +0000
Subject: [PATCH 1304/1815] Phonet: missing rcu_dereference()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Reported-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/phonet/af_phonet.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c
index ed65da251b6..526d0273991 100644
--- a/net/phonet/af_phonet.c
+++ b/net/phonet/af_phonet.c
@@ -44,7 +44,7 @@ static struct phonet_protocol *phonet_proto_get(int protocol)
 		return NULL;
 
 	rcu_read_lock();
-	pp = proto_tab[protocol];
+	pp = rcu_dereference(proto_tab[protocol]);
 	if (pp && !try_module_get(pp->prot->owner))
 		pp = NULL;
 	rcu_read_unlock();
-- 
GitLab


From feed1f17241d26261e77ddb5f2fc2a91a3c16739 Mon Sep 17 00:00:00 2001
From: Changli Gao <xiaosuo@gmail.com>
Date: Tue, 17 Nov 2009 04:14:00 -0800
Subject: [PATCH 1305/1815] act_mirred: cleanup

1. don't let go back using goto.
2. don't call skb_act_clone() until it is necessary.
3. one exit of the critical context.

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/sched/act_mirred.c | 59 +++++++++++++++++++++++-------------------
 1 file changed, 33 insertions(+), 26 deletions(-)

diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index b9aaab4e035..b812c20b66c 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -148,47 +148,39 @@ static int tcf_mirred(struct sk_buff *skb, struct tc_action *a,
 {
 	struct tcf_mirred *m = a->priv;
 	struct net_device *dev;
-	struct sk_buff *skb2 = NULL;
-	u32 at = G_TC_AT(skb->tc_verd);
+	struct sk_buff *skb2;
+	u32 at;
+	int retval, err = 1;
 
 	spin_lock(&m->tcf_lock);
-
-	dev = m->tcfm_dev;
 	m->tcf_tm.lastuse = jiffies;
+	if (m->tcfm_eaction != TCA_EGRESS_MIRROR &&
+	    m->tcfm_eaction != TCA_EGRESS_REDIR) {
+		if (net_ratelimit())
+			printk("tcf_mirred unknown action %d\n",
+			       m->tcfm_eaction);
+		goto out;
+	}
 
-	if (!(dev->flags&IFF_UP) ) {
+	dev = m->tcfm_dev;
+	if (!(dev->flags & IFF_UP)) {
 		if (net_ratelimit())
 			printk("mirred to Houston: device %s is gone!\n",
 			       dev->name);
-bad_mirred:
-		if (skb2 != NULL)
-			kfree_skb(skb2);
-		m->tcf_qstats.overlimits++;
-		m->tcf_bstats.bytes += qdisc_pkt_len(skb);
-		m->tcf_bstats.packets++;
-		spin_unlock(&m->tcf_lock);
-		/* should we be asking for packet to be dropped?
-		 * may make sense for redirect case only
-		*/
-		return TC_ACT_SHOT;
+		goto out;
 	}
 
 	skb2 = skb_act_clone(skb, GFP_ATOMIC);
 	if (skb2 == NULL)
-		goto bad_mirred;
-	if (m->tcfm_eaction != TCA_EGRESS_MIRROR &&
-	    m->tcfm_eaction != TCA_EGRESS_REDIR) {
-		if (net_ratelimit())
-			printk("tcf_mirred unknown action %d\n",
-			       m->tcfm_eaction);
-		goto bad_mirred;
-	}
+		goto out;
 
 	m->tcf_bstats.bytes += qdisc_pkt_len(skb2);
 	m->tcf_bstats.packets++;
-	if (!(at & AT_EGRESS))
+	at = G_TC_AT(skb->tc_verd);
+	if (!(at & AT_EGRESS)) {
 		if (m->tcfm_ok_push)
 			skb_push(skb2, skb2->dev->hard_header_len);
+	}
 
 	/* mirror is always swallowed */
 	if (m->tcfm_eaction != TCA_EGRESS_MIRROR)
@@ -197,8 +189,23 @@ bad_mirred:
 	skb2->dev = dev;
 	skb2->iif = skb->dev->ifindex;
 	dev_queue_xmit(skb2);
+	err = 0;
+
+out:
+	if (err) {
+		m->tcf_qstats.overlimits++;
+		m->tcf_bstats.bytes += qdisc_pkt_len(skb);
+		m->tcf_bstats.packets++;
+		/* should we be asking for packet to be dropped?
+		 * may make sense for redirect case only
+		 */
+		retval = TC_ACT_SHOT;
+	} else {
+		retval = m->tcf_action;
+	}
 	spin_unlock(&m->tcf_lock);
-	return m->tcf_action;
+
+	return retval;
 }
 
 static int tcf_mirred_dump(struct sk_buff *skb, struct tc_action *a, int bind, int ref)
-- 
GitLab


From b76965e02bfdd4164c00bf946ff6ca1818ed9fcd Mon Sep 17 00:00:00 2001
From: Changli Gao <xiaosuo@gmail.com>
Date: Tue, 17 Nov 2009 04:15:16 -0800
Subject: [PATCH 1306/1815] act_mirred: optimization.

move checking if eaction is valid in tcf_mirred_init()

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/sched/act_mirred.c | 60 ++++++++++++++++++++----------------------
 1 file changed, 29 insertions(+), 31 deletions(-)

diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index b812c20b66c..79747936988 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -65,48 +65,53 @@ static int tcf_mirred_init(struct nlattr *nla, struct nlattr *est,
 	struct tc_mirred *parm;
 	struct tcf_mirred *m;
 	struct tcf_common *pc;
-	struct net_device *dev = NULL;
-	int ret = 0, err;
-	int ok_push = 0;
+	struct net_device *dev;
+	int ret, ok_push = 0;
 
 	if (nla == NULL)
 		return -EINVAL;
-
-	err = nla_parse_nested(tb, TCA_MIRRED_MAX, nla, mirred_policy);
-	if (err < 0)
-		return err;
-
+	ret = nla_parse_nested(tb, TCA_MIRRED_MAX, nla, mirred_policy);
+	if (ret < 0)
+		return ret;
 	if (tb[TCA_MIRRED_PARMS] == NULL)
 		return -EINVAL;
 	parm = nla_data(tb[TCA_MIRRED_PARMS]);
-
+	switch (parm->eaction) {
+	case TCA_EGRESS_MIRROR:
+	case TCA_EGRESS_REDIR:
+		break;
+	default:
+		return -EINVAL;
+	}
 	if (parm->ifindex) {
 		dev = __dev_get_by_index(&init_net, parm->ifindex);
 		if (dev == NULL)
 			return -ENODEV;
 		switch (dev->type) {
-			case ARPHRD_TUNNEL:
-			case ARPHRD_TUNNEL6:
-			case ARPHRD_SIT:
-			case ARPHRD_IPGRE:
-			case ARPHRD_VOID:
-			case ARPHRD_NONE:
-				ok_push = 0;
-				break;
-			default:
-				ok_push = 1;
-				break;
+		case ARPHRD_TUNNEL:
+		case ARPHRD_TUNNEL6:
+		case ARPHRD_SIT:
+		case ARPHRD_IPGRE:
+		case ARPHRD_VOID:
+		case ARPHRD_NONE:
+			ok_push = 0;
+			break;
+		default:
+			ok_push = 1;
+			break;
 		}
+	} else {
+		dev = NULL;
 	}
 
 	pc = tcf_hash_check(parm->index, a, bind, &mirred_hash_info);
 	if (!pc) {
-		if (!parm->ifindex)
+		if (dev == NULL)
 			return -EINVAL;
 		pc = tcf_hash_create(parm->index, est, a, sizeof(*m), bind,
 				     &mirred_idx_gen, &mirred_hash_info);
 		if (IS_ERR(pc))
-		    return PTR_ERR(pc);
+			return PTR_ERR(pc);
 		ret = ACT_P_CREATED;
 	} else {
 		if (!ovr) {
@@ -119,12 +124,12 @@ static int tcf_mirred_init(struct nlattr *nla, struct nlattr *est,
 	spin_lock_bh(&m->tcf_lock);
 	m->tcf_action = parm->action;
 	m->tcfm_eaction = parm->eaction;
-	if (parm->ifindex) {
+	if (dev != NULL) {
 		m->tcfm_ifindex = parm->ifindex;
 		if (ret != ACT_P_CREATED)
 			dev_put(m->tcfm_dev);
-		m->tcfm_dev = dev;
 		dev_hold(dev);
+		m->tcfm_dev = dev;
 		m->tcfm_ok_push = ok_push;
 	}
 	spin_unlock_bh(&m->tcf_lock);
@@ -154,13 +159,6 @@ static int tcf_mirred(struct sk_buff *skb, struct tc_action *a,
 
 	spin_lock(&m->tcf_lock);
 	m->tcf_tm.lastuse = jiffies;
-	if (m->tcfm_eaction != TCA_EGRESS_MIRROR &&
-	    m->tcfm_eaction != TCA_EGRESS_REDIR) {
-		if (net_ratelimit())
-			printk("tcf_mirred unknown action %d\n",
-			       m->tcfm_eaction);
-		goto out;
-	}
 
 	dev = m->tcfm_dev;
 	if (!(dev->flags & IFF_UP)) {
-- 
GitLab


From 302689ac47b563f9d4d8318f399bae225658eec8 Mon Sep 17 00:00:00 2001
From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Tue, 17 Nov 2009 06:47:02 -0800
Subject: [PATCH 1307/1815] net/s390 drivers: add missing 'const' attribute

Add missing 'const' attribute to avoid the following compile warnings:

drivers/s390/net/ctcm_main.c: In function 'ctcm_init':
drivers/s390/net/ctcm_main.c:1864: warning: assignment from incompatible pointer type
drivers/s390/net/lcs.c: In function 'lcs_init_module':
drivers/s390/net/lcs.c:2468: warning: assignment from incompatible pointer type
drivers/s390/net/claw.c: In function 'claw_init':
drivers/s390/net/claw.c:3408: warning: assignment from incompatible pointer type

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/s390/net/claw.c      | 2 +-
 drivers/s390/net/ctcm_main.c | 2 +-
 drivers/s390/net/lcs.c       | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c
index cf283e3d276..3c77bfe0764 100644
--- a/drivers/s390/net/claw.c
+++ b/drivers/s390/net/claw.c
@@ -310,7 +310,7 @@ static struct attribute_group claw_group_attr_group = {
 	.attrs = claw_group_attrs,
 };
 
-static struct attribute_group *claw_group_attr_groups[] = {
+static const struct attribute_group *claw_group_attr_groups[] = {
 	&claw_group_attr_group,
 	NULL,
 };
diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c
index 558dc323a94..e35713dd050 100644
--- a/drivers/s390/net/ctcm_main.c
+++ b/drivers/s390/net/ctcm_main.c
@@ -1806,7 +1806,7 @@ static struct attribute_group ctcm_group_attr_group = {
 	.attrs = ctcm_group_attrs,
 };
 
-static struct attribute_group *ctcm_group_attr_groups[] = {
+static const struct attribute_group *ctcm_group_attr_groups[] = {
 	&ctcm_group_attr_group,
 	NULL,
 };
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index 1d43d23f5ea..f6cc46dc050 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -2440,7 +2440,7 @@ static struct attribute_group lcs_group_attr_group = {
 	.attrs = lcs_group_attrs,
 };
 
-static struct attribute_group *lcs_group_attr_groups[] = {
+static const struct attribute_group *lcs_group_attr_groups[] = {
 	&lcs_group_attr_group,
 	NULL,
 };
-- 
GitLab


From c85e9d7739fc8d879c4293ea020760926d6f87cd Mon Sep 17 00:00:00 2001
From: "John W. Linville" <linville@tuxdriver.com>
Date: Tue, 17 Nov 2009 10:16:32 -0500
Subject: [PATCH 1308/1815] znet: fix build failure from i82593.h relocation

znet was including "wireless/i82593.h" (which is a bit wierd), and I
missed that when I relocated i82593.h to drivers/staging/wavelan.  Since
I don't have ISA turned-on in my normal .config, I didn't see the build
failures -- mea culpa!

Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/znet.c                                  | 3 +--
 drivers/staging/wavelan/wavelan_cs.p.h              | 2 +-
 {drivers/staging/wavelan => include/linux}/i82593.h | 0
 3 files changed, 2 insertions(+), 3 deletions(-)
 rename {drivers/staging/wavelan => include/linux}/i82593.h (100%)

diff --git a/drivers/net/znet.c b/drivers/net/znet.c
index b4234733375..443c4eee28c 100644
--- a/drivers/net/znet.c
+++ b/drivers/net/znet.c
@@ -103,8 +103,7 @@
 #include <asm/io.h>
 #include <asm/dma.h>
 
-/* This include could be elsewhere, since it is not wireless specific */
-#include "wireless/i82593.h"
+#include <linux/i82593.h>
 
 static char version[] __initdata = "znet.c:v1.02 9/23/94 becker@scyld.com\n";
 
diff --git a/drivers/staging/wavelan/wavelan_cs.p.h b/drivers/staging/wavelan/wavelan_cs.p.h
index 81d91531c4f..8fbfaa8a5a6 100644
--- a/drivers/staging/wavelan/wavelan_cs.p.h
+++ b/drivers/staging/wavelan/wavelan_cs.p.h
@@ -446,7 +446,7 @@
 #include <pcmcia/ds.h>
 
 /* Wavelan declarations */
-#include "i82593.h"	/* Definitions for the Intel chip */
+#include <linux/i82593.h>	/* Definitions for the Intel chip */
 
 #include "wavelan_cs.h"	/* Others bits of the hardware */
 
diff --git a/drivers/staging/wavelan/i82593.h b/include/linux/i82593.h
similarity index 100%
rename from drivers/staging/wavelan/i82593.h
rename to include/linux/i82593.h
-- 
GitLab


From b038b0401f9697ee1d7df40021b96e7de0564938 Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Tue, 17 Nov 2009 23:04:59 -0800
Subject: [PATCH 1309/1815] vmxnet3: using csum_ipv6_magic requires including
 net/ip6_checksum.h

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/vmxnet3/vmxnet3_drv.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index 8f24fe5822f..a4c97e786ee 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -24,6 +24,8 @@
  *
  */
 
+#include <net/ip6_checksum.h>
+
 #include "vmxnet3_int.h"
 
 char vmxnet3_driver_name[] = "vmxnet3";
-- 
GitLab


From d83345adf96bc13a5e360f4649a2e68ef968dec0 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Mon, 16 Nov 2009 03:36:51 +0000
Subject: [PATCH 1310/1815] net: add dev_txq_stats_fold() helper

Some drivers ndo_get_stats() method need to perform txqueue stats folding.

Move folding from dev_get_stats() to a new dev_txq_stats_fold() function

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/netdevice.h |  1 +
 net/core/dev.c            | 48 +++++++++++++++++++++++----------------
 2 files changed, 30 insertions(+), 19 deletions(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 7043f85e643..c8fa4627de0 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1941,6 +1941,7 @@ extern void		netdev_features_change(struct net_device *dev);
 extern void		dev_load(struct net *net, const char *name);
 extern void		dev_mcast_init(void);
 extern const struct net_device_stats *dev_get_stats(struct net_device *dev);
+extern void		dev_txq_stats_fold(const struct net_device *dev, struct net_device_stats *stats);
 
 extern int		netdev_max_backlog;
 extern int		weight_p;
diff --git a/net/core/dev.c b/net/core/dev.c
index d867522290b..c3e0578d29d 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5168,6 +5168,32 @@ void netdev_run_todo(void)
 	}
 }
 
+/**
+ *	dev_txq_stats_fold - fold tx_queues stats
+ *	@dev: device to get statistics from
+ *	@stats: struct net_device_stats to hold results
+ */
+void dev_txq_stats_fold(const struct net_device *dev,
+			struct net_device_stats *stats)
+{
+	unsigned long tx_bytes = 0, tx_packets = 0, tx_dropped = 0;
+	unsigned int i;
+	struct netdev_queue *txq;
+
+	for (i = 0; i < dev->num_tx_queues; i++) {
+		txq = netdev_get_tx_queue(dev, i);
+		tx_bytes   += txq->tx_bytes;
+		tx_packets += txq->tx_packets;
+		tx_dropped += txq->tx_dropped;
+	}
+	if (tx_bytes || tx_packets || tx_dropped) {
+		stats->tx_bytes   = tx_bytes;
+		stats->tx_packets = tx_packets;
+		stats->tx_dropped = tx_dropped;
+	}
+}
+EXPORT_SYMBOL(dev_txq_stats_fold);
+
 /**
  *	dev_get_stats	- get network device statistics
  *	@dev: device to get statistics from
@@ -5182,25 +5208,9 @@ const struct net_device_stats *dev_get_stats(struct net_device *dev)
 
 	if (ops->ndo_get_stats)
 		return ops->ndo_get_stats(dev);
-	else {
-		unsigned long tx_bytes = 0, tx_packets = 0, tx_dropped = 0;
-		struct net_device_stats *stats = &dev->stats;
-		unsigned int i;
-		struct netdev_queue *txq;
-
-		for (i = 0; i < dev->num_tx_queues; i++) {
-			txq = netdev_get_tx_queue(dev, i);
-			tx_bytes   += txq->tx_bytes;
-			tx_packets += txq->tx_packets;
-			tx_dropped += txq->tx_dropped;
-		}
-		if (tx_bytes || tx_packets || tx_dropped) {
-			stats->tx_bytes   = tx_bytes;
-			stats->tx_packets = tx_packets;
-			stats->tx_dropped = tx_dropped;
-		}
-		return stats;
-	}
+
+	dev_txq_stats_fold(dev, &dev->stats);
+	return &dev->stats;
 }
 EXPORT_SYMBOL(dev_get_stats);
 
-- 
GitLab


From 9793241fe92f7d9303fb221e43fc598eb065f267 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 17 Nov 2009 04:53:09 +0000
Subject: [PATCH 1311/1815] vlan: Precise RX stats accounting

With multi queue devices, its possible that several cpus call
vlan RX routines simultaneously for the same vlan device.

We update RX stats counter without any locking, so we can
get slightly wrong counters.

One possible fix is to use percpu counters, to get precise
accounting and also get guarantee of no cache line ping pongs
between cpus.

Note: this adds 16 bytes (32 bytes on 64bit arches) of percpu
data per vlan device.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/8021q/vlan.h      | 17 ++++++++++++++++
 net/8021q/vlan_core.c | 12 ++++++-----
 net/8021q/vlan_dev.c  | 47 +++++++++++++++++++++++++++++++++++++------
 3 files changed, 65 insertions(+), 11 deletions(-)

diff --git a/net/8021q/vlan.h b/net/8021q/vlan.h
index 68f9290e683..5685296017e 100644
--- a/net/8021q/vlan.h
+++ b/net/8021q/vlan.h
@@ -16,6 +16,21 @@ struct vlan_priority_tci_mapping {
 	struct vlan_priority_tci_mapping	*next;
 };
 
+
+/**
+ *	struct vlan_rx_stats - VLAN percpu rx stats
+ *	@rx_packets: number of received packets
+ *	@rx_bytes: number of received bytes
+ *	@multicast: number of received multicast packets
+ *	@rx_errors: number of errors
+ */
+struct vlan_rx_stats {
+	unsigned long rx_packets;
+	unsigned long rx_bytes;
+	unsigned long multicast;
+	unsigned long rx_errors;
+};
+
 /**
  *	struct vlan_dev_info - VLAN private device data
  *	@nr_ingress_mappings: number of ingress priority mappings
@@ -29,6 +44,7 @@ struct vlan_priority_tci_mapping {
  *	@dent: proc dir entry
  *	@cnt_inc_headroom_on_tx: statistic - number of skb expansions on TX
  *	@cnt_encap_on_xmit: statistic - number of skb encapsulations on TX
+ *	@vlan_rx_stats: ptr to percpu rx stats
  */
 struct vlan_dev_info {
 	unsigned int				nr_ingress_mappings;
@@ -45,6 +61,7 @@ struct vlan_dev_info {
 	struct proc_dir_entry			*dent;
 	unsigned long				cnt_inc_headroom_on_tx;
 	unsigned long				cnt_encap_on_xmit;
+	struct vlan_rx_stats			*vlan_rx_stats;
 };
 
 static inline struct vlan_dev_info *vlan_dev_info(const struct net_device *dev)
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index 971d3755ae8..e75a2f3b10a 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -31,7 +31,7 @@ EXPORT_SYMBOL(__vlan_hwaccel_rx);
 int vlan_hwaccel_do_receive(struct sk_buff *skb)
 {
 	struct net_device *dev = skb->dev;
-	struct net_device_stats *stats;
+	struct vlan_rx_stats     *rx_stats;
 
 	skb->dev = vlan_dev_info(dev)->real_dev;
 	netif_nit_deliver(skb);
@@ -40,15 +40,17 @@ int vlan_hwaccel_do_receive(struct sk_buff *skb)
 	skb->priority = vlan_get_ingress_priority(dev, skb->vlan_tci);
 	skb->vlan_tci = 0;
 
-	stats = &dev->stats;
-	stats->rx_packets++;
-	stats->rx_bytes += skb->len;
+	rx_stats = per_cpu_ptr(vlan_dev_info(dev)->vlan_rx_stats,
+			       smp_processor_id());
+
+	rx_stats->rx_packets++;
+	rx_stats->rx_bytes += skb->len;
 
 	switch (skb->pkt_type) {
 	case PACKET_BROADCAST:
 		break;
 	case PACKET_MULTICAST:
-		stats->multicast++;
+		rx_stats->multicast++;
 		break;
 	case PACKET_OTHERHOST:
 		/* Our lower layer thinks this is not local, let's make sure.
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 91596594213..de0dc6bacbe 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -140,7 +140,7 @@ int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev,
 		  struct packet_type *ptype, struct net_device *orig_dev)
 {
 	struct vlan_hdr *vhdr;
-	struct net_device_stats *stats;
+	struct vlan_rx_stats *rx_stats;
 	u16 vlan_id;
 	u16 vlan_tci;
 
@@ -163,9 +163,10 @@ int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev,
 		goto err_unlock;
 	}
 
-	stats = &skb->dev->stats;
-	stats->rx_packets++;
-	stats->rx_bytes += skb->len;
+	rx_stats = per_cpu_ptr(vlan_dev_info(dev)->vlan_rx_stats,
+			       smp_processor_id());
+	rx_stats->rx_packets++;
+	rx_stats->rx_bytes += skb->len;
 
 	skb_pull_rcsum(skb, VLAN_HLEN);
 
@@ -180,7 +181,7 @@ int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev,
 		break;
 
 	case PACKET_MULTICAST:
-		stats->multicast++;
+		rx_stats->multicast++;
 		break;
 
 	case PACKET_OTHERHOST:
@@ -200,7 +201,7 @@ int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev,
 
 	skb = vlan_check_reorder_header(skb);
 	if (!skb) {
-		stats->rx_errors++;
+		rx_stats->rx_errors++;
 		goto err_unlock;
 	}
 
@@ -731,6 +732,11 @@ static int vlan_dev_init(struct net_device *dev)
 		subclass = 1;
 
 	vlan_dev_set_lockdep_class(dev, subclass);
+
+	vlan_dev_info(dev)->vlan_rx_stats = alloc_percpu(struct vlan_rx_stats);
+	if (!vlan_dev_info(dev)->vlan_rx_stats)
+		return -ENOMEM;
+
 	return 0;
 }
 
@@ -740,6 +746,8 @@ static void vlan_dev_uninit(struct net_device *dev)
 	struct vlan_dev_info *vlan = vlan_dev_info(dev);
 	int i;
 
+	free_percpu(vlan->vlan_rx_stats);
+	vlan->vlan_rx_stats = NULL;
 	for (i = 0; i < ARRAY_SIZE(vlan->egress_priority_map); i++) {
 		while ((pm = vlan->egress_priority_map[i]) != NULL) {
 			vlan->egress_priority_map[i] = pm->next;
@@ -775,6 +783,31 @@ static u32 vlan_ethtool_get_flags(struct net_device *dev)
 	return dev_ethtool_get_flags(vlan->real_dev);
 }
 
+static struct net_device_stats *vlan_dev_get_stats(struct net_device *dev)
+{
+	struct net_device_stats *stats = &dev->stats;
+
+	dev_txq_stats_fold(dev, stats);
+
+	if (vlan_dev_info(dev)->vlan_rx_stats) {
+		struct vlan_rx_stats *p, rx = {0};
+		int i;
+
+		for_each_possible_cpu(i) {
+			p = per_cpu_ptr(vlan_dev_info(dev)->vlan_rx_stats, i);
+			rx.rx_packets += p->rx_packets;
+			rx.rx_bytes   += p->rx_bytes;
+			rx.rx_errors  += p->rx_errors;
+			rx.multicast  += p->multicast;
+		}
+		stats->rx_packets = rx.rx_packets;
+		stats->rx_bytes   = rx.rx_bytes;
+		stats->rx_errors  = rx.rx_errors;
+		stats->multicast  = rx.multicast;
+	}
+	return stats;
+}
+
 static const struct ethtool_ops vlan_ethtool_ops = {
 	.get_settings	        = vlan_ethtool_get_settings,
 	.get_drvinfo	        = vlan_ethtool_get_drvinfo,
@@ -797,6 +830,7 @@ static const struct net_device_ops vlan_netdev_ops = {
 	.ndo_change_rx_flags	= vlan_dev_change_rx_flags,
 	.ndo_do_ioctl		= vlan_dev_ioctl,
 	.ndo_neigh_setup	= vlan_dev_neigh_setup,
+	.ndo_get_stats		= vlan_dev_get_stats,
 #if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
 	.ndo_fcoe_ddp_setup	= vlan_dev_fcoe_ddp_setup,
 	.ndo_fcoe_ddp_done	= vlan_dev_fcoe_ddp_done,
@@ -820,6 +854,7 @@ static const struct net_device_ops vlan_netdev_accel_ops = {
 	.ndo_change_rx_flags	= vlan_dev_change_rx_flags,
 	.ndo_do_ioctl		= vlan_dev_ioctl,
 	.ndo_neigh_setup	= vlan_dev_neigh_setup,
+	.ndo_get_stats		= vlan_dev_get_stats,
 #if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
 	.ndo_fcoe_ddp_setup	= vlan_dev_fcoe_ddp_setup,
 	.ndo_fcoe_ddp_done	= vlan_dev_fcoe_ddp_done,
-- 
GitLab


From fccaf71011b171883efee5bae321eac4760584d1 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 17 Nov 2009 08:53:49 +0000
Subject: [PATCH 1312/1815] macvlan: Precise RX stats accounting

With multi queue devices, its possible that several cpus call
macvlan RX routines simultaneously for the same macvlan device.

We update RX stats counter without any locking, so we can
get slightly wrong counters.

One possible fix is to use percpu counters, to get precise
accounting and also get guarantee of no cache line ping pongs
between cpus.

Note: this adds 16 bytes (32 bytes on 64bit arches) of percpu
data per macvlan device.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/macvlan.c | 76 +++++++++++++++++++++++++++++++++++++------
 1 file changed, 66 insertions(+), 10 deletions(-)

diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 271aa7e1d03..ae2b5c79c55 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -38,12 +38,27 @@ struct macvlan_port {
 	struct list_head	vlans;
 };
 
+/**
+ *	struct macvlan_rx_stats - MACVLAN percpu rx stats
+ *	@rx_packets: number of received packets
+ *	@rx_bytes: number of received bytes
+ *	@multicast: number of received multicast packets
+ *	@rx_errors: number of errors
+ */
+struct macvlan_rx_stats {
+	unsigned long rx_packets;
+	unsigned long rx_bytes;
+	unsigned long multicast;
+	unsigned long rx_errors;
+};
+
 struct macvlan_dev {
 	struct net_device	*dev;
 	struct list_head	list;
 	struct hlist_node	hlist;
 	struct macvlan_port	*port;
 	struct net_device	*lowerdev;
+	struct macvlan_rx_stats *rx_stats;
 };
 
 
@@ -110,6 +125,7 @@ static void macvlan_broadcast(struct sk_buff *skb,
 	struct net_device *dev;
 	struct sk_buff *nskb;
 	unsigned int i;
+	struct macvlan_rx_stats *rx_stats;
 
 	if (skb->protocol == htons(ETH_P_PAUSE))
 		return;
@@ -117,17 +133,17 @@ static void macvlan_broadcast(struct sk_buff *skb,
 	for (i = 0; i < MACVLAN_HASH_SIZE; i++) {
 		hlist_for_each_entry_rcu(vlan, n, &port->vlan_hash[i], hlist) {
 			dev = vlan->dev;
+			rx_stats = per_cpu_ptr(vlan->rx_stats, smp_processor_id());
 
 			nskb = skb_clone(skb, GFP_ATOMIC);
 			if (nskb == NULL) {
-				dev->stats.rx_errors++;
-				dev->stats.rx_dropped++;
+				rx_stats->rx_errors++;
 				continue;
 			}
 
-			dev->stats.rx_bytes += skb->len + ETH_HLEN;
-			dev->stats.rx_packets++;
-			dev->stats.multicast++;
+			rx_stats->rx_bytes += skb->len + ETH_HLEN;
+			rx_stats->rx_packets++;
+			rx_stats->multicast++;
 
 			nskb->dev = dev;
 			if (!compare_ether_addr_64bits(eth->h_dest, dev->broadcast))
@@ -147,6 +163,7 @@ static struct sk_buff *macvlan_handle_frame(struct sk_buff *skb)
 	const struct macvlan_port *port;
 	const struct macvlan_dev *vlan;
 	struct net_device *dev;
+	struct macvlan_rx_stats *rx_stats;
 
 	port = rcu_dereference(skb->dev->macvlan_port);
 	if (port == NULL)
@@ -166,16 +183,15 @@ static struct sk_buff *macvlan_handle_frame(struct sk_buff *skb)
 		kfree_skb(skb);
 		return NULL;
 	}
-
+	rx_stats = per_cpu_ptr(vlan->rx_stats, smp_processor_id());
 	skb = skb_share_check(skb, GFP_ATOMIC);
 	if (skb == NULL) {
-		dev->stats.rx_errors++;
-		dev->stats.rx_dropped++;
+		rx_stats->rx_errors++;
 		return NULL;
 	}
 
-	dev->stats.rx_bytes += skb->len + ETH_HLEN;
-	dev->stats.rx_packets++;
+	rx_stats->rx_bytes += skb->len + ETH_HLEN;
+	rx_stats->rx_packets++;
 
 	skb->dev = dev;
 	skb->pkt_type = PACKET_HOST;
@@ -365,9 +381,47 @@ static int macvlan_init(struct net_device *dev)
 
 	macvlan_set_lockdep_class(dev);
 
+	vlan->rx_stats = alloc_percpu(struct macvlan_rx_stats);
+	if (!vlan->rx_stats)
+		return -ENOMEM;
+
 	return 0;
 }
 
+static void macvlan_uninit(struct net_device *dev)
+{
+	struct macvlan_dev *vlan = netdev_priv(dev);
+
+	free_percpu(vlan->rx_stats);
+}
+
+static struct net_device_stats *macvlan_dev_get_stats(struct net_device *dev)
+{
+	struct net_device_stats *stats = &dev->stats;
+	struct macvlan_dev *vlan = netdev_priv(dev);
+
+	dev_txq_stats_fold(dev, stats);
+
+	if (vlan->rx_stats) {
+		struct macvlan_rx_stats *p, rx = {0};
+		int i;
+
+		for_each_possible_cpu(i) {
+			p = per_cpu_ptr(vlan->rx_stats, i);
+			rx.rx_packets += p->rx_packets;
+			rx.rx_bytes   += p->rx_bytes;
+			rx.rx_errors  += p->rx_errors;
+			rx.multicast  += p->multicast;
+		}
+		stats->rx_packets = rx.rx_packets;
+		stats->rx_bytes   = rx.rx_bytes;
+		stats->rx_errors  = rx.rx_errors;
+		stats->rx_dropped = rx.rx_errors;
+		stats->multicast  = rx.multicast;
+	}
+	return stats;
+}
+
 static void macvlan_ethtool_get_drvinfo(struct net_device *dev,
 					struct ethtool_drvinfo *drvinfo)
 {
@@ -404,6 +458,7 @@ static const struct ethtool_ops macvlan_ethtool_ops = {
 
 static const struct net_device_ops macvlan_netdev_ops = {
 	.ndo_init		= macvlan_init,
+	.ndo_uninit		= macvlan_uninit,
 	.ndo_open		= macvlan_open,
 	.ndo_stop		= macvlan_stop,
 	.ndo_start_xmit		= macvlan_start_xmit,
@@ -411,6 +466,7 @@ static const struct net_device_ops macvlan_netdev_ops = {
 	.ndo_change_rx_flags	= macvlan_change_rx_flags,
 	.ndo_set_mac_address	= macvlan_set_mac_address,
 	.ndo_set_multicast_list	= macvlan_set_multicast_list,
+	.ndo_get_stats		= macvlan_dev_get_stats,
 	.ndo_validate_addr	= eth_validate_addr,
 };
 
-- 
GitLab


From 395264d509aec45149745843d9a737140a1ece16 Mon Sep 17 00:00:00 2001
From: Octavian Purdila <opurdila@ixiacom.com>
Date: Mon, 16 Nov 2009 13:49:35 +0000
Subject: [PATCH 1313/1815] net: introduce NETDEV_UNREGISTER_PERNET

This new event is called once for each unique net namespace in batched
unregister operations (with the argument set to a random device from
that namespace) and once per device in non-batched unregister
operations.

It allows us to factorize some device unregister work such as clearing the
routing cache.

Signed-off-by: Octavian Purdila <opurdila@ixiacom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/notifier.h |  1 +
 net/core/dev.c           | 29 +++++++++++++++++++++++++++--
 2 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/include/linux/notifier.h b/include/linux/notifier.h
index 29714b8441b..b0c3671d463 100644
--- a/include/linux/notifier.h
+++ b/include/linux/notifier.h
@@ -202,6 +202,7 @@ static inline int notifier_to_errno(int ret)
 #define NETDEV_BONDING_OLDTYPE  0x000E
 #define NETDEV_BONDING_NEWTYPE  0x000F
 #define NETDEV_POST_INIT	0x0010
+#define NETDEV_UNREGISTER_PERNET 0x0011
 
 #define SYS_DOWN	0x0001	/* Notify of system down */
 #define SYS_RESTART	SYS_DOWN
diff --git a/net/core/dev.c b/net/core/dev.c
index c3e0578d29d..e25fe5d9343 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1344,6 +1344,7 @@ rollback:
 				nb->notifier_call(nb, NETDEV_DOWN, dev);
 			}
 			nb->notifier_call(nb, NETDEV_UNREGISTER, dev);
+			nb->notifier_call(nb, NETDEV_UNREGISTER_PERNET, dev);
 		}
 	}
 
@@ -4721,7 +4722,8 @@ static void net_set_todo(struct net_device *dev)
 
 static void rollback_registered_many(struct list_head *head)
 {
-	struct net_device *dev;
+	struct net_device *dev, *aux, *fdev;
+	LIST_HEAD(pernet_list);
 
 	BUG_ON(dev_boot_phase);
 	ASSERT_RTNL();
@@ -4779,8 +4781,24 @@ static void rollback_registered_many(struct list_head *head)
 
 	synchronize_net();
 
-	list_for_each_entry(dev, head, unreg_list)
+	list_for_each_entry_safe(dev, aux, head, unreg_list) {
+		int new_net = 1;
+		list_for_each_entry(fdev, &pernet_list, unreg_list) {
+			if (dev_net(dev) == dev_net(fdev)) {
+				new_net = 0;
+				dev_put(dev);
+				break;
+			}
+		}
+		if (new_net)
+			list_move(&dev->unreg_list, &pernet_list);
+	}
+
+	list_for_each_entry_safe(dev, aux, &pernet_list, unreg_list) {
+		call_netdevice_notifiers(NETDEV_UNREGISTER_PERNET, dev);
+		list_move(&dev->unreg_list, head);
 		dev_put(dev);
+	}
 }
 
 static void rollback_registered(struct net_device *dev)
@@ -5074,6 +5092,8 @@ static void netdev_wait_allrefs(struct net_device *dev)
 
 			/* Rebroadcast unregister notification */
 			call_netdevice_notifiers(NETDEV_UNREGISTER, dev);
+			/* don't resend NETDEV_UNREGISTER_PERNET, _PERNET users
+			 * should have already handle it the first time */
 
 			if (test_bit(__LINK_STATE_LINKWATCH_PENDING,
 				     &dev->state)) {
@@ -5385,6 +5405,10 @@ EXPORT_SYMBOL(unregister_netdevice_queue);
  *	unregister_netdevice_many - unregister many devices
  *	@head: list of devices
  *
+ *	WARNING: Calling this modifies the given list
+ *	(in rollback_registered_many). It may change the order of the elements
+ *	in the list. However, you can assume it does not add or delete elements
+ *	to/from the list.
  */
 void unregister_netdevice_many(struct list_head *head)
 {
@@ -5504,6 +5528,7 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
 	   this device. They should clean all the things.
 	*/
 	call_netdevice_notifiers(NETDEV_UNREGISTER, dev);
+	call_netdevice_notifiers(NETDEV_UNREGISTER_PERNET, dev);
 
 	/*
 	 *	Flush the unicast and multicast chains
-- 
GitLab


From e2ce146848c81af2f6d42e67990191c284bf0c33 Mon Sep 17 00:00:00 2001
From: Octavian Purdila <opurdila@ixiacom.com>
Date: Mon, 16 Nov 2009 13:49:49 +0000
Subject: [PATCH 1314/1815] ipv4: factorize cache clearing for batched
 unregister operations

Signed-off-by: Octavian Purdila <opurdila@ixiacom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/fib_frontend.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 816e2180bd6..6c1e56aef1f 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -895,11 +895,11 @@ static void nl_fib_lookup_exit(struct net *net)
 	net->ipv4.fibnl = NULL;
 }
 
-static void fib_disable_ip(struct net_device *dev, int force)
+static void fib_disable_ip(struct net_device *dev, int force, int delay)
 {
 	if (fib_sync_down_dev(dev, force))
 		fib_flush(dev_net(dev));
-	rt_cache_flush(dev_net(dev), 0);
+	rt_cache_flush(dev_net(dev), delay);
 	arp_ifdown(dev);
 }
 
@@ -922,7 +922,7 @@ static int fib_inetaddr_event(struct notifier_block *this, unsigned long event,
 			/* Last address was deleted from this interface.
 			   Disable IP.
 			 */
-			fib_disable_ip(dev, 1);
+			fib_disable_ip(dev, 1, 0);
 		} else {
 			rt_cache_flush(dev_net(dev), -1);
 		}
@@ -937,7 +937,7 @@ static int fib_netdev_event(struct notifier_block *this, unsigned long event, vo
 	struct in_device *in_dev = __in_dev_get_rtnl(dev);
 
 	if (event == NETDEV_UNREGISTER) {
-		fib_disable_ip(dev, 2);
+		fib_disable_ip(dev, 2, -1);
 		return NOTIFY_DONE;
 	}
 
@@ -955,10 +955,11 @@ static int fib_netdev_event(struct notifier_block *this, unsigned long event, vo
 		rt_cache_flush(dev_net(dev), -1);
 		break;
 	case NETDEV_DOWN:
-		fib_disable_ip(dev, 0);
+		fib_disable_ip(dev, 0, 0);
 		break;
 	case NETDEV_CHANGEMTU:
 	case NETDEV_CHANGE:
+	case NETDEV_UNREGISTER_PERNET:
 		rt_cache_flush(dev_net(dev), 0);
 		break;
 	}
-- 
GitLab


From e014debecd3ee3832e6476b3a9c948edfcfd1250 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 17 Nov 2009 05:59:21 +0000
Subject: [PATCH 1315/1815] linkwatch: linkwatch_forget_dev() to speedup device
 dismantle
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Herbert Xu a écrit :
> On Tue, Nov 17, 2009 at 04:26:04AM -0800, David Miller wrote:
>> Really, the link watch stuff is just due for a redesign.  I don't
>> think a simple hack is going to cut it this time, sorry Eric :-)
>
> I have no objections against any redesigns, but since the only
> caller of linkwatch_forget_dev runs in process context with the
> RTNL, it could also legally emit those events.

Thanks guys, here an updated version then, before linkwatch surgery ?

In this version, I force the event to be sent synchronously.

[PATCH net-next-2.6] linkwatch: linkwatch_forget_dev() to speedup device dismantle

time ip link del eth3.103 ; time ip link del eth3.104 ; time ip link del eth3.105

real	0m0.266s
user	0m0.000s
sys	0m0.001s

real	0m0.770s
user	0m0.000s
sys	0m0.000s

real	0m1.022s
user	0m0.000s
sys	0m0.000s

One problem of current schem in vlan dismantle phase is the
holding of device done by following chain :

vlan_dev_stop() ->
	netif_carrier_off(dev) ->
		linkwatch_fire_event(dev) ->
			dev_hold() ...

And __linkwatch_run_queue() runs up to one second later...

A generic fix to this problem is to add a linkwatch_forget_dev() method
to unlink the device from the list of watched devices.

dev->link_watch_next becomes dev->link_watch_list (and use a bit more memory),
to be able to unlink device in O(1).

After patch :
time ip link del eth3.103 ; time ip link del eth3.104 ; time ip link del eth3.105

real    0m0.024s
user    0m0.000s
sys     0m0.000s

real    0m0.032s
user    0m0.000s
sys     0m0.001s

real    0m0.033s
user    0m0.000s
sys     0m0.000s

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/netdevice.h |  3 +-
 net/core/dev.c            |  3 ++
 net/core/link_watch.c     | 94 ++++++++++++++++++++++++---------------
 3 files changed, 62 insertions(+), 38 deletions(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index c8fa4627de0..97873e31661 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -896,7 +896,7 @@ struct net_device {
 	/* device index hash chain */
 	struct hlist_node	index_hlist;
 
-	struct net_device	*link_watch_next;
+	struct list_head	link_watch_list;
 
 	/* register/unregister state machine */
 	enum { NETREG_UNINITIALIZED=0,
@@ -1600,6 +1600,7 @@ static inline void dev_hold(struct net_device *dev)
  */
 
 extern void linkwatch_fire_event(struct net_device *dev);
+extern void linkwatch_forget_dev(struct net_device *dev);
 
 /**
  *	netif_carrier_ok - test if carrier present
diff --git a/net/core/dev.c b/net/core/dev.c
index e25fe5d9343..c128af708eb 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5085,6 +5085,8 @@ static void netdev_wait_allrefs(struct net_device *dev)
 {
 	unsigned long rebroadcast_time, warning_time;
 
+	linkwatch_forget_dev(dev);
+
 	rebroadcast_time = warning_time = jiffies;
 	while (atomic_read(&dev->refcnt) != 0) {
 		if (time_after(jiffies, rebroadcast_time + 1 * HZ)) {
@@ -5311,6 +5313,7 @@ struct net_device *alloc_netdev_mq(int sizeof_priv, const char *name,
 
 	INIT_LIST_HEAD(&dev->napi_list);
 	INIT_LIST_HEAD(&dev->unreg_list);
+	INIT_LIST_HEAD(&dev->link_watch_list);
 	dev->priv_flags = IFF_XMIT_DST_RELEASE;
 	setup(dev);
 	strcpy(dev->name, name);
diff --git a/net/core/link_watch.c b/net/core/link_watch.c
index bf8f7af699d..5910b555a54 100644
--- a/net/core/link_watch.c
+++ b/net/core/link_watch.c
@@ -35,7 +35,7 @@ static unsigned long linkwatch_nextevent;
 static void linkwatch_event(struct work_struct *dummy);
 static DECLARE_DELAYED_WORK(linkwatch_work, linkwatch_event);
 
-static struct net_device *lweventlist;
+static LIST_HEAD(lweventlist);
 static DEFINE_SPINLOCK(lweventlist_lock);
 
 static unsigned char default_operstate(const struct net_device *dev)
@@ -89,8 +89,10 @@ static void linkwatch_add_event(struct net_device *dev)
 	unsigned long flags;
 
 	spin_lock_irqsave(&lweventlist_lock, flags);
-	dev->link_watch_next = lweventlist;
-	lweventlist = dev;
+	if (list_empty(&dev->link_watch_list)) {
+		list_add_tail(&dev->link_watch_list, &lweventlist);
+		dev_hold(dev);
+	}
 	spin_unlock_irqrestore(&lweventlist_lock, flags);
 }
 
@@ -133,9 +135,35 @@ static void linkwatch_schedule_work(int urgent)
 }
 
 
+static void linkwatch_do_dev(struct net_device *dev)
+{
+	/*
+	 * Make sure the above read is complete since it can be
+	 * rewritten as soon as we clear the bit below.
+	 */
+	smp_mb__before_clear_bit();
+
+	/* We are about to handle this device,
+	 * so new events can be accepted
+	 */
+	clear_bit(__LINK_STATE_LINKWATCH_PENDING, &dev->state);
+
+	rfc2863_policy(dev);
+	if (dev->flags & IFF_UP) {
+		if (netif_carrier_ok(dev))
+			dev_activate(dev);
+		else
+			dev_deactivate(dev);
+
+		netdev_state_change(dev);
+	}
+	dev_put(dev);
+}
+
 static void __linkwatch_run_queue(int urgent_only)
 {
-	struct net_device *next;
+	struct net_device *dev;
+	LIST_HEAD(wrk);
 
 	/*
 	 * Limit the number of linkwatch events to one
@@ -153,46 +181,40 @@ static void __linkwatch_run_queue(int urgent_only)
 	clear_bit(LW_URGENT, &linkwatch_flags);
 
 	spin_lock_irq(&lweventlist_lock);
-	next = lweventlist;
-	lweventlist = NULL;
-	spin_unlock_irq(&lweventlist_lock);
+	list_splice_init(&lweventlist, &wrk);
 
-	while (next) {
-		struct net_device *dev = next;
+	while (!list_empty(&wrk)) {
 
-		next = dev->link_watch_next;
+		dev = list_first_entry(&wrk, struct net_device, link_watch_list);
+		list_del_init(&dev->link_watch_list);
 
 		if (urgent_only && !linkwatch_urgent_event(dev)) {
-			linkwatch_add_event(dev);
+			list_add_tail(&dev->link_watch_list, &lweventlist);
 			continue;
 		}
-
-		/*
-		 * Make sure the above read is complete since it can be
-		 * rewritten as soon as we clear the bit below.
-		 */
-		smp_mb__before_clear_bit();
-
-		/* We are about to handle this device,
-		 * so new events can be accepted
-		 */
-		clear_bit(__LINK_STATE_LINKWATCH_PENDING, &dev->state);
-
-		rfc2863_policy(dev);
-		if (dev->flags & IFF_UP) {
-			if (netif_carrier_ok(dev))
-				dev_activate(dev);
-			else
-				dev_deactivate(dev);
-
-			netdev_state_change(dev);
-		}
-
-		dev_put(dev);
+		spin_unlock_irq(&lweventlist_lock);
+		linkwatch_do_dev(dev);
+		spin_lock_irq(&lweventlist_lock);
 	}
 
-	if (lweventlist)
+	if (!list_empty(&lweventlist))
 		linkwatch_schedule_work(0);
+	spin_unlock_irq(&lweventlist_lock);
+}
+
+void linkwatch_forget_dev(struct net_device *dev)
+{
+	unsigned long flags;
+	int clean = 0;
+
+	spin_lock_irqsave(&lweventlist_lock, flags);
+	if (!list_empty(&dev->link_watch_list)) {
+		list_del_init(&dev->link_watch_list);
+		clean = 1;
+	}
+	spin_unlock_irqrestore(&lweventlist_lock, flags);
+	if (clean)
+		linkwatch_do_dev(dev);
 }
 
 
@@ -216,8 +238,6 @@ void linkwatch_fire_event(struct net_device *dev)
 	bool urgent = linkwatch_urgent_event(dev);
 
 	if (!test_and_set_bit(__LINK_STATE_LINKWATCH_PENDING, &dev->state)) {
-		dev_hold(dev);
-
 		linkwatch_add_event(dev);
 	} else if (!urgent)
 		return;
-- 
GitLab


From 9a4e328eb2bfa23b160558cff96e17ffa65ea5cf Mon Sep 17 00:00:00 2001
From: Vladislav Zolotarov <vladz@broadcom.com>
Date: Tue, 17 Nov 2009 06:16:35 +0000
Subject: [PATCH 1316/1815] bnx2x: Don't set netdev->trans_start

Setting dev->trans_start caused spurious watchdog warnings.

Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2x_main.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index bdecd42d2b2..77ba13520d8 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -2557,7 +2557,6 @@ static void bnx2x_e1h_disable(struct bnx2x *bp)
 	int port = BP_PORT(bp);
 
 	netif_tx_disable(bp->dev);
-	bp->dev->trans_start = jiffies;	/* prevent tx timeout */
 
 	REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
 
@@ -7098,7 +7097,6 @@ static void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw)
 	bnx2x_int_disable_sync(bp, disable_hw);
 	bnx2x_napi_disable(bp);
 	netif_tx_disable(bp->dev);
-	bp->dev->trans_start = jiffies;	/* prevent tx timeout */
 }
 
 /*
@@ -10282,7 +10280,6 @@ static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
 
 	num_pkts++;
 	fp_tx->tx_bd_prod += 2; /* start + pbd */
-	bp->dev->trans_start = jiffies;
 
 	udelay(100);
 
-- 
GitLab


From 615534bc490606685621d63a40c0670d0f049d86 Mon Sep 17 00:00:00 2001
From: Christian Pellegrin <chripell@fsfe.org>
Date: Tue, 17 Nov 2009 06:20:44 +0000
Subject: [PATCH 1317/1815] can: fix setting mcp251x bit timing on open

Signed-off-by: Christian Pellegrin <chripell@fsfe.org>
Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/can/mcp251x.c | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/drivers/net/can/mcp251x.c b/drivers/net/can/mcp251x.c
index 8f48f4b50b7..78b1b69b292 100644
--- a/drivers/net/can/mcp251x.c
+++ b/drivers/net/can/mcp251x.c
@@ -594,13 +594,7 @@ static int mcp251x_do_set_bittiming(struct net_device *net)
 static int mcp251x_setup(struct net_device *net, struct mcp251x_priv *priv,
 			 struct spi_device *spi)
 {
-	int ret;
-
-	ret = open_candev(net);
-	if (ret) {
-		dev_err(&spi->dev, "unable to set initial baudrate!\n");
-		return ret;
-	}
+	mcp251x_do_set_bittiming(net);
 
 	/* Enable RX0->RX1 buffer roll over and disable filters */
 	mcp251x_write_bits(spi, RXBCTRL(0),
@@ -671,6 +665,12 @@ static int mcp251x_open(struct net_device *net)
 	struct mcp251x_platform_data *pdata = spi->dev.platform_data;
 	int ret;
 
+	ret = open_candev(net);
+	if (ret) {
+		dev_err(&spi->dev, "unable to set initial baudrate!\n");
+		return ret;
+	}
+
 	if (pdata->transceiver_enable)
 		pdata->transceiver_enable(1);
 
@@ -684,6 +684,7 @@ static int mcp251x_open(struct net_device *net)
 		dev_err(&spi->dev, "failed to acquire irq %d\n", spi->irq);
 		if (pdata->transceiver_enable)
 			pdata->transceiver_enable(0);
+		close_candev(net);
 		return ret;
 	}
 
@@ -692,8 +693,10 @@ static int mcp251x_open(struct net_device *net)
 	ret = mcp251x_setup(net, priv, spi);
 	if (ret) {
 		free_irq(spi->irq, net);
+		mcp251x_hw_sleep(spi);
 		if (pdata->transceiver_enable)
 			pdata->transceiver_enable(0);
+		close_candev(net);
 		return ret;
 	}
 	mcp251x_set_normal_mode(spi);
@@ -956,7 +959,6 @@ static int __devinit mcp251x_can_probe(struct spi_device *spi)
 	priv->can.bittiming_const = &mcp251x_bittiming_const;
 	priv->can.do_set_mode = mcp251x_do_set_mode;
 	priv->can.clock.freq = pdata->oscillator_frequency / 2;
-	priv->can.do_set_bittiming = mcp251x_do_set_bittiming;
 	priv->net = net;
 	dev_set_drvdata(&spi->dev, priv);
 
-- 
GitLab


From f99189b186f3922ede4fa33c02f6edc735b8c981 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 17 Nov 2009 10:42:49 +0000
Subject: [PATCH 1318/1815] netns: net_identifiers should be read_mostly

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bonding/bond_main.c         | 2 +-
 drivers/net/ppp_generic.c               | 2 +-
 drivers/net/pppoe.c                     | 2 +-
 drivers/net/pppol2tp.c                  | 2 +-
 net/8021q/vlan.c                        | 2 +-
 net/ipv4/ip_gre.c                       | 2 +-
 net/ipv4/ipip.c                         | 2 +-
 net/ipv6/ip6_tunnel.c                   | 2 +-
 net/ipv6/sit.c                          | 2 +-
 net/key/af_key.c                        | 2 +-
 net/netfilter/nf_conntrack_proto_dccp.c | 2 +-
 net/netfilter/nf_conntrack_proto_gre.c  | 2 +-
 net/phonet/pn_dev.c                     | 2 +-
 13 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index ecea6c29413..726bd755338 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -158,7 +158,7 @@ MODULE_PARM_DESC(fail_over_mac, "For active-backup, do not set all slaves to the
 static const char * const version =
 	DRV_DESCRIPTION ": v" DRV_VERSION " (" DRV_RELDATE ")\n";
 
-int bond_net_id;
+int bond_net_id __read_mostly;
 
 static __be32 arp_target[BOND_MAX_ARP_TARGETS];
 static int arp_ip_count;
diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c
index 965adb6174c..0a56a778af0 100644
--- a/drivers/net/ppp_generic.c
+++ b/drivers/net/ppp_generic.c
@@ -184,7 +184,7 @@ static atomic_t ppp_unit_count = ATOMIC_INIT(0);
 static atomic_t channel_count = ATOMIC_INIT(0);
 
 /* per-net private data for this module */
-static int ppp_net_id;
+static int ppp_net_id __read_mostly;
 struct ppp_net {
 	/* units to ppp mapping */
 	struct idr units_idr;
diff --git a/drivers/net/pppoe.c b/drivers/net/pppoe.c
index 60c8d233209..a1dcba255b0 100644
--- a/drivers/net/pppoe.c
+++ b/drivers/net/pppoe.c
@@ -97,7 +97,7 @@ static const struct proto_ops pppoe_ops;
 static struct ppp_channel_ops pppoe_chan_ops;
 
 /* per-net private data for this module */
-static int pppoe_net_id;
+static int pppoe_net_id __read_mostly;
 struct pppoe_net {
 	/*
 	 * we could use _single_ hash table for all
diff --git a/drivers/net/pppol2tp.c b/drivers/net/pppol2tp.c
index 849cc9c62c2..442c382c2c8 100644
--- a/drivers/net/pppol2tp.c
+++ b/drivers/net/pppol2tp.c
@@ -232,7 +232,7 @@ static struct ppp_channel_ops pppol2tp_chan_ops = { pppol2tp_xmit , NULL };
 static const struct proto_ops pppol2tp_ops;
 
 /* per-net private data for this module */
-static int pppol2tp_net_id;
+static int pppol2tp_net_id __read_mostly;
 struct pppol2tp_net {
 	struct list_head pppol2tp_tunnel_list;
 	rwlock_t pppol2tp_tunnel_list_lock;
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 39f8d012010..d9cb020029b 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -41,7 +41,7 @@
 
 /* Global VLAN variables */
 
-int vlan_net_id;
+int vlan_net_id __read_mostly;
 
 /* Our listing of VLAN group(s) */
 static struct hlist_head vlan_group_hash[VLAN_GRP_HASH_SIZE];
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index a7de9e3a8f1..c5f6af5d0f3 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -125,7 +125,7 @@ static int ipgre_tunnel_bind_dev(struct net_device *dev);
 
 #define HASH_SIZE  16
 
-static int ipgre_net_id;
+static int ipgre_net_id __read_mostly;
 struct ipgre_net {
 	struct ip_tunnel *tunnels[4][HASH_SIZE];
 
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index c5b1f71c3cd..7242ffcc44e 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -119,7 +119,7 @@
 #define HASH_SIZE  16
 #define HASH(addr) (((__force u32)addr^((__force u32)addr>>4))&0xF)
 
-static int ipip_net_id;
+static int ipip_net_id __read_mostly;
 struct ipip_net {
 	struct ip_tunnel *tunnels_r_l[HASH_SIZE];
 	struct ip_tunnel *tunnels_r[HASH_SIZE];
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 1d614113a4b..e5c0f6bb831 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -78,7 +78,7 @@ static void ip6_fb_tnl_dev_init(struct net_device *dev);
 static void ip6_tnl_dev_init(struct net_device *dev);
 static void ip6_tnl_dev_setup(struct net_device *dev);
 
-static int ip6_tnl_net_id;
+static int ip6_tnl_net_id __read_mostly;
 struct ip6_tnl_net {
 	/* the IPv6 tunnel fallback device */
 	struct net_device *fb_tnl_dev;
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index b6e145a673a..d9deaa7753e 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -66,7 +66,7 @@ static void ipip6_fb_tunnel_init(struct net_device *dev);
 static void ipip6_tunnel_init(struct net_device *dev);
 static void ipip6_tunnel_setup(struct net_device *dev);
 
-static int sit_net_id;
+static int sit_net_id __read_mostly;
 struct sit_net {
 	struct ip_tunnel *tunnels_r_l[HASH_SIZE];
 	struct ip_tunnel *tunnels_r[HASH_SIZE];
diff --git a/net/key/af_key.c b/net/key/af_key.c
index 86b2c22d091..478c8b32a5f 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -35,7 +35,7 @@
 #define _X2KEY(x) ((x) == XFRM_INF ? 0 : (x))
 #define _KEY2X(x) ((x) == 0 ? XFRM_INF : (x))
 
-static int pfkey_net_id;
+static int pfkey_net_id __read_mostly;
 struct netns_pfkey {
 	/* List of all pfkey sockets. */
 	struct hlist_head table;
diff --git a/net/netfilter/nf_conntrack_proto_dccp.c b/net/netfilter/nf_conntrack_proto_dccp.c
index 1b816a2ea81..80abdf297b3 100644
--- a/net/netfilter/nf_conntrack_proto_dccp.c
+++ b/net/netfilter/nf_conntrack_proto_dccp.c
@@ -384,7 +384,7 @@ dccp_state_table[CT_DCCP_ROLE_MAX + 1][DCCP_PKT_SYNCACK + 1][CT_DCCP_MAX + 1] =
 };
 
 /* this module per-net specifics */
-static int dccp_net_id;
+static int dccp_net_id __read_mostly;
 struct dccp_net {
 	int dccp_loose;
 	unsigned int dccp_timeout[CT_DCCP_MAX + 1];
diff --git a/net/netfilter/nf_conntrack_proto_gre.c b/net/netfilter/nf_conntrack_proto_gre.c
index a54a0af0edb..91d0e719d67 100644
--- a/net/netfilter/nf_conntrack_proto_gre.c
+++ b/net/netfilter/nf_conntrack_proto_gre.c
@@ -43,7 +43,7 @@
 #define GRE_TIMEOUT		(30 * HZ)
 #define GRE_STREAM_TIMEOUT	(180 * HZ)
 
-static int proto_gre_net_id;
+static int proto_gre_net_id __read_mostly;
 struct netns_proto_gre {
 	rwlock_t		keymap_lock;
 	struct list_head	keymap_list;
diff --git a/net/phonet/pn_dev.c b/net/phonet/pn_dev.c
index 3287f8f0b5c..d5ad7947d77 100644
--- a/net/phonet/pn_dev.c
+++ b/net/phonet/pn_dev.c
@@ -43,7 +43,7 @@ struct phonet_net {
 	struct phonet_routes routes;
 };
 
-int phonet_net_id;
+int phonet_net_id __read_mostly;
 
 struct phonet_device_list *phonet_device_list(struct net *net)
 {
-- 
GitLab


From 63ae93a19094d88c8ca62543586b20e3a7ff7637 Mon Sep 17 00:00:00 2001
From: Ron Mercer <ron.mercer@qlogic.com>
Date: Tue, 17 Nov 2009 11:10:40 +0000
Subject: [PATCH 1319/1815] qlge: Bonding fix for mode 6.

Allow MAC address to be changed even if device is not up.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/qlge/qlge_main.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index e2ee47d9bca..7692299e782 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -3951,9 +3951,6 @@ static int qlge_set_mac_address(struct net_device *ndev, void *p)
 	struct sockaddr *addr = p;
 	int status;
 
-	if (netif_running(ndev))
-		return -EBUSY;
-
 	if (!is_valid_ether_addr(addr->sa_data))
 		return -EADDRNOTAVAIL;
 	memcpy(ndev->dev_addr, addr->sa_data, ndev->addr_len);
-- 
GitLab


From 7adcdb4c1142dc446ab9d4c51ab09cc87e0749c9 Mon Sep 17 00:00:00 2001
From: Andrew Morton <akpm@linux-foundation.org>
Date: Tue, 17 Nov 2009 12:46:44 +0000
Subject: [PATCH 1320/1815] drivers/atm/solos-pci.c: fix warning/bug, clean up
 code

drivers/atm/solos-pci.c: In function 'flash_upgrade':
drivers/atm/solos-pci.c:528: warning: 'fw_name' may be used uninitialized in this function

Cc: Chas Williams <chas@cmf.nrl.navy.mil>
Cc: David Woodhouse <David.Woodhouse@intel.com>
Cc: Nathan Williams <nathan@traverse.com.au>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-By: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/atm/solos-pci.c | 29 ++++++++++++++++-------------
 1 file changed, 16 insertions(+), 13 deletions(-)

diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c
index d7ad19d2603..51eed679a05 100644
--- a/drivers/atm/solos-pci.c
+++ b/drivers/atm/solos-pci.c
@@ -531,34 +531,37 @@ static int flash_upgrade(struct solos_card *card, int chip)
 	int numblocks = 0;
 	int offset;
 
-	if (chip == 0) {
+	switch (chip) {
+	case 0:
 		fw_name = "solos-FPGA.bin";
 		blocksize = FPGA_BLOCK;
-	} 
-	
-	if (chip == 1) {
+		break;
+	case 1:
 		fw_name = "solos-Firmware.bin";
 		blocksize = SOLOS_BLOCK;
-	}
-	
-	if (chip == 2){
+		break;
+	case 2:
 		if (card->fpga_version > LEGACY_BUFFERS){
 			fw_name = "solos-db-FPGA.bin";
 			blocksize = FPGA_BLOCK;
 		} else {
-			dev_info(&card->dev->dev, "FPGA version doesn't support daughter board upgrades\n");
+			dev_info(&card->dev->dev, "FPGA version doesn't support"
+					" daughter board upgrades\n");
 			return -EPERM;
 		}
-	}
-	
-	if (chip == 3){
+		break;
+	case 3:
 		if (card->fpga_version > LEGACY_BUFFERS){
 			fw_name = "solos-Firmware.bin";
 			blocksize = SOLOS_BLOCK;
 		} else {
-		dev_info(&card->dev->dev, "FPGA version doesn't support daughter board upgrades\n");
-		return -EPERM;
+			dev_info(&card->dev->dev, "FPGA version doesn't support"
+					" daughter board upgrades\n");
+			return -EPERM;
 		}
+		break;
+	default:
+		return -ENODEV;
 	}
 
 	if (request_firmware(&fw, fw_name, &card->dev->dev))
-- 
GitLab


From d90310243fd750240755e217c5faa13e24f41536 Mon Sep 17 00:00:00 2001
From: Octavian Purdila <opurdila@ixiacom.com>
Date: Wed, 18 Nov 2009 02:36:59 +0000
Subject: [PATCH 1321/1815] net: device name allocation cleanups

Signed-off-by: Octavian Purdila <opurdila@ixiacom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/dev.c | 69 ++++++++++++++++++--------------------------------
 1 file changed, 24 insertions(+), 45 deletions(-)

diff --git a/net/core/dev.c b/net/core/dev.c
index c128af708eb..9977288583b 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -893,7 +893,8 @@ static int __dev_alloc_name(struct net *net, const char *name, char *buf)
 		free_page((unsigned long) inuse);
 	}
 
-	snprintf(buf, IFNAMSIZ, name, i);
+	if (buf != name)
+		snprintf(buf, IFNAMSIZ, name, i);
 	if (!__dev_get_by_name(net, buf))
 		return i;
 
@@ -933,6 +934,21 @@ int dev_alloc_name(struct net_device *dev, const char *name)
 }
 EXPORT_SYMBOL(dev_alloc_name);
 
+static int dev_get_valid_name(struct net *net, const char *name, char *buf,
+			      bool fmt)
+{
+	if (!dev_valid_name(name))
+		return -EINVAL;
+
+	if (fmt && strchr(name, '%'))
+		return __dev_alloc_name(net, name, buf);
+	else if (__dev_get_by_name(net, name))
+		return -EEXIST;
+	else if (buf != name)
+		strlcpy(buf, name, IFNAMSIZ);
+
+	return 0;
+}
 
 /**
  *	dev_change_name - change name of a device
@@ -956,22 +972,14 @@ int dev_change_name(struct net_device *dev, const char *newname)
 	if (dev->flags & IFF_UP)
 		return -EBUSY;
 
-	if (!dev_valid_name(newname))
-		return -EINVAL;
-
 	if (strncmp(newname, dev->name, IFNAMSIZ) == 0)
 		return 0;
 
 	memcpy(oldname, dev->name, IFNAMSIZ);
 
-	if (strchr(newname, '%')) {
-		err = dev_alloc_name(dev, newname);
-		if (err < 0)
-			return err;
-	} else if (__dev_get_by_name(net, newname))
-		return -EEXIST;
-	else
-		strlcpy(dev->name, newname, IFNAMSIZ);
+	err = dev_get_valid_name(net, newname, dev->name, 1);
+	if (err < 0)
+		return err;
 
 rollback:
 	/* For now only devices in the initial network namespace
@@ -4883,8 +4891,6 @@ EXPORT_SYMBOL(netdev_fix_features);
 
 int register_netdevice(struct net_device *dev)
 {
-	struct hlist_head *head;
-	struct hlist_node *p;
 	int ret;
 	struct net *net = dev_net(dev);
 
@@ -4913,26 +4919,14 @@ int register_netdevice(struct net_device *dev)
 		}
 	}
 
-	if (!dev_valid_name(dev->name)) {
-		ret = -EINVAL;
+	ret = dev_get_valid_name(net, dev->name, dev->name, 0);
+	if (ret)
 		goto err_uninit;
-	}
 
 	dev->ifindex = dev_new_index(net);
 	if (dev->iflink == -1)
 		dev->iflink = dev->ifindex;
 
-	/* Check for existence of name */
-	head = dev_name_hash(net, dev->name);
-	hlist_for_each(p, head) {
-		struct net_device *d
-			= hlist_entry(p, struct net_device, name_hlist);
-		if (!strncmp(d->name, dev->name, IFNAMSIZ)) {
-			ret = -EEXIST;
-			goto err_uninit;
-		}
-	}
-
 	/* Fix illegal checksum combinations */
 	if ((dev->features & NETIF_F_HW_CSUM) &&
 	    (dev->features & (NETIF_F_IP_CSUM|NETIF_F_IPV6_CSUM))) {
@@ -5460,8 +5454,6 @@ EXPORT_SYMBOL(unregister_netdev);
 
 int dev_change_net_namespace(struct net_device *dev, struct net *net, const char *pat)
 {
-	char buf[IFNAMSIZ];
-	const char *destname;
 	int err;
 
 	ASSERT_RTNL();
@@ -5494,20 +5486,11 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
 	 * we can use it in the destination network namespace.
 	 */
 	err = -EEXIST;
-	destname = dev->name;
-	if (__dev_get_by_name(net, destname)) {
+	if (__dev_get_by_name(net, dev->name)) {
 		/* We get here if we can't use the current device name */
 		if (!pat)
 			goto out;
-		if (!dev_valid_name(pat))
-			goto out;
-		if (strchr(pat, '%')) {
-			if (__dev_alloc_name(net, pat, buf) < 0)
-				goto out;
-			destname = buf;
-		} else
-			destname = pat;
-		if (__dev_get_by_name(net, destname))
+		if (dev_get_valid_name(net, pat, dev->name, 1))
 			goto out;
 	}
 
@@ -5544,10 +5527,6 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
 	/* Actually switch the network namespace */
 	dev_net_set(dev, net);
 
-	/* Assign the new device name */
-	if (destname != dev->name)
-		strcpy(dev->name, destname);
-
 	/* If there is an ifindex conflict assign a new one */
 	if (__dev_get_by_index(net, dev->ifindex)) {
 		int iflink = (dev->iflink == dev->ifindex);
-- 
GitLab


From eeb74a9d45f781ec6f47b9e0a75a6a427b53f165 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Denis-Courmont?= <remi.denis-courmont@nokia.com>
Date: Wed, 18 Nov 2009 10:08:26 -0800
Subject: [PATCH 1322/1815] Phonet: convert devices list to RCU
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/phonet/pn_dev.h |  2 +-
 net/phonet/pn_dev.c         | 63 ++++++++++++++++++++++++-------------
 net/phonet/pn_netlink.c     |  6 ++--
 3 files changed, 45 insertions(+), 26 deletions(-)

diff --git a/include/net/phonet/pn_dev.h b/include/net/phonet/pn_dev.h
index afa7defceb1..d7b989ca3d6 100644
--- a/include/net/phonet/pn_dev.h
+++ b/include/net/phonet/pn_dev.h
@@ -25,7 +25,7 @@
 
 struct phonet_device_list {
 	struct list_head list;
-	spinlock_t lock;
+	struct mutex lock;
 };
 
 struct phonet_device_list *phonet_device_list(struct net *net);
diff --git a/net/phonet/pn_dev.c b/net/phonet/pn_dev.c
index d5ad7947d77..d87388c94b0 100644
--- a/net/phonet/pn_dev.c
+++ b/net/phonet/pn_dev.c
@@ -61,7 +61,8 @@ static struct phonet_device *__phonet_device_alloc(struct net_device *dev)
 	pnd->netdev = dev;
 	bitmap_zero(pnd->addrs, 64);
 
-	list_add(&pnd->list, &pndevs->list);
+	BUG_ON(!mutex_is_locked(&pndevs->lock));
+	list_add_rcu(&pnd->list, &pndevs->list);
 	return pnd;
 }
 
@@ -70,6 +71,7 @@ static struct phonet_device *__phonet_get(struct net_device *dev)
 	struct phonet_device_list *pndevs = phonet_device_list(dev_net(dev));
 	struct phonet_device *pnd;
 
+	BUG_ON(!mutex_is_locked(&pndevs->lock));
 	list_for_each_entry(pnd, &pndevs->list, list) {
 		if (pnd->netdev == dev)
 			return pnd;
@@ -77,6 +79,18 @@ static struct phonet_device *__phonet_get(struct net_device *dev)
 	return NULL;
 }
 
+static struct phonet_device *__phonet_get_rcu(struct net_device *dev)
+{
+	struct phonet_device_list *pndevs = phonet_device_list(dev_net(dev));
+	struct phonet_device *pnd;
+
+	list_for_each_entry_rcu(pnd, &pndevs->list, list) {
+		if (pnd->netdev == dev)
+			return pnd;
+	}
+	return NULL;
+}
+
 static void phonet_device_destroy(struct net_device *dev)
 {
 	struct phonet_device_list *pndevs = phonet_device_list(dev_net(dev));
@@ -84,11 +98,11 @@ static void phonet_device_destroy(struct net_device *dev)
 
 	ASSERT_RTNL();
 
-	spin_lock_bh(&pndevs->lock);
+	mutex_lock(&pndevs->lock);
 	pnd = __phonet_get(dev);
 	if (pnd)
-		list_del(&pnd->list);
-	spin_unlock_bh(&pndevs->lock);
+		list_del_rcu(&pnd->list);
+	mutex_unlock(&pndevs->lock);
 
 	if (pnd) {
 		u8 addr;
@@ -106,8 +120,8 @@ struct net_device *phonet_device_get(struct net *net)
 	struct phonet_device *pnd;
 	struct net_device *dev = NULL;
 
-	spin_lock_bh(&pndevs->lock);
-	list_for_each_entry(pnd, &pndevs->list, list) {
+	rcu_read_lock();
+	list_for_each_entry_rcu(pnd, &pndevs->list, list) {
 		dev = pnd->netdev;
 		BUG_ON(!dev);
 
@@ -118,7 +132,7 @@ struct net_device *phonet_device_get(struct net *net)
 	}
 	if (dev)
 		dev_hold(dev);
-	spin_unlock_bh(&pndevs->lock);
+	rcu_read_unlock();
 	return dev;
 }
 
@@ -128,7 +142,7 @@ int phonet_address_add(struct net_device *dev, u8 addr)
 	struct phonet_device *pnd;
 	int err = 0;
 
-	spin_lock_bh(&pndevs->lock);
+	mutex_lock(&pndevs->lock);
 	/* Find or create Phonet-specific device data */
 	pnd = __phonet_get(dev);
 	if (pnd == NULL)
@@ -137,7 +151,7 @@ int phonet_address_add(struct net_device *dev, u8 addr)
 		err = -ENOMEM;
 	else if (test_and_set_bit(addr >> 2, pnd->addrs))
 		err = -EEXIST;
-	spin_unlock_bh(&pndevs->lock);
+	mutex_unlock(&pndevs->lock);
 	return err;
 }
 
@@ -147,27 +161,32 @@ int phonet_address_del(struct net_device *dev, u8 addr)
 	struct phonet_device *pnd;
 	int err = 0;
 
-	spin_lock_bh(&pndevs->lock);
+	mutex_lock(&pndevs->lock);
 	pnd = __phonet_get(dev);
-	if (!pnd || !test_and_clear_bit(addr >> 2, pnd->addrs))
+	if (!pnd || !test_and_clear_bit(addr >> 2, pnd->addrs)) {
 		err = -EADDRNOTAVAIL;
-	else if (bitmap_empty(pnd->addrs, 64)) {
-		list_del(&pnd->list);
+		pnd = NULL;
+	} else if (bitmap_empty(pnd->addrs, 64))
+		list_del_rcu(&pnd->list);
+	else
+		pnd = NULL;
+	mutex_unlock(&pndevs->lock);
+
+	if (pnd) {
+		synchronize_rcu();
 		kfree(pnd);
 	}
-	spin_unlock_bh(&pndevs->lock);
 	return err;
 }
 
 /* Gets a source address toward a destination, through a interface. */
 u8 phonet_address_get(struct net_device *dev, u8 daddr)
 {
-	struct phonet_device_list *pndevs = phonet_device_list(dev_net(dev));
 	struct phonet_device *pnd;
 	u8 saddr;
 
-	spin_lock_bh(&pndevs->lock);
-	pnd = __phonet_get(dev);
+	rcu_read_lock();
+	pnd = __phonet_get_rcu(dev);
 	if (pnd) {
 		BUG_ON(bitmap_empty(pnd->addrs, 64));
 
@@ -178,7 +197,7 @@ u8 phonet_address_get(struct net_device *dev, u8 daddr)
 			saddr = find_first_bit(pnd->addrs, 64) << 2;
 	} else
 		saddr = PN_NO_ADDR;
-	spin_unlock_bh(&pndevs->lock);
+	rcu_read_unlock();
 
 	if (saddr == PN_NO_ADDR) {
 		/* Fallback to another device */
@@ -200,8 +219,8 @@ int phonet_address_lookup(struct net *net, u8 addr)
 	struct phonet_device *pnd;
 	int err = -EADDRNOTAVAIL;
 
-	spin_lock_bh(&pndevs->lock);
-	list_for_each_entry(pnd, &pndevs->list, list) {
+	rcu_read_lock();
+	list_for_each_entry_rcu(pnd, &pndevs->list, list) {
 		/* Don't allow unregistering devices! */
 		if ((pnd->netdev->reg_state != NETREG_REGISTERED) ||
 				((pnd->netdev->flags & IFF_UP)) != IFF_UP)
@@ -213,7 +232,7 @@ int phonet_address_lookup(struct net *net, u8 addr)
 		}
 	}
 found:
-	spin_unlock_bh(&pndevs->lock);
+	rcu_read_unlock();
 	return err;
 }
 
@@ -304,7 +323,7 @@ static int phonet_init_net(struct net *net)
 	}
 
 	INIT_LIST_HEAD(&pnn->pndevs.list);
-	spin_lock_init(&pnn->pndevs.lock);
+	mutex_init(&pnn->pndevs.lock);
 	mutex_init(&pnn->routes.lock);
 	net_assign_generic(net, phonet_net_id, pnn);
 	return 0;
diff --git a/net/phonet/pn_netlink.c b/net/phonet/pn_netlink.c
index 609e509b369..2e6c7eb8e76 100644
--- a/net/phonet/pn_netlink.c
+++ b/net/phonet/pn_netlink.c
@@ -131,8 +131,8 @@ static int getaddr_dumpit(struct sk_buff *skb, struct netlink_callback *cb)
 	int addr_idx = 0, addr_start_idx = cb->args[1];
 
 	pndevs = phonet_device_list(sock_net(skb->sk));
-	spin_lock_bh(&pndevs->lock);
-	list_for_each_entry(pnd, &pndevs->list, list) {
+	rcu_read_lock();
+	list_for_each_entry_rcu(pnd, &pndevs->list, list) {
 		u8 addr;
 
 		if (dev_idx > dev_start_idx)
@@ -154,7 +154,7 @@ static int getaddr_dumpit(struct sk_buff *skb, struct netlink_callback *cb)
 	}
 
 out:
-	spin_unlock_bh(&pndevs->lock);
+	rcu_read_unlock();
 	cb->args[0] = dev_idx;
 	cb->args[1] = addr_idx;
 
-- 
GitLab


From 9aff7e922b852036d864d039ce13ae1e38418b73 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 18 Nov 2009 10:47:03 -0800
Subject: [PATCH 1323/1815] drivers/net/atl1c: remove exceptional & on function
 name

In this file, function names are otherwise used as pointers without &.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@r@
identifier f;
@@

f(...) { ... }

@@
identifier r.f;
@@

- &f
+ f
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/atl1c/atl1c_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/atl1c/atl1c_main.c b/drivers/net/atl1c/atl1c_main.c
index 5ef9e23435f..1e2f57d4c36 100644
--- a/drivers/net/atl1c/atl1c_main.c
+++ b/drivers/net/atl1c/atl1c_main.c
@@ -2135,7 +2135,7 @@ static int atl1c_request_irq(struct atl1c_adapter *adapter)
 
 	if (!adapter->have_msi)
 		flags |= IRQF_SHARED;
-	err = request_irq(adapter->pdev->irq, &atl1c_intr, flags,
+	err = request_irq(adapter->pdev->irq, atl1c_intr, flags,
 			netdev->name, netdev);
 	if (err) {
 		if (netif_msg_ifup(adapter))
-- 
GitLab


From 4c9ba61e9e0212fd79da9a26f7b3d47de4a56a24 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 18 Nov 2009 08:20:44 +0000
Subject: [PATCH 1324/1815] drivers/net/can: remove exceptional & on function
 name

In this file, function names are otherwise used as pointers without &.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@r@
identifier f;
@@

f(...) { ... }

@@
identifier r.f;
@@

- &f
+ f
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/can/sja1000/sja1000.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c
index 782a47fabf2..b4ba88a3107 100644
--- a/drivers/net/can/sja1000/sja1000.c
+++ b/drivers/net/can/sja1000/sja1000.c
@@ -516,7 +516,7 @@ static int sja1000_open(struct net_device *dev)
 
 	/* register interrupt handler, if not done by the device driver */
 	if (!(priv->flags & SJA1000_CUSTOM_IRQ_HANDLER)) {
-		err = request_irq(dev->irq, &sja1000_interrupt, priv->irq_flags,
+		err = request_irq(dev->irq, sja1000_interrupt, priv->irq_flags,
 				  dev->name, (void *)dev);
 		if (err) {
 			close_candev(dev);
-- 
GitLab


From dddcb445a33c80bca11a6566364935e681c85809 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 18 Nov 2009 08:21:04 +0000
Subject: [PATCH 1325/1815] drivers/net: remove exceptional & on function name

In this file, function names are otherwise used as pointers without &.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@r@
identifier f;
@@

f(...) { ... }

@@
identifier r.f;
@@

- &f
+ f
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethoc.c             | 2 +-
 drivers/net/pcmcia/fmvj18x_cs.c | 2 +-
 drivers/net/pcmcia/nmclan_cs.c  | 2 +-
 drivers/net/tokenring/3c359.c   | 3 +--
 drivers/net/tokenring/olympic.c | 4 ++--
 5 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethoc.c b/drivers/net/ethoc.c
index f1c565282d5..96b6dc42fc7 100644
--- a/drivers/net/ethoc.c
+++ b/drivers/net/ethoc.c
@@ -640,7 +640,7 @@ static int ethoc_mdio_probe(struct net_device *dev)
 		return -ENXIO;
 	}
 
-	phy = phy_connect(dev, dev_name(&phy->dev), &ethoc_mdio_poll, 0,
+	phy = phy_connect(dev, dev_name(&phy->dev), ethoc_mdio_poll, 0,
 			PHY_INTERFACE_MODE_GMII);
 	if (IS_ERR(phy)) {
 		dev_err(&dev->dev, "could not attach to PHY\n");
diff --git a/drivers/net/pcmcia/fmvj18x_cs.c b/drivers/net/pcmcia/fmvj18x_cs.c
index 7e01fbdb87e..57e09616330 100644
--- a/drivers/net/pcmcia/fmvj18x_cs.c
+++ b/drivers/net/pcmcia/fmvj18x_cs.c
@@ -264,7 +264,7 @@ static int fmvj18x_probe(struct pcmcia_device *link)
     /* Interrupt setup */
     link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING|IRQ_HANDLE_PRESENT;
     link->irq.IRQInfo1 = IRQ_LEVEL_ID;
-    link->irq.Handler = &fjn_interrupt;
+    link->irq.Handler = fjn_interrupt;
     link->irq.Instance = dev;
 
     /* General socket configuration */
diff --git a/drivers/net/pcmcia/nmclan_cs.c b/drivers/net/pcmcia/nmclan_cs.c
index 5ed6339c52b..b12e69592d1 100644
--- a/drivers/net/pcmcia/nmclan_cs.c
+++ b/drivers/net/pcmcia/nmclan_cs.c
@@ -479,7 +479,7 @@ static int nmclan_probe(struct pcmcia_device *link)
     link->io.IOAddrLines = 5;
     link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
     link->irq.IRQInfo1 = IRQ_LEVEL_ID;
-    link->irq.Handler = &mace_interrupt;
+    link->irq.Handler = mace_interrupt;
     link->irq.Instance = dev;
     link->conf.Attributes = CONF_ENABLE_IRQ;
     link->conf.IntType = INT_MEMORY_AND_IO;
diff --git a/drivers/net/tokenring/3c359.c b/drivers/net/tokenring/3c359.c
index 724158966ec..cf552d1d962 100644
--- a/drivers/net/tokenring/3c359.c
+++ b/drivers/net/tokenring/3c359.c
@@ -610,9 +610,8 @@ static int xl_open(struct net_device *dev)
 
 	u16 switchsettings, switchsettings_eeprom  ;
  
-	if(request_irq(dev->irq, &xl_interrupt, IRQF_SHARED , "3c359", dev)) {
+	if (request_irq(dev->irq, xl_interrupt, IRQF_SHARED , "3c359", dev))
 		return -EAGAIN;
-	}
 
 	/* 
 	 * Read the information from the EEPROM that we need.
diff --git a/drivers/net/tokenring/olympic.c b/drivers/net/tokenring/olympic.c
index d9ec7f0bbd0..df32025c513 100644
--- a/drivers/net/tokenring/olympic.c
+++ b/drivers/net/tokenring/olympic.c
@@ -445,9 +445,9 @@ static int olympic_open(struct net_device *dev)
 
 	olympic_init(dev);
 
-	if(request_irq(dev->irq, &olympic_interrupt, IRQF_SHARED , "olympic", dev)) {
+	if (request_irq(dev->irq, olympic_interrupt, IRQF_SHARED , "olympic",
+			dev))
 		return -EAGAIN;
-	}
 
 #if OLYMPIC_DEBUG
 	printk("BMCTL: %x\n",readl(olympic_mmio+BMCTL_SUM));
-- 
GitLab


From 90145c9cae26002ebfb61f6566f6f15ca448f5d3 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 18 Nov 2009 08:21:45 +0000
Subject: [PATCH 1326/1815] drivers/net/ipg.c: remove exceptional & on function
 name

In this file, function names are otherwise used as pointers without &.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@r@
identifier f;
@@

f(...) { ... }

@@
identifier r.f;
@@

- &f
+ f
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ipg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ipg.c b/drivers/net/ipg.c
index 63056e7b9e2..ba8d246d05a 100644
--- a/drivers/net/ipg.c
+++ b/drivers/net/ipg.c
@@ -1751,7 +1751,7 @@ static int ipg_nic_open(struct net_device *dev)
 	/* Register the interrupt line to be used by the IPG within
 	 * the Linux system.
 	 */
-	rc = request_irq(pdev->irq, &ipg_interrupt_handler, IRQF_SHARED,
+	rc = request_irq(pdev->irq, ipg_interrupt_handler, IRQF_SHARED,
 			 dev->name, dev);
 	if (rc < 0) {
 		printk(KERN_INFO "%s: Error when requesting interrupt.\n",
-- 
GitLab


From 6cc93183eef9ba0eb6e9989c2e3744904287a95e Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 18 Nov 2009 08:22:05 +0000
Subject: [PATCH 1327/1815] drivers/net/irda: remove exceptional & on function
 name

In this file, function names are otherwise used as pointers without &.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@r@
identifier f;
@@

f(...) { ... }

@@
identifier r.f;
@@

- &f
+ f
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/irda/irda-usb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/irda/irda-usb.c b/drivers/net/irda/irda-usb.c
index 215adf6377d..ae6eab3e5ee 100644
--- a/drivers/net/irda/irda-usb.c
+++ b/drivers/net/irda/irda-usb.c
@@ -852,7 +852,7 @@ static void irda_usb_receive(struct urb *urb)
 		 * hot unplug of the dongle...
 		 * Lowest effective timer is 10ms...
 		 * Jean II */
-		self->rx_defer_timer.function = &irda_usb_rx_defer_expired;
+		self->rx_defer_timer.function = irda_usb_rx_defer_expired;
 		self->rx_defer_timer.data = (unsigned long) urb;
 		mod_timer(&self->rx_defer_timer, jiffies + (10 * HZ / 1000));
 		return;
-- 
GitLab


From c2f379b2f8cf59e6bff4d028949a0273732460aa Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 18 Nov 2009 08:22:44 +0000
Subject: [PATCH 1328/1815] drivers/net/pppol2tp.c: remove exceptional & on
 function name

In this file, function names are otherwise used as pointers without &.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@r@
identifier f;
@@

f(...) { ... }

@@
identifier r.f;
@@

- &f
+ f
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/pppol2tp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/pppol2tp.c b/drivers/net/pppol2tp.c
index 442c382c2c8..c58b50f8ba3 100644
--- a/drivers/net/pppol2tp.c
+++ b/drivers/net/pppol2tp.c
@@ -1537,7 +1537,7 @@ static struct sock *pppol2tp_prepare_tunnel_socket(struct net *net,
 	 * if the tunnel socket goes away.
 	 */
 	tunnel->old_sk_destruct = sk->sk_destruct;
-	sk->sk_destruct = &pppol2tp_tunnel_destruct;
+	sk->sk_destruct = pppol2tp_tunnel_destruct;
 
 	tunnel->sock = sk;
 	sk->sk_allocation = GFP_ATOMIC;
-- 
GitLab


From 91dcbf36f77c3d563e844fe0ed52ae896654ca7c Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 18 Nov 2009 08:23:00 +0000
Subject: [PATCH 1329/1815] drivers/net/r6040.c: remove exceptional & on
 function name

In this file, function names are otherwise used as pointers without &.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@r@
identifier f;
@@

f(...) { ... }

@@
identifier r.f;
@@

- &f
+ f
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/r6040.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/r6040.c b/drivers/net/r6040.c
index 8b14c6eda7c..0f30ea4e97e 100644
--- a/drivers/net/r6040.c
+++ b/drivers/net/r6040.c
@@ -842,7 +842,7 @@ static int r6040_open(struct net_device *dev)
 	int ret;
 
 	/* Request IRQ and Register interrupt handler */
-	ret = request_irq(dev->irq, &r6040_interrupt,
+	ret = request_irq(dev->irq, r6040_interrupt,
 		IRQF_SHARED, dev->name, dev);
 	if (ret)
 		return ret;
-- 
GitLab


From a974a679d252ed9629061b2a29dc639f4557ca70 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 18 Nov 2009 08:23:17 +0000
Subject: [PATCH 1330/1815] drivers/net/smsc9420.c: remove exceptional & on
 function name

In this file, function names are otherwise used as pointers without &.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@r@
identifier f;
@@

f(...) { ... }

@@
identifier r.f;
@@

- &f
+ f
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/smsc9420.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/smsc9420.c b/drivers/net/smsc9420.c
index b4909a2dec6..92e2bbe6b49 100644
--- a/drivers/net/smsc9420.c
+++ b/drivers/net/smsc9420.c
@@ -1161,7 +1161,7 @@ static int smsc9420_mii_probe(struct net_device *dev)
 		phydev->phy_id);
 
 	phydev = phy_connect(dev, dev_name(&phydev->dev),
-		&smsc9420_phy_adjust_link, 0, PHY_INTERFACE_MODE_MII);
+		smsc9420_phy_adjust_link, 0, PHY_INTERFACE_MODE_MII);
 
 	if (IS_ERR(phydev)) {
 		pr_err("%s: Could not attach to PHY\n", dev->name);
-- 
GitLab


From aa36ab8edb8a7e7be1f4cf99d0743e58e6249fb0 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 18 Nov 2009 08:23:34 +0000
Subject: [PATCH 1331/1815] drivers/net/typhoon.c: remove exceptional & on
 function name

In this file, function names are otherwise used as pointers without &.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@r@
identifier f;
@@

f(...) { ... }

@@
identifier r.f;
@@

- &f
+ f
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/typhoon.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/typhoon.c b/drivers/net/typhoon.c
index d6d345229fe..4b754102442 100644
--- a/drivers/net/typhoon.c
+++ b/drivers/net/typhoon.c
@@ -2150,7 +2150,7 @@ typhoon_open(struct net_device *dev)
 		goto out_sleep;
 	}
 
-	err = request_irq(dev->irq, &typhoon_interrupt, IRQF_SHARED,
+	err = request_irq(dev->irq, typhoon_interrupt, IRQF_SHARED,
 				dev->name, dev);
 	if(err < 0)
 		goto out_sleep;
-- 
GitLab


From 767813828f262679f1d9ed04deefb2e2f0768d7d Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 18 Nov 2009 08:23:53 +0000
Subject: [PATCH 1332/1815] drivers/net/via-rhine.c: remove exceptional & on
 function name

In this file, function names are otherwise used as pointers without &.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@r@
identifier f;
@@

f(...) { ... }

@@
identifier r.f;
@@

- &f
+ f
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/via-rhine.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/via-rhine.c b/drivers/net/via-rhine.c
index 4535e89dfff..ec94ddf01f5 100644
--- a/drivers/net/via-rhine.c
+++ b/drivers/net/via-rhine.c
@@ -1150,7 +1150,7 @@ static int rhine_open(struct net_device *dev)
 	void __iomem *ioaddr = rp->base;
 	int rc;
 
-	rc = request_irq(rp->pdev->irq, &rhine_interrupt, IRQF_SHARED, dev->name,
+	rc = request_irq(rp->pdev->irq, rhine_interrupt, IRQF_SHARED, dev->name,
 			dev);
 	if (rc)
 		return rc;
-- 
GitLab


From 1ede9b52fa911c9a523cf6bc40b5a2b134db957c Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 18 Nov 2009 08:24:13 +0000
Subject: [PATCH 1333/1815] drivers/net/via-velocity.c: remove exceptional & on
 function name

In this file, function names are otherwise used as pointers without &.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@r@
identifier f;
@@

f(...) { ... }

@@
identifier r.f;
@@

- &f
+ f
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/via-velocity.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index 158f411bd55..1e6b395c555 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -2176,7 +2176,7 @@ static int velocity_open(struct net_device *dev)
 
 	velocity_init_registers(vptr, VELOCITY_INIT_COLD);
 
-	ret = request_irq(vptr->pdev->irq, &velocity_intr, IRQF_SHARED,
+	ret = request_irq(vptr->pdev->irq, velocity_intr, IRQF_SHARED,
 			  dev->name, dev);
 	if (ret < 0) {
 		/* Power down the chip */
-- 
GitLab


From d8bda9f12d5db160b594ce36659434620e19a363 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 18 Nov 2009 08:24:30 +0000
Subject: [PATCH 1334/1815] drivers/net/wan: remove exceptional & on function
 name

In this file, function names are otherwise used as pointers without &.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@r@
identifier f;
@@

f(...) { ... }

@@
identifier r.f;
@@

- &f
+ f
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/wan/dscc4.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wan/dscc4.c b/drivers/net/wan/dscc4.c
index 81c8aec9df9..63a010252a3 100644
--- a/drivers/net/wan/dscc4.c
+++ b/drivers/net/wan/dscc4.c
@@ -1127,7 +1127,7 @@ done:
         init_timer(&dpriv->timer);
         dpriv->timer.expires = jiffies + 10*HZ;
         dpriv->timer.data = (unsigned long)dev;
-        dpriv->timer.function = &dscc4_timer;
+	dpriv->timer.function = dscc4_timer;
         add_timer(&dpriv->timer);
 	netif_carrier_on(dev);
 
-- 
GitLab


From fe4eb54845fff09ec01b8421f53f92e08b67229c Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 18 Nov 2009 08:24:50 +0000
Subject: [PATCH 1335/1815] drivers/net/adm8211.c: remove exceptional & on
 function name

In this file, function names are otherwise used as pointers without &.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@r@
identifier f;
@@

f(...) { ... }

@@
identifier r.f;
@@

- &f
+ f
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/wireless/adm8211.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/adm8211.c b/drivers/net/wireless/adm8211.c
index b80f514877d..39410016b4f 100644
--- a/drivers/net/wireless/adm8211.c
+++ b/drivers/net/wireless/adm8211.c
@@ -1538,7 +1538,7 @@ static int adm8211_start(struct ieee80211_hw *dev)
 	adm8211_hw_init(dev);
 	adm8211_rf_set_channel(dev, priv->channel);
 
-	retval = request_irq(priv->pdev->irq, &adm8211_interrupt,
+	retval = request_irq(priv->pdev->irq, adm8211_interrupt,
 			     IRQF_SHARED, "adm8211", dev);
 	if (retval) {
 		printk(KERN_ERR "%s: failed to register IRQ handler\n",
-- 
GitLab


From d20a80f0e6eb9a4f31489a0518a9ba0754eeee12 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 18 Nov 2009 08:25:25 +0000
Subject: [PATCH 1336/1815] drivers/net/wireless/iwlwifi: remove exceptional &
 on function name

In this file, function names are otherwise used as pointers without &.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@r@
identifier f;
@@

f(...) { ... }

@@
identifier r.f;
@@

- &f
+ f
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/wireless/iwlwifi/iwl-3945-rs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
index dc81e19674f..d4b49883b30 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
@@ -355,7 +355,7 @@ static void rs_rate_init(void *priv_r, struct ieee80211_supported_band *sband,
 
 	init_timer(&rs_sta->rate_scale_flush);
 	rs_sta->rate_scale_flush.data = (unsigned long)rs_sta;
-	rs_sta->rate_scale_flush.function = &iwl3945_bg_rate_scale_flush;
+	rs_sta->rate_scale_flush.function = iwl3945_bg_rate_scale_flush;
 
 	for (i = 0; i < IWL_RATE_COUNT_3945; i++)
 		iwl3945_clear_window(&rs_sta->win[i]);
-- 
GitLab


From 8fbd90b0612cca7cd9a29df59b69502a841bebf8 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 18 Nov 2009 08:25:43 +0000
Subject: [PATCH 1337/1815] drivers/net/wireless/p54: remove exceptional & on
 function name

In this file, function names are otherwise used as pointers without &.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@r@
identifier f;
@@

f(...) { ... }

@@
identifier r.f;
@@

- &f
+ f
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/wireless/p54/p54pci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/p54/p54pci.c b/drivers/net/wireless/p54/p54pci.c
index d348c265e86..a15962a19b2 100644
--- a/drivers/net/wireless/p54/p54pci.c
+++ b/drivers/net/wireless/p54/p54pci.c
@@ -411,7 +411,7 @@ static int p54p_open(struct ieee80211_hw *dev)
 	int err;
 
 	init_completion(&priv->boot_comp);
-	err = request_irq(priv->pdev->irq, &p54p_interrupt,
+	err = request_irq(priv->pdev->irq, p54p_interrupt,
 			  IRQF_SHARED, "p54pci", dev);
 	if (err) {
 		dev_err(&priv->pdev->dev, "failed to register IRQ handler\n");
-- 
GitLab


From ea31ba359c55e0734ff895692185d4c50cf0c537 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 18 Nov 2009 08:26:02 +0000
Subject: [PATCH 1338/1815] drivers/net/wireless/rtl818x: remove exceptional &
 on function name

In this file, function names are otherwise used as pointers without &.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@r@
identifier f;
@@

f(...) { ... }

@@
identifier r.f;
@@

- &f
+ f
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/wireless/rtl818x/rtl8180_dev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/rtl818x/rtl8180_dev.c b/drivers/net/wireless/rtl818x/rtl8180_dev.c
index 16429c49139..a1a3dd15c66 100644
--- a/drivers/net/wireless/rtl818x/rtl8180_dev.c
+++ b/drivers/net/wireless/rtl818x/rtl8180_dev.c
@@ -548,7 +548,7 @@ static int rtl8180_start(struct ieee80211_hw *dev)
 	rtl818x_iowrite32(priv, &priv->map->TNPDA, priv->tx_ring[1].dma);
 	rtl818x_iowrite32(priv, &priv->map->TLPDA, priv->tx_ring[0].dma);
 
-	ret = request_irq(priv->pdev->irq, &rtl8180_interrupt,
+	ret = request_irq(priv->pdev->irq, rtl8180_interrupt,
 			  IRQF_SHARED, KBUILD_MODNAME, dev);
 	if (ret) {
 		printk(KERN_ERR "%s: failed to register IRQ handler\n",
-- 
GitLab


From 85f0d9e87794818356146996826b829100daa6bc Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 13 Nov 2009 11:56:23 -0800
Subject: [PATCH 1339/1815] iwlwifi: validate enhanced tx power entry

Validate enhanced tx power entry read from EEPROM before applying the
tx power value. Different versions of EEPROM might contain different size
of table; always a good idea to make sure the entry is valid before
applying to the targeted channel.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-eeprom.c | 10 ++++++++++
 drivers/net/wireless/iwlwifi/iwl-eeprom.h |  6 ++++--
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
index 8a0709e81a9..143728c6382 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.c
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
@@ -913,6 +913,16 @@ void iwlcore_eeprom_enhanced_txpower(struct iwl_priv *priv)
 		enhanced_txpower = (struct iwl_eeprom_enhanced_txpwr *)
 				iwl_eeprom_query_addr(priv, offset);
 
+		/*
+		 * check for valid entry -
+		 * different version of EEPROM might contain different set
+		 * of enhanced tx power table
+		 * always check for valid entry before process
+		 * the information
+		 */
+		if (!enhanced_txpower->common || enhanced_txpower->reserved)
+			continue;
+
 		for (element = 0; element < eeprom_section_count; element++) {
 			if (enhinfo[section].is_common)
 				max_txpower_avg =
diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.h b/drivers/net/wireless/iwlwifi/iwl-eeprom.h
index 5ba5a4e9e49..5cd2b66bbe4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.h
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.h
@@ -127,19 +127,21 @@ struct iwl_eeprom_channel {
  *    Enhanced regulatory tx power portion of eeprom image can be broken down
  *    into individual structures; each one is 8 bytes in size and contain the
  *    following information
+ * @common: (desc + channel) not used by driver, should _NOT_ be "zero"
  * @chain_a_max_pwr: chain a max power in 1/2 dBm
  * @chain_b_max_pwr: chain b max power in 1/2 dBm
  * @chain_c_max_pwr: chain c max power in 1/2 dBm
+ * @reserved: not used, should be "zero"
  * @mimo2_max_pwr: mimo2 max power in 1/2 dBm
  * @mimo3_max_pwr: mimo3 max power in 1/2 dBm
  *
  */
 struct iwl_eeprom_enhanced_txpwr {
-	u16 reserved;
+	u16 common;
 	s8 chain_a_max;
 	s8 chain_b_max;
 	s8 chain_c_max;
-	s8 reserved1;
+	s8 reserved;
 	s8 mimo2_max;
 	s8 mimo3_max;
 } __attribute__ ((packed));
-- 
GitLab


From 85bb174a386850c8a43e8d107af47de3c910be03 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 13 Nov 2009 11:56:24 -0800
Subject: [PATCH 1340/1815] iwlwifi: disable coex until implementation ready
 for 6x50

Temporary disable the coex function for wifi/wimax for 6x50
series until the full implementation ready.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-6000.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index f732f6d194a..72ed944843b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -395,7 +395,6 @@ struct iwl_cfg iwl6050_2agn_cfg = {
 	.adv_thermal_throttle = true,
 	.support_ct_kill_exit = true,
 	.support_sm_ps = true,
-	.support_wimax_coexist = true,
 };
 
 struct iwl_cfg iwl6050_2abg_cfg = {
@@ -425,7 +424,6 @@ struct iwl_cfg iwl6050_2abg_cfg = {
 	.supports_idle = true,
 	.adv_thermal_throttle = true,
 	.support_ct_kill_exit = true,
-	.support_wimax_coexist = true,
 };
 
 struct iwl_cfg iwl6000_3agn_cfg = {
-- 
GitLab


From d7d144012a2949cf7f8eed758013adadf5e5a82e Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 13 Nov 2009 11:56:25 -0800
Subject: [PATCH 1341/1815] iwlwifi: remove unused parameter from
 iwl_channel_info

Number of HT40 power parameters are not used; remove those from
iwl_channel_info data structure

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-dev.h    | 3 ---
 drivers/net/wireless/iwlwifi/iwl-eeprom.c | 7 -------
 2 files changed, 10 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 9dea8fa08c0..d0f09151979 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -295,9 +295,6 @@ struct iwl_channel_info {
 
 	/* HT40 channel info */
 	s8 ht40_max_power_avg;	/* (dBm) regul. eeprom, normal Tx, any rate */
-	s8 ht40_curr_txpow;	/* (dBm) regulatory/spectrum/user (not h/w) */
-	s8 ht40_min_power;	/* always 0 */
-	s8 ht40_scan_power;	/* (dBm) eeprom, direct scans, any rate */
 	u8 ht40_flags;		/* flags copied from EEPROM */
 	u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
index 143728c6382..e42eb6499f0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.c
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
@@ -751,9 +751,6 @@ static int iwl_mod_ht40_chan_info(struct iwl_priv *priv,
 
 	ch_info->ht40_eeprom = *eeprom_ch;
 	ch_info->ht40_max_power_avg = eeprom_ch->max_power_avg;
-	ch_info->ht40_curr_txpow = eeprom_ch->max_power_avg;
-	ch_info->ht40_min_power = 0;
-	ch_info->ht40_scan_power = eeprom_ch->max_power_avg;
 	ch_info->ht40_flags = eeprom_ch->flags;
 	ch_info->ht40_extension_channel &= ~clear_ht40_extension_channel;
 
@@ -840,8 +837,6 @@ static s8 iwl_update_common_txpower(struct iwl_priv *priv,
 		    (ch_info->ht40_max_power_avg < max_txpower_avg)) {
 			/* Update regulatory-based run-time data */
 			ch_info->ht40_max_power_avg = max_txpower_avg;
-			ch_info->ht40_curr_txpow = max_txpower_avg;
-			ch_info->ht40_scan_power = max_txpower_avg;
 		}
 		ch_info++;
 	}
@@ -881,8 +876,6 @@ static s8 iwl_update_channel_txpower(struct iwl_priv *priv,
 			    (ch_info->ht40_max_power_avg < max_txpower_avg)) {
 				/* Update regulatory-based run-time data */
 				ch_info->ht40_max_power_avg = max_txpower_avg;
-				ch_info->ht40_curr_txpow = max_txpower_avg;
-				ch_info->ht40_scan_power = max_txpower_avg;
 			}
 			break;
 		}
-- 
GitLab


From a8a9a159bf907ef02aca2e316025e427f315e82a Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 13 Nov 2009 11:56:26 -0800
Subject: [PATCH 1342/1815] iwlwifi: drop non-production PCI-IDs for 6x50
 series

drop the non-production PCI-IDs for 6x50 series

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-6000.c | 32 -------------------------
 drivers/net/wireless/iwlwifi/iwl-agn.c  |  3 ---
 drivers/net/wireless/iwlwifi/iwl-dev.h  |  1 -
 3 files changed, 36 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index 72ed944843b..4ab9897f4fe 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -456,37 +456,5 @@ struct iwl_cfg iwl6000_3agn_cfg = {
 	.support_ct_kill_exit = true,
 };
 
-struct iwl_cfg iwl6050_3agn_cfg = {
-	.name = "6050 Series 3x3 AGN",
-	.fw_name_pre = IWL6050_FW_PRE,
-	.ucode_api_max = IWL6050_UCODE_API_MAX,
-	.ucode_api_min = IWL6050_UCODE_API_MIN,
-	.sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
-	.ops = &iwl6050_ops,
-	.eeprom_size = OTP_LOW_IMAGE_SIZE,
-	.eeprom_ver = EEPROM_6050_EEPROM_VERSION,
-	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
-	.num_of_queues = IWL50_NUM_QUEUES,
-	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
-	.mod_params = &iwl50_mod_params,
-	.valid_tx_ant = ANT_ABC,
-	.valid_rx_ant = ANT_ABC,
-	.pll_cfg_val = 0,
-	.set_l0s = true,
-	.use_bsm = false,
-	.pa_type = IWL_PA_SYSTEM,
-	.max_ll_items = OTP_MAX_LL_ITEMS_6x50,
-	.shadow_ram_support = true,
-	.ht_greenfield_support = true,
-	.led_compensation = 51,
-	.use_rts_for_ht = true, /* use rts/cts protection */
-	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
-	.supports_idle = true,
-	.adv_thermal_throttle = true,
-	.support_ct_kill_exit = true,
-	.support_sm_ps = true,
-	.support_wimax_coexist = true,
-};
-
 MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX));
 MODULE_FIRMWARE(IWL6050_MODULE_FIRMWARE(IWL6050_UCODE_API_MAX));
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index da0b38e866b..6532e9e6895 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -3484,13 +3484,10 @@ static struct pci_device_id iwl_hw_card_ids[] = {
 	{IWL_PCI_DEVICE(0x4239, 0x1316, iwl6000i_2abg_cfg)},
 
 /* 6x50 WiFi/WiMax Series */
-	{IWL_PCI_DEVICE(0x0086, 0x1101, iwl6050_3agn_cfg)},
-	{IWL_PCI_DEVICE(0x0086, 0x1121, iwl6050_3agn_cfg)},
 	{IWL_PCI_DEVICE(0x0087, 0x1301, iwl6050_2agn_cfg)},
 	{IWL_PCI_DEVICE(0x0087, 0x1306, iwl6050_2abg_cfg)},
 	{IWL_PCI_DEVICE(0x0087, 0x1321, iwl6050_2agn_cfg)},
 	{IWL_PCI_DEVICE(0x0087, 0x1326, iwl6050_2abg_cfg)},
-	{IWL_PCI_DEVICE(0x0088, 0x1111, iwl6050_3agn_cfg)},
 	{IWL_PCI_DEVICE(0x0089, 0x1311, iwl6050_2agn_cfg)},
 	{IWL_PCI_DEVICE(0x0089, 0x1316, iwl6050_2abg_cfg)},
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index d0f09151979..273adee81cf 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -64,7 +64,6 @@ extern struct iwl_cfg iwl6000i_2bg_cfg;
 extern struct iwl_cfg iwl6000_3agn_cfg;
 extern struct iwl_cfg iwl6050_2agn_cfg;
 extern struct iwl_cfg iwl6050_2abg_cfg;
-extern struct iwl_cfg iwl6050_3agn_cfg;
 extern struct iwl_cfg iwl1000_bgn_cfg;
 extern struct iwl_cfg iwl1000_bg_cfg;
 
-- 
GitLab


From 7d2ed110a80991849a2824a6dc3c063ffca9dbe4 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 13 Nov 2009 11:56:27 -0800
Subject: [PATCH 1343/1815] iwlwifi: remove external reference for non-exist
 data structure

Number of data structure for 6000 series no longer in production, the
data structure already being removed; also need to remove the external
reference define in iwl-dev.h

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-dev.h | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 273adee81cf..774a315996e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -55,9 +55,6 @@ extern struct iwl_cfg iwl5350_agn_cfg;
 extern struct iwl_cfg iwl5100_bg_cfg;
 extern struct iwl_cfg iwl5100_abg_cfg;
 extern struct iwl_cfg iwl5150_agn_cfg;
-extern struct iwl_cfg iwl6000h_2agn_cfg;
-extern struct iwl_cfg iwl6000h_2abg_cfg;
-extern struct iwl_cfg iwl6000h_2bg_cfg;
 extern struct iwl_cfg iwl6000i_2agn_cfg;
 extern struct iwl_cfg iwl6000i_2abg_cfg;
 extern struct iwl_cfg iwl6000i_2bg_cfg;
-- 
GitLab


From ef8d5529b015d4c5db7fad1adfc91edfd5abad56 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 13 Nov 2009 11:56:28 -0800
Subject: [PATCH 1344/1815] iwlwifi: update reply_statistics_cmd with 'clear'
 parameter

When issue REPLY_STATISTICS_CMD to uCode, two possible flag
can be set in the configuration flags

bit 0: Clear statistics
       0: Do not clear Statistics counters
       1: Clear to zero Statistics counters

Allow "clear" parameter to be set from the caller.

Add debugfs file to clear the statistics counters to help monitor and
debug the uCode behavior.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn.c      |  6 ++--
 drivers/net/wireless/iwlwifi/iwl-calib.c    |  2 +-
 drivers/net/wireless/iwlwifi/iwl-commands.h |  4 +++
 drivers/net/wireless/iwlwifi/iwl-core.c     | 21 ++++++-----
 drivers/net/wireless/iwlwifi/iwl-core.h     |  5 ++-
 drivers/net/wireless/iwlwifi/iwl-debug.h    |  1 +
 drivers/net/wireless/iwlwifi/iwl-debugfs.c  | 39 ++++++++++++++++-----
 drivers/net/wireless/iwlwifi/iwl-power.c    |  2 +-
 drivers/net/wireless/iwlwifi/iwl-rx.c       | 18 ++++++++++
 drivers/net/wireless/iwlwifi/iwl3945-base.c |  2 +-
 10 files changed, 77 insertions(+), 23 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 6532e9e6895..f586e7e8313 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -612,7 +612,7 @@ static void iwl_bg_statistics_periodic(unsigned long data)
 	if (!iwl_is_ready_rf(priv))
 		return;
 
-	iwl_send_statistics_request(priv, CMD_ASYNC);
+	iwl_send_statistics_request(priv, CMD_ASYNC, false);
 }
 
 static void iwl_rx_beacon_notif(struct iwl_priv *priv,
@@ -729,7 +729,7 @@ static void iwl_setup_rx_handlers(struct iwl_priv *priv)
 	 * statistics request from the host as well as for the periodic
 	 * statistics notifications (after received beacons) from the uCode.
 	 */
-	priv->rx_handlers[REPLY_STATISTICS_CMD] = iwl_rx_statistics;
+	priv->rx_handlers[REPLY_STATISTICS_CMD] = iwl_reply_statistics;
 	priv->rx_handlers[STATISTICS_NOTIFICATION] = iwl_rx_statistics;
 
 	iwl_setup_spectrum_handlers(priv);
@@ -2892,7 +2892,7 @@ static ssize_t show_statistics(struct device *d,
 		return -EAGAIN;
 
 	mutex_lock(&priv->mutex);
-	rc = iwl_send_statistics_request(priv, 0);
+	rc = iwl_send_statistics_request(priv, CMD_SYNC, false);
 	mutex_unlock(&priv->mutex);
 
 	if (rc) {
diff --git a/drivers/net/wireless/iwlwifi/iwl-calib.c b/drivers/net/wireless/iwlwifi/iwl-calib.c
index d994de7438d..95a57b36a7e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-calib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-calib.c
@@ -900,7 +900,7 @@ void iwl_reset_run_time_calib(struct iwl_priv *priv)
 
 	/* Ask for statistics now, the uCode will send notification
 	 * periodically after association */
-	iwl_send_statistics_request(priv, CMD_ASYNC);
+	iwl_send_statistics_request(priv, CMD_ASYNC, true);
 }
 EXPORT_SYMBOL(iwl_reset_run_time_calib);
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 2857287be4f..6e23a2b5cb8 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -3071,6 +3071,10 @@ struct statistics_general {
 	__le32 reserved3;
 } __attribute__ ((packed));
 
+#define UCODE_STATISTICS_CLEAR_MSK		(0x1 << 0)
+#define UCODE_STATISTICS_FREQUENCY_MSK		(0x1 << 1)
+#define UCODE_STATISTICS_NARROW_BAND_MSK	(0x1 << 2)
+
 /*
  * REPLY_STATISTICS_CMD = 0x9c,
  * 3945 and 4965 identical.
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index d09e7481532..1736c60c3e2 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1990,16 +1990,21 @@ int iwl_send_bt_config(struct iwl_priv *priv)
 }
 EXPORT_SYMBOL(iwl_send_bt_config);
 
-int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags)
+int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags, bool clear)
 {
-	u32 stat_flags = 0;
-	struct iwl_host_cmd cmd = {
-		.id = REPLY_STATISTICS_CMD,
-		.flags = flags,
-		.len = sizeof(stat_flags),
-		.data = (u8 *) &stat_flags,
+	struct iwl_statistics_cmd statistics_cmd = {
+		.configuration_flags =
+			clear ? IWL_STATS_CONF_CLEAR_STATS : 0,
 	};
-	return iwl_send_cmd(priv, &cmd);
+
+	if (flags & CMD_ASYNC)
+		return iwl_send_cmd_pdu_async(priv, REPLY_STATISTICS_CMD,
+					       sizeof(struct iwl_statistics_cmd),
+					       &statistics_cmd, NULL);
+	else
+		return iwl_send_cmd_pdu(priv, REPLY_STATISTICS_CMD,
+					sizeof(struct iwl_statistics_cmd),
+					&statistics_cmd);
 }
 EXPORT_SYMBOL(iwl_send_statistics_request);
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 3f97036ac29..584a376b96c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -425,6 +425,8 @@ void iwl_rx_missed_beacon_notif(struct iwl_priv *priv,
 			       struct iwl_rx_mem_buffer *rxb);
 void iwl_rx_statistics(struct iwl_priv *priv,
 			      struct iwl_rx_mem_buffer *rxb);
+void iwl_reply_statistics(struct iwl_priv *priv,
+			  struct iwl_rx_mem_buffer *rxb);
 void iwl_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb);
 
 /* TX helpers */
@@ -669,7 +671,8 @@ static inline int iwl_is_ready_rf(struct iwl_priv *priv)
 
 extern void iwl_rf_kill_ct_config(struct iwl_priv *priv);
 extern int iwl_send_bt_config(struct iwl_priv *priv);
-extern int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags);
+extern int iwl_send_statistics_request(struct iwl_priv *priv,
+				       u8 flags, bool clear);
 extern int iwl_verify_ucode(struct iwl_priv *priv);
 extern int iwl_send_lq_cmd(struct iwl_priv *priv,
 		struct iwl_link_quality_cmd *lq, u8 flags);
diff --git a/drivers/net/wireless/iwlwifi/iwl-debug.h b/drivers/net/wireless/iwlwifi/iwl-debug.h
index 96c92eab692..25a0e73314f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debug.h
+++ b/drivers/net/wireless/iwlwifi/iwl-debug.h
@@ -107,6 +107,7 @@ struct iwl_debugfs {
 		struct dentry *file_chain_noise;
 		struct dentry *file_tx_power;
 		struct dentry *file_power_save_status;
+		struct dentry *file_clear_statistics;
 	} dbgfs_debug_files;
 	u32 sram_offset;
 	u32 sram_len;
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index 8784911fd56..45a5edd1b1a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -1042,10 +1042,6 @@ static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
 	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 }
 
-#define UCODE_STATISTICS_CLEAR_MSK		(0x1 << 0)
-#define UCODE_STATISTICS_FREQUENCY_MSK		(0x1 << 1)
-#define UCODE_STATISTICS_NARROW_BAND_MSK	(0x1 << 2)
-
 static int iwl_dbgfs_statistics_flag(struct iwl_priv *priv, char *buf,
 				     int bufsz)
 {
@@ -1092,7 +1088,7 @@ static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
 
 	/* make request to uCode to retrieve statistics information */
 	mutex_lock(&priv->mutex);
-	ret = iwl_send_statistics_request(priv, 0);
+	ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
 	mutex_unlock(&priv->mutex);
 
 	if (ret) {
@@ -1398,7 +1394,7 @@ static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
 
 	/* make request to uCode to retrieve statistics information */
 	mutex_lock(&priv->mutex);
-	ret = iwl_send_statistics_request(priv, 0);
+	ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
 	mutex_unlock(&priv->mutex);
 
 	if (ret) {
@@ -1542,7 +1538,7 @@ static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
 
 	/* make request to uCode to retrieve statistics information */
 	mutex_lock(&priv->mutex);
-	ret = iwl_send_statistics_request(priv, 0);
+	ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
 	mutex_unlock(&priv->mutex);
 
 	if (ret) {
@@ -1770,7 +1766,7 @@ static ssize_t iwl_dbgfs_tx_power_read(struct file *file,
 	else {
 		/* make request to uCode to retrieve statistics information */
 		mutex_lock(&priv->mutex);
-		ret = iwl_send_statistics_request(priv, 0);
+		ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
 		mutex_unlock(&priv->mutex);
 
 		if (ret) {
@@ -1828,6 +1824,30 @@ static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
 	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 }
 
+static ssize_t iwl_dbgfs_clear_statistics_write(struct file *file,
+					 const char __user *user_buf,
+					 size_t count, loff_t *ppos)
+{
+	struct iwl_priv *priv = file->private_data;
+	char buf[8];
+	int buf_size;
+	int clear;
+
+	memset(buf, 0, sizeof(buf));
+	buf_size = min(count, sizeof(buf) -  1);
+	if (copy_from_user(buf, user_buf, buf_size))
+		return -EFAULT;
+	if (sscanf(buf, "%d", &clear) != 1)
+		return -EFAULT;
+
+	/* make request to uCode to retrieve statistics information */
+	mutex_lock(&priv->mutex);
+	iwl_send_statistics_request(priv, CMD_SYNC, true);
+	mutex_unlock(&priv->mutex);
+
+	return count;
+}
+
 DEBUGFS_READ_WRITE_FILE_OPS(rx_statistics);
 DEBUGFS_READ_WRITE_FILE_OPS(tx_statistics);
 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
@@ -1840,6 +1860,7 @@ DEBUGFS_READ_FILE_OPS(sensitivity);
 DEBUGFS_READ_FILE_OPS(chain_noise);
 DEBUGFS_READ_FILE_OPS(tx_power);
 DEBUGFS_READ_FILE_OPS(power_save_status);
+DEBUGFS_WRITE_FILE_OPS(clear_statistics);
 
 /*
  * Create the debugfs files and directories
@@ -1888,6 +1909,7 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
 	DEBUGFS_ADD_FILE(tx_queue, debug);
 	DEBUGFS_ADD_FILE(tx_power, debug);
 	DEBUGFS_ADD_FILE(power_save_status, debug);
+	DEBUGFS_ADD_FILE(clear_statistics, debug);
 	if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
 		DEBUGFS_ADD_FILE(ucode_rx_stats, debug);
 		DEBUGFS_ADD_FILE(ucode_tx_stats, debug);
@@ -1941,6 +1963,7 @@ void iwl_dbgfs_unregister(struct iwl_priv *priv)
 	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_queue);
 	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_power);
 	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_power_save_status);
+	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_clear_statistics);
 	if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
 		DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
 			file_ucode_rx_stats);
diff --git a/drivers/net/wireless/iwlwifi/iwl-power.c b/drivers/net/wireless/iwlwifi/iwl-power.c
index 9bce2c1625e..8ccc0bb1d9e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-power.c
+++ b/drivers/net/wireless/iwlwifi/iwl-power.c
@@ -506,7 +506,7 @@ static void iwl_prepare_ct_kill_task(struct iwl_priv *priv)
 {
 	IWL_DEBUG_POWER(priv, "Prepare to enter IWL_TI_CT_KILL\n");
 	/* make request to retrieve statistics information */
-	iwl_send_statistics_request(priv, 0);
+	iwl_send_statistics_request(priv, CMD_SYNC, false);
 	/* Reschedule the ct_kill wait timer */
 	mod_timer(&priv->thermal_throttle.ct_kill_waiting_tm,
 		 jiffies + msecs_to_jiffies(CT_KILL_WAITING_DURATION));
diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c
index 61b3b0e6ed7..9d010a0d83a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-rx.c
@@ -635,6 +635,24 @@ void iwl_rx_statistics(struct iwl_priv *priv,
 }
 EXPORT_SYMBOL(iwl_rx_statistics);
 
+void iwl_reply_statistics(struct iwl_priv *priv,
+			      struct iwl_rx_mem_buffer *rxb)
+{
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
+
+	if (le32_to_cpu(pkt->u.stats.flag) & UCODE_STATISTICS_CLEAR_MSK) {
+		memset(&priv->statistics, 0,
+			sizeof(struct iwl_notif_statistics));
+#ifdef CONFIG_IWLWIFI_DEBUG
+		memset(&priv->accum_statistics, 0,
+			sizeof(struct iwl_notif_statistics));
+#endif
+		IWL_DEBUG_RX(priv, "Statistics have been cleared\n");
+	}
+	iwl_rx_statistics(priv, rxb);
+}
+EXPORT_SYMBOL(iwl_reply_statistics);
+
 #define PERFECT_RSSI (-20) /* dBm */
 #define WORST_RSSI (-95)   /* dBm */
 #define RSSI_RANGE (PERFECT_RSSI - WORST_RSSI)
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 05f118529fe..93bb4d341be 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -3649,7 +3649,7 @@ static ssize_t show_statistics(struct device *d,
 		return -EAGAIN;
 
 	mutex_lock(&priv->mutex);
-	rc = iwl_send_statistics_request(priv, 0);
+	rc = iwl_send_statistics_request(priv, CMD_SYNC, false);
 	mutex_unlock(&priv->mutex);
 
 	if (rc) {
-- 
GitLab


From 4d6ccbf57ff7653217b7149976aa31e19f996544 Mon Sep 17 00:00:00 2001
From: Ben Cahill <ben.m.cahill@intel.com>
Date: Fri, 13 Nov 2009 11:56:29 -0800
Subject: [PATCH 1345/1815] iwl3945: Reset saved POWER_TABLE_CMD in "up"

Power-saving logic will not re-issue a POWER_TABLE_CMD if a new command
matches the prior one.  This can be bad if we re-start the device due to
e.g. uCode error; the new POWER_TABLE_CMD (required to invoke power-saving)
may match the prior POWER_TABLE_CMD issued before the uCode error.

Ensure the POWER_TABLE_CMD is sent to device when uCode is up.

Signed-off-by: Ben Cahill <ben.m.cahill@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl3945-base.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 93bb4d341be..31f3c42b835 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -2493,7 +2493,7 @@ static void iwl3945_alive_start(struct iwl_priv *priv)
 	priv->active_rate = priv->rates_mask;
 	priv->active_rate_basic = priv->rates_mask & IWL_BASIC_RATES_MASK;
 
-	iwl_power_update_mode(priv, false);
+	iwl_power_update_mode(priv, true);
 
 	if (iwl_is_associated(priv)) {
 		struct iwl3945_rxon_cmd *active_rxon =
-- 
GitLab


From ae16fc3c3184bf27f0462e1951df918122498829 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 13 Nov 2009 11:56:30 -0800
Subject: [PATCH 1346/1815] iwlwifi: eliminate the possible 1/2 dBm tx power
 loss in 6x00 & 6x50 series

In both 6x00 and 6x50 series, the enhanced/extended tx power table in
EEPROM is used to set the max. tx power limit.
This new tx power table is in 1/2 dBm format, which creates an issue of
possibility of 1/2 dBm loss when driver set the tx power limit; because
of driver keep track and report the tx power in dBm format.

In order to prevent the 1/2 dBm loss, keep track of the true max tx
power in 1/2 dBm format in driver; do the comparison and adjust the tx
power if needed when send tx power command to uCode.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-5000.c   | 16 ++++++++
 drivers/net/wireless/iwlwifi/iwl-dev.h    |  1 +
 drivers/net/wireless/iwlwifi/iwl-eeprom.c | 49 ++++++++++++++++-------
 3 files changed, 52 insertions(+), 14 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 6eaf26b0763..48982fb4499 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -1250,6 +1250,22 @@ int  iwl5000_send_tx_power(struct iwl_priv *priv)
 
 	/* half dBm need to multiply */
 	tx_power_cmd.global_lmt = (s8)(2 * priv->tx_power_user_lmt);
+
+	if (priv->tx_power_lmt_in_half_dbm &&
+	    priv->tx_power_lmt_in_half_dbm < tx_power_cmd.global_lmt) {
+		/*
+		 * For the newer devices which using enhanced/extend tx power
+		 * table in EEPROM, the format is in half dBm. driver need to
+		 * convert to dBm format before report to mac80211.
+		 * By doing so, there is a possibility of 1/2 dBm resolution
+		 * lost. driver will perform "round-up" operation before
+		 * reporting, but it will cause 1/2 dBm tx power over the
+		 * regulatory limit. Perform the checking here, if the
+		 * "tx_power_user_lmt" is higher than EEPROM value (in
+		 * half-dBm format), lower the tx power based on EEPROM
+		 */
+		tx_power_cmd.global_lmt = priv->tx_power_lmt_in_half_dbm;
+	}
 	tx_power_cmd.flags = IWL50_TX_POWER_NO_CLOSED;
 	tx_power_cmd.srv_chan_lmt = IWL50_TX_POWER_AUTO;
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 774a315996e..a474383ec0b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -1247,6 +1247,7 @@ struct iwl_priv {
 	/* TX Power */
 	s8 tx_power_user_lmt;
 	s8 tx_power_device_lmt;
+	s8 tx_power_lmt_in_half_dbm; /* max tx power in half-dBm format */
 
 
 #ifdef CONFIG_IWLWIFI_DEBUG
diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
index e42eb6499f0..ac88ff042d4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.c
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
@@ -762,7 +762,8 @@ static int iwl_mod_ht40_chan_info(struct iwl_priv *priv,
  *     find the highest tx power from all chains for the channel
  */
 static s8 iwl_get_max_txpower_avg(struct iwl_priv *priv,
-		struct iwl_eeprom_enhanced_txpwr *enhanced_txpower, int element)
+		struct iwl_eeprom_enhanced_txpwr *enhanced_txpower,
+		int element, s8 *max_txpower_in_half_dbm)
 {
 	s8 max_txpower_avg = 0; /* (dBm) */
 
@@ -794,10 +795,14 @@ static s8 iwl_get_max_txpower_avg(struct iwl_priv *priv,
 	    (enhanced_txpower[element].mimo3_max > max_txpower_avg))
 		max_txpower_avg = enhanced_txpower[element].mimo3_max;
 
-	/* max. tx power in EEPROM is in 1/2 dBm format
-	 * convert from 1/2 dBm to dBm
+	/*
+	 * max. tx power in EEPROM is in 1/2 dBm format
+	 * convert from 1/2 dBm to dBm (round-up convert)
+	 * but we also do not want to loss 1/2 dBm resolution which
+	 * will impact performance
 	 */
-	return max_txpower_avg >> 1;
+	*max_txpower_in_half_dbm = max_txpower_avg;
+	return (max_txpower_avg & 0x01) + (max_txpower_avg >> 1);
 }
 
 /**
@@ -806,7 +811,7 @@ static s8 iwl_get_max_txpower_avg(struct iwl_priv *priv,
  */
 static s8 iwl_update_common_txpower(struct iwl_priv *priv,
 		struct iwl_eeprom_enhanced_txpwr *enhanced_txpower,
-		int section, int element)
+		int section, int element, s8 *max_txpower_in_half_dbm)
 {
 	struct iwl_channel_info *ch_info;
 	int ch;
@@ -820,20 +825,22 @@ static s8 iwl_update_common_txpower(struct iwl_priv *priv,
 	if (element == EEPROM_TXPOWER_COMMON_HT40_INDEX)
 		is_ht40 = true;
 	max_txpower_avg =
-		iwl_get_max_txpower_avg(priv, enhanced_txpower, element);
+		iwl_get_max_txpower_avg(priv, enhanced_txpower,
+					element, max_txpower_in_half_dbm);
+
 	ch_info = priv->channel_info;
 
 	for (ch = 0; ch < priv->channel_count; ch++) {
 		/* find matching band and update tx power if needed */
 		if ((ch_info->band == enhinfo[section].band) &&
-		    (ch_info->max_power_avg < max_txpower_avg) && (!is_ht40)) {
+		    (ch_info->max_power_avg < max_txpower_avg) &&
+		    (!is_ht40)) {
 			/* Update regulatory-based run-time data */
 			ch_info->max_power_avg = ch_info->curr_txpow =
-			    max_txpower_avg;
+				max_txpower_avg;
 			ch_info->scan_power = max_txpower_avg;
 		}
 		if ((ch_info->band == enhinfo[section].band) && is_ht40 &&
-		    ch_info->ht40_max_power_avg &&
 		    (ch_info->ht40_max_power_avg < max_txpower_avg)) {
 			/* Update regulatory-based run-time data */
 			ch_info->ht40_max_power_avg = max_txpower_avg;
@@ -849,7 +856,7 @@ static s8 iwl_update_common_txpower(struct iwl_priv *priv,
  */
 static s8 iwl_update_channel_txpower(struct iwl_priv *priv,
 		struct iwl_eeprom_enhanced_txpwr *enhanced_txpower,
-		int section, int element)
+		int section, int element, s8 *max_txpower_in_half_dbm)
 {
 	struct iwl_channel_info *ch_info;
 	int ch;
@@ -858,7 +865,8 @@ static s8 iwl_update_channel_txpower(struct iwl_priv *priv,
 
 	channel = enhinfo[section].iwl_eeprom_section_channel[element];
 	max_txpower_avg =
-		iwl_get_max_txpower_avg(priv, enhanced_txpower, element);
+		iwl_get_max_txpower_avg(priv, enhanced_txpower,
+					element, max_txpower_in_half_dbm);
 
 	ch_info = priv->channel_info;
 	for (ch = 0; ch < priv->channel_count; ch++) {
@@ -872,7 +880,6 @@ static s8 iwl_update_channel_txpower(struct iwl_priv *priv,
 				ch_info->scan_power = max_txpower_avg;
 			}
 			if ((enhinfo[section].is_ht40) &&
-			    (ch_info->ht40_max_power_avg) &&
 			    (ch_info->ht40_max_power_avg < max_txpower_avg)) {
 				/* Update regulatory-based run-time data */
 				ch_info->ht40_max_power_avg = max_txpower_avg;
@@ -894,6 +901,7 @@ void iwlcore_eeprom_enhanced_txpower(struct iwl_priv *priv)
 	struct iwl_eeprom_enhanced_txpwr *enhanced_txpower;
 	u32 offset;
 	s8 max_txpower_avg; /* (dBm) */
+	s8 max_txpower_in_half_dbm; /* (half-dBm) */
 
 	/* Loop through all the sections
 	 * adjust bands and channel's max tx power
@@ -920,16 +928,29 @@ void iwlcore_eeprom_enhanced_txpower(struct iwl_priv *priv)
 			if (enhinfo[section].is_common)
 				max_txpower_avg =
 					iwl_update_common_txpower(priv,
-					enhanced_txpower, section, element);
+						enhanced_txpower, section,
+						element,
+						&max_txpower_in_half_dbm);
 			else
 				max_txpower_avg =
 					iwl_update_channel_txpower(priv,
-					enhanced_txpower, section, element);
+						enhanced_txpower, section,
+						element,
+						&max_txpower_in_half_dbm);
 
 			/* Update the tx_power_user_lmt to the highest power
 			 * supported by any channel */
 			if (max_txpower_avg > priv->tx_power_user_lmt)
 				priv->tx_power_user_lmt = max_txpower_avg;
+
+			/*
+			 * Update the tx_power_lmt_in_half_dbm to
+			 * the highest power supported by any channel
+			 */
+			if (max_txpower_in_half_dbm >
+			    priv->tx_power_lmt_in_half_dbm)
+				priv->tx_power_lmt_in_half_dbm =
+					max_txpower_in_half_dbm;
 		}
 	}
 }
-- 
GitLab


From 98a7b43be19faa7b92576c62614c45e38517331c Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 13 Nov 2009 11:56:31 -0800
Subject: [PATCH 1347/1815] iwlwifi: align tx/rx statistics debugfs format

Align the format for tx_statistics and rx_statistics debugfs output for
better readability

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-debugfs.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index 45a5edd1b1a..ba9c96ff27c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -131,21 +131,22 @@ static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
 
 	int cnt;
 	ssize_t ret;
-	const size_t bufsz = 100 + sizeof(char) * 24 * (MANAGEMENT_MAX + CONTROL_MAX);
+	const size_t bufsz = 100 +
+		sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
 	buf = kzalloc(bufsz, GFP_KERNEL);
 	if (!buf)
 		return -ENOMEM;
 	pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
 	for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
 		pos += scnprintf(buf + pos, bufsz - pos,
-				 "\t%s\t\t: %u\n",
+				 "\t%25s\t\t: %u\n",
 				 get_mgmt_string(cnt),
 				 priv->tx_stats.mgmt[cnt]);
 	}
 	pos += scnprintf(buf + pos, bufsz - pos, "Control\n");
 	for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
 		pos += scnprintf(buf + pos, bufsz - pos,
-				 "\t%s\t\t: %u\n",
+				 "\t%25s\t\t: %u\n",
 				 get_ctrl_string(cnt),
 				 priv->tx_stats.ctrl[cnt]);
 	}
@@ -190,7 +191,7 @@ static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
 	int cnt;
 	ssize_t ret;
 	const size_t bufsz = 100 +
-		sizeof(char) * 24 * (MANAGEMENT_MAX + CONTROL_MAX);
+		sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
 	buf = kzalloc(bufsz, GFP_KERNEL);
 	if (!buf)
 		return -ENOMEM;
@@ -198,14 +199,14 @@ static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
 	pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
 	for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
 		pos += scnprintf(buf + pos, bufsz - pos,
-				 "\t%s\t\t: %u\n",
+				 "\t%25s\t\t: %u\n",
 				 get_mgmt_string(cnt),
 				 priv->rx_stats.mgmt[cnt]);
 	}
 	pos += scnprintf(buf + pos, bufsz - pos, "Control:\n");
 	for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
 		pos += scnprintf(buf + pos, bufsz - pos,
-				 "\t%s\t\t: %u\n",
+				 "\t%25s\t\t: %u\n",
 				 get_ctrl_string(cnt),
 				 priv->rx_stats.ctrl[cnt]);
 	}
-- 
GitLab


From e43ab94d2ea01a74e60c3423334687c2156c39b2 Mon Sep 17 00:00:00 2001
From: Reinette Chatre <reinette.chatre@intel.com>
Date: Fri, 13 Nov 2009 11:56:32 -0800
Subject: [PATCH 1348/1815] iwlagn: power up device before initializing EEPROM

A recent change optimized the power usage by the device by only powering it
up during EEPROM load if it is required (for OTP devices). This change causes
an error on the 1000 series devices during module load.

The error looks as follows:
[ 1624.024524] iwlagn: Intel(R) Wireless WiFi Link AGN driver for Linux, 1.3.27kds
[ 1624.024527] iwlagn: Copyright(c) 2003-2009 Intel Corporation
[ 1624.024711] iwlagn 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[ 1624.024749] iwlagn 0000:01:00.0: setting latency timer to 64
[ 1624.024909] iwlagn 0000:01:00.0: Detected Intel Wireless WiFi Link 1000 Series BGN REV=0x6C
[ 1624.081263] iwlagn 0000:01:00.0: MAC is in deep sleep!.  CSR_GP_CNTRL = 0x080003D8
[ 1624.092967] iwlagn 0000:01:00.0: OTP is empty
[ 1624.092988] iwlagn 0000:01:00.0: Unable to init EEPROM
[ 1624.093033] iwlagn 0000:01:00.0: PCI INT A disabled
[ 1624.093065] iwlagn: probe of 0000:01:00.0 failed with error -2

Adding a dump_stack() to where that error is printed shows the following:

[ 1624.024524] iwlagn: Intel(R) Wireless WiFi Link AGN driver for Linux, 1.3.27kds
[ 1624.024527] iwlagn: Copyright(c) 2003-2009 Intel Corporation
[ 1624.024711] iwlagn 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[ 1624.024749] iwlagn 0000:01:00.0: setting latency timer to 64
[ 1624.024909] iwlagn 0000:01:00.0: Detected Intel Wireless WiFi Link 1000 Series BGN REV=0x6C
[ 1624.081263] iwlagn 0000:01:00.0: MAC is in deep sleep!.  CSR_GP_CNTRL = 0x080003D8
[ 1624.081263] Pid: 3073, comm: work_for_cpu Tainted: G        W 2.6.31.5 #4
[ 1624.081263] Call Trace:
[ 1624.081263]  [<ffffffffa02395db>] T.726+0x22b/0x420 [iwlcore]
[ 1624.081263]  [<ffffffffa023985a>] iwlcore_eeprom_acquire_semaphore+0x8a/0x190 [iwlcore]
[ 1624.081263]  [<ffffffff81110c94>] ? __kmalloc+0x194/0x1c0
[ 1624.081263]  [<ffffffffa02391f5>] ?  iwlcore_eeprom_verify_signature+0x25/0xf0 [iwlcore]
[ 1624.081263]  [<ffffffffa0239c67>] iwl_eeprom_init+0x107/0xf40 [iwlcore]
[ 1624.081263]  [<ffffffffa026ab9c>] ?  iwl_prepare_card_hw+0x11c/0x470 [iwlagn]
[ 1624.081263]  [<ffffffff8127e2a4>] ?  pci_bus_write_config_byte+0x64/0x80
[ 1624.081263]  [<ffffffffa026b1f8>] iwl_pci_probe+0x308/0xac0 [iwlagn]
[ 1624.081263]  [<ffffffff810710a0>] ? do_work_for_cpu+0x0/0x30
[ 1624.081263]  [<ffffffff81284912>] local_pci_probe+0x12/0x20
[ 1624.081263]  [<ffffffff810710b3>] do_work_for_cpu+0x13/0x30
[ 1624.081263]  [<ffffffff81075826>] kthread+0xa6/0xb0
[ 1624.081263]  [<ffffffff81012fea>] child_rip+0xa/0x20
[ 1624.081263]  [<ffffffff81075780>] ? kthread+0x0/0xb0
[ 1624.081263]  [<ffffffff81012fe0>] ? child_rip+0x0/0x20
[ 1624.092967] iwlagn 0000:01:00.0: OTP is empty
[ 1624.092988] iwlagn 0000:01:00.0: Unable to init EEPROM
[ 1624.093033] iwlagn 0000:01:00.0: PCI INT A disabled
[ 1624.093065] iwlagn: probe of 0000:01:00.0 failed with error -2

We know that the routines in this trace, iwlcore_eeprom_acquire_semaphore
and iwlcore_eeprom_verify_signature, only access CSR registers and thus do
not need the device to be awake if it is EEPROM. But for OTP it is required
for the device to be awake to read these registers. Ensure device is awake
before accessing these registers.

Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Acked-by: Ben Cahill <ben.m.cahill@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-eeprom.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
index ac88ff042d4..3946e5c03f8 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.c
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
@@ -518,6 +518,11 @@ int iwl_eeprom_init(struct iwl_priv *priv)
 	}
 	e = (u16 *)priv->eeprom;
 
+	if (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP) {
+		/* OTP reads require powered-up chip */
+		priv->cfg->ops->lib->apm_ops.init(priv);
+	}
+
 	ret = priv->cfg->ops->lib->eeprom_ops.verify_signature(priv);
 	if (ret < 0) {
 		IWL_ERR(priv, "EEPROM not found, EEPROM_GP=0x%08x\n", gp);
@@ -532,10 +537,8 @@ int iwl_eeprom_init(struct iwl_priv *priv)
 		ret = -ENOENT;
 		goto err;
 	}
-	if (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP) {
 
-		/* OTP reads require powered-up chip */
-		priv->cfg->ops->lib->apm_ops.init(priv);
+	if (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP) {
 
 		ret = iwl_init_otp_access(priv);
 		if (ret) {
-- 
GitLab


From 47ff65c48748086a5e9cde6032451691a28ab19f Mon Sep 17 00:00:00 2001
From: Daniel C Halperin <daniel.c.halperin@intel.com>
Date: Fri, 13 Nov 2009 11:56:33 -0800
Subject: [PATCH 1349/1815] iwlwifi: fix bugs in beacon configuration

When sending beacon commands to the uCode, we must
inform it of the offset in the beacon frame of the
TIM Element so it can transmit packets from the
correct queue. This functionality is implemented
in iwl_set_beacon_tim().

Fix a bug setting the rate_n_flags for the beacon
packet. First, it should not use the station table's
rate (it's a management frame), and second it needs
to properly configure the TX antennas.

Finally, also, clean up and comment relevant functions.

Signed-off-by: Daniel C Halperin <daniel.c.halperin@intel.com>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn.c  | 83 ++++++++++++++++++-------
 drivers/net/wireless/iwlwifi/iwl-core.c |  1 +
 2 files changed, 63 insertions(+), 21 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index f586e7e8313..29f3b73c756 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -310,7 +310,7 @@ static void iwl_free_frame(struct iwl_priv *priv, struct iwl_frame *frame)
 	list_add(&frame->list, &priv->free_frames);
 }
 
-static unsigned int iwl_fill_beacon_frame(struct iwl_priv *priv,
+static u32 iwl_fill_beacon_frame(struct iwl_priv *priv,
 					  struct ieee80211_hdr *hdr,
 					  int left)
 {
@@ -327,34 +327,74 @@ static unsigned int iwl_fill_beacon_frame(struct iwl_priv *priv,
 	return priv->ibss_beacon->len;
 }
 
+/* Parse the beacon frame to find the TIM element and set tim_idx & tim_size */
+static void iwl_set_beacon_tim(struct iwl_priv *priv,
+		struct iwl_tx_beacon_cmd *tx_beacon_cmd,
+		u8 *beacon, u32 frame_size)
+{
+	u16 tim_idx;
+	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)beacon;
+
+	/*
+	 * The index is relative to frame start but we start looking at the
+	 * variable-length part of the beacon.
+	 */
+	tim_idx = mgmt->u.beacon.variable - beacon;
+
+	/* Parse variable-length elements of beacon to find WLAN_EID_TIM */
+	while ((tim_idx < (frame_size - 2)) &&
+			(beacon[tim_idx] != WLAN_EID_TIM))
+		tim_idx += beacon[tim_idx+1] + 2;
+
+	/* If TIM field was found, set variables */
+	if ((tim_idx < (frame_size - 1)) && (beacon[tim_idx] == WLAN_EID_TIM)) {
+		tx_beacon_cmd->tim_idx = cpu_to_le16(tim_idx);
+		tx_beacon_cmd->tim_size = beacon[tim_idx+1];
+	} else
+		IWL_WARN(priv, "Unable to find TIM Element in beacon\n");
+}
+
 static unsigned int iwl_hw_get_beacon_cmd(struct iwl_priv *priv,
-				       struct iwl_frame *frame, u8 rate)
+				       struct iwl_frame *frame)
 {
 	struct iwl_tx_beacon_cmd *tx_beacon_cmd;
-	unsigned int frame_size;
+	u32 frame_size;
+	u32 rate_flags;
+	u32 rate;
+	/*
+	 * We have to set up the TX command, the TX Beacon command, and the
+	 * beacon contents.
+	 */
 
+	/* Initialize memory */
 	tx_beacon_cmd = &frame->u.beacon;
 	memset(tx_beacon_cmd, 0, sizeof(*tx_beacon_cmd));
 
-	tx_beacon_cmd->tx.sta_id = priv->hw_params.bcast_sta_id;
-	tx_beacon_cmd->tx.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
-
+	/* Set up TX beacon contents */
 	frame_size = iwl_fill_beacon_frame(priv, tx_beacon_cmd->frame,
 				sizeof(frame->u) - sizeof(*tx_beacon_cmd));
+	if (WARN_ON_ONCE(frame_size > MAX_MPDU_SIZE))
+		return 0;
 
-	BUG_ON(frame_size > MAX_MPDU_SIZE);
+	/* Set up TX command fields */
 	tx_beacon_cmd->tx.len = cpu_to_le16((u16)frame_size);
+	tx_beacon_cmd->tx.sta_id = priv->hw_params.bcast_sta_id;
+	tx_beacon_cmd->tx.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
+	tx_beacon_cmd->tx.tx_flags = TX_CMD_FLG_SEQ_CTL_MSK |
+		TX_CMD_FLG_TSF_MSK | TX_CMD_FLG_STA_RATE_MSK;
 
-	if ((rate == IWL_RATE_1M_PLCP) || (rate >= IWL_RATE_2M_PLCP))
-		tx_beacon_cmd->tx.rate_n_flags =
-			iwl_hw_set_rate_n_flags(rate, RATE_MCS_CCK_MSK);
-	else
-		tx_beacon_cmd->tx.rate_n_flags =
-			iwl_hw_set_rate_n_flags(rate, 0);
+	/* Set up TX beacon command fields */
+	iwl_set_beacon_tim(priv, tx_beacon_cmd, (u8 *)tx_beacon_cmd->frame,
+			frame_size);
 
-	tx_beacon_cmd->tx.tx_flags = TX_CMD_FLG_SEQ_CTL_MSK |
-				     TX_CMD_FLG_TSF_MSK |
-				     TX_CMD_FLG_STA_RATE_MSK;
+	/* Set up packet rate and flags */
+	rate = iwl_rate_get_lowest_plcp(priv);
+	priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant);
+	rate_flags = iwl_ant_idx_to_flags(priv->mgmt_tx_ant);
+	if ((rate >= IWL_FIRST_CCK_RATE) && (rate <= IWL_LAST_CCK_RATE))
+		rate_flags |= RATE_MCS_CCK_MSK;
+	tx_beacon_cmd->tx.rate_n_flags = iwl_hw_set_rate_n_flags(rate,
+			rate_flags);
 
 	return sizeof(*tx_beacon_cmd) + frame_size;
 }
@@ -363,19 +403,20 @@ static int iwl_send_beacon_cmd(struct iwl_priv *priv)
 	struct iwl_frame *frame;
 	unsigned int frame_size;
 	int rc;
-	u8 rate;
 
 	frame = iwl_get_free_frame(priv);
-
 	if (!frame) {
 		IWL_ERR(priv, "Could not obtain free frame buffer for beacon "
 			  "command.\n");
 		return -ENOMEM;
 	}
 
-	rate = iwl_rate_get_lowest_plcp(priv);
-
-	frame_size = iwl_hw_get_beacon_cmd(priv, frame, rate);
+	frame_size = iwl_hw_get_beacon_cmd(priv, frame);
+	if (!frame_size) {
+		IWL_ERR(priv, "Error configuring the beacon command\n");
+		iwl_free_frame(priv, frame);
+		return -EINVAL;
+	}
 
 	rc = iwl_send_cmd_pdu(priv, REPLY_TX_BEACON, frame_size,
 			      &frame->u.cmd[0]);
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 1736c60c3e2..33da44f96e9 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -208,6 +208,7 @@ u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant)
 	}
 	return ant;
 }
+EXPORT_SYMBOL(iwl_toggle_tx_ant);
 
 const u8 iwl_bcast_addr[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
 EXPORT_SYMBOL(iwl_bcast_addr);
-- 
GitLab


From f513dfff9622ac72c461770e1fa01d291ba6ba5a Mon Sep 17 00:00:00 2001
From: Daniel C Halperin <daniel.c.halperin@intel.com>
Date: Fri, 13 Nov 2009 11:56:34 -0800
Subject: [PATCH 1350/1815] iwlwifi: make iwlwifi send beacons

Handle BSS_CHANGED_BEACON_ENABLED to enable the sending
of beacons. Also set the correct HT RXON and QoS config.

Signed-off-by: Daniel C Halperin <daniel.c.halperin@intel.com>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn.c  | 5 +++++
 drivers/net/wireless/iwlwifi/iwl-core.c | 8 ++++++++
 2 files changed, 13 insertions(+)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 29f3b73c756..1c6506529b6 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -2563,6 +2563,10 @@ void iwl_config_ap(struct iwl_priv *priv)
 			IWL_WARN(priv, "REPLY_RXON_TIMING failed - "
 					"Attempting to continue.\n");
 
+		/* AP has all antennas */
+		priv->chain_noise_data.active_chains =
+			priv->hw_params.valid_rx_ant;
+		iwl_set_rxon_ht(priv, &priv->current_ht_config);
 		if (priv->cfg->ops->hcmd->set_rxon_chain)
 			priv->cfg->ops->hcmd->set_rxon_chain(priv);
 
@@ -2591,6 +2595,7 @@ void iwl_config_ap(struct iwl_priv *priv)
 		/* restore RXON assoc */
 		priv->staging_rxon.filter_flags |= RXON_FILTER_ASSOC_MSK;
 		iwlcore_commit_rxon(priv);
+		iwl_reset_qos(priv);
 		spin_lock_irqsave(&priv->lock, flags);
 		iwl_activate_qos(priv, 1);
 		spin_unlock_irqrestore(&priv->lock, flags);
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 33da44f96e9..a2636f4b068 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -2497,6 +2497,14 @@ void iwl_bss_info_changed(struct ieee80211_hw *hw,
 		}
 	}
 
+	if ((changes & BSS_CHANGED_BEACON_ENABLED) &&
+	    vif->bss_conf.enable_beacon) {
+		memcpy(priv->staging_rxon.bssid_addr,
+		       bss_conf->bssid, ETH_ALEN);
+		memcpy(priv->bssid, bss_conf->bssid, ETH_ALEN);
+		iwlcore_config_ap(priv);
+	}
+
 	mutex_unlock(&priv->mutex);
 
 	IWL_DEBUG_MAC80211(priv, "leave\n");
-- 
GitLab


From c397bf15a6067ecf39f8a771907f4721a64fd61f Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Fri, 13 Nov 2009 11:56:35 -0800
Subject: [PATCH 1351/1815] iwlwifi: report PS filtered status

When a frame is sent to a sleeping station, the
microcode reports TX_STATUS_FAIL_DEST_PS as its
status -- we need to translate that to the flag
that mac80211 expects.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-4965.c     |  6 ++----
 drivers/net/wireless/iwlwifi/iwl-5000.c     |  6 ++----
 drivers/net/wireless/iwlwifi/iwl-commands.h | 15 +++++++++++++++
 3 files changed, 19 insertions(+), 8 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index 1d22ea390c0..0efde87b459 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -1864,8 +1864,7 @@ static int iwl4965_tx_status_reply_tx(struct iwl_priv *priv,
 		info = IEEE80211_SKB_CB(priv->txq[txq_id].txb[idx].skb[0]);
 		info->status.rates[0].count = tx_resp->failure_frame + 1;
 		info->flags &= ~IEEE80211_TX_CTL_AMPDU;
-		info->flags |= iwl_is_tx_success(status) ?
-			IEEE80211_TX_STAT_ACK : 0;
+		info->flags |= iwl_tx_status_to_mac80211(status);
 		iwl_hwrate_to_tx_control(priv, rate_n_flags, info);
 		/* FIXME: code repetition end */
 
@@ -2020,8 +2019,7 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
 		}
 	} else {
 		info->status.rates[0].count = tx_resp->failure_frame + 1;
-		info->flags |= iwl_is_tx_success(status) ?
-					IEEE80211_TX_STAT_ACK : 0;
+		info->flags |= iwl_tx_status_to_mac80211(status);
 		iwl_hwrate_to_tx_control(priv,
 					le32_to_cpu(tx_resp->rate_n_flags),
 					info);
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 48982fb4499..570eaa08531 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -993,8 +993,7 @@ static int iwl5000_tx_status_reply_tx(struct iwl_priv *priv,
 		info = IEEE80211_SKB_CB(priv->txq[txq_id].txb[idx].skb[0]);
 		info->status.rates[0].count = tx_resp->failure_frame + 1;
 		info->flags &= ~IEEE80211_TX_CTL_AMPDU;
-		info->flags |= iwl_is_tx_success(status) ?
-					IEEE80211_TX_STAT_ACK : 0;
+		info->flags |= iwl_tx_status_to_mac80211(status);
 		iwl_hwrate_to_tx_control(priv, rate_n_flags, info);
 
 		/* FIXME: code repetition end */
@@ -1139,8 +1138,7 @@ static void iwl5000_rx_reply_tx(struct iwl_priv *priv,
 		BUG_ON(txq_id != txq->swq_id);
 
 		info->status.rates[0].count = tx_resp->failure_frame + 1;
-		info->flags |= iwl_is_tx_success(status) ?
-					IEEE80211_TX_STAT_ACK : 0;
+		info->flags |= iwl_tx_status_to_mac80211(status);
 		iwl_hwrate_to_tx_control(priv,
 					le32_to_cpu(tx_resp->rate_n_flags),
 					info);
diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 6e23a2b5cb8..87a7f2832c5 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -1690,6 +1690,21 @@ enum {
 	TX_ABORT_REQUIRED_MSK = 0x80000000,	/* bits 31:31 */
 };
 
+static inline u32 iwl_tx_status_to_mac80211(u32 status)
+{
+	status &= TX_STATUS_MSK;
+
+	switch (status) {
+	case TX_STATUS_SUCCESS:
+	case TX_STATUS_DIRECT_DONE:
+		return IEEE80211_TX_STAT_ACK;
+	case TX_STATUS_FAIL_DEST_PS:
+		return IEEE80211_TX_STAT_TX_FILTERED;
+	default:
+		return 0;
+	}
+}
+
 static inline bool iwl_is_tx_success(u32 status)
 {
 	status &= TX_STATUS_MSK;
-- 
GitLab


From 9bb487b406692e172b15eba58de7d69358ac2005 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Fri, 13 Nov 2009 11:56:36 -0800
Subject: [PATCH 1352/1815] iwlwifi: add sleep_tx_count ucode station API

This field was marked as reserved before since we didn't
use it, but is present in all released firmwares afaict.
We're going to need it soon, so add it now.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-4965.c     |  1 +
 drivers/net/wireless/iwlwifi/iwl-commands.h | 18 ++++++++++++++++--
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index 0efde87b459..1e58c49dd76 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -1817,6 +1817,7 @@ static u16 iwl4965_build_addsta_hcmd(const struct iwl_addsta_cmd *cmd, u8 *data)
 	addsta->add_immediate_ba_tid = cmd->add_immediate_ba_tid;
 	addsta->remove_immediate_ba_tid = cmd->remove_immediate_ba_tid;
 	addsta->add_immediate_ba_ssn = cmd->add_immediate_ba_ssn;
+	addsta->sleep_tx_count = cmd->sleep_tx_count;
 	addsta->reserved1 = cpu_to_le16(0);
 	addsta->reserved2 = cpu_to_le32(0);
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 87a7f2832c5..aa4e38cbf07 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -1107,7 +1107,14 @@ struct iwl4965_addsta_cmd {
 	 * Set modify_mask bit STA_MODIFY_ADDBA_TID_MSK to use this field. */
 	__le16 add_immediate_ba_ssn;
 
-	__le32 reserved2;
+	/*
+	 * Number of packets OK to transmit to station even though
+	 * it is asleep -- used to synchronise PS-poll and u-APSD
+	 * responses while ucode keeps track of STA sleep state.
+	 */
+	__le16 sleep_tx_count;
+
+	__le16 reserved2;
 } __attribute__ ((packed));
 
 /* 5000 */
@@ -1138,7 +1145,14 @@ struct iwl_addsta_cmd {
 	 * Set modify_mask bit STA_MODIFY_ADDBA_TID_MSK to use this field. */
 	__le16 add_immediate_ba_ssn;
 
-	__le32 reserved2;
+	/*
+	 * Number of packets OK to transmit to station even though
+	 * it is asleep -- used to synchronise PS-poll and u-APSD
+	 * responses while ucode keeps track of STA sleep state.
+	 */
+	__le16 sleep_tx_count;
+
+	__le16 reserved2;
 } __attribute__ ((packed));
 
 
-- 
GitLab


From 6ab10ff8738dfb098fd32132b7ebcf5cdb43ebde Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Fri, 13 Nov 2009 11:56:37 -0800
Subject: [PATCH 1353/1815] iwlwifi: handle unicast PS buffering

Using the new mac80211 functionality, this makes
iwlwifi handle unicast PS buffering correctly.
The device works like this:

 * when a station goes to sleep, the microcode notices
   this and marks the station as asleep
 * when the station is marked asleep, the microcode
   refuses to transmit to the station and rejects all
   frames queued to it with the failure status code
   TX_STATUS_FAIL_DEST_PS (a previous patch handled
   this correctly)
 * when we need to send frames to the station _although_
   it is asleep, we need to tell the ucode how many,
   and this is asynchronous with sending so we cannot
   just send the frames, we need to wait for all other
   frames to be flushed, and then update the counter
   before sending out the poll response frames. This
   is handled partially in the driver and partially in
   mac80211.

In order to do all this correctly, we need to
 * keep track of how many frames are pending for each
   associated client station (avoid doing it for other
   stations to avoid the atomic ops)
 * tell mac80211 that we driver-block the PS status
   while there are still frames pending on the queues,
   and once they are all rejected (due to the dest sta
   being in PS) unblock mac80211

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn.c      | 42 ++++++++++++++++-
 drivers/net/wireless/iwlwifi/iwl-commands.h |  1 +
 drivers/net/wireless/iwlwifi/iwl-debugfs.c  |  2 -
 drivers/net/wireless/iwlwifi/iwl-dev.h      | 10 ++--
 drivers/net/wireless/iwlwifi/iwl-rx.c       | 17 +------
 drivers/net/wireless/iwlwifi/iwl-sta.c      | 29 ++++++------
 drivers/net/wireless/iwlwifi/iwl-sta.h      |  3 +-
 drivers/net/wireless/iwlwifi/iwl-tx.c       | 51 ++++++++++++++++++++-
 8 files changed, 113 insertions(+), 42 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 1c6506529b6..6385cdf24d1 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -2744,6 +2744,45 @@ static int iwl_mac_get_stats(struct ieee80211_hw *hw,
 	return 0;
 }
 
+static void iwl_mac_sta_notify(struct ieee80211_hw *hw,
+			       struct ieee80211_vif *vif,
+			       enum sta_notify_cmd cmd,
+			       struct ieee80211_sta *sta)
+{
+	struct iwl_priv *priv = hw->priv;
+	struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
+	int sta_id;
+
+	/*
+	 * TODO: We really should use this callback to
+	 *	 actually maintain the station table in
+	 *	 the device.
+	 */
+
+	switch (cmd) {
+	case STA_NOTIFY_ADD:
+		atomic_set(&sta_priv->pending_frames, 0);
+		if (vif->type == NL80211_IFTYPE_AP)
+			sta_priv->client = true;
+		break;
+	case STA_NOTIFY_SLEEP:
+		WARN_ON(!sta_priv->client);
+		sta_priv->asleep = true;
+		if (atomic_read(&sta_priv->pending_frames) > 0)
+			ieee80211_sta_block_awake(hw, sta, true);
+		break;
+	case STA_NOTIFY_AWAKE:
+		WARN_ON(!sta_priv->client);
+		sta_priv->asleep = false;
+		sta_id = iwl_find_station(priv, sta->addr);
+		if (sta_id != IWL_INVALID_STATION)
+			iwl_sta_modify_ps_wake(priv, sta_id);
+		break;
+	default:
+		break;
+	}
+}
+
 /*****************************************************************************
  *
  * sysfs attributes
@@ -3175,7 +3214,8 @@ static struct ieee80211_ops iwl_hw_ops = {
 	.reset_tsf = iwl_mac_reset_tsf,
 	.bss_info_changed = iwl_bss_info_changed,
 	.ampdu_action = iwl_mac_ampdu_action,
-	.hw_scan = iwl_mac_hw_scan
+	.hw_scan = iwl_mac_hw_scan,
+	.sta_notify = iwl_mac_sta_notify,
 };
 
 static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index aa4e38cbf07..e9150753192 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -977,6 +977,7 @@ struct iwl_qosparam_cmd {
 #define	STA_MODIFY_TX_RATE_MSK		0x04
 #define STA_MODIFY_ADDBA_TID_MSK	0x08
 #define STA_MODIFY_DELBA_TID_MSK	0x10
+#define STA_MODIFY_SLEEP_TX_COUNT_MSK	0x20
 
 /* Receiver address (actually, Rx station's index into station table),
  * combined with Traffic ID (QOS priority), in format used by Tx Scheduler */
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index ba9c96ff27c..9a5ca25d72c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -336,8 +336,6 @@ static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
 			pos += scnprintf(buf + pos, bufsz - pos,
 					"flags: 0x%x\n",
 					station->sta.station_flags_msk);
-			pos += scnprintf(buf + pos, bufsz - pos,
-					"ps_status: %u\n", station->ps_status);
 			pos += scnprintf(buf + pos, bufsz - pos, "tid data:\n");
 			pos += scnprintf(buf + pos, bufsz - pos,
 					"seq_num\t\ttxq_id");
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index a474383ec0b..f1601cfebc2 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -545,15 +545,11 @@ struct iwl_qos_info {
 	struct iwl_qosparam_cmd def_qos_parm;
 };
 
-#define STA_PS_STATUS_WAKE             0
-#define STA_PS_STATUS_SLEEP            1
-
 
 struct iwl3945_station_entry {
 	struct iwl3945_addsta_cmd sta;
 	struct iwl_tid_data tid[MAX_TID_COUNT];
 	u8 used;
-	u8 ps_status;
 	struct iwl_hw_key keyinfo;
 };
 
@@ -561,7 +557,6 @@ struct iwl_station_entry {
 	struct iwl_addsta_cmd sta;
 	struct iwl_tid_data tid[MAX_TID_COUNT];
 	u8 used;
-	u8 ps_status;
 	struct iwl_hw_key keyinfo;
 };
 
@@ -571,11 +566,12 @@ struct iwl_station_entry {
  * When mac80211 creates a station it reserves some space (hw->sta_data_size)
  * in the structure for use by driver. This structure is places in that
  * space.
- *
- * At the moment use it for the station's rate scaling information.
  */
 struct iwl_station_priv {
 	struct iwl_lq_sta lq_sta;
+	atomic_t pending_frames;
+	bool client;
+	bool asleep;
 };
 
 /* one for each uCode image (inst/data, boot/init/runtime) */
diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c
index 9d010a0d83a..cc980d5d57c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-rx.c
@@ -1028,7 +1028,6 @@ void iwl_rx_reply_rx(struct iwl_priv *priv,
 	struct iwl4965_rx_mpdu_res_start *amsdu;
 	u32 len;
 	u32 ampdu_status;
-	u16 fc;
 	u32 rate_n_flags;
 
 	/**
@@ -1161,20 +1160,8 @@ void iwl_rx_reply_rx(struct iwl_priv *priv,
 		priv->last_tsf = le64_to_cpu(phy_res->timestamp);
 	}
 
-	fc = le16_to_cpu(header->frame_control);
-	switch (fc & IEEE80211_FCTL_FTYPE) {
-	case IEEE80211_FTYPE_MGMT:
-	case IEEE80211_FTYPE_DATA:
-		if (priv->iw_mode == NL80211_IFTYPE_AP)
-			iwl_update_ps_mode(priv, fc  & IEEE80211_FCTL_PM,
-						header->addr2);
-		/* fall through */
-	default:
-		iwl_pass_packet_to_mac80211(priv, header, len, ampdu_status,
-				rxb, &rx_status);
-		break;
-
-	}
+	iwl_pass_packet_to_mac80211(priv, header, len, ampdu_status,
+				    rxb, &rx_status);
 }
 EXPORT_SYMBOL(iwl_rx_reply_rx);
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c
index eba36f73738..cd6a6901216 100644
--- a/drivers/net/wireless/iwlwifi/iwl-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-sta.c
@@ -1216,7 +1216,7 @@ int iwl_sta_rx_agg_stop(struct iwl_priv *priv, const u8 *addr, int tid)
 }
 EXPORT_SYMBOL(iwl_sta_rx_agg_stop);
 
-static void iwl_sta_modify_ps_wake(struct iwl_priv *priv, int sta_id)
+void iwl_sta_modify_ps_wake(struct iwl_priv *priv, int sta_id)
 {
 	unsigned long flags;
 
@@ -1224,27 +1224,26 @@ static void iwl_sta_modify_ps_wake(struct iwl_priv *priv, int sta_id)
 	priv->stations[sta_id].sta.station_flags &= ~STA_FLG_PWR_SAVE_MSK;
 	priv->stations[sta_id].sta.station_flags_msk = STA_FLG_PWR_SAVE_MSK;
 	priv->stations[sta_id].sta.sta.modify_mask = 0;
+	priv->stations[sta_id].sta.sleep_tx_count = 0;
 	priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
 	spin_unlock_irqrestore(&priv->sta_lock, flags);
 
 	iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
 }
+EXPORT_SYMBOL(iwl_sta_modify_ps_wake);
 
-void iwl_update_ps_mode(struct iwl_priv *priv, u16 ps_bit, u8 *addr)
+void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt)
 {
-	/* FIXME: need locking over ps_status ??? */
-	u8 sta_id = iwl_find_station(priv, addr);
+	unsigned long flags;
 
-	if (sta_id != IWL_INVALID_STATION) {
-		u8 sta_awake = priv->stations[sta_id].
-				ps_status == STA_PS_STATUS_WAKE;
+	spin_lock_irqsave(&priv->sta_lock, flags);
+	priv->stations[sta_id].sta.station_flags |= STA_FLG_PWR_SAVE_MSK;
+	priv->stations[sta_id].sta.station_flags_msk = STA_FLG_PWR_SAVE_MSK;
+	priv->stations[sta_id].sta.sta.modify_mask =
+					STA_MODIFY_SLEEP_TX_COUNT_MSK;
+	priv->stations[sta_id].sta.sleep_tx_count = cpu_to_le16(cnt);
+	priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
+	spin_unlock_irqrestore(&priv->sta_lock, flags);
 
-		if (sta_awake && ps_bit)
-			priv->stations[sta_id].ps_status = STA_PS_STATUS_SLEEP;
-		else if (!sta_awake && !ps_bit) {
-			iwl_sta_modify_ps_wake(priv, sta_id);
-			priv->stations[sta_id].ps_status = STA_PS_STATUS_WAKE;
-		}
-	}
+	iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
 }
-
diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.h b/drivers/net/wireless/iwlwifi/iwl-sta.h
index 1c382de80d4..8d052de2d40 100644
--- a/drivers/net/wireless/iwlwifi/iwl-sta.h
+++ b/drivers/net/wireless/iwlwifi/iwl-sta.h
@@ -66,5 +66,6 @@ void iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid);
 int iwl_sta_rx_agg_start(struct iwl_priv *priv,
 			 const u8 *addr, int tid, u16 ssn);
 int iwl_sta_rx_agg_stop(struct iwl_priv *priv, const u8 *addr, int tid);
-void iwl_update_ps_mode(struct iwl_priv *priv, u16 ps_bit, u8 *addr);
+void iwl_sta_modify_ps_wake(struct iwl_priv *priv, int sta_id);
+void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt);
 #endif /* __iwl_sta_h__ */
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index 9370e062000..ebfc460115d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -709,6 +709,8 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 {
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	struct ieee80211_sta *sta = info->control.sta;
+	struct iwl_station_priv *sta_priv = NULL;
 	struct iwl_tx_queue *txq;
 	struct iwl_queue *q;
 	struct iwl_device_cmd *out_cmd;
@@ -771,6 +773,24 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 
 	IWL_DEBUG_TX(priv, "station Id %d\n", sta_id);
 
+	if (sta)
+		sta_priv = (void *)sta->drv_priv;
+
+	if (sta_priv && sta_id != priv->hw_params.bcast_sta_id &&
+	    sta_priv->asleep) {
+		WARN_ON(!(info->flags & IEEE80211_TX_CTL_PSPOLL_RESPONSE));
+		/*
+		 * This sends an asynchronous command to the device,
+		 * but we can rely on it being processed before the
+		 * next frame is processed -- and the next frame to
+		 * this station is the one that will consume this
+		 * counter.
+		 * For now set the counter to just 1 since we do not
+		 * support uAPSD yet.
+		 */
+		iwl_sta_modify_sleep_tx_count(priv, sta_id, 1);
+	}
+
 	txq_id = skb_get_queue_mapping(skb);
 	if (ieee80211_is_data_qos(fc)) {
 		qc = ieee80211_get_qos_ctl(hdr);
@@ -930,6 +950,17 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 	ret = iwl_txq_update_write_ptr(priv, txq);
 	spin_unlock_irqrestore(&priv->lock, flags);
 
+	/*
+	 * At this point the frame is "transmitted" successfully
+	 * and we will get a TX status notification eventually,
+	 * regardless of the value of ret. "ret" only indicates
+	 * whether or not we should update the write pointer.
+	 */
+
+	/* avoid atomic ops if it isn't an associated client */
+	if (sta_priv && sta_priv->client)
+		atomic_inc(&sta_priv->pending_frames);
+
 	if (ret)
 		return ret;
 
@@ -1074,6 +1105,24 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
 	return ret ? ret : idx;
 }
 
+static void iwl_tx_status(struct iwl_priv *priv, struct sk_buff *skb)
+{
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+	struct ieee80211_sta *sta;
+	struct iwl_station_priv *sta_priv;
+
+	sta = ieee80211_find_sta(priv->vif, hdr->addr1);
+	if (sta) {
+		sta_priv = (void *)sta->drv_priv;
+		/* avoid atomic ops if this isn't a client */
+		if (sta_priv->client &&
+		    atomic_dec_return(&sta_priv->pending_frames) == 0)
+			ieee80211_sta_block_awake(priv->hw, sta, false);
+	}
+
+	ieee80211_tx_status_irqsafe(priv->hw, skb);
+}
+
 int iwl_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index)
 {
 	struct iwl_tx_queue *txq = &priv->txq[txq_id];
@@ -1093,7 +1142,7 @@ int iwl_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index)
 	     q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd)) {
 
 		tx_info = &txq->txb[txq->q.read_ptr];
-		ieee80211_tx_status_irqsafe(priv->hw, tx_info->skb[0]);
+		iwl_tx_status(priv, tx_info->skb[0]);
 		tx_info->skb[0] = NULL;
 
 		if (priv->cfg->ops->lib->txq_inval_byte_cnt_tbl)
-- 
GitLab


From 9e595d24b13a021ead42bedd5edba8801b0da6cd Mon Sep 17 00:00:00 2001
From: Ben Cahill <ben.m.cahill@intel.com>
Date: Fri, 13 Nov 2009 11:56:38 -0800
Subject: [PATCH 1354/1815] iwlwifi: Add comments about CSR registers

Also regroup CSR_EEPROM and CSR_OTP bit field definitions.

Signed-off-by: Ben Cahill <ben.m.cahill@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-csr.h | 177 +++++++++++++++++++++----
 1 file changed, 150 insertions(+), 27 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-csr.h b/drivers/net/wireless/iwlwifi/iwl-csr.h
index b6ed5a3147a..68ed8220672 100644
--- a/drivers/net/wireless/iwlwifi/iwl-csr.h
+++ b/drivers/net/wireless/iwlwifi/iwl-csr.h
@@ -62,11 +62,29 @@
  *****************************************************************************/
 #ifndef __iwl_csr_h__
 #define __iwl_csr_h__
-/*=== CSR (control and status registers) ===*/
+/*
+ * CSR (control and status registers)
+ *
+ * CSR registers are mapped directly into PCI bus space, and are accessible
+ * whenever platform supplies power to device, even when device is in
+ * low power states due to driver-invoked device resets
+ * (e.g. CSR_RESET_REG_FLAG_SW_RESET) or uCode-driven power-saving modes.
+ *
+ * Use iwl_write32() and iwl_read32() family to access these registers;
+ * these provide simple PCI bus access, without waking up the MAC.
+ * Do not use iwl_write_direct32() family for these registers;
+ * no need to "grab nic access" via CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ.
+ * The MAC (uCode processor, etc.) does not need to be powered up for accessing
+ * the CSR registers.
+ *
+ * NOTE:  Newer devices using one-time-programmable (OTP) memory
+ *        require device to be awake in order to read this memory
+ *        via CSR_EEPROM and CSR_OTP registers
+ */
 #define CSR_BASE    (0x000)
 
 #define CSR_HW_IF_CONFIG_REG    (CSR_BASE+0x000) /* hardware interface config */
-#define CSR_INT_COALESCING     (CSR_BASE+0x004) /* accum ints, 32-usec units */
+#define CSR_INT_COALESCING      (CSR_BASE+0x004) /* accum ints, 32-usec units */
 #define CSR_INT                 (CSR_BASE+0x008) /* host interrupt status/ack */
 #define CSR_INT_MASK            (CSR_BASE+0x00c) /* host interrupt enable */
 #define CSR_FH_INT_STATUS       (CSR_BASE+0x010) /* busmaster int status/ack*/
@@ -74,42 +92,65 @@
 #define CSR_RESET               (CSR_BASE+0x020) /* busmaster enable, NMI, etc*/
 #define CSR_GP_CNTRL            (CSR_BASE+0x024)
 
+/* 2nd byte of CSR_INT_COALESCING, not accessible via iwl_write32()! */
+#define CSR_INT_PERIODIC_REG	(CSR_BASE+0x005)
+
 /*
  * Hardware revision info
  * Bit fields:
  * 31-8:  Reserved
- *  7-4:  Type of device:  0x0 = 4965, 0xd = 3945
+ *  7-4:  Type of device:  see CSR_HW_REV_TYPE_xxx definitions
  *  3-2:  Revision step:  0 = A, 1 = B, 2 = C, 3 = D
- *  1-0:  "Dash" value, as in A-1, etc.
+ *  1-0:  "Dash" (-) value, as in A-1, etc.
  *
  * NOTE:  Revision step affects calculation of CCK txpower for 4965.
+ * NOTE:  See also CSR_HW_REV_WA_REG (work-around for bug in 4965).
  */
 #define CSR_HW_REV              (CSR_BASE+0x028)
 
-/* EEPROM reads */
+/*
+ * EEPROM and OTP (one-time-programmable) memory reads
+ *
+ * NOTE:  For (newer) devices using OTP, device must be awake, initialized via
+ *        apm_ops.init() in order to read.  Older devices (3945/4965/5000)
+ *        use EEPROM and do not require this.
+ */
 #define CSR_EEPROM_REG          (CSR_BASE+0x02c)
 #define CSR_EEPROM_GP           (CSR_BASE+0x030)
 #define CSR_OTP_GP_REG   	(CSR_BASE+0x034)
+
 #define CSR_GIO_REG		(CSR_BASE+0x03C)
 #define CSR_GP_UCODE_REG	(CSR_BASE+0x048)
 #define CSR_GP_DRIVER_REG	(CSR_BASE+0x050)
+
+/*
+ * UCODE-DRIVER GP (general purpose) mailbox registers.
+ * SET/CLR registers set/clear bit(s) if "1" is written.
+ */
 #define CSR_UCODE_DRV_GP1       (CSR_BASE+0x054)
 #define CSR_UCODE_DRV_GP1_SET   (CSR_BASE+0x058)
 #define CSR_UCODE_DRV_GP1_CLR   (CSR_BASE+0x05c)
 #define CSR_UCODE_DRV_GP2       (CSR_BASE+0x060)
+
 #define CSR_LED_REG             (CSR_BASE+0x094)
 #define CSR_DRAM_INT_TBL_REG	(CSR_BASE+0x0A0)
+
+/* GIO Chicken Bits (PCI Express bus link power management) */
 #define CSR_GIO_CHICKEN_BITS    (CSR_BASE+0x100)
 
-#define CSR_INT_PERIODIC_REG	(CSR_BASE+0x005)
 /* Analog phase-lock-loop configuration  */
 #define CSR_ANA_PLL_CFG         (CSR_BASE+0x20c)
+
 /*
- * Indicates hardware rev, to determine CCK backoff for txpower calculation.
+ * CSR Hardware Revision Workaround Register.  Indicates hardware rev;
+ * "step" determines CCK backoff for txpower calculation.  Used for 4965 only.
+ * See also CSR_HW_REV register.
  * Bit fields:
  *  3-2:  0 = A, 1 = B, 2 = C, 3 = D step
+ *  1-0:  "Dash" (-) value, as in C-1, etc.
  */
 #define CSR_HW_REV_WA_REG		(CSR_BASE+0x22C)
+
 #define CSR_DBG_HPET_MEM_REG		(CSR_BASE+0x240)
 #define CSR_DBG_LINK_PWR_MGMT_REG	(CSR_BASE+0x250)
 
@@ -126,11 +167,11 @@
 #define CSR39_HW_IF_CONFIG_REG_BITS_SILICON_TYPE_A    (0x00000000)
 #define CSR39_HW_IF_CONFIG_REG_BITS_SILICON_TYPE_B    (0x00001000)
 
-#define CSR_HW_IF_CONFIG_REG_BIT_HAP_WAKE_L1A		(0x00080000)
-#define CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM		(0x00200000)
-#define CSR_HW_IF_CONFIG_REG_BIT_NIC_READY		(0x00400000)
-#define CSR_HW_IF_CONFIG_REG_BIT_NIC_PREPARE_DONE	(0x02000000)
-#define CSR_HW_IF_CONFIG_REG_PREPARE			(0x08000000)
+#define CSR_HW_IF_CONFIG_REG_BIT_HAP_WAKE_L1A	(0x00080000)
+#define CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM	(0x00200000)
+#define CSR_HW_IF_CONFIG_REG_BIT_NIC_READY	(0x00400000) /* PCI_OWN_SEM */
+#define CSR_HW_IF_CONFIG_REG_BIT_NIC_PREPARE_DONE (0x02000000) /* ME_OWN */
+#define CSR_HW_IF_CONFIG_REG_PREPARE		  (0x08000000) /* WAKE_ME */
 
 #define CSR_INT_PERIODIC_DIS			(0x00)
 #define CSR_INT_PERIODIC_ENA			(0xFF)
@@ -198,7 +239,44 @@
 #define CSR_RESET_REG_FLAG_STOP_MASTER               (0x00000200)
 #define CSR_RESET_LINK_PWR_MGMT_DISABLED             (0x80000000)
 
-/* GP (general purpose) CONTROL */
+/*
+ * GP (general purpose) CONTROL REGISTER
+ * Bit fields:
+ *    27:  HW_RF_KILL_SW
+ *         Indicates state of (platform's) hardware RF-Kill switch
+ * 26-24:  POWER_SAVE_TYPE
+ *         Indicates current power-saving mode:
+ *         000 -- No power saving
+ *         001 -- MAC power-down
+ *         010 -- PHY (radio) power-down
+ *         011 -- Error
+ *   9-6:  SYS_CONFIG
+ *         Indicates current system configuration, reflecting pins on chip
+ *         as forced high/low by device circuit board.
+ *     4:  GOING_TO_SLEEP
+ *         Indicates MAC is entering a power-saving sleep power-down.
+ *         Not a good time to access device-internal resources.
+ *     3:  MAC_ACCESS_REQ
+ *         Host sets this to request and maintain MAC wakeup, to allow host
+ *         access to device-internal resources.  Host must wait for
+ *         MAC_CLOCK_READY (and !GOING_TO_SLEEP) before accessing non-CSR
+ *         device registers.
+ *     2:  INIT_DONE
+ *         Host sets this to put device into fully operational D0 power mode.
+ *         Host resets this after SW_RESET to put device into low power mode.
+ *     0:  MAC_CLOCK_READY
+ *         Indicates MAC (ucode processor, etc.) is powered up and can run.
+ *         Internal resources are accessible.
+ *         NOTE:  This does not indicate that the processor is actually running.
+ *         NOTE:  This does not indicate that 4965 or 3945 has completed
+ *                init or post-power-down restore of internal SRAM memory.
+ *                Use CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP as indication that
+ *                SRAM is restored and uCode is in normal operation mode.
+ *                Later devices (5xxx/6xxx/1xxx) use non-volatile SRAM, and
+ *                do not need to save/restore it.
+ *         NOTE:  After device reset, this bit remains "0" until host sets
+ *                INIT_DONE
+ */
 #define CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY        (0x00000001)
 #define CSR_GP_CNTRL_REG_FLAG_INIT_DONE              (0x00000004)
 #define CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ         (0x00000008)
@@ -231,28 +309,58 @@
 #define CSR_EEPROM_REG_MSK_DATA		(0xFFFF0000)
 
 /* EEPROM GP */
-#define CSR_EEPROM_GP_VALID_MSK		(0x00000007)
+#define CSR_EEPROM_GP_VALID_MSK		(0x00000007) /* signature */
 #define CSR_EEPROM_GP_IF_OWNER_MSK	(0x00000180)
+#define CSR_EEPROM_GP_BAD_SIGNATURE_BOTH_EEP_AND_OTP	(0x00000000)
+#define CSR_EEPROM_GP_BAD_SIG_EEP_GOOD_SIG_OTP		(0x00000001)
+#define CSR_EEPROM_GP_GOOD_SIG_EEP_LESS_THAN_4K		(0x00000002)
+#define CSR_EEPROM_GP_GOOD_SIG_EEP_MORE_THAN_4K		(0x00000004)
+
+/* One-time-programmable memory general purpose reg */
 #define CSR_OTP_GP_REG_DEVICE_SELECT	(0x00010000) /* 0 - EEPROM, 1 - OTP */
 #define CSR_OTP_GP_REG_OTP_ACCESS_MODE	(0x00020000) /* 0 - absolute, 1 - relative */
 #define CSR_OTP_GP_REG_ECC_CORR_STATUS_MSK          (0x00100000) /* bit 20 */
 #define CSR_OTP_GP_REG_ECC_UNCORR_STATUS_MSK        (0x00200000) /* bit 21 */
+
+/* GP REG */
 #define CSR_GP_REG_POWER_SAVE_STATUS_MSK            (0x03000000) /* bit 24/25 */
 #define CSR_GP_REG_NO_POWER_SAVE            (0x00000000)
 #define CSR_GP_REG_MAC_POWER_SAVE           (0x01000000)
 #define CSR_GP_REG_PHY_POWER_SAVE           (0x02000000)
 #define CSR_GP_REG_POWER_SAVE_ERROR         (0x03000000)
 
-/* EEPROM signature */
-#define CSR_EEPROM_GP_BAD_SIGNATURE_BOTH_EEP_AND_OTP	(0x00000000)
-#define CSR_EEPROM_GP_BAD_SIG_EEP_GOOD_SIG_OTP		(0x00000001)
-#define CSR_EEPROM_GP_GOOD_SIG_EEP_LESS_THAN_4K		(0x00000002)
-#define CSR_EEPROM_GP_GOOD_SIG_EEP_MORE_THAN_4K		(0x00000004)
 
 /* CSR GIO */
 #define CSR_GIO_REG_VAL_L0S_ENABLED	(0x00000002)
 
-/* UCODE DRV GP */
+/*
+ * UCODE-DRIVER GP (general purpose) mailbox register 1
+ * Host driver and uCode write and/or read this register to communicate with
+ * each other.
+ * Bit fields:
+ *     4:  UCODE_DISABLE
+ *         Host sets this to request permanent halt of uCode, same as
+ *         sending CARD_STATE command with "halt" bit set.
+ *     3:  CT_KILL_EXIT
+ *         Host sets this to request exit from CT_KILL state, i.e. host thinks
+ *         device temperature is low enough to continue normal operation.
+ *     2:  CMD_BLOCKED
+ *         Host sets this during RF KILL power-down sequence (HW, SW, CT KILL)
+ *         to release uCode to clear all Tx and command queues, enter
+ *         unassociated mode, and power down.
+ *         NOTE:  Some devices also use HBUS_TARG_MBX_C register for this bit.
+ *     1:  SW_BIT_RFKILL
+ *         Host sets this when issuing CARD_STATE command to request
+ *         device sleep.
+ *     0:  MAC_SLEEP
+ *         uCode sets this when preparing a power-saving power-down.
+ *         uCode resets this when power-up is complete and SRAM is sane.
+ *         NOTE:  3945/4965 saves internal SRAM data to host when powering down,
+ *                and must restore this data after powering back up.
+ *                MAC_SLEEP is the best indication that restore is complete.
+ *                Later devices (5xxx/6xxx/1xxx) use non-volatile SRAM, and
+ *                do not need to save/restore it.
+ */
 #define CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP             (0x00000001)
 #define CSR_UCODE_SW_BIT_RFKILL                     (0x00000002)
 #define CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED           (0x00000004)
@@ -265,7 +373,7 @@
 #define CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_IPA	    (0x00000002)
 
 
-/* GI Chicken Bits */
+/* GIO Chicken Bits (PCI Express bus link power management) */
 #define CSR_GIO_CHICKEN_BITS_REG_BIT_L1A_NO_L0S_RX  (0x00800000)
 #define CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER  (0x20000000)
 
@@ -285,8 +393,23 @@
 #define CSR_DRAM_INT_TBL_ENABLE		(1 << 31)
 #define CSR_DRAM_INIT_TBL_WRAP_CHECK	(1 << 27)
 
-/*=== HBUS (Host-side Bus) ===*/
+/*
+ * HBUS (Host-side Bus)
+ *
+ * HBUS registers are mapped directly into PCI bus space, but are used
+ * to indirectly access device's internal memory or registers that
+ * may be powered-down.
+ *
+ * Use iwl_write_direct32()/iwl_read_direct32() family for these registers;
+ * host must "grab nic access" via CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ
+ * to make sure the MAC (uCode processor, etc.) is powered up for accessing
+ * internal resources.
+ *
+ * Do not use iwl_write32()/iwl_read32() family to access these registers;
+ * these provide only simple PCI bus access, without waking up the MAC.
+ */
 #define HBUS_BASE	(0x400)
+
 /*
  * Registers for accessing device's internal SRAM memory (e.g. SCD SRAM
  * structures, error log, event log, verifying uCode load).
@@ -301,6 +424,10 @@
 #define HBUS_TARG_MEM_WDAT      (HBUS_BASE+0x018)
 #define HBUS_TARG_MEM_RDAT      (HBUS_BASE+0x01c)
 
+/* Mailbox C, used as workaround alternative to CSR_UCODE_DRV_GP1 mailbox */
+#define HBUS_TARG_MBX_C         (HBUS_BASE+0x030)
+#define HBUS_TARG_MBX_C_REG_BIT_CMD_BLOCKED         (0x00000004)
+
 /*
  * Registers for accessing device's internal peripheral registers
  * (e.g. SCD, BSM, etc.).  First write to address register,
@@ -315,16 +442,12 @@
 #define HBUS_TARG_PRPH_RDAT     (HBUS_BASE+0x050)
 
 /*
- * Per-Tx-queue write pointer (index, really!) (3945 and 4965).
+ * Per-Tx-queue write pointer (index, really!)
  * Indicates index to next TFD that driver will fill (1 past latest filled).
  * Bit usage:
  *  0-7:  queue write index
  * 11-8:  queue selector
  */
 #define HBUS_TARG_WRPTR         (HBUS_BASE+0x060)
-#define HBUS_TARG_MBX_C         (HBUS_BASE+0x030)
-
-#define HBUS_TARG_MBX_C_REG_BIT_CMD_BLOCKED         (0x00000004)
-
 
 #endif /* !__iwl_csr_h__ */
-- 
GitLab


From 7d57b73a73040525dfe22c56d823f146711ff971 Mon Sep 17 00:00:00 2001
From: Christian Lamparter <chunkeey@googlemail.com>
Date: Sat, 14 Nov 2009 00:57:58 +0100
Subject: [PATCH 1355/1815] ar9170: do not discard valuable DUPOFDM frames

This patch enables the driver to process all incoming
dupofdm-modulated frames when operating in HT40 mode.

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ar9170/main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ar9170/main.c b/drivers/net/wireless/ath/ar9170/main.c
index 7e59b82e64d..bd2a276c870 100644
--- a/drivers/net/wireless/ath/ar9170/main.c
+++ b/drivers/net/wireless/ath/ar9170/main.c
@@ -850,6 +850,7 @@ static int ar9170_rx_mac_status(struct ar9170 *ar,
 		}
 		break;
 
+	case AR9170_RX_STATUS_MODULATION_DUPOFDM:
 	case AR9170_RX_STATUS_MODULATION_OFDM:
 		switch (head->plcp[0] & 0xf) {
 		case 0xb:
@@ -897,8 +898,7 @@ static int ar9170_rx_mac_status(struct ar9170 *ar,
 		status->flag |= RX_FLAG_HT;
 		break;
 
-	case AR9170_RX_STATUS_MODULATION_DUPOFDM:
-		/* XXX */
+	default:
 		if (ar9170_nag_limiter(ar))
 			printk(KERN_ERR "%s: invalid modulation\n",
 			       wiphy_name(ar->hw->wiphy));
-- 
GitLab


From 3e5b1101f59fb3e17a8eb32cca100ae07fd7100e Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sat, 14 Nov 2009 03:29:38 +0100
Subject: [PATCH 1356/1815] mac80211: reduce the amount of unnecessary traffic
 on cooked monitor interfaces

In order to handle association and authentication in AP mode,
hostapd needs access to the tx status info of its own frames
through a cooked monitor interface. Without this patch the
cooked monitor interfaces also passed on tx status information
for packets from other virtual interfaces. This creates a
significant performance issue on embedded system. Hostapd
tries to work around this by installing a Linux Socket Filter
that only captures the frames it's interested in, however
data duplication and socket filter matching still uses up
enough CPU cycles to be very noticeable on small systems.
This patch ensures that tx status information of non-injected
frames does not make it to cooked monitor interfaces.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/main.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index beb8718d905..c74a6a1935b 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -587,6 +587,11 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
 			if (!netif_running(sdata->dev))
 				continue;
 
+			if ((sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES) &&
+			    !(info->flags & IEEE80211_TX_CTL_INJECTED) &&
+			    (type == IEEE80211_FTYPE_DATA))
+				continue;
+
 			if (prev_dev) {
 				skb2 = skb_clone(skb, GFP_ATOMIC);
 				if (skb2) {
-- 
GitLab


From 599bf6a4d64d8399e99514e0e1ef02e97e43238f Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sun, 15 Nov 2009 23:07:30 +0100
Subject: [PATCH 1357/1815] mac80211: add the total ampdu length to tx info

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 include/net/mac80211.h | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 2c10eac637d..3b3defbe6fc 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -390,10 +390,12 @@ struct ieee80211_tx_rate {
  * @control: union for control data
  * @status: union for status data
  * @driver_data: array of driver_data pointers
- * @ampdu_ack_len: number of aggregated frames.
+ * @ampdu_ack_len: number of acked aggregated frames.
  * 	relevant only if IEEE80211_TX_STATUS_AMPDU was set.
  * @ampdu_ack_map: block ack bit map for the aggregation.
  * 	relevant only if IEEE80211_TX_STATUS_AMPDU was set.
+ * @ampdu_len: number of aggregated frames.
+ * 	relevant only if IEEE80211_TX_STATUS_AMPDU was set.
  * @ack_signal: signal strength of the ACK frame
  */
 struct ieee80211_tx_info {
@@ -428,7 +430,8 @@ struct ieee80211_tx_info {
 			u8 ampdu_ack_len;
 			u64 ampdu_ack_map;
 			int ack_signal;
-			/* 8 bytes free */
+			u8 ampdu_len;
+			/* 7 bytes free */
 		} status;
 		struct {
 			struct ieee80211_tx_rate driver_rates[
-- 
GitLab


From 827e69bf6734193d7a6f47f0435db7ebef1b636e Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sun, 15 Nov 2009 23:09:25 +0100
Subject: [PATCH 1358/1815] ath9k: get rid of tx_info_priv

This patch removes the need for separately allocated private tx info
data in ath9k and brings the driver one small step closer to using the
mac80211 rate control API properly.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/common.h  |  1 +
 drivers/net/wireless/ath/ath9k/debug.c   | 11 ++--
 drivers/net/wireless/ath/ath9k/rc.c      | 71 ++++++++++++------------
 drivers/net/wireless/ath/ath9k/rc.h      | 18 ++----
 drivers/net/wireless/ath/ath9k/virtual.c |  9 +--
 drivers/net/wireless/ath/ath9k/xmit.c    | 70 +++++++++++------------
 6 files changed, 83 insertions(+), 97 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/common.h b/drivers/net/wireless/ath/ath9k/common.h
index 292e3d860c0..4e117602935 100644
--- a/drivers/net/wireless/ath/ath9k/common.h
+++ b/drivers/net/wireless/ath/ath9k/common.h
@@ -81,6 +81,7 @@ struct ath_buf {
 	u16 bf_flags;
 	struct ath_buf_state bf_state;
 	dma_addr_t bf_dmacontext;
+	struct ath_wiphy *aphy;
 };
 
 struct ath_atx_tid {
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 84f44269de4..06f1fcfb03e 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -257,14 +257,17 @@ static const struct file_operations fops_interrupt = {
 
 void ath_debug_stat_rc(struct ath_softc *sc, struct sk_buff *skb)
 {
-	struct ath_tx_info_priv *tx_info_priv = NULL;
 	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
 	struct ieee80211_tx_rate *rates = tx_info->status.rates;
-	int final_ts_idx, idx;
+	int final_ts_idx = 0, idx, i;
 	struct ath_rc_stats *stats;
 
-	tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
-	final_ts_idx = tx_info_priv->tx.ts_rateindex;
+	for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
+		if (!rates[i].count)
+			break;
+
+		final_ts_idx = i;
+	}
 	idx = rates[final_ts_idx].idx;
 	stats = &sc->debug.stats.rcstats[idx];
 	stats->success++;
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index bb72b46567f..ea4b9081b4d 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -859,12 +859,12 @@ static void ath_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
 static bool ath_rc_update_per(struct ath_softc *sc,
 			      const struct ath_rate_table *rate_table,
 			      struct ath_rate_priv *ath_rc_priv,
-			      struct ath_tx_info_priv *tx_info_priv,
+				  struct ieee80211_tx_info *tx_info,
 			      int tx_rate, int xretries, int retries,
 			      u32 now_msec)
 {
 	bool state_change = false;
-	int count;
+	int count, n_bad_frames;
 	u8 last_per;
 	static u32 nretry_to_per_lookup[10] = {
 		100 * 0 / 1,
@@ -880,6 +880,7 @@ static bool ath_rc_update_per(struct ath_softc *sc,
 	};
 
 	last_per = ath_rc_priv->per[tx_rate];
+	n_bad_frames = tx_info->status.ampdu_len - tx_info->status.ampdu_ack_len;
 
 	if (xretries) {
 		if (xretries == 1) {
@@ -907,7 +908,7 @@ static bool ath_rc_update_per(struct ath_softc *sc,
 		if (retries >= count)
 			retries = count - 1;
 
-		if (tx_info_priv->n_bad_frames) {
+		if (n_bad_frames) {
 			/* new_PER = 7/8*old_PER + 1/8*(currentPER)
 			 * Assuming that n_frames is not 0.  The current PER
 			 * from the retries is 100 * retries / (retries+1),
@@ -920,14 +921,14 @@ static bool ath_rc_update_per(struct ath_softc *sc,
 			 * the above PER.  The expression below is a
 			 * simplified version of the sum of these two terms.
 			 */
-			if (tx_info_priv->n_frames > 0) {
-				int n_frames, n_bad_frames;
+			if (tx_info->status.ampdu_len > 0) {
+				int n_frames, n_bad_tries;
 				u8 cur_per, new_per;
 
-				n_bad_frames = retries * tx_info_priv->n_frames +
-					tx_info_priv->n_bad_frames;
-				n_frames = tx_info_priv->n_frames * (retries + 1);
-				cur_per = (100 * n_bad_frames / n_frames) >> 3;
+				n_bad_tries = retries * tx_info->status.ampdu_len +
+					n_bad_frames;
+				n_frames = tx_info->status.ampdu_len * (retries + 1);
+				cur_per = (100 * n_bad_tries / n_frames) >> 3;
 				new_per = (u8)(last_per - (last_per >> 3) + cur_per);
 				ath_rc_priv->per[tx_rate] = new_per;
 			}
@@ -943,8 +944,7 @@ static bool ath_rc_update_per(struct ath_softc *sc,
 		 * this was a probe.  Otherwise, ignore the probe.
 		 */
 		if (ath_rc_priv->probe_rate && ath_rc_priv->probe_rate == tx_rate) {
-			if (retries > 0 || 2 * tx_info_priv->n_bad_frames >
-				tx_info_priv->n_frames) {
+			if (retries > 0 || 2 * n_bad_frames > tx_info->status.ampdu_len) {
 				/*
 				 * Since we probed with just a single attempt,
 				 * any retries means the probe failed.  Also,
@@ -1003,7 +1003,7 @@ static bool ath_rc_update_per(struct ath_softc *sc,
 
 static void ath_rc_update_ht(struct ath_softc *sc,
 			     struct ath_rate_priv *ath_rc_priv,
-			     struct ath_tx_info_priv *tx_info_priv,
+			     struct ieee80211_tx_info *tx_info,
 			     int tx_rate, int xretries, int retries)
 {
 	u32 now_msec = jiffies_to_msecs(jiffies);
@@ -1020,7 +1020,7 @@ static void ath_rc_update_ht(struct ath_softc *sc,
 
 	/* Update PER first */
 	state_change = ath_rc_update_per(sc, rate_table, ath_rc_priv,
-					 tx_info_priv, tx_rate, xretries,
+					 tx_info, tx_rate, xretries,
 					 retries, now_msec);
 
 	/*
@@ -1098,7 +1098,6 @@ static void ath_rc_tx_status(struct ath_softc *sc,
 			     struct ieee80211_tx_info *tx_info,
 			     int final_ts_idx, int xretries, int long_retry)
 {
-	struct ath_tx_info_priv *tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
 	const struct ath_rate_table *rate_table;
 	struct ieee80211_tx_rate *rates = tx_info->status.rates;
 	u8 flags;
@@ -1124,9 +1123,8 @@ static void ath_rc_tx_status(struct ath_softc *sc,
 					return;
 
 				rix = ath_rc_get_rateindex(rate_table, &rates[i]);
-				ath_rc_update_ht(sc, ath_rc_priv,
-						tx_info_priv, rix,
-						xretries ? 1 : 2,
+				ath_rc_update_ht(sc, ath_rc_priv, tx_info,
+						rix, xretries ? 1 : 2,
 						rates[i].count);
 			}
 		}
@@ -1149,8 +1147,7 @@ static void ath_rc_tx_status(struct ath_softc *sc,
 		return;
 
 	rix = ath_rc_get_rateindex(rate_table, &rates[i]);
-	ath_rc_update_ht(sc, ath_rc_priv, tx_info_priv, rix,
-			 xretries, long_retry);
+	ath_rc_update_ht(sc, ath_rc_priv, tx_info, rix, xretries, long_retry);
 }
 
 static const
@@ -1301,23 +1298,30 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband,
 {
 	struct ath_softc *sc = priv;
 	struct ath_rate_priv *ath_rc_priv = priv_sta;
-	struct ath_tx_info_priv *tx_info_priv = NULL;
 	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
 	struct ieee80211_hdr *hdr;
-	int final_ts_idx, tx_status = 0, is_underrun = 0;
+	int final_ts_idx = 0, tx_status = 0, is_underrun = 0;
+	int long_retry = 0;
 	__le16 fc;
+	int i;
 
 	hdr = (struct ieee80211_hdr *)skb->data;
 	fc = hdr->frame_control;
-	tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
-	final_ts_idx = tx_info_priv->tx.ts_rateindex;
+	for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
+		struct ieee80211_tx_rate *rate = &tx_info->status.rates[i];
+		if (!rate->count)
+			break;
+
+		final_ts_idx = i;
+		long_retry = rate->count - 1;
+	}
 
 	if (!priv_sta || !ieee80211_is_data(fc) ||
-	    !tx_info_priv->update_rc)
-		goto exit;
+	    !(tx_info->pad[0] & ATH_TX_INFO_UPDATE_RC))
+		return;
 
-	if (tx_info_priv->tx.ts_status & ATH9K_TXERR_FILT)
-		goto exit;
+	if (tx_info->flags & IEEE80211_TX_STAT_TX_FILTERED)
+		return;
 
 	/*
 	 * If underrun error is seen assume it as an excessive retry only
@@ -1325,20 +1329,17 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband,
 	 * Adjust the long retry as if the frame was tried hw->max_rate_tries
 	 * times. This affects how ratectrl updates PER for the failed rate.
 	 */
-	if (tx_info_priv->tx.ts_flags &
-	    (ATH9K_TX_DATA_UNDERRUN | ATH9K_TX_DELIM_UNDERRUN) &&
-	    ((sc->sc_ah->tx_trig_level) >= ath_rc_priv->tx_triglevel_max)) {
+	if ((tx_info->pad[0] & ATH_TX_INFO_UNDERRUN) &&
+	    (sc->sc_ah->tx_trig_level >= ath_rc_priv->tx_triglevel_max)) {
 		tx_status = 1;
 		is_underrun = 1;
 	}
 
-	if ((tx_info_priv->tx.ts_status & ATH9K_TXERR_XRETRY) ||
-	    (tx_info_priv->tx.ts_status & ATH9K_TXERR_FIFO))
+	if (tx_info->pad[0] & ATH_TX_INFO_XRETRY)
 		tx_status = 1;
 
 	ath_rc_tx_status(sc, ath_rc_priv, tx_info, final_ts_idx, tx_status,
-			 (is_underrun) ? sc->hw->max_rate_tries :
-			 tx_info_priv->tx.ts_longretry);
+			 (is_underrun) ? sc->hw->max_rate_tries : long_retry);
 
 	/* Check if aggregation has to be enabled for this tid */
 	if (conf_is_ht(&sc->hw->conf) &&
@@ -1357,8 +1358,6 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband,
 	}
 
 	ath_debug_stat_rc(sc, skb);
-exit:
-	kfree(tx_info_priv);
 }
 
 static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband,
diff --git a/drivers/net/wireless/ath/ath9k/rc.h b/drivers/net/wireless/ath/ath9k/rc.h
index 94cb9f8d244..51f85ecbe88 100644
--- a/drivers/net/wireless/ath/ath9k/rc.h
+++ b/drivers/net/wireless/ath/ath9k/rc.h
@@ -167,24 +167,18 @@ struct ath_rate_priv {
 	struct ath_rate_softc *asc;
 };
 
+#define ATH_TX_INFO_FRAME_TYPE_INTERNAL	(1 << 0)
+#define ATH_TX_INFO_FRAME_TYPE_PAUSE	(1 << 1)
+#define ATH_TX_INFO_UPDATE_RC		(1 << 2)
+#define ATH_TX_INFO_XRETRY		(1 << 3)
+#define ATH_TX_INFO_UNDERRUN		(1 << 4)
+
 enum ath9k_internal_frame_type {
 	ATH9K_NOT_INTERNAL,
 	ATH9K_INT_PAUSE,
 	ATH9K_INT_UNPAUSE
 };
 
-struct ath_tx_info_priv {
-	struct ath_wiphy *aphy;
-	struct ath_tx_status tx;
-	int n_frames;
-	int n_bad_frames;
-	bool update_rc;
-	enum ath9k_internal_frame_type frame_type;
-};
-
-#define ATH_TX_INFO_PRIV(tx_info) \
-	((struct ath_tx_info_priv *)((tx_info)->rate_driver_data[0]))
-
 void ath_rate_attach(struct ath_softc *sc);
 u8 ath_rate_findrateix(struct ath_softc *sc, u8 dot11_rate);
 int ath_rate_control_register(void);
diff --git a/drivers/net/wireless/ath/ath9k/virtual.c b/drivers/net/wireless/ath/ath9k/virtual.c
index 0a36b572294..cd26caaf44e 100644
--- a/drivers/net/wireless/ath/ath9k/virtual.c
+++ b/drivers/net/wireless/ath/ath9k/virtual.c
@@ -338,13 +338,11 @@ void ath9k_wiphy_chan_work(struct work_struct *work)
 void ath9k_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
 {
 	struct ath_wiphy *aphy = hw->priv;
-	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
-	struct ath_tx_info_priv *tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
 
-	if (tx_info_priv && tx_info_priv->frame_type == ATH9K_INT_PAUSE &&
+	if ((tx_info->pad[0] & ATH_TX_INFO_FRAME_TYPE_PAUSE) &&
 	    aphy->state == ATH_WIPHY_PAUSING) {
-		if (!(info->flags & IEEE80211_TX_STAT_ACK)) {
+		if (!(tx_info->flags & IEEE80211_TX_STAT_ACK)) {
 			printk(KERN_DEBUG "ath9k: %s: no ACK for pause "
 			       "frame\n", wiphy_name(hw->wiphy));
 			/*
@@ -363,9 +361,6 @@ void ath9k_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
 		}
 	}
 
-	kfree(tx_info_priv);
-	tx_info->rate_driver_data[0] = NULL;
-
 	dev_kfree_skb(skb);
 }
 
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 86b54ddd01c..2db0fa878c2 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -251,6 +251,7 @@ static struct ath_buf* ath_clone_txbuf(struct ath_softc *sc, struct ath_buf *bf)
 
 	ATH_TXBUF_RESET(tbf);
 
+	tbf->aphy = bf->aphy;
 	tbf->bf_mpdu = bf->bf_mpdu;
 	tbf->bf_buf_addr = bf->bf_buf_addr;
 	*(tbf->bf_desc) = *(bf->bf_desc);
@@ -270,7 +271,6 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
 	struct ieee80211_hw *hw;
 	struct ieee80211_hdr *hdr;
 	struct ieee80211_tx_info *tx_info;
-	struct ath_tx_info_priv *tx_info_priv;
 	struct ath_atx_tid *tid = NULL;
 	struct ath_buf *bf_next, *bf_last = bf->bf_lastbf;
 	struct ath_desc *ds = bf_last->bf_desc;
@@ -284,8 +284,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
 	hdr = (struct ieee80211_hdr *)skb->data;
 
 	tx_info = IEEE80211_SKB_CB(skb);
-	tx_info_priv = (struct ath_tx_info_priv *) tx_info->rate_driver_data[0];
-	hw = tx_info_priv->aphy->hw;
+	hw = bf->aphy->hw;
 
 	rcu_read_lock();
 
@@ -464,7 +463,6 @@ static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf,
 	struct sk_buff *skb;
 	struct ieee80211_tx_info *tx_info;
 	struct ieee80211_tx_rate *rates;
-	struct ath_tx_info_priv *tx_info_priv;
 	u32 max_4ms_framelen, frmlen;
 	u16 aggr_limit, legacy = 0;
 	int i;
@@ -472,7 +470,6 @@ static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf,
 	skb = bf->bf_mpdu;
 	tx_info = IEEE80211_SKB_CB(skb);
 	rates = tx_info->control.rates;
-	tx_info_priv = (struct ath_tx_info_priv *)tx_info->rate_driver_data[0];
 
 	/*
 	 * Find the lowest frame length among the rate series that will have a
@@ -1560,21 +1557,26 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf,
 	struct ath_softc *sc = aphy->sc;
 	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
-	struct ath_tx_info_priv *tx_info_priv;
 	int hdrlen;
 	__le16 fc;
 
-	tx_info_priv = kzalloc(sizeof(*tx_info_priv), GFP_ATOMIC);
-	if (unlikely(!tx_info_priv))
-		return -ENOMEM;
-	tx_info->rate_driver_data[0] = tx_info_priv;
-	tx_info_priv->aphy = aphy;
-	tx_info_priv->frame_type = txctl->frame_type;
+	tx_info->pad[0] = 0;
+	switch (txctl->frame_type) {
+	case ATH9K_NOT_INTERNAL:
+		break;
+	case ATH9K_INT_PAUSE:
+		tx_info->pad[0] |= ATH_TX_INFO_FRAME_TYPE_PAUSE;
+		/* fall through */
+	case ATH9K_INT_UNPAUSE:
+		tx_info->pad[0] |= ATH_TX_INFO_FRAME_TYPE_INTERNAL;
+		break;
+	}
 	hdrlen = ieee80211_get_hdrlen_from_skb(skb);
 	fc = hdr->frame_control;
 
 	ATH_TXBUF_RESET(bf);
 
+	bf->aphy = aphy;
 	bf->bf_frmlen = skb->len + FCS_LEN - (hdrlen & 3);
 
 	if (conf_is_ht(&hw->conf) && !is_pae(skb))
@@ -1599,8 +1601,6 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf,
 					   skb->len, DMA_TO_DEVICE);
 	if (unlikely(dma_mapping_error(sc->dev, bf->bf_dmacontext))) {
 		bf->bf_mpdu = NULL;
-		kfree(tx_info_priv);
-		tx_info->rate_driver_data[0] = NULL;
 		ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
 			  "dma_mapping_error() on TX\n");
 		return -ENOMEM;
@@ -1781,27 +1781,17 @@ exit:
 /*****************/
 
 static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
-			    int tx_flags)
+			    struct ath_wiphy *aphy, int tx_flags)
 {
 	struct ieee80211_hw *hw = sc->hw;
 	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
-	struct ath_tx_info_priv *tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	int hdrlen, padsize;
-	int frame_type = ATH9K_NOT_INTERNAL;
 
 	ath_print(common, ATH_DBG_XMIT, "TX complete: skb: %p\n", skb);
 
-	if (tx_info_priv) {
-		hw = tx_info_priv->aphy->hw;
-		frame_type = tx_info_priv->frame_type;
-	}
-
-	if (tx_info->flags & IEEE80211_TX_CTL_NO_ACK ||
-	    tx_info->flags & IEEE80211_TX_STAT_TX_FILTERED) {
-		kfree(tx_info_priv);
-		tx_info->rate_driver_data[0] = NULL;
-	}
+	if (aphy)
+		hw = aphy->hw;
 
 	if (tx_flags & ATH_TX_BAR)
 		tx_info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
@@ -1833,10 +1823,10 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
 					SC_OP_WAIT_FOR_TX_ACK));
 	}
 
-	if (frame_type == ATH9K_NOT_INTERNAL)
-		ieee80211_tx_status(hw, skb);
-	else
+	if (unlikely(tx_info->pad[0] & ATH_TX_INFO_FRAME_TYPE_INTERNAL))
 		ath9k_tx_status(hw, skb);
+	else
+		ieee80211_tx_status(hw, skb);
 }
 
 static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf,
@@ -1859,7 +1849,7 @@ static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf,
 	}
 
 	dma_unmap_single(sc->dev, bf->bf_dmacontext, skb->len, DMA_TO_DEVICE);
-	ath_tx_complete(sc, skb, tx_flags);
+	ath_tx_complete(sc, skb, bf->aphy, tx_flags);
 	ath_debug_stat_tx(sc, txq, bf);
 
 	/*
@@ -1907,8 +1897,7 @@ static void ath_tx_rc_status(struct ath_buf *bf, struct ath_desc *ds,
 	struct sk_buff *skb = bf->bf_mpdu;
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
 	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
-	struct ath_tx_info_priv *tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
-	struct ieee80211_hw *hw = tx_info_priv->aphy->hw;
+	struct ieee80211_hw *hw = bf->aphy->hw;
 	u8 i, tx_rateindex;
 
 	if (txok)
@@ -1917,17 +1906,22 @@ static void ath_tx_rc_status(struct ath_buf *bf, struct ath_desc *ds,
 	tx_rateindex = ds->ds_txstat.ts_rateindex;
 	WARN_ON(tx_rateindex >= hw->max_rates);
 
-	tx_info_priv->update_rc = update_rc;
+	if (update_rc)
+		tx_info->pad[0] |= ATH_TX_INFO_UPDATE_RC;
 	if (ds->ds_txstat.ts_status & ATH9K_TXERR_FILT)
 		tx_info->flags |= IEEE80211_TX_STAT_TX_FILTERED;
 
 	if ((ds->ds_txstat.ts_status & ATH9K_TXERR_FILT) == 0 &&
 	    (bf->bf_flags & ATH9K_TXDESC_NOACK) == 0 && update_rc) {
 		if (ieee80211_is_data(hdr->frame_control)) {
-			memcpy(&tx_info_priv->tx, &ds->ds_txstat,
-			       sizeof(tx_info_priv->tx));
-			tx_info_priv->n_frames = bf->bf_nframes;
-			tx_info_priv->n_bad_frames = nbad;
+			if (ds->ds_txstat.ts_flags &
+			    (ATH9K_TX_DATA_UNDERRUN | ATH9K_TX_DELIM_UNDERRUN))
+				tx_info->pad[0] |= ATH_TX_INFO_UNDERRUN;
+			if ((ds->ds_txstat.ts_status & ATH9K_TXERR_XRETRY) ||
+			    (ds->ds_txstat.ts_status & ATH9K_TXERR_FIFO))
+				tx_info->pad[0] |= ATH_TX_INFO_XRETRY;
+			tx_info->status.ampdu_len = bf->bf_nframes;
+			tx_info->status.ampdu_ack_len = bf->bf_nframes - nbad;
 		}
 	}
 
-- 
GitLab


From c6089ccc22377bcbf055ece6a45b931a02630824 Mon Sep 17 00:00:00 2001
From: Sujith <Sujith.Manoharan@atheros.com>
Date: Mon, 16 Nov 2009 11:40:48 +0530
Subject: [PATCH 1359/1815] ath9k: Cleanup bss_info_changed callback

* Remove a code chunk dealing with operating mode changes.
  As noted, all such policy changes are to be done in
  add_interface.

* Remove pointless check for empty BSSID.
  Also, remove mode checks - mac80211 does all the needed checks.

* Handle enabling/disabling beacon transmission properly.

* Handle beacon interval changes for AP mode.
  The original code depended on config_interface() to update
  the HW TSF. Since that callback has been removed, handle
  it properly.

* Remove unneeded code dealing with key/privacy.

* Set the chainmasks to 1x1 for IBSS when the BSSID is set.
  This was happening uncondionally before.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/main.c | 114 +++++++++-----------------
 1 file changed, 37 insertions(+), 77 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 3c02b977a61..3229c399356 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -2956,90 +2956,62 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath_vif *avp = (void *)vif->drv_priv;
-	u32 rfilt = 0;
-	int error, i;
+	int error;
 
 	mutex_lock(&sc->mutex);
 
-	/*
-	 * TODO: Need to decide which hw opmode to use for
-	 *       multi-interface cases
-	 * XXX: This belongs into add_interface!
-	 */
-	if (vif->type == NL80211_IFTYPE_AP &&
-	    ah->opmode != NL80211_IFTYPE_AP) {
-		ah->opmode = NL80211_IFTYPE_STATION;
-		ath9k_hw_setopmode(ah);
-		memcpy(common->curbssid, common->macaddr, ETH_ALEN);
+	if (changed & BSS_CHANGED_BSSID) {
+		/* Set BSSID */
+		memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
+		memcpy(avp->bssid, bss_conf->bssid, ETH_ALEN);
 		common->curaid = 0;
 		ath9k_hw_write_associd(ah);
-		/* Request full reset to get hw opmode changed properly */
-		sc->sc_flags |= SC_OP_FULL_RESET;
-	}
 
-	if ((changed & BSS_CHANGED_BSSID) &&
-	    !is_zero_ether_addr(bss_conf->bssid)) {
-		switch (vif->type) {
-		case NL80211_IFTYPE_STATION:
-		case NL80211_IFTYPE_ADHOC:
-		case NL80211_IFTYPE_MESH_POINT:
-			/* Set BSSID */
-			memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
-			memcpy(avp->bssid, bss_conf->bssid, ETH_ALEN);
-			common->curaid = 0;
-			ath9k_hw_write_associd(ah);
+		/* Set aggregation protection mode parameters */
+		sc->config.ath_aggr_prot = 0;
 
-			/* Set aggregation protection mode parameters */
-			sc->config.ath_aggr_prot = 0;
+		/* Only legacy IBSS for now */
+		if (vif->type == NL80211_IFTYPE_ADHOC)
+			ath_update_chainmask(sc, 0);
 
-			ath_print(common, ATH_DBG_CONFIG,
-				  "RX filter 0x%x bssid %pM aid 0x%x\n",
-				  rfilt, common->curbssid, common->curaid);
+		ath_print(common, ATH_DBG_CONFIG,
+			  "BSSID: %pM aid: 0x%x\n",
+			  common->curbssid, common->curaid);
 
-			/* need to reconfigure the beacon */
-			sc->sc_flags &= ~SC_OP_BEACONS ;
+		/* need to reconfigure the beacon */
+		sc->sc_flags &= ~SC_OP_BEACONS ;
+	}
 
-			break;
-		default:
-			break;
-		}
+	/* Enable transmission of beacons (AP, IBSS, MESH) */
+	if ((changed & BSS_CHANGED_BEACON) ||
+	    ((changed & BSS_CHANGED_BEACON_ENABLED) && bss_conf->enable_beacon)) {
+		ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
+		error = ath_beacon_alloc(aphy, vif);
+		if (!error)
+			ath_beacon_config(sc, vif);
 	}
 
-	if ((vif->type == NL80211_IFTYPE_ADHOC) ||
-	    (vif->type == NL80211_IFTYPE_AP) ||
-	    (vif->type == NL80211_IFTYPE_MESH_POINT)) {
-		if ((changed & BSS_CHANGED_BEACON) ||
-		    (changed & BSS_CHANGED_BEACON_ENABLED &&
-		     bss_conf->enable_beacon)) {
-			/*
-			 * Allocate and setup the beacon frame.
-			 *
-			 * Stop any previous beacon DMA.  This may be
-			 * necessary, for example, when an ibss merge
-			 * causes reconfiguration; we may be called
-			 * with beacon transmission active.
-			 */
-			ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
+	/* Disable transmission of beacons */
+	if ((changed & BSS_CHANGED_BEACON_ENABLED) && !bss_conf->enable_beacon)
+		ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
 
+	if (changed & BSS_CHANGED_BEACON_INT) {
+		sc->beacon_interval = bss_conf->beacon_int;
+		/*
+		 * In case of AP mode, the HW TSF has to be reset
+		 * when the beacon interval changes.
+		 */
+		if (vif->type == NL80211_IFTYPE_AP) {
+			sc->sc_flags |= SC_OP_TSF_RESET;
+			ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
 			error = ath_beacon_alloc(aphy, vif);
 			if (!error)
 				ath_beacon_config(sc, vif);
+		} else {
+			ath_beacon_config(sc, vif);
 		}
 	}
 
-	/* Check for WLAN_CAPABILITY_PRIVACY ? */
-	if ((avp->av_opmode != NL80211_IFTYPE_STATION)) {
-		for (i = 0; i < IEEE80211_WEP_NKID; i++)
-			if (ath9k_hw_keyisvalid(sc->sc_ah, (u16)i))
-				ath9k_hw_keysetmac(sc->sc_ah,
-						   (u16)i,
-						   common->curbssid);
-	}
-
-	/* Only legacy IBSS for now */
-	if (vif->type == NL80211_IFTYPE_ADHOC)
-		ath_update_chainmask(sc, 0);
-
 	if (changed & BSS_CHANGED_ERP_PREAMBLE) {
 		ath_print(common, ATH_DBG_CONFIG, "BSS Changed PREAMBLE %d\n",
 			  bss_conf->use_short_preamble);
@@ -3065,18 +3037,6 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
 		ath9k_bss_assoc_info(sc, vif, bss_conf);
 	}
 
-	/*
-	 * The HW TSF has to be reset when the beacon interval changes.
-	 * We set the flag here, and ath_beacon_config_ap() would take this
-	 * into account when it gets called through the subsequent
-	 * config_interface() call - with IFCC_BEACON in the changed field.
-	 */
-
-	if (changed & BSS_CHANGED_BEACON_INT) {
-		sc->sc_flags |= SC_OP_TSF_RESET;
-		sc->beacon_interval = bss_conf->beacon_int;
-	}
-
 	mutex_unlock(&sc->mutex);
 }
 
-- 
GitLab


From 7c82a186b48882c2a21a3eda25f3dab2d6040a09 Mon Sep 17 00:00:00 2001
From: Sujith <Sujith.Manoharan@atheros.com>
Date: Mon, 16 Nov 2009 11:40:51 +0530
Subject: [PATCH 1360/1815] ath9k: Remove a few unused variables

axq_linkbuf, axq_aggr_depth, axq_lastdsWithCTS and
axq_gatingds are unused.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/ath9k.h | 10 ----------
 drivers/net/wireless/ath/ath9k/xmit.c  | 13 -------------
 2 files changed, 23 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index d9bcc3abb42..2a40fa2cd91 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -198,18 +198,8 @@ struct ath_txq {
 	struct list_head axq_q;
 	spinlock_t axq_lock;
 	u32 axq_depth;
-	u8 axq_aggr_depth;
 	bool stopped;
 	bool axq_tx_inprogress;
-	struct ath_buf *axq_linkbuf;
-
-	/* first desc of the last descriptor that contains CTS */
-	struct ath_desc *axq_lastdsWithCTS;
-
-	/* final desc of the gating desc that determines whether
-	   lastdsWithCTS has been DMA'ed or not */
-	struct ath_desc *axq_gatingds;
-
 	struct list_head axq_acq;
 };
 
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 2db0fa878c2..745d91995d7 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -699,7 +699,6 @@ static void ath_tx_sched_aggr(struct ath_softc *sc, struct ath_txq *txq,
 		/* anchor last desc of aggregate */
 		ath9k_hw_set11n_aggr_last(sc->sc_ah, bf->bf_lastbf->bf_desc);
 
-		txq->axq_aggr_depth++;
 		ath_tx_txqaddbuf(sc, txq, &bf_q);
 		TX_STAT_INC(txq->axq_qnum, a_aggr);
 
@@ -875,8 +874,6 @@ struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype)
 		INIT_LIST_HEAD(&txq->axq_acq);
 		spin_lock_init(&txq->axq_lock);
 		txq->axq_depth = 0;
-		txq->axq_aggr_depth = 0;
-		txq->axq_linkbuf = NULL;
 		txq->axq_tx_inprogress = false;
 		sc->tx.txqsetup |= 1<<qnum;
 	}
@@ -1011,7 +1008,6 @@ void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx)
 
 		if (list_empty(&txq->axq_q)) {
 			txq->axq_link = NULL;
-			txq->axq_linkbuf = NULL;
 			spin_unlock_bh(&txq->axq_lock);
 			break;
 		}
@@ -1196,7 +1192,6 @@ static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq,
 
 	list_splice_tail_init(head, &txq->axq_q);
 	txq->axq_depth++;
-	txq->axq_linkbuf = list_entry(txq->axq_q.prev, struct ath_buf, list);
 
 	ath_print(common, ATH_DBG_QUEUE,
 		  "qnum: %d, txq depth: %d\n", txq->axq_qnum, txq->axq_depth);
@@ -1965,7 +1960,6 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
 		spin_lock_bh(&txq->axq_lock);
 		if (list_empty(&txq->axq_q)) {
 			txq->axq_link = NULL;
-			txq->axq_linkbuf = NULL;
 			spin_unlock_bh(&txq->axq_lock);
 			break;
 		}
@@ -1999,10 +1993,6 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
 			spin_unlock_bh(&txq->axq_lock);
 			break;
 		}
-		if (bf->bf_desc == txq->axq_lastdsWithCTS)
-			txq->axq_lastdsWithCTS = NULL;
-		if (ds == txq->axq_gatingds)
-			txq->axq_gatingds = NULL;
 
 		/*
 		 * Remove ath_buf's of the same transmit unit from txq,
@@ -2016,9 +2006,6 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
 				&txq->axq_q, lastbf->list.prev);
 
 		txq->axq_depth--;
-		if (bf_isaggr(bf))
-			txq->axq_aggr_depth--;
-
 		txok = (ds->ds_txstat.ts_status == 0);
 		txq->axq_tx_inprogress = false;
 		spin_unlock_bh(&txq->axq_lock);
-- 
GitLab


From 201cd6cce4f67ccead6240eb04ffa2f311661174 Mon Sep 17 00:00:00 2001
From: Sujith <Sujith.Manoharan@atheros.com>
Date: Mon, 16 Nov 2009 11:40:53 +0530
Subject: [PATCH 1361/1815] ath9k: Remove a few unused functions

ATH9K_ANT_VARIABLE is the default diversity control used.
Consequently ath9k_hw_decrease_chain_power() does nothing.
ath9k_hw_setantennaswitch() is unused too.

Also, gbeacon_rate is unused.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.c  | 53 ----------------
 drivers/net/wireless/ath/ath9k/hw.h  | 23 -------
 drivers/net/wireless/ath/ath9k/phy.c | 90 ----------------------------
 drivers/net/wireless/ath/ath9k/phy.h |  3 -
 4 files changed, 169 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index b25eedf67e0..ffcc4f039fa 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -390,8 +390,6 @@ static void ath9k_hw_init_config(struct ath_hw *ah)
 	ah->config.cck_trig_high = 200;
 	ah->config.cck_trig_low = 100;
 	ah->config.enable_ani = 1;
-	ah->config.diversity_control = ATH9K_ANT_VARIABLE;
-	ah->config.antenna_switch_swap = 0;
 
 	for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
 		ah->config.spurchans[i][0] = AR_NO_SPUR;
@@ -446,9 +444,6 @@ static void ath9k_hw_init_defaults(struct ath_hw *ah)
 	ah->acktimeout = (u32) -1;
 	ah->ctstimeout = (u32) -1;
 	ah->globaltxtimeout = (u32) -1;
-
-	ah->gbeacon_rate = 0;
-
 	ah->power_mode = ATH9K_PM_UNDEFINED;
 }
 
@@ -2056,9 +2051,6 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 	ah->ath9k_hw_spur_mitigate_freq(ah, chan);
 	ah->eep_ops->set_board_values(ah, chan);
 
-	if (AR_SREV_5416(ah))
-		ath9k_hw_decrease_chain_power(ah, chan);
-
 	REG_WRITE(ah, AR_STA_ID0, get_unaligned_le32(common->macaddr));
 	REG_WRITE(ah, AR_STA_ID1, get_unaligned_le16(common->macaddr + 4)
 		  | macStaId1
@@ -3518,51 +3510,6 @@ void ath9k_hw_setantenna(struct ath_hw *ah, u32 antenna)
 }
 EXPORT_SYMBOL(ath9k_hw_setantenna);
 
-bool ath9k_hw_setantennaswitch(struct ath_hw *ah,
-			       enum ath9k_ant_setting settings,
-			       struct ath9k_channel *chan,
-			       u8 *tx_chainmask,
-			       u8 *rx_chainmask,
-			       u8 *antenna_cfgd)
-{
-	static u8 tx_chainmask_cfg, rx_chainmask_cfg;
-
-	if (AR_SREV_9280(ah)) {
-		if (!tx_chainmask_cfg) {
-
-			tx_chainmask_cfg = *tx_chainmask;
-			rx_chainmask_cfg = *rx_chainmask;
-		}
-
-		switch (settings) {
-		case ATH9K_ANT_FIXED_A:
-			*tx_chainmask = ATH9K_ANTENNA0_CHAINMASK;
-			*rx_chainmask = ATH9K_ANTENNA0_CHAINMASK;
-			*antenna_cfgd = true;
-			break;
-		case ATH9K_ANT_FIXED_B:
-			if (ah->caps.tx_chainmask >
-			    ATH9K_ANTENNA1_CHAINMASK) {
-				*tx_chainmask = ATH9K_ANTENNA1_CHAINMASK;
-			}
-			*rx_chainmask = ATH9K_ANTENNA1_CHAINMASK;
-			*antenna_cfgd = true;
-			break;
-		case ATH9K_ANT_VARIABLE:
-			*tx_chainmask = tx_chainmask_cfg;
-			*rx_chainmask = rx_chainmask_cfg;
-			*antenna_cfgd = true;
-			break;
-		default:
-			break;
-		}
-	} else {
-		ah->config.diversity_control = settings;
-	}
-
-	return true;
-}
-
 /*********************/
 /* General Operation */
 /*********************/
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index abaa2f09a3b..f8f5e997162 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -148,21 +148,6 @@ enum wireless_mode {
 	ATH9K_MODE_MAX,
 };
 
-/**
- * ath9k_ant_setting - transmit antenna settings
- *
- * Configures the antenna setting to use for transmit.
- *
- * @ATH9K_ANT_VARIABLE: this means transmit on all active antennas
- * @ATH9K_ANT_FIXED_A: this means transmit on the first antenna only
- * @ATH9K_ANT_FIXED_B: this means transmit on the second antenna only
- */
-enum ath9k_ant_setting {
-	ATH9K_ANT_VARIABLE = 0,
-	ATH9K_ANT_FIXED_A,
-	ATH9K_ANT_FIXED_B
-};
-
 enum ath9k_hw_caps {
 	ATH9K_HW_CAP_MIC_AESCCM                 = BIT(0),
 	ATH9K_HW_CAP_MIC_CKIP                   = BIT(1),
@@ -226,8 +211,6 @@ struct ath9k_ops_config {
 	u32 cck_trig_high;
 	u32 cck_trig_low;
 	u32 enable_ani;
-	enum ath9k_ant_setting diversity_control;
-	u16 antenna_switch_swap;
 	int serialize_regmode;
 	bool intr_mitigation;
 #define SPUR_DISABLE        	0
@@ -572,7 +555,6 @@ struct ath_hw {
 	u32 acktimeout;
 	u32 ctstimeout;
 	u32 globaltxtimeout;
-	u8 gbeacon_rate;
 
 	/* ANI */
 	u32 proc_phyerr;
@@ -659,11 +641,6 @@ void ath9k_hw_cfg_output(struct ath_hw *ah, u32 gpio,
 void ath9k_hw_set_gpio(struct ath_hw *ah, u32 gpio, u32 val);
 u32 ath9k_hw_getdefantenna(struct ath_hw *ah);
 void ath9k_hw_setantenna(struct ath_hw *ah, u32 antenna);
-bool ath9k_hw_setantennaswitch(struct ath_hw *ah,
-			       enum ath9k_ant_setting settings,
-			       struct ath9k_channel *chan,
-			       u8 *tx_chainmask, u8 *rx_chainmask,
-			       u8 *antenna_cfgd);
 
 /* General Operation */
 bool ath9k_hw_wait(struct ath_hw *ah, u32 reg, u32 mask, u32 val, u32 timeout);
diff --git a/drivers/net/wireless/ath/ath9k/phy.c b/drivers/net/wireless/ath/ath9k/phy.c
index 13ab4d7eb7a..c3b59390fe3 100644
--- a/drivers/net/wireless/ath/ath9k/phy.c
+++ b/drivers/net/wireless/ath/ath9k/phy.c
@@ -527,95 +527,6 @@ static void ath9k_hw_force_bias(struct ath_hw *ah, u16 synth_freq)
 	REG_WRITE_RF_ARRAY(&ah->iniBank6, ah->analogBank6Data, reg_writes);
 }
 
-/**
- * ath9k_hw_decrease_chain_power()
- *
- * @ah: atheros hardware structure
- * @chan:
- *
- * Only used on the AR5416 and AR5418 with the external AR2133/AR5133 radios.
- *
- * Sets a chain internal RF path to the lowest output power. Any
- * further writes to bank6 after this setting will override these
- * changes. Thus this function must be the last function in the
- * sequence to modify bank 6.
- *
- * This function must be called after ar5416SetRfRegs() which is
- * called from ath9k_hw_process_ini() due to swizzling of bank 6.
- * Depends on ah->analogBank6Data being initialized by
- * ath9k_hw_set_rf_regs()
- *
- * Additional additive reduction in power -
- * change chain's switch table so chain's tx state is actually the rx
- * state value. May produce different results in 2GHz/5GHz as well as
- * board to board but in general should be a reduction.
- *
- * Activated by #ifdef ALTER_SWITCH.  Not tried yet.  If so, must be
- * called after ah->eep_ops->set_board_values() due to RMW of
- * PHY_SWITCH_CHAIN_0.
- */
-void ath9k_hw_decrease_chain_power(struct ath_hw *ah,
-				   struct ath9k_channel *chan)
-{
-	int i, regWrites = 0;
-	u32 bank6SelMask;
-	u32 *bank6Temp = ah->bank6Temp;
-
-	BUG_ON(AR_SREV_9280_10_OR_LATER(ah));
-
-	switch (ah->config.diversity_control) {
-	case ATH9K_ANT_FIXED_A:
-		bank6SelMask =
-		    (ah->config.antenna_switch_swap & ANTSWAP_AB) ?
-			REDUCE_CHAIN_0 : /* swapped, reduce chain 0 */
-			REDUCE_CHAIN_1; /* normal, select chain 1/2 to reduce */
-		break;
-	case ATH9K_ANT_FIXED_B:
-		bank6SelMask =
-		    (ah->config.antenna_switch_swap & ANTSWAP_AB) ?
-			REDUCE_CHAIN_1 : /* swapped, reduce chain 1/2 */
-			REDUCE_CHAIN_0; /* normal, select chain 0 to reduce */
-		break;
-	case ATH9K_ANT_VARIABLE:
-		return; /* do not change anything */
-		break;
-	default:
-		return; /* do not change anything */
-		break;
-	}
-
-	for (i = 0; i < ah->iniBank6.ia_rows; i++)
-		bank6Temp[i] = ah->analogBank6Data[i];
-
-	/* Write Bank 5 to switch Bank 6 write to selected chain only */
-	REG_WRITE(ah, AR_PHY_BASE + 0xD8, bank6SelMask);
-
-	/*
-	 * Modify Bank6 selected chain to use lowest amplification.
-	 * Modifies the parameters to a value of 1.
-	 * Depends on existing bank 6 values to be cached in
-	 * ah->analogBank6Data
-	 */
-	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 189, 0);
-	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 190, 0);
-	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 191, 0);
-	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 192, 0);
-	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 193, 0);
-	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 222, 0);
-	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 245, 0);
-	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 246, 0);
-	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 247, 0);
-
-	REG_WRITE_RF_ARRAY(&ah->iniBank6, bank6Temp, regWrites);
-
-	REG_WRITE(ah, AR_PHY_BASE + 0xD8, 0x00000053);
-#ifdef ALTER_SWITCH
-	REG_WRITE(ah, PHY_SWITCH_CHAIN_0,
-		  (REG_READ(ah, PHY_SWITCH_CHAIN_0) & ~0x38)
-		  | ((REG_READ(ah, PHY_SWITCH_CHAIN_0) >> 3) & 0x38));
-#endif
-}
-
 /**
  * ath9k_hw_set_channel - tune to a channel on the external AR2133/AR5133 radios
  * @ah: atheros hardware stucture
@@ -687,7 +598,6 @@ int ath9k_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
 	}
 
 	ath9k_hw_force_bias(ah, freq);
-	ath9k_hw_decrease_chain_power(ah, chan);
 
 	reg32 =
 	    (channelSel << 8) | (aModeRefSel << 2) | (bModeSynth << 1) |
diff --git a/drivers/net/wireless/ath/ath9k/phy.h b/drivers/net/wireless/ath/ath9k/phy.h
index dc145a135dc..31de27dc0c4 100644
--- a/drivers/net/wireless/ath/ath9k/phy.h
+++ b/drivers/net/wireless/ath/ath9k/phy.h
@@ -35,9 +35,6 @@ bool ath9k_hw_set_rf_regs(struct ath_hw *ah,
 			  struct ath9k_channel *chan,
 			  u16 modesIndex);
 
-void ath9k_hw_decrease_chain_power(struct ath_hw *ah,
-				   struct ath9k_channel *chan);
-
 #define AR_PHY_BASE     0x9800
 #define AR_PHY(_n)      (AR_PHY_BASE + ((_n)<<2))
 
-- 
GitLab


From cb53a150caa3068ce366b75dd354718145f5e893 Mon Sep 17 00:00:00 2001
From: Sujith <Sujith.Manoharan@atheros.com>
Date: Mon, 16 Nov 2009 11:40:57 +0530
Subject: [PATCH 1362/1815] ath9k: Fix bug in initializing chain masks

Check for AR5416 ver 1.0 before calibrating 3 chains
for multi-chain. This is a WAR for calibration
failure.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index ffcc4f039fa..53a7b980d8f 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1146,7 +1146,7 @@ static void ath9k_hw_init_chain_masks(struct ath_hw *ah)
 		REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
 			    AR_PHY_SWAP_ALT_CHAIN);
 	case 0x3:
-		if (((ah)->hw_version.macVersion <= AR_SREV_VERSION_9160)) {
+		if (ah->hw_version.macVersion == AR_SREV_REVISION_5416_10) {
 			REG_WRITE(ah, AR_PHY_RX_CHAINMASK, 0x7);
 			REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, 0x7);
 			break;
-- 
GitLab


From 3b53fde8ac40c4321389def14d7f4a9e14092fd3 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Mon, 16 Nov 2009 12:00:37 +0100
Subject: [PATCH 1363/1815] mac80211: let sta_info_get_by_idx get sta by sdata

Instead of filtering by device, directly look up by sdata.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/cfg.c      | 4 ++--
 net/mac80211/sta_info.c | 7 ++++---
 net/mac80211/sta_info.h | 4 ++--
 3 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 7f18c8fa188..7d591816ed1 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -398,13 +398,13 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
 				 int idx, u8 *mac, struct station_info *sinfo)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	struct sta_info *sta;
 	int ret = -ENOENT;
 
 	rcu_read_lock();
 
-	sta = sta_info_get_by_idx(local, idx, dev);
+	sta = sta_info_get_by_idx(sdata, idx);
 	if (sta) {
 		ret = 0;
 		memcpy(mac, sta->sta.addr, ETH_ALEN);
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 396a94806de..aa017a56afc 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -116,14 +116,15 @@ struct sta_info *sta_info_get(struct ieee80211_local *local, const u8 *addr)
 	return sta;
 }
 
-struct sta_info *sta_info_get_by_idx(struct ieee80211_local *local, int idx,
-				     struct net_device *dev)
+struct sta_info *sta_info_get_by_idx(struct ieee80211_sub_if_data *sdata,
+				     int idx)
 {
+	struct ieee80211_local *local = sdata->local;
 	struct sta_info *sta;
 	int i = 0;
 
 	list_for_each_entry_rcu(sta, &local->sta_list, list) {
-		if (dev && dev != sta->sdata->dev)
+		if (sdata != sta->sdata)
 			continue;
 		if (i < idx) {
 			++i;
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 4673454176e..4c84c2205e8 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -409,8 +409,8 @@ struct sta_info *sta_info_get(struct ieee80211_local *local, const u8 *addr);
 /*
  * Get STA info by index, BROKEN!
  */
-struct sta_info *sta_info_get_by_idx(struct ieee80211_local *local, int idx,
-				      struct net_device *dev);
+struct sta_info *sta_info_get_by_idx(struct ieee80211_sub_if_data *sdata,
+				     int idx);
 /*
  * Create a new STA info, caller owns returned structure
  * until sta_info_insert().
-- 
GitLab


From c951ad3550ab40071bb0f222ba6125845769c08a Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Mon, 16 Nov 2009 12:00:38 +0100
Subject: [PATCH 1364/1815] mac80211: convert aggregation to operate on
 vifs/stas

The entire aggregation code currently operates on the
hw pointer and station addresses, but that needs to
change to make stations purely per-vif; As one step
preparing for that make the aggregation code callable
with the station, or by the combination of virtual
interface and station address.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ar9170/main.c    |  5 +-
 drivers/net/wireless/ath/ath9k/main.c     |  5 +-
 drivers/net/wireless/ath/ath9k/rc.c       |  2 +-
 drivers/net/wireless/iwlwifi/iwl-agn-rs.c |  2 +-
 drivers/net/wireless/iwlwifi/iwl-agn.c    |  1 +
 drivers/net/wireless/iwlwifi/iwl-tx.c     |  8 +-
 include/net/mac80211.h                    | 28 +++----
 net/mac80211/agg-rx.c                     |  6 +-
 net/mac80211/agg-tx.c                     | 96 +++++++++--------------
 net/mac80211/driver-ops.h                 |  5 +-
 net/mac80211/driver-trace.h               |  9 ++-
 net/mac80211/ht.c                         |  3 +-
 net/mac80211/ieee80211_i.h                |  3 +-
 net/mac80211/main.c                       |  8 +-
 14 files changed, 84 insertions(+), 97 deletions(-)

diff --git a/drivers/net/wireless/ath/ar9170/main.c b/drivers/net/wireless/ath/ar9170/main.c
index bd2a276c870..f9d6db8d013 100644
--- a/drivers/net/wireless/ath/ar9170/main.c
+++ b/drivers/net/wireless/ath/ar9170/main.c
@@ -2441,6 +2441,7 @@ static int ar9170_conf_tx(struct ieee80211_hw *hw, u16 queue,
 }
 
 static int ar9170_ampdu_action(struct ieee80211_hw *hw,
+			       struct ieee80211_vif *vif,
 			       enum ieee80211_ampdu_mlme_action action,
 			       struct ieee80211_sta *sta, u16 tid, u16 *ssn)
 {
@@ -2470,7 +2471,7 @@ static int ar9170_ampdu_action(struct ieee80211_hw *hw,
 		tid_info->state = AR9170_TID_STATE_PROGRESS;
 		tid_info->active = false;
 		spin_unlock_irqrestore(&ar->tx_ampdu_list_lock, flags);
-		ieee80211_start_tx_ba_cb_irqsafe(hw, sta->addr, tid);
+		ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
 		break;
 
 	case IEEE80211_AMPDU_TX_STOP:
@@ -2480,7 +2481,7 @@ static int ar9170_ampdu_action(struct ieee80211_hw *hw,
 		tid_info->active = false;
 		skb_queue_purge(&tid_info->queue);
 		spin_unlock_irqrestore(&ar->tx_ampdu_list_lock, flags);
-		ieee80211_stop_tx_ba_cb_irqsafe(hw, sta->addr, tid);
+		ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
 		break;
 
 	case IEEE80211_AMPDU_TX_OPERATIONAL:
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 3229c399356..16bdb1b549b 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -3078,6 +3078,7 @@ static void ath9k_reset_tsf(struct ieee80211_hw *hw)
 }
 
 static int ath9k_ampdu_action(struct ieee80211_hw *hw,
+			      struct ieee80211_vif *vif,
 			      enum ieee80211_ampdu_mlme_action action,
 			      struct ieee80211_sta *sta,
 			      u16 tid, u16 *ssn)
@@ -3095,11 +3096,11 @@ static int ath9k_ampdu_action(struct ieee80211_hw *hw,
 		break;
 	case IEEE80211_AMPDU_TX_START:
 		ath_tx_aggr_start(sc, sta, tid, ssn);
-		ieee80211_start_tx_ba_cb_irqsafe(hw, sta->addr, tid);
+		ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
 		break;
 	case IEEE80211_AMPDU_TX_STOP:
 		ath_tx_aggr_stop(sc, sta, tid);
-		ieee80211_stop_tx_ba_cb_irqsafe(hw, sta->addr, tid);
+		ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
 		break;
 	case IEEE80211_AMPDU_TX_OPERATIONAL:
 		ath_tx_aggr_resume(sc, sta, tid);
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index ea4b9081b4d..1d96777b4cd 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -1353,7 +1353,7 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband,
 			an = (struct ath_node *)sta->drv_priv;
 
 			if(ath_tx_aggr_check(sc, an, tid))
-				ieee80211_start_tx_ba_session(sc->hw, hdr->addr1, tid);
+				ieee80211_start_tx_ba_session(sta, tid);
 		}
 	}
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
index 43edd8fd440..2f09e3b7f0e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
@@ -301,7 +301,7 @@ static void rs_tl_turn_on_agg_for_tid(struct iwl_priv *priv,
 	if (rs_tl_get_load(lq_data, tid) > IWL_AGG_LOAD_THRESHOLD) {
 		IWL_DEBUG_HT(priv, "Starting Tx agg: STA: %pM tid: %d\n",
 				sta->addr, tid);
-		ieee80211_start_tx_ba_session(priv->hw, sta->addr, tid);
+		ieee80211_start_tx_ba_session(sta, tid);
 	}
 }
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 6385cdf24d1..b80cd0bc584 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -2691,6 +2691,7 @@ static int iwl_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 }
 
 static int iwl_mac_ampdu_action(struct ieee80211_hw *hw,
+				struct ieee80211_vif *vif,
 			     enum ieee80211_ampdu_mlme_action action,
 			     struct ieee80211_sta *sta, u16 tid, u16 *ssn)
 {
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index ebfc460115d..f3dff2ecc40 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -1312,7 +1312,7 @@ int iwl_tx_agg_start(struct iwl_priv *priv, const u8 *ra, u16 tid, u16 *ssn)
 	if (tid_data->tfds_in_queue == 0) {
 		IWL_DEBUG_HT(priv, "HW queue is empty\n");
 		tid_data->agg.state = IWL_AGG_ON;
-		ieee80211_start_tx_ba_cb_irqsafe(priv->hw, ra, tid);
+		ieee80211_start_tx_ba_cb_irqsafe(priv->vif, ra, tid);
 	} else {
 		IWL_DEBUG_HT(priv, "HW queue is NOT empty: %d packets in HW queue\n",
 			     tid_data->tfds_in_queue);
@@ -1377,7 +1377,7 @@ int iwl_tx_agg_stop(struct iwl_priv *priv , const u8 *ra, u16 tid)
 	if (ret)
 		return ret;
 
-	ieee80211_stop_tx_ba_cb_irqsafe(priv->hw, ra, tid);
+	ieee80211_stop_tx_ba_cb_irqsafe(priv->vif, ra, tid);
 
 	return 0;
 }
@@ -1401,7 +1401,7 @@ int iwl_txq_check_empty(struct iwl_priv *priv, int sta_id, u8 tid, int txq_id)
 			priv->cfg->ops->lib->txq_agg_disable(priv, txq_id,
 							     ssn, tx_fifo);
 			tid_data->agg.state = IWL_AGG_OFF;
-			ieee80211_stop_tx_ba_cb_irqsafe(priv->hw, addr, tid);
+			ieee80211_stop_tx_ba_cb_irqsafe(priv->vif, addr, tid);
 		}
 		break;
 	case IWL_EMPTYING_HW_QUEUE_ADDBA:
@@ -1409,7 +1409,7 @@ int iwl_txq_check_empty(struct iwl_priv *priv, int sta_id, u8 tid, int txq_id)
 		if (tid_data->tfds_in_queue == 0) {
 			IWL_DEBUG_HT(priv, "HW queue empty: continue ADDBA flow\n");
 			tid_data->agg.state = IWL_AGG_ON;
-			ieee80211_start_tx_ba_cb_irqsafe(priv->hw, addr, tid);
+			ieee80211_start_tx_ba_cb_irqsafe(priv->vif, addr, tid);
 		}
 		break;
 	}
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 3b3defbe6fc..4af0ffb98aa 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1508,6 +1508,7 @@ struct ieee80211_ops {
 	void (*reset_tsf)(struct ieee80211_hw *hw);
 	int (*tx_last_beacon)(struct ieee80211_hw *hw);
 	int (*ampdu_action)(struct ieee80211_hw *hw,
+			    struct ieee80211_vif *vif,
 			    enum ieee80211_ampdu_mlme_action action,
 			    struct ieee80211_sta *sta, u16 tid, u16 *ssn);
 
@@ -2029,8 +2030,7 @@ void ieee80211_queue_delayed_work(struct ieee80211_hw *hw,
 
 /**
  * ieee80211_start_tx_ba_session - Start a tx Block Ack session.
- * @hw: pointer as obtained from ieee80211_alloc_hw().
- * @ra: receiver address of the BA session recipient
+ * @sta: the station for which to start a BA session
  * @tid: the TID to BA on.
  *
  * Return: success if addBA request was sent, failure otherwise
@@ -2039,22 +2039,22 @@ void ieee80211_queue_delayed_work(struct ieee80211_hw *hw,
  * the need to start aggregation on a certain RA/TID, the session level
  * will be managed by the mac80211.
  */
-int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid);
+int ieee80211_start_tx_ba_session(struct ieee80211_sta *sta, u16 tid);
 
 /**
  * ieee80211_start_tx_ba_cb - low level driver ready to aggregate.
- * @hw: pointer as obtained from ieee80211_alloc_hw().
+ * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf
  * @ra: receiver address of the BA session recipient.
  * @tid: the TID to BA on.
  *
  * This function must be called by low level driver once it has
  * finished with preparations for the BA session.
  */
-void ieee80211_start_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u16 tid);
+void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid);
 
 /**
  * ieee80211_start_tx_ba_cb_irqsafe - low level driver ready to aggregate.
- * @hw: pointer as obtained from ieee80211_alloc_hw().
+ * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf
  * @ra: receiver address of the BA session recipient.
  * @tid: the TID to BA on.
  *
@@ -2062,13 +2062,12 @@ void ieee80211_start_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u16 tid);
  * finished with preparations for the BA session.
  * This version of the function is IRQ-safe.
  */
-void ieee80211_start_tx_ba_cb_irqsafe(struct ieee80211_hw *hw, const u8 *ra,
+void ieee80211_start_tx_ba_cb_irqsafe(struct ieee80211_vif *vif, const u8 *ra,
 				      u16 tid);
 
 /**
  * ieee80211_stop_tx_ba_session - Stop a Block Ack session.
- * @hw: pointer as obtained from ieee80211_alloc_hw().
- * @ra: receiver address of the BA session recipient
+ * @sta: the station whose BA session to stop
  * @tid: the TID to stop BA.
  * @initiator: if indicates initiator DELBA frame will be sent.
  *
@@ -2078,24 +2077,23 @@ void ieee80211_start_tx_ba_cb_irqsafe(struct ieee80211_hw *hw, const u8 *ra,
  * the need to stop aggregation on a certain RA/TID, the session level
  * will be managed by the mac80211.
  */
-int ieee80211_stop_tx_ba_session(struct ieee80211_hw *hw,
-				 u8 *ra, u16 tid,
+int ieee80211_stop_tx_ba_session(struct ieee80211_sta *sta, u16 tid,
 				 enum ieee80211_back_parties initiator);
 
 /**
  * ieee80211_stop_tx_ba_cb - low level driver ready to stop aggregate.
- * @hw: pointer as obtained from ieee80211_alloc_hw().
+ * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf
  * @ra: receiver address of the BA session recipient.
  * @tid: the desired TID to BA on.
  *
  * This function must be called by low level driver once it has
  * finished with preparations for the BA session tear down.
  */
-void ieee80211_stop_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u8 tid);
+void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid);
 
 /**
  * ieee80211_stop_tx_ba_cb_irqsafe - low level driver ready to stop aggregate.
- * @hw: pointer as obtained from ieee80211_alloc_hw().
+ * @vif: &struct ieee80211_vif pointer from &struct ieee80211_if_init_conf
  * @ra: receiver address of the BA session recipient.
  * @tid: the desired TID to BA on.
  *
@@ -2103,7 +2101,7 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u8 tid);
  * finished with preparations for the BA session tear down.
  * This version of the function is IRQ-safe.
  */
-void ieee80211_stop_tx_ba_cb_irqsafe(struct ieee80211_hw *hw, const u8 *ra,
+void ieee80211_stop_tx_ba_cb_irqsafe(struct ieee80211_vif *vif, const u8 *ra,
 				     u16 tid);
 
 /**
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index bc064d7933f..f3a5c9e0578 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -41,7 +41,8 @@ void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
 	       sta->sta.addr, tid);
 #endif /* CONFIG_MAC80211_HT_DEBUG */
 
-	if (drv_ampdu_action(local, IEEE80211_AMPDU_RX_STOP,
+	if (drv_ampdu_action(local, &sta->sdata->vif,
+			     IEEE80211_AMPDU_RX_STOP,
 			     &sta->sta, tid, NULL))
 		printk(KERN_DEBUG "HW problem - can not stop rx "
 				"aggregation for tid %d\n", tid);
@@ -284,7 +285,8 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
 		goto end;
 	}
 
-	ret = drv_ampdu_action(local, IEEE80211_AMPDU_RX_START,
+	ret = drv_ampdu_action(local, &sta->sdata->vif,
+			       IEEE80211_AMPDU_RX_START,
 			       &sta->sta, tid, &start_seq_num);
 #ifdef CONFIG_MAC80211_HT_DEBUG
 	printk(KERN_DEBUG "Rx A-MPDU request on tid %d result %d\n", tid, ret);
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index b09948ceec4..6ddd11466df 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -138,7 +138,8 @@ static int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
 	*state = HT_AGG_STATE_REQ_STOP_BA_MSK |
 		(initiator << HT_AGG_STATE_INITIATOR_SHIFT);
 
-	ret = drv_ampdu_action(local, IEEE80211_AMPDU_TX_STOP,
+	ret = drv_ampdu_action(local, &sta->sdata->vif,
+			       IEEE80211_AMPDU_TX_STOP,
 			       &sta->sta, tid, NULL);
 
 	/* HW shall not deny going back to legacy */
@@ -196,11 +197,11 @@ static inline int ieee80211_ac_from_tid(int tid)
 	return ieee802_1d_to_ac[tid & 7];
 }
 
-int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid)
+int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid)
 {
-	struct ieee80211_local *local = hw_to_local(hw);
-	struct sta_info *sta;
-	struct ieee80211_sub_if_data *sdata;
+	struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
+	struct ieee80211_sub_if_data *sdata = sta->sdata;
+	struct ieee80211_local *local = sdata->local;
 	u8 *state;
 	int ret = 0;
 	u16 start_seq_num;
@@ -208,52 +209,37 @@ int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid)
 	if (WARN_ON(!local->ops->ampdu_action))
 		return -EINVAL;
 
-	if ((tid >= STA_TID_NUM) || !(hw->flags & IEEE80211_HW_AMPDU_AGGREGATION))
+	if ((tid >= STA_TID_NUM) ||
+	    !(local->hw.flags & IEEE80211_HW_AMPDU_AGGREGATION))
 		return -EINVAL;
 
 #ifdef CONFIG_MAC80211_HT_DEBUG
 	printk(KERN_DEBUG "Open BA session requested for %pM tid %u\n",
-	       ra, tid);
+	       pubsta->addr, tid);
 #endif /* CONFIG_MAC80211_HT_DEBUG */
 
-	rcu_read_lock();
-
-	sta = sta_info_get(local, ra);
-	if (!sta) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
-		printk(KERN_DEBUG "Could not find the station\n");
-#endif
-		ret = -ENOENT;
-		goto unlock;
-	}
-
 	/*
 	 * The aggregation code is not prepared to handle
 	 * anything but STA/AP due to the BSSID handling.
 	 * IBSS could work in the code but isn't supported
 	 * by drivers or the standard.
 	 */
-	if (sta->sdata->vif.type != NL80211_IFTYPE_STATION &&
-	    sta->sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
-	    sta->sdata->vif.type != NL80211_IFTYPE_AP) {
-		ret = -EINVAL;
-		goto unlock;
-	}
+	if (sdata->vif.type != NL80211_IFTYPE_STATION &&
+	    sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
+	    sdata->vif.type != NL80211_IFTYPE_AP)
+		return -EINVAL;
 
 	if (test_sta_flags(sta, WLAN_STA_SUSPEND)) {
 #ifdef CONFIG_MAC80211_HT_DEBUG
 		printk(KERN_DEBUG "Suspend in progress. "
 		       "Denying BA session request\n");
 #endif
-		ret = -EINVAL;
-		goto unlock;
+		return -EINVAL;
 	}
 
 	spin_lock_bh(&sta->lock);
 	spin_lock(&local->ampdu_lock);
 
-	sdata = sta->sdata;
-
 	/* we have tried too many times, receiver does not want A-MPDU */
 	if (sta->ampdu_mlme.addba_req_num[tid] > HT_AGG_MAX_RETRIES) {
 		ret = -EBUSY;
@@ -310,8 +296,9 @@ int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid)
 
 	start_seq_num = sta->tid_seq[tid];
 
-	ret = drv_ampdu_action(local, IEEE80211_AMPDU_TX_START,
-			       &sta->sta, tid, &start_seq_num);
+	ret = drv_ampdu_action(local, &sdata->vif,
+			       IEEE80211_AMPDU_TX_START,
+			       pubsta, tid, &start_seq_num);
 
 	if (ret) {
 #ifdef CONFIG_MAC80211_HT_DEBUG
@@ -336,7 +323,7 @@ int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid)
 			sta->ampdu_mlme.dialog_token_allocator;
 	sta->ampdu_mlme.tid_tx[tid]->ssn = start_seq_num;
 
-	ieee80211_send_addba_request(sta->sdata, ra, tid,
+	ieee80211_send_addba_request(sdata, pubsta->addr, tid,
 			 sta->ampdu_mlme.tid_tx[tid]->dialog_token,
 			 sta->ampdu_mlme.tid_tx[tid]->ssn,
 			 0x40, 5000);
@@ -348,7 +335,7 @@ int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid)
 #ifdef CONFIG_MAC80211_HT_DEBUG
 	printk(KERN_DEBUG "activated addBA response timer on tid %d\n", tid);
 #endif
-	goto unlock;
+	return 0;
 
  err_free:
 	kfree(sta->ampdu_mlme.tid_tx[tid]);
@@ -360,8 +347,6 @@ int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid)
  err_unlock_sta:
 	spin_unlock(&local->ampdu_lock);
 	spin_unlock_bh(&sta->lock);
- unlock:
-	rcu_read_unlock();
 	return ret;
 }
 EXPORT_SYMBOL(ieee80211_start_tx_ba_session);
@@ -428,13 +413,15 @@ static void ieee80211_agg_tx_operational(struct ieee80211_local *local,
 	ieee80211_agg_splice_finish(local, sta, tid);
 	spin_unlock(&local->ampdu_lock);
 
-	drv_ampdu_action(local, IEEE80211_AMPDU_TX_OPERATIONAL,
+	drv_ampdu_action(local, &sta->sdata->vif,
+			 IEEE80211_AMPDU_TX_OPERATIONAL,
 			 &sta->sta, tid, NULL);
 }
 
-void ieee80211_start_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u16 tid)
+void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid)
 {
-	struct ieee80211_local *local = hw_to_local(hw);
+	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+	struct ieee80211_local *local = sdata->local;
 	struct sta_info *sta;
 	u8 *state;
 
@@ -483,10 +470,11 @@ void ieee80211_start_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u16 tid)
 }
 EXPORT_SYMBOL(ieee80211_start_tx_ba_cb);
 
-void ieee80211_start_tx_ba_cb_irqsafe(struct ieee80211_hw *hw,
+void ieee80211_start_tx_ba_cb_irqsafe(struct ieee80211_vif *vif,
 				      const u8 *ra, u16 tid)
 {
-	struct ieee80211_local *local = hw_to_local(hw);
+	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+	struct ieee80211_local *local = sdata->local;
 	struct ieee80211_ra_tid *ra_tid;
 	struct sk_buff *skb = dev_alloc_skb(0);
 
@@ -535,13 +523,12 @@ int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
 	return ret;
 }
 
-int ieee80211_stop_tx_ba_session(struct ieee80211_hw *hw,
-				 u8 *ra, u16 tid,
+int ieee80211_stop_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid,
 				 enum ieee80211_back_parties initiator)
 {
-	struct ieee80211_local *local = hw_to_local(hw);
-	struct sta_info *sta;
-	int ret = 0;
+	struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
+	struct ieee80211_sub_if_data *sdata = sta->sdata;
+	struct ieee80211_local *local = sdata->local;
 
 	if (WARN_ON(!local->ops->ampdu_action))
 		return -EINVAL;
@@ -549,22 +536,14 @@ int ieee80211_stop_tx_ba_session(struct ieee80211_hw *hw,
 	if (tid >= STA_TID_NUM)
 		return -EINVAL;
 
-	rcu_read_lock();
-	sta = sta_info_get(local, ra);
-	if (!sta) {
-		rcu_read_unlock();
-		return -ENOENT;
-	}
-
-	ret = __ieee80211_stop_tx_ba_session(sta, tid, initiator);
-	rcu_read_unlock();
-	return ret;
+	return __ieee80211_stop_tx_ba_session(sta, tid, initiator);
 }
 EXPORT_SYMBOL(ieee80211_stop_tx_ba_session);
 
-void ieee80211_stop_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u8 tid)
+void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid)
 {
-	struct ieee80211_local *local = hw_to_local(hw);
+	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+	struct ieee80211_local *local = sdata->local;
 	struct sta_info *sta;
 	u8 *state;
 
@@ -627,10 +606,11 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u8 tid)
 }
 EXPORT_SYMBOL(ieee80211_stop_tx_ba_cb);
 
-void ieee80211_stop_tx_ba_cb_irqsafe(struct ieee80211_hw *hw,
+void ieee80211_stop_tx_ba_cb_irqsafe(struct ieee80211_vif *vif,
 				     const u8 *ra, u16 tid)
 {
-	struct ieee80211_local *local = hw_to_local(hw);
+	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+	struct ieee80211_local *local = sdata->local;
 	struct ieee80211_ra_tid *ra_tid;
 	struct sk_buff *skb = dev_alloc_skb(0);
 
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 020a94a3110..921dd9c9ff6 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -239,15 +239,16 @@ static inline int drv_tx_last_beacon(struct ieee80211_local *local)
 }
 
 static inline int drv_ampdu_action(struct ieee80211_local *local,
+				   struct ieee80211_vif *vif,
 				   enum ieee80211_ampdu_mlme_action action,
 				   struct ieee80211_sta *sta, u16 tid,
 				   u16 *ssn)
 {
 	int ret = -EOPNOTSUPP;
 	if (local->ops->ampdu_action)
-		ret = local->ops->ampdu_action(&local->hw, action,
+		ret = local->ops->ampdu_action(&local->hw, vif, action,
 					       sta, tid, ssn);
-	trace_drv_ampdu_action(local, action, sta, tid, ssn, ret);
+	trace_drv_ampdu_action(local, vif, action, sta, tid, ssn, ret);
 	return ret;
 }
 
diff --git a/net/mac80211/driver-trace.h b/net/mac80211/driver-trace.h
index 37b9051afcf..b8fef1d1136 100644
--- a/net/mac80211/driver-trace.h
+++ b/net/mac80211/driver-trace.h
@@ -634,11 +634,12 @@ TRACE_EVENT(drv_tx_last_beacon,
 
 TRACE_EVENT(drv_ampdu_action,
 	TP_PROTO(struct ieee80211_local *local,
+		 struct ieee80211_vif *vif,
 		 enum ieee80211_ampdu_mlme_action action,
 		 struct ieee80211_sta *sta, u16 tid,
 		 u16 *ssn, int ret),
 
-	TP_ARGS(local, action, sta, tid, ssn, ret),
+	TP_ARGS(local, vif, action, sta, tid, ssn, ret),
 
 	TP_STRUCT__entry(
 		LOCAL_ENTRY
@@ -647,10 +648,12 @@ TRACE_EVENT(drv_ampdu_action,
 		__field(u16, tid)
 		__field(u16, ssn)
 		__field(int, ret)
+		VIF_ENTRY
 	),
 
 	TP_fast_assign(
 		LOCAL_ASSIGN;
+		VIF_ASSIGN;
 		STA_ASSIGN;
 		__entry->ret = ret;
 		__entry->action = action;
@@ -659,8 +662,8 @@ TRACE_EVENT(drv_ampdu_action,
 	),
 
 	TP_printk(
-		LOCAL_PR_FMT  STA_PR_FMT " action:%d tid:%d ret:%d",
-		LOCAL_PR_ARG, STA_PR_ARG, __entry->action, __entry->tid, __entry->ret
+		LOCAL_PR_FMT VIF_PR_FMT STA_PR_FMT " action:%d tid:%d ret:%d",
+		LOCAL_PR_ARG, VIF_PR_ARG, STA_PR_ARG, __entry->action, __entry->tid, __entry->ret
 	)
 );
 #endif /* !__MAC80211_DRIVER_TRACE || TRACE_HEADER_MULTI_READ */
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index 48ef1a282b9..345c8ee5017 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -141,7 +141,6 @@ void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
 			     struct sta_info *sta,
 			     struct ieee80211_mgmt *mgmt, size_t len)
 {
-	struct ieee80211_local *local = sdata->local;
 	u16 tid, params;
 	u16 initiator;
 
@@ -164,7 +163,7 @@ void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
 		sta->ampdu_mlme.tid_state_tx[tid] =
 				HT_AGG_STATE_OPERATIONAL;
 		spin_unlock_bh(&sta->lock);
-		ieee80211_stop_tx_ba_session(&local->hw, sta->sta.addr, tid,
+		ieee80211_stop_tx_ba_session(&sta->sta, tid,
 					     WLAN_BACK_RECIPIENT);
 	}
 }
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index b63b99fb2fd..b7598db5ade 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -771,8 +771,9 @@ IEEE80211_DEV_TO_SUB_IF(struct net_device *dev)
 	return netdev_priv(dev);
 }
 
-/* this struct represents 802.11n's RA/TID combination */
+/* this struct represents 802.11n's RA/TID combination along with our vif */
 struct ieee80211_ra_tid {
+	struct ieee80211_vif *vif;
 	u8 ra[ETH_ALEN];
 	u16 tid;
 };
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index c74a6a1935b..f4be97c3b74 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -296,14 +296,14 @@ static void ieee80211_tasklet_handler(unsigned long data)
 			break;
 		case IEEE80211_DELBA_MSG:
 			ra_tid = (struct ieee80211_ra_tid *) &skb->cb;
-			ieee80211_stop_tx_ba_cb(local_to_hw(local),
-						ra_tid->ra, ra_tid->tid);
+			ieee80211_stop_tx_ba_cb(ra_tid->vif, ra_tid->ra,
+						ra_tid->tid);
 			dev_kfree_skb(skb);
 			break;
 		case IEEE80211_ADDBA_MSG:
 			ra_tid = (struct ieee80211_ra_tid *) &skb->cb;
-			ieee80211_start_tx_ba_cb(local_to_hw(local),
-						 ra_tid->ra, ra_tid->tid);
+			ieee80211_start_tx_ba_cb(ra_tid->vif, ra_tid->ra,
+						 ra_tid->tid);
 			dev_kfree_skb(skb);
 			break ;
 		default:
-- 
GitLab


From af2ced6a32dafb71d21b726c06df57fc574093d7 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Mon, 16 Nov 2009 12:00:39 +0100
Subject: [PATCH 1365/1815] mac80211: push michael MIC report after DA check

When we receive a michael MIC failure report from the
hardware we currently do not check whether it is actually
reported on a frame that is destined to us. It shouldn't
be possible to get a michael MIC failure report on other
frames, but it also doesn't hurt to verify.

Also, since we then don't need the station struct that
early, move looking it up a bit later in the RX path.

Finally, while at it, a few code cleanups in the area.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/rx.c | 47 +++++++++++++++++++++++------------------------
 1 file changed, 23 insertions(+), 24 deletions(-)

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 6bce97ee253..68d9e9c8659 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1818,11 +1818,11 @@ static void ieee80211_rx_michael_mic_report(struct ieee80211_hdr *hdr,
 		 * Some hardware seem to generate incorrect Michael MIC
 		 * reports; ignore them to avoid triggering countermeasures.
 		 */
-		goto ignore;
+		return;
 	}
 
 	if (!ieee80211_has_protected(hdr->frame_control))
-		goto ignore;
+		return;
 
 	if (rx->sdata->vif.type == NL80211_IFTYPE_AP && keyidx) {
 		/*
@@ -1831,18 +1831,15 @@ static void ieee80211_rx_michael_mic_report(struct ieee80211_hdr *hdr,
 		 * group keys and only the AP is sending real multicast
 		 * frames in the BSS.
 		 */
-		goto ignore;
+		return;
 	}
 
 	if (!ieee80211_is_data(hdr->frame_control) &&
 	    !ieee80211_is_auth(hdr->frame_control))
-		goto ignore;
+		return;
 
 	mac80211_ev_michael_mic_failure(rx->sdata, keyidx, hdr, NULL,
 					GFP_ATOMIC);
- ignore:
-	dev_kfree_skb(rx->skb);
-	rx->skb = NULL;
 }
 
 /* TODO: use IEEE80211_RX_FRAGMENTED */
@@ -2064,8 +2061,6 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata,
 			return 0;
 		break;
 	case NL80211_IFTYPE_MONITOR:
-		/* take everything */
-		break;
 	case NL80211_IFTYPE_UNSPECIFIED:
 	case __NL80211_IFTYPE_AFTER_LAST:
 		/* should never get here */
@@ -2097,24 +2092,12 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
 	memset(&rx, 0, sizeof(rx));
 	rx.skb = skb;
 	rx.local = local;
-
 	rx.status = status;
 	rx.rate = rate;
 
 	if (ieee80211_is_data(hdr->frame_control) || ieee80211_is_mgmt(hdr->frame_control))
 		local->dot11ReceivedFragmentCount++;
 
-	rx.sta = sta_info_get(local, hdr->addr2);
-	if (rx.sta) {
-		rx.sdata = rx.sta->sdata;
-		rx.dev = rx.sta->sdata->dev;
-	}
-
-	if ((status->flag & RX_FLAG_MMIC_ERROR)) {
-		ieee80211_rx_michael_mic_report(hdr, &rx);
-		return;
-	}
-
 	if (unlikely(test_bit(SCAN_HW_SCANNING, &local->scanning) ||
 		     test_bit(SCAN_OFF_CHANNEL, &local->scanning)))
 		rx.flags |= IEEE80211_RX_IN_SCAN;
@@ -2122,13 +2105,22 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
 	ieee80211_parse_qos(&rx);
 	ieee80211_verify_alignment(&rx);
 
-	skb = rx.skb;
+	rx.sta = sta_info_get(local, hdr->addr2);
+	if (rx.sta) {
+		rx.sdata = rx.sta->sdata;
+		rx.dev = rx.sta->sdata->dev;
+	}
 
 	if (rx.sdata && ieee80211_is_data(hdr->frame_control)) {
 		rx.flags |= IEEE80211_RX_RA_MATCH;
 		prepares = prepare_for_handlers(rx.sdata, &rx, hdr);
-		if (prepares)
-			prev = rx.sdata;
+		if (prepares) {
+			if (status->flag & RX_FLAG_MMIC_ERROR) {
+				if (rx.flags & IEEE80211_RX_RA_MATCH)
+					ieee80211_rx_michael_mic_report(hdr, &rx);
+			} else
+				prev = rx.sdata;
+		}
 	} else list_for_each_entry_rcu(sdata, &local->interfaces, list) {
 		if (!netif_running(sdata->dev))
 			continue;
@@ -2143,6 +2135,13 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
 		if (!prepares)
 			continue;
 
+		if (status->flag & RX_FLAG_MMIC_ERROR) {
+			rx.sdata = sdata;
+			if (rx.flags & IEEE80211_RX_RA_MATCH)
+				ieee80211_rx_michael_mic_report(hdr, &rx);
+			continue;
+		}
+
 		/*
 		 * frame is destined for this interface, but if it's not
 		 * also for the previous one we handle that after the
-- 
GitLab


From a02ae758e8780d737b6d0135d6292bb3043e7eea Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Mon, 16 Nov 2009 12:00:40 +0100
Subject: [PATCH 1366/1815] mac80211: cleanup reorder buffer handling

The reorder buffer handling is written in a quite
peculiar style (especially comments) and also has
a quirk where it invokes the entire reorder code
in ieee80211_sta_manage_reorder_buf() for just a
handful of lines in it with a special argument.

Split out ieee80211_release_reorder_frames which
can then be invoked from BAR handling and other
reordering code, clean up code and comments and
remove function arguments that are now unused from
ieee80211_sta_manage_reorder_buf().

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/rx.c | 162 +++++++++++++++++++++++-----------------------
 1 file changed, 81 insertions(+), 81 deletions(-)

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 68d9e9c8659..37e9891605b 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -27,11 +27,10 @@
 #include "tkip.h"
 #include "wme.h"
 
-static u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
-					   struct tid_ampdu_rx *tid_agg_rx,
-					   struct sk_buff *skb,
-					   u16 mpdu_seq_num,
-					   int bar_req);
+static void ieee80211_release_reorder_frames(struct ieee80211_hw *hw,
+					     struct tid_ampdu_rx *tid_agg_rx,
+					     u16 head_seq_num);
+
 /*
  * monitor mode reception
  *
@@ -1592,11 +1591,11 @@ ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx)
 
 	if (ieee80211_is_back_req(bar->frame_control)) {
 		if (!rx->sta)
-			return RX_CONTINUE;
+			return RX_DROP_MONITOR;
 		tid = le16_to_cpu(bar->control) >> 12;
 		if (rx->sta->ampdu_mlme.tid_state_rx[tid]
 					!= HT_AGG_STATE_OPERATIONAL)
-			return RX_CONTINUE;
+			return RX_DROP_MONITOR;
 		tid_agg_rx = rx->sta->ampdu_mlme.tid_rx[tid];
 
 		start_seq_num = le16_to_cpu(bar->start_seq_num) >> 4;
@@ -1606,13 +1605,10 @@ ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx)
 			mod_timer(&tid_agg_rx->session_timer,
 				  TU_TO_EXP_TIME(tid_agg_rx->timeout));
 
-		/* manage reordering buffer according to requested */
-		/* sequence number */
-		rcu_read_lock();
-		ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, NULL,
-						 start_seq_num, 1);
-		rcu_read_unlock();
-		return RX_DROP_UNUSABLE;
+		/* release stored frames up to start of BAR */
+		ieee80211_release_reorder_frames(hw, tid_agg_rx, start_seq_num);
+		kfree_skb(skb);
+		return RX_QUEUED;
 	}
 
 	return RX_CONTINUE;
@@ -2223,6 +2219,18 @@ no_frame:
 	tid_agg_rx->head_seq_num = seq_inc(tid_agg_rx->head_seq_num);
 }
 
+static void ieee80211_release_reorder_frames(struct ieee80211_hw *hw,
+					     struct tid_ampdu_rx *tid_agg_rx,
+					     u16 head_seq_num)
+{
+	int index;
+
+	while (seq_less(tid_agg_rx->head_seq_num, head_seq_num)) {
+		index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) %
+							tid_agg_rx->buf_size;
+		ieee80211_release_reorder_frame(hw, tid_agg_rx, index);
+	}
+}
 
 /*
  * Timeout (in jiffies) for skb's that are waiting in the RX reorder buffer. If
@@ -2234,15 +2242,17 @@ no_frame:
 #define HT_RX_REORDER_BUF_TIMEOUT (HZ / 10)
 
 /*
- * As it function blongs to Rx path it must be called with
- * the proper rcu_read_lock protection for its flow.
+ * As this function belongs to the RX path it must be under
+ * rcu_read_lock protection. It returns false if the frame
+ * can be processed immediately, true if it was consumed.
  */
-static u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
-					   struct tid_ampdu_rx *tid_agg_rx,
-					   struct sk_buff *skb,
-					   u16 mpdu_seq_num,
-					   int bar_req)
+static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
+					     struct tid_ampdu_rx *tid_agg_rx,
+					     struct sk_buff *skb)
 {
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+	u16 sc = le16_to_cpu(hdr->seq_ctrl);
+	u16 mpdu_seq_num = (sc & IEEE80211_SCTL_SEQ) >> 4;
 	u16 head_seq_num, buf_size;
 	int index;
 
@@ -2252,47 +2262,37 @@ static u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
 	/* frame with out of date sequence number */
 	if (seq_less(mpdu_seq_num, head_seq_num)) {
 		dev_kfree_skb(skb);
-		return 1;
+		return true;
 	}
 
-	/* if frame sequence number exceeds our buffering window size or
-	 * block Ack Request arrived - release stored frames */
-	if ((!seq_less(mpdu_seq_num, head_seq_num + buf_size)) || (bar_req)) {
-		/* new head to the ordering buffer */
-		if (bar_req)
-			head_seq_num = mpdu_seq_num;
-		else
-			head_seq_num =
-				seq_inc(seq_sub(mpdu_seq_num, buf_size));
+	/*
+	 * If frame the sequence number exceeds our buffering window
+	 * size release some previous frames to make room for this one.
+	 */
+	if (!seq_less(mpdu_seq_num, head_seq_num + buf_size)) {
+		head_seq_num = seq_inc(seq_sub(mpdu_seq_num, buf_size));
 		/* release stored frames up to new head to stack */
-		while (seq_less(tid_agg_rx->head_seq_num, head_seq_num)) {
-			index = seq_sub(tid_agg_rx->head_seq_num,
-				tid_agg_rx->ssn)
-				% tid_agg_rx->buf_size;
-			ieee80211_release_reorder_frame(hw, tid_agg_rx,
-							index);
-		}
-		if (bar_req)
-			return 1;
+		ieee80211_release_reorder_frames(hw, tid_agg_rx, head_seq_num);
 	}
 
-	/* now the new frame is always in the range of the reordering */
-	/* buffer window */
-	index = seq_sub(mpdu_seq_num, tid_agg_rx->ssn)
-				% tid_agg_rx->buf_size;
+	/* Now the new frame is always in the range of the reordering buffer */
+
+	index = seq_sub(mpdu_seq_num, tid_agg_rx->ssn) % tid_agg_rx->buf_size;
+
 	/* check if we already stored this frame */
 	if (tid_agg_rx->reorder_buf[index]) {
 		dev_kfree_skb(skb);
-		return 1;
+		return true;
 	}
 
-	/* if arrived mpdu is in the right order and nothing else stored */
-	/* release it immediately */
+	/*
+	 * If the current MPDU is in the right order and nothing else
+	 * is stored we can process it directly, no need to buffer it.
+	 */
 	if (mpdu_seq_num == tid_agg_rx->head_seq_num &&
-			tid_agg_rx->stored_mpdu_num == 0) {
-		tid_agg_rx->head_seq_num =
-			seq_inc(tid_agg_rx->head_seq_num);
-		return 0;
+	    tid_agg_rx->stored_mpdu_num == 0) {
+		tid_agg_rx->head_seq_num = seq_inc(tid_agg_rx->head_seq_num);
+		return false;
 	}
 
 	/* put the frame in the reordering buffer */
@@ -2300,8 +2300,8 @@ static u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
 	tid_agg_rx->reorder_time[index] = jiffies;
 	tid_agg_rx->stored_mpdu_num++;
 	/* release the buffer until next missing frame */
-	index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn)
-						% tid_agg_rx->buf_size;
+	index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) %
+						tid_agg_rx->buf_size;
 	if (!tid_agg_rx->reorder_buf[index] &&
 	    tid_agg_rx->stored_mpdu_num > 1) {
 		/*
@@ -2312,12 +2312,12 @@ static u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
 		int skipped = 1;
 		for (j = (index + 1) % tid_agg_rx->buf_size; j != index;
 		     j = (j + 1) % tid_agg_rx->buf_size) {
-			if (tid_agg_rx->reorder_buf[j] == NULL) {
+			if (!tid_agg_rx->reorder_buf[j]) {
 				skipped++;
 				continue;
 			}
 			if (!time_after(jiffies, tid_agg_rx->reorder_time[j] +
-					HZ / 10))
+					HT_RX_REORDER_BUF_TIMEOUT))
 				break;
 
 #ifdef CONFIG_MAC80211_HT_DEBUG
@@ -2333,51 +2333,56 @@ static u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
 			 * Increment the head seq# also for the skipped slots.
 			 */
 			tid_agg_rx->head_seq_num =
-				(tid_agg_rx->head_seq_num + skipped) &
-				SEQ_MASK;
+				(tid_agg_rx->head_seq_num + skipped) & SEQ_MASK;
 			skipped = 0;
 		}
 	} else while (tid_agg_rx->reorder_buf[index]) {
 		ieee80211_release_reorder_frame(hw, tid_agg_rx, index);
-		index =	seq_sub(tid_agg_rx->head_seq_num,
-			tid_agg_rx->ssn) % tid_agg_rx->buf_size;
+		index =	seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) %
+							tid_agg_rx->buf_size;
 	}
-	return 1;
+
+	return true;
 }
 
-static u8 ieee80211_rx_reorder_ampdu(struct ieee80211_local *local,
-				     struct sk_buff *skb)
+/*
+ * Reorder MPDUs from A-MPDUs, keeping them on a buffer. Returns
+ * true if the MPDU was buffered, false if it should be processed.
+ */
+static bool ieee80211_rx_reorder_ampdu(struct ieee80211_local *local,
+				       struct sk_buff *skb)
 {
 	struct ieee80211_hw *hw = &local->hw;
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
 	struct sta_info *sta;
 	struct tid_ampdu_rx *tid_agg_rx;
 	u16 sc;
-	u16 mpdu_seq_num;
-	u8 ret = 0;
 	int tid;
 
+	if (!ieee80211_is_data_qos(hdr->frame_control))
+		return false;
+
+	/*
+	 * filter the QoS data rx stream according to
+	 * STA/TID and check if this STA/TID is on aggregation
+	 */
+
 	sta = sta_info_get(local, hdr->addr2);
 	if (!sta)
-		return ret;
-
-	/* filter the QoS data rx stream according to
-	 * STA/TID and check if this STA/TID is on aggregation */
-	if (!ieee80211_is_data_qos(hdr->frame_control))
-		goto end_reorder;
+		return false;
 
 	tid = *ieee80211_get_qos_ctl(hdr) & IEEE80211_QOS_CTL_TID_MASK;
 
 	if (sta->ampdu_mlme.tid_state_rx[tid] != HT_AGG_STATE_OPERATIONAL)
-		goto end_reorder;
+		return false;
 
 	tid_agg_rx = sta->ampdu_mlme.tid_rx[tid];
 
 	/* qos null data frames are excluded */
 	if (unlikely(hdr->frame_control & cpu_to_le16(IEEE80211_STYPE_NULLFUNC)))
-		goto end_reorder;
+		return false;
 
-	/* new un-ordered ampdu frame - process it */
+	/* new, potentially un-ordered, ampdu frame - process it */
 
 	/* reset session timer */
 	if (tid_agg_rx->timeout)
@@ -2389,16 +2394,11 @@ static u8 ieee80211_rx_reorder_ampdu(struct ieee80211_local *local,
 	if (sc & IEEE80211_SCTL_FRAG) {
 		ieee80211_sta_stop_rx_ba_session(sta->sdata, sta->sta.addr,
 			tid, 0, WLAN_REASON_QSTA_REQUIRE_SETUP);
-		ret = 1;
-		goto end_reorder;
+		dev_kfree_skb(skb);
+		return true;
 	}
 
-	/* according to mpdu sequence number deal with reordering buffer */
-	mpdu_seq_num = (sc & IEEE80211_SCTL_SEQ) >> 4;
-	ret = ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, skb,
-						mpdu_seq_num, 0);
- end_reorder:
-	return ret;
+	return ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, skb);
 }
 
 /*
-- 
GitLab


From eb9fb5b8883535c27d2cc5d4e4dbab3532f97b18 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Mon, 16 Nov 2009 13:58:20 +0100
Subject: [PATCH 1367/1815] mac80211: trim RX data

The RX data contains the netdev, which is
duplicated since we have the sdata, and the
RX status pointer, which is duplicate since
we have the skb. Remove those two fields to
have fewer fields that depend on each other
and simply load them as necessary.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/ieee80211_i.h |  2 -
 net/mac80211/rx.c          | 80 ++++++++++++++++++++------------------
 net/mac80211/wep.c         |  8 ++--
 net/mac80211/wpa.c         | 25 ++++++------
 4 files changed, 61 insertions(+), 54 deletions(-)

diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index b7598db5ade..c612981fc23 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -167,12 +167,10 @@ typedef unsigned __bitwise__ ieee80211_rx_result;
 
 struct ieee80211_rx_data {
 	struct sk_buff *skb;
-	struct net_device *dev;
 	struct ieee80211_local *local;
 	struct ieee80211_sub_if_data *sdata;
 	struct sta_info *sta;
 	struct ieee80211_key *key;
-	struct ieee80211_rx_status *status;
 	struct ieee80211_rate *rate;
 
 	unsigned int flags;
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 37e9891605b..904aaea081c 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -477,7 +477,7 @@ ieee80211_rx_mesh_check(struct ieee80211_rx_data *rx)
 {
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
 	unsigned int hdrlen = ieee80211_hdrlen(hdr->frame_control);
-	char *dev_addr = rx->dev->dev_addr;
+	char *dev_addr = rx->sdata->dev->dev_addr;
 
 	if (ieee80211_is_data(hdr->frame_control)) {
 		if (is_multicast_ether_addr(hdr->addr1)) {
@@ -591,7 +591,9 @@ ieee80211_rx_h_check(struct ieee80211_rx_data *rx)
 static ieee80211_rx_result debug_noinline
 ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx)
 {
-	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
+	struct sk_buff *skb = rx->skb;
+	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
 	int keyidx;
 	int hdrlen;
 	ieee80211_rx_result result = RX_DROP_UNUSABLE;
@@ -645,8 +647,8 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx)
 			return RX_CONTINUE;
 	} else if (mmie_keyidx >= 0) {
 		/* Broadcast/multicast robust management frame / BIP */
-		if ((rx->status->flag & RX_FLAG_DECRYPTED) &&
-		    (rx->status->flag & RX_FLAG_IV_STRIPPED))
+		if ((status->flag & RX_FLAG_DECRYPTED) &&
+		    (status->flag & RX_FLAG_IV_STRIPPED))
 			return RX_CONTINUE;
 
 		if (mmie_keyidx < NUM_DEFAULT_KEYS ||
@@ -678,8 +680,8 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx)
 		 * we somehow allow the driver to tell us which key
 		 * the hardware used if this flag is set?
 		 */
-		if ((rx->status->flag & RX_FLAG_DECRYPTED) &&
-		    (rx->status->flag & RX_FLAG_IV_STRIPPED))
+		if ((status->flag & RX_FLAG_DECRYPTED) &&
+		    (status->flag & RX_FLAG_IV_STRIPPED))
 			return RX_CONTINUE;
 
 		hdrlen = ieee80211_hdrlen(hdr->frame_control);
@@ -715,8 +717,8 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx)
 	/* Check for weak IVs if possible */
 	if (rx->sta && rx->key->conf.alg == ALG_WEP &&
 	    ieee80211_is_data(hdr->frame_control) &&
-	    (!(rx->status->flag & RX_FLAG_IV_STRIPPED) ||
-	     !(rx->status->flag & RX_FLAG_DECRYPTED)) &&
+	    (!(status->flag & RX_FLAG_IV_STRIPPED) ||
+	     !(status->flag & RX_FLAG_DECRYPTED)) &&
 	    ieee80211_wep_is_weak_iv(rx->skb, rx->key))
 		rx->sta->wep_weak_iv_count++;
 
@@ -736,7 +738,7 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx)
 	}
 
 	/* either the frame has been decrypted or will be dropped */
-	rx->status->flag |= RX_FLAG_DECRYPTED;
+	status->flag |= RX_FLAG_DECRYPTED;
 
 	return result;
 }
@@ -816,7 +818,9 @@ static ieee80211_rx_result debug_noinline
 ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
 {
 	struct sta_info *sta = rx->sta;
-	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
+	struct sk_buff *skb = rx->skb;
+	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
 
 	if (!sta)
 		return RX_CONTINUE;
@@ -847,8 +851,8 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
 
 	sta->rx_fragments++;
 	sta->rx_bytes += rx->skb->len;
-	sta->last_signal = rx->status->signal;
-	sta->last_noise = rx->status->noise;
+	sta->last_signal = status->signal;
+	sta->last_noise = status->noise;
 
 	/*
 	 * Change STA power saving mode only at the end of a frame
@@ -1140,11 +1144,14 @@ ieee80211_802_1x_port_control(struct ieee80211_rx_data *rx)
 static int
 ieee80211_drop_unencrypted(struct ieee80211_rx_data *rx, __le16 fc)
 {
+	struct sk_buff *skb = rx->skb;
+	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
+
 	/*
 	 * Pass through unencrypted frames if the hardware has
 	 * decrypted them already.
 	 */
-	if (rx->status->flag & RX_FLAG_DECRYPTED)
+	if (status->flag & RX_FLAG_DECRYPTED)
 		return 0;
 
 	/* Drop unencrypted frames if key is set. */
@@ -1178,8 +1185,8 @@ ieee80211_drop_unencrypted(struct ieee80211_rx_data *rx, __le16 fc)
 static int
 __ieee80211_data_to_8023(struct ieee80211_rx_data *rx)
 {
-	struct net_device *dev = rx->dev;
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	struct ieee80211_sub_if_data *sdata = rx->sdata;
+	struct net_device *dev = sdata->dev;
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
 
 	if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN && !sdata->use_4addr &&
@@ -1205,7 +1212,7 @@ static bool ieee80211_frame_allowed(struct ieee80211_rx_data *rx, __le16 fc)
 	 * of whether the frame was encrypted or not.
 	 */
 	if (ehdr->h_proto == htons(ETH_P_PAE) &&
-	    (compare_ether_addr(ehdr->h_dest, rx->dev->dev_addr) == 0 ||
+	    (compare_ether_addr(ehdr->h_dest, rx->sdata->dev->dev_addr) == 0 ||
 	     compare_ether_addr(ehdr->h_dest, pae_group_addr) == 0))
 		return true;
 
@@ -1222,10 +1229,10 @@ static bool ieee80211_frame_allowed(struct ieee80211_rx_data *rx, __le16 fc)
 static void
 ieee80211_deliver_skb(struct ieee80211_rx_data *rx)
 {
-	struct net_device *dev = rx->dev;
+	struct ieee80211_sub_if_data *sdata = rx->sdata;
+	struct net_device *dev = sdata->dev;
 	struct ieee80211_local *local = rx->local;
 	struct sk_buff *skb, *xmit_skb;
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	struct ethhdr *ehdr = (struct ethhdr *) rx->skb->data;
 	struct sta_info *dsta;
 
@@ -1306,7 +1313,7 @@ ieee80211_deliver_skb(struct ieee80211_rx_data *rx)
 static ieee80211_rx_result debug_noinline
 ieee80211_rx_h_amsdu(struct ieee80211_rx_data *rx)
 {
-	struct net_device *dev = rx->dev;
+	struct net_device *dev = rx->sdata->dev;
 	struct ieee80211_local *local = rx->local;
 	u16 ethertype;
 	u8 *payload;
@@ -1431,12 +1438,11 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
 	unsigned int hdrlen;
 	struct sk_buff *skb = rx->skb, *fwd_skb;
 	struct ieee80211_local *local = rx->local;
-	struct ieee80211_sub_if_data *sdata;
+	struct ieee80211_sub_if_data *sdata = rx->sdata;
 
 	hdr = (struct ieee80211_hdr *) skb->data;
 	hdrlen = ieee80211_hdrlen(hdr->frame_control);
 	mesh_hdr = (struct ieee80211s_hdr *) (skb->data + hdrlen);
-	sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev);
 
 	if (!ieee80211_is_data(hdr->frame_control))
 		return RX_CONTINUE;
@@ -1474,7 +1480,7 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
 
 	/* Frame has reached destination.  Don't forward */
 	if (!is_multicast_ether_addr(hdr->addr1) &&
-			compare_ether_addr(rx->dev->dev_addr, hdr->addr3) == 0)
+	    compare_ether_addr(sdata->dev->dev_addr, hdr->addr3) == 0)
 		return RX_CONTINUE;
 
 	mesh_hdr->ttl--;
@@ -1491,10 +1497,10 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
 
 			if (!fwd_skb && net_ratelimit())
 				printk(KERN_DEBUG "%s: failed to clone mesh frame\n",
-						   rx->dev->name);
+						   sdata->dev->name);
 
 			fwd_hdr =  (struct ieee80211_hdr *) fwd_skb->data;
-			memcpy(fwd_hdr->addr2, rx->dev->dev_addr, ETH_ALEN);
+			memcpy(fwd_hdr->addr2, sdata->dev->dev_addr, ETH_ALEN);
 			info = IEEE80211_SKB_CB(fwd_skb);
 			memset(info, 0, sizeof(*info));
 			info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
@@ -1528,7 +1534,7 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
 	}
 
 	if (is_multicast_ether_addr(hdr->addr1) ||
-	    rx->dev->flags & IFF_PROMISC)
+	    sdata->dev->flags & IFF_PROMISC)
 		return RX_CONTINUE;
 	else
 		return RX_DROP_MONITOR;
@@ -1538,9 +1544,9 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
 static ieee80211_rx_result debug_noinline
 ieee80211_rx_h_data(struct ieee80211_rx_data *rx)
 {
-	struct net_device *dev = rx->dev;
+	struct ieee80211_sub_if_data *sdata = rx->sdata;
+	struct net_device *dev = sdata->dev;
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	__le16 fc = hdr->frame_control;
 	int err;
 
@@ -1664,7 +1670,7 @@ static ieee80211_rx_result debug_noinline
 ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
 {
 	struct ieee80211_local *local = rx->local;
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev);
+	struct ieee80211_sub_if_data *sdata = rx->sdata;
 	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data;
 	int len = rx->skb->len;
 
@@ -1776,7 +1782,7 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
 static ieee80211_rx_result debug_noinline
 ieee80211_rx_h_mgmt(struct ieee80211_rx_data *rx)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev);
+	struct ieee80211_sub_if_data *sdata = rx->sdata;
 	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data;
 
 	if (!(rx->flags & IEEE80211_RX_RA_MATCH))
@@ -1852,7 +1858,7 @@ static void ieee80211_rx_cooked_monitor(struct ieee80211_rx_data *rx)
 	} __attribute__ ((packed)) *rthdr;
 	struct sk_buff *skb = rx->skb, *skb2;
 	struct net_device *prev_dev = NULL;
-	struct ieee80211_rx_status *status = rx->status;
+	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
 
 	if (rx->flags & IEEE80211_RX_CMNTR_REPORTED)
 		goto out_free_skb;
@@ -1928,7 +1934,6 @@ static void ieee80211_invoke_rx_handlers(struct ieee80211_sub_if_data *sdata,
 
 	rx->skb = skb;
 	rx->sdata = sdata;
-	rx->dev = sdata->dev;
 
 #define CALL_RXH(rxh)			\
 	do {				\
@@ -1987,7 +1992,9 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata,
 				struct ieee80211_rx_data *rx,
 				struct ieee80211_hdr *hdr)
 {
-	u8 *bssid = ieee80211_get_bssid(hdr, rx->skb->len, sdata->vif.type);
+	struct sk_buff *skb = rx->skb;
+	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
+	u8 *bssid = ieee80211_get_bssid(hdr, skb->len, sdata->vif.type);
 	int multicast = is_multicast_ether_addr(hdr->addr1);
 
 	switch (sdata->vif.type) {
@@ -2019,10 +2026,10 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata,
 			rx->flags &= ~IEEE80211_RX_RA_MATCH;
 		} else if (!rx->sta) {
 			int rate_idx;
-			if (rx->status->flag & RX_FLAG_HT)
+			if (status->flag & RX_FLAG_HT)
 				rate_idx = 0; /* TODO: HT rates */
 			else
-				rate_idx = rx->status->rate_idx;
+				rate_idx = status->rate_idx;
 			rx->sta = ieee80211_ibss_add_sta(sdata, bssid, hdr->addr2,
 				BIT(rate_idx));
 		}
@@ -2088,7 +2095,6 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
 	memset(&rx, 0, sizeof(rx));
 	rx.skb = skb;
 	rx.local = local;
-	rx.status = status;
 	rx.rate = rate;
 
 	if (ieee80211_is_data(hdr->frame_control) || ieee80211_is_mgmt(hdr->frame_control))
@@ -2102,10 +2108,8 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
 	ieee80211_verify_alignment(&rx);
 
 	rx.sta = sta_info_get(local, hdr->addr2);
-	if (rx.sta) {
+	if (rx.sta)
 		rx.sdata = rx.sta->sdata;
-		rx.dev = rx.sta->sdata->dev;
-	}
 
 	if (rx.sdata && ieee80211_is_data(hdr->frame_control)) {
 		rx.flags |= IEEE80211_RX_RA_MATCH;
diff --git a/net/mac80211/wep.c b/net/mac80211/wep.c
index 8a980f13694..247123fe1a7 100644
--- a/net/mac80211/wep.c
+++ b/net/mac80211/wep.c
@@ -281,16 +281,18 @@ bool ieee80211_wep_is_weak_iv(struct sk_buff *skb, struct ieee80211_key *key)
 ieee80211_rx_result
 ieee80211_crypto_wep_decrypt(struct ieee80211_rx_data *rx)
 {
-	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
+	struct sk_buff *skb = rx->skb;
+	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
 
 	if (!ieee80211_is_data(hdr->frame_control) &&
 	    !ieee80211_is_auth(hdr->frame_control))
 		return RX_CONTINUE;
 
-	if (!(rx->status->flag & RX_FLAG_DECRYPTED)) {
+	if (!(status->flag & RX_FLAG_DECRYPTED)) {
 		if (ieee80211_wep_decrypt(rx->local, rx->skb, rx->key))
 			return RX_DROP_UNUSABLE;
-	} else if (!(rx->status->flag & RX_FLAG_IV_STRIPPED)) {
+	} else if (!(status->flag & RX_FLAG_IV_STRIPPED)) {
 		ieee80211_wep_remove_iv(rx->local, rx->skb, rx->key);
 		/* remove ICV */
 		skb_trim(rx->skb, rx->skb->len - WEP_ICV_LEN);
diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c
index 70778694877..5332014cb22 100644
--- a/net/mac80211/wpa.c
+++ b/net/mac80211/wpa.c
@@ -85,16 +85,16 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_rx_data *rx)
 	u8 *data, *key = NULL, key_offset;
 	size_t data_len;
 	unsigned int hdrlen;
-	struct ieee80211_hdr *hdr;
 	u8 mic[MICHAEL_MIC_LEN];
 	struct sk_buff *skb = rx->skb;
+	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
 	int authenticator = 1, wpa_test = 0;
 
 	/* No way to verify the MIC if the hardware stripped it */
-	if (rx->status->flag & RX_FLAG_MMIC_STRIPPED)
+	if (status->flag & RX_FLAG_MMIC_STRIPPED)
 		return RX_CONTINUE;
 
-	hdr = (struct ieee80211_hdr *)skb->data;
 	if (!rx->key || rx->key->conf.alg != ALG_TKIP ||
 	    !ieee80211_has_protected(hdr->frame_control) ||
 	    !ieee80211_is_data_present(hdr->frame_control))
@@ -216,6 +216,7 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_rx_data *rx)
 	int hdrlen, res, hwaccel = 0, wpa_test = 0;
 	struct ieee80211_key *key = rx->key;
 	struct sk_buff *skb = rx->skb;
+	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
 
 	hdrlen = ieee80211_hdrlen(hdr->frame_control);
 
@@ -225,8 +226,8 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_rx_data *rx)
 	if (!rx->sta || skb->len - hdrlen < 12)
 		return RX_DROP_UNUSABLE;
 
-	if (rx->status->flag & RX_FLAG_DECRYPTED) {
-		if (rx->status->flag & RX_FLAG_IV_STRIPPED) {
+	if (status->flag & RX_FLAG_DECRYPTED) {
+		if (status->flag & RX_FLAG_IV_STRIPPED) {
 			/*
 			 * Hardware took care of all processing, including
 			 * replay protection, and stripped the ICV/IV so
@@ -442,6 +443,7 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx)
 	int hdrlen;
 	struct ieee80211_key *key = rx->key;
 	struct sk_buff *skb = rx->skb;
+	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
 	u8 pn[CCMP_PN_LEN];
 	int data_len;
 
@@ -455,8 +457,8 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx)
 	if (!rx->sta || data_len < 0)
 		return RX_DROP_UNUSABLE;
 
-	if ((rx->status->flag & RX_FLAG_DECRYPTED) &&
-	    (rx->status->flag & RX_FLAG_IV_STRIPPED))
+	if ((status->flag & RX_FLAG_DECRYPTED) &&
+	    (status->flag & RX_FLAG_IV_STRIPPED))
 		return RX_CONTINUE;
 
 	ccmp_hdr2pn(pn, skb->data + hdrlen);
@@ -466,7 +468,7 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx)
 		return RX_DROP_UNUSABLE;
 	}
 
-	if (!(rx->status->flag & RX_FLAG_DECRYPTED)) {
+	if (!(status->flag & RX_FLAG_DECRYPTED)) {
 		/* hardware didn't decrypt/verify MIC */
 		ccmp_special_blocks(skb, pn, key->u.ccmp.rx_crypto_buf, 1);
 
@@ -563,6 +565,7 @@ ieee80211_rx_result
 ieee80211_crypto_aes_cmac_decrypt(struct ieee80211_rx_data *rx)
 {
 	struct sk_buff *skb = rx->skb;
+	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
 	struct ieee80211_key *key = rx->key;
 	struct ieee80211_mmie *mmie;
 	u8 aad[20], mic[8], ipn[6];
@@ -571,8 +574,8 @@ ieee80211_crypto_aes_cmac_decrypt(struct ieee80211_rx_data *rx)
 	if (!ieee80211_is_mgmt(hdr->frame_control))
 		return RX_CONTINUE;
 
-	if ((rx->status->flag & RX_FLAG_DECRYPTED) &&
-	    (rx->status->flag & RX_FLAG_IV_STRIPPED))
+	if ((status->flag & RX_FLAG_DECRYPTED) &&
+	    (status->flag & RX_FLAG_IV_STRIPPED))
 		return RX_CONTINUE;
 
 	if (skb->len < 24 + sizeof(*mmie))
@@ -591,7 +594,7 @@ ieee80211_crypto_aes_cmac_decrypt(struct ieee80211_rx_data *rx)
 		return RX_DROP_UNUSABLE;
 	}
 
-	if (!(rx->status->flag & RX_FLAG_DECRYPTED)) {
+	if (!(status->flag & RX_FLAG_DECRYPTED)) {
 		/* hardware didn't decrypt/verify MIC */
 		bip_aad(skb, aad);
 		ieee80211_aes_cmac(key->u.aes_cmac.tfm,
-- 
GitLab


From 5f0b7de59fae1e57b2481c9756cd4a0f6308530f Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Mon, 16 Nov 2009 13:58:21 +0100
Subject: [PATCH 1368/1815] mac80211: improve rate handling

Some code currently assumes that there's a valid
rate pointer even in the HT case, but there can't
be. To reduce reliance on that, remove the rate
pointer from the RX data struct and pass it where
it's needed.

Also, for now, in radiotap announce HT frames as
having a DYN channel type, and remove their rate
from cooked monitor radiotap completely (it isn't
present in the regular monitor radiotap either.)

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/ieee80211_i.h |  1 -
 net/mac80211/rx.c          | 35 ++++++++++++++++++-----------------
 2 files changed, 18 insertions(+), 18 deletions(-)

diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index c612981fc23..a1bd4b2bc9e 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -171,7 +171,6 @@ struct ieee80211_rx_data {
 	struct ieee80211_sub_if_data *sdata;
 	struct sta_info *sta;
 	struct ieee80211_key *key;
-	struct ieee80211_rate *rate;
 
 	unsigned int flags;
 	int queue;
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 904aaea081c..e0cb3357f79 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -163,6 +163,9 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
 	if (status->band == IEEE80211_BAND_5GHZ)
 		put_unaligned_le16(IEEE80211_CHAN_OFDM | IEEE80211_CHAN_5GHZ,
 				   pos);
+	else if (status->flag & RX_FLAG_HT)
+		put_unaligned_le16(IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ,
+				   pos);
 	else if (rate->flags & IEEE80211_RATE_ERP_G)
 		put_unaligned_le16(IEEE80211_CHAN_OFDM | IEEE80211_CHAN_2GHZ,
 				   pos);
@@ -1845,14 +1848,15 @@ static void ieee80211_rx_michael_mic_report(struct ieee80211_hdr *hdr,
 }
 
 /* TODO: use IEEE80211_RX_FRAGMENTED */
-static void ieee80211_rx_cooked_monitor(struct ieee80211_rx_data *rx)
+static void ieee80211_rx_cooked_monitor(struct ieee80211_rx_data *rx,
+					struct ieee80211_rate *rate)
 {
 	struct ieee80211_sub_if_data *sdata;
 	struct ieee80211_local *local = rx->local;
 	struct ieee80211_rtap_hdr {
 		struct ieee80211_radiotap_header hdr;
 		u8 flags;
-		u8 rate;
+		u8 rate_or_pad;
 		__le16 chan_freq;
 		__le16 chan_flags;
 	} __attribute__ ((packed)) *rthdr;
@@ -1872,10 +1876,13 @@ static void ieee80211_rx_cooked_monitor(struct ieee80211_rx_data *rx)
 	rthdr->hdr.it_len = cpu_to_le16(sizeof(*rthdr));
 	rthdr->hdr.it_present =
 		cpu_to_le32((1 << IEEE80211_RADIOTAP_FLAGS) |
-			    (1 << IEEE80211_RADIOTAP_RATE) |
 			    (1 << IEEE80211_RADIOTAP_CHANNEL));
 
-	rthdr->rate = rx->rate->bitrate / 5;
+	if (rate) {
+		rthdr->rate_or_pad = rate->bitrate / 5;
+		rthdr->hdr.it_present |=
+			cpu_to_le32(1 << IEEE80211_RADIOTAP_RATE);
+	}
 	rthdr->chan_freq = cpu_to_le16(status->freq);
 
 	if (status->band == IEEE80211_BAND_5GHZ)
@@ -1928,7 +1935,8 @@ static void ieee80211_rx_cooked_monitor(struct ieee80211_rx_data *rx)
 
 static void ieee80211_invoke_rx_handlers(struct ieee80211_sub_if_data *sdata,
 					 struct ieee80211_rx_data *rx,
-					 struct sk_buff *skb)
+					 struct sk_buff *skb,
+					 struct ieee80211_rate *rate)
 {
 	ieee80211_rx_result res = RX_DROP_MONITOR;
 
@@ -1972,7 +1980,7 @@ static void ieee80211_invoke_rx_handlers(struct ieee80211_sub_if_data *sdata,
 			rx->sta->rx_dropped++;
 		/* fall through */
 	case RX_CONTINUE:
-		ieee80211_rx_cooked_monitor(rx);
+		ieee80211_rx_cooked_monitor(rx, rate);
 		break;
 	case RX_DROP_UNUSABLE:
 		I802_DEBUG_INC(sdata->local->rx_handlers_drop);
@@ -2095,7 +2103,6 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
 	memset(&rx, 0, sizeof(rx));
 	rx.skb = skb;
 	rx.local = local;
-	rx.rate = rate;
 
 	if (ieee80211_is_data(hdr->frame_control) || ieee80211_is_mgmt(hdr->frame_control))
 		local->dot11ReceivedFragmentCount++;
@@ -2167,11 +2174,11 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
 				       prev->dev->name);
 			continue;
 		}
-		ieee80211_invoke_rx_handlers(prev, &rx, skb_new);
+		ieee80211_invoke_rx_handlers(prev, &rx, skb_new, rate);
 		prev = sdata;
 	}
 	if (prev)
-		ieee80211_invoke_rx_handlers(prev, &rx, skb);
+		ieee80211_invoke_rx_handlers(prev, &rx, skb, rate);
 	else
 		dev_kfree_skb(skb);
 }
@@ -2200,7 +2207,7 @@ static void ieee80211_release_reorder_frame(struct ieee80211_hw *hw,
 					    int index)
 {
 	struct ieee80211_supported_band *sband;
-	struct ieee80211_rate *rate;
+	struct ieee80211_rate *rate = NULL;
 	struct sk_buff *skb = tid_agg_rx->reorder_buf[index];
 	struct ieee80211_rx_status *status;
 
@@ -2211,9 +2218,7 @@ static void ieee80211_release_reorder_frame(struct ieee80211_hw *hw,
 
 	/* release the reordered frames to stack */
 	sband = hw->wiphy->bands[status->band];
-	if (status->flag & RX_FLAG_HT)
-		rate = sband->bitrates; /* TODO: HT rates */
-	else
+	if (!(status->flag & RX_FLAG_HT))
 		rate = &sband->bitrates[status->rate_idx];
 	__ieee80211_rx_handle_packet(hw, skb, rate);
 	tid_agg_rx->stored_mpdu_num--;
@@ -2460,10 +2465,6 @@ void ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb)
 			 status->rate_idx,
 			 status->rate_idx))
 			goto drop;
-		/* HT rates are not in the table - use the highest legacy rate
-		 * for now since other parts of mac80211 may not yet be fully
-		 * MCS aware. */
-		rate = &sband->bitrates[sband->n_bitrates - 1];
 	} else {
 		if (WARN_ON(status->rate_idx < 0 ||
 			    status->rate_idx >= sband->n_bitrates))
-- 
GitLab


From d84f323477260e773d5317ad7cbe50f76115cb47 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Mon, 16 Nov 2009 23:20:41 +0100
Subject: [PATCH 1369/1815] mac80211: remove dev_hold/put calls

If we move the rcu sections a little, there's
no need to touch the device refcount.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/tx.c | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 3ad053f6de1..375cecc837a 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1430,8 +1430,6 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
 	int headroom;
 	bool may_encrypt;
 
-	dev_hold(sdata->dev);
-
 	if (need_dynamic_ps(local)) {
 		if (local->hw.conf.flags & IEEE80211_CONF_PS) {
 			ieee80211_stop_queues_by_reason(&local->hw,
@@ -1446,6 +1444,8 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
 
 	info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
 
+	rcu_read_lock();
+
 	if (unlikely(sdata->vif.type == NL80211_IFTYPE_MONITOR)) {
 		int hdrlen;
 		u16 len_rthdr;
@@ -1468,7 +1468,6 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
 			 * support we will need a different mechanism.
 			 */
 
-			rcu_read_lock();
 			list_for_each_entry_rcu(tmp_sdata, &local->interfaces,
 						list) {
 				if (!netif_running(tmp_sdata->dev))
@@ -1477,13 +1476,10 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
 					continue;
 				if (compare_ether_addr(tmp_sdata->dev->dev_addr,
 						       hdr->addr2) == 0) {
-					dev_hold(tmp_sdata->dev);
-					dev_put(sdata->dev);
 					sdata = tmp_sdata;
 					break;
 				}
 			}
-			rcu_read_unlock();
 		}
 	}
 
@@ -1497,7 +1493,7 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
 
 	if (ieee80211_skb_resize(local, skb, headroom, may_encrypt)) {
 		dev_kfree_skb(skb);
-		dev_put(sdata->dev);
+		rcu_read_unlock();
 		return;
 	}
 
@@ -1508,13 +1504,13 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
 		!is_multicast_ether_addr(hdr->addr1))
 			if (mesh_nexthop_lookup(skb, sdata)) {
 				/* skb queued: don't free */
-				dev_put(sdata->dev);
+				rcu_read_unlock();
 				return;
 			}
 
 	ieee80211_select_queue(local, skb);
 	ieee80211_tx(sdata, skb, false);
-	dev_put(sdata->dev);
+	rcu_read_unlock();
 }
 
 netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb,
@@ -1964,12 +1960,10 @@ void ieee80211_tx_pending(unsigned long data)
 			}
 
 			sdata = vif_to_sdata(info->control.vif);
-			dev_hold(sdata->dev);
 			spin_unlock_irqrestore(&local->queue_stop_reason_lock,
 						flags);
 
 			txok = ieee80211_tx_pending_skb(local, skb);
-			dev_put(sdata->dev);
 			if (!txok)
 				__skb_queue_head(&local->pending[i], skb);
 			spin_lock_irqsave(&local->queue_stop_reason_lock,
-- 
GitLab


From 15ff63653e507ec928a4a4386405a82446e096b1 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Tue, 17 Nov 2009 13:34:04 +0100
Subject: [PATCH 1370/1815] mac80211: use fixed broadcast address

The netdev broadcast address cannot change from
all-ones so there's no need to use it; we can
instead hard-code it. Since we already have an
instance in tkip.c, which will be shared if it
is marked static const, doing this reduces text
size at no data/bss cost.

The real motivation for this is, of course, the
desire to get rid of almost all uses of netdevs
in mac80211 so that auditing their use becomes
easier.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/mesh.c         |  5 +++--
 net/mac80211/mesh.h         |  4 ++--
 net/mac80211/mesh_hwmp.c    | 20 +++++++++++---------
 net/mac80211/mesh_pathtbl.c |  3 ++-
 net/mac80211/tkip.c         |  4 ++--
 net/mac80211/tx.c           | 10 +++++++---
 6 files changed, 27 insertions(+), 19 deletions(-)

diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index bbd56b08789..3a0683ba357 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -394,8 +394,9 @@ void ieee80211_mesh_root_setup(struct ieee80211_if_mesh *ifmsh)
  *
  * Return the length of the 802.11 (does not include a mesh control header)
  */
-int ieee80211_fill_mesh_addresses(struct ieee80211_hdr *hdr, __le16 *fc, char
-		*meshda, char *meshsa) {
+int ieee80211_fill_mesh_addresses(struct ieee80211_hdr *hdr, __le16 *fc,
+				  const u8 *meshda, const u8 *meshsa)
+{
 	if (is_multicast_ether_addr(meshda)) {
 		*fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
 		/* DA TA SA */
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index bd0e1cbb9a1..31e10254186 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -220,7 +220,7 @@ struct mesh_rmc {
 /* Public interfaces */
 /* Various */
 int ieee80211_fill_mesh_addresses(struct ieee80211_hdr *hdr, __le16 *fc,
-		char *da, char *sa);
+				  const u8 *da, const u8 *sa);
 int ieee80211_new_mesh_header(struct ieee80211s_hdr *meshhdr,
 		struct ieee80211_sub_if_data *sdata, char *addr4,
 		char *addr5, char *addr6);
@@ -284,7 +284,7 @@ u32 mesh_table_hash(u8 *addr, struct ieee80211_sub_if_data *sdata,
 		struct mesh_table *tbl);
 /* Mesh paths */
 int mesh_path_error_tx(u8 ttl, u8 *target, __le32 target_sn, __le16 target_rcode,
-		u8 *ra, struct ieee80211_sub_if_data *sdata);
+		       const u8 *ra, struct ieee80211_sub_if_data *sdata);
 void mesh_path_assign_nexthop(struct mesh_path *mpath, struct sta_info *sta);
 void mesh_path_flush_pending(struct mesh_path *mpath);
 void mesh_path_tx_pending(struct mesh_path *mpath);
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 5c67e7b8790..d93019874e4 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -101,10 +101,12 @@ enum mpath_frame_type {
 	MPATH_RANN
 };
 
+static const u8 broadcast_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+
 static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
 		u8 *orig_addr, __le32 orig_sn, u8 target_flags, u8 *target,
-		__le32 target_sn, u8 *da, u8 hop_count, u8 ttl,__le32 lifetime,
-		__le32 metric, __le32 preq_id,
+		__le32 target_sn, const u8 *da, u8 hop_count, u8 ttl,
+		__le32 lifetime, __le32 metric, __le32 preq_id,
 		struct ieee80211_sub_if_data *sdata)
 {
 	struct ieee80211_local *local = sdata->local;
@@ -198,8 +200,8 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
  * @ra: node this frame is addressed to
  */
 int mesh_path_error_tx(u8 ttl, u8 *target, __le32 target_sn,
-		__le16 target_rcode, u8 *ra,
-		struct ieee80211_sub_if_data *sdata)
+		       __le16 target_rcode, const u8 *ra,
+		       struct ieee80211_sub_if_data *sdata)
 {
 	struct ieee80211_local *local = sdata->local;
 	struct sk_buff *skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400);
@@ -548,7 +550,7 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
 		hopcount = PREQ_IE_HOPCOUNT(preq_elem) + 1;
 		mesh_path_sel_frame_tx(MPATH_PREQ, flags, orig_addr,
 				cpu_to_le32(orig_sn), target_flags, target_addr,
-				cpu_to_le32(target_sn), sdata->dev->broadcast,
+				cpu_to_le32(target_sn), broadcast_addr,
 				hopcount, ttl, cpu_to_le32(lifetime),
 				cpu_to_le32(metric), cpu_to_le32(preq_id),
 				sdata);
@@ -660,7 +662,7 @@ static void hwmp_perr_frame_process(struct ieee80211_sub_if_data *sdata,
 			spin_unlock_bh(&mpath->state_lock);
 			mesh_path_error_tx(ttl, target_addr, cpu_to_le32(target_sn),
 					   cpu_to_le16(target_rcode),
-					   sdata->dev->broadcast, sdata);
+					   broadcast_addr, sdata);
 		} else
 			spin_unlock_bh(&mpath->state_lock);
 	}
@@ -709,7 +711,7 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata,
 	if (mpath->sn < orig_sn) {
 		mesh_path_sel_frame_tx(MPATH_RANN, flags, orig_addr,
 				       cpu_to_le32(orig_sn),
-				       0, NULL, 0, sdata->dev->broadcast,
+				       0, NULL, 0, broadcast_addr,
 				       hopcount, ttl, 0,
 				       cpu_to_le32(metric + mpath->metric),
 				       0, sdata);
@@ -890,7 +892,7 @@ void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata)
 	spin_unlock_bh(&mpath->state_lock);
 	mesh_path_sel_frame_tx(MPATH_PREQ, 0, sdata->dev->dev_addr,
 			cpu_to_le32(ifmsh->sn), target_flags, mpath->dst,
-			cpu_to_le32(mpath->sn), sdata->dev->broadcast, 0,
+			cpu_to_le32(mpath->sn), broadcast_addr, 0,
 			ttl, cpu_to_le32(lifetime), 0,
 			cpu_to_le32(ifmsh->preq_id++), sdata);
 	mod_timer(&mpath->timer, jiffies + mpath->discovery_timeout);
@@ -1011,6 +1013,6 @@ mesh_path_tx_root_frame(struct ieee80211_sub_if_data *sdata)
 
 	mesh_path_sel_frame_tx(MPATH_RANN, 0, sdata->dev->dev_addr,
 			       cpu_to_le32(++ifmsh->sn),
-			       0, NULL, 0, sdata->dev->broadcast,
+			       0, NULL, 0, broadcast_addr,
 			       0, MESH_TTL, 0, 0, 0, sdata);
 }
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index 5399e7a9ec6..3fbabbf34ea 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -449,6 +449,7 @@ err_path_alloc:
  */
 void mesh_plink_broken(struct sta_info *sta)
 {
+	static const u8 bcast[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 	struct mesh_path *mpath;
 	struct mpath_node *node;
 	struct hlist_node *p;
@@ -468,7 +469,7 @@ void mesh_plink_broken(struct sta_info *sta)
 			mesh_path_error_tx(MESH_TTL, mpath->dst,
 					cpu_to_le32(mpath->sn),
 					PERR_RCODE_DEST_UNREACH,
-					sdata->dev->broadcast, sdata);
+					bcast, sdata);
 		} else
 		spin_unlock_bh(&mpath->state_lock);
 	}
diff --git a/net/mac80211/tkip.c b/net/mac80211/tkip.c
index 964b7faa7f1..4921d724b6c 100644
--- a/net/mac80211/tkip.c
+++ b/net/mac80211/tkip.c
@@ -301,9 +301,9 @@ int ieee80211_tkip_decrypt_data(struct crypto_blkcipher *tfm,
 #endif
 		if (key->local->ops->update_tkip_key &&
 			key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) {
-			u8 bcast[ETH_ALEN] =
+			static const u8 bcast[ETH_ALEN] =
 				{0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
-			u8 *sta_addr = key->sta->sta.addr;
+			const u8 *sta_addr = key->sta->sta.addr;
 
 			if (is_multicast_ether_addr(ra))
 				sta_addr = bcast;
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 375cecc837a..3466e1f7fd1 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1683,21 +1683,25 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
 			/* packet from other interface */
 			struct mesh_path *mppath;
 			int is_mesh_mcast = 1;
-			char *mesh_da;
+			const u8 *mesh_da;
 
 			rcu_read_lock();
 			if (is_multicast_ether_addr(skb->data))
 				/* DA TA mSA AE:SA */
 				mesh_da = skb->data;
 			else {
+				static const u8 bcast[ETH_ALEN] =
+					{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
+
 				mppath = mpp_path_lookup(skb->data, sdata);
 				if (mppath) {
 					/* RA TA mDA mSA AE:DA SA */
 					mesh_da = mppath->mpp;
 					is_mesh_mcast = 0;
-				} else
+				} else {
 					/* DA TA mSA AE:SA */
-					mesh_da = dev->broadcast;
+					mesh_da = bcast;
+				}
 			}
 			hdrlen = ieee80211_fill_mesh_addresses(&hdr, &fc,
 					mesh_da, dev->dev_addr);
-- 
GitLab


From 2edcb7ff8d7d84a3797bcecc7094da0fa9828a16 Mon Sep 17 00:00:00 2001
From: Xose Vazquez Perez <xose.vazquez@gmail.com>
Date: Tue, 17 Nov 2009 13:43:16 +0100
Subject: [PATCH 1371/1815] rt2x00: more ids to rt2800usb.c

taken from windows inf file (09/15/2009, 1.04.07.0000)

Signed-off-by: Xose Vazquez Perez <xose.vazquez@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800usb.c | 39 +++++++++++++++++++++++--
 1 file changed, 37 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index b1d63935f44..9ab15c48070 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -824,17 +824,23 @@ static struct usb_device_id rt2800usb_device_table[] = {
 	{ USB_DEVICE(0x0e0b, 0x9041), USB_DEVICE_DATA(&rt2800usb_ops) },
 	/* Amit */
 	{ USB_DEVICE(0x15c5, 0x0008), USB_DEVICE_DATA(&rt2800usb_ops) },
+	/* Askey */
+	{ USB_DEVICE(0x1690, 0x0740), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x1690, 0x0744), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x0930, 0x0a07), USB_DEVICE_DATA(&rt2800usb_ops) },
 	/* ASUS */
 	{ USB_DEVICE(0x0b05, 0x1731), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x0b05, 0x1732), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x0b05, 0x1742), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x0b05, 0x1760), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x0b05, 0x1761), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x0b05, 0x1784), USB_DEVICE_DATA(&rt2800usb_ops) },
 	/* AzureWave */
 	{ USB_DEVICE(0x13d3, 0x3247), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x13d3, 0x3262), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x13d3, 0x3273), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x13d3, 0x3284), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x13d3, 0x3305), USB_DEVICE_DATA(&rt2800usb_ops) },
 	/* Belkin */
 	{ USB_DEVICE(0x050d, 0x8053), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x050d, 0x805c), USB_DEVICE_DATA(&rt2800usb_ops) },
@@ -843,6 +849,8 @@ static struct usb_device_id rt2800usb_device_table[] = {
 	/* Buffalo */
 	{ USB_DEVICE(0x0411, 0x00e8), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x0411, 0x012e), USB_DEVICE_DATA(&rt2800usb_ops) },
+	/* Cisco */
+	{ USB_DEVICE(0x167b, 0x4001), USB_DEVICE_DATA(&rt2800usb_ops) },
 	/* Conceptronic */
 	{ USB_DEVICE(0x14b2, 0x3c06), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x14b2, 0x3c07), USB_DEVICE_DATA(&rt2800usb_ops) },
@@ -858,6 +866,8 @@ static struct usb_device_id rt2800usb_device_table[] = {
 	{ USB_DEVICE(0x07aa, 0x002f), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x07aa, 0x003c), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x07aa, 0x003f), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x07aa, 0x0041), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x07aa, 0x0042), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x18c5, 0x0008), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x18c5, 0x0012), USB_DEVICE_DATA(&rt2800usb_ops) },
 	/* D-Link */
@@ -869,18 +879,24 @@ static struct usb_device_id rt2800usb_device_table[] = {
 	{ USB_DEVICE(0x07d1, 0x3c0f), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x07d1, 0x3c11), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x07d1, 0x3c13), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x07d1, 0x3c15), USB_DEVICE_DATA(&rt2800usb_ops) },
 	/* Edimax */
 	{ USB_DEVICE(0x7392, 0x7711), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x7392, 0x7717), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x7392, 0x7718), USB_DEVICE_DATA(&rt2800usb_ops) },
 	/* Encore */
 	{ USB_DEVICE(0x203d, 0x1480), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x203d, 0x14a1), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x203d, 0x14a9), USB_DEVICE_DATA(&rt2800usb_ops) },
 	/* EnGenius */
 	{ USB_DEVICE(0X1740, 0x9701), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x1740, 0x9702), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x1740, 0x9703), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x1740, 0x9705), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x1740, 0x9706), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x1740, 0x9707), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x1740, 0x9708), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x1740, 0x9709), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x1740, 0x9801), USB_DEVICE_DATA(&rt2800usb_ops) },
 	/* Gemtek */
 	{ USB_DEVICE(0x15a9, 0x0010), USB_DEVICE_DATA(&rt2800usb_ops) },
@@ -894,7 +910,10 @@ static struct usb_device_id rt2800usb_device_table[] = {
 	{ USB_DEVICE(0x0e66, 0x0009), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x0e66, 0x000b), USB_DEVICE_DATA(&rt2800usb_ops) },
 	/* I-O DATA */
+	{ USB_DEVICE(0x04bb, 0x0944), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x04bb, 0x0945), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x04bb, 0x0947), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x04bb, 0x0948), USB_DEVICE_DATA(&rt2800usb_ops) },
 	/* LevelOne */
 	{ USB_DEVICE(0x1740, 0x0605), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x1740, 0x0615), USB_DEVICE_DATA(&rt2800usb_ops) },
@@ -909,8 +928,18 @@ static struct usb_device_id rt2800usb_device_table[] = {
 	/* Motorola */
 	{ USB_DEVICE(0x100d, 0x9031), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x100d, 0x9032), USB_DEVICE_DATA(&rt2800usb_ops) },
+	/* MSI */
+	{ USB_DEVICE(0x0db0, 0x3820), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x0db0, 0x3821), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x0db0, 0x3870), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x0db0, 0x6899), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x0db0, 0x821a), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x0db0, 0x870a), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x0db0, 0x899a), USB_DEVICE_DATA(&rt2800usb_ops) },
 	/* Ovislink */
 	{ USB_DEVICE(0x1b75, 0x3072), USB_DEVICE_DATA(&rt2800usb_ops) },
+	/* Para */
+	{ USB_DEVICE(0x20b8, 0x8888), USB_DEVICE_DATA(&rt2800usb_ops) },
 	/* Pegatron */
 	{ USB_DEVICE(0x1d4d, 0x0002), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x1d4d, 0x000c), USB_DEVICE_DATA(&rt2800usb_ops) },
@@ -926,8 +955,6 @@ static struct usb_device_id rt2800usb_device_table[] = {
 	/* Quanta */
 	{ USB_DEVICE(0x1a32, 0x0304), USB_DEVICE_DATA(&rt2800usb_ops) },
 	/* Ralink */
-	{ USB_DEVICE(0x0db0, 0x3820), USB_DEVICE_DATA(&rt2800usb_ops) },
-	{ USB_DEVICE(0x0db0, 0x6899), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x148f, 0x2070), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x148f, 0x2770), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x148f, 0x2870), USB_DEVICE_DATA(&rt2800usb_ops) },
@@ -951,7 +978,12 @@ static struct usb_device_id rt2800usb_device_table[] = {
 	{ USB_DEVICE(0x0df6, 0x003e), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x0df6, 0x003f), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x0df6, 0x0040), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x0df6, 0x0041), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x0df6, 0x0042), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x0df6, 0x0047), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x0df6, 0x0048), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x0df6, 0x004a), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x0df6, 0x004d), USB_DEVICE_DATA(&rt2800usb_ops) },
 	/* SMC */
 	{ USB_DEVICE(0x083a, 0x6618), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x083a, 0x7511), USB_DEVICE_DATA(&rt2800usb_ops) },
@@ -960,6 +992,8 @@ static struct usb_device_id rt2800usb_device_table[] = {
 	{ USB_DEVICE(0x083a, 0x8522), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x083a, 0xa512), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x083a, 0xa618), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x083a, 0xa701), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x083a, 0xa702), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x083a, 0xb522), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x083a, 0xc522), USB_DEVICE_DATA(&rt2800usb_ops) },
 	/* Sparklan */
@@ -977,6 +1011,7 @@ static struct usb_device_id rt2800usb_device_table[] = {
 	{ USB_DEVICE(0x5a57, 0x0280), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x5a57, 0x0282), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x5a57, 0x0283), USB_DEVICE_DATA(&rt2800usb_ops) },
+	{ USB_DEVICE(0x5a57, 0x0284), USB_DEVICE_DATA(&rt2800usb_ops) },
 	{ USB_DEVICE(0x5a57, 0x5257), USB_DEVICE_DATA(&rt2800usb_ops) },
 	/* Zyxel */
 	{ USB_DEVICE(0x0586, 0x3416), USB_DEVICE_DATA(&rt2800usb_ops) },
-- 
GitLab


From 15295380f45aa0d35665f6e5596ac98c081d95b9 Mon Sep 17 00:00:00 2001
From: Thomas Klute <thomas2.klute@uni-dortmund.de>
Date: Tue, 17 Nov 2009 11:58:18 +0100
Subject: [PATCH 1372/1815] ar9170: Add support for D-Link DWA 160 A2

At least two revisions of the D-Link DWA 160 exist, called A1 and A2. A1
(USB-ID 07d1:3c10) is already listed in usb.c as D-Link DWA 160A. A2
(USB-ID 07d1:3a09) works if added to ar9170_usb_ids. I didn't do much
testing until now, but I was able to connect to APs using WPA or WEP and
transmit data.

Summary:

* Add model revision number to the comment for D-Link DWA 160 A1 (07d1:3c10)
* Add support for D-Link DWA 160 A2 (07d1:3a09)

Signed-off-by: Thomas Klute <thomas2.klute@uni-dortmund.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ar9170/usb.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ar9170/usb.c b/drivers/net/wireless/ath/ar9170/usb.c
index 6bdcdf6d1cc..e0799d92405 100644
--- a/drivers/net/wireless/ath/ar9170/usb.c
+++ b/drivers/net/wireless/ath/ar9170/usb.c
@@ -68,8 +68,10 @@ static struct usb_device_id ar9170_usb_ids[] = {
 	{ USB_DEVICE(0x0cf3, 0x1002) },
 	/* Cace Airpcap NX */
 	{ USB_DEVICE(0xcace, 0x0300) },
-	/* D-Link DWA 160A */
+	/* D-Link DWA 160 A1 */
 	{ USB_DEVICE(0x07d1, 0x3c10) },
+	/* D-Link DWA 160 A2 */
+	{ USB_DEVICE(0x07d1, 0x3a09) },
 	/* Netgear WNDA3100 */
 	{ USB_DEVICE(0x0846, 0x9010) },
 	/* Netgear WN111 v2 */
-- 
GitLab


From 474c48c9f2118e637477b3b1c70003cb5cbda983 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Tue, 17 Nov 2009 18:48:14 +0200
Subject: [PATCH 1373/1815] wl1251: Add connection monitoring configuration

Add configuration for connection monitor (number of allowed beacons, and
timeout after last received beacon.)

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1251_acx.c  | 29 +++++++++++++++++++++++
 drivers/net/wireless/wl12xx/wl1251_acx.h  | 11 +++++++++
 drivers/net/wireless/wl12xx/wl1251_init.c |  5 ++++
 3 files changed, 45 insertions(+)

diff --git a/drivers/net/wireless/wl12xx/wl1251_acx.c b/drivers/net/wireless/wl12xx/wl1251_acx.c
index 10b26c4532c..4a9c70889a4 100644
--- a/drivers/net/wireless/wl12xx/wl1251_acx.c
+++ b/drivers/net/wireless/wl12xx/wl1251_acx.c
@@ -550,6 +550,35 @@ out:
 	return ret;
 }
 
+int wl1251_acx_conn_monit_params(struct wl1251 *wl)
+{
+	struct acx_conn_monit_params *acx;
+	int ret;
+
+	wl1251_debug(DEBUG_ACX, "acx connection monitor parameters");
+
+	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
+	if (!acx) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	acx->synch_fail_thold = SYNCH_FAIL_DEFAULT_THRESHOLD;
+	acx->bss_lose_timeout = NO_BEACON_DEFAULT_TIMEOUT;
+
+	ret = wl1251_cmd_configure(wl, ACX_CONN_MONIT_PARAMS,
+				   acx, sizeof(*acx));
+	if (ret < 0) {
+		wl1251_warning("failed to set connection monitor "
+			       "parameters: %d", ret);
+		goto out;
+	}
+
+out:
+	kfree(acx);
+	return ret;
+}
+
 int wl1251_acx_sg_enable(struct wl1251 *wl)
 {
 	struct acx_bt_wlan_coex *pta;
diff --git a/drivers/net/wireless/wl12xx/wl1251_acx.h b/drivers/net/wireless/wl12xx/wl1251_acx.h
index cafb9145950..926789ccc27 100644
--- a/drivers/net/wireless/wl12xx/wl1251_acx.h
+++ b/drivers/net/wireless/wl12xx/wl1251_acx.h
@@ -458,6 +458,16 @@ struct acx_beacon_filter_ie_table {
 	u8 pad[3];
 } __attribute__ ((packed));
 
+#define SYNCH_FAIL_DEFAULT_THRESHOLD    5     /* number of beacons */
+#define NO_BEACON_DEFAULT_TIMEOUT       (100) /* TU */
+
+struct acx_conn_monit_params {
+	struct acx_header header;
+
+	u32 synch_fail_thold; /* number of beacons missed */
+	u32 bss_lose_timeout; /* number of TU's from synch fail */
+};
+
 enum {
 	SG_ENABLE = 0,
 	SG_DISABLE,
@@ -1275,6 +1285,7 @@ int wl1251_acx_service_period_timeout(struct wl1251 *wl);
 int wl1251_acx_rts_threshold(struct wl1251 *wl, u16 rts_threshold);
 int wl1251_acx_beacon_filter_opt(struct wl1251 *wl);
 int wl1251_acx_beacon_filter_table(struct wl1251 *wl);
+int wl1251_acx_conn_monit_params(struct wl1251 *wl);
 int wl1251_acx_sg_enable(struct wl1251 *wl);
 int wl1251_acx_sg_cfg(struct wl1251 *wl);
 int wl1251_acx_cca_threshold(struct wl1251 *wl);
diff --git a/drivers/net/wireless/wl12xx/wl1251_init.c b/drivers/net/wireless/wl12xx/wl1251_init.c
index b2ee4f468fc..035ab1140b4 100644
--- a/drivers/net/wireless/wl12xx/wl1251_init.c
+++ b/drivers/net/wireless/wl12xx/wl1251_init.c
@@ -364,6 +364,11 @@ int wl1251_hw_init(struct wl1251 *wl)
 	if (ret < 0)
 		goto out_free_data_path;
 
+	/* Initialize connection monitoring thresholds */
+	ret = wl1251_acx_conn_monit_params(wl);
+	if (ret < 0)
+		goto out_free_data_path;
+
 	/* Beacon filtering */
 	ret = wl1251_hw_init_beacon_filter(wl);
 	if (ret < 0)
-- 
GitLab


From 287f6f9672635f4e948c0aa96754a2ce448ebdb2 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Tue, 17 Nov 2009 18:48:23 +0200
Subject: [PATCH 1374/1815] wl1251: Enable beacon filtering with the stack

Enable beacon filtering with the mac80211 stack.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1251.h       |  2 ++
 drivers/net/wireless/wl12xx/wl1251_event.c |  7 +++++++
 drivers/net/wireless/wl12xx/wl1251_main.c  | 12 ++++++++++++
 3 files changed, 21 insertions(+)

diff --git a/drivers/net/wireless/wl12xx/wl1251.h b/drivers/net/wireless/wl12xx/wl1251.h
index 998e4b6252b..fc2871c5a25 100644
--- a/drivers/net/wireless/wl12xx/wl1251.h
+++ b/drivers/net/wireless/wl12xx/wl1251.h
@@ -374,6 +374,8 @@ struct wl1251 {
 	u8 buffer_busyword[WL1251_BUSY_WORD_LEN];
 	struct wl1251_rx_descriptor *rx_descriptor;
 
+	struct ieee80211_vif *vif;
+
 	u32 chip_id;
 	char fw_ver[21];
 };
diff --git a/drivers/net/wireless/wl12xx/wl1251_event.c b/drivers/net/wireless/wl12xx/wl1251_event.c
index 00076c4a8a2..18c301ddcd7 100644
--- a/drivers/net/wireless/wl12xx/wl1251_event.c
+++ b/drivers/net/wireless/wl12xx/wl1251_event.c
@@ -79,6 +79,13 @@ static int wl1251_event_process(struct wl1251 *wl, struct event_mailbox *mbox)
 		}
 	}
 
+	if (vector & SYNCHRONIZATION_TIMEOUT_EVENT_ID && wl->psm) {
+		wl1251_debug(DEBUG_EVENT, "SYNCHRONIZATION_TIMEOUT_EVENT");
+
+		/* indicate to the stack, that beacons have been lost */
+		ieee80211_beacon_loss(wl->vif);
+	}
+
 	return 0;
 }
 
diff --git a/drivers/net/wireless/wl12xx/wl1251_main.c b/drivers/net/wireless/wl12xx/wl1251_main.c
index d03a07e1be7..601c4307029 100644
--- a/drivers/net/wireless/wl12xx/wl1251_main.c
+++ b/drivers/net/wireless/wl12xx/wl1251_main.c
@@ -509,6 +509,12 @@ static int wl1251_op_add_interface(struct ieee80211_hw *hw,
 		     conf->type, conf->mac_addr);
 
 	mutex_lock(&wl->mutex);
+	if (wl->vif) {
+		ret = -EBUSY;
+		goto out;
+	}
+
+	wl->vif = conf->vif;
 
 	switch (conf->type) {
 	case NL80211_IFTYPE_STATION:
@@ -538,7 +544,12 @@ out:
 static void wl1251_op_remove_interface(struct ieee80211_hw *hw,
 					 struct ieee80211_if_init_conf *conf)
 {
+	struct wl1251 *wl = hw->priv;
+
+	mutex_lock(&wl->mutex);
 	wl1251_debug(DEBUG_MAC80211, "mac80211 remove interface");
+	wl->vif = NULL;
+	mutex_unlock(&wl->mutex);
 }
 
 static int wl1251_build_null_data(struct wl1251 *wl)
@@ -1372,6 +1383,7 @@ struct ieee80211_hw *wl1251_alloc_hw(void)
 	wl->power_level = WL1251_DEFAULT_POWER_LEVEL;
 	wl->beacon_int = WL1251_DEFAULT_BEACON_INT;
 	wl->dtim_period = WL1251_DEFAULT_DTIM_PERIOD;
+	wl->vif = NULL;
 
 	for (i = 0; i < FW_TX_CMPLT_BLOCK_SIZE; i++)
 		wl->tx_frames[i] = NULL;
-- 
GitLab


From 6b21a2cd315e2e56a1748bd3ef9d910fe4f2e711 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Tue, 17 Nov 2009 18:48:30 +0200
Subject: [PATCH 1375/1815] wl1251: Configure beacon filtering on if PSM used

Enable beacon filtering when PSM is enabled

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1251_acx.c  | 11 +++++++----
 drivers/net/wireless/wl12xx/wl1251_acx.h  |  7 ++++++-
 drivers/net/wireless/wl12xx/wl1251_init.c |  3 ++-
 drivers/net/wireless/wl12xx/wl1251_main.c |  3 ++-
 drivers/net/wireless/wl12xx/wl1251_ps.c   | 10 ++++++++++
 5 files changed, 27 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1251_acx.c b/drivers/net/wireless/wl12xx/wl1251_acx.c
index 4a9c70889a4..50633e043cf 100644
--- a/drivers/net/wireless/wl12xx/wl1251_acx.c
+++ b/drivers/net/wireless/wl12xx/wl1251_acx.c
@@ -494,7 +494,7 @@ out:
 	return ret;
 }
 
-int wl1251_acx_beacon_filter_opt(struct wl1251 *wl)
+int wl1251_acx_beacon_filter_opt(struct wl1251 *wl, bool enable_filter)
 {
 	struct acx_beacon_filter_option *beacon_filter;
 	int ret;
@@ -507,7 +507,7 @@ int wl1251_acx_beacon_filter_opt(struct wl1251 *wl)
 		goto out;
 	}
 
-	beacon_filter->enable = 0;
+	beacon_filter->enable = enable_filter;
 	beacon_filter->max_num_beacons = 0;
 
 	ret = wl1251_cmd_configure(wl, ACX_BEACON_FILTER_OPT,
@@ -525,6 +525,7 @@ out:
 int wl1251_acx_beacon_filter_table(struct wl1251 *wl)
 {
 	struct acx_beacon_filter_ie_table *ie_table;
+	int idx = 0;
 	int ret;
 
 	wl1251_debug(DEBUG_ACX, "acx beacon filter table");
@@ -535,8 +536,10 @@ int wl1251_acx_beacon_filter_table(struct wl1251 *wl)
 		goto out;
 	}
 
-	ie_table->num_ie = 0;
-	memset(ie_table->table, 0, BEACON_FILTER_TABLE_MAX_SIZE);
+	/* configure default beacon pass-through rules */
+	ie_table->num_ie = 1;
+	ie_table->table[idx++] = BEACON_FILTER_IE_ID_CHANNEL_SWITCH_ANN;
+	ie_table->table[idx++] = BEACON_RULE_PASS_ON_APPEARANCE;
 
 	ret = wl1251_cmd_configure(wl, ACX_BEACON_FILTER_TABLE,
 				   ie_table, sizeof(*ie_table));
diff --git a/drivers/net/wireless/wl12xx/wl1251_acx.h b/drivers/net/wireless/wl12xx/wl1251_acx.h
index 926789ccc27..ce1c995e08d 100644
--- a/drivers/net/wireless/wl12xx/wl1251_acx.h
+++ b/drivers/net/wireless/wl12xx/wl1251_acx.h
@@ -450,6 +450,11 @@ struct acx_beacon_filter_option {
 			   (BEACON_FILTER_TABLE_MAX_VENDOR_SPECIFIC_IE_NUM * \
 			    BEACON_FILTER_TABLE_EXTRA_VENDOR_SPECIFIC_IE_SIZE))
 
+#define BEACON_RULE_PASS_ON_CHANGE                     BIT(0)
+#define BEACON_RULE_PASS_ON_APPEARANCE                 BIT(1)
+
+#define BEACON_FILTER_IE_ID_CHANNEL_SWITCH_ANN         (37)
+
 struct acx_beacon_filter_ie_table {
 	struct acx_header header;
 
@@ -1283,7 +1288,7 @@ int wl1251_acx_slot(struct wl1251 *wl, enum acx_slot_type slot_time);
 int wl1251_acx_group_address_tbl(struct wl1251 *wl);
 int wl1251_acx_service_period_timeout(struct wl1251 *wl);
 int wl1251_acx_rts_threshold(struct wl1251 *wl, u16 rts_threshold);
-int wl1251_acx_beacon_filter_opt(struct wl1251 *wl);
+int wl1251_acx_beacon_filter_opt(struct wl1251 *wl, bool enable_filter);
 int wl1251_acx_beacon_filter_table(struct wl1251 *wl);
 int wl1251_acx_conn_monit_params(struct wl1251 *wl);
 int wl1251_acx_sg_enable(struct wl1251 *wl);
diff --git a/drivers/net/wireless/wl12xx/wl1251_init.c b/drivers/net/wireless/wl12xx/wl1251_init.c
index 035ab1140b4..5cb573383ee 100644
--- a/drivers/net/wireless/wl12xx/wl1251_init.c
+++ b/drivers/net/wireless/wl12xx/wl1251_init.c
@@ -147,7 +147,8 @@ int wl1251_hw_init_beacon_filter(struct wl1251 *wl)
 {
 	int ret;
 
-	ret = wl1251_acx_beacon_filter_opt(wl);
+	/* disable beacon filtering at this stage */
+	ret = wl1251_acx_beacon_filter_opt(wl, false);
 	if (ret < 0)
 		return ret;
 
diff --git a/drivers/net/wireless/wl12xx/wl1251_main.c b/drivers/net/wireless/wl12xx/wl1251_main.c
index 601c4307029..900e6e2796f 100644
--- a/drivers/net/wireless/wl12xx/wl1251_main.c
+++ b/drivers/net/wireless/wl12xx/wl1251_main.c
@@ -1323,7 +1323,8 @@ int wl1251_init_ieee80211(struct wl1251 *wl)
 
 	wl->hw->flags = IEEE80211_HW_SIGNAL_DBM |
 		IEEE80211_HW_NOISE_DBM |
-		IEEE80211_HW_SUPPORTS_PS;
+		IEEE80211_HW_SUPPORTS_PS |
+		IEEE80211_HW_BEACON_FILTER;
 
 	wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
 	wl->hw->wiphy->max_scan_ssids = 1;
diff --git a/drivers/net/wireless/wl12xx/wl1251_ps.c b/drivers/net/wireless/wl12xx/wl1251_ps.c
index c53e28727ed..c3e348a1232 100644
--- a/drivers/net/wireless/wl12xx/wl1251_ps.c
+++ b/drivers/net/wireless/wl12xx/wl1251_ps.c
@@ -119,6 +119,11 @@ int wl1251_ps_set_mode(struct wl1251 *wl, enum wl1251_cmd_ps_mode mode)
 	case STATION_POWER_SAVE_MODE:
 		wl1251_debug(DEBUG_PSM, "entering psm");
 
+		/* enable beacon filtering */
+		ret = wl1251_acx_beacon_filter_opt(wl, true);
+		if (ret < 0)
+			return ret;
+
 		ret = wl1251_acx_wake_up_conditions(wl,
 						    WAKE_UP_EVENT_DTIM_BITMAP,
 						    wl->listen_int);
@@ -142,6 +147,11 @@ int wl1251_ps_set_mode(struct wl1251 *wl, enum wl1251_cmd_ps_mode mode)
 		if (ret < 0)
 			return ret;
 
+		/* disable beacon filtering */
+		ret = wl1251_acx_beacon_filter_opt(wl, false);
+		if (ret < 0)
+			return ret;
+
 		ret = wl1251_acx_wake_up_conditions(wl,
 						    WAKE_UP_EVENT_DTIM_BITMAP,
 						    wl->listen_int);
-- 
GitLab


From d5da79ac1f5050cccaa68d814ccce292371f25fa Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Tue, 17 Nov 2009 18:48:37 +0200
Subject: [PATCH 1376/1815] wl1251: Implement delayed entry into ELP mode

Implement (slightly) delayed entry into ELP. This will cure several
problems:
  - It works around a firmware race condition if ELP is entered too fast
    after commands (resulting in ELP timeout -traces)
  - It will reduce the number of sleep-wake cycles between already
    scheduled events such as interrupts and tx, hence improving
    performance (less delay in switching between RX and TX)

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Vidhya Govindan <vidhya.govindan@nokia.com>
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1251.h      |  2 ++
 drivers/net/wireless/wl12xx/wl1251_main.c |  1 +
 drivers/net/wireless/wl12xx/wl1251_ps.c   | 34 +++++++++++++++++++----
 drivers/net/wireless/wl12xx/wl1251_ps.h   |  1 +
 4 files changed, 33 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1251.h b/drivers/net/wireless/wl12xx/wl1251.h
index fc2871c5a25..a839466664f 100644
--- a/drivers/net/wireless/wl12xx/wl1251.h
+++ b/drivers/net/wireless/wl12xx/wl1251.h
@@ -354,6 +354,8 @@ struct wl1251 {
 	/* is firmware in elp mode */
 	bool elp;
 
+	struct delayed_work elp_work;
+
 	/* we can be in psm, but not in elp, we have to differentiate */
 	bool psm;
 
diff --git a/drivers/net/wireless/wl12xx/wl1251_main.c b/drivers/net/wireless/wl12xx/wl1251_main.c
index 900e6e2796f..b5e3bdb0844 100644
--- a/drivers/net/wireless/wl12xx/wl1251_main.c
+++ b/drivers/net/wireless/wl12xx/wl1251_main.c
@@ -1367,6 +1367,7 @@ struct ieee80211_hw *wl1251_alloc_hw(void)
 	skb_queue_head_init(&wl->tx_queue);
 
 	INIT_WORK(&wl->filter_work, wl1251_filter_work);
+	INIT_DELAYED_WORK(&wl->elp_work, wl1251_elp_work);
 	wl->channel = WL1251_DEFAULT_CHANNEL;
 	wl->scanning = false;
 	wl->default_key = 0;
diff --git a/drivers/net/wireless/wl12xx/wl1251_ps.c b/drivers/net/wireless/wl12xx/wl1251_ps.c
index c3e348a1232..9931b197ff7 100644
--- a/drivers/net/wireless/wl12xx/wl1251_ps.c
+++ b/drivers/net/wireless/wl12xx/wl1251_ps.c
@@ -28,17 +28,41 @@
 
 #define WL1251_WAKEUP_TIMEOUT 2000
 
-/* Routines to toggle sleep mode while in ELP */
-void wl1251_ps_elp_sleep(struct wl1251 *wl)
+void wl1251_elp_work(struct work_struct *work)
 {
+	struct delayed_work *dwork;
+	struct wl1251 *wl;
+
+	dwork = container_of(work, struct delayed_work, work);
+	wl = container_of(dwork, struct wl1251, elp_work);
+
+	wl1251_debug(DEBUG_PSM, "elp work");
+
+	mutex_lock(&wl->mutex);
+
 	if (wl->elp || !wl->psm)
-		return;
+		goto out;
 
 	wl1251_debug(DEBUG_PSM, "chip to elp");
-
 	wl1251_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, ELPCTRL_SLEEP);
-
 	wl->elp = true;
+
+out:
+	mutex_unlock(&wl->mutex);
+}
+
+#define ELP_ENTRY_DELAY  5
+
+/* Routines to toggle sleep mode while in ELP */
+void wl1251_ps_elp_sleep(struct wl1251 *wl)
+{
+	unsigned long delay;
+
+	if (wl->psm) {
+		cancel_delayed_work(&wl->elp_work);
+		delay = msecs_to_jiffies(ELP_ENTRY_DELAY);
+		ieee80211_queue_delayed_work(wl->hw, &wl->elp_work, delay);
+	}
 }
 
 int wl1251_ps_elp_wakeup(struct wl1251 *wl)
diff --git a/drivers/net/wireless/wl12xx/wl1251_ps.h b/drivers/net/wireless/wl12xx/wl1251_ps.h
index db036fe12f2..c688ac57aee 100644
--- a/drivers/net/wireless/wl12xx/wl1251_ps.h
+++ b/drivers/net/wireless/wl12xx/wl1251_ps.h
@@ -31,6 +31,7 @@
 int wl1251_ps_set_mode(struct wl1251 *wl, enum wl1251_cmd_ps_mode mode);
 void wl1251_ps_elp_sleep(struct wl1251 *wl);
 int wl1251_ps_elp_wakeup(struct wl1251 *wl);
+void wl1251_elp_work(struct work_struct *work);
 
 
 #endif /* __WL1251_PS_H__ */
-- 
GitLab


From c74ddfd5ea9c0c67d0aae77eeb5b610188cb8bc4 Mon Sep 17 00:00:00 2001
From: Kalle Valo <kalle.valo@nokia.com>
Date: Tue, 17 Nov 2009 18:48:45 +0200
Subject: [PATCH 1377/1815] wl1251: allocate space for firmware with vmalloc()

Earlier firmware was stored to a memory area allocated with kmalloc()
but finding a a contiguous area of memory long enough for the firmware is
very difficult in certain cases. better to allocate the memory for firmware
with vmalloc() instead and use a small buffer for DMA transfers.

Thanks to Eero Tamminen for the idea.

Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Reviewed-by: Vidhya Govindan <vidhya.govindan@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1251_boot.c | 27 ++++++++++++++++++-----
 drivers/net/wireless/wl12xx/wl1251_main.c |  5 +++--
 2 files changed, 25 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1251_boot.c b/drivers/net/wireless/wl12xx/wl1251_boot.c
index 452d748e42c..8febf27ab28 100644
--- a/drivers/net/wireless/wl12xx/wl1251_boot.c
+++ b/drivers/net/wireless/wl12xx/wl1251_boot.c
@@ -314,8 +314,8 @@ int wl1251_boot_run_firmware(struct wl1251 *wl)
 static int wl1251_boot_upload_firmware(struct wl1251 *wl)
 {
 	int addr, chunk_num, partition_limit;
-	size_t fw_data_len;
-	u8 *p;
+	size_t fw_data_len, len;
+	u8 *p, *buf;
 
 	/* whal_FwCtrl_LoadFwImageSm() */
 
@@ -334,6 +334,12 @@ static int wl1251_boot_upload_firmware(struct wl1251 *wl)
 		return -EIO;
 	}
 
+	buf = kmalloc(CHUNK_SIZE, GFP_KERNEL);
+	if (!buf) {
+		wl1251_error("allocation for firmware upload chunk failed");
+		return -ENOMEM;
+	}
+
 	wl1251_set_partition(wl, WL1251_PART_DOWN_MEM_START,
 			     WL1251_PART_DOWN_MEM_SIZE,
 			     WL1251_PART_DOWN_REG_START,
@@ -364,7 +370,11 @@ static int wl1251_boot_upload_firmware(struct wl1251 *wl)
 		p = wl->fw + FW_HDR_SIZE + chunk_num * CHUNK_SIZE;
 		wl1251_debug(DEBUG_BOOT, "uploading fw chunk 0x%p to 0x%x",
 			     p, addr);
-		wl1251_mem_write(wl, addr, p, CHUNK_SIZE);
+
+		/* need to copy the chunk for dma */
+		len = CHUNK_SIZE;
+		memcpy(buf, p, len);
+		wl1251_mem_write(wl, addr, buf, len);
 
 		chunk_num++;
 	}
@@ -372,9 +382,16 @@ static int wl1251_boot_upload_firmware(struct wl1251 *wl)
 	/* 10.4 upload the last chunk */
 	addr = WL1251_PART_DOWN_MEM_START + chunk_num * CHUNK_SIZE;
 	p = wl->fw + FW_HDR_SIZE + chunk_num * CHUNK_SIZE;
+
+	/* need to copy the chunk for dma */
+	len = fw_data_len % CHUNK_SIZE;
+	memcpy(buf, p, len);
+
 	wl1251_debug(DEBUG_BOOT, "uploading fw last chunk (%zu B) 0x%p to 0x%x",
-		     fw_data_len % CHUNK_SIZE, p, addr);
-	wl1251_mem_write(wl, addr, p, fw_data_len % CHUNK_SIZE);
+		     len, p, addr);
+	wl1251_mem_write(wl, addr, buf, len);
+
+	kfree(buf);
 
 	return 0;
 }
diff --git a/drivers/net/wireless/wl12xx/wl1251_main.c b/drivers/net/wireless/wl12xx/wl1251_main.c
index b5e3bdb0844..1f4c238a337 100644
--- a/drivers/net/wireless/wl12xx/wl1251_main.c
+++ b/drivers/net/wireless/wl12xx/wl1251_main.c
@@ -28,6 +28,7 @@
 #include <linux/irq.h>
 #include <linux/crc32.h>
 #include <linux/etherdevice.h>
+#include <linux/vmalloc.h>
 
 #include "wl1251.h"
 #include "wl12xx_80211.h"
@@ -83,7 +84,7 @@ static int wl1251_fetch_firmware(struct wl1251 *wl)
 	}
 
 	wl->fw_len = fw->size;
-	wl->fw = kmalloc(wl->fw_len, GFP_KERNEL);
+	wl->fw = vmalloc(wl->fw_len);
 
 	if (!wl->fw) {
 		wl1251_error("could not allocate memory for the firmware");
@@ -1427,7 +1428,7 @@ int wl1251_free_hw(struct wl1251 *wl)
 
 	kfree(wl->target_mem_map);
 	kfree(wl->data_path);
-	kfree(wl->fw);
+	vfree(wl->fw);
 	wl->fw = NULL;
 	kfree(wl->nvs);
 	wl->nvs = NULL;
-- 
GitLab


From 2410378a4c8e978823354ab3e44cd07c3c18a237 Mon Sep 17 00:00:00 2001
From: Kalle Valo <kalle.valo@nokia.com>
Date: Tue, 17 Nov 2009 18:49:00 +0200
Subject: [PATCH 1378/1815] wl1251: mask aid bits 14 and 15 in ps-poll template

In ps-poll template aid bits 14 and 15 were not masked as required by the
standard. Mask them so that aid is sent in correct format.

Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Vidhya Govindan <vidhya.govindan@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1251_main.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/wl12xx/wl1251_main.c b/drivers/net/wireless/wl12xx/wl1251_main.c
index 1f4c238a337..41f5ad49f48 100644
--- a/drivers/net/wireless/wl12xx/wl1251_main.c
+++ b/drivers/net/wireless/wl12xx/wl1251_main.c
@@ -580,7 +580,10 @@ static int wl1251_build_ps_poll(struct wl1251 *wl, u16 aid)
 
 	memcpy(template.bssid, wl->bssid, ETH_ALEN);
 	memcpy(template.ta, wl->mac_addr, ETH_ALEN);
-	template.aid = aid;
+
+	/* aid in PS-Poll has its two MSBs each set to 1 */
+	template.aid = cpu_to_le16(1 << 15 | 1 << 14 | aid);
+
 	template.fc = cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 
 	return wl1251_cmd_template_set(wl, CMD_PS_POLL, &template,
-- 
GitLab


From d531cf303f765bf3477330e58fbeab75da668931 Mon Sep 17 00:00:00 2001
From: Vidhya Govindan <vidhya.govindan@nokia.com>
Date: Tue, 17 Nov 2009 18:49:08 +0200
Subject: [PATCH 1379/1815] wl1251: Add acx command to set tbtt and dtim period

The dtim period obtained from the mac80211 is not set to the firmware.
This patch implements the acx command to set correct tbtt and dtim value
to the firmware.

Signed-off-by: Vidhya Govindan <vidhya.govindan@nokia.com>
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Reviewed-by: Janne Ylalehto <janne.ylalehto@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1251_acx.c | 28 ++++++++++++++++++++++++
 drivers/net/wireless/wl12xx/wl1251_acx.h | 18 +++++++++++++++
 2 files changed, 46 insertions(+)

diff --git a/drivers/net/wireless/wl12xx/wl1251_acx.c b/drivers/net/wireless/wl12xx/wl1251_acx.c
index 50633e043cf..acfa086dbfc 100644
--- a/drivers/net/wireless/wl12xx/wl1251_acx.c
+++ b/drivers/net/wireless/wl12xx/wl1251_acx.c
@@ -948,3 +948,31 @@ out:
 	kfree(mem_conf);
 	return ret;
 }
+
+int wl1251_acx_wr_tbtt_and_dtim(struct wl1251 *wl, u16 tbtt, u8 dtim)
+{
+	struct wl1251_acx_wr_tbtt_and_dtim *acx;
+	int ret;
+
+	wl1251_debug(DEBUG_ACX, "acx tbtt and dtim");
+
+	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
+	if (!acx) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	acx->tbtt = tbtt;
+	acx->dtim = dtim;
+
+	ret = wl1251_cmd_configure(wl, ACX_WR_TBTT_AND_DTIM,
+				   acx, sizeof(*acx));
+	if (ret < 0) {
+		wl1251_warning("failed to set tbtt and dtim: %d", ret);
+		goto out;
+	}
+
+out:
+	kfree(acx);
+	return ret;
+}
diff --git a/drivers/net/wireless/wl12xx/wl1251_acx.h b/drivers/net/wireless/wl12xx/wl1251_acx.h
index ce1c995e08d..44a4b049459 100644
--- a/drivers/net/wireless/wl12xx/wl1251_acx.h
+++ b/drivers/net/wireless/wl12xx/wl1251_acx.h
@@ -1149,6 +1149,23 @@ struct wl1251_acx_mem_map {
 	u32 num_rx_mem_blocks;
 } __attribute__ ((packed));
 
+
+struct wl1251_acx_wr_tbtt_and_dtim {
+
+	struct acx_header header;
+
+	/* Time in TUs between two consecutive beacons */
+	u16 tbtt;
+
+	/*
+	 * DTIM period
+	 * For BSS: Number of TBTTs in a DTIM period (range: 1-10)
+	 * For IBSS: value shall be set to 1
+	*/
+	u8  dtim;
+	u8  padding;
+} __attribute__ ((packed));
+
 /*************************************************************************
 
     Host Interrupt Register (WiLink -> Host)
@@ -1304,5 +1321,6 @@ int wl1251_acx_statistics(struct wl1251 *wl, struct acx_statistics *stats);
 int wl1251_acx_tsf_info(struct wl1251 *wl, u64 *mactime);
 int wl1251_acx_rate_policies(struct wl1251 *wl);
 int wl1251_acx_mem_cfg(struct wl1251 *wl);
+int wl1251_acx_wr_tbtt_and_dtim(struct wl1251 *wl, u16 tbtt, u8 dtim);
 
 #endif /* __WL1251_ACX_H__ */
-- 
GitLab


From 72b57344a2a1f98c6838c2268fdc5ed5fae54cd8 Mon Sep 17 00:00:00 2001
From: Vidhya Govindan <vidhya.govindan@nokia.com>
Date: Tue, 17 Nov 2009 18:49:16 +0200
Subject: [PATCH 1380/1815] wl1251: Set the correct dtim period to the firmware

This patch sets the dtim period obtained from the mac80211 to firmware.

Signed-off-by: Vidhya Govindan <vidhya.govindan@nokia.com>
Reviewed-by: Janne Ylalehto <janne.ylalehto@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1251_main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1251_main.c b/drivers/net/wireless/wl12xx/wl1251_main.c
index 41f5ad49f48..cc32ba67909 100644
--- a/drivers/net/wireless/wl12xx/wl1251_main.c
+++ b/drivers/net/wireless/wl12xx/wl1251_main.c
@@ -1105,8 +1105,8 @@ static void wl1251_op_bss_info_changed(struct ieee80211_hw *hw,
 			wl->beacon_int = bss_conf->beacon_int;
 			wl->dtim_period = bss_conf->dtim_period;
 
-			/* FIXME: call join */
-
+			ret = wl1251_acx_wr_tbtt_and_dtim(wl, wl->beacon_int,
+							  wl->dtim_period);
 			wl->aid = bss_conf->aid;
 
 			ret = wl1251_build_ps_poll(wl, wl->aid);
-- 
GitLab


From 33d51facad8360cb9c55fd696431e2a477f16cc1 Mon Sep 17 00:00:00 2001
From: Vidhya Govindan <vidhya.govindan@nokia.com>
Date: Tue, 17 Nov 2009 18:49:23 +0200
Subject: [PATCH 1381/1815] wl1251: Increase the beacon loss timeout value and
 handle regain event

This patch increases the number of beacons to be missed before generating
SYNC TIMEOUT event. It increases the beacon timeout period to 500
microseconds, which gives enough time for the firmware to receive probe
response or beacon. Also handled the regain event from firmware once it
receives a probe response or beacon.

Signed-off-by: Vidhya Govindan <vidhya.govindan@nokia.com>
Reviewed-by: Janne Ylalehto <janne.ylalehto@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1251_acx.h   | 4 ++--
 drivers/net/wireless/wl12xx/wl1251_event.c | 8 ++++++++
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1251_acx.h b/drivers/net/wireless/wl12xx/wl1251_acx.h
index 44a4b049459..652371432cd 100644
--- a/drivers/net/wireless/wl12xx/wl1251_acx.h
+++ b/drivers/net/wireless/wl12xx/wl1251_acx.h
@@ -463,8 +463,8 @@ struct acx_beacon_filter_ie_table {
 	u8 pad[3];
 } __attribute__ ((packed));
 
-#define SYNCH_FAIL_DEFAULT_THRESHOLD    5     /* number of beacons */
-#define NO_BEACON_DEFAULT_TIMEOUT       (100) /* TU */
+#define SYNCH_FAIL_DEFAULT_THRESHOLD    10     /* number of beacons */
+#define NO_BEACON_DEFAULT_TIMEOUT       (500) /* in microseconds */
 
 struct acx_conn_monit_params {
 	struct acx_header header;
diff --git a/drivers/net/wireless/wl12xx/wl1251_event.c b/drivers/net/wireless/wl12xx/wl1251_event.c
index 18c301ddcd7..020d764f9c1 100644
--- a/drivers/net/wireless/wl12xx/wl1251_event.c
+++ b/drivers/net/wireless/wl12xx/wl1251_event.c
@@ -86,6 +86,14 @@ static int wl1251_event_process(struct wl1251 *wl, struct event_mailbox *mbox)
 		ieee80211_beacon_loss(wl->vif);
 	}
 
+	if (vector & REGAINED_BSS_EVENT_ID) {
+		if (wl->psm_requested) {
+			ret = wl1251_ps_set_mode(wl, STATION_POWER_SAVE_MODE);
+			if (ret < 0)
+				return ret;
+		}
+	}
+
 	return 0;
 }
 
-- 
GitLab


From dcea4dbe54f5bbea2ef0bb265072754ccd934a1e Mon Sep 17 00:00:00 2001
From: Janne Ylalehto <janne.ylalehto@nokia.com>
Date: Tue, 17 Nov 2009 18:49:31 +0200
Subject: [PATCH 1382/1815] wl1251: Add IRQ looping support

Add support for IRQ looping. Helps in the case that we have e.g. multiple
packets coming from the network when we wake up from the ELP.

Signed-off-by: Janne Ylalehto <janne.ylalehto@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1251_main.c | 127 ++++++++++++----------
 1 file changed, 67 insertions(+), 60 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1251_main.c b/drivers/net/wireless/wl12xx/wl1251_main.c
index cc32ba67909..dad010d114f 100644
--- a/drivers/net/wireless/wl12xx/wl1251_main.c
+++ b/drivers/net/wireless/wl12xx/wl1251_main.c
@@ -212,9 +212,10 @@ out:
 	return ret;
 }
 
+#define WL1251_IRQ_LOOP_COUNT 10
 static void wl1251_irq_work(struct work_struct *work)
 {
-	u32 intr;
+	u32 intr, ctr = WL1251_IRQ_LOOP_COUNT;
 	struct wl1251 *wl =
 		container_of(work, struct wl1251, irq_work);
 	int ret;
@@ -235,78 +236,84 @@ static void wl1251_irq_work(struct work_struct *work)
 	intr = wl1251_reg_read32(wl, ACX_REG_INTERRUPT_CLEAR);
 	wl1251_debug(DEBUG_IRQ, "intr: 0x%x", intr);
 
-	if (wl->data_path) {
-		wl->rx_counter =
-			wl1251_mem_read32(wl, wl->data_path->rx_control_addr);
-
-		/* We handle a frmware bug here */
-		switch ((wl->rx_counter - wl->rx_handled) & 0xf) {
-		case 0:
-			wl1251_debug(DEBUG_IRQ, "RX: FW and host in sync");
-			intr &= ~WL1251_ACX_INTR_RX0_DATA;
-			intr &= ~WL1251_ACX_INTR_RX1_DATA;
-			break;
-		case 1:
-			wl1251_debug(DEBUG_IRQ, "RX: FW +1");
-			intr |= WL1251_ACX_INTR_RX0_DATA;
-			intr &= ~WL1251_ACX_INTR_RX1_DATA;
-			break;
-		case 2:
-			wl1251_debug(DEBUG_IRQ, "RX: FW +2");
-			intr |= WL1251_ACX_INTR_RX0_DATA;
-			intr |= WL1251_ACX_INTR_RX1_DATA;
-			break;
-		default:
-			wl1251_warning("RX: FW and host out of sync: %d",
-				       wl->rx_counter - wl->rx_handled);
-			break;
-		}
-
-		wl->rx_handled = wl->rx_counter;
+	do {
+		if (wl->data_path) {
+			wl->rx_counter = wl1251_mem_read32(
+				wl, wl->data_path->rx_control_addr);
+
+			/* We handle a frmware bug here */
+			switch ((wl->rx_counter - wl->rx_handled) & 0xf) {
+			case 0:
+				wl1251_debug(DEBUG_IRQ,
+					     "RX: FW and host in sync");
+				intr &= ~WL1251_ACX_INTR_RX0_DATA;
+				intr &= ~WL1251_ACX_INTR_RX1_DATA;
+				break;
+			case 1:
+				wl1251_debug(DEBUG_IRQ, "RX: FW +1");
+				intr |= WL1251_ACX_INTR_RX0_DATA;
+				intr &= ~WL1251_ACX_INTR_RX1_DATA;
+				break;
+			case 2:
+				wl1251_debug(DEBUG_IRQ, "RX: FW +2");
+				intr |= WL1251_ACX_INTR_RX0_DATA;
+				intr |= WL1251_ACX_INTR_RX1_DATA;
+				break;
+			default:
+				wl1251_warning(
+					"RX: FW and host out of sync: %d",
+					wl->rx_counter - wl->rx_handled);
+				break;
+			}
 
+			wl->rx_handled = wl->rx_counter;
 
-		wl1251_debug(DEBUG_IRQ, "RX counter: %d", wl->rx_counter);
-	}
+			wl1251_debug(DEBUG_IRQ, "RX counter: %d",
+				     wl->rx_counter);
+		}
 
-	intr &= wl->intr_mask;
+		intr &= wl->intr_mask;
 
-	if (intr == 0) {
-		wl1251_debug(DEBUG_IRQ, "INTR is 0");
-		wl1251_reg_write32(wl, ACX_REG_INTERRUPT_MASK,
-				   ~(wl->intr_mask));
+		if (intr == 0) {
+			wl1251_debug(DEBUG_IRQ, "INTR is 0");
+			goto out_sleep;
+		}
 
-		goto out_sleep;
-	}
+		if (intr & WL1251_ACX_INTR_RX0_DATA) {
+			wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_RX0_DATA");
+			wl1251_rx(wl);
+		}
 
-	if (intr & WL1251_ACX_INTR_RX0_DATA) {
-		wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_RX0_DATA");
-		wl1251_rx(wl);
-	}
+		if (intr & WL1251_ACX_INTR_RX1_DATA) {
+			wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_RX1_DATA");
+			wl1251_rx(wl);
+		}
 
-	if (intr & WL1251_ACX_INTR_RX1_DATA) {
-		wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_RX1_DATA");
-		wl1251_rx(wl);
-	}
+		if (intr & WL1251_ACX_INTR_TX_RESULT) {
+			wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_TX_RESULT");
+			wl1251_tx_complete(wl);
+		}
 
-	if (intr & WL1251_ACX_INTR_TX_RESULT) {
-		wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_TX_RESULT");
-		wl1251_tx_complete(wl);
-	}
+		if (intr & (WL1251_ACX_INTR_EVENT_A |
+			    WL1251_ACX_INTR_EVENT_B)) {
+			wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_EVENT (0x%x)",
+				     intr);
+			if (intr & WL1251_ACX_INTR_EVENT_A)
+				wl1251_event_handle(wl, 0);
+			else
+				wl1251_event_handle(wl, 1);
+		}
 
-	if (intr & (WL1251_ACX_INTR_EVENT_A | WL1251_ACX_INTR_EVENT_B)) {
-		wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_EVENT (0x%x)", intr);
-		if (intr & WL1251_ACX_INTR_EVENT_A)
-			wl1251_event_handle(wl, 0);
-		else
-			wl1251_event_handle(wl, 1);
-	}
+		if (intr & WL1251_ACX_INTR_INIT_COMPLETE)
+			wl1251_debug(DEBUG_IRQ,
+				     "WL1251_ACX_INTR_INIT_COMPLETE");
 
-	if (intr & WL1251_ACX_INTR_INIT_COMPLETE)
-		wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_INIT_COMPLETE");
+		intr = wl1251_reg_read32(wl, ACX_REG_INTERRUPT_CLEAR);
 
-	wl1251_reg_write32(wl, ACX_REG_INTERRUPT_MASK, ~(wl->intr_mask));
+	} while (intr && --ctr);
 
 out_sleep:
+	wl1251_reg_write32(wl, ACX_REG_INTERRUPT_MASK, ~(wl->intr_mask));
 	wl1251_ps_elp_sleep(wl);
 
 out:
-- 
GitLab


From a1590f2404d1c8d16f8ceed4fccc32ab9831e484 Mon Sep 17 00:00:00 2001
From: Janne Ylalehto <janne.ylalehto@nokia.com>
Date: Tue, 17 Nov 2009 18:49:38 +0200
Subject: [PATCH 1383/1815] wl1251: Filter out unwanted events

Filter out unwanted events to reduce wakeups.

Signed-off-by: Janne Ylalehto <janne.ylalehto@nokia.com>
Reviewed-by: Vidhya Govindan <vidhya.govindan@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1251_boot.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1251_boot.c b/drivers/net/wireless/wl12xx/wl1251_boot.c
index 8febf27ab28..5094f24ad03 100644
--- a/drivers/net/wireless/wl12xx/wl1251_boot.c
+++ b/drivers/net/wireless/wl12xx/wl1251_boot.c
@@ -296,8 +296,12 @@ int wl1251_boot_run_firmware(struct wl1251 *wl)
 		WL1251_ACX_INTR_INIT_COMPLETE;
 	wl1251_boot_target_enable_interrupts(wl);
 
-	/* unmask all mbox events  */
-	wl->event_mask = 0xffffffff;
+	wl->event_mask = SCAN_COMPLETE_EVENT_ID | BSS_LOSE_EVENT_ID |
+		SYNCHRONIZATION_TIMEOUT_EVENT_ID |
+		ROAMING_TRIGGER_LOW_RSSI_EVENT_ID |
+		ROAMING_TRIGGER_REGAINED_RSSI_EVENT_ID |
+		REGAINED_BSS_EVENT_ID | BT_PTA_SENSE_EVENT_ID |
+		BT_PTA_PREDICTION_EVENT_ID;
 
 	ret = wl1251_event_unmask(wl);
 	if (ret < 0) {
-- 
GitLab


From 79553f82c993ed511450748f01e16e4dccdc8c02 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Tue, 17 Nov 2009 18:49:46 +0200
Subject: [PATCH 1384/1815] wl1251: Fix regression in IRQ loop handling

In some cases, the IRQ loop handler could acknowledge an interrupt to
the chipset, but not service it.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Janne Ylalehto <janne.ylalehto@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1251_main.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1251_main.c b/drivers/net/wireless/wl12xx/wl1251_main.c
index dad010d114f..2e1c10f9670 100644
--- a/drivers/net/wireless/wl12xx/wl1251_main.c
+++ b/drivers/net/wireless/wl12xx/wl1251_main.c
@@ -308,9 +308,11 @@ static void wl1251_irq_work(struct work_struct *work)
 			wl1251_debug(DEBUG_IRQ,
 				     "WL1251_ACX_INTR_INIT_COMPLETE");
 
-		intr = wl1251_reg_read32(wl, ACX_REG_INTERRUPT_CLEAR);
+		if (--ctr == 0)
+			break;
 
-	} while (intr && --ctr);
+		intr = wl1251_reg_read32(wl, ACX_REG_INTERRUPT_CLEAR);
+	} while (intr);
 
 out_sleep:
 	wl1251_reg_write32(wl, ACX_REG_INTERRUPT_MASK, ~(wl->intr_mask));
-- 
GitLab


From 06cc5d3bb01350466f7a1bf64d9afe06870b6480 Mon Sep 17 00:00:00 2001
From: Vidhya Govindan <vidhya.govindan@nokia.com>
Date: Tue, 17 Nov 2009 18:49:54 +0200
Subject: [PATCH 1385/1815] wl1251: Send null data packet with "TODS" bit set

According to IEEE80211 standard all the data packets have to be sent with
TODS bit set. This patch fixes the null data packet format which was sent
without TODS bit set. This should fix many problems associated with
power save. Janne Ylalehto also found this fix in the same time as mine,
for a different bug he was working on.

Signed-off-by: Vidhya Govindan <vidhya.govindan@nokia.com>
Reviewed-by: Janne Ylalehto <janne.ylalehto@nokia.com>
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1251_main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/wl12xx/wl1251_main.c b/drivers/net/wireless/wl12xx/wl1251_main.c
index 2e1c10f9670..ff4be7bf5d3 100644
--- a/drivers/net/wireless/wl12xx/wl1251_main.c
+++ b/drivers/net/wireless/wl12xx/wl1251_main.c
@@ -576,7 +576,8 @@ static int wl1251_build_null_data(struct wl1251 *wl)
 
 	memcpy(template.header.sa, wl->mac_addr, ETH_ALEN);
 	template.header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_DATA |
-						IEEE80211_STYPE_NULLFUNC);
+						IEEE80211_STYPE_NULLFUNC |
+						IEEE80211_FCTL_TODS);
 
 	return wl1251_cmd_template_set(wl, CMD_NULL_DATA, &template,
 				       sizeof(template));
-- 
GitLab


From 7010193ad8e64dfbc006b167c2ee712d4441292c Mon Sep 17 00:00:00 2001
From: Kalle Valo <kalle.valo@nokia.com>
Date: Tue, 17 Nov 2009 18:50:01 +0200
Subject: [PATCH 1386/1815] wl1251: remove depcreated qual usage

Fixes warnings:

drivers/net/wireless/wl12xx/wl1251_rx.c: In function 'wl1251_rx_status':
drivers/net/wireless/wl12xx/wl1251_rx.c:75:
  warning: 'qual' is deprecated (declared at include/net/mac80211.h:555)
drivers/net/wireless/wl12xx/wl1251_rx.c:77:
  warning: 'qual' is deprecated (declared at include/net/mac80211.h:555)
drivers/net/wireless/wl12xx/wl1251_rx.c:77:
  warning: 'qual' is deprecated (declared at include/net/mac80211.h:555)
drivers/net/wireless/wl12xx/wl1251_rx.c:77:
  warning: 'qual' is deprecated (declared at include/net/mac80211.h:555)
drivers/net/wireless/wl12xx/wl1251_rx.c:78:
  warning: 'qual' is deprecated (declared at include/net/mac80211.h:555)
drivers/net/wireless/wl12xx/wl1251_rx.c:78:
  warning: 'qual' is deprecated (declared at include/net/mac80211.h:555)
drivers/net/wireless/wl12xx/wl1251_rx.c:78:
  warning: 'qual' is deprecated (declared at include/net/mac80211.h:555)

Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1251_rx.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1251_rx.c b/drivers/net/wireless/wl12xx/wl1251_rx.c
index 601fe0d6782..f84cc89cbff 100644
--- a/drivers/net/wireless/wl12xx/wl1251_rx.c
+++ b/drivers/net/wireless/wl12xx/wl1251_rx.c
@@ -72,10 +72,6 @@ static void wl1251_rx_status(struct wl1251 *wl,
 	}
 
 	status->signal = desc->rssi;
-	status->qual = (desc->rssi - WL1251_RX_MIN_RSSI) * 100 /
-		(WL1251_RX_MAX_RSSI - WL1251_RX_MIN_RSSI);
-	status->qual = min(status->qual, 100);
-	status->qual = max(status->qual, 0);
 
 	/*
 	 * FIXME: guessing that snr needs to be divided by two, otherwise
-- 
GitLab


From c95cf3d09adc9afe7816a13a920b6df36062a3fe Mon Sep 17 00:00:00 2001
From: David-John Willis <John.Willis@Distant-earth.com>
Date: Tue, 17 Nov 2009 18:50:09 +0200
Subject: [PATCH 1387/1815] wl1251: add NVS in EEPROM support

wl1251 supports also that NVS is stored in a separate EEPROM, add support
for that.

kvalo: use platform data instead Kconfig and use kernel style

Signed-off-by: David-John Willis <John.Willis@Distant-earth.com>
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1251.h      |  1 +
 drivers/net/wireless/wl12xx/wl1251_boot.c | 20 +++++++++++++-------
 drivers/net/wireless/wl12xx/wl1251_reg.h  |  6 ++++++
 drivers/net/wireless/wl12xx/wl1251_spi.c  |  2 ++
 include/linux/spi/wl12xx.h                |  1 +
 5 files changed, 23 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1251.h b/drivers/net/wireless/wl12xx/wl1251.h
index a839466664f..054533f7a12 100644
--- a/drivers/net/wireless/wl12xx/wl1251.h
+++ b/drivers/net/wireless/wl12xx/wl1251.h
@@ -269,6 +269,7 @@ struct wl1251 {
 
 	void (*set_power)(bool enable);
 	int irq;
+	bool use_eeprom;
 
 	enum wl1251_state state;
 	struct mutex mutex;
diff --git a/drivers/net/wireless/wl12xx/wl1251_boot.c b/drivers/net/wireless/wl12xx/wl1251_boot.c
index 5094f24ad03..2e733e7bdfd 100644
--- a/drivers/net/wireless/wl12xx/wl1251_boot.c
+++ b/drivers/net/wireless/wl12xx/wl1251_boot.c
@@ -494,13 +494,19 @@ int wl1251_boot(struct wl1251 *wl)
 		goto out;
 
 	/* 2. start processing NVS file */
-	ret = wl1251_boot_upload_nvs(wl);
-	if (ret < 0)
-		goto out;
-
-	/* write firmware's last address (ie. it's length) to
-	 * ACX_EEPROMLESS_IND_REG */
-	wl1251_reg_write32(wl, ACX_EEPROMLESS_IND_REG, wl->fw_len);
+	if (wl->use_eeprom) {
+		wl1251_reg_write32(wl, ACX_REG_EE_START, START_EEPROM_MGR);
+		msleep(4000);
+		wl1251_reg_write32(wl, ACX_EEPROMLESS_IND_REG, USE_EEPROM);
+	} else {
+		ret = wl1251_boot_upload_nvs(wl);
+		if (ret < 0)
+			goto out;
+
+		/* write firmware's last address (ie. it's length) to
+		 * ACX_EEPROMLESS_IND_REG */
+		wl1251_reg_write32(wl, ACX_EEPROMLESS_IND_REG, wl->fw_len);
+	}
 
 	/* 6. read the EEPROM parameters */
 	tmp = wl1251_reg_read32(wl, SCR_PAD2);
diff --git a/drivers/net/wireless/wl12xx/wl1251_reg.h b/drivers/net/wireless/wl12xx/wl1251_reg.h
index 06e1bd94a73..0ca3b432605 100644
--- a/drivers/net/wireless/wl12xx/wl1251_reg.h
+++ b/drivers/net/wireless/wl12xx/wl1251_reg.h
@@ -370,6 +370,7 @@ enum wl12xx_acx_int_reg {
  EEPROM location specified in the EE_ADDR register.
  The Wlan hardware hardware clears this bit automatically.
 *===============================================*/
+#define EE_CTL                              (REGISTERS_BASE + 0x2000)
 #define ACX_EE_CTL_REG                      EE_CTL
 #define EE_WRITE                            0x00000001ul
 #define EE_READ                             0x00000002ul
@@ -380,6 +381,7 @@ enum wl12xx_acx_int_reg {
   This register specifies the address
   within the EEPROM from/to which to read/write data.
   ===============================================*/
+#define EE_ADDR                             (REGISTERS_BASE + 0x2008)
 #define ACX_EE_ADDR_REG                     EE_ADDR
 
 /*===============================================
@@ -389,8 +391,12 @@ enum wl12xx_acx_int_reg {
   data from the EEPROM or the write data
   to be written to the EEPROM.
   ===============================================*/
+#define EE_DATA                             (REGISTERS_BASE + 0x2004)
 #define ACX_EE_DATA_REG                     EE_DATA
 
+#define EEPROM_ACCESS_TO                    10000   /* timeout counter */
+#define START_EEPROM_MGR                    0x00000001
+
 /*===============================================
   EEPROM Base Address  - 32bit RW
   ------------------------------------------
diff --git a/drivers/net/wireless/wl12xx/wl1251_spi.c b/drivers/net/wireless/wl12xx/wl1251_spi.c
index 2cf8a2169d4..9cc8c323830 100644
--- a/drivers/net/wireless/wl12xx/wl1251_spi.c
+++ b/drivers/net/wireless/wl12xx/wl1251_spi.c
@@ -270,6 +270,8 @@ static int __devinit wl1251_spi_probe(struct spi_device *spi)
 		return -ENODEV;
 	}
 
+	wl->use_eeprom = pdata->use_eeprom;
+
 	ret = request_irq(wl->irq, wl1251_irq, 0, DRIVER_NAME, wl);
 	if (ret < 0) {
 		wl1251_error("request_irq() failed: %d", ret);
diff --git a/include/linux/spi/wl12xx.h b/include/linux/spi/wl12xx.h
index 11430cab2aa..aed64ed3dc8 100644
--- a/include/linux/spi/wl12xx.h
+++ b/include/linux/spi/wl12xx.h
@@ -26,6 +26,7 @@
 
 struct wl12xx_platform_data {
 	void (*set_power)(bool enable);
+	bool use_eeprom;
 };
 
 #endif
-- 
GitLab


From af65cd96dd4ea8ea5adc6ee850e61a407cd1067a Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Tue, 17 Nov 2009 18:18:36 +0100
Subject: [PATCH 1388/1815] mac80211: make software rate control optional

Some devices implement the entire rate control in
firmware in some way, like wl1271 or like iwlwifi
which does some things in software but not a lot.
Therefore generic software rate control is rather
useless for them and just adds avoidable overhead
to the transmit path.

It's fairly simple to let drivers indicate that
they do not need rate control, but they need to
fulfil a number of conditions that we encode in
WARN_ONs.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 include/net/mac80211.h  | 14 ++++++++++++++
 net/mac80211/debugfs.c  |  2 +-
 net/mac80211/rate.c     | 12 +++++++++++-
 net/mac80211/rate.h     |  9 ++++++---
 net/mac80211/sta_info.c | 29 ++++++++++++++++++++++-------
 net/mac80211/tx.c       |  3 ++-
 6 files changed, 56 insertions(+), 13 deletions(-)

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 4af0ffb98aa..f34f4ca7016 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -855,6 +855,19 @@ enum ieee80211_tkip_key_type {
  * any particular flags. There are some exceptions to this rule,
  * however, so you are advised to review these flags carefully.
  *
+ * @IEEE80211_HW_HAS_RATE_CONTROL:
+ *	The hardware or firmware includes rate control, and cannot be
+ *	controlled by the stack. As such, no rate control algorithm
+ *	should be instantiated, and the TX rate reported to userspace
+ *	will be taken from the TX status instead of the rate control
+ *	algorithm.
+ *	Note that this requires that the driver implement a number of
+ *	callbacks so it has the correct information, it needs to have
+ *	the @set_rts_threshold callback and must look at the BSS config
+ *	@use_cts_prot for G/N protection, @use_short_slot for slot
+ *	timing in 2.4 GHz and @use_short_preamble for preambles for
+ *	CCK frames.
+ *
  * @IEEE80211_HW_RX_INCLUDES_FCS:
  *	Indicates that received frames passed to the stack include
  *	the FCS at the end.
@@ -913,6 +926,7 @@ enum ieee80211_tkip_key_type {
  *	avoid waking up cpu.
  */
 enum ieee80211_hw_flags {
+	IEEE80211_HW_HAS_RATE_CONTROL			= 1<<0,
 	IEEE80211_HW_RX_INCLUDES_FCS			= 1<<1,
 	IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING	= 1<<2,
 	IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE		= 1<<3,
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index 82c807723b6..e4b54093d41 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -52,7 +52,7 @@ DEBUGFS_READONLY_FILE(total_ps_buffered, 20, "%d",
 DEBUGFS_READONLY_FILE(wep_iv, 20, "%#08x",
 		      local->wep_iv & 0xffffff);
 DEBUGFS_READONLY_FILE(rate_ctrl_alg, 100, "%s",
-		      local->rate_ctrl ? local->rate_ctrl->ops->name : "<unset>");
+	local->rate_ctrl ? local->rate_ctrl->ops->name : "hw/driver");
 
 static ssize_t tsf_read(struct file *file, char __user *user_buf,
 			     size_t count, loff_t *ppos)
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index ccda7454fb1..b9007f80cb9 100644
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -284,9 +284,16 @@ int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local,
 	struct rate_control_ref *ref, *old;
 
 	ASSERT_RTNL();
+
 	if (local->open_count)
 		return -EBUSY;
 
+	if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
+		if (WARN_ON(!local->ops->set_rts_threshold))
+			return -EINVAL;
+		return 0;
+	}
+
 	ref = rate_control_alloc(name, local);
 	if (!ref) {
 		printk(KERN_WARNING "%s: Failed to select rate control "
@@ -305,7 +312,6 @@ int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local,
 	       "algorithm '%s'\n", wiphy_name(local->hw.wiphy),
 	       ref->ops->name);
 
-
 	return 0;
 }
 
@@ -314,6 +320,10 @@ void rate_control_deinitialize(struct ieee80211_local *local)
 	struct rate_control_ref *ref;
 
 	ref = local->rate_ctrl;
+
+	if (!ref)
+		return;
+
 	local->rate_ctrl = NULL;
 	rate_control_put(ref);
 }
diff --git a/net/mac80211/rate.h b/net/mac80211/rate.h
index 2ab5ad9e71c..cb9bd1f65e2 100644
--- a/net/mac80211/rate.h
+++ b/net/mac80211/rate.h
@@ -59,6 +59,9 @@ static inline void rate_control_rate_init(struct sta_info *sta)
 	void *priv_sta = sta->rate_ctrl_priv;
 	struct ieee80211_supported_band *sband;
 
+	if (!ref)
+		return;
+
 	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
 
 	ref->ops->rate_init(ref->priv, sband, ista, priv_sta);
@@ -72,7 +75,7 @@ static inline void rate_control_rate_update(struct ieee80211_local *local,
 	struct ieee80211_sta *ista = &sta->sta;
 	void *priv_sta = sta->rate_ctrl_priv;
 
-	if (ref->ops->rate_update)
+	if (ref && ref->ops->rate_update)
 		ref->ops->rate_update(ref->priv, sband, ista,
 				      priv_sta, changed);
 }
@@ -97,7 +100,7 @@ static inline void rate_control_add_sta_debugfs(struct sta_info *sta)
 {
 #ifdef CONFIG_MAC80211_DEBUGFS
 	struct rate_control_ref *ref = sta->rate_ctrl;
-	if (sta->debugfs.dir && ref->ops->add_sta_debugfs)
+	if (ref && sta->debugfs.dir && ref->ops->add_sta_debugfs)
 		ref->ops->add_sta_debugfs(ref->priv, sta->rate_ctrl_priv,
 					  sta->debugfs.dir);
 #endif
@@ -107,7 +110,7 @@ static inline void rate_control_remove_sta_debugfs(struct sta_info *sta)
 {
 #ifdef CONFIG_MAC80211_DEBUGFS
 	struct rate_control_ref *ref = sta->rate_ctrl;
-	if (ref->ops->remove_sta_debugfs)
+	if (ref && ref->ops->remove_sta_debugfs)
 		ref->ops->remove_sta_debugfs(ref->priv, sta->rate_ctrl_priv);
 #endif
 }
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index aa017a56afc..71f370dd24b 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -148,8 +148,10 @@ struct sta_info *sta_info_get_by_idx(struct ieee80211_sub_if_data *sdata,
 static void __sta_info_free(struct ieee80211_local *local,
 			    struct sta_info *sta)
 {
-	rate_control_free_sta(sta);
-	rate_control_put(sta->rate_ctrl);
+	if (sta->rate_ctrl) {
+		rate_control_free_sta(sta);
+		rate_control_put(sta->rate_ctrl);
+	}
 
 #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
 	printk(KERN_DEBUG "%s: Destroyed STA %pM\n",
@@ -277,6 +279,23 @@ static void sta_unblock(struct work_struct *wk)
 		ieee80211_sta_ps_deliver_poll_response(sta);
 }
 
+static int sta_prepare_rate_control(struct ieee80211_local *local,
+				    struct sta_info *sta, gfp_t gfp)
+{
+	if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)
+		return 0;
+
+	sta->rate_ctrl = rate_control_get(local->rate_ctrl);
+	sta->rate_ctrl_priv = rate_control_alloc_sta(sta->rate_ctrl,
+						     &sta->sta, gfp);
+	if (!sta->rate_ctrl_priv) {
+		rate_control_put(sta->rate_ctrl);
+		return -ENOMEM;
+	}
+
+	return 0;
+}
+
 struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
 				u8 *addr, gfp_t gfp)
 {
@@ -296,11 +315,7 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
 	sta->local = local;
 	sta->sdata = sdata;
 
-	sta->rate_ctrl = rate_control_get(local->rate_ctrl);
-	sta->rate_ctrl_priv = rate_control_alloc_sta(sta->rate_ctrl,
-						     &sta->sta, gfp);
-	if (!sta->rate_ctrl_priv) {
-		rate_control_put(sta->rate_ctrl);
+	if (sta_prepare_rate_control(local, sta, gfp)) {
 		kfree(sta);
 		return NULL;
 	}
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 3466e1f7fd1..bd916437e2f 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1219,7 +1219,8 @@ static int invoke_tx_handlers(struct ieee80211_tx_data *tx)
 	CALL_TXH(ieee80211_tx_h_ps_buf);
 	CALL_TXH(ieee80211_tx_h_select_key);
 	CALL_TXH(ieee80211_tx_h_michael_mic_add);
-	CALL_TXH(ieee80211_tx_h_rate_ctrl);
+	if (!(tx->local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL))
+		CALL_TXH(ieee80211_tx_h_rate_ctrl);
 	CALL_TXH(ieee80211_tx_h_misc);
 	CALL_TXH(ieee80211_tx_h_sequence);
 	CALL_TXH(ieee80211_tx_h_fragment);
-- 
GitLab


From 24b6b15f7d07d26330f73057d618089976a08792 Mon Sep 17 00:00:00 2001
From: Jouni Malinen <j@w1.fi>
Date: Tue, 17 Nov 2009 21:35:38 +0200
Subject: [PATCH 1389/1815] cfg80211: Allow reassociation in associated state

cfg80211 rejects all association requests when in associated state. This
prevents clean roaming within an ESS since one would first need to
disassociate before being able to request reassociation.

Accept the reassociation request and let the old association to be
dropped when the new one is completed. This fixes nl80211-based
roaming with the current snapshot version of wpa_supplicant (that has
code for requesting reassociation explicitly withthe previous BSSID
attribute).

Signed-off-by: Jouni Malinen <j@w1.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/wireless/mlme.c | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 2610b746eff..622af5649b9 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -446,12 +446,23 @@ int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
 	struct cfg80211_assoc_request req;
 	struct cfg80211_internal_bss *bss;
 	int i, err, slot = -1;
+	bool was_connected = false;
 
 	ASSERT_WDEV_LOCK(wdev);
 
 	memset(&req, 0, sizeof(req));
 
-	if (wdev->current_bss)
+	if (wdev->current_bss && prev_bssid &&
+	    memcmp(wdev->current_bss->pub.bssid, prev_bssid, ETH_ALEN) == 0) {
+		/*
+		 * Trying to reassociate: Allow this to proceed and let the old
+		 * association to be dropped when the new one is completed.
+		 */
+		if (wdev->sme_state == CFG80211_SME_CONNECTED) {
+			was_connected = true;
+			wdev->sme_state = CFG80211_SME_CONNECTING;
+		}
+	} else if (wdev->current_bss)
 		return -EALREADY;
 
 	req.ie = ie;
@@ -461,8 +472,11 @@ int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
 	req.prev_bssid = prev_bssid;
 	req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len,
 				   WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
-	if (!req.bss)
+	if (!req.bss) {
+		if (was_connected)
+			wdev->sme_state = CFG80211_SME_CONNECTED;
 		return -ENOENT;
+	}
 
 	bss = bss_from_pub(req.bss);
 
@@ -480,6 +494,8 @@ int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
 
 	err = rdev->ops->assoc(&rdev->wiphy, dev, &req);
  out:
+	if (err && was_connected)
+		wdev->sme_state = CFG80211_SME_CONNECTED;
 	/* still a reference in wdev->auth_bsses[slot] */
 	cfg80211_put_bss(req.bss);
 	return err;
-- 
GitLab


From 0bc6b1871c111d8f2eb2ac022a705de4cf21f572 Mon Sep 17 00:00:00 2001
From: Sujith <Sujith.Manoharan@atheros.com>
Date: Wed, 18 Nov 2009 11:42:14 +0530
Subject: [PATCH 1390/1815] mac80211: Fix panic in aggregation handling

Not assigning the vif pointer causes an oops.
This patch fixes it.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/agg-tx.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 6ddd11466df..26d42e88808 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -489,6 +489,7 @@ void ieee80211_start_tx_ba_cb_irqsafe(struct ieee80211_vif *vif,
 	ra_tid = (struct ieee80211_ra_tid *) &skb->cb;
 	memcpy(&ra_tid->ra, ra, ETH_ALEN);
 	ra_tid->tid = tid;
+	ra_tid->vif = vif;
 
 	skb->pkt_type = IEEE80211_ADDBA_MSG;
 	skb_queue_tail(&local->skb_queue, skb);
@@ -625,6 +626,7 @@ void ieee80211_stop_tx_ba_cb_irqsafe(struct ieee80211_vif *vif,
 	ra_tid = (struct ieee80211_ra_tid *) &skb->cb;
 	memcpy(&ra_tid->ra, ra, ETH_ALEN);
 	ra_tid->tid = tid;
+	ra_tid->vif = vif;
 
 	skb->pkt_type = IEEE80211_DELBA_MSG;
 	skb_queue_tail(&local->skb_queue, skb);
-- 
GitLab


From 98d3a7ca9232a436c067888936a0133e64ea126a Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Wed, 18 Nov 2009 13:03:43 +0100
Subject: [PATCH 1391/1815] cfg80211: re-join IBSS when privacy changes

When going from/to a WEP protected IBSS, we need to
leave this one and join a new one to take care of
the changed capability.

Cc: Hong Zhang <henryzhang62@yahoo.com>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/wireless/core.h        |  2 ++
 net/wireless/ibss.c        |  4 ++--
 net/wireless/wext-compat.c | 49 +++++++++++++++++++++++++++++++-------
 3 files changed, 44 insertions(+), 11 deletions(-)

diff --git a/net/wireless/core.h b/net/wireless/core.h
index 5aeebb9085f..a9db9e6255b 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -273,6 +273,8 @@ int cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
 		       struct cfg80211_ibss_params *params,
 		       struct cfg80211_cached_keys *connkeys);
 void cfg80211_clear_ibss(struct net_device *dev, bool nowext);
+int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
+			  struct net_device *dev, bool nowext);
 int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
 			struct net_device *dev, bool nowext);
 void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid);
diff --git a/net/wireless/ibss.c b/net/wireless/ibss.c
index 39b6d92e282..34dfc93fa71 100644
--- a/net/wireless/ibss.c
+++ b/net/wireless/ibss.c
@@ -169,8 +169,8 @@ void cfg80211_clear_ibss(struct net_device *dev, bool nowext)
 	wdev_unlock(wdev);
 }
 
-static int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
-				 struct net_device *dev, bool nowext)
+int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
+			  struct net_device *dev, bool nowext)
 {
 	struct wireless_dev *wdev = dev->ieee80211_ptr;
 	int err;
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index 41abcbdc5fb..29091ac9f98 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -437,6 +437,7 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
 {
 	struct wireless_dev *wdev = dev->ieee80211_ptr;
 	int err, i;
+	bool rejoin = false;
 
 	if (!wdev->wext.keys) {
 		wdev->wext.keys = kzalloc(sizeof(*wdev->wext.keys),
@@ -466,8 +467,24 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
 
 	if (remove) {
 		err = 0;
-		if (wdev->current_bss)
+		if (wdev->current_bss) {
+			/*
+			 * If removing the current TX key, we will need to
+			 * join a new IBSS without the privacy bit clear.
+			 */
+			if (idx == wdev->wext.default_key &&
+			    wdev->iftype == NL80211_IFTYPE_ADHOC) {
+				__cfg80211_leave_ibss(rdev, wdev->netdev, true);
+				rejoin = true;
+			}
 			err = rdev->ops->del_key(&rdev->wiphy, dev, idx, addr);
+		}
+		/*
+		 * Applications using wireless extensions expect to be
+		 * able to delete keys that don't exist, so allow that.
+		 */
+		if (err == -ENOENT)
+			err = 0;
 		if (!err) {
 			if (!addr) {
 				wdev->wext.keys->params[idx].key_len = 0;
@@ -478,12 +495,9 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
 			else if (idx == wdev->wext.default_mgmt_key)
 				wdev->wext.default_mgmt_key = -1;
 		}
-		/*
-		 * Applications using wireless extensions expect to be
-		 * able to delete keys that don't exist, so allow that.
-		 */
-		if (err == -ENOENT)
-			return 0;
+
+		if (!err && rejoin)
+			err = cfg80211_ibss_wext_join(rdev, wdev);
 
 		return err;
 	}
@@ -511,11 +525,25 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
 	if ((params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
 	     params->cipher == WLAN_CIPHER_SUITE_WEP104) &&
 	    (tx_key || (!addr && wdev->wext.default_key == -1))) {
-		if (wdev->current_bss)
+		if (wdev->current_bss) {
+			/*
+			 * If we are getting a new TX key from not having
+			 * had one before we need to join a new IBSS with
+			 * the privacy bit set.
+			 */
+			if (wdev->iftype == NL80211_IFTYPE_ADHOC &&
+			    wdev->wext.default_key == -1) {
+				__cfg80211_leave_ibss(rdev, wdev->netdev, true);
+				rejoin = true;
+			}
 			err = rdev->ops->set_default_key(&rdev->wiphy,
 							 dev, idx);
-		if (!err)
+		}
+		if (!err) {
 			wdev->wext.default_key = idx;
+			if (rejoin)
+				err = cfg80211_ibss_wext_join(rdev, wdev);
+		}
 		return err;
 	}
 
@@ -539,10 +567,13 @@ static int cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
 {
 	int err;
 
+	/* devlist mutex needed for possible IBSS re-join */
+	mutex_lock(&rdev->devlist_mtx);
 	wdev_lock(dev->ieee80211_ptr);
 	err = __cfg80211_set_encryption(rdev, dev, addr, remove,
 					tx_key, idx, params);
 	wdev_unlock(dev->ieee80211_ptr);
+	mutex_unlock(&rdev->devlist_mtx);
 
 	return err;
 }
-- 
GitLab


From a2fb0ad30aa52bdfd6e0870702444bae6090520f Mon Sep 17 00:00:00 2001
From: "John W. Linville" <linville@tuxdriver.com>
Date: Wed, 18 Nov 2009 16:37:22 -0500
Subject: [PATCH 1392/1815] wl3501_cs: remove pedantic build warning
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

drivers/net/wireless/wl3501_cs.c: In function ‘wl3501_esbq_exec’:
drivers/net/wireless/wl3501_cs.c:387: warning: ‘tmp’ is used uninitialized in this function
drivers/net/wireless/wl3501_cs.c:384: note: ‘tmp’ was declared here

Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl3501_cs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/wl3501_cs.c b/drivers/net/wireless/wl3501_cs.c
index 4f1e0cfe609..891bdab4988 100644
--- a/drivers/net/wireless/wl3501_cs.c
+++ b/drivers/net/wireless/wl3501_cs.c
@@ -381,7 +381,7 @@ static void wl3501_free_tx_buffer(struct wl3501_card *this, u16 ptr)
 
 static int wl3501_esbq_req_test(struct wl3501_card *this)
 {
-	u8 tmp;
+	u8 tmp = 0;
 
 	wl3501_get_from_wla(this, this->esbq_req_head + 3, &tmp, sizeof(tmp));
 	return tmp & 0x80;
-- 
GitLab


From 0878c3504f92f1bf063d0890a9960d4b9e6c4618 Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Wed, 18 Nov 2009 16:48:00 +0100
Subject: [PATCH 1393/1815] rfkill: Add missing description for RFKILL_TYPE_GPS

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Janakiram Sistla <janakiram.sistla@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 include/linux/rfkill.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/rfkill.h b/include/linux/rfkill.h
index 3392c59d270..a75e9e566ce 100644
--- a/include/linux/rfkill.h
+++ b/include/linux/rfkill.h
@@ -35,6 +35,7 @@
  * @RFKILL_TYPE_UWB: switch is on a ultra wideband device.
  * @RFKILL_TYPE_WIMAX: switch is on a WiMAX device.
  * @RFKILL_TYPE_WWAN: switch is on a wireless WAN device.
+ * @RFKILL_TYPE_GPS: switch is on a GPS device.
  * @NUM_RFKILL_TYPES: number of defined rfkill types
  */
 enum rfkill_type {
-- 
GitLab


From 875405a7793e9c35fab33819e7e5df7a98b6064c Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Wed, 18 Nov 2009 16:48:01 +0100
Subject: [PATCH 1394/1815] rfkill: Add constant for RFKILL_TYPE_FM radio
 devices

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Janakiram Sistla <janakiram.sistla@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 include/linux/rfkill.h | 2 ++
 net/rfkill/core.c      | 4 +++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/include/linux/rfkill.h b/include/linux/rfkill.h
index a75e9e566ce..97059d08a62 100644
--- a/include/linux/rfkill.h
+++ b/include/linux/rfkill.h
@@ -36,6 +36,7 @@
  * @RFKILL_TYPE_WIMAX: switch is on a WiMAX device.
  * @RFKILL_TYPE_WWAN: switch is on a wireless WAN device.
  * @RFKILL_TYPE_GPS: switch is on a GPS device.
+ * @RFKILL_TYPE_FM: switch is on a FM radio device.
  * @NUM_RFKILL_TYPES: number of defined rfkill types
  */
 enum rfkill_type {
@@ -46,6 +47,7 @@ enum rfkill_type {
 	RFKILL_TYPE_WIMAX,
 	RFKILL_TYPE_WWAN,
 	RFKILL_TYPE_GPS,
+	RFKILL_TYPE_FM,
 	NUM_RFKILL_TYPES,
 };
 
diff --git a/net/rfkill/core.c b/net/rfkill/core.c
index ba2efb960c6..09f4e161799 100644
--- a/net/rfkill/core.c
+++ b/net/rfkill/core.c
@@ -592,11 +592,13 @@ static const char *rfkill_get_type_str(enum rfkill_type type)
 		return "wwan";
 	case RFKILL_TYPE_GPS:
 		return "gps";
+	case RFKILL_TYPE_FM:
+		return "fm";
 	default:
 		BUG();
 	}
 
-	BUILD_BUG_ON(NUM_RFKILL_TYPES != RFKILL_TYPE_GPS + 1);
+	BUILD_BUG_ON(NUM_RFKILL_TYPES != RFKILL_TYPE_FM + 1);
 }
 
 static ssize_t rfkill_type_show(struct device *dev,
-- 
GitLab


From 62ae67be31c2346b6d74653a148ddbd1b9a94424 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Wed, 18 Nov 2009 18:42:05 +0100
Subject: [PATCH 1395/1815] mac80211: remove encrypt parameter from
 ieee80211_tx_skb

Since the flags moved into skb->cb, there's no
longer a need to have the encrypt bool passed
into the function, anyone who requires it set
to 0 (false) can just set the flag directly.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/agg-rx.c      |  2 +-
 net/mac80211/agg-tx.c      |  5 +++--
 net/mac80211/ht.c          |  2 +-
 net/mac80211/ibss.c        |  3 ++-
 net/mac80211/ieee80211_i.h |  3 +--
 net/mac80211/mesh_hwmp.c   |  4 ++--
 net/mac80211/mesh_plink.c  |  2 +-
 net/mac80211/mlme.c        | 13 +++++++++----
 net/mac80211/rx.c          |  2 +-
 net/mac80211/spectmgmt.c   |  2 +-
 net/mac80211/tx.c          |  7 +------
 net/mac80211/util.c        |  6 ++++--
 12 files changed, 27 insertions(+), 24 deletions(-)

diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index f3a5c9e0578..7ed5fe66473 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -171,7 +171,7 @@ static void ieee80211_send_addba_resp(struct ieee80211_sub_if_data *sdata, u8 *d
 	mgmt->u.action.u.addba_resp.timeout = cpu_to_le16(timeout);
 	mgmt->u.action.u.addba_resp.status = cpu_to_le16(status);
 
-	ieee80211_tx_skb(sdata, skb, 1);
+	ieee80211_tx_skb(sdata, skb);
 }
 
 void ieee80211_process_addba_request(struct ieee80211_local *local,
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 26d42e88808..b50b2bc3b8c 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -91,7 +91,7 @@ static void ieee80211_send_addba_request(struct ieee80211_sub_if_data *sdata,
 	mgmt->u.action.u.addba_req.start_seq_num =
 					cpu_to_le16(start_seq_num << 4);
 
-	ieee80211_tx_skb(sdata, skb, 1);
+	ieee80211_tx_skb(sdata, skb);
 }
 
 void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u16 ssn)
@@ -120,7 +120,8 @@ void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u1
 	bar->control = cpu_to_le16(bar_control);
 	bar->start_seq_num = cpu_to_le16(ssn);
 
-	ieee80211_tx_skb(sdata, skb, 0);
+	IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
+	ieee80211_tx_skb(sdata, skb);
 }
 
 static int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index 345c8ee5017..15c9d4f94ce 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -134,7 +134,7 @@ void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata,
 	mgmt->u.action.u.delba.params = cpu_to_le16(params);
 	mgmt->u.action.u.delba.reason_code = cpu_to_le16(reason_code);
 
-	ieee80211_tx_skb(sdata, skb, 1);
+	ieee80211_tx_skb(sdata, skb);
 }
 
 void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index fbffce90edb..10d13856f86 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -659,7 +659,8 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata,
 	printk(KERN_DEBUG "%s: Sending ProbeResp to %pM\n",
 	       sdata->dev->name, resp->da);
 #endif /* CONFIG_MAC80211_IBSS_DEBUG */
-	ieee80211_tx_skb(sdata, skb, 0);
+	IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
+	ieee80211_tx_skb(sdata, skb);
 }
 
 static void ieee80211_rx_mgmt_probe_resp(struct ieee80211_sub_if_data *sdata,
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index a1bd4b2bc9e..598db7cbeb4 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1015,8 +1015,7 @@ void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int ke
 				     struct ieee80211_hdr *hdr, const u8 *tsc,
 				     gfp_t gfp);
 void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata);
-void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
-		      int encrypt);
+void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb);
 void ieee802_11_parse_elems(u8 *start, size_t len,
 			    struct ieee802_11_elems *elems);
 u32 ieee802_11_parse_elems_crc(u8 *start, size_t len,
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index d93019874e4..9aecf0207af 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -187,7 +187,7 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
 		memcpy(pos, &target_sn, 4);
 	}
 
-	ieee80211_tx_skb(sdata, skb, 1);
+	ieee80211_tx_skb(sdata, skb);
 	return 0;
 }
 
@@ -250,7 +250,7 @@ int mesh_path_error_tx(u8 ttl, u8 *target, __le32 target_sn,
 	pos += 4;
 	memcpy(pos, &target_rcode, 2);
 
-	ieee80211_tx_skb(sdata, skb, 1);
+	ieee80211_tx_skb(sdata, skb);
 	return 0;
 }
 
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index f21329afdae..0f7c6e6a424 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -222,7 +222,7 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
 		memcpy(pos, &reason, 2);
 	}
 
-	ieee80211_tx_skb(sdata, skb, 1);
+	ieee80211_tx_skb(sdata, skb);
 	return 0;
 }
 
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 2af306f67d7..f399547306c 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -426,7 +426,8 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
 		memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs));
 	}
 
-	ieee80211_tx_skb(sdata, skb, 0);
+	IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
+	ieee80211_tx_skb(sdata, skb);
 }
 
 
@@ -467,7 +468,9 @@ static void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
 			__cfg80211_send_disassoc(sdata->dev, (u8 *)mgmt, skb->len);
 		else
 			cfg80211_send_disassoc(sdata->dev, (u8 *)mgmt, skb->len);
-	ieee80211_tx_skb(sdata, skb, ifmgd->flags & IEEE80211_STA_MFP_ENABLED);
+	if (!(ifmgd->flags & IEEE80211_STA_MFP_ENABLED))
+		IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
+	ieee80211_tx_skb(sdata, skb);
 }
 
 void ieee80211_send_pspoll(struct ieee80211_local *local,
@@ -498,7 +501,8 @@ void ieee80211_send_pspoll(struct ieee80211_local *local,
 	memcpy(pspoll->bssid, ifmgd->bssid, ETH_ALEN);
 	memcpy(pspoll->ta, sdata->dev->dev_addr, ETH_ALEN);
 
-	ieee80211_tx_skb(sdata, skb, 0);
+	IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
+	ieee80211_tx_skb(sdata, skb);
 }
 
 void ieee80211_send_nullfunc(struct ieee80211_local *local,
@@ -531,7 +535,8 @@ void ieee80211_send_nullfunc(struct ieee80211_local *local,
 	memcpy(nullfunc->addr2, sdata->dev->dev_addr, ETH_ALEN);
 	memcpy(nullfunc->addr3, sdata->u.mgd.bssid, ETH_ALEN);
 
-	ieee80211_tx_skb(sdata, skb, 0);
+	IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
+	ieee80211_tx_skb(sdata, skb);
 }
 
 /* spectrum management related things */
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index e0cb3357f79..775365f856c 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1666,7 +1666,7 @@ static void ieee80211_process_sa_query_req(struct ieee80211_sub_if_data *sdata,
 	       mgmt->u.action.u.sa_query.trans_id,
 	       WLAN_SA_QUERY_TR_ID_LEN);
 
-	ieee80211_tx_skb(sdata, skb, 1);
+	ieee80211_tx_skb(sdata, skb);
 }
 
 static ieee80211_rx_result debug_noinline
diff --git a/net/mac80211/spectmgmt.c b/net/mac80211/spectmgmt.c
index 68953033403..aa743a895cf 100644
--- a/net/mac80211/spectmgmt.c
+++ b/net/mac80211/spectmgmt.c
@@ -65,7 +65,7 @@ static void ieee80211_send_refuse_measurement_request(struct ieee80211_sub_if_da
 			IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED;
 	msr_report->u.action.u.measurement.msr_elem.type = request_ie->type;
 
-	ieee80211_tx_skb(sdata, skb, 1);
+	ieee80211_tx_skb(sdata, skb);
 }
 
 void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index bd916437e2f..b3c1faeb592 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -2281,17 +2281,12 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw,
 }
 EXPORT_SYMBOL(ieee80211_get_buffered_bc);
 
-void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
-		      int encrypt)
+void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)
 {
-	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	skb_set_mac_header(skb, 0);
 	skb_set_network_header(skb, 0);
 	skb_set_transport_header(skb, 0);
 
-	if (!encrypt)
-		info->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
-
 	/*
 	 * The other path calling ieee80211_xmit is from the tasklet,
 	 * and while we can handle concurrent transmissions locking
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index da86e1592f8..5ae1bf38984 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -872,7 +872,8 @@ void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
 		WARN_ON(err);
 	}
 
-	ieee80211_tx_skb(sdata, skb, 0);
+	IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
+	ieee80211_tx_skb(sdata, skb);
 }
 
 int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
@@ -974,7 +975,8 @@ void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
 	skb_put(skb, ieee80211_build_preq_ies(local, pos, ie, ie_len,
 					      local->hw.conf.channel->band));
 
-	ieee80211_tx_skb(sdata, skb, 0);
+	IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
+	ieee80211_tx_skb(sdata, skb);
 }
 
 u32 ieee80211_sta_get_rates(struct ieee80211_local *local,
-- 
GitLab


From fe7a5d5c1ad659bf0ec7dc171e122aeefa16ac25 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Wed, 18 Nov 2009 18:42:47 +0100
Subject: [PATCH 1396/1815] mac80211: move TX status handling

It's enough code to have its own file, I think.
Especially since I'm going to add to it.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/Makefile      |   2 +-
 net/mac80211/ieee80211_i.h |  13 ++
 net/mac80211/main.c        | 336 ------------------------------------
 net/mac80211/status.c      | 337 +++++++++++++++++++++++++++++++++++++
 4 files changed, 351 insertions(+), 337 deletions(-)
 create mode 100644 net/mac80211/status.c

diff --git a/net/mac80211/Makefile b/net/mac80211/Makefile
index 9f3cf712932..298cfcc1bf8 100644
--- a/net/mac80211/Makefile
+++ b/net/mac80211/Makefile
@@ -2,7 +2,7 @@ obj-$(CONFIG_MAC80211) += mac80211.o
 
 # mac80211 objects
 mac80211-y := \
-	main.o \
+	main.o status.o \
 	sta_info.o \
 	wep.o \
 	wpa.o \
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 598db7cbeb4..74e79935de0 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -23,6 +23,7 @@
 #include <linux/types.h>
 #include <linux/spinlock.h>
 #include <linux/etherdevice.h>
+#include <net/ieee80211_radiotap.h>
 #include <net/cfg80211.h>
 #include <net/mac80211.h>
 #include "key.h"
@@ -948,6 +949,18 @@ netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb,
 netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
 				       struct net_device *dev);
 
+/*
+ * radiotap header for status frames
+ */
+struct ieee80211_tx_status_rtap_hdr {
+	struct ieee80211_radiotap_header hdr;
+	u8 rate;
+	u8 padding_for_rate;
+	__le16 tx_flags;
+	u8 data_retries;
+} __attribute__ ((packed));
+
+
 /* HT */
 void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband,
 				       struct ieee80211_ht_cap *ht_cap_ie,
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index f4be97c3b74..e843a912849 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -9,7 +9,6 @@
  */
 
 #include <net/mac80211.h>
-#include <net/ieee80211_radiotap.h>
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/netdevice.h>
@@ -30,26 +29,11 @@
 #include "rate.h"
 #include "mesh.h"
 #include "wep.h"
-#include "wme.h"
-#include "aes_ccm.h"
 #include "led.h"
 #include "cfg.h"
 #include "debugfs.h"
 #include "debugfs_netdev.h"
 
-/*
- * For seeing transmitted packets on monitor interfaces
- * we have a radiotap header too.
- */
-struct ieee80211_tx_status_rtap_hdr {
-	struct ieee80211_radiotap_header hdr;
-	u8 rate;
-	u8 padding_for_rate;
-	__le16 tx_flags;
-	u8 data_retries;
-} __attribute__ ((packed));
-
-
 void ieee80211_configure_filter(struct ieee80211_local *local)
 {
 	u64 mc;
@@ -253,28 +237,6 @@ u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata)
 	       BSS_CHANGED_ERP_SLOT;
 }
 
-void ieee80211_tx_status_irqsafe(struct ieee80211_hw *hw,
-				 struct sk_buff *skb)
-{
-	struct ieee80211_local *local = hw_to_local(hw);
-	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
-	int tmp;
-
-	skb->pkt_type = IEEE80211_TX_STATUS_MSG;
-	skb_queue_tail(info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS ?
-		       &local->skb_queue : &local->skb_queue_unreliable, skb);
-	tmp = skb_queue_len(&local->skb_queue) +
-		skb_queue_len(&local->skb_queue_unreliable);
-	while (tmp > IEEE80211_IRQSAFE_QUEUE_LIMIT &&
-	       (skb = skb_dequeue(&local->skb_queue_unreliable))) {
-		dev_kfree_skb_irq(skb);
-		tmp--;
-		I802_DEBUG_INC(local->tx_status_drop);
-	}
-	tasklet_schedule(&local->tasklet);
-}
-EXPORT_SYMBOL(ieee80211_tx_status_irqsafe);
-
 static void ieee80211_tasklet_handler(unsigned long data)
 {
 	struct ieee80211_local *local = (struct ieee80211_local *) data;
@@ -315,304 +277,6 @@ static void ieee80211_tasklet_handler(unsigned long data)
 	}
 }
 
-static void ieee80211_handle_filtered_frame(struct ieee80211_local *local,
-					    struct sta_info *sta,
-					    struct sk_buff *skb)
-{
-	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
-
-	/*
-	 * XXX: This is temporary!
-	 *
-	 *	The problem here is that when we get here, the driver will
-	 *	quite likely have pretty much overwritten info->control by
-	 *	using info->driver_data or info->rate_driver_data. Thus,
-	 *	when passing out the frame to the driver again, we would be
-	 *	passing completely bogus data since the driver would then
-	 *	expect a properly filled info->control. In mac80211 itself
-	 *	the same problem occurs, since we need info->control.vif
-	 *	internally.
-	 *
-	 *	To fix this, we should send the frame through TX processing
-	 *	again. However, it's not that simple, since the frame will
-	 *	have been software-encrypted (if applicable) already, and
-	 *	encrypting it again doesn't do much good. So to properly do
-	 *	that, we not only have to skip the actual 'raw' encryption
-	 *	(key selection etc. still has to be done!) but also the
-	 *	sequence number assignment since that impacts the crypto
-	 *	encapsulation, of course.
-	 *
-	 *	Hence, for now, fix the bug by just dropping the frame.
-	 */
-	goto drop;
-
-	sta->tx_filtered_count++;
-
-	/*
-	 * Clear the TX filter mask for this STA when sending the next
-	 * packet. If the STA went to power save mode, this will happen
-	 * when it wakes up for the next time.
-	 */
-	set_sta_flags(sta, WLAN_STA_CLEAR_PS_FILT);
-
-	/*
-	 * This code races in the following way:
-	 *
-	 *  (1) STA sends frame indicating it will go to sleep and does so
-	 *  (2) hardware/firmware adds STA to filter list, passes frame up
-	 *  (3) hardware/firmware processes TX fifo and suppresses a frame
-	 *  (4) we get TX status before having processed the frame and
-	 *	knowing that the STA has gone to sleep.
-	 *
-	 * This is actually quite unlikely even when both those events are
-	 * processed from interrupts coming in quickly after one another or
-	 * even at the same time because we queue both TX status events and
-	 * RX frames to be processed by a tasklet and process them in the
-	 * same order that they were received or TX status last. Hence, there
-	 * is no race as long as the frame RX is processed before the next TX
-	 * status, which drivers can ensure, see below.
-	 *
-	 * Note that this can only happen if the hardware or firmware can
-	 * actually add STAs to the filter list, if this is done by the
-	 * driver in response to set_tim() (which will only reduce the race
-	 * this whole filtering tries to solve, not completely solve it)
-	 * this situation cannot happen.
-	 *
-	 * To completely solve this race drivers need to make sure that they
-	 *  (a) don't mix the irq-safe/not irq-safe TX status/RX processing
-	 *	functions and
-	 *  (b) always process RX events before TX status events if ordering
-	 *      can be unknown, for example with different interrupt status
-	 *	bits.
-	 */
-	if (test_sta_flags(sta, WLAN_STA_PS_STA) &&
-	    skb_queue_len(&sta->tx_filtered) < STA_MAX_TX_BUFFER) {
-		skb_queue_tail(&sta->tx_filtered, skb);
-		return;
-	}
-
-	if (!test_sta_flags(sta, WLAN_STA_PS_STA) &&
-	    !(info->flags & IEEE80211_TX_INTFL_RETRIED)) {
-		/* Software retry the packet once */
-		info->flags |= IEEE80211_TX_INTFL_RETRIED;
-		ieee80211_add_pending_skb(local, skb);
-		return;
-	}
-
- drop:
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
-	if (net_ratelimit())
-		printk(KERN_DEBUG "%s: dropped TX filtered frame, "
-		       "queue_len=%d PS=%d @%lu\n",
-		       wiphy_name(local->hw.wiphy),
-		       skb_queue_len(&sta->tx_filtered),
-		       !!test_sta_flags(sta, WLAN_STA_PS_STA), jiffies);
-#endif
-	dev_kfree_skb(skb);
-}
-
-void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
-{
-	struct sk_buff *skb2;
-	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
-	struct ieee80211_local *local = hw_to_local(hw);
-	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
-	u16 frag, type;
-	__le16 fc;
-	struct ieee80211_supported_band *sband;
-	struct ieee80211_tx_status_rtap_hdr *rthdr;
-	struct ieee80211_sub_if_data *sdata;
-	struct net_device *prev_dev = NULL;
-	struct sta_info *sta;
-	int retry_count = -1, i;
-
-	for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
-		/* the HW cannot have attempted that rate */
-		if (i >= hw->max_rates) {
-			info->status.rates[i].idx = -1;
-			info->status.rates[i].count = 0;
-		}
-
-		retry_count += info->status.rates[i].count;
-	}
-	if (retry_count < 0)
-		retry_count = 0;
-
-	rcu_read_lock();
-
-	sband = local->hw.wiphy->bands[info->band];
-
-	sta = sta_info_get(local, hdr->addr1);
-
-	if (sta) {
-		if (!(info->flags & IEEE80211_TX_STAT_ACK) &&
-		    test_sta_flags(sta, WLAN_STA_PS_STA)) {
-			/*
-			 * The STA is in power save mode, so assume
-			 * that this TX packet failed because of that.
-			 */
-			ieee80211_handle_filtered_frame(local, sta, skb);
-			rcu_read_unlock();
-			return;
-		}
-
-		fc = hdr->frame_control;
-
-		if ((info->flags & IEEE80211_TX_STAT_AMPDU_NO_BACK) &&
-		    (ieee80211_is_data_qos(fc))) {
-			u16 tid, ssn;
-			u8 *qc;
-
-			qc = ieee80211_get_qos_ctl(hdr);
-			tid = qc[0] & 0xf;
-			ssn = ((le16_to_cpu(hdr->seq_ctrl) + 0x10)
-						& IEEE80211_SCTL_SEQ);
-			ieee80211_send_bar(sta->sdata, hdr->addr1,
-					   tid, ssn);
-		}
-
-		if (info->flags & IEEE80211_TX_STAT_TX_FILTERED) {
-			ieee80211_handle_filtered_frame(local, sta, skb);
-			rcu_read_unlock();
-			return;
-		} else {
-			if (!(info->flags & IEEE80211_TX_STAT_ACK))
-				sta->tx_retry_failed++;
-			sta->tx_retry_count += retry_count;
-		}
-
-		rate_control_tx_status(local, sband, sta, skb);
-		if (ieee80211_vif_is_mesh(&sta->sdata->vif))
-			ieee80211s_update_metric(local, sta, skb);
-	}
-
-	rcu_read_unlock();
-
-	ieee80211_led_tx(local, 0);
-
-	/* SNMP counters
-	 * Fragments are passed to low-level drivers as separate skbs, so these
-	 * are actually fragments, not frames. Update frame counters only for
-	 * the first fragment of the frame. */
-
-	frag = le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG;
-	type = le16_to_cpu(hdr->frame_control) & IEEE80211_FCTL_FTYPE;
-
-	if (info->flags & IEEE80211_TX_STAT_ACK) {
-		if (frag == 0) {
-			local->dot11TransmittedFrameCount++;
-			if (is_multicast_ether_addr(hdr->addr1))
-				local->dot11MulticastTransmittedFrameCount++;
-			if (retry_count > 0)
-				local->dot11RetryCount++;
-			if (retry_count > 1)
-				local->dot11MultipleRetryCount++;
-		}
-
-		/* This counter shall be incremented for an acknowledged MPDU
-		 * with an individual address in the address 1 field or an MPDU
-		 * with a multicast address in the address 1 field of type Data
-		 * or Management. */
-		if (!is_multicast_ether_addr(hdr->addr1) ||
-		    type == IEEE80211_FTYPE_DATA ||
-		    type == IEEE80211_FTYPE_MGMT)
-			local->dot11TransmittedFragmentCount++;
-	} else {
-		if (frag == 0)
-			local->dot11FailedCount++;
-	}
-
-	/* this was a transmitted frame, but now we want to reuse it */
-	skb_orphan(skb);
-
-	/*
-	 * This is a bit racy but we can avoid a lot of work
-	 * with this test...
-	 */
-	if (!local->monitors && !local->cooked_mntrs) {
-		dev_kfree_skb(skb);
-		return;
-	}
-
-	/* send frame to monitor interfaces now */
-
-	if (skb_headroom(skb) < sizeof(*rthdr)) {
-		printk(KERN_ERR "ieee80211_tx_status: headroom too small\n");
-		dev_kfree_skb(skb);
-		return;
-	}
-
-	rthdr = (struct ieee80211_tx_status_rtap_hdr *)
-				skb_push(skb, sizeof(*rthdr));
-
-	memset(rthdr, 0, sizeof(*rthdr));
-	rthdr->hdr.it_len = cpu_to_le16(sizeof(*rthdr));
-	rthdr->hdr.it_present =
-		cpu_to_le32((1 << IEEE80211_RADIOTAP_TX_FLAGS) |
-			    (1 << IEEE80211_RADIOTAP_DATA_RETRIES) |
-			    (1 << IEEE80211_RADIOTAP_RATE));
-
-	if (!(info->flags & IEEE80211_TX_STAT_ACK) &&
-	    !is_multicast_ether_addr(hdr->addr1))
-		rthdr->tx_flags |= cpu_to_le16(IEEE80211_RADIOTAP_F_TX_FAIL);
-
-	/*
-	 * XXX: Once radiotap gets the bitmap reset thing the vendor
-	 *	extensions proposal contains, we can actually report
-	 *	the whole set of tries we did.
-	 */
-	if ((info->status.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) ||
-	    (info->status.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT))
-		rthdr->tx_flags |= cpu_to_le16(IEEE80211_RADIOTAP_F_TX_CTS);
-	else if (info->status.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS)
-		rthdr->tx_flags |= cpu_to_le16(IEEE80211_RADIOTAP_F_TX_RTS);
-	if (info->status.rates[0].idx >= 0 &&
-	    !(info->status.rates[0].flags & IEEE80211_TX_RC_MCS))
-		rthdr->rate = sband->bitrates[
-				info->status.rates[0].idx].bitrate / 5;
-
-	/* for now report the total retry_count */
-	rthdr->data_retries = retry_count;
-
-	/* XXX: is this sufficient for BPF? */
-	skb_set_mac_header(skb, 0);
-	skb->ip_summed = CHECKSUM_UNNECESSARY;
-	skb->pkt_type = PACKET_OTHERHOST;
-	skb->protocol = htons(ETH_P_802_2);
-	memset(skb->cb, 0, sizeof(skb->cb));
-
-	rcu_read_lock();
-	list_for_each_entry_rcu(sdata, &local->interfaces, list) {
-		if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
-			if (!netif_running(sdata->dev))
-				continue;
-
-			if ((sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES) &&
-			    !(info->flags & IEEE80211_TX_CTL_INJECTED) &&
-			    (type == IEEE80211_FTYPE_DATA))
-				continue;
-
-			if (prev_dev) {
-				skb2 = skb_clone(skb, GFP_ATOMIC);
-				if (skb2) {
-					skb2->dev = prev_dev;
-					netif_rx(skb2);
-				}
-			}
-
-			prev_dev = sdata->dev;
-		}
-	}
-	if (prev_dev) {
-		skb->dev = prev_dev;
-		netif_rx(skb);
-		skb = NULL;
-	}
-	rcu_read_unlock();
-	dev_kfree_skb(skb);
-}
-EXPORT_SYMBOL(ieee80211_tx_status);
-
 static void ieee80211_restart_work(struct work_struct *work)
 {
 	struct ieee80211_local *local =
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
new file mode 100644
index 00000000000..9f91fd8e6ef
--- /dev/null
+++ b/net/mac80211/status.c
@@ -0,0 +1,337 @@
+/*
+ * Copyright 2002-2005, Instant802 Networks, Inc.
+ * Copyright 2005-2006, Devicescape Software, Inc.
+ * Copyright 2006-2007	Jiri Benc <jbenc@suse.cz>
+ * Copyright 2008-2009	Johannes Berg <johannes@sipsolutions.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <net/mac80211.h>
+#include "ieee80211_i.h"
+#include "rate.h"
+#include "mesh.h"
+#include "led.h"
+
+
+void ieee80211_tx_status_irqsafe(struct ieee80211_hw *hw,
+				 struct sk_buff *skb)
+{
+	struct ieee80211_local *local = hw_to_local(hw);
+	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	int tmp;
+
+	skb->pkt_type = IEEE80211_TX_STATUS_MSG;
+	skb_queue_tail(info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS ?
+		       &local->skb_queue : &local->skb_queue_unreliable, skb);
+	tmp = skb_queue_len(&local->skb_queue) +
+		skb_queue_len(&local->skb_queue_unreliable);
+	while (tmp > IEEE80211_IRQSAFE_QUEUE_LIMIT &&
+	       (skb = skb_dequeue(&local->skb_queue_unreliable))) {
+		dev_kfree_skb_irq(skb);
+		tmp--;
+		I802_DEBUG_INC(local->tx_status_drop);
+	}
+	tasklet_schedule(&local->tasklet);
+}
+EXPORT_SYMBOL(ieee80211_tx_status_irqsafe);
+
+static void ieee80211_handle_filtered_frame(struct ieee80211_local *local,
+					    struct sta_info *sta,
+					    struct sk_buff *skb)
+{
+	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+
+	/*
+	 * XXX: This is temporary!
+	 *
+	 *	The problem here is that when we get here, the driver will
+	 *	quite likely have pretty much overwritten info->control by
+	 *	using info->driver_data or info->rate_driver_data. Thus,
+	 *	when passing out the frame to the driver again, we would be
+	 *	passing completely bogus data since the driver would then
+	 *	expect a properly filled info->control. In mac80211 itself
+	 *	the same problem occurs, since we need info->control.vif
+	 *	internally.
+	 *
+	 *	To fix this, we should send the frame through TX processing
+	 *	again. However, it's not that simple, since the frame will
+	 *	have been software-encrypted (if applicable) already, and
+	 *	encrypting it again doesn't do much good. So to properly do
+	 *	that, we not only have to skip the actual 'raw' encryption
+	 *	(key selection etc. still has to be done!) but also the
+	 *	sequence number assignment since that impacts the crypto
+	 *	encapsulation, of course.
+	 *
+	 *	Hence, for now, fix the bug by just dropping the frame.
+	 */
+	goto drop;
+
+	sta->tx_filtered_count++;
+
+	/*
+	 * Clear the TX filter mask for this STA when sending the next
+	 * packet. If the STA went to power save mode, this will happen
+	 * when it wakes up for the next time.
+	 */
+	set_sta_flags(sta, WLAN_STA_CLEAR_PS_FILT);
+
+	/*
+	 * This code races in the following way:
+	 *
+	 *  (1) STA sends frame indicating it will go to sleep and does so
+	 *  (2) hardware/firmware adds STA to filter list, passes frame up
+	 *  (3) hardware/firmware processes TX fifo and suppresses a frame
+	 *  (4) we get TX status before having processed the frame and
+	 *	knowing that the STA has gone to sleep.
+	 *
+	 * This is actually quite unlikely even when both those events are
+	 * processed from interrupts coming in quickly after one another or
+	 * even at the same time because we queue both TX status events and
+	 * RX frames to be processed by a tasklet and process them in the
+	 * same order that they were received or TX status last. Hence, there
+	 * is no race as long as the frame RX is processed before the next TX
+	 * status, which drivers can ensure, see below.
+	 *
+	 * Note that this can only happen if the hardware or firmware can
+	 * actually add STAs to the filter list, if this is done by the
+	 * driver in response to set_tim() (which will only reduce the race
+	 * this whole filtering tries to solve, not completely solve it)
+	 * this situation cannot happen.
+	 *
+	 * To completely solve this race drivers need to make sure that they
+	 *  (a) don't mix the irq-safe/not irq-safe TX status/RX processing
+	 *	functions and
+	 *  (b) always process RX events before TX status events if ordering
+	 *      can be unknown, for example with different interrupt status
+	 *	bits.
+	 */
+	if (test_sta_flags(sta, WLAN_STA_PS_STA) &&
+	    skb_queue_len(&sta->tx_filtered) < STA_MAX_TX_BUFFER) {
+		skb_queue_tail(&sta->tx_filtered, skb);
+		return;
+	}
+
+	if (!test_sta_flags(sta, WLAN_STA_PS_STA) &&
+	    !(info->flags & IEEE80211_TX_INTFL_RETRIED)) {
+		/* Software retry the packet once */
+		info->flags |= IEEE80211_TX_INTFL_RETRIED;
+		ieee80211_add_pending_skb(local, skb);
+		return;
+	}
+
+ drop:
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+	if (net_ratelimit())
+		printk(KERN_DEBUG "%s: dropped TX filtered frame, "
+		       "queue_len=%d PS=%d @%lu\n",
+		       wiphy_name(local->hw.wiphy),
+		       skb_queue_len(&sta->tx_filtered),
+		       !!test_sta_flags(sta, WLAN_STA_PS_STA), jiffies);
+#endif
+	dev_kfree_skb(skb);
+}
+
+void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
+{
+	struct sk_buff *skb2;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+	struct ieee80211_local *local = hw_to_local(hw);
+	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	u16 frag, type;
+	__le16 fc;
+	struct ieee80211_supported_band *sband;
+	struct ieee80211_tx_status_rtap_hdr *rthdr;
+	struct ieee80211_sub_if_data *sdata;
+	struct net_device *prev_dev = NULL;
+	struct sta_info *sta;
+	int retry_count = -1, i;
+
+	for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
+		/* the HW cannot have attempted that rate */
+		if (i >= hw->max_rates) {
+			info->status.rates[i].idx = -1;
+			info->status.rates[i].count = 0;
+		}
+
+		retry_count += info->status.rates[i].count;
+	}
+	if (retry_count < 0)
+		retry_count = 0;
+
+	rcu_read_lock();
+
+	sband = local->hw.wiphy->bands[info->band];
+
+	sta = sta_info_get(local, hdr->addr1);
+
+	if (sta) {
+		if (!(info->flags & IEEE80211_TX_STAT_ACK) &&
+		    test_sta_flags(sta, WLAN_STA_PS_STA)) {
+			/*
+			 * The STA is in power save mode, so assume
+			 * that this TX packet failed because of that.
+			 */
+			ieee80211_handle_filtered_frame(local, sta, skb);
+			rcu_read_unlock();
+			return;
+		}
+
+		fc = hdr->frame_control;
+
+		if ((info->flags & IEEE80211_TX_STAT_AMPDU_NO_BACK) &&
+		    (ieee80211_is_data_qos(fc))) {
+			u16 tid, ssn;
+			u8 *qc;
+
+			qc = ieee80211_get_qos_ctl(hdr);
+			tid = qc[0] & 0xf;
+			ssn = ((le16_to_cpu(hdr->seq_ctrl) + 0x10)
+						& IEEE80211_SCTL_SEQ);
+			ieee80211_send_bar(sta->sdata, hdr->addr1,
+					   tid, ssn);
+		}
+
+		if (info->flags & IEEE80211_TX_STAT_TX_FILTERED) {
+			ieee80211_handle_filtered_frame(local, sta, skb);
+			rcu_read_unlock();
+			return;
+		} else {
+			if (!(info->flags & IEEE80211_TX_STAT_ACK))
+				sta->tx_retry_failed++;
+			sta->tx_retry_count += retry_count;
+		}
+
+		rate_control_tx_status(local, sband, sta, skb);
+		if (ieee80211_vif_is_mesh(&sta->sdata->vif))
+			ieee80211s_update_metric(local, sta, skb);
+	}
+
+	rcu_read_unlock();
+
+	ieee80211_led_tx(local, 0);
+
+	/* SNMP counters
+	 * Fragments are passed to low-level drivers as separate skbs, so these
+	 * are actually fragments, not frames. Update frame counters only for
+	 * the first fragment of the frame. */
+
+	frag = le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG;
+	type = le16_to_cpu(hdr->frame_control) & IEEE80211_FCTL_FTYPE;
+
+	if (info->flags & IEEE80211_TX_STAT_ACK) {
+		if (frag == 0) {
+			local->dot11TransmittedFrameCount++;
+			if (is_multicast_ether_addr(hdr->addr1))
+				local->dot11MulticastTransmittedFrameCount++;
+			if (retry_count > 0)
+				local->dot11RetryCount++;
+			if (retry_count > 1)
+				local->dot11MultipleRetryCount++;
+		}
+
+		/* This counter shall be incremented for an acknowledged MPDU
+		 * with an individual address in the address 1 field or an MPDU
+		 * with a multicast address in the address 1 field of type Data
+		 * or Management. */
+		if (!is_multicast_ether_addr(hdr->addr1) ||
+		    type == IEEE80211_FTYPE_DATA ||
+		    type == IEEE80211_FTYPE_MGMT)
+			local->dot11TransmittedFragmentCount++;
+	} else {
+		if (frag == 0)
+			local->dot11FailedCount++;
+	}
+
+	/* this was a transmitted frame, but now we want to reuse it */
+	skb_orphan(skb);
+
+	/*
+	 * This is a bit racy but we can avoid a lot of work
+	 * with this test...
+	 */
+	if (!local->monitors && !local->cooked_mntrs) {
+		dev_kfree_skb(skb);
+		return;
+	}
+
+	/* send frame to monitor interfaces now */
+
+	if (skb_headroom(skb) < sizeof(*rthdr)) {
+		printk(KERN_ERR "ieee80211_tx_status: headroom too small\n");
+		dev_kfree_skb(skb);
+		return;
+	}
+
+	rthdr = (struct ieee80211_tx_status_rtap_hdr *)
+				skb_push(skb, sizeof(*rthdr));
+
+	memset(rthdr, 0, sizeof(*rthdr));
+	rthdr->hdr.it_len = cpu_to_le16(sizeof(*rthdr));
+	rthdr->hdr.it_present =
+		cpu_to_le32((1 << IEEE80211_RADIOTAP_TX_FLAGS) |
+			    (1 << IEEE80211_RADIOTAP_DATA_RETRIES) |
+			    (1 << IEEE80211_RADIOTAP_RATE));
+
+	if (!(info->flags & IEEE80211_TX_STAT_ACK) &&
+	    !is_multicast_ether_addr(hdr->addr1))
+		rthdr->tx_flags |= cpu_to_le16(IEEE80211_RADIOTAP_F_TX_FAIL);
+
+	/*
+	 * XXX: Once radiotap gets the bitmap reset thing the vendor
+	 *	extensions proposal contains, we can actually report
+	 *	the whole set of tries we did.
+	 */
+	if ((info->status.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) ||
+	    (info->status.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT))
+		rthdr->tx_flags |= cpu_to_le16(IEEE80211_RADIOTAP_F_TX_CTS);
+	else if (info->status.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS)
+		rthdr->tx_flags |= cpu_to_le16(IEEE80211_RADIOTAP_F_TX_RTS);
+	if (info->status.rates[0].idx >= 0 &&
+	    !(info->status.rates[0].flags & IEEE80211_TX_RC_MCS))
+		rthdr->rate = sband->bitrates[
+				info->status.rates[0].idx].bitrate / 5;
+
+	/* for now report the total retry_count */
+	rthdr->data_retries = retry_count;
+
+	/* XXX: is this sufficient for BPF? */
+	skb_set_mac_header(skb, 0);
+	skb->ip_summed = CHECKSUM_UNNECESSARY;
+	skb->pkt_type = PACKET_OTHERHOST;
+	skb->protocol = htons(ETH_P_802_2);
+	memset(skb->cb, 0, sizeof(skb->cb));
+
+	rcu_read_lock();
+	list_for_each_entry_rcu(sdata, &local->interfaces, list) {
+		if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
+			if (!netif_running(sdata->dev))
+				continue;
+
+			if ((sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES) &&
+			    !(info->flags & IEEE80211_TX_CTL_INJECTED) &&
+			    (type == IEEE80211_FTYPE_DATA))
+				continue;
+
+			if (prev_dev) {
+				skb2 = skb_clone(skb, GFP_ATOMIC);
+				if (skb2) {
+					skb2->dev = prev_dev;
+					netif_rx(skb2);
+				}
+			}
+
+			prev_dev = sdata->dev;
+		}
+	}
+	if (prev_dev) {
+		skb->dev = prev_dev;
+		netif_rx(skb);
+		skb = NULL;
+	}
+	rcu_read_unlock();
+	dev_kfree_skb(skb);
+}
+EXPORT_SYMBOL(ieee80211_tx_status);
-- 
GitLab


From 136cfa28615ccce0f9374811480e0b81c4191ea5 Mon Sep 17 00:00:00 2001
From: Rui Paulo <rpaulo@gmail.com>
Date: Wed, 18 Nov 2009 18:40:00 +0000
Subject: [PATCH 1397/1815] mac80211: use a structure to hold the mesh config
 information element

Signed-off-by: Rui Paulo <rpaulo@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 include/linux/ieee80211.h  | 16 +++++++++++++++-
 net/mac80211/ieee80211_i.h |  3 +--
 net/mac80211/mesh.c        | 23 ++++++++---------------
 net/mac80211/util.c        |  4 ++--
 net/wireless/scan.c        |  9 +++++----
 5 files changed, 31 insertions(+), 24 deletions(-)

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 49b1abd2fe9..afa8e0ac27a 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -115,7 +115,6 @@
 #define IEEE80211_MAX_SSID_LEN		32
 
 #define IEEE80211_MAX_MESH_ID_LEN	32
-#define IEEE80211_MESH_CONFIG_LEN	7
 
 #define IEEE80211_QOS_CTL_LEN		2
 #define IEEE80211_QOS_CTL_TID_MASK	0x000F
@@ -554,6 +553,21 @@ struct ieee80211_tim_ie {
 	u8 virtual_map[1];
 } __attribute__ ((packed));
 
+/**
+ * struct ieee80211_meshconf_ie
+ *
+ * This structure refers to "Mesh Configuration information element"
+ */
+struct ieee80211_meshconf_ie {
+	u8 meshconf_psel;
+	u8 meshconf_pmetric;
+	u8 meshconf_congest;
+	u8 meshconf_synch;
+	u8 meshconf_auth;
+	u8 meshconf_form;
+	u8 meshconf_cap;
+} __attribute__ ((packed));
+
 /**
  * struct ieee80211_rann_ie
  *
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 74e79935de0..87d27f450a0 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -798,7 +798,7 @@ struct ieee802_11_elems {
 	u8 *wmm_param;
 	struct ieee80211_ht_cap *ht_cap_elem;
 	struct ieee80211_ht_info *ht_info_elem;
-	u8 *mesh_config;
+	struct ieee80211_meshconf_ie *mesh_config;
 	u8 *mesh_id;
 	u8 *peer_link;
 	u8 *preq;
@@ -826,7 +826,6 @@ struct ieee802_11_elems {
 	u8 ext_supp_rates_len;
 	u8 wmm_info_len;
 	u8 wmm_param_len;
-	u8 mesh_config_len;
 	u8 mesh_id_len;
 	u8 peer_link_len;
 	u8 preq_len;
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 3a0683ba357..51adb111521 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -16,12 +16,6 @@
 #define IEEE80211_MESH_HOUSEKEEPING_INTERVAL (60 * HZ)
 #define IEEE80211_MESH_RANN_INTERVAL	     (1 * HZ)
 
-#define MESHCONF_PP_OFFSET 	0		/* Path Selection Protocol */
-#define MESHCONF_PM_OFFSET	1		/* Path Selection Metric   */
-#define MESHCONF_CC_OFFSET	2		/* Congestion Control Mode */
-#define MESHCONF_SP_OFFSET	3		/* Synchronization Protocol */
-#define MESHCONF_AUTH_OFFSET	4		/* Authentication Protocol */
-#define MESHCONF_CAPAB_OFFSET 	6
 #define MESHCONF_CAPAB_ACCEPT_PLINKS 0x01
 #define MESHCONF_CAPAB_FORWARDING    0x08
 
@@ -87,12 +81,11 @@ bool mesh_matches_local(struct ieee802_11_elems *ie, struct ieee80211_sub_if_dat
 	 */
 	if (ifmsh->mesh_id_len == ie->mesh_id_len &&
 		memcmp(ifmsh->mesh_id, ie->mesh_id, ie->mesh_id_len) == 0 &&
-		(ifmsh->mesh_pp_id == *(ie->mesh_config + MESHCONF_PP_OFFSET))&&
-		(ifmsh->mesh_pm_id == *(ie->mesh_config + MESHCONF_PM_OFFSET))&&
-		(ifmsh->mesh_cc_id == *(ie->mesh_config + MESHCONF_CC_OFFSET))&&
-		(ifmsh->mesh_sp_id == *(ie->mesh_config + MESHCONF_SP_OFFSET))&&
-		(ifmsh->mesh_auth_id == *(ie->mesh_config +
-		    MESHCONF_AUTH_OFFSET)))
+		(ifmsh->mesh_pp_id == ie->mesh_config->meshconf_psel) &&
+		(ifmsh->mesh_pm_id == ie->mesh_config->meshconf_pmetric) &&
+		(ifmsh->mesh_cc_id == ie->mesh_config->meshconf_congest) &&
+		(ifmsh->mesh_sp_id == ie->mesh_config->meshconf_synch) &&
+		(ifmsh->mesh_auth_id == ie->mesh_config->meshconf_auth))
 		return true;
 
 	return false;
@@ -105,7 +98,7 @@ bool mesh_matches_local(struct ieee802_11_elems *ie, struct ieee80211_sub_if_dat
  */
 bool mesh_peer_accepts_plinks(struct ieee802_11_elems *ie)
 {
-	return (*(ie->mesh_config + MESHCONF_CAPAB_OFFSET) &
+	return (ie->mesh_config->meshconf_cap &
 	    MESHCONF_CAPAB_ACCEPT_PLINKS) != 0;
 }
 
@@ -262,9 +255,9 @@ void mesh_mgmt_ies_add(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata)
 	if (sdata->u.mesh.mesh_id_len)
 		memcpy(pos, sdata->u.mesh.mesh_id, sdata->u.mesh.mesh_id_len);
 
-	pos = skb_put(skb, 2 + IEEE80211_MESH_CONFIG_LEN);
+	pos = skb_put(skb, 2 + sizeof(struct ieee80211_meshconf_ie));
 	*pos++ = WLAN_EID_MESH_CONFIG;
-	*pos++ = IEEE80211_MESH_CONFIG_LEN;
+	*pos++ = sizeof(struct ieee80211_meshconf_ie);
 
 	/* Active path selection protocol ID */
 	*pos++ = sdata->u.mesh.mesh_pp_id;
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 5ae1bf38984..2fb0432ac83 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -666,8 +666,8 @@ u32 ieee802_11_parse_elems_crc(u8 *start, size_t len,
 			elems->mesh_id_len = elen;
 			break;
 		case WLAN_EID_MESH_CONFIG:
-			elems->mesh_config = pos;
-			elems->mesh_config_len = elen;
+			if (elen >= sizeof(struct ieee80211_meshconf_ie))
+				elems->mesh_config = (void *)pos;
 			break;
 		case WLAN_EID_PEER_LINK:
 			elems->peer_link = pos;
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index e2d344ff674..d03447d68cd 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -217,7 +217,7 @@ static bool is_mesh(struct cfg80211_bss *a,
 		     a->len_information_elements);
 	if (!ie)
 		return false;
-	if (ie[1] != IEEE80211_MESH_CONFIG_LEN)
+	if (ie[1] != sizeof(struct ieee80211_meshconf_ie))
 		return false;
 
 	/*
@@ -225,7 +225,8 @@ static bool is_mesh(struct cfg80211_bss *a,
 	 * comparing since that may differ between stations taking
 	 * part in the same mesh.
 	 */
-	return memcmp(ie + 2, meshcfg, IEEE80211_MESH_CONFIG_LEN - 2) == 0;
+	return memcmp(ie + 2, meshcfg,
+	    sizeof(struct ieee80211_meshconf_ie) - 2) == 0;
 }
 
 static int cmp_bss(struct cfg80211_bss *a,
@@ -399,7 +400,7 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev,
 				  res->pub.information_elements,
 				  res->pub.len_information_elements);
 		if (!meshid || !meshcfg ||
-		    meshcfg[1] != IEEE80211_MESH_CONFIG_LEN) {
+		    meshcfg[1] != sizeof(struct ieee80211_meshconf_ie)) {
 			/* bogus mesh */
 			kref_put(&res->ref, bss_release);
 			return NULL;
@@ -865,7 +866,7 @@ ieee80211_bss(struct wiphy *wiphy, struct iw_request_info *info,
 			break;
 		case WLAN_EID_MESH_CONFIG:
 			ismesh = true;
-			if (ie[1] != IEEE80211_MESH_CONFIG_LEN)
+			if (ie[1] != sizeof(struct ieee80211_meshconf_ie))
 				break;
 			buf = kmalloc(50, GFP_ATOMIC);
 			if (!buf)
-- 
GitLab


From 76aa5e704c80fb7ca8bd3d05593d9a28298c92cd Mon Sep 17 00:00:00 2001
From: Rui Paulo <rpaulo@gmail.com>
Date: Wed, 18 Nov 2009 18:22:59 +0000
Subject: [PATCH 1398/1815] mac80211: update cfg80211 scan result code for the
 updated mesh conf IE

Signed-off-by: Rui Paulo <rpaulo@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/wireless/scan.c | 31 ++++++++++++++++++-------------
 1 file changed, 18 insertions(+), 13 deletions(-)

diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index d03447d68cd..227d57b8dc4 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -874,35 +874,40 @@ ieee80211_bss(struct wiphy *wiphy, struct iw_request_info *info,
 			cfg = ie + 2;
 			memset(&iwe, 0, sizeof(iwe));
 			iwe.cmd = IWEVCUSTOM;
-			sprintf(buf, "Mesh network (version %d)", cfg[0]);
+			sprintf(buf, "Mesh Network Path Selection Protocol ID: "
+				"0x%02X", cfg[0]);
 			iwe.u.data.length = strlen(buf);
 			current_ev = iwe_stream_add_point(info, current_ev,
 							  end_buf,
 							  &iwe, buf);
-			sprintf(buf, "Path Selection Protocol ID: "
-				"0x%02X%02X%02X%02X", cfg[1], cfg[2], cfg[3],
-							cfg[4]);
+			sprintf(buf, "Path Selection Metric ID: 0x%02X",
+				cfg[1]);
 			iwe.u.data.length = strlen(buf);
 			current_ev = iwe_stream_add_point(info, current_ev,
 							  end_buf,
 							  &iwe, buf);
-			sprintf(buf, "Path Selection Metric ID: "
-				"0x%02X%02X%02X%02X", cfg[5], cfg[6], cfg[7],
-							cfg[8]);
+			sprintf(buf, "Congestion Control Mode ID: 0x%02X",
+				cfg[2]);
 			iwe.u.data.length = strlen(buf);
 			current_ev = iwe_stream_add_point(info, current_ev,
 							  end_buf,
 							  &iwe, buf);
-			sprintf(buf, "Congestion Control Mode ID: "
-				"0x%02X%02X%02X%02X", cfg[9], cfg[10],
-							cfg[11], cfg[12]);
+			sprintf(buf, "Synchronization ID: 0x%02X", cfg[3]);
 			iwe.u.data.length = strlen(buf);
 			current_ev = iwe_stream_add_point(info, current_ev,
 							  end_buf,
 							  &iwe, buf);
-			sprintf(buf, "Channel Precedence: "
-				"0x%02X%02X%02X%02X", cfg[13], cfg[14],
-							cfg[15], cfg[16]);
+			sprintf(buf, "Authentication ID: 0x%02X", cfg[4]);
+			iwe.u.data.length = strlen(buf);
+			current_ev = iwe_stream_add_point(info, current_ev,
+							  end_buf,
+							  &iwe, buf);
+			sprintf(buf, "Formation Info: 0x%02X", cfg[5]);
+			iwe.u.data.length = strlen(buf);
+			current_ev = iwe_stream_add_point(info, current_ev,
+							  end_buf,
+							  &iwe, buf);
+			sprintf(buf, "Capabilities: 0x%02X", cfg[6]);
 			iwe.u.data.length = strlen(buf);
 			current_ev = iwe_stream_add_point(info, current_ev,
 							  end_buf,
-- 
GitLab


From 9bd568a50c446433038dec2a5186c5c57c3dbd23 Mon Sep 17 00:00:00 2001
From: Michael Buesch <mb@bu3sch.de>
Date: Wed, 18 Nov 2009 20:53:05 +0100
Subject: [PATCH 1399/1815] b43: Enforce DMA descriptor memory constraints

Enforce all device constraints on the descriptor memory region.

There are several constraints on the descriptor memory, as documented
in the specification. The current code does not enforce them and/or
incorrectly enforces them.

Those constraints are:
- The address limitations on 30/32bit engines, that also apply to
  the skbs.
- The 4k alignment requirement on 30/32bit engines.
- The 8k alignment requirement on 64bit engines.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/b43/dma.c | 197 +++++++++++++++++++++++++--------
 drivers/net/wireless/b43/dma.h |   7 +-
 2 files changed, 158 insertions(+), 46 deletions(-)

diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
index b5cd7f57055..18b97c02b8a 100644
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c
@@ -383,44 +383,160 @@ static inline
 	}
 }
 
+/* Check if a DMA region fits the device constraints.
+ * Returns true, if the region is OK for usage with this device. */
+static inline bool b43_dma_address_ok(struct b43_dmaring *ring,
+				      dma_addr_t addr, size_t size)
+{
+	switch (ring->type) {
+	case B43_DMA_30BIT:
+		if ((u64)addr + size > (1ULL << 30))
+			return 0;
+		break;
+	case B43_DMA_32BIT:
+		if ((u64)addr + size > (1ULL << 32))
+			return 0;
+		break;
+	case B43_DMA_64BIT:
+		/* Currently we can't have addresses beyond
+		 * 64bit in the kernel. */
+		break;
+	}
+	return 1;
+}
+
+#define is_4k_aligned(addr)	(((u64)(addr) & 0x0FFFull) == 0)
+#define is_8k_aligned(addr)	(((u64)(addr) & 0x1FFFull) == 0)
+
+static void b43_unmap_and_free_ringmem(struct b43_dmaring *ring, void *base,
+				       dma_addr_t dmaaddr, size_t size)
+{
+	ssb_dma_unmap_single(ring->dev->dev, dmaaddr, size, DMA_TO_DEVICE);
+	free_pages((unsigned long)base, get_order(size));
+}
+
+static void * __b43_get_and_map_ringmem(struct b43_dmaring *ring,
+					dma_addr_t *dmaaddr, size_t size,
+					gfp_t gfp_flags)
+{
+	void *base;
+
+	base = (void *)__get_free_pages(gfp_flags, get_order(size));
+	if (!base)
+		return NULL;
+	memset(base, 0, size);
+	*dmaaddr = ssb_dma_map_single(ring->dev->dev, base, size,
+				      DMA_TO_DEVICE);
+	if (ssb_dma_mapping_error(ring->dev->dev, *dmaaddr)) {
+		free_pages((unsigned long)base, get_order(size));
+		return NULL;
+	}
+
+	return base;
+}
+
+static void * b43_get_and_map_ringmem(struct b43_dmaring *ring,
+				      dma_addr_t *dmaaddr, size_t size)
+{
+	void *base;
+
+	base = __b43_get_and_map_ringmem(ring, dmaaddr, size,
+					 GFP_KERNEL);
+	if (!base) {
+		b43err(ring->dev->wl, "Failed to allocate or map pages "
+		       "for DMA ringmemory\n");
+		return NULL;
+	}
+	if (!b43_dma_address_ok(ring, *dmaaddr, size)) {
+		/* The memory does not fit our device constraints.
+		 * Retry with GFP_DMA set to get lower memory. */
+		b43_unmap_and_free_ringmem(ring, base, *dmaaddr, size);
+		base = __b43_get_and_map_ringmem(ring, dmaaddr, size,
+						 GFP_KERNEL | GFP_DMA);
+		if (!base) {
+			b43err(ring->dev->wl, "Failed to allocate or map pages "
+			       "in the GFP_DMA region for DMA ringmemory\n");
+			return NULL;
+		}
+		if (!b43_dma_address_ok(ring, *dmaaddr, size)) {
+			b43_unmap_and_free_ringmem(ring, base, *dmaaddr, size);
+			b43err(ring->dev->wl, "Failed to allocate DMA "
+			       "ringmemory that fits device constraints\n");
+			return NULL;
+		}
+	}
+	/* We expect the memory to be 4k aligned, at least. */
+	if (B43_WARN_ON(!is_4k_aligned(*dmaaddr))) {
+		b43_unmap_and_free_ringmem(ring, base, *dmaaddr, size);
+		return NULL;
+	}
+
+	return base;
+}
+
 static int alloc_ringmemory(struct b43_dmaring *ring)
 {
-	gfp_t flags = GFP_KERNEL;
-
-	/* The specs call for 4K buffers for 30- and 32-bit DMA with 4K
-	 * alignment and 8K buffers for 64-bit DMA with 8K alignment. Testing
-	 * has shown that 4K is sufficient for the latter as long as the buffer
-	 * does not cross an 8K boundary.
-	 *
-	 * For unknown reasons - possibly a hardware error - the BCM4311 rev
-	 * 02, which uses 64-bit DMA, needs the ring buffer in very low memory,
-	 * which accounts for the GFP_DMA flag below.
-	 *
-	 * The flags here must match the flags in free_ringmemory below!
+	unsigned int required;
+	void *base;
+	dma_addr_t dmaaddr;
+
+	/* There are several requirements to the descriptor ring memory:
+	 * - The memory region needs to fit the address constraints for the
+	 *   device (same as for frame buffers).
+	 * - For 30/32bit DMA devices, the descriptor ring must be 4k aligned.
+	 * - For 64bit DMA devices, the descriptor ring must be 8k aligned.
 	 */
+
 	if (ring->type == B43_DMA_64BIT)
-		flags |= GFP_DMA;
-	ring->descbase = ssb_dma_alloc_consistent(ring->dev->dev,
-						  B43_DMA_RINGMEMSIZE,
-						  &(ring->dmabase), flags);
-	if (!ring->descbase) {
-		b43err(ring->dev->wl, "DMA ringmemory allocation failed\n");
+		required = ring->nr_slots * sizeof(struct b43_dmadesc64);
+	else
+		required = ring->nr_slots * sizeof(struct b43_dmadesc32);
+	if (B43_WARN_ON(required > 0x1000))
+		return -ENOMEM;
+
+	ring->alloc_descsize = 0x1000;
+	base = b43_get_and_map_ringmem(ring, &dmaaddr, ring->alloc_descsize);
+	if (!base)
+		return -ENOMEM;
+	ring->alloc_descbase = base;
+	ring->alloc_dmabase = dmaaddr;
+
+	if ((ring->type != B43_DMA_64BIT) || is_8k_aligned(dmaaddr)) {
+		/* We're on <=32bit DMA, or we already got 8k aligned memory.
+		 * That's all we need, so we're fine. */
+		ring->descbase = base;
+		ring->dmabase = dmaaddr;
+		return 0;
+	}
+	b43_unmap_and_free_ringmem(ring, base, dmaaddr, ring->alloc_descsize);
+
+	/* Ok, we failed at the 8k alignment requirement.
+	 * Try to force-align the memory region now. */
+	ring->alloc_descsize = 0x2000;
+	base = b43_get_and_map_ringmem(ring, &dmaaddr, ring->alloc_descsize);
+	if (!base)
 		return -ENOMEM;
+	ring->alloc_descbase = base;
+	ring->alloc_dmabase = dmaaddr;
+
+	if (is_8k_aligned(dmaaddr)) {
+		/* We're already 8k aligned. That Ok, too. */
+		ring->descbase = base;
+		ring->dmabase = dmaaddr;
+		return 0;
 	}
-	memset(ring->descbase, 0, B43_DMA_RINGMEMSIZE);
+	/* Force-align it to 8k */
+	ring->descbase = (void *)((u8 *)base + 0x1000);
+	ring->dmabase = dmaaddr + 0x1000;
+	B43_WARN_ON(!is_8k_aligned(ring->dmabase));
 
 	return 0;
 }
 
 static void free_ringmemory(struct b43_dmaring *ring)
 {
-	gfp_t flags = GFP_KERNEL;
-
-	if (ring->type == B43_DMA_64BIT)
-		flags |= GFP_DMA;
-
-	ssb_dma_free_consistent(ring->dev->dev, B43_DMA_RINGMEMSIZE,
-				ring->descbase, ring->dmabase, flags);
+	b43_unmap_and_free_ringmem(ring, ring->alloc_descbase,
+				   ring->alloc_dmabase, ring->alloc_descsize);
 }
 
 /* Reset the RX DMA channel */
@@ -530,29 +646,14 @@ static bool b43_dma_mapping_error(struct b43_dmaring *ring,
 	if (unlikely(ssb_dma_mapping_error(ring->dev->dev, addr)))
 		return 1;
 
-	switch (ring->type) {
-	case B43_DMA_30BIT:
-		if ((u64)addr + buffersize > (1ULL << 30))
-			goto address_error;
-		break;
-	case B43_DMA_32BIT:
-		if ((u64)addr + buffersize > (1ULL << 32))
-			goto address_error;
-		break;
-	case B43_DMA_64BIT:
-		/* Currently we can't have addresses beyond
-		 * 64bit in the kernel. */
-		break;
+	if (!b43_dma_address_ok(ring, addr, buffersize)) {
+		/* We can't support this address. Unmap it again. */
+		unmap_descbuffer(ring, addr, buffersize, dma_to_device);
+		return 1;
 	}
 
 	/* The address is OK. */
 	return 0;
-
-address_error:
-	/* We can't support this address. Unmap it again. */
-	unmap_descbuffer(ring, addr, buffersize, dma_to_device);
-
-	return 1;
 }
 
 static bool b43_rx_buffer_is_poisoned(struct b43_dmaring *ring, struct sk_buff *skb)
@@ -614,6 +715,9 @@ static int setup_rx_descbuffer(struct b43_dmaring *ring,
 	meta->dmaaddr = dmaaddr;
 	ring->ops->fill_descriptor(ring, desc, dmaaddr,
 				   ring->rx_buffersize, 0, 0, 0);
+	ssb_dma_sync_single_for_device(ring->dev->dev,
+				       ring->alloc_dmabase,
+				       ring->alloc_descsize, DMA_TO_DEVICE);
 
 	return 0;
 }
@@ -1246,6 +1350,9 @@ static int dma_tx_fragment(struct b43_dmaring *ring,
 	}
 	/* Now transfer the whole frame. */
 	wmb();
+	ssb_dma_sync_single_for_device(ring->dev->dev,
+				       ring->alloc_dmabase,
+				       ring->alloc_descsize, DMA_TO_DEVICE);
 	ops->poke_tx(ring, next_slot(ring, slot));
 	return 0;
 
diff --git a/drivers/net/wireless/b43/dma.h b/drivers/net/wireless/b43/dma.h
index f0b0838fb5b..356a0ff8f04 100644
--- a/drivers/net/wireless/b43/dma.h
+++ b/drivers/net/wireless/b43/dma.h
@@ -157,7 +157,6 @@ struct b43_dmadesc_generic {
 } __attribute__ ((__packed__));
 
 /* Misc DMA constants */
-#define B43_DMA_RINGMEMSIZE		PAGE_SIZE
 #define B43_DMA0_RX_FRAMEOFFSET		30
 
 /* DMA engine tuning knobs */
@@ -243,6 +242,12 @@ struct b43_dmaring {
 	/* The QOS priority assigned to this ring. Only used for TX rings.
 	 * This is the mac80211 "queue" value. */
 	u8 queue_prio;
+	/* Pointers and size of the originally allocated and mapped memory
+	 * region for the descriptor ring. */
+	void *alloc_descbase;
+	dma_addr_t alloc_dmabase;
+	unsigned int alloc_descsize;
+	/* Pointer to our wireless device. */
 	struct b43_wldev *dev;
 #ifdef CONFIG_B43_DEBUG
 	/* Maximum number of used slots. */
-- 
GitLab


From 2939e275994977b6c9eb7fd082b7b0caa35b96b0 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 18 Nov 2009 23:24:41 -0800
Subject: [PATCH 1400/1815] netsched: Allow var_sk_bound_if meta to work on all
 namespaces

This fix can probably wait 2.6.33, or should use another patch
if needed in 2.6.32 (no get_dev_by_index_rcu() before 2.6.33)

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/sched/em_meta.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/sched/em_meta.c b/net/sched/em_meta.c
index 8e8d836f00c..24dce8b648a 100644
--- a/net/sched/em_meta.c
+++ b/net/sched/em_meta.c
@@ -310,7 +310,8 @@ META_COLLECTOR(var_sk_bound_if)
 		struct net_device *dev;
 
 		rcu_read_lock();
-		dev = dev_get_by_index_rcu(&init_net, skb->sk->sk_bound_dev_if);
+		dev = dev_get_by_index_rcu(sock_net(skb->sk),
+					   skb->sk->sk_bound_dev_if);
 		*err = var_dev(dev, dst);
 		rcu_read_unlock();
 	}
-- 
GitLab


From a0607fd3a25ba1848a63a0d925e36d914735ab47 Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Wed, 18 Nov 2009 23:29:17 -0800
Subject: [PATCH 1401/1815] drivers/net: request_irq - Remove unnecessary
 leading & from second arg

Not as fancy as coccinelle.  Checkpatch errors ignored.
Compile tested allyesconfig x86, not all files compiled.

grep -rPl --include=*.[ch] "\brequest_irq\s*\([^,\)]+,\s*\&" drivers/net | while read file ; do \
	perl -i -e 'local $/; while (<>) { s@(\brequest_irq\s*\([^,\)]+,\s*)\&@\1@g ; print ; }' $file ;\
done

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/3c501.c                           |  2 +-
 drivers/net/3c505.c                           |  2 +-
 drivers/net/3c507.c                           |  2 +-
 drivers/net/3c509.c                           |  2 +-
 drivers/net/3c515.c                           |  4 ++--
 drivers/net/3c523.c                           |  2 +-
 drivers/net/3c527.c                           |  2 +-
 drivers/net/appletalk/cops.c                  |  2 +-
 drivers/net/appletalk/ltpc.c                  |  2 +-
 drivers/net/arcnet/arc-rimi.c                 |  2 +-
 drivers/net/arcnet/com20020.c                 |  2 +-
 drivers/net/arcnet/com90io.c                  |  2 +-
 drivers/net/arcnet/com90xx.c                  |  2 +-
 drivers/net/at1700.c                          |  2 +-
 drivers/net/atl1e/atl1e_main.c                |  2 +-
 drivers/net/atlx/atl1.c                       |  2 +-
 drivers/net/atlx/atl2.c                       |  2 +-
 drivers/net/atp.c                             |  2 +-
 drivers/net/au1000_eth.c                      |  2 +-
 drivers/net/cs89x0.c                          |  2 +-
 drivers/net/declance.c                        |  4 ++--
 drivers/net/depca.c                           |  2 +-
 drivers/net/dl2k.c                            |  2 +-
 drivers/net/dm9000.c                          |  2 +-
 drivers/net/e1000/e1000_ethtool.c             |  4 ++--
 drivers/net/e1000e/ethtool.c                  |  4 ++--
 drivers/net/e1000e/netdev.c                   | 12 ++++++------
 drivers/net/eepro.c                           |  2 +-
 drivers/net/eexpress.c                        |  2 +-
 drivers/net/epic100.c                         |  2 +-
 drivers/net/fealnx.c                          |  2 +-
 drivers/net/fec_mpc52xx.c                     |  6 +++---
 drivers/net/forcedeth.c                       |  6 +++---
 drivers/net/hamachi.c                         |  2 +-
 drivers/net/ibmveth.c                         |  2 +-
 drivers/net/igb/igb_ethtool.c                 |  8 ++++----
 drivers/net/igb/igb_main.c                    |  8 ++++----
 drivers/net/igbvf/netdev.c                    |  6 +++---
 drivers/net/irda/au1k_ir.c                    |  4 ++--
 drivers/net/isa-skeleton.c                    |  4 ++--
 drivers/net/ixgb/ixgb_main.c                  |  2 +-
 drivers/net/ixgbe/ixgbe_ethtool.c             |  6 +++---
 drivers/net/ixgbe/ixgbe_main.c                |  6 +++---
 drivers/net/jazzsonic.c                       |  2 +-
 drivers/net/korina.c                          |  8 ++++----
 drivers/net/lance.c                           |  2 +-
 drivers/net/lib82596.c                        |  2 +-
 drivers/net/lp486e.c                          |  2 +-
 drivers/net/mac89x0.c                         |  2 +-
 drivers/net/macsonic.c                        |  4 ++--
 drivers/net/mipsnet.c                         |  2 +-
 drivers/net/myri_sbus.c                       |  2 +-
 drivers/net/natsemi.c                         |  2 +-
 drivers/net/netx-eth.c                        |  2 +-
 drivers/net/ni5010.c                          |  2 +-
 drivers/net/ni52.c                            |  2 +-
 drivers/net/ni65.c                            |  2 +-
 drivers/net/pasemi_mac.c                      |  4 ++--
 drivers/net/pcnet32.c                         |  2 +-
 drivers/net/s6gmac.c                          |  2 +-
 drivers/net/sb1000.c                          |  2 +-
 drivers/net/sb1250-mac.c                      |  2 +-
 drivers/net/seeq8005.c                        |  4 ++--
 drivers/net/sh_eth.c                          |  2 +-
 drivers/net/sis900.c                          |  2 +-
 drivers/net/smc911x.c                         |  2 +-
 drivers/net/smc9194.c                         |  2 +-
 drivers/net/smc91x.c                          |  2 +-
 drivers/net/starfire.c                        |  2 +-
 drivers/net/stmmac/stmmac_main.c              |  2 +-
 drivers/net/sun3_82586.c                      |  2 +-
 drivers/net/sunbmac.c                         |  2 +-
 drivers/net/sundance.c                        |  2 +-
 drivers/net/sunhme.c                          |  2 +-
 drivers/net/sunlance.c                        |  2 +-
 drivers/net/sunqe.c                           |  2 +-
 drivers/net/tc35815.c                         |  2 +-
 drivers/net/tehuti.c                          |  2 +-
 drivers/net/tokenring/ibmtr.c                 |  2 +-
 drivers/net/tokenring/lanstreamer.c           |  2 +-
 drivers/net/tulip/dmfe.c                      |  2 +-
 drivers/net/tulip/tulip_core.c                |  4 ++--
 drivers/net/tulip/uli526x.c                   |  2 +-
 drivers/net/tulip/winbond-840.c               |  2 +-
 drivers/net/tulip/xircom_cb.c                 |  2 +-
 drivers/net/wan/hostess_sv11.c                |  2 +-
 drivers/net/wan/lmc/lmc_main.c                |  2 +-
 drivers/net/wan/n2.c                          |  2 +-
 drivers/net/wan/sdla.c                        |  2 +-
 drivers/net/wan/sealevel.c                    |  2 +-
 drivers/net/wireless/mwl8k.c                  |  4 ++--
 drivers/net/wireless/prism54/islpci_hotplug.c |  2 +-
 drivers/net/xilinx_emaclite.c                 |  2 +-
 drivers/net/xtsonic.c                         |  2 +-
 drivers/net/yellowfin.c                       |  2 +-
 drivers/net/znet.c                            |  2 +-
 96 files changed, 131 insertions(+), 131 deletions(-)

diff --git a/drivers/net/3c501.c b/drivers/net/3c501.c
index f60309175ef..62ceb2b4820 100644
--- a/drivers/net/3c501.c
+++ b/drivers/net/3c501.c
@@ -345,7 +345,7 @@ static int el_open(struct net_device *dev)
 	if (el_debug > 2)
 		pr_debug("%s: Doing el_open()...\n", dev->name);
 
-	retval = request_irq(dev->irq, &el_interrupt, 0, dev->name, dev);
+	retval = request_irq(dev->irq, el_interrupt, 0, dev->name, dev);
 	if (retval)
 		return retval;
 
diff --git a/drivers/net/3c505.c b/drivers/net/3c505.c
index a21c9d15ef8..9257d7ce037 100644
--- a/drivers/net/3c505.c
+++ b/drivers/net/3c505.c
@@ -886,7 +886,7 @@ static int elp_open(struct net_device *dev)
 	/*
 	 * install our interrupt service routine
 	 */
-	if ((retval = request_irq(dev->irq, &elp_interrupt, 0, dev->name, dev))) {
+	if ((retval = request_irq(dev->irq, elp_interrupt, 0, dev->name, dev))) {
 		pr_err("%s: could not allocate IRQ%d\n", dev->name, dev->irq);
 		return retval;
 	}
diff --git a/drivers/net/3c507.c b/drivers/net/3c507.c
index a6dc8bcbc7d..605f1d17a8f 100644
--- a/drivers/net/3c507.c
+++ b/drivers/net/3c507.c
@@ -399,7 +399,7 @@ static int __init el16_probe1(struct net_device *dev, int ioaddr)
 
 	irq = inb(ioaddr + IRQ_CONFIG) & 0x0f;
 
-	irqval = request_irq(irq, &el16_interrupt, 0, DRV_NAME, dev);
+	irqval = request_irq(irq, el16_interrupt, 0, DRV_NAME, dev);
 	if (irqval) {
 		pr_cont("\n");
 		pr_err("3c507: unable to get IRQ %d (irqval=%d).\n", irq, irqval);
diff --git a/drivers/net/3c509.c b/drivers/net/3c509.c
index 3b00a4e927a..8d4ce096407 100644
--- a/drivers/net/3c509.c
+++ b/drivers/net/3c509.c
@@ -780,7 +780,7 @@ el3_open(struct net_device *dev)
 	outw(RxReset, ioaddr + EL3_CMD);
 	outw(SetStatusEnb | 0x00, ioaddr + EL3_CMD);
 
-	i = request_irq(dev->irq, &el3_interrupt, 0, dev->name, dev);
+	i = request_irq(dev->irq, el3_interrupt, 0, dev->name, dev);
 	if (i)
 		return i;
 
diff --git a/drivers/net/3c515.c b/drivers/net/3c515.c
index 4adcb950f5f..37faf36e245 100644
--- a/drivers/net/3c515.c
+++ b/drivers/net/3c515.c
@@ -766,11 +766,11 @@ static int corkscrew_open(struct net_device *dev)
 		/* Corkscrew: Cannot share ISA resources. */
 		if (dev->irq == 0
 		    || dev->dma == 0
-		    || request_irq(dev->irq, &corkscrew_interrupt, 0,
+		    || request_irq(dev->irq, corkscrew_interrupt, 0,
 				   vp->product_name, dev)) return -EAGAIN;
 		enable_dma(dev->dma);
 		set_dma_mode(dev->dma, DMA_MODE_CASCADE);
-	} else if (request_irq(dev->irq, &corkscrew_interrupt, IRQF_SHARED,
+	} else if (request_irq(dev->irq, corkscrew_interrupt, IRQF_SHARED,
 			       vp->product_name, dev)) {
 		return -EAGAIN;
 	}
diff --git a/drivers/net/3c523.c b/drivers/net/3c523.c
index cb0b730799b..27d80ca5e4c 100644
--- a/drivers/net/3c523.c
+++ b/drivers/net/3c523.c
@@ -288,7 +288,7 @@ static int elmc_open(struct net_device *dev)
 
 	elmc_id_attn586();	/* disable interrupts */
 
-	ret = request_irq(dev->irq, &elmc_interrupt, IRQF_SHARED | IRQF_SAMPLE_RANDOM,
+	ret = request_irq(dev->irq, elmc_interrupt, IRQF_SHARED | IRQF_SAMPLE_RANDOM,
 			  dev->name, dev);
 	if (ret) {
 		pr_err("%s: couldn't get irq %d\n", dev->name, dev->irq);
diff --git a/drivers/net/3c527.c b/drivers/net/3c527.c
index 6021e6dded8..d91c3464fe7 100644
--- a/drivers/net/3c527.c
+++ b/drivers/net/3c527.c
@@ -443,7 +443,7 @@ static int __init mc32_probe1(struct net_device *dev, int slot)
 	 *	Grab the IRQ
 	 */
 
-	err = request_irq(dev->irq, &mc32_interrupt, IRQF_SHARED | IRQF_SAMPLE_RANDOM, DRV_NAME, dev);
+	err = request_irq(dev->irq, mc32_interrupt, IRQF_SHARED | IRQF_SAMPLE_RANDOM, DRV_NAME, dev);
 	if (err) {
 		release_region(dev->base_addr, MC32_IO_EXTENT);
 		pr_err("%s: unable to get IRQ %d.\n", DRV_NAME, dev->irq);
diff --git a/drivers/net/appletalk/cops.c b/drivers/net/appletalk/cops.c
index b5dc7f55072..50cecf41747 100644
--- a/drivers/net/appletalk/cops.c
+++ b/drivers/net/appletalk/cops.c
@@ -328,7 +328,7 @@ static int __init cops_probe1(struct net_device *dev, int ioaddr)
 
 	/* Reserve any actual interrupt. */
 	if (dev->irq) {
-		retval = request_irq(dev->irq, &cops_interrupt, 0, dev->name, dev);
+		retval = request_irq(dev->irq, cops_interrupt, 0, dev->name, dev);
 		if (retval)
 			goto err_out;
 	}
diff --git a/drivers/net/appletalk/ltpc.c b/drivers/net/appletalk/ltpc.c
index 08760baece7..dbfbd3b7ff8 100644
--- a/drivers/net/appletalk/ltpc.c
+++ b/drivers/net/appletalk/ltpc.c
@@ -1158,7 +1158,7 @@ struct net_device * __init ltpc_probe(void)
 	}
 
 	/* grab it and don't let go :-) */
-	if (irq && request_irq( irq, &ltpc_interrupt, 0, "ltpc", dev) >= 0)
+	if (irq && request_irq( irq, ltpc_interrupt, 0, "ltpc", dev) >= 0)
 	{
 		(void) inb_p(io+7);  /* enable interrupts from board */
 		(void) inb_p(io+7);  /* and reset irq line */
diff --git a/drivers/net/arcnet/arc-rimi.c b/drivers/net/arcnet/arc-rimi.c
index e3082a9350f..c5b988140a9 100644
--- a/drivers/net/arcnet/arc-rimi.c
+++ b/drivers/net/arcnet/arc-rimi.c
@@ -156,7 +156,7 @@ static int __init arcrimi_found(struct net_device *dev)
 	}
 
 	/* reserve the irq */
-	if (request_irq(dev->irq, &arcnet_interrupt, 0, "arcnet (RIM I)", dev)) {
+	if (request_irq(dev->irq, arcnet_interrupt, 0, "arcnet (RIM I)", dev)) {
 		iounmap(p);
 		release_mem_region(dev->mem_start, MIRROR_SIZE);
 		BUGMSG(D_NORMAL, "Can't get IRQ %d!\n", dev->irq);
diff --git a/drivers/net/arcnet/com20020.c b/drivers/net/arcnet/com20020.c
index 651275a5f3d..0a74f21409c 100644
--- a/drivers/net/arcnet/com20020.c
+++ b/drivers/net/arcnet/com20020.c
@@ -200,7 +200,7 @@ int com20020_found(struct net_device *dev, int shared)
 	outb(dev->dev_addr[0], _XREG);
 
 	/* reserve the irq */
-	if (request_irq(dev->irq, &arcnet_interrupt, shared,
+	if (request_irq(dev->irq, arcnet_interrupt, shared,
 			"arcnet (COM20020)", dev)) {
 		BUGMSG(D_NORMAL, "Can't get IRQ %d!\n", dev->irq);
 		return -ENODEV;
diff --git a/drivers/net/arcnet/com90io.c b/drivers/net/arcnet/com90io.c
index 89de29b3b1d..28dea518d55 100644
--- a/drivers/net/arcnet/com90io.c
+++ b/drivers/net/arcnet/com90io.c
@@ -238,7 +238,7 @@ static int __init com90io_found(struct net_device *dev)
 	int err;
 
 	/* Reserve the irq */
-	if (request_irq(dev->irq, &arcnet_interrupt, 0, "arcnet (COM90xx-IO)", dev)) {
+	if (request_irq(dev->irq, arcnet_interrupt, 0, "arcnet (COM90xx-IO)", dev)) {
 		BUGMSG(D_NORMAL, "Can't get IRQ %d!\n", dev->irq);
 		return -ENODEV;
 	}
diff --git a/drivers/net/arcnet/com90xx.c b/drivers/net/arcnet/com90xx.c
index d762fe46251..112e230cb13 100644
--- a/drivers/net/arcnet/com90xx.c
+++ b/drivers/net/arcnet/com90xx.c
@@ -501,7 +501,7 @@ static int __init com90xx_found(int ioaddr, int airq, u_long shmem, void __iomem
 		goto err_free_dev;
 
 	/* reserve the irq */
-	if (request_irq(airq, &arcnet_interrupt, 0, "arcnet (90xx)", dev)) {
+	if (request_irq(airq, arcnet_interrupt, 0, "arcnet (90xx)", dev)) {
 		BUGMSG(D_NORMAL, "Can't get IRQ %d!\n", airq);
 		goto err_release_mem;
 	}
diff --git a/drivers/net/at1700.c b/drivers/net/at1700.c
index 544d5af6950..d4ab69f032b 100644
--- a/drivers/net/at1700.c
+++ b/drivers/net/at1700.c
@@ -468,7 +468,7 @@ found:
 	lp->jumpered = is_fmv18x;
 	lp->mca_slot = slot;
 	/* Snarf the interrupt vector now. */
-	ret = request_irq(irq, &net_interrupt, 0, DRV_NAME, dev);
+	ret = request_irq(irq, net_interrupt, 0, DRV_NAME, dev);
 	if (ret) {
 		printk(KERN_ERR "AT1700 at %#3x is unusable due to a "
 		       "conflict on IRQ %d.\n",
diff --git a/drivers/net/atl1e/atl1e_main.c b/drivers/net/atl1e/atl1e_main.c
index 8b889ab544b..ad17e74e566 100644
--- a/drivers/net/atl1e/atl1e_main.c
+++ b/drivers/net/atl1e/atl1e_main.c
@@ -1930,7 +1930,7 @@ static int atl1e_request_irq(struct atl1e_adapter *adapter)
 
 	if (!adapter->have_msi)
 		flags |= IRQF_SHARED;
-	err = request_irq(adapter->pdev->irq, &atl1e_intr, flags,
+	err = request_irq(adapter->pdev->irq, atl1e_intr, flags,
 			netdev->name, netdev);
 	if (err) {
 		dev_dbg(&pdev->dev,
diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c
index 963df502260..e547f788a26 100644
--- a/drivers/net/atlx/atl1.c
+++ b/drivers/net/atlx/atl1.c
@@ -2589,7 +2589,7 @@ static s32 atl1_up(struct atl1_adapter *adapter)
 		irq_flags |= IRQF_SHARED;
 	}
 
-	err = request_irq(adapter->pdev->irq, &atl1_intr, irq_flags,
+	err = request_irq(adapter->pdev->irq, atl1_intr, irq_flags,
 			netdev->name, netdev);
 	if (unlikely(err))
 		goto err_up;
diff --git a/drivers/net/atlx/atl2.c b/drivers/net/atlx/atl2.c
index 0d268075bad..c0451d75cdc 100644
--- a/drivers/net/atlx/atl2.c
+++ b/drivers/net/atlx/atl2.c
@@ -651,7 +651,7 @@ static int atl2_request_irq(struct atl2_adapter *adapter)
 	if (adapter->have_msi)
 		flags &= ~IRQF_SHARED;
 
-	return request_irq(adapter->pdev->irq, &atl2_intr, flags, netdev->name,
+	return request_irq(adapter->pdev->irq, atl2_intr, flags, netdev->name,
 		netdev);
 }
 
diff --git a/drivers/net/atp.c b/drivers/net/atp.c
index 9043294fe61..001791775be 100644
--- a/drivers/net/atp.c
+++ b/drivers/net/atp.c
@@ -437,7 +437,7 @@ static int net_open(struct net_device *dev)
 	/* The interrupt line is turned off (tri-stated) when the device isn't in
 	   use.  That's especially important for "attached" interfaces where the
 	   port or interrupt may be shared. */
-	ret = request_irq(dev->irq, &atp_interrupt, 0, dev->name, dev);
+	ret = request_irq(dev->irq, atp_interrupt, 0, dev->name, dev);
 	if (ret)
 		return ret;
 
diff --git a/drivers/net/au1000_eth.c b/drivers/net/au1000_eth.c
index ce6f1ac25df..e67533cf78d 100644
--- a/drivers/net/au1000_eth.c
+++ b/drivers/net/au1000_eth.c
@@ -881,7 +881,7 @@ static int au1000_open(struct net_device *dev)
 	if (au1000_debug > 4)
 		printk("%s: open: dev=%p\n", dev->name, dev);
 
-	if ((retval = request_irq(dev->irq, &au1000_interrupt, 0,
+	if ((retval = request_irq(dev->irq, au1000_interrupt, 0,
 					dev->name, dev))) {
 		printk(KERN_ERR "%s: unable to get IRQ %d\n",
 				dev->name, dev->irq);
diff --git a/drivers/net/cs89x0.c b/drivers/net/cs89x0.c
index 0c54219960e..af9321617ce 100644
--- a/drivers/net/cs89x0.c
+++ b/drivers/net/cs89x0.c
@@ -1323,7 +1323,7 @@ net_open(struct net_device *dev)
 		writereg(dev, PP_BusCTL, ENABLE_IRQ | MEMORY_ON);
 #endif
 		write_irq(dev, lp->chip_type, dev->irq);
-		ret = request_irq(dev->irq, &net_interrupt, 0, dev->name, dev);
+		ret = request_irq(dev->irq, net_interrupt, 0, dev->name, dev);
 		if (ret) {
 			if (net_debug)
 				printk(KERN_DEBUG "cs89x0: request_irq(%d) failed\n", dev->irq);
diff --git a/drivers/net/declance.c b/drivers/net/declance.c
index a31696a3928..be9590253aa 100644
--- a/drivers/net/declance.c
+++ b/drivers/net/declance.c
@@ -801,14 +801,14 @@ static int lance_open(struct net_device *dev)
 	netif_start_queue(dev);
 
 	/* Associate IRQ with lance_interrupt */
-	if (request_irq(dev->irq, &lance_interrupt, 0, "lance", dev)) {
+	if (request_irq(dev->irq, lance_interrupt, 0, "lance", dev)) {
 		printk("%s: Can't get IRQ %d\n", dev->name, dev->irq);
 		return -EAGAIN;
 	}
 	if (lp->dma_irq >= 0) {
 		unsigned long flags;
 
-		if (request_irq(lp->dma_irq, &lance_dma_merr_int, 0,
+		if (request_irq(lp->dma_irq, lance_dma_merr_int, 0,
 				"lance error", dev)) {
 			free_irq(dev->irq, dev);
 			printk("%s: Can't get DMA IRQ %d\n", dev->name,
diff --git a/drivers/net/depca.c b/drivers/net/depca.c
index 7a3bdac84ab..0c1f491d20b 100644
--- a/drivers/net/depca.c
+++ b/drivers/net/depca.c
@@ -849,7 +849,7 @@ static int depca_open(struct net_device *dev)
 
 	depca_dbg_open(dev);
 
-	if (request_irq(dev->irq, &depca_interrupt, 0, lp->adapter_name, dev)) {
+	if (request_irq(dev->irq, depca_interrupt, 0, lp->adapter_name, dev)) {
 		printk("depca_open(): Requested IRQ%d is busy\n", dev->irq);
 		status = -EAGAIN;
 	} else {
diff --git a/drivers/net/dl2k.c b/drivers/net/dl2k.c
index ce8fef184f2..a2f1860fdd1 100644
--- a/drivers/net/dl2k.c
+++ b/drivers/net/dl2k.c
@@ -411,7 +411,7 @@ rio_open (struct net_device *dev)
 	int i;
 	u16 macctrl;
 
-	i = request_irq (dev->irq, &rio_interrupt, IRQF_SHARED, dev->name, dev);
+	i = request_irq (dev->irq, rio_interrupt, IRQF_SHARED, dev->name, dev);
 	if (i)
 		return i;
 
diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c
index 3aab2e46600..81590fbb994 100644
--- a/drivers/net/dm9000.c
+++ b/drivers/net/dm9000.c
@@ -1175,7 +1175,7 @@ dm9000_open(struct net_device *dev)
 
 	irqflags |= IRQF_SHARED;
 
-	if (request_irq(dev->irq, &dm9000_interrupt, irqflags, dev->name, dev))
+	if (request_irq(dev->irq, dm9000_interrupt, irqflags, dev->name, dev))
 		return -EAGAIN;
 
 	/* Initialize DM9000 board */
diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c
index ffbae0a0b4f..13e9ece1688 100644
--- a/drivers/net/e1000/e1000_ethtool.c
+++ b/drivers/net/e1000/e1000_ethtool.c
@@ -869,10 +869,10 @@ static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
 
 	/* NOTE: we don't test MSI interrupts here, yet */
 	/* Hook up test interrupt handler just for this test */
-	if (!request_irq(irq, &e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
+	if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
 	                 netdev))
 		shared_int = false;
-	else if (request_irq(irq, &e1000_test_intr, IRQF_SHARED,
+	else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
 	         netdev->name, netdev)) {
 		*data = 1;
 		return -1;
diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c
index 0364b91488a..c430dc8b70a 100644
--- a/drivers/net/e1000e/ethtool.c
+++ b/drivers/net/e1000e/ethtool.c
@@ -937,10 +937,10 @@ static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
 		e1000e_set_interrupt_capability(adapter);
 	}
 	/* Hook up test interrupt handler just for this test */
-	if (!request_irq(irq, &e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
+	if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
 			 netdev)) {
 		shared_int = 0;
-	} else if (request_irq(irq, &e1000_test_intr, IRQF_SHARED,
+	} else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
 		 netdev->name, netdev)) {
 		*data = 1;
 		ret_val = -1;
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 376924804f3..3caa1d5893c 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -1458,7 +1458,7 @@ static int e1000_request_msix(struct e1000_adapter *adapter)
 	else
 		memcpy(adapter->rx_ring->name, netdev->name, IFNAMSIZ);
 	err = request_irq(adapter->msix_entries[vector].vector,
-			  &e1000_intr_msix_rx, 0, adapter->rx_ring->name,
+			  e1000_intr_msix_rx, 0, adapter->rx_ring->name,
 			  netdev);
 	if (err)
 		goto out;
@@ -1471,7 +1471,7 @@ static int e1000_request_msix(struct e1000_adapter *adapter)
 	else
 		memcpy(adapter->tx_ring->name, netdev->name, IFNAMSIZ);
 	err = request_irq(adapter->msix_entries[vector].vector,
-			  &e1000_intr_msix_tx, 0, adapter->tx_ring->name,
+			  e1000_intr_msix_tx, 0, adapter->tx_ring->name,
 			  netdev);
 	if (err)
 		goto out;
@@ -1480,7 +1480,7 @@ static int e1000_request_msix(struct e1000_adapter *adapter)
 	vector++;
 
 	err = request_irq(adapter->msix_entries[vector].vector,
-			  &e1000_msix_other, 0, netdev->name, netdev);
+			  e1000_msix_other, 0, netdev->name, netdev);
 	if (err)
 		goto out;
 
@@ -1511,7 +1511,7 @@ static int e1000_request_irq(struct e1000_adapter *adapter)
 		e1000e_set_interrupt_capability(adapter);
 	}
 	if (adapter->flags & FLAG_MSI_ENABLED) {
-		err = request_irq(adapter->pdev->irq, &e1000_intr_msi, 0,
+		err = request_irq(adapter->pdev->irq, e1000_intr_msi, 0,
 				  netdev->name, netdev);
 		if (!err)
 			return err;
@@ -1521,7 +1521,7 @@ static int e1000_request_irq(struct e1000_adapter *adapter)
 		adapter->int_mode = E1000E_INT_MODE_LEGACY;
 	}
 
-	err = request_irq(adapter->pdev->irq, &e1000_intr, IRQF_SHARED,
+	err = request_irq(adapter->pdev->irq, e1000_intr, IRQF_SHARED,
 			  netdev->name, netdev);
 	if (err)
 		e_err("Unable to allocate interrupt, Error: %d\n", err);
@@ -2970,7 +2970,7 @@ static int e1000_test_msi_interrupt(struct e1000_adapter *adapter)
 	if (err)
 		goto msi_test_failed;
 
-	err = request_irq(adapter->pdev->irq, &e1000_intr_msi_test, 0,
+	err = request_irq(adapter->pdev->irq, e1000_intr_msi_test, 0,
 			  netdev->name, netdev);
 	if (err) {
 		pci_disable_msi(adapter->pdev);
diff --git a/drivers/net/eepro.c b/drivers/net/eepro.c
index 1e934160062..94c59498cdb 100644
--- a/drivers/net/eepro.c
+++ b/drivers/net/eepro.c
@@ -990,7 +990,7 @@ static int eepro_open(struct net_device *dev)
 		return -EAGAIN;
 	}
 
-	if (request_irq(dev->irq , &eepro_interrupt, 0, dev->name, dev)) {
+	if (request_irq(dev->irq , eepro_interrupt, 0, dev->name, dev)) {
 		printk(KERN_ERR "%s: unable to get IRQ %d.\n", dev->name, dev->irq);
 		return -EAGAIN;
 	}
diff --git a/drivers/net/eexpress.c b/drivers/net/eexpress.c
index 592de8f1668..6fbfc8eee63 100644
--- a/drivers/net/eexpress.c
+++ b/drivers/net/eexpress.c
@@ -457,7 +457,7 @@ static int eexp_open(struct net_device *dev)
 	if (!dev->irq || !irqrmap[dev->irq])
 		return -ENXIO;
 
-	ret = request_irq(dev->irq, &eexp_irq, 0, dev->name, dev);
+	ret = request_irq(dev->irq, eexp_irq, 0, dev->name, dev);
 	if (ret)
 		return ret;
 
diff --git a/drivers/net/epic100.c b/drivers/net/epic100.c
index 641a10d2e84..703b4c8e9b4 100644
--- a/drivers/net/epic100.c
+++ b/drivers/net/epic100.c
@@ -668,7 +668,7 @@ static int epic_open(struct net_device *dev)
 	outl(0x4001, ioaddr + GENCTL);
 
 	napi_enable(&ep->napi);
-	if ((retval = request_irq(dev->irq, &epic_interrupt, IRQF_SHARED, dev->name, dev))) {
+	if ((retval = request_irq(dev->irq, epic_interrupt, IRQF_SHARED, dev->name, dev))) {
 		napi_disable(&ep->napi);
 		return retval;
 	}
diff --git a/drivers/net/fealnx.c b/drivers/net/fealnx.c
index 18d5fbb9673..e173515790c 100644
--- a/drivers/net/fealnx.c
+++ b/drivers/net/fealnx.c
@@ -839,7 +839,7 @@ static int netdev_open(struct net_device *dev)
 
 	iowrite32(0x00000001, ioaddr + BCR);	/* Reset */
 
-	if (request_irq(dev->irq, &intr_handler, IRQF_SHARED, dev->name, dev))
+	if (request_irq(dev->irq, intr_handler, IRQF_SHARED, dev->name, dev))
 		return -EAGAIN;
 
 	for (i = 0; i < 3; i++)
diff --git a/drivers/net/fec_mpc52xx.c b/drivers/net/fec_mpc52xx.c
index 66dace6d324..6407672b28e 100644
--- a/drivers/net/fec_mpc52xx.c
+++ b/drivers/net/fec_mpc52xx.c
@@ -226,17 +226,17 @@ static int mpc52xx_fec_open(struct net_device *dev)
 		phy_start(priv->phydev);
 	}
 
-	if (request_irq(dev->irq, &mpc52xx_fec_interrupt, IRQF_SHARED,
+	if (request_irq(dev->irq, mpc52xx_fec_interrupt, IRQF_SHARED,
 	                DRIVER_NAME "_ctrl", dev)) {
 		dev_err(&dev->dev, "ctrl interrupt request failed\n");
 		goto free_phy;
 	}
-	if (request_irq(priv->r_irq, &mpc52xx_fec_rx_interrupt, 0,
+	if (request_irq(priv->r_irq, mpc52xx_fec_rx_interrupt, 0,
 	                DRIVER_NAME "_rx", dev)) {
 		dev_err(&dev->dev, "rx interrupt request failed\n");
 		goto free_ctrl_irq;
 	}
-	if (request_irq(priv->t_irq, &mpc52xx_fec_tx_interrupt, 0,
+	if (request_irq(priv->t_irq, mpc52xx_fec_tx_interrupt, 0,
 	                DRIVER_NAME "_tx", dev)) {
 		dev_err(&dev->dev, "tx interrupt request failed\n");
 		goto free_2irqs;
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index 3116601dbfe..3c340489804 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -4004,7 +4004,7 @@ static int nv_request_irq(struct net_device *dev, int intr_test)
 				/* Request irq for rx handling */
 				sprintf(np->name_rx, "%s-rx", dev->name);
 				if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector,
-						&nv_nic_irq_rx, IRQF_SHARED, np->name_rx, dev) != 0) {
+						nv_nic_irq_rx, IRQF_SHARED, np->name_rx, dev) != 0) {
 					printk(KERN_INFO "forcedeth: request_irq failed for rx %d\n", ret);
 					pci_disable_msix(np->pci_dev);
 					np->msi_flags &= ~NV_MSI_X_ENABLED;
@@ -4013,7 +4013,7 @@ static int nv_request_irq(struct net_device *dev, int intr_test)
 				/* Request irq for tx handling */
 				sprintf(np->name_tx, "%s-tx", dev->name);
 				if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector,
-						&nv_nic_irq_tx, IRQF_SHARED, np->name_tx, dev) != 0) {
+						nv_nic_irq_tx, IRQF_SHARED, np->name_tx, dev) != 0) {
 					printk(KERN_INFO "forcedeth: request_irq failed for tx %d\n", ret);
 					pci_disable_msix(np->pci_dev);
 					np->msi_flags &= ~NV_MSI_X_ENABLED;
@@ -4022,7 +4022,7 @@ static int nv_request_irq(struct net_device *dev, int intr_test)
 				/* Request irq for link and timer handling */
 				sprintf(np->name_other, "%s-other", dev->name);
 				if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector,
-						&nv_nic_irq_other, IRQF_SHARED, np->name_other, dev) != 0) {
+						nv_nic_irq_other, IRQF_SHARED, np->name_other, dev) != 0) {
 					printk(KERN_INFO "forcedeth: request_irq failed for link %d\n", ret);
 					pci_disable_msix(np->pci_dev);
 					np->msi_flags &= ~NV_MSI_X_ENABLED;
diff --git a/drivers/net/hamachi.c b/drivers/net/hamachi.c
index c9ac46118e6..5d8c6333070 100644
--- a/drivers/net/hamachi.c
+++ b/drivers/net/hamachi.c
@@ -872,7 +872,7 @@ static int hamachi_open(struct net_device *dev)
 	u32 rx_int_var, tx_int_var;
 	u16 fifo_info;
 
-	i = request_irq(dev->irq, &hamachi_interrupt, IRQF_SHARED, dev->name, dev);
+	i = request_irq(dev->irq, hamachi_interrupt, IRQF_SHARED, dev->name, dev);
 	if (i)
 		return i;
 
diff --git a/drivers/net/ibmveth.c b/drivers/net/ibmveth.c
index 5862282ab2f..a86693906ac 100644
--- a/drivers/net/ibmveth.c
+++ b/drivers/net/ibmveth.c
@@ -625,7 +625,7 @@ static int ibmveth_open(struct net_device *netdev)
 	}
 
 	ibmveth_debug_printk("registering irq 0x%x\n", netdev->irq);
-	if((rc = request_irq(netdev->irq, &ibmveth_interrupt, 0, netdev->name, netdev)) != 0) {
+	if((rc = request_irq(netdev->irq, ibmveth_interrupt, 0, netdev->name, netdev)) != 0) {
 		ibmveth_error_printk("unable to request irq 0x%x, rc %d\n", netdev->irq, rc);
 		do {
 			rc = h_free_logical_lan(adapter->vdev->unit_address);
diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
index 88e13f7e566..2e238bfa1f9 100644
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -1133,21 +1133,21 @@ static int igb_intr_test(struct igb_adapter *adapter, u64 *data)
 	/* Hook up test interrupt handler just for this test */
 	if (adapter->msix_entries) {
 		if (request_irq(adapter->msix_entries[0].vector,
-		                &igb_test_intr, 0, netdev->name, adapter)) {
+		                igb_test_intr, 0, netdev->name, adapter)) {
 			*data = 1;
 			return -1;
 		}
 	} else if (adapter->flags & IGB_FLAG_HAS_MSI) {
 		shared_int = false;
 		if (request_irq(irq,
-		                &igb_test_intr, 0, netdev->name, adapter)) {
+		                igb_test_intr, 0, netdev->name, adapter)) {
 			*data = 1;
 			return -1;
 		}
-	} else if (!request_irq(irq, &igb_test_intr, IRQF_PROBE_SHARED,
+	} else if (!request_irq(irq, igb_test_intr, IRQF_PROBE_SHARED,
 				netdev->name, adapter)) {
 		shared_int = false;
-	} else if (request_irq(irq, &igb_test_intr, IRQF_SHARED,
+	} else if (request_irq(irq, igb_test_intr, IRQF_SHARED,
 		 netdev->name, adapter)) {
 		*data = 1;
 		return -1;
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 0cab5e2b089..958305e92d6 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -525,7 +525,7 @@ static int igb_request_msix(struct igb_adapter *adapter)
 	int i, err = 0, vector = 0;
 
 	err = request_irq(adapter->msix_entries[vector].vector,
-	                  &igb_msix_other, 0, netdev->name, adapter);
+	                  igb_msix_other, 0, netdev->name, adapter);
 	if (err)
 		goto out;
 	vector++;
@@ -548,7 +548,7 @@ static int igb_request_msix(struct igb_adapter *adapter)
 			sprintf(q_vector->name, "%s-unused", netdev->name);
 
 		err = request_irq(adapter->msix_entries[vector].vector,
-		                  &igb_msix_ring, 0, q_vector->name,
+		                  igb_msix_ring, 0, q_vector->name,
 		                  q_vector);
 		if (err)
 			goto out;
@@ -875,7 +875,7 @@ static int igb_request_irq(struct igb_adapter *adapter)
 	}
 
 	if (adapter->flags & IGB_FLAG_HAS_MSI) {
-		err = request_irq(adapter->pdev->irq, &igb_intr_msi, 0,
+		err = request_irq(adapter->pdev->irq, igb_intr_msi, 0,
 				  netdev->name, adapter);
 		if (!err)
 			goto request_done;
@@ -885,7 +885,7 @@ static int igb_request_irq(struct igb_adapter *adapter)
 		adapter->flags &= ~IGB_FLAG_HAS_MSI;
 	}
 
-	err = request_irq(adapter->pdev->irq, &igb_intr, IRQF_SHARED,
+	err = request_irq(adapter->pdev->irq, igb_intr, IRQF_SHARED,
 			  netdev->name, adapter);
 
 	if (err)
diff --git a/drivers/net/igbvf/netdev.c b/drivers/net/igbvf/netdev.c
index fad7f348dd1..e01f44597a2 100644
--- a/drivers/net/igbvf/netdev.c
+++ b/drivers/net/igbvf/netdev.c
@@ -1043,7 +1043,7 @@ static int igbvf_request_msix(struct igbvf_adapter *adapter)
 	}
 
 	err = request_irq(adapter->msix_entries[vector].vector,
-	                  &igbvf_intr_msix_tx, 0, adapter->tx_ring->name,
+	                  igbvf_intr_msix_tx, 0, adapter->tx_ring->name,
 	                  netdev);
 	if (err)
 		goto out;
@@ -1053,7 +1053,7 @@ static int igbvf_request_msix(struct igbvf_adapter *adapter)
 	vector++;
 
 	err = request_irq(adapter->msix_entries[vector].vector,
-	                  &igbvf_intr_msix_rx, 0, adapter->rx_ring->name,
+	                  igbvf_intr_msix_rx, 0, adapter->rx_ring->name,
 	                  netdev);
 	if (err)
 		goto out;
@@ -1063,7 +1063,7 @@ static int igbvf_request_msix(struct igbvf_adapter *adapter)
 	vector++;
 
 	err = request_irq(adapter->msix_entries[vector].vector,
-	                  &igbvf_msix_other, 0, netdev->name, netdev);
+	                  igbvf_msix_other, 0, netdev->name, netdev);
 	if (err)
 		goto out;
 
diff --git a/drivers/net/irda/au1k_ir.c b/drivers/net/irda/au1k_ir.c
index eb424681202..9b2eebdbb25 100644
--- a/drivers/net/irda/au1k_ir.c
+++ b/drivers/net/irda/au1k_ir.c
@@ -353,13 +353,13 @@ static int au1k_irda_start(struct net_device *dev)
 		return retval;
 	}
 
-	if ((retval = request_irq(AU1000_IRDA_TX_INT, &au1k_irda_interrupt, 
+	if ((retval = request_irq(AU1000_IRDA_TX_INT, au1k_irda_interrupt, 
 					0, dev->name, dev))) {
 		printk(KERN_ERR "%s: unable to get IRQ %d\n", 
 				dev->name, dev->irq);
 		return retval;
 	}
-	if ((retval = request_irq(AU1000_IRDA_RX_INT, &au1k_irda_interrupt, 
+	if ((retval = request_irq(AU1000_IRDA_RX_INT, au1k_irda_interrupt, 
 					0, dev->name, dev))) {
 		free_irq(AU1000_IRDA_TX_INT, dev);
 		printk(KERN_ERR "%s: unable to get IRQ %d\n", 
diff --git a/drivers/net/isa-skeleton.c b/drivers/net/isa-skeleton.c
index 9706e64e367..0e71e2a9316 100644
--- a/drivers/net/isa-skeleton.c
+++ b/drivers/net/isa-skeleton.c
@@ -260,7 +260,7 @@ static int __init netcard_probe1(struct net_device *dev, int ioaddr)
 		dev->irq = 9;
 
 	{
-		int irqval = request_irq(dev->irq, &net_interrupt, 0, cardname, dev);
+		int irqval = request_irq(dev->irq, net_interrupt, 0, cardname, dev);
 		if (irqval) {
 			printk("%s: unable to get IRQ %d (irqval=%d).\n",
 				   dev->name, dev->irq, irqval);
@@ -378,7 +378,7 @@ net_open(struct net_device *dev)
 	 * This is used if the interrupt line can turned off (shared).
 	 * See 3c503.c for an example of selecting the IRQ at config-time.
 	 */
-	if (request_irq(dev->irq, &net_interrupt, 0, cardname, dev)) {
+	if (request_irq(dev->irq, net_interrupt, 0, cardname, dev)) {
 		return -EAGAIN;
 	}
 	/*
diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c
index 1bd0ca1b046..73646062e8d 100644
--- a/drivers/net/ixgb/ixgb_main.c
+++ b/drivers/net/ixgb/ixgb_main.c
@@ -233,7 +233,7 @@ ixgb_up(struct ixgb_adapter *adapter)
 		/* proceed to try to request regular interrupt */
 	}
 
-	err = request_irq(adapter->pdev->irq, &ixgb_intr, irq_flags,
+	err = request_irq(adapter->pdev->irq, ixgb_intr, irq_flags,
 	                  netdev->name, netdev);
 	if (err) {
 		if (adapter->have_msi)
diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c
index 9d2cc833691..74f04e18354 100644
--- a/drivers/net/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ixgbe/ixgbe_ethtool.c
@@ -1274,15 +1274,15 @@ static int ixgbe_intr_test(struct ixgbe_adapter *adapter, u64 *data)
 		return 0;
 	} else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) {
 		shared_int = false;
-		if (request_irq(irq, &ixgbe_test_intr, 0, netdev->name,
+		if (request_irq(irq, ixgbe_test_intr, 0, netdev->name,
 				netdev)) {
 			*data = 1;
 			return -1;
 		}
-	} else if (!request_irq(irq, &ixgbe_test_intr, IRQF_PROBE_SHARED,
+	} else if (!request_irq(irq, ixgbe_test_intr, IRQF_PROBE_SHARED,
 	                        netdev->name, netdev)) {
 		shared_int = false;
-	} else if (request_irq(irq, &ixgbe_test_intr, IRQF_SHARED,
+	} else if (request_irq(irq, ixgbe_test_intr, IRQF_SHARED,
 	                       netdev->name, netdev)) {
 		*data = 1;
 		return -1;
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index dceed80f16f..ebcec30e078 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -1661,7 +1661,7 @@ static int ixgbe_request_msix_irqs(struct ixgbe_adapter *adapter)
 
 	sprintf(adapter->name[vector], "%s:lsc", netdev->name);
 	err = request_irq(adapter->msix_entries[vector].vector,
-	                  &ixgbe_msix_lsc, 0, adapter->name[vector], netdev);
+	                  ixgbe_msix_lsc, 0, adapter->name[vector], netdev);
 	if (err) {
 		DPRINTK(PROBE, ERR,
 			"request_irq for msix_lsc failed: %d\n", err);
@@ -1832,10 +1832,10 @@ static int ixgbe_request_irq(struct ixgbe_adapter *adapter)
 	if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
 		err = ixgbe_request_msix_irqs(adapter);
 	} else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) {
-		err = request_irq(adapter->pdev->irq, &ixgbe_intr, 0,
+		err = request_irq(adapter->pdev->irq, ixgbe_intr, 0,
 		                  netdev->name, netdev);
 	} else {
-		err = request_irq(adapter->pdev->irq, &ixgbe_intr, IRQF_SHARED,
+		err = request_irq(adapter->pdev->irq, ixgbe_intr, IRQF_SHARED,
 		                  netdev->name, netdev);
 	}
 
diff --git a/drivers/net/jazzsonic.c b/drivers/net/jazzsonic.c
index 6e5b3f30527..35d5bed450d 100644
--- a/drivers/net/jazzsonic.c
+++ b/drivers/net/jazzsonic.c
@@ -81,7 +81,7 @@ static unsigned short known_revisions[] =
 
 static int jazzsonic_open(struct net_device* dev)
 {
-	if (request_irq(dev->irq, &sonic_interrupt, IRQF_DISABLED, "sonic", dev)) {
+	if (request_irq(dev->irq, sonic_interrupt, IRQF_DISABLED, "sonic", dev)) {
 		printk(KERN_ERR "%s: unable to get IRQ %d.\n", dev->name, dev->irq);
 		return -EAGAIN;
 	}
diff --git a/drivers/net/korina.c b/drivers/net/korina.c
index a07a5972b57..25e2af6997e 100644
--- a/drivers/net/korina.c
+++ b/drivers/net/korina.c
@@ -1014,14 +1014,14 @@ static int korina_open(struct net_device *dev)
 	/* Install the interrupt handler
 	 * that handles the Done Finished
 	 * Ovr and Und Events */
-	ret = request_irq(lp->rx_irq, &korina_rx_dma_interrupt,
+	ret = request_irq(lp->rx_irq, korina_rx_dma_interrupt,
 			IRQF_DISABLED, "Korina ethernet Rx", dev);
 	if (ret < 0) {
 		printk(KERN_ERR "%s: unable to get Rx DMA IRQ %d\n",
 		    dev->name, lp->rx_irq);
 		goto err_release;
 	}
-	ret = request_irq(lp->tx_irq, &korina_tx_dma_interrupt,
+	ret = request_irq(lp->tx_irq, korina_tx_dma_interrupt,
 			IRQF_DISABLED, "Korina ethernet Tx", dev);
 	if (ret < 0) {
 		printk(KERN_ERR "%s: unable to get Tx DMA IRQ %d\n",
@@ -1030,7 +1030,7 @@ static int korina_open(struct net_device *dev)
 	}
 
 	/* Install handler for overrun error. */
-	ret = request_irq(lp->ovr_irq, &korina_ovr_interrupt,
+	ret = request_irq(lp->ovr_irq, korina_ovr_interrupt,
 			IRQF_DISABLED, "Ethernet Overflow", dev);
 	if (ret < 0) {
 		printk(KERN_ERR "%s: unable to get OVR IRQ %d\n",
@@ -1039,7 +1039,7 @@ static int korina_open(struct net_device *dev)
 	}
 
 	/* Install handler for underflow error. */
-	ret = request_irq(lp->und_irq, &korina_und_interrupt,
+	ret = request_irq(lp->und_irq, korina_und_interrupt,
 			IRQF_DISABLED, "Ethernet Underflow", dev);
 	if (ret < 0) {
 		printk(KERN_ERR "%s: unable to get UND IRQ %d\n",
diff --git a/drivers/net/lance.c b/drivers/net/lance.c
index dcda30338b6..7b2c42992c3 100644
--- a/drivers/net/lance.c
+++ b/drivers/net/lance.c
@@ -755,7 +755,7 @@ lance_open(struct net_device *dev)
 	int i;
 
 	if (dev->irq == 0 ||
-		request_irq(dev->irq, &lance_interrupt, 0, lp->name, dev)) {
+		request_irq(dev->irq, lance_interrupt, 0, lp->name, dev)) {
 		return -EAGAIN;
 	}
 
diff --git a/drivers/net/lib82596.c b/drivers/net/lib82596.c
index 5b24c67de25..7a07430206e 100644
--- a/drivers/net/lib82596.c
+++ b/drivers/net/lib82596.c
@@ -588,7 +588,7 @@ static int init_i596_mem(struct net_device *dev)
 			     "%s: i82596 initialization successful\n",
 			     dev->name));
 
-	if (request_irq(dev->irq, &i596_interrupt, 0, "i82596", dev)) {
+	if (request_irq(dev->irq, i596_interrupt, 0, "i82596", dev)) {
 		printk(KERN_ERR "%s: IRQ %d not free\n", dev->name, dev->irq);
 		goto failed;
 	}
diff --git a/drivers/net/lp486e.c b/drivers/net/lp486e.c
index cc3ed9cf28b..e20fefc73c8 100644
--- a/drivers/net/lp486e.c
+++ b/drivers/net/lp486e.c
@@ -845,7 +845,7 @@ static int i596_open(struct net_device *dev)
 {
 	int i;
 
-	i = request_irq(dev->irq, &i596_interrupt, IRQF_SHARED, dev->name, dev);
+	i = request_irq(dev->irq, i596_interrupt, IRQF_SHARED, dev->name, dev);
 	if (i) {
 		printk(KERN_ERR "%s: IRQ %d not free\n", dev->name, dev->irq);
 		return i;
diff --git a/drivers/net/mac89x0.c b/drivers/net/mac89x0.c
index 149e0ed4a05..c244ec34fc4 100644
--- a/drivers/net/mac89x0.c
+++ b/drivers/net/mac89x0.c
@@ -337,7 +337,7 @@ net_open(struct net_device *dev)
 	writereg(dev, PP_BusCTL, readreg(dev, PP_BusCTL) & ~ENABLE_IRQ);
 
 	/* Grab the interrupt */
-	if (request_irq(dev->irq, &net_interrupt, 0, "cs89x0", dev))
+	if (request_irq(dev->irq, net_interrupt, 0, "cs89x0", dev))
 		return -EAGAIN;
 
 	/* Set up the IRQ - Apparently magic */
diff --git a/drivers/net/macsonic.c b/drivers/net/macsonic.c
index b3d7d8d77f4..875d361fb79 100644
--- a/drivers/net/macsonic.c
+++ b/drivers/net/macsonic.c
@@ -140,7 +140,7 @@ static irqreturn_t macsonic_interrupt(int irq, void *dev_id)
 
 static int macsonic_open(struct net_device* dev)
 {
-	if (request_irq(dev->irq, &sonic_interrupt, IRQ_FLG_FAST, "sonic", dev)) {
+	if (request_irq(dev->irq, sonic_interrupt, IRQ_FLG_FAST, "sonic", dev)) {
 		printk(KERN_ERR "%s: unable to get IRQ %d.\n", dev->name, dev->irq);
 		return -EAGAIN;
 	}
@@ -149,7 +149,7 @@ static int macsonic_open(struct net_device* dev)
 	 * rupt as well, which must prevent re-entrance of the sonic handler.
 	 */
 	if (dev->irq == IRQ_AUTO_3)
-		if (request_irq(IRQ_NUBUS_9, &macsonic_interrupt, IRQ_FLG_FAST, "sonic", dev)) {
+		if (request_irq(IRQ_NUBUS_9, macsonic_interrupt, IRQ_FLG_FAST, "sonic", dev)) {
 			printk(KERN_ERR "%s: unable to get IRQ %d.\n", dev->name, IRQ_NUBUS_9);
 			free_irq(dev->irq, dev);
 			return -EAGAIN;
diff --git a/drivers/net/mipsnet.c b/drivers/net/mipsnet.c
index 8ea98bd89ff..8e9704f5c12 100644
--- a/drivers/net/mipsnet.c
+++ b/drivers/net/mipsnet.c
@@ -211,7 +211,7 @@ static int mipsnet_open(struct net_device *dev)
 {
 	int err;
 
-	err = request_irq(dev->irq, &mipsnet_interrupt,
+	err = request_irq(dev->irq, mipsnet_interrupt,
 			  IRQF_SHARED, dev->name, (void *) dev);
 	if (err) {
 		release_region(dev->base_addr, sizeof(struct mipsnet_regs));
diff --git a/drivers/net/myri_sbus.c b/drivers/net/myri_sbus.c
index 29ebebc6a95..b3513ad3b70 100644
--- a/drivers/net/myri_sbus.c
+++ b/drivers/net/myri_sbus.c
@@ -1084,7 +1084,7 @@ static int __devinit myri_sbus_probe(struct of_device *op, const struct of_devic
 
 	/* Register interrupt handler now. */
 	DET(("Requesting MYRIcom IRQ line.\n"));
-	if (request_irq(dev->irq, &myri_interrupt,
+	if (request_irq(dev->irq, myri_interrupt,
 			IRQF_SHARED, "MyriCOM Ethernet", (void *) dev)) {
 		printk("MyriCOM: Cannot register interrupt handler.\n");
 		goto err;
diff --git a/drivers/net/natsemi.c b/drivers/net/natsemi.c
index b2722c44337..9a8d3ab4709 100644
--- a/drivers/net/natsemi.c
+++ b/drivers/net/natsemi.c
@@ -1535,7 +1535,7 @@ static int netdev_open(struct net_device *dev)
 	/* Reset the chip, just in case. */
 	natsemi_reset(dev);
 
-	i = request_irq(dev->irq, &intr_handler, IRQF_SHARED, dev->name, dev);
+	i = request_irq(dev->irq, intr_handler, IRQF_SHARED, dev->name, dev);
 	if (i) return i;
 
 	if (netif_msg_ifup(np))
diff --git a/drivers/net/netx-eth.c b/drivers/net/netx-eth.c
index a0d65f592a1..64770298c4f 100644
--- a/drivers/net/netx-eth.c
+++ b/drivers/net/netx-eth.c
@@ -212,7 +212,7 @@ static int netx_eth_open(struct net_device *ndev)
 	struct netx_eth_priv *priv = netdev_priv(ndev);
 
 	if (request_irq
-	    (ndev->irq, &netx_eth_interrupt, IRQF_SHARED, ndev->name, ndev))
+	    (ndev->irq, netx_eth_interrupt, IRQF_SHARED, ndev->name, ndev))
 		return -EAGAIN;
 
 	writel(ndev->dev_addr[0] |
diff --git a/drivers/net/ni5010.c b/drivers/net/ni5010.c
index 462d20f2643..6a87d810e59 100644
--- a/drivers/net/ni5010.c
+++ b/drivers/net/ni5010.c
@@ -377,7 +377,7 @@ static int ni5010_open(struct net_device *dev)
 
 	PRINTK2((KERN_DEBUG "%s: entering ni5010_open()\n", dev->name));
 
-	if (request_irq(dev->irq, &ni5010_interrupt, 0, boardname, dev)) {
+	if (request_irq(dev->irq, ni5010_interrupt, 0, boardname, dev)) {
 		printk(KERN_WARNING "%s: Cannot get irq %#2x\n", dev->name, dev->irq);
 		return -EAGAIN;
 	}
diff --git a/drivers/net/ni52.c b/drivers/net/ni52.c
index aad3b370c56..305f4ba3699 100644
--- a/drivers/net/ni52.c
+++ b/drivers/net/ni52.c
@@ -284,7 +284,7 @@ static int ni52_open(struct net_device *dev)
 	startrecv586(dev);
 	ni_enaint();
 
-	ret = request_irq(dev->irq, &ni52_interrupt, 0, dev->name, dev);
+	ret = request_irq(dev->irq, ni52_interrupt, 0, dev->name, dev);
 	if (ret) {
 		ni_reset586();
 		return ret;
diff --git a/drivers/net/ni65.c b/drivers/net/ni65.c
index 752c2e4d9cf..ae19aafd2c7 100644
--- a/drivers/net/ni65.c
+++ b/drivers/net/ni65.c
@@ -294,7 +294,7 @@ static void ni65_set_performance(struct priv *p)
 static int ni65_open(struct net_device *dev)
 {
 	struct priv *p = dev->ml_priv;
-	int irqval = request_irq(dev->irq, &ni65_interrupt,0,
+	int irqval = request_irq(dev->irq, ni65_interrupt,0,
                         cards[p->cardno].cardname,dev);
 	if (irqval) {
 		printk(KERN_ERR "%s: unable to get IRQ %d (irqval=%d).\n",
diff --git a/drivers/net/pasemi_mac.c b/drivers/net/pasemi_mac.c
index c254a7f5b9f..1673eb045e1 100644
--- a/drivers/net/pasemi_mac.c
+++ b/drivers/net/pasemi_mac.c
@@ -1216,7 +1216,7 @@ static int pasemi_mac_open(struct net_device *dev)
 	snprintf(mac->tx_irq_name, sizeof(mac->tx_irq_name), "%s tx",
 		 dev->name);
 
-	ret = request_irq(mac->tx->chan.irq, &pasemi_mac_tx_intr, IRQF_DISABLED,
+	ret = request_irq(mac->tx->chan.irq, pasemi_mac_tx_intr, IRQF_DISABLED,
 			  mac->tx_irq_name, mac->tx);
 	if (ret) {
 		dev_err(&mac->pdev->dev, "request_irq of irq %d failed: %d\n",
@@ -1227,7 +1227,7 @@ static int pasemi_mac_open(struct net_device *dev)
 	snprintf(mac->rx_irq_name, sizeof(mac->rx_irq_name), "%s rx",
 		 dev->name);
 
-	ret = request_irq(mac->rx->chan.irq, &pasemi_mac_rx_intr, IRQF_DISABLED,
+	ret = request_irq(mac->rx->chan.irq, pasemi_mac_rx_intr, IRQF_DISABLED,
 			  mac->rx_irq_name, mac->rx);
 	if (ret) {
 		dev_err(&mac->pdev->dev, "request_irq of irq %d failed: %d\n",
diff --git a/drivers/net/pcnet32.c b/drivers/net/pcnet32.c
index c1b3f09f452..076f23a1051 100644
--- a/drivers/net/pcnet32.c
+++ b/drivers/net/pcnet32.c
@@ -2095,7 +2095,7 @@ static int pcnet32_open(struct net_device *dev)
 	int rc;
 	unsigned long flags;
 
-	if (request_irq(dev->irq, &pcnet32_interrupt,
+	if (request_irq(dev->irq, pcnet32_interrupt,
 			lp->shared_irq ? IRQF_SHARED : 0, dev->name,
 			(void *)dev)) {
 		return -EAGAIN;
diff --git a/drivers/net/s6gmac.c b/drivers/net/s6gmac.c
index 4525cbe8dd6..d81706e91aa 100644
--- a/drivers/net/s6gmac.c
+++ b/drivers/net/s6gmac.c
@@ -984,7 +984,7 @@ static int __devinit s6gmac_probe(struct platform_device *pdev)
 	pd->rx_dma = DMA_MASK_DMAC(i);
 	pd->rx_chan = DMA_INDEX_CHNL(i);
 	pd->io = platform_get_resource(pdev, IORESOURCE_IO, 0)->start;
-	res = request_irq(dev->irq, &s6gmac_interrupt, 0, dev->name, dev);
+	res = request_irq(dev->irq, s6gmac_interrupt, 0, dev->name, dev);
 	if (res) {
 		printk(KERN_ERR DRV_PRMT "irq request failed: %d\n", dev->irq);
 		goto errirq;
diff --git a/drivers/net/sb1000.c b/drivers/net/sb1000.c
index c9c70ab0cce..9f83a119737 100644
--- a/drivers/net/sb1000.c
+++ b/drivers/net/sb1000.c
@@ -973,7 +973,7 @@ sb1000_open(struct net_device *dev)
 	lp->rx_frame_id[1] = 0;
 	lp->rx_frame_id[2] = 0;
 	lp->rx_frame_id[3] = 0;
-	if (request_irq(dev->irq, &sb1000_interrupt, 0, "sb1000", dev)) {
+	if (request_irq(dev->irq, sb1000_interrupt, 0, "sb1000", dev)) {
 		return -EAGAIN;
 	}
 
diff --git a/drivers/net/sb1250-mac.c b/drivers/net/sb1250-mac.c
index 7269a875326..564d4d7f855 100644
--- a/drivers/net/sb1250-mac.c
+++ b/drivers/net/sb1250-mac.c
@@ -2410,7 +2410,7 @@ static int sbmac_open(struct net_device *dev)
 	 */
 
 	__raw_readq(sc->sbm_isr);
-	err = request_irq(dev->irq, &sbmac_intr, IRQF_SHARED, dev->name, dev);
+	err = request_irq(dev->irq, sbmac_intr, IRQF_SHARED, dev->name, dev);
 	if (err) {
 		printk(KERN_ERR "%s: unable to get IRQ %d\n", dev->name,
 		       dev->irq);
diff --git a/drivers/net/seeq8005.c b/drivers/net/seeq8005.c
index 39246d457ac..fe806bd9b95 100644
--- a/drivers/net/seeq8005.c
+++ b/drivers/net/seeq8005.c
@@ -335,7 +335,7 @@ static int __init seeq8005_probe1(struct net_device *dev, int ioaddr)
 
 #if 0
 	{
-		 int irqval = request_irq(dev->irq, &seeq8005_interrupt, 0, "seeq8005", dev);
+		 int irqval = request_irq(dev->irq, seeq8005_interrupt, 0, "seeq8005", dev);
 		 if (irqval) {
 			 printk ("%s: unable to get IRQ %d (irqval=%d).\n", dev->name,
 					 dev->irq, irqval);
@@ -367,7 +367,7 @@ static int seeq8005_open(struct net_device *dev)
 	struct net_local *lp = netdev_priv(dev);
 
 	{
-		 int irqval = request_irq(dev->irq, &seeq8005_interrupt, 0, "seeq8005", dev);
+		 int irqval = request_irq(dev->irq, seeq8005_interrupt, 0, "seeq8005", dev);
 		 if (irqval) {
 			 printk ("%s: unable to get IRQ %d (irqval=%d).\n", dev->name,
 					 dev->irq, irqval);
diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c
index 5783f50d18e..c88bc101304 100644
--- a/drivers/net/sh_eth.c
+++ b/drivers/net/sh_eth.c
@@ -1016,7 +1016,7 @@ static int sh_eth_open(struct net_device *ndev)
 
 	pm_runtime_get_sync(&mdp->pdev->dev);
 
-	ret = request_irq(ndev->irq, &sh_eth_interrupt,
+	ret = request_irq(ndev->irq, sh_eth_interrupt,
 #if defined(CONFIG_CPU_SUBTYPE_SH7763) || defined(CONFIG_CPU_SUBTYPE_SH7764)
 				IRQF_SHARED,
 #else
diff --git a/drivers/net/sis900.c b/drivers/net/sis900.c
index c072f7f36ac..9a12d88ac2d 100644
--- a/drivers/net/sis900.c
+++ b/drivers/net/sis900.c
@@ -1016,7 +1016,7 @@ sis900_open(struct net_device *net_dev)
 	/* Equalizer workaround Rule */
 	sis630_set_eq(net_dev, sis_priv->chipset_rev);
 
-	ret = request_irq(net_dev->irq, &sis900_interrupt, IRQF_SHARED,
+	ret = request_irq(net_dev->irq, sis900_interrupt, IRQF_SHARED,
 						net_dev->name, net_dev);
 	if (ret)
 		return ret;
diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c
index 2a6b6de9533..44ebbaa7457 100644
--- a/drivers/net/smc911x.c
+++ b/drivers/net/smc911x.c
@@ -1984,7 +1984,7 @@ static int __devinit smc911x_probe(struct net_device *dev)
 #endif
 
 	/* Grab the IRQ */
-	retval = request_irq(dev->irq, &smc911x_interrupt,
+	retval = request_irq(dev->irq, smc911x_interrupt,
 			     irq_flags, dev->name, dev);
 	if (retval)
 		goto err_out;
diff --git a/drivers/net/smc9194.c b/drivers/net/smc9194.c
index 934a1201282..8371b82323a 100644
--- a/drivers/net/smc9194.c
+++ b/drivers/net/smc9194.c
@@ -1050,7 +1050,7 @@ static int __init smc_probe(struct net_device *dev, int ioaddr)
 	memset(netdev_priv(dev), 0, sizeof(struct smc_local));
 
 	/* Grab the IRQ */
-      	retval = request_irq(dev->irq, &smc_interrupt, 0, DRV_NAME, dev);
+      	retval = request_irq(dev->irq, smc_interrupt, 0, DRV_NAME, dev);
       	if (retval) {
 		printk("%s: unable to get IRQ %d (irqval=%d).\n", DRV_NAME,
 			dev->irq, retval);
diff --git a/drivers/net/smc91x.c b/drivers/net/smc91x.c
index 05c91ee6921..0b56ab468d2 100644
--- a/drivers/net/smc91x.c
+++ b/drivers/net/smc91x.c
@@ -2031,7 +2031,7 @@ static int __devinit smc_probe(struct net_device *dev, void __iomem *ioaddr,
 	}
 
 	/* Grab the IRQ */
-	retval = request_irq(dev->irq, &smc_interrupt, irq_flags, dev->name, dev);
+	retval = request_irq(dev->irq, smc_interrupt, irq_flags, dev->name, dev);
       	if (retval)
       		goto err_out;
 
diff --git a/drivers/net/starfire.c b/drivers/net/starfire.c
index a36e2b51e88..aa10158adb9 100644
--- a/drivers/net/starfire.c
+++ b/drivers/net/starfire.c
@@ -928,7 +928,7 @@ static int netdev_open(struct net_device *dev)
 
 	/* Do we ever need to reset the chip??? */
 
-	retval = request_irq(dev->irq, &intr_handler, IRQF_SHARED, dev->name, dev);
+	retval = request_irq(dev->irq, intr_handler, IRQF_SHARED, dev->name, dev);
 	if (retval)
 		return retval;
 
diff --git a/drivers/net/stmmac/stmmac_main.c b/drivers/net/stmmac/stmmac_main.c
index c2f14dc9ba2..e961e7593c1 100644
--- a/drivers/net/stmmac/stmmac_main.c
+++ b/drivers/net/stmmac/stmmac_main.c
@@ -1022,7 +1022,7 @@ static int stmmac_open(struct net_device *dev)
 	}
 
 	/* Request the IRQ lines */
-	ret = request_irq(dev->irq, &stmmac_interrupt,
+	ret = request_irq(dev->irq, stmmac_interrupt,
 			  IRQF_SHARED, dev->name, dev);
 	if (unlikely(ret < 0)) {
 		pr_err("%s: ERROR: allocating the IRQ %d (error: %d)\n",
diff --git a/drivers/net/sun3_82586.c b/drivers/net/sun3_82586.c
index 2f1eaaf7a72..b447a871942 100644
--- a/drivers/net/sun3_82586.c
+++ b/drivers/net/sun3_82586.c
@@ -191,7 +191,7 @@ static int sun3_82586_open(struct net_device *dev)
 	startrecv586(dev);
 	sun3_enaint();
 
-	ret = request_irq(dev->irq, &sun3_82586_interrupt,0,dev->name,dev);
+	ret = request_irq(dev->irq, sun3_82586_interrupt,0,dev->name,dev);
 	if (ret)
 	{
 		sun3_reset586();
diff --git a/drivers/net/sunbmac.c b/drivers/net/sunbmac.c
index 536cf7e06bf..25e81ebd9cd 100644
--- a/drivers/net/sunbmac.c
+++ b/drivers/net/sunbmac.c
@@ -919,7 +919,7 @@ static int bigmac_open(struct net_device *dev)
 	struct bigmac *bp = netdev_priv(dev);
 	int ret;
 
-	ret = request_irq(dev->irq, &bigmac_interrupt, IRQF_SHARED, dev->name, bp);
+	ret = request_irq(dev->irq, bigmac_interrupt, IRQF_SHARED, dev->name, bp);
 	if (ret) {
 		printk(KERN_ERR "BIGMAC: Can't order irq %d to go.\n", dev->irq);
 		return ret;
diff --git a/drivers/net/sundance.c b/drivers/net/sundance.c
index e13685a570f..5c396c2e6e7 100644
--- a/drivers/net/sundance.c
+++ b/drivers/net/sundance.c
@@ -819,7 +819,7 @@ static int netdev_open(struct net_device *dev)
 
 	/* Do we need to reset the chip??? */
 
-	i = request_irq(dev->irq, &intr_handler, IRQF_SHARED, dev->name, dev);
+	i = request_irq(dev->irq, intr_handler, IRQF_SHARED, dev->name, dev);
 	if (i)
 		return i;
 
diff --git a/drivers/net/sunhme.c b/drivers/net/sunhme.c
index 37d721bbdb3..1f842a78acd 100644
--- a/drivers/net/sunhme.c
+++ b/drivers/net/sunhme.c
@@ -2184,7 +2184,7 @@ static int happy_meal_open(struct net_device *dev)
 	 * into a single source which we register handling at probe time.
 	 */
 	if ((hp->happy_flags & (HFLAG_QUATTRO|HFLAG_PCI)) != HFLAG_QUATTRO) {
-		if (request_irq(dev->irq, &happy_meal_interrupt,
+		if (request_irq(dev->irq, happy_meal_interrupt,
 				IRQF_SHARED, dev->name, (void *)dev)) {
 			HMD(("EAGAIN\n"));
 			printk(KERN_ERR "happy_meal(SBUS): Can't order irq %d to go.\n",
diff --git a/drivers/net/sunlance.c b/drivers/net/sunlance.c
index 9d6fd4760ea..64e7d08c878 100644
--- a/drivers/net/sunlance.c
+++ b/drivers/net/sunlance.c
@@ -923,7 +923,7 @@ static int lance_open(struct net_device *dev)
 
 	STOP_LANCE(lp);
 
-	if (request_irq(dev->irq, &lance_interrupt, IRQF_SHARED,
+	if (request_irq(dev->irq, lance_interrupt, IRQF_SHARED,
 			lancestr, (void *) dev)) {
 		printk(KERN_ERR "Lance: Can't get irq %d\n", dev->irq);
 		return -EAGAIN;
diff --git a/drivers/net/sunqe.c b/drivers/net/sunqe.c
index dcefb608a9f..45c383f285e 100644
--- a/drivers/net/sunqe.c
+++ b/drivers/net/sunqe.c
@@ -807,7 +807,7 @@ static struct sunqec * __devinit get_qec(struct of_device *child)
 
 			qec_init_once(qecp, op);
 
-			if (request_irq(op->irqs[0], &qec_interrupt,
+			if (request_irq(op->irqs[0], qec_interrupt,
 					IRQF_SHARED, "qec", (void *) qecp)) {
 				printk(KERN_ERR "qec: Can't register irq.\n");
 				goto fail;
diff --git a/drivers/net/tc35815.c b/drivers/net/tc35815.c
index 6572e8a5452..75a669d48e5 100644
--- a/drivers/net/tc35815.c
+++ b/drivers/net/tc35815.c
@@ -1248,7 +1248,7 @@ tc35815_open(struct net_device *dev)
 	 * This is used if the interrupt line can turned off (shared).
 	 * See 3c503.c for an example of selecting the IRQ at config-time.
 	 */
-	if (request_irq(dev->irq, &tc35815_interrupt, IRQF_SHARED,
+	if (request_irq(dev->irq, tc35815_interrupt, IRQF_SHARED,
 			dev->name, dev))
 		return -EAGAIN;
 
diff --git a/drivers/net/tehuti.c b/drivers/net/tehuti.c
index 492bff68bf2..2fbac31767f 100644
--- a/drivers/net/tehuti.c
+++ b/drivers/net/tehuti.c
@@ -420,7 +420,7 @@ static int bdx_hw_start(struct bdx_priv *priv)
 		  GMAC_RX_FILTER_AM | GMAC_RX_FILTER_AB);
 
 #define BDX_IRQ_TYPE	((priv->nic->irq_type == IRQ_MSI)?0:IRQF_SHARED)
-	if ((rc = request_irq(priv->pdev->irq, &bdx_isr_napi, BDX_IRQ_TYPE,
+	if ((rc = request_irq(priv->pdev->irq, bdx_isr_napi, BDX_IRQ_TYPE,
 			 ndev->name, ndev)))
 		goto err_irq;
 	bdx_enable_interrupts(priv);
diff --git a/drivers/net/tokenring/ibmtr.c b/drivers/net/tokenring/ibmtr.c
index 75fa32e34fd..5db0270957a 100644
--- a/drivers/net/tokenring/ibmtr.c
+++ b/drivers/net/tokenring/ibmtr.c
@@ -680,7 +680,7 @@ static int __devinit ibmtr_probe1(struct net_device *dev, int PIOaddr)
 
 	/* The PCMCIA has already got the interrupt line and the io port, 
 	   so no chance of anybody else getting it - MLP */
-	if (request_irq(dev->irq = irq, &tok_interrupt, 0, "ibmtr", dev) != 0) {
+	if (request_irq(dev->irq = irq, tok_interrupt, 0, "ibmtr", dev) != 0) {
 		DPRINTK("Could not grab irq %d.  Halting Token Ring driver.\n",
 					irq);
 		iounmap(t_mmio);
diff --git a/drivers/net/tokenring/lanstreamer.c b/drivers/net/tokenring/lanstreamer.c
index 26dca2b2bdb..7b1fe9412b6 100644
--- a/drivers/net/tokenring/lanstreamer.c
+++ b/drivers/net/tokenring/lanstreamer.c
@@ -596,7 +596,7 @@ static int streamer_open(struct net_device *dev)
 	        rc=streamer_reset(dev);
 	}
 
-	if (request_irq(dev->irq, &streamer_interrupt, IRQF_SHARED, "lanstreamer", dev)) {
+	if (request_irq(dev->irq, streamer_interrupt, IRQF_SHARED, "lanstreamer", dev)) {
 		return -EAGAIN;
 	}
 #if STREAMER_DEBUG
diff --git a/drivers/net/tulip/dmfe.c b/drivers/net/tulip/dmfe.c
index a45ded0538b..ad63621913c 100644
--- a/drivers/net/tulip/dmfe.c
+++ b/drivers/net/tulip/dmfe.c
@@ -543,7 +543,7 @@ static int dmfe_open(struct DEVICE *dev)
 
 	DMFE_DBUG(0, "dmfe_open", 0);
 
-	ret = request_irq(dev->irq, &dmfe_interrupt,
+	ret = request_irq(dev->irq, dmfe_interrupt,
 			  IRQF_SHARED, dev->name, dev);
 	if (ret)
 		return ret;
diff --git a/drivers/net/tulip/tulip_core.c b/drivers/net/tulip/tulip_core.c
index 6b2330e4206..0df983bc03a 100644
--- a/drivers/net/tulip/tulip_core.c
+++ b/drivers/net/tulip/tulip_core.c
@@ -506,7 +506,7 @@ tulip_open(struct net_device *dev)
 
 	tulip_init_ring (dev);
 
-	retval = request_irq(dev->irq, &tulip_interrupt, IRQF_SHARED, dev->name, dev);
+	retval = request_irq(dev->irq, tulip_interrupt, IRQF_SHARED, dev->name, dev);
 	if (retval)
 		goto free_ring;
 
@@ -1782,7 +1782,7 @@ static int tulip_resume(struct pci_dev *pdev)
 		return retval;
 	}
 
-	if ((retval = request_irq(dev->irq, &tulip_interrupt, IRQF_SHARED, dev->name, dev))) {
+	if ((retval = request_irq(dev->irq, tulip_interrupt, IRQF_SHARED, dev->name, dev))) {
 		printk (KERN_ERR "tulip: request_irq failed in resume\n");
 		return retval;
 	}
diff --git a/drivers/net/tulip/uli526x.c b/drivers/net/tulip/uli526x.c
index c457a0ca55a..fa019cabc35 100644
--- a/drivers/net/tulip/uli526x.c
+++ b/drivers/net/tulip/uli526x.c
@@ -461,7 +461,7 @@ static int uli526x_open(struct net_device *dev)
 	/* Initialize ULI526X board */
 	uli526x_init(dev);
 
-	ret = request_irq(dev->irq, &uli526x_interrupt, IRQF_SHARED, dev->name, dev);
+	ret = request_irq(dev->irq, uli526x_interrupt, IRQF_SHARED, dev->name, dev);
 	if (ret)
 		return ret;
 
diff --git a/drivers/net/tulip/winbond-840.c b/drivers/net/tulip/winbond-840.c
index b38d3b7f6e3..1a52729c946 100644
--- a/drivers/net/tulip/winbond-840.c
+++ b/drivers/net/tulip/winbond-840.c
@@ -639,7 +639,7 @@ static int netdev_open(struct net_device *dev)
 	iowrite32(0x00000001, ioaddr + PCIBusCfg);		/* Reset */
 
 	netif_device_detach(dev);
-	i = request_irq(dev->irq, &intr_handler, IRQF_SHARED, dev->name, dev);
+	i = request_irq(dev->irq, intr_handler, IRQF_SHARED, dev->name, dev);
 	if (i)
 		goto out_err;
 
diff --git a/drivers/net/tulip/xircom_cb.c b/drivers/net/tulip/xircom_cb.c
index 0f2ca5980c3..9924c4c7e2d 100644
--- a/drivers/net/tulip/xircom_cb.c
+++ b/drivers/net/tulip/xircom_cb.c
@@ -458,7 +458,7 @@ static int xircom_open(struct net_device *dev)
 	int retval;
 	enter("xircom_open");
 	printk(KERN_INFO "xircom cardbus adaptor found, registering as %s, using irq %i \n",dev->name,dev->irq);
-	retval = request_irq(dev->irq, &xircom_interrupt, IRQF_SHARED, dev->name, dev);
+	retval = request_irq(dev->irq, xircom_interrupt, IRQF_SHARED, dev->name, dev);
 	if (retval) {
 		leave("xircom_open - No IRQ");
 		return retval;
diff --git a/drivers/net/wan/hostess_sv11.c b/drivers/net/wan/hostess_sv11.c
index 15002c3d0d9..74164d29524 100644
--- a/drivers/net/wan/hostess_sv11.c
+++ b/drivers/net/wan/hostess_sv11.c
@@ -218,7 +218,7 @@ static struct z8530_dev *sv11_init(int iobase, int irq)
 	/* We want a fast IRQ for this device. Actually we'd like an even faster
 	   IRQ ;) - This is one driver RtLinux is made for */
 
-	if (request_irq(irq, &z8530_interrupt, IRQF_DISABLED,
+	if (request_irq(irq, z8530_interrupt, IRQF_DISABLED,
 			"Hostess SV11", sv) < 0) {
 		printk(KERN_WARNING "hostess: IRQ %d already in use.\n", irq);
 		goto err_irq;
diff --git a/drivers/net/wan/lmc/lmc_main.c b/drivers/net/wan/lmc/lmc_main.c
index 7ea71b33d2e..2ebe935d105 100644
--- a/drivers/net/wan/lmc/lmc_main.c
+++ b/drivers/net/wan/lmc/lmc_main.c
@@ -1028,7 +1028,7 @@ static int lmc_open(struct net_device *dev)
     lmc_softreset (sc);
 
     /* Since we have to use PCI bus, this should work on x86,alpha,ppc */
-    if (request_irq (dev->irq, &lmc_interrupt, IRQF_SHARED, dev->name, dev)){
+    if (request_irq (dev->irq, lmc_interrupt, IRQF_SHARED, dev->name, dev)){
         printk(KERN_WARNING "%s: could not get irq: %d\n", dev->name, dev->irq);
         lmc_trace(dev, "lmc_open irq failed out");
         return -EAGAIN;
diff --git a/drivers/net/wan/n2.c b/drivers/net/wan/n2.c
index 58c66819f39..5394b51bdb2 100644
--- a/drivers/net/wan/n2.c
+++ b/drivers/net/wan/n2.c
@@ -376,7 +376,7 @@ static int __init n2_run(unsigned long io, unsigned long irq,
 	}
 	card->io = io;
 
-	if (request_irq(irq, &sca_intr, 0, devname, card)) {
+	if (request_irq(irq, sca_intr, 0, devname, card)) {
 		printk(KERN_ERR "n2: could not allocate IRQ\n");
 		n2_destroy_card(card);
 		return(-EBUSY);
diff --git a/drivers/net/wan/sdla.c b/drivers/net/wan/sdla.c
index 2b15a7e40d5..31c41af2246 100644
--- a/drivers/net/wan/sdla.c
+++ b/drivers/net/wan/sdla.c
@@ -1457,7 +1457,7 @@ got_type:
 	}
 
 	err = -EAGAIN;
-	if (request_irq(dev->irq, &sdla_isr, 0, dev->name, dev)) 
+	if (request_irq(dev->irq, sdla_isr, 0, dev->name, dev)) 
 		goto fail;
 
 	if (flp->type == SDLA_S507) {
diff --git a/drivers/net/wan/sealevel.c b/drivers/net/wan/sealevel.c
index 0c525e24b24..3b3ee05bc46 100644
--- a/drivers/net/wan/sealevel.c
+++ b/drivers/net/wan/sealevel.c
@@ -266,7 +266,7 @@ static __init struct slvl_board *slvl_init(int iobase, int irq,
 	/* We want a fast IRQ for this device. Actually we'd like an even faster
 	   IRQ ;) - This is one driver RtLinux is made for */
 
-	if (request_irq(irq, &z8530_interrupt, IRQF_DISABLED,
+	if (request_irq(irq, z8530_interrupt, IRQF_DISABLED,
 			"SeaLevel", dev) < 0) {
 		printk(KERN_WARNING "sealevel: IRQ %d already in use.\n", irq);
 		goto err_request_irq;
diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 9e64dd43a3b..0cb5ecc822a 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -2817,7 +2817,7 @@ static int mwl8k_start(struct ieee80211_hw *hw)
 	struct mwl8k_priv *priv = hw->priv;
 	int rc;
 
-	rc = request_irq(priv->pdev->irq, &mwl8k_interrupt,
+	rc = request_irq(priv->pdev->irq, mwl8k_interrupt,
 			 IRQF_SHARED, MWL8K_NAME, hw);
 	if (rc) {
 		printk(KERN_ERR "%s: failed to register IRQ handler\n",
@@ -3482,7 +3482,7 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
 	iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL);
 	iowrite32(0xffffffff, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK);
 
-	rc = request_irq(priv->pdev->irq, &mwl8k_interrupt,
+	rc = request_irq(priv->pdev->irq, mwl8k_interrupt,
 			 IRQF_SHARED, MWL8K_NAME, hw);
 	if (rc) {
 		printk(KERN_ERR "%s: failed to register IRQ handler\n",
diff --git a/drivers/net/wireless/prism54/islpci_hotplug.c b/drivers/net/wireless/prism54/islpci_hotplug.c
index 83d366258c8..e4f2bb7368f 100644
--- a/drivers/net/wireless/prism54/islpci_hotplug.c
+++ b/drivers/net/wireless/prism54/islpci_hotplug.c
@@ -181,7 +181,7 @@ prism54_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	isl38xx_disable_interrupts(priv->device_base);
 
 	/* request for the interrupt before uploading the firmware */
-	rvalue = request_irq(pdev->irq, &islpci_interrupt,
+	rvalue = request_irq(pdev->irq, islpci_interrupt,
 			     IRQF_SHARED, ndev->name, priv);
 
 	if (rvalue) {
diff --git a/drivers/net/xilinx_emaclite.c b/drivers/net/xilinx_emaclite.c
index 83a044dbd1d..8c777ba4e2b 100644
--- a/drivers/net/xilinx_emaclite.c
+++ b/drivers/net/xilinx_emaclite.c
@@ -660,7 +660,7 @@ static int xemaclite_open(struct net_device *dev)
 	xemaclite_set_mac_address(lp, dev->dev_addr);
 
 	/* Grab the IRQ */
-	retval = request_irq(dev->irq, &xemaclite_interrupt, 0, dev->name, dev);
+	retval = request_irq(dev->irq, xemaclite_interrupt, 0, dev->name, dev);
 	if (retval) {
 		dev_err(&lp->ndev->dev, "Could not allocate interrupt %d\n",
 			dev->irq);
diff --git a/drivers/net/xtsonic.c b/drivers/net/xtsonic.c
index 0c44135c0b1..389ba9df712 100644
--- a/drivers/net/xtsonic.c
+++ b/drivers/net/xtsonic.c
@@ -92,7 +92,7 @@ static unsigned short known_revisions[] =
 
 static int xtsonic_open(struct net_device *dev)
 {
-	if (request_irq(dev->irq,&sonic_interrupt,IRQF_DISABLED,"sonic",dev)) {
+	if (request_irq(dev->irq,sonic_interrupt,IRQF_DISABLED,"sonic",dev)) {
 		printk(KERN_ERR "%s: unable to get IRQ %d.\n",
 		       dev->name, dev->irq);
 		return -EAGAIN;
diff --git a/drivers/net/yellowfin.c b/drivers/net/yellowfin.c
index 40ad0dee040..d831dfca097 100644
--- a/drivers/net/yellowfin.c
+++ b/drivers/net/yellowfin.c
@@ -579,7 +579,7 @@ static int yellowfin_open(struct net_device *dev)
 	/* Reset the chip. */
 	iowrite32(0x80000000, ioaddr + DMACtrl);
 
-	ret = request_irq(dev->irq, &yellowfin_interrupt, IRQF_SHARED, dev->name, dev);
+	ret = request_irq(dev->irq, yellowfin_interrupt, IRQF_SHARED, dev->name, dev);
 	if (ret)
 		return ret;
 
diff --git a/drivers/net/znet.c b/drivers/net/znet.c
index 443c4eee28c..a97d894d26f 100644
--- a/drivers/net/znet.c
+++ b/drivers/net/znet.c
@@ -169,7 +169,7 @@ static int znet_request_resources (struct net_device *dev)
 {
 	struct znet_private *znet = netdev_priv(dev);
 
-	if (request_irq (dev->irq, &znet_interrupt, 0, "ZNet", dev))
+	if (request_irq (dev->irq, znet_interrupt, 0, "ZNet", dev))
 		goto failed;
 	if (request_dma (znet->rx_dma, "ZNet rx"))
 		goto free_irq;
-- 
GitLab


From 0e4817470be8d233fb58b5af7b938185dae94d67 Mon Sep 17 00:00:00 2001
From: Tomas Winkler <tomas.winkler@intel.com>
Date: Wed, 18 Nov 2009 23:29:57 -0800
Subject: [PATCH 1402/1815] iwmc3200top: revamp fw name handling

1. define macro for handling firmware api version
2. add MODULE_FIRMWARE
3. cleanup iwmct_fw_load style

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/misc/iwmc3200top/fw-download.c | 24 ++++++++++--------------
 drivers/misc/iwmc3200top/iwmc3200top.h |  3 +++
 drivers/misc/iwmc3200top/main.c        |  1 +
 3 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/drivers/misc/iwmc3200top/fw-download.c b/drivers/misc/iwmc3200top/fw-download.c
index 33cb693dd37..50d431e469f 100644
--- a/drivers/misc/iwmc3200top/fw-download.c
+++ b/drivers/misc/iwmc3200top/fw-download.c
@@ -291,35 +291,31 @@ static int iwmct_kick_fw(struct iwmct_priv *priv, bool jump)
 
 int iwmct_fw_load(struct iwmct_priv *priv)
 {
-	const struct firmware *raw = NULL;
-	__le32 addr;
-	size_t len;
+	const u8 *fw_name = FW_NAME(FW_API_VER);
+	const struct firmware *raw;
 	const u8 *pdata;
-	const u8 *name = "iwmc3200top.1.fw";
-	int ret = 0;
+	size_t len;
+	__le32 addr;
+	int ret;
 
 	/* clear parser struct */
 	memset(&priv->parser, 0, sizeof(struct iwmct_parser));
-	if (!name) {
-		ret = -EINVAL;
-		goto exit;
-	}
 
 	/* get the firmware */
-	ret = request_firmware(&raw, name, &priv->func->dev);
+	ret = request_firmware(&raw, fw_name, &priv->func->dev);
 	if (ret < 0) {
 		LOG_ERROR(priv, FW_DOWNLOAD, "%s request_firmware failed %d\n",
-			  name, ret);
+			  fw_name, ret);
 		goto exit;
 	}
 
 	if (raw->size < sizeof(struct iwmct_fw_sec_hdr)) {
 		LOG_ERROR(priv, FW_DOWNLOAD, "%s smaller then (%zd) (%zd)\n",
-			  name, sizeof(struct iwmct_fw_sec_hdr), raw->size);
+			  fw_name, sizeof(struct iwmct_fw_sec_hdr), raw->size);
 		goto exit;
 	}
 
-	LOG_INFO(priv, FW_DOWNLOAD, "Read firmware '%s'\n", name);
+	LOG_INFO(priv, FW_DOWNLOAD, "Read firmware '%s'\n", fw_name);
 
 	ret = iwmct_fw_parser_init(priv, raw->data, raw->size, priv->trans_len);
 	if (ret < 0) {
@@ -339,7 +335,7 @@ int iwmct_fw_load(struct iwmct_priv *priv)
 	while (iwmct_parse_next_section(priv, &pdata, &len, &addr)) {
 		if (iwmct_download_section(priv, pdata, len, addr)) {
 			LOG_ERROR(priv, FW_DOWNLOAD,
-				  "%s download section failed\n", name);
+				  "%s download section failed\n", fw_name);
 			ret = -EIO;
 			goto exit;
 		}
diff --git a/drivers/misc/iwmc3200top/iwmc3200top.h b/drivers/misc/iwmc3200top/iwmc3200top.h
index f572fcf177a..43bd510e187 100644
--- a/drivers/misc/iwmc3200top/iwmc3200top.h
+++ b/drivers/misc/iwmc3200top/iwmc3200top.h
@@ -30,6 +30,9 @@
 #include <linux/workqueue.h>
 
 #define DRV_NAME "iwmc3200top"
+#define FW_API_VER 1
+#define _FW_NAME(api) DRV_NAME "." #api ".fw"
+#define FW_NAME(api) _FW_NAME(api)
 
 #define IWMC_SDIO_BLK_SIZE			256
 #define IWMC_DEFAULT_TR_BLK			64
diff --git a/drivers/misc/iwmc3200top/main.c b/drivers/misc/iwmc3200top/main.c
index 02b3dadc8ab..fafcaa481d7 100644
--- a/drivers/misc/iwmc3200top/main.c
+++ b/drivers/misc/iwmc3200top/main.c
@@ -47,6 +47,7 @@ MODULE_DESCRIPTION(DRIVER_DESCRIPTION);
 MODULE_VERSION(DRIVER_VERSION);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR(DRIVER_COPYRIGHT);
+MODULE_FIRMWARE(FW_NAME(FW_API_VER));
 
 /*
  * This workers main task is to wait for OP_OPR_ALIVE
-- 
GitLab


From 386e50cc7d82b3799ea6f53267f04f123ae05afe Mon Sep 17 00:00:00 2001
From: Andrew Hendry <andrew.hendry@gmail.com>
Date: Wed, 18 Nov 2009 23:30:41 -0800
Subject: [PATCH 1403/1815] X25: Enable setting of cause and diagnostic fields

Adds SIOCX25SCAUSEDIAG, allowing X.25 programs to set the cause and
diagnostic fields.

Normally used to indicate status upon closing connections.

Signed-off-by: Andrew Hendry <andrew.hendry@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/x25.h |  1 +
 net/x25/af_x25.c    | 12 ++++++++++++
 net/x25/x25_subr.c  |  6 ++++++
 3 files changed, 19 insertions(+)

diff --git a/include/linux/x25.h b/include/linux/x25.h
index d035e4e87d0..6450a7f1207 100644
--- a/include/linux/x25.h
+++ b/include/linux/x25.h
@@ -25,6 +25,7 @@
 #define SIOCX25SENDCALLACCPT    (SIOCPROTOPRIVATE + 9)
 #define SIOCX25GDTEFACILITIES (SIOCPROTOPRIVATE + 10)
 #define SIOCX25SDTEFACILITIES (SIOCPROTOPRIVATE + 11)
+#define SIOCX25SCAUSEDIAG	(SIOCPROTOPRIVATE + 12)
 
 /*
  *	Values for {get,set}sockopt.
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index 39ce03e07d1..ac7dba46fa3 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -1471,6 +1471,17 @@ static int x25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 			break;
 		}
 
+		case SIOCX25SCAUSEDIAG: {
+			struct x25_causediag causediag;
+			rc = -EFAULT;
+			if (copy_from_user(&causediag, argp, sizeof(causediag)))
+				break;
+			x25->causediag = causediag;
+			rc = 0;
+			break;
+
+		}
+
 		case SIOCX25SCUDMATCHLEN: {
 			struct x25_subaddr sub_addr;
 			rc = -EINVAL;
@@ -1639,6 +1650,7 @@ static int compat_x25_ioctl(struct socket *sock, unsigned int cmd,
 	case SIOCX25GCALLUSERDATA:
 	case SIOCX25SCALLUSERDATA:
 	case SIOCX25GCAUSEDIAG:
+	case SIOCX25SCAUSEDIAG:
 	case SIOCX25SCUDMATCHLEN:
 	case SIOCX25CALLACCPTAPPRV:
 	case SIOCX25SENDCALLACCPT:
diff --git a/net/x25/x25_subr.c b/net/x25/x25_subr.c
index 511a5986af3..352b32d216f 100644
--- a/net/x25/x25_subr.c
+++ b/net/x25/x25_subr.c
@@ -225,6 +225,12 @@ void x25_write_internal(struct sock *sk, int frametype)
 			break;
 
 		case X25_CLEAR_REQUEST:
+			dptr    = skb_put(skb, 3);
+			*dptr++ = frametype;
+			*dptr++ = x25->causediag.cause;
+			*dptr++ = x25->causediag.diagnostic;
+			break;
+
 		case X25_RESET_REQUEST:
 			dptr    = skb_put(skb, 3);
 			*dptr++ = frametype;
-- 
GitLab


From 5be83de54c16944dea9c16c6a5a53c1fa75ed304 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Thu, 19 Nov 2009 00:56:28 +0100
Subject: [PATCH 1404/1815] cfg80211: convert bools into flags

We've accumulated a number of options for wiphys
which make more sense as flags as we keep adding
more. Convert the existing ones.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/regd.c             |  5 +-
 drivers/net/wireless/iwlwifi/iwl-agn.c      |  8 +--
 drivers/net/wireless/iwlwifi/iwl3945-base.c |  6 +-
 drivers/net/wireless/mac80211_hwsim.c       | 18 +++---
 drivers/net/wireless/p54/main.c             |  2 +-
 include/net/cfg80211.h                      | 62 ++++++++++++---------
 net/mac80211/main.c                         |  2 +-
 net/wireless/Kconfig                        |  6 --
 net/wireless/core.c                         | 13 +++--
 net/wireless/nl80211.c                      |  2 +-
 net/wireless/reg.c                          | 13 +++--
 11 files changed, 70 insertions(+), 67 deletions(-)

diff --git a/drivers/net/wireless/ath/regd.c b/drivers/net/wireless/ath/regd.c
index 077bcc142cd..039ac490465 100644
--- a/drivers/net/wireless/ath/regd.c
+++ b/drivers/net/wireless/ath/regd.c
@@ -450,7 +450,7 @@ ath_regd_init_wiphy(struct ath_regulatory *reg,
 	const struct ieee80211_regdomain *regd;
 
 	wiphy->reg_notifier = reg_notifier;
-	wiphy->strict_regulatory = true;
+	wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY;
 
 	if (ath_is_world_regd(reg)) {
 		/*
@@ -458,8 +458,7 @@ ath_regd_init_wiphy(struct ath_regulatory *reg,
 		 * saved on the wiphy orig_* parameters
 		 */
 		regd = ath_world_regdomain(reg);
-		wiphy->custom_regulatory = true;
-		wiphy->strict_regulatory = false;
+		wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
 	} else {
 		/*
 		 * This gets applied in the case of the absense of CRDA,
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index b80cd0bc584..e8f405a01e3 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -2400,16 +2400,14 @@ static int iwl_setup_mac(struct iwl_priv *priv)
 		BIT(NL80211_IFTYPE_STATION) |
 		BIT(NL80211_IFTYPE_ADHOC);
 
-	hw->wiphy->custom_regulatory = true;
-
-	/* Firmware does not support this */
-	hw->wiphy->disable_beacon_hints = true;
+	hw->wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY |
+			    WIPHY_FLAG_DISABLE_BEACON_HINTS;
 
 	/*
 	 * For now, disable PS by default because it affects
 	 * RX performance significantly.
 	 */
-	hw->wiphy->ps_default = false;
+	hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
 
 	hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
 	/* we create the 802.11 header and a zero-length SSID element */
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 31f3c42b835..5b7e80e5bab 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -3904,10 +3904,8 @@ static int iwl3945_setup_mac(struct iwl_priv *priv)
 		BIT(NL80211_IFTYPE_STATION) |
 		BIT(NL80211_IFTYPE_ADHOC);
 
-	hw->wiphy->custom_regulatory = true;
-
-	/* Firmware does not support this */
-	hw->wiphy->disable_beacon_hints = true;
+	hw->wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY |
+			    WIPHY_FLAG_DISABLE_BEACON_HINTS;
 
 	hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX_3945;
 	/* we create the 802.11 header and a zero-length SSID element */
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index fc4ec48eda1..88e41176e7f 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -1146,46 +1146,46 @@ static int __init init_mac80211_hwsim(void)
 			break;
 		case HWSIM_REGTEST_WORLD_ROAM:
 			if (i == 0) {
-				hw->wiphy->custom_regulatory = true;
+				hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
 				wiphy_apply_custom_regulatory(hw->wiphy,
 					&hwsim_world_regdom_custom_01);
 			}
 			break;
 		case HWSIM_REGTEST_CUSTOM_WORLD:
-			hw->wiphy->custom_regulatory = true;
+			hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
 			wiphy_apply_custom_regulatory(hw->wiphy,
 				&hwsim_world_regdom_custom_01);
 			break;
 		case HWSIM_REGTEST_CUSTOM_WORLD_2:
 			if (i == 0) {
-				hw->wiphy->custom_regulatory = true;
+				hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
 				wiphy_apply_custom_regulatory(hw->wiphy,
 					&hwsim_world_regdom_custom_01);
 			} else if (i == 1) {
-				hw->wiphy->custom_regulatory = true;
+				hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
 				wiphy_apply_custom_regulatory(hw->wiphy,
 					&hwsim_world_regdom_custom_02);
 			}
 			break;
 		case HWSIM_REGTEST_STRICT_ALL:
-			hw->wiphy->strict_regulatory = true;
+			hw->wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY;
 			break;
 		case HWSIM_REGTEST_STRICT_FOLLOW:
 		case HWSIM_REGTEST_STRICT_AND_DRIVER_REG:
 			if (i == 0)
-				hw->wiphy->strict_regulatory = true;
+				hw->wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY;
 			break;
 		case HWSIM_REGTEST_ALL:
 			if (i == 0) {
-				hw->wiphy->custom_regulatory = true;
+				hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
 				wiphy_apply_custom_regulatory(hw->wiphy,
 					&hwsim_world_regdom_custom_01);
 			} else if (i == 1) {
-				hw->wiphy->custom_regulatory = true;
+				hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
 				wiphy_apply_custom_regulatory(hw->wiphy,
 					&hwsim_world_regdom_custom_02);
 			} else if (i == 4)
-				hw->wiphy->strict_regulatory = true;
+				hw->wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY;
 			break;
 		default:
 			break;
diff --git a/drivers/net/wireless/p54/main.c b/drivers/net/wireless/p54/main.c
index 4d486bf9f72..18012dbfb45 100644
--- a/drivers/net/wireless/p54/main.c
+++ b/drivers/net/wireless/p54/main.c
@@ -579,7 +579,7 @@ struct ieee80211_hw *p54_init_common(size_t priv_data_len)
 	 * For now, disable PS by default because it affects
 	 * link stability significantly.
 	 */
-	dev->wiphy->ps_default = false;
+	dev->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
 
 	mutex_init(&priv->conf_mutex);
 	mutex_init(&priv->eeprom_mutex);
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 21710fc17ea..eca36abca8f 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1108,27 +1108,45 @@ struct cfg80211_ops {
  */
 
 /**
- * struct wiphy - wireless hardware description
- * @idx: the wiphy index assigned to this item
- * @class_dev: the class device representing /sys/class/ieee80211/<wiphy-name>
- * @custom_regulatory: tells us the driver for this device
+ * enum wiphy_flags - wiphy capability flags
+ *
+ * @WIPHY_FLAG_CUSTOM_REGULATORY:  tells us the driver for this device
  * 	has its own custom regulatory domain and cannot identify the
  * 	ISO / IEC 3166 alpha2 it belongs to. When this is enabled
  * 	we will disregard the first regulatory hint (when the
  * 	initiator is %REGDOM_SET_BY_CORE).
- * @strict_regulatory: tells us the driver for this device will ignore
- * 	regulatory domain settings until it gets its own regulatory domain
- * 	via its regulatory_hint(). After its gets its own regulatory domain
- * 	it will only allow further regulatory domain settings to further
- * 	enhance compliance. For example if channel 13 and 14 are disabled
- * 	by this regulatory domain no user regulatory domain can enable these
- * 	channels at a later time. This can be used for devices which do not
- * 	have calibration information gauranteed for frequencies or settings
- * 	outside of its regulatory domain.
- * @disable_beacon_hints: enable this if your driver needs to ensure that
- *	passive scan flags and beaconing flags may not be lifted by cfg80211
- *	due to regulatory beacon hints. For more information on beacon
+ * @WIPHY_FLAG_STRICT_REGULATORY: tells us the driver for this device will
+ *	ignore regulatory domain settings until it gets its own regulatory
+ *	domain via its regulatory_hint(). After its gets its own regulatory
+ *	domain it will only allow further regulatory domain settings to
+ *	further enhance compliance. For example if channel 13 and 14 are
+ *	disabled by this regulatory domain no user regulatory domain can
+ *	enable these channels at a later time. This can be used for devices
+ *	which do not have calibration information gauranteed for frequencies
+ *	or settings outside of its regulatory domain.
+ * @WIPHY_FLAG_DISABLE_BEACON_HINTS: enable this if your driver needs to ensure
+ *	that passive scan flags and beaconing flags may not be lifted by
+ *	cfg80211 due to regulatory beacon hints. For more information on beacon
  *	hints read the documenation for regulatory_hint_found_beacon()
+ * @WIPHY_FLAG_NETNS_OK: if not set, do not allow changing the netns of this
+ *	wiphy at all
+ * @WIPHY_FLAG_PS_ON_BY_DEFAULT: if set to true, powersave will be enabled
+ *	by default -- this flag will be set depending on the kernel's default
+ *	on wiphy_new(), but can be changed by the driver if it has a good
+ *	reason to override the default
+ */
+enum wiphy_flags {
+	WIPHY_FLAG_CUSTOM_REGULATORY	= BIT(0),
+	WIPHY_FLAG_STRICT_REGULATORY	= BIT(1),
+	WIPHY_FLAG_DISABLE_BEACON_HINTS	= BIT(2),
+	WIPHY_FLAG_NETNS_OK		= BIT(3),
+	WIPHY_FLAG_PS_ON_BY_DEFAULT	= BIT(4),
+};
+
+/**
+ * struct wiphy - wireless hardware description
+ * @idx: the wiphy index assigned to this item
+ * @class_dev: the class device representing /sys/class/ieee80211/<wiphy-name>
  * @reg_notifier: the driver's regulatory notification callback
  * @regd: the driver's regulatory domain, if one was requested via
  * 	the regulatory_hint() API. This can be used by the driver
@@ -1143,11 +1161,6 @@ struct cfg80211_ops {
  *	-1 = fragmentation disabled, only odd values >= 256 used
  * @rts_threshold: RTS threshold (dot11RTSThreshold); -1 = RTS/CTS disabled
  * @net: the network namespace this wiphy currently lives in
- * @netnsok: if set to false, do not allow changing the netns of this
- *	wiphy at all
- * @ps_default: default for powersave, will be set depending on the
- *	kernel's default on wiphy_new(), but can be changed by the
- *	driver if it has a good reason to override the default
  */
 struct wiphy {
 	/* assign these fields before you register the wiphy */
@@ -1158,12 +1171,7 @@ struct wiphy {
 	/* Supported interface modes, OR together BIT(NL80211_IFTYPE_...) */
 	u16 interface_modes;
 
-	bool custom_regulatory;
-	bool strict_regulatory;
-	bool disable_beacon_hints;
-
-	bool netnsok;
-	bool ps_default;
+	u32 flags;
 
 	enum cfg80211_signal_type signal_type;
 
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index e843a912849..8084b622e97 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -328,7 +328,7 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
 	if (!wiphy)
 		return NULL;
 
-	wiphy->netnsok = true;
+	wiphy->flags |= WIPHY_FLAG_NETNS_OK;
 	wiphy->privid = mac80211_wiphy_privid;
 
 	/* Yes, putting cfg80211_bss into ieee80211_bss is a hack */
diff --git a/net/wireless/Kconfig b/net/wireless/Kconfig
index 614bdcec1c8..90e93a5701a 100644
--- a/net/wireless/Kconfig
+++ b/net/wireless/Kconfig
@@ -74,12 +74,6 @@ config CFG80211_REG_DEBUG
 
 	  If unsure, say N.
 
-config CFG80211_DEFAULT_PS_VALUE
-	int
-	default 1 if CFG80211_DEFAULT_PS
-	default 0
-	depends on CFG80211
-
 config CFG80211_DEFAULT_PS
 	bool "enable powersave by default"
 	depends on CFG80211
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 02835172b22..e2cc6e7522d 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -230,7 +230,7 @@ int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
 	struct wireless_dev *wdev;
 	int err = 0;
 
-	if (!rdev->wiphy.netnsok)
+	if (!(rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK))
 		return -EOPNOTSUPP;
 
 	list_for_each_entry(wdev, &rdev->netdev_list, list) {
@@ -367,7 +367,9 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv)
 	rdev->wiphy.dev.class = &ieee80211_class;
 	rdev->wiphy.dev.platform_data = rdev;
 
-	rdev->wiphy.ps_default = CONFIG_CFG80211_DEFAULT_PS_VALUE;
+#ifdef CONFIG_CFG80211_DEFAULT_PS
+	rdev->wiphy.flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
+#endif
 
 	wiphy_net_set(&rdev->wiphy, &init_net);
 
@@ -482,7 +484,7 @@ int wiphy_register(struct wiphy *wiphy)
 	if (IS_ERR(rdev->wiphy.debugfsdir))
 		rdev->wiphy.debugfsdir = NULL;
 
-	if (wiphy->custom_regulatory) {
+	if (wiphy->flags & WIPHY_FLAG_CUSTOM_REGULATORY) {
 		struct regulatory_request request;
 
 		request.wiphy_idx = get_wiphy_idx(wiphy);
@@ -680,7 +682,10 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
 		wdev->wext.default_key = -1;
 		wdev->wext.default_mgmt_key = -1;
 		wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
-		wdev->wext.ps = wdev->wiphy->ps_default;
+		if (wdev->wiphy->flags & WIPHY_FLAG_PS_ON_BY_DEFAULT)
+			wdev->wext.ps = true;
+		else
+			wdev->wext.ps = false;
 		wdev->wext.ps_timeout = 100;
 		if (rdev->ops->set_power_mgmt)
 			if (rdev->ops->set_power_mgmt(wdev->wiphy, dev,
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 37264d56bac..6634188f945 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -561,7 +561,7 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
 	CMD(deauth, DEAUTHENTICATE);
 	CMD(disassoc, DISASSOCIATE);
 	CMD(join_ibss, JOIN_IBSS);
-	if (dev->wiphy.netnsok) {
+	if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
 		i++;
 		NLA_PUT_U32(msg, i, NL80211_CMD_SET_WIPHY_NETNS);
 	}
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index f256dfffbf4..1f33017737f 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1008,7 +1008,7 @@ static void handle_channel(struct wiphy *wiphy, enum ieee80211_band band,
 
 	if (last_request->initiator == NL80211_REGDOM_SET_BY_DRIVER &&
 	    request_wiphy && request_wiphy == wiphy &&
-	    request_wiphy->strict_regulatory) {
+	    request_wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY) {
 		/*
 		 * This gaurantees the driver's requested regulatory domain
 		 * will always be used as a base for further regulatory
@@ -1051,13 +1051,13 @@ static bool ignore_reg_update(struct wiphy *wiphy,
 	if (!last_request)
 		return true;
 	if (initiator == NL80211_REGDOM_SET_BY_CORE &&
-		  wiphy->custom_regulatory)
+	    wiphy->flags & WIPHY_FLAG_CUSTOM_REGULATORY)
 		return true;
 	/*
 	 * wiphy->regd will be set once the device has its own
 	 * desired regulatory domain set
 	 */
-	if (wiphy->strict_regulatory && !wiphy->regd &&
+	if (wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY && !wiphy->regd &&
 	    !is_world_regdom(last_request->alpha2))
 		return true;
 	return false;
@@ -1093,7 +1093,7 @@ static void handle_reg_beacon(struct wiphy *wiphy,
 
 	chan->beacon_found = true;
 
-	if (wiphy->disable_beacon_hints)
+	if (wiphy->flags & WIPHY_FLAG_DISABLE_BEACON_HINTS)
 		return;
 
 	chan_before.center_freq = chan->center_freq;
@@ -1164,7 +1164,7 @@ static bool reg_is_world_roaming(struct wiphy *wiphy)
 		return true;
 	if (last_request &&
 	    last_request->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE &&
-	    wiphy->custom_regulatory)
+	    wiphy->flags & WIPHY_FLAG_CUSTOM_REGULATORY)
 		return true;
 	return false;
 }
@@ -1591,7 +1591,8 @@ static void reg_process_hint(struct regulatory_request *reg_request)
 
 	r = __regulatory_hint(wiphy, reg_request);
 	/* This is required so that the orig_* parameters are saved */
-	if (r == -EALREADY && wiphy && wiphy->strict_regulatory)
+	if (r == -EALREADY && wiphy &&
+	    wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY)
 		wiphy_update_regulatory(wiphy, reg_request->initiator);
 out:
 	mutex_unlock(&reg_mutex);
-- 
GitLab


From 9bc383de37090ba7ca3ff32a12c9d809dc5867f0 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Thu, 19 Nov 2009 11:55:19 +0100
Subject: [PATCH 1405/1815] cfg80211: introduce capability for 4addr mode

It's very likely that not many devices will support
four-address mode in station or AP mode so introduce
capability bits for both modes, set them in mac80211
and check them when userspace tries to use the mode.
Also, keep track of 4addr in cfg80211 (wireless_dev)
and not in mac80211 any more. mac80211 can also be
improved for the VLAN case by not looking at the
4addr flag but maintaining the station pointer for
it correctly. However, keep track of use_4addr for
station mode in mac80211 to avoid all the derefs.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 include/net/cfg80211.h     | 11 +++++++++++
 net/mac80211/cfg.c         | 21 ++++++++-------------
 net/mac80211/ieee80211_i.h |  4 ++--
 net/mac80211/iface.c       | 12 ++++++++----
 net/mac80211/main.c        |  4 +++-
 net/mac80211/rx.c          | 14 +++++++++-----
 net/mac80211/tx.c          |  7 +++----
 net/wireless/nl80211.c     | 34 +++++++++++++++++++++++++++++++++-
 net/wireless/util.c        |  5 +++++
 9 files changed, 82 insertions(+), 30 deletions(-)

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index eca36abca8f..d1e05aeb0c0 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1134,6 +1134,9 @@ struct cfg80211_ops {
  *	by default -- this flag will be set depending on the kernel's default
  *	on wiphy_new(), but can be changed by the driver if it has a good
  *	reason to override the default
+ * @WIPHY_FLAG_4ADDR_AP: supports 4addr mode even on AP (with a single station
+ *	on a VLAN interface)
+ * @WIPHY_FLAG_4ADDR_STATION: supports 4addr mode even as a station
  */
 enum wiphy_flags {
 	WIPHY_FLAG_CUSTOM_REGULATORY	= BIT(0),
@@ -1141,6 +1144,8 @@ enum wiphy_flags {
 	WIPHY_FLAG_DISABLE_BEACON_HINTS	= BIT(2),
 	WIPHY_FLAG_NETNS_OK		= BIT(3),
 	WIPHY_FLAG_PS_ON_BY_DEFAULT	= BIT(4),
+	WIPHY_FLAG_4ADDR_AP		= BIT(5),
+	WIPHY_FLAG_4ADDR_STATION	= BIT(6),
 };
 
 /**
@@ -1366,6 +1371,10 @@ struct cfg80211_cached_keys;
  * @ssid_len: (private) Used by the internal configuration code
  * @wext: (private) Used by the internal wireless extensions compat code
  * @wext_bssid: (private) Used by the internal wireless extensions compat code
+ * @use_4addr: indicates 4addr mode is used on this interface, must be
+ *	set by driver (if supported) on add_interface BEFORE registering the
+ *	netdev and may otherwise be used by driver read-only, will be update
+ *	by cfg80211 on change_interface
  */
 struct wireless_dev {
 	struct wiphy *wiphy;
@@ -1379,6 +1388,8 @@ struct wireless_dev {
 
 	struct work_struct cleanup_work;
 
+	bool use_4addr;
+
 	/* currently used for IBSS and SME - might be rearranged later */
 	u8 ssid[IEEE80211_MAX_SSID_LEN];
 	u8 ssid_len;
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 7d591816ed1..c484a882140 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -42,15 +42,6 @@ static bool nl80211_params_check(enum nl80211_iftype type,
 	if (!nl80211_type_check(type))
 		return false;
 
-	if (params->use_4addr > 0) {
-		switch(type) {
-		case NL80211_IFTYPE_AP_VLAN:
-		case NL80211_IFTYPE_STATION:
-			break;
-		default:
-			return false;
-		}
-	}
 	return true;
 }
 
@@ -107,12 +98,16 @@ static int ieee80211_change_iface(struct wiphy *wiphy,
 					    params->mesh_id_len,
 					    params->mesh_id);
 
-	if (params->use_4addr >= 0)
-		sdata->use_4addr = !!params->use_4addr;
-
 	if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
 		return 0;
 
+	if (type == NL80211_IFTYPE_AP_VLAN &&
+	    params && params->use_4addr == 0)
+		rcu_assign_pointer(sdata->u.vlan.sta, NULL);
+	else if (type == NL80211_IFTYPE_STATION &&
+		 params && params->use_4addr >= 0)
+		sdata->u.mgd.use_4addr = params->use_4addr;
+
 	sdata->u.mntr_flags = *flags;
 	return 0;
 }
@@ -827,7 +822,7 @@ static int ieee80211_change_station(struct wiphy *wiphy,
 			return -EINVAL;
 		}
 
-		if (vlansdata->use_4addr) {
+		if (params->vlan->ieee80211_ptr->use_4addr) {
 			if (vlansdata->u.vlan.sta)
 				return -EBUSY;
 
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 87d27f450a0..f13d76c9b57 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -312,6 +312,8 @@ struct ieee80211_if_managed {
 	} mfp; /* management frame protection */
 
 	int wmm_last_param_set;
+
+	u8 use_4addr;
 };
 
 enum ieee80211_ibss_request {
@@ -459,8 +461,6 @@ struct ieee80211_sub_if_data {
 	int force_unicast_rateidx; /* forced TX rateidx for unicast frames */
 	int max_ratectrl_rateidx; /* max TX rateidx for rate control */
 
-	bool use_4addr; /* use 4-address frames */
-
 	union {
 		struct ieee80211_if_ap ap;
 		struct ieee80211_if_wds wds;
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 1f02b0610e8..1bf12a26b45 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -752,7 +752,8 @@ int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
 		ieee80211_mandatory_rates(sdata->local,
 			sdata->local->hw.conf.channel->band);
 	sdata->drop_unencrypted = 0;
-	sdata->use_4addr = 0;
+	if (type == NL80211_IFTYPE_STATION)
+		sdata->u.mgd.use_4addr = false;
 
 	return 0;
 }
@@ -810,6 +811,12 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
 	/* setup type-dependent data */
 	ieee80211_setup_sdata(sdata, type);
 
+	if (params) {
+		ndev->ieee80211_ptr->use_4addr = params->use_4addr;
+		if (type == NL80211_IFTYPE_STATION)
+			sdata->u.mgd.use_4addr = params->use_4addr;
+	}
+
 	ret = register_netdevice(ndev);
 	if (ret)
 		goto fail;
@@ -820,9 +827,6 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
 					    params->mesh_id_len,
 					    params->mesh_id);
 
-	if (params && params->use_4addr >= 0)
-		sdata->use_4addr = !!params->use_4addr;
-
 	mutex_lock(&local->iflist_mtx);
 	list_add_tail_rcu(&sdata->list, &local->interfaces);
 	mutex_unlock(&local->iflist_mtx);
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 8084b622e97..dd8ec8d5e8b 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -328,7 +328,9 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
 	if (!wiphy)
 		return NULL;
 
-	wiphy->flags |= WIPHY_FLAG_NETNS_OK;
+	wiphy->flags |= WIPHY_FLAG_NETNS_OK |
+			WIPHY_FLAG_4ADDR_AP |
+			WIPHY_FLAG_4ADDR_STATION;
 	wiphy->privid = mac80211_wiphy_privid;
 
 	/* Yes, putting cfg80211_bss into ieee80211_bss is a hack */
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 775365f856c..96f13ad05d3 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1192,10 +1192,13 @@ __ieee80211_data_to_8023(struct ieee80211_rx_data *rx)
 	struct net_device *dev = sdata->dev;
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
 
-	if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN && !sdata->use_4addr &&
-	    ieee80211_has_a4(hdr->frame_control))
+	if (ieee80211_has_a4(hdr->frame_control) &&
+	    sdata->vif.type == NL80211_IFTYPE_AP_VLAN && !sdata->u.vlan.sta)
 		return -1;
-	if (sdata->use_4addr && is_multicast_ether_addr(hdr->addr1))
+
+	if (is_multicast_ether_addr(hdr->addr1) &&
+	    ((sdata->vif.type == NL80211_IFTYPE_AP_VLAN && sdata->u.vlan.sta) ||
+	     (sdata->vif.type == NL80211_IFTYPE_STATION && sdata->u.mgd.use_4addr)))
 		return -1;
 
 	return ieee80211_data_to_8023(rx->skb, dev->dev_addr, sdata->vif.type);
@@ -1245,7 +1248,8 @@ ieee80211_deliver_skb(struct ieee80211_rx_data *rx)
 	if ((sdata->vif.type == NL80211_IFTYPE_AP ||
 	     sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
 	    !(sdata->flags & IEEE80211_SDATA_DONT_BRIDGE_PACKETS) &&
-	    (rx->flags & IEEE80211_RX_RA_MATCH) && !rx->sdata->use_4addr) {
+	    (rx->flags & IEEE80211_RX_RA_MATCH) &&
+	    (sdata->vif.type != NL80211_IFTYPE_AP_VLAN || !sdata->u.vlan.sta)) {
 		if (is_multicast_ether_addr(ehdr->h_dest)) {
 			/*
 			 * send multicast frames both to higher layers in
@@ -2007,7 +2011,7 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata,
 
 	switch (sdata->vif.type) {
 	case NL80211_IFTYPE_STATION:
-		if (!bssid && !sdata->use_4addr)
+		if (!bssid && !sdata->u.mgd.use_4addr)
 			return 0;
 		if (!multicast &&
 		    compare_ether_addr(sdata->dev->dev_addr, hdr->addr1) != 0) {
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index b3c1faeb592..5af2f40ea4d 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1051,7 +1051,7 @@ ieee80211_tx_prepare(struct ieee80211_sub_if_data *sdata,
 
 	hdr = (struct ieee80211_hdr *) skb->data;
 
-	if ((sdata->vif.type == NL80211_IFTYPE_AP_VLAN) && sdata->use_4addr)
+	if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
 		tx->sta = rcu_dereference(sdata->u.vlan.sta);
 	if (!tx->sta)
 		tx->sta = sta_info_get(local, hdr->addr1);
@@ -1632,8 +1632,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
 	switch (sdata->vif.type) {
 	case NL80211_IFTYPE_AP_VLAN:
 		rcu_read_lock();
-		if (sdata->use_4addr)
-			sta = rcu_dereference(sdata->u.vlan.sta);
+		sta = rcu_dereference(sdata->u.vlan.sta);
 		if (sta) {
 			fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS);
 			/* RA TA DA SA */
@@ -1727,7 +1726,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
 #endif
 	case NL80211_IFTYPE_STATION:
 		memcpy(hdr.addr1, sdata->u.mgd.bssid, ETH_ALEN);
-		if (sdata->use_4addr && ethertype != ETH_P_PAE) {
+		if (sdata->u.mgd.use_4addr && ethertype != ETH_P_PAE) {
 			fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS);
 			/* RA TA DA SA */
 			memcpy(hdr.addr2, dev->dev_addr, ETH_ALEN);
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 6634188f945..b7b0f67b0c6 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -968,6 +968,28 @@ static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
 	return 0;
 }
 
+static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
+			       u8 use_4addr, enum nl80211_iftype iftype)
+{
+	if (!use_4addr)
+		return 0;
+
+	switch (iftype) {
+	case NL80211_IFTYPE_AP_VLAN:
+		if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
+			return 0;
+		break;
+	case NL80211_IFTYPE_STATION:
+		if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
+			return 0;
+		break;
+	default:
+		break;
+	}
+
+	return -EOPNOTSUPP;
+}
+
 static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
 {
 	struct cfg80211_registered_device *rdev;
@@ -1011,6 +1033,9 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
 	if (info->attrs[NL80211_ATTR_4ADDR]) {
 		params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
 		change = true;
+		err = nl80211_valid_4addr(rdev, params.use_4addr, ntype);
+		if (err)
+			goto unlock;
 	} else {
 		params.use_4addr = -1;
 	}
@@ -1034,6 +1059,9 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
 	else
 		err = 0;
 
+	if (!err && params.use_4addr != -1)
+		dev->ieee80211_ptr->use_4addr = params.use_4addr;
+
  unlock:
 	dev_put(dev);
 	cfg80211_unlock_rdev(rdev);
@@ -1081,8 +1109,12 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
 		params.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
 	}
 
-	if (info->attrs[NL80211_ATTR_4ADDR])
+	if (info->attrs[NL80211_ATTR_4ADDR]) {
 		params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
+		err = nl80211_valid_4addr(rdev, params.use_4addr, type);
+		if (err)
+			goto unlock;
+	}
 
 	err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ?
 				  info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL,
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 5aa39f7cf9b..17a7a4cfc61 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -659,6 +659,8 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
 		return -EOPNOTSUPP;
 
 	if (ntype != otype) {
+		dev->ieee80211_ptr->use_4addr = false;
+
 		switch (otype) {
 		case NL80211_IFTYPE_ADHOC:
 			cfg80211_leave_ibss(rdev, dev, false);
@@ -682,5 +684,8 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
 
 	WARN_ON(!err && dev->ieee80211_ptr->iftype != ntype);
 
+	if (!err && params && params->use_4addr != -1)
+		dev->ieee80211_ptr->use_4addr = params->use_4addr;
+
 	return err;
 }
-- 
GitLab


From ad4bb6f8883a13bb0f65b194dae36c62a02ac779 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Thu, 19 Nov 2009 00:56:30 +0100
Subject: [PATCH 1406/1815] cfg80211: disallow bridging managed/adhoc
 interfaces

A number of people have tried to add a wireless interface
(in managed mode) to a bridge and then complained that it
doesn't work. It cannot work, however, because in 802.11
networks all packets need to be acknowledged and as such
need to be sent to the right address. Promiscuous doesn't
help here. The wireless address format used for these
links has only space for three addresses, the
 * transmitter, which must be equal to the sender (origin)
 * receiver (on the wireless medium), which is the AP in
   the case of managed mode
 * the recipient (destination), which is on the APs local
   network segment

In an IBSS, it is similar, but the receiver and recipient
must match and the third address is used as the BSSID.

To avoid such mistakes in the future, disallow adding a
wireless interface to a bridge.

Felix has recently added a four-address mode to the AP
and client side that can be used (after negotiating that
it is possible, which must happen out-of-band by setting
up both sides) for bridging, so allow that case.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 include/linux/if.h     |  1 +
 net/bridge/br_if.c     |  4 ++++
 net/wireless/core.c    |  4 ++++
 net/wireless/nl80211.c | 12 ++++++++----
 net/wireless/util.c    | 31 +++++++++++++++++++++++++++++++
 5 files changed, 48 insertions(+), 4 deletions(-)

diff --git a/include/linux/if.h b/include/linux/if.h
index 3b2a46bf8f8..3a9f410a296 100644
--- a/include/linux/if.h
+++ b/include/linux/if.h
@@ -70,6 +70,7 @@
 #define IFF_XMIT_DST_RELEASE 0x400	/* dev_hard_start_xmit() is allowed to
 					 * release skb->dst
 					 */
+#define IFF_DONT_BRIDGE 0x800		/* disallow bridging this ether dev */
 
 #define IF_GET_IFACE	0x0001		/* for querying only */
 #define IF_GET_PROTO	0x0002
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index a6f74b2b957..a2cbe61f6e6 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -390,6 +390,10 @@ int br_add_if(struct net_bridge *br, struct net_device *dev)
 	if (dev->br_port != NULL)
 		return -EBUSY;
 
+	/* No bridging devices that dislike that (e.g. wireless) */
+	if (dev->priv_flags & IFF_DONT_BRIDGE)
+		return -EOPNOTSUPP;
+
 	p = new_nbp(br, dev);
 	if (IS_ERR(p))
 		return PTR_ERR(p);
diff --git a/net/wireless/core.c b/net/wireless/core.c
index e2cc6e7522d..fc5e9b50860 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -697,6 +697,10 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
 #endif
 		if (!dev->ethtool_ops)
 			dev->ethtool_ops = &cfg80211_ethtool_ops;
+
+		if ((wdev->iftype == NL80211_IFTYPE_STATION ||
+		     wdev->iftype == NL80211_IFTYPE_ADHOC) && !wdev->use_4addr)
+			dev->priv_flags |= IFF_DONT_BRIDGE;
 		break;
 	case NETDEV_GOING_DOWN:
 		switch (wdev->iftype) {
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index b7b0f67b0c6..149539ade15 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -969,10 +969,14 @@ static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
 }
 
 static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
-			       u8 use_4addr, enum nl80211_iftype iftype)
+			       struct net_device *netdev, u8 use_4addr,
+			       enum nl80211_iftype iftype)
 {
-	if (!use_4addr)
+	if (!use_4addr) {
+		if (netdev && netdev->br_port)
+			return -EBUSY;
 		return 0;
+	}
 
 	switch (iftype) {
 	case NL80211_IFTYPE_AP_VLAN:
@@ -1033,7 +1037,7 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
 	if (info->attrs[NL80211_ATTR_4ADDR]) {
 		params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
 		change = true;
-		err = nl80211_valid_4addr(rdev, params.use_4addr, ntype);
+		err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
 		if (err)
 			goto unlock;
 	} else {
@@ -1111,7 +1115,7 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
 
 	if (info->attrs[NL80211_ATTR_4ADDR]) {
 		params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
-		err = nl80211_valid_4addr(rdev, params.use_4addr, type);
+		err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
 		if (err)
 			goto unlock;
 	}
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 17a7a4cfc61..59361fdcb5d 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -658,6 +658,11 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
 	    !(rdev->wiphy.interface_modes & (1 << ntype)))
 		return -EOPNOTSUPP;
 
+	/* if it's part of a bridge, reject changing type to station/ibss */
+	if (dev->br_port && (ntype == NL80211_IFTYPE_ADHOC ||
+			     ntype == NL80211_IFTYPE_STATION))
+		return -EBUSY;
+
 	if (ntype != otype) {
 		dev->ieee80211_ptr->use_4addr = false;
 
@@ -687,5 +692,31 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
 	if (!err && params && params->use_4addr != -1)
 		dev->ieee80211_ptr->use_4addr = params->use_4addr;
 
+	if (!err) {
+		dev->priv_flags &= ~IFF_DONT_BRIDGE;
+		switch (ntype) {
+		case NL80211_IFTYPE_STATION:
+			if (dev->ieee80211_ptr->use_4addr)
+				break;
+			/* fall through */
+		case NL80211_IFTYPE_ADHOC:
+			dev->priv_flags |= IFF_DONT_BRIDGE;
+			break;
+		case NL80211_IFTYPE_AP:
+		case NL80211_IFTYPE_AP_VLAN:
+		case NL80211_IFTYPE_WDS:
+		case NL80211_IFTYPE_MESH_POINT:
+			/* bridging OK */
+			break;
+		case NL80211_IFTYPE_MONITOR:
+			/* monitor can't bridge anyway */
+			break;
+		case NL80211_IFTYPE_UNSPECIFIED:
+		case __NL80211_IFTYPE_AFTER_LAST:
+			/* not happening */
+			break;
+		}
+	}
+
 	return err;
 }
-- 
GitLab


From 7351c6bd482712e5e3ec9dffc547de0e0863efb0 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Thu, 19 Nov 2009 01:08:30 +0100
Subject: [PATCH 1407/1815] mac80211: request TX status where needed

Right now all frames mac80211 hands to the driver
have the IEEE80211_TX_CTL_REQ_TX_STATUS flag set to
request TX status. This isn't really necessary, only
the injected frames need TX status (the latter for
hostapd) so move setting this flag.

The rate control algorithms also need TX status, but
they don't require it.

Also, rt2x00 uses that bit for its own purposes and
seems to require it being set for all frames, but
that can be fixed in rt2x00.

This doesn't really change anything for any drivers
but in the future drivers using hw-rate control may
opt to not report TX status for frames that don't
have the IEEE80211_TX_CTL_REQ_TX_STATUS flag set.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com> [rt2x00 bits]
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2x00dev.c   | 11 ++++++-----
 drivers/net/wireless/rt2x00/rt2x00lib.h   |  4 +++-
 drivers/net/wireless/rt2x00/rt2x00mac.c   |  5 ++---
 drivers/net/wireless/rt2x00/rt2x00queue.c |  6 +++++-
 drivers/net/wireless/rt2x00/rt2x00queue.h |  5 ++++-
 include/net/mac80211.h                    |  2 +-
 net/mac80211/tx.c                         |  4 ++--
 7 files changed, 23 insertions(+), 14 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 6c6d0ac3554..4a4b7e42fe6 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -205,6 +205,7 @@ void rt2x00lib_txdone(struct queue_entry *entry,
 	enum data_queue_qid qid = skb_get_queue_mapping(entry->skb);
 	unsigned int header_length = ieee80211_get_hdrlen_from_skb(entry->skb);
 	u8 rate_idx, rate_flags, retry_rates;
+	u8 skbdesc_flags = skbdesc->flags;
 	unsigned int i;
 	bool success;
 
@@ -287,12 +288,12 @@ void rt2x00lib_txdone(struct queue_entry *entry,
 	}
 
 	/*
-	 * Only send the status report to mac80211 when TX status was
-	 * requested by it. If this was a extra frame coming through
-	 * a mac80211 library call (RTS/CTS) then we should not send the
-	 * status report back.
+	 * Only send the status report to mac80211 when it's a frame
+	 * that originated in mac80211. If this was a extra frame coming
+	 * through a mac80211 library call (RTS/CTS) then we should not
+	 * send the status report back.
 	 */
-	if (tx_info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS)
+	if (!(skbdesc_flags & SKBDESC_NOT_MAC80211))
 		ieee80211_tx_status_irqsafe(rt2x00dev->hw, entry->skb);
 	else
 		dev_kfree_skb_irq(entry->skb);
diff --git a/drivers/net/wireless/rt2x00/rt2x00lib.h b/drivers/net/wireless/rt2x00/rt2x00lib.h
index c1f48acaee4..be2e37fb407 100644
--- a/drivers/net/wireless/rt2x00/rt2x00lib.h
+++ b/drivers/net/wireless/rt2x00/rt2x00lib.h
@@ -162,8 +162,10 @@ void rt2x00queue_remove_l2pad(struct sk_buff *skb, unsigned int header_length);
  * rt2x00queue_write_tx_frame - Write TX frame to hardware
  * @queue: Queue over which the frame should be send
  * @skb: The skb to send
+ * @local: frame is not from mac80211
  */
-int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb);
+int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb,
+			       bool local);
 
 /**
  * rt2x00queue_update_beacon - Send new beacon from mac80211 to hardware
diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
index eed093d3453..9c90ceb0ffc 100644
--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -66,7 +66,6 @@ static int rt2x00mac_tx_rts_cts(struct rt2x00_dev *rt2x00dev,
 	rts_info = IEEE80211_SKB_CB(skb);
 	rts_info->control.rates[0].flags &= ~IEEE80211_TX_RC_USE_RTS_CTS;
 	rts_info->control.rates[0].flags &= ~IEEE80211_TX_RC_USE_CTS_PROTECT;
-	rts_info->flags &= ~IEEE80211_TX_CTL_REQ_TX_STATUS;
 
 	if (tx_info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)
 		rts_info->flags |= IEEE80211_TX_CTL_NO_ACK;
@@ -91,7 +90,7 @@ static int rt2x00mac_tx_rts_cts(struct rt2x00_dev *rt2x00dev,
 				  frag_skb->data, data_length, tx_info,
 				  (struct ieee80211_rts *)(skb->data));
 
-	retval = rt2x00queue_write_tx_frame(queue, skb);
+	retval = rt2x00queue_write_tx_frame(queue, skb, true);
 	if (retval) {
 		dev_kfree_skb_any(skb);
 		WARNING(rt2x00dev, "Failed to send RTS/CTS frame.\n");
@@ -153,7 +152,7 @@ int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
 			goto exit_fail;
 	}
 
-	if (rt2x00queue_write_tx_frame(queue, skb))
+	if (rt2x00queue_write_tx_frame(queue, skb, false))
 		goto exit_fail;
 
 	if (rt2x00queue_threshold(queue))
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c
index 02972a036bc..eaedee8c05c 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.c
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
@@ -454,7 +454,8 @@ static void rt2x00queue_write_tx_descriptor(struct queue_entry *entry,
 		rt2x00dev->ops->lib->kick_tx_queue(rt2x00dev, queue->qid);
 }
 
-int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb)
+int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb,
+			       bool local)
 {
 	struct ieee80211_tx_info *tx_info;
 	struct queue_entry *entry = rt2x00queue_get_entry(queue, Q_INDEX);
@@ -495,6 +496,9 @@ int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb)
 	skbdesc->tx_rate_idx = rate_idx;
 	skbdesc->tx_rate_flags = rate_flags;
 
+	if (local)
+		skbdesc->flags |= SKBDESC_NOT_MAC80211;
+
 	/*
 	 * When hardware encryption is supported, and this frame
 	 * is to be encrypted, we should strip the IV/EIV data from
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.h b/drivers/net/wireless/rt2x00/rt2x00queue.h
index 97c7895c0ec..70775e5ba1a 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.h
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.h
@@ -94,12 +94,15 @@ enum data_queue_qid {
  *	mac80211 but was stripped for processing by the driver.
  * @SKBDESC_L2_PADDED: Payload has been padded for 4-byte alignment,
  *	the padded bytes are located between header and payload.
+ * @SKBDESC_NOT_MAC80211: Frame didn't originate from mac80211,
+ *	don't try to pass it back.
  */
 enum skb_frame_desc_flags {
 	SKBDESC_DMA_MAPPED_RX = 1 << 0,
 	SKBDESC_DMA_MAPPED_TX = 1 << 1,
 	SKBDESC_IV_STRIPPED = 1 << 2,
-	SKBDESC_L2_PADDED = 1 << 3
+	SKBDESC_L2_PADDED = 1 << 3,
+	SKBDESC_NOT_MAC80211 = 1 << 4,
 };
 
 /**
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index f34f4ca7016..3754ea405c8 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -219,7 +219,7 @@ struct ieee80211_bss_conf {
  *
  * These flags are used with the @flags member of &ieee80211_tx_info.
  *
- * @IEEE80211_TX_CTL_REQ_TX_STATUS: request TX status callback for this frame.
+ * @IEEE80211_TX_CTL_REQ_TX_STATUS: require TX status callback for this frame.
  * @IEEE80211_TX_CTL_ASSIGN_SEQ: The driver has to assign a sequence
  *	number to this frame, taking care of not overwriting the fragment
  *	number and increasing the sequence number only when the
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 5af2f40ea4d..943def2b07d 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1443,8 +1443,6 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
 		        msecs_to_jiffies(local->hw.conf.dynamic_ps_timeout));
 	}
 
-	info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
-
 	rcu_read_lock();
 
 	if (unlikely(sdata->vif.type == NL80211_IFTYPE_MONITOR)) {
@@ -1575,6 +1573,8 @@ netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb,
 
 	memset(info, 0, sizeof(*info));
 
+	info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
+
 	/* pass the radiotap header up to xmit */
 	ieee80211_xmit(IEEE80211_DEV_TO_SUB_IF(dev), skb);
 	return NETDEV_TX_OK;
-- 
GitLab


From a58ce43f2fb17b728395ff530f019ca53c80145f Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Thu, 19 Nov 2009 12:45:42 +0100
Subject: [PATCH 1408/1815] mac80211: avoid spurious deauth frames/messages

With WEXT, it happens frequently that the SME
requests an authentication but then deauthenticates
right away because some new parameters came along.
Every time this happens we print a deauth message
and send a deauth frame, but both of that is rather
confusing. Avoid it by aborting the authentication
process silently, and telling cfg80211 about that.

The patch looks larger than it really is:
__cfg80211_auth_remove() is split out from
cfg80211_send_auth_timeout(), there's no new code
except __cfg80211_auth_canceled() (a one-liner) and
the mac80211 bits (7 new lines of code).

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 include/net/cfg80211.h | 12 ++++++++++++
 net/mac80211/mlme.c    | 17 +++++++++++++++++
 net/wireless/mlme.c    | 36 +++++++++++++++++++++++++-----------
 3 files changed, 54 insertions(+), 11 deletions(-)

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index d1e05aeb0c0..a6492e9bca9 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1838,6 +1838,18 @@ void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len);
  */
 void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr);
 
+/**
+ * __cfg80211_auth_canceled - notify cfg80211 that authentication was canceled
+ * @dev: network device
+ * @addr: The MAC address of the device with which the authentication timed out
+ *
+ * When a pending authentication had no action yet, the driver may decide
+ * to not send a deauth frame, but in that case must calls this function
+ * to tell cfg80211 about this decision. It is only valid to call this
+ * function within the deauth() callback.
+ */
+void __cfg80211_auth_canceled(struct net_device *dev, const u8 *addr);
+
 /**
  * cfg80211_send_rx_assoc - notification of processed association
  * @dev: network device
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index f399547306c..6dc7b5ad9a4 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -2508,6 +2508,7 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
 	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 	struct ieee80211_mgd_work *wk;
 	const u8 *bssid = NULL;
+	bool not_auth_yet = false;
 
 	mutex_lock(&ifmgd->mtx);
 
@@ -2517,12 +2518,28 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
 	} else list_for_each_entry(wk, &ifmgd->work_list, list) {
 		if (&wk->bss->cbss == req->bss) {
 			bssid = req->bss->bssid;
+			if (wk->state == IEEE80211_MGD_STATE_PROBE)
+				not_auth_yet = true;
 			list_del(&wk->list);
 			kfree(wk);
 			break;
 		}
 	}
 
+	/*
+	 * If somebody requests authentication and we haven't
+	 * sent out an auth frame yet there's no need to send
+	 * out a deauth frame either. If the state was PROBE,
+	 * then this is the case. If it's AUTH we have sent a
+	 * frame, and if it's IDLE we have completed the auth
+	 * process already.
+	 */
+	if (not_auth_yet) {
+		mutex_unlock(&ifmgd->mtx);
+		__cfg80211_auth_canceled(sdata->dev, bssid);
+		return 0;
+	}
+
 	/*
 	 * cfg80211 should catch this ... but it's racy since
 	 * we can receive a deauth frame, process it, hand it
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 622af5649b9..1001db4912f 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -243,21 +243,12 @@ void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len)
 }
 EXPORT_SYMBOL(cfg80211_send_disassoc);
 
-void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr)
+static void __cfg80211_auth_remove(struct wireless_dev *wdev, const u8 *addr)
 {
-	struct wireless_dev *wdev = dev->ieee80211_ptr;
-	struct wiphy *wiphy = wdev->wiphy;
-	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
 	int i;
 	bool done = false;
 
-	wdev_lock(wdev);
-
-	nl80211_send_auth_timeout(rdev, dev, addr, GFP_KERNEL);
-	if (wdev->sme_state == CFG80211_SME_CONNECTING)
-		__cfg80211_connect_result(dev, addr, NULL, 0, NULL, 0,
-					  WLAN_STATUS_UNSPECIFIED_FAILURE,
-					  false, NULL);
+	ASSERT_WDEV_LOCK(wdev);
 
 	for (i = 0; addr && i < MAX_AUTH_BSSES; i++) {
 		if (wdev->authtry_bsses[i] &&
@@ -272,6 +263,29 @@ void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr)
 	}
 
 	WARN_ON(!done);
+}
+
+void __cfg80211_auth_canceled(struct net_device *dev, const u8 *addr)
+{
+	__cfg80211_auth_remove(dev->ieee80211_ptr, addr);
+}
+EXPORT_SYMBOL(__cfg80211_auth_canceled);
+
+void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr)
+{
+	struct wireless_dev *wdev = dev->ieee80211_ptr;
+	struct wiphy *wiphy = wdev->wiphy;
+	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+
+	wdev_lock(wdev);
+
+	nl80211_send_auth_timeout(rdev, dev, addr, GFP_KERNEL);
+	if (wdev->sme_state == CFG80211_SME_CONNECTING)
+		__cfg80211_connect_result(dev, addr, NULL, 0, NULL, 0,
+					  WLAN_STATUS_UNSPECIFIED_FAILURE,
+					  false, NULL);
+
+	__cfg80211_auth_remove(wdev, addr);
 
 	wdev_unlock(wdev);
 }
-- 
GitLab


From 64491f0ec8b653560a030022dccfce67ad353d81 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Thu, 19 Nov 2009 14:26:11 +0100
Subject: [PATCH 1409/1815] mac80211: add per-station HT capability file

This is sometimes useful to debug HT issues
as it shows what exactly the stack thinks
the peer supports.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/debugfs_sta.c | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index f043c29070d..3f41608c808 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -157,6 +157,34 @@ static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf,
 }
 STA_OPS(agg_status);
 
+static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf,
+				size_t count, loff_t *ppos)
+{
+	char buf[200], *p = buf;
+	int i;
+	struct sta_info *sta = file->private_data;
+	struct ieee80211_sta_ht_cap *htc = &sta->sta.ht_cap;
+
+	p += scnprintf(p, sizeof(buf) + buf - p, "ht %ssupported\n",
+			htc->ht_supported ? "" : "not ");
+	if (htc->ht_supported) {
+		p += scnprintf(p, sizeof(buf)+buf-p, "cap: %#.2x\n", htc->cap);
+		p += scnprintf(p, sizeof(buf)+buf-p, "ampdu factor/density: %d/%d\n",
+				htc->ampdu_factor, htc->ampdu_density);
+		p += scnprintf(p, sizeof(buf)+buf-p, "MCS mask:");
+		for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
+			p += scnprintf(p, sizeof(buf)+buf-p, " %.2x",
+					htc->mcs.rx_mask[i]);
+		p += scnprintf(p, sizeof(buf)+buf-p, "\nMCS rx highest: %d\n",
+				le16_to_cpu(htc->mcs.rx_highest));
+		p += scnprintf(p, sizeof(buf)+buf-p, "MCS tx params: %x\n",
+				htc->mcs.tx_params);
+	}
+
+	return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
+}
+STA_OPS(ht_capa);
+
 #define DEBUGFS_ADD(name) \
 	debugfs_create_file(#name, 0400, \
 		sta->debugfs.dir, sta, &sta_ ##name## _ops);
@@ -207,6 +235,7 @@ void ieee80211_sta_debugfs_add(struct sta_info *sta)
 	DEBUGFS_ADD(last_signal);
 	DEBUGFS_ADD(last_noise);
 	DEBUGFS_ADD(wep_weak_iv_count);
+	DEBUGFS_ADD(ht_capa);
 }
 
 void ieee80211_sta_debugfs_remove(struct sta_info *sta)
-- 
GitLab


From 9f13084d52d40dcce5a5f00586410acdb5a3fbff Mon Sep 17 00:00:00 2001
From: Rui Paulo <rpaulo@gmail.com>
Date: Thu, 19 Nov 2009 15:49:10 +0000
Subject: [PATCH 1410/1815] mac80211: fix endianess on mesh_path_error_tx()
 calls

Signed-off-by: Rui Paulo <rpaulo@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/mesh_pathtbl.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index 3fbabbf34ea..a8da23905c7 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -468,7 +468,7 @@ void mesh_plink_broken(struct sta_info *sta)
 			spin_unlock_bh(&mpath->state_lock);
 			mesh_path_error_tx(MESH_TTL, mpath->dst,
 					cpu_to_le32(mpath->sn),
-					PERR_RCODE_DEST_UNREACH,
+					cpu_to_le16(PERR_RCODE_DEST_UNREACH),
 					bcast, sdata);
 		} else
 		spin_unlock_bh(&mpath->state_lock);
@@ -614,7 +614,7 @@ void mesh_path_discard_frame(struct sk_buff *skb,
 		if (mpath)
 			sn = ++mpath->sn;
 		mesh_path_error_tx(MESH_TTL, skb->data, cpu_to_le32(sn),
-				   PERR_RCODE_NO_ROUTE, ra, sdata);
+				   cpu_to_le16(PERR_RCODE_NO_ROUTE), ra, sdata);
 	}
 
 	kfree_skb(skb);
-- 
GitLab


From 5452fee23eddb5ebb46f13aba50c8930c160e1da Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Thu, 19 Nov 2009 09:55:53 +0000
Subject: [PATCH 1411/1815] drivers/isdn/gigaset: tasklet_init - Remove
 unnecessary leading & from second arg

Changed function pointer use from non-majority address-of style
to majority short form without & via:

grep -rPl "\btasklet_init\s*\([^,\)]+,\s*\&" drivers/isdn | while read file ; do \
        perl -i -e 'local $/; while (<>) { s@(\btasklet_init\s*\([^,\)]+,\s*)\&@\1@g ; print ; }' $file ;\
done

Compile tested allyesconfig x86

Signed-off-by: Joe Perches <joe@perches.com>

 drivers/isdn/gigaset/bas-gigaset.c |    4 ++--
 drivers/isdn/gigaset/common.c      |    2 +-
 drivers/isdn/gigaset/interface.c   |    2 +-
 drivers/isdn/gigaset/ser-gigaset.c |    2 +-
 drivers/isdn/gigaset/usb-gigaset.c |    2 +-
 5 files changed, 6 insertions(+), 6 deletions(-)
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/isdn/gigaset/bas-gigaset.c | 4 ++--
 drivers/isdn/gigaset/common.c      | 2 +-
 drivers/isdn/gigaset/interface.c   | 2 +-
 drivers/isdn/gigaset/ser-gigaset.c | 2 +-
 drivers/isdn/gigaset/usb-gigaset.c | 2 +-
 5 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/isdn/gigaset/bas-gigaset.c b/drivers/isdn/gigaset/bas-gigaset.c
index 9fd19db045f..95ebc512989 100644
--- a/drivers/isdn/gigaset/bas-gigaset.c
+++ b/drivers/isdn/gigaset/bas-gigaset.c
@@ -2117,7 +2117,7 @@ static int gigaset_initbcshw(struct bc_state *bcs)
 		return 0;
 	}
 	tasklet_init(&ubc->sent_tasklet,
-		     &write_iso_tasklet, (unsigned long) bcs);
+		     write_iso_tasklet, (unsigned long) bcs);
 
 	spin_lock_init(&ubc->isoinlock);
 	for (i = 0; i < BAS_INURBS; ++i)
@@ -2138,7 +2138,7 @@ static int gigaset_initbcshw(struct bc_state *bcs)
 	ubc->shared0s = 0;
 	ubc->stolen0s = 0;
 	tasklet_init(&ubc->rcvd_tasklet,
-		     &read_iso_tasklet, (unsigned long) bcs);
+		     read_iso_tasklet, (unsigned long) bcs);
 	return 1;
 }
 
diff --git a/drivers/isdn/gigaset/common.c b/drivers/isdn/gigaset/common.c
index c438cfcb7c6..82ed1cd14ff 100644
--- a/drivers/isdn/gigaset/common.c
+++ b/drivers/isdn/gigaset/common.c
@@ -727,7 +727,7 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels,
 	cs->ev_tail = 0;
 	cs->ev_head = 0;
 
-	tasklet_init(&cs->event_tasklet, &gigaset_handle_event,
+	tasklet_init(&cs->event_tasklet, gigaset_handle_event,
 		     (unsigned long) cs);
 	cs->commands_pending = 0;
 	cs->cur_at_seq = 0;
diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
index 577809c03ae..d2260b0055f 100644
--- a/drivers/isdn/gigaset/interface.c
+++ b/drivers/isdn/gigaset/interface.c
@@ -584,7 +584,7 @@ void gigaset_if_init(struct cardstate *cs)
 	if (!drv->have_tty)
 		return;
 
-	tasklet_init(&cs->if_wake_tasklet, &if_wake, (unsigned long) cs);
+	tasklet_init(&cs->if_wake_tasklet, if_wake, (unsigned long) cs);
 
 	mutex_lock(&cs->mutex);
 	cs->tty_dev = tty_register_device(drv->tty, cs->minor_index, NULL);
diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c
index ac3409ea5d9..168d585d64d 100644
--- a/drivers/isdn/gigaset/ser-gigaset.c
+++ b/drivers/isdn/gigaset/ser-gigaset.c
@@ -434,7 +434,7 @@ static int gigaset_initcshw(struct cardstate *cs)
 	dev_set_drvdata(&cs->hw.ser->dev.dev, cs);
 
 	tasklet_init(&cs->write_tasklet,
-		     &gigaset_modem_fill, (unsigned long) cs);
+		     gigaset_modem_fill, (unsigned long) cs);
 	return 1;
 }
 
diff --git a/drivers/isdn/gigaset/usb-gigaset.c b/drivers/isdn/gigaset/usb-gigaset.c
index f56b2a83793..3ab1daeb276 100644
--- a/drivers/isdn/gigaset/usb-gigaset.c
+++ b/drivers/isdn/gigaset/usb-gigaset.c
@@ -614,7 +614,7 @@ static int gigaset_initcshw(struct cardstate *cs)
 	ucs->bulk_out_urb = NULL;
 	ucs->read_urb = NULL;
 	tasklet_init(&cs->write_tasklet,
-		     &gigaset_modem_fill, (unsigned long) cs);
+		     gigaset_modem_fill, (unsigned long) cs);
 
 	return 1;
 }
-- 
GitLab


From 164165dad7e607ec359e64b6fae72abbf3640ea6 Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Thu, 19 Nov 2009 09:30:10 +0000
Subject: [PATCH 1412/1815] drivers/net: tasklet_init - Remove unnecessary
 leading & from second arg

Changed function pointer use from non-majority address-of style
to majority short form without & via: (was: 8 with &, 36 without)

grep -rPl "\btasklet_init\s*\([^,\)]+,\s*\&" drivers/net | while read file ; do \
	perl -i -e 'local $/; while (<>) { s@(\btasklet_init\s*\([^,\)]+,\s*)\&@\1@g ; print ; }' $file ;\
done

Compile tested allyesconfig x86

Signed-off-by: Joe Perches <joe@perches.com>

 drivers/net/cnic.c |    4 ++--
 drivers/net/jme.c  |   10 +++++-----
 drivers/net/skge.c |    2 +-
 3 files changed, 8 insertions(+), 8 deletions(-)
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/cnic.c |  4 ++--
 drivers/net/jme.c  | 10 +++++-----
 drivers/net/skge.c |  2 +-
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c
index e503384e2a5..ee7eb9ee77e 100644
--- a/drivers/net/cnic.c
+++ b/drivers/net/cnic.c
@@ -3387,7 +3387,7 @@ static int cnic_init_bnx2_irq(struct cnic_dev *dev)
 
 		cp->bnx2_status_blk = cp->status_blk;
 		cp->last_status_idx = cp->bnx2_status_blk->status_idx;
-		tasklet_init(&cp->cnic_irq_task, &cnic_service_bnx2_msix,
+		tasklet_init(&cp->cnic_irq_task, cnic_service_bnx2_msix,
 			     (unsigned long) dev);
 		err = request_irq(ethdev->irq_arr[0].vector, cnic_irq, 0,
 				  "cnic", dev);
@@ -3787,7 +3787,7 @@ static int cnic_init_bnx2x_irq(struct cnic_dev *dev)
 	struct cnic_eth_dev *ethdev = cp->ethdev;
 	int err = 0;
 
-	tasklet_init(&cp->cnic_irq_task, &cnic_service_bnx2x_bh,
+	tasklet_init(&cp->cnic_irq_task, cnic_service_bnx2x_bh,
 		     (unsigned long) dev);
 	if (ethdev->drv_state & CNIC_DRV_STATE_USING_MSIX) {
 		err = request_irq(ethdev->irq_arr[0].vector, cnic_irq, 0,
diff --git a/drivers/net/jme.c b/drivers/net/jme.c
index 1d2a32544ed..6c1b92fa0b0 100644
--- a/drivers/net/jme.c
+++ b/drivers/net/jme.c
@@ -2764,19 +2764,19 @@ jme_init_one(struct pci_dev *pdev,
 	atomic_set(&jme->rx_empty, 1);
 
 	tasklet_init(&jme->pcc_task,
-		     &jme_pcc_tasklet,
+		     jme_pcc_tasklet,
 		     (unsigned long) jme);
 	tasklet_init(&jme->linkch_task,
-		     &jme_link_change_tasklet,
+		     jme_link_change_tasklet,
 		     (unsigned long) jme);
 	tasklet_init(&jme->txclean_task,
-		     &jme_tx_clean_tasklet,
+		     jme_tx_clean_tasklet,
 		     (unsigned long) jme);
 	tasklet_init(&jme->rxclean_task,
-		     &jme_rx_clean_tasklet,
+		     jme_rx_clean_tasklet,
 		     (unsigned long) jme);
 	tasklet_init(&jme->rxempty_task,
-		     &jme_rx_empty_tasklet,
+		     jme_rx_empty_tasklet,
 		     (unsigned long) jme);
 	tasklet_disable_nosync(&jme->linkch_task);
 	tasklet_disable_nosync(&jme->txclean_task);
diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index ba5eb14094e..34b4e7d500d 100644
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -3947,7 +3947,7 @@ static int __devinit skge_probe(struct pci_dev *pdev,
 	hw->pdev = pdev;
 	spin_lock_init(&hw->hw_lock);
 	spin_lock_init(&hw->phy_lock);
-	tasklet_init(&hw->phy_task, &skge_extirq, (unsigned long) hw);
+	tasklet_init(&hw->phy_task, skge_extirq, (unsigned long) hw);
 
 	hw->regs = ioremap_nocache(pci_resource_start(pdev, 0), 0x4000);
 	if (!hw->regs) {
-- 
GitLab


From 2909c3f79d933b55bf2485addb1dca762210b6af Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Thu, 19 Nov 2009 12:41:42 +0000
Subject: [PATCH 1413/1815] igb: add support for the 82580 phy

This patch adds support for the phy included in the 82580 silicon family.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/e1000_hw.h  |   1 +
 drivers/net/igb/e1000_phy.c | 242 ++++++++++++++++++++++++++++++++++++
 drivers/net/igb/e1000_phy.h |  32 +++++
 3 files changed, 275 insertions(+)

diff --git a/drivers/net/igb/e1000_hw.h b/drivers/net/igb/e1000_hw.h
index 2dc929419df..5deda3e7842 100644
--- a/drivers/net/igb/e1000_hw.h
+++ b/drivers/net/igb/e1000_hw.h
@@ -93,6 +93,7 @@ enum e1000_phy_type {
 	e1000_phy_gg82563,
 	e1000_phy_igp_3,
 	e1000_phy_ife,
+	e1000_phy_82580,
 };
 
 enum e1000_bus_type {
diff --git a/drivers/net/igb/e1000_phy.c b/drivers/net/igb/e1000_phy.c
index 83b706c460b..b8fbc8558fe 100644
--- a/drivers/net/igb/e1000_phy.c
+++ b/drivers/net/igb/e1000_phy.c
@@ -420,6 +420,57 @@ out:
 	return ret_val;
 }
 
+/**
+ *  igb_copper_link_setup_82580 - Setup 82580 PHY for copper link
+ *  @hw: pointer to the HW structure
+ *
+ *  Sets up Carrier-sense on Transmit and downshift values.
+ **/
+s32 igb_copper_link_setup_82580(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val;
+	u16 phy_data;
+
+
+	if (phy->reset_disable) {
+		ret_val = 0;
+		goto out;
+	}
+
+	if (phy->type == e1000_phy_82580) {
+		ret_val = hw->phy.ops.reset(hw);
+		if (ret_val) {
+			hw_dbg("Error resetting the PHY.\n");
+			goto out;
+		}
+	}
+
+	/* Enable CRS on TX. This must be set for half-duplex operation. */
+	ret_val = phy->ops.read_reg(hw, I82580_CFG_REG, &phy_data);
+	if (ret_val)
+		goto out;
+
+	phy_data |= I82580_CFG_ASSERT_CRS_ON_TX;
+
+	/* Enable downshift */
+	phy_data |= I82580_CFG_ENABLE_DOWNSHIFT;
+
+	ret_val = phy->ops.write_reg(hw, I82580_CFG_REG, phy_data);
+	if (ret_val)
+		goto out;
+
+	/* Set number of link attempts before downshift */
+	ret_val = phy->ops.read_reg(hw, I82580_CTRL_REG, &phy_data);
+	if (ret_val)
+		goto out;
+	phy_data &= ~I82580_CTRL_DOWNSHIFT_MASK;
+	ret_val = phy->ops.write_reg(hw, I82580_CTRL_REG, phy_data);
+
+out:
+	return ret_val;
+}
+
 /**
  *  igb_copper_link_setup_m88 - Setup m88 PHY's for copper link
  *  @hw: pointer to the HW structure
@@ -1888,3 +1939,194 @@ s32 igb_phy_init_script_igp3(struct e1000_hw *hw)
 	return 0;
 }
 
+/**
+ *  igb_check_polarity_82580 - Checks the polarity.
+ *  @hw: pointer to the HW structure
+ *
+ *  Success returns 0, Failure returns -E1000_ERR_PHY (-2)
+ *
+ *  Polarity is determined based on the PHY specific status register.
+ **/
+s32 igb_check_polarity_82580(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val;
+	u16 data;
+
+
+	ret_val = phy->ops.read_reg(hw, I82580_PHY_STATUS_2, &data);
+
+	if (!ret_val)
+		phy->cable_polarity = (data & I82580_PHY_STATUS2_REV_POLARITY)
+		                      ? e1000_rev_polarity_reversed
+		                      : e1000_rev_polarity_normal;
+
+	return ret_val;
+}
+
+/**
+ *  igb_phy_force_speed_duplex_82580 - Force speed/duplex for I82580 PHY
+ *  @hw: pointer to the HW structure
+ *
+ *  Calls the PHY setup function to force speed and duplex.  Clears the
+ *  auto-crossover to force MDI manually.  Waits for link and returns
+ *  successful if link up is successful, else -E1000_ERR_PHY (-2).
+ **/
+s32 igb_phy_force_speed_duplex_82580(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val;
+	u16 phy_data;
+	bool link;
+
+
+	ret_val = phy->ops.read_reg(hw, PHY_CONTROL, &phy_data);
+	if (ret_val)
+		goto out;
+
+	igb_phy_force_speed_duplex_setup(hw, &phy_data);
+
+	ret_val = phy->ops.write_reg(hw, PHY_CONTROL, phy_data);
+	if (ret_val)
+		goto out;
+
+	/*
+	 * Clear Auto-Crossover to force MDI manually.  82580 requires MDI
+	 * forced whenever speed and duplex are forced.
+	 */
+	ret_val = phy->ops.read_reg(hw, I82580_PHY_CTRL_2, &phy_data);
+	if (ret_val)
+		goto out;
+
+	phy_data &= ~I82580_PHY_CTRL2_AUTO_MDIX;
+	phy_data &= ~I82580_PHY_CTRL2_FORCE_MDI_MDIX;
+
+	ret_val = phy->ops.write_reg(hw, I82580_PHY_CTRL_2, phy_data);
+	if (ret_val)
+		goto out;
+
+	hw_dbg("I82580_PHY_CTRL_2: %X\n", phy_data);
+
+	udelay(1);
+
+	if (phy->autoneg_wait_to_complete) {
+		hw_dbg("Waiting for forced speed/duplex link on 82580 phy\n");
+
+		ret_val = igb_phy_has_link(hw,
+		                           PHY_FORCE_LIMIT,
+		                           100000,
+		                           &link);
+		if (ret_val)
+			goto out;
+
+		if (!link)
+			hw_dbg("Link taking longer than expected.\n");
+
+		/* Try once more */
+		ret_val = igb_phy_has_link(hw,
+		                           PHY_FORCE_LIMIT,
+		                           100000,
+		                           &link);
+		if (ret_val)
+			goto out;
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_get_phy_info_82580 - Retrieve I82580 PHY information
+ *  @hw: pointer to the HW structure
+ *
+ *  Read PHY status to determine if link is up.  If link is up, then
+ *  set/determine 10base-T extended distance and polarity correction.  Read
+ *  PHY port status to determine MDI/MDIx and speed.  Based on the speed,
+ *  determine on the cable length, local and remote receiver.
+ **/
+s32 igb_get_phy_info_82580(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val;
+	u16 data;
+	bool link;
+
+
+	ret_val = igb_phy_has_link(hw, 1, 0, &link);
+	if (ret_val)
+		goto out;
+
+	if (!link) {
+		hw_dbg("Phy info is only valid if link is up\n");
+		ret_val = -E1000_ERR_CONFIG;
+		goto out;
+	}
+
+	phy->polarity_correction = true;
+
+	ret_val = igb_check_polarity_82580(hw);
+	if (ret_val)
+		goto out;
+
+	ret_val = phy->ops.read_reg(hw, I82580_PHY_STATUS_2, &data);
+	if (ret_val)
+		goto out;
+
+	phy->is_mdix = (data & I82580_PHY_STATUS2_MDIX) ? true : false;
+
+	if ((data & I82580_PHY_STATUS2_SPEED_MASK) ==
+	    I82580_PHY_STATUS2_SPEED_1000MBPS) {
+		ret_val = hw->phy.ops.get_cable_length(hw);
+		if (ret_val)
+			goto out;
+
+		ret_val = phy->ops.read_reg(hw, PHY_1000T_STATUS, &data);
+		if (ret_val)
+			goto out;
+
+		phy->local_rx = (data & SR_1000T_LOCAL_RX_STATUS)
+		                ? e1000_1000t_rx_status_ok
+		                : e1000_1000t_rx_status_not_ok;
+
+		phy->remote_rx = (data & SR_1000T_REMOTE_RX_STATUS)
+		                 ? e1000_1000t_rx_status_ok
+		                 : e1000_1000t_rx_status_not_ok;
+	} else {
+		phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED;
+		phy->local_rx = e1000_1000t_rx_status_undefined;
+		phy->remote_rx = e1000_1000t_rx_status_undefined;
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_get_cable_length_82580 - Determine cable length for 82580 PHY
+ *  @hw: pointer to the HW structure
+ *
+ * Reads the diagnostic status register and verifies result is valid before
+ * placing it in the phy_cable_length field.
+ **/
+s32 igb_get_cable_length_82580(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val;
+	u16 phy_data, length;
+
+
+	ret_val = phy->ops.read_reg(hw, I82580_PHY_DIAG_STATUS, &phy_data);
+	if (ret_val)
+		goto out;
+
+	length = (phy_data & I82580_DSTATUS_CABLE_LENGTH) >>
+	         I82580_DSTATUS_CABLE_LENGTH_SHIFT;
+
+	if (length == E1000_CABLE_LENGTH_UNDEFINED)
+		ret_val = -E1000_ERR_PHY;
+
+	phy->cable_length = length;
+
+out:
+	return ret_val;
+}
diff --git a/drivers/net/igb/e1000_phy.h b/drivers/net/igb/e1000_phy.h
index adb9436b733..e23b0211a20 100644
--- a/drivers/net/igb/e1000_phy.h
+++ b/drivers/net/igb/e1000_phy.h
@@ -63,6 +63,11 @@ s32  igb_phy_has_link(struct e1000_hw *hw, u32 iterations,
 s32  igb_phy_init_script_igp3(struct e1000_hw *hw);
 s32  igb_read_phy_reg_i2c(struct e1000_hw *hw, u32 offset, u16 *data);
 s32  igb_write_phy_reg_i2c(struct e1000_hw *hw, u32 offset, u16 data);
+s32  igb_copper_link_setup_82580(struct e1000_hw *hw);
+s32  igb_check_polarity_82580(struct e1000_hw *hw);
+s32  igb_get_phy_info_82580(struct e1000_hw *hw);
+s32  igb_phy_force_speed_duplex_82580(struct e1000_hw *hw);
+s32  igb_get_cable_length_82580(struct e1000_hw *hw);
 
 /* IGP01E1000 Specific Registers */
 #define IGP01E1000_PHY_PORT_CONFIG        0x10 /* Port Config */
@@ -77,6 +82,33 @@ s32  igb_write_phy_reg_i2c(struct e1000_hw *hw, u32 offset, u16 data);
 #define IGP01E1000_PSCR_FORCE_MDI_MDIX    0x2000 /* 0=MDI, 1=MDIX */
 #define IGP01E1000_PSCFR_SMART_SPEED      0x0080
 
+#define I82580_ADDR_REG                   16
+#define I82580_CFG_REG                    22
+#define I82580_CFG_ASSERT_CRS_ON_TX       (1 << 15)
+#define I82580_CFG_ENABLE_DOWNSHIFT       (3 << 10) /* auto downshift 100/10 */
+#define I82580_CTRL_REG                   23
+#define I82580_CTRL_DOWNSHIFT_MASK        (7 << 10)
+
+/* 82580 specific PHY registers */
+#define I82580_PHY_CTRL_2            18
+#define I82580_PHY_LBK_CTRL          19
+#define I82580_PHY_STATUS_2          26
+#define I82580_PHY_DIAG_STATUS       31
+
+/* I82580 PHY Status 2 */
+#define I82580_PHY_STATUS2_REV_POLARITY   0x0400
+#define I82580_PHY_STATUS2_MDIX           0x0800
+#define I82580_PHY_STATUS2_SPEED_MASK     0x0300
+#define I82580_PHY_STATUS2_SPEED_1000MBPS 0x0200
+#define I82580_PHY_STATUS2_SPEED_100MBPS  0x0100
+
+/* I82580 PHY Control 2 */
+#define I82580_PHY_CTRL2_AUTO_MDIX        0x0400
+#define I82580_PHY_CTRL2_FORCE_MDI_MDIX   0x0200
+
+/* I82580 PHY Diagnostics Status */
+#define I82580_DSTATUS_CABLE_LENGTH       0x03FC
+#define I82580_DSTATUS_CABLE_LENGTH_SHIFT 2
 /* Enable flexible speed on link-up */
 #define IGP02E1000_PM_D0_LPLU             0x0002 /* For D0a states */
 #define IGP02E1000_PM_D3_LPLU             0x0004 /* For all other states */
-- 
GitLab


From bb2ac47bcfd47ed9431ff1676ec8d79250c941c9 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Thu, 19 Nov 2009 12:42:01 +0000
Subject: [PATCH 1414/1815] igb: add support for 82580 MAC

This patch adds support for the 82580 MAC.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/e1000_82575.c   | 302 ++++++++++++++++++++++++++++----
 drivers/net/igb/e1000_82575.h   |   6 +
 drivers/net/igb/e1000_defines.h |  10 +-
 drivers/net/igb/e1000_hw.h      |  13 ++
 drivers/net/igb/e1000_phy.c     |   6 +-
 drivers/net/igb/e1000_phy.h     |   3 +-
 drivers/net/igb/e1000_regs.h    |   1 +
 7 files changed, 299 insertions(+), 42 deletions(-)

diff --git a/drivers/net/igb/e1000_82575.c b/drivers/net/igb/e1000_82575.c
index 5d345e3036a..e8e9e9194a8 100644
--- a/drivers/net/igb/e1000_82575.c
+++ b/drivers/net/igb/e1000_82575.c
@@ -46,7 +46,10 @@ static s32  igb_get_cfg_done_82575(struct e1000_hw *);
 static s32  igb_init_hw_82575(struct e1000_hw *);
 static s32  igb_phy_hw_reset_sgmii_82575(struct e1000_hw *);
 static s32  igb_read_phy_reg_sgmii_82575(struct e1000_hw *, u32, u16 *);
+static s32  igb_read_phy_reg_82580(struct e1000_hw *, u32, u16 *);
+static s32  igb_write_phy_reg_82580(struct e1000_hw *, u32, u16);
 static s32  igb_reset_hw_82575(struct e1000_hw *);
+static s32  igb_reset_hw_82580(struct e1000_hw *);
 static s32  igb_set_d0_lplu_state_82575(struct e1000_hw *, bool);
 static s32  igb_setup_copper_link_82575(struct e1000_hw *);
 static s32  igb_setup_serdes_link_82575(struct e1000_hw *);
@@ -62,6 +65,12 @@ static s32  igb_reset_init_script_82575(struct e1000_hw *);
 static s32  igb_read_mac_addr_82575(struct e1000_hw *);
 static s32  igb_set_pcie_completion_timeout(struct e1000_hw *hw);
 
+static const u16 e1000_82580_rxpbs_table[] =
+	{ 36, 72, 144, 1, 2, 4, 8, 16,
+	  35, 70, 140 };
+#define E1000_82580_RXPBS_TABLE_SIZE \
+	(sizeof(e1000_82580_rxpbs_table)/sizeof(u16))
+
 static s32 igb_get_invariants_82575(struct e1000_hw *hw)
 {
 	struct e1000_phy_info *phy = &hw->phy;
@@ -88,6 +97,13 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
 	case E1000_DEV_ID_82576_SERDES_QUAD:
 		mac->type = e1000_82576;
 		break;
+	case E1000_DEV_ID_82580_COPPER:
+	case E1000_DEV_ID_82580_FIBER:
+	case E1000_DEV_ID_82580_SERDES:
+	case E1000_DEV_ID_82580_SGMII:
+	case E1000_DEV_ID_82580_COPPER_DUAL:
+		mac->type = e1000_82580;
+		break;
 	default:
 		return -E1000_ERR_MAC_INIT;
 		break;
@@ -110,6 +126,7 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
 		dev_spec->sgmii_active = true;
 		ctrl_ext |= E1000_CTRL_I2C_ENA;
 		break;
+	case E1000_CTRL_EXT_LINK_MODE_1000BASE_KX:
 	case E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES:
 		hw->phy.media_type = e1000_media_type_internal_serdes;
 		ctrl_ext |= E1000_CTRL_I2C_ENA;
@@ -121,12 +138,26 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
 
 	wr32(E1000_CTRL_EXT, ctrl_ext);
 
+	/*
+	 * if using i2c make certain the MDICNFG register is cleared to prevent
+	 * communications from being misrouted to the mdic registers
+	 */
+	if ((ctrl_ext & E1000_CTRL_I2C_ENA) && (hw->mac.type == e1000_82580))
+		wr32(E1000_MDICNFG, 0);
+
 	/* Set mta register count */
 	mac->mta_reg_count = 128;
 	/* Set rar entry count */
 	mac->rar_entry_count = E1000_RAR_ENTRIES_82575;
 	if (mac->type == e1000_82576)
 		mac->rar_entry_count = E1000_RAR_ENTRIES_82576;
+	if (mac->type == e1000_82580)
+		mac->rar_entry_count = E1000_RAR_ENTRIES_82580;
+	/* reset */
+	if (mac->type == e1000_82580)
+		mac->ops.reset_hw = igb_reset_hw_82580;
+	else
+		mac->ops.reset_hw = igb_reset_hw_82575;
 	/* Set if part includes ASF firmware */
 	mac->asf_firmware_present = true;
 	/* Set if manageability features are enabled. */
@@ -194,6 +225,10 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
 		phy->ops.reset              = igb_phy_hw_reset_sgmii_82575;
 		phy->ops.read_reg           = igb_read_phy_reg_sgmii_82575;
 		phy->ops.write_reg          = igb_write_phy_reg_sgmii_82575;
+	} else if (hw->mac.type == e1000_82580) {
+		phy->ops.reset              = igb_phy_hw_reset;
+		phy->ops.read_reg           = igb_read_phy_reg_82580;
+		phy->ops.write_reg          = igb_write_phy_reg_82580;
 	} else {
 		phy->ops.reset              = igb_phy_hw_reset;
 		phy->ops.read_reg           = igb_read_phy_reg_igp;
@@ -225,6 +260,12 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
 		phy->ops.set_d0_lplu_state  = igb_set_d0_lplu_state_82575;
 		phy->ops.set_d3_lplu_state  = igb_set_d3_lplu_state;
 		break;
+	case I82580_I_PHY_ID:
+		phy->type                   = e1000_phy_82580;
+		phy->ops.force_speed_duplex = igb_phy_force_speed_duplex_82580;
+		phy->ops.get_cable_length   = igb_get_cable_length_82580;
+		phy->ops.get_phy_info       = igb_get_phy_info_82580;
+		break;
 	default:
 		return -E1000_ERR_PHY;
 	}
@@ -635,6 +676,10 @@ static s32 igb_get_cfg_done_82575(struct e1000_hw *hw)
 
 	if (hw->bus.func == 1)
 		mask = E1000_NVM_CFG_DONE_PORT_1;
+	else if (hw->bus.func == E1000_FUNC_2)
+		mask = E1000_NVM_CFG_DONE_PORT_2;
+	else if (hw->bus.func == E1000_FUNC_3)
+		mask = E1000_NVM_CFG_DONE_PORT_3;
 
 	while (timeout) {
 		if (rd32(E1000_EEMNGCTL) & mask)
@@ -754,6 +799,10 @@ void igb_shutdown_serdes_link_82575(struct e1000_hw *hw)
 
 	if (hw->bus.func == E1000_FUNC_0)
 		hw->nvm.ops.read(hw, NVM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
+	else if (hw->mac.type == e1000_82580)
+		hw->nvm.ops.read(hw, NVM_INIT_CONTROL3_PORT_A +
+		                 NVM_82580_LAN_FUNC_OFFSET(hw->bus.func), 1,
+		                 &eeprom_data);
 	else if (hw->bus.func == E1000_FUNC_1)
 		hw->nvm.ops.read(hw, NVM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
 
@@ -918,6 +967,9 @@ static s32 igb_setup_copper_link_82575(struct e1000_hw *hw)
 		goto out;
 
 	if (igb_sgmii_active_82575(hw) && !hw->phy.reset_disable) {
+		/* allow time for SFP cage time to power up phy */
+		msleep(300);
+
 		ret_val = hw->phy.ops.reset(hw);
 		if (ret_val) {
 			hw_dbg("Error resetting the PHY.\n");
@@ -931,6 +983,9 @@ static s32 igb_setup_copper_link_82575(struct e1000_hw *hw)
 	case e1000_phy_igp_3:
 		ret_val = igb_copper_link_setup_igp(hw);
 		break;
+	case e1000_phy_82580:
+		ret_val = igb_copper_link_setup_82580(hw);
+		break;
 	default:
 		ret_val = -E1000_ERR_PHY;
 		break;
@@ -955,7 +1010,8 @@ out:
  **/
 static s32 igb_setup_serdes_link_82575(struct e1000_hw *hw)
 {
-	u32 ctrl_reg, reg;
+	u32 ctrl_ext, ctrl_reg, reg;
+	bool pcs_autoneg;
 
 	if ((hw->phy.media_type != e1000_media_type_internal_serdes) &&
 	    !igb_sgmii_active_82575(hw))
@@ -970,9 +1026,9 @@ static s32 igb_setup_serdes_link_82575(struct e1000_hw *hw)
 	wr32(E1000_SCTL, E1000_SCTL_DISABLE_SERDES_LOOPBACK);
 
 	/* power on the sfp cage if present */
-	reg = rd32(E1000_CTRL_EXT);
-	reg &= ~E1000_CTRL_EXT_SDP3_DATA;
-	wr32(E1000_CTRL_EXT, reg);
+	ctrl_ext = rd32(E1000_CTRL_EXT);
+	ctrl_ext &= ~E1000_CTRL_EXT_SDP3_DATA;
+	wr32(E1000_CTRL_EXT, ctrl_ext);
 
 	ctrl_reg = rd32(E1000_CTRL);
 	ctrl_reg |= E1000_CTRL_SLU;
@@ -989,15 +1045,31 @@ static s32 igb_setup_serdes_link_82575(struct e1000_hw *hw)
 
 	reg = rd32(E1000_PCS_LCTL);
 
-	if (igb_sgmii_active_82575(hw)) {
-		/* allow time for SFP cage to power up phy */
-		msleep(300);
+	/* default pcs_autoneg to the same setting as mac autoneg */
+	pcs_autoneg = hw->mac.autoneg;
 
-		/* AN time out should be disabled for SGMII mode */
+	switch (ctrl_ext & E1000_CTRL_EXT_LINK_MODE_MASK) {
+	case E1000_CTRL_EXT_LINK_MODE_SGMII:
+		/* sgmii mode lets the phy handle forcing speed/duplex */
+		pcs_autoneg = true;
+		/* autoneg time out should be disabled for SGMII mode */
 		reg &= ~(E1000_PCS_LCTL_AN_TIMEOUT);
-	} else {
+		break;
+	case E1000_CTRL_EXT_LINK_MODE_1000BASE_KX:
+		/* disable PCS autoneg and support parallel detect only */
+		pcs_autoneg = false;
+	default:
+		/*
+		 * non-SGMII modes only supports a speed of 1000/Full for the
+		 * link so it is best to just force the MAC and let the pcs
+		 * link either autoneg or be forced to 1000/Full
+		 */
 		ctrl_reg |= E1000_CTRL_SPD_1000 | E1000_CTRL_FRCSPD |
 		            E1000_CTRL_FD | E1000_CTRL_FRCDPX;
+
+		/* set speed of 1000/Full if speed/duplex is forced */
+		reg |= E1000_PCS_LCTL_FSV_1000 | E1000_PCS_LCTL_FDV_FULL;
+		break;
 	}
 
 	wr32(E1000_CTRL, ctrl_reg);
@@ -1008,7 +1080,6 @@ static s32 igb_setup_serdes_link_82575(struct e1000_hw *hw)
 	 * mode that will be compatible with older link partners and switches.
 	 * However, both are supported by the hardware and some drivers/tools.
 	 */
-
 	reg &= ~(E1000_PCS_LCTL_AN_ENABLE | E1000_PCS_LCTL_FLV_LINK_UP |
 		E1000_PCS_LCTL_FSD | E1000_PCS_LCTL_FORCE_LINK);
 
@@ -1018,34 +1089,18 @@ static s32 igb_setup_serdes_link_82575(struct e1000_hw *hw)
 	 */
 	reg |= E1000_PCS_LCTL_FORCE_FCTRL;
 
-	/*
-	 * we always set sgmii to autoneg since it is the phy that will be
-	 * forcing the link and the serdes is just a go-between
-	 */
-	if (hw->mac.autoneg || igb_sgmii_active_82575(hw)) {
+	if (pcs_autoneg) {
 		/* Set PCS register for autoneg */
-		reg |= E1000_PCS_LCTL_FSV_1000 |  /* Force 1000 */
-		       E1000_PCS_LCTL_FDV_FULL |  /* SerDes Full dplx */
-		       E1000_PCS_LCTL_AN_ENABLE | /* Enable Autoneg */
+		reg |= E1000_PCS_LCTL_AN_ENABLE | /* Enable Autoneg */
 		       E1000_PCS_LCTL_AN_RESTART; /* Restart autoneg */
-		hw_dbg("Configuring Autoneg; PCS_LCTL = 0x%08X\n", reg);
+		hw_dbg("Configuring Autoneg:PCS_LCTL=0x%08X\n", reg);
 	} else {
-		/* Check for duplex first */
-		if (hw->mac.forced_speed_duplex & E1000_ALL_FULL_DUPLEX)
-			reg |= E1000_PCS_LCTL_FDV_FULL;
-
-		/* No need to check for 1000/full since the spec states that
-		 * it requires autoneg to be enabled */
-		/* Now set speed */
-		if (hw->mac.forced_speed_duplex & E1000_ALL_100_SPEED)
-			reg |= E1000_PCS_LCTL_FSV_100;
-
-		/* Force speed and force link */
-		reg |= E1000_PCS_LCTL_FSD |
-		       E1000_PCS_LCTL_FORCE_LINK |
-		       E1000_PCS_LCTL_FLV_LINK_UP;
-
-		hw_dbg("Configuring Forced Link; PCS_LCTL = 0x%08X\n", reg);
+		/* Set PCS register for forced link */
+		reg |= E1000_PCS_LCTL_FSD |        /* Force Speed */
+		       E1000_PCS_LCTL_FORCE_LINK | /* Force Link */
+		       E1000_PCS_LCTL_FLV_LINK_UP; /* Force link value up */
+
+		hw_dbg("Configuring Forced Link:PCS_LCTL=0x%08X\n", reg);
 	}
 
 	wr32(E1000_PCS_LCTL, reg);
@@ -1354,8 +1409,183 @@ void igb_vmdq_set_replication_pf(struct e1000_hw *hw, bool enable)
 	wr32(E1000_VT_CTL, vt_ctl);
 }
 
+/**
+ *  igb_read_phy_reg_82580 - Read 82580 MDI control register
+ *  @hw: pointer to the HW structure
+ *  @offset: register offset to be read
+ *  @data: pointer to the read data
+ *
+ *  Reads the MDI control register in the PHY at offset and stores the
+ *  information read to data.
+ **/
+static s32 igb_read_phy_reg_82580(struct e1000_hw *hw, u32 offset, u16 *data)
+{
+	u32 mdicnfg = 0;
+	s32 ret_val;
+
+
+	ret_val = hw->phy.ops.acquire(hw);
+	if (ret_val)
+		goto out;
+
+	/*
+	 * We config the phy address in MDICNFG register now. Same bits
+	 * as before. The values in MDIC can be written but will be
+	 * ignored. This allows us to call the old function after
+	 * configuring the PHY address in the new register
+	 */
+	mdicnfg = (hw->phy.addr << E1000_MDIC_PHY_SHIFT);
+	wr32(E1000_MDICNFG, mdicnfg);
+
+	ret_val = igb_read_phy_reg_mdic(hw, offset, data);
+
+	hw->phy.ops.release(hw);
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_write_phy_reg_82580 - Write 82580 MDI control register
+ *  @hw: pointer to the HW structure
+ *  @offset: register offset to write to
+ *  @data: data to write to register at offset
+ *
+ *  Writes data to MDI control register in the PHY at offset.
+ **/
+static s32 igb_write_phy_reg_82580(struct e1000_hw *hw, u32 offset, u16 data)
+{
+	u32 mdicnfg = 0;
+	s32 ret_val;
+
+
+	ret_val = hw->phy.ops.acquire(hw);
+	if (ret_val)
+		goto out;
+
+	/*
+	 * We config the phy address in MDICNFG register now. Same bits
+	 * as before. The values in MDIC can be written but will be
+	 * ignored. This allows us to call the old function after
+	 * configuring the PHY address in the new register
+	 */
+	mdicnfg = (hw->phy.addr << E1000_MDIC_PHY_SHIFT);
+	wr32(E1000_MDICNFG, mdicnfg);
+
+	ret_val = igb_write_phy_reg_mdic(hw, offset, data);
+
+	hw->phy.ops.release(hw);
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_reset_hw_82580 - Reset hardware
+ *  @hw: pointer to the HW structure
+ *
+ *  This resets function or entire device (all ports, etc.)
+ *  to a known state.
+ **/
+static s32 igb_reset_hw_82580(struct e1000_hw *hw)
+{
+	s32 ret_val = 0;
+	/* BH SW mailbox bit in SW_FW_SYNC */
+	u16 swmbsw_mask = E1000_SW_SYNCH_MB;
+	u32 ctrl, icr;
+	bool global_device_reset = hw->dev_spec._82575.global_device_reset;
+
+
+	hw->dev_spec._82575.global_device_reset = false;
+
+	/* Get current control state. */
+	ctrl = rd32(E1000_CTRL);
+
+	/*
+	 * Prevent the PCI-E bus from sticking if there is no TLP connection
+	 * on the last TLP read/write transaction when MAC is reset.
+	 */
+	ret_val = igb_disable_pcie_master(hw);
+	if (ret_val)
+		hw_dbg("PCI-E Master disable polling has failed.\n");
+
+	hw_dbg("Masking off all interrupts\n");
+	wr32(E1000_IMC, 0xffffffff);
+	wr32(E1000_RCTL, 0);
+	wr32(E1000_TCTL, E1000_TCTL_PSP);
+	wrfl();
+
+	msleep(10);
+
+	/* Determine whether or not a global dev reset is requested */
+	if (global_device_reset &&
+		igb_acquire_swfw_sync_82575(hw, swmbsw_mask))
+			global_device_reset = false;
+
+	if (global_device_reset &&
+		!(rd32(E1000_STATUS) & E1000_STAT_DEV_RST_SET))
+		ctrl |= E1000_CTRL_DEV_RST;
+	else
+		ctrl |= E1000_CTRL_RST;
+
+	wr32(E1000_CTRL, ctrl);
+
+	/* Add delay to insure DEV_RST has time to complete */
+	if (global_device_reset)
+		msleep(5);
+
+	ret_val = igb_get_auto_rd_done(hw);
+	if (ret_val) {
+		/*
+		 * When auto config read does not complete, do not
+		 * return with an error. This can happen in situations
+		 * where there is no eeprom and prevents getting link.
+		 */
+		hw_dbg("Auto Read Done did not complete\n");
+	}
+
+	/* If EEPROM is not present, run manual init scripts */
+	if ((rd32(E1000_EECD) & E1000_EECD_PRES) == 0)
+		igb_reset_init_script_82575(hw);
+
+	/* clear global device reset status bit */
+	wr32(E1000_STATUS, E1000_STAT_DEV_RST_SET);
+
+	/* Clear any pending interrupt events. */
+	wr32(E1000_IMC, 0xffffffff);
+	icr = rd32(E1000_ICR);
+
+	/* Install any alternate MAC address into RAR0 */
+	ret_val = igb_check_alt_mac_addr(hw);
+
+	/* Release semaphore */
+	if (global_device_reset)
+		igb_release_swfw_sync_82575(hw, swmbsw_mask);
+
+	return ret_val;
+}
+
+/**
+ *  igb_rxpbs_adjust_82580 - adjust RXPBS value to reflect actual RX PBA size
+ *  @data: data received by reading RXPBS register
+ *
+ *  The 82580 uses a table based approach for packet buffer allocation sizes.
+ *  This function converts the retrieved value into the correct table value
+ *     0x0 0x1 0x2 0x3 0x4 0x5 0x6 0x7
+ *  0x0 36  72 144   1   2   4   8  16
+ *  0x8 35  70 140 rsv rsv rsv rsv rsv
+ */
+u16 igb_rxpbs_adjust_82580(u32 data)
+{
+	u16 ret_val = 0;
+
+	if (data < E1000_82580_RXPBS_TABLE_SIZE)
+		ret_val = e1000_82580_rxpbs_table[data];
+
+	return ret_val;
+}
+
 static struct e1000_mac_operations e1000_mac_ops_82575 = {
-	.reset_hw             = igb_reset_hw_82575,
 	.init_hw              = igb_init_hw_82575,
 	.check_for_link       = igb_check_for_link_82575,
 	.rar_set              = igb_rar_set,
diff --git a/drivers/net/igb/e1000_82575.h b/drivers/net/igb/e1000_82575.h
index b3808ca49ef..d51c9927c81 100644
--- a/drivers/net/igb/e1000_82575.h
+++ b/drivers/net/igb/e1000_82575.h
@@ -38,6 +38,11 @@ extern void igb_rx_fifo_flush_82575(struct e1000_hw *hw);
 
 #define E1000_RAR_ENTRIES_82575   16
 #define E1000_RAR_ENTRIES_82576   24
+#define E1000_RAR_ENTRIES_82580   24
+
+#define E1000_SW_SYNCH_MB              0x00000100
+#define E1000_STAT_DEV_RST_SET         0x00100000
+#define E1000_CTRL_DEV_RST             0x20000000
 
 /* SRRCTL bit definitions */
 #define E1000_SRRCTL_BSIZEPKT_SHIFT                     10 /* Shift _right_ */
@@ -232,5 +237,6 @@ struct e1000_adv_tx_context_desc {
 #define E1000_RXPBS_SIZE_MASK_82576  0x0000007F
 void igb_vmdq_set_loopback_pf(struct e1000_hw *, bool);
 void igb_vmdq_set_replication_pf(struct e1000_hw *, bool);
+u16 igb_rxpbs_adjust_82580(u32 data);
 
 #endif
diff --git a/drivers/net/igb/e1000_defines.h b/drivers/net/igb/e1000_defines.h
index 48fcab03b75..c58c4fdfee0 100644
--- a/drivers/net/igb/e1000_defines.h
+++ b/drivers/net/igb/e1000_defines.h
@@ -49,6 +49,7 @@
 #define E1000_CTRL_EXT_PFRSTD    0x00004000
 #define E1000_CTRL_EXT_LINK_MODE_MASK 0x00C00000
 #define E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES  0x00C00000
+#define E1000_CTRL_EXT_LINK_MODE_1000BASE_KX  0x00400000
 #define E1000_CTRL_EXT_LINK_MODE_SGMII   0x00800000
 #define E1000_CTRL_EXT_EIAME          0x01000000
 #define E1000_CTRL_EXT_IRCA           0x00000001
@@ -557,8 +558,12 @@
 #define NVM_ALT_MAC_ADDR_PTR       0x0037
 #define NVM_CHECKSUM_REG           0x003F
 
-#define E1000_NVM_CFG_DONE_PORT_0  0x40000 /* MNG config cycle done */
-#define E1000_NVM_CFG_DONE_PORT_1  0x80000 /* ...for second port */
+#define E1000_NVM_CFG_DONE_PORT_0  0x040000 /* MNG config cycle done */
+#define E1000_NVM_CFG_DONE_PORT_1  0x080000 /* ...for second port */
+#define E1000_NVM_CFG_DONE_PORT_2  0x100000 /* ...for third port */
+#define E1000_NVM_CFG_DONE_PORT_3  0x200000 /* ...for fourth port */
+
+#define NVM_82580_LAN_FUNC_OFFSET(a) (a ? (0x40 + (0x40 * a)) : 0)
 
 /* Mask bits for fields in Word 0x0f of the NVM */
 #define NVM_WORD0F_PAUSE_MASK       0x3000
@@ -625,6 +630,7 @@
  */
 #define M88E1111_I_PHY_ID    0x01410CC0
 #define IGP03E1000_E_PHY_ID  0x02A80390
+#define I82580_I_PHY_ID      0x015403A0
 #define M88_VENDOR           0x0141
 
 /* M88E1000 Specific Registers */
diff --git a/drivers/net/igb/e1000_hw.h b/drivers/net/igb/e1000_hw.h
index 5deda3e7842..dbaeb5f5e0c 100644
--- a/drivers/net/igb/e1000_hw.h
+++ b/drivers/net/igb/e1000_hw.h
@@ -47,19 +47,30 @@ struct e1000_hw;
 #define E1000_DEV_ID_82575EB_COPPER           0x10A7
 #define E1000_DEV_ID_82575EB_FIBER_SERDES     0x10A9
 #define E1000_DEV_ID_82575GB_QUAD_COPPER      0x10D6
+#define E1000_DEV_ID_82580_COPPER             0x150E
+#define E1000_DEV_ID_82580_FIBER              0x150F
+#define E1000_DEV_ID_82580_SERDES             0x1510
+#define E1000_DEV_ID_82580_SGMII              0x1511
+#define E1000_DEV_ID_82580_COPPER_DUAL        0x1516
 
 #define E1000_REVISION_2 2
 #define E1000_REVISION_4 4
 
 #define E1000_FUNC_0     0
 #define E1000_FUNC_1     1
+#define E1000_FUNC_2     2
+#define E1000_FUNC_3     3
 
+#define E1000_ALT_MAC_ADDRESS_OFFSET_LAN0   0
 #define E1000_ALT_MAC_ADDRESS_OFFSET_LAN1   3
+#define E1000_ALT_MAC_ADDRESS_OFFSET_LAN2   6
+#define E1000_ALT_MAC_ADDRESS_OFFSET_LAN3   9
 
 enum e1000_mac_type {
 	e1000_undefined = 0,
 	e1000_82575,
 	e1000_82576,
+	e1000_82580,
 	e1000_num_macs  /* List is 1-based, so subtract 1 for true count. */
 };
 
@@ -290,6 +301,7 @@ struct e1000_mac_operations {
 
 struct e1000_phy_operations {
 	s32  (*acquire)(struct e1000_hw *);
+	s32  (*check_polarity)(struct e1000_hw *);
 	s32  (*check_reset_block)(struct e1000_hw *);
 	s32  (*force_speed_duplex)(struct e1000_hw *);
 	s32  (*get_cfg_done)(struct e1000_hw *hw);
@@ -466,6 +478,7 @@ struct e1000_mbx_info {
 
 struct e1000_dev_spec_82575 {
 	bool sgmii_active;
+	bool global_device_reset;
 };
 
 struct e1000_hw {
diff --git a/drivers/net/igb/e1000_phy.c b/drivers/net/igb/e1000_phy.c
index b8fbc8558fe..5c9d73e9bb8 100644
--- a/drivers/net/igb/e1000_phy.c
+++ b/drivers/net/igb/e1000_phy.c
@@ -136,7 +136,7 @@ out:
  *  Reads the MDI control regsiter in the PHY at offset and stores the
  *  information read to data.
  **/
-static s32 igb_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data)
+s32 igb_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data)
 {
 	struct e1000_phy_info *phy = &hw->phy;
 	u32 i, mdic = 0;
@@ -194,7 +194,7 @@ out:
  *
  *  Writes data to MDI control register in the PHY at offset.
  **/
-static s32 igb_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data)
+s32 igb_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data)
 {
 	struct e1000_phy_info *phy = &hw->phy;
 	u32 i, mdic = 0;
@@ -1947,7 +1947,7 @@ s32 igb_phy_init_script_igp3(struct e1000_hw *hw)
  *
  *  Polarity is determined based on the PHY specific status register.
  **/
-s32 igb_check_polarity_82580(struct e1000_hw *hw)
+static s32 igb_check_polarity_82580(struct e1000_hw *hw)
 {
 	struct e1000_phy_info *phy = &hw->phy;
 	s32 ret_val;
diff --git a/drivers/net/igb/e1000_phy.h b/drivers/net/igb/e1000_phy.h
index e23b0211a20..555eb54bb6e 100644
--- a/drivers/net/igb/e1000_phy.h
+++ b/drivers/net/igb/e1000_phy.h
@@ -61,10 +61,11 @@ s32  igb_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data);
 s32  igb_phy_has_link(struct e1000_hw *hw, u32 iterations,
 				u32 usec_interval, bool *success);
 s32  igb_phy_init_script_igp3(struct e1000_hw *hw);
+s32  igb_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data);
+s32  igb_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data);
 s32  igb_read_phy_reg_i2c(struct e1000_hw *hw, u32 offset, u16 *data);
 s32  igb_write_phy_reg_i2c(struct e1000_hw *hw, u32 offset, u16 data);
 s32  igb_copper_link_setup_82580(struct e1000_hw *hw);
-s32  igb_check_polarity_82580(struct e1000_hw *hw);
 s32  igb_get_phy_info_82580(struct e1000_hw *hw);
 s32  igb_phy_force_speed_duplex_82580(struct e1000_hw *hw);
 s32  igb_get_cable_length_82580(struct e1000_hw *hw);
diff --git a/drivers/net/igb/e1000_regs.h b/drivers/net/igb/e1000_regs.h
index 934e03b053a..409c44b4d77 100644
--- a/drivers/net/igb/e1000_regs.h
+++ b/drivers/net/igb/e1000_regs.h
@@ -34,6 +34,7 @@
 #define E1000_EERD     0x00014  /* EEPROM Read - RW */
 #define E1000_CTRL_EXT 0x00018  /* Extended Device Control - RW */
 #define E1000_MDIC     0x00020  /* MDI Control - RW */
+#define E1000_MDICNFG  0x00E04  /* MDI Config - RW */
 #define E1000_SCTL     0x00024  /* SerDes Control - RW */
 #define E1000_FCAL     0x00028  /* Flow Control Address Low - RW */
 #define E1000_FCAH     0x0002C  /* Flow Control Address High -RW */
-- 
GitLab


From 55cac248caa4a5f181a11cd2f269a672bef3d3b5 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Thu, 19 Nov 2009 12:42:21 +0000
Subject: [PATCH 1415/1815] igb: Add full support for 82580 devices

This patch makes use of the 82580 PHY and MAC support added and adds a set
of supported device IDs for said hardware.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/e1000_defines.h |   7 ++
 drivers/net/igb/e1000_regs.h    |   4 +
 drivers/net/igb/igb.h           |   1 +
 drivers/net/igb/igb_ethtool.c   |  53 +++++++++++++
 drivers/net/igb/igb_main.c      | 131 +++++++++++++++++++++++++++++++-
 5 files changed, 193 insertions(+), 3 deletions(-)

diff --git a/drivers/net/igb/e1000_defines.h b/drivers/net/igb/e1000_defines.h
index c58c4fdfee0..6e036ae3138 100644
--- a/drivers/net/igb/e1000_defines.h
+++ b/drivers/net/igb/e1000_defines.h
@@ -330,6 +330,7 @@
 #define E1000_ICR_RXDMT0        0x00000010 /* rx desc min. threshold (0) */
 #define E1000_ICR_RXT0          0x00000080 /* rx timer intr (ring 0) */
 #define E1000_ICR_VMMB          0x00000100 /* VM MB event */
+#define E1000_ICR_DRSTA         0x40000000 /* Device Reset Asserted */
 /* If this bit asserted, the driver should claim the interrupt */
 #define E1000_ICR_INT_ASSERTED  0x80000000
 /* LAN connected device generates an interrupt */
@@ -371,6 +372,7 @@
 #define E1000_IMS_RXSEQ     E1000_ICR_RXSEQ     /* rx sequence error */
 #define E1000_IMS_RXDMT0    E1000_ICR_RXDMT0    /* rx desc min. threshold */
 #define E1000_IMS_RXT0      E1000_ICR_RXT0      /* rx timer intr */
+#define E1000_IMS_DRSTA     E1000_ICR_DRSTA     /* Device Reset Asserted */
 #define E1000_IMS_DOUTSYNC  E1000_ICR_DOUTSYNC /* NIC DMA out of sync */
 
 /* Extended Interrupt Mask Set */
@@ -379,6 +381,7 @@
 /* Interrupt Cause Set */
 #define E1000_ICS_LSC       E1000_ICR_LSC       /* Link Status Change */
 #define E1000_ICS_RXDMT0    E1000_ICR_RXDMT0    /* rx desc min. threshold */
+#define E1000_ICS_DRSTA     E1000_ICR_DRSTA     /* Device Reset Aserted */
 
 /* Extended Interrupt Cause Set */
 
@@ -717,4 +720,8 @@
 #define E1000_VFTA_ENTRY_MASK                0x7F
 #define E1000_VFTA_ENTRY_BIT_SHIFT_MASK      0x1F
 
+/* DMA Coalescing register fields */
+#define E1000_PCIEMISC_LX_DECISION      0x00000080 /* Lx power decision based
+                                                      on DMA coal */
+
 #endif
diff --git a/drivers/net/igb/e1000_regs.h b/drivers/net/igb/e1000_regs.h
index 409c44b4d77..dd4e6ffd29f 100644
--- a/drivers/net/igb/e1000_regs.h
+++ b/drivers/net/igb/e1000_regs.h
@@ -89,6 +89,8 @@
 #define E1000_SYSTIML    0x0B600 /* System time register Low - RO */
 #define E1000_SYSTIMH    0x0B604 /* System time register High - RO */
 #define E1000_TIMINCA    0x0B608 /* Increment attributes register - RW */
+#define E1000_TSAUXC     0x0B640 /* Timesync Auxiliary Control register */
+#define E1000_SYSTIMR    0x0B6F8 /* System time register Residue */
 
 /* Filtering Registers */
 #define E1000_SAQF(_n) (0x5980 + 4 * (_n))
@@ -318,4 +320,6 @@
 #define array_rd32(reg, offset) \
 	(readl(hw->hw_addr + reg + ((offset) << 2)))
 
+/* DMA Coalescing registers */
+#define E1000_PCIEMISC          0x05BB8 /* PCIE misc config register */
 #endif
diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index 63abd1c0d75..c458d9b188b 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -320,6 +320,7 @@ struct igb_adapter {
 #define IGB_FLAG_QUEUE_PAIRS       (1 << 3)
 
 #define IGB_82576_TSYNC_SHIFT 19
+#define IGB_82580_TSYNC_SHIFT 24
 enum e1000_state_t {
 	__IGB_TESTING,
 	__IGB_RESETTING,
diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
index 2e238bfa1f9..ac9d5272650 100644
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -881,6 +881,49 @@ struct igb_reg_test {
 #define TABLE64_TEST_LO	5
 #define TABLE64_TEST_HI	6
 
+/* 82580 reg test */
+static struct igb_reg_test reg_test_82580[] = {
+	{ E1000_FCAL,	   0x100, 1,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_FCAH,	   0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
+	{ E1000_FCT,	   0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
+	{ E1000_VET,	   0x100, 1,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_RDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
+	{ E1000_RDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_RDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
+	{ E1000_RDBAL(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
+	{ E1000_RDBAH(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_RDLEN(4),  0x40,  4,  PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
+	/* RDH is read-only for 82580, only test RDT. */
+	{ E1000_RDT(0),	   0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+	{ E1000_RDT(4),	   0x40,  4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+	{ E1000_FCRTH,	   0x100, 1,  PATTERN_TEST, 0x0000FFF0, 0x0000FFF0 },
+	{ E1000_FCTTV,	   0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+	{ E1000_TIPG,	   0x100, 1,  PATTERN_TEST, 0x3FFFFFFF, 0x3FFFFFFF },
+	{ E1000_TDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
+	{ E1000_TDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_TDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
+	{ E1000_TDBAL(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
+	{ E1000_TDBAH(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_TDLEN(4),  0x40,  4,  PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
+	{ E1000_TDT(0),	   0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+	{ E1000_TDT(4),	   0x40,  4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+	{ E1000_RCTL,	   0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
+	{ E1000_RCTL, 	   0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0x003FFFFB },
+	{ E1000_RCTL, 	   0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0xFFFFFFFF },
+	{ E1000_TCTL,	   0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
+	{ E1000_RA,	   0, 16, TABLE64_TEST_LO,
+						0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_RA,	   0, 16, TABLE64_TEST_HI,
+						0x83FFFFFF, 0xFFFFFFFF },
+	{ E1000_RA2,	   0, 8, TABLE64_TEST_LO,
+						0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_RA2,	   0, 8, TABLE64_TEST_HI,
+						0x83FFFFFF, 0xFFFFFFFF },
+	{ E1000_MTA,	   0, 128, TABLE32_TEST,
+						0xFFFFFFFF, 0xFFFFFFFF },
+	{ 0, 0, 0, 0 }
+};
+
 /* 82576 reg test */
 static struct igb_reg_test reg_test_82576[] = {
 	{ E1000_FCAL,	   0x100, 1,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
@@ -1013,6 +1056,10 @@ static int igb_reg_test(struct igb_adapter *adapter, u64 *data)
 	u32 i, toggle;
 
 	switch (adapter->hw.mac.type) {
+	case e1000_82580:
+		test = reg_test_82580;
+		toggle = 0x7FEFF3FF;
+		break;
 	case e1000_82576:
 		test = reg_test_82576;
 		toggle = 0x7FFFF3FF;
@@ -1167,6 +1214,9 @@ static int igb_intr_test(struct igb_adapter *adapter, u64 *data)
 	case e1000_82576:
 		ics_mask = 0x77D4FBFD;
 		break;
+	case e1000_82580:
+		ics_mask = 0x77DCFED5;
+		break;
 	default:
 		ics_mask = 0x7FFFFFFF;
 		break;
@@ -1338,6 +1388,9 @@ static int igb_integrated_phy_loopback(struct igb_adapter *adapter)
 		igb_write_phy_reg(hw, PHY_CONTROL, 0x9140);
 		/* autoneg off */
 		igb_write_phy_reg(hw, PHY_CONTROL, 0x8140);
+	} else if (hw->phy.type == e1000_phy_82580) {
+		/* enable MII loopback */
+		igb_write_phy_reg(hw, I82580_PHY_LBK_CTRL, 0x8041);
 	}
 
 	ctrl_reg = rd32(E1000_CTRL);
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 958305e92d6..bb1a6eeade0 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -49,7 +49,7 @@
 #endif
 #include "igb.h"
 
-#define DRV_VERSION "1.3.16-k2"
+#define DRV_VERSION "2.1.0-k2"
 char igb_driver_name[] = "igb";
 char igb_driver_version[] = DRV_VERSION;
 static const char igb_driver_string[] =
@@ -61,6 +61,11 @@ static const struct e1000_info *igb_info_tbl[] = {
 };
 
 static struct pci_device_id igb_pci_tbl[] = {
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82580_COPPER), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82580_FIBER), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82580_SERDES), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82580_SGMII), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82580_COPPER_DUAL), board_82575 },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576), board_82575 },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_NS), board_82575 },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_NS_SERDES), board_82575 },
@@ -195,6 +200,16 @@ static cycle_t igb_read_clock(const struct cyclecounter *tc)
 	u64 stamp = 0;
 	int shift = 0;
 
+	/*
+	 * The timestamp latches on lowest register read. For the 82580
+	 * the lowest register is SYSTIMR instead of SYSTIML.  However we never
+	 * adjusted TIMINCA so SYSTIMR will just read as all 0s so ignore it.
+	 */
+	if (hw->mac.type == e1000_82580) {
+		stamp = rd32(E1000_SYSTIMR) >> 8;
+		shift = IGB_82580_TSYNC_SHIFT;
+	}
+
 	stamp |= (u64)rd32(E1000_SYSTIML) << shift;
 	stamp |= (u64)rd32(E1000_SYSTIMH) << (shift + 32);
 	return stamp;
@@ -304,6 +319,7 @@ static void igb_cache_ring_register(struct igb_adapter *adapter)
 				                              Q_IDX_82576(j);
 		}
 	case e1000_82575:
+	case e1000_82580:
 	default:
 		for (; i < adapter->num_rx_queues; i++)
 			adapter->rx_ring[i].reg_idx = rbase_offset + i;
@@ -443,6 +459,39 @@ static void igb_assign_vector(struct igb_q_vector *q_vector, int msix_vector)
 		}
 		q_vector->eims_value = 1 << msix_vector;
 		break;
+	case e1000_82580:
+		/* 82580 uses the same table-based approach as 82576 but has fewer
+		   entries as a result we carry over for queues greater than 4. */
+		if (rx_queue > IGB_N0_QUEUE) {
+			index = (rx_queue >> 1);
+			ivar = array_rd32(E1000_IVAR0, index);
+			if (rx_queue & 0x1) {
+				/* vector goes into third byte of register */
+				ivar = ivar & 0xFF00FFFF;
+				ivar |= (msix_vector | E1000_IVAR_VALID) << 16;
+			} else {
+				/* vector goes into low byte of register */
+				ivar = ivar & 0xFFFFFF00;
+				ivar |= msix_vector | E1000_IVAR_VALID;
+			}
+			array_wr32(E1000_IVAR0, index, ivar);
+		}
+		if (tx_queue > IGB_N0_QUEUE) {
+			index = (tx_queue >> 1);
+			ivar = array_rd32(E1000_IVAR0, index);
+			if (tx_queue & 0x1) {
+				/* vector goes into high byte of register */
+				ivar = ivar & 0x00FFFFFF;
+				ivar |= (msix_vector | E1000_IVAR_VALID) << 24;
+			} else {
+				/* vector goes into second byte of register */
+				ivar = ivar & 0xFFFF00FF;
+				ivar |= (msix_vector | E1000_IVAR_VALID) << 8;
+			}
+			array_wr32(E1000_IVAR0, index, ivar);
+		}
+		q_vector->eims_value = 1 << msix_vector;
+		break;
 	default:
 		BUG();
 		break;
@@ -484,6 +533,7 @@ static void igb_configure_msix(struct igb_adapter *adapter)
 		break;
 
 	case e1000_82576:
+	case e1000_82580:
 		/* Turn on MSI-X capability first, or our settings
 		 * won't stick.  And it will take days to debug. */
 		wr32(E1000_GPIE, E1000_GPIE_MSIX_MODE |
@@ -866,6 +916,7 @@ static int igb_request_irq(struct igb_adapter *adapter)
 			      E1000_EICR_TX_QUEUE0 |
 			      E1000_EIMS_OTHER));
 			break;
+		case e1000_82580:
 		case e1000_82576:
 			wr32(E1000_IVAR0, E1000_IVAR_VALID);
 			break;
@@ -959,10 +1010,15 @@ static void igb_irq_enable(struct igb_adapter *adapter)
 			wr32(E1000_MBVFIMR, 0xFF);
 			ims |= E1000_IMS_VMMB;
 		}
+		if (adapter->hw.mac.type == e1000_82580)
+			ims |= E1000_IMS_DRSTA;
+
 		wr32(E1000_IMS, ims);
 	} else {
-		wr32(E1000_IMS, IMS_ENABLE_MASK);
-		wr32(E1000_IAM, IMS_ENABLE_MASK);
+		wr32(E1000_IMS, IMS_ENABLE_MASK |
+				E1000_IMS_DRSTA);
+		wr32(E1000_IAM, IMS_ENABLE_MASK |
+				E1000_IMS_DRSTA);
 	}
 }
 
@@ -1184,6 +1240,10 @@ void igb_reset(struct igb_adapter *adapter)
 	 * To take effect CTRL.RST is required.
 	 */
 	switch (mac->type) {
+	case e1000_82580:
+		pba = rd32(E1000_RXPBS);
+		pba = igb_rxpbs_adjust_82580(pba);
+		break;
 	case e1000_82576:
 		pba = rd32(E1000_RXPBS);
 		pba &= E1000_RXPBS_SIZE_MASK_82576;
@@ -1278,6 +1338,11 @@ void igb_reset(struct igb_adapter *adapter)
 	if (hw->mac.ops.init_hw(hw))
 		dev_err(&pdev->dev, "Hardware Error\n");
 
+	if (hw->mac.type == e1000_82580) {
+		u32 reg = rd32(E1000_PCIEMISC);
+		wr32(E1000_PCIEMISC,
+		                reg & ~E1000_PCIEMISC_LX_DECISION);
+	}
 	igb_update_mng_vlan(adapter);
 
 	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
@@ -1508,6 +1573,10 @@ static int __devinit igb_probe(struct pci_dev *pdev,
 
 	if (hw->bus.func == 0)
 		hw->nvm.ops.read(hw, NVM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
+	else if (hw->mac.type == e1000_82580)
+		hw->nvm.ops.read(hw, NVM_INIT_CONTROL3_PORT_A +
+		                 NVM_82580_LAN_FUNC_OFFSET(hw->bus.func), 1,
+		                 &eeprom_data);
 	else if (hw->bus.func == 1)
 		hw->nvm.ops.read(hw, NVM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
 
@@ -1746,6 +1815,48 @@ static void igb_init_hw_timer(struct igb_adapter *adapter)
 	struct e1000_hw *hw = &adapter->hw;
 
 	switch (hw->mac.type) {
+	case e1000_82580:
+		memset(&adapter->cycles, 0, sizeof(adapter->cycles));
+		adapter->cycles.read = igb_read_clock;
+		adapter->cycles.mask = CLOCKSOURCE_MASK(64);
+		adapter->cycles.mult = 1;
+		/*
+		 * The 82580 timesync updates the system timer every 8ns by 8ns
+		 * and the value cannot be shifted.  Instead we need to shift
+		 * the registers to generate a 64bit timer value.  As a result
+		 * SYSTIMR/L/H, TXSTMPL/H, RXSTMPL/H all have to be shifted by
+		 * 24 in order to generate a larger value for synchronization.
+		 */
+		adapter->cycles.shift = IGB_82580_TSYNC_SHIFT;
+		/* disable system timer temporarily by setting bit 31 */
+		wr32(E1000_TSAUXC, 0x80000000);
+		wrfl();
+
+		/* Set registers so that rollover occurs soon to test this. */
+		wr32(E1000_SYSTIMR, 0x00000000);
+		wr32(E1000_SYSTIML, 0x80000000);
+		wr32(E1000_SYSTIMH, 0x000000FF);
+		wrfl();
+
+		/* enable system timer by clearing bit 31 */
+		wr32(E1000_TSAUXC, 0x0);
+		wrfl();
+
+		timecounter_init(&adapter->clock,
+				 &adapter->cycles,
+				 ktime_to_ns(ktime_get_real()));
+		/*
+		 * Synchronize our NIC clock against system wall clock. NIC
+		 * time stamp reading requires ~3us per sample, each sample
+		 * was pretty stable even under load => only require 10
+		 * samples for each offset comparison.
+		 */
+		memset(&adapter->compare, 0, sizeof(adapter->compare));
+		adapter->compare.source = &adapter->clock;
+		adapter->compare.target = ktime_get_real;
+		adapter->compare.num_samples = 10;
+		timecompare_update(&adapter->compare, 0);
+		break;
 	case e1000_82576:
 		/*
 		 * Initialize hardware timer: we keep it running just in case
@@ -2217,6 +2328,10 @@ static void igb_setup_mrqc(struct igb_adapter *adapter)
 	if (adapter->vfs_allocated_count) {
 		/* 82575 and 82576 supports 2 RSS queues for VMDq */
 		switch (hw->mac.type) {
+		case e1000_82580:
+			num_rx_queues = 1;
+			shift = 0;
+			break;
 		case e1000_82576:
 			shift = 3;
 			num_rx_queues = 2;
@@ -3694,6 +3809,9 @@ static void igb_tx_timeout(struct net_device *netdev)
 	/* Do the reset outside of interrupt context */
 	adapter->tx_timeout_count++;
 
+	if (hw->mac.type == e1000_82580)
+		hw->dev_spec._82575.global_device_reset = true;
+
 	schedule_work(&adapter->reset_task);
 	wr32(E1000_EICS,
 	     (adapter->eims_enable_mask & ~adapter->eims_other));
@@ -4700,6 +4818,13 @@ static void igb_systim_to_hwtstamp(struct igb_adapter *adapter,
 {
 	u64 ns;
 
+	/*
+	 * The 82580 starts with 1ns at bit 0 in RX/TXSTMPL, shift this up to
+	 * 24 to match clock shift we setup earlier.
+	 */
+	if (adapter->hw.mac.type == e1000_82580)
+		regval <<= IGB_82580_TSYNC_SHIFT;
+
 	ns = timecounter_cyc2time(&adapter->clock, regval);
 	timecompare_update(&adapter->compare, ns);
 	memset(shhwtstamps, 0, sizeof(struct skb_shared_hwtstamps));
-- 
GitLab


From eb6d02133cf5451fece3a37ccccf2ce7c09a09c1 Mon Sep 17 00:00:00 2001
From: Amit Kumar Salecha <amit.salecha@qlogic.com>
Date: Thu, 19 Nov 2009 15:08:12 +0000
Subject: [PATCH 1416/1815] netxen: remove PCI IDs of CNA device

Remove PCI vendor and device IDs for QLE8240 and QLE8242
CNA devices. CNA devices will have separate driver.

Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/netxen/netxen_nic_main.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 12d1037cd81..bfbf75c17cf 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -95,11 +95,6 @@ static void netxen_config_indev_addr(struct net_device *dev, unsigned long);
 #define ENTRY(device) \
 	{PCI_DEVICE(PCI_VENDOR_ID_NETXEN, (device)), \
 	.class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
-#define ENTRY2(device) \
-	{PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
-	.class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
-
-#define PCI_DEVICE_ID_QLOGIC_QLE824X	0x8020
 
 static struct pci_device_id netxen_pci_tbl[] __devinitdata = {
 	ENTRY(PCI_DEVICE_ID_NX2031_10GXSR),
@@ -110,7 +105,6 @@ static struct pci_device_id netxen_pci_tbl[] __devinitdata = {
 	ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT),
 	ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT2),
 	ENTRY(PCI_DEVICE_ID_NX3031),
-	ENTRY2(PCI_DEVICE_ID_QLOGIC_QLE824X),
 	{0,}
 };
 
-- 
GitLab


From fa9a6fed87df1b50804405e700f8d30251d3aaf1 Mon Sep 17 00:00:00 2001
From: Sarveshwar Bandi <sarveshwarb@serverengines.com>
Date: Fri, 20 Nov 2009 14:23:47 -0800
Subject: [PATCH 1417/1815] be2net: Patch to flash redboot section while
 firmware update.

Please apply patch to update redboot section while firmware update. Code
checks if section needs to be updated before actually doing it.

Signed-off-by: Sarveshwar Bandi <sarveshwarb@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/benet/be_cmds.c | 29 +++++++++++++++++++++++++++++
 drivers/net/benet/be_cmds.h |  2 ++
 drivers/net/benet/be_hw.h   |  5 +++++
 drivers/net/benet/be_main.c | 31 +++++++++++++++++++++++++++++++
 4 files changed, 67 insertions(+)

diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c
index cc75dd0df0d..808ad0dd411 100644
--- a/drivers/net/benet/be_cmds.c
+++ b/drivers/net/benet/be_cmds.c
@@ -1251,3 +1251,32 @@ int be_cmd_write_flashrom(struct be_adapter *adapter, struct be_dma_mem *cmd,
 	spin_unlock_bh(&adapter->mcc_lock);
 	return status;
 }
+
+int be_cmd_get_flash_crc(struct be_adapter *adapter, u8 *flashed_crc)
+{
+	struct be_mcc_wrb *wrb;
+	struct be_cmd_write_flashrom *req;
+	int status;
+
+	spin_lock_bh(&adapter->mcc_lock);
+
+	wrb = wrb_from_mccq(adapter);
+	req = embedded_payload(wrb);
+
+	be_wrb_hdr_prepare(wrb, sizeof(*req)+4, true, 0);
+
+	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+		OPCODE_COMMON_READ_FLASHROM, sizeof(*req)+4);
+
+	req->params.op_type = cpu_to_le32(FLASHROM_TYPE_REDBOOT);
+	req->params.op_code = cpu_to_le32(FLASHROM_OPER_REPORT);
+	req->params.offset = 0x3FFFC;
+	req->params.data_buf_size = 0x4;
+
+	status = be_mcc_notify_wait(adapter);
+	if (!status)
+		memcpy(flashed_crc, req->params.data_buf, 4);
+
+	spin_unlock_bh(&adapter->mcc_lock);
+	return status;
+}
diff --git a/drivers/net/benet/be_cmds.h b/drivers/net/benet/be_cmds.h
index 69dc017c814..6a430e4d175 100644
--- a/drivers/net/benet/be_cmds.h
+++ b/drivers/net/benet/be_cmds.h
@@ -118,6 +118,7 @@ struct be_mcc_mailbox {
 #define OPCODE_COMMON_NTWK_MULTICAST_SET		3
 #define OPCODE_COMMON_NTWK_VLAN_CONFIG  		4
 #define OPCODE_COMMON_NTWK_LINK_STATUS_QUERY		5
+#define OPCODE_COMMON_READ_FLASHROM			6
 #define OPCODE_COMMON_WRITE_FLASHROM			7
 #define OPCODE_COMMON_CQ_CREATE				12
 #define OPCODE_COMMON_EQ_CREATE				13
@@ -846,3 +847,4 @@ extern int be_cmd_read_port_type(struct be_adapter *adapter, u32 port,
 extern int be_cmd_write_flashrom(struct be_adapter *adapter,
 			struct be_dma_mem *cmd, u32 flash_oper,
 			u32 flash_opcode, u32 buf_size);
+extern int be_cmd_get_flash_crc(struct be_adapter *adapter, u8 *flashed_crc);
diff --git a/drivers/net/benet/be_hw.h b/drivers/net/benet/be_hw.h
index a3394b4aa14..f53d5ca2da9 100644
--- a/drivers/net/benet/be_hw.h
+++ b/drivers/net/benet/be_hw.h
@@ -225,6 +225,7 @@ struct be_eth_rx_compl {
 #define NUM_FLASHDIR_ENTRIES		32
 
 #define FLASHROM_TYPE_ISCSI_ACTIVE	0
+#define FLASHROM_TYPE_REDBOOT		1
 #define FLASHROM_TYPE_BIOS		2
 #define FLASHROM_TYPE_PXE_BIOS		3
 #define FLASHROM_TYPE_FCOE_BIOS		8
@@ -234,9 +235,11 @@ struct be_eth_rx_compl {
 
 #define FLASHROM_OPER_FLASH		1
 #define FLASHROM_OPER_SAVE		2
+#define FLASHROM_OPER_REPORT		4
 
 #define FLASH_IMAGE_MAX_SIZE            (1310720) /* Max firmware image size */
 #define FLASH_BIOS_IMAGE_MAX_SIZE       (262144)  /* Max OPTION ROM image sz */
+#define FLASH_REDBOOT_IMAGE_MAX_SIZE    (262144)  /* Max redboot image sz */
 
 /* Offsets for components on Flash. */
 #define FLASH_iSCSI_PRIMARY_IMAGE_START (1048576)
@@ -246,6 +249,8 @@ struct be_eth_rx_compl {
 #define FLASH_iSCSI_BIOS_START          (7340032)
 #define FLASH_PXE_BIOS_START            (7864320)
 #define FLASH_FCoE_BIOS_START           (524288)
+#define FLASH_REDBOOT_START		(32768)
+#define FLASH_REDBOOT_ISM_START		(0)
 
 struct controller_id {
 	u32 vendor;
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index c0bd20356ea..921103c4019 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -1721,6 +1721,31 @@ static int be_close(struct net_device *netdev)
 #define FW_FILE_HDR_SIGN 	"ServerEngines Corp. "
 char flash_cookie[2][16] =	{"*** SE FLAS",
 				"H DIRECTORY *** "};
+
+static bool be_flash_redboot(struct be_adapter *adapter,
+			const u8 *p)
+{
+	u32 crc_offset;
+	u8 flashed_crc[4];
+	int status;
+	crc_offset = FLASH_REDBOOT_START + FLASH_REDBOOT_IMAGE_MAX_SIZE - 4
+			+ sizeof(struct flash_file_hdr) - 32*1024;
+	p += crc_offset;
+	status = be_cmd_get_flash_crc(adapter, flashed_crc);
+	if (status) {
+		dev_err(&adapter->pdev->dev,
+		"could not get crc from flash, not flashing redboot\n");
+		return false;
+	}
+
+	/*update redboot only if crc does not match*/
+	if (!memcmp(flashed_crc, p, 4))
+		return false;
+	else
+		return true;
+
+}
+
 static int be_flash_image(struct be_adapter *adapter,
 			const struct firmware *fw,
 			struct be_dma_mem *flash_cmd, u32 flash_type)
@@ -1760,6 +1785,12 @@ static int be_flash_image(struct be_adapter *adapter,
 		image_offset = FLASH_PXE_BIOS_START;
 		image_size = FLASH_BIOS_IMAGE_MAX_SIZE;
 		break;
+	case FLASHROM_TYPE_REDBOOT:
+		if (!be_flash_redboot(adapter, fw->data))
+			return 0;
+		image_offset = FLASH_REDBOOT_ISM_START;
+		image_size = FLASH_REDBOOT_IMAGE_MAX_SIZE;
+		break;
 	default:
 		return 0;
 	}
-- 
GitLab


From 8964be4a9a5ca8cab1219bb046db2f6d1936227c Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 20 Nov 2009 15:35:04 -0800
Subject: [PATCH 1418/1815] net: rename skb->iif to skb->skb_iif

To help grep games, rename iif to skb_iif

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/ieee802154/fakehard.c     | 2 +-
 drivers/net/ifb.c                 | 6 +++---
 include/linux/skbuff.h            | 4 ++--
 include/net/pkt_cls.h             | 4 ++--
 net/core/dev.c                    | 6 +++---
 net/core/skbuff.c                 | 2 +-
 net/netlabel/netlabel_unlabeled.c | 2 +-
 net/sched/act_mirred.c            | 2 +-
 net/sched/cls_flow.c              | 2 +-
 security/selinux/hooks.c          | 6 +++---
 security/smack/smack_lsm.c        | 4 ++--
 11 files changed, 20 insertions(+), 20 deletions(-)

diff --git a/drivers/ieee802154/fakehard.c b/drivers/ieee802154/fakehard.c
index f877f13e3ab..617549f30ef 100644
--- a/drivers/ieee802154/fakehard.c
+++ b/drivers/ieee802154/fakehard.c
@@ -282,7 +282,7 @@ static int ieee802154_fake_close(struct net_device *dev)
 static netdev_tx_t ieee802154_fake_xmit(struct sk_buff *skb,
 					      struct net_device *dev)
 {
-	skb->iif = dev->ifindex;
+	skb->skb_iif = dev->ifindex;
 	skb->dev = dev;
 	dev->stats.tx_packets++;
 	dev->stats.tx_bytes += skb->len;
diff --git a/drivers/net/ifb.c b/drivers/net/ifb.c
index 69c25668dd6..f4081c0a2d9 100644
--- a/drivers/net/ifb.c
+++ b/drivers/net/ifb.c
@@ -99,7 +99,7 @@ static void ri_tasklet(unsigned long dev)
 		stats->tx_bytes +=skb->len;
 
 		rcu_read_lock();
-		skb->dev = dev_get_by_index_rcu(&init_net, skb->iif);
+		skb->dev = dev_get_by_index_rcu(&init_net, skb->skb_iif);
 		if (!skb->dev) {
 			rcu_read_unlock();
 			dev_kfree_skb(skb);
@@ -107,7 +107,7 @@ static void ri_tasklet(unsigned long dev)
 			break;
 		}
 		rcu_read_unlock();
-		skb->iif = _dev->ifindex;
+		skb->skb_iif = _dev->ifindex;
 
 		if (from & AT_EGRESS) {
 			dp->st_rx_frm_egr++;
@@ -172,7 +172,7 @@ static netdev_tx_t ifb_xmit(struct sk_buff *skb, struct net_device *dev)
 	stats->rx_packets++;
 	stats->rx_bytes+=skb->len;
 
-	if (!(from & (AT_INGRESS|AT_EGRESS)) || !skb->iif) {
+	if (!(from & (AT_INGRESS|AT_EGRESS)) || !skb->skb_iif) {
 		dev_kfree_skb(skb);
 		stats->rx_dropped++;
 		return NETDEV_TX_OK;
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 63f47426977..89eed8cdd31 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -299,7 +299,7 @@ typedef unsigned char *sk_buff_data_t;
  *	@nfctinfo: Relationship of this skb to the connection
  *	@nfct_reasm: netfilter conntrack re-assembly pointer
  *	@nf_bridge: Saved data about a bridged frame - see br_netfilter.c
- *	@iif: ifindex of device we arrived on
+ *	@skb_iif: ifindex of device we arrived on
  *	@queue_mapping: Queue mapping for multiqueue devices
  *	@tc_index: Traffic control index
  *	@tc_verd: traffic control verdict
@@ -366,7 +366,7 @@ struct sk_buff {
 	struct nf_bridge_info	*nf_bridge;
 #endif
 
-	int			iif;
+	int			skb_iif;
 #ifdef CONFIG_NET_SCHED
 	__u16			tc_index;	/* traffic control index */
 #ifdef CONFIG_NET_CLS_ACT
diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h
index 3dd210d073c..dd3031aed9d 100644
--- a/include/net/pkt_cls.h
+++ b/include/net/pkt_cls.h
@@ -343,9 +343,9 @@ tcf_match_indev(struct sk_buff *skb, char *indev)
 	struct net_device *dev;
 
 	if (indev[0]) {
-		if  (!skb->iif)
+		if  (!skb->skb_iif)
 			return 0;
-		dev = __dev_get_by_index(dev_net(skb->dev), skb->iif);
+		dev = __dev_get_by_index(dev_net(skb->dev), skb->skb_iif);
 		if (!dev || strcmp(indev, dev->name))
 			return 0;
 	}
diff --git a/net/core/dev.c b/net/core/dev.c
index 9977288583b..09f3d6b9c0c 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2287,7 +2287,7 @@ static int ing_filter(struct sk_buff *skb)
 	if (MAX_RED_LOOP < ttl++) {
 		printk(KERN_WARNING
 		       "Redir loop detected Dropping packet (%d->%d)\n",
-		       skb->iif, dev->ifindex);
+		       skb->skb_iif, dev->ifindex);
 		return TC_ACT_SHOT;
 	}
 
@@ -2395,8 +2395,8 @@ int netif_receive_skb(struct sk_buff *skb)
 	if (netpoll_receive_skb(skb))
 		return NET_RX_DROP;
 
-	if (!skb->iif)
-		skb->iif = skb->dev->ifindex;
+	if (!skb->skb_iif)
+		skb->skb_iif = skb->dev->ifindex;
 
 	null_or_orig = NULL;
 	orig_dev = skb->dev;
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 739b8f4dd32..bfa3e7865a8 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -549,7 +549,7 @@ static void __copy_skb_header(struct sk_buff *new, const struct sk_buff *old)
 #endif
 	new->protocol		= old->protocol;
 	new->mark		= old->mark;
-	new->iif		= old->iif;
+	new->skb_iif		= old->skb_iif;
 	__nf_copy(new, old);
 #if defined(CONFIG_NETFILTER_XT_TARGET_TRACE) || \
     defined(CONFIG_NETFILTER_XT_TARGET_TRACE_MODULE)
diff --git a/net/netlabel/netlabel_unlabeled.c b/net/netlabel/netlabel_unlabeled.c
index 3dfe2bac862..98ed22ee2ff 100644
--- a/net/netlabel/netlabel_unlabeled.c
+++ b/net/netlabel/netlabel_unlabeled.c
@@ -1550,7 +1550,7 @@ int netlbl_unlabel_getattr(const struct sk_buff *skb,
 	struct netlbl_unlhsh_iface *iface;
 
 	rcu_read_lock();
-	iface = netlbl_unlhsh_search_iface_def(skb->iif);
+	iface = netlbl_unlhsh_search_iface_def(skb->skb_iif);
 	if (iface == NULL)
 		goto unlabel_getattr_nolabel;
 	switch (family) {
diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index 79747936988..d329170243c 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -185,7 +185,7 @@ static int tcf_mirred(struct sk_buff *skb, struct tc_action *a,
 		skb2->tc_verd = SET_TC_FROM(skb2->tc_verd, at);
 
 	skb2->dev = dev;
-	skb2->iif = skb->dev->ifindex;
+	skb2->skb_iif = skb->dev->ifindex;
 	dev_queue_xmit(skb2);
 	err = 0;
 
diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c
index 9402a7fd378..e054c62857e 100644
--- a/net/sched/cls_flow.c
+++ b/net/sched/cls_flow.c
@@ -171,7 +171,7 @@ static u32 flow_get_proto_dst(const struct sk_buff *skb)
 
 static u32 flow_get_iif(const struct sk_buff *skb)
 {
-	return skb->iif;
+	return skb->skb_iif;
 }
 
 static u32 flow_get_priority(const struct sk_buff *skb)
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index bb230d5d708..83a4aada0b4 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -4085,7 +4085,7 @@ static int selinux_sock_rcv_skb_compat(struct sock *sk, struct sk_buff *skb,
 	char *addrp;
 
 	COMMON_AUDIT_DATA_INIT(&ad, NET);
-	ad.u.net.netif = skb->iif;
+	ad.u.net.netif = skb->skb_iif;
 	ad.u.net.family = family;
 	err = selinux_parse_skb(skb, &ad, &addrp, 1, NULL);
 	if (err)
@@ -4147,7 +4147,7 @@ static int selinux_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
 		return 0;
 
 	COMMON_AUDIT_DATA_INIT(&ad, NET);
-	ad.u.net.netif = skb->iif;
+	ad.u.net.netif = skb->skb_iif;
 	ad.u.net.family = family;
 	err = selinux_parse_skb(skb, &ad, &addrp, 1, NULL);
 	if (err)
@@ -4159,7 +4159,7 @@ static int selinux_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
 		err = selinux_skb_peerlbl_sid(skb, family, &peer_sid);
 		if (err)
 			return err;
-		err = selinux_inet_sys_rcv_skb(skb->iif, addrp, family,
+		err = selinux_inet_sys_rcv_skb(skb->skb_iif, addrp, family,
 					       peer_sid, &ad);
 		if (err) {
 			selinux_netlbl_err(skb, err, 0);
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index c33b6bb9b6d..529c9ca6587 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -2602,7 +2602,7 @@ static int smack_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
 #ifdef CONFIG_AUDIT
 	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_NET);
 	ad.a.u.net.family = sk->sk_family;
-	ad.a.u.net.netif = skb->iif;
+	ad.a.u.net.netif = skb->skb_iif;
 	ipv4_skb_to_auditdata(skb, &ad.a, NULL);
 #endif
 	/*
@@ -2757,7 +2757,7 @@ static int smack_inet_conn_request(struct sock *sk, struct sk_buff *skb,
 #ifdef CONFIG_AUDIT
 	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_NET);
 	ad.a.u.net.family = family;
-	ad.a.u.net.netif = skb->iif;
+	ad.a.u.net.netif = skb->skb_iif;
 	ipv4_skb_to_auditdata(skb, &ad.a, NULL);
 #endif
 	/*
-- 
GitLab


From e994b7c901ded7200b525a707c6da71f2cf6d4bb Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Sat, 21 Nov 2009 11:22:25 -0800
Subject: [PATCH 1419/1815] tcp: Don't make syn cookies initial setting depend
 on CONFIG_SYSCTL

That's extremely non-intuitive, noticed by William Allen Simpson.

And let's make the default be on, it's been suggested by a lot of
people so we'll give it a try.

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/tcp_minisocks.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 4be22280e6b..ab32c181f74 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -26,13 +26,7 @@
 #include <net/inet_common.h>
 #include <net/xfrm.h>
 
-#ifdef CONFIG_SYSCTL
-#define SYNC_INIT 0 /* let the user enable it */
-#else
-#define SYNC_INIT 1
-#endif
-
-int sysctl_tcp_syncookies __read_mostly = SYNC_INIT;
+int sysctl_tcp_syncookies __read_mostly = 1;
 EXPORT_SYMBOL(sysctl_tcp_syncookies);
 
 int sysctl_tcp_abort_on_overflow __read_mostly;
-- 
GitLab


From 1fbfca3211ce50d992d66bcda71fc47bf5e268c9 Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Fri, 20 Nov 2009 23:22:01 +0000
Subject: [PATCH 1420/1815] e1000e: check WoL mode is among set of supported
 modes

When setting WoL feature, check the supplied modes are all supported rather
than checking for no support.  This way, if any new modes are added the
driver does not default to not complaining about it if we don't really
support it.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/ethtool.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c
index c430dc8b70a..3af5ee4a4cc 100644
--- a/drivers/net/e1000e/ethtool.c
+++ b/drivers/net/e1000e/ethtool.c
@@ -1777,12 +1777,11 @@ static int e1000_set_wol(struct net_device *netdev,
 {
 	struct e1000_adapter *adapter = netdev_priv(netdev);
 
-	if (wol->wolopts & WAKE_MAGICSECURE)
-		return -EOPNOTSUPP;
-
 	if (!(adapter->flags & FLAG_HAS_WOL) ||
-	    !device_can_wakeup(&adapter->pdev->dev))
-		return wol->wolopts ? -EOPNOTSUPP : 0;
+	    !device_can_wakeup(&adapter->pdev->dev) ||
+	    (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST |
+	                      WAKE_MAGIC | WAKE_PHY | WAKE_ARP)))
+		return -EOPNOTSUPP;
 
 	/* these settings will always override what we currently have */
 	adapter->wol = 0;
-- 
GitLab


From f89271dda9431b432dad7505ccdcb57666233c1d Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Fri, 20 Nov 2009 23:22:20 +0000
Subject: [PATCH 1421/1815] e1000e: add missing tests for 82583 in ethtool
 functions

Add tests for 82583 in a couple ethtool functions that were missed from the
initial hardware enablement submission.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/ethtool.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c
index 3af5ee4a4cc..1ff43b47030 100644
--- a/drivers/net/e1000e/ethtool.c
+++ b/drivers/net/e1000e/ethtool.c
@@ -604,7 +604,9 @@ static int e1000_set_eeprom(struct net_device *netdev,
 	 * and flush shadow RAM for applicable controllers
 	 */
 	if ((first_word <= NVM_CHECKSUM_REG) ||
-	    (hw->mac.type == e1000_82574) || (hw->mac.type == e1000_82573))
+	    (hw->mac.type == e1000_82583) ||
+	    (hw->mac.type == e1000_82574) ||
+	    (hw->mac.type == e1000_82573))
 		ret_val = e1000e_update_nvm_checksum(hw);
 
 out:
@@ -1839,6 +1841,7 @@ static int e1000_phys_id(struct net_device *netdev, u32 data)
 
 	if ((hw->phy.type == e1000_phy_ife) ||
 	    (hw->mac.type == e1000_pchlan) ||
+	    (hw->mac.type == e1000_82583) ||
 	    (hw->mac.type == e1000_82574)) {
 		INIT_WORK(&adapter->led_blink_task, e1000e_led_blink_task);
 		if (!adapter->blink_timer.function) {
-- 
GitLab


From f4e2c6db7f4453ed5fb2e4342128d0ee3cfcf6bd Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Fri, 20 Nov 2009 23:22:39 +0000
Subject: [PATCH 1422/1815] e1000e: clearing interrupt timers causes
 descriptors to get flushed

Clearing the interrupt timers following an IMS clear has the unwanted
side-effect of flushing all descriptors immediately following a partial
write when interrupts are disabled.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/netdev.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 3caa1d5893c..3845fb698b4 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -2441,8 +2441,6 @@ static void e1000_configure_rx(struct e1000_adapter *adapter)
 		ew32(ITR, 1000000000 / (adapter->itr * 256));
 
 	ctrl_ext = er32(CTRL_EXT);
-	/* Reset delay timers after every interrupt */
-	ctrl_ext |= E1000_CTRL_EXT_INT_TIMER_CLR;
 	/* Auto-Mask interrupts upon ICR access */
 	ctrl_ext |= E1000_CTRL_EXT_IAME;
 	ew32(IAM, 0xffffffff);
-- 
GitLab


From e7d906f714994885b4889d02d6478e7a9418dcbe Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Fri, 20 Nov 2009 23:22:57 +0000
Subject: [PATCH 1423/1815] e1000e: function pointers for ethtool set/get
 offloads

Provide missing function pointers for ethtool set/get offloads.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/ethtool.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c
index 1ff43b47030..3d73f2070b9 100644
--- a/drivers/net/e1000e/ethtool.c
+++ b/drivers/net/e1000e/ethtool.c
@@ -1996,6 +1996,8 @@ static const struct ethtool_ops e1000_ethtool_ops = {
 	.get_sset_count		= e1000e_get_sset_count,
 	.get_coalesce		= e1000_get_coalesce,
 	.set_coalesce		= e1000_set_coalesce,
+	.get_flags		= ethtool_op_get_flags,
+	.set_flags		= ethtool_op_set_flags,
 };
 
 void e1000e_set_ethtool_ops(struct net_device *netdev)
-- 
GitLab


From a68ea775ad24ff403437c967628d2b9ce531ce48 Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Fri, 20 Nov 2009 23:23:16 +0000
Subject: [PATCH 1424/1815] e1000e: don't clean Rx ring while resetting

When using legacy interrupts, do not clean the Rx ring while resetting
otherwise traffic will not pass.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/netdev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 3845fb698b4..e819f199755 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -1176,7 +1176,7 @@ static irqreturn_t e1000_intr(int irq, void *data)
 	struct e1000_hw *hw = &adapter->hw;
 	u32 rctl, icr = er32(ICR);
 
-	if (!icr)
+	if (!icr || test_bit(__E1000_DOWN, &adapter->state))
 		return IRQ_NONE;  /* Not our interrupt */
 
 	/*
-- 
GitLab


From 7ea9655f8a4ccefcd8fdea7eb4fc5dab98e1a7ba Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Fri, 20 Nov 2009 23:23:34 +0000
Subject: [PATCH 1425/1815] e1000e: link reporting problems

Copper links with WoL or management enabled (any condition which prevents
the phy from being powered down when the interface is taken down) were
always reporting link-up when the interface had been taken down. This
is because when the interface is taken down (ifconfig ethx down),
interrupts are disabled. With no interrupts, there is no LSC interrupt,
which is normally required to set "get_link_status", which instructs the
driver to query the device for link state. The fix is to force
get_link_status to true if the interface is not up.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/ethtool.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c
index 3d73f2070b9..67e06fd9fc4 100644
--- a/drivers/net/e1000e/ethtool.c
+++ b/drivers/net/e1000e/ethtool.c
@@ -190,6 +190,17 @@ static int e1000_get_settings(struct net_device *netdev,
 static u32 e1000_get_link(struct net_device *netdev)
 {
 	struct e1000_adapter *adapter = netdev_priv(netdev);
+	struct e1000_mac_info *mac = &adapter->hw.mac;
+
+	/*
+	 * If the link is not reported up to netdev, interrupts are disabled,
+	 * and so the physical link state may have changed since we last
+	 * looked. Set get_link_status to make sure that the true link
+	 * state is interrogated, rather than pulling a cached and possibly
+	 * stale link state from the driver.
+	 */
+	if (!netif_carrier_ok(netdev))
+		mac->get_link_status = 1;
 
 	return e1000_has_link(adapter);
 }
-- 
GitLab


From 98086a954a75152f8b09c131fa443205bae5fde1 Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Fri, 20 Nov 2009 23:23:53 +0000
Subject: [PATCH 1426/1815] e1000e: improper return code signage

The e1000_get_cable_length_82577() should return a negative value upon
error.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/phy.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c
index 03175b3a2c9..95a8196cf44 100644
--- a/drivers/net/e1000e/phy.c
+++ b/drivers/net/e1000e/phy.c
@@ -3137,7 +3137,7 @@ s32 e1000_get_cable_length_82577(struct e1000_hw *hw)
 	         I82577_DSTATUS_CABLE_LENGTH_SHIFT;
 
 	if (length == E1000_CABLE_LENGTH_UNDEFINED)
-		ret_val = E1000_ERR_PHY;
+		ret_val = -E1000_ERR_PHY;
 
 	phy->cable_length = length;
 
-- 
GitLab


From bb436b20fe0ea4231a233aae7f0f7de3a3f2f5c3 Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Fri, 20 Nov 2009 23:24:11 +0000
Subject: [PATCH 1427/1815] e1000e: disable K1 on PCH LOM when in PHY loopback
 mode

When performing the ethtool PHY loopback test on PCH-based LOMs (82577 and
82578), disable K1 (a MAC-PHY interconnect low power mode) otherwise
packets might get corrupted.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/e1000.h   | 1 +
 drivers/net/e1000e/ethtool.c | 4 ++++
 drivers/net/e1000e/ich8lan.c | 3 +--
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h
index 00989c5534c..a6c68039e8d 100644
--- a/drivers/net/e1000e/e1000.h
+++ b/drivers/net/e1000e/e1000.h
@@ -485,6 +485,7 @@ extern void e1000e_set_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw,
 extern void e1000e_igp3_phy_powerdown_workaround_ich8lan(struct e1000_hw *hw);
 extern void e1000e_gig_downshift_workaround_ich8lan(struct e1000_hw *hw);
 extern void e1000e_disable_gig_wol_ich8lan(struct e1000_hw *hw);
+extern s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable);
 
 extern s32 e1000e_check_for_copper_link(struct e1000_hw *hw);
 extern s32 e1000e_check_for_fiber_link(struct e1000_hw *hw);
diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c
index 67e06fd9fc4..fd7921482d2 100644
--- a/drivers/net/e1000e/ethtool.c
+++ b/drivers/net/e1000e/ethtool.c
@@ -1260,6 +1260,10 @@ static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
 
 	hw->mac.autoneg = 0;
 
+	/* Workaround: K1 must be disabled for stable 1Gbps operation */
+	if (hw->mac.type == e1000_pchlan)
+		e1000_configure_k1_ich8lan(hw, false);
+
 	if (hw->phy.type == e1000_phy_m88) {
 		/* Auto-MDI/MDIX Off */
 		e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index 51ddb04ab19..bd9002e72cb 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -224,7 +224,6 @@ static s32 e1000_led_off_pchlan(struct e1000_hw *hw);
 static s32 e1000_set_lplu_state_pchlan(struct e1000_hw *hw, bool active);
 static void e1000_lan_init_done_ich8lan(struct e1000_hw *hw);
 static s32  e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link);
-static s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable);
 
 static inline u16 __er16flash(struct e1000_hw *hw, unsigned long reg)
 {
@@ -1023,7 +1022,7 @@ out:
  *
  *  Success returns 0, Failure returns -E1000_ERR_PHY (-2)
  **/
-static s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable)
+s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable)
 {
 	s32 ret_val = 0;
 	u32 ctrl_reg = 0;
-- 
GitLab


From b16a002e3da0357771433aa58a2521da00aa792a Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Fri, 20 Nov 2009 23:24:30 +0000
Subject: [PATCH 1428/1815] e1000e: Incorrect MII Link beat reporting.

The driver was only updating MII stats when an LSC up was detected and
the interface had not already been reported up to netdev. This meant
MII stats returned in response to an SIOCGMIIREG ioctl would always
show a link up if it had ever been up. This was misleading the networking
daemon guessnet, which uses this ioctl, into making improper network port
selections.
This fix adds a call to e1000_phy_read_status() to actively read the
mii stats before responding to the SIOCGMIIREG ioctl.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/netdev.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index e819f199755..ff9f9f1725e 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -4320,6 +4320,8 @@ static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
 		data->phy_id = adapter->hw.phy.addr;
 		break;
 	case SIOCGMIIREG:
+		e1000_phy_read_status(adapter);
+
 		switch (data->reg_num & 0x1F) {
 		case MII_BMCR:
 			data->val_out = adapter->phy_regs.bmcr;
-- 
GitLab


From d8014dbca7f5d2d6f0fdb47e5286bd2d887f7065 Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Fri, 20 Nov 2009 23:24:48 +0000
Subject: [PATCH 1429/1815] e1000e: cleanup redundant #include's

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/82571.c   | 4 ----
 drivers/net/e1000e/e1000.h   | 1 +
 drivers/net/e1000e/es2lan.c  | 5 -----
 drivers/net/e1000e/ich8lan.c | 5 -----
 drivers/net/e1000e/lib.c     | 5 -----
 5 files changed, 1 insertion(+), 19 deletions(-)

diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
index d1e0563a67d..407637f6c33 100644
--- a/drivers/net/e1000e/82571.c
+++ b/drivers/net/e1000e/82571.c
@@ -43,10 +43,6 @@
  * 82583V Gigabit Network Connection
  */
 
-#include <linux/netdevice.h>
-#include <linux/delay.h>
-#include <linux/pci.h>
-
 #include "e1000.h"
 
 #define ID_LED_RESERVED_F746 0xF746
diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h
index a6c68039e8d..ac5d8552747 100644
--- a/drivers/net/e1000e/e1000.h
+++ b/drivers/net/e1000e/e1000.h
@@ -36,6 +36,7 @@
 #include <linux/workqueue.h>
 #include <linux/io.h>
 #include <linux/netdevice.h>
+#include <linux/pci.h>
 
 #include "hw.h"
 
diff --git a/drivers/net/e1000e/es2lan.c b/drivers/net/e1000e/es2lan.c
index ae5d7368935..6fd46f5f8a3 100644
--- a/drivers/net/e1000e/es2lan.c
+++ b/drivers/net/e1000e/es2lan.c
@@ -31,11 +31,6 @@
  * 80003ES2LAN Gigabit Ethernet Controller (Serdes)
  */
 
-#include <linux/netdevice.h>
-#include <linux/ethtool.h>
-#include <linux/delay.h>
-#include <linux/pci.h>
-
 #include "e1000.h"
 
 #define E1000_KMRNCTRLSTA_OFFSET_FIFO_CTRL	 0x00
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index bd9002e72cb..bef5e3333f2 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -54,11 +54,6 @@
  * 82578DC Gigabit Network Connection
  */
 
-#include <linux/netdevice.h>
-#include <linux/ethtool.h>
-#include <linux/delay.h>
-#include <linux/pci.h>
-
 #include "e1000.h"
 
 #define ICH_FLASH_GFPREG		0x0000
diff --git a/drivers/net/e1000e/lib.c b/drivers/net/e1000e/lib.c
index 99ba2b8a2a0..5a670a2230e 100644
--- a/drivers/net/e1000e/lib.c
+++ b/drivers/net/e1000e/lib.c
@@ -26,11 +26,6 @@
 
 *******************************************************************************/
 
-#include <linux/netdevice.h>
-#include <linux/ethtool.h>
-#include <linux/delay.h>
-#include <linux/pci.h>
-
 #include "e1000.h"
 
 enum e1000_mng_mode {
-- 
GitLab


From 3bb99fe226ead584a4db674dab546689f705201f Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Fri, 20 Nov 2009 23:25:07 +0000
Subject: [PATCH 1430/1815] e1000e: consolidate two dbug macros into one
 simpler one

This patch depends on a previous one that cleans up redundant #includes.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/82571.c   |  40 ++++++------
 drivers/net/e1000e/e1000.h   |   4 +-
 drivers/net/e1000e/es2lan.c  |  23 ++++---
 drivers/net/e1000e/hw.h      |  11 ----
 drivers/net/e1000e/ich8lan.c |  69 ++++++++++----------
 drivers/net/e1000e/lib.c     | 122 +++++++++++++++++------------------
 drivers/net/e1000e/netdev.c  |  28 +++-----
 drivers/net/e1000e/phy.c     |  92 +++++++++++++-------------
 8 files changed, 183 insertions(+), 206 deletions(-)

diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
index 407637f6c33..680b7c70306 100644
--- a/drivers/net/e1000e/82571.c
+++ b/drivers/net/e1000e/82571.c
@@ -309,7 +309,7 @@ static s32 e1000_init_mac_params_82571(struct e1000_adapter *adapter)
 			 * indicates that the bootagent or EFI code has
 			 * improperly left this bit enabled
 			 */
-			hw_dbg(hw, "Please update your 82571 Bootagent\n");
+			e_dbg("Please update your 82571 Bootagent\n");
 		}
 		ew32(SWSM, swsm & ~E1000_SWSM_SMBI);
 	}
@@ -483,7 +483,7 @@ static s32 e1000_get_hw_semaphore_82571(struct e1000_hw *hw)
 	}
 
 	if (i == sw_timeout) {
-		hw_dbg(hw, "Driver can't access device - SMBI bit is set.\n");
+		e_dbg("Driver can't access device - SMBI bit is set.\n");
 		hw->dev_spec.e82571.smb_counter++;
 	}
 	/* Get the FW semaphore. */
@@ -501,7 +501,7 @@ static s32 e1000_get_hw_semaphore_82571(struct e1000_hw *hw)
 	if (i == fw_timeout) {
 		/* Release semaphores */
 		e1000_put_hw_semaphore_82571(hw);
-		hw_dbg(hw, "Driver can't access the NVM\n");
+		e_dbg("Driver can't access the NVM\n");
 		return -E1000_ERR_NVM;
 	}
 
@@ -708,7 +708,7 @@ static s32 e1000_write_nvm_eewr_82571(struct e1000_hw *hw, u16 offset,
 	 */
 	if ((offset >= nvm->word_size) || (words > (nvm->word_size - offset)) ||
 	    (words == 0)) {
-		hw_dbg(hw, "nvm parameter(s) out of bounds\n");
+		e_dbg("nvm parameter(s) out of bounds\n");
 		return -E1000_ERR_NVM;
 	}
 
@@ -749,7 +749,7 @@ static s32 e1000_get_cfg_done_82571(struct e1000_hw *hw)
 		timeout--;
 	}
 	if (!timeout) {
-		hw_dbg(hw, "MNG configuration cycle has not completed.\n");
+		e_dbg("MNG configuration cycle has not completed.\n");
 		return -E1000_ERR_RESET;
 	}
 
@@ -848,9 +848,9 @@ static s32 e1000_reset_hw_82571(struct e1000_hw *hw)
 	 */
 	ret_val = e1000e_disable_pcie_master(hw);
 	if (ret_val)
-		hw_dbg(hw, "PCI-E Master disable polling has failed.\n");
+		e_dbg("PCI-E Master disable polling has failed.\n");
 
-	hw_dbg(hw, "Masking off all interrupts\n");
+	e_dbg("Masking off all interrupts\n");
 	ew32(IMC, 0xffffffff);
 
 	ew32(RCTL, 0);
@@ -889,7 +889,7 @@ static s32 e1000_reset_hw_82571(struct e1000_hw *hw)
 
 	ctrl = er32(CTRL);
 
-	hw_dbg(hw, "Issuing a global reset to MAC\n");
+	e_dbg("Issuing a global reset to MAC\n");
 	ew32(CTRL, ctrl | E1000_CTRL_RST);
 
 	if (hw->nvm.type == e1000_nvm_flash_hw) {
@@ -955,12 +955,12 @@ static s32 e1000_init_hw_82571(struct e1000_hw *hw)
 	/* Initialize identification LED */
 	ret_val = e1000e_id_led_init(hw);
 	if (ret_val) {
-		hw_dbg(hw, "Error initializing identification LED\n");
+		e_dbg("Error initializing identification LED\n");
 		return ret_val;
 	}
 
 	/* Disabling VLAN filtering */
-	hw_dbg(hw, "Initializing the IEEE VLAN\n");
+	e_dbg("Initializing the IEEE VLAN\n");
 	e1000e_clear_vfta(hw);
 
 	/* Setup the receive address. */
@@ -974,7 +974,7 @@ static s32 e1000_init_hw_82571(struct e1000_hw *hw)
 	e1000e_init_rx_addrs(hw, rar_count);
 
 	/* Zero out the Multicast HASH table */
-	hw_dbg(hw, "Zeroing the MTA\n");
+	e_dbg("Zeroing the MTA\n");
 	for (i = 0; i < mac->mta_reg_count; i++)
 		E1000_WRITE_REG_ARRAY(hw, E1000_MTA, i, 0);
 
@@ -1383,7 +1383,7 @@ static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw)
 				 */
 				mac->serdes_link_state =
 				    e1000_serdes_link_autoneg_progress;
-				hw_dbg(hw, "AN_UP     -> AN_PROG\n");
+				e_dbg("AN_UP     -> AN_PROG\n");
 			}
 		break;
 
@@ -1401,7 +1401,7 @@ static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw)
 				    (ctrl & ~E1000_CTRL_SLU));
 				mac->serdes_link_state =
 				    e1000_serdes_link_autoneg_progress;
-				hw_dbg(hw, "FORCED_UP -> AN_PROG\n");
+				e_dbg("FORCED_UP -> AN_PROG\n");
 			}
 			break;
 
@@ -1415,7 +1415,7 @@ static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw)
 			if (status & E1000_STATUS_LU)  {
 				mac->serdes_link_state =
 				    e1000_serdes_link_autoneg_complete;
-				hw_dbg(hw, "AN_PROG   -> AN_UP\n");
+				e_dbg("AN_PROG   -> AN_UP\n");
 			} else {
 				/*
 				 * Disable autoneg, force link up and
@@ -1430,12 +1430,12 @@ static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw)
 				ret_val =
 				    e1000e_config_fc_after_link_up(hw);
 				if (ret_val) {
-					hw_dbg(hw, "Error config flow control\n");
+					e_dbg("Error config flow control\n");
 					break;
 				}
 				mac->serdes_link_state =
 				    e1000_serdes_link_forced_up;
-				hw_dbg(hw, "AN_PROG   -> FORCED_UP\n");
+				e_dbg("AN_PROG   -> FORCED_UP\n");
 			}
 			mac->serdes_has_link = true;
 			break;
@@ -1450,14 +1450,14 @@ static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw)
 			    (ctrl & ~E1000_CTRL_SLU));
 			mac->serdes_link_state =
 			    e1000_serdes_link_autoneg_progress;
-			hw_dbg(hw, "DOWN      -> AN_PROG\n");
+			e_dbg("DOWN      -> AN_PROG\n");
 			break;
 		}
 	} else {
 		if (!(rxcw & E1000_RXCW_SYNCH)) {
 			mac->serdes_has_link = false;
 			mac->serdes_link_state = e1000_serdes_link_down;
-			hw_dbg(hw, "ANYSTATE  -> DOWN\n");
+			e_dbg("ANYSTATE  -> DOWN\n");
 		} else {
 			/*
 			 * We have sync, and can tolerate one
@@ -1469,7 +1469,7 @@ static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw)
 			if (rxcw & E1000_RXCW_IV) {
 				mac->serdes_link_state = e1000_serdes_link_down;
 				mac->serdes_has_link = false;
-				hw_dbg(hw, "ANYSTATE  -> DOWN\n");
+				e_dbg("ANYSTATE  -> DOWN\n");
 			}
 		}
 	}
@@ -1491,7 +1491,7 @@ static s32 e1000_valid_led_default_82571(struct e1000_hw *hw, u16 *data)
 
 	ret_val = e1000_read_nvm(hw, NVM_ID_LED_SETTINGS, 1, data);
 	if (ret_val) {
-		hw_dbg(hw, "NVM Read Error\n");
+		e_dbg("NVM Read Error\n");
 		return ret_val;
 	}
 
diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h
index ac5d8552747..dac00a02383 100644
--- a/drivers/net/e1000e/e1000.h
+++ b/drivers/net/e1000e/e1000.h
@@ -48,9 +48,9 @@ struct e1000_info;
 
 #ifdef DEBUG
 #define e_dbg(format, arg...) \
-	e_printk(KERN_DEBUG , adapter, format, ## arg)
+	e_printk(KERN_DEBUG , hw->adapter, format, ## arg)
 #else
-#define e_dbg(format, arg...) do { (void)(adapter); } while (0)
+#define e_dbg(format, arg...) do { (void)(hw); } while (0)
 #endif
 
 #define e_err(format, arg...) \
diff --git a/drivers/net/e1000e/es2lan.c b/drivers/net/e1000e/es2lan.c
index 6fd46f5f8a3..f5601c5ff7a 100644
--- a/drivers/net/e1000e/es2lan.c
+++ b/drivers/net/e1000e/es2lan.c
@@ -394,8 +394,7 @@ static s32 e1000_acquire_swfw_sync_80003es2lan(struct e1000_hw *hw, u16 mask)
 	}
 
 	if (i == timeout) {
-		hw_dbg(hw,
-		       "Driver can't access resource, SW_FW_SYNC timeout.\n");
+		e_dbg("Driver can't access resource, SW_FW_SYNC timeout.\n");
 		return -E1000_ERR_SWFW_SYNC;
 	}
 
@@ -597,7 +596,7 @@ static s32 e1000_get_cfg_done_80003es2lan(struct e1000_hw *hw)
 		timeout--;
 	}
 	if (!timeout) {
-		hw_dbg(hw, "MNG configuration cycle has not completed.\n");
+		e_dbg("MNG configuration cycle has not completed.\n");
 		return -E1000_ERR_RESET;
 	}
 
@@ -630,7 +629,7 @@ static s32 e1000_phy_force_speed_duplex_80003es2lan(struct e1000_hw *hw)
 	if (ret_val)
 		return ret_val;
 
-	hw_dbg(hw, "GG82563 PSCR: %X\n", phy_data);
+	e_dbg("GG82563 PSCR: %X\n", phy_data);
 
 	ret_val = e1e_rphy(hw, PHY_CONTROL, &phy_data);
 	if (ret_val)
@@ -648,7 +647,7 @@ static s32 e1000_phy_force_speed_duplex_80003es2lan(struct e1000_hw *hw)
 	udelay(1);
 
 	if (hw->phy.autoneg_wait_to_complete) {
-		hw_dbg(hw, "Waiting for forced speed/duplex link "
+		e_dbg("Waiting for forced speed/duplex link "
 			 "on GG82563 phy.\n");
 
 		ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT,
@@ -771,9 +770,9 @@ static s32 e1000_reset_hw_80003es2lan(struct e1000_hw *hw)
 	 */
 	ret_val = e1000e_disable_pcie_master(hw);
 	if (ret_val)
-		hw_dbg(hw, "PCI-E Master disable polling has failed.\n");
+		e_dbg("PCI-E Master disable polling has failed.\n");
 
-	hw_dbg(hw, "Masking off all interrupts\n");
+	e_dbg("Masking off all interrupts\n");
 	ew32(IMC, 0xffffffff);
 
 	ew32(RCTL, 0);
@@ -785,7 +784,7 @@ static s32 e1000_reset_hw_80003es2lan(struct e1000_hw *hw)
 	ctrl = er32(CTRL);
 
 	ret_val = e1000_acquire_phy_80003es2lan(hw);
-	hw_dbg(hw, "Issuing a global reset to MAC\n");
+	e_dbg("Issuing a global reset to MAC\n");
 	ew32(CTRL, ctrl | E1000_CTRL_RST);
 	e1000_release_phy_80003es2lan(hw);
 
@@ -820,19 +819,19 @@ static s32 e1000_init_hw_80003es2lan(struct e1000_hw *hw)
 	/* Initialize identification LED */
 	ret_val = e1000e_id_led_init(hw);
 	if (ret_val) {
-		hw_dbg(hw, "Error initializing identification LED\n");
+		e_dbg("Error initializing identification LED\n");
 		return ret_val;
 	}
 
 	/* Disabling VLAN filtering */
-	hw_dbg(hw, "Initializing the IEEE VLAN\n");
+	e_dbg("Initializing the IEEE VLAN\n");
 	e1000e_clear_vfta(hw);
 
 	/* Setup the receive address. */
 	e1000e_init_rx_addrs(hw, mac->rar_entry_count);
 
 	/* Zero out the Multicast HASH table */
-	hw_dbg(hw, "Zeroing the MTA\n");
+	e_dbg("Zeroing the MTA\n");
 	for (i = 0; i < mac->mta_reg_count; i++)
 		E1000_WRITE_REG_ARRAY(hw, E1000_MTA, i, 0);
 
@@ -989,7 +988,7 @@ static s32 e1000_copper_link_setup_gg82563_80003es2lan(struct e1000_hw *hw)
 	/* SW Reset the PHY so all changes take effect */
 	ret_val = e1000e_commit_phy(hw);
 	if (ret_val) {
-		hw_dbg(hw, "Error Resetting the PHY\n");
+		e_dbg("Error Resetting the PHY\n");
 		return ret_val;
 	}
 
diff --git a/drivers/net/e1000e/hw.h b/drivers/net/e1000e/hw.h
index aaea41ef794..44808b053fc 100644
--- a/drivers/net/e1000e/hw.h
+++ b/drivers/net/e1000e/hw.h
@@ -925,15 +925,4 @@ struct e1000_hw {
 	} dev_spec;
 };
 
-#ifdef DEBUG
-#define hw_dbg(hw, format, arg...) \
-	printk(KERN_DEBUG "%s: " format, e1000e_get_hw_dev_name(hw), ##arg)
-#else
-static inline int __attribute__ ((format (printf, 2, 3)))
-hw_dbg(struct e1000_hw *hw, const char *format, ...)
-{
-	return 0;
-}
-#endif
-
 #endif
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index bef5e3333f2..101a2714467 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -368,7 +368,7 @@ static s32 e1000_init_nvm_params_ich8lan(struct e1000_hw *hw)
 
 	/* Can't read flash registers if the register set isn't mapped. */
 	if (!hw->flash_address) {
-		hw_dbg(hw, "ERROR: Flash registers not mapped\n");
+		e_dbg("ERROR: Flash registers not mapped\n");
 		return -E1000_ERR_CONFIG;
 	}
 
@@ -550,7 +550,7 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw)
 	 */
 	ret_val = e1000e_config_fc_after_link_up(hw);
 	if (ret_val)
-		hw_dbg(hw, "Error configuring flow control\n");
+		e_dbg("Error configuring flow control\n");
 
 out:
 	return ret_val;
@@ -644,7 +644,7 @@ static s32 e1000_acquire_swflag_ich8lan(struct e1000_hw *hw)
 	}
 
 	if (!timeout) {
-		hw_dbg(hw, "SW/FW/HW has locked the resource for too long.\n");
+		e_dbg("SW/FW/HW has locked the resource for too long.\n");
 		ret_val = -E1000_ERR_CONFIG;
 		goto out;
 	}
@@ -664,7 +664,7 @@ static s32 e1000_acquire_swflag_ich8lan(struct e1000_hw *hw)
 	}
 
 	if (!timeout) {
-		hw_dbg(hw, "Failed to acquire the semaphore.\n");
+		e_dbg("Failed to acquire the semaphore.\n");
 		extcnf_ctrl &= ~E1000_EXTCNF_CTRL_SWFLAG;
 		ew32(EXTCNF_CTRL, extcnf_ctrl);
 		ret_val = -E1000_ERR_CONFIG;
@@ -773,12 +773,12 @@ static s32 e1000_phy_force_speed_duplex_ich8lan(struct e1000_hw *hw)
 	if (ret_val)
 		return ret_val;
 
-	hw_dbg(hw, "IFE PMC: %X\n", data);
+	e_dbg("IFE PMC: %X\n", data);
 
 	udelay(1);
 
 	if (phy->autoneg_wait_to_complete) {
-		hw_dbg(hw, "Waiting for forced speed/duplex link on IFE phy.\n");
+		e_dbg("Waiting for forced speed/duplex link on IFE phy.\n");
 
 		ret_val = e1000e_phy_has_link_generic(hw,
 						     PHY_FORCE_LIMIT,
@@ -788,7 +788,7 @@ static s32 e1000_phy_force_speed_duplex_ich8lan(struct e1000_hw *hw)
 			return ret_val;
 
 		if (!link)
-			hw_dbg(hw, "Link taking longer than expected.\n");
+			e_dbg("Link taking longer than expected.\n");
 
 		/* Try once more */
 		ret_val = e1000e_phy_has_link_generic(hw,
@@ -1203,7 +1203,7 @@ static void e1000_lan_init_done_ich8lan(struct e1000_hw *hw)
 	 * leave the PHY in a bad state possibly resulting in no link.
 	 */
 	if (loop == 0)
-		hw_dbg(hw, "LAN_INIT_DONE not set, increase timeout\n");
+		e_dbg("LAN_INIT_DONE not set, increase timeout\n");
 
 	/* Clear the Init Done bit for the next init event */
 	data = er32(STATUS);
@@ -1274,7 +1274,7 @@ static s32 e1000_get_phy_info_ife_ich8lan(struct e1000_hw *hw)
 		return ret_val;
 
 	if (!link) {
-		hw_dbg(hw, "Phy info is only valid if link is up\n");
+		e_dbg("Phy info is only valid if link is up\n");
 		return -E1000_ERR_CONFIG;
 	}
 
@@ -1604,7 +1604,7 @@ static s32 e1000_valid_nvm_bank_detect_ich8lan(struct e1000_hw *hw, u32 *bank)
 
 			return 0;
 		}
-		hw_dbg(hw, "Unable to determine valid NVM bank via EEC - "
+		e_dbg("Unable to determine valid NVM bank via EEC - "
 		       "reading flash signature\n");
 		/* fall-thru */
 	default:
@@ -1634,7 +1634,7 @@ static s32 e1000_valid_nvm_bank_detect_ich8lan(struct e1000_hw *hw, u32 *bank)
 			return 0;
 		}
 
-		hw_dbg(hw, "ERROR: No valid NVM bank present\n");
+		e_dbg("ERROR: No valid NVM bank present\n");
 		return -E1000_ERR_NVM;
 	}
 
@@ -1662,7 +1662,7 @@ static s32 e1000_read_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words,
 
 	if ((offset >= nvm->word_size) || (words > nvm->word_size - offset) ||
 	    (words == 0)) {
-		hw_dbg(hw, "nvm parameter(s) out of bounds\n");
+		e_dbg("nvm parameter(s) out of bounds\n");
 		ret_val = -E1000_ERR_NVM;
 		goto out;
 	}
@@ -1671,7 +1671,7 @@ static s32 e1000_read_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words,
 
 	ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank);
 	if (ret_val) {
-		hw_dbg(hw, "Could not detect valid bank, assuming bank 0\n");
+		e_dbg("Could not detect valid bank, assuming bank 0\n");
 		bank = 0;
 	}
 
@@ -1697,7 +1697,7 @@ static s32 e1000_read_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words,
 
 out:
 	if (ret_val)
-		hw_dbg(hw, "NVM read error: %d\n", ret_val);
+		e_dbg("NVM read error: %d\n", ret_val);
 
 	return ret_val;
 }
@@ -1719,7 +1719,7 @@ static s32 e1000_flash_cycle_init_ich8lan(struct e1000_hw *hw)
 
 	/* Check if the flash descriptor is valid */
 	if (hsfsts.hsf_status.fldesvalid == 0) {
-		hw_dbg(hw, "Flash descriptor invalid.  "
+		e_dbg("Flash descriptor invalid.  "
 			 "SW Sequencing must be used.");
 		return -E1000_ERR_NVM;
 	}
@@ -1769,7 +1769,7 @@ static s32 e1000_flash_cycle_init_ich8lan(struct e1000_hw *hw)
 			hsfsts.hsf_status.flcdone = 1;
 			ew16flash(ICH_FLASH_HSFSTS, hsfsts.regval);
 		} else {
-			hw_dbg(hw, "Flash controller busy, cannot get access");
+			e_dbg("Flash controller busy, cannot get access");
 		}
 	}
 
@@ -1919,7 +1919,7 @@ static s32 e1000_read_flash_data_ich8lan(struct e1000_hw *hw, u32 offset,
 				/* Repeat for some time before giving up. */
 				continue;
 			} else if (hsfsts.hsf_status.flcdone == 0) {
-				hw_dbg(hw, "Timeout error - flash cycle "
+				e_dbg("Timeout error - flash cycle "
 					 "did not complete.");
 				break;
 			}
@@ -1947,7 +1947,7 @@ static s32 e1000_write_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words,
 
 	if ((offset >= nvm->word_size) || (words > nvm->word_size - offset) ||
 	    (words == 0)) {
-		hw_dbg(hw, "nvm parameter(s) out of bounds\n");
+		e_dbg("nvm parameter(s) out of bounds\n");
 		return -E1000_ERR_NVM;
 	}
 
@@ -1998,7 +1998,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
 	 */
 	ret_val =  e1000_valid_nvm_bank_detect_ich8lan(hw, &bank);
 	if (ret_val) {
-		hw_dbg(hw, "Could not detect valid bank, assuming bank 0\n");
+		e_dbg("Could not detect valid bank, assuming bank 0\n");
 		bank = 0;
 	}
 
@@ -2072,7 +2072,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
 	 */
 	if (ret_val) {
 		/* Possibly read-only, see e1000e_write_protect_nvm_ich8lan() */
-		hw_dbg(hw, "Flash commit failed.\n");
+		e_dbg("Flash commit failed.\n");
 		nvm->ops.release_nvm(hw);
 		goto out;
 	}
@@ -2128,7 +2128,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
 
 out:
 	if (ret_val)
-		hw_dbg(hw, "NVM update error: %d\n", ret_val);
+		e_dbg("NVM update error: %d\n", ret_val);
 
 	return ret_val;
 }
@@ -2278,7 +2278,7 @@ static s32 e1000_write_flash_data_ich8lan(struct e1000_hw *hw, u32 offset,
 			/* Repeat for some time before giving up. */
 			continue;
 		if (hsfsts.hsf_status.flcdone == 0) {
-			hw_dbg(hw, "Timeout error - flash cycle "
+			e_dbg("Timeout error - flash cycle "
 				 "did not complete.");
 			break;
 		}
@@ -2323,7 +2323,7 @@ static s32 e1000_retry_write_flash_byte_ich8lan(struct e1000_hw *hw,
 		return ret_val;
 
 	for (program_retries = 0; program_retries < 100; program_retries++) {
-		hw_dbg(hw, "Retrying Byte %2.2X at offset %u\n", byte, offset);
+		e_dbg("Retrying Byte %2.2X at offset %u\n", byte, offset);
 		udelay(100);
 		ret_val = e1000_write_flash_byte_ich8lan(hw, offset, byte);
 		if (!ret_val)
@@ -2458,7 +2458,7 @@ static s32 e1000_valid_led_default_ich8lan(struct e1000_hw *hw, u16 *data)
 
 	ret_val = e1000_read_nvm(hw, NVM_ID_LED_SETTINGS, 1, data);
 	if (ret_val) {
-		hw_dbg(hw, "NVM Read Error\n");
+		e_dbg("NVM Read Error\n");
 		return ret_val;
 	}
 
@@ -2588,10 +2588,10 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw)
 	 */
 	ret_val = e1000e_disable_pcie_master(hw);
 	if (ret_val) {
-		hw_dbg(hw, "PCI-E Master disable polling has failed.\n");
+		e_dbg("PCI-E Master disable polling has failed.\n");
 	}
 
-	hw_dbg(hw, "Masking off all interrupts\n");
+	e_dbg("Masking off all interrupts\n");
 	ew32(IMC, 0xffffffff);
 
 	/*
@@ -2643,7 +2643,7 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw)
 	}
 	ret_val = e1000_acquire_swflag_ich8lan(hw);
 	/* Whether or not the swflag was acquired, we need to reset the part */
-	hw_dbg(hw, "Issuing a global reset to ich8lan\n");
+	e_dbg("Issuing a global reset to ich8lan\n");
 	ew32(CTRL, (ctrl | E1000_CTRL_RST));
 	msleep(20);
 
@@ -2663,7 +2663,7 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw)
 			 * return with an error. This can happen in situations
 			 * where there is no eeprom and prevents getting link.
 			 */
-			hw_dbg(hw, "Auto Read Done did not complete\n");
+			e_dbg("Auto Read Done did not complete\n");
 		}
 	}
 	/* Dummy read to clear the phy wakeup bit after lcd reset */
@@ -2725,7 +2725,7 @@ static s32 e1000_init_hw_ich8lan(struct e1000_hw *hw)
 	/* Initialize identification LED */
 	ret_val = mac->ops.id_led_init(hw);
 	if (ret_val) {
-		hw_dbg(hw, "Error initializing identification LED\n");
+		e_dbg("Error initializing identification LED\n");
 		return ret_val;
 	}
 
@@ -2733,7 +2733,7 @@ static s32 e1000_init_hw_ich8lan(struct e1000_hw *hw)
 	e1000e_init_rx_addrs(hw, mac->rar_entry_count);
 
 	/* Zero out the Multicast HASH table */
-	hw_dbg(hw, "Zeroing the MTA\n");
+	e_dbg("Zeroing the MTA\n");
 	for (i = 0; i < mac->mta_reg_count; i++)
 		E1000_WRITE_REG_ARRAY(hw, E1000_MTA, i, 0);
 
@@ -2879,7 +2879,7 @@ static s32 e1000_setup_link_ich8lan(struct e1000_hw *hw)
 	 */
 	hw->fc.current_mode = hw->fc.requested_mode;
 
-	hw_dbg(hw, "After fix-ups FlowControl is now = %x\n",
+	e_dbg("After fix-ups FlowControl is now = %x\n",
 		hw->fc.current_mode);
 
 	/* Continue to configure the copper link. */
@@ -3094,7 +3094,7 @@ void e1000e_set_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw,
 	struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
 
 	if (hw->mac.type != e1000_ich8lan) {
-		hw_dbg(hw, "Workaround applies to ICH8 only.\n");
+		e_dbg("Workaround applies to ICH8 only.\n");
 		return;
 	}
 
@@ -3372,8 +3372,7 @@ static s32 e1000_get_cfg_done_ich8lan(struct e1000_hw *hw)
 		if (status & E1000_STATUS_PHYRA)
 			ew32(STATUS, status & ~E1000_STATUS_PHYRA);
 		else
-			hw_dbg(hw,
-			       "PHY Reset Asserted not set - needs delay\n");
+			e_dbg("PHY Reset Asserted not set - needs delay\n");
 	}
 
 	e1000e_get_cfg_done(hw);
@@ -3388,7 +3387,7 @@ static s32 e1000_get_cfg_done_ich8lan(struct e1000_hw *hw)
 	} else {
 		if (e1000_valid_nvm_bank_detect_ich8lan(hw, &bank)) {
 			/* Maybe we should do a basic PHY config */
-			hw_dbg(hw, "EEPROM not present\n");
+			e_dbg("EEPROM not present\n");
 			return -E1000_ERR_CONFIG;
 		}
 	}
diff --git a/drivers/net/e1000e/lib.c b/drivers/net/e1000e/lib.c
index 5a670a2230e..fa31c51e564 100644
--- a/drivers/net/e1000e/lib.c
+++ b/drivers/net/e1000e/lib.c
@@ -110,12 +110,12 @@ void e1000e_init_rx_addrs(struct e1000_hw *hw, u16 rar_count)
 	u32 i;
 
 	/* Setup the receive address */
-	hw_dbg(hw, "Programming MAC Address into RAR[0]\n");
+	e_dbg("Programming MAC Address into RAR[0]\n");
 
 	e1000e_rar_set(hw, hw->mac.addr, 0);
 
 	/* Zero out the other (rar_entry_count - 1) receive addresses */
-	hw_dbg(hw, "Clearing RAR[1-%u]\n", rar_count-1);
+	e_dbg("Clearing RAR[1-%u]\n", rar_count-1);
 	for (i = 1; i < rar_count; i++) {
 		E1000_WRITE_REG_ARRAY(hw, E1000_RA, (i << 1), 0);
 		e1e_flush();
@@ -271,7 +271,7 @@ void e1000e_update_mc_addr_list_generic(struct e1000_hw *hw,
 	for (; mc_addr_count > 0; mc_addr_count--) {
 		u32 hash_value, hash_reg, hash_bit, mta;
 		hash_value = e1000_hash_mc_addr(hw, mc_addr_list);
-		hw_dbg(hw, "Hash value = 0x%03X\n", hash_value);
+		e_dbg("Hash value = 0x%03X\n", hash_value);
 		hash_reg = (hash_value >> 5) & (hw->mac.mta_reg_count - 1);
 		hash_bit = hash_value & 0x1F;
 		mta = (1 << hash_bit);
@@ -403,7 +403,7 @@ s32 e1000e_check_for_copper_link(struct e1000_hw *hw)
 	 */
 	ret_val = e1000e_config_fc_after_link_up(hw);
 	if (ret_val) {
-		hw_dbg(hw, "Error configuring flow control\n");
+		e_dbg("Error configuring flow control\n");
 	}
 
 	return ret_val;
@@ -443,7 +443,7 @@ s32 e1000e_check_for_fiber_link(struct e1000_hw *hw)
 			mac->autoneg_failed = 1;
 			return 0;
 		}
-		hw_dbg(hw, "NOT RXing /C/, disable AutoNeg and force link.\n");
+		e_dbg("NOT RXing /C/, disable AutoNeg and force link.\n");
 
 		/* Disable auto-negotiation in the TXCW register */
 		ew32(TXCW, (mac->txcw & ~E1000_TXCW_ANE));
@@ -456,7 +456,7 @@ s32 e1000e_check_for_fiber_link(struct e1000_hw *hw)
 		/* Configure Flow Control after forcing link up. */
 		ret_val = e1000e_config_fc_after_link_up(hw);
 		if (ret_val) {
-			hw_dbg(hw, "Error configuring flow control\n");
+			e_dbg("Error configuring flow control\n");
 			return ret_val;
 		}
 	} else if ((ctrl & E1000_CTRL_SLU) && (rxcw & E1000_RXCW_C)) {
@@ -466,7 +466,7 @@ s32 e1000e_check_for_fiber_link(struct e1000_hw *hw)
 		 * and disable forced link in the Device Control register
 		 * in an attempt to auto-negotiate with our link partner.
 		 */
-		hw_dbg(hw, "RXing /C/, enable AutoNeg and stop forcing link.\n");
+		e_dbg("RXing /C/, enable AutoNeg and stop forcing link.\n");
 		ew32(TXCW, mac->txcw);
 		ew32(CTRL, (ctrl & ~E1000_CTRL_SLU));
 
@@ -508,7 +508,7 @@ s32 e1000e_check_for_serdes_link(struct e1000_hw *hw)
 			mac->autoneg_failed = 1;
 			return 0;
 		}
-		hw_dbg(hw, "NOT RXing /C/, disable AutoNeg and force link.\n");
+		e_dbg("NOT RXing /C/, disable AutoNeg and force link.\n");
 
 		/* Disable auto-negotiation in the TXCW register */
 		ew32(TXCW, (mac->txcw & ~E1000_TXCW_ANE));
@@ -521,7 +521,7 @@ s32 e1000e_check_for_serdes_link(struct e1000_hw *hw)
 		/* Configure Flow Control after forcing link up. */
 		ret_val = e1000e_config_fc_after_link_up(hw);
 		if (ret_val) {
-			hw_dbg(hw, "Error configuring flow control\n");
+			e_dbg("Error configuring flow control\n");
 			return ret_val;
 		}
 	} else if ((ctrl & E1000_CTRL_SLU) && (rxcw & E1000_RXCW_C)) {
@@ -531,7 +531,7 @@ s32 e1000e_check_for_serdes_link(struct e1000_hw *hw)
 		 * and disable forced link in the Device Control register
 		 * in an attempt to auto-negotiate with our link partner.
 		 */
-		hw_dbg(hw, "RXing /C/, enable AutoNeg and stop forcing link.\n");
+		e_dbg("RXing /C/, enable AutoNeg and stop forcing link.\n");
 		ew32(TXCW, mac->txcw);
 		ew32(CTRL, (ctrl & ~E1000_CTRL_SLU));
 
@@ -548,11 +548,11 @@ s32 e1000e_check_for_serdes_link(struct e1000_hw *hw)
 		if (rxcw & E1000_RXCW_SYNCH) {
 			if (!(rxcw & E1000_RXCW_IV)) {
 				mac->serdes_has_link = true;
-				hw_dbg(hw, "SERDES: Link up - forced.\n");
+				e_dbg("SERDES: Link up - forced.\n");
 			}
 		} else {
 			mac->serdes_has_link = false;
-			hw_dbg(hw, "SERDES: Link down - force failed.\n");
+			e_dbg("SERDES: Link down - force failed.\n");
 		}
 	}
 
@@ -565,20 +565,20 @@ s32 e1000e_check_for_serdes_link(struct e1000_hw *hw)
 			if (rxcw & E1000_RXCW_SYNCH) {
 				if (!(rxcw & E1000_RXCW_IV)) {
 					mac->serdes_has_link = true;
-					hw_dbg(hw, "SERDES: Link up - autoneg "
+					e_dbg("SERDES: Link up - autoneg "
 					   "completed sucessfully.\n");
 				} else {
 					mac->serdes_has_link = false;
-					hw_dbg(hw, "SERDES: Link down - invalid"
+					e_dbg("SERDES: Link down - invalid"
 					   "codewords detected in autoneg.\n");
 				}
 			} else {
 				mac->serdes_has_link = false;
-				hw_dbg(hw, "SERDES: Link down - no sync.\n");
+				e_dbg("SERDES: Link down - no sync.\n");
 			}
 		} else {
 			mac->serdes_has_link = false;
-			hw_dbg(hw, "SERDES: Link down - autoneg failed\n");
+			e_dbg("SERDES: Link down - autoneg failed\n");
 		}
 	}
 
@@ -609,7 +609,7 @@ static s32 e1000_set_default_fc_generic(struct e1000_hw *hw)
 	ret_val = e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &nvm_data);
 
 	if (ret_val) {
-		hw_dbg(hw, "NVM Read Error\n");
+		e_dbg("NVM Read Error\n");
 		return ret_val;
 	}
 
@@ -662,7 +662,7 @@ s32 e1000e_setup_link(struct e1000_hw *hw)
 	 */
 	hw->fc.current_mode = hw->fc.requested_mode;
 
-	hw_dbg(hw, "After fix-ups FlowControl is now = %x\n",
+	e_dbg("After fix-ups FlowControl is now = %x\n",
 		hw->fc.current_mode);
 
 	/* Call the necessary media_type subroutine to configure the link. */
@@ -676,7 +676,7 @@ s32 e1000e_setup_link(struct e1000_hw *hw)
 	 * control is disabled, because it does not hurt anything to
 	 * initialize these registers.
 	 */
-	hw_dbg(hw, "Initializing the Flow Control address, type and timer regs\n");
+	e_dbg("Initializing the Flow Control address, type and timer regs\n");
 	ew32(FCT, FLOW_CONTROL_TYPE);
 	ew32(FCAH, FLOW_CONTROL_ADDRESS_HIGH);
 	ew32(FCAL, FLOW_CONTROL_ADDRESS_LOW);
@@ -746,7 +746,7 @@ static s32 e1000_commit_fc_settings_generic(struct e1000_hw *hw)
 		txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_PAUSE_MASK);
 		break;
 	default:
-		hw_dbg(hw, "Flow control param set incorrectly\n");
+		e_dbg("Flow control param set incorrectly\n");
 		return -E1000_ERR_CONFIG;
 		break;
 	}
@@ -784,7 +784,7 @@ static s32 e1000_poll_fiber_serdes_link_generic(struct e1000_hw *hw)
 			break;
 	}
 	if (i == FIBER_LINK_UP_LIMIT) {
-		hw_dbg(hw, "Never got a valid link from auto-neg!!!\n");
+		e_dbg("Never got a valid link from auto-neg!!!\n");
 		mac->autoneg_failed = 1;
 		/*
 		 * AutoNeg failed to achieve a link, so we'll call
@@ -794,13 +794,13 @@ static s32 e1000_poll_fiber_serdes_link_generic(struct e1000_hw *hw)
 		 */
 		ret_val = mac->ops.check_for_link(hw);
 		if (ret_val) {
-			hw_dbg(hw, "Error while checking for link\n");
+			e_dbg("Error while checking for link\n");
 			return ret_val;
 		}
 		mac->autoneg_failed = 0;
 	} else {
 		mac->autoneg_failed = 0;
-		hw_dbg(hw, "Valid Link Found\n");
+		e_dbg("Valid Link Found\n");
 	}
 
 	return 0;
@@ -836,7 +836,7 @@ s32 e1000e_setup_fiber_serdes_link(struct e1000_hw *hw)
 	 * then the link-up status bit will be set and the flow control enable
 	 * bits (RFCE and TFCE) will be set according to their negotiated value.
 	 */
-	hw_dbg(hw, "Auto-negotiation enabled\n");
+	e_dbg("Auto-negotiation enabled\n");
 
 	ew32(CTRL, ctrl);
 	e1e_flush();
@@ -851,7 +851,7 @@ s32 e1000e_setup_fiber_serdes_link(struct e1000_hw *hw)
 	    (er32(CTRL) & E1000_CTRL_SWDPIN1)) {
 		ret_val = e1000_poll_fiber_serdes_link_generic(hw);
 	} else {
-		hw_dbg(hw, "No signal detected\n");
+		e_dbg("No signal detected\n");
 	}
 
 	return 0;
@@ -947,7 +947,7 @@ s32 e1000e_force_mac_fc(struct e1000_hw *hw)
 	 *      3:  Both Rx and Tx flow control (symmetric) is enabled.
 	 *  other:  No other values should be possible at this point.
 	 */
-	hw_dbg(hw, "hw->fc.current_mode = %u\n", hw->fc.current_mode);
+	e_dbg("hw->fc.current_mode = %u\n", hw->fc.current_mode);
 
 	switch (hw->fc.current_mode) {
 	case e1000_fc_none:
@@ -965,7 +965,7 @@ s32 e1000e_force_mac_fc(struct e1000_hw *hw)
 		ctrl |= (E1000_CTRL_TFCE | E1000_CTRL_RFCE);
 		break;
 	default:
-		hw_dbg(hw, "Flow control param set incorrectly\n");
+		e_dbg("Flow control param set incorrectly\n");
 		return -E1000_ERR_CONFIG;
 	}
 
@@ -1006,7 +1006,7 @@ s32 e1000e_config_fc_after_link_up(struct e1000_hw *hw)
 	}
 
 	if (ret_val) {
-		hw_dbg(hw, "Error forcing flow control settings\n");
+		e_dbg("Error forcing flow control settings\n");
 		return ret_val;
 	}
 
@@ -1030,7 +1030,7 @@ s32 e1000e_config_fc_after_link_up(struct e1000_hw *hw)
 			return ret_val;
 
 		if (!(mii_status_reg & MII_SR_AUTONEG_COMPLETE)) {
-			hw_dbg(hw, "Copper PHY and Auto Neg "
+			e_dbg("Copper PHY and Auto Neg "
 				 "has not completed.\n");
 			return ret_val;
 		}
@@ -1095,10 +1095,10 @@ s32 e1000e_config_fc_after_link_up(struct e1000_hw *hw)
 			 */
 			if (hw->fc.requested_mode == e1000_fc_full) {
 				hw->fc.current_mode = e1000_fc_full;
-				hw_dbg(hw, "Flow Control = FULL.\r\n");
+				e_dbg("Flow Control = FULL.\r\n");
 			} else {
 				hw->fc.current_mode = e1000_fc_rx_pause;
-				hw_dbg(hw, "Flow Control = "
+				e_dbg("Flow Control = "
 					 "RX PAUSE frames only.\r\n");
 			}
 		}
@@ -1116,7 +1116,7 @@ s32 e1000e_config_fc_after_link_up(struct e1000_hw *hw)
 			  (mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) &&
 			  (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR)) {
 			hw->fc.current_mode = e1000_fc_tx_pause;
-			hw_dbg(hw, "Flow Control = Tx PAUSE frames only.\r\n");
+			e_dbg("Flow Control = Tx PAUSE frames only.\r\n");
 		}
 		/*
 		 * For transmitting PAUSE frames ONLY.
@@ -1132,14 +1132,14 @@ s32 e1000e_config_fc_after_link_up(struct e1000_hw *hw)
 			 !(mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) &&
 			 (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR)) {
 			hw->fc.current_mode = e1000_fc_rx_pause;
-			hw_dbg(hw, "Flow Control = Rx PAUSE frames only.\r\n");
+			e_dbg("Flow Control = Rx PAUSE frames only.\r\n");
 		} else {
 			/*
 			 * Per the IEEE spec, at this point flow control
 			 * should be disabled.
 			 */
 			hw->fc.current_mode = e1000_fc_none;
-			hw_dbg(hw, "Flow Control = NONE.\r\n");
+			e_dbg("Flow Control = NONE.\r\n");
 		}
 
 		/*
@@ -1149,7 +1149,7 @@ s32 e1000e_config_fc_after_link_up(struct e1000_hw *hw)
 		 */
 		ret_val = mac->ops.get_link_up_info(hw, &speed, &duplex);
 		if (ret_val) {
-			hw_dbg(hw, "Error getting link speed and duplex\n");
+			e_dbg("Error getting link speed and duplex\n");
 			return ret_val;
 		}
 
@@ -1162,7 +1162,7 @@ s32 e1000e_config_fc_after_link_up(struct e1000_hw *hw)
 		 */
 		ret_val = e1000e_force_mac_fc(hw);
 		if (ret_val) {
-			hw_dbg(hw, "Error forcing flow control settings\n");
+			e_dbg("Error forcing flow control settings\n");
 			return ret_val;
 		}
 	}
@@ -1186,21 +1186,21 @@ s32 e1000e_get_speed_and_duplex_copper(struct e1000_hw *hw, u16 *speed, u16 *dup
 	status = er32(STATUS);
 	if (status & E1000_STATUS_SPEED_1000) {
 		*speed = SPEED_1000;
-		hw_dbg(hw, "1000 Mbs, ");
+		e_dbg("1000 Mbs, ");
 	} else if (status & E1000_STATUS_SPEED_100) {
 		*speed = SPEED_100;
-		hw_dbg(hw, "100 Mbs, ");
+		e_dbg("100 Mbs, ");
 	} else {
 		*speed = SPEED_10;
-		hw_dbg(hw, "10 Mbs, ");
+		e_dbg("10 Mbs, ");
 	}
 
 	if (status & E1000_STATUS_FD) {
 		*duplex = FULL_DUPLEX;
-		hw_dbg(hw, "Full Duplex\n");
+		e_dbg("Full Duplex\n");
 	} else {
 		*duplex = HALF_DUPLEX;
-		hw_dbg(hw, "Half Duplex\n");
+		e_dbg("Half Duplex\n");
 	}
 
 	return 0;
@@ -1246,7 +1246,7 @@ s32 e1000e_get_hw_semaphore(struct e1000_hw *hw)
 	}
 
 	if (i == timeout) {
-		hw_dbg(hw, "Driver can't access device - SMBI bit is set.\n");
+		e_dbg("Driver can't access device - SMBI bit is set.\n");
 		return -E1000_ERR_NVM;
 	}
 
@@ -1265,7 +1265,7 @@ s32 e1000e_get_hw_semaphore(struct e1000_hw *hw)
 	if (i == timeout) {
 		/* Release semaphores */
 		e1000e_put_hw_semaphore(hw);
-		hw_dbg(hw, "Driver can't access the NVM\n");
+		e_dbg("Driver can't access the NVM\n");
 		return -E1000_ERR_NVM;
 	}
 
@@ -1305,7 +1305,7 @@ s32 e1000e_get_auto_rd_done(struct e1000_hw *hw)
 	}
 
 	if (i == AUTO_READ_DONE_TIMEOUT) {
-		hw_dbg(hw, "Auto read by HW from NVM has not completed.\n");
+		e_dbg("Auto read by HW from NVM has not completed.\n");
 		return -E1000_ERR_RESET;
 	}
 
@@ -1326,7 +1326,7 @@ s32 e1000e_valid_led_default(struct e1000_hw *hw, u16 *data)
 
 	ret_val = e1000_read_nvm(hw, NVM_ID_LED_SETTINGS, 1, data);
 	if (ret_val) {
-		hw_dbg(hw, "NVM Read Error\n");
+		e_dbg("NVM Read Error\n");
 		return ret_val;
 	}
 
@@ -1580,7 +1580,7 @@ s32 e1000e_disable_pcie_master(struct e1000_hw *hw)
 	}
 
 	if (!timeout) {
-		hw_dbg(hw, "Master requests are pending.\n");
+		e_dbg("Master requests are pending.\n");
 		return -E1000_ERR_MASTER_REQUESTS_PENDING;
 	}
 
@@ -1804,7 +1804,7 @@ s32 e1000e_acquire_nvm(struct e1000_hw *hw)
 	if (!timeout) {
 		eecd &= ~E1000_EECD_REQ;
 		ew32(EECD, eecd);
-		hw_dbg(hw, "Could not acquire NVM grant\n");
+		e_dbg("Could not acquire NVM grant\n");
 		return -E1000_ERR_NVM;
 	}
 
@@ -1909,7 +1909,7 @@ static s32 e1000_ready_nvm_eeprom(struct e1000_hw *hw)
 		}
 
 		if (!timeout) {
-			hw_dbg(hw, "SPI NVM Status error\n");
+			e_dbg("SPI NVM Status error\n");
 			return -E1000_ERR_NVM;
 		}
 	}
@@ -1938,7 +1938,7 @@ s32 e1000e_read_nvm_eerd(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
 	 */
 	if ((offset >= nvm->word_size) || (words > (nvm->word_size - offset)) ||
 	    (words == 0)) {
-		hw_dbg(hw, "nvm parameter(s) out of bounds\n");
+		e_dbg("nvm parameter(s) out of bounds\n");
 		return -E1000_ERR_NVM;
 	}
 
@@ -1981,7 +1981,7 @@ s32 e1000e_write_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
 	 */
 	if ((offset >= nvm->word_size) || (words > (nvm->word_size - offset)) ||
 	    (words == 0)) {
-		hw_dbg(hw, "nvm parameter(s) out of bounds\n");
+		e_dbg("nvm parameter(s) out of bounds\n");
 		return -E1000_ERR_NVM;
 	}
 
@@ -2061,7 +2061,7 @@ s32 e1000e_read_mac_addr(struct e1000_hw *hw)
 		ret_val = e1000_read_nvm(hw, NVM_ALT_MAC_ADDR_PTR, 1,
 					 &mac_addr_offset);
 		if (ret_val) {
-			hw_dbg(hw, "NVM Read Error\n");
+			e_dbg("NVM Read Error\n");
 			return ret_val;
 		}
 		if (mac_addr_offset == 0xFFFF)
@@ -2076,7 +2076,7 @@ s32 e1000e_read_mac_addr(struct e1000_hw *hw)
 			ret_val = e1000_read_nvm(hw, mac_addr_offset, 1,
 						 &nvm_data);
 			if (ret_val) {
-				hw_dbg(hw, "NVM Read Error\n");
+				e_dbg("NVM Read Error\n");
 				return ret_val;
 			}
 			if (nvm_data & 0x0001)
@@ -2091,7 +2091,7 @@ s32 e1000e_read_mac_addr(struct e1000_hw *hw)
 		offset = mac_addr_offset + (i >> 1);
 		ret_val = e1000_read_nvm(hw, offset, 1, &nvm_data);
 		if (ret_val) {
-			hw_dbg(hw, "NVM Read Error\n");
+			e_dbg("NVM Read Error\n");
 			return ret_val;
 		}
 		hw->mac.perm_addr[i] = (u8)(nvm_data & 0xFF);
@@ -2124,14 +2124,14 @@ s32 e1000e_validate_nvm_checksum_generic(struct e1000_hw *hw)
 	for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
 		ret_val = e1000_read_nvm(hw, i, 1, &nvm_data);
 		if (ret_val) {
-			hw_dbg(hw, "NVM Read Error\n");
+			e_dbg("NVM Read Error\n");
 			return ret_val;
 		}
 		checksum += nvm_data;
 	}
 
 	if (checksum != (u16) NVM_SUM) {
-		hw_dbg(hw, "NVM Checksum Invalid\n");
+		e_dbg("NVM Checksum Invalid\n");
 		return -E1000_ERR_NVM;
 	}
 
@@ -2155,7 +2155,7 @@ s32 e1000e_update_nvm_checksum_generic(struct e1000_hw *hw)
 	for (i = 0; i < NVM_CHECKSUM_REG; i++) {
 		ret_val = e1000_read_nvm(hw, i, 1, &nvm_data);
 		if (ret_val) {
-			hw_dbg(hw, "NVM Read Error while updating checksum.\n");
+			e_dbg("NVM Read Error while updating checksum.\n");
 			return ret_val;
 		}
 		checksum += nvm_data;
@@ -2163,7 +2163,7 @@ s32 e1000e_update_nvm_checksum_generic(struct e1000_hw *hw)
 	checksum = (u16) NVM_SUM - checksum;
 	ret_val = e1000_write_nvm(hw, NVM_CHECKSUM_REG, 1, &checksum);
 	if (ret_val)
-		hw_dbg(hw, "NVM Write Error while updating checksum.\n");
+		e_dbg("NVM Write Error while updating checksum.\n");
 
 	return ret_val;
 }
@@ -2226,7 +2226,7 @@ static s32 e1000_mng_enable_host_if(struct e1000_hw *hw)
 	/* Check that the host interface is enabled. */
 	hicr = er32(HICR);
 	if ((hicr & E1000_HICR_EN) == 0) {
-		hw_dbg(hw, "E1000_HOST_EN bit disabled.\n");
+		e_dbg("E1000_HOST_EN bit disabled.\n");
 		return -E1000_ERR_HOST_INTERFACE_COMMAND;
 	}
 	/* check the previous command is completed */
@@ -2238,7 +2238,7 @@ static s32 e1000_mng_enable_host_if(struct e1000_hw *hw)
 	}
 
 	if (i == E1000_MNG_DHCP_COMMAND_TIMEOUT) {
-		hw_dbg(hw, "Previous command timeout failed .\n");
+		e_dbg("Previous command timeout failed .\n");
 		return -E1000_ERR_HOST_INTERFACE_COMMAND;
 	}
 
@@ -2509,14 +2509,14 @@ s32 e1000e_read_pba_num(struct e1000_hw *hw, u32 *pba_num)
 
 	ret_val = e1000_read_nvm(hw, NVM_PBA_OFFSET_0, 1, &nvm_data);
 	if (ret_val) {
-		hw_dbg(hw, "NVM Read Error\n");
+		e_dbg("NVM Read Error\n");
 		return ret_val;
 	}
 	*pba_num = (u32)(nvm_data << 16);
 
 	ret_val = e1000_read_nvm(hw, NVM_PBA_OFFSET_1, 1, &nvm_data);
 	if (ret_val) {
-		hw_dbg(hw, "NVM Read Error\n");
+		e_dbg("NVM Read Error\n");
 		return ret_val;
 	}
 	*pba_num |= nvm_data;
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index ff9f9f1725e..0b5352307f1 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -65,17 +65,6 @@ static const struct e1000_info *e1000_info_tbl[] = {
 	[board_pchlan]		= &e1000_pch_info,
 };
 
-#ifdef DEBUG
-/**
- * e1000_get_hw_dev_name - return device name string
- * used by hardware layer to print debugging information
- **/
-char *e1000e_get_hw_dev_name(struct e1000_hw *hw)
-{
-	return hw->adapter->netdev->name;
-}
-#endif
-
 /**
  * e1000_desc_unused - calculate if we have unused descriptors
  **/
@@ -415,6 +404,7 @@ static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
 {
 	struct net_device *netdev = adapter->netdev;
 	struct pci_dev *pdev = adapter->pdev;
+	struct e1000_hw *hw = &adapter->hw;
 	struct e1000_ring *rx_ring = adapter->rx_ring;
 	struct e1000_rx_desc *rx_desc, *next_rxd;
 	struct e1000_buffer *buffer_info, *next_buffer;
@@ -464,8 +454,7 @@ static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
 		 * packet, also make sure the frame isn't just CRC only */
 		if (!(status & E1000_RXD_STAT_EOP) || (length <= 4)) {
 			/* All receives must fit into a single buffer */
-			e_dbg("%s: Receive packet consumed multiple buffers\n",
-			      netdev->name);
+			e_dbg("Receive packet consumed multiple buffers\n");
 			/* recycle */
 			buffer_info->skb = skb;
 			goto next_desc;
@@ -682,6 +671,7 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter)
 static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
 				  int *work_done, int work_to_do)
 {
+	struct e1000_hw *hw = &adapter->hw;
 	union e1000_rx_desc_packet_split *rx_desc, *next_rxd;
 	struct net_device *netdev = adapter->netdev;
 	struct pci_dev *pdev = adapter->pdev;
@@ -725,8 +715,8 @@ static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
 		buffer_info->dma = 0;
 
 		if (!(staterr & E1000_RXD_STAT_EOP)) {
-			e_dbg("%s: Packet Split buffers didn't pick up the "
-			      "full packet\n", netdev->name);
+			e_dbg("Packet Split buffers didn't pick up the full "
+			      "packet\n");
 			dev_kfree_skb_irq(skb);
 			goto next_desc;
 		}
@@ -739,8 +729,8 @@ static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
 		length = le16_to_cpu(rx_desc->wb.middle.length0);
 
 		if (!length) {
-			e_dbg("%s: Last part of the packet spanning multiple "
-			      "descriptors\n", netdev->name);
+			e_dbg("Last part of the packet spanning multiple "
+			      "descriptors\n");
 			dev_kfree_skb_irq(skb);
 			goto next_desc;
 		}
@@ -2931,7 +2921,7 @@ static irqreturn_t e1000_intr_msi_test(int irq, void *data)
 	struct e1000_hw *hw = &adapter->hw;
 	u32 icr = er32(ICR);
 
-	e_dbg("%s: icr is %08X\n", netdev->name, icr);
+	e_dbg("icr is %08X\n", icr);
 	if (icr & E1000_ICR_RXSEQ) {
 		adapter->flags &= ~FLAG_MSI_TEST_FAILED;
 		wmb();
@@ -3001,7 +2991,7 @@ static int e1000_test_msi_interrupt(struct e1000_adapter *adapter)
 		goto msi_test_failed;
 
 	/* okay so the test worked, restore settings */
-	e_dbg("%s: MSI interrupt test succeeded!\n", netdev->name);
+	e_dbg("MSI interrupt test succeeded!\n");
 msi_test_failed:
 	e1000e_set_interrupt_capability(adapter);
 	e1000_request_irq(adapter);
diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c
index 95a8196cf44..cff1df20403 100644
--- a/drivers/net/e1000e/phy.c
+++ b/drivers/net/e1000e/phy.c
@@ -212,7 +212,7 @@ s32 e1000e_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data)
 	u32 i, mdic = 0;
 
 	if (offset > MAX_PHY_REG_ADDRESS) {
-		hw_dbg(hw, "PHY Address %d is out of range\n", offset);
+		e_dbg("PHY Address %d is out of range\n", offset);
 		return -E1000_ERR_PARAM;
 	}
 
@@ -239,11 +239,11 @@ s32 e1000e_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data)
 			break;
 	}
 	if (!(mdic & E1000_MDIC_READY)) {
-		hw_dbg(hw, "MDI Read did not complete\n");
+		e_dbg("MDI Read did not complete\n");
 		return -E1000_ERR_PHY;
 	}
 	if (mdic & E1000_MDIC_ERROR) {
-		hw_dbg(hw, "MDI Error\n");
+		e_dbg("MDI Error\n");
 		return -E1000_ERR_PHY;
 	}
 	*data = (u16) mdic;
@@ -265,7 +265,7 @@ s32 e1000e_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data)
 	u32 i, mdic = 0;
 
 	if (offset > MAX_PHY_REG_ADDRESS) {
-		hw_dbg(hw, "PHY Address %d is out of range\n", offset);
+		e_dbg("PHY Address %d is out of range\n", offset);
 		return -E1000_ERR_PARAM;
 	}
 
@@ -293,11 +293,11 @@ s32 e1000e_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data)
 			break;
 	}
 	if (!(mdic & E1000_MDIC_READY)) {
-		hw_dbg(hw, "MDI Write did not complete\n");
+		e_dbg("MDI Write did not complete\n");
 		return -E1000_ERR_PHY;
 	}
 	if (mdic & E1000_MDIC_ERROR) {
-		hw_dbg(hw, "MDI Error\n");
+		e_dbg("MDI Error\n");
 		return -E1000_ERR_PHY;
 	}
 
@@ -786,7 +786,7 @@ s32 e1000e_copper_link_setup_m88(struct e1000_hw *hw)
 	/* Commit the changes. */
 	ret_val = e1000e_commit_phy(hw);
 	if (ret_val) {
-		hw_dbg(hw, "Error committing the PHY changes\n");
+		e_dbg("Error committing the PHY changes\n");
 		return ret_val;
 	}
 
@@ -823,7 +823,7 @@ s32 e1000e_copper_link_setup_igp(struct e1000_hw *hw)
 
 	ret_val = e1000_phy_hw_reset(hw);
 	if (ret_val) {
-		hw_dbg(hw, "Error resetting the PHY.\n");
+		e_dbg("Error resetting the PHY.\n");
 		return ret_val;
 	}
 
@@ -836,7 +836,7 @@ s32 e1000e_copper_link_setup_igp(struct e1000_hw *hw)
 	/* disable lplu d0 during driver init */
 	ret_val = e1000_set_d0_lplu_state(hw, 0);
 	if (ret_val) {
-		hw_dbg(hw, "Error Disabling LPLU D0\n");
+		e_dbg("Error Disabling LPLU D0\n");
 		return ret_val;
 	}
 	/* Configure mdi-mdix settings */
@@ -972,39 +972,39 @@ static s32 e1000_phy_setup_autoneg(struct e1000_hw *hw)
 				 NWAY_AR_10T_HD_CAPS);
 	mii_1000t_ctrl_reg &= ~(CR_1000T_HD_CAPS | CR_1000T_FD_CAPS);
 
-	hw_dbg(hw, "autoneg_advertised %x\n", phy->autoneg_advertised);
+	e_dbg("autoneg_advertised %x\n", phy->autoneg_advertised);
 
 	/* Do we want to advertise 10 Mb Half Duplex? */
 	if (phy->autoneg_advertised & ADVERTISE_10_HALF) {
-		hw_dbg(hw, "Advertise 10mb Half duplex\n");
+		e_dbg("Advertise 10mb Half duplex\n");
 		mii_autoneg_adv_reg |= NWAY_AR_10T_HD_CAPS;
 	}
 
 	/* Do we want to advertise 10 Mb Full Duplex? */
 	if (phy->autoneg_advertised & ADVERTISE_10_FULL) {
-		hw_dbg(hw, "Advertise 10mb Full duplex\n");
+		e_dbg("Advertise 10mb Full duplex\n");
 		mii_autoneg_adv_reg |= NWAY_AR_10T_FD_CAPS;
 	}
 
 	/* Do we want to advertise 100 Mb Half Duplex? */
 	if (phy->autoneg_advertised & ADVERTISE_100_HALF) {
-		hw_dbg(hw, "Advertise 100mb Half duplex\n");
+		e_dbg("Advertise 100mb Half duplex\n");
 		mii_autoneg_adv_reg |= NWAY_AR_100TX_HD_CAPS;
 	}
 
 	/* Do we want to advertise 100 Mb Full Duplex? */
 	if (phy->autoneg_advertised & ADVERTISE_100_FULL) {
-		hw_dbg(hw, "Advertise 100mb Full duplex\n");
+		e_dbg("Advertise 100mb Full duplex\n");
 		mii_autoneg_adv_reg |= NWAY_AR_100TX_FD_CAPS;
 	}
 
 	/* We do not allow the Phy to advertise 1000 Mb Half Duplex */
 	if (phy->autoneg_advertised & ADVERTISE_1000_HALF)
-		hw_dbg(hw, "Advertise 1000mb Half duplex request denied!\n");
+		e_dbg("Advertise 1000mb Half duplex request denied!\n");
 
 	/* Do we want to advertise 1000 Mb Full Duplex? */
 	if (phy->autoneg_advertised & ADVERTISE_1000_FULL) {
-		hw_dbg(hw, "Advertise 1000mb Full duplex\n");
+		e_dbg("Advertise 1000mb Full duplex\n");
 		mii_1000t_ctrl_reg |= CR_1000T_FD_CAPS;
 	}
 
@@ -1063,7 +1063,7 @@ static s32 e1000_phy_setup_autoneg(struct e1000_hw *hw)
 		mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
 		break;
 	default:
-		hw_dbg(hw, "Flow control param set incorrectly\n");
+		e_dbg("Flow control param set incorrectly\n");
 		ret_val = -E1000_ERR_CONFIG;
 		return ret_val;
 	}
@@ -1072,7 +1072,7 @@ static s32 e1000_phy_setup_autoneg(struct e1000_hw *hw)
 	if (ret_val)
 		return ret_val;
 
-	hw_dbg(hw, "Auto-Neg Advertising %x\n", mii_autoneg_adv_reg);
+	e_dbg("Auto-Neg Advertising %x\n", mii_autoneg_adv_reg);
 
 	if (phy->autoneg_mask & ADVERTISE_1000_FULL) {
 		ret_val = e1e_wphy(hw, PHY_1000T_CTRL, mii_1000t_ctrl_reg);
@@ -1109,13 +1109,13 @@ static s32 e1000_copper_link_autoneg(struct e1000_hw *hw)
 	if (phy->autoneg_advertised == 0)
 		phy->autoneg_advertised = phy->autoneg_mask;
 
-	hw_dbg(hw, "Reconfiguring auto-neg advertisement params\n");
+	e_dbg("Reconfiguring auto-neg advertisement params\n");
 	ret_val = e1000_phy_setup_autoneg(hw);
 	if (ret_val) {
-		hw_dbg(hw, "Error Setting up Auto-Negotiation\n");
+		e_dbg("Error Setting up Auto-Negotiation\n");
 		return ret_val;
 	}
-	hw_dbg(hw, "Restarting Auto-Neg\n");
+	e_dbg("Restarting Auto-Neg\n");
 
 	/*
 	 * Restart auto-negotiation by setting the Auto Neg Enable bit and
@@ -1137,7 +1137,7 @@ static s32 e1000_copper_link_autoneg(struct e1000_hw *hw)
 	if (phy->autoneg_wait_to_complete) {
 		ret_val = e1000_wait_autoneg(hw);
 		if (ret_val) {
-			hw_dbg(hw, "Error while waiting for "
+			e_dbg("Error while waiting for "
 				 "autoneg to complete\n");
 			return ret_val;
 		}
@@ -1175,10 +1175,10 @@ s32 e1000e_setup_copper_link(struct e1000_hw *hw)
 		 * PHY will be set to 10H, 10F, 100H or 100F
 		 * depending on user settings.
 		 */
-		hw_dbg(hw, "Forcing Speed and Duplex\n");
+		e_dbg("Forcing Speed and Duplex\n");
 		ret_val = e1000_phy_force_speed_duplex(hw);
 		if (ret_val) {
-			hw_dbg(hw, "Error Forcing Speed and Duplex\n");
+			e_dbg("Error Forcing Speed and Duplex\n");
 			return ret_val;
 		}
 	}
@@ -1195,11 +1195,11 @@ s32 e1000e_setup_copper_link(struct e1000_hw *hw)
 		return ret_val;
 
 	if (link) {
-		hw_dbg(hw, "Valid link established!!!\n");
+		e_dbg("Valid link established!!!\n");
 		e1000e_config_collision_dist(hw);
 		ret_val = e1000e_config_fc_after_link_up(hw);
 	} else {
-		hw_dbg(hw, "Unable to establish link!!!\n");
+		e_dbg("Unable to establish link!!!\n");
 	}
 
 	return ret_val;
@@ -1245,12 +1245,12 @@ s32 e1000e_phy_force_speed_duplex_igp(struct e1000_hw *hw)
 	if (ret_val)
 		return ret_val;
 
-	hw_dbg(hw, "IGP PSCR: %X\n", phy_data);
+	e_dbg("IGP PSCR: %X\n", phy_data);
 
 	udelay(1);
 
 	if (phy->autoneg_wait_to_complete) {
-		hw_dbg(hw, "Waiting for forced speed/duplex link on IGP phy.\n");
+		e_dbg("Waiting for forced speed/duplex link on IGP phy.\n");
 
 		ret_val = e1000e_phy_has_link_generic(hw,
 						     PHY_FORCE_LIMIT,
@@ -1260,7 +1260,7 @@ s32 e1000e_phy_force_speed_duplex_igp(struct e1000_hw *hw)
 			return ret_val;
 
 		if (!link)
-			hw_dbg(hw, "Link taking longer than expected.\n");
+			e_dbg("Link taking longer than expected.\n");
 
 		/* Try once more */
 		ret_val = e1000e_phy_has_link_generic(hw,
@@ -1304,7 +1304,7 @@ s32 e1000e_phy_force_speed_duplex_m88(struct e1000_hw *hw)
 	if (ret_val)
 		return ret_val;
 
-	hw_dbg(hw, "M88E1000 PSCR: %X\n", phy_data);
+	e_dbg("M88E1000 PSCR: %X\n", phy_data);
 
 	ret_val = e1e_rphy(hw, PHY_CONTROL, &phy_data);
 	if (ret_val)
@@ -1322,7 +1322,7 @@ s32 e1000e_phy_force_speed_duplex_m88(struct e1000_hw *hw)
 		return ret_val;
 
 	if (phy->autoneg_wait_to_complete) {
-		hw_dbg(hw, "Waiting for forced speed/duplex link on M88 phy.\n");
+		e_dbg("Waiting for forced speed/duplex link on M88 phy.\n");
 
 		ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT,
 						     100000, &link);
@@ -1413,11 +1413,11 @@ void e1000e_phy_force_speed_duplex_setup(struct e1000_hw *hw, u16 *phy_ctrl)
 	if (mac->forced_speed_duplex & E1000_ALL_HALF_DUPLEX) {
 		ctrl &= ~E1000_CTRL_FD;
 		*phy_ctrl &= ~MII_CR_FULL_DUPLEX;
-		hw_dbg(hw, "Half Duplex\n");
+		e_dbg("Half Duplex\n");
 	} else {
 		ctrl |= E1000_CTRL_FD;
 		*phy_ctrl |= MII_CR_FULL_DUPLEX;
-		hw_dbg(hw, "Full Duplex\n");
+		e_dbg("Full Duplex\n");
 	}
 
 	/* Forcing 10mb or 100mb? */
@@ -1425,12 +1425,12 @@ void e1000e_phy_force_speed_duplex_setup(struct e1000_hw *hw, u16 *phy_ctrl)
 		ctrl |= E1000_CTRL_SPD_100;
 		*phy_ctrl |= MII_CR_SPEED_100;
 		*phy_ctrl &= ~(MII_CR_SPEED_1000 | MII_CR_SPEED_10);
-		hw_dbg(hw, "Forcing 100mb\n");
+		e_dbg("Forcing 100mb\n");
 	} else {
 		ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
 		*phy_ctrl |= MII_CR_SPEED_10;
 		*phy_ctrl &= ~(MII_CR_SPEED_1000 | MII_CR_SPEED_100);
-		hw_dbg(hw, "Forcing 10mb\n");
+		e_dbg("Forcing 10mb\n");
 	}
 
 	e1000e_config_collision_dist(hw);
@@ -1826,7 +1826,7 @@ s32 e1000e_get_phy_info_m88(struct e1000_hw *hw)
 	bool link;
 
 	if (hw->phy.media_type != e1000_media_type_copper) {
-		hw_dbg(hw, "Phy info is only valid for copper media\n");
+		e_dbg("Phy info is only valid for copper media\n");
 		return -E1000_ERR_CONFIG;
 	}
 
@@ -1835,7 +1835,7 @@ s32 e1000e_get_phy_info_m88(struct e1000_hw *hw)
 		return ret_val;
 
 	if (!link) {
-		hw_dbg(hw, "Phy info is only valid if link is up\n");
+		e_dbg("Phy info is only valid if link is up\n");
 		return -E1000_ERR_CONFIG;
 	}
 
@@ -1903,7 +1903,7 @@ s32 e1000e_get_phy_info_igp(struct e1000_hw *hw)
 		return ret_val;
 
 	if (!link) {
-		hw_dbg(hw, "Phy info is only valid if link is up\n");
+		e_dbg("Phy info is only valid if link is up\n");
 		return -E1000_ERR_CONFIG;
 	}
 
@@ -2031,7 +2031,7 @@ s32 e1000e_get_cfg_done(struct e1000_hw *hw)
  **/
 s32 e1000e_phy_init_script_igp3(struct e1000_hw *hw)
 {
-	hw_dbg(hw, "Running IGP 3 PHY init script\n");
+	e_dbg("Running IGP 3 PHY init script\n");
 
 	/* PHY init IGP 3 */
 	/* Enable rise/fall, 10-mode work in class-A */
@@ -2474,7 +2474,7 @@ static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset,
 	/* Gig must be disabled for MDIO accesses to page 800 */
 	if ((hw->mac.type == e1000_pchlan) &&
 	   (!(er32(PHY_CTRL) & E1000_PHY_CTRL_GBE_DISABLE)))
-		hw_dbg(hw, "Attempting to access page 800 while gig enabled\n");
+		e_dbg("Attempting to access page 800 while gig enabled\n");
 
 	/* All operations in this function are phy address 1 */
 	hw->phy.addr = 1;
@@ -2884,7 +2884,7 @@ static s32 e1000_access_phy_debug_regs_hv(struct e1000_hw *hw, u32 offset,
 	/* masking with 0x3F to remove the page from offset */
 	ret_val = e1000e_write_phy_reg_mdic(hw, addr_reg, (u16)offset & 0x3F);
 	if (ret_val) {
-		hw_dbg(hw, "Could not write PHY the HV address register\n");
+		e_dbg("Could not write PHY the HV address register\n");
 		goto out;
 	}
 
@@ -2895,7 +2895,7 @@ static s32 e1000_access_phy_debug_regs_hv(struct e1000_hw *hw, u32 offset,
 		ret_val = e1000e_write_phy_reg_mdic(hw, data_reg, *data);
 
 	if (ret_val) {
-		hw_dbg(hw, "Could not read data value from HV data register\n");
+		e_dbg("Could not read data value from HV data register\n");
 		goto out;
 	}
 
@@ -3021,12 +3021,12 @@ s32 e1000_phy_force_speed_duplex_82577(struct e1000_hw *hw)
 	if (ret_val)
 		goto out;
 
-	hw_dbg(hw, "I82577_PHY_CTRL_2: %X\n", phy_data);
+	e_dbg("I82577_PHY_CTRL_2: %X\n", phy_data);
 
 	udelay(1);
 
 	if (phy->autoneg_wait_to_complete) {
-		hw_dbg(hw, "Waiting for forced speed/duplex link on 82577 phy\n");
+		e_dbg("Waiting for forced speed/duplex link on 82577 phy\n");
 
 		ret_val = e1000e_phy_has_link_generic(hw,
 		                                     PHY_FORCE_LIMIT,
@@ -3036,7 +3036,7 @@ s32 e1000_phy_force_speed_duplex_82577(struct e1000_hw *hw)
 			goto out;
 
 		if (!link)
-			hw_dbg(hw, "Link taking longer than expected.\n");
+			e_dbg("Link taking longer than expected.\n");
 
 		/* Try once more */
 		ret_val = e1000e_phy_has_link_generic(hw,
@@ -3072,7 +3072,7 @@ s32 e1000_get_phy_info_82577(struct e1000_hw *hw)
 		goto out;
 
 	if (!link) {
-		hw_dbg(hw, "Phy info is only valid if link is up\n");
+		e_dbg("Phy info is only valid if link is up\n");
 		ret_val = -E1000_ERR_CONFIG;
 		goto out;
 	}
-- 
GitLab


From 94d8186a693284344ee5cb9734086c7a2370241a Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Fri, 20 Nov 2009 23:25:26 +0000
Subject: [PATCH 1431/1815] e1000e: cleanup ops function pointers

The phy and nvm operations structures have function pointers that contain
"phy" and "nvm" in the pointer names which are redundant since the
structures are already obviously in phy and nvm structures.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/82571.c   |  54 ++++++------
 drivers/net/e1000e/e1000.h   |  16 ++--
 drivers/net/e1000e/es2lan.c  |  26 +++---
 drivers/net/e1000e/hw.h      |  32 +++----
 drivers/net/e1000e/ich8lan.c | 156 +++++++++++++++++------------------
 drivers/net/e1000e/lib.c     |   6 +-
 drivers/net/e1000e/netdev.c  |   4 +-
 drivers/net/e1000e/phy.c     | 110 ++++++++++++------------
 8 files changed, 201 insertions(+), 203 deletions(-)

diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
index 680b7c70306..6fe1b3c73c1 100644
--- a/drivers/net/e1000e/82571.c
+++ b/drivers/net/e1000e/82571.c
@@ -1671,64 +1671,64 @@ static struct e1000_mac_operations e82571_mac_ops = {
 };
 
 static struct e1000_phy_operations e82_phy_ops_igp = {
-	.acquire_phy		= e1000_get_hw_semaphore_82571,
+	.acquire		= e1000_get_hw_semaphore_82571,
 	.check_reset_block	= e1000e_check_reset_block_generic,
-	.commit_phy		= NULL,
+	.commit			= NULL,
 	.force_speed_duplex	= e1000e_phy_force_speed_duplex_igp,
 	.get_cfg_done		= e1000_get_cfg_done_82571,
 	.get_cable_length	= e1000e_get_cable_length_igp_2,
-	.get_phy_info		= e1000e_get_phy_info_igp,
-	.read_phy_reg		= e1000e_read_phy_reg_igp,
-	.release_phy		= e1000_put_hw_semaphore_82571,
-	.reset_phy		= e1000e_phy_hw_reset_generic,
+	.get_info		= e1000e_get_phy_info_igp,
+	.read_reg		= e1000e_read_phy_reg_igp,
+	.release		= e1000_put_hw_semaphore_82571,
+	.reset			= e1000e_phy_hw_reset_generic,
 	.set_d0_lplu_state	= e1000_set_d0_lplu_state_82571,
 	.set_d3_lplu_state	= e1000e_set_d3_lplu_state,
-	.write_phy_reg		= e1000e_write_phy_reg_igp,
+	.write_reg		= e1000e_write_phy_reg_igp,
 	.cfg_on_link_up      	= NULL,
 };
 
 static struct e1000_phy_operations e82_phy_ops_m88 = {
-	.acquire_phy		= e1000_get_hw_semaphore_82571,
+	.acquire		= e1000_get_hw_semaphore_82571,
 	.check_reset_block	= e1000e_check_reset_block_generic,
-	.commit_phy		= e1000e_phy_sw_reset,
+	.commit			= e1000e_phy_sw_reset,
 	.force_speed_duplex	= e1000e_phy_force_speed_duplex_m88,
 	.get_cfg_done		= e1000e_get_cfg_done,
 	.get_cable_length	= e1000e_get_cable_length_m88,
-	.get_phy_info		= e1000e_get_phy_info_m88,
-	.read_phy_reg		= e1000e_read_phy_reg_m88,
-	.release_phy		= e1000_put_hw_semaphore_82571,
-	.reset_phy		= e1000e_phy_hw_reset_generic,
+	.get_info		= e1000e_get_phy_info_m88,
+	.read_reg		= e1000e_read_phy_reg_m88,
+	.release		= e1000_put_hw_semaphore_82571,
+	.reset			= e1000e_phy_hw_reset_generic,
 	.set_d0_lplu_state	= e1000_set_d0_lplu_state_82571,
 	.set_d3_lplu_state	= e1000e_set_d3_lplu_state,
-	.write_phy_reg		= e1000e_write_phy_reg_m88,
+	.write_reg		= e1000e_write_phy_reg_m88,
 	.cfg_on_link_up      	= NULL,
 };
 
 static struct e1000_phy_operations e82_phy_ops_bm = {
-	.acquire_phy		= e1000_get_hw_semaphore_82571,
+	.acquire		= e1000_get_hw_semaphore_82571,
 	.check_reset_block	= e1000e_check_reset_block_generic,
-	.commit_phy		= e1000e_phy_sw_reset,
+	.commit			= e1000e_phy_sw_reset,
 	.force_speed_duplex	= e1000e_phy_force_speed_duplex_m88,
 	.get_cfg_done		= e1000e_get_cfg_done,
 	.get_cable_length	= e1000e_get_cable_length_m88,
-	.get_phy_info		= e1000e_get_phy_info_m88,
-	.read_phy_reg		= e1000e_read_phy_reg_bm2,
-	.release_phy		= e1000_put_hw_semaphore_82571,
-	.reset_phy		= e1000e_phy_hw_reset_generic,
+	.get_info		= e1000e_get_phy_info_m88,
+	.read_reg		= e1000e_read_phy_reg_bm2,
+	.release		= e1000_put_hw_semaphore_82571,
+	.reset			= e1000e_phy_hw_reset_generic,
 	.set_d0_lplu_state	= e1000_set_d0_lplu_state_82571,
 	.set_d3_lplu_state	= e1000e_set_d3_lplu_state,
-	.write_phy_reg		= e1000e_write_phy_reg_bm2,
+	.write_reg		= e1000e_write_phy_reg_bm2,
 	.cfg_on_link_up      	= NULL,
 };
 
 static struct e1000_nvm_operations e82571_nvm_ops = {
-	.acquire_nvm		= e1000_acquire_nvm_82571,
-	.read_nvm		= e1000e_read_nvm_eerd,
-	.release_nvm		= e1000_release_nvm_82571,
-	.update_nvm		= e1000_update_nvm_checksum_82571,
+	.acquire		= e1000_acquire_nvm_82571,
+	.read			= e1000e_read_nvm_eerd,
+	.release		= e1000_release_nvm_82571,
+	.update			= e1000_update_nvm_checksum_82571,
 	.valid_led_default	= e1000_valid_led_default_82571,
-	.validate_nvm		= e1000_validate_nvm_checksum_82571,
-	.write_nvm		= e1000_write_nvm_82571,
+	.validate		= e1000_validate_nvm_checksum_82571,
+	.write			= e1000_write_nvm_82571,
 };
 
 struct e1000_info e1000_82571_info = {
diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h
index dac00a02383..602598c8c18 100644
--- a/drivers/net/e1000e/e1000.h
+++ b/drivers/net/e1000e/e1000.h
@@ -584,7 +584,7 @@ extern s32 e1000_get_cable_length_82577(struct e1000_hw *hw);
 
 static inline s32 e1000_phy_hw_reset(struct e1000_hw *hw)
 {
-	return hw->phy.ops.reset_phy(hw);
+	return hw->phy.ops.reset(hw);
 }
 
 static inline s32 e1000_check_reset_block(struct e1000_hw *hw)
@@ -594,12 +594,12 @@ static inline s32 e1000_check_reset_block(struct e1000_hw *hw)
 
 static inline s32 e1e_rphy(struct e1000_hw *hw, u32 offset, u16 *data)
 {
-	return hw->phy.ops.read_phy_reg(hw, offset, data);
+	return hw->phy.ops.read_reg(hw, offset, data);
 }
 
 static inline s32 e1e_wphy(struct e1000_hw *hw, u32 offset, u16 data)
 {
-	return hw->phy.ops.write_phy_reg(hw, offset, data);
+	return hw->phy.ops.write_reg(hw, offset, data);
 }
 
 static inline s32 e1000_get_cable_length(struct e1000_hw *hw)
@@ -619,27 +619,27 @@ extern s32 e1000e_read_mac_addr(struct e1000_hw *hw);
 
 static inline s32 e1000_validate_nvm_checksum(struct e1000_hw *hw)
 {
-	return hw->nvm.ops.validate_nvm(hw);
+	return hw->nvm.ops.validate(hw);
 }
 
 static inline s32 e1000e_update_nvm_checksum(struct e1000_hw *hw)
 {
-	return hw->nvm.ops.update_nvm(hw);
+	return hw->nvm.ops.update(hw);
 }
 
 static inline s32 e1000_read_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
 {
-	return hw->nvm.ops.read_nvm(hw, offset, words, data);
+	return hw->nvm.ops.read(hw, offset, words, data);
 }
 
 static inline s32 e1000_write_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
 {
-	return hw->nvm.ops.write_nvm(hw, offset, words, data);
+	return hw->nvm.ops.write(hw, offset, words, data);
 }
 
 static inline s32 e1000_get_phy_info(struct e1000_hw *hw)
 {
-	return hw->phy.ops.get_phy_info(hw);
+	return hw->phy.ops.get_info(hw);
 }
 
 static inline s32 e1000e_check_mng_mode(struct e1000_hw *hw)
diff --git a/drivers/net/e1000e/es2lan.c b/drivers/net/e1000e/es2lan.c
index f5601c5ff7a..d024e20bc6a 100644
--- a/drivers/net/e1000e/es2lan.c
+++ b/drivers/net/e1000e/es2lan.c
@@ -1378,30 +1378,30 @@ static struct e1000_mac_operations es2_mac_ops = {
 };
 
 static struct e1000_phy_operations es2_phy_ops = {
-	.acquire_phy		= e1000_acquire_phy_80003es2lan,
+	.acquire		= e1000_acquire_phy_80003es2lan,
 	.check_reset_block	= e1000e_check_reset_block_generic,
-	.commit_phy	 	= e1000e_phy_sw_reset,
+	.commit		 	= e1000e_phy_sw_reset,
 	.force_speed_duplex 	= e1000_phy_force_speed_duplex_80003es2lan,
 	.get_cfg_done       	= e1000_get_cfg_done_80003es2lan,
 	.get_cable_length   	= e1000_get_cable_length_80003es2lan,
-	.get_phy_info       	= e1000e_get_phy_info_m88,
-	.read_phy_reg       	= e1000_read_phy_reg_gg82563_80003es2lan,
-	.release_phy		= e1000_release_phy_80003es2lan,
-	.reset_phy	  	= e1000e_phy_hw_reset_generic,
+	.get_info       	= e1000e_get_phy_info_m88,
+	.read_reg       	= e1000_read_phy_reg_gg82563_80003es2lan,
+	.release		= e1000_release_phy_80003es2lan,
+	.reset		  	= e1000e_phy_hw_reset_generic,
 	.set_d0_lplu_state  	= NULL,
 	.set_d3_lplu_state  	= e1000e_set_d3_lplu_state,
-	.write_phy_reg      	= e1000_write_phy_reg_gg82563_80003es2lan,
+	.write_reg      	= e1000_write_phy_reg_gg82563_80003es2lan,
 	.cfg_on_link_up      	= e1000_cfg_on_link_up_80003es2lan,
 };
 
 static struct e1000_nvm_operations es2_nvm_ops = {
-	.acquire_nvm		= e1000_acquire_nvm_80003es2lan,
-	.read_nvm		= e1000e_read_nvm_eerd,
-	.release_nvm		= e1000_release_nvm_80003es2lan,
-	.update_nvm		= e1000e_update_nvm_checksum_generic,
+	.acquire		= e1000_acquire_nvm_80003es2lan,
+	.read			= e1000e_read_nvm_eerd,
+	.release		= e1000_release_nvm_80003es2lan,
+	.update			= e1000e_update_nvm_checksum_generic,
 	.valid_led_default	= e1000e_valid_led_default,
-	.validate_nvm		= e1000e_validate_nvm_checksum_generic,
-	.write_nvm		= e1000_write_nvm_80003es2lan,
+	.validate		= e1000e_validate_nvm_checksum_generic,
+	.write			= e1000_write_nvm_80003es2lan,
 };
 
 struct e1000_info e1000_es2_info = {
diff --git a/drivers/net/e1000e/hw.h b/drivers/net/e1000e/hw.h
index 44808b053fc..842d8e7e9c2 100644
--- a/drivers/net/e1000e/hw.h
+++ b/drivers/net/e1000e/hw.h
@@ -755,34 +755,34 @@ struct e1000_mac_operations {
 
 /* Function pointers for the PHY. */
 struct e1000_phy_operations {
-	s32  (*acquire_phy)(struct e1000_hw *);
+	s32  (*acquire)(struct e1000_hw *);
+	s32  (*cfg_on_link_up)(struct e1000_hw *);
 	s32  (*check_polarity)(struct e1000_hw *);
 	s32  (*check_reset_block)(struct e1000_hw *);
-	s32  (*commit_phy)(struct e1000_hw *);
+	s32  (*commit)(struct e1000_hw *);
 	s32  (*force_speed_duplex)(struct e1000_hw *);
 	s32  (*get_cfg_done)(struct e1000_hw *hw);
 	s32  (*get_cable_length)(struct e1000_hw *);
-	s32  (*get_phy_info)(struct e1000_hw *);
-	s32  (*read_phy_reg)(struct e1000_hw *, u32, u16 *);
-	s32  (*read_phy_reg_locked)(struct e1000_hw *, u32, u16 *);
-	void (*release_phy)(struct e1000_hw *);
-	s32  (*reset_phy)(struct e1000_hw *);
+	s32  (*get_info)(struct e1000_hw *);
+	s32  (*read_reg)(struct e1000_hw *, u32, u16 *);
+	s32  (*read_reg_locked)(struct e1000_hw *, u32, u16 *);
+	void (*release)(struct e1000_hw *);
+	s32  (*reset)(struct e1000_hw *);
 	s32  (*set_d0_lplu_state)(struct e1000_hw *, bool);
 	s32  (*set_d3_lplu_state)(struct e1000_hw *, bool);
-	s32  (*write_phy_reg)(struct e1000_hw *, u32, u16);
-	s32  (*write_phy_reg_locked)(struct e1000_hw *, u32, u16);
-	s32  (*cfg_on_link_up)(struct e1000_hw *);
+	s32  (*write_reg)(struct e1000_hw *, u32, u16);
+	s32  (*write_reg_locked)(struct e1000_hw *, u32, u16);
 };
 
 /* Function pointers for the NVM. */
 struct e1000_nvm_operations {
-	s32  (*acquire_nvm)(struct e1000_hw *);
-	s32  (*read_nvm)(struct e1000_hw *, u16, u16, u16 *);
-	void (*release_nvm)(struct e1000_hw *);
-	s32  (*update_nvm)(struct e1000_hw *);
+	s32  (*acquire)(struct e1000_hw *);
+	s32  (*read)(struct e1000_hw *, u16, u16, u16 *);
+	void (*release)(struct e1000_hw *);
+	s32  (*update)(struct e1000_hw *);
 	s32  (*valid_led_default)(struct e1000_hw *, u16 *);
-	s32  (*validate_nvm)(struct e1000_hw *);
-	s32  (*write_nvm)(struct e1000_hw *, u16, u16, u16 *);
+	s32  (*validate)(struct e1000_hw *);
+	s32  (*write)(struct e1000_hw *, u16, u16, u16 *);
 };
 
 struct e1000_mac_info {
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index 101a2714467..dd94fc2e4b8 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -260,12 +260,12 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw)
 	phy->reset_delay_us           = 100;
 
 	phy->ops.check_polarity       = e1000_check_polarity_ife_ich8lan;
-	phy->ops.read_phy_reg         = e1000_read_phy_reg_hv;
-	phy->ops.read_phy_reg_locked  = e1000_read_phy_reg_hv_locked;
+	phy->ops.read_reg             = e1000_read_phy_reg_hv;
+	phy->ops.read_reg_locked      = e1000_read_phy_reg_hv_locked;
 	phy->ops.set_d0_lplu_state    = e1000_set_lplu_state_pchlan;
 	phy->ops.set_d3_lplu_state    = e1000_set_lplu_state_pchlan;
-	phy->ops.write_phy_reg        = e1000_write_phy_reg_hv;
-	phy->ops.write_phy_reg_locked = e1000_write_phy_reg_hv_locked;
+	phy->ops.write_reg            = e1000_write_phy_reg_hv;
+	phy->ops.write_reg_locked     = e1000_write_phy_reg_hv_locked;
 	phy->autoneg_mask             = AUTONEG_ADVERTISE_SPEED_DEFAULT;
 
 	phy->id = e1000_phy_unknown;
@@ -277,8 +277,8 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw)
 		phy->ops.force_speed_duplex =
 			e1000_phy_force_speed_duplex_82577;
 		phy->ops.get_cable_length   = e1000_get_cable_length_82577;
-		phy->ops.get_phy_info = e1000_get_phy_info_82577;
-		phy->ops.commit_phy = e1000e_phy_sw_reset;
+		phy->ops.get_info = e1000_get_phy_info_82577;
+		phy->ops.commit = e1000e_phy_sw_reset;
 	}
 
 	return ret_val;
@@ -305,8 +305,8 @@ static s32 e1000_init_phy_params_ich8lan(struct e1000_hw *hw)
 	 */
 	ret_val = e1000e_determine_phy_address(hw);
 	if (ret_val) {
-		hw->phy.ops.write_phy_reg = e1000e_write_phy_reg_bm;
-		hw->phy.ops.read_phy_reg  = e1000e_read_phy_reg_bm;
+		phy->ops.write_reg = e1000e_write_phy_reg_bm;
+		phy->ops.read_reg  = e1000e_read_phy_reg_bm;
 		ret_val = e1000e_determine_phy_address(hw);
 		if (ret_val)
 			return ret_val;
@@ -326,8 +326,8 @@ static s32 e1000_init_phy_params_ich8lan(struct e1000_hw *hw)
 	case IGP03E1000_E_PHY_ID:
 		phy->type = e1000_phy_igp_3;
 		phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT;
-		phy->ops.read_phy_reg_locked = e1000e_read_phy_reg_igp_locked;
-		phy->ops.write_phy_reg_locked = e1000e_write_phy_reg_igp_locked;
+		phy->ops.read_reg_locked = e1000e_read_phy_reg_igp_locked;
+		phy->ops.write_reg_locked = e1000e_write_phy_reg_igp_locked;
 		break;
 	case IFE_E_PHY_ID:
 	case IFE_PLUS_E_PHY_ID:
@@ -338,9 +338,9 @@ static s32 e1000_init_phy_params_ich8lan(struct e1000_hw *hw)
 	case BME1000_E_PHY_ID:
 		phy->type = e1000_phy_bm;
 		phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT;
-		hw->phy.ops.read_phy_reg = e1000e_read_phy_reg_bm;
-		hw->phy.ops.write_phy_reg = e1000e_write_phy_reg_bm;
-		hw->phy.ops.commit_phy = e1000e_phy_sw_reset;
+		phy->ops.read_reg = e1000e_read_phy_reg_bm;
+		phy->ops.write_reg = e1000e_write_phy_reg_bm;
+		phy->ops.commit = e1000e_phy_sw_reset;
 		break;
 	default:
 		return -E1000_ERR_PHY;
@@ -816,7 +816,7 @@ static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw)
 	s32 ret_val;
 	u16 word_addr, reg_data, reg_addr, phy_page = 0;
 
-	ret_val = hw->phy.ops.acquire_phy(hw);
+	ret_val = hw->phy.ops.acquire(hw);
 	if (ret_val)
 		return ret_val;
 
@@ -912,7 +912,7 @@ static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw)
 			reg_addr &= PHY_REG_MASK;
 			reg_addr |= phy_page;
 
-			ret_val = phy->ops.write_phy_reg_locked(hw,
+			ret_val = phy->ops.write_reg_locked(hw,
 			                                    (u32)reg_addr,
 			                                    reg_data);
 			if (ret_val)
@@ -921,7 +921,7 @@ static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw)
 	}
 
 out:
-	hw->phy.ops.release_phy(hw);
+	hw->phy.ops.release(hw);
 	return ret_val;
 }
 
@@ -945,15 +945,14 @@ static s32 e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link)
 		goto out;
 
 	/* Wrap the whole flow with the sw flag */
-	ret_val = hw->phy.ops.acquire_phy(hw);
+	ret_val = hw->phy.ops.acquire(hw);
 	if (ret_val)
 		goto out;
 
 	/* Disable K1 when link is 1Gbps, otherwise use the NVM setting */
 	if (link) {
 		if (hw->phy.type == e1000_phy_82578) {
-			ret_val = hw->phy.ops.read_phy_reg_locked(hw,
-			                                          BM_CS_STATUS,
+			ret_val = hw->phy.ops.read_reg_locked(hw, BM_CS_STATUS,
 			                                          &status_reg);
 			if (ret_val)
 				goto release;
@@ -969,8 +968,7 @@ static s32 e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link)
 		}
 
 		if (hw->phy.type == e1000_phy_82577) {
-			ret_val = hw->phy.ops.read_phy_reg_locked(hw,
-			                                          HV_M_STATUS,
+			ret_val = hw->phy.ops.read_reg_locked(hw, HV_M_STATUS,
 			                                          &status_reg);
 			if (ret_val)
 				goto release;
@@ -986,14 +984,14 @@ static s32 e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link)
 		}
 
 		/* Link stall fix for link up */
-		ret_val = hw->phy.ops.write_phy_reg_locked(hw, PHY_REG(770, 19),
+		ret_val = hw->phy.ops.write_reg_locked(hw, PHY_REG(770, 19),
 		                                           0x0100);
 		if (ret_val)
 			goto release;
 
 	} else {
 		/* Link stall fix for link down */
-		ret_val = hw->phy.ops.write_phy_reg_locked(hw, PHY_REG(770, 19),
+		ret_val = hw->phy.ops.write_reg_locked(hw, PHY_REG(770, 19),
 		                                           0x4100);
 		if (ret_val)
 			goto release;
@@ -1002,7 +1000,7 @@ static s32 e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link)
 	ret_val = e1000_configure_k1_ich8lan(hw, k1_enable);
 
 release:
-	hw->phy.ops.release_phy(hw);
+	hw->phy.ops.release(hw);
 out:
 	return ret_val;
 }
@@ -1078,7 +1076,7 @@ static s32 e1000_oem_bits_config_ich8lan(struct e1000_hw *hw, bool d0_state)
 	if (hw->mac.type != e1000_pchlan)
 		return ret_val;
 
-	ret_val = hw->phy.ops.acquire_phy(hw);
+	ret_val = hw->phy.ops.acquire(hw);
 	if (ret_val)
 		return ret_val;
 
@@ -1092,7 +1090,7 @@ static s32 e1000_oem_bits_config_ich8lan(struct e1000_hw *hw, bool d0_state)
 
 	mac_reg = er32(PHY_CTRL);
 
-	ret_val = hw->phy.ops.read_phy_reg_locked(hw, HV_OEM_BITS, &oem_reg);
+	ret_val = hw->phy.ops.read_reg_locked(hw, HV_OEM_BITS, &oem_reg);
 	if (ret_val)
 		goto out;
 
@@ -1113,10 +1111,10 @@ static s32 e1000_oem_bits_config_ich8lan(struct e1000_hw *hw, bool d0_state)
 	}
 	/* Restart auto-neg to activate the bits */
 	oem_reg |= HV_OEM_BITS_RESTART_AN;
-	ret_val = hw->phy.ops.write_phy_reg_locked(hw, HV_OEM_BITS, oem_reg);
+	ret_val = hw->phy.ops.write_reg_locked(hw, HV_OEM_BITS, oem_reg);
 
 out:
-	hw->phy.ops.release_phy(hw);
+	hw->phy.ops.release(hw);
 
 	return ret_val;
 }
@@ -1159,7 +1157,7 @@ static s32 e1000_hv_phy_workarounds_ich8lan(struct e1000_hw *hw)
 	}
 
 	/* Select page 0 */
-	ret_val = hw->phy.ops.acquire_phy(hw);
+	ret_val = hw->phy.ops.acquire(hw);
 	if (ret_val)
 		return ret_val;
 
@@ -1167,7 +1165,7 @@ static s32 e1000_hv_phy_workarounds_ich8lan(struct e1000_hw *hw)
 	ret_val = e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, 0);
 	if (ret_val)
 		goto out;
-	hw->phy.ops.release_phy(hw);
+	hw->phy.ops.release(hw);
 
 	/*
 	 * Configure the K1 Si workaround during phy reset assuming there is
@@ -1667,7 +1665,7 @@ static s32 e1000_read_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words,
 		goto out;
 	}
 
-	nvm->ops.acquire_nvm(hw);
+	nvm->ops.acquire(hw);
 
 	ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank);
 	if (ret_val) {
@@ -1693,7 +1691,7 @@ static s32 e1000_read_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words,
 		}
 	}
 
-	nvm->ops.release_nvm(hw);
+	nvm->ops.release(hw);
 
 out:
 	if (ret_val)
@@ -1951,14 +1949,14 @@ static s32 e1000_write_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words,
 		return -E1000_ERR_NVM;
 	}
 
-	nvm->ops.acquire_nvm(hw);
+	nvm->ops.acquire(hw);
 
 	for (i = 0; i < words; i++) {
 		dev_spec->shadow_ram[offset+i].modified = 1;
 		dev_spec->shadow_ram[offset+i].value = data[i];
 	}
 
-	nvm->ops.release_nvm(hw);
+	nvm->ops.release(hw);
 
 	return 0;
 }
@@ -1989,7 +1987,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
 	if (nvm->type != e1000_nvm_flash_sw)
 		goto out;
 
-	nvm->ops.acquire_nvm(hw);
+	nvm->ops.acquire(hw);
 
 	/*
 	 * We're writing to the opposite bank so if we're on bank 1,
@@ -2007,7 +2005,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
 		old_bank_offset = 0;
 		ret_val = e1000_erase_flash_bank_ich8lan(hw, 1);
 		if (ret_val) {
-			nvm->ops.release_nvm(hw);
+			nvm->ops.release(hw);
 			goto out;
 		}
 	} else {
@@ -2015,7 +2013,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
 		new_bank_offset = 0;
 		ret_val = e1000_erase_flash_bank_ich8lan(hw, 0);
 		if (ret_val) {
-			nvm->ops.release_nvm(hw);
+			nvm->ops.release(hw);
 			goto out;
 		}
 	}
@@ -2073,7 +2071,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
 	if (ret_val) {
 		/* Possibly read-only, see e1000e_write_protect_nvm_ich8lan() */
 		e_dbg("Flash commit failed.\n");
-		nvm->ops.release_nvm(hw);
+		nvm->ops.release(hw);
 		goto out;
 	}
 
@@ -2086,7 +2084,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
 	act_offset = new_bank_offset + E1000_ICH_NVM_SIG_WORD;
 	ret_val = e1000_read_flash_word_ich8lan(hw, act_offset, &data);
 	if (ret_val) {
-		nvm->ops.release_nvm(hw);
+		nvm->ops.release(hw);
 		goto out;
 	}
 	data &= 0xBFFF;
@@ -2094,7 +2092,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
 						       act_offset * 2 + 1,
 						       (u8)(data >> 8));
 	if (ret_val) {
-		nvm->ops.release_nvm(hw);
+		nvm->ops.release(hw);
 		goto out;
 	}
 
@@ -2107,7 +2105,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
 	act_offset = (old_bank_offset + E1000_ICH_NVM_SIG_WORD) * 2 + 1;
 	ret_val = e1000_retry_write_flash_byte_ich8lan(hw, act_offset, 0);
 	if (ret_val) {
-		nvm->ops.release_nvm(hw);
+		nvm->ops.release(hw);
 		goto out;
 	}
 
@@ -2117,7 +2115,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
 		dev_spec->shadow_ram[i].value = 0xFFFF;
 	}
 
-	nvm->ops.release_nvm(hw);
+	nvm->ops.release(hw);
 
 	/*
 	 * Reload the EEPROM, or else modifications will not appear
@@ -2186,7 +2184,7 @@ void e1000e_write_protect_nvm_ich8lan(struct e1000_hw *hw)
 	union ich8_hws_flash_status hsfsts;
 	u32 gfpreg;
 
-	nvm->ops.acquire_nvm(hw);
+	nvm->ops.acquire(hw);
 
 	gfpreg = er32flash(ICH_FLASH_GFPREG);
 
@@ -2207,7 +2205,7 @@ void e1000e_write_protect_nvm_ich8lan(struct e1000_hw *hw)
 	hsfsts.hsf_status.flockdn = true;
 	ew32flash(ICH_FLASH_HSFSTS, hsfsts.regval);
 
-	nvm->ops.release_nvm(hw);
+	nvm->ops.release(hw);
 }
 
 /**
@@ -2743,7 +2741,7 @@ static s32 e1000_init_hw_ich8lan(struct e1000_hw *hw)
 	 * Reset the phy after disabling host wakeup to reset the Rx buffer.
 	 */
 	if (hw->phy.type == e1000_phy_82578) {
-		hw->phy.ops.read_phy_reg(hw, BM_WUC, &i);
+		hw->phy.ops.read_reg(hw, BM_WUC, &i);
 		ret_val = e1000_phy_hw_reset_ich8lan(hw);
 		if (ret_val)
 			return ret_val;
@@ -2890,7 +2888,7 @@ static s32 e1000_setup_link_ich8lan(struct e1000_hw *hw)
 	ew32(FCTTV, hw->fc.pause_time);
 	if ((hw->phy.type == e1000_phy_82578) ||
 	    (hw->phy.type == e1000_phy_82577)) {
-		ret_val = hw->phy.ops.write_phy_reg(hw,
+		ret_val = hw->phy.ops.write_reg(hw,
 		                             PHY_REG(BM_PORT_CTRL_PAGE, 27),
 		                             hw->fc.pause_time);
 		if (ret_val)
@@ -2953,7 +2951,7 @@ static s32 e1000_setup_copper_link_ich8lan(struct e1000_hw *hw)
 			return ret_val;
 		break;
 	case e1000_phy_ife:
-		ret_val = hw->phy.ops.read_phy_reg(hw, IFE_PHY_MDIX_CONTROL,
+		ret_val = hw->phy.ops.read_reg(hw, IFE_PHY_MDIX_CONTROL,
 		                               &reg_data);
 		if (ret_val)
 			return ret_val;
@@ -2972,7 +2970,7 @@ static s32 e1000_setup_copper_link_ich8lan(struct e1000_hw *hw)
 			reg_data |= IFE_PMC_AUTO_MDIX;
 			break;
 		}
-		ret_val = hw->phy.ops.write_phy_reg(hw, IFE_PHY_MDIX_CONTROL,
+		ret_val = hw->phy.ops.write_reg(hw, IFE_PHY_MDIX_CONTROL,
 		                                reg_data);
 		if (ret_val)
 			return ret_val;
@@ -3274,7 +3272,7 @@ static s32 e1000_led_off_ich8lan(struct e1000_hw *hw)
  **/
 static s32 e1000_setup_led_pchlan(struct e1000_hw *hw)
 {
-	return hw->phy.ops.write_phy_reg(hw, HV_LED_CONFIG,
+	return hw->phy.ops.write_reg(hw, HV_LED_CONFIG,
 					(u16)hw->mac.ledctl_mode1);
 }
 
@@ -3286,7 +3284,7 @@ static s32 e1000_setup_led_pchlan(struct e1000_hw *hw)
  **/
 static s32 e1000_cleanup_led_pchlan(struct e1000_hw *hw)
 {
-	return hw->phy.ops.write_phy_reg(hw, HV_LED_CONFIG,
+	return hw->phy.ops.write_reg(hw, HV_LED_CONFIG,
 					(u16)hw->mac.ledctl_default);
 }
 
@@ -3318,7 +3316,7 @@ static s32 e1000_led_on_pchlan(struct e1000_hw *hw)
 		}
 	}
 
-	return hw->phy.ops.write_phy_reg(hw, HV_LED_CONFIG, data);
+	return hw->phy.ops.write_reg(hw, HV_LED_CONFIG, data);
 }
 
 /**
@@ -3349,7 +3347,7 @@ static s32 e1000_led_off_pchlan(struct e1000_hw *hw)
 		}
 	}
 
-	return hw->phy.ops.write_phy_reg(hw, HV_LED_CONFIG, data);
+	return hw->phy.ops.write_reg(hw, HV_LED_CONFIG, data);
 }
 
 /**
@@ -3426,20 +3424,20 @@ static void e1000_clear_hw_cntrs_ich8lan(struct e1000_hw *hw)
 	/* Clear PHY statistics registers */
 	if ((hw->phy.type == e1000_phy_82578) ||
 	    (hw->phy.type == e1000_phy_82577)) {
-		hw->phy.ops.read_phy_reg(hw, HV_SCC_UPPER, &phy_data);
-		hw->phy.ops.read_phy_reg(hw, HV_SCC_LOWER, &phy_data);
-		hw->phy.ops.read_phy_reg(hw, HV_ECOL_UPPER, &phy_data);
-		hw->phy.ops.read_phy_reg(hw, HV_ECOL_LOWER, &phy_data);
-		hw->phy.ops.read_phy_reg(hw, HV_MCC_UPPER, &phy_data);
-		hw->phy.ops.read_phy_reg(hw, HV_MCC_LOWER, &phy_data);
-		hw->phy.ops.read_phy_reg(hw, HV_LATECOL_UPPER, &phy_data);
-		hw->phy.ops.read_phy_reg(hw, HV_LATECOL_LOWER, &phy_data);
-		hw->phy.ops.read_phy_reg(hw, HV_COLC_UPPER, &phy_data);
-		hw->phy.ops.read_phy_reg(hw, HV_COLC_LOWER, &phy_data);
-		hw->phy.ops.read_phy_reg(hw, HV_DC_UPPER, &phy_data);
-		hw->phy.ops.read_phy_reg(hw, HV_DC_LOWER, &phy_data);
-		hw->phy.ops.read_phy_reg(hw, HV_TNCRS_UPPER, &phy_data);
-		hw->phy.ops.read_phy_reg(hw, HV_TNCRS_LOWER, &phy_data);
+		hw->phy.ops.read_reg(hw, HV_SCC_UPPER, &phy_data);
+		hw->phy.ops.read_reg(hw, HV_SCC_LOWER, &phy_data);
+		hw->phy.ops.read_reg(hw, HV_ECOL_UPPER, &phy_data);
+		hw->phy.ops.read_reg(hw, HV_ECOL_LOWER, &phy_data);
+		hw->phy.ops.read_reg(hw, HV_MCC_UPPER, &phy_data);
+		hw->phy.ops.read_reg(hw, HV_MCC_LOWER, &phy_data);
+		hw->phy.ops.read_reg(hw, HV_LATECOL_UPPER, &phy_data);
+		hw->phy.ops.read_reg(hw, HV_LATECOL_LOWER, &phy_data);
+		hw->phy.ops.read_reg(hw, HV_COLC_UPPER, &phy_data);
+		hw->phy.ops.read_reg(hw, HV_COLC_LOWER, &phy_data);
+		hw->phy.ops.read_reg(hw, HV_DC_UPPER, &phy_data);
+		hw->phy.ops.read_reg(hw, HV_DC_LOWER, &phy_data);
+		hw->phy.ops.read_reg(hw, HV_TNCRS_UPPER, &phy_data);
+		hw->phy.ops.read_reg(hw, HV_TNCRS_LOWER, &phy_data);
 	}
 }
 
@@ -3462,29 +3460,29 @@ static struct e1000_mac_operations ich8_mac_ops = {
 };
 
 static struct e1000_phy_operations ich8_phy_ops = {
-	.acquire_phy		= e1000_acquire_swflag_ich8lan,
+	.acquire		= e1000_acquire_swflag_ich8lan,
 	.check_reset_block	= e1000_check_reset_block_ich8lan,
-	.commit_phy		= NULL,
+	.commit			= NULL,
 	.force_speed_duplex	= e1000_phy_force_speed_duplex_ich8lan,
 	.get_cfg_done		= e1000_get_cfg_done_ich8lan,
 	.get_cable_length	= e1000e_get_cable_length_igp_2,
-	.get_phy_info		= e1000_get_phy_info_ich8lan,
-	.read_phy_reg		= e1000e_read_phy_reg_igp,
-	.release_phy		= e1000_release_swflag_ich8lan,
-	.reset_phy		= e1000_phy_hw_reset_ich8lan,
+	.get_info		= e1000_get_phy_info_ich8lan,
+	.read_reg		= e1000e_read_phy_reg_igp,
+	.release		= e1000_release_swflag_ich8lan,
+	.reset			= e1000_phy_hw_reset_ich8lan,
 	.set_d0_lplu_state	= e1000_set_d0_lplu_state_ich8lan,
 	.set_d3_lplu_state	= e1000_set_d3_lplu_state_ich8lan,
-	.write_phy_reg		= e1000e_write_phy_reg_igp,
+	.write_reg		= e1000e_write_phy_reg_igp,
 };
 
 static struct e1000_nvm_operations ich8_nvm_ops = {
-	.acquire_nvm		= e1000_acquire_nvm_ich8lan,
-	.read_nvm	 	= e1000_read_nvm_ich8lan,
-	.release_nvm		= e1000_release_nvm_ich8lan,
-	.update_nvm		= e1000_update_nvm_checksum_ich8lan,
+	.acquire		= e1000_acquire_nvm_ich8lan,
+	.read		 	= e1000_read_nvm_ich8lan,
+	.release		= e1000_release_nvm_ich8lan,
+	.update			= e1000_update_nvm_checksum_ich8lan,
 	.valid_led_default	= e1000_valid_led_default_ich8lan,
-	.validate_nvm		= e1000_validate_nvm_checksum_ich8lan,
-	.write_nvm		= e1000_write_nvm_ich8lan,
+	.validate		= e1000_validate_nvm_checksum_ich8lan,
+	.write			= e1000_write_nvm_ich8lan,
 };
 
 struct e1000_info e1000_ich8_info = {
diff --git a/drivers/net/e1000e/lib.c b/drivers/net/e1000e/lib.c
index fa31c51e564..f664fc03aa2 100644
--- a/drivers/net/e1000e/lib.c
+++ b/drivers/net/e1000e/lib.c
@@ -1985,7 +1985,7 @@ s32 e1000e_write_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
 		return -E1000_ERR_NVM;
 	}
 
-	ret_val = nvm->ops.acquire_nvm(hw);
+	ret_val = nvm->ops.acquire(hw);
 	if (ret_val)
 		return ret_val;
 
@@ -1996,7 +1996,7 @@ s32 e1000e_write_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
 
 		ret_val = e1000_ready_nvm_eeprom(hw);
 		if (ret_val) {
-			nvm->ops.release_nvm(hw);
+			nvm->ops.release(hw);
 			return ret_val;
 		}
 
@@ -2035,7 +2035,7 @@ s32 e1000e_write_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
 	}
 
 	msleep(10);
-	nvm->ops.release_nvm(hw);
+	nvm->ops.release(hw);
 	return 0;
 }
 
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 0b5352307f1..6eb96935f8a 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -4419,7 +4419,7 @@ static int e1000_init_phy_wakeup(struct e1000_adapter *adapter, u32 wufc)
 	e1e_wphy(&adapter->hw, BM_WUC, E1000_WUC_PME_EN);
 
 	/* activate PHY wakeup */
-	retval = hw->phy.ops.acquire_phy(hw);
+	retval = hw->phy.ops.acquire(hw);
 	if (retval) {
 		e_err("Could not acquire PHY\n");
 		return retval;
@@ -4436,7 +4436,7 @@ static int e1000_init_phy_wakeup(struct e1000_adapter *adapter, u32 wufc)
 	if (retval)
 		e_err("Could not set PHY Host Wakeup bit\n");
 out:
-	hw->phy.ops.release_phy(hw);
+	hw->phy.ops.release(hw);
 
 	return retval;
 }
diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c
index cff1df20403..765dc389561 100644
--- a/drivers/net/e1000e/phy.c
+++ b/drivers/net/e1000e/phy.c
@@ -131,7 +131,7 @@ s32 e1000e_get_phy_id(struct e1000_hw *hw)
 	u16 phy_id;
 	u16 retry_count = 0;
 
-	if (!(phy->ops.read_phy_reg))
+	if (!(phy->ops.read_reg))
 		goto out;
 
 	while (retry_count < 2) {
@@ -157,24 +157,24 @@ s32 e1000e_get_phy_id(struct e1000_hw *hw)
 		 * MDIC mode. No harm in trying again in this case since
 		 * the PHY ID is unknown at this point anyway
 		 */
-		ret_val = phy->ops.acquire_phy(hw);
+		ret_val = phy->ops.acquire(hw);
 		if (ret_val)
 			goto out;
 		ret_val = e1000_set_mdio_slow_mode_hv(hw, true);
 		if (ret_val)
 			goto out;
-		phy->ops.release_phy(hw);
+		phy->ops.release(hw);
 
 		retry_count++;
 	}
 out:
 	/* Revert to MDIO fast mode, if applicable */
 	if (retry_count) {
-		ret_val = phy->ops.acquire_phy(hw);
+		ret_val = phy->ops.acquire(hw);
 		if (ret_val)
 			return ret_val;
 		ret_val = e1000_set_mdio_slow_mode_hv(hw, false);
-		phy->ops.release_phy(hw);
+		phy->ops.release(hw);
 	}
 
 	return ret_val;
@@ -318,14 +318,14 @@ s32 e1000e_read_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 *data)
 {
 	s32 ret_val;
 
-	ret_val = hw->phy.ops.acquire_phy(hw);
+	ret_val = hw->phy.ops.acquire(hw);
 	if (ret_val)
 		return ret_val;
 
 	ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
 					   data);
 
-	hw->phy.ops.release_phy(hw);
+	hw->phy.ops.release(hw);
 
 	return ret_val;
 }
@@ -343,14 +343,14 @@ s32 e1000e_write_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 data)
 {
 	s32 ret_val;
 
-	ret_val = hw->phy.ops.acquire_phy(hw);
+	ret_val = hw->phy.ops.acquire(hw);
 	if (ret_val)
 		return ret_val;
 
 	ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
 					    data);
 
-	hw->phy.ops.release_phy(hw);
+	hw->phy.ops.release(hw);
 
 	return ret_val;
 }
@@ -372,10 +372,10 @@ static s32 __e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data,
 	s32 ret_val = 0;
 
 	if (!locked) {
-		if (!(hw->phy.ops.acquire_phy))
+		if (!(hw->phy.ops.acquire))
 			goto out;
 
-		ret_val = hw->phy.ops.acquire_phy(hw);
+		ret_val = hw->phy.ops.acquire(hw);
 		if (ret_val)
 			goto out;
 	}
@@ -393,7 +393,7 @@ static s32 __e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data,
 
 release:
 	if (!locked)
-		hw->phy.ops.release_phy(hw);
+		hw->phy.ops.release(hw);
 out:
 	return ret_val;
 }
@@ -443,10 +443,10 @@ static s32 __e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data,
 	s32 ret_val = 0;
 
 	if (!locked) {
-		if (!(hw->phy.ops.acquire_phy))
+		if (!(hw->phy.ops.acquire))
 			goto out;
 
-		ret_val = hw->phy.ops.acquire_phy(hw);
+		ret_val = hw->phy.ops.acquire(hw);
 		if (ret_val)
 			goto out;
 	}
@@ -464,7 +464,7 @@ static s32 __e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data,
 
 release:
 	if (!locked)
-		hw->phy.ops.release_phy(hw);
+		hw->phy.ops.release(hw);
 
 out:
 	return ret_val;
@@ -516,10 +516,10 @@ static s32 __e1000_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data,
 	s32 ret_val = 0;
 
 	if (!locked) {
-		if (!(hw->phy.ops.acquire_phy))
+		if (!(hw->phy.ops.acquire))
 			goto out;
 
-		ret_val = hw->phy.ops.acquire_phy(hw);
+		ret_val = hw->phy.ops.acquire(hw);
 		if (ret_val)
 			goto out;
 	}
@@ -534,7 +534,7 @@ static s32 __e1000_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data,
 	*data = (u16)kmrnctrlsta;
 
 	if (!locked)
-		hw->phy.ops.release_phy(hw);
+		hw->phy.ops.release(hw);
 
 out:
 	return ret_val;
@@ -588,10 +588,10 @@ static s32 __e1000_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data,
 	s32 ret_val = 0;
 
 	if (!locked) {
-		if (!(hw->phy.ops.acquire_phy))
+		if (!(hw->phy.ops.acquire))
 			goto out;
 
-		ret_val = hw->phy.ops.acquire_phy(hw);
+		ret_val = hw->phy.ops.acquire(hw);
 		if (ret_val)
 			goto out;
 	}
@@ -603,7 +603,7 @@ static s32 __e1000_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data,
 	udelay(2);
 
 	if (!locked)
-		hw->phy.ops.release_phy(hw);
+		hw->phy.ops.release(hw);
 
 out:
 	return ret_val;
@@ -650,7 +650,7 @@ s32 e1000_copper_link_setup_82577(struct e1000_hw *hw)
 	u16 phy_data;
 
 	/* Enable CRS on TX. This must be set for half-duplex operation. */
-	ret_val = phy->ops.read_phy_reg(hw, I82577_CFG_REG, &phy_data);
+	ret_val = phy->ops.read_reg(hw, I82577_CFG_REG, &phy_data);
 	if (ret_val)
 		goto out;
 
@@ -659,16 +659,16 @@ s32 e1000_copper_link_setup_82577(struct e1000_hw *hw)
 	/* Enable downshift */
 	phy_data |= I82577_CFG_ENABLE_DOWNSHIFT;
 
-	ret_val = phy->ops.write_phy_reg(hw, I82577_CFG_REG, phy_data);
+	ret_val = phy->ops.write_reg(hw, I82577_CFG_REG, phy_data);
 	if (ret_val)
 		goto out;
 
 	/* Set number of link attempts before downshift */
-	ret_val = phy->ops.read_phy_reg(hw, I82577_CTRL_REG, &phy_data);
+	ret_val = phy->ops.read_reg(hw, I82577_CTRL_REG, &phy_data);
 	if (ret_val)
 		goto out;
 	phy_data &= ~I82577_CTRL_DOWNSHIFT_MASK;
-	ret_val = phy->ops.write_phy_reg(hw, I82577_CTRL_REG, phy_data);
+	ret_val = phy->ops.write_reg(hw, I82577_CTRL_REG, phy_data);
 
 out:
 	return ret_val;
@@ -791,7 +791,7 @@ s32 e1000e_copper_link_setup_m88(struct e1000_hw *hw)
 	}
 
 	if (phy->type == e1000_phy_82578) {
-		ret_val = phy->ops.read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,
+		ret_val = phy->ops.read_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,
 		                            &phy_data);
 		if (ret_val)
 			return ret_val;
@@ -799,7 +799,7 @@ s32 e1000e_copper_link_setup_m88(struct e1000_hw *hw)
 		/* 82578 PHY - set the downshift count to 1x. */
 		phy_data |= I82578_EPSCR_DOWNSHIFT_ENABLE;
 		phy_data &= ~I82578_EPSCR_DOWNSHIFT_COUNTER_MASK;
-		ret_val = phy->ops.write_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,
+		ret_val = phy->ops.write_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,
 		                             phy_data);
 		if (ret_val)
 			return ret_val;
@@ -1990,7 +1990,7 @@ s32 e1000e_phy_hw_reset_generic(struct e1000_hw *hw)
 	if (ret_val)
 		return 0;
 
-	ret_val = phy->ops.acquire_phy(hw);
+	ret_val = phy->ops.acquire(hw);
 	if (ret_val)
 		return ret_val;
 
@@ -2005,7 +2005,7 @@ s32 e1000e_phy_hw_reset_generic(struct e1000_hw *hw)
 
 	udelay(150);
 
-	phy->ops.release_phy(hw);
+	phy->ops.release(hw);
 
 	return e1000_get_phy_cfg_done(hw);
 }
@@ -2256,7 +2256,7 @@ s32 e1000e_write_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 data)
 	u32 page = offset >> IGP_PAGE_SHIFT;
 	u32 page_shift = 0;
 
-	ret_val = hw->phy.ops.acquire_phy(hw);
+	ret_val = hw->phy.ops.acquire(hw);
 	if (ret_val)
 		return ret_val;
 
@@ -2294,7 +2294,7 @@ s32 e1000e_write_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 data)
 	                                    data);
 
 out:
-	hw->phy.ops.release_phy(hw);
+	hw->phy.ops.release(hw);
 	return ret_val;
 }
 
@@ -2315,7 +2315,7 @@ s32 e1000e_read_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 *data)
 	u32 page = offset >> IGP_PAGE_SHIFT;
 	u32 page_shift = 0;
 
-	ret_val = hw->phy.ops.acquire_phy(hw);
+	ret_val = hw->phy.ops.acquire(hw);
 	if (ret_val)
 		return ret_val;
 
@@ -2352,7 +2352,7 @@ s32 e1000e_read_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 *data)
 	ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
 	                                   data);
 out:
-	hw->phy.ops.release_phy(hw);
+	hw->phy.ops.release(hw);
 	return ret_val;
 }
 
@@ -2371,7 +2371,7 @@ s32 e1000e_read_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 *data)
 	s32 ret_val;
 	u16 page = (u16)(offset >> IGP_PAGE_SHIFT);
 
-	ret_val = hw->phy.ops.acquire_phy(hw);
+	ret_val = hw->phy.ops.acquire(hw);
 	if (ret_val)
 		return ret_val;
 
@@ -2397,7 +2397,7 @@ s32 e1000e_read_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 *data)
 	ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
 					   data);
 out:
-	hw->phy.ops.release_phy(hw);
+	hw->phy.ops.release(hw);
 	return ret_val;
 }
 
@@ -2415,7 +2415,7 @@ s32 e1000e_write_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 data)
 	s32 ret_val;
 	u16 page = (u16)(offset >> IGP_PAGE_SHIFT);
 
-	ret_val = hw->phy.ops.acquire_phy(hw);
+	ret_val = hw->phy.ops.acquire(hw);
 	if (ret_val)
 		return ret_val;
 
@@ -2441,7 +2441,7 @@ s32 e1000e_write_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 data)
 					    data);
 
 out:
-	hw->phy.ops.release_phy(hw);
+	hw->phy.ops.release(hw);
 	return ret_val;
 }
 
@@ -2544,8 +2544,8 @@ out:
  **/
 s32 e1000e_commit_phy(struct e1000_hw *hw)
 {
-	if (hw->phy.ops.commit_phy)
-		return hw->phy.ops.commit_phy(hw);
+	if (hw->phy.ops.commit)
+		return hw->phy.ops.commit(hw);
 
 	return 0;
 }
@@ -2624,7 +2624,7 @@ static s32 __e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data,
 	bool in_slow_mode = false;
 
 	if (!locked) {
-		ret_val = hw->phy.ops.acquire_phy(hw);
+		ret_val = hw->phy.ops.acquire(hw);
 		if (ret_val)
 			return ret_val;
 	}
@@ -2681,7 +2681,7 @@ out:
 		ret_val = e1000_set_mdio_slow_mode_hv(hw, false);
 
 	if (!locked)
-		hw->phy.ops.release_phy(hw);
+		hw->phy.ops.release(hw);
 
 	return ret_val;
 }
@@ -2734,7 +2734,7 @@ static s32 __e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data,
 	bool in_slow_mode = false;
 
 	if (!locked) {
-		ret_val = hw->phy.ops.acquire_phy(hw);
+		ret_val = hw->phy.ops.acquire(hw);
 		if (ret_val)
 			return ret_val;
 	}
@@ -2808,7 +2808,7 @@ out:
 		ret_val = e1000_set_mdio_slow_mode_hv(hw, false);
 
 	if (!locked)
-		hw->phy.ops.release_phy(hw);
+		hw->phy.ops.release(hw);
 
 	return ret_val;
 }
@@ -2923,12 +2923,12 @@ s32 e1000_link_stall_workaround_hv(struct e1000_hw *hw)
 		goto out;
 
 	/* Do not apply workaround if in PHY loopback bit 14 set */
-	hw->phy.ops.read_phy_reg(hw, PHY_CONTROL, &data);
+	hw->phy.ops.read_reg(hw, PHY_CONTROL, &data);
 	if (data & PHY_CONTROL_LB)
 		goto out;
 
 	/* check if link is up and at 1Gbps */
-	ret_val = hw->phy.ops.read_phy_reg(hw, BM_CS_STATUS, &data);
+	ret_val = hw->phy.ops.read_reg(hw, BM_CS_STATUS, &data);
 	if (ret_val)
 		goto out;
 
@@ -2944,13 +2944,13 @@ s32 e1000_link_stall_workaround_hv(struct e1000_hw *hw)
 	mdelay(200);
 
 	/* flush the packets in the fifo buffer */
-	ret_val = hw->phy.ops.write_phy_reg(hw, HV_MUX_DATA_CTRL,
+	ret_val = hw->phy.ops.write_reg(hw, HV_MUX_DATA_CTRL,
 	                                HV_MUX_DATA_CTRL_GEN_TO_MAC |
 	                                HV_MUX_DATA_CTRL_FORCE_SPEED);
 	if (ret_val)
 		goto out;
 
-	ret_val = hw->phy.ops.write_phy_reg(hw, HV_MUX_DATA_CTRL,
+	ret_val = hw->phy.ops.write_reg(hw, HV_MUX_DATA_CTRL,
 	                                HV_MUX_DATA_CTRL_GEN_TO_MAC);
 
 out:
@@ -2971,7 +2971,7 @@ s32 e1000_check_polarity_82577(struct e1000_hw *hw)
 	s32 ret_val;
 	u16 data;
 
-	ret_val = phy->ops.read_phy_reg(hw, I82577_PHY_STATUS_2, &data);
+	ret_val = phy->ops.read_reg(hw, I82577_PHY_STATUS_2, &data);
 
 	if (!ret_val)
 		phy->cable_polarity = (data & I82577_PHY_STATUS2_REV_POLARITY)
@@ -2996,13 +2996,13 @@ s32 e1000_phy_force_speed_duplex_82577(struct e1000_hw *hw)
 	u16 phy_data;
 	bool link;
 
-	ret_val = phy->ops.read_phy_reg(hw, PHY_CONTROL, &phy_data);
+	ret_val = phy->ops.read_reg(hw, PHY_CONTROL, &phy_data);
 	if (ret_val)
 		goto out;
 
 	e1000e_phy_force_speed_duplex_setup(hw, &phy_data);
 
-	ret_val = phy->ops.write_phy_reg(hw, PHY_CONTROL, phy_data);
+	ret_val = phy->ops.write_reg(hw, PHY_CONTROL, phy_data);
 	if (ret_val)
 		goto out;
 
@@ -3010,14 +3010,14 @@ s32 e1000_phy_force_speed_duplex_82577(struct e1000_hw *hw)
 	 * Clear Auto-Crossover to force MDI manually.  82577 requires MDI
 	 * forced whenever speed and duplex are forced.
 	 */
-	ret_val = phy->ops.read_phy_reg(hw, I82577_PHY_CTRL_2, &phy_data);
+	ret_val = phy->ops.read_reg(hw, I82577_PHY_CTRL_2, &phy_data);
 	if (ret_val)
 		goto out;
 
 	phy_data &= ~I82577_PHY_CTRL2_AUTO_MDIX;
 	phy_data &= ~I82577_PHY_CTRL2_FORCE_MDI_MDIX;
 
-	ret_val = phy->ops.write_phy_reg(hw, I82577_PHY_CTRL_2, phy_data);
+	ret_val = phy->ops.write_reg(hw, I82577_PHY_CTRL_2, phy_data);
 	if (ret_val)
 		goto out;
 
@@ -3083,7 +3083,7 @@ s32 e1000_get_phy_info_82577(struct e1000_hw *hw)
 	if (ret_val)
 		goto out;
 
-	ret_val = phy->ops.read_phy_reg(hw, I82577_PHY_STATUS_2, &data);
+	ret_val = phy->ops.read_reg(hw, I82577_PHY_STATUS_2, &data);
 	if (ret_val)
 		goto out;
 
@@ -3095,7 +3095,7 @@ s32 e1000_get_phy_info_82577(struct e1000_hw *hw)
 		if (ret_val)
 			goto out;
 
-		ret_val = phy->ops.read_phy_reg(hw, PHY_1000T_STATUS, &data);
+		ret_val = phy->ops.read_reg(hw, PHY_1000T_STATUS, &data);
 		if (ret_val)
 			goto out;
 
@@ -3129,7 +3129,7 @@ s32 e1000_get_cable_length_82577(struct e1000_hw *hw)
 	s32 ret_val;
 	u16 phy_data, length;
 
-	ret_val = phy->ops.read_phy_reg(hw, I82577_PHY_DIAG_STATUS, &phy_data);
+	ret_val = phy->ops.read_reg(hw, I82577_PHY_DIAG_STATUS, &phy_data);
 	if (ret_val)
 		goto out;
 
-- 
GitLab


From c7e54b1bf90480ca4bdfd1491ac6c4b7bfe07c03 Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Fri, 20 Nov 2009 23:25:45 +0000
Subject: [PATCH 1432/1815] e1000e: update copyright information

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/82571.c   | 2 +-
 drivers/net/e1000e/defines.h | 2 +-
 drivers/net/e1000e/e1000.h   | 2 +-
 drivers/net/e1000e/es2lan.c  | 2 +-
 drivers/net/e1000e/ethtool.c | 2 +-
 drivers/net/e1000e/hw.h      | 2 +-
 drivers/net/e1000e/ich8lan.c | 2 +-
 drivers/net/e1000e/lib.c     | 2 +-
 drivers/net/e1000e/netdev.c  | 4 ++--
 drivers/net/e1000e/param.c   | 2 +-
 drivers/net/e1000e/phy.c     | 2 +-
 11 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
index 6fe1b3c73c1..a984bc33fd0 100644
--- a/drivers/net/e1000e/82571.c
+++ b/drivers/net/e1000e/82571.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel PRO/1000 Linux driver
-  Copyright(c) 1999 - 2008 Intel Corporation.
+  Copyright(c) 1999 - 2009 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/e1000e/defines.h b/drivers/net/e1000e/defines.h
index 1190167a8b3..86d2809763c 100644
--- a/drivers/net/e1000e/defines.h
+++ b/drivers/net/e1000e/defines.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel PRO/1000 Linux driver
-  Copyright(c) 1999 - 2008 Intel Corporation.
+  Copyright(c) 1999 - 2009 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h
index 602598c8c18..5ac8675b0c5 100644
--- a/drivers/net/e1000e/e1000.h
+++ b/drivers/net/e1000e/e1000.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel PRO/1000 Linux driver
-  Copyright(c) 1999 - 2008 Intel Corporation.
+  Copyright(c) 1999 - 2009 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/e1000e/es2lan.c b/drivers/net/e1000e/es2lan.c
index d024e20bc6a..103dc64742c 100644
--- a/drivers/net/e1000e/es2lan.c
+++ b/drivers/net/e1000e/es2lan.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel PRO/1000 Linux driver
-  Copyright(c) 1999 - 2008 Intel Corporation.
+  Copyright(c) 1999 - 2009 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c
index fd7921482d2..b6243cad310 100644
--- a/drivers/net/e1000e/ethtool.c
+++ b/drivers/net/e1000e/ethtool.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel PRO/1000 Linux driver
-  Copyright(c) 1999 - 2008 Intel Corporation.
+  Copyright(c) 1999 - 2009 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/e1000e/hw.h b/drivers/net/e1000e/hw.h
index 842d8e7e9c2..426155c15ce 100644
--- a/drivers/net/e1000e/hw.h
+++ b/drivers/net/e1000e/hw.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel PRO/1000 Linux driver
-  Copyright(c) 1999 - 2008 Intel Corporation.
+  Copyright(c) 1999 - 2009 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index dd94fc2e4b8..191a4e39d28 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel PRO/1000 Linux driver
-  Copyright(c) 1999 - 2008 Intel Corporation.
+  Copyright(c) 1999 - 2009 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/e1000e/lib.c b/drivers/net/e1000e/lib.c
index f664fc03aa2..0c6ad0e6717 100644
--- a/drivers/net/e1000e/lib.c
+++ b/drivers/net/e1000e/lib.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel PRO/1000 Linux driver
-  Copyright(c) 1999 - 2008 Intel Corporation.
+  Copyright(c) 1999 - 2009 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 6eb96935f8a..a5716760c0e 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel PRO/1000 Linux driver
-  Copyright(c) 1999 - 2008 Intel Corporation.
+  Copyright(c) 1999 - 2009 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
@@ -5364,7 +5364,7 @@ static int __init e1000_init_module(void)
 	int ret;
 	printk(KERN_INFO "%s: Intel(R) PRO/1000 Network Driver - %s\n",
 	       e1000e_driver_name, e1000e_driver_version);
-	printk(KERN_INFO "%s: Copyright (c) 1999-2008 Intel Corporation.\n",
+	printk(KERN_INFO "%s: Copyright (c) 1999 - 2009 Intel Corporation.\n",
 	       e1000e_driver_name);
 	ret = pci_register_driver(&e1000_driver);
 	pm_qos_add_requirement(PM_QOS_CPU_DMA_LATENCY, e1000e_driver_name,
diff --git a/drivers/net/e1000e/param.c b/drivers/net/e1000e/param.c
index 1342e0b1815..2e399778cae 100644
--- a/drivers/net/e1000e/param.c
+++ b/drivers/net/e1000e/param.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel PRO/1000 Linux driver
-  Copyright(c) 1999 - 2008 Intel Corporation.
+  Copyright(c) 1999 - 2009 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c
index 765dc389561..440f366b73f 100644
--- a/drivers/net/e1000e/phy.c
+++ b/drivers/net/e1000e/phy.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel PRO/1000 Linux driver
-  Copyright(c) 1999 - 2008 Intel Corporation.
+  Copyright(c) 1999 - 2009 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
-- 
GitLab


From fe4016746d2c0b3b690f5d1921c826d14008b118 Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Fri, 20 Nov 2009 23:26:05 +0000
Subject: [PATCH 1433/1815] e1000e: remove comments regarding a non-existent
 api module

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/82571.c  |  9 +--------
 drivers/net/e1000e/es2lan.c | 30 +++++++-----------------------
 2 files changed, 8 insertions(+), 31 deletions(-)

diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
index a984bc33fd0..7cdf1768afa 100644
--- a/drivers/net/e1000e/82571.c
+++ b/drivers/net/e1000e/82571.c
@@ -72,8 +72,6 @@ static void e1000_put_hw_semaphore_82571(struct e1000_hw *hw);
 /**
  *  e1000_init_phy_params_82571 - Init PHY func ptrs.
  *  @hw: pointer to the HW structure
- *
- *  This is a function pointer entry point called by the api module.
  **/
 static s32 e1000_init_phy_params_82571(struct e1000_hw *hw)
 {
@@ -136,8 +134,6 @@ static s32 e1000_init_phy_params_82571(struct e1000_hw *hw)
 /**
  *  e1000_init_nvm_params_82571 - Init NVM func ptrs.
  *  @hw: pointer to the HW structure
- *
- *  This is a function pointer entry point called by the api module.
  **/
 static s32 e1000_init_nvm_params_82571(struct e1000_hw *hw)
 {
@@ -201,8 +197,6 @@ static s32 e1000_init_nvm_params_82571(struct e1000_hw *hw)
 /**
  *  e1000_init_mac_params_82571 - Init MAC func ptrs.
  *  @hw: pointer to the HW structure
- *
- *  This is a function pointer entry point called by the api module.
  **/
 static s32 e1000_init_mac_params_82571(struct e1000_adapter *adapter)
 {
@@ -830,8 +824,7 @@ static s32 e1000_set_d0_lplu_state_82571(struct e1000_hw *hw, bool active)
  *  e1000_reset_hw_82571 - Reset hardware
  *  @hw: pointer to the HW structure
  *
- *  This resets the hardware into a known state.  This is a
- *  function pointer entry point called by the api module.
+ *  This resets the hardware into a known state.
  **/
 static s32 e1000_reset_hw_82571(struct e1000_hw *hw)
 {
diff --git a/drivers/net/e1000e/es2lan.c b/drivers/net/e1000e/es2lan.c
index 103dc64742c..2d1415610d7 100644
--- a/drivers/net/e1000e/es2lan.c
+++ b/drivers/net/e1000e/es2lan.c
@@ -116,8 +116,6 @@ static s32  e1000_write_kmrn_reg_80003es2lan(struct e1000_hw *hw, u32 offset,
 /**
  *  e1000_init_phy_params_80003es2lan - Init ESB2 PHY func ptrs.
  *  @hw: pointer to the HW structure
- *
- *  This is a function pointer entry point called by the api module.
  **/
 static s32 e1000_init_phy_params_80003es2lan(struct e1000_hw *hw)
 {
@@ -147,8 +145,6 @@ static s32 e1000_init_phy_params_80003es2lan(struct e1000_hw *hw)
 /**
  *  e1000_init_nvm_params_80003es2lan - Init ESB2 NVM func ptrs.
  *  @hw: pointer to the HW structure
- *
- *  This is a function pointer entry point called by the api module.
  **/
 static s32 e1000_init_nvm_params_80003es2lan(struct e1000_hw *hw)
 {
@@ -195,8 +191,6 @@ static s32 e1000_init_nvm_params_80003es2lan(struct e1000_hw *hw)
 /**
  *  e1000_init_mac_params_80003es2lan - Init ESB2 MAC func ptrs.
  *  @hw: pointer to the HW structure
- *
- *  This is a function pointer entry point called by the api module.
  **/
 static s32 e1000_init_mac_params_80003es2lan(struct e1000_adapter *adapter)
 {
@@ -267,8 +261,7 @@ static s32 e1000_get_variants_80003es2lan(struct e1000_adapter *adapter)
  *  e1000_acquire_phy_80003es2lan - Acquire rights to access PHY
  *  @hw: pointer to the HW structure
  *
- *  A wrapper to acquire access rights to the correct PHY.  This is a
- *  function pointer entry point called by the api module.
+ *  A wrapper to acquire access rights to the correct PHY.
  **/
 static s32 e1000_acquire_phy_80003es2lan(struct e1000_hw *hw)
 {
@@ -282,8 +275,7 @@ static s32 e1000_acquire_phy_80003es2lan(struct e1000_hw *hw)
  *  e1000_release_phy_80003es2lan - Release rights to access PHY
  *  @hw: pointer to the HW structure
  *
- *  A wrapper to release access rights to the correct PHY.  This is a
- *  function pointer entry point called by the api module.
+ *  A wrapper to release access rights to the correct PHY.
  **/
 static void e1000_release_phy_80003es2lan(struct e1000_hw *hw)
 {
@@ -328,8 +320,7 @@ static void e1000_release_mac_csr_80003es2lan(struct e1000_hw *hw)
  *  e1000_acquire_nvm_80003es2lan - Acquire rights to access NVM
  *  @hw: pointer to the HW structure
  *
- *  Acquire the semaphore to access the EEPROM.  This is a function
- *  pointer entry point called by the api module.
+ *  Acquire the semaphore to access the EEPROM.
  **/
 static s32 e1000_acquire_nvm_80003es2lan(struct e1000_hw *hw)
 {
@@ -351,8 +342,7 @@ static s32 e1000_acquire_nvm_80003es2lan(struct e1000_hw *hw)
  *  e1000_release_nvm_80003es2lan - Relinquish rights to access NVM
  *  @hw: pointer to the HW structure
  *
- *  Release the semaphore used to access the EEPROM.  This is a
- *  function pointer entry point called by the api module.
+ *  Release the semaphore used to access the EEPROM.
  **/
 static void e1000_release_nvm_80003es2lan(struct e1000_hw *hw)
 {
@@ -434,8 +424,7 @@ static void e1000_release_swfw_sync_80003es2lan(struct e1000_hw *hw, u16 mask)
  *  @offset: offset of the register to read
  *  @data: pointer to the data returned from the operation
  *
- *  Read the GG82563 PHY register.  This is a function pointer entry
- *  point called by the api module.
+ *  Read the GG82563 PHY register.
  **/
 static s32 e1000_read_phy_reg_gg82563_80003es2lan(struct e1000_hw *hw,
 						  u32 offset, u16 *data)
@@ -499,8 +488,7 @@ static s32 e1000_read_phy_reg_gg82563_80003es2lan(struct e1000_hw *hw,
  *  @offset: offset of the register to read
  *  @data: value to write to the register
  *
- *  Write to the GG82563 PHY register.  This is a function pointer entry
- *  point called by the api module.
+ *  Write to the GG82563 PHY register.
  **/
 static s32 e1000_write_phy_reg_gg82563_80003es2lan(struct e1000_hw *hw,
 						   u32 offset, u16 data)
@@ -565,8 +553,7 @@ static s32 e1000_write_phy_reg_gg82563_80003es2lan(struct e1000_hw *hw,
  *  @words: number of words to write
  *  @data: buffer of data to write to the NVM
  *
- *  Write "words" of data to the ESB2 NVM.  This is a function
- *  pointer entry point called by the api module.
+ *  Write "words" of data to the ESB2 NVM.
  **/
 static s32 e1000_write_nvm_80003es2lan(struct e1000_hw *hw, u16 offset,
 				       u16 words, u16 *data)
@@ -730,7 +717,6 @@ static s32 e1000_get_cable_length_80003es2lan(struct e1000_hw *hw)
  *  @duplex: pointer to duplex buffer
  *
  *  Retrieve the current speed and duplex configuration.
- *  This is a function pointer entry point called by the api module.
  **/
 static s32 e1000_get_link_up_info_80003es2lan(struct e1000_hw *hw, u16 *speed,
 					      u16 *duplex)
@@ -756,7 +742,6 @@ static s32 e1000_get_link_up_info_80003es2lan(struct e1000_hw *hw, u16 *speed,
  *  @hw: pointer to the HW structure
  *
  *  Perform a global reset to the ESB2 controller.
- *  This is a function pointer entry point called by the api module.
  **/
 static s32 e1000_reset_hw_80003es2lan(struct e1000_hw *hw)
 {
@@ -805,7 +790,6 @@ static s32 e1000_reset_hw_80003es2lan(struct e1000_hw *hw)
  *  @hw: pointer to the HW structure
  *
  *  Initialize the hw bits, LED, VFTA, MTA, link and hw counters.
- *  This is a function pointer entry point called by the api module.
  **/
 static s32 e1000_init_hw_80003es2lan(struct e1000_hw *hw)
 {
-- 
GitLab


From 84efb7b968ab91d0099620865b3f563eb0ddf5a6 Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Fri, 20 Nov 2009 23:26:24 +0000
Subject: [PATCH 1434/1815] e1000e: provide comment for 82571 workaround

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/82571.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
index 7cdf1768afa..0e8aa3441b9 100644
--- a/drivers/net/e1000e/82571.c
+++ b/drivers/net/e1000e/82571.c
@@ -1114,6 +1114,13 @@ static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw)
 		reg |= (1 << 22);
 		ew32(GCR, reg);
 
+		/*
+		 * Workaround for hardware errata.
+		 * apply workaround for hardware errata documented in errata
+		 * docs Fixes issue where some error prone or unreliable PCIe
+		 * completions are occurring, particularly with ASPM enabled.
+		 * Without fix, issue can cause tx timeouts.
+		 */
 		reg = er32(GCR2);
 		reg |= 1;
 		ew32(GCR2, reg);
-- 
GitLab


From 564ea9bba1a1380d5474504bcd943ee84075534f Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Fri, 20 Nov 2009 23:26:44 +0000
Subject: [PATCH 1435/1815] e1000e: set bools to true/false instead of 1/0

Set booleans to 'true' or 'false' to make it clear it is a boolean.  Also
change instances of TRUE/FALSE in comments to lowercase true/false.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/82571.c   |  7 ++++---
 drivers/net/e1000e/es2lan.c  |  3 ++-
 drivers/net/e1000e/ich8lan.c | 18 +++++++++---------
 drivers/net/e1000e/lib.c     | 24 ++++++++++++------------
 drivers/net/e1000e/phy.c     |  6 +++---
 5 files changed, 30 insertions(+), 28 deletions(-)

diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
index 0e8aa3441b9..468dd7d4fca 100644
--- a/drivers/net/e1000e/82571.c
+++ b/drivers/net/e1000e/82571.c
@@ -230,7 +230,8 @@ static s32 e1000_init_mac_params_82571(struct e1000_adapter *adapter)
 	/* Set rar entry count */
 	mac->rar_entry_count = E1000_RAR_ENTRIES;
 	/* Set if manageability features are enabled. */
-	mac->arc_subsystem_valid = (er32(FWSM) & E1000_FWSM_MODE_MASK) ? 1 : 0;
+	mac->arc_subsystem_valid = (er32(FWSM) & E1000_FWSM_MODE_MASK)
+	                ? true : false;
 
 	/* check for link */
 	switch (hw->phy.media_type) {
@@ -753,7 +754,7 @@ static s32 e1000_get_cfg_done_82571(struct e1000_hw *hw)
 /**
  *  e1000_set_d0_lplu_state_82571 - Set Low Power Linkup D0 state
  *  @hw: pointer to the HW structure
- *  @active: TRUE to enable LPLU, FALSE to disable
+ *  @active: true to enable LPLU, false to disable
  *
  *  Sets the LPLU D0 state according to the active flag.  When activating LPLU
  *  this function also disables smart speed and vice versa.  LPLU will not be
@@ -1521,7 +1522,7 @@ static s32 e1000_valid_led_default_82571(struct e1000_hw *hw, u16 *data)
 bool e1000e_get_laa_state_82571(struct e1000_hw *hw)
 {
 	if (hw->mac.type != e1000_82571)
-		return 0;
+		return false;
 
 	return hw->dev_spec.e82571.laa_is_present;
 }
diff --git a/drivers/net/e1000e/es2lan.c b/drivers/net/e1000e/es2lan.c
index 2d1415610d7..795d433e656 100644
--- a/drivers/net/e1000e/es2lan.c
+++ b/drivers/net/e1000e/es2lan.c
@@ -213,7 +213,8 @@ static s32 e1000_init_mac_params_80003es2lan(struct e1000_adapter *adapter)
 	/* Set rar entry count */
 	mac->rar_entry_count = E1000_RAR_ENTRIES;
 	/* Set if manageability features are enabled. */
-	mac->arc_subsystem_valid = (er32(FWSM) & E1000_FWSM_MODE_MASK) ? 1 : 0;
+	mac->arc_subsystem_valid = (er32(FWSM) & E1000_FWSM_MODE_MASK)
+                        ? true : false;
 
 	/* check for link */
 	switch (hw->phy.media_type) {
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index 191a4e39d28..f8ee0f29d23 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -401,7 +401,7 @@ static s32 e1000_init_nvm_params_ich8lan(struct e1000_hw *hw)
 
 	/* Clear shadow ram */
 	for (i = 0; i < nvm->word_size; i++) {
-		dev_spec->shadow_ram[i].modified = 0;
+		dev_spec->shadow_ram[i].modified = false;
 		dev_spec->shadow_ram[i].value    = 0xFFFF;
 	}
 
@@ -430,7 +430,7 @@ static s32 e1000_init_mac_params_ich8lan(struct e1000_adapter *adapter)
 	if (mac->type == e1000_ich8lan)
 		mac->rar_entry_count--;
 	/* Set if manageability features are enabled. */
-	mac->arc_subsystem_valid = 1;
+	mac->arc_subsystem_valid = true;
 
 	/* LED operations */
 	switch (mac->type) {
@@ -464,7 +464,7 @@ static s32 e1000_init_mac_params_ich8lan(struct e1000_adapter *adapter)
 
 	/* Enable PCS Lock-loss workaround for ICH8 */
 	if (mac->type == e1000_ich8lan)
-		e1000e_set_kmrn_lock_loss_workaround_ich8lan(hw, 1);
+		e1000e_set_kmrn_lock_loss_workaround_ich8lan(hw, true);
 
 	return 0;
 }
@@ -1403,7 +1403,7 @@ out:
 /**
  *  e1000_set_d0_lplu_state_ich8lan - Set Low Power Linkup D0 state
  *  @hw: pointer to the HW structure
- *  @active: TRUE to enable LPLU, FALSE to disable
+ *  @active: true to enable LPLU, false to disable
  *
  *  Sets the LPLU D0 state according to the active flag.  When
  *  activating LPLU this function also disables smart speed
@@ -1489,7 +1489,7 @@ static s32 e1000_set_d0_lplu_state_ich8lan(struct e1000_hw *hw, bool active)
 /**
  *  e1000_set_d3_lplu_state_ich8lan - Set Low Power Linkup D3 state
  *  @hw: pointer to the HW structure
- *  @active: TRUE to enable LPLU, FALSE to disable
+ *  @active: true to enable LPLU, false to disable
  *
  *  Sets the LPLU D3 state according to the active flag.  When
  *  activating LPLU this function also disables smart speed
@@ -1952,7 +1952,7 @@ static s32 e1000_write_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words,
 	nvm->ops.acquire(hw);
 
 	for (i = 0; i < words; i++) {
-		dev_spec->shadow_ram[offset+i].modified = 1;
+		dev_spec->shadow_ram[offset+i].modified = true;
 		dev_spec->shadow_ram[offset+i].value = data[i];
 	}
 
@@ -2111,7 +2111,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
 
 	/* Great!  Everything worked, we can now clear the cached entries. */
 	for (i = 0; i < E1000_ICH8_SHADOW_RAM_WORDS; i++) {
-		dev_spec->shadow_ram[i].modified = 0;
+		dev_spec->shadow_ram[i].modified = false;
 		dev_spec->shadow_ram[i].value = 0xFFFF;
 	}
 
@@ -3083,8 +3083,8 @@ static s32 e1000_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw)
  *  @hw: pointer to the HW structure
  *  @state: boolean value used to set the current Kumeran workaround state
  *
- *  If ICH8, set the current Kumeran workaround state (enabled - TRUE
- *  /disabled - FALSE).
+ *  If ICH8, set the current Kumeran workaround state (enabled - true
+ *  /disabled - false).
  **/
 void e1000e_set_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw,
 						 bool state)
diff --git a/drivers/net/e1000e/lib.c b/drivers/net/e1000e/lib.c
index 0c6ad0e6717..d173bf88cc9 100644
--- a/drivers/net/e1000e/lib.c
+++ b/drivers/net/e1000e/lib.c
@@ -371,7 +371,7 @@ s32 e1000e_check_for_copper_link(struct e1000_hw *hw)
 	if (!link)
 		return ret_val; /* No link detected */
 
-	mac->get_link_status = 0;
+	mac->get_link_status = false;
 
 	/*
 	 * Check if there was DownShift, must be checked
@@ -1603,7 +1603,7 @@ void e1000e_reset_adaptive(struct e1000_hw *hw)
 	mac->ifs_step_size = IFS_STEP;
 	mac->ifs_ratio = IFS_RATIO;
 
-	mac->in_ifs_mode = 0;
+	mac->in_ifs_mode = false;
 	ew32(AIT, 0);
 }
 
@@ -1620,7 +1620,7 @@ void e1000e_update_adaptive(struct e1000_hw *hw)
 
 	if ((mac->collision_delta * mac->ifs_ratio) > mac->tx_packet_delta) {
 		if (mac->tx_packet_delta > MIN_NUM_XMITS) {
-			mac->in_ifs_mode = 1;
+			mac->in_ifs_mode = true;
 			if (mac->current_ifs_val < mac->ifs_max_val) {
 				if (!mac->current_ifs_val)
 					mac->current_ifs_val = mac->ifs_min_val;
@@ -1634,7 +1634,7 @@ void e1000e_update_adaptive(struct e1000_hw *hw)
 		if (mac->in_ifs_mode &&
 		    (mac->tx_packet_delta <= MIN_NUM_XMITS)) {
 			mac->current_ifs_val = 0;
-			mac->in_ifs_mode = 0;
+			mac->in_ifs_mode = false;
 			ew32(AIT, 0);
 		}
 	}
@@ -2277,7 +2277,7 @@ bool e1000e_enable_tx_pkt_filtering(struct e1000_hw *hw)
 
 	/* No manageability, no filtering */
 	if (!e1000e_check_mng_mode(hw)) {
-		hw->mac.tx_pkt_filtering = 0;
+		hw->mac.tx_pkt_filtering = false;
 		return 0;
 	}
 
@@ -2287,7 +2287,7 @@ bool e1000e_enable_tx_pkt_filtering(struct e1000_hw *hw)
 	 */
 	ret_val = e1000_mng_enable_host_if(hw);
 	if (ret_val != 0) {
-		hw->mac.tx_pkt_filtering = 0;
+		hw->mac.tx_pkt_filtering = false;
 		return ret_val;
 	}
 
@@ -2306,17 +2306,17 @@ bool e1000e_enable_tx_pkt_filtering(struct e1000_hw *hw)
 	 * take the safe route of assuming Tx filtering is enabled.
 	 */
 	if ((hdr_csum != csum) || (hdr->signature != E1000_IAMT_SIGNATURE)) {
-		hw->mac.tx_pkt_filtering = 1;
+		hw->mac.tx_pkt_filtering = true;
 		return 1;
 	}
 
 	/* Cookie area is valid, make the final check for filtering. */
 	if (!(hdr->status & E1000_MNG_DHCP_COOKIE_STATUS_PARSING)) {
-		hw->mac.tx_pkt_filtering = 0;
+		hw->mac.tx_pkt_filtering = false;
 		return 0;
 	}
 
-	hw->mac.tx_pkt_filtering = 1;
+	hw->mac.tx_pkt_filtering = true;
 	return 1;
 }
 
@@ -2473,7 +2473,7 @@ bool e1000e_enable_mng_pass_thru(struct e1000_hw *hw)
 {
 	u32 manc;
 	u32 fwsm, factps;
-	bool ret_val = 0;
+	bool ret_val = false;
 
 	manc = er32(MANC);
 
@@ -2488,13 +2488,13 @@ bool e1000e_enable_mng_pass_thru(struct e1000_hw *hw)
 		if (!(factps & E1000_FACTPS_MNGCG) &&
 		    ((fwsm & E1000_FWSM_MODE_MASK) ==
 		     (e1000_mng_mode_pt << E1000_FWSM_MODE_SHIFT))) {
-			ret_val = 1;
+			ret_val = true;
 			return ret_val;
 		}
 	} else {
 		if ((manc & E1000_MANC_SMBUS_EN) &&
 		    !(manc & E1000_MANC_ASF_EN)) {
-			ret_val = 1;
+			ret_val = true;
 			return ret_val;
 		}
 	}
diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c
index 440f366b73f..99d53fae430 100644
--- a/drivers/net/e1000e/phy.c
+++ b/drivers/net/e1000e/phy.c
@@ -834,7 +834,7 @@ s32 e1000e_copper_link_setup_igp(struct e1000_hw *hw)
 	msleep(100);
 
 	/* disable lplu d0 during driver init */
-	ret_val = e1000_set_d0_lplu_state(hw, 0);
+	ret_val = e1000_set_d0_lplu_state(hw, false);
 	if (ret_val) {
 		e_dbg("Error Disabling LPLU D0\n");
 		return ret_val;
@@ -1545,7 +1545,7 @@ s32 e1000e_check_downshift(struct e1000_hw *hw)
 		break;
 	default:
 		/* speed downshift not supported */
-		phy->speed_downgraded = 0;
+		phy->speed_downgraded = false;
 		return 0;
 	}
 
@@ -1907,7 +1907,7 @@ s32 e1000e_get_phy_info_igp(struct e1000_hw *hw)
 		return -E1000_ERR_CONFIG;
 	}
 
-	phy->polarity_correction = 1;
+	phy->polarity_correction = true;
 
 	ret_val = e1000_check_polarity_igp(hw);
 	if (ret_val)
-- 
GitLab


From 3d5e33c9783d3e911e9aef0339663e887044f0df Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Fri, 20 Nov 2009 23:27:03 +0000
Subject: [PATCH 1436/1815] e1000e: cleanup - shift indentation left by exiting
 early in e1000_tso

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/netdev.c | 104 +++++++++++++++++-------------------
 1 file changed, 50 insertions(+), 54 deletions(-)

diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index a5716760c0e..25b0ef8dc86 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -3725,68 +3725,64 @@ static int e1000_tso(struct e1000_adapter *adapter,
 	u8 ipcss, ipcso, tucss, tucso, hdr_len;
 	int err;
 
-	if (skb_is_gso(skb)) {
-		if (skb_header_cloned(skb)) {
-			err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
-			if (err)
-				return err;
-		}
+	if (!skb_is_gso(skb))
+		return 0;
 
-		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
-		mss = skb_shinfo(skb)->gso_size;
-		if (skb->protocol == htons(ETH_P_IP)) {
-			struct iphdr *iph = ip_hdr(skb);
-			iph->tot_len = 0;
-			iph->check = 0;
-			tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
-								 iph->daddr, 0,
-								 IPPROTO_TCP,
-								 0);
-			cmd_length = E1000_TXD_CMD_IP;
-			ipcse = skb_transport_offset(skb) - 1;
-		} else if (skb_shinfo(skb)->gso_type == SKB_GSO_TCPV6) {
-			ipv6_hdr(skb)->payload_len = 0;
-			tcp_hdr(skb)->check =
-				~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
-						 &ipv6_hdr(skb)->daddr,
-						 0, IPPROTO_TCP, 0);
-			ipcse = 0;
-		}
-		ipcss = skb_network_offset(skb);
-		ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
-		tucss = skb_transport_offset(skb);
-		tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
-		tucse = 0;
+	if (skb_header_cloned(skb)) {
+		err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
+		if (err)
+			return err;
+	}
 
-		cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
-			       E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
+	hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
+	mss = skb_shinfo(skb)->gso_size;
+	if (skb->protocol == htons(ETH_P_IP)) {
+		struct iphdr *iph = ip_hdr(skb);
+		iph->tot_len = 0;
+		iph->check = 0;
+		tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr,
+		                                         0, IPPROTO_TCP, 0);
+		cmd_length = E1000_TXD_CMD_IP;
+		ipcse = skb_transport_offset(skb) - 1;
+	} else if (skb_shinfo(skb)->gso_type == SKB_GSO_TCPV6) {
+		ipv6_hdr(skb)->payload_len = 0;
+		tcp_hdr(skb)->check = ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
+		                                       &ipv6_hdr(skb)->daddr,
+		                                       0, IPPROTO_TCP, 0);
+		ipcse = 0;
+	}
+	ipcss = skb_network_offset(skb);
+	ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
+	tucss = skb_transport_offset(skb);
+	tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
+	tucse = 0;
 
-		i = tx_ring->next_to_use;
-		context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
-		buffer_info = &tx_ring->buffer_info[i];
+	cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
+	               E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
 
-		context_desc->lower_setup.ip_fields.ipcss  = ipcss;
-		context_desc->lower_setup.ip_fields.ipcso  = ipcso;
-		context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
-		context_desc->upper_setup.tcp_fields.tucss = tucss;
-		context_desc->upper_setup.tcp_fields.tucso = tucso;
-		context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
-		context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
-		context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
-		context_desc->cmd_and_length = cpu_to_le32(cmd_length);
+	i = tx_ring->next_to_use;
+	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
+	buffer_info = &tx_ring->buffer_info[i];
 
-		buffer_info->time_stamp = jiffies;
-		buffer_info->next_to_watch = i;
+	context_desc->lower_setup.ip_fields.ipcss  = ipcss;
+	context_desc->lower_setup.ip_fields.ipcso  = ipcso;
+	context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
+	context_desc->upper_setup.tcp_fields.tucss = tucss;
+	context_desc->upper_setup.tcp_fields.tucso = tucso;
+	context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
+	context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
+	context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
+	context_desc->cmd_and_length = cpu_to_le32(cmd_length);
 
-		i++;
-		if (i == tx_ring->count)
-			i = 0;
-		tx_ring->next_to_use = i;
+	buffer_info->time_stamp = jiffies;
+	buffer_info->next_to_watch = i;
 
-		return 1;
-	}
+	i++;
+	if (i == tx_ring->count)
+		i = 0;
+	tx_ring->next_to_use = i;
 
-	return 0;
+	return 1;
 }
 
 static bool e1000_tx_csum(struct e1000_adapter *adapter, struct sk_buff *skb)
-- 
GitLab


From 99673d9b5d48c81f2e9fe094c0d9e42815c60b3f Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Fri, 20 Nov 2009 23:27:21 +0000
Subject: [PATCH 1437/1815] e1000e: cleanup functions that clear hardware
 statistics

The e1000_clear_hw_cntrs_*() functions read the registers to clear them.
There is no reason to save the register contents so the temp variable can
be removed.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/82571.c   | 70 ++++++++++++++++-----------------
 drivers/net/e1000e/es2lan.c  | 70 ++++++++++++++++-----------------
 drivers/net/e1000e/ich8lan.c | 23 ++++++-----
 drivers/net/e1000e/lib.c     | 76 ++++++++++++++++++------------------
 4 files changed, 116 insertions(+), 123 deletions(-)

diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
index 468dd7d4fca..c5dc1b3be23 100644
--- a/drivers/net/e1000e/82571.c
+++ b/drivers/net/e1000e/82571.c
@@ -1613,44 +1613,42 @@ static s32 e1000_fix_nvm_checksum_82571(struct e1000_hw *hw)
  **/
 static void e1000_clear_hw_cntrs_82571(struct e1000_hw *hw)
 {
-	u32 temp;
-
 	e1000e_clear_hw_cntrs_base(hw);
 
-	temp = er32(PRC64);
-	temp = er32(PRC127);
-	temp = er32(PRC255);
-	temp = er32(PRC511);
-	temp = er32(PRC1023);
-	temp = er32(PRC1522);
-	temp = er32(PTC64);
-	temp = er32(PTC127);
-	temp = er32(PTC255);
-	temp = er32(PTC511);
-	temp = er32(PTC1023);
-	temp = er32(PTC1522);
-
-	temp = er32(ALGNERRC);
-	temp = er32(RXERRC);
-	temp = er32(TNCRS);
-	temp = er32(CEXTERR);
-	temp = er32(TSCTC);
-	temp = er32(TSCTFC);
-
-	temp = er32(MGTPRC);
-	temp = er32(MGTPDC);
-	temp = er32(MGTPTC);
-
-	temp = er32(IAC);
-	temp = er32(ICRXOC);
-
-	temp = er32(ICRXPTC);
-	temp = er32(ICRXATC);
-	temp = er32(ICTXPTC);
-	temp = er32(ICTXATC);
-	temp = er32(ICTXQEC);
-	temp = er32(ICTXQMTC);
-	temp = er32(ICRXDMTC);
+	er32(PRC64);
+	er32(PRC127);
+	er32(PRC255);
+	er32(PRC511);
+	er32(PRC1023);
+	er32(PRC1522);
+	er32(PTC64);
+	er32(PTC127);
+	er32(PTC255);
+	er32(PTC511);
+	er32(PTC1023);
+	er32(PTC1522);
+
+	er32(ALGNERRC);
+	er32(RXERRC);
+	er32(TNCRS);
+	er32(CEXTERR);
+	er32(TSCTC);
+	er32(TSCTFC);
+
+	er32(MGTPRC);
+	er32(MGTPDC);
+	er32(MGTPTC);
+
+	er32(IAC);
+	er32(ICRXOC);
+
+	er32(ICRXPTC);
+	er32(ICRXATC);
+	er32(ICTXPTC);
+	er32(ICTXATC);
+	er32(ICTXQEC);
+	er32(ICTXQMTC);
+	er32(ICRXDMTC);
 }
 
 static struct e1000_mac_operations e82571_mac_ops = {
diff --git a/drivers/net/e1000e/es2lan.c b/drivers/net/e1000e/es2lan.c
index 795d433e656..8a089569c6e 100644
--- a/drivers/net/e1000e/es2lan.c
+++ b/drivers/net/e1000e/es2lan.c
@@ -1304,44 +1304,42 @@ static s32 e1000_write_kmrn_reg_80003es2lan(struct e1000_hw *hw, u32 offset,
  **/
 static void e1000_clear_hw_cntrs_80003es2lan(struct e1000_hw *hw)
 {
-	u32 temp;
-
 	e1000e_clear_hw_cntrs_base(hw);
 
-	temp = er32(PRC64);
-	temp = er32(PRC127);
-	temp = er32(PRC255);
-	temp = er32(PRC511);
-	temp = er32(PRC1023);
-	temp = er32(PRC1522);
-	temp = er32(PTC64);
-	temp = er32(PTC127);
-	temp = er32(PTC255);
-	temp = er32(PTC511);
-	temp = er32(PTC1023);
-	temp = er32(PTC1522);
-
-	temp = er32(ALGNERRC);
-	temp = er32(RXERRC);
-	temp = er32(TNCRS);
-	temp = er32(CEXTERR);
-	temp = er32(TSCTC);
-	temp = er32(TSCTFC);
-
-	temp = er32(MGTPRC);
-	temp = er32(MGTPDC);
-	temp = er32(MGTPTC);
-
-	temp = er32(IAC);
-	temp = er32(ICRXOC);
-
-	temp = er32(ICRXPTC);
-	temp = er32(ICRXATC);
-	temp = er32(ICTXPTC);
-	temp = er32(ICTXATC);
-	temp = er32(ICTXQEC);
-	temp = er32(ICTXQMTC);
-	temp = er32(ICRXDMTC);
+	er32(PRC64);
+	er32(PRC127);
+	er32(PRC255);
+	er32(PRC511);
+	er32(PRC1023);
+	er32(PRC1522);
+	er32(PTC64);
+	er32(PTC127);
+	er32(PTC255);
+	er32(PTC511);
+	er32(PTC1023);
+	er32(PTC1522);
+
+	er32(ALGNERRC);
+	er32(RXERRC);
+	er32(TNCRS);
+	er32(CEXTERR);
+	er32(TSCTC);
+	er32(TSCTFC);
+
+	er32(MGTPRC);
+	er32(MGTPDC);
+	er32(MGTPTC);
+
+	er32(IAC);
+	er32(ICRXOC);
+
+	er32(ICRXPTC);
+	er32(ICRXATC);
+	er32(ICTXPTC);
+	er32(ICTXATC);
+	er32(ICTXQEC);
+	er32(ICTXQMTC);
+	er32(ICRXDMTC);
 }
 
 static struct e1000_mac_operations es2_mac_ops = {
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index f8ee0f29d23..2c1d08e0443 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -3402,24 +3402,23 @@ static s32 e1000_get_cfg_done_ich8lan(struct e1000_hw *hw)
  **/
 static void e1000_clear_hw_cntrs_ich8lan(struct e1000_hw *hw)
 {
-	u32 temp;
 	u16 phy_data;
 
 	e1000e_clear_hw_cntrs_base(hw);
 
-	temp = er32(ALGNERRC);
-	temp = er32(RXERRC);
-	temp = er32(TNCRS);
-	temp = er32(CEXTERR);
-	temp = er32(TSCTC);
-	temp = er32(TSCTFC);
+	er32(ALGNERRC);
+	er32(RXERRC);
+	er32(TNCRS);
+	er32(CEXTERR);
+	er32(TSCTC);
+	er32(TSCTFC);
 
-	temp = er32(MGTPRC);
-	temp = er32(MGTPDC);
-	temp = er32(MGTPTC);
+	er32(MGTPRC);
+	er32(MGTPDC);
+	er32(MGTPTC);
 
-	temp = er32(IAC);
-	temp = er32(ICRXOC);
+	er32(IAC);
+	er32(ICRXOC);
 
 	/* Clear PHY statistics registers */
 	if ((hw->phy.type == e1000_phy_82578) ||
diff --git a/drivers/net/e1000e/lib.c b/drivers/net/e1000e/lib.c
index d173bf88cc9..f690a1055b4 100644
--- a/drivers/net/e1000e/lib.c
+++ b/drivers/net/e1000e/lib.c
@@ -295,45 +295,43 @@ void e1000e_update_mc_addr_list_generic(struct e1000_hw *hw,
  **/
 void e1000e_clear_hw_cntrs_base(struct e1000_hw *hw)
 {
-	u32 temp;
-
-	temp = er32(CRCERRS);
-	temp = er32(SYMERRS);
-	temp = er32(MPC);
-	temp = er32(SCC);
-	temp = er32(ECOL);
-	temp = er32(MCC);
-	temp = er32(LATECOL);
-	temp = er32(COLC);
-	temp = er32(DC);
-	temp = er32(SEC);
-	temp = er32(RLEC);
-	temp = er32(XONRXC);
-	temp = er32(XONTXC);
-	temp = er32(XOFFRXC);
-	temp = er32(XOFFTXC);
-	temp = er32(FCRUC);
-	temp = er32(GPRC);
-	temp = er32(BPRC);
-	temp = er32(MPRC);
-	temp = er32(GPTC);
-	temp = er32(GORCL);
-	temp = er32(GORCH);
-	temp = er32(GOTCL);
-	temp = er32(GOTCH);
-	temp = er32(RNBC);
-	temp = er32(RUC);
-	temp = er32(RFC);
-	temp = er32(ROC);
-	temp = er32(RJC);
-	temp = er32(TORL);
-	temp = er32(TORH);
-	temp = er32(TOTL);
-	temp = er32(TOTH);
-	temp = er32(TPR);
-	temp = er32(TPT);
-	temp = er32(MPTC);
-	temp = er32(BPTC);
+	er32(CRCERRS);
+	er32(SYMERRS);
+	er32(MPC);
+	er32(SCC);
+	er32(ECOL);
+	er32(MCC);
+	er32(LATECOL);
+	er32(COLC);
+	er32(DC);
+	er32(SEC);
+	er32(RLEC);
+	er32(XONRXC);
+	er32(XONTXC);
+	er32(XOFFRXC);
+	er32(XOFFTXC);
+	er32(FCRUC);
+	er32(GPRC);
+	er32(BPRC);
+	er32(MPRC);
+	er32(GPTC);
+	er32(GORCL);
+	er32(GORCH);
+	er32(GOTCL);
+	er32(GOTCH);
+	er32(RNBC);
+	er32(RUC);
+	er32(RFC);
+	er32(ROC);
+	er32(RJC);
+	er32(TORL);
+	er32(TORH);
+	er32(TOTL);
+	er32(TOTH);
+	er32(TPR);
+	er32(TPT);
+	er32(MPTC);
+	er32(BPTC);
 }
 
 /**
-- 
GitLab


From 53ec5498d107a61b84944351d32324ce52788b74 Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Fri, 20 Nov 2009 23:27:40 +0000
Subject: [PATCH 1438/1815] e1000e: set pm_qos DMA latency requirement per
 interface when needed

It was pointed out a pm_qos DMA latency requirement set when the driver is
loaded when parts that support early receive of jumbo frames are probed
could have that requirement overidden if another part supported by the
driver (one that does not support early receive of jumbo frames) is probed
later.  Change the DMA latency requirement to be per-interface if needed
instead of per driver.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/netdev.c | 47 ++++++++++++++++++++++---------------
 1 file changed, 28 insertions(+), 19 deletions(-)

diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 25b0ef8dc86..39f01d998b4 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -2472,21 +2472,23 @@ static void e1000_configure_rx(struct e1000_adapter *adapter)
 	 * packet size is equal or larger than the specified value (in 8 byte
 	 * units), e.g. using jumbo frames when setting to E1000_ERT_2048
 	 */
-	if ((adapter->flags & FLAG_HAS_ERT) &&
-	    (adapter->netdev->mtu > ETH_DATA_LEN)) {
-		u32 rxdctl = er32(RXDCTL(0));
-		ew32(RXDCTL(0), rxdctl | 0x3);
-		ew32(ERT, E1000_ERT_2048 | (1 << 13));
-		/*
-		 * With jumbo frames and early-receive enabled, excessive
-		 * C4->C2 latencies result in dropped transactions.
-		 */
-		pm_qos_update_requirement(PM_QOS_CPU_DMA_LATENCY,
-					  e1000e_driver_name, 55);
-	} else {
-		pm_qos_update_requirement(PM_QOS_CPU_DMA_LATENCY,
-					  e1000e_driver_name,
-					  PM_QOS_DEFAULT_VALUE);
+	if (adapter->flags & FLAG_HAS_ERT) {
+		if (adapter->netdev->mtu > ETH_DATA_LEN) {
+			u32 rxdctl = er32(RXDCTL(0));
+			ew32(RXDCTL(0), rxdctl | 0x3);
+			ew32(ERT, E1000_ERT_2048 | (1 << 13));
+			/*
+			 * With jumbo frames and early-receive enabled,
+			 * excessive C-state transition latencies result in
+			 * dropped transactions.
+			 */
+			pm_qos_update_requirement(PM_QOS_CPU_DMA_LATENCY,
+						  adapter->netdev->name, 55);
+		} else {
+			pm_qos_update_requirement(PM_QOS_CPU_DMA_LATENCY,
+						  adapter->netdev->name,
+						  PM_QOS_DEFAULT_VALUE);
+		}
 	}
 
 	/* Enable Receives */
@@ -2804,6 +2806,12 @@ int e1000e_up(struct e1000_adapter *adapter)
 {
 	struct e1000_hw *hw = &adapter->hw;
 
+	/* DMA latency requirement to workaround early-receive/jumbo issue */
+	if (adapter->flags & FLAG_HAS_ERT)
+		pm_qos_add_requirement(PM_QOS_CPU_DMA_LATENCY,
+		                       adapter->netdev->name,
+				       PM_QOS_DEFAULT_VALUE);
+
 	/* hardware has been reset, we need to reload some things */
 	e1000_configure(adapter);
 
@@ -2864,6 +2872,10 @@ void e1000e_down(struct e1000_adapter *adapter)
 	e1000_clean_tx_ring(adapter);
 	e1000_clean_rx_ring(adapter);
 
+	if (adapter->flags & FLAG_HAS_ERT)
+		pm_qos_remove_requirement(PM_QOS_CPU_DMA_LATENCY,
+		                          adapter->netdev->name);
+
 	/*
 	 * TODO: for power management, we could drop the link and
 	 * pci_disable_device here.
@@ -5363,9 +5375,7 @@ static int __init e1000_init_module(void)
 	printk(KERN_INFO "%s: Copyright (c) 1999 - 2009 Intel Corporation.\n",
 	       e1000e_driver_name);
 	ret = pci_register_driver(&e1000_driver);
-	pm_qos_add_requirement(PM_QOS_CPU_DMA_LATENCY, e1000e_driver_name,
-			       PM_QOS_DEFAULT_VALUE);
-				
+
 	return ret;
 }
 module_init(e1000_init_module);
@@ -5379,7 +5389,6 @@ module_init(e1000_init_module);
 static void __exit e1000_exit_module(void)
 {
 	pci_unregister_driver(&e1000_driver);
-	pm_qos_remove_requirement(PM_QOS_CPU_DMA_LATENCY, e1000e_driver_name);
 }
 module_exit(e1000_exit_module);
 
-- 
GitLab


From de39b7523348640f4c0e662e430c67594d858a08 Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Fri, 20 Nov 2009 23:27:59 +0000
Subject: [PATCH 1439/1815] e1000e: do not error out on identification LED init
 failure

A failure to initialize the identification LED is not a fatal condition and
should allow the init path to continue.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/82571.c   | 5 ++---
 drivers/net/e1000e/es2lan.c  | 5 ++---
 drivers/net/e1000e/ich8lan.c | 5 ++---
 3 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
index c5dc1b3be23..474f4e419d2 100644
--- a/drivers/net/e1000e/82571.c
+++ b/drivers/net/e1000e/82571.c
@@ -948,10 +948,9 @@ static s32 e1000_init_hw_82571(struct e1000_hw *hw)
 
 	/* Initialize identification LED */
 	ret_val = e1000e_id_led_init(hw);
-	if (ret_val) {
+	if (ret_val)
 		e_dbg("Error initializing identification LED\n");
-		return ret_val;
-	}
+		/* This is not fatal and we should not stop init due to this */
 
 	/* Disabling VLAN filtering */
 	e_dbg("Initializing the IEEE VLAN\n");
diff --git a/drivers/net/e1000e/es2lan.c b/drivers/net/e1000e/es2lan.c
index 8a089569c6e..6ba1228836e 100644
--- a/drivers/net/e1000e/es2lan.c
+++ b/drivers/net/e1000e/es2lan.c
@@ -803,10 +803,9 @@ static s32 e1000_init_hw_80003es2lan(struct e1000_hw *hw)
 
 	/* Initialize identification LED */
 	ret_val = e1000e_id_led_init(hw);
-	if (ret_val) {
+	if (ret_val)
 		e_dbg("Error initializing identification LED\n");
-		return ret_val;
-	}
+		/* This is not fatal and we should not stop init due to this */
 
 	/* Disabling VLAN filtering */
 	e_dbg("Initializing the IEEE VLAN\n");
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index 2c1d08e0443..fe6dc3de9ac 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -2722,10 +2722,9 @@ static s32 e1000_init_hw_ich8lan(struct e1000_hw *hw)
 
 	/* Initialize identification LED */
 	ret_val = mac->ops.id_led_init(hw);
-	if (ret_val) {
+	if (ret_val)
 		e_dbg("Error initializing identification LED\n");
-		return ret_val;
-	}
+		/* This is not fatal and we should not stop init due to this */
 
 	/* Setup the receive address. */
 	e1000e_init_rx_addrs(hw, mac->rar_entry_count);
-- 
GitLab


From 9b724613c91ce60806ffc689f5032ff258644c6c Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Fri, 20 Nov 2009 23:28:17 +0000
Subject: [PATCH 1440/1815] e1000e: remove redundant might_sleep()

Now that mutex_lock() calls might_sleep() the driver doesn't have to here.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/ich8lan.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index fe6dc3de9ac..f991b14a98d 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -630,8 +630,6 @@ static s32 e1000_acquire_swflag_ich8lan(struct e1000_hw *hw)
 	u32 extcnf_ctrl, timeout = PHY_CFG_TIMEOUT;
 	s32 ret_val = 0;
 
-	might_sleep();
-
 	mutex_lock(&swflag_mutex);
 
 	while (timeout) {
-- 
GitLab


From a708dd88a014a8fd78713adbd19bc61046eaac7f Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Fri, 20 Nov 2009 23:28:37 +0000
Subject: [PATCH 1441/1815] e1000e: cosmetic - group local variables of the
 same type

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/82571.c   | 11 +++--------
 drivers/net/e1000e/es2lan.c  |  6 ++----
 drivers/net/e1000e/ich8lan.c |  8 ++++----
 3 files changed, 9 insertions(+), 16 deletions(-)

diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
index 474f4e419d2..62bbc6e0a76 100644
--- a/drivers/net/e1000e/82571.c
+++ b/drivers/net/e1000e/82571.c
@@ -693,8 +693,7 @@ static s32 e1000_write_nvm_eewr_82571(struct e1000_hw *hw, u16 offset,
 				      u16 words, u16 *data)
 {
 	struct e1000_nvm_info *nvm = &hw->nvm;
-	u32 i;
-	u32 eewr = 0;
+	u32 i, eewr = 0;
 	s32 ret_val = 0;
 
 	/*
@@ -829,10 +828,7 @@ static s32 e1000_set_d0_lplu_state_82571(struct e1000_hw *hw, bool active)
  **/
 static s32 e1000_reset_hw_82571(struct e1000_hw *hw)
 {
-	u32 ctrl;
-	u32 extcnf_ctrl;
-	u32 ctrl_ext;
-	u32 icr;
+	u32 ctrl, extcnf_ctrl, ctrl_ext, icr;
 	s32 ret_val;
 	u16 i = 0;
 
@@ -941,8 +937,7 @@ static s32 e1000_init_hw_82571(struct e1000_hw *hw)
 	struct e1000_mac_info *mac = &hw->mac;
 	u32 reg_data;
 	s32 ret_val;
-	u16 i;
-	u16 rar_count = mac->rar_entry_count;
+	u16 i, rar_count = mac->rar_entry_count;
 
 	e1000_initialize_hw_bits_82571(hw);
 
diff --git a/drivers/net/e1000e/es2lan.c b/drivers/net/e1000e/es2lan.c
index 6ba1228836e..e50579859e0 100644
--- a/drivers/net/e1000e/es2lan.c
+++ b/drivers/net/e1000e/es2lan.c
@@ -695,8 +695,7 @@ static s32 e1000_get_cable_length_80003es2lan(struct e1000_hw *hw)
 {
 	struct e1000_phy_info *phy = &hw->phy;
 	s32 ret_val;
-	u16 phy_data;
-	u16 index;
+	u16 phy_data, index;
 
 	ret_val = e1e_rphy(hw, GG82563_PHY_DSP_DISTANCE, &phy_data);
 	if (ret_val)
@@ -746,8 +745,7 @@ static s32 e1000_get_link_up_info_80003es2lan(struct e1000_hw *hw, u16 *speed,
  **/
 static s32 e1000_reset_hw_80003es2lan(struct e1000_hw *hw)
 {
-	u32 ctrl;
-	u32 icr;
+	u32 ctrl, icr;
 	s32 ret_val;
 
 	/*
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index f991b14a98d..568bb259c6f 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -706,7 +706,9 @@ static void e1000_release_swflag_ich8lan(struct e1000_hw *hw)
  **/
 static bool e1000_check_mng_mode_ich8lan(struct e1000_hw *hw)
 {
-	u32 fwsm = er32(FWSM);
+	u32 fwsm;
+
+	fwsm = er32(FWSM);
 
 	return (fwsm & E1000_FWSM_MODE_MASK) ==
 		(E1000_ICH_MNG_IAMT_MODE << E1000_FWSM_MODE_SHIFT);
@@ -2349,9 +2351,7 @@ static s32 e1000_erase_flash_bank_ich8lan(struct e1000_hw *hw, u32 bank)
 	u32 flash_bank_size = nvm->flash_bank_size * 2;
 	s32 ret_val;
 	s32 count = 0;
-	s32 iteration;
-	s32 sector_size;
-	s32 j;
+	s32 j, iteration, sector_size;
 
 	hsfsts.regval = er16flash(ICH_FLASH_HSFSTS);
 
-- 
GitLab


From 41cec6f1160c110bd69597c2a5611b46e8287801 Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Fri, 20 Nov 2009 23:28:56 +0000
Subject: [PATCH 1442/1815] e1000e: update Tx Unit hang detection message

The Tx unit hang detection code in e1000e detects other hangs caused by
hardware components (e.g. Rx, DMA units), but it is not possible to detect
exactly which component is hung so it has always assumed a Tx unit hang.
When dumping a message to the system log because of a hang, this patch adds
more data to help narrow the cause of the issue and makes the message
non-Tx-specific.  Because this new code reads PHY registers which can
sleep, move it off to a workqueue.  This and all previously existing work
tasks in the driver are now cancelled when the driver is removed.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/e1000.h  |  1 +
 drivers/net/e1000e/netdev.c | 46 ++++++++++++++++++++++++++++++-------
 2 files changed, 39 insertions(+), 8 deletions(-)

diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h
index 5ac8675b0c5..c9fcef7f846 100644
--- a/drivers/net/e1000e/e1000.h
+++ b/drivers/net/e1000e/e1000.h
@@ -364,6 +364,7 @@ struct e1000_adapter {
 	struct work_struct downshift_task;
 	struct work_struct update_phy_task;
 	struct work_struct led_blink_task;
+	struct work_struct print_hang_task;
 };
 
 struct e1000_info {
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 39f01d998b4..11a527484e1 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -544,15 +544,27 @@ static void e1000_put_txbuf(struct e1000_adapter *adapter,
 	buffer_info->time_stamp = 0;
 }
 
-static void e1000_print_tx_hang(struct e1000_adapter *adapter)
+static void e1000_print_hw_hang(struct work_struct *work)
 {
+	struct e1000_adapter *adapter = container_of(work,
+	                                             struct e1000_adapter,
+	                                             print_hang_task);
 	struct e1000_ring *tx_ring = adapter->tx_ring;
 	unsigned int i = tx_ring->next_to_clean;
 	unsigned int eop = tx_ring->buffer_info[i].next_to_watch;
 	struct e1000_tx_desc *eop_desc = E1000_TX_DESC(*tx_ring, eop);
+	struct e1000_hw *hw = &adapter->hw;
+	u16 phy_status, phy_1000t_status, phy_ext_status;
+	u16 pci_status;
+
+	e1e_rphy(hw, PHY_STATUS, &phy_status);
+	e1e_rphy(hw, PHY_1000T_STATUS, &phy_1000t_status);
+	e1e_rphy(hw, PHY_EXT_STATUS, &phy_ext_status);
 
-	/* detected Tx unit hang */
-	e_err("Detected Tx Unit Hang:\n"
+	pci_read_config_word(adapter->pdev, PCI_STATUS, &pci_status);
+
+	/* detected Hardware unit hang */
+	e_err("Detected Hardware Unit Hang:\n"
 	      "  TDH                  <%x>\n"
 	      "  TDT                  <%x>\n"
 	      "  next_to_use          <%x>\n"
@@ -561,7 +573,12 @@ static void e1000_print_tx_hang(struct e1000_adapter *adapter)
 	      "  time_stamp           <%lx>\n"
 	      "  next_to_watch        <%x>\n"
 	      "  jiffies              <%lx>\n"
-	      "  next_to_watch.status <%x>\n",
+	      "  next_to_watch.status <%x>\n"
+	      "MAC Status             <%x>\n"
+	      "PHY Status             <%x>\n"
+	      "PHY 1000BASE-T Status  <%x>\n"
+	      "PHY Extended Status    <%x>\n"
+	      "PCI Status             <%x>\n",
 	      readl(adapter->hw.hw_addr + tx_ring->head),
 	      readl(adapter->hw.hw_addr + tx_ring->tail),
 	      tx_ring->next_to_use,
@@ -569,7 +586,12 @@ static void e1000_print_tx_hang(struct e1000_adapter *adapter)
 	      tx_ring->buffer_info[eop].time_stamp,
 	      eop,
 	      jiffies,
-	      eop_desc->upper.fields.status);
+	      eop_desc->upper.fields.status,
+	      er32(STATUS),
+	      phy_status,
+	      phy_1000t_status,
+	      phy_ext_status,
+	      pci_status);
 }
 
 /**
@@ -643,14 +665,16 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter)
 	}
 
 	if (adapter->detect_tx_hung) {
-		/* Detect a transmit hang in hardware, this serializes the
-		 * check with the clearing of time_stamp and movement of i */
+		/*
+		 * Detect a transmit hang in hardware, this serializes the
+		 * check with the clearing of time_stamp and movement of i
+		 */
 		adapter->detect_tx_hung = 0;
 		if (tx_ring->buffer_info[i].time_stamp &&
 		    time_after(jiffies, tx_ring->buffer_info[i].time_stamp
 			       + (adapter->tx_timeout_factor * HZ))
 		    && !(er32(STATUS) & E1000_STATUS_TXOFF)) {
-			e1000_print_tx_hang(adapter);
+			schedule_work(&adapter->print_hang_task);
 			netif_stop_queue(netdev);
 		}
 	}
@@ -5118,6 +5142,7 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
 	INIT_WORK(&adapter->watchdog_task, e1000_watchdog_task);
 	INIT_WORK(&adapter->downshift_task, e1000e_downshift_workaround);
 	INIT_WORK(&adapter->update_phy_task, e1000e_update_phy_task);
+	INIT_WORK(&adapter->print_hang_task, e1000_print_hw_hang);
 
 	/* Initialize link parameters. User can change them with ethtool */
 	adapter->hw.mac.autoneg = 1;
@@ -5241,6 +5266,11 @@ static void __devexit e1000_remove(struct pci_dev *pdev)
 	del_timer_sync(&adapter->watchdog_timer);
 	del_timer_sync(&adapter->phy_info_timer);
 
+	cancel_work_sync(&adapter->reset_task);
+	cancel_work_sync(&adapter->watchdog_task);
+	cancel_work_sync(&adapter->downshift_task);
+	cancel_work_sync(&adapter->update_phy_task);
+	cancel_work_sync(&adapter->print_hang_task);
 	flush_scheduled_work();
 
 	/*
-- 
GitLab


From 6ebfbc065624790772398f5b327ac33a7ae3880b Mon Sep 17 00:00:00 2001
From: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Date: Sun, 22 Nov 2009 20:43:13 -0800
Subject: [PATCH 1443/1815] net: Fix missing kernel-doc notation

Fix the following htmldocs warning:

  Warning(net/core/dev.c:5378): bad line:

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/dev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/core/dev.c b/net/core/dev.c
index 09f3d6b9c0c..ccefa2473c3 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5375,7 +5375,7 @@ EXPORT_SYMBOL(synchronize_net);
  *	unregister_netdevice_queue - remove device from the kernel
  *	@dev: device
  *	@head: list
-
+ *
  *	This function shuts down a device interface and removes it
  *	from the kernel tables.
  *	If head not NULL, device is queued to be unregistered later.
-- 
GitLab


From c4832c7bbc3f7a4813347e871d7238651bf437d3 Mon Sep 17 00:00:00 2001
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Mon, 23 Nov 2009 10:34:39 +0100
Subject: [PATCH 1444/1815] netfilter: nf_ct_tcp: improve out-of-sync situation
 in TCP tracking

Without this patch, if we receive a SYN packet from the client while
the firewall is out-of-sync, we let it go through. Then, if we see
the SYN/ACK reply coming from the server, we destroy the conntrack
entry and drop the packet to trigger a new retransmission. Then,
the retransmision from the client is used to start a new clean
session.

This patch improves the current handling. Basically, if we see an
unexpected SYN packet, we annotate the TCP options. Then, if we
see the reply SYN/ACK, this means that the firewall was indeed
out-of-sync. Therefore, we set a clean new session from the existing
entry based on the annotated values.

This patch adds two new 8-bits fields that fit in a 16-bits gap of
the ip_ct_tcp structure.

This patch is particularly useful for conntrackd since the
asynchronous nature of the state-synchronization allows to have
backup nodes that are not perfect copies of the master. This helps
to improve the recovery under some worst-case scenarios.

I have tested this by creating lots of conntrack entries in wrong
state:

for ((i=1024;i<65535;i++)); do conntrack -I -p tcp -s 192.168.2.101 -d 192.168.2.2 --sport $i --dport 80 -t 800 --state ESTABLISHED -u ASSURED,SEEN_REPLY; done

Then, I make some TCP connections:

$ echo GET / | nc 192.168.2.2 80

The events show the result:

 [UPDATE] tcp      6 60 SYN_RECV src=192.168.2.101 dst=192.168.2.2 sport=33220 dport=80 src=192.168.2.2 dst=192.168.2.101 sport=80 dport=33220 [ASSURED]
 [UPDATE] tcp      6 432000 ESTABLISHED src=192.168.2.101 dst=192.168.2.2 sport=33220 dport=80 src=192.168.2.2 dst=192.168.2.101 sport=80 dport=33220 [ASSURED]
 [UPDATE] tcp      6 120 FIN_WAIT src=192.168.2.101 dst=192.168.2.2 sport=33220 dport=80 src=192.168.2.2 dst=192.168.2.101 sport=80 dport=33220 [ASSURED]
 [UPDATE] tcp      6 30 LAST_ACK src=192.168.2.101 dst=192.168.2.2 sport=33220 dport=80 src=192.168.2.2 dst=192.168.2.101 sport=80 dport=33220 [ASSURED]
 [UPDATE] tcp      6 120 TIME_WAIT src=192.168.2.101 dst=192.168.2.2 sport=33220 dport=80 src=192.168.2.2 dst=192.168.2.101 sport=80 dport=33220 [ASSURED]

and tcpdump shows no retransmissions:

20:47:57.271951 IP 192.168.2.101.33221 > 192.168.2.2.www: S 435402517:435402517(0) win 5840 <mss 1460,sackOK,timestamp 4294961827 0,nop,wscale 6>
20:47:57.273538 IP 192.168.2.2.www > 192.168.2.101.33221: S 3509927945:3509927945(0) ack 435402518 win 5792 <mss 1460,sackOK,timestamp 235681024 4294961827,nop,wscale 4>
20:47:57.273608 IP 192.168.2.101.33221 > 192.168.2.2.www: . ack 3509927946 win 92 <nop,nop,timestamp 4294961827 235681024>
20:47:57.273693 IP 192.168.2.101.33221 > 192.168.2.2.www: P 435402518:435402524(6) ack 3509927946 win 92 <nop,nop,timestamp 4294961827 235681024>
20:47:57.275492 IP 192.168.2.2.www > 192.168.2.101.33221: . ack 435402524 win 362 <nop,nop,timestamp 235681024 4294961827>
20:47:57.276492 IP 192.168.2.2.www > 192.168.2.101.33221: P 3509927946:3509928082(136) ack 435402524 win 362 <nop,nop,timestamp 235681025 4294961827>
20:47:57.276515 IP 192.168.2.101.33221 > 192.168.2.2.www: . ack 3509928082 win 108 <nop,nop,timestamp 4294961828 235681025>
20:47:57.276521 IP 192.168.2.2.www > 192.168.2.101.33221: F 3509928082:3509928082(0) ack 435402524 win 362 <nop,nop,timestamp 235681025 4294961827>
20:47:57.277369 IP 192.168.2.101.33221 > 192.168.2.2.www: F 435402524:435402524(0) ack 3509928083 win 108 <nop,nop,timestamp 4294961828 235681025>
20:47:57.279491 IP 192.168.2.2.www > 192.168.2.101.33221: . ack 435402525 win 362 <nop,nop,timestamp 235681025 4294961828>

I also added a rule to log invalid packets, with no occurrences  :-) .

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: Patrick McHardy <kaber@trash.net>
---
 include/linux/netfilter/nf_conntrack_tcp.h |  3 ++
 net/netfilter/nf_conntrack_proto_tcp.c     | 51 +++++++++++++++++-----
 2 files changed, 44 insertions(+), 10 deletions(-)

diff --git a/include/linux/netfilter/nf_conntrack_tcp.h b/include/linux/netfilter/nf_conntrack_tcp.h
index 4352feed237..ece22e94dcb 100644
--- a/include/linux/netfilter/nf_conntrack_tcp.h
+++ b/include/linux/netfilter/nf_conntrack_tcp.h
@@ -67,6 +67,9 @@ struct ip_ct_tcp
 	u_int32_t	last_ack;	/* Last sequence number seen in opposite dir */
 	u_int32_t	last_end;	/* Last seq + len */
 	u_int16_t	last_win;	/* Last window advertisement seen in dir */
+	/* For SYN packets while we may be out-of-sync */
+	u_int8_t	last_wscale;	/* Last window scaling factor seen */
+	u_int8_t	last_flags;	/* Last flags set */
 };
 
 #endif /* __KERNEL__ */
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c
index 97a82ba7537..9cc6b5cb06a 100644
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -908,23 +908,54 @@ static int tcp_packet(struct nf_conn *ct,
 			/* b) This SYN/ACK acknowledges a SYN that we earlier
 			 * ignored as invalid. This means that the client and
 			 * the server are both in sync, while the firewall is
-			 * not. We kill this session and block the SYN/ACK so
-			 * that the client cannot but retransmit its SYN and
-			 * thus initiate a clean new session.
+			 * not. We get in sync from the previously annotated
+			 * values.
 			 */
-			spin_unlock_bh(&ct->lock);
-			if (LOG_INVALID(net, IPPROTO_TCP))
-				nf_log_packet(pf, 0, skb, NULL, NULL, NULL,
-					  "nf_ct_tcp: killing out of sync session ");
-			nf_ct_kill(ct);
-			return NF_DROP;
+			old_state = TCP_CONNTRACK_SYN_SENT;
+			new_state = TCP_CONNTRACK_SYN_RECV;
+			ct->proto.tcp.seen[ct->proto.tcp.last_dir].td_end =
+				ct->proto.tcp.last_end;
+			ct->proto.tcp.seen[ct->proto.tcp.last_dir].td_maxend =
+				ct->proto.tcp.last_end;
+			ct->proto.tcp.seen[ct->proto.tcp.last_dir].td_maxwin =
+				ct->proto.tcp.last_win == 0 ?
+					1 : ct->proto.tcp.last_win;
+			ct->proto.tcp.seen[ct->proto.tcp.last_dir].td_scale =
+				ct->proto.tcp.last_wscale;
+			ct->proto.tcp.seen[ct->proto.tcp.last_dir].flags =
+				ct->proto.tcp.last_flags;
+			memset(&ct->proto.tcp.seen[dir], 0,
+			       sizeof(struct ip_ct_tcp_state));
+			break;
 		}
 		ct->proto.tcp.last_index = index;
 		ct->proto.tcp.last_dir = dir;
 		ct->proto.tcp.last_seq = ntohl(th->seq);
 		ct->proto.tcp.last_end =
 		    segment_seq_plus_len(ntohl(th->seq), skb->len, dataoff, th);
-
+		ct->proto.tcp.last_win = ntohs(th->window);
+
+		/* a) This is a SYN in ORIGINAL. The client and the server
+		 * may be in sync but we are not. In that case, we annotate
+		 * the TCP options and let the packet go through. If it is a
+		 * valid SYN packet, the server will reply with a SYN/ACK, and
+		 * then we'll get in sync. Otherwise, the server ignores it. */
+		if (index == TCP_SYN_SET && dir == IP_CT_DIR_ORIGINAL) {
+			struct ip_ct_tcp_state seen = {};
+
+			ct->proto.tcp.last_flags =
+			ct->proto.tcp.last_wscale = 0;
+			tcp_options(skb, dataoff, th, &seen);
+			if (seen.flags & IP_CT_TCP_FLAG_WINDOW_SCALE) {
+				ct->proto.tcp.last_flags |=
+					IP_CT_TCP_FLAG_WINDOW_SCALE;
+				ct->proto.tcp.last_wscale = seen.td_scale;
+			}
+			if (seen.flags & IP_CT_TCP_FLAG_SACK_PERM) {
+				ct->proto.tcp.last_flags |=
+					IP_CT_TCP_FLAG_SACK_PERM;
+			}
+		}
 		spin_unlock_bh(&ct->lock);
 		if (LOG_INVALID(net, IPPROTO_TCP))
 			nf_log_packet(pf, 0, skb, NULL, NULL, NULL,
-- 
GitLab


From 3a0429292daa0e1ec848bd26479f5e48b0d54a42 Mon Sep 17 00:00:00 2001
From: Florian Westphal <fw@strlen.de>
Date: Mon, 23 Nov 2009 10:43:57 +0100
Subject: [PATCH 1445/1815] netfilter: xtables: fix conntrack match v1 ipt-save
 output

commit d6d3f08b0fd998b647a05540cedd11a067b72867
(netfilter: xtables: conntrack match revision 2) does break the
v1 conntrack match iptables-save output in a subtle way.

Problem is as follows:

    up = kmalloc(sizeof(*up), GFP_KERNEL);
[..]
   /*
    * The strategy here is to minimize the overhead of v1 matching,
    * by prebuilding a v2 struct and putting the pointer into the
    * v1 dataspace.
    */
    memcpy(up, info, offsetof(typeof(*info), state_mask));
[..]
    *(void **)info  = up;

As the v2 struct pointer is saved in the match data space,
it clobbers the first structure member (->origsrc_addr).

Because the _v1 match function grabs this pointer and does not actually
look at the v1 origsrc, run time functionality does not break.
But iptables -nvL (or iptables-save) cannot know that v1 origsrc_addr
has been overloaded in this way:

$ iptables -p tcp -A OUTPUT -m conntrack --ctorigsrc 10.0.0.1 -j ACCEPT
$ iptables-save
-A OUTPUT -p tcp -m conntrack --ctorigsrc 128.173.134.206 -j ACCEPT

(128.173... is the address to the v2 match structure).

To fix this, we take advantage of the fact that the v1 and v2 structures
are identical with exception of the last two structure members (u8 in v1,
u16 in v2).

We extract them as early as possible and prevent the v2 matching function
from looking at those two members directly.

Previously reported by Michel Messerschmidt via Ben Hutchings, also
see Debian Bug tracker #556587.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
---
 net/netfilter/xt_conntrack.c | 61 ++++++++++--------------------------
 1 file changed, 17 insertions(+), 44 deletions(-)

diff --git a/net/netfilter/xt_conntrack.c b/net/netfilter/xt_conntrack.c
index 6dc4652f2fe..ae66305f0fe 100644
--- a/net/netfilter/xt_conntrack.c
+++ b/net/netfilter/xt_conntrack.c
@@ -113,7 +113,8 @@ ct_proto_port_check(const struct xt_conntrack_mtinfo2 *info,
 }
 
 static bool
-conntrack_mt(const struct sk_buff *skb, const struct xt_match_param *par)
+conntrack_mt(const struct sk_buff *skb, const struct xt_match_param *par,
+             u16 state_mask, u16 status_mask)
 {
 	const struct xt_conntrack_mtinfo2 *info = par->matchinfo;
 	enum ip_conntrack_info ctinfo;
@@ -136,7 +137,7 @@ conntrack_mt(const struct sk_buff *skb, const struct xt_match_param *par)
 			if (test_bit(IPS_DST_NAT_BIT, &ct->status))
 				statebit |= XT_CONNTRACK_STATE_DNAT;
 		}
-		if (!!(info->state_mask & statebit) ^
+		if (!!(state_mask & statebit) ^
 		    !(info->invert_flags & XT_CONNTRACK_STATE))
 			return false;
 	}
@@ -172,7 +173,7 @@ conntrack_mt(const struct sk_buff *skb, const struct xt_match_param *par)
 		return false;
 
 	if ((info->match_flags & XT_CONNTRACK_STATUS) &&
-	    (!!(info->status_mask & ct->status) ^
+	    (!!(status_mask & ct->status) ^
 	    !(info->invert_flags & XT_CONNTRACK_STATUS)))
 		return false;
 
@@ -192,11 +193,17 @@ conntrack_mt(const struct sk_buff *skb, const struct xt_match_param *par)
 static bool
 conntrack_mt_v1(const struct sk_buff *skb, const struct xt_match_param *par)
 {
-	const struct xt_conntrack_mtinfo2 *const *info = par->matchinfo;
-	struct xt_match_param newpar = *par;
+	const struct xt_conntrack_mtinfo1 *info = par->matchinfo;
 
-	newpar.matchinfo = *info;
-	return conntrack_mt(skb, &newpar);
+	return conntrack_mt(skb, par, info->state_mask, info->status_mask);
+}
+
+static bool
+conntrack_mt_v2(const struct sk_buff *skb, const struct xt_match_param *par)
+{
+	const struct xt_conntrack_mtinfo2 *info = par->matchinfo;
+
+	return conntrack_mt(skb, par, info->state_mask, info->status_mask);
 }
 
 static bool conntrack_mt_check(const struct xt_mtchk_param *par)
@@ -209,45 +216,11 @@ static bool conntrack_mt_check(const struct xt_mtchk_param *par)
 	return true;
 }
 
-static bool conntrack_mt_check_v1(const struct xt_mtchk_param *par)
-{
-	struct xt_conntrack_mtinfo1 *info = par->matchinfo;
-	struct xt_conntrack_mtinfo2 *up;
-	int ret = conntrack_mt_check(par);
-
-	if (ret < 0)
-		return ret;
-
-	up = kmalloc(sizeof(*up), GFP_KERNEL);
-	if (up == NULL) {
-		nf_ct_l3proto_module_put(par->family);
-		return -ENOMEM;
-	}
-
-	/*
-	 * The strategy here is to minimize the overhead of v1 matching,
-	 * by prebuilding a v2 struct and putting the pointer into the
-	 * v1 dataspace.
-	 */
-	memcpy(up, info, offsetof(typeof(*info), state_mask));
-	up->state_mask  = info->state_mask;
-	up->status_mask = info->status_mask;
-	*(void **)info  = up;
-	return true;
-}
-
 static void conntrack_mt_destroy(const struct xt_mtdtor_param *par)
 {
 	nf_ct_l3proto_module_put(par->family);
 }
 
-static void conntrack_mt_destroy_v1(const struct xt_mtdtor_param *par)
-{
-	struct xt_conntrack_mtinfo2 **info = par->matchinfo;
-	kfree(*info);
-	conntrack_mt_destroy(par);
-}
-
 static struct xt_match conntrack_mt_reg[] __read_mostly = {
 	{
 		.name       = "conntrack",
@@ -255,8 +228,8 @@ static struct xt_match conntrack_mt_reg[] __read_mostly = {
 		.family     = NFPROTO_UNSPEC,
 		.matchsize  = sizeof(struct xt_conntrack_mtinfo1),
 		.match      = conntrack_mt_v1,
-		.checkentry = conntrack_mt_check_v1,
-		.destroy    = conntrack_mt_destroy_v1,
+		.checkentry = conntrack_mt_check,
+		.destroy    = conntrack_mt_destroy,
 		.me         = THIS_MODULE,
 	},
 	{
@@ -264,7 +237,7 @@ static struct xt_match conntrack_mt_reg[] __read_mostly = {
 		.revision   = 2,
 		.family     = NFPROTO_UNSPEC,
 		.matchsize  = sizeof(struct xt_conntrack_mtinfo2),
-		.match      = conntrack_mt,
+		.match      = conntrack_mt_v2,
 		.checkentry = conntrack_mt_check,
 		.destroy    = conntrack_mt_destroy,
 		.me         = THIS_MODULE,
-- 
GitLab


From 9d4fb27db90043cd2640e4bc778f9c755d3c17c1 Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Mon, 23 Nov 2009 10:41:23 -0800
Subject: [PATCH 1446/1815] net/ipv4: Move && and || to end of previous line

On Sun, 2009-11-22 at 16:31 -0800, David Miller wrote:
> It should be of the form:
> 	if (x &&
> 	    y)
>
> or:
> 	if (x && y)
>
> Fix patches, rather than complaints, for existing cases where things
> do not follow this pattern are certainly welcome.

Also collapsed some multiple tabs to single space.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/inet_lro.c   | 36 ++++++++++++++++++------------------
 net/ipv4/ip_output.c  |  6 ++++--
 net/ipv4/ipconfig.c   | 13 ++++++-------
 net/ipv4/route.c      | 19 ++++++++++---------
 net/ipv4/tcp_htcp.c   | 10 +++++-----
 net/ipv4/tcp_input.c  |  4 ++--
 net/ipv4/tcp_lp.c     |  4 ++--
 net/ipv4/tcp_output.c |  4 ++--
 net/ipv4/tcp_probe.c  |  4 ++--
 net/ipv4/tcp_veno.c   |  5 ++---
 net/ipv4/tcp_yeah.c   |  4 ++--
 net/ipv4/udp.c        | 36 ++++++++++++++++++------------------
 12 files changed, 73 insertions(+), 72 deletions(-)

diff --git a/net/ipv4/inet_lro.c b/net/ipv4/inet_lro.c
index 6a667dae315..47038cb6c13 100644
--- a/net/ipv4/inet_lro.c
+++ b/net/ipv4/inet_lro.c
@@ -64,15 +64,15 @@ static int lro_tcp_ip_check(struct iphdr *iph, struct tcphdr *tcph,
 	if (iph->ihl != IPH_LEN_WO_OPTIONS)
 		return -1;
 
-	if (tcph->cwr || tcph->ece || tcph->urg || !tcph->ack
-	    || tcph->rst || tcph->syn || tcph->fin)
+	if (tcph->cwr || tcph->ece || tcph->urg || !tcph->ack ||
+	    tcph->rst || tcph->syn || tcph->fin)
 		return -1;
 
 	if (INET_ECN_is_ce(ipv4_get_dsfield(iph)))
 		return -1;
 
-	if (tcph->doff != TCPH_LEN_WO_OPTIONS
-	    && tcph->doff != TCPH_LEN_W_TIMESTAMP)
+	if (tcph->doff != TCPH_LEN_WO_OPTIONS &&
+	    tcph->doff != TCPH_LEN_W_TIMESTAMP)
 		return -1;
 
 	/* check tcp options (only timestamp allowed) */
@@ -262,10 +262,10 @@ static int lro_check_tcp_conn(struct net_lro_desc *lro_desc,
 			      struct iphdr *iph,
 			      struct tcphdr *tcph)
 {
-	if ((lro_desc->iph->saddr != iph->saddr)
-	    || (lro_desc->iph->daddr != iph->daddr)
-	    || (lro_desc->tcph->source != tcph->source)
-	    || (lro_desc->tcph->dest != tcph->dest))
+	if ((lro_desc->iph->saddr != iph->saddr) ||
+	    (lro_desc->iph->daddr != iph->daddr) ||
+	    (lro_desc->tcph->source != tcph->source) ||
+	    (lro_desc->tcph->dest != tcph->dest))
 		return -1;
 	return 0;
 }
@@ -339,9 +339,9 @@ static int __lro_proc_skb(struct net_lro_mgr *lro_mgr, struct sk_buff *skb,
 	u64 flags;
 	int vlan_hdr_len = 0;
 
-	if (!lro_mgr->get_skb_header
-	    || lro_mgr->get_skb_header(skb, (void *)&iph, (void *)&tcph,
-				       &flags, priv))
+	if (!lro_mgr->get_skb_header ||
+	    lro_mgr->get_skb_header(skb, (void *)&iph, (void *)&tcph,
+				    &flags, priv))
 		goto out;
 
 	if (!(flags & LRO_IPV4) || !(flags & LRO_TCP))
@@ -351,8 +351,8 @@ static int __lro_proc_skb(struct net_lro_mgr *lro_mgr, struct sk_buff *skb,
 	if (!lro_desc)
 		goto out;
 
-	if ((skb->protocol == htons(ETH_P_8021Q))
-	    && !(lro_mgr->features & LRO_F_EXTRACT_VLAN_ID))
+	if ((skb->protocol == htons(ETH_P_8021Q)) &&
+	    !(lro_mgr->features & LRO_F_EXTRACT_VLAN_ID))
 		vlan_hdr_len = VLAN_HLEN;
 
 	if (!lro_desc->active) { /* start new lro session */
@@ -446,9 +446,9 @@ static struct sk_buff *__lro_proc_segment(struct net_lro_mgr *lro_mgr,
 	int hdr_len = LRO_MAX_PG_HLEN;
 	int vlan_hdr_len = 0;
 
-	if (!lro_mgr->get_frag_header
-	    || lro_mgr->get_frag_header(frags, (void *)&mac_hdr, (void *)&iph,
-					(void *)&tcph, &flags, priv)) {
+	if (!lro_mgr->get_frag_header ||
+	    lro_mgr->get_frag_header(frags, (void *)&mac_hdr, (void *)&iph,
+				     (void *)&tcph, &flags, priv)) {
 		mac_hdr = page_address(frags->page) + frags->page_offset;
 		goto out1;
 	}
@@ -472,8 +472,8 @@ static struct sk_buff *__lro_proc_segment(struct net_lro_mgr *lro_mgr,
 		if (!skb)
 			goto out;
 
-		if ((skb->protocol == htons(ETH_P_8021Q))
-		    && !(lro_mgr->features & LRO_F_EXTRACT_VLAN_ID))
+		if ((skb->protocol == htons(ETH_P_8021Q)) &&
+		    !(lro_mgr->features & LRO_F_EXTRACT_VLAN_ID))
 			vlan_hdr_len = VLAN_HLEN;
 
 		iph = (void *)(skb->data + vlan_hdr_len);
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 322b40864ac..b78e61502ef 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -264,9 +264,11 @@ int ip_mc_output(struct sk_buff *skb)
 
 		   This check is duplicated in ip_mr_input at the moment.
 		 */
-		    && ((rt->rt_flags&RTCF_LOCAL) || !(IPCB(skb)->flags&IPSKB_FORWARDED))
+		    &&
+		    ((rt->rt_flags & RTCF_LOCAL) ||
+		     !(IPCB(skb)->flags & IPSKB_FORWARDED))
 #endif
-		) {
+		   ) {
 			struct sk_buff *newskb = skb_clone(skb, GFP_ATOMIC);
 			if (newskb)
 				NF_HOOK(PF_INET, NF_INET_POST_ROUTING, newskb,
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index f8d04c25645..4e08b7f2331 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -1172,10 +1172,9 @@ static int __init ic_dynamic(void)
 			schedule_timeout_uninterruptible(1);
 #ifdef IPCONFIG_DHCP
 		/* DHCP isn't done until we get a DHCPACK. */
-		if ((ic_got_reply & IC_BOOTP)
-		    && (ic_proto_enabled & IC_USE_DHCP)
-		    && ic_dhcp_msgtype != DHCPACK)
-		{
+		if ((ic_got_reply & IC_BOOTP) &&
+		    (ic_proto_enabled & IC_USE_DHCP) &&
+		    ic_dhcp_msgtype != DHCPACK) {
 			ic_got_reply = 0;
 			printk(",");
 			continue;
@@ -1344,9 +1343,9 @@ static int __init ip_auto_config(void)
 	 */
 	if (ic_myaddr == NONE ||
 #ifdef CONFIG_ROOT_NFS
-	    (root_server_addr == NONE
-	     && ic_servaddr == NONE
-	     && ROOT_DEV == Root_NFS) ||
+	    (root_server_addr == NONE &&
+	     ic_servaddr == NONE &&
+	     ROOT_DEV == Root_NFS) ||
 #endif
 	    ic_first_dev->next) {
 #ifdef IPCONFIG_DYNAMIC
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 4284ceef794..7547944ea9b 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1346,9 +1346,9 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw,
 		return;
 
 	net = dev_net(dev);
-	if (new_gw == old_gw || !IN_DEV_RX_REDIRECTS(in_dev)
-	    || ipv4_is_multicast(new_gw) || ipv4_is_lbcast(new_gw)
-	    || ipv4_is_zeronet(new_gw))
+	if (new_gw == old_gw || !IN_DEV_RX_REDIRECTS(in_dev) ||
+	    ipv4_is_multicast(new_gw) || ipv4_is_lbcast(new_gw) ||
+	    ipv4_is_zeronet(new_gw))
 		goto reject_redirect;
 
 	if (!rt_caching(net))
@@ -2311,10 +2311,11 @@ skip_cache:
 				ip_hdr(skb)->protocol);
 			if (our
 #ifdef CONFIG_IP_MROUTE
-			    || (!ipv4_is_local_multicast(daddr) &&
-				IN_DEV_MFORWARD(in_dev))
+				||
+			    (!ipv4_is_local_multicast(daddr) &&
+			     IN_DEV_MFORWARD(in_dev))
 #endif
-			    ) {
+			   ) {
 				rcu_read_unlock();
 				return ip_route_input_mc(skb, daddr, saddr,
 							 tos, dev, our);
@@ -2511,9 +2512,9 @@ static int ip_route_output_slow(struct net *net, struct rtable **rp,
 		      of another iface. --ANK
 		 */
 
-		if (oldflp->oif == 0
-		    && (ipv4_is_multicast(oldflp->fl4_dst) ||
-			oldflp->fl4_dst == htonl(0xFFFFFFFF))) {
+		if (oldflp->oif == 0 &&
+		    (ipv4_is_multicast(oldflp->fl4_dst) ||
+		     oldflp->fl4_dst == htonl(0xFFFFFFFF))) {
 			/* It is equivalent to inet_addr_type(saddr) == RTN_LOCAL */
 			dev_out = ip_dev_find(net, oldflp->fl4_src);
 			if (dev_out == NULL)
diff --git a/net/ipv4/tcp_htcp.c b/net/ipv4/tcp_htcp.c
index 26d5c7fc7de..7c94a495541 100644
--- a/net/ipv4/tcp_htcp.c
+++ b/net/ipv4/tcp_htcp.c
@@ -92,8 +92,8 @@ static inline void measure_rtt(struct sock *sk, u32 srtt)
 	if (icsk->icsk_ca_state == TCP_CA_Open) {
 		if (ca->maxRTT < ca->minRTT)
 			ca->maxRTT = ca->minRTT;
-		if (ca->maxRTT < srtt
-		    && srtt <= ca->maxRTT + msecs_to_jiffies(20))
+		if (ca->maxRTT < srtt &&
+		    srtt <= ca->maxRTT + msecs_to_jiffies(20))
 			ca->maxRTT = srtt;
 	}
 }
@@ -123,9 +123,9 @@ static void measure_achieved_throughput(struct sock *sk, u32 pkts_acked, s32 rtt
 
 	ca->packetcount += pkts_acked;
 
-	if (ca->packetcount >= tp->snd_cwnd - (ca->alpha >> 7 ? : 1)
-	    && now - ca->lasttime >= ca->minRTT
-	    && ca->minRTT > 0) {
+	if (ca->packetcount >= tp->snd_cwnd - (ca->alpha >> 7 ? : 1) &&
+	    now - ca->lasttime >= ca->minRTT &&
+	    ca->minRTT > 0) {
 		__u32 cur_Bi = ca->packetcount * HZ / (now - ca->lasttime);
 
 		if (htcp_ccount(ca) <= 3) {
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index cc306ac6eb5..be166e0e11c 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -4852,11 +4852,11 @@ static void __tcp_ack_snd_check(struct sock *sk, int ofo_possible)
 	struct tcp_sock *tp = tcp_sk(sk);
 
 	    /* More than one full frame received... */
-	if (((tp->rcv_nxt - tp->rcv_wup) > inet_csk(sk)->icsk_ack.rcv_mss
+	if (((tp->rcv_nxt - tp->rcv_wup) > inet_csk(sk)->icsk_ack.rcv_mss &&
 	     /* ... and right edge of window advances far enough.
 	      * (tcp_recvmsg() will send ACK otherwise). Or...
 	      */
-	     && __tcp_select_window(sk) >= tp->rcv_wnd) ||
+	     __tcp_select_window(sk) >= tp->rcv_wnd) ||
 	    /* We ACK each frame or... */
 	    tcp_in_quickack_mode(sk) ||
 	    /* We have out of order data. */
diff --git a/net/ipv4/tcp_lp.c b/net/ipv4/tcp_lp.c
index ce3c41ff50b..de870377fbb 100644
--- a/net/ipv4/tcp_lp.c
+++ b/net/ipv4/tcp_lp.c
@@ -143,8 +143,8 @@ static u32 tcp_lp_remote_hz_estimator(struct sock *sk)
 		goto out;
 
 	/* we can't calc remote HZ with no different!! */
-	if (tp->rx_opt.rcv_tsval == lp->remote_ref_time
-	    || tp->rx_opt.rcv_tsecr == lp->local_ref_time)
+	if (tp->rx_opt.rcv_tsval == lp->remote_ref_time ||
+	    tp->rx_opt.rcv_tsecr == lp->local_ref_time)
 		goto out;
 
 	m = HZ * (tp->rx_opt.rcv_tsval -
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 616c686ca25..875bc6dcd92 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1923,8 +1923,8 @@ int tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb)
 	 * case, when window is shrunk to zero. In this case
 	 * our retransmit serves as a zero window probe.
 	 */
-	if (!before(TCP_SKB_CB(skb)->seq, tcp_wnd_end(tp))
-	    && TCP_SKB_CB(skb)->seq != tp->snd_una)
+	if (!before(TCP_SKB_CB(skb)->seq, tcp_wnd_end(tp)) &&
+	    TCP_SKB_CB(skb)->seq != tp->snd_una)
 		return -EAGAIN;
 
 	if (skb->len > cur_mss) {
diff --git a/net/ipv4/tcp_probe.c b/net/ipv4/tcp_probe.c
index 7a3cc2ffad8..bb110c5ce1d 100644
--- a/net/ipv4/tcp_probe.c
+++ b/net/ipv4/tcp_probe.c
@@ -95,8 +95,8 @@ static int jtcp_rcv_established(struct sock *sk, struct sk_buff *skb,
 
 	/* Only update if port matches */
 	if ((port == 0 || ntohs(inet->inet_dport) == port ||
-	     ntohs(inet->inet_sport) == port)
-	    && (full || tp->snd_cwnd != tcp_probe.lastcwnd)) {
+	     ntohs(inet->inet_sport) == port) &&
+	    (full || tp->snd_cwnd != tcp_probe.lastcwnd)) {
 
 		spin_lock(&tcp_probe.lock);
 		/* If log fills, just silently drop */
diff --git a/net/ipv4/tcp_veno.c b/net/ipv4/tcp_veno.c
index e9bbff74648..b612acf7618 100644
--- a/net/ipv4/tcp_veno.c
+++ b/net/ipv4/tcp_veno.c
@@ -165,9 +165,8 @@ static void tcp_veno_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
 				 * every other rtt.
 				 */
 				if (tp->snd_cwnd_cnt >= tp->snd_cwnd) {
-					if (veno->inc
-					    && tp->snd_cwnd <
-					    tp->snd_cwnd_clamp) {
+					if (veno->inc &&
+					    tp->snd_cwnd < tp->snd_cwnd_clamp) {
 						tp->snd_cwnd++;
 						veno->inc = 0;
 					} else
diff --git a/net/ipv4/tcp_yeah.c b/net/ipv4/tcp_yeah.c
index 66b6821b984..a0f24035889 100644
--- a/net/ipv4/tcp_yeah.c
+++ b/net/ipv4/tcp_yeah.c
@@ -157,8 +157,8 @@ static void tcp_yeah_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
 
 			if (queue > TCP_YEAH_ALPHA ||
 			    rtt - yeah->vegas.baseRTT > (yeah->vegas.baseRTT / TCP_YEAH_PHY)) {
-				if (queue > TCP_YEAH_ALPHA
-				    && tp->snd_cwnd > yeah->reno_count) {
+				if (queue > TCP_YEAH_ALPHA &&
+				    tp->snd_cwnd > yeah->reno_count) {
 					u32 reduction = min(queue / TCP_YEAH_GAMMA ,
 							    tp->snd_cwnd >> TCP_YEAH_EPSILON);
 
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 1eaf57567eb..1f9534846ca 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -136,12 +136,12 @@ static int udp_lib_lport_inuse(struct net *net, __u16 num,
 	struct hlist_nulls_node *node;
 
 	sk_nulls_for_each(sk2, node, &hslot->head)
-		if (net_eq(sock_net(sk2), net)			&&
-		    sk2 != sk					&&
+		if (net_eq(sock_net(sk2), net) &&
+		    sk2 != sk &&
 		    (bitmap || udp_sk(sk2)->udp_port_hash == num) &&
-		    (!sk2->sk_reuse || !sk->sk_reuse)		&&
-		    (!sk2->sk_bound_dev_if || !sk->sk_bound_dev_if
-			|| sk2->sk_bound_dev_if == sk->sk_bound_dev_if) &&
+		    (!sk2->sk_reuse || !sk->sk_reuse) &&
+		    (!sk2->sk_bound_dev_if || !sk->sk_bound_dev_if ||
+		     sk2->sk_bound_dev_if == sk->sk_bound_dev_if) &&
 		    (*saddr_comp)(sk, sk2)) {
 			if (bitmap)
 				__set_bit(udp_sk(sk2)->udp_port_hash >> log,
@@ -168,12 +168,12 @@ static int udp_lib_lport_inuse2(struct net *net, __u16 num,
 
 	spin_lock(&hslot2->lock);
 	udp_portaddr_for_each_entry(sk2, node, &hslot2->head)
-		if (net_eq(sock_net(sk2), net)			&&
-		    sk2 != sk					&&
-		    (udp_sk(sk2)->udp_port_hash == num)		&&
-		    (!sk2->sk_reuse || !sk->sk_reuse)		&&
-		    (!sk2->sk_bound_dev_if || !sk->sk_bound_dev_if
-			|| sk2->sk_bound_dev_if == sk->sk_bound_dev_if) &&
+		if (net_eq(sock_net(sk2), net) &&
+		    sk2 != sk &&
+		    (udp_sk(sk2)->udp_port_hash == num) &&
+		    (!sk2->sk_reuse || !sk->sk_reuse) &&
+		    (!sk2->sk_bound_dev_if || !sk->sk_bound_dev_if ||
+		     sk2->sk_bound_dev_if == sk->sk_bound_dev_if) &&
 		    (*saddr_comp)(sk, sk2)) {
 			res = 1;
 			break;
@@ -545,13 +545,13 @@ static inline struct sock *udp_v4_mcast_next(struct net *net, struct sock *sk,
 	sk_nulls_for_each_from(s, node) {
 		struct inet_sock *inet = inet_sk(s);
 
-		if (!net_eq(sock_net(s), net)				||
-		    udp_sk(s)->udp_port_hash != hnum			||
-		    (inet->inet_daddr && inet->inet_daddr != rmt_addr)	||
-		    (inet->inet_dport != rmt_port && inet->inet_dport)	||
-		    (inet->inet_rcv_saddr	&&
-		     inet->inet_rcv_saddr != loc_addr)			||
-		    ipv6_only_sock(s)					||
+		if (!net_eq(sock_net(s), net) ||
+		    udp_sk(s)->udp_port_hash != hnum ||
+		    (inet->inet_daddr && inet->inet_daddr != rmt_addr) ||
+		    (inet->inet_dport != rmt_port && inet->inet_dport) ||
+		    (inet->inet_rcv_saddr &&
+		     inet->inet_rcv_saddr != loc_addr) ||
+		    ipv6_only_sock(s) ||
 		    (s->sk_bound_dev_if && s->sk_bound_dev_if != dif))
 			continue;
 		if (!ip_mc_sf_allow(s, loc_addr, rmt_addr, dif))
-- 
GitLab


From e7b909a68cfb83e4bafdadac39534969ce260518 Mon Sep 17 00:00:00 2001
From: Sathya Perla <sathyap@serverengines.com>
Date: Sun, 22 Nov 2009 22:01:10 +0000
Subject: [PATCH 1447/1815] be2net: support configuration of 64 multicast
 addresses instead of 32

To send upto 64 addresses in the multicast-set cmd, the non-embeeded cmd format
that provides for a bigger buffer is used instead of an embedded format.

Signed-off-by: Sathya Perla <sathyap@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/benet/be.h      |  1 +
 drivers/net/benet/be_cmds.c | 23 +++++++++++++--------
 drivers/net/benet/be_cmds.h |  7 +++++--
 drivers/net/benet/be_main.c | 41 +++++++++++++++++++++++++++++++------
 4 files changed, 55 insertions(+), 17 deletions(-)

diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h
index 67e165cf3f4..dc7c19e4911 100644
--- a/drivers/net/benet/be.h
+++ b/drivers/net/benet/be.h
@@ -254,6 +254,7 @@ struct be_adapter {
 	struct vlan_group *vlan_grp;
 	u16 num_vlans;
 	u8 vlan_tag[VLAN_GROUP_ARRAY_LEN];
+	struct be_dma_mem mc_cmd_mem;
 
 	struct be_stats_obj stats;
 	/* Work queue used to perform periodic tasks like getting statistics */
diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c
index 808ad0dd411..31980f863d1 100644
--- a/drivers/net/benet/be_cmds.c
+++ b/drivers/net/benet/be_cmds.c
@@ -990,24 +990,30 @@ int be_cmd_promiscuous_config(struct be_adapter *adapter, u8 port_num, bool en)
  * (mc == NULL) => multicast promiscous
  */
 int be_cmd_multicast_set(struct be_adapter *adapter, u32 if_id,
-		struct dev_mc_list *mc_list, u32 mc_count)
+		struct dev_mc_list *mc_list, u32 mc_count,
+		struct be_dma_mem *mem)
 {
-#define BE_MAX_MC		32 /* set mcast promisc if > 32 */
 	struct be_mcc_wrb *wrb;
-	struct be_cmd_req_mcast_mac_config *req;
+	struct be_cmd_req_mcast_mac_config *req = mem->va;
+	struct be_sge *sge;
+	int status;
 
 	spin_lock_bh(&adapter->mcc_lock);
 
 	wrb = wrb_from_mccq(adapter);
-	req = embedded_payload(wrb);
+	sge = nonembedded_sgl(wrb);
+	memset(req, 0, sizeof(*req));
 
-	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+	be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
+	sge->pa_hi = cpu_to_le32(upper_32_bits(mem->dma));
+	sge->pa_lo = cpu_to_le32(mem->dma & 0xFFFFFFFF);
+	sge->len = cpu_to_le32(mem->size);
 
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 		OPCODE_COMMON_NTWK_MULTICAST_SET, sizeof(*req));
 
 	req->interface_id = if_id;
-	if (mc_list && mc_count <= BE_MAX_MC) {
+	if (mc_list) {
 		int i;
 		struct dev_mc_list *mc;
 
@@ -1019,11 +1025,10 @@ int be_cmd_multicast_set(struct be_adapter *adapter, u32 if_id,
 		req->promiscuous = 1;
 	}
 
-	be_mcc_notify_wait(adapter);
+	status = be_mcc_notify_wait(adapter);
 
 	spin_unlock_bh(&adapter->mcc_lock);
-
-	return 0;
+	return status;
 }
 
 /* Uses synchrounous mcc */
diff --git a/drivers/net/benet/be_cmds.h b/drivers/net/benet/be_cmds.h
index 6a430e4d175..3b31abc01b5 100644
--- a/drivers/net/benet/be_cmds.h
+++ b/drivers/net/benet/be_cmds.h
@@ -591,6 +591,8 @@ struct be_cmd_req_promiscuous_config {
 	u16 rsvd0;
 } __packed;
 
+/******************** Multicast MAC Config *******************/
+#define BE_MAX_MC		64 /* set mcast promisc if > 64 */
 struct macaddr {
 	u8 byte[ETH_ALEN];
 };
@@ -600,7 +602,7 @@ struct be_cmd_req_mcast_mac_config {
 	u16 num_mac;
 	u8 promiscuous;
 	u8 interface_id;
-	struct macaddr mac[32];
+	struct macaddr mac[BE_MAX_MC];
 } __packed;
 
 static inline struct be_hw_stats *
@@ -829,7 +831,8 @@ extern int be_cmd_vlan_config(struct be_adapter *adapter, u32 if_id,
 extern int be_cmd_promiscuous_config(struct be_adapter *adapter,
 			u8 port_num, bool en);
 extern int be_cmd_multicast_set(struct be_adapter *adapter, u32 if_id,
-			struct dev_mc_list *mc_list, u32 mc_count);
+			struct dev_mc_list *mc_list, u32 mc_count,
+			struct be_dma_mem *mem);
 extern int be_cmd_set_flow_control(struct be_adapter *adapter,
 			u32 tx_fc, u32 rx_fc);
 extern int be_cmd_get_flow_control(struct be_adapter *adapter,
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index 921103c4019..919fd82ebba 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -562,13 +562,15 @@ static void be_set_multicast_list(struct net_device *netdev)
 		be_cmd_promiscuous_config(adapter, adapter->port_num, 0);
 	}
 
-	if (netdev->flags & IFF_ALLMULTI) {
-		be_cmd_multicast_set(adapter, adapter->if_handle, NULL, 0);
+	/* Enable multicast promisc if num configured exceeds what we support */
+	if (netdev->flags & IFF_ALLMULTI || netdev->mc_count > BE_MAX_MC) {
+		be_cmd_multicast_set(adapter, adapter->if_handle, NULL, 0,
+				&adapter->mc_cmd_mem);
 		goto done;
 	}
 
 	be_cmd_multicast_set(adapter, adapter->if_handle, netdev->mc_list,
-		netdev->mc_count);
+		netdev->mc_count, &adapter->mc_cmd_mem);
 done:
 	return;
 }
@@ -2009,34 +2011,61 @@ static void be_ctrl_cleanup(struct be_adapter *adapter)
 	if (mem->va)
 		pci_free_consistent(adapter->pdev, mem->size,
 			mem->va, mem->dma);
+
+	mem = &adapter->mc_cmd_mem;
+	if (mem->va)
+		pci_free_consistent(adapter->pdev, mem->size,
+			mem->va, mem->dma);
 }
 
 static int be_ctrl_init(struct be_adapter *adapter)
 {
 	struct be_dma_mem *mbox_mem_alloc = &adapter->mbox_mem_alloced;
 	struct be_dma_mem *mbox_mem_align = &adapter->mbox_mem;
+	struct be_dma_mem *mc_cmd_mem = &adapter->mc_cmd_mem;
 	int status;
 
 	status = be_map_pci_bars(adapter);
 	if (status)
-		return status;
+		goto done;
 
 	mbox_mem_alloc->size = sizeof(struct be_mcc_mailbox) + 16;
 	mbox_mem_alloc->va = pci_alloc_consistent(adapter->pdev,
 				mbox_mem_alloc->size, &mbox_mem_alloc->dma);
 	if (!mbox_mem_alloc->va) {
-		be_unmap_pci_bars(adapter);
-		return -1;
+		status = -ENOMEM;
+		goto unmap_pci_bars;
 	}
+
 	mbox_mem_align->size = sizeof(struct be_mcc_mailbox);
 	mbox_mem_align->va = PTR_ALIGN(mbox_mem_alloc->va, 16);
 	mbox_mem_align->dma = PTR_ALIGN(mbox_mem_alloc->dma, 16);
 	memset(mbox_mem_align->va, 0, sizeof(struct be_mcc_mailbox));
+
+	mc_cmd_mem->size = sizeof(struct be_cmd_req_mcast_mac_config);
+	mc_cmd_mem->va = pci_alloc_consistent(adapter->pdev, mc_cmd_mem->size,
+			&mc_cmd_mem->dma);
+	if (mc_cmd_mem->va == NULL) {
+		status = -ENOMEM;
+		goto free_mbox;
+	}
+	memset(mc_cmd_mem->va, 0, mc_cmd_mem->size);
+
 	spin_lock_init(&adapter->mbox_lock);
 	spin_lock_init(&adapter->mcc_lock);
 	spin_lock_init(&adapter->mcc_cq_lock);
 
 	return 0;
+
+free_mbox:
+	pci_free_consistent(adapter->pdev, mbox_mem_alloc->size,
+		mbox_mem_alloc->va, mbox_mem_alloc->dma);
+
+unmap_pci_bars:
+	be_unmap_pci_bars(adapter);
+
+done:
+	return status;
 }
 
 static void be_stats_cleanup(struct be_adapter *adapter)
-- 
GitLab


From 01ed30da5d2e718df458f1680fd97751a769c1a2 Mon Sep 17 00:00:00 2001
From: Sathya Perla <sathyap@serverengines.com>
Date: Sun, 22 Nov 2009 22:01:31 +0000
Subject: [PATCH 1448/1815] be2net: Fix rx_drops_no_fragments stat being
 incorrectly indexed

Signed-off-by: Sathya Perla <sathyap@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/benet/be_main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index 919fd82ebba..b0ff06e41f7 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -170,7 +170,8 @@ void netdev_stats_update(struct be_adapter *adapter)
 		port_stats->rx_udp_checksum_errs;
 
 	/*  no space in linux buffers: best possible approximation */
-	dev_stats->rx_dropped = erx_stats->rx_drops_no_fragments[0];
+	dev_stats->rx_dropped =
+		erx_stats->rx_drops_no_fragments[adapter->rx_obj.q.id];
 
 	/* detailed rx errors */
 	dev_stats->rx_length_errors = port_stats->rx_in_range_errors +
-- 
GitLab


From 2243e2e95e24f4c4b1c6575b874ebe0b837d2208 Mon Sep 17 00:00:00 2001
From: Sathya Perla <sathyap@serverengines.com>
Date: Sun, 22 Nov 2009 22:02:03 +0000
Subject: [PATCH 1449/1815] be2net: Issue fw_init/clean cmds to fw

These cmds are issued to the fw in probe/resume and remove/suspend
paths to help fw execute some initialization and cleanup code.

This change needed the be_hw_up() code to be refactored as be_get_config().

Signed-off-by: Sathya Perla <sathyap@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/benet/be_cmds.c | 51 +++++++++++++++++++++++++++++++++++++
 drivers/net/benet/be_cmds.h |  2 ++
 drivers/net/benet/be_main.c | 50 ++++++++++++++++++++++++------------
 3 files changed, 87 insertions(+), 16 deletions(-)

diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c
index 31980f863d1..2af87f10030 100644
--- a/drivers/net/benet/be_cmds.c
+++ b/drivers/net/benet/be_cmds.c
@@ -357,6 +357,57 @@ static struct be_mcc_wrb *wrb_from_mccq(struct be_adapter *adapter)
 	return wrb;
 }
 
+/* Tell fw we're about to start firing cmds by writing a
+ * special pattern across the wrb hdr; uses mbox
+ */
+int be_cmd_fw_init(struct be_adapter *adapter)
+{
+	u8 *wrb;
+	int status;
+
+	spin_lock(&adapter->mbox_lock);
+
+	wrb = (u8 *)wrb_from_mbox(adapter);
+	*wrb++ = 0xFF;
+	*wrb++ = 0x12;
+	*wrb++ = 0x34;
+	*wrb++ = 0xFF;
+	*wrb++ = 0xFF;
+	*wrb++ = 0x56;
+	*wrb++ = 0x78;
+	*wrb = 0xFF;
+
+	status = be_mbox_notify_wait(adapter);
+
+	spin_unlock(&adapter->mbox_lock);
+	return status;
+}
+
+/* Tell fw we're done with firing cmds by writing a
+ * special pattern across the wrb hdr; uses mbox
+ */
+int be_cmd_fw_clean(struct be_adapter *adapter)
+{
+	u8 *wrb;
+	int status;
+
+	spin_lock(&adapter->mbox_lock);
+
+	wrb = (u8 *)wrb_from_mbox(adapter);
+	*wrb++ = 0xFF;
+	*wrb++ = 0xAA;
+	*wrb++ = 0xBB;
+	*wrb++ = 0xFF;
+	*wrb++ = 0xFF;
+	*wrb++ = 0xCC;
+	*wrb++ = 0xDD;
+	*wrb = 0xFF;
+
+	status = be_mbox_notify_wait(adapter);
+
+	spin_unlock(&adapter->mbox_lock);
+	return status;
+}
 int be_cmd_eq_create(struct be_adapter *adapter,
 		struct be_queue_info *eq, int eq_delay)
 {
diff --git a/drivers/net/benet/be_cmds.h b/drivers/net/benet/be_cmds.h
index 3b31abc01b5..8ec6528cb05 100644
--- a/drivers/net/benet/be_cmds.h
+++ b/drivers/net/benet/be_cmds.h
@@ -851,3 +851,5 @@ extern int be_cmd_write_flashrom(struct be_adapter *adapter,
 			struct be_dma_mem *cmd, u32 flash_oper,
 			u32 flash_opcode, u32 buf_size);
 extern int be_cmd_get_flash_crc(struct be_adapter *adapter, u8 *flashed_crc);
+extern int be_cmd_fw_init(struct be_adapter *adapter);
+extern int be_cmd_fw_clean(struct be_adapter *adapter);
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index b0ff06e41f7..4635b3fdcc3 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -1682,6 +1682,8 @@ static int be_clear(struct be_adapter *adapter)
 
 	be_cmd_if_destroy(adapter, adapter->if_handle);
 
+	/* tell fw we're done with firing cmds */
+	be_cmd_fw_clean(adapter);
 	return 0;
 }
 
@@ -2117,25 +2119,28 @@ static void __devexit be_remove(struct pci_dev *pdev)
 	free_netdev(adapter->netdev);
 }
 
-static int be_hw_up(struct be_adapter *adapter)
+static int be_get_config(struct be_adapter *adapter)
 {
 	int status;
+	u8 mac[ETH_ALEN];
 
-	status = be_cmd_POST(adapter);
+	status = be_cmd_get_fw_ver(adapter, adapter->fw_ver);
 	if (status)
 		return status;
 
-	status = be_cmd_reset_function(adapter);
+	status = be_cmd_query_fw_cfg(adapter,
+				&adapter->port_num, &adapter->cap);
 	if (status)
 		return status;
 
-	status = be_cmd_get_fw_ver(adapter, adapter->fw_ver);
+	memset(mac, 0, ETH_ALEN);
+	status = be_cmd_mac_addr_query(adapter, mac,
+			MAC_ADDRESS_TYPE_NETWORK, true /*permanent */, 0);
 	if (status)
 		return status;
+	memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN);
 
-	status = be_cmd_query_fw_cfg(adapter,
-				&adapter->port_num, &adapter->cap);
-	return status;
+	return 0;
 }
 
 static int __devinit be_probe(struct pci_dev *pdev,
@@ -2144,7 +2149,6 @@ static int __devinit be_probe(struct pci_dev *pdev,
 	int status = 0;
 	struct be_adapter *adapter;
 	struct net_device *netdev;
-	u8 mac[ETH_ALEN];
 
 	status = pci_enable_device(pdev);
 	if (status)
@@ -2164,6 +2168,8 @@ static int __devinit be_probe(struct pci_dev *pdev,
 	adapter->pdev = pdev;
 	pci_set_drvdata(pdev, adapter);
 	adapter->netdev = netdev;
+	be_netdev_init(netdev);
+	SET_NETDEV_DEV(netdev, &pdev->dev);
 
 	be_msix_enable(adapter);
 
@@ -2182,27 +2188,34 @@ static int __devinit be_probe(struct pci_dev *pdev,
 	if (status)
 		goto free_netdev;
 
-	status = be_stats_init(adapter);
+	/* sync up with fw's ready state */
+	status = be_cmd_POST(adapter);
 	if (status)
 		goto ctrl_clean;
 
-	status = be_hw_up(adapter);
+	/* tell fw we're ready to fire cmds */
+	status = be_cmd_fw_init(adapter);
 	if (status)
-		goto stats_clean;
+		goto ctrl_clean;
+
+	status = be_cmd_reset_function(adapter);
+	if (status)
+		goto ctrl_clean;
 
-	status = be_cmd_mac_addr_query(adapter, mac, MAC_ADDRESS_TYPE_NETWORK,
-			true /* permanent */, 0);
+	status = be_stats_init(adapter);
+	if (status)
+		goto ctrl_clean;
+
+	status = be_get_config(adapter);
 	if (status)
 		goto stats_clean;
-	memcpy(netdev->dev_addr, mac, ETH_ALEN);
 
 	INIT_DELAYED_WORK(&adapter->work, be_worker);
-	be_netdev_init(netdev);
-	SET_NETDEV_DEV(netdev, &adapter->pdev->dev);
 
 	status = be_setup(adapter);
 	if (status)
 		goto stats_clean;
+
 	status = register_netdev(netdev);
 	if (status != 0)
 		goto unsetup;
@@ -2262,6 +2275,11 @@ static int be_resume(struct pci_dev *pdev)
 	pci_set_power_state(pdev, 0);
 	pci_restore_state(pdev);
 
+	/* tell fw we're ready to fire cmds */
+	status = be_cmd_fw_init(adapter);
+	if (status)
+		return status;
+
 	be_setup(adapter);
 	if (netif_running(netdev)) {
 		rtnl_lock();
-- 
GitLab


From 8d56ff11708e5809c644a6d687a5dff4551043b4 Mon Sep 17 00:00:00 2001
From: Sathya Perla <sathyap@serverengines.com>
Date: Sun, 22 Nov 2009 22:02:26 +0000
Subject: [PATCH 1450/1815] be2net: Fix cleanup path in be_probe()

Disabling msix was missing when probe fails after enabling msix.

Signed-off-by: Sathya Perla <sathyap@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/benet/be_main.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index 4635b3fdcc3..79593643949 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -1476,6 +1476,14 @@ static void be_worker(struct work_struct *work)
 	schedule_delayed_work(&adapter->work, msecs_to_jiffies(1000));
 }
 
+static void be_msix_disable(struct be_adapter *adapter)
+{
+	if (adapter->msix_enabled) {
+		pci_disable_msix(adapter->pdev);
+		adapter->msix_enabled = false;
+	}
+}
+
 static void be_msix_enable(struct be_adapter *adapter)
 {
 	int i, status;
@@ -2096,6 +2104,7 @@ static int be_stats_init(struct be_adapter *adapter)
 static void __devexit be_remove(struct pci_dev *pdev)
 {
 	struct be_adapter *adapter = pci_get_drvdata(pdev);
+
 	if (!adapter)
 		return;
 
@@ -2107,10 +2116,7 @@ static void __devexit be_remove(struct pci_dev *pdev)
 
 	be_ctrl_cleanup(adapter);
 
-	if (adapter->msix_enabled) {
-		pci_disable_msix(adapter->pdev);
-		adapter->msix_enabled = false;
-	}
+	be_msix_disable(adapter);
 
 	pci_set_drvdata(pdev, NULL);
 	pci_release_regions(pdev);
@@ -2230,7 +2236,9 @@ stats_clean:
 ctrl_clean:
 	be_ctrl_cleanup(adapter);
 free_netdev:
+	be_msix_disable(adapter);
 	free_netdev(adapter->netdev);
+	pci_set_drvdata(pdev, NULL);
 rel_reg:
 	pci_release_regions(pdev);
 disable_dev:
-- 
GitLab


From 713d039426a80ed78e71294cfb5d0a009bb20b42 Mon Sep 17 00:00:00 2001
From: Sathya Perla <sathyap@serverengines.com>
Date: Sun, 22 Nov 2009 22:02:45 +0000
Subject: [PATCH 1451/1815] be2net: remove BUG_ON() when be2net runs out of
 mccq wrbs

The driver can run out of mccq wrbs when completions don't arrive
due to an unresponsive card. This must not hit a BUG_ON(); instead
log a msg and return an error.

Signed-off-by: Sathya Perla <sathyap@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/benet/be_cmds.c | 89 +++++++++++++++++++++++++++++++++++--
 1 file changed, 85 insertions(+), 4 deletions(-)

diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c
index 2af87f10030..8bd53156004 100644
--- a/drivers/net/benet/be_cmds.c
+++ b/drivers/net/benet/be_cmds.c
@@ -349,7 +349,11 @@ static struct be_mcc_wrb *wrb_from_mccq(struct be_adapter *adapter)
 	struct be_queue_info *mccq = &adapter->mcc_obj.q;
 	struct be_mcc_wrb *wrb;
 
-	BUG_ON(atomic_read(&mccq->used) >= mccq->len);
+	if (atomic_read(&mccq->used) >= mccq->len) {
+		dev_err(&adapter->pdev->dev, "Out of MCCQ wrbs\n");
+		return NULL;
+	}
+
 	wrb = queue_head_node(mccq);
 	queue_head_inc(mccq);
 	atomic_inc(&mccq->used);
@@ -499,6 +503,10 @@ int be_cmd_pmac_add(struct be_adapter *adapter, u8 *mac_addr,
 	spin_lock_bh(&adapter->mcc_lock);
 
 	wrb = wrb_from_mccq(adapter);
+	if (!wrb) {
+		status = -EBUSY;
+		goto err;
+	}
 	req = embedded_payload(wrb);
 
 	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@@ -515,6 +523,7 @@ int be_cmd_pmac_add(struct be_adapter *adapter, u8 *mac_addr,
 		*pmac_id = le32_to_cpu(resp->pmac_id);
 	}
 
+err:
 	spin_unlock_bh(&adapter->mcc_lock);
 	return status;
 }
@@ -529,6 +538,10 @@ int be_cmd_pmac_del(struct be_adapter *adapter, u32 if_id, u32 pmac_id)
 	spin_lock_bh(&adapter->mcc_lock);
 
 	wrb = wrb_from_mccq(adapter);
+	if (!wrb) {
+		status = -EBUSY;
+		goto err;
+	}
 	req = embedded_payload(wrb);
 
 	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@@ -541,8 +554,8 @@ int be_cmd_pmac_del(struct be_adapter *adapter, u32 if_id, u32 pmac_id)
 
 	status = be_mcc_notify_wait(adapter);
 
+err:
 	spin_unlock_bh(&adapter->mcc_lock);
-
 	return status;
 }
 
@@ -861,10 +874,15 @@ int be_cmd_get_stats(struct be_adapter *adapter, struct be_dma_mem *nonemb_cmd)
 	struct be_mcc_wrb *wrb;
 	struct be_cmd_req_get_stats *req;
 	struct be_sge *sge;
+	int status = 0;
 
 	spin_lock_bh(&adapter->mcc_lock);
 
 	wrb = wrb_from_mccq(adapter);
+	if (!wrb) {
+		status = -EBUSY;
+		goto err;
+	}
 	req = nonemb_cmd->va;
 	sge = nonembedded_sgl(wrb);
 
@@ -879,8 +897,9 @@ int be_cmd_get_stats(struct be_adapter *adapter, struct be_dma_mem *nonemb_cmd)
 
 	be_mcc_notify(adapter);
 
+err:
 	spin_unlock_bh(&adapter->mcc_lock);
-	return 0;
+	return status;
 }
 
 /* Uses synchronous mcc */
@@ -894,6 +913,10 @@ int be_cmd_link_status_query(struct be_adapter *adapter,
 	spin_lock_bh(&adapter->mcc_lock);
 
 	wrb = wrb_from_mccq(adapter);
+	if (!wrb) {
+		status = -EBUSY;
+		goto err;
+	}
 	req = embedded_payload(wrb);
 
 	*link_up = false;
@@ -913,6 +936,7 @@ int be_cmd_link_status_query(struct be_adapter *adapter,
 		}
 	}
 
+err:
 	spin_unlock_bh(&adapter->mcc_lock);
 	return status;
 }
@@ -951,10 +975,15 @@ int be_cmd_modify_eqd(struct be_adapter *adapter, u32 eq_id, u32 eqd)
 {
 	struct be_mcc_wrb *wrb;
 	struct be_cmd_req_modify_eq_delay *req;
+	int status = 0;
 
 	spin_lock_bh(&adapter->mcc_lock);
 
 	wrb = wrb_from_mccq(adapter);
+	if (!wrb) {
+		status = -EBUSY;
+		goto err;
+	}
 	req = embedded_payload(wrb);
 
 	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@@ -969,8 +998,9 @@ int be_cmd_modify_eqd(struct be_adapter *adapter, u32 eq_id, u32 eqd)
 
 	be_mcc_notify(adapter);
 
+err:
 	spin_unlock_bh(&adapter->mcc_lock);
-	return 0;
+	return status;
 }
 
 /* Uses sycnhronous mcc */
@@ -984,6 +1014,10 @@ int be_cmd_vlan_config(struct be_adapter *adapter, u32 if_id, u16 *vtag_array,
 	spin_lock_bh(&adapter->mcc_lock);
 
 	wrb = wrb_from_mccq(adapter);
+	if (!wrb) {
+		status = -EBUSY;
+		goto err;
+	}
 	req = embedded_payload(wrb);
 
 	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@@ -1002,6 +1036,7 @@ int be_cmd_vlan_config(struct be_adapter *adapter, u32 if_id, u16 *vtag_array,
 
 	status = be_mcc_notify_wait(adapter);
 
+err:
 	spin_unlock_bh(&adapter->mcc_lock);
 	return status;
 }
@@ -1018,6 +1053,10 @@ int be_cmd_promiscuous_config(struct be_adapter *adapter, u8 port_num, bool en)
 	spin_lock_bh(&adapter->mcc_lock);
 
 	wrb = wrb_from_mccq(adapter);
+	if (!wrb) {
+		status = -EBUSY;
+		goto err;
+	}
 	req = embedded_payload(wrb);
 
 	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@@ -1032,6 +1071,7 @@ int be_cmd_promiscuous_config(struct be_adapter *adapter, u8 port_num, bool en)
 
 	status = be_mcc_notify_wait(adapter);
 
+err:
 	spin_unlock_bh(&adapter->mcc_lock);
 	return status;
 }
@@ -1052,6 +1092,10 @@ int be_cmd_multicast_set(struct be_adapter *adapter, u32 if_id,
 	spin_lock_bh(&adapter->mcc_lock);
 
 	wrb = wrb_from_mccq(adapter);
+	if (!wrb) {
+		status = -EBUSY;
+		goto err;
+	}
 	sge = nonembedded_sgl(wrb);
 	memset(req, 0, sizeof(*req));
 
@@ -1078,6 +1122,7 @@ int be_cmd_multicast_set(struct be_adapter *adapter, u32 if_id,
 
 	status = be_mcc_notify_wait(adapter);
 
+err:
 	spin_unlock_bh(&adapter->mcc_lock);
 	return status;
 }
@@ -1092,6 +1137,10 @@ int be_cmd_set_flow_control(struct be_adapter *adapter, u32 tx_fc, u32 rx_fc)
 	spin_lock_bh(&adapter->mcc_lock);
 
 	wrb = wrb_from_mccq(adapter);
+	if (!wrb) {
+		status = -EBUSY;
+		goto err;
+	}
 	req = embedded_payload(wrb);
 
 	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@@ -1104,6 +1153,7 @@ int be_cmd_set_flow_control(struct be_adapter *adapter, u32 tx_fc, u32 rx_fc)
 
 	status = be_mcc_notify_wait(adapter);
 
+err:
 	spin_unlock_bh(&adapter->mcc_lock);
 	return status;
 }
@@ -1118,6 +1168,10 @@ int be_cmd_get_flow_control(struct be_adapter *adapter, u32 *tx_fc, u32 *rx_fc)
 	spin_lock_bh(&adapter->mcc_lock);
 
 	wrb = wrb_from_mccq(adapter);
+	if (!wrb) {
+		status = -EBUSY;
+		goto err;
+	}
 	req = embedded_payload(wrb);
 
 	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@@ -1133,6 +1187,7 @@ int be_cmd_get_flow_control(struct be_adapter *adapter, u32 *tx_fc, u32 *rx_fc)
 		*rx_fc = le16_to_cpu(resp->rx_flow_control);
 	}
 
+err:
 	spin_unlock_bh(&adapter->mcc_lock);
 	return status;
 }
@@ -1199,6 +1254,10 @@ int be_cmd_set_beacon_state(struct be_adapter *adapter, u8 port_num,
 	spin_lock_bh(&adapter->mcc_lock);
 
 	wrb = wrb_from_mccq(adapter);
+	if (!wrb) {
+		status = -EBUSY;
+		goto err;
+	}
 	req = embedded_payload(wrb);
 
 	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@@ -1213,6 +1272,7 @@ int be_cmd_set_beacon_state(struct be_adapter *adapter, u8 port_num,
 
 	status = be_mcc_notify_wait(adapter);
 
+err:
 	spin_unlock_bh(&adapter->mcc_lock);
 	return status;
 }
@@ -1227,6 +1287,10 @@ int be_cmd_get_beacon_state(struct be_adapter *adapter, u8 port_num, u32 *state)
 	spin_lock_bh(&adapter->mcc_lock);
 
 	wrb = wrb_from_mccq(adapter);
+	if (!wrb) {
+		status = -EBUSY;
+		goto err;
+	}
 	req = embedded_payload(wrb);
 
 	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@@ -1243,6 +1307,7 @@ int be_cmd_get_beacon_state(struct be_adapter *adapter, u8 port_num, u32 *state)
 		*state = resp->beacon_state;
 	}
 
+err:
 	spin_unlock_bh(&adapter->mcc_lock);
 	return status;
 }
@@ -1258,6 +1323,10 @@ int be_cmd_read_port_type(struct be_adapter *adapter, u32 port,
 	spin_lock_bh(&adapter->mcc_lock);
 
 	wrb = wrb_from_mccq(adapter);
+	if (!wrb) {
+		status = -EBUSY;
+		goto err;
+	}
 	req = embedded_payload(wrb);
 
 	be_wrb_hdr_prepare(wrb, sizeof(struct be_cmd_resp_port_type), true, 0);
@@ -1273,6 +1342,7 @@ int be_cmd_read_port_type(struct be_adapter *adapter, u32 port,
 			*connector = resp->data.connector;
 	}
 
+err:
 	spin_unlock_bh(&adapter->mcc_lock);
 	return status;
 }
@@ -1288,6 +1358,11 @@ int be_cmd_write_flashrom(struct be_adapter *adapter, struct be_dma_mem *cmd,
 	spin_lock_bh(&adapter->mcc_lock);
 
 	wrb = wrb_from_mccq(adapter);
+	if (!wrb) {
+		status = -EBUSY;
+		goto err;
+	}
+	req = cmd->va;
 	sge = nonembedded_sgl(wrb);
 
 	be_wrb_hdr_prepare(wrb, cmd->size, false, 1);
@@ -1304,6 +1379,7 @@ int be_cmd_write_flashrom(struct be_adapter *adapter, struct be_dma_mem *cmd,
 
 	status = be_mcc_notify_wait(adapter);
 
+err:
 	spin_unlock_bh(&adapter->mcc_lock);
 	return status;
 }
@@ -1317,6 +1393,10 @@ int be_cmd_get_flash_crc(struct be_adapter *adapter, u8 *flashed_crc)
 	spin_lock_bh(&adapter->mcc_lock);
 
 	wrb = wrb_from_mccq(adapter);
+	if (!wrb) {
+		status = -EBUSY;
+		goto err;
+	}
 	req = embedded_payload(wrb);
 
 	be_wrb_hdr_prepare(wrb, sizeof(*req)+4, true, 0);
@@ -1333,6 +1413,7 @@ int be_cmd_get_flash_crc(struct be_adapter *adapter, u8 *flashed_crc)
 	if (!status)
 		memcpy(flashed_crc, req->params.data_buf, 4);
 
+err:
 	spin_unlock_bh(&adapter->mcc_lock);
 	return status;
 }
-- 
GitLab


From 94b982b2e4be9661fe1c3893aa780a711b09cd30 Mon Sep 17 00:00:00 2001
From: Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com>
Date: Mon, 23 Nov 2009 06:32:06 +0000
Subject: [PATCH 1452/1815] ixgbe: Modify 82599 HWRSC statistics counters

Divide 82599 HWRSC counters into aggregated and flushed to count number of
packets getting coalesced per TCP connection.

Signed-off-by:  Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ixgbe/ixgbe.h         |  4 +++-
 drivers/net/ixgbe/ixgbe_ethtool.c |  3 ++-
 drivers/net/ixgbe/ixgbe_main.c    | 25 +++++++++++++++++++------
 3 files changed, 24 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h
index 7eb08a6d3f9..76b052fa364 100644
--- a/drivers/net/ixgbe/ixgbe.h
+++ b/drivers/net/ixgbe/ixgbe.h
@@ -159,6 +159,7 @@ struct ixgbe_ring {
 	struct ixgbe_queue_stats stats;
 	unsigned long reinit_state;
 	u64 rsc_count;			/* stat for coalesced packets */
+	u64 rsc_flush;			/* stats for flushed packets */
 
 	unsigned int size;		/* length in bytes */
 	dma_addr_t dma;			/* phys. address of descriptor ring */
@@ -375,7 +376,8 @@ struct ixgbe_adapter {
 #ifdef IXGBE_FCOE
 	struct ixgbe_fcoe fcoe;
 #endif /* IXGBE_FCOE */
-	u64 rsc_count;
+	u64 rsc_total_count;
+	u64 rsc_total_flush;
 	u32 wol;
 	u16 eeprom_version;
 };
diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c
index 74f04e18354..84ab4db7074 100644
--- a/drivers/net/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ixgbe/ixgbe_ethtool.c
@@ -79,7 +79,8 @@ static struct ixgbe_stats ixgbe_gstrings_stats[] = {
 	{"rx_over_errors", IXGBE_NETDEV_STAT(stats.rx_over_errors)},
 	{"rx_crc_errors", IXGBE_NETDEV_STAT(stats.rx_crc_errors)},
 	{"rx_frame_errors", IXGBE_NETDEV_STAT(stats.rx_frame_errors)},
-	{"hw_rsc_count", IXGBE_STAT(rsc_count)},
+	{"hw_rsc_aggregated", IXGBE_STAT(rsc_total_count)},
+	{"hw_rsc_flushed", IXGBE_STAT(rsc_total_flush)},
 	{"fdir_match", IXGBE_STAT(stats.fdirmatch)},
 	{"fdir_miss", IXGBE_STAT(stats.fdirmiss)},
 	{"rx_fifo_errors", IXGBE_NETDEV_STAT(stats.rx_fifo_errors)},
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index ebcec30e078..ffd1f163970 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -729,12 +729,14 @@ static inline u32 ixgbe_get_rsc_count(union ixgbe_adv_rx_desc *rx_desc)
 /**
  * ixgbe_transform_rsc_queue - change rsc queue into a full packet
  * @skb: pointer to the last skb in the rsc queue
+ * @count: pointer to number of packets coalesced in this context
  *
  * This function changes a queue full of hw rsc buffers into a completed
  * packet.  It uses the ->prev pointers to find the first packet and then
  * turns it into the frag list owner.
  **/
-static inline struct sk_buff *ixgbe_transform_rsc_queue(struct sk_buff *skb)
+static inline struct sk_buff *ixgbe_transform_rsc_queue(struct sk_buff *skb,
+                                                        u64 *count)
 {
 	unsigned int frag_list_size = 0;
 
@@ -743,6 +745,7 @@ static inline struct sk_buff *ixgbe_transform_rsc_queue(struct sk_buff *skb)
 		frag_list_size += skb->len;
 		skb->prev = NULL;
 		skb = prev;
+		*count += 1;
 	}
 
 	skb_shinfo(skb)->frag_list = skb->next;
@@ -845,14 +848,20 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
 			u32 nextp = (staterr & IXGBE_RXDADV_NEXTP_MASK) >>
 				     IXGBE_RXDADV_NEXTP_SHIFT;
 			next_buffer = &rx_ring->rx_buffer_info[nextp];
-			rx_ring->rsc_count += (rsc_count - 1);
 		} else {
 			next_buffer = &rx_ring->rx_buffer_info[i];
 		}
 
 		if (staterr & IXGBE_RXD_STAT_EOP) {
 			if (skb->prev)
-				skb = ixgbe_transform_rsc_queue(skb);
+				skb = ixgbe_transform_rsc_queue(skb, &(rx_ring->rsc_count));
+			if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
+				if (rx_ring->flags & IXGBE_RING_RX_PS_ENABLED)
+					rx_ring->rsc_count += skb_shinfo(skb)->nr_frags;
+				else
+					rx_ring->rsc_count++;
+				rx_ring->rsc_flush++;
+			}
 			rx_ring->stats.packets++;
 			rx_ring->stats.bytes += skb->len;
 		} else {
@@ -4474,14 +4483,18 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter)
 	u64 total_mpc = 0;
 	u32 i, missed_rx = 0, mpc, bprc, lxon, lxoff, xon_off_tot;
 
-	if (hw->mac.type == ixgbe_mac_82599EB) {
+	if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
 		u64 rsc_count = 0;
+		u64 rsc_flush = 0;
 		for (i = 0; i < 16; i++)
 			adapter->hw_rx_no_dma_resources +=
 			                     IXGBE_READ_REG(hw, IXGBE_QPRDC(i));
-		for (i = 0; i < adapter->num_rx_queues; i++)
+		for (i = 0; i < adapter->num_rx_queues; i++) {
 			rsc_count += adapter->rx_ring[i].rsc_count;
-		adapter->rsc_count = rsc_count;
+			rsc_flush += adapter->rx_ring[i].rsc_flush;
+		}
+		adapter->rsc_total_count = rsc_count;
+		adapter->rsc_total_flush = rsc_flush;
 	}
 
 	adapter->stats.crcerrs += IXGBE_READ_REG(hw, IXGBE_CRCERRS);
-- 
GitLab


From edd2ea5559737e5239d5c80fa1a55b8bc440470b Mon Sep 17 00:00:00 2001
From: Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com>
Date: Mon, 23 Nov 2009 10:45:11 -0800
Subject: [PATCH 1453/1815] ixgbe: Use rx buffer length from rx ring for
 configuring rscctl

While configuring rscctl use rx buffer length from rx ring structure
instead of passing rx_buf_len to ixgbe_configure_rscctl

Signed-off-by: Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ixgbe/ixgbe_main.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index ffd1f163970..a3a2a9a3df8 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -2066,18 +2066,18 @@ static u32 ixgbe_setup_mrqc(struct ixgbe_adapter *adapter)
  * ixgbe_configure_rscctl - enable RSC for the indicated ring
  * @adapter:    address of board private structure
  * @index:      index of ring to set
- * @rx_buf_len: rx buffer length
  **/
-static void ixgbe_configure_rscctl(struct ixgbe_adapter *adapter, int index,
-                                   int rx_buf_len)
+static void ixgbe_configure_rscctl(struct ixgbe_adapter *adapter, int index)
 {
 	struct ixgbe_ring *rx_ring;
 	struct ixgbe_hw *hw = &adapter->hw;
 	int j;
 	u32 rscctrl;
+	int rx_buf_len;
 
 	rx_ring = &adapter->rx_ring[index];
 	j = rx_ring->reg_idx;
+	rx_buf_len = rx_ring->rx_buf_len;
 	rscctrl = IXGBE_READ_REG(hw, IXGBE_RSCCTL(j));
 	rscctrl |= IXGBE_RSCCTL_RSCEN;
 	/*
@@ -2285,7 +2285,7 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
 	if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
 		/* Enable 82599 HW-RSC */
 		for (i = 0; i < adapter->num_rx_queues; i++)
-			ixgbe_configure_rscctl(adapter, i, rx_buf_len);
+			ixgbe_configure_rscctl(adapter, i);
 
 		/* Disable RSC for ACK packets */
 		IXGBE_WRITE_REG(hw, IXGBE_RSCDBU,
-- 
GitLab


From dc63d3771cc6492220f53caf5fded6090d45d9ce Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Mon, 23 Nov 2009 06:32:57 +0000
Subject: [PATCH 1454/1815] ixgbe: Only set/clear VFE in ixgbe_set_rx_mode

There appears to be a stray setting of the VFE bit when registering vlans.
This should not be done as vlan filtering should be enabled any time the
interface is not in promiscous mode

Signed-off-by:  Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ixgbe/ixgbe_main.c | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index a3a2a9a3df8..5182b289343 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -2336,23 +2336,25 @@ static void ixgbe_vlan_rx_register(struct net_device *netdev,
 	 * not in DCB mode.
 	 */
 	ctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_VLNCTRL);
+
+	/* Disable CFI check */
+	ctrl &= ~IXGBE_VLNCTRL_CFIEN;
+
+	/* enable VLAN tag stripping */
 	if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
-		ctrl |= IXGBE_VLNCTRL_VME | IXGBE_VLNCTRL_VFE;
-		ctrl &= ~IXGBE_VLNCTRL_CFIEN;
-		IXGBE_WRITE_REG(&adapter->hw, IXGBE_VLNCTRL, ctrl);
+		ctrl |= IXGBE_VLNCTRL_VME;
 	} else if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
-		ctrl |= IXGBE_VLNCTRL_VFE;
-		/* enable VLAN tag insert/strip */
-		ctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_VLNCTRL);
-		ctrl &= ~IXGBE_VLNCTRL_CFIEN;
-		IXGBE_WRITE_REG(&adapter->hw, IXGBE_VLNCTRL, ctrl);
 		for (i = 0; i < adapter->num_rx_queues; i++) {
+			u32 ctrl;
 			j = adapter->rx_ring[i].reg_idx;
 			ctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_RXDCTL(j));
 			ctrl |= IXGBE_RXDCTL_VME;
 			IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXDCTL(j), ctrl);
 		}
 	}
+
+	IXGBE_WRITE_REG(&adapter->hw, IXGBE_VLNCTRL, ctrl);
+
 	ixgbe_vlan_rx_add_vid(netdev, 0);
 
 	if (!test_bit(__IXGBE_DOWN, &adapter->state))
-- 
GitLab


From 475cba4ec8ee6b427cc3567692e6f48dd483c069 Mon Sep 17 00:00:00 2001
From: Wei Yongjun <yjwei@cn.fujitsu.com>
Date: Mon, 23 Nov 2009 15:53:52 -0500
Subject: [PATCH 1455/1815] sctp: implement definition for SACK-IMMEDIATELY
 extension

This patch implement the definition for SACK-IMMEDIATELY
extension.

Section 3.  The I-bit in the DATA Chunk Header

   The following Figure 1 shows the extended DATA chunk.

    0                   1                   2                   3
    0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
   |   Type = 0    |  Res  |I|U|B|E|           Length              |
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
   |                              TSN                              |
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
   |        Stream Identifier      |     Stream Sequence Number    |
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
   |                  Payload Protocol Identifier                  |
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
   \                                                               \
   /                           User Data                           /
   \                                                               \
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

                                 Figure 1

   The only difference between the DATA chunk in Figure 1 and the DATA
   chunk defined in [RFC4960] is the addition of the I-bit in the flags
   field of the chunk header.

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
---
 include/linux/sctp.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/sctp.h b/include/linux/sctp.h
index b464b9d3d24..c20d3ce673c 100644
--- a/include/linux/sctp.h
+++ b/include/linux/sctp.h
@@ -242,6 +242,7 @@ enum {
 	SCTP_DATA_FIRST_FRAG	= 0x02,
 	SCTP_DATA_NOT_FRAG	= 0x03,
 	SCTP_DATA_UNORDERED	= 0x04,
+	SCTP_DATA_SACK_IMM	= 0x08,
 };
 enum { SCTP_DATA_FRAG_MASK = 0x03, };
 
-- 
GitLab


From 6dc7694f9df20f148076d82d00cb3663afb0b000 Mon Sep 17 00:00:00 2001
From: Wei Yongjun <yjwei@cn.fujitsu.com>
Date: Mon, 23 Nov 2009 15:53:53 -0500
Subject: [PATCH 1456/1815] sctp: implement the receiver side for
 SACK-IMMEDIATELY extension

This patch implement the receiver side for SACK-IMMEDIATELY
extension:

  Section 4.2.  Receiver Side Considerations

  On reception of an SCTP packet containing a DATA chunk with the I-bit
  set, the receiver SHOULD NOT delay the sending of the corresponding
  SACK chunk and SHOULD send it back immediately.

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
---
 net/sctp/sm_statefuns.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index d4df45022ff..8ee24c9dc7e 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -2868,6 +2868,7 @@ sctp_disposition_t sctp_sf_eat_data_6_2(const struct sctp_endpoint *ep,
 					sctp_cmd_seq_t *commands)
 {
 	struct sctp_chunk *chunk = arg;
+	sctp_arg_t force = SCTP_NOFORCE();
 	int error;
 
 	if (!sctp_vtag_verify(chunk, asoc)) {
@@ -2901,6 +2902,9 @@ sctp_disposition_t sctp_sf_eat_data_6_2(const struct sctp_endpoint *ep,
 		BUG();
 	}
 
+	if (chunk->chunk_hdr->flags & SCTP_DATA_SACK_IMM)
+		force = SCTP_FORCE();
+
 	if (asoc->autoclose) {
 		sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_RESTART,
 				SCTP_TO(SCTP_EVENT_TIMEOUT_AUTOCLOSE));
@@ -2929,7 +2933,7 @@ sctp_disposition_t sctp_sf_eat_data_6_2(const struct sctp_endpoint *ep,
 	 * more aggressive than the following algorithms allow.
 	 */
 	if (chunk->end_of_packet)
-		sctp_add_cmd_sf(commands, SCTP_CMD_GEN_SACK, SCTP_NOFORCE());
+		sctp_add_cmd_sf(commands, SCTP_CMD_GEN_SACK, force);
 
 	return SCTP_DISPOSITION_CONSUME;
 
@@ -2954,7 +2958,7 @@ discard_force:
 
 discard_noforce:
 	if (chunk->end_of_packet)
-		sctp_add_cmd_sf(commands, SCTP_CMD_GEN_SACK, SCTP_NOFORCE());
+		sctp_add_cmd_sf(commands, SCTP_CMD_GEN_SACK, force);
 
 	return SCTP_DISPOSITION_DISCARD;
 consume:
-- 
GitLab


From b93d6471748de2ce02cc24774b774deb306a57a8 Mon Sep 17 00:00:00 2001
From: Wei Yongjun <yjwei@cn.fujitsu.com>
Date: Mon, 23 Nov 2009 15:53:56 -0500
Subject: [PATCH 1457/1815] sctp: implement the sender side for
 SACK-IMMEDIATELY extension

This patch implement the sender side for SACK-IMMEDIATELY
extension.

  Section 4.1.  Sender Side Considerations

  Whenever the sender of a DATA chunk can benefit from the
  corresponding SACK chunk being sent back without delay, the sender
  MAY set the I-bit in the DATA chunk header.

  Reasons for setting the I-bit include

  o  The sender is in the SHUTDOWN-PENDING state.

  o  The application requests to set the I-bit of the last DATA chunk
     of a user message when providing the user message to the SCTP
     implementation.

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
---
 include/net/sctp/user.h |  1 +
 net/sctp/chunk.c        | 15 ++++++++++++++-
 net/sctp/outqueue.c     |  7 +++++++
 3 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/include/net/sctp/user.h b/include/net/sctp/user.h
index be2334aaf52..50b2431405f 100644
--- a/include/net/sctp/user.h
+++ b/include/net/sctp/user.h
@@ -206,6 +206,7 @@ enum sctp_sinfo_flags {
 	SCTP_UNORDERED = 1,  /* Send/receive message unordered. */
 	SCTP_ADDR_OVER = 2,  /* Override the primary destination. */
 	SCTP_ABORT=4,        /* Send an ABORT message to the peer. */
+	SCTP_SACK_IMMEDIATELY = 8,	/* SACK should be sent without delay */
 	SCTP_EOF=MSG_FIN,    /* Initiate graceful shutdown process. */	
 };
 
diff --git a/net/sctp/chunk.c b/net/sctp/chunk.c
index acf7c4d128f..8e4320040f0 100644
--- a/net/sctp/chunk.c
+++ b/net/sctp/chunk.c
@@ -263,9 +263,18 @@ struct sctp_datamsg *sctp_datamsg_from_user(struct sctp_association *asoc,
 		if (0 == i)
 			frag |= SCTP_DATA_FIRST_FRAG;
 
-		if ((i == (whole - 1)) && !over)
+		if ((i == (whole - 1)) && !over) {
 			frag |= SCTP_DATA_LAST_FRAG;
 
+			/* The application requests to set the I-bit of the
+			 * last DATA chunk of a user message when providing
+			 * the user message to the SCTP implementation.
+			 */
+			if ((sinfo->sinfo_flags & SCTP_EOF) ||
+			    (sinfo->sinfo_flags & SCTP_SACK_IMMEDIATELY))
+				frag |= SCTP_DATA_SACK_IMM;
+		}
+
 		chunk = sctp_make_datafrag_empty(asoc, sinfo, len, frag, 0);
 
 		if (!chunk)
@@ -297,6 +306,10 @@ struct sctp_datamsg *sctp_datamsg_from_user(struct sctp_association *asoc,
 		else
 			frag = SCTP_DATA_LAST_FRAG;
 
+		if ((sinfo->sinfo_flags & SCTP_EOF) ||
+		    (sinfo->sinfo_flags & SCTP_SACK_IMMEDIATELY))
+			frag |= SCTP_DATA_SACK_IMM;
+
 		chunk = sctp_make_datafrag_empty(asoc, sinfo, over, frag, 0);
 
 		if (!chunk)
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index c9f20e28521..5732661c87d 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -1011,6 +1011,13 @@ static int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
 				break;
 
 			case SCTP_XMIT_OK:
+				/* The sender is in the SHUTDOWN-PENDING state,
+				 * The sender MAY set the I-bit in the DATA
+				 * chunk header.
+				 */
+				if (asoc->state == SCTP_STATE_SHUTDOWN_PENDING)
+					chunk->chunk_hdr->flags |= SCTP_DATA_SACK_IMM;
+
 				break;
 
 			default:
-- 
GitLab


From 6383cfb3ed3c5c0bea06da0099c219ef4237ecf5 Mon Sep 17 00:00:00 2001
From: Vlad Yasevich <vladislav.yasevich@hp.com>
Date: Mon, 23 Nov 2009 15:53:56 -0500
Subject: [PATCH 1458/1815] sctp: Fix malformed "Invalid Stream Identifier"
 error

The "Invalid Stream Identifier" error has a 16 bit reserved
field at the end, thus making the parameter length be 8 bytes.
We've never supplied that reserved field making wireshark
tag the packet as malformed.

Reported-by: Chris Dischino <cdischino@sonusnet.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
---
 include/net/sctp/sm.h    |  3 ++-
 net/sctp/sm_make_chunk.c | 13 +++++++++----
 net/sctp/sm_statefuns.c  | 13 ++++++++-----
 3 files changed, 19 insertions(+), 10 deletions(-)

diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h
index c1dd8936583..851c813adb3 100644
--- a/include/net/sctp/sm.h
+++ b/include/net/sctp/sm.h
@@ -243,7 +243,8 @@ struct sctp_chunk *sctp_make_op_error(const struct sctp_association *,
 				 const struct sctp_chunk *chunk,
 				 __be16 cause_code,
 				 const void *payload,
-				 size_t paylen);
+				 size_t paylen,
+				 size_t reserve_tail);
 
 struct sctp_chunk *sctp_make_asconf_update_ip(struct sctp_association *,
 					      union sctp_addr *,
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 9d881a61ac0..9e732916b67 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -987,7 +987,10 @@ static void *sctp_addto_param(struct sctp_chunk *chunk, int len,
 
 	target = skb_put(chunk->skb, len);
 
-	memcpy(target, data, len);
+	if (data)
+		memcpy(target, data, len);
+	else
+		memset(target, 0, len);
 
 	/* Adjust the chunk length field.  */
 	chunk->chunk_hdr->length = htons(chunklen + len);
@@ -1129,16 +1132,18 @@ nodata:
 struct sctp_chunk *sctp_make_op_error(const struct sctp_association *asoc,
 				 const struct sctp_chunk *chunk,
 				 __be16 cause_code, const void *payload,
-				 size_t paylen)
+				 size_t paylen, size_t reserve_tail)
 {
 	struct sctp_chunk *retval;
 
-	retval = sctp_make_op_error_space(asoc, chunk, paylen);
+	retval = sctp_make_op_error_space(asoc, chunk, paylen + reserve_tail);
 	if (!retval)
 		goto nodata;
 
-	sctp_init_cause(retval, cause_code, paylen);
+	sctp_init_cause(retval, cause_code, paylen + reserve_tail);
 	sctp_addto_chunk(retval, paylen, payload);
+	if (reserve_tail)
+		sctp_addto_param(retval, reserve_tail, NULL);
 
 nodata:
 	return retval;
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 8ee24c9dc7e..16a603527df 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -1720,7 +1720,7 @@ static sctp_disposition_t sctp_sf_do_dupcook_a(const struct sctp_endpoint *ep,
 
 		err = sctp_make_op_error(asoc, chunk,
 					 SCTP_ERROR_COOKIE_IN_SHUTDOWN,
-					 NULL, 0);
+					 NULL, 0, 0);
 		if (err)
 			sctp_add_cmd_sf(commands, SCTP_CMD_REPLY,
 					SCTP_CHUNK(err));
@@ -3977,7 +3977,7 @@ sctp_disposition_t sctp_sf_eat_auth(const struct sctp_endpoint *ep,
 			err_chunk = sctp_make_op_error(asoc, chunk,
 							SCTP_ERROR_UNSUP_HMAC,
 							&auth_hdr->hmac_id,
-							sizeof(__u16));
+							sizeof(__u16), 0);
 			if (err_chunk) {
 				sctp_add_cmd_sf(commands, SCTP_CMD_REPLY,
 						SCTP_CHUNK(err_chunk));
@@ -4069,7 +4069,8 @@ sctp_disposition_t sctp_sf_unk_chunk(const struct sctp_endpoint *ep,
 		hdr = unk_chunk->chunk_hdr;
 		err_chunk = sctp_make_op_error(asoc, unk_chunk,
 					       SCTP_ERROR_UNKNOWN_CHUNK, hdr,
-					       WORD_ROUND(ntohs(hdr->length)));
+					       WORD_ROUND(ntohs(hdr->length)),
+					       0);
 		if (err_chunk) {
 			sctp_add_cmd_sf(commands, SCTP_CMD_REPLY,
 					SCTP_CHUNK(err_chunk));
@@ -4088,7 +4089,8 @@ sctp_disposition_t sctp_sf_unk_chunk(const struct sctp_endpoint *ep,
 		hdr = unk_chunk->chunk_hdr;
 		err_chunk = sctp_make_op_error(asoc, unk_chunk,
 					       SCTP_ERROR_UNKNOWN_CHUNK, hdr,
-					       WORD_ROUND(ntohs(hdr->length)));
+					       WORD_ROUND(ntohs(hdr->length)),
+					       0);
 		if (err_chunk) {
 			sctp_add_cmd_sf(commands, SCTP_CMD_REPLY,
 					SCTP_CHUNK(err_chunk));
@@ -6052,7 +6054,8 @@ static int sctp_eat_data(const struct sctp_association *asoc,
 
 		err = sctp_make_op_error(asoc, chunk, SCTP_ERROR_INV_STRM,
 					 &data_hdr->stream,
-					 sizeof(data_hdr->stream));
+					 sizeof(data_hdr->stream),
+					 sizeof(u16));
 		if (err)
 			sctp_add_cmd_sf(commands, SCTP_CMD_REPLY,
 					SCTP_CHUNK(err));
-- 
GitLab


From e0e9db178a5ba4dbb5f16f958f1affbdc63d2cc4 Mon Sep 17 00:00:00 2001
From: Vlad Yasevich <vladislav.yasevich@hp.com>
Date: Mon, 23 Nov 2009 15:53:57 -0500
Subject: [PATCH 1459/1815] sctp: Select a working primary during
 sctp_connectx()

When sctp_connectx() is used, we pick the first address as
primary, even though it may not have worked.  This results
in excessive retransmits and poor performance.  We should
select the address that the association was established with.

Reported-by: Thomas Dreibholz <dreibh@iem.uni-due.de>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
---
 net/sctp/associola.c     | 6 ++++++
 net/sctp/sm_sideeffect.c | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 7eed77a39d0..8e755ebff3b 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -512,7 +512,13 @@ void sctp_assoc_set_primary(struct sctp_association *asoc,
 	 * to this destination address earlier. The sender MUST set
 	 * CYCLING_CHANGEOVER to indicate that this switch is a
 	 * double switch to the same destination address.
+	 *
+	 * Really, only bother is we have data queued or outstanding on
+	 * the association.
 	 */
+	if (!asoc->outqueue.outstanding_bytes && !asoc->outqueue.out_qlen)
+		return;
+
 	if (transport->cacc.changeover_active)
 		transport->cacc.cycling_changeover = changeover;
 
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 8674d491955..eda4fe783be 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -1418,6 +1418,8 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
 			asoc->init_last_sent_to = t;
 			chunk->transport = t;
 			t->init_sent_count++;
+			/* Set the new transport as primary */
+			sctp_assoc_set_primary(asoc, t);
 			break;
 
 		case SCTP_CMD_INIT_RESTART:
-- 
GitLab


From 90f2f5318b3a5b0898fef0fec9b91376c7de7a2c Mon Sep 17 00:00:00 2001
From: Vlad Yasevich <vladislav.yasevich@hp.com>
Date: Mon, 23 Nov 2009 15:53:57 -0500
Subject: [PATCH 1460/1815] sctp: Update SWS avaoidance receiver side algorithm

We currently send window update SACKs every time we free up 1 PMTU
worth of data.  That a lot more SACKs then necessary.  Instead, we'll
now send back the actuall window every time we send a sack, and do
window-update SACKs when a fraction of the receive buffer has been
opened.  The fraction is controlled with a sysctl.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
---
 include/net/sctp/constants.h |  4 ++++
 include/net/sctp/structs.h   |  6 ++++++
 net/sctp/associola.c         |  5 +++--
 net/sctp/protocol.c          |  3 +++
 net/sctp/sm_sideeffect.c     |  3 +--
 net/sctp/sysctl.c            | 13 +++++++++++++
 6 files changed, 30 insertions(+), 4 deletions(-)

diff --git a/include/net/sctp/constants.h b/include/net/sctp/constants.h
index 58f714a3b67..63908840eef 100644
--- a/include/net/sctp/constants.h
+++ b/include/net/sctp/constants.h
@@ -308,6 +308,10 @@ enum { SCTP_MAX_GABS = 16 };
 
 #define SCTP_DEFAULT_MINWINDOW	1500	/* default minimum rwnd size */
 #define SCTP_DEFAULT_MAXWINDOW	65535	/* default rwnd size */
+#define SCTP_DEFAULT_RWND_SHIFT  4	/* by default, update on 1/16 of
+					 * rcvbuf, which is 1/8 of initial
+					 * window
+					 */
 #define SCTP_DEFAULT_MAXSEGMENT 1500	/* MTU size, this is the limit
                                          * to which we will raise the P-MTU.
 					 */
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index cd2e18778f8..90876b65777 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -231,6 +231,11 @@ extern struct sctp_globals {
 	/* Flag to indicate whether computing and verifying checksum
 	 * is disabled. */
         int checksum_disable;
+
+	/* Threshold for rwnd update SACKS.  Receive buffer shifted this many
+	 * bits is an indicator of when to send and window update SACK.
+	 */
+	int rwnd_update_shift;
 } sctp_globals;
 
 #define sctp_rto_initial		(sctp_globals.rto_initial)
@@ -267,6 +272,7 @@ extern struct sctp_globals {
 #define sctp_prsctp_enable		(sctp_globals.prsctp_enable)
 #define sctp_auth_enable		(sctp_globals.auth_enable)
 #define sctp_checksum_disable		(sctp_globals.checksum_disable)
+#define sctp_rwnd_upd_shift		(sctp_globals.rwnd_update_shift)
 
 /* SCTP Socket type: UDP or TCP style. */
 typedef enum {
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 8e755ebff3b..37e982510be 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -1383,8 +1383,9 @@ static inline int sctp_peer_needs_update(struct sctp_association *asoc)
 	case SCTP_STATE_SHUTDOWN_RECEIVED:
 	case SCTP_STATE_SHUTDOWN_SENT:
 		if ((asoc->rwnd > asoc->a_rwnd) &&
-		    ((asoc->rwnd - asoc->a_rwnd) >=
-		     min_t(__u32, (asoc->base.sk->sk_rcvbuf >> 1), asoc->pathmtu)))
+		    ((asoc->rwnd - asoc->a_rwnd) >= max_t(__u32,
+			   (asoc->base.sk->sk_rcvbuf >> sctp_rwnd_upd_shift),
+			   asoc->pathmtu)))
 			return 1;
 		break;
 	default:
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 08ef203d36a..a3c8988758b 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -1258,6 +1258,9 @@ SCTP_STATIC __init int sctp_init(void)
 	/* Set SCOPE policy to enabled */
 	sctp_scope_policy = SCTP_SCOPE_POLICY_ENABLE;
 
+	/* Set the default rwnd update threshold */
+	sctp_rwnd_upd_shift		= SCTP_DEFAULT_RWND_SHIFT;
+
 	sctp_sysctl_register();
 
 	INIT_LIST_HEAD(&sctp_address_families);
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index eda4fe783be..8ae67098e09 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -217,8 +217,7 @@ static int sctp_gen_sack(struct sctp_association *asoc, int force,
 		sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_RESTART,
 				SCTP_TO(SCTP_EVENT_TIMEOUT_SACK));
 	} else {
-		if (asoc->a_rwnd > asoc->rwnd)
-			asoc->a_rwnd = asoc->rwnd;
+		asoc->a_rwnd = asoc->rwnd;
 		sack = sctp_make_sack(asoc);
 		if (!sack)
 			goto nomem;
diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c
index ab7151da120..ae03ded2bf1 100644
--- a/net/sctp/sysctl.c
+++ b/net/sctp/sysctl.c
@@ -52,6 +52,7 @@ static int int_max = INT_MAX;
 static int sack_timer_min = 1;
 static int sack_timer_max = 500;
 static int addr_scope_max = 3; /* check sctp_scope_policy_t in include/net/sctp/constants.h for max entries */
+static int rwnd_scale_max = 16;
 
 extern int sysctl_sctp_mem[3];
 extern int sysctl_sctp_rmem[3];
@@ -284,6 +285,18 @@ static ctl_table sctp_table[] = {
 		.extra1		= &zero,
 		.extra2		= &addr_scope_max,
 	},
+	{
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "rwnd_update_shift",
+		.data		= &sctp_rwnd_upd_shift,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &proc_dointvec_minmax,
+		.strategy	= &sysctl_intvec,
+		.extra1		= &one,
+		.extra2		= &rwnd_scale_max,
+	},
+
 	{ .ctl_name = 0 }
 };
 
-- 
GitLab


From 37051f73862d15862aecc08b887b2884137af327 Mon Sep 17 00:00:00 2001
From: Andrei Pelinescu-Onciul <andrei@iptel.org>
Date: Mon, 23 Nov 2009 15:53:57 -0500
Subject: [PATCH 1461/1815] sctp: allow setting path_maxrxt independent of
 SPP_PMTUD_ENABLE

Since draft-ietf-tsvwg-sctpsocket-15.txt, setting the
SPP_MTUD_ENABLE flag when changing pathmaxrxt via the
SCTP_PEER_ADDR_PARAMS setsockopt is not required any
longer.

Signed-off-by: Andrei Pelinescu-Onciul <andrei@iptel.org>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
---
 net/sctp/socket.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 66b1f02b17b..a4577a75c6c 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -2311,11 +2311,10 @@ static int sctp_apply_peer_addr_params(struct sctp_paddrparams *params,
 		}
 	}
 
-	/* Note that unless the spp_flag is set to SPP_PMTUD_ENABLE the value
-	 * of this field is ignored.  Note also that a value of zero
-	 * indicates the current setting should be left unchanged.
+	/* Note that a value of zero indicates the current setting should be
+	   left unchanged.
 	 */
-	if ((params->spp_flags & SPP_PMTUD_ENABLE) && params->spp_pathmaxrxt) {
+	if (params->spp_pathmaxrxt) {
 		if (trans) {
 			trans->pathmaxrxt = params->spp_pathmaxrxt;
 		} else if (asoc) {
-- 
GitLab


From a242b41dedfe0fd51ab1c906daa703c09b196744 Mon Sep 17 00:00:00 2001
From: Amerigo Wang <amwang@redhat.com>
Date: Mon, 23 Nov 2009 15:53:58 -0500
Subject: [PATCH 1462/1815] sctp: remove deprecated SCTP_GET_*_OLD stuffs

SCTP_GET_*_OLD stuffs are schedlued to be removed.

Cc: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: WANG Cong <amwang@redhat.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
---
 Documentation/feature-removal-schedule.txt |  12 -
 include/net/sctp/user.h                    |   8 -
 net/sctp/socket.c                          | 325 ---------------------
 3 files changed, 345 deletions(-)

diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
index bc693fffabe..72ae06f73ac 100644
--- a/Documentation/feature-removal-schedule.txt
+++ b/Documentation/feature-removal-schedule.txt
@@ -302,18 +302,6 @@ Who:	ocfs2-devel@oss.oracle.com
 
 ---------------------------
 
-What:	SCTP_GET_PEER_ADDRS_NUM_OLD, SCTP_GET_PEER_ADDRS_OLD,
-	SCTP_GET_LOCAL_ADDRS_NUM_OLD, SCTP_GET_LOCAL_ADDRS_OLD
-When: 	June 2009
-Why:    A newer version of the options have been introduced in 2005 that
-	removes the limitions of the old API.  The sctp library has been
-        converted to use these new options at the same time.  Any user
-	space app that directly uses the old options should convert to using
-	the new options.
-Who:	Vlad Yasevich <vladislav.yasevich@hp.com>
-
----------------------------
-
 What:	Ability for non root users to shm_get hugetlb pages based on mlock
 	resource limits
 When:	2.6.31
diff --git a/include/net/sctp/user.h b/include/net/sctp/user.h
index 50b2431405f..fceab4d2413 100644
--- a/include/net/sctp/user.h
+++ b/include/net/sctp/user.h
@@ -131,14 +131,6 @@ enum sctp_optname {
 #define SCTP_SOCKOPT_BINDX_REM	SCTP_SOCKOPT_BINDX_REM
 	SCTP_SOCKOPT_PEELOFF, 	/* peel off association. */
 #define SCTP_SOCKOPT_PEELOFF	SCTP_SOCKOPT_PEELOFF
-	SCTP_GET_PEER_ADDRS_NUM_OLD, 	/* Get number of peer addresss. */
-#define SCTP_GET_PEER_ADDRS_NUM_OLD	SCTP_GET_PEER_ADDRS_NUM_OLD
-	SCTP_GET_PEER_ADDRS_OLD, 	/* Get all peer addresss. */
-#define SCTP_GET_PEER_ADDRS_OLD	SCTP_GET_PEER_ADDRS_OLD
-	SCTP_GET_LOCAL_ADDRS_NUM_OLD, 	/* Get number of local addresss. */
-#define SCTP_GET_LOCAL_ADDRS_NUM_OLD	SCTP_GET_LOCAL_ADDRS_NUM_OLD
-	SCTP_GET_LOCAL_ADDRS_OLD, 	/* Get all local addresss. */
-#define SCTP_GET_LOCAL_ADDRS_OLD	SCTP_GET_LOCAL_ADDRS_OLD
 	SCTP_SOCKOPT_CONNECTX_OLD, /* CONNECTX old requests. */
 #define SCTP_SOCKOPT_CONNECTX_OLD	SCTP_SOCKOPT_CONNECTX_OLD
 	SCTP_GET_PEER_ADDRS, 	/* Get all peer addresss. */
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index a4577a75c6c..d2681a6bc6f 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -4348,90 +4348,6 @@ static int sctp_getsockopt_initmsg(struct sock *sk, int len, char __user *optval
 	return 0;
 }
 
-static int sctp_getsockopt_peer_addrs_num_old(struct sock *sk, int len,
-					      char __user *optval,
-					      int __user *optlen)
-{
-	sctp_assoc_t id;
-	struct sctp_association *asoc;
-	struct list_head *pos;
-	int cnt = 0;
-
-	if (len < sizeof(sctp_assoc_t))
-		return -EINVAL;
-
-	if (copy_from_user(&id, optval, sizeof(sctp_assoc_t)))
-		return -EFAULT;
-
-	printk(KERN_WARNING "SCTP: Use of SCTP_GET_PEER_ADDRS_NUM_OLD "
-			    "socket option deprecated\n");
-	/* For UDP-style sockets, id specifies the association to query.  */
-	asoc = sctp_id2assoc(sk, id);
-	if (!asoc)
-		return -EINVAL;
-
-	list_for_each(pos, &asoc->peer.transport_addr_list) {
-		cnt ++;
-	}
-
-	return cnt;
-}
-
-/*
- * Old API for getting list of peer addresses. Does not work for 32-bit
- * programs running on a 64-bit kernel
- */
-static int sctp_getsockopt_peer_addrs_old(struct sock *sk, int len,
-					  char __user *optval,
-					  int __user *optlen)
-{
-	struct sctp_association *asoc;
-	int cnt = 0;
-	struct sctp_getaddrs_old getaddrs;
-	struct sctp_transport *from;
-	void __user *to;
-	union sctp_addr temp;
-	struct sctp_sock *sp = sctp_sk(sk);
-	int addrlen;
-
-	if (len < sizeof(struct sctp_getaddrs_old))
-		return -EINVAL;
-
-	len = sizeof(struct sctp_getaddrs_old);
-
-	if (copy_from_user(&getaddrs, optval, len))
-		return -EFAULT;
-
-	if (getaddrs.addr_num <= 0) return -EINVAL;
-
-	printk(KERN_WARNING "SCTP: Use of SCTP_GET_PEER_ADDRS_OLD "
-			    "socket option deprecated\n");
-
-	/* For UDP-style sockets, id specifies the association to query.  */
-	asoc = sctp_id2assoc(sk, getaddrs.assoc_id);
-	if (!asoc)
-		return -EINVAL;
-
-	to = (void __user *)getaddrs.addrs;
-	list_for_each_entry(from, &asoc->peer.transport_addr_list,
-				transports) {
-		memcpy(&temp, &from->ipaddr, sizeof(temp));
-		sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, &temp);
-		addrlen = sctp_get_af_specific(sk->sk_family)->sockaddr_len;
-		if (copy_to_user(to, &temp, addrlen))
-			return -EFAULT;
-		to += addrlen ;
-		cnt ++;
-		if (cnt >= getaddrs.addr_num) break;
-	}
-	getaddrs.addr_num = cnt;
-	if (put_user(len, optlen))
-		return -EFAULT;
-	if (copy_to_user(optval, &getaddrs, len))
-		return -EFAULT;
-
-	return 0;
-}
 
 static int sctp_getsockopt_peer_addrs(struct sock *sk, int len,
 				      char __user *optval, int __user *optlen)
@@ -4484,125 +4400,6 @@ static int sctp_getsockopt_peer_addrs(struct sock *sk, int len,
 	return 0;
 }
 
-static int sctp_getsockopt_local_addrs_num_old(struct sock *sk, int len,
-					       char __user *optval,
-					       int __user *optlen)
-{
-	sctp_assoc_t id;
-	struct sctp_bind_addr *bp;
-	struct sctp_association *asoc;
-	struct sctp_sockaddr_entry *addr;
-	int cnt = 0;
-
-	if (len < sizeof(sctp_assoc_t))
-		return -EINVAL;
-
-	if (copy_from_user(&id, optval, sizeof(sctp_assoc_t)))
-		return -EFAULT;
-
-	printk(KERN_WARNING "SCTP: Use of SCTP_GET_LOCAL_ADDRS_NUM_OLD "
-			    "socket option deprecated\n");
-
-	/*
-	 *  For UDP-style sockets, id specifies the association to query.
-	 *  If the id field is set to the value '0' then the locally bound
-	 *  addresses are returned without regard to any particular
-	 *  association.
-	 */
-	if (0 == id) {
-		bp = &sctp_sk(sk)->ep->base.bind_addr;
-	} else {
-		asoc = sctp_id2assoc(sk, id);
-		if (!asoc)
-			return -EINVAL;
-		bp = &asoc->base.bind_addr;
-	}
-
-	/* If the endpoint is bound to 0.0.0.0 or ::0, count the valid
-	 * addresses from the global local address list.
-	 */
-	if (sctp_list_single_entry(&bp->address_list)) {
-		addr = list_entry(bp->address_list.next,
-				  struct sctp_sockaddr_entry, list);
-		if (sctp_is_any(sk, &addr->a)) {
-			rcu_read_lock();
-			list_for_each_entry_rcu(addr,
-						&sctp_local_addr_list, list) {
-				if (!addr->valid)
-					continue;
-
-				if ((PF_INET == sk->sk_family) &&
-				    (AF_INET6 == addr->a.sa.sa_family))
-					continue;
-
-				if ((PF_INET6 == sk->sk_family) &&
-				    inet_v6_ipv6only(sk) &&
-				    (AF_INET == addr->a.sa.sa_family))
-					continue;
-
-				cnt++;
-			}
-			rcu_read_unlock();
-		} else {
-			cnt = 1;
-		}
-		goto done;
-	}
-
-	/* Protection on the bound address list is not needed,
-	 * since in the socket option context we hold the socket lock,
-	 * so there is no way that the bound address list can change.
-	 */
-	list_for_each_entry(addr, &bp->address_list, list) {
-		cnt ++;
-	}
-done:
-	return cnt;
-}
-
-/* Helper function that copies local addresses to user and returns the number
- * of addresses copied.
- */
-static int sctp_copy_laddrs_old(struct sock *sk, __u16 port,
-					int max_addrs, void *to,
-					int *bytes_copied)
-{
-	struct sctp_sockaddr_entry *addr;
-	union sctp_addr temp;
-	int cnt = 0;
-	int addrlen;
-
-	rcu_read_lock();
-	list_for_each_entry_rcu(addr, &sctp_local_addr_list, list) {
-		if (!addr->valid)
-			continue;
-
-		if ((PF_INET == sk->sk_family) &&
-		    (AF_INET6 == addr->a.sa.sa_family))
-			continue;
-		if ((PF_INET6 == sk->sk_family) &&
-		    inet_v6_ipv6only(sk) &&
-		    (AF_INET == addr->a.sa.sa_family))
-			continue;
-		memcpy(&temp, &addr->a, sizeof(temp));
-		if (!temp.v4.sin_port)
-			temp.v4.sin_port = htons(port);
-
-		sctp_get_pf_specific(sk->sk_family)->addr_v4map(sctp_sk(sk),
-								&temp);
-		addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len;
-		memcpy(to, &temp, addrlen);
-
-		to += addrlen;
-		*bytes_copied += addrlen;
-		cnt ++;
-		if (cnt >= max_addrs) break;
-	}
-	rcu_read_unlock();
-
-	return cnt;
-}
-
 static int sctp_copy_laddrs(struct sock *sk, __u16 port, void *to,
 			    size_t space_left, int *bytes_copied)
 {
@@ -4646,112 +4443,6 @@ static int sctp_copy_laddrs(struct sock *sk, __u16 port, void *to,
 	return cnt;
 }
 
-/* Old API for getting list of local addresses. Does not work for 32-bit
- * programs running on a 64-bit kernel
- */
-static int sctp_getsockopt_local_addrs_old(struct sock *sk, int len,
-					   char __user *optval, int __user *optlen)
-{
-	struct sctp_bind_addr *bp;
-	struct sctp_association *asoc;
-	int cnt = 0;
-	struct sctp_getaddrs_old getaddrs;
-	struct sctp_sockaddr_entry *addr;
-	void __user *to;
-	union sctp_addr temp;
-	struct sctp_sock *sp = sctp_sk(sk);
-	int addrlen;
-	int err = 0;
-	void *addrs;
-	void *buf;
-	int bytes_copied = 0;
-
-	if (len < sizeof(struct sctp_getaddrs_old))
-		return -EINVAL;
-
-	len = sizeof(struct sctp_getaddrs_old);
-	if (copy_from_user(&getaddrs, optval, len))
-		return -EFAULT;
-
-	if (getaddrs.addr_num <= 0 ||
-	    getaddrs.addr_num >= (INT_MAX / sizeof(union sctp_addr)))
-		return -EINVAL;
-
-	printk(KERN_WARNING "SCTP: Use of SCTP_GET_LOCAL_ADDRS_OLD "
-			    "socket option deprecated\n");
-
-	/*
-	 *  For UDP-style sockets, id specifies the association to query.
-	 *  If the id field is set to the value '0' then the locally bound
-	 *  addresses are returned without regard to any particular
-	 *  association.
-	 */
-	if (0 == getaddrs.assoc_id) {
-		bp = &sctp_sk(sk)->ep->base.bind_addr;
-	} else {
-		asoc = sctp_id2assoc(sk, getaddrs.assoc_id);
-		if (!asoc)
-			return -EINVAL;
-		bp = &asoc->base.bind_addr;
-	}
-
-	to = getaddrs.addrs;
-
-	/* Allocate space for a local instance of packed array to hold all
-	 * the data.  We store addresses here first and then put write them
-	 * to the user in one shot.
-	 */
-	addrs = kmalloc(sizeof(union sctp_addr) * getaddrs.addr_num,
-			GFP_KERNEL);
-	if (!addrs)
-		return -ENOMEM;
-
-	/* If the endpoint is bound to 0.0.0.0 or ::0, get the valid
-	 * addresses from the global local address list.
-	 */
-	if (sctp_list_single_entry(&bp->address_list)) {
-		addr = list_entry(bp->address_list.next,
-				  struct sctp_sockaddr_entry, list);
-		if (sctp_is_any(sk, &addr->a)) {
-			cnt = sctp_copy_laddrs_old(sk, bp->port,
-						   getaddrs.addr_num,
-						   addrs, &bytes_copied);
-			goto copy_getaddrs;
-		}
-	}
-
-	buf = addrs;
-	/* Protection on the bound address list is not needed since
-	 * in the socket option context we hold a socket lock and
-	 * thus the bound address list can't change.
-	 */
-	list_for_each_entry(addr, &bp->address_list, list) {
-		memcpy(&temp, &addr->a, sizeof(temp));
-		sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, &temp);
-		addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len;
-		memcpy(buf, &temp, addrlen);
-		buf += addrlen;
-		bytes_copied += addrlen;
-		cnt ++;
-		if (cnt >= getaddrs.addr_num) break;
-	}
-
-copy_getaddrs:
-	/* copy the entire address list into the user provided space */
-	if (copy_to_user(to, addrs, bytes_copied)) {
-		err = -EFAULT;
-		goto error;
-	}
-
-	/* copy the leading structure back to user */
-	getaddrs.addr_num = cnt;
-	if (copy_to_user(optval, &getaddrs, len))
-		err = -EFAULT;
-
-error:
-	kfree(addrs);
-	return err;
-}
 
 static int sctp_getsockopt_local_addrs(struct sock *sk, int len,
 				       char __user *optval, int __user *optlen)
@@ -5602,22 +5293,6 @@ SCTP_STATIC int sctp_getsockopt(struct sock *sk, int level, int optname,
 	case SCTP_INITMSG:
 		retval = sctp_getsockopt_initmsg(sk, len, optval, optlen);
 		break;
-	case SCTP_GET_PEER_ADDRS_NUM_OLD:
-		retval = sctp_getsockopt_peer_addrs_num_old(sk, len, optval,
-							    optlen);
-		break;
-	case SCTP_GET_LOCAL_ADDRS_NUM_OLD:
-		retval = sctp_getsockopt_local_addrs_num_old(sk, len, optval,
-							     optlen);
-		break;
-	case SCTP_GET_PEER_ADDRS_OLD:
-		retval = sctp_getsockopt_peer_addrs_old(sk, len, optval,
-							optlen);
-		break;
-	case SCTP_GET_LOCAL_ADDRS_OLD:
-		retval = sctp_getsockopt_local_addrs_old(sk, len, optval,
-							 optlen);
-		break;
 	case SCTP_GET_PEER_ADDRS:
 		retval = sctp_getsockopt_peer_addrs(sk, len, optval,
 						    optlen);
-- 
GitLab


From 245cba7e55929dc2b10b7d915bfba0168eeeed17 Mon Sep 17 00:00:00 2001
From: Vlad Yasevich <vladislav.yasevich@hp.com>
Date: Mon, 23 Nov 2009 15:53:58 -0500
Subject: [PATCH 1463/1815] sctp: Remove useless last_time_used variable

The transport last_time_used variable is rather useless.
It was only used when determining if CWND needs to be updated
due to idle transport.  However, idle transport detection was
based on a Heartbeat timer and last_time_used was not incremented
when sending Heartbeats.  As a result the check for cwnd reduction
was always true.  We can get rid of the variable and just base
our cwnd manipulation on the HB timer (like the code comment sais).
We also have to call into the cwnd manipulation function regardless
of whether HBs are enabled or not.  That way we will detect idle
transports if the user has disabled Heartbeats.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
---
 include/net/sctp/structs.h | 6 ------
 net/sctp/output.c          | 2 --
 net/sctp/sm_statefuns.c    | 5 +++--
 net/sctp/transport.c       | 7 ++-----
 4 files changed, 5 insertions(+), 15 deletions(-)

diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 90876b65777..ac794a6823e 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -950,12 +950,6 @@ struct sctp_transport {
 	/* Source address. */
 	union sctp_addr saddr;
 
-	/* When was the last time(in jiffies) that a data packet was sent on
-	 * this transport?  This is used to adjust the cwnd when the transport
-	 * becomes inactive.
-	 */
-	unsigned long last_time_used;
-
 	/* Heartbeat interval: The endpoint sends out a Heartbeat chunk to
 	 * the destination address every heartbeat interval.
 	 */
diff --git a/net/sctp/output.c b/net/sctp/output.c
index 5cbda8f1ddf..9e8e0ea844b 100644
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -557,8 +557,6 @@ int sctp_packet_transmit(struct sctp_packet *packet)
 		struct timer_list *timer;
 		unsigned long timeout;
 
-		tp->last_time_used = jiffies;
-
 		/* Restart the AUTOCLOSE timer when sending data. */
 		if (sctp_state(asoc, ESTABLISHED) && asoc->autoclose) {
 			timer = &asoc->timers[SCTP_EVENT_TIMEOUT_AUTOCLOSE];
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 16a603527df..1ef9de9bbae 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -996,14 +996,15 @@ sctp_disposition_t sctp_sf_sendbeat_8_3(const struct sctp_endpoint *ep,
 				sctp_sf_heartbeat(ep, asoc, type, arg,
 						  commands))
 			return SCTP_DISPOSITION_NOMEM;
+
 		/* Set transport error counter and association error counter
 		 * when sending heartbeat.
 		 */
-		sctp_add_cmd_sf(commands, SCTP_CMD_TRANSPORT_IDLE,
-				SCTP_TRANSPORT(transport));
 		sctp_add_cmd_sf(commands, SCTP_CMD_TRANSPORT_HB_SENT,
 				SCTP_TRANSPORT(transport));
 	}
+	sctp_add_cmd_sf(commands, SCTP_CMD_TRANSPORT_IDLE,
+			SCTP_TRANSPORT(transport));
 	sctp_add_cmd_sf(commands, SCTP_CMD_HB_TIMER_UPDATE,
 			SCTP_TRANSPORT(transport));
 
diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index 3b141bb32fa..2df29cbdaf5 100644
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -83,7 +83,6 @@ static struct sctp_transport *sctp_transport_init(struct sctp_transport *peer,
 	peer->fast_recovery = 0;
 
 	peer->last_time_heard = jiffies;
-	peer->last_time_used = jiffies;
 	peer->last_time_ecne_reduced = jiffies;
 
 	peer->init_sent_count = 0;
@@ -565,10 +564,8 @@ void sctp_transport_lower_cwnd(struct sctp_transport *transport,
 		 * to be done every RTO interval, we do it every hearbeat
 		 * interval.
 		 */
-		if (time_after(jiffies, transport->last_time_used +
-					transport->rto))
-			transport->cwnd = max(transport->cwnd/2,
-						 4*transport->asoc->pathmtu);
+		transport->cwnd = max(transport->cwnd/2,
+					 4*transport->asoc->pathmtu);
 		break;
 	}
 
-- 
GitLab


From a5b03ad2143c5bc9ae76533e8321fe66258b4f35 Mon Sep 17 00:00:00 2001
From: Vlad Yasevich <vladislav.yasevich@hp.com>
Date: Mon, 23 Nov 2009 15:53:59 -0500
Subject: [PATCH 1464/1815] sctp: Turn the enum socket options into defines

Recent attempt to remove deprecated socket options demonstrated
that removing options from the enum space will have severe
binary compatibility issues.  The reason is that it changes
the subsequent enum space and causes option values to be redefined.
To solve this, and to get rid of the ugly double statements for
every option, we simply convert to the #define scheme.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
---
 include/net/sctp/user.h | 125 ++++++++++++++--------------------------
 1 file changed, 43 insertions(+), 82 deletions(-)

diff --git a/include/net/sctp/user.h b/include/net/sctp/user.h
index fceab4d2413..2b2769c5ca9 100644
--- a/include/net/sctp/user.h
+++ b/include/net/sctp/user.h
@@ -60,88 +60,49 @@ typedef __s32 sctp_assoc_t;
 /* The following symbols come from the Sockets API Extensions for
  * SCTP <draft-ietf-tsvwg-sctpsocket-07.txt>.
  */
-enum sctp_optname {
-	SCTP_RTOINFO,
-#define SCTP_RTOINFO SCTP_RTOINFO
-	SCTP_ASSOCINFO,
-#define SCTP_ASSOCINFO SCTP_ASSOCINFO
-	SCTP_INITMSG,
-#define SCTP_INITMSG SCTP_INITMSG
-	SCTP_NODELAY, 	/* Get/set nodelay option. */
-#define SCTP_NODELAY	SCTP_NODELAY
-	SCTP_AUTOCLOSE,
-#define SCTP_AUTOCLOSE SCTP_AUTOCLOSE
-	SCTP_SET_PEER_PRIMARY_ADDR, 
-#define SCTP_SET_PEER_PRIMARY_ADDR SCTP_SET_PEER_PRIMARY_ADDR
-	SCTP_PRIMARY_ADDR,
-#define SCTP_PRIMARY_ADDR SCTP_PRIMARY_ADDR
-	SCTP_ADAPTATION_LAYER,
-#define SCTP_ADAPTATION_LAYER SCTP_ADAPTATION_LAYER
-	SCTP_DISABLE_FRAGMENTS,
-#define SCTP_DISABLE_FRAGMENTS SCTP_DISABLE_FRAGMENTS
-	SCTP_PEER_ADDR_PARAMS,
-#define SCTP_PEER_ADDR_PARAMS SCTP_PEER_ADDR_PARAMS
-	SCTP_DEFAULT_SEND_PARAM,
-#define SCTP_DEFAULT_SEND_PARAM SCTP_DEFAULT_SEND_PARAM
-	SCTP_EVENTS,
-#define SCTP_EVENTS SCTP_EVENTS
-	SCTP_I_WANT_MAPPED_V4_ADDR,  /* Turn on/off mapped v4 addresses  */
-#define SCTP_I_WANT_MAPPED_V4_ADDR SCTP_I_WANT_MAPPED_V4_ADDR
-	SCTP_MAXSEG, 	/* Get/set maximum fragment. */
-#define SCTP_MAXSEG 	SCTP_MAXSEG
-	SCTP_STATUS,
-#define SCTP_STATUS SCTP_STATUS
-	SCTP_GET_PEER_ADDR_INFO,
-#define SCTP_GET_PEER_ADDR_INFO SCTP_GET_PEER_ADDR_INFO
-	SCTP_DELAYED_ACK,
-#define SCTP_DELAYED_ACK_TIME SCTP_DELAYED_ACK
-#define SCTP_DELAYED_ACK SCTP_DELAYED_ACK
-	SCTP_CONTEXT,	/* Receive Context */
-#define SCTP_CONTEXT SCTP_CONTEXT
-	SCTP_FRAGMENT_INTERLEAVE,
-#define SCTP_FRAGMENT_INTERLEAVE SCTP_FRAGMENT_INTERLEAVE
-	SCTP_PARTIAL_DELIVERY_POINT,	/* Set/Get partial delivery point */
-#define SCTP_PARTIAL_DELIVERY_POINT SCTP_PARTIAL_DELIVERY_POINT
-	SCTP_MAX_BURST,		/* Set/Get max burst */
-#define SCTP_MAX_BURST SCTP_MAX_BURST
-	SCTP_AUTH_CHUNK,	/* Set only: add a chunk type to authenticat */
-#define SCTP_AUTH_CHUNK SCTP_AUTH_CHUNK
-	SCTP_HMAC_IDENT,
-#define SCTP_HMAC_IDENT SCTP_HMAC_IDENT
-	SCTP_AUTH_KEY,
-#define SCTP_AUTH_KEY SCTP_AUTH_KEY
-	SCTP_AUTH_ACTIVE_KEY,
-#define SCTP_AUTH_ACTIVE_KEY SCTP_AUTH_ACTIVE_KEY
-	SCTP_AUTH_DELETE_KEY,
-#define SCTP_AUTH_DELETE_KEY SCTP_AUTH_DELETE_KEY
-	SCTP_PEER_AUTH_CHUNKS,		/* Read only */
-#define SCTP_PEER_AUTH_CHUNKS SCTP_PEER_AUTH_CHUNKS
-	SCTP_LOCAL_AUTH_CHUNKS,		/* Read only */
-#define SCTP_LOCAL_AUTH_CHUNKS SCTP_LOCAL_AUTH_CHUNKS
-	SCTP_GET_ASSOC_NUMBER,		/* Read only */
-#define SCTP_GET_ASSOC_NUMBER SCTP_GET_ASSOC_NUMBER
-
-
-	/* Internal Socket Options. Some of the sctp library functions are 
-	 * implemented using these socket options.
-	 */
-	SCTP_SOCKOPT_BINDX_ADD = 100,/* BINDX requests for adding addresses. */
-#define SCTP_SOCKOPT_BINDX_ADD	SCTP_SOCKOPT_BINDX_ADD
-	SCTP_SOCKOPT_BINDX_REM, /* BINDX requests for removing addresses. */
-#define SCTP_SOCKOPT_BINDX_REM	SCTP_SOCKOPT_BINDX_REM
-	SCTP_SOCKOPT_PEELOFF, 	/* peel off association. */
-#define SCTP_SOCKOPT_PEELOFF	SCTP_SOCKOPT_PEELOFF
-	SCTP_SOCKOPT_CONNECTX_OLD, /* CONNECTX old requests. */
-#define SCTP_SOCKOPT_CONNECTX_OLD	SCTP_SOCKOPT_CONNECTX_OLD
-	SCTP_GET_PEER_ADDRS, 	/* Get all peer addresss. */
-#define SCTP_GET_PEER_ADDRS	SCTP_GET_PEER_ADDRS
-	SCTP_GET_LOCAL_ADDRS, 	/* Get all local addresss. */
-#define SCTP_GET_LOCAL_ADDRS	SCTP_GET_LOCAL_ADDRS
-	SCTP_SOCKOPT_CONNECTX, /* CONNECTX requests. */
-#define SCTP_SOCKOPT_CONNECTX	SCTP_SOCKOPT_CONNECTX
-	SCTP_SOCKOPT_CONNECTX3, /* CONNECTX requests. (new implementation) */
-#define SCTP_SOCKOPT_CONNECTX3	SCTP_SOCKOPT_CONNECTX3
-};
+#define SCTP_RTOINFO	0
+#define SCTP_ASSOCINFO  1
+#define SCTP_INITMSG	2
+#define SCTP_NODELAY	3		/* Get/set nodelay option. */
+#define SCTP_AUTOCLOSE	4
+#define SCTP_SET_PEER_PRIMARY_ADDR 5
+#define SCTP_PRIMARY_ADDR	6
+#define SCTP_ADAPTATION_LAYER	7
+#define SCTP_DISABLE_FRAGMENTS	8
+#define SCTP_PEER_ADDR_PARAMS	9
+#define SCTP_DEFAULT_SEND_PARAM	10
+#define SCTP_EVENTS	11
+#define SCTP_I_WANT_MAPPED_V4_ADDR 12	/* Turn on/off mapped v4 addresses  */
+#define SCTP_MAXSEG	13		/* Get/set maximum fragment. */
+#define SCTP_STATUS	14
+#define SCTP_GET_PEER_ADDR_INFO	15
+#define SCTP_DELAYED_ACK_TIME	16
+#define SCTP_DELAYED_ACK SCTP_DELAYED_ACK_TIME
+#define SCTP_CONTEXT	17
+#define SCTP_FRAGMENT_INTERLEAVE	18
+#define SCTP_PARTIAL_DELIVERY_POINT	19 /* Set/Get partial delivery point */
+#define SCTP_MAX_BURST	20		/* Set/Get max burst */
+#define SCTP_AUTH_CHUNK	21	/* Set only: add a chunk type to authenticate */
+#define SCTP_HMAC_IDENT	22
+#define SCTP_AUTH_KEY	23
+#define SCTP_AUTH_ACTIVE_KEY	24
+#define SCTP_AUTH_DELETE_KEY	25
+#define SCTP_PEER_AUTH_CHUNKS	26	/* Read only */
+#define SCTP_LOCAL_AUTH_CHUNKS	27	/* Read only */
+#define SCTP_GET_ASSOC_NUMBER	28	/* Read only */
+
+/* Internal Socket Options. Some of the sctp library functions are
+ * implemented using these socket options.
+ */
+#define SCTP_SOCKOPT_BINDX_ADD	100	/* BINDX requests for adding addrs */
+#define SCTP_SOCKOPT_BINDX_REM	101	/* BINDX requests for removing addrs. */
+#define SCTP_SOCKOPT_PEELOFF	102	/* peel off association. */
+/* Options 104-106 are deprecated and removed. Do not use this space */
+#define SCTP_SOCKOPT_CONNECTX_OLD	107	/* CONNECTX old requests. */
+#define SCTP_GET_PEER_ADDRS	108		/* Get all peer addresss. */
+#define SCTP_GET_LOCAL_ADDRS	109		/* Get all local addresss. */
+#define SCTP_SOCKOPT_CONNECTX	110		/* CONNECTX requests. */
+#define SCTP_SOCKOPT_CONNECTX3	111	/* CONNECTX requests (updated) */
 
 /*
  * 5.2.1 SCTP Initiation Structure (SCTP_INIT)
-- 
GitLab


From 46d5a808558181e03a4760d2188cc9879445738a Mon Sep 17 00:00:00 2001
From: Vlad Yasevich <vladislav.yasevich@hp.com>
Date: Mon, 23 Nov 2009 15:54:00 -0500
Subject: [PATCH 1465/1815] sctp: Update max.burst implementation

Current implementation of max.burst ends up limiting new
data during cwnd decay period.  The decay is happening becuase
the connection is idle and we are allowed to fill the congestion
window.  The point of max.burst is to limit micro-bursts in response
to large acks.  This still happens, as max.burst is still applied
to each transmit opportunity.  It will also apply if a very large
send is made (greater then allowed by burst).

Tested-by: Florian Niederbacher <florian.niederbacher@student.uibk.ac.at>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
---
 include/net/sctp/structs.h |  4 ++++
 net/sctp/associola.c       |  1 +
 net/sctp/output.c          | 23 -----------------------
 net/sctp/outqueue.c        | 15 +++++++++++++++
 net/sctp/transport.c       | 38 ++++++++++++++++++++++++++++++++++++++
 5 files changed, 58 insertions(+), 23 deletions(-)

diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index ac794a6823e..bc3f8d879c5 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -942,6 +942,8 @@ struct sctp_transport {
 	/* Data that has been sent, but not acknowledged. */
 	__u32 flight_size;
 
+	__u32 burst_limited;	/* Holds old cwnd when max.burst is applied */
+
 	/* TSN marking the fast recovery exit point */
 	__u32 fast_recovery_exit;
 
@@ -1070,6 +1072,8 @@ void sctp_transport_put(struct sctp_transport *);
 void sctp_transport_update_rto(struct sctp_transport *, __u32);
 void sctp_transport_raise_cwnd(struct sctp_transport *, __u32, __u32);
 void sctp_transport_lower_cwnd(struct sctp_transport *, sctp_lower_cwnd_t);
+void sctp_transport_burst_limited(struct sctp_transport *);
+void sctp_transport_burst_reset(struct sctp_transport *);
 unsigned long sctp_transport_timeout(struct sctp_transport *);
 void sctp_transport_reset(struct sctp_transport *);
 void sctp_transport_update_pmtu(struct sctp_transport *, u32);
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 37e982510be..880dae2ca87 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -738,6 +738,7 @@ struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc,
 
 	peer->partial_bytes_acked = 0;
 	peer->flight_size = 0;
+	peer->burst_limited = 0;
 
 	/* Set the transport's RTO.initial value */
 	peer->rto = asoc->rto_initial;
diff --git a/net/sctp/output.c b/net/sctp/output.c
index 9e8e0ea844b..b210d2077e2 100644
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -615,7 +615,6 @@ static sctp_xmit_t sctp_packet_can_append_data(struct sctp_packet *packet,
 	sctp_xmit_t retval = SCTP_XMIT_OK;
 	size_t datasize, rwnd, inflight, flight_size;
 	struct sctp_transport *transport = packet->transport;
-	__u32 max_burst_bytes;
 	struct sctp_association *asoc = transport->asoc;
 	struct sctp_outq *q = &asoc->outqueue;
 
@@ -648,28 +647,6 @@ static sctp_xmit_t sctp_packet_can_append_data(struct sctp_packet *packet,
 		}
 	}
 
-	/* sctpimpguide-05 2.14.2
-	 * D) When the time comes for the sender to
-	 * transmit new DATA chunks, the protocol parameter Max.Burst MUST
-	 * first be applied to limit how many new DATA chunks may be sent.
-	 * The limit is applied by adjusting cwnd as follows:
-	 * 	if ((flightsize + Max.Burst * MTU) < cwnd)
-	 *		cwnd = flightsize + Max.Burst * MTU
-	 */
-	max_burst_bytes = asoc->max_burst * asoc->pathmtu;
-	if ((flight_size + max_burst_bytes) < transport->cwnd) {
-		transport->cwnd = flight_size + max_burst_bytes;
-		SCTP_DEBUG_PRINTK("%s: cwnd limited by max_burst: "
-				  "transport: %p, cwnd: %d, "
-				  "ssthresh: %d, flight_size: %d, "
-				  "pba: %d\n",
-				  __func__, transport,
-				  transport->cwnd,
-				  transport->ssthresh,
-				  transport->flight_size,
-				  transport->partial_bytes_acked);
-	}
-
 	/* RFC 2960 6.1  Transmission of DATA Chunks
 	 *
 	 * B) At any given time, the sender MUST NOT transmit new data
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index 5732661c87d..2f2377369e2 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -931,6 +931,14 @@ static int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
 				goto sctp_flush_out;
 		}
 
+		/* Apply Max.Burst limitation to the current transport in
+		 * case it will be used for new data.  We are going to
+		 * rest it before we return, but we want to apply the limit
+		 * to the currently queued data.
+		 */
+		if (transport)
+			sctp_transport_burst_limited(transport);
+
 		/* Finally, transmit new packets.  */
 		while ((chunk = sctp_outq_dequeue_data(q)) != NULL) {
 			/* RFC 2960 6.5 Every DATA chunk MUST carry a valid
@@ -976,6 +984,10 @@ static int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
 				packet = &transport->packet;
 				sctp_packet_config(packet, vtag,
 						   asoc->peer.ecn_capable);
+				/* We've switched transports, so apply the
+				 * Burst limit to the new transport.
+				 */
+				sctp_transport_burst_limited(transport);
 			}
 
 			SCTP_DEBUG_PRINTK("sctp_outq_flush(%p, %p[%s]), ",
@@ -1070,6 +1082,9 @@ sctp_flush_out:
 		packet = &t->packet;
 		if (!sctp_packet_empty(packet))
 			error = sctp_packet_transmit(packet);
+
+		/* Clear the burst limited state, if any */
+		sctp_transport_burst_reset(t);
 	}
 
 	return error;
diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index 2df29cbdaf5..9a6cb22d129 100644
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -576,6 +576,43 @@ void sctp_transport_lower_cwnd(struct sctp_transport *transport,
 			  transport->cwnd, transport->ssthresh);
 }
 
+/* Apply Max.Burst limit to the congestion window:
+ * sctpimpguide-05 2.14.2
+ * D) When the time comes for the sender to
+ * transmit new DATA chunks, the protocol parameter Max.Burst MUST
+ * first be applied to limit how many new DATA chunks may be sent.
+ * The limit is applied by adjusting cwnd as follows:
+ * 	if ((flightsize+ Max.Burst * MTU) < cwnd)
+ * 		cwnd = flightsize + Max.Burst * MTU
+ */
+
+void sctp_transport_burst_limited(struct sctp_transport *t)
+{
+	struct sctp_association *asoc = t->asoc;
+	u32 old_cwnd = t->cwnd;
+	u32 max_burst_bytes;
+
+	if (t->burst_limited)
+		return;
+
+	max_burst_bytes = t->flight_size + (asoc->max_burst * asoc->pathmtu);
+	if (max_burst_bytes < old_cwnd) {
+		t->cwnd = max_burst_bytes;
+		t->burst_limited = old_cwnd;
+	}
+}
+
+/* Restore the old cwnd congestion window, after the burst had it's
+ * desired effect.
+ */
+void sctp_transport_burst_reset(struct sctp_transport *t)
+{
+	if (t->burst_limited) {
+		t->cwnd = t->burst_limited;
+		t->burst_limited = 0;
+	}
+}
+
 /* What is the next timeout value for this transport? */
 unsigned long sctp_transport_timeout(struct sctp_transport *t)
 {
@@ -598,6 +635,7 @@ void sctp_transport_reset(struct sctp_transport *t)
 	 * (see Section 6.2.1)
 	 */
 	t->cwnd = min(4*asoc->pathmtu, max_t(__u32, 2*asoc->pathmtu, 4380));
+	t->burst_limited = 0;
 	t->ssthresh = asoc->peer.i.a_rwnd;
 	t->last_rto = t->rto = asoc->rto_initial;
 	t->rtt = 0;
-- 
GitLab


From d8dd15781dd621c5ceab79083f4c5112787863f5 Mon Sep 17 00:00:00 2001
From: Neil Horman <nhorman@tuxdriver.com>
Date: Mon, 23 Nov 2009 15:54:00 -0500
Subject: [PATCH 1466/1815] sctp: Fix mis-ordering of user space data when
 multihoming in use

Recently had a bug reported to me, in which the user was sending
packets with a payload containing a sequence number.  The packets
were getting delivered in order according the chunk TSN values, but
the sequence values in the payload were arriving out of order.  At
first I thought it must be an application error, but we eventually
found it to be a problem on the transmit side in the sctp stack.

The conditions for the error are that multihoming must be in use,
and it helps if each transport has a different pmtu.  The problem
occurs in sctp_outq_flush.  Basically we dequeue packets from the
data queue, and attempt to append them to the orrered packet for a
given transport.  After we append a data chunk we add the trasport
to the end of a list of transports to have their packets sent at
the end of sctp_outq_flush.  The problem occurs when a data chunks
fills up a offered packet on a transport.  The function that does
the appending (sctp_packet_transmit_chunk), will try to call
sctp_packet_transmit on the full packet, and then append the chunk
to a new packet.  This call to sctp_packet_transmit, sends that
packet ahead of the others that may be queued in the transport_list
in sctp_outq_flush.  The result is that frames that were sent in one
order from the user space sending application get re-ordered prior
to tsn assignment in sctp_packet_transmit, resulting in mis-sequencing
of data payloads, even though tsn ordering is correct.

The fix is to change where we assign a tsn.  By doing this earlier,
we are then free to place chunks in packets, whatever way we
see fit and the protocol will make sure to do all the appropriate
re-ordering on receive as is needed.

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Reported-by: William Reich <reich@ulticom.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
---
 net/sctp/output.c | 25 +++++++++++++------------
 1 file changed, 13 insertions(+), 12 deletions(-)

diff --git a/net/sctp/output.c b/net/sctp/output.c
index b210d2077e2..7c558936343 100644
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -429,23 +429,22 @@ int sctp_packet_transmit(struct sctp_packet *packet)
 		list_del_init(&chunk->list);
 		if (sctp_chunk_is_data(chunk)) {
 
-			if (!chunk->has_tsn) {
-				sctp_chunk_assign_ssn(chunk);
-				sctp_chunk_assign_tsn(chunk);
-
-			/* 6.3.1 C4) When data is in flight and when allowed
-			 * by rule C5, a new RTT measurement MUST be made each
-			 * round trip.  Furthermore, new RTT measurements
-			 * SHOULD be made no more than once per round-trip
-			 * for a given destination transport address.
-			 */
+			if (!chunk->resent) {
+
+				/* 6.3.1 C4) When data is in flight and when allowed
+				 * by rule C5, a new RTT measurement MUST be made each
+				 * round trip.  Furthermore, new RTT measurements
+				 * SHOULD be made no more than once per round-trip
+				 * for a given destination transport address.
+				 */
 
 				if (!tp->rto_pending) {
 					chunk->rtt_in_progress = 1;
 					tp->rto_pending = 1;
 				}
-			} else
-				chunk->resent = 1;
+			}
+
+			chunk->resent = 1;
 
 			has_data = 1;
 		}
@@ -722,6 +721,8 @@ static void sctp_packet_append_data(struct sctp_packet *packet,
 	/* Has been accepted for transmission. */
 	if (!asoc->peer.prsctp_capable)
 		chunk->msg->can_abandon = 0;
+	sctp_chunk_assign_tsn(chunk);
+	sctp_chunk_assign_ssn(chunk);
 }
 
 static sctp_xmit_t sctp_packet_will_fit(struct sctp_packet *packet,
-- 
GitLab


From f6778aab6ccc4b510b4dcfa770d9949b696b4545 Mon Sep 17 00:00:00 2001
From: Andrei Pelinescu-Onciul <andrei@iptel.org>
Date: Mon, 23 Nov 2009 15:54:01 -0500
Subject: [PATCH 1467/1815] sctp: limit maximum autoclose setsockopt value

To avoid overflowing the maximum timer interval when transforming
the  autoclose interval from seconds to jiffies, limit the maximum
autoclose value to MAX_SCHEDULE_TIMEOUT/HZ.

Signed-off-by: Andrei Pelinescu-Onciul <andrei@iptel.org>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
---
 net/sctp/socket.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index d2681a6bc6f..71513b3926a 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -2086,6 +2086,9 @@ static int sctp_setsockopt_autoclose(struct sock *sk, char __user *optval,
 		return -EINVAL;
 	if (copy_from_user(&sp->autoclose, optval, optlen))
 		return -EFAULT;
+	/* make sure it won't exceed MAX_SCHEDULE_TIMEOUT */
+	if (sp->autoclose > (MAX_SCHEDULE_TIMEOUT / HZ) )
+		sp->autoclose = MAX_SCHEDULE_TIMEOUT / HZ ;
 
 	return 0;
 }
-- 
GitLab


From da85b7396f3b6cb3fea7d77091498bfa1051ef7c Mon Sep 17 00:00:00 2001
From: Andrei Pelinescu-Onciul <andrei@iptel.org>
Date: Mon, 23 Nov 2009 15:54:01 -0500
Subject: [PATCH 1468/1815] sctp: fix integer overflow when setting the
 autoclose timer

When setting the autoclose timeout in jiffies there is a possible
integer overflow if the value in seconds is very large
(e.g. for 2^22 s with HZ=1024). The problem appears even on
64-bit due to the integer promotion rules. The fix is just a cast
 to unsigned long.

Signed-off-by: Andrei Pelinescu-Onciul <andrei@iptel.org>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
---
 net/sctp/associola.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 880dae2ca87..6e96f83570c 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -167,7 +167,7 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a
 	asoc->timeouts[SCTP_EVENT_TIMEOUT_HEARTBEAT] = 0;
 	asoc->timeouts[SCTP_EVENT_TIMEOUT_SACK] = asoc->sackdelay;
 	asoc->timeouts[SCTP_EVENT_TIMEOUT_AUTOCLOSE] =
-		sp->autoclose * HZ;
+		(unsigned long)sp->autoclose * HZ;
 
 	/* Initilizes the timers */
 	for (i = SCTP_EVENT_TIMEOUT_NONE; i < SCTP_NUM_TIMEOUT_TYPES; ++i)
-- 
GitLab


From 4814326b59db0cfd18ac652626d955ad3f57fb0f Mon Sep 17 00:00:00 2001
From: Vlad Yasevich <vladislav.yasevich@hp.com>
Date: Mon, 23 Nov 2009 15:54:01 -0500
Subject: [PATCH 1469/1815] sctp: prevent too-fast association id reuse

We use the idr subsystem and always ask for an id
at or above 1.  This results in a id reuse when one
association is terminated while another is created.

To prevent re-use, we keep track of the last id returned
and ask for that id + 1 as a base for each query.  We let
the idr spin lock protect this base id as well.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
---
 net/sctp/associola.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 6e96f83570c..df5abbff63e 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -63,6 +63,12 @@
 static void sctp_assoc_bh_rcv(struct work_struct *work);
 static void sctp_assoc_free_asconf_acks(struct sctp_association *asoc);
 
+/* Keep track of the new idr low so that we don't re-use association id
+ * numbers too fast.  It is protected by they idr spin lock is in the
+ * range of 1 - INT_MAX.
+ */
+static u32 idr_low = 1;
+
 
 /* 1st Level Abstractions. */
 
@@ -1553,7 +1559,12 @@ retry:
 
 	spin_lock_bh(&sctp_assocs_id_lock);
 	error = idr_get_new_above(&sctp_assocs_id, (void *)asoc,
-				    1, &assoc_id);
+				    idr_low, &assoc_id);
+	if (!error) {
+		idr_low = assoc_id + 1;
+		if (idr_low == INT_MAX)
+			idr_low = 1;
+	}
 	spin_unlock_bh(&sctp_assocs_id_lock);
 	if (error == -EAGAIN)
 		goto retry;
-- 
GitLab


From a3caa99e6c68f466c13cfea74097f6fb01b45e25 Mon Sep 17 00:00:00 2001
From: "John W. Linville" <linville@tuxdriver.com>
Date: Tue, 25 Aug 2009 14:12:25 -0400
Subject: [PATCH 1470/1815] libipw: initiate cfg80211 API conversion (v2)

Initiate the conversion of libipw to the new cfg80211 configuration API.

For now, leave CONFIG_IPW2200_PROMISCUOUS stuff alone.  Eventually
migrate it to cfg80211 when the add/del/change_virtual_intf methods
are implemented.

(v2: Fix unconditional wiphy_unregister in libipw which was causing
     problems for ipw2100, somewhat based on prior attempted fix
     by Zhu Yi <yi.zhu@intel.com>.  Previously both original version of
     this patch and Zhu Yi's fix attempt were reverted due to
     discovery of regressions. -- JWL)

Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ipw2x00/ipw2100.c       |   6 +-
 drivers/net/wireless/ipw2x00/ipw2200.c       | 145 +++++++++++++++----
 drivers/net/wireless/ipw2x00/libipw.h        |   8 +-
 drivers/net/wireless/ipw2x00/libipw_module.c |  38 ++++-
 4 files changed, 161 insertions(+), 36 deletions(-)

diff --git a/drivers/net/wireless/ipw2x00/ipw2100.c b/drivers/net/wireless/ipw2x00/ipw2100.c
index b7408370cf8..a9bc8a97c4e 100644
--- a/drivers/net/wireless/ipw2x00/ipw2100.c
+++ b/drivers/net/wireless/ipw2x00/ipw2100.c
@@ -6029,7 +6029,7 @@ static struct net_device *ipw2100_alloc_device(struct pci_dev *pci_dev,
 	struct ipw2100_priv *priv;
 	struct net_device *dev;
 
-	dev = alloc_ieee80211(sizeof(struct ipw2100_priv));
+	dev = alloc_ieee80211(sizeof(struct ipw2100_priv), 0);
 	if (!dev)
 		return NULL;
 	priv = libipw_priv(dev);
@@ -6342,7 +6342,7 @@ static int ipw2100_pci_init_one(struct pci_dev *pci_dev,
 		sysfs_remove_group(&pci_dev->dev.kobj,
 				   &ipw2100_attribute_group);
 
-		free_ieee80211(dev);
+		free_ieee80211(dev, 0);
 		pci_set_drvdata(pci_dev, NULL);
 	}
 
@@ -6400,7 +6400,7 @@ static void __devexit ipw2100_pci_remove_one(struct pci_dev *pci_dev)
 		if (dev->base_addr)
 			iounmap((void __iomem *)dev->base_addr);
 
-		free_ieee80211(dev);
+		free_ieee80211(dev, 0);
 	}
 
 	pci_release_regions(pci_dev);
diff --git a/drivers/net/wireless/ipw2x00/ipw2200.c b/drivers/net/wireless/ipw2x00/ipw2200.c
index 9b398db2d74..2dfe78acda9 100644
--- a/drivers/net/wireless/ipw2x00/ipw2200.c
+++ b/drivers/net/wireless/ipw2x00/ipw2200.c
@@ -108,6 +108,25 @@ static int antenna = CFG_SYS_ANTENNA_BOTH;
 static int rtap_iface = 0;     /* def: 0 -- do not create rtap interface */
 #endif
 
+static struct ieee80211_rate ipw2200_rates[] = {
+	{ .bitrate = 10 },
+	{ .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
+	{ .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
+	{ .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
+	{ .bitrate = 60 },
+	{ .bitrate = 90 },
+	{ .bitrate = 120 },
+	{ .bitrate = 180 },
+	{ .bitrate = 240 },
+	{ .bitrate = 360 },
+	{ .bitrate = 480 },
+	{ .bitrate = 540 }
+};
+
+#define ipw2200_a_rates		(ipw2200_rates + 4)
+#define ipw2200_num_a_rates	8
+#define ipw2200_bg_rates	(ipw2200_rates + 0)
+#define ipw2200_num_bg_rates	12
 
 #ifdef CONFIG_IPW2200_QOS
 static int qos_enable = 0;
@@ -8659,24 +8678,6 @@ static int ipw_sw_reset(struct ipw_priv *priv, int option)
  *
  */
 
-static int ipw_wx_get_name(struct net_device *dev,
-			   struct iw_request_info *info,
-			   union iwreq_data *wrqu, char *extra)
-{
-	struct ipw_priv *priv = libipw_priv(dev);
-	mutex_lock(&priv->mutex);
-	if (priv->status & STATUS_RF_KILL_MASK)
-		strcpy(wrqu->name, "radio off");
-	else if (!(priv->status & STATUS_ASSOCIATED))
-		strcpy(wrqu->name, "unassociated");
-	else
-		snprintf(wrqu->name, IFNAMSIZ, "IEEE 802.11%c",
-			 ipw_modes[priv->assoc_request.ieee_mode]);
-	IPW_DEBUG_WX("Name: %s\n", wrqu->name);
-	mutex_unlock(&priv->mutex);
-	return 0;
-}
-
 static int ipw_set_channel(struct ipw_priv *priv, u8 channel)
 {
 	if (channel == 0) {
@@ -9976,7 +9977,7 @@ static int ipw_wx_sw_reset(struct net_device *dev,
 /* Rebase the WE IOCTLs to zero for the handler array */
 #define IW_IOCTL(x) [(x)-SIOCSIWCOMMIT]
 static iw_handler ipw_wx_handlers[] = {
-	IW_IOCTL(SIOCGIWNAME) = ipw_wx_get_name,
+	IW_IOCTL(SIOCGIWNAME) = (iw_handler) cfg80211_wext_giwname,
 	IW_IOCTL(SIOCSIWFREQ) = ipw_wx_set_freq,
 	IW_IOCTL(SIOCGIWFREQ) = ipw_wx_get_freq,
 	IW_IOCTL(SIOCSIWMODE) = ipw_wx_set_mode,
@@ -11421,16 +11422,100 @@ static void ipw_bg_down(struct work_struct *work)
 /* Called by register_netdev() */
 static int ipw_net_init(struct net_device *dev)
 {
+	int i, rc = 0;
 	struct ipw_priv *priv = libipw_priv(dev);
+	const struct libipw_geo *geo = libipw_get_geo(priv->ieee);
+	struct wireless_dev *wdev = &priv->ieee->wdev;
 	mutex_lock(&priv->mutex);
 
 	if (ipw_up(priv)) {
-		mutex_unlock(&priv->mutex);
-		return -EIO;
+		rc = -EIO;
+		goto out;
 	}
 
+	memcpy(wdev->wiphy->perm_addr, priv->mac_addr, ETH_ALEN);
+
+	/* fill-out priv->ieee->bg_band */
+	if (geo->bg_channels) {
+		struct ieee80211_supported_band *bg_band = &priv->ieee->bg_band;
+
+		bg_band->band = IEEE80211_BAND_2GHZ;
+		bg_band->n_channels = geo->bg_channels;
+		bg_band->channels =
+			kzalloc(geo->bg_channels *
+				sizeof(struct ieee80211_channel), GFP_KERNEL);
+		/* translate geo->bg to bg_band.channels */
+		for (i = 0; i < geo->bg_channels; i++) {
+			bg_band->channels[i].band = IEEE80211_BAND_2GHZ;
+			bg_band->channels[i].center_freq = geo->bg[i].freq;
+			bg_band->channels[i].hw_value = geo->bg[i].channel;
+			bg_band->channels[i].max_power = geo->bg[i].max_power;
+			if (geo->bg[i].flags & LIBIPW_CH_PASSIVE_ONLY)
+				bg_band->channels[i].flags |=
+					IEEE80211_CHAN_PASSIVE_SCAN;
+			if (geo->bg[i].flags & LIBIPW_CH_NO_IBSS)
+				bg_band->channels[i].flags |=
+					IEEE80211_CHAN_NO_IBSS;
+			if (geo->bg[i].flags & LIBIPW_CH_RADAR_DETECT)
+				bg_band->channels[i].flags |=
+					IEEE80211_CHAN_RADAR;
+			/* No equivalent for LIBIPW_CH_80211H_RULES,
+			   LIBIPW_CH_UNIFORM_SPREADING, or
+			   LIBIPW_CH_B_ONLY... */
+		}
+		/* point at bitrate info */
+		bg_band->bitrates = ipw2200_bg_rates;
+		bg_band->n_bitrates = ipw2200_num_bg_rates;
+
+		wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = bg_band;
+	}
+
+	/* fill-out priv->ieee->a_band */
+	if (geo->a_channels) {
+		struct ieee80211_supported_band *a_band = &priv->ieee->a_band;
+
+		a_band->band = IEEE80211_BAND_5GHZ;
+		a_band->n_channels = geo->a_channels;
+		a_band->channels =
+			kzalloc(geo->a_channels *
+				sizeof(struct ieee80211_channel), GFP_KERNEL);
+		/* translate geo->bg to a_band.channels */
+		for (i = 0; i < geo->a_channels; i++) {
+			a_band->channels[i].band = IEEE80211_BAND_2GHZ;
+			a_band->channels[i].center_freq = geo->a[i].freq;
+			a_band->channels[i].hw_value = geo->a[i].channel;
+			a_band->channels[i].max_power = geo->a[i].max_power;
+			if (geo->a[i].flags & LIBIPW_CH_PASSIVE_ONLY)
+				a_band->channels[i].flags |=
+					IEEE80211_CHAN_PASSIVE_SCAN;
+			if (geo->a[i].flags & LIBIPW_CH_NO_IBSS)
+				a_band->channels[i].flags |=
+					IEEE80211_CHAN_NO_IBSS;
+			if (geo->a[i].flags & LIBIPW_CH_RADAR_DETECT)
+				a_band->channels[i].flags |=
+					IEEE80211_CHAN_RADAR;
+			/* No equivalent for LIBIPW_CH_80211H_RULES,
+			   LIBIPW_CH_UNIFORM_SPREADING, or
+			   LIBIPW_CH_B_ONLY... */
+		}
+		/* point at bitrate info */
+		a_band->bitrates = ipw2200_a_rates;
+		a_band->n_bitrates = ipw2200_num_a_rates;
+
+		wdev->wiphy->bands[IEEE80211_BAND_5GHZ] = a_band;
+	}
+
+	set_wiphy_dev(wdev->wiphy, &priv->pci_dev->dev);
+
+	/* With that information in place, we can now register the wiphy... */
+	if (wiphy_register(wdev->wiphy)) {
+		rc = -EIO;
+		goto out;
+	}
+
+out:
 	mutex_unlock(&priv->mutex);
-	return 0;
+	return rc;
 }
 
 /* PCI driver stuff */
@@ -11561,7 +11646,7 @@ static int ipw_prom_alloc(struct ipw_priv *priv)
 	if (priv->prom_net_dev)
 		return -EPERM;
 
-	priv->prom_net_dev = alloc_ieee80211(sizeof(struct ipw_prom_priv));
+	priv->prom_net_dev = alloc_ieee80211(sizeof(struct ipw_prom_priv), 1);
 	if (priv->prom_net_dev == NULL)
 		return -ENOMEM;
 
@@ -11580,7 +11665,7 @@ static int ipw_prom_alloc(struct ipw_priv *priv)
 
 	rc = register_netdev(priv->prom_net_dev);
 	if (rc) {
-		free_ieee80211(priv->prom_net_dev);
+		free_ieee80211(priv->prom_net_dev, 1);
 		priv->prom_net_dev = NULL;
 		return rc;
 	}
@@ -11594,7 +11679,7 @@ static void ipw_prom_free(struct ipw_priv *priv)
 		return;
 
 	unregister_netdev(priv->prom_net_dev);
-	free_ieee80211(priv->prom_net_dev);
+	free_ieee80211(priv->prom_net_dev, 1);
 
 	priv->prom_net_dev = NULL;
 }
@@ -11622,7 +11707,7 @@ static int __devinit ipw_pci_probe(struct pci_dev *pdev,
 	struct ipw_priv *priv;
 	int i;
 
-	net_dev = alloc_ieee80211(sizeof(struct ipw_priv));
+	net_dev = alloc_ieee80211(sizeof(struct ipw_priv), 0);
 	if (net_dev == NULL) {
 		err = -ENOMEM;
 		goto out;
@@ -11770,7 +11855,7 @@ static int __devinit ipw_pci_probe(struct pci_dev *pdev,
 	pci_disable_device(pdev);
 	pci_set_drvdata(pdev, NULL);
       out_free_ieee80211:
-	free_ieee80211(priv->net_dev);
+	free_ieee80211(priv->net_dev, 0);
       out:
 	return err;
 }
@@ -11837,7 +11922,11 @@ static void __devexit ipw_pci_remove(struct pci_dev *pdev)
 	pci_release_regions(pdev);
 	pci_disable_device(pdev);
 	pci_set_drvdata(pdev, NULL);
-	free_ieee80211(priv->net_dev);
+	/* wiphy_unregister needs to be here, before free_ieee80211 */
+	wiphy_unregister(priv->ieee->wdev.wiphy);
+	kfree(priv->ieee->a_band.channels);
+	kfree(priv->ieee->bg_band.channels);
+	free_ieee80211(priv->net_dev, 0);
 	free_firmware();
 }
 
diff --git a/drivers/net/wireless/ipw2x00/libipw.h b/drivers/net/wireless/ipw2x00/libipw.h
index 1e334ff6bd5..bf45391172f 100644
--- a/drivers/net/wireless/ipw2x00/libipw.h
+++ b/drivers/net/wireless/ipw2x00/libipw.h
@@ -31,6 +31,7 @@
 #include <linux/ieee80211.h>
 
 #include <net/lib80211.h>
+#include <net/cfg80211.h>
 
 #define LIBIPW_VERSION "git-1.1.13"
 
@@ -783,12 +784,15 @@ struct libipw_geo {
 
 struct libipw_device {
 	struct net_device *dev;
+	struct wireless_dev wdev;
 	struct libipw_security sec;
 
 	/* Bookkeeping structures */
 	struct libipw_stats ieee_stats;
 
 	struct libipw_geo geo;
+	struct ieee80211_supported_band bg_band;
+	struct ieee80211_supported_band a_band;
 
 	/* Probe / Beacon management */
 	struct list_head network_free_list;
@@ -1014,8 +1018,8 @@ static inline int libipw_is_cck_rate(u8 rate)
 }
 
 /* ieee80211.c */
-extern void free_ieee80211(struct net_device *dev);
-extern struct net_device *alloc_ieee80211(int sizeof_priv);
+extern void free_ieee80211(struct net_device *dev, int monitor);
+extern struct net_device *alloc_ieee80211(int sizeof_priv, int monitor);
 extern int libipw_change_mtu(struct net_device *dev, int new_mtu);
 
 extern void libipw_networks_age(struct libipw_device *ieee,
diff --git a/drivers/net/wireless/ipw2x00/libipw_module.c b/drivers/net/wireless/ipw2x00/libipw_module.c
index eb2b60834c1..e8a1ac5f8e1 100644
--- a/drivers/net/wireless/ipw2x00/libipw_module.c
+++ b/drivers/net/wireless/ipw2x00/libipw_module.c
@@ -62,6 +62,9 @@ MODULE_DESCRIPTION(DRV_DESCRIPTION);
 MODULE_AUTHOR(DRV_COPYRIGHT);
 MODULE_LICENSE("GPL");
 
+struct cfg80211_ops libipw_config_ops = { };
+void *libipw_wiphy_privid = &libipw_wiphy_privid;
+
 static int libipw_networks_allocate(struct libipw_device *ieee)
 {
 	if (ieee->networks)
@@ -140,7 +143,7 @@ int libipw_change_mtu(struct net_device *dev, int new_mtu)
 }
 EXPORT_SYMBOL(libipw_change_mtu);
 
-struct net_device *alloc_ieee80211(int sizeof_priv)
+struct net_device *alloc_ieee80211(int sizeof_priv, int monitor)
 {
 	struct libipw_device *ieee;
 	struct net_device *dev;
@@ -157,10 +160,31 @@ struct net_device *alloc_ieee80211(int sizeof_priv)
 
 	ieee->dev = dev;
 
+	if (!monitor) {
+		ieee->wdev.wiphy = wiphy_new(&libipw_config_ops, 0);
+		if (!ieee->wdev.wiphy) {
+			LIBIPW_ERROR("Unable to allocate wiphy.\n");
+			goto failed_free_netdev;
+		}
+
+		ieee->dev->ieee80211_ptr = &ieee->wdev;
+		ieee->wdev.iftype = NL80211_IFTYPE_STATION;
+
+		/* Fill-out wiphy structure bits we know...  Not enough info
+		   here to call set_wiphy_dev or set MAC address or channel info
+		   -- have to do that in ->ndo_init... */
+		ieee->wdev.wiphy->privid = libipw_wiphy_privid;
+
+		ieee->wdev.wiphy->max_scan_ssids = 1;
+		ieee->wdev.wiphy->max_scan_ie_len = 0;
+		ieee->wdev.wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
+						| BIT(NL80211_IFTYPE_ADHOC);
+	}
+
 	err = libipw_networks_allocate(ieee);
 	if (err) {
 		LIBIPW_ERROR("Unable to allocate beacon storage: %d\n", err);
-		goto failed_free_netdev;
+		goto failed_free_wiphy;
 	}
 	libipw_networks_initialize(ieee);
 
@@ -193,19 +217,27 @@ struct net_device *alloc_ieee80211(int sizeof_priv)
 
 	return dev;
 
+failed_free_wiphy:
+	if (!monitor)
+		wiphy_free(ieee->wdev.wiphy);
 failed_free_netdev:
 	free_netdev(dev);
 failed:
 	return NULL;
 }
 
-void free_ieee80211(struct net_device *dev)
+void free_ieee80211(struct net_device *dev, int monitor)
 {
 	struct libipw_device *ieee = netdev_priv(dev);
 
 	lib80211_crypt_info_free(&ieee->crypt_info);
 
 	libipw_networks_free(ieee);
+
+	/* free cfg80211 resources */
+	if (!monitor)
+		wiphy_free(ieee->wdev.wiphy);
+
 	free_netdev(dev);
 }
 
-- 
GitLab


From c26409a919e2a338f0cff6ea0e1a96e658a3bfaa Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Wed, 11 Nov 2009 14:36:30 -0500
Subject: [PATCH 1471/1815] ipw2100: Register the wiphy device

libipw unconditionally calls wiphy_unregister, but it's up to the driver
to register it in the first place. ipw2100 fails to do so. Add the necessary
glue code, and also ensure that rfkill statuses get set up appropriately.

(Augmented for proper wiphy_unregister placement. -- JWL)

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ipw2x00/ipw2100.c | 124 +++++++++++++++++++------
 1 file changed, 95 insertions(+), 29 deletions(-)

diff --git a/drivers/net/wireless/ipw2x00/ipw2100.c b/drivers/net/wireless/ipw2x00/ipw2100.c
index a9bc8a97c4e..6c836c892e4 100644
--- a/drivers/net/wireless/ipw2x00/ipw2100.c
+++ b/drivers/net/wireless/ipw2x00/ipw2100.c
@@ -296,6 +296,33 @@ static const char *command_types[] = {
 };
 #endif
 
+#define WEXT_USECHANNELS 1
+
+static const long ipw2100_frequencies[] = {
+	2412, 2417, 2422, 2427,
+	2432, 2437, 2442, 2447,
+	2452, 2457, 2462, 2467,
+	2472, 2484
+};
+
+#define FREQ_COUNT	ARRAY_SIZE(ipw2100_frequencies)
+
+static const long ipw2100_rates_11b[] = {
+	1000000,
+	2000000,
+	5500000,
+	11000000
+};
+
+static struct ieee80211_rate ipw2100_bg_rates[] = {
+	{ .bitrate = 10 },
+	{ .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
+	{ .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
+	{ .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
+};
+
+#define RATE_COUNT ARRAY_SIZE(ipw2100_rates_11b)
+
 /* Pre-decl until we get the code solid and then we can clean it up */
 static void ipw2100_tx_send_commands(struct ipw2100_priv *priv);
 static void ipw2100_tx_send_data(struct ipw2100_priv *priv);
@@ -1141,6 +1168,7 @@ static int rf_kill_active(struct ipw2100_priv *priv)
 	int i;
 
 	if (!(priv->hw_features & HW_FEATURE_RFKILL)) {
+		wiphy_rfkill_set_hw_state(priv->ieee->wdev.wiphy, false);
 		priv->status &= ~STATUS_RF_KILL_HW;
 		return 0;
 	}
@@ -1151,10 +1179,13 @@ static int rf_kill_active(struct ipw2100_priv *priv)
 		value = (value << 1) | ((reg & IPW_BIT_GPIO_RF_KILL) ? 0 : 1);
 	}
 
-	if (value == 0)
+	if (value == 0) {
+		wiphy_rfkill_set_hw_state(priv->ieee->wdev.wiphy, true);
 		priv->status |= STATUS_RF_KILL_HW;
-	else
+	} else {
+		wiphy_rfkill_set_hw_state(priv->ieee->wdev.wiphy, false);
 		priv->status &= ~STATUS_RF_KILL_HW;
+	}
 
 	return (value == 0);
 }
@@ -1814,13 +1845,6 @@ static int ipw2100_up(struct ipw2100_priv *priv, int deferred)
 	return rc;
 }
 
-/* Called by register_netdev() */
-static int ipw2100_net_init(struct net_device *dev)
-{
-	struct ipw2100_priv *priv = libipw_priv(dev);
-	return ipw2100_up(priv, 1);
-}
-
 static void ipw2100_down(struct ipw2100_priv *priv)
 {
 	unsigned long flags;
@@ -1875,6 +1899,64 @@ static void ipw2100_down(struct ipw2100_priv *priv)
 	netif_stop_queue(priv->net_dev);
 }
 
+/* Called by register_netdev() */
+static int ipw2100_net_init(struct net_device *dev)
+{
+	struct ipw2100_priv *priv = libipw_priv(dev);
+	const struct libipw_geo *geo = libipw_get_geo(priv->ieee);
+	struct wireless_dev *wdev = &priv->ieee->wdev;
+	int ret;
+	int i;
+
+	ret = ipw2100_up(priv, 1);
+	if (ret)
+		return ret;
+
+	memcpy(wdev->wiphy->perm_addr, priv->mac_addr, ETH_ALEN);
+
+	/* fill-out priv->ieee->bg_band */
+	if (geo->bg_channels) {
+		struct ieee80211_supported_band *bg_band = &priv->ieee->bg_band;
+
+		bg_band->band = IEEE80211_BAND_2GHZ;
+		bg_band->n_channels = geo->bg_channels;
+		bg_band->channels =
+			kzalloc(geo->bg_channels *
+				sizeof(struct ieee80211_channel), GFP_KERNEL);
+		/* translate geo->bg to bg_band.channels */
+		for (i = 0; i < geo->bg_channels; i++) {
+			bg_band->channels[i].band = IEEE80211_BAND_2GHZ;
+			bg_band->channels[i].center_freq = geo->bg[i].freq;
+			bg_band->channels[i].hw_value = geo->bg[i].channel;
+			bg_band->channels[i].max_power = geo->bg[i].max_power;
+			if (geo->bg[i].flags & LIBIPW_CH_PASSIVE_ONLY)
+				bg_band->channels[i].flags |=
+					IEEE80211_CHAN_PASSIVE_SCAN;
+			if (geo->bg[i].flags & LIBIPW_CH_NO_IBSS)
+				bg_band->channels[i].flags |=
+					IEEE80211_CHAN_NO_IBSS;
+			if (geo->bg[i].flags & LIBIPW_CH_RADAR_DETECT)
+				bg_band->channels[i].flags |=
+					IEEE80211_CHAN_RADAR;
+			/* No equivalent for LIBIPW_CH_80211H_RULES,
+			   LIBIPW_CH_UNIFORM_SPREADING, or
+			   LIBIPW_CH_B_ONLY... */
+		}
+		/* point at bitrate info */
+		bg_band->bitrates = ipw2100_bg_rates;
+		bg_band->n_bitrates = RATE_COUNT;
+
+		wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = bg_band;
+	}
+
+	set_wiphy_dev(wdev->wiphy, &priv->pci_dev->dev);
+	if (wiphy_register(wdev->wiphy)) {
+		ipw2100_down(priv);
+		return -EIO;
+	}
+	return 0;
+}
+
 static void ipw2100_reset_adapter(struct work_struct *work)
 {
 	struct ipw2100_priv *priv =
@@ -2090,6 +2172,7 @@ static void isr_indicate_rf_kill(struct ipw2100_priv *priv, u32 status)
 		       priv->net_dev->name);
 
 	/* RF_KILL is now enabled (else we wouldn't be here) */
+	wiphy_rfkill_set_hw_state(priv->ieee->wdev.wiphy, true);
 	priv->status |= STATUS_RF_KILL_HW;
 
 	/* Make sure the RF Kill check timer is running */
@@ -6400,6 +6483,9 @@ static void __devexit ipw2100_pci_remove_one(struct pci_dev *pci_dev)
 		if (dev->base_addr)
 			iounmap((void __iomem *)dev->base_addr);
 
+		/* wiphy_unregister needs to be here, before free_ieee80211 */
+		wiphy_unregister(priv->ieee->wdev.wiphy);
+		kfree(priv->ieee->bg_band.channels);
 		free_ieee80211(dev, 0);
 	}
 
@@ -6601,26 +6687,6 @@ static void __exit ipw2100_exit(void)
 module_init(ipw2100_init);
 module_exit(ipw2100_exit);
 
-#define WEXT_USECHANNELS 1
-
-static const long ipw2100_frequencies[] = {
-	2412, 2417, 2422, 2427,
-	2432, 2437, 2442, 2447,
-	2452, 2457, 2462, 2467,
-	2472, 2484
-};
-
-#define FREQ_COUNT	ARRAY_SIZE(ipw2100_frequencies)
-
-static const long ipw2100_rates_11b[] = {
-	1000000,
-	2000000,
-	5500000,
-	11000000
-};
-
-#define RATE_COUNT ARRAY_SIZE(ipw2100_rates_11b)
-
 static int ipw2100_wx_get_name(struct net_device *dev,
 			       struct iw_request_info *info,
 			       union iwreq_data *wrqu, char *extra)
-- 
GitLab


From 25f94aeaa3b20e804efbea0fe74d75bb15ecde4a Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Wed, 11 Nov 2009 14:36:31 -0500
Subject: [PATCH 1472/1815] ipw2200: Set core hw rfkill status when hardware
 changes state

ipw2200 is able to detect when it's been hard-killed, but doesn't update
the core rfkill state or update userspace. Ensure that the state is updated,
allowing the rfkill core to notify userspace.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ipw2x00/ipw2200.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ipw2x00/ipw2200.c b/drivers/net/wireless/ipw2x00/ipw2200.c
index 2dfe78acda9..5b01b5b2e15 100644
--- a/drivers/net/wireless/ipw2x00/ipw2200.c
+++ b/drivers/net/wireless/ipw2x00/ipw2200.c
@@ -1757,10 +1757,13 @@ static DEVICE_ATTR(direct_dword, S_IWUSR | S_IRUGO,
 
 static int rf_kill_active(struct ipw_priv *priv)
 {
-	if (0 == (ipw_read32(priv, 0x30) & 0x10000))
+	if (0 == (ipw_read32(priv, 0x30) & 0x10000)) {
 		priv->status |= STATUS_RF_KILL_HW;
-	else
+		wiphy_rfkill_set_hw_state(priv->ieee->wdev.wiphy, true);
+	} else {
 		priv->status &= ~STATUS_RF_KILL_HW;
+		wiphy_rfkill_set_hw_state(priv->ieee->wdev.wiphy, false);
+	}
 
 	return (priv->status & STATUS_RF_KILL_HW) ? 1 : 0;
 }
@@ -2043,6 +2046,7 @@ static void ipw_irq_tasklet(struct ipw_priv *priv)
 	if (inta & IPW_INTA_BIT_RF_KILL_DONE) {
 		IPW_DEBUG_RF_KILL("RF_KILL_DONE\n");
 		priv->status |= STATUS_RF_KILL_HW;
+		wiphy_rfkill_set_hw_state(priv->ieee->wdev.wiphy, true);
 		wake_up_interruptible(&priv->wait_command_queue);
 		priv->status &= ~(STATUS_ASSOCIATED | STATUS_ASSOCIATING);
 		cancel_delayed_work(&priv->request_scan);
-- 
GitLab


From ac2752c145c6dd25b8ed26bfede1c9177c91a7ef Mon Sep 17 00:00:00 2001
From: Larry Finger <Larry.Finger@lwfinger.net>
Date: Thu, 19 Nov 2009 14:40:46 -0600
Subject: [PATCH 1473/1815] ssb: Unconditionally log results of core scans

At present, the results of an SSB core scan are only logged when
CONFIG_SSB_DEBUG is "y". As this may not be set in a distro kernel,
it is difficult interpret many problems posted in bug reports or in
help forums.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/ssb/scan.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/ssb/scan.c b/drivers/ssb/scan.c
index e8b89e8ac9b..0d6c0280eb3 100644
--- a/drivers/ssb/scan.c
+++ b/drivers/ssb/scan.c
@@ -354,7 +354,7 @@ int ssb_bus_scan(struct ssb_bus *bus,
 		dev->bus = bus;
 		dev->ops = bus->ops;
 
-		ssb_dprintk(KERN_INFO PFX
+		printk(KERN_DEBUG PFX
 			    "Core %d found: %s "
 			    "(cc 0x%03X, rev 0x%02X, vendor 0x%04X)\n",
 			    i, ssb_core_name(dev->id.coreid),
-- 
GitLab


From 8c35024aa65c079f800df7778869a8dbda074182 Mon Sep 17 00:00:00 2001
From: Benoit PAPILLAULT <benoit.papillault@free.fr>
Date: Thu, 19 Nov 2009 22:19:26 +0100
Subject: [PATCH 1474/1815] ath9k: This patch fix RX unpadding for any received
 frame.

It has been tested with a 802.11 frame generator and by checking the FCS field
of each received frame with the value reported by the Atheros hardware. This
patch is useful if you are trying to analyze non standard 802.11 frame going
over the air.

Signed-off-by: Benoit PAPILLAULT <benoit.papillault@free.fr>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/common.c | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/common.c b/drivers/net/wireless/ath/ath9k/common.c
index 2f1e1612e2a..4a13632e3e4 100644
--- a/drivers/net/wireless/ath/ath9k/common.c
+++ b/drivers/net/wireless/ath/ath9k/common.c
@@ -231,26 +231,35 @@ void ath9k_cmn_rx_skb_postprocess(struct ath_common *common,
 {
 	struct ath_hw *ah = common->ah;
 	struct ieee80211_hdr *hdr;
-	int hdrlen, padsize;
+	int hdrlen, padpos, padsize;
 	u8 keyix;
 	__le16 fc;
 
 	/* see if any padding is done by the hw and remove it */
 	hdr = (struct ieee80211_hdr *) skb->data;
 	hdrlen = ieee80211_get_hdrlen_from_skb(skb);
+	padpos = 24;
 	fc = hdr->frame_control;
+	if ((fc & cpu_to_le16(IEEE80211_FCTL_FROMDS|IEEE80211_FCTL_TODS)) ==
+	    cpu_to_le16(IEEE80211_FCTL_FROMDS|IEEE80211_FCTL_TODS)) {
+	  padpos += 6; /* ETH_ALEN */
+	}
+	if ((fc & cpu_to_le16(IEEE80211_STYPE_QOS_DATA|IEEE80211_FCTL_FTYPE)) ==
+	    cpu_to_le16(IEEE80211_STYPE_QOS_DATA|IEEE80211_FTYPE_DATA)) {
+	  padpos += 2;
+	}
 
 	/* The MAC header is padded to have 32-bit boundary if the
 	 * packet payload is non-zero. The general calculation for
 	 * padsize would take into account odd header lengths:
-	 * padsize = (4 - hdrlen % 4) % 4; However, since only
+	 * padsize = (4 - padpos % 4) % 4; However, since only
 	 * even-length headers are used, padding can only be 0 or 2
 	 * bytes and we can optimize this a bit. In addition, we must
 	 * not try to remove padding from short control frames that do
 	 * not have payload. */
-	padsize = hdrlen & 3;
-	if (padsize && hdrlen >= 24) {
-		memmove(skb->data + padsize, skb->data, hdrlen);
+	padsize = padpos & 3;
+	if (padsize && skb->len>=padpos+padsize+FCS_LEN) {
+		memmove(skb->data + padsize, skb->data, padpos);
 		skb_pull(skb, padsize);
 	}
 
-- 
GitLab


From 07681e211d736ba2394ab7f29f77e93adecd22c5 Mon Sep 17 00:00:00 2001
From: Michael Buesch <mb@bu3sch.de>
Date: Thu, 19 Nov 2009 22:24:29 +0100
Subject: [PATCH 1475/1815] b43: Rewrite DMA Tx status handling sanity checks

This rewrites the error handling policies in the TX status handler.
It tries to be error-tolerant as in "try hard to not crash the machine".
It won't recover from errors (that are bugs in the firmware or driver),
because that's impossible. However, it will return a more or less useful
error message and bail out. It also tries hard to use rate-limited messages
to not flood the syslog in case of a failure.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/b43/dma.c | 67 +++++++++++++++++++++++++++-------
 drivers/net/wireless/b43/dma.h |  6 ++-
 2 files changed, 59 insertions(+), 14 deletions(-)

diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
index 18b97c02b8a..027be275e03 100644
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c
@@ -874,7 +874,7 @@ static void free_all_descbuffers(struct b43_dmaring *ring)
 	for (i = 0; i < ring->nr_slots; i++) {
 		desc = ring->ops->idx2desc(ring, i, &meta);
 
-		if (!meta->skb) {
+		if (!meta->skb || b43_dma_ptr_is_poisoned(meta->skb)) {
 			B43_WARN_ON(!ring->tx);
 			continue;
 		}
@@ -926,7 +926,7 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev,
 				      enum b43_dmatype type)
 {
 	struct b43_dmaring *ring;
-	int err;
+	int i, err;
 	dma_addr_t dma_test;
 
 	ring = kzalloc(sizeof(*ring), GFP_KERNEL);
@@ -941,6 +941,8 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev,
 			     GFP_KERNEL);
 	if (!ring->meta)
 		goto err_kfree_ring;
+	for (i = 0; i < ring->nr_slots; i++)
+		ring->meta->skb = B43_DMA_PTR_POISON;
 
 	ring->type = type;
 	ring->dev = dev;
@@ -1251,11 +1253,13 @@ struct b43_dmaring *parse_cookie(struct b43_wldev *dev, u16 cookie, int *slot)
 	case 0x5000:
 		ring = dma->tx_ring_mcast;
 		break;
-	default:
-		B43_WARN_ON(1);
 	}
 	*slot = (cookie & 0x0FFF);
-	B43_WARN_ON(!(ring && *slot >= 0 && *slot < ring->nr_slots));
+	if (unlikely(!ring || *slot < 0 || *slot >= ring->nr_slots)) {
+		b43dbg(dev->wl, "TX-status contains "
+		       "invalid cookie: 0x%04X\n", cookie);
+		return NULL;
+	}
 
 	return ring;
 }
@@ -1494,19 +1498,40 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev,
 	struct b43_dmaring *ring;
 	struct b43_dmadesc_generic *desc;
 	struct b43_dmadesc_meta *meta;
-	int slot;
+	int slot, firstused;
 	bool frame_succeed;
 
 	ring = parse_cookie(dev, status->cookie, &slot);
 	if (unlikely(!ring))
 		return;
-
 	B43_WARN_ON(!ring->tx);
+
+	/* Sanity check: TX packets are processed in-order on one ring.
+	 * Check if the slot deduced from the cookie really is the first
+	 * used slot. */
+	firstused = ring->current_slot - ring->used_slots + 1;
+	if (firstused < 0)
+		firstused = ring->nr_slots + firstused;
+	if (unlikely(slot != firstused)) {
+		/* This possibly is a firmware bug and will result in
+		 * malfunction, memory leaks and/or stall of DMA functionality. */
+		b43dbg(dev->wl, "Out of order TX status report on DMA ring %d. "
+		       "Expected %d, but got %d\n",
+		       ring->index, firstused, slot);
+		return;
+	}
+
 	ops = ring->ops;
 	while (1) {
-		B43_WARN_ON(!(slot >= 0 && slot < ring->nr_slots));
+		B43_WARN_ON(slot < 0 || slot >= ring->nr_slots);
 		desc = ops->idx2desc(ring, slot, &meta);
 
+		if (b43_dma_ptr_is_poisoned(meta->skb)) {
+			b43dbg(dev->wl, "Poisoned TX slot %d (first=%d) "
+			       "on ring %d\n",
+			       slot, firstused, ring->index);
+			break;
+		}
 		if (meta->skb) {
 			struct b43_private_tx_info *priv_info =
 				b43_get_priv_tx_info(IEEE80211_SKB_CB(meta->skb));
@@ -1522,7 +1547,14 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev,
 		if (meta->is_last_fragment) {
 			struct ieee80211_tx_info *info;
 
-			BUG_ON(!meta->skb);
+			if (unlikely(!meta->skb)) {
+				/* This is a scatter-gather fragment of a frame, so
+				 * the skb pointer must not be NULL. */
+				b43dbg(dev->wl, "TX status unexpected NULL skb "
+				       "at slot %d (first=%d) on ring %d\n",
+				       slot, firstused, ring->index);
+				break;
+			}
 
 			info = IEEE80211_SKB_CB(meta->skb);
 
@@ -1540,20 +1572,29 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev,
 #endif /* DEBUG */
 			ieee80211_tx_status(dev->wl->hw, meta->skb);
 
-			/* skb is freed by ieee80211_tx_status() */
-			meta->skb = NULL;
+			/* skb will be freed by ieee80211_tx_status().
+			 * Poison our pointer. */
+			meta->skb = B43_DMA_PTR_POISON;
 		} else {
 			/* No need to call free_descriptor_buffer here, as
 			 * this is only the txhdr, which is not allocated.
 			 */
-			B43_WARN_ON(meta->skb);
+			if (unlikely(meta->skb)) {
+				b43dbg(dev->wl, "TX status unexpected non-NULL skb "
+				       "at slot %d (first=%d) on ring %d\n",
+				       slot, firstused, ring->index);
+				break;
+			}
 		}
 
 		/* Everything unmapped and free'd. So it's not used anymore. */
 		ring->used_slots--;
 
-		if (meta->is_last_fragment)
+		if (meta->is_last_fragment) {
+			/* This is the last scatter-gather
+			 * fragment of the frame. We are done. */
 			break;
+		}
 		slot = next_slot(ring, slot);
 	}
 	if (ring->stopped) {
diff --git a/drivers/net/wireless/b43/dma.h b/drivers/net/wireless/b43/dma.h
index 356a0ff8f04..e607b392314 100644
--- a/drivers/net/wireless/b43/dma.h
+++ b/drivers/net/wireless/b43/dma.h
@@ -1,7 +1,7 @@
 #ifndef B43_DMA_H_
 #define B43_DMA_H_
 
-#include <linux/ieee80211.h>
+#include <linux/err.h>
 
 #include "b43.h"
 
@@ -164,6 +164,10 @@ struct b43_dmadesc_generic {
 #define B43_RXRING_SLOTS		64
 #define B43_DMA0_RX_BUFFERSIZE		IEEE80211_MAX_FRAME_LEN
 
+/* Pointer poison */
+#define B43_DMA_PTR_POISON		((void *)ERR_PTR(-ENOMEM))
+#define b43_dma_ptr_is_poisoned(ptr)	(unlikely((ptr) == B43_DMA_PTR_POISON))
+
 
 struct sk_buff;
 struct b43_private;
-- 
GitLab


From 98e3ac99e25601c3fb83dc91367d76f864496847 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Thu, 19 Nov 2009 22:42:16 +0100
Subject: [PATCH 1476/1815] mac80211: remove dead struct member

ieee80211_local.wstats is a remnant from the
days when we still had to worry about wireless
extensions in mac80211 -- it can be removed.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/ieee80211_i.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index f13d76c9b57..04093e84ebd 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -579,7 +579,6 @@ struct ieee80211_local {
 	/* number of interfaces with corresponding FIF_ flags */
 	int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll;
 	unsigned int filter_flags; /* FIF_* */
-	struct iw_statistics wstats;
 
 	/* protects the aggregated multicast list and filter calls */
 	spinlock_t filter_lock;
-- 
GitLab


From f1cf2dbd0f798b71b1590e7aca6647f2caef1649 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Luk=C3=A1=C5=A1=20Turek?= <8an@praha12.net>
Date: Thu, 19 Nov 2009 23:02:02 +0100
Subject: [PATCH 1477/1815] ath5k: Fix I/Q calibration

The sign of correction coefficients was lost in the calculations, which
caused high packetloss in 802.11a mode after the results were applied.
Fixed by removing unneccesary and broken AND with a bit mask.

Signed-off-by: Lukas Turek <8an@praha12.net>
Acked-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath5k/phy.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ath5k/phy.c b/drivers/net/wireless/ath/ath5k/phy.c
index 721ec5ee381..bbfdcd5e7cb 100644
--- a/drivers/net/wireless/ath/ath5k/phy.c
+++ b/drivers/net/wireless/ath/ath5k/phy.c
@@ -1399,7 +1399,7 @@ static int ath5k_hw_rf511x_calibrate(struct ath5k_hw *ah,
 	if (i_coffd == 0 || q_coffd == 0)
 		goto done;
 
-	i_coff = ((-iq_corr) / i_coffd) & 0x3f;
+	i_coff = ((-iq_corr) / i_coffd);
 
 	/* Boundary check */
 	if (i_coff > 31)
@@ -1407,7 +1407,7 @@ static int ath5k_hw_rf511x_calibrate(struct ath5k_hw *ah,
 	if (i_coff < -32)
 		i_coff = -32;
 
-	q_coff = (((s32)i_pwr / q_coffd) - 128) & 0x1f;
+	q_coff = (((s32)i_pwr / q_coffd) - 128);
 
 	/* Boundary check */
 	if (q_coff > 15)
-- 
GitLab


From 3305443c968b98902199bea0abbd9443c6a2bb8d Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Fri, 20 Nov 2009 10:09:14 +0100
Subject: [PATCH 1478/1815] mac80211: fix rcu locking

Add a missing rcu_read_unlock() before jumping out
of the ieee80211_change_station() function in the
error case.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/cfg.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index c484a882140..93ee1fd5c08 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -823,8 +823,10 @@ static int ieee80211_change_station(struct wiphy *wiphy,
 		}
 
 		if (params->vlan->ieee80211_ptr->use_4addr) {
-			if (vlansdata->u.vlan.sta)
+			if (vlansdata->u.vlan.sta) {
+				rcu_read_unlock();
 				return -EBUSY;
+			}
 
 			rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
 		}
-- 
GitLab


From 4e03185fb8e85d5624d3a68feced70cc9c9e2136 Mon Sep 17 00:00:00 2001
From: Ben Cahill <ben.m.cahill@intel.com>
Date: Fri, 20 Nov 2009 12:04:52 -0800
Subject: [PATCH 1479/1815] iwlwifi: Add iwl_write8()

To support byte writes to CSR_INT_COALESCING and CSR_INT_PERIODIC registers,
add iwl_write8(), including debug/trace support.

Signed-off-by: Ben Cahill <ben.m.cahill@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-devtrace.c |  1 +
 drivers/net/wireless/iwlwifi/iwl-devtrace.h | 16 ++++++++++++++++
 drivers/net/wireless/iwlwifi/iwl-io.h       | 20 ++++++++++++++++++++
 3 files changed, 37 insertions(+)

diff --git a/drivers/net/wireless/iwlwifi/iwl-devtrace.c b/drivers/net/wireless/iwlwifi/iwl-devtrace.c
index 4ef5acaa556..e7d88d1da15 100644
--- a/drivers/net/wireless/iwlwifi/iwl-devtrace.c
+++ b/drivers/net/wireless/iwlwifi/iwl-devtrace.c
@@ -5,6 +5,7 @@
 #define CREATE_TRACE_POINTS
 #include "iwl-devtrace.h"
 
+EXPORT_TRACEPOINT_SYMBOL(iwlwifi_dev_iowrite8);
 EXPORT_TRACEPOINT_SYMBOL(iwlwifi_dev_ioread32);
 EXPORT_TRACEPOINT_SYMBOL(iwlwifi_dev_iowrite32);
 EXPORT_TRACEPOINT_SYMBOL(iwlwifi_dev_rx);
diff --git a/drivers/net/wireless/iwlwifi/iwl-devtrace.h b/drivers/net/wireless/iwlwifi/iwl-devtrace.h
index 8c7159208da..f2d4b01ba46 100644
--- a/drivers/net/wireless/iwlwifi/iwl-devtrace.h
+++ b/drivers/net/wireless/iwlwifi/iwl-devtrace.h
@@ -32,6 +32,22 @@ TRACE_EVENT(iwlwifi_dev_ioread32,
 	TP_printk("[%p] read io[%#x] = %#x", __entry->priv, __entry->offs, __entry->val)
 );
 
+TRACE_EVENT(iwlwifi_dev_iowrite8,
+	TP_PROTO(struct iwl_priv *priv, u32 offs, u8 val),
+	TP_ARGS(priv, offs, val),
+	TP_STRUCT__entry(
+		PRIV_ENTRY
+		__field(u32, offs)
+		__field(u8, val)
+	),
+	TP_fast_assign(
+		PRIV_ASSIGN;
+		__entry->offs = offs;
+		__entry->val = val;
+	),
+	TP_printk("[%p] write io[%#x] = %#x)", __entry->priv, __entry->offs, __entry->val)
+);
+
 TRACE_EVENT(iwlwifi_dev_iowrite32,
 	TP_PROTO(struct iwl_priv *priv, u32 offs, u32 val),
 	TP_ARGS(priv, offs, val),
diff --git a/drivers/net/wireless/iwlwifi/iwl-io.h b/drivers/net/wireless/iwlwifi/iwl-io.h
index d0a358c9d96..e552d4c4bdb 100644
--- a/drivers/net/wireless/iwlwifi/iwl-io.h
+++ b/drivers/net/wireless/iwlwifi/iwl-io.h
@@ -62,6 +62,26 @@
  *
  */
 
+static inline void _iwl_write8(struct iwl_priv *priv, u32 ofs, u8 val)
+{
+	trace_iwlwifi_dev_iowrite8(priv, ofs, val);
+	iowrite8(val, priv->hw_base + ofs);
+}
+
+#ifdef CONFIG_IWLWIFI_DEBUG
+static inline void __iwl_write8(const char *f, u32 l, struct iwl_priv *priv,
+				 u32 ofs, u8 val)
+{
+	IWL_DEBUG_IO(priv, "write8(0x%08X, 0x%02X) - %s %d\n", ofs, val, f, l);
+	_iwl_write8(priv, ofs, val);
+}
+#define iwl_write8(priv, ofs, val) \
+	__iwl_write8(__FILE__, __LINE__, priv, ofs, val)
+#else
+#define iwl_write8(priv, ofs, val) _iwl_write8(priv, ofs, val)
+#endif
+
+
 static inline void _iwl_write32(struct iwl_priv *priv, u32 ofs, u32 val)
 {
 	trace_iwlwifi_dev_iowrite32(priv, ofs, val);
-- 
GitLab


From 74ba67edfcb235c0415a62d37493866c8380dc1d Mon Sep 17 00:00:00 2001
From: Ben Cahill <ben.m.cahill@intel.com>
Date: Fri, 20 Nov 2009 12:04:53 -0800
Subject: [PATCH 1480/1815] iwlagn: Use iwl_write8() for CSR_INT_COALESCING
 register

CSR_INT_COALESCING previously had only one, but now has two single-byte fields.
With only one single-byte field (lowest order byte) it was okay to write via
iwl_write32(), but now with two, an iwl_write32() to the lower order field
clobbers the other field (odd-address CSR_INT_PERIODIC_REG, offset 0x5), and an
iwl_write32() to CSR_INT_PERIODIC_REG could clobber the lowest byte of the
next-higher register (CSR_INT, offset 0x8).

Fortunately, no bad side effects have been produced by the iwl_write32()
usage, due to order of execution (low order byte was always written before
higher order byte), and the fact that writing "0" to the low byte of the
next higher register has no effect (only action is when writing "1"s).

Nonetheless, this cleans up the accesses so no bad side effects might occur
in the future, if execution order changes, or more bit fields get added to
CSR_INT_COALESCING.

Add some comments regarding periodic interrupt usage.

Signed-off-by: Ben Cahill <ben.m.cahill@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn.c  | 19 ++++++++++++++-----
 drivers/net/wireless/iwlwifi/iwl-core.c |  5 ++++-
 drivers/net/wireless/iwlwifi/iwl-csr.h  |  4 ++--
 drivers/net/wireless/iwlwifi/iwl-rx.c   |  3 ++-
 4 files changed, 22 insertions(+), 9 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index e8f405a01e3..a4e8db35a55 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1266,15 +1266,24 @@ static void iwl_irq_tasklet(struct iwl_priv *priv)
 		 * 3- update RX shared data to indicate last write index.
 		 * 4- send interrupt.
 		 * This could lead to RX race, driver could receive RX interrupt
-		 * but the shared data changes does not reflect this.
-		 * this could lead to RX race, RX periodic will solve this race
+		 * but the shared data changes does not reflect this;
+		 * periodic interrupt will detect any dangling Rx activity.
 		 */
-		iwl_write32(priv, CSR_INT_PERIODIC_REG,
+
+		/* Disable periodic interrupt; we use it as just a one-shot. */
+		iwl_write8(priv, CSR_INT_PERIODIC_REG,
 			    CSR_INT_PERIODIC_DIS);
 		iwl_rx_handle(priv);
-		/* Only set RX periodic if real RX is received. */
+
+		/*
+		 * Enable periodic interrupt in 8 msec only if we received
+		 * real RX interrupt (instead of just periodic int), to catch
+		 * any dangling Rx interrupt.  If it was just the periodic
+		 * interrupt, there was no dangling Rx activity, and no need
+		 * to extend the periodic interrupt; one-shot is enough.
+		 */
 		if (inta & (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX))
-			iwl_write32(priv, CSR_INT_PERIODIC_REG,
+			iwl_write8(priv, CSR_INT_PERIODIC_REG,
 				    CSR_INT_PERIODIC_ENA);
 
 		priv->isr_stats.rx++;
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index a2636f4b068..c25cab5d045 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -255,7 +255,10 @@ int iwl_hw_nic_init(struct iwl_priv *priv)
 	/* nic_init */
 	spin_lock_irqsave(&priv->lock, flags);
 	priv->cfg->ops->lib->apm_ops.init(priv);
-	iwl_write32(priv, CSR_INT_COALESCING, 512 / 32);
+
+	/* Set interrupt coalescing timer to 512 usecs */
+	iwl_write8(priv, CSR_INT_COALESCING, 512 / 32);
+
 	spin_unlock_irqrestore(&priv->lock, flags);
 
 	ret = priv->cfg->ops->lib->apm_ops.set_pwr_src(priv, IWL_PWR_SRC_VMAIN);
diff --git a/drivers/net/wireless/iwlwifi/iwl-csr.h b/drivers/net/wireless/iwlwifi/iwl-csr.h
index 68ed8220672..a7bfae01f19 100644
--- a/drivers/net/wireless/iwlwifi/iwl-csr.h
+++ b/drivers/net/wireless/iwlwifi/iwl-csr.h
@@ -173,8 +173,8 @@
 #define CSR_HW_IF_CONFIG_REG_BIT_NIC_PREPARE_DONE (0x02000000) /* ME_OWN */
 #define CSR_HW_IF_CONFIG_REG_PREPARE		  (0x08000000) /* WAKE_ME */
 
-#define CSR_INT_PERIODIC_DIS			(0x00)
-#define CSR_INT_PERIODIC_ENA			(0xFF)
+#define CSR_INT_PERIODIC_DIS			(0x00) /* disable periodic int*/
+#define CSR_INT_PERIODIC_ENA			(0xFF) /* 255*32 usec ~ 8 msec*/
 
 /* interrupt flags in INTA, set by uCode or hardware (e.g. dma),
  * acknowledged (reset) by host writing "1" to flagged bits. */
diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c
index cc980d5d57c..6090bc15a6d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-rx.c
@@ -477,7 +477,8 @@ int iwl_rx_init(struct iwl_priv *priv, struct iwl_rx_queue *rxq)
 			   (rb_timeout << FH_RCSR_RX_CONFIG_REG_IRQ_RBTH_POS)|
 			   (rfdnlog << FH_RCSR_RX_CONFIG_RBDCB_SIZE_POS));
 
-	iwl_write32(priv, CSR_INT_COALESCING, 0x40);
+	/* Set interrupt coalescing timer to 64 x 32 = 2048 usecs */
+	iwl_write8(priv, CSR_INT_COALESCING, 0x40);
 
 	return 0;
 }
-- 
GitLab


From d5f4cf71f7b70e13f96cc8aac65b390707d5d80b Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 20 Nov 2009 12:04:54 -0800
Subject: [PATCH 1481/1815] iwlwifi: control led while update tx/rx bytes
 counts

LED blinking rate is based on tx/rx traffic, the most reasonable place
to do it is after update the traffic byte counts

This fixes the recent LED blinking breakage on 3945 introduced by "iwlwifi:
separate led function from statistic notification"

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Tested-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn.c  | 2 --
 drivers/net/wireless/iwlwifi/iwl-core.c | 1 +
 drivers/net/wireless/iwlwifi/iwl-core.h | 1 +
 3 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index a4e8db35a55..c41ec5e258b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1078,7 +1078,6 @@ static void iwl_irq_tasklet_legacy(struct iwl_priv *priv)
 	if (inta & (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX)) {
 		iwl_rx_handle(priv);
 		priv->isr_stats.rx++;
-		iwl_leds_background(priv);
 		handled |= (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX);
 	}
 
@@ -1287,7 +1286,6 @@ static void iwl_irq_tasklet(struct iwl_priv *priv)
 				    CSR_INT_PERIODIC_ENA);
 
 		priv->isr_stats.rx++;
-		iwl_leds_background(priv);
 	}
 
 	/* This "Tx" DMA channel is used only for loading uCode */
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index c25cab5d045..7ac6b369890 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -3187,6 +3187,7 @@ void iwl_update_stats(struct iwl_priv *priv, bool is_tx, __le16 fc, u16 len)
 		stats->data_cnt++;
 		stats->data_bytes += len;
 	}
+	iwl_leds_background(priv);
 }
 EXPORT_SYMBOL(iwl_update_stats);
 #endif
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 584a376b96c..f271663c1d2 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -390,6 +390,7 @@ static inline void iwl_update_stats(struct iwl_priv *priv, bool is_tx,
 		/* data */
 		stats->data_bytes += len;
 	}
+	iwl_leds_background(priv);
 }
 #endif
 /*****************************************************
-- 
GitLab


From c15d20c1d19616f73b6fee4befd254d0c37b4d87 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 20 Nov 2009 12:04:55 -0800
Subject: [PATCH 1482/1815] iwlwifi: set sm_ps_mode as part of cfg parameters

Setting "Spatial multiplexing Power Save" as part of
per device configuration parameter.

Report to uCode based on priv->conf setting, so driver can
have more control of how different devices should operate
in power save mode.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-1000.c |  1 +
 drivers/net/wireless/iwlwifi/iwl-4965.c |  1 +
 drivers/net/wireless/iwlwifi/iwl-5000.c |  4 +++
 drivers/net/wireless/iwlwifi/iwl-6000.c |  4 ++-
 drivers/net/wireless/iwlwifi/iwl-agn.c  |  4 ---
 drivers/net/wireless/iwlwifi/iwl-core.c | 45 +++++++++++--------------
 drivers/net/wireless/iwlwifi/iwl-core.h |  4 +--
 drivers/net/wireless/iwlwifi/iwl-dev.h  |  1 -
 8 files changed, 30 insertions(+), 34 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c
index 8f82537045b..8414178bcff 100644
--- a/drivers/net/wireless/iwlwifi/iwl-1000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-1000.c
@@ -173,6 +173,7 @@ struct iwl_cfg iwl1000_bgn_cfg = {
 	.use_rts_for_ht = true, /* use rts/cts protection */
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.support_ct_kill_exit = true,
+	.sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED,
 };
 
 struct iwl_cfg iwl1000_bg_cfg = {
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index 1e58c49dd76..d1fab4e1920 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -2238,6 +2238,7 @@ struct iwl_cfg iwl4965_agn_cfg = {
 	.broken_powersave = true,
 	.led_compensation = 61,
 	.chain_noise_num_beacons = IWL4965_CAL_NUM_BEACONS,
+	.sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED,
 };
 
 /* Module firmware */
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 570eaa08531..90c7b897736 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -1597,6 +1597,7 @@ struct iwl_cfg iwl5300_agn_cfg = {
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+	.sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED,
 };
 
 struct iwl_cfg iwl5100_bg_cfg = {
@@ -1666,6 +1667,7 @@ struct iwl_cfg iwl5100_agn_cfg = {
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+	.sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED,
 };
 
 struct iwl_cfg iwl5350_agn_cfg = {
@@ -1689,6 +1691,7 @@ struct iwl_cfg iwl5350_agn_cfg = {
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+	.sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED,
 };
 
 struct iwl_cfg iwl5150_agn_cfg = {
@@ -1712,6 +1715,7 @@ struct iwl_cfg iwl5150_agn_cfg = {
 	.ht_greenfield_support = true,
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+	.sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED,
 };
 
 MODULE_FIRMWARE(IWL5000_MODULE_FIRMWARE(IWL5000_UCODE_API_MAX));
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index 4ab9897f4fe..74e57104927 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -306,6 +306,7 @@ struct iwl_cfg iwl6000i_2agn_cfg = {
 	.supports_idle = true,
 	.adv_thermal_throttle = true,
 	.support_ct_kill_exit = true,
+	.sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED,
 };
 
 struct iwl_cfg iwl6000i_2abg_cfg = {
@@ -394,7 +395,7 @@ struct iwl_cfg iwl6050_2agn_cfg = {
 	.supports_idle = true,
 	.adv_thermal_throttle = true,
 	.support_ct_kill_exit = true,
-	.support_sm_ps = true,
+	.sm_ps_mode = WLAN_HT_CAP_SM_PS_DYNAMIC,
 };
 
 struct iwl_cfg iwl6050_2abg_cfg = {
@@ -454,6 +455,7 @@ struct iwl_cfg iwl6000_3agn_cfg = {
 	.supports_idle = true,
 	.adv_thermal_throttle = true,
 	.support_ct_kill_exit = true,
+	.sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED,
 };
 
 MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX));
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index c41ec5e258b..7301aa73ab7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -3135,10 +3135,6 @@ static int iwl_init_drv(struct iwl_priv *priv)
 	priv->band = IEEE80211_BAND_2GHZ;
 
 	priv->iw_mode = NL80211_IFTYPE_STATION;
-	if (priv->cfg->support_sm_ps)
-		priv->current_ht_config.sm_ps = WLAN_HT_CAP_SM_PS_DYNAMIC;
-	else
-		priv->current_ht_config.sm_ps = WLAN_HT_CAP_SM_PS_DISABLED;
 
 	/* Choose which receivers/antennas to use */
 	if (priv->cfg->ops->hcmd->set_rxon_chain)
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 7ac6b369890..dbe41cf8943 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -449,13 +449,8 @@ static void iwlcore_init_ht_hw_capab(const struct iwl_priv *priv,
 	if (priv->cfg->ht_greenfield_support)
 		ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
 	ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
-	if (priv->cfg->support_sm_ps)
-		ht_info->cap |= (IEEE80211_HT_CAP_SM_PS &
-				     (WLAN_HT_CAP_SM_PS_DYNAMIC << 2));
-	else
-		ht_info->cap |= (IEEE80211_HT_CAP_SM_PS &
-				     (WLAN_HT_CAP_SM_PS_DISABLED << 2));
-
+	ht_info->cap |= (IEEE80211_HT_CAP_SM_PS &
+			     (priv->cfg->sm_ps_mode << 2));
 	max_bit_rate = MAX_BIT_RATE_20_MHZ;
 	if (priv->hw_params.ht40_channel & BIT(band)) {
 		ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
@@ -1010,25 +1005,23 @@ static int iwl_get_idle_rx_chain_count(struct iwl_priv *priv, int active_cnt)
 	int idle_cnt = active_cnt;
 	bool is_cam = !test_bit(STATUS_POWER_PMI, &priv->status);
 
-	if (priv->cfg->support_sm_ps) {
-		/* # Rx chains when idling and maybe trying to save power */
-		switch (priv->current_ht_config.sm_ps) {
-		case WLAN_HT_CAP_SM_PS_STATIC:
-		case WLAN_HT_CAP_SM_PS_DYNAMIC:
-			idle_cnt = (is_cam) ? IWL_NUM_IDLE_CHAINS_DUAL :
-				IWL_NUM_IDLE_CHAINS_SINGLE;
-			break;
-		case WLAN_HT_CAP_SM_PS_DISABLED:
-			idle_cnt = (is_cam) ? active_cnt :
-				IWL_NUM_IDLE_CHAINS_SINGLE;
-			break;
-		case WLAN_HT_CAP_SM_PS_INVALID:
-		default:
-			IWL_ERR(priv, "invalid sm_ps mode %d\n",
-				priv->current_ht_config.sm_ps);
-			WARN_ON(1);
-			break;
-		}
+	/* # Rx chains when idling and maybe trying to save power */
+	switch (priv->cfg->sm_ps_mode) {
+	case WLAN_HT_CAP_SM_PS_STATIC:
+		idle_cnt = (is_cam) ? active_cnt : IWL_NUM_IDLE_CHAINS_SINGLE;
+		break;
+	case WLAN_HT_CAP_SM_PS_DYNAMIC:
+		idle_cnt = (is_cam) ? IWL_NUM_IDLE_CHAINS_DUAL :
+			IWL_NUM_IDLE_CHAINS_SINGLE;
+		break;
+	case WLAN_HT_CAP_SM_PS_DISABLED:
+		break;
+	case WLAN_HT_CAP_SM_PS_INVALID:
+	default:
+		IWL_ERR(priv, "invalid sm_ps mode %u\n",
+			priv->cfg->sm_ps_mode);
+		WARN_ON(1);
+		break;
 	}
 	return idle_cnt;
 }
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index f271663c1d2..334da64d968 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -228,7 +228,7 @@ struct iwl_mod_params {
  * @chain_noise_num_beacons: number of beacons used to compute chain noise
  * @adv_thermal_throttle: support advance thermal throttle
  * @support_ct_kill_exit: support ct kill exit condition
- * @support_sm_ps: support spatial multiplexing power save
+ * @sm_ps_mode: spatial multiplexing power save mode
  * @support_wimax_coexist: support wimax/wifi co-exist
  *
  * We enable the driver to be backward compatible wrt API version. The
@@ -285,7 +285,7 @@ struct iwl_cfg {
 	const bool supports_idle;
 	bool adv_thermal_throttle;
 	bool support_ct_kill_exit;
-	bool support_sm_ps;
+	u8 sm_ps_mode;
 	const bool support_wimax_coexist;
 };
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index f1601cfebc2..1c1ed4bfcb0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -511,7 +511,6 @@ struct iwl_ht_config {
 	bool is_ht;
 	bool is_40mhz;
 	bool single_chain_sufficient;
-	u8 sm_ps;
 	/* BSS related data */
 	u8 extension_chan_offset;
 	u8 ht_protection;
-- 
GitLab


From 7163b8a4ec995dabda3e92c6fed7b8600060618c Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 20 Nov 2009 12:04:56 -0800
Subject: [PATCH 1483/1815] iwlwifi: reset led_tpt when clear tx/rx traffic
 byte counts

LED blink rate is based on the traffic load, when tx/rx traffic counts
got reset, we also need to reset the led_tpt to prevent incorrect
blink rate being calculated.

Merge both clear_tx_statistics() and clear_rx_statistics() into
single clear_traffic_statistics() function, when reset the traffic byte
counts, both tx and rx need to be reset at the same time, to make
sure calculated the correct led blink rate.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-core.c    |  8 ++---
 drivers/net/wireless/iwlwifi/iwl-core.h    |  3 +-
 drivers/net/wireless/iwlwifi/iwl-debug.h   |  3 +-
 drivers/net/wireless/iwlwifi/iwl-debugfs.c | 42 +++++++---------------
 4 files changed, 18 insertions(+), 38 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index dbe41cf8943..c2263180614 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -3079,15 +3079,11 @@ const char *get_ctrl_string(int cmd)
 	}
 }
 
-void iwl_clear_tx_stats(struct iwl_priv *priv)
+void iwl_clear_traffic_stats(struct iwl_priv *priv)
 {
 	memset(&priv->tx_stats, 0, sizeof(struct traffic_stats));
-
-}
-
-void iwl_clear_rx_stats(struct iwl_priv *priv)
-{
 	memset(&priv->rx_stats, 0, sizeof(struct traffic_stats));
+	priv->led_tpt = 0;
 }
 
 /*
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 334da64d968..0779158fed2 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -353,8 +353,7 @@ void iwl_dbg_log_rx_data_frame(struct iwl_priv *priv,
 				u16 length, struct ieee80211_hdr *header);
 const char *get_mgmt_string(int cmd);
 const char *get_ctrl_string(int cmd);
-void iwl_clear_tx_stats(struct iwl_priv *priv);
-void iwl_clear_rx_stats(struct iwl_priv *priv);
+void iwl_clear_traffic_stats(struct iwl_priv *priv);
 void iwl_update_stats(struct iwl_priv *priv, bool is_tx, __le16 fc,
 		      u16 len);
 #else
diff --git a/drivers/net/wireless/iwlwifi/iwl-debug.h b/drivers/net/wireless/iwlwifi/iwl-debug.h
index 25a0e73314f..d61293ab67c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debug.h
+++ b/drivers/net/wireless/iwlwifi/iwl-debug.h
@@ -107,7 +107,8 @@ struct iwl_debugfs {
 		struct dentry *file_chain_noise;
 		struct dentry *file_tx_power;
 		struct dentry *file_power_save_status;
-		struct dentry *file_clear_statistics;
+		struct dentry *file_clear_ucode_statistics;
+		struct dentry *file_clear_traffic_statistics;
 	} dbgfs_debug_files;
 	u32 sram_offset;
 	u32 sram_len;
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index 9a5ca25d72c..b8f9edc3d99 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -160,7 +160,7 @@ static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
 	return ret;
 }
 
-static ssize_t iwl_dbgfs_tx_statistics_write(struct file *file,
+static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file,
 					const char __user *user_buf,
 					size_t count, loff_t *ppos)
 {
@@ -175,8 +175,7 @@ static ssize_t iwl_dbgfs_tx_statistics_write(struct file *file,
 		return -EFAULT;
 	if (sscanf(buf, "%x", &clear_flag) != 1)
 		return -EFAULT;
-	if (clear_flag == 1)
-		iwl_clear_tx_stats(priv);
+	iwl_clear_traffic_stats(priv);
 
 	return count;
 }
@@ -221,26 +220,6 @@ static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
 	return ret;
 }
 
-static ssize_t iwl_dbgfs_rx_statistics_write(struct file *file,
-					const char __user *user_buf,
-					size_t count, loff_t *ppos)
-{
-	struct iwl_priv *priv = file->private_data;
-	u32 clear_flag;
-	char buf[8];
-	int buf_size;
-
-	memset(buf, 0, sizeof(buf));
-	buf_size = min(count, sizeof(buf) -  1);
-	if (copy_from_user(buf, user_buf, buf_size))
-		return -EFAULT;
-	if (sscanf(buf, "%x", &clear_flag) != 1)
-		return -EFAULT;
-	if (clear_flag == 1)
-		iwl_clear_rx_stats(priv);
-	return count;
-}
-
 #define BYTE1_MASK 0x000000ff;
 #define BYTE2_MASK 0x0000ffff;
 #define BYTE3_MASK 0x00ffffff;
@@ -1823,7 +1802,7 @@ static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
 	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 }
 
-static ssize_t iwl_dbgfs_clear_statistics_write(struct file *file,
+static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
 					 const char __user *user_buf,
 					 size_t count, loff_t *ppos)
 {
@@ -1847,8 +1826,8 @@ static ssize_t iwl_dbgfs_clear_statistics_write(struct file *file,
 	return count;
 }
 
-DEBUGFS_READ_WRITE_FILE_OPS(rx_statistics);
-DEBUGFS_READ_WRITE_FILE_OPS(tx_statistics);
+DEBUGFS_READ_FILE_OPS(rx_statistics);
+DEBUGFS_READ_FILE_OPS(tx_statistics);
 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
 DEBUGFS_READ_FILE_OPS(rx_queue);
 DEBUGFS_READ_FILE_OPS(tx_queue);
@@ -1859,7 +1838,8 @@ DEBUGFS_READ_FILE_OPS(sensitivity);
 DEBUGFS_READ_FILE_OPS(chain_noise);
 DEBUGFS_READ_FILE_OPS(tx_power);
 DEBUGFS_READ_FILE_OPS(power_save_status);
-DEBUGFS_WRITE_FILE_OPS(clear_statistics);
+DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
+DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
 
 /*
  * Create the debugfs files and directories
@@ -1908,7 +1888,8 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
 	DEBUGFS_ADD_FILE(tx_queue, debug);
 	DEBUGFS_ADD_FILE(tx_power, debug);
 	DEBUGFS_ADD_FILE(power_save_status, debug);
-	DEBUGFS_ADD_FILE(clear_statistics, debug);
+	DEBUGFS_ADD_FILE(clear_ucode_statistics, debug);
+	DEBUGFS_ADD_FILE(clear_traffic_statistics, debug);
 	if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
 		DEBUGFS_ADD_FILE(ucode_rx_stats, debug);
 		DEBUGFS_ADD_FILE(ucode_tx_stats, debug);
@@ -1962,7 +1943,10 @@ void iwl_dbgfs_unregister(struct iwl_priv *priv)
 	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_queue);
 	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_power);
 	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_power_save_status);
-	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_clear_statistics);
+	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
+			file_clear_ucode_statistics);
+	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
+			file_clear_traffic_statistics);
 	if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
 		DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
 			file_ucode_rx_stats);
-- 
GitLab


From bc6c94f609d2f63347d4a05f28993792ae38caad Mon Sep 17 00:00:00 2001
From: Reinette Chatre <reinette.chatre@intel.com>
Date: Fri, 20 Nov 2009 12:04:57 -0800
Subject: [PATCH 1484/1815] iwl3945: removed unused struct and definitions

Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-3945.h | 9 ---------
 drivers/net/wireless/iwlwifi/iwl-dev.h  | 8 --------
 2 files changed, 17 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.h b/drivers/net/wireless/iwlwifi/iwl-3945.h
index 2b0d65c5780..a41f0e098cf 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.h
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.h
@@ -221,19 +221,10 @@ struct iwl3945_ibss_seq {
  * for use by iwl-*.c
  *
  *****************************************************************************/
-extern int iwl3945_power_init_handle(struct iwl_priv *priv);
-extern int iwl3945_eeprom_init(struct iwl_priv *priv);
 extern int iwl3945_calc_db_from_ratio(int sig_ratio);
 extern int iwl3945_calc_sig_qual(int rssi_dbm, int noise_dbm);
-extern int iwl3945_tx_queue_init(struct iwl_priv *priv,
-			     struct iwl_tx_queue *txq, int count, u32 id);
 extern void iwl3945_rx_replenish(void *data);
 extern void iwl3945_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
-extern void iwl3945_tx_queue_free(struct iwl_priv *priv, struct iwl_tx_queue *txq);
-extern int iwl3945_send_cmd_pdu(struct iwl_priv *priv, u8 id, u16 len,
-			    const void *data);
-extern int __must_check iwl3945_send_cmd(struct iwl_priv *priv,
-					 struct iwl_host_cmd *cmd);
 extern unsigned int iwl3945_fill_beacon_frame(struct iwl_priv *priv,
 					struct ieee80211_hdr *hdr,int left);
 extern void iwl3945_dump_nic_event_log(struct iwl_priv *priv);
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 1c1ed4bfcb0..4ded1900540 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -544,14 +544,6 @@ struct iwl_qos_info {
 	struct iwl_qosparam_cmd def_qos_parm;
 };
 
-
-struct iwl3945_station_entry {
-	struct iwl3945_addsta_cmd sta;
-	struct iwl_tid_data tid[MAX_TID_COUNT];
-	u8 used;
-	struct iwl_hw_key keyinfo;
-};
-
 struct iwl_station_entry {
 	struct iwl_addsta_cmd sta;
 	struct iwl_tid_data tid[MAX_TID_COUNT];
-- 
GitLab


From 43e851157adb966dd633e983b24040f72877737e Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 20 Nov 2009 12:04:58 -0800
Subject: [PATCH 1485/1815] iwlwifi: set read/write permission for debugfs
 files

Set the correct Read/Write file permission for iwlwifi debugfs files
based on the functionality of the files

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn-rs.c  |  8 +--
 drivers/net/wireless/iwlwifi/iwl-debugfs.c | 58 +++++++++++-----------
 2 files changed, 33 insertions(+), 33 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
index 2f09e3b7f0e..fe511cbf012 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
@@ -2964,16 +2964,16 @@ static void rs_add_debugfs(void *priv, void *priv_sta,
 {
 	struct iwl_lq_sta *lq_sta = priv_sta;
 	lq_sta->rs_sta_dbgfs_scale_table_file =
-		debugfs_create_file("rate_scale_table", 0600, dir,
+		debugfs_create_file("rate_scale_table", S_IRUSR | S_IWUSR, dir,
 				lq_sta, &rs_sta_dbgfs_scale_table_ops);
 	lq_sta->rs_sta_dbgfs_stats_table_file =
-		debugfs_create_file("rate_stats_table", 0600, dir,
+		debugfs_create_file("rate_stats_table", S_IRUSR, dir,
 			lq_sta, &rs_sta_dbgfs_stats_table_ops);
 	lq_sta->rs_sta_dbgfs_rate_scale_data_file =
-		debugfs_create_file("rate_scale_data", 0600, dir,
+		debugfs_create_file("rate_scale_data", S_IRUSR, dir,
 			lq_sta, &rs_sta_dbgfs_rate_scale_data_ops);
 	lq_sta->rs_sta_dbgfs_tx_agg_tid_en_file =
-		debugfs_create_u8("tx_agg_tid_enable", 0600, dir,
+		debugfs_create_u8("tx_agg_tid_enable", S_IRUSR | S_IWUSR, dir,
 		&lq_sta->tx_agg_tid_en);
 
 }
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index b8f9edc3d99..e6194c8e7f7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -47,9 +47,9 @@
 		goto err; 						\
 } while (0)
 
-#define DEBUGFS_ADD_FILE(name, parent) do {                             \
+#define DEBUGFS_ADD_FILE(name, parent, mode) do {                       \
 	dbgfs->dbgfs_##parent##_files.file_##name =                     \
-	debugfs_create_file(#name, S_IWUSR | S_IRUSR,                   \
+	debugfs_create_file(#name, mode,                                \
 				dbgfs->dir_##parent, priv,              \
 				&iwl_dbgfs_##name##_ops);               \
 	if (!(dbgfs->dbgfs_##parent##_files.file_##name))               \
@@ -1868,34 +1868,34 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
 	DEBUGFS_ADD_DIR(data, dbgfs->dir_drv);
 	DEBUGFS_ADD_DIR(rf, dbgfs->dir_drv);
 	DEBUGFS_ADD_DIR(debug, dbgfs->dir_drv);
-	DEBUGFS_ADD_FILE(nvm, data);
-	DEBUGFS_ADD_FILE(sram, data);
-	DEBUGFS_ADD_FILE(log_event, data);
-	DEBUGFS_ADD_FILE(stations, data);
-	DEBUGFS_ADD_FILE(channels, data);
-	DEBUGFS_ADD_FILE(status, data);
-	DEBUGFS_ADD_FILE(interrupt, data);
-	DEBUGFS_ADD_FILE(qos, data);
-	DEBUGFS_ADD_FILE(led, data);
-	DEBUGFS_ADD_FILE(sleep_level_override, data);
-	DEBUGFS_ADD_FILE(current_sleep_command, data);
-	DEBUGFS_ADD_FILE(thermal_throttling, data);
-	DEBUGFS_ADD_FILE(disable_ht40, data);
-	DEBUGFS_ADD_FILE(rx_statistics, debug);
-	DEBUGFS_ADD_FILE(tx_statistics, debug);
-	DEBUGFS_ADD_FILE(traffic_log, debug);
-	DEBUGFS_ADD_FILE(rx_queue, debug);
-	DEBUGFS_ADD_FILE(tx_queue, debug);
-	DEBUGFS_ADD_FILE(tx_power, debug);
-	DEBUGFS_ADD_FILE(power_save_status, debug);
-	DEBUGFS_ADD_FILE(clear_ucode_statistics, debug);
-	DEBUGFS_ADD_FILE(clear_traffic_statistics, debug);
+	DEBUGFS_ADD_FILE(nvm, data, S_IRUSR);
+	DEBUGFS_ADD_FILE(sram, data, S_IWUSR | S_IRUSR);
+	DEBUGFS_ADD_FILE(log_event, data, S_IWUSR);
+	DEBUGFS_ADD_FILE(stations, data, S_IRUSR);
+	DEBUGFS_ADD_FILE(channels, data, S_IRUSR);
+	DEBUGFS_ADD_FILE(status, data, S_IRUSR);
+	DEBUGFS_ADD_FILE(interrupt, data, S_IWUSR | S_IRUSR);
+	DEBUGFS_ADD_FILE(qos, data, S_IRUSR);
+	DEBUGFS_ADD_FILE(led, data, S_IRUSR);
+	DEBUGFS_ADD_FILE(sleep_level_override, data, S_IWUSR | S_IRUSR);
+	DEBUGFS_ADD_FILE(current_sleep_command, data, S_IRUSR);
+	DEBUGFS_ADD_FILE(thermal_throttling, data, S_IRUSR);
+	DEBUGFS_ADD_FILE(disable_ht40, data, S_IWUSR | S_IRUSR);
+	DEBUGFS_ADD_FILE(rx_statistics, debug, S_IRUSR);
+	DEBUGFS_ADD_FILE(tx_statistics, debug, S_IRUSR);
+	DEBUGFS_ADD_FILE(traffic_log, debug, S_IWUSR | S_IRUSR);
+	DEBUGFS_ADD_FILE(rx_queue, debug, S_IRUSR);
+	DEBUGFS_ADD_FILE(tx_queue, debug, S_IRUSR);
+	DEBUGFS_ADD_FILE(tx_power, debug, S_IRUSR);
+	DEBUGFS_ADD_FILE(power_save_status, debug, S_IRUSR);
+	DEBUGFS_ADD_FILE(clear_ucode_statistics, debug, S_IWUSR);
+	DEBUGFS_ADD_FILE(clear_traffic_statistics, debug, S_IWUSR);
 	if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
-		DEBUGFS_ADD_FILE(ucode_rx_stats, debug);
-		DEBUGFS_ADD_FILE(ucode_tx_stats, debug);
-		DEBUGFS_ADD_FILE(ucode_general_stats, debug);
-		DEBUGFS_ADD_FILE(sensitivity, debug);
-		DEBUGFS_ADD_FILE(chain_noise, debug);
+		DEBUGFS_ADD_FILE(ucode_rx_stats, debug, S_IRUSR);
+		DEBUGFS_ADD_FILE(ucode_tx_stats, debug, S_IRUSR);
+		DEBUGFS_ADD_FILE(ucode_general_stats, debug, S_IRUSR);
+		DEBUGFS_ADD_FILE(sensitivity, debug, S_IRUSR);
+		DEBUGFS_ADD_FILE(chain_noise, debug, S_IRUSR);
 	}
 	DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal);
 	DEBUGFS_ADD_BOOL(disable_chain_noise, rf,
-- 
GitLab


From d23db556819c00d297c0f447bdd75b282d563122 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 20 Nov 2009 12:04:59 -0800
Subject: [PATCH 1486/1815] iwlwifi: increase tx_queue debugfs buffer size

For tx_queue, need to increase the buffer size allocated for it,
so all the queues information can be displayed

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-debugfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index e6194c8e7f7..4630094b4ca 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -964,7 +964,7 @@ static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
 	int pos = 0;
 	int cnt;
 	int ret;
-	const size_t bufsz = sizeof(char) * 60 * priv->cfg->num_of_queues;
+	const size_t bufsz = sizeof(char) * 64 * priv->cfg->num_of_queues;
 
 	if (!priv->txq) {
 		IWL_ERR(priv, "txq not ready\n");
-- 
GitLab


From 2943f136ffe29adb08162197b129bf8106e8191c Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 20 Nov 2009 12:05:00 -0800
Subject: [PATCH 1487/1815] iwlwifi: dynamically allocate buffer for sram
 debugfs file

Dynamically allocate memory for dumping SRAM based on the length of memory
to be displayed.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-debugfs.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index 4630094b4ca..016ff4014a7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -228,13 +228,21 @@ static ssize_t iwl_dbgfs_sram_read(struct file *file,
 					size_t count, loff_t *ppos)
 {
 	u32 val;
-	char buf[1024];
+	char *buf;
 	ssize_t ret;
 	int i;
 	int pos = 0;
 	struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
-	const size_t bufsz = sizeof(buf);
+	size_t bufsz;
 
+	bufsz =  30 + priv->dbgfs->sram_len * sizeof(char) * 12;
+	buf = kmalloc(bufsz, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+	pos += scnprintf(buf + pos, bufsz - pos, "sram_len: %d\n",
+			priv->dbgfs->sram_len);
+	pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: %d\n",
+			priv->dbgfs->sram_offset);
 	for (i = priv->dbgfs->sram_len; i > 0; i -= 4) {
 		val = iwl_read_targ_mem(priv, priv->dbgfs->sram_offset + \
 					priv->dbgfs->sram_len - i);
@@ -251,11 +259,14 @@ static ssize_t iwl_dbgfs_sram_read(struct file *file,
 				break;
 			}
 		}
+		if (!(i % 16))
+			pos += scnprintf(buf + pos, bufsz - pos, "\n");
 		pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val);
 	}
 	pos += scnprintf(buf + pos, bufsz - pos, "\n");
 
 	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+	kfree(buf);
 	return ret;
 }
 
-- 
GitLab


From 6262408392aa66083c9d5db101755fe753c97d4e Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 20 Nov 2009 12:05:01 -0800
Subject: [PATCH 1488/1815] iwlwifi: fix reserved2 field in iwl4965_addsta

reserved2 field in "struct iwl4965_addsta_cmd" is __le16.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-4965.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index d1fab4e1920..a8914898133 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -1819,7 +1819,7 @@ static u16 iwl4965_build_addsta_hcmd(const struct iwl_addsta_cmd *cmd, u8 *data)
 	addsta->add_immediate_ba_ssn = cmd->add_immediate_ba_ssn;
 	addsta->sleep_tx_count = cmd->sleep_tx_count;
 	addsta->reserved1 = cpu_to_le16(0);
-	addsta->reserved2 = cpu_to_le32(0);
+	addsta->reserved2 = cpu_to_le16(0);
 
 	return (u16)sizeof(struct iwl4965_addsta_cmd);
 }
-- 
GitLab


From 0fd95afc7b8ae19045dc03ffeafb3afda78cb681 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Fri, 20 Nov 2009 12:05:02 -0800
Subject: [PATCH 1489/1815] iwlwifi: separate IO tracing

Since IO tracing is usually not needed and
generates a lot of data, separate it into
its own trace system so that we can always
enable iwlwifi:* and not have to worry about
getting too much data. If IO tracing is then
really needed we can enable iwlwifi_io:* in
addition and get that data.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-devtrace.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-devtrace.h b/drivers/net/wireless/iwlwifi/iwl-devtrace.h
index f2d4b01ba46..21361968ab7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-devtrace.h
+++ b/drivers/net/wireless/iwlwifi/iwl-devtrace.h
@@ -14,7 +14,7 @@ static inline void trace_ ## name(proto) {}
 #define PRIV_ASSIGN	__entry->priv = priv
 
 #undef TRACE_SYSTEM
-#define TRACE_SYSTEM iwlwifi
+#define TRACE_SYSTEM iwlwifi_io
 
 TRACE_EVENT(iwlwifi_dev_ioread32,
 	TP_PROTO(struct iwl_priv *priv, u32 offs, u32 val),
@@ -64,6 +64,9 @@ TRACE_EVENT(iwlwifi_dev_iowrite32,
 	TP_printk("[%p] write io[%#x] = %#x)", __entry->priv, __entry->offs, __entry->val)
 );
 
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM iwlwifi
+
 TRACE_EVENT(iwlwifi_dev_hcmd,
 	TP_PROTO(struct iwl_priv *priv, void *hcmd, size_t len, u32 flags),
 	TP_ARGS(priv, hcmd, len, flags),
-- 
GitLab


From ac592574a577162183b5c1dd040a188caa068a29 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 20 Nov 2009 12:05:03 -0800
Subject: [PATCH 1490/1815] iwlwifi: update supported PCI_ID list for 5xx0
 series

Update the PCI_ID list for 5xx0 series.
Remove all the PCI_IDs which never made into production or not longer in
production.

Also make sure the supported bands(a/b/g/n) match specified PCI_IDs

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-5000.c | 29 ++++++++--
 drivers/net/wireless/iwlwifi/iwl-agn.c  | 74 +++++++++++++++++++------
 drivers/net/wireless/iwlwifi/iwl-dev.h  |  3 +-
 3 files changed, 84 insertions(+), 22 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 90c7b897736..9175158f358 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -1600,12 +1600,12 @@ struct iwl_cfg iwl5300_agn_cfg = {
 	.sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED,
 };
 
-struct iwl_cfg iwl5100_bg_cfg = {
-	.name = "5100BG",
+struct iwl_cfg iwl5100_bgn_cfg = {
+	.name = "5100BGN",
 	.fw_name_pre = IWL5000_FW_PRE,
 	.ucode_api_max = IWL5000_UCODE_API_MAX,
 	.ucode_api_min = IWL5000_UCODE_API_MIN,
-	.sku = IWL_SKU_G,
+	.sku = IWL_SKU_G|IWL_SKU_N,
 	.ops = &iwl5000_ops,
 	.eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
 	.eeprom_ver = EEPROM_5000_EEPROM_VERSION,
@@ -1641,7 +1641,6 @@ struct iwl_cfg iwl5100_abg_cfg = {
 	.pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
 	.set_l0s = true,
 	.use_bsm = false,
-	.ht_greenfield_support = true,
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 };
@@ -1718,6 +1717,28 @@ struct iwl_cfg iwl5150_agn_cfg = {
 	.sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED,
 };
 
+struct iwl_cfg iwl5150_abg_cfg = {
+	.name = "5150ABG",
+	.fw_name_pre = IWL5150_FW_PRE,
+	.ucode_api_max = IWL5150_UCODE_API_MAX,
+	.ucode_api_min = IWL5150_UCODE_API_MIN,
+	.sku = IWL_SKU_A|IWL_SKU_G,
+	.ops = &iwl5150_ops,
+	.eeprom_size = IWL_5000_EEPROM_IMG_SIZE,
+	.eeprom_ver = EEPROM_5050_EEPROM_VERSION,
+	.eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION,
+	.num_of_queues = IWL50_NUM_QUEUES,
+	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
+	.mod_params = &iwl50_mod_params,
+	.valid_tx_ant = ANT_A,
+	.valid_rx_ant = ANT_AB,
+	.pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
+	.set_l0s = true,
+	.use_bsm = false,
+	.led_compensation = 51,
+	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+};
+
 MODULE_FIRMWARE(IWL5000_MODULE_FIRMWARE(IWL5000_UCODE_API_MAX));
 MODULE_FIRMWARE(IWL5150_MODULE_FIRMWARE(IWL5150_UCODE_API_MAX));
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 7301aa73ab7..92f9df6a04a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -3541,23 +3541,63 @@ static struct pci_device_id iwl_hw_card_ids[] = {
 	{IWL_PCI_DEVICE(0x4230, PCI_ANY_ID, iwl4965_agn_cfg)},
 #endif /* CONFIG_IWL4965 */
 #ifdef CONFIG_IWL5000
-	{IWL_PCI_DEVICE(0x4232, 0x1205, iwl5100_bg_cfg)},
-	{IWL_PCI_DEVICE(0x4232, 0x1305, iwl5100_bg_cfg)},
-	{IWL_PCI_DEVICE(0x4232, 0x1206, iwl5100_abg_cfg)},
-	{IWL_PCI_DEVICE(0x4232, 0x1306, iwl5100_abg_cfg)},
-	{IWL_PCI_DEVICE(0x4232, 0x1326, iwl5100_abg_cfg)},
-	{IWL_PCI_DEVICE(0x4237, 0x1216, iwl5100_abg_cfg)},
-	{IWL_PCI_DEVICE(0x4232, PCI_ANY_ID, iwl5100_agn_cfg)},
-	{IWL_PCI_DEVICE(0x4235, PCI_ANY_ID, iwl5300_agn_cfg)},
-	{IWL_PCI_DEVICE(0x4236, PCI_ANY_ID, iwl5300_agn_cfg)},
-	{IWL_PCI_DEVICE(0x4237, PCI_ANY_ID, iwl5100_agn_cfg)},
-/* 5350 WiFi/WiMax */
-	{IWL_PCI_DEVICE(0x423A, 0x1001, iwl5350_agn_cfg)},
-	{IWL_PCI_DEVICE(0x423A, 0x1021, iwl5350_agn_cfg)},
-	{IWL_PCI_DEVICE(0x423B, 0x1011, iwl5350_agn_cfg)},
-/* 5150 Wifi/WiMax */
-	{IWL_PCI_DEVICE(0x423C, PCI_ANY_ID, iwl5150_agn_cfg)},
-	{IWL_PCI_DEVICE(0x423D, PCI_ANY_ID, iwl5150_agn_cfg)},
+/* 5100 Series WiFi */
+	{IWL_PCI_DEVICE(0x4232, 0x1201, iwl5100_agn_cfg)}, /* Mini Card */
+	{IWL_PCI_DEVICE(0x4232, 0x1301, iwl5100_agn_cfg)}, /* Half Mini Card */
+	{IWL_PCI_DEVICE(0x4232, 0x1204, iwl5100_agn_cfg)}, /* Mini Card */
+	{IWL_PCI_DEVICE(0x4232, 0x1304, iwl5100_agn_cfg)}, /* Half Mini Card */
+	{IWL_PCI_DEVICE(0x4232, 0x1205, iwl5100_bgn_cfg)}, /* Mini Card */
+	{IWL_PCI_DEVICE(0x4232, 0x1305, iwl5100_bgn_cfg)}, /* Half Mini Card */
+	{IWL_PCI_DEVICE(0x4232, 0x1206, iwl5100_abg_cfg)}, /* Mini Card */
+	{IWL_PCI_DEVICE(0x4232, 0x1306, iwl5100_abg_cfg)}, /* Half Mini Card */
+	{IWL_PCI_DEVICE(0x4232, 0x1221, iwl5100_agn_cfg)}, /* Mini Card */
+	{IWL_PCI_DEVICE(0x4232, 0x1321, iwl5100_agn_cfg)}, /* Half Mini Card */
+	{IWL_PCI_DEVICE(0x4232, 0x1224, iwl5100_agn_cfg)}, /* Mini Card */
+	{IWL_PCI_DEVICE(0x4232, 0x1324, iwl5100_agn_cfg)}, /* Half Mini Card */
+	{IWL_PCI_DEVICE(0x4232, 0x1225, iwl5100_bgn_cfg)}, /* Mini Card */
+	{IWL_PCI_DEVICE(0x4232, 0x1325, iwl5100_bgn_cfg)}, /* Half Mini Card */
+	{IWL_PCI_DEVICE(0x4232, 0x1226, iwl5100_abg_cfg)}, /* Mini Card */
+	{IWL_PCI_DEVICE(0x4232, 0x1326, iwl5100_abg_cfg)}, /* Half Mini Card */
+	{IWL_PCI_DEVICE(0x4237, 0x1211, iwl5100_agn_cfg)}, /* Mini Card */
+	{IWL_PCI_DEVICE(0x4237, 0x1311, iwl5100_agn_cfg)}, /* Half Mini Card */
+	{IWL_PCI_DEVICE(0x4237, 0x1214, iwl5100_agn_cfg)}, /* Mini Card */
+	{IWL_PCI_DEVICE(0x4237, 0x1314, iwl5100_agn_cfg)}, /* Half Mini Card */
+	{IWL_PCI_DEVICE(0x4237, 0x1215, iwl5100_bgn_cfg)}, /* Mini Card */
+	{IWL_PCI_DEVICE(0x4237, 0x1315, iwl5100_bgn_cfg)}, /* Half Mini Card */
+	{IWL_PCI_DEVICE(0x4237, 0x1216, iwl5100_abg_cfg)}, /* Mini Card */
+	{IWL_PCI_DEVICE(0x4237, 0x1316, iwl5100_abg_cfg)}, /* Half Mini Card */
+
+/* 5300 Series WiFi */
+	{IWL_PCI_DEVICE(0x4235, 0x1021, iwl5300_agn_cfg)}, /* Mini Card */
+	{IWL_PCI_DEVICE(0x4235, 0x1121, iwl5300_agn_cfg)}, /* Half Mini Card */
+	{IWL_PCI_DEVICE(0x4235, 0x1024, iwl5300_agn_cfg)}, /* Mini Card */
+	{IWL_PCI_DEVICE(0x4235, 0x1124, iwl5300_agn_cfg)}, /* Half Mini Card */
+	{IWL_PCI_DEVICE(0x4235, 0x1001, iwl5300_agn_cfg)}, /* Mini Card */
+	{IWL_PCI_DEVICE(0x4235, 0x1101, iwl5300_agn_cfg)}, /* Half Mini Card */
+	{IWL_PCI_DEVICE(0x4235, 0x1004, iwl5300_agn_cfg)}, /* Mini Card */
+	{IWL_PCI_DEVICE(0x4235, 0x1104, iwl5300_agn_cfg)}, /* Half Mini Card */
+	{IWL_PCI_DEVICE(0x4236, 0x1011, iwl5300_agn_cfg)}, /* Mini Card */
+	{IWL_PCI_DEVICE(0x4236, 0x1111, iwl5300_agn_cfg)}, /* Half Mini Card */
+	{IWL_PCI_DEVICE(0x4236, 0x1014, iwl5300_agn_cfg)}, /* Mini Card */
+	{IWL_PCI_DEVICE(0x4236, 0x1114, iwl5300_agn_cfg)}, /* Half Mini Card */
+
+/* 5350 Series WiFi/WiMax */
+	{IWL_PCI_DEVICE(0x423A, 0x1001, iwl5350_agn_cfg)}, /* Mini Card */
+	{IWL_PCI_DEVICE(0x423A, 0x1021, iwl5350_agn_cfg)}, /* Mini Card */
+	{IWL_PCI_DEVICE(0x423B, 0x1011, iwl5350_agn_cfg)}, /* Mini Card */
+
+/* 5150 Series Wifi/WiMax */
+	{IWL_PCI_DEVICE(0x423C, 0x1201, iwl5150_agn_cfg)}, /* Mini Card */
+	{IWL_PCI_DEVICE(0x423C, 0x1301, iwl5150_agn_cfg)}, /* Half Mini Card */
+	{IWL_PCI_DEVICE(0x423C, 0x1206, iwl5150_abg_cfg)}, /* Mini Card */
+	{IWL_PCI_DEVICE(0x423C, 0x1306, iwl5150_abg_cfg)}, /* Half Mini Card */
+	{IWL_PCI_DEVICE(0x423C, 0x1221, iwl5150_agn_cfg)}, /* Mini Card */
+	{IWL_PCI_DEVICE(0x423C, 0x1321, iwl5150_agn_cfg)}, /* Half Mini Card */
+
+	{IWL_PCI_DEVICE(0x423D, 0x1211, iwl5150_agn_cfg)}, /* Mini Card */
+	{IWL_PCI_DEVICE(0x423D, 0x1311, iwl5150_agn_cfg)}, /* Half Mini Card */
+	{IWL_PCI_DEVICE(0x423D, 0x1216, iwl5150_abg_cfg)}, /* Mini Card */
+	{IWL_PCI_DEVICE(0x423D, 0x1316, iwl5150_abg_cfg)}, /* Half Mini Card */
 
 /* 6x00 Series */
 	{IWL_PCI_DEVICE(0x422B, 0x1101, iwl6000_3agn_cfg)},
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 4ded1900540..2673e9a4db9 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -52,9 +52,10 @@ extern struct iwl_cfg iwl4965_agn_cfg;
 extern struct iwl_cfg iwl5300_agn_cfg;
 extern struct iwl_cfg iwl5100_agn_cfg;
 extern struct iwl_cfg iwl5350_agn_cfg;
-extern struct iwl_cfg iwl5100_bg_cfg;
+extern struct iwl_cfg iwl5100_bgn_cfg;
 extern struct iwl_cfg iwl5100_abg_cfg;
 extern struct iwl_cfg iwl5150_agn_cfg;
+extern struct iwl_cfg iwl5150_abg_cfg;
 extern struct iwl_cfg iwl6000i_2agn_cfg;
 extern struct iwl_cfg iwl6000i_2abg_cfg;
 extern struct iwl_cfg iwl6000i_2bg_cfg;
-- 
GitLab


From 5ade1e4dd1df436c3a441d17321c24aac8497306 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 20 Nov 2009 12:05:04 -0800
Subject: [PATCH 1491/1815] iwlwifi: by default, dump entire sram data portion

For "sram" debugfs file, if user did not specify the offset and length,
dump the entire data portion of sram by default.
Data portion is 0x800000 - 0x80ffff, but the actual data size is known
to the driver from the ucode file.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-debugfs.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index 016ff4014a7..5adf0b60620 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -235,13 +235,21 @@ static ssize_t iwl_dbgfs_sram_read(struct file *file,
 	struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 	size_t bufsz;
 
-	bufsz =  30 + priv->dbgfs->sram_len * sizeof(char) * 12;
+	/* default is to dump the entire data segment */
+	if (!priv->dbgfs->sram_offset && !priv->dbgfs->sram_len) {
+		priv->dbgfs->sram_offset = 0x800000;
+		if (priv->ucode_type == UCODE_INIT)
+			priv->dbgfs->sram_len = priv->ucode_init_data.len;
+		else
+			priv->dbgfs->sram_len = priv->ucode_data.len;
+	}
+	bufsz =  30 + priv->dbgfs->sram_len * sizeof(char) * 10;
 	buf = kmalloc(bufsz, GFP_KERNEL);
 	if (!buf)
 		return -ENOMEM;
-	pos += scnprintf(buf + pos, bufsz - pos, "sram_len: %d\n",
+	pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
 			priv->dbgfs->sram_len);
-	pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: %d\n",
+	pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
 			priv->dbgfs->sram_offset);
 	for (i = priv->dbgfs->sram_len; i > 0; i -= 4) {
 		val = iwl_read_targ_mem(priv, priv->dbgfs->sram_offset + \
-- 
GitLab


From 3a3ff72c18085563ce64f7456ae3afff3a83397e Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 20 Nov 2009 12:05:05 -0800
Subject: [PATCH 1492/1815] iwlwifi: dump error log when uCode error occurred

uCode error log contain information as to what the error was and where
it occurred necessary to debug any uCode issues.

Always log the information without special debug flag, this can help to
capture the important information when error happened.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Acked-by: Ben Cahill <ben.m.cahill@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn.c  | 3 ++-
 drivers/net/wireless/iwlwifi/iwl-core.c | 2 +-
 drivers/net/wireless/iwlwifi/iwl-core.h | 6 +-----
 3 files changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 92f9df6a04a..92713119257 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1604,7 +1604,6 @@ static int iwl_read_ucode(struct iwl_priv *priv)
 	return ret;
 }
 
-#ifdef CONFIG_IWLWIFI_DEBUG
 static const char *desc_lookup_text[] = {
 	"OK",
 	"FAIL",
@@ -1697,6 +1696,8 @@ void iwl_dump_nic_error_log(struct iwl_priv *priv)
 
 }
 
+#ifdef CONFIG_IWLWIFI_DEBUG
+
 #define EVENT_START_OFFSET  (4 * sizeof(u32))
 
 /**
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index c2263180614..05a0c413cdf 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1361,9 +1361,9 @@ void iwl_irq_handle_error(struct iwl_priv *priv)
 	/* Cancel currently queued command. */
 	clear_bit(STATUS_HCMD_ACTIVE, &priv->status);
 
+	priv->cfg->ops->lib->dump_nic_error_log(priv);
 #ifdef CONFIG_IWLWIFI_DEBUG
 	if (iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS) {
-		priv->cfg->ops->lib->dump_nic_error_log(priv);
 		priv->cfg->ops->lib->dump_nic_event_log(priv);
 		iwl_print_rx_config_cmd(priv);
 	}
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 0779158fed2..ecba0f46bac 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -578,19 +578,15 @@ int iwl_pci_resume(struct pci_dev *pdev);
 /*****************************************************
 *  Error Handling Debugging
 ******************************************************/
+void iwl_dump_nic_error_log(struct iwl_priv *priv);
 #ifdef CONFIG_IWLWIFI_DEBUG
 void iwl_dump_nic_event_log(struct iwl_priv *priv);
-void iwl_dump_nic_error_log(struct iwl_priv *priv);
 void iwl_print_rx_config_cmd(struct iwl_priv *priv);
 #else
 static inline void iwl_dump_nic_event_log(struct iwl_priv *priv)
 {
 }
 
-static inline void iwl_dump_nic_error_log(struct iwl_priv *priv)
-{
-}
-
 static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv)
 {
 }
-- 
GitLab


From 644c77f0cfa333e58fd4a09450434e89a52d8931 Mon Sep 17 00:00:00 2001
From: Jay Sternberg <jay.e.sternberg@intel.com>
Date: Fri, 20 Nov 2009 12:05:06 -0800
Subject: [PATCH 1493/1815] iwlwifi: Tell the ucode immediately when
 association state changes

When we get a state change of associated or not, we need to tell the
ucode via the RX_ON command using the filter flags.  This will prevent
the ucode from sending any packets when not associated, specifically not
sending NULL QOS packets after a deauthentication which causes the AP to
repeatedly send deauth's in some situations.

Signed-off-by: Jay Sternberg <jay.e.sternberg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-core.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 05a0c413cdf..2e0fb2804ad 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -2478,6 +2478,16 @@ void iwl_bss_info_changed(struct ieee80211_hw *hw,
 		} else {
 			priv->assoc_id = 0;
 			iwl_led_disassociate(priv);
+
+			/*
+			 * inform the ucode that there is no longer an
+			 * association and that no more packets should be
+			 * send
+			 */
+			priv->staging_rxon.filter_flags &=
+				~RXON_FILTER_ASSOC_MSK;
+			priv->staging_rxon.assoc_id = 0;
+			iwlcore_commit_rxon(priv);
 		}
 	}
 
-- 
GitLab


From c341ddb283b9e1a6d217e73fa36738629ca8f4fb Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 20 Nov 2009 12:05:07 -0800
Subject: [PATCH 1494/1815] iwlwifi: print limited number of event log when
 uCode error

To help iwlagn uCode debugging, event log will dump to syslog when driver
detect uCode error occurred, but this only happen when compile with
CONFIG_IWLWIFI_DEBUG and debug flag is enabled; which is not always
the case. Also, there is another problem, if the flag is set, the entire
event log buffer will be dump to syslog, it can flood the syslog and
make it very difficult to debug the problem.

Change the default to only dump last 20 entries of event log to syslog
unless the following condition meets:
1. both compile with CONFIG_IWLWIFI_DEBUG and debug flag
is enabled, and then dump the entire event buffer to syslog.
2. dump event log request from debugfs

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Acked-by: Ben Cahill <ben.m.cahill@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-3945.h     |  2 +-
 drivers/net/wireless/iwlwifi/iwl-agn.c      | 76 +++++++++++++++++----
 drivers/net/wireless/iwlwifi/iwl-core.c     |  5 +-
 drivers/net/wireless/iwlwifi/iwl-core.h     |  8 +--
 drivers/net/wireless/iwlwifi/iwl-debugfs.c  |  2 +-
 drivers/net/wireless/iwlwifi/iwl3945-base.c | 74 ++++++++++++++++----
 6 files changed, 130 insertions(+), 37 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.h b/drivers/net/wireless/iwlwifi/iwl-3945.h
index a41f0e098cf..ecc23ec1f6a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.h
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.h
@@ -227,7 +227,7 @@ extern void iwl3945_rx_replenish(void *data);
 extern void iwl3945_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
 extern unsigned int iwl3945_fill_beacon_frame(struct iwl_priv *priv,
 					struct ieee80211_hdr *hdr,int left);
-extern void iwl3945_dump_nic_event_log(struct iwl_priv *priv);
+extern void iwl3945_dump_nic_event_log(struct iwl_priv *priv, bool full_log);
 extern void iwl3945_dump_nic_error_log(struct iwl_priv *priv);
 
 /*
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 92713119257..9b04b25f0e5 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1696,8 +1696,6 @@ void iwl_dump_nic_error_log(struct iwl_priv *priv)
 
 }
 
-#ifdef CONFIG_IWLWIFI_DEBUG
-
 #define EVENT_START_OFFSET  (4 * sizeof(u32))
 
 /**
@@ -1758,10 +1756,42 @@ static void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx,
 	spin_unlock_irqrestore(&priv->reg_lock, reg_flags);
 }
 
+/**
+ * iwl_print_last_event_logs - Dump the newest # of event log to syslog
+ */
+static void iwl_print_last_event_logs(struct iwl_priv *priv, u32 capacity,
+				      u32 num_wraps, u32 next_entry,
+				      u32 size, u32 mode)
+{
+	/*
+	 * display the newest DEFAULT_LOG_ENTRIES entries
+	 * i.e the entries just before the next ont that uCode would fill.
+	 */
+	if (num_wraps) {
+		if (next_entry < size) {
+			iwl_print_event_log(priv,
+					capacity - (size - next_entry),
+					size - next_entry, mode);
+			iwl_print_event_log(priv, 0,
+				    next_entry, mode);
+		} else
+			iwl_print_event_log(priv, next_entry - size,
+				    size, mode);
+	} else {
+		if (next_entry < size)
+			iwl_print_event_log(priv, 0, next_entry, mode);
+		else
+			iwl_print_event_log(priv, next_entry - size,
+					    size, mode);
+	}
+}
+
 /* For sanity check only.  Actual size is determined by uCode, typ. 512 */
 #define MAX_EVENT_LOG_SIZE (512)
 
-void iwl_dump_nic_event_log(struct iwl_priv *priv)
+#define DEFAULT_DUMP_EVENT_LOG_ENTRIES (20)
+
+void iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log)
 {
 	u32 base;       /* SRAM byte address of event log header */
 	u32 capacity;   /* event log capacity in # entries */
@@ -1806,19 +1836,37 @@ void iwl_dump_nic_event_log(struct iwl_priv *priv)
 		return;
 	}
 
-	IWL_ERR(priv, "Start IWL Event Log Dump: display count %d, wraps %d\n",
-			size, num_wraps);
-
-	/* if uCode has wrapped back to top of log, start at the oldest entry,
-	 * i.e the next one that uCode would fill. */
-	if (num_wraps)
-		iwl_print_event_log(priv, next_entry,
-					capacity - next_entry, mode);
-	/* (then/else) start at top of log */
-	iwl_print_event_log(priv, 0, next_entry, mode);
+#ifdef CONFIG_IWLWIFI_DEBUG
+	if (!(iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS))
+		size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES)
+			? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size;
+#else
+	size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES)
+		? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size;
+#endif
+	IWL_ERR(priv, "Start IWL Event Log Dump: display last %u entries\n",
+		size);
 
-}
+#ifdef CONFIG_IWLWIFI_DEBUG
+	if ((iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS) || full_log) {
+		/*
+		 * if uCode has wrapped back to top of log,
+		 * start at the oldest entry,
+		 * i.e the next one that uCode would fill.
+		 */
+		if (num_wraps)
+			iwl_print_event_log(priv, next_entry,
+					    capacity - next_entry, mode);
+		/* (then/else) start at top of log */
+		iwl_print_event_log(priv, 0, next_entry, mode);
+	} else
+		iwl_print_last_event_logs(priv, capacity, num_wraps,
+					next_entry, size, mode);
+#else
+	iwl_print_last_event_logs(priv, capacity, num_wraps,
+				next_entry, size, mode);
 #endif
+}
 
 /**
  * iwl_alive_start - called after REPLY_ALIVE notification received
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 2e0fb2804ad..3629aea250a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1362,11 +1362,10 @@ void iwl_irq_handle_error(struct iwl_priv *priv)
 	clear_bit(STATUS_HCMD_ACTIVE, &priv->status);
 
 	priv->cfg->ops->lib->dump_nic_error_log(priv);
+	priv->cfg->ops->lib->dump_nic_event_log(priv, false);
 #ifdef CONFIG_IWLWIFI_DEBUG
-	if (iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS) {
-		priv->cfg->ops->lib->dump_nic_event_log(priv);
+	if (iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS)
 		iwl_print_rx_config_cmd(priv);
-	}
 #endif
 
 	wake_up_interruptible(&priv->wait_command_queue);
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index ecba0f46bac..cf7d3df0744 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -167,7 +167,7 @@ struct iwl_lib_ops {
 	int (*is_valid_rtc_data_addr)(u32 addr);
 	/* 1st ucode load */
 	int (*load_ucode)(struct iwl_priv *priv);
-	void (*dump_nic_event_log)(struct iwl_priv *priv);
+	void (*dump_nic_event_log)(struct iwl_priv *priv, bool full_log);
 	void (*dump_nic_error_log)(struct iwl_priv *priv);
 	int (*set_channel_switch)(struct iwl_priv *priv, u16 channel);
 	/* power management */
@@ -579,14 +579,10 @@ int iwl_pci_resume(struct pci_dev *pdev);
 *  Error Handling Debugging
 ******************************************************/
 void iwl_dump_nic_error_log(struct iwl_priv *priv);
+void iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log);
 #ifdef CONFIG_IWLWIFI_DEBUG
-void iwl_dump_nic_event_log(struct iwl_priv *priv);
 void iwl_print_rx_config_cmd(struct iwl_priv *priv);
 #else
-static inline void iwl_dump_nic_event_log(struct iwl_priv *priv)
-{
-}
-
 static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv)
 {
 }
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index 5adf0b60620..21e0f6699da 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -436,7 +436,7 @@ static ssize_t iwl_dbgfs_log_event_write(struct file *file,
 	if (sscanf(buf, "%d", &event_log_flag) != 1)
 		return -EFAULT;
 	if (event_log_flag == 1)
-		priv->cfg->ops->lib->dump_nic_event_log(priv);
+		priv->cfg->ops->lib->dump_nic_event_log(priv, true);
 
 	return count;
 }
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 5b7e80e5bab..5e3c35314ff 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -1482,7 +1482,6 @@ static inline void iwl_synchronize_irq(struct iwl_priv *priv)
 	tasklet_kill(&priv->irq_tasklet);
 }
 
-#ifdef CONFIG_IWLWIFI_DEBUG
 static const char *desc_lookup(int i)
 {
 	switch (i) {
@@ -1613,10 +1612,42 @@ static void iwl3945_print_event_log(struct iwl_priv *priv, u32 start_idx,
 	spin_unlock_irqrestore(&priv->reg_lock, reg_flags);
 }
 
+/**
+ * iwl3945_print_last_event_logs - Dump the newest # of event log to syslog
+ */
+static void iwl3945_print_last_event_logs(struct iwl_priv *priv, u32 capacity,
+				      u32 num_wraps, u32 next_entry,
+				      u32 size, u32 mode)
+{
+	/*
+	 * display the newest DEFAULT_LOG_ENTRIES entries
+	 * i.e the entries just before the next ont that uCode would fill.
+	 */
+	if (num_wraps) {
+		if (next_entry < size) {
+			iwl3945_print_event_log(priv,
+					capacity - (size - next_entry),
+					size - next_entry, mode);
+			iwl3945_print_event_log(priv, 0,
+				    next_entry, mode);
+		} else
+			iwl3945_print_event_log(priv, next_entry - size,
+				    size, mode);
+	} else {
+		if (next_entry < size)
+			iwl3945_print_event_log(priv, 0, next_entry, mode);
+		else
+			iwl3945_print_event_log(priv, next_entry - size,
+					    size, mode);
+	}
+}
+
 /* For sanity check only.  Actual size is determined by uCode, typ. 512 */
 #define IWL3945_MAX_EVENT_LOG_SIZE (512)
 
-void iwl3945_dump_nic_event_log(struct iwl_priv *priv)
+#define DEFAULT_IWL3945_DUMP_EVENT_LOG_ENTRIES (20)
+
+void iwl3945_dump_nic_event_log(struct iwl_priv *priv, bool full_log)
 {
 	u32 base;       /* SRAM byte address of event log header */
 	u32 capacity;   /* event log capacity in # entries */
@@ -1657,8 +1688,17 @@ void iwl3945_dump_nic_event_log(struct iwl_priv *priv)
 		return;
 	}
 
-	IWL_ERR(priv, "Start IWL Event Log Dump: display count %d, wraps %d\n",
-		  size, num_wraps);
+#ifdef CONFIG_IWLWIFI_DEBUG
+	if (!(iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS))
+		size = (size > DEFAULT_IWL3945_DUMP_EVENT_LOG_ENTRIES)
+			? DEFAULT_IWL3945_DUMP_EVENT_LOG_ENTRIES : size;
+#else
+	size = (size > DEFAULT_IWL3945_DUMP_EVENT_LOG_ENTRIES)
+		? DEFAULT_IWL3945_DUMP_EVENT_LOG_ENTRIES : size;
+#endif
+
+	IWL_ERR(priv, "Start IWL Event Log Dump: display last %d count\n",
+		  size);
 
 	/* if uCode has wrapped back to top of log, start at the oldest entry,
 	 * i.e the next one that uCode would fill. */
@@ -1669,18 +1709,28 @@ void iwl3945_dump_nic_event_log(struct iwl_priv *priv)
 	/* (then/else) start at top of log */
 	iwl3945_print_event_log(priv, 0, next_entry, mode);
 
-}
+#ifdef CONFIG_IWLWIFI_DEBUG
+	if ((iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS) || full_log) {
+		/* if uCode has wrapped back to top of log,
+		 * start at the oldest entry,
+		 * i.e the next one that uCode would fill.
+		 */
+		if (num_wraps)
+			iwl3945_print_event_log(priv, next_entry,
+				    capacity - next_entry, mode);
+
+		/* (then/else) start at top of log */
+		iwl3945_print_event_log(priv, 0, next_entry, mode);
+	} else
+		iwl3945_print_last_event_logs(priv, capacity, num_wraps,
+					next_entry, size, mode);
 #else
-void iwl3945_dump_nic_event_log(struct iwl_priv *priv)
-{
-}
+	iwl3945_print_last_event_logs(priv, capacity, num_wraps,
+				next_entry, size, mode);
+#endif
 
-void iwl3945_dump_nic_error_log(struct iwl_priv *priv)
-{
 }
 
-#endif
-
 static void iwl3945_irq_tasklet(struct iwl_priv *priv)
 {
 	u32 inta, handled = 0;
-- 
GitLab


From 2d237f71b00bdc9044b5853d79f8cbef6c8df3ed Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 20 Nov 2009 12:05:08 -0800
Subject: [PATCH 1495/1815] iwlwifi: change message for cmd queue full error

Change error message for command queue full

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Acked-by: Ben Cahill <ben.m.cahill@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-tx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index f3dff2ecc40..2eee950e019 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -1022,7 +1022,7 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
 	}
 
 	if (iwl_queue_space(q) < ((cmd->flags & CMD_ASYNC) ? 2 : 1)) {
-		IWL_ERR(priv, "No space for Tx\n");
+		IWL_ERR(priv, "No space in command queue\n");
 		if (iwl_within_ct_kill_margin(priv))
 			iwl_tt_enter_ct_kill(priv);
 		else {
-- 
GitLab


From 3681165235aae95a2e6d5407bb4e9426d68a37dd Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 20 Nov 2009 12:05:09 -0800
Subject: [PATCH 1496/1815] iwlwifi: remove reset led_tpt from iwl_leds_init()

Current blinking rate is calculated based on the difference between
current tx/rx byte counts and priv->led_tpt.

priv->led_tpt should not get reset in iwl_leds_init(), this function can be
called by bring interface "up" or "down", or when uCode sysassert occurred.
resetting the led_tpt parameter will introduce incorrect led blinking behavior.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-led.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-led.c b/drivers/net/wireless/iwlwifi/iwl-led.c
index 478c90511eb..46c7a95b88f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-led.c
+++ b/drivers/net/wireless/iwlwifi/iwl-led.c
@@ -219,7 +219,6 @@ EXPORT_SYMBOL(iwl_leds_background);
 void iwl_leds_init(struct iwl_priv *priv)
 {
 	priv->last_blink_rate = 0;
-	priv->led_tpt = 0;
 	priv->last_blink_time = 0;
 	priv->allow_blinking = 0;
 }
-- 
GitLab


From 841507f5c1a5d2f196afb12e95eb11914f029832 Mon Sep 17 00:00:00 2001
From: Jaswinder Singh Rajput <jaswinder@kernel.org>
Date: Sun, 22 Nov 2009 13:47:58 +0530
Subject: [PATCH 1497/1815] mac80211: Fix missing kernel-doc notation

Fix the following htmldocs warnings:

  Warning(net/mac80211/sta_info.h:322): No description found for parameter 'drv_unblock_wk'
  Warning(net/mac80211/sta_info.h:322): No description found for parameter 'drv_unblock_wk'

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: John W. Linville <linville@tuxdriver.com>
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/sta_info.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 4c84c2205e8..b4810f6aa94 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -185,6 +185,7 @@ struct sta_ampdu_mlme {
  * @lock: used for locking all fields that require locking, see comments
  *	in the header file.
  * @flaglock: spinlock for flags accesses
+ * @drv_unblock_wk: used for driver PS unblocking
  * @listen_interval: listen interval of this station, when we're acting as AP
  * @pin_status: used internally for pinning a STA struct into memory
  * @flags: STA flags, see &enum ieee80211_sta_info_flags
@@ -225,7 +226,6 @@ struct sta_ampdu_mlme {
  * @debugfs: debug filesystem info
  * @sta: station information we share with the driver
  * @dead: set to true when sta is unlinked
- * @drv_unblock_wk used for driver PS unblocking
  */
 struct sta_info {
 	/* General information, mostly static */
-- 
GitLab


From c1f8ca1d837148bf061d6ffa2038366e3cf0e4d7 Mon Sep 17 00:00:00 2001
From: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Date: Sun, 22 Nov 2009 20:16:42 +0200
Subject: [PATCH 1498/1815] rndis_wlan: fix buffer overflow in rndis_query_oid

rndis_query_oid overwrites *len which stores buffer size to return full size
of received command and then uses *len with memcpy to fill buffer with
command.

Ofcourse memcpy should be done before replacing buffer size.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rndis_wlan.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c
index aa1880add18..8b09b043bc4 100644
--- a/drivers/net/wireless/rndis_wlan.c
+++ b/drivers/net/wireless/rndis_wlan.c
@@ -733,12 +733,13 @@ static int rndis_query_oid(struct usbnet *dev, __le32 oid, void *data, int *len)
 			le32_to_cpu(u.get_c->status));
 
 	if (ret == 0) {
+		memcpy(data, u.buf + le32_to_cpu(u.get_c->offset) + 8, *len);
+
 		ret = le32_to_cpu(u.get_c->len);
 		if (ret > *len)
 			*len = ret;
-		memcpy(data, u.buf + le32_to_cpu(u.get_c->offset) + 8, *len);
-		ret = rndis_error_status(u.get_c->status);
 
+		ret = rndis_error_status(u.get_c->status);
 		if (ret < 0)
 			devdbg(dev, "rndis_query_oid(%s): device returned "
 				"error,  0x%08x (%d)", oid_to_string(oid),
-- 
GitLab


From 77593ae28c4c134eaf28ef34ecac3cd4464ecd6e Mon Sep 17 00:00:00 2001
From: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Date: Sun, 22 Nov 2009 20:16:47 +0200
Subject: [PATCH 1499/1815] rndis_wlan: disable stall workaround

Stall workaround doesn't work with bcm4320a devices like with bcm4320b.
This workaround actually causes more stalls/device freeze on bcm4320a.
Therefore disable stall workaround by default.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rndis_wlan.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c
index 8b09b043bc4..2ecbedb26e1 100644
--- a/drivers/net/wireless/rndis_wlan.c
+++ b/drivers/net/wireless/rndis_wlan.c
@@ -83,11 +83,11 @@ MODULE_PARM_DESC(roamdelta,
 	"set roaming tendency: 0=aggressive, 1=moderate, "
 				"2=conservative (default: moderate)");
 
-static int modparam_workaround_interval = 500;
+static int modparam_workaround_interval;
 module_param_named(workaround_interval, modparam_workaround_interval,
 							int, 0444);
 MODULE_PARM_DESC(workaround_interval,
-	"set stall workaround interval in msecs (default: 500)");
+	"set stall workaround interval in msecs (0=disabled) (default: 0)");
 
 
 /* various RNDIS OID defs */
@@ -2550,7 +2550,7 @@ static void rndis_device_poller(struct work_struct *work)
 	/* Workaround transfer stalls on poor quality links.
 	 * TODO: find right way to fix these stalls (as stalls do not happen
 	 * with ndiswrapper/windows driver). */
-	if (priv->last_qual <= 25) {
+	if (priv->param_workaround_interval > 0 && priv->last_qual <= 25) {
 		/* Decrease stats worker interval to catch stalls.
 		 * faster. Faster than 400-500ms causes packet loss,
 		 * Slower doesn't catch stalls fast enough.
-- 
GitLab


From 3ba6018aa314559c5867138a8173b068268a70db Mon Sep 17 00:00:00 2001
From: Michael Buesch <mb@bu3sch.de>
Date: Mon, 23 Nov 2009 20:12:13 +0100
Subject: [PATCH 1500/1815] ssb: Fix SPROM writing

The SPROM writing routines were broken since we rewrote the suspend
handling on wireless devices, because SPROM writing depended on suspend.

This patch changes it and freezes devices with the driver remove(), probe()
callbacks instead. This also simplifies the whole logics a lot.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/ssb/main.c        | 126 ++++++++++++++++++++------------------
 drivers/ssb/sprom.c       |  10 +--
 drivers/ssb/ssb_private.h |  12 +++-
 3 files changed, 78 insertions(+), 70 deletions(-)

diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c
index 579b114be41..5681ebed9c6 100644
--- a/drivers/ssb/main.c
+++ b/drivers/ssb/main.c
@@ -140,6 +140,19 @@ static void ssb_device_put(struct ssb_device *dev)
 		put_device(dev->dev);
 }
 
+static inline struct ssb_driver *ssb_driver_get(struct ssb_driver *drv)
+{
+	if (drv)
+		get_driver(&drv->drv);
+	return drv;
+}
+
+static inline void ssb_driver_put(struct ssb_driver *drv)
+{
+	if (drv)
+		put_driver(&drv->drv);
+}
+
 static int ssb_device_resume(struct device *dev)
 {
 	struct ssb_device *ssb_dev = dev_to_ssb_dev(dev);
@@ -210,90 +223,81 @@ int ssb_bus_suspend(struct ssb_bus *bus)
 EXPORT_SYMBOL(ssb_bus_suspend);
 
 #ifdef CONFIG_SSB_SPROM
-int ssb_devices_freeze(struct ssb_bus *bus)
+/** ssb_devices_freeze - Freeze all devices on the bus.
+ *
+ * After freezing no device driver will be handling a device
+ * on this bus anymore. ssb_devices_thaw() must be called after
+ * a successful freeze to reactivate the devices.
+ *
+ * @bus: The bus.
+ * @ctx: Context structure. Pass this to ssb_devices_thaw().
+ */
+int ssb_devices_freeze(struct ssb_bus *bus, struct ssb_freeze_context *ctx)
 {
-	struct ssb_device *dev;
-	struct ssb_driver *drv;
-	int err = 0;
-	int i;
-	pm_message_t state = PMSG_FREEZE;
+	struct ssb_device *sdev;
+	struct ssb_driver *sdrv;
+	unsigned int i;
+
+	memset(ctx, 0, sizeof(*ctx));
+	ctx->bus = bus;
+	SSB_WARN_ON(bus->nr_devices > ARRAY_SIZE(ctx->device_frozen));
 
-	/* First check that we are capable to freeze all devices. */
 	for (i = 0; i < bus->nr_devices; i++) {
-		dev = &(bus->devices[i]);
-		if (!dev->dev ||
-		    !dev->dev->driver ||
-		    !device_is_registered(dev->dev))
-			continue;
-		drv = drv_to_ssb_drv(dev->dev->driver);
-		if (!drv)
+		sdev = ssb_device_get(&bus->devices[i]);
+
+		if (!sdev->dev || !sdev->dev->driver ||
+		    !device_is_registered(sdev->dev)) {
+			ssb_device_put(sdev);
 			continue;
-		if (!drv->suspend) {
-			/* Nope, can't suspend this one. */
-			return -EOPNOTSUPP;
 		}
-	}
-	/* Now suspend all devices */
-	for (i = 0; i < bus->nr_devices; i++) {
-		dev = &(bus->devices[i]);
-		if (!dev->dev ||
-		    !dev->dev->driver ||
-		    !device_is_registered(dev->dev))
-			continue;
-		drv = drv_to_ssb_drv(dev->dev->driver);
-		if (!drv)
+		sdrv = ssb_driver_get(drv_to_ssb_drv(sdev->dev->driver));
+		if (!sdrv || SSB_WARN_ON(!sdrv->remove)) {
+			ssb_device_put(sdev);
 			continue;
-		err = drv->suspend(dev, state);
-		if (err) {
-			ssb_printk(KERN_ERR PFX "Failed to freeze device %s\n",
-				   dev_name(dev->dev));
-			goto err_unwind;
 		}
+		sdrv->remove(sdev);
+		ctx->device_frozen[i] = 1;
 	}
 
 	return 0;
-err_unwind:
-	for (i--; i >= 0; i--) {
-		dev = &(bus->devices[i]);
-		if (!dev->dev ||
-		    !dev->dev->driver ||
-		    !device_is_registered(dev->dev))
-			continue;
-		drv = drv_to_ssb_drv(dev->dev->driver);
-		if (!drv)
-			continue;
-		if (drv->resume)
-			drv->resume(dev);
-	}
-	return err;
 }
 
-int ssb_devices_thaw(struct ssb_bus *bus)
+/** ssb_devices_thaw - Unfreeze all devices on the bus.
+ *
+ * This will re-attach the device drivers and re-init the devices.
+ *
+ * @ctx: The context structure from ssb_devices_freeze()
+ */
+int ssb_devices_thaw(struct ssb_freeze_context *ctx)
 {
-	struct ssb_device *dev;
-	struct ssb_driver *drv;
-	int err;
-	int i;
+	struct ssb_bus *bus = ctx->bus;
+	struct ssb_device *sdev;
+	struct ssb_driver *sdrv;
+	unsigned int i;
+	int err, result = 0;
 
 	for (i = 0; i < bus->nr_devices; i++) {
-		dev = &(bus->devices[i]);
-		if (!dev->dev ||
-		    !dev->dev->driver ||
-		    !device_is_registered(dev->dev))
+		if (!ctx->device_frozen[i])
 			continue;
-		drv = drv_to_ssb_drv(dev->dev->driver);
-		if (!drv)
+		sdev = &bus->devices[i];
+
+		if (SSB_WARN_ON(!sdev->dev || !sdev->dev->driver))
 			continue;
-		if (SSB_WARN_ON(!drv->resume))
+		sdrv = drv_to_ssb_drv(sdev->dev->driver);
+		if (SSB_WARN_ON(!sdrv || !sdrv->probe))
 			continue;
-		err = drv->resume(dev);
+
+		err = sdrv->probe(sdev, &sdev->id);
 		if (err) {
 			ssb_printk(KERN_ERR PFX "Failed to thaw device %s\n",
-				   dev_name(dev->dev));
+				   dev_name(sdev->dev));
+			result = err;
 		}
+		ssb_driver_put(sdrv);
+		ssb_device_put(sdev);
 	}
 
-	return 0;
+	return result;
 }
 #endif /* CONFIG_SSB_SPROM */
 
diff --git a/drivers/ssb/sprom.c b/drivers/ssb/sprom.c
index 8943015a3ee..580f779ecf4 100644
--- a/drivers/ssb/sprom.c
+++ b/drivers/ssb/sprom.c
@@ -90,6 +90,7 @@ ssize_t ssb_attr_sprom_store(struct ssb_bus *bus,
 	u16 *sprom;
 	int res = 0, err = -ENOMEM;
 	size_t sprom_size_words = bus->sprom_size;
+	struct ssb_freeze_context freeze;
 
 	sprom = kcalloc(bus->sprom_size, sizeof(u16), GFP_KERNEL);
 	if (!sprom)
@@ -111,18 +112,13 @@ ssize_t ssb_attr_sprom_store(struct ssb_bus *bus,
 	err = -ERESTARTSYS;
 	if (mutex_lock_interruptible(&bus->sprom_mutex))
 		goto out_kfree;
-	err = ssb_devices_freeze(bus);
-	if (err == -EOPNOTSUPP) {
-		ssb_printk(KERN_ERR PFX "SPROM write: Could not freeze devices. "
-			   "No suspend support. Is CONFIG_PM enabled?\n");
-		goto out_unlock;
-	}
+	err = ssb_devices_freeze(bus, &freeze);
 	if (err) {
 		ssb_printk(KERN_ERR PFX "SPROM write: Could not freeze all devices\n");
 		goto out_unlock;
 	}
 	res = sprom_write(bus, sprom);
-	err = ssb_devices_thaw(bus);
+	err = ssb_devices_thaw(&freeze);
 	if (err)
 		ssb_printk(KERN_ERR PFX "SPROM write: Could not thaw all devices\n");
 out_unlock:
diff --git a/drivers/ssb/ssb_private.h b/drivers/ssb/ssb_private.h
index 25433565dfd..56054be4d11 100644
--- a/drivers/ssb/ssb_private.h
+++ b/drivers/ssb/ssb_private.h
@@ -176,13 +176,21 @@ extern const struct ssb_sprom *ssb_get_fallback_sprom(void);
 
 /* core.c */
 extern u32 ssb_calc_clock_rate(u32 plltype, u32 n, u32 m);
-extern int ssb_devices_freeze(struct ssb_bus *bus);
-extern int ssb_devices_thaw(struct ssb_bus *bus);
 extern struct ssb_bus *ssb_pci_dev_to_bus(struct pci_dev *pdev);
 int ssb_for_each_bus_call(unsigned long data,
 			  int (*func)(struct ssb_bus *bus, unsigned long data));
 extern struct ssb_bus *ssb_pcmcia_dev_to_bus(struct pcmcia_device *pdev);
 
+struct ssb_freeze_context {
+	/* Pointer to the bus */
+	struct ssb_bus *bus;
+	/* Boolean list to indicate whether a device is frozen on this bus. */
+	bool device_frozen[SSB_MAX_NR_CORES];
+};
+extern int ssb_devices_freeze(struct ssb_bus *bus, struct ssb_freeze_context *ctx);
+extern int ssb_devices_thaw(struct ssb_freeze_context *ctx);
+
+
 
 /* b43_pci_bridge.c */
 #ifdef CONFIG_SSB_B43_PCI_BRIDGE
-- 
GitLab


From e33761e6f23881de9f3ee77cc2204ab2e26f3d9a Mon Sep 17 00:00:00 2001
From: Michael Buesch <mb@bu3sch.de>
Date: Mon, 23 Nov 2009 20:58:06 +0100
Subject: [PATCH 1501/1815] ssb: Fix range check in sprom write

The range check in the sprom image parser hex2sprom() is broken.
One sprom word is 4 hex characters.
This fixes the check and also adds much better sanity checks to the code.
We better make sure the image is OK by doing some sanity checks to avoid
bricking the device by accident.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Cc: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/ssb/sprom.c | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/drivers/ssb/sprom.c b/drivers/ssb/sprom.c
index 580f779ecf4..d0e6762fec5 100644
--- a/drivers/ssb/sprom.c
+++ b/drivers/ssb/sprom.c
@@ -13,6 +13,8 @@
 
 #include "ssb_private.h"
 
+#include <linux/ctype.h>
+
 
 static const struct ssb_sprom *fallback_sprom;
 
@@ -33,17 +35,27 @@ static int sprom2hex(const u16 *sprom, char *buf, size_t buf_len,
 static int hex2sprom(u16 *sprom, const char *dump, size_t len,
 		     size_t sprom_size_words)
 {
-	char tmp[5] = { 0 };
-	int cnt = 0;
+	char c, tmp[5] = { 0 };
+	int err, cnt = 0;
 	unsigned long parsed;
 
-	if (len < sprom_size_words * 2)
+	/* Strip whitespace at the end. */
+	while (len) {
+		c = dump[len - 1];
+		if (!isspace(c) && c != '\0')
+			break;
+		len--;
+	}
+	/* Length must match exactly. */
+	if (len != sprom_size_words * 4)
 		return -EINVAL;
 
 	while (cnt < sprom_size_words) {
 		memcpy(tmp, dump, 4);
 		dump += 4;
-		parsed = simple_strtoul(tmp, NULL, 16);
+		err = strict_strtoul(tmp, 16, &parsed);
+		if (err)
+			return err;
 		sprom[cnt++] = swab16((u16)parsed);
 	}
 
-- 
GitLab


From 18b6c9a2213d3b6e0212e8b225abf95f7564206a Mon Sep 17 00:00:00 2001
From: "John W. Linville" <linville@tuxdriver.com>
Date: Mon, 23 Nov 2009 16:15:19 -0500
Subject: [PATCH 1502/1815] ath9k: set ps_default as false

Copied from original one-line patch here:

	http://bugzilla.kernel.org/show_bug.cgi?id=14267#c26

(This is for 2.6.33 and beyond, where the bool was changed to a flag by
"cfg80211: convert bools into flags". -- JWL)

Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 16bdb1b549b..cbf5d2a1bb2 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1893,6 +1893,8 @@ void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
 		BIT(NL80211_IFTYPE_ADHOC) |
 		BIT(NL80211_IFTYPE_MESH_POINT);
 
+	hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
+
 	hw->queues = 4;
 	hw->max_rates = 4;
 	hw->channel_change_time = 5000;
-- 
GitLab


From 3666ed1c4837fd6906da0224c5373d7a2186a193 Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Mon, 23 Nov 2009 23:17:06 +0100
Subject: [PATCH 1503/1815] netfilter: net/ipv[46]/netfilter: Move && and || to
 end of previous line

Compile tested only.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
---
 net/ipv4/netfilter/arp_tables.c               | 22 ++++-----
 net/ipv4/netfilter/ip_tables.c                | 46 +++++++++---------
 net/ipv4/netfilter/ipt_CLUSTERIP.c            | 20 ++++----
 net/ipv4/netfilter/ipt_ECN.c                  |  8 ++--
 net/ipv4/netfilter/ipt_LOG.c                  | 22 ++++-----
 net/ipv4/netfilter/ipt_MASQUERADE.c           |  4 +-
 net/ipv4/netfilter/ipt_REJECT.c               |  4 +-
 net/ipv4/netfilter/ipt_ULOG.c                 |  6 +--
 net/ipv4/netfilter/ipt_ecn.c                  |  4 +-
 net/ipv4/netfilter/iptable_mangle.c           |  4 +-
 net/ipv4/netfilter/iptable_security.c         |  4 +-
 net/ipv4/netfilter/nf_conntrack_proto_icmp.c  | 28 +++++------
 net/ipv4/netfilter/nf_nat_standalone.c        | 10 ++--
 net/ipv6/netfilter/ip6_tables.c               | 42 ++++++++---------
 net/ipv6/netfilter/ip6t_LOG.c                 |  4 +-
 net/ipv6/netfilter/ip6t_REJECT.c              |  4 +-
 net/ipv6/netfilter/ip6t_ah.c                  | 19 ++++----
 net/ipv6/netfilter/ip6t_frag.c                | 47 +++++++++----------
 net/ipv6/netfilter/ip6t_rt.c                  |  9 ++--
 net/ipv6/netfilter/ip6table_filter.c          |  4 +-
 net/ipv6/netfilter/ip6table_mangle.c          | 14 +++---
 .../netfilter/nf_conntrack_proto_icmpv6.c     | 12 ++---
 22 files changed, 163 insertions(+), 174 deletions(-)

diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index 27774c99d88..06632762ba5 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -384,11 +384,11 @@ static int mark_source_chains(struct xt_table_info *newinfo,
 				|= ((1 << hook) | (1 << NF_ARP_NUMHOOKS));
 
 			/* Unconditional return/END. */
-			if ((e->target_offset == sizeof(struct arpt_entry)
-			    && (strcmp(t->target.u.user.name,
-				       ARPT_STANDARD_TARGET) == 0)
-			    && t->verdict < 0
-			    && unconditional(&e->arp)) || visited) {
+			if ((e->target_offset == sizeof(struct arpt_entry) &&
+			     (strcmp(t->target.u.user.name,
+				     ARPT_STANDARD_TARGET) == 0) &&
+			     t->verdict < 0 && unconditional(&e->arp)) ||
+			    visited) {
 				unsigned int oldpos, size;
 
 				if ((strcmp(t->target.u.user.name,
@@ -427,8 +427,8 @@ static int mark_source_chains(struct xt_table_info *newinfo,
 				int newpos = t->verdict;
 
 				if (strcmp(t->target.u.user.name,
-					   ARPT_STANDARD_TARGET) == 0
-				    && newpos >= 0) {
+					   ARPT_STANDARD_TARGET) == 0 &&
+				    newpos >= 0) {
 					if (newpos > newinfo->size -
 						sizeof(struct arpt_entry)) {
 						duprintf("mark_source_chains: "
@@ -559,8 +559,8 @@ static inline int check_entry_size_and_hooks(struct arpt_entry *e,
 {
 	unsigned int h;
 
-	if ((unsigned long)e % __alignof__(struct arpt_entry) != 0
-	    || (unsigned char *)e + sizeof(struct arpt_entry) >= limit) {
+	if ((unsigned long)e % __alignof__(struct arpt_entry) != 0 ||
+	    (unsigned char *)e + sizeof(struct arpt_entry) >= limit) {
 		duprintf("Bad offset %p\n", e);
 		return -EINVAL;
 	}
@@ -1251,8 +1251,8 @@ check_compat_entry_size_and_hooks(struct compat_arpt_entry *e,
 	int ret, off, h;
 
 	duprintf("check_compat_entry_size_and_hooks %p\n", e);
-	if ((unsigned long)e % __alignof__(struct compat_arpt_entry) != 0
-	    || (unsigned char *)e + sizeof(struct compat_arpt_entry) >= limit) {
+	if ((unsigned long)e % __alignof__(struct compat_arpt_entry) != 0 ||
+	    (unsigned char *)e + sizeof(struct compat_arpt_entry) >= limit) {
 		duprintf("Bad offset %p, limit = %p\n", e, limit);
 		return -EINVAL;
 	}
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index cde755d5eea..572330a552e 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -89,9 +89,9 @@ ip_packet_match(const struct iphdr *ip,
 #define FWINV(bool, invflg) ((bool) ^ !!(ipinfo->invflags & (invflg)))
 
 	if (FWINV((ip->saddr&ipinfo->smsk.s_addr) != ipinfo->src.s_addr,
-		  IPT_INV_SRCIP)
-	    || FWINV((ip->daddr&ipinfo->dmsk.s_addr) != ipinfo->dst.s_addr,
-		     IPT_INV_DSTIP)) {
+		  IPT_INV_SRCIP) ||
+	    FWINV((ip->daddr&ipinfo->dmsk.s_addr) != ipinfo->dst.s_addr,
+		  IPT_INV_DSTIP)) {
 		dprintf("Source or dest mismatch.\n");
 
 		dprintf("SRC: %pI4. Mask: %pI4. Target: %pI4.%s\n",
@@ -122,8 +122,8 @@ ip_packet_match(const struct iphdr *ip,
 	}
 
 	/* Check specific protocol */
-	if (ipinfo->proto
-	    && FWINV(ip->protocol != ipinfo->proto, IPT_INV_PROTO)) {
+	if (ipinfo->proto &&
+	    FWINV(ip->protocol != ipinfo->proto, IPT_INV_PROTO)) {
 		dprintf("Packet protocol %hi does not match %hi.%s\n",
 			ip->protocol, ipinfo->proto,
 			ipinfo->invflags&IPT_INV_PROTO ? " (INV)":"");
@@ -246,11 +246,11 @@ get_chainname_rulenum(struct ipt_entry *s, struct ipt_entry *e,
 	} else if (s == e) {
 		(*rulenum)++;
 
-		if (s->target_offset == sizeof(struct ipt_entry)
-		   && strcmp(t->target.u.kernel.target->name,
-			     IPT_STANDARD_TARGET) == 0
-		   && t->verdict < 0
-		   && unconditional(&s->ip)) {
+		if (s->target_offset == sizeof(struct ipt_entry) &&
+		    strcmp(t->target.u.kernel.target->name,
+			   IPT_STANDARD_TARGET) == 0 &&
+		   t->verdict < 0 &&
+		   unconditional(&s->ip)) {
 			/* Tail of chains: STANDARD target (return/policy) */
 			*comment = *chainname == hookname
 				? comments[NF_IP_TRACE_COMMENT_POLICY]
@@ -388,8 +388,8 @@ ipt_do_table(struct sk_buff *skb,
 				back = get_entry(table_base, back->comefrom);
 				continue;
 			}
-			if (table_base + v != ipt_next_entry(e)
-			    && !(e->ip.flags & IPT_F_GOTO)) {
+			if (table_base + v != ipt_next_entry(e) &&
+			    !(e->ip.flags & IPT_F_GOTO)) {
 				/* Save old back ptr in next entry */
 				struct ipt_entry *next = ipt_next_entry(e);
 				next->comefrom = (void *)back - table_base;
@@ -473,11 +473,11 @@ mark_source_chains(struct xt_table_info *newinfo,
 			e->comefrom |= ((1 << hook) | (1 << NF_INET_NUMHOOKS));
 
 			/* Unconditional return/END. */
-			if ((e->target_offset == sizeof(struct ipt_entry)
-			    && (strcmp(t->target.u.user.name,
-				       IPT_STANDARD_TARGET) == 0)
-			    && t->verdict < 0
-			    && unconditional(&e->ip)) || visited) {
+			if ((e->target_offset == sizeof(struct ipt_entry) &&
+			     (strcmp(t->target.u.user.name,
+				     IPT_STANDARD_TARGET) == 0) &&
+			     t->verdict < 0 && unconditional(&e->ip)) ||
+			    visited) {
 				unsigned int oldpos, size;
 
 				if ((strcmp(t->target.u.user.name,
@@ -524,8 +524,8 @@ mark_source_chains(struct xt_table_info *newinfo,
 				int newpos = t->verdict;
 
 				if (strcmp(t->target.u.user.name,
-					   IPT_STANDARD_TARGET) == 0
-				    && newpos >= 0) {
+					   IPT_STANDARD_TARGET) == 0 &&
+				    newpos >= 0) {
 					if (newpos > newinfo->size -
 						sizeof(struct ipt_entry)) {
 						duprintf("mark_source_chains: "
@@ -735,8 +735,8 @@ check_entry_size_and_hooks(struct ipt_entry *e,
 {
 	unsigned int h;
 
-	if ((unsigned long)e % __alignof__(struct ipt_entry) != 0
-	    || (unsigned char *)e + sizeof(struct ipt_entry) >= limit) {
+	if ((unsigned long)e % __alignof__(struct ipt_entry) != 0 ||
+	    (unsigned char *)e + sizeof(struct ipt_entry) >= limit) {
 		duprintf("Bad offset %p\n", e);
 		return -EINVAL;
 	}
@@ -1548,8 +1548,8 @@ check_compat_entry_size_and_hooks(struct compat_ipt_entry *e,
 	int ret, off, h;
 
 	duprintf("check_compat_entry_size_and_hooks %p\n", e);
-	if ((unsigned long)e % __alignof__(struct compat_ipt_entry) != 0
-	    || (unsigned char *)e + sizeof(struct compat_ipt_entry) >= limit) {
+	if ((unsigned long)e % __alignof__(struct compat_ipt_entry) != 0 ||
+	    (unsigned char *)e + sizeof(struct compat_ipt_entry) >= limit) {
 		duprintf("Bad offset %p, limit = %p\n", e, limit);
 		return -EINVAL;
 	}
diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c
index 2e4f98b8552..40ca2d240ab 100644
--- a/net/ipv4/netfilter/ipt_CLUSTERIP.c
+++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c
@@ -303,9 +303,9 @@ clusterip_tg(struct sk_buff *skb, const struct xt_target_param *par)
 
 	/* special case: ICMP error handling. conntrack distinguishes between
 	 * error messages (RELATED) and information requests (see below) */
-	if (ip_hdr(skb)->protocol == IPPROTO_ICMP
-	    && (ctinfo == IP_CT_RELATED
-		|| ctinfo == IP_CT_RELATED+IP_CT_IS_REPLY))
+	if (ip_hdr(skb)->protocol == IPPROTO_ICMP &&
+	    (ctinfo == IP_CT_RELATED ||
+	     ctinfo == IP_CT_RELATED + IP_CT_IS_REPLY))
 		return XT_CONTINUE;
 
 	/* ip_conntrack_icmp guarantees us that we only have ICMP_ECHO,
@@ -362,8 +362,8 @@ static bool clusterip_tg_check(const struct xt_tgchk_param *par)
 		return false;
 
 	}
-	if (e->ip.dmsk.s_addr != htonl(0xffffffff)
-	    || e->ip.dst.s_addr == 0) {
+	if (e->ip.dmsk.s_addr != htonl(0xffffffff) ||
+	    e->ip.dst.s_addr == 0) {
 		printk(KERN_ERR "CLUSTERIP: Please specify destination IP\n");
 		return false;
 	}
@@ -495,14 +495,14 @@ arp_mangle(unsigned int hook,
 	struct clusterip_config *c;
 
 	/* we don't care about non-ethernet and non-ipv4 ARP */
-	if (arp->ar_hrd != htons(ARPHRD_ETHER)
-	    || arp->ar_pro != htons(ETH_P_IP)
-	    || arp->ar_pln != 4 || arp->ar_hln != ETH_ALEN)
+	if (arp->ar_hrd != htons(ARPHRD_ETHER) ||
+	    arp->ar_pro != htons(ETH_P_IP) ||
+	    arp->ar_pln != 4 || arp->ar_hln != ETH_ALEN)
 		return NF_ACCEPT;
 
 	/* we only want to mangle arp requests and replies */
-	if (arp->ar_op != htons(ARPOP_REPLY)
-	    && arp->ar_op != htons(ARPOP_REQUEST))
+	if (arp->ar_op != htons(ARPOP_REPLY) &&
+	    arp->ar_op != htons(ARPOP_REQUEST))
 		return NF_ACCEPT;
 
 	payload = (void *)(arp+1);
diff --git a/net/ipv4/netfilter/ipt_ECN.c b/net/ipv4/netfilter/ipt_ECN.c
index f7e2fa0974d..549e206cdd4 100644
--- a/net/ipv4/netfilter/ipt_ECN.c
+++ b/net/ipv4/netfilter/ipt_ECN.c
@@ -85,8 +85,8 @@ ecn_tg(struct sk_buff *skb, const struct xt_target_param *par)
 		if (!set_ect_ip(skb, einfo))
 			return NF_DROP;
 
-	if (einfo->operation & (IPT_ECN_OP_SET_ECE | IPT_ECN_OP_SET_CWR)
-	    && ip_hdr(skb)->protocol == IPPROTO_TCP)
+	if (einfo->operation & (IPT_ECN_OP_SET_ECE | IPT_ECN_OP_SET_CWR) &&
+	    ip_hdr(skb)->protocol == IPPROTO_TCP)
 		if (!set_ect_tcp(skb, einfo))
 			return NF_DROP;
 
@@ -108,8 +108,8 @@ static bool ecn_tg_check(const struct xt_tgchk_param *par)
 			einfo->ip_ect);
 		return false;
 	}
-	if ((einfo->operation & (IPT_ECN_OP_SET_ECE|IPT_ECN_OP_SET_CWR))
-	    && (e->ip.proto != IPPROTO_TCP || (e->ip.invflags & XT_INV_PROTO))) {
+	if ((einfo->operation & (IPT_ECN_OP_SET_ECE|IPT_ECN_OP_SET_CWR)) &&
+	    (e->ip.proto != IPPROTO_TCP || (e->ip.invflags & XT_INV_PROTO))) {
 		printk(KERN_WARNING "ECN: cannot use TCP operations on a "
 		       "non-tcp rule\n");
 		return false;
diff --git a/net/ipv4/netfilter/ipt_LOG.c b/net/ipv4/netfilter/ipt_LOG.c
index acc44c69eb6..ee128efa1c8 100644
--- a/net/ipv4/netfilter/ipt_LOG.c
+++ b/net/ipv4/netfilter/ipt_LOG.c
@@ -74,8 +74,8 @@ static void dump_packet(const struct nf_loginfo *info,
 	if (ntohs(ih->frag_off) & IP_OFFSET)
 		printk("FRAG:%u ", ntohs(ih->frag_off) & IP_OFFSET);
 
-	if ((logflags & IPT_LOG_IPOPT)
-	    && ih->ihl * 4 > sizeof(struct iphdr)) {
+	if ((logflags & IPT_LOG_IPOPT) &&
+	    ih->ihl * 4 > sizeof(struct iphdr)) {
 		const unsigned char *op;
 		unsigned char _opt[4 * 15 - sizeof(struct iphdr)];
 		unsigned int i, optsize;
@@ -146,8 +146,8 @@ static void dump_packet(const struct nf_loginfo *info,
 		/* Max length: 11 "URGP=65535 " */
 		printk("URGP=%u ", ntohs(th->urg_ptr));
 
-		if ((logflags & IPT_LOG_TCPOPT)
-		    && th->doff * 4 > sizeof(struct tcphdr)) {
+		if ((logflags & IPT_LOG_TCPOPT) &&
+		    th->doff * 4 > sizeof(struct tcphdr)) {
 			unsigned char _opt[4 * 15 - sizeof(struct tcphdr)];
 			const unsigned char *op;
 			unsigned int i, optsize;
@@ -238,9 +238,9 @@ static void dump_packet(const struct nf_loginfo *info,
 		printk("TYPE=%u CODE=%u ", ich->type, ich->code);
 
 		/* Max length: 25 "INCOMPLETE [65535 bytes] " */
-		if (ich->type <= NR_ICMP_TYPES
-		    && required_len[ich->type]
-		    && skb->len-iphoff-ih->ihl*4 < required_len[ich->type]) {
+		if (ich->type <= NR_ICMP_TYPES &&
+		    required_len[ich->type] &&
+		    skb->len-iphoff-ih->ihl*4 < required_len[ich->type]) {
 			printk("INCOMPLETE [%u bytes] ",
 			       skb->len - iphoff - ih->ihl*4);
 			break;
@@ -276,8 +276,8 @@ static void dump_packet(const struct nf_loginfo *info,
 			}
 
 			/* Max length: 10 "MTU=65535 " */
-			if (ich->type == ICMP_DEST_UNREACH
-			    && ich->code == ICMP_FRAG_NEEDED)
+			if (ich->type == ICMP_DEST_UNREACH &&
+			    ich->code == ICMP_FRAG_NEEDED)
 				printk("MTU=%u ", ntohs(ich->un.frag.mtu));
 		}
 		break;
@@ -407,8 +407,8 @@ ipt_log_packet(u_int8_t pf,
 	if (in && !out) {
 		/* MAC logging for input chain only. */
 		printk("MAC=");
-		if (skb->dev && skb->dev->hard_header_len
-		    && skb->mac_header != skb->network_header) {
+		if (skb->dev && skb->dev->hard_header_len &&
+		    skb->mac_header != skb->network_header) {
 			int i;
 			const unsigned char *p = skb_mac_header(skb);
 			for (i = 0; i < skb->dev->hard_header_len; i++,p++)
diff --git a/net/ipv4/netfilter/ipt_MASQUERADE.c b/net/ipv4/netfilter/ipt_MASQUERADE.c
index dada0863946..650b54042b0 100644
--- a/net/ipv4/netfilter/ipt_MASQUERADE.c
+++ b/net/ipv4/netfilter/ipt_MASQUERADE.c
@@ -59,8 +59,8 @@ masquerade_tg(struct sk_buff *skb, const struct xt_target_param *par)
 	ct = nf_ct_get(skb, &ctinfo);
 	nat = nfct_nat(ct);
 
-	NF_CT_ASSERT(ct && (ctinfo == IP_CT_NEW || ctinfo == IP_CT_RELATED
-			    || ctinfo == IP_CT_RELATED + IP_CT_IS_REPLY));
+	NF_CT_ASSERT(ct && (ctinfo == IP_CT_NEW || ctinfo == IP_CT_RELATED ||
+			    ctinfo == IP_CT_RELATED + IP_CT_IS_REPLY));
 
 	/* Source address is 0.0.0.0 - locally generated packet that is
 	 * probably not supposed to be masqueraded.
diff --git a/net/ipv4/netfilter/ipt_REJECT.c b/net/ipv4/netfilter/ipt_REJECT.c
index c93ae44bff2..5113b8f1a37 100644
--- a/net/ipv4/netfilter/ipt_REJECT.c
+++ b/net/ipv4/netfilter/ipt_REJECT.c
@@ -184,8 +184,8 @@ static bool reject_tg_check(const struct xt_tgchk_param *par)
 		return false;
 	} else if (rejinfo->with == IPT_TCP_RESET) {
 		/* Must specify that it's a TCP packet */
-		if (e->ip.proto != IPPROTO_TCP
-		    || (e->ip.invflags & XT_INV_PROTO)) {
+		if (e->ip.proto != IPPROTO_TCP ||
+		    (e->ip.invflags & XT_INV_PROTO)) {
 			printk("ipt_REJECT: TCP_RESET invalid for non-tcp\n");
 			return false;
 		}
diff --git a/net/ipv4/netfilter/ipt_ULOG.c b/net/ipv4/netfilter/ipt_ULOG.c
index d32cc4bb328..399061c3fd7 100644
--- a/net/ipv4/netfilter/ipt_ULOG.c
+++ b/net/ipv4/netfilter/ipt_ULOG.c
@@ -226,9 +226,9 @@ static void ipt_ulog_packet(unsigned int hooknum,
 	else
 		*(pm->prefix) = '\0';
 
-	if (in && in->hard_header_len > 0
-	    && skb->mac_header != skb->network_header
-	    && in->hard_header_len <= ULOG_MAC_LEN) {
+	if (in && in->hard_header_len > 0 &&
+	    skb->mac_header != skb->network_header &&
+	    in->hard_header_len <= ULOG_MAC_LEN) {
 		memcpy(pm->mac, skb_mac_header(skb), in->hard_header_len);
 		pm->mac_len = in->hard_header_len;
 	} else
diff --git a/net/ipv4/netfilter/ipt_ecn.c b/net/ipv4/netfilter/ipt_ecn.c
index 6289b64144c..2a1e56b7190 100644
--- a/net/ipv4/netfilter/ipt_ecn.c
+++ b/net/ipv4/netfilter/ipt_ecn.c
@@ -96,8 +96,8 @@ static bool ecn_mt_check(const struct xt_mtchk_param *par)
 	if (info->invert & IPT_ECN_OP_MATCH_MASK)
 		return false;
 
-	if (info->operation & (IPT_ECN_OP_MATCH_ECE|IPT_ECN_OP_MATCH_CWR)
-	    && ip->proto != IPPROTO_TCP) {
+	if (info->operation & (IPT_ECN_OP_MATCH_ECE|IPT_ECN_OP_MATCH_CWR) &&
+	    ip->proto != IPPROTO_TCP) {
 		printk(KERN_WARNING "ipt_ecn: can't match TCP bits in rule for"
 		       " non-tcp packets\n");
 		return false;
diff --git a/net/ipv4/netfilter/iptable_mangle.c b/net/ipv4/netfilter/iptable_mangle.c
index 036047f9b0f..fae78c3076c 100644
--- a/net/ipv4/netfilter/iptable_mangle.c
+++ b/net/ipv4/netfilter/iptable_mangle.c
@@ -130,8 +130,8 @@ ipt_local_hook(unsigned int hook,
 	u_int32_t mark;
 
 	/* root is playing with raw sockets. */
-	if (skb->len < sizeof(struct iphdr)
-	    || ip_hdrlen(skb) < sizeof(struct iphdr))
+	if (skb->len < sizeof(struct iphdr) ||
+	    ip_hdrlen(skb) < sizeof(struct iphdr))
 		return NF_ACCEPT;
 
 	/* Save things which could affect route */
diff --git a/net/ipv4/netfilter/iptable_security.c b/net/ipv4/netfilter/iptable_security.c
index 99eb76c65d2..3bd3d6388da 100644
--- a/net/ipv4/netfilter/iptable_security.c
+++ b/net/ipv4/netfilter/iptable_security.c
@@ -94,8 +94,8 @@ ipt_local_out_hook(unsigned int hook,
 		   int (*okfn)(struct sk_buff *))
 {
 	/* Somebody is playing with raw sockets. */
-	if (skb->len < sizeof(struct iphdr)
-	    || ip_hdrlen(skb) < sizeof(struct iphdr))
+	if (skb->len < sizeof(struct iphdr) ||
+	    ip_hdrlen(skb) < sizeof(struct iphdr))
 		return NF_ACCEPT;
 	return ipt_do_table(skb, hook, in, out,
 			    dev_net(out)->ipv4.iptable_security);
diff --git a/net/ipv4/netfilter/nf_conntrack_proto_icmp.c b/net/ipv4/netfilter/nf_conntrack_proto_icmp.c
index d71ba767734..e3dd93623df 100644
--- a/net/ipv4/netfilter/nf_conntrack_proto_icmp.c
+++ b/net/ipv4/netfilter/nf_conntrack_proto_icmp.c
@@ -54,8 +54,8 @@ static const u_int8_t invmap[] = {
 static bool icmp_invert_tuple(struct nf_conntrack_tuple *tuple,
 			      const struct nf_conntrack_tuple *orig)
 {
-	if (orig->dst.u.icmp.type >= sizeof(invmap)
-	    || !invmap[orig->dst.u.icmp.type])
+	if (orig->dst.u.icmp.type >= sizeof(invmap) ||
+	    !invmap[orig->dst.u.icmp.type])
 		return false;
 
 	tuple->src.u.icmp.id = orig->src.u.icmp.id;
@@ -101,8 +101,8 @@ static bool icmp_new(struct nf_conn *ct, const struct sk_buff *skb,
 		[ICMP_ADDRESS] = 1
 	};
 
-	if (ct->tuplehash[0].tuple.dst.u.icmp.type >= sizeof(valid_new)
-	    || !valid_new[ct->tuplehash[0].tuple.dst.u.icmp.type]) {
+	if (ct->tuplehash[0].tuple.dst.u.icmp.type >= sizeof(valid_new) ||
+	    !valid_new[ct->tuplehash[0].tuple.dst.u.icmp.type]) {
 		/* Can't create a new ICMP `conn' with this. */
 		pr_debug("icmp: can't create new conn with type %u\n",
 			 ct->tuplehash[0].tuple.dst.u.icmp.type);
@@ -201,11 +201,11 @@ icmp_error(struct net *net, struct sk_buff *skb, unsigned int dataoff,
 	}
 
 	/* Need to track icmp error message? */
-	if (icmph->type != ICMP_DEST_UNREACH
-	    && icmph->type != ICMP_SOURCE_QUENCH
-	    && icmph->type != ICMP_TIME_EXCEEDED
-	    && icmph->type != ICMP_PARAMETERPROB
-	    && icmph->type != ICMP_REDIRECT)
+	if (icmph->type != ICMP_DEST_UNREACH &&
+	    icmph->type != ICMP_SOURCE_QUENCH &&
+	    icmph->type != ICMP_TIME_EXCEEDED &&
+	    icmph->type != ICMP_PARAMETERPROB &&
+	    icmph->type != ICMP_REDIRECT)
 		return NF_ACCEPT;
 
 	return icmp_error_message(net, skb, ctinfo, hooknum);
@@ -238,17 +238,17 @@ static const struct nla_policy icmp_nla_policy[CTA_PROTO_MAX+1] = {
 static int icmp_nlattr_to_tuple(struct nlattr *tb[],
 				struct nf_conntrack_tuple *tuple)
 {
-	if (!tb[CTA_PROTO_ICMP_TYPE]
-	    || !tb[CTA_PROTO_ICMP_CODE]
-	    || !tb[CTA_PROTO_ICMP_ID])
+	if (!tb[CTA_PROTO_ICMP_TYPE] ||
+	    !tb[CTA_PROTO_ICMP_CODE] ||
+	    !tb[CTA_PROTO_ICMP_ID])
 		return -EINVAL;
 
 	tuple->dst.u.icmp.type = nla_get_u8(tb[CTA_PROTO_ICMP_TYPE]);
 	tuple->dst.u.icmp.code = nla_get_u8(tb[CTA_PROTO_ICMP_CODE]);
 	tuple->src.u.icmp.id = nla_get_be16(tb[CTA_PROTO_ICMP_ID]);
 
-	if (tuple->dst.u.icmp.type >= sizeof(invmap)
-	    || !invmap[tuple->dst.u.icmp.type])
+	if (tuple->dst.u.icmp.type >= sizeof(invmap) ||
+	    !invmap[tuple->dst.u.icmp.type])
 		return -EINVAL;
 
 	return 0;
diff --git a/net/ipv4/netfilter/nf_nat_standalone.c b/net/ipv4/netfilter/nf_nat_standalone.c
index 5f41d017ddd..5678e9562c1 100644
--- a/net/ipv4/netfilter/nf_nat_standalone.c
+++ b/net/ipv4/netfilter/nf_nat_standalone.c
@@ -197,11 +197,11 @@ nf_nat_out(unsigned int hooknum,
 	    (ct = nf_ct_get(skb, &ctinfo)) != NULL) {
 		enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo);
 
-		if (ct->tuplehash[dir].tuple.src.u3.ip !=
-		    ct->tuplehash[!dir].tuple.dst.u3.ip
-		    || ct->tuplehash[dir].tuple.src.u.all !=
-		       ct->tuplehash[!dir].tuple.dst.u.all
-		    )
+		if ((ct->tuplehash[dir].tuple.src.u3.ip !=
+		     ct->tuplehash[!dir].tuple.dst.u3.ip) ||
+		    (ct->tuplehash[dir].tuple.src.u.all !=
+		     ct->tuplehash[!dir].tuple.dst.u.all)
+		   )
 			return ip_xfrm_me_harder(skb) == 0 ? ret : NF_DROP;
 	}
 #endif
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index cc9f8ef303f..480d7f8c980 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -105,9 +105,9 @@ ip6_packet_match(const struct sk_buff *skb,
 #define FWINV(bool, invflg) ((bool) ^ !!(ip6info->invflags & (invflg)))
 
 	if (FWINV(ipv6_masked_addr_cmp(&ipv6->saddr, &ip6info->smsk,
-				       &ip6info->src), IP6T_INV_SRCIP)
-	    || FWINV(ipv6_masked_addr_cmp(&ipv6->daddr, &ip6info->dmsk,
-					  &ip6info->dst), IP6T_INV_DSTIP)) {
+				       &ip6info->src), IP6T_INV_SRCIP) ||
+	    FWINV(ipv6_masked_addr_cmp(&ipv6->daddr, &ip6info->dmsk,
+				       &ip6info->dst), IP6T_INV_DSTIP)) {
 		dprintf("Source or dest mismatch.\n");
 /*
 		dprintf("SRC: %u. Mask: %u. Target: %u.%s\n", ip->saddr,
@@ -277,11 +277,11 @@ get_chainname_rulenum(struct ip6t_entry *s, struct ip6t_entry *e,
 	} else if (s == e) {
 		(*rulenum)++;
 
-		if (s->target_offset == sizeof(struct ip6t_entry)
-		   && strcmp(t->target.u.kernel.target->name,
-			     IP6T_STANDARD_TARGET) == 0
-		   && t->verdict < 0
-		   && unconditional(&s->ipv6)) {
+		if (s->target_offset == sizeof(struct ip6t_entry) &&
+		    strcmp(t->target.u.kernel.target->name,
+			   IP6T_STANDARD_TARGET) == 0 &&
+		    t->verdict < 0 &&
+		    unconditional(&s->ipv6)) {
 			/* Tail of chains: STANDARD target (return/policy) */
 			*comment = *chainname == hookname
 				? comments[NF_IP6_TRACE_COMMENT_POLICY]
@@ -418,8 +418,8 @@ ip6t_do_table(struct sk_buff *skb,
 				back = get_entry(table_base, back->comefrom);
 				continue;
 			}
-			if (table_base + v != ip6t_next_entry(e)
-			    && !(e->ipv6.flags & IP6T_F_GOTO)) {
+			if (table_base + v != ip6t_next_entry(e) &&
+			    !(e->ipv6.flags & IP6T_F_GOTO)) {
 				/* Save old back ptr in next entry */
 				struct ip6t_entry *next = ip6t_next_entry(e);
 				next->comefrom = (void *)back - table_base;
@@ -505,11 +505,11 @@ mark_source_chains(struct xt_table_info *newinfo,
 			e->comefrom |= ((1 << hook) | (1 << NF_INET_NUMHOOKS));
 
 			/* Unconditional return/END. */
-			if ((e->target_offset == sizeof(struct ip6t_entry)
-			    && (strcmp(t->target.u.user.name,
-				       IP6T_STANDARD_TARGET) == 0)
-			    && t->verdict < 0
-			    && unconditional(&e->ipv6)) || visited) {
+			if ((e->target_offset == sizeof(struct ip6t_entry) &&
+			     (strcmp(t->target.u.user.name,
+				     IP6T_STANDARD_TARGET) == 0) &&
+			     t->verdict < 0 &&
+			     unconditional(&e->ipv6)) || visited) {
 				unsigned int oldpos, size;
 
 				if ((strcmp(t->target.u.user.name,
@@ -556,8 +556,8 @@ mark_source_chains(struct xt_table_info *newinfo,
 				int newpos = t->verdict;
 
 				if (strcmp(t->target.u.user.name,
-					   IP6T_STANDARD_TARGET) == 0
-				    && newpos >= 0) {
+					   IP6T_STANDARD_TARGET) == 0 &&
+				    newpos >= 0) {
 					if (newpos > newinfo->size -
 						sizeof(struct ip6t_entry)) {
 						duprintf("mark_source_chains: "
@@ -767,8 +767,8 @@ check_entry_size_and_hooks(struct ip6t_entry *e,
 {
 	unsigned int h;
 
-	if ((unsigned long)e % __alignof__(struct ip6t_entry) != 0
-	    || (unsigned char *)e + sizeof(struct ip6t_entry) >= limit) {
+	if ((unsigned long)e % __alignof__(struct ip6t_entry) != 0 ||
+	    (unsigned char *)e + sizeof(struct ip6t_entry) >= limit) {
 		duprintf("Bad offset %p\n", e);
 		return -EINVAL;
 	}
@@ -1584,8 +1584,8 @@ check_compat_entry_size_and_hooks(struct compat_ip6t_entry *e,
 	int ret, off, h;
 
 	duprintf("check_compat_entry_size_and_hooks %p\n", e);
-	if ((unsigned long)e % __alignof__(struct compat_ip6t_entry) != 0
-	    || (unsigned char *)e + sizeof(struct compat_ip6t_entry) >= limit) {
+	if ((unsigned long)e % __alignof__(struct compat_ip6t_entry) != 0 ||
+	    (unsigned char *)e + sizeof(struct compat_ip6t_entry) >= limit) {
 		duprintf("Bad offset %p, limit = %p\n", e, limit);
 		return -EINVAL;
 	}
diff --git a/net/ipv6/netfilter/ip6t_LOG.c b/net/ipv6/netfilter/ip6t_LOG.c
index 7018cac4fdd..b285fdf1905 100644
--- a/net/ipv6/netfilter/ip6t_LOG.c
+++ b/net/ipv6/netfilter/ip6t_LOG.c
@@ -249,8 +249,8 @@ static void dump_packet(const struct nf_loginfo *info,
 		/* Max length: 11 "URGP=65535 " */
 		printk("URGP=%u ", ntohs(th->urg_ptr));
 
-		if ((logflags & IP6T_LOG_TCPOPT)
-		    && th->doff * 4 > sizeof(struct tcphdr)) {
+		if ((logflags & IP6T_LOG_TCPOPT) &&
+		    th->doff * 4 > sizeof(struct tcphdr)) {
 			u_int8_t _opt[60 - sizeof(struct tcphdr)];
 			const u_int8_t *op;
 			unsigned int i;
diff --git a/net/ipv6/netfilter/ip6t_REJECT.c b/net/ipv6/netfilter/ip6t_REJECT.c
index 5a7f00cd15c..8311ca31816 100644
--- a/net/ipv6/netfilter/ip6t_REJECT.c
+++ b/net/ipv6/netfilter/ip6t_REJECT.c
@@ -223,8 +223,8 @@ static bool reject_tg6_check(const struct xt_tgchk_param *par)
 		return false;
 	} else if (rejinfo->with == IP6T_TCP_RESET) {
 		/* Must specify that it's a TCP packet */
-		if (e->ipv6.proto != IPPROTO_TCP
-		    || (e->ipv6.invflags & XT_INV_PROTO)) {
+		if (e->ipv6.proto != IPPROTO_TCP ||
+		    (e->ipv6.invflags & XT_INV_PROTO)) {
 			printk("ip6t_REJECT: TCP_RESET illegal for non-tcp\n");
 			return false;
 		}
diff --git a/net/ipv6/netfilter/ip6t_ah.c b/net/ipv6/netfilter/ip6t_ah.c
index 3a82f24746b..ac0b7c629d7 100644
--- a/net/ipv6/netfilter/ip6t_ah.c
+++ b/net/ipv6/netfilter/ip6t_ah.c
@@ -77,17 +77,14 @@ static bool ah_mt6(const struct sk_buff *skb, const struct xt_match_param *par)
 		 ahinfo->hdrres, ah->reserved,
 		 !(ahinfo->hdrres && ah->reserved));
 
-	return (ah != NULL)
-	       &&
-	       spi_match(ahinfo->spis[0], ahinfo->spis[1],
-			 ntohl(ah->spi),
-			 !!(ahinfo->invflags & IP6T_AH_INV_SPI))
-	       &&
-	       (!ahinfo->hdrlen ||
-		(ahinfo->hdrlen == hdrlen) ^
-		!!(ahinfo->invflags & IP6T_AH_INV_LEN))
-	       &&
-	       !(ahinfo->hdrres && ah->reserved);
+	return (ah != NULL) &&
+		spi_match(ahinfo->spis[0], ahinfo->spis[1],
+			  ntohl(ah->spi),
+			  !!(ahinfo->invflags & IP6T_AH_INV_SPI)) &&
+		(!ahinfo->hdrlen ||
+		 (ahinfo->hdrlen == hdrlen) ^
+		 !!(ahinfo->invflags & IP6T_AH_INV_LEN)) &&
+		!(ahinfo->hdrres && ah->reserved);
 }
 
 static bool ah_mt6_check(const struct xt_mtchk_param *par)
diff --git a/net/ipv6/netfilter/ip6t_frag.c b/net/ipv6/netfilter/ip6t_frag.c
index 673aa0a5084..7b91c2598ed 100644
--- a/net/ipv6/netfilter/ip6t_frag.c
+++ b/net/ipv6/netfilter/ip6t_frag.c
@@ -70,41 +70,36 @@ frag_mt6(const struct sk_buff *skb, const struct xt_match_param *par)
 	pr_debug("res %02X %02X%04X %02X ",
 		 fraginfo->flags & IP6T_FRAG_RES, fh->reserved,
 		 ntohs(fh->frag_off) & 0x6,
-		 !((fraginfo->flags & IP6T_FRAG_RES)
-		   && (fh->reserved || (ntohs(fh->frag_off) & 0x06))));
+		 !((fraginfo->flags & IP6T_FRAG_RES) &&
+		   (fh->reserved || (ntohs(fh->frag_off) & 0x06))));
 	pr_debug("first %02X %02X %02X ",
 		 fraginfo->flags & IP6T_FRAG_FST,
 		 ntohs(fh->frag_off) & ~0x7,
-		 !((fraginfo->flags & IP6T_FRAG_FST)
-		   && (ntohs(fh->frag_off) & ~0x7)));
+		 !((fraginfo->flags & IP6T_FRAG_FST) &&
+		   (ntohs(fh->frag_off) & ~0x7)));
 	pr_debug("mf %02X %02X %02X ",
 		 fraginfo->flags & IP6T_FRAG_MF,
 		 ntohs(fh->frag_off) & IP6_MF,
-		 !((fraginfo->flags & IP6T_FRAG_MF)
-		   && !((ntohs(fh->frag_off) & IP6_MF))));
+		 !((fraginfo->flags & IP6T_FRAG_MF) &&
+		   !((ntohs(fh->frag_off) & IP6_MF))));
 	pr_debug("last %02X %02X %02X\n",
 		 fraginfo->flags & IP6T_FRAG_NMF,
 		 ntohs(fh->frag_off) & IP6_MF,
-		 !((fraginfo->flags & IP6T_FRAG_NMF)
-		   && (ntohs(fh->frag_off) & IP6_MF)));
-
-	return (fh != NULL)
-	       &&
-	       id_match(fraginfo->ids[0], fraginfo->ids[1],
-			ntohl(fh->identification),
-			!!(fraginfo->invflags & IP6T_FRAG_INV_IDS))
-	       &&
-	       !((fraginfo->flags & IP6T_FRAG_RES)
-		 && (fh->reserved || (ntohs(fh->frag_off) & 0x6)))
-	       &&
-	       !((fraginfo->flags & IP6T_FRAG_FST)
-		 && (ntohs(fh->frag_off) & ~0x7))
-	       &&
-	       !((fraginfo->flags & IP6T_FRAG_MF)
-		 && !(ntohs(fh->frag_off) & IP6_MF))
-	       &&
-	       !((fraginfo->flags & IP6T_FRAG_NMF)
-		 && (ntohs(fh->frag_off) & IP6_MF));
+		 !((fraginfo->flags & IP6T_FRAG_NMF) &&
+		   (ntohs(fh->frag_off) & IP6_MF)));
+
+	return (fh != NULL) &&
+		id_match(fraginfo->ids[0], fraginfo->ids[1],
+			 ntohl(fh->identification),
+			 !!(fraginfo->invflags & IP6T_FRAG_INV_IDS)) &&
+		!((fraginfo->flags & IP6T_FRAG_RES) &&
+		  (fh->reserved || (ntohs(fh->frag_off) & 0x6))) &&
+		!((fraginfo->flags & IP6T_FRAG_FST) &&
+		  (ntohs(fh->frag_off) & ~0x7)) &&
+		!((fraginfo->flags & IP6T_FRAG_MF) &&
+		  !(ntohs(fh->frag_off) & IP6_MF)) &&
+		!((fraginfo->flags & IP6T_FRAG_NMF) &&
+		  (ntohs(fh->frag_off) & IP6_MF));
 }
 
 static bool frag_mt6_check(const struct xt_mtchk_param *par)
diff --git a/net/ipv6/netfilter/ip6t_rt.c b/net/ipv6/netfilter/ip6t_rt.c
index 356b8d6f6ba..b77307fc874 100644
--- a/net/ipv6/netfilter/ip6t_rt.c
+++ b/net/ipv6/netfilter/ip6t_rt.c
@@ -92,16 +92,13 @@ static bool rt_mt6(const struct sk_buff *skb, const struct xt_match_param *par)
 		 !((rtinfo->flags & IP6T_RT_RES) &&
 		   (((const struct rt0_hdr *)rh)->reserved)));
 
-	ret = (rh != NULL)
-	      &&
+	ret = (rh != NULL) &&
 	      (segsleft_match(rtinfo->segsleft[0], rtinfo->segsleft[1],
 			      rh->segments_left,
-			      !!(rtinfo->invflags & IP6T_RT_INV_SGS)))
-	      &&
+			      !!(rtinfo->invflags & IP6T_RT_INV_SGS))) &&
 	      (!(rtinfo->flags & IP6T_RT_LEN) ||
 	       ((rtinfo->hdrlen == hdrlen) ^
-		!!(rtinfo->invflags & IP6T_RT_INV_LEN)))
-	      &&
+		!!(rtinfo->invflags & IP6T_RT_INV_LEN))) &&
 	      (!(rtinfo->flags & IP6T_RT_TYP) ||
 	       ((rtinfo->rt_type == rh->type) ^
 		!!(rtinfo->invflags & IP6T_RT_INV_TYP)));
diff --git a/net/ipv6/netfilter/ip6table_filter.c b/net/ipv6/netfilter/ip6table_filter.c
index 6f4383ad86f..ad378efd0eb 100644
--- a/net/ipv6/netfilter/ip6table_filter.c
+++ b/net/ipv6/netfilter/ip6table_filter.c
@@ -79,8 +79,8 @@ ip6t_local_out_hook(unsigned int hook,
 {
 #if 0
 	/* root is playing with raw sockets. */
-	if (skb->len < sizeof(struct iphdr)
-	    || ip_hdrlen(skb) < sizeof(struct iphdr)) {
+	if (skb->len < sizeof(struct iphdr) ||
+	    ip_hdrlen(skb) < sizeof(struct iphdr)) {
 		if (net_ratelimit())
 			printk("ip6t_hook: happy cracking.\n");
 		return NF_ACCEPT;
diff --git a/net/ipv6/netfilter/ip6table_mangle.c b/net/ipv6/netfilter/ip6table_mangle.c
index 0ad91433ed6..a929c19d30e 100644
--- a/net/ipv6/netfilter/ip6table_mangle.c
+++ b/net/ipv6/netfilter/ip6table_mangle.c
@@ -102,8 +102,8 @@ ip6t_local_out_hook(unsigned int hook,
 
 #if 0
 	/* root is playing with raw sockets. */
-	if (skb->len < sizeof(struct iphdr)
-	    || ip_hdrlen(skb) < sizeof(struct iphdr)) {
+	if (skb->len < sizeof(struct iphdr) ||
+	    ip_hdrlen(skb) < sizeof(struct iphdr)) {
 		if (net_ratelimit())
 			printk("ip6t_hook: happy cracking.\n");
 		return NF_ACCEPT;
@@ -122,11 +122,11 @@ ip6t_local_out_hook(unsigned int hook,
 	ret = ip6t_do_table(skb, hook, in, out,
 			    dev_net(out)->ipv6.ip6table_mangle);
 
-	if (ret != NF_DROP && ret != NF_STOLEN
-		&& (memcmp(&ipv6_hdr(skb)->saddr, &saddr, sizeof(saddr))
-		    || memcmp(&ipv6_hdr(skb)->daddr, &daddr, sizeof(daddr))
-		    || skb->mark != mark
-		    || ipv6_hdr(skb)->hop_limit != hop_limit))
+	if (ret != NF_DROP && ret != NF_STOLEN &&
+	    (memcmp(&ipv6_hdr(skb)->saddr, &saddr, sizeof(saddr)) ||
+	     memcmp(&ipv6_hdr(skb)->daddr, &daddr, sizeof(daddr)) ||
+	     skb->mark != mark ||
+	     ipv6_hdr(skb)->hop_limit != hop_limit))
 		return ip6_route_me_harder(skb) == 0 ? ret : NF_DROP;
 
 	return ret;
diff --git a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
index 642dcb127ba..0f3df45718a 100644
--- a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
@@ -244,18 +244,18 @@ static const struct nla_policy icmpv6_nla_policy[CTA_PROTO_MAX+1] = {
 static int icmpv6_nlattr_to_tuple(struct nlattr *tb[],
 				struct nf_conntrack_tuple *tuple)
 {
-	if (!tb[CTA_PROTO_ICMPV6_TYPE]
-	    || !tb[CTA_PROTO_ICMPV6_CODE]
-	    || !tb[CTA_PROTO_ICMPV6_ID])
+	if (!tb[CTA_PROTO_ICMPV6_TYPE] ||
+	    !tb[CTA_PROTO_ICMPV6_CODE] ||
+	    !tb[CTA_PROTO_ICMPV6_ID])
 		return -EINVAL;
 
 	tuple->dst.u.icmp.type = nla_get_u8(tb[CTA_PROTO_ICMPV6_TYPE]);
 	tuple->dst.u.icmp.code = nla_get_u8(tb[CTA_PROTO_ICMPV6_CODE]);
 	tuple->src.u.icmp.id = nla_get_be16(tb[CTA_PROTO_ICMPV6_ID]);
 
-	if (tuple->dst.u.icmp.type < 128
-	    || tuple->dst.u.icmp.type - 128 >= sizeof(invmap)
-	    || !invmap[tuple->dst.u.icmp.type - 128])
+	if (tuple->dst.u.icmp.type < 128 ||
+	    tuple->dst.u.icmp.type - 128 >= sizeof(invmap) ||
+	    !invmap[tuple->dst.u.icmp.type - 128])
 		return -EINVAL;
 
 	return 0;
-- 
GitLab


From 9e0c8a5bab7190a31d6f2cba28999457dd4d9b7c Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Mon, 23 Nov 2009 16:01:33 +0000
Subject: [PATCH 1504/1815] sfc: Remove pointless abstraction of memory BAR
 number (2)

Finish the job by removing the structure member.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/net_driver.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index bb3d258bd5e..bc6fb2b2966 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -848,7 +848,6 @@ static inline const char *efx_dev_name(struct efx_nic *efx)
 
 /**
  * struct efx_nic_type - Efx device type definition
- * @mem_bar: Memory BAR number
  * @mem_map_size: Memory BAR mapped size
  * @txd_ptr_tbl_base: TX descriptor ring base address
  * @rxd_ptr_tbl_base: RX descriptor ring base address
@@ -863,7 +862,6 @@ static inline const char *efx_dev_name(struct efx_nic *efx)
  *	descriptors
  */
 struct efx_nic_type {
-	unsigned int mem_bar;
 	unsigned int mem_map_size;
 	unsigned int txd_ptr_tbl_base;
 	unsigned int rxd_ptr_tbl_base;
-- 
GitLab


From d96d7dc9f19aafe4dd5f2f84d09653e14d2e8d8b Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Mon, 23 Nov 2009 16:01:44 +0000
Subject: [PATCH 1505/1815] sfc: Remove redundant gotos from __efx_rx_packet()

This function no longer has any common cleanup code.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/rx.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/net/sfc/rx.c b/drivers/net/sfc/rx.c
index a60c7188fda..32cfe40881c 100644
--- a/drivers/net/sfc/rx.c
+++ b/drivers/net/sfc/rx.c
@@ -564,7 +564,7 @@ void __efx_rx_packet(struct efx_channel *channel,
 	if (unlikely(efx->loopback_selftest)) {
 		efx_loopback_rx_packet(efx, rx_buf->data, rx_buf->len);
 		efx_free_rx_buffer(efx, rx_buf);
-		goto done;
+		return;
 	}
 
 	if (rx_buf->skb) {
@@ -580,7 +580,7 @@ void __efx_rx_packet(struct efx_channel *channel,
 
 	if (likely(checksummed || rx_buf->page)) {
 		efx_rx_packet_lro(channel, rx_buf, checksummed);
-		goto done;
+		return;
 	}
 
 	/* We now own the SKB */
@@ -601,9 +601,6 @@ void __efx_rx_packet(struct efx_channel *channel,
 
 	/* Update allocation strategy method */
 	channel->rx_alloc_level += RX_ALLOC_FACTOR_SKB;
-
-done:
-	;
 }
 
 void efx_rx_strategy(struct efx_channel *channel)
-- 
GitLab


From 3139e62827b9f2b9b553816de664edfe4573c954 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Mon, 23 Nov 2009 16:01:55 +0000
Subject: [PATCH 1506/1815] sfc: Remove ridiculously paranoid assertions

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/rx.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/net/sfc/rx.c b/drivers/net/sfc/rx.c
index 32cfe40881c..c4073522c0a 100644
--- a/drivers/net/sfc/rx.c
+++ b/drivers/net/sfc/rx.c
@@ -586,9 +586,6 @@ void __efx_rx_packet(struct efx_channel *channel,
 	/* We now own the SKB */
 	skb = rx_buf->skb;
 	rx_buf->skb = NULL;
-
-	EFX_BUG_ON_PARANOID(rx_buf->page);
-	EFX_BUG_ON_PARANOID(rx_buf->skb);
 	EFX_BUG_ON_PARANOID(!skb);
 
 	/* Set the SKB flags */
-- 
GitLab


From 1241e951af060c16cd851a83a045ca3a80288383 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Mon, 23 Nov 2009 16:02:25 +0000
Subject: [PATCH 1507/1815] sfc: Move assertions and buffer cleanup earlier in
 efx_rx_packet_lro()

This removes the need to use a label and goto, and makes the two
branches mirror each other more closely.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/rx.c | 26 ++++++++++++++------------
 1 file changed, 14 insertions(+), 12 deletions(-)

diff --git a/drivers/net/sfc/rx.c b/drivers/net/sfc/rx.c
index c4073522c0a..9e33391db35 100644
--- a/drivers/net/sfc/rx.c
+++ b/drivers/net/sfc/rx.c
@@ -449,15 +449,19 @@ static void efx_rx_packet_lro(struct efx_channel *channel,
 
 	/* Pass the skb/page into the LRO engine */
 	if (rx_buf->page) {
-		struct sk_buff *skb = napi_get_frags(napi);
+		struct page *page = rx_buf->page;
+		struct sk_buff *skb;
 
+		EFX_BUG_ON_PARANOID(rx_buf->skb);
+		rx_buf->page = NULL;
+
+		skb = napi_get_frags(napi);
 		if (!skb) {
-			put_page(rx_buf->page);
-			gro_result = GRO_DROP;
-			goto out;
+			put_page(page);
+			return;
 		}
 
-		skb_shinfo(skb)->frags[0].page = rx_buf->page;
+		skb_shinfo(skb)->frags[0].page = page;
 		skb_shinfo(skb)->frags[0].page_offset =
 			efx_rx_buf_offset(rx_buf);
 		skb_shinfo(skb)->frags[0].size = rx_buf->len;
@@ -470,16 +474,14 @@ static void efx_rx_packet_lro(struct efx_channel *channel,
 			checksummed ? CHECKSUM_UNNECESSARY : CHECKSUM_NONE;
 
 		gro_result = napi_gro_frags(napi);
-
-out:
-		EFX_BUG_ON_PARANOID(rx_buf->skb);
-		rx_buf->page = NULL;
 	} else {
-		EFX_BUG_ON_PARANOID(!rx_buf->skb);
-		EFX_BUG_ON_PARANOID(!checksummed);
+		struct sk_buff *skb = rx_buf->skb;
 
-		gro_result = napi_gro_receive(napi, rx_buf->skb);
+		EFX_BUG_ON_PARANOID(!skb);
+		EFX_BUG_ON_PARANOID(!checksummed);
 		rx_buf->skb = NULL;
+
+		gro_result = napi_gro_receive(napi, skb);
 	}
 
 	if (gro_result == GRO_NORMAL) {
-- 
GitLab


From 3eadb7b0ec39d7ee45804d691c96fa2fbc3745ee Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Mon, 23 Nov 2009 16:02:40 +0000
Subject: [PATCH 1508/1815] sfc: Record RX queue number on GRO path

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/rx.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/sfc/rx.c b/drivers/net/sfc/rx.c
index 9e33391db35..9f22d15d3d5 100644
--- a/drivers/net/sfc/rx.c
+++ b/drivers/net/sfc/rx.c
@@ -473,6 +473,8 @@ static void efx_rx_packet_lro(struct efx_channel *channel,
 		skb->ip_summed =
 			checksummed ? CHECKSUM_UNNECESSARY : CHECKSUM_NONE;
 
+		skb_record_rx_queue(skb, channel->channel);
+
 		gro_result = napi_gro_frags(napi);
 	} else {
 		struct sk_buff *skb = rx_buf->skb;
@@ -578,6 +580,8 @@ void __efx_rx_packet(struct efx_channel *channel,
 		 * at the ethernet header */
 		rx_buf->skb->protocol = eth_type_trans(rx_buf->skb,
 						       efx->net_dev);
+
+		skb_record_rx_queue(rx_buf->skb, channel->channel);
 	}
 
 	if (likely(checksummed || rx_buf->page)) {
@@ -593,8 +597,6 @@ void __efx_rx_packet(struct efx_channel *channel,
 	/* Set the SKB flags */
 	skb->ip_summed = CHECKSUM_NONE;
 
-	skb_record_rx_queue(skb, channel->channel);
-
 	/* Pass the packet up */
 	netif_receive_skb(skb);
 
-- 
GitLab


From dcf477b2d205abb8ccdb3b1cb668a0db2de202c0 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Mon, 23 Nov 2009 16:02:49 +0000
Subject: [PATCH 1509/1815] sfc: SFT9001: Reset LED configuration correctly
 after blinking

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/tenxpress.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c
index 390b27b5ace..19c78d28170 100644
--- a/drivers/net/sfc/tenxpress.c
+++ b/drivers/net/sfc/tenxpress.c
@@ -83,9 +83,9 @@
 #define PMA_PMD_LED_FLASH	(3)
 #define PMA_PMD_LED_MASK	3
 /* All LEDs under hardware control */
-#define PMA_PMD_LED_FULL_AUTO	(0)
+#define SFT9001_PMA_PMD_LED_DEFAULT 0
 /* Green and Amber under hardware control, Red off */
-#define PMA_PMD_LED_DEFAULT	(PMA_PMD_LED_OFF << PMA_PMD_LED_RX_LBN)
+#define SFX7101_PMA_PMD_LED_DEFAULT (PMA_PMD_LED_OFF << PMA_PMD_LED_RX_LBN)
 
 #define PMA_PMD_SPEED_ENABLE_REG 49192
 #define PMA_PMD_100TX_ADV_LBN    1
@@ -291,7 +291,7 @@ static int tenxpress_init(struct efx_nic *efx)
 		efx_mdio_set_flag(efx, MDIO_MMD_PMAPMD, PMA_PMD_LED_CTRL_REG,
 				  1 << PMA_PMA_LED_ACTIVITY_LBN, true);
 		efx_mdio_write(efx, MDIO_MMD_PMAPMD, PMA_PMD_LED_OVERR_REG,
-			       PMA_PMD_LED_DEFAULT);
+			       SFX7101_PMA_PMD_LED_DEFAULT);
 	}
 
 	return 0;
@@ -624,7 +624,10 @@ void tenxpress_phy_blink(struct efx_nic *efx, bool blink)
 			(PMA_PMD_LED_FLASH << PMA_PMD_LED_RX_LBN) |
 			(PMA_PMD_LED_FLASH << PMA_PMD_LED_LINK_LBN);
 	else
-		reg = PMA_PMD_LED_DEFAULT;
+		if (efx->phy_type == PHY_TYPE_SFX7101)
+			reg = SFX7101_PMA_PMD_LED_DEFAULT;
+		else
+			reg = SFT9001_PMA_PMD_LED_DEFAULT;
 
 	efx_mdio_write(efx, MDIO_MMD_PMAPMD, PMA_PMD_LED_OVERR_REG, reg);
 }
-- 
GitLab


From 398468ed1b5c61fe8bcbc8cc1ed323e3c23b58ef Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Mon, 23 Nov 2009 16:03:45 +0000
Subject: [PATCH 1510/1815] sfc: Use a single blink implementation

Only some PHYs have firmware support for a LED blink mode, so we
currently blink the others in a timer function.  Since all PHYs have
simple on and off modes, we don't gain anything by using multiple
blink implementations.  Also, since we have a process context there
is no need to use a timer.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c           |  7 ++--
 drivers/net/sfc/efx.h           |  3 +-
 drivers/net/sfc/ethtool.c       | 16 ++++----
 drivers/net/sfc/falcon_boards.c | 66 +++++++++++----------------------
 drivers/net/sfc/net_driver.h    | 18 ++++-----
 drivers/net/sfc/phy.h           |  2 +-
 drivers/net/sfc/qt202x_phy.c    |  3 --
 drivers/net/sfc/tenxpress.c     | 24 ++++++++----
 8 files changed, 62 insertions(+), 77 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 0d0243b7ac3..612cd815088 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -1890,7 +1890,9 @@ int efx_port_dummy_op_int(struct efx_nic *efx)
 	return 0;
 }
 void efx_port_dummy_op_void(struct efx_nic *efx) {}
-void efx_port_dummy_op_blink(struct efx_nic *efx, bool blink) {}
+void efx_port_dummy_op_set_id_led(struct efx_nic *efx, enum efx_led_mode mode)
+{
+}
 
 static struct efx_mac_operations efx_dummy_mac_operations = {
 	.reconfigure	= efx_port_dummy_op_void,
@@ -1909,9 +1911,8 @@ static struct efx_phy_operations efx_dummy_phy_operations = {
 static struct efx_board efx_dummy_board_info = {
 	.init		= efx_port_dummy_op_int,
 	.init_leds	= efx_port_dummy_op_void,
-	.set_id_led	= efx_port_dummy_op_blink,
+	.set_id_led	= efx_port_dummy_op_set_id_led,
 	.monitor	= efx_port_dummy_op_int,
-	.blink		= efx_port_dummy_op_blink,
 	.fini		= efx_port_dummy_op_void,
 };
 
diff --git a/drivers/net/sfc/efx.h b/drivers/net/sfc/efx.h
index 179e0e3b0ec..6f463946516 100644
--- a/drivers/net/sfc/efx.h
+++ b/drivers/net/sfc/efx.h
@@ -69,7 +69,8 @@ extern void efx_hex_dump(const u8 *, unsigned int, const char *);
 /* Dummy PHY ops for PHY drivers */
 extern int efx_port_dummy_op_int(struct efx_nic *efx);
 extern void efx_port_dummy_op_void(struct efx_nic *efx);
-extern void efx_port_dummy_op_blink(struct efx_nic *efx, bool blink);
+extern void
+efx_port_dummy_op_set_id_led(struct efx_nic *efx, enum efx_led_mode mode);
 
 /* MTD */
 #ifdef CONFIG_SFC_MTD
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index a313b61c8ff..18e02712818 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -187,13 +187,15 @@ static int efx_ethtool_phys_id(struct net_device *net_dev, u32 count)
 {
 	struct efx_nic *efx = netdev_priv(net_dev);
 
-	efx->board_info.blink(efx, 1);
-	set_current_state(TASK_INTERRUPTIBLE);
-	if (count)
-		schedule_timeout(count * HZ);
-	else
-		schedule();
-	efx->board_info.blink(efx, 0);
+	do {
+		efx->board_info.set_id_led(efx, EFX_LED_ON);
+		schedule_timeout_interruptible(HZ / 2);
+
+		efx->board_info.set_id_led(efx, EFX_LED_OFF);
+		schedule_timeout_interruptible(HZ / 2);
+	} while (!signal_pending(current) && --count != 0);
+
+	efx->board_info.set_id_led(efx, EFX_LED_DEFAULT);
 	return 0;
 }
 
diff --git a/drivers/net/sfc/falcon_boards.c b/drivers/net/sfc/falcon_boards.c
index d31c134981f..b2505fc5c1f 100644
--- a/drivers/net/sfc/falcon_boards.c
+++ b/drivers/net/sfc/falcon_boards.c
@@ -29,40 +29,6 @@
 #define FALCON_BOARD_SFN4111T 0x51
 #define FALCON_BOARD_SFN4112F 0x52
 
-/* Blink support. If the PHY has no auto-blink mode so we hang it off a timer */
-#define BLINK_INTERVAL (HZ/2)
-
-static void blink_led_timer(unsigned long context)
-{
-	struct efx_nic *efx = (struct efx_nic *)context;
-	struct efx_board *board = &efx->board_info;
-
-	board->set_id_led(efx, board->blink_state);
-	board->blink_state = !board->blink_state;
-	if (board->blink_resubmit)
-		mod_timer(&board->blink_timer, jiffies + BLINK_INTERVAL);
-}
-
-static void board_blink(struct efx_nic *efx, bool blink)
-{
-	struct efx_board *board = &efx->board_info;
-
-	/* The rtnl mutex serialises all ethtool ioctls, so
-	 * nothing special needs doing here. */
-	if (blink) {
-		board->blink_resubmit = true;
-		board->blink_state = false;
-		setup_timer(&board->blink_timer, blink_led_timer,
-			    (unsigned long)efx);
-		mod_timer(&board->blink_timer, jiffies + BLINK_INTERVAL);
-	} else {
-		board->blink_resubmit = false;
-		if (board->blink_timer.function)
-			del_timer_sync(&board->blink_timer);
-		board->init_leds(efx);
-	}
-}
-
 /*****************************************************************************
  * Support for LM87 sensor chip used on several boards
  */
@@ -469,7 +435,7 @@ static int sfe4001_init(struct efx_nic *efx)
 
 	/* 10Xpress has fixed-function LED pins, so there is no board-specific
 	 * blink code. */
-	efx->board_info.blink = tenxpress_phy_blink;
+	efx->board_info.set_id_led = tenxpress_set_id_led;
 
 	efx->board_info.monitor = sfe4001_check_hw;
 	efx->board_info.fini = sfe4001_fini;
@@ -546,7 +512,7 @@ static int sfn4111t_init(struct efx_nic *efx)
 	if (!efx->board_info.hwmon_client)
 		return -EIO;
 
-	efx->board_info.blink = tenxpress_phy_blink;
+	efx->board_info.set_id_led = tenxpress_set_id_led;
 	efx->board_info.monitor = sfn4111t_check_hw;
 	efx->board_info.fini = sfn4111t_fini;
 
@@ -619,10 +585,11 @@ static void sfe4002_init_leds(struct efx_nic *efx)
 	falcon_qt202x_set_led(efx, SFE4002_FAULT_LED, QUAKE_LED_OFF);
 }
 
-static void sfe4002_set_id_led(struct efx_nic *efx, bool state)
+static void sfe4002_set_id_led(struct efx_nic *efx, enum efx_led_mode mode)
 {
-	falcon_qt202x_set_led(efx, SFE4002_FAULT_LED, state ? QUAKE_LED_ON :
-			      QUAKE_LED_OFF);
+	falcon_qt202x_set_led(
+		efx, SFE4002_FAULT_LED,
+		(mode == EFX_LED_ON) ? QUAKE_LED_ON : QUAKE_LED_OFF);
 }
 
 static int sfe4002_check_hw(struct efx_nic *efx)
@@ -644,7 +611,6 @@ static int sfe4002_init(struct efx_nic *efx)
 	efx->board_info.monitor = sfe4002_check_hw;
 	efx->board_info.init_leds = sfe4002_init_leds;
 	efx->board_info.set_id_led = sfe4002_set_id_led;
-	efx->board_info.blink = board_blink;
 	efx->board_info.fini = efx_fini_lm87;
 	return 0;
 }
@@ -683,10 +649,23 @@ static void sfn4112f_init_leds(struct efx_nic *efx)
 			      QUAKE_LED_RXLINK | QUAKE_LED_LINK_STAT);
 }
 
-static void sfn4112f_set_id_led(struct efx_nic *efx, bool state)
+static void sfn4112f_set_id_led(struct efx_nic *efx, enum efx_led_mode mode)
 {
-	falcon_qt202x_set_led(efx, SFN4112F_LINK_LED,
-			      state ? QUAKE_LED_ON : QUAKE_LED_OFF);
+	int reg;
+
+	switch (mode) {
+	case EFX_LED_OFF:
+		reg = QUAKE_LED_OFF;
+		break;
+	case EFX_LED_ON:
+		reg = QUAKE_LED_ON;
+		break;
+	default:
+		reg = QUAKE_LED_RXLINK | QUAKE_LED_LINK_STAT;
+		break;
+	}
+
+	falcon_qt202x_set_led(efx, SFN4112F_LINK_LED, reg);
 }
 
 static int sfn4112f_check_hw(struct efx_nic *efx)
@@ -703,7 +682,6 @@ static int sfn4112f_init(struct efx_nic *efx)
 	efx->board_info.monitor = sfn4112f_check_hw;
 	efx->board_info.init_leds = sfn4112f_init_leds;
 	efx->board_info.set_id_led = sfn4112f_set_id_led;
-	efx->board_info.blink = board_blink;
 	efx->board_info.fini = efx_fini_lm87;
 	return 0;
 }
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index bc6fb2b2966..6b05d69429e 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -388,6 +388,12 @@ struct efx_channel {
 
 };
 
+enum efx_led_mode {
+	EFX_LED_OFF	= 0,
+	EFX_LED_ON	= 1,
+	EFX_LED_DEFAULT	= 2
+};
+
 /**
  * struct efx_board - board information
  * @type: Board model type
@@ -395,13 +401,9 @@ struct efx_channel {
  * @minor: Minor rev. (0, 1, ...)
  * @init: Initialisation function
  * @init_leds: Sets up board LEDs. May be called repeatedly.
- * @set_id_led: Turns the identification LED on or off
- * @blink: Starts/stops blinking
+ * @set_id_led: Set state of identifying LED or revert to automatic function
  * @monitor: Board-specific health check function
  * @fini: Cleanup function
- * @blink_state: Current blink state
- * @blink_resubmit: Blink timer resubmission flag
- * @blink_timer: Blink timer
  * @hwmon_client: I2C client for hardware monitor
  * @ioexp_client: I2C client for power/port control
  */
@@ -414,13 +416,9 @@ struct efx_board {
 	 * have a separate init callback that happens later than
 	 * board init. */
 	void (*init_leds)(struct efx_nic *efx);
-	void (*set_id_led) (struct efx_nic *efx, bool state);
+	void (*set_id_led) (struct efx_nic *efx, enum efx_led_mode mode);
 	int (*monitor) (struct efx_nic *nic);
-	void (*blink) (struct efx_nic *efx, bool start);
 	void (*fini) (struct efx_nic *nic);
-	bool blink_state;
-	bool blink_resubmit;
-	struct timer_list blink_timer;
 	struct i2c_client *hwmon_client, *ioexp_client;
 };
 
diff --git a/drivers/net/sfc/phy.h b/drivers/net/sfc/phy.h
index b5150f3bca3..2ad1cec2c72 100644
--- a/drivers/net/sfc/phy.h
+++ b/drivers/net/sfc/phy.h
@@ -16,7 +16,7 @@
 extern struct efx_phy_operations falcon_sfx7101_phy_ops;
 extern struct efx_phy_operations falcon_sft9001_phy_ops;
 
-extern void tenxpress_phy_blink(struct efx_nic *efx, bool blink);
+extern void tenxpress_set_id_led(struct efx_nic *efx, enum efx_led_mode mode);
 
 /* Wait for the PHY to boot. Return 0 on success, -EINVAL if the PHY failed
  * to boot due to corrupt flash, or some other negative error code. */
diff --git a/drivers/net/sfc/qt202x_phy.c b/drivers/net/sfc/qt202x_phy.c
index 560eb18280e..05c0f9acedb 100644
--- a/drivers/net/sfc/qt202x_phy.c
+++ b/drivers/net/sfc/qt202x_phy.c
@@ -228,9 +228,6 @@ static void qt202x_phy_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecm
 
 static void qt202x_phy_fini(struct efx_nic *efx)
 {
-	/* Clobber the LED if it was blinking */
-	efx->board_info.blink(efx, false);
-
 	/* Free the context block */
 	kfree(efx->phy_data);
 	efx->phy_data = NULL;
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c
index 19c78d28170..6a8e3ea0381 100644
--- a/drivers/net/sfc/tenxpress.c
+++ b/drivers/net/sfc/tenxpress.c
@@ -613,21 +613,29 @@ static void tenxpress_phy_fini(struct efx_nic *efx)
 }
 
 
-/* Set the RX and TX LEDs and Link LED flashing. The other LEDs
- * (which probably aren't wired anyway) are left in AUTO mode */
-void tenxpress_phy_blink(struct efx_nic *efx, bool blink)
+/* Override the RX, TX and link LEDs */
+void tenxpress_set_id_led(struct efx_nic *efx, enum efx_led_mode mode)
 {
 	int reg;
 
-	if (blink)
-		reg = (PMA_PMD_LED_FLASH << PMA_PMD_LED_TX_LBN) |
-			(PMA_PMD_LED_FLASH << PMA_PMD_LED_RX_LBN) |
-			(PMA_PMD_LED_FLASH << PMA_PMD_LED_LINK_LBN);
-	else
+	switch (mode) {
+	case EFX_LED_OFF:
+		reg = (PMA_PMD_LED_OFF << PMA_PMD_LED_TX_LBN) |
+			(PMA_PMD_LED_OFF << PMA_PMD_LED_RX_LBN) |
+			(PMA_PMD_LED_OFF << PMA_PMD_LED_LINK_LBN);
+		break;
+	case EFX_LED_ON:
+		reg = (PMA_PMD_LED_ON << PMA_PMD_LED_TX_LBN) |
+			(PMA_PMD_LED_ON << PMA_PMD_LED_RX_LBN) |
+			(PMA_PMD_LED_ON << PMA_PMD_LED_LINK_LBN);
+		break;
+	default:
 		if (efx->phy_type == PHY_TYPE_SFX7101)
 			reg = SFX7101_PMA_PMD_LED_DEFAULT;
 		else
 			reg = SFT9001_PMA_PMD_LED_DEFAULT;
+		break;
+	}
 
 	efx_mdio_write(efx, MDIO_MMD_PMAPMD, PMA_PMD_LED_OVERR_REG, reg);
 }
-- 
GitLab


From 981fc1b4b8cc6bfe8c6f0c07052e25738d959c68 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Mon, 23 Nov 2009 16:04:23 +0000
Subject: [PATCH 1511/1815] sfc: Rename efx_board::init_leds to init_phy and
 use for SFN4111T

efx_board::init_leds was introduced as a second stage of
initialisation because of the inter-dependency between the board and
PHY.  We want to move board initialisation into NIC probing, which is
too early to use MDIO, so SFN4111T initialisation also needs to be
split.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c           |  2 +-
 drivers/net/sfc/falcon_boards.c | 43 +++++++++++++++++++--------------
 drivers/net/sfc/net_driver.h    | 11 +++------
 drivers/net/sfc/qt202x_phy.c    |  2 +-
 drivers/net/sfc/tenxpress.c     |  2 ++
 5 files changed, 33 insertions(+), 27 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 612cd815088..d7705a75516 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -1910,7 +1910,7 @@ static struct efx_phy_operations efx_dummy_phy_operations = {
 
 static struct efx_board efx_dummy_board_info = {
 	.init		= efx_port_dummy_op_int,
-	.init_leds	= efx_port_dummy_op_void,
+	.init_phy	= efx_port_dummy_op_void,
 	.set_id_led	= efx_port_dummy_op_set_id_led,
 	.monitor	= efx_port_dummy_op_int,
 	.fini		= efx_port_dummy_op_void,
diff --git a/drivers/net/sfc/falcon_boards.c b/drivers/net/sfc/falcon_boards.c
index b2505fc5c1f..429d3cd646b 100644
--- a/drivers/net/sfc/falcon_boards.c
+++ b/drivers/net/sfc/falcon_boards.c
@@ -499,9 +499,22 @@ static struct i2c_board_info sfn4111t_r5_hwmon_info = {
 	I2C_BOARD_INFO("max6646", 0x4d),
 };
 
+static void sfn4111t_init_phy(struct efx_nic *efx)
+{
+	if (!(efx->phy_mode & PHY_MODE_SPECIAL)) {
+		if (sft9001_wait_boot(efx) != -EINVAL)
+			return;
+
+		efx->phy_mode = PHY_MODE_SPECIAL;
+		efx_stats_disable(efx);
+	}
+
+	sfn4111t_reset(efx);
+	sft9001_wait_boot(efx);
+}
+
 static int sfn4111t_init(struct efx_nic *efx)
 {
-	int i = 0;
 	int rc;
 
 	efx->board_info.hwmon_client =
@@ -512,6 +525,7 @@ static int sfn4111t_init(struct efx_nic *efx)
 	if (!efx->board_info.hwmon_client)
 		return -EIO;
 
+	efx->board_info.init_phy = sfn4111t_init_phy;
 	efx->board_info.set_id_led = tenxpress_set_id_led;
 	efx->board_info.monitor = sfn4111t_check_hw;
 	efx->board_info.fini = sfn4111t_fini;
@@ -520,20 +534,13 @@ static int sfn4111t_init(struct efx_nic *efx)
 	if (rc)
 		goto fail_hwmon;
 
-	do {
-		if (efx->phy_mode & PHY_MODE_SPECIAL) {
-			/* PHY may not generate a 156.25 MHz clock and MAC
-			 * stats fetch will fail. */
-			efx_stats_disable(efx);
-			sfn4111t_reset(efx);
-		}
-		rc = sft9001_wait_boot(efx);
-		if (rc == 0)
-			return 0;
-		efx->phy_mode = PHY_MODE_SPECIAL;
-	} while (rc == -EINVAL && ++i < 2);
+	if (efx->phy_mode & PHY_MODE_SPECIAL)
+		/* PHY may not generate a 156.25 MHz clock and MAC
+		 * stats fetch will fail. */
+		efx_stats_disable(efx);
+
+	return 0;
 
-	device_remove_file(&efx->pci_dev->dev, &dev_attr_phy_flash_cfg);
 fail_hwmon:
 	i2c_unregister_device(efx->board_info.hwmon_client);
 	return rc;
@@ -574,7 +581,7 @@ static struct i2c_board_info sfe4002_hwmon_info = {
 #define SFE4002_RX_LED    (0)	/* Green */
 #define SFE4002_TX_LED    (1)	/* Amber */
 
-static void sfe4002_init_leds(struct efx_nic *efx)
+static void sfe4002_init_phy(struct efx_nic *efx)
 {
 	/* Set the TX and RX LEDs to reflect status and activity, and the
 	 * fault LED off */
@@ -609,7 +616,7 @@ static int sfe4002_init(struct efx_nic *efx)
 	if (rc)
 		return rc;
 	efx->board_info.monitor = sfe4002_check_hw;
-	efx->board_info.init_leds = sfe4002_init_leds;
+	efx->board_info.init_phy = sfe4002_init_phy;
 	efx->board_info.set_id_led = sfe4002_set_id_led;
 	efx->board_info.fini = efx_fini_lm87;
 	return 0;
@@ -641,7 +648,7 @@ static struct i2c_board_info sfn4112f_hwmon_info = {
 #define SFN4112F_ACT_LED	0
 #define SFN4112F_LINK_LED	1
 
-static void sfn4112f_init_leds(struct efx_nic *efx)
+static void sfn4112f_init_phy(struct efx_nic *efx)
 {
 	falcon_qt202x_set_led(efx, SFN4112F_ACT_LED,
 			      QUAKE_LED_RXLINK | QUAKE_LED_LINK_ACT);
@@ -680,7 +687,7 @@ static int sfn4112f_init(struct efx_nic *efx)
 	if (rc)
 		return rc;
 	efx->board_info.monitor = sfn4112f_check_hw;
-	efx->board_info.init_leds = sfn4112f_init_leds;
+	efx->board_info.init_phy = sfn4112f_init_phy;
 	efx->board_info.set_id_led = sfn4112f_set_id_led;
 	efx->board_info.fini = efx_fini_lm87;
 	return 0;
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index 6b05d69429e..e1df589dff6 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -399,11 +399,11 @@ enum efx_led_mode {
  * @type: Board model type
  * @major: Major rev. ('A', 'B' ...)
  * @minor: Minor rev. (0, 1, ...)
- * @init: Initialisation function
- * @init_leds: Sets up board LEDs. May be called repeatedly.
+ * @init: Allocate resources and initialise peripheral hardware
+ * @init_phy: Do board-specific PHY initialisation
  * @set_id_led: Set state of identifying LED or revert to automatic function
  * @monitor: Board-specific health check function
- * @fini: Cleanup function
+ * @fini: Shut down hardware and free resources
  * @hwmon_client: I2C client for hardware monitor
  * @ioexp_client: I2C client for power/port control
  */
@@ -412,10 +412,7 @@ struct efx_board {
 	int major;
 	int minor;
 	int (*init) (struct efx_nic *nic);
-	/* As the LEDs are typically attached to the PHY, LEDs
-	 * have a separate init callback that happens later than
-	 * board init. */
-	void (*init_leds)(struct efx_nic *efx);
+	void (*init_phy) (struct efx_nic *efx);
 	void (*set_id_led) (struct efx_nic *efx, enum efx_led_mode mode);
 	int (*monitor) (struct efx_nic *nic);
 	void (*fini) (struct efx_nic *nic);
diff --git a/drivers/net/sfc/qt202x_phy.c b/drivers/net/sfc/qt202x_phy.c
index 05c0f9acedb..f26684fc8ca 100644
--- a/drivers/net/sfc/qt202x_phy.c
+++ b/drivers/net/sfc/qt202x_phy.c
@@ -126,7 +126,7 @@ static int qt202x_reset_phy(struct efx_nic *efx)
 	if (rc < 0)
 		goto fail;
 
-	efx->board_info.init_leds(efx);
+	efx->board_info.init_phy(efx);
 
 	return rc;
 
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c
index 6a8e3ea0381..2923e3d1e02 100644
--- a/drivers/net/sfc/tenxpress.c
+++ b/drivers/net/sfc/tenxpress.c
@@ -303,6 +303,8 @@ static int tenxpress_phy_init(struct efx_nic *efx)
 	u16 old_adv, adv;
 	int rc = 0;
 
+	efx->board_info.init_phy(efx);
+
 	phy_data = kzalloc(sizeof(*phy_data), GFP_KERNEL);
 	if (!phy_data)
 		return -ENOMEM;
-- 
GitLab


From 278c0621fbc4ef52177969edb6f07352da816fdb Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Mon, 23 Nov 2009 16:05:12 +0000
Subject: [PATCH 1512/1815] sfc: Make board information explicitly
 Falcon-specific

Rename struct efx_board to struct falcon_board.

Introduce and use inline function to look up board info from struct
efx_nic, in preparation for moving it.

Move board init and fini calls into NIC probe and remove functions.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c           |  25 ++------
 drivers/net/sfc/ethtool.c       |   6 +-
 drivers/net/sfc/falcon.c        |  11 ++++
 drivers/net/sfc/falcon.h        |   5 ++
 drivers/net/sfc/falcon_boards.c | 106 +++++++++++++++++---------------
 drivers/net/sfc/net_driver.h    |   6 +-
 drivers/net/sfc/qt202x_phy.c    |   2 +-
 drivers/net/sfc/tenxpress.c     |   2 +-
 8 files changed, 88 insertions(+), 75 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index d7705a75516..c9f80042669 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -1265,7 +1265,7 @@ static void efx_monitor(struct work_struct *data)
 		goto out_requeue;
 	if (!efx->port_enabled)
 		goto out_unlock;
-	rc = efx->board_info.monitor(efx);
+	rc = falcon_board(efx)->monitor(efx);
 	if (rc) {
 		EFX_ERR(efx, "Board sensor %s; shutting down PHY\n",
 			(rc == -ERANGE) ? "reported fault" : "failed");
@@ -1908,7 +1908,7 @@ static struct efx_phy_operations efx_dummy_phy_operations = {
 	.clear_interrupt = efx_port_dummy_op_void,
 };
 
-static struct efx_board efx_dummy_board_info = {
+static struct falcon_board efx_dummy_board_info = {
 	.init		= efx_port_dummy_op_int,
 	.init_phy	= efx_port_dummy_op_void,
 	.set_id_led	= efx_port_dummy_op_set_id_led,
@@ -2026,10 +2026,6 @@ static void efx_pci_remove_main(struct efx_nic *efx)
 	falcon_fini_interrupt(efx);
 	efx_fini_channels(efx);
 	efx_fini_port(efx);
-
-	/* Shutdown the board, then the NIC and board state */
-	efx->board_info.fini(efx);
-
 	efx_fini_napi(efx);
 	efx_remove_all(efx);
 }
@@ -2089,39 +2085,30 @@ static int efx_pci_probe_main(struct efx_nic *efx)
 	if (rc)
 		goto fail2;
 
-	/* Initialise the board */
-	rc = efx->board_info.init(efx);
-	if (rc) {
-		EFX_ERR(efx, "failed to initialise board\n");
-		goto fail3;
-	}
-
 	rc = falcon_init_nic(efx);
 	if (rc) {
 		EFX_ERR(efx, "failed to initialise NIC\n");
-		goto fail4;
+		goto fail3;
 	}
 
 	rc = efx_init_port(efx);
 	if (rc) {
 		EFX_ERR(efx, "failed to initialise port\n");
-		goto fail5;
+		goto fail4;
 	}
 
 	efx_init_channels(efx);
 
 	rc = falcon_init_interrupt(efx);
 	if (rc)
-		goto fail6;
+		goto fail5;
 
 	return 0;
 
- fail6:
+ fail5:
 	efx_fini_channels(efx);
 	efx_fini_port(efx);
- fail5:
  fail4:
-	efx->board_info.fini(efx);
  fail3:
 	efx_fini_napi(efx);
  fail2:
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index 18e02712818..bb415326c73 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -188,14 +188,14 @@ static int efx_ethtool_phys_id(struct net_device *net_dev, u32 count)
 	struct efx_nic *efx = netdev_priv(net_dev);
 
 	do {
-		efx->board_info.set_id_led(efx, EFX_LED_ON);
+		falcon_board(efx)->set_id_led(efx, EFX_LED_ON);
 		schedule_timeout_interruptible(HZ / 2);
 
-		efx->board_info.set_id_led(efx, EFX_LED_OFF);
+		falcon_board(efx)->set_id_led(efx, EFX_LED_OFF);
 		schedule_timeout_interruptible(HZ / 2);
 	} while (!signal_pending(current) && --count != 0);
 
-	efx->board_info.set_id_led(efx, EFX_LED_DEFAULT);
+	falcon_board(efx)->set_id_led(efx, EFX_LED_DEFAULT);
 	return 0;
 }
 
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 865638b035b..29e79f77b73 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -2877,8 +2877,17 @@ int falcon_probe_nic(struct efx_nic *efx)
 	if (rc)
 		goto fail5;
 
+	rc = falcon_board(efx)->init(efx);
+	if (rc) {
+		EFX_ERR(efx, "failed to initialise board\n");
+		goto fail6;
+	}
+
 	return 0;
 
+ fail6:
+	BUG_ON(i2c_del_adapter(&efx->i2c_adap));
+	memset(&efx->i2c_adap, 0, sizeof(efx->i2c_adap));
  fail5:
 	falcon_remove_spi_devices(efx);
 	falcon_free_buffer(efx, &efx->irq_status);
@@ -3070,6 +3079,8 @@ void falcon_remove_nic(struct efx_nic *efx)
 	struct falcon_nic_data *nic_data = efx->nic_data;
 	int rc;
 
+	falcon_board(efx)->fini(efx);
+
 	/* Remove I2C adapter and clear it in preparation for a retry */
 	rc = i2c_del_adapter(&efx->i2c_adap);
 	BUG_ON(rc);
diff --git a/drivers/net/sfc/falcon.h b/drivers/net/sfc/falcon.h
index 4dd965774a9..54dad2de22f 100644
--- a/drivers/net/sfc/falcon.h
+++ b/drivers/net/sfc/falcon.h
@@ -29,6 +29,11 @@ static inline int falcon_rev(struct efx_nic *efx)
 	return efx->pci_dev->revision;
 }
 
+static inline struct falcon_board *falcon_board(struct efx_nic *efx)
+{
+	return &efx->board_info;
+}
+
 extern struct efx_nic_type falcon_a_nic_type;
 extern struct efx_nic_type falcon_b_nic_type;
 
diff --git a/drivers/net/sfc/falcon_boards.c b/drivers/net/sfc/falcon_boards.c
index 429d3cd646b..af7cd2a0b44 100644
--- a/drivers/net/sfc/falcon_boards.c
+++ b/drivers/net/sfc/falcon_boards.c
@@ -65,7 +65,7 @@ static int efx_init_lm87(struct efx_nic *efx, struct i2c_board_info *info,
 			goto err;
 	}
 
-	efx->board_info.hwmon_client = client;
+	falcon_board(efx)->hwmon_client = client;
 	return 0;
 
 err:
@@ -75,12 +75,12 @@ err:
 
 static void efx_fini_lm87(struct efx_nic *efx)
 {
-	i2c_unregister_device(efx->board_info.hwmon_client);
+	i2c_unregister_device(falcon_board(efx)->hwmon_client);
 }
 
 static int efx_check_lm87(struct efx_nic *efx, unsigned mask)
 {
-	struct i2c_client *client = efx->board_info.hwmon_client;
+	struct i2c_client *client = falcon_board(efx)->hwmon_client;
 	s32 alarms1, alarms2;
 
 	/* If link is up then do not monitor temperature */
@@ -189,8 +189,8 @@ static inline int efx_check_lm87(struct efx_nic *efx, unsigned mask)
 
 static void sfe4001_poweroff(struct efx_nic *efx)
 {
-	struct i2c_client *ioexp_client = efx->board_info.ioexp_client;
-	struct i2c_client *hwmon_client = efx->board_info.hwmon_client;
+	struct i2c_client *ioexp_client = falcon_board(efx)->ioexp_client;
+	struct i2c_client *hwmon_client = falcon_board(efx)->hwmon_client;
 
 	/* Turn off all power rails and disable outputs */
 	i2c_smbus_write_byte_data(ioexp_client, P0_OUT, 0xff);
@@ -203,8 +203,8 @@ static void sfe4001_poweroff(struct efx_nic *efx)
 
 static int sfe4001_poweron(struct efx_nic *efx)
 {
-	struct i2c_client *hwmon_client = efx->board_info.hwmon_client;
-	struct i2c_client *ioexp_client = efx->board_info.ioexp_client;
+	struct i2c_client *ioexp_client = falcon_board(efx)->ioexp_client;
+	struct i2c_client *hwmon_client = falcon_board(efx)->hwmon_client;
 	unsigned int i, j;
 	int rc;
 	u8 out;
@@ -346,7 +346,7 @@ static ssize_t set_phy_flash_cfg(struct device *dev,
 		efx->phy_mode = new_mode;
 		if (new_mode & PHY_MODE_SPECIAL)
 			efx_stats_disable(efx);
-		if (efx->board_info.type == FALCON_BOARD_SFE4001)
+		if (falcon_board(efx)->type == FALCON_BOARD_SFE4001)
 			err = sfe4001_poweron(efx);
 		else
 			err = sfn4111t_reset(efx);
@@ -363,12 +363,14 @@ static DEVICE_ATTR(phy_flash_cfg, 0644, show_phy_flash_cfg, set_phy_flash_cfg);
 
 static void sfe4001_fini(struct efx_nic *efx)
 {
+	struct falcon_board *board = falcon_board(efx);
+
 	EFX_INFO(efx, "%s\n", __func__);
 
 	device_remove_file(&efx->pci_dev->dev, &dev_attr_phy_flash_cfg);
 	sfe4001_poweroff(efx);
-	i2c_unregister_device(efx->board_info.ioexp_client);
-	i2c_unregister_device(efx->board_info.hwmon_client);
+	i2c_unregister_device(board->ioexp_client);
+	i2c_unregister_device(board->hwmon_client);
 }
 
 static int sfe4001_check_hw(struct efx_nic *efx)
@@ -387,7 +389,7 @@ static int sfe4001_check_hw(struct efx_nic *efx)
 	 * the power undesirably.
 	 * We know we can read from the IO expander because we did
 	 * it during power-on. Assume failure now is bad news. */
-	status = i2c_smbus_read_byte_data(efx->board_info.ioexp_client, P1_IN);
+	status = i2c_smbus_read_byte_data(falcon_board(efx)->ioexp_client, P1_IN);
 	if (status >= 0 &&
 	    (status & ((1 << P1_AFE_PWD_LBN) | (1 << P1_DSP_PWD25_LBN))) != 0)
 		return 0;
@@ -409,36 +411,37 @@ static struct i2c_board_info sfe4001_hwmon_info = {
  */
 static int sfe4001_init(struct efx_nic *efx)
 {
+	struct falcon_board *board = falcon_board(efx);
 	int rc;
 
 #if defined(CONFIG_SENSORS_LM90) || defined(CONFIG_SENSORS_LM90_MODULE)
-	efx->board_info.hwmon_client =
+	board->hwmon_client =
 		i2c_new_device(&efx->i2c_adap, &sfe4001_hwmon_info);
 #else
-	efx->board_info.hwmon_client =
+	board->hwmon_client =
 		i2c_new_dummy(&efx->i2c_adap, sfe4001_hwmon_info.addr);
 #endif
-	if (!efx->board_info.hwmon_client)
+	if (!board->hwmon_client)
 		return -EIO;
 
 	/* Raise board/PHY high limit from 85 to 90 degrees Celsius */
-	rc = i2c_smbus_write_byte_data(efx->board_info.hwmon_client,
+	rc = i2c_smbus_write_byte_data(board->hwmon_client,
 				       MAX664X_REG_WLHO, 90);
 	if (rc)
 		goto fail_hwmon;
 
-	efx->board_info.ioexp_client = i2c_new_dummy(&efx->i2c_adap, PCA9539);
-	if (!efx->board_info.ioexp_client) {
+	board->ioexp_client = i2c_new_dummy(&efx->i2c_adap, PCA9539);
+	if (!board->ioexp_client) {
 		rc = -EIO;
 		goto fail_hwmon;
 	}
 
 	/* 10Xpress has fixed-function LED pins, so there is no board-specific
 	 * blink code. */
-	efx->board_info.set_id_led = tenxpress_set_id_led;
+	board->set_id_led = tenxpress_set_id_led;
 
-	efx->board_info.monitor = sfe4001_check_hw;
-	efx->board_info.fini = sfe4001_fini;
+	board->monitor = sfe4001_check_hw;
+	board->fini = sfe4001_fini;
 
 	if (efx->phy_mode & PHY_MODE_SPECIAL) {
 		/* PHY won't generate a 156.25 MHz clock and MAC stats fetch
@@ -459,9 +462,9 @@ static int sfe4001_init(struct efx_nic *efx)
 fail_on:
 	sfe4001_poweroff(efx);
 fail_ioexp:
-	i2c_unregister_device(efx->board_info.ioexp_client);
+	i2c_unregister_device(board->ioexp_client);
 fail_hwmon:
-	i2c_unregister_device(efx->board_info.hwmon_client);
+	i2c_unregister_device(board->hwmon_client);
 	return rc;
 }
 
@@ -474,7 +477,7 @@ static int sfn4111t_check_hw(struct efx_nic *efx)
 		return 0;
 
 	/* Test LHIGH, RHIGH, FAULT, EOT and IOT alarms */
-	status = i2c_smbus_read_byte_data(efx->board_info.hwmon_client,
+	status = i2c_smbus_read_byte_data(falcon_board(efx)->hwmon_client,
 					  MAX664X_REG_RSL);
 	if (status < 0)
 		return -EIO;
@@ -488,7 +491,7 @@ static void sfn4111t_fini(struct efx_nic *efx)
 	EFX_INFO(efx, "%s\n", __func__);
 
 	device_remove_file(&efx->pci_dev->dev, &dev_attr_phy_flash_cfg);
-	i2c_unregister_device(efx->board_info.hwmon_client);
+	i2c_unregister_device(falcon_board(efx)->hwmon_client);
 }
 
 static struct i2c_board_info sfn4111t_a0_hwmon_info = {
@@ -515,20 +518,21 @@ static void sfn4111t_init_phy(struct efx_nic *efx)
 
 static int sfn4111t_init(struct efx_nic *efx)
 {
+	struct falcon_board *board = falcon_board(efx);
 	int rc;
 
-	efx->board_info.hwmon_client =
+	board->hwmon_client =
 		i2c_new_device(&efx->i2c_adap,
-			       (efx->board_info.minor < 5) ?
+			       (board->minor < 5) ?
 			       &sfn4111t_a0_hwmon_info :
 			       &sfn4111t_r5_hwmon_info);
-	if (!efx->board_info.hwmon_client)
+	if (!board->hwmon_client)
 		return -EIO;
 
-	efx->board_info.init_phy = sfn4111t_init_phy;
-	efx->board_info.set_id_led = tenxpress_set_id_led;
-	efx->board_info.monitor = sfn4111t_check_hw;
-	efx->board_info.fini = sfn4111t_fini;
+	board->init_phy = sfn4111t_init_phy;
+	board->set_id_led = tenxpress_set_id_led;
+	board->monitor = sfn4111t_check_hw;
+	board->fini = sfn4111t_fini;
 
 	rc = device_create_file(&efx->pci_dev->dev, &dev_attr_phy_flash_cfg);
 	if (rc)
@@ -542,7 +546,7 @@ static int sfn4111t_init(struct efx_nic *efx)
 	return 0;
 
 fail_hwmon:
-	i2c_unregister_device(efx->board_info.hwmon_client);
+	i2c_unregister_device(board->hwmon_client);
 	return rc;
 }
 
@@ -601,10 +605,12 @@ static void sfe4002_set_id_led(struct efx_nic *efx, enum efx_led_mode mode)
 
 static int sfe4002_check_hw(struct efx_nic *efx)
 {
+	struct falcon_board *board = falcon_board(efx);
+
 	/* A0 board rev. 4002s report a temperature fault the whole time
 	 * (bad sensor) so we mask it out. */
 	unsigned alarm_mask =
-		(efx->board_info.major == 0 && efx->board_info.minor == 0) ?
+		(board->major == 0 && board->minor == 0) ?
 		~LM87_ALARM_TEMP_EXT1 : ~0;
 
 	return efx_check_lm87(efx, alarm_mask);
@@ -612,13 +618,14 @@ static int sfe4002_check_hw(struct efx_nic *efx)
 
 static int sfe4002_init(struct efx_nic *efx)
 {
+	struct falcon_board *board = falcon_board(efx);
 	int rc = efx_init_lm87(efx, &sfe4002_hwmon_info, sfe4002_lm87_regs);
 	if (rc)
 		return rc;
-	efx->board_info.monitor = sfe4002_check_hw;
-	efx->board_info.init_phy = sfe4002_init_phy;
-	efx->board_info.set_id_led = sfe4002_set_id_led;
-	efx->board_info.fini = efx_fini_lm87;
+	board->monitor = sfe4002_check_hw;
+	board->init_phy = sfe4002_init_phy;
+	board->set_id_led = sfe4002_set_id_led;
+	board->fini = efx_fini_lm87;
 	return 0;
 }
 
@@ -683,13 +690,15 @@ static int sfn4112f_check_hw(struct efx_nic *efx)
 
 static int sfn4112f_init(struct efx_nic *efx)
 {
+	struct falcon_board *board = falcon_board(efx);
+
 	int rc = efx_init_lm87(efx, &sfn4112f_hwmon_info, sfn4112f_lm87_regs);
 	if (rc)
 		return rc;
-	efx->board_info.monitor = sfn4112f_check_hw;
-	efx->board_info.init_phy = sfn4112f_init_phy;
-	efx->board_info.set_id_led = sfn4112f_set_id_led;
-	efx->board_info.fini = efx_fini_lm87;
+	board->monitor = sfn4112f_check_hw;
+	board->init_phy = sfn4112f_init_phy;
+	board->set_id_led = sfn4112f_set_id_led;
+	board->fini = efx_fini_lm87;
 	return 0;
 }
 
@@ -714,24 +723,25 @@ static struct falcon_board_data board_data[] = {
 
 void falcon_probe_board(struct efx_nic *efx, u16 revision_info)
 {
+	struct falcon_board *board = falcon_board(efx);
 	struct falcon_board_data *data = NULL;
 	int i;
 
-	efx->board_info.type = FALCON_BOARD_TYPE(revision_info);
-	efx->board_info.major = FALCON_BOARD_MAJOR(revision_info);
-	efx->board_info.minor = FALCON_BOARD_MINOR(revision_info);
+	board->type = FALCON_BOARD_TYPE(revision_info);
+	board->major = FALCON_BOARD_MAJOR(revision_info);
+	board->minor = FALCON_BOARD_MINOR(revision_info);
 
 	for (i = 0; i < ARRAY_SIZE(board_data); i++)
-		if (board_data[i].type == efx->board_info.type)
+		if (board_data[i].type == board->type)
 			data = &board_data[i];
 
 	if (data) {
 		EFX_INFO(efx, "board is %s rev %c%d\n",
 			 (efx->pci_dev->subsystem_vendor == EFX_VENDID_SFC)
 			 ? data->ref_model : data->gen_type,
-			 'A' + efx->board_info.major, efx->board_info.minor);
-		efx->board_info.init = data->init;
+			 'A' + board->major, board->minor);
+		board->init = data->init;
 	} else {
-		EFX_ERR(efx, "unknown board type %d\n", efx->board_info.type);
+		EFX_ERR(efx, "unknown board type %d\n", board->type);
 	}
 }
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index e1df589dff6..9b84c3ae5ed 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -395,7 +395,7 @@ enum efx_led_mode {
 };
 
 /**
- * struct efx_board - board information
+ * struct falcon_board - board information
  * @type: Board model type
  * @major: Major rev. ('A', 'B' ...)
  * @minor: Minor rev. (0, 1, ...)
@@ -407,7 +407,7 @@ enum efx_led_mode {
  * @hwmon_client: I2C client for hardware monitor
  * @ioexp_client: I2C client for power/port control
  */
-struct efx_board {
+struct falcon_board {
 	int type;
 	int major;
 	int minor;
@@ -752,7 +752,7 @@ struct efx_nic {
 	unsigned int irq_rx_moderation;
 
 	struct i2c_adapter i2c_adap;
-	struct efx_board board_info;
+	struct falcon_board board_info;
 
 	enum nic_state state;
 	enum reset_type reset_pending;
diff --git a/drivers/net/sfc/qt202x_phy.c b/drivers/net/sfc/qt202x_phy.c
index f26684fc8ca..73bc5ad227f 100644
--- a/drivers/net/sfc/qt202x_phy.c
+++ b/drivers/net/sfc/qt202x_phy.c
@@ -126,7 +126,7 @@ static int qt202x_reset_phy(struct efx_nic *efx)
 	if (rc < 0)
 		goto fail;
 
-	efx->board_info.init_phy(efx);
+	falcon_board(efx)->init_phy(efx);
 
 	return rc;
 
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c
index 2923e3d1e02..cb5e0573c7f 100644
--- a/drivers/net/sfc/tenxpress.c
+++ b/drivers/net/sfc/tenxpress.c
@@ -303,7 +303,7 @@ static int tenxpress_phy_init(struct efx_nic *efx)
 	u16 old_adv, adv;
 	int rc = 0;
 
-	efx->board_info.init_phy(efx);
+	falcon_board(efx)->init_phy(efx);
 
 	phy_data = kzalloc(sizeof(*phy_data), GFP_KERNEL);
 	if (!phy_data)
-- 
GitLab


From 5c16a96c4f31a0be287c5db3f36d1099dea9b2bd Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Mon, 23 Nov 2009 16:05:28 +0000
Subject: [PATCH 1513/1815] sfc: Move definition of struct falcon_nic_data into
 falcon.h

This is preparation for moving Falcon-specific state required by other
Falcon-specific code.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/falcon.c | 11 -----------
 drivers/net/sfc/falcon.h | 11 +++++++++++
 2 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 29e79f77b73..490bda0d010 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -14,7 +14,6 @@
 #include <linux/module.h>
 #include <linux/seq_file.h>
 #include <linux/i2c.h>
-#include <linux/i2c-algo-bit.h>
 #include <linux/mii.h>
 #include "net_driver.h"
 #include "bitfield.h"
@@ -33,16 +32,6 @@
  * present in SFE400X evaluation boards
  */
 
-/**
- * struct falcon_nic_data - Falcon NIC state
- * @pci_dev2: The secondary PCI device if present
- * @i2c_data: Operations and state for I2C bit-bashing algorithm
- */
-struct falcon_nic_data {
-	struct pci_dev *pci_dev2;
-	struct i2c_algo_bit_data i2c_data;
-};
-
 /**************************************************************************
  *
  * Configurable values
diff --git a/drivers/net/sfc/falcon.h b/drivers/net/sfc/falcon.h
index 54dad2de22f..46dd43bbbfd 100644
--- a/drivers/net/sfc/falcon.h
+++ b/drivers/net/sfc/falcon.h
@@ -11,6 +11,7 @@
 #ifndef EFX_FALCON_H
 #define EFX_FALCON_H
 
+#include <linux/i2c-algo-bit.h>
 #include "net_driver.h"
 #include "efx.h"
 
@@ -29,6 +30,16 @@ static inline int falcon_rev(struct efx_nic *efx)
 	return efx->pci_dev->revision;
 }
 
+/**
+ * struct falcon_nic_data - Falcon NIC state
+ * @pci_dev2: The secondary PCI device if present
+ * @i2c_data: Operations and state for I2C bit-bashing algorithm
+ */
+struct falcon_nic_data {
+	struct pci_dev *pci_dev2;
+	struct i2c_algo_bit_data i2c_data;
+};
+
 static inline struct falcon_board *falcon_board(struct efx_nic *efx)
 {
 	return &efx->board_info;
-- 
GitLab


From 3759433db2f7340ddec3abd55ebb1178600d014e Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Mon, 23 Nov 2009 16:05:45 +0000
Subject: [PATCH 1514/1815] sfc: Move struct falcon_board into struct
 falcon_nic_data

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c           | 11 +----------
 drivers/net/sfc/falcon.h        | 30 +++++++++++++++++++++++++++++-
 drivers/net/sfc/falcon_boards.c |  9 +++++++++
 drivers/net/sfc/net_driver.h    | 27 ---------------------------
 4 files changed, 39 insertions(+), 38 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index c9f80042669..b91321126fe 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -1878,7 +1878,7 @@ static struct pci_device_id efx_pci_table[] __devinitdata = {
 
 /**************************************************************************
  *
- * Dummy PHY/MAC/Board operations
+ * Dummy PHY/MAC operations
  *
  * Can be used for some unimplemented operations
  * Needed so all function pointers are valid and do not have to be tested
@@ -1908,14 +1908,6 @@ static struct efx_phy_operations efx_dummy_phy_operations = {
 	.clear_interrupt = efx_port_dummy_op_void,
 };
 
-static struct falcon_board efx_dummy_board_info = {
-	.init		= efx_port_dummy_op_int,
-	.init_phy	= efx_port_dummy_op_void,
-	.set_id_led	= efx_port_dummy_op_set_id_led,
-	.monitor	= efx_port_dummy_op_int,
-	.fini		= efx_port_dummy_op_void,
-};
-
 /**************************************************************************
  *
  * Data housekeeping
@@ -1944,7 +1936,6 @@ static int efx_init_struct(struct efx_nic *efx, struct efx_nic_type *type,
 	efx->state = STATE_INIT;
 	efx->reset_pending = RESET_TYPE_NONE;
 	strlcpy(efx->name, pci_name(pci_dev), sizeof(efx->name));
-	efx->board_info = efx_dummy_board_info;
 
 	efx->net_dev = net_dev;
 	efx->rx_checksum_enabled = true;
diff --git a/drivers/net/sfc/falcon.h b/drivers/net/sfc/falcon.h
index 46dd43bbbfd..3e9696c12ca 100644
--- a/drivers/net/sfc/falcon.h
+++ b/drivers/net/sfc/falcon.h
@@ -30,19 +30,47 @@ static inline int falcon_rev(struct efx_nic *efx)
 	return efx->pci_dev->revision;
 }
 
+/**
+ * struct falcon_board - board information
+ * @type: Board model type
+ * @major: Major rev. ('A', 'B' ...)
+ * @minor: Minor rev. (0, 1, ...)
+ * @init: Allocate resources and initialise peripheral hardware
+ * @init_phy: Do board-specific PHY initialisation
+ * @set_id_led: Set state of identifying LED or revert to automatic function
+ * @monitor: Board-specific health check function
+ * @fini: Shut down hardware and free resources
+ * @hwmon_client: I2C client for hardware monitor
+ * @ioexp_client: I2C client for power/port control
+ */
+struct falcon_board {
+	int type;
+	int major;
+	int minor;
+	int (*init) (struct efx_nic *nic);
+	void (*init_phy) (struct efx_nic *efx);
+	void (*set_id_led) (struct efx_nic *efx, enum efx_led_mode mode);
+	int (*monitor) (struct efx_nic *nic);
+	void (*fini) (struct efx_nic *nic);
+	struct i2c_client *hwmon_client, *ioexp_client;
+};
+
 /**
  * struct falcon_nic_data - Falcon NIC state
  * @pci_dev2: The secondary PCI device if present
  * @i2c_data: Operations and state for I2C bit-bashing algorithm
+ * @board: Board state and functions
  */
 struct falcon_nic_data {
 	struct pci_dev *pci_dev2;
 	struct i2c_algo_bit_data i2c_data;
+	struct falcon_board board;
 };
 
 static inline struct falcon_board *falcon_board(struct efx_nic *efx)
 {
-	return &efx->board_info;
+	struct falcon_nic_data *data = efx->nic_data;
+	return &data->board;
 }
 
 extern struct efx_nic_type falcon_a_nic_type;
diff --git a/drivers/net/sfc/falcon_boards.c b/drivers/net/sfc/falcon_boards.c
index af7cd2a0b44..20aebe07fdf 100644
--- a/drivers/net/sfc/falcon_boards.c
+++ b/drivers/net/sfc/falcon_boards.c
@@ -721,12 +721,21 @@ static struct falcon_board_data board_data[] = {
 	  sfn4112f_init },
 };
 
+static struct falcon_board falcon_dummy_board = {
+	.init		= efx_port_dummy_op_int,
+	.init_phy	= efx_port_dummy_op_void,
+	.set_id_led	= efx_port_dummy_op_set_id_led,
+	.monitor	= efx_port_dummy_op_int,
+	.fini		= efx_port_dummy_op_void,
+};
+
 void falcon_probe_board(struct efx_nic *efx, u16 revision_info)
 {
 	struct falcon_board *board = falcon_board(efx);
 	struct falcon_board_data *data = NULL;
 	int i;
 
+	*board = falcon_dummy_board;
 	board->type = FALCON_BOARD_TYPE(revision_info);
 	board->major = FALCON_BOARD_MAJOR(revision_info);
 	board->minor = FALCON_BOARD_MINOR(revision_info);
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index 9b84c3ae5ed..fdc9e157e51 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -394,31 +394,6 @@ enum efx_led_mode {
 	EFX_LED_DEFAULT	= 2
 };
 
-/**
- * struct falcon_board - board information
- * @type: Board model type
- * @major: Major rev. ('A', 'B' ...)
- * @minor: Minor rev. (0, 1, ...)
- * @init: Allocate resources and initialise peripheral hardware
- * @init_phy: Do board-specific PHY initialisation
- * @set_id_led: Set state of identifying LED or revert to automatic function
- * @monitor: Board-specific health check function
- * @fini: Shut down hardware and free resources
- * @hwmon_client: I2C client for hardware monitor
- * @ioexp_client: I2C client for power/port control
- */
-struct falcon_board {
-	int type;
-	int major;
-	int minor;
-	int (*init) (struct efx_nic *nic);
-	void (*init_phy) (struct efx_nic *efx);
-	void (*set_id_led) (struct efx_nic *efx, enum efx_led_mode mode);
-	int (*monitor) (struct efx_nic *nic);
-	void (*fini) (struct efx_nic *nic);
-	struct i2c_client *hwmon_client, *ioexp_client;
-};
-
 #define STRING_TABLE_LOOKUP(val, member)	\
 	member ## _names[val]
 
@@ -665,7 +640,6 @@ union efx_multicast_hash {
  * @irq_rx_adaptive: Adaptive IRQ moderation enabled for RX event queues
  * @irq_rx_moderation: IRQ moderation time for RX event queues
  * @i2c_adap: I2C adapter
- * @board_info: Board-level information
  * @state: Device state flag. Serialised by the rtnl_lock.
  * @reset_pending: Pending reset method (normally RESET_TYPE_NONE)
  * @tx_queue: TX DMA queues
@@ -752,7 +726,6 @@ struct efx_nic {
 	unsigned int irq_rx_moderation;
 
 	struct i2c_adapter i2c_adap;
-	struct falcon_board board_info;
 
 	enum nic_state state;
 	enum reset_type reset_pending;
-- 
GitLab


From e775fb93a880d218ce0b3fd405278dd78f86c405 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Mon, 23 Nov 2009 16:06:02 +0000
Subject: [PATCH 1515/1815] sfc: Move all I2C stuff into struct falcon_board

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/falcon.c        | 26 +++++++++++++++-----------
 drivers/net/sfc/falcon.h        |  6 ++++--
 drivers/net/sfc/falcon_boards.c | 18 ++++++++++--------
 drivers/net/sfc/net_driver.h    |  3 ---
 4 files changed, 29 insertions(+), 24 deletions(-)

diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 490bda0d010..ff15b9dd361 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -2799,6 +2799,7 @@ static void falcon_probe_spi_devices(struct efx_nic *efx)
 int falcon_probe_nic(struct efx_nic *efx)
 {
 	struct falcon_nic_data *nic_data;
+	struct falcon_board *board;
 	int rc;
 
 	/* Allocate storage for hardware specific data */
@@ -2856,13 +2857,15 @@ int falcon_probe_nic(struct efx_nic *efx)
 		goto fail5;
 
 	/* Initialise I2C adapter */
-	efx->i2c_adap.owner = THIS_MODULE;
-	nic_data->i2c_data = falcon_i2c_bit_operations;
-	nic_data->i2c_data.data = efx;
-	efx->i2c_adap.algo_data = &nic_data->i2c_data;
-	efx->i2c_adap.dev.parent = &efx->pci_dev->dev;
-	strlcpy(efx->i2c_adap.name, "SFC4000 GPIO", sizeof(efx->i2c_adap.name));
-	rc = i2c_bit_add_bus(&efx->i2c_adap);
+	board = falcon_board(efx);
+	board->i2c_adap.owner = THIS_MODULE;
+	board->i2c_data = falcon_i2c_bit_operations;
+	board->i2c_data.data = efx;
+	board->i2c_adap.algo_data = &board->i2c_data;
+	board->i2c_adap.dev.parent = &efx->pci_dev->dev;
+	strlcpy(board->i2c_adap.name, "SFC4000 GPIO",
+		sizeof(board->i2c_adap.name));
+	rc = i2c_bit_add_bus(&board->i2c_adap);
 	if (rc)
 		goto fail5;
 
@@ -2875,8 +2878,8 @@ int falcon_probe_nic(struct efx_nic *efx)
 	return 0;
 
  fail6:
-	BUG_ON(i2c_del_adapter(&efx->i2c_adap));
-	memset(&efx->i2c_adap, 0, sizeof(efx->i2c_adap));
+	BUG_ON(i2c_del_adapter(&board->i2c_adap));
+	memset(&board->i2c_adap, 0, sizeof(board->i2c_adap));
  fail5:
 	falcon_remove_spi_devices(efx);
 	falcon_free_buffer(efx, &efx->irq_status);
@@ -3066,14 +3069,15 @@ int falcon_init_nic(struct efx_nic *efx)
 void falcon_remove_nic(struct efx_nic *efx)
 {
 	struct falcon_nic_data *nic_data = efx->nic_data;
+	struct falcon_board *board = falcon_board(efx);
 	int rc;
 
 	falcon_board(efx)->fini(efx);
 
 	/* Remove I2C adapter and clear it in preparation for a retry */
-	rc = i2c_del_adapter(&efx->i2c_adap);
+	rc = i2c_del_adapter(&board->i2c_adap);
 	BUG_ON(rc);
-	memset(&efx->i2c_adap, 0, sizeof(efx->i2c_adap));
+	memset(&board->i2c_adap, 0, sizeof(board->i2c_adap));
 
 	falcon_remove_spi_devices(efx);
 	falcon_free_buffer(efx, &efx->irq_status);
diff --git a/drivers/net/sfc/falcon.h b/drivers/net/sfc/falcon.h
index 3e9696c12ca..0da5ea7908b 100644
--- a/drivers/net/sfc/falcon.h
+++ b/drivers/net/sfc/falcon.h
@@ -40,6 +40,8 @@ static inline int falcon_rev(struct efx_nic *efx)
  * @set_id_led: Set state of identifying LED or revert to automatic function
  * @monitor: Board-specific health check function
  * @fini: Shut down hardware and free resources
+ * @i2c_adap: I2C adapter for on-board peripherals
+ * @i2c_data: Data for bit-banging algorithm
  * @hwmon_client: I2C client for hardware monitor
  * @ioexp_client: I2C client for power/port control
  */
@@ -52,18 +54,18 @@ struct falcon_board {
 	void (*set_id_led) (struct efx_nic *efx, enum efx_led_mode mode);
 	int (*monitor) (struct efx_nic *nic);
 	void (*fini) (struct efx_nic *nic);
+	struct i2c_adapter i2c_adap;
+	struct i2c_algo_bit_data i2c_data;
 	struct i2c_client *hwmon_client, *ioexp_client;
 };
 
 /**
  * struct falcon_nic_data - Falcon NIC state
  * @pci_dev2: The secondary PCI device if present
- * @i2c_data: Operations and state for I2C bit-bashing algorithm
  * @board: Board state and functions
  */
 struct falcon_nic_data {
 	struct pci_dev *pci_dev2;
-	struct i2c_algo_bit_data i2c_data;
 	struct falcon_board board;
 };
 
diff --git a/drivers/net/sfc/falcon_boards.c b/drivers/net/sfc/falcon_boards.c
index 20aebe07fdf..cdf7a0d6e38 100644
--- a/drivers/net/sfc/falcon_boards.c
+++ b/drivers/net/sfc/falcon_boards.c
@@ -51,7 +51,8 @@
 static int efx_init_lm87(struct efx_nic *efx, struct i2c_board_info *info,
 			 const u8 *reg_values)
 {
-	struct i2c_client *client = i2c_new_device(&efx->i2c_adap, info);
+	struct falcon_board *board = falcon_board(efx);
+	struct i2c_client *client = i2c_new_device(&board->i2c_adap, info);
 	int rc;
 
 	if (!client)
@@ -65,7 +66,7 @@ static int efx_init_lm87(struct efx_nic *efx, struct i2c_board_info *info,
 			goto err;
 	}
 
-	falcon_board(efx)->hwmon_client = client;
+	board->hwmon_client = client;
 	return 0;
 
 err:
@@ -290,10 +291,11 @@ fail_on:
 
 static int sfn4111t_reset(struct efx_nic *efx)
 {
+	struct falcon_board *board = falcon_board(efx);
 	efx_oword_t reg;
 
 	/* GPIO 3 and the GPIO register are shared with I2C, so block that */
-	i2c_lock_adapter(&efx->i2c_adap);
+	i2c_lock_adapter(&board->i2c_adap);
 
 	/* Pull RST_N (GPIO 2) low then let it up again, setting the
 	 * FLASH_CFG_1 strap (GPIO 3) appropriately.  Only change the
@@ -309,7 +311,7 @@ static int sfn4111t_reset(struct efx_nic *efx)
 	efx_writeo(efx, &reg, FR_AB_GPIO_CTL);
 	msleep(1);
 
-	i2c_unlock_adapter(&efx->i2c_adap);
+	i2c_unlock_adapter(&board->i2c_adap);
 
 	ssleep(1);
 	return 0;
@@ -416,10 +418,10 @@ static int sfe4001_init(struct efx_nic *efx)
 
 #if defined(CONFIG_SENSORS_LM90) || defined(CONFIG_SENSORS_LM90_MODULE)
 	board->hwmon_client =
-		i2c_new_device(&efx->i2c_adap, &sfe4001_hwmon_info);
+		i2c_new_device(&board->i2c_adap, &sfe4001_hwmon_info);
 #else
 	board->hwmon_client =
-		i2c_new_dummy(&efx->i2c_adap, sfe4001_hwmon_info.addr);
+		i2c_new_dummy(&board->i2c_adap, sfe4001_hwmon_info.addr);
 #endif
 	if (!board->hwmon_client)
 		return -EIO;
@@ -430,7 +432,7 @@ static int sfe4001_init(struct efx_nic *efx)
 	if (rc)
 		goto fail_hwmon;
 
-	board->ioexp_client = i2c_new_dummy(&efx->i2c_adap, PCA9539);
+	board->ioexp_client = i2c_new_dummy(&board->i2c_adap, PCA9539);
 	if (!board->ioexp_client) {
 		rc = -EIO;
 		goto fail_hwmon;
@@ -522,7 +524,7 @@ static int sfn4111t_init(struct efx_nic *efx)
 	int rc;
 
 	board->hwmon_client =
-		i2c_new_device(&efx->i2c_adap,
+		i2c_new_device(&board->i2c_adap,
 			       (board->minor < 5) ?
 			       &sfn4111t_a0_hwmon_info :
 			       &sfn4111t_r5_hwmon_info);
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index fdc9e157e51..55d45a77a10 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -639,7 +639,6 @@ union efx_multicast_hash {
  * @interrupt_mode: Interrupt mode
  * @irq_rx_adaptive: Adaptive IRQ moderation enabled for RX event queues
  * @irq_rx_moderation: IRQ moderation time for RX event queues
- * @i2c_adap: I2C adapter
  * @state: Device state flag. Serialised by the rtnl_lock.
  * @reset_pending: Pending reset method (normally RESET_TYPE_NONE)
  * @tx_queue: TX DMA queues
@@ -725,8 +724,6 @@ struct efx_nic {
 	bool irq_rx_adaptive;
 	unsigned int irq_rx_moderation;
 
-	struct i2c_adapter i2c_adap;
-
 	enum nic_state state;
 	enum reset_type reset_pending;
 
-- 
GitLab


From eb50c0d67fe3c5513c717c2dee6d9771c51be703 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Mon, 23 Nov 2009 16:06:30 +0000
Subject: [PATCH 1516/1815] sfc: Gather link state fields in struct efx_nic
 into new struct efx_link_state

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c           | 12 +++++++-----
 drivers/net/sfc/ethtool.c       |  4 ++--
 drivers/net/sfc/falcon.c        | 21 +++++++++++----------
 drivers/net/sfc/falcon_boards.c |  2 +-
 drivers/net/sfc/falcon_gmac.c   | 13 +++++++------
 drivers/net/sfc/falcon_xmac.c   |  8 ++++----
 drivers/net/sfc/net_driver.h    | 26 +++++++++++++++++---------
 drivers/net/sfc/qt202x_phy.c    | 11 ++++++-----
 drivers/net/sfc/selftest.c      |  2 +-
 drivers/net/sfc/tenxpress.c     | 22 ++++++++++++----------
 10 files changed, 68 insertions(+), 53 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index b91321126fe..ea31141b173 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -543,6 +543,8 @@ void efx_schedule_slow_fill(struct efx_rx_queue *rx_queue, int delay)
  */
 static void efx_link_status_changed(struct efx_nic *efx)
 {
+	struct efx_link_state *link_state = &efx->link_state;
+
 	/* SFC Bug 5356: A net_dev notifier is registered, so we must ensure
 	 * that no events are triggered between unregister_netdev() and the
 	 * driver unloading. A more general condition is that NETDEV_CHANGE
@@ -555,19 +557,19 @@ static void efx_link_status_changed(struct efx_nic *efx)
 		return;
 	}
 
-	if (efx->link_up != netif_carrier_ok(efx->net_dev)) {
+	if (link_state->up != netif_carrier_ok(efx->net_dev)) {
 		efx->n_link_state_changes++;
 
-		if (efx->link_up)
+		if (link_state->up)
 			netif_carrier_on(efx->net_dev);
 		else
 			netif_carrier_off(efx->net_dev);
 	}
 
 	/* Status message for kernel log */
-	if (efx->link_up) {
+	if (link_state->up) {
 		EFX_INFO(efx, "link up at %uMbps %s-duplex (MTU %d)%s\n",
-			 efx->link_speed, efx->link_fd ? "full" : "half",
+			 link_state->speed, link_state->fd ? "full" : "half",
 			 efx->net_dev->mtu,
 			 (efx->promiscuous ? " [PROMISC]" : ""));
 	} else {
@@ -758,7 +760,7 @@ static void efx_fini_port(struct efx_nic *efx)
 	efx->phy_op->fini(efx);
 	efx->port_initialized = false;
 
-	efx->link_up = false;
+	efx->link_state.up = false;
 	efx_link_status_changed(efx);
 }
 
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index bb415326c73..eb12f201ab0 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -539,7 +539,7 @@ static u32 efx_ethtool_get_link(struct net_device *net_dev)
 {
 	struct efx_nic *efx = netdev_priv(net_dev);
 
-	return efx->link_up;
+	return efx->link_state.up;
 }
 
 static int efx_ethtool_get_eeprom_len(struct net_device *net_dev)
@@ -699,7 +699,7 @@ static int efx_ethtool_set_pauseparam(struct net_device *net_dev,
 	if (EFX_WORKAROUND_11482(efx) && reset) {
 		if (falcon_rev(efx) >= FALCON_REV_B0) {
 			/* Recover by resetting the EM block */
-			if (efx->link_up)
+			if (efx->link_state.up)
 				falcon_drain_tx_fifo(efx);
 		} else {
 			/* Schedule a reset to recover */
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index ff15b9dd361..6eee4b796c4 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -1905,7 +1905,7 @@ static int falcon_reset_macs(struct efx_nic *efx)
 
 	/* If we've reset the EM block and the link is up, then
 	 * we'll have to kick the XAUI link so the PHY can recover */
-	if (efx->link_up && EFX_IS10G(efx) && EFX_WORKAROUND_5147(efx))
+	if (efx->link_state.up && EFX_IS10G(efx) && EFX_WORKAROUND_5147(efx))
 		falcon_reset_xaui(efx);
 
 	return 0;
@@ -1939,17 +1939,18 @@ void falcon_deconfigure_mac_wrapper(struct efx_nic *efx)
 	EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_INGR_EN, 0);
 	efx_writeo(efx, &reg, FR_AZ_RX_CFG);
 
-	if (!efx->link_up)
+	if (!efx->link_state.up)
 		falcon_drain_tx_fifo(efx);
 }
 
 void falcon_reconfigure_mac_wrapper(struct efx_nic *efx)
 {
+	struct efx_link_state *link_state = &efx->link_state;
 	efx_oword_t reg;
 	int link_speed;
 	bool tx_fc;
 
-	switch (efx->link_speed) {
+	switch (link_state->speed) {
 	case 10000: link_speed = 3; break;
 	case 1000:  link_speed = 2; break;
 	case 100:   link_speed = 1; break;
@@ -1969,7 +1970,7 @@ void falcon_reconfigure_mac_wrapper(struct efx_nic *efx)
 	 * discarded. */
 	if (falcon_rev(efx) >= FALCON_REV_B0) {
 		EFX_SET_OWORD_FIELD(reg, FRF_BB_TXFIFO_DRAIN_EN,
-				    !efx->link_up);
+				    !link_state->up);
 	}
 
 	efx_writeo(efx, &reg, FR_AB_MAC_CTRL);
@@ -1980,7 +1981,7 @@ void falcon_reconfigure_mac_wrapper(struct efx_nic *efx)
 	/* Transmission of pause frames when RX crosses the threshold is
 	 * covered by RX_XOFF_MAC_EN and XM_TX_CFG_REG:XM_FCNTL.
 	 * Action on receipt of pause frames is controller by XM_DIS_FCNTL */
-	tx_fc = !!(efx->link_fc & EFX_FC_TX);
+	tx_fc = !!(efx->link_state.fc & EFX_FC_TX);
 	efx_reado(efx, &reg, FR_AZ_RX_CFG);
 	EFX_SET_OWORD_FIELD(reg, FRF_AZ_RX_XOFF_MAC_EN, tx_fc);
 
@@ -2175,11 +2176,11 @@ int falcon_switch_mac(struct efx_nic *efx)
 
 	/* Internal loopbacks override the phy speed setting */
 	if (efx->loopback_mode == LOOPBACK_GMAC) {
-		efx->link_speed = 1000;
-		efx->link_fd = true;
+		efx->link_state.speed = 1000;
+		efx->link_state.fd = true;
 	} else if (LOOPBACK_INTERNAL(efx)) {
-		efx->link_speed = 10000;
-		efx->link_fd = true;
+		efx->link_state.speed = 10000;
+		efx->link_state.fd = true;
 	}
 
 	WARN_ON(!mutex_is_locked(&efx->mac_lock));
@@ -2752,7 +2753,7 @@ static int falcon_probe_nic_variant(struct efx_nic *efx)
 	}
 
 	/* Initial assumed speed */
-	efx->link_speed = EFX_OWORD_FIELD(nic_stat, FRF_AB_STRAP_10G) ? 10000 : 1000;
+	efx->link_state.speed = EFX_OWORD_FIELD(nic_stat, FRF_AB_STRAP_10G) ? 10000 : 1000;
 
 	return 0;
 }
diff --git a/drivers/net/sfc/falcon_boards.c b/drivers/net/sfc/falcon_boards.c
index cdf7a0d6e38..333ccc14e52 100644
--- a/drivers/net/sfc/falcon_boards.c
+++ b/drivers/net/sfc/falcon_boards.c
@@ -85,7 +85,7 @@ static int efx_check_lm87(struct efx_nic *efx, unsigned mask)
 	s32 alarms1, alarms2;
 
 	/* If link is up then do not monitor temperature */
-	if (EFX_WORKAROUND_7884(efx) && efx->link_up)
+	if (EFX_WORKAROUND_7884(efx) && efx->link_state.up)
 		return 0;
 
 	alarms1 = i2c_smbus_read_byte_data(client, LM87_REG_ALARMS1);
diff --git a/drivers/net/sfc/falcon_gmac.c b/drivers/net/sfc/falcon_gmac.c
index 8a1b80d1ff2..967f3fb397c 100644
--- a/drivers/net/sfc/falcon_gmac.c
+++ b/drivers/net/sfc/falcon_gmac.c
@@ -24,16 +24,17 @@
 
 static void falcon_reconfigure_gmac(struct efx_nic *efx)
 {
+	struct efx_link_state *link_state = &efx->link_state;
 	bool loopback, tx_fc, rx_fc, bytemode;
 	int if_mode;
 	unsigned int max_frame_len;
 	efx_oword_t reg;
 
 	/* Configuration register 1 */
-	tx_fc = (efx->link_fc & EFX_FC_TX) || !efx->link_fd;
-	rx_fc = !!(efx->link_fc & EFX_FC_RX);
+	tx_fc = (link_state->fc & EFX_FC_TX) || !link_state->fd;
+	rx_fc = !!(link_state->fc & EFX_FC_RX);
 	loopback = (efx->loopback_mode == LOOPBACK_GMAC);
-	bytemode = (efx->link_speed == 1000);
+	bytemode = (link_state->speed == 1000);
 
 	EFX_POPULATE_OWORD_5(reg,
 			     FRF_AB_GM_LOOP, loopback,
@@ -50,7 +51,7 @@ static void falcon_reconfigure_gmac(struct efx_nic *efx)
 			     FRF_AB_GM_IF_MODE, if_mode,
 			     FRF_AB_GM_PAD_CRC_EN, 1,
 			     FRF_AB_GM_LEN_CHK, 1,
-			     FRF_AB_GM_FD, efx->link_fd,
+			     FRF_AB_GM_FD, link_state->fd,
 			     FRF_AB_GM_PAMBL_LEN, 0x7/*datasheet recommended */);
 
 	efx_writeo(efx, &reg, FR_AB_GM_CFG2);
@@ -101,8 +102,8 @@ static void falcon_reconfigure_gmac(struct efx_nic *efx)
 	/* FIFO configuration register 5 */
 	efx_reado(efx, &reg, FR_AB_GMF_CFG5);
 	EFX_SET_OWORD_FIELD(reg, FRF_AB_GMF_CFGBYTMODE, bytemode);
-	EFX_SET_OWORD_FIELD(reg, FRF_AB_GMF_CFGHDPLX, !efx->link_fd);
-	EFX_SET_OWORD_FIELD(reg, FRF_AB_GMF_HSTDRPLT64, !efx->link_fd);
+	EFX_SET_OWORD_FIELD(reg, FRF_AB_GMF_CFGHDPLX, !link_state->fd);
+	EFX_SET_OWORD_FIELD(reg, FRF_AB_GMF_HSTDRPLT64, !link_state->fd);
 	EFX_SET_OWORD_FIELD(reg, FRF_AB_GMF_HSTFLTRFRMDC_PAUSE, 0);
 	efx_writeo(efx, &reg, FR_AB_GMF_CFG5);
 	udelay(10);
diff --git a/drivers/net/sfc/falcon_xmac.c b/drivers/net/sfc/falcon_xmac.c
index 7e57b4a54b3..69cb55fc615 100644
--- a/drivers/net/sfc/falcon_xmac.c
+++ b/drivers/net/sfc/falcon_xmac.c
@@ -89,7 +89,7 @@ static void falcon_mask_status_intr(struct efx_nic *efx, bool enable)
 		return;
 
 	/* We expect xgmii faults if the wireside link is up */
-	if (!EFX_WORKAROUND_5147(efx) || !efx->link_up)
+	if (!EFX_WORKAROUND_5147(efx) || !efx->link_state.up)
 		return;
 
 	/* We can only use this interrupt to signal the negative edge of
@@ -132,7 +132,7 @@ bool falcon_xaui_link_ok(struct efx_nic *efx)
 	efx_writeo(efx, &reg, FR_AB_XX_CORE_STAT);
 
 	/* If the link is up, then check the phy side of the xaui link */
-	if (efx->link_up && link_ok)
+	if (efx->link_state.up && link_ok)
 		if (efx->phy_op->mmds & (1 << MDIO_MMD_PHYXS))
 			link_ok = efx_mdio_phyxgxs_lane_sync(efx);
 
@@ -143,7 +143,7 @@ static void falcon_reconfigure_xmac_core(struct efx_nic *efx)
 {
 	unsigned int max_frame_len;
 	efx_oword_t reg;
-	bool rx_fc = !!(efx->link_fc & EFX_FC_RX);
+	bool rx_fc = !!(efx->link_state.fc & EFX_FC_RX);
 
 	/* Configure MAC  - cut-thru mode is hard wired on */
 	EFX_POPULATE_DWORD_3(reg,
@@ -356,7 +356,7 @@ static void falcon_xmac_irq(struct efx_nic *efx)
 
 static void falcon_poll_xmac(struct efx_nic *efx)
 {
-	if (!EFX_WORKAROUND_5147(efx) || !efx->link_up || efx->mac_up)
+	if (!EFX_WORKAROUND_5147(efx) || !efx->link_state.up || efx->mac_up)
 		return;
 
 	falcon_mask_status_intr(efx, false);
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index 55d45a77a10..f2df32423c9 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -419,7 +419,7 @@ enum phy_type {
 	PHY_TYPE_MAX	/* Insert any new items before this */
 };
 
-#define EFX_IS10G(efx) ((efx)->link_speed == 10000)
+#define EFX_IS10G(efx) ((efx)->link_state.speed == 10000)
 
 enum nic_state {
 	STATE_INIT = 0,
@@ -467,6 +467,20 @@ enum efx_mac_type {
 	EFX_XMAC = 2,
 };
 
+/**
+ * struct efx_link_state - Current state of the link
+ * @up: Link is up
+ * @fd: Link is full-duplex
+ * @fc: Actual flow control flags
+ * @speed: Link speed (Mbps)
+ */
+struct efx_link_state {
+	bool up;
+	bool fd;
+	enum efx_fc_type fc;
+	unsigned int speed;
+};
+
 /**
  * struct efx_mac_operations - Efx MAC operations table
  * @reconfigure: Reconfigure MAC. Serialised by the mac_lock
@@ -691,10 +705,7 @@ union efx_multicast_hash {
  * @mdio: PHY MDIO interface
  * @phy_mode: PHY operating mode. Serialised by @mac_lock.
  * @mac_up: MAC link state
- * @link_up: Link status
- * @link_fd: Link is full duplex
- * @link_fc: Actualy flow control flags
- * @link_speed: Link speed (Mbps)
+ * @link_state: Current state of the link
  * @n_link_state_changes: Number of times the link has changed state
  * @promiscuous: Promiscuous flag. Protected by netif_tx_lock.
  * @multicast_hash: Multicast hash table
@@ -780,10 +791,7 @@ struct efx_nic {
 	enum efx_phy_mode phy_mode;
 
 	bool mac_up;
-	bool link_up;
-	bool link_fd;
-	enum efx_fc_type link_fc;
-	unsigned int link_speed;
+	struct efx_link_state link_state;
 	unsigned int n_link_state_changes;
 
 	bool promiscuous;
diff --git a/drivers/net/sfc/qt202x_phy.c b/drivers/net/sfc/qt202x_phy.c
index 73bc5ad227f..8208ac0ffad 100644
--- a/drivers/net/sfc/qt202x_phy.c
+++ b/drivers/net/sfc/qt202x_phy.c
@@ -182,13 +182,14 @@ static void qt202x_phy_poll(struct efx_nic *efx)
 {
 	int link_up = qt202x_link_ok(efx);
 	/* Simulate a PHY event if link state has changed */
-	if (link_up != efx->link_up)
+	if (link_up != efx->link_state.up)
 		falcon_sim_phy_event(efx);
 }
 
 static void qt202x_phy_reconfigure(struct efx_nic *efx)
 {
 	struct qt202x_phy_data *phy_data = efx->phy_data;
+	struct efx_link_state *link_state = &efx->link_state;
 
 	if (efx->phy_type == PHY_TYPE_QT2025C) {
 		/* There are several different register bits which can
@@ -215,10 +216,10 @@ static void qt202x_phy_reconfigure(struct efx_nic *efx)
 	efx_mdio_phy_reconfigure(efx);
 
 	phy_data->phy_mode = efx->phy_mode;
-	efx->link_up = qt202x_link_ok(efx);
-	efx->link_speed = 10000;
-	efx->link_fd = true;
-	efx->link_fc = efx->wanted_fc;
+	link_state->up = qt202x_link_ok(efx);
+	link_state->speed = 10000;
+	link_state->fd = true;
+	link_state->fc = efx->wanted_fc;
 }
 
 static void qt202x_phy_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c
index 7a9386f97c4..70eb5f13557 100644
--- a/drivers/net/sfc/selftest.c
+++ b/drivers/net/sfc/selftest.c
@@ -614,7 +614,7 @@ static int efx_test_loopbacks(struct efx_nic *efx, struct efx_self_tests *tests,
 			/* We need both the phy and xaui links to be ok.
 			 * rather than relying on the falcon_xmac irq/poll
 			 * regime, just poll xaui directly */
-			link_up = efx->link_up;
+			link_up = efx->link_state.up;
 			if (link_up && EFX_IS10G(efx) &&
 			    !falcon_xaui_link_ok(efx))
 				link_up = false;
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c
index cb5e0573c7f..b001f38524f 100644
--- a/drivers/net/sfc/tenxpress.c
+++ b/drivers/net/sfc/tenxpress.c
@@ -503,6 +503,7 @@ static void tenxpress_low_power(struct efx_nic *efx)
 static void tenxpress_phy_reconfigure(struct efx_nic *efx)
 {
 	struct tenxpress_phy_data *phy_data = efx->phy_data;
+	struct efx_link_state *link_state = &efx->link_state;
 	struct ethtool_cmd ecmd;
 	bool phy_mode_change, loop_reset;
 
@@ -545,37 +546,38 @@ static void tenxpress_phy_reconfigure(struct efx_nic *efx)
 	phy_data->phy_mode = efx->phy_mode;
 
 	if (efx->phy_type == PHY_TYPE_SFX7101) {
-		efx->link_speed = 10000;
-		efx->link_fd = true;
-		efx->link_up = sfx7101_link_ok(efx);
+		link_state->speed = 10000;
+		link_state->fd = true;
+		link_state->up = sfx7101_link_ok(efx);
 	} else {
 		efx->phy_op->get_settings(efx, &ecmd);
-		efx->link_speed = ecmd.speed;
-		efx->link_fd = ecmd.duplex == DUPLEX_FULL;
-		efx->link_up = sft9001_link_ok(efx, &ecmd);
+		link_state->speed = ecmd.speed;
+		link_state->fd = ecmd.duplex == DUPLEX_FULL;
+		link_state->up = sft9001_link_ok(efx, &ecmd);
 	}
-	efx->link_fc = efx_mdio_get_pause(efx);
+	link_state->fc = efx_mdio_get_pause(efx);
 }
 
 /* Poll PHY for interrupt */
 static void tenxpress_phy_poll(struct efx_nic *efx)
 {
 	struct tenxpress_phy_data *phy_data = efx->phy_data;
+	struct efx_link_state *link_state = &efx->link_state;
 	bool change = false;
 
 	if (efx->phy_type == PHY_TYPE_SFX7101) {
 		bool link_ok = sfx7101_link_ok(efx);
-		if (link_ok != efx->link_up) {
+		if (link_ok != link_state->up) {
 			change = true;
 		} else {
 			unsigned int link_fc = efx_mdio_get_pause(efx);
-			if (link_fc != efx->link_fc)
+			if (link_fc != link_state->fc)
 				change = true;
 		}
 		sfx7101_check_bad_lp(efx, link_ok);
 	} else if (efx->loopback_mode) {
 		bool link_ok = sft9001_link_ok(efx, NULL);
-		if (link_ok != efx->link_up)
+		if (link_ok != link_state->up)
 			change = true;
 	} else {
 		int status = efx_mdio_read(efx, MDIO_MMD_PMAPMD,
-- 
GitLab


From 9bc183d7f90793e5e72f4dfd21a5877c6cd4da78 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Mon, 23 Nov 2009 16:06:47 +0000
Subject: [PATCH 1517/1815] sfc: Remove unnecessary casts to struct sk_buff *

At some point these casts were used to remove const qualification, but
they are now unneeded.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/tx.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/sfc/tx.c b/drivers/net/sfc/tx.c
index 303919a34df..e11632bd413 100644
--- a/drivers/net/sfc/tx.c
+++ b/drivers/net/sfc/tx.c
@@ -173,7 +173,7 @@ static netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue,
 
 	EFX_BUG_ON_PARANOID(tx_queue->write_count != tx_queue->insert_count);
 
-	if (skb_shinfo((struct sk_buff *)skb)->gso_size)
+	if (skb_shinfo(skb)->gso_size)
 		return efx_enqueue_skb_tso(tx_queue, skb);
 
 	/* Get size of the initial fragment */
@@ -287,7 +287,7 @@ static netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue,
 		   skb_shinfo(skb)->nr_frags + 1);
 
 	/* Mark the packet as transmitted, and free the SKB ourselves */
-	dev_kfree_skb_any((struct sk_buff *)skb);
+	dev_kfree_skb_any(skb);
 	goto unwind;
 
  stop:
@@ -1102,7 +1102,7 @@ static int efx_enqueue_skb_tso(struct efx_tx_queue *tx_queue,
 
  mem_err:
 	EFX_ERR(efx, "Out of memory for TSO headers, or PCI mapping error\n");
-	dev_kfree_skb_any((struct sk_buff *)skb);
+	dev_kfree_skb_any(skb);
 	goto unwind;
 
  stop:
-- 
GitLab


From 497f5ba3236425dbcf20b55452a013f1d3695ebb Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Mon, 23 Nov 2009 16:07:05 +0000
Subject: [PATCH 1518/1815] sfc: Remove redundant efx_xmit() function

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.h      |  5 ++---
 drivers/net/sfc/selftest.c |  2 +-
 drivers/net/sfc/tx.c       | 26 +++++---------------------
 3 files changed, 8 insertions(+), 25 deletions(-)

diff --git a/drivers/net/sfc/efx.h b/drivers/net/sfc/efx.h
index 6f463946516..9d83322e851 100644
--- a/drivers/net/sfc/efx.h
+++ b/drivers/net/sfc/efx.h
@@ -23,9 +23,8 @@
 #define EFX_MEM_BAR 2
 
 /* TX */
-extern netdev_tx_t efx_xmit(struct efx_nic *efx,
-				  struct efx_tx_queue *tx_queue,
-				  struct sk_buff *skb);
+extern netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue,
+				   struct sk_buff *skb);
 extern void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index);
 extern void efx_stop_queue(struct efx_nic *efx);
 extern void efx_wake_queue(struct efx_nic *efx);
diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c
index 70eb5f13557..eab8c2e5d5e 100644
--- a/drivers/net/sfc/selftest.c
+++ b/drivers/net/sfc/selftest.c
@@ -425,7 +425,7 @@ static int efx_begin_loopback(struct efx_tx_queue *tx_queue)
 
 		if (efx_dev_registered(efx))
 			netif_tx_lock_bh(efx->net_dev);
-		rc = efx_xmit(efx, tx_queue, skb);
+		rc = efx_enqueue_skb(tx_queue, skb);
 		if (efx_dev_registered(efx))
 			netif_tx_unlock_bh(efx->net_dev);
 
diff --git a/drivers/net/sfc/tx.c b/drivers/net/sfc/tx.c
index e11632bd413..a5e541dd8ce 100644
--- a/drivers/net/sfc/tx.c
+++ b/drivers/net/sfc/tx.c
@@ -152,11 +152,13 @@ efx_max_tx_len(struct efx_nic *efx, dma_addr_t dma_addr)
  * If any DMA mapping fails, any mapped fragments will be unmapped,
  * the queue's insert pointer will be restored to its original value.
  *
+ * This function is split out from efx_hard_start_xmit to allow the
+ * loopback test to direct packets via specific TX queues.
+ *
  * Returns NETDEV_TX_OK or NETDEV_TX_BUSY
  * You must hold netif_tx_lock() to call this function.
  */
-static netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue,
-					 struct sk_buff *skb)
+netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue, struct sk_buff *skb)
 {
 	struct efx_nic *efx = tx_queue->efx;
 	struct pci_dev *pci_dev = efx->pci_dev;
@@ -352,24 +354,6 @@ static void efx_dequeue_buffers(struct efx_tx_queue *tx_queue,
 	}
 }
 
-/* Initiate a packet transmission on the specified TX queue.
- * Note that returning anything other than NETDEV_TX_OK will cause the
- * OS to free the skb.
- *
- * This function is split out from efx_hard_start_xmit to allow the
- * loopback test to direct packets via specific TX queues.  It is
- * therefore a non-static inline, so as not to penalise performance
- * for non-loopback transmissions.
- *
- * Context: netif_tx_lock held
- */
-inline netdev_tx_t efx_xmit(struct efx_nic *efx,
-			   struct efx_tx_queue *tx_queue, struct sk_buff *skb)
-{
-	/* Map fragments for DMA and add to TX queue */
-	return efx_enqueue_skb(tx_queue, skb);
-}
-
 /* Initiate a packet transmission.  We use one channel per CPU
  * (sharing when we have more CPUs than channels).  On Falcon, the TX
  * completion events will be directed back to the CPU that transmitted
@@ -393,7 +377,7 @@ netdev_tx_t efx_hard_start_xmit(struct sk_buff *skb,
 	else
 		tx_queue = &efx->tx_queue[EFX_TX_QUEUE_NO_CSUM];
 
-	return efx_xmit(efx, tx_queue, skb);
+	return efx_enqueue_skb(tx_queue, skb);
 }
 
 void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index)
-- 
GitLab


From f5e7adc3d4aa8edab63bb63f0ce5fe92c3dd7604 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Mon, 23 Nov 2009 16:07:30 +0000
Subject: [PATCH 1519/1815] sfc: Combine high-level header files

All files that include ethtool.h, rx.h or tx.h are also including
efx.h, and there is no good reason to separate out the few
declarations they contain.  Therefore fold them into efx.h.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c      |  3 ---
 drivers/net/sfc/efx.h      | 27 +++++++++++++++++++++++++--
 drivers/net/sfc/ethtool.c  |  1 -
 drivers/net/sfc/ethtool.h  | 27 ---------------------------
 drivers/net/sfc/rx.c       |  1 -
 drivers/net/sfc/rx.h       | 26 --------------------------
 drivers/net/sfc/selftest.c |  1 -
 drivers/net/sfc/tx.c       |  1 -
 drivers/net/sfc/tx.h       | 25 -------------------------
 9 files changed, 25 insertions(+), 87 deletions(-)
 delete mode 100644 drivers/net/sfc/ethtool.h
 delete mode 100644 drivers/net/sfc/rx.h
 delete mode 100644 drivers/net/sfc/tx.h

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index ea31141b173..cb789953265 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -21,9 +21,6 @@
 #include <linux/ethtool.h>
 #include <linux/topology.h>
 #include "net_driver.h"
-#include "ethtool.h"
-#include "tx.h"
-#include "rx.h"
 #include "efx.h"
 #include "mdio_10g.h"
 #include "falcon.h"
diff --git a/drivers/net/sfc/efx.h b/drivers/net/sfc/efx.h
index 9d83322e851..3497b036f40 100644
--- a/drivers/net/sfc/efx.h
+++ b/drivers/net/sfc/efx.h
@@ -23,8 +23,15 @@
 #define EFX_MEM_BAR 2
 
 /* TX */
-extern netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue,
-				   struct sk_buff *skb);
+extern int efx_probe_tx_queue(struct efx_tx_queue *tx_queue);
+extern void efx_remove_tx_queue(struct efx_tx_queue *tx_queue);
+extern void efx_init_tx_queue(struct efx_tx_queue *tx_queue);
+extern void efx_fini_tx_queue(struct efx_tx_queue *tx_queue);
+extern void efx_release_tx_buffers(struct efx_tx_queue *tx_queue);
+extern netdev_tx_t
+efx_hard_start_xmit(struct sk_buff *skb, struct net_device *net_dev);
+extern netdev_tx_t
+efx_enqueue_skb(struct efx_tx_queue *tx_queue, struct sk_buff *skb);
 extern void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index);
 extern void efx_stop_queue(struct efx_nic *efx);
 extern void efx_wake_queue(struct efx_nic *efx);
@@ -32,6 +39,15 @@ extern void efx_wake_queue(struct efx_nic *efx);
 #define EFX_TXQ_MASK (EFX_TXQ_SIZE - 1)
 
 /* RX */
+extern int efx_probe_rx_queue(struct efx_rx_queue *rx_queue);
+extern void efx_remove_rx_queue(struct efx_rx_queue *rx_queue);
+extern void efx_init_rx_queue(struct efx_rx_queue *rx_queue);
+extern void efx_fini_rx_queue(struct efx_rx_queue *rx_queue);
+extern void efx_rx_strategy(struct efx_channel *channel);
+extern void efx_fast_push_rx_descriptors(struct efx_rx_queue *rx_queue);
+extern void efx_rx_work(struct work_struct *data);
+extern void __efx_rx_packet(struct efx_channel *channel,
+			    struct efx_rx_buffer *rx_buf, bool checksummed);
 extern void efx_rx_packet(struct efx_rx_queue *rx_queue, unsigned int index,
 			  unsigned int len, bool checksummed, bool discard);
 extern void efx_schedule_slow_fill(struct efx_rx_queue *rx_queue, int delay);
@@ -50,6 +66,13 @@ extern void efx_stats_enable(struct efx_nic *efx);
 extern void efx_reconfigure_port(struct efx_nic *efx);
 extern void __efx_reconfigure_port(struct efx_nic *efx);
 
+/* Ethtool support */
+extern int efx_ethtool_get_settings(struct net_device *net_dev,
+				    struct ethtool_cmd *ecmd);
+extern int efx_ethtool_set_settings(struct net_device *net_dev,
+				    struct ethtool_cmd *ecmd);
+extern const struct ethtool_ops efx_ethtool_ops;
+
 /* Reset handling */
 extern void efx_reset_down(struct efx_nic *efx, enum reset_type method,
 			   struct ethtool_cmd *ecmd);
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index eb12f201ab0..e8afd784e6b 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -16,7 +16,6 @@
 #include "workarounds.h"
 #include "selftest.h"
 #include "efx.h"
-#include "ethtool.h"
 #include "falcon.h"
 #include "spi.h"
 #include "mdio_10g.h"
diff --git a/drivers/net/sfc/ethtool.h b/drivers/net/sfc/ethtool.h
deleted file mode 100644
index 295ead40335..00000000000
--- a/drivers/net/sfc/ethtool.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/****************************************************************************
- * Driver for Solarflare Solarstorm network controllers and boards
- * Copyright 2005 Fen Systems Ltd.
- * Copyright 2006 Solarflare Communications Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation, incorporated herein by reference.
- */
-
-#ifndef EFX_ETHTOOL_H
-#define EFX_ETHTOOL_H
-
-#include "net_driver.h"
-
-/*
- * Ethtool support
- */
-
-extern int efx_ethtool_get_settings(struct net_device *net_dev,
-				    struct ethtool_cmd *ecmd);
-extern int efx_ethtool_set_settings(struct net_device *net_dev,
-				    struct ethtool_cmd *ecmd);
-
-extern const struct ethtool_ops efx_ethtool_ops;
-
-#endif /* EFX_ETHTOOL_H */
diff --git a/drivers/net/sfc/rx.c b/drivers/net/sfc/rx.c
index 9f22d15d3d5..accf055ff89 100644
--- a/drivers/net/sfc/rx.c
+++ b/drivers/net/sfc/rx.c
@@ -16,7 +16,6 @@
 #include <net/ip.h>
 #include <net/checksum.h>
 #include "net_driver.h"
-#include "rx.h"
 #include "efx.h"
 #include "falcon.h"
 #include "selftest.h"
diff --git a/drivers/net/sfc/rx.h b/drivers/net/sfc/rx.h
deleted file mode 100644
index 42ee7555a80..00000000000
--- a/drivers/net/sfc/rx.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/****************************************************************************
- * Driver for Solarflare Solarstorm network controllers and boards
- * Copyright 2006 Solarflare Communications Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation, incorporated herein by reference.
- */
-
-#ifndef EFX_RX_H
-#define EFX_RX_H
-
-#include "net_driver.h"
-
-int efx_probe_rx_queue(struct efx_rx_queue *rx_queue);
-void efx_remove_rx_queue(struct efx_rx_queue *rx_queue);
-void efx_init_rx_queue(struct efx_rx_queue *rx_queue);
-void efx_fini_rx_queue(struct efx_rx_queue *rx_queue);
-
-void efx_rx_strategy(struct efx_channel *channel);
-void efx_fast_push_rx_descriptors(struct efx_rx_queue *rx_queue);
-void efx_rx_work(struct work_struct *data);
-void __efx_rx_packet(struct efx_channel *channel,
-		     struct efx_rx_buffer *rx_buf, bool checksummed);
-
-#endif /* EFX_RX_H */
diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c
index eab8c2e5d5e..afac1cc6bd2 100644
--- a/drivers/net/sfc/selftest.c
+++ b/drivers/net/sfc/selftest.c
@@ -20,7 +20,6 @@
 #include <linux/rtnetlink.h>
 #include <asm/io.h>
 #include "net_driver.h"
-#include "ethtool.h"
 #include "efx.h"
 #include "falcon.h"
 #include "selftest.h"
diff --git a/drivers/net/sfc/tx.c b/drivers/net/sfc/tx.c
index a5e541dd8ce..c54fa30e627 100644
--- a/drivers/net/sfc/tx.c
+++ b/drivers/net/sfc/tx.c
@@ -15,7 +15,6 @@
 #include <linux/if_ether.h>
 #include <linux/highmem.h>
 #include "net_driver.h"
-#include "tx.h"
 #include "efx.h"
 #include "falcon.h"
 #include "workarounds.h"
diff --git a/drivers/net/sfc/tx.h b/drivers/net/sfc/tx.h
deleted file mode 100644
index e3678962a5b..00000000000
--- a/drivers/net/sfc/tx.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/****************************************************************************
- * Driver for Solarflare Solarstorm network controllers and boards
- * Copyright 2006 Fen Systems Ltd.
- * Copyright 2006-2008 Solarflare Communications Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation, incorporated herein by reference.
- */
-
-#ifndef EFX_TX_H
-#define EFX_TX_H
-
-#include "net_driver.h"
-
-int efx_probe_tx_queue(struct efx_tx_queue *tx_queue);
-void efx_remove_tx_queue(struct efx_tx_queue *tx_queue);
-void efx_init_tx_queue(struct efx_tx_queue *tx_queue);
-void efx_fini_tx_queue(struct efx_tx_queue *tx_queue);
-
-netdev_tx_t efx_hard_start_xmit(struct sk_buff *skb,
-				      struct net_device *net_dev);
-void efx_release_tx_buffers(struct efx_tx_queue *tx_queue);
-
-#endif /* EFX_TX_H */
-- 
GitLab


From c459302db655c1a7fd05fd4266b18990854e8386 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Mon, 23 Nov 2009 16:08:17 +0000
Subject: [PATCH 1520/1815] sfc: Log interrupt and reset type names, not
 numbers

Define name tables for these enumerations in a similar way as for
loopback.  Move the loopback name table together with them.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c        | 51 +++++++++++++++++++++++++++++++++---
 drivers/net/sfc/enum.h       |  6 -----
 drivers/net/sfc/ethtool.c    | 15 +----------
 drivers/net/sfc/falcon.c     |  2 +-
 drivers/net/sfc/net_driver.h | 19 ++++++++++++--
 drivers/net/sfc/selftest.c   |  4 +--
 6 files changed, 69 insertions(+), 28 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index cb789953265..4787faaf30c 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -25,6 +25,50 @@
 #include "mdio_10g.h"
 #include "falcon.h"
 
+/**************************************************************************
+ *
+ * Type name strings
+ *
+ **************************************************************************
+ */
+
+/* Loopback mode names (see LOOPBACK_MODE()) */
+const unsigned int efx_loopback_mode_max = LOOPBACK_MAX;
+const char *efx_loopback_mode_names[] = {
+	[LOOPBACK_NONE]		= "NONE",
+	[LOOPBACK_GMAC]		= "GMAC",
+	[LOOPBACK_XGMII]	= "XGMII",
+	[LOOPBACK_XGXS]		= "XGXS",
+	[LOOPBACK_XAUI]  	= "XAUI",
+	[LOOPBACK_GPHY]		= "GPHY",
+	[LOOPBACK_PHYXS]	= "PHYXS",
+	[LOOPBACK_PCS]	 	= "PCS",
+	[LOOPBACK_PMAPMD] 	= "PMA/PMD",
+	[LOOPBACK_NETWORK]	= "NETWORK",
+};
+
+/* Interrupt mode names (see INT_MODE())) */
+const unsigned int efx_interrupt_mode_max = EFX_INT_MODE_MAX;
+const char *efx_interrupt_mode_names[] = {
+	[EFX_INT_MODE_MSIX]   = "MSI-X",
+	[EFX_INT_MODE_MSI]    = "MSI",
+	[EFX_INT_MODE_LEGACY] = "legacy",
+};
+
+const unsigned int efx_reset_type_max = RESET_TYPE_MAX;
+const char *efx_reset_type_names[] = {
+	[RESET_TYPE_INVISIBLE]     = "INVISIBLE",
+	[RESET_TYPE_ALL]           = "ALL",
+	[RESET_TYPE_WORLD]         = "WORLD",
+	[RESET_TYPE_DISABLE]       = "DISABLE",
+	[RESET_TYPE_TX_WATCHDOG]   = "TX_WATCHDOG",
+	[RESET_TYPE_INT_ERROR]     = "INT_ERROR",
+	[RESET_TYPE_RX_RECOVERY]   = "RX_RECOVERY",
+	[RESET_TYPE_RX_DESC_FETCH] = "RX_DESC_FETCH",
+	[RESET_TYPE_TX_DESC_FETCH] = "TX_DESC_FETCH",
+	[RESET_TYPE_TX_SKIP]       = "TX_SKIP",
+};
+
 #define EFX_MAX_MTU (9 * 1024)
 
 /* RX slow fill workqueue. If memory allocation fails in the fast path,
@@ -1772,7 +1816,7 @@ static int efx_reset(struct efx_nic *efx)
 		goto out_unlock;
 	}
 
-	EFX_INFO(efx, "resetting (%d)\n", method);
+	EFX_INFO(efx, "resetting (%s)\n", RESET_TYPE(method));
 
 	efx_reset_down(efx, method, &ecmd);
 
@@ -1851,9 +1895,10 @@ void efx_schedule_reset(struct efx_nic *efx, enum reset_type type)
 	}
 
 	if (method != type)
-		EFX_LOG(efx, "scheduling reset (%d:%d)\n", type, method);
+		EFX_LOG(efx, "scheduling %s reset for %s\n",
+			RESET_TYPE(method), RESET_TYPE(type));
 	else
-		EFX_LOG(efx, "scheduling reset (%d)\n", method);
+		EFX_LOG(efx, "scheduling %s reset\n", RESET_TYPE(method));
 
 	efx->reset_pending = method;
 
diff --git a/drivers/net/sfc/enum.h b/drivers/net/sfc/enum.h
index 60cbc6e1e66..fcd14b73f24 100644
--- a/drivers/net/sfc/enum.h
+++ b/drivers/net/sfc/enum.h
@@ -40,12 +40,6 @@ enum efx_loopback_mode {
 
 #define LOOPBACK_TEST_MAX LOOPBACK_PMAPMD
 
-extern const char *efx_loopback_mode_names[];
-#define LOOPBACK_MODE_NAME(mode)			\
-	STRING_TABLE_LOOKUP(mode, efx_loopback_mode)
-#define LOOPBACK_MODE(efx)				\
-	LOOPBACK_MODE_NAME(efx->loopback_mode)
-
 /* These loopbacks occur within the controller */
 #define LOOPBACKS_INTERNAL ((1 << LOOPBACK_GMAC) |     \
 			    (1 << LOOPBACK_XGMII)|     \
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index e8afd784e6b..d8915b95e65 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -20,19 +20,6 @@
 #include "spi.h"
 #include "mdio_10g.h"
 
-const char *efx_loopback_mode_names[] = {
-	[LOOPBACK_NONE]		= "NONE",
-	[LOOPBACK_GMAC]		= "GMAC",
-	[LOOPBACK_XGMII]	= "XGMII",
-	[LOOPBACK_XGXS]		= "XGXS",
-	[LOOPBACK_XAUI] 	= "XAUI",
-	[LOOPBACK_GPHY]		= "GPHY",
-	[LOOPBACK_PHYXS]	= "PHYXS",
-	[LOOPBACK_PCS]	 	= "PCS",
-	[LOOPBACK_PMAPMD]	= "PMA/PMD",
-	[LOOPBACK_NETWORK]	= "NETWORK",
-};
-
 struct ethtool_string {
 	char name[ETH_GSTRING_LEN];
 };
@@ -290,7 +277,7 @@ static void efx_fill_test(unsigned int test_index,
 #define EFX_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->queue
 #define EFX_RX_QUEUE_NAME(_rx_queue) "rxq%d", _rx_queue->queue
 #define EFX_LOOPBACK_NAME(_mode, _counter)			\
-	"loopback.%s." _counter, LOOPBACK_MODE_NAME(mode)
+	"loopback.%s." _counter, STRING_TABLE_LOOKUP(_mode, efx_loopback_mode)
 
 /**
  * efx_fill_loopback_test - fill in a block of loopback self-test entries
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 6eee4b796c4..41a321b0e8c 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -2485,7 +2485,7 @@ int falcon_reset_hw(struct efx_nic *efx, enum reset_type method)
 	efx_oword_t glb_ctl_reg_ker;
 	int rc;
 
-	EFX_LOG(efx, "performing hardware reset (%d)\n", method);
+	EFX_LOG(efx, "performing %s hardware reset\n", RESET_TYPE(method));
 
 	/* Initiate device reset */
 	if (method == RESET_TYPE_WORLD) {
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index f2df32423c9..ac808d5f24a 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -394,8 +394,23 @@ enum efx_led_mode {
 	EFX_LED_DEFAULT	= 2
 };
 
-#define STRING_TABLE_LOOKUP(val, member)	\
-	member ## _names[val]
+#define STRING_TABLE_LOOKUP(val, member) \
+	((val) < member ## _max) ? member ## _names[val] : "(invalid)"
+
+extern const char *efx_loopback_mode_names[];
+extern const unsigned int efx_loopback_mode_max;
+#define LOOPBACK_MODE(efx) \
+	STRING_TABLE_LOOKUP((efx)->loopback_mode, efx_loopback_mode)
+
+extern const char *efx_interrupt_mode_names[];
+extern const unsigned int efx_interrupt_mode_max;
+#define INT_MODE(efx) \
+	STRING_TABLE_LOOKUP(efx->interrupt_mode, efx_interrupt_mode)
+
+extern const char *efx_reset_type_names[];
+extern const unsigned int efx_reset_type_max;
+#define RESET_TYPE(type) \
+	STRING_TABLE_LOOKUP(type, efx_reset_type)
 
 enum efx_int_mode {
 	/* Be careful if altering to correct macro below */
diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c
index afac1cc6bd2..63ff295334e 100644
--- a/drivers/net/sfc/selftest.c
+++ b/drivers/net/sfc/selftest.c
@@ -175,8 +175,8 @@ static int efx_test_interrupts(struct efx_nic *efx,
 	return -ETIMEDOUT;
 
  success:
-	EFX_LOG(efx, "test interrupt (mode %d) seen on CPU%d\n",
-		efx->interrupt_mode, efx->last_irq_cpu);
+	EFX_LOG(efx, "%s test interrupt seen on CPU%d\n", INT_MODE(efx),
+		efx->last_irq_cpu);
 	tests->interrupt = 1;
 	return 0;
 }
-- 
GitLab


From 35700212b45ea9f98fa682cfc1bc1a67c9ccc34b Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Tue, 24 Nov 2009 14:52:52 -0800
Subject: [PATCH 1521/1815] net/ipv6: Move && and || to end of previous line

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/ip6_flowlabel.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c
index 7712578bdc6..593a67e8d3f 100644
--- a/net/ipv6/ip6_flowlabel.c
+++ b/net/ipv6/ip6_flowlabel.c
@@ -377,8 +377,8 @@ fl_create(struct net *net, struct in6_flowlabel_req *freq, char __user *optval,
 		goto done;
 	fl->share = freq->flr_share;
 	addr_type = ipv6_addr_type(&freq->flr_dst);
-	if ((addr_type&IPV6_ADDR_MAPPED)
-	    || addr_type == IPV6_ADDR_ANY) {
+	if ((addr_type & IPV6_ADDR_MAPPED) ||
+	    addr_type == IPV6_ADDR_ANY) {
 		err = -EINVAL;
 		goto done;
 	}
@@ -421,8 +421,8 @@ static int mem_check(struct sock *sk)
 
 	if (room <= 0 ||
 	    ((count >= FL_MAX_PER_SOCK ||
-	     (count > 0 && room < FL_MAX_SIZE/2) || room < FL_MAX_SIZE/4)
-	     && !capable(CAP_NET_ADMIN)))
+	      (count > 0 && room < FL_MAX_SIZE/2) || room < FL_MAX_SIZE/4) &&
+	     !capable(CAP_NET_ADMIN)))
 		return -ENOBUFS;
 
 	return 0;
-- 
GitLab


From efe117ab8114f47f317b4803e5bc0104420bcba2 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 5 Nov 2009 11:06:40 +0100
Subject: [PATCH 1522/1815] mac80211: Speedup ieee80211_remove_interfaces()

Speedup ieee80211_remove_interfaces() by factorizing synchronize_rcu() calls

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/iface.c | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 1bf12a26b45..80c16f6e2af 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -860,22 +860,18 @@ void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata)
 void ieee80211_remove_interfaces(struct ieee80211_local *local)
 {
 	struct ieee80211_sub_if_data *sdata, *tmp;
+	LIST_HEAD(unreg_list);
 
 	ASSERT_RTNL();
 
+	mutex_lock(&local->iflist_mtx);
 	list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) {
-		/*
-		 * we cannot hold the iflist_mtx across unregister_netdevice,
-		 * but we only need to hold it for list modifications to lock
-		 * out readers since we're under the RTNL here as all other
-		 * writers.
-		 */
-		mutex_lock(&local->iflist_mtx);
 		list_del(&sdata->list);
-		mutex_unlock(&local->iflist_mtx);
 
-		unregister_netdevice(sdata->dev);
+		unregister_netdevice_queue(sdata->dev, &unreg_list);
 	}
+	mutex_unlock(&local->iflist_mtx);
+	unregister_netdevice_many(&unreg_list);
 }
 
 static u32 ieee80211_idle_off(struct ieee80211_local *local,
-- 
GitLab


From 04658fba2314d6d70d5fa05c0b5995e6428aacc3 Mon Sep 17 00:00:00 2001
From: "John W. Linville" <linville@tuxdriver.com>
Date: Fri, 13 Nov 2009 13:12:59 -0500
Subject: [PATCH 1523/1815] ath9k: remove warnings related to signed/unsigned
 type mismatch

CC [M]  drivers/net/wireless/ath/ath9k/recv.o
drivers/net/wireless/ath/ath9k/recv.c: In function `ath_rx_prepare':
drivers/net/wireless/ath/ath9k/recv.c:208: warning: comparison is always true due to limited range of data type
drivers/net/wireless/ath/ath9k/recv.c:220: warning: comparison is always false due to limited range of data type

Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/common.c | 2 --
 drivers/net/wireless/ath/ath9k/hw.h     | 2 +-
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/common.c b/drivers/net/wireless/ath/ath9k/common.c
index 4a13632e3e4..d96751ccee9 100644
--- a/drivers/net/wireless/ath/ath9k/common.c
+++ b/drivers/net/wireless/ath/ath9k/common.c
@@ -181,8 +181,6 @@ static void ath9k_process_rssi(struct ath_common *common,
 					      ATH_RSSI_EP_MULTIPLIER);
 	if (rx_stats->rs_rssi < 0)
 		rx_stats->rs_rssi = 0;
-	else if (rx_stats->rs_rssi > 127)
-		rx_stats->rs_rssi = 127;
 
 	/* Update Beacon RSSI, this is used by ANI. */
 	if (ieee80211_is_beacon(fc))
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index f8f5e997162..a22ed766b6a 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -60,7 +60,7 @@
 
 #define	ATH_DEFAULT_NOISE_FLOOR -95
 
-#define ATH9K_RSSI_BAD			0x80
+#define ATH9K_RSSI_BAD			-128
 
 /* Register read/write primitives */
 #define REG_WRITE(_ah, _reg, _val) \
-- 
GitLab


From 09ad9bc752519cc167d0a573e1acf69b5c707c67 Mon Sep 17 00:00:00 2001
From: Octavian Purdila <opurdila@ixiacom.com>
Date: Wed, 25 Nov 2009 15:14:13 -0800
Subject: [PATCH 1524/1815] net: use net_eq to compare nets

Generated with the following semantic patch

@@
struct net *n1;
struct net *n2;
@@
- n1 == n2
+ net_eq(n1, n2)

@@
struct net *n1;
struct net *n2;
@@
- n1 != n2
+ !net_eq(n1, n2)

applied over {include,net,drivers/net}.

Signed-off-by: Octavian Purdila <opurdila@ixiacom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/hamradio/bpqether.c |  4 ++--
 drivers/net/loopback.c          |  2 +-
 drivers/net/wan/hdlc.c          |  4 ++--
 net/appletalk/ddp.c             |  2 +-
 net/atm/svc.c                   |  2 +-
 net/ax25/af_ax25.c              |  2 +-
 net/can/af_can.c                |  2 +-
 net/core/dev.c                  |  4 ++--
 net/core/neighbour.c            |  2 +-
 net/core/net-sysfs.c            |  4 ++--
 net/core/net_namespace.c        |  2 +-
 net/core/sysctl_net_core.c      |  2 +-
 net/dcb/dcbnl.c                 |  2 +-
 net/decnet/af_decnet.c          |  2 +-
 net/decnet/dn_dev.c             |  6 +++---
 net/decnet/dn_fib.c             |  4 ++--
 net/decnet/dn_route.c           |  4 ++--
 net/decnet/dn_table.c           |  2 +-
 net/econet/af_econet.c          |  2 +-
 net/ieee802154/af_ieee802154.c  |  2 +-
 net/ipv4/devinet.c              |  2 +-
 net/ipv4/fib_semantics.c        |  4 ++--
 net/ipv4/inet_connection_sock.c |  4 ++--
 net/ipv4/inet_hashtables.c      |  3 ++-
 net/ipv4/ip_fragment.c          |  4 ++--
 net/ipv4/ip_input.c             |  2 +-
 net/ipv4/netfilter/ip_queue.c   |  2 +-
 net/ipv4/route.c                |  4 ++--
 net/ipv4/sysctl_net_ipv4.c      |  4 ++--
 net/ipv6/addrconf.c             |  4 ++--
 net/ipv6/ip6_flowlabel.c        |  9 +++++----
 net/ipv6/netfilter/ip6_queue.c  |  2 +-
 net/ipv6/reassembly.c           |  4 ++--
 net/ipx/af_ipx.c                |  2 +-
 net/llc/af_llc.c                |  2 +-
 net/netfilter/nfnetlink_log.c   |  2 +-
 net/netlink/af_netlink.c        |  2 +-
 net/netrom/af_netrom.c          |  2 +-
 net/packet/af_packet.c          |  6 +++---
 net/rose/af_rose.c              |  2 +-
 net/rxrpc/af_rxrpc.c            |  2 +-
 net/sched/act_api.c             |  4 ++--
 net/sched/cls_api.c             |  4 ++--
 net/sched/sch_api.c             | 10 +++++-----
 net/tipc/socket.c               |  2 +-
 net/x25/af_x25.c                |  2 +-
 46 files changed, 74 insertions(+), 72 deletions(-)

diff --git a/drivers/net/hamradio/bpqether.c b/drivers/net/hamradio/bpqether.c
index fe893c91a01..76abed9a70b 100644
--- a/drivers/net/hamradio/bpqether.c
+++ b/drivers/net/hamradio/bpqether.c
@@ -186,7 +186,7 @@ static int bpq_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_ty
 	struct ethhdr *eth;
 	struct bpqdev *bpq;
 
-	if (dev_net(dev) != &init_net)
+	if (!net_eq(dev_net(dev), &init_net))
 		goto drop;
 
 	if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL)
@@ -552,7 +552,7 @@ static int bpq_device_event(struct notifier_block *this,unsigned long event, voi
 {
 	struct net_device *dev = (struct net_device *)ptr;
 
-	if (dev_net(dev) != &init_net)
+	if (!net_eq(dev_net(dev), &init_net))
 		return NOTIFY_DONE;
 
 	if (!dev_is_ethdev(dev))
diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c
index 1bc654a73c4..c9f65574378 100644
--- a/drivers/net/loopback.c
+++ b/drivers/net/loopback.c
@@ -207,7 +207,7 @@ static __net_init int loopback_net_init(struct net *net)
 out_free_netdev:
 	free_netdev(dev);
 out:
-	if (net == &init_net)
+	if (net_eq(net, &init_net))
 		panic("loopback: Failed to register netdevice: %d\n", err);
 	return err;
 }
diff --git a/drivers/net/wan/hdlc.c b/drivers/net/wan/hdlc.c
index cc07236ea73..9937bbab938 100644
--- a/drivers/net/wan/hdlc.c
+++ b/drivers/net/wan/hdlc.c
@@ -57,7 +57,7 @@ static int hdlc_rcv(struct sk_buff *skb, struct net_device *dev,
 {
 	struct hdlc_device *hdlc = dev_to_hdlc(dev);
 
-	if (dev_net(dev) != &init_net) {
+	if (!net_eq(dev_net(dev), &init_net)) {
 		kfree_skb(skb);
 		return 0;
 	}
@@ -102,7 +102,7 @@ static int hdlc_device_event(struct notifier_block *this, unsigned long event,
 	unsigned long flags;
 	int on;
 
-	if (dev_net(dev) != &init_net)
+	if (!net_eq(dev_net(dev), &init_net))
 		return NOTIFY_DONE;
 
 	if (!(dev->priv_flags & IFF_WAN_HDLC))
diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index 73ca4d52492..9fc4da56fb1 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -1023,7 +1023,7 @@ static int atalk_create(struct net *net, struct socket *sock, int protocol,
 	struct sock *sk;
 	int rc = -ESOCKTNOSUPPORT;
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		return -EAFNOSUPPORT;
 
 	/*
diff --git a/net/atm/svc.c b/net/atm/svc.c
index c7395070ee7..66e1d9b3e5d 100644
--- a/net/atm/svc.c
+++ b/net/atm/svc.c
@@ -655,7 +655,7 @@ static int svc_create(struct net *net, struct socket *sock, int protocol,
 {
 	int error;
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		return -EAFNOSUPPORT;
 
 	sock->ops = &svc_proto_ops;
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index d6ddfa4c447..5588ba69c46 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -805,7 +805,7 @@ static int ax25_create(struct net *net, struct socket *sock, int protocol,
 	struct sock *sk;
 	ax25_cb *ax25;
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		return -EAFNOSUPPORT;
 
 	switch (sock->type) {
diff --git a/net/can/af_can.c b/net/can/af_can.c
index 833bd838edc..f3067172886 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -126,7 +126,7 @@ static int can_create(struct net *net, struct socket *sock, int protocol,
 	if (protocol < 0 || protocol >= CAN_NPROTO)
 		return -EINVAL;
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		return -EAFNOSUPPORT;
 
 #ifdef CONFIG_MODULES
diff --git a/net/core/dev.c b/net/core/dev.c
index ccefa2473c3..e65af604141 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -985,7 +985,7 @@ rollback:
 	/* For now only devices in the initial network namespace
 	 * are in sysfs.
 	 */
-	if (net == &init_net) {
+	if (net_eq(net, &init_net)) {
 		ret = device_rename(&dev->dev, dev->name);
 		if (ret) {
 			memcpy(dev->name, oldname, IFNAMSIZ);
@@ -4792,7 +4792,7 @@ static void rollback_registered_many(struct list_head *head)
 	list_for_each_entry_safe(dev, aux, head, unreg_list) {
 		int new_net = 1;
 		list_for_each_entry(fdev, &pernet_list, unreg_list) {
-			if (dev_net(dev) == dev_net(fdev)) {
+			if (net_eq(dev_net(dev), dev_net(fdev))) {
 				new_net = 0;
 				dev_put(dev);
 				break;
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index e587e681969..a08a35bf0a7 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -2092,7 +2092,7 @@ static int neigh_dump_table(struct neigh_table *tbl, struct sk_buff *skb,
 		if (h > s_h)
 			s_idx = 0;
 		for (n = tbl->hash_buckets[h], idx = 0; n; n = n->next) {
-			if (dev_net(n->dev) != net)
+			if (!net_eq(dev_net(n->dev), net))
 				continue;
 			if (idx < s_idx)
 				goto next;
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 157645c0da7..fbc1c7472c5 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -525,7 +525,7 @@ void netdev_unregister_kobject(struct net_device * net)
 
 	kobject_get(&dev->kobj);
 
-	if (dev_net(net) != &init_net)
+	if (!net_eq(dev_net(net), &init_net))
 		return;
 
 	device_del(dev);
@@ -559,7 +559,7 @@ int netdev_register_kobject(struct net_device *net)
 #endif
 #endif /* CONFIG_SYSFS */
 
-	if (dev_net(net) != &init_net)
+	if (!net_eq(dev_net(net), &init_net))
 		return 0;
 
 	return device_add(dev);
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 1c1af2756f3..86ed7f44d08 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -280,7 +280,7 @@ out_undo:
 	list_del(&ops->list);
 	if (ops->exit) {
 		for_each_net(undo_net) {
-			if (undo_net == net)
+			if (net_eq(undo_net, net))
 				goto undone;
 			ops->exit(undo_net);
 		}
diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
index 7db1de0497c..fcfc5458c39 100644
--- a/net/core/sysctl_net_core.c
+++ b/net/core/sysctl_net_core.c
@@ -134,7 +134,7 @@ static __net_init int sysctl_core_net_init(struct net *net)
 	net->core.sysctl_somaxconn = SOMAXCONN;
 
 	tbl = netns_core_table;
-	if (net != &init_net) {
+	if (!net_eq(net, &init_net)) {
 		tbl = kmemdup(tbl, sizeof(netns_core_table), GFP_KERNEL);
 		if (tbl == NULL)
 			goto err_dup;
diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c
index ac1205df6c8..2afd617104d 100644
--- a/net/dcb/dcbnl.c
+++ b/net/dcb/dcbnl.c
@@ -1126,7 +1126,7 @@ static int dcb_doit(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
 	u32 pid = skb ? NETLINK_CB(skb).pid : 0;
 	int ret = -EINVAL;
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		return -EINVAL;
 
 	ret = nlmsg_parse(nlh, sizeof(*dcb), tb, DCB_ATTR_MAX,
diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index 9ade3a6de95..2b494fac946 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -680,7 +680,7 @@ static int dn_create(struct net *net, struct socket *sock, int protocol,
 {
 	struct sock *sk;
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		return -EAFNOSUPPORT;
 
 	switch(sock->type) {
diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index 6c916e2b8a8..f20dec9cfa0 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -636,7 +636,7 @@ static int dn_nl_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
 	struct dn_ifaddr *ifa, **ifap;
 	int err = -EINVAL;
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		goto errout;
 
 	err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, dn_ifa_policy);
@@ -675,7 +675,7 @@ static int dn_nl_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
 	struct dn_ifaddr *ifa;
 	int err;
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		return -EINVAL;
 
 	err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, dn_ifa_policy);
@@ -789,7 +789,7 @@ static int dn_nl_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb)
 	struct dn_dev *dn_db;
 	struct dn_ifaddr *ifa;
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		return 0;
 
 	skip_ndevs = cb->args[0];
diff --git a/net/decnet/dn_fib.c b/net/decnet/dn_fib.c
index fd641f65e09..e9d48700e83 100644
--- a/net/decnet/dn_fib.c
+++ b/net/decnet/dn_fib.c
@@ -509,7 +509,7 @@ static int dn_fib_rtm_delroute(struct sk_buff *skb, struct nlmsghdr *nlh, void *
 	struct rtattr **rta = arg;
 	struct rtmsg *r = NLMSG_DATA(nlh);
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		return -EINVAL;
 
 	if (dn_fib_check_attr(r, rta))
@@ -529,7 +529,7 @@ static int dn_fib_rtm_newroute(struct sk_buff *skb, struct nlmsghdr *nlh, void *
 	struct rtattr **rta = arg;
 	struct rtmsg *r = NLMSG_DATA(nlh);
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		return -EINVAL;
 
 	if (dn_fib_check_attr(r, rta))
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index 860286a3921..a03284061a3 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -1517,7 +1517,7 @@ static int dn_cache_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh, void
 	struct sk_buff *skb;
 	struct flowi fl;
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		return -EINVAL;
 
 	memset(&fl, 0, sizeof(fl));
@@ -1602,7 +1602,7 @@ int dn_cache_dump(struct sk_buff *skb, struct netlink_callback *cb)
 	int h, s_h;
 	int idx, s_idx;
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		return 0;
 
 	if (NLMSG_PAYLOAD(cb->nlh, 0) < sizeof(struct rtmsg))
diff --git a/net/decnet/dn_table.c b/net/decnet/dn_table.c
index 67054b0d550..f281e0f59b0 100644
--- a/net/decnet/dn_table.c
+++ b/net/decnet/dn_table.c
@@ -471,7 +471,7 @@ int dn_fib_dump(struct sk_buff *skb, struct netlink_callback *cb)
 	struct hlist_node *node;
 	int dumped = 0;
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		return 0;
 
 	if (NLMSG_PAYLOAD(cb->nlh, 0) >= sizeof(struct rtmsg) &&
diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c
index 596679803de..29b4931aae5 100644
--- a/net/econet/af_econet.c
+++ b/net/econet/af_econet.c
@@ -612,7 +612,7 @@ static int econet_create(struct net *net, struct socket *sock, int protocol,
 	struct econet_sock *eo;
 	int err;
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		return -EAFNOSUPPORT;
 
 	/* Econet only provides datagram services. */
diff --git a/net/ieee802154/af_ieee802154.c b/net/ieee802154/af_ieee802154.c
index de6e34d2a7f..bad1c49fd96 100644
--- a/net/ieee802154/af_ieee802154.c
+++ b/net/ieee802154/af_ieee802154.c
@@ -241,7 +241,7 @@ static int ieee802154_create(struct net *net, struct socket *sock,
 	struct proto *proto;
 	const struct proto_ops *ops;
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		return -EAFNOSUPPORT;
 
 	switch (sock->type) {
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 7620382058a..c100709d6dd 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1605,7 +1605,7 @@ static __net_init int devinet_init_net(struct net *net)
 	all = &ipv4_devconf;
 	dflt = &ipv4_devconf_dflt;
 
-	if (net != &init_net) {
+	if (!net_eq(net, &init_net)) {
 		all = kmemdup(all, sizeof(ipv4_devconf), GFP_KERNEL);
 		if (all == NULL)
 			goto err_alloc_all;
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 9b096d6ff3f..ed19aa6919c 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -228,7 +228,7 @@ static struct fib_info *fib_find_info(const struct fib_info *nfi)
 	head = &fib_info_hash[hash];
 
 	hlist_for_each_entry(fi, node, head, fib_hash) {
-		if (fi->fib_net != nfi->fib_net)
+		if (!net_eq(fi->fib_net, nfi->fib_net))
 			continue;
 		if (fi->fib_nhs != nfi->fib_nhs)
 			continue;
@@ -1047,7 +1047,7 @@ int fib_sync_down_addr(struct net *net, __be32 local)
 		return 0;
 
 	hlist_for_each_entry(fi, node, head, fib_lhash) {
-		if (fi->fib_net != net)
+		if (!net_eq(fi->fib_net, net))
 			continue;
 		if (fi->fib_prefsrc == local) {
 			fi->fib_flags |= RTNH_F_DEAD;
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 26fb50e9131..9b35c56d102 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -112,7 +112,7 @@ again:
 					hashinfo->bhash_size)];
 			spin_lock(&head->lock);
 			inet_bind_bucket_for_each(tb, node, &head->chain)
-				if (ib_net(tb) == net && tb->port == rover) {
+				if (net_eq(ib_net(tb), net) && tb->port == rover) {
 					if (tb->fastreuse > 0 &&
 					    sk->sk_reuse &&
 					    sk->sk_state != TCP_LISTEN &&
@@ -158,7 +158,7 @@ have_snum:
 				hashinfo->bhash_size)];
 		spin_lock(&head->lock);
 		inet_bind_bucket_for_each(tb, node, &head->chain)
-			if (ib_net(tb) == net && tb->port == snum)
+			if (net_eq(ib_net(tb), net) && tb->port == snum)
 				goto tb_found;
 	}
 	tb = NULL;
diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index 47ad7aab51e..94ef51aa5bc 100644
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -454,7 +454,8 @@ int __inet_hash_connect(struct inet_timewait_death_row *death_row,
 			 * unique enough.
 			 */
 			inet_bind_bucket_for_each(tb, node, &head->chain) {
-				if (ib_net(tb) == net && tb->port == port) {
+				if (net_eq(ib_net(tb), net) &&
+				    tb->port == port) {
 					if (tb->fastreuse >= 0)
 						goto next_port;
 					WARN_ON(hlist_empty(&tb->owners));
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index b007f8af6e1..1472d8e3c19 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -658,7 +658,7 @@ static int ip4_frags_ns_ctl_register(struct net *net)
 	struct ctl_table_header *hdr;
 
 	table = ip4_frags_ns_ctl_table;
-	if (net != &init_net) {
+	if (!net_eq(net, &init_net)) {
 		table = kmemdup(table, sizeof(ip4_frags_ns_ctl_table), GFP_KERNEL);
 		if (table == NULL)
 			goto err_alloc;
@@ -676,7 +676,7 @@ static int ip4_frags_ns_ctl_register(struct net *net)
 	return 0;
 
 err_reg:
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		kfree(table);
 err_alloc:
 	return -ENOMEM;
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
index fdf51badc8e..c29de9879fd 100644
--- a/net/ipv4/ip_input.c
+++ b/net/ipv4/ip_input.c
@@ -164,7 +164,7 @@ int ip_call_ra_chain(struct sk_buff *skb)
 		if (sk && inet_sk(sk)->inet_num == protocol &&
 		    (!sk->sk_bound_dev_if ||
 		     sk->sk_bound_dev_if == dev->ifindex) &&
-		    sock_net(sk) == dev_net(dev)) {
+		    net_eq(sock_net(sk), dev_net(dev))) {
 			if (ip_hdr(skb)->frag_off & htons(IP_MF | IP_OFFSET)) {
 				if (ip_defrag(skb, IP_DEFRAG_CALL_RA_CHAIN)) {
 					read_unlock(&ip_ra_lock);
diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c
index c156db21598..884f0859cb3 100644
--- a/net/ipv4/netfilter/ip_queue.c
+++ b/net/ipv4/netfilter/ip_queue.c
@@ -500,7 +500,7 @@ ipq_rcv_nl_event(struct notifier_block *this,
 	if (event == NETLINK_URELEASE &&
 	    n->protocol == NETLINK_FIREWALL && n->pid) {
 		write_lock_bh(&queue_lock);
-		if ((n->net == &init_net) && (n->pid == peer_pid))
+		if ((net_eq(n->net, &init_net)) && (n->pid == peer_pid))
 			__ipq_reset();
 		write_unlock_bh(&queue_lock);
 	}
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 7547944ea9b..aea7bb369cf 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -703,7 +703,7 @@ static inline int compare_keys(struct flowi *fl1, struct flowi *fl2)
 
 static inline int compare_netns(struct rtable *rt1, struct rtable *rt2)
 {
-	return dev_net(rt1->u.dst.dev) == dev_net(rt2->u.dst.dev);
+	return net_eq(dev_net(rt1->u.dst.dev), dev_net(rt2->u.dst.dev));
 }
 
 static inline int rt_is_expired(struct rtable *rth)
@@ -3310,7 +3310,7 @@ static __net_init int sysctl_route_net_init(struct net *net)
 	struct ctl_table *tbl;
 
 	tbl = ipv4_route_flush_table;
-	if (net != &init_net) {
+	if (!net_eq(net, &init_net)) {
 		tbl = kmemdup(tbl, sizeof(ipv4_route_flush_table), GFP_KERNEL);
 		if (tbl == NULL)
 			goto err_dup;
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 2dcf04d9b00..c00323bae04 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -818,7 +818,7 @@ static __net_init int ipv4_sysctl_init_net(struct net *net)
 	struct ctl_table *table;
 
 	table = ipv4_net_table;
-	if (net != &init_net) {
+	if (!net_eq(net, &init_net)) {
 		table = kmemdup(table, sizeof(ipv4_net_table), GFP_KERNEL);
 		if (table == NULL)
 			goto err_alloc;
@@ -849,7 +849,7 @@ static __net_init int ipv4_sysctl_init_net(struct net *net)
 	return 0;
 
 err_reg:
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		kfree(table);
 err_alloc:
 	return -ENOMEM;
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 522bdc77206..b1ce8fc6204 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -4498,7 +4498,7 @@ static int addrconf_init_net(struct net *net)
 	all = &ipv6_devconf;
 	dflt = &ipv6_devconf_dflt;
 
-	if (net != &init_net) {
+	if (!net_eq(net, &init_net)) {
 		all = kmemdup(all, sizeof(ipv6_devconf), GFP_KERNEL);
 		if (all == NULL)
 			goto err_alloc_all;
@@ -4546,7 +4546,7 @@ static void addrconf_exit_net(struct net *net)
 	__addrconf_sysctl_unregister(net->ipv6.devconf_dflt);
 	__addrconf_sysctl_unregister(net->ipv6.devconf_all);
 #endif
-	if (net != &init_net) {
+	if (!net_eq(net, &init_net)) {
 		kfree(net->ipv6.devconf_dflt);
 		kfree(net->ipv6.devconf_all);
 	}
diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c
index 593a67e8d3f..6e7bffa2205 100644
--- a/net/ipv6/ip6_flowlabel.c
+++ b/net/ipv6/ip6_flowlabel.c
@@ -67,7 +67,7 @@ static inline struct ip6_flowlabel *__fl_lookup(struct net *net, __be32 label)
 	struct ip6_flowlabel *fl;
 
 	for (fl=fl_ht[FL_HASH(label)]; fl; fl = fl->next) {
-		if (fl->label == label && fl->fl_net == net)
+		if (fl->label == label && net_eq(fl->fl_net, net))
 			return fl;
 	}
 	return NULL;
@@ -163,7 +163,8 @@ static void ip6_fl_purge(struct net *net)
 		struct ip6_flowlabel *fl, **flp;
 		flp = &fl_ht[i];
 		while ((fl = *flp) != NULL) {
-			if (fl->fl_net == net && atomic_read(&fl->users) == 0) {
+			if (net_eq(fl->fl_net, net) &&
+			    atomic_read(&fl->users) == 0) {
 				*flp = fl->next;
 				fl_free(fl);
 				atomic_dec(&fl_size);
@@ -630,7 +631,7 @@ static struct ip6_flowlabel *ip6fl_get_first(struct seq_file *seq)
 	for (state->bucket = 0; state->bucket <= FL_HASH_MASK; ++state->bucket) {
 		fl = fl_ht[state->bucket];
 
-		while (fl && fl->fl_net != net)
+		while (fl && !net_eq(fl->fl_net, net))
 			fl = fl->next;
 		if (fl)
 			break;
@@ -645,7 +646,7 @@ static struct ip6_flowlabel *ip6fl_get_next(struct seq_file *seq, struct ip6_flo
 
 	fl = fl->next;
 try_again:
-	while (fl && fl->fl_net != net)
+	while (fl && !net_eq(fl->fl_net, net))
 		fl = fl->next;
 
 	while (!fl) {
diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c
index 1cf3f0c6a95..4c7a18abcaf 100644
--- a/net/ipv6/netfilter/ip6_queue.c
+++ b/net/ipv6/netfilter/ip6_queue.c
@@ -502,7 +502,7 @@ ipq_rcv_nl_event(struct notifier_block *this,
 	if (event == NETLINK_URELEASE &&
 	    n->protocol == NETLINK_IP6_FW && n->pid) {
 		write_lock_bh(&queue_lock);
-		if ((n->net == &init_net) && (n->pid == peer_pid))
+		if ((net_eq(n->net, &init_net)) && (n->pid == peer_pid))
 			__ipq_reset();
 		write_unlock_bh(&queue_lock);
 	}
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index dce699fb267..45efc39753e 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -681,7 +681,7 @@ static int ip6_frags_ns_sysctl_register(struct net *net)
 	struct ctl_table_header *hdr;
 
 	table = ip6_frags_ns_ctl_table;
-	if (net != &init_net) {
+	if (!net_eq(net, &init_net)) {
 		table = kmemdup(table, sizeof(ip6_frags_ns_ctl_table), GFP_KERNEL);
 		if (table == NULL)
 			goto err_alloc;
@@ -699,7 +699,7 @@ static int ip6_frags_ns_sysctl_register(struct net *net)
 	return 0;
 
 err_reg:
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		kfree(table);
 err_alloc:
 	return -ENOMEM;
diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c
index 975c5a366e5..f9759b54a6d 100644
--- a/net/ipx/af_ipx.c
+++ b/net/ipx/af_ipx.c
@@ -1362,7 +1362,7 @@ static int ipx_create(struct net *net, struct socket *sock, int protocol,
 	int rc = -ESOCKTNOSUPPORT;
 	struct sock *sk;
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		return -EAFNOSUPPORT;
 
 	/*
diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index 5266c286b26..3a66546cad0 100644
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -158,7 +158,7 @@ static int llc_ui_create(struct net *net, struct socket *sock, int protocol,
 	if (!capable(CAP_NET_RAW))
 		return -EPERM;
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		return -EAFNOSUPPORT;
 
 	if (likely(sock->type == SOCK_DGRAM || sock->type == SOCK_STREAM)) {
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index f900dc3194a..49005482e39 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -678,7 +678,7 @@ nfulnl_rcv_nl_event(struct notifier_block *this,
 			struct hlist_head *head = &instance_table[i];
 
 			hlist_for_each_entry_safe(inst, tmp, t2, head, hlist) {
-				if ((n->net == &init_net) &&
+				if ((net_eq(n->net, &init_net)) &&
 				    (n->pid == inst->peer_pid))
 					__instance_destroy(inst);
 			}
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index eff5b0ddc5c..a4957bf2ca6 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1092,7 +1092,7 @@ static inline int do_one_set_err(struct sock *sk,
 	if (sk == p->exclude_sk)
 		goto out;
 
-	if (sock_net(sk) != sock_net(p->exclude_sk))
+	if (!net_eq(sock_net(sk), sock_net(p->exclude_sk)))
 		goto out;
 
 	if (nlk->pid == p->pid || p->group - 1 >= nlk->ngroups ||
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index 4bdd5697f63..71604c6613b 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -431,7 +431,7 @@ static int nr_create(struct net *net, struct socket *sock, int protocol,
 	struct sock *sk;
 	struct nr_sock *nr;
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		return -EAFNOSUPPORT;
 
 	if (sock->type != SOCK_SEQPACKET || protocol != 0)
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index c620bd9ae3d..940fc20b2b5 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -365,7 +365,7 @@ static int packet_rcv_spkt(struct sk_buff *skb, struct net_device *dev,
 	if (skb->pkt_type == PACKET_LOOPBACK)
 		goto out;
 
-	if (dev_net(dev) != sock_net(sk))
+	if (!net_eq(dev_net(dev), sock_net(sk)))
 		goto out;
 
 	skb = skb_share_check(skb, GFP_ATOMIC);
@@ -553,7 +553,7 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev,
 	sk = pt->af_packet_priv;
 	po = pkt_sk(sk);
 
-	if (dev_net(dev) != sock_net(sk))
+	if (!net_eq(dev_net(dev), sock_net(sk)))
 		goto drop;
 
 	skb->dev = dev;
@@ -674,7 +674,7 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
 	sk = pt->af_packet_priv;
 	po = pkt_sk(sk);
 
-	if (dev_net(dev) != sock_net(sk))
+	if (!net_eq(dev_net(dev), sock_net(sk)))
 		goto drop;
 
 	if (dev->header_ops) {
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index 4de4287fec3..8feb9e5d662 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -518,7 +518,7 @@ static int rose_create(struct net *net, struct socket *sock, int protocol,
 	struct sock *sk;
 	struct rose_sock *rose;
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		return -EAFNOSUPPORT;
 
 	if (sock->type != SOCK_SEQPACKET || protocol != 0)
diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c
index f978d02a248..287b1415cee 100644
--- a/net/rxrpc/af_rxrpc.c
+++ b/net/rxrpc/af_rxrpc.c
@@ -616,7 +616,7 @@ static int rxrpc_create(struct net *net, struct socket *sock, int protocol,
 
 	_enter("%p,%d", sock, protocol);
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		return -EAFNOSUPPORT;
 
 	/* we support transport protocol UDP only */
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index ca2e1fd2bf6..2a740035aa6 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -969,7 +969,7 @@ static int tc_ctl_action(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
 	u32 pid = skb ? NETLINK_CB(skb).pid : 0;
 	int ret = 0, ovr = 0;
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		return -EINVAL;
 
 	ret = nlmsg_parse(n, sizeof(struct tcamsg), tca, TCA_ACT_MAX, NULL);
@@ -1052,7 +1052,7 @@ tc_dump_action(struct sk_buff *skb, struct netlink_callback *cb)
 	struct tcamsg *t = (struct tcamsg *) NLMSG_DATA(cb->nlh);
 	struct nlattr *kind = find_dump_kind(cb->nlh);
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		return 0;
 
 	if (kind == NULL) {
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index c024da77824..3725d8fa29d 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -137,7 +137,7 @@ static int tc_ctl_tfilter(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
 	int err;
 	int tp_created = 0;
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		return -EINVAL;
 
 replay:
@@ -418,7 +418,7 @@ static int tc_dump_tfilter(struct sk_buff *skb, struct netlink_callback *cb)
 	const struct Qdisc_class_ops *cops;
 	struct tcf_dump_args arg;
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		return 0;
 
 	if (cb->nlh->nlmsg_len < NLMSG_LENGTH(sizeof(*tcm)))
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 876ba4bb6ae..75fd1c672c6 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -947,7 +947,7 @@ static int tc_get_qdisc(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
 	struct Qdisc *p = NULL;
 	int err;
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		return -EINVAL;
 
 	if ((dev = __dev_get_by_index(&init_net, tcm->tcm_ifindex)) == NULL)
@@ -1009,7 +1009,7 @@ static int tc_modify_qdisc(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
 	struct Qdisc *q, *p;
 	int err;
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		return -EINVAL;
 
 replay:
@@ -1274,7 +1274,7 @@ static int tc_dump_qdisc(struct sk_buff *skb, struct netlink_callback *cb)
 	int s_idx, s_q_idx;
 	struct net_device *dev;
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		return 0;
 
 	s_idx = cb->args[0];
@@ -1334,7 +1334,7 @@ static int tc_ctl_tclass(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
 	u32 qid = TC_H_MAJ(clid);
 	int err;
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		return -EINVAL;
 
 	if ((dev = __dev_get_by_index(&init_net, tcm->tcm_ifindex)) == NULL)
@@ -1576,7 +1576,7 @@ static int tc_dump_tclass(struct sk_buff *skb, struct netlink_callback *cb)
 	struct net_device *dev;
 	int t, s_t;
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		return 0;
 
 	if (cb->nlh->nlmsg_len < NLMSG_LENGTH(sizeof(*tcm)))
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index d00c2119faf..eca5eb0dab0 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -195,7 +195,7 @@ static int tipc_create(struct net *net, struct socket *sock, int protocol,
 
 	/* Validate arguments */
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		return -EAFNOSUPPORT;
 
 	if (unlikely(protocol != 0))
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index ac7dba46fa3..2a3a513af3c 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -514,7 +514,7 @@ static int x25_create(struct net *net, struct socket *sock, int protocol,
 	struct x25_sock *x25;
 	int rc = -ESOCKTNOSUPPORT;
 
-	if (net != &init_net)
+	if (!net_eq(net, &init_net))
 		return -EAFNOSUPPORT;
 
 	if (sock->type != SOCK_SEQPACKET || protocol)
-- 
GitLab


From a661c4199b300503dae694efa21f1354f763b97c Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Wed, 25 Nov 2009 15:40:35 -0800
Subject: [PATCH 1525/1815] net: convert /proc/net/rt_acct to seq_file

Rewrite statistics accumulation to be in terms of structure fields,
not raw u32 additions. Keep them in same order, though.

This is the last user of create_proc_read_entry() in net/,
please NAK all new ones as well as all new ->write_proc, ->read_proc and
create_proc_entry() users. Cc me if there are problems. :-)

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/route.c | 68 +++++++++++++++++++++++-------------------------
 1 file changed, 33 insertions(+), 35 deletions(-)

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index aea7bb369cf..9889fbd9648 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -513,43 +513,42 @@ static const struct file_operations rt_cpu_seq_fops = {
 };
 
 #ifdef CONFIG_NET_CLS_ROUTE
-static int ip_rt_acct_read(char *buffer, char **start, off_t offset,
-			   int length, int *eof, void *data)
-{
-	unsigned int i;
-
-	if ((offset & 3) || (length & 3))
-		return -EIO;
-
-	if (offset >= sizeof(struct ip_rt_acct) * 256) {
-		*eof = 1;
-		return 0;
-	}
-
-	if (offset + length >= sizeof(struct ip_rt_acct) * 256) {
-		length = sizeof(struct ip_rt_acct) * 256 - offset;
-		*eof = 1;
+static int rt_acct_proc_show(struct seq_file *m, void *v)
+{
+	struct ip_rt_acct *dst, *src;
+	unsigned int i, j;
+
+	dst = kcalloc(256, sizeof(struct ip_rt_acct), GFP_KERNEL);
+	if (!dst)
+		return -ENOMEM;
+
+	for_each_possible_cpu(i) {
+		src = (struct ip_rt_acct *)per_cpu_ptr(ip_rt_acct, i);
+		for (j = 0; j < 256; j++) {
+			dst[j].o_bytes   += src[j].o_bytes;
+			dst[j].o_packets += src[j].o_packets;
+			dst[j].i_bytes   += src[j].i_bytes;
+			dst[j].i_packets += src[j].i_packets;
+		}
 	}
 
-	offset /= sizeof(u32);
-
-	if (length > 0) {
-		u32 *dst = (u32 *) buffer;
-
-		*start = buffer;
-		memset(dst, 0, length);
-
-		for_each_possible_cpu(i) {
-			unsigned int j;
-			u32 *src;
+	seq_write(m, dst, 256 * sizeof(struct ip_rt_acct));
+	kfree(dst);
+	return 0;
+}
 
-			src = ((u32 *) per_cpu_ptr(ip_rt_acct, i)) + offset;
-			for (j = 0; j < length/4; j++)
-				dst[j] += src[j];
-		}
-	}
-	return length;
+static int rt_acct_proc_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, rt_acct_proc_show, NULL);
 }
+
+static const struct file_operations rt_acct_proc_fops = {
+	.owner		= THIS_MODULE,
+	.open		= rt_acct_proc_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
 #endif
 
 static int __net_init ip_rt_do_proc_init(struct net *net)
@@ -567,8 +566,7 @@ static int __net_init ip_rt_do_proc_init(struct net *net)
 		goto err2;
 
 #ifdef CONFIG_NET_CLS_ROUTE
-	pde = create_proc_read_entry("rt_acct", 0, net->proc_net,
-			ip_rt_acct_read, NULL);
+	pde = proc_create("rt_acct", 0, net->proc_net, &rt_acct_proc_fops);
 	if (!pde)
 		goto err3;
 #endif
-- 
GitLab


From 4e242d1616781f9f1f0b01abf878700b259cd8b5 Mon Sep 17 00:00:00 2001
From: Martin Willi <martin@strongswan.org>
Date: Wed, 25 Nov 2009 00:29:51 +0000
Subject: [PATCH 1526/1815] xfrm: Define new XFRM netlink auth attribute with
 specified truncation bits

The new XFRMA_ALG_AUTH_TRUNC attribute taking a xfrm_algo_auth as
argument allows the installation of authentication algorithms with
a truncation length specified in userspace, i.e. SHA256 with 128 bit
instead of 96 bit truncation.

Signed-off-by: Martin Willi <martin@strongswan.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/xfrm.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/linux/xfrm.h b/include/linux/xfrm.h
index 3246f0e66bc..29e04beb1fc 100644
--- a/include/linux/xfrm.h
+++ b/include/linux/xfrm.h
@@ -90,6 +90,13 @@ struct xfrm_algo {
 	char		alg_key[0];
 };
 
+struct xfrm_algo_auth {
+	char		alg_name[64];
+	unsigned int	alg_key_len;    /* in bits */
+	unsigned int	alg_trunc_len;  /* in bits */
+	char		alg_key[0];
+};
+
 struct xfrm_algo_aead {
 	char		alg_name[64];
 	unsigned int	alg_key_len;	/* in bits */
@@ -274,6 +281,7 @@ enum xfrm_attr_type_t {
 	XFRMA_MIGRATE,
 	XFRMA_ALG_AEAD,		/* struct xfrm_algo_aead */
 	XFRMA_KMADDRESS,        /* struct xfrm_user_kmaddress */
+	XFRMA_ALG_AUTH_TRUNC,	/* struct xfrm_algo_auth */
 	__XFRMA_MAX
 
 #define XFRMA_MAX (__XFRMA_MAX - 1)
-- 
GitLab


From 4447bb33f09444920a8f1d89e1540137429351b6 Mon Sep 17 00:00:00 2001
From: Martin Willi <martin@strongswan.org>
Date: Wed, 25 Nov 2009 00:29:52 +0000
Subject: [PATCH 1527/1815] xfrm: Store aalg in xfrm_state with a user
 specified truncation length

Adding a xfrm_state requires an authentication algorithm specified
either as xfrm_algo or as xfrm_algo_auth with a specific truncation
length. For compatibility, both attributes are dumped to userspace,
and we also accept both attributes, but prefer the new syntax.

If no truncation length is specified, or the authentication algorithm
is specified using xfrm_algo, the truncation length from the algorithm
description in the kernel is used.

Signed-off-by: Martin Willi <martin@strongswan.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/xfrm.h    |  12 +++-
 net/xfrm/xfrm_state.c |   2 +-
 net/xfrm/xfrm_user.c  | 129 +++++++++++++++++++++++++++++++++++++++---
 3 files changed, 133 insertions(+), 10 deletions(-)

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 93d184b91a8..6d85861ab99 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -162,7 +162,7 @@ struct xfrm_state {
 	struct xfrm_lifetime_cfg lft;
 
 	/* Data for transformer */
-	struct xfrm_algo	*aalg;
+	struct xfrm_algo_auth	*aalg;
 	struct xfrm_algo	*ealg;
 	struct xfrm_algo	*calg;
 	struct xfrm_algo_aead	*aead;
@@ -1532,12 +1532,22 @@ static inline int xfrm_alg_len(struct xfrm_algo *alg)
 	return sizeof(*alg) + ((alg->alg_key_len + 7) / 8);
 }
 
+static inline int xfrm_alg_auth_len(struct xfrm_algo_auth *alg)
+{
+	return sizeof(*alg) + ((alg->alg_key_len + 7) / 8);
+}
+
 #ifdef CONFIG_XFRM_MIGRATE
 static inline struct xfrm_algo *xfrm_algo_clone(struct xfrm_algo *orig)
 {
 	return kmemdup(orig, xfrm_alg_len(orig), GFP_KERNEL);
 }
 
+static inline struct xfrm_algo_auth *xfrm_algo_auth_clone(struct xfrm_algo_auth *orig)
+{
+	return kmemdup(orig, xfrm_alg_auth_len(orig), GFP_KERNEL);
+}
+
 static inline void xfrm_states_put(struct xfrm_state **states, int n)
 {
 	int i;
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index e9ac0cec087..d847f1a52b4 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -1114,7 +1114,7 @@ static struct xfrm_state *xfrm_state_clone(struct xfrm_state *orig, int *errp)
 	x->props.saddr = orig->props.saddr;
 
 	if (orig->aalg) {
-		x->aalg = xfrm_algo_clone(orig->aalg);
+		x->aalg = xfrm_algo_auth_clone(orig->aalg);
 		if (!x->aalg)
 			goto error;
 	}
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index b95a2d64eb5..fb42d778d27 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -62,6 +62,22 @@ static int verify_one_alg(struct nlattr **attrs, enum xfrm_attr_type_t type)
 	return 0;
 }
 
+static int verify_auth_trunc(struct nlattr **attrs)
+{
+	struct nlattr *rt = attrs[XFRMA_ALG_AUTH_TRUNC];
+	struct xfrm_algo_auth *algp;
+
+	if (!rt)
+		return 0;
+
+	algp = nla_data(rt);
+	if (nla_len(rt) < xfrm_alg_auth_len(algp))
+		return -EINVAL;
+
+	algp->alg_name[CRYPTO_MAX_ALG_NAME - 1] = '\0';
+	return 0;
+}
+
 static int verify_aead(struct nlattr **attrs)
 {
 	struct nlattr *rt = attrs[XFRMA_ALG_AEAD];
@@ -128,7 +144,8 @@ static int verify_newsa_info(struct xfrm_usersa_info *p,
 	err = -EINVAL;
 	switch (p->id.proto) {
 	case IPPROTO_AH:
-		if (!attrs[XFRMA_ALG_AUTH]	||
+		if ((!attrs[XFRMA_ALG_AUTH]	&&
+		     !attrs[XFRMA_ALG_AUTH_TRUNC]) ||
 		    attrs[XFRMA_ALG_AEAD]	||
 		    attrs[XFRMA_ALG_CRYPT]	||
 		    attrs[XFRMA_ALG_COMP])
@@ -139,10 +156,12 @@ static int verify_newsa_info(struct xfrm_usersa_info *p,
 		if (attrs[XFRMA_ALG_COMP])
 			goto out;
 		if (!attrs[XFRMA_ALG_AUTH] &&
+		    !attrs[XFRMA_ALG_AUTH_TRUNC] &&
 		    !attrs[XFRMA_ALG_CRYPT] &&
 		    !attrs[XFRMA_ALG_AEAD])
 			goto out;
 		if ((attrs[XFRMA_ALG_AUTH] ||
+		     attrs[XFRMA_ALG_AUTH_TRUNC] ||
 		     attrs[XFRMA_ALG_CRYPT]) &&
 		    attrs[XFRMA_ALG_AEAD])
 			goto out;
@@ -152,6 +171,7 @@ static int verify_newsa_info(struct xfrm_usersa_info *p,
 		if (!attrs[XFRMA_ALG_COMP]	||
 		    attrs[XFRMA_ALG_AEAD]	||
 		    attrs[XFRMA_ALG_AUTH]	||
+		    attrs[XFRMA_ALG_AUTH_TRUNC]	||
 		    attrs[XFRMA_ALG_CRYPT])
 			goto out;
 		break;
@@ -161,6 +181,7 @@ static int verify_newsa_info(struct xfrm_usersa_info *p,
 	case IPPROTO_ROUTING:
 		if (attrs[XFRMA_ALG_COMP]	||
 		    attrs[XFRMA_ALG_AUTH]	||
+		    attrs[XFRMA_ALG_AUTH_TRUNC]	||
 		    attrs[XFRMA_ALG_AEAD]	||
 		    attrs[XFRMA_ALG_CRYPT]	||
 		    attrs[XFRMA_ENCAP]		||
@@ -176,6 +197,8 @@ static int verify_newsa_info(struct xfrm_usersa_info *p,
 
 	if ((err = verify_aead(attrs)))
 		goto out;
+	if ((err = verify_auth_trunc(attrs)))
+		goto out;
 	if ((err = verify_one_alg(attrs, XFRMA_ALG_AUTH)))
 		goto out;
 	if ((err = verify_one_alg(attrs, XFRMA_ALG_CRYPT)))
@@ -229,6 +252,66 @@ static int attach_one_algo(struct xfrm_algo **algpp, u8 *props,
 	return 0;
 }
 
+static int attach_auth(struct xfrm_algo_auth **algpp, u8 *props,
+		       struct nlattr *rta)
+{
+	struct xfrm_algo *ualg;
+	struct xfrm_algo_auth *p;
+	struct xfrm_algo_desc *algo;
+
+	if (!rta)
+		return 0;
+
+	ualg = nla_data(rta);
+
+	algo = xfrm_aalg_get_byname(ualg->alg_name, 1);
+	if (!algo)
+		return -ENOSYS;
+	*props = algo->desc.sadb_alg_id;
+
+	p = kmalloc(sizeof(*p) + (ualg->alg_key_len + 7) / 8, GFP_KERNEL);
+	if (!p)
+		return -ENOMEM;
+
+	strcpy(p->alg_name, algo->name);
+	p->alg_key_len = ualg->alg_key_len;
+	p->alg_trunc_len = algo->uinfo.auth.icv_truncbits;
+	memcpy(p->alg_key, ualg->alg_key, (ualg->alg_key_len + 7) / 8);
+
+	*algpp = p;
+	return 0;
+}
+
+static int attach_auth_trunc(struct xfrm_algo_auth **algpp, u8 *props,
+			     struct nlattr *rta)
+{
+	struct xfrm_algo_auth *p, *ualg;
+	struct xfrm_algo_desc *algo;
+
+	if (!rta)
+		return 0;
+
+	ualg = nla_data(rta);
+
+	algo = xfrm_aalg_get_byname(ualg->alg_name, 1);
+	if (!algo)
+		return -ENOSYS;
+	if (ualg->alg_trunc_len > algo->uinfo.auth.icv_fullbits)
+		return -EINVAL;
+	*props = algo->desc.sadb_alg_id;
+
+	p = kmemdup(ualg, xfrm_alg_auth_len(ualg), GFP_KERNEL);
+	if (!p)
+		return -ENOMEM;
+
+	strcpy(p->alg_name, algo->name);
+	if (!p->alg_trunc_len)
+		p->alg_trunc_len = algo->uinfo.auth.icv_truncbits;
+
+	*algpp = p;
+	return 0;
+}
+
 static int attach_aead(struct xfrm_algo_aead **algpp, u8 *props,
 		       struct nlattr *rta)
 {
@@ -332,10 +415,14 @@ static struct xfrm_state *xfrm_state_construct(struct net *net,
 	if ((err = attach_aead(&x->aead, &x->props.ealgo,
 			       attrs[XFRMA_ALG_AEAD])))
 		goto error;
-	if ((err = attach_one_algo(&x->aalg, &x->props.aalgo,
-				   xfrm_aalg_get_byname,
-				   attrs[XFRMA_ALG_AUTH])))
+	if ((err = attach_auth_trunc(&x->aalg, &x->props.aalgo,
+				     attrs[XFRMA_ALG_AUTH_TRUNC])))
 		goto error;
+	if (!x->props.aalgo) {
+		if ((err = attach_auth(&x->aalg, &x->props.aalgo,
+				       attrs[XFRMA_ALG_AUTH])))
+			goto error;
+	}
 	if ((err = attach_one_algo(&x->ealg, &x->props.ealgo,
 				   xfrm_ealg_get_byname,
 				   attrs[XFRMA_ALG_CRYPT])))
@@ -548,6 +635,24 @@ static int copy_sec_ctx(struct xfrm_sec_ctx *s, struct sk_buff *skb)
 	return 0;
 }
 
+static int copy_to_user_auth(struct xfrm_algo_auth *auth, struct sk_buff *skb)
+{
+	struct xfrm_algo *algo;
+	struct nlattr *nla;
+
+	nla = nla_reserve(skb, XFRMA_ALG_AUTH,
+			  sizeof(*algo) + (auth->alg_key_len + 7) / 8);
+	if (!nla)
+		return -EMSGSIZE;
+
+	algo = nla_data(nla);
+	strcpy(algo->alg_name, auth->alg_name);
+	memcpy(algo->alg_key, auth->alg_key, (auth->alg_key_len + 7) / 8);
+	algo->alg_key_len = auth->alg_key_len;
+
+	return 0;
+}
+
 /* Don't change this without updating xfrm_sa_len! */
 static int copy_to_user_state_extra(struct xfrm_state *x,
 				    struct xfrm_usersa_info *p,
@@ -563,8 +668,13 @@ static int copy_to_user_state_extra(struct xfrm_state *x,
 
 	if (x->aead)
 		NLA_PUT(skb, XFRMA_ALG_AEAD, aead_len(x->aead), x->aead);
-	if (x->aalg)
-		NLA_PUT(skb, XFRMA_ALG_AUTH, xfrm_alg_len(x->aalg), x->aalg);
+	if (x->aalg) {
+		if (copy_to_user_auth(x->aalg, skb))
+			goto nla_put_failure;
+
+		NLA_PUT(skb, XFRMA_ALG_AUTH_TRUNC,
+			xfrm_alg_auth_len(x->aalg), x->aalg);
+	}
 	if (x->ealg)
 		NLA_PUT(skb, XFRMA_ALG_CRYPT, xfrm_alg_len(x->ealg), x->ealg);
 	if (x->calg)
@@ -2117,8 +2227,11 @@ static inline size_t xfrm_sa_len(struct xfrm_state *x)
 	size_t l = 0;
 	if (x->aead)
 		l += nla_total_size(aead_len(x->aead));
-	if (x->aalg)
-		l += nla_total_size(xfrm_alg_len(x->aalg));
+	if (x->aalg) {
+		l += nla_total_size(sizeof(struct xfrm_algo) +
+				    (x->aalg->alg_key_len + 7) / 8);
+		l += nla_total_size(xfrm_alg_auth_len(x->aalg));
+	}
 	if (x->ealg)
 		l += nla_total_size(xfrm_alg_len(x->ealg));
 	if (x->calg)
-- 
GitLab


From 8f8a088c2127c729638da8f2d33860e346c01eda Mon Sep 17 00:00:00 2001
From: Martin Willi <martin@strongswan.org>
Date: Wed, 25 Nov 2009 00:29:53 +0000
Subject: [PATCH 1528/1815] xfrm: Use the user specified truncation length in
 ESP and AH

Instead of using the hardcoded truncation for authentication
algorithms, use the truncation length specified on xfrm_state.

Signed-off-by: Martin Willi <martin@strongswan.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/ah4.c  | 2 +-
 net/ipv4/esp4.c | 2 +-
 net/ipv6/ah6.c  | 2 +-
 net/ipv6/esp6.c | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index d07b0c1dd35..7ed3e4ae93a 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -444,7 +444,7 @@ static int ah_init_state(struct xfrm_state *x)
 	}
 
 	ahp->icv_full_len = aalg_desc->uinfo.auth.icv_fullbits/8;
-	ahp->icv_trunc_len = aalg_desc->uinfo.auth.icv_truncbits/8;
+	ahp->icv_trunc_len = x->aalg->alg_trunc_len/8;
 
 	BUG_ON(ahp->icv_trunc_len > MAX_AH_AUTH_LEN);
 
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index 12f7287e902..1948895beb6 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -530,7 +530,7 @@ static int esp_init_authenc(struct xfrm_state *x)
 		}
 
 		err = crypto_aead_setauthsize(
-			aead, aalg_desc->uinfo.auth.icv_truncbits / 8);
+			aead, x->aalg->alg_trunc_len / 8);
 		if (err)
 			goto free_key;
 	}
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index 0f526f8ea51..c2f300c314b 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -667,7 +667,7 @@ static int ah6_init_state(struct xfrm_state *x)
 	}
 
 	ahp->icv_full_len = aalg_desc->uinfo.auth.icv_fullbits/8;
-	ahp->icv_trunc_len = aalg_desc->uinfo.auth.icv_truncbits/8;
+	ahp->icv_trunc_len = x->aalg->alg_trunc_len/8;
 
 	BUG_ON(ahp->icv_trunc_len > MAX_AH_AUTH_LEN);
 
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index af597c73ebe..668a46b655e 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -473,7 +473,7 @@ static int esp_init_authenc(struct xfrm_state *x)
 		}
 
 		err = crypto_aead_setauthsize(
-			aead, aalg_desc->uinfo.auth.icv_truncbits / 8);
+			aead, x->aalg->alg_trunc_len / 8);
 		if (err)
 			goto free_key;
 	}
-- 
GitLab


From bc74b0c8af17458ecae77f725e507ab5fd100105 Mon Sep 17 00:00:00 2001
From: Martin Willi <martin@strongswan.org>
Date: Wed, 25 Nov 2009 00:58:39 +0000
Subject: [PATCH 1529/1815] xfrm: Add SHA384 and SHA512 HMAC authentication
 algorithms to XFRM

These algorithms use a truncation of 192/256 bits, as specified
in RFC4868.

Signed-off-by: Martin Willi <martin@strongswan.org>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/xfrm/xfrm_algo.c | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/net/xfrm/xfrm_algo.c b/net/xfrm/xfrm_algo.c
index b39341072aa..ef8d61d5046 100644
--- a/net/xfrm/xfrm_algo.c
+++ b/net/xfrm/xfrm_algo.c
@@ -199,6 +199,40 @@ static struct xfrm_algo_desc aalg_list[] = {
 		.sadb_alg_maxbits = 256
 	}
 },
+{
+	.name = "hmac(sha384)",
+
+	.uinfo = {
+		.auth = {
+			.icv_truncbits = 192,
+			.icv_fullbits = 384,
+		}
+	},
+
+	.desc = {
+		.sadb_alg_id = SADB_X_AALG_SHA2_384HMAC,
+		.sadb_alg_ivlen = 0,
+		.sadb_alg_minbits = 384,
+		.sadb_alg_maxbits = 384
+	}
+},
+{
+	.name = "hmac(sha512)",
+
+	.uinfo = {
+		.auth = {
+			.icv_truncbits = 256,
+			.icv_fullbits = 512,
+		}
+	},
+
+	.desc = {
+		.sadb_alg_id = SADB_X_AALG_SHA2_512HMAC,
+		.sadb_alg_ivlen = 0,
+		.sadb_alg_minbits = 512,
+		.sadb_alg_maxbits = 512
+	}
+},
 {
 	.name = "hmac(rmd160)",
 	.compat = "rmd160",
-- 
GitLab


From 350f75960c8ba317935b4274c56c16412e085b08 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Wed, 25 Nov 2009 15:54:21 -0800
Subject: [PATCH 1530/1815] r8169: move PHY regs tables to .rodata

As side effect, consume less stack.

	-rtl8169_get_mac_version [vmlinux]:	432
	-rtl8169_init_one [vmlinux]:		376
	+rtl8169_init_one [vmlinux]:		136

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/r8169.c | 64 ++++++++++++++++++++++-----------------------
 1 file changed, 32 insertions(+), 32 deletions(-)

diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 98f6c51b760..5dba9fa2bc1 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -794,7 +794,7 @@ static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
 	struct rtl8169_private *tp = netdev_priv(dev);
 	void __iomem *ioaddr = tp->mmio_addr;
 	unsigned int i;
-	static struct {
+	static const struct {
 		u32 opt;
 		u16 reg;
 		u8  mask;
@@ -1277,7 +1277,7 @@ static void rtl8169_get_mac_version(struct rtl8169_private *tp,
 	 *
 	 * (RTL_R32(TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec
 	 */
-	const struct {
+	static const struct {
 		u32 mask;
 		u32 val;
 		int mac_version;
@@ -1351,7 +1351,7 @@ struct phy_reg {
 	u16 val;
 };
 
-static void rtl_phy_write(void __iomem *ioaddr, struct phy_reg *regs, int len)
+static void rtl_phy_write(void __iomem *ioaddr, const struct phy_reg *regs, int len)
 {
 	while (len-- > 0) {
 		mdio_write(ioaddr, regs->reg, regs->val);
@@ -1361,7 +1361,7 @@ static void rtl_phy_write(void __iomem *ioaddr, struct phy_reg *regs, int len)
 
 static void rtl8169s_hw_phy_config(void __iomem *ioaddr)
 {
-	struct phy_reg phy_reg_init[] = {
+	static const struct phy_reg phy_reg_init[] = {
 		{ 0x1f, 0x0001 },
 		{ 0x06, 0x006e },
 		{ 0x08, 0x0708 },
@@ -1428,7 +1428,7 @@ static void rtl8169s_hw_phy_config(void __iomem *ioaddr)
 
 static void rtl8169sb_hw_phy_config(void __iomem *ioaddr)
 {
-	struct phy_reg phy_reg_init[] = {
+	static const struct phy_reg phy_reg_init[] = {
 		{ 0x1f, 0x0002 },
 		{ 0x01, 0x90d0 },
 		{ 0x1f, 0x0000 }
@@ -1457,7 +1457,7 @@ static void rtl8169scd_hw_phy_config_quirk(struct rtl8169_private *tp,
 static void rtl8169scd_hw_phy_config(struct rtl8169_private *tp,
 				     void __iomem *ioaddr)
 {
-	struct phy_reg phy_reg_init[] = {
+	static const struct phy_reg phy_reg_init[] = {
 		{ 0x1f, 0x0001 },
 		{ 0x04, 0x0000 },
 		{ 0x03, 0x00a1 },
@@ -1504,7 +1504,7 @@ static void rtl8169scd_hw_phy_config(struct rtl8169_private *tp,
 
 static void rtl8169sce_hw_phy_config(void __iomem *ioaddr)
 {
-	struct phy_reg phy_reg_init[] = {
+	static const struct phy_reg phy_reg_init[] = {
 		{ 0x1f, 0x0001 },
 		{ 0x04, 0x0000 },
 		{ 0x03, 0x00a1 },
@@ -1557,7 +1557,7 @@ static void rtl8169sce_hw_phy_config(void __iomem *ioaddr)
 
 static void rtl8168bb_hw_phy_config(void __iomem *ioaddr)
 {
-	struct phy_reg phy_reg_init[] = {
+	static const struct phy_reg phy_reg_init[] = {
 		{ 0x10, 0xf41b },
 		{ 0x1f, 0x0000 }
 	};
@@ -1570,7 +1570,7 @@ static void rtl8168bb_hw_phy_config(void __iomem *ioaddr)
 
 static void rtl8168bef_hw_phy_config(void __iomem *ioaddr)
 {
-	struct phy_reg phy_reg_init[] = {
+	static const struct phy_reg phy_reg_init[] = {
 		{ 0x1f, 0x0001 },
 		{ 0x10, 0xf41b },
 		{ 0x1f, 0x0000 }
@@ -1581,7 +1581,7 @@ static void rtl8168bef_hw_phy_config(void __iomem *ioaddr)
 
 static void rtl8168cp_1_hw_phy_config(void __iomem *ioaddr)
 {
-	struct phy_reg phy_reg_init[] = {
+	static const struct phy_reg phy_reg_init[] = {
 		{ 0x1f, 0x0000 },
 		{ 0x1d, 0x0f00 },
 		{ 0x1f, 0x0002 },
@@ -1594,7 +1594,7 @@ static void rtl8168cp_1_hw_phy_config(void __iomem *ioaddr)
 
 static void rtl8168cp_2_hw_phy_config(void __iomem *ioaddr)
 {
-	struct phy_reg phy_reg_init[] = {
+	static const struct phy_reg phy_reg_init[] = {
 		{ 0x1f, 0x0001 },
 		{ 0x1d, 0x3d98 },
 		{ 0x1f, 0x0000 }
@@ -1609,7 +1609,7 @@ static void rtl8168cp_2_hw_phy_config(void __iomem *ioaddr)
 
 static void rtl8168c_1_hw_phy_config(void __iomem *ioaddr)
 {
-	struct phy_reg phy_reg_init[] = {
+	static const struct phy_reg phy_reg_init[] = {
 		{ 0x1f, 0x0001 },
 		{ 0x12, 0x2300 },
 		{ 0x1f, 0x0002 },
@@ -1638,7 +1638,7 @@ static void rtl8168c_1_hw_phy_config(void __iomem *ioaddr)
 
 static void rtl8168c_2_hw_phy_config(void __iomem *ioaddr)
 {
-	struct phy_reg phy_reg_init[] = {
+	static const struct phy_reg phy_reg_init[] = {
 		{ 0x1f, 0x0001 },
 		{ 0x12, 0x2300 },
 		{ 0x03, 0x802f },
@@ -1666,7 +1666,7 @@ static void rtl8168c_2_hw_phy_config(void __iomem *ioaddr)
 
 static void rtl8168c_3_hw_phy_config(void __iomem *ioaddr)
 {
-	struct phy_reg phy_reg_init[] = {
+	static const struct phy_reg phy_reg_init[] = {
 		{ 0x1f, 0x0001 },
 		{ 0x12, 0x2300 },
 		{ 0x1d, 0x3d98 },
@@ -1693,7 +1693,7 @@ static void rtl8168c_4_hw_phy_config(void __iomem *ioaddr)
 
 static void rtl8168d_1_hw_phy_config(void __iomem *ioaddr)
 {
-	static struct phy_reg phy_reg_init_0[] = {
+	static const struct phy_reg phy_reg_init_0[] = {
 		{ 0x1f, 0x0001 },
 		{ 0x06, 0x4064 },
 		{ 0x07, 0x2863 },
@@ -1712,14 +1712,14 @@ static void rtl8168d_1_hw_phy_config(void __iomem *ioaddr)
 		{ 0x1a, 0x05ad },
 		{ 0x14, 0x94c0 }
 	};
-	static struct phy_reg phy_reg_init_1[] = {
+	static const struct phy_reg phy_reg_init_1[] = {
 		{ 0x1f, 0x0002 },
 		{ 0x06, 0x5561 },
 		{ 0x1f, 0x0005 },
 		{ 0x05, 0x8332 },
 		{ 0x06, 0x5561 }
 	};
-	static struct phy_reg phy_reg_init_2[] = {
+	static const struct phy_reg phy_reg_init_2[] = {
 		{ 0x1f, 0x0005 },
 		{ 0x05, 0xffc2 },
 		{ 0x1f, 0x0005 },
@@ -2084,7 +2084,7 @@ static void rtl8168d_1_hw_phy_config(void __iomem *ioaddr)
 	rtl_phy_write(ioaddr, phy_reg_init_1, ARRAY_SIZE(phy_reg_init_1));
 
 	if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
-		struct phy_reg phy_reg_init[] = {
+		static const struct phy_reg phy_reg_init[] = {
 			{ 0x1f, 0x0002 },
 			{ 0x05, 0x669a },
 			{ 0x1f, 0x0005 },
@@ -2099,7 +2099,7 @@ static void rtl8168d_1_hw_phy_config(void __iomem *ioaddr)
 		val = mdio_read(ioaddr, 0x0d);
 
 		if ((val & 0x00ff) != 0x006c) {
-			u32 set[] = {
+			static const u32 set[] = {
 				0x0065, 0x0066, 0x0067, 0x0068,
 				0x0069, 0x006a, 0x006b, 0x006c
 			};
@@ -2112,7 +2112,7 @@ static void rtl8168d_1_hw_phy_config(void __iomem *ioaddr)
 				mdio_write(ioaddr, 0x0d, val | set[i]);
 		}
 	} else {
-		struct phy_reg phy_reg_init[] = {
+		static const struct phy_reg phy_reg_init[] = {
 			{ 0x1f, 0x0002 },
 			{ 0x05, 0x6662 },
 			{ 0x1f, 0x0005 },
@@ -2136,7 +2136,7 @@ static void rtl8168d_1_hw_phy_config(void __iomem *ioaddr)
 
 static void rtl8168d_2_hw_phy_config(void __iomem *ioaddr)
 {
-	static struct phy_reg phy_reg_init_0[] = {
+	static const struct phy_reg phy_reg_init_0[] = {
 		{ 0x1f, 0x0001 },
 		{ 0x06, 0x4064 },
 		{ 0x07, 0x2863 },
@@ -2161,7 +2161,7 @@ static void rtl8168d_2_hw_phy_config(void __iomem *ioaddr)
 		{ 0x05, 0x8332 },
 		{ 0x06, 0x5561 }
 	};
-	static struct phy_reg phy_reg_init_1[] = {
+	static const struct phy_reg phy_reg_init_1[] = {
 		{ 0x1f, 0x0005 },
 		{ 0x05, 0xffc2 },
 		{ 0x1f, 0x0005 },
@@ -2477,7 +2477,7 @@ static void rtl8168d_2_hw_phy_config(void __iomem *ioaddr)
 	rtl_phy_write(ioaddr, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
 
 	if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
-		struct phy_reg phy_reg_init[] = {
+		static const struct phy_reg phy_reg_init[] = {
 			{ 0x1f, 0x0002 },
 			{ 0x05, 0x669a },
 			{ 0x1f, 0x0005 },
@@ -2505,7 +2505,7 @@ static void rtl8168d_2_hw_phy_config(void __iomem *ioaddr)
 				mdio_write(ioaddr, 0x0d, val | set[i]);
 		}
 	} else {
-		struct phy_reg phy_reg_init[] = {
+		static const struct phy_reg phy_reg_init[] = {
 			{ 0x1f, 0x0002 },
 			{ 0x05, 0x2642 },
 			{ 0x1f, 0x0005 },
@@ -2531,7 +2531,7 @@ static void rtl8168d_2_hw_phy_config(void __iomem *ioaddr)
 
 static void rtl8168d_3_hw_phy_config(void __iomem *ioaddr)
 {
-	struct phy_reg phy_reg_init[] = {
+	static const struct phy_reg phy_reg_init[] = {
 		{ 0x1f, 0x0002 },
 		{ 0x10, 0x0008 },
 		{ 0x0d, 0x006c },
@@ -2592,7 +2592,7 @@ static void rtl8168d_3_hw_phy_config(void __iomem *ioaddr)
 
 static void rtl8102e_hw_phy_config(void __iomem *ioaddr)
 {
-	struct phy_reg phy_reg_init[] = {
+	static const struct phy_reg phy_reg_init[] = {
 		{ 0x1f, 0x0003 },
 		{ 0x08, 0x441d },
 		{ 0x01, 0x9100 },
@@ -3384,7 +3384,7 @@ static void rtl_set_rx_max_size(void __iomem *ioaddr, unsigned int rx_buf_sz)
 
 static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version)
 {
-	struct {
+	static const struct {
 		u32 mac_version;
 		u32 clk;
 		u32 val;
@@ -3508,7 +3508,7 @@ struct ephy_info {
 	u16 bits;
 };
 
-static void rtl_ephy_init(void __iomem *ioaddr, struct ephy_info *e, int len)
+static void rtl_ephy_init(void __iomem *ioaddr, const struct ephy_info *e, int len)
 {
 	u16 w;
 
@@ -3579,7 +3579,7 @@ static void __rtl_hw_start_8168cp(void __iomem *ioaddr, struct pci_dev *pdev)
 
 static void rtl_hw_start_8168cp_1(void __iomem *ioaddr, struct pci_dev *pdev)
 {
-	static struct ephy_info e_info_8168cp[] = {
+	static const struct ephy_info e_info_8168cp[] = {
 		{ 0x01, 0,	0x0001 },
 		{ 0x02, 0x0800,	0x1000 },
 		{ 0x03, 0,	0x0042 },
@@ -3623,7 +3623,7 @@ static void rtl_hw_start_8168cp_3(void __iomem *ioaddr, struct pci_dev *pdev)
 
 static void rtl_hw_start_8168c_1(void __iomem *ioaddr, struct pci_dev *pdev)
 {
-	static struct ephy_info e_info_8168c_1[] = {
+	static const struct ephy_info e_info_8168c_1[] = {
 		{ 0x02, 0x0800,	0x1000 },
 		{ 0x03, 0,	0x0002 },
 		{ 0x06, 0x0080,	0x0000 }
@@ -3640,7 +3640,7 @@ static void rtl_hw_start_8168c_1(void __iomem *ioaddr, struct pci_dev *pdev)
 
 static void rtl_hw_start_8168c_2(void __iomem *ioaddr, struct pci_dev *pdev)
 {
-	static struct ephy_info e_info_8168c_2[] = {
+	static const struct ephy_info e_info_8168c_2[] = {
 		{ 0x01, 0,	0x0001 },
 		{ 0x03, 0x0400,	0x0220 }
 	};
@@ -3783,7 +3783,7 @@ static void rtl_hw_start_8168(struct net_device *dev)
 
 static void rtl_hw_start_8102e_1(void __iomem *ioaddr, struct pci_dev *pdev)
 {
-	static struct ephy_info e_info_8102e_1[] = {
+	static const struct ephy_info e_info_8102e_1[] = {
 		{ 0x01,	0, 0x6e65 },
 		{ 0x02,	0, 0x091f },
 		{ 0x03,	0, 0xc2f9 },
-- 
GitLab


From da95b2d422b6eb2b76789bbdbfafb7e07c493e7a Mon Sep 17 00:00:00 2001
From: Simon Kagstrom <simon.kagstrom@netinsight.net>
Date: Wed, 25 Nov 2009 22:09:53 +0000
Subject: [PATCH 1531/1815] via-velocity: Correct 64-byte alignment for rx
 buffers

(From the VIA driver). The current code does not guarantee 64-byte
alignment since it simply does

        int add = skb->data & 63;

        skb->data += add;

(via skb_reserve). So for example, if the skb->data address would be
0x10, this would result in 32-byte alignment (0x10 + 0x10).

Correct by adding

        64 - (skb->data & 63)

instead.

Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/via-velocity.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index 1e6b395c555..04d3836bfa5 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -1470,7 +1470,8 @@ static int velocity_alloc_rx_buf(struct velocity_info *vptr, int idx)
 	 *	Do the gymnastics to get the buffer head for data at
 	 *	64byte alignment.
 	 */
-	skb_reserve(rd_info->skb, (unsigned long) rd_info->skb->data & 63);
+	skb_reserve(rd_info->skb,
+			64 - ((unsigned long) rd_info->skb->data & 63));
 	rd_info->skb_dma = pci_map_single(vptr->pdev, rd_info->skb->data,
 					vptr->rx.buf_sz, PCI_DMA_FROMDEVICE);
 
-- 
GitLab


From 6dfc4b95b29d89dbdb45de04b1b1ff493ec8016d Mon Sep 17 00:00:00 2001
From: Simon Kagstrom <simon.kagstrom@netinsight.net>
Date: Wed, 25 Nov 2009 22:10:12 +0000
Subject: [PATCH 1532/1815] via-velocity: Add ethtool interrupt coalescing
 support

(Partially from the upstream VIA driver). Tweaking the number of
frames-per-interrupt and timer-until-interrupt can reduce the amount of
CPU work quite a lot.

Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/via-velocity.c | 160 ++++++++++++++++++++++++++++++++++++-
 drivers/net/via-velocity.h |   7 +-
 2 files changed, 165 insertions(+), 2 deletions(-)

diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index 04d3836bfa5..7c362b24270 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -1246,6 +1246,66 @@ static void mii_init(struct velocity_info *vptr, u32 mii_status)
 	}
 }
 
+/**
+ * setup_queue_timers	-	Setup interrupt timers
+ *
+ * Setup interrupt frequency during suppression (timeout if the frame
+ * count isn't filled).
+ */
+static void setup_queue_timers(struct velocity_info *vptr)
+{
+	/* Only for newer revisions */
+	if (vptr->rev_id >= REV_ID_VT3216_A0) {
+		u8 txqueue_timer = 0;
+		u8 rxqueue_timer = 0;
+
+		if (vptr->mii_status & (VELOCITY_SPEED_1000 |
+				VELOCITY_SPEED_100)) {
+			txqueue_timer = vptr->options.txqueue_timer;
+			rxqueue_timer = vptr->options.rxqueue_timer;
+		}
+
+		writeb(txqueue_timer, &vptr->mac_regs->TQETMR);
+		writeb(rxqueue_timer, &vptr->mac_regs->RQETMR);
+	}
+}
+/**
+ * setup_adaptive_interrupts  -  Setup interrupt suppression
+ *
+ * @vptr velocity adapter
+ *
+ * The velocity is able to suppress interrupt during high interrupt load.
+ * This function turns on that feature.
+ */
+static void setup_adaptive_interrupts(struct velocity_info *vptr)
+{
+	struct mac_regs __iomem *regs = vptr->mac_regs;
+	u16 tx_intsup = vptr->options.tx_intsup;
+	u16 rx_intsup = vptr->options.rx_intsup;
+
+	/* Setup default interrupt mask (will be changed below) */
+	vptr->int_mask = INT_MASK_DEF;
+
+	/* Set Tx Interrupt Suppression Threshold */
+	writeb(CAMCR_PS0, &regs->CAMCR);
+	if (tx_intsup != 0) {
+		vptr->int_mask &= ~(ISR_PTXI | ISR_PTX0I | ISR_PTX1I |
+				ISR_PTX2I | ISR_PTX3I);
+		writew(tx_intsup, &regs->ISRCTL);
+	} else
+		writew(ISRCTL_TSUPDIS, &regs->ISRCTL);
+
+	/* Set Rx Interrupt Suppression Threshold */
+	writeb(CAMCR_PS1, &regs->CAMCR);
+	if (rx_intsup != 0) {
+		vptr->int_mask &= ~ISR_PRXI;
+		writew(rx_intsup, &regs->ISRCTL);
+	} else
+		writew(ISRCTL_RSUPDIS, &regs->ISRCTL);
+
+	/* Select page to interrupt hold timer */
+	writeb(0, &regs->CAMCR);
+}
 
 /**
  *	velocity_init_registers	-	initialise MAC registers
@@ -1332,7 +1392,7 @@ static void velocity_init_registers(struct velocity_info *vptr,
 		 */
 		enable_mii_autopoll(regs);
 
-		vptr->int_mask = INT_MASK_DEF;
+		setup_adaptive_interrupts(vptr);
 
 		writel(vptr->rx.pool_dma, &regs->RDBaseLo);
 		writew(vptr->options.numrx - 1, &regs->RDCSize);
@@ -1789,6 +1849,8 @@ static void velocity_error(struct velocity_info *vptr, int status)
 				BYTE_REG_BITS_OFF(TESTCFG_HBDIS, &regs->TESTCFG);
 			else
 				BYTE_REG_BITS_ON(TESTCFG_HBDIS, &regs->TESTCFG);
+
+			setup_queue_timers(vptr);
 		}
 		/*
 		 *	Get link status from PHYSR0
@@ -3199,6 +3261,100 @@ static void velocity_set_msglevel(struct net_device *dev, u32 value)
 	 msglevel = value;
 }
 
+static int get_pending_timer_val(int val)
+{
+	int mult_bits = val >> 6;
+	int mult = 1;
+
+	switch (mult_bits)
+	{
+	case 1:
+		mult = 4; break;
+	case 2:
+		mult = 16; break;
+	case 3:
+		mult = 64; break;
+	case 0:
+	default:
+		break;
+	}
+
+	return (val & 0x3f) * mult;
+}
+
+static void set_pending_timer_val(int *val, u32 us)
+{
+	u8 mult = 0;
+	u8 shift = 0;
+
+	if (us >= 0x3f) {
+		mult = 1; /* mult with 4 */
+		shift = 2;
+	}
+	if (us >= 0x3f * 4) {
+		mult = 2; /* mult with 16 */
+		shift = 4;
+	}
+	if (us >= 0x3f * 16) {
+		mult = 3; /* mult with 64 */
+		shift = 6;
+	}
+
+	*val = (mult << 6) | ((us >> shift) & 0x3f);
+}
+
+
+static int velocity_get_coalesce(struct net_device *dev,
+		struct ethtool_coalesce *ecmd)
+{
+	struct velocity_info *vptr = netdev_priv(dev);
+
+	ecmd->tx_max_coalesced_frames = vptr->options.tx_intsup;
+	ecmd->rx_max_coalesced_frames = vptr->options.rx_intsup;
+
+	ecmd->rx_coalesce_usecs = get_pending_timer_val(vptr->options.rxqueue_timer);
+	ecmd->tx_coalesce_usecs = get_pending_timer_val(vptr->options.txqueue_timer);
+
+	return 0;
+}
+
+static int velocity_set_coalesce(struct net_device *dev,
+		struct ethtool_coalesce *ecmd)
+{
+	struct velocity_info *vptr = netdev_priv(dev);
+	int max_us = 0x3f * 64;
+
+	/* 6 bits of  */
+	if (ecmd->tx_coalesce_usecs > max_us)
+		return -EINVAL;
+	if (ecmd->rx_coalesce_usecs > max_us)
+		return -EINVAL;
+
+	if (ecmd->tx_max_coalesced_frames > 0xff)
+		return -EINVAL;
+	if (ecmd->rx_max_coalesced_frames > 0xff)
+		return -EINVAL;
+
+	vptr->options.rx_intsup = ecmd->rx_max_coalesced_frames;
+	vptr->options.tx_intsup = ecmd->tx_max_coalesced_frames;
+
+	set_pending_timer_val(&vptr->options.rxqueue_timer,
+			ecmd->rx_coalesce_usecs);
+	set_pending_timer_val(&vptr->options.txqueue_timer,
+			ecmd->tx_coalesce_usecs);
+
+	/* Setup the interrupt suppression and queue timers */
+	mac_disable_int(vptr->mac_regs);
+	setup_adaptive_interrupts(vptr);
+	setup_queue_timers(vptr);
+
+	mac_write_int_mask(vptr->int_mask, vptr->mac_regs);
+	mac_clear_isr(vptr->mac_regs);
+	mac_enable_int(vptr->mac_regs);
+
+	return 0;
+}
+
 static const struct ethtool_ops velocity_ethtool_ops = {
 	.get_settings	=	velocity_get_settings,
 	.set_settings	=	velocity_set_settings,
@@ -3208,6 +3364,8 @@ static const struct ethtool_ops velocity_ethtool_ops = {
 	.get_msglevel	=	velocity_get_msglevel,
 	.set_msglevel	=	velocity_set_msglevel,
 	.get_link	=	velocity_get_link,
+	.get_coalesce	=	velocity_get_coalesce,
+	.set_coalesce	=	velocity_set_coalesce,
 	.begin		=	velocity_ethtool_up,
 	.complete	=	velocity_ethtool_down
 };
diff --git a/drivers/net/via-velocity.h b/drivers/net/via-velocity.h
index ce894ffa7c9..499da64773e 100644
--- a/drivers/net/via-velocity.h
+++ b/drivers/net/via-velocity.h
@@ -1005,7 +1005,8 @@ struct mac_regs {
 
 	volatile __le32 RDBaseLo;	/* 0x38 */
 	volatile __le16 RDIdx;		/* 0x3C */
-	volatile __le16 reserved_3E;
+	volatile u8 TQETMR;		/* 0x3E, VT3216 and above only */
+	volatile u8 RQETMR;		/* 0x3F, VT3216 and above only */
 
 	volatile __le32 TDBaseLo[4];	/* 0x40 */
 
@@ -1491,6 +1492,10 @@ struct velocity_opt {
 	int rx_bandwidth_hi;
 	int rx_bandwidth_lo;
 	int rx_bandwidth_en;
+	int rxqueue_timer;
+	int txqueue_timer;
+	int tx_intsup;
+	int rx_intsup;
 	u32 flags;
 };
 
-- 
GitLab


From dfff7144b14bab3d8baaeba8926fab371fa4a01e Mon Sep 17 00:00:00 2001
From: Simon Kagstrom <simon.kagstrom@netinsight.net>
Date: Wed, 25 Nov 2009 22:10:26 +0000
Subject: [PATCH 1533/1815] via-velocity: Implement NAPI support

This patch adds NAPI support for VIA velocity. The new velocity_poll
function also pairs tx/rx handling twice which improves perforamance on
some workloads (e.g., netperf UDP_STREAM) significantly (that part is
from the VIA driver).

Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/via-velocity.c | 81 ++++++++++++++++++++++----------------
 drivers/net/via-velocity.h |  3 ++
 2 files changed, 49 insertions(+), 35 deletions(-)

diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index 7c362b24270..47b28821589 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -354,12 +354,6 @@ VELOCITY_PARAM(ValPktLen, "Receiving or Drop invalid 802.3 frame");
 */
 VELOCITY_PARAM(wol_opts, "Wake On Lan options");
 
-#define INT_WORKS_DEF   20
-#define INT_WORKS_MIN   10
-#define INT_WORKS_MAX   64
-
-VELOCITY_PARAM(int_works, "Number of packets per interrupt services");
-
 static int rx_copybreak = 200;
 module_param(rx_copybreak, int, 0644);
 MODULE_PARM_DESC(rx_copybreak, "Copy breakpoint for copy-only-tiny-frames");
@@ -503,7 +497,6 @@ static void __devinit velocity_get_options(struct velocity_opt *opts, int index,
 	velocity_set_bool_opt(&opts->flags, ValPktLen[index], VAL_PKT_LEN_DEF, VELOCITY_FLAGS_VAL_PKT_LEN, "ValPktLen", devname);
 	velocity_set_int_opt((int *) &opts->spd_dpx, speed_duplex[index], MED_LNK_MIN, MED_LNK_MAX, MED_LNK_DEF, "Media link mode", devname);
 	velocity_set_int_opt((int *) &opts->wol_opts, wol_opts[index], WOL_OPT_MIN, WOL_OPT_MAX, WOL_OPT_DEF, "Wake On Lan options", devname);
-	velocity_set_int_opt((int *) &opts->int_works, int_works[index], INT_WORKS_MIN, INT_WORKS_MAX, INT_WORKS_DEF, "Interrupt service works", devname);
 	opts->numrx = (opts->numrx & ~3);
 }
 
@@ -2109,13 +2102,14 @@ static int velocity_receive_frame(struct velocity_info *vptr, int idx)
  *	any received packets from the receive queue. Hand the ring
  *	slots back to the adapter for reuse.
  */
-static int velocity_rx_srv(struct velocity_info *vptr, int status)
+static int velocity_rx_srv(struct velocity_info *vptr, int status,
+		int budget_left)
 {
 	struct net_device_stats *stats = &vptr->dev->stats;
 	int rd_curr = vptr->rx.curr;
 	int works = 0;
 
-	do {
+	while (works < budget_left) {
 		struct rx_desc *rd = vptr->rx.ring + rd_curr;
 
 		if (!vptr->rx.info[rd_curr].skb)
@@ -2146,7 +2140,8 @@ static int velocity_rx_srv(struct velocity_info *vptr, int status)
 		rd_curr++;
 		if (rd_curr >= vptr->options.numrx)
 			rd_curr = 0;
-	} while (++works <= 15);
+		works++;
+	}
 
 	vptr->rx.curr = rd_curr;
 
@@ -2157,6 +2152,40 @@ static int velocity_rx_srv(struct velocity_info *vptr, int status)
 	return works;
 }
 
+static int velocity_poll(struct napi_struct *napi, int budget)
+{
+	struct velocity_info *vptr = container_of(napi,
+			struct velocity_info, napi);
+	unsigned int rx_done;
+	u32 isr_status;
+
+	spin_lock(&vptr->lock);
+	isr_status = mac_read_isr(vptr->mac_regs);
+
+	/* Ack the interrupt */
+	mac_write_isr(vptr->mac_regs, isr_status);
+	if (isr_status & (~(ISR_PRXI | ISR_PPRXI | ISR_PTXI | ISR_PPTXI)))
+		velocity_error(vptr, isr_status);
+
+	/*
+	 * Do rx and tx twice for performance (taken from the VIA
+	 * out-of-tree driver).
+	 */
+	rx_done = velocity_rx_srv(vptr, isr_status, budget / 2);
+	velocity_tx_srv(vptr, isr_status);
+	rx_done += velocity_rx_srv(vptr, isr_status, budget - rx_done);
+	velocity_tx_srv(vptr, isr_status);
+
+	spin_unlock(&vptr->lock);
+
+	/* If budget not fully consumed, exit the polling mode */
+	if (rx_done < budget) {
+		napi_complete(napi);
+		mac_enable_int(vptr->mac_regs);
+	}
+
+	return rx_done;
+}
 
 /**
  *	velocity_intr		-	interrupt callback
@@ -2173,8 +2202,6 @@ static irqreturn_t velocity_intr(int irq, void *dev_instance)
 	struct net_device *dev = dev_instance;
 	struct velocity_info *vptr = netdev_priv(dev);
 	u32 isr_status;
-	int max_count = 0;
-
 
 	spin_lock(&vptr->lock);
 	isr_status = mac_read_isr(vptr->mac_regs);
@@ -2185,32 +2212,13 @@ static irqreturn_t velocity_intr(int irq, void *dev_instance)
 		return IRQ_NONE;
 	}
 
-	mac_disable_int(vptr->mac_regs);
-
-	/*
-	 *	Keep processing the ISR until we have completed
-	 *	processing and the isr_status becomes zero
-	 */
-
-	while (isr_status != 0) {
-		mac_write_isr(vptr->mac_regs, isr_status);
-		if (isr_status & (~(ISR_PRXI | ISR_PPRXI | ISR_PTXI | ISR_PPTXI)))
-			velocity_error(vptr, isr_status);
-		if (isr_status & (ISR_PRXI | ISR_PPRXI))
-			max_count += velocity_rx_srv(vptr, isr_status);
-		if (isr_status & (ISR_PTXI | ISR_PPTXI))
-			max_count += velocity_tx_srv(vptr, isr_status);
-		isr_status = mac_read_isr(vptr->mac_regs);
-		if (max_count > vptr->options.int_works) {
-			printk(KERN_WARNING "%s: excessive work at interrupt.\n",
-				dev->name);
-			max_count = 0;
-		}
+	if (likely(napi_schedule_prep(&vptr->napi))) {
+		mac_disable_int(vptr->mac_regs);
+		__napi_schedule(&vptr->napi);
 	}
 	spin_unlock(&vptr->lock);
-	mac_enable_int(vptr->mac_regs);
-	return IRQ_HANDLED;
 
+	return IRQ_HANDLED;
 }
 
 /**
@@ -2250,6 +2258,7 @@ static int velocity_open(struct net_device *dev)
 
 	mac_enable_int(vptr->mac_regs);
 	netif_start_queue(dev);
+	napi_enable(&vptr->napi);
 	vptr->flags |= VELOCITY_FLAGS_OPENED;
 out:
 	return ret;
@@ -2485,6 +2494,7 @@ static int velocity_close(struct net_device *dev)
 {
 	struct velocity_info *vptr = netdev_priv(dev);
 
+	napi_disable(&vptr->napi);
 	netif_stop_queue(dev);
 	velocity_shutdown(vptr);
 
@@ -2803,6 +2813,7 @@ static int __devinit velocity_found1(struct pci_dev *pdev, const struct pci_devi
 	dev->irq = pdev->irq;
 	dev->netdev_ops = &velocity_netdev_ops;
 	dev->ethtool_ops = &velocity_ethtool_ops;
+	netif_napi_add(dev, &vptr->napi, velocity_poll, VELOCITY_NAPI_WEIGHT);
 
 	dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_FILTER |
 		NETIF_F_HW_VLAN_RX;
diff --git a/drivers/net/via-velocity.h b/drivers/net/via-velocity.h
index 499da64773e..d37a3032931 100644
--- a/drivers/net/via-velocity.h
+++ b/drivers/net/via-velocity.h
@@ -32,6 +32,7 @@
 #define VELOCITY_VERSION       "1.14"
 
 #define VELOCITY_IO_SIZE	256
+#define VELOCITY_NAPI_WEIGHT	64
 
 #define PKT_BUF_SZ          1540
 
@@ -1562,6 +1563,8 @@ struct velocity_info {
 	u32 ticks;
 
 	u8 rev_id;
+
+	struct napi_struct napi;
 };
 
 /**
-- 
GitLab


From 2a5774f7d8b79243542d932a3a476f496d03f0ba Mon Sep 17 00:00:00 2001
From: Simon Kagstrom <simon.kagstrom@netinsight.net>
Date: Wed, 25 Nov 2009 22:10:34 +0000
Subject: [PATCH 1534/1815] via-velocity: Change DMA_LENGTH_DEF (from the VIA
 driver)

The VIA driver has changed the default for the DMA_LENGTH_DEF parameter.
Together with adaptive interrupt supression and NAPI support, this
improves performance quite a bit

Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/via-velocity.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index 47b28821589..10c4fb25fb4 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -275,7 +275,7 @@ VELOCITY_PARAM(rx_thresh, "Receive fifo threshold");
 
 #define DMA_LENGTH_MIN  0
 #define DMA_LENGTH_MAX  7
-#define DMA_LENGTH_DEF  0
+#define DMA_LENGTH_DEF  6
 
 /* DMA_length[] is used for controlling the DMA length
    0: 8 DWORDs
-- 
GitLab


From c79992fddee28bbd31b35ac297e1068d32930179 Mon Sep 17 00:00:00 2001
From: Simon Kagstrom <simon.kagstrom@netinsight.net>
Date: Wed, 25 Nov 2009 22:10:43 +0000
Subject: [PATCH 1535/1815] via-velocity: Re-enable transmit scatter-gather
 support

The velocity hardware can handle up to 7 memory segments. This can be
turned on and off via ethtool. The support was removed in commit

  83c98a8cd04dd0f848574370594886ba3bf56750

but is re-enabled and cleaned up here. It's off by default.

Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/via-velocity.c | 83 ++++++++++++++++++++++++--------------
 1 file changed, 53 insertions(+), 30 deletions(-)

diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index 10c4fb25fb4..a8009c217bd 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -9,7 +9,6 @@
  *
  * TODO
  *	rx_copybreak/alignment
- *	Scatter gather
  *	More testing
  *
  * The changes are (c) Copyright 2004, Red Hat Inc. <alan@lxorguk.ukuu.org.uk>
@@ -1643,12 +1642,10 @@ out:
  */
 static int velocity_init_td_ring(struct velocity_info *vptr)
 {
-	dma_addr_t curr;
 	int j;
 
 	/* Init the TD ring entries */
 	for (j = 0; j < vptr->tx.numq; j++) {
-		curr = vptr->tx.pool_dma[j];
 
 		vptr->tx.infos[j] = kcalloc(vptr->options.numtx,
 					    sizeof(struct velocity_td_info),
@@ -1714,21 +1711,27 @@ err_free_dma_rings_0:
  *	Release an transmit buffer. If the buffer was preallocated then
  *	recycle it, if not then unmap the buffer.
  */
-static void velocity_free_tx_buf(struct velocity_info *vptr, struct velocity_td_info *tdinfo)
+static void velocity_free_tx_buf(struct velocity_info *vptr,
+		struct velocity_td_info *tdinfo, struct tx_desc *td)
 {
 	struct sk_buff *skb = tdinfo->skb;
-	int i;
-	int pktlen;
 
 	/*
 	 *	Don't unmap the pre-allocated tx_bufs
 	 */
 	if (tdinfo->skb_dma) {
+		int i;
 
-		pktlen = max_t(unsigned int, skb->len, ETH_ZLEN);
 		for (i = 0; i < tdinfo->nskb_dma; i++) {
-			pci_unmap_single(vptr->pdev, tdinfo->skb_dma[i], pktlen, PCI_DMA_TODEVICE);
-			tdinfo->skb_dma[i] = 0;
+			size_t pktlen = max_t(size_t, skb->len, ETH_ZLEN);
+
+			/* For scatter-gather */
+			if (skb_shinfo(skb)->nr_frags > 0)
+				pktlen = max_t(size_t, pktlen,
+						td->td_buf[i].size & ~TD_QUEUE);
+
+			pci_unmap_single(vptr->pdev, tdinfo->skb_dma[i],
+					le16_to_cpu(pktlen), PCI_DMA_TODEVICE);
 		}
 	}
 	dev_kfree_skb_irq(skb);
@@ -1930,7 +1933,7 @@ static int velocity_tx_srv(struct velocity_info *vptr, u32 status)
 				stats->tx_packets++;
 				stats->tx_bytes += tdinfo->skb->len;
 			}
-			velocity_free_tx_buf(vptr, tdinfo);
+			velocity_free_tx_buf(vptr, tdinfo, td);
 			vptr->tx.used[qnum]--;
 		}
 		vptr->tx.tail[qnum] = idx;
@@ -2529,14 +2532,22 @@ static netdev_tx_t velocity_xmit(struct sk_buff *skb,
 	struct velocity_td_info *tdinfo;
 	unsigned long flags;
 	int pktlen;
-	__le16 len;
-	int index;
+	int index, prev;
+	int i = 0;
 
 	if (skb_padto(skb, ETH_ZLEN))
 		goto out;
-	pktlen = max_t(unsigned int, skb->len, ETH_ZLEN);
 
-	len = cpu_to_le16(pktlen);
+	/* The hardware can handle at most 7 memory segments, so merge
+	 * the skb if there are more */
+	if (skb_shinfo(skb)->nr_frags > 6 && __skb_linearize(skb)) {
+		kfree_skb(skb);
+		return NETDEV_TX_OK;
+	}
+
+	pktlen = skb_shinfo(skb)->nr_frags == 0 ?
+			max_t(unsigned int, skb->len, ETH_ZLEN) :
+				skb_headlen(skb);
 
 	spin_lock_irqsave(&vptr->lock, flags);
 
@@ -2553,11 +2564,24 @@ static netdev_tx_t velocity_xmit(struct sk_buff *skb,
 	 */
 	tdinfo->skb = skb;
 	tdinfo->skb_dma[0] = pci_map_single(vptr->pdev, skb->data, pktlen, PCI_DMA_TODEVICE);
-	td_ptr->tdesc0.len = len;
+	td_ptr->tdesc0.len = cpu_to_le16(pktlen);
 	td_ptr->td_buf[0].pa_low = cpu_to_le32(tdinfo->skb_dma[0]);
 	td_ptr->td_buf[0].pa_high = 0;
-	td_ptr->td_buf[0].size = len;
-	tdinfo->nskb_dma = 1;
+	td_ptr->td_buf[0].size = cpu_to_le16(pktlen);
+
+	/* Handle fragments */
+	for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
+		skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
+
+		tdinfo->skb_dma[i + 1] = pci_map_page(vptr->pdev, frag->page,
+				frag->page_offset, frag->size,
+				PCI_DMA_TODEVICE);
+
+		td_ptr->td_buf[i + 1].pa_low = cpu_to_le32(tdinfo->skb_dma[i + 1]);
+		td_ptr->td_buf[i + 1].pa_high = 0;
+		td_ptr->td_buf[i + 1].size = cpu_to_le16(frag->size);
+	}
+	tdinfo->nskb_dma = i + 1;
 
 	td_ptr->tdesc1.cmd = TCPLS_NORMAL + (tdinfo->nskb_dma + 1) * 16;
 
@@ -2578,23 +2602,21 @@ static netdev_tx_t velocity_xmit(struct sk_buff *skb,
 			td_ptr->tdesc1.TCR |= (TCR0_UDPCK);
 		td_ptr->tdesc1.TCR |= TCR0_IPCK;
 	}
-	{
 
-		int prev = index - 1;
+	prev = index - 1;
+	if (prev < 0)
+		prev = vptr->options.numtx - 1;
+	td_ptr->tdesc0.len |= OWNED_BY_NIC;
+	vptr->tx.used[qnum]++;
+	vptr->tx.curr[qnum] = (index + 1) % vptr->options.numtx;
 
-		if (prev < 0)
-			prev = vptr->options.numtx - 1;
-		td_ptr->tdesc0.len |= OWNED_BY_NIC;
-		vptr->tx.used[qnum]++;
-		vptr->tx.curr[qnum] = (index + 1) % vptr->options.numtx;
+	if (AVAIL_TD(vptr, qnum) < 1)
+		netif_stop_queue(dev);
 
-		if (AVAIL_TD(vptr, qnum) < 1)
-			netif_stop_queue(dev);
+	td_ptr = &(vptr->tx.rings[qnum][prev]);
+	td_ptr->td_buf[0].size |= TD_QUEUE;
+	mac_tx_queue_wake(vptr->mac_regs, qnum);
 
-		td_ptr = &(vptr->tx.rings[qnum][prev]);
-		td_ptr->td_buf[0].size |= TD_QUEUE;
-		mac_tx_queue_wake(vptr->mac_regs, qnum);
-	}
 	dev->trans_start = jiffies;
 	spin_unlock_irqrestore(&vptr->lock, flags);
 out:
@@ -3374,6 +3396,7 @@ static const struct ethtool_ops velocity_ethtool_ops = {
 	.set_wol	=	velocity_ethtool_set_wol,
 	.get_msglevel	=	velocity_get_msglevel,
 	.set_msglevel	=	velocity_set_msglevel,
+	.set_sg 	=	ethtool_op_set_sg,
 	.get_link	=	velocity_get_link,
 	.get_coalesce	=	velocity_get_coalesce,
 	.set_coalesce	=	velocity_set_coalesce,
-- 
GitLab


From b06f78f4d06988aca2353fba6376c25726d7e236 Mon Sep 17 00:00:00 2001
From: Simon Kagstrom <simon.kagstrom@netinsight.net>
Date: Wed, 25 Nov 2009 22:10:52 +0000
Subject: [PATCH 1536/1815] via-velocity: Set tx checksum from ethtool instead
 of module parameter

Defaults to on (as before).

Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/via-velocity.c | 18 ++++--------------
 drivers/net/via-velocity.h |  1 -
 2 files changed, 4 insertions(+), 15 deletions(-)

diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index a8009c217bd..d4eac2a1442 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -297,14 +297,6 @@ VELOCITY_PARAM(DMA_length, "DMA length");
 */
 VELOCITY_PARAM(IP_byte_align, "Enable IP header dword aligned");
 
-#define TX_CSUM_DEF     1
-/* txcsum_offload[] is used for setting the checksum offload ability of NIC.
-   (We only support RX checksum offload now)
-   0: disable csum_offload[checksum offload
-   1: enable checksum offload. (Default)
-*/
-VELOCITY_PARAM(txcsum_offload, "Enable transmit packet checksum offload");
-
 #define FLOW_CNTL_DEF   1
 #define FLOW_CNTL_MIN   1
 #define FLOW_CNTL_MAX   5
@@ -490,7 +482,6 @@ static void __devinit velocity_get_options(struct velocity_opt *opts, int index,
 	velocity_set_int_opt(&opts->numrx, RxDescriptors[index], RX_DESC_MIN, RX_DESC_MAX, RX_DESC_DEF, "RxDescriptors", devname);
 	velocity_set_int_opt(&opts->numtx, TxDescriptors[index], TX_DESC_MIN, TX_DESC_MAX, TX_DESC_DEF, "TxDescriptors", devname);
 
-	velocity_set_bool_opt(&opts->flags, txcsum_offload[index], TX_CSUM_DEF, VELOCITY_FLAGS_TX_CSUM, "txcsum_offload", devname);
 	velocity_set_int_opt(&opts->flow_cntl, flow_control[index], FLOW_CNTL_MIN, FLOW_CNTL_MAX, FLOW_CNTL_DEF, "flow_control", devname);
 	velocity_set_bool_opt(&opts->flags, IP_byte_align[index], IP_ALIG_DEF, VELOCITY_FLAGS_IP_ALIGN, "IP_byte_align", devname);
 	velocity_set_bool_opt(&opts->flags, ValPktLen[index], VAL_PKT_LEN_DEF, VELOCITY_FLAGS_VAL_PKT_LEN, "ValPktLen", devname);
@@ -2593,7 +2584,7 @@ static netdev_tx_t velocity_xmit(struct sk_buff *skb,
 	/*
 	 *	Handle hardware checksum
 	 */
-	if ((vptr->flags & VELOCITY_FLAGS_TX_CSUM)
+	if ( (dev->features & NETIF_F_IP_CSUM)
 				 && (skb->ip_summed == CHECKSUM_PARTIAL)) {
 		const struct iphdr *ip = ip_hdr(skb);
 		if (ip->protocol == IPPROTO_TCP)
@@ -2838,10 +2829,7 @@ static int __devinit velocity_found1(struct pci_dev *pdev, const struct pci_devi
 	netif_napi_add(dev, &vptr->napi, velocity_poll, VELOCITY_NAPI_WEIGHT);
 
 	dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_FILTER |
-		NETIF_F_HW_VLAN_RX;
-
-	if (vptr->flags & VELOCITY_FLAGS_TX_CSUM)
-		dev->features |= NETIF_F_IP_CSUM;
+		NETIF_F_HW_VLAN_RX | NETIF_F_IP_CSUM;
 
 	ret = register_netdev(dev);
 	if (ret < 0)
@@ -3392,6 +3380,8 @@ static const struct ethtool_ops velocity_ethtool_ops = {
 	.get_settings	=	velocity_get_settings,
 	.set_settings	=	velocity_set_settings,
 	.get_drvinfo	=	velocity_get_drvinfo,
+	.set_tx_csum	=	ethtool_op_set_tx_csum,
+	.get_tx_csum	=	ethtool_op_get_tx_csum,
 	.get_wol	=	velocity_ethtool_get_wol,
 	.set_wol	=	velocity_ethtool_set_wol,
 	.get_msglevel	=	velocity_get_msglevel,
diff --git a/drivers/net/via-velocity.h b/drivers/net/via-velocity.h
index d37a3032931..4e28fd6fb36 100644
--- a/drivers/net/via-velocity.h
+++ b/drivers/net/via-velocity.h
@@ -1423,7 +1423,6 @@ enum velocity_msg_level {
  */
 
 #define     VELOCITY_FLAGS_TAGGING         0x00000001UL
-#define     VELOCITY_FLAGS_TX_CSUM         0x00000002UL
 #define     VELOCITY_FLAGS_RX_CSUM         0x00000004UL
 #define     VELOCITY_FLAGS_IP_ALIGN        0x00000008UL
 #define     VELOCITY_FLAGS_VAL_PKT_LEN     0x00000010UL
-- 
GitLab


From 1bda8aa86b89d4c9b668000127ff87172f2daa10 Mon Sep 17 00:00:00 2001
From: Simon Kagstrom <simon.kagstrom@netinsight.net>
Date: Wed, 25 Nov 2009 22:10:59 +0000
Subject: [PATCH 1537/1815] via-velocity: Bump version

Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/via-velocity.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/via-velocity.h b/drivers/net/via-velocity.h
index 4e28fd6fb36..ef4a0f64ba1 100644
--- a/drivers/net/via-velocity.h
+++ b/drivers/net/via-velocity.h
@@ -29,7 +29,7 @@
 
 #define VELOCITY_NAME          "via-velocity"
 #define VELOCITY_FULL_DRV_NAM  "VIA Networking Velocity Family Gigabit Ethernet Adapter Driver"
-#define VELOCITY_VERSION       "1.14"
+#define VELOCITY_VERSION       "1.15"
 
 #define VELOCITY_IO_SIZE	256
 #define VELOCITY_NAPI_WEIGHT	64
-- 
GitLab


From 445409602c09219767c06497c0dc2285eac244ed Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Thu, 26 Nov 2009 06:07:08 +0000
Subject: [PATCH 1538/1815] veth: move loopback logic to common location

The veth driver contains code to forward an skb
from the start_xmit function of one network
device into the receive path of another device.

Moving that code into a common location lets us
reuse the code for direct forwarding of data
between macvlan ports, and possibly in other
drivers.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/veth.c        | 17 +++--------------
 include/linux/netdevice.h |  2 ++
 net/core/dev.c            | 40 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 45 insertions(+), 14 deletions(-)

diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index 2d657f2314c..6c4b5a2d787 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -155,8 +155,6 @@ static netdev_tx_t veth_xmit(struct sk_buff *skb, struct net_device *dev)
 	struct veth_net_stats *stats, *rcv_stats;
 	int length, cpu;
 
-	skb_orphan(skb);
-
 	priv = netdev_priv(dev);
 	rcv = priv->peer;
 	rcv_priv = netdev_priv(rcv);
@@ -168,20 +166,12 @@ static netdev_tx_t veth_xmit(struct sk_buff *skb, struct net_device *dev)
 	if (!(rcv->flags & IFF_UP))
 		goto tx_drop;
 
-	if (skb->len > (rcv->mtu + MTU_PAD))
-		goto rx_drop;
-
-        skb->tstamp.tv64 = 0;
-	skb->pkt_type = PACKET_HOST;
-	skb->protocol = eth_type_trans(skb, rcv);
 	if (dev->features & NETIF_F_NO_CSUM)
 		skb->ip_summed = rcv_priv->ip_summed;
 
-	skb->mark = 0;
-	secpath_reset(skb);
-	nf_reset(skb);
-
-	length = skb->len;
+	length = skb->len + ETH_HLEN;
+	if (dev_forward_skb(rcv, skb) != NET_RX_SUCCESS)
+		goto rx_drop;
 
 	stats->tx_bytes += length;
 	stats->tx_packets++;
@@ -189,7 +179,6 @@ static netdev_tx_t veth_xmit(struct sk_buff *skb, struct net_device *dev)
 	rcv_stats->rx_bytes += length;
 	rcv_stats->rx_packets++;
 
-	netif_rx(skb);
 	return NETDEV_TX_OK;
 
 tx_drop:
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 97873e31661..9428793775a 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1562,6 +1562,8 @@ extern int		dev_set_mac_address(struct net_device *,
 extern int		dev_hard_start_xmit(struct sk_buff *skb,
 					    struct net_device *dev,
 					    struct netdev_queue *txq);
+extern int		dev_forward_skb(struct net_device *dev,
+					struct sk_buff *skb);
 
 extern int		netdev_budget;
 
diff --git a/net/core/dev.c b/net/core/dev.c
index e65af604141..7775e8b48de 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -105,6 +105,7 @@
 #include <net/dst.h>
 #include <net/pkt_sched.h>
 #include <net/checksum.h>
+#include <net/xfrm.h>
 #include <linux/highmem.h>
 #include <linux/init.h>
 #include <linux/kmod.h>
@@ -1419,6 +1420,45 @@ static inline void net_timestamp(struct sk_buff *skb)
 		skb->tstamp.tv64 = 0;
 }
 
+/**
+ * dev_forward_skb - loopback an skb to another netif
+ *
+ * @dev: destination network device
+ * @skb: buffer to forward
+ *
+ * return values:
+ *	NET_RX_SUCCESS	(no congestion)
+ *	NET_RX_DROP     (packet was dropped)
+ *
+ * dev_forward_skb can be used for injecting an skb from the
+ * start_xmit function of one device into the receive queue
+ * of another device.
+ *
+ * The receiving device may be in another namespace, so
+ * we have to clear all information in the skb that could
+ * impact namespace isolation.
+ */
+int dev_forward_skb(struct net_device *dev, struct sk_buff *skb)
+{
+	skb_orphan(skb);
+
+	if (!(dev->flags & IFF_UP))
+		return NET_RX_DROP;
+
+	if (skb->len > (dev->mtu + dev->hard_header_len))
+		return NET_RX_DROP;
+
+	skb_dst_drop(skb);
+	skb->tstamp.tv64 = 0;
+	skb->pkt_type = PACKET_HOST;
+	skb->protocol = eth_type_trans(skb, dev);
+	skb->mark = 0;
+	secpath_reset(skb);
+	nf_reset(skb);
+	return netif_rx(skb);
+}
+EXPORT_SYMBOL_GPL(dev_forward_skb);
+
 /*
  *	Support routine. Sends outgoing frames to any network
  *	taps currently in use.
-- 
GitLab


From a1e514c5d0397b5581721aad9b303f7df83b103d Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Thu, 26 Nov 2009 06:07:09 +0000
Subject: [PATCH 1539/1815] macvlan: cleanup rx statistics

We have very similar code for rx statistics in
two places in the macvlan driver, with a third
one being added in the next patch.

Consolidate them into one function to improve
overall readability of the driver.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/macvlan.c | 70 +++++++++++++++++++++++++------------------
 1 file changed, 41 insertions(+), 29 deletions(-)

diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index ae2b5c79c55..1e7faf9e87b 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -116,42 +116,58 @@ static int macvlan_addr_busy(const struct macvlan_port *port,
 	return 0;
 }
 
+static inline void macvlan_count_rx(const struct macvlan_dev *vlan,
+				    unsigned int len, bool success,
+				    bool multicast)
+{
+	struct macvlan_rx_stats *rx_stats;
+
+	rx_stats = per_cpu_ptr(vlan->rx_stats, smp_processor_id());
+	if (likely(success)) {
+		rx_stats->rx_packets++;;
+		rx_stats->rx_bytes += len;
+		if (multicast)
+			rx_stats->multicast++;
+	} else {
+		rx_stats->rx_errors++;
+	}
+}
+
+static int macvlan_broadcast_one(struct sk_buff *skb, struct net_device *dev,
+				 const struct ethhdr *eth)
+{
+	if (!skb)
+		return NET_RX_DROP;
+
+	skb->dev = dev;
+	if (!compare_ether_addr_64bits(eth->h_dest,
+				       dev->broadcast))
+		skb->pkt_type = PACKET_BROADCAST;
+	else
+		skb->pkt_type = PACKET_MULTICAST;
+
+	return netif_rx(skb);
+}
+
 static void macvlan_broadcast(struct sk_buff *skb,
 			      const struct macvlan_port *port)
 {
 	const struct ethhdr *eth = eth_hdr(skb);
 	const struct macvlan_dev *vlan;
 	struct hlist_node *n;
-	struct net_device *dev;
 	struct sk_buff *nskb;
 	unsigned int i;
-	struct macvlan_rx_stats *rx_stats;
+	int err;
 
 	if (skb->protocol == htons(ETH_P_PAUSE))
 		return;
 
 	for (i = 0; i < MACVLAN_HASH_SIZE; i++) {
 		hlist_for_each_entry_rcu(vlan, n, &port->vlan_hash[i], hlist) {
-			dev = vlan->dev;
-			rx_stats = per_cpu_ptr(vlan->rx_stats, smp_processor_id());
-
 			nskb = skb_clone(skb, GFP_ATOMIC);
-			if (nskb == NULL) {
-				rx_stats->rx_errors++;
-				continue;
-			}
-
-			rx_stats->rx_bytes += skb->len + ETH_HLEN;
-			rx_stats->rx_packets++;
-			rx_stats->multicast++;
-
-			nskb->dev = dev;
-			if (!compare_ether_addr_64bits(eth->h_dest, dev->broadcast))
-				nskb->pkt_type = PACKET_BROADCAST;
-			else
-				nskb->pkt_type = PACKET_MULTICAST;
-
-			netif_rx(nskb);
+			err = macvlan_broadcast_one(nskb, vlan->dev, eth);
+			macvlan_count_rx(vlan, skb->len + ETH_HLEN,
+					 err == NET_RX_SUCCESS, 1);
 		}
 	}
 }
@@ -163,7 +179,7 @@ static struct sk_buff *macvlan_handle_frame(struct sk_buff *skb)
 	const struct macvlan_port *port;
 	const struct macvlan_dev *vlan;
 	struct net_device *dev;
-	struct macvlan_rx_stats *rx_stats;
+	unsigned int len;
 
 	port = rcu_dereference(skb->dev->macvlan_port);
 	if (port == NULL)
@@ -183,15 +199,11 @@ static struct sk_buff *macvlan_handle_frame(struct sk_buff *skb)
 		kfree_skb(skb);
 		return NULL;
 	}
-	rx_stats = per_cpu_ptr(vlan->rx_stats, smp_processor_id());
+	len = skb->len + ETH_HLEN;
 	skb = skb_share_check(skb, GFP_ATOMIC);
-	if (skb == NULL) {
-		rx_stats->rx_errors++;
+	macvlan_count_rx(vlan, len, skb != NULL, 0);
+	if (!skb)
 		return NULL;
-	}
-
-	rx_stats->rx_bytes += skb->len + ETH_HLEN;
-	rx_stats->rx_packets++;
 
 	skb->dev = dev;
 	skb->pkt_type = PACKET_HOST;
-- 
GitLab


From 618e1b7482f7a8a4c6c6e8ccbe140e4c331df4e9 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Thu, 26 Nov 2009 06:07:10 +0000
Subject: [PATCH 1540/1815] macvlan: implement bridge, VEPA and private mode

This allows each macvlan slave device to be in one
of three modes, depending on the use case:

MACVLAN_PRIVATE:
  The device never communicates with any other device
  on the same upper_dev. This even includes frames
  coming back from a reflective relay, where supported
  by the adjacent bridge.

MACVLAN_VEPA:
  The new Virtual Ethernet Port Aggregator (VEPA) mode,
  we assume that the adjacent bridge returns all frames
  where both source and destination are local to the
  macvlan port, i.e. the bridge is set up as a reflective
  relay.
  Broadcast frames coming in from the upper_dev get
  flooded to all macvlan interfaces in VEPA mode.
  We never deliver any frames locally.

MACVLAN_BRIDGE:
  We provide the behavior of a simple bridge between
  different macvlan interfaces on the same port. Frames
  from one interface to another one get delivered directly
  and are not sent out externally. Broadcast frames get
  flooded to all other bridge ports and to the external
  interface, but when they come back from a reflective
  relay, we don't deliver them again.
  Since we know all the MAC addresses, the macvlan bridge
  mode does not require learning or STP like the bridge
  module does.

Based on an earlier patch "macvlan: Reflect macvlan packets
meant for other macvlan devices" by Eric Biederman.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Patrick McHardy <kaber@trash.net>
Cc: Eric Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/macvlan.c | 80 ++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 72 insertions(+), 8 deletions(-)

diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 1e7faf9e87b..d6bd84353f4 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -29,9 +29,16 @@
 #include <linux/if_link.h>
 #include <linux/if_macvlan.h>
 #include <net/rtnetlink.h>
+#include <net/xfrm.h>
 
 #define MACVLAN_HASH_SIZE	(1 << BITS_PER_BYTE)
 
+enum macvlan_mode {
+	MACVLAN_MODE_PRIVATE	= 1,
+	MACVLAN_MODE_VEPA	= 2,
+	MACVLAN_MODE_BRIDGE	= 4,
+};
+
 struct macvlan_port {
 	struct net_device	*dev;
 	struct hlist_head	vlan_hash[MACVLAN_HASH_SIZE];
@@ -59,6 +66,7 @@ struct macvlan_dev {
 	struct macvlan_port	*port;
 	struct net_device	*lowerdev;
 	struct macvlan_rx_stats *rx_stats;
+	enum macvlan_mode	mode;
 };
 
 
@@ -134,11 +142,14 @@ static inline void macvlan_count_rx(const struct macvlan_dev *vlan,
 }
 
 static int macvlan_broadcast_one(struct sk_buff *skb, struct net_device *dev,
-				 const struct ethhdr *eth)
+				 const struct ethhdr *eth, bool local)
 {
 	if (!skb)
 		return NET_RX_DROP;
 
+	if (local)
+		return dev_forward_skb(dev, skb);
+
 	skb->dev = dev;
 	if (!compare_ether_addr_64bits(eth->h_dest,
 				       dev->broadcast))
@@ -150,7 +161,9 @@ static int macvlan_broadcast_one(struct sk_buff *skb, struct net_device *dev,
 }
 
 static void macvlan_broadcast(struct sk_buff *skb,
-			      const struct macvlan_port *port)
+			      const struct macvlan_port *port,
+			      struct net_device *src,
+			      enum macvlan_mode mode)
 {
 	const struct ethhdr *eth = eth_hdr(skb);
 	const struct macvlan_dev *vlan;
@@ -164,8 +177,12 @@ static void macvlan_broadcast(struct sk_buff *skb,
 
 	for (i = 0; i < MACVLAN_HASH_SIZE; i++) {
 		hlist_for_each_entry_rcu(vlan, n, &port->vlan_hash[i], hlist) {
+			if (vlan->dev == src || !(vlan->mode & mode))
+				continue;
+
 			nskb = skb_clone(skb, GFP_ATOMIC);
-			err = macvlan_broadcast_one(nskb, vlan->dev, eth);
+			err = macvlan_broadcast_one(nskb, vlan->dev, eth,
+					 mode == MACVLAN_MODE_BRIDGE);
 			macvlan_count_rx(vlan, skb->len + ETH_HLEN,
 					 err == NET_RX_SUCCESS, 1);
 		}
@@ -178,6 +195,7 @@ static struct sk_buff *macvlan_handle_frame(struct sk_buff *skb)
 	const struct ethhdr *eth = eth_hdr(skb);
 	const struct macvlan_port *port;
 	const struct macvlan_dev *vlan;
+	const struct macvlan_dev *src;
 	struct net_device *dev;
 	unsigned int len;
 
@@ -186,7 +204,25 @@ static struct sk_buff *macvlan_handle_frame(struct sk_buff *skb)
 		return skb;
 
 	if (is_multicast_ether_addr(eth->h_dest)) {
-		macvlan_broadcast(skb, port);
+		src = macvlan_hash_lookup(port, eth->h_source);
+		if (!src)
+			/* frame comes from an external address */
+			macvlan_broadcast(skb, port, NULL,
+					  MACVLAN_MODE_PRIVATE |
+					  MACVLAN_MODE_VEPA    |
+					  MACVLAN_MODE_BRIDGE);
+		else if (src->mode == MACVLAN_MODE_VEPA)
+			/* flood to everyone except source */
+			macvlan_broadcast(skb, port, src->dev,
+					  MACVLAN_MODE_VEPA |
+					  MACVLAN_MODE_BRIDGE);
+		else if (src->mode == MACVLAN_MODE_BRIDGE)
+			/*
+			 * flood only to VEPA ports, bridge ports
+			 * already saw the frame on the way out.
+			 */
+			macvlan_broadcast(skb, port, src->dev,
+					  MACVLAN_MODE_VEPA);
 		return skb;
 	}
 
@@ -212,18 +248,46 @@ static struct sk_buff *macvlan_handle_frame(struct sk_buff *skb)
 	return NULL;
 }
 
+static int macvlan_queue_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+	const struct macvlan_dev *vlan = netdev_priv(dev);
+	const struct macvlan_port *port = vlan->port;
+	const struct macvlan_dev *dest;
+
+	if (vlan->mode == MACVLAN_MODE_BRIDGE) {
+		const struct ethhdr *eth = (void *)skb->data;
+
+		/* send to other bridge ports directly */
+		if (is_multicast_ether_addr(eth->h_dest)) {
+			macvlan_broadcast(skb, port, dev, MACVLAN_MODE_BRIDGE);
+			goto xmit_world;
+		}
+
+		dest = macvlan_hash_lookup(port, eth->h_dest);
+		if (dest && dest->mode == MACVLAN_MODE_BRIDGE) {
+			unsigned int length = skb->len + ETH_HLEN;
+			int ret = dev_forward_skb(dest->dev, skb);
+			macvlan_count_rx(dest, length,
+					 ret == NET_RX_SUCCESS, 0);
+
+			return NET_XMIT_SUCCESS;
+		}
+	}
+
+xmit_world:
+	skb->dev = vlan->lowerdev;
+	return dev_queue_xmit(skb);
+}
+
 static netdev_tx_t macvlan_start_xmit(struct sk_buff *skb,
 				      struct net_device *dev)
 {
 	int i = skb_get_queue_mapping(skb);
 	struct netdev_queue *txq = netdev_get_tx_queue(dev, i);
-	const struct macvlan_dev *vlan = netdev_priv(dev);
 	unsigned int len = skb->len;
 	int ret;
 
-	skb->dev = vlan->lowerdev;
-	ret = dev_queue_xmit(skb);
-
+	ret = macvlan_queue_xmit(skb, dev);
 	if (likely(ret == NET_XMIT_SUCCESS)) {
 		txq->tx_packets++;
 		txq->tx_bytes += len;
-- 
GitLab


From 27c0b1a850cdea6298f573d835782f3337be913c Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Thu, 26 Nov 2009 06:07:11 +0000
Subject: [PATCH 1541/1815] macvlan: export macvlan mode through netlink

In order to support all three modes of macvlan at
runtime, extend the existing netlink protocol
to allow choosing the mode per macvlan slave
interface.

This depends on a matching patch to iproute2
in order to become accessible in user land.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/macvlan.c   | 56 ++++++++++++++++++++++++++++++++++++-----
 include/linux/if_link.h | 15 +++++++++++
 2 files changed, 65 insertions(+), 6 deletions(-)

diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index d6bd84353f4..322112c7358 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -33,12 +33,6 @@
 
 #define MACVLAN_HASH_SIZE	(1 << BITS_PER_BYTE)
 
-enum macvlan_mode {
-	MACVLAN_MODE_PRIVATE	= 1,
-	MACVLAN_MODE_VEPA	= 2,
-	MACVLAN_MODE_BRIDGE	= 4,
-};
-
 struct macvlan_port {
 	struct net_device	*dev;
 	struct hlist_head	vlan_hash[MACVLAN_HASH_SIZE];
@@ -614,6 +608,17 @@ static int macvlan_validate(struct nlattr *tb[], struct nlattr *data[])
 		if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS])))
 			return -EADDRNOTAVAIL;
 	}
+
+	if (data && data[IFLA_MACVLAN_MODE]) {
+		switch (nla_get_u32(data[IFLA_MACVLAN_MODE])) {
+		case MACVLAN_MODE_PRIVATE:
+		case MACVLAN_MODE_VEPA:
+		case MACVLAN_MODE_BRIDGE:
+			break;
+		default:
+			return -EINVAL;
+		}
+	}
 	return 0;
 }
 
@@ -678,6 +683,10 @@ static int macvlan_newlink(struct net *src_net, struct net_device *dev,
 	vlan->dev      = dev;
 	vlan->port     = port;
 
+	vlan->mode     = MACVLAN_MODE_VEPA;
+	if (data && data[IFLA_MACVLAN_MODE])
+		vlan->mode = nla_get_u32(data[IFLA_MACVLAN_MODE]);
+
 	err = register_netdevice(dev);
 	if (err < 0)
 		return err;
@@ -699,6 +708,36 @@ static void macvlan_dellink(struct net_device *dev, struct list_head *head)
 		macvlan_port_destroy(port->dev);
 }
 
+static int macvlan_changelink(struct net_device *dev,
+		struct nlattr *tb[], struct nlattr *data[])
+{
+	struct macvlan_dev *vlan = netdev_priv(dev);
+	if (data && data[IFLA_MACVLAN_MODE])
+		vlan->mode = nla_get_u32(data[IFLA_MACVLAN_MODE]);
+	return 0;
+}
+
+static size_t macvlan_get_size(const struct net_device *dev)
+{
+	return nla_total_size(4);
+}
+
+static int macvlan_fill_info(struct sk_buff *skb,
+				const struct net_device *dev)
+{
+	struct macvlan_dev *vlan = netdev_priv(dev);
+
+	NLA_PUT_U32(skb, IFLA_MACVLAN_MODE, vlan->mode);
+	return 0;
+
+nla_put_failure:
+	return -EMSGSIZE;
+}
+
+static const struct nla_policy macvlan_policy[IFLA_MACVLAN_MAX + 1] = {
+	[IFLA_MACVLAN_MODE] = { .type = NLA_U32 },
+};
+
 static struct rtnl_link_ops macvlan_link_ops __read_mostly = {
 	.kind		= "macvlan",
 	.priv_size	= sizeof(struct macvlan_dev),
@@ -707,6 +746,11 @@ static struct rtnl_link_ops macvlan_link_ops __read_mostly = {
 	.validate	= macvlan_validate,
 	.newlink	= macvlan_newlink,
 	.dellink	= macvlan_dellink,
+	.maxtype	= IFLA_MACVLAN_MAX,
+	.policy		= macvlan_policy,
+	.changelink	= macvlan_changelink,
+	.get_size	= macvlan_get_size,
+	.fill_info	= macvlan_fill_info,
 };
 
 static int macvlan_device_event(struct notifier_block *unused,
diff --git a/include/linux/if_link.h b/include/linux/if_link.h
index 1d3b2425f66..6674791622c 100644
--- a/include/linux/if_link.h
+++ b/include/linux/if_link.h
@@ -181,4 +181,19 @@ struct ifla_vlan_qos_mapping {
 	__u32 to;
 };
 
+/* MACVLAN section */
+enum {
+	IFLA_MACVLAN_UNSPEC,
+	IFLA_MACVLAN_MODE,
+	__IFLA_MACVLAN_MAX,
+};
+
+#define IFLA_MACVLAN_MAX (__IFLA_MACVLAN_MAX - 1)
+
+enum macvlan_mode {
+	MACVLAN_MODE_PRIVATE = 1, /* don't talk to other macvlans */
+	MACVLAN_MODE_VEPA    = 2, /* talk to other ports through ext bridge */
+	MACVLAN_MODE_BRIDGE  = 4, /* talk to bridge ports directly */
+};
+
 #endif /* _LINUX_IF_LINK_H */
-- 
GitLab


From 46e1ac0f42c7ff20a7e47c172e4835273b0e6899 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Wed, 25 Nov 2009 16:08:30 +0000
Subject: [PATCH 1542/1815] sfc: Fix descriptor cache sizes

These were accidentally undersized by a factor of 2, which limited
performance.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/falcon.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 41a321b0e8c..7b19686218a 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -49,11 +49,11 @@ static int disable_dma_stats;
  * goes idle.
  */
 #define TX_DC_ENTRIES 16
-#define TX_DC_ENTRIES_ORDER 0
+#define TX_DC_ENTRIES_ORDER 1
 #define TX_DC_BASE 0x130000
 
 #define RX_DC_ENTRIES 64
-#define RX_DC_ENTRIES_ORDER 2
+#define RX_DC_ENTRIES_ORDER 3
 #define RX_DC_BASE 0x100000
 
 static const unsigned int
@@ -2974,14 +2974,14 @@ int falcon_init_nic(struct efx_nic *efx)
 	efx_writeo(efx, &temp, FR_AZ_SRM_RX_DC_CFG);
 
 	/* Set TX descriptor cache size. */
-	BUILD_BUG_ON(TX_DC_ENTRIES != (16 << TX_DC_ENTRIES_ORDER));
+	BUILD_BUG_ON(TX_DC_ENTRIES != (8 << TX_DC_ENTRIES_ORDER));
 	EFX_POPULATE_OWORD_1(temp, FRF_AZ_TX_DC_SIZE, TX_DC_ENTRIES_ORDER);
 	efx_writeo(efx, &temp, FR_AZ_TX_DC_CFG);
 
 	/* Set RX descriptor cache size.  Set low watermark to size-8, as
 	 * this allows most efficient prefetching.
 	 */
-	BUILD_BUG_ON(RX_DC_ENTRIES != (16 << RX_DC_ENTRIES_ORDER));
+	BUILD_BUG_ON(RX_DC_ENTRIES != (8 << RX_DC_ENTRIES_ORDER));
 	EFX_POPULATE_OWORD_1(temp, FRF_AZ_RX_DC_SIZE, RX_DC_ENTRIES_ORDER);
 	efx_writeo(efx, &temp, FR_AZ_RX_DC_CFG);
 	EFX_POPULATE_OWORD_1(temp, FRF_AZ_RX_DC_PF_LWM, RX_DC_ENTRIES - 8);
-- 
GitLab


From 80cb9a0f7f381e1c0e9f6dabec6e67db0dd3a0d9 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Wed, 25 Nov 2009 16:08:41 +0000
Subject: [PATCH 1543/1815] sfc: Treat all MAC registers as 128-bit

Although all the defined fields in these registers are within 32 bits,
they are architecturally defined as 128-bit like most other Falcon
registers.  In particular, we must use efx_reado() to ensure proper
locking when reading MD_STAT_REG.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/falcon.c      | 14 +++++++-------
 drivers/net/sfc/falcon_xmac.c | 14 +++++++-------
 2 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 7b19686218a..f97ef3e0572 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -2042,18 +2042,18 @@ int falcon_dma_stats(struct efx_nic *efx, unsigned int done_offset)
 /* Wait for GMII access to complete */
 static int falcon_gmii_wait(struct efx_nic *efx)
 {
-	efx_dword_t md_stat;
+	efx_oword_t md_stat;
 	int count;
 
 	/* wait upto 50ms - taken max from datasheet */
 	for (count = 0; count < 5000; count++) {
-		efx_readd(efx, &md_stat, FR_AB_MD_STAT);
-		if (EFX_DWORD_FIELD(md_stat, FRF_AB_MD_BSY) == 0) {
-			if (EFX_DWORD_FIELD(md_stat, FRF_AB_MD_LNFL) != 0 ||
-			    EFX_DWORD_FIELD(md_stat, FRF_AB_MD_BSERR) != 0) {
+		efx_reado(efx, &md_stat, FR_AB_MD_STAT);
+		if (EFX_OWORD_FIELD(md_stat, FRF_AB_MD_BSY) == 0) {
+			if (EFX_OWORD_FIELD(md_stat, FRF_AB_MD_LNFL) != 0 ||
+			    EFX_OWORD_FIELD(md_stat, FRF_AB_MD_BSERR) != 0) {
 				EFX_ERR(efx, "error from GMII access "
-					EFX_DWORD_FMT"\n",
-					EFX_DWORD_VAL(md_stat));
+					EFX_OWORD_FMT"\n",
+					EFX_OWORD_VAL(md_stat));
 				return -EIO;
 			}
 			return 0;
diff --git a/drivers/net/sfc/falcon_xmac.c b/drivers/net/sfc/falcon_xmac.c
index 69cb55fc615..cf24513900e 100644
--- a/drivers/net/sfc/falcon_xmac.c
+++ b/drivers/net/sfc/falcon_xmac.c
@@ -64,7 +64,7 @@ int falcon_reset_xaui(struct efx_nic *efx)
 	int count;
 
 	/* Start reset sequence */
-	EFX_POPULATE_DWORD_1(reg, FRF_AB_XX_RST_XX_EN, 1);
+	EFX_POPULATE_OWORD_1(reg, FRF_AB_XX_RST_XX_EN, 1);
 	efx_writeo(efx, &reg, FR_AB_XX_PWR_RST);
 
 	/* Wait up to 10 ms for completion, then reinitialise */
@@ -146,14 +146,14 @@ static void falcon_reconfigure_xmac_core(struct efx_nic *efx)
 	bool rx_fc = !!(efx->link_state.fc & EFX_FC_RX);
 
 	/* Configure MAC  - cut-thru mode is hard wired on */
-	EFX_POPULATE_DWORD_3(reg,
+	EFX_POPULATE_OWORD_3(reg,
 			     FRF_AB_XM_RX_JUMBO_MODE, 1,
 			     FRF_AB_XM_TX_STAT_EN, 1,
 			     FRF_AB_XM_RX_STAT_EN, 1);
 	efx_writeo(efx, &reg, FR_AB_XM_GLB_CFG);
 
 	/* Configure TX */
-	EFX_POPULATE_DWORD_6(reg,
+	EFX_POPULATE_OWORD_6(reg,
 			     FRF_AB_XM_TXEN, 1,
 			     FRF_AB_XM_TX_PRMBL, 1,
 			     FRF_AB_XM_AUTO_PAD, 1,
@@ -163,7 +163,7 @@ static void falcon_reconfigure_xmac_core(struct efx_nic *efx)
 	efx_writeo(efx, &reg, FR_AB_XM_TX_CFG);
 
 	/* Configure RX */
-	EFX_POPULATE_DWORD_5(reg,
+	EFX_POPULATE_OWORD_5(reg,
 			     FRF_AB_XM_RXEN, 1,
 			     FRF_AB_XM_AUTO_DEPAD, 0,
 			     FRF_AB_XM_ACPT_ALL_MCAST, 1,
@@ -173,14 +173,14 @@ static void falcon_reconfigure_xmac_core(struct efx_nic *efx)
 
 	/* Set frame length */
 	max_frame_len = EFX_MAX_FRAME_LEN(efx->net_dev->mtu);
-	EFX_POPULATE_DWORD_1(reg, FRF_AB_XM_MAX_RX_FRM_SIZE, max_frame_len);
+	EFX_POPULATE_OWORD_1(reg, FRF_AB_XM_MAX_RX_FRM_SIZE, max_frame_len);
 	efx_writeo(efx, &reg, FR_AB_XM_RX_PARAM);
-	EFX_POPULATE_DWORD_2(reg,
+	EFX_POPULATE_OWORD_2(reg,
 			     FRF_AB_XM_MAX_TX_FRM_SIZE, max_frame_len,
 			     FRF_AB_XM_TX_JUMBO_MODE, 1);
 	efx_writeo(efx, &reg, FR_AB_XM_TX_PARAM);
 
-	EFX_POPULATE_DWORD_2(reg,
+	EFX_POPULATE_OWORD_2(reg,
 			     FRF_AB_XM_PAUSE_TIME, 0xfffe, /* MAX PAUSE TIME */
 			     FRF_AB_XM_DIS_FCNTL, !rx_fc);
 	efx_writeo(efx, &reg, FR_AB_XM_FC);
-- 
GitLab


From 332c1ce9e7b0f9285cba0cf3d32bad87a4f8e40a Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Wed, 25 Nov 2009 16:08:52 +0000
Subject: [PATCH 1544/1815] sfc: Strengthen EFX_ASSERT_RESET_SERIALISED

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 4787faaf30c..9f3ef387a04 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -186,7 +186,8 @@ static void efx_fini_channels(struct efx_nic *efx);
 
 #define EFX_ASSERT_RESET_SERIALISED(efx)		\
 	do {						\
-		if (efx->state == STATE_RUNNING)	\
+		if ((efx->state == STATE_RUNNING) ||	\
+		    (efx->state == STATE_DISABLED))	\
 			ASSERT_RTNL();			\
 	} while (0)
 
-- 
GitLab


From 8986352a32485f9dd9069e370ffa6d5b0737a854 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Wed, 25 Nov 2009 16:09:04 +0000
Subject: [PATCH 1545/1815] sfc: Comment corrections

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/falcon.c        | 5 +----
 drivers/net/sfc/falcon.h        | 2 +-
 drivers/net/sfc/falcon_boards.c | 2 +-
 3 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index f97ef3e0572..140087f8309 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -27,10 +27,7 @@
 #include "phy.h"
 #include "workarounds.h"
 
-/* Falcon hardware control.
- * Falcon is the internal codename for the SFC4000 controller that is
- * present in SFE400X evaluation boards
- */
+/* Hardware control for SFC4000 (aka Falcon). */
 
 /**************************************************************************
  *
diff --git a/drivers/net/sfc/falcon.h b/drivers/net/sfc/falcon.h
index 0da5ea7908b..ea6ac06fa26 100644
--- a/drivers/net/sfc/falcon.h
+++ b/drivers/net/sfc/falcon.h
@@ -61,7 +61,7 @@ struct falcon_board {
 
 /**
  * struct falcon_nic_data - Falcon NIC state
- * @pci_dev2: The secondary PCI device if present
+ * @pci_dev2: Secondary function of Falcon A
  * @board: Board state and functions
  */
 struct falcon_nic_data {
diff --git a/drivers/net/sfc/falcon_boards.c b/drivers/net/sfc/falcon_boards.c
index 333ccc14e52..f05c9d330a4 100644
--- a/drivers/net/sfc/falcon_boards.c
+++ b/drivers/net/sfc/falcon_boards.c
@@ -144,7 +144,7 @@ static inline int efx_check_lm87(struct efx_nic *efx, unsigned mask)
  */
 
 /**************************************************************************
- * Support for I2C IO Expander device on SFE40001
+ * Support for I2C IO Expander device on SFE4001
  */
 #define	PCA9539 0x74
 
-- 
GitLab


From 734a350a6ccee59647f064fd49cd6cebc5dda48b Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Wed, 25 Nov 2009 16:09:13 +0000
Subject: [PATCH 1546/1815] sfc: Remove unused constant

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/falcon.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 140087f8309..2c0be6ccc62 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -109,9 +109,6 @@ MODULE_PARM_DESC(rx_xon_thresh_bytes, "RX fifo XON threshold");
 /* Size and alignment of special buffers (4KB) */
 #define FALCON_BUF_SIZE 4096
 
-/* Dummy SRAM size code */
-#define SRM_NB_BSZ_ONCHIP_ONLY (-1)
-
 #define FALCON_IS_DUAL_FUNC(efx)		\
 	(falcon_rev(efx) < FALCON_REV_B0)
 
-- 
GitLab


From 44838a447de3b1541cbf845853c4f8999310b0dd Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Wed, 25 Nov 2009 16:09:41 +0000
Subject: [PATCH 1547/1815] sfc: Clean up struct falcon_board and struct
 falcon_board_data

Put all static information in struct falcon_board_type and replace it
with a pointer in struct falcon_board.  Simplify probing aocordingly.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c           |   2 +-
 drivers/net/sfc/ethtool.c       |   6 +-
 drivers/net/sfc/falcon.c        |   4 +-
 drivers/net/sfc/falcon.h        |  34 +++++++---
 drivers/net/sfc/falcon_boards.c | 115 +++++++++++++++-----------------
 drivers/net/sfc/qt202x_phy.c    |   2 +-
 drivers/net/sfc/tenxpress.c     |   2 +-
 7 files changed, 85 insertions(+), 80 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 9f3ef387a04..dc85efaf15a 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -1309,7 +1309,7 @@ static void efx_monitor(struct work_struct *data)
 		goto out_requeue;
 	if (!efx->port_enabled)
 		goto out_unlock;
-	rc = falcon_board(efx)->monitor(efx);
+	rc = falcon_board(efx)->type->monitor(efx);
 	if (rc) {
 		EFX_ERR(efx, "Board sensor %s; shutting down PHY\n",
 			(rc == -ERANGE) ? "reported fault" : "failed");
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index d8915b95e65..bb9abf24f54 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -174,14 +174,14 @@ static int efx_ethtool_phys_id(struct net_device *net_dev, u32 count)
 	struct efx_nic *efx = netdev_priv(net_dev);
 
 	do {
-		falcon_board(efx)->set_id_led(efx, EFX_LED_ON);
+		falcon_board(efx)->type->set_id_led(efx, EFX_LED_ON);
 		schedule_timeout_interruptible(HZ / 2);
 
-		falcon_board(efx)->set_id_led(efx, EFX_LED_OFF);
+		falcon_board(efx)->type->set_id_led(efx, EFX_LED_OFF);
 		schedule_timeout_interruptible(HZ / 2);
 	} while (!signal_pending(current) && --count != 0);
 
-	falcon_board(efx)->set_id_led(efx, EFX_LED_DEFAULT);
+	falcon_board(efx)->type->set_id_led(efx, EFX_LED_DEFAULT);
 	return 0;
 }
 
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 2c0be6ccc62..2f1f1fca080 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -2864,7 +2864,7 @@ int falcon_probe_nic(struct efx_nic *efx)
 	if (rc)
 		goto fail5;
 
-	rc = falcon_board(efx)->init(efx);
+	rc = falcon_board(efx)->type->init(efx);
 	if (rc) {
 		EFX_ERR(efx, "failed to initialise board\n");
 		goto fail6;
@@ -3067,7 +3067,7 @@ void falcon_remove_nic(struct efx_nic *efx)
 	struct falcon_board *board = falcon_board(efx);
 	int rc;
 
-	falcon_board(efx)->fini(efx);
+	board->type->fini(efx);
 
 	/* Remove I2C adapter and clear it in preparation for a retry */
 	rc = i2c_del_adapter(&board->i2c_adap);
diff --git a/drivers/net/sfc/falcon.h b/drivers/net/sfc/falcon.h
index ea6ac06fa26..b331889ca46 100644
--- a/drivers/net/sfc/falcon.h
+++ b/drivers/net/sfc/falcon.h
@@ -31,29 +31,41 @@ static inline int falcon_rev(struct efx_nic *efx)
 }
 
 /**
- * struct falcon_board - board information
- * @type: Board model type
- * @major: Major rev. ('A', 'B' ...)
- * @minor: Minor rev. (0, 1, ...)
+ * struct falcon_board_type - board operations and type information
+ * @id: Board type id, as found in NVRAM
+ * @ref_model: Model number of Solarflare reference design
+ * @gen_type: Generic board type description
  * @init: Allocate resources and initialise peripheral hardware
  * @init_phy: Do board-specific PHY initialisation
+ * @fini: Shut down hardware and free resources
  * @set_id_led: Set state of identifying LED or revert to automatic function
  * @monitor: Board-specific health check function
- * @fini: Shut down hardware and free resources
+ */
+struct falcon_board_type {
+	u8 id;
+	const char *ref_model;
+	const char *gen_type;
+	int (*init) (struct efx_nic *nic);
+	void (*init_phy) (struct efx_nic *efx);
+	void (*fini) (struct efx_nic *nic);
+	void (*set_id_led) (struct efx_nic *efx, enum efx_led_mode mode);
+	int (*monitor) (struct efx_nic *nic);
+};
+
+/**
+ * struct falcon_board - board information
+ * @type: Type of board
+ * @major: Major rev. ('A', 'B' ...)
+ * @minor: Minor rev. (0, 1, ...)
  * @i2c_adap: I2C adapter for on-board peripherals
  * @i2c_data: Data for bit-banging algorithm
  * @hwmon_client: I2C client for hardware monitor
  * @ioexp_client: I2C client for power/port control
  */
 struct falcon_board {
-	int type;
+	const struct falcon_board_type *type;
 	int major;
 	int minor;
-	int (*init) (struct efx_nic *nic);
-	void (*init_phy) (struct efx_nic *efx);
-	void (*set_id_led) (struct efx_nic *efx, enum efx_led_mode mode);
-	int (*monitor) (struct efx_nic *nic);
-	void (*fini) (struct efx_nic *nic);
 	struct i2c_adapter i2c_adap;
 	struct i2c_algo_bit_data i2c_data;
 	struct i2c_client *hwmon_client, *ioexp_client;
diff --git a/drivers/net/sfc/falcon_boards.c b/drivers/net/sfc/falcon_boards.c
index f05c9d330a4..ac1258ea677 100644
--- a/drivers/net/sfc/falcon_boards.c
+++ b/drivers/net/sfc/falcon_boards.c
@@ -348,7 +348,7 @@ static ssize_t set_phy_flash_cfg(struct device *dev,
 		efx->phy_mode = new_mode;
 		if (new_mode & PHY_MODE_SPECIAL)
 			efx_stats_disable(efx);
-		if (falcon_board(efx)->type == FALCON_BOARD_SFE4001)
+		if (falcon_board(efx)->type->id == FALCON_BOARD_SFE4001)
 			err = sfe4001_poweron(efx);
 		else
 			err = sfn4111t_reset(efx);
@@ -438,13 +438,6 @@ static int sfe4001_init(struct efx_nic *efx)
 		goto fail_hwmon;
 	}
 
-	/* 10Xpress has fixed-function LED pins, so there is no board-specific
-	 * blink code. */
-	board->set_id_led = tenxpress_set_id_led;
-
-	board->monitor = sfe4001_check_hw;
-	board->fini = sfe4001_fini;
-
 	if (efx->phy_mode & PHY_MODE_SPECIAL) {
 		/* PHY won't generate a 156.25 MHz clock and MAC stats fetch
 		 * will fail. */
@@ -531,11 +524,6 @@ static int sfn4111t_init(struct efx_nic *efx)
 	if (!board->hwmon_client)
 		return -EIO;
 
-	board->init_phy = sfn4111t_init_phy;
-	board->set_id_led = tenxpress_set_id_led;
-	board->monitor = sfn4111t_check_hw;
-	board->fini = sfn4111t_fini;
-
 	rc = device_create_file(&efx->pci_dev->dev, &dev_attr_phy_flash_cfg);
 	if (rc)
 		goto fail_hwmon;
@@ -620,15 +608,7 @@ static int sfe4002_check_hw(struct efx_nic *efx)
 
 static int sfe4002_init(struct efx_nic *efx)
 {
-	struct falcon_board *board = falcon_board(efx);
-	int rc = efx_init_lm87(efx, &sfe4002_hwmon_info, sfe4002_lm87_regs);
-	if (rc)
-		return rc;
-	board->monitor = sfe4002_check_hw;
-	board->init_phy = sfe4002_init_phy;
-	board->set_id_led = sfe4002_set_id_led;
-	board->fini = efx_fini_lm87;
-	return 0;
+	return efx_init_lm87(efx, &sfe4002_hwmon_info, sfe4002_lm87_regs);
 }
 
 /*****************************************************************************
@@ -692,67 +672,80 @@ static int sfn4112f_check_hw(struct efx_nic *efx)
 
 static int sfn4112f_init(struct efx_nic *efx)
 {
-	struct falcon_board *board = falcon_board(efx);
-
-	int rc = efx_init_lm87(efx, &sfn4112f_hwmon_info, sfn4112f_lm87_regs);
-	if (rc)
-		return rc;
-	board->monitor = sfn4112f_check_hw;
-	board->init_phy = sfn4112f_init_phy;
-	board->set_id_led = sfn4112f_set_id_led;
-	board->fini = efx_fini_lm87;
-	return 0;
+	return efx_init_lm87(efx, &sfn4112f_hwmon_info, sfn4112f_lm87_regs);
 }
 
-/* This will get expanded as board-specific details get moved out of the
- * PHY drivers. */
-struct falcon_board_data {
-	u8 type;
-	const char *ref_model;
-	const char *gen_type;
-	int (*init) (struct efx_nic *nic);
-};
-
-
-static struct falcon_board_data board_data[] = {
-	{ FALCON_BOARD_SFE4001, "SFE4001", "10GBASE-T adapter", sfe4001_init },
-	{ FALCON_BOARD_SFE4002, "SFE4002", "XFP adapter", sfe4002_init },
-	{ FALCON_BOARD_SFN4111T, "SFN4111T", "100/1000/10GBASE-T adapter",
-	  sfn4111t_init },
-	{ FALCON_BOARD_SFN4112F, "SFN4112F", "SFP+ adapter",
-	  sfn4112f_init },
+static const struct falcon_board_type board_types[] = {
+	{
+		.id		= FALCON_BOARD_SFE4001,
+		.ref_model	= "SFE4001",
+		.gen_type	= "10GBASE-T adapter",
+		.init		= sfe4001_init,
+		.init_phy	= efx_port_dummy_op_void,
+		.fini		= sfe4001_fini,
+		.set_id_led	= tenxpress_set_id_led,
+		.monitor	= sfe4001_check_hw,
+	},
+	{
+		.id		= FALCON_BOARD_SFE4002,
+		.ref_model	= "SFE4002",
+		.gen_type	= "XFP adapter",
+		.init		= sfe4002_init,
+		.init_phy	= sfe4002_init_phy,
+		.fini		= efx_fini_lm87,
+		.set_id_led	= sfe4002_set_id_led,
+		.monitor	= sfe4002_check_hw,
+	},
+	{
+		.id		= FALCON_BOARD_SFN4111T,
+		.ref_model	= "SFN4111T",
+		.gen_type	= "100/1000/10GBASE-T adapter",
+		.init		= sfn4111t_init,
+		.init_phy	= sfn4111t_init_phy,
+		.fini		= sfn4111t_fini,
+		.set_id_led	= tenxpress_set_id_led,
+		.monitor	= sfn4111t_check_hw,
+	},
+	{
+		.id		= FALCON_BOARD_SFN4112F,
+		.ref_model	= "SFN4112F",
+		.gen_type	= "SFP+ adapter",
+		.init		= sfn4112f_init,
+		.init_phy	= sfn4112f_init_phy,
+		.fini		= efx_fini_lm87,
+		.set_id_led	= sfn4112f_set_id_led,
+		.monitor	= sfn4112f_check_hw,
+	},
 };
 
-static struct falcon_board falcon_dummy_board = {
+static const struct falcon_board_type falcon_dummy_board = {
 	.init		= efx_port_dummy_op_int,
 	.init_phy	= efx_port_dummy_op_void,
+	.fini		= efx_port_dummy_op_void,
 	.set_id_led	= efx_port_dummy_op_set_id_led,
 	.monitor	= efx_port_dummy_op_int,
-	.fini		= efx_port_dummy_op_void,
 };
 
 void falcon_probe_board(struct efx_nic *efx, u16 revision_info)
 {
 	struct falcon_board *board = falcon_board(efx);
-	struct falcon_board_data *data = NULL;
+	u8 type_id = FALCON_BOARD_TYPE(revision_info);
 	int i;
 
-	*board = falcon_dummy_board;
-	board->type = FALCON_BOARD_TYPE(revision_info);
 	board->major = FALCON_BOARD_MAJOR(revision_info);
 	board->minor = FALCON_BOARD_MINOR(revision_info);
 
-	for (i = 0; i < ARRAY_SIZE(board_data); i++)
-		if (board_data[i].type == board->type)
-			data = &board_data[i];
+	for (i = 0; i < ARRAY_SIZE(board_types); i++)
+		if (board_types[i].id == type_id)
+			board->type = &board_types[i];
 
-	if (data) {
+	if (board->type) {
 		EFX_INFO(efx, "board is %s rev %c%d\n",
 			 (efx->pci_dev->subsystem_vendor == EFX_VENDID_SFC)
-			 ? data->ref_model : data->gen_type,
+			 ? board->type->ref_model : board->type->gen_type,
 			 'A' + board->major, board->minor);
-		board->init = data->init;
 	} else {
-		EFX_ERR(efx, "unknown board type %d\n", board->type);
+		EFX_ERR(efx, "unknown board type %d\n", type_id);
+		board->type = &falcon_dummy_board;
 	}
 }
diff --git a/drivers/net/sfc/qt202x_phy.c b/drivers/net/sfc/qt202x_phy.c
index 8208ac0ffad..f9c354e9fc3 100644
--- a/drivers/net/sfc/qt202x_phy.c
+++ b/drivers/net/sfc/qt202x_phy.c
@@ -126,7 +126,7 @@ static int qt202x_reset_phy(struct efx_nic *efx)
 	if (rc < 0)
 		goto fail;
 
-	falcon_board(efx)->init_phy(efx);
+	falcon_board(efx)->type->init_phy(efx);
 
 	return rc;
 
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c
index b001f38524f..a95402d601c 100644
--- a/drivers/net/sfc/tenxpress.c
+++ b/drivers/net/sfc/tenxpress.c
@@ -303,7 +303,7 @@ static int tenxpress_phy_init(struct efx_nic *efx)
 	u16 old_adv, adv;
 	int rc = 0;
 
-	falcon_board(efx)->init_phy(efx);
+	falcon_board(efx)->type->init_phy(efx);
 
 	phy_data = kzalloc(sizeof(*phy_data), GFP_KERNEL);
 	if (!phy_data)
-- 
GitLab


From 127e6e10ad17585c48cba8e1dcf30d98b90ee583 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Wed, 25 Nov 2009 16:09:55 +0000
Subject: [PATCH 1548/1815] sfc: Fix bugs in RX queue flushing

Avoid overrunning the hardware limit of 4 concurrent RX queue flushes.
Expand the queue flush state to support this.  Make similar changes to
TX flushing to keep the code symmetric.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/falcon.c     | 103 ++++++++++++++++++++++-------------
 drivers/net/sfc/net_driver.h |  11 +++-
 2 files changed, 73 insertions(+), 41 deletions(-)

diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 2f1f1fca080..e1b9ce30429 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -109,6 +109,9 @@ MODULE_PARM_DESC(rx_xon_thresh_bytes, "RX fifo XON threshold");
 /* Size and alignment of special buffers (4KB) */
 #define FALCON_BUF_SIZE 4096
 
+/* Depth of RX flush request fifo */
+#define FALCON_RX_FLUSH_COUNT 4
+
 #define FALCON_IS_DUAL_FUNC(efx)		\
 	(falcon_rev(efx) < FALCON_REV_B0)
 
@@ -426,7 +429,7 @@ void falcon_init_tx(struct efx_tx_queue *tx_queue)
 	efx_oword_t tx_desc_ptr;
 	struct efx_nic *efx = tx_queue->efx;
 
-	tx_queue->flushed = false;
+	tx_queue->flushed = FLUSH_NONE;
 
 	/* Pin TX descriptor ring */
 	falcon_init_special_buffer(efx, &tx_queue->txd);
@@ -476,6 +479,8 @@ static void falcon_flush_tx_queue(struct efx_tx_queue *tx_queue)
 	struct efx_nic *efx = tx_queue->efx;
 	efx_oword_t tx_flush_descq;
 
+	tx_queue->flushed = FLUSH_PENDING;
+
 	/* Post a flush command */
 	EFX_POPULATE_OWORD_2(tx_flush_descq,
 			     FRF_AZ_TX_FLUSH_DESCQ_CMD, 1,
@@ -489,7 +494,7 @@ void falcon_fini_tx(struct efx_tx_queue *tx_queue)
 	efx_oword_t tx_desc_ptr;
 
 	/* The queue should have been flushed */
-	WARN_ON(!tx_queue->flushed);
+	WARN_ON(tx_queue->flushed != FLUSH_DONE);
 
 	/* Remove TX descriptor ring from card */
 	EFX_ZERO_OWORD(tx_desc_ptr);
@@ -578,7 +583,7 @@ void falcon_init_rx(struct efx_rx_queue *rx_queue)
 		rx_queue->queue, rx_queue->rxd.index,
 		rx_queue->rxd.index + rx_queue->rxd.entries - 1);
 
-	rx_queue->flushed = false;
+	rx_queue->flushed = FLUSH_NONE;
 
 	/* Pin RX descriptor ring */
 	falcon_init_special_buffer(efx, &rx_queue->rxd);
@@ -607,6 +612,8 @@ static void falcon_flush_rx_queue(struct efx_rx_queue *rx_queue)
 	struct efx_nic *efx = rx_queue->efx;
 	efx_oword_t rx_flush_descq;
 
+	rx_queue->flushed = FLUSH_PENDING;
+
 	/* Post a flush command */
 	EFX_POPULATE_OWORD_2(rx_flush_descq,
 			     FRF_AZ_RX_FLUSH_DESCQ_CMD, 1,
@@ -620,7 +627,7 @@ void falcon_fini_rx(struct efx_rx_queue *rx_queue)
 	struct efx_nic *efx = rx_queue->efx;
 
 	/* The queue should already have been flushed */
-	WARN_ON(!rx_queue->flushed);
+	WARN_ON(rx_queue->flushed != FLUSH_DONE);
 
 	/* Remove RX descriptor ring from card */
 	EFX_ZERO_OWORD(rx_desc_ptr);
@@ -1181,7 +1188,7 @@ static void falcon_poll_flush_events(struct efx_nic *efx)
 						   FSF_AZ_DRIVER_EV_SUBDATA);
 			if (ev_queue < EFX_TX_QUEUE_COUNT) {
 				tx_queue = efx->tx_queue + ev_queue;
-				tx_queue->flushed = true;
+				tx_queue->flushed = FLUSH_DONE;
 			}
 		} else if (ev_code == FSE_AZ_EV_CODE_DRIVER_EV &&
 			   ev_sub_code == FSE_AZ_RX_DESCQ_FLS_DONE_EV) {
@@ -1191,17 +1198,29 @@ static void falcon_poll_flush_events(struct efx_nic *efx)
 				*event, FSF_AZ_DRIVER_EV_RX_FLUSH_FAIL);
 			if (ev_queue < efx->n_rx_queues) {
 				rx_queue = efx->rx_queue + ev_queue;
-
-				/* retry the rx flush */
-				if (ev_failed)
-					falcon_flush_rx_queue(rx_queue);
-				else
-					rx_queue->flushed = true;
+				rx_queue->flushed =
+					ev_failed ? FLUSH_FAILED : FLUSH_DONE;
 			}
 		}
 
+		/* We're about to destroy the queue anyway, so
+		 * it's ok to throw away every non-flush event */
+		EFX_SET_QWORD(*event);
+
 		read_ptr = (read_ptr + 1) & EFX_EVQ_MASK;
 	} while (read_ptr != end_ptr);
+
+	channel->eventq_read_ptr = read_ptr;
+}
+
+static void falcon_prepare_flush(struct efx_nic *efx)
+{
+	falcon_deconfigure_mac_wrapper(efx);
+
+	/* Wait for the tx and rx fifo's to get to the next packet boundary
+	 * (~1ms without back-pressure), then to drain the remainder of the
+	 * fifo's at data path speeds (negligible), with a healthy margin. */
+	msleep(10);
 }
 
 /* Handle tx and rx flushes at the same time, since they run in
@@ -1211,50 +1230,56 @@ int falcon_flush_queues(struct efx_nic *efx)
 {
 	struct efx_rx_queue *rx_queue;
 	struct efx_tx_queue *tx_queue;
-	int i;
-	bool outstanding;
+	int i, tx_pending, rx_pending;
 
-	/* Issue flush requests */
-	efx_for_each_tx_queue(tx_queue, efx) {
-		tx_queue->flushed = false;
+	falcon_prepare_flush(efx);
+
+	/* Flush all tx queues in parallel */
+	efx_for_each_tx_queue(tx_queue, efx)
 		falcon_flush_tx_queue(tx_queue);
-	}
-	efx_for_each_rx_queue(rx_queue, efx) {
-		rx_queue->flushed = false;
-		falcon_flush_rx_queue(rx_queue);
-	}
 
-	/* Poll the evq looking for flush completions. Since we're not pushing
-	 * any more rx or tx descriptors at this point, we're in no danger of
-	 * overflowing the evq whilst we wait */
+	/* The hardware supports four concurrent rx flushes, each of which may
+	 * need to be retried if there is an outstanding descriptor fetch */
 	for (i = 0; i < FALCON_FLUSH_POLL_COUNT; ++i) {
-		msleep(FALCON_FLUSH_INTERVAL);
-		falcon_poll_flush_events(efx);
+		rx_pending = tx_pending = 0;
+		efx_for_each_rx_queue(rx_queue, efx) {
+			if (rx_queue->flushed == FLUSH_PENDING)
+				++rx_pending;
+		}
+		efx_for_each_rx_queue(rx_queue, efx) {
+			if (rx_pending == FALCON_RX_FLUSH_COUNT)
+				break;
+			if (rx_queue->flushed == FLUSH_FAILED ||
+			    rx_queue->flushed == FLUSH_NONE) {
+				falcon_flush_rx_queue(rx_queue);
+				++rx_pending;
+			}
+		}
+		efx_for_each_tx_queue(tx_queue, efx) {
+			if (tx_queue->flushed != FLUSH_DONE)
+				++tx_pending;
+		}
 
-		/* Check if every queue has been succesfully flushed */
-		outstanding = false;
-		efx_for_each_tx_queue(tx_queue, efx)
-			outstanding |= !tx_queue->flushed;
-		efx_for_each_rx_queue(rx_queue, efx)
-			outstanding |= !rx_queue->flushed;
-		if (!outstanding)
+		if (rx_pending == 0 && tx_pending == 0)
 			return 0;
+
+		msleep(FALCON_FLUSH_INTERVAL);
+		falcon_poll_flush_events(efx);
 	}
 
 	/* Mark the queues as all flushed. We're going to return failure
-	 * leading to a reset, or fake up success anyway. "flushed" now
-	 * indicates that we tried to flush. */
+	 * leading to a reset, or fake up success anyway */
 	efx_for_each_tx_queue(tx_queue, efx) {
-		if (!tx_queue->flushed)
+		if (tx_queue->flushed != FLUSH_DONE)
 			EFX_ERR(efx, "tx queue %d flush command timed out\n",
 				tx_queue->queue);
-		tx_queue->flushed = true;
+		tx_queue->flushed = FLUSH_DONE;
 	}
 	efx_for_each_rx_queue(rx_queue, efx) {
-		if (!rx_queue->flushed)
+		if (rx_queue->flushed != FLUSH_DONE)
 			EFX_ERR(efx, "rx queue %d flush command timed out\n",
 				rx_queue->queue);
-		rx_queue->flushed = true;
+		rx_queue->flushed = FLUSH_DONE;
 	}
 
 	if (EFX_WORKAROUND_7803(efx))
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index ac808d5f24a..d0755ab056f 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -113,6 +113,13 @@ struct efx_special_buffer {
 	int entries;
 };
 
+enum efx_flush_state {
+	FLUSH_NONE,
+	FLUSH_PENDING,
+	FLUSH_FAILED,
+	FLUSH_DONE,
+};
+
 /**
  * struct efx_tx_buffer - An Efx TX buffer
  * @skb: The associated socket buffer.
@@ -189,7 +196,7 @@ struct efx_tx_queue {
 	struct efx_nic *nic;
 	struct efx_tx_buffer *buffer;
 	struct efx_special_buffer txd;
-	bool flushed;
+	enum efx_flush_state flushed;
 
 	/* Members used mainly on the completion path */
 	unsigned int read_count ____cacheline_aligned_in_smp;
@@ -284,7 +291,7 @@ struct efx_rx_queue {
 	struct page *buf_page;
 	dma_addr_t buf_dma_addr;
 	char *buf_data;
-	bool flushed;
+	enum efx_flush_state flushed;
 };
 
 /**
-- 
GitLab


From 1338344a84f5ea60a6689127d2717845e8564b1a Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Wed, 25 Nov 2009 16:10:05 +0000
Subject: [PATCH 1549/1815] sfc: Remove unused function efx_flush_queues()

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c | 13 -------------
 drivers/net/sfc/efx.h |  1 -
 2 files changed, 14 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index dc85efaf15a..4ebad613e6d 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -1237,19 +1237,6 @@ static void efx_remove_all(struct efx_nic *efx)
 	efx_remove_nic(efx);
 }
 
-/* A convinience function to safely flush all the queues */
-void efx_flush_queues(struct efx_nic *efx)
-{
-	EFX_ASSERT_RESET_SERIALISED(efx);
-
-	efx_stop_all(efx);
-
-	efx_fini_channels(efx);
-	efx_init_channels(efx);
-
-	efx_start_all(efx);
-}
-
 /**************************************************************************
  *
  * Interrupt moderation
diff --git a/drivers/net/sfc/efx.h b/drivers/net/sfc/efx.h
index 3497b036f40..7acf82108a4 100644
--- a/drivers/net/sfc/efx.h
+++ b/drivers/net/sfc/efx.h
@@ -56,7 +56,6 @@ extern void efx_schedule_slow_fill(struct efx_rx_queue *rx_queue, int delay);
 
 /* Channels */
 extern void efx_process_channel_now(struct efx_channel *channel);
-extern void efx_flush_queues(struct efx_nic *efx);
 #define EFX_EVQ_SIZE 4096
 #define EFX_EVQ_MASK (EFX_EVQ_SIZE - 1)
 
-- 
GitLab


From 26deba501371c215f95624ede81ab5b611fd7d95 Mon Sep 17 00:00:00 2001
From: Steve Hodgson <shodgson@solarflare.com>
Date: Wed, 25 Nov 2009 16:11:03 +0000
Subject: [PATCH 1550/1815] sfc: Only switch Falcon MAC clocks as necessary

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/falcon.c | 42 ++++++++++++++++++++++++----------------
 1 file changed, 25 insertions(+), 17 deletions(-)

diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index e1b9ce30429..9eec8850210 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -2183,11 +2183,29 @@ static int falcon_mdio_read(struct net_device *net_dev,
 	return rc;
 }
 
+static void falcon_clock_mac(struct efx_nic *efx)
+{
+	unsigned strap_val;
+	efx_oword_t nic_stat;
+
+	/* Configure the NIC generated MAC clock correctly */
+	efx_reado(efx, &nic_stat, FR_AB_NIC_STAT);
+	strap_val = EFX_IS10G(efx) ? 5 : 3;
+	if (falcon_rev(efx) >= FALCON_REV_B0) {
+		EFX_SET_OWORD_FIELD(nic_stat, FRF_BB_EE_STRAP_EN, 1);
+		EFX_SET_OWORD_FIELD(nic_stat, FRF_BB_EE_STRAP, strap_val);
+		efx_writeo(efx, &nic_stat, FR_AB_NIC_STAT);
+	} else {
+		/* Falcon A1 does not support 1G/10G speed switching
+		 * and must not be used with a PHY that does. */
+		BUG_ON(EFX_OWORD_FIELD(nic_stat, FRF_AB_STRAP_PINS) !=
+		       strap_val);
+	}
+}
+
 int falcon_switch_mac(struct efx_nic *efx)
 {
 	struct efx_mac_operations *old_mac_op = efx->mac_op;
-	efx_oword_t nic_stat;
-	unsigned strap_val;
 	int rc = 0;
 
 	/* Don't try to fetch MAC stats while we're switching MACs */
@@ -2206,24 +2224,11 @@ int falcon_switch_mac(struct efx_nic *efx)
 	efx->mac_op = (EFX_IS10G(efx) ?
 		       &falcon_xmac_operations : &falcon_gmac_operations);
 
-	/* Always push the NIC_STAT_REG setting even if the mac hasn't
-	 * changed, because this function is run post online reset */
-	efx_reado(efx, &nic_stat, FR_AB_NIC_STAT);
-	strap_val = EFX_IS10G(efx) ? 5 : 3;
-	if (falcon_rev(efx) >= FALCON_REV_B0) {
-		EFX_SET_OWORD_FIELD(nic_stat, FRF_BB_EE_STRAP_EN, 1);
-		EFX_SET_OWORD_FIELD(nic_stat, FRF_BB_EE_STRAP, strap_val);
-		efx_writeo(efx, &nic_stat, FR_AB_NIC_STAT);
-	} else {
-		/* Falcon A1 does not support 1G/10G speed switching
-		 * and must not be used with a PHY that does. */
-		BUG_ON(EFX_OWORD_FIELD(nic_stat, FRF_AB_STRAP_PINS) !=
-		       strap_val);
-	}
-
 	if (old_mac_op == efx->mac_op)
 		goto out;
 
+	falcon_clock_mac(efx);
+
 	EFX_LOG(efx, "selected %cMAC\n", EFX_IS10G(efx) ? 'X' : 'G');
 	/* Not all macs support a mac-level link state */
 	efx->mac_up = true;
@@ -2982,6 +2987,9 @@ int falcon_init_nic(struct efx_nic *efx)
 		efx_writeo(efx, &temp, FR_AB_GPIO_CTL);
 	}
 
+	/* Select the correct MAC */
+	falcon_clock_mac(efx);
+
 	rc = falcon_reset_sram(efx);
 	if (rc)
 		return rc;
-- 
GitLab


From 1dfc5ceacd00365a9089e98643f4b26253d5a6aa Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Wed, 25 Nov 2009 16:11:19 +0000
Subject: [PATCH 1551/1815] sfc: Hold MAC lock for longer in efx_init_port()

Although efx_init_port() is only called at probe time and so cannot
race with port reconfiguration, most of the functions it calls can
expect to be called with the MAC lock held.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 4ebad613e6d..155aa1cca36 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -737,23 +737,27 @@ static int efx_init_port(struct efx_nic *efx)
 
 	EFX_LOG(efx, "init port\n");
 
+	mutex_lock(&efx->mac_lock);
+
 	rc = efx->phy_op->init(efx);
 	if (rc)
-		return rc;
-	mutex_lock(&efx->mac_lock);
+		goto fail1;
 	efx->phy_op->reconfigure(efx);
 	rc = falcon_switch_mac(efx);
-	mutex_unlock(&efx->mac_lock);
 	if (rc)
-		goto fail;
+		goto fail2;
 	efx->mac_op->reconfigure(efx);
 
 	efx->port_initialized = true;
 	efx_stats_enable(efx);
+
+	mutex_unlock(&efx->mac_lock);
 	return 0;
 
-fail:
+fail2:
 	efx->phy_op->fini(efx);
+fail1:
+	mutex_unlock(&efx->mac_lock);
 	return rc;
 }
 
-- 
GitLab


From 55edc6e6ff728681ebc10d418222740705376664 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Wed, 25 Nov 2009 16:11:35 +0000
Subject: [PATCH 1552/1815] sfc: Split MAC stats DMA initiation and completion
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

From: Steve Hodgson <shodgson@solarflare.com>

Currently we initiate MAC stats DMA and busy-wait for completion when
stats are requested.  We can improve on this with a periodic timer to
initiate and poll for stats, and opportunistically poll when stats are
requested.

Since efx_nic::stats_disable_count and efx_stats_{disable,enable}()
are Falcon-specific, rename them and move them accordingly.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c           |  48 ++++--------
 drivers/net/sfc/efx.h           |   2 -
 drivers/net/sfc/falcon.c        | 131 ++++++++++++++++++++++++--------
 drivers/net/sfc/falcon.h        |  12 ++-
 drivers/net/sfc/falcon_boards.c |  10 +--
 drivers/net/sfc/falcon_gmac.c   |   5 --
 drivers/net/sfc/falcon_xmac.c   |  13 ++--
 drivers/net/sfc/net_driver.h    |   2 -
 drivers/net/sfc/tenxpress.c     |   4 +-
 9 files changed, 139 insertions(+), 88 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 155aa1cca36..41ca5dbb4c4 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -637,6 +637,7 @@ void __efx_reconfigure_port(struct efx_nic *efx)
 		netif_addr_unlock_bh(efx->net_dev);
 	}
 
+	falcon_stop_nic_stats(efx);
 	falcon_deconfigure_mac_wrapper(efx);
 
 	/* Reconfigure the PHY, disabling transmit in mac level loopback. */
@@ -651,6 +652,8 @@ void __efx_reconfigure_port(struct efx_nic *efx)
 
 	efx->mac_op->reconfigure(efx);
 
+	falcon_start_nic_stats(efx);
+
 	/* Inform kernel of loss/gain of carrier */
 	efx_link_status_changed(efx);
 	return;
@@ -749,7 +752,6 @@ static int efx_init_port(struct efx_nic *efx)
 	efx->mac_op->reconfigure(efx);
 
 	efx->port_initialized = true;
-	efx_stats_enable(efx);
 
 	mutex_unlock(&efx->mac_lock);
 	return 0;
@@ -802,7 +804,6 @@ static void efx_fini_port(struct efx_nic *efx)
 	if (!efx->port_initialized)
 		return;
 
-	efx_stats_disable(efx);
 	efx->phy_op->fini(efx);
 	efx->port_initialized = false;
 
@@ -1158,6 +1159,8 @@ static void efx_start_all(struct efx_nic *efx)
 	if (efx->state == STATE_RUNNING)
 		queue_delayed_work(efx->workqueue, &efx->monitor_work,
 				   efx_monitor_interval);
+
+	falcon_start_nic_stats(efx);
 }
 
 /* Flush all delayed work. Should only be called when no more delayed work
@@ -1195,6 +1198,8 @@ static void efx_stop_all(struct efx_nic *efx)
 	if (!efx->port_enabled)
 		return;
 
+	falcon_stop_nic_stats(efx);
+
 	/* Disable interrupts and wait for ISR to complete */
 	falcon_disable_interrupts(efx);
 	if (efx->legacy_irq)
@@ -1438,20 +1443,6 @@ static int efx_net_stop(struct net_device *net_dev)
 	return 0;
 }
 
-void efx_stats_disable(struct efx_nic *efx)
-{
-	spin_lock(&efx->stats_lock);
-	++efx->stats_disable_count;
-	spin_unlock(&efx->stats_lock);
-}
-
-void efx_stats_enable(struct efx_nic *efx)
-{
-	spin_lock(&efx->stats_lock);
-	--efx->stats_disable_count;
-	spin_unlock(&efx->stats_lock);
-}
-
 /* Context: process, dev_base_lock or RTNL held, non-blocking. */
 static struct net_device_stats *efx_net_stats(struct net_device *net_dev)
 {
@@ -1459,17 +1450,9 @@ static struct net_device_stats *efx_net_stats(struct net_device *net_dev)
 	struct efx_mac_stats *mac_stats = &efx->mac_stats;
 	struct net_device_stats *stats = &net_dev->stats;
 
-	/* Update stats if possible, but do not wait if another thread
-	 * is updating them or if MAC stats fetches are temporarily
-	 * disabled; slightly stale stats are acceptable.
-	 */
-	if (!spin_trylock(&efx->stats_lock))
-		return stats;
-	if (!efx->stats_disable_count) {
-		efx->mac_op->update_stats(efx);
-		falcon_update_nic_stats(efx);
-	}
-	spin_unlock(&efx->stats_lock);
+	spin_lock_bh(&efx->stats_lock);
+	falcon_update_nic_stats(efx);
+	spin_unlock_bh(&efx->stats_lock);
 
 	stats->rx_packets = mac_stats->rx_packets;
 	stats->tx_packets = mac_stats->tx_packets;
@@ -1726,7 +1709,6 @@ void efx_reset_down(struct efx_nic *efx, enum reset_type method,
 {
 	EFX_ASSERT_RESET_SERIALISED(efx);
 
-	efx_stats_disable(efx);
 	efx_stop_all(efx);
 	mutex_lock(&efx->mac_lock);
 	mutex_lock(&efx->spi_lock);
@@ -1776,10 +1758,8 @@ int efx_reset_up(struct efx_nic *efx, enum reset_type method,
 	mutex_unlock(&efx->spi_lock);
 	mutex_unlock(&efx->mac_lock);
 
-	if (ok) {
+	if (ok)
 		efx_start_all(efx);
-		efx_stats_enable(efx);
-	}
 	return rc;
 }
 
@@ -1977,7 +1957,6 @@ static int efx_init_struct(struct efx_nic *efx, struct efx_nic_type *type,
 	efx->rx_checksum_enabled = true;
 	spin_lock_init(&efx->netif_stop_lock);
 	spin_lock_init(&efx->stats_lock);
-	efx->stats_disable_count = 1;
 	mutex_init(&efx->mac_lock);
 	efx->mac_op = &efx_dummy_mac_operations;
 	efx->phy_op = &efx_dummy_phy_operations;
@@ -2219,9 +2198,8 @@ static int __devinit efx_pci_probe(struct pci_dev *pci_dev,
 		goto fail4;
 	}
 
-	/* Switch to the running state before we expose the device to
-	 * the OS.  This is to ensure that the initial gathering of
-	 * MAC stats succeeds. */
+	/* Switch to the running state before we expose the device to the OS,
+	 * so that dev_open()|efx_start_all() will actually start the device */
 	efx->state = STATE_RUNNING;
 
 	rc = efx_register_netdev(efx);
diff --git a/drivers/net/sfc/efx.h b/drivers/net/sfc/efx.h
index 7acf82108a4..01b93f93d31 100644
--- a/drivers/net/sfc/efx.h
+++ b/drivers/net/sfc/efx.h
@@ -60,8 +60,6 @@ extern void efx_process_channel_now(struct efx_channel *channel);
 #define EFX_EVQ_MASK (EFX_EVQ_SIZE - 1)
 
 /* Ports */
-extern void efx_stats_disable(struct efx_nic *efx);
-extern void efx_stats_enable(struct efx_nic *efx);
 extern void efx_reconfigure_port(struct efx_nic *efx);
 extern void __efx_reconfigure_port(struct efx_nic *efx);
 
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 9eec8850210..3ab2daff6b4 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -36,8 +36,6 @@
  **************************************************************************
  */
 
-static int disable_dma_stats;
-
 /* This is set to 16 for a good reason.  In summary, if larger than
  * 16, the descriptor cache holds more than a default socket
  * buffer's worth of packets (for UDP we can only have at most one
@@ -1890,7 +1888,7 @@ static int falcon_reset_macs(struct efx_nic *efx)
 
 	/* MAC stats will fail whilst the TX fifo is draining. Serialise
 	 * the drain sequence with the statistics fetch */
-	efx_stats_disable(efx);
+	falcon_stop_nic_stats(efx);
 
 	efx_reado(efx, &reg, FR_AB_MAC_CTRL);
 	EFX_SET_OWORD_FIELD(reg, FRF_BB_TXFIFO_DRAIN_EN, 1);
@@ -1920,13 +1918,13 @@ static int falcon_reset_macs(struct efx_nic *efx)
 		udelay(10);
 	}
 
-	efx_stats_enable(efx);
-
 	/* If we've reset the EM block and the link is up, then
 	 * we'll have to kick the XAUI link so the PHY can recover */
 	if (efx->link_state.up && EFX_IS10G(efx) && EFX_WORKAROUND_5147(efx))
 		falcon_reset_xaui(efx);
 
+	falcon_start_nic_stats(efx);
+
 	return 0;
 }
 
@@ -2010,25 +2008,19 @@ void falcon_reconfigure_mac_wrapper(struct efx_nic *efx)
 	efx_writeo(efx, &reg, FR_AZ_RX_CFG);
 }
 
-int falcon_dma_stats(struct efx_nic *efx, unsigned int done_offset)
+static void falcon_stats_request(struct efx_nic *efx)
 {
+	struct falcon_nic_data *nic_data = efx->nic_data;
 	efx_oword_t reg;
-	u32 *dma_done;
-	int i;
 
-	if (disable_dma_stats)
-		return 0;
+	WARN_ON(nic_data->stats_pending);
+	WARN_ON(nic_data->stats_disable_count);
 
-	/* Statistics fetch will fail if the MAC is in TX drain */
-	if (falcon_rev(efx) >= FALCON_REV_B0) {
-		efx_oword_t temp;
-		efx_reado(efx, &temp, FR_AB_MAC_CTRL);
-		if (EFX_OWORD_FIELD(temp, FRF_BB_TXFIFO_DRAIN_EN))
-			return 0;
-	}
+	if (nic_data->stats_dma_done == NULL)
+		return;	/* no mac selected */
 
-	dma_done = (efx->stats_buffer.addr + done_offset);
-	*dma_done = FALCON_STATS_NOT_DONE;
+	*nic_data->stats_dma_done = FALCON_STATS_NOT_DONE;
+	nic_data->stats_pending = true;
 	wmb(); /* ensure done flag is clear */
 
 	/* Initiate DMA transfer of stats */
@@ -2038,17 +2030,37 @@ int falcon_dma_stats(struct efx_nic *efx, unsigned int done_offset)
 			     efx->stats_buffer.dma_addr);
 	efx_writeo(efx, &reg, FR_AB_MAC_STAT_DMA);
 
-	/* Wait for transfer to complete */
-	for (i = 0; i < 400; i++) {
-		if (*(volatile u32 *)dma_done == FALCON_STATS_DONE) {
-			rmb(); /* Ensure the stats are valid. */
-			return 0;
-		}
-		udelay(10);
+	mod_timer(&nic_data->stats_timer, round_jiffies_up(jiffies + HZ / 2));
+}
+
+static void falcon_stats_complete(struct efx_nic *efx)
+{
+	struct falcon_nic_data *nic_data = efx->nic_data;
+
+	if (!nic_data->stats_pending)
+		return;
+
+	nic_data->stats_pending = 0;
+	if (*nic_data->stats_dma_done == FALCON_STATS_DONE) {
+		rmb(); /* read the done flag before the stats */
+		efx->mac_op->update_stats(efx);
+	} else {
+		EFX_ERR(efx, "timed out waiting for statistics\n");
 	}
+}
 
-	EFX_ERR(efx, "timed out waiting for statistics\n");
-	return -ETIMEDOUT;
+static void falcon_stats_timer_func(unsigned long context)
+{
+	struct efx_nic *efx = (struct efx_nic *)context;
+	struct falcon_nic_data *nic_data = efx->nic_data;
+
+	spin_lock(&efx->stats_lock);
+
+	falcon_stats_complete(efx);
+	if (nic_data->stats_disable_count == 0)
+		falcon_stats_request(efx);
+
+	spin_unlock(&efx->stats_lock);
 }
 
 /**************************************************************************
@@ -2206,10 +2218,12 @@ static void falcon_clock_mac(struct efx_nic *efx)
 int falcon_switch_mac(struct efx_nic *efx)
 {
 	struct efx_mac_operations *old_mac_op = efx->mac_op;
+	struct falcon_nic_data *nic_data = efx->nic_data;
+	unsigned int stats_done_offset;
 	int rc = 0;
 
 	/* Don't try to fetch MAC stats while we're switching MACs */
-	efx_stats_disable(efx);
+	falcon_stop_nic_stats(efx);
 
 	/* Internal loopbacks override the phy speed setting */
 	if (efx->loopback_mode == LOOPBACK_GMAC) {
@@ -2224,6 +2238,12 @@ int falcon_switch_mac(struct efx_nic *efx)
 	efx->mac_op = (EFX_IS10G(efx) ?
 		       &falcon_xmac_operations : &falcon_gmac_operations);
 
+	if (EFX_IS10G(efx))
+		stats_done_offset = XgDmaDone_offset;
+	else
+		stats_done_offset = GDmaDone_offset;
+	nic_data->stats_dma_done = efx->stats_buffer.addr + stats_done_offset;
+
 	if (old_mac_op == efx->mac_op)
 		goto out;
 
@@ -2235,7 +2255,7 @@ int falcon_switch_mac(struct efx_nic *efx)
 
 	rc = falcon_reset_macs(efx);
 out:
-	efx_stats_enable(efx);
+	falcon_start_nic_stats(efx);
 	return rc;
 }
 
@@ -2900,6 +2920,10 @@ int falcon_probe_nic(struct efx_nic *efx)
 		goto fail6;
 	}
 
+	nic_data->stats_disable_count = 1;
+	setup_timer(&nic_data->stats_timer, &falcon_stats_timer_func,
+		    (unsigned long)efx);
+
 	return 0;
 
  fail6:
@@ -3125,11 +3149,58 @@ void falcon_remove_nic(struct efx_nic *efx)
 
 void falcon_update_nic_stats(struct efx_nic *efx)
 {
+	struct falcon_nic_data *nic_data = efx->nic_data;
 	efx_oword_t cnt;
 
+	if (nic_data->stats_disable_count)
+		return;
+
 	efx_reado(efx, &cnt, FR_AZ_RX_NODESC_DROP);
 	efx->n_rx_nodesc_drop_cnt +=
 		EFX_OWORD_FIELD(cnt, FRF_AB_RX_NODESC_DROP_CNT);
+
+	if (nic_data->stats_pending &&
+	    *nic_data->stats_dma_done == FALCON_STATS_DONE) {
+		nic_data->stats_pending = false;
+		rmb(); /* read the done flag before the stats */
+		efx->mac_op->update_stats(efx);
+	}
+}
+
+void falcon_start_nic_stats(struct efx_nic *efx)
+{
+	struct falcon_nic_data *nic_data = efx->nic_data;
+
+	spin_lock_bh(&efx->stats_lock);
+	if (--nic_data->stats_disable_count == 0)
+		falcon_stats_request(efx);
+	spin_unlock_bh(&efx->stats_lock);
+}
+
+void falcon_stop_nic_stats(struct efx_nic *efx)
+{
+	struct falcon_nic_data *nic_data = efx->nic_data;
+	int i;
+
+	might_sleep();
+
+	spin_lock_bh(&efx->stats_lock);
+	++nic_data->stats_disable_count;
+	spin_unlock_bh(&efx->stats_lock);
+
+	del_timer_sync(&nic_data->stats_timer);
+
+	/* Wait enough time for the most recent transfer to
+	 * complete. */
+	for (i = 0; i < 4 && nic_data->stats_pending; i++) {
+		if (*nic_data->stats_dma_done == FALCON_STATS_DONE)
+			break;
+		msleep(1);
+	}
+
+	spin_lock_bh(&efx->stats_lock);
+	falcon_stats_complete(efx);
+	spin_unlock_bh(&efx->stats_lock);
 }
 
 /**************************************************************************
diff --git a/drivers/net/sfc/falcon.h b/drivers/net/sfc/falcon.h
index b331889ca46..61fab0a00cc 100644
--- a/drivers/net/sfc/falcon.h
+++ b/drivers/net/sfc/falcon.h
@@ -75,10 +75,18 @@ struct falcon_board {
  * struct falcon_nic_data - Falcon NIC state
  * @pci_dev2: Secondary function of Falcon A
  * @board: Board state and functions
+ * @stats_disable_count: Nest count for disabling statistics fetches
+ * @stats_pending: Is there a pending DMA of MAC statistics.
+ * @stats_timer: A timer for regularly fetching MAC statistics.
+ * @stats_dma_done: Pointer to the flag which indicates DMA completion.
  */
 struct falcon_nic_data {
 	struct pci_dev *pci_dev2;
 	struct falcon_board board;
+	unsigned int stats_disable_count;
+	bool stats_pending;
+	struct timer_list stats_timer;
+	u32 *stats_dma_done;
 };
 
 static inline struct falcon_board *falcon_board(struct efx_nic *efx)
@@ -128,8 +136,6 @@ extern void falcon_remove_port(struct efx_nic *efx);
 /* MAC/PHY */
 extern int falcon_switch_mac(struct efx_nic *efx);
 extern bool falcon_xaui_link_ok(struct efx_nic *efx);
-extern int falcon_dma_stats(struct efx_nic *efx,
-			    unsigned int done_offset);
 extern void falcon_drain_tx_fifo(struct efx_nic *efx);
 extern void falcon_deconfigure_mac_wrapper(struct efx_nic *efx);
 extern void falcon_reconfigure_mac_wrapper(struct efx_nic *efx);
@@ -154,6 +160,8 @@ extern int falcon_flush_queues(struct efx_nic *efx);
 extern int falcon_reset_hw(struct efx_nic *efx, enum reset_type method);
 extern void falcon_remove_nic(struct efx_nic *efx);
 extern void falcon_update_nic_stats(struct efx_nic *efx);
+extern void falcon_start_nic_stats(struct efx_nic *efx);
+extern void falcon_stop_nic_stats(struct efx_nic *efx);
 extern void falcon_set_multicast_hash(struct efx_nic *efx);
 extern int falcon_reset_xaui(struct efx_nic *efx);
 
diff --git a/drivers/net/sfc/falcon_boards.c b/drivers/net/sfc/falcon_boards.c
index ac1258ea677..72d1c7834e6 100644
--- a/drivers/net/sfc/falcon_boards.c
+++ b/drivers/net/sfc/falcon_boards.c
@@ -347,14 +347,14 @@ static ssize_t set_phy_flash_cfg(struct device *dev,
 		 * MAC stats accordingly. */
 		efx->phy_mode = new_mode;
 		if (new_mode & PHY_MODE_SPECIAL)
-			efx_stats_disable(efx);
+			falcon_stop_nic_stats(efx);
 		if (falcon_board(efx)->type->id == FALCON_BOARD_SFE4001)
 			err = sfe4001_poweron(efx);
 		else
 			err = sfn4111t_reset(efx);
 		efx_reconfigure_port(efx);
 		if (!(new_mode & PHY_MODE_SPECIAL))
-			efx_stats_enable(efx);
+			falcon_start_nic_stats(efx);
 	}
 	rtnl_unlock();
 
@@ -441,7 +441,7 @@ static int sfe4001_init(struct efx_nic *efx)
 	if (efx->phy_mode & PHY_MODE_SPECIAL) {
 		/* PHY won't generate a 156.25 MHz clock and MAC stats fetch
 		 * will fail. */
-		efx_stats_disable(efx);
+		falcon_stop_nic_stats(efx);
 	}
 	rc = sfe4001_poweron(efx);
 	if (rc)
@@ -504,7 +504,7 @@ static void sfn4111t_init_phy(struct efx_nic *efx)
 			return;
 
 		efx->phy_mode = PHY_MODE_SPECIAL;
-		efx_stats_disable(efx);
+		falcon_stop_nic_stats(efx);
 	}
 
 	sfn4111t_reset(efx);
@@ -531,7 +531,7 @@ static int sfn4111t_init(struct efx_nic *efx)
 	if (efx->phy_mode & PHY_MODE_SPECIAL)
 		/* PHY may not generate a 156.25 MHz clock and MAC
 		 * stats fetch will fail. */
-		efx_stats_disable(efx);
+		falcon_stop_nic_stats(efx);
 
 	return 0;
 
diff --git a/drivers/net/sfc/falcon_gmac.c b/drivers/net/sfc/falcon_gmac.c
index 967f3fb397c..2aeb3fc0278 100644
--- a/drivers/net/sfc/falcon_gmac.c
+++ b/drivers/net/sfc/falcon_gmac.c
@@ -130,11 +130,6 @@ static void falcon_update_stats_gmac(struct efx_nic *efx)
 	struct efx_mac_stats *mac_stats = &efx->mac_stats;
 	unsigned long old_rx_pause, old_tx_pause;
 	unsigned long new_rx_pause, new_tx_pause;
-	int rc;
-
-	rc = falcon_dma_stats(efx, GDmaDone_offset);
-	if (rc)
-		return;
 
 	/* Pause frames are erroneously counted as errors (SFC bug 3269) */
 	old_rx_pause = mac_stats->rx_pause;
diff --git a/drivers/net/sfc/falcon_xmac.c b/drivers/net/sfc/falcon_xmac.c
index cf24513900e..e57545de60f 100644
--- a/drivers/net/sfc/falcon_xmac.c
+++ b/drivers/net/sfc/falcon_xmac.c
@@ -60,9 +60,13 @@ static void falcon_setup_xaui(struct efx_nic *efx)
 
 int falcon_reset_xaui(struct efx_nic *efx)
 {
+	struct falcon_nic_data *nic_data = efx->nic_data;
 	efx_oword_t reg;
 	int count;
 
+	/* Don't fetch MAC statistics over an XMAC reset */
+	WARN_ON(nic_data->stats_disable_count == 0);
+
 	/* Start reset sequence */
 	EFX_POPULATE_OWORD_1(reg, FRF_AB_XX_RST_XX_EN, 1);
 	efx_writeo(efx, &reg, FR_AB_XX_PWR_RST);
@@ -250,6 +254,8 @@ static void falcon_check_xaui_link_up(struct efx_nic *efx, int tries)
 		/* XAUI link is expected to be down */
 		return;
 
+	falcon_stop_nic_stats(efx);
+
 	while (!efx->mac_up && tries) {
 		EFX_LOG(efx, "bashing xaui\n");
 		falcon_reset_xaui(efx);
@@ -258,6 +264,8 @@ static void falcon_check_xaui_link_up(struct efx_nic *efx, int tries)
 		efx->mac_up = falcon_xaui_link_ok(efx);
 		--tries;
 	}
+
+	falcon_start_nic_stats(efx);
 }
 
 static void falcon_reconfigure_xmac(struct efx_nic *efx)
@@ -276,11 +284,6 @@ static void falcon_reconfigure_xmac(struct efx_nic *efx)
 static void falcon_update_stats_xmac(struct efx_nic *efx)
 {
 	struct efx_mac_stats *mac_stats = &efx->mac_stats;
-	int rc;
-
-	rc = falcon_dma_stats(efx, XgDmaDone_offset);
-	if (rc)
-		return;
 
 	/* Update MAC stats from DMAed values */
 	FALCON_STAT(efx, XgRxOctets, rx_bytes);
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index d0755ab056f..262aeabdcab 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -717,7 +717,6 @@ union efx_multicast_hash {
  *	&struct net_device_stats.
  * @stats_buffer: DMA buffer for statistics
  * @stats_lock: Statistics update lock. Serialises statistics fetches
- * @stats_disable_count: Nest count for disabling statistics fetches
  * @mac_op: MAC interface
  * @mac_address: Permanent MAC address
  * @phy_type: PHY type
@@ -799,7 +798,6 @@ struct efx_nic {
 	struct efx_mac_stats mac_stats;
 	struct efx_buffer stats_buffer;
 	spinlock_t stats_lock;
-	unsigned int stats_disable_count;
 
 	struct efx_mac_operations *mac_op;
 	unsigned char mac_address[ETH_ALEN];
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c
index a95402d601c..e6232fe2607 100644
--- a/drivers/net/sfc/tenxpress.c
+++ b/drivers/net/sfc/tenxpress.c
@@ -374,7 +374,7 @@ static int tenxpress_special_reset(struct efx_nic *efx)
 	/* The XGMAC clock is driven from the SFC7101/SFT9001 312MHz clock, so
 	 * a special software reset can glitch the XGMAC sufficiently for stats
 	 * requests to fail. */
-	efx_stats_disable(efx);
+	falcon_stop_nic_stats(efx);
 
 	/* Initiate reset */
 	reg = efx_mdio_read(efx, MDIO_MMD_PMAPMD, PMA_PMD_XCONTROL_REG);
@@ -396,7 +396,7 @@ static int tenxpress_special_reset(struct efx_nic *efx)
 	/* Wait for the XGXS state machine to churn */
 	mdelay(10);
 out:
-	efx_stats_enable(efx);
+	falcon_start_nic_stats(efx);
 	return rc;
 }
 
-- 
GitLab


From fe75820b99ff2de713de23252432f0f9d0ca1d35 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Wed, 25 Nov 2009 16:11:45 +0000
Subject: [PATCH 1553/1815] sfc: Move Falcon board/PHY/MAC monitoring code to
 falcon.c

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c    | 11 +----------
 drivers/net/sfc/falcon.c | 15 +++++++++++++++
 drivers/net/sfc/falcon.h |  1 +
 3 files changed, 17 insertions(+), 10 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 41ca5dbb4c4..d17cea9f4e8 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -1293,7 +1293,6 @@ static void efx_monitor(struct work_struct *data)
 {
 	struct efx_nic *efx = container_of(data, struct efx_nic,
 					   monitor_work.work);
-	int rc;
 
 	EFX_TRACE(efx, "hardware monitor executing on CPU %d\n",
 		  raw_smp_processor_id());
@@ -1305,15 +1304,7 @@ static void efx_monitor(struct work_struct *data)
 		goto out_requeue;
 	if (!efx->port_enabled)
 		goto out_unlock;
-	rc = falcon_board(efx)->type->monitor(efx);
-	if (rc) {
-		EFX_ERR(efx, "Board sensor %s; shutting down PHY\n",
-			(rc == -ERANGE) ? "reported fault" : "failed");
-		efx->phy_mode |= PHY_MODE_LOW_POWER;
-		falcon_sim_phy_event(efx);
-	}
-	efx->phy_op->poll(efx);
-	efx->mac_op->poll(efx);
+	falcon_monitor(efx);
 
 out_unlock:
 	mutex_unlock(&efx->mac_lock);
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 3ab2daff6b4..c43c5e6f077 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -2612,6 +2612,21 @@ fail5:
 	return rc;
 }
 
+void falcon_monitor(struct efx_nic *efx)
+{
+	int rc;
+
+	rc = falcon_board(efx)->type->monitor(efx);
+	if (rc) {
+		EFX_ERR(efx, "Board sensor %s; shutting down PHY\n",
+			(rc == -ERANGE) ? "reported fault" : "failed");
+		efx->phy_mode |= PHY_MODE_LOW_POWER;
+		falcon_sim_phy_event(efx);
+	}
+	efx->phy_op->poll(efx);
+	efx->mac_op->poll(efx);
+}
+
 /* Zeroes out the SRAM contents.  This routine must be called in
  * process context and is allowed to sleep.
  */
diff --git a/drivers/net/sfc/falcon.h b/drivers/net/sfc/falcon.h
index 61fab0a00cc..05e51c2a6d8 100644
--- a/drivers/net/sfc/falcon.h
+++ b/drivers/net/sfc/falcon.h
@@ -158,6 +158,7 @@ extern int falcon_probe_nic(struct efx_nic *efx);
 extern int falcon_init_nic(struct efx_nic *efx);
 extern int falcon_flush_queues(struct efx_nic *efx);
 extern int falcon_reset_hw(struct efx_nic *efx, enum reset_type method);
+extern void falcon_monitor(struct efx_nic *efx);
 extern void falcon_remove_nic(struct efx_nic *efx);
 extern void falcon_update_nic_stats(struct efx_nic *efx);
 extern void falcon_start_nic_stats(struct efx_nic *efx);
-- 
GitLab


From 9007b9fa368b172e6b9a985899080fbebb7d3204 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Wed, 25 Nov 2009 16:12:01 +0000
Subject: [PATCH 1554/1815] sfc: Simplify XMAC link polling
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

From: Steve Hodgson <shodgson@solarflare.com>

Only the XMAC on Falcon needs help from the driver to poll and reset
the MAC-PHY link (XAUI); GMII is a simple parallel bus and on later
NICs firmware takes care of the XAUI link.  Also, an XMAC interrupt
currently schedules a work item which simply clears a flag
(efx_nic::mac_up) to be checked by the regular monitor (or the next
link reconfiguration, if that is sooner).

Rename the flag to xmac_poll_required, changing its sense.  Remove the
needless indirection and just set the flag immediately.  Call
falcon_xmac_poll() directly where required.

Add a new generic operation mac_op::check_fault to check the link
outside of regular monitoring, as required during self-tests.

(Note that this leaves us with an unused work item, but we will
immediately have another use for it.)

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c           |  5 ----
 drivers/net/sfc/falcon.c        |  7 +++--
 drivers/net/sfc/falcon.h        |  2 ++
 drivers/net/sfc/falcon_boards.c |  4 +--
 drivers/net/sfc/falcon_gmac.c   |  8 ++++--
 drivers/net/sfc/falcon_xmac.c   | 50 +++++++++++++--------------------
 drivers/net/sfc/net_driver.h    | 10 +++----
 drivers/net/sfc/selftest.c      |  9 ++----
 8 files changed, 41 insertions(+), 54 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index d17cea9f4e8..15616dd9ed4 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -693,8 +693,6 @@ static void efx_mac_work(struct work_struct *data)
 	struct efx_nic *efx = container_of(data, struct efx_nic, mac_work);
 
 	mutex_lock(&efx->mac_lock);
-	if (efx->port_enabled)
-		efx->mac_op->irq(efx);
 	mutex_unlock(&efx->mac_lock);
 }
 
@@ -774,7 +772,6 @@ static void efx_start_port(struct efx_nic *efx)
 	mutex_lock(&efx->mac_lock);
 	efx->port_enabled = true;
 	__efx_reconfigure_port(efx);
-	efx->mac_op->irq(efx);
 	mutex_unlock(&efx->mac_lock);
 }
 
@@ -1903,8 +1900,6 @@ void efx_port_dummy_op_set_id_led(struct efx_nic *efx, enum efx_led_mode mode)
 
 static struct efx_mac_operations efx_dummy_mac_operations = {
 	.reconfigure	= efx_port_dummy_op_void,
-	.poll		= efx_port_dummy_op_void,
-	.irq		= efx_port_dummy_op_void,
 };
 
 static struct efx_phy_operations efx_dummy_phy_operations = {
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index c43c5e6f077..fac534a274c 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -900,7 +900,7 @@ static void falcon_handle_global_event(struct efx_channel *channel,
 
 	if ((falcon_rev(efx) >= FALCON_REV_B0) &&
 	    EFX_QWORD_FIELD(*event, FSF_BB_GLB_EV_XG_MGT_INTR)) {
-		queue_work(efx->workqueue, &efx->mac_work);
+		efx->xmac_poll_required = true;
 		handled = true;
 	}
 
@@ -2251,7 +2251,7 @@ int falcon_switch_mac(struct efx_nic *efx)
 
 	EFX_LOG(efx, "selected %cMAC\n", EFX_IS10G(efx) ? 'X' : 'G');
 	/* Not all macs support a mac-level link state */
-	efx->mac_up = true;
+	efx->xmac_poll_required = false;
 
 	rc = falcon_reset_macs(efx);
 out:
@@ -2624,7 +2624,8 @@ void falcon_monitor(struct efx_nic *efx)
 		falcon_sim_phy_event(efx);
 	}
 	efx->phy_op->poll(efx);
-	efx->mac_op->poll(efx);
+	if (EFX_IS10G(efx))
+		falcon_poll_xmac(efx);
 }
 
 /* Zeroes out the SRAM contents.  This routine must be called in
diff --git a/drivers/net/sfc/falcon.h b/drivers/net/sfc/falcon.h
index 05e51c2a6d8..9ae1b6c8474 100644
--- a/drivers/net/sfc/falcon.h
+++ b/drivers/net/sfc/falcon.h
@@ -209,4 +209,6 @@ extern int falcon_test_registers(struct efx_nic *efx);
 extern void falcon_generate_event(struct efx_channel *channel,
 				  efx_qword_t *event);
 
+extern void falcon_poll_xmac(struct efx_nic *efx);
+
 #endif /* EFX_FALCON_H */
diff --git a/drivers/net/sfc/falcon_boards.c b/drivers/net/sfc/falcon_boards.c
index 72d1c7834e6..da750959c61 100644
--- a/drivers/net/sfc/falcon_boards.c
+++ b/drivers/net/sfc/falcon_boards.c
@@ -380,7 +380,7 @@ static int sfe4001_check_hw(struct efx_nic *efx)
 	s32 status;
 
 	/* If XAUI link is up then do not monitor */
-	if (EFX_WORKAROUND_7884(efx) && efx->mac_up)
+	if (EFX_WORKAROUND_7884(efx) && !efx->xmac_poll_required)
 		return 0;
 
 	/* Check the powered status of the PHY. Lack of power implies that
@@ -468,7 +468,7 @@ static int sfn4111t_check_hw(struct efx_nic *efx)
 	s32 status;
 
 	/* If XAUI link is up then do not monitor */
-	if (EFX_WORKAROUND_7884(efx) && efx->mac_up)
+	if (EFX_WORKAROUND_7884(efx) && !efx->xmac_poll_required)
 		return 0;
 
 	/* Test LHIGH, RHIGH, FAULT, EOT and IOT alarms */
diff --git a/drivers/net/sfc/falcon_gmac.c b/drivers/net/sfc/falcon_gmac.c
index 2aeb3fc0278..66d499cc23f 100644
--- a/drivers/net/sfc/falcon_gmac.c
+++ b/drivers/net/sfc/falcon_gmac.c
@@ -216,9 +216,13 @@ static void falcon_update_stats_gmac(struct efx_nic *efx)
 	mac_stats->rx_lt64 = mac_stats->rx_good_lt64 + mac_stats->rx_bad_lt64;
 }
 
+static bool falcon_gmac_check_fault(struct efx_nic *efx)
+{
+	return false;
+}
+
 struct efx_mac_operations falcon_gmac_operations = {
 	.reconfigure	= falcon_reconfigure_gmac,
 	.update_stats	= falcon_update_stats_gmac,
-	.irq		= efx_port_dummy_op_void,
-	.poll		= efx_port_dummy_op_void,
+	.check_fault 	= falcon_gmac_check_fault,
 };
diff --git a/drivers/net/sfc/falcon_xmac.c b/drivers/net/sfc/falcon_xmac.c
index e57545de60f..784260f63d4 100644
--- a/drivers/net/sfc/falcon_xmac.c
+++ b/drivers/net/sfc/falcon_xmac.c
@@ -98,7 +98,7 @@ static void falcon_mask_status_intr(struct efx_nic *efx, bool enable)
 
 	/* We can only use this interrupt to signal the negative edge of
 	 * xaui_align [we have to poll the positive edge]. */
-	if (!efx->mac_up)
+	if (efx->xmac_poll_required)
 		return;
 
 	/* Flush the ISR */
@@ -243,29 +243,35 @@ static void falcon_reconfigure_xgxs_core(struct efx_nic *efx)
 }
 
 
-/* Try and bring the Falcon side of the Falcon-Phy XAUI link fails
- * to come back up. Bash it until it comes back up */
-static void falcon_check_xaui_link_up(struct efx_nic *efx, int tries)
+/* Try to bring up the Falcon side of the Falcon-Phy XAUI link */
+static bool falcon_check_xaui_link_up(struct efx_nic *efx, int tries)
 {
-	efx->mac_up = falcon_xaui_link_ok(efx);
+	bool mac_up = falcon_xaui_link_ok(efx);
 
 	if ((efx->loopback_mode == LOOPBACK_NETWORK) ||
 	    efx_phy_mode_disabled(efx->phy_mode))
 		/* XAUI link is expected to be down */
-		return;
+		return mac_up;
 
 	falcon_stop_nic_stats(efx);
 
-	while (!efx->mac_up && tries) {
+	while (!mac_up && tries) {
 		EFX_LOG(efx, "bashing xaui\n");
 		falcon_reset_xaui(efx);
 		udelay(200);
 
-		efx->mac_up = falcon_xaui_link_ok(efx);
+		mac_up = falcon_xaui_link_ok(efx);
 		--tries;
 	}
 
 	falcon_start_nic_stats(efx);
+
+	return mac_up;
+}
+
+static bool falcon_xmac_check_fault(struct efx_nic *efx)
+{
+	return !falcon_check_xaui_link_up(efx, 5);
 }
 
 static void falcon_reconfigure_xmac(struct efx_nic *efx)
@@ -277,7 +283,7 @@ static void falcon_reconfigure_xmac(struct efx_nic *efx)
 
 	falcon_reconfigure_mac_wrapper(efx);
 
-	falcon_check_xaui_link_up(efx, 5);
+	efx->xmac_poll_required = !falcon_check_xaui_link_up(efx, 5);
 	falcon_mask_status_intr(efx, true);
 }
 
@@ -341,35 +347,19 @@ static void falcon_update_stats_xmac(struct efx_nic *efx)
 		 mac_stats->rx_control * 64);
 }
 
-static void falcon_xmac_irq(struct efx_nic *efx)
-{
-	/* The XGMII link has a transient fault, which indicates either:
-	 *   - there's a transient xgmii fault
-	 *   - falcon's end of the xaui link may need a kick
-	 *   - the wire-side link may have gone down, but the lasi/poll()
-	 *     hasn't noticed yet.
-	 *
-	 * We only want to even bother polling XAUI if we're confident it's
-	 * not (1) or (3). In both cases, the only reliable way to spot this
-	 * is to wait a bit. We do this here by forcing the mac link state
-	 * to down, and waiting for the mac poll to come round and check
-	 */
-	efx->mac_up = false;
-}
-
-static void falcon_poll_xmac(struct efx_nic *efx)
+void falcon_poll_xmac(struct efx_nic *efx)
 {
-	if (!EFX_WORKAROUND_5147(efx) || !efx->link_state.up || efx->mac_up)
+	if (!EFX_WORKAROUND_5147(efx) || !efx->link_state.up ||
+	    !efx->xmac_poll_required)
 		return;
 
 	falcon_mask_status_intr(efx, false);
-	falcon_check_xaui_link_up(efx, 1);
+	efx->xmac_poll_required = !falcon_check_xaui_link_up(efx, 1);
 	falcon_mask_status_intr(efx, true);
 }
 
 struct efx_mac_operations falcon_xmac_operations = {
 	.reconfigure	= falcon_reconfigure_xmac,
 	.update_stats	= falcon_update_stats_xmac,
-	.irq		= falcon_xmac_irq,
-	.poll		= falcon_poll_xmac,
+	.check_fault	= falcon_xmac_check_fault,
 };
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index 262aeabdcab..cc1a97b0a0d 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -507,14 +507,12 @@ struct efx_link_state {
  * struct efx_mac_operations - Efx MAC operations table
  * @reconfigure: Reconfigure MAC. Serialised by the mac_lock
  * @update_stats: Update statistics
- * @irq: Hardware MAC event callback. Serialised by the mac_lock
- * @poll: Poll for hardware state. Serialised by the mac_lock
+ * @check_fault: Check fault state. True if fault present.
  */
 struct efx_mac_operations {
 	void (*reconfigure) (struct efx_nic *efx);
 	void (*update_stats) (struct efx_nic *efx);
-	void (*irq) (struct efx_nic *efx);
-	void (*poll) (struct efx_nic *efx);
+	bool (*check_fault)(struct efx_nic *efx);
 };
 
 /**
@@ -725,7 +723,7 @@ union efx_multicast_hash {
  * @phy_data: PHY private data (including PHY-specific stats)
  * @mdio: PHY MDIO interface
  * @phy_mode: PHY operating mode. Serialised by @mac_lock.
- * @mac_up: MAC link state
+ * @xmac_poll_required: XMAC link state needs polling
  * @link_state: Current state of the link
  * @n_link_state_changes: Number of times the link has changed state
  * @promiscuous: Promiscuous flag. Protected by netif_tx_lock.
@@ -810,7 +808,7 @@ struct efx_nic {
 	struct mdio_if_info mdio;
 	enum efx_phy_mode phy_mode;
 
-	bool mac_up;
+	bool xmac_poll_required;
 	struct efx_link_state link_state;
 	unsigned int n_link_state_changes;
 
diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c
index 63ff295334e..23e646a6c2c 100644
--- a/drivers/net/sfc/selftest.c
+++ b/drivers/net/sfc/selftest.c
@@ -610,13 +610,10 @@ static int efx_test_loopbacks(struct efx_nic *efx, struct efx_self_tests *tests,
 			flush_workqueue(efx->workqueue);
 			rmb();
 
-			/* We need both the phy and xaui links to be ok.
-			 * rather than relying on the falcon_xmac irq/poll
-			 * regime, just poll xaui directly */
+			/* We need both the PHY and MAC-PHY links to be OK */
 			link_up = efx->link_state.up;
-			if (link_up && EFX_IS10G(efx) &&
-			    !falcon_xaui_link_ok(efx))
-				link_up = false;
+			if (link_up)
+				link_up = !efx->mac_op->check_fault(efx);
 
 		} while ((++count < 20) && !link_up);
 
-- 
GitLab


From 8be4f3e6f7b670529bd67aa1f0319bec1e29ebcf Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Wed, 25 Nov 2009 16:12:16 +0000
Subject: [PATCH 1555/1815] sfc: Change MAC promiscuity and multicast hash at
 the same time
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

From: Steve Hodgson <shodgson@solarflare.com>

Currently we can set multicast hash immediately (in atomic context)
but must delay setting MAC promiscuity.  There is not that much
point in deferring one but not the other, and setting the multicast
hash on Siena will involve a firmware request.  So process them
both in efx_mac_work().

Also, set the broadcast bit in the multicast hash in
efx_set_multicast_list(), since this is required for both Falcon and
Siena.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c        | 38 +++++++++++++++++++++++-------------
 drivers/net/sfc/falcon.c     | 10 +++-------
 drivers/net/sfc/falcon.h     |  2 +-
 drivers/net/sfc/net_driver.h |  2 +-
 4 files changed, 29 insertions(+), 23 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 15616dd9ed4..1009d1eeba8 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -688,11 +688,18 @@ static void efx_phy_work(struct work_struct *data)
 	mutex_unlock(&efx->mac_lock);
 }
 
+/* Asynchronous work item for changing MAC promiscuity and multicast
+ * hash.  Avoid a drain/rx_ingress enable by reconfiguring the current
+ * MAC directly. */
 static void efx_mac_work(struct work_struct *data)
 {
 	struct efx_nic *efx = container_of(data, struct efx_nic, mac_work);
 
 	mutex_lock(&efx->mac_lock);
+	if (efx->port_enabled) {
+		falcon_push_multicast_hash(efx);
+		efx->mac_op->reconfigure(efx);
+	}
 	mutex_unlock(&efx->mac_lock);
 }
 
@@ -771,7 +778,12 @@ static void efx_start_port(struct efx_nic *efx)
 
 	mutex_lock(&efx->mac_lock);
 	efx->port_enabled = true;
-	__efx_reconfigure_port(efx);
+
+	/* efx_mac_work() might have been scheduled after efx_stop_port(),
+	 * and then cancelled by efx_flush_all() */
+	falcon_push_multicast_hash(efx);
+	efx->mac_op->reconfigure(efx);
+
 	mutex_unlock(&efx->mac_lock);
 }
 
@@ -1534,16 +1546,14 @@ static void efx_set_multicast_list(struct net_device *net_dev)
 	struct efx_nic *efx = netdev_priv(net_dev);
 	struct dev_mc_list *mc_list = net_dev->mc_list;
 	union efx_multicast_hash *mc_hash = &efx->multicast_hash;
-	bool promiscuous = !!(net_dev->flags & IFF_PROMISC);
-	bool changed = (efx->promiscuous != promiscuous);
 	u32 crc;
 	int bit;
 	int i;
 
-	efx->promiscuous = promiscuous;
+	efx->promiscuous = !!(net_dev->flags & IFF_PROMISC);
 
 	/* Build multicast hash table */
-	if (promiscuous || (net_dev->flags & IFF_ALLMULTI)) {
+	if (efx->promiscuous || (net_dev->flags & IFF_ALLMULTI)) {
 		memset(mc_hash, 0xff, sizeof(*mc_hash));
 	} else {
 		memset(mc_hash, 0x00, sizeof(*mc_hash));
@@ -1553,17 +1563,17 @@ static void efx_set_multicast_list(struct net_device *net_dev)
 			set_bit_le(bit, mc_hash->byte);
 			mc_list = mc_list->next;
 		}
-	}
 
-	if (!efx->port_enabled)
-		/* Delay pushing settings until efx_start_port() */
-		return;
-
-	if (changed)
-		queue_work(efx->workqueue, &efx->phy_work);
+		/* Broadcast packets go through the multicast hash filter.
+		 * ether_crc_le() of the broadcast address is 0xbe2612ff
+		 * so we always add bit 0xff to the mask.
+		 */
+		set_bit_le(0xff, mc_hash->byte);
+	}
 
-	/* Create and activate new global multicast hash table */
-	falcon_set_multicast_hash(efx);
+	if (efx->port_enabled)
+		queue_work(efx->workqueue, &efx->mac_work);
+	/* Otherwise efx_start_port() will do this */
 }
 
 static const struct net_device_ops efx_netdev_ops = {
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index fac534a274c..e26043eb01b 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -1993,7 +1993,7 @@ void falcon_reconfigure_mac_wrapper(struct efx_nic *efx)
 	efx_writeo(efx, &reg, FR_AB_MAC_CTRL);
 
 	/* Restore the multicast hash registers. */
-	falcon_set_multicast_hash(efx);
+	falcon_push_multicast_hash(efx);
 
 	/* Transmission of pause frames when RX crosses the threshold is
 	 * covered by RX_XOFF_MAC_EN and XM_TX_CFG_REG:XM_FCNTL.
@@ -2327,15 +2327,11 @@ void falcon_remove_port(struct efx_nic *efx)
  **************************************************************************
  */
 
-void falcon_set_multicast_hash(struct efx_nic *efx)
+void falcon_push_multicast_hash(struct efx_nic *efx)
 {
 	union efx_multicast_hash *mc_hash = &efx->multicast_hash;
 
-	/* Broadcast packets go through the multicast hash filter.
-	 * ether_crc_le() of the broadcast address is 0xbe2612ff
-	 * so we always add bit 0xff to the mask.
-	 */
-	set_bit_le(0xff, mc_hash->byte);
+	WARN_ON(!mutex_is_locked(&efx->mac_lock));
 
 	efx_writeo(efx, &mc_hash->oword[0], FR_AB_MAC_MC_HASH_REG0);
 	efx_writeo(efx, &mc_hash->oword[1], FR_AB_MAC_MC_HASH_REG1);
diff --git a/drivers/net/sfc/falcon.h b/drivers/net/sfc/falcon.h
index 9ae1b6c8474..c70bb084216 100644
--- a/drivers/net/sfc/falcon.h
+++ b/drivers/net/sfc/falcon.h
@@ -163,7 +163,7 @@ extern void falcon_remove_nic(struct efx_nic *efx);
 extern void falcon_update_nic_stats(struct efx_nic *efx);
 extern void falcon_start_nic_stats(struct efx_nic *efx);
 extern void falcon_stop_nic_stats(struct efx_nic *efx);
-extern void falcon_set_multicast_hash(struct efx_nic *efx);
+extern void falcon_push_multicast_hash(struct efx_nic *efx);
 extern int falcon_reset_xaui(struct efx_nic *efx);
 
 /* Tests */
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index cc1a97b0a0d..ead1c982365 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -730,7 +730,7 @@ union efx_multicast_hash {
  * @multicast_hash: Multicast hash table
  * @wanted_fc: Wanted flow control flags
  * @phy_work: work item for dealing with PHY events
- * @mac_work: work item for dealing with MAC events
+ * @mac_work: Work item for changing MAC promiscuity and multicast hash
  * @loopback_mode: Loopback status
  * @loopback_modes: Supported loopback mode bitmask
  * @loopback_selftest: Offline self-test private state
-- 
GitLab


From f30eb23ea50a6be7ea282a2dc3909119892ebc79 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Wed, 25 Nov 2009 16:12:24 +0000
Subject: [PATCH 1556/1815] sfc: Move inline comment into kernel-doc

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/selftest.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c
index 23e646a6c2c..4f4f287f574 100644
--- a/drivers/net/sfc/selftest.c
+++ b/drivers/net/sfc/selftest.c
@@ -55,6 +55,7 @@ static const char *payload_msg =
  * @flush:		Drop all packets in efx_loopback_rx_packet
  * @packet_count:	Number of packets being used in this test
  * @skbs:		An array of skbs transmitted
+ * @offload_csum:	Checksums are being offloaded
  * @rx_good:		RX good packet count
  * @rx_bad:		RX bad packet count
  * @payload:		Payload used in tests
@@ -63,10 +64,7 @@ struct efx_loopback_state {
 	bool flush;
 	int packet_count;
 	struct sk_buff **skbs;
-
-	/* Checksums are being offloaded */
 	bool offload_csum;
-
 	atomic_t rx_good;
 	atomic_t rx_bad;
 	struct efx_loopback_payload payload;
-- 
GitLab


From cc83f6d6922018a1b762f67af539867a6b05398e Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Wed, 25 Nov 2009 16:12:31 +0000
Subject: [PATCH 1557/1815] sfc: Do not set net_device::trans_start in
 self-test

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/selftest.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c
index 4f4f287f574..15806078971 100644
--- a/drivers/net/sfc/selftest.c
+++ b/drivers/net/sfc/selftest.c
@@ -435,7 +435,6 @@ static int efx_begin_loopback(struct efx_tx_queue *tx_queue)
 			kfree_skb(skb);
 			return -EPIPE;
 		}
-		efx->net_dev->trans_start = jiffies;
 	}
 
 	return 0;
-- 
GitLab


From 5e7565930524410f097f5b04f8aba663089a6ffc Mon Sep 17 00:00:00 2001
From: Patrick McHardy <kaber@trash.net>
Date: Wed, 25 Nov 2009 07:54:54 +0000
Subject: [PATCH 1558/1815] vlan: support "loose binding" to the underlying
 network device

Currently the UP/DOWN state of VLANs is synchronized to the state of the
underlying device, meaning all VLANs are set down once the underlying
device is set down. This causes all routes to the VLAN devices to vanish.

Add a flag to specify a "loose binding" mode, in which only the operstate
is transfered, but the VLAN device state is independant.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/if_vlan.h  | 1 +
 net/8021q/vlan.c         | 9 +++++++--
 net/8021q/vlan_dev.c     | 6 ++++--
 net/8021q/vlan_netlink.c | 3 ++-
 4 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index 153f6b9e722..3d870fda8c4 100644
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -339,6 +339,7 @@ enum vlan_ioctl_cmds {
 enum vlan_flags {
 	VLAN_FLAG_REORDER_HDR	= 0x1,
 	VLAN_FLAG_GVRP		= 0x2,
+	VLAN_FLAG_LOOSE_BINDING	= 0x4,
 };
 
 enum vlan_name_types {
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 1483243edf1..225aa2fac0e 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -431,6 +431,7 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
 	struct vlan_group *grp;
 	int i, flgs;
 	struct net_device *vlandev;
+	struct vlan_dev_info *vlan;
 	LIST_HEAD(list);
 
 	if (is_vlan_dev(dev))
@@ -507,7 +508,9 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
 			if (!(flgs & IFF_UP))
 				continue;
 
-			dev_change_flags(vlandev, flgs & ~IFF_UP);
+			vlan = vlan_dev_info(vlandev);
+			if (!(vlan->flags & VLAN_FLAG_LOOSE_BINDING))
+				dev_change_flags(vlandev, flgs & ~IFF_UP);
 			vlan_transfer_operstate(dev, vlandev);
 		}
 		break;
@@ -523,7 +526,9 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
 			if (flgs & IFF_UP)
 				continue;
 
-			dev_change_flags(vlandev, flgs | IFF_UP);
+			vlan = vlan_dev_info(vlandev);
+			if (!(vlan->flags & VLAN_FLAG_LOOSE_BINDING))
+				dev_change_flags(vlandev, flgs | IFF_UP);
 			vlan_transfer_operstate(dev, vlandev);
 		}
 		break;
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index de0dc6bacbe..b7889782047 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -431,7 +431,8 @@ int vlan_dev_change_flags(const struct net_device *dev, u32 flags, u32 mask)
 	struct vlan_dev_info *vlan = vlan_dev_info(dev);
 	u32 old_flags = vlan->flags;
 
-	if (mask & ~(VLAN_FLAG_REORDER_HDR | VLAN_FLAG_GVRP))
+	if (mask & ~(VLAN_FLAG_REORDER_HDR | VLAN_FLAG_GVRP |
+		     VLAN_FLAG_LOOSE_BINDING))
 		return -EINVAL;
 
 	vlan->flags = (old_flags & ~mask) | (flags & mask);
@@ -456,7 +457,8 @@ static int vlan_dev_open(struct net_device *dev)
 	struct net_device *real_dev = vlan->real_dev;
 	int err;
 
-	if (!(real_dev->flags & IFF_UP))
+	if (!(real_dev->flags & IFF_UP) &&
+	    !(vlan->flags & VLAN_FLAG_LOOSE_BINDING))
 		return -ENETDOWN;
 
 	if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr)) {
diff --git a/net/8021q/vlan_netlink.c b/net/8021q/vlan_netlink.c
index 3c9cf6a8e7f..ddc105734af 100644
--- a/net/8021q/vlan_netlink.c
+++ b/net/8021q/vlan_netlink.c
@@ -60,7 +60,8 @@ static int vlan_validate(struct nlattr *tb[], struct nlattr *data[])
 	if (data[IFLA_VLAN_FLAGS]) {
 		flags = nla_data(data[IFLA_VLAN_FLAGS]);
 		if ((flags->flags & flags->mask) &
-		    ~(VLAN_FLAG_REORDER_HDR | VLAN_FLAG_GVRP))
+		    ~(VLAN_FLAG_REORDER_HDR | VLAN_FLAG_GVRP |
+		      VLAN_FLAG_LOOSE_BINDING))
 			return -EINVAL;
 	}
 
-- 
GitLab


From 545750d36fa78203e28acefb4bab61ebb7c4d197 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Mon, 23 Nov 2009 22:21:01 +0100
Subject: [PATCH 1559/1815] ath9k: properly use the mac80211 rate control api

This patch changes ath9k to pass proper MCS indexes and flags
between the RC and the rest of the driver code.
sc->cur_rate_table remains, as it's used by the RC code internally,
but the rest of the driver code no longer uses it, so a potential
new RC for ath9k would not have to update it.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/ath9k.h  |   5 +-
 drivers/net/wireless/ath/ath9k/beacon.c |  10 +-
 drivers/net/wireless/ath/ath9k/debug.c  |  14 +-
 drivers/net/wireless/ath/ath9k/debug.h  |   5 +-
 drivers/net/wireless/ath/ath9k/hw.c     |  12 +-
 drivers/net/wireless/ath/ath9k/hw.h     |   2 +-
 drivers/net/wireless/ath/ath9k/mac.h    |   1 -
 drivers/net/wireless/ath/ath9k/main.c   | 112 ++++-----
 drivers/net/wireless/ath/ath9k/rc.c     | 311 ++++++++++++------------
 drivers/net/wireless/ath/ath9k/rc.h     |   3 +-
 drivers/net/wireless/ath/ath9k/xmit.c   | 110 ++++++---
 11 files changed, 291 insertions(+), 294 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 2a40fa2cd91..9ff53c9c411 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -21,7 +21,6 @@
 #include <linux/device.h>
 #include <linux/leds.h>
 
-#include "rc.h"
 #include "debug.h"
 #include "common.h"
 
@@ -423,6 +422,7 @@ struct ath_led {
 #define SC_OP_BT_PRIORITY_DETECTED BIT(21)
 
 struct ath_wiphy;
+struct ath_rate_table;
 
 struct ath_softc {
 	struct ieee80211_hw *hw;
@@ -467,9 +467,8 @@ struct ath_softc {
 	struct ath_rx rx;
 	struct ath_tx tx;
 	struct ath_beacon beacon;
-	struct ieee80211_rate rates[IEEE80211_NUM_BANDS][ATH_RATE_MAX];
-	const struct ath_rate_table *hw_rate_table[ATH9K_MODE_MAX];
 	const struct ath_rate_table *cur_rate_table;
+	enum wireless_mode cur_rate_mode;
 	struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
 
 	struct ath_led radio_led;
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index b10c884f293..cb774cc828a 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -65,9 +65,9 @@ static void ath_beacon_setup(struct ath_softc *sc, struct ath_vif *avp,
 	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath_desc *ds;
 	struct ath9k_11n_rate_series series[4];
-	const struct ath_rate_table *rt;
 	int flags, antenna, ctsrate = 0, ctsduration = 0;
-	u8 rate;
+	struct ieee80211_supported_band *sband;
+	u8 rate = 0;
 
 	ds = bf->bf_desc;
 	flags = ATH9K_TXDESC_NOACK;
@@ -91,10 +91,10 @@ static void ath_beacon_setup(struct ath_softc *sc, struct ath_vif *avp,
 
 	ds->ds_data = bf->bf_buf_addr;
 
-	rt = sc->cur_rate_table;
-	rate = rt->info[0].ratecode;
+	sband = &sc->sbands[common->hw->conf.channel->band];
+	rate = sband->bitrates[0].hw_value;
 	if (sc->sc_flags & SC_OP_PREAMBLE_SHORT)
-		rate |= rt->info[0].short_preamble;
+		rate |= sband->bitrates[0].hw_value_short;
 
 	ath9k_hw_set11n_txdesc(ah, ds, skb->len + FCS_LEN,
 			       ATH9K_PKT_TYPE_BEACON,
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 06f1fcfb03e..608fa06e531 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -255,21 +255,11 @@ static const struct file_operations fops_interrupt = {
 	.owner = THIS_MODULE
 };
 
-void ath_debug_stat_rc(struct ath_softc *sc, struct sk_buff *skb)
+void ath_debug_stat_rc(struct ath_softc *sc, int final_rate)
 {
-	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
-	struct ieee80211_tx_rate *rates = tx_info->status.rates;
-	int final_ts_idx = 0, idx, i;
 	struct ath_rc_stats *stats;
 
-	for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
-		if (!rates[i].count)
-			break;
-
-		final_ts_idx = i;
-	}
-	idx = rates[final_ts_idx].idx;
-	stats = &sc->debug.stats.rcstats[idx];
+	stats = &sc->debug.stats.rcstats[final_rate];
 	stats->success++;
 }
 
diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h
index 749e85d5755..f282eeef669 100644
--- a/drivers/net/wireless/ath/ath9k/debug.h
+++ b/drivers/net/wireless/ath/ath9k/debug.h
@@ -18,6 +18,7 @@
 #define DEBUG_H
 
 #include "hw.h"
+#include "rc.h"
 
 struct ath_txq;
 struct ath_buf;
@@ -138,7 +139,7 @@ void ath9k_exit_debug(struct ath_hw *ah);
 int ath9k_debug_create_root(void);
 void ath9k_debug_remove_root(void);
 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status);
-void ath_debug_stat_rc(struct ath_softc *sc, struct sk_buff *skb);
+void ath_debug_stat_rc(struct ath_softc *sc, int final_rate);
 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_txq *txq,
 		       struct ath_buf *bf);
 void ath_debug_stat_retries(struct ath_softc *sc, int rix,
@@ -170,7 +171,7 @@ static inline void ath_debug_stat_interrupt(struct ath_softc *sc,
 }
 
 static inline void ath_debug_stat_rc(struct ath_softc *sc,
-				     struct sk_buff *skb)
+				     int final_rate)
 {
 }
 
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 53a7b980d8f..63d84613dc9 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -148,22 +148,19 @@ bool ath9k_get_channel_edges(struct ath_hw *ah,
 }
 
 u16 ath9k_hw_computetxtime(struct ath_hw *ah,
-			   const struct ath_rate_table *rates,
+			   u8 phy, int kbps,
 			   u32 frameLen, u16 rateix,
 			   bool shortPreamble)
 {
 	u32 bitsPerSymbol, numBits, numSymbols, phyTime, txTime;
-	u32 kbps;
-
-	kbps = rates->info[rateix].ratekbps;
 
 	if (kbps == 0)
 		return 0;
 
-	switch (rates->info[rateix].phy) {
+	switch (phy) {
 	case WLAN_RC_PHY_CCK:
 		phyTime = CCK_PREAMBLE_BITS + CCK_PLCP_BITS;
-		if (shortPreamble && rates->info[rateix].short_preamble)
+		if (shortPreamble)
 			phyTime >>= 1;
 		numBits = frameLen << 3;
 		txTime = CCK_SIFS_TIME + phyTime + ((numBits * 1000) / kbps);
@@ -194,8 +191,7 @@ u16 ath9k_hw_computetxtime(struct ath_hw *ah,
 		break;
 	default:
 		ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
-			  "Unknown phy %u (rate ix %u)\n",
-			  rates->info[rateix].phy, rateix);
+			  "Unknown phy %u (rate ix %u)\n", phy, rateix);
 		txTime = 0;
 		break;
 	}
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index a22ed766b6a..b12634262d9 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -647,7 +647,7 @@ bool ath9k_hw_wait(struct ath_hw *ah, u32 reg, u32 mask, u32 val, u32 timeout);
 u32 ath9k_hw_reverse_bits(u32 val, u32 n);
 bool ath9k_get_channel_edges(struct ath_hw *ah, u16 flags, u16 *low, u16 *high);
 u16 ath9k_hw_computetxtime(struct ath_hw *ah,
-			   const struct ath_rate_table *rates,
+			   u8 phy, int kbps,
 			   u32 frameLen, u16 rateix, bool shortPreamble);
 void ath9k_hw_get_channel_centers(struct ath_hw *ah,
 				  struct ath9k_channel *chan,
diff --git a/drivers/net/wireless/ath/ath9k/mac.h b/drivers/net/wireless/ath/ath9k/mac.h
index fefb65dafb1..29dfe14751a 100644
--- a/drivers/net/wireless/ath/ath9k/mac.h
+++ b/drivers/net/wireless/ath/ath9k/mac.h
@@ -616,7 +616,6 @@ enum ath9k_cipher {
 
 struct ath_hw;
 struct ath9k_channel;
-struct ath_rate_table;
 
 u32 ath9k_hw_gettxbuf(struct ath_hw *ah, u32 q);
 void ath9k_hw_puttxbuf(struct ath_hw *ah, u32 q, u32 txdp);
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index cbf5d2a1bb2..bd1e2de3a1f 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -104,37 +104,55 @@ static struct ieee80211_channel ath9k_5ghz_chantable[] = {
 	CHAN5G(5825, 37), /* Channel 165 */
 };
 
+/* Atheros hardware rate code addition for short premble */
+#define SHPCHECK(__hw_rate, __flags) \
+	((__flags & IEEE80211_RATE_SHORT_PREAMBLE) ? (__hw_rate | 0x04 ) : 0)
+
+#define RATE(_bitrate, _hw_rate, _flags) {              \
+	.bitrate        = (_bitrate),                   \
+	.flags          = (_flags),                     \
+	.hw_value       = (_hw_rate),                   \
+	.hw_value_short = (SHPCHECK(_hw_rate, _flags))  \
+}
+
+static struct ieee80211_rate ath9k_legacy_rates[] = {
+	RATE(10, 0x1b, 0),
+	RATE(20, 0x1a, IEEE80211_RATE_SHORT_PREAMBLE),
+	RATE(55, 0x19, IEEE80211_RATE_SHORT_PREAMBLE),
+	RATE(110, 0x18, IEEE80211_RATE_SHORT_PREAMBLE),
+	RATE(60, 0x0b, 0),
+	RATE(90, 0x0f, 0),
+	RATE(120, 0x0a, 0),
+	RATE(180, 0x0e, 0),
+	RATE(240, 0x09, 0),
+	RATE(360, 0x0d, 0),
+	RATE(480, 0x08, 0),
+	RATE(540, 0x0c, 0),
+};
+
 static void ath_cache_conf_rate(struct ath_softc *sc,
 				struct ieee80211_conf *conf)
 {
 	switch (conf->channel->band) {
 	case IEEE80211_BAND_2GHZ:
 		if (conf_is_ht20(conf))
-			sc->cur_rate_table =
-			  sc->hw_rate_table[ATH9K_MODE_11NG_HT20];
+			sc->cur_rate_mode = ATH9K_MODE_11NG_HT20;
 		else if (conf_is_ht40_minus(conf))
-			sc->cur_rate_table =
-			  sc->hw_rate_table[ATH9K_MODE_11NG_HT40MINUS];
+			sc->cur_rate_mode = ATH9K_MODE_11NG_HT40MINUS;
 		else if (conf_is_ht40_plus(conf))
-			sc->cur_rate_table =
-			  sc->hw_rate_table[ATH9K_MODE_11NG_HT40PLUS];
+			sc->cur_rate_mode = ATH9K_MODE_11NG_HT40PLUS;
 		else
-			sc->cur_rate_table =
-			  sc->hw_rate_table[ATH9K_MODE_11G];
+			sc->cur_rate_mode = ATH9K_MODE_11G;
 		break;
 	case IEEE80211_BAND_5GHZ:
 		if (conf_is_ht20(conf))
-			sc->cur_rate_table =
-			  sc->hw_rate_table[ATH9K_MODE_11NA_HT20];
+			sc->cur_rate_mode = ATH9K_MODE_11NA_HT20;
 		else if (conf_is_ht40_minus(conf))
-			sc->cur_rate_table =
-			  sc->hw_rate_table[ATH9K_MODE_11NA_HT40MINUS];
+			sc->cur_rate_mode = ATH9K_MODE_11NA_HT40MINUS;
 		else if (conf_is_ht40_plus(conf))
-			sc->cur_rate_table =
-			  sc->hw_rate_table[ATH9K_MODE_11NA_HT40PLUS];
+			sc->cur_rate_mode = ATH9K_MODE_11NA_HT40PLUS;
 		else
-			sc->cur_rate_table =
-			  sc->hw_rate_table[ATH9K_MODE_11A];
+			sc->cur_rate_mode = ATH9K_MODE_11A;
 		break;
 	default:
 		BUG_ON(1);
@@ -190,51 +208,6 @@ static u8 parse_mpdudensity(u8 mpdudensity)
 	}
 }
 
-static void ath_setup_rates(struct ath_softc *sc, enum ieee80211_band band)
-{
-	const struct ath_rate_table *rate_table = NULL;
-	struct ieee80211_supported_band *sband;
-	struct ieee80211_rate *rate;
-	int i, maxrates;
-
-	switch (band) {
-	case IEEE80211_BAND_2GHZ:
-		rate_table = sc->hw_rate_table[ATH9K_MODE_11G];
-		break;
-	case IEEE80211_BAND_5GHZ:
-		rate_table = sc->hw_rate_table[ATH9K_MODE_11A];
-		break;
-	default:
-		break;
-	}
-
-	if (rate_table == NULL)
-		return;
-
-	sband = &sc->sbands[band];
-	rate = sc->rates[band];
-
-	if (rate_table->rate_cnt > ATH_RATE_MAX)
-		maxrates = ATH_RATE_MAX;
-	else
-		maxrates = rate_table->rate_cnt;
-
-	for (i = 0; i < maxrates; i++) {
-		rate[i].bitrate = rate_table->info[i].ratekbps / 100;
-		rate[i].hw_value = rate_table->info[i].ratecode;
-		if (rate_table->info[i].short_preamble) {
-			rate[i].hw_value_short = rate_table->info[i].ratecode |
-				rate_table->info[i].short_preamble;
-			rate[i].flags = IEEE80211_RATE_SHORT_PREAMBLE;
-		}
-		sband->n_bitrates++;
-
-		ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_CONFIG,
-			  "Rate: %2dMbps, ratecode: %2d\n",
-			  rate[i].bitrate / 10, rate[i].hw_value);
-	}
-}
-
 static struct ath9k_channel *ath_get_curchannel(struct ath_softc *sc,
 						struct ieee80211_hw *hw)
 {
@@ -1701,12 +1674,6 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
 	/* default to MONITOR mode */
 	sc->sc_ah->opmode = NL80211_IFTYPE_MONITOR;
 
-	/* Setup rate tables */
-
-	ath_rate_attach(sc);
-	ath_setup_rates(sc, IEEE80211_BAND_2GHZ);
-	ath_setup_rates(sc, IEEE80211_BAND_5GHZ);
-
 	/*
 	 * Allocate hardware transmit queues: one queue for
 	 * beacon frames and one data queue for each QoS
@@ -1827,19 +1794,22 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
 	/* setup channels and rates */
 
 	sc->sbands[IEEE80211_BAND_2GHZ].channels = ath9k_2ghz_chantable;
-	sc->sbands[IEEE80211_BAND_2GHZ].bitrates =
-		sc->rates[IEEE80211_BAND_2GHZ];
 	sc->sbands[IEEE80211_BAND_2GHZ].band = IEEE80211_BAND_2GHZ;
 	sc->sbands[IEEE80211_BAND_2GHZ].n_channels =
 		ARRAY_SIZE(ath9k_2ghz_chantable);
+	sc->sbands[IEEE80211_BAND_2GHZ].bitrates = ath9k_legacy_rates;
+	sc->sbands[IEEE80211_BAND_2GHZ].n_bitrates =
+		ARRAY_SIZE(ath9k_legacy_rates);
 
 	if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes)) {
 		sc->sbands[IEEE80211_BAND_5GHZ].channels = ath9k_5ghz_chantable;
-		sc->sbands[IEEE80211_BAND_5GHZ].bitrates =
-			sc->rates[IEEE80211_BAND_5GHZ];
 		sc->sbands[IEEE80211_BAND_5GHZ].band = IEEE80211_BAND_5GHZ;
 		sc->sbands[IEEE80211_BAND_5GHZ].n_channels =
 			ARRAY_SIZE(ath9k_5ghz_chantable);
+		sc->sbands[IEEE80211_BAND_5GHZ].bitrates =
+			ath9k_legacy_rates + 4;
+		sc->sbands[IEEE80211_BAND_5GHZ].n_bitrates =
+			ARRAY_SIZE(ath9k_legacy_rates) - 4;
 	}
 
 	switch (ah->btcoex_hw.scheme) {
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index 1d96777b4cd..66d3004af2b 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -19,132 +19,133 @@
 
 static const struct ath_rate_table ar5416_11na_ratetable = {
 	42,
+	8, /* MCS start */
 	{
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
-			5400, 0x0b, 0x00, 12,
+			5400, 0, 0x00, 12,
 			0, 0, 0, 0, 0, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
-			7800,  0x0f, 0x00, 18,
+			7800,  1, 0x00, 18,
 			0, 1, 1, 1, 1, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
-			10000, 0x0a, 0x00, 24,
+			10000, 2, 0x00, 24,
 			2, 2, 2, 2, 2, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
-			13900, 0x0e, 0x00, 36,
+			13900, 3, 0x00, 36,
 			2,  3, 3, 3, 3, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
-			17300, 0x09, 0x00, 48,
+			17300, 4, 0x00, 48,
 			4,  4, 4, 4, 4, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
-			23000, 0x0d, 0x00, 72,
+			23000, 5, 0x00, 72,
 			4,  5, 5, 5, 5, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
-			27400, 0x08, 0x00, 96,
+			27400, 6, 0x00, 96,
 			4,  6, 6, 6, 6, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
-			29300, 0x0c, 0x00, 108,
+			29300, 7, 0x00, 108,
 			4,  7, 7, 7, 7, 0 },
 		{ VALID_2040, VALID_2040, WLAN_RC_PHY_HT_20_SS, 6500, /* 6.5 Mb */
-			6400, 0x80, 0x00, 0,
+			6400, 0, 0x00, 0,
 			0, 8, 24, 8, 24, 3216 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 13000, /* 13 Mb */
-			12700, 0x81, 0x00, 1,
+			12700, 1, 0x00, 1,
 			2, 9, 25, 9, 25, 6434 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 19500, /* 19.5 Mb */
-			18800, 0x82, 0x00, 2,
+			18800, 2, 0x00, 2,
 			2, 10, 26, 10, 26, 9650 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 26000, /* 26 Mb */
-			25000, 0x83, 0x00, 3,
+			25000, 3, 0x00, 3,
 			4,  11, 27, 11, 27, 12868 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 39000, /* 39 Mb */
-			36700, 0x84, 0x00, 4,
+			36700, 4, 0x00, 4,
 			4,  12, 28, 12, 28, 19304 },
 		{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 52000, /* 52 Mb */
-			48100, 0x85, 0x00, 5,
+			48100, 5, 0x00, 5,
 			4,  13, 29, 13, 29, 25740 },
 		{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 58500, /* 58.5 Mb */
-			53500, 0x86, 0x00, 6,
+			53500, 6, 0x00, 6,
 			4,  14, 30, 14, 30,  28956 },
 		{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 65000, /* 65 Mb */
-			59000, 0x87, 0x00, 7,
+			59000, 7, 0x00, 7,
 			4,  15, 31, 15, 32, 32180 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 13000, /* 13 Mb */
-			12700, 0x88, 0x00,
+			12700, 8, 0x00,
 			8, 3, 16, 33, 16, 33, 6430 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 26000, /* 26 Mb */
-			24800, 0x89, 0x00, 9,
+			24800, 9, 0x00, 9,
 			2, 17, 34, 17, 34, 12860 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 39000, /* 39 Mb */
-			36600, 0x8a, 0x00, 10,
+			36600, 10, 0x00, 10,
 			2, 18, 35, 18, 35, 19300 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 52000, /* 52 Mb */
-			48100, 0x8b, 0x00, 11,
+			48100, 11, 0x00, 11,
 			4,  19, 36, 19, 36, 25736 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 78000, /* 78 Mb */
-			69500, 0x8c, 0x00, 12,
+			69500, 12, 0x00, 12,
 			4,  20, 37, 20, 37, 38600 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 104000, /* 104 Mb */
-			89500, 0x8d, 0x00, 13,
+			89500, 13, 0x00, 13,
 			4,  21, 38, 21, 38, 51472 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 117000, /* 117 Mb */
-			98900, 0x8e, 0x00, 14,
+			98900, 14, 0x00, 14,
 			4,  22, 39, 22, 39, 57890 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 130000, /* 130 Mb */
-			108300, 0x8f, 0x00, 15,
+			108300, 15, 0x00, 15,
 			4,  23, 40, 23, 41, 64320 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 13500, /* 13.5 Mb */
-			13200, 0x80, 0x00, 0,
+			13200, 0, 0x00, 0,
 			0, 8, 24, 24, 24, 6684 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 27500, /* 27.0 Mb */
-			25900, 0x81, 0x00, 1,
+			25900, 1, 0x00, 1,
 			2, 9, 25, 25, 25, 13368 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 40500, /* 40.5 Mb */
-			38600, 0x82, 0x00, 2,
+			38600, 2, 0x00, 2,
 			2, 10, 26, 26, 26, 20052 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 54000, /* 54 Mb */
-			49800, 0x83, 0x00, 3,
+			49800, 3, 0x00, 3,
 			4,  11, 27, 27, 27, 26738 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 81500, /* 81 Mb */
-			72200, 0x84, 0x00, 4,
+			72200, 4, 0x00, 4,
 			4,  12, 28, 28, 28, 40104 },
 		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 108000, /* 108 Mb */
-			92900, 0x85, 0x00, 5,
+			92900, 5, 0x00, 5,
 			4,  13, 29, 29, 29, 53476 },
 		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 121500, /* 121.5 Mb */
-			102700, 0x86, 0x00, 6,
+			102700, 6, 0x00, 6,
 			4,  14, 30, 30, 30, 60156 },
 		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 135000, /* 135 Mb */
-			112000, 0x87, 0x00, 7,
+			112000, 7, 0x00, 7,
 			4,  15, 31, 32, 32, 66840 },
 		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS_HGI, 150000, /* 150 Mb */
-			122000, 0x87, 0x00, 7,
+			122000, 7, 0x00, 7,
 			4,  15, 31, 32, 32, 74200 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 27000, /* 27 Mb */
-			25800, 0x88, 0x00, 8,
+			25800, 8, 0x00, 8,
 			0, 16, 33, 33, 33, 13360 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 54000, /* 54 Mb */
-			49800, 0x89, 0x00, 9,
+			49800, 9, 0x00, 9,
 			2, 17, 34, 34, 34, 26720 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 81000, /* 81 Mb */
-			71900, 0x8a, 0x00, 10,
+			71900, 10, 0x00, 10,
 			2, 18, 35, 35, 35, 40080 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 108000, /* 108 Mb */
-			92500, 0x8b, 0x00, 11,
+			92500, 11, 0x00, 11,
 			4,  19, 36, 36, 36, 53440 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 162000, /* 162 Mb */
-			130300, 0x8c, 0x00, 12,
+			130300, 12, 0x00, 12,
 			4,  20, 37, 37, 37, 80160 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 216000, /* 216 Mb */
-			162800, 0x8d, 0x00, 13,
+			162800, 13, 0x00, 13,
 			4,  21, 38, 38, 38, 106880 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 243000, /* 243 Mb */
-			178200, 0x8e, 0x00, 14,
+			178200, 14, 0x00, 14,
 			4,  22, 39, 39, 39, 120240 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 270000, /* 270 Mb */
-			192100, 0x8f, 0x00, 15,
+			192100, 15, 0x00, 15,
 			4,  23, 40, 41, 41, 133600 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS_HGI, 300000, /* 300 Mb */
-			207000, 0x8f, 0x00, 15,
+			207000, 15, 0x00, 15,
 			4,  23, 40, 41, 41, 148400 },
 	},
 	50,  /* probe interval */
@@ -156,144 +157,145 @@ static const struct ath_rate_table ar5416_11na_ratetable = {
 
 static const struct ath_rate_table ar5416_11ng_ratetable = {
 	46,
+	12, /* MCS start */
 	{
 		{ VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */
-			900, 0x1b, 0x00, 2,
+			900, 0, 0x00, 2,
 			0, 0, 0, 0, 0, 0 },
 		{ VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 2000, /* 2 Mb */
-			1900, 0x1a, 0x04, 4,
+			1900, 1, 0x04, 4,
 			1, 1, 1, 1, 1, 0 },
 		{ VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 5500, /* 5.5 Mb */
-			4900, 0x19, 0x04, 11,
+			4900, 2, 0x04, 11,
 			2, 2, 2, 2, 2, 0 },
 		{ VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 11000, /* 11 Mb */
-			8100, 0x18, 0x04, 22,
+			8100, 3, 0x04, 22,
 			3, 3, 3, 3, 3, 0 },
 		{ INVALID, INVALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
-			5400, 0x0b, 0x00, 12,
+			5400, 4, 0x00, 12,
 			4, 4, 4, 4, 4, 0 },
 		{ INVALID, INVALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
-			7800, 0x0f, 0x00, 18,
+			7800, 5, 0x00, 18,
 			4, 5, 5, 5, 5, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
-			10100, 0x0a, 0x00, 24,
+			10100, 6, 0x00, 24,
 			6, 6, 6, 6, 6, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
-			14100,  0x0e, 0x00, 36,
+			14100, 7, 0x00, 36,
 			6, 7, 7, 7, 7, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
-			17700, 0x09, 0x00, 48,
+			17700, 8, 0x00, 48,
 			8,  8, 8, 8, 8, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
-			23700, 0x0d, 0x00, 72,
+			23700, 9, 0x00, 72,
 			8,  9, 9, 9, 9, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
-			27400, 0x08, 0x00, 96,
+			27400, 10, 0x00, 96,
 			8,  10, 10, 10, 10, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
-			30900, 0x0c, 0x00, 108,
+			30900, 11, 0x00, 108,
 			8,  11, 11, 11, 11, 0 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_SS, 6500, /* 6.5 Mb */
-			6400, 0x80, 0x00, 0,
+			6400, 0, 0x00, 0,
 			4, 12, 28, 12, 28, 3216 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 13000, /* 13 Mb */
-			12700, 0x81, 0x00, 1,
+			12700, 1, 0x00, 1,
 			6, 13, 29, 13, 29, 6434 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 19500, /* 19.5 Mb */
-			18800, 0x82, 0x00, 2,
+			18800, 2, 0x00, 2,
 			6, 14, 30, 14, 30, 9650 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 26000, /* 26 Mb */
-			25000, 0x83, 0x00, 3,
+			25000, 3, 0x00, 3,
 			8,  15, 31, 15, 31, 12868 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 39000, /* 39 Mb */
-			36700, 0x84, 0x00, 4,
+			36700, 4, 0x00, 4,
 			8,  16, 32, 16, 32, 19304 },
 		{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 52000, /* 52 Mb */
-			48100, 0x85, 0x00, 5,
+			48100, 5, 0x00, 5,
 			8,  17, 33, 17, 33, 25740 },
 		{ INVALID,  VALID_20, WLAN_RC_PHY_HT_20_SS, 58500, /* 58.5 Mb */
-			53500, 0x86, 0x00, 6,
+			53500, 6, 0x00, 6,
 			8,  18, 34, 18, 34, 28956 },
 		{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 65000, /* 65 Mb */
-			59000, 0x87, 0x00, 7,
+			59000, 7, 0x00, 7,
 			8,  19, 35, 19, 36, 32180 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 13000, /* 13 Mb */
-			12700, 0x88, 0x00, 8,
+			12700, 8, 0x00, 8,
 			4, 20, 37, 20, 37, 6430 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 26000, /* 26 Mb */
-			24800, 0x89, 0x00, 9,
+			24800, 9, 0x00, 9,
 			6, 21, 38, 21, 38, 12860 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 39000, /* 39 Mb */
-			36600, 0x8a, 0x00, 10,
+			36600, 10, 0x00, 10,
 			6, 22, 39, 22, 39, 19300 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 52000, /* 52 Mb */
-			48100, 0x8b, 0x00, 11,
+			48100, 11, 0x00, 11,
 			8,  23, 40, 23, 40, 25736 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 78000, /* 78 Mb */
-			69500, 0x8c, 0x00, 12,
+			69500, 12, 0x00, 12,
 			8,  24, 41, 24, 41, 38600 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 104000, /* 104 Mb */
-			89500, 0x8d, 0x00, 13,
+			89500, 13, 0x00, 13,
 			8,  25, 42, 25, 42, 51472 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 117000, /* 117 Mb */
-			98900, 0x8e, 0x00, 14,
+			98900, 14, 0x00, 14,
 			8,  26, 43, 26, 44, 57890 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 130000, /* 130 Mb */
-			108300, 0x8f, 0x00, 15,
+			108300, 15, 0x00, 15,
 			8,  27, 44, 27, 45, 64320 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 13500, /* 13.5 Mb */
-			13200, 0x80, 0x00, 0,
+			13200, 0, 0x00, 0,
 			8, 12, 28, 28, 28, 6684 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 27500, /* 27.0 Mb */
-			25900, 0x81, 0x00, 1,
+			25900, 1, 0x00, 1,
 			8, 13, 29, 29, 29, 13368 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 40500, /* 40.5 Mb */
-			38600, 0x82, 0x00, 2,
+			38600, 2, 0x00, 2,
 			8, 14, 30, 30, 30, 20052 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 54000, /* 54 Mb */
-			49800, 0x83, 0x00, 3,
+			49800, 3, 0x00, 3,
 			8,  15, 31, 31, 31, 26738 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 81500, /* 81 Mb */
-			72200, 0x84, 0x00, 4,
+			72200, 4, 0x00, 4,
 			8,  16, 32, 32, 32, 40104 },
 		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 108000, /* 108 Mb */
-			92900, 0x85, 0x00, 5,
+			92900, 5, 0x00, 5,
 			8,  17, 33, 33, 33, 53476 },
 		{ INVALID,  VALID_40, WLAN_RC_PHY_HT_40_SS, 121500, /* 121.5 Mb */
-			102700, 0x86, 0x00, 6,
+			102700, 6, 0x00, 6,
 			8,  18, 34, 34, 34, 60156 },
 		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 135000, /* 135 Mb */
-			112000, 0x87, 0x00, 7,
+			112000, 7, 0x00, 7,
 			8,  19, 35, 36, 36, 66840 },
 		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS_HGI, 150000, /* 150 Mb */
-			122000, 0x87, 0x00, 7,
+			122000, 7, 0x00, 7,
 			8,  19, 35, 36, 36, 74200 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 27000, /* 27 Mb */
-			25800, 0x88, 0x00, 8,
+			25800, 8, 0x00, 8,
 			8, 20, 37, 37, 37, 13360 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 54000, /* 54 Mb */
-			49800, 0x89, 0x00, 9,
+			49800, 9, 0x00, 9,
 			8, 21, 38, 38, 38, 26720 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 81000, /* 81 Mb */
-			71900, 0x8a, 0x00, 10,
+			71900, 10, 0x00, 10,
 			8, 22, 39, 39, 39, 40080 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 108000, /* 108 Mb */
-			92500, 0x8b, 0x00, 11,
+			92500, 11, 0x00, 11,
 			8,  23, 40, 40, 40, 53440 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 162000, /* 162 Mb */
-			130300, 0x8c, 0x00, 12,
+			130300, 12, 0x00, 12,
 			8,  24, 41, 41, 41, 80160 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 216000, /* 216 Mb */
-			162800, 0x8d, 0x00, 13,
+			162800, 13, 0x00, 13,
 			8,  25, 42, 42, 42, 106880 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 243000, /* 243 Mb */
-			178200, 0x8e, 0x00, 14,
+			178200, 14, 0x00, 14,
 			8,  26, 43, 43, 43, 120240 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 270000, /* 270 Mb */
-			192100, 0x8f, 0x00, 15,
+			192100, 15, 0x00, 15,
 			8,  27, 44, 45, 45, 133600 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS_HGI, 300000, /* 300 Mb */
-			207000, 0x8f, 0x00, 15,
+			207000, 15, 0x00, 15,
 			8,  27, 44, 45, 45, 148400 },
 		},
 	50,  /* probe interval */
@@ -302,30 +304,31 @@ static const struct ath_rate_table ar5416_11ng_ratetable = {
 
 static const struct ath_rate_table ar5416_11a_ratetable = {
 	8,
+	0,
 	{
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
-			5400, 0x0b, 0x00, (0x80|12),
+			5400, 0, 0x00, 12,
 			0, 0, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
-			7800, 0x0f, 0x00, 18,
+			7800, 1, 0x00, 18,
 			0, 1, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
-			10000, 0x0a, 0x00, (0x80|24),
+			10000, 2, 0x00, 24,
 			2, 2, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
-			13900, 0x0e, 0x00, 36,
+			13900, 3, 0x00, 36,
 			2, 3, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
-			17300, 0x09, 0x00, (0x80|48),
+			17300, 4, 0x00, 48,
 			4,  4, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
-			23000, 0x0d, 0x00, 72,
+			23000, 5, 0x00, 72,
 			4,  5, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
-			27400, 0x08, 0x00, 96,
+			27400, 6, 0x00, 96,
 			4,  6, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
-			29300, 0x0c, 0x00, 108,
+			29300, 7, 0x00, 108,
 			4,  7, 0 },
 	},
 	50,  /* probe interval */
@@ -334,48 +337,63 @@ static const struct ath_rate_table ar5416_11a_ratetable = {
 
 static const struct ath_rate_table ar5416_11g_ratetable = {
 	12,
+	0,
 	{
 		{ VALID, VALID, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */
-			900, 0x1b, 0x00, 2,
+			900, 0, 0x00, 2,
 			0, 0, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_CCK, 2000, /* 2 Mb */
-			1900, 0x1a, 0x04, 4,
+			1900, 1, 0x04, 4,
 			1, 1, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_CCK, 5500, /* 5.5 Mb */
-			4900, 0x19, 0x04, 11,
+			4900, 2, 0x04, 11,
 			2, 2, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_CCK, 11000, /* 11 Mb */
-			8100, 0x18, 0x04, 22,
+			8100, 3, 0x04, 22,
 			3, 3, 0 },
 		{ INVALID, INVALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
-			5400, 0x0b, 0x00, 12,
+			5400, 4, 0x00, 12,
 			4, 4, 0 },
 		{ INVALID, INVALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
-			7800, 0x0f, 0x00, 18,
+			7800, 5, 0x00, 18,
 			4, 5, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
-			10000, 0x0a, 0x00, 24,
+			10000, 6, 0x00, 24,
 			6, 6, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
-			13900, 0x0e, 0x00, 36,
+			13900, 7, 0x00, 36,
 			6, 7, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
-			17300, 0x09, 0x00, 48,
+			17300, 8, 0x00, 48,
 			8,  8, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
-			23000, 0x0d, 0x00, 72,
+			23000, 9, 0x00, 72,
 			8,  9, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
-			27400, 0x08, 0x00, 96,
+			27400, 10, 0x00, 96,
 			8,  10, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
-			29300, 0x0c, 0x00, 108,
+			29300, 11, 0x00, 108,
 			8,  11, 0 },
 	},
 	50,  /* probe interval */
 	0,   /* Phy rates allowed initially */
 };
 
+static const struct ath_rate_table *hw_rate_table[ATH9K_MODE_MAX] = {
+	[ATH9K_MODE_11A] = &ar5416_11a_ratetable,
+	[ATH9K_MODE_11G] = &ar5416_11g_ratetable,
+	[ATH9K_MODE_11NA_HT20] = &ar5416_11na_ratetable,
+	[ATH9K_MODE_11NG_HT20] = &ar5416_11ng_ratetable,
+	[ATH9K_MODE_11NA_HT40PLUS] = &ar5416_11na_ratetable,
+	[ATH9K_MODE_11NA_HT40MINUS] = &ar5416_11na_ratetable,
+	[ATH9K_MODE_11NG_HT40PLUS] = &ar5416_11ng_ratetable,
+	[ATH9K_MODE_11NG_HT40MINUS] = &ar5416_11ng_ratetable,
+};
+
+static int ath_rc_get_rateindex(const struct ath_rate_table *rate_table,
+				struct ieee80211_tx_rate *rate);
+
 static inline int8_t median(int8_t a, int8_t b, int8_t c)
 {
 	if (a >= b) {
@@ -534,7 +552,7 @@ static u8 ath_rc_setvalid_rates(struct ath_rate_priv *ath_rc_priv,
 			 * capflag matches one of the validity
 			 * (VALID/VALID_20/VALID_40) flags */
 
-			if (((rate & 0x7F) == (dot11rate & 0x7F)) &&
+			if ((rate == dot11rate) &&
 			    ((valid & WLAN_RC_CAP_MODE(capflag)) ==
 			     WLAN_RC_CAP_MODE(capflag)) &&
 			    !WLAN_RC_PHY_HT(phy)) {
@@ -576,8 +594,7 @@ static u8 ath_rc_setvalid_htrates(struct ath_rate_priv *ath_rc_priv,
 			u8 rate = rateset->rs_rates[i];
 			u8 dot11rate = rate_table->info[j].dot11rate;
 
-			if (((rate & 0x7F) != (dot11rate & 0x7F)) ||
-			    !WLAN_RC_PHY_HT(phy) ||
+			if ((rate != dot11rate) || !WLAN_RC_PHY_HT(phy) ||
 			    !WLAN_RC_PHY_HT_VALID(valid, capflag))
 				continue;
 
@@ -696,18 +713,20 @@ static void ath_rc_rate_set_series(const struct ath_rate_table *rate_table,
 				   u8 tries, u8 rix, int rtsctsenable)
 {
 	rate->count = tries;
-	rate->idx = rix;
+	rate->idx = rate_table->info[rix].ratecode;
 
 	if (txrc->short_preamble)
 		rate->flags |= IEEE80211_TX_RC_USE_SHORT_PREAMBLE;
 	if (txrc->rts || rtsctsenable)
 		rate->flags |= IEEE80211_TX_RC_USE_RTS_CTS;
-	if (WLAN_RC_PHY_40(rate_table->info[rix].phy))
-		rate->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH;
-	if (WLAN_RC_PHY_SGI(rate_table->info[rix].phy))
-		rate->flags |= IEEE80211_TX_RC_SHORT_GI;
-	if (WLAN_RC_PHY_HT(rate_table->info[rix].phy))
+
+	if (WLAN_RC_PHY_HT(rate_table->info[rix].phy)) {
 		rate->flags |= IEEE80211_TX_RC_MCS;
+		if (WLAN_RC_PHY_40(rate_table->info[rix].phy))
+			rate->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH;
+		if (WLAN_RC_PHY_SGI(rate_table->info[rix].phy))
+			rate->flags |= IEEE80211_TX_RC_SHORT_GI;
+	}
 }
 
 static void ath_rc_rate_set_rtscts(struct ath_softc *sc,
@@ -720,7 +739,7 @@ static void ath_rc_rate_set_rtscts(struct ath_softc *sc,
 	/* get the cix for the lowest valid rix */
 	for (i = 3; i >= 0; i--) {
 		if (rates[i].count && (rates[i].idx >= 0)) {
-			rix = rates[i].idx;
+			rix = ath_rc_get_rateindex(rate_table, &rates[i]);
 			break;
 		}
 	}
@@ -1080,15 +1099,19 @@ static int ath_rc_get_rateindex(const struct ath_rate_table *rate_table,
 {
 	int rix;
 
+	if (!(rate->flags & IEEE80211_TX_RC_MCS))
+		return rate->idx;
+
+	rix = rate->idx + rate_table->mcs_start;
 	if ((rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) &&
 	    (rate->flags & IEEE80211_TX_RC_SHORT_GI))
-		rix = rate_table->info[rate->idx].ht_index;
+		rix = rate_table->info[rix].ht_index;
 	else if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
-		rix = rate_table->info[rate->idx].sgi_index;
+		rix = rate_table->info[rix].sgi_index;
 	else if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
-		rix = rate_table->info[rate->idx].cw40index;
+		rix = rate_table->info[rix].cw40index;
 	else
-		rix = rate_table->info[rate->idx].base_index;
+		rix = rate_table->info[rix].base_index;
 
 	return rix;
 }
@@ -1183,7 +1206,9 @@ struct ath_rate_table *ath_choose_rate_table(struct ath_softc *sc,
 
 	ath_print(common, ATH_DBG_CONFIG,
 		  "Choosing rate table for mode: %d\n", mode);
-	return sc->hw_rate_table[mode];
+
+	sc->cur_rate_mode = mode;
+	return hw_rate_table[mode];
 }
 
 static void ath_rc_init(struct ath_softc *sc,
@@ -1197,12 +1222,6 @@ static void ath_rc_init(struct ath_softc *sc,
 	u8 *ht_mcs = (u8 *)&ath_rc_priv->neg_ht_rates;
 	u8 i, j, k, hi = 0, hthi = 0;
 
-	if (!rate_table) {
-		ath_print(common, ATH_DBG_FATAL,
-			  "Rate table not initialized\n");
-		return;
-	}
-
 	/* Initial rate table size. Will change depending
 	 * on the working rate set */
 	ath_rc_priv->rate_table_size = RATE_TABLE_SIZE;
@@ -1357,7 +1376,8 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband,
 		}
 	}
 
-	ath_debug_stat_rc(sc, skb);
+	ath_debug_stat_rc(sc, ath_rc_get_rateindex(sc->cur_rate_table,
+		&tx_info->status.rates[final_ts_idx]));
 }
 
 static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband,
@@ -1365,7 +1385,7 @@ static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband,
 {
 	struct ath_softc *sc = priv;
 	struct ath_rate_priv *ath_rc_priv = priv_sta;
-	const struct ath_rate_table *rate_table = NULL;
+	const struct ath_rate_table *rate_table;
 	bool is_cw40, is_sgi40;
 	int i, j = 0;
 
@@ -1397,11 +1417,9 @@ static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband,
 	    (sc->sc_ah->opmode == NL80211_IFTYPE_MESH_POINT) ||
 	    (sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC)) {
 		rate_table = ath_choose_rate_table(sc, sband->band,
-						   sta->ht_cap.ht_supported,
-						   is_cw40);
-	} else if (sc->sc_ah->opmode == NL80211_IFTYPE_AP) {
-		/* cur_rate_table would be set on init through config() */
-		rate_table = sc->cur_rate_table;
+		                      sta->ht_cap.ht_supported, is_cw40);
+	} else {
+		rate_table = hw_rate_table[sc->cur_rate_mode];
 	}
 
 	ath_rc_priv->ht_cap = ath_rc_build_ht_caps(sc, sta, is_cw40, is_sgi40);
@@ -1445,6 +1463,7 @@ static void ath_rate_update(void *priv, struct ieee80211_supported_band *sband,
 			ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_CONFIG,
 				  "Operating HT Bandwidth changed to: %d\n",
 				  sc->hw->conf.channel_type);
+			sc->cur_rate_table = hw_rate_table[sc->cur_rate_mode];
 		}
 	}
 }
@@ -1497,26 +1516,6 @@ static struct rate_control_ops ath_rate_ops = {
 	.free_sta = ath_rate_free_sta,
 };
 
-void ath_rate_attach(struct ath_softc *sc)
-{
-	sc->hw_rate_table[ATH9K_MODE_11A] =
-		&ar5416_11a_ratetable;
-	sc->hw_rate_table[ATH9K_MODE_11G] =
-		&ar5416_11g_ratetable;
-	sc->hw_rate_table[ATH9K_MODE_11NA_HT20] =
-		&ar5416_11na_ratetable;
-	sc->hw_rate_table[ATH9K_MODE_11NG_HT20] =
-		&ar5416_11ng_ratetable;
-	sc->hw_rate_table[ATH9K_MODE_11NA_HT40PLUS] =
-		&ar5416_11na_ratetable;
-	sc->hw_rate_table[ATH9K_MODE_11NA_HT40MINUS] =
-		&ar5416_11na_ratetable;
-	sc->hw_rate_table[ATH9K_MODE_11NG_HT40PLUS] =
-		&ar5416_11ng_ratetable;
-	sc->hw_rate_table[ATH9K_MODE_11NG_HT40MINUS] =
-		&ar5416_11ng_ratetable;
-}
-
 int ath_rate_control_register(void)
 {
 	return ieee80211_rate_control_register(&ath_rate_ops);
diff --git a/drivers/net/wireless/ath/ath9k/rc.h b/drivers/net/wireless/ath/ath9k/rc.h
index 51f85ecbe88..d68bc946bb3 100644
--- a/drivers/net/wireless/ath/ath9k/rc.h
+++ b/drivers/net/wireless/ath/ath9k/rc.h
@@ -104,6 +104,7 @@ enum {
  */
 struct ath_rate_table {
 	int rate_cnt;
+	int mcs_start;
 	struct {
 		int valid;
 		int valid_single_stream;
@@ -179,8 +180,6 @@ enum ath9k_internal_frame_type {
 	ATH9K_INT_UNPAUSE
 };
 
-void ath_rate_attach(struct ath_softc *sc);
-u8 ath_rate_findrateix(struct ath_softc *sc, u8 dot11_rate);
 int ath_rate_control_register(void);
 void ath_rate_control_unregister(void);
 
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 745d91995d7..2bb8c91bf4f 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -70,6 +70,29 @@ static int ath_tx_num_badfrms(struct ath_softc *sc, struct ath_buf *bf,
 static void ath_tx_rc_status(struct ath_buf *bf, struct ath_desc *ds,
 			     int nbad, int txok, bool update_rc);
 
+enum {
+	MCS_DEFAULT,
+	MCS_HT40,
+	MCS_HT40_SGI,
+};
+
+static int ath_max_4ms_framelen[3][16] = {
+	[MCS_DEFAULT] = {
+		3216,  6434,  9650,  12868, 19304, 25740,  28956,  32180,
+		6430,  12860, 19300, 25736, 38600, 51472,  57890,  64320,
+	},
+	[MCS_HT40] = {
+		6684,  13368, 20052, 26738, 40104, 53476,  60156,  66840,
+		13360, 26720, 40080, 53440, 80160, 106880, 120240, 133600,
+	},
+	[MCS_HT40_SGI] = {
+		/* TODO: Only MCS 7 and 15 updated, recalculate the rest */
+		6684,  13368, 20052, 26738, 40104, 53476,  60156,  74200,
+		13360, 26720, 40080, 53440, 80160, 106880, 120240, 148400,
+	}
+};
+
+
 /*********************/
 /* Aggregation logic */
 /*********************/
@@ -459,7 +482,6 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
 static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf,
 			   struct ath_atx_tid *tid)
 {
-	const struct ath_rate_table *rate_table = sc->cur_rate_table;
 	struct sk_buff *skb;
 	struct ieee80211_tx_info *tx_info;
 	struct ieee80211_tx_rate *rates;
@@ -480,12 +502,20 @@ static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf,
 
 	for (i = 0; i < 4; i++) {
 		if (rates[i].count) {
-			if (!WLAN_RC_PHY_HT(rate_table->info[rates[i].idx].phy)) {
+			int modeidx;
+			if (!(rates[i].flags & IEEE80211_TX_RC_MCS)) {
 				legacy = 1;
 				break;
 			}
 
-			frmlen = rate_table->info[rates[i].idx].max_4ms_framelen;
+			if (rates[i].flags & IEEE80211_TX_RC_SHORT_GI)
+				modeidx = MCS_HT40_SGI;
+			else if (rates[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
+				modeidx = MCS_HT40;
+			else
+				modeidx = MCS_DEFAULT;
+
+			frmlen = ath_max_4ms_framelen[modeidx][rates[i].idx];
 			max_4ms_framelen = min(max_4ms_framelen, frmlen);
 		}
 	}
@@ -523,12 +553,11 @@ static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf,
 static int ath_compute_num_delims(struct ath_softc *sc, struct ath_atx_tid *tid,
 				  struct ath_buf *bf, u16 frmlen)
 {
-	const struct ath_rate_table *rt = sc->cur_rate_table;
 	struct sk_buff *skb = bf->bf_mpdu;
 	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
 	u32 nsymbits, nsymbols;
 	u16 minlen;
-	u8 rc, flags, rix;
+	u8 flags, rix;
 	int width, half_gi, ndelim, mindelim;
 
 	/* Select standard number of delimiters based on frame length alone */
@@ -558,7 +587,6 @@ static int ath_compute_num_delims(struct ath_softc *sc, struct ath_atx_tid *tid,
 
 	rix = tx_info->control.rates[0].idx;
 	flags = tx_info->control.rates[0].flags;
-	rc = rt->info[rix].ratecode;
 	width = (flags & IEEE80211_TX_RC_40_MHZ_WIDTH) ? 1 : 0;
 	half_gi = (flags & IEEE80211_TX_RC_SHORT_GI) ? 1 : 0;
 
@@ -570,7 +598,7 @@ static int ath_compute_num_delims(struct ath_softc *sc, struct ath_atx_tid *tid,
 	if (nsymbols == 0)
 		nsymbols = 1;
 
-	nsymbits = bits_per_symbol[HT_RC_2_MCS(rc)][width];
+	nsymbits = bits_per_symbol[rix][width];
 	minlen = (nsymbols * nsymbits) / BITS_PER_BYTE;
 
 	if (frmlen < minlen) {
@@ -1425,22 +1453,14 @@ static int setup_tx_flags(struct ath_softc *sc, struct sk_buff *skb,
 static u32 ath_pkt_duration(struct ath_softc *sc, u8 rix, struct ath_buf *bf,
 			    int width, int half_gi, bool shortPreamble)
 {
-	const struct ath_rate_table *rate_table = sc->cur_rate_table;
 	u32 nbits, nsymbits, duration, nsymbols;
-	u8 rc;
 	int streams, pktlen;
 
 	pktlen = bf_isaggr(bf) ? bf->bf_al : bf->bf_frmlen;
-	rc = rate_table->info[rix].ratecode;
-
-	/* for legacy rates, use old function to compute packet duration */
-	if (!IS_HT_RATE(rc))
-		return ath9k_hw_computetxtime(sc->sc_ah, rate_table, pktlen,
-					      rix, shortPreamble);
 
 	/* find number of symbols: PLCP + data */
 	nbits = (pktlen << 3) + OFDM_PLCP_BITS;
-	nsymbits = bits_per_symbol[HT_RC_2_MCS(rc)][width];
+	nsymbits = bits_per_symbol[rix][width];
 	nsymbols = (nbits + nsymbits - 1) / nsymbits;
 
 	if (!half_gi)
@@ -1449,7 +1469,7 @@ static u32 ath_pkt_duration(struct ath_softc *sc, u8 rix, struct ath_buf *bf,
 		duration = SYMBOL_TIME_HALFGI(nsymbols);
 
 	/* addup duration for legacy/ht training and signal fields */
-	streams = HT_RC_2_STREAMS(rc);
+	streams = HT_RC_2_STREAMS(rix);
 	duration += L_STF + L_LTF + L_SIG + HT_SIG + HT_STF + HT_LTF(streams);
 
 	return duration;
@@ -1458,11 +1478,11 @@ static u32 ath_pkt_duration(struct ath_softc *sc, u8 rix, struct ath_buf *bf,
 static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf)
 {
 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
-	const struct ath_rate_table *rt = sc->cur_rate_table;
 	struct ath9k_11n_rate_series series[4];
 	struct sk_buff *skb;
 	struct ieee80211_tx_info *tx_info;
 	struct ieee80211_tx_rate *rates;
+	const struct ieee80211_rate *rate;
 	struct ieee80211_hdr *hdr;
 	int i, flags = 0;
 	u8 rix = 0, ctsrate = 0;
@@ -1481,11 +1501,10 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf)
 	 * checking the BSS's global flag.
 	 * But for the rate series, IEEE80211_TX_RC_USE_SHORT_PREAMBLE is used.
 	 */
+	rate = ieee80211_get_rts_cts_rate(sc->hw, tx_info);
+	ctsrate = rate->hw_value;
 	if (sc->sc_flags & SC_OP_PREAMBLE_SHORT)
-		ctsrate = rt->info[tx_info->control.rts_cts_rate_idx].ratecode |
-			rt->info[tx_info->control.rts_cts_rate_idx].short_preamble;
-	else
-		ctsrate = rt->info[tx_info->control.rts_cts_rate_idx].ratecode;
+		ctsrate |= rate->hw_value_short;
 
 	/*
 	 * ATH9K_TXDESC_RTSENA and ATH9K_TXDESC_CTSENA are mutually exclusive.
@@ -1508,6 +1527,9 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf)
 		flags &= ~(ATH9K_TXDESC_RTSENA);
 
 	for (i = 0; i < 4; i++) {
+		bool is_40, is_sgi, is_sp;
+		int phy;
+
 		if (!rates[i].count || (rates[i].idx < 0))
 			continue;
 
@@ -1515,12 +1537,6 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf)
 		series[i].Tries = rates[i].count;
 		series[i].ChSel = common->tx_chainmask;
 
-		if (rates[i].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
-			series[i].Rate = rt->info[rix].ratecode |
-				rt->info[rix].short_preamble;
-		else
-			series[i].Rate = rt->info[rix].ratecode;
-
 		if (rates[i].flags & IEEE80211_TX_RC_USE_RTS_CTS)
 			series[i].RateFlags |= ATH9K_RATESERIES_RTS_CTS;
 		if (rates[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
@@ -1528,10 +1544,36 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf)
 		if (rates[i].flags & IEEE80211_TX_RC_SHORT_GI)
 			series[i].RateFlags |= ATH9K_RATESERIES_HALFGI;
 
-		series[i].PktDuration = ath_pkt_duration(sc, rix, bf,
-			 (rates[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH) != 0,
-			 (rates[i].flags & IEEE80211_TX_RC_SHORT_GI),
-			 (rates[i].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE));
+		is_sgi = !!(rates[i].flags & IEEE80211_TX_RC_SHORT_GI);
+		is_40 = !!(rates[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH);
+		is_sp = !!(rates[i].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE);
+
+		if (rates[i].flags & IEEE80211_TX_RC_MCS) {
+			/* MCS rates */
+			series[i].Rate = rix | 0x80;
+			series[i].PktDuration = ath_pkt_duration(sc, rix, bf,
+				 is_40, is_sgi, is_sp);
+			continue;
+		}
+
+		/* legcay rates */
+		if ((tx_info->band == IEEE80211_BAND_2GHZ) &&
+		    !(rate->flags & IEEE80211_RATE_ERP_G))
+			phy = WLAN_RC_PHY_CCK;
+		else
+			phy = WLAN_RC_PHY_OFDM;
+
+		rate = &sc->sbands[tx_info->band].bitrates[rates[i].idx];
+		series[i].Rate = rate->hw_value;
+		if (rate->hw_value_short) {
+			if (rates[i].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
+				series[i].Rate |= rate->hw_value_short;
+		} else {
+			is_sp = false;
+		}
+
+		series[i].PktDuration = ath9k_hw_computetxtime(sc->sc_ah,
+			phy, rate->bitrate * 100, bf->bf_frmlen, rix, is_sp);
 	}
 
 	/* set dur_update_en for l-sig computation except for PS-Poll frames */
@@ -1920,8 +1962,10 @@ static void ath_tx_rc_status(struct ath_buf *bf, struct ath_desc *ds,
 		}
 	}
 
-	for (i = tx_rateindex + 1; i < hw->max_rates; i++)
+	for (i = tx_rateindex + 1; i < hw->max_rates; i++) {
 		tx_info->status.rates[i].count = 0;
+		tx_info->status.rates[i].idx = -1;
+	}
 
 	tx_info->status.rates[tx_rateindex].count = bf->bf_retries + 1;
 }
-- 
GitLab


From 1fe8234a376e341c378a6e1c5de65db0fb49189a Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Mon, 23 Nov 2009 22:22:27 +0100
Subject: [PATCH 1560/1815] ath9k: clean up rc rate table

Remove some fields from struct ath_rate_table that are now unused.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/rc.c | 326 ++++++++++------------------
 drivers/net/wireless/ath/ath9k/rc.h |   2 -
 2 files changed, 109 insertions(+), 219 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index 66d3004af2b..e697bd93490 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -22,131 +22,89 @@ static const struct ath_rate_table ar5416_11na_ratetable = {
 	8, /* MCS start */
 	{
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
-			5400, 0, 0x00, 12,
-			0, 0, 0, 0, 0, 0 },
+			5400, 0, 12, 0, 0, 0, 0, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
-			7800,  1, 0x00, 18,
-			0, 1, 1, 1, 1, 0 },
+			7800,  1, 18, 0, 1, 1, 1, 1 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
-			10000, 2, 0x00, 24,
-			2, 2, 2, 2, 2, 0 },
+			10000, 2, 24, 2, 2, 2, 2, 2 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
-			13900, 3, 0x00, 36,
-			2,  3, 3, 3, 3, 0 },
+			13900, 3, 36, 2, 3, 3, 3, 3 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
-			17300, 4, 0x00, 48,
-			4,  4, 4, 4, 4, 0 },
+			17300, 4, 48, 4, 4, 4, 4, 4 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
-			23000, 5, 0x00, 72,
-			4,  5, 5, 5, 5, 0 },
+			23000, 5, 72, 4, 5, 5, 5, 5 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
-			27400, 6, 0x00, 96,
-			4,  6, 6, 6, 6, 0 },
+			27400, 6, 96, 4, 6, 6, 6, 6 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
-			29300, 7, 0x00, 108,
-			4,  7, 7, 7, 7, 0 },
+			29300, 7, 108, 4, 7, 7, 7, 7 },
 		{ VALID_2040, VALID_2040, WLAN_RC_PHY_HT_20_SS, 6500, /* 6.5 Mb */
-			6400, 0, 0x00, 0,
-			0, 8, 24, 8, 24, 3216 },
+			6400, 0, 0, 0, 8, 24, 8, 24 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 13000, /* 13 Mb */
-			12700, 1, 0x00, 1,
-			2, 9, 25, 9, 25, 6434 },
+			12700, 1, 1, 2, 9, 25, 9, 25 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 19500, /* 19.5 Mb */
-			18800, 2, 0x00, 2,
-			2, 10, 26, 10, 26, 9650 },
+			18800, 2, 2, 2, 10, 26, 10, 26 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 26000, /* 26 Mb */
-			25000, 3, 0x00, 3,
-			4,  11, 27, 11, 27, 12868 },
+			25000, 3, 3, 4, 11, 27, 11, 27 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 39000, /* 39 Mb */
-			36700, 4, 0x00, 4,
-			4,  12, 28, 12, 28, 19304 },
+			36700, 4, 4, 4, 12, 28, 12, 28 },
 		{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 52000, /* 52 Mb */
-			48100, 5, 0x00, 5,
-			4,  13, 29, 13, 29, 25740 },
+			48100, 5, 5, 4, 13, 29, 13, 29 },
 		{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 58500, /* 58.5 Mb */
-			53500, 6, 0x00, 6,
-			4,  14, 30, 14, 30,  28956 },
+			53500, 6, 6, 4, 14, 30, 14, 30 },
 		{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 65000, /* 65 Mb */
-			59000, 7, 0x00, 7,
-			4,  15, 31, 15, 32, 32180 },
+			59000, 7, 7, 4, 15, 31, 15, 32 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 13000, /* 13 Mb */
-			12700, 8, 0x00,
-			8, 3, 16, 33, 16, 33, 6430 },
+			12700, 8, 8, 3, 16, 33, 16, 33 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 26000, /* 26 Mb */
-			24800, 9, 0x00, 9,
-			2, 17, 34, 17, 34, 12860 },
+			24800, 9, 9, 2, 17, 34, 17, 34 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 39000, /* 39 Mb */
-			36600, 10, 0x00, 10,
-			2, 18, 35, 18, 35, 19300 },
+			36600, 10, 10, 2, 18, 35, 18, 35 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 52000, /* 52 Mb */
-			48100, 11, 0x00, 11,
-			4,  19, 36, 19, 36, 25736 },
+			48100, 11, 11, 4, 19, 36, 19, 36 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 78000, /* 78 Mb */
-			69500, 12, 0x00, 12,
-			4,  20, 37, 20, 37, 38600 },
+			69500, 12, 12, 4, 20, 37, 20, 37 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 104000, /* 104 Mb */
-			89500, 13, 0x00, 13,
-			4,  21, 38, 21, 38, 51472 },
+			89500, 13, 13, 4, 21, 38, 21, 38 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 117000, /* 117 Mb */
-			98900, 14, 0x00, 14,
-			4,  22, 39, 22, 39, 57890 },
+			98900, 14, 14, 4, 22, 39, 22, 39 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 130000, /* 130 Mb */
-			108300, 15, 0x00, 15,
-			4,  23, 40, 23, 41, 64320 },
+			108300, 15, 15, 4, 23, 40, 23, 41 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 13500, /* 13.5 Mb */
-			13200, 0, 0x00, 0,
-			0, 8, 24, 24, 24, 6684 },
+			13200, 0, 0, 0, 8, 24, 24, 24 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 27500, /* 27.0 Mb */
-			25900, 1, 0x00, 1,
-			2, 9, 25, 25, 25, 13368 },
+			25900, 1, 1, 2, 9, 25, 25, 25 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 40500, /* 40.5 Mb */
-			38600, 2, 0x00, 2,
-			2, 10, 26, 26, 26, 20052 },
+			38600, 2, 2, 2, 10, 26, 26, 26 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 54000, /* 54 Mb */
-			49800, 3, 0x00, 3,
-			4,  11, 27, 27, 27, 26738 },
+			49800, 3, 3, 4, 11, 27, 27, 27 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 81500, /* 81 Mb */
-			72200, 4, 0x00, 4,
-			4,  12, 28, 28, 28, 40104 },
+			72200, 4, 4, 4, 12, 28, 28, 28 },
 		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 108000, /* 108 Mb */
-			92900, 5, 0x00, 5,
-			4,  13, 29, 29, 29, 53476 },
+			92900, 5, 5, 4, 13, 29, 29, 29 },
 		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 121500, /* 121.5 Mb */
-			102700, 6, 0x00, 6,
-			4,  14, 30, 30, 30, 60156 },
+			102700, 6, 6, 4, 14, 30, 30, 30 },
 		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 135000, /* 135 Mb */
-			112000, 7, 0x00, 7,
-			4,  15, 31, 32, 32, 66840 },
+			112000, 7, 7, 4, 15, 31, 32, 32 },
 		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS_HGI, 150000, /* 150 Mb */
-			122000, 7, 0x00, 7,
-			4,  15, 31, 32, 32, 74200 },
+			122000, 7, 7, 4, 15, 31, 32, 32 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 27000, /* 27 Mb */
-			25800, 8, 0x00, 8,
-			0, 16, 33, 33, 33, 13360 },
+			25800, 8, 8, 0, 16, 33, 33, 33 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 54000, /* 54 Mb */
-			49800, 9, 0x00, 9,
-			2, 17, 34, 34, 34, 26720 },
+			49800, 9, 9, 2, 17, 34, 34, 34 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 81000, /* 81 Mb */
-			71900, 10, 0x00, 10,
-			2, 18, 35, 35, 35, 40080 },
+			71900, 10, 10, 2, 18, 35, 35, 35 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 108000, /* 108 Mb */
-			92500, 11, 0x00, 11,
-			4,  19, 36, 36, 36, 53440 },
+			92500, 11, 11, 4, 19, 36, 36, 36 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 162000, /* 162 Mb */
-			130300, 12, 0x00, 12,
-			4,  20, 37, 37, 37, 80160 },
+			130300, 12, 12, 4, 20, 37, 37, 37 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 216000, /* 216 Mb */
-			162800, 13, 0x00, 13,
-			4,  21, 38, 38, 38, 106880 },
+			162800, 13, 13, 4, 21, 38, 38, 38 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 243000, /* 243 Mb */
-			178200, 14, 0x00, 14,
-			4,  22, 39, 39, 39, 120240 },
+			178200, 14, 14, 4, 22, 39, 39, 39 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 270000, /* 270 Mb */
-			192100, 15, 0x00, 15,
-			4,  23, 40, 41, 41, 133600 },
+			192100, 15, 15, 4, 23, 40, 41, 41 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS_HGI, 300000, /* 300 Mb */
-			207000, 15, 0x00, 15,
-			4,  23, 40, 41, 41, 148400 },
+			207000, 15, 15, 4, 23, 40, 41, 41 },
 	},
 	50,  /* probe interval */
 	WLAN_RC_HT_FLAG,  /* Phy rates allowed initially */
@@ -160,144 +118,98 @@ static const struct ath_rate_table ar5416_11ng_ratetable = {
 	12, /* MCS start */
 	{
 		{ VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */
-			900, 0, 0x00, 2,
-			0, 0, 0, 0, 0, 0 },
+			900, 0, 2, 0, 0, 0, 0, 0 },
 		{ VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 2000, /* 2 Mb */
-			1900, 1, 0x04, 4,
-			1, 1, 1, 1, 1, 0 },
+			1900, 1, 4, 1, 1, 1, 1, 1 },
 		{ VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 5500, /* 5.5 Mb */
-			4900, 2, 0x04, 11,
-			2, 2, 2, 2, 2, 0 },
+			4900, 2, 11, 2, 2, 2, 2, 2 },
 		{ VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 11000, /* 11 Mb */
-			8100, 3, 0x04, 22,
-			3, 3, 3, 3, 3, 0 },
+			8100, 3, 22, 3, 3, 3, 3, 3 },
 		{ INVALID, INVALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
-			5400, 4, 0x00, 12,
-			4, 4, 4, 4, 4, 0 },
+			5400, 4, 12, 4, 4, 4, 4, 4 },
 		{ INVALID, INVALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
-			7800, 5, 0x00, 18,
-			4, 5, 5, 5, 5, 0 },
+			7800, 5, 18, 4, 5, 5, 5, 5 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
-			10100, 6, 0x00, 24,
-			6, 6, 6, 6, 6, 0 },
+			10100, 6, 24, 6, 6, 6, 6, 6 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
-			14100, 7, 0x00, 36,
-			6, 7, 7, 7, 7, 0 },
+			14100, 7, 36, 6, 7, 7, 7, 7 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
-			17700, 8, 0x00, 48,
-			8,  8, 8, 8, 8, 0 },
+			17700, 8, 48, 8, 8, 8, 8, 8 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
-			23700, 9, 0x00, 72,
-			8,  9, 9, 9, 9, 0 },
+			23700, 9, 72, 8, 9, 9, 9, 9 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
-			27400, 10, 0x00, 96,
-			8,  10, 10, 10, 10, 0 },
+			27400, 10, 96, 8, 10, 10, 10, 10 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
-			30900, 11, 0x00, 108,
-			8,  11, 11, 11, 11, 0 },
+			30900, 11, 108, 8, 11, 11, 11, 11 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_SS, 6500, /* 6.5 Mb */
-			6400, 0, 0x00, 0,
-			4, 12, 28, 12, 28, 3216 },
+			6400, 0, 0, 4, 12, 28, 12, 28 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 13000, /* 13 Mb */
-			12700, 1, 0x00, 1,
-			6, 13, 29, 13, 29, 6434 },
+			12700, 1, 1, 6, 13, 29, 13, 29 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 19500, /* 19.5 Mb */
-			18800, 2, 0x00, 2,
-			6, 14, 30, 14, 30, 9650 },
+			18800, 2, 2, 6, 14, 30, 14, 30 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 26000, /* 26 Mb */
-			25000, 3, 0x00, 3,
-			8,  15, 31, 15, 31, 12868 },
+			25000, 3, 3, 8, 15, 31, 15, 31 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 39000, /* 39 Mb */
-			36700, 4, 0x00, 4,
-			8,  16, 32, 16, 32, 19304 },
+			36700, 4, 4, 8, 16, 32, 16, 32 },
 		{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 52000, /* 52 Mb */
-			48100, 5, 0x00, 5,
-			8,  17, 33, 17, 33, 25740 },
+			48100, 5, 5, 8, 17, 33, 17, 33 },
 		{ INVALID,  VALID_20, WLAN_RC_PHY_HT_20_SS, 58500, /* 58.5 Mb */
-			53500, 6, 0x00, 6,
-			8,  18, 34, 18, 34, 28956 },
+			53500, 6, 6, 8, 18, 34, 18, 34 },
 		{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 65000, /* 65 Mb */
-			59000, 7, 0x00, 7,
-			8,  19, 35, 19, 36, 32180 },
+			59000, 7, 7, 8, 19, 35, 19, 36 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 13000, /* 13 Mb */
-			12700, 8, 0x00, 8,
-			4, 20, 37, 20, 37, 6430 },
+			12700, 8, 8, 4, 20, 37, 20, 37 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 26000, /* 26 Mb */
-			24800, 9, 0x00, 9,
-			6, 21, 38, 21, 38, 12860 },
+			24800, 9, 9, 6, 21, 38, 21, 38 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 39000, /* 39 Mb */
-			36600, 10, 0x00, 10,
-			6, 22, 39, 22, 39, 19300 },
+			36600, 10, 10, 6, 22, 39, 22, 39 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 52000, /* 52 Mb */
-			48100, 11, 0x00, 11,
-			8,  23, 40, 23, 40, 25736 },
+			48100, 11, 11, 8, 23, 40, 23, 40 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 78000, /* 78 Mb */
-			69500, 12, 0x00, 12,
-			8,  24, 41, 24, 41, 38600 },
+			69500, 12, 12, 8, 24, 41, 24, 41 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 104000, /* 104 Mb */
-			89500, 13, 0x00, 13,
-			8,  25, 42, 25, 42, 51472 },
+			89500, 13, 13, 8, 25, 42, 25, 42 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 117000, /* 117 Mb */
-			98900, 14, 0x00, 14,
-			8,  26, 43, 26, 44, 57890 },
+			98900, 14, 14, 8, 26, 43, 26, 44 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 130000, /* 130 Mb */
-			108300, 15, 0x00, 15,
-			8,  27, 44, 27, 45, 64320 },
+			108300, 15, 15, 8, 27, 44, 27, 45 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 13500, /* 13.5 Mb */
-			13200, 0, 0x00, 0,
-			8, 12, 28, 28, 28, 6684 },
+			13200, 0, 0, 8, 12, 28, 28, 28 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 27500, /* 27.0 Mb */
-			25900, 1, 0x00, 1,
-			8, 13, 29, 29, 29, 13368 },
+			25900, 1, 1, 8, 13, 29, 29, 29 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 40500, /* 40.5 Mb */
-			38600, 2, 0x00, 2,
-			8, 14, 30, 30, 30, 20052 },
+			38600, 2, 2, 8, 14, 30, 30, 30 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 54000, /* 54 Mb */
-			49800, 3, 0x00, 3,
-			8,  15, 31, 31, 31, 26738 },
+			49800, 3, 3, 8,  15, 31, 31, 31 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 81500, /* 81 Mb */
-			72200, 4, 0x00, 4,
-			8,  16, 32, 32, 32, 40104 },
+			72200, 4, 4, 8, 16, 32, 32, 32 },
 		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 108000, /* 108 Mb */
-			92900, 5, 0x00, 5,
-			8,  17, 33, 33, 33, 53476 },
+			92900, 5, 5, 8, 17, 33, 33, 33 },
 		{ INVALID,  VALID_40, WLAN_RC_PHY_HT_40_SS, 121500, /* 121.5 Mb */
-			102700, 6, 0x00, 6,
-			8,  18, 34, 34, 34, 60156 },
+			102700, 6, 6, 8, 18, 34, 34, 34 },
 		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 135000, /* 135 Mb */
-			112000, 7, 0x00, 7,
-			8,  19, 35, 36, 36, 66840 },
+			112000, 7, 7, 8, 19, 35, 36, 36 },
 		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS_HGI, 150000, /* 150 Mb */
-			122000, 7, 0x00, 7,
-			8,  19, 35, 36, 36, 74200 },
+			122000, 7, 7, 8, 19, 35, 36, 36 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 27000, /* 27 Mb */
-			25800, 8, 0x00, 8,
-			8, 20, 37, 37, 37, 13360 },
+			25800, 8, 8, 8, 20, 37, 37, 37 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 54000, /* 54 Mb */
-			49800, 9, 0x00, 9,
-			8, 21, 38, 38, 38, 26720 },
+			49800, 9, 9, 8, 21, 38, 38, 38 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 81000, /* 81 Mb */
-			71900, 10, 0x00, 10,
-			8, 22, 39, 39, 39, 40080 },
+			71900, 10, 10, 8, 22, 39, 39, 39 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 108000, /* 108 Mb */
-			92500, 11, 0x00, 11,
-			8,  23, 40, 40, 40, 53440 },
+			92500, 11, 11, 8, 23, 40, 40, 40 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 162000, /* 162 Mb */
-			130300, 12, 0x00, 12,
-			8,  24, 41, 41, 41, 80160 },
+			130300, 12, 12, 8, 24, 41, 41, 41 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 216000, /* 216 Mb */
-			162800, 13, 0x00, 13,
-			8,  25, 42, 42, 42, 106880 },
+			162800, 13, 13, 8, 25, 42, 42, 42 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 243000, /* 243 Mb */
-			178200, 14, 0x00, 14,
-			8,  26, 43, 43, 43, 120240 },
+			178200, 14, 14, 8, 26, 43, 43, 43 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 270000, /* 270 Mb */
-			192100, 15, 0x00, 15,
-			8,  27, 44, 45, 45, 133600 },
+			192100, 15, 15, 8, 27, 44, 45, 45 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS_HGI, 300000, /* 300 Mb */
-			207000, 15, 0x00, 15,
-			8,  27, 44, 45, 45, 148400 },
-		},
+			207000, 15, 15, 8, 27, 44, 45, 45 },
+	},
 	50,  /* probe interval */
 	WLAN_RC_HT_FLAG,  /* Phy rates allowed initially */
 };
@@ -307,29 +219,21 @@ static const struct ath_rate_table ar5416_11a_ratetable = {
 	0,
 	{
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
-			5400, 0, 0x00, 12,
-			0, 0, 0 },
+			5400, 0, 12, 0, 0, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
-			7800, 1, 0x00, 18,
-			0, 1, 0 },
+			7800,  1, 18, 0, 1, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
-			10000, 2, 0x00, 24,
-			2, 2, 0 },
+			10000, 2, 24, 2, 2, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
-			13900, 3, 0x00, 36,
-			2, 3, 0 },
+			13900, 3, 36, 2, 3, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
-			17300, 4, 0x00, 48,
-			4,  4, 0 },
+			17300, 4, 48, 4, 4, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
-			23000, 5, 0x00, 72,
-			4,  5, 0 },
+			23000, 5, 72, 4, 5, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
-			27400, 6, 0x00, 96,
-			4,  6, 0 },
+			27400, 6, 96, 4, 6, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
-			29300, 7, 0x00, 108,
-			4,  7, 0 },
+			29300, 7, 108, 4, 7, 0 },
 	},
 	50,  /* probe interval */
 	0,   /* Phy rates allowed initially */
@@ -340,41 +244,29 @@ static const struct ath_rate_table ar5416_11g_ratetable = {
 	0,
 	{
 		{ VALID, VALID, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */
-			900, 0, 0x00, 2,
-			0, 0, 0 },
+			900, 0, 2, 0, 0, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_CCK, 2000, /* 2 Mb */
-			1900, 1, 0x04, 4,
-			1, 1, 0 },
+			1900, 1, 4, 1, 1, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_CCK, 5500, /* 5.5 Mb */
-			4900, 2, 0x04, 11,
-			2, 2, 0 },
+			4900, 2, 11, 2, 2, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_CCK, 11000, /* 11 Mb */
-			8100, 3, 0x04, 22,
-			3, 3, 0 },
+			8100, 3, 22, 3, 3, 0 },
 		{ INVALID, INVALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
-			5400, 4, 0x00, 12,
-			4, 4, 0 },
+			5400, 4, 12, 4, 4, 0 },
 		{ INVALID, INVALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
-			7800, 5, 0x00, 18,
-			4, 5, 0 },
+			7800, 5, 18, 4, 5, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
-			10000, 6, 0x00, 24,
-			6, 6, 0 },
+			10000, 6, 24, 6, 6, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
-			13900, 7, 0x00, 36,
-			6, 7, 0 },
+			13900, 7, 36, 6, 7, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
-			17300, 8, 0x00, 48,
-			8,  8, 0 },
+			17300, 8, 48, 8, 8, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
-			23000, 9, 0x00, 72,
-			8,  9, 0 },
+			23000, 9, 72, 8, 9, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
-			27400, 10, 0x00, 96,
-			8,  10, 0 },
+			27400, 10, 96, 8, 10, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
-			29300, 11, 0x00, 108,
-			8,  11, 0 },
+			29300, 11, 108, 8, 11, 0 },
 	},
 	50,  /* probe interval */
 	0,   /* Phy rates allowed initially */
diff --git a/drivers/net/wireless/ath/ath9k/rc.h b/drivers/net/wireless/ath/ath9k/rc.h
index d68bc946bb3..9eb96f50699 100644
--- a/drivers/net/wireless/ath/ath9k/rc.h
+++ b/drivers/net/wireless/ath/ath9k/rc.h
@@ -112,14 +112,12 @@ struct ath_rate_table {
 		u32 ratekbps;
 		u32 user_ratekbps;
 		u8 ratecode;
-		u8 short_preamble;
 		u8 dot11rate;
 		u8 ctrl_rate;
 		u8 base_index;
 		u8 cw40index;
 		u8 sgi_index;
 		u8 ht_index;
-		u32 max_4ms_framelen;
 	} info[RATE_TABLE_SIZE];
 	u32 probe_interval;
 	u8 initial_ratemax;
-- 
GitLab


From 845025634549850879d30f00e20bc8bfe63980b4 Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Mon, 23 Nov 2009 23:22:12 +0200
Subject: [PATCH 1561/1815] wl1271: Decrease BET consecutive terminated beacons
 value to 10

Decrease the consecutive terminated beacons value for BET from 100 to 10.
According to the vendor, 10 will give a more reliable connection and more
reliable detection of connection problems.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 00ddcc2d37c..43fdd45f840 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -222,7 +222,7 @@ static struct conf_drv_settings default_conf = {
 			.snr_pkt_avg_weight  = 10
 		},
 		.bet_enable                  = CONF_BET_MODE_ENABLE,
-		.bet_max_consecutive         = 100,
+		.bet_max_consecutive         = 10,
 		.psm_entry_retries           = 3
 	},
 	.init = {
-- 
GitLab


From 461fa136bb120f5b6b7d5814888a7211dbbd211b Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Mon, 23 Nov 2009 23:22:13 +0200
Subject: [PATCH 1562/1815] wl1271: Prevent PSM-entry retry loop if PSM
 cancelled

Prevent endless PSM-entry retry loops, if PSM has already been cancelled while
PSM entry was attempted.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_event.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_event.c b/drivers/net/wireless/wl12xx/wl1271_event.c
index e135d894b42..d13fdd99c85 100644
--- a/drivers/net/wireless/wl12xx/wl1271_event.c
+++ b/drivers/net/wireless/wl12xx/wl1271_event.c
@@ -78,12 +78,16 @@ static int wl1271_event_ps_report(struct wl1271 *wl,
 
 	switch (mbox->ps_status) {
 	case EVENT_ENTER_POWER_SAVE_FAIL:
+		if (!wl->psm) {
+			wl->psm_entry_retry = 0;
+			break;
+		}
+
 		if (wl->psm_entry_retry < wl->conf.conn.psm_entry_retries) {
 			wl->psm_entry_retry++;
-			wl1271_error("PSM entry failed, retrying %d\n",
-				     wl->psm_entry_retry);
 			ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE);
 		} else {
+			wl1271_error("PSM entry failed, giving up.\n");
 			wl->psm_entry_retry = 0;
 			*beacon_loss = true;
 		}
-- 
GitLab


From 03442a33174b1d9f6f8eb8c3c2e8a9cf4b75fffe Mon Sep 17 00:00:00 2001
From: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Date: Mon, 23 Nov 2009 23:22:14 +0200
Subject: [PATCH 1563/1815] wl1271: Set PSM support flags in driver
 configuration

Set the PSM support flag in the device configuration
for the mac80211 stack. This will enable usage of powersave.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 43fdd45f840..90916ed63b4 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -1753,7 +1753,8 @@ static int wl1271_init_ieee80211(struct wl1271 *wl)
 
 	wl->hw->flags = IEEE80211_HW_SIGNAL_DBM |
 		IEEE80211_HW_NOISE_DBM |
-		IEEE80211_HW_BEACON_FILTER;
+		IEEE80211_HW_BEACON_FILTER |
+		IEEE80211_HW_SUPPORTS_PS;
 
 	wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
 	wl->hw->wiphy->max_scan_ssids = 1;
-- 
GitLab


From 17d7265c7582af77357bd31884cef26f9f802313 Mon Sep 17 00:00:00 2001
From: Luciano Coelho <luciano.coelho@nokia.com>
Date: Mon, 23 Nov 2009 23:22:15 +0200
Subject: [PATCH 1564/1815] wl1271: fix the inetdev notifier callback return
 values

The wl1271_dev_notify() was returning 0 or -ENODEV, when it should return
NOTIFY_* instead.  Now we use NOTIFY_DONE when we didn't handle the event or
NOTIFY_OK when we have handled it.

For inetdev notifications, it doesn't matter whether we use NOTIFY_DONE or
NOTIFY_OK, because it ignores the return value of the call to
blocking_notifier_call_chain().  But the notify.h header says that
NOTIFY_DONE is "Don't care" and NOTIFY_OK is "Suits me", so that seems to be
the right way to do it.

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_main.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 90916ed63b4..c8652eed367 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -815,15 +815,15 @@ static int wl1271_dev_notify(struct notifier_block *me, unsigned long what,
 
 	wdev = dev->ieee80211_ptr;
 	if (wdev == NULL)
-		return -ENODEV;
+		return NOTIFY_DONE;
 
 	wiphy = wdev->wiphy;
 	if (wiphy == NULL)
-		return -ENODEV;
+		return NOTIFY_DONE;
 
 	hw = wiphy_priv(wiphy);
 	if (hw == NULL)
-		return -ENODEV;
+		return NOTIFY_DONE;
 
 	/* Check that the interface is one supported by this driver. */
 	wl_temp = hw->priv;
@@ -832,7 +832,7 @@ static int wl1271_dev_notify(struct notifier_block *me, unsigned long what,
 			break;
 	}
 	if (wl == NULL)
-		return -ENODEV;
+		return NOTIFY_DONE;
 
 	/* Get the interface IP address for the device. "ifa" will become
 	   NULL if:
@@ -868,7 +868,7 @@ static int wl1271_dev_notify(struct notifier_block *me, unsigned long what,
 out:
 	mutex_unlock(&wl->mutex);
 
-	return ret;
+	return NOTIFY_OK;
 }
 
 static struct notifier_block wl1271_dev_notifier = {
-- 
GitLab


From cc7defa366ea770efb25add8711defe88862197b Mon Sep 17 00:00:00 2001
From: Luciano Coelho <luciano.coelho@nokia.com>
Date: Mon, 23 Nov 2009 23:22:16 +0200
Subject: [PATCH 1565/1815] wl1271: set radio and general params also for PLT

We need to set the radio and general parameters when starting PLT mode.  This
patch adds calls to TEST_CMD_INI_RADIO_PARAMS and
TEST_CMD_INIT_GENERAL_PARAMS when initializing PLT mode.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_init.c |  4 ++--
 drivers/net/wireless/wl12xx/wl1271_init.h |  2 ++
 drivers/net/wireless/wl12xx/wl1271_main.c | 11 +++++++++++
 3 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_init.c b/drivers/net/wireless/wl12xx/wl1271_init.c
index 7c2017f480e..95ee0368438 100644
--- a/drivers/net/wireless/wl12xx/wl1271_init.c
+++ b/drivers/net/wireless/wl12xx/wl1271_init.c
@@ -193,7 +193,7 @@ static int wl1271_init_beacon_broadcast(struct wl1271 *wl)
 	return 0;
 }
 
-static int wl1271_init_general_parms(struct wl1271 *wl)
+int wl1271_init_general_parms(struct wl1271 *wl)
 {
 	struct wl1271_general_parms *gen_parms;
 	struct conf_general_parms *g = &wl->conf.init.genparam;
@@ -224,7 +224,7 @@ static int wl1271_init_general_parms(struct wl1271 *wl)
 	return 0;
 }
 
-static int wl1271_init_radio_parms(struct wl1271 *wl)
+int wl1271_init_radio_parms(struct wl1271 *wl)
 {
 	struct wl1271_radio_parms *radio_parms;
 	struct conf_radio_parms *r = &wl->conf.init.radioparam;
diff --git a/drivers/net/wireless/wl12xx/wl1271_init.h b/drivers/net/wireless/wl12xx/wl1271_init.h
index 6e21ceee76a..539b57f207c 100644
--- a/drivers/net/wireless/wl12xx/wl1271_init.h
+++ b/drivers/net/wireless/wl12xx/wl1271_init.h
@@ -28,6 +28,8 @@
 
 int wl1271_hw_init_power_auth(struct wl1271 *wl);
 int wl1271_hw_init(struct wl1271 *wl);
+int wl1271_init_general_parms(struct wl1271 *wl);
+int wl1271_init_radio_parms(struct wl1271 *wl);
 
 /* These are not really a TEST_CMD, but the ref driver uses them as such */
 #define TEST_CMD_INI_FILE_RADIO_PARAM   0x19
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index c8652eed367..d4e60399399 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -354,6 +354,17 @@ static int wl1271_plt_init(struct wl1271 *wl)
 {
 	int ret;
 
+	/* FIXME: the following parameter setting functions return error
+	 * codes - the reason is so far unknown. The -EIO is therefore
+	 * ignored for the time being. */
+	ret = wl1271_init_general_parms(wl);
+	if (ret < 0 && ret != -EIO)
+		return ret;
+
+	ret = wl1271_init_radio_parms(wl);
+	if (ret < 0 && ret != -EIO)
+		return ret;
+
 	ret = wl1271_acx_init_mem_config(wl);
 	if (ret < 0)
 		return ret;
-- 
GitLab


From 98b5dd5ded8cb59b598b2c0c396100054779eda7 Mon Sep 17 00:00:00 2001
From: Luciano Coelho <luciano.coelho@nokia.com>
Date: Mon, 23 Nov 2009 23:22:17 +0200
Subject: [PATCH 1566/1815] wl1271: fix radio and general parameters commands

We were missing the command header in the radio and general parameters
commands.  This was causing them to fail, resulting in problems in the power
levels and other PLT-related commands.

Also reorganized the command functions, moving from wl1271_init.c to
wl1271_cmd.c where it fits better.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_cmd.c  | 107 +++++++++++++++++++++
 drivers/net/wireless/wl12xx/wl1271_cmd.h  |  72 ++++++++++++++
 drivers/net/wireless/wl12xx/wl1271_init.c | 110 +---------------------
 drivers/net/wireless/wl12xx/wl1271_init.h |  72 --------------
 drivers/net/wireless/wl12xx/wl1271_main.c |   4 +-
 5 files changed, 183 insertions(+), 182 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c
index 990eb01b4c7..886a9bc39cc 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.c
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c
@@ -188,6 +188,113 @@ static int wl1271_cmd_cal(struct wl1271 *wl)
 	return ret;
 }
 
+int wl1271_cmd_general_parms(struct wl1271 *wl)
+{
+	struct wl1271_general_parms_cmd *gen_parms;
+	struct conf_general_parms *g = &wl->conf.init.genparam;
+	int ret;
+
+	gen_parms = kzalloc(sizeof(*gen_parms), GFP_KERNEL);
+	if (!gen_parms)
+		return -ENOMEM;
+
+	gen_parms->test.id = TEST_CMD_INI_FILE_GENERAL_PARAM;
+
+	gen_parms->ref_clk = g->ref_clk;
+	gen_parms->settling_time = g->settling_time;
+	gen_parms->clk_valid_on_wakeup = g->clk_valid_on_wakeup;
+	gen_parms->dc2dcmode = g->dc2dcmode;
+	gen_parms->single_dual_band = g->single_dual_band;
+	gen_parms->tx_bip_fem_autodetect = g->tx_bip_fem_autodetect;
+	gen_parms->tx_bip_fem_manufacturer = g->tx_bip_fem_manufacturer;
+	gen_parms->settings = g->settings;
+
+	ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), 0);
+	if (ret < 0)
+		wl1271_warning("CMD_INI_FILE_GENERAL_PARAM failed");
+
+	kfree(gen_parms);
+	return ret;
+}
+
+int wl1271_cmd_radio_parms(struct wl1271 *wl)
+{
+	struct wl1271_radio_parms_cmd *radio_parms;
+	struct conf_radio_parms *r = &wl->conf.init.radioparam;
+	int i, ret;
+
+	radio_parms = kzalloc(sizeof(*radio_parms), GFP_KERNEL);
+	if (!radio_parms)
+		return -ENOMEM;
+
+	radio_parms->test.id = TEST_CMD_INI_FILE_RADIO_PARAM;
+
+	/* Static radio parameters */
+	radio_parms->rx_trace_loss = r->rx_trace_loss;
+	radio_parms->tx_trace_loss = r->tx_trace_loss;
+	memcpy(radio_parms->rx_rssi_and_proc_compens,
+	       r->rx_rssi_and_proc_compens,
+	       CONF_RSSI_AND_PROCESS_COMPENSATION_SIZE);
+
+	memcpy(radio_parms->rx_trace_loss_5, r->rx_trace_loss_5,
+	       CONF_NUMBER_OF_SUB_BANDS_5);
+	memcpy(radio_parms->tx_trace_loss_5, r->tx_trace_loss_5,
+	       CONF_NUMBER_OF_SUB_BANDS_5);
+	memcpy(radio_parms->rx_rssi_and_proc_compens_5,
+	       r->rx_rssi_and_proc_compens_5,
+	       CONF_RSSI_AND_PROCESS_COMPENSATION_SIZE);
+
+	/* Dynamic radio parameters */
+	radio_parms->tx_ref_pd_voltage = cpu_to_le16(r->tx_ref_pd_voltage);
+	radio_parms->tx_ref_power = r->tx_ref_power;
+	radio_parms->tx_offset_db = r->tx_offset_db;
+
+	memcpy(radio_parms->tx_rate_limits_normal, r->tx_rate_limits_normal,
+	       CONF_NUMBER_OF_RATE_GROUPS);
+	memcpy(radio_parms->tx_rate_limits_degraded, r->tx_rate_limits_degraded,
+	       CONF_NUMBER_OF_RATE_GROUPS);
+
+	memcpy(radio_parms->tx_channel_limits_11b, r->tx_channel_limits_11b,
+	       CONF_NUMBER_OF_CHANNELS_2_4);
+	memcpy(radio_parms->tx_channel_limits_ofdm, r->tx_channel_limits_ofdm,
+	       CONF_NUMBER_OF_CHANNELS_2_4);
+	memcpy(radio_parms->tx_pdv_rate_offsets, r->tx_pdv_rate_offsets,
+	       CONF_NUMBER_OF_RATE_GROUPS);
+	memcpy(radio_parms->tx_ibias, r->tx_ibias, CONF_NUMBER_OF_RATE_GROUPS);
+
+	radio_parms->rx_fem_insertion_loss = r->rx_fem_insertion_loss;
+
+	for (i = 0; i < CONF_NUMBER_OF_SUB_BANDS_5; i++)
+		radio_parms->tx_ref_pd_voltage_5[i] =
+			cpu_to_le16(r->tx_ref_pd_voltage_5[i]);
+	memcpy(radio_parms->tx_ref_power_5, r->tx_ref_power_5,
+	       CONF_NUMBER_OF_SUB_BANDS_5);
+	memcpy(radio_parms->tx_offset_db_5, r->tx_offset_db_5,
+	       CONF_NUMBER_OF_SUB_BANDS_5);
+	memcpy(radio_parms->tx_rate_limits_normal_5,
+	       r->tx_rate_limits_normal_5, CONF_NUMBER_OF_RATE_GROUPS);
+	memcpy(radio_parms->tx_rate_limits_degraded_5,
+	       r->tx_rate_limits_degraded_5, CONF_NUMBER_OF_RATE_GROUPS);
+	memcpy(radio_parms->tx_channel_limits_ofdm_5,
+	       r->tx_channel_limits_ofdm_5, CONF_NUMBER_OF_CHANNELS_5);
+	memcpy(radio_parms->tx_pdv_rate_offsets_5, r->tx_pdv_rate_offsets_5,
+	       CONF_NUMBER_OF_RATE_GROUPS);
+	memcpy(radio_parms->tx_ibias_5, r->tx_ibias_5,
+	       CONF_NUMBER_OF_RATE_GROUPS);
+	memcpy(radio_parms->rx_fem_insertion_loss_5,
+	       r->rx_fem_insertion_loss_5, CONF_NUMBER_OF_SUB_BANDS_5);
+
+	wl1271_dump(DEBUG_CMD, "TEST_CMD_INI_FILE_RADIO_PARAM: ",
+		    radio_parms, sizeof(*radio_parms));
+
+	ret = wl1271_cmd_test(wl, radio_parms, sizeof(*radio_parms), 0);
+	if (ret < 0)
+		wl1271_warning("CMD_INI_FILE_RADIO_PARAM failed");
+
+	kfree(radio_parms);
+	return ret;
+}
+
 int wl1271_cmd_join(struct wl1271 *wl)
 {
 	static bool do_cal = true;
diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.h b/drivers/net/wireless/wl12xx/wl1271_cmd.h
index 9d7061b3c8a..b4fa4acb922 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.h
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.h
@@ -31,6 +31,8 @@ struct acx_header;
 
 int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len,
 		    size_t res_len);
+int wl1271_cmd_general_parms(struct wl1271 *wl);
+int wl1271_cmd_radio_parms(struct wl1271 *wl);
 int wl1271_cmd_join(struct wl1271 *wl);
 int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer);
 int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len);
@@ -418,6 +420,76 @@ enum wl1271_channel_tune_bands {
 #define TEST_CMD_P2G_CAL                   0x02
 #define TEST_CMD_CHANNEL_TUNE              0x0d
 #define TEST_CMD_UPDATE_PD_REFERENCE_POINT 0x1d
+#define TEST_CMD_INI_FILE_RADIO_PARAM      0x19
+#define TEST_CMD_INI_FILE_GENERAL_PARAM    0x1E
+
+struct wl1271_general_parms_cmd {
+	struct wl1271_cmd_header header;
+
+	struct wl1271_cmd_test_header test;
+
+	u8 ref_clk;
+	u8 settling_time;
+	u8 clk_valid_on_wakeup;
+	u8 dc2dcmode;
+	u8 single_dual_band;
+
+	u8 tx_bip_fem_autodetect;
+	u8 tx_bip_fem_manufacturer;
+	u8 settings;
+} __attribute__ ((packed));
+
+struct wl1271_radio_parms_cmd {
+	struct wl1271_cmd_header header;
+
+	struct wl1271_cmd_test_header test;
+
+	/* Static radio parameters */
+	/* 2.4GHz */
+	u8 rx_trace_loss;
+	u8 tx_trace_loss;
+	s8 rx_rssi_and_proc_compens[CONF_RSSI_AND_PROCESS_COMPENSATION_SIZE];
+
+	/* 5GHz */
+	u8 rx_trace_loss_5[CONF_NUMBER_OF_SUB_BANDS_5];
+	u8 tx_trace_loss_5[CONF_NUMBER_OF_SUB_BANDS_5];
+	s8 rx_rssi_and_proc_compens_5[CONF_RSSI_AND_PROCESS_COMPENSATION_SIZE];
+
+	/* Dynamic radio parameters */
+	/* 2.4GHz */
+	__le16 tx_ref_pd_voltage;
+	s8  tx_ref_power;
+	s8  tx_offset_db;
+
+	s8  tx_rate_limits_normal[CONF_NUMBER_OF_RATE_GROUPS];
+	s8  tx_rate_limits_degraded[CONF_NUMBER_OF_RATE_GROUPS];
+
+	s8  tx_channel_limits_11b[CONF_NUMBER_OF_CHANNELS_2_4];
+	s8  tx_channel_limits_ofdm[CONF_NUMBER_OF_CHANNELS_2_4];
+	s8  tx_pdv_rate_offsets[CONF_NUMBER_OF_RATE_GROUPS];
+
+	u8  tx_ibias[CONF_NUMBER_OF_RATE_GROUPS];
+	u8  rx_fem_insertion_loss;
+
+	u8 padding2;
+
+	/* 5GHz */
+	__le16 tx_ref_pd_voltage_5[CONF_NUMBER_OF_SUB_BANDS_5];
+	s8  tx_ref_power_5[CONF_NUMBER_OF_SUB_BANDS_5];
+	s8  tx_offset_db_5[CONF_NUMBER_OF_SUB_BANDS_5];
+
+	s8  tx_rate_limits_normal_5[CONF_NUMBER_OF_RATE_GROUPS];
+	s8  tx_rate_limits_degraded_5[CONF_NUMBER_OF_RATE_GROUPS];
+
+	s8  tx_channel_limits_ofdm_5[CONF_NUMBER_OF_CHANNELS_5];
+	s8  tx_pdv_rate_offsets_5[CONF_NUMBER_OF_RATE_GROUPS];
+
+	/* FIXME: this is inconsistent with the types for 2.4GHz */
+	s8  tx_ibias_5[CONF_NUMBER_OF_RATE_GROUPS];
+	s8  rx_fem_insertion_loss_5[CONF_NUMBER_OF_SUB_BANDS_5];
+
+	u8 padding3[2];
+} __attribute__ ((packed));
 
 struct wl1271_cmd_cal_channel_tune {
 	struct wl1271_cmd_header header;
diff --git a/drivers/net/wireless/wl12xx/wl1271_init.c b/drivers/net/wireless/wl12xx/wl1271_init.c
index 95ee0368438..44896accffd 100644
--- a/drivers/net/wireless/wl12xx/wl1271_init.c
+++ b/drivers/net/wireless/wl12xx/wl1271_init.c
@@ -193,112 +193,6 @@ static int wl1271_init_beacon_broadcast(struct wl1271 *wl)
 	return 0;
 }
 
-int wl1271_init_general_parms(struct wl1271 *wl)
-{
-	struct wl1271_general_parms *gen_parms;
-	struct conf_general_parms *g = &wl->conf.init.genparam;
-	int ret;
-
-	gen_parms = kzalloc(sizeof(*gen_parms), GFP_KERNEL);
-	if (!gen_parms)
-		return -ENOMEM;
-
-	gen_parms->id = TEST_CMD_INI_FILE_GENERAL_PARAM;
-
-	gen_parms->ref_clk = g->ref_clk;
-	gen_parms->settling_time = g->settling_time;
-	gen_parms->clk_valid_on_wakeup = g->clk_valid_on_wakeup;
-	gen_parms->dc2dcmode = g->dc2dcmode;
-	gen_parms->single_dual_band = g->single_dual_band;
-	gen_parms->tx_bip_fem_autodetect = g->tx_bip_fem_autodetect;
-	gen_parms->tx_bip_fem_manufacturer = g->tx_bip_fem_manufacturer;
-	gen_parms->settings = g->settings;
-
-	ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), 0);
-	if (ret < 0) {
-		wl1271_warning("CMD_INI_FILE_GENERAL_PARAM failed");
-		return ret;
-	}
-
-	kfree(gen_parms);
-	return 0;
-}
-
-int wl1271_init_radio_parms(struct wl1271 *wl)
-{
-	struct wl1271_radio_parms *radio_parms;
-	struct conf_radio_parms *r = &wl->conf.init.radioparam;
-	int i, ret;
-
-	radio_parms = kzalloc(sizeof(*radio_parms), GFP_KERNEL);
-	if (!radio_parms)
-		return -ENOMEM;
-
-	radio_parms->id = TEST_CMD_INI_FILE_RADIO_PARAM;
-
-	/* Static radio parameters */
-	radio_parms->rx_trace_loss = r->rx_trace_loss;
-	radio_parms->tx_trace_loss = r->tx_trace_loss;
-	memcpy(radio_parms->rx_rssi_and_proc_compens,
-	       r->rx_rssi_and_proc_compens,
-	       CONF_RSSI_AND_PROCESS_COMPENSATION_SIZE);
-
-	memcpy(radio_parms->rx_trace_loss_5, r->rx_trace_loss_5,
-	       CONF_NUMBER_OF_SUB_BANDS_5);
-	memcpy(radio_parms->tx_trace_loss_5, r->tx_trace_loss_5,
-	       CONF_NUMBER_OF_SUB_BANDS_5);
-	memcpy(radio_parms->rx_rssi_and_proc_compens_5,
-	       r->rx_rssi_and_proc_compens_5,
-	       CONF_RSSI_AND_PROCESS_COMPENSATION_SIZE);
-
-	/* Dynamic radio parameters */
-	radio_parms->tx_ref_pd_voltage = cpu_to_le16(r->tx_ref_pd_voltage);
-	radio_parms->tx_ref_power = r->tx_ref_power;
-	radio_parms->tx_offset_db = r->tx_offset_db;
-
-	memcpy(radio_parms->tx_rate_limits_normal, r->tx_rate_limits_normal,
-	       CONF_NUMBER_OF_RATE_GROUPS);
-	memcpy(radio_parms->tx_rate_limits_degraded, r->tx_rate_limits_degraded,
-	       CONF_NUMBER_OF_RATE_GROUPS);
-
-	memcpy(radio_parms->tx_channel_limits_11b, r->tx_channel_limits_11b,
-	       CONF_NUMBER_OF_CHANNELS_2_4);
-	memcpy(radio_parms->tx_channel_limits_ofdm, r->tx_channel_limits_ofdm,
-	       CONF_NUMBER_OF_CHANNELS_2_4);
-	memcpy(radio_parms->tx_pdv_rate_offsets, r->tx_pdv_rate_offsets,
-	       CONF_NUMBER_OF_RATE_GROUPS);
-	memcpy(radio_parms->tx_ibias, r->tx_ibias, CONF_NUMBER_OF_RATE_GROUPS);
-
-	radio_parms->rx_fem_insertion_loss = r->rx_fem_insertion_loss;
-
-	for (i = 0; i < CONF_NUMBER_OF_SUB_BANDS_5; i++)
-		radio_parms->tx_ref_pd_voltage_5[i] =
-			cpu_to_le16(r->tx_ref_pd_voltage_5[i]);
-	memcpy(radio_parms->tx_ref_power_5, r->tx_ref_power_5,
-	       CONF_NUMBER_OF_SUB_BANDS_5);
-	memcpy(radio_parms->tx_offset_db_5, r->tx_offset_db_5,
-	       CONF_NUMBER_OF_SUB_BANDS_5);
-	memcpy(radio_parms->tx_rate_limits_normal_5,
-	       r->tx_rate_limits_normal_5, CONF_NUMBER_OF_RATE_GROUPS);
-	memcpy(radio_parms->tx_rate_limits_degraded_5,
-	       r->tx_rate_limits_degraded_5, CONF_NUMBER_OF_RATE_GROUPS);
-	memcpy(radio_parms->tx_channel_limits_ofdm_5,
-	       r->tx_channel_limits_ofdm_5, CONF_NUMBER_OF_CHANNELS_5);
-	memcpy(radio_parms->tx_pdv_rate_offsets_5, r->tx_pdv_rate_offsets_5,
-	       CONF_NUMBER_OF_RATE_GROUPS);
-	memcpy(radio_parms->tx_ibias_5, r->tx_ibias_5,
-	       CONF_NUMBER_OF_RATE_GROUPS);
-	memcpy(radio_parms->rx_fem_insertion_loss_5,
-	       r->rx_fem_insertion_loss_5, CONF_NUMBER_OF_SUB_BANDS_5);
-
-	ret = wl1271_cmd_test(wl, radio_parms, sizeof(*radio_parms), 0);
-	if (ret < 0)
-		wl1271_warning("CMD_INI_FILE_RADIO_PARAM failed");
-
-	kfree(radio_parms);
-	return ret;
-}
-
 int wl1271_hw_init(struct wl1271 *wl)
 {
 	int ret;
@@ -306,11 +200,11 @@ int wl1271_hw_init(struct wl1271 *wl)
 	/* FIXME: the following parameter setting functions return error
 	 * codes - the reason is so far unknown. The -EIO is therefore
 	 * ignored for the time being. */
-	ret = wl1271_init_general_parms(wl);
+	ret = wl1271_cmd_general_parms(wl);
 	if (ret < 0 && ret != -EIO)
 		return ret;
 
-	ret = wl1271_init_radio_parms(wl);
+	ret = wl1271_cmd_radio_parms(wl);
 	if (ret < 0 && ret != -EIO)
 		return ret;
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_init.h b/drivers/net/wireless/wl12xx/wl1271_init.h
index 539b57f207c..930677fbe85 100644
--- a/drivers/net/wireless/wl12xx/wl1271_init.h
+++ b/drivers/net/wireless/wl12xx/wl1271_init.h
@@ -28,77 +28,5 @@
 
 int wl1271_hw_init_power_auth(struct wl1271 *wl);
 int wl1271_hw_init(struct wl1271 *wl);
-int wl1271_init_general_parms(struct wl1271 *wl);
-int wl1271_init_radio_parms(struct wl1271 *wl);
-
-/* These are not really a TEST_CMD, but the ref driver uses them as such */
-#define TEST_CMD_INI_FILE_RADIO_PARAM   0x19
-#define TEST_CMD_INI_FILE_GENERAL_PARAM 0x1E
-
-struct wl1271_general_parms {
-	u8 id;
-	u8 padding[3];
-
-	u8 ref_clk;
-	u8 settling_time;
-	u8 clk_valid_on_wakeup;
-	u8 dc2dcmode;
-	u8 single_dual_band;
-
-	u8 tx_bip_fem_autodetect;
-	u8 tx_bip_fem_manufacturer;
-	u8 settings;
-} __attribute__ ((packed));
-
-struct wl1271_radio_parms {
-	u8 id;
-	u8 padding[3];
-
-	/* Static radio parameters */
-	/* 2.4GHz */
-	u8 rx_trace_loss;
-	u8 tx_trace_loss;
-	s8 rx_rssi_and_proc_compens[CONF_RSSI_AND_PROCESS_COMPENSATION_SIZE];
-
-	/* 5GHz */
-	u8 rx_trace_loss_5[CONF_NUMBER_OF_SUB_BANDS_5];
-	u8 tx_trace_loss_5[CONF_NUMBER_OF_SUB_BANDS_5];
-	s8 rx_rssi_and_proc_compens_5[CONF_RSSI_AND_PROCESS_COMPENSATION_SIZE];
-
-	/* Dynamic radio parameters */
-	/* 2.4GHz */
-	__le16 tx_ref_pd_voltage;
-	s8  tx_ref_power;
-	s8  tx_offset_db;
-
-	s8  tx_rate_limits_normal[CONF_NUMBER_OF_RATE_GROUPS];
-	s8  tx_rate_limits_degraded[CONF_NUMBER_OF_RATE_GROUPS];
-
-	s8  tx_channel_limits_11b[CONF_NUMBER_OF_CHANNELS_2_4];
-	s8  tx_channel_limits_ofdm[CONF_NUMBER_OF_CHANNELS_2_4];
-	s8  tx_pdv_rate_offsets[CONF_NUMBER_OF_RATE_GROUPS];
-
-	u8  tx_ibias[CONF_NUMBER_OF_RATE_GROUPS];
-	u8  rx_fem_insertion_loss;
-
-	u8 padding2;
-
-	/* 5GHz */
-	__le16 tx_ref_pd_voltage_5[CONF_NUMBER_OF_SUB_BANDS_5];
-	s8  tx_ref_power_5[CONF_NUMBER_OF_SUB_BANDS_5];
-	s8  tx_offset_db_5[CONF_NUMBER_OF_SUB_BANDS_5];
-
-	s8  tx_rate_limits_normal_5[CONF_NUMBER_OF_RATE_GROUPS];
-	s8  tx_rate_limits_degraded_5[CONF_NUMBER_OF_RATE_GROUPS];
-
-	s8  tx_channel_limits_ofdm_5[CONF_NUMBER_OF_CHANNELS_5];
-	s8  tx_pdv_rate_offsets_5[CONF_NUMBER_OF_RATE_GROUPS];
-
-	/* FIXME: this is inconsistent with the types for 2.4GHz */
-	s8  tx_ibias_5[CONF_NUMBER_OF_RATE_GROUPS];
-	s8  rx_fem_insertion_loss_5[CONF_NUMBER_OF_SUB_BANDS_5];
-
-	u8 padding3[2];
-} __attribute__ ((packed));
 
 #endif
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index d4e60399399..b75557e0e68 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -357,11 +357,11 @@ static int wl1271_plt_init(struct wl1271 *wl)
 	/* FIXME: the following parameter setting functions return error
 	 * codes - the reason is so far unknown. The -EIO is therefore
 	 * ignored for the time being. */
-	ret = wl1271_init_general_parms(wl);
+	ret = wl1271_cmd_general_parms(wl);
 	if (ret < 0 && ret != -EIO)
 		return ret;
 
-	ret = wl1271_init_radio_parms(wl);
+	ret = wl1271_cmd_radio_parms(wl);
 	if (ret < 0 && ret != -EIO)
 		return ret;
 
-- 
GitLab


From 4a90406b876cade9bb8d9c95b048d60fb979ba6b Mon Sep 17 00:00:00 2001
From: Luciano Coelho <luciano.coelho@nokia.com>
Date: Mon, 23 Nov 2009 23:22:18 +0200
Subject: [PATCH 1567/1815] wl1271: remove workaround to ignore -EIO from radio
 and general params

We were ignoring the -EIO return value from wl1271_cmd_radio_params() and
wl1271_cmd_general_params(), because they were always returning an error and
we didn't know why.  Now this has been fixed, so the workaround can be
removed.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_init.c | 7 ++-----
 drivers/net/wireless/wl12xx/wl1271_main.c | 7 ++-----
 2 files changed, 4 insertions(+), 10 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_init.c b/drivers/net/wireless/wl12xx/wl1271_init.c
index 44896accffd..11249b436cf 100644
--- a/drivers/net/wireless/wl12xx/wl1271_init.c
+++ b/drivers/net/wireless/wl12xx/wl1271_init.c
@@ -197,15 +197,12 @@ int wl1271_hw_init(struct wl1271 *wl)
 {
 	int ret;
 
-	/* FIXME: the following parameter setting functions return error
-	 * codes - the reason is so far unknown. The -EIO is therefore
-	 * ignored for the time being. */
 	ret = wl1271_cmd_general_parms(wl);
-	if (ret < 0 && ret != -EIO)
+	if (ret < 0)
 		return ret;
 
 	ret = wl1271_cmd_radio_parms(wl);
-	if (ret < 0 && ret != -EIO)
+	if (ret < 0)
 		return ret;
 
 	/* Template settings */
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index b75557e0e68..64d05265f7e 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -354,15 +354,12 @@ static int wl1271_plt_init(struct wl1271 *wl)
 {
 	int ret;
 
-	/* FIXME: the following parameter setting functions return error
-	 * codes - the reason is so far unknown. The -EIO is therefore
-	 * ignored for the time being. */
 	ret = wl1271_cmd_general_parms(wl);
-	if (ret < 0 && ret != -EIO)
+	if (ret < 0)
 		return ret;
 
 	ret = wl1271_cmd_radio_parms(wl);
-	if (ret < 0 && ret != -EIO)
+	if (ret < 0)
 		return ret;
 
 	ret = wl1271_acx_init_mem_config(wl);
-- 
GitLab


From c7c8adb53ff3e8fa3cf7a5144bd2791c4da2c07d Mon Sep 17 00:00:00 2001
From: Luciano Coelho <luciano.coelho@nokia.com>
Date: Mon, 23 Nov 2009 23:22:19 +0200
Subject: [PATCH 1568/1815] wl1271: Remove REF_CLK hack

This hack was totally wrong and was "needed" because of a problem in the way
we were sending the GENERAL_PARMS command to the firmware.  Now that that
problem has been fixed, this hack can be removed.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_main.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 64d05265f7e..b62c00ff42f 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -251,14 +251,7 @@ static struct conf_drv_settings default_conf = {
 		},
 		.sr_enable                   = 1,
 		.genparam                    = {
-			/*
-			 * FIXME: The correct value CONF_REF_CLK_38_4_E
-			 *        causes the firmware to crash on boot.
-			 *        The value 5 apparently is an
-			 *        unnoficial XTAL configuration of the
-			 *        same frequency, which appears to work.
-			 */
-			.ref_clk             = 5,
+			.ref_clk             = CONF_REF_CLK_38_4_E,
 			.settling_time       = 5,
 			.clk_valid_on_wakeup = 0,
 			.dc2dcmode           = 0,
-- 
GitLab


From 38a522e6bc0fcd9848b91366ec899f1c2cb23609 Mon Sep 17 00:00:00 2001
From: Gertjan van Wingerde <gwingerde@gmail.com>
Date: Mon, 23 Nov 2009 22:44:47 +0100
Subject: [PATCH 1569/1815] rt2x00: Only initialize HT on rt2800 devices that
 support it.

Some RT28xx/RT30xx devices don't support 802.11n, when they are combined with
the RF2020 chipset. Ensure that HT is disabled for these devices.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800lib.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index e94f1e13fea..fcd0c88d5f0 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -2072,7 +2072,11 @@ int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 	/*
 	 * Initialize HT information.
 	 */
-	spec->ht.ht_supported = true;
+	if (!rt2x00_rf(chip, RF2020))
+		spec->ht.ht_supported = true;
+	else
+		spec->ht.ht_supported = false;
+
 	spec->ht.cap =
 	    IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
 	    IEEE80211_HT_CAP_GRN_FLD |
-- 
GitLab


From 6a6f455ca4120ae0c6a1bb77d58ba2f5e3e96afd Mon Sep 17 00:00:00 2001
From: Gertjan van Wingerde <gwingerde@gmail.com>
Date: Mon, 23 Nov 2009 22:44:48 +0100
Subject: [PATCH 1570/1815] rt2x00: Remove unused variable frame_control from
 rt2x00mac_tx.

As additional fallout also remove the also unused variable ieee80211hdr.

Reported-by: Johannes Stezenbach <js@sig21.net>
Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <ivdoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2x00mac.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
index 9c90ceb0ffc..de549c244ed 100644
--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -103,10 +103,8 @@ int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
 {
 	struct rt2x00_dev *rt2x00dev = hw->priv;
 	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
-	struct ieee80211_hdr *ieee80211hdr = (struct ieee80211_hdr *)skb->data;
 	enum data_queue_qid qid = skb_get_queue_mapping(skb);
 	struct data_queue *queue;
-	u16 frame_control;
 
 	/*
 	 * Mac80211 might be calling this function while we are trying
@@ -141,7 +139,6 @@ int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
 	 * either RTS or CTS-to-self frame and handles everything
 	 * inside the hardware.
 	 */
-	frame_control = le16_to_cpu(ieee80211hdr->frame_control);
 	if ((tx_info->control.rates[0].flags & (IEEE80211_TX_RC_USE_RTS_CTS |
 						IEEE80211_TX_RC_USE_CTS_PROTECT)) &&
 	    !rt2x00dev->ops->hw->set_rts_threshold) {
-- 
GitLab


From ee303e543e7d5f0d38197298adf0c4fb079094e9 Mon Sep 17 00:00:00 2001
From: Gertjan van Wingerde <gwingerde@gmail.com>
Date: Mon, 23 Nov 2009 22:44:49 +0100
Subject: [PATCH 1571/1815] rt2x00: Clean up use of rt2x00_intf_is_pci.

RT chipsets are unique across both PCI and USB busses, and don't overlap.
Therefore there is no need to test for bus type when only checking for
chipset type. Remove the redundant checks.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <ivdoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2800lib.c | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index fcd0c88d5f0..02ffcf54bf0 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -217,14 +217,12 @@ void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
 {
 	u32 reg;
 
-	if (rt2x00_intf_is_pci(rt2x00dev)) {
-		/*
-		* RT2880 and RT3052 don't support MCU requests.
-		*/
-		if (rt2x00_rt(&rt2x00dev->chip, RT2880) ||
-		    rt2x00_rt(&rt2x00dev->chip, RT3052))
-			return;
-	}
+	/*
+	 * RT2880 and RT3052 don't support MCU requests.
+	 */
+	if (rt2x00_rt(&rt2x00dev->chip, RT2880) ||
+	    rt2x00_rt(&rt2x00dev->chip, RT3052))
+		return;
 
 	mutex_lock(&rt2x00dev->csr_mutex);
 
@@ -1482,8 +1480,7 @@ int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
 		rt2800_bbp_write(rt2x00dev, 105, 0x05);
 	}
 
-	if (rt2x00_intf_is_pci(rt2x00dev) &&
-	    rt2x00_rt(&rt2x00dev->chip, RT3052)) {
+	if (rt2x00_rt(&rt2x00dev->chip, RT3052)) {
 		rt2800_bbp_write(rt2x00dev, 31, 0x08);
 		rt2800_bbp_write(rt2x00dev, 78, 0x0e);
 		rt2800_bbp_write(rt2x00dev, 80, 0x08);
-- 
GitLab


From 95d69aa046f75c750f18119810b6f58d397fb576 Mon Sep 17 00:00:00 2001
From: Gertjan van Wingerde <gwingerde@gmail.com>
Date: Mon, 23 Nov 2009 22:44:50 +0100
Subject: [PATCH 1572/1815] rt2x00: Fix typo (lengt --> length) in
 rt2x00queue.c

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <ivdoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2x00queue.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c
index eaedee8c05c..32d4aeabfd4 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.c
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
@@ -162,10 +162,10 @@ void rt2x00queue_align_frame(struct sk_buff *skb)
 	skb_trim(skb, frame_length);
 }
 
-void rt2x00queue_align_payload(struct sk_buff *skb, unsigned int header_lengt)
+void rt2x00queue_align_payload(struct sk_buff *skb, unsigned int header_length)
 {
 	unsigned int frame_length = skb->len;
-	unsigned int align = ALIGN_SIZE(skb, header_lengt);
+	unsigned int align = ALIGN_SIZE(skb, header_length);
 
 	if (!align)
 		return;
-- 
GitLab


From 04d0362e2fa9d5f1ab560d0d59d04a535b4f3973 Mon Sep 17 00:00:00 2001
From: Gertjan van Wingerde <gwingerde@gmail.com>
Date: Mon, 23 Nov 2009 22:44:51 +0100
Subject: [PATCH 1573/1815] rt2x00: Whitespace cleanup.

Clean up the use of whitespace in the initialization of the rt2x00_ops
structures. This is preparatory for a later patch that adds members
to that structure, which require different whitespace alignment.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2400pci.c | 26 ++++++++++++-------------
 drivers/net/wireless/rt2x00/rt2500pci.c | 26 ++++++++++++-------------
 drivers/net/wireless/rt2x00/rt2500usb.c | 26 ++++++++++++-------------
 drivers/net/wireless/rt2x00/rt2800pci.c | 24 +++++++++++------------
 drivers/net/wireless/rt2x00/rt2800usb.c | 24 +++++++++++------------
 drivers/net/wireless/rt2x00/rt61pci.c   | 24 +++++++++++------------
 drivers/net/wireless/rt2x00/rt73usb.c   | 24 +++++++++++------------
 7 files changed, 87 insertions(+), 87 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c
index 6e68bc7efd4..7f900be39e5 100644
--- a/drivers/net/wireless/rt2x00/rt2400pci.c
+++ b/drivers/net/wireless/rt2x00/rt2400pci.c
@@ -1623,20 +1623,20 @@ static const struct data_queue_desc rt2400pci_queue_atim = {
 };
 
 static const struct rt2x00_ops rt2400pci_ops = {
-	.name		= KBUILD_MODNAME,
-	.max_sta_intf	= 1,
-	.max_ap_intf	= 1,
-	.eeprom_size	= EEPROM_SIZE,
-	.rf_size	= RF_SIZE,
-	.tx_queues	= NUM_TX_QUEUES,
-	.rx		= &rt2400pci_queue_rx,
-	.tx		= &rt2400pci_queue_tx,
-	.bcn		= &rt2400pci_queue_bcn,
-	.atim		= &rt2400pci_queue_atim,
-	.lib		= &rt2400pci_rt2x00_ops,
-	.hw		= &rt2400pci_mac80211_ops,
+	.name			= KBUILD_MODNAME,
+	.max_sta_intf		= 1,
+	.max_ap_intf		= 1,
+	.eeprom_size		= EEPROM_SIZE,
+	.rf_size		= RF_SIZE,
+	.tx_queues		= NUM_TX_QUEUES,
+	.rx			= &rt2400pci_queue_rx,
+	.tx			= &rt2400pci_queue_tx,
+	.bcn			= &rt2400pci_queue_bcn,
+	.atim			= &rt2400pci_queue_atim,
+	.lib			= &rt2400pci_rt2x00_ops,
+	.hw			= &rt2400pci_mac80211_ops,
 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
-	.debugfs	= &rt2400pci_rt2x00debug,
+	.debugfs		= &rt2400pci_rt2x00debug,
 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 };
 
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c
index 9a31e5e7b8d..30960fd8a44 100644
--- a/drivers/net/wireless/rt2x00/rt2500pci.c
+++ b/drivers/net/wireless/rt2x00/rt2500pci.c
@@ -1922,20 +1922,20 @@ static const struct data_queue_desc rt2500pci_queue_atim = {
 };
 
 static const struct rt2x00_ops rt2500pci_ops = {
-	.name		= KBUILD_MODNAME,
-	.max_sta_intf	= 1,
-	.max_ap_intf	= 1,
-	.eeprom_size	= EEPROM_SIZE,
-	.rf_size	= RF_SIZE,
-	.tx_queues	= NUM_TX_QUEUES,
-	.rx		= &rt2500pci_queue_rx,
-	.tx		= &rt2500pci_queue_tx,
-	.bcn		= &rt2500pci_queue_bcn,
-	.atim		= &rt2500pci_queue_atim,
-	.lib		= &rt2500pci_rt2x00_ops,
-	.hw		= &rt2500pci_mac80211_ops,
+	.name			= KBUILD_MODNAME,
+	.max_sta_intf		= 1,
+	.max_ap_intf		= 1,
+	.eeprom_size		= EEPROM_SIZE,
+	.rf_size		= RF_SIZE,
+	.tx_queues		= NUM_TX_QUEUES,
+	.rx			= &rt2500pci_queue_rx,
+	.tx			= &rt2500pci_queue_tx,
+	.bcn			= &rt2500pci_queue_bcn,
+	.atim			= &rt2500pci_queue_atim,
+	.lib			= &rt2500pci_rt2x00_ops,
+	.hw			= &rt2500pci_mac80211_ops,
 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
-	.debugfs	= &rt2500pci_rt2x00debug,
+	.debugfs		= &rt2500pci_rt2x00debug,
 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 };
 
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index b2de43e4f65..02290f68113 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -1823,20 +1823,20 @@ static const struct data_queue_desc rt2500usb_queue_atim = {
 };
 
 static const struct rt2x00_ops rt2500usb_ops = {
-	.name		= KBUILD_MODNAME,
-	.max_sta_intf	= 1,
-	.max_ap_intf	= 1,
-	.eeprom_size	= EEPROM_SIZE,
-	.rf_size	= RF_SIZE,
-	.tx_queues	= NUM_TX_QUEUES,
-	.rx		= &rt2500usb_queue_rx,
-	.tx		= &rt2500usb_queue_tx,
-	.bcn		= &rt2500usb_queue_bcn,
-	.atim		= &rt2500usb_queue_atim,
-	.lib		= &rt2500usb_rt2x00_ops,
-	.hw		= &rt2500usb_mac80211_ops,
+	.name			= KBUILD_MODNAME,
+	.max_sta_intf		= 1,
+	.max_ap_intf		= 1,
+	.eeprom_size		= EEPROM_SIZE,
+	.rf_size		= RF_SIZE,
+	.tx_queues		= NUM_TX_QUEUES,
+	.rx			= &rt2500usb_queue_rx,
+	.tx			= &rt2500usb_queue_tx,
+	.bcn			= &rt2500usb_queue_bcn,
+	.atim			= &rt2500usb_queue_atim,
+	.lib			= &rt2500usb_rt2x00_ops,
+	.hw			= &rt2500usb_mac80211_ops,
 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
-	.debugfs	= &rt2500usb_rt2x00debug,
+	.debugfs		= &rt2500usb_rt2x00debug,
 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 };
 
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 87a5094ae95..029a45f0cb9 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -1201,19 +1201,19 @@ static const struct data_queue_desc rt2800pci_queue_bcn = {
 };
 
 static const struct rt2x00_ops rt2800pci_ops = {
-	.name		= KBUILD_MODNAME,
-	.max_sta_intf	= 1,
-	.max_ap_intf	= 8,
-	.eeprom_size	= EEPROM_SIZE,
-	.rf_size	= RF_SIZE,
-	.tx_queues	= NUM_TX_QUEUES,
-	.rx		= &rt2800pci_queue_rx,
-	.tx		= &rt2800pci_queue_tx,
-	.bcn		= &rt2800pci_queue_bcn,
-	.lib		= &rt2800pci_rt2x00_ops,
-	.hw		= &rt2800_mac80211_ops,
+	.name			= KBUILD_MODNAME,
+	.max_sta_intf		= 1,
+	.max_ap_intf		= 8,
+	.eeprom_size		= EEPROM_SIZE,
+	.rf_size		= RF_SIZE,
+	.tx_queues		= NUM_TX_QUEUES,
+	.rx			= &rt2800pci_queue_rx,
+	.tx			= &rt2800pci_queue_tx,
+	.bcn			= &rt2800pci_queue_bcn,
+	.lib			= &rt2800pci_rt2x00_ops,
+	.hw			= &rt2800_mac80211_ops,
 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
-	.debugfs	= &rt2800_rt2x00debug,
+	.debugfs		= &rt2800_rt2x00debug,
 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 };
 
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 9ab15c48070..208316af6d9 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -790,19 +790,19 @@ static const struct data_queue_desc rt2800usb_queue_bcn = {
 };
 
 static const struct rt2x00_ops rt2800usb_ops = {
-	.name		= KBUILD_MODNAME,
-	.max_sta_intf	= 1,
-	.max_ap_intf	= 8,
-	.eeprom_size	= EEPROM_SIZE,
-	.rf_size	= RF_SIZE,
-	.tx_queues	= NUM_TX_QUEUES,
-	.rx		= &rt2800usb_queue_rx,
-	.tx		= &rt2800usb_queue_tx,
-	.bcn		= &rt2800usb_queue_bcn,
-	.lib		= &rt2800usb_rt2x00_ops,
-	.hw		= &rt2800_mac80211_ops,
+	.name			= KBUILD_MODNAME,
+	.max_sta_intf		= 1,
+	.max_ap_intf		= 8,
+	.eeprom_size		= EEPROM_SIZE,
+	.rf_size		= RF_SIZE,
+	.tx_queues		= NUM_TX_QUEUES,
+	.rx			= &rt2800usb_queue_rx,
+	.tx			= &rt2800usb_queue_tx,
+	.bcn			= &rt2800usb_queue_bcn,
+	.lib			= &rt2800usb_rt2x00_ops,
+	.hw			= &rt2800_mac80211_ops,
 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
-	.debugfs	= &rt2800_rt2x00debug,
+	.debugfs		= &rt2800_rt2x00debug,
 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 };
 
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index bf04605896c..4cb9afeed9d 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -2788,19 +2788,19 @@ static const struct data_queue_desc rt61pci_queue_bcn = {
 };
 
 static const struct rt2x00_ops rt61pci_ops = {
-	.name		= KBUILD_MODNAME,
-	.max_sta_intf	= 1,
-	.max_ap_intf	= 4,
-	.eeprom_size	= EEPROM_SIZE,
-	.rf_size	= RF_SIZE,
-	.tx_queues	= NUM_TX_QUEUES,
-	.rx		= &rt61pci_queue_rx,
-	.tx		= &rt61pci_queue_tx,
-	.bcn		= &rt61pci_queue_bcn,
-	.lib		= &rt61pci_rt2x00_ops,
-	.hw		= &rt61pci_mac80211_ops,
+	.name			= KBUILD_MODNAME,
+	.max_sta_intf		= 1,
+	.max_ap_intf		= 4,
+	.eeprom_size		= EEPROM_SIZE,
+	.rf_size		= RF_SIZE,
+	.tx_queues		= NUM_TX_QUEUES,
+	.rx			= &rt61pci_queue_rx,
+	.tx			= &rt61pci_queue_tx,
+	.bcn			= &rt61pci_queue_bcn,
+	.lib			= &rt61pci_rt2x00_ops,
+	.hw			= &rt61pci_mac80211_ops,
 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
-	.debugfs	= &rt61pci_rt2x00debug,
+	.debugfs		= &rt61pci_rt2x00debug,
 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 };
 
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index 5bbcf6626f7..d13a051b39a 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -2306,19 +2306,19 @@ static const struct data_queue_desc rt73usb_queue_bcn = {
 };
 
 static const struct rt2x00_ops rt73usb_ops = {
-	.name		= KBUILD_MODNAME,
-	.max_sta_intf	= 1,
-	.max_ap_intf	= 4,
-	.eeprom_size	= EEPROM_SIZE,
-	.rf_size	= RF_SIZE,
-	.tx_queues	= NUM_TX_QUEUES,
-	.rx		= &rt73usb_queue_rx,
-	.tx		= &rt73usb_queue_tx,
-	.bcn		= &rt73usb_queue_bcn,
-	.lib		= &rt73usb_rt2x00_ops,
-	.hw		= &rt73usb_mac80211_ops,
+	.name			= KBUILD_MODNAME,
+	.max_sta_intf		= 1,
+	.max_ap_intf		= 4,
+	.eeprom_size		= EEPROM_SIZE,
+	.rf_size		= RF_SIZE,
+	.tx_queues		= NUM_TX_QUEUES,
+	.rx			= &rt73usb_queue_rx,
+	.tx			= &rt73usb_queue_tx,
+	.bcn			= &rt73usb_queue_bcn,
+	.lib			= &rt73usb_rt2x00_ops,
+	.hw			= &rt73usb_mac80211_ops,
 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
-	.debugfs	= &rt73usb_rt2x00debug,
+	.debugfs		= &rt73usb_rt2x00debug,
 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 };
 
-- 
GitLab


From e6218cc47bd54710dc523e8c983ceddba625e3ae Mon Sep 17 00:00:00 2001
From: Gertjan van Wingerde <gwingerde@gmail.com>
Date: Mon, 23 Nov 2009 22:44:52 +0100
Subject: [PATCH 1574/1815] rt2x00: Centralize setting of extra TX headroom
 requested by rt2x00.

Set the value of extra_tx_headroom in a central place, rather than in each
of the drivers. This is preparatory for taking alignment space into account
in the TX headroom requested by rt2x00.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2400pci.c | 2 +-
 drivers/net/wireless/rt2x00/rt2500pci.c | 3 +--
 drivers/net/wireless/rt2x00/rt2500usb.c | 3 +--
 drivers/net/wireless/rt2x00/rt2800lib.c | 6 ------
 drivers/net/wireless/rt2x00/rt2800pci.c | 7 ++++---
 drivers/net/wireless/rt2x00/rt2800usb.c | 1 +
 drivers/net/wireless/rt2x00/rt2x00.h    | 1 +
 drivers/net/wireless/rt2x00/rt2x00dev.c | 5 +++++
 drivers/net/wireless/rt2x00/rt61pci.c   | 2 +-
 drivers/net/wireless/rt2x00/rt73usb.c   | 2 +-
 10 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c
index 7f900be39e5..e7f46405a41 100644
--- a/drivers/net/wireless/rt2x00/rt2400pci.c
+++ b/drivers/net/wireless/rt2x00/rt2400pci.c
@@ -1432,7 +1432,6 @@ static int rt2400pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 			       IEEE80211_HW_SIGNAL_DBM |
 			       IEEE80211_HW_SUPPORTS_PS |
 			       IEEE80211_HW_PS_NULLFUNC_STACK;
-	rt2x00dev->hw->extra_tx_headroom = 0;
 
 	SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
 	SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
@@ -1629,6 +1628,7 @@ static const struct rt2x00_ops rt2400pci_ops = {
 	.eeprom_size		= EEPROM_SIZE,
 	.rf_size		= RF_SIZE,
 	.tx_queues		= NUM_TX_QUEUES,
+	.extra_tx_headroom	= 0,
 	.rx			= &rt2400pci_queue_rx,
 	.tx			= &rt2400pci_queue_tx,
 	.bcn			= &rt2400pci_queue_bcn,
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c
index 30960fd8a44..408fcfc120f 100644
--- a/drivers/net/wireless/rt2x00/rt2500pci.c
+++ b/drivers/net/wireless/rt2x00/rt2500pci.c
@@ -1733,8 +1733,6 @@ static int rt2500pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 			       IEEE80211_HW_SUPPORTS_PS |
 			       IEEE80211_HW_PS_NULLFUNC_STACK;
 
-	rt2x00dev->hw->extra_tx_headroom = 0;
-
 	SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
 	SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
 				rt2x00_eeprom_addr(rt2x00dev,
@@ -1928,6 +1926,7 @@ static const struct rt2x00_ops rt2500pci_ops = {
 	.eeprom_size		= EEPROM_SIZE,
 	.rf_size		= RF_SIZE,
 	.tx_queues		= NUM_TX_QUEUES,
+	.extra_tx_headroom	= 0,
 	.rx			= &rt2500pci_queue_rx,
 	.tx			= &rt2500pci_queue_tx,
 	.bcn			= &rt2500pci_queue_bcn,
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index 02290f68113..83f2592c59d 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -1656,8 +1656,6 @@ static int rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 	    IEEE80211_HW_SUPPORTS_PS |
 	    IEEE80211_HW_PS_NULLFUNC_STACK;
 
-	rt2x00dev->hw->extra_tx_headroom = TXD_DESC_SIZE;
-
 	SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
 	SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
 				rt2x00_eeprom_addr(rt2x00dev,
@@ -1829,6 +1827,7 @@ static const struct rt2x00_ops rt2500usb_ops = {
 	.eeprom_size		= EEPROM_SIZE,
 	.rf_size		= RF_SIZE,
 	.tx_queues		= NUM_TX_QUEUES,
+	.extra_tx_headroom	= TXD_DESC_SIZE,
 	.rx			= &rt2500usb_queue_rx,
 	.tx			= &rt2500usb_queue_tx,
 	.bcn			= &rt2500usb_queue_bcn,
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 02ffcf54bf0..eb1e1d00bec 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -2030,12 +2030,6 @@ int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 	    IEEE80211_HW_SUPPORTS_PS |
 	    IEEE80211_HW_PS_NULLFUNC_STACK;
 
-	if (rt2x00_intf_is_usb(rt2x00dev))
-		rt2x00dev->hw->extra_tx_headroom =
-			TXINFO_DESC_SIZE + TXWI_DESC_SIZE;
-	else if (rt2x00_intf_is_pci(rt2x00dev))
-		rt2x00dev->hw->extra_tx_headroom = TXWI_DESC_SIZE;
-
 	SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
 	SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
 				rt2x00_eeprom_addr(rt2x00dev,
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 029a45f0cb9..dfc886fcb44 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -652,7 +652,7 @@ static void rt2800pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 {
 	struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
 	__le32 *txd = skbdesc->desc;
-	__le32 *txwi = (__le32 *)(skb->data - rt2x00dev->hw->extra_tx_headroom);
+	__le32 *txwi = (__le32 *)(skb->data - rt2x00dev->ops->extra_tx_headroom);
 	u32 word;
 
 	/*
@@ -725,14 +725,14 @@ static void rt2800pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&word, TXD_W1_BURST,
 			   test_bit(ENTRY_TXD_BURST, &txdesc->flags));
 	rt2x00_set_field32(&word, TXD_W1_SD_LEN0,
-			   rt2x00dev->hw->extra_tx_headroom);
+			   rt2x00dev->ops->extra_tx_headroom);
 	rt2x00_set_field32(&word, TXD_W1_LAST_SEC0, 0);
 	rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 0);
 	rt2x00_desc_write(txd, 1, word);
 
 	rt2x00_desc_read(txd, 2, &word);
 	rt2x00_set_field32(&word, TXD_W2_SD_PTR1,
-			   skbdesc->skb_dma + rt2x00dev->hw->extra_tx_headroom);
+			   skbdesc->skb_dma + rt2x00dev->ops->extra_tx_headroom);
 	rt2x00_desc_write(txd, 2, word);
 
 	rt2x00_desc_read(txd, 3, &word);
@@ -1207,6 +1207,7 @@ static const struct rt2x00_ops rt2800pci_ops = {
 	.eeprom_size		= EEPROM_SIZE,
 	.rf_size		= RF_SIZE,
 	.tx_queues		= NUM_TX_QUEUES,
+	.extra_tx_headroom	= TXWI_DESC_SIZE,
 	.rx			= &rt2800pci_queue_rx,
 	.tx			= &rt2800pci_queue_tx,
 	.bcn			= &rt2800pci_queue_bcn,
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 208316af6d9..af85d18cdbe 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -796,6 +796,7 @@ static const struct rt2x00_ops rt2800usb_ops = {
 	.eeprom_size		= EEPROM_SIZE,
 	.rf_size		= RF_SIZE,
 	.tx_queues		= NUM_TX_QUEUES,
+	.extra_tx_headroom	= TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
 	.rx			= &rt2800usb_queue_rx,
 	.tx			= &rt2800usb_queue_tx,
 	.bcn			= &rt2800usb_queue_bcn,
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index 1cbb7ac2f32..4d841c07c97 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -588,6 +588,7 @@ struct rt2x00_ops {
 	const unsigned int eeprom_size;
 	const unsigned int rf_size;
 	const unsigned int tx_queues;
+	const unsigned int extra_tx_headroom;
 	const struct data_queue_desc *rx;
 	const struct data_queue_desc *tx;
 	const struct data_queue_desc *bcn;
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 4a4b7e42fe6..06c43ca39bf 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -683,6 +683,11 @@ static int rt2x00lib_probe_hw(struct rt2x00_dev *rt2x00dev)
 	 */
 	rt2x00dev->hw->queues = rt2x00dev->ops->tx_queues;
 
+	/*
+	 * Initialize extra TX headroom required.
+	 */
+	rt2x00dev->hw->extra_tx_headroom = rt2x00dev->ops->extra_tx_headroom;
+
 	/*
 	 * Register HW.
 	 */
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index 4cb9afeed9d..687e17dc2e9 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -2546,7 +2546,6 @@ static int rt61pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 	    IEEE80211_HW_SIGNAL_DBM |
 	    IEEE80211_HW_SUPPORTS_PS |
 	    IEEE80211_HW_PS_NULLFUNC_STACK;
-	rt2x00dev->hw->extra_tx_headroom = 0;
 
 	SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
 	SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
@@ -2794,6 +2793,7 @@ static const struct rt2x00_ops rt61pci_ops = {
 	.eeprom_size		= EEPROM_SIZE,
 	.rf_size		= RF_SIZE,
 	.tx_queues		= NUM_TX_QUEUES,
+	.extra_tx_headroom	= 0,
 	.rx			= &rt61pci_queue_rx,
 	.tx			= &rt61pci_queue_tx,
 	.bcn			= &rt61pci_queue_bcn,
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index d13a051b39a..ced3b6ab5e1 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -2069,7 +2069,6 @@ static int rt73usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 	    IEEE80211_HW_SIGNAL_DBM |
 	    IEEE80211_HW_SUPPORTS_PS |
 	    IEEE80211_HW_PS_NULLFUNC_STACK;
-	rt2x00dev->hw->extra_tx_headroom = TXD_DESC_SIZE;
 
 	SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
 	SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
@@ -2312,6 +2311,7 @@ static const struct rt2x00_ops rt73usb_ops = {
 	.eeprom_size		= EEPROM_SIZE,
 	.rf_size		= RF_SIZE,
 	.tx_queues		= NUM_TX_QUEUES,
+	.extra_tx_headroom	= TXD_DESC_SIZE,
 	.rx			= &rt73usb_queue_rx,
 	.tx			= &rt73usb_queue_tx,
 	.bcn			= &rt73usb_queue_bcn,
-- 
GitLab


From f6cd53c6a4204a3d4a274546449a70a766a99b6e Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Tue, 24 Nov 2009 11:33:26 +0800
Subject: [PATCH 1575/1815] MAINTAINERS: Add iwmc3200wifi entry

Update MAINTAINERS with the Intel supported iwmc3200wifi entry.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 MAINTAINERS | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index 808e4dfb34b..5531e6fd10d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2788,6 +2788,15 @@ T:	git git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-2.6.git
 S:	Supported
 F:	drivers/net/wireless/iwlwifi/
 
+INTEL WIRELESS MULTICOMM 3200 WIFI (iwmc3200wifi)
+M:	Samuel Ortiz <samuel.ortiz@intel.com>
+M:	Zhu Yi <yi.zhu@intel.com>
+M:	Intel Linux Wireless <ilw@linux.intel.com>
+L:	linux-wireless@vger.kernel.org
+S:	Supported
+W:	http://wireless.kernel.org/en/users/Drivers/iwmc3200wifi
+F:	drivers/net/wireless/iwmc3200wifi/
+
 IOC3 ETHERNET DRIVER
 M:	Ralf Baechle <ralf@linux-mips.org>
 L:	linux-mips@linux-mips.org
-- 
GitLab


From 902b6667d3d17ac53ec62c036cd2bcf713c29d86 Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Tue, 24 Nov 2009 11:33:27 +0800
Subject: [PATCH 1576/1815] iwmc3200wifi: Parse HT channels EEPROM entries

The fat channels eeprom entries let us know if 11n is enabled or not. We
update our wiphy supported bands based on that.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwmc3200wifi/eeprom.c | 30 ++++++++++++++++++++++
 drivers/net/wireless/iwmc3200wifi/eeprom.h | 28 ++++++++++++++------
 drivers/net/wireless/iwmc3200wifi/main.c   |  6 +++++
 3 files changed, 56 insertions(+), 8 deletions(-)

diff --git a/drivers/net/wireless/iwmc3200wifi/eeprom.c b/drivers/net/wireless/iwmc3200wifi/eeprom.c
index 365910fbe01..c574f58dfb2 100644
--- a/drivers/net/wireless/iwmc3200wifi/eeprom.c
+++ b/drivers/net/wireless/iwmc3200wifi/eeprom.c
@@ -66,6 +66,10 @@ static struct iwm_eeprom_entry eeprom_map[] = {
 	[IWM_EEPROM_SKU_CAP] =
 	{"SKU capabilities", IWM_EEPROM_SKU_CAP_OFF, IWM_EEPROM_SKU_CAP_LEN},
 
+	[IWM_EEPROM_FAT_CHANNELS_CAP] =
+	{"HT channels capabilities", IWM_EEPROM_FAT_CHANNELS_CAP_OFF,
+	 IWM_EEPROM_FAT_CHANNELS_CAP_LEN},
+
 	[IWM_EEPROM_CALIB_RXIQ_OFFSET] =
 	{"RX IQ offset", IWM_EEPROM_CALIB_RXIQ_OFF, IWM_EEPROM_INDIRECT_LEN},
 
@@ -146,6 +150,32 @@ u8 *iwm_eeprom_access(struct iwm_priv *iwm, u8 eeprom_id)
 	return iwm->eeprom + eeprom_map[eeprom_id].offset;
 }
 
+int iwm_eeprom_fat_channels(struct iwm_priv *iwm)
+{
+	struct wiphy *wiphy = iwm_to_wiphy(iwm);
+	struct ieee80211_supported_band *band;
+	u16 *channels, i;
+
+	channels = (u16 *)iwm_eeprom_access(iwm, IWM_EEPROM_FAT_CHANNELS_CAP);
+	if (IS_ERR(channels))
+		return PTR_ERR(channels);
+
+	band = wiphy->bands[IEEE80211_BAND_2GHZ];
+	band->ht_cap.ht_supported = true;
+
+	for (i = 0; i < IWM_EEPROM_FAT_CHANNELS_24; i++)
+		if (!(channels[i] & IWM_EEPROM_FAT_CHANNEL_ENABLED))
+			band->ht_cap.ht_supported = false;
+
+	band = wiphy->bands[IEEE80211_BAND_5GHZ];
+	band->ht_cap.ht_supported = true;
+	for (i = IWM_EEPROM_FAT_CHANNELS_24; i < IWM_EEPROM_FAT_CHANNELS; i++)
+		if (!(channels[i] & IWM_EEPROM_FAT_CHANNEL_ENABLED))
+			band->ht_cap.ht_supported = false;
+
+	return 0;
+}
+
 int iwm_eeprom_init(struct iwm_priv *iwm)
 {
 	int i, ret = 0;
diff --git a/drivers/net/wireless/iwmc3200wifi/eeprom.h b/drivers/net/wireless/iwmc3200wifi/eeprom.h
index cdb31a6a1f5..0f7f226916c 100644
--- a/drivers/net/wireless/iwmc3200wifi/eeprom.h
+++ b/drivers/net/wireless/iwmc3200wifi/eeprom.h
@@ -48,6 +48,7 @@ enum {
 	IWM_EEPROM_CARD_ID,
 	IWM_EEPROM_RADIO_CONF,
 	IWM_EEPROM_SKU_CAP,
+	IWM_EEPROM_FAT_CHANNELS_CAP,
 
 	IWM_EEPROM_INDIRECT_OFFSET,
 	IWM_EEPROM_CALIB_RXIQ_OFFSET = IWM_EEPROM_INDIRECT_OFFSET,
@@ -58,14 +59,15 @@ enum {
 	IWM_EEPROM_LAST,
 };
 
-#define IWM_EEPROM_SIG_OFF             0x00
-#define IWM_EEPROM_VERSION_OFF        (0x54 << 1)
-#define IWM_EEPROM_OEM_HW_VERSION_OFF (0x56 << 1)
-#define IWM_EEPROM_MAC_VERSION_OFF    (0x30 << 1)
-#define IWM_EEPROM_CARD_ID_OFF        (0x5d << 1)
-#define IWM_EEPROM_RADIO_CONF_OFF     (0x58 << 1)
-#define IWM_EEPROM_SKU_CAP_OFF        (0x55 << 1)
-#define IWM_EEPROM_CALIB_CONFIG_OFF   (0x7c << 1)
+#define IWM_EEPROM_SIG_OFF                 0x00
+#define IWM_EEPROM_VERSION_OFF            (0x54 << 1)
+#define IWM_EEPROM_OEM_HW_VERSION_OFF     (0x56 << 1)
+#define IWM_EEPROM_MAC_VERSION_OFF        (0x30 << 1)
+#define IWM_EEPROM_CARD_ID_OFF            (0x5d << 1)
+#define IWM_EEPROM_RADIO_CONF_OFF         (0x58 << 1)
+#define IWM_EEPROM_SKU_CAP_OFF            (0x55 << 1)
+#define IWM_EEPROM_CALIB_CONFIG_OFF       (0x7c << 1)
+#define IWM_EEPROM_FAT_CHANNELS_CAP_OFF   (0xde << 1)
 
 #define IWM_EEPROM_SIG_LEN              4
 #define IWM_EEPROM_VERSION_LEN          2
@@ -74,6 +76,7 @@ enum {
 #define IWM_EEPROM_CARD_ID_LEN          2
 #define IWM_EEPROM_RADIO_CONF_LEN       2
 #define IWM_EEPROM_SKU_CAP_LEN          2
+#define IWM_EEPROM_FAT_CHANNELS_CAP_LEN 40
 #define IWM_EEPROM_INDIRECT_LEN		2
 
 #define IWM_MAX_EEPROM_DATA_LEN         240
@@ -87,6 +90,14 @@ enum {
 #define IWM_EEPROM_SKU_CAP_BAND_52GHZ           (1 << 5)
 #define IWM_EEPROM_SKU_CAP_11N_ENABLE           (1 << 6)
 
+#define IWM_EEPROM_FAT_CHANNELS 20
+/* 2.4 gHz FAT primary channels: 1, 2, 3, 4, 5, 6, 7, 8, 9 */
+#define IWM_EEPROM_FAT_CHANNELS_24 9
+/* 5.2 gHz FAT primary channels: 36,44,52,60,100,108,116,124,132,149,157 */
+#define IWM_EEPROM_FAT_CHANNELS_52 11
+
+#define IWM_EEPROM_FAT_CHANNEL_ENABLED (1 << 0)
+
 enum {
 	IWM_EEPROM_CALIB_CAL_HDR,
 	IWM_EEPROM_CALIB_TX_POWER,
@@ -110,5 +121,6 @@ struct iwm_eeprom_entry {
 int iwm_eeprom_init(struct iwm_priv *iwm);
 void iwm_eeprom_exit(struct iwm_priv *iwm);
 u8 *iwm_eeprom_access(struct iwm_priv *iwm, u8 eeprom_id);
+int iwm_eeprom_fat_channels(struct iwm_priv *iwm);
 
 #endif
diff --git a/drivers/net/wireless/iwmc3200wifi/main.c b/drivers/net/wireless/iwmc3200wifi/main.c
index 75f105a5954..365f3fc37d2 100644
--- a/drivers/net/wireless/iwmc3200wifi/main.c
+++ b/drivers/net/wireless/iwmc3200wifi/main.c
@@ -691,6 +691,12 @@ static int __iwm_up(struct iwm_priv *iwm)
 		goto err_disable;
 	}
 
+	ret = iwm_eeprom_fat_channels(iwm);
+	if (ret) {
+		IWM_ERR(iwm, "Couldnt read HT channels EEPROM entries\n");
+		goto err_fw;
+	}
+
 	snprintf(wiphy->fw_version, sizeof(wiphy->fw_version), "L%s_U%s",
 		 iwm->lmac_version, iwm->umac_version);
 
-- 
GitLab


From fe19176ea46db572f0dc2df8bfe1dc5d8751ab9e Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Tue, 24 Nov 2009 11:33:28 +0800
Subject: [PATCH 1577/1815] iwmc3200wifi: Dont set the UMAC power limit when
 interface is down

When we're down, we shouldnt try to set the UMAC power limit. We just return 0
instead, and cfg80211 toggles the soft rfkill state.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwmc3200wifi/cfg80211.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/wireless/iwmc3200wifi/cfg80211.c b/drivers/net/wireless/iwmc3200wifi/cfg80211.c
index 2e00a4b389e..7cfc2c0a1fb 100644
--- a/drivers/net/wireless/iwmc3200wifi/cfg80211.c
+++ b/drivers/net/wireless/iwmc3200wifi/cfg80211.c
@@ -678,6 +678,9 @@ static int iwm_cfg80211_set_txpower(struct wiphy *wiphy,
 	case TX_POWER_AUTOMATIC:
 		return 0;
 	case TX_POWER_FIXED:
+		if (!test_bit(IWM_STATUS_READY, &iwm->status))
+			return 0;
+
 		ret = iwm_umac_set_config_fix(iwm, UMAC_PARAM_TBL_CFG_FIX,
 					      CFG_TX_PWR_LIMIT_USR, dbm * 2);
 		if (ret < 0)
@@ -685,6 +688,7 @@ static int iwm_cfg80211_set_txpower(struct wiphy *wiphy,
 
 		return iwm_tx_power_trigger(iwm);
 	default:
+		IWM_ERR(iwm, "Unsupported power type: %d\n", type);
 		return -EOPNOTSUPP;
 	}
 
-- 
GitLab


From 0bed08de91c41b21447d704995a438d4536586ba Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Tue, 24 Nov 2009 11:33:29 +0800
Subject: [PATCH 1578/1815] iwmc3200wifi: Update wireless_mode with eeprom
 values

The iwmc3200wifi eeprom contains information about the available PHYs on
the chip. We should update our wireless_mode setting and profile according
to it.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwmc3200wifi/eeprom.c | 20 ++++++++++++++++++++
 drivers/net/wireless/iwmc3200wifi/eeprom.h |  1 +
 drivers/net/wireless/iwmc3200wifi/main.c   | 19 ++++++++++++++++++-
 3 files changed, 39 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwmc3200wifi/eeprom.c b/drivers/net/wireless/iwmc3200wifi/eeprom.c
index c574f58dfb2..8091421ee5e 100644
--- a/drivers/net/wireless/iwmc3200wifi/eeprom.c
+++ b/drivers/net/wireless/iwmc3200wifi/eeprom.c
@@ -176,6 +176,26 @@ int iwm_eeprom_fat_channels(struct iwm_priv *iwm)
 	return 0;
 }
 
+u32 iwm_eeprom_wireless_mode(struct iwm_priv *iwm)
+{
+	u16 sku_cap;
+	u32 wireless_mode = 0;
+
+	sku_cap = *((u16 *)iwm_eeprom_access(iwm, IWM_EEPROM_SKU_CAP));
+
+	if (sku_cap & IWM_EEPROM_SKU_CAP_BAND_24GHZ)
+		wireless_mode |= WIRELESS_MODE_11G;
+
+	if (sku_cap & IWM_EEPROM_SKU_CAP_BAND_52GHZ)
+		wireless_mode |= WIRELESS_MODE_11A;
+
+	if (sku_cap & IWM_EEPROM_SKU_CAP_11N_ENABLE)
+		wireless_mode |= WIRELESS_MODE_11N;
+
+	return wireless_mode;
+}
+
+
 int iwm_eeprom_init(struct iwm_priv *iwm)
 {
 	int i, ret = 0;
diff --git a/drivers/net/wireless/iwmc3200wifi/eeprom.h b/drivers/net/wireless/iwmc3200wifi/eeprom.h
index 0f7f226916c..4e3a3fdab0d 100644
--- a/drivers/net/wireless/iwmc3200wifi/eeprom.h
+++ b/drivers/net/wireless/iwmc3200wifi/eeprom.h
@@ -122,5 +122,6 @@ int iwm_eeprom_init(struct iwm_priv *iwm);
 void iwm_eeprom_exit(struct iwm_priv *iwm);
 u8 *iwm_eeprom_access(struct iwm_priv *iwm, u8 eeprom_id);
 int iwm_eeprom_fat_channels(struct iwm_priv *iwm);
+u32 iwm_eeprom_wireless_mode(struct iwm_priv *iwm);
 
 #endif
diff --git a/drivers/net/wireless/iwmc3200wifi/main.c b/drivers/net/wireless/iwmc3200wifi/main.c
index 365f3fc37d2..e61265af92c 100644
--- a/drivers/net/wireless/iwmc3200wifi/main.c
+++ b/drivers/net/wireless/iwmc3200wifi/main.c
@@ -80,7 +80,8 @@ static struct iwm_conf def_iwm_conf = {
 
 	.assoc_timeout		= 2,
 	.roam_timeout		= 10,
-	.wireless_mode		= WIRELESS_MODE_11A | WIRELESS_MODE_11G,
+	.wireless_mode		= WIRELESS_MODE_11A | WIRELESS_MODE_11G |
+				  WIRELESS_MODE_11N,
 	.coexist_mode		= COEX_MODE_CM,
 
 	/* IBSS */
@@ -630,6 +631,7 @@ static int __iwm_up(struct iwm_priv *iwm)
 	int ret;
 	struct iwm_notif *notif_reboot, *notif_ack = NULL;
 	struct wiphy *wiphy = iwm_to_wiphy(iwm);
+	u32 wireless_mode;
 
 	ret = iwm_bus_enable(iwm);
 	if (ret) {
@@ -697,6 +699,21 @@ static int __iwm_up(struct iwm_priv *iwm)
 		goto err_fw;
 	}
 
+	/*
+	 * Read our SKU capabilities.
+	 * If it's valid, we overwrite the wireless mode conf entry and the
+	 * current profile one.
+	 */
+	wireless_mode = iwm_eeprom_wireless_mode(iwm);
+	if (wireless_mode) {
+		iwm->conf.wireless_mode = wireless_mode;
+		if (iwm->umac_profile)
+			iwm->umac_profile->wireless_mode =
+					iwm->conf.wireless_mode;
+	} else
+		IWM_ERR(iwm, "Wrong SKU capabilities: 0x%x\n",
+			*((u16 *)iwm_eeprom_access(iwm, IWM_EEPROM_SKU_CAP)));
+
 	snprintf(wiphy->fw_version, sizeof(wiphy->fw_version), "L%s_U%s",
 		 iwm->lmac_version, iwm->umac_version);
 
-- 
GitLab


From 2351178c52fedf1846c84b35418f4102487ec00e Mon Sep 17 00:00:00 2001
From: Zhu Yi <yi.zhu@intel.com>
Date: Tue, 24 Nov 2009 11:33:30 +0800
Subject: [PATCH 1579/1815] iwmc3200wifi: Set wireless mode correctly

Set the wireless mode with regard to both the driver's configuration
and the device's EEPROM result.

Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwmc3200wifi/main.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/iwmc3200wifi/main.c b/drivers/net/wireless/iwmc3200wifi/main.c
index e61265af92c..92e4eaf32ff 100644
--- a/drivers/net/wireless/iwmc3200wifi/main.c
+++ b/drivers/net/wireless/iwmc3200wifi/main.c
@@ -701,12 +701,12 @@ static int __iwm_up(struct iwm_priv *iwm)
 
 	/*
 	 * Read our SKU capabilities.
-	 * If it's valid, we overwrite the wireless mode conf entry and the
-	 * current profile one.
+	 * If it's valid, we AND the configured wireless mode with the
+	 * device EEPROM value as the current profile wireless mode.
 	 */
 	wireless_mode = iwm_eeprom_wireless_mode(iwm);
 	if (wireless_mode) {
-		iwm->conf.wireless_mode = wireless_mode;
+		iwm->conf.wireless_mode &= wireless_mode;
 		if (iwm->umac_profile)
 			iwm->umac_profile->wireless_mode =
 					iwm->conf.wireless_mode;
-- 
GitLab


From a7af530d45969a63e20708417b70c547596ce3a9 Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Tue, 24 Nov 2009 11:33:31 +0800
Subject: [PATCH 1580/1815] iwmc3200wifi: 802.11n Tx aggregation support

To support 802.11n Tx aggregation support with iwmc3200 wifi, we have to
handle the UMAC_CMD_OPCODE_STOP_RESUME_STA_TX notification from the UMAC.
Before sending an AddBA, the UMAC synchronizes with the host in order to
know what is the last Tx frame it's supposed to receive before it will be
able to start the actual aggregation session.
We thus have to keep track of the last sequence number that is scheduled
for transmission on a particular RAxTID, send an answer to the UMAC with
this sequence number. The UMAC then does the BA negociation and once it's
done with it sends a new UMAC_CMD_OPCODE_STOP_RESUME_STA_TX notification
to let us know that we can resume the Tx flow on the specified RAxTID.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Reviewed-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwmc3200wifi/commands.c | 31 +++++++++
 drivers/net/wireless/iwmc3200wifi/commands.h | 10 +++
 drivers/net/wireless/iwmc3200wifi/iwm.h      | 10 +++
 drivers/net/wireless/iwmc3200wifi/main.c     | 11 +++-
 drivers/net/wireless/iwmc3200wifi/netdev.c   |  8 +++
 drivers/net/wireless/iwmc3200wifi/rx.c       | 66 ++++++++++++++++++++
 drivers/net/wireless/iwmc3200wifi/tx.c       | 57 ++++++++++++++---
 drivers/net/wireless/iwmc3200wifi/umac.h     | 34 +++++++++-
 8 files changed, 217 insertions(+), 10 deletions(-)

diff --git a/drivers/net/wireless/iwmc3200wifi/commands.c b/drivers/net/wireless/iwmc3200wifi/commands.c
index 7e12438551b..46ca7c58f5a 100644
--- a/drivers/net/wireless/iwmc3200wifi/commands.c
+++ b/drivers/net/wireless/iwmc3200wifi/commands.c
@@ -929,3 +929,34 @@ int iwm_target_reset(struct iwm_priv *iwm)
 
 	return iwm_hal_send_target_cmd(iwm, &target_cmd, NULL);
 }
+
+int iwm_send_umac_stop_resume_tx(struct iwm_priv *iwm,
+				 struct iwm_umac_notif_stop_resume_tx *ntf)
+{
+	struct iwm_udma_wifi_cmd udma_cmd = UDMA_UMAC_INIT;
+	struct iwm_umac_cmd umac_cmd;
+	struct iwm_umac_cmd_stop_resume_tx stp_res_cmd;
+	struct iwm_sta_info *sta_info;
+	u8 sta_id = STA_ID_N_COLOR_ID(ntf->sta_id);
+	int i;
+
+	sta_info = &iwm->sta_table[sta_id];
+	if (!sta_info->valid) {
+		IWM_ERR(iwm, "Invalid STA: %d\n", sta_id);
+		return -EINVAL;
+	}
+
+	umac_cmd.id = UMAC_CMD_OPCODE_STOP_RESUME_STA_TX;
+	umac_cmd.resp = 0;
+
+	stp_res_cmd.flags = ntf->flags;
+	stp_res_cmd.sta_id = ntf->sta_id;
+	stp_res_cmd.stop_resume_tid_msk = ntf->stop_resume_tid_msk;
+	for (i = 0; i < IWM_UMAC_TID_NR; i++)
+		stp_res_cmd.last_seq_num[i] =
+			sta_info->tid_info[i].last_seq_num;
+
+	return iwm_hal_send_umac_cmd(iwm, &udma_cmd, &umac_cmd, &stp_res_cmd,
+				 sizeof(struct iwm_umac_cmd_stop_resume_tx));
+
+}
diff --git a/drivers/net/wireless/iwmc3200wifi/commands.h b/drivers/net/wireless/iwmc3200wifi/commands.h
index b36be2b23a3..95cdf941b22 100644
--- a/drivers/net/wireless/iwmc3200wifi/commands.h
+++ b/drivers/net/wireless/iwmc3200wifi/commands.h
@@ -450,6 +450,14 @@ struct iwm_umac_cmd_stats_req {
 	__le32 flags;
 } __attribute__ ((packed));
 
+struct iwm_umac_cmd_stop_resume_tx {
+	u8 flags;
+	u8 sta_id;
+	__le16 stop_resume_tid_msk;
+	__le16 last_seq_num[IWM_UMAC_TID_NR];
+	u16 reserved;
+} __attribute__ ((packed));
+
 /* LMAC commands */
 int iwm_read_mac(struct iwm_priv *iwm, u8 *mac);
 int iwm_send_prio_table(struct iwm_priv *iwm);
@@ -478,6 +486,8 @@ int iwm_send_umac_channel_list(struct iwm_priv *iwm);
 int iwm_scan_ssids(struct iwm_priv *iwm, struct cfg80211_ssid *ssids,
 		   int ssid_num);
 int iwm_scan_one_ssid(struct iwm_priv *iwm, u8 *ssid, int ssid_len);
+int iwm_send_umac_stop_resume_tx(struct iwm_priv *iwm,
+				 struct iwm_umac_notif_stop_resume_tx *ntf);
 
 /* UDMA commands */
 int iwm_target_reset(struct iwm_priv *iwm);
diff --git a/drivers/net/wireless/iwmc3200wifi/iwm.h b/drivers/net/wireless/iwmc3200wifi/iwm.h
index a9bf6bc97be..8d091f918f3 100644
--- a/drivers/net/wireless/iwmc3200wifi/iwm.h
+++ b/drivers/net/wireless/iwmc3200wifi/iwm.h
@@ -131,11 +131,18 @@ struct iwm_notif {
 	unsigned long buf_size;
 };
 
+struct iwm_tid_info {
+	__le16 last_seq_num;
+	bool stopped;
+	struct mutex mutex;
+};
+
 struct iwm_sta_info {
 	u8 addr[ETH_ALEN];
 	bool valid;
 	bool qos;
 	u8 color;
+	struct iwm_tid_info tid_info[IWM_UMAC_TID_NR];
 };
 
 struct iwm_tx_info {
@@ -185,6 +192,8 @@ struct iwm_key {
 struct iwm_tx_queue {
 	int id;
 	struct sk_buff_head queue;
+	struct sk_buff_head stopped_queue;
+	spinlock_t lock;
 	struct workqueue_struct *wq;
 	struct work_struct worker;
 	u8 concat_buf[IWM_HAL_CONCATENATE_BUF_SIZE];
@@ -341,6 +350,7 @@ int iwm_up(struct iwm_priv *iwm);
 int iwm_down(struct iwm_priv *iwm);
 
 /* TX API */
+u16 iwm_tid_to_queue(u16 tid);
 void iwm_tx_credit_inc(struct iwm_priv *iwm, int id, int total_freed_pages);
 void iwm_tx_worker(struct work_struct *work);
 int iwm_xmit_frame(struct sk_buff *skb, struct net_device *netdev);
diff --git a/drivers/net/wireless/iwmc3200wifi/main.c b/drivers/net/wireless/iwmc3200wifi/main.c
index 92e4eaf32ff..087f04355c1 100644
--- a/drivers/net/wireless/iwmc3200wifi/main.c
+++ b/drivers/net/wireless/iwmc3200wifi/main.c
@@ -248,7 +248,7 @@ static void iwm_watchdog(unsigned long data)
 
 int iwm_priv_init(struct iwm_priv *iwm)
 {
-	int i;
+	int i, j;
 	char name[32];
 
 	iwm->status = 0;
@@ -292,6 +292,8 @@ int iwm_priv_init(struct iwm_priv *iwm)
 			return -EAGAIN;
 
 		skb_queue_head_init(&iwm->txq[i].queue);
+		skb_queue_head_init(&iwm->txq[i].stopped_queue);
+		spin_lock_init(&iwm->txq[i].lock);
 	}
 
 	for (i = 0; i < IWM_NUM_KEYS; i++)
@@ -299,6 +301,12 @@ int iwm_priv_init(struct iwm_priv *iwm)
 
 	iwm->default_key = -1;
 
+	for (i = 0; i < IWM_STA_TABLE_NUM; i++)
+		for (j = 0; j < IWM_UMAC_TID_NR; j++) {
+			mutex_init(&iwm->sta_table[i].tid_info[j].mutex);
+			iwm->sta_table[i].tid_info[j].stopped = false;
+		}
+
 	init_timer(&iwm->watchdog);
 	iwm->watchdog.function = iwm_watchdog;
 	iwm->watchdog.data = (unsigned long)iwm;
@@ -572,6 +580,7 @@ void iwm_link_off(struct iwm_priv *iwm)
 
 	for (i = 0; i < IWM_TX_QUEUES; i++) {
 		skb_queue_purge(&iwm->txq[i].queue);
+		skb_queue_purge(&iwm->txq[i].stopped_queue);
 
 		iwm->txq[i].concat_count = 0;
 		iwm->txq[i].concat_ptr = iwm->txq[i].concat_buf;
diff --git a/drivers/net/wireless/iwmc3200wifi/netdev.c b/drivers/net/wireless/iwmc3200wifi/netdev.c
index 4f8dbdd7b91..e4f0f8705f6 100644
--- a/drivers/net/wireless/iwmc3200wifi/netdev.c
+++ b/drivers/net/wireless/iwmc3200wifi/netdev.c
@@ -76,6 +76,14 @@ static int iwm_stop(struct net_device *ndev)
  */
 static const u16 iwm_1d_to_queue[8] = { 1, 0, 0, 1, 2, 2, 3, 3 };
 
+u16 iwm_tid_to_queue(u16 tid)
+{
+	if (tid > IWM_UMAC_TID_NR - 2)
+		return -EINVAL;
+
+	return iwm_1d_to_queue[tid];
+}
+
 static u16 iwm_select_queue(struct net_device *dev, struct sk_buff *skb)
 {
 	skb->priority = cfg80211_classify8021d(skb);
diff --git a/drivers/net/wireless/iwmc3200wifi/rx.c b/drivers/net/wireless/iwmc3200wifi/rx.c
index bdb1d7e7979..72c27a3e552 100644
--- a/drivers/net/wireless/iwmc3200wifi/rx.c
+++ b/drivers/net/wireless/iwmc3200wifi/rx.c
@@ -1087,6 +1087,71 @@ static int iwm_ntf_channel_info_list(struct iwm_priv *iwm, u8 *buf,
 	return 0;
 }
 
+static int iwm_ntf_stop_resume_tx(struct iwm_priv *iwm, u8 *buf,
+				  unsigned long buf_size,
+				  struct iwm_wifi_cmd *cmd)
+{
+	struct iwm_umac_notif_stop_resume_tx *stp_res_tx =
+		(struct iwm_umac_notif_stop_resume_tx *)buf;
+	struct iwm_sta_info *sta_info;
+	struct iwm_tid_info *tid_info;
+	u8 sta_id = STA_ID_N_COLOR_ID(stp_res_tx->sta_id);
+	u16 tid_msk = le16_to_cpu(stp_res_tx->stop_resume_tid_msk);
+	int bit, ret = 0;
+	bool stop = false;
+
+	IWM_DBG_NTF(iwm, DBG, "stop/resume notification:\n"
+		    "\tflags:       0x%x\n"
+		    "\tSTA id:      %d\n"
+		    "\tTID bitmask: 0x%x\n",
+		    stp_res_tx->flags, stp_res_tx->sta_id,
+		    stp_res_tx->stop_resume_tid_msk);
+
+	if (stp_res_tx->flags & UMAC_STOP_TX_FLAG)
+		stop = true;
+
+	sta_info = &iwm->sta_table[sta_id];
+	if (!sta_info->valid) {
+		IWM_ERR(iwm, "Stoping an invalid STA: %d %d\n",
+			sta_id, stp_res_tx->sta_id);
+		return -EINVAL;
+	}
+
+	for_each_bit(bit, (unsigned long *)&tid_msk, IWM_UMAC_TID_NR) {
+		tid_info = &sta_info->tid_info[bit];
+
+		mutex_lock(&tid_info->mutex);
+		tid_info->stopped = stop;
+		mutex_unlock(&tid_info->mutex);
+
+		if (!stop) {
+			struct iwm_tx_queue *txq;
+			u16 queue = iwm_tid_to_queue(bit);
+
+			if (queue < 0)
+				continue;
+
+			txq = &iwm->txq[queue];
+			/*
+			 * If we resume, we have to move our SKBs
+			 * back to the tx queue and queue some work.
+			 */
+			spin_lock_bh(&txq->lock);
+			skb_queue_splice_init(&txq->queue, &txq->stopped_queue);
+			spin_unlock_bh(&txq->lock);
+
+			queue_work(txq->wq, &txq->worker);
+		}
+
+	}
+
+	/* We send an ACK only for the stop case */
+	if (stop)
+		ret = iwm_send_umac_stop_resume_tx(iwm, stp_res_tx);
+
+	return ret;
+}
+
 static int iwm_ntf_wifi_if_wrapper(struct iwm_priv *iwm, u8 *buf,
 				   unsigned long buf_size,
 				   struct iwm_wifi_cmd *cmd)
@@ -1371,6 +1436,7 @@ static const iwm_handler iwm_umac_handlers[] =
 	[UMAC_NOTIFY_OPCODE_STATS]		= iwm_ntf_statistics,
 	[UMAC_CMD_OPCODE_EEPROM_PROXY]		= iwm_ntf_eeprom_proxy,
 	[UMAC_CMD_OPCODE_GET_CHAN_INFO_LIST]	= iwm_ntf_channel_info_list,
+	[UMAC_CMD_OPCODE_STOP_RESUME_STA_TX]	= iwm_ntf_stop_resume_tx,
 	[REPLY_RX_MPDU_CMD]			= iwm_ntf_rx_packet,
 	[UMAC_CMD_OPCODE_WIFI_IF_WRAPPER]	= iwm_ntf_wifi_if_wrapper,
 };
diff --git a/drivers/net/wireless/iwmc3200wifi/tx.c b/drivers/net/wireless/iwmc3200wifi/tx.c
index e3b4f7902da..01cc2101e68 100644
--- a/drivers/net/wireless/iwmc3200wifi/tx.c
+++ b/drivers/net/wireless/iwmc3200wifi/tx.c
@@ -329,7 +329,7 @@ static int iwm_tx_build_packet(struct iwm_priv *iwm, struct sk_buff *skb,
 
 	memcpy(buf + sizeof(*hdr), skb->data, skb->len);
 
-	return 0;
+	return umac_cmd.seq_num;
 }
 
 static int iwm_tx_send_concat_packets(struct iwm_priv *iwm,
@@ -361,9 +361,10 @@ void iwm_tx_worker(struct work_struct *work)
 	struct iwm_priv *iwm;
 	struct iwm_tx_info *tx_info = NULL;
 	struct sk_buff *skb;
-	int cmdlen, ret;
 	struct iwm_tx_queue *txq;
-	int pool_id;
+	struct iwm_sta_info *sta_info;
+	struct iwm_tid_info *tid_info;
+	int cmdlen, ret, pool_id;
 
 	txq = container_of(work, struct iwm_tx_queue, worker);
 	iwm = container_of(txq, struct iwm_priv, txq[txq->id]);
@@ -373,8 +374,40 @@ void iwm_tx_worker(struct work_struct *work)
 	while (!test_bit(pool_id, &iwm->tx_credit.full_pools_map) &&
 	       !skb_queue_empty(&txq->queue)) {
 
+		spin_lock_bh(&txq->lock);
 		skb = skb_dequeue(&txq->queue);
+		spin_unlock_bh(&txq->lock);
+
 		tx_info = skb_to_tx_info(skb);
+		sta_info = &iwm->sta_table[tx_info->sta];
+		if (!sta_info->valid) {
+			IWM_ERR(iwm, "Trying to send a frame to unknown STA\n");
+			kfree_skb(skb);
+			continue;
+		}
+
+		tid_info = &sta_info->tid_info[tx_info->tid];
+
+		mutex_lock(&tid_info->mutex);
+
+		/*
+		 * If the RAxTID is stopped, we queue the skb to the stopped
+		 * queue.
+		 * Whenever we'll get a UMAC notification to resume the tx flow
+		 * for this RAxTID, we'll merge back the stopped queue into the
+		 * regular queue. See iwm_ntf_stop_resume_tx() from rx.c.
+		 */
+		if (tid_info->stopped) {
+			IWM_DBG_TX(iwm, DBG, "%dx%d stopped\n",
+				   tx_info->sta, tx_info->tid);
+			spin_lock_bh(&txq->lock);
+			skb_queue_tail(&txq->stopped_queue, skb);
+			spin_unlock_bh(&txq->lock);
+
+			mutex_unlock(&tid_info->mutex);
+			continue;
+		}
+
 		cmdlen = IWM_UDMA_HDR_LEN + skb->len;
 
 		IWM_DBG_TX(iwm, DBG, "Tx frame on queue %d: skb: 0x%p, sta: "
@@ -393,13 +426,20 @@ void iwm_tx_worker(struct work_struct *work)
 		if (ret) {
 			IWM_DBG_TX(iwm, DBG, "not enough tx_credit for queue "
 				   "%d, Tx worker stopped\n", txq->id);
+			spin_lock_bh(&txq->lock);
 			skb_queue_head(&txq->queue, skb);
+			spin_unlock_bh(&txq->lock);
+
+			mutex_unlock(&tid_info->mutex);
 			break;
 		}
 
 		txq->concat_ptr = txq->concat_buf + txq->concat_count;
-		iwm_tx_build_packet(iwm, skb, pool_id, txq->concat_ptr);
+		tid_info->last_seq_num =
+			iwm_tx_build_packet(iwm, skb, pool_id, txq->concat_ptr);
 		txq->concat_count += ALIGN(cmdlen, 16);
+
+		mutex_unlock(&tid_info->mutex);
 #endif
 		kfree_skb(skb);
 	}
@@ -419,14 +459,14 @@ int iwm_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 	struct iwm_priv *iwm = ndev_to_iwm(netdev);
 	struct net_device *ndev = iwm_to_ndev(iwm);
 	struct wireless_dev *wdev = iwm_to_wdev(iwm);
-	u8 *dst_addr;
 	struct iwm_tx_info *tx_info;
 	struct iwm_tx_queue *txq;
 	struct iwm_sta_info *sta_info;
-	u8 sta_id;
+	u8 *dst_addr, sta_id;
 	u16 queue;
 	int ret;
 
+
 	if (!test_bit(IWM_STATUS_ASSOCIATED, &iwm->status)) {
 		IWM_DBG_TX(iwm, DBG, "LINK: stop netif_all_queues: "
 			   "not associated\n");
@@ -440,7 +480,8 @@ int iwm_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 	txq = &iwm->txq[queue];
 
 	/* No free space for Tx, tx_worker is too slow */
-	if (skb_queue_len(&txq->queue) > IWM_TX_LIST_SIZE) {
+	if ((skb_queue_len(&txq->queue) > IWM_TX_LIST_SIZE) ||
+	    (skb_queue_len(&txq->stopped_queue) > IWM_TX_LIST_SIZE)) {
 		IWM_DBG_TX(iwm, DBG, "LINK: stop netif_subqueue[%d]\n", queue);
 		netif_stop_subqueue(netdev, queue);
 		return NETDEV_TX_BUSY;
@@ -477,7 +518,9 @@ int iwm_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 	else
 		tx_info->tid = IWM_UMAC_MGMT_TID;
 
+	spin_lock_bh(&iwm->txq[queue].lock);
 	skb_queue_tail(&iwm->txq[queue].queue, skb);
+	spin_unlock_bh(&iwm->txq[queue].lock);
 
 	queue_work(iwm->txq[queue].wq, &iwm->txq[queue].worker);
 
diff --git a/drivers/net/wireless/iwmc3200wifi/umac.h b/drivers/net/wireless/iwmc3200wifi/umac.h
index be903543bb4..70094bfe7c9 100644
--- a/drivers/net/wireless/iwmc3200wifi/umac.h
+++ b/drivers/net/wireless/iwmc3200wifi/umac.h
@@ -83,6 +83,20 @@ struct iwm_udma_out_wifi_hdr {
 	((UMAC_HDI_ACT_TBL_IDX_RA_UMAC << UMAC_HDI_ACT_TBL_IDX_RA_POS) |\
 	(UMAC_HDI_ACT_TBL_IDX_TID_LMAC << UMAC_HDI_ACT_TBL_IDX_TID_POS))
 
+/* STA ID and color */
+#define STA_ID_SEED                        (0x0f)
+#define STA_ID_POS                         (0)
+#define STA_ID_MSK                         (STA_ID_SEED << STA_ID_POS)
+
+#define STA_COLOR_SEED                     (0x7)
+#define STA_COLOR_POS                      (4)
+#define STA_COLOR_MSK                      (STA_COLOR_SEED << STA_COLOR_POS)
+
+#define STA_ID_N_COLOR_COLOR(id_n_color) \
+	(((id_n_color) & STA_COLOR_MSK) >> STA_COLOR_POS)
+#define STA_ID_N_COLOR_ID(id_n_color) \
+	(((id_n_color) & STA_ID_MSK) >> STA_ID_POS)
+
 /* iwm_umac_notif_alive.page_grp_state Group number -- bits [3:0] */
 #define UMAC_ALIVE_PAGE_STS_GRP_NUM_POS		0
 #define UMAC_ALIVE_PAGE_STS_GRP_NUM_SEED	0xF
@@ -260,6 +274,9 @@ struct iwm_udma_out_wifi_hdr {
 #define UMAC_CMD_OPCODE_GET_CHAN_INFO_LIST	0x16
 #define UMAC_CMD_OPCODE_SET_PARAM_LIST		0x17
 #define UMAC_CMD_OPCODE_GET_PARAM_LIST		0x18
+#define UMAC_CMD_OPCODE_STOP_RESUME_STA_TX      0x19
+#define UMAC_CMD_OPCODE_TEST_BLOCK_ACK          0x1A
+
 #define UMAC_CMD_OPCODE_BASE_WRAPPER            0xFA
 #define UMAC_CMD_OPCODE_LMAC_WRAPPER            0xFB
 #define UMAC_CMD_OPCODE_HW_TEST_WRAPPER         0xFC
@@ -691,13 +708,13 @@ struct iwm_umac_notif_rx_ticket {
 #define UMAC_PHY_NUM_CHAINS     3
 
 #define IWM_UMAC_MGMT_TID	8
-#define IWM_UMAC_TID_NR		8
+#define IWM_UMAC_TID_NR		9 /* 8 TIDs + MGMT */
 
 struct iwm_umac_notif_stats {
 	struct iwm_umac_wifi_in_hdr hdr;
 	__le32 flags;
 	__le32 timestamp;
-	__le16 tid_load[IWM_UMAC_TID_NR + 2]; /* 1 non-QoS + 1 dword align */
+	__le16 tid_load[IWM_UMAC_TID_NR + 1]; /* 1 non-QoS + 1 dword align */
 	__le16 tx_rate[UMAC_NTF_RATE_SAMPLE_NR];
 	__le16 rx_rate[UMAC_NTF_RATE_SAMPLE_NR];
 	__le32 chain_energy[UMAC_PHY_NUM_CHAINS];
@@ -742,6 +759,19 @@ struct iwm_umac_notif_stats {
 	__le32 roam_ap_loadblance;
 } __attribute__ ((packed));
 
+#define UMAC_STOP_TX_FLAG    0x1
+#define UMAC_RESUME_TX_FLAG  0x2
+
+#define LAST_SEQ_NUM_INVALID     0xFFFF
+
+struct iwm_umac_notif_stop_resume_tx {
+	struct iwm_umac_wifi_in_hdr hdr;
+	u8 flags; /* UMAC_*_TX_FLAG_* */
+	u8 sta_id;
+	__le16 stop_resume_tid_msk; /* tid bitmask */
+} __attribute__ ((packed));
+
+
 /* WiFi interface wrapper header */
 struct iwm_umac_wifi_if {
 	u8 oid;
-- 
GitLab


From b136b3a2c1867172cd3de6e7286c600b04543b30 Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Tue, 24 Nov 2009 11:33:32 +0800
Subject: [PATCH 1581/1815] iwmc3200wifi: Add stopped queue to debugfs

We add the stopped queue count and display to the tx queue debugfs entry.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwmc3200wifi/debugfs.c | 23 +++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/drivers/net/wireless/iwmc3200wifi/debugfs.c b/drivers/net/wireless/iwmc3200wifi/debugfs.c
index 1465379f900..be992ca41cf 100644
--- a/drivers/net/wireless/iwmc3200wifi/debugfs.c
+++ b/drivers/net/wireless/iwmc3200wifi/debugfs.c
@@ -158,6 +158,29 @@ static ssize_t iwm_debugfs_txq_read(struct file *filp, char __user *buffer,
 		}
 
 		spin_unlock_irqrestore(&txq->queue.lock, flags);
+
+		spin_lock_irqsave(&txq->stopped_queue.lock, flags);
+
+		len += snprintf(buf + len, buf_len - len,
+				"\tStopped Queue len:   %d\n",
+				skb_queue_len(&txq->stopped_queue));
+		for (j = 0; j < skb_queue_len(&txq->stopped_queue); j++) {
+			struct iwm_tx_info *tx_info;
+
+			skb = skb->next;
+			tx_info = skb_to_tx_info(skb);
+
+			len += snprintf(buf + len, buf_len - len,
+					"\tSKB #%d\n", j);
+			len += snprintf(buf + len, buf_len - len,
+					"\t\tsta:   %d\n", tx_info->sta);
+			len += snprintf(buf + len, buf_len - len,
+					"\t\tcolor: %d\n", tx_info->color);
+			len += snprintf(buf + len, buf_len - len,
+					"\t\ttid:   %d\n", tx_info->tid);
+		}
+
+		spin_unlock_irqrestore(&txq->stopped_queue.lock, flags);
 	}
 
 	ret = simple_read_from_buffer(buffer, len, ppos, buf, buf_len);
-- 
GitLab


From 6b65b6ad016f048547127946d1afe4ba41c74296 Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Tue, 24 Nov 2009 11:33:33 +0800
Subject: [PATCH 1582/1815] iwmc3200wifi: Remove tx concatenation option

The tx concatenation option works fine now, we no longer need the debugging
option of disabling concatenation.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwmc3200wifi/tx.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/net/wireless/iwmc3200wifi/tx.c b/drivers/net/wireless/iwmc3200wifi/tx.c
index 01cc2101e68..55905f02309 100644
--- a/drivers/net/wireless/iwmc3200wifi/tx.c
+++ b/drivers/net/wireless/iwmc3200wifi/tx.c
@@ -354,8 +354,6 @@ static int iwm_tx_send_concat_packets(struct iwm_priv *iwm,
 	return ret;
 }
 
-#define CONFIG_IWM_TX_CONCATENATED 1
-
 void iwm_tx_worker(struct work_struct *work)
 {
 	struct iwm_priv *iwm;
@@ -414,11 +412,6 @@ void iwm_tx_worker(struct work_struct *work)
 			   "%d, color: %d\n", txq->id, skb, tx_info->sta,
 			   tx_info->color);
 
-#if !CONFIG_IWM_TX_CONCATENATED
-		/* temporarily keep this to comparing the performance */
-		ret = iwm_send_packet(iwm, skb, pool_id);
-#else
-
 		if (txq->concat_count + cmdlen > IWM_HAL_CONCATENATE_BUF_SIZE)
 			iwm_tx_send_concat_packets(iwm, txq);
 
@@ -440,7 +433,7 @@ void iwm_tx_worker(struct work_struct *work)
 		txq->concat_count += ALIGN(cmdlen, 16);
 
 		mutex_unlock(&tid_info->mutex);
-#endif
+
 		kfree_skb(skb);
 	}
 
-- 
GitLab


From e7824a50662f7f79b1a739f705b4d906c31cf221 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Tue, 24 Nov 2009 02:53:25 -0500
Subject: [PATCH 1583/1815] ath9k: fix processing of TX PS null data frames

When mac80211 was telling us to go into Powersave we listened
and immediately turned RX off. This meant hardware would not
see the ACKs from the AP we're associated with and hardware
we'd end up retransmiting the null data frame in a loop
helplessly.

Fix this by keeping track of the transmitted nullfunc frames
and only when we are sure the AP has sent back an ACK do we
go ahead and shut RX off.

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: Vivek Natarajan <Vivek.Natarajan@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/ath9k.h  |  2 ++
 drivers/net/wireless/ath/ath9k/common.h |  1 +
 drivers/net/wireless/ath/ath9k/mac.c    |  9 +++++++++
 drivers/net/wireless/ath/ath9k/mac.h    |  6 ++++++
 drivers/net/wireless/ath/ath9k/main.c   | 20 ++++++++++++++++++--
 drivers/net/wireless/ath/ath9k/reg.h    | 15 ++++++++++++---
 drivers/net/wireless/ath/ath9k/xmit.c   | 21 +++++++++++++++++++++
 7 files changed, 69 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 9ff53c9c411..3eb9677b2df 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -420,6 +420,8 @@ struct ath_led {
 #define SC_OP_WAIT_FOR_TX_ACK   BIT(18)
 #define SC_OP_BEACON_SYNC       BIT(19)
 #define SC_OP_BT_PRIORITY_DETECTED BIT(21)
+#define SC_OP_NULLFUNC_COMPLETED BIT(22)
+#define SC_OP_PS_ENABLED	BIT(23)
 
 struct ath_wiphy;
 struct ath_rate_table;
diff --git a/drivers/net/wireless/ath/ath9k/common.h b/drivers/net/wireless/ath/ath9k/common.h
index 4e117602935..b230bb15279 100644
--- a/drivers/net/wireless/ath/ath9k/common.h
+++ b/drivers/net/wireless/ath/ath9k/common.h
@@ -78,6 +78,7 @@ struct ath_buf {
 	dma_addr_t bf_daddr;		/* physical addr of desc */
 	dma_addr_t bf_buf_addr;		/* physical addr of data buffer */
 	bool bf_stale;
+	bool bf_isnullfunc;
 	u16 bf_flags;
 	struct ath_buf_state bf_state;
 	dma_addr_t bf_dmacontext;
diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c
index 46466ffebcb..09ed441eb6b 100644
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -231,6 +231,8 @@ int ath9k_hw_txprocdesc(struct ath_hw *ah, struct ath_desc *ds)
 	ds->ds_txstat.ts_status = 0;
 	ds->ds_txstat.ts_flags = 0;
 
+	if (ads->ds_txstatus1 & AR_FrmXmitOK)
+		ds->ds_txstat.ts_status |= ATH9K_TX_ACKED;
 	if (ads->ds_txstatus1 & AR_ExcessiveRetries)
 		ds->ds_txstat.ts_status |= ATH9K_TXERR_XRETRY;
 	if (ads->ds_txstatus1 & AR_Filtered)
@@ -926,6 +928,13 @@ void ath9k_hw_setuprxdesc(struct ath_hw *ah, struct ath_desc *ds,
 }
 EXPORT_SYMBOL(ath9k_hw_setuprxdesc);
 
+/*
+ * This can stop or re-enables RX.
+ *
+ * If bool is set this will kill any frame which is currently being
+ * transferred between the MAC and baseband and also prevent any new
+ * frames from getting started.
+ */
 bool ath9k_hw_setrxabort(struct ath_hw *ah, bool set)
 {
 	u32 reg;
diff --git a/drivers/net/wireless/ath/ath9k/mac.h b/drivers/net/wireless/ath/ath9k/mac.h
index 29dfe14751a..6cc04951a05 100644
--- a/drivers/net/wireless/ath/ath9k/mac.h
+++ b/drivers/net/wireless/ath/ath9k/mac.h
@@ -76,6 +76,7 @@
 #define ATH9K_TXERR_FIFO           0x04
 #define ATH9K_TXERR_XTXOP          0x08
 #define ATH9K_TXERR_TIMER_EXPIRED  0x10
+#define ATH9K_TX_ACKED		   0x20
 
 #define ATH9K_TX_BA                0x01
 #define ATH9K_TX_PWRMGMT           0x02
@@ -380,6 +381,11 @@ struct ar5416_desc {
 #define AR_TxBaStatus       0x40000000
 #define AR_TxStatusRsvd01   0x80000000
 
+/*
+ * AR_FrmXmitOK - Frame transmission success flag. If set, the frame was
+ * transmitted successfully. If clear, no ACK or BA was received to indicate
+ * successful transmission when we were expecting an ACK or BA.
+ */
 #define AR_FrmXmitOK            0x00000001
 #define AR_ExcessiveRetries     0x00000002
 #define AR_FIFOUnderrun         0x00000004
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index bd1e2de3a1f..55c669648bd 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -2701,8 +2701,15 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
 		}
 	}
 
+	/*
+	 * We just prepare to enable PS. We have to wait until our AP has
+	 * ACK'd our null data frame to disable RX otherwise we'll ignore
+	 * those ACKs and end up retransmitting the same null data frames.
+	 * IEEE80211_CONF_CHANGE_PS is only passed by mac80211 for STA mode.
+	 */
 	if (changed & IEEE80211_CONF_CHANGE_PS) {
 		if (conf->flags & IEEE80211_CONF_PS) {
+			sc->sc_flags |= SC_OP_PS_ENABLED;
 			if (!(ah->caps.hw_caps &
 			      ATH9K_HW_CAP_AUTOSLEEP)) {
 				if ((sc->imask & ATH9K_INT_TIM_TIMER) == 0) {
@@ -2710,11 +2717,20 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
 					ath9k_hw_set_interrupts(sc->sc_ah,
 							sc->imask);
 				}
-				ath9k_hw_setrxabort(sc->sc_ah, 1);
 			}
-			sc->ps_enabled = true;
+			/*
+			 * At this point we know hardware has received an ACK
+			 * of a previously sent null data frame.
+			 */
+			if ((sc->sc_flags & SC_OP_NULLFUNC_COMPLETED)) {
+				sc->sc_flags &= ~SC_OP_NULLFUNC_COMPLETED;
+				sc->ps_enabled = true;
+				ath9k_hw_setrxabort(sc->sc_ah, 1);
+                        }
 		} else {
 			sc->ps_enabled = false;
+			sc->sc_flags &= ~(SC_OP_PS_ENABLED |
+					  SC_OP_NULLFUNC_COMPLETED);
 			ath9k_setpower(sc, ATH9K_PM_AWAKE);
 			if (!(ah->caps.hw_caps &
 			      ATH9K_HW_CAP_AUTOSLEEP)) {
diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h
index 49ec25f020f..8e653fb937a 100644
--- a/drivers/net/wireless/ath/ath9k/reg.h
+++ b/drivers/net/wireless/ath/ath9k/reg.h
@@ -1332,13 +1332,22 @@ enum {
 #define AR_MCAST_FIL0       0x8040
 #define AR_MCAST_FIL1       0x8044
 
+/*
+ * AR_DIAG_SW - Register which can be used for diagnostics and testing purposes.
+ *
+ * The force RX abort (AR_DIAG_RX_ABORT, bit 25) can be used in conjunction with
+ * RX block (AR_DIAG_RX_DIS, bit 5) to help fast channel change to shut down
+ * receive. The force RX abort bit will kill any frame which is currently being
+ * transferred between the MAC and baseband. The RX block bit (AR_DIAG_RX_DIS)
+ * will prevent any new frames from getting started.
+ */
 #define AR_DIAG_SW                  0x8048
 #define AR_DIAG_CACHE_ACK           0x00000001
 #define AR_DIAG_ACK_DIS             0x00000002
 #define AR_DIAG_CTS_DIS             0x00000004
 #define AR_DIAG_ENCRYPT_DIS         0x00000008
 #define AR_DIAG_DECRYPT_DIS         0x00000010
-#define AR_DIAG_RX_DIS              0x00000020
+#define AR_DIAG_RX_DIS              0x00000020 /* RX block */
 #define AR_DIAG_LOOP_BACK           0x00000040
 #define AR_DIAG_CORR_FCS            0x00000080
 #define AR_DIAG_CHAN_INFO           0x00000100
@@ -1347,12 +1356,12 @@ enum {
 #define AR_DIAG_FRAME_NV0           0x00020000
 #define AR_DIAG_OBS_PT_SEL1         0x000C0000
 #define AR_DIAG_OBS_PT_SEL1_S       18
-#define AR_DIAG_FORCE_RX_CLEAR      0x00100000
+#define AR_DIAG_FORCE_RX_CLEAR      0x00100000 /* force rx_clear high */
 #define AR_DIAG_IGNORE_VIRT_CS      0x00200000
 #define AR_DIAG_FORCE_CH_IDLE_HIGH  0x00400000
 #define AR_DIAG_EIFS_CTRL_ENA       0x00800000
 #define AR_DIAG_DUAL_CHAIN_INFO     0x01000000
-#define AR_DIAG_RX_ABORT            0x02000000
+#define AR_DIAG_RX_ABORT            0x02000000 /* Force RX abort */
 #define AR_DIAG_SATURATE_CYCLE_CNT  0x04000000
 #define AR_DIAG_OBS_PT_SEL2         0x08000000
 #define AR_DIAG_RX_CLEAR_CTL_LOW    0x10000000
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 2bb8c91bf4f..6f91a8ae616 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1644,6 +1644,14 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf,
 	}
 
 	bf->bf_buf_addr = bf->bf_dmacontext;
+
+	/* tag if this is a nullfunc frame to enable PS when AP acks it */
+	if (ieee80211_is_nullfunc(fc) && ieee80211_has_pm(fc)) {
+		bf->bf_isnullfunc = true;
+		sc->sc_flags &= ~SC_OP_NULLFUNC_COMPLETED;
+	} else
+		bf->bf_isnullfunc = false;
+
 	return 0;
 }
 
@@ -2038,6 +2046,19 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
 			break;
 		}
 
+		/*
+		 * We now know the nullfunc frame has been ACKed so we
+		 * can disable RX.
+		 */
+		if (bf->bf_isnullfunc &&
+		    (ds->ds_txstat.ts_status & ATH9K_TX_ACKED)) {
+			if ((sc->sc_flags & SC_OP_PS_ENABLED)) {
+				sc->ps_enabled = true;
+				ath9k_hw_setrxabort(sc->sc_ah, 1);
+			} else
+				sc->sc_flags |= SC_OP_NULLFUNC_COMPLETED;
+		}
+
 		/*
 		 * Remove ath_buf's of the same transmit unit from txq,
 		 * however leave the last descriptor back as the holding
-- 
GitLab


From 1bc1488067ee2c295b933ef6decd6035230f1a1c Mon Sep 17 00:00:00 2001
From: Benoit Papillault <benoit.papillault@free.fr>
Date: Tue, 24 Nov 2009 15:49:18 +0100
Subject: [PATCH 1584/1815] ath9k: Proper padding/unpadding for the TX/RX path.

Software padding is done on the TX path and software unpadding is done on the
RX path. This patch corrects the position where the padding occurs. A specific
function computes the pad position and this function is used in the TX and RX
path. This patch has been tested by generating every possible 802.11 frames
with every possible frame_control field and a varying length. This patch is
useful for analyzing non standard 802.11 frames going over the air

Signed-off-by: Benoit Papillault <benoit.papillault@free.fr>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/common.c | 24 +++++++++++++++---------
 drivers/net/wireless/ath/ath9k/common.h |  2 ++
 drivers/net/wireless/ath/ath9k/main.c   | 14 ++++++--------
 drivers/net/wireless/ath/ath9k/xmit.c   |  9 ++++++++-
 4 files changed, 31 insertions(+), 18 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/common.c b/drivers/net/wireless/ath/ath9k/common.c
index d96751ccee9..4d775ae141d 100644
--- a/drivers/net/wireless/ath/ath9k/common.c
+++ b/drivers/net/wireless/ath/ath9k/common.c
@@ -236,16 +236,8 @@ void ath9k_cmn_rx_skb_postprocess(struct ath_common *common,
 	/* see if any padding is done by the hw and remove it */
 	hdr = (struct ieee80211_hdr *) skb->data;
 	hdrlen = ieee80211_get_hdrlen_from_skb(skb);
-	padpos = 24;
 	fc = hdr->frame_control;
-	if ((fc & cpu_to_le16(IEEE80211_FCTL_FROMDS|IEEE80211_FCTL_TODS)) ==
-	    cpu_to_le16(IEEE80211_FCTL_FROMDS|IEEE80211_FCTL_TODS)) {
-	  padpos += 6; /* ETH_ALEN */
-	}
-	if ((fc & cpu_to_le16(IEEE80211_STYPE_QOS_DATA|IEEE80211_FCTL_FTYPE)) ==
-	    cpu_to_le16(IEEE80211_STYPE_QOS_DATA|IEEE80211_FTYPE_DATA)) {
-	  padpos += 2;
-	}
+	padpos = ath9k_cmn_padpos(hdr->frame_control);
 
 	/* The MAC header is padded to have 32-bit boundary if the
 	 * packet payload is non-zero. The general calculation for
@@ -280,6 +272,20 @@ void ath9k_cmn_rx_skb_postprocess(struct ath_common *common,
 }
 EXPORT_SYMBOL(ath9k_cmn_rx_skb_postprocess);
 
+int ath9k_cmn_padpos(__le16 frame_control)
+{
+	int padpos = 24;
+	if (ieee80211_has_a4(frame_control)) {
+		padpos += ETH_ALEN;
+	}
+	if (ieee80211_is_data_qos(frame_control)) {
+		padpos += IEEE80211_QOS_CTL_LEN;
+	}
+
+	return padpos;
+}
+EXPORT_SYMBOL(ath9k_cmn_padpos);
+
 static int __init ath9k_cmn_init(void)
 {
 	return 0;
diff --git a/drivers/net/wireless/ath/ath9k/common.h b/drivers/net/wireless/ath/ath9k/common.h
index b230bb15279..042999c2fe9 100644
--- a/drivers/net/wireless/ath/ath9k/common.h
+++ b/drivers/net/wireless/ath/ath9k/common.h
@@ -123,3 +123,5 @@ void ath9k_cmn_rx_skb_postprocess(struct ath_common *common,
 				  struct ath_rx_status *rx_stats,
 				  struct ieee80211_rx_status *rxs,
 				  bool decrypt_error);
+
+int ath9k_cmn_padpos(__le16 frame_control);
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 55c669648bd..cfe710b01d8 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -2364,7 +2364,8 @@ static int ath9k_tx(struct ieee80211_hw *hw,
 	struct ath_softc *sc = aphy->sc;
 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	struct ath_tx_control txctl;
-	int hdrlen, padsize;
+	int padpos, padsize;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
 
 	if (aphy->state != ATH_WIPHY_ACTIVE && aphy->state != ATH_WIPHY_SCAN) {
 		ath_print(common, ATH_DBG_XMIT,
@@ -2374,7 +2375,6 @@ static int ath9k_tx(struct ieee80211_hw *hw,
 	}
 
 	if (sc->ps_enabled) {
-		struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
 		/*
 		 * mac80211 does not set PM field for normal data frames, so we
 		 * need to update that based on the current PS mode.
@@ -2394,7 +2394,6 @@ static int ath9k_tx(struct ieee80211_hw *hw,
 		 * power save mode. Need to wake up hardware for the TX to be
 		 * completed and if needed, also for RX of buffered frames.
 		 */
-		struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
 		ath9k_ps_wakeup(sc);
 		ath9k_hw_setrxabort(sc->sc_ah, 0);
 		if (ieee80211_is_pspoll(hdr->frame_control)) {
@@ -2422,7 +2421,6 @@ static int ath9k_tx(struct ieee80211_hw *hw,
 	 * BSSes.
 	 */
 	if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) {
-		struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
 		if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT)
 			sc->tx.seq_no += 0x10;
 		hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
@@ -2430,13 +2428,13 @@ static int ath9k_tx(struct ieee80211_hw *hw,
 	}
 
 	/* Add the padding after the header if this is not already done */
-	hdrlen = ieee80211_get_hdrlen_from_skb(skb);
-	if (hdrlen & 3) {
-		padsize = hdrlen % 4;
+	padpos = ath9k_cmn_padpos(hdr->frame_control);
+	padsize = padpos & 3;
+	if (padsize && skb->len>padpos) {
 		if (skb_headroom(skb) < padsize)
 			return -1;
 		skb_push(skb, padsize);
-		memmove(skb->data, skb->data + padsize, hdrlen);
+		memmove(skb->data, skb->data + padsize, padpos);
 	}
 
 	/* Check if a tx queue is available */
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 6f91a8ae616..564c6cb1c2b 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1596,6 +1596,7 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf,
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
 	int hdrlen;
 	__le16 fc;
+	int padpos, padsize;
 
 	tx_info->pad[0] = 0;
 	switch (txctl->frame_type) {
@@ -1614,7 +1615,13 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf,
 	ATH_TXBUF_RESET(bf);
 
 	bf->aphy = aphy;
-	bf->bf_frmlen = skb->len + FCS_LEN - (hdrlen & 3);
+	bf->bf_frmlen = skb->len + FCS_LEN;
+	/* Remove the padding size from bf_frmlen, if any */
+	padpos = ath9k_cmn_padpos(hdr->frame_control);
+	padsize = padpos & 3;
+	if (padsize && skb->len>padpos+padsize) {
+		bf->bf_frmlen -= padsize;
+	}
 
 	if (conf_is_ht(&hw->conf) && !is_pae(skb))
 		bf->bf_state.bf_type |= BUF_HT;
-- 
GitLab


From f4709fdf683e1ed37b321c258b614ebe39752bf3 Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Tue, 24 Nov 2009 21:37:57 -0500
Subject: [PATCH 1585/1815] ath9k: Fix maximum tx fifo settings for single
 stream devices

Atheros single stream AR9285 and AR9271 have half the PCU TX FIFO
buffer size of that of dual stream devices. Dual stream devices
have a max PCU TX FIFO size of 8 KB while single stream devices
have 4 KB. Single stream devices have an issue though and require
hardware only to use half of the amount of its capable PCU TX FIFO
size, 2 KB and this requires a change in software.

Technically a change would not have been required (except for frame
burst considerations of 128 bytes) if these devices would have been
able to use the full 4 KB of the PCU TX FIFO size but our systems
engineers recommend 2 KB to be used only. We enforce this through
software by reducing the max frame triggger level to 2 KB.

Fixing the max frame trigger level should then have a few benefits:

  * The PER will now be adjusted as designed for underruns when the
    max trigger level is reached. This should help alleviate the
    bus as the rate control algorithm chooses a slower rate which
    should ensure frames are transmitted properly under high system
    bus load.

  * The poll we use on our TX queues should now trigger and work
    as designed for single stream devices. The hardware passes
    data from each TX queue on the PCU TX FIFO queue respecting each
    queue's priority. The new trigger level ensures this seeding of
    the PCU TX FIFO queue occurs as designed which could mean avoiding
    false resets and actually reseting hw correctly when a TX queue
    is indeed stuck.

  * Some undocumented / unsupported behaviour could have been triggered
    when the max trigger level level was being set to 4 KB on single
    stream devices. Its not clear what this issue was to me yet.

Cc: Kyungwan Nam <kyungwan.nam@atheros.com>
Cc: Bennyam Malavazi <bennyam.malavazi@atheros.com>
Cc: Stephen Chen <stephen.chen@atheros.com>
Cc: Shan Palanisamy <shan.palanisamy@atheros.com>
Cc: Paul Shaw <paul.shaw@atheros.com>
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.c  | 11 ++++++++++-
 drivers/net/wireless/ath/ath9k/hw.h  |  1 +
 drivers/net/wireless/ath/ath9k/mac.c | 29 ++++++++++++++++++++++++++--
 drivers/net/wireless/ath/ath9k/mac.h |  8 +++++++-
 drivers/net/wireless/ath/ath9k/rc.c  | 12 ++++++++----
 5 files changed, 53 insertions(+), 8 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 63d84613dc9..493160c8c75 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -918,6 +918,11 @@ int ath9k_hw_init(struct ath_hw *ah)
 	ath_print(common, ATH_DBG_RESET, "serialize_regmode is %d\n",
 		ah->config.serialize_regmode);
 
+	if (AR_SREV_9285(ah) || AR_SREV_9271(ah))
+		ah->config.max_txtrig_level = MAX_TX_FIFO_THRESHOLD >> 1;
+	else
+		ah->config.max_txtrig_level = MAX_TX_FIFO_THRESHOLD;
+
 	if (!ath9k_hw_macversion_supported(ah->hw_version.macVersion)) {
 		ath_print(common, ATH_DBG_FATAL,
 			  "Mac Chip Rev 0x%02x.%x is not supported by "
@@ -3224,7 +3229,11 @@ void ath9k_hw_fill_cap_info(struct ath_hw *ah)
 		pCap->keycache_size = AR_KEYTABLE_SIZE;
 
 	pCap->hw_caps |= ATH9K_HW_CAP_FASTCC;
-	pCap->tx_triglevel_max = MAX_TX_FIFO_THRESHOLD;
+
+	if (AR_SREV_9285(ah) || AR_SREV_9271(ah))
+		pCap->tx_triglevel_max = MAX_TX_FIFO_THRESHOLD >> 1;
+	else
+		pCap->tx_triglevel_max = MAX_TX_FIFO_THRESHOLD;
 
 	if (AR_SREV_9285_10_OR_LATER(ah))
 		pCap->num_gpio_pins = AR9285_NUM_GPIO;
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index b12634262d9..46e1572dc94 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -226,6 +226,7 @@ struct ath9k_ops_config {
 #define AR_SPUR_FEEQ_BOUND_HT20 10
 	int spurmode;
 	u16 spurchans[AR_EEPROM_MODAL_SPURS][2];
+	u8 max_txtrig_level;
 };
 
 enum ath9k_int {
diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c
index 09ed441eb6b..71b84d91dcf 100644
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -70,12 +70,37 @@ u32 ath9k_hw_numtxpending(struct ath_hw *ah, u32 q)
 }
 EXPORT_SYMBOL(ath9k_hw_numtxpending);
 
+/**
+ * ath9k_hw_updatetxtriglevel - adjusts the frame trigger level
+ *
+ * @ah: atheros hardware struct
+ * @bIncTrigLevel: whether or not the frame trigger level should be updated
+ *
+ * The frame trigger level specifies the minimum number of bytes,
+ * in units of 64 bytes, that must be DMA'ed into the PCU TX FIFO
+ * before the PCU will initiate sending the frame on the air. This can
+ * mean we initiate transmit before a full frame is on the PCU TX FIFO.
+ * Resets to 0x1 (meaning 64 bytes or a full frame, whichever occurs
+ * first)
+ *
+ * Caution must be taken to ensure to set the frame trigger level based
+ * on the DMA request size. For example if the DMA request size is set to
+ * 128 bytes the trigger level cannot exceed 6 * 64 = 384. This is because
+ * there need to be enough space in the tx FIFO for the requested transfer
+ * size. Hence the tx FIFO will stop with 512 - 128 = 384 bytes. If we set
+ * the threshold to a value beyond 6, then the transmit will hang.
+ *
+ * Current dual   stream devices have a PCU TX FIFO size of 8 KB.
+ * Current single stream devices have a PCU TX FIFO size of 4 KB, however,
+ * there is a hardware issue which forces us to use 2 KB instead so the
+ * frame trigger level must not exceed 2 KB for these chipsets.
+ */
 bool ath9k_hw_updatetxtriglevel(struct ath_hw *ah, bool bIncTrigLevel)
 {
 	u32 txcfg, curLevel, newLevel;
 	enum ath9k_int omask;
 
-	if (ah->tx_trig_level >= MAX_TX_FIFO_THRESHOLD)
+	if (ah->tx_trig_level >= ah->config.max_txtrig_level)
 		return false;
 
 	omask = ath9k_hw_set_interrupts(ah, ah->mask_reg & ~ATH9K_INT_GLOBAL);
@@ -84,7 +109,7 @@ bool ath9k_hw_updatetxtriglevel(struct ath_hw *ah, bool bIncTrigLevel)
 	curLevel = MS(txcfg, AR_FTRIG);
 	newLevel = curLevel;
 	if (bIncTrigLevel) {
-		if (curLevel < MAX_TX_FIFO_THRESHOLD)
+		if (curLevel < ah->config.max_txtrig_level)
 			newLevel++;
 	} else if (curLevel > MIN_TX_FIFO_THRESHOLD)
 		newLevel--;
diff --git a/drivers/net/wireless/ath/ath9k/mac.h b/drivers/net/wireless/ath/ath9k/mac.h
index 6cc04951a05..0c87771383f 100644
--- a/drivers/net/wireless/ath/ath9k/mac.h
+++ b/drivers/net/wireless/ath/ath9k/mac.h
@@ -86,9 +86,15 @@
 #define ATH9K_TX_SW_ABORTED        0x40
 #define ATH9K_TX_SW_FILTERED       0x80
 
+/* 64 bytes */
 #define MIN_TX_FIFO_THRESHOLD   0x1
+
+/*
+ * Single stream device AR9285 and AR9271 require 2 KB
+ * to work around a hardware issue, all other devices
+ * have can use the max 4 KB limit.
+ */
 #define MAX_TX_FIFO_THRESHOLD   ((4096 / 64) - 1)
-#define INIT_TX_FIFO_THRESHOLD  MIN_TX_FIFO_THRESHOLD
 
 struct ath_tx_status {
 	u32 ts_tstamp;
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index e697bd93490..c915954d4d5 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -1235,10 +1235,14 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband,
 		return;
 
 	/*
-	 * If underrun error is seen assume it as an excessive retry only
-	 * if prefetch trigger level have reached the max (0x3f for 5416)
-	 * Adjust the long retry as if the frame was tried hw->max_rate_tries
-	 * times. This affects how ratectrl updates PER for the failed rate.
+	 * If an underrun error is seen assume it as an excessive retry only
+	 * if max frame trigger level has been reached (2 KB for singel stream,
+	 * and 4 KB for dual stream). Adjust the long retry as if the frame was
+	 * tried hw->max_rate_tries times to affect how ratectrl updates PER for
+	 * the failed rate. In case of congestion on the bus penalizing these
+	 * type of underruns should help hardware actually transmit new frames
+	 * successfully by eventually preferring slower rates. This itself
+	 * should also alleviate congestion on the bus.
 	 */
 	if ((tx_info->pad[0] & ATH_TX_INFO_UNDERRUN) &&
 	    (sc->sc_ah->tx_trig_level >= ath_rc_priv->tx_triglevel_max)) {
-- 
GitLab


From 94db29368a658b13a088db87c7b0bf59b1a7492d Mon Sep 17 00:00:00 2001
From: Vivek Natarajan <vnatarajan@atheros.com>
Date: Wed, 25 Nov 2009 12:01:54 +0530
Subject: [PATCH 1586/1815] ath9k: Ensure a fair beacon distribution in IBSS
 mode.

Update the beacon queue parameters with best effort queue parameters for
IBSS mode. This reduces the number of beacons generated by ath9k and
ensures a fair beacon distribution when there are multiple IBSS stations.
Also CWmin is quadrupled to achieve the expected percentage of
distribution.

Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/ath9k.h  |  1 +
 drivers/net/wireless/ath/ath9k/beacon.c | 14 +++++++++-----
 drivers/net/wireless/ath/ath9k/main.c   |  4 ++++
 3 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 3eb9677b2df..42f79caa870 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -329,6 +329,7 @@ void ath_beacon_tasklet(unsigned long data);
 void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif);
 int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif);
 void ath_beacon_return(struct ath_softc *sc, struct ath_vif *avp);
+int ath_beaconq_config(struct ath_softc *sc);
 
 /*******/
 /* ANI */
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index cb774cc828a..1660ef17aaf 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -23,11 +23,12 @@
  *  the operating mode of the station (AP or AdHoc).  Parameters are AIFS
  *  settings and channel width min/max
 */
-static int ath_beaconq_config(struct ath_softc *sc)
+int ath_beaconq_config(struct ath_softc *sc)
 {
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath_common *common = ath9k_hw_common(ah);
-	struct ath9k_tx_queue_info qi;
+	struct ath9k_tx_queue_info qi, qi_be;
+	int qnum;
 
 	ath9k_hw_get_txq_props(ah, sc->beacon.beaconq, &qi);
 	if (sc->sc_ah->opmode == NL80211_IFTYPE_AP) {
@@ -37,9 +38,12 @@ static int ath_beaconq_config(struct ath_softc *sc)
 		qi.tqi_cwmax = 0;
 	} else {
 		/* Adhoc mode; important thing is to use 2x cwmin. */
-		qi.tqi_aifs = sc->beacon.beacon_qi.tqi_aifs;
-		qi.tqi_cwmin = 2*sc->beacon.beacon_qi.tqi_cwmin;
-		qi.tqi_cwmax = sc->beacon.beacon_qi.tqi_cwmax;
+		qnum = ath_tx_get_qnum(sc, ATH9K_TX_QUEUE_DATA,
+				       ATH9K_WME_AC_BE);
+		ath9k_hw_get_txq_props(ah, qnum, &qi_be);
+		qi.tqi_aifs = qi_be.tqi_aifs;
+		qi.tqi_cwmin = 4*qi_be.tqi_cwmin;
+		qi.tqi_cwmax = qi_be.tqi_cwmax;
 	}
 
 	if (!ath9k_hw_set_txq_props(ah, sc->beacon.beaconq, &qi)) {
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index cfe710b01d8..b9598148767 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -2882,6 +2882,10 @@ static int ath9k_conf_tx(struct ieee80211_hw *hw, u16 queue,
 	if (ret)
 		ath_print(common, ATH_DBG_FATAL, "TXQ Update failed\n");
 
+	if (sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC)
+		if ((qnum == sc->tx.hwq_map[ATH9K_WME_AC_BE]) && !ret)
+			ath_beaconq_config(sc);
+
 	mutex_unlock(&sc->mutex);
 
 	return ret;
-- 
GitLab


From 83daee06adeed7b294802c998d5e03ea7d856aa1 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Wed, 25 Nov 2009 10:12:20 +0300
Subject: [PATCH 1587/1815] ray_cs: convert to proc_fops

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ray_cs.c | 36 +++++++++++++++++------------------
 1 file changed, 18 insertions(+), 18 deletions(-)

diff --git a/drivers/net/wireless/ray_cs.c b/drivers/net/wireless/ray_cs.c
index 5ee9d2a1936..0366f5aeb91 100644
--- a/drivers/net/wireless/ray_cs.c
+++ b/drivers/net/wireless/ray_cs.c
@@ -2865,18 +2865,8 @@ static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type)
 
 /*===========================================================================*/
 #ifdef CONFIG_PROC_FS
-static void raycs_write(const char *name, write_proc_t *w, void *data)
-{
-	struct proc_dir_entry *entry =
-	    create_proc_entry(name, S_IFREG | S_IWUSR, NULL);
-	if (entry) {
-		entry->write_proc = w;
-		entry->data = data;
-	}
-}
-
-static int write_essid(struct file *file, const char __user *buffer,
-		       unsigned long count, void *data)
+static ssize_t ray_cs_essid_proc_write(struct file *file,
+		const char __user *buffer, size_t count, loff_t *pos)
 {
 	static char proc_essid[33];
 	unsigned int len = count;
@@ -2890,8 +2880,13 @@ static int write_essid(struct file *file, const char __user *buffer,
 	return count;
 }
 
-static int write_int(struct file *file, const char __user *buffer,
-		     unsigned long count, void *data)
+static const struct file_operations ray_cs_essid_proc_fops = {
+	.owner		= THIS_MODULE,
+	.write		= ray_cs_essid_proc_write,
+};
+
+static ssize_t int_proc_write(struct file *file, const char __user *buffer,
+			      size_t count, loff_t *pos)
 {
 	static char proc_number[10];
 	char *p;
@@ -2914,9 +2909,14 @@ static int write_int(struct file *file, const char __user *buffer,
 		nr = nr * 10 + c;
 		p++;
 	} while (--len);
-	*(int *)data = nr;
+	*(int *)PDE(file->f_path.dentry->d_inode)->data = nr;
 	return count;
 }
+
+static const struct file_operations int_proc_fops = {
+	.owner		= THIS_MODULE,
+	.write		= int_proc_write,
+};
 #endif
 
 static struct pcmcia_device_id ray_ids[] = {
@@ -2951,9 +2951,9 @@ static int __init init_ray_cs(void)
 	proc_mkdir("driver/ray_cs", NULL);
 
 	proc_create("driver/ray_cs/ray_cs", 0, NULL, &ray_cs_proc_fops);
-	raycs_write("driver/ray_cs/essid", write_essid, NULL);
-	raycs_write("driver/ray_cs/net_type", write_int, &net_type);
-	raycs_write("driver/ray_cs/translate", write_int, &translate);
+	proc_create("driver/ray_cs/essid", S_IWUSR, NULL, &ray_cs_essid_proc_fops);
+	proc_create_data("driver/ray_cs/net_type", S_IWUSR, NULL, &int_proc_fops, &net_type);
+	proc_create_data("driver/ray_cs/translate", S_IWUSR, NULL, &int_proc_fops, &translate);
 #endif
 	if (translate != 0)
 		translate = 1;
-- 
GitLab


From b8d83392980b65ea548cbf2b1c7c542b51961166 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Wed, 25 Nov 2009 10:14:12 +0300
Subject: [PATCH 1588/1815] ipw2x00: convert to seq_file

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ipw2x00/libipw_module.c | 33 +++++++++++++-------
 1 file changed, 22 insertions(+), 11 deletions(-)

diff --git a/drivers/net/wireless/ipw2x00/libipw_module.c b/drivers/net/wireless/ipw2x00/libipw_module.c
index e8a1ac5f8e1..bf21eb383db 100644
--- a/drivers/net/wireless/ipw2x00/libipw_module.c
+++ b/drivers/net/wireless/ipw2x00/libipw_module.c
@@ -248,17 +248,22 @@ u32 libipw_debug_level = 0;
 EXPORT_SYMBOL_GPL(libipw_debug_level);
 static struct proc_dir_entry *libipw_proc = NULL;
 
-static int show_debug_level(char *page, char **start, off_t offset,
-			    int count, int *eof, void *data)
+static int debug_level_proc_show(struct seq_file *m, void *v)
 {
-	return snprintf(page, count, "0x%08X\n", libipw_debug_level);
+	seq_printf(m, "0x%08X\n", libipw_debug_level);
+	return 0;
 }
 
-static int store_debug_level(struct file *file, const char __user * buffer,
-			     unsigned long count, void *data)
+static int debug_level_proc_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, debug_level_proc_show, NULL);
+}
+
+static ssize_t debug_level_proc_write(struct file *file,
+		const char __user *buffer, size_t count, loff_t *pos)
 {
 	char buf[] = "0x00000000\n";
-	unsigned long len = min((unsigned long)sizeof(buf) - 1, count);
+	size_t len = min(sizeof(buf) - 1, count);
 	unsigned long val;
 
 	if (copy_from_user(buf, buffer, len))
@@ -272,6 +277,15 @@ static int store_debug_level(struct file *file, const char __user * buffer,
 
 	return strnlen(buf, len);
 }
+
+static const struct file_operations debug_level_proc_fops = {
+	.owner		= THIS_MODULE,
+	.open		= debug_level_proc_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+	.write		= debug_level_proc_write,
+};
 #endif				/* CONFIG_LIBIPW_DEBUG */
 
 static int __init libipw_init(void)
@@ -286,16 +300,13 @@ static int __init libipw_init(void)
 				" proc directory\n");
 		return -EIO;
 	}
-	e = create_proc_entry("debug_level", S_IFREG | S_IRUGO | S_IWUSR,
-			      libipw_proc);
+	e = proc_create("debug_level", S_IRUGO | S_IWUSR, libipw_proc,
+			&debug_level_proc_fops);
 	if (!e) {
 		remove_proc_entry(DRV_NAME, init_net.proc_net);
 		libipw_proc = NULL;
 		return -EIO;
 	}
-	e->read_proc = show_debug_level;
-	e->write_proc = store_debug_level;
-	e->data = NULL;
 #endif				/* CONFIG_LIBIPW_DEBUG */
 
 	printk(KERN_INFO DRV_NAME ": " DRV_DESCRIPTION ", " DRV_VERSION "\n");
-- 
GitLab


From 76bae570899be34317510d8006d490572152bdfb Mon Sep 17 00:00:00 2001
From: Holger Schurig <holgerschurig@gmail.com>
Date: Wed, 25 Nov 2009 13:08:55 +0100
Subject: [PATCH 1589/1815] libertas: rename persistcfg.c -> mesh.c

mesh.c will be the file where we concentrate all mesh-related
code. This allows us to either add a KConfig entry for mesh and
makes matters easier for the cfg80211 transition.

Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/Makefile                 | 2 +-
 drivers/net/wireless/libertas/{persistcfg.c => mesh.c} | 0
 2 files changed, 1 insertion(+), 1 deletion(-)
 rename drivers/net/wireless/libertas/{persistcfg.c => mesh.c} (100%)

diff --git a/drivers/net/wireless/libertas/Makefile b/drivers/net/wireless/libertas/Makefile
index fa37039e0ea..b188cd97a05 100644
--- a/drivers/net/wireless/libertas/Makefile
+++ b/drivers/net/wireless/libertas/Makefile
@@ -5,7 +5,7 @@ libertas-y += cmdresp.o
 libertas-y += debugfs.o
 libertas-y += ethtool.o
 libertas-y += main.o
-libertas-y += persistcfg.o
+libertas-y += mesh.o
 libertas-y += rx.o
 libertas-y += scan.o
 libertas-y += tx.o
diff --git a/drivers/net/wireless/libertas/persistcfg.c b/drivers/net/wireless/libertas/mesh.c
similarity index 100%
rename from drivers/net/wireless/libertas/persistcfg.c
rename to drivers/net/wireless/libertas/mesh.c
-- 
GitLab


From 5e8e8b5759566b76bdf36046ae015796676a423c Mon Sep 17 00:00:00 2001
From: Holger Schurig <holgerschurig@gmail.com>
Date: Wed, 25 Nov 2009 13:09:32 +0100
Subject: [PATCH 1590/1815] libertas: introduce mesh.h

Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/decl.h |  5 -----
 drivers/net/wireless/libertas/dev.h  | 12 +----------
 drivers/net/wireless/libertas/mesh.h | 32 ++++++++++++++++++++++++++++
 drivers/net/wireless/libertas/wext.h |  5 ++---
 4 files changed, 35 insertions(+), 19 deletions(-)
 create mode 100644 drivers/net/wireless/libertas/mesh.h

diff --git a/drivers/net/wireless/libertas/decl.h b/drivers/net/wireless/libertas/decl.h
index 678f7c9f750..cf3196a7343 100644
--- a/drivers/net/wireless/libertas/decl.h
+++ b/drivers/net/wireless/libertas/decl.h
@@ -27,11 +27,6 @@ netdev_tx_t lbs_hard_start_xmit(struct sk_buff *skb,
 int lbs_process_rxed_packet(struct lbs_private *priv, struct sk_buff *);
 
 
-/* persistcfg.c */
-void lbs_persist_config_init(struct net_device *net);
-void lbs_persist_config_remove(struct net_device *net);
-
-
 /* main.c */
 struct lbs_private *lbs_add_card(void *card, struct device *dmdev);
 void lbs_remove_card(struct lbs_private *priv);
diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
index 1a675111300..6a8d2b291d8 100644
--- a/drivers/net/wireless/libertas/dev.h
+++ b/drivers/net/wireless/libertas/dev.h
@@ -6,6 +6,7 @@
 #ifndef _LBS_DEV_H_
 #define _LBS_DEV_H_
 
+#include "mesh.h"
 #include "scan.h"
 #include "assoc.h"
 
@@ -21,17 +22,6 @@ struct sleep_params {
 	uint16_t sp_reserved;
 };
 
-/* Mesh statistics */
-struct lbs_mesh_stats {
-	u32	fwd_bcast_cnt;		/* Fwd: Broadcast counter */
-	u32	fwd_unicast_cnt;	/* Fwd: Unicast counter */
-	u32	fwd_drop_ttl;		/* Fwd: TTL zero */
-	u32	fwd_drop_rbt;		/* Fwd: Recently Broadcasted */
-	u32	fwd_drop_noroute; 	/* Fwd: No route to Destination */
-	u32	fwd_drop_nobuf;		/* Fwd: Run out of internal buffers */
-	u32	drop_blind;		/* Rx:  Dropped by blinding table */
-	u32	tx_failed_cnt;		/* Tx:  Failed transmissions */
-};
 
 /** Private structure for the MV device */
 struct lbs_private {
diff --git a/drivers/net/wireless/libertas/mesh.h b/drivers/net/wireless/libertas/mesh.h
new file mode 100644
index 00000000000..3708b6b386c
--- /dev/null
+++ b/drivers/net/wireless/libertas/mesh.h
@@ -0,0 +1,32 @@
+/**
+  * Contains all definitions needed for the Libertas' MESH implementation.
+  */
+#ifndef _LBS_MESH_H_
+#define _LBS_MESH_H_
+
+
+#include <net/iw_handler.h>
+
+
+/* Mesh statistics */
+struct lbs_mesh_stats {
+	u32	fwd_bcast_cnt;		/* Fwd: Broadcast counter */
+	u32	fwd_unicast_cnt;	/* Fwd: Unicast counter */
+	u32	fwd_drop_ttl;		/* Fwd: TTL zero */
+	u32	fwd_drop_rbt;		/* Fwd: Recently Broadcasted */
+	u32	fwd_drop_noroute; 	/* Fwd: No route to Destination */
+	u32	fwd_drop_nobuf;		/* Fwd: Run out of internal buffers */
+	u32	drop_blind;		/* Rx:  Dropped by blinding table */
+	u32	tx_failed_cnt;		/* Tx:  Failed transmissions */
+};
+
+
+struct net_device;
+
+void lbs_persist_config_init(struct net_device *net);
+void lbs_persist_config_remove(struct net_device *net);
+
+extern struct iw_handler_def mesh_handler_def;
+
+
+#endif
diff --git a/drivers/net/wireless/libertas/wext.h b/drivers/net/wireless/libertas/wext.h
index 7863baf7d23..f3f19fe8c6c 100644
--- a/drivers/net/wireless/libertas/wext.h
+++ b/drivers/net/wireless/libertas/wext.h
@@ -7,12 +7,11 @@
 void lbs_send_disconnect_notification(struct lbs_private *priv);
 void lbs_send_mic_failureevent(struct lbs_private *priv, u32 event);
 
-extern struct iw_handler_def lbs_handler_def;
-extern struct iw_handler_def mesh_handler_def;
-
 struct chan_freq_power *lbs_find_cfp_by_band_and_channel(
 	struct lbs_private *priv,
 	u8 band,
 	u16 channel);
 
+extern struct iw_handler_def lbs_handler_def;
+
 #endif
-- 
GitLab


From e0e42da3a4df6f487b59dad608db56e25001bcdb Mon Sep 17 00:00:00 2001
From: Holger Schurig <holgerschurig@gmail.com>
Date: Wed, 25 Nov 2009 13:10:15 +0100
Subject: [PATCH 1591/1815] libertas: moveing mesh-related functions into
 mesh.c

This moves mesh initialization, start/stop and rx/tx handling from
into mesh.c.

Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/decl.h |   3 +
 drivers/net/wireless/libertas/main.c | 357 +---------------------
 drivers/net/wireless/libertas/mesh.c | 441 ++++++++++++++++++++++++++-
 drivers/net/wireless/libertas/mesh.h |  24 ++
 drivers/net/wireless/libertas/rx.c   |  11 +-
 drivers/net/wireless/libertas/tx.c   |   7 +-
 6 files changed, 480 insertions(+), 363 deletions(-)

diff --git a/drivers/net/wireless/libertas/decl.h b/drivers/net/wireless/libertas/decl.h
index cf3196a7343..709ffcad22a 100644
--- a/drivers/net/wireless/libertas/decl.h
+++ b/drivers/net/wireless/libertas/decl.h
@@ -34,6 +34,9 @@ int lbs_start_card(struct lbs_private *priv);
 void lbs_stop_card(struct lbs_private *priv);
 void lbs_host_to_card_done(struct lbs_private *priv);
 
+int lbs_set_mac_address(struct net_device *dev, void *addr);
+void lbs_set_multicast_list(struct net_device *dev);
+
 int lbs_suspend(struct lbs_private *priv);
 void lbs_resume(struct lbs_private *priv);
 
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index 01f46cf288d..db38a5a719f 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -94,107 +94,9 @@ u8 lbs_data_rate_to_fw_index(u32 rate)
 	return 0;
 }
 
-/**
- * Attributes exported through sysfs
- */
-
-/**
- * @brief Get function for sysfs attribute anycast_mask
- */
-static ssize_t lbs_anycast_get(struct device *dev,
-		struct device_attribute *attr, char * buf)
-{
-	struct lbs_private *priv = to_net_dev(dev)->ml_priv;
-	struct cmd_ds_mesh_access mesh_access;
-	int ret;
-
-	memset(&mesh_access, 0, sizeof(mesh_access));
-
-	ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_ANYCAST, &mesh_access);
-	if (ret)
-		return ret;
-
-	return snprintf(buf, 12, "0x%X\n", le32_to_cpu(mesh_access.data[0]));
-}
-
-/**
- * @brief Set function for sysfs attribute anycast_mask
- */
-static ssize_t lbs_anycast_set(struct device *dev,
-		struct device_attribute *attr, const char * buf, size_t count)
-{
-	struct lbs_private *priv = to_net_dev(dev)->ml_priv;
-	struct cmd_ds_mesh_access mesh_access;
-	uint32_t datum;
-	int ret;
-
-	memset(&mesh_access, 0, sizeof(mesh_access));
-	sscanf(buf, "%x", &datum);
-	mesh_access.data[0] = cpu_to_le32(datum);
-
-	ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_ANYCAST, &mesh_access);
-	if (ret)
-		return ret;
-
-	return strlen(buf);
-}
-
-/**
- * @brief Get function for sysfs attribute prb_rsp_limit
- */
-static ssize_t lbs_prb_rsp_limit_get(struct device *dev,
-		struct device_attribute *attr, char *buf)
-{
-	struct lbs_private *priv = to_net_dev(dev)->ml_priv;
-	struct cmd_ds_mesh_access mesh_access;
-	int ret;
-	u32 retry_limit;
-
-	memset(&mesh_access, 0, sizeof(mesh_access));
-	mesh_access.data[0] = cpu_to_le32(CMD_ACT_GET);
-
-	ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_GET_PRB_RSP_LIMIT,
-			&mesh_access);
-	if (ret)
-		return ret;
-
-	retry_limit = le32_to_cpu(mesh_access.data[1]);
-	return snprintf(buf, 10, "%d\n", retry_limit);
-}
-
-/**
- * @brief Set function for sysfs attribute prb_rsp_limit
- */
-static ssize_t lbs_prb_rsp_limit_set(struct device *dev,
-		struct device_attribute *attr, const char *buf, size_t count)
-{
-	struct lbs_private *priv = to_net_dev(dev)->ml_priv;
-	struct cmd_ds_mesh_access mesh_access;
-	int ret;
-	unsigned long retry_limit;
-
-	memset(&mesh_access, 0, sizeof(mesh_access));
-	mesh_access.data[0] = cpu_to_le32(CMD_ACT_SET);
-
-	if (!strict_strtoul(buf, 10, &retry_limit))
-		return -ENOTSUPP;
-	if (retry_limit > 15)
-		return -ENOTSUPP;
-
-	mesh_access.data[1] = cpu_to_le32(retry_limit);
-
-	ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_GET_PRB_RSP_LIMIT,
-			&mesh_access);
-	if (ret)
-		return ret;
-
-	return strlen(buf);
-}
 
 static int lbs_add_rtap(struct lbs_private *priv);
 static void lbs_remove_rtap(struct lbs_private *priv);
-static int lbs_add_mesh(struct lbs_private *priv);
-static void lbs_remove_mesh(struct lbs_private *priv);
 
 
 /**
@@ -260,74 +162,7 @@ static ssize_t lbs_rtap_set(struct device *dev,
 static DEVICE_ATTR(lbs_rtap, 0644, lbs_rtap_get, lbs_rtap_set );
 
 /**
- * Get function for sysfs attribute mesh
- */
-static ssize_t lbs_mesh_get(struct device *dev,
-		struct device_attribute *attr, char * buf)
-{
-	struct lbs_private *priv = to_net_dev(dev)->ml_priv;
-	return snprintf(buf, 5, "0x%X\n", !!priv->mesh_dev);
-}
-
-/**
- *  Set function for sysfs attribute mesh
- */
-static ssize_t lbs_mesh_set(struct device *dev,
-		struct device_attribute *attr, const char * buf, size_t count)
-{
-	struct lbs_private *priv = to_net_dev(dev)->ml_priv;
-	int enable;
-	int ret, action = CMD_ACT_MESH_CONFIG_STOP;
-
-	sscanf(buf, "%x", &enable);
-	enable = !!enable;
-	if (enable == !!priv->mesh_dev)
-		return count;
-	if (enable)
-		action = CMD_ACT_MESH_CONFIG_START;
-	ret = lbs_mesh_config(priv, action, priv->channel);
-	if (ret)
-		return ret;
-
-	if (enable)
-		lbs_add_mesh(priv);
-	else
-		lbs_remove_mesh(priv);
-
-	return count;
-}
-
-/**
- * lbs_mesh attribute to be exported per ethX interface
- * through sysfs (/sys/class/net/ethX/lbs_mesh)
- */
-static DEVICE_ATTR(lbs_mesh, 0644, lbs_mesh_get, lbs_mesh_set);
-
-/**
- * anycast_mask attribute to be exported per mshX interface
- * through sysfs (/sys/class/net/mshX/anycast_mask)
- */
-static DEVICE_ATTR(anycast_mask, 0644, lbs_anycast_get, lbs_anycast_set);
-
-/**
- * prb_rsp_limit attribute to be exported per mshX interface
- * through sysfs (/sys/class/net/mshX/prb_rsp_limit)
- */
-static DEVICE_ATTR(prb_rsp_limit, 0644, lbs_prb_rsp_limit_get,
-		lbs_prb_rsp_limit_set);
-
-static struct attribute *lbs_mesh_sysfs_entries[] = {
-	&dev_attr_anycast_mask.attr,
-	&dev_attr_prb_rsp_limit.attr,
-	NULL,
-};
-
-static struct attribute_group lbs_mesh_attr_group = {
-	.attrs = lbs_mesh_sysfs_entries,
-};
-
-/**
- *  @brief This function opens the ethX or mshX interface
+ *  @brief This function opens the ethX interface
  *
  *  @param dev     A pointer to net_device structure
  *  @return 	   0 or -EBUSY if monitor mode active
@@ -346,18 +181,12 @@ static int lbs_dev_open(struct net_device *dev)
 		goto out;
 	}
 
-	if (dev == priv->mesh_dev) {
-		priv->mesh_open = 1;
-		priv->mesh_connect_status = LBS_CONNECTED;
-		netif_carrier_on(dev);
-	} else {
-		priv->infra_open = 1;
+	priv->infra_open = 1;
 
-		if (priv->connect_status == LBS_CONNECTED)
-			netif_carrier_on(dev);
-		else
-			netif_carrier_off(dev);
-	}
+	if (priv->connect_status == LBS_CONNECTED)
+		netif_carrier_on(dev);
+	else
+		netif_carrier_off(dev);
 
 	if (!priv->tx_pending_len)
 		netif_wake_queue(dev);
@@ -368,33 +197,6 @@ static int lbs_dev_open(struct net_device *dev)
 	return ret;
 }
 
-/**
- *  @brief This function closes the mshX interface
- *
- *  @param dev     A pointer to net_device structure
- *  @return 	   0
- */
-static int lbs_mesh_stop(struct net_device *dev)
-{
-	struct lbs_private *priv = dev->ml_priv;
-
-	lbs_deb_enter(LBS_DEB_MESH);
-	spin_lock_irq(&priv->driver_lock);
-
-	priv->mesh_open = 0;
-	priv->mesh_connect_status = LBS_DISCONNECTED;
-
-	netif_stop_queue(dev);
-	netif_carrier_off(dev);
-
-	spin_unlock_irq(&priv->driver_lock);
-
-	schedule_work(&priv->mcast_work);
-
-	lbs_deb_leave(LBS_DEB_MESH);
-	return 0;
-}
-
 /**
  *  @brief This function closes the ethX interface
  *
@@ -466,7 +268,7 @@ void lbs_host_to_card_done(struct lbs_private *priv)
 }
 EXPORT_SYMBOL_GPL(lbs_host_to_card_done);
 
-static int lbs_set_mac_address(struct net_device *dev, void *addr)
+int lbs_set_mac_address(struct net_device *dev, void *addr)
 {
 	int ret = 0;
 	struct lbs_private *priv = dev->ml_priv;
@@ -600,7 +402,7 @@ static void lbs_set_mcast_worker(struct work_struct *work)
 	lbs_deb_leave(LBS_DEB_NET);
 }
 
-static void lbs_set_multicast_list(struct net_device *dev)
+void lbs_set_multicast_list(struct net_device *dev)
 {
 	struct lbs_private *priv = dev->ml_priv;
 
@@ -1177,7 +979,6 @@ struct lbs_private *lbs_add_card(void *card, struct device *dmdev)
 
 
 	priv->card = card;
-	priv->mesh_open = 0;
 	priv->infra_open = 0;
 
 
@@ -1198,6 +999,7 @@ struct lbs_private *lbs_add_card(void *card, struct device *dmdev)
 	INIT_WORK(&priv->mcast_work, lbs_set_mcast_worker);
 	INIT_WORK(&priv->sync_channel, lbs_sync_channel_worker);
 
+	priv->mesh_open = 0;
 	sprintf(priv->mesh_ssid, "mesh");
 	priv->mesh_ssid_len = 4;
 
@@ -1292,50 +1094,12 @@ int lbs_start_card(struct lbs_private *priv)
 
 	lbs_update_channel(priv);
 
-	/* Check mesh FW version and appropriately send the mesh start
-	 * command
+	/*
+	 * While rtap isn't related to mesh, only mesh-enabled
+	 * firmware implements the rtap functionality via
+	 * CMD_802_11_MONITOR_MODE.
 	 */
-	if (priv->mesh_fw_ver == MESH_FW_OLD) {
-		/* Enable mesh, if supported, and work out which TLV it uses.
-		   0x100 + 291 is an unofficial value used in 5.110.20.pXX
-		   0x100 + 37 is the official value used in 5.110.21.pXX
-		   but we check them in that order because 20.pXX doesn't
-		   give an error -- it just silently fails. */
-
-		/* 5.110.20.pXX firmware will fail the command if the channel
-		   doesn't match the existing channel. But only if the TLV
-		   is correct. If the channel is wrong, _BOTH_ versions will
-		   give an error to 0x100+291, and allow 0x100+37 to succeed.
-		   It's just that 5.110.20.pXX will not have done anything
-		   useful */
-
-		priv->mesh_tlv = TLV_TYPE_OLD_MESH_ID;
-		if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
-				    priv->channel)) {
-			priv->mesh_tlv = TLV_TYPE_MESH_ID;
-			if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
-					    priv->channel))
-				priv->mesh_tlv = 0;
-		}
-	} else if (priv->mesh_fw_ver == MESH_FW_NEW) {
-		/* 10.0.0.pXX new firmwares should succeed with TLV
-		 * 0x100+37; Do not invoke command with old TLV.
-		 */
-		priv->mesh_tlv = TLV_TYPE_MESH_ID;
-		if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
-				    priv->channel))
-			priv->mesh_tlv = 0;
-	}
-	if (priv->mesh_tlv) {
-		lbs_add_mesh(priv);
-
-		if (device_create_file(&dev->dev, &dev_attr_lbs_mesh))
-			lbs_pr_err("cannot register lbs_mesh attribute\n");
-
-		/* While rtap isn't related to mesh, only mesh-enabled
-		 * firmware implements the rtap functionality via
-		 * CMD_802_11_MONITOR_MODE.
-		 */
+	if (lbs_init_mesh(priv)) {
 		if (device_create_file(&dev->dev, &dev_attr_lbs_rtap))
 			lbs_pr_err("cannot register lbs_rtap attribute\n");
 	}
@@ -1369,10 +1133,8 @@ void lbs_stop_card(struct lbs_private *priv)
 	netif_carrier_off(dev);
 
 	lbs_debugfs_remove_one(priv);
-	if (priv->mesh_tlv) {
-		device_remove_file(&dev->dev, &dev_attr_lbs_mesh);
+	if (lbs_deinit_mesh(priv))
 		device_remove_file(&dev->dev, &dev_attr_lbs_rtap);
-	}
 
 	/* Delete the timeout of the currently processing command */
 	del_timer_sync(&priv->command_timer);
@@ -1405,95 +1167,6 @@ out:
 EXPORT_SYMBOL_GPL(lbs_stop_card);
 
 
-static const struct net_device_ops mesh_netdev_ops = {
-	.ndo_open		= lbs_dev_open,
-	.ndo_stop 		= lbs_mesh_stop,
-	.ndo_start_xmit		= lbs_hard_start_xmit,
-	.ndo_set_mac_address	= lbs_set_mac_address,
-	.ndo_set_multicast_list = lbs_set_multicast_list,
-};
-
-/**
- * @brief This function adds mshX interface
- *
- *  @param priv    A pointer to the struct lbs_private structure
- *  @return 	   0 if successful, -X otherwise
- */
-static int lbs_add_mesh(struct lbs_private *priv)
-{
-	struct net_device *mesh_dev = NULL;
-	int ret = 0;
-
-	lbs_deb_enter(LBS_DEB_MESH);
-
-	/* Allocate a virtual mesh device */
-	if (!(mesh_dev = alloc_netdev(0, "msh%d", ether_setup))) {
-		lbs_deb_mesh("init mshX device failed\n");
-		ret = -ENOMEM;
-		goto done;
-	}
-	mesh_dev->ml_priv = priv;
-	priv->mesh_dev = mesh_dev;
-
-	mesh_dev->netdev_ops = &mesh_netdev_ops;
-	mesh_dev->ethtool_ops = &lbs_ethtool_ops;
-	memcpy(mesh_dev->dev_addr, priv->dev->dev_addr,
-			sizeof(priv->dev->dev_addr));
-
-	SET_NETDEV_DEV(priv->mesh_dev, priv->dev->dev.parent);
-
-#ifdef	WIRELESS_EXT
-	mesh_dev->wireless_handlers = (struct iw_handler_def *)&mesh_handler_def;
-#endif
-	mesh_dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
-	/* Register virtual mesh interface */
-	ret = register_netdev(mesh_dev);
-	if (ret) {
-		lbs_pr_err("cannot register mshX virtual interface\n");
-		goto err_free;
-	}
-
-	ret = sysfs_create_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group);
-	if (ret)
-		goto err_unregister;
-
-	lbs_persist_config_init(mesh_dev);
-
-	/* Everything successful */
-	ret = 0;
-	goto done;
-
-err_unregister:
-	unregister_netdev(mesh_dev);
-
-err_free:
-	free_netdev(mesh_dev);
-
-done:
-	lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret);
-	return ret;
-}
-
-static void lbs_remove_mesh(struct lbs_private *priv)
-{
-	struct net_device *mesh_dev;
-
-
-	mesh_dev = priv->mesh_dev;
-	if (!mesh_dev)
-		return;
-
-	lbs_deb_enter(LBS_DEB_MESH);
-	netif_stop_queue(mesh_dev);
-	netif_carrier_off(mesh_dev);
-	sysfs_remove_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group);
-	lbs_persist_config_remove(mesh_dev);
-	unregister_netdev(mesh_dev);
-	priv->mesh_dev = NULL;
-	free_netdev(mesh_dev);
-	lbs_deb_leave(LBS_DEB_MESH);
-}
-
 void lbs_queue_event(struct lbs_private *priv, u32 event)
 {
 	unsigned long flags;
diff --git a/drivers/net/wireless/libertas/mesh.c b/drivers/net/wireless/libertas/mesh.c
index 871f914a75f..80c2c7a31c8 100644
--- a/drivers/net/wireless/libertas/mesh.c
+++ b/drivers/net/wireless/libertas/mesh.c
@@ -6,15 +6,444 @@
 #include <linux/kthread.h>
 #include <linux/kfifo.h>
 
-#include "host.h"
+#include "mesh.h"
 #include "decl.h"
-#include "dev.h"
-#include "wext.h"
-#include "debugfs.h"
-#include "scan.h"
-#include "assoc.h"
 #include "cmd.h"
 
+
+/***************************************************************************
+ * Mesh sysfs support
+ */
+
+/**
+ * Attributes exported through sysfs
+ */
+
+/**
+ * @brief Get function for sysfs attribute anycast_mask
+ */
+static ssize_t lbs_anycast_get(struct device *dev,
+		struct device_attribute *attr, char * buf)
+{
+	struct lbs_private *priv = to_net_dev(dev)->ml_priv;
+	struct cmd_ds_mesh_access mesh_access;
+	int ret;
+
+	memset(&mesh_access, 0, sizeof(mesh_access));
+
+	ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_ANYCAST, &mesh_access);
+	if (ret)
+		return ret;
+
+	return snprintf(buf, 12, "0x%X\n", le32_to_cpu(mesh_access.data[0]));
+}
+
+/**
+ * @brief Set function for sysfs attribute anycast_mask
+ */
+static ssize_t lbs_anycast_set(struct device *dev,
+		struct device_attribute *attr, const char * buf, size_t count)
+{
+	struct lbs_private *priv = to_net_dev(dev)->ml_priv;
+	struct cmd_ds_mesh_access mesh_access;
+	uint32_t datum;
+	int ret;
+
+	memset(&mesh_access, 0, sizeof(mesh_access));
+	sscanf(buf, "%x", &datum);
+	mesh_access.data[0] = cpu_to_le32(datum);
+
+	ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_ANYCAST, &mesh_access);
+	if (ret)
+		return ret;
+
+	return strlen(buf);
+}
+
+/**
+ * @brief Get function for sysfs attribute prb_rsp_limit
+ */
+static ssize_t lbs_prb_rsp_limit_get(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct lbs_private *priv = to_net_dev(dev)->ml_priv;
+	struct cmd_ds_mesh_access mesh_access;
+	int ret;
+	u32 retry_limit;
+
+	memset(&mesh_access, 0, sizeof(mesh_access));
+	mesh_access.data[0] = cpu_to_le32(CMD_ACT_GET);
+
+	ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_GET_PRB_RSP_LIMIT,
+			&mesh_access);
+	if (ret)
+		return ret;
+
+	retry_limit = le32_to_cpu(mesh_access.data[1]);
+	return snprintf(buf, 10, "%d\n", retry_limit);
+}
+
+/**
+ * @brief Set function for sysfs attribute prb_rsp_limit
+ */
+static ssize_t lbs_prb_rsp_limit_set(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct lbs_private *priv = to_net_dev(dev)->ml_priv;
+	struct cmd_ds_mesh_access mesh_access;
+	int ret;
+	unsigned long retry_limit;
+
+	memset(&mesh_access, 0, sizeof(mesh_access));
+	mesh_access.data[0] = cpu_to_le32(CMD_ACT_SET);
+
+	if (!strict_strtoul(buf, 10, &retry_limit))
+		return -ENOTSUPP;
+	if (retry_limit > 15)
+		return -ENOTSUPP;
+
+	mesh_access.data[1] = cpu_to_le32(retry_limit);
+
+	ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_GET_PRB_RSP_LIMIT,
+			&mesh_access);
+	if (ret)
+		return ret;
+
+	return strlen(buf);
+}
+
+/**
+ * Get function for sysfs attribute mesh
+ */
+static ssize_t lbs_mesh_get(struct device *dev,
+		struct device_attribute *attr, char * buf)
+{
+	struct lbs_private *priv = to_net_dev(dev)->ml_priv;
+	return snprintf(buf, 5, "0x%X\n", !!priv->mesh_dev);
+}
+
+/**
+ *  Set function for sysfs attribute mesh
+ */
+static ssize_t lbs_mesh_set(struct device *dev,
+		struct device_attribute *attr, const char * buf, size_t count)
+{
+	struct lbs_private *priv = to_net_dev(dev)->ml_priv;
+	int enable;
+	int ret, action = CMD_ACT_MESH_CONFIG_STOP;
+
+	sscanf(buf, "%x", &enable);
+	enable = !!enable;
+	if (enable == !!priv->mesh_dev)
+		return count;
+	if (enable)
+		action = CMD_ACT_MESH_CONFIG_START;
+	ret = lbs_mesh_config(priv, action, priv->channel);
+	if (ret)
+		return ret;
+
+	if (enable)
+		lbs_add_mesh(priv);
+	else
+		lbs_remove_mesh(priv);
+
+	return count;
+}
+
+/**
+ * lbs_mesh attribute to be exported per ethX interface
+ * through sysfs (/sys/class/net/ethX/lbs_mesh)
+ */
+static DEVICE_ATTR(lbs_mesh, 0644, lbs_mesh_get, lbs_mesh_set);
+
+/**
+ * anycast_mask attribute to be exported per mshX interface
+ * through sysfs (/sys/class/net/mshX/anycast_mask)
+ */
+static DEVICE_ATTR(anycast_mask, 0644, lbs_anycast_get, lbs_anycast_set);
+
+/**
+ * prb_rsp_limit attribute to be exported per mshX interface
+ * through sysfs (/sys/class/net/mshX/prb_rsp_limit)
+ */
+static DEVICE_ATTR(prb_rsp_limit, 0644, lbs_prb_rsp_limit_get,
+		lbs_prb_rsp_limit_set);
+
+static struct attribute *lbs_mesh_sysfs_entries[] = {
+	&dev_attr_anycast_mask.attr,
+	&dev_attr_prb_rsp_limit.attr,
+	NULL,
+};
+
+static struct attribute_group lbs_mesh_attr_group = {
+	.attrs = lbs_mesh_sysfs_entries,
+};
+
+
+
+/***************************************************************************
+ * Initializing and starting, stopping mesh
+ */
+
+/*
+ * Check mesh FW version and appropriately send the mesh start
+ * command
+ */
+int lbs_init_mesh(struct lbs_private *priv)
+{
+	struct net_device *dev = priv->dev;
+	int ret = 0;
+
+	lbs_deb_enter(LBS_DEB_MESH);
+
+	if (priv->mesh_fw_ver == MESH_FW_OLD) {
+		/* Enable mesh, if supported, and work out which TLV it uses.
+		   0x100 + 291 is an unofficial value used in 5.110.20.pXX
+		   0x100 + 37 is the official value used in 5.110.21.pXX
+		   but we check them in that order because 20.pXX doesn't
+		   give an error -- it just silently fails. */
+
+		/* 5.110.20.pXX firmware will fail the command if the channel
+		   doesn't match the existing channel. But only if the TLV
+		   is correct. If the channel is wrong, _BOTH_ versions will
+		   give an error to 0x100+291, and allow 0x100+37 to succeed.
+		   It's just that 5.110.20.pXX will not have done anything
+		   useful */
+
+		priv->mesh_tlv = TLV_TYPE_OLD_MESH_ID;
+		if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
+				    priv->channel)) {
+			priv->mesh_tlv = TLV_TYPE_MESH_ID;
+			if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
+					    priv->channel))
+				priv->mesh_tlv = 0;
+		}
+	} else if (priv->mesh_fw_ver == MESH_FW_NEW) {
+		/* 10.0.0.pXX new firmwares should succeed with TLV
+		 * 0x100+37; Do not invoke command with old TLV.
+		 */
+		priv->mesh_tlv = TLV_TYPE_MESH_ID;
+		if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
+				    priv->channel))
+			priv->mesh_tlv = 0;
+	}
+	if (priv->mesh_tlv) {
+		lbs_add_mesh(priv);
+
+		if (device_create_file(&dev->dev, &dev_attr_lbs_mesh))
+			lbs_pr_err("cannot register lbs_mesh attribute\n");
+
+		ret = 1;
+	}
+
+	lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret);
+	return ret;
+}
+
+
+int lbs_deinit_mesh(struct lbs_private *priv)
+{
+	struct net_device *dev = priv->dev;
+	int ret = 0;
+
+	lbs_deb_enter(LBS_DEB_MESH);
+
+	if (priv->mesh_tlv) {
+		device_remove_file(&dev->dev, &dev_attr_lbs_mesh);
+		ret = 1;
+	}
+
+	lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret);
+	return ret;
+}
+
+
+/**
+ *  @brief This function closes the mshX interface
+ *
+ *  @param dev     A pointer to net_device structure
+ *  @return 	   0
+ */
+static int lbs_mesh_stop(struct net_device *dev)
+{
+	struct lbs_private *priv = dev->ml_priv;
+
+	lbs_deb_enter(LBS_DEB_MESH);
+	spin_lock_irq(&priv->driver_lock);
+
+	priv->mesh_open = 0;
+	priv->mesh_connect_status = LBS_DISCONNECTED;
+
+	netif_stop_queue(dev);
+	netif_carrier_off(dev);
+
+	spin_unlock_irq(&priv->driver_lock);
+
+	schedule_work(&priv->mcast_work);
+
+	lbs_deb_leave(LBS_DEB_MESH);
+	return 0;
+}
+
+/**
+ *  @brief This function opens the mshX interface
+ *
+ *  @param dev     A pointer to net_device structure
+ *  @return 	   0 or -EBUSY if monitor mode active
+ */
+static int lbs_mesh_dev_open(struct net_device *dev)
+{
+	struct lbs_private *priv = dev->ml_priv;
+	int ret = 0;
+
+	lbs_deb_enter(LBS_DEB_NET);
+
+	spin_lock_irq(&priv->driver_lock);
+
+	if (priv->monitormode) {
+		ret = -EBUSY;
+		goto out;
+	}
+
+	priv->mesh_open = 1;
+	priv->mesh_connect_status = LBS_CONNECTED;
+	netif_carrier_on(dev);
+
+	if (!priv->tx_pending_len)
+		netif_wake_queue(dev);
+ out:
+
+	spin_unlock_irq(&priv->driver_lock);
+	lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret);
+	return ret;
+}
+
+static const struct net_device_ops mesh_netdev_ops = {
+	.ndo_open		= lbs_mesh_dev_open,
+	.ndo_stop 		= lbs_mesh_stop,
+	.ndo_start_xmit		= lbs_hard_start_xmit,
+	.ndo_set_mac_address	= lbs_set_mac_address,
+	.ndo_set_multicast_list = lbs_set_multicast_list,
+};
+
+/**
+ * @brief This function adds mshX interface
+ *
+ *  @param priv    A pointer to the struct lbs_private structure
+ *  @return 	   0 if successful, -X otherwise
+ */
+int lbs_add_mesh(struct lbs_private *priv)
+{
+	struct net_device *mesh_dev = NULL;
+	int ret = 0;
+
+	lbs_deb_enter(LBS_DEB_MESH);
+
+	/* Allocate a virtual mesh device */
+	mesh_dev = alloc_netdev(0, "msh%d", ether_setup);
+	if (!mesh_dev) {
+		lbs_deb_mesh("init mshX device failed\n");
+		ret = -ENOMEM;
+		goto done;
+	}
+	mesh_dev->ml_priv = priv;
+	priv->mesh_dev = mesh_dev;
+
+	mesh_dev->netdev_ops = &mesh_netdev_ops;
+	mesh_dev->ethtool_ops = &lbs_ethtool_ops;
+	memcpy(mesh_dev->dev_addr, priv->dev->dev_addr,
+			sizeof(priv->dev->dev_addr));
+
+	SET_NETDEV_DEV(priv->mesh_dev, priv->dev->dev.parent);
+
+#ifdef	WIRELESS_EXT
+	mesh_dev->wireless_handlers = &mesh_handler_def;
+#endif
+	mesh_dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
+	/* Register virtual mesh interface */
+	ret = register_netdev(mesh_dev);
+	if (ret) {
+		lbs_pr_err("cannot register mshX virtual interface\n");
+		goto err_free;
+	}
+
+	ret = sysfs_create_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group);
+	if (ret)
+		goto err_unregister;
+
+	lbs_persist_config_init(mesh_dev);
+
+	/* Everything successful */
+	ret = 0;
+	goto done;
+
+err_unregister:
+	unregister_netdev(mesh_dev);
+
+err_free:
+	free_netdev(mesh_dev);
+
+done:
+	lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret);
+	return ret;
+}
+
+void lbs_remove_mesh(struct lbs_private *priv)
+{
+	struct net_device *mesh_dev;
+
+	mesh_dev = priv->mesh_dev;
+	if (!mesh_dev)
+		return;
+
+	lbs_deb_enter(LBS_DEB_MESH);
+	netif_stop_queue(mesh_dev);
+	netif_carrier_off(mesh_dev);
+	sysfs_remove_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group);
+	lbs_persist_config_remove(mesh_dev);
+	unregister_netdev(mesh_dev);
+	priv->mesh_dev = NULL;
+	free_netdev(mesh_dev);
+	lbs_deb_leave(LBS_DEB_MESH);
+}
+
+
+
+/***************************************************************************
+ * Sending and receiving
+ */
+struct net_device *lbs_mesh_set_dev(struct lbs_private *priv,
+	struct net_device *dev, struct rxpd *rxpd)
+{
+	if (priv->mesh_dev) {
+		if (priv->mesh_fw_ver == MESH_FW_OLD) {
+			if (rxpd->rx_control & RxPD_MESH_FRAME)
+				dev = priv->mesh_dev;
+		} else if (priv->mesh_fw_ver == MESH_FW_NEW) {
+			if (rxpd->u.bss.bss_num == MESH_IFACE_ID)
+				dev = priv->mesh_dev;
+		}
+	}
+	return dev;
+}
+
+
+void lbs_mesh_set_txpd(struct lbs_private *priv,
+	struct net_device *dev, struct txpd *txpd)
+{
+	if (dev == priv->mesh_dev) {
+		if (priv->mesh_fw_ver == MESH_FW_OLD)
+			txpd->tx_control |= cpu_to_le32(TxPD_MESH_FRAME);
+		else if (priv->mesh_fw_ver == MESH_FW_NEW)
+			txpd->u.bss.bss_num = MESH_IFACE_ID;
+	}
+}
+
+
+/***************************************************************************
+ * Persistent configuration support
+ */
+
 static int mesh_get_default_parameters(struct device *dev,
 				       struct mrvl_mesh_defaults *defs)
 {
diff --git a/drivers/net/wireless/libertas/mesh.h b/drivers/net/wireless/libertas/mesh.h
index 3708b6b386c..d683c6eef83 100644
--- a/drivers/net/wireless/libertas/mesh.h
+++ b/drivers/net/wireless/libertas/mesh.h
@@ -22,10 +22,34 @@ struct lbs_mesh_stats {
 
 
 struct net_device;
+struct lbs_private;
+
+int lbs_init_mesh(struct lbs_private *priv);
+int lbs_deinit_mesh(struct lbs_private *priv);
+
+int lbs_add_mesh(struct lbs_private *priv);
+void lbs_remove_mesh(struct lbs_private *priv);
+
+
+/* Sending / Receiving */
+
+struct rxpd;
+struct txpd;
+
+struct net_device *lbs_mesh_set_dev(struct lbs_private *priv,
+	struct net_device *dev, struct rxpd *rxpd);
+void lbs_mesh_set_txpd(struct lbs_private *priv,
+	struct net_device *dev, struct txpd *txpd);
+
+
+/* Persistent configuration */
 
 void lbs_persist_config_init(struct net_device *net);
 void lbs_persist_config_remove(struct net_device *net);
 
+
+/* WEXT handler */
+
 extern struct iw_handler_def mesh_handler_def;
 
 
diff --git a/drivers/net/wireless/libertas/rx.c b/drivers/net/wireless/libertas/rx.c
index 9f18a19cc49..2daf8ffdb7e 100644
--- a/drivers/net/wireless/libertas/rx.c
+++ b/drivers/net/wireless/libertas/rx.c
@@ -160,15 +160,8 @@ int lbs_process_rxed_packet(struct lbs_private *priv, struct sk_buff *skb)
 	p_rx_pd = (struct rxpd *) skb->data;
 	p_rx_pkt = (struct rxpackethdr *) ((u8 *)p_rx_pd +
 		le32_to_cpu(p_rx_pd->pkt_ptr));
-	if (priv->mesh_dev) {
-		if (priv->mesh_fw_ver == MESH_FW_OLD) {
-			if (p_rx_pd->rx_control & RxPD_MESH_FRAME)
-				dev = priv->mesh_dev;
-		} else if (priv->mesh_fw_ver == MESH_FW_NEW) {
-			if (p_rx_pd->u.bss.bss_num == MESH_IFACE_ID)
-				dev = priv->mesh_dev;
-		}
-	}
+
+	dev = lbs_mesh_set_dev(priv, dev, p_rx_pd);
 
 	lbs_deb_hex(LBS_DEB_RX, "RX Data: Before chop rxpd", skb->data,
 		 min_t(unsigned int, skb->len, 100));
diff --git a/drivers/net/wireless/libertas/tx.c b/drivers/net/wireless/libertas/tx.c
index eb856adbf8e..315d1ce286c 100644
--- a/drivers/net/wireless/libertas/tx.c
+++ b/drivers/net/wireless/libertas/tx.c
@@ -131,12 +131,7 @@ netdev_tx_t lbs_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	txpd->tx_packet_length = cpu_to_le16(pkt_len);
 	txpd->tx_packet_location = cpu_to_le32(sizeof(struct txpd));
 
-	if (dev == priv->mesh_dev) {
-		if (priv->mesh_fw_ver == MESH_FW_OLD)
-			txpd->tx_control |= cpu_to_le32(TxPD_MESH_FRAME);
-		else if (priv->mesh_fw_ver == MESH_FW_NEW)
-			txpd->u.bss.bss_num = MESH_IFACE_ID;
-	}
+	lbs_mesh_set_txpd(priv, dev, txpd);
 
 	lbs_deb_hex(LBS_DEB_TX, "txpd", (u8 *) &txpd, sizeof(struct txpd));
 
-- 
GitLab


From c7fe64cf4a08561a9e8f57e6018a504881236e34 Mon Sep 17 00:00:00 2001
From: Holger Schurig <holgerschurig@gmail.com>
Date: Wed, 25 Nov 2009 13:10:49 +0100
Subject: [PATCH 1592/1815] libertas: move mesh-only ethtool operations into
 mesh.c

Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/ethtool.c | 84 ++-----------------------
 drivers/net/wireless/libertas/mesh.c    | 84 +++++++++++++++++++++++++
 drivers/net/wireless/libertas/mesh.h    | 11 ++++
 3 files changed, 99 insertions(+), 80 deletions(-)

diff --git a/drivers/net/wireless/libertas/ethtool.c b/drivers/net/wireless/libertas/ethtool.c
index 53d56ab83c0..63d020374c2 100644
--- a/drivers/net/wireless/libertas/ethtool.c
+++ b/drivers/net/wireless/libertas/ethtool.c
@@ -8,17 +8,8 @@
 #include "dev.h"
 #include "wext.h"
 #include "cmd.h"
+#include "mesh.h"
 
-static const char * mesh_stat_strings[]= {
-			"drop_duplicate_bcast",
-			"drop_ttl_zero",
-			"drop_no_fwd_route",
-			"drop_no_buffers",
-			"fwded_unicast_cnt",
-			"fwded_bcast_cnt",
-			"drop_blind_table",
-			"tx_failed_cnt"
-};
 
 static void lbs_ethtool_get_drvinfo(struct net_device *dev,
 					 struct ethtool_drvinfo *info)
@@ -73,73 +64,6 @@ out:
         return ret;
 }
 
-static void lbs_ethtool_get_stats(struct net_device *dev,
-				  struct ethtool_stats *stats, uint64_t *data)
-{
-	struct lbs_private *priv = dev->ml_priv;
-	struct cmd_ds_mesh_access mesh_access;
-	int ret;
-
-	lbs_deb_enter(LBS_DEB_ETHTOOL);
-
-	/* Get Mesh Statistics */
-	ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_STATS, &mesh_access);
-
-	if (ret) {
-		memset(data, 0, MESH_STATS_NUM*(sizeof(uint64_t)));
-		return;
-	}
-
-	priv->mstats.fwd_drop_rbt = le32_to_cpu(mesh_access.data[0]);
-	priv->mstats.fwd_drop_ttl = le32_to_cpu(mesh_access.data[1]);
-	priv->mstats.fwd_drop_noroute = le32_to_cpu(mesh_access.data[2]);
-	priv->mstats.fwd_drop_nobuf = le32_to_cpu(mesh_access.data[3]);
-	priv->mstats.fwd_unicast_cnt = le32_to_cpu(mesh_access.data[4]);
-	priv->mstats.fwd_bcast_cnt = le32_to_cpu(mesh_access.data[5]);
-	priv->mstats.drop_blind = le32_to_cpu(mesh_access.data[6]);
-	priv->mstats.tx_failed_cnt = le32_to_cpu(mesh_access.data[7]);
-
-	data[0] = priv->mstats.fwd_drop_rbt;
-	data[1] = priv->mstats.fwd_drop_ttl;
-	data[2] = priv->mstats.fwd_drop_noroute;
-	data[3] = priv->mstats.fwd_drop_nobuf;
-	data[4] = priv->mstats.fwd_unicast_cnt;
-	data[5] = priv->mstats.fwd_bcast_cnt;
-	data[6] = priv->mstats.drop_blind;
-	data[7] = priv->mstats.tx_failed_cnt;
-
-	lbs_deb_enter(LBS_DEB_ETHTOOL);
-}
-
-static int lbs_ethtool_get_sset_count(struct net_device *dev, int sset)
-{
-	struct lbs_private *priv = dev->ml_priv;
-
-	if (sset == ETH_SS_STATS && dev == priv->mesh_dev)
-		return MESH_STATS_NUM;
-
-	return -EOPNOTSUPP;
-}
-
-static void lbs_ethtool_get_strings(struct net_device *dev,
-				    uint32_t stringset, uint8_t *s)
-{
-	int i;
-
-	lbs_deb_enter(LBS_DEB_ETHTOOL);
-
-	switch (stringset) {
-        case ETH_SS_STATS:
-		for (i=0; i < MESH_STATS_NUM; i++) {
-			memcpy(s + i * ETH_GSTRING_LEN,
-					mesh_stat_strings[i],
-					ETH_GSTRING_LEN);
-		}
-		break;
-        }
-	lbs_deb_enter(LBS_DEB_ETHTOOL);
-}
-
 static void lbs_ethtool_get_wol(struct net_device *dev,
 				struct ethtool_wolinfo *wol)
 {
@@ -190,9 +114,9 @@ const struct ethtool_ops lbs_ethtool_ops = {
 	.get_drvinfo = lbs_ethtool_get_drvinfo,
 	.get_eeprom =  lbs_ethtool_get_eeprom,
 	.get_eeprom_len = lbs_ethtool_get_eeprom_len,
-	.get_sset_count = lbs_ethtool_get_sset_count,
-	.get_ethtool_stats = lbs_ethtool_get_stats,
-	.get_strings = lbs_ethtool_get_strings,
+	.get_sset_count = lbs_mesh_ethtool_get_sset_count,
+	.get_ethtool_stats = lbs_mesh_ethtool_get_stats,
+	.get_strings = lbs_mesh_ethtool_get_strings,
 	.get_wol = lbs_ethtool_get_wol,
 	.set_wol = lbs_ethtool_set_wol,
 };
diff --git a/drivers/net/wireless/libertas/mesh.c b/drivers/net/wireless/libertas/mesh.c
index 80c2c7a31c8..3e12060a647 100644
--- a/drivers/net/wireless/libertas/mesh.c
+++ b/drivers/net/wireless/libertas/mesh.c
@@ -880,3 +880,87 @@ void lbs_persist_config_remove(struct net_device *dev)
 	sysfs_remove_group(&(dev->dev.kobj), &boot_opts_group);
 	sysfs_remove_group(&(dev->dev.kobj), &mesh_ie_group);
 }
+
+
+
+/***************************************************************************
+ * Ethtool related
+ */
+
+static const char *mesh_stat_strings[] = {
+			"drop_duplicate_bcast",
+			"drop_ttl_zero",
+			"drop_no_fwd_route",
+			"drop_no_buffers",
+			"fwded_unicast_cnt",
+			"fwded_bcast_cnt",
+			"drop_blind_table",
+			"tx_failed_cnt"
+};
+
+void lbs_mesh_ethtool_get_stats(struct net_device *dev,
+	struct ethtool_stats *stats, uint64_t *data)
+{
+	struct lbs_private *priv = dev->ml_priv;
+	struct cmd_ds_mesh_access mesh_access;
+	int ret;
+
+	lbs_deb_enter(LBS_DEB_ETHTOOL);
+
+	/* Get Mesh Statistics */
+	ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_STATS, &mesh_access);
+
+	if (ret) {
+		memset(data, 0, MESH_STATS_NUM*(sizeof(uint64_t)));
+		return;
+	}
+
+	priv->mstats.fwd_drop_rbt = le32_to_cpu(mesh_access.data[0]);
+	priv->mstats.fwd_drop_ttl = le32_to_cpu(mesh_access.data[1]);
+	priv->mstats.fwd_drop_noroute = le32_to_cpu(mesh_access.data[2]);
+	priv->mstats.fwd_drop_nobuf = le32_to_cpu(mesh_access.data[3]);
+	priv->mstats.fwd_unicast_cnt = le32_to_cpu(mesh_access.data[4]);
+	priv->mstats.fwd_bcast_cnt = le32_to_cpu(mesh_access.data[5]);
+	priv->mstats.drop_blind = le32_to_cpu(mesh_access.data[6]);
+	priv->mstats.tx_failed_cnt = le32_to_cpu(mesh_access.data[7]);
+
+	data[0] = priv->mstats.fwd_drop_rbt;
+	data[1] = priv->mstats.fwd_drop_ttl;
+	data[2] = priv->mstats.fwd_drop_noroute;
+	data[3] = priv->mstats.fwd_drop_nobuf;
+	data[4] = priv->mstats.fwd_unicast_cnt;
+	data[5] = priv->mstats.fwd_bcast_cnt;
+	data[6] = priv->mstats.drop_blind;
+	data[7] = priv->mstats.tx_failed_cnt;
+
+	lbs_deb_enter(LBS_DEB_ETHTOOL);
+}
+
+int lbs_mesh_ethtool_get_sset_count(struct net_device *dev, int sset)
+{
+	struct lbs_private *priv = dev->ml_priv;
+
+	if (sset == ETH_SS_STATS && dev == priv->mesh_dev)
+		return MESH_STATS_NUM;
+
+	return -EOPNOTSUPP;
+}
+
+void lbs_mesh_ethtool_get_strings(struct net_device *dev,
+	uint32_t stringset, uint8_t *s)
+{
+	int i;
+
+	lbs_deb_enter(LBS_DEB_ETHTOOL);
+
+	switch (stringset) {
+	case ETH_SS_STATS:
+		for (i = 0; i < MESH_STATS_NUM; i++) {
+			memcpy(s + i * ETH_GSTRING_LEN,
+					mesh_stat_strings[i],
+					ETH_GSTRING_LEN);
+		}
+		break;
+	}
+	lbs_deb_enter(LBS_DEB_ETHTOOL);
+}
diff --git a/drivers/net/wireless/libertas/mesh.h b/drivers/net/wireless/libertas/mesh.h
index d683c6eef83..23b38ba26cd 100644
--- a/drivers/net/wireless/libertas/mesh.h
+++ b/drivers/net/wireless/libertas/mesh.h
@@ -53,4 +53,15 @@ void lbs_persist_config_remove(struct net_device *net);
 extern struct iw_handler_def mesh_handler_def;
 
 
+/* Ethtool statistics */
+
+struct ethtool_stats;
+
+void lbs_mesh_ethtool_get_stats(struct net_device *dev,
+	struct ethtool_stats *stats, uint64_t *data);
+int lbs_mesh_ethtool_get_sset_count(struct net_device *dev, int sset);
+void lbs_mesh_ethtool_get_strings(struct net_device *dev,
+	uint32_t stringset, uint8_t *s);
+
+
 #endif
-- 
GitLab


From ece1e3c61e59ba184150e5aff57bbc6355613e3e Mon Sep 17 00:00:00 2001
From: Holger Schurig <holgerschurig@gmail.com>
Date: Wed, 25 Nov 2009 13:11:16 +0100
Subject: [PATCH 1593/1815] libertas: move mesh command handling into mesh.c

Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/cmd.c  | 168 -------------------------
 drivers/net/wireless/libertas/mesh.c | 175 +++++++++++++++++++++++++++
 drivers/net/wireless/libertas/mesh.h |  11 ++
 3 files changed, 186 insertions(+), 168 deletions(-)

diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index 1065ce29cd0..b9b371bfa30 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -3,7 +3,6 @@
   * It prepares command and sends it to firmware when it is ready.
   */
 
-#include <net/lib80211.h>
 #include <linux/kfifo.h>
 #include <linux/sched.h>
 
@@ -697,173 +696,6 @@ static int lbs_cmd_reg_access(struct cmd_ds_command *cmdptr,
 	return 0;
 }
 
-static int lbs_cmd_bt_access(struct cmd_ds_command *cmd,
-			       u16 cmd_action, void *pdata_buf)
-{
-	struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
-	lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
-
-	cmd->command = cpu_to_le16(CMD_BT_ACCESS);
-	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) +
-		sizeof(struct cmd_header));
-	cmd->result = 0;
-	bt_access->action = cpu_to_le16(cmd_action);
-
-	switch (cmd_action) {
-	case CMD_ACT_BT_ACCESS_ADD:
-		memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
-		lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6);
-		break;
-	case CMD_ACT_BT_ACCESS_DEL:
-		memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
-		lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", bt_access->addr1, 6);
-		break;
-	case CMD_ACT_BT_ACCESS_LIST:
-		bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
-		break;
-	case CMD_ACT_BT_ACCESS_RESET:
-		break;
-	case CMD_ACT_BT_ACCESS_SET_INVERT:
-		bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
-		break;
-	case CMD_ACT_BT_ACCESS_GET_INVERT:
-		break;
-	default:
-		break;
-	}
-	lbs_deb_leave(LBS_DEB_CMD);
-	return 0;
-}
-
-static int lbs_cmd_fwt_access(struct cmd_ds_command *cmd,
-			       u16 cmd_action, void *pdata_buf)
-{
-	struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
-	lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
-
-	cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
-	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) +
-		sizeof(struct cmd_header));
-	cmd->result = 0;
-
-	if (pdata_buf)
-		memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
-	else
-		memset(fwt_access, 0, sizeof(*fwt_access));
-
-	fwt_access->action = cpu_to_le16(cmd_action);
-
-	lbs_deb_leave(LBS_DEB_CMD);
-	return 0;
-}
-
-int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
-		    struct cmd_ds_mesh_access *cmd)
-{
-	int ret;
-
-	lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
-
-	cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
-	cmd->hdr.size = cpu_to_le16(sizeof(*cmd));
-	cmd->hdr.result = 0;
-
-	cmd->action = cpu_to_le16(cmd_action);
-
-	ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, cmd);
-
-	lbs_deb_leave(LBS_DEB_CMD);
-	return ret;
-}
-
-static int __lbs_mesh_config_send(struct lbs_private *priv,
-				  struct cmd_ds_mesh_config *cmd,
-				  uint16_t action, uint16_t type)
-{
-	int ret;
-	u16 command = CMD_MESH_CONFIG_OLD;
-
-	lbs_deb_enter(LBS_DEB_CMD);
-
-	/*
-	 * Command id is 0xac for v10 FW along with mesh interface
-	 * id in bits 14-13-12.
-	 */
-	if (priv->mesh_fw_ver == MESH_FW_NEW)
-		command = CMD_MESH_CONFIG |
-			  (MESH_IFACE_ID << MESH_IFACE_BIT_OFFSET);
-
-	cmd->hdr.command = cpu_to_le16(command);
-	cmd->hdr.size = cpu_to_le16(sizeof(struct cmd_ds_mesh_config));
-	cmd->hdr.result = 0;
-
-	cmd->type = cpu_to_le16(type);
-	cmd->action = cpu_to_le16(action);
-
-	ret = lbs_cmd_with_response(priv, command, cmd);
-
-	lbs_deb_leave(LBS_DEB_CMD);
-	return ret;
-}
-
-int lbs_mesh_config_send(struct lbs_private *priv,
-			 struct cmd_ds_mesh_config *cmd,
-			 uint16_t action, uint16_t type)
-{
-	int ret;
-
-	if (!(priv->fwcapinfo & FW_CAPINFO_PERSISTENT_CONFIG))
-		return -EOPNOTSUPP;
-
-	ret = __lbs_mesh_config_send(priv, cmd, action, type);
-	return ret;
-}
-
-/* This function is the CMD_MESH_CONFIG legacy function.  It only handles the
- * START and STOP actions.  The extended actions supported by CMD_MESH_CONFIG
- * are all handled by preparing a struct cmd_ds_mesh_config and passing it to
- * lbs_mesh_config_send.
- */
-int lbs_mesh_config(struct lbs_private *priv, uint16_t action, uint16_t chan)
-{
-	struct cmd_ds_mesh_config cmd;
-	struct mrvl_meshie *ie;
-	DECLARE_SSID_BUF(ssid);
-
-	memset(&cmd, 0, sizeof(cmd));
-	cmd.channel = cpu_to_le16(chan);
-	ie = (struct mrvl_meshie *)cmd.data;
-
-	switch (action) {
-	case CMD_ACT_MESH_CONFIG_START:
-		ie->id = WLAN_EID_GENERIC;
-		ie->val.oui[0] = 0x00;
-		ie->val.oui[1] = 0x50;
-		ie->val.oui[2] = 0x43;
-		ie->val.type = MARVELL_MESH_IE_TYPE;
-		ie->val.subtype = MARVELL_MESH_IE_SUBTYPE;
-		ie->val.version = MARVELL_MESH_IE_VERSION;
-		ie->val.active_protocol_id = MARVELL_MESH_PROTO_ID_HWMP;
-		ie->val.active_metric_id = MARVELL_MESH_METRIC_ID;
-		ie->val.mesh_capability = MARVELL_MESH_CAPABILITY;
-		ie->val.mesh_id_len = priv->mesh_ssid_len;
-		memcpy(ie->val.mesh_id, priv->mesh_ssid, priv->mesh_ssid_len);
-		ie->len = sizeof(struct mrvl_meshie_val) -
-			IEEE80211_MAX_SSID_LEN + priv->mesh_ssid_len;
-		cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie_val));
-		break;
-	case CMD_ACT_MESH_CONFIG_STOP:
-		break;
-	default:
-		return -1;
-	}
-	lbs_deb_cmd("mesh config action %d type %x channel %d SSID %s\n",
-		    action, priv->mesh_tlv, chan,
-		    print_ssid(ssid, priv->mesh_ssid, priv->mesh_ssid_len));
-
-	return __lbs_mesh_config_send(priv, &cmd, action, priv->mesh_tlv);
-}
-
 static void lbs_queue_cmd(struct lbs_private *priv,
 			  struct cmd_ctrl_node *cmdnode)
 {
diff --git a/drivers/net/wireless/libertas/mesh.c b/drivers/net/wireless/libertas/mesh.c
index 3e12060a647..2f91c9b808a 100644
--- a/drivers/net/wireless/libertas/mesh.c
+++ b/drivers/net/wireless/libertas/mesh.c
@@ -440,6 +440,181 @@ void lbs_mesh_set_txpd(struct lbs_private *priv,
 }
 
 
+/***************************************************************************
+ * Mesh command handling
+ */
+
+int lbs_cmd_bt_access(struct cmd_ds_command *cmd,
+			       u16 cmd_action, void *pdata_buf)
+{
+	struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
+	lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
+
+	cmd->command = cpu_to_le16(CMD_BT_ACCESS);
+	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) +
+		sizeof(struct cmd_header));
+	cmd->result = 0;
+	bt_access->action = cpu_to_le16(cmd_action);
+
+	switch (cmd_action) {
+	case CMD_ACT_BT_ACCESS_ADD:
+		memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
+		lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr",
+			bt_access->addr1, 6);
+		break;
+	case CMD_ACT_BT_ACCESS_DEL:
+		memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
+		lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr",
+			bt_access->addr1, 6);
+		break;
+	case CMD_ACT_BT_ACCESS_LIST:
+		bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
+		break;
+	case CMD_ACT_BT_ACCESS_RESET:
+		break;
+	case CMD_ACT_BT_ACCESS_SET_INVERT:
+		bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
+		break;
+	case CMD_ACT_BT_ACCESS_GET_INVERT:
+		break;
+	default:
+		break;
+	}
+	lbs_deb_leave(LBS_DEB_CMD);
+	return 0;
+}
+
+int lbs_cmd_fwt_access(struct cmd_ds_command *cmd,
+			       u16 cmd_action, void *pdata_buf)
+{
+	struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
+	lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
+
+	cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
+	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) +
+		sizeof(struct cmd_header));
+	cmd->result = 0;
+
+	if (pdata_buf)
+		memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
+	else
+		memset(fwt_access, 0, sizeof(*fwt_access));
+
+	fwt_access->action = cpu_to_le16(cmd_action);
+
+	lbs_deb_leave(LBS_DEB_CMD);
+	return 0;
+}
+
+int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
+		    struct cmd_ds_mesh_access *cmd)
+{
+	int ret;
+
+	lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
+
+	cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
+	cmd->hdr.size = cpu_to_le16(sizeof(*cmd));
+	cmd->hdr.result = 0;
+
+	cmd->action = cpu_to_le16(cmd_action);
+
+	ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, cmd);
+
+	lbs_deb_leave(LBS_DEB_CMD);
+	return ret;
+}
+
+static int __lbs_mesh_config_send(struct lbs_private *priv,
+				  struct cmd_ds_mesh_config *cmd,
+				  uint16_t action, uint16_t type)
+{
+	int ret;
+	u16 command = CMD_MESH_CONFIG_OLD;
+
+	lbs_deb_enter(LBS_DEB_CMD);
+
+	/*
+	 * Command id is 0xac for v10 FW along with mesh interface
+	 * id in bits 14-13-12.
+	 */
+	if (priv->mesh_fw_ver == MESH_FW_NEW)
+		command = CMD_MESH_CONFIG |
+			  (MESH_IFACE_ID << MESH_IFACE_BIT_OFFSET);
+
+	cmd->hdr.command = cpu_to_le16(command);
+	cmd->hdr.size = cpu_to_le16(sizeof(struct cmd_ds_mesh_config));
+	cmd->hdr.result = 0;
+
+	cmd->type = cpu_to_le16(type);
+	cmd->action = cpu_to_le16(action);
+
+	ret = lbs_cmd_with_response(priv, command, cmd);
+
+	lbs_deb_leave(LBS_DEB_CMD);
+	return ret;
+}
+
+int lbs_mesh_config_send(struct lbs_private *priv,
+			 struct cmd_ds_mesh_config *cmd,
+			 uint16_t action, uint16_t type)
+{
+	int ret;
+
+	if (!(priv->fwcapinfo & FW_CAPINFO_PERSISTENT_CONFIG))
+		return -EOPNOTSUPP;
+
+	ret = __lbs_mesh_config_send(priv, cmd, action, type);
+	return ret;
+}
+
+/* This function is the CMD_MESH_CONFIG legacy function.  It only handles the
+ * START and STOP actions.  The extended actions supported by CMD_MESH_CONFIG
+ * are all handled by preparing a struct cmd_ds_mesh_config and passing it to
+ * lbs_mesh_config_send.
+ */
+int lbs_mesh_config(struct lbs_private *priv, uint16_t action, uint16_t chan)
+{
+	struct cmd_ds_mesh_config cmd;
+	struct mrvl_meshie *ie;
+	DECLARE_SSID_BUF(ssid);
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.channel = cpu_to_le16(chan);
+	ie = (struct mrvl_meshie *)cmd.data;
+
+	switch (action) {
+	case CMD_ACT_MESH_CONFIG_START:
+		ie->id = WLAN_EID_GENERIC;
+		ie->val.oui[0] = 0x00;
+		ie->val.oui[1] = 0x50;
+		ie->val.oui[2] = 0x43;
+		ie->val.type = MARVELL_MESH_IE_TYPE;
+		ie->val.subtype = MARVELL_MESH_IE_SUBTYPE;
+		ie->val.version = MARVELL_MESH_IE_VERSION;
+		ie->val.active_protocol_id = MARVELL_MESH_PROTO_ID_HWMP;
+		ie->val.active_metric_id = MARVELL_MESH_METRIC_ID;
+		ie->val.mesh_capability = MARVELL_MESH_CAPABILITY;
+		ie->val.mesh_id_len = priv->mesh_ssid_len;
+		memcpy(ie->val.mesh_id, priv->mesh_ssid, priv->mesh_ssid_len);
+		ie->len = sizeof(struct mrvl_meshie_val) -
+			IEEE80211_MAX_SSID_LEN + priv->mesh_ssid_len;
+		cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie_val));
+		break;
+	case CMD_ACT_MESH_CONFIG_STOP:
+		break;
+	default:
+		return -1;
+	}
+	lbs_deb_cmd("mesh config action %d type %x channel %d SSID %s\n",
+		    action, priv->mesh_tlv, chan,
+		    print_ssid(ssid, priv->mesh_ssid, priv->mesh_ssid_len));
+
+	return __lbs_mesh_config_send(priv, &cmd, action, priv->mesh_tlv);
+}
+
+
+
 /***************************************************************************
  * Persistent configuration support
  */
diff --git a/drivers/net/wireless/libertas/mesh.h b/drivers/net/wireless/libertas/mesh.h
index 23b38ba26cd..fea9b5d005f 100644
--- a/drivers/net/wireless/libertas/mesh.h
+++ b/drivers/net/wireless/libertas/mesh.h
@@ -6,6 +6,7 @@
 
 
 #include <net/iw_handler.h>
+#include <net/lib80211.h>
 
 
 /* Mesh statistics */
@@ -42,6 +43,16 @@ void lbs_mesh_set_txpd(struct lbs_private *priv,
 	struct net_device *dev, struct txpd *txpd);
 
 
+/* Command handling */
+
+struct cmd_ds_command;
+
+int lbs_cmd_bt_access(struct cmd_ds_command *cmd,
+	u16 cmd_action, void *pdata_buf);
+int lbs_cmd_fwt_access(struct cmd_ds_command *cmd,
+	u16 cmd_action, void *pdata_buf);
+
+
 /* Persistent configuration */
 
 void lbs_persist_config_init(struct net_device *net);
-- 
GitLab


From e60d7443e00a72a2c056950cdaab79c7b077f3d4 Mon Sep 17 00:00:00 2001
From: Alban Browaeys <prahal@yahoo.com>
Date: Wed, 25 Nov 2009 15:13:00 +0100
Subject: [PATCH 1594/1815] wireless : use a dedicated workqueue for cfg80211.

This patch moves the works cleanup, scan and events to a cfg80211
dedicated workqueue.

Platform driver like eeepc-laptop ought to use works to rfkill (as
new rfkill does lock in rfkill_unregister and the platform driver is
called from rfkill_switch_all which also lock the same mutex).
This raise a new issue in itself that the work scheduled by the platform
driver to the global worqueue calls wiphy_unregister which flush_work
scan and event works (which thus flush works on the global workqueue inside
a work on the global workqueue) and also put on hold the  wdev_cleanup_work
 (which prevents the dev_put on netdev thus indefinite Usage count error on
wifi device).

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Alban Browaeys <prahal@yahoo.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/wireless/core.c | 12 +++++++++++-
 net/wireless/core.h |  2 ++
 net/wireless/ibss.c |  2 +-
 net/wireless/scan.c |  2 +-
 net/wireless/sme.c  |  6 +++---
 5 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/net/wireless/core.c b/net/wireless/core.c
index fe6f402a22a..c2a2c563d21 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -45,6 +45,9 @@ DEFINE_MUTEX(cfg80211_mutex);
 /* for debugfs */
 static struct dentry *ieee80211_debugfs_dir;
 
+/* for the cleanup, scan and event works */
+struct workqueue_struct *cfg80211_wq;
+
 /* requires cfg80211_mutex to be held! */
 struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx)
 {
@@ -727,7 +730,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
 		break;
 	case NETDEV_DOWN:
 		dev_hold(dev);
-		schedule_work(&wdev->cleanup_work);
+		queue_work(cfg80211_wq, &wdev->cleanup_work);
 		break;
 	case NETDEV_UP:
 		/*
@@ -845,8 +848,14 @@ static int __init cfg80211_init(void)
 	if (err)
 		goto out_fail_reg;
 
+	cfg80211_wq = create_singlethread_workqueue("cfg80211");
+	if (!cfg80211_wq)
+		goto out_fail_wq;
+
 	return 0;
 
+out_fail_wq:
+	regulatory_exit();
 out_fail_reg:
 	debugfs_remove(ieee80211_debugfs_dir);
 out_fail_nl80211:
@@ -868,5 +877,6 @@ static void cfg80211_exit(void)
 	wiphy_sysfs_exit();
 	regulatory_exit();
 	unregister_pernet_device(&cfg80211_pernet_ops);
+	destroy_workqueue(cfg80211_wq);
 }
 module_exit(cfg80211_exit);
diff --git a/net/wireless/core.h b/net/wireless/core.h
index a9db9e6255b..4ef3efc9410 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -91,6 +91,8 @@ bool wiphy_idx_valid(int wiphy_idx)
 	return (wiphy_idx >= 0);
 }
 
+
+extern struct workqueue_struct *cfg80211_wq;
 extern struct mutex cfg80211_mutex;
 extern struct list_head cfg80211_rdev_list;
 extern int cfg80211_rdev_list_generation;
diff --git a/net/wireless/ibss.c b/net/wireless/ibss.c
index 34dfc93fa71..6ef5a491fb4 100644
--- a/net/wireless/ibss.c
+++ b/net/wireless/ibss.c
@@ -70,7 +70,7 @@ void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, gfp_t gfp)
 	spin_lock_irqsave(&wdev->event_lock, flags);
 	list_add_tail(&ev->list, &wdev->event_list);
 	spin_unlock_irqrestore(&wdev->event_lock, flags);
-	schedule_work(&rdev->event_work);
+	queue_work(cfg80211_wq, &rdev->event_work);
 }
 EXPORT_SYMBOL(cfg80211_ibss_joined);
 
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 227d57b8dc4..df26228db1b 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -88,7 +88,7 @@ void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted)
 	WARN_ON(request != wiphy_to_dev(request->wiphy)->scan_req);
 
 	request->aborted = aborted;
-	schedule_work(&wiphy_to_dev(request->wiphy)->scan_done_wk);
+	queue_work(cfg80211_wq, &wiphy_to_dev(request->wiphy)->scan_done_wk);
 }
 EXPORT_SYMBOL(cfg80211_scan_done);
 
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index 0115d07d2c1..2333d78187e 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -488,7 +488,7 @@ void cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
 	spin_lock_irqsave(&wdev->event_lock, flags);
 	list_add_tail(&ev->list, &wdev->event_list);
 	spin_unlock_irqrestore(&wdev->event_lock, flags);
-	schedule_work(&rdev->event_work);
+	queue_work(cfg80211_wq, &rdev->event_work);
 }
 EXPORT_SYMBOL(cfg80211_connect_result);
 
@@ -583,7 +583,7 @@ void cfg80211_roamed(struct net_device *dev, const u8 *bssid,
 	spin_lock_irqsave(&wdev->event_lock, flags);
 	list_add_tail(&ev->list, &wdev->event_list);
 	spin_unlock_irqrestore(&wdev->event_lock, flags);
-	schedule_work(&rdev->event_work);
+	queue_work(cfg80211_wq, &rdev->event_work);
 }
 EXPORT_SYMBOL(cfg80211_roamed);
 
@@ -681,7 +681,7 @@ void cfg80211_disconnected(struct net_device *dev, u16 reason,
 	spin_lock_irqsave(&wdev->event_lock, flags);
 	list_add_tail(&ev->list, &wdev->event_list);
 	spin_unlock_irqrestore(&wdev->event_lock, flags);
-	schedule_work(&rdev->event_work);
+	queue_work(cfg80211_wq, &rdev->event_work);
 }
 EXPORT_SYMBOL(cfg80211_disconnected);
 
-- 
GitLab


From 8c0c709eea5cbab97fb464cd68b06f24acc58ee1 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Wed, 25 Nov 2009 17:46:15 +0100
Subject: [PATCH 1595/1815] mac80211: move cmntr flag out of rx flags

The RX flags should soon be used only for flags
that cannot change within an a-MPDU, so move the
cooked monitor flag into the RX status flags.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 include/net/mac80211.h     | 4 ++++
 net/mac80211/ieee80211_i.h | 3 +--
 net/mac80211/rx.c          | 4 ++--
 3 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 3754ea405c8..1d75b960da0 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -513,6 +513,9 @@ ieee80211_tx_info_clear_status(struct ieee80211_tx_info *info)
  * @RX_FLAG_HT: HT MCS was used and rate_idx is MCS index
  * @RX_FLAG_40MHZ: HT40 (40 MHz) was used
  * @RX_FLAG_SHORT_GI: Short guard interval was used
+ * @RX_FLAG_INTERNAL_CMTR: set internally after frame was reported
+ *	on cooked monitor to avoid double-reporting it for multiple
+ *	virtual interfaces
  */
 enum mac80211_rx_flags {
 	RX_FLAG_MMIC_ERROR	= 1<<0,
@@ -526,6 +529,7 @@ enum mac80211_rx_flags {
 	RX_FLAG_HT		= 1<<9,
 	RX_FLAG_40MHZ		= 1<<10,
 	RX_FLAG_SHORT_GI	= 1<<11,
+	RX_FLAG_INTERNAL_CMTR	= 1<<12,
 };
 
 /**
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 04093e84ebd..ba5d3637b95 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -163,8 +163,7 @@ typedef unsigned __bitwise__ ieee80211_rx_result;
 /* frame is destined to interface currently processed (incl. multicast frames) */
 #define IEEE80211_RX_RA_MATCH		BIT(1)
 #define IEEE80211_RX_AMSDU		BIT(2)
-#define IEEE80211_RX_CMNTR_REPORTED	BIT(3)
-#define IEEE80211_RX_FRAGMENTED		BIT(4)
+#define IEEE80211_RX_FRAGMENTED		BIT(3)
 
 struct ieee80211_rx_data {
 	struct sk_buff *skb;
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 96f13ad05d3..097bb0343b9 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1868,7 +1868,7 @@ static void ieee80211_rx_cooked_monitor(struct ieee80211_rx_data *rx,
 	struct net_device *prev_dev = NULL;
 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
 
-	if (rx->flags & IEEE80211_RX_CMNTR_REPORTED)
+	if (status->flag & RX_FLAG_INTERNAL_CMTR)
 		goto out_free_skb;
 
 	if (skb_headroom(skb) < sizeof(*rthdr) &&
@@ -1929,7 +1929,7 @@ static void ieee80211_rx_cooked_monitor(struct ieee80211_rx_data *rx,
 	} else
 		goto out_free_skb;
 
-	rx->flags |= IEEE80211_RX_CMNTR_REPORTED;
+	status->flag |= RX_FLAG_INTERNAL_CMTR;
 	return;
 
  out_free_skb:
-- 
GitLab


From 1edfb1afba2f6e4114ff09f2e3bc948fcae0c419 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Wed, 25 Nov 2009 17:46:16 +0100
Subject: [PATCH 1596/1815] mac80211: move aMPDU RX reorder code

This code should be part of RX handlers, so move it
to the place where it belongs without changing it.
A follow-up patch will do the changes to hook it up.
The sole purpose of this code move is to make the
other patch readable, it doesn't change the code at
all except that it now requires a different static
function declaration (which will go away too).

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/rx.c | 459 +++++++++++++++++++++++-----------------------
 1 file changed, 229 insertions(+), 230 deletions(-)

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 097bb0343b9..d71a63e1fd6 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -27,9 +27,9 @@
 #include "tkip.h"
 #include "wme.h"
 
-static void ieee80211_release_reorder_frames(struct ieee80211_hw *hw,
-					     struct tid_ampdu_rx *tid_agg_rx,
-					     u16 head_seq_num);
+static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
+					 struct sk_buff *skb,
+					 struct ieee80211_rate *rate);
 
 /*
  * monitor mode reception
@@ -534,6 +534,232 @@ ieee80211_rx_mesh_check(struct ieee80211_rx_data *rx)
 	return RX_CONTINUE;
 }
 
+#define SEQ_MODULO 0x1000
+#define SEQ_MASK   0xfff
+
+static inline int seq_less(u16 sq1, u16 sq2)
+{
+	return ((sq1 - sq2) & SEQ_MASK) > (SEQ_MODULO >> 1);
+}
+
+static inline u16 seq_inc(u16 sq)
+{
+	return (sq + 1) & SEQ_MASK;
+}
+
+static inline u16 seq_sub(u16 sq1, u16 sq2)
+{
+	return (sq1 - sq2) & SEQ_MASK;
+}
+
+
+static void ieee80211_release_reorder_frame(struct ieee80211_hw *hw,
+					    struct tid_ampdu_rx *tid_agg_rx,
+					    int index)
+{
+	struct ieee80211_supported_band *sband;
+	struct ieee80211_rate *rate = NULL;
+	struct sk_buff *skb = tid_agg_rx->reorder_buf[index];
+	struct ieee80211_rx_status *status;
+
+	if (!skb)
+		goto no_frame;
+
+	status = IEEE80211_SKB_RXCB(skb);
+
+	/* release the reordered frames to stack */
+	sband = hw->wiphy->bands[status->band];
+	if (!(status->flag & RX_FLAG_HT))
+		rate = &sband->bitrates[status->rate_idx];
+	__ieee80211_rx_handle_packet(hw, skb, rate);
+	tid_agg_rx->stored_mpdu_num--;
+	tid_agg_rx->reorder_buf[index] = NULL;
+
+no_frame:
+	tid_agg_rx->head_seq_num = seq_inc(tid_agg_rx->head_seq_num);
+}
+
+static void ieee80211_release_reorder_frames(struct ieee80211_hw *hw,
+					     struct tid_ampdu_rx *tid_agg_rx,
+					     u16 head_seq_num)
+{
+	int index;
+
+	while (seq_less(tid_agg_rx->head_seq_num, head_seq_num)) {
+		index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) %
+							tid_agg_rx->buf_size;
+		ieee80211_release_reorder_frame(hw, tid_agg_rx, index);
+	}
+}
+
+/*
+ * Timeout (in jiffies) for skb's that are waiting in the RX reorder buffer. If
+ * the skb was added to the buffer longer than this time ago, the earlier
+ * frames that have not yet been received are assumed to be lost and the skb
+ * can be released for processing. This may also release other skb's from the
+ * reorder buffer if there are no additional gaps between the frames.
+ */
+#define HT_RX_REORDER_BUF_TIMEOUT (HZ / 10)
+
+/*
+ * As this function belongs to the RX path it must be under
+ * rcu_read_lock protection. It returns false if the frame
+ * can be processed immediately, true if it was consumed.
+ */
+static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
+					     struct tid_ampdu_rx *tid_agg_rx,
+					     struct sk_buff *skb)
+{
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+	u16 sc = le16_to_cpu(hdr->seq_ctrl);
+	u16 mpdu_seq_num = (sc & IEEE80211_SCTL_SEQ) >> 4;
+	u16 head_seq_num, buf_size;
+	int index;
+
+	buf_size = tid_agg_rx->buf_size;
+	head_seq_num = tid_agg_rx->head_seq_num;
+
+	/* frame with out of date sequence number */
+	if (seq_less(mpdu_seq_num, head_seq_num)) {
+		dev_kfree_skb(skb);
+		return true;
+	}
+
+	/*
+	 * If frame the sequence number exceeds our buffering window
+	 * size release some previous frames to make room for this one.
+	 */
+	if (!seq_less(mpdu_seq_num, head_seq_num + buf_size)) {
+		head_seq_num = seq_inc(seq_sub(mpdu_seq_num, buf_size));
+		/* release stored frames up to new head to stack */
+		ieee80211_release_reorder_frames(hw, tid_agg_rx, head_seq_num);
+	}
+
+	/* Now the new frame is always in the range of the reordering buffer */
+
+	index = seq_sub(mpdu_seq_num, tid_agg_rx->ssn) % tid_agg_rx->buf_size;
+
+	/* check if we already stored this frame */
+	if (tid_agg_rx->reorder_buf[index]) {
+		dev_kfree_skb(skb);
+		return true;
+	}
+
+	/*
+	 * If the current MPDU is in the right order and nothing else
+	 * is stored we can process it directly, no need to buffer it.
+	 */
+	if (mpdu_seq_num == tid_agg_rx->head_seq_num &&
+	    tid_agg_rx->stored_mpdu_num == 0) {
+		tid_agg_rx->head_seq_num = seq_inc(tid_agg_rx->head_seq_num);
+		return false;
+	}
+
+	/* put the frame in the reordering buffer */
+	tid_agg_rx->reorder_buf[index] = skb;
+	tid_agg_rx->reorder_time[index] = jiffies;
+	tid_agg_rx->stored_mpdu_num++;
+	/* release the buffer until next missing frame */
+	index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) %
+						tid_agg_rx->buf_size;
+	if (!tid_agg_rx->reorder_buf[index] &&
+	    tid_agg_rx->stored_mpdu_num > 1) {
+		/*
+		 * No buffers ready to be released, but check whether any
+		 * frames in the reorder buffer have timed out.
+		 */
+		int j;
+		int skipped = 1;
+		for (j = (index + 1) % tid_agg_rx->buf_size; j != index;
+		     j = (j + 1) % tid_agg_rx->buf_size) {
+			if (!tid_agg_rx->reorder_buf[j]) {
+				skipped++;
+				continue;
+			}
+			if (!time_after(jiffies, tid_agg_rx->reorder_time[j] +
+					HT_RX_REORDER_BUF_TIMEOUT))
+				break;
+
+#ifdef CONFIG_MAC80211_HT_DEBUG
+			if (net_ratelimit())
+				printk(KERN_DEBUG "%s: release an RX reorder "
+				       "frame due to timeout on earlier "
+				       "frames\n",
+				       wiphy_name(hw->wiphy));
+#endif
+			ieee80211_release_reorder_frame(hw, tid_agg_rx, j);
+
+			/*
+			 * Increment the head seq# also for the skipped slots.
+			 */
+			tid_agg_rx->head_seq_num =
+				(tid_agg_rx->head_seq_num + skipped) & SEQ_MASK;
+			skipped = 0;
+		}
+	} else while (tid_agg_rx->reorder_buf[index]) {
+		ieee80211_release_reorder_frame(hw, tid_agg_rx, index);
+		index =	seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) %
+							tid_agg_rx->buf_size;
+	}
+
+	return true;
+}
+
+/*
+ * Reorder MPDUs from A-MPDUs, keeping them on a buffer. Returns
+ * true if the MPDU was buffered, false if it should be processed.
+ */
+static bool ieee80211_rx_reorder_ampdu(struct ieee80211_local *local,
+				       struct sk_buff *skb)
+{
+	struct ieee80211_hw *hw = &local->hw;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+	struct sta_info *sta;
+	struct tid_ampdu_rx *tid_agg_rx;
+	u16 sc;
+	int tid;
+
+	if (!ieee80211_is_data_qos(hdr->frame_control))
+		return false;
+
+	/*
+	 * filter the QoS data rx stream according to
+	 * STA/TID and check if this STA/TID is on aggregation
+	 */
+
+	sta = sta_info_get(local, hdr->addr2);
+	if (!sta)
+		return false;
+
+	tid = *ieee80211_get_qos_ctl(hdr) & IEEE80211_QOS_CTL_TID_MASK;
+
+	if (sta->ampdu_mlme.tid_state_rx[tid] != HT_AGG_STATE_OPERATIONAL)
+		return false;
+
+	tid_agg_rx = sta->ampdu_mlme.tid_rx[tid];
+
+	/* qos null data frames are excluded */
+	if (unlikely(hdr->frame_control & cpu_to_le16(IEEE80211_STYPE_NULLFUNC)))
+		return false;
+
+	/* new, potentially un-ordered, ampdu frame - process it */
+
+	/* reset session timer */
+	if (tid_agg_rx->timeout)
+		mod_timer(&tid_agg_rx->session_timer,
+			  TU_TO_EXP_TIME(tid_agg_rx->timeout));
+
+	/* if this mpdu is fragmented - terminate rx aggregation session */
+	sc = le16_to_cpu(hdr->seq_ctrl);
+	if (sc & IEEE80211_SCTL_FRAG) {
+		ieee80211_sta_stop_rx_ba_session(sta->sdata, sta->sta.addr,
+			tid, 0, WLAN_REASON_QSTA_REQUIRE_SETUP);
+		dev_kfree_skb(skb);
+		return true;
+	}
+
+	return ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, skb);
+}
 
 static ieee80211_rx_result debug_noinline
 ieee80211_rx_h_check(struct ieee80211_rx_data *rx)
@@ -2187,233 +2413,6 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
 		dev_kfree_skb(skb);
 }
 
-#define SEQ_MODULO 0x1000
-#define SEQ_MASK   0xfff
-
-static inline int seq_less(u16 sq1, u16 sq2)
-{
-	return ((sq1 - sq2) & SEQ_MASK) > (SEQ_MODULO >> 1);
-}
-
-static inline u16 seq_inc(u16 sq)
-{
-	return (sq + 1) & SEQ_MASK;
-}
-
-static inline u16 seq_sub(u16 sq1, u16 sq2)
-{
-	return (sq1 - sq2) & SEQ_MASK;
-}
-
-
-static void ieee80211_release_reorder_frame(struct ieee80211_hw *hw,
-					    struct tid_ampdu_rx *tid_agg_rx,
-					    int index)
-{
-	struct ieee80211_supported_band *sband;
-	struct ieee80211_rate *rate = NULL;
-	struct sk_buff *skb = tid_agg_rx->reorder_buf[index];
-	struct ieee80211_rx_status *status;
-
-	if (!skb)
-		goto no_frame;
-
-	status = IEEE80211_SKB_RXCB(skb);
-
-	/* release the reordered frames to stack */
-	sband = hw->wiphy->bands[status->band];
-	if (!(status->flag & RX_FLAG_HT))
-		rate = &sband->bitrates[status->rate_idx];
-	__ieee80211_rx_handle_packet(hw, skb, rate);
-	tid_agg_rx->stored_mpdu_num--;
-	tid_agg_rx->reorder_buf[index] = NULL;
-
-no_frame:
-	tid_agg_rx->head_seq_num = seq_inc(tid_agg_rx->head_seq_num);
-}
-
-static void ieee80211_release_reorder_frames(struct ieee80211_hw *hw,
-					     struct tid_ampdu_rx *tid_agg_rx,
-					     u16 head_seq_num)
-{
-	int index;
-
-	while (seq_less(tid_agg_rx->head_seq_num, head_seq_num)) {
-		index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) %
-							tid_agg_rx->buf_size;
-		ieee80211_release_reorder_frame(hw, tid_agg_rx, index);
-	}
-}
-
-/*
- * Timeout (in jiffies) for skb's that are waiting in the RX reorder buffer. If
- * the skb was added to the buffer longer than this time ago, the earlier
- * frames that have not yet been received are assumed to be lost and the skb
- * can be released for processing. This may also release other skb's from the
- * reorder buffer if there are no additional gaps between the frames.
- */
-#define HT_RX_REORDER_BUF_TIMEOUT (HZ / 10)
-
-/*
- * As this function belongs to the RX path it must be under
- * rcu_read_lock protection. It returns false if the frame
- * can be processed immediately, true if it was consumed.
- */
-static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
-					     struct tid_ampdu_rx *tid_agg_rx,
-					     struct sk_buff *skb)
-{
-	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
-	u16 sc = le16_to_cpu(hdr->seq_ctrl);
-	u16 mpdu_seq_num = (sc & IEEE80211_SCTL_SEQ) >> 4;
-	u16 head_seq_num, buf_size;
-	int index;
-
-	buf_size = tid_agg_rx->buf_size;
-	head_seq_num = tid_agg_rx->head_seq_num;
-
-	/* frame with out of date sequence number */
-	if (seq_less(mpdu_seq_num, head_seq_num)) {
-		dev_kfree_skb(skb);
-		return true;
-	}
-
-	/*
-	 * If frame the sequence number exceeds our buffering window
-	 * size release some previous frames to make room for this one.
-	 */
-	if (!seq_less(mpdu_seq_num, head_seq_num + buf_size)) {
-		head_seq_num = seq_inc(seq_sub(mpdu_seq_num, buf_size));
-		/* release stored frames up to new head to stack */
-		ieee80211_release_reorder_frames(hw, tid_agg_rx, head_seq_num);
-	}
-
-	/* Now the new frame is always in the range of the reordering buffer */
-
-	index = seq_sub(mpdu_seq_num, tid_agg_rx->ssn) % tid_agg_rx->buf_size;
-
-	/* check if we already stored this frame */
-	if (tid_agg_rx->reorder_buf[index]) {
-		dev_kfree_skb(skb);
-		return true;
-	}
-
-	/*
-	 * If the current MPDU is in the right order and nothing else
-	 * is stored we can process it directly, no need to buffer it.
-	 */
-	if (mpdu_seq_num == tid_agg_rx->head_seq_num &&
-	    tid_agg_rx->stored_mpdu_num == 0) {
-		tid_agg_rx->head_seq_num = seq_inc(tid_agg_rx->head_seq_num);
-		return false;
-	}
-
-	/* put the frame in the reordering buffer */
-	tid_agg_rx->reorder_buf[index] = skb;
-	tid_agg_rx->reorder_time[index] = jiffies;
-	tid_agg_rx->stored_mpdu_num++;
-	/* release the buffer until next missing frame */
-	index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) %
-						tid_agg_rx->buf_size;
-	if (!tid_agg_rx->reorder_buf[index] &&
-	    tid_agg_rx->stored_mpdu_num > 1) {
-		/*
-		 * No buffers ready to be released, but check whether any
-		 * frames in the reorder buffer have timed out.
-		 */
-		int j;
-		int skipped = 1;
-		for (j = (index + 1) % tid_agg_rx->buf_size; j != index;
-		     j = (j + 1) % tid_agg_rx->buf_size) {
-			if (!tid_agg_rx->reorder_buf[j]) {
-				skipped++;
-				continue;
-			}
-			if (!time_after(jiffies, tid_agg_rx->reorder_time[j] +
-					HT_RX_REORDER_BUF_TIMEOUT))
-				break;
-
-#ifdef CONFIG_MAC80211_HT_DEBUG
-			if (net_ratelimit())
-				printk(KERN_DEBUG "%s: release an RX reorder "
-				       "frame due to timeout on earlier "
-				       "frames\n",
-				       wiphy_name(hw->wiphy));
-#endif
-			ieee80211_release_reorder_frame(hw, tid_agg_rx, j);
-
-			/*
-			 * Increment the head seq# also for the skipped slots.
-			 */
-			tid_agg_rx->head_seq_num =
-				(tid_agg_rx->head_seq_num + skipped) & SEQ_MASK;
-			skipped = 0;
-		}
-	} else while (tid_agg_rx->reorder_buf[index]) {
-		ieee80211_release_reorder_frame(hw, tid_agg_rx, index);
-		index =	seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) %
-							tid_agg_rx->buf_size;
-	}
-
-	return true;
-}
-
-/*
- * Reorder MPDUs from A-MPDUs, keeping them on a buffer. Returns
- * true if the MPDU was buffered, false if it should be processed.
- */
-static bool ieee80211_rx_reorder_ampdu(struct ieee80211_local *local,
-				       struct sk_buff *skb)
-{
-	struct ieee80211_hw *hw = &local->hw;
-	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
-	struct sta_info *sta;
-	struct tid_ampdu_rx *tid_agg_rx;
-	u16 sc;
-	int tid;
-
-	if (!ieee80211_is_data_qos(hdr->frame_control))
-		return false;
-
-	/*
-	 * filter the QoS data rx stream according to
-	 * STA/TID and check if this STA/TID is on aggregation
-	 */
-
-	sta = sta_info_get(local, hdr->addr2);
-	if (!sta)
-		return false;
-
-	tid = *ieee80211_get_qos_ctl(hdr) & IEEE80211_QOS_CTL_TID_MASK;
-
-	if (sta->ampdu_mlme.tid_state_rx[tid] != HT_AGG_STATE_OPERATIONAL)
-		return false;
-
-	tid_agg_rx = sta->ampdu_mlme.tid_rx[tid];
-
-	/* qos null data frames are excluded */
-	if (unlikely(hdr->frame_control & cpu_to_le16(IEEE80211_STYPE_NULLFUNC)))
-		return false;
-
-	/* new, potentially un-ordered, ampdu frame - process it */
-
-	/* reset session timer */
-	if (tid_agg_rx->timeout)
-		mod_timer(&tid_agg_rx->session_timer,
-			  TU_TO_EXP_TIME(tid_agg_rx->timeout));
-
-	/* if this mpdu is fragmented - terminate rx aggregation session */
-	sc = le16_to_cpu(hdr->seq_ctrl);
-	if (sc & IEEE80211_SCTL_FRAG) {
-		ieee80211_sta_stop_rx_ba_session(sta->sdata, sta->sta.addr,
-			tid, 0, WLAN_REASON_QSTA_REQUIRE_SETUP);
-		dev_kfree_skb(skb);
-		return true;
-	}
-
-	return ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, skb);
-}
-
 /*
  * This is the receive path handler. It is called by a low level driver when an
  * 802.11 MPDU is received from the hardware.
-- 
GitLab


From 2569a826de16ff82302a8a091228275be1aa911c Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Wed, 25 Nov 2009 17:46:17 +0100
Subject: [PATCH 1597/1815] mac80211: correctly place aMPDU RX reorder code

As indicated by the comment, the aMPDU RX reorder code
should logically be after ieee80211_rx_h_check(). The
previous patch moved the code there, and this patch now
hooks it up in that place by introducing a list of skbs
that are then processed by the remaining handlers. The
list may be empty if the function is buffering the skb
to release it later.

The only change needed to the RX data is that the crypto
handler needs to clear the key that may be set from a
previous loop iteration, and that not everything can be
in the rx flags now.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/ieee80211_i.h |   1 +
 net/mac80211/rx.c          | 168 +++++++++++++++++++++----------------
 2 files changed, 96 insertions(+), 73 deletions(-)

diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index ba5d3637b95..7d3178f1b44 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -164,6 +164,7 @@ typedef unsigned __bitwise__ ieee80211_rx_result;
 #define IEEE80211_RX_RA_MATCH		BIT(1)
 #define IEEE80211_RX_AMSDU		BIT(2)
 #define IEEE80211_RX_FRAGMENTED		BIT(3)
+/* only add flags here that do not change with subframes of an aMPDU */
 
 struct ieee80211_rx_data {
 	struct sk_buff *skb;
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index d71a63e1fd6..57b8a0a4277 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -27,10 +27,6 @@
 #include "tkip.h"
 #include "wme.h"
 
-static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
-					 struct sk_buff *skb,
-					 struct ieee80211_rate *rate);
-
 /*
  * monitor mode reception
  *
@@ -555,7 +551,8 @@ static inline u16 seq_sub(u16 sq1, u16 sq2)
 
 static void ieee80211_release_reorder_frame(struct ieee80211_hw *hw,
 					    struct tid_ampdu_rx *tid_agg_rx,
-					    int index)
+					    int index,
+					    struct sk_buff_head *frames)
 {
 	struct ieee80211_supported_band *sband;
 	struct ieee80211_rate *rate = NULL;
@@ -571,9 +568,9 @@ static void ieee80211_release_reorder_frame(struct ieee80211_hw *hw,
 	sband = hw->wiphy->bands[status->band];
 	if (!(status->flag & RX_FLAG_HT))
 		rate = &sband->bitrates[status->rate_idx];
-	__ieee80211_rx_handle_packet(hw, skb, rate);
 	tid_agg_rx->stored_mpdu_num--;
 	tid_agg_rx->reorder_buf[index] = NULL;
+	skb_queue_tail(frames, skb);
 
 no_frame:
 	tid_agg_rx->head_seq_num = seq_inc(tid_agg_rx->head_seq_num);
@@ -581,14 +578,15 @@ no_frame:
 
 static void ieee80211_release_reorder_frames(struct ieee80211_hw *hw,
 					     struct tid_ampdu_rx *tid_agg_rx,
-					     u16 head_seq_num)
+					     u16 head_seq_num,
+					     struct sk_buff_head *frames)
 {
 	int index;
 
 	while (seq_less(tid_agg_rx->head_seq_num, head_seq_num)) {
 		index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) %
 							tid_agg_rx->buf_size;
-		ieee80211_release_reorder_frame(hw, tid_agg_rx, index);
+		ieee80211_release_reorder_frame(hw, tid_agg_rx, index, frames);
 	}
 }
 
@@ -608,7 +606,8 @@ static void ieee80211_release_reorder_frames(struct ieee80211_hw *hw,
  */
 static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
 					     struct tid_ampdu_rx *tid_agg_rx,
-					     struct sk_buff *skb)
+					     struct sk_buff *skb,
+					     struct sk_buff_head *frames)
 {
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
 	u16 sc = le16_to_cpu(hdr->seq_ctrl);
@@ -632,7 +631,8 @@ static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
 	if (!seq_less(mpdu_seq_num, head_seq_num + buf_size)) {
 		head_seq_num = seq_inc(seq_sub(mpdu_seq_num, buf_size));
 		/* release stored frames up to new head to stack */
-		ieee80211_release_reorder_frames(hw, tid_agg_rx, head_seq_num);
+		ieee80211_release_reorder_frames(hw, tid_agg_rx, head_seq_num,
+						 frames);
 	}
 
 	/* Now the new frame is always in the range of the reordering buffer */
@@ -687,7 +687,8 @@ static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
 				       "frames\n",
 				       wiphy_name(hw->wiphy));
 #endif
-			ieee80211_release_reorder_frame(hw, tid_agg_rx, j);
+			ieee80211_release_reorder_frame(hw, tid_agg_rx,
+							j, frames);
 
 			/*
 			 * Increment the head seq# also for the skipped slots.
@@ -697,7 +698,7 @@ static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
 			skipped = 0;
 		}
 	} else while (tid_agg_rx->reorder_buf[index]) {
-		ieee80211_release_reorder_frame(hw, tid_agg_rx, index);
+		ieee80211_release_reorder_frame(hw, tid_agg_rx, index, frames);
 		index =	seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) %
 							tid_agg_rx->buf_size;
 	}
@@ -709,38 +710,39 @@ static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
  * Reorder MPDUs from A-MPDUs, keeping them on a buffer. Returns
  * true if the MPDU was buffered, false if it should be processed.
  */
-static bool ieee80211_rx_reorder_ampdu(struct ieee80211_local *local,
-				       struct sk_buff *skb)
+static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx,
+				       struct sk_buff_head *frames)
 {
+	struct sk_buff *skb = rx->skb;
+	struct ieee80211_local *local = rx->local;
 	struct ieee80211_hw *hw = &local->hw;
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
-	struct sta_info *sta;
+	struct sta_info *sta = rx->sta;
 	struct tid_ampdu_rx *tid_agg_rx;
 	u16 sc;
 	int tid;
 
 	if (!ieee80211_is_data_qos(hdr->frame_control))
-		return false;
+		goto dont_reorder;
 
 	/*
 	 * filter the QoS data rx stream according to
 	 * STA/TID and check if this STA/TID is on aggregation
 	 */
 
-	sta = sta_info_get(local, hdr->addr2);
 	if (!sta)
-		return false;
+		goto dont_reorder;
 
 	tid = *ieee80211_get_qos_ctl(hdr) & IEEE80211_QOS_CTL_TID_MASK;
 
 	if (sta->ampdu_mlme.tid_state_rx[tid] != HT_AGG_STATE_OPERATIONAL)
-		return false;
+		goto dont_reorder;
 
 	tid_agg_rx = sta->ampdu_mlme.tid_rx[tid];
 
 	/* qos null data frames are excluded */
 	if (unlikely(hdr->frame_control & cpu_to_le16(IEEE80211_STYPE_NULLFUNC)))
-		return false;
+		goto dont_reorder;
 
 	/* new, potentially un-ordered, ampdu frame - process it */
 
@@ -755,10 +757,14 @@ static bool ieee80211_rx_reorder_ampdu(struct ieee80211_local *local,
 		ieee80211_sta_stop_rx_ba_session(sta->sdata, sta->sta.addr,
 			tid, 0, WLAN_REASON_QSTA_REQUIRE_SETUP);
 		dev_kfree_skb(skb);
-		return true;
+		return;
 	}
 
-	return ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, skb);
+	if (ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, skb, frames))
+		return;
+
+ dont_reorder:
+	__skb_queue_tail(frames, skb);
 }
 
 static ieee80211_rx_result debug_noinline
@@ -863,6 +869,9 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx)
 	if (!(rx->flags & IEEE80211_RX_RA_MATCH))
 		return RX_CONTINUE;
 
+	/* start without a key */
+	rx->key = NULL;
+
 	if (rx->sta)
 		stakey = rcu_dereference(rx->sta->key);
 
@@ -1815,7 +1824,7 @@ ieee80211_rx_h_data(struct ieee80211_rx_data *rx)
 }
 
 static ieee80211_rx_result debug_noinline
-ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx)
+ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx, struct sk_buff_head *frames)
 {
 	struct ieee80211_local *local = rx->local;
 	struct ieee80211_hw *hw = &local->hw;
@@ -1845,7 +1854,8 @@ ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx)
 				  TU_TO_EXP_TIME(tid_agg_rx->timeout));
 
 		/* release stored frames up to start of BAR */
-		ieee80211_release_reorder_frames(hw, tid_agg_rx, start_seq_num);
+		ieee80211_release_reorder_frames(hw, tid_agg_rx, start_seq_num,
+						 frames);
 		kfree_skb(skb);
 		return RX_QUEUED;
 	}
@@ -2168,8 +2178,11 @@ static void ieee80211_invoke_rx_handlers(struct ieee80211_sub_if_data *sdata,
 					 struct sk_buff *skb,
 					 struct ieee80211_rate *rate)
 {
+	struct sk_buff_head reorder_release;
 	ieee80211_rx_result res = RX_DROP_MONITOR;
 
+	__skb_queue_head_init(&reorder_release);
+
 	rx->skb = skb;
 	rx->sdata = sdata;
 
@@ -2177,50 +2190,72 @@ static void ieee80211_invoke_rx_handlers(struct ieee80211_sub_if_data *sdata,
 	do {				\
 		res = rxh(rx);		\
 		if (res != RX_CONTINUE)	\
-			goto rxh_done;  \
+			goto rxh_next;  \
 	} while (0);
 
+	/*
+	 * NB: the rxh_next label works even if we jump
+	 *     to it from here because then the list will
+	 *     be empty, which is a trivial check
+	 */
 	CALL_RXH(ieee80211_rx_h_passive_scan)
 	CALL_RXH(ieee80211_rx_h_check)
-	CALL_RXH(ieee80211_rx_h_decrypt)
-	CALL_RXH(ieee80211_rx_h_check_more_data)
-	CALL_RXH(ieee80211_rx_h_sta_process)
-	CALL_RXH(ieee80211_rx_h_defragment)
-	CALL_RXH(ieee80211_rx_h_ps_poll)
-	CALL_RXH(ieee80211_rx_h_michael_mic_verify)
-	/* must be after MMIC verify so header is counted in MPDU mic */
-	CALL_RXH(ieee80211_rx_h_remove_qos_control)
-	CALL_RXH(ieee80211_rx_h_amsdu)
+
+	ieee80211_rx_reorder_ampdu(rx, &reorder_release);
+
+	while ((skb = __skb_dequeue(&reorder_release))) {
+		/*
+		 * all the other fields are valid across frames
+		 * that belong to an aMPDU since they are on the
+		 * same TID from the same station
+		 */
+		rx->skb = skb;
+
+		CALL_RXH(ieee80211_rx_h_decrypt)
+		CALL_RXH(ieee80211_rx_h_check_more_data)
+		CALL_RXH(ieee80211_rx_h_sta_process)
+		CALL_RXH(ieee80211_rx_h_defragment)
+		CALL_RXH(ieee80211_rx_h_ps_poll)
+		CALL_RXH(ieee80211_rx_h_michael_mic_verify)
+		/* must be after MMIC verify so header is counted in MPDU mic */
+		CALL_RXH(ieee80211_rx_h_remove_qos_control)
+		CALL_RXH(ieee80211_rx_h_amsdu)
 #ifdef CONFIG_MAC80211_MESH
-	if (ieee80211_vif_is_mesh(&sdata->vif))
-		CALL_RXH(ieee80211_rx_h_mesh_fwding);
+		if (ieee80211_vif_is_mesh(&sdata->vif))
+			CALL_RXH(ieee80211_rx_h_mesh_fwding);
 #endif
-	CALL_RXH(ieee80211_rx_h_data)
-	CALL_RXH(ieee80211_rx_h_ctrl)
-	CALL_RXH(ieee80211_rx_h_action)
-	CALL_RXH(ieee80211_rx_h_mgmt)
+		CALL_RXH(ieee80211_rx_h_data)
+
+		/* special treatment -- needs the queue */
+		res = ieee80211_rx_h_ctrl(rx, &reorder_release);
+		if (res != RX_CONTINUE)
+			goto rxh_next;
+
+		CALL_RXH(ieee80211_rx_h_action)
+		CALL_RXH(ieee80211_rx_h_mgmt)
 
 #undef CALL_RXH
 
- rxh_done:
-	switch (res) {
-	case RX_DROP_MONITOR:
-		I802_DEBUG_INC(sdata->local->rx_handlers_drop);
-		if (rx->sta)
-			rx->sta->rx_dropped++;
-		/* fall through */
-	case RX_CONTINUE:
-		ieee80211_rx_cooked_monitor(rx, rate);
-		break;
-	case RX_DROP_UNUSABLE:
-		I802_DEBUG_INC(sdata->local->rx_handlers_drop);
-		if (rx->sta)
-			rx->sta->rx_dropped++;
-		dev_kfree_skb(rx->skb);
-		break;
-	case RX_QUEUED:
-		I802_DEBUG_INC(sdata->local->rx_handlers_queued);
-		break;
+ rxh_next:
+		switch (res) {
+		case RX_DROP_MONITOR:
+			I802_DEBUG_INC(sdata->local->rx_handlers_drop);
+			if (rx->sta)
+				rx->sta->rx_dropped++;
+			/* fall through */
+		case RX_CONTINUE:
+			ieee80211_rx_cooked_monitor(rx, rate);
+			break;
+		case RX_DROP_UNUSABLE:
+			I802_DEBUG_INC(sdata->local->rx_handlers_drop);
+			if (rx->sta)
+				rx->sta->rx_dropped++;
+			dev_kfree_skb(rx->skb);
+			break;
+		case RX_QUEUED:
+			I802_DEBUG_INC(sdata->local->rx_handlers_queued);
+			break;
+		}
 	}
 }
 
@@ -2494,20 +2529,7 @@ void ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb)
 		return;
 	}
 
-	/*
-	 * In theory, the block ack reordering should happen after duplicate
-	 * removal (ieee80211_rx_h_check(), which is an RX handler). As such,
-	 * the call to ieee80211_rx_reorder_ampdu() should really be moved to
-	 * happen as a new RX handler between ieee80211_rx_h_check and
-	 * ieee80211_rx_h_decrypt. This cleanup may eventually happen, but for
-	 * the time being, the call can be here since RX reorder buf processing
-	 * will implicitly skip duplicates. We could, in theory at least,
-	 * process frames that ieee80211_rx_h_passive_scan would drop (e.g.,
-	 * frames from other than operational channel), but that should not
-	 * happen in normal networks.
-	 */
-	if (!ieee80211_rx_reorder_ampdu(local, skb))
-		__ieee80211_rx_handle_packet(hw, skb, rate);
+	__ieee80211_rx_handle_packet(hw, skb, rate);
 
 	rcu_read_unlock();
 
-- 
GitLab


From f911ab83a2c07118dc605d643545647cef6f2322 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Wed, 25 Nov 2009 19:07:20 +0100
Subject: [PATCH 1598/1815] mac80211: log more data when tracing

Enable logging of more configuration data when tracing
is enabled. Except for the channel frequency this is
only useful with the binary trace format, but that can
be recorded and replayed with trace-cmd and I will be
working on a plugin that reports all the information.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/driver-trace.h | 26 ++++++++++++++++++++++++--
 1 file changed, 24 insertions(+), 2 deletions(-)

diff --git a/net/mac80211/driver-trace.h b/net/mac80211/driver-trace.h
index b8fef1d1136..ee94ea0c67e 100644
--- a/net/mac80211/driver-trace.h
+++ b/net/mac80211/driver-trace.h
@@ -131,17 +131,35 @@ TRACE_EVENT(drv_config,
 		LOCAL_ENTRY
 		__field(u32, changed)
 		__field(int, ret)
+		__field(u32, flags)
+		__field(int, power_level)
+		__field(int, dynamic_ps_timeout)
+		__field(int, max_sleep_period)
+		__field(u16, listen_interval)
+		__field(u8, long_frame_max_tx_count)
+		__field(u8, short_frame_max_tx_count)
+		__field(int, center_freq)
+		__field(int, channel_type)
 	),
 
 	TP_fast_assign(
 		LOCAL_ASSIGN;
 		__entry->changed = changed;
 		__entry->ret = ret;
+		__entry->flags = local->hw.conf.flags;
+		__entry->power_level = local->hw.conf.power_level;
+		__entry->dynamic_ps_timeout = local->hw.conf.dynamic_ps_timeout;
+		__entry->max_sleep_period = local->hw.conf.max_sleep_period;
+		__entry->listen_interval = local->hw.conf.listen_interval;
+		__entry->long_frame_max_tx_count = local->hw.conf.long_frame_max_tx_count;
+		__entry->short_frame_max_tx_count = local->hw.conf.short_frame_max_tx_count;
+		__entry->center_freq = local->hw.conf.channel->center_freq;
+		__entry->channel_type = local->hw.conf.channel_type;
 	),
 
 	TP_printk(
-		LOCAL_PR_FMT " ch:%#x ret:%d",
-		LOCAL_PR_ARG, __entry->changed, __entry->ret
+		LOCAL_PR_FMT " ch:%#x freq:%d ret:%d",
+		LOCAL_PR_ARG, __entry->changed, __entry->center_freq, __entry->ret
 	)
 );
 
@@ -167,6 +185,8 @@ TRACE_EVENT(drv_bss_info_changed,
 		__field(u64, timestamp)
 		__field(u32, basic_rates)
 		__field(u32, changed)
+		__field(bool, enable_beacon)
+		__field(u16, ht_operation_mode)
 	),
 
 	TP_fast_assign(
@@ -183,6 +203,8 @@ TRACE_EVENT(drv_bss_info_changed,
 		__entry->assoc_cap = info->assoc_capability;
 		__entry->timestamp = info->timestamp;
 		__entry->basic_rates = info->basic_rates;
+		__entry->enable_beacon = info->enable_beacon;
+		__entry->ht_operation_mode = info->ht_operation_mode;
 	),
 
 	TP_printk(
-- 
GitLab


From a830df0714117574fd0d5fe98477059b3e9fd5bf Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Mon, 23 Nov 2009 22:33:27 +0100
Subject: [PATCH 1599/1815] ath9k: separate debugfs support from
 CONFIG_ATH_DEBUG

In my setups, ath9k's debugfs files are most of the time much more
useful than the messages generated by enabling CONFIG_ATH_DEBUG along
with the right debug flags.
Since CONFIG_ATH_DEBUG comes with a noticeable overhead on embedded
systems, this patch makes it possible to use the debugfs files without
that option.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/Kconfig  | 13 ++++---------
 drivers/net/wireless/ath/ath9k/Makefile |  2 +-
 drivers/net/wireless/ath/ath9k/ath9k.h  |  2 +-
 drivers/net/wireless/ath/ath9k/debug.c  |  6 ++++++
 drivers/net/wireless/ath/ath9k/debug.h  |  6 +++---
 5 files changed, 15 insertions(+), 14 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/Kconfig b/drivers/net/wireless/ath/ath9k/Kconfig
index 006364f76bb..03a1106ad72 100644
--- a/drivers/net/wireless/ath/ath9k/Kconfig
+++ b/drivers/net/wireless/ath/ath9k/Kconfig
@@ -23,17 +23,12 @@ config ATH9K
 
 	  If you choose to build a module, it'll be called ath9k.
 
-if ATH_DEBUG
-
-config ATH9K_DEBUG
+config ATH9K_DEBUGFS
 	bool "Atheros ath9k debugging"
 	depends on ATH9K
 	---help---
-	  Say Y, if you need ath9k to display debug messages.
-	  Pass the debug mask as a module parameter:
-
-	  modprobe ath9k debug=0x00000200
+	  Say Y, if you need access to ath9k's statistics for
+	  interrupts, rate control, etc.
 
-	  Look in ath9k/debug.h for possible debug masks
+	  Also required for changing debug message flags at run time.
 
-endif # ATH_DEBUG
diff --git a/drivers/net/wireless/ath/ath9k/Makefile b/drivers/net/wireless/ath/ath9k/Makefile
index e53f9680a38..4985b2b1b0a 100644
--- a/drivers/net/wireless/ath/ath9k/Makefile
+++ b/drivers/net/wireless/ath/ath9k/Makefile
@@ -7,7 +7,7 @@ ath9k-y +=	beacon.o \
 
 ath9k-$(CONFIG_PCI) += pci.o
 ath9k-$(CONFIG_ATHEROS_AR71XX) += ahb.o
-ath9k-$(CONFIG_ATH9K_DEBUG) += debug.o
+ath9k-$(CONFIG_ATH9K_DEBUGFS) += debug.o
 
 obj-$(CONFIG_ATH9K) += ath9k.o
 
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 42f79caa870..e2cef2ff5d8 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -486,7 +486,7 @@ struct ath_softc {
 
 	int beacon_interval;
 
-#ifdef CONFIG_ATH9K_DEBUG
+#ifdef CONFIG_ATH9K_DEBUGFS
 	struct ath9k_debug debug;
 #endif
 	struct ath_beacon_config cur_beacon_conf;
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 608fa06e531..b66f72dbf7b 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -31,6 +31,8 @@ static int ath9k_debugfs_open(struct inode *inode, struct file *file)
 	return 0;
 }
 
+#ifdef CONFIG_ATH_DEBUG
+
 static ssize_t read_file_debug(struct file *file, char __user *user_buf,
 			     size_t count, loff_t *ppos)
 {
@@ -71,6 +73,8 @@ static const struct file_operations fops_debug = {
 	.owner = THIS_MODULE
 };
 
+#endif
+
 static ssize_t read_file_dma(struct file *file, char __user *user_buf,
 			     size_t count, loff_t *ppos)
 {
@@ -563,10 +567,12 @@ int ath9k_init_debug(struct ath_hw *ah)
 	if (!sc->debug.debugfs_phy)
 		goto err;
 
+#ifdef CONFIG_ATH_DEBUG
 	sc->debug.debugfs_debug = debugfs_create_file("debug",
 		S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, sc, &fops_debug);
 	if (!sc->debug.debugfs_debug)
 		goto err;
+#endif
 
 	sc->debug.debugfs_dma = debugfs_create_file("dma", S_IRUSR,
 				       sc->debug.debugfs_phy, sc, &fops_dma);
diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h
index f282eeef669..536663e3ee1 100644
--- a/drivers/net/wireless/ath/ath9k/debug.h
+++ b/drivers/net/wireless/ath/ath9k/debug.h
@@ -23,13 +23,13 @@
 struct ath_txq;
 struct ath_buf;
 
-#ifdef CONFIG_ATH9K_DEBUG
+#ifdef CONFIG_ATH9K_DEBUGFS
 #define TX_STAT_INC(q, c) sc->debug.stats.txstats[q].c++
 #else
 #define TX_STAT_INC(q, c) do { } while (0)
 #endif
 
-#ifdef CONFIG_ATH9K_DEBUG
+#ifdef CONFIG_ATH9K_DEBUGFS
 
 /**
  * struct ath_interrupt_stats - Contains statistics about interrupts
@@ -186,6 +186,6 @@ static inline void ath_debug_stat_retries(struct ath_softc *sc, int rix,
 {
 }
 
-#endif /* CONFIG_ATH9K_DEBUG */
+#endif /* CONFIG_ATH9K_DEBUGFS */
 
 #endif /* DEBUG_H */
-- 
GitLab


From 67fbb16be69d138a3b6645ec5395b487cb915c58 Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Tue, 24 Nov 2009 23:59:15 +0100
Subject: [PATCH 1600/1815] nl80211: PMKSA caching support

This is an interface to set, delete and flush PMKIDs through nl80211.
Main users would be fullmac devices which firmwares are capable of
generating the RSN IEs for the re-association requests, e.g. iwmc3200wifi.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 include/linux/ieee80211.h |   2 +
 include/linux/nl80211.h   |  11 ++++
 include/net/cfg80211.h    |  28 +++++++++
 net/wireless/nl80211.c    | 120 ++++++++++++++++++++++++++++++++++++++
 4 files changed, 161 insertions(+)

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index afa8e0ac27a..d9724a28c0c 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -1266,6 +1266,8 @@ enum ieee80211_sa_query_action {
 
 #define WLAN_MAX_KEY_LEN		32
 
+#define WLAN_PMKID_LEN			16
+
 /**
  * ieee80211_get_qos_ctl - get pointer to qos control bytes
  * @hdr: the frame
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index 45db17f81aa..da8ea2e1927 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -349,6 +349,10 @@ enum nl80211_commands {
 	NL80211_CMD_GET_SURVEY,
 	NL80211_CMD_NEW_SURVEY_RESULTS,
 
+	NL80211_CMD_SET_PMKSA,
+	NL80211_CMD_DEL_PMKSA,
+	NL80211_CMD_FLUSH_PMKSA,
+
 	/* add new commands above here */
 
 	/* used to define NL80211_CMD_MAX below */
@@ -598,6 +602,10 @@ enum nl80211_commands {
  *      the survey response for %NL80211_CMD_GET_SURVEY, nested attribute
  *      containing info as possible, see &enum survey_info.
  *
+ * @NL80211_ATTR_PMKID: PMK material for PMKSA caching.
+ * @NL80211_ATTR_MAX_NUM_PMKIDS: maximum number of PMKIDs a firmware can
+ *	cache, a wiphy attribute.
+ *
  * @NL80211_ATTR_MAX: highest attribute number currently defined
  * @__NL80211_ATTR_AFTER_LAST: internal use
  */
@@ -732,6 +740,9 @@ enum nl80211_attrs {
 
 	NL80211_ATTR_SURVEY_INFO,
 
+	NL80211_ATTR_PMKID,
+	NL80211_ATTR_MAX_NUM_PMKIDS,
+
 	/* add attributes here, update the policy in nl80211.c */
 
 	__NL80211_ATTR_AFTER_LAST,
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index a6492e9bca9..0884b9a0f77 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -871,6 +871,19 @@ struct cfg80211_bitrate_mask {
 	u32 fixed;   /* fixed bitrate, 0 == not fixed */
 	u32 maxrate; /* in kbps, 0 == no limit */
 };
+/**
+ * struct cfg80211_pmksa - PMK Security Association
+ *
+ * This structure is passed to the set/del_pmksa() method for PMKSA
+ * caching.
+ *
+ * @bssid: The AP's BSSID.
+ * @pmkid: The PMK material itself.
+ */
+struct cfg80211_pmksa {
+	u8 *bssid;
+	u8 *pmkid;
+};
 
 /**
  * struct cfg80211_ops - backend description for wireless configuration
@@ -976,6 +989,13 @@ struct cfg80211_bitrate_mask {
  * @dump_survey: get site survey information.
  *
  * @testmode_cmd: run a test mode command
+ *
+ * @set_pmksa: Cache a PMKID for a BSSID. This is mostly useful for fullmac
+ *	devices running firmwares capable of generating the (re) association
+ *	RSN IE. It allows for faster roaming between WPA2 BSSIDs.
+ * @del_pmksa: Delete a cached PMKID.
+ * @flush_pmksa: Flush all cached PMKIDs.
+ *
  */
 struct cfg80211_ops {
 	int	(*suspend)(struct wiphy *wiphy);
@@ -1097,6 +1117,12 @@ struct cfg80211_ops {
 	int	(*dump_survey)(struct wiphy *wiphy, struct net_device *netdev,
 			int idx, struct survey_info *info);
 
+	int	(*set_pmksa)(struct wiphy *wiphy, struct net_device *netdev,
+			     struct cfg80211_pmksa *pmksa);
+	int	(*del_pmksa)(struct wiphy *wiphy, struct net_device *netdev,
+			     struct cfg80211_pmksa *pmksa);
+	int	(*flush_pmksa)(struct wiphy *wiphy, struct net_device *netdev);
+
 	/* some temporary stuff to finish wext */
 	int	(*set_power_mgmt)(struct wiphy *wiphy, struct net_device *dev,
 				  bool enabled, int timeout);
@@ -1195,6 +1221,8 @@ struct wiphy {
 	char fw_version[ETHTOOL_BUSINFO_LEN];
 	u32 hw_version;
 
+	u8 max_num_pmkids;
+
 	/* If multiple wiphys are registered and you're handed e.g.
 	 * a regular netdev with assigned ieee80211_ptr, you won't
 	 * know whether it points to a wiphy your driver has registered
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 149539ade15..a6028433e3a 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -139,6 +139,8 @@ static struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] __read_mostly = {
 	[NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
 	[NL80211_ATTR_PID] = { .type = NLA_U32 },
 	[NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
+	[NL80211_ATTR_PMKID] = { .type = NLA_BINARY,
+				 .len = WLAN_PMKID_LEN },
 };
 
 /* policy for the attributes */
@@ -450,6 +452,9 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
 		sizeof(u32) * dev->wiphy.n_cipher_suites,
 		dev->wiphy.cipher_suites);
 
+	NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
+		   dev->wiphy.max_num_pmkids);
+
 	nl_modes = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_IFTYPES);
 	if (!nl_modes)
 		goto nla_put_failure;
@@ -561,6 +566,9 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
 	CMD(deauth, DEAUTHENTICATE);
 	CMD(disassoc, DISASSOCIATE);
 	CMD(join_ibss, JOIN_IBSS);
+	CMD(set_pmksa, SET_PMKSA);
+	CMD(del_pmksa, DEL_PMKSA);
+	CMD(flush_pmksa, FLUSH_PMKSA);
 	if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
 		i++;
 		NLA_PUT_U32(msg, i, NL80211_CMD_SET_WIPHY_NETNS);
@@ -4221,6 +4229,99 @@ static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
 	return err;
 }
 
+static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
+{
+	struct cfg80211_registered_device *rdev;
+	int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
+			struct cfg80211_pmksa *pmksa) = NULL;
+	int err;
+	struct net_device *dev;
+	struct cfg80211_pmksa pmksa;
+
+	memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
+
+	if (!info->attrs[NL80211_ATTR_MAC])
+		return -EINVAL;
+
+	if (!info->attrs[NL80211_ATTR_PMKID])
+		return -EINVAL;
+
+	rtnl_lock();
+
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
+	if (err)
+		goto out_rtnl;
+
+	pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
+	pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
+
+	if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
+		err = -EOPNOTSUPP;
+		goto out;
+	}
+
+	switch (info->genlhdr->cmd) {
+	case NL80211_CMD_SET_PMKSA:
+		rdev_ops = rdev->ops->set_pmksa;
+		break;
+	case NL80211_CMD_DEL_PMKSA:
+		rdev_ops = rdev->ops->del_pmksa;
+		break;
+	default:
+		WARN_ON(1);
+		break;
+	}
+
+	if (!rdev_ops) {
+		err = -EOPNOTSUPP;
+		goto out;
+	}
+
+	err = rdev_ops(&rdev->wiphy, dev, &pmksa);
+
+ out:
+	cfg80211_unlock_rdev(rdev);
+	dev_put(dev);
+ out_rtnl:
+	rtnl_unlock();
+
+	return err;
+}
+
+static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
+{
+	struct cfg80211_registered_device *rdev;
+	int err;
+	struct net_device *dev;
+
+	rtnl_lock();
+
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
+	if (err)
+		goto out_rtnl;
+
+	if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
+		err = -EOPNOTSUPP;
+		goto out;
+	}
+
+	if (!rdev->ops->flush_pmksa) {
+		err = -EOPNOTSUPP;
+		goto out;
+	}
+
+	err = rdev->ops->flush_pmksa(&rdev->wiphy, dev);
+
+ out:
+	cfg80211_unlock_rdev(rdev);
+	dev_put(dev);
+ out_rtnl:
+	rtnl_unlock();
+
+	return err;
+
+}
+
 static struct genl_ops nl80211_ops[] = {
 	{
 		.cmd = NL80211_CMD_GET_WIPHY,
@@ -4465,6 +4566,25 @@ static struct genl_ops nl80211_ops[] = {
 		.policy = nl80211_policy,
 		.dumpit = nl80211_dump_survey,
 	},
+	{
+		.cmd = NL80211_CMD_SET_PMKSA,
+		.doit = nl80211_setdel_pmksa,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+	},
+	{
+		.cmd = NL80211_CMD_DEL_PMKSA,
+		.doit = nl80211_setdel_pmksa,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+	},
+	{
+		.cmd = NL80211_CMD_FLUSH_PMKSA,
+		.doit = nl80211_flush_pmksa,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+	},
+
 };
 static struct genl_multicast_group nl80211_mlme_mcgrp = {
 	.name = "mlme",
-- 
GitLab


From 2944b2c2d2dd884c550163c698577132588277d8 Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Wed, 25 Nov 2009 00:01:01 +0100
Subject: [PATCH 1601/1815] cfg80211: Add PMKSA wext compatibility handler

With the addition of the *_pmksa cfg80211 ops, we can now add the
corresponding wireless extensions compatibility handler.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/wireless/wext-compat.c | 42 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index 29091ac9f98..584eb4826e0 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -1401,6 +1401,47 @@ int cfg80211_wext_giwessid(struct net_device *dev,
 }
 EXPORT_SYMBOL_GPL(cfg80211_wext_giwessid);
 
+int cfg80211_wext_siwpmksa(struct net_device *dev,
+			   struct iw_request_info *info,
+			   struct iw_point *data, char *extra)
+{
+	struct wireless_dev *wdev = dev->ieee80211_ptr;
+	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+	struct cfg80211_pmksa cfg_pmksa;
+	struct iw_pmksa *pmksa = (struct iw_pmksa *)extra;
+
+	memset(&cfg_pmksa, 0, sizeof(struct cfg80211_pmksa));
+
+	if (wdev->iftype != NL80211_IFTYPE_STATION)
+		return -EINVAL;
+
+	cfg_pmksa.bssid = pmksa->bssid.sa_data;
+	cfg_pmksa.pmkid = pmksa->pmkid;
+
+	switch (pmksa->cmd) {
+	case IW_PMKSA_ADD:
+		if (!rdev->ops->set_pmksa)
+			return -EOPNOTSUPP;
+
+		return rdev->ops->set_pmksa(&rdev->wiphy, dev, &cfg_pmksa);
+
+	case IW_PMKSA_REMOVE:
+		if (!rdev->ops->del_pmksa)
+			return -EOPNOTSUPP;
+
+		return rdev->ops->del_pmksa(&rdev->wiphy, dev, &cfg_pmksa);
+
+	case IW_PMKSA_FLUSH:
+		if (!rdev->ops->flush_pmksa)
+			return -EOPNOTSUPP;
+
+		return rdev->ops->flush_pmksa(&rdev->wiphy, dev);
+
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
 static const iw_handler cfg80211_handlers[] = {
 	[IW_IOCTL_IDX(SIOCGIWNAME)]	= (iw_handler) cfg80211_wext_giwname,
 	[IW_IOCTL_IDX(SIOCSIWFREQ)]	= (iw_handler) cfg80211_wext_siwfreq,
@@ -1433,6 +1474,7 @@ static const iw_handler cfg80211_handlers[] = {
 	[IW_IOCTL_IDX(SIOCSIWAUTH)]	= (iw_handler) cfg80211_wext_siwauth,
 	[IW_IOCTL_IDX(SIOCGIWAUTH)]	= (iw_handler) cfg80211_wext_giwauth,
 	[IW_IOCTL_IDX(SIOCSIWENCODEEXT)]= (iw_handler) cfg80211_wext_siwencodeext,
+	[IW_IOCTL_IDX(SIOCSIWPMKSA)]	= (iw_handler) cfg80211_wext_siwpmksa,
 };
 
 const struct iw_handler_def cfg80211_wext_handler = {
-- 
GitLab


From 9bf22f2c4607dbb68beb26153d83fa52b82e2d2f Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Wed, 25 Nov 2009 00:02:26 +0100
Subject: [PATCH 1602/1815] iwmc3200wifi: Implement cfg80211 PMKSA API

We need to implement the PMKSA API for proper WPA2 pre-auth and fast
re-association. Our fullmac device generates all (re-)assoc IEs, and thus it
needs the right PMKIDs. With this implementation we now get them from
wpa_supplicant.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwmc3200wifi/cfg80211.c | 31 ++++++++++++++++++++
 drivers/net/wireless/iwmc3200wifi/commands.c | 22 ++++++++++++++
 drivers/net/wireless/iwmc3200wifi/commands.h | 13 ++++++++
 drivers/net/wireless/iwmc3200wifi/umac.h     |  2 ++
 4 files changed, 68 insertions(+)

diff --git a/drivers/net/wireless/iwmc3200wifi/cfg80211.c b/drivers/net/wireless/iwmc3200wifi/cfg80211.c
index 7cfc2c0a1fb..7c4f44a9c3e 100644
--- a/drivers/net/wireless/iwmc3200wifi/cfg80211.c
+++ b/drivers/net/wireless/iwmc3200wifi/cfg80211.c
@@ -725,6 +725,33 @@ static int iwm_cfg80211_set_power_mgmt(struct wiphy *wiphy,
 				       CFG_POWER_INDEX, iwm->conf.power_index);
 }
 
+int iwm_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
+			   struct cfg80211_pmksa *pmksa)
+{
+	struct iwm_priv *iwm = wiphy_to_iwm(wiphy);
+
+	return iwm_send_pmkid_update(iwm, pmksa, IWM_CMD_PMKID_ADD);
+}
+
+int iwm_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
+			   struct cfg80211_pmksa *pmksa)
+{
+	struct iwm_priv *iwm = wiphy_to_iwm(wiphy);
+
+	return iwm_send_pmkid_update(iwm, pmksa, IWM_CMD_PMKID_DEL);
+}
+
+int iwm_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev)
+{
+	struct iwm_priv *iwm = wiphy_to_iwm(wiphy);
+	struct cfg80211_pmksa pmksa;
+
+	memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
+
+	return iwm_send_pmkid_update(iwm, &pmksa, IWM_CMD_PMKID_FLUSH);
+}
+
+
 static struct cfg80211_ops iwm_cfg80211_ops = {
 	.change_virtual_intf = iwm_cfg80211_change_iface,
 	.add_key = iwm_cfg80211_add_key,
@@ -741,6 +768,9 @@ static struct cfg80211_ops iwm_cfg80211_ops = {
 	.set_tx_power = iwm_cfg80211_set_txpower,
 	.get_tx_power = iwm_cfg80211_get_txpower,
 	.set_power_mgmt = iwm_cfg80211_set_power_mgmt,
+	.set_pmksa = iwm_cfg80211_set_pmksa,
+	.del_pmksa = iwm_cfg80211_del_pmksa,
+	.flush_pmksa = iwm_cfg80211_flush_pmksa,
 };
 
 static const u32 cipher_suites[] = {
@@ -786,6 +816,7 @@ struct wireless_dev *iwm_wdev_alloc(int sizeof_bus, struct device *dev)
 
 	set_wiphy_dev(wdev->wiphy, dev);
 	wdev->wiphy->max_scan_ssids = UMAC_WIFI_IF_PROBE_OPTION_MAX;
+	wdev->wiphy->max_num_pmkids = UMAC_MAX_NUM_PMKIDS;
 	wdev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
 				       BIT(NL80211_IFTYPE_ADHOC);
 	wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &iwm_band_2ghz;
diff --git a/drivers/net/wireless/iwmc3200wifi/commands.c b/drivers/net/wireless/iwmc3200wifi/commands.c
index 46ca7c58f5a..bd0630755b3 100644
--- a/drivers/net/wireless/iwmc3200wifi/commands.c
+++ b/drivers/net/wireless/iwmc3200wifi/commands.c
@@ -960,3 +960,25 @@ int iwm_send_umac_stop_resume_tx(struct iwm_priv *iwm,
 				 sizeof(struct iwm_umac_cmd_stop_resume_tx));
 
 }
+
+int iwm_send_pmkid_update(struct iwm_priv *iwm,
+			  struct cfg80211_pmksa *pmksa, u32 command)
+{
+	struct iwm_umac_pmkid_update update;
+	int ret;
+
+	memset(&update, 0, sizeof(struct iwm_umac_pmkid_update));
+
+	update.command = cpu_to_le32(command);
+	memcpy(&update.bssid, pmksa->bssid, ETH_ALEN);
+	memcpy(&update.pmkid, pmksa->pmkid, WLAN_PMKID_LEN);
+
+	ret = iwm_send_wifi_if_cmd(iwm, &update,
+				   sizeof(struct iwm_umac_pmkid_update), 0);
+	if (ret) {
+		IWM_ERR(iwm, "PMKID update command failed\n");
+		return ret;
+	}
+
+	return 0;
+}
diff --git a/drivers/net/wireless/iwmc3200wifi/commands.h b/drivers/net/wireless/iwmc3200wifi/commands.h
index 95cdf941b22..06af0552cd7 100644
--- a/drivers/net/wireless/iwmc3200wifi/commands.h
+++ b/drivers/net/wireless/iwmc3200wifi/commands.h
@@ -458,6 +458,17 @@ struct iwm_umac_cmd_stop_resume_tx {
 	u16 reserved;
 } __attribute__ ((packed));
 
+#define IWM_CMD_PMKID_ADD   1
+#define IWM_CMD_PMKID_DEL   2
+#define IWM_CMD_PMKID_FLUSH 3
+
+struct iwm_umac_pmkid_update {
+	__le32 command;
+	u8 bssid[ETH_ALEN];
+	__le16 reserved;
+	u8 pmkid[WLAN_PMKID_LEN];
+} __attribute__ ((packed));
+
 /* LMAC commands */
 int iwm_read_mac(struct iwm_priv *iwm, u8 *mac);
 int iwm_send_prio_table(struct iwm_priv *iwm);
@@ -488,6 +499,8 @@ int iwm_scan_ssids(struct iwm_priv *iwm, struct cfg80211_ssid *ssids,
 int iwm_scan_one_ssid(struct iwm_priv *iwm, u8 *ssid, int ssid_len);
 int iwm_send_umac_stop_resume_tx(struct iwm_priv *iwm,
 				 struct iwm_umac_notif_stop_resume_tx *ntf);
+int iwm_send_pmkid_update(struct iwm_priv *iwm,
+			  struct cfg80211_pmksa *pmksa, u32 command);
 
 /* UDMA commands */
 int iwm_target_reset(struct iwm_priv *iwm);
diff --git a/drivers/net/wireless/iwmc3200wifi/umac.h b/drivers/net/wireless/iwmc3200wifi/umac.h
index 70094bfe7c9..7f54a145ca6 100644
--- a/drivers/net/wireless/iwmc3200wifi/umac.h
+++ b/drivers/net/wireless/iwmc3200wifi/umac.h
@@ -298,6 +298,7 @@ struct iwm_udma_out_wifi_hdr {
 #define UMAC_WIFI_IF_CMD_GLOBAL_TX_KEY_ID                0x1B
 #define UMAC_WIFI_IF_CMD_SET_HOST_EXTENDED_IE            0x1C
 #define UMAC_WIFI_IF_CMD_GET_SUPPORTED_CHANNELS          0x1E
+#define UMAC_WIFI_IF_CMD_PMKID_UPDATE                    0x1F
 #define UMAC_WIFI_IF_CMD_TX_PWR_TRIGGER                  0x20
 
 /* UMAC WiFi interface ports */
@@ -771,6 +772,7 @@ struct iwm_umac_notif_stop_resume_tx {
 	__le16 stop_resume_tid_msk; /* tid bitmask */
 } __attribute__ ((packed));
 
+#define UMAC_MAX_NUM_PMKIDS 4
 
 /* WiFi interface wrapper header */
 struct iwm_umac_wifi_if {
-- 
GitLab


From fdaa9aed21c8c8b529f3c94a5ffa138bf3360b75 Mon Sep 17 00:00:00 2001
From: Steve Hodgson <shodgson@solarflare.com>
Date: Sat, 28 Nov 2009 05:34:05 +0000
Subject: [PATCH 1603/1815] sfc: Simplify PHY polling

Falcon can generate events for LASI interrupts from the PHY, but in
practice we have never implemented this in reference designs.  Instead
we have polled, inserted the appropriate events, and then handled the
events later.  This is a waste of time and code.

Instead, make PHY poll functions update the link state synchronously
and report whether it changed.  We can still make use of the LASI
registers as a shortcut on the SFT9001.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c        | 35 +++++-------------
 drivers/net/sfc/efx.h        |  3 ++
 drivers/net/sfc/falcon.c     | 69 ++++++++++++++++++++++--------------
 drivers/net/sfc/falcon.h     |  1 -
 drivers/net/sfc/net_driver.h | 24 +++++++------
 drivers/net/sfc/qt202x_phy.c | 26 +++++---------
 drivers/net/sfc/tenxpress.c  | 69 ++++++++++++++----------------------
 7 files changed, 103 insertions(+), 124 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 1009d1eeba8..b5a7e91590d 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -583,7 +583,7 @@ void efx_schedule_slow_fill(struct efx_rx_queue *rx_queue, int delay)
  * netif_carrier_on/off) of the link status, and also maintains the
  * link status's stop on the port's TX queue.
  */
-static void efx_link_status_changed(struct efx_nic *efx)
+void efx_link_status_changed(struct efx_nic *efx)
 {
 	struct efx_link_state *link_state = &efx->link_state;
 
@@ -675,19 +675,6 @@ void efx_reconfigure_port(struct efx_nic *efx)
 	mutex_unlock(&efx->mac_lock);
 }
 
-/* Asynchronous efx_reconfigure_port work item. To speed up efx_flush_all()
- * we don't efx_reconfigure_port() if the port is disabled. Care is taken
- * in efx_stop_all() and efx_start_port() to prevent PHY events being lost */
-static void efx_phy_work(struct work_struct *data)
-{
-	struct efx_nic *efx = container_of(data, struct efx_nic, phy_work);
-
-	mutex_lock(&efx->mac_lock);
-	if (efx->port_enabled)
-		__efx_reconfigure_port(efx);
-	mutex_unlock(&efx->mac_lock);
-}
-
 /* Asynchronous work item for changing MAC promiscuity and multicast
  * hash.  Avoid a drain/rx_ingress enable by reconfiguring the current
  * MAC directly. */
@@ -768,9 +755,6 @@ fail1:
 	return rc;
 }
 
-/* Allow efx_reconfigure_port() to be scheduled, and close the window
- * between efx_stop_port and efx_flush_all whereby a previously scheduled
- * efx_phy_work()/efx_mac_work() may have been cancelled */
 static void efx_start_port(struct efx_nic *efx)
 {
 	EFX_LOG(efx, "start port\n");
@@ -787,10 +771,7 @@ static void efx_start_port(struct efx_nic *efx)
 	mutex_unlock(&efx->mac_lock);
 }
 
-/* Prevent efx_phy_work, efx_mac_work, and efx_monitor() from executing,
- * and efx_set_multicast_list() from scheduling efx_phy_work. efx_phy_work
- * and efx_mac_work may still be scheduled via NAPI processing until
- * efx_flush_all() is called */
+/* Prevent efx_mac_work() and efx_monitor() from working */
 static void efx_stop_port(struct efx_nic *efx)
 {
 	EFX_LOG(efx, "stop port\n");
@@ -1188,8 +1169,6 @@ static void efx_flush_all(struct efx_nic *efx)
 
 	/* Stop scheduled port reconfigurations */
 	cancel_work_sync(&efx->mac_work);
-	cancel_work_sync(&efx->phy_work);
-
 }
 
 /* Quiesce hardware and software without bringing the link down.
@@ -1227,7 +1206,7 @@ static void efx_stop_all(struct efx_nic *efx)
 	 * window to loose phy events */
 	efx_stop_port(efx);
 
-	/* Flush efx_phy_work, efx_mac_work, refill_workqueue, monitor_work */
+	/* Flush efx_mac_work(), refill_workqueue, monitor_work */
 	efx_flush_all(efx);
 
 	/* Isolate the MAC from the TX and RX engines, so that queue
@@ -1907,6 +1886,10 @@ void efx_port_dummy_op_void(struct efx_nic *efx) {}
 void efx_port_dummy_op_set_id_led(struct efx_nic *efx, enum efx_led_mode mode)
 {
 }
+bool efx_port_dummy_op_poll(struct efx_nic *efx)
+{
+	return false;
+}
 
 static struct efx_mac_operations efx_dummy_mac_operations = {
 	.reconfigure	= efx_port_dummy_op_void,
@@ -1915,9 +1898,8 @@ static struct efx_mac_operations efx_dummy_mac_operations = {
 static struct efx_phy_operations efx_dummy_phy_operations = {
 	.init		 = efx_port_dummy_op_int,
 	.reconfigure	 = efx_port_dummy_op_void,
-	.poll		 = efx_port_dummy_op_void,
+	.poll		 = efx_port_dummy_op_poll,
 	.fini		 = efx_port_dummy_op_void,
-	.clear_interrupt = efx_port_dummy_op_void,
 };
 
 /**************************************************************************
@@ -1957,7 +1939,6 @@ static int efx_init_struct(struct efx_nic *efx, struct efx_nic_type *type,
 	efx->mac_op = &efx_dummy_mac_operations;
 	efx->phy_op = &efx_dummy_phy_operations;
 	efx->mdio.dev = net_dev;
-	INIT_WORK(&efx->phy_work, efx_phy_work);
 	INIT_WORK(&efx->mac_work, efx_mac_work);
 	atomic_set(&efx->netif_stop_count, 1);
 
diff --git a/drivers/net/sfc/efx.h b/drivers/net/sfc/efx.h
index 01b93f93d31..15edda2a224 100644
--- a/drivers/net/sfc/efx.h
+++ b/drivers/net/sfc/efx.h
@@ -90,6 +90,7 @@ extern int efx_port_dummy_op_int(struct efx_nic *efx);
 extern void efx_port_dummy_op_void(struct efx_nic *efx);
 extern void
 efx_port_dummy_op_set_id_led(struct efx_nic *efx, enum efx_led_mode mode);
+extern bool efx_port_dummy_op_poll(struct efx_nic *efx);
 
 /* MTD */
 #ifdef CONFIG_SFC_MTD
@@ -113,4 +114,6 @@ static inline void efx_schedule_channel(struct efx_channel *channel)
 	napi_schedule(&channel->napi_str);
 }
 
+extern void efx_link_status_changed(struct efx_nic *efx);
+
 #endif /* EFX_EFX_H */
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index e26043eb01b..e16faad7028 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -893,8 +893,7 @@ static void falcon_handle_global_event(struct efx_channel *channel,
 	if (EFX_QWORD_FIELD(*event, FSF_AB_GLB_EV_G_PHY0_INTR) ||
 	    EFX_QWORD_FIELD(*event, FSF_AB_GLB_EV_XG_PHY0_INTR) ||
 	    EFX_QWORD_FIELD(*event, FSF_AB_GLB_EV_XFP_PHY0_INTR)) {
-		efx->phy_op->clear_interrupt(efx);
-		queue_work(efx->workqueue, &efx->phy_work);
+		/* Ignored */
 		handled = true;
 	}
 
@@ -1140,20 +1139,6 @@ void falcon_generate_test_event(struct efx_channel *channel, unsigned int magic)
 	falcon_generate_event(channel, &test_event);
 }
 
-void falcon_sim_phy_event(struct efx_nic *efx)
-{
-	efx_qword_t phy_event;
-
-	EFX_POPULATE_QWORD_1(phy_event, FSF_AZ_EV_CODE,
-			     FSE_AZ_EV_CODE_GLOBAL_EV);
-	if (EFX_IS10G(efx))
-		EFX_SET_QWORD_FIELD(phy_event, FSF_AB_GLB_EV_XG_PHY0_INTR, 1);
-	else
-		EFX_SET_QWORD_FIELD(phy_event, FSF_AB_GLB_EV_G_PHY0_INTR, 1);
-
-	falcon_generate_event(&efx->channel[0], &phy_event);
-}
-
 /**************************************************************************
  *
  * Flush handling
@@ -2063,6 +2048,25 @@ static void falcon_stats_timer_func(unsigned long context)
 	spin_unlock(&efx->stats_lock);
 }
 
+static bool falcon_loopback_link_poll(struct efx_nic *efx)
+{
+	struct efx_link_state old_state = efx->link_state;
+
+	WARN_ON(!mutex_is_locked(&efx->mac_lock));
+	WARN_ON(!LOOPBACK_INTERNAL(efx));
+
+	efx->link_state.fd = true;
+	efx->link_state.fc = efx->wanted_fc;
+	efx->link_state.up = true;
+
+	if (efx->loopback_mode == LOOPBACK_GMAC)
+		efx->link_state.speed = 1000;
+	else
+		efx->link_state.speed = 10000;
+
+	return !efx_link_state_equal(&efx->link_state, &old_state);
+}
+
 /**************************************************************************
  *
  * PHY access via GMII
@@ -2225,15 +2229,6 @@ int falcon_switch_mac(struct efx_nic *efx)
 	/* Don't try to fetch MAC stats while we're switching MACs */
 	falcon_stop_nic_stats(efx);
 
-	/* Internal loopbacks override the phy speed setting */
-	if (efx->loopback_mode == LOOPBACK_GMAC) {
-		efx->link_state.speed = 1000;
-		efx->link_state.fd = true;
-	} else if (LOOPBACK_INTERNAL(efx)) {
-		efx->link_state.speed = 10000;
-		efx->link_state.fd = true;
-	}
-
 	WARN_ON(!mutex_is_locked(&efx->mac_lock));
 	efx->mac_op = (EFX_IS10G(efx) ?
 		       &falcon_xmac_operations : &falcon_gmac_operations);
@@ -2610,16 +2605,36 @@ fail5:
 
 void falcon_monitor(struct efx_nic *efx)
 {
+	bool link_changed;
 	int rc;
 
+	BUG_ON(!mutex_is_locked(&efx->mac_lock));
+
 	rc = falcon_board(efx)->type->monitor(efx);
 	if (rc) {
 		EFX_ERR(efx, "Board sensor %s; shutting down PHY\n",
 			(rc == -ERANGE) ? "reported fault" : "failed");
 		efx->phy_mode |= PHY_MODE_LOW_POWER;
-		falcon_sim_phy_event(efx);
+		__efx_reconfigure_port(efx);
 	}
-	efx->phy_op->poll(efx);
+
+	if (LOOPBACK_INTERNAL(efx))
+		link_changed = falcon_loopback_link_poll(efx);
+	else
+		link_changed = efx->phy_op->poll(efx);
+
+	if (link_changed) {
+		falcon_stop_nic_stats(efx);
+		falcon_deconfigure_mac_wrapper(efx);
+
+		falcon_switch_mac(efx);
+		efx->mac_op->reconfigure(efx);
+
+		falcon_start_nic_stats(efx);
+
+		efx_link_status_changed(efx);
+	}
+
 	if (EFX_IS10G(efx))
 		falcon_poll_xmac(efx);
 }
diff --git a/drivers/net/sfc/falcon.h b/drivers/net/sfc/falcon.h
index c70bb084216..a561f6758bc 100644
--- a/drivers/net/sfc/falcon.h
+++ b/drivers/net/sfc/falcon.h
@@ -145,7 +145,6 @@ extern int falcon_init_interrupt(struct efx_nic *efx);
 extern void falcon_enable_interrupts(struct efx_nic *efx);
 extern void falcon_generate_test_event(struct efx_channel *channel,
 				       unsigned int magic);
-extern void falcon_sim_phy_event(struct efx_nic *efx);
 extern void falcon_generate_interrupt(struct efx_nic *efx);
 extern void falcon_set_int_moderation(struct efx_channel *channel);
 extern void falcon_disable_interrupts(struct efx_nic *efx);
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index ead1c982365..fb9327c5ea5 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -503,6 +503,13 @@ struct efx_link_state {
 	unsigned int speed;
 };
 
+static inline bool efx_link_state_equal(const struct efx_link_state *left,
+					const struct efx_link_state *right)
+{
+	return left->up == right->up && left->fd == right->fd &&
+		left->fc == right->fc && left->speed == right->speed;
+}
+
 /**
  * struct efx_mac_operations - Efx MAC operations table
  * @reconfigure: Reconfigure MAC. Serialised by the mac_lock
@@ -520,8 +527,8 @@ struct efx_mac_operations {
  * @init: Initialise PHY
  * @fini: Shut down PHY
  * @reconfigure: Reconfigure PHY (e.g. for new link parameters)
- * @clear_interrupt: Clear down interrupt
- * @poll: Poll for hardware state. Serialised by the mac_lock.
+ * @poll: Update @link_state and report whether it changed.
+ *	Serialised by the mac_lock.
  * @get_settings: Get ethtool settings. Serialised by the mac_lock.
  * @set_settings: Set ethtool settings. Serialised by the mac_lock.
  * @set_npage_adv: Set abilities advertised in (Extended) Next Page
@@ -538,8 +545,7 @@ struct efx_phy_operations {
 	int (*init) (struct efx_nic *efx);
 	void (*fini) (struct efx_nic *efx);
 	void (*reconfigure) (struct efx_nic *efx);
-	void (*clear_interrupt) (struct efx_nic *efx);
-	void (*poll) (struct efx_nic *efx);
+	bool (*poll) (struct efx_nic *efx);
 	void (*get_settings) (struct efx_nic *efx,
 			      struct ethtool_cmd *ecmd);
 	int (*set_settings) (struct efx_nic *efx,
@@ -700,10 +706,10 @@ union efx_multicast_hash {
  * @mac_lock: MAC access lock. Protects @port_enabled, @phy_mode,
  *	@port_inhibited, efx_monitor() and efx_reconfigure_port()
  * @port_enabled: Port enabled indicator.
- *	Serialises efx_stop_all(), efx_start_all(), efx_monitor(),
- *	efx_phy_work(), and efx_mac_work() with kernel interfaces. Safe to read
- *	under any one of the rtnl_lock, mac_lock, or netif_tx_lock, but all
- *	three must be held to modify it.
+ *	Serialises efx_stop_all(), efx_start_all(), efx_monitor() and
+ *	efx_mac_work() with kernel interfaces. Safe to read under any
+ *	one of the rtnl_lock, mac_lock, or netif_tx_lock, but all three must
+ *	be held to modify it.
  * @port_inhibited: If set, the netif_carrier is always off. Hold the mac_lock
  * @port_initialized: Port initialized?
  * @net_dev: Operating system network device. Consider holding the rtnl lock
@@ -729,7 +735,6 @@ union efx_multicast_hash {
  * @promiscuous: Promiscuous flag. Protected by netif_tx_lock.
  * @multicast_hash: Multicast hash table
  * @wanted_fc: Wanted flow control flags
- * @phy_work: work item for dealing with PHY events
  * @mac_work: Work item for changing MAC promiscuity and multicast hash
  * @loopback_mode: Loopback status
  * @loopback_modes: Supported loopback mode bitmask
@@ -802,7 +807,6 @@ struct efx_nic {
 
 	enum phy_type phy_type;
 	spinlock_t phy_lock;
-	struct work_struct phy_work;
 	struct efx_phy_operations *phy_op;
 	void *phy_data;
 	struct mdio_if_info mdio;
diff --git a/drivers/net/sfc/qt202x_phy.c b/drivers/net/sfc/qt202x_phy.c
index f9c354e9fc3..1b174c3e6c1 100644
--- a/drivers/net/sfc/qt202x_phy.c
+++ b/drivers/net/sfc/qt202x_phy.c
@@ -167,29 +167,26 @@ static int qt202x_phy_init(struct efx_nic *efx)
 	return rc;
 }
 
-static void qt202x_phy_clear_interrupt(struct efx_nic *efx)
-{
-	/* Read to clear link status alarm */
-	efx_mdio_read(efx, MDIO_MMD_PMAPMD, MDIO_PMA_LASI_STAT);
-}
-
 static int qt202x_link_ok(struct efx_nic *efx)
 {
 	return efx_mdio_links_ok(efx, QT202X_REQUIRED_DEVS);
 }
 
-static void qt202x_phy_poll(struct efx_nic *efx)
+static bool qt202x_phy_poll(struct efx_nic *efx)
 {
-	int link_up = qt202x_link_ok(efx);
-	/* Simulate a PHY event if link state has changed */
-	if (link_up != efx->link_state.up)
-		falcon_sim_phy_event(efx);
+	bool was_up = efx->link_state.up;
+
+	efx->link_state.up = qt202x_link_ok(efx);
+	efx->link_state.speed = 10000;
+	efx->link_state.fd = true;
+	efx->link_state.fc = efx->wanted_fc;
+
+	return efx->link_state.up != was_up;
 }
 
 static void qt202x_phy_reconfigure(struct efx_nic *efx)
 {
 	struct qt202x_phy_data *phy_data = efx->phy_data;
-	struct efx_link_state *link_state = &efx->link_state;
 
 	if (efx->phy_type == PHY_TYPE_QT2025C) {
 		/* There are several different register bits which can
@@ -216,10 +213,6 @@ static void qt202x_phy_reconfigure(struct efx_nic *efx)
 	efx_mdio_phy_reconfigure(efx);
 
 	phy_data->phy_mode = efx->phy_mode;
-	link_state->up = qt202x_link_ok(efx);
-	link_state->speed = 10000;
-	link_state->fd = true;
-	link_state->fc = efx->wanted_fc;
 }
 
 static void qt202x_phy_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
@@ -240,7 +233,6 @@ struct efx_phy_operations falcon_qt202x_phy_ops = {
 	.reconfigure	 = qt202x_phy_reconfigure,
 	.poll	     	 = qt202x_phy_poll,
 	.fini	  	 = qt202x_phy_fini,
-	.clear_interrupt = qt202x_phy_clear_interrupt,
 	.get_settings	 = qt202x_phy_get_settings,
 	.set_settings	 = efx_mdio_set_settings,
 	.mmds            = QT202X_REQUIRED_DEVS,
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c
index e6232fe2607..1bd79650a00 100644
--- a/drivers/net/sfc/tenxpress.c
+++ b/drivers/net/sfc/tenxpress.c
@@ -503,7 +503,6 @@ static void tenxpress_low_power(struct efx_nic *efx)
 static void tenxpress_phy_reconfigure(struct efx_nic *efx)
 {
 	struct tenxpress_phy_data *phy_data = efx->phy_data;
-	struct efx_link_state *link_state = &efx->link_state;
 	struct ethtool_cmd ecmd;
 	bool phy_mode_change, loop_reset;
 
@@ -544,53 +543,41 @@ static void tenxpress_phy_reconfigure(struct efx_nic *efx)
 
 	phy_data->loopback_mode = efx->loopback_mode;
 	phy_data->phy_mode = efx->phy_mode;
-
-	if (efx->phy_type == PHY_TYPE_SFX7101) {
-		link_state->speed = 10000;
-		link_state->fd = true;
-		link_state->up = sfx7101_link_ok(efx);
-	} else {
-		efx->phy_op->get_settings(efx, &ecmd);
-		link_state->speed = ecmd.speed;
-		link_state->fd = ecmd.duplex == DUPLEX_FULL;
-		link_state->up = sft9001_link_ok(efx, &ecmd);
-	}
-	link_state->fc = efx_mdio_get_pause(efx);
 }
 
-/* Poll PHY for interrupt */
-static void tenxpress_phy_poll(struct efx_nic *efx)
+static void
+tenxpress_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd);
+
+/* Poll for link state changes */
+static bool tenxpress_phy_poll(struct efx_nic *efx)
 {
-	struct tenxpress_phy_data *phy_data = efx->phy_data;
-	struct efx_link_state *link_state = &efx->link_state;
-	bool change = false;
+	struct efx_link_state old_state = efx->link_state;
 
 	if (efx->phy_type == PHY_TYPE_SFX7101) {
-		bool link_ok = sfx7101_link_ok(efx);
-		if (link_ok != link_state->up) {
-			change = true;
-		} else {
-			unsigned int link_fc = efx_mdio_get_pause(efx);
-			if (link_fc != link_state->fc)
-				change = true;
-		}
-		sfx7101_check_bad_lp(efx, link_ok);
-	} else if (efx->loopback_mode) {
-		bool link_ok = sft9001_link_ok(efx, NULL);
-		if (link_ok != link_state->up)
-			change = true;
+		efx->link_state.up = sfx7101_link_ok(efx);
+		efx->link_state.speed = 10000;
+		efx->link_state.fd = true;
+		efx->link_state.fc = efx_mdio_get_pause(efx);
+
+		sfx7101_check_bad_lp(efx, efx->link_state.up);
 	} else {
-		int status = efx_mdio_read(efx, MDIO_MMD_PMAPMD,
-					   MDIO_PMA_LASI_STAT);
-		if (status & MDIO_PMA_LASI_LSALARM)
-			change = true;
-	}
+		struct ethtool_cmd ecmd;
 
-	if (change)
-		falcon_sim_phy_event(efx);
+		/* Check the LASI alarm first */
+		if (efx->loopback_mode == LOOPBACK_NONE &&
+		    !(efx_mdio_read(efx, MDIO_MMD_PMAPMD, MDIO_PMA_LASI_STAT) &
+		      MDIO_PMA_LASI_LSALARM))
+			return false;
 
-	if (phy_data->phy_mode != PHY_MODE_NORMAL)
-		return;
+		tenxpress_get_settings(efx, &ecmd);
+
+		efx->link_state.up = sft9001_link_ok(efx, &ecmd);
+		efx->link_state.speed = ecmd.speed;
+		efx->link_state.fd = (ecmd.duplex == DUPLEX_FULL);
+		efx->link_state.fc = efx_mdio_get_pause(efx);
+	}
+
+	return !efx_link_state_equal(&efx->link_state, &old_state);
 }
 
 static void tenxpress_phy_fini(struct efx_nic *efx)
@@ -818,7 +805,6 @@ struct efx_phy_operations falcon_sfx7101_phy_ops = {
 	.reconfigure      = tenxpress_phy_reconfigure,
 	.poll             = tenxpress_phy_poll,
 	.fini             = tenxpress_phy_fini,
-	.clear_interrupt  = efx_port_dummy_op_void,
 	.get_settings	  = tenxpress_get_settings,
 	.set_settings	  = tenxpress_set_settings,
 	.set_npage_adv    = sfx7101_set_npage_adv,
@@ -835,7 +821,6 @@ struct efx_phy_operations falcon_sft9001_phy_ops = {
 	.reconfigure      = tenxpress_phy_reconfigure,
 	.poll             = tenxpress_phy_poll,
 	.fini             = tenxpress_phy_fini,
-	.clear_interrupt  = efx_port_dummy_op_void,
 	.get_settings	  = tenxpress_get_settings,
 	.set_settings	  = tenxpress_set_settings,
 	.set_npage_adv    = sft9001_set_npage_adv,
-- 
GitLab


From 47c3d19f60da7cc018781744b1ffb3b557373e7f Mon Sep 17 00:00:00 2001
From: Steve Hodgson <shodgson@solarflare.com>
Date: Sat, 28 Nov 2009 05:34:29 +0000
Subject: [PATCH 1604/1815] sfc: QT202x: Reset before reading PHY id

Reading standard registers on the QT2025C before its firmware has
booted may cause the boot process to fail.  Therefore, follow the
recommended reset sequence before reading its id registers.  Either
order works for the QT2022C2, so don't differentiate.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/qt202x_phy.c | 22 ++++++++--------------
 1 file changed, 8 insertions(+), 14 deletions(-)

diff --git a/drivers/net/sfc/qt202x_phy.c b/drivers/net/sfc/qt202x_phy.c
index 1b174c3e6c1..3d7370e3978 100644
--- a/drivers/net/sfc/qt202x_phy.c
+++ b/drivers/net/sfc/qt202x_phy.c
@@ -138,33 +138,27 @@ static int qt202x_reset_phy(struct efx_nic *efx)
 static int qt202x_phy_init(struct efx_nic *efx)
 {
 	struct qt202x_phy_data *phy_data;
-	u32 devid = efx_mdio_read_id(efx, MDIO_MMD_PHYXS);
+	u32 devid;
 	int rc;
 
+	rc = qt202x_reset_phy(efx);
+	if (rc) {
+		EFX_ERR(efx, "PHY init failed\n");
+		return rc;
+	}
+
 	phy_data = kzalloc(sizeof(struct qt202x_phy_data), GFP_KERNEL);
 	if (!phy_data)
 		return -ENOMEM;
 	efx->phy_data = phy_data;
 
+	devid = efx_mdio_read_id(efx, MDIO_MMD_PHYXS);
 	EFX_INFO(efx, "PHY ID reg %x (OUI %06x model %02x revision %x)\n",
 		 devid, efx_mdio_id_oui(devid), efx_mdio_id_model(devid),
 		 efx_mdio_id_rev(devid));
 
 	phy_data->phy_mode = efx->phy_mode;
-
-	rc = qt202x_reset_phy(efx);
-
-	EFX_INFO(efx, "PHY init %s.\n",
-		 rc ? "failed" : "successful");
-	if (rc < 0)
-		goto fail;
-
 	return 0;
-
- fail:
-	kfree(efx->phy_data);
-	efx->phy_data = NULL;
-	return rc;
 }
 
 static int qt202x_link_ok(struct efx_nic *efx)
-- 
GitLab


From ab86746175a5e1379abb9c7c38522af4d3176f57 Mon Sep 17 00:00:00 2001
From: Steve Hodgson <shodgson@solarflare.com>
Date: Sat, 28 Nov 2009 05:34:44 +0000
Subject: [PATCH 1605/1815] sfc: Replace MDIO spinlock with mutex

We never use MDIO in atomic context, so we don't need to spin.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c        |  2 +-
 drivers/net/sfc/falcon.c     | 12 ++++++------
 drivers/net/sfc/net_driver.h |  4 ++--
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index b5a7e91590d..6338ad8dbfb 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -1922,7 +1922,7 @@ static int efx_init_struct(struct efx_nic *efx, struct efx_nic_type *type,
 	/* Initialise common structures */
 	memset(efx, 0, sizeof(*efx));
 	spin_lock_init(&efx->biu_lock);
-	spin_lock_init(&efx->phy_lock);
+	mutex_init(&efx->mdio_lock);
 	mutex_init(&efx->spi_lock);
 	INIT_WORK(&efx->reset_work, efx_reset_work);
 	INIT_DELAYED_WORK(&efx->monitor_work, efx_monitor);
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index e16faad7028..372dbbc7240 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -2110,7 +2110,7 @@ static int falcon_mdio_write(struct net_device *net_dev,
 	EFX_REGDUMP(efx, "writing MDIO %d register %d.%d with 0x%04x\n",
 		    prtad, devad, addr, value);
 
-	spin_lock_bh(&efx->phy_lock);
+	mutex_lock(&efx->mdio_lock);
 
 	/* Check MDIO not currently being accessed */
 	rc = falcon_gmii_wait(efx);
@@ -2145,8 +2145,8 @@ static int falcon_mdio_write(struct net_device *net_dev,
 		udelay(10);
 	}
 
- out:
-	spin_unlock_bh(&efx->phy_lock);
+out:
+	mutex_unlock(&efx->mdio_lock);
 	return rc;
 }
 
@@ -2158,7 +2158,7 @@ static int falcon_mdio_read(struct net_device *net_dev,
 	efx_oword_t reg;
 	int rc;
 
-	spin_lock_bh(&efx->phy_lock);
+	mutex_lock(&efx->mdio_lock);
 
 	/* Check MDIO not currently being accessed */
 	rc = falcon_gmii_wait(efx);
@@ -2194,8 +2194,8 @@ static int falcon_mdio_read(struct net_device *net_dev,
 			prtad, devad, addr, rc);
 	}
 
- out:
-	spin_unlock_bh(&efx->phy_lock);
+out:
+	mutex_unlock(&efx->mdio_lock);
 	return rc;
 }
 
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index fb9327c5ea5..0aeaeda9db7 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -724,7 +724,7 @@ union efx_multicast_hash {
  * @mac_op: MAC interface
  * @mac_address: Permanent MAC address
  * @phy_type: PHY type
- * @phy_lock: PHY access lock
+ * @mdio_lock: MDIO lock
  * @phy_op: PHY interface
  * @phy_data: PHY private data (including PHY-specific stats)
  * @mdio: PHY MDIO interface
@@ -806,7 +806,7 @@ struct efx_nic {
 	unsigned char mac_address[ETH_ALEN];
 
 	enum phy_type phy_type;
-	spinlock_t phy_lock;
+	struct mutex mdio_lock;
 	struct efx_phy_operations *phy_op;
 	void *phy_data;
 	struct mdio_if_info mdio;
-- 
GitLab


From b895d73e9836fccc402e48a8f63e6805d2edc87b Mon Sep 17 00:00:00 2001
From: Steve Hodgson <shodgson@solarflare.com>
Date: Sat, 28 Nov 2009 05:35:00 +0000
Subject: [PATCH 1606/1815] sfc: Always start Falcon using the XMAC

The strap bits are only important on Falcon A and all production
boards using it have fixed-speed 10G PHYs.

Replace dummy MAC operations with default MAC operations.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c        |  6 +-----
 drivers/net/sfc/falcon.c     | 15 ++++++++++++---
 drivers/net/sfc/net_driver.h |  3 +++
 3 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 6338ad8dbfb..bed45a59987 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -1891,10 +1891,6 @@ bool efx_port_dummy_op_poll(struct efx_nic *efx)
 	return false;
 }
 
-static struct efx_mac_operations efx_dummy_mac_operations = {
-	.reconfigure	= efx_port_dummy_op_void,
-};
-
 static struct efx_phy_operations efx_dummy_phy_operations = {
 	.init		 = efx_port_dummy_op_int,
 	.reconfigure	 = efx_port_dummy_op_void,
@@ -1936,7 +1932,7 @@ static int efx_init_struct(struct efx_nic *efx, struct efx_nic_type *type,
 	spin_lock_init(&efx->netif_stop_lock);
 	spin_lock_init(&efx->stats_lock);
 	mutex_init(&efx->mac_lock);
-	efx->mac_op = &efx_dummy_mac_operations;
+	efx->mac_op = type->default_mac_ops;
 	efx->phy_op = &efx_dummy_phy_operations;
 	efx->mdio.dev = net_dev;
 	INIT_WORK(&efx->mac_work, efx_mac_work);
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 372dbbc7240..9c4f8985aa7 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -2291,6 +2291,10 @@ int falcon_probe_port(struct efx_nic *efx)
 	efx->mdio.mdio_read = falcon_mdio_read;
 	efx->mdio.mdio_write = falcon_mdio_write;
 
+	/* Initial assumption */
+	efx->link_state.speed = 10000;
+	efx->link_state.fd = true;
+
 	/* Hardware flow ctrl. FalconA RX FIFO too small for pause generation */
 	if (falcon_rev(efx) >= FALCON_REV_B0)
 		efx->wanted_fc = EFX_FC_RX | EFX_FC_TX;
@@ -2809,6 +2813,10 @@ static int falcon_probe_nic_variant(struct efx_nic *efx)
 		return -ENODEV;
 
 	case FALCON_REV_A1:
+		if (EFX_OWORD_FIELD(nic_stat, FRF_AB_STRAP_10G) == 0) {
+			EFX_ERR(efx, "Falcon rev A1 1G not supported\n");
+			return -ENODEV;
+		}
 		if (EFX_OWORD_FIELD(nic_stat, FRF_AA_STRAP_PCIE) == 0) {
 			EFX_ERR(efx, "Falcon rev A1 PCI-X not supported\n");
 			return -ENODEV;
@@ -2823,9 +2831,6 @@ static int falcon_probe_nic_variant(struct efx_nic *efx)
 		return -ENODEV;
 	}
 
-	/* Initial assumed speed */
-	efx->link_state.speed = EFX_OWORD_FIELD(nic_stat, FRF_AB_STRAP_10G) ? 10000 : 1000;
-
 	return 0;
 }
 
@@ -3238,6 +3243,8 @@ void falcon_stop_nic_stats(struct efx_nic *efx)
  */
 
 struct efx_nic_type falcon_a_nic_type = {
+	.default_mac_ops = &falcon_xmac_operations,
+
 	.mem_map_size = 0x20000,
 	.txd_ptr_tbl_base = FR_AA_TX_DESC_PTR_TBL_KER,
 	.rxd_ptr_tbl_base = FR_AA_RX_DESC_PTR_TBL_KER,
@@ -3251,6 +3258,8 @@ struct efx_nic_type falcon_a_nic_type = {
 };
 
 struct efx_nic_type falcon_b_nic_type = {
+	.default_mac_ops = &falcon_xmac_operations,
+
 	/* Map everything up to and including the RSS indirection
 	 * table.  Don't map MSI-X table, MSI-X PBA since Linux
 	 * requires that they not be mapped.  */
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index 0aeaeda9db7..57f861468c1 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -843,6 +843,7 @@ static inline const char *efx_dev_name(struct efx_nic *efx)
 
 /**
  * struct efx_nic_type - Efx device type definition
+ * @default_mac_ops: efx_mac_operations to set at startup
  * @mem_map_size: Memory BAR mapped size
  * @txd_ptr_tbl_base: TX descriptor ring base address
  * @rxd_ptr_tbl_base: RX descriptor ring base address
@@ -857,6 +858,8 @@ static inline const char *efx_dev_name(struct efx_nic *efx)
  *	descriptors
  */
 struct efx_nic_type {
+	struct efx_mac_operations *default_mac_ops;
+
 	unsigned int mem_map_size;
 	unsigned int txd_ptr_tbl_base;
 	unsigned int rxd_ptr_tbl_base;
-- 
GitLab


From fb45f2c154be470ad950bcf16f3662ec0ca48695 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Sat, 28 Nov 2009 05:35:09 +0000
Subject: [PATCH 1607/1815] sfc: Limit some hardware workarounds to Falcon

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/ethtool.c     | 2 +-
 drivers/net/sfc/workarounds.h | 5 +++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index bb9abf24f54..6515b8a4b38 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -683,7 +683,7 @@ static int efx_ethtool_set_pauseparam(struct net_device *net_dev,
 	 * and fix it be cycling transmit flow control on this end. */
 	reset = (wanted_fc & EFX_FC_TX) && !(efx->wanted_fc & EFX_FC_TX);
 	if (EFX_WORKAROUND_11482(efx) && reset) {
-		if (falcon_rev(efx) >= FALCON_REV_B0) {
+		if (falcon_rev(efx) == FALCON_REV_B0) {
 			/* Recover by resetting the EM block */
 			if (efx->link_state.up)
 				falcon_drain_tx_fifo(efx);
diff --git a/drivers/net/sfc/workarounds.h b/drivers/net/sfc/workarounds.h
index 32502994948..84e579e40b8 100644
--- a/drivers/net/sfc/workarounds.h
+++ b/drivers/net/sfc/workarounds.h
@@ -17,6 +17,7 @@
 
 #define EFX_WORKAROUND_ALWAYS(efx) 1
 #define EFX_WORKAROUND_FALCON_A(efx) (falcon_rev(efx) <= FALCON_REV_A1)
+#define EFX_WORKAROUND_FALCON_AB(efx) (falcon_rev(efx) <= FALCON_REV_B0)
 #define EFX_WORKAROUND_10G(efx) EFX_IS10G(efx)
 #define EFX_WORKAROUND_SFT9001(efx) ((efx)->phy_type == PHY_TYPE_SFT9001A || \
 				     (efx)->phy_type == PHY_TYPE_SFT9001B)
@@ -33,11 +34,11 @@
  * or a PCIe error (bug 11028) */
 #define EFX_WORKAROUND_10727 EFX_WORKAROUND_ALWAYS
 /* Transmit flow control may get disabled */
-#define EFX_WORKAROUND_11482 EFX_WORKAROUND_ALWAYS
+#define EFX_WORKAROUND_11482 EFX_WORKAROUND_FALCON_AB
 /* Flush events can take a very long time to appear */
 #define EFX_WORKAROUND_11557 EFX_WORKAROUND_ALWAYS
 /* Truncated IPv4 packets can confuse the TX packet parser */
-#define EFX_WORKAROUND_15592 EFX_WORKAROUND_ALWAYS
+#define EFX_WORKAROUND_15592 EFX_WORKAROUND_FALCON_AB
 
 /* Spurious parity errors in TSORT buffers */
 #define EFX_WORKAROUND_5129 EFX_WORKAROUND_FALCON_A
-- 
GitLab


From 0589ece031e31a238e60057ef2abfa1ff18d46d0 Mon Sep 17 00:00:00 2001
From: Matthew Slattery <mslattery@solarflare.com>
Date: Sat, 28 Nov 2009 05:35:24 +0000
Subject: [PATCH 1608/1815] sfc: Remove EFX_WORKAROUND_9141 macro

The "bug9141 workaround" of setting TX_FLUSH_MIN_LEN_EN should really
be considered as a normal bit of configuration rather than a
workaround.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/falcon.c      | 2 +-
 drivers/net/sfc/workarounds.h | 2 --
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 9c4f8985aa7..b186fd2c9b6 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -3128,7 +3128,7 @@ int falcon_init_nic(struct efx_nic *efx)
 	/* Prefetch threshold 2 => fetch when descriptor cache half empty */
 	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_PREF_THRESHOLD, 2);
 	/* Squash TX of packets of 16 bytes or less */
-	if (falcon_rev(efx) >= FALCON_REV_B0 && EFX_WORKAROUND_9141(efx))
+	if (falcon_rev(efx) >= FALCON_REV_B0)
 		EFX_SET_OWORD_FIELD(temp, FRF_BZ_TX_FLUSH_MIN_LEN_EN, 1);
 	efx_writeo(efx, &temp, FR_AZ_TX_RESERVED);
 
diff --git a/drivers/net/sfc/workarounds.h b/drivers/net/sfc/workarounds.h
index 84e579e40b8..bad09320b5f 100644
--- a/drivers/net/sfc/workarounds.h
+++ b/drivers/net/sfc/workarounds.h
@@ -28,8 +28,6 @@
 #define EFX_WORKAROUND_7575 EFX_WORKAROUND_ALWAYS
 /* Bit-bashed I2C reads cause performance drop */
 #define EFX_WORKAROUND_7884 EFX_WORKAROUND_10G
-/* TX pkt parser problem with <= 16 byte TXes */
-#define EFX_WORKAROUND_9141 EFX_WORKAROUND_ALWAYS
 /* TX_EV_PKT_ERR can be caused by a dangling TX descriptor
  * or a PCIe error (bug 11028) */
 #define EFX_WORKAROUND_10727 EFX_WORKAROUND_ALWAYS
-- 
GitLab


From 45d03e59b39ceef9f05b8622a94aa7235003a2c9 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Sat, 28 Nov 2009 05:35:30 +0000
Subject: [PATCH 1609/1815] sfc: Remove another unused workaround macro

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/workarounds.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/sfc/workarounds.h b/drivers/net/sfc/workarounds.h
index bad09320b5f..209ee1e9094 100644
--- a/drivers/net/sfc/workarounds.h
+++ b/drivers/net/sfc/workarounds.h
@@ -33,8 +33,6 @@
 #define EFX_WORKAROUND_10727 EFX_WORKAROUND_ALWAYS
 /* Transmit flow control may get disabled */
 #define EFX_WORKAROUND_11482 EFX_WORKAROUND_FALCON_AB
-/* Flush events can take a very long time to appear */
-#define EFX_WORKAROUND_11557 EFX_WORKAROUND_ALWAYS
 /* Truncated IPv4 packets can confuse the TX packet parser */
 #define EFX_WORKAROUND_15592 EFX_WORKAROUND_FALCON_AB
 
-- 
GitLab


From 299f8d69f3590fdbd7b22880234196de3b39ceca Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Sat, 28 Nov 2009 05:35:36 +0000
Subject: [PATCH 1610/1815] sfc: Remove some redundant whitespace

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/net_driver.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index 57f861468c1..ca7dff2269d 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -866,9 +866,7 @@ struct efx_nic_type {
 	unsigned int buf_tbl_base;
 	unsigned int evq_ptr_tbl_base;
 	unsigned int evq_rptr_tbl_base;
-
 	u64 max_dma_mask;
-
 	unsigned int rx_buffer_padding;
 	unsigned int max_interrupt_mode;
 	unsigned int phys_addr_channels;
-- 
GitLab


From daeda6309e1382819a8f8bab548560742ac26cc2 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Sat, 28 Nov 2009 05:36:04 +0000
Subject: [PATCH 1611/1815] sfc: Decouple NIC revision number from Falcon PCI
 revision number

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c         |  4 +--
 drivers/net/sfc/ethtool.c     |  2 +-
 drivers/net/sfc/falcon.c      | 68 ++++++++++++++++-------------------
 drivers/net/sfc/falcon.h      | 16 ++++-----
 drivers/net/sfc/falcon_xmac.c |  2 +-
 drivers/net/sfc/net_driver.h  |  2 ++
 drivers/net/sfc/selftest.c    |  2 +-
 drivers/net/sfc/workarounds.h |  4 +--
 8 files changed, 48 insertions(+), 52 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index bed45a59987..f5e81114270 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -1863,9 +1863,9 @@ void efx_schedule_reset(struct efx_nic *efx, enum reset_type type)
 /* PCI device ID table */
 static struct pci_device_id efx_pci_table[] __devinitdata = {
 	{PCI_DEVICE(EFX_VENDID_SFC, FALCON_A_P_DEVID),
-	 .driver_data = (unsigned long) &falcon_a_nic_type},
+	 .driver_data = (unsigned long) &falcon_a1_nic_type},
 	{PCI_DEVICE(EFX_VENDID_SFC, FALCON_B_P_DEVID),
-	 .driver_data = (unsigned long) &falcon_b_nic_type},
+	 .driver_data = (unsigned long) &falcon_b0_nic_type},
 	{0}			/* end of list */
 };
 
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index 6515b8a4b38..5d2e186e671 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -683,7 +683,7 @@ static int efx_ethtool_set_pauseparam(struct net_device *net_dev,
 	 * and fix it be cycling transmit flow control on this end. */
 	reset = (wanted_fc & EFX_FC_TX) && !(efx->wanted_fc & EFX_FC_TX);
 	if (EFX_WORKAROUND_11482(efx) && reset) {
-		if (falcon_rev(efx) == FALCON_REV_B0) {
+		if (efx_nic_rev(efx) == EFX_REV_FALCON_B0) {
 			/* Recover by resetting the EM block */
 			if (efx->link_state.up)
 				falcon_drain_tx_fifo(efx);
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index b186fd2c9b6..7c9c9c93595 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -111,7 +111,7 @@ MODULE_PARM_DESC(rx_xon_thresh_bytes, "RX fifo XON threshold");
 #define FALCON_RX_FLUSH_COUNT 4
 
 #define FALCON_IS_DUAL_FUNC(efx)		\
-	(falcon_rev(efx) < FALCON_REV_B0)
+	(efx_nic_rev(efx) < EFX_REV_FALCON_B0)
 
 /**************************************************************************
  *
@@ -447,7 +447,7 @@ void falcon_init_tx(struct efx_tx_queue *tx_queue)
 			      FRF_AZ_TX_DESCQ_TYPE, 0,
 			      FRF_BZ_TX_NON_IP_DROP_DIS, 1);
 
-	if (falcon_rev(efx) >= FALCON_REV_B0) {
+	if (efx_nic_rev(efx) >= EFX_REV_FALCON_B0) {
 		int csum = tx_queue->queue == EFX_TX_QUEUE_OFFLOAD_CSUM;
 		EFX_SET_OWORD_FIELD(tx_desc_ptr, FRF_BZ_TX_IP_CHKSM_DIS, !csum);
 		EFX_SET_OWORD_FIELD(tx_desc_ptr, FRF_BZ_TX_TCP_CHKSM_DIS,
@@ -457,7 +457,7 @@ void falcon_init_tx(struct efx_tx_queue *tx_queue)
 	efx_writeo_table(efx, &tx_desc_ptr, efx->type->txd_ptr_tbl_base,
 			 tx_queue->queue);
 
-	if (falcon_rev(efx) < FALCON_REV_B0) {
+	if (efx_nic_rev(efx) < EFX_REV_FALCON_B0) {
 		efx_oword_t reg;
 
 		/* Only 128 bits in this register */
@@ -574,7 +574,7 @@ void falcon_init_rx(struct efx_rx_queue *rx_queue)
 {
 	efx_oword_t rx_desc_ptr;
 	struct efx_nic *efx = rx_queue->efx;
-	bool is_b0 = falcon_rev(efx) >= FALCON_REV_B0;
+	bool is_b0 = efx_nic_rev(efx) >= EFX_REV_FALCON_B0;
 	bool iscsi_digest_en = is_b0;
 
 	EFX_LOG(efx, "RX queue %d ring in special buffers %d-%d\n",
@@ -752,7 +752,7 @@ static void falcon_handle_rx_not_ok(struct efx_rx_queue *rx_queue,
 						   FSF_AZ_RX_EV_TCP_UDP_CHKSUM_ERR);
 	rx_ev_eth_crc_err = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_ETH_CRC_ERR);
 	rx_ev_frm_trunc = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_FRM_TRUNC);
-	rx_ev_drib_nib = ((falcon_rev(efx) >= FALCON_REV_B0) ?
+	rx_ev_drib_nib = ((efx_nic_rev(efx) >= EFX_REV_FALCON_B0) ?
 			  0 : EFX_QWORD_FIELD(*event, FSF_AA_RX_EV_DRIB_NIB));
 	rx_ev_pause_frm = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_PAUSE_FRM_ERR);
 
@@ -897,13 +897,13 @@ static void falcon_handle_global_event(struct efx_channel *channel,
 		handled = true;
 	}
 
-	if ((falcon_rev(efx) >= FALCON_REV_B0) &&
+	if ((efx_nic_rev(efx) >= EFX_REV_FALCON_B0) &&
 	    EFX_QWORD_FIELD(*event, FSF_BB_GLB_EV_XG_MGT_INTR)) {
 		efx->xmac_poll_required = true;
 		handled = true;
 	}
 
-	if (falcon_rev(efx) <= FALCON_REV_A1 ?
+	if (efx_nic_rev(efx) <= EFX_REV_FALCON_A1 ?
 	    EFX_QWORD_FIELD(*event, FSF_AA_GLB_EV_RX_RECOVERY) :
 	    EFX_QWORD_FIELD(*event, FSF_BB_GLB_EV_RX_RECOVERY)) {
 		EFX_ERR(efx, "channel %d seen global RX_RESET "
@@ -1531,7 +1531,7 @@ static void falcon_setup_rss_indir_table(struct efx_nic *efx)
 	unsigned long offset;
 	efx_dword_t dword;
 
-	if (falcon_rev(efx) < FALCON_REV_B0)
+	if (efx_nic_rev(efx) < EFX_REV_FALCON_B0)
 		return;
 
 	for (offset = FR_BZ_RX_INDIRECTION_TBL;
@@ -1554,7 +1554,7 @@ int falcon_init_interrupt(struct efx_nic *efx)
 
 	if (!EFX_INT_MODE_USE_MSI(efx)) {
 		irq_handler_t handler;
-		if (falcon_rev(efx) >= FALCON_REV_B0)
+		if (efx_nic_rev(efx) >= EFX_REV_FALCON_B0)
 			handler = falcon_legacy_interrupt_b0;
 		else
 			handler = falcon_legacy_interrupt_a1;
@@ -1601,7 +1601,7 @@ void falcon_fini_interrupt(struct efx_nic *efx)
 	}
 
 	/* ACK legacy interrupt */
-	if (falcon_rev(efx) >= FALCON_REV_B0)
+	if (efx_nic_rev(efx) >= EFX_REV_FALCON_B0)
 		efx_reado(efx, &reg, FR_BZ_INT_ISR0);
 	else
 		falcon_irq_ack_a1(efx);
@@ -1841,7 +1841,7 @@ static int falcon_reset_macs(struct efx_nic *efx)
 	efx_oword_t reg;
 	int count;
 
-	if (falcon_rev(efx) < FALCON_REV_B0) {
+	if (efx_nic_rev(efx) < EFX_REV_FALCON_B0) {
 		/* It's not safe to use GLB_CTL_REG to reset the
 		 * macs, so instead use the internal MAC resets
 		 */
@@ -1917,7 +1917,7 @@ void falcon_drain_tx_fifo(struct efx_nic *efx)
 {
 	efx_oword_t reg;
 
-	if ((falcon_rev(efx) < FALCON_REV_B0) ||
+	if ((efx_nic_rev(efx) < EFX_REV_FALCON_B0) ||
 	    (efx->loopback_mode != LOOPBACK_NONE))
 		return;
 
@@ -1933,7 +1933,7 @@ void falcon_deconfigure_mac_wrapper(struct efx_nic *efx)
 {
 	efx_oword_t reg;
 
-	if (falcon_rev(efx) < FALCON_REV_B0)
+	if (efx_nic_rev(efx) < EFX_REV_FALCON_B0)
 		return;
 
 	/* Isolate the MAC -> RX */
@@ -1970,7 +1970,7 @@ void falcon_reconfigure_mac_wrapper(struct efx_nic *efx)
 			     FRF_AB_MAC_SPEED, link_speed);
 	/* On B0, MAC backpressure can be disabled and packets get
 	 * discarded. */
-	if (falcon_rev(efx) >= FALCON_REV_B0) {
+	if (efx_nic_rev(efx) >= EFX_REV_FALCON_B0) {
 		EFX_SET_OWORD_FIELD(reg, FRF_BB_TXFIFO_DRAIN_EN,
 				    !link_state->up);
 	}
@@ -1988,7 +1988,7 @@ void falcon_reconfigure_mac_wrapper(struct efx_nic *efx)
 	EFX_SET_OWORD_FIELD(reg, FRF_AZ_RX_XOFF_MAC_EN, tx_fc);
 
 	/* Unisolate the MAC -> RX */
-	if (falcon_rev(efx) >= FALCON_REV_B0)
+	if (efx_nic_rev(efx) >= EFX_REV_FALCON_B0)
 		EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_INGR_EN, 1);
 	efx_writeo(efx, &reg, FR_AZ_RX_CFG);
 }
@@ -2207,7 +2207,7 @@ static void falcon_clock_mac(struct efx_nic *efx)
 	/* Configure the NIC generated MAC clock correctly */
 	efx_reado(efx, &nic_stat, FR_AB_NIC_STAT);
 	strap_val = EFX_IS10G(efx) ? 5 : 3;
-	if (falcon_rev(efx) >= FALCON_REV_B0) {
+	if (efx_nic_rev(efx) >= EFX_REV_FALCON_B0) {
 		EFX_SET_OWORD_FIELD(nic_stat, FRF_BB_EE_STRAP_EN, 1);
 		EFX_SET_OWORD_FIELD(nic_stat, FRF_BB_EE_STRAP, strap_val);
 		efx_writeo(efx, &nic_stat, FR_AB_NIC_STAT);
@@ -2296,7 +2296,7 @@ int falcon_probe_port(struct efx_nic *efx)
 	efx->link_state.fd = true;
 
 	/* Hardware flow ctrl. FalconA RX FIFO too small for pause generation */
-	if (falcon_rev(efx) >= FALCON_REV_B0)
+	if (efx_nic_rev(efx) >= EFX_REV_FALCON_B0)
 		efx->wanted_fc = EFX_FC_RX | EFX_FC_TX;
 	else
 		efx->wanted_fc = EFX_FC_RX;
@@ -2806,13 +2806,13 @@ static int falcon_probe_nic_variant(struct efx_nic *efx)
 
 	efx_reado(efx, &nic_stat, FR_AB_NIC_STAT);
 
-	switch (falcon_rev(efx)) {
-	case FALCON_REV_A0:
-	case 0xff:
-		EFX_ERR(efx, "Falcon rev A0 not supported\n");
-		return -ENODEV;
+	if (efx_nic_rev(efx) <= EFX_REV_FALCON_A1) {
+		u8 pci_rev = efx->pci_dev->revision;
 
-	case FALCON_REV_A1:
+		if ((pci_rev == 0xff) || (pci_rev == 0)) {
+			EFX_ERR(efx, "Falcon rev A0 not supported\n");
+			return -ENODEV;
+		}
 		if (EFX_OWORD_FIELD(nic_stat, FRF_AB_STRAP_10G) == 0) {
 			EFX_ERR(efx, "Falcon rev A1 1G not supported\n");
 			return -ENODEV;
@@ -2821,14 +2821,6 @@ static int falcon_probe_nic_variant(struct efx_nic *efx)
 			EFX_ERR(efx, "Falcon rev A1 PCI-X not supported\n");
 			return -ENODEV;
 		}
-		break;
-
-	case FALCON_REV_B0:
-		break;
-
-	default:
-		EFX_ERR(efx, "Unknown Falcon rev %d\n", falcon_rev(efx));
-		return -ENODEV;
 	}
 
 	return 0;
@@ -2991,7 +2983,7 @@ static void falcon_init_rx_cfg(struct efx_nic *efx)
 	efx_oword_t reg;
 
 	efx_reado(efx, &reg, FR_AZ_RX_CFG);
-	if (falcon_rev(efx) <= FALCON_REV_A1) {
+	if (efx_nic_rev(efx) <= EFX_REV_FALCON_A1) {
 		/* Data FIFO size is 5.5K */
 		if (data_xon_thr < 0)
 			data_xon_thr = 512 >> 8;
@@ -3037,7 +3029,7 @@ int falcon_init_nic(struct efx_nic *efx)
 	efx_writeo(efx, &temp, FR_AB_NIC_STAT);
 
 	/* Set the source of the GMAC clock */
-	if (falcon_rev(efx) == FALCON_REV_B0) {
+	if (efx_nic_rev(efx) == EFX_REV_FALCON_B0) {
 		efx_reado(efx, &temp, FR_AB_GPIO_CTL);
 		EFX_SET_OWORD_FIELD(temp, FRF_AB_USE_NIC_CLK, true);
 		efx_writeo(efx, &temp, FR_AB_GPIO_CTL);
@@ -3128,7 +3120,7 @@ int falcon_init_nic(struct efx_nic *efx)
 	/* Prefetch threshold 2 => fetch when descriptor cache half empty */
 	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_PREF_THRESHOLD, 2);
 	/* Squash TX of packets of 16 bytes or less */
-	if (falcon_rev(efx) >= FALCON_REV_B0)
+	if (efx_nic_rev(efx) >= EFX_REV_FALCON_B0)
 		EFX_SET_OWORD_FIELD(temp, FRF_BZ_TX_FLUSH_MIN_LEN_EN, 1);
 	efx_writeo(efx, &temp, FR_AZ_TX_RESERVED);
 
@@ -3142,7 +3134,7 @@ int falcon_init_nic(struct efx_nic *efx)
 	falcon_init_rx_cfg(efx);
 
 	/* Set destination of both TX and RX Flush events */
-	if (falcon_rev(efx) >= FALCON_REV_B0) {
+	if (efx_nic_rev(efx) >= EFX_REV_FALCON_B0) {
 		EFX_POPULATE_OWORD_1(temp, FRF_BZ_FLS_EVQ_ID, 0);
 		efx_writeo(efx, &temp, FR_BZ_DP_CTRL);
 	}
@@ -3242,9 +3234,10 @@ void falcon_stop_nic_stats(struct efx_nic *efx)
  **************************************************************************
  */
 
-struct efx_nic_type falcon_a_nic_type = {
+struct efx_nic_type falcon_a1_nic_type = {
 	.default_mac_ops = &falcon_xmac_operations,
 
+	.revision = EFX_REV_FALCON_A1,
 	.mem_map_size = 0x20000,
 	.txd_ptr_tbl_base = FR_AA_TX_DESC_PTR_TBL_KER,
 	.rxd_ptr_tbl_base = FR_AA_RX_DESC_PTR_TBL_KER,
@@ -3257,9 +3250,10 @@ struct efx_nic_type falcon_a_nic_type = {
 	.phys_addr_channels = 4,
 };
 
-struct efx_nic_type falcon_b_nic_type = {
+struct efx_nic_type falcon_b0_nic_type = {
 	.default_mac_ops = &falcon_xmac_operations,
 
+	.revision = EFX_REV_FALCON_B0,
 	/* Map everything up to and including the RSS indirection
 	 * table.  Don't map MSI-X table, MSI-X PBA since Linux
 	 * requires that they not be mapped.  */
diff --git a/drivers/net/sfc/falcon.h b/drivers/net/sfc/falcon.h
index a561f6758bc..81196a0fb50 100644
--- a/drivers/net/sfc/falcon.h
+++ b/drivers/net/sfc/falcon.h
@@ -19,15 +19,15 @@
  * Falcon hardware control
  */
 
-enum falcon_revision {
-	FALCON_REV_A0 = 0,
-	FALCON_REV_A1 = 1,
-	FALCON_REV_B0 = 2,
+enum {
+	EFX_REV_FALCON_A0 = 0,
+	EFX_REV_FALCON_A1 = 1,
+	EFX_REV_FALCON_B0 = 2,
 };
 
-static inline int falcon_rev(struct efx_nic *efx)
+static inline int efx_nic_rev(struct efx_nic *efx)
 {
-	return efx->pci_dev->revision;
+	return efx->type->revision;
 }
 
 /**
@@ -95,8 +95,8 @@ static inline struct falcon_board *falcon_board(struct efx_nic *efx)
 	return &data->board;
 }
 
-extern struct efx_nic_type falcon_a_nic_type;
-extern struct efx_nic_type falcon_b_nic_type;
+extern struct efx_nic_type falcon_a1_nic_type;
+extern struct efx_nic_type falcon_b0_nic_type;
 
 /**************************************************************************
  *
diff --git a/drivers/net/sfc/falcon_xmac.c b/drivers/net/sfc/falcon_xmac.c
index 784260f63d4..1523efdcefe 100644
--- a/drivers/net/sfc/falcon_xmac.c
+++ b/drivers/net/sfc/falcon_xmac.c
@@ -89,7 +89,7 @@ static void falcon_mask_status_intr(struct efx_nic *efx, bool enable)
 {
 	efx_oword_t reg;
 
-	if ((falcon_rev(efx) != FALCON_REV_B0) || LOOPBACK_INTERNAL(efx))
+	if ((efx_nic_rev(efx) != EFX_REV_FALCON_B0) || LOOPBACK_INTERNAL(efx))
 		return;
 
 	/* We expect xgmii faults if the wireside link is up */
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index ca7dff2269d..a42a0516d04 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -844,6 +844,7 @@ static inline const char *efx_dev_name(struct efx_nic *efx)
 /**
  * struct efx_nic_type - Efx device type definition
  * @default_mac_ops: efx_mac_operations to set at startup
+ * @revision: Hardware architecture revision
  * @mem_map_size: Memory BAR mapped size
  * @txd_ptr_tbl_base: TX descriptor ring base address
  * @rxd_ptr_tbl_base: RX descriptor ring base address
@@ -860,6 +861,7 @@ static inline const char *efx_dev_name(struct efx_nic *efx)
 struct efx_nic_type {
 	struct efx_mac_operations *default_mac_ops;
 
+	int revision;
 	unsigned int mem_map_size;
 	unsigned int txd_ptr_tbl_base;
 	unsigned int rxd_ptr_tbl_base;
diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c
index 15806078971..74e84afd5b6 100644
--- a/drivers/net/sfc/selftest.c
+++ b/drivers/net/sfc/selftest.c
@@ -125,7 +125,7 @@ static int efx_test_chip(struct efx_nic *efx, struct efx_self_tests *tests)
 	int rc;
 
 	/* Not supported on A-series silicon */
-	if (falcon_rev(efx) < FALCON_REV_B0)
+	if (efx_nic_rev(efx) < EFX_REV_FALCON_B0)
 		return 0;
 
 	rc = falcon_test_registers(efx);
diff --git a/drivers/net/sfc/workarounds.h b/drivers/net/sfc/workarounds.h
index 209ee1e9094..021d0d2d97f 100644
--- a/drivers/net/sfc/workarounds.h
+++ b/drivers/net/sfc/workarounds.h
@@ -16,8 +16,8 @@
  */
 
 #define EFX_WORKAROUND_ALWAYS(efx) 1
-#define EFX_WORKAROUND_FALCON_A(efx) (falcon_rev(efx) <= FALCON_REV_A1)
-#define EFX_WORKAROUND_FALCON_AB(efx) (falcon_rev(efx) <= FALCON_REV_B0)
+#define EFX_WORKAROUND_FALCON_A(efx) (efx_nic_rev(efx) <= EFX_REV_FALCON_A1)
+#define EFX_WORKAROUND_FALCON_AB(efx) (efx_nic_rev(efx) <= EFX_REV_FALCON_B0)
 #define EFX_WORKAROUND_10G(efx) EFX_IS10G(efx)
 #define EFX_WORKAROUND_SFT9001(efx) ((efx)->phy_type == PHY_TYPE_SFT9001A || \
 				     (efx)->phy_type == PHY_TYPE_SFT9001B)
-- 
GitLab


From 0228f5cdb03f6656247cf2876f9f4f8fc213ffd6 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Sat, 28 Nov 2009 05:36:12 +0000
Subject: [PATCH 1612/1815] sfc: Move descriptor cache base addresses to struct
 efx_nic_type

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/falcon.c     | 12 ++++++++----
 drivers/net/sfc/net_driver.h |  4 ++++
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 7c9c9c93595..539d0223b43 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -45,11 +45,9 @@
  */
 #define TX_DC_ENTRIES 16
 #define TX_DC_ENTRIES_ORDER 1
-#define TX_DC_BASE 0x130000
 
 #define RX_DC_ENTRIES 64
 #define RX_DC_ENTRIES_ORDER 3
-#define RX_DC_BASE 0x100000
 
 static const unsigned int
 /* "Large" EEPROM device: Atmel AT25640 or similar
@@ -3043,9 +3041,11 @@ int falcon_init_nic(struct efx_nic *efx)
 		return rc;
 
 	/* Set positions of descriptor caches in SRAM. */
-	EFX_POPULATE_OWORD_1(temp, FRF_AZ_SRM_TX_DC_BASE_ADR, TX_DC_BASE / 8);
+	EFX_POPULATE_OWORD_1(temp, FRF_AZ_SRM_TX_DC_BASE_ADR,
+			     efx->type->tx_dc_base / 8);
 	efx_writeo(efx, &temp, FR_AZ_SRM_TX_DC_CFG);
-	EFX_POPULATE_OWORD_1(temp, FRF_AZ_SRM_RX_DC_BASE_ADR, RX_DC_BASE / 8);
+	EFX_POPULATE_OWORD_1(temp, FRF_AZ_SRM_RX_DC_BASE_ADR,
+			     efx->type->rx_dc_base / 8);
 	efx_writeo(efx, &temp, FR_AZ_SRM_RX_DC_CFG);
 
 	/* Set TX descriptor cache size. */
@@ -3248,6 +3248,8 @@ struct efx_nic_type falcon_a1_nic_type = {
 	.rx_buffer_padding = 0x24,
 	.max_interrupt_mode = EFX_INT_MODE_MSI,
 	.phys_addr_channels = 4,
+	.tx_dc_base = 0x130000,
+	.rx_dc_base = 0x100000,
 };
 
 struct efx_nic_type falcon_b0_nic_type = {
@@ -3271,5 +3273,7 @@ struct efx_nic_type falcon_b0_nic_type = {
 	.phys_addr_channels = 32, /* Hardware limit is 64, but the legacy
 				   * interrupt handler only supports 32
 				   * channels */
+	.tx_dc_base = 0x130000,
+	.rx_dc_base = 0x100000,
 };
 
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index a42a0516d04..30fb21e6051 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -857,6 +857,8 @@ static inline const char *efx_dev_name(struct efx_nic *efx)
  *	from &enum efx_init_mode.
  * @phys_addr_channels: Number of channels with physically addressed
  *	descriptors
+ * @tx_dc_base: Base address in SRAM of TX queue descriptor caches
+ * @rx_dc_base: Base address in SRAM of RX queue descriptor caches
  */
 struct efx_nic_type {
 	struct efx_mac_operations *default_mac_ops;
@@ -872,6 +874,8 @@ struct efx_nic_type {
 	unsigned int rx_buffer_padding;
 	unsigned int max_interrupt_mode;
 	unsigned int phys_addr_channels;
+	unsigned int tx_dc_base;
+	unsigned int rx_dc_base;
 };
 
 /**************************************************************************
-- 
GitLab


From c1ac403bfa240617da2bce861ea5c3a907a65612 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Sat, 28 Nov 2009 05:36:29 +0000
Subject: [PATCH 1613/1815] sfc: Clean up RX event handling

Add 'likely' hint to test of rx_checksum_enabled.
Don't count IP fragments; the IP stack can do that.
Do count non-matching multicast packets.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/ethtool.c    |  1 +
 drivers/net/sfc/falcon.c     | 11 +++++------
 drivers/net/sfc/net_driver.h |  4 ++--
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index 5d2e186e671..d3da360f09b 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -153,6 +153,7 @@ static struct efx_ethtool_stat efx_ethtool_stats[] = {
 	EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tobe_disc),
 	EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_ip_hdr_chksum_err),
 	EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tcp_udp_chksum_err),
+	EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_mcast_mismatch),
 	EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_frm_trunc),
 };
 
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 539d0223b43..2f219ce6139 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -734,7 +734,7 @@ static void falcon_handle_rx_not_ok(struct efx_rx_queue *rx_queue,
 	bool rx_ev_tcp_udp_chksum_err, rx_ev_eth_crc_err;
 	bool rx_ev_frm_trunc, rx_ev_drib_nib, rx_ev_tobe_disc;
 	bool rx_ev_other_err, rx_ev_pause_frm;
-	bool rx_ev_ip_frag_err, rx_ev_hdr_type, rx_ev_mcast_pkt;
+	bool rx_ev_hdr_type, rx_ev_mcast_pkt;
 	unsigned rx_ev_pkt_type;
 
 	rx_ev_hdr_type = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_HDR_TYPE);
@@ -743,7 +743,6 @@ static void falcon_handle_rx_not_ok(struct efx_rx_queue *rx_queue,
 	rx_ev_pkt_type = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_PKT_TYPE);
 	rx_ev_buf_owner_id_err = EFX_QWORD_FIELD(*event,
 						 FSF_AZ_RX_EV_BUF_OWNER_ID_ERR);
-	rx_ev_ip_frag_err = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_IP_FRAG_ERR);
 	rx_ev_ip_hdr_chksum_err = EFX_QWORD_FIELD(*event,
 						  FSF_AZ_RX_EV_IP_HDR_CHKSUM_ERR);
 	rx_ev_tcp_udp_chksum_err = EFX_QWORD_FIELD(*event,
@@ -771,8 +770,6 @@ static void falcon_handle_rx_not_ok(struct efx_rx_queue *rx_queue,
 		else if (rx_ev_tcp_udp_chksum_err)
 			++rx_queue->channel->n_rx_tcp_udp_chksum_err;
 	}
-	if (rx_ev_ip_frag_err)
-		++rx_queue->channel->n_rx_ip_frag_err;
 
 	/* The frame must be discarded if any of these are true. */
 	*discard = (rx_ev_eth_crc_err | rx_ev_frm_trunc | rx_ev_drib_nib |
@@ -855,7 +852,7 @@ static void falcon_handle_rx_event(struct efx_channel *channel,
 		 * UDP/IPv4, then we can rely on the hardware checksum.
 		 */
 		checksummed =
-			efx->rx_checksum_enabled &&
+			likely(efx->rx_checksum_enabled) &&
 			(rx_ev_hdr_type == FSE_AB_RX_EV_HDR_TYPE_IPV4_TCP ||
 			 rx_ev_hdr_type == FSE_AB_RX_EV_HDR_TYPE_IPV4_UDP);
 	} else {
@@ -870,8 +867,10 @@ static void falcon_handle_rx_event(struct efx_channel *channel,
 		unsigned int rx_ev_mcast_hash_match =
 			EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_MCAST_HASH_MATCH);
 
-		if (unlikely(!rx_ev_mcast_hash_match))
+		if (unlikely(!rx_ev_mcast_hash_match)) {
+			++channel->n_rx_mcast_mismatch;
 			discard = true;
+		}
 	}
 
 	channel->irq_mod_score += 2;
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index 30fb21e6051..fddf8f5870c 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -350,9 +350,9 @@ enum efx_rx_alloc_method {
  * @rx_alloc_push_pages: RX allocation method currently in use for pushing
  *	descriptors
  * @n_rx_tobe_disc: Count of RX_TOBE_DISC errors
- * @n_rx_ip_frag_err: Count of RX IP fragment errors
  * @n_rx_ip_hdr_chksum_err: Count of RX IP header checksum errors
  * @n_rx_tcp_udp_chksum_err: Count of RX TCP and UDP checksum errors
+ * @n_rx_mcast_mismatch: Count of unmatched multicast frames
  * @n_rx_frm_trunc: Count of RX_FRM_TRUNC errors
  * @n_rx_overlength: Count of RX_OVERLENGTH errors
  * @n_skbuff_leaks: Count of skbuffs leaked due to RX overrun
@@ -380,9 +380,9 @@ struct efx_channel {
 	int rx_alloc_push_pages;
 
 	unsigned n_rx_tobe_disc;
-	unsigned n_rx_ip_frag_err;
 	unsigned n_rx_ip_hdr_chksum_err;
 	unsigned n_rx_tcp_udp_chksum_err;
+	unsigned n_rx_mcast_mismatch;
 	unsigned n_rx_frm_trunc;
 	unsigned n_rx_overlength;
 	unsigned n_skbuff_leaks;
-- 
GitLab


From 9f950f72e57fe4bf9b16ace67e4cc5ffcee79d00 Mon Sep 17 00:00:00 2001
From: Kevin Hilman <khilman@deeprootsystems.com>
Date: Tue, 24 Nov 2009 12:57:47 +0000
Subject: [PATCH 1614/1815] NET: smc91x: convert to dev_pm_ops

Convert smc91x driver from legacy PM hooks over to using dev_pm_ops.

Tested on OMAP3 platform.

Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Acked-by: Nicolas Pitre <nico@fluxnic.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/smc91x.c | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/drivers/net/smc91x.c b/drivers/net/smc91x.c
index 0b56ab468d2..2ab90260d4a 100644
--- a/drivers/net/smc91x.c
+++ b/drivers/net/smc91x.c
@@ -2365,9 +2365,10 @@ static int __devexit smc_drv_remove(struct platform_device *pdev)
 	return 0;
 }
 
-static int smc_drv_suspend(struct platform_device *dev, pm_message_t state)
+static int smc_drv_suspend(struct device *dev)
 {
-	struct net_device *ndev = platform_get_drvdata(dev);
+	struct platform_device *pdev = to_platform_device(dev);
+	struct net_device *ndev = platform_get_drvdata(pdev);
 
 	if (ndev) {
 		if (netif_running(ndev)) {
@@ -2379,9 +2380,10 @@ static int smc_drv_suspend(struct platform_device *dev, pm_message_t state)
 	return 0;
 }
 
-static int smc_drv_resume(struct platform_device *dev)
+static int smc_drv_resume(struct device *dev)
 {
-	struct net_device *ndev = platform_get_drvdata(dev);
+	struct platform_device *pdev = to_platform_device(dev);
+	struct net_device *ndev = platform_get_drvdata(pdev);
 
 	if (ndev) {
 		struct smc_local *lp = netdev_priv(ndev);
@@ -2397,14 +2399,18 @@ static int smc_drv_resume(struct platform_device *dev)
 	return 0;
 }
 
+static struct dev_pm_ops smc_drv_pm_ops = {
+	.suspend	= smc_drv_suspend,
+	.resume		= smc_drv_resume,
+};
+
 static struct platform_driver smc_driver = {
 	.probe		= smc_drv_probe,
 	.remove		= __devexit_p(smc_drv_remove),
-	.suspend	= smc_drv_suspend,
-	.resume		= smc_drv_resume,
 	.driver		= {
 		.name	= CARDNAME,
 		.owner	= THIS_MODULE,
+		.pm	= &smc_drv_pm_ops,
 	},
 };
 
-- 
GitLab


From 2f5517aefcfbdd7fdf0f03b13d292a10d445887f Mon Sep 17 00:00:00 2001
From: andrew hendry <andrew.hendry@gmail.com>
Date: Tue, 24 Nov 2009 15:15:26 +0000
Subject: [PATCH 1615/1815] X25: Move SYSCTL ifdefs into header

Moves the CONFIG_SYSCTL ifdefs in x25_init into header.

Signed-off-by: Andrew Hendry <andrew.hendry@gmail.com>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/x25.h | 6 ++++++
 net/x25/af_x25.c  | 4 ----
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/include/net/x25.h b/include/net/x25.h
index 2cda0401156..9baa07dc7d1 100644
--- a/include/net/x25.h
+++ b/include/net/x25.h
@@ -287,8 +287,14 @@ extern unsigned long x25_display_timer(struct sock *);
 extern void x25_check_rbuf(struct sock *);
 
 /* sysctl_net_x25.c */
+#ifdef CONFIG_SYSCTL
 extern void x25_register_sysctl(void);
 extern void x25_unregister_sysctl(void);
+#else
+static inline void x25_register_sysctl(void) {};
+static inline void x25_unregister_sysctl(void) {};
+#endif /* CONFIG_SYSCTL */
+
 struct x25_skb_cb {
 	unsigned flags;
 };
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index 2a3a513af3c..f327ef5cb0e 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -1729,9 +1729,7 @@ static int __init x25_init(void)
 
 	printk(KERN_INFO "X.25 for Linux Version 0.2\n");
 
-#ifdef CONFIG_SYSCTL
 	x25_register_sysctl();
-#endif
 	x25_proc_init();
 out:
 	return rc;
@@ -1744,9 +1742,7 @@ static void __exit x25_exit(void)
 	x25_link_free();
 	x25_route_free();
 
-#ifdef CONFIG_SYSCTL
 	x25_unregister_sysctl();
-#endif
 
 	unregister_netdevice_notifier(&x25_dev_notifier);
 
-- 
GitLab


From 1fd975a0520cdb27681855d5a18526e328d36b5c Mon Sep 17 00:00:00 2001
From: andrew hendry <andrew.hendry@gmail.com>
Date: Tue, 24 Nov 2009 15:15:42 +0000
Subject: [PATCH 1616/1815] X25: Check for errors in x25_init

Adds error checking to x25_init.

Signed-off-by: Andrew Hendry <andrew.hendry@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/x25/af_x25.c | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index f327ef5cb0e..e3219e4cd04 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -1721,18 +1721,31 @@ static int __init x25_init(void)
 	if (rc != 0)
 		goto out;
 
-	sock_register(&x25_family_ops);
+	rc = sock_register(&x25_family_ops);
+	if (rc != 0)
+		goto out_proto;
 
 	dev_add_pack(&x25_packet_type);
 
-	register_netdevice_notifier(&x25_dev_notifier);
+	rc = register_netdevice_notifier(&x25_dev_notifier);
+	if (rc != 0)
+		goto out_sock;
 
 	printk(KERN_INFO "X.25 for Linux Version 0.2\n");
 
 	x25_register_sysctl();
-	x25_proc_init();
+	rc = x25_proc_init();
+	if (rc != 0)
+		goto out_dev;
 out:
 	return rc;
+out_dev:
+	unregister_netdevice_notifier(&x25_dev_notifier);
+out_sock:
+	sock_unregister(AF_X25);
+out_proto:
+	proto_unregister(&x25_proto);
+	goto out;
 }
 module_init(x25_init);
 
-- 
GitLab


From 429d33ace5ce6122817f8abe9d170eaa55dc3af9 Mon Sep 17 00:00:00 2001
From: andrew hendry <andrew.hendry@gmail.com>
Date: Tue, 24 Nov 2009 15:16:05 +0000
Subject: [PATCH 1617/1815] X25: Fix oops and refcnt problems from x25_dev_get

Calls to x25_dev_get check for dev = NULL which was not set.
It allowed x25 to set routes and ioctls on down interfaces.
This caused oopses and refcnt problems on device_unregister.

Signed-off-by: Andrew Hendry <andrew.hendry@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/x25/x25_route.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/x25/x25_route.c b/net/x25/x25_route.c
index 66961ea28c9..b95fae9ab39 100644
--- a/net/x25/x25_route.c
+++ b/net/x25/x25_route.c
@@ -136,8 +136,10 @@ struct net_device *x25_dev_get(char *devname)
 #if defined(CONFIG_LLC) || defined(CONFIG_LLC_MODULE)
 					&& dev->type != ARPHRD_ETHER
 #endif
-					)))
+					))){
 		dev_put(dev);
+		dev = NULL;
+	}
 
 	return dev;
 }
-- 
GitLab


From cfb3f91af49dff9b50de6929dc4de06100c4cfa8 Mon Sep 17 00:00:00 2001
From: Shannon Nelson <shannon.nelson@intel.com>
Date: Tue, 24 Nov 2009 18:51:06 +0000
Subject: [PATCH 1618/1815] ixgbe: handle parameters for tx and rx EITR, no
 div0

The driver was doing a divide by zero when adjusting tx-usecs.
This patch removes the divide by zero code and changes the logic slightly
to ignore tx-usecs in the case of shared TxRx vectors.

Cc: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ixgbe/ixgbe_ethtool.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c
index 84ab4db7074..a5ca289efc9 100644
--- a/drivers/net/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ixgbe/ixgbe_ethtool.c
@@ -1972,6 +1972,10 @@ static int ixgbe_get_coalesce(struct net_device *netdev,
 		break;
 	}
 
+	/* if in mixed tx/rx queues per vector mode, report only rx settings */
+	if (adapter->q_vector[0]->txr_count && adapter->q_vector[0]->rxr_count)
+		return 0;
+
 	/* only valid if in constant ITR mode */
 	switch (adapter->tx_itr_setting) {
 	case 0:
@@ -1997,12 +2001,9 @@ static int ixgbe_set_coalesce(struct net_device *netdev,
 	struct ixgbe_q_vector *q_vector;
 	int i;
 
-	/*
-	 * don't accept tx specific changes if we've got mixed RxTx vectors
-	 * test and jump out here if needed before changing the rx numbers
-	 */
-	if ((1000000/ec->tx_coalesce_usecs) != adapter->tx_eitr_param &&
-	    adapter->q_vector[0]->txr_count && adapter->q_vector[0]->rxr_count)
+	/* don't accept tx specific changes if we've got mixed RxTx vectors */
+	if (adapter->q_vector[0]->txr_count && adapter->q_vector[0]->rxr_count
+	   && ec->tx_coalesce_usecs)
 		return -EINVAL;
 
 	if (ec->tx_max_coalesced_frames_irq)
-- 
GitLab


From 9bbe3a570b4984ff2e90014074ba3a06a05384a0 Mon Sep 17 00:00:00 2001
From: PJ Waskiewicz <peter.p.waskiewicz.jr@intel.com>
Date: Tue, 24 Nov 2009 18:51:28 +0000
Subject: [PATCH 1619/1815] ixgbe: Disable Flow Control for certain devices

Flow Control autoneg should be disabled for certain adapters
that don't support autonegotiation of Flow Control at 10 gigabit.
These interfaces are the 10GBASE-T devices, CX4, and SFP+, all
running at 10 gigabit only.  1 gigabit is fine.

Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ixgbe/ixgbe_common.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/net/ixgbe/ixgbe_common.c b/drivers/net/ixgbe/ixgbe_common.c
index 40ff120a9ad..f42a954ef66 100644
--- a/drivers/net/ixgbe/ixgbe_common.c
+++ b/drivers/net/ixgbe/ixgbe_common.c
@@ -1783,6 +1783,20 @@ s32 ixgbe_fc_autoneg(struct ixgbe_hw *hw)
 		}
 	}
 
+	/*
+	 * Bail out on
+	 * - copper or CX4 adapters
+	 * - fiber adapters running at 10gig
+	 */
+	if ((hw->phy.media_type == ixgbe_media_type_copper) ||
+	     (hw->phy.media_type == ixgbe_media_type_cx4) ||
+	     ((hw->phy.media_type == ixgbe_media_type_fiber) &&
+	     (speed == IXGBE_LINK_SPEED_10GB_FULL))) {
+		hw->fc.fc_was_autonegged = false;
+		hw->fc.current_mode = hw->fc.requested_mode;
+		goto out;
+	}
+
 	/*
 	 * Read the AN advertisement and LP ability registers and resolve
 	 * local flow control settings accordingly
-- 
GitLab


From 000c486ddae850106a29e45a5d660dff49ad566a Mon Sep 17 00:00:00 2001
From: Don Skidmore <donald.c.skidmore@intel.com>
Date: Tue, 24 Nov 2009 18:51:48 +0000
Subject: [PATCH 1620/1815] ixgbe: LINKS2 is not a valid register for 82598

82598 shouldn't try and access LINKS2 while configuring
link and flow control.  This is an 82599-only register.

Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ixgbe/ixgbe_common.c | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ixgbe/ixgbe_common.c b/drivers/net/ixgbe/ixgbe_common.c
index f42a954ef66..79533e2720f 100644
--- a/drivers/net/ixgbe/ixgbe_common.c
+++ b/drivers/net/ixgbe/ixgbe_common.c
@@ -1755,17 +1755,24 @@ s32 ixgbe_fc_autoneg(struct ixgbe_hw *hw)
 	/*
 	 * On backplane, bail out if
 	 * - backplane autoneg was not completed, or if
-	 * - link partner is not AN enabled
+	 * - we are 82599 and link partner is not AN enabled
 	 */
 	if (hw->phy.media_type == ixgbe_media_type_backplane) {
 		links = IXGBE_READ_REG(hw, IXGBE_LINKS);
-		links2 = IXGBE_READ_REG(hw, IXGBE_LINKS2);
-		if (((links & IXGBE_LINKS_KX_AN_COMP) == 0) ||
-		    ((links2 & IXGBE_LINKS2_AN_SUPPORTED) == 0)) {
+		if ((links & IXGBE_LINKS_KX_AN_COMP) == 0) {
 			hw->fc.fc_was_autonegged = false;
 			hw->fc.current_mode = hw->fc.requested_mode;
 			goto out;
 		}
+
+		if (hw->mac.type == ixgbe_mac_82599EB) {
+			links2 = IXGBE_READ_REG(hw, IXGBE_LINKS2);
+			if ((links2 & IXGBE_LINKS2_AN_SUPPORTED) == 0) {
+				hw->fc.fc_was_autonegged = false;
+				hw->fc.current_mode = hw->fc.requested_mode;
+				goto out;
+			}
+		}
 	}
 
 	/*
-- 
GitLab


From 91152c3242f32d3b68396c26c638250d2a00eb05 Mon Sep 17 00:00:00 2001
From: Shannon Nelson <shannon.nelson@intel.com>
Date: Tue, 24 Nov 2009 18:52:10 +0000
Subject: [PATCH 1621/1815] ixgbe: Fix Receive Address Register (RAR) cleaning
 and accounting

This fixes an issue when clearing out the RAR entries.  If RAR[0]
is the only address in use, don't clear the others.

Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ixgbe/ixgbe_common.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ixgbe/ixgbe_common.c b/drivers/net/ixgbe/ixgbe_common.c
index 79533e2720f..688b8ca5da3 100644
--- a/drivers/net/ixgbe/ixgbe_common.c
+++ b/drivers/net/ixgbe/ixgbe_common.c
@@ -1382,10 +1382,10 @@ s32 ixgbe_update_uc_addr_list_generic(struct ixgbe_hw *hw,
 	hw->addr_ctrl.overflow_promisc = 0;
 
 	/* Zero out the other receive addresses */
-	hw_dbg(hw, "Clearing RAR[1-%d]\n", uc_addr_in_use);
-	for (i = 1; i <= uc_addr_in_use; i++) {
-		IXGBE_WRITE_REG(hw, IXGBE_RAL(i), 0);
-		IXGBE_WRITE_REG(hw, IXGBE_RAH(i), 0);
+	hw_dbg(hw, "Clearing RAR[1-%d]\n", uc_addr_in_use + 1);
+	for (i = 0; i < uc_addr_in_use; i++) {
+		IXGBE_WRITE_REG(hw, IXGBE_RAL(1+i), 0);
+		IXGBE_WRITE_REG(hw, IXGBE_RAH(1+i), 0);
 	}
 
 	/* Add the new addresses */
-- 
GitLab


From 5789d290cda6854b03986031df02b965572279df Mon Sep 17 00:00:00 2001
From: PJ Waskiewicz <peter.p.waskiewicz.jr@intel.com>
Date: Wed, 25 Nov 2009 00:11:30 +0000
Subject: [PATCH 1622/1815] ethtool: Add Direct Attach support to connector
 port reporting

This patch allows a base driver to specify Direct Attach as the
type of port through the ethtool interface.

Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/ethtool.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index edd03b79e8f..bcaa0e0a54d 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -631,6 +631,8 @@ struct ethtool_ops {
 #define PORT_MII		0x02
 #define PORT_FIBRE		0x03
 #define PORT_BNC		0x04
+#define PORT_DA			0x05
+#define PORT_NONE		0xef
 #define PORT_OTHER		0xff
 
 /* Which transceiver to use. */
-- 
GitLab


From 3b8626ba01a8a745a3fdf22dd347edd708b0af13 Mon Sep 17 00:00:00 2001
From: PJ Waskiewicz <peter.p.waskiewicz.jr@intel.com>
Date: Wed, 25 Nov 2009 00:11:54 +0000
Subject: [PATCH 1623/1815] ixgbe: Display currently attached PHY through
 ethtool

This patch extends the ethtool interface to display what PHY
is currently connected to a NIC.  The results can be viewed in
ethtool ethX output.

Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ixgbe/ixgbe_ethtool.c | 50 +++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c
index a5ca289efc9..1928d559e65 100644
--- a/drivers/net/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ixgbe/ixgbe_ethtool.c
@@ -205,6 +205,56 @@ static int ixgbe_get_settings(struct net_device *netdev,
 		ecmd->autoneg = AUTONEG_DISABLE;
 	}
 
+	/* Get PHY type */
+	switch (adapter->hw.phy.type) {
+	case ixgbe_phy_tn:
+	case ixgbe_phy_cu_unknown:
+		/* Copper 10G-BASET */
+		ecmd->port = PORT_TP;
+		break;
+	case ixgbe_phy_qt:
+		ecmd->port = PORT_FIBRE;
+		break;
+	case ixgbe_phy_nl:
+	case ixgbe_phy_tw_tyco:
+	case ixgbe_phy_tw_unknown:
+	case ixgbe_phy_sfp_ftl:
+	case ixgbe_phy_sfp_avago:
+	case ixgbe_phy_sfp_intel:
+	case ixgbe_phy_sfp_unknown:
+		switch (adapter->hw.phy.sfp_type) {
+		/* SFP+ devices, further checking needed */
+		case ixgbe_sfp_type_da_cu:
+		case ixgbe_sfp_type_da_cu_core0:
+		case ixgbe_sfp_type_da_cu_core1:
+			ecmd->port = PORT_DA;
+			break;
+		case ixgbe_sfp_type_sr:
+		case ixgbe_sfp_type_lr:
+		case ixgbe_sfp_type_srlr_core0:
+		case ixgbe_sfp_type_srlr_core1:
+			ecmd->port = PORT_FIBRE;
+			break;
+		case ixgbe_sfp_type_not_present:
+			ecmd->port = PORT_NONE;
+			break;
+		case ixgbe_sfp_type_unknown:
+		default:
+			ecmd->port = PORT_OTHER;
+			break;
+		}
+		break;
+	case ixgbe_phy_xaui:
+		ecmd->port = PORT_NONE;
+		break;
+	case ixgbe_phy_unknown:
+	case ixgbe_phy_generic:
+	case ixgbe_phy_sfp_unsupported:
+	default:
+		ecmd->port = PORT_OTHER;
+		break;
+	}
+
 	hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
 	if (link_up) {
 		ecmd->speed = (link_speed == IXGBE_LINK_SPEED_10GB_FULL) ?
-- 
GitLab


From 3291b9db567e1ec38362024049cbd02987b1e277 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Sun, 29 Nov 2009 00:44:33 -0800
Subject: [PATCH 1624/1815] pktgen: NUMA aware

pktgen threads are bound to given CPU, we can allocate memory for
these threads in a NUMA aware way.

After a pktgen session on two threads, we can check flows memory was
allocated on right node, instead of a not related one.

# grep pktgen_thread_write /proc/vmallocinfo
0xffffc90007204000-0xffffc90007385000 1576960 pktgen_thread_write+0x3a4/0x6b0 [pktgen] pages=384 vmalloc N0=384
0xffffc90007386000-0xffffc90007507000 1576960 pktgen_thread_write+0x3a4/0x6b0 [pktgen] pages=384 vmalloc N1=384

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/pktgen.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index b44104d3e6b..19ee493ec17 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -3626,6 +3626,7 @@ static int pktgen_add_device(struct pktgen_thread *t, const char *ifname)
 {
 	struct pktgen_dev *pkt_dev;
 	int err;
+	int node = cpu_to_node(t->cpu);
 
 	/* We don't allow a device to be on several threads */
 
@@ -3635,12 +3636,13 @@ static int pktgen_add_device(struct pktgen_thread *t, const char *ifname)
 		return -EBUSY;
 	}
 
-	pkt_dev = kzalloc(sizeof(struct pktgen_dev), GFP_KERNEL);
+	pkt_dev = kzalloc_node(sizeof(struct pktgen_dev), GFP_KERNEL, node);
 	if (!pkt_dev)
 		return -ENOMEM;
 
 	strcpy(pkt_dev->odevname, ifname);
-	pkt_dev->flows = vmalloc(MAX_CFLOWS * sizeof(struct flow_state));
+	pkt_dev->flows = vmalloc_node(MAX_CFLOWS * sizeof(struct flow_state),
+				      node);
 	if (pkt_dev->flows == NULL) {
 		kfree(pkt_dev);
 		return -ENOMEM;
@@ -3702,7 +3704,8 @@ static int __init pktgen_create_thread(int cpu)
 	struct proc_dir_entry *pe;
 	struct task_struct *p;
 
-	t = kzalloc(sizeof(struct pktgen_thread), GFP_KERNEL);
+	t = kzalloc_node(sizeof(struct pktgen_thread), GFP_KERNEL,
+			 cpu_to_node(cpu));
 	if (!t) {
 		printk(KERN_ERR "pktgen: ERROR: out of memory, can't "
 		       "create new thread.\n");
-- 
GitLab


From 39e60212087a36a53daca3904563012ccaf6e92d Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Sun, 29 Nov 2009 03:42:03 +0000
Subject: [PATCH 1625/1815] sfc: Remove redundant writes to INT_ADR_KER

This register only needs to be written after reset, not each time we
enable interrupts.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/falcon.c | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 2f219ce6139..b7e9238aaec 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -1290,19 +1290,11 @@ static inline void falcon_interrupts(struct efx_nic *efx, int enabled,
 
 void falcon_enable_interrupts(struct efx_nic *efx)
 {
-	efx_oword_t int_adr_reg_ker;
 	struct efx_channel *channel;
 
 	EFX_ZERO_OWORD(*((efx_oword_t *) efx->irq_status.addr));
 	wmb(); /* Ensure interrupt vector is clear before interrupts enabled */
 
-	/* Program address */
-	EFX_POPULATE_OWORD_2(int_adr_reg_ker,
-			     FRF_AZ_NORM_INT_VEC_DIS_KER,
-			     EFX_INT_MODE_USE_MSI(efx),
-			     FRF_AZ_INT_ADR_KER, efx->irq_status.dma_addr);
-	efx_writeo(efx, &int_adr_reg_ker, FR_AZ_INT_ADR_KER);
-
 	/* Enable interrupts */
 	falcon_interrupts(efx, 1, 0);
 
@@ -3061,6 +3053,13 @@ int falcon_init_nic(struct efx_nic *efx)
 	EFX_POPULATE_OWORD_1(temp, FRF_AZ_RX_DC_PF_LWM, RX_DC_ENTRIES - 8);
 	efx_writeo(efx, &temp, FR_AZ_RX_DC_PF_WM);
 
+	/* Program INT_KER address */
+	EFX_POPULATE_OWORD_2(temp,
+			     FRF_AZ_NORM_INT_VEC_DIS_KER,
+			     EFX_INT_MODE_USE_MSI(efx),
+			     FRF_AZ_INT_ADR_KER, efx->irq_status.dma_addr);
+	efx_writeo(efx, &temp, FR_AZ_INT_ADR_KER);
+
 	/* Clear the parity enables on the TX data fifos as
 	 * they produce false parity errors because of timing issues
 	 */
-- 
GitLab


From 674979d33566ab7e524e25fdc227923e27a3fb78 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Sun, 29 Nov 2009 03:42:10 +0000
Subject: [PATCH 1626/1815] sfc: Remove duplicate hardware structure
 definitions

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/falcon.c |  6 +++---
 drivers/net/sfc/regs.h   | 12 ------------
 2 files changed, 3 insertions(+), 15 deletions(-)

diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index b7e9238aaec..08f540f072b 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -1463,8 +1463,8 @@ static irqreturn_t falcon_legacy_interrupt_a1(int irq, void *dev_id)
 	/* Determine interrupting queues, clear interrupt status
 	 * register and acknowledge the device interrupt.
 	 */
-	BUILD_BUG_ON(INT_EVQS_WIDTH > EFX_MAX_CHANNELS);
-	queues = EFX_OWORD_FIELD(*int_ker, INT_EVQS);
+	BUILD_BUG_ON(FSF_AZ_NET_IVEC_INT_Q_WIDTH > EFX_MAX_CHANNELS);
+	queues = EFX_OWORD_FIELD(*int_ker, FSF_AZ_NET_IVEC_INT_Q);
 	EFX_ZERO_OWORD(*int_ker);
 	wmb(); /* Ensure the vector is cleared before interrupt ack */
 	falcon_irq_ack_a1(efx);
@@ -1500,7 +1500,7 @@ static irqreturn_t falcon_msi_interrupt(int irq, void *dev_id)
 		  irq, raw_smp_processor_id(), EFX_OWORD_VAL(*int_ker));
 
 	/* Check to see if we have a serious error condition */
-	syserr = EFX_OWORD_FIELD(*int_ker, FATAL_INT);
+	syserr = EFX_OWORD_FIELD(*int_ker, FSF_AZ_NET_IVEC_FATAL_INT);
 	if (unlikely(syserr))
 		return falcon_fatal_interrupt(efx);
 
diff --git a/drivers/net/sfc/regs.h b/drivers/net/sfc/regs.h
index f336d83d5fa..89d606fe924 100644
--- a/drivers/net/sfc/regs.h
+++ b/drivers/net/sfc/regs.h
@@ -3106,18 +3106,6 @@
 #define FALCON_STATS_NOT_DONE 0x00000000
 #define FALCON_STATS_DONE 0xffffffff
 
-/* Interrupt status register bits */
-#define FATAL_INT_LBN 64
-#define FATAL_INT_WIDTH 1
-#define INT_EVQS_LBN 40
-#define INT_EVQS_WIDTH 4
-#define INT_FLAG_LBN 32
-#define INT_FLAG_WIDTH 1
-#define EVQ_FIFO_HF_LBN 1
-#define EVQ_FIFO_HF_WIDTH 1
-#define EVQ_FIFO_AF_LBN 0
-#define EVQ_FIFO_AF_WIDTH 1
-
 /**************************************************************************
  *
  * Falcon non-volatile configuration
-- 
GitLab


From 4b0d29dcfca9eafbf6e940862ab022df3ef2dd6f Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Sun, 29 Nov 2009 03:42:18 +0000
Subject: [PATCH 1627/1815] sfc: Turn pause frame generation on and off at the
 MAC, not the RX FIFO

Pause frame generation is gated by both RX_XOFF_MAC_EN and an enable
bit in each MAC.  RX_XOFF_MAC_EN bit always reads back as 0 so we need
to set it correctly every time we modify RX_CFG_REG.  Simplify this by
always setting it to 1 and only changing the enable bits in the MACs.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/falcon.c      | 13 ++++++-------
 drivers/net/sfc/falcon_xmac.c |  3 ++-
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 08f540f072b..040f553de66 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -1939,7 +1939,6 @@ void falcon_reconfigure_mac_wrapper(struct efx_nic *efx)
 	struct efx_link_state *link_state = &efx->link_state;
 	efx_oword_t reg;
 	int link_speed;
-	bool tx_fc;
 
 	switch (link_state->speed) {
 	case 10000: link_speed = 3; break;
@@ -1969,13 +1968,10 @@ void falcon_reconfigure_mac_wrapper(struct efx_nic *efx)
 	/* Restore the multicast hash registers. */
 	falcon_push_multicast_hash(efx);
 
-	/* Transmission of pause frames when RX crosses the threshold is
-	 * covered by RX_XOFF_MAC_EN and XM_TX_CFG_REG:XM_FCNTL.
-	 * Action on receipt of pause frames is controller by XM_DIS_FCNTL */
-	tx_fc = !!(efx->link_state.fc & EFX_FC_TX);
 	efx_reado(efx, &reg, FR_AZ_RX_CFG);
-	EFX_SET_OWORD_FIELD(reg, FRF_AZ_RX_XOFF_MAC_EN, tx_fc);
-
+	/* Enable XOFF signal from RX FIFO (we enabled it during NIC
+	 * initialisation but it may read back as 0) */
+	EFX_SET_OWORD_FIELD(reg, FRF_AZ_RX_XOFF_MAC_EN, 1);
 	/* Unisolate the MAC -> RX */
 	if (efx_nic_rev(efx) >= EFX_REV_FALCON_B0)
 		EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_INGR_EN, 1);
@@ -3000,6 +2996,9 @@ static void falcon_init_rx_cfg(struct efx_nic *efx)
 		EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_XOFF_TX_TH, ctrl_xoff_thr);
 		EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_INGR_EN, 1);
 	}
+	/* Always enable XOFF signal from RX FIFO.  We enable
+	 * or disable transmission of pause frames at the MAC. */
+	EFX_SET_OWORD_FIELD(reg, FRF_AZ_RX_XOFF_MAC_EN, 1);
 	efx_writeo(efx, &reg, FR_AZ_RX_CFG);
 }
 
diff --git a/drivers/net/sfc/falcon_xmac.c b/drivers/net/sfc/falcon_xmac.c
index 1523efdcefe..60dc0975cfa 100644
--- a/drivers/net/sfc/falcon_xmac.c
+++ b/drivers/net/sfc/falcon_xmac.c
@@ -148,6 +148,7 @@ static void falcon_reconfigure_xmac_core(struct efx_nic *efx)
 	unsigned int max_frame_len;
 	efx_oword_t reg;
 	bool rx_fc = !!(efx->link_state.fc & EFX_FC_RX);
+	bool tx_fc = !!(efx->link_state.fc & EFX_FC_TX);
 
 	/* Configure MAC  - cut-thru mode is hard wired on */
 	EFX_POPULATE_OWORD_3(reg,
@@ -162,7 +163,7 @@ static void falcon_reconfigure_xmac_core(struct efx_nic *efx)
 			     FRF_AB_XM_TX_PRMBL, 1,
 			     FRF_AB_XM_AUTO_PAD, 1,
 			     FRF_AB_XM_TXCRC, 1,
-			     FRF_AB_XM_FCNTL, 1,
+			     FRF_AB_XM_FCNTL, tx_fc,
 			     FRF_AB_XM_IPG, 0x3);
 	efx_writeo(efx, &reg, FR_AB_XM_TX_CFG);
 
-- 
GitLab


From ef2b90ee4dba7a3d9001f1f0003b860b39a4aaae Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Sun, 29 Nov 2009 03:42:31 +0000
Subject: [PATCH 1628/1815] sfc: Move Falcon NIC operations to efx_nic_type

This is preparation for adding differing implementations for new NICs.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c        | 44 +++++++++++---------
 drivers/net/sfc/ethtool.c    |  2 +-
 drivers/net/sfc/falcon.c     | 79 +++++++++++++++++++++++-------------
 drivers/net/sfc/falcon.h     | 12 ------
 drivers/net/sfc/net_driver.h | 29 +++++++++++++
 drivers/net/sfc/selftest.c   |  2 +-
 6 files changed, 105 insertions(+), 63 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index f5e81114270..73ab246d9f2 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -274,14 +274,14 @@ static int efx_poll(struct napi_struct *napi, int budget)
 				     irq_adapt_low_thresh)) {
 				if (channel->irq_moderation > 1) {
 					channel->irq_moderation -= 1;
-					falcon_set_int_moderation(channel);
+					efx->type->push_irq_moderation(channel);
 				}
 			} else if (unlikely(channel->irq_mod_score >
 					    irq_adapt_high_thresh)) {
 				if (channel->irq_moderation <
 				    efx->irq_rx_moderation) {
 					channel->irq_moderation += 1;
-					falcon_set_int_moderation(channel);
+					efx->type->push_irq_moderation(channel);
 				}
 			}
 			channel->irq_count = 0;
@@ -637,7 +637,7 @@ void __efx_reconfigure_port(struct efx_nic *efx)
 		netif_addr_unlock_bh(efx->net_dev);
 	}
 
-	falcon_stop_nic_stats(efx);
+	efx->type->stop_stats(efx);
 	falcon_deconfigure_mac_wrapper(efx);
 
 	/* Reconfigure the PHY, disabling transmit in mac level loopback. */
@@ -652,7 +652,7 @@ void __efx_reconfigure_port(struct efx_nic *efx)
 
 	efx->mac_op->reconfigure(efx);
 
-	falcon_start_nic_stats(efx);
+	efx->type->start_stats(efx);
 
 	/* Inform kernel of loss/gain of carrier */
 	efx_link_status_changed(efx);
@@ -684,7 +684,7 @@ static void efx_mac_work(struct work_struct *data)
 
 	mutex_lock(&efx->mac_lock);
 	if (efx->port_enabled) {
-		falcon_push_multicast_hash(efx);
+		efx->type->push_multicast_hash(efx);
 		efx->mac_op->reconfigure(efx);
 	}
 	mutex_unlock(&efx->mac_lock);
@@ -696,8 +696,8 @@ static int efx_probe_port(struct efx_nic *efx)
 
 	EFX_LOG(efx, "create port\n");
 
-	/* Connect up MAC/PHY operations table and read MAC address */
-	rc = falcon_probe_port(efx);
+	/* Connect up MAC/PHY operations table */
+	rc = efx->type->probe_port(efx);
 	if (rc)
 		goto err;
 
@@ -765,7 +765,7 @@ static void efx_start_port(struct efx_nic *efx)
 
 	/* efx_mac_work() might have been scheduled after efx_stop_port(),
 	 * and then cancelled by efx_flush_all() */
-	falcon_push_multicast_hash(efx);
+	efx->type->push_multicast_hash(efx);
 	efx->mac_op->reconfigure(efx);
 
 	mutex_unlock(&efx->mac_lock);
@@ -805,7 +805,7 @@ static void efx_remove_port(struct efx_nic *efx)
 {
 	EFX_LOG(efx, "destroying port\n");
 
-	falcon_remove_port(efx);
+	efx->type->remove_port(efx);
 }
 
 /**************************************************************************
@@ -1042,7 +1042,7 @@ static int efx_probe_nic(struct efx_nic *efx)
 	EFX_LOG(efx, "creating NIC\n");
 
 	/* Carry out hardware-type specific initialisation */
-	rc = falcon_probe_nic(efx);
+	rc = efx->type->probe(efx);
 	if (rc)
 		return rc;
 
@@ -1063,7 +1063,7 @@ static void efx_remove_nic(struct efx_nic *efx)
 	EFX_LOG(efx, "destroying NIC\n");
 
 	efx_remove_interrupts(efx);
-	falcon_remove_nic(efx);
+	efx->type->remove(efx);
 }
 
 /**************************************************************************
@@ -1145,12 +1145,12 @@ static void efx_start_all(struct efx_nic *efx)
 
 	falcon_enable_interrupts(efx);
 
-	/* Start hardware monitor if we're in RUNNING */
-	if (efx->state == STATE_RUNNING)
+	/* Start the hardware monitor (if there is one) if we're in RUNNING */
+	if (efx->state == STATE_RUNNING && efx->type->monitor != NULL)
 		queue_delayed_work(efx->workqueue, &efx->monitor_work,
 				   efx_monitor_interval);
 
-	falcon_start_nic_stats(efx);
+	efx->type->start_stats(efx);
 }
 
 /* Flush all delayed work. Should only be called when no more delayed work
@@ -1186,7 +1186,7 @@ static void efx_stop_all(struct efx_nic *efx)
 	if (!efx->port_enabled)
 		return;
 
-	falcon_stop_nic_stats(efx);
+	efx->type->stop_stats(efx);
 
 	/* Disable interrupts and wait for ISR to complete */
 	falcon_disable_interrupts(efx);
@@ -1284,6 +1284,7 @@ static void efx_monitor(struct work_struct *data)
 
 	EFX_TRACE(efx, "hardware monitor executing on CPU %d\n",
 		  raw_smp_processor_id());
+	BUG_ON(efx->type->monitor == NULL);
 
 	/* If the mac_lock is already held then it is likely a port
 	 * reconfiguration is already in place, which will likely do
@@ -1292,7 +1293,7 @@ static void efx_monitor(struct work_struct *data)
 		goto out_requeue;
 	if (!efx->port_enabled)
 		goto out_unlock;
-	falcon_monitor(efx);
+	efx->type->monitor(efx);
 
 out_unlock:
 	mutex_unlock(&efx->mac_lock);
@@ -1430,7 +1431,7 @@ static struct net_device_stats *efx_net_stats(struct net_device *net_dev)
 	struct net_device_stats *stats = &net_dev->stats;
 
 	spin_lock_bh(&efx->stats_lock);
-	falcon_update_nic_stats(efx);
+	efx->type->update_stats(efx);
 	spin_unlock_bh(&efx->stats_lock);
 
 	stats->rx_packets = mac_stats->rx_packets;
@@ -1695,6 +1696,7 @@ void efx_reset_down(struct efx_nic *efx, enum reset_type method,
 	efx_fini_channels(efx);
 	if (efx->port_initialized && method != RESET_TYPE_INVISIBLE)
 		efx->phy_op->fini(efx);
+	efx->type->fini(efx);
 }
 
 /* This function will always ensure that the locks acquired in
@@ -1709,7 +1711,7 @@ int efx_reset_up(struct efx_nic *efx, enum reset_type method,
 
 	EFX_ASSERT_RESET_SERIALISED(efx);
 
-	rc = falcon_init_nic(efx);
+	rc = efx->type->init(efx);
 	if (rc) {
 		EFX_ERR(efx, "failed to initialise NIC\n");
 		ok = false;
@@ -1769,7 +1771,7 @@ static int efx_reset(struct efx_nic *efx)
 
 	efx_reset_down(efx, method, &ecmd);
 
-	rc = falcon_reset_hw(efx, method);
+	rc = efx->type->reset(efx, method);
 	if (rc) {
 		EFX_ERR(efx, "failed to reset hardware\n");
 		goto out_disable;
@@ -2005,6 +2007,7 @@ static void efx_pci_remove_main(struct efx_nic *efx)
 	falcon_fini_interrupt(efx);
 	efx_fini_channels(efx);
 	efx_fini_port(efx);
+	efx->type->fini(efx);
 	efx_fini_napi(efx);
 	efx_remove_all(efx);
 }
@@ -2064,7 +2067,7 @@ static int efx_pci_probe_main(struct efx_nic *efx)
 	if (rc)
 		goto fail2;
 
-	rc = falcon_init_nic(efx);
+	rc = efx->type->init(efx);
 	if (rc) {
 		EFX_ERR(efx, "failed to initialise NIC\n");
 		goto fail3;
@@ -2088,6 +2091,7 @@ static int efx_pci_probe_main(struct efx_nic *efx)
 	efx_fini_channels(efx);
 	efx_fini_port(efx);
  fail4:
+	efx->type->fini(efx);
  fail3:
 	efx_fini_napi(efx);
  fail2:
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index d3da360f09b..49e0aed920d 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -649,7 +649,7 @@ static int efx_ethtool_set_coalesce(struct net_device *net_dev,
 
 	efx_init_irq_moderation(efx, tx_usecs, rx_usecs, adaptive);
 	efx_for_each_channel(channel, efx)
-		falcon_set_int_moderation(channel);
+		efx->type->push_irq_moderation(channel);
 
 	return 0;
 }
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 040f553de66..f6d10213d0b 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -1041,7 +1041,7 @@ int falcon_process_eventq(struct efx_channel *channel, int rx_quota)
 	return rx_packets;
 }
 
-void falcon_set_int_moderation(struct efx_channel *channel)
+static void falcon_push_irq_moderation(struct efx_channel *channel)
 {
 	efx_dword_t timer_cmd;
 	struct efx_nic *efx = channel->efx;
@@ -1098,7 +1098,7 @@ void falcon_init_eventq(struct efx_channel *channel)
 	efx_writeo_table(efx, &evq_ptr, efx->type->evq_ptr_tbl_base,
 			 channel->channel);
 
-	falcon_set_int_moderation(channel);
+	falcon_push_irq_moderation(channel);
 }
 
 void falcon_fini_eventq(struct efx_channel *channel)
@@ -1212,7 +1212,8 @@ int falcon_flush_queues(struct efx_nic *efx)
 	struct efx_tx_queue *tx_queue;
 	int i, tx_pending, rx_pending;
 
-	falcon_prepare_flush(efx);
+	/* If necessary prepare the hardware for flushing */
+	efx->type->prepare_flush(efx);
 
 	/* Flush all tx queues in parallel */
 	efx_for_each_tx_queue(tx_queue, efx)
@@ -1825,6 +1826,16 @@ int falcon_spi_write(const struct efx_spi_device *spi, loff_t start,
  **************************************************************************
  */
 
+static void falcon_push_multicast_hash(struct efx_nic *efx)
+{
+	union efx_multicast_hash *mc_hash = &efx->multicast_hash;
+
+	WARN_ON(!mutex_is_locked(&efx->mac_lock));
+
+	efx_writeo(efx, &mc_hash->oword[0], FR_AB_MAC_MC_HASH_REG0);
+	efx_writeo(efx, &mc_hash->oword[1], FR_AB_MAC_MC_HASH_REG1);
+}
+
 static int falcon_reset_macs(struct efx_nic *efx)
 {
 	efx_oword_t reg;
@@ -2240,7 +2251,7 @@ out:
 }
 
 /* This call is responsible for hooking in the MAC and PHY operations */
-int falcon_probe_port(struct efx_nic *efx)
+static int falcon_probe_port(struct efx_nic *efx)
 {
 	int rc;
 
@@ -2299,29 +2310,11 @@ int falcon_probe_port(struct efx_nic *efx)
 	return 0;
 }
 
-void falcon_remove_port(struct efx_nic *efx)
+static void falcon_remove_port(struct efx_nic *efx)
 {
 	falcon_free_buffer(efx, &efx->stats_buffer);
 }
 
-/**************************************************************************
- *
- * Multicast filtering
- *
- **************************************************************************
- */
-
-void falcon_push_multicast_hash(struct efx_nic *efx)
-{
-	union efx_multicast_hash *mc_hash = &efx->multicast_hash;
-
-	WARN_ON(!mutex_is_locked(&efx->mac_lock));
-
-	efx_writeo(efx, &mc_hash->oword[0], FR_AB_MAC_MC_HASH_REG0);
-	efx_writeo(efx, &mc_hash->oword[1], FR_AB_MAC_MC_HASH_REG1);
-}
-
-
 /**************************************************************************
  *
  * Falcon test code
@@ -2503,7 +2496,7 @@ fail:
 
 /* Resets NIC to known state.  This routine must be called in process
  * context and is allowed to sleep. */
-int falcon_reset_hw(struct efx_nic *efx, enum reset_type method)
+static int falcon_reset_hw(struct efx_nic *efx, enum reset_type method)
 {
 	struct falcon_nic_data *nic_data = efx->nic_data;
 	efx_oword_t glb_ctl_reg_ker;
@@ -2592,7 +2585,7 @@ fail5:
 	return rc;
 }
 
-void falcon_monitor(struct efx_nic *efx)
+static void falcon_monitor(struct efx_nic *efx)
 {
 	bool link_changed;
 	int rc;
@@ -2850,7 +2843,7 @@ static void falcon_probe_spi_devices(struct efx_nic *efx)
 				       large_eeprom_type);
 }
 
-int falcon_probe_nic(struct efx_nic *efx)
+static int falcon_probe_nic(struct efx_nic *efx)
 {
 	struct falcon_nic_data *nic_data;
 	struct falcon_board *board;
@@ -3006,7 +2999,7 @@ static void falcon_init_rx_cfg(struct efx_nic *efx)
  * defining the descriptor cache sizes and number of RSS channels.
  * It does not set up any buffers, descriptor rings or event queues.
  */
-int falcon_init_nic(struct efx_nic *efx)
+static int falcon_init_nic(struct efx_nic *efx)
 {
 	efx_oword_t temp;
 	int rc;
@@ -3139,7 +3132,7 @@ int falcon_init_nic(struct efx_nic *efx)
 	return 0;
 }
 
-void falcon_remove_nic(struct efx_nic *efx)
+static void falcon_remove_nic(struct efx_nic *efx)
 {
 	struct falcon_nic_data *nic_data = efx->nic_data;
 	struct falcon_board *board = falcon_board(efx);
@@ -3168,7 +3161,7 @@ void falcon_remove_nic(struct efx_nic *efx)
 	efx->nic_data = NULL;
 }
 
-void falcon_update_nic_stats(struct efx_nic *efx)
+static void falcon_update_nic_stats(struct efx_nic *efx)
 {
 	struct falcon_nic_data *nic_data = efx->nic_data;
 	efx_oword_t cnt;
@@ -3232,6 +3225,20 @@ void falcon_stop_nic_stats(struct efx_nic *efx)
  */
 
 struct efx_nic_type falcon_a1_nic_type = {
+	.probe = falcon_probe_nic,
+	.remove = falcon_remove_nic,
+	.init = falcon_init_nic,
+	.fini = efx_port_dummy_op_void,
+	.monitor = falcon_monitor,
+	.reset = falcon_reset_hw,
+	.probe_port = falcon_probe_port,
+	.remove_port = falcon_remove_port,
+	.prepare_flush = falcon_prepare_flush,
+	.update_stats = falcon_update_nic_stats,
+	.start_stats = falcon_start_nic_stats,
+	.stop_stats = falcon_stop_nic_stats,
+	.push_irq_moderation = falcon_push_irq_moderation,
+	.push_multicast_hash = falcon_push_multicast_hash,
 	.default_mac_ops = &falcon_xmac_operations,
 
 	.revision = EFX_REV_FALCON_A1,
@@ -3250,6 +3257,20 @@ struct efx_nic_type falcon_a1_nic_type = {
 };
 
 struct efx_nic_type falcon_b0_nic_type = {
+	.probe = falcon_probe_nic,
+	.remove = falcon_remove_nic,
+	.init = falcon_init_nic,
+	.fini = efx_port_dummy_op_void,
+	.monitor = falcon_monitor,
+	.reset = falcon_reset_hw,
+	.probe_port = falcon_probe_port,
+	.remove_port = falcon_remove_port,
+	.prepare_flush = falcon_prepare_flush,
+	.update_stats = falcon_update_nic_stats,
+	.start_stats = falcon_start_nic_stats,
+	.stop_stats = falcon_stop_nic_stats,
+	.push_irq_moderation = falcon_push_irq_moderation,
+	.push_multicast_hash = falcon_push_multicast_hash,
 	.default_mac_ops = &falcon_xmac_operations,
 
 	.revision = EFX_REV_FALCON_B0,
diff --git a/drivers/net/sfc/falcon.h b/drivers/net/sfc/falcon.h
index 81196a0fb50..3fe64849c98 100644
--- a/drivers/net/sfc/falcon.h
+++ b/drivers/net/sfc/falcon.h
@@ -129,10 +129,6 @@ extern void falcon_remove_eventq(struct efx_channel *channel);
 extern int falcon_process_eventq(struct efx_channel *channel, int rx_quota);
 extern void falcon_eventq_read_ack(struct efx_channel *channel);
 
-/* Ports */
-extern int falcon_probe_port(struct efx_nic *efx);
-extern void falcon_remove_port(struct efx_nic *efx);
-
 /* MAC/PHY */
 extern int falcon_switch_mac(struct efx_nic *efx);
 extern bool falcon_xaui_link_ok(struct efx_nic *efx);
@@ -146,23 +142,15 @@ extern void falcon_enable_interrupts(struct efx_nic *efx);
 extern void falcon_generate_test_event(struct efx_channel *channel,
 				       unsigned int magic);
 extern void falcon_generate_interrupt(struct efx_nic *efx);
-extern void falcon_set_int_moderation(struct efx_channel *channel);
 extern void falcon_disable_interrupts(struct efx_nic *efx);
 extern void falcon_fini_interrupt(struct efx_nic *efx);
 
 #define FALCON_IRQ_MOD_RESOLUTION 5
 
 /* Global Resources */
-extern int falcon_probe_nic(struct efx_nic *efx);
-extern int falcon_init_nic(struct efx_nic *efx);
 extern int falcon_flush_queues(struct efx_nic *efx);
-extern int falcon_reset_hw(struct efx_nic *efx, enum reset_type method);
-extern void falcon_monitor(struct efx_nic *efx);
-extern void falcon_remove_nic(struct efx_nic *efx);
-extern void falcon_update_nic_stats(struct efx_nic *efx);
 extern void falcon_start_nic_stats(struct efx_nic *efx);
 extern void falcon_stop_nic_stats(struct efx_nic *efx);
-extern void falcon_push_multicast_hash(struct efx_nic *efx);
 extern int falcon_reset_xaui(struct efx_nic *efx);
 
 /* Tests */
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index fddf8f5870c..32806f9a7e4 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -843,6 +843,21 @@ static inline const char *efx_dev_name(struct efx_nic *efx)
 
 /**
  * struct efx_nic_type - Efx device type definition
+ * @probe: Probe the controller
+ * @remove: Free resources allocated by probe()
+ * @init: Initialise the controller
+ * @fini: Shut down the controller
+ * @monitor: Periodic function for polling link state and hardware monitor
+ * @reset: Reset the controller hardware and possibly the PHY.  This will
+ *	be called while the controller is uninitialised.
+ * @probe_port: Probe the MAC and PHY
+ * @remove_port: Free resources allocated by probe_port()
+ * @prepare_flush: Prepare the hardware for flushing the DMA queues
+ * @update_stats: Update statistics not provided by event handling
+ * @start_stats: Start the regular fetching of statistics
+ * @stop_stats: Stop the regular fetching of statistics
+ * @push_irq_moderation: Apply interrupt moderation value
+ * @push_multicast_hash: Apply multicast hash table
  * @default_mac_ops: efx_mac_operations to set at startup
  * @revision: Hardware architecture revision
  * @mem_map_size: Memory BAR mapped size
@@ -861,6 +876,20 @@ static inline const char *efx_dev_name(struct efx_nic *efx)
  * @rx_dc_base: Base address in SRAM of RX queue descriptor caches
  */
 struct efx_nic_type {
+	int (*probe)(struct efx_nic *efx);
+	void (*remove)(struct efx_nic *efx);
+	int (*init)(struct efx_nic *efx);
+	void (*fini)(struct efx_nic *efx);
+	void (*monitor)(struct efx_nic *efx);
+	int (*reset)(struct efx_nic *efx, enum reset_type method);
+	int (*probe_port)(struct efx_nic *efx);
+	void (*remove_port)(struct efx_nic *efx);
+	void (*prepare_flush)(struct efx_nic *efx);
+	void (*update_stats)(struct efx_nic *efx);
+	void (*start_stats)(struct efx_nic *efx);
+	void (*stop_stats)(struct efx_nic *efx);
+	void (*push_irq_moderation)(struct efx_channel *channel);
+	void (*push_multicast_hash)(struct efx_nic *efx);
 	struct efx_mac_operations *default_mac_ops;
 
 	int revision;
diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c
index 74e84afd5b6..15d4d9c8136 100644
--- a/drivers/net/sfc/selftest.c
+++ b/drivers/net/sfc/selftest.c
@@ -719,7 +719,7 @@ int efx_selftest(struct efx_nic *efx, struct efx_self_tests *tests,
 		rc_test = rc;
 
 	/* reset the chip to recover from the register test */
-	rc_reset = falcon_reset_hw(efx, reset_method);
+	rc_reset = efx->type->reset(efx, reset_method);
 
 	/* Ensure that the phy is powered and out of loopback
 	 * for the bist and loopback tests */
-- 
GitLab


From d3245b28ef2a45ec4e115062a38100bd06229289 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Sun, 29 Nov 2009 03:42:41 +0000
Subject: [PATCH 1629/1815] sfc: Refactor link configuration

Refactor PHY, MAC and NIC configuration operations so that the
existing link configuration can be re-pushed with:

	efx->phy_op->reconfigure(efx);
	efx->mac_op->reconfigure(efx);

and a new configuration with:

	efx->nic_op->reconfigure_port(efx);

(plus locking and error-checking).

We have not held the link settings in software (aside from flow
control), and have relied on asking the hardware what they are.  This
is a problem because in some cases the hardware may no longer be in a
state to tell us.  In particular, if an entire multi-port board is
reset through one port, the driver bindings to other ports have no
chance to save settings before recovering.

We only actually need to keep track of the autonegotiation settings,
so add an ethtool advertising mask to struct efx_nic, initialise it
in PHY init and update it as necessary.

Remove now-unneeded uses of efx_phy_op::{get,set}_settings() and
struct ethtool_cmd.

Much of this was done by Steve Hodgson <shodgson@solarflare.com>.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c           | 132 +++++++++++++++++++-------------
 drivers/net/sfc/efx.h           |  12 +--
 drivers/net/sfc/ethtool.c       |  61 ++++++++++-----
 drivers/net/sfc/falcon.c        |  98 +++++++++++++++---------
 drivers/net/sfc/falcon.h        |   3 -
 drivers/net/sfc/falcon_boards.c |   3 +-
 drivers/net/sfc/falcon_gmac.c   |   4 +-
 drivers/net/sfc/falcon_xmac.c   |   8 +-
 drivers/net/sfc/mac.h           |   1 +
 drivers/net/sfc/mdio_10g.c      |  41 ++++++----
 drivers/net/sfc/mdio_10g.h      |   3 +
 drivers/net/sfc/net_driver.h    |   8 +-
 drivers/net/sfc/qt202x_phy.c    |   4 +-
 drivers/net/sfc/selftest.c      |  11 +--
 drivers/net/sfc/tenxpress.c     |  66 +++++++---------
 15 files changed, 273 insertions(+), 182 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 73ab246d9f2..4210121eeff 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -620,16 +620,49 @@ void efx_link_status_changed(struct efx_nic *efx)
 
 }
 
+void efx_link_set_advertising(struct efx_nic *efx, u32 advertising)
+{
+	efx->link_advertising = advertising;
+	if (advertising) {
+		if (advertising & ADVERTISED_Pause)
+			efx->wanted_fc |= (EFX_FC_TX | EFX_FC_RX);
+		else
+			efx->wanted_fc &= ~(EFX_FC_TX | EFX_FC_RX);
+		if (advertising & ADVERTISED_Asym_Pause)
+			efx->wanted_fc ^= EFX_FC_TX;
+	}
+}
+
+void efx_link_set_wanted_fc(struct efx_nic *efx, enum efx_fc_type wanted_fc)
+{
+	efx->wanted_fc = wanted_fc;
+	if (efx->link_advertising) {
+		if (wanted_fc & EFX_FC_RX)
+			efx->link_advertising |= (ADVERTISED_Pause |
+						  ADVERTISED_Asym_Pause);
+		else
+			efx->link_advertising &= ~(ADVERTISED_Pause |
+						   ADVERTISED_Asym_Pause);
+		if (wanted_fc & EFX_FC_TX)
+			efx->link_advertising ^= ADVERTISED_Asym_Pause;
+	}
+}
+
 static void efx_fini_port(struct efx_nic *efx);
 
-/* This call reinitialises the MAC to pick up new PHY settings. The
- * caller must hold the mac_lock */
-void __efx_reconfigure_port(struct efx_nic *efx)
+/* Push loopback/power/transmit disable settings to the PHY, and reconfigure
+ * the MAC appropriately. All other PHY configuration changes are pushed
+ * through phy_op->set_settings(), and pushed asynchronously to the MAC
+ * through efx_monitor().
+ *
+ * Callers must hold the mac_lock
+ */
+int __efx_reconfigure_port(struct efx_nic *efx)
 {
-	WARN_ON(!mutex_is_locked(&efx->mac_lock));
+	enum efx_phy_mode phy_mode;
+	int rc;
 
-	EFX_LOG(efx, "reconfiguring MAC from PHY settings on CPU %d\n",
-		raw_smp_processor_id());
+	WARN_ON(!mutex_is_locked(&efx->mac_lock));
 
 	/* Serialise the promiscuous flag with efx_set_multicast_list. */
 	if (efx_dev_registered(efx)) {
@@ -637,42 +670,34 @@ void __efx_reconfigure_port(struct efx_nic *efx)
 		netif_addr_unlock_bh(efx->net_dev);
 	}
 
-	efx->type->stop_stats(efx);
-	falcon_deconfigure_mac_wrapper(efx);
-
-	/* Reconfigure the PHY, disabling transmit in mac level loopback. */
+	/* Disable PHY transmit in mac level loopbacks */
+	phy_mode = efx->phy_mode;
 	if (LOOPBACK_INTERNAL(efx))
 		efx->phy_mode |= PHY_MODE_TX_DISABLED;
 	else
 		efx->phy_mode &= ~PHY_MODE_TX_DISABLED;
-	efx->phy_op->reconfigure(efx);
-
-	if (falcon_switch_mac(efx))
-		goto fail;
 
-	efx->mac_op->reconfigure(efx);
+	rc = efx->type->reconfigure_port(efx);
 
-	efx->type->start_stats(efx);
-
-	/* Inform kernel of loss/gain of carrier */
-	efx_link_status_changed(efx);
-	return;
+	if (rc)
+		efx->phy_mode = phy_mode;
 
-fail:
-	EFX_ERR(efx, "failed to reconfigure MAC\n");
-	efx->port_enabled = false;
-	efx_fini_port(efx);
+	return rc;
 }
 
 /* Reinitialise the MAC to pick up new PHY settings, even if the port is
  * disabled. */
-void efx_reconfigure_port(struct efx_nic *efx)
+int efx_reconfigure_port(struct efx_nic *efx)
 {
+	int rc;
+
 	EFX_ASSERT_RESET_SERIALISED(efx);
 
 	mutex_lock(&efx->mac_lock);
-	__efx_reconfigure_port(efx);
+	rc = __efx_reconfigure_port(efx);
 	mutex_unlock(&efx->mac_lock);
+
+	return rc;
 }
 
 /* Asynchronous work item for changing MAC promiscuity and multicast
@@ -737,14 +762,18 @@ static int efx_init_port(struct efx_nic *efx)
 	rc = efx->phy_op->init(efx);
 	if (rc)
 		goto fail1;
-	efx->phy_op->reconfigure(efx);
-	rc = falcon_switch_mac(efx);
-	if (rc)
-		goto fail2;
-	efx->mac_op->reconfigure(efx);
 
 	efx->port_initialized = true;
 
+	/* Reconfigure the MAC before creating dma queues (required for
+	 * Falcon/A1 where RX_INGR_EN/TX_DRAIN_EN isn't supported) */
+	efx->mac_op->reconfigure(efx);
+
+	/* Ensure the PHY advertises the correct flow control settings */
+	rc = efx->phy_op->reconfigure(efx);
+	if (rc)
+		goto fail2;
+
 	mutex_unlock(&efx->mac_lock);
 	return 0;
 
@@ -1209,12 +1238,6 @@ static void efx_stop_all(struct efx_nic *efx)
 	/* Flush efx_mac_work(), refill_workqueue, monitor_work */
 	efx_flush_all(efx);
 
-	/* Isolate the MAC from the TX and RX engines, so that queue
-	 * flushes will complete in a timely fashion. */
-	falcon_deconfigure_mac_wrapper(efx);
-	msleep(10); /* Let the Rx FIFO drain */
-	falcon_drain_tx_fifo(efx);
-
 	/* Stop the kernel transmit interface late, so the watchdog
 	 * timer isn't ticking over the flush */
 	if (efx_dev_registered(efx)) {
@@ -1491,7 +1514,14 @@ static int efx_change_mtu(struct net_device *net_dev, int new_mtu)
 	EFX_LOG(efx, "changing MTU to %d\n", new_mtu);
 
 	efx_fini_channels(efx);
+
+	mutex_lock(&efx->mac_lock);
+	/* Reconfigure the MAC before enabling the dma queues so that
+	 * the RX buffers don't overflow */
 	net_dev->mtu = new_mtu;
+	efx->mac_op->reconfigure(efx);
+	mutex_unlock(&efx->mac_lock);
+
 	efx_init_channels(efx);
 
 	efx_start_all(efx);
@@ -1515,7 +1545,9 @@ static int efx_set_mac_address(struct net_device *net_dev, void *data)
 	memcpy(net_dev->dev_addr, new_addr, net_dev->addr_len);
 
 	/* Reconfigure the MAC */
-	efx_reconfigure_port(efx);
+	mutex_lock(&efx->mac_lock);
+	efx->mac_op->reconfigure(efx);
+	mutex_unlock(&efx->mac_lock);
 
 	return 0;
 }
@@ -1682,8 +1714,7 @@ static void efx_unregister_netdev(struct efx_nic *efx)
 
 /* Tears down the entire software state and most of the hardware state
  * before reset.  */
-void efx_reset_down(struct efx_nic *efx, enum reset_type method,
-		    struct ethtool_cmd *ecmd)
+void efx_reset_down(struct efx_nic *efx, enum reset_type method)
 {
 	EFX_ASSERT_RESET_SERIALISED(efx);
 
@@ -1691,8 +1722,6 @@ void efx_reset_down(struct efx_nic *efx, enum reset_type method,
 	mutex_lock(&efx->mac_lock);
 	mutex_lock(&efx->spi_lock);
 
-	efx->phy_op->get_settings(efx, ecmd);
-
 	efx_fini_channels(efx);
 	if (efx->port_initialized && method != RESET_TYPE_INVISIBLE)
 		efx->phy_op->fini(efx);
@@ -1704,8 +1733,7 @@ void efx_reset_down(struct efx_nic *efx, enum reset_type method,
  * that we were unable to reinitialise the hardware, and the
  * driver should be disabled. If ok is false, then the rx and tx
  * engines are not restarted, pending a RESET_DISABLE. */
-int efx_reset_up(struct efx_nic *efx, enum reset_type method,
-		 struct ethtool_cmd *ecmd, bool ok)
+int efx_reset_up(struct efx_nic *efx, enum reset_type method, bool ok)
 {
 	int rc;
 
@@ -1722,16 +1750,17 @@ int efx_reset_up(struct efx_nic *efx, enum reset_type method,
 			rc = efx->phy_op->init(efx);
 			if (rc)
 				ok = false;
+			if (efx->phy_op->reconfigure(efx))
+				EFX_ERR(efx, "could not restore PHY settings\n");
 		}
 		if (!ok)
 			efx->port_initialized = false;
 	}
 
 	if (ok) {
-		efx_init_channels(efx);
+		efx->mac_op->reconfigure(efx);
 
-		if (efx->phy_op->set_settings(efx, ecmd))
-			EFX_ERR(efx, "could not restore PHY settings\n");
+		efx_init_channels(efx);
 	}
 
 	mutex_unlock(&efx->spi_lock);
@@ -1753,7 +1782,6 @@ int efx_reset_up(struct efx_nic *efx, enum reset_type method,
  */
 static int efx_reset(struct efx_nic *efx)
 {
-	struct ethtool_cmd ecmd;
 	enum reset_type method = efx->reset_pending;
 	int rc = 0;
 
@@ -1769,7 +1797,7 @@ static int efx_reset(struct efx_nic *efx)
 
 	EFX_INFO(efx, "resetting (%s)\n", RESET_TYPE(method));
 
-	efx_reset_down(efx, method, &ecmd);
+	efx_reset_down(efx, method);
 
 	rc = efx->type->reset(efx, method);
 	if (rc) {
@@ -1788,10 +1816,10 @@ static int efx_reset(struct efx_nic *efx)
 
 	/* Leave device stopped if necessary */
 	if (method == RESET_TYPE_DISABLE) {
-		efx_reset_up(efx, method, &ecmd, false);
+		efx_reset_up(efx, method, false);
 		rc = -EIO;
 	} else {
-		rc = efx_reset_up(efx, method, &ecmd, true);
+		rc = efx_reset_up(efx, method, true);
 	}
 
 out_disable:
@@ -1895,7 +1923,7 @@ bool efx_port_dummy_op_poll(struct efx_nic *efx)
 
 static struct efx_phy_operations efx_dummy_phy_operations = {
 	.init		 = efx_port_dummy_op_int,
-	.reconfigure	 = efx_port_dummy_op_void,
+	.reconfigure	 = efx_port_dummy_op_int,
 	.poll		 = efx_port_dummy_op_poll,
 	.fini		 = efx_port_dummy_op_void,
 };
diff --git a/drivers/net/sfc/efx.h b/drivers/net/sfc/efx.h
index 15edda2a224..c7850032158 100644
--- a/drivers/net/sfc/efx.h
+++ b/drivers/net/sfc/efx.h
@@ -60,8 +60,8 @@ extern void efx_process_channel_now(struct efx_channel *channel);
 #define EFX_EVQ_MASK (EFX_EVQ_SIZE - 1)
 
 /* Ports */
-extern void efx_reconfigure_port(struct efx_nic *efx);
-extern void __efx_reconfigure_port(struct efx_nic *efx);
+extern int efx_reconfigure_port(struct efx_nic *efx);
+extern int __efx_reconfigure_port(struct efx_nic *efx);
 
 /* Ethtool support */
 extern int efx_ethtool_get_settings(struct net_device *net_dev,
@@ -71,10 +71,8 @@ extern int efx_ethtool_set_settings(struct net_device *net_dev,
 extern const struct ethtool_ops efx_ethtool_ops;
 
 /* Reset handling */
-extern void efx_reset_down(struct efx_nic *efx, enum reset_type method,
-			   struct ethtool_cmd *ecmd);
-extern int efx_reset_up(struct efx_nic *efx, enum reset_type method,
-			struct ethtool_cmd *ecmd, bool ok);
+extern void efx_reset_down(struct efx_nic *efx, enum reset_type method);
+extern int efx_reset_up(struct efx_nic *efx, enum reset_type method, bool ok);
 
 /* Global */
 extern void efx_schedule_reset(struct efx_nic *efx, enum reset_type type);
@@ -115,5 +113,7 @@ static inline void efx_schedule_channel(struct efx_channel *channel)
 }
 
 extern void efx_link_status_changed(struct efx_nic *efx);
+extern void efx_link_set_advertising(struct efx_nic *efx, u32);
+extern void efx_link_set_wanted_fc(struct efx_nic *efx, enum efx_fc_type);
 
 #endif /* EFX_EFX_H */
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index 49e0aed920d..d95d0fa399f 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -10,7 +10,6 @@
 
 #include <linux/netdevice.h>
 #include <linux/ethtool.h>
-#include <linux/mdio.h>
 #include <linux/rtnetlink.h>
 #include "net_driver.h"
 #include "workarounds.h"
@@ -191,6 +190,7 @@ int efx_ethtool_get_settings(struct net_device *net_dev,
 			     struct ethtool_cmd *ecmd)
 {
 	struct efx_nic *efx = netdev_priv(net_dev);
+	struct efx_link_state *link_state = &efx->link_state;
 
 	mutex_lock(&efx->mac_lock);
 	efx->phy_op->get_settings(efx, ecmd);
@@ -198,6 +198,13 @@ int efx_ethtool_get_settings(struct net_device *net_dev,
 
 	/* Falcon GMAC does not support 1000Mbps HD */
 	ecmd->supported &= ~SUPPORTED_1000baseT_Half;
+	/* Both MACs support pause frames (bidirectional and respond-only) */
+	ecmd->supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause;
+
+	if (LOOPBACK_INTERNAL(efx)) {
+		ecmd->speed = link_state->speed;
+		ecmd->duplex = link_state->fd ? DUPLEX_FULL : DUPLEX_HALF;
+	}
 
 	return 0;
 }
@@ -219,9 +226,6 @@ int efx_ethtool_set_settings(struct net_device *net_dev,
 	mutex_lock(&efx->mac_lock);
 	rc = efx->phy_op->set_settings(efx, ecmd);
 	mutex_unlock(&efx->mac_lock);
-	if (!rc)
-		efx_reconfigure_port(efx);
-
 	return rc;
 }
 
@@ -658,8 +662,12 @@ static int efx_ethtool_set_pauseparam(struct net_device *net_dev,
 				      struct ethtool_pauseparam *pause)
 {
 	struct efx_nic *efx = netdev_priv(net_dev);
-	enum efx_fc_type wanted_fc;
+	enum efx_fc_type wanted_fc, old_fc;
+	u32 old_adv;
 	bool reset;
+	int rc = 0;
+
+	mutex_lock(&efx->mac_lock);
 
 	wanted_fc = ((pause->rx_pause ? EFX_FC_RX : 0) |
 		     (pause->tx_pause ? EFX_FC_TX : 0) |
@@ -667,14 +675,14 @@ static int efx_ethtool_set_pauseparam(struct net_device *net_dev,
 
 	if ((wanted_fc & EFX_FC_TX) && !(wanted_fc & EFX_FC_RX)) {
 		EFX_LOG(efx, "Flow control unsupported: tx ON rx OFF\n");
-		return -EINVAL;
+		rc = -EINVAL;
+		goto out;
 	}
 
-	if (!(efx->phy_op->mmds & MDIO_DEVS_AN) &&
-	    (wanted_fc & EFX_FC_AUTO)) {
-		EFX_LOG(efx, "PHY does not support flow control "
-			"autonegotiation\n");
-		return -EINVAL;
+	if ((wanted_fc & EFX_FC_AUTO) && !efx->link_advertising) {
+		EFX_LOG(efx, "Autonegotiation is disabled\n");
+		rc = -EINVAL;
+		goto out;
 	}
 
 	/* TX flow control may automatically turn itself off if the
@@ -686,25 +694,38 @@ static int efx_ethtool_set_pauseparam(struct net_device *net_dev,
 	if (EFX_WORKAROUND_11482(efx) && reset) {
 		if (efx_nic_rev(efx) == EFX_REV_FALCON_B0) {
 			/* Recover by resetting the EM block */
-			if (efx->link_state.up)
-				falcon_drain_tx_fifo(efx);
+			falcon_stop_nic_stats(efx);
+			falcon_drain_tx_fifo(efx);
+			efx->mac_op->reconfigure(efx);
+			falcon_start_nic_stats(efx);
 		} else {
 			/* Schedule a reset to recover */
 			efx_schedule_reset(efx, RESET_TYPE_INVISIBLE);
 		}
 	}
 
-	/* Try to push the pause parameters */
-	mutex_lock(&efx->mac_lock);
+	old_adv = efx->link_advertising;
+	old_fc = efx->wanted_fc;
+	efx_link_set_wanted_fc(efx, wanted_fc);
+	if (efx->link_advertising != old_adv ||
+	    (efx->wanted_fc ^ old_fc) & EFX_FC_AUTO) {
+		rc = efx->phy_op->reconfigure(efx);
+		if (rc) {
+			EFX_ERR(efx, "Unable to advertise requested flow "
+				"control setting\n");
+			goto out;
+		}
+	}
 
-	efx->wanted_fc = wanted_fc;
-	if (efx->phy_op->mmds & MDIO_DEVS_AN)
-		mdio45_ethtool_spauseparam_an(&efx->mdio, pause);
-	__efx_reconfigure_port(efx);
+	/* Reconfigure the MAC. The PHY *may* generate a link state change event
+	 * if the user just changed the advertised capabilities, but there's no
+	 * harm doing this twice */
+	efx->mac_op->reconfigure(efx);
 
+out:
 	mutex_unlock(&efx->mac_lock);
 
-	return 0;
+	return rc;
 }
 
 static void efx_ethtool_get_pauseparam(struct net_device *net_dev,
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index f6d10213d0b..3466616c01c 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -1193,6 +1193,8 @@ static void falcon_poll_flush_events(struct efx_nic *efx)
 	channel->eventq_read_ptr = read_ptr;
 }
 
+static void falcon_deconfigure_mac_wrapper(struct efx_nic *efx);
+
 static void falcon_prepare_flush(struct efx_nic *efx)
 {
 	falcon_deconfigure_mac_wrapper(efx);
@@ -1836,9 +1838,10 @@ static void falcon_push_multicast_hash(struct efx_nic *efx)
 	efx_writeo(efx, &mc_hash->oword[1], FR_AB_MAC_MC_HASH_REG1);
 }
 
-static int falcon_reset_macs(struct efx_nic *efx)
+static void falcon_reset_macs(struct efx_nic *efx)
 {
-	efx_oword_t reg;
+	struct falcon_nic_data *nic_data = efx->nic_data;
+	efx_oword_t reg, mac_ctrl;
 	int count;
 
 	if (efx_nic_rev(efx) < EFX_REV_FALCON_B0) {
@@ -1853,7 +1856,7 @@ static int falcon_reset_macs(struct efx_nic *efx)
 			EFX_POPULATE_OWORD_1(reg, FRF_AB_GM_SW_RST, 0);
 			efx_writeo(efx, &reg, FR_AB_GM_CFG1);
 			udelay(1000);
-			return 0;
+			return;
 		} else {
 			EFX_POPULATE_OWORD_1(reg, FRF_AB_XM_CORE_RST, 1);
 			efx_writeo(efx, &reg, FR_AB_XM_GLB_CFG);
@@ -1862,22 +1865,20 @@ static int falcon_reset_macs(struct efx_nic *efx)
 				efx_reado(efx, &reg, FR_AB_XM_GLB_CFG);
 				if (EFX_OWORD_FIELD(reg, FRF_AB_XM_CORE_RST) ==
 				    0)
-					return 0;
+					return;
 				udelay(10);
 			}
 
 			EFX_ERR(efx, "timed out waiting for XMAC core reset\n");
-			return -ETIMEDOUT;
 		}
 	}
 
-	/* MAC stats will fail whilst the TX fifo is draining. Serialise
-	 * the drain sequence with the statistics fetch */
-	falcon_stop_nic_stats(efx);
+	/* Mac stats will fail whist the TX fifo is draining */
+	WARN_ON(nic_data->stats_disable_count == 0);
 
-	efx_reado(efx, &reg, FR_AB_MAC_CTRL);
-	EFX_SET_OWORD_FIELD(reg, FRF_BB_TXFIFO_DRAIN_EN, 1);
-	efx_writeo(efx, &reg, FR_AB_MAC_CTRL);
+	efx_reado(efx, &mac_ctrl, FR_AB_MAC_CTRL);
+	EFX_SET_OWORD_FIELD(mac_ctrl, FRF_BB_TXFIFO_DRAIN_EN, 1);
+	efx_writeo(efx, &mac_ctrl, FR_AB_MAC_CTRL);
 
 	efx_reado(efx, &reg, FR_AB_GLB_CTL);
 	EFX_SET_OWORD_FIELD(reg, FRF_AB_RST_XGTX, 1);
@@ -1903,14 +1904,9 @@ static int falcon_reset_macs(struct efx_nic *efx)
 		udelay(10);
 	}
 
-	/* If we've reset the EM block and the link is up, then
-	 * we'll have to kick the XAUI link so the PHY can recover */
-	if (efx->link_state.up && EFX_IS10G(efx) && EFX_WORKAROUND_5147(efx))
-		falcon_reset_xaui(efx);
-
-	falcon_start_nic_stats(efx);
-
-	return 0;
+	/* Ensure the correct MAC is selected before statistics
+	 * are re-enabled by the caller */
+	efx_writeo(efx, &mac_ctrl, FR_AB_MAC_CTRL);
 }
 
 void falcon_drain_tx_fifo(struct efx_nic *efx)
@@ -1929,7 +1925,7 @@ void falcon_drain_tx_fifo(struct efx_nic *efx)
 	falcon_reset_macs(efx);
 }
 
-void falcon_deconfigure_mac_wrapper(struct efx_nic *efx)
+static void falcon_deconfigure_mac_wrapper(struct efx_nic *efx)
 {
 	efx_oword_t reg;
 
@@ -1941,8 +1937,8 @@ void falcon_deconfigure_mac_wrapper(struct efx_nic *efx)
 	EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_INGR_EN, 0);
 	efx_writeo(efx, &reg, FR_AZ_RX_CFG);
 
-	if (!efx->link_state.up)
-		falcon_drain_tx_fifo(efx);
+	/* Isolate TX -> MAC */
+	falcon_drain_tx_fifo(efx);
 }
 
 void falcon_reconfigure_mac_wrapper(struct efx_nic *efx)
@@ -2044,6 +2040,8 @@ static void falcon_stats_timer_func(unsigned long context)
 	spin_unlock(&efx->stats_lock);
 }
 
+static void falcon_switch_mac(struct efx_nic *efx);
+
 static bool falcon_loopback_link_poll(struct efx_nic *efx)
 {
 	struct efx_link_state old_state = efx->link_state;
@@ -2063,6 +2061,38 @@ static bool falcon_loopback_link_poll(struct efx_nic *efx)
 	return !efx_link_state_equal(&efx->link_state, &old_state);
 }
 
+static int falcon_reconfigure_port(struct efx_nic *efx)
+{
+	int rc;
+
+	WARN_ON(efx_nic_rev(efx) > EFX_REV_FALCON_B0);
+
+	/* Poll the PHY link state *before* reconfiguring it. This means we
+	 * will pick up the correct speed (in loopback) to select the correct
+	 * MAC.
+	 */
+	if (LOOPBACK_INTERNAL(efx))
+		falcon_loopback_link_poll(efx);
+	else
+		efx->phy_op->poll(efx);
+
+	falcon_stop_nic_stats(efx);
+	falcon_deconfigure_mac_wrapper(efx);
+
+	falcon_switch_mac(efx);
+
+	efx->phy_op->reconfigure(efx);
+	rc = efx->mac_op->reconfigure(efx);
+	BUG_ON(rc);
+
+	falcon_start_nic_stats(efx);
+
+	/* Synchronise efx->link_state with the kernel */
+	efx_link_status_changed(efx);
+
+	return 0;
+}
+
 /**************************************************************************
  *
  * PHY access via GMII
@@ -2215,17 +2245,15 @@ static void falcon_clock_mac(struct efx_nic *efx)
 	}
 }
 
-int falcon_switch_mac(struct efx_nic *efx)
+static void falcon_switch_mac(struct efx_nic *efx)
 {
 	struct efx_mac_operations *old_mac_op = efx->mac_op;
 	struct falcon_nic_data *nic_data = efx->nic_data;
 	unsigned int stats_done_offset;
-	int rc = 0;
-
-	/* Don't try to fetch MAC stats while we're switching MACs */
-	falcon_stop_nic_stats(efx);
 
 	WARN_ON(!mutex_is_locked(&efx->mac_lock));
+	WARN_ON(nic_data->stats_disable_count == 0);
+
 	efx->mac_op = (EFX_IS10G(efx) ?
 		       &falcon_xmac_operations : &falcon_gmac_operations);
 
@@ -2236,18 +2264,14 @@ int falcon_switch_mac(struct efx_nic *efx)
 	nic_data->stats_dma_done = efx->stats_buffer.addr + stats_done_offset;
 
 	if (old_mac_op == efx->mac_op)
-		goto out;
+		return;
 
 	falcon_clock_mac(efx);
 
 	EFX_LOG(efx, "selected %cMAC\n", EFX_IS10G(efx) ? 'X' : 'G');
 	/* Not all macs support a mac-level link state */
 	efx->xmac_poll_required = false;
-
-	rc = falcon_reset_macs(efx);
-out:
-	falcon_start_nic_stats(efx);
-	return rc;
+	falcon_reset_macs(efx);
 }
 
 /* This call is responsible for hooking in the MAC and PHY operations */
@@ -2597,7 +2621,8 @@ static void falcon_monitor(struct efx_nic *efx)
 		EFX_ERR(efx, "Board sensor %s; shutting down PHY\n",
 			(rc == -ERANGE) ? "reported fault" : "failed");
 		efx->phy_mode |= PHY_MODE_LOW_POWER;
-		__efx_reconfigure_port(efx);
+		rc = __efx_reconfigure_port(efx);
+		WARN_ON(rc);
 	}
 
 	if (LOOPBACK_INTERNAL(efx))
@@ -2610,7 +2635,8 @@ static void falcon_monitor(struct efx_nic *efx)
 		falcon_deconfigure_mac_wrapper(efx);
 
 		falcon_switch_mac(efx);
-		efx->mac_op->reconfigure(efx);
+		rc = efx->mac_op->reconfigure(efx);
+		BUG_ON(rc);
 
 		falcon_start_nic_stats(efx);
 
@@ -3239,6 +3265,7 @@ struct efx_nic_type falcon_a1_nic_type = {
 	.stop_stats = falcon_stop_nic_stats,
 	.push_irq_moderation = falcon_push_irq_moderation,
 	.push_multicast_hash = falcon_push_multicast_hash,
+	.reconfigure_port = falcon_reconfigure_port,
 	.default_mac_ops = &falcon_xmac_operations,
 
 	.revision = EFX_REV_FALCON_A1,
@@ -3271,6 +3298,7 @@ struct efx_nic_type falcon_b0_nic_type = {
 	.stop_stats = falcon_stop_nic_stats,
 	.push_irq_moderation = falcon_push_irq_moderation,
 	.push_multicast_hash = falcon_push_multicast_hash,
+	.reconfigure_port = falcon_reconfigure_port,
 	.default_mac_ops = &falcon_xmac_operations,
 
 	.revision = EFX_REV_FALCON_B0,
diff --git a/drivers/net/sfc/falcon.h b/drivers/net/sfc/falcon.h
index 3fe64849c98..560a3f9895a 100644
--- a/drivers/net/sfc/falcon.h
+++ b/drivers/net/sfc/falcon.h
@@ -130,10 +130,7 @@ extern int falcon_process_eventq(struct efx_channel *channel, int rx_quota);
 extern void falcon_eventq_read_ack(struct efx_channel *channel);
 
 /* MAC/PHY */
-extern int falcon_switch_mac(struct efx_nic *efx);
-extern bool falcon_xaui_link_ok(struct efx_nic *efx);
 extern void falcon_drain_tx_fifo(struct efx_nic *efx);
-extern void falcon_deconfigure_mac_wrapper(struct efx_nic *efx);
 extern void falcon_reconfigure_mac_wrapper(struct efx_nic *efx);
 
 /* Interrupts and test events */
diff --git a/drivers/net/sfc/falcon_boards.c b/drivers/net/sfc/falcon_boards.c
index da750959c61..b92decc9521 100644
--- a/drivers/net/sfc/falcon_boards.c
+++ b/drivers/net/sfc/falcon_boards.c
@@ -352,7 +352,8 @@ static ssize_t set_phy_flash_cfg(struct device *dev,
 			err = sfe4001_poweron(efx);
 		else
 			err = sfn4111t_reset(efx);
-		efx_reconfigure_port(efx);
+		if (!err)
+			err = efx_reconfigure_port(efx);
 		if (!(new_mode & PHY_MODE_SPECIAL))
 			falcon_start_nic_stats(efx);
 	}
diff --git a/drivers/net/sfc/falcon_gmac.c b/drivers/net/sfc/falcon_gmac.c
index 66d499cc23f..19dd3ac3d1c 100644
--- a/drivers/net/sfc/falcon_gmac.c
+++ b/drivers/net/sfc/falcon_gmac.c
@@ -22,7 +22,7 @@
  *
  *************************************************************************/
 
-static void falcon_reconfigure_gmac(struct efx_nic *efx)
+static int falcon_reconfigure_gmac(struct efx_nic *efx)
 {
 	struct efx_link_state *link_state = &efx->link_state;
 	bool loopback, tx_fc, rx_fc, bytemode;
@@ -123,6 +123,8 @@ static void falcon_reconfigure_gmac(struct efx_nic *efx)
 	udelay(10);
 
 	falcon_reconfigure_mac_wrapper(efx);
+
+	return 0;
 }
 
 static void falcon_update_stats_gmac(struct efx_nic *efx)
diff --git a/drivers/net/sfc/falcon_xmac.c b/drivers/net/sfc/falcon_xmac.c
index 60dc0975cfa..898afc1b5ef 100644
--- a/drivers/net/sfc/falcon_xmac.c
+++ b/drivers/net/sfc/falcon_xmac.c
@@ -112,7 +112,7 @@ static void falcon_mask_status_intr(struct efx_nic *efx, bool enable)
 }
 
 /* Get status of XAUI link */
-bool falcon_xaui_link_ok(struct efx_nic *efx)
+static bool falcon_xaui_link_ok(struct efx_nic *efx)
 {
 	efx_oword_t reg;
 	bool align_done, link_ok = false;
@@ -143,7 +143,7 @@ bool falcon_xaui_link_ok(struct efx_nic *efx)
 	return link_ok;
 }
 
-static void falcon_reconfigure_xmac_core(struct efx_nic *efx)
+void falcon_reconfigure_xmac_core(struct efx_nic *efx)
 {
 	unsigned int max_frame_len;
 	efx_oword_t reg;
@@ -275,7 +275,7 @@ static bool falcon_xmac_check_fault(struct efx_nic *efx)
 	return !falcon_check_xaui_link_up(efx, 5);
 }
 
-static void falcon_reconfigure_xmac(struct efx_nic *efx)
+static int falcon_reconfigure_xmac(struct efx_nic *efx)
 {
 	falcon_mask_status_intr(efx, false);
 
@@ -286,6 +286,8 @@ static void falcon_reconfigure_xmac(struct efx_nic *efx)
 
 	efx->xmac_poll_required = !falcon_check_xaui_link_up(efx, 5);
 	falcon_mask_status_intr(efx, true);
+
+	return 0;
 }
 
 static void falcon_update_stats_xmac(struct efx_nic *efx)
diff --git a/drivers/net/sfc/mac.h b/drivers/net/sfc/mac.h
index 4e7074278fe..d2af50f1747 100644
--- a/drivers/net/sfc/mac.h
+++ b/drivers/net/sfc/mac.h
@@ -15,5 +15,6 @@
 
 extern struct efx_mac_operations falcon_gmac_operations;
 extern struct efx_mac_operations falcon_xmac_operations;
+extern void falcon_reconfigure_xmac_core(struct efx_nic *efx);
 
 #endif
diff --git a/drivers/net/sfc/mdio_10g.c b/drivers/net/sfc/mdio_10g.c
index 231e580acc9..1f62a5c002f 100644
--- a/drivers/net/sfc/mdio_10g.c
+++ b/drivers/net/sfc/mdio_10g.c
@@ -248,8 +248,6 @@ void efx_mdio_set_mmds_lpower(struct efx_nic *efx,
 int efx_mdio_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
 {
 	struct ethtool_cmd prev;
-	bool xnp;
-	int reg;
 
 	efx->phy_op->get_settings(efx, &prev);
 
@@ -269,30 +267,47 @@ int efx_mdio_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
 	    (ecmd->advertising | SUPPORTED_Autoneg) & ~prev.supported)
 		return -EINVAL;
 
-	xnp = (ecmd->advertising & ADVERTISED_10000baseT_Full
-	       || EFX_WORKAROUND_13204(efx));
+	efx_link_set_advertising(efx, ecmd->advertising | ADVERTISED_Autoneg);
+	efx_mdio_an_reconfigure(efx);
+	return 0;
+}
+
+/**
+ * efx_mdio_an_reconfigure - Push advertising flags and restart autonegotiation
+ * @efx:		Efx NIC
+ */
+void efx_mdio_an_reconfigure(struct efx_nic *efx)
+{
+	bool xnp = (efx->link_advertising & ADVERTISED_10000baseT_Full
+		    || EFX_WORKAROUND_13204(efx));
+	int reg;
+
+	WARN_ON(!(efx->mdio.mmds & MDIO_DEVS_AN));
 
 	/* Set up the base page */
 	reg = ADVERTISE_CSMA;
-	if (ecmd->advertising & ADVERTISED_10baseT_Half)
+	if (efx->link_advertising & ADVERTISED_10baseT_Half)
 		reg |= ADVERTISE_10HALF;
-	if (ecmd->advertising & ADVERTISED_10baseT_Full)
+	if (efx->link_advertising & ADVERTISED_10baseT_Full)
 		reg |= ADVERTISE_10FULL;
-	if (ecmd->advertising & ADVERTISED_100baseT_Half)
+	if (efx->link_advertising & ADVERTISED_100baseT_Half)
 		reg |= ADVERTISE_100HALF;
-	if (ecmd->advertising & ADVERTISED_100baseT_Full)
+	if (efx->link_advertising & ADVERTISED_100baseT_Full)
 		reg |= ADVERTISE_100FULL;
 	if (xnp)
 		reg |= ADVERTISE_RESV;
-	else if (ecmd->advertising & (ADVERTISED_1000baseT_Half |
-				      ADVERTISED_1000baseT_Full))
+	else if (efx->link_advertising & (ADVERTISED_1000baseT_Half |
+					  ADVERTISED_1000baseT_Full))
 		reg |= ADVERTISE_NPAGE;
-	reg |= mii_advertise_flowctrl(efx->wanted_fc);
+	if (efx->link_advertising & ADVERTISED_Pause)
+		reg |= ADVERTISE_PAUSE_CAP;
+	if (efx->link_advertising & ADVERTISED_Asym_Pause)
+		reg |= ADVERTISE_PAUSE_ASYM;
 	efx_mdio_write(efx, MDIO_MMD_AN, MDIO_AN_ADVERTISE, reg);
 
 	/* Set up the (extended) next page if necessary */
 	if (efx->phy_op->set_npage_adv)
-		efx->phy_op->set_npage_adv(efx, ecmd->advertising);
+		efx->phy_op->set_npage_adv(efx, efx->link_advertising);
 
 	/* Enable and restart AN */
 	reg = efx_mdio_read(efx, MDIO_MMD_AN, MDIO_CTRL1);
@@ -305,8 +320,6 @@ int efx_mdio_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
 	else
 		reg &= ~MDIO_AN_CTRL1_XNP;
 	efx_mdio_write(efx, MDIO_MMD_AN, MDIO_CTRL1, reg);
-
-	return 0;
 }
 
 enum efx_fc_type efx_mdio_get_pause(struct efx_nic *efx)
diff --git a/drivers/net/sfc/mdio_10g.h b/drivers/net/sfc/mdio_10g.h
index 75b37f10123..dbc8e7de292 100644
--- a/drivers/net/sfc/mdio_10g.h
+++ b/drivers/net/sfc/mdio_10g.h
@@ -86,6 +86,9 @@ extern void efx_mdio_set_mmds_lpower(struct efx_nic *efx,
 /* Set (some of) the PHY settings over MDIO */
 extern int efx_mdio_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd);
 
+/* Push advertising flags and restart autonegotiation */
+extern void efx_mdio_an_reconfigure(struct efx_nic *efx);
+
 /* Get pause parameters from AN if available (otherwise return
  * requested pause parameters)
  */
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index 32806f9a7e4..f63a05c4e38 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -517,7 +517,7 @@ static inline bool efx_link_state_equal(const struct efx_link_state *left,
  * @check_fault: Check fault state. True if fault present.
  */
 struct efx_mac_operations {
-	void (*reconfigure) (struct efx_nic *efx);
+	int (*reconfigure) (struct efx_nic *efx);
 	void (*update_stats) (struct efx_nic *efx);
 	bool (*check_fault)(struct efx_nic *efx);
 };
@@ -544,7 +544,7 @@ struct efx_phy_operations {
 	enum efx_mac_type macs;
 	int (*init) (struct efx_nic *efx);
 	void (*fini) (struct efx_nic *efx);
-	void (*reconfigure) (struct efx_nic *efx);
+	int (*reconfigure) (struct efx_nic *efx);
 	bool (*poll) (struct efx_nic *efx);
 	void (*get_settings) (struct efx_nic *efx,
 			      struct ethtool_cmd *ecmd);
@@ -730,6 +730,7 @@ union efx_multicast_hash {
  * @mdio: PHY MDIO interface
  * @phy_mode: PHY operating mode. Serialised by @mac_lock.
  * @xmac_poll_required: XMAC link state needs polling
+ * @link_advertising: Autonegotiation advertising flags
  * @link_state: Current state of the link
  * @n_link_state_changes: Number of times the link has changed state
  * @promiscuous: Promiscuous flag. Protected by netif_tx_lock.
@@ -813,6 +814,7 @@ struct efx_nic {
 	enum efx_phy_mode phy_mode;
 
 	bool xmac_poll_required;
+	u32 link_advertising;
 	struct efx_link_state link_state;
 	unsigned int n_link_state_changes;
 
@@ -858,6 +860,7 @@ static inline const char *efx_dev_name(struct efx_nic *efx)
  * @stop_stats: Stop the regular fetching of statistics
  * @push_irq_moderation: Apply interrupt moderation value
  * @push_multicast_hash: Apply multicast hash table
+ * @reconfigure_port: Push loopback/power/txdis changes to the MAC and PHY
  * @default_mac_ops: efx_mac_operations to set at startup
  * @revision: Hardware architecture revision
  * @mem_map_size: Memory BAR mapped size
@@ -890,6 +893,7 @@ struct efx_nic_type {
 	void (*stop_stats)(struct efx_nic *efx);
 	void (*push_irq_moderation)(struct efx_channel *channel);
 	void (*push_multicast_hash)(struct efx_nic *efx);
+	int (*reconfigure_port)(struct efx_nic *efx);
 	struct efx_mac_operations *default_mac_ops;
 
 	int revision;
diff --git a/drivers/net/sfc/qt202x_phy.c b/drivers/net/sfc/qt202x_phy.c
index 3d7370e3978..4c38516a552 100644
--- a/drivers/net/sfc/qt202x_phy.c
+++ b/drivers/net/sfc/qt202x_phy.c
@@ -178,7 +178,7 @@ static bool qt202x_phy_poll(struct efx_nic *efx)
 	return efx->link_state.up != was_up;
 }
 
-static void qt202x_phy_reconfigure(struct efx_nic *efx)
+static int qt202x_phy_reconfigure(struct efx_nic *efx)
 {
 	struct qt202x_phy_data *phy_data = efx->phy_data;
 
@@ -207,6 +207,8 @@ static void qt202x_phy_reconfigure(struct efx_nic *efx)
 	efx_mdio_phy_reconfigure(efx);
 
 	phy_data->phy_mode = efx->phy_mode;
+
+	return 0;
 }
 
 static void qt202x_phy_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c
index 15d4d9c8136..dddeb9dfb37 100644
--- a/drivers/net/sfc/selftest.c
+++ b/drivers/net/sfc/selftest.c
@@ -659,7 +659,6 @@ int efx_selftest(struct efx_nic *efx, struct efx_self_tests *tests,
 	enum efx_loopback_mode loopback_mode = efx->loopback_mode;
 	int phy_mode = efx->phy_mode;
 	enum reset_type reset_method = RESET_TYPE_INVISIBLE;
-	struct ethtool_cmd ecmd;
 	struct efx_channel *channel;
 	int rc_test = 0, rc_reset = 0, rc;
 
@@ -712,7 +711,7 @@ int efx_selftest(struct efx_nic *efx, struct efx_self_tests *tests,
 	mutex_unlock(&efx->mac_lock);
 
 	/* free up all consumers of SRAM (including all the queues) */
-	efx_reset_down(efx, reset_method, &ecmd);
+	efx_reset_down(efx, reset_method);
 
 	rc = efx_test_chip(efx, tests);
 	if (rc && !rc_test)
@@ -726,7 +725,7 @@ int efx_selftest(struct efx_nic *efx, struct efx_self_tests *tests,
 	efx->phy_mode &= ~PHY_MODE_LOW_POWER;
 	efx->loopback_mode = LOOPBACK_NONE;
 
-	rc = efx_reset_up(efx, reset_method, &ecmd, rc_reset == 0);
+	rc = efx_reset_up(efx, reset_method, rc_reset == 0);
 	if (rc && !rc_reset)
 		rc_reset = rc;
 
@@ -745,10 +744,12 @@ int efx_selftest(struct efx_nic *efx, struct efx_self_tests *tests,
 		rc_test = rc;
 
 	/* restore the PHY to the previous state */
-	efx->loopback_mode = loopback_mode;
+	mutex_lock(&efx->mac_lock);
 	efx->phy_mode = phy_mode;
 	efx->port_inhibited = false;
-	efx_ethtool_set_settings(efx->net_dev, &ecmd);
+	efx->loopback_mode = loopback_mode;
+	__efx_reconfigure_port(efx);
+	mutex_unlock(&efx->mac_lock);
 
 	return rc_test;
 }
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c
index 1bd79650a00..c30185393cd 100644
--- a/drivers/net/sfc/tenxpress.c
+++ b/drivers/net/sfc/tenxpress.c
@@ -199,15 +199,16 @@ static ssize_t set_phy_short_reach(struct device *dev,
 				   const char *buf, size_t count)
 {
 	struct efx_nic *efx = pci_get_drvdata(to_pci_dev(dev));
+	int rc;
 
 	rtnl_lock();
 	efx_mdio_set_flag(efx, MDIO_MMD_PMAPMD, MDIO_PMA_10GBT_TXPWR,
 			  MDIO_PMA_10GBT_TXPWR_SHORT,
 			  count != 0 && *buf != '0');
-	efx_reconfigure_port(efx);
+	rc = efx_reconfigure_port(efx);
 	rtnl_unlock();
 
-	return count;
+	return rc < 0 ? rc : (ssize_t)count;
 }
 
 static DEVICE_ATTR(phy_short_reach, 0644, show_phy_short_reach,
@@ -300,7 +301,6 @@ static int tenxpress_init(struct efx_nic *efx)
 static int tenxpress_phy_init(struct efx_nic *efx)
 {
 	struct tenxpress_phy_data *phy_data;
-	u16 old_adv, adv;
 	int rc = 0;
 
 	falcon_board(efx)->type->init_phy(efx);
@@ -335,14 +335,14 @@ static int tenxpress_phy_init(struct efx_nic *efx)
 	if (rc < 0)
 		goto fail;
 
-	/* Set pause advertising */
-	old_adv = efx_mdio_read(efx, MDIO_MMD_AN, MDIO_AN_ADVERTISE);
-	adv = ((old_adv & ~(ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM)) |
-	       mii_advertise_flowctrl(efx->wanted_fc));
-	if (adv != old_adv) {
-		efx_mdio_write(efx, MDIO_MMD_AN, MDIO_AN_ADVERTISE, adv);
-		mdio45_nway_restart(&efx->mdio);
-	}
+	/* Initialise advertising flags */
+	efx->link_advertising = (ADVERTISED_TP | ADVERTISED_Autoneg |
+				  ADVERTISED_10000baseT_Full);
+	if (efx->phy_type != PHY_TYPE_SFX7101)
+		efx->link_advertising |= (ADVERTISED_1000baseT_Full |
+					   ADVERTISED_100baseT_Full);
+	efx_link_set_wanted_fc(efx, efx->wanted_fc);
+	efx_mdio_an_reconfigure(efx);
 
 	if (efx->phy_type == PHY_TYPE_SFT9001B) {
 		rc = device_create_file(&efx->pci_dev->dev,
@@ -500,49 +500,41 @@ static void tenxpress_low_power(struct efx_nic *efx)
 			!!(efx->phy_mode & PHY_MODE_LOW_POWER));
 }
 
-static void tenxpress_phy_reconfigure(struct efx_nic *efx)
+static int tenxpress_phy_reconfigure(struct efx_nic *efx)
 {
 	struct tenxpress_phy_data *phy_data = efx->phy_data;
-	struct ethtool_cmd ecmd;
 	bool phy_mode_change, loop_reset;
 
 	if (efx->phy_mode & (PHY_MODE_OFF | PHY_MODE_SPECIAL)) {
 		phy_data->phy_mode = efx->phy_mode;
-		return;
+		return 0;
 	}
 
-	tenxpress_low_power(efx);
-
 	phy_mode_change = (efx->phy_mode == PHY_MODE_NORMAL &&
 			   phy_data->phy_mode != PHY_MODE_NORMAL);
 	loop_reset = (LOOPBACK_OUT_OF(phy_data, efx, efx->phy_op->loopbacks) ||
 		      LOOPBACK_CHANGED(phy_data, efx, 1 << LOOPBACK_GPHY));
 
 	if (loop_reset || phy_mode_change) {
-		int rc;
-
-		efx->phy_op->get_settings(efx, &ecmd);
+		tenxpress_special_reset(efx);
 
-		if (loop_reset || phy_mode_change) {
-			tenxpress_special_reset(efx);
-
-			/* Reset XAUI if we were in 10G, and are staying
-			 * in 10G. If we're moving into and out of 10G
-			 * then xaui will be reset anyway */
-			if (EFX_IS10G(efx))
-				falcon_reset_xaui(efx);
-		}
-
-		rc = efx->phy_op->set_settings(efx, &ecmd);
-		WARN_ON(rc);
+		/* Reset XAUI if we were in 10G, and are staying
+		 * in 10G. If we're moving into and out of 10G
+		 * then xaui will be reset anyway */
+		if (EFX_IS10G(efx))
+			falcon_reset_xaui(efx);
 	}
 
+	tenxpress_low_power(efx);
 	efx_mdio_transmit_disable(efx);
 	efx_mdio_phy_reconfigure(efx);
 	tenxpress_ext_loopback(efx);
+	efx_mdio_an_reconfigure(efx);
 
 	phy_data->loopback_mode = efx->loopback_mode;
 	phy_data->phy_mode = efx->phy_mode;
+
+	return 0;
 }
 
 static void
@@ -646,6 +638,9 @@ sfx7101_run_tests(struct efx_nic *efx, int *results, unsigned flags)
 	/* BIST is automatically run after a special software reset */
 	rc = tenxpress_special_reset(efx);
 	results[0] = rc ? -1 : 1;
+
+	efx_mdio_an_reconfigure(efx);
+
 	return rc;
 }
 
@@ -663,12 +658,8 @@ static const char *const sft9001_test_names[] = {
 
 static int sft9001_run_tests(struct efx_nic *efx, int *results, unsigned flags)
 {
-	struct ethtool_cmd ecmd;
 	int rc = 0, rc2, i, ctrl_reg, res_reg;
 
-	if (flags & ETH_TEST_FL_OFFLINE)
-		efx->phy_op->get_settings(efx, &ecmd);
-
 	/* Initialise cable diagnostic results to unknown failure */
 	for (i = 1; i < 9; ++i)
 		results[i] = -1;
@@ -720,9 +711,7 @@ out:
 		if (!rc)
 			rc = rc2;
 
-		rc2 = efx->phy_op->set_settings(efx, &ecmd);
-		if (!rc)
-			rc = rc2;
+		efx_mdio_an_reconfigure(efx);
 	}
 
 	return rc;
@@ -753,7 +742,6 @@ tenxpress_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
 
 	mdio45_ethtool_gset_npage(&efx->mdio, ecmd, adv, lpa);
 
-	ecmd->supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause;
 	if (efx->phy_type != PHY_TYPE_SFX7101) {
 		ecmd->supported |= (SUPPORTED_100baseT_Full |
 				    SUPPORTED_1000baseT_Full);
-- 
GitLab


From 78c1f0a06551f6ff61bfd7c1a9302115a8135a62 Mon Sep 17 00:00:00 2001
From: Steve Hodgson <shodgson@solarflare.com>
Date: Sun, 29 Nov 2009 03:43:00 +0000
Subject: [PATCH 1630/1815] sfc: Generalise link state monitoring

Use the efx_nic_type::monitor operation or event handling as
appropriate.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c      | 16 +++++++-
 drivers/net/sfc/selftest.c | 79 +++++++++++++++++++++++---------------
 2 files changed, 61 insertions(+), 34 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 4210121eeff..14ef27fa841 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -1174,10 +1174,18 @@ static void efx_start_all(struct efx_nic *efx)
 
 	falcon_enable_interrupts(efx);
 
-	/* Start the hardware monitor (if there is one) if we're in RUNNING */
-	if (efx->state == STATE_RUNNING && efx->type->monitor != NULL)
+	/* Start the hardware monitor if there is one. Otherwise (we're link
+	 * event driven), we have to poll the PHY because after an event queue
+	 * flush, we could have a missed a link state change */
+	if (efx->type->monitor != NULL) {
 		queue_delayed_work(efx->workqueue, &efx->monitor_work,
 				   efx_monitor_interval);
+	} else {
+		mutex_lock(&efx->mac_lock);
+		if (efx->phy_op->poll(efx))
+			efx_link_status_changed(efx);
+		mutex_unlock(&efx->mac_lock);
+	}
 
 	efx->type->start_stats(efx);
 }
@@ -1421,6 +1429,10 @@ static int efx_net_open(struct net_device *net_dev)
 	if (efx->phy_mode & PHY_MODE_SPECIAL)
 		return -EBUSY;
 
+	/* Notify the kernel of the link state polled during driver load,
+	 * before the monitor starts running */
+	efx_link_status_changed(efx);
+
 	efx_start_all(efx);
 	return 0;
 }
diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c
index dddeb9dfb37..f45bf744215 100644
--- a/drivers/net/sfc/selftest.c
+++ b/drivers/net/sfc/selftest.c
@@ -563,14 +563,49 @@ efx_test_loopback(struct efx_tx_queue *tx_queue,
 	return 0;
 }
 
+/* Wait for link up. On Falcon, we would prefer to rely on efx_monitor, but
+ * any contention on the mac lock (via e.g. efx_mac_mcast_work) causes it
+ * to delay and retry. Therefore, it's safer to just poll directly. Wait
+ * for link up and any faults to dissipate. */
+static int efx_wait_for_link(struct efx_nic *efx)
+{
+	struct efx_link_state *link_state = &efx->link_state;
+	int count;
+	bool link_up;
+
+	for (count = 0; count < 40; count++) {
+		schedule_timeout_uninterruptible(HZ / 10);
+
+		if (efx->type->monitor != NULL) {
+			mutex_lock(&efx->mac_lock);
+			efx->type->monitor(efx);
+			mutex_unlock(&efx->mac_lock);
+		} else {
+			struct efx_channel *channel = &efx->channel[0];
+			if (channel->work_pending)
+				efx_process_channel_now(channel);
+		}
+
+		mutex_lock(&efx->mac_lock);
+		link_up = link_state->up;
+		if (link_up)
+			link_up = !efx->mac_op->check_fault(efx);
+		mutex_unlock(&efx->mac_lock);
+
+		if (link_up)
+			return 0;
+	}
+
+	return -ETIMEDOUT;
+}
+
 static int efx_test_loopbacks(struct efx_nic *efx, struct efx_self_tests *tests,
 			      unsigned int loopback_modes)
 {
 	enum efx_loopback_mode mode;
 	struct efx_loopback_state *state;
 	struct efx_tx_queue *tx_queue;
-	bool link_up;
-	int count, rc = 0;
+	int rc = 0;
 
 	/* Set the port loopback_selftest member. From this point on
 	 * all received packets will be dropped. Mark the state as
@@ -589,43 +624,23 @@ static int efx_test_loopbacks(struct efx_nic *efx, struct efx_self_tests *tests,
 
 		/* Move the port into the specified loopback mode. */
 		state->flush = true;
+		mutex_lock(&efx->mac_lock);
 		efx->loopback_mode = mode;
-		efx_reconfigure_port(efx);
-
-		/* Wait for the PHY to signal the link is up. Interrupts
-		 * are enabled for PHY's using LASI, otherwise we poll()
-		 * quickly */
-		count = 0;
-		do {
-			struct efx_channel *channel = &efx->channel[0];
-
-			efx->phy_op->poll(efx);
-			schedule_timeout_uninterruptible(HZ / 10);
-			if (channel->work_pending)
-				efx_process_channel_now(channel);
-			/* Wait for PHY events to be processed */
-			flush_workqueue(efx->workqueue);
-			rmb();
-
-			/* We need both the PHY and MAC-PHY links to be OK */
-			link_up = efx->link_state.up;
-			if (link_up)
-				link_up = !efx->mac_op->check_fault(efx);
-
-		} while ((++count < 20) && !link_up);
+		rc = __efx_reconfigure_port(efx);
+		mutex_unlock(&efx->mac_lock);
+		if (rc) {
+			EFX_ERR(efx, "unable to move into %s loopback\n",
+				LOOPBACK_MODE(efx));
+			goto out;
+		}
 
-		/* The link should now be up. If it isn't, there is no point
-		 * in attempting a loopback test */
-		if (!link_up) {
+		rc = efx_wait_for_link(efx);
+		if (rc) {
 			EFX_ERR(efx, "loopback %s never came up\n",
 				LOOPBACK_MODE(efx));
-			rc = -EIO;
 			goto out;
 		}
 
-		EFX_LOG(efx, "link came up in %s loopback in %d iterations\n",
-			LOOPBACK_MODE(efx), count);
-
 		/* Test every TX queue */
 		efx_for_each_tx_queue(tx_queue, efx) {
 			state->offload_csum = (tx_queue->queue ==
-- 
GitLab


From 89c758fa47b54d8ce10d2b39ed09de6da0ba4324 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Sun, 29 Nov 2009 03:43:07 +0000
Subject: [PATCH 1631/1815] sfc: Add power-management and wake-on-LAN support

Wake-on-LAN is a stub for Falcon, but will be implemented fully for
new NICs.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c        | 96 ++++++++++++++++++++++++++++++++++++
 drivers/net/sfc/ethtool.c    | 17 +++++++
 drivers/net/sfc/falcon.c     | 27 ++++++++++
 drivers/net/sfc/net_driver.h |  6 +++
 4 files changed, 146 insertions(+)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 14ef27fa841..b016719d8f6 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -2243,11 +2243,107 @@ static int __devinit efx_pci_probe(struct pci_dev *pci_dev,
 	return rc;
 }
 
+static int efx_pm_freeze(struct device *dev)
+{
+	struct efx_nic *efx = pci_get_drvdata(to_pci_dev(dev));
+
+	efx->state = STATE_FINI;
+
+	netif_device_detach(efx->net_dev);
+
+	efx_stop_all(efx);
+	efx_fini_channels(efx);
+
+	return 0;
+}
+
+static int efx_pm_thaw(struct device *dev)
+{
+	struct efx_nic *efx = pci_get_drvdata(to_pci_dev(dev));
+
+	efx->state = STATE_INIT;
+
+	efx_init_channels(efx);
+
+	mutex_lock(&efx->mac_lock);
+	efx->phy_op->reconfigure(efx);
+	mutex_unlock(&efx->mac_lock);
+
+	efx_start_all(efx);
+
+	netif_device_attach(efx->net_dev);
+
+	efx->state = STATE_RUNNING;
+
+	efx->type->resume_wol(efx);
+
+	return 0;
+}
+
+static int efx_pm_poweroff(struct device *dev)
+{
+	struct pci_dev *pci_dev = to_pci_dev(dev);
+	struct efx_nic *efx = pci_get_drvdata(pci_dev);
+
+	efx->type->fini(efx);
+
+	efx->reset_pending = RESET_TYPE_NONE;
+
+	pci_save_state(pci_dev);
+	return pci_set_power_state(pci_dev, PCI_D3hot);
+}
+
+/* Used for both resume and restore */
+static int efx_pm_resume(struct device *dev)
+{
+	struct pci_dev *pci_dev = to_pci_dev(dev);
+	struct efx_nic *efx = pci_get_drvdata(pci_dev);
+	int rc;
+
+	rc = pci_set_power_state(pci_dev, PCI_D0);
+	if (rc)
+		return rc;
+	pci_restore_state(pci_dev);
+	rc = pci_enable_device(pci_dev);
+	if (rc)
+		return rc;
+	pci_set_master(efx->pci_dev);
+	rc = efx->type->reset(efx, RESET_TYPE_ALL);
+	if (rc)
+		return rc;
+	rc = efx->type->init(efx);
+	if (rc)
+		return rc;
+	efx_pm_thaw(dev);
+	return 0;
+}
+
+static int efx_pm_suspend(struct device *dev)
+{
+	int rc;
+
+	efx_pm_freeze(dev);
+	rc = efx_pm_poweroff(dev);
+	if (rc)
+		efx_pm_resume(dev);
+	return rc;
+}
+
+static struct dev_pm_ops efx_pm_ops = {
+	.suspend	= efx_pm_suspend,
+	.resume		= efx_pm_resume,
+	.freeze		= efx_pm_freeze,
+	.thaw		= efx_pm_thaw,
+	.poweroff	= efx_pm_poweroff,
+	.restore	= efx_pm_resume,
+};
+
 static struct pci_driver efx_pci_driver = {
 	.name		= EFX_DRIVER_NAME,
 	.id_table	= efx_pci_table,
 	.probe		= efx_pci_probe,
 	.remove		= efx_pci_remove,
+	.driver.pm	= &efx_pm_ops,
 };
 
 /**************************************************************************
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index d95d0fa399f..b4c6ea1b9c0 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -739,6 +739,21 @@ static void efx_ethtool_get_pauseparam(struct net_device *net_dev,
 }
 
 
+static void efx_ethtool_get_wol(struct net_device *net_dev,
+				struct ethtool_wolinfo *wol)
+{
+	struct efx_nic *efx = netdev_priv(net_dev);
+	return efx->type->get_wol(efx, wol);
+}
+
+
+static int efx_ethtool_set_wol(struct net_device *net_dev,
+			       struct ethtool_wolinfo *wol)
+{
+	struct efx_nic *efx = netdev_priv(net_dev);
+	return efx->type->set_wol(efx, wol->wolopts);
+}
+
 const struct ethtool_ops efx_ethtool_ops = {
 	.get_settings		= efx_ethtool_get_settings,
 	.set_settings		= efx_ethtool_set_settings,
@@ -767,4 +782,6 @@ const struct ethtool_ops efx_ethtool_ops = {
 	.get_strings		= efx_ethtool_get_strings,
 	.phys_id		= efx_ethtool_phys_id,
 	.get_ethtool_stats	= efx_ethtool_get_stats,
+	.get_wol                = efx_ethtool_get_wol,
+	.set_wol                = efx_ethtool_set_wol,
 };
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 3466616c01c..8f2c5830553 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -3243,6 +3243,27 @@ void falcon_stop_nic_stats(struct efx_nic *efx)
 	spin_unlock_bh(&efx->stats_lock);
 }
 
+/**************************************************************************
+ *
+ * Wake on LAN
+ *
+ **************************************************************************
+ */
+
+static void falcon_get_wol(struct efx_nic *efx, struct ethtool_wolinfo *wol)
+{
+	wol->supported = 0;
+	wol->wolopts = 0;
+	memset(&wol->sopass, 0, sizeof(wol->sopass));
+}
+
+static int falcon_set_wol(struct efx_nic *efx, u32 type)
+{
+	if (type != 0)
+		return -EINVAL;
+	return 0;
+}
+
 /**************************************************************************
  *
  * Revision-dependent attributes used by efx.c
@@ -3266,6 +3287,9 @@ struct efx_nic_type falcon_a1_nic_type = {
 	.push_irq_moderation = falcon_push_irq_moderation,
 	.push_multicast_hash = falcon_push_multicast_hash,
 	.reconfigure_port = falcon_reconfigure_port,
+	.get_wol = falcon_get_wol,
+	.set_wol = falcon_set_wol,
+	.resume_wol = efx_port_dummy_op_void,
 	.default_mac_ops = &falcon_xmac_operations,
 
 	.revision = EFX_REV_FALCON_A1,
@@ -3299,6 +3323,9 @@ struct efx_nic_type falcon_b0_nic_type = {
 	.push_irq_moderation = falcon_push_irq_moderation,
 	.push_multicast_hash = falcon_push_multicast_hash,
 	.reconfigure_port = falcon_reconfigure_port,
+	.get_wol = falcon_get_wol,
+	.set_wol = falcon_set_wol,
+	.resume_wol = efx_port_dummy_op_void,
 	.default_mac_ops = &falcon_xmac_operations,
 
 	.revision = EFX_REV_FALCON_B0,
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index f63a05c4e38..a9fde82aeea 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -861,6 +861,9 @@ static inline const char *efx_dev_name(struct efx_nic *efx)
  * @push_irq_moderation: Apply interrupt moderation value
  * @push_multicast_hash: Apply multicast hash table
  * @reconfigure_port: Push loopback/power/txdis changes to the MAC and PHY
+ * @get_wol: Get WoL configuration from driver state
+ * @set_wol: Push WoL configuration to the NIC
+ * @resume_wol: Synchronise WoL state between driver and MC (e.g. after resume)
  * @default_mac_ops: efx_mac_operations to set at startup
  * @revision: Hardware architecture revision
  * @mem_map_size: Memory BAR mapped size
@@ -894,6 +897,9 @@ struct efx_nic_type {
 	void (*push_irq_moderation)(struct efx_channel *channel);
 	void (*push_multicast_hash)(struct efx_nic *efx);
 	int (*reconfigure_port)(struct efx_nic *efx);
+	void (*get_wol)(struct efx_nic *efx, struct ethtool_wolinfo *wol);
+	int (*set_wol)(struct efx_nic *efx, u32 type);
+	void (*resume_wol)(struct efx_nic *efx);
 	struct efx_mac_operations *default_mac_ops;
 
 	int revision;
-- 
GitLab


From eb9f6744cbfa97674c13263802259b5aa0034594 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Sun, 29 Nov 2009 03:43:15 +0000
Subject: [PATCH 1632/1815] sfc: Implement ethtool reset operation

Refactor efx_reset_down() and efx_reset_up() accordingly.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c        | 98 ++++++++++++++++++------------------
 drivers/net/sfc/efx.h        |  1 +
 drivers/net/sfc/ethtool.c    | 30 +++++++++++
 drivers/net/sfc/falcon.c     |  2 +
 drivers/net/sfc/net_driver.h |  3 ++
 5 files changed, 84 insertions(+), 50 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index b016719d8f6..4b7168fc546 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -1754,58 +1754,49 @@ int efx_reset_up(struct efx_nic *efx, enum reset_type method, bool ok)
 	rc = efx->type->init(efx);
 	if (rc) {
 		EFX_ERR(efx, "failed to initialise NIC\n");
-		ok = false;
+		goto fail;
 	}
 
+	if (!ok)
+		goto fail;
+
 	if (efx->port_initialized && method != RESET_TYPE_INVISIBLE) {
-		if (ok) {
-			rc = efx->phy_op->init(efx);
-			if (rc)
-				ok = false;
-			if (efx->phy_op->reconfigure(efx))
-				EFX_ERR(efx, "could not restore PHY settings\n");
-		}
-		if (!ok)
-			efx->port_initialized = false;
+		rc = efx->phy_op->init(efx);
+		if (rc)
+			goto fail;
+		if (efx->phy_op->reconfigure(efx))
+			EFX_ERR(efx, "could not restore PHY settings\n");
 	}
 
-	if (ok) {
-		efx->mac_op->reconfigure(efx);
+	efx->mac_op->reconfigure(efx);
 
-		efx_init_channels(efx);
-	}
+	efx_init_channels(efx);
+
+	mutex_unlock(&efx->spi_lock);
+	mutex_unlock(&efx->mac_lock);
+
+	efx_start_all(efx);
+
+	return 0;
+
+fail:
+	efx->port_initialized = false;
 
 	mutex_unlock(&efx->spi_lock);
 	mutex_unlock(&efx->mac_lock);
 
-	if (ok)
-		efx_start_all(efx);
 	return rc;
 }
 
-/* Reset the NIC as transparently as possible. Do not reset the PHY
- * Note that the reset may fail, in which case the card will be left
- * in a most-probably-unusable state.
- *
- * This function will sleep.  You cannot reset from within an atomic
- * state; use efx_schedule_reset() instead.
+/* Reset the NIC using the specified method.  Note that the reset may
+ * fail, in which case the card will be left in an unusable state.
  *
- * Grabs the rtnl_lock.
+ * Caller must hold the rtnl_lock.
  */
-static int efx_reset(struct efx_nic *efx)
+int efx_reset(struct efx_nic *efx, enum reset_type method)
 {
-	enum reset_type method = efx->reset_pending;
-	int rc = 0;
-
-	/* Serialise with kernel interfaces */
-	rtnl_lock();
-
-	/* If we're not RUNNING then don't reset. Leave the reset_pending
-	 * flag set so that efx_pci_probe_main will be retried */
-	if (efx->state != STATE_RUNNING) {
-		EFX_INFO(efx, "scheduled reset quenched. NIC not RUNNING\n");
-		goto out_unlock;
-	}
+	int rc, rc2;
+	bool disabled;
 
 	EFX_INFO(efx, "resetting (%s)\n", RESET_TYPE(method));
 
@@ -1814,7 +1805,7 @@ static int efx_reset(struct efx_nic *efx)
 	rc = efx->type->reset(efx, method);
 	if (rc) {
 		EFX_ERR(efx, "failed to reset hardware\n");
-		goto out_disable;
+		goto out;
 	}
 
 	/* Allow resets to be rescheduled. */
@@ -1826,25 +1817,22 @@ static int efx_reset(struct efx_nic *efx)
 	 * can respond to requests. */
 	pci_set_master(efx->pci_dev);
 
+out:
 	/* Leave device stopped if necessary */
-	if (method == RESET_TYPE_DISABLE) {
-		efx_reset_up(efx, method, false);
-		rc = -EIO;
-	} else {
-		rc = efx_reset_up(efx, method, true);
+	disabled = rc || method == RESET_TYPE_DISABLE;
+	rc2 = efx_reset_up(efx, method, !disabled);
+	if (rc2) {
+		disabled = true;
+		if (!rc)
+			rc = rc2;
 	}
 
-out_disable:
-	if (rc) {
+	if (disabled) {
 		EFX_ERR(efx, "has been disabled\n");
 		efx->state = STATE_DISABLED;
-		dev_close(efx->net_dev);
 	} else {
 		EFX_LOG(efx, "reset complete\n");
 	}
-
-out_unlock:
-	rtnl_unlock();
 	return rc;
 }
 
@@ -1853,9 +1841,19 @@ out_unlock:
  */
 static void efx_reset_work(struct work_struct *data)
 {
-	struct efx_nic *nic = container_of(data, struct efx_nic, reset_work);
+	struct efx_nic *efx = container_of(data, struct efx_nic, reset_work);
 
-	efx_reset(nic);
+	/* If we're not RUNNING then don't reset. Leave the reset_pending
+	 * flag set so that efx_pci_probe_main will be retried */
+	if (efx->state != STATE_RUNNING) {
+		EFX_INFO(efx, "scheduled reset quenched. NIC not RUNNING\n");
+		return;
+	}
+
+	rtnl_lock();
+	if (efx_reset(efx, efx->reset_pending))
+		dev_close(efx->net_dev);
+	rtnl_unlock();
 }
 
 void efx_schedule_reset(struct efx_nic *efx, enum reset_type type)
diff --git a/drivers/net/sfc/efx.h b/drivers/net/sfc/efx.h
index c7850032158..fa40c7b66d7 100644
--- a/drivers/net/sfc/efx.h
+++ b/drivers/net/sfc/efx.h
@@ -71,6 +71,7 @@ extern int efx_ethtool_set_settings(struct net_device *net_dev,
 extern const struct ethtool_ops efx_ethtool_ops;
 
 /* Reset handling */
+extern int efx_reset(struct efx_nic *efx, enum reset_type method);
 extern void efx_reset_down(struct efx_nic *efx, enum reset_type method);
 extern int efx_reset_up(struct efx_nic *efx, enum reset_type method, bool ok);
 
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index b4c6ea1b9c0..29aa83c2a0d 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -754,6 +754,35 @@ static int efx_ethtool_set_wol(struct net_device *net_dev,
 	return efx->type->set_wol(efx, wol->wolopts);
 }
 
+extern int efx_ethtool_reset(struct net_device *net_dev, u32 *flags)
+{
+	struct efx_nic *efx = netdev_priv(net_dev);
+	enum reset_type method;
+	enum {
+		ETH_RESET_EFX_INVISIBLE = (ETH_RESET_DMA | ETH_RESET_FILTER |
+					   ETH_RESET_OFFLOAD | ETH_RESET_MAC)
+	};
+
+	/* Check for minimal reset flags */
+	if ((*flags & ETH_RESET_EFX_INVISIBLE) != ETH_RESET_EFX_INVISIBLE)
+		return -EINVAL;
+	*flags ^= ETH_RESET_EFX_INVISIBLE;
+	method = RESET_TYPE_INVISIBLE;
+
+	if (*flags & ETH_RESET_PHY) {
+		*flags ^= ETH_RESET_PHY;
+		method = RESET_TYPE_ALL;
+	}
+
+	if ((*flags & efx->type->reset_world_flags) ==
+	    efx->type->reset_world_flags) {
+		*flags ^= efx->type->reset_world_flags;
+		method = RESET_TYPE_WORLD;
+	}
+
+	return efx_reset(efx, method);
+}
+
 const struct ethtool_ops efx_ethtool_ops = {
 	.get_settings		= efx_ethtool_get_settings,
 	.set_settings		= efx_ethtool_set_settings,
@@ -784,4 +813,5 @@ const struct ethtool_ops efx_ethtool_ops = {
 	.get_ethtool_stats	= efx_ethtool_get_stats,
 	.get_wol                = efx_ethtool_get_wol,
 	.set_wol                = efx_ethtool_set_wol,
+	.reset			= efx_ethtool_reset,
 };
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 8f2c5830553..6a96c699e15 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -3305,6 +3305,7 @@ struct efx_nic_type falcon_a1_nic_type = {
 	.phys_addr_channels = 4,
 	.tx_dc_base = 0x130000,
 	.rx_dc_base = 0x100000,
+	.reset_world_flags = ETH_RESET_IRQ,
 };
 
 struct efx_nic_type falcon_b0_nic_type = {
@@ -3348,5 +3349,6 @@ struct efx_nic_type falcon_b0_nic_type = {
 				   * channels */
 	.tx_dc_base = 0x130000,
 	.rx_dc_base = 0x100000,
+	.reset_world_flags = ETH_RESET_IRQ,
 };
 
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index a9fde82aeea..58bf761d731 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -880,6 +880,8 @@ static inline const char *efx_dev_name(struct efx_nic *efx)
  *	descriptors
  * @tx_dc_base: Base address in SRAM of TX queue descriptor caches
  * @rx_dc_base: Base address in SRAM of RX queue descriptor caches
+ * @reset_world_flags: Flags for additional components covered by
+ *	reset method RESET_TYPE_WORLD
  */
 struct efx_nic_type {
 	int (*probe)(struct efx_nic *efx);
@@ -915,6 +917,7 @@ struct efx_nic_type {
 	unsigned int phys_addr_channels;
 	unsigned int tx_dc_base;
 	unsigned int rx_dc_base;
+	u32 reset_world_flags;
 };
 
 /**************************************************************************
-- 
GitLab


From 9bfc4bb1f9b5863b177752b88e8bfa364e83a4fa Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Sun, 29 Nov 2009 03:43:23 +0000
Subject: [PATCH 1633/1815] sfc: Add efx_nic_type operation for register
 self-test

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/falcon.c     |  3 ++-
 drivers/net/sfc/falcon.h     |  1 -
 drivers/net/sfc/net_driver.h |  2 ++
 drivers/net/sfc/selftest.c   | 12 ++++++------
 4 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 6a96c699e15..bcdc5452bfd 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -2458,7 +2458,7 @@ static bool efx_masked_compare_oword(const efx_oword_t *a, const efx_oword_t *b,
 		((a->u64[1] ^ b->u64[1]) & mask->u64[1]);
 }
 
-int falcon_test_registers(struct efx_nic *efx)
+static int falcon_b0_test_registers(struct efx_nic *efx)
 {
 	unsigned address = 0, i, j;
 	efx_oword_t mask, imask, original, reg, buf;
@@ -3327,6 +3327,7 @@ struct efx_nic_type falcon_b0_nic_type = {
 	.get_wol = falcon_get_wol,
 	.set_wol = falcon_set_wol,
 	.resume_wol = efx_port_dummy_op_void,
+	.test_registers = falcon_b0_test_registers,
 	.default_mac_ops = &falcon_xmac_operations,
 
 	.revision = EFX_REV_FALCON_B0,
diff --git a/drivers/net/sfc/falcon.h b/drivers/net/sfc/falcon.h
index 560a3f9895a..cfcc2a38366 100644
--- a/drivers/net/sfc/falcon.h
+++ b/drivers/net/sfc/falcon.h
@@ -154,7 +154,6 @@ extern int falcon_reset_xaui(struct efx_nic *efx);
 struct falcon_nvconfig;
 extern int falcon_read_nvram(struct efx_nic *efx,
 			     struct falcon_nvconfig *nvconfig);
-extern int falcon_test_registers(struct efx_nic *efx);
 
 /**************************************************************************
  *
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index 58bf761d731..9d353d923ee 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -864,6 +864,7 @@ static inline const char *efx_dev_name(struct efx_nic *efx)
  * @get_wol: Get WoL configuration from driver state
  * @set_wol: Push WoL configuration to the NIC
  * @resume_wol: Synchronise WoL state between driver and MC (e.g. after resume)
+ * @test_registers: Test read/write functionality of control registers
  * @default_mac_ops: efx_mac_operations to set at startup
  * @revision: Hardware architecture revision
  * @mem_map_size: Memory BAR mapped size
@@ -902,6 +903,7 @@ struct efx_nic_type {
 	void (*get_wol)(struct efx_nic *efx, struct ethtool_wolinfo *wol);
 	int (*set_wol)(struct efx_nic *efx, u32 type);
 	void (*resume_wol)(struct efx_nic *efx);
+	int (*test_registers)(struct efx_nic *efx);
 	struct efx_mac_operations *default_mac_ops;
 
 	int revision;
diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c
index f45bf744215..f3035521004 100644
--- a/drivers/net/sfc/selftest.c
+++ b/drivers/net/sfc/selftest.c
@@ -122,14 +122,14 @@ static int efx_test_nvram(struct efx_nic *efx, struct efx_self_tests *tests)
 
 static int efx_test_chip(struct efx_nic *efx, struct efx_self_tests *tests)
 {
-	int rc;
+	int rc = 0;
 
-	/* Not supported on A-series silicon */
-	if (efx_nic_rev(efx) < EFX_REV_FALCON_B0)
-		return 0;
+	/* Test register access */
+	if (efx->type->test_registers) {
+		rc = efx->type->test_registers(efx);
+		tests->registers = rc ? -1 : 1;
+	}
 
-	rc = falcon_test_registers(efx);
-	tests->registers = rc ? -1 : 1;
 	return rc;
 }
 
-- 
GitLab


From 0aa3fbaa3f2d29a14231ebb0c8e521c23701d41f Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Sun, 29 Nov 2009 03:43:33 +0000
Subject: [PATCH 1634/1815] sfc: Add efx_nic_type operation for NVRAM self-test

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/falcon.c     | 10 +++++++++-
 drivers/net/sfc/falcon.h     |  3 ---
 drivers/net/sfc/net_driver.h |  2 ++
 drivers/net/sfc/selftest.c   |  9 ++++++---
 4 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index bcdc5452bfd..d4d13c13f8a 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -2345,7 +2345,8 @@ static void falcon_remove_port(struct efx_nic *efx)
  *
  **************************************************************************/
 
-int falcon_read_nvram(struct efx_nic *efx, struct falcon_nvconfig *nvconfig_out)
+static int
+falcon_read_nvram(struct efx_nic *efx, struct falcon_nvconfig *nvconfig_out)
 {
 	struct falcon_nvconfig *nvconfig;
 	struct efx_spi_device *spi;
@@ -2408,6 +2409,11 @@ int falcon_read_nvram(struct efx_nic *efx, struct falcon_nvconfig *nvconfig_out)
 	return rc;
 }
 
+static int falcon_test_nvram(struct efx_nic *efx)
+{
+	return falcon_read_nvram(efx, NULL);
+}
+
 /* Registers tested in the falcon register test */
 static struct {
 	unsigned address;
@@ -3290,6 +3296,7 @@ struct efx_nic_type falcon_a1_nic_type = {
 	.get_wol = falcon_get_wol,
 	.set_wol = falcon_set_wol,
 	.resume_wol = efx_port_dummy_op_void,
+	.test_nvram = falcon_test_nvram,
 	.default_mac_ops = &falcon_xmac_operations,
 
 	.revision = EFX_REV_FALCON_A1,
@@ -3328,6 +3335,7 @@ struct efx_nic_type falcon_b0_nic_type = {
 	.set_wol = falcon_set_wol,
 	.resume_wol = efx_port_dummy_op_void,
 	.test_registers = falcon_b0_test_registers,
+	.test_nvram = falcon_test_nvram,
 	.default_mac_ops = &falcon_xmac_operations,
 
 	.revision = EFX_REV_FALCON_B0,
diff --git a/drivers/net/sfc/falcon.h b/drivers/net/sfc/falcon.h
index cfcc2a38366..464c2747260 100644
--- a/drivers/net/sfc/falcon.h
+++ b/drivers/net/sfc/falcon.h
@@ -151,9 +151,6 @@ extern void falcon_stop_nic_stats(struct efx_nic *efx);
 extern int falcon_reset_xaui(struct efx_nic *efx);
 
 /* Tests */
-struct falcon_nvconfig;
-extern int falcon_read_nvram(struct efx_nic *efx,
-			     struct falcon_nvconfig *nvconfig);
 
 /**************************************************************************
  *
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index 9d353d923ee..de7cf17f4a4 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -865,6 +865,7 @@ static inline const char *efx_dev_name(struct efx_nic *efx)
  * @set_wol: Push WoL configuration to the NIC
  * @resume_wol: Synchronise WoL state between driver and MC (e.g. after resume)
  * @test_registers: Test read/write functionality of control registers
+ * @test_nvram: Test validity of NVRAM contents
  * @default_mac_ops: efx_mac_operations to set at startup
  * @revision: Hardware architecture revision
  * @mem_map_size: Memory BAR mapped size
@@ -904,6 +905,7 @@ struct efx_nic_type {
 	int (*set_wol)(struct efx_nic *efx, u32 type);
 	void (*resume_wol)(struct efx_nic *efx);
 	int (*test_registers)(struct efx_nic *efx);
+	int (*test_nvram)(struct efx_nic *efx);
 	struct efx_mac_operations *default_mac_ops;
 
 	int revision;
diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c
index f3035521004..fa56e2e8e9c 100644
--- a/drivers/net/sfc/selftest.c
+++ b/drivers/net/sfc/selftest.c
@@ -113,10 +113,13 @@ out:
 
 static int efx_test_nvram(struct efx_nic *efx, struct efx_self_tests *tests)
 {
-	int rc;
+	int rc = 0;
+
+	if (efx->type->test_nvram) {
+		rc = efx->type->test_nvram(efx);
+		tests->nvram = rc ? -1 : 1;
+	}
 
-	rc = falcon_read_nvram(efx, NULL);
-	tests->nvram = rc ? -1 : 1;
 	return rc;
 }
 
-- 
GitLab


From 06629f07248b259e08a6e4089fbe6aa3f98dfbe6 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Sun, 29 Nov 2009 03:43:43 +0000
Subject: [PATCH 1635/1815] sfc: Add efx_nic_type operation for identity LED
 control

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/ethtool.c    | 6 +++---
 drivers/net/sfc/falcon.c     | 7 +++++++
 drivers/net/sfc/net_driver.h | 2 ++
 3 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index 29aa83c2a0d..50639752763 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -174,14 +174,14 @@ static int efx_ethtool_phys_id(struct net_device *net_dev, u32 count)
 	struct efx_nic *efx = netdev_priv(net_dev);
 
 	do {
-		falcon_board(efx)->type->set_id_led(efx, EFX_LED_ON);
+		efx->type->set_id_led(efx, EFX_LED_ON);
 		schedule_timeout_interruptible(HZ / 2);
 
-		falcon_board(efx)->type->set_id_led(efx, EFX_LED_OFF);
+		efx->type->set_id_led(efx, EFX_LED_OFF);
 		schedule_timeout_interruptible(HZ / 2);
 	} while (!signal_pending(current) && --count != 0);
 
-	falcon_board(efx)->type->set_id_led(efx, EFX_LED_DEFAULT);
+	efx->type->set_id_led(efx, EFX_LED_DEFAULT);
 	return 0;
 }
 
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index d4d13c13f8a..61cc9948b23 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -3249,6 +3249,11 @@ void falcon_stop_nic_stats(struct efx_nic *efx)
 	spin_unlock_bh(&efx->stats_lock);
 }
 
+static void falcon_set_id_led(struct efx_nic *efx, enum efx_led_mode mode)
+{
+	falcon_board(efx)->type->set_id_led(efx, mode);
+}
+
 /**************************************************************************
  *
  * Wake on LAN
@@ -3290,6 +3295,7 @@ struct efx_nic_type falcon_a1_nic_type = {
 	.update_stats = falcon_update_nic_stats,
 	.start_stats = falcon_start_nic_stats,
 	.stop_stats = falcon_stop_nic_stats,
+	.set_id_led = falcon_set_id_led,
 	.push_irq_moderation = falcon_push_irq_moderation,
 	.push_multicast_hash = falcon_push_multicast_hash,
 	.reconfigure_port = falcon_reconfigure_port,
@@ -3328,6 +3334,7 @@ struct efx_nic_type falcon_b0_nic_type = {
 	.update_stats = falcon_update_nic_stats,
 	.start_stats = falcon_start_nic_stats,
 	.stop_stats = falcon_stop_nic_stats,
+	.set_id_led = falcon_set_id_led,
 	.push_irq_moderation = falcon_push_irq_moderation,
 	.push_multicast_hash = falcon_push_multicast_hash,
 	.reconfigure_port = falcon_reconfigure_port,
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index de7cf17f4a4..62b2089b05d 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -858,6 +858,7 @@ static inline const char *efx_dev_name(struct efx_nic *efx)
  * @update_stats: Update statistics not provided by event handling
  * @start_stats: Start the regular fetching of statistics
  * @stop_stats: Stop the regular fetching of statistics
+ * @set_id_led: Set state of identifying LED or revert to automatic function
  * @push_irq_moderation: Apply interrupt moderation value
  * @push_multicast_hash: Apply multicast hash table
  * @reconfigure_port: Push loopback/power/txdis changes to the MAC and PHY
@@ -898,6 +899,7 @@ struct efx_nic_type {
 	void (*update_stats)(struct efx_nic *efx);
 	void (*start_stats)(struct efx_nic *efx);
 	void (*stop_stats)(struct efx_nic *efx);
+	void (*set_id_led)(struct efx_nic *efx, enum efx_led_mode mode);
 	void (*push_irq_moderation)(struct efx_channel *channel);
 	void (*push_multicast_hash)(struct efx_nic *efx);
 	int (*reconfigure_port)(struct efx_nic *efx);
-- 
GitLab


From 152b6a62aea2d43359dd37004e9c218bf7bdeb3b Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Sun, 29 Nov 2009 03:43:56 +0000
Subject: [PATCH 1636/1815] sfc: Separate shared NIC code from Falcon-specific
 and rename accordingly

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c      |  30 +--
 drivers/net/sfc/ethtool.c  |   4 +-
 drivers/net/sfc/falcon.c   | 507 +++++++++++++++++++------------------
 drivers/net/sfc/falcon.h   |  80 ++++--
 drivers/net/sfc/rx.c       |  10 +-
 drivers/net/sfc/selftest.c |   4 +-
 drivers/net/sfc/tx.c       |  12 +-
 7 files changed, 341 insertions(+), 306 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 4b7168fc546..e5c33c66eda 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -213,7 +213,7 @@ static int efx_process_channel(struct efx_channel *channel, int rx_quota)
 		     !channel->enabled))
 		return 0;
 
-	rx_packets = falcon_process_eventq(channel, rx_quota);
+	rx_packets = efx_nic_process_eventq(channel, rx_quota);
 	if (rx_packets == 0)
 		return 0;
 
@@ -245,7 +245,7 @@ static inline void efx_channel_processed(struct efx_channel *channel)
 	channel->work_pending = false;
 	smp_wmb();
 
-	falcon_eventq_read_ack(channel);
+	efx_nic_eventq_read_ack(channel);
 }
 
 /* NAPI poll handler
@@ -316,7 +316,7 @@ void efx_process_channel_now(struct efx_channel *channel)
 	BUG_ON(!channel->enabled);
 
 	/* Disable interrupts and wait for ISRs to complete */
-	falcon_disable_interrupts(efx);
+	efx_nic_disable_interrupts(efx);
 	if (efx->legacy_irq)
 		synchronize_irq(efx->legacy_irq);
 	if (channel->irq)
@@ -333,7 +333,7 @@ void efx_process_channel_now(struct efx_channel *channel)
 	efx_channel_processed(channel);
 
 	napi_enable(&channel->napi_str);
-	falcon_enable_interrupts(efx);
+	efx_nic_enable_interrupts(efx);
 }
 
 /* Create event queue
@@ -345,7 +345,7 @@ static int efx_probe_eventq(struct efx_channel *channel)
 {
 	EFX_LOG(channel->efx, "chan %d create event queue\n", channel->channel);
 
-	return falcon_probe_eventq(channel);
+	return efx_nic_probe_eventq(channel);
 }
 
 /* Prepare channel's event queue */
@@ -355,21 +355,21 @@ static void efx_init_eventq(struct efx_channel *channel)
 
 	channel->eventq_read_ptr = 0;
 
-	falcon_init_eventq(channel);
+	efx_nic_init_eventq(channel);
 }
 
 static void efx_fini_eventq(struct efx_channel *channel)
 {
 	EFX_LOG(channel->efx, "chan %d fini event queue\n", channel->channel);
 
-	falcon_fini_eventq(channel);
+	efx_nic_fini_eventq(channel);
 }
 
 static void efx_remove_eventq(struct efx_channel *channel)
 {
 	EFX_LOG(channel->efx, "chan %d remove event queue\n", channel->channel);
 
-	falcon_remove_eventq(channel);
+	efx_nic_remove_eventq(channel);
 }
 
 /**************************************************************************
@@ -535,7 +535,7 @@ static void efx_fini_channels(struct efx_nic *efx)
 	EFX_ASSERT_RESET_SERIALISED(efx);
 	BUG_ON(efx->port_enabled);
 
-	rc = falcon_flush_queues(efx);
+	rc = efx_nic_flush_queues(efx);
 	if (rc)
 		EFX_ERR(efx, "failed to flush queues\n");
 	else
@@ -1172,7 +1172,7 @@ static void efx_start_all(struct efx_nic *efx)
 	efx_for_each_channel(channel, efx)
 		efx_start_channel(channel);
 
-	falcon_enable_interrupts(efx);
+	efx_nic_enable_interrupts(efx);
 
 	/* Start the hardware monitor if there is one. Otherwise (we're link
 	 * event driven), we have to poll the PHY because after an event queue
@@ -1226,7 +1226,7 @@ static void efx_stop_all(struct efx_nic *efx)
 	efx->type->stop_stats(efx);
 
 	/* Disable interrupts and wait for ISR to complete */
-	falcon_disable_interrupts(efx);
+	efx_nic_disable_interrupts(efx);
 	if (efx->legacy_irq)
 		synchronize_irq(efx->legacy_irq);
 	efx_for_each_channel(channel, efx) {
@@ -1286,8 +1286,8 @@ void efx_init_irq_moderation(struct efx_nic *efx, int tx_usecs, int rx_usecs,
 {
 	struct efx_tx_queue *tx_queue;
 	struct efx_rx_queue *rx_queue;
-	unsigned tx_ticks = irq_mod_ticks(tx_usecs, FALCON_IRQ_MOD_RESOLUTION);
-	unsigned rx_ticks = irq_mod_ticks(rx_usecs, FALCON_IRQ_MOD_RESOLUTION);
+	unsigned tx_ticks = irq_mod_ticks(tx_usecs, EFX_IRQ_MOD_RESOLUTION);
+	unsigned rx_ticks = irq_mod_ticks(rx_usecs, EFX_IRQ_MOD_RESOLUTION);
 
 	EFX_ASSERT_RESET_SERIALISED(efx);
 
@@ -2042,7 +2042,7 @@ static void efx_fini_struct(struct efx_nic *efx)
  */
 static void efx_pci_remove_main(struct efx_nic *efx)
 {
-	falcon_fini_interrupt(efx);
+	efx_nic_fini_interrupt(efx);
 	efx_fini_channels(efx);
 	efx_fini_port(efx);
 	efx->type->fini(efx);
@@ -2119,7 +2119,7 @@ static int efx_pci_probe_main(struct efx_nic *efx)
 
 	efx_init_channels(efx);
 
-	rc = falcon_init_interrupt(efx);
+	rc = efx_nic_init_interrupt(efx);
 	if (rc)
 		goto fail5;
 
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index 50639752763..e86cbca75ea 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -611,8 +611,8 @@ static int efx_ethtool_get_coalesce(struct net_device *net_dev,
 	coalesce->use_adaptive_rx_coalesce = efx->irq_rx_adaptive;
 	coalesce->rx_coalesce_usecs_irq = efx->irq_rx_moderation;
 
-	coalesce->tx_coalesce_usecs_irq *= FALCON_IRQ_MOD_RESOLUTION;
-	coalesce->rx_coalesce_usecs_irq *= FALCON_IRQ_MOD_RESOLUTION;
+	coalesce->tx_coalesce_usecs_irq *= EFX_IRQ_MOD_RESOLUTION;
+	coalesce->rx_coalesce_usecs_irq *= EFX_IRQ_MOD_RESOLUTION;
 
 	return 0;
 }
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 61cc9948b23..2e4c7111463 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -69,8 +69,8 @@ default_flash_type = ((17 << SPI_DEV_TYPE_SIZE_LBN)
  * watermark send XOFF. Only used if RX flow control is enabled (ethtool -A)
  * This also has an effect on RX/TX arbitration
  */
-static int rx_xoff_thresh_bytes = -1;
-module_param(rx_xoff_thresh_bytes, int, 0644);
+int efx_nic_rx_xoff_thresh = -1;
+module_param_named(rx_xoff_thresh_bytes, efx_nic_rx_xoff_thresh, int, 0644);
 MODULE_PARM_DESC(rx_xoff_thresh_bytes, "RX fifo XOFF threshold");
 
 /* RX FIFO XON watermark
@@ -79,21 +79,21 @@ MODULE_PARM_DESC(rx_xoff_thresh_bytes, "RX fifo XOFF threshold");
  * watermark send XON. Only used if TX flow control is enabled (ethtool -A)
  * This also has an effect on RX/TX arbitration
  */
-static int rx_xon_thresh_bytes = -1;
-module_param(rx_xon_thresh_bytes, int, 0644);
+int efx_nic_rx_xon_thresh = -1;
+module_param_named(rx_xon_thresh_bytes, efx_nic_rx_xon_thresh, int, 0644);
 MODULE_PARM_DESC(rx_xon_thresh_bytes, "RX fifo XON threshold");
 
-/* If FALCON_MAX_INT_ERRORS internal errors occur within
- * FALCON_INT_ERROR_EXPIRE seconds, we consider the NIC broken and
+/* If EFX_MAX_INT_ERRORS internal errors occur within
+ * EFX_INT_ERROR_EXPIRE seconds, we consider the NIC broken and
  * disable it.
  */
-#define FALCON_INT_ERROR_EXPIRE 3600
-#define FALCON_MAX_INT_ERRORS 5
+#define EFX_INT_ERROR_EXPIRE 3600
+#define EFX_MAX_INT_ERRORS 5
 
 /* We poll for events every FLUSH_INTERVAL ms, and check FLUSH_POLL_COUNT times
  */
-#define FALCON_FLUSH_INTERVAL 10
-#define FALCON_FLUSH_POLL_COUNT 100
+#define EFX_FLUSH_INTERVAL 10
+#define EFX_FLUSH_POLL_COUNT 100
 
 /**************************************************************************
  *
@@ -103,30 +103,27 @@ MODULE_PARM_DESC(rx_xon_thresh_bytes, "RX fifo XON threshold");
  */
 
 /* Size and alignment of special buffers (4KB) */
-#define FALCON_BUF_SIZE 4096
+#define EFX_BUF_SIZE 4096
 
 /* Depth of RX flush request fifo */
-#define FALCON_RX_FLUSH_COUNT 4
-
-#define FALCON_IS_DUAL_FUNC(efx)		\
-	(efx_nic_rev(efx) < EFX_REV_FALCON_B0)
+#define EFX_RX_FLUSH_COUNT 4
 
 /**************************************************************************
  *
- * Falcon hardware access
+ * Solarstorm hardware access
  *
  **************************************************************************/
 
-static inline void falcon_write_buf_tbl(struct efx_nic *efx, efx_qword_t *value,
-					unsigned int index)
+static inline void efx_write_buf_tbl(struct efx_nic *efx, efx_qword_t *value,
+				     unsigned int index)
 {
 	efx_sram_writeq(efx, efx->membase + efx->type->buf_tbl_base,
 			value, index);
 }
 
 /* Read the current event from the event queue */
-static inline efx_qword_t *falcon_event(struct efx_channel *channel,
-					unsigned int index)
+static inline efx_qword_t *efx_event(struct efx_channel *channel,
+				     unsigned int index)
 {
 	return (((efx_qword_t *) (channel->eventq.addr)) + index);
 }
@@ -141,7 +138,7 @@ static inline efx_qword_t *falcon_event(struct efx_channel *channel,
  * Note that using a single 64-bit comparison is incorrect; even
  * though the CPU read will be atomic, the DMA write may not be.
  */
-static inline int falcon_event_present(efx_qword_t *event)
+static inline int efx_event_present(efx_qword_t *event)
 {
 	return (!(EFX_DWORD_IS_ALL_ONES(event->dword[0]) |
 		  EFX_DWORD_IS_ALL_ONES(event->dword[1])));
@@ -205,22 +202,21 @@ static struct i2c_algo_bit_data falcon_i2c_bit_operations = {
 
 /**************************************************************************
  *
- * Falcon special buffer handling
+ * Special buffer handling
  * Special buffers are used for event queues and the TX and RX
  * descriptor rings.
  *
  *************************************************************************/
 
 /*
- * Initialise a Falcon special buffer
+ * Initialise a special buffer
  *
  * This will define a buffer (previously allocated via
- * falcon_alloc_special_buffer()) in Falcon's buffer table, allowing
+ * efx_alloc_special_buffer()) in the buffer table, allowing
  * it to be used for event queues, descriptor rings etc.
  */
 static void
-falcon_init_special_buffer(struct efx_nic *efx,
-			   struct efx_special_buffer *buffer)
+efx_init_special_buffer(struct efx_nic *efx, struct efx_special_buffer *buffer)
 {
 	efx_qword_t buf_desc;
 	int index;
@@ -239,14 +235,13 @@ falcon_init_special_buffer(struct efx_nic *efx,
 				     FRF_AZ_BUF_ADR_REGION, 0,
 				     FRF_AZ_BUF_ADR_FBUF, dma_addr >> 12,
 				     FRF_AZ_BUF_OWNER_ID_FBUF, 0);
-		falcon_write_buf_tbl(efx, &buf_desc, index);
+		efx_write_buf_tbl(efx, &buf_desc, index);
 	}
 }
 
-/* Unmaps a buffer from Falcon and clears the buffer table entries */
+/* Unmaps a buffer and clears the buffer table entries */
 static void
-falcon_fini_special_buffer(struct efx_nic *efx,
-			   struct efx_special_buffer *buffer)
+efx_fini_special_buffer(struct efx_nic *efx, struct efx_special_buffer *buffer)
 {
 	efx_oword_t buf_tbl_upd;
 	unsigned int start = buffer->index;
@@ -267,27 +262,27 @@ falcon_fini_special_buffer(struct efx_nic *efx,
 }
 
 /*
- * Allocate a new Falcon special buffer
+ * Allocate a new special buffer
  *
  * This allocates memory for a new buffer, clears it and allocates a
- * new buffer ID range.  It does not write into Falcon's buffer table.
+ * new buffer ID range.  It does not write into the buffer table.
  *
- * This call will allocate 4KB buffers, since Falcon can't use 8KB
- * buffers for event queues and descriptor rings.
+ * This call will allocate 4KB buffers, since 8KB buffers can't be
+ * used for event queues and descriptor rings.
  */
-static int falcon_alloc_special_buffer(struct efx_nic *efx,
-				       struct efx_special_buffer *buffer,
-				       unsigned int len)
+static int efx_alloc_special_buffer(struct efx_nic *efx,
+				    struct efx_special_buffer *buffer,
+				    unsigned int len)
 {
-	len = ALIGN(len, FALCON_BUF_SIZE);
+	len = ALIGN(len, EFX_BUF_SIZE);
 
 	buffer->addr = pci_alloc_consistent(efx->pci_dev, len,
 					    &buffer->dma_addr);
 	if (!buffer->addr)
 		return -ENOMEM;
 	buffer->len = len;
-	buffer->entries = len / FALCON_BUF_SIZE;
-	BUG_ON(buffer->dma_addr & (FALCON_BUF_SIZE - 1));
+	buffer->entries = len / EFX_BUF_SIZE;
+	BUG_ON(buffer->dma_addr & (EFX_BUF_SIZE - 1));
 
 	/* All zeros is a potentially valid event so memset to 0xff */
 	memset(buffer->addr, 0xff, len);
@@ -305,8 +300,8 @@ static int falcon_alloc_special_buffer(struct efx_nic *efx,
 	return 0;
 }
 
-static void falcon_free_special_buffer(struct efx_nic *efx,
-				       struct efx_special_buffer *buffer)
+static void
+efx_free_special_buffer(struct efx_nic *efx, struct efx_special_buffer *buffer)
 {
 	if (!buffer->addr)
 		return;
@@ -325,13 +320,13 @@ static void falcon_free_special_buffer(struct efx_nic *efx,
 
 /**************************************************************************
  *
- * Falcon generic buffer handling
+ * Generic buffer handling
  * These buffers are used for interrupt status and MAC stats
  *
  **************************************************************************/
 
-static int falcon_alloc_buffer(struct efx_nic *efx,
-			       struct efx_buffer *buffer, unsigned int len)
+int efx_nic_alloc_buffer(struct efx_nic *efx, struct efx_buffer *buffer,
+			 unsigned int len)
 {
 	buffer->addr = pci_alloc_consistent(efx->pci_dev, len,
 					    &buffer->dma_addr);
@@ -342,7 +337,7 @@ static int falcon_alloc_buffer(struct efx_nic *efx,
 	return 0;
 }
 
-static void falcon_free_buffer(struct efx_nic *efx, struct efx_buffer *buffer)
+void efx_nic_free_buffer(struct efx_nic *efx, struct efx_buffer *buffer)
 {
 	if (buffer->addr) {
 		pci_free_consistent(efx->pci_dev, buffer->len,
@@ -353,21 +348,21 @@ static void falcon_free_buffer(struct efx_nic *efx, struct efx_buffer *buffer)
 
 /**************************************************************************
  *
- * Falcon TX path
+ * TX path
  *
  **************************************************************************/
 
 /* Returns a pointer to the specified transmit descriptor in the TX
  * descriptor queue belonging to the specified channel.
  */
-static inline efx_qword_t *falcon_tx_desc(struct efx_tx_queue *tx_queue,
-					       unsigned int index)
+static inline efx_qword_t *
+efx_tx_desc(struct efx_tx_queue *tx_queue, unsigned int index)
 {
 	return (((efx_qword_t *) (tx_queue->txd.addr)) + index);
 }
 
 /* This writes to the TX_DESC_WPTR; write pointer for TX descriptor ring */
-static inline void falcon_notify_tx_desc(struct efx_tx_queue *tx_queue)
+static inline void efx_notify_tx_desc(struct efx_tx_queue *tx_queue)
 {
 	unsigned write_ptr;
 	efx_dword_t reg;
@@ -383,7 +378,7 @@ static inline void falcon_notify_tx_desc(struct efx_tx_queue *tx_queue)
  * descriptor in the hardware TX descriptor ring (in host memory), and
  * write a doorbell.
  */
-void falcon_push_buffers(struct efx_tx_queue *tx_queue)
+void efx_nic_push_buffers(struct efx_tx_queue *tx_queue)
 {
 
 	struct efx_tx_buffer *buffer;
@@ -395,7 +390,7 @@ void falcon_push_buffers(struct efx_tx_queue *tx_queue)
 	do {
 		write_ptr = tx_queue->write_count & EFX_TXQ_MASK;
 		buffer = &tx_queue->buffer[write_ptr];
-		txd = falcon_tx_desc(tx_queue, write_ptr);
+		txd = efx_tx_desc(tx_queue, write_ptr);
 		++tx_queue->write_count;
 
 		/* Create TX descriptor ring entry */
@@ -407,20 +402,20 @@ void falcon_push_buffers(struct efx_tx_queue *tx_queue)
 	} while (tx_queue->write_count != tx_queue->insert_count);
 
 	wmb(); /* Ensure descriptors are written before they are fetched */
-	falcon_notify_tx_desc(tx_queue);
+	efx_notify_tx_desc(tx_queue);
 }
 
 /* Allocate hardware resources for a TX queue */
-int falcon_probe_tx(struct efx_tx_queue *tx_queue)
+int efx_nic_probe_tx(struct efx_tx_queue *tx_queue)
 {
 	struct efx_nic *efx = tx_queue->efx;
 	BUILD_BUG_ON(EFX_TXQ_SIZE < 512 || EFX_TXQ_SIZE > 4096 ||
 		     EFX_TXQ_SIZE & EFX_TXQ_MASK);
-	return falcon_alloc_special_buffer(efx, &tx_queue->txd,
-					   EFX_TXQ_SIZE * sizeof(efx_qword_t));
+	return efx_alloc_special_buffer(efx, &tx_queue->txd,
+					EFX_TXQ_SIZE * sizeof(efx_qword_t));
 }
 
-void falcon_init_tx(struct efx_tx_queue *tx_queue)
+void efx_nic_init_tx(struct efx_tx_queue *tx_queue)
 {
 	efx_oword_t tx_desc_ptr;
 	struct efx_nic *efx = tx_queue->efx;
@@ -428,7 +423,7 @@ void falcon_init_tx(struct efx_tx_queue *tx_queue)
 	tx_queue->flushed = FLUSH_NONE;
 
 	/* Pin TX descriptor ring */
-	falcon_init_special_buffer(efx, &tx_queue->txd);
+	efx_init_special_buffer(efx, &tx_queue->txd);
 
 	/* Push TX descriptor ring to card */
 	EFX_POPULATE_OWORD_10(tx_desc_ptr,
@@ -470,7 +465,7 @@ void falcon_init_tx(struct efx_tx_queue *tx_queue)
 	}
 }
 
-static void falcon_flush_tx_queue(struct efx_tx_queue *tx_queue)
+static void efx_flush_tx_queue(struct efx_tx_queue *tx_queue)
 {
 	struct efx_nic *efx = tx_queue->efx;
 	efx_oword_t tx_flush_descq;
@@ -484,7 +479,7 @@ static void falcon_flush_tx_queue(struct efx_tx_queue *tx_queue)
 	efx_writeo(efx, &tx_flush_descq, FR_AZ_TX_FLUSH_DESCQ);
 }
 
-void falcon_fini_tx(struct efx_tx_queue *tx_queue)
+void efx_nic_fini_tx(struct efx_tx_queue *tx_queue)
 {
 	struct efx_nic *efx = tx_queue->efx;
 	efx_oword_t tx_desc_ptr;
@@ -498,36 +493,36 @@ void falcon_fini_tx(struct efx_tx_queue *tx_queue)
 			 tx_queue->queue);
 
 	/* Unpin TX descriptor ring */
-	falcon_fini_special_buffer(efx, &tx_queue->txd);
+	efx_fini_special_buffer(efx, &tx_queue->txd);
 }
 
 /* Free buffers backing TX queue */
-void falcon_remove_tx(struct efx_tx_queue *tx_queue)
+void efx_nic_remove_tx(struct efx_tx_queue *tx_queue)
 {
-	falcon_free_special_buffer(tx_queue->efx, &tx_queue->txd);
+	efx_free_special_buffer(tx_queue->efx, &tx_queue->txd);
 }
 
 /**************************************************************************
  *
- * Falcon RX path
+ * RX path
  *
  **************************************************************************/
 
 /* Returns a pointer to the specified descriptor in the RX descriptor queue */
-static inline efx_qword_t *falcon_rx_desc(struct efx_rx_queue *rx_queue,
-					       unsigned int index)
+static inline efx_qword_t *
+efx_rx_desc(struct efx_rx_queue *rx_queue, unsigned int index)
 {
 	return (((efx_qword_t *) (rx_queue->rxd.addr)) + index);
 }
 
 /* This creates an entry in the RX descriptor queue */
-static inline void falcon_build_rx_desc(struct efx_rx_queue *rx_queue,
-					unsigned index)
+static inline void
+efx_build_rx_desc(struct efx_rx_queue *rx_queue, unsigned index)
 {
 	struct efx_rx_buffer *rx_buf;
 	efx_qword_t *rxd;
 
-	rxd = falcon_rx_desc(rx_queue, index);
+	rxd = efx_rx_desc(rx_queue, index);
 	rx_buf = efx_rx_buffer(rx_queue, index);
 	EFX_POPULATE_QWORD_3(*rxd,
 			     FSF_AZ_RX_KER_BUF_SIZE,
@@ -540,15 +535,15 @@ static inline void falcon_build_rx_desc(struct efx_rx_queue *rx_queue,
 /* This writes to the RX_DESC_WPTR register for the specified receive
  * descriptor ring.
  */
-void falcon_notify_rx_desc(struct efx_rx_queue *rx_queue)
+void efx_nic_notify_rx_desc(struct efx_rx_queue *rx_queue)
 {
 	efx_dword_t reg;
 	unsigned write_ptr;
 
 	while (rx_queue->notified_count != rx_queue->added_count) {
-		falcon_build_rx_desc(rx_queue,
-				     rx_queue->notified_count &
-				     EFX_RXQ_MASK);
+		efx_build_rx_desc(rx_queue,
+				  rx_queue->notified_count &
+				  EFX_RXQ_MASK);
 		++rx_queue->notified_count;
 	}
 
@@ -559,16 +554,16 @@ void falcon_notify_rx_desc(struct efx_rx_queue *rx_queue)
 			FR_AZ_RX_DESC_UPD_DWORD_P0, rx_queue->queue);
 }
 
-int falcon_probe_rx(struct efx_rx_queue *rx_queue)
+int efx_nic_probe_rx(struct efx_rx_queue *rx_queue)
 {
 	struct efx_nic *efx = rx_queue->efx;
 	BUILD_BUG_ON(EFX_RXQ_SIZE < 512 || EFX_RXQ_SIZE > 4096 ||
 		     EFX_RXQ_SIZE & EFX_RXQ_MASK);
-	return falcon_alloc_special_buffer(efx, &rx_queue->rxd,
-					   EFX_RXQ_SIZE * sizeof(efx_qword_t));
+	return efx_alloc_special_buffer(efx, &rx_queue->rxd,
+					EFX_RXQ_SIZE * sizeof(efx_qword_t));
 }
 
-void falcon_init_rx(struct efx_rx_queue *rx_queue)
+void efx_nic_init_rx(struct efx_rx_queue *rx_queue)
 {
 	efx_oword_t rx_desc_ptr;
 	struct efx_nic *efx = rx_queue->efx;
@@ -582,7 +577,7 @@ void falcon_init_rx(struct efx_rx_queue *rx_queue)
 	rx_queue->flushed = FLUSH_NONE;
 
 	/* Pin RX descriptor ring */
-	falcon_init_special_buffer(efx, &rx_queue->rxd);
+	efx_init_special_buffer(efx, &rx_queue->rxd);
 
 	/* Push RX descriptor ring to card */
 	EFX_POPULATE_OWORD_10(rx_desc_ptr,
@@ -603,7 +598,7 @@ void falcon_init_rx(struct efx_rx_queue *rx_queue)
 			 rx_queue->queue);
 }
 
-static void falcon_flush_rx_queue(struct efx_rx_queue *rx_queue)
+static void efx_flush_rx_queue(struct efx_rx_queue *rx_queue)
 {
 	struct efx_nic *efx = rx_queue->efx;
 	efx_oword_t rx_flush_descq;
@@ -617,7 +612,7 @@ static void falcon_flush_rx_queue(struct efx_rx_queue *rx_queue)
 	efx_writeo(efx, &rx_flush_descq, FR_AZ_RX_FLUSH_DESCQ);
 }
 
-void falcon_fini_rx(struct efx_rx_queue *rx_queue)
+void efx_nic_fini_rx(struct efx_rx_queue *rx_queue)
 {
 	efx_oword_t rx_desc_ptr;
 	struct efx_nic *efx = rx_queue->efx;
@@ -631,18 +626,18 @@ void falcon_fini_rx(struct efx_rx_queue *rx_queue)
 			 rx_queue->queue);
 
 	/* Unpin RX descriptor ring */
-	falcon_fini_special_buffer(efx, &rx_queue->rxd);
+	efx_fini_special_buffer(efx, &rx_queue->rxd);
 }
 
 /* Free buffers backing RX queue */
-void falcon_remove_rx(struct efx_rx_queue *rx_queue)
+void efx_nic_remove_rx(struct efx_rx_queue *rx_queue)
 {
-	falcon_free_special_buffer(rx_queue->efx, &rx_queue->rxd);
+	efx_free_special_buffer(rx_queue->efx, &rx_queue->rxd);
 }
 
 /**************************************************************************
  *
- * Falcon event queue processing
+ * Event queue processing
  * Event queues are processed by per-channel tasklets.
  *
  **************************************************************************/
@@ -656,7 +651,7 @@ void falcon_remove_rx(struct efx_rx_queue *rx_queue)
  * whereas channel->eventq_read_ptr contains the index of the "next to
  * read" event.
  */
-void falcon_eventq_read_ack(struct efx_channel *channel)
+void efx_nic_eventq_read_ack(struct efx_channel *channel)
 {
 	efx_dword_t reg;
 	struct efx_nic *efx = channel->efx;
@@ -667,7 +662,7 @@ void falcon_eventq_read_ack(struct efx_channel *channel)
 }
 
 /* Use HW to insert a SW defined event */
-void falcon_generate_event(struct efx_channel *channel, efx_qword_t *event)
+void efx_generate_event(struct efx_channel *channel, efx_qword_t *event)
 {
 	efx_oword_t drv_ev_reg;
 
@@ -683,11 +678,11 @@ void falcon_generate_event(struct efx_channel *channel, efx_qword_t *event)
 
 /* Handle a transmit completion event
  *
- * Falcon batches TX completion events; the message we receive is of
+ * The NIC batches TX completion events; the message we receive is of
  * the form "complete all TX events up to this index".
  */
-static void falcon_handle_tx_event(struct efx_channel *channel,
-				   efx_qword_t *event)
+static void
+efx_handle_tx_event(struct efx_channel *channel, efx_qword_t *event)
 {
 	unsigned int tx_ev_desc_ptr;
 	unsigned int tx_ev_q_label;
@@ -710,7 +705,7 @@ static void falcon_handle_tx_event(struct efx_channel *channel,
 
 		if (efx_dev_registered(efx))
 			netif_tx_lock(efx->net_dev);
-		falcon_notify_tx_desc(tx_queue);
+		efx_notify_tx_desc(tx_queue);
 		if (efx_dev_registered(efx))
 			netif_tx_unlock(efx->net_dev);
 	} else if (EFX_QWORD_FIELD(*event, FSF_AZ_TX_EV_PKT_ERR) &&
@@ -724,10 +719,10 @@ static void falcon_handle_tx_event(struct efx_channel *channel,
 }
 
 /* Detect errors included in the rx_evt_pkt_ok bit. */
-static void falcon_handle_rx_not_ok(struct efx_rx_queue *rx_queue,
-				    const efx_qword_t *event,
-				    bool *rx_ev_pkt_ok,
-				    bool *discard)
+static void efx_handle_rx_not_ok(struct efx_rx_queue *rx_queue,
+				 const efx_qword_t *event,
+				 bool *rx_ev_pkt_ok,
+				 bool *discard)
 {
 	struct efx_nic *efx = rx_queue->efx;
 	bool rx_ev_buf_owner_id_err, rx_ev_ip_hdr_chksum_err;
@@ -799,8 +794,8 @@ static void falcon_handle_rx_not_ok(struct efx_rx_queue *rx_queue,
 }
 
 /* Handle receive events that are not in-order. */
-static void falcon_handle_rx_bad_index(struct efx_rx_queue *rx_queue,
-				       unsigned index)
+static void
+efx_handle_rx_bad_index(struct efx_rx_queue *rx_queue, unsigned index)
 {
 	struct efx_nic *efx = rx_queue->efx;
 	unsigned expected, dropped;
@@ -816,13 +811,13 @@ static void falcon_handle_rx_bad_index(struct efx_rx_queue *rx_queue,
 
 /* Handle a packet received event
  *
- * Falcon silicon gives a "discard" flag if it's a unicast packet with the
+ * The NIC gives a "discard" flag if it's a unicast packet with the
  * wrong destination address
  * Also "is multicast" and "matches multicast filter" flags can be used to
  * discard non-matching multicast packets.
  */
-static void falcon_handle_rx_event(struct efx_channel *channel,
-				   const efx_qword_t *event)
+static void
+efx_handle_rx_event(struct efx_channel *channel, const efx_qword_t *event)
 {
 	unsigned int rx_ev_desc_ptr, rx_ev_byte_cnt;
 	unsigned int rx_ev_hdr_type, rx_ev_mcast_pkt;
@@ -845,19 +840,18 @@ static void falcon_handle_rx_event(struct efx_channel *channel,
 	rx_ev_desc_ptr = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_DESC_PTR);
 	expected_ptr = rx_queue->removed_count & EFX_RXQ_MASK;
 	if (unlikely(rx_ev_desc_ptr != expected_ptr))
-		falcon_handle_rx_bad_index(rx_queue, rx_ev_desc_ptr);
+		efx_handle_rx_bad_index(rx_queue, rx_ev_desc_ptr);
 
 	if (likely(rx_ev_pkt_ok)) {
-		/* If packet is marked as OK and packet type is TCP/IPv4 or
-		 * UDP/IPv4, then we can rely on the hardware checksum.
+		/* If packet is marked as OK and packet type is TCP/IP or
+		 * UDP/IP, then we can rely on the hardware checksum.
 		 */
 		checksummed =
 			likely(efx->rx_checksum_enabled) &&
-			(rx_ev_hdr_type == FSE_AB_RX_EV_HDR_TYPE_IPV4_TCP ||
-			 rx_ev_hdr_type == FSE_AB_RX_EV_HDR_TYPE_IPV4_UDP);
+			(rx_ev_hdr_type == FSE_CZ_RX_EV_HDR_TYPE_IPV4V6_TCP ||
+			 rx_ev_hdr_type == FSE_CZ_RX_EV_HDR_TYPE_IPV4V6_UDP);
 	} else {
-		falcon_handle_rx_not_ok(rx_queue, event, &rx_ev_pkt_ok,
-					&discard);
+		efx_handle_rx_not_ok(rx_queue, event, &rx_ev_pkt_ok, &discard);
 		checksummed = false;
 	}
 
@@ -881,8 +875,8 @@ static void falcon_handle_rx_event(struct efx_channel *channel,
 }
 
 /* Global events are basically PHY events */
-static void falcon_handle_global_event(struct efx_channel *channel,
-				       efx_qword_t *event)
+static void
+efx_handle_global_event(struct efx_channel *channel, efx_qword_t *event)
 {
 	struct efx_nic *efx = channel->efx;
 	bool handled = false;
@@ -918,8 +912,8 @@ static void falcon_handle_global_event(struct efx_channel *channel,
 			EFX_QWORD_VAL(*event));
 }
 
-static void falcon_handle_driver_event(struct efx_channel *channel,
-				       efx_qword_t *event)
+static void
+efx_handle_driver_event(struct efx_channel *channel, efx_qword_t *event)
 {
 	struct efx_nic *efx = channel->efx;
 	unsigned int ev_sub_code;
@@ -980,7 +974,7 @@ static void falcon_handle_driver_event(struct efx_channel *channel,
 	}
 }
 
-int falcon_process_eventq(struct efx_channel *channel, int rx_quota)
+int efx_nic_process_eventq(struct efx_channel *channel, int rx_quota)
 {
 	unsigned int read_ptr;
 	efx_qword_t event, *p_event;
@@ -990,10 +984,10 @@ int falcon_process_eventq(struct efx_channel *channel, int rx_quota)
 	read_ptr = channel->eventq_read_ptr;
 
 	do {
-		p_event = falcon_event(channel, read_ptr);
+		p_event = efx_event(channel, read_ptr);
 		event = *p_event;
 
-		if (!falcon_event_present(&event))
+		if (!efx_event_present(&event))
 			/* End of events */
 			break;
 
@@ -1007,11 +1001,11 @@ int falcon_process_eventq(struct efx_channel *channel, int rx_quota)
 
 		switch (ev_code) {
 		case FSE_AZ_EV_CODE_RX_EV:
-			falcon_handle_rx_event(channel, &event);
+			efx_handle_rx_event(channel, &event);
 			++rx_packets;
 			break;
 		case FSE_AZ_EV_CODE_TX_EV:
-			falcon_handle_tx_event(channel, &event);
+			efx_handle_tx_event(channel, &event);
 			break;
 		case FSE_AZ_EV_CODE_DRV_GEN_EV:
 			channel->eventq_magic = EFX_QWORD_FIELD(
@@ -1021,10 +1015,10 @@ int falcon_process_eventq(struct efx_channel *channel, int rx_quota)
 				EFX_QWORD_VAL(event));
 			break;
 		case FSE_AZ_EV_CODE_GLOBAL_EV:
-			falcon_handle_global_event(channel, &event);
+			efx_handle_global_event(channel, &event);
 			break;
 		case FSE_AZ_EV_CODE_DRIVER_EV:
-			falcon_handle_driver_event(channel, &event);
+			efx_handle_driver_event(channel, &event);
 			break;
 		default:
 			EFX_ERR(channel->efx, "channel %d unknown event type %d"
@@ -1066,16 +1060,16 @@ static void falcon_push_irq_moderation(struct efx_channel *channel)
 }
 
 /* Allocate buffer table entries for event queue */
-int falcon_probe_eventq(struct efx_channel *channel)
+int efx_nic_probe_eventq(struct efx_channel *channel)
 {
 	struct efx_nic *efx = channel->efx;
 	BUILD_BUG_ON(EFX_EVQ_SIZE < 512 || EFX_EVQ_SIZE > 32768 ||
 		     EFX_EVQ_SIZE & EFX_EVQ_MASK);
-	return falcon_alloc_special_buffer(efx, &channel->eventq,
-					   EFX_EVQ_SIZE * sizeof(efx_qword_t));
+	return efx_alloc_special_buffer(efx, &channel->eventq,
+					EFX_EVQ_SIZE * sizeof(efx_qword_t));
 }
 
-void falcon_init_eventq(struct efx_channel *channel)
+void efx_nic_init_eventq(struct efx_channel *channel)
 {
 	efx_oword_t evq_ptr;
 	struct efx_nic *efx = channel->efx;
@@ -1085,7 +1079,7 @@ void falcon_init_eventq(struct efx_channel *channel)
 		channel->eventq.index + channel->eventq.entries - 1);
 
 	/* Pin event queue buffer */
-	falcon_init_special_buffer(efx, &channel->eventq);
+	efx_init_special_buffer(efx, &channel->eventq);
 
 	/* Fill event queue with all ones (i.e. empty events) */
 	memset(channel->eventq.addr, 0xff, channel->eventq.len);
@@ -1098,10 +1092,10 @@ void falcon_init_eventq(struct efx_channel *channel)
 	efx_writeo_table(efx, &evq_ptr, efx->type->evq_ptr_tbl_base,
 			 channel->channel);
 
-	falcon_push_irq_moderation(channel);
+	efx->type->push_irq_moderation(channel);
 }
 
-void falcon_fini_eventq(struct efx_channel *channel)
+void efx_nic_fini_eventq(struct efx_channel *channel)
 {
 	efx_oword_t eventq_ptr;
 	struct efx_nic *efx = channel->efx;
@@ -1112,13 +1106,13 @@ void falcon_fini_eventq(struct efx_channel *channel)
 			 channel->channel);
 
 	/* Unpin event queue */
-	falcon_fini_special_buffer(efx, &channel->eventq);
+	efx_fini_special_buffer(efx, &channel->eventq);
 }
 
 /* Free buffers backing event queue */
-void falcon_remove_eventq(struct efx_channel *channel)
+void efx_nic_remove_eventq(struct efx_channel *channel)
 {
-	falcon_free_special_buffer(channel->efx, &channel->eventq);
+	efx_free_special_buffer(channel->efx, &channel->eventq);
 }
 
 
@@ -1126,14 +1120,14 @@ void falcon_remove_eventq(struct efx_channel *channel)
  * process_eventq() should pick up the event and place the value of
  * "magic" into channel->eventq_magic;
  */
-void falcon_generate_test_event(struct efx_channel *channel, unsigned int magic)
+void efx_nic_generate_test_event(struct efx_channel *channel, unsigned int magic)
 {
 	efx_qword_t test_event;
 
 	EFX_POPULATE_QWORD_2(test_event, FSF_AZ_EV_CODE,
 			     FSE_AZ_EV_CODE_DRV_GEN_EV,
 			     FSF_AZ_DRV_GEN_EV_MAGIC, magic);
-	falcon_generate_event(channel, &test_event);
+	efx_generate_event(channel, &test_event);
 }
 
 /**************************************************************************
@@ -1143,7 +1137,7 @@ void falcon_generate_test_event(struct efx_channel *channel, unsigned int magic)
  **************************************************************************/
 
 
-static void falcon_poll_flush_events(struct efx_nic *efx)
+static void efx_poll_flush_events(struct efx_nic *efx)
 {
 	struct efx_channel *channel = &efx->channel[0];
 	struct efx_tx_queue *tx_queue;
@@ -1152,11 +1146,11 @@ static void falcon_poll_flush_events(struct efx_nic *efx)
 	unsigned int end_ptr = (read_ptr - 1) & EFX_EVQ_MASK;
 
 	do {
-		efx_qword_t *event = falcon_event(channel, read_ptr);
+		efx_qword_t *event = efx_event(channel, read_ptr);
 		int ev_code, ev_sub_code, ev_queue;
 		bool ev_failed;
 
-		if (!falcon_event_present(event))
+		if (!efx_event_present(event))
 			break;
 
 		ev_code = EFX_QWORD_FIELD(*event, FSF_AZ_EV_CODE);
@@ -1208,7 +1202,7 @@ static void falcon_prepare_flush(struct efx_nic *efx)
 /* Handle tx and rx flushes at the same time, since they run in
  * parallel in the hardware and there's no reason for us to
  * serialise them */
-int falcon_flush_queues(struct efx_nic *efx)
+int efx_nic_flush_queues(struct efx_nic *efx)
 {
 	struct efx_rx_queue *rx_queue;
 	struct efx_tx_queue *tx_queue;
@@ -1219,22 +1213,22 @@ int falcon_flush_queues(struct efx_nic *efx)
 
 	/* Flush all tx queues in parallel */
 	efx_for_each_tx_queue(tx_queue, efx)
-		falcon_flush_tx_queue(tx_queue);
+		efx_flush_tx_queue(tx_queue);
 
 	/* The hardware supports four concurrent rx flushes, each of which may
 	 * need to be retried if there is an outstanding descriptor fetch */
-	for (i = 0; i < FALCON_FLUSH_POLL_COUNT; ++i) {
+	for (i = 0; i < EFX_FLUSH_POLL_COUNT; ++i) {
 		rx_pending = tx_pending = 0;
 		efx_for_each_rx_queue(rx_queue, efx) {
 			if (rx_queue->flushed == FLUSH_PENDING)
 				++rx_pending;
 		}
 		efx_for_each_rx_queue(rx_queue, efx) {
-			if (rx_pending == FALCON_RX_FLUSH_COUNT)
+			if (rx_pending == EFX_RX_FLUSH_COUNT)
 				break;
 			if (rx_queue->flushed == FLUSH_FAILED ||
 			    rx_queue->flushed == FLUSH_NONE) {
-				falcon_flush_rx_queue(rx_queue);
+				efx_flush_rx_queue(rx_queue);
 				++rx_pending;
 			}
 		}
@@ -1246,8 +1240,8 @@ int falcon_flush_queues(struct efx_nic *efx)
 		if (rx_pending == 0 && tx_pending == 0)
 			return 0;
 
-		msleep(FALCON_FLUSH_INTERVAL);
-		falcon_poll_flush_events(efx);
+		msleep(EFX_FLUSH_INTERVAL);
+		efx_poll_flush_events(efx);
 	}
 
 	/* Mark the queues as all flushed. We're going to return failure
@@ -1273,15 +1267,15 @@ int falcon_flush_queues(struct efx_nic *efx)
 
 /**************************************************************************
  *
- * Falcon hardware interrupts
+ * Hardware interrupts
  * The hardware interrupt handler does very little work; all the event
  * queue processing is carried out by per-channel tasklets.
  *
  **************************************************************************/
 
-/* Enable/disable/generate Falcon interrupts */
-static inline void falcon_interrupts(struct efx_nic *efx, int enabled,
-				     int force)
+/* Enable/disable/generate interrupts */
+static inline void efx_nic_interrupts(struct efx_nic *efx,
+				      bool enabled, bool force)
 {
 	efx_oword_t int_en_reg_ker;
 
@@ -1291,7 +1285,7 @@ static inline void falcon_interrupts(struct efx_nic *efx, int enabled,
 	efx_writeo(efx, &int_en_reg_ker, FR_AZ_INT_EN_KER);
 }
 
-void falcon_enable_interrupts(struct efx_nic *efx)
+void efx_nic_enable_interrupts(struct efx_nic *efx)
 {
 	struct efx_channel *channel;
 
@@ -1299,7 +1293,7 @@ void falcon_enable_interrupts(struct efx_nic *efx)
 	wmb(); /* Ensure interrupt vector is clear before interrupts enabled */
 
 	/* Enable interrupts */
-	falcon_interrupts(efx, 1, 0);
+	efx_nic_interrupts(efx, true, false);
 
 	/* Force processing of all the channels to get the EVQ RPTRs up to
 	   date */
@@ -1307,19 +1301,19 @@ void falcon_enable_interrupts(struct efx_nic *efx)
 		efx_schedule_channel(channel);
 }
 
-void falcon_disable_interrupts(struct efx_nic *efx)
+void efx_nic_disable_interrupts(struct efx_nic *efx)
 {
 	/* Disable interrupts */
-	falcon_interrupts(efx, 0, 0);
+	efx_nic_interrupts(efx, false, false);
 }
 
-/* Generate a Falcon test interrupt
+/* Generate a test interrupt
  * Interrupt must already have been enabled, otherwise nasty things
  * may happen.
  */
-void falcon_generate_interrupt(struct efx_nic *efx)
+void efx_nic_generate_interrupt(struct efx_nic *efx)
 {
-	falcon_interrupts(efx, 1, 1);
+	efx_nic_interrupts(efx, true, true);
 }
 
 /* Acknowledge a legacy interrupt from Falcon
@@ -1332,7 +1326,7 @@ void falcon_generate_interrupt(struct efx_nic *efx)
  *
  * NB most hardware supports MSI interrupts
  */
-static inline void falcon_irq_ack_a1(struct efx_nic *efx)
+inline void falcon_irq_ack_a1(struct efx_nic *efx)
 {
 	efx_dword_t reg;
 
@@ -1344,7 +1338,7 @@ static inline void falcon_irq_ack_a1(struct efx_nic *efx)
 /* Process a fatal interrupt
  * Disable bus mastering ASAP and schedule a reset
  */
-static irqreturn_t falcon_fatal_interrupt(struct efx_nic *efx)
+irqreturn_t efx_nic_fatal_interrupt(struct efx_nic *efx)
 {
 	struct falcon_nic_data *nic_data = efx->nic_data;
 	efx_oword_t *int_ker = efx->irq_status.addr;
@@ -1372,18 +1366,18 @@ static irqreturn_t falcon_fatal_interrupt(struct efx_nic *efx)
 
 	/* Disable both devices */
 	pci_clear_master(efx->pci_dev);
-	if (FALCON_IS_DUAL_FUNC(efx))
+	if (efx_nic_is_dual_func(efx))
 		pci_clear_master(nic_data->pci_dev2);
-	falcon_disable_interrupts(efx);
+	efx_nic_disable_interrupts(efx);
 
 	/* Count errors and reset or disable the NIC accordingly */
 	if (efx->int_error_count == 0 ||
 	    time_after(jiffies, efx->int_error_expire)) {
 		efx->int_error_count = 0;
 		efx->int_error_expire =
-			jiffies + FALCON_INT_ERROR_EXPIRE * HZ;
+			jiffies + EFX_INT_ERROR_EXPIRE * HZ;
 	}
-	if (++efx->int_error_count < FALCON_MAX_INT_ERRORS) {
+	if (++efx->int_error_count < EFX_MAX_INT_ERRORS) {
 		EFX_ERR(efx, "SYSTEM ERROR - reset scheduled\n");
 		efx_schedule_reset(efx, RESET_TYPE_INT_ERROR);
 	} else {
@@ -1395,10 +1389,10 @@ out:
 	return IRQ_HANDLED;
 }
 
-/* Handle a legacy interrupt from Falcon
+/* Handle a legacy interrupt
  * Acknowledges the interrupt and schedule event queue processing.
  */
-static irqreturn_t falcon_legacy_interrupt_b0(int irq, void *dev_id)
+static irqreturn_t efx_legacy_interrupt(int irq, void *dev_id)
 {
 	struct efx_nic *efx = dev_id;
 	efx_oword_t *int_ker = efx->irq_status.addr;
@@ -1415,13 +1409,13 @@ static irqreturn_t falcon_legacy_interrupt_b0(int irq, void *dev_id)
 	/* Check to see if we have a serious error condition */
 	syserr = EFX_OWORD_FIELD(*int_ker, FSF_AZ_NET_IVEC_FATAL_INT);
 	if (unlikely(syserr))
-		return falcon_fatal_interrupt(efx);
+		return efx_nic_fatal_interrupt(efx);
 
 	/* Schedule processing of any interrupting queues */
 	efx_for_each_channel(channel, efx) {
 		if ((queues & 1) ||
-		    falcon_event_present(
-			    falcon_event(channel, channel->eventq_read_ptr))) {
+		    efx_event_present(
+			    efx_event(channel, channel->eventq_read_ptr))) {
 			efx_schedule_channel(channel);
 			result = IRQ_HANDLED;
 		}
@@ -1438,7 +1432,7 @@ static irqreturn_t falcon_legacy_interrupt_b0(int irq, void *dev_id)
 }
 
 
-static irqreturn_t falcon_legacy_interrupt_a1(int irq, void *dev_id)
+irqreturn_t falcon_legacy_interrupt_a1(int irq, void *dev_id)
 {
 	struct efx_nic *efx = dev_id;
 	efx_oword_t *int_ker = efx->irq_status.addr;
@@ -1461,7 +1455,7 @@ static irqreturn_t falcon_legacy_interrupt_a1(int irq, void *dev_id)
 	/* Check to see if we have a serious error condition */
 	syserr = EFX_OWORD_FIELD(*int_ker, FSF_AZ_NET_IVEC_FATAL_INT);
 	if (unlikely(syserr))
-		return falcon_fatal_interrupt(efx);
+		return efx_nic_fatal_interrupt(efx);
 
 	/* Determine interrupting queues, clear interrupt status
 	 * register and acknowledge the device interrupt.
@@ -1484,14 +1478,14 @@ static irqreturn_t falcon_legacy_interrupt_a1(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-/* Handle an MSI interrupt from Falcon
+/* Handle an MSI interrupt
  *
  * Handle an MSI hardware interrupt.  This routine schedules event
  * queue processing.  No interrupt acknowledgement cycle is necessary.
  * Also, we never need to check that the interrupt is for us, since
  * MSI interrupts cannot be shared.
  */
-static irqreturn_t falcon_msi_interrupt(int irq, void *dev_id)
+static irqreturn_t efx_msi_interrupt(int irq, void *dev_id)
 {
 	struct efx_channel *channel = dev_id;
 	struct efx_nic *efx = channel->efx;
@@ -1505,7 +1499,7 @@ static irqreturn_t falcon_msi_interrupt(int irq, void *dev_id)
 	/* Check to see if we have a serious error condition */
 	syserr = EFX_OWORD_FIELD(*int_ker, FSF_AZ_NET_IVEC_FATAL_INT);
 	if (unlikely(syserr))
-		return falcon_fatal_interrupt(efx);
+		return efx_nic_fatal_interrupt(efx);
 
 	/* Schedule processing of the channel */
 	efx_schedule_channel(channel);
@@ -1517,7 +1511,7 @@ static irqreturn_t falcon_msi_interrupt(int irq, void *dev_id)
 /* Setup RSS indirection table.
  * This maps from the hash value of the packet to RXQ
  */
-static void falcon_setup_rss_indir_table(struct efx_nic *efx)
+static void efx_setup_rss_indir_table(struct efx_nic *efx)
 {
 	int i = 0;
 	unsigned long offset;
@@ -1539,7 +1533,7 @@ static void falcon_setup_rss_indir_table(struct efx_nic *efx)
 /* Hook interrupt handler(s)
  * Try MSI and then legacy interrupts.
  */
-int falcon_init_interrupt(struct efx_nic *efx)
+int efx_nic_init_interrupt(struct efx_nic *efx)
 {
 	struct efx_channel *channel;
 	int rc;
@@ -1547,7 +1541,7 @@ int falcon_init_interrupt(struct efx_nic *efx)
 	if (!EFX_INT_MODE_USE_MSI(efx)) {
 		irq_handler_t handler;
 		if (efx_nic_rev(efx) >= EFX_REV_FALCON_B0)
-			handler = falcon_legacy_interrupt_b0;
+			handler = efx_legacy_interrupt;
 		else
 			handler = falcon_legacy_interrupt_a1;
 
@@ -1563,7 +1557,7 @@ int falcon_init_interrupt(struct efx_nic *efx)
 
 	/* Hook MSI or MSI-X interrupt */
 	efx_for_each_channel(channel, efx) {
-		rc = request_irq(channel->irq, falcon_msi_interrupt,
+		rc = request_irq(channel->irq, efx_msi_interrupt,
 				 IRQF_PROBE_SHARED, /* Not shared */
 				 channel->name, channel);
 		if (rc) {
@@ -1581,7 +1575,7 @@ int falcon_init_interrupt(struct efx_nic *efx)
 	return rc;
 }
 
-void falcon_fini_interrupt(struct efx_nic *efx)
+void efx_nic_fini_interrupt(struct efx_nic *efx)
 {
 	struct efx_channel *channel;
 	efx_oword_t reg;
@@ -2322,8 +2316,8 @@ static int falcon_probe_port(struct efx_nic *efx)
 		efx->wanted_fc = EFX_FC_RX;
 
 	/* Allocate buffer for stats */
-	rc = falcon_alloc_buffer(efx, &efx->stats_buffer,
-				 FALCON_MAC_STATS_SIZE);
+	rc = efx_nic_alloc_buffer(efx, &efx->stats_buffer,
+				  FALCON_MAC_STATS_SIZE);
 	if (rc)
 		return rc;
 	EFX_LOG(efx, "stats buffer at %llx (virt %p phys %llx)\n",
@@ -2336,7 +2330,7 @@ static int falcon_probe_port(struct efx_nic *efx)
 
 static void falcon_remove_port(struct efx_nic *efx)
 {
-	falcon_free_buffer(efx, &efx->stats_buffer);
+	efx_nic_free_buffer(efx, &efx->stats_buffer);
 }
 
 /**************************************************************************
@@ -2414,11 +2408,7 @@ static int falcon_test_nvram(struct efx_nic *efx)
 	return falcon_read_nvram(efx, NULL);
 }
 
-/* Registers tested in the falcon register test */
-static struct {
-	unsigned address;
-	efx_oword_t mask;
-} efx_test_registers[] = {
+static const struct efx_nic_register_test falcon_b0_register_tests[] = {
 	{ FR_AZ_ADR_REGION,
 	  EFX_OWORD32(0x0001FFFF, 0x0001FFFF, 0x0001FFFF, 0x0001FFFF) },
 	{ FR_AZ_RX_CFG,
@@ -2464,7 +2454,9 @@ static bool efx_masked_compare_oword(const efx_oword_t *a, const efx_oword_t *b,
 		((a->u64[1] ^ b->u64[1]) & mask->u64[1]);
 }
 
-static int falcon_b0_test_registers(struct efx_nic *efx)
+int efx_nic_test_registers(struct efx_nic *efx,
+			   const struct efx_nic_register_test *regs,
+			   size_t n_regs)
 {
 	unsigned address = 0, i, j;
 	efx_oword_t mask, imask, original, reg, buf;
@@ -2472,9 +2464,9 @@ static int falcon_b0_test_registers(struct efx_nic *efx)
 	/* Falcon should be in loopback to isolate the XMAC from the PHY */
 	WARN_ON(!LOOPBACK_INTERNAL(efx));
 
-	for (i = 0; i < ARRAY_SIZE(efx_test_registers); ++i) {
-		address = efx_test_registers[i].address;
-		mask = imask = efx_test_registers[i].mask;
+	for (i = 0; i < n_regs; ++i) {
+		address = regs[i].address;
+		mask = imask = regs[i].mask;
 		EFX_INVERT_OWORD(imask);
 
 		efx_reado(efx, &original, address);
@@ -2517,6 +2509,12 @@ fail:
 	return -EIO;
 }
 
+static int falcon_b0_test_registers(struct efx_nic *efx)
+{
+	return efx_nic_test_registers(efx, falcon_b0_register_tests,
+				      ARRAY_SIZE(falcon_b0_register_tests));
+}
+
 /**************************************************************************
  *
  * Device reset
@@ -2542,7 +2540,7 @@ static int falcon_reset_hw(struct efx_nic *efx, enum reset_type method)
 				"function prior to hardware reset\n");
 			goto fail1;
 		}
-		if (FALCON_IS_DUAL_FUNC(efx)) {
+		if (efx_nic_is_dual_func(efx)) {
 			rc = pci_save_state(nic_data->pci_dev2);
 			if (rc) {
 				EFX_ERR(efx, "failed to backup PCI state of "
@@ -2577,7 +2575,7 @@ static int falcon_reset_hw(struct efx_nic *efx, enum reset_type method)
 
 	/* Restore PCI configuration if needed */
 	if (method == RESET_TYPE_WORLD) {
-		if (FALCON_IS_DUAL_FUNC(efx)) {
+		if (efx_nic_is_dual_func(efx)) {
 			rc = pci_restore_state(nic_data->pci_dev2);
 			if (rc) {
 				EFX_ERR(efx, "failed to restore PCI config for "
@@ -2800,16 +2798,22 @@ static int falcon_probe_nvconfig(struct efx_nic *efx)
 	return rc;
 }
 
+u32 efx_nic_fpga_ver(struct efx_nic *efx)
+{
+	efx_oword_t altera_build;
+
+	efx_reado(efx, &altera_build, FR_AZ_ALTERA_BUILD);
+	return EFX_OWORD_FIELD(altera_build, FRF_AZ_ALTERA_BUILD_VER);
+}
+
 /* Probe the NIC variant (revision, ASIC vs FPGA, function count, port
  * count, port speed).  Set workaround and feature flags accordingly.
  */
 static int falcon_probe_nic_variant(struct efx_nic *efx)
 {
-	efx_oword_t altera_build;
 	efx_oword_t nic_stat;
 
-	efx_reado(efx, &altera_build, FR_AZ_ALTERA_BUILD);
-	if (EFX_OWORD_FIELD(altera_build, FRF_AZ_ALTERA_BUILD_VER)) {
+	if (efx_nic_fpga_ver(efx) != 0) {
 		EFX_ERR(efx, "Falcon FPGA not supported\n");
 		return -ENODEV;
 	}
@@ -2893,7 +2897,7 @@ static int falcon_probe_nic(struct efx_nic *efx)
 		goto fail1;
 
 	/* Probe secondary function if expected */
-	if (FALCON_IS_DUAL_FUNC(efx)) {
+	if (efx_nic_is_dual_func(efx)) {
 		struct pci_dev *dev = pci_dev_get(efx->pci_dev);
 
 		while ((dev = pci_get_device(EFX_VENDID_SFC, FALCON_A_S_DEVID,
@@ -2919,7 +2923,7 @@ static int falcon_probe_nic(struct efx_nic *efx)
 	}
 
 	/* Allocate memory for INT_KER */
-	rc = falcon_alloc_buffer(efx, &efx->irq_status, sizeof(efx_oword_t));
+	rc = efx_nic_alloc_buffer(efx, &efx->irq_status, sizeof(efx_oword_t));
 	if (rc)
 		goto fail4;
 	BUG_ON(efx->irq_status.dma_addr & 0x0f);
@@ -2965,7 +2969,7 @@ static int falcon_probe_nic(struct efx_nic *efx)
 	memset(&board->i2c_adap, 0, sizeof(board->i2c_adap));
  fail5:
 	falcon_remove_spi_devices(efx);
-	falcon_free_buffer(efx, &efx->irq_status);
+	efx_nic_free_buffer(efx, &efx->irq_status);
  fail4:
  fail3:
 	if (nic_data->pci_dev2) {
@@ -2988,8 +2992,8 @@ static void falcon_init_rx_cfg(struct efx_nic *efx)
 	const unsigned ctrl_xon_thr = 20;
 	const unsigned ctrl_xoff_thr = 25;
 	/* RX data FIFO thresholds (256-byte units; size varies) */
-	int data_xon_thr = rx_xon_thresh_bytes >> 8;
-	int data_xoff_thr = rx_xoff_thresh_bytes >> 8;
+	int data_xon_thr = efx_nic_rx_xon_thresh >> 8;
+	int data_xoff_thr = efx_nic_rx_xoff_thresh >> 8;
 	efx_oword_t reg;
 
 	efx_reado(efx, &reg, FR_AZ_RX_CFG);
@@ -3027,33 +3031,9 @@ static void falcon_init_rx_cfg(struct efx_nic *efx)
 	efx_writeo(efx, &reg, FR_AZ_RX_CFG);
 }
 
-/* This call performs hardware-specific global initialisation, such as
- * defining the descriptor cache sizes and number of RSS channels.
- * It does not set up any buffers, descriptor rings or event queues.
- */
-static int falcon_init_nic(struct efx_nic *efx)
+void efx_nic_init_common(struct efx_nic *efx)
 {
 	efx_oword_t temp;
-	int rc;
-
-	/* Use on-chip SRAM */
-	efx_reado(efx, &temp, FR_AB_NIC_STAT);
-	EFX_SET_OWORD_FIELD(temp, FRF_AB_ONCHIP_SRAM, 1);
-	efx_writeo(efx, &temp, FR_AB_NIC_STAT);
-
-	/* Set the source of the GMAC clock */
-	if (efx_nic_rev(efx) == EFX_REV_FALCON_B0) {
-		efx_reado(efx, &temp, FR_AB_GPIO_CTL);
-		EFX_SET_OWORD_FIELD(temp, FRF_AB_USE_NIC_CLK, true);
-		efx_writeo(efx, &temp, FR_AB_GPIO_CTL);
-	}
-
-	/* Select the correct MAC */
-	falcon_clock_mac(efx);
-
-	rc = falcon_reset_sram(efx);
-	if (rc)
-		return rc;
 
 	/* Set positions of descriptor caches in SRAM. */
 	EFX_POPULATE_OWORD_1(temp, FRF_AZ_SRM_TX_DC_BASE_ADR,
@@ -3084,15 +3064,6 @@ static int falcon_init_nic(struct efx_nic *efx)
 			     FRF_AZ_INT_ADR_KER, efx->irq_status.dma_addr);
 	efx_writeo(efx, &temp, FR_AZ_INT_ADR_KER);
 
-	/* Clear the parity enables on the TX data fifos as
-	 * they produce false parity errors because of timing issues
-	 */
-	if (EFX_WORKAROUND_5129(efx)) {
-		efx_reado(efx, &temp, FR_AZ_CSR_SPARE);
-		EFX_SET_OWORD_FIELD(temp, FRF_AB_MEM_PERR_EN_TX_DATA, 0);
-		efx_writeo(efx, &temp, FR_AZ_CSR_SPARE);
-	}
-
 	/* Enable all the genuinely fatal interrupts.  (They are still
 	 * masked by the overall interrupt mask, controlled by
 	 * falcon_interrupts()).
@@ -3106,6 +3077,64 @@ static int falcon_init_nic(struct efx_nic *efx)
 	EFX_INVERT_OWORD(temp);
 	efx_writeo(efx, &temp, FR_AZ_FATAL_INTR_KER);
 
+	efx_setup_rss_indir_table(efx);
+
+	/* Disable the ugly timer-based TX DMA backoff and allow TX DMA to be
+	 * controlled by the RX FIFO fill level. Set arbitration to one pkt/Q.
+	 */
+	efx_reado(efx, &temp, FR_AZ_TX_RESERVED);
+	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_RX_SPACER, 0xfe);
+	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_RX_SPACER_EN, 1);
+	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_ONE_PKT_PER_Q, 1);
+	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_PUSH_EN, 0);
+	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_DIS_NON_IP_EV, 1);
+	/* Enable SW_EV to inherit in char driver - assume harmless here */
+	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_SOFT_EVT_EN, 1);
+	/* Prefetch threshold 2 => fetch when descriptor cache half empty */
+	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_PREF_THRESHOLD, 2);
+	/* Squash TX of packets of 16 bytes or less */
+	if (efx_nic_rev(efx) >= EFX_REV_FALCON_B0)
+		EFX_SET_OWORD_FIELD(temp, FRF_BZ_TX_FLUSH_MIN_LEN_EN, 1);
+	efx_writeo(efx, &temp, FR_AZ_TX_RESERVED);
+}
+
+/* This call performs hardware-specific global initialisation, such as
+ * defining the descriptor cache sizes and number of RSS channels.
+ * It does not set up any buffers, descriptor rings or event queues.
+ */
+static int falcon_init_nic(struct efx_nic *efx)
+{
+	efx_oword_t temp;
+	int rc;
+
+	/* Use on-chip SRAM */
+	efx_reado(efx, &temp, FR_AB_NIC_STAT);
+	EFX_SET_OWORD_FIELD(temp, FRF_AB_ONCHIP_SRAM, 1);
+	efx_writeo(efx, &temp, FR_AB_NIC_STAT);
+
+	/* Set the source of the GMAC clock */
+	if (efx_nic_rev(efx) == EFX_REV_FALCON_B0) {
+		efx_reado(efx, &temp, FR_AB_GPIO_CTL);
+		EFX_SET_OWORD_FIELD(temp, FRF_AB_USE_NIC_CLK, true);
+		efx_writeo(efx, &temp, FR_AB_GPIO_CTL);
+	}
+
+	/* Select the correct MAC */
+	falcon_clock_mac(efx);
+
+	rc = falcon_reset_sram(efx);
+	if (rc)
+		return rc;
+
+	/* Clear the parity enables on the TX data fifos as
+	 * they produce false parity errors because of timing issues
+	 */
+	if (EFX_WORKAROUND_5129(efx)) {
+		efx_reado(efx, &temp, FR_AZ_CSR_SPARE);
+		EFX_SET_OWORD_FIELD(temp, FRF_AB_MEM_PERR_EN_TX_DATA, 0);
+		efx_writeo(efx, &temp, FR_AZ_CSR_SPARE);
+	}
+
 	if (EFX_WORKAROUND_7244(efx)) {
 		efx_reado(efx, &temp, FR_BZ_RX_FILTER_CTL);
 		EFX_SET_OWORD_FIELD(temp, FRF_BZ_UDP_FULL_SRCH_LIMIT, 8);
@@ -3115,8 +3144,6 @@ static int falcon_init_nic(struct efx_nic *efx)
 		efx_writeo(efx, &temp, FR_BZ_RX_FILTER_CTL);
 	}
 
-	falcon_setup_rss_indir_table(efx);
-
 	/* XXX This is documented only for Falcon A0/A1 */
 	/* Setup RX.  Wait for descriptor is broken and must
 	 * be disabled.  RXDP recovery shouldn't be needed, but is.
@@ -3128,24 +3155,6 @@ static int falcon_init_nic(struct efx_nic *efx)
 		EFX_SET_OWORD_FIELD(temp, FRF_AA_RX_ISCSI_DIS, 1);
 	efx_writeo(efx, &temp, FR_AA_RX_SELF_RST);
 
-	/* Disable the ugly timer-based TX DMA backoff and allow TX DMA to be
-	 * controlled by the RX FIFO fill level. Set arbitration to one pkt/Q.
-	 */
-	efx_reado(efx, &temp, FR_AZ_TX_RESERVED);
-	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_RX_SPACER, 0xfe);
-	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_RX_SPACER_EN, 1);
-	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_ONE_PKT_PER_Q, 1);
-	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_PUSH_EN, 0);
-	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_DIS_NON_IP_EV, 1);
-	/* Enable SW_EV to inherit in char driver - assume harmless here */
-	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_SOFT_EVT_EN, 1);
-	/* Prefetch threshold 2 => fetch when descriptor cache half empty */
-	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_PREF_THRESHOLD, 2);
-	/* Squash TX of packets of 16 bytes or less */
-	if (efx_nic_rev(efx) >= EFX_REV_FALCON_B0)
-		EFX_SET_OWORD_FIELD(temp, FRF_BZ_TX_FLUSH_MIN_LEN_EN, 1);
-	efx_writeo(efx, &temp, FR_AZ_TX_RESERVED);
-
 	/* Do not enable TX_NO_EOP_DISC_EN, since it limits packets to 16
 	 * descriptors (which is bad).
 	 */
@@ -3161,6 +3170,8 @@ static int falcon_init_nic(struct efx_nic *efx)
 		efx_writeo(efx, &temp, FR_BZ_DP_CTRL);
 	}
 
+	efx_nic_init_common(efx);
+
 	return 0;
 }
 
@@ -3178,7 +3189,7 @@ static void falcon_remove_nic(struct efx_nic *efx)
 	memset(&board->i2c_adap, 0, sizeof(board->i2c_adap));
 
 	falcon_remove_spi_devices(efx);
-	falcon_free_buffer(efx, &efx->irq_status);
+	efx_nic_free_buffer(efx, &efx->irq_status);
 
 	falcon_reset_hw(efx, RESET_TYPE_ALL);
 
diff --git a/drivers/net/sfc/falcon.h b/drivers/net/sfc/falcon.h
index 464c2747260..875b58e94e8 100644
--- a/drivers/net/sfc/falcon.h
+++ b/drivers/net/sfc/falcon.h
@@ -30,6 +30,14 @@ static inline int efx_nic_rev(struct efx_nic *efx)
 	return efx->type->revision;
 }
 
+extern u32 efx_nic_fpga_ver(struct efx_nic *efx);
+
+/* NIC has two interlinked PCI functions for the same port. */
+static inline bool efx_nic_is_dual_func(struct efx_nic *efx)
+{
+	return efx_nic_rev(efx) < EFX_REV_FALCON_B0;
+}
+
 /**
  * struct falcon_board_type - board operations and type information
  * @id: Board type id, as found in NVRAM
@@ -108,49 +116,65 @@ extern struct efx_nic_type falcon_b0_nic_type;
 extern void falcon_probe_board(struct efx_nic *efx, u16 revision_info);
 
 /* TX data path */
-extern int falcon_probe_tx(struct efx_tx_queue *tx_queue);
-extern void falcon_init_tx(struct efx_tx_queue *tx_queue);
-extern void falcon_fini_tx(struct efx_tx_queue *tx_queue);
-extern void falcon_remove_tx(struct efx_tx_queue *tx_queue);
-extern void falcon_push_buffers(struct efx_tx_queue *tx_queue);
+extern int efx_nic_probe_tx(struct efx_tx_queue *tx_queue);
+extern void efx_nic_init_tx(struct efx_tx_queue *tx_queue);
+extern void efx_nic_fini_tx(struct efx_tx_queue *tx_queue);
+extern void efx_nic_remove_tx(struct efx_tx_queue *tx_queue);
+extern void efx_nic_push_buffers(struct efx_tx_queue *tx_queue);
 
 /* RX data path */
-extern int falcon_probe_rx(struct efx_rx_queue *rx_queue);
-extern void falcon_init_rx(struct efx_rx_queue *rx_queue);
-extern void falcon_fini_rx(struct efx_rx_queue *rx_queue);
-extern void falcon_remove_rx(struct efx_rx_queue *rx_queue);
-extern void falcon_notify_rx_desc(struct efx_rx_queue *rx_queue);
+extern int efx_nic_probe_rx(struct efx_rx_queue *rx_queue);
+extern void efx_nic_init_rx(struct efx_rx_queue *rx_queue);
+extern void efx_nic_fini_rx(struct efx_rx_queue *rx_queue);
+extern void efx_nic_remove_rx(struct efx_rx_queue *rx_queue);
+extern void efx_nic_notify_rx_desc(struct efx_rx_queue *rx_queue);
 
 /* Event data path */
-extern int falcon_probe_eventq(struct efx_channel *channel);
-extern void falcon_init_eventq(struct efx_channel *channel);
-extern void falcon_fini_eventq(struct efx_channel *channel);
-extern void falcon_remove_eventq(struct efx_channel *channel);
-extern int falcon_process_eventq(struct efx_channel *channel, int rx_quota);
-extern void falcon_eventq_read_ack(struct efx_channel *channel);
+extern int efx_nic_probe_eventq(struct efx_channel *channel);
+extern void efx_nic_init_eventq(struct efx_channel *channel);
+extern void efx_nic_fini_eventq(struct efx_channel *channel);
+extern void efx_nic_remove_eventq(struct efx_channel *channel);
+extern int efx_nic_process_eventq(struct efx_channel *channel, int rx_quota);
+extern void efx_nic_eventq_read_ack(struct efx_channel *channel);
 
 /* MAC/PHY */
 extern void falcon_drain_tx_fifo(struct efx_nic *efx);
 extern void falcon_reconfigure_mac_wrapper(struct efx_nic *efx);
+extern int efx_nic_rx_xoff_thresh, efx_nic_rx_xon_thresh;
 
 /* Interrupts and test events */
-extern int falcon_init_interrupt(struct efx_nic *efx);
-extern void falcon_enable_interrupts(struct efx_nic *efx);
-extern void falcon_generate_test_event(struct efx_channel *channel,
-				       unsigned int magic);
-extern void falcon_generate_interrupt(struct efx_nic *efx);
-extern void falcon_disable_interrupts(struct efx_nic *efx);
-extern void falcon_fini_interrupt(struct efx_nic *efx);
-
-#define FALCON_IRQ_MOD_RESOLUTION 5
+extern int efx_nic_init_interrupt(struct efx_nic *efx);
+extern void efx_nic_enable_interrupts(struct efx_nic *efx);
+extern void efx_nic_generate_test_event(struct efx_channel *channel,
+					unsigned int magic);
+extern void efx_nic_generate_interrupt(struct efx_nic *efx);
+extern void efx_nic_disable_interrupts(struct efx_nic *efx);
+extern void efx_nic_fini_interrupt(struct efx_nic *efx);
+extern irqreturn_t efx_nic_fatal_interrupt(struct efx_nic *efx);
+extern irqreturn_t falcon_legacy_interrupt_a1(int irq, void *dev_id);
+extern void falcon_irq_ack_a1(struct efx_nic *efx);
+
+#define EFX_IRQ_MOD_RESOLUTION 5
 
 /* Global Resources */
-extern int falcon_flush_queues(struct efx_nic *efx);
+extern int efx_nic_flush_queues(struct efx_nic *efx);
 extern void falcon_start_nic_stats(struct efx_nic *efx);
 extern void falcon_stop_nic_stats(struct efx_nic *efx);
 extern int falcon_reset_xaui(struct efx_nic *efx);
+extern void efx_nic_init_common(struct efx_nic *efx);
+
+int efx_nic_alloc_buffer(struct efx_nic *efx, struct efx_buffer *buffer,
+			 unsigned int len);
+void efx_nic_free_buffer(struct efx_nic *efx, struct efx_buffer *buffer);
 
 /* Tests */
+struct efx_nic_register_test {
+	unsigned address;
+	efx_oword_t mask;
+};
+extern int efx_nic_test_registers(struct efx_nic *efx,
+				  const struct efx_nic_register_test *regs,
+				  size_t n_regs);
 
 /**************************************************************************
  *
@@ -186,8 +210,8 @@ extern int falcon_reset_xaui(struct efx_nic *efx);
 #define MAC_DATA_LBN 0
 #define MAC_DATA_WIDTH 32
 
-extern void falcon_generate_event(struct efx_channel *channel,
-				  efx_qword_t *event);
+extern void efx_nic_generate_event(struct efx_channel *channel,
+				   efx_qword_t *event);
 
 extern void falcon_poll_xmac(struct efx_nic *efx);
 
diff --git a/drivers/net/sfc/rx.c b/drivers/net/sfc/rx.c
index accf055ff89..8fffd379294 100644
--- a/drivers/net/sfc/rx.c
+++ b/drivers/net/sfc/rx.c
@@ -341,7 +341,7 @@ static int __efx_fast_push_rx_descriptors(struct efx_rx_queue *rx_queue,
 
  out:
 	/* Send write pointer to card. */
-	falcon_notify_rx_desc(rx_queue);
+	efx_nic_notify_rx_desc(rx_queue);
 
 	/* If the fast fill is running inside from the refill tasklet, then
 	 * for SMP systems it may be running on a different CPU to
@@ -640,7 +640,7 @@ int efx_probe_rx_queue(struct efx_rx_queue *rx_queue)
 	if (!rx_queue->buffer)
 		return -ENOMEM;
 
-	rc = falcon_probe_rx(rx_queue);
+	rc = efx_nic_probe_rx(rx_queue);
 	if (rc) {
 		kfree(rx_queue->buffer);
 		rx_queue->buffer = NULL;
@@ -671,7 +671,7 @@ void efx_init_rx_queue(struct efx_rx_queue *rx_queue)
 	rx_queue->fast_fill_limit = limit;
 
 	/* Set up RX descriptor ring */
-	falcon_init_rx(rx_queue);
+	efx_nic_init_rx(rx_queue);
 }
 
 void efx_fini_rx_queue(struct efx_rx_queue *rx_queue)
@@ -681,7 +681,7 @@ void efx_fini_rx_queue(struct efx_rx_queue *rx_queue)
 
 	EFX_LOG(rx_queue->efx, "shutting down RX queue %d\n", rx_queue->queue);
 
-	falcon_fini_rx(rx_queue);
+	efx_nic_fini_rx(rx_queue);
 
 	/* Release RX buffers NB start at index 0 not current HW ptr */
 	if (rx_queue->buffer) {
@@ -706,7 +706,7 @@ void efx_remove_rx_queue(struct efx_rx_queue *rx_queue)
 {
 	EFX_LOG(rx_queue->efx, "destroying RX queue %d\n", rx_queue->queue);
 
-	falcon_remove_rx(rx_queue);
+	efx_nic_remove_rx(rx_queue);
 
 	kfree(rx_queue->buffer);
 	rx_queue->buffer = NULL;
diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c
index fa56e2e8e9c..9a240536deb 100644
--- a/drivers/net/sfc/selftest.c
+++ b/drivers/net/sfc/selftest.c
@@ -164,7 +164,7 @@ static int efx_test_interrupts(struct efx_nic *efx,
 			goto success;
 	}
 
-	falcon_generate_interrupt(efx);
+	efx_nic_generate_interrupt(efx);
 
 	/* Wait for arrival of test interrupt. */
 	EFX_LOG(efx, "waiting for test interrupt\n");
@@ -202,7 +202,7 @@ static int efx_test_eventq_irq(struct efx_channel *channel,
 	channel->eventq_magic = 0;
 	smp_wmb();
 
-	falcon_generate_test_event(channel, magic);
+	efx_nic_generate_test_event(channel, magic);
 
 	/* Wait for arrival of interrupt */
 	count = 0;
diff --git a/drivers/net/sfc/tx.c b/drivers/net/sfc/tx.c
index c54fa30e627..2531d0207b9 100644
--- a/drivers/net/sfc/tx.c
+++ b/drivers/net/sfc/tx.c
@@ -278,7 +278,7 @@ netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue, struct sk_buff *skb)
 	buffer->continuation = false;
 
 	/* Pass off to hardware */
-	falcon_push_buffers(tx_queue);
+	efx_nic_push_buffers(tx_queue);
 
 	return NETDEV_TX_OK;
 
@@ -426,7 +426,7 @@ int efx_probe_tx_queue(struct efx_tx_queue *tx_queue)
 		tx_queue->buffer[i].continuation = true;
 
 	/* Allocate hardware ring */
-	rc = falcon_probe_tx(tx_queue);
+	rc = efx_nic_probe_tx(tx_queue);
 	if (rc)
 		goto fail;
 
@@ -449,7 +449,7 @@ void efx_init_tx_queue(struct efx_tx_queue *tx_queue)
 	BUG_ON(tx_queue->stopped);
 
 	/* Set up TX descriptor ring */
-	falcon_init_tx(tx_queue);
+	efx_nic_init_tx(tx_queue);
 }
 
 void efx_release_tx_buffers(struct efx_tx_queue *tx_queue)
@@ -475,7 +475,7 @@ void efx_fini_tx_queue(struct efx_tx_queue *tx_queue)
 	EFX_LOG(tx_queue->efx, "shutting down TX queue %d\n", tx_queue->queue);
 
 	/* Flush TX queue, remove descriptor ring */
-	falcon_fini_tx(tx_queue);
+	efx_nic_fini_tx(tx_queue);
 
 	efx_release_tx_buffers(tx_queue);
 
@@ -492,7 +492,7 @@ void efx_fini_tx_queue(struct efx_tx_queue *tx_queue)
 void efx_remove_tx_queue(struct efx_tx_queue *tx_queue)
 {
 	EFX_LOG(tx_queue->efx, "destroying TX queue %d\n", tx_queue->queue);
-	falcon_remove_tx(tx_queue);
+	efx_nic_remove_tx(tx_queue);
 
 	kfree(tx_queue->buffer);
 	tx_queue->buffer = NULL;
@@ -1078,7 +1078,7 @@ static int efx_enqueue_skb_tso(struct efx_tx_queue *tx_queue,
 	}
 
 	/* Pass off to hardware */
-	falcon_push_buffers(tx_queue);
+	efx_nic_push_buffers(tx_queue);
 
 	tx_queue->tso_bursts++;
 	return NETDEV_TX_OK;
-- 
GitLab


From f64f9e719261a87818dd192a3a2352e5b20fbd0f Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Sun, 29 Nov 2009 16:55:45 -0800
Subject: [PATCH 1637/1815] net: Move && and || to end of previous line

Not including net/atm/

Compiled tested x86 allyesconfig only
Added a > 80 column line or two, which I ignored.
Existing checkpatch plaints willfully, cheerfully ignored.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/9p/trans_fd.c                       |  4 ++--
 net/bluetooth/l2cap.c                   | 20 +++++++++---------
 net/bridge/br_fdb.c                     |  4 ++--
 net/bridge/br_sysfs_br.c                |  6 +++---
 net/bridge/netfilter/ebt_stp.c          |  4 ++--
 net/can/af_can.c                        |  8 +++----
 net/core/dev.c                          |  7 ++++---
 net/core/pktgen.c                       |  5 ++---
 net/dcb/dcbnl.c                         |  4 ++--
 net/decnet/dn_table.c                   |  5 +++--
 net/ipv4/igmp.c                         |  5 +++--
 net/ipv4/netfilter.c                    |  8 +++----
 net/irda/irnet/irnet_irda.c             |  4 ++--
 net/mac80211/agg-rx.c                   |  6 +++---
 net/mac80211/main.c                     |  4 ++--
 net/mac80211/mesh.c                     |  4 ++--
 net/mac80211/mesh_hwmp.c                | 15 +++++++------
 net/mac80211/rx.c                       |  4 ++--
 net/mac80211/tx.c                       |  9 ++++----
 net/netfilter/nf_conntrack_expect.c     |  6 +++---
 net/netfilter/nf_conntrack_ftp.c        |  8 +++----
 net/packet/af_packet.c                  |  7 ++++---
 net/phonet/pep.c                        |  4 ++--
 net/phonet/socket.c                     |  4 ++--
 net/rds/af_rds.c                        |  8 +++----
 net/rds/connection.c                    |  6 ++----
 net/rds/ib_cm.c                         |  4 ++--
 net/rds/ib_rdma.c                       |  4 ++--
 net/rds/ib_recv.c                       | 12 +++++------
 net/rds/ib_send.c                       |  4 ++--
 net/rds/iw_rdma.c                       |  4 ++--
 net/rds/iw_recv.c                       | 12 +++++------
 net/rds/iw_send.c                       |  7 +++----
 net/rds/message.c                       |  3 +--
 net/rds/rdma.c                          | 12 +++++------
 net/rds/recv.c                          | 11 +++++-----
 net/rds/send.c                          | 27 ++++++++++++------------
 net/rds/threads.c                       |  4 ++--
 net/rose/rose_route.c                   | 10 +++++----
 net/sched/cls_rsvp.h                    | 28 +++++++++++++------------
 net/sched/sch_htb.c                     |  4 ++--
 net/sched/sch_netem.c                   | 12 +++++------
 net/sched/sch_teql.c                    | 11 ++++++----
 net/sctp/outqueue.c                     |  4 ++--
 net/sctp/socket.c                       |  4 ++--
 net/sunrpc/auth.c                       |  6 +++---
 net/sunrpc/auth_gss/gss_krb5_seqnum.c   |  4 ++--
 net/sunrpc/auth_gss/svcauth_gss.c       |  4 ++--
 net/sunrpc/cache.c                      |  5 ++---
 net/sunrpc/svc.c                        |  5 +++--
 net/sunrpc/svc_xprt.c                   |  8 +++----
 net/sunrpc/svcauth.c                    |  4 ++--
 net/sunrpc/svcauth_unix.c               |  4 ++--
 net/sunrpc/xprtrdma/svc_rdma_recvfrom.c |  7 +++----
 net/sunrpc/xprtrdma/verbs.c             |  4 ++--
 net/tipc/cluster.c                      | 16 +++++++-------
 net/tipc/link.c                         | 12 +++++------
 net/tipc/socket.c                       | 12 +++++------
 net/tipc/subscr.c                       |  6 +++---
 net/unix/af_unix.c                      |  8 +++----
 net/wimax/op-rfkill.c                   |  8 +++----
 net/wireless/scan.c                     |  4 ++--
 net/wireless/wext-core.c                |  5 +++--
 63 files changed, 235 insertions(+), 233 deletions(-)

diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index 8d934dd7fd5..4dd873e3a1b 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -633,8 +633,8 @@ static void p9_poll_mux(struct p9_conn *m)
 	if (n & POLLOUT) {
 		set_bit(Wpending, &m->wsched);
 		P9_DPRINTK(P9_DEBUG_TRANS, "mux %p can write\n", m);
-		if ((m->wsize || !list_empty(&m->unsent_req_list))
-		    && !test_and_set_bit(Wworksched, &m->wsched)) {
+		if ((m->wsize || !list_empty(&m->unsent_req_list)) &&
+		    !test_and_set_bit(Wworksched, &m->wsched)) {
 			P9_DPRINTK(P9_DEBUG_TRANS, "sched write work %p\n", m);
 			queue_work(p9_mux_wq, &m->wq);
 		}
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 80d929842f0..54992f78230 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -1362,8 +1362,8 @@ static int l2cap_ertm_send(struct sock *sk)
 	if (pi->conn_state & L2CAP_CONN_WAIT_F)
 		return 0;
 
-	while ((skb = sk->sk_send_head) && (!l2cap_tx_window_full(sk))
-			&& !(pi->conn_state & L2CAP_CONN_REMOTE_BUSY)) {
+	while ((skb = sk->sk_send_head) && (!l2cap_tx_window_full(sk)) &&
+	       !(pi->conn_state & L2CAP_CONN_REMOTE_BUSY)) {
 		tx_skb = skb_clone(skb, GFP_ATOMIC);
 
 		if (pi->remote_max_tx &&
@@ -1604,8 +1604,8 @@ static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock, struct ms
 		return -EOPNOTSUPP;
 
 	/* Check outgoing MTU */
-	if (sk->sk_type == SOCK_SEQPACKET && pi->mode == L2CAP_MODE_BASIC
-			&& len > pi->omtu)
+	if (sk->sk_type == SOCK_SEQPACKET && pi->mode == L2CAP_MODE_BASIC &&
+	    len > pi->omtu)
 		return -EINVAL;
 
 	lock_sock(sk);
@@ -2756,8 +2756,8 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
 		goto unlock;
 
 	if (l2cap_pi(sk)->conf_state & L2CAP_CONF_INPUT_DONE) {
-		if (!(l2cap_pi(sk)->conf_state & L2CAP_CONF_NO_FCS_RECV)
-				|| l2cap_pi(sk)->fcs != L2CAP_FCS_NONE)
+		if (!(l2cap_pi(sk)->conf_state & L2CAP_CONF_NO_FCS_RECV) ||
+		    l2cap_pi(sk)->fcs != L2CAP_FCS_NONE)
 			l2cap_pi(sk)->fcs = L2CAP_FCS_CRC16;
 
 		sk->sk_state = BT_CONNECTED;
@@ -2845,8 +2845,8 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr
 	l2cap_pi(sk)->conf_state |= L2CAP_CONF_INPUT_DONE;
 
 	if (l2cap_pi(sk)->conf_state & L2CAP_CONF_OUTPUT_DONE) {
-		if (!(l2cap_pi(sk)->conf_state & L2CAP_CONF_NO_FCS_RECV)
-				|| l2cap_pi(sk)->fcs != L2CAP_FCS_NONE)
+		if (!(l2cap_pi(sk)->conf_state & L2CAP_CONF_NO_FCS_RECV) ||
+		    l2cap_pi(sk)->fcs != L2CAP_FCS_NONE)
 			l2cap_pi(sk)->fcs = L2CAP_FCS_CRC16;
 
 		sk->sk_state = BT_CONNECTED;
@@ -3388,8 +3388,8 @@ static inline int l2cap_data_channel_sframe(struct sock *sk, u16 rx_control, str
 			pi->expected_ack_seq = tx_seq;
 			l2cap_drop_acked_frames(sk);
 
-			if ((pi->conn_state & L2CAP_CONN_REMOTE_BUSY)
-					&& (pi->unacked_frames > 0))
+			if ((pi->conn_state & L2CAP_CONN_REMOTE_BUSY) &&
+			    (pi->unacked_frames > 0))
 				__mod_retrans_timer();
 
 			l2cap_ertm_send(sk);
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index 57bf05c353b..3b8e038ab32 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -60,8 +60,8 @@ static inline unsigned long hold_time(const struct net_bridge *br)
 static inline int has_expired(const struct net_bridge *br,
 				  const struct net_bridge_fdb_entry *fdb)
 {
-	return !fdb->is_static
-		&& time_before_eq(fdb->ageing_timer + hold_time(br), jiffies);
+	return !fdb->is_static &&
+		time_before_eq(fdb->ageing_timer + hold_time(br), jiffies);
 }
 
 static inline int br_mac_hash(const unsigned char *mac)
diff --git a/net/bridge/br_sysfs_br.c b/net/bridge/br_sysfs_br.c
index ee4820aa184..bee4f300d0c 100644
--- a/net/bridge/br_sysfs_br.c
+++ b/net/bridge/br_sysfs_br.c
@@ -316,9 +316,9 @@ static ssize_t store_group_addr(struct device *d,
 	if (new_addr[5] & ~0xf)
 		return -EINVAL;
 
-	if (new_addr[5] == 1 	/* 802.3x Pause address */
-	    || new_addr[5] == 2 /* 802.3ad Slow protocols */
-	    || new_addr[5] == 3) /* 802.1X PAE address */
+	if (new_addr[5] == 1 ||		/* 802.3x Pause address */
+	    new_addr[5] == 2 ||		/* 802.3ad Slow protocols */
+	    new_addr[5] == 3)		/* 802.1X PAE address */
 		return -EINVAL;
 
 	spin_lock_bh(&br->lock);
diff --git a/net/bridge/netfilter/ebt_stp.c b/net/bridge/netfilter/ebt_stp.c
index 48527e62162..75e29a9cebd 100644
--- a/net/bridge/netfilter/ebt_stp.c
+++ b/net/bridge/netfilter/ebt_stp.c
@@ -135,8 +135,8 @@ ebt_stp_mt(const struct sk_buff *skb, const struct xt_match_param *par)
 	if (memcmp(sp, header, sizeof(header)))
 		return false;
 
-	if (info->bitmask & EBT_STP_TYPE
-	    && FWINV(info->type != sp->type, EBT_STP_TYPE))
+	if (info->bitmask & EBT_STP_TYPE &&
+	    FWINV(info->type != sp->type, EBT_STP_TYPE))
 		return false;
 
 	if (sp->type == BPDU_TYPE_CONFIG &&
diff --git a/net/can/af_can.c b/net/can/af_can.c
index f3067172886..51adc4c2b86 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -375,8 +375,8 @@ static struct hlist_head *find_rcv_list(canid_t *can_id, canid_t *mask,
 		return &d->rx[RX_ALL];
 
 	/* extra filterlists for the subscription of a single non-RTR can_id */
-	if (((*mask & CAN_EFF_RTR_FLAGS) == CAN_EFF_RTR_FLAGS)
-	    && !(*can_id & CAN_RTR_FLAG)) {
+	if (((*mask & CAN_EFF_RTR_FLAGS) == CAN_EFF_RTR_FLAGS) &&
+	    !(*can_id & CAN_RTR_FLAG)) {
 
 		if (*can_id & CAN_EFF_FLAG) {
 			if (*mask == (CAN_EFF_MASK | CAN_EFF_RTR_FLAGS)) {
@@ -525,8 +525,8 @@ void can_rx_unregister(struct net_device *dev, canid_t can_id, canid_t mask,
 	 */
 
 	hlist_for_each_entry_rcu(r, next, rl, list) {
-		if (r->can_id == can_id && r->mask == mask
-		    && r->func == func && r->data == data)
+		if (r->can_id == can_id && r->mask == mask &&
+		    r->func == func && r->data == data)
 			break;
 	}
 
diff --git a/net/core/dev.c b/net/core/dev.c
index 7775e8b48de..5d131c2f84c 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2677,9 +2677,10 @@ __napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
 		return GRO_NORMAL;
 
 	for (p = napi->gro_list; p; p = p->next) {
-		NAPI_GRO_CB(p)->same_flow = (p->dev == skb->dev)
-			&& !compare_ether_header(skb_mac_header(p),
-						 skb_gro_mac_header(skb));
+		NAPI_GRO_CB(p)->same_flow =
+			(p->dev == skb->dev) &&
+			!compare_ether_header(skb_mac_header(p),
+					      skb_gro_mac_header(skb));
 		NAPI_GRO_CB(p)->flush = 0;
 	}
 
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 19ee493ec17..a23b45f08ec 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -2052,9 +2052,8 @@ static void pktgen_setup_inject(struct pktgen_dev *pkt_dev)
 				read_lock_bh(&idev->lock);
 				for (ifp = idev->addr_list; ifp;
 				     ifp = ifp->if_next) {
-					if (ifp->scope == IFA_LINK
-					    && !(ifp->
-						 flags & IFA_F_TENTATIVE)) {
+					if (ifp->scope == IFA_LINK &&
+					    !(ifp->flags & IFA_F_TENTATIVE)) {
 						ipv6_addr_copy(&pkt_dev->
 							       cur_in6_saddr,
 							       &ifp->addr);
diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c
index 2afd617104d..db9f5b39388 100644
--- a/net/dcb/dcbnl.c
+++ b/net/dcb/dcbnl.c
@@ -1085,8 +1085,8 @@ static int dcbnl_bcn_setcfg(struct net_device *netdev, struct nlattr **tb,
 	u8 value_byte;
 	u32 value_int;
 
-	if (!tb[DCB_ATTR_BCN] || !netdev->dcbnl_ops->setbcncfg
-	    || !netdev->dcbnl_ops->setbcnrp)
+	if (!tb[DCB_ATTR_BCN] || !netdev->dcbnl_ops->setbcncfg ||
+	    !netdev->dcbnl_ops->setbcnrp)
 		return ret;
 
 	ret = nla_parse_nested(data, DCB_BCN_ATTR_MAX,
diff --git a/net/decnet/dn_table.c b/net/decnet/dn_table.c
index f281e0f59b0..b9a33bb5e9c 100644
--- a/net/decnet/dn_table.c
+++ b/net/decnet/dn_table.c
@@ -581,8 +581,9 @@ static int dn_fib_table_insert(struct dn_fib_table *tb, struct rtmsg *r, struct
 		DN_FIB_SCAN_KEY(f, fp, key) {
 			if (fi->fib_priority != DN_FIB_INFO(f)->fib_priority)
 				break;
-			if (f->fn_type == type && f->fn_scope == r->rtm_scope
-					&& DN_FIB_INFO(f) == fi)
+			if (f->fn_type == type &&
+			    f->fn_scope == r->rtm_scope &&
+			    DN_FIB_INFO(f) == fi)
 				goto out;
 		}
 
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 6110c6d6e61..76c08402c93 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -1899,8 +1899,9 @@ int ip_mc_source(int add, int omode, struct sock *sk, struct
 	err = -EADDRNOTAVAIL;
 
 	for (pmc=inet->mc_list; pmc; pmc=pmc->next) {
-		if (pmc->multi.imr_multiaddr.s_addr == imr.imr_multiaddr.s_addr
-		    && pmc->multi.imr_ifindex == imr.imr_ifindex)
+		if ((pmc->multi.imr_multiaddr.s_addr ==
+		     imr.imr_multiaddr.s_addr) &&
+		    (pmc->multi.imr_ifindex == imr.imr_ifindex))
 			break;
 	}
 	if (!pmc) {		/* must have a prior join */
diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c
index 1725dc0ef68..f53cb8df418 100644
--- a/net/ipv4/netfilter.c
+++ b/net/ipv4/netfilter.c
@@ -155,10 +155,10 @@ static int nf_ip_reroute(struct sk_buff *skb,
 	if (entry->hook == NF_INET_LOCAL_OUT) {
 		const struct iphdr *iph = ip_hdr(skb);
 
-		if (!(iph->tos == rt_info->tos
-		      && skb->mark == rt_info->mark
-		      && iph->daddr == rt_info->daddr
-		      && iph->saddr == rt_info->saddr))
+		if (!(iph->tos == rt_info->tos &&
+		      skb->mark == rt_info->mark &&
+		      iph->daddr == rt_info->daddr &&
+		      iph->saddr == rt_info->saddr))
 			return ip_route_me_harder(skb, RTN_UNSPEC);
 	}
 	return 0;
diff --git a/net/irda/irnet/irnet_irda.c b/net/irda/irnet/irnet_irda.c
index cccc2e93234..b26dee784ab 100644
--- a/net/irda/irnet/irnet_irda.c
+++ b/net/irda/irnet/irnet_irda.c
@@ -1403,8 +1403,8 @@ irnet_connect_indication(void *		instance,
   /* Socket already connecting ? On primary ? */
   if(0
 #ifdef ALLOW_SIMULT_CONNECT
-     || ((irttp_is_primary(server->tsap) == 1)	/* primary */
-	 && (test_and_clear_bit(0, &new->ttp_connect)))
+     || ((irttp_is_primary(server->tsap) == 1) &&	/* primary */
+	 (test_and_clear_bit(0, &new->ttp_connect)))
 #endif /* ALLOW_SIMULT_CONNECT */
      )
     {
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index 7ed5fe66473..614c65d62ae 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -211,9 +211,9 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
 	 * check if configuration can support the BA policy
 	 * and if buffer size does not exceeds max value */
 	/* XXX: check own ht delayed BA capability?? */
-	if (((ba_policy != 1)
-		&& (!(sta->sta.ht_cap.cap & IEEE80211_HT_CAP_DELAY_BA)))
-		|| (buf_size > IEEE80211_MAX_AMPDU_BUF)) {
+	if (((ba_policy != 1) &&
+	     (!(sta->sta.ht_cap.cap & IEEE80211_HT_CAP_DELAY_BA))) ||
+	    (buf_size > IEEE80211_MAX_AMPDU_BUF)) {
 		status = WLAN_STATUS_INVALID_QOS_PARAM;
 #ifdef CONFIG_MAC80211_HT_DEBUG
 		if (net_ratelimit())
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index dd8ec8d5e8b..8116d1a96a4 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -631,8 +631,8 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
 	sta_info_stop(local);
 	rate_control_deinitialize(local);
 
-	if (skb_queue_len(&local->skb_queue)
-			|| skb_queue_len(&local->skb_queue_unreliable))
+	if (skb_queue_len(&local->skb_queue) ||
+	    skb_queue_len(&local->skb_queue_unreliable))
 		printk(KERN_WARNING "%s: skb_queue not empty\n",
 		       wiphy_name(local->hw.wiphy));
 	skb_queue_purge(&local->skb_queue);
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 51adb111521..c0fe46493f7 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -195,8 +195,8 @@ int mesh_rmc_check(u8 *sa, struct ieee80211s_hdr *mesh_hdr,
 			list_del(&p->list);
 			kmem_cache_free(rm_cache, p);
 			--entries;
-		} else if ((seqnum == p->seqnum)
-				&& (memcmp(sa, p->sa, ETH_ALEN) == 0))
+		} else if ((seqnum == p->seqnum) &&
+			   (memcmp(sa, p->sa, ETH_ALEN) == 0))
 			return -1;
 	}
 
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 9aecf0207af..833b2f3670c 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -936,17 +936,16 @@ int mesh_nexthop_lookup(struct sk_buff *skb,
 	}
 
 	if (mpath->flags & MESH_PATH_ACTIVE) {
-		if (time_after(jiffies, mpath->exp_time +
-			msecs_to_jiffies(sdata->u.mesh.mshcfg.path_refresh_time))
-				&& !memcmp(sdata->dev->dev_addr, hdr->addr4,
-					   ETH_ALEN)
-				&& !(mpath->flags & MESH_PATH_RESOLVING)
-				&& !(mpath->flags & MESH_PATH_FIXED)) {
+		if (time_after(jiffies,
+			       mpath->exp_time +
+			       msecs_to_jiffies(sdata->u.mesh.mshcfg.path_refresh_time)) &&
+		    !memcmp(sdata->dev->dev_addr, hdr->addr4, ETH_ALEN) &&
+		    !(mpath->flags & MESH_PATH_RESOLVING) &&
+		    !(mpath->flags & MESH_PATH_FIXED)) {
 			mesh_queue_preq(mpath,
 					PREQ_Q_F_START | PREQ_Q_F_REFRESH);
 		}
-		memcpy(hdr->addr1, mpath->next_hop->sta.addr,
-				ETH_ALEN);
+		memcpy(hdr->addr1, mpath->next_hop->sta.addr, ETH_ALEN);
 	} else {
 		struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 		if (!(mpath->flags & MESH_PATH_RESOLVING)) {
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 96f13ad05d3..beecf50fbd1 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1168,8 +1168,8 @@ ieee80211_drop_unencrypted(struct ieee80211_rx_data *rx, __le16 fc)
 			     rx->key))
 			return -EACCES;
 		/* BIP does not use Protected field, so need to check MMIE */
-		if (unlikely(ieee80211_is_multicast_robust_mgmt_frame(rx->skb)
-			     && ieee80211_get_mmie_keyidx(rx->skb) < 0 &&
+		if (unlikely(ieee80211_is_multicast_robust_mgmt_frame(rx->skb) &&
+			     ieee80211_get_mmie_keyidx(rx->skb) < 0 &&
 			     rx->key))
 			return -EACCES;
 		/*
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 943def2b07d..8834cc93c71 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -366,10 +366,11 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data;
 	u32 staflags;
 
-	if (unlikely(!sta || ieee80211_is_probe_resp(hdr->frame_control)
-			|| ieee80211_is_auth(hdr->frame_control)
-			|| ieee80211_is_assoc_resp(hdr->frame_control)
-			|| ieee80211_is_reassoc_resp(hdr->frame_control)))
+	if (unlikely(!sta ||
+		     ieee80211_is_probe_resp(hdr->frame_control) ||
+		     ieee80211_is_auth(hdr->frame_control) ||
+		     ieee80211_is_assoc_resp(hdr->frame_control) ||
+		     ieee80211_is_reassoc_resp(hdr->frame_control)))
 		return TX_CONTINUE;
 
 	staflags = get_sta_flags(sta);
diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c
index 2032dfe25ca..fdf5d2a1d9b 100644
--- a/net/netfilter/nf_conntrack_expect.c
+++ b/net/netfilter/nf_conntrack_expect.c
@@ -202,9 +202,9 @@ static inline int expect_clash(const struct nf_conntrack_expect *a,
 static inline int expect_matches(const struct nf_conntrack_expect *a,
 				 const struct nf_conntrack_expect *b)
 {
-	return a->master == b->master && a->class == b->class
-		&& nf_ct_tuple_equal(&a->tuple, &b->tuple)
-		&& nf_ct_tuple_mask_equal(&a->mask, &b->mask);
+	return a->master == b->master && a->class == b->class &&
+		nf_ct_tuple_equal(&a->tuple, &b->tuple) &&
+		nf_ct_tuple_mask_equal(&a->mask, &b->mask);
 }
 
 /* Generally a bad idea to call this: could have matched already. */
diff --git a/net/netfilter/nf_conntrack_ftp.c b/net/netfilter/nf_conntrack_ftp.c
index 5509dd1f14c..38ea7ef3ccd 100644
--- a/net/netfilter/nf_conntrack_ftp.c
+++ b/net/netfilter/nf_conntrack_ftp.c
@@ -243,8 +243,8 @@ static int try_epsv_response(const char *data, size_t dlen,
 	/* Three delimiters. */
 	if (dlen <= 3) return 0;
 	delim = data[0];
-	if (isdigit(delim) || delim < 33 || delim > 126
-	    || data[1] != delim || data[2] != delim)
+	if (isdigit(delim) || delim < 33 || delim > 126 ||
+	    data[1] != delim || data[2] != delim)
 		return 0;
 
 	return get_port(data, 3, dlen, delim, &cmd->u.tcp.port);
@@ -366,8 +366,8 @@ static int help(struct sk_buff *skb,
 	typeof(nf_nat_ftp_hook) nf_nat_ftp;
 
 	/* Until there's been traffic both ways, don't look in packets. */
-	if (ctinfo != IP_CT_ESTABLISHED
-	    && ctinfo != IP_CT_ESTABLISHED+IP_CT_IS_REPLY) {
+	if (ctinfo != IP_CT_ESTABLISHED &&
+	    ctinfo != IP_CT_ESTABLISHED + IP_CT_IS_REPLY) {
 		pr_debug("ftp: Conntrackinfo = %u\n", ctinfo);
 		return NF_ACCEPT;
 	}
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 940fc20b2b5..020562164b5 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1034,9 +1034,10 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
 			goto out_xmit;
 		packet_increment_head(&po->tx_ring);
 		len_sum += tp_len;
-	} while (likely((ph != NULL) || ((!(msg->msg_flags & MSG_DONTWAIT))
-					&& (atomic_read(&po->tx_ring.pending))))
-	      );
+	} while (likely((ph != NULL) ||
+			((!(msg->msg_flags & MSG_DONTWAIT)) &&
+			 (atomic_read(&po->tx_ring.pending))))
+		);
 
 	err = len_sum;
 	goto out_put;
diff --git a/net/phonet/pep.c b/net/phonet/pep.c
index bdc17bdad36..b6356f3832f 100644
--- a/net/phonet/pep.c
+++ b/net/phonet/pep.c
@@ -714,8 +714,8 @@ static int pep_ioctl(struct sock *sk, int cmd, unsigned long arg)
 			return -EINVAL;
 
 		lock_sock(sk);
-		if (sock_flag(sk, SOCK_URGINLINE)
-		 && !skb_queue_empty(&pn->ctrlreq_queue))
+		if (sock_flag(sk, SOCK_URGINLINE) &&
+		    !skb_queue_empty(&pn->ctrlreq_queue))
 			answ = skb_peek(&pn->ctrlreq_queue)->len;
 		else if (!skb_queue_empty(&sk->sk_receive_queue))
 			answ = skb_peek(&sk->sk_receive_queue)->len;
diff --git a/net/phonet/socket.c b/net/phonet/socket.c
index 4112b6e1c48..69c8b826a0c 100644
--- a/net/phonet/socket.c
+++ b/net/phonet/socket.c
@@ -98,8 +98,8 @@ struct sock *pn_find_sock_by_sa(struct net *net, const struct sockaddr_pn *spn)
 			if (pn->resource != res)
 				continue;
 		}
-		if (pn_addr(pn->sobject)
-		 && pn_addr(pn->sobject) != pn_addr(obj))
+		if (pn_addr(pn->sobject) &&
+		    pn_addr(pn->sobject) != pn_addr(obj))
 			continue;
 
 		rval = sknode;
diff --git a/net/rds/af_rds.c b/net/rds/af_rds.c
index e25d8d5ce8d..853c52be781 100644
--- a/net/rds/af_rds.c
+++ b/net/rds/af_rds.c
@@ -174,8 +174,8 @@ static unsigned int rds_poll(struct file *file, struct socket *sock,
 			mask |= (POLLIN | POLLRDNORM);
 		spin_unlock(&rs->rs_lock);
 	}
-	if (!list_empty(&rs->rs_recv_queue)
-	 || !list_empty(&rs->rs_notify_queue))
+	if (!list_empty(&rs->rs_recv_queue) ||
+	    !list_empty(&rs->rs_notify_queue))
 		mask |= (POLLIN | POLLRDNORM);
 	if (rs->rs_snd_bytes < rds_sk_sndbuf(rs))
 		mask |= (POLLOUT | POLLWRNORM);
@@ -308,8 +308,8 @@ static int rds_getsockopt(struct socket *sock, int level, int optname,
 		if (len < sizeof(int))
 			ret = -EINVAL;
 		else
-		if (put_user(rs->rs_recverr, (int __user *) optval)
-		 || put_user(sizeof(int), optlen))
+		if (put_user(rs->rs_recverr, (int __user *) optval) ||
+		    put_user(sizeof(int), optlen))
 			ret = -EFAULT;
 		else
 			ret = 0;
diff --git a/net/rds/connection.c b/net/rds/connection.c
index cc8b568c0c8..278f607ab60 100644
--- a/net/rds/connection.c
+++ b/net/rds/connection.c
@@ -133,10 +133,8 @@ static struct rds_connection *__rds_conn_create(__be32 laddr, __be32 faddr,
 
 	spin_lock_irqsave(&rds_conn_lock, flags);
 	conn = rds_conn_lookup(head, laddr, faddr, trans);
-	if (conn
-	 && conn->c_loopback
-	 && conn->c_trans != &rds_loop_transport
-	 && !is_outgoing) {
+	if (conn && conn->c_loopback && conn->c_trans != &rds_loop_transport &&
+	    !is_outgoing) {
 		/* This is a looped back IB connection, and we're
 		 * called by the code handling the incoming connect.
 		 * We need a second connection object into which we
diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c
index 9d320692a4f..647cb8ffc39 100644
--- a/net/rds/ib_cm.c
+++ b/net/rds/ib_cm.c
@@ -377,8 +377,8 @@ static u32 rds_ib_protocol_compatible(struct rdma_cm_event *event)
 	}
 
 	/* Even if len is crap *now* I still want to check it. -ASG */
-	if (event->param.conn.private_data_len < sizeof (*dp)
-	    || dp->dp_protocol_major == 0)
+	if (event->param.conn.private_data_len < sizeof (*dp) ||
+	    dp->dp_protocol_major == 0)
 		return RDS_PROTOCOL_3_0;
 
 	common = be16_to_cpu(dp->dp_protocol_minor_mask) & RDS_IB_SUPPORTED_PROTOCOLS;
diff --git a/net/rds/ib_rdma.c b/net/rds/ib_rdma.c
index c5e916598c1..4b0da865a72 100644
--- a/net/rds/ib_rdma.c
+++ b/net/rds/ib_rdma.c
@@ -570,8 +570,8 @@ void rds_ib_free_mr(void *trans_private, int invalidate)
 	spin_unlock_irqrestore(&pool->list_lock, flags);
 
 	/* If we've pinned too many pages, request a flush */
-	if (atomic_read(&pool->free_pinned) >= pool->max_free_pinned
-	 || atomic_read(&pool->dirty_count) >= pool->max_items / 10)
+	if (atomic_read(&pool->free_pinned) >= pool->max_free_pinned ||
+	    atomic_read(&pool->dirty_count) >= pool->max_items / 10)
 		queue_work(rds_wq, &pool->flush_worker);
 
 	if (invalidate) {
diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c
index fe5ab8c6b96..04dc0d3f3c9 100644
--- a/net/rds/ib_recv.c
+++ b/net/rds/ib_recv.c
@@ -230,8 +230,8 @@ int rds_ib_recv_refill(struct rds_connection *conn, gfp_t kptr_gfp,
 	int ret = 0;
 	u32 pos;
 
-	while ((prefill || rds_conn_up(conn))
-			&& rds_ib_ring_alloc(&ic->i_recv_ring, 1, &pos)) {
+	while ((prefill || rds_conn_up(conn)) &&
+	       rds_ib_ring_alloc(&ic->i_recv_ring, 1, &pos)) {
 		if (pos >= ic->i_recv_ring.w_nr) {
 			printk(KERN_NOTICE "Argh - ring alloc returned pos=%u\n",
 					pos);
@@ -771,10 +771,10 @@ static void rds_ib_process_recv(struct rds_connection *conn,
 		hdr = &ibinc->ii_inc.i_hdr;
 		/* We can't just use memcmp here; fragments of a
 		 * single message may carry different ACKs */
-		if (hdr->h_sequence != ihdr->h_sequence
-		 || hdr->h_len != ihdr->h_len
-		 || hdr->h_sport != ihdr->h_sport
-		 || hdr->h_dport != ihdr->h_dport) {
+		if (hdr->h_sequence != ihdr->h_sequence ||
+		    hdr->h_len != ihdr->h_len ||
+		    hdr->h_sport != ihdr->h_sport ||
+		    hdr->h_dport != ihdr->h_dport) {
 			rds_ib_conn_error(conn,
 				"fragment header mismatch; forcing reconnect\n");
 			return;
diff --git a/net/rds/ib_send.c b/net/rds/ib_send.c
index 23bf830db2d..a10fab6886d 100644
--- a/net/rds/ib_send.c
+++ b/net/rds/ib_send.c
@@ -252,8 +252,8 @@ void rds_ib_send_cq_comp_handler(struct ib_cq *cq, void *context)
 
 		rds_ib_ring_free(&ic->i_send_ring, completed);
 
-		if (test_and_clear_bit(RDS_LL_SEND_FULL, &conn->c_flags)
-		 || test_bit(0, &conn->c_map_queued))
+		if (test_and_clear_bit(RDS_LL_SEND_FULL, &conn->c_flags) ||
+		    test_bit(0, &conn->c_map_queued))
 			queue_delayed_work(rds_wq, &conn->c_send_w, 0);
 
 		/* We expect errors as the qp is drained during shutdown */
diff --git a/net/rds/iw_rdma.c b/net/rds/iw_rdma.c
index b25d785e49f..9eda11cca95 100644
--- a/net/rds/iw_rdma.c
+++ b/net/rds/iw_rdma.c
@@ -573,8 +573,8 @@ void rds_iw_free_mr(void *trans_private, int invalidate)
 	rds_iw_free_fastreg(pool, ibmr);
 
 	/* If we've pinned too many pages, request a flush */
-	if (atomic_read(&pool->free_pinned) >= pool->max_free_pinned
-	 || atomic_read(&pool->dirty_count) >= pool->max_items / 10)
+	if (atomic_read(&pool->free_pinned) >= pool->max_free_pinned ||
+	    atomic_read(&pool->dirty_count) >= pool->max_items / 10)
 		queue_work(rds_wq, &pool->flush_worker);
 
 	if (invalidate) {
diff --git a/net/rds/iw_recv.c b/net/rds/iw_recv.c
index 24fc53f0383..54af7d6b92d 100644
--- a/net/rds/iw_recv.c
+++ b/net/rds/iw_recv.c
@@ -230,8 +230,8 @@ int rds_iw_recv_refill(struct rds_connection *conn, gfp_t kptr_gfp,
 	int ret = 0;
 	u32 pos;
 
-	while ((prefill || rds_conn_up(conn))
-			&& rds_iw_ring_alloc(&ic->i_recv_ring, 1, &pos)) {
+	while ((prefill || rds_conn_up(conn)) &&
+	       rds_iw_ring_alloc(&ic->i_recv_ring, 1, &pos)) {
 		if (pos >= ic->i_recv_ring.w_nr) {
 			printk(KERN_NOTICE "Argh - ring alloc returned pos=%u\n",
 					pos);
@@ -730,10 +730,10 @@ static void rds_iw_process_recv(struct rds_connection *conn,
 		hdr = &iwinc->ii_inc.i_hdr;
 		/* We can't just use memcmp here; fragments of a
 		 * single message may carry different ACKs */
-		if (hdr->h_sequence != ihdr->h_sequence
-		 || hdr->h_len != ihdr->h_len
-		 || hdr->h_sport != ihdr->h_sport
-		 || hdr->h_dport != ihdr->h_dport) {
+		if (hdr->h_sequence != ihdr->h_sequence ||
+		    hdr->h_len != ihdr->h_len ||
+		    hdr->h_sport != ihdr->h_sport ||
+		    hdr->h_dport != ihdr->h_dport) {
 			rds_iw_conn_error(conn,
 				"fragment header mismatch; forcing reconnect\n");
 			return;
diff --git a/net/rds/iw_send.c b/net/rds/iw_send.c
index 1f5abe3cf2b..1379e9d66a7 100644
--- a/net/rds/iw_send.c
+++ b/net/rds/iw_send.c
@@ -288,8 +288,8 @@ void rds_iw_send_cq_comp_handler(struct ib_cq *cq, void *context)
 
 		rds_iw_ring_free(&ic->i_send_ring, completed);
 
-		if (test_and_clear_bit(RDS_LL_SEND_FULL, &conn->c_flags)
-		 || test_bit(0, &conn->c_map_queued))
+		if (test_and_clear_bit(RDS_LL_SEND_FULL, &conn->c_flags) ||
+		    test_bit(0, &conn->c_map_queued))
 			queue_delayed_work(rds_wq, &conn->c_send_w, 0);
 
 		/* We expect errors as the qp is drained during shutdown */
@@ -519,8 +519,7 @@ int rds_iw_xmit(struct rds_connection *conn, struct rds_message *rm,
 	BUG_ON(hdr_off != 0 && hdr_off != sizeof(struct rds_header));
 
 	/* Fastreg support */
-	if (rds_rdma_cookie_key(rm->m_rdma_cookie)
-	 && !ic->i_fastreg_posted) {
+	if (rds_rdma_cookie_key(rm->m_rdma_cookie) && !ic->i_fastreg_posted) {
 		ret = -EAGAIN;
 		goto out;
 	}
diff --git a/net/rds/message.c b/net/rds/message.c
index ca50a8ec974..73e600ffd87 100644
--- a/net/rds/message.c
+++ b/net/rds/message.c
@@ -122,8 +122,7 @@ int rds_message_add_extension(struct rds_header *hdr,
 	if (hdr->h_exthdr[0] != RDS_EXTHDR_NONE)
 		return 0;
 
-	if (type >= __RDS_EXTHDR_MAX
-	 || len != rds_exthdr_size[type])
+	if (type >= __RDS_EXTHDR_MAX || len != rds_exthdr_size[type])
 		return 0;
 
 	if (ext_len >= RDS_HEADER_EXT_SPACE)
diff --git a/net/rds/rdma.c b/net/rds/rdma.c
index 971b5a66845..4c64daa1f5d 100644
--- a/net/rds/rdma.c
+++ b/net/rds/rdma.c
@@ -631,8 +631,8 @@ int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm,
 {
 	struct rds_rdma_op *op;
 
-	if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct rds_rdma_args))
-	 || rm->m_rdma_op != NULL)
+	if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct rds_rdma_args)) ||
+	    rm->m_rdma_op != NULL)
 		return -EINVAL;
 
 	op = rds_rdma_prepare(rs, CMSG_DATA(cmsg));
@@ -655,8 +655,8 @@ int rds_cmsg_rdma_dest(struct rds_sock *rs, struct rds_message *rm,
 	u32 r_key;
 	int err = 0;
 
-	if (cmsg->cmsg_len < CMSG_LEN(sizeof(rds_rdma_cookie_t))
-	 || rm->m_rdma_cookie != 0)
+	if (cmsg->cmsg_len < CMSG_LEN(sizeof(rds_rdma_cookie_t)) ||
+	    rm->m_rdma_cookie != 0)
 		return -EINVAL;
 
 	memcpy(&rm->m_rdma_cookie, CMSG_DATA(cmsg), sizeof(rm->m_rdma_cookie));
@@ -692,8 +692,8 @@ int rds_cmsg_rdma_dest(struct rds_sock *rs, struct rds_message *rm,
 int rds_cmsg_rdma_map(struct rds_sock *rs, struct rds_message *rm,
 			  struct cmsghdr *cmsg)
 {
-	if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct rds_get_mr_args))
-	 || rm->m_rdma_cookie != 0)
+	if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct rds_get_mr_args)) ||
+	    rm->m_rdma_cookie != 0)
 		return -EINVAL;
 
 	return __rds_rdma_map(rs, CMSG_DATA(cmsg), &rm->m_rdma_cookie, &rm->m_rdma_mr);
diff --git a/net/rds/recv.c b/net/rds/recv.c
index fdff33c7b43..b426d67f760 100644
--- a/net/rds/recv.c
+++ b/net/rds/recv.c
@@ -195,8 +195,8 @@ void rds_recv_incoming(struct rds_connection *conn, __be32 saddr, __be32 daddr,
 	 * XXX we could spend more on the wire to get more robust failure
 	 * detection, arguably worth it to avoid data corruption.
 	 */
-	if (be64_to_cpu(inc->i_hdr.h_sequence) < conn->c_next_rx_seq
-	 && (inc->i_hdr.h_flags & RDS_FLAG_RETRANSMITTED)) {
+	if (be64_to_cpu(inc->i_hdr.h_sequence) < conn->c_next_rx_seq &&
+	    (inc->i_hdr.h_flags & RDS_FLAG_RETRANSMITTED)) {
 		rds_stats_inc(s_recv_drop_old_seq);
 		goto out;
 	}
@@ -432,10 +432,9 @@ int rds_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
 			}
 
 			timeo = wait_event_interruptible_timeout(*sk->sk_sleep,
-						(!list_empty(&rs->rs_notify_queue)
-						|| rs->rs_cong_notify
-						|| rds_next_incoming(rs, &inc)),
-						timeo);
+					(!list_empty(&rs->rs_notify_queue) ||
+					 rs->rs_cong_notify ||
+					 rds_next_incoming(rs, &inc)), timeo);
 			rdsdebug("recvmsg woke inc %p timeo %ld\n", inc,
 				 timeo);
 			if (timeo > 0 || timeo == MAX_SCHEDULE_TIMEOUT)
diff --git a/net/rds/send.c b/net/rds/send.c
index 28c88ff3d03..b2fccfc2076 100644
--- a/net/rds/send.c
+++ b/net/rds/send.c
@@ -235,8 +235,8 @@ int rds_send_xmit(struct rds_connection *conn)
 			 * connection.
 			 * Therefore, we never retransmit messages with RDMA ops.
 			 */
-			if (rm->m_rdma_op
-			 && test_bit(RDS_MSG_RETRANSMITTED, &rm->m_flags)) {
+			if (rm->m_rdma_op &&
+			    test_bit(RDS_MSG_RETRANSMITTED, &rm->m_flags)) {
 				spin_lock_irqsave(&conn->c_lock, flags);
 				if (test_and_clear_bit(RDS_MSG_ON_CONN, &rm->m_flags))
 					list_move(&rm->m_conn_item, &to_be_dropped);
@@ -247,8 +247,8 @@ int rds_send_xmit(struct rds_connection *conn)
 
 			/* Require an ACK every once in a while */
 			len = ntohl(rm->m_inc.i_hdr.h_len);
-			if (conn->c_unacked_packets == 0
-			 || conn->c_unacked_bytes < len) {
+			if (conn->c_unacked_packets == 0 ||
+			    conn->c_unacked_bytes < len) {
 				__set_bit(RDS_MSG_ACK_REQUIRED, &rm->m_flags);
 
 				conn->c_unacked_packets = rds_sysctl_max_unacked_packets;
@@ -418,8 +418,8 @@ void rds_rdma_send_complete(struct rds_message *rm, int status)
 	spin_lock(&rm->m_rs_lock);
 
 	ro = rm->m_rdma_op;
-	if (test_bit(RDS_MSG_ON_SOCK, &rm->m_flags)
-	 && ro && ro->r_notify && ro->r_notifier) {
+	if (test_bit(RDS_MSG_ON_SOCK, &rm->m_flags) &&
+	    ro && ro->r_notify && ro->r_notifier) {
 		notifier = ro->r_notifier;
 		rs = rm->m_rs;
 		sock_hold(rds_rs_to_sk(rs));
@@ -549,8 +549,7 @@ void rds_send_remove_from_sock(struct list_head *messages, int status)
 			list_del_init(&rm->m_sock_item);
 			rds_send_sndbuf_remove(rs, rm);
 
-			if (ro && ro->r_notifier
-			   && (status || ro->r_notify)) {
+			if (ro && ro->r_notifier && (status || ro->r_notify)) {
 				notifier = ro->r_notifier;
 				list_add_tail(&notifier->n_list,
 						&rs->rs_notify_queue);
@@ -877,8 +876,8 @@ int rds_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
 	if (ret)
 		goto out;
 
-	if ((rm->m_rdma_cookie || rm->m_rdma_op)
-	 && conn->c_trans->xmit_rdma == NULL) {
+	if ((rm->m_rdma_cookie || rm->m_rdma_op) &&
+	    conn->c_trans->xmit_rdma == NULL) {
 		if (printk_ratelimit())
 			printk(KERN_NOTICE "rdma_op %p conn xmit_rdma %p\n",
 				rm->m_rdma_op, conn->c_trans->xmit_rdma);
@@ -890,8 +889,8 @@ int rds_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
 	 * have scheduled a delayed reconnect however - in this case
 	 * we should not interfere.
 	 */
-	if (rds_conn_state(conn) == RDS_CONN_DOWN
-	 && !test_and_set_bit(RDS_RECONNECT_PENDING, &conn->c_flags))
+	if (rds_conn_state(conn) == RDS_CONN_DOWN &&
+	    !test_and_set_bit(RDS_RECONNECT_PENDING, &conn->c_flags))
 		queue_delayed_work(rds_wq, &conn->c_conn_w, 0);
 
 	ret = rds_cong_wait(conn->c_fcong, dport, nonblock, rs);
@@ -973,8 +972,8 @@ rds_send_pong(struct rds_connection *conn, __be16 dport)
 	 * have scheduled a delayed reconnect however - in this case
 	 * we should not interfere.
 	 */
-	if (rds_conn_state(conn) == RDS_CONN_DOWN
-	 && !test_and_set_bit(RDS_RECONNECT_PENDING, &conn->c_flags))
+	if (rds_conn_state(conn) == RDS_CONN_DOWN &&
+	    !test_and_set_bit(RDS_RECONNECT_PENDING, &conn->c_flags))
 		queue_delayed_work(rds_wq, &conn->c_conn_w, 0);
 
 	ret = rds_cong_wait(conn->c_fcong, dport, 1, NULL);
diff --git a/net/rds/threads.c b/net/rds/threads.c
index dd7e0cad1e7..00fa10e59af 100644
--- a/net/rds/threads.c
+++ b/net/rds/threads.c
@@ -170,8 +170,8 @@ void rds_shutdown_worker(struct work_struct *work)
 		 * handler is supposed to check for state DISCONNECTING
 		 */
 		mutex_lock(&conn->c_cm_lock);
-		if (!rds_conn_transition(conn, RDS_CONN_UP, RDS_CONN_DISCONNECTING)
-		 && !rds_conn_transition(conn, RDS_CONN_ERROR, RDS_CONN_DISCONNECTING)) {
+		if (!rds_conn_transition(conn, RDS_CONN_UP, RDS_CONN_DISCONNECTING) &&
+		    !rds_conn_transition(conn, RDS_CONN_ERROR, RDS_CONN_DISCONNECTING)) {
 			rds_conn_error(conn, "shutdown called in state %d\n",
 					atomic_read(&conn->c_state));
 			mutex_unlock(&conn->c_cm_lock);
diff --git a/net/rose/rose_route.c b/net/rose/rose_route.c
index ea2e72337e2..795c4b025e3 100644
--- a/net/rose/rose_route.c
+++ b/net/rose/rose_route.c
@@ -77,8 +77,9 @@ static int __must_check rose_add_node(struct rose_route_struct *rose_route,
 
 	rose_neigh = rose_neigh_list;
 	while (rose_neigh != NULL) {
-		if (ax25cmp(&rose_route->neighbour, &rose_neigh->callsign) == 0
-		    && rose_neigh->dev == dev)
+		if (ax25cmp(&rose_route->neighbour,
+			    &rose_neigh->callsign) == 0 &&
+		    rose_neigh->dev == dev)
 			break;
 		rose_neigh = rose_neigh->next;
 	}
@@ -311,8 +312,9 @@ static int rose_del_node(struct rose_route_struct *rose_route,
 
 	rose_neigh = rose_neigh_list;
 	while (rose_neigh != NULL) {
-		if (ax25cmp(&rose_route->neighbour, &rose_neigh->callsign) == 0
-		    && rose_neigh->dev == dev)
+		if (ax25cmp(&rose_route->neighbour,
+			    &rose_neigh->callsign) == 0 &&
+		    rose_neigh->dev == dev)
 			break;
 		rose_neigh = rose_neigh->next;
 	}
diff --git a/net/sched/cls_rsvp.h b/net/sched/cls_rsvp.h
index 7034ea4530e..dd9414e4420 100644
--- a/net/sched/cls_rsvp.h
+++ b/net/sched/cls_rsvp.h
@@ -170,21 +170,23 @@ restart:
 	for (s = sht[h1]; s; s = s->next) {
 		if (dst[RSVP_DST_LEN-1] == s->dst[RSVP_DST_LEN-1] &&
 		    protocol == s->protocol &&
-		    !(s->dpi.mask & (*(u32*)(xprt+s->dpi.offset)^s->dpi.key))
+		    !(s->dpi.mask &
+		      (*(u32*)(xprt+s->dpi.offset)^s->dpi.key)) &&
 #if RSVP_DST_LEN == 4
-		    && dst[0] == s->dst[0]
-		    && dst[1] == s->dst[1]
-		    && dst[2] == s->dst[2]
+		    dst[0] == s->dst[0] &&
+		    dst[1] == s->dst[1] &&
+		    dst[2] == s->dst[2] &&
 #endif
-		    && tunnelid == s->tunnelid) {
+		    tunnelid == s->tunnelid) {
 
 			for (f = s->ht[h2]; f; f = f->next) {
 				if (src[RSVP_DST_LEN-1] == f->src[RSVP_DST_LEN-1] &&
 				    !(f->spi.mask & (*(u32*)(xprt+f->spi.offset)^f->spi.key))
 #if RSVP_DST_LEN == 4
-				    && src[0] == f->src[0]
-				    && src[1] == f->src[1]
-				    && src[2] == f->src[2]
+				    &&
+				    src[0] == f->src[0] &&
+				    src[1] == f->src[1] &&
+				    src[2] == f->src[2]
 #endif
 				    ) {
 					*res = f->res;
@@ -493,13 +495,13 @@ static int rsvp_change(struct tcf_proto *tp, unsigned long base,
 	for (sp = &data->ht[h1]; (s=*sp) != NULL; sp = &s->next) {
 		if (dst[RSVP_DST_LEN-1] == s->dst[RSVP_DST_LEN-1] &&
 		    pinfo && pinfo->protocol == s->protocol &&
-		    memcmp(&pinfo->dpi, &s->dpi, sizeof(s->dpi)) == 0
+		    memcmp(&pinfo->dpi, &s->dpi, sizeof(s->dpi)) == 0 &&
 #if RSVP_DST_LEN == 4
-		    && dst[0] == s->dst[0]
-		    && dst[1] == s->dst[1]
-		    && dst[2] == s->dst[2]
+		    dst[0] == s->dst[0] &&
+		    dst[1] == s->dst[1] &&
+		    dst[2] == s->dst[2] &&
 #endif
-		    && pinfo->tunnelid == s->tunnelid) {
+		    pinfo->tunnelid == s->tunnelid) {
 
 insert:
 			/* OK, we found appropriate session */
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index 2e38d1abd83..508cf5f3a6d 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -1344,8 +1344,8 @@ static int htb_change_class(struct Qdisc *sch, u32 classid,
 		};
 
 		/* check for valid classid */
-		if (!classid || TC_H_MAJ(classid ^ sch->handle)
-		    || htb_find(classid, sch))
+		if (!classid || TC_H_MAJ(classid ^ sch->handle) ||
+		    htb_find(classid, sch))
 			goto failure;
 
 		/* check maximal depth */
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index 2b88295cb7b..d8b10e05462 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -199,9 +199,9 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch)
 	 * do it now in software before we mangle it.
 	 */
 	if (q->corrupt && q->corrupt >= get_crandom(&q->corrupt_cor)) {
-		if (!(skb = skb_unshare(skb, GFP_ATOMIC))
-		    || (skb->ip_summed == CHECKSUM_PARTIAL
-			&& skb_checksum_help(skb))) {
+		if (!(skb = skb_unshare(skb, GFP_ATOMIC)) ||
+		    (skb->ip_summed == CHECKSUM_PARTIAL &&
+		     skb_checksum_help(skb))) {
 			sch->qstats.drops++;
 			return NET_XMIT_DROP;
 		}
@@ -210,9 +210,9 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch)
 	}
 
 	cb = netem_skb_cb(skb);
-	if (q->gap == 0 		/* not doing reordering */
-	    || q->counter < q->gap 	/* inside last reordering gap */
-	    || q->reorder < get_crandom(&q->reorder_cor)) {
+	if (q->gap == 0 || 		/* not doing reordering */
+	    q->counter < q->gap || 	/* inside last reordering gap */
+	    q->reorder < get_crandom(&q->reorder_cor)) {
 		psched_time_t now;
 		psched_tdiff_t delay;
 
diff --git a/net/sched/sch_teql.c b/net/sched/sch_teql.c
index 5a002c24723..db69637069c 100644
--- a/net/sched/sch_teql.c
+++ b/net/sched/sch_teql.c
@@ -190,10 +190,13 @@ static int teql_qdisc_init(struct Qdisc *sch, struct nlattr *opt)
 
 	if (m->slaves) {
 		if (m->dev->flags & IFF_UP) {
-			if ((m->dev->flags&IFF_POINTOPOINT && !(dev->flags&IFF_POINTOPOINT))
-			    || (m->dev->flags&IFF_BROADCAST && !(dev->flags&IFF_BROADCAST))
-			    || (m->dev->flags&IFF_MULTICAST && !(dev->flags&IFF_MULTICAST))
-			    || dev->mtu < m->dev->mtu)
+			if ((m->dev->flags & IFF_POINTOPOINT &&
+			     !(dev->flags & IFF_POINTOPOINT)) ||
+			    (m->dev->flags & IFF_BROADCAST &&
+			     !(dev->flags & IFF_BROADCAST)) ||
+			    (m->dev->flags & IFF_MULTICAST &&
+			     !(dev->flags & IFF_MULTICAST)) ||
+			    dev->mtu < m->dev->mtu)
 				return -EINVAL;
 		} else {
 			if (!(dev->flags&IFF_POINTOPOINT))
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index e231a983101..229690f02a1 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -191,8 +191,8 @@ static inline int sctp_cacc_skip(struct sctp_transport *primary,
 				 __u32 tsn)
 {
 	if (primary->cacc.changeover_active &&
-	    (sctp_cacc_skip_3_1(primary, transport, count_of_newacks)
-	     || sctp_cacc_skip_3_2(primary, tsn)))
+	    (sctp_cacc_skip_3_1(primary, transport, count_of_newacks) ||
+	     sctp_cacc_skip_3_2(primary, tsn)))
 		return 1;
 	return 0;
 }
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 71513b3926a..5fa9ac52e13 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -2356,8 +2356,8 @@ static int sctp_setsockopt_peer_addr_params(struct sock *sk,
 	    pmtud_change     == SPP_PMTUD ||
 	    sackdelay_change == SPP_SACKDELAY ||
 	    params.spp_sackdelay > 500 ||
-	    (params.spp_pathmtu
-	    && params.spp_pathmtu < SCTP_DEFAULT_MINSEGMENT))
+	    (params.spp_pathmtu &&
+	     params.spp_pathmtu < SCTP_DEFAULT_MINSEGMENT))
 		return -EINVAL;
 
 	/* If an address other than INADDR_ANY is specified, and
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index 54a4e042f10..7535a7bed2f 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -332,9 +332,9 @@ rpcauth_lookup_credcache(struct rpc_auth *auth, struct auth_cred * acred,
 		list_add_tail(&new->cr_lru, &free);
 	spin_unlock(&cache->lock);
 found:
-	if (test_bit(RPCAUTH_CRED_NEW, &cred->cr_flags)
-			&& cred->cr_ops->cr_init != NULL
-			&& !(flags & RPCAUTH_LOOKUP_NEW)) {
+	if (test_bit(RPCAUTH_CRED_NEW, &cred->cr_flags) &&
+	    cred->cr_ops->cr_init != NULL &&
+	    !(flags & RPCAUTH_LOOKUP_NEW)) {
 		int res = cred->cr_ops->cr_init(auth, cred);
 		if (res < 0) {
 			put_rpccred(cred);
diff --git a/net/sunrpc/auth_gss/gss_krb5_seqnum.c b/net/sunrpc/auth_gss/gss_krb5_seqnum.c
index f160be6c1a4..17562b4c35f 100644
--- a/net/sunrpc/auth_gss/gss_krb5_seqnum.c
+++ b/net/sunrpc/auth_gss/gss_krb5_seqnum.c
@@ -75,8 +75,8 @@ krb5_get_seq_num(struct crypto_blkcipher *key,
 	if ((code = krb5_decrypt(key, cksum, buf, plain, 8)))
 		return code;
 
-	if ((plain[4] != plain[5]) || (plain[4] != plain[6])
-				   || (plain[4] != plain[7]))
+	if ((plain[4] != plain[5]) || (plain[4] != plain[6]) ||
+	    (plain[4] != plain[7]))
 		return (s32)KG_BAD_SEQ;
 
 	*direction = plain[4];
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index f6c51e562a0..e34bc531fcb 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -105,8 +105,8 @@ static int rsi_match(struct cache_head *a, struct cache_head *b)
 {
 	struct rsi *item = container_of(a, struct rsi, h);
 	struct rsi *tmp = container_of(b, struct rsi, h);
-	return netobj_equal(&item->in_handle, &tmp->in_handle)
-		&& netobj_equal(&item->in_token, &tmp->in_token);
+	return netobj_equal(&item->in_handle, &tmp->in_handle) &&
+	       netobj_equal(&item->in_token, &tmp->in_token);
 }
 
 static int dup_to_netobj(struct xdr_netobj *dst, char *src, int len)
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index d6eee291a0e..39bddba53ba 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -401,9 +401,8 @@ static int cache_clean(void)
 		for (; ch; cp= & ch->next, ch= *cp) {
 			if (current_detail->nextcheck > ch->expiry_time)
 				current_detail->nextcheck = ch->expiry_time+1;
-			if (ch->expiry_time >= get_seconds()
-			    && ch->last_refresh >= current_detail->flush_time
-				)
+			if (ch->expiry_time >= get_seconds() &&
+			    ch->last_refresh >= current_detail->flush_time)
 				continue;
 			if (test_and_clear_bit(CACHE_PENDING, &ch->flags))
 				cache_dequeue(current_detail, ch);
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 952f206ff30..538ca433a56 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -1103,8 +1103,9 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv)
 				procp->pc_release(rqstp, NULL, rqstp->rq_resp);
 			goto dropit;
 		}
-		if (*statp == rpc_success && (xdr = procp->pc_encode)
-		 && !xdr(rqstp, resv->iov_base+resv->iov_len, rqstp->rq_resp)) {
+		if (*statp == rpc_success &&
+		    (xdr = procp->pc_encode) &&
+		    !xdr(rqstp, resv->iov_base+resv->iov_len, rqstp->rq_resp)) {
 			dprintk("svc: failed to encode reply\n");
 			/* serv->sv_stats->rpcsystemerr++; */
 			*statp = rpc_system_err;
diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index df124f78ee4..b845e2293df 100644
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -129,8 +129,8 @@ static void svc_xprt_free(struct kref *kref)
 	struct svc_xprt *xprt =
 		container_of(kref, struct svc_xprt, xpt_ref);
 	struct module *owner = xprt->xpt_class->xcl_owner;
-	if (test_bit(XPT_CACHE_AUTH, &xprt->xpt_flags)
-	    && xprt->xpt_auth_cache != NULL)
+	if (test_bit(XPT_CACHE_AUTH, &xprt->xpt_flags) &&
+	    xprt->xpt_auth_cache != NULL)
 		svcauth_unix_info_release(xprt->xpt_auth_cache);
 	xprt->xpt_ops->xpo_free(xprt);
 	module_put(owner);
@@ -846,8 +846,8 @@ static void svc_age_temp_xprts(unsigned long closure)
 		 * through, close it. */
 		if (!test_and_set_bit(XPT_OLD, &xprt->xpt_flags))
 			continue;
-		if (atomic_read(&xprt->xpt_ref.refcount) > 1
-		    || test_bit(XPT_BUSY, &xprt->xpt_flags))
+		if (atomic_read(&xprt->xpt_ref.refcount) > 1 ||
+		    test_bit(XPT_BUSY, &xprt->xpt_flags))
 			continue;
 		svc_xprt_get(xprt);
 		list_move(le, &to_be_aged);
diff --git a/net/sunrpc/svcauth.c b/net/sunrpc/svcauth.c
index e64109b02ae..4e9393c2468 100644
--- a/net/sunrpc/svcauth.c
+++ b/net/sunrpc/svcauth.c
@@ -46,8 +46,8 @@ svc_authenticate(struct svc_rqst *rqstp, __be32 *authp)
 	dprintk("svc: svc_authenticate (%d)\n", flavor);
 
 	spin_lock(&authtab_lock);
-	if (flavor >= RPC_AUTH_MAXFLAVOR || !(aops = authtab[flavor])
-			|| !try_module_get(aops->owner)) {
+	if (flavor >= RPC_AUTH_MAXFLAVOR || !(aops = authtab[flavor]) ||
+	    !try_module_get(aops->owner)) {
 		spin_unlock(&authtab_lock);
 		*authp = rpc_autherr_badcred;
 		return SVC_DENIED;
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index f4c7ff3a53e..4a8f6558718 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -125,8 +125,8 @@ static int ip_map_match(struct cache_head *corig, struct cache_head *cnew)
 {
 	struct ip_map *orig = container_of(corig, struct ip_map, h);
 	struct ip_map *new = container_of(cnew, struct ip_map, h);
-	return strcmp(orig->m_class, new->m_class) == 0
-		&& ipv6_addr_equal(&orig->m_addr, &new->m_addr);
+	return strcmp(orig->m_class, new->m_class) == 0 &&
+	       ipv6_addr_equal(&orig->m_addr, &new->m_addr);
 }
 static void ip_map_init(struct cache_head *cnew, struct cache_head *citem)
 {
diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
index 9e884383134..f92e37eb413 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
@@ -337,10 +337,9 @@ static int rdma_set_ctxt_sge(struct svcxprt_rdma *xprt,
 
 static int rdma_read_max_sge(struct svcxprt_rdma *xprt, int sge_count)
 {
-	if ((RDMA_TRANSPORT_IWARP ==
-	     rdma_node_get_transport(xprt->sc_cm_id->
-				     device->node_type))
-	    && sge_count > 1)
+	if ((rdma_node_get_transport(xprt->sc_cm_id->device->node_type) ==
+	     RDMA_TRANSPORT_IWARP) &&
+	    sge_count > 1)
 		return 1;
 	else
 		return min_t(int, sge_count, xprt->sc_max_sge);
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index 465aafc2007..2209aa87d89 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -878,8 +878,8 @@ if (strnicmp(ia->ri_id->device->dma_device->bus->name, "pci", 3) == 0) {
 	 * others indicate a transport condition which has already
 	 * undergone a best-effort.
 	 */
-	if (ep->rep_connected == -ECONNREFUSED
-	    && ++retry_count <= RDMA_CONNECT_RETRY_MAX) {
+	if (ep->rep_connected == -ECONNREFUSED &&
+	    ++retry_count <= RDMA_CONNECT_RETRY_MAX) {
 		dprintk("RPC:       %s: non-peer_reject, retry\n", __func__);
 		goto retry;
 	}
diff --git a/net/tipc/cluster.c b/net/tipc/cluster.c
index 689fdefe9d0..a7eac00cd36 100644
--- a/net/tipc/cluster.c
+++ b/net/tipc/cluster.c
@@ -437,11 +437,11 @@ void tipc_cltr_recv_routing_table(struct sk_buff *buf)
 		break;
 	case ROUTE_ADDITION:
 		if (!is_slave(tipc_own_addr)) {
-			assert(!in_own_cluster(c_ptr->addr)
-			       || is_slave(rem_node));
+			assert(!in_own_cluster(c_ptr->addr) ||
+			       is_slave(rem_node));
 		} else {
-			assert(in_own_cluster(c_ptr->addr)
-			       && !is_slave(rem_node));
+			assert(in_own_cluster(c_ptr->addr) &&
+			       !is_slave(rem_node));
 		}
 		n_ptr = c_ptr->nodes[tipc_node(rem_node)];
 		if (!n_ptr)
@@ -451,11 +451,11 @@ void tipc_cltr_recv_routing_table(struct sk_buff *buf)
 		break;
 	case ROUTE_REMOVAL:
 		if (!is_slave(tipc_own_addr)) {
-			assert(!in_own_cluster(c_ptr->addr)
-			       || is_slave(rem_node));
+			assert(!in_own_cluster(c_ptr->addr) ||
+			       is_slave(rem_node));
 		} else {
-			assert(in_own_cluster(c_ptr->addr)
-			       && !is_slave(rem_node));
+			assert(in_own_cluster(c_ptr->addr) &&
+			       !is_slave(rem_node));
 		}
 		n_ptr = c_ptr->nodes[tipc_node(rem_node)];
 		if (n_ptr)
diff --git a/net/tipc/link.c b/net/tipc/link.c
index dd4c18b9a35..6f50f6423f6 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -378,8 +378,8 @@ static void link_timeout(struct link *l_ptr)
 		struct tipc_msg *msg = buf_msg(l_ptr->first_out);
 		u32 length = msg_size(msg);
 
-		if ((msg_user(msg) == MSG_FRAGMENTER)
-		    && (msg_type(msg) == FIRST_FRAGMENT)) {
+		if ((msg_user(msg) == MSG_FRAGMENTER) &&
+		    (msg_type(msg) == FIRST_FRAGMENT)) {
 			length = msg_size(msg_get_wrapped(msg));
 		}
 		if (length) {
@@ -2788,8 +2788,8 @@ int tipc_link_recv_fragment(struct sk_buff **pending, struct sk_buff **fb,
 
 	/* Is there an incomplete message waiting for this fragment? */
 
-	while (pbuf && ((msg_seqno(buf_msg(pbuf)) != long_msg_seq_no)
-			|| (msg_orignode(fragm) != msg_orignode(buf_msg(pbuf))))) {
+	while (pbuf && ((msg_seqno(buf_msg(pbuf)) != long_msg_seq_no) ||
+			(msg_orignode(fragm) != msg_orignode(buf_msg(pbuf))))) {
 		prev = pbuf;
 		pbuf = pbuf->next;
 	}
@@ -3325,8 +3325,8 @@ static void link_print(struct link *l_ptr, struct print_buf *buf,
 				      (l_ptr->last_out)), l_ptr->out_queue_size);
 		if ((mod(msg_seqno(buf_msg(l_ptr->last_out)) -
 			 msg_seqno(buf_msg(l_ptr->first_out)))
-		     != (l_ptr->out_queue_size - 1))
-		    || (l_ptr->last_out->next != NULL)) {
+		     != (l_ptr->out_queue_size - 1)) ||
+		    (l_ptr->last_out->next != NULL)) {
 			tipc_printf(buf, "\nSend queue inconsistency\n");
 			tipc_printf(buf, "first_out= %x ", l_ptr->first_out);
 			tipc_printf(buf, "next_out= %x ", l_ptr->next_out);
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index eca5eb0dab0..1ea64f09cc4 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -1136,13 +1136,11 @@ restart:
 
 	/* Loop around if more data is required */
 
-	if ((sz_copied < buf_len)    /* didn't get all requested data */
-	    && (!skb_queue_empty(&sk->sk_receive_queue) ||
-		(flags & MSG_WAITALL))
-				     /* ... and more is ready or required */
-	    && (!(flags & MSG_PEEK)) /* ... and aren't just peeking at data */
-	    && (!err)                /* ... and haven't reached a FIN */
-	    )
+	if ((sz_copied < buf_len) &&	/* didn't get all requested data */
+	    (!skb_queue_empty(&sk->sk_receive_queue) ||
+	     (flags & MSG_WAITALL)) &&	/* and more is ready or required */
+	    (!(flags & MSG_PEEK)) &&	/* and aren't just peeking at data */
+	    (!err))			/* and haven't reached a FIN */
 		goto restart;
 
 exit:
diff --git a/net/tipc/subscr.c b/net/tipc/subscr.c
index 0747d8a9232..ac91f0dfa14 100644
--- a/net/tipc/subscr.c
+++ b/net/tipc/subscr.c
@@ -364,9 +364,9 @@ static struct subscription *subscr_subscribe(struct tipc_subscr *s,
 	sub->seq.upper = htohl(s->seq.upper, swap);
 	sub->timeout = htohl(s->timeout, swap);
 	sub->filter = htohl(s->filter, swap);
-	if ((!(sub->filter & TIPC_SUB_PORTS)
-	     == !(sub->filter & TIPC_SUB_SERVICE))
-	    || (sub->seq.lower > sub->seq.upper)) {
+	if ((!(sub->filter & TIPC_SUB_PORTS) ==
+	     !(sub->filter & TIPC_SUB_SERVICE)) ||
+	    (sub->seq.lower > sub->seq.upper)) {
 		warn("Subscription rejected, illegal request\n");
 		kfree(sub);
 		subscr_terminate(subscriber);
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 7553ea6edd8..f2551190311 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -1033,8 +1033,8 @@ static int unix_stream_connect(struct socket *sock, struct sockaddr *uaddr,
 		goto out;
 	addr_len = err;
 
-	if (test_bit(SOCK_PASSCRED, &sock->flags)
-		&& !u->addr && (err = unix_autobind(sock)) != 0)
+	if (test_bit(SOCK_PASSCRED, &sock->flags) && !u->addr &&
+	    (err = unix_autobind(sock)) != 0)
 		goto out;
 
 	timeo = sock_sndtimeo(sk, flags & O_NONBLOCK);
@@ -1378,8 +1378,8 @@ static int unix_dgram_sendmsg(struct kiocb *kiocb, struct socket *sock,
 			goto out;
 	}
 
-	if (test_bit(SOCK_PASSCRED, &sock->flags)
-		&& !u->addr && (err = unix_autobind(sock)) != 0)
+	if (test_bit(SOCK_PASSCRED, &sock->flags) && !u->addr
+	    && (err = unix_autobind(sock)) != 0)
 		goto out;
 
 	err = -EMSGSIZE;
diff --git a/net/wimax/op-rfkill.c b/net/wimax/op-rfkill.c
index 94d339c345d..ae752a64d92 100644
--- a/net/wimax/op-rfkill.c
+++ b/net/wimax/op-rfkill.c
@@ -107,8 +107,8 @@ void wimax_report_rfkill_hw(struct wimax_dev *wimax_dev,
 
 	if (state != wimax_dev->rf_hw) {
 		wimax_dev->rf_hw = state;
-		if (wimax_dev->rf_hw == WIMAX_RF_ON
-		    && wimax_dev->rf_sw == WIMAX_RF_ON)
+		if (wimax_dev->rf_hw == WIMAX_RF_ON &&
+		    wimax_dev->rf_sw == WIMAX_RF_ON)
 			wimax_state = WIMAX_ST_READY;
 		else
 			wimax_state = WIMAX_ST_RADIO_OFF;
@@ -163,8 +163,8 @@ void wimax_report_rfkill_sw(struct wimax_dev *wimax_dev,
 
 	if (state != wimax_dev->rf_sw) {
 		wimax_dev->rf_sw = state;
-		if (wimax_dev->rf_hw == WIMAX_RF_ON
-		    && wimax_dev->rf_sw == WIMAX_RF_ON)
+		if (wimax_dev->rf_hw == WIMAX_RF_ON &&
+		    wimax_dev->rf_sw == WIMAX_RF_ON)
 			wimax_state = WIMAX_ST_READY;
 		else
 			wimax_state = WIMAX_ST_RADIO_OFF;
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 227d57b8dc4..96df34c3c6e 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -937,8 +937,8 @@ ieee80211_bss(struct wiphy *wiphy, struct iw_request_info *info,
 		ie += ie[1] + 2;
 	}
 
-	if (bss->pub.capability & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)
-	    || ismesh) {
+	if (bss->pub.capability & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS) ||
+	    ismesh) {
 		memset(&iwe, 0, sizeof(iwe));
 		iwe.cmd = SIOCGIWMODE;
 		if (ismesh)
diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c
index a4e5ddc8d4f..58dfb954974 100644
--- a/net/wireless/wext-core.c
+++ b/net/wireless/wext-core.c
@@ -911,8 +911,9 @@ static int wireless_process_ioctl(struct net *net, struct ifreq *ifr,
  */
 static int wext_permission_check(unsigned int cmd)
 {
-	if ((IW_IS_SET(cmd) || cmd == SIOCGIWENCODE || cmd == SIOCGIWENCODEEXT)
-	    && !capable(CAP_NET_ADMIN))
+	if ((IW_IS_SET(cmd) || cmd == SIOCGIWENCODE ||
+	     cmd == SIOCGIWENCODEEXT) &&
+	    !capable(CAP_NET_ADMIN))
 		return -EPERM;
 
 	return 0;
-- 
GitLab


From 0ccfe64d3f177a61a071b7a6fa363f0a292158c4 Mon Sep 17 00:00:00 2001
From: Denis Kirjanov <kirjanov@gmail.com>
Date: Sun, 29 Nov 2009 17:04:31 -0800
Subject: [PATCH 1638/1815] mv643xx: convert to netdev_tx_t

Signed-off-by: Denis Kirjanov <kirjanov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/mv643xx_eth.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c
index b62e61d4ca3..796a493f95a 100644
--- a/drivers/net/mv643xx_eth.c
+++ b/drivers/net/mv643xx_eth.c
@@ -849,7 +849,7 @@ no_csum:
 	return 0;
 }
 
-static int mv643xx_eth_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t mv643xx_eth_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	struct mv643xx_eth_private *mp = netdev_priv(dev);
 	int queue;
-- 
GitLab


From 5784946068f81c5f1cce2906a7655652e34f44f3 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Sun, 29 Nov 2009 15:08:21 +0000
Subject: [PATCH 1639/1815] sfc: Fold falcon_probe_nic_variant() into
 falcon_probe_nic()

falcon_probe_nic_variant() does a lot less than it used to, and a
lot less than it claims to.  Fold the remainder into its caller.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/falcon.c | 64 +++++++++++++++-------------------------
 1 file changed, 24 insertions(+), 40 deletions(-)

diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 2e4c7111463..63e6734d834 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -2806,40 +2806,6 @@ u32 efx_nic_fpga_ver(struct efx_nic *efx)
 	return EFX_OWORD_FIELD(altera_build, FRF_AZ_ALTERA_BUILD_VER);
 }
 
-/* Probe the NIC variant (revision, ASIC vs FPGA, function count, port
- * count, port speed).  Set workaround and feature flags accordingly.
- */
-static int falcon_probe_nic_variant(struct efx_nic *efx)
-{
-	efx_oword_t nic_stat;
-
-	if (efx_nic_fpga_ver(efx) != 0) {
-		EFX_ERR(efx, "Falcon FPGA not supported\n");
-		return -ENODEV;
-	}
-
-	efx_reado(efx, &nic_stat, FR_AB_NIC_STAT);
-
-	if (efx_nic_rev(efx) <= EFX_REV_FALCON_A1) {
-		u8 pci_rev = efx->pci_dev->revision;
-
-		if ((pci_rev == 0xff) || (pci_rev == 0)) {
-			EFX_ERR(efx, "Falcon rev A0 not supported\n");
-			return -ENODEV;
-		}
-		if (EFX_OWORD_FIELD(nic_stat, FRF_AB_STRAP_10G) == 0) {
-			EFX_ERR(efx, "Falcon rev A1 1G not supported\n");
-			return -ENODEV;
-		}
-		if (EFX_OWORD_FIELD(nic_stat, FRF_AA_STRAP_PCIE) == 0) {
-			EFX_ERR(efx, "Falcon rev A1 PCI-X not supported\n");
-			return -ENODEV;
-		}
-	}
-
-	return 0;
-}
-
 /* Probe all SPI devices on the NIC */
 static void falcon_probe_spi_devices(struct efx_nic *efx)
 {
@@ -2891,15 +2857,33 @@ static int falcon_probe_nic(struct efx_nic *efx)
 		return -ENOMEM;
 	efx->nic_data = nic_data;
 
-	/* Determine number of ports etc. */
-	rc = falcon_probe_nic_variant(efx);
-	if (rc)
+	rc = -ENODEV;
+
+	if (efx_nic_fpga_ver(efx) != 0) {
+		EFX_ERR(efx, "Falcon FPGA not supported\n");
 		goto fail1;
+	}
+
+	if (efx_nic_rev(efx) <= EFX_REV_FALCON_A1) {
+		efx_oword_t nic_stat;
+		struct pci_dev *dev;
+		u8 pci_rev = efx->pci_dev->revision;
 
-	/* Probe secondary function if expected */
-	if (efx_nic_is_dual_func(efx)) {
-		struct pci_dev *dev = pci_dev_get(efx->pci_dev);
+		if ((pci_rev == 0xff) || (pci_rev == 0)) {
+			EFX_ERR(efx, "Falcon rev A0 not supported\n");
+			goto fail1;
+		}
+		efx_reado(efx, &nic_stat, FR_AB_NIC_STAT);
+		if (EFX_OWORD_FIELD(nic_stat, FRF_AB_STRAP_10G) == 0) {
+			EFX_ERR(efx, "Falcon rev A1 1G not supported\n");
+			goto fail1;
+		}
+		if (EFX_OWORD_FIELD(nic_stat, FRF_AA_STRAP_PCIE) == 0) {
+			EFX_ERR(efx, "Falcon rev A1 PCI-X not supported\n");
+			goto fail1;
+		}
 
+		dev = pci_dev_get(efx->pci_dev);
 		while ((dev = pci_get_device(EFX_VENDID_SFC, FALCON_A_S_DEVID,
 					     dev))) {
 			if (dev->bus == efx->pci_dev->bus &&
-- 
GitLab


From e58f69f4082f60076885798fae8f3a17ea713bf6 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Sun, 29 Nov 2009 15:08:41 +0000
Subject: [PATCH 1640/1815] sfc: Extend loopback mode enumeration

New NICs and PHYs support a wider variety of loopback modes.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c         |  19 +++++-
 drivers/net/sfc/enum.h        | 106 +++++++++++++++++++++++++++-------
 drivers/net/sfc/falcon_xmac.c |   2 +-
 drivers/net/sfc/mdio_10g.c    |   4 +-
 drivers/net/sfc/net_driver.h  |   2 +-
 drivers/net/sfc/qt202x_phy.c  |   2 +-
 drivers/net/sfc/tenxpress.c   |   4 +-
 7 files changed, 111 insertions(+), 28 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index e5c33c66eda..75dcaaedc3e 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -36,15 +36,32 @@
 const unsigned int efx_loopback_mode_max = LOOPBACK_MAX;
 const char *efx_loopback_mode_names[] = {
 	[LOOPBACK_NONE]		= "NONE",
+	[LOOPBACK_DATA]		= "DATAPATH",
 	[LOOPBACK_GMAC]		= "GMAC",
 	[LOOPBACK_XGMII]	= "XGMII",
 	[LOOPBACK_XGXS]		= "XGXS",
 	[LOOPBACK_XAUI]  	= "XAUI",
+	[LOOPBACK_GMII] 	= "GMII",
+	[LOOPBACK_SGMII] 	= "SGMII",
+	[LOOPBACK_XGBR]		= "XGBR",
+	[LOOPBACK_XFI]		= "XFI",
+	[LOOPBACK_XAUI_FAR]	= "XAUI_FAR",
+	[LOOPBACK_GMII_FAR]	= "GMII_FAR",
+	[LOOPBACK_SGMII_FAR]	= "SGMII_FAR",
+	[LOOPBACK_XFI_FAR]	= "XFI_FAR",
 	[LOOPBACK_GPHY]		= "GPHY",
 	[LOOPBACK_PHYXS]	= "PHYXS",
 	[LOOPBACK_PCS]	 	= "PCS",
 	[LOOPBACK_PMAPMD] 	= "PMA/PMD",
-	[LOOPBACK_NETWORK]	= "NETWORK",
+	[LOOPBACK_XPORT]	= "XPORT",
+	[LOOPBACK_XGMII_WS]	= "XGMII_WS",
+	[LOOPBACK_XAUI_WS]  	= "XAUI_WS",
+	[LOOPBACK_XAUI_WS_FAR]  = "XAUI_WS_FAR",
+	[LOOPBACK_XAUI_WS_NEAR] = "XAUI_WS_NEAR",
+	[LOOPBACK_GMII_WS] 	= "GMII_WS",
+	[LOOPBACK_XFI_WS]	= "XFI_WS",
+	[LOOPBACK_XFI_WS_FAR]	= "XFI_WS_FAR",
+	[LOOPBACK_PHYXS_WS]  	= "PHYXS_WS",
 };
 
 /* Interrupt mode names (see INT_MODE())) */
diff --git a/drivers/net/sfc/enum.h b/drivers/net/sfc/enum.h
index fcd14b73f24..7a9e79ab931 100644
--- a/drivers/net/sfc/enum.h
+++ b/drivers/net/sfc/enum.h
@@ -13,38 +13,101 @@
 /**
  * enum efx_loopback_mode - loopback modes
  * @LOOPBACK_NONE: no loopback
- * @LOOPBACK_GMAC: loopback within GMAC at unspecified level
- * @LOOPBACK_XGMII: loopback within XMAC at XGMII level
- * @LOOPBACK_XGXS: loopback within XMAC at XGXS level
- * @LOOPBACK_XAUI: loopback within XMAC at XAUI level
+ * @LOOPBACK_DATA: data path loopback
+ * @LOOPBACK_GMAC: loopback within GMAC
+ * @LOOPBACK_XGMII: loopback after XMAC
+ * @LOOPBACK_XGXS: loopback within BPX after XGXS
+ * @LOOPBACK_XAUI: loopback within BPX before XAUI serdes
+ * @LOOPBACK_GMII: loopback within BPX after GMAC
+ * @LOOPBACK_SGMII: loopback within BPX within SGMII
+ * @LOOPBACK_XGBR: loopback within BPX within XGBR
+ * @LOOPBACK_XFI: loopback within BPX before XFI serdes
+ * @LOOPBACK_XAUI_FAR: loopback within BPX after XAUI serdes
+ * @LOOPBACK_GMII_FAR: loopback within BPX before SGMII
+ * @LOOPBACK_SGMII_FAR: loopback within BPX after SGMII
+ * @LOOPBACK_XFI_FAR: loopback after XFI serdes
  * @LOOPBACK_GPHY: loopback within 1G PHY at unspecified level
  * @LOOPBACK_PHYXS: loopback within 10G PHY at PHYXS level
  * @LOOPBACK_PCS: loopback within 10G PHY at PCS level
  * @LOOPBACK_PMAPMD: loopback within 10G PHY at PMAPMD level
- * @LOOPBACK_NETWORK: reflecting loopback (even further than furthest!)
+ * @LOOPBACK_XPORT: cross port loopback
+ * @LOOPBACK_XGMII_WS: wireside loopback excluding XMAC
+ * @LOOPBACK_XAUI_WS: wireside loopback within BPX within XAUI serdes
+ * @LOOPBACK_XAUI_WS_FAR: wireside loopback within BPX including XAUI serdes
+ * @LOOPBACK_XAUI_WS_NEAR: wireside loopback within BPX excluding XAUI serdes
+ * @LOOPBACK_GMII_WS: wireside loopback excluding GMAC
+ * @LOOPBACK_XFI_WS: wireside loopback excluding XFI serdes
+ * @LOOPBACK_XFI_WS_FAR: wireside loopback including XFI serdes
+ * @LOOPBACK_PHYXS_WS: wireside loopback within 10G PHY at PHYXS level
  */
-/* Please keep in order and up-to-date w.r.t the following two #defines */
+/* Please keep up-to-date w.r.t the following two #defines */
 enum efx_loopback_mode {
 	LOOPBACK_NONE = 0,
-	LOOPBACK_GMAC = 1,
-	LOOPBACK_XGMII = 2,
-	LOOPBACK_XGXS = 3,
-	LOOPBACK_XAUI = 4,
-	LOOPBACK_GPHY = 5,
-	LOOPBACK_PHYXS = 6,
-	LOOPBACK_PCS = 7,
-	LOOPBACK_PMAPMD = 8,
-	LOOPBACK_NETWORK = 9,
+	LOOPBACK_DATA = 1,
+	LOOPBACK_GMAC = 2,
+	LOOPBACK_XGMII = 3,
+	LOOPBACK_XGXS = 4,
+	LOOPBACK_XAUI = 5,
+	LOOPBACK_GMII = 6,
+	LOOPBACK_SGMII = 7,
+	LOOPBACK_XGBR = 8,
+	LOOPBACK_XFI = 9,
+	LOOPBACK_XAUI_FAR = 10,
+	LOOPBACK_GMII_FAR = 11,
+	LOOPBACK_SGMII_FAR = 12,
+	LOOPBACK_XFI_FAR = 13,
+	LOOPBACK_GPHY = 14,
+	LOOPBACK_PHYXS = 15,
+	LOOPBACK_PCS = 16,
+	LOOPBACK_PMAPMD = 17,
+	LOOPBACK_XPORT = 18,
+	LOOPBACK_XGMII_WS = 19,
+	LOOPBACK_XAUI_WS = 20,
+	LOOPBACK_XAUI_WS_FAR = 21,
+	LOOPBACK_XAUI_WS_NEAR = 22,
+	LOOPBACK_GMII_WS = 23,
+	LOOPBACK_XFI_WS = 24,
+	LOOPBACK_XFI_WS_FAR = 25,
+	LOOPBACK_PHYXS_WS = 26,
 	LOOPBACK_MAX
 };
-
 #define LOOPBACK_TEST_MAX LOOPBACK_PMAPMD
 
 /* These loopbacks occur within the controller */
-#define LOOPBACKS_INTERNAL ((1 << LOOPBACK_GMAC) |     \
-			    (1 << LOOPBACK_XGMII)|     \
-			    (1 << LOOPBACK_XGXS) |     \
-			    (1 << LOOPBACK_XAUI))
+#define LOOPBACKS_INTERNAL ((1 << LOOPBACK_DATA) |		\
+			    (1 << LOOPBACK_GMAC) |		\
+			    (1 << LOOPBACK_XGMII)|		\
+			    (1 << LOOPBACK_XGXS) |		\
+			    (1 << LOOPBACK_XAUI) |		\
+			    (1 << LOOPBACK_GMII) |		\
+			    (1 << LOOPBACK_SGMII) |		\
+			    (1 << LOOPBACK_SGMII) |		\
+			    (1 << LOOPBACK_XGBR) |		\
+			    (1 << LOOPBACK_XFI) |		\
+			    (1 << LOOPBACK_XAUI_FAR) |		\
+			    (1 << LOOPBACK_GMII_FAR) |		\
+			    (1 << LOOPBACK_SGMII_FAR) |		\
+			    (1 << LOOPBACK_XFI_FAR) |		\
+			    (1 << LOOPBACK_XGMII_WS) |		\
+			    (1 << LOOPBACK_XAUI_WS) |		\
+			    (1 << LOOPBACK_XAUI_WS_FAR) |	\
+			    (1 << LOOPBACK_XAUI_WS_NEAR) |	\
+			    (1 << LOOPBACK_GMII_WS) |		\
+			    (1 << LOOPBACK_XFI_WS) |		\
+			    (1 << LOOPBACK_XFI_WS_FAR))
+
+#define LOOPBACKS_WS ((1 << LOOPBACK_XGMII_WS) |		\
+		      (1 << LOOPBACK_XAUI_WS) |			\
+		      (1 << LOOPBACK_XAUI_WS_FAR) |		\
+		      (1 << LOOPBACK_XAUI_WS_NEAR) |		\
+		      (1 << LOOPBACK_GMII_WS) |			\
+		      (1 << LOOPBACK_XFI_WS) |			\
+		      (1 << LOOPBACK_XFI_WS_FAR) |		\
+		      (1 << LOOPBACK_PHYXS_WS))
+
+#define LOOPBACKS_EXTERNAL(_efx)					\
+	((_efx)->loopback_modes & ~LOOPBACKS_INTERNAL &			\
+	 ~(1 << LOOPBACK_NONE))
 
 #define LOOPBACK_MASK(_efx)			\
 	(1 << (_efx)->loopback_mode)
@@ -52,6 +115,9 @@ enum efx_loopback_mode {
 #define LOOPBACK_INTERNAL(_efx)				\
 	(!!(LOOPBACKS_INTERNAL & LOOPBACK_MASK(_efx)))
 
+#define LOOPBACK_EXTERNAL(_efx)				\
+	(!!(LOOPBACK_MASK(_efx) & LOOPBACKS_EXTERNAL(_efx)))
+
 #define LOOPBACK_CHANGED(_from, _to, _mask)				\
 	(!!((LOOPBACK_MASK(_from) ^ LOOPBACK_MASK(_to)) & (_mask)))
 
diff --git a/drivers/net/sfc/falcon_xmac.c b/drivers/net/sfc/falcon_xmac.c
index 898afc1b5ef..83da79279a9 100644
--- a/drivers/net/sfc/falcon_xmac.c
+++ b/drivers/net/sfc/falcon_xmac.c
@@ -249,7 +249,7 @@ static bool falcon_check_xaui_link_up(struct efx_nic *efx, int tries)
 {
 	bool mac_up = falcon_xaui_link_ok(efx);
 
-	if ((efx->loopback_mode == LOOPBACK_NETWORK) ||
+	if (LOOPBACK_MASK(efx) & LOOPBACKS_EXTERNAL(efx) & LOOPBACKS_WS ||
 	    efx_phy_mode_disabled(efx->phy_mode))
 		/* XAUI link is expected to be down */
 		return mac_up;
diff --git a/drivers/net/sfc/mdio_10g.c b/drivers/net/sfc/mdio_10g.c
index 1f62a5c002f..e6ca988abbb 100644
--- a/drivers/net/sfc/mdio_10g.c
+++ b/drivers/net/sfc/mdio_10g.c
@@ -173,7 +173,7 @@ bool efx_mdio_links_ok(struct efx_nic *efx, unsigned int mmd_mask)
 	 * of mmd's */
 	if (LOOPBACK_INTERNAL(efx))
 		return true;
-	else if (efx->loopback_mode == LOOPBACK_NETWORK)
+	else if (LOOPBACK_MASK(efx) & LOOPBACKS_WS)
 		return false;
 	else if (efx_phy_mode_disabled(efx->phy_mode))
 		return false;
@@ -210,7 +210,7 @@ void efx_mdio_phy_reconfigure(struct efx_nic *efx)
 			  efx->loopback_mode == LOOPBACK_PCS);
 	efx_mdio_set_flag(efx, MDIO_MMD_PHYXS,
 			  MDIO_CTRL1, MDIO_PHYXS_CTRL1_LOOPBACK,
-			  efx->loopback_mode == LOOPBACK_NETWORK);
+			  efx->loopback_mode == LOOPBACK_PHYXS_WS);
 }
 
 static void efx_mdio_set_mmd_lpower(struct efx_nic *efx,
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index 62b2089b05d..cd2debb0a55 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -824,7 +824,7 @@ struct efx_nic {
 
 	atomic_t rx_reset;
 	enum efx_loopback_mode loopback_mode;
-	unsigned int loopback_modes;
+	u64 loopback_modes;
 
 	void *loopback_selftest;
 };
diff --git a/drivers/net/sfc/qt202x_phy.c b/drivers/net/sfc/qt202x_phy.c
index 4c38516a552..49a5ab5efb9 100644
--- a/drivers/net/sfc/qt202x_phy.c
+++ b/drivers/net/sfc/qt202x_phy.c
@@ -23,7 +23,7 @@
 
 #define QT202X_LOOPBACKS ((1 << LOOPBACK_PCS) |		\
 			  (1 << LOOPBACK_PMAPMD) |	\
-			  (1 << LOOPBACK_NETWORK))
+			  (1 << LOOPBACK_PHYXS_WS))
 
 /****************************************************************************/
 /* Quake-specific MDIO registers */
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c
index c30185393cd..0dfb2275a15 100644
--- a/drivers/net/sfc/tenxpress.c
+++ b/drivers/net/sfc/tenxpress.c
@@ -30,13 +30,13 @@
 #define SFX7101_LOOPBACKS ((1 << LOOPBACK_PHYXS) |	\
 			   (1 << LOOPBACK_PCS) |	\
 			   (1 << LOOPBACK_PMAPMD) |	\
-			   (1 << LOOPBACK_NETWORK))
+			   (1 << LOOPBACK_PHYXS_WS))
 
 #define SFT9001_LOOPBACKS ((1 << LOOPBACK_GPHY) |	\
 			   (1 << LOOPBACK_PHYXS) |	\
 			   (1 << LOOPBACK_PCS) |	\
 			   (1 << LOOPBACK_PMAPMD) |	\
-			   (1 << LOOPBACK_NETWORK))
+			   (1 << LOOPBACK_PHYXS_WS))
 
 /* We complain if we fail to see the link partner as 10G capable this many
  * times in a row (must be > 1 as sampling the autoneg. registers is racy)
-- 
GitLab


From c1c4f453b61463df4df16f7aa5782fc0cfe05b9e Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Sun, 29 Nov 2009 15:08:55 +0000
Subject: [PATCH 1641/1815] sfc: Remove static PHY data and enumerations

New NICs have firmware managing the PHY, and we will discover the PHY
capabilities at run-time.  Replace the static data with probe() and
test_name() operations.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/ethtool.c     | 18 ++++++++++---
 drivers/net/sfc/falcon.c      | 15 +++--------
 drivers/net/sfc/falcon.h      | 20 ++++++++++++++
 drivers/net/sfc/falcon_xmac.c |  2 +-
 drivers/net/sfc/mdio_10g.c    |  4 +--
 drivers/net/sfc/net_driver.h  | 35 +++++--------------------
 drivers/net/sfc/qt202x_phy.c  | 12 ++++++---
 drivers/net/sfc/selftest.c    |  5 +---
 drivers/net/sfc/tenxpress.c   | 49 ++++++++++++++++++++++++++---------
 9 files changed, 95 insertions(+), 65 deletions(-)

diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index e86cbca75ea..4fe874052e3 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -365,9 +365,21 @@ static int efx_ethtool_fill_self_tests(struct efx_nic *efx,
 	efx_fill_test(n++, strings, data, &tests->registers,
 		      "core", 0, "registers", NULL);
 
-	for (i = 0; i < efx->phy_op->num_tests; i++)
-		efx_fill_test(n++, strings, data, &tests->phy[i],
-			      "phy", 0, efx->phy_op->test_names[i], NULL);
+	if (efx->phy_op->run_tests != NULL) {
+		EFX_BUG_ON_PARANOID(efx->phy_op->test_name == NULL);
+
+		for (i = 0; true; ++i) {
+			const char *name;
+
+			EFX_BUG_ON_PARANOID(i >= EFX_MAX_PHY_TESTS);
+			name = efx->phy_op->test_name(efx, i);
+			if (name == NULL)
+				break;
+
+			efx_fill_test(n++, strings, data, &tests->phy[i],
+				      "phy", 0, name, NULL);
+		}
+	}
 
 	/* Loopback tests */
 	for (mode = LOOPBACK_NONE; mode <= LOOPBACK_TEST_MAX; mode++) {
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 63e6734d834..29d45376e4c 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -2291,19 +2291,12 @@ static int falcon_probe_port(struct efx_nic *efx)
 		return -ENODEV;
 	}
 
-	if (efx->phy_op->macs & EFX_XMAC)
-		efx->loopback_modes |= ((1 << LOOPBACK_XGMII) |
-					(1 << LOOPBACK_XGXS) |
-					(1 << LOOPBACK_XAUI));
-	if (efx->phy_op->macs & EFX_GMAC)
-		efx->loopback_modes |= (1 << LOOPBACK_GMAC);
-	efx->loopback_modes |= efx->phy_op->loopbacks;
-
-	/* Set up MDIO structure for PHY */
-	efx->mdio.mmds = efx->phy_op->mmds;
-	efx->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
+	/* Fill out MDIO structure and loopback modes */
 	efx->mdio.mdio_read = falcon_mdio_read;
 	efx->mdio.mdio_write = falcon_mdio_write;
+	rc = efx->phy_op->probe(efx);
+	if (rc != 0)
+		return rc;
 
 	/* Initial assumption */
 	efx->link_state.speed = 10000;
diff --git a/drivers/net/sfc/falcon.h b/drivers/net/sfc/falcon.h
index 875b58e94e8..3085ecfacee 100644
--- a/drivers/net/sfc/falcon.h
+++ b/drivers/net/sfc/falcon.h
@@ -38,6 +38,26 @@ static inline bool efx_nic_is_dual_func(struct efx_nic *efx)
 	return efx_nic_rev(efx) < EFX_REV_FALCON_B0;
 }
 
+enum {
+	PHY_TYPE_NONE = 0,
+	PHY_TYPE_TXC43128 = 1,
+	PHY_TYPE_88E1111 = 2,
+	PHY_TYPE_SFX7101 = 3,
+	PHY_TYPE_QT2022C2 = 4,
+	PHY_TYPE_PM8358 = 6,
+	PHY_TYPE_SFT9001A = 8,
+	PHY_TYPE_QT2025C = 9,
+	PHY_TYPE_SFT9001B = 10,
+};
+
+#define FALCON_XMAC_LOOPBACKS			\
+	((1 << LOOPBACK_XGMII) |		\
+	 (1 << LOOPBACK_XGXS) |			\
+	 (1 << LOOPBACK_XAUI))
+
+#define FALCON_GMAC_LOOPBACKS			\
+	(1 << LOOPBACK_GMAC)
+
 /**
  * struct falcon_board_type - board operations and type information
  * @id: Board type id, as found in NVRAM
diff --git a/drivers/net/sfc/falcon_xmac.c b/drivers/net/sfc/falcon_xmac.c
index 83da79279a9..643622df6e6 100644
--- a/drivers/net/sfc/falcon_xmac.c
+++ b/drivers/net/sfc/falcon_xmac.c
@@ -137,7 +137,7 @@ static bool falcon_xaui_link_ok(struct efx_nic *efx)
 
 	/* If the link is up, then check the phy side of the xaui link */
 	if (efx->link_state.up && link_ok)
-		if (efx->phy_op->mmds & (1 << MDIO_MMD_PHYXS))
+		if (efx->mdio.mmds & (1 << MDIO_MMD_PHYXS))
 			link_ok = efx_mdio_phyxgxs_lane_sync(efx);
 
 	return link_ok;
diff --git a/drivers/net/sfc/mdio_10g.c b/drivers/net/sfc/mdio_10g.c
index e6ca988abbb..20e627431d2 100644
--- a/drivers/net/sfc/mdio_10g.c
+++ b/drivers/net/sfc/mdio_10g.c
@@ -15,6 +15,7 @@
 #include "net_driver.h"
 #include "mdio_10g.h"
 #include "workarounds.h"
+#include "falcon.h"
 
 unsigned efx_mdio_id_oui(u32 id)
 {
@@ -312,8 +313,7 @@ void efx_mdio_an_reconfigure(struct efx_nic *efx)
 	/* Enable and restart AN */
 	reg = efx_mdio_read(efx, MDIO_MMD_AN, MDIO_CTRL1);
 	reg |= MDIO_AN_CTRL1_ENABLE;
-	if (!(EFX_WORKAROUND_15195(efx) &&
-	      LOOPBACK_MASK(efx) & efx->phy_op->loopbacks))
+	if (!(EFX_WORKAROUND_15195(efx) && LOOPBACK_EXTERNAL(efx)))
 		reg |= MDIO_AN_CTRL1_RESTART;
 	if (xnp)
 		reg |= MDIO_AN_CTRL1_XNP;
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index cd2debb0a55..452f83510b0 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -428,19 +428,6 @@ enum efx_int_mode {
 };
 #define EFX_INT_MODE_USE_MSI(x) (((x)->interrupt_mode) <= EFX_INT_MODE_MSI)
 
-enum phy_type {
-	PHY_TYPE_NONE = 0,
-	PHY_TYPE_TXC43128 = 1,
-	PHY_TYPE_88E1111 = 2,
-	PHY_TYPE_SFX7101 = 3,
-	PHY_TYPE_QT2022C2 = 4,
-	PHY_TYPE_PM8358 = 6,
-	PHY_TYPE_SFT9001A = 8,
-	PHY_TYPE_QT2025C = 9,
-	PHY_TYPE_SFT9001B = 10,
-	PHY_TYPE_MAX	/* Insert any new items before this */
-};
-
 #define EFX_IS10G(efx) ((efx)->link_state.speed == 10000)
 
 enum nic_state {
@@ -483,12 +470,6 @@ enum efx_fc_type {
 	EFX_FC_AUTO = 4,
 };
 
-/* Supported MAC bit-mask */
-enum efx_mac_type {
-	EFX_GMAC = 1,
-	EFX_XMAC = 2,
-};
-
 /**
  * struct efx_link_state - Current state of the link
  * @up: Link is up
@@ -524,6 +505,8 @@ struct efx_mac_operations {
 
 /**
  * struct efx_phy_operations - Efx PHY operations table
+ * @probe: Probe PHY and initialise efx->mdio.mode_support, efx->mdio.mmds,
+ *	efx->loopback_modes.
  * @init: Initialise PHY
  * @fini: Shut down PHY
  * @reconfigure: Reconfigure PHY (e.g. for new link parameters)
@@ -533,15 +516,12 @@ struct efx_mac_operations {
  * @set_settings: Set ethtool settings. Serialised by the mac_lock.
  * @set_npage_adv: Set abilities advertised in (Extended) Next Page
  *	(only needed where AN bit is set in mmds)
- * @num_tests: Number of PHY-specific tests/results
- * @test_names: Names of the tests/results
+ * @test_name: Get the name of a PHY-specific test/result
  * @run_tests: Run tests and record results as appropriate.
  *	Flags are the ethtool tests flags.
- * @mmds: MMD presence mask
- * @loopbacks: Supported loopback modes mask
  */
 struct efx_phy_operations {
-	enum efx_mac_type macs;
+	int (*probe) (struct efx_nic *efx);
 	int (*init) (struct efx_nic *efx);
 	void (*fini) (struct efx_nic *efx);
 	int (*reconfigure) (struct efx_nic *efx);
@@ -551,11 +531,8 @@ struct efx_phy_operations {
 	int (*set_settings) (struct efx_nic *efx,
 			     struct ethtool_cmd *ecmd);
 	void (*set_npage_adv) (struct efx_nic *efx, u32);
-	u32 num_tests;
-	const char *const *test_names;
+	const char *(*test_name) (struct efx_nic *efx, unsigned int index);
 	int (*run_tests) (struct efx_nic *efx, int *results, unsigned flags);
-	int mmds;
-	unsigned loopbacks;
 };
 
 /**
@@ -806,7 +783,7 @@ struct efx_nic {
 	struct efx_mac_operations *mac_op;
 	unsigned char mac_address[ETH_ALEN];
 
-	enum phy_type phy_type;
+	unsigned int phy_type;
 	struct mutex mdio_lock;
 	struct efx_phy_operations *phy_op;
 	void *phy_data;
diff --git a/drivers/net/sfc/qt202x_phy.c b/drivers/net/sfc/qt202x_phy.c
index 49a5ab5efb9..22b0e89ba8f 100644
--- a/drivers/net/sfc/qt202x_phy.c
+++ b/drivers/net/sfc/qt202x_phy.c
@@ -135,6 +135,14 @@ static int qt202x_reset_phy(struct efx_nic *efx)
 	return rc;
 }
 
+static int qt202x_phy_probe(struct efx_nic *efx)
+{
+	efx->mdio.mmds = QT202X_REQUIRED_DEVS;
+	efx->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
+	efx->loopback_modes = QT202X_LOOPBACKS | FALCON_XMAC_LOOPBACKS;
+	return 0;
+}
+
 static int qt202x_phy_init(struct efx_nic *efx)
 {
 	struct qt202x_phy_data *phy_data;
@@ -224,13 +232,11 @@ static void qt202x_phy_fini(struct efx_nic *efx)
 }
 
 struct efx_phy_operations falcon_qt202x_phy_ops = {
-	.macs		 = EFX_XMAC,
+	.probe		 = qt202x_phy_probe,
 	.init		 = qt202x_phy_init,
 	.reconfigure	 = qt202x_phy_reconfigure,
 	.poll	     	 = qt202x_phy_poll,
 	.fini	  	 = qt202x_phy_fini,
 	.get_settings	 = qt202x_phy_get_settings,
 	.set_settings	 = efx_mdio_set_settings,
-	.mmds            = QT202X_REQUIRED_DEVS,
-	.loopbacks       = QT202X_LOOPBACKS,
 };
diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c
index 9a240536deb..16258d83b70 100644
--- a/drivers/net/sfc/selftest.c
+++ b/drivers/net/sfc/selftest.c
@@ -100,7 +100,7 @@ static int efx_test_mdio(struct efx_nic *efx, struct efx_self_tests *tests)
 	}
 
 	if (EFX_IS10G(efx)) {
-		rc = efx_mdio_check_mmds(efx, efx->phy_op->mmds, 0);
+		rc = efx_mdio_check_mmds(efx, efx->mdio.mmds, 0);
 		if (rc)
 			goto out;
 	}
@@ -253,9 +253,6 @@ static int efx_test_phy(struct efx_nic *efx, struct efx_self_tests *tests,
 	if (!efx->phy_op->run_tests)
 		return 0;
 
-	EFX_BUG_ON_PARANOID(efx->phy_op->num_tests == 0 ||
-			    efx->phy_op->num_tests > EFX_MAX_PHY_TESTS);
-
 	mutex_lock(&efx->mac_lock);
 	rc = efx->phy_op->run_tests(efx, tests->phy, flags);
 	mutex_unlock(&efx->mac_lock);
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c
index 0dfb2275a15..8de97a9f271 100644
--- a/drivers/net/sfc/tenxpress.c
+++ b/drivers/net/sfc/tenxpress.c
@@ -298,6 +298,23 @@ static int tenxpress_init(struct efx_nic *efx)
 	return 0;
 }
 
+static int sfx7101_phy_probe(struct efx_nic *efx)
+{
+	efx->mdio.mmds = TENXPRESS_REQUIRED_DEVS;
+	efx->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
+	efx->loopback_modes = SFX7101_LOOPBACKS | FALCON_XMAC_LOOPBACKS;
+	return 0;
+}
+
+static int sft9001_phy_probe(struct efx_nic *efx)
+{
+	efx->mdio.mmds = TENXPRESS_REQUIRED_DEVS;
+	efx->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
+	efx->loopback_modes = (SFT9001_LOOPBACKS | FALCON_XMAC_LOOPBACKS |
+			       FALCON_GMAC_LOOPBACKS);
+	return 0;
+}
+
 static int tenxpress_phy_init(struct efx_nic *efx)
 {
 	struct tenxpress_phy_data *phy_data;
@@ -512,7 +529,7 @@ static int tenxpress_phy_reconfigure(struct efx_nic *efx)
 
 	phy_mode_change = (efx->phy_mode == PHY_MODE_NORMAL &&
 			   phy_data->phy_mode != PHY_MODE_NORMAL);
-	loop_reset = (LOOPBACK_OUT_OF(phy_data, efx, efx->phy_op->loopbacks) ||
+	loop_reset = (LOOPBACK_OUT_OF(phy_data, efx, LOOPBACKS_EXTERNAL(efx)) ||
 		      LOOPBACK_CHANGED(phy_data, efx, 1 << LOOPBACK_GPHY));
 
 	if (loop_reset || phy_mode_change) {
@@ -627,6 +644,13 @@ static const char *const sfx7101_test_names[] = {
 	"bist"
 };
 
+static const char *sfx7101_test_name(struct efx_nic *efx, unsigned int index)
+{
+	if (index < ARRAY_SIZE(sfx7101_test_names))
+		return sfx7101_test_names[index];
+	return NULL;
+}
+
 static int
 sfx7101_run_tests(struct efx_nic *efx, int *results, unsigned flags)
 {
@@ -656,6 +680,13 @@ static const char *const sft9001_test_names[] = {
 	"cable.pairD.length",
 };
 
+static const char *sft9001_test_name(struct efx_nic *efx, unsigned int index)
+{
+	if (index < ARRAY_SIZE(sft9001_test_names))
+		return sft9001_test_names[index];
+	return NULL;
+}
+
 static int sft9001_run_tests(struct efx_nic *efx, int *results, unsigned flags)
 {
 	int rc = 0, rc2, i, ctrl_reg, res_reg;
@@ -758,7 +789,7 @@ tenxpress_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
 	 * but doesn't advertise the correct speed. So override it */
 	if (efx->loopback_mode == LOOPBACK_GPHY)
 		ecmd->speed = SPEED_1000;
-	else if (LOOPBACK_MASK(efx) & efx->phy_op->loopbacks)
+	else if (LOOPBACK_EXTERNAL(efx))
 		ecmd->speed = SPEED_10000;
 }
 
@@ -788,7 +819,7 @@ static void sft9001_set_npage_adv(struct efx_nic *efx, u32 advertising)
 }
 
 struct efx_phy_operations falcon_sfx7101_phy_ops = {
-	.macs		  = EFX_XMAC,
+	.probe		  = sfx7101_phy_probe,
 	.init             = tenxpress_phy_init,
 	.reconfigure      = tenxpress_phy_reconfigure,
 	.poll             = tenxpress_phy_poll,
@@ -796,15 +827,12 @@ struct efx_phy_operations falcon_sfx7101_phy_ops = {
 	.get_settings	  = tenxpress_get_settings,
 	.set_settings	  = tenxpress_set_settings,
 	.set_npage_adv    = sfx7101_set_npage_adv,
-	.num_tests	  = ARRAY_SIZE(sfx7101_test_names),
-	.test_names	  = sfx7101_test_names,
+	.test_name	  = sfx7101_test_name,
 	.run_tests	  = sfx7101_run_tests,
-	.mmds             = TENXPRESS_REQUIRED_DEVS,
-	.loopbacks        = SFX7101_LOOPBACKS,
 };
 
 struct efx_phy_operations falcon_sft9001_phy_ops = {
-	.macs		  = EFX_GMAC | EFX_XMAC,
+	.probe		  = sft9001_phy_probe,
 	.init             = tenxpress_phy_init,
 	.reconfigure      = tenxpress_phy_reconfigure,
 	.poll             = tenxpress_phy_poll,
@@ -812,9 +840,6 @@ struct efx_phy_operations falcon_sft9001_phy_ops = {
 	.get_settings	  = tenxpress_get_settings,
 	.set_settings	  = tenxpress_set_settings,
 	.set_npage_adv    = sft9001_set_npage_adv,
-	.num_tests	  = ARRAY_SIZE(sft9001_test_names),
-	.test_names	  = sft9001_test_names,
+	.test_name	  = sft9001_test_name,
 	.run_tests	  = sft9001_run_tests,
-	.mmds             = TENXPRESS_REQUIRED_DEVS,
-	.loopbacks        = SFT9001_LOOPBACKS,
 };
-- 
GitLab


From 76884835684411264cda2f15585261eb02183541 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Sun, 29 Nov 2009 15:10:44 +0000
Subject: [PATCH 1642/1815] sfc: Extend MTD driver for use with new NICs

In new NICs flash is managed by firmware and we will use high-level
operations on partitions rather than direct SPI commands.  Add support
for multiple MTD partitions per flash device and remove the direct
link between MTD and SPI devices.  Maintain a list of MTD partitions
in struct efx_nic.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c        |   3 +
 drivers/net/sfc/ethtool.c    |   6 +-
 drivers/net/sfc/falcon.c     |  32 ++--
 drivers/net/sfc/mtd.c        | 312 ++++++++++++++++++++++++-----------
 drivers/net/sfc/net_driver.h |   8 +-
 drivers/net/sfc/spi.h        |  18 +-
 6 files changed, 255 insertions(+), 124 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 75dcaaedc3e..4fe6d635ef3 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -1977,6 +1977,9 @@ static int efx_init_struct(struct efx_nic *efx, struct efx_nic_type *type,
 	spin_lock_init(&efx->biu_lock);
 	mutex_init(&efx->mdio_lock);
 	mutex_init(&efx->spi_lock);
+#ifdef CONFIG_SFC_MTD
+	INIT_LIST_HEAD(&efx->mtd_list);
+#endif
 	INIT_WORK(&efx->reset_work, efx_reset_work);
 	INIT_DELAYED_WORK(&efx->monitor_work, efx_monitor);
 	efx->pci_dev = pci_dev;
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index 4fe874052e3..08a9db99374 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -567,7 +567,8 @@ static int efx_ethtool_get_eeprom(struct net_device *net_dev,
 	rc = mutex_lock_interruptible(&efx->spi_lock);
 	if (rc)
 		return rc;
-	rc = falcon_spi_read(spi, eeprom->offset + EFX_EEPROM_BOOTCONFIG_START,
+	rc = falcon_spi_read(efx, spi,
+			     eeprom->offset + EFX_EEPROM_BOOTCONFIG_START,
 			     eeprom->len, &len, buf);
 	mutex_unlock(&efx->spi_lock);
 
@@ -590,7 +591,8 @@ static int efx_ethtool_set_eeprom(struct net_device *net_dev,
 	rc = mutex_lock_interruptible(&efx->spi_lock);
 	if (rc)
 		return rc;
-	rc = falcon_spi_write(spi, eeprom->offset + EFX_EEPROM_BOOTCONFIG_START,
+	rc = falcon_spi_write(efx, spi,
+			      eeprom->offset + EFX_EEPROM_BOOTCONFIG_START,
 			      eeprom->len, &len, buf);
 	mutex_unlock(&efx->spi_lock);
 
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 29d45376e4c..950de847d22 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -1640,11 +1640,10 @@ static int falcon_spi_wait(struct efx_nic *efx)
 	}
 }
 
-int falcon_spi_cmd(const struct efx_spi_device *spi,
+int falcon_spi_cmd(struct efx_nic *efx, const struct efx_spi_device *spi,
 		   unsigned int command, int address,
 		   const void *in, void *out, size_t len)
 {
-	struct efx_nic *efx = spi->efx;
 	bool addressed = (address >= 0);
 	bool reading = (out != NULL);
 	efx_oword_t reg;
@@ -1713,15 +1712,15 @@ efx_spi_munge_command(const struct efx_spi_device *spi,
 }
 
 /* Wait up to 10 ms for buffered write completion */
-int falcon_spi_wait_write(const struct efx_spi_device *spi)
+int
+falcon_spi_wait_write(struct efx_nic *efx, const struct efx_spi_device *spi)
 {
-	struct efx_nic *efx = spi->efx;
 	unsigned long timeout = jiffies + 1 + DIV_ROUND_UP(HZ, 100);
 	u8 status;
 	int rc;
 
 	for (;;) {
-		rc = falcon_spi_cmd(spi, SPI_RDSR, -1, NULL,
+		rc = falcon_spi_cmd(efx, spi, SPI_RDSR, -1, NULL,
 				    &status, sizeof(status));
 		if (rc)
 			return rc;
@@ -1737,8 +1736,8 @@ int falcon_spi_wait_write(const struct efx_spi_device *spi)
 	}
 }
 
-int falcon_spi_read(const struct efx_spi_device *spi, loff_t start,
-		    size_t len, size_t *retlen, u8 *buffer)
+int falcon_spi_read(struct efx_nic *efx, const struct efx_spi_device *spi,
+		    loff_t start, size_t len, size_t *retlen, u8 *buffer)
 {
 	size_t block_len, pos = 0;
 	unsigned int command;
@@ -1748,7 +1747,7 @@ int falcon_spi_read(const struct efx_spi_device *spi, loff_t start,
 		block_len = min(len - pos, FALCON_SPI_MAX_LEN);
 
 		command = efx_spi_munge_command(spi, SPI_READ, start + pos);
-		rc = falcon_spi_cmd(spi, command, start + pos, NULL,
+		rc = falcon_spi_cmd(efx, spi, command, start + pos, NULL,
 				    buffer + pos, block_len);
 		if (rc)
 			break;
@@ -1767,8 +1766,9 @@ int falcon_spi_read(const struct efx_spi_device *spi, loff_t start,
 	return rc;
 }
 
-int falcon_spi_write(const struct efx_spi_device *spi, loff_t start,
-		     size_t len, size_t *retlen, const u8 *buffer)
+int
+falcon_spi_write(struct efx_nic *efx, const struct efx_spi_device *spi,
+		 loff_t start, size_t len, size_t *retlen, const u8 *buffer)
 {
 	u8 verify_buffer[FALCON_SPI_MAX_LEN];
 	size_t block_len, pos = 0;
@@ -1776,24 +1776,24 @@ int falcon_spi_write(const struct efx_spi_device *spi, loff_t start,
 	int rc = 0;
 
 	while (pos < len) {
-		rc = falcon_spi_cmd(spi, SPI_WREN, -1, NULL, NULL, 0);
+		rc = falcon_spi_cmd(efx, spi, SPI_WREN, -1, NULL, NULL, 0);
 		if (rc)
 			break;
 
 		block_len = min(len - pos,
 				falcon_spi_write_limit(spi, start + pos));
 		command = efx_spi_munge_command(spi, SPI_WRITE, start + pos);
-		rc = falcon_spi_cmd(spi, command, start + pos,
+		rc = falcon_spi_cmd(efx, spi, command, start + pos,
 				    buffer + pos, NULL, block_len);
 		if (rc)
 			break;
 
-		rc = falcon_spi_wait_write(spi);
+		rc = falcon_spi_wait_write(efx, spi);
 		if (rc)
 			break;
 
 		command = efx_spi_munge_command(spi, SPI_READ, start + pos);
-		rc = falcon_spi_cmd(spi, command, start + pos,
+		rc = falcon_spi_cmd(efx, spi, command, start + pos,
 				    NULL, verify_buffer, block_len);
 		if (memcmp(verify_buffer, buffer + pos, block_len)) {
 			rc = -EIO;
@@ -2352,7 +2352,7 @@ falcon_read_nvram(struct efx_nic *efx, struct falcon_nvconfig *nvconfig_out)
 	nvconfig = region + FALCON_NVCONFIG_OFFSET;
 
 	mutex_lock(&efx->spi_lock);
-	rc = falcon_spi_read(spi, 0, FALCON_NVCONFIG_END, NULL, region);
+	rc = falcon_spi_read(efx, spi, 0, FALCON_NVCONFIG_END, NULL, region);
 	mutex_unlock(&efx->spi_lock);
 	if (rc) {
 		EFX_ERR(efx, "Failed to read %s\n",
@@ -2710,8 +2710,6 @@ static int falcon_spi_device_init(struct efx_nic *efx,
 		spi_device->block_size =
 			1 << SPI_DEV_TYPE_FIELD(device_type,
 						SPI_DEV_TYPE_BLOCK_SIZE);
-
-		spi_device->efx = efx;
 	} else {
 		spi_device = NULL;
 	}
diff --git a/drivers/net/sfc/mtd.c b/drivers/net/sfc/mtd.c
index 820c233c3ea..3121e242d82 100644
--- a/drivers/net/sfc/mtd.c
+++ b/drivers/net/sfc/mtd.c
@@ -11,26 +11,58 @@
 #include <linux/module.h>
 #include <linux/mtd/mtd.h>
 #include <linux/delay.h>
+#include <linux/rtnetlink.h>
 
 #define EFX_DRIVER_NAME "sfc_mtd"
 #include "net_driver.h"
 #include "spi.h"
 #include "efx.h"
+#include "falcon.h"
 
 #define EFX_SPI_VERIFY_BUF_LEN 16
 
-struct efx_mtd {
-	const struct efx_spi_device *spi;
+struct efx_mtd_partition {
 	struct mtd_info mtd;
+	size_t offset;
+	const char *type_name;
 	char name[IFNAMSIZ + 20];
 };
 
+struct efx_mtd_ops {
+	int (*read)(struct mtd_info *mtd, loff_t start, size_t len,
+		    size_t *retlen, u8 *buffer);
+	int (*erase)(struct mtd_info *mtd, loff_t start, size_t len);
+	int (*write)(struct mtd_info *mtd, loff_t start, size_t len,
+		     size_t *retlen, const u8 *buffer);
+	int (*sync)(struct mtd_info *mtd);
+};
+
+struct efx_mtd {
+	struct list_head node;
+	struct efx_nic *efx;
+	const struct efx_spi_device *spi;
+	const char *name;
+	const struct efx_mtd_ops *ops;
+	size_t n_parts;
+	struct efx_mtd_partition part[0];
+};
+
+#define efx_for_each_partition(part, efx_mtd)			\
+	for ((part) = &(efx_mtd)->part[0];			\
+	     (part) != &(efx_mtd)->part[(efx_mtd)->n_parts];	\
+	     (part)++)
+
+#define to_efx_mtd_partition(mtd)				\
+	container_of(mtd, struct efx_mtd_partition, mtd)
+
+static int falcon_mtd_probe(struct efx_nic *efx);
+
 /* SPI utilities */
 
 static int efx_spi_slow_wait(struct efx_mtd *efx_mtd, bool uninterruptible)
 {
 	const struct efx_spi_device *spi = efx_mtd->spi;
-	struct efx_nic *efx = spi->efx;
+	struct efx_nic *efx = efx_mtd->efx;
 	u8 status;
 	int rc, i;
 
@@ -39,7 +71,7 @@ static int efx_spi_slow_wait(struct efx_mtd *efx_mtd, bool uninterruptible)
 		__set_current_state(uninterruptible ?
 				    TASK_UNINTERRUPTIBLE : TASK_INTERRUPTIBLE);
 		schedule_timeout(HZ / 10);
-		rc = falcon_spi_cmd(spi, SPI_RDSR, -1, NULL,
+		rc = falcon_spi_cmd(efx, spi, SPI_RDSR, -1, NULL,
 				    &status, sizeof(status));
 		if (rc)
 			return rc;
@@ -52,32 +84,35 @@ static int efx_spi_slow_wait(struct efx_mtd *efx_mtd, bool uninterruptible)
 	return -ETIMEDOUT;
 }
 
-static int efx_spi_unlock(const struct efx_spi_device *spi)
+static int
+efx_spi_unlock(struct efx_nic *efx, const struct efx_spi_device *spi)
 {
 	const u8 unlock_mask = (SPI_STATUS_BP2 | SPI_STATUS_BP1 |
 				SPI_STATUS_BP0);
 	u8 status;
 	int rc;
 
-	rc = falcon_spi_cmd(spi, SPI_RDSR, -1, NULL, &status, sizeof(status));
+	rc = falcon_spi_cmd(efx, spi, SPI_RDSR, -1, NULL,
+			    &status, sizeof(status));
 	if (rc)
 		return rc;
 
 	if (!(status & unlock_mask))
 		return 0; /* already unlocked */
 
-	rc = falcon_spi_cmd(spi, SPI_WREN, -1, NULL, NULL, 0);
+	rc = falcon_spi_cmd(efx, spi, SPI_WREN, -1, NULL, NULL, 0);
 	if (rc)
 		return rc;
-	rc = falcon_spi_cmd(spi, SPI_SST_EWSR, -1, NULL, NULL, 0);
+	rc = falcon_spi_cmd(efx, spi, SPI_SST_EWSR, -1, NULL, NULL, 0);
 	if (rc)
 		return rc;
 
 	status &= ~unlock_mask;
-	rc = falcon_spi_cmd(spi, SPI_WRSR, -1, &status, NULL, sizeof(status));
+	rc = falcon_spi_cmd(efx, spi, SPI_WRSR, -1, &status,
+			    NULL, sizeof(status));
 	if (rc)
 		return rc;
-	rc = falcon_spi_wait_write(spi);
+	rc = falcon_spi_wait_write(efx, spi);
 	if (rc)
 		return rc;
 
@@ -87,6 +122,7 @@ static int efx_spi_unlock(const struct efx_spi_device *spi)
 static int efx_spi_erase(struct efx_mtd *efx_mtd, loff_t start, size_t len)
 {
 	const struct efx_spi_device *spi = efx_mtd->spi;
+	struct efx_nic *efx = efx_mtd->efx;
 	unsigned pos, block_len;
 	u8 empty[EFX_SPI_VERIFY_BUF_LEN];
 	u8 buffer[EFX_SPI_VERIFY_BUF_LEN];
@@ -98,13 +134,14 @@ static int efx_spi_erase(struct efx_mtd *efx_mtd, loff_t start, size_t len)
 	if (spi->erase_command == 0)
 		return -EOPNOTSUPP;
 
-	rc = efx_spi_unlock(spi);
+	rc = efx_spi_unlock(efx, spi);
 	if (rc)
 		return rc;
-	rc = falcon_spi_cmd(spi, SPI_WREN, -1, NULL, NULL, 0);
+	rc = falcon_spi_cmd(efx, spi, SPI_WREN, -1, NULL, NULL, 0);
 	if (rc)
 		return rc;
-	rc = falcon_spi_cmd(spi, spi->erase_command, start, NULL, NULL, 0);
+	rc = falcon_spi_cmd(efx, spi, spi->erase_command, start, NULL,
+			    NULL, 0);
 	if (rc)
 		return rc;
 	rc = efx_spi_slow_wait(efx_mtd, false);
@@ -113,7 +150,8 @@ static int efx_spi_erase(struct efx_mtd *efx_mtd, loff_t start, size_t len)
 	memset(empty, 0xff, sizeof(empty));
 	for (pos = 0; pos < len; pos += block_len) {
 		block_len = min(len - pos, sizeof(buffer));
-		rc = falcon_spi_read(spi, start + pos, block_len, NULL, buffer);
+		rc = falcon_spi_read(efx, spi, start + pos, block_len,
+				     NULL, buffer);
 		if (rc)
 			return rc;
 		if (memcmp(empty, buffer, block_len))
@@ -130,140 +168,228 @@ static int efx_spi_erase(struct efx_mtd *efx_mtd, loff_t start, size_t len)
 
 /* MTD interface */
 
-static int efx_mtd_read(struct mtd_info *mtd, loff_t start, size_t len,
-			size_t *retlen, u8 *buffer)
+static int efx_mtd_erase(struct mtd_info *mtd, struct erase_info *erase)
+{
+	struct efx_mtd *efx_mtd = mtd->priv;
+	int rc;
+
+	rc = efx_mtd->ops->erase(mtd, erase->addr, erase->len);
+	if (rc == 0) {
+		erase->state = MTD_ERASE_DONE;
+	} else {
+		erase->state = MTD_ERASE_FAILED;
+		erase->fail_addr = 0xffffffff;
+	}
+	mtd_erase_callback(erase);
+	return rc;
+}
+
+static void efx_mtd_sync(struct mtd_info *mtd)
+{
+	struct efx_mtd *efx_mtd = mtd->priv;
+	struct efx_nic *efx = efx_mtd->efx;
+	int rc;
+
+	rc = efx_mtd->ops->sync(mtd);
+	if (rc)
+		EFX_ERR(efx, "%s sync failed (%d)\n", efx_mtd->name, rc);
+}
+
+static void efx_mtd_remove_partition(struct efx_mtd_partition *part)
+{
+	int rc;
+
+	for (;;) {
+		rc = del_mtd_device(&part->mtd);
+		if (rc != -EBUSY)
+			break;
+		ssleep(1);
+	}
+	WARN_ON(rc);
+}
+
+static void efx_mtd_remove_device(struct efx_mtd *efx_mtd)
+{
+	struct efx_mtd_partition *part;
+
+	efx_for_each_partition(part, efx_mtd)
+		efx_mtd_remove_partition(part);
+	list_del(&efx_mtd->node);
+	kfree(efx_mtd);
+}
+
+static void efx_mtd_rename_device(struct efx_mtd *efx_mtd)
+{
+	struct efx_mtd_partition *part;
+
+	efx_for_each_partition(part, efx_mtd)
+		snprintf(part->name, sizeof(part->name),
+			 "%s %s", efx_mtd->efx->name,
+			 part->type_name);
+}
+
+static int efx_mtd_probe_device(struct efx_nic *efx, struct efx_mtd *efx_mtd)
+{
+	struct efx_mtd_partition *part;
+
+	efx_mtd->efx = efx;
+
+	efx_mtd_rename_device(efx_mtd);
+
+	efx_for_each_partition(part, efx_mtd) {
+		part->mtd.writesize = 1;
+
+		part->mtd.owner = THIS_MODULE;
+		part->mtd.priv = efx_mtd;
+		part->mtd.name = part->name;
+		part->mtd.erase = efx_mtd_erase;
+		part->mtd.read = efx_mtd->ops->read;
+		part->mtd.write = efx_mtd->ops->write;
+		part->mtd.sync = efx_mtd_sync;
+
+		if (add_mtd_device(&part->mtd))
+			goto fail;
+	}
+
+	list_add(&efx_mtd->node, &efx->mtd_list);
+	return 0;
+
+fail:
+	while (part != &efx_mtd->part[0]) {
+		--part;
+		efx_mtd_remove_partition(part);
+	}
+	/* add_mtd_device() returns 1 if the MTD table is full */
+	return -ENOMEM;
+}
+
+void efx_mtd_remove(struct efx_nic *efx)
 {
+	struct efx_mtd *efx_mtd, *next;
+
+	WARN_ON(efx_dev_registered(efx));
+
+	list_for_each_entry_safe(efx_mtd, next, &efx->mtd_list, node)
+		efx_mtd_remove_device(efx_mtd);
+}
+
+void efx_mtd_rename(struct efx_nic *efx)
+{
+	struct efx_mtd *efx_mtd;
+
+	ASSERT_RTNL();
+
+	list_for_each_entry(efx_mtd, &efx->mtd_list, node)
+		efx_mtd_rename_device(efx_mtd);
+}
+
+int efx_mtd_probe(struct efx_nic *efx)
+{
+	return falcon_mtd_probe(efx);
+}
+
+/* Implementation of MTD operations for Falcon */
+
+static int falcon_mtd_read(struct mtd_info *mtd, loff_t start,
+			   size_t len, size_t *retlen, u8 *buffer)
+{
+	struct efx_mtd_partition *part = to_efx_mtd_partition(mtd);
 	struct efx_mtd *efx_mtd = mtd->priv;
 	const struct efx_spi_device *spi = efx_mtd->spi;
-	struct efx_nic *efx = spi->efx;
+	struct efx_nic *efx = efx_mtd->efx;
 	int rc;
 
 	rc = mutex_lock_interruptible(&efx->spi_lock);
 	if (rc)
 		return rc;
-	rc = falcon_spi_read(spi, FALCON_FLASH_BOOTCODE_START + start,
-			     len, retlen, buffer);
+	rc = falcon_spi_read(efx, spi, part->offset + start, len,
+			     retlen, buffer);
 	mutex_unlock(&efx->spi_lock);
 	return rc;
 }
 
-static int efx_mtd_erase(struct mtd_info *mtd, struct erase_info *erase)
+static int falcon_mtd_erase(struct mtd_info *mtd, loff_t start, size_t len)
 {
+	struct efx_mtd_partition *part = to_efx_mtd_partition(mtd);
 	struct efx_mtd *efx_mtd = mtd->priv;
-	struct efx_nic *efx = efx_mtd->spi->efx;
+	struct efx_nic *efx = efx_mtd->efx;
 	int rc;
 
 	rc = mutex_lock_interruptible(&efx->spi_lock);
 	if (rc)
 		return rc;
-	rc = efx_spi_erase(efx_mtd, FALCON_FLASH_BOOTCODE_START + erase->addr,
-			   erase->len);
+	rc = efx_spi_erase(efx_mtd, part->offset + start, len);
 	mutex_unlock(&efx->spi_lock);
-
-	if (rc == 0) {
-		erase->state = MTD_ERASE_DONE;
-	} else {
-		erase->state = MTD_ERASE_FAILED;
-		erase->fail_addr = 0xffffffff;
-	}
-	mtd_erase_callback(erase);
 	return rc;
 }
 
-static int efx_mtd_write(struct mtd_info *mtd, loff_t start,
-			 size_t len, size_t *retlen, const u8 *buffer)
+static int falcon_mtd_write(struct mtd_info *mtd, loff_t start,
+			    size_t len, size_t *retlen, const u8 *buffer)
 {
+	struct efx_mtd_partition *part = to_efx_mtd_partition(mtd);
 	struct efx_mtd *efx_mtd = mtd->priv;
 	const struct efx_spi_device *spi = efx_mtd->spi;
-	struct efx_nic *efx = spi->efx;
+	struct efx_nic *efx = efx_mtd->efx;
 	int rc;
 
 	rc = mutex_lock_interruptible(&efx->spi_lock);
 	if (rc)
 		return rc;
-	rc = falcon_spi_write(spi, FALCON_FLASH_BOOTCODE_START + start,
-			      len, retlen, buffer);
+	rc = falcon_spi_write(efx, spi, part->offset + start, len,
+			      retlen, buffer);
 	mutex_unlock(&efx->spi_lock);
 	return rc;
 }
 
-static void efx_mtd_sync(struct mtd_info *mtd)
+static int falcon_mtd_sync(struct mtd_info *mtd)
 {
 	struct efx_mtd *efx_mtd = mtd->priv;
-	struct efx_nic *efx = efx_mtd->spi->efx;
+	struct efx_nic *efx = efx_mtd->efx;
 	int rc;
 
 	mutex_lock(&efx->spi_lock);
 	rc = efx_spi_slow_wait(efx_mtd, true);
 	mutex_unlock(&efx->spi_lock);
-
-	if (rc)
-		EFX_ERR(efx, "%s sync failed (%d)\n", efx_mtd->name, rc);
-	return;
-}
-
-void efx_mtd_remove(struct efx_nic *efx)
-{
-	if (efx->spi_flash && efx->spi_flash->mtd) {
-		struct efx_mtd *efx_mtd = efx->spi_flash->mtd;
-		int rc;
-
-		for (;;) {
-			rc = del_mtd_device(&efx_mtd->mtd);
-			if (rc != -EBUSY)
-				break;
-			ssleep(1);
-		}
-		WARN_ON(rc);
-		kfree(efx_mtd);
-	}
+	return rc;
 }
 
-void efx_mtd_rename(struct efx_nic *efx)
-{
-	if (efx->spi_flash && efx->spi_flash->mtd) {
-		struct efx_mtd *efx_mtd = efx->spi_flash->mtd;
-		snprintf(efx_mtd->name, sizeof(efx_mtd->name),
-			 "%s sfc_flash_bootrom", efx->name);
-	}
-}
+static struct efx_mtd_ops falcon_mtd_ops = {
+	.read	= falcon_mtd_read,
+	.erase	= falcon_mtd_erase,
+	.write	= falcon_mtd_write,
+	.sync	= falcon_mtd_sync,
+};
 
-int efx_mtd_probe(struct efx_nic *efx)
+static int falcon_mtd_probe(struct efx_nic *efx)
 {
 	struct efx_spi_device *spi = efx->spi_flash;
 	struct efx_mtd *efx_mtd;
+	int rc;
+
+	ASSERT_RTNL();
 
 	if (!spi || spi->size <= FALCON_FLASH_BOOTCODE_START)
 		return -ENODEV;
 
-	efx_mtd = kzalloc(sizeof(*efx_mtd), GFP_KERNEL);
+	efx_mtd = kzalloc(sizeof(*efx_mtd) + sizeof(efx_mtd->part[0]),
+			  GFP_KERNEL);
 	if (!efx_mtd)
 		return -ENOMEM;
 
 	efx_mtd->spi = spi;
-	spi->mtd = efx_mtd;
-
-	efx_mtd->mtd.type = MTD_NORFLASH;
-	efx_mtd->mtd.flags = MTD_CAP_NORFLASH;
-	efx_mtd->mtd.size = spi->size - FALCON_FLASH_BOOTCODE_START;
-	efx_mtd->mtd.erasesize = spi->erase_size;
-	efx_mtd->mtd.writesize = 1;
-	efx_mtd_rename(efx);
-
-	efx_mtd->mtd.owner = THIS_MODULE;
-	efx_mtd->mtd.priv = efx_mtd;
-	efx_mtd->mtd.name = efx_mtd->name;
-	efx_mtd->mtd.erase = efx_mtd_erase;
-	efx_mtd->mtd.read = efx_mtd_read;
-	efx_mtd->mtd.write = efx_mtd_write;
-	efx_mtd->mtd.sync = efx_mtd_sync;
-
-	if (add_mtd_device(&efx_mtd->mtd)) {
+	efx_mtd->name = "flash";
+	efx_mtd->ops = &falcon_mtd_ops;
+
+	efx_mtd->n_parts = 1;
+	efx_mtd->part[0].mtd.type = MTD_NORFLASH;
+	efx_mtd->part[0].mtd.flags = MTD_CAP_NORFLASH;
+	efx_mtd->part[0].mtd.size = spi->size - FALCON_FLASH_BOOTCODE_START;
+	efx_mtd->part[0].mtd.erasesize = spi->erase_size;
+	efx_mtd->part[0].offset = FALCON_FLASH_BOOTCODE_START;
+	efx_mtd->part[0].type_name = "sfc_flash_bootrom";
+
+	rc = efx_mtd_probe_device(efx, efx_mtd);
+	if (rc)
 		kfree(efx_mtd);
-		spi->mtd = NULL;
-		/* add_mtd_device() returns 1 if the MTD table is full */
-		return -ENOMEM;
-	}
-
-	return 0;
+	return rc;
 }
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index 452f83510b0..e1534ba6ad7 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -674,10 +674,11 @@ union efx_multicast_hash {
  *	interrupt is handled.  It is used by falcon_test_interrupt()
  *	to verify that an interrupt has occurred.
  * @spi_flash: SPI flash device
- *	This field will be %NULL if no flash device is present.
+ *	This field will be %NULL if no flash device is present (or for Siena).
  * @spi_eeprom: SPI EEPROM device
- *	This field will be %NULL if no EEPROM device is present.
+ *	This field will be %NULL if no EEPROM device is present (or for Siena).
  * @spi_lock: SPI bus lock
+ * @mtd_list: List of MTDs attached to the NIC
  * @n_rx_nodesc_drop_cnt: RX no descriptor drop count
  * @nic_data: Hardware dependant state
  * @mac_lock: MAC access lock. Protects @port_enabled, @phy_mode,
@@ -759,6 +760,9 @@ struct efx_nic {
 	struct efx_spi_device *spi_flash;
 	struct efx_spi_device *spi_eeprom;
 	struct mutex spi_lock;
+#ifdef CONFIG_SFC_MTD
+	struct list_head mtd_list;
+#endif
 
 	unsigned n_rx_nodesc_drop_cnt;
 
diff --git a/drivers/net/sfc/spi.h b/drivers/net/sfc/spi.h
index 1b1ceb41167..8bf4fce0813 100644
--- a/drivers/net/sfc/spi.h
+++ b/drivers/net/sfc/spi.h
@@ -36,8 +36,6 @@
 
 /**
  * struct efx_spi_device - an Efx SPI (Serial Peripheral Interface) device
- * @efx:		The Efx controller that owns this device
- * @mtd:		MTD state
  * @device_id:		Controller's id for the device
  * @size:		Size (in bytes)
  * @addr_len:		Number of address bytes in read/write commands
@@ -54,10 +52,6 @@
  *	Write commands are limited to blocks with this size and alignment.
  */
 struct efx_spi_device {
-	struct efx_nic *efx;
-#ifdef CONFIG_SFC_MTD
-	void *mtd;
-#endif
 	int device_id;
 	unsigned int size;
 	unsigned int addr_len;
@@ -67,12 +61,16 @@ struct efx_spi_device {
 	unsigned int block_size;
 };
 
-int falcon_spi_cmd(const struct efx_spi_device *spi, unsigned int command,
+int falcon_spi_cmd(struct efx_nic *efx,
+		   const struct efx_spi_device *spi, unsigned int command,
 		   int address, const void* in, void *out, size_t len);
-int falcon_spi_wait_write(const struct efx_spi_device *spi);
-int falcon_spi_read(const struct efx_spi_device *spi, loff_t start,
+int falcon_spi_wait_write(struct efx_nic *efx,
+			  const struct efx_spi_device *spi);
+int falcon_spi_read(struct efx_nic *efx,
+		    const struct efx_spi_device *spi, loff_t start,
 		    size_t len, size_t *retlen, u8 *buffer);
-int falcon_spi_write(const struct efx_spi_device *spi, loff_t start,
+int falcon_spi_write(struct efx_nic *efx,
+		     const struct efx_spi_device *spi, loff_t start,
 		     size_t len, size_t *retlen, const u8 *buffer);
 
 /*
-- 
GitLab


From c383b53729a9bbbceee132a85955d084ba00ca3a Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Sun, 29 Nov 2009 15:11:02 +0000
Subject: [PATCH 1643/1815] sfc: Allow for additional checksum offload features

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c        |  2 +-
 drivers/net/sfc/ethtool.c    | 16 +++++++++++++++-
 drivers/net/sfc/falcon.c     |  2 ++
 drivers/net/sfc/net_driver.h |  3 +++
 4 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 4fe6d635ef3..c49d364ebdb 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -2179,7 +2179,7 @@ static int __devinit efx_pci_probe(struct pci_dev *pci_dev,
 	net_dev = alloc_etherdev(sizeof(*efx));
 	if (!net_dev)
 		return -ENOMEM;
-	net_dev->features |= (NETIF_F_IP_CSUM | NETIF_F_SG |
+	net_dev->features |= (type->offload_features | NETIF_F_SG |
 			      NETIF_F_HIGHDMA | NETIF_F_TSO |
 			      NETIF_F_GRO);
 	/* Mask for features that also apply to VLAN devices */
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index 08a9db99374..0a79ec7d45e 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -468,6 +468,19 @@ static void efx_ethtool_get_stats(struct net_device *net_dev,
 	}
 }
 
+static int efx_ethtool_set_tx_csum(struct net_device *net_dev, u32 enable)
+{
+	struct efx_nic *efx = netdev_priv(net_dev);
+	unsigned long features = efx->type->offload_features & NETIF_F_ALL_CSUM;
+
+	if (enable)
+		net_dev->features |= features;
+	else
+		net_dev->features &= ~features;
+
+	return 0;
+}
+
 static int efx_ethtool_set_rx_csum(struct net_device *net_dev, u32 enable)
 {
 	struct efx_nic *efx = netdev_priv(net_dev);
@@ -813,7 +826,8 @@ const struct ethtool_ops efx_ethtool_ops = {
 	.get_rx_csum		= efx_ethtool_get_rx_csum,
 	.set_rx_csum		= efx_ethtool_set_rx_csum,
 	.get_tx_csum		= ethtool_op_get_tx_csum,
-	.set_tx_csum		= ethtool_op_set_tx_csum,
+	/* Need to enable/disable IPv6 too */
+	.set_tx_csum		= efx_ethtool_set_tx_csum,
 	.get_sg			= ethtool_op_get_sg,
 	.set_sg			= ethtool_op_set_sg,
 	.get_tso		= ethtool_op_get_tso,
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 950de847d22..f77bbbeacb6 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -3304,6 +3304,7 @@ struct efx_nic_type falcon_a1_nic_type = {
 	.phys_addr_channels = 4,
 	.tx_dc_base = 0x130000,
 	.rx_dc_base = 0x100000,
+	.offload_features = NETIF_F_IP_CSUM,
 	.reset_world_flags = ETH_RESET_IRQ,
 };
 
@@ -3351,6 +3352,7 @@ struct efx_nic_type falcon_b0_nic_type = {
 				   * channels */
 	.tx_dc_base = 0x130000,
 	.rx_dc_base = 0x100000,
+	.offload_features = NETIF_F_IP_CSUM,
 	.reset_world_flags = ETH_RESET_IRQ,
 };
 
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index e1534ba6ad7..96d3f00df64 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -864,6 +864,8 @@ static inline const char *efx_dev_name(struct efx_nic *efx)
  *	descriptors
  * @tx_dc_base: Base address in SRAM of TX queue descriptor caches
  * @rx_dc_base: Base address in SRAM of RX queue descriptor caches
+ * @offload_features: net_device feature flags for protocol offload
+ *	features implemented in hardware
  * @reset_world_flags: Flags for additional components covered by
  *	reset method RESET_TYPE_WORLD
  */
@@ -904,6 +906,7 @@ struct efx_nic_type {
 	unsigned int phys_addr_channels;
 	unsigned int tx_dc_base;
 	unsigned int rx_dc_base;
+	unsigned long offload_features;
 	u32 reset_world_flags;
 };
 
-- 
GitLab


From 744093c98363f8a65853aed39708c9effc80f8ff Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Sun, 29 Nov 2009 15:12:08 +0000
Subject: [PATCH 1644/1815] sfc: Rename falcon.h to nic.h

nic.h is no longer specific to Falcon.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c               | 2 +-
 drivers/net/sfc/ethtool.c           | 2 +-
 drivers/net/sfc/falcon.c            | 2 +-
 drivers/net/sfc/falcon_boards.c     | 2 +-
 drivers/net/sfc/falcon_gmac.c       | 2 +-
 drivers/net/sfc/falcon_xmac.c       | 2 +-
 drivers/net/sfc/mdio_10g.c          | 2 +-
 drivers/net/sfc/mtd.c               | 2 +-
 drivers/net/sfc/{falcon.h => nic.h} | 6 +++---
 drivers/net/sfc/qt202x_phy.c        | 2 +-
 drivers/net/sfc/rx.c                | 2 +-
 drivers/net/sfc/selftest.c          | 2 +-
 drivers/net/sfc/tenxpress.c         | 2 +-
 drivers/net/sfc/tx.c                | 2 +-
 14 files changed, 16 insertions(+), 16 deletions(-)
 rename drivers/net/sfc/{falcon.h => nic.h} (99%)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index c49d364ebdb..97a6ebdcaf2 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -23,7 +23,7 @@
 #include "net_driver.h"
 #include "efx.h"
 #include "mdio_10g.h"
-#include "falcon.h"
+#include "nic.h"
 
 /**************************************************************************
  *
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index 0a79ec7d45e..012ee31db0c 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -15,7 +15,7 @@
 #include "workarounds.h"
 #include "selftest.h"
 #include "efx.h"
-#include "falcon.h"
+#include "nic.h"
 #include "spi.h"
 #include "mdio_10g.h"
 
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index f77bbbeacb6..64b47da1232 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -20,7 +20,7 @@
 #include "efx.h"
 #include "mac.h"
 #include "spi.h"
-#include "falcon.h"
+#include "nic.h"
 #include "regs.h"
 #include "io.h"
 #include "mdio_10g.h"
diff --git a/drivers/net/sfc/falcon_boards.c b/drivers/net/sfc/falcon_boards.c
index b92decc9521..fa4d4c72ccd 100644
--- a/drivers/net/sfc/falcon_boards.c
+++ b/drivers/net/sfc/falcon_boards.c
@@ -12,7 +12,7 @@
 #include "net_driver.h"
 #include "phy.h"
 #include "efx.h"
-#include "falcon.h"
+#include "nic.h"
 #include "regs.h"
 #include "io.h"
 #include "workarounds.h"
diff --git a/drivers/net/sfc/falcon_gmac.c b/drivers/net/sfc/falcon_gmac.c
index 19dd3ac3d1c..aa9b689cadc 100644
--- a/drivers/net/sfc/falcon_gmac.c
+++ b/drivers/net/sfc/falcon_gmac.c
@@ -11,7 +11,7 @@
 #include <linux/delay.h>
 #include "net_driver.h"
 #include "efx.h"
-#include "falcon.h"
+#include "nic.h"
 #include "mac.h"
 #include "regs.h"
 #include "io.h"
diff --git a/drivers/net/sfc/falcon_xmac.c b/drivers/net/sfc/falcon_xmac.c
index 643622df6e6..cd63f242698 100644
--- a/drivers/net/sfc/falcon_xmac.c
+++ b/drivers/net/sfc/falcon_xmac.c
@@ -11,7 +11,7 @@
 #include <linux/delay.h>
 #include "net_driver.h"
 #include "efx.h"
-#include "falcon.h"
+#include "nic.h"
 #include "regs.h"
 #include "io.h"
 #include "mac.h"
diff --git a/drivers/net/sfc/mdio_10g.c b/drivers/net/sfc/mdio_10g.c
index 20e627431d2..19496da3e2b 100644
--- a/drivers/net/sfc/mdio_10g.c
+++ b/drivers/net/sfc/mdio_10g.c
@@ -15,7 +15,7 @@
 #include "net_driver.h"
 #include "mdio_10g.h"
 #include "workarounds.h"
-#include "falcon.h"
+#include "nic.h"
 
 unsigned efx_mdio_id_oui(u32 id)
 {
diff --git a/drivers/net/sfc/mtd.c b/drivers/net/sfc/mtd.c
index 3121e242d82..65a22f193f9 100644
--- a/drivers/net/sfc/mtd.c
+++ b/drivers/net/sfc/mtd.c
@@ -17,7 +17,7 @@
 #include "net_driver.h"
 #include "spi.h"
 #include "efx.h"
-#include "falcon.h"
+#include "nic.h"
 
 #define EFX_SPI_VERIFY_BUF_LEN 16
 
diff --git a/drivers/net/sfc/falcon.h b/drivers/net/sfc/nic.h
similarity index 99%
rename from drivers/net/sfc/falcon.h
rename to drivers/net/sfc/nic.h
index 3085ecfacee..e7eb30488c1 100644
--- a/drivers/net/sfc/falcon.h
+++ b/drivers/net/sfc/nic.h
@@ -8,8 +8,8 @@
  * by the Free Software Foundation, incorporated herein by reference.
  */
 
-#ifndef EFX_FALCON_H
-#define EFX_FALCON_H
+#ifndef EFX_NIC_H
+#define EFX_NIC_H
 
 #include <linux/i2c-algo-bit.h>
 #include "net_driver.h"
@@ -235,4 +235,4 @@ extern void efx_nic_generate_event(struct efx_channel *channel,
 
 extern void falcon_poll_xmac(struct efx_nic *efx);
 
-#endif /* EFX_FALCON_H */
+#endif /* EFX_NIC_H */
diff --git a/drivers/net/sfc/qt202x_phy.c b/drivers/net/sfc/qt202x_phy.c
index 22b0e89ba8f..957e534a179 100644
--- a/drivers/net/sfc/qt202x_phy.c
+++ b/drivers/net/sfc/qt202x_phy.c
@@ -15,7 +15,7 @@
 #include "efx.h"
 #include "mdio_10g.h"
 #include "phy.h"
-#include "falcon.h"
+#include "nic.h"
 
 #define QT202X_REQUIRED_DEVS (MDIO_DEVS_PCS |		\
 			      MDIO_DEVS_PMAPMD |	\
diff --git a/drivers/net/sfc/rx.c b/drivers/net/sfc/rx.c
index 8fffd379294..03eace323d3 100644
--- a/drivers/net/sfc/rx.c
+++ b/drivers/net/sfc/rx.c
@@ -17,7 +17,7 @@
 #include <net/checksum.h>
 #include "net_driver.h"
 #include "efx.h"
-#include "falcon.h"
+#include "nic.h"
 #include "selftest.h"
 #include "workarounds.h"
 
diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c
index 16258d83b70..1635f575112 100644
--- a/drivers/net/sfc/selftest.c
+++ b/drivers/net/sfc/selftest.c
@@ -21,7 +21,7 @@
 #include <asm/io.h>
 #include "net_driver.h"
 #include "efx.h"
-#include "falcon.h"
+#include "nic.h"
 #include "selftest.h"
 #include "workarounds.h"
 #include "spi.h"
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c
index 8de97a9f271..ff97133c2b9 100644
--- a/drivers/net/sfc/tenxpress.c
+++ b/drivers/net/sfc/tenxpress.c
@@ -12,7 +12,7 @@
 #include <linux/seq_file.h>
 #include "efx.h"
 #include "mdio_10g.h"
-#include "falcon.h"
+#include "nic.h"
 #include "phy.h"
 #include "regs.h"
 #include "workarounds.h"
diff --git a/drivers/net/sfc/tx.c b/drivers/net/sfc/tx.c
index 2531d0207b9..389ede43e34 100644
--- a/drivers/net/sfc/tx.c
+++ b/drivers/net/sfc/tx.c
@@ -16,7 +16,7 @@
 #include <linux/highmem.h>
 #include "net_driver.h"
 #include "efx.h"
-#include "falcon.h"
+#include "nic.h"
 #include "workarounds.h"
 
 /*
-- 
GitLab


From 8e730c15e1560415f33d7301b617be26050ffb86 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Sun, 29 Nov 2009 15:14:45 +0000
Subject: [PATCH 1645/1815] sfc: Move shared NIC code from falcon.c to new
 source file nic.c

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/Makefile |    2 +-
 drivers/net/sfc/falcon.c | 1578 +-------------------------------------
 drivers/net/sfc/nic.c    | 1548 +++++++++++++++++++++++++++++++++++++
 3 files changed, 1570 insertions(+), 1558 deletions(-)
 create mode 100644 drivers/net/sfc/nic.c

diff --git a/drivers/net/sfc/Makefile b/drivers/net/sfc/Makefile
index 7b52fe10d38..223106b9344 100644
--- a/drivers/net/sfc/Makefile
+++ b/drivers/net/sfc/Makefile
@@ -1,4 +1,4 @@
-sfc-y			+= efx.o falcon.o tx.o rx.o falcon_gmac.o \
+sfc-y			+= efx.o nic.o falcon.o tx.o rx.o falcon_gmac.o \
 			   falcon_xmac.o selftest.o ethtool.o qt202x_phy.o \
 			   mdio_10g.o tenxpress.o falcon_boards.o
 sfc-$(CONFIG_SFC_MTD)	+= mtd.o
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 64b47da1232..48d28d828d4 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -29,26 +29,6 @@
 
 /* Hardware control for SFC4000 (aka Falcon). */
 
-/**************************************************************************
- *
- * Configurable values
- *
- **************************************************************************
- */
-
-/* This is set to 16 for a good reason.  In summary, if larger than
- * 16, the descriptor cache holds more than a default socket
- * buffer's worth of packets (for UDP we can only have at most one
- * socket buffer's worth outstanding).  This combined with the fact
- * that we only get 1 TX event per descriptor cache means the NIC
- * goes idle.
- */
-#define TX_DC_ENTRIES 16
-#define TX_DC_ENTRIES_ORDER 1
-
-#define RX_DC_ENTRIES 64
-#define RX_DC_ENTRIES_ORDER 3
-
 static const unsigned int
 /* "Large" EEPROM device: Atmel AT25640 or similar
  * 8 KB, 16-bit address, 32 B write block */
@@ -63,87 +43,6 @@ default_flash_type = ((17 << SPI_DEV_TYPE_SIZE_LBN)
 		      | (15 << SPI_DEV_TYPE_ERASE_SIZE_LBN)
 		      | (8 << SPI_DEV_TYPE_BLOCK_SIZE_LBN));
 
-/* RX FIFO XOFF watermark
- *
- * When the amount of the RX FIFO increases used increases past this
- * watermark send XOFF. Only used if RX flow control is enabled (ethtool -A)
- * This also has an effect on RX/TX arbitration
- */
-int efx_nic_rx_xoff_thresh = -1;
-module_param_named(rx_xoff_thresh_bytes, efx_nic_rx_xoff_thresh, int, 0644);
-MODULE_PARM_DESC(rx_xoff_thresh_bytes, "RX fifo XOFF threshold");
-
-/* RX FIFO XON watermark
- *
- * When the amount of the RX FIFO used decreases below this
- * watermark send XON. Only used if TX flow control is enabled (ethtool -A)
- * This also has an effect on RX/TX arbitration
- */
-int efx_nic_rx_xon_thresh = -1;
-module_param_named(rx_xon_thresh_bytes, efx_nic_rx_xon_thresh, int, 0644);
-MODULE_PARM_DESC(rx_xon_thresh_bytes, "RX fifo XON threshold");
-
-/* If EFX_MAX_INT_ERRORS internal errors occur within
- * EFX_INT_ERROR_EXPIRE seconds, we consider the NIC broken and
- * disable it.
- */
-#define EFX_INT_ERROR_EXPIRE 3600
-#define EFX_MAX_INT_ERRORS 5
-
-/* We poll for events every FLUSH_INTERVAL ms, and check FLUSH_POLL_COUNT times
- */
-#define EFX_FLUSH_INTERVAL 10
-#define EFX_FLUSH_POLL_COUNT 100
-
-/**************************************************************************
- *
- * Falcon constants
- *
- **************************************************************************
- */
-
-/* Size and alignment of special buffers (4KB) */
-#define EFX_BUF_SIZE 4096
-
-/* Depth of RX flush request fifo */
-#define EFX_RX_FLUSH_COUNT 4
-
-/**************************************************************************
- *
- * Solarstorm hardware access
- *
- **************************************************************************/
-
-static inline void efx_write_buf_tbl(struct efx_nic *efx, efx_qword_t *value,
-				     unsigned int index)
-{
-	efx_sram_writeq(efx, efx->membase + efx->type->buf_tbl_base,
-			value, index);
-}
-
-/* Read the current event from the event queue */
-static inline efx_qword_t *efx_event(struct efx_channel *channel,
-				     unsigned int index)
-{
-	return (((efx_qword_t *) (channel->eventq.addr)) + index);
-}
-
-/* See if an event is present
- *
- * We check both the high and low dword of the event for all ones.  We
- * wrote all ones when we cleared the event, and no valid event can
- * have all ones in either its high or low dwords.  This approach is
- * robust against reordering.
- *
- * Note that using a single 64-bit comparison is incorrect; even
- * though the CPU read will be atomic, the DMA write may not be.
- */
-static inline int efx_event_present(efx_qword_t *event)
-{
-	return (!(EFX_DWORD_IS_ALL_ONES(event->dword[0]) |
-		  EFX_DWORD_IS_ALL_ONES(event->dword[1])));
-}
-
 /**************************************************************************
  *
  * I2C bus - this is a bit-bashing interface using GPIO pins
@@ -174,867 +73,32 @@ static void falcon_setscl(void *data, int state)
 
 static int falcon_getsda(void *data)
 {
-	struct efx_nic *efx = (struct efx_nic *)data;
-	efx_oword_t reg;
-
-	efx_reado(efx, &reg, FR_AB_GPIO_CTL);
-	return EFX_OWORD_FIELD(reg, FRF_AB_GPIO3_IN);
-}
-
-static int falcon_getscl(void *data)
-{
-	struct efx_nic *efx = (struct efx_nic *)data;
-	efx_oword_t reg;
-
-	efx_reado(efx, &reg, FR_AB_GPIO_CTL);
-	return EFX_OWORD_FIELD(reg, FRF_AB_GPIO0_IN);
-}
-
-static struct i2c_algo_bit_data falcon_i2c_bit_operations = {
-	.setsda		= falcon_setsda,
-	.setscl		= falcon_setscl,
-	.getsda		= falcon_getsda,
-	.getscl		= falcon_getscl,
-	.udelay		= 5,
-	/* Wait up to 50 ms for slave to let us pull SCL high */
-	.timeout	= DIV_ROUND_UP(HZ, 20),
-};
-
-/**************************************************************************
- *
- * Special buffer handling
- * Special buffers are used for event queues and the TX and RX
- * descriptor rings.
- *
- *************************************************************************/
-
-/*
- * Initialise a special buffer
- *
- * This will define a buffer (previously allocated via
- * efx_alloc_special_buffer()) in the buffer table, allowing
- * it to be used for event queues, descriptor rings etc.
- */
-static void
-efx_init_special_buffer(struct efx_nic *efx, struct efx_special_buffer *buffer)
-{
-	efx_qword_t buf_desc;
-	int index;
-	dma_addr_t dma_addr;
-	int i;
-
-	EFX_BUG_ON_PARANOID(!buffer->addr);
-
-	/* Write buffer descriptors to NIC */
-	for (i = 0; i < buffer->entries; i++) {
-		index = buffer->index + i;
-		dma_addr = buffer->dma_addr + (i * 4096);
-		EFX_LOG(efx, "mapping special buffer %d at %llx\n",
-			index, (unsigned long long)dma_addr);
-		EFX_POPULATE_QWORD_3(buf_desc,
-				     FRF_AZ_BUF_ADR_REGION, 0,
-				     FRF_AZ_BUF_ADR_FBUF, dma_addr >> 12,
-				     FRF_AZ_BUF_OWNER_ID_FBUF, 0);
-		efx_write_buf_tbl(efx, &buf_desc, index);
-	}
-}
-
-/* Unmaps a buffer and clears the buffer table entries */
-static void
-efx_fini_special_buffer(struct efx_nic *efx, struct efx_special_buffer *buffer)
-{
-	efx_oword_t buf_tbl_upd;
-	unsigned int start = buffer->index;
-	unsigned int end = (buffer->index + buffer->entries - 1);
-
-	if (!buffer->entries)
-		return;
-
-	EFX_LOG(efx, "unmapping special buffers %d-%d\n",
-		buffer->index, buffer->index + buffer->entries - 1);
-
-	EFX_POPULATE_OWORD_4(buf_tbl_upd,
-			     FRF_AZ_BUF_UPD_CMD, 0,
-			     FRF_AZ_BUF_CLR_CMD, 1,
-			     FRF_AZ_BUF_CLR_END_ID, end,
-			     FRF_AZ_BUF_CLR_START_ID, start);
-	efx_writeo(efx, &buf_tbl_upd, FR_AZ_BUF_TBL_UPD);
-}
-
-/*
- * Allocate a new special buffer
- *
- * This allocates memory for a new buffer, clears it and allocates a
- * new buffer ID range.  It does not write into the buffer table.
- *
- * This call will allocate 4KB buffers, since 8KB buffers can't be
- * used for event queues and descriptor rings.
- */
-static int efx_alloc_special_buffer(struct efx_nic *efx,
-				    struct efx_special_buffer *buffer,
-				    unsigned int len)
-{
-	len = ALIGN(len, EFX_BUF_SIZE);
-
-	buffer->addr = pci_alloc_consistent(efx->pci_dev, len,
-					    &buffer->dma_addr);
-	if (!buffer->addr)
-		return -ENOMEM;
-	buffer->len = len;
-	buffer->entries = len / EFX_BUF_SIZE;
-	BUG_ON(buffer->dma_addr & (EFX_BUF_SIZE - 1));
-
-	/* All zeros is a potentially valid event so memset to 0xff */
-	memset(buffer->addr, 0xff, len);
-
-	/* Select new buffer ID */
-	buffer->index = efx->next_buffer_table;
-	efx->next_buffer_table += buffer->entries;
-
-	EFX_LOG(efx, "allocating special buffers %d-%d at %llx+%x "
-		"(virt %p phys %llx)\n", buffer->index,
-		buffer->index + buffer->entries - 1,
-		(u64)buffer->dma_addr, len,
-		buffer->addr, (u64)virt_to_phys(buffer->addr));
-
-	return 0;
-}
-
-static void
-efx_free_special_buffer(struct efx_nic *efx, struct efx_special_buffer *buffer)
-{
-	if (!buffer->addr)
-		return;
-
-	EFX_LOG(efx, "deallocating special buffers %d-%d at %llx+%x "
-		"(virt %p phys %llx)\n", buffer->index,
-		buffer->index + buffer->entries - 1,
-		(u64)buffer->dma_addr, buffer->len,
-		buffer->addr, (u64)virt_to_phys(buffer->addr));
-
-	pci_free_consistent(efx->pci_dev, buffer->len, buffer->addr,
-			    buffer->dma_addr);
-	buffer->addr = NULL;
-	buffer->entries = 0;
-}
-
-/**************************************************************************
- *
- * Generic buffer handling
- * These buffers are used for interrupt status and MAC stats
- *
- **************************************************************************/
-
-int efx_nic_alloc_buffer(struct efx_nic *efx, struct efx_buffer *buffer,
-			 unsigned int len)
-{
-	buffer->addr = pci_alloc_consistent(efx->pci_dev, len,
-					    &buffer->dma_addr);
-	if (!buffer->addr)
-		return -ENOMEM;
-	buffer->len = len;
-	memset(buffer->addr, 0, len);
-	return 0;
-}
-
-void efx_nic_free_buffer(struct efx_nic *efx, struct efx_buffer *buffer)
-{
-	if (buffer->addr) {
-		pci_free_consistent(efx->pci_dev, buffer->len,
-				    buffer->addr, buffer->dma_addr);
-		buffer->addr = NULL;
-	}
-}
-
-/**************************************************************************
- *
- * TX path
- *
- **************************************************************************/
-
-/* Returns a pointer to the specified transmit descriptor in the TX
- * descriptor queue belonging to the specified channel.
- */
-static inline efx_qword_t *
-efx_tx_desc(struct efx_tx_queue *tx_queue, unsigned int index)
-{
-	return (((efx_qword_t *) (tx_queue->txd.addr)) + index);
-}
-
-/* This writes to the TX_DESC_WPTR; write pointer for TX descriptor ring */
-static inline void efx_notify_tx_desc(struct efx_tx_queue *tx_queue)
-{
-	unsigned write_ptr;
-	efx_dword_t reg;
-
-	write_ptr = tx_queue->write_count & EFX_TXQ_MASK;
-	EFX_POPULATE_DWORD_1(reg, FRF_AZ_TX_DESC_WPTR_DWORD, write_ptr);
-	efx_writed_page(tx_queue->efx, &reg,
-			FR_AZ_TX_DESC_UPD_DWORD_P0, tx_queue->queue);
-}
-
-
-/* For each entry inserted into the software descriptor ring, create a
- * descriptor in the hardware TX descriptor ring (in host memory), and
- * write a doorbell.
- */
-void efx_nic_push_buffers(struct efx_tx_queue *tx_queue)
-{
-
-	struct efx_tx_buffer *buffer;
-	efx_qword_t *txd;
-	unsigned write_ptr;
-
-	BUG_ON(tx_queue->write_count == tx_queue->insert_count);
-
-	do {
-		write_ptr = tx_queue->write_count & EFX_TXQ_MASK;
-		buffer = &tx_queue->buffer[write_ptr];
-		txd = efx_tx_desc(tx_queue, write_ptr);
-		++tx_queue->write_count;
-
-		/* Create TX descriptor ring entry */
-		EFX_POPULATE_QWORD_4(*txd,
-				     FSF_AZ_TX_KER_CONT, buffer->continuation,
-				     FSF_AZ_TX_KER_BYTE_COUNT, buffer->len,
-				     FSF_AZ_TX_KER_BUF_REGION, 0,
-				     FSF_AZ_TX_KER_BUF_ADDR, buffer->dma_addr);
-	} while (tx_queue->write_count != tx_queue->insert_count);
-
-	wmb(); /* Ensure descriptors are written before they are fetched */
-	efx_notify_tx_desc(tx_queue);
-}
-
-/* Allocate hardware resources for a TX queue */
-int efx_nic_probe_tx(struct efx_tx_queue *tx_queue)
-{
-	struct efx_nic *efx = tx_queue->efx;
-	BUILD_BUG_ON(EFX_TXQ_SIZE < 512 || EFX_TXQ_SIZE > 4096 ||
-		     EFX_TXQ_SIZE & EFX_TXQ_MASK);
-	return efx_alloc_special_buffer(efx, &tx_queue->txd,
-					EFX_TXQ_SIZE * sizeof(efx_qword_t));
-}
-
-void efx_nic_init_tx(struct efx_tx_queue *tx_queue)
-{
-	efx_oword_t tx_desc_ptr;
-	struct efx_nic *efx = tx_queue->efx;
-
-	tx_queue->flushed = FLUSH_NONE;
-
-	/* Pin TX descriptor ring */
-	efx_init_special_buffer(efx, &tx_queue->txd);
-
-	/* Push TX descriptor ring to card */
-	EFX_POPULATE_OWORD_10(tx_desc_ptr,
-			      FRF_AZ_TX_DESCQ_EN, 1,
-			      FRF_AZ_TX_ISCSI_DDIG_EN, 0,
-			      FRF_AZ_TX_ISCSI_HDIG_EN, 0,
-			      FRF_AZ_TX_DESCQ_BUF_BASE_ID, tx_queue->txd.index,
-			      FRF_AZ_TX_DESCQ_EVQ_ID,
-			      tx_queue->channel->channel,
-			      FRF_AZ_TX_DESCQ_OWNER_ID, 0,
-			      FRF_AZ_TX_DESCQ_LABEL, tx_queue->queue,
-			      FRF_AZ_TX_DESCQ_SIZE,
-			      __ffs(tx_queue->txd.entries),
-			      FRF_AZ_TX_DESCQ_TYPE, 0,
-			      FRF_BZ_TX_NON_IP_DROP_DIS, 1);
-
-	if (efx_nic_rev(efx) >= EFX_REV_FALCON_B0) {
-		int csum = tx_queue->queue == EFX_TX_QUEUE_OFFLOAD_CSUM;
-		EFX_SET_OWORD_FIELD(tx_desc_ptr, FRF_BZ_TX_IP_CHKSM_DIS, !csum);
-		EFX_SET_OWORD_FIELD(tx_desc_ptr, FRF_BZ_TX_TCP_CHKSM_DIS,
-				    !csum);
-	}
-
-	efx_writeo_table(efx, &tx_desc_ptr, efx->type->txd_ptr_tbl_base,
-			 tx_queue->queue);
-
-	if (efx_nic_rev(efx) < EFX_REV_FALCON_B0) {
-		efx_oword_t reg;
-
-		/* Only 128 bits in this register */
-		BUILD_BUG_ON(EFX_TX_QUEUE_COUNT >= 128);
-
-		efx_reado(efx, &reg, FR_AA_TX_CHKSM_CFG);
-		if (tx_queue->queue == EFX_TX_QUEUE_OFFLOAD_CSUM)
-			clear_bit_le(tx_queue->queue, (void *)&reg);
-		else
-			set_bit_le(tx_queue->queue, (void *)&reg);
-		efx_writeo(efx, &reg, FR_AA_TX_CHKSM_CFG);
-	}
-}
-
-static void efx_flush_tx_queue(struct efx_tx_queue *tx_queue)
-{
-	struct efx_nic *efx = tx_queue->efx;
-	efx_oword_t tx_flush_descq;
-
-	tx_queue->flushed = FLUSH_PENDING;
-
-	/* Post a flush command */
-	EFX_POPULATE_OWORD_2(tx_flush_descq,
-			     FRF_AZ_TX_FLUSH_DESCQ_CMD, 1,
-			     FRF_AZ_TX_FLUSH_DESCQ, tx_queue->queue);
-	efx_writeo(efx, &tx_flush_descq, FR_AZ_TX_FLUSH_DESCQ);
-}
-
-void efx_nic_fini_tx(struct efx_tx_queue *tx_queue)
-{
-	struct efx_nic *efx = tx_queue->efx;
-	efx_oword_t tx_desc_ptr;
-
-	/* The queue should have been flushed */
-	WARN_ON(tx_queue->flushed != FLUSH_DONE);
-
-	/* Remove TX descriptor ring from card */
-	EFX_ZERO_OWORD(tx_desc_ptr);
-	efx_writeo_table(efx, &tx_desc_ptr, efx->type->txd_ptr_tbl_base,
-			 tx_queue->queue);
-
-	/* Unpin TX descriptor ring */
-	efx_fini_special_buffer(efx, &tx_queue->txd);
-}
-
-/* Free buffers backing TX queue */
-void efx_nic_remove_tx(struct efx_tx_queue *tx_queue)
-{
-	efx_free_special_buffer(tx_queue->efx, &tx_queue->txd);
-}
-
-/**************************************************************************
- *
- * RX path
- *
- **************************************************************************/
-
-/* Returns a pointer to the specified descriptor in the RX descriptor queue */
-static inline efx_qword_t *
-efx_rx_desc(struct efx_rx_queue *rx_queue, unsigned int index)
-{
-	return (((efx_qword_t *) (rx_queue->rxd.addr)) + index);
-}
-
-/* This creates an entry in the RX descriptor queue */
-static inline void
-efx_build_rx_desc(struct efx_rx_queue *rx_queue, unsigned index)
-{
-	struct efx_rx_buffer *rx_buf;
-	efx_qword_t *rxd;
-
-	rxd = efx_rx_desc(rx_queue, index);
-	rx_buf = efx_rx_buffer(rx_queue, index);
-	EFX_POPULATE_QWORD_3(*rxd,
-			     FSF_AZ_RX_KER_BUF_SIZE,
-			     rx_buf->len -
-			     rx_queue->efx->type->rx_buffer_padding,
-			     FSF_AZ_RX_KER_BUF_REGION, 0,
-			     FSF_AZ_RX_KER_BUF_ADDR, rx_buf->dma_addr);
-}
-
-/* This writes to the RX_DESC_WPTR register for the specified receive
- * descriptor ring.
- */
-void efx_nic_notify_rx_desc(struct efx_rx_queue *rx_queue)
-{
-	efx_dword_t reg;
-	unsigned write_ptr;
-
-	while (rx_queue->notified_count != rx_queue->added_count) {
-		efx_build_rx_desc(rx_queue,
-				  rx_queue->notified_count &
-				  EFX_RXQ_MASK);
-		++rx_queue->notified_count;
-	}
-
-	wmb();
-	write_ptr = rx_queue->added_count & EFX_RXQ_MASK;
-	EFX_POPULATE_DWORD_1(reg, FRF_AZ_RX_DESC_WPTR_DWORD, write_ptr);
-	efx_writed_page(rx_queue->efx, &reg,
-			FR_AZ_RX_DESC_UPD_DWORD_P0, rx_queue->queue);
-}
-
-int efx_nic_probe_rx(struct efx_rx_queue *rx_queue)
-{
-	struct efx_nic *efx = rx_queue->efx;
-	BUILD_BUG_ON(EFX_RXQ_SIZE < 512 || EFX_RXQ_SIZE > 4096 ||
-		     EFX_RXQ_SIZE & EFX_RXQ_MASK);
-	return efx_alloc_special_buffer(efx, &rx_queue->rxd,
-					EFX_RXQ_SIZE * sizeof(efx_qword_t));
-}
-
-void efx_nic_init_rx(struct efx_rx_queue *rx_queue)
-{
-	efx_oword_t rx_desc_ptr;
-	struct efx_nic *efx = rx_queue->efx;
-	bool is_b0 = efx_nic_rev(efx) >= EFX_REV_FALCON_B0;
-	bool iscsi_digest_en = is_b0;
-
-	EFX_LOG(efx, "RX queue %d ring in special buffers %d-%d\n",
-		rx_queue->queue, rx_queue->rxd.index,
-		rx_queue->rxd.index + rx_queue->rxd.entries - 1);
-
-	rx_queue->flushed = FLUSH_NONE;
-
-	/* Pin RX descriptor ring */
-	efx_init_special_buffer(efx, &rx_queue->rxd);
-
-	/* Push RX descriptor ring to card */
-	EFX_POPULATE_OWORD_10(rx_desc_ptr,
-			      FRF_AZ_RX_ISCSI_DDIG_EN, iscsi_digest_en,
-			      FRF_AZ_RX_ISCSI_HDIG_EN, iscsi_digest_en,
-			      FRF_AZ_RX_DESCQ_BUF_BASE_ID, rx_queue->rxd.index,
-			      FRF_AZ_RX_DESCQ_EVQ_ID,
-			      rx_queue->channel->channel,
-			      FRF_AZ_RX_DESCQ_OWNER_ID, 0,
-			      FRF_AZ_RX_DESCQ_LABEL, rx_queue->queue,
-			      FRF_AZ_RX_DESCQ_SIZE,
-			      __ffs(rx_queue->rxd.entries),
-			      FRF_AZ_RX_DESCQ_TYPE, 0 /* kernel queue */ ,
-			      /* For >=B0 this is scatter so disable */
-			      FRF_AZ_RX_DESCQ_JUMBO, !is_b0,
-			      FRF_AZ_RX_DESCQ_EN, 1);
-	efx_writeo_table(efx, &rx_desc_ptr, efx->type->rxd_ptr_tbl_base,
-			 rx_queue->queue);
-}
-
-static void efx_flush_rx_queue(struct efx_rx_queue *rx_queue)
-{
-	struct efx_nic *efx = rx_queue->efx;
-	efx_oword_t rx_flush_descq;
-
-	rx_queue->flushed = FLUSH_PENDING;
-
-	/* Post a flush command */
-	EFX_POPULATE_OWORD_2(rx_flush_descq,
-			     FRF_AZ_RX_FLUSH_DESCQ_CMD, 1,
-			     FRF_AZ_RX_FLUSH_DESCQ, rx_queue->queue);
-	efx_writeo(efx, &rx_flush_descq, FR_AZ_RX_FLUSH_DESCQ);
-}
-
-void efx_nic_fini_rx(struct efx_rx_queue *rx_queue)
-{
-	efx_oword_t rx_desc_ptr;
-	struct efx_nic *efx = rx_queue->efx;
-
-	/* The queue should already have been flushed */
-	WARN_ON(rx_queue->flushed != FLUSH_DONE);
-
-	/* Remove RX descriptor ring from card */
-	EFX_ZERO_OWORD(rx_desc_ptr);
-	efx_writeo_table(efx, &rx_desc_ptr, efx->type->rxd_ptr_tbl_base,
-			 rx_queue->queue);
-
-	/* Unpin RX descriptor ring */
-	efx_fini_special_buffer(efx, &rx_queue->rxd);
-}
-
-/* Free buffers backing RX queue */
-void efx_nic_remove_rx(struct efx_rx_queue *rx_queue)
-{
-	efx_free_special_buffer(rx_queue->efx, &rx_queue->rxd);
-}
-
-/**************************************************************************
- *
- * Event queue processing
- * Event queues are processed by per-channel tasklets.
- *
- **************************************************************************/
-
-/* Update a channel's event queue's read pointer (RPTR) register
- *
- * This writes the EVQ_RPTR_REG register for the specified channel's
- * event queue.
- *
- * Note that EVQ_RPTR_REG contains the index of the "last read" event,
- * whereas channel->eventq_read_ptr contains the index of the "next to
- * read" event.
- */
-void efx_nic_eventq_read_ack(struct efx_channel *channel)
-{
-	efx_dword_t reg;
-	struct efx_nic *efx = channel->efx;
-
-	EFX_POPULATE_DWORD_1(reg, FRF_AZ_EVQ_RPTR, channel->eventq_read_ptr);
-	efx_writed_table(efx, &reg, efx->type->evq_rptr_tbl_base,
-			    channel->channel);
-}
-
-/* Use HW to insert a SW defined event */
-void efx_generate_event(struct efx_channel *channel, efx_qword_t *event)
-{
-	efx_oword_t drv_ev_reg;
-
-	BUILD_BUG_ON(FRF_AZ_DRV_EV_DATA_LBN != 0 ||
-		     FRF_AZ_DRV_EV_DATA_WIDTH != 64);
-	drv_ev_reg.u32[0] = event->u32[0];
-	drv_ev_reg.u32[1] = event->u32[1];
-	drv_ev_reg.u32[2] = 0;
-	drv_ev_reg.u32[3] = 0;
-	EFX_SET_OWORD_FIELD(drv_ev_reg, FRF_AZ_DRV_EV_QID, channel->channel);
-	efx_writeo(channel->efx, &drv_ev_reg, FR_AZ_DRV_EV);
-}
-
-/* Handle a transmit completion event
- *
- * The NIC batches TX completion events; the message we receive is of
- * the form "complete all TX events up to this index".
- */
-static void
-efx_handle_tx_event(struct efx_channel *channel, efx_qword_t *event)
-{
-	unsigned int tx_ev_desc_ptr;
-	unsigned int tx_ev_q_label;
-	struct efx_tx_queue *tx_queue;
-	struct efx_nic *efx = channel->efx;
-
-	if (likely(EFX_QWORD_FIELD(*event, FSF_AZ_TX_EV_COMP))) {
-		/* Transmit completion */
-		tx_ev_desc_ptr = EFX_QWORD_FIELD(*event, FSF_AZ_TX_EV_DESC_PTR);
-		tx_ev_q_label = EFX_QWORD_FIELD(*event, FSF_AZ_TX_EV_Q_LABEL);
-		tx_queue = &efx->tx_queue[tx_ev_q_label];
-		channel->irq_mod_score +=
-			(tx_ev_desc_ptr - tx_queue->read_count) &
-			EFX_TXQ_MASK;
-		efx_xmit_done(tx_queue, tx_ev_desc_ptr);
-	} else if (EFX_QWORD_FIELD(*event, FSF_AZ_TX_EV_WQ_FF_FULL)) {
-		/* Rewrite the FIFO write pointer */
-		tx_ev_q_label = EFX_QWORD_FIELD(*event, FSF_AZ_TX_EV_Q_LABEL);
-		tx_queue = &efx->tx_queue[tx_ev_q_label];
-
-		if (efx_dev_registered(efx))
-			netif_tx_lock(efx->net_dev);
-		efx_notify_tx_desc(tx_queue);
-		if (efx_dev_registered(efx))
-			netif_tx_unlock(efx->net_dev);
-	} else if (EFX_QWORD_FIELD(*event, FSF_AZ_TX_EV_PKT_ERR) &&
-		   EFX_WORKAROUND_10727(efx)) {
-		efx_schedule_reset(efx, RESET_TYPE_TX_DESC_FETCH);
-	} else {
-		EFX_ERR(efx, "channel %d unexpected TX event "
-			EFX_QWORD_FMT"\n", channel->channel,
-			EFX_QWORD_VAL(*event));
-	}
-}
-
-/* Detect errors included in the rx_evt_pkt_ok bit. */
-static void efx_handle_rx_not_ok(struct efx_rx_queue *rx_queue,
-				 const efx_qword_t *event,
-				 bool *rx_ev_pkt_ok,
-				 bool *discard)
-{
-	struct efx_nic *efx = rx_queue->efx;
-	bool rx_ev_buf_owner_id_err, rx_ev_ip_hdr_chksum_err;
-	bool rx_ev_tcp_udp_chksum_err, rx_ev_eth_crc_err;
-	bool rx_ev_frm_trunc, rx_ev_drib_nib, rx_ev_tobe_disc;
-	bool rx_ev_other_err, rx_ev_pause_frm;
-	bool rx_ev_hdr_type, rx_ev_mcast_pkt;
-	unsigned rx_ev_pkt_type;
-
-	rx_ev_hdr_type = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_HDR_TYPE);
-	rx_ev_mcast_pkt = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_MCAST_PKT);
-	rx_ev_tobe_disc = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_TOBE_DISC);
-	rx_ev_pkt_type = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_PKT_TYPE);
-	rx_ev_buf_owner_id_err = EFX_QWORD_FIELD(*event,
-						 FSF_AZ_RX_EV_BUF_OWNER_ID_ERR);
-	rx_ev_ip_hdr_chksum_err = EFX_QWORD_FIELD(*event,
-						  FSF_AZ_RX_EV_IP_HDR_CHKSUM_ERR);
-	rx_ev_tcp_udp_chksum_err = EFX_QWORD_FIELD(*event,
-						   FSF_AZ_RX_EV_TCP_UDP_CHKSUM_ERR);
-	rx_ev_eth_crc_err = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_ETH_CRC_ERR);
-	rx_ev_frm_trunc = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_FRM_TRUNC);
-	rx_ev_drib_nib = ((efx_nic_rev(efx) >= EFX_REV_FALCON_B0) ?
-			  0 : EFX_QWORD_FIELD(*event, FSF_AA_RX_EV_DRIB_NIB));
-	rx_ev_pause_frm = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_PAUSE_FRM_ERR);
-
-	/* Every error apart from tobe_disc and pause_frm */
-	rx_ev_other_err = (rx_ev_drib_nib | rx_ev_tcp_udp_chksum_err |
-			   rx_ev_buf_owner_id_err | rx_ev_eth_crc_err |
-			   rx_ev_frm_trunc | rx_ev_ip_hdr_chksum_err);
-
-	/* Count errors that are not in MAC stats.  Ignore expected
-	 * checksum errors during self-test. */
-	if (rx_ev_frm_trunc)
-		++rx_queue->channel->n_rx_frm_trunc;
-	else if (rx_ev_tobe_disc)
-		++rx_queue->channel->n_rx_tobe_disc;
-	else if (!efx->loopback_selftest) {
-		if (rx_ev_ip_hdr_chksum_err)
-			++rx_queue->channel->n_rx_ip_hdr_chksum_err;
-		else if (rx_ev_tcp_udp_chksum_err)
-			++rx_queue->channel->n_rx_tcp_udp_chksum_err;
-	}
-
-	/* The frame must be discarded if any of these are true. */
-	*discard = (rx_ev_eth_crc_err | rx_ev_frm_trunc | rx_ev_drib_nib |
-		    rx_ev_tobe_disc | rx_ev_pause_frm);
-
-	/* TOBE_DISC is expected on unicast mismatches; don't print out an
-	 * error message.  FRM_TRUNC indicates RXDP dropped the packet due
-	 * to a FIFO overflow.
-	 */
-#ifdef EFX_ENABLE_DEBUG
-	if (rx_ev_other_err) {
-		EFX_INFO_RL(efx, " RX queue %d unexpected RX event "
-			    EFX_QWORD_FMT "%s%s%s%s%s%s%s%s\n",
-			    rx_queue->queue, EFX_QWORD_VAL(*event),
-			    rx_ev_buf_owner_id_err ? " [OWNER_ID_ERR]" : "",
-			    rx_ev_ip_hdr_chksum_err ?
-			    " [IP_HDR_CHKSUM_ERR]" : "",
-			    rx_ev_tcp_udp_chksum_err ?
-			    " [TCP_UDP_CHKSUM_ERR]" : "",
-			    rx_ev_eth_crc_err ? " [ETH_CRC_ERR]" : "",
-			    rx_ev_frm_trunc ? " [FRM_TRUNC]" : "",
-			    rx_ev_drib_nib ? " [DRIB_NIB]" : "",
-			    rx_ev_tobe_disc ? " [TOBE_DISC]" : "",
-			    rx_ev_pause_frm ? " [PAUSE]" : "");
-	}
-#endif
-}
-
-/* Handle receive events that are not in-order. */
-static void
-efx_handle_rx_bad_index(struct efx_rx_queue *rx_queue, unsigned index)
-{
-	struct efx_nic *efx = rx_queue->efx;
-	unsigned expected, dropped;
-
-	expected = rx_queue->removed_count & EFX_RXQ_MASK;
-	dropped = (index - expected) & EFX_RXQ_MASK;
-	EFX_INFO(efx, "dropped %d events (index=%d expected=%d)\n",
-		dropped, index, expected);
-
-	efx_schedule_reset(efx, EFX_WORKAROUND_5676(efx) ?
-			   RESET_TYPE_RX_RECOVERY : RESET_TYPE_DISABLE);
-}
-
-/* Handle a packet received event
- *
- * The NIC gives a "discard" flag if it's a unicast packet with the
- * wrong destination address
- * Also "is multicast" and "matches multicast filter" flags can be used to
- * discard non-matching multicast packets.
- */
-static void
-efx_handle_rx_event(struct efx_channel *channel, const efx_qword_t *event)
-{
-	unsigned int rx_ev_desc_ptr, rx_ev_byte_cnt;
-	unsigned int rx_ev_hdr_type, rx_ev_mcast_pkt;
-	unsigned expected_ptr;
-	bool rx_ev_pkt_ok, discard = false, checksummed;
-	struct efx_rx_queue *rx_queue;
-	struct efx_nic *efx = channel->efx;
-
-	/* Basic packet information */
-	rx_ev_byte_cnt = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_BYTE_CNT);
-	rx_ev_pkt_ok = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_PKT_OK);
-	rx_ev_hdr_type = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_HDR_TYPE);
-	WARN_ON(EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_JUMBO_CONT));
-	WARN_ON(EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_SOP) != 1);
-	WARN_ON(EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_Q_LABEL) !=
-		channel->channel);
-
-	rx_queue = &efx->rx_queue[channel->channel];
-
-	rx_ev_desc_ptr = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_DESC_PTR);
-	expected_ptr = rx_queue->removed_count & EFX_RXQ_MASK;
-	if (unlikely(rx_ev_desc_ptr != expected_ptr))
-		efx_handle_rx_bad_index(rx_queue, rx_ev_desc_ptr);
-
-	if (likely(rx_ev_pkt_ok)) {
-		/* If packet is marked as OK and packet type is TCP/IP or
-		 * UDP/IP, then we can rely on the hardware checksum.
-		 */
-		checksummed =
-			likely(efx->rx_checksum_enabled) &&
-			(rx_ev_hdr_type == FSE_CZ_RX_EV_HDR_TYPE_IPV4V6_TCP ||
-			 rx_ev_hdr_type == FSE_CZ_RX_EV_HDR_TYPE_IPV4V6_UDP);
-	} else {
-		efx_handle_rx_not_ok(rx_queue, event, &rx_ev_pkt_ok, &discard);
-		checksummed = false;
-	}
-
-	/* Detect multicast packets that didn't match the filter */
-	rx_ev_mcast_pkt = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_MCAST_PKT);
-	if (rx_ev_mcast_pkt) {
-		unsigned int rx_ev_mcast_hash_match =
-			EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_MCAST_HASH_MATCH);
-
-		if (unlikely(!rx_ev_mcast_hash_match)) {
-			++channel->n_rx_mcast_mismatch;
-			discard = true;
-		}
-	}
-
-	channel->irq_mod_score += 2;
-
-	/* Handle received packet */
-	efx_rx_packet(rx_queue, rx_ev_desc_ptr, rx_ev_byte_cnt,
-		      checksummed, discard);
-}
-
-/* Global events are basically PHY events */
-static void
-efx_handle_global_event(struct efx_channel *channel, efx_qword_t *event)
-{
-	struct efx_nic *efx = channel->efx;
-	bool handled = false;
-
-	if (EFX_QWORD_FIELD(*event, FSF_AB_GLB_EV_G_PHY0_INTR) ||
-	    EFX_QWORD_FIELD(*event, FSF_AB_GLB_EV_XG_PHY0_INTR) ||
-	    EFX_QWORD_FIELD(*event, FSF_AB_GLB_EV_XFP_PHY0_INTR)) {
-		/* Ignored */
-		handled = true;
-	}
-
-	if ((efx_nic_rev(efx) >= EFX_REV_FALCON_B0) &&
-	    EFX_QWORD_FIELD(*event, FSF_BB_GLB_EV_XG_MGT_INTR)) {
-		efx->xmac_poll_required = true;
-		handled = true;
-	}
-
-	if (efx_nic_rev(efx) <= EFX_REV_FALCON_A1 ?
-	    EFX_QWORD_FIELD(*event, FSF_AA_GLB_EV_RX_RECOVERY) :
-	    EFX_QWORD_FIELD(*event, FSF_BB_GLB_EV_RX_RECOVERY)) {
-		EFX_ERR(efx, "channel %d seen global RX_RESET "
-			"event. Resetting.\n", channel->channel);
-
-		atomic_inc(&efx->rx_reset);
-		efx_schedule_reset(efx, EFX_WORKAROUND_6555(efx) ?
-				   RESET_TYPE_RX_RECOVERY : RESET_TYPE_DISABLE);
-		handled = true;
-	}
-
-	if (!handled)
-		EFX_ERR(efx, "channel %d unknown global event "
-			EFX_QWORD_FMT "\n", channel->channel,
-			EFX_QWORD_VAL(*event));
-}
-
-static void
-efx_handle_driver_event(struct efx_channel *channel, efx_qword_t *event)
-{
-	struct efx_nic *efx = channel->efx;
-	unsigned int ev_sub_code;
-	unsigned int ev_sub_data;
-
-	ev_sub_code = EFX_QWORD_FIELD(*event, FSF_AZ_DRIVER_EV_SUBCODE);
-	ev_sub_data = EFX_QWORD_FIELD(*event, FSF_AZ_DRIVER_EV_SUBDATA);
-
-	switch (ev_sub_code) {
-	case FSE_AZ_TX_DESCQ_FLS_DONE_EV:
-		EFX_TRACE(efx, "channel %d TXQ %d flushed\n",
-			  channel->channel, ev_sub_data);
-		break;
-	case FSE_AZ_RX_DESCQ_FLS_DONE_EV:
-		EFX_TRACE(efx, "channel %d RXQ %d flushed\n",
-			  channel->channel, ev_sub_data);
-		break;
-	case FSE_AZ_EVQ_INIT_DONE_EV:
-		EFX_LOG(efx, "channel %d EVQ %d initialised\n",
-			channel->channel, ev_sub_data);
-		break;
-	case FSE_AZ_SRM_UPD_DONE_EV:
-		EFX_TRACE(efx, "channel %d SRAM update done\n",
-			  channel->channel);
-		break;
-	case FSE_AZ_WAKE_UP_EV:
-		EFX_TRACE(efx, "channel %d RXQ %d wakeup event\n",
-			  channel->channel, ev_sub_data);
-		break;
-	case FSE_AZ_TIMER_EV:
-		EFX_TRACE(efx, "channel %d RX queue %d timer expired\n",
-			  channel->channel, ev_sub_data);
-		break;
-	case FSE_AA_RX_RECOVER_EV:
-		EFX_ERR(efx, "channel %d seen DRIVER RX_RESET event. "
-			"Resetting.\n", channel->channel);
-		atomic_inc(&efx->rx_reset);
-		efx_schedule_reset(efx,
-				   EFX_WORKAROUND_6555(efx) ?
-				   RESET_TYPE_RX_RECOVERY :
-				   RESET_TYPE_DISABLE);
-		break;
-	case FSE_BZ_RX_DSC_ERROR_EV:
-		EFX_ERR(efx, "RX DMA Q %d reports descriptor fetch error."
-			" RX Q %d is disabled.\n", ev_sub_data, ev_sub_data);
-		efx_schedule_reset(efx, RESET_TYPE_RX_DESC_FETCH);
-		break;
-	case FSE_BZ_TX_DSC_ERROR_EV:
-		EFX_ERR(efx, "TX DMA Q %d reports descriptor fetch error."
-			" TX Q %d is disabled.\n", ev_sub_data, ev_sub_data);
-		efx_schedule_reset(efx, RESET_TYPE_TX_DESC_FETCH);
-		break;
-	default:
-		EFX_TRACE(efx, "channel %d unknown driver event code %d "
-			  "data %04x\n", channel->channel, ev_sub_code,
-			  ev_sub_data);
-		break;
-	}
-}
-
-int efx_nic_process_eventq(struct efx_channel *channel, int rx_quota)
-{
-	unsigned int read_ptr;
-	efx_qword_t event, *p_event;
-	int ev_code;
-	int rx_packets = 0;
-
-	read_ptr = channel->eventq_read_ptr;
-
-	do {
-		p_event = efx_event(channel, read_ptr);
-		event = *p_event;
-
-		if (!efx_event_present(&event))
-			/* End of events */
-			break;
-
-		EFX_TRACE(channel->efx, "channel %d event is "EFX_QWORD_FMT"\n",
-			  channel->channel, EFX_QWORD_VAL(event));
-
-		/* Clear this event by marking it all ones */
-		EFX_SET_QWORD(*p_event);
-
-		ev_code = EFX_QWORD_FIELD(event, FSF_AZ_EV_CODE);
-
-		switch (ev_code) {
-		case FSE_AZ_EV_CODE_RX_EV:
-			efx_handle_rx_event(channel, &event);
-			++rx_packets;
-			break;
-		case FSE_AZ_EV_CODE_TX_EV:
-			efx_handle_tx_event(channel, &event);
-			break;
-		case FSE_AZ_EV_CODE_DRV_GEN_EV:
-			channel->eventq_magic = EFX_QWORD_FIELD(
-				event, FSF_AZ_DRV_GEN_EV_MAGIC);
-			EFX_LOG(channel->efx, "channel %d received generated "
-				"event "EFX_QWORD_FMT"\n", channel->channel,
-				EFX_QWORD_VAL(event));
-			break;
-		case FSE_AZ_EV_CODE_GLOBAL_EV:
-			efx_handle_global_event(channel, &event);
-			break;
-		case FSE_AZ_EV_CODE_DRIVER_EV:
-			efx_handle_driver_event(channel, &event);
-			break;
-		default:
-			EFX_ERR(channel->efx, "channel %d unknown event type %d"
-				" (data " EFX_QWORD_FMT ")\n", channel->channel,
-				ev_code, EFX_QWORD_VAL(event));
-		}
+	struct efx_nic *efx = (struct efx_nic *)data;
+	efx_oword_t reg;
 
-		/* Increment read pointer */
-		read_ptr = (read_ptr + 1) & EFX_EVQ_MASK;
+	efx_reado(efx, &reg, FR_AB_GPIO_CTL);
+	return EFX_OWORD_FIELD(reg, FRF_AB_GPIO3_IN);
+}
 
-	} while (rx_packets < rx_quota);
+static int falcon_getscl(void *data)
+{
+	struct efx_nic *efx = (struct efx_nic *)data;
+	efx_oword_t reg;
 
-	channel->eventq_read_ptr = read_ptr;
-	return rx_packets;
+	efx_reado(efx, &reg, FR_AB_GPIO_CTL);
+	return EFX_OWORD_FIELD(reg, FRF_AB_GPIO0_IN);
 }
 
+static struct i2c_algo_bit_data falcon_i2c_bit_operations = {
+	.setsda		= falcon_setsda,
+	.setscl		= falcon_setscl,
+	.getsda		= falcon_getsda,
+	.getscl		= falcon_getscl,
+	.udelay		= 5,
+	/* Wait up to 50 ms for slave to let us pull SCL high */
+	.timeout	= DIV_ROUND_UP(HZ, 20),
+};
+
 static void falcon_push_irq_moderation(struct efx_channel *channel)
 {
 	efx_dword_t timer_cmd;
@@ -1056,135 +120,6 @@ static void falcon_push_irq_moderation(struct efx_channel *channel)
 	BUILD_BUG_ON(FR_AA_TIMER_COMMAND_KER != FR_BZ_TIMER_COMMAND_P0);
 	efx_writed_page_locked(efx, &timer_cmd, FR_BZ_TIMER_COMMAND_P0,
 			       channel->channel);
-
-}
-
-/* Allocate buffer table entries for event queue */
-int efx_nic_probe_eventq(struct efx_channel *channel)
-{
-	struct efx_nic *efx = channel->efx;
-	BUILD_BUG_ON(EFX_EVQ_SIZE < 512 || EFX_EVQ_SIZE > 32768 ||
-		     EFX_EVQ_SIZE & EFX_EVQ_MASK);
-	return efx_alloc_special_buffer(efx, &channel->eventq,
-					EFX_EVQ_SIZE * sizeof(efx_qword_t));
-}
-
-void efx_nic_init_eventq(struct efx_channel *channel)
-{
-	efx_oword_t evq_ptr;
-	struct efx_nic *efx = channel->efx;
-
-	EFX_LOG(efx, "channel %d event queue in special buffers %d-%d\n",
-		channel->channel, channel->eventq.index,
-		channel->eventq.index + channel->eventq.entries - 1);
-
-	/* Pin event queue buffer */
-	efx_init_special_buffer(efx, &channel->eventq);
-
-	/* Fill event queue with all ones (i.e. empty events) */
-	memset(channel->eventq.addr, 0xff, channel->eventq.len);
-
-	/* Push event queue to card */
-	EFX_POPULATE_OWORD_3(evq_ptr,
-			     FRF_AZ_EVQ_EN, 1,
-			     FRF_AZ_EVQ_SIZE, __ffs(channel->eventq.entries),
-			     FRF_AZ_EVQ_BUF_BASE_ID, channel->eventq.index);
-	efx_writeo_table(efx, &evq_ptr, efx->type->evq_ptr_tbl_base,
-			 channel->channel);
-
-	efx->type->push_irq_moderation(channel);
-}
-
-void efx_nic_fini_eventq(struct efx_channel *channel)
-{
-	efx_oword_t eventq_ptr;
-	struct efx_nic *efx = channel->efx;
-
-	/* Remove event queue from card */
-	EFX_ZERO_OWORD(eventq_ptr);
-	efx_writeo_table(efx, &eventq_ptr, efx->type->evq_ptr_tbl_base,
-			 channel->channel);
-
-	/* Unpin event queue */
-	efx_fini_special_buffer(efx, &channel->eventq);
-}
-
-/* Free buffers backing event queue */
-void efx_nic_remove_eventq(struct efx_channel *channel)
-{
-	efx_free_special_buffer(channel->efx, &channel->eventq);
-}
-
-
-/* Generates a test event on the event queue.  A subsequent call to
- * process_eventq() should pick up the event and place the value of
- * "magic" into channel->eventq_magic;
- */
-void efx_nic_generate_test_event(struct efx_channel *channel, unsigned int magic)
-{
-	efx_qword_t test_event;
-
-	EFX_POPULATE_QWORD_2(test_event, FSF_AZ_EV_CODE,
-			     FSE_AZ_EV_CODE_DRV_GEN_EV,
-			     FSF_AZ_DRV_GEN_EV_MAGIC, magic);
-	efx_generate_event(channel, &test_event);
-}
-
-/**************************************************************************
- *
- * Flush handling
- *
- **************************************************************************/
-
-
-static void efx_poll_flush_events(struct efx_nic *efx)
-{
-	struct efx_channel *channel = &efx->channel[0];
-	struct efx_tx_queue *tx_queue;
-	struct efx_rx_queue *rx_queue;
-	unsigned int read_ptr = channel->eventq_read_ptr;
-	unsigned int end_ptr = (read_ptr - 1) & EFX_EVQ_MASK;
-
-	do {
-		efx_qword_t *event = efx_event(channel, read_ptr);
-		int ev_code, ev_sub_code, ev_queue;
-		bool ev_failed;
-
-		if (!efx_event_present(event))
-			break;
-
-		ev_code = EFX_QWORD_FIELD(*event, FSF_AZ_EV_CODE);
-		ev_sub_code = EFX_QWORD_FIELD(*event,
-					      FSF_AZ_DRIVER_EV_SUBCODE);
-		if (ev_code == FSE_AZ_EV_CODE_DRIVER_EV &&
-		    ev_sub_code == FSE_AZ_TX_DESCQ_FLS_DONE_EV) {
-			ev_queue = EFX_QWORD_FIELD(*event,
-						   FSF_AZ_DRIVER_EV_SUBDATA);
-			if (ev_queue < EFX_TX_QUEUE_COUNT) {
-				tx_queue = efx->tx_queue + ev_queue;
-				tx_queue->flushed = FLUSH_DONE;
-			}
-		} else if (ev_code == FSE_AZ_EV_CODE_DRIVER_EV &&
-			   ev_sub_code == FSE_AZ_RX_DESCQ_FLS_DONE_EV) {
-			ev_queue = EFX_QWORD_FIELD(
-				*event, FSF_AZ_DRIVER_EV_RX_DESCQ_ID);
-			ev_failed = EFX_QWORD_FIELD(
-				*event, FSF_AZ_DRIVER_EV_RX_FLUSH_FAIL);
-			if (ev_queue < efx->n_rx_queues) {
-				rx_queue = efx->rx_queue + ev_queue;
-				rx_queue->flushed =
-					ev_failed ? FLUSH_FAILED : FLUSH_DONE;
-			}
-		}
-
-		/* We're about to destroy the queue anyway, so
-		 * it's ok to throw away every non-flush event */
-		EFX_SET_QWORD(*event);
-
-		read_ptr = (read_ptr + 1) & EFX_EVQ_MASK;
-	} while (read_ptr != end_ptr);
-
-	channel->eventq_read_ptr = read_ptr;
 }
 
 static void falcon_deconfigure_mac_wrapper(struct efx_nic *efx);
@@ -1199,123 +134,6 @@ static void falcon_prepare_flush(struct efx_nic *efx)
 	msleep(10);
 }
 
-/* Handle tx and rx flushes at the same time, since they run in
- * parallel in the hardware and there's no reason for us to
- * serialise them */
-int efx_nic_flush_queues(struct efx_nic *efx)
-{
-	struct efx_rx_queue *rx_queue;
-	struct efx_tx_queue *tx_queue;
-	int i, tx_pending, rx_pending;
-
-	/* If necessary prepare the hardware for flushing */
-	efx->type->prepare_flush(efx);
-
-	/* Flush all tx queues in parallel */
-	efx_for_each_tx_queue(tx_queue, efx)
-		efx_flush_tx_queue(tx_queue);
-
-	/* The hardware supports four concurrent rx flushes, each of which may
-	 * need to be retried if there is an outstanding descriptor fetch */
-	for (i = 0; i < EFX_FLUSH_POLL_COUNT; ++i) {
-		rx_pending = tx_pending = 0;
-		efx_for_each_rx_queue(rx_queue, efx) {
-			if (rx_queue->flushed == FLUSH_PENDING)
-				++rx_pending;
-		}
-		efx_for_each_rx_queue(rx_queue, efx) {
-			if (rx_pending == EFX_RX_FLUSH_COUNT)
-				break;
-			if (rx_queue->flushed == FLUSH_FAILED ||
-			    rx_queue->flushed == FLUSH_NONE) {
-				efx_flush_rx_queue(rx_queue);
-				++rx_pending;
-			}
-		}
-		efx_for_each_tx_queue(tx_queue, efx) {
-			if (tx_queue->flushed != FLUSH_DONE)
-				++tx_pending;
-		}
-
-		if (rx_pending == 0 && tx_pending == 0)
-			return 0;
-
-		msleep(EFX_FLUSH_INTERVAL);
-		efx_poll_flush_events(efx);
-	}
-
-	/* Mark the queues as all flushed. We're going to return failure
-	 * leading to a reset, or fake up success anyway */
-	efx_for_each_tx_queue(tx_queue, efx) {
-		if (tx_queue->flushed != FLUSH_DONE)
-			EFX_ERR(efx, "tx queue %d flush command timed out\n",
-				tx_queue->queue);
-		tx_queue->flushed = FLUSH_DONE;
-	}
-	efx_for_each_rx_queue(rx_queue, efx) {
-		if (rx_queue->flushed != FLUSH_DONE)
-			EFX_ERR(efx, "rx queue %d flush command timed out\n",
-				rx_queue->queue);
-		rx_queue->flushed = FLUSH_DONE;
-	}
-
-	if (EFX_WORKAROUND_7803(efx))
-		return 0;
-
-	return -ETIMEDOUT;
-}
-
-/**************************************************************************
- *
- * Hardware interrupts
- * The hardware interrupt handler does very little work; all the event
- * queue processing is carried out by per-channel tasklets.
- *
- **************************************************************************/
-
-/* Enable/disable/generate interrupts */
-static inline void efx_nic_interrupts(struct efx_nic *efx,
-				      bool enabled, bool force)
-{
-	efx_oword_t int_en_reg_ker;
-
-	EFX_POPULATE_OWORD_2(int_en_reg_ker,
-			     FRF_AZ_KER_INT_KER, force,
-			     FRF_AZ_DRV_INT_EN_KER, enabled);
-	efx_writeo(efx, &int_en_reg_ker, FR_AZ_INT_EN_KER);
-}
-
-void efx_nic_enable_interrupts(struct efx_nic *efx)
-{
-	struct efx_channel *channel;
-
-	EFX_ZERO_OWORD(*((efx_oword_t *) efx->irq_status.addr));
-	wmb(); /* Ensure interrupt vector is clear before interrupts enabled */
-
-	/* Enable interrupts */
-	efx_nic_interrupts(efx, true, false);
-
-	/* Force processing of all the channels to get the EVQ RPTRs up to
-	   date */
-	efx_for_each_channel(channel, efx)
-		efx_schedule_channel(channel);
-}
-
-void efx_nic_disable_interrupts(struct efx_nic *efx)
-{
-	/* Disable interrupts */
-	efx_nic_interrupts(efx, false, false);
-}
-
-/* Generate a test interrupt
- * Interrupt must already have been enabled, otherwise nasty things
- * may happen.
- */
-void efx_nic_generate_interrupt(struct efx_nic *efx)
-{
-	efx_nic_interrupts(efx, true, true);
-}
-
 /* Acknowledge a legacy interrupt from Falcon
  *
  * This acknowledges a legacy (not MSI) interrupt via INT_ACK_KER_REG.
@@ -1335,102 +153,6 @@ inline void falcon_irq_ack_a1(struct efx_nic *efx)
 	efx_readd(efx, &reg, FR_AA_WORK_AROUND_BROKEN_PCI_READS);
 }
 
-/* Process a fatal interrupt
- * Disable bus mastering ASAP and schedule a reset
- */
-irqreturn_t efx_nic_fatal_interrupt(struct efx_nic *efx)
-{
-	struct falcon_nic_data *nic_data = efx->nic_data;
-	efx_oword_t *int_ker = efx->irq_status.addr;
-	efx_oword_t fatal_intr;
-	int error, mem_perr;
-
-	efx_reado(efx, &fatal_intr, FR_AZ_FATAL_INTR_KER);
-	error = EFX_OWORD_FIELD(fatal_intr, FRF_AZ_FATAL_INTR);
-
-	EFX_ERR(efx, "SYSTEM ERROR " EFX_OWORD_FMT " status "
-		EFX_OWORD_FMT ": %s\n", EFX_OWORD_VAL(*int_ker),
-		EFX_OWORD_VAL(fatal_intr),
-		error ? "disabling bus mastering" : "no recognised error");
-	if (error == 0)
-		goto out;
-
-	/* If this is a memory parity error dump which blocks are offending */
-	mem_perr = EFX_OWORD_FIELD(fatal_intr, FRF_AZ_MEM_PERR_INT_KER);
-	if (mem_perr) {
-		efx_oword_t reg;
-		efx_reado(efx, &reg, FR_AZ_MEM_STAT);
-		EFX_ERR(efx, "SYSTEM ERROR: memory parity error "
-			EFX_OWORD_FMT "\n", EFX_OWORD_VAL(reg));
-	}
-
-	/* Disable both devices */
-	pci_clear_master(efx->pci_dev);
-	if (efx_nic_is_dual_func(efx))
-		pci_clear_master(nic_data->pci_dev2);
-	efx_nic_disable_interrupts(efx);
-
-	/* Count errors and reset or disable the NIC accordingly */
-	if (efx->int_error_count == 0 ||
-	    time_after(jiffies, efx->int_error_expire)) {
-		efx->int_error_count = 0;
-		efx->int_error_expire =
-			jiffies + EFX_INT_ERROR_EXPIRE * HZ;
-	}
-	if (++efx->int_error_count < EFX_MAX_INT_ERRORS) {
-		EFX_ERR(efx, "SYSTEM ERROR - reset scheduled\n");
-		efx_schedule_reset(efx, RESET_TYPE_INT_ERROR);
-	} else {
-		EFX_ERR(efx, "SYSTEM ERROR - max number of errors seen."
-			"NIC will be disabled\n");
-		efx_schedule_reset(efx, RESET_TYPE_DISABLE);
-	}
-out:
-	return IRQ_HANDLED;
-}
-
-/* Handle a legacy interrupt
- * Acknowledges the interrupt and schedule event queue processing.
- */
-static irqreturn_t efx_legacy_interrupt(int irq, void *dev_id)
-{
-	struct efx_nic *efx = dev_id;
-	efx_oword_t *int_ker = efx->irq_status.addr;
-	irqreturn_t result = IRQ_NONE;
-	struct efx_channel *channel;
-	efx_dword_t reg;
-	u32 queues;
-	int syserr;
-
-	/* Read the ISR which also ACKs the interrupts */
-	efx_readd(efx, &reg, FR_BZ_INT_ISR0);
-	queues = EFX_EXTRACT_DWORD(reg, 0, 31);
-
-	/* Check to see if we have a serious error condition */
-	syserr = EFX_OWORD_FIELD(*int_ker, FSF_AZ_NET_IVEC_FATAL_INT);
-	if (unlikely(syserr))
-		return efx_nic_fatal_interrupt(efx);
-
-	/* Schedule processing of any interrupting queues */
-	efx_for_each_channel(channel, efx) {
-		if ((queues & 1) ||
-		    efx_event_present(
-			    efx_event(channel, channel->eventq_read_ptr))) {
-			efx_schedule_channel(channel);
-			result = IRQ_HANDLED;
-		}
-		queues >>= 1;
-	}
-
-	if (result == IRQ_HANDLED) {
-		efx->last_irq_cpu = raw_smp_processor_id();
-		EFX_TRACE(efx, "IRQ %d on CPU %d status " EFX_DWORD_FMT "\n",
-			  irq, raw_smp_processor_id(), EFX_DWORD_VAL(reg));
-	}
-
-	return result;
-}
-
 
 irqreturn_t falcon_legacy_interrupt_a1(int irq, void *dev_id)
 {
@@ -1477,126 +199,6 @@ irqreturn_t falcon_legacy_interrupt_a1(int irq, void *dev_id)
 
 	return IRQ_HANDLED;
 }
-
-/* Handle an MSI interrupt
- *
- * Handle an MSI hardware interrupt.  This routine schedules event
- * queue processing.  No interrupt acknowledgement cycle is necessary.
- * Also, we never need to check that the interrupt is for us, since
- * MSI interrupts cannot be shared.
- */
-static irqreturn_t efx_msi_interrupt(int irq, void *dev_id)
-{
-	struct efx_channel *channel = dev_id;
-	struct efx_nic *efx = channel->efx;
-	efx_oword_t *int_ker = efx->irq_status.addr;
-	int syserr;
-
-	efx->last_irq_cpu = raw_smp_processor_id();
-	EFX_TRACE(efx, "IRQ %d on CPU %d status " EFX_OWORD_FMT "\n",
-		  irq, raw_smp_processor_id(), EFX_OWORD_VAL(*int_ker));
-
-	/* Check to see if we have a serious error condition */
-	syserr = EFX_OWORD_FIELD(*int_ker, FSF_AZ_NET_IVEC_FATAL_INT);
-	if (unlikely(syserr))
-		return efx_nic_fatal_interrupt(efx);
-
-	/* Schedule processing of the channel */
-	efx_schedule_channel(channel);
-
-	return IRQ_HANDLED;
-}
-
-
-/* Setup RSS indirection table.
- * This maps from the hash value of the packet to RXQ
- */
-static void efx_setup_rss_indir_table(struct efx_nic *efx)
-{
-	int i = 0;
-	unsigned long offset;
-	efx_dword_t dword;
-
-	if (efx_nic_rev(efx) < EFX_REV_FALCON_B0)
-		return;
-
-	for (offset = FR_BZ_RX_INDIRECTION_TBL;
-	     offset < FR_BZ_RX_INDIRECTION_TBL + 0x800;
-	     offset += 0x10) {
-		EFX_POPULATE_DWORD_1(dword, FRF_BZ_IT_QUEUE,
-				     i % efx->n_rx_queues);
-		efx_writed(efx, &dword, offset);
-		i++;
-	}
-}
-
-/* Hook interrupt handler(s)
- * Try MSI and then legacy interrupts.
- */
-int efx_nic_init_interrupt(struct efx_nic *efx)
-{
-	struct efx_channel *channel;
-	int rc;
-
-	if (!EFX_INT_MODE_USE_MSI(efx)) {
-		irq_handler_t handler;
-		if (efx_nic_rev(efx) >= EFX_REV_FALCON_B0)
-			handler = efx_legacy_interrupt;
-		else
-			handler = falcon_legacy_interrupt_a1;
-
-		rc = request_irq(efx->legacy_irq, handler, IRQF_SHARED,
-				 efx->name, efx);
-		if (rc) {
-			EFX_ERR(efx, "failed to hook legacy IRQ %d\n",
-				efx->pci_dev->irq);
-			goto fail1;
-		}
-		return 0;
-	}
-
-	/* Hook MSI or MSI-X interrupt */
-	efx_for_each_channel(channel, efx) {
-		rc = request_irq(channel->irq, efx_msi_interrupt,
-				 IRQF_PROBE_SHARED, /* Not shared */
-				 channel->name, channel);
-		if (rc) {
-			EFX_ERR(efx, "failed to hook IRQ %d\n", channel->irq);
-			goto fail2;
-		}
-	}
-
-	return 0;
-
- fail2:
-	efx_for_each_channel(channel, efx)
-		free_irq(channel->irq, channel);
- fail1:
-	return rc;
-}
-
-void efx_nic_fini_interrupt(struct efx_nic *efx)
-{
-	struct efx_channel *channel;
-	efx_oword_t reg;
-
-	/* Disable MSI/MSI-X interrupts */
-	efx_for_each_channel(channel, efx) {
-		if (channel->irq)
-			free_irq(channel->irq, channel);
-	}
-
-	/* ACK legacy interrupt */
-	if (efx_nic_rev(efx) >= EFX_REV_FALCON_B0)
-		efx_reado(efx, &reg, FR_BZ_INT_ISR0);
-	else
-		falcon_irq_ack_a1(efx);
-
-	/* Disable legacy interrupt */
-	if (efx->legacy_irq)
-		free_irq(efx->legacy_irq, efx);
-}
-
 /**************************************************************************
  *
  * EEPROM/flash
@@ -2440,68 +1042,6 @@ static const struct efx_nic_register_test falcon_b0_register_tests[] = {
 	  EFX_OWORD32(0x0003FF0F, 0x00000000, 0x00000000, 0x00000000) },
 };
 
-static bool efx_masked_compare_oword(const efx_oword_t *a, const efx_oword_t *b,
-				     const efx_oword_t *mask)
-{
-	return ((a->u64[0] ^ b->u64[0]) & mask->u64[0]) ||
-		((a->u64[1] ^ b->u64[1]) & mask->u64[1]);
-}
-
-int efx_nic_test_registers(struct efx_nic *efx,
-			   const struct efx_nic_register_test *regs,
-			   size_t n_regs)
-{
-	unsigned address = 0, i, j;
-	efx_oword_t mask, imask, original, reg, buf;
-
-	/* Falcon should be in loopback to isolate the XMAC from the PHY */
-	WARN_ON(!LOOPBACK_INTERNAL(efx));
-
-	for (i = 0; i < n_regs; ++i) {
-		address = regs[i].address;
-		mask = imask = regs[i].mask;
-		EFX_INVERT_OWORD(imask);
-
-		efx_reado(efx, &original, address);
-
-		/* bit sweep on and off */
-		for (j = 0; j < 128; j++) {
-			if (!EFX_EXTRACT_OWORD32(mask, j, j))
-				continue;
-
-			/* Test this testable bit can be set in isolation */
-			EFX_AND_OWORD(reg, original, mask);
-			EFX_SET_OWORD32(reg, j, j, 1);
-
-			efx_writeo(efx, &reg, address);
-			efx_reado(efx, &buf, address);
-
-			if (efx_masked_compare_oword(&reg, &buf, &mask))
-				goto fail;
-
-			/* Test this testable bit can be cleared in isolation */
-			EFX_OR_OWORD(reg, original, mask);
-			EFX_SET_OWORD32(reg, j, j, 0);
-
-			efx_writeo(efx, &reg, address);
-			efx_reado(efx, &buf, address);
-
-			if (efx_masked_compare_oword(&reg, &buf, &mask))
-				goto fail;
-		}
-
-		efx_writeo(efx, &original, address);
-	}
-
-	return 0;
-
-fail:
-	EFX_ERR(efx, "wrote "EFX_OWORD_FMT" read "EFX_OWORD_FMT
-		" at address 0x%x mask "EFX_OWORD_FMT"\n", EFX_OWORD_VAL(reg),
-		EFX_OWORD_VAL(buf), address, EFX_OWORD_VAL(mask));
-	return -EIO;
-}
-
 static int falcon_b0_test_registers(struct efx_nic *efx)
 {
 	return efx_nic_test_registers(efx, falcon_b0_register_tests,
@@ -2719,7 +1259,6 @@ static int falcon_spi_device_init(struct efx_nic *efx,
 	return 0;
 }
 
-
 static void falcon_remove_spi_devices(struct efx_nic *efx)
 {
 	kfree(efx->spi_eeprom);
@@ -2789,14 +1328,6 @@ static int falcon_probe_nvconfig(struct efx_nic *efx)
 	return rc;
 }
 
-u32 efx_nic_fpga_ver(struct efx_nic *efx)
-{
-	efx_oword_t altera_build;
-
-	efx_reado(efx, &altera_build, FR_AZ_ALTERA_BUILD);
-	return EFX_OWORD_FIELD(altera_build, FRF_AZ_ALTERA_BUILD_VER);
-}
-
 /* Probe all SPI devices on the NIC */
 static void falcon_probe_spi_devices(struct efx_nic *efx)
 {
@@ -3006,73 +1537,6 @@ static void falcon_init_rx_cfg(struct efx_nic *efx)
 	efx_writeo(efx, &reg, FR_AZ_RX_CFG);
 }
 
-void efx_nic_init_common(struct efx_nic *efx)
-{
-	efx_oword_t temp;
-
-	/* Set positions of descriptor caches in SRAM. */
-	EFX_POPULATE_OWORD_1(temp, FRF_AZ_SRM_TX_DC_BASE_ADR,
-			     efx->type->tx_dc_base / 8);
-	efx_writeo(efx, &temp, FR_AZ_SRM_TX_DC_CFG);
-	EFX_POPULATE_OWORD_1(temp, FRF_AZ_SRM_RX_DC_BASE_ADR,
-			     efx->type->rx_dc_base / 8);
-	efx_writeo(efx, &temp, FR_AZ_SRM_RX_DC_CFG);
-
-	/* Set TX descriptor cache size. */
-	BUILD_BUG_ON(TX_DC_ENTRIES != (8 << TX_DC_ENTRIES_ORDER));
-	EFX_POPULATE_OWORD_1(temp, FRF_AZ_TX_DC_SIZE, TX_DC_ENTRIES_ORDER);
-	efx_writeo(efx, &temp, FR_AZ_TX_DC_CFG);
-
-	/* Set RX descriptor cache size.  Set low watermark to size-8, as
-	 * this allows most efficient prefetching.
-	 */
-	BUILD_BUG_ON(RX_DC_ENTRIES != (8 << RX_DC_ENTRIES_ORDER));
-	EFX_POPULATE_OWORD_1(temp, FRF_AZ_RX_DC_SIZE, RX_DC_ENTRIES_ORDER);
-	efx_writeo(efx, &temp, FR_AZ_RX_DC_CFG);
-	EFX_POPULATE_OWORD_1(temp, FRF_AZ_RX_DC_PF_LWM, RX_DC_ENTRIES - 8);
-	efx_writeo(efx, &temp, FR_AZ_RX_DC_PF_WM);
-
-	/* Program INT_KER address */
-	EFX_POPULATE_OWORD_2(temp,
-			     FRF_AZ_NORM_INT_VEC_DIS_KER,
-			     EFX_INT_MODE_USE_MSI(efx),
-			     FRF_AZ_INT_ADR_KER, efx->irq_status.dma_addr);
-	efx_writeo(efx, &temp, FR_AZ_INT_ADR_KER);
-
-	/* Enable all the genuinely fatal interrupts.  (They are still
-	 * masked by the overall interrupt mask, controlled by
-	 * falcon_interrupts()).
-	 *
-	 * Note: All other fatal interrupts are enabled
-	 */
-	EFX_POPULATE_OWORD_3(temp,
-			     FRF_AZ_ILL_ADR_INT_KER_EN, 1,
-			     FRF_AZ_RBUF_OWN_INT_KER_EN, 1,
-			     FRF_AZ_TBUF_OWN_INT_KER_EN, 1);
-	EFX_INVERT_OWORD(temp);
-	efx_writeo(efx, &temp, FR_AZ_FATAL_INTR_KER);
-
-	efx_setup_rss_indir_table(efx);
-
-	/* Disable the ugly timer-based TX DMA backoff and allow TX DMA to be
-	 * controlled by the RX FIFO fill level. Set arbitration to one pkt/Q.
-	 */
-	efx_reado(efx, &temp, FR_AZ_TX_RESERVED);
-	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_RX_SPACER, 0xfe);
-	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_RX_SPACER_EN, 1);
-	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_ONE_PKT_PER_Q, 1);
-	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_PUSH_EN, 0);
-	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_DIS_NON_IP_EV, 1);
-	/* Enable SW_EV to inherit in char driver - assume harmless here */
-	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_SOFT_EVT_EN, 1);
-	/* Prefetch threshold 2 => fetch when descriptor cache half empty */
-	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_PREF_THRESHOLD, 2);
-	/* Squash TX of packets of 16 bytes or less */
-	if (efx_nic_rev(efx) >= EFX_REV_FALCON_B0)
-		EFX_SET_OWORD_FIELD(temp, FRF_BZ_TX_FLUSH_MIN_LEN_EN, 1);
-	efx_writeo(efx, &temp, FR_AZ_TX_RESERVED);
-}
-
 /* This call performs hardware-specific global initialisation, such as
  * defining the descriptor cache sizes and number of RSS channels.
  * It does not set up any buffers, descriptor rings or event queues.
diff --git a/drivers/net/sfc/nic.c b/drivers/net/sfc/nic.c
new file mode 100644
index 00000000000..55dbd7994b6
--- /dev/null
+++ b/drivers/net/sfc/nic.c
@@ -0,0 +1,1548 @@
+/****************************************************************************
+ * Driver for Solarflare Solarstorm network controllers and boards
+ * Copyright 2005-2006 Fen Systems Ltd.
+ * Copyright 2006-2008 Solarflare Communications Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation, incorporated herein by reference.
+ */
+
+#include <linux/bitops.h>
+#include <linux/delay.h>
+#include <linux/pci.h>
+#include <linux/module.h>
+#include <linux/seq_file.h>
+#include "net_driver.h"
+#include "bitfield.h"
+#include "efx.h"
+#include "nic.h"
+#include "regs.h"
+#include "io.h"
+#include "workarounds.h"
+
+/**************************************************************************
+ *
+ * Configurable values
+ *
+ **************************************************************************
+ */
+
+/* This is set to 16 for a good reason.  In summary, if larger than
+ * 16, the descriptor cache holds more than a default socket
+ * buffer's worth of packets (for UDP we can only have at most one
+ * socket buffer's worth outstanding).  This combined with the fact
+ * that we only get 1 TX event per descriptor cache means the NIC
+ * goes idle.
+ */
+#define TX_DC_ENTRIES 16
+#define TX_DC_ENTRIES_ORDER 1
+
+#define RX_DC_ENTRIES 64
+#define RX_DC_ENTRIES_ORDER 3
+
+/* RX FIFO XOFF watermark
+ *
+ * When the amount of the RX FIFO increases used increases past this
+ * watermark send XOFF. Only used if RX flow control is enabled (ethtool -A)
+ * This also has an effect on RX/TX arbitration
+ */
+int efx_nic_rx_xoff_thresh = -1;
+module_param_named(rx_xoff_thresh_bytes, efx_nic_rx_xoff_thresh, int, 0644);
+MODULE_PARM_DESC(rx_xoff_thresh_bytes, "RX fifo XOFF threshold");
+
+/* RX FIFO XON watermark
+ *
+ * When the amount of the RX FIFO used decreases below this
+ * watermark send XON. Only used if TX flow control is enabled (ethtool -A)
+ * This also has an effect on RX/TX arbitration
+ */
+int efx_nic_rx_xon_thresh = -1;
+module_param_named(rx_xon_thresh_bytes, efx_nic_rx_xon_thresh, int, 0644);
+MODULE_PARM_DESC(rx_xon_thresh_bytes, "RX fifo XON threshold");
+
+/* If EFX_MAX_INT_ERRORS internal errors occur within
+ * EFX_INT_ERROR_EXPIRE seconds, we consider the NIC broken and
+ * disable it.
+ */
+#define EFX_INT_ERROR_EXPIRE 3600
+#define EFX_MAX_INT_ERRORS 5
+
+/* We poll for events every FLUSH_INTERVAL ms, and check FLUSH_POLL_COUNT times
+ */
+#define EFX_FLUSH_INTERVAL 10
+#define EFX_FLUSH_POLL_COUNT 100
+
+/* Size and alignment of special buffers (4KB) */
+#define EFX_BUF_SIZE 4096
+
+/* Depth of RX flush request fifo */
+#define EFX_RX_FLUSH_COUNT 4
+
+/**************************************************************************
+ *
+ * Solarstorm hardware access
+ *
+ **************************************************************************/
+
+static inline void efx_write_buf_tbl(struct efx_nic *efx, efx_qword_t *value,
+				     unsigned int index)
+{
+	efx_sram_writeq(efx, efx->membase + efx->type->buf_tbl_base,
+			value, index);
+}
+
+/* Read the current event from the event queue */
+static inline efx_qword_t *efx_event(struct efx_channel *channel,
+				     unsigned int index)
+{
+	return (((efx_qword_t *) (channel->eventq.addr)) + index);
+}
+
+/* See if an event is present
+ *
+ * We check both the high and low dword of the event for all ones.  We
+ * wrote all ones when we cleared the event, and no valid event can
+ * have all ones in either its high or low dwords.  This approach is
+ * robust against reordering.
+ *
+ * Note that using a single 64-bit comparison is incorrect; even
+ * though the CPU read will be atomic, the DMA write may not be.
+ */
+static inline int efx_event_present(efx_qword_t *event)
+{
+	return (!(EFX_DWORD_IS_ALL_ONES(event->dword[0]) |
+		  EFX_DWORD_IS_ALL_ONES(event->dword[1])));
+}
+
+static bool efx_masked_compare_oword(const efx_oword_t *a, const efx_oword_t *b,
+				     const efx_oword_t *mask)
+{
+	return ((a->u64[0] ^ b->u64[0]) & mask->u64[0]) ||
+		((a->u64[1] ^ b->u64[1]) & mask->u64[1]);
+}
+
+int efx_nic_test_registers(struct efx_nic *efx,
+			   const struct efx_nic_register_test *regs,
+			   size_t n_regs)
+{
+	unsigned address = 0, i, j;
+	efx_oword_t mask, imask, original, reg, buf;
+
+	/* Falcon should be in loopback to isolate the XMAC from the PHY */
+	WARN_ON(!LOOPBACK_INTERNAL(efx));
+
+	for (i = 0; i < n_regs; ++i) {
+		address = regs[i].address;
+		mask = imask = regs[i].mask;
+		EFX_INVERT_OWORD(imask);
+
+		efx_reado(efx, &original, address);
+
+		/* bit sweep on and off */
+		for (j = 0; j < 128; j++) {
+			if (!EFX_EXTRACT_OWORD32(mask, j, j))
+				continue;
+
+			/* Test this testable bit can be set in isolation */
+			EFX_AND_OWORD(reg, original, mask);
+			EFX_SET_OWORD32(reg, j, j, 1);
+
+			efx_writeo(efx, &reg, address);
+			efx_reado(efx, &buf, address);
+
+			if (efx_masked_compare_oword(&reg, &buf, &mask))
+				goto fail;
+
+			/* Test this testable bit can be cleared in isolation */
+			EFX_OR_OWORD(reg, original, mask);
+			EFX_SET_OWORD32(reg, j, j, 0);
+
+			efx_writeo(efx, &reg, address);
+			efx_reado(efx, &buf, address);
+
+			if (efx_masked_compare_oword(&reg, &buf, &mask))
+				goto fail;
+		}
+
+		efx_writeo(efx, &original, address);
+	}
+
+	return 0;
+
+fail:
+	EFX_ERR(efx, "wrote "EFX_OWORD_FMT" read "EFX_OWORD_FMT
+		" at address 0x%x mask "EFX_OWORD_FMT"\n", EFX_OWORD_VAL(reg),
+		EFX_OWORD_VAL(buf), address, EFX_OWORD_VAL(mask));
+	return -EIO;
+}
+
+/**************************************************************************
+ *
+ * Special buffer handling
+ * Special buffers are used for event queues and the TX and RX
+ * descriptor rings.
+ *
+ *************************************************************************/
+
+/*
+ * Initialise a special buffer
+ *
+ * This will define a buffer (previously allocated via
+ * efx_alloc_special_buffer()) in the buffer table, allowing
+ * it to be used for event queues, descriptor rings etc.
+ */
+static void
+efx_init_special_buffer(struct efx_nic *efx, struct efx_special_buffer *buffer)
+{
+	efx_qword_t buf_desc;
+	int index;
+	dma_addr_t dma_addr;
+	int i;
+
+	EFX_BUG_ON_PARANOID(!buffer->addr);
+
+	/* Write buffer descriptors to NIC */
+	for (i = 0; i < buffer->entries; i++) {
+		index = buffer->index + i;
+		dma_addr = buffer->dma_addr + (i * 4096);
+		EFX_LOG(efx, "mapping special buffer %d at %llx\n",
+			index, (unsigned long long)dma_addr);
+		EFX_POPULATE_QWORD_3(buf_desc,
+				     FRF_AZ_BUF_ADR_REGION, 0,
+				     FRF_AZ_BUF_ADR_FBUF, dma_addr >> 12,
+				     FRF_AZ_BUF_OWNER_ID_FBUF, 0);
+		efx_write_buf_tbl(efx, &buf_desc, index);
+	}
+}
+
+/* Unmaps a buffer and clears the buffer table entries */
+static void
+efx_fini_special_buffer(struct efx_nic *efx, struct efx_special_buffer *buffer)
+{
+	efx_oword_t buf_tbl_upd;
+	unsigned int start = buffer->index;
+	unsigned int end = (buffer->index + buffer->entries - 1);
+
+	if (!buffer->entries)
+		return;
+
+	EFX_LOG(efx, "unmapping special buffers %d-%d\n",
+		buffer->index, buffer->index + buffer->entries - 1);
+
+	EFX_POPULATE_OWORD_4(buf_tbl_upd,
+			     FRF_AZ_BUF_UPD_CMD, 0,
+			     FRF_AZ_BUF_CLR_CMD, 1,
+			     FRF_AZ_BUF_CLR_END_ID, end,
+			     FRF_AZ_BUF_CLR_START_ID, start);
+	efx_writeo(efx, &buf_tbl_upd, FR_AZ_BUF_TBL_UPD);
+}
+
+/*
+ * Allocate a new special buffer
+ *
+ * This allocates memory for a new buffer, clears it and allocates a
+ * new buffer ID range.  It does not write into the buffer table.
+ *
+ * This call will allocate 4KB buffers, since 8KB buffers can't be
+ * used for event queues and descriptor rings.
+ */
+static int efx_alloc_special_buffer(struct efx_nic *efx,
+				    struct efx_special_buffer *buffer,
+				    unsigned int len)
+{
+	len = ALIGN(len, EFX_BUF_SIZE);
+
+	buffer->addr = pci_alloc_consistent(efx->pci_dev, len,
+					    &buffer->dma_addr);
+	if (!buffer->addr)
+		return -ENOMEM;
+	buffer->len = len;
+	buffer->entries = len / EFX_BUF_SIZE;
+	BUG_ON(buffer->dma_addr & (EFX_BUF_SIZE - 1));
+
+	/* All zeros is a potentially valid event so memset to 0xff */
+	memset(buffer->addr, 0xff, len);
+
+	/* Select new buffer ID */
+	buffer->index = efx->next_buffer_table;
+	efx->next_buffer_table += buffer->entries;
+
+	EFX_LOG(efx, "allocating special buffers %d-%d at %llx+%x "
+		"(virt %p phys %llx)\n", buffer->index,
+		buffer->index + buffer->entries - 1,
+		(u64)buffer->dma_addr, len,
+		buffer->addr, (u64)virt_to_phys(buffer->addr));
+
+	return 0;
+}
+
+static void
+efx_free_special_buffer(struct efx_nic *efx, struct efx_special_buffer *buffer)
+{
+	if (!buffer->addr)
+		return;
+
+	EFX_LOG(efx, "deallocating special buffers %d-%d at %llx+%x "
+		"(virt %p phys %llx)\n", buffer->index,
+		buffer->index + buffer->entries - 1,
+		(u64)buffer->dma_addr, buffer->len,
+		buffer->addr, (u64)virt_to_phys(buffer->addr));
+
+	pci_free_consistent(efx->pci_dev, buffer->len, buffer->addr,
+			    buffer->dma_addr);
+	buffer->addr = NULL;
+	buffer->entries = 0;
+}
+
+/**************************************************************************
+ *
+ * Generic buffer handling
+ * These buffers are used for interrupt status and MAC stats
+ *
+ **************************************************************************/
+
+int efx_nic_alloc_buffer(struct efx_nic *efx, struct efx_buffer *buffer,
+			 unsigned int len)
+{
+	buffer->addr = pci_alloc_consistent(efx->pci_dev, len,
+					    &buffer->dma_addr);
+	if (!buffer->addr)
+		return -ENOMEM;
+	buffer->len = len;
+	memset(buffer->addr, 0, len);
+	return 0;
+}
+
+void efx_nic_free_buffer(struct efx_nic *efx, struct efx_buffer *buffer)
+{
+	if (buffer->addr) {
+		pci_free_consistent(efx->pci_dev, buffer->len,
+				    buffer->addr, buffer->dma_addr);
+		buffer->addr = NULL;
+	}
+}
+
+/**************************************************************************
+ *
+ * TX path
+ *
+ **************************************************************************/
+
+/* Returns a pointer to the specified transmit descriptor in the TX
+ * descriptor queue belonging to the specified channel.
+ */
+static inline efx_qword_t *
+efx_tx_desc(struct efx_tx_queue *tx_queue, unsigned int index)
+{
+	return (((efx_qword_t *) (tx_queue->txd.addr)) + index);
+}
+
+/* This writes to the TX_DESC_WPTR; write pointer for TX descriptor ring */
+static inline void efx_notify_tx_desc(struct efx_tx_queue *tx_queue)
+{
+	unsigned write_ptr;
+	efx_dword_t reg;
+
+	write_ptr = tx_queue->write_count & EFX_TXQ_MASK;
+	EFX_POPULATE_DWORD_1(reg, FRF_AZ_TX_DESC_WPTR_DWORD, write_ptr);
+	efx_writed_page(tx_queue->efx, &reg,
+			FR_AZ_TX_DESC_UPD_DWORD_P0, tx_queue->queue);
+}
+
+
+/* For each entry inserted into the software descriptor ring, create a
+ * descriptor in the hardware TX descriptor ring (in host memory), and
+ * write a doorbell.
+ */
+void efx_nic_push_buffers(struct efx_tx_queue *tx_queue)
+{
+
+	struct efx_tx_buffer *buffer;
+	efx_qword_t *txd;
+	unsigned write_ptr;
+
+	BUG_ON(tx_queue->write_count == tx_queue->insert_count);
+
+	do {
+		write_ptr = tx_queue->write_count & EFX_TXQ_MASK;
+		buffer = &tx_queue->buffer[write_ptr];
+		txd = efx_tx_desc(tx_queue, write_ptr);
+		++tx_queue->write_count;
+
+		/* Create TX descriptor ring entry */
+		EFX_POPULATE_QWORD_4(*txd,
+				     FSF_AZ_TX_KER_CONT, buffer->continuation,
+				     FSF_AZ_TX_KER_BYTE_COUNT, buffer->len,
+				     FSF_AZ_TX_KER_BUF_REGION, 0,
+				     FSF_AZ_TX_KER_BUF_ADDR, buffer->dma_addr);
+	} while (tx_queue->write_count != tx_queue->insert_count);
+
+	wmb(); /* Ensure descriptors are written before they are fetched */
+	efx_notify_tx_desc(tx_queue);
+}
+
+/* Allocate hardware resources for a TX queue */
+int efx_nic_probe_tx(struct efx_tx_queue *tx_queue)
+{
+	struct efx_nic *efx = tx_queue->efx;
+	BUILD_BUG_ON(EFX_TXQ_SIZE < 512 || EFX_TXQ_SIZE > 4096 ||
+		     EFX_TXQ_SIZE & EFX_TXQ_MASK);
+	return efx_alloc_special_buffer(efx, &tx_queue->txd,
+					EFX_TXQ_SIZE * sizeof(efx_qword_t));
+}
+
+void efx_nic_init_tx(struct efx_tx_queue *tx_queue)
+{
+	efx_oword_t tx_desc_ptr;
+	struct efx_nic *efx = tx_queue->efx;
+
+	tx_queue->flushed = FLUSH_NONE;
+
+	/* Pin TX descriptor ring */
+	efx_init_special_buffer(efx, &tx_queue->txd);
+
+	/* Push TX descriptor ring to card */
+	EFX_POPULATE_OWORD_10(tx_desc_ptr,
+			      FRF_AZ_TX_DESCQ_EN, 1,
+			      FRF_AZ_TX_ISCSI_DDIG_EN, 0,
+			      FRF_AZ_TX_ISCSI_HDIG_EN, 0,
+			      FRF_AZ_TX_DESCQ_BUF_BASE_ID, tx_queue->txd.index,
+			      FRF_AZ_TX_DESCQ_EVQ_ID,
+			      tx_queue->channel->channel,
+			      FRF_AZ_TX_DESCQ_OWNER_ID, 0,
+			      FRF_AZ_TX_DESCQ_LABEL, tx_queue->queue,
+			      FRF_AZ_TX_DESCQ_SIZE,
+			      __ffs(tx_queue->txd.entries),
+			      FRF_AZ_TX_DESCQ_TYPE, 0,
+			      FRF_BZ_TX_NON_IP_DROP_DIS, 1);
+
+	if (efx_nic_rev(efx) >= EFX_REV_FALCON_B0) {
+		int csum = tx_queue->queue == EFX_TX_QUEUE_OFFLOAD_CSUM;
+		EFX_SET_OWORD_FIELD(tx_desc_ptr, FRF_BZ_TX_IP_CHKSM_DIS, !csum);
+		EFX_SET_OWORD_FIELD(tx_desc_ptr, FRF_BZ_TX_TCP_CHKSM_DIS,
+				    !csum);
+	}
+
+	efx_writeo_table(efx, &tx_desc_ptr, efx->type->txd_ptr_tbl_base,
+			 tx_queue->queue);
+
+	if (efx_nic_rev(efx) < EFX_REV_FALCON_B0) {
+		efx_oword_t reg;
+
+		/* Only 128 bits in this register */
+		BUILD_BUG_ON(EFX_TX_QUEUE_COUNT >= 128);
+
+		efx_reado(efx, &reg, FR_AA_TX_CHKSM_CFG);
+		if (tx_queue->queue == EFX_TX_QUEUE_OFFLOAD_CSUM)
+			clear_bit_le(tx_queue->queue, (void *)&reg);
+		else
+			set_bit_le(tx_queue->queue, (void *)&reg);
+		efx_writeo(efx, &reg, FR_AA_TX_CHKSM_CFG);
+	}
+}
+
+static void efx_flush_tx_queue(struct efx_tx_queue *tx_queue)
+{
+	struct efx_nic *efx = tx_queue->efx;
+	efx_oword_t tx_flush_descq;
+
+	tx_queue->flushed = FLUSH_PENDING;
+
+	/* Post a flush command */
+	EFX_POPULATE_OWORD_2(tx_flush_descq,
+			     FRF_AZ_TX_FLUSH_DESCQ_CMD, 1,
+			     FRF_AZ_TX_FLUSH_DESCQ, tx_queue->queue);
+	efx_writeo(efx, &tx_flush_descq, FR_AZ_TX_FLUSH_DESCQ);
+}
+
+void efx_nic_fini_tx(struct efx_tx_queue *tx_queue)
+{
+	struct efx_nic *efx = tx_queue->efx;
+	efx_oword_t tx_desc_ptr;
+
+	/* The queue should have been flushed */
+	WARN_ON(tx_queue->flushed != FLUSH_DONE);
+
+	/* Remove TX descriptor ring from card */
+	EFX_ZERO_OWORD(tx_desc_ptr);
+	efx_writeo_table(efx, &tx_desc_ptr, efx->type->txd_ptr_tbl_base,
+			 tx_queue->queue);
+
+	/* Unpin TX descriptor ring */
+	efx_fini_special_buffer(efx, &tx_queue->txd);
+}
+
+/* Free buffers backing TX queue */
+void efx_nic_remove_tx(struct efx_tx_queue *tx_queue)
+{
+	efx_free_special_buffer(tx_queue->efx, &tx_queue->txd);
+}
+
+/**************************************************************************
+ *
+ * RX path
+ *
+ **************************************************************************/
+
+/* Returns a pointer to the specified descriptor in the RX descriptor queue */
+static inline efx_qword_t *
+efx_rx_desc(struct efx_rx_queue *rx_queue, unsigned int index)
+{
+	return (((efx_qword_t *) (rx_queue->rxd.addr)) + index);
+}
+
+/* This creates an entry in the RX descriptor queue */
+static inline void
+efx_build_rx_desc(struct efx_rx_queue *rx_queue, unsigned index)
+{
+	struct efx_rx_buffer *rx_buf;
+	efx_qword_t *rxd;
+
+	rxd = efx_rx_desc(rx_queue, index);
+	rx_buf = efx_rx_buffer(rx_queue, index);
+	EFX_POPULATE_QWORD_3(*rxd,
+			     FSF_AZ_RX_KER_BUF_SIZE,
+			     rx_buf->len -
+			     rx_queue->efx->type->rx_buffer_padding,
+			     FSF_AZ_RX_KER_BUF_REGION, 0,
+			     FSF_AZ_RX_KER_BUF_ADDR, rx_buf->dma_addr);
+}
+
+/* This writes to the RX_DESC_WPTR register for the specified receive
+ * descriptor ring.
+ */
+void efx_nic_notify_rx_desc(struct efx_rx_queue *rx_queue)
+{
+	efx_dword_t reg;
+	unsigned write_ptr;
+
+	while (rx_queue->notified_count != rx_queue->added_count) {
+		efx_build_rx_desc(rx_queue,
+				  rx_queue->notified_count &
+				  EFX_RXQ_MASK);
+		++rx_queue->notified_count;
+	}
+
+	wmb();
+	write_ptr = rx_queue->added_count & EFX_RXQ_MASK;
+	EFX_POPULATE_DWORD_1(reg, FRF_AZ_RX_DESC_WPTR_DWORD, write_ptr);
+	efx_writed_page(rx_queue->efx, &reg,
+			FR_AZ_RX_DESC_UPD_DWORD_P0, rx_queue->queue);
+}
+
+int efx_nic_probe_rx(struct efx_rx_queue *rx_queue)
+{
+	struct efx_nic *efx = rx_queue->efx;
+	BUILD_BUG_ON(EFX_RXQ_SIZE < 512 || EFX_RXQ_SIZE > 4096 ||
+		     EFX_RXQ_SIZE & EFX_RXQ_MASK);
+	return efx_alloc_special_buffer(efx, &rx_queue->rxd,
+					EFX_RXQ_SIZE * sizeof(efx_qword_t));
+}
+
+void efx_nic_init_rx(struct efx_rx_queue *rx_queue)
+{
+	efx_oword_t rx_desc_ptr;
+	struct efx_nic *efx = rx_queue->efx;
+	bool is_b0 = efx_nic_rev(efx) >= EFX_REV_FALCON_B0;
+	bool iscsi_digest_en = is_b0;
+
+	EFX_LOG(efx, "RX queue %d ring in special buffers %d-%d\n",
+		rx_queue->queue, rx_queue->rxd.index,
+		rx_queue->rxd.index + rx_queue->rxd.entries - 1);
+
+	rx_queue->flushed = FLUSH_NONE;
+
+	/* Pin RX descriptor ring */
+	efx_init_special_buffer(efx, &rx_queue->rxd);
+
+	/* Push RX descriptor ring to card */
+	EFX_POPULATE_OWORD_10(rx_desc_ptr,
+			      FRF_AZ_RX_ISCSI_DDIG_EN, iscsi_digest_en,
+			      FRF_AZ_RX_ISCSI_HDIG_EN, iscsi_digest_en,
+			      FRF_AZ_RX_DESCQ_BUF_BASE_ID, rx_queue->rxd.index,
+			      FRF_AZ_RX_DESCQ_EVQ_ID,
+			      rx_queue->channel->channel,
+			      FRF_AZ_RX_DESCQ_OWNER_ID, 0,
+			      FRF_AZ_RX_DESCQ_LABEL, rx_queue->queue,
+			      FRF_AZ_RX_DESCQ_SIZE,
+			      __ffs(rx_queue->rxd.entries),
+			      FRF_AZ_RX_DESCQ_TYPE, 0 /* kernel queue */ ,
+			      /* For >=B0 this is scatter so disable */
+			      FRF_AZ_RX_DESCQ_JUMBO, !is_b0,
+			      FRF_AZ_RX_DESCQ_EN, 1);
+	efx_writeo_table(efx, &rx_desc_ptr, efx->type->rxd_ptr_tbl_base,
+			 rx_queue->queue);
+}
+
+static void efx_flush_rx_queue(struct efx_rx_queue *rx_queue)
+{
+	struct efx_nic *efx = rx_queue->efx;
+	efx_oword_t rx_flush_descq;
+
+	rx_queue->flushed = FLUSH_PENDING;
+
+	/* Post a flush command */
+	EFX_POPULATE_OWORD_2(rx_flush_descq,
+			     FRF_AZ_RX_FLUSH_DESCQ_CMD, 1,
+			     FRF_AZ_RX_FLUSH_DESCQ, rx_queue->queue);
+	efx_writeo(efx, &rx_flush_descq, FR_AZ_RX_FLUSH_DESCQ);
+}
+
+void efx_nic_fini_rx(struct efx_rx_queue *rx_queue)
+{
+	efx_oword_t rx_desc_ptr;
+	struct efx_nic *efx = rx_queue->efx;
+
+	/* The queue should already have been flushed */
+	WARN_ON(rx_queue->flushed != FLUSH_DONE);
+
+	/* Remove RX descriptor ring from card */
+	EFX_ZERO_OWORD(rx_desc_ptr);
+	efx_writeo_table(efx, &rx_desc_ptr, efx->type->rxd_ptr_tbl_base,
+			 rx_queue->queue);
+
+	/* Unpin RX descriptor ring */
+	efx_fini_special_buffer(efx, &rx_queue->rxd);
+}
+
+/* Free buffers backing RX queue */
+void efx_nic_remove_rx(struct efx_rx_queue *rx_queue)
+{
+	efx_free_special_buffer(rx_queue->efx, &rx_queue->rxd);
+}
+
+/**************************************************************************
+ *
+ * Event queue processing
+ * Event queues are processed by per-channel tasklets.
+ *
+ **************************************************************************/
+
+/* Update a channel's event queue's read pointer (RPTR) register
+ *
+ * This writes the EVQ_RPTR_REG register for the specified channel's
+ * event queue.
+ *
+ * Note that EVQ_RPTR_REG contains the index of the "last read" event,
+ * whereas channel->eventq_read_ptr contains the index of the "next to
+ * read" event.
+ */
+void efx_nic_eventq_read_ack(struct efx_channel *channel)
+{
+	efx_dword_t reg;
+	struct efx_nic *efx = channel->efx;
+
+	EFX_POPULATE_DWORD_1(reg, FRF_AZ_EVQ_RPTR, channel->eventq_read_ptr);
+	efx_writed_table(efx, &reg, efx->type->evq_rptr_tbl_base,
+			 channel->channel);
+}
+
+/* Use HW to insert a SW defined event */
+void efx_generate_event(struct efx_channel *channel, efx_qword_t *event)
+{
+	efx_oword_t drv_ev_reg;
+
+	BUILD_BUG_ON(FRF_AZ_DRV_EV_DATA_LBN != 0 ||
+		     FRF_AZ_DRV_EV_DATA_WIDTH != 64);
+	drv_ev_reg.u32[0] = event->u32[0];
+	drv_ev_reg.u32[1] = event->u32[1];
+	drv_ev_reg.u32[2] = 0;
+	drv_ev_reg.u32[3] = 0;
+	EFX_SET_OWORD_FIELD(drv_ev_reg, FRF_AZ_DRV_EV_QID, channel->channel);
+	efx_writeo(channel->efx, &drv_ev_reg, FR_AZ_DRV_EV);
+}
+
+/* Handle a transmit completion event
+ *
+ * The NIC batches TX completion events; the message we receive is of
+ * the form "complete all TX events up to this index".
+ */
+static void
+efx_handle_tx_event(struct efx_channel *channel, efx_qword_t *event)
+{
+	unsigned int tx_ev_desc_ptr;
+	unsigned int tx_ev_q_label;
+	struct efx_tx_queue *tx_queue;
+	struct efx_nic *efx = channel->efx;
+
+	if (likely(EFX_QWORD_FIELD(*event, FSF_AZ_TX_EV_COMP))) {
+		/* Transmit completion */
+		tx_ev_desc_ptr = EFX_QWORD_FIELD(*event, FSF_AZ_TX_EV_DESC_PTR);
+		tx_ev_q_label = EFX_QWORD_FIELD(*event, FSF_AZ_TX_EV_Q_LABEL);
+		tx_queue = &efx->tx_queue[tx_ev_q_label];
+		channel->irq_mod_score +=
+			(tx_ev_desc_ptr - tx_queue->read_count) &
+			EFX_TXQ_MASK;
+		efx_xmit_done(tx_queue, tx_ev_desc_ptr);
+	} else if (EFX_QWORD_FIELD(*event, FSF_AZ_TX_EV_WQ_FF_FULL)) {
+		/* Rewrite the FIFO write pointer */
+		tx_ev_q_label = EFX_QWORD_FIELD(*event, FSF_AZ_TX_EV_Q_LABEL);
+		tx_queue = &efx->tx_queue[tx_ev_q_label];
+
+		if (efx_dev_registered(efx))
+			netif_tx_lock(efx->net_dev);
+		efx_notify_tx_desc(tx_queue);
+		if (efx_dev_registered(efx))
+			netif_tx_unlock(efx->net_dev);
+	} else if (EFX_QWORD_FIELD(*event, FSF_AZ_TX_EV_PKT_ERR) &&
+		   EFX_WORKAROUND_10727(efx)) {
+		efx_schedule_reset(efx, RESET_TYPE_TX_DESC_FETCH);
+	} else {
+		EFX_ERR(efx, "channel %d unexpected TX event "
+			EFX_QWORD_FMT"\n", channel->channel,
+			EFX_QWORD_VAL(*event));
+	}
+}
+
+/* Detect errors included in the rx_evt_pkt_ok bit. */
+static void efx_handle_rx_not_ok(struct efx_rx_queue *rx_queue,
+				 const efx_qword_t *event,
+				 bool *rx_ev_pkt_ok,
+				 bool *discard)
+{
+	struct efx_nic *efx = rx_queue->efx;
+	bool rx_ev_buf_owner_id_err, rx_ev_ip_hdr_chksum_err;
+	bool rx_ev_tcp_udp_chksum_err, rx_ev_eth_crc_err;
+	bool rx_ev_frm_trunc, rx_ev_drib_nib, rx_ev_tobe_disc;
+	bool rx_ev_other_err, rx_ev_pause_frm;
+	bool rx_ev_hdr_type, rx_ev_mcast_pkt;
+	unsigned rx_ev_pkt_type;
+
+	rx_ev_hdr_type = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_HDR_TYPE);
+	rx_ev_mcast_pkt = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_MCAST_PKT);
+	rx_ev_tobe_disc = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_TOBE_DISC);
+	rx_ev_pkt_type = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_PKT_TYPE);
+	rx_ev_buf_owner_id_err = EFX_QWORD_FIELD(*event,
+						 FSF_AZ_RX_EV_BUF_OWNER_ID_ERR);
+	rx_ev_ip_hdr_chksum_err = EFX_QWORD_FIELD(*event,
+						  FSF_AZ_RX_EV_IP_HDR_CHKSUM_ERR);
+	rx_ev_tcp_udp_chksum_err = EFX_QWORD_FIELD(*event,
+						   FSF_AZ_RX_EV_TCP_UDP_CHKSUM_ERR);
+	rx_ev_eth_crc_err = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_ETH_CRC_ERR);
+	rx_ev_frm_trunc = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_FRM_TRUNC);
+	rx_ev_drib_nib = ((efx_nic_rev(efx) >= EFX_REV_FALCON_B0) ?
+			  0 : EFX_QWORD_FIELD(*event, FSF_AA_RX_EV_DRIB_NIB));
+	rx_ev_pause_frm = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_PAUSE_FRM_ERR);
+
+	/* Every error apart from tobe_disc and pause_frm */
+	rx_ev_other_err = (rx_ev_drib_nib | rx_ev_tcp_udp_chksum_err |
+			   rx_ev_buf_owner_id_err | rx_ev_eth_crc_err |
+			   rx_ev_frm_trunc | rx_ev_ip_hdr_chksum_err);
+
+	/* Count errors that are not in MAC stats.  Ignore expected
+	 * checksum errors during self-test. */
+	if (rx_ev_frm_trunc)
+		++rx_queue->channel->n_rx_frm_trunc;
+	else if (rx_ev_tobe_disc)
+		++rx_queue->channel->n_rx_tobe_disc;
+	else if (!efx->loopback_selftest) {
+		if (rx_ev_ip_hdr_chksum_err)
+			++rx_queue->channel->n_rx_ip_hdr_chksum_err;
+		else if (rx_ev_tcp_udp_chksum_err)
+			++rx_queue->channel->n_rx_tcp_udp_chksum_err;
+	}
+
+	/* The frame must be discarded if any of these are true. */
+	*discard = (rx_ev_eth_crc_err | rx_ev_frm_trunc | rx_ev_drib_nib |
+		    rx_ev_tobe_disc | rx_ev_pause_frm);
+
+	/* TOBE_DISC is expected on unicast mismatches; don't print out an
+	 * error message.  FRM_TRUNC indicates RXDP dropped the packet due
+	 * to a FIFO overflow.
+	 */
+#ifdef EFX_ENABLE_DEBUG
+	if (rx_ev_other_err) {
+		EFX_INFO_RL(efx, " RX queue %d unexpected RX event "
+			    EFX_QWORD_FMT "%s%s%s%s%s%s%s%s\n",
+			    rx_queue->queue, EFX_QWORD_VAL(*event),
+			    rx_ev_buf_owner_id_err ? " [OWNER_ID_ERR]" : "",
+			    rx_ev_ip_hdr_chksum_err ?
+			    " [IP_HDR_CHKSUM_ERR]" : "",
+			    rx_ev_tcp_udp_chksum_err ?
+			    " [TCP_UDP_CHKSUM_ERR]" : "",
+			    rx_ev_eth_crc_err ? " [ETH_CRC_ERR]" : "",
+			    rx_ev_frm_trunc ? " [FRM_TRUNC]" : "",
+			    rx_ev_drib_nib ? " [DRIB_NIB]" : "",
+			    rx_ev_tobe_disc ? " [TOBE_DISC]" : "",
+			    rx_ev_pause_frm ? " [PAUSE]" : "");
+	}
+#endif
+}
+
+/* Handle receive events that are not in-order. */
+static void
+efx_handle_rx_bad_index(struct efx_rx_queue *rx_queue, unsigned index)
+{
+	struct efx_nic *efx = rx_queue->efx;
+	unsigned expected, dropped;
+
+	expected = rx_queue->removed_count & EFX_RXQ_MASK;
+	dropped = (index - expected) & EFX_RXQ_MASK;
+	EFX_INFO(efx, "dropped %d events (index=%d expected=%d)\n",
+		dropped, index, expected);
+
+	efx_schedule_reset(efx, EFX_WORKAROUND_5676(efx) ?
+			   RESET_TYPE_RX_RECOVERY : RESET_TYPE_DISABLE);
+}
+
+/* Handle a packet received event
+ *
+ * The NIC gives a "discard" flag if it's a unicast packet with the
+ * wrong destination address
+ * Also "is multicast" and "matches multicast filter" flags can be used to
+ * discard non-matching multicast packets.
+ */
+static void
+efx_handle_rx_event(struct efx_channel *channel, const efx_qword_t *event)
+{
+	unsigned int rx_ev_desc_ptr, rx_ev_byte_cnt;
+	unsigned int rx_ev_hdr_type, rx_ev_mcast_pkt;
+	unsigned expected_ptr;
+	bool rx_ev_pkt_ok, discard = false, checksummed;
+	struct efx_rx_queue *rx_queue;
+	struct efx_nic *efx = channel->efx;
+
+	/* Basic packet information */
+	rx_ev_byte_cnt = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_BYTE_CNT);
+	rx_ev_pkt_ok = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_PKT_OK);
+	rx_ev_hdr_type = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_HDR_TYPE);
+	WARN_ON(EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_JUMBO_CONT));
+	WARN_ON(EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_SOP) != 1);
+	WARN_ON(EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_Q_LABEL) !=
+		channel->channel);
+
+	rx_queue = &efx->rx_queue[channel->channel];
+
+	rx_ev_desc_ptr = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_DESC_PTR);
+	expected_ptr = rx_queue->removed_count & EFX_RXQ_MASK;
+	if (unlikely(rx_ev_desc_ptr != expected_ptr))
+		efx_handle_rx_bad_index(rx_queue, rx_ev_desc_ptr);
+
+	if (likely(rx_ev_pkt_ok)) {
+		/* If packet is marked as OK and packet type is TCP/IP or
+		 * UDP/IP, then we can rely on the hardware checksum.
+		 */
+		checksummed =
+			likely(efx->rx_checksum_enabled) &&
+			(rx_ev_hdr_type == FSE_CZ_RX_EV_HDR_TYPE_IPV4V6_TCP ||
+			 rx_ev_hdr_type == FSE_CZ_RX_EV_HDR_TYPE_IPV4V6_UDP);
+	} else {
+		efx_handle_rx_not_ok(rx_queue, event, &rx_ev_pkt_ok, &discard);
+		checksummed = false;
+	}
+
+	/* Detect multicast packets that didn't match the filter */
+	rx_ev_mcast_pkt = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_MCAST_PKT);
+	if (rx_ev_mcast_pkt) {
+		unsigned int rx_ev_mcast_hash_match =
+			EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_MCAST_HASH_MATCH);
+
+		if (unlikely(!rx_ev_mcast_hash_match)) {
+			++channel->n_rx_mcast_mismatch;
+			discard = true;
+		}
+	}
+
+	channel->irq_mod_score += 2;
+
+	/* Handle received packet */
+	efx_rx_packet(rx_queue, rx_ev_desc_ptr, rx_ev_byte_cnt,
+		      checksummed, discard);
+}
+
+/* Global events are basically PHY events */
+static void
+efx_handle_global_event(struct efx_channel *channel, efx_qword_t *event)
+{
+	struct efx_nic *efx = channel->efx;
+	bool handled = false;
+
+	if (EFX_QWORD_FIELD(*event, FSF_AB_GLB_EV_G_PHY0_INTR) ||
+	    EFX_QWORD_FIELD(*event, FSF_AB_GLB_EV_XG_PHY0_INTR) ||
+	    EFX_QWORD_FIELD(*event, FSF_AB_GLB_EV_XFP_PHY0_INTR)) {
+		/* Ignored */
+		handled = true;
+	}
+
+	if ((efx_nic_rev(efx) >= EFX_REV_FALCON_B0) &&
+	    EFX_QWORD_FIELD(*event, FSF_BB_GLB_EV_XG_MGT_INTR)) {
+		efx->xmac_poll_required = true;
+		handled = true;
+	}
+
+	if (efx_nic_rev(efx) <= EFX_REV_FALCON_A1 ?
+	    EFX_QWORD_FIELD(*event, FSF_AA_GLB_EV_RX_RECOVERY) :
+	    EFX_QWORD_FIELD(*event, FSF_BB_GLB_EV_RX_RECOVERY)) {
+		EFX_ERR(efx, "channel %d seen global RX_RESET "
+			"event. Resetting.\n", channel->channel);
+
+		atomic_inc(&efx->rx_reset);
+		efx_schedule_reset(efx, EFX_WORKAROUND_6555(efx) ?
+				   RESET_TYPE_RX_RECOVERY : RESET_TYPE_DISABLE);
+		handled = true;
+	}
+
+	if (!handled)
+		EFX_ERR(efx, "channel %d unknown global event "
+			EFX_QWORD_FMT "\n", channel->channel,
+			EFX_QWORD_VAL(*event));
+}
+
+static void
+efx_handle_driver_event(struct efx_channel *channel, efx_qword_t *event)
+{
+	struct efx_nic *efx = channel->efx;
+	unsigned int ev_sub_code;
+	unsigned int ev_sub_data;
+
+	ev_sub_code = EFX_QWORD_FIELD(*event, FSF_AZ_DRIVER_EV_SUBCODE);
+	ev_sub_data = EFX_QWORD_FIELD(*event, FSF_AZ_DRIVER_EV_SUBDATA);
+
+	switch (ev_sub_code) {
+	case FSE_AZ_TX_DESCQ_FLS_DONE_EV:
+		EFX_TRACE(efx, "channel %d TXQ %d flushed\n",
+			  channel->channel, ev_sub_data);
+		break;
+	case FSE_AZ_RX_DESCQ_FLS_DONE_EV:
+		EFX_TRACE(efx, "channel %d RXQ %d flushed\n",
+			  channel->channel, ev_sub_data);
+		break;
+	case FSE_AZ_EVQ_INIT_DONE_EV:
+		EFX_LOG(efx, "channel %d EVQ %d initialised\n",
+			channel->channel, ev_sub_data);
+		break;
+	case FSE_AZ_SRM_UPD_DONE_EV:
+		EFX_TRACE(efx, "channel %d SRAM update done\n",
+			  channel->channel);
+		break;
+	case FSE_AZ_WAKE_UP_EV:
+		EFX_TRACE(efx, "channel %d RXQ %d wakeup event\n",
+			  channel->channel, ev_sub_data);
+		break;
+	case FSE_AZ_TIMER_EV:
+		EFX_TRACE(efx, "channel %d RX queue %d timer expired\n",
+			  channel->channel, ev_sub_data);
+		break;
+	case FSE_AA_RX_RECOVER_EV:
+		EFX_ERR(efx, "channel %d seen DRIVER RX_RESET event. "
+			"Resetting.\n", channel->channel);
+		atomic_inc(&efx->rx_reset);
+		efx_schedule_reset(efx,
+				   EFX_WORKAROUND_6555(efx) ?
+				   RESET_TYPE_RX_RECOVERY :
+				   RESET_TYPE_DISABLE);
+		break;
+	case FSE_BZ_RX_DSC_ERROR_EV:
+		EFX_ERR(efx, "RX DMA Q %d reports descriptor fetch error."
+			" RX Q %d is disabled.\n", ev_sub_data, ev_sub_data);
+		efx_schedule_reset(efx, RESET_TYPE_RX_DESC_FETCH);
+		break;
+	case FSE_BZ_TX_DSC_ERROR_EV:
+		EFX_ERR(efx, "TX DMA Q %d reports descriptor fetch error."
+			" TX Q %d is disabled.\n", ev_sub_data, ev_sub_data);
+		efx_schedule_reset(efx, RESET_TYPE_TX_DESC_FETCH);
+		break;
+	default:
+		EFX_TRACE(efx, "channel %d unknown driver event code %d "
+			  "data %04x\n", channel->channel, ev_sub_code,
+			  ev_sub_data);
+		break;
+	}
+}
+
+int efx_nic_process_eventq(struct efx_channel *channel, int rx_quota)
+{
+	unsigned int read_ptr;
+	efx_qword_t event, *p_event;
+	int ev_code;
+	int rx_packets = 0;
+
+	read_ptr = channel->eventq_read_ptr;
+
+	do {
+		p_event = efx_event(channel, read_ptr);
+		event = *p_event;
+
+		if (!efx_event_present(&event))
+			/* End of events */
+			break;
+
+		EFX_TRACE(channel->efx, "channel %d event is "EFX_QWORD_FMT"\n",
+			  channel->channel, EFX_QWORD_VAL(event));
+
+		/* Clear this event by marking it all ones */
+		EFX_SET_QWORD(*p_event);
+
+		ev_code = EFX_QWORD_FIELD(event, FSF_AZ_EV_CODE);
+
+		switch (ev_code) {
+		case FSE_AZ_EV_CODE_RX_EV:
+			efx_handle_rx_event(channel, &event);
+			++rx_packets;
+			break;
+		case FSE_AZ_EV_CODE_TX_EV:
+			efx_handle_tx_event(channel, &event);
+			break;
+		case FSE_AZ_EV_CODE_DRV_GEN_EV:
+			channel->eventq_magic = EFX_QWORD_FIELD(
+				event, FSF_AZ_DRV_GEN_EV_MAGIC);
+			EFX_LOG(channel->efx, "channel %d received generated "
+				"event "EFX_QWORD_FMT"\n", channel->channel,
+				EFX_QWORD_VAL(event));
+			break;
+		case FSE_AZ_EV_CODE_GLOBAL_EV:
+			efx_handle_global_event(channel, &event);
+			break;
+		case FSE_AZ_EV_CODE_DRIVER_EV:
+			efx_handle_driver_event(channel, &event);
+			break;
+		default:
+			EFX_ERR(channel->efx, "channel %d unknown event type %d"
+				" (data " EFX_QWORD_FMT ")\n", channel->channel,
+				ev_code, EFX_QWORD_VAL(event));
+		}
+
+		/* Increment read pointer */
+		read_ptr = (read_ptr + 1) & EFX_EVQ_MASK;
+
+	} while (rx_packets < rx_quota);
+
+	channel->eventq_read_ptr = read_ptr;
+	return rx_packets;
+}
+
+
+/* Allocate buffer table entries for event queue */
+int efx_nic_probe_eventq(struct efx_channel *channel)
+{
+	struct efx_nic *efx = channel->efx;
+	BUILD_BUG_ON(EFX_EVQ_SIZE < 512 || EFX_EVQ_SIZE > 32768 ||
+		     EFX_EVQ_SIZE & EFX_EVQ_MASK);
+	return efx_alloc_special_buffer(efx, &channel->eventq,
+					EFX_EVQ_SIZE * sizeof(efx_qword_t));
+}
+
+void efx_nic_init_eventq(struct efx_channel *channel)
+{
+	efx_oword_t evq_ptr;
+	struct efx_nic *efx = channel->efx;
+
+	EFX_LOG(efx, "channel %d event queue in special buffers %d-%d\n",
+		channel->channel, channel->eventq.index,
+		channel->eventq.index + channel->eventq.entries - 1);
+
+	/* Pin event queue buffer */
+	efx_init_special_buffer(efx, &channel->eventq);
+
+	/* Fill event queue with all ones (i.e. empty events) */
+	memset(channel->eventq.addr, 0xff, channel->eventq.len);
+
+	/* Push event queue to card */
+	EFX_POPULATE_OWORD_3(evq_ptr,
+			     FRF_AZ_EVQ_EN, 1,
+			     FRF_AZ_EVQ_SIZE, __ffs(channel->eventq.entries),
+			     FRF_AZ_EVQ_BUF_BASE_ID, channel->eventq.index);
+	efx_writeo_table(efx, &evq_ptr, efx->type->evq_ptr_tbl_base,
+			 channel->channel);
+
+	efx->type->push_irq_moderation(channel);
+}
+
+void efx_nic_fini_eventq(struct efx_channel *channel)
+{
+	efx_oword_t eventq_ptr;
+	struct efx_nic *efx = channel->efx;
+
+	/* Remove event queue from card */
+	EFX_ZERO_OWORD(eventq_ptr);
+	efx_writeo_table(efx, &eventq_ptr, efx->type->evq_ptr_tbl_base,
+			 channel->channel);
+
+	/* Unpin event queue */
+	efx_fini_special_buffer(efx, &channel->eventq);
+}
+
+/* Free buffers backing event queue */
+void efx_nic_remove_eventq(struct efx_channel *channel)
+{
+	efx_free_special_buffer(channel->efx, &channel->eventq);
+}
+
+
+/* Generates a test event on the event queue.  A subsequent call to
+ * process_eventq() should pick up the event and place the value of
+ * "magic" into channel->eventq_magic;
+ */
+void efx_nic_generate_test_event(struct efx_channel *channel, unsigned int magic)
+{
+	efx_qword_t test_event;
+
+	EFX_POPULATE_QWORD_2(test_event, FSF_AZ_EV_CODE,
+			     FSE_AZ_EV_CODE_DRV_GEN_EV,
+			     FSF_AZ_DRV_GEN_EV_MAGIC, magic);
+	efx_generate_event(channel, &test_event);
+}
+
+/**************************************************************************
+ *
+ * Flush handling
+ *
+ **************************************************************************/
+
+
+static void efx_poll_flush_events(struct efx_nic *efx)
+{
+	struct efx_channel *channel = &efx->channel[0];
+	struct efx_tx_queue *tx_queue;
+	struct efx_rx_queue *rx_queue;
+	unsigned int read_ptr = channel->eventq_read_ptr;
+	unsigned int end_ptr = (read_ptr - 1) & EFX_EVQ_MASK;
+
+	do {
+		efx_qword_t *event = efx_event(channel, read_ptr);
+		int ev_code, ev_sub_code, ev_queue;
+		bool ev_failed;
+
+		if (!efx_event_present(event))
+			break;
+
+		ev_code = EFX_QWORD_FIELD(*event, FSF_AZ_EV_CODE);
+		ev_sub_code = EFX_QWORD_FIELD(*event,
+					      FSF_AZ_DRIVER_EV_SUBCODE);
+		if (ev_code == FSE_AZ_EV_CODE_DRIVER_EV &&
+		    ev_sub_code == FSE_AZ_TX_DESCQ_FLS_DONE_EV) {
+			ev_queue = EFX_QWORD_FIELD(*event,
+						   FSF_AZ_DRIVER_EV_SUBDATA);
+			if (ev_queue < EFX_TX_QUEUE_COUNT) {
+				tx_queue = efx->tx_queue + ev_queue;
+				tx_queue->flushed = FLUSH_DONE;
+			}
+		} else if (ev_code == FSE_AZ_EV_CODE_DRIVER_EV &&
+			   ev_sub_code == FSE_AZ_RX_DESCQ_FLS_DONE_EV) {
+			ev_queue = EFX_QWORD_FIELD(
+				*event, FSF_AZ_DRIVER_EV_RX_DESCQ_ID);
+			ev_failed = EFX_QWORD_FIELD(
+				*event, FSF_AZ_DRIVER_EV_RX_FLUSH_FAIL);
+			if (ev_queue < efx->n_rx_queues) {
+				rx_queue = efx->rx_queue + ev_queue;
+				rx_queue->flushed =
+					ev_failed ? FLUSH_FAILED : FLUSH_DONE;
+			}
+		}
+
+		/* We're about to destroy the queue anyway, so
+		 * it's ok to throw away every non-flush event */
+		EFX_SET_QWORD(*event);
+
+		read_ptr = (read_ptr + 1) & EFX_EVQ_MASK;
+	} while (read_ptr != end_ptr);
+
+	channel->eventq_read_ptr = read_ptr;
+}
+
+/* Handle tx and rx flushes at the same time, since they run in
+ * parallel in the hardware and there's no reason for us to
+ * serialise them */
+int efx_nic_flush_queues(struct efx_nic *efx)
+{
+	struct efx_rx_queue *rx_queue;
+	struct efx_tx_queue *tx_queue;
+	int i, tx_pending, rx_pending;
+
+	/* If necessary prepare the hardware for flushing */
+	efx->type->prepare_flush(efx);
+
+	/* Flush all tx queues in parallel */
+	efx_for_each_tx_queue(tx_queue, efx)
+		efx_flush_tx_queue(tx_queue);
+
+	/* The hardware supports four concurrent rx flushes, each of which may
+	 * need to be retried if there is an outstanding descriptor fetch */
+	for (i = 0; i < EFX_FLUSH_POLL_COUNT; ++i) {
+		rx_pending = tx_pending = 0;
+		efx_for_each_rx_queue(rx_queue, efx) {
+			if (rx_queue->flushed == FLUSH_PENDING)
+				++rx_pending;
+		}
+		efx_for_each_rx_queue(rx_queue, efx) {
+			if (rx_pending == EFX_RX_FLUSH_COUNT)
+				break;
+			if (rx_queue->flushed == FLUSH_FAILED ||
+			    rx_queue->flushed == FLUSH_NONE) {
+				efx_flush_rx_queue(rx_queue);
+				++rx_pending;
+			}
+		}
+		efx_for_each_tx_queue(tx_queue, efx) {
+			if (tx_queue->flushed != FLUSH_DONE)
+				++tx_pending;
+		}
+
+		if (rx_pending == 0 && tx_pending == 0)
+			return 0;
+
+		msleep(EFX_FLUSH_INTERVAL);
+		efx_poll_flush_events(efx);
+	}
+
+	/* Mark the queues as all flushed. We're going to return failure
+	 * leading to a reset, or fake up success anyway */
+	efx_for_each_tx_queue(tx_queue, efx) {
+		if (tx_queue->flushed != FLUSH_DONE)
+			EFX_ERR(efx, "tx queue %d flush command timed out\n",
+				tx_queue->queue);
+		tx_queue->flushed = FLUSH_DONE;
+	}
+	efx_for_each_rx_queue(rx_queue, efx) {
+		if (rx_queue->flushed != FLUSH_DONE)
+			EFX_ERR(efx, "rx queue %d flush command timed out\n",
+				rx_queue->queue);
+		rx_queue->flushed = FLUSH_DONE;
+	}
+
+	if (EFX_WORKAROUND_7803(efx))
+		return 0;
+
+	return -ETIMEDOUT;
+}
+
+/**************************************************************************
+ *
+ * Hardware interrupts
+ * The hardware interrupt handler does very little work; all the event
+ * queue processing is carried out by per-channel tasklets.
+ *
+ **************************************************************************/
+
+/* Enable/disable/generate interrupts */
+static inline void efx_nic_interrupts(struct efx_nic *efx,
+				      bool enabled, bool force)
+{
+	efx_oword_t int_en_reg_ker;
+
+	EFX_POPULATE_OWORD_2(int_en_reg_ker,
+			     FRF_AZ_KER_INT_KER, force,
+			     FRF_AZ_DRV_INT_EN_KER, enabled);
+	efx_writeo(efx, &int_en_reg_ker, FR_AZ_INT_EN_KER);
+}
+
+void efx_nic_enable_interrupts(struct efx_nic *efx)
+{
+	struct efx_channel *channel;
+
+	EFX_ZERO_OWORD(*((efx_oword_t *) efx->irq_status.addr));
+	wmb(); /* Ensure interrupt vector is clear before interrupts enabled */
+
+	/* Enable interrupts */
+	efx_nic_interrupts(efx, true, false);
+
+	/* Force processing of all the channels to get the EVQ RPTRs up to
+	   date */
+	efx_for_each_channel(channel, efx)
+		efx_schedule_channel(channel);
+}
+
+void efx_nic_disable_interrupts(struct efx_nic *efx)
+{
+	/* Disable interrupts */
+	efx_nic_interrupts(efx, false, false);
+}
+
+/* Generate a test interrupt
+ * Interrupt must already have been enabled, otherwise nasty things
+ * may happen.
+ */
+void efx_nic_generate_interrupt(struct efx_nic *efx)
+{
+	efx_nic_interrupts(efx, true, true);
+}
+
+/* Process a fatal interrupt
+ * Disable bus mastering ASAP and schedule a reset
+ */
+irqreturn_t efx_nic_fatal_interrupt(struct efx_nic *efx)
+{
+	struct falcon_nic_data *nic_data = efx->nic_data;
+	efx_oword_t *int_ker = efx->irq_status.addr;
+	efx_oword_t fatal_intr;
+	int error, mem_perr;
+
+	efx_reado(efx, &fatal_intr, FR_AZ_FATAL_INTR_KER);
+	error = EFX_OWORD_FIELD(fatal_intr, FRF_AZ_FATAL_INTR);
+
+	EFX_ERR(efx, "SYSTEM ERROR " EFX_OWORD_FMT " status "
+		EFX_OWORD_FMT ": %s\n", EFX_OWORD_VAL(*int_ker),
+		EFX_OWORD_VAL(fatal_intr),
+		error ? "disabling bus mastering" : "no recognised error");
+	if (error == 0)
+		goto out;
+
+	/* If this is a memory parity error dump which blocks are offending */
+	mem_perr = EFX_OWORD_FIELD(fatal_intr, FRF_AZ_MEM_PERR_INT_KER);
+	if (mem_perr) {
+		efx_oword_t reg;
+		efx_reado(efx, &reg, FR_AZ_MEM_STAT);
+		EFX_ERR(efx, "SYSTEM ERROR: memory parity error "
+			EFX_OWORD_FMT "\n", EFX_OWORD_VAL(reg));
+	}
+
+	/* Disable both devices */
+	pci_clear_master(efx->pci_dev);
+	if (efx_nic_is_dual_func(efx))
+		pci_clear_master(nic_data->pci_dev2);
+	efx_nic_disable_interrupts(efx);
+
+	/* Count errors and reset or disable the NIC accordingly */
+	if (efx->int_error_count == 0 ||
+	    time_after(jiffies, efx->int_error_expire)) {
+		efx->int_error_count = 0;
+		efx->int_error_expire =
+			jiffies + EFX_INT_ERROR_EXPIRE * HZ;
+	}
+	if (++efx->int_error_count < EFX_MAX_INT_ERRORS) {
+		EFX_ERR(efx, "SYSTEM ERROR - reset scheduled\n");
+		efx_schedule_reset(efx, RESET_TYPE_INT_ERROR);
+	} else {
+		EFX_ERR(efx, "SYSTEM ERROR - max number of errors seen."
+			"NIC will be disabled\n");
+		efx_schedule_reset(efx, RESET_TYPE_DISABLE);
+	}
+out:
+	return IRQ_HANDLED;
+}
+
+/* Handle a legacy interrupt
+ * Acknowledges the interrupt and schedule event queue processing.
+ */
+static irqreturn_t efx_legacy_interrupt(int irq, void *dev_id)
+{
+	struct efx_nic *efx = dev_id;
+	efx_oword_t *int_ker = efx->irq_status.addr;
+	irqreturn_t result = IRQ_NONE;
+	struct efx_channel *channel;
+	efx_dword_t reg;
+	u32 queues;
+	int syserr;
+
+	/* Read the ISR which also ACKs the interrupts */
+	efx_readd(efx, &reg, FR_BZ_INT_ISR0);
+	queues = EFX_EXTRACT_DWORD(reg, 0, 31);
+
+	/* Check to see if we have a serious error condition */
+	syserr = EFX_OWORD_FIELD(*int_ker, FSF_AZ_NET_IVEC_FATAL_INT);
+	if (unlikely(syserr))
+		return efx_nic_fatal_interrupt(efx);
+
+	/* Schedule processing of any interrupting queues */
+	efx_for_each_channel(channel, efx) {
+		if ((queues & 1) ||
+		    efx_event_present(
+			    efx_event(channel, channel->eventq_read_ptr))) {
+				efx_schedule_channel(channel);
+			result = IRQ_HANDLED;
+		}
+		queues >>= 1;
+	}
+
+	if (result == IRQ_HANDLED) {
+		efx->last_irq_cpu = raw_smp_processor_id();
+		EFX_TRACE(efx, "IRQ %d on CPU %d status " EFX_DWORD_FMT "\n",
+			  irq, raw_smp_processor_id(), EFX_DWORD_VAL(reg));
+	}
+
+	return result;
+}
+
+/* Handle an MSI interrupt
+ *
+ * Handle an MSI hardware interrupt.  This routine schedules event
+ * queue processing.  No interrupt acknowledgement cycle is necessary.
+ * Also, we never need to check that the interrupt is for us, since
+ * MSI interrupts cannot be shared.
+ */
+static irqreturn_t efx_msi_interrupt(int irq, void *dev_id)
+{
+	struct efx_channel *channel = dev_id;
+	struct efx_nic *efx = channel->efx;
+	efx_oword_t *int_ker = efx->irq_status.addr;
+	int syserr;
+
+	efx->last_irq_cpu = raw_smp_processor_id();
+	EFX_TRACE(efx, "IRQ %d on CPU %d status " EFX_OWORD_FMT "\n",
+		  irq, raw_smp_processor_id(), EFX_OWORD_VAL(*int_ker));
+
+	/* Check to see if we have a serious error condition */
+	syserr = EFX_OWORD_FIELD(*int_ker, FSF_AZ_NET_IVEC_FATAL_INT);
+	if (unlikely(syserr))
+		return efx_nic_fatal_interrupt(efx);
+
+	/* Schedule processing of the channel */
+	efx_schedule_channel(channel);
+
+	return IRQ_HANDLED;
+}
+
+
+/* Setup RSS indirection table.
+ * This maps from the hash value of the packet to RXQ
+ */
+static void efx_setup_rss_indir_table(struct efx_nic *efx)
+{
+	int i = 0;
+	unsigned long offset;
+	efx_dword_t dword;
+
+	if (efx_nic_rev(efx) < EFX_REV_FALCON_B0)
+		return;
+
+	for (offset = FR_BZ_RX_INDIRECTION_TBL;
+	     offset < FR_BZ_RX_INDIRECTION_TBL + 0x800;
+	     offset += 0x10) {
+		EFX_POPULATE_DWORD_1(dword, FRF_BZ_IT_QUEUE,
+				     i % efx->n_rx_queues);
+		efx_writed(efx, &dword, offset);
+		i++;
+	}
+}
+
+/* Hook interrupt handler(s)
+ * Try MSI and then legacy interrupts.
+ */
+int efx_nic_init_interrupt(struct efx_nic *efx)
+{
+	struct efx_channel *channel;
+	int rc;
+
+	if (!EFX_INT_MODE_USE_MSI(efx)) {
+		irq_handler_t handler;
+		if (efx_nic_rev(efx) >= EFX_REV_FALCON_B0)
+			handler = efx_legacy_interrupt;
+		else
+			handler = falcon_legacy_interrupt_a1;
+
+		rc = request_irq(efx->legacy_irq, handler, IRQF_SHARED,
+				 efx->name, efx);
+		if (rc) {
+			EFX_ERR(efx, "failed to hook legacy IRQ %d\n",
+				efx->pci_dev->irq);
+			goto fail1;
+		}
+		return 0;
+	}
+
+	/* Hook MSI or MSI-X interrupt */
+	efx_for_each_channel(channel, efx) {
+		rc = request_irq(channel->irq, efx_msi_interrupt,
+				 IRQF_PROBE_SHARED, /* Not shared */
+				 channel->name, channel);
+		if (rc) {
+			EFX_ERR(efx, "failed to hook IRQ %d\n", channel->irq);
+			goto fail2;
+		}
+	}
+
+	return 0;
+
+ fail2:
+	efx_for_each_channel(channel, efx)
+		free_irq(channel->irq, channel);
+ fail1:
+	return rc;
+}
+
+void efx_nic_fini_interrupt(struct efx_nic *efx)
+{
+	struct efx_channel *channel;
+	efx_oword_t reg;
+
+	/* Disable MSI/MSI-X interrupts */
+	efx_for_each_channel(channel, efx) {
+		if (channel->irq)
+			free_irq(channel->irq, channel);
+	}
+
+	/* ACK legacy interrupt */
+	if (efx_nic_rev(efx) >= EFX_REV_FALCON_B0)
+		efx_reado(efx, &reg, FR_BZ_INT_ISR0);
+	else
+		falcon_irq_ack_a1(efx);
+
+	/* Disable legacy interrupt */
+	if (efx->legacy_irq)
+		free_irq(efx->legacy_irq, efx);
+}
+
+u32 efx_nic_fpga_ver(struct efx_nic *efx)
+{
+	efx_oword_t altera_build;
+	efx_reado(efx, &altera_build, FR_AZ_ALTERA_BUILD);
+	return EFX_OWORD_FIELD(altera_build, FRF_AZ_ALTERA_BUILD_VER);
+}
+
+void efx_nic_init_common(struct efx_nic *efx)
+{
+	efx_oword_t temp;
+
+	/* Set positions of descriptor caches in SRAM. */
+	EFX_POPULATE_OWORD_1(temp, FRF_AZ_SRM_TX_DC_BASE_ADR,
+			     efx->type->tx_dc_base / 8);
+	efx_writeo(efx, &temp, FR_AZ_SRM_TX_DC_CFG);
+	EFX_POPULATE_OWORD_1(temp, FRF_AZ_SRM_RX_DC_BASE_ADR,
+			     efx->type->rx_dc_base / 8);
+	efx_writeo(efx, &temp, FR_AZ_SRM_RX_DC_CFG);
+
+	/* Set TX descriptor cache size. */
+	BUILD_BUG_ON(TX_DC_ENTRIES != (8 << TX_DC_ENTRIES_ORDER));
+	EFX_POPULATE_OWORD_1(temp, FRF_AZ_TX_DC_SIZE, TX_DC_ENTRIES_ORDER);
+	efx_writeo(efx, &temp, FR_AZ_TX_DC_CFG);
+
+	/* Set RX descriptor cache size.  Set low watermark to size-8, as
+	 * this allows most efficient prefetching.
+	 */
+	BUILD_BUG_ON(RX_DC_ENTRIES != (8 << RX_DC_ENTRIES_ORDER));
+	EFX_POPULATE_OWORD_1(temp, FRF_AZ_RX_DC_SIZE, RX_DC_ENTRIES_ORDER);
+	efx_writeo(efx, &temp, FR_AZ_RX_DC_CFG);
+	EFX_POPULATE_OWORD_1(temp, FRF_AZ_RX_DC_PF_LWM, RX_DC_ENTRIES - 8);
+	efx_writeo(efx, &temp, FR_AZ_RX_DC_PF_WM);
+
+	/* Program INT_KER address */
+	EFX_POPULATE_OWORD_2(temp,
+			     FRF_AZ_NORM_INT_VEC_DIS_KER,
+			     EFX_INT_MODE_USE_MSI(efx),
+			     FRF_AZ_INT_ADR_KER, efx->irq_status.dma_addr);
+	efx_writeo(efx, &temp, FR_AZ_INT_ADR_KER);
+
+	/* Enable all the genuinely fatal interrupts.  (They are still
+	 * masked by the overall interrupt mask, controlled by
+	 * falcon_interrupts()).
+	 *
+	 * Note: All other fatal interrupts are enabled
+	 */
+	EFX_POPULATE_OWORD_3(temp,
+			     FRF_AZ_ILL_ADR_INT_KER_EN, 1,
+			     FRF_AZ_RBUF_OWN_INT_KER_EN, 1,
+			     FRF_AZ_TBUF_OWN_INT_KER_EN, 1);
+	EFX_INVERT_OWORD(temp);
+	efx_writeo(efx, &temp, FR_AZ_FATAL_INTR_KER);
+
+	efx_setup_rss_indir_table(efx);
+
+	/* Disable the ugly timer-based TX DMA backoff and allow TX DMA to be
+	 * controlled by the RX FIFO fill level. Set arbitration to one pkt/Q.
+	 */
+	efx_reado(efx, &temp, FR_AZ_TX_RESERVED);
+	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_RX_SPACER, 0xfe);
+	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_RX_SPACER_EN, 1);
+	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_ONE_PKT_PER_Q, 1);
+	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_PUSH_EN, 0);
+	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_DIS_NON_IP_EV, 1);
+	/* Enable SW_EV to inherit in char driver - assume harmless here */
+	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_SOFT_EVT_EN, 1);
+	/* Prefetch threshold 2 => fetch when descriptor cache half empty */
+	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_PREF_THRESHOLD, 2);
+	/* Squash TX of packets of 16 bytes or less */
+	if (efx_nic_rev(efx) >= EFX_REV_FALCON_B0)
+		EFX_SET_OWORD_FIELD(temp, FRF_BZ_TX_FLUSH_MIN_LEN_EN, 1);
+	efx_writeo(efx, &temp, FR_AZ_TX_RESERVED);
+}
-- 
GitLab


From f0d37f4228e440597d5d56c31292e2e1639c7539 Mon Sep 17 00:00:00 2001
From: Steve Hodgson <shodgson@solarflare.com>
Date: Sun, 29 Nov 2009 15:15:07 +0000
Subject: [PATCH 1646/1815] sfc: Add firmware protocol definitions (MCDI)

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/mcdi_pcol.h | 1578 +++++++++++++++++++++++++++++++++++
 1 file changed, 1578 insertions(+)
 create mode 100644 drivers/net/sfc/mcdi_pcol.h

diff --git a/drivers/net/sfc/mcdi_pcol.h b/drivers/net/sfc/mcdi_pcol.h
new file mode 100644
index 00000000000..2a85360a46f
--- /dev/null
+++ b/drivers/net/sfc/mcdi_pcol.h
@@ -0,0 +1,1578 @@
+/****************************************************************************
+ * Driver for Solarflare Solarstorm network controllers and boards
+ * Copyright 2009 Solarflare Communications Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation, incorporated herein by reference.
+ */
+
+
+#ifndef MCDI_PCOL_H
+#define MCDI_PCOL_H
+
+/* Values to be written into FMCR_CZ_RESET_STATE_REG to control boot. */
+/* Power-on reset state */
+#define MC_FW_STATE_POR (1)
+/* If this is set in MC_RESET_STATE_REG then it should be
+ * possible to jump into IMEM without loading code from flash. */
+#define MC_FW_WARM_BOOT_OK (2)
+/* The MC main image has started to boot. */
+#define MC_FW_STATE_BOOTING (4)
+/* The Scheduler has started. */
+#define MC_FW_STATE_SCHED (8)
+
+/* Values to be written to the per-port status dword in shared
+ * memory on reboot and assert */
+#define MC_STATUS_DWORD_REBOOT (0xb007b007)
+#define MC_STATUS_DWORD_ASSERT (0xdeaddead)
+
+/* The current version of the MCDI protocol.
+ *
+ * Note that the ROM burnt into the card only talks V0, so at the very
+ * least every driver must support version 0 and MCDI_PCOL_VERSION
+ */
+#define MCDI_PCOL_VERSION 1
+
+/**
+ * MCDI version 1
+ *
+ * Each MCDI request starts with an MCDI_HEADER, which is a 32byte
+ * structure, filled in by the client.
+ *
+ *       0       7  8     16    20     22  23  24    31
+ *      | CODE | R | LEN | SEQ | Rsvd | E | R | XFLAGS |
+ *               |                      |   |
+ *               |                      |   \--- Response
+ *               |                      \------- Error
+ *               \------------------------------ Resync (always set)
+ *
+ * The client writes it's request into MC shared memory, and rings the
+ * doorbell. Each request is completed by either by the MC writting
+ * back into shared memory, or by writting out an event.
+ *
+ * All MCDI commands support completion by shared memory response. Each
+ * request may also contain additional data (accounted for by HEADER.LEN),
+ * and some response's may also contain additional data (again, accounted
+ * for by HEADER.LEN).
+ *
+ * Some MCDI commands support completion by event, in which any associated
+ * response data is included in the event.
+ *
+ * The protocol requires one response to be delivered for every request, a
+ * request should not be sent unless the response for the previous request
+ * has been received (either by polling shared memory, or by receiving
+ * an event).
+ */
+
+/** Request/Response structure */
+#define MCDI_HEADER_OFST 0
+#define MCDI_HEADER_CODE_LBN 0
+#define MCDI_HEADER_CODE_WIDTH 7
+#define MCDI_HEADER_RESYNC_LBN 7
+#define MCDI_HEADER_RESYNC_WIDTH 1
+#define MCDI_HEADER_DATALEN_LBN 8
+#define MCDI_HEADER_DATALEN_WIDTH 8
+#define MCDI_HEADER_SEQ_LBN 16
+#define MCDI_HEADER_RSVD_LBN 20
+#define MCDI_HEADER_RSVD_WIDTH 2
+#define MCDI_HEADER_SEQ_WIDTH 4
+#define MCDI_HEADER_ERROR_LBN 22
+#define MCDI_HEADER_ERROR_WIDTH 1
+#define MCDI_HEADER_RESPONSE_LBN 23
+#define MCDI_HEADER_RESPONSE_WIDTH 1
+#define MCDI_HEADER_XFLAGS_LBN 24
+#define MCDI_HEADER_XFLAGS_WIDTH 8
+/* Request response using event */
+#define MCDI_HEADER_XFLAGS_EVREQ 0x01
+
+/* Maximum number of payload bytes */
+#define MCDI_CTL_SDU_LEN_MAX 0xfc
+
+/* The MC can generate events for two reasons:
+ *   - To complete a shared memory request if XFLAGS_EVREQ was set
+ *   - As a notification (link state, i2c event), controlled
+ *     via MC_CMD_LOG_CTRL
+ *
+ * Both events share a common structure:
+ *
+ *  0      32     33      36    44     52     60
+ * | Data | Cont | Level | Src | Code | Rsvd |
+ *           |
+ *           \ There is another event pending in this notification
+ *
+ * If Code==CMDDONE, then the fields are further interpreted as:
+ *
+ *   - LEVEL==INFO    Command succeded
+ *   - LEVEL==ERR     Command failed
+ *
+ *    0     8         16      24     32
+ *   | Seq | Datalen | Errno | Rsvd |
+ *
+ *   These fields are taken directly out of the standard MCDI header, i.e.,
+ *   LEVEL==ERR, Datalen == 0 => Reboot
+ *
+ * Events can be squirted out of the UART (using LOG_CTRL) without a
+ * MCDI header.  An event can be distinguished from a MCDI response by
+ * examining the first byte which is 0xc0.  This corresponds to the
+ * non-existent MCDI command MC_CMD_DEBUG_LOG.
+ *
+ *      0         7        8
+ *     | command | Resync |     = 0xc0
+ *
+ * Since the event is written in big-endian byte order, this works
+ * providing bits 56-63 of the event are 0xc0.
+ *
+ *      56     60  63
+ *     | Rsvd | Code |    = 0xc0
+ *
+ * Which means for convenience the event code is 0xc for all MC
+ * generated events.
+ */
+#define FSE_AZ_EV_CODE_MCDI_EVRESPONSE 0xc
+
+#define MCDI_EVENT_DATA_LBN 0
+#define MCDI_EVENT_DATA_WIDTH 32
+#define MCDI_EVENT_CONT_LBN 32
+#define MCDI_EVENT_CONT_WIDTH 1
+#define MCDI_EVENT_LEVEL_LBN 33
+#define MCDI_EVENT_LEVEL_WIDTH 3
+#define MCDI_EVENT_LEVEL_INFO (0)
+#define MCDI_EVENT_LEVEL_WARN (1)
+#define MCDI_EVENT_LEVEL_ERR (2)
+#define MCDI_EVENT_LEVEL_FATAL (3)
+#define MCDI_EVENT_SRC_LBN 36
+#define MCDI_EVENT_SRC_WIDTH 8
+#define MCDI_EVENT_CODE_LBN 44
+#define MCDI_EVENT_CODE_WIDTH 8
+#define MCDI_EVENT_CODE_BADSSERT (1)
+#define MCDI_EVENT_CODE_PMNOTICE (2)
+#define MCDI_EVENT_CODE_CMDDONE (3)
+#define  MCDI_EVENT_CMDDONE_SEQ_LBN 0
+#define  MCDI_EVENT_CMDDONE_SEQ_WIDTH 8
+#define  MCDI_EVENT_CMDDONE_DATALEN_LBN 8
+#define  MCDI_EVENT_CMDDONE_DATALEN_WIDTH 8
+#define  MCDI_EVENT_CMDDONE_ERRNO_LBN 16
+#define  MCDI_EVENT_CMDDONE_ERRNO_WIDTH 8
+#define MCDI_EVENT_CODE_LINKCHANGE (4)
+#define  MCDI_EVENT_LINKCHANGE_LP_CAP_LBN 0
+#define  MCDI_EVENT_LINKCHANGE_LP_CAP_WIDTH 16
+#define  MCDI_EVENT_LINKCHANGE_SPEED_LBN 16
+#define  MCDI_EVENT_LINKCHANGE_SPEED_WIDTH 4
+#define  MCDI_EVENT_LINKCHANGE_SPEED_100M 1
+#define  MCDI_EVENT_LINKCHANGE_SPEED_1G 2
+#define  MCDI_EVENT_LINKCHANGE_SPEED_10G 3
+#define  MCDI_EVENT_LINKCHANGE_FCNTL_LBN 20
+#define  MCDI_EVENT_LINKCHANGE_FCNTL_WIDTH 4
+#define  MCDI_EVENT_LINKCHANGE_LINK_FLAGS_LBN 24
+#define  MCDI_EVENT_LINKCHANGE_LINK_FLAGS_WIDTH 8
+#define MCDI_EVENT_CODE_SENSOREVT (5)
+#define  MCDI_EVENT_SENSOREVT_MONITOR_LBN 0
+#define  MCDI_EVENT_SENSOREVT_MONITOR_WIDTH 8
+#define  MCDI_EVENT_SENSOREVT_STATE_LBN 8
+#define  MCDI_EVENT_SENSOREVT_STATE_WIDTH 8
+#define  MCDI_EVENT_SENSOREVT_VALUE_LBN 16
+#define  MCDI_EVENT_SENSOREVT_VALUE_WIDTH 16
+#define MCDI_EVENT_CODE_SCHEDERR (6)
+#define MCDI_EVENT_CODE_REBOOT (7)
+#define MCDI_EVENT_CODE_MAC_STATS_DMA (8)
+#define  MCDI_EVENT_MAC_STATS_DMA_GENERATION_LBN 0
+#define  MCDI_EVENT_MAC_STATS_DMA_GENERATION_WIDTH 32
+
+/* Non-existent command target */
+#define MC_CMD_ERR_ENOENT 2
+/* assert() has killed the MC */
+#define MC_CMD_ERR_EINTR 4
+/* Caller does not hold required locks */
+#define MC_CMD_ERR_EACCES 13
+/* Resource is currently unavailable (e.g. lock contention) */
+#define MC_CMD_ERR_EBUSY 16
+/* Invalid argument to target */
+#define MC_CMD_ERR_EINVAL 22
+/* Non-recursive resource is already acquired */
+#define MC_CMD_ERR_EDEADLK 35
+/* Operation not implemented */
+#define MC_CMD_ERR_ENOSYS 38
+/* Operation timed out */
+#define MC_CMD_ERR_ETIME 62
+
+#define MC_CMD_ERR_CODE_OFST 0
+
+
+/* MC_CMD_READ32: (debug, variadic out)
+ * Read multiple 32byte words from MC memory
+ */
+#define MC_CMD_READ32 0x01
+#define MC_CMD_READ32_IN_LEN 8
+#define MC_CMD_READ32_IN_ADDR_OFST 0
+#define MC_CMD_READ32_IN_NUMWORDS_OFST 4
+#define MC_CMD_READ32_OUT_LEN(_numwords) \
+	(4 * (_numwords))
+#define MC_CMD_READ32_OUT_BUFFER_OFST 0
+
+/* MC_CMD_WRITE32: (debug, variadic in)
+ * Write multiple 32byte words to MC memory
+ */
+#define MC_CMD_WRITE32 0x02
+#define MC_CMD_WRITE32_IN_LEN(_numwords) (((_numwords) * 4) + 4)
+#define MC_CMD_WRITE32_IN_ADDR_OFST 0
+#define MC_CMD_WRITE32_IN_BUFFER_OFST 4
+#define MC_CMD_WRITE32_OUT_LEN 0
+
+/* MC_CMD_COPYCODE: (debug)
+ * Copy MC code between two locations and jump
+ */
+#define MC_CMD_COPYCODE 0x03
+#define MC_CMD_COPYCODE_IN_LEN 16
+#define MC_CMD_COPYCODE_IN_SRC_ADDR_OFST 0
+#define MC_CMD_COPYCODE_IN_DEST_ADDR_OFST 4
+#define MC_CMD_COPYCODE_IN_NUMWORDS_OFST 8
+#define MC_CMD_COPYCODE_IN_JUMP_OFST 12
+/* Control should return to the caller rather than jumping */
+#define MC_CMD_COPYCODE_JUMP_NONE 1
+#define MC_CMD_COPYCODE_OUT_LEN 0
+
+/* MC_CMD_SET_FUNC: (debug)
+ * Select function for function-specific commands.
+ */
+#define MC_CMD_SET_FUNC 0x04
+#define MC_CMD_SET_FUNC_IN_LEN 4
+#define MC_CMD_SET_FUNC_IN_FUNC_OFST 0
+#define MC_CMD_SET_FUNC_OUT_LEN 0
+
+/* MC_CMD_GET_BOOT_STATUS:
+ * Get the instruction address from which the MC booted.
+ */
+#define MC_CMD_GET_BOOT_STATUS 0x05
+#define MC_CMD_GET_BOOT_STATUS_IN_LEN 0
+#define MC_CMD_GET_BOOT_STATUS_OUT_LEN 8
+#define MC_CMD_GET_BOOT_STATUS_OUT_BOOT_OFFSET_OFST 0
+#define MC_CMD_GET_BOOT_STATUS_OUT_FLAGS_OFST 4
+/* Reboot caused by watchdog */
+#define MC_CMD_GET_BOOT_STATUS_FLAGS_WATCHDOG_LBN   (0)
+#define MC_CMD_GET_BOOT_STATUS_FLAGS_WATCHDOG_WIDTH (1)
+/* MC booted from primary flash partition */
+#define MC_CMD_GET_BOOT_STATUS_FLAGS_PRIMARY_LBN    (1)
+#define MC_CMD_GET_BOOT_STATUS_FLAGS_PRIMARY_WIDTH  (1)
+/* MC booted from backup flash partition */
+#define MC_CMD_GET_BOOT_STATUS_FLAGS_BACKUP_LBN     (2)
+#define MC_CMD_GET_BOOT_STATUS_FLAGS_BACKUP_WIDTH   (1)
+
+/* MC_CMD_GET_ASSERTS: (debug, variadic out)
+ * Get (and optionally clear) the current assertion status.
+ *
+ * Only OUT.GLOBAL_FLAGS is guaranteed to exist in the completion
+ * payload. The other fields will only be present if
+ * OUT.GLOBAL_FLAGS != NO_FAILS
+ */
+#define MC_CMD_GET_ASSERTS 0x06
+#define MC_CMD_GET_ASSERTS_IN_LEN 4
+#define MC_CMD_GET_ASSERTS_IN_CLEAR_OFST 0
+#define MC_CMD_GET_ASSERTS_OUT_LEN 140
+/* Assertion status flag */
+#define MC_CMD_GET_ASSERTS_OUT_GLOBAL_FLAGS_OFST 0
+/*! No assertions have failed. */
+#define MC_CMD_GET_ASSERTS_FLAGS_NO_FAILS 1
+/*! A system-level assertion has failed. */
+#define MC_CMD_GET_ASSERTS_FLAGS_SYS_FAIL 2
+/*! A thread-level assertion has failed. */
+#define MC_CMD_GET_ASSERTS_FLAGS_THR_FAIL 3
+/*! The system was reset by the watchdog. */
+#define MC_CMD_GET_ASSERTS_FLAGS_WDOG_FIRED 4
+/* Failing PC value */
+#define MC_CMD_GET_ASSERTS_OUT_SAVED_PC_OFFS_OFST 4
+/* Saved GP regs */
+#define MC_CMD_GET_ASSERTS_OUT_GP_REGS_OFFS_OFST 8
+#define MC_CMD_GET_ASSERTS_OUT_GP_REGS_LEN 124
+/* Failing thread address */
+#define MC_CMD_GET_ASSERTS_OUT_THREAD_OFFS_OFST 132
+
+/* MC_CMD_LOG_CTRL:
+ * Determine the output stream for various events and messages
+ */
+#define MC_CMD_LOG_CTRL 0x07
+#define MC_CMD_LOG_CTRL_IN_LEN 8
+#define MC_CMD_LOG_CTRL_IN_LOG_DEST_OFST 0
+#define MC_CMD_LOG_CTRL_IN_LOG_DEST_UART (1)
+#define MC_CMD_LOG_CTRL_IN_LOG_DEST_EVQ (2)
+#define MC_CMD_LOG_CTRL_IN_LOG_DEST_EVQ_OFST 4
+#define MC_CMD_LOG_CTRL_OUT_LEN 0
+
+/* MC_CMD_GET_VERSION:
+ * Get version information about the MC firmware
+ */
+#define MC_CMD_GET_VERSION 0x08
+#define MC_CMD_GET_VERSION_IN_LEN 0
+#define MC_CMD_GET_VERSION_V0_OUT_LEN 4
+#define MC_CMD_GET_VERSION_V1_OUT_LEN 32
+#define MC_CMD_GET_VERSION_OUT_FIRMWARE_OFST 0
+/* Reserved version number to indicate "any" version. */
+#define MC_CMD_GET_VERSION_OUT_FIRMWARE_ANY 0xffffffff
+/* The version response of a boot ROM awaiting rescue */
+#define MC_CMD_GET_VERSION_OUT_FIRMWARE_BOOTROM 0xb0070000
+#define MC_CMD_GET_VERSION_V1_OUT_PCOL_OFST 4
+/* 128bit mask of functions supported by the current firmware */
+#define MC_CMD_GET_VERSION_V1_OUT_SUPPORTED_FUNCS_OFST 8
+/* The command set exported by the boot ROM (MCDI v0) */
+#define MC_CMD_GET_VERSION_V0_SUPPORTED_FUNCS {		\
+	(1 << MC_CMD_READ32)	|			\
+	(1 << MC_CMD_WRITE32)	|			\
+	(1 << MC_CMD_COPYCODE)	|			\
+	(1 << MC_CMD_GET_VERSION),			\
+	0, 0, 0 }
+#define MC_CMD_GET_VERSION_OUT_VERSION_OFST 24
+
+/* Vectors in the boot ROM */
+/* Point to the copycode entry point. */
+#define MC_BOOTROM_COPYCODE_VEC (0x7f4)
+/* Points to the recovery mode entry point. */
+#define MC_BOOTROM_NOFLASH_VEC (0x7f8)
+
+/* Test execution limits */
+#define MC_TESTEXEC_VARIANT_COUNT 16
+#define MC_TESTEXEC_RESULT_COUNT 7
+
+/* MC_CMD_SET_TESTVARS: (debug, variadic in)
+ * Write variant words for test.
+ *
+ * The user supplies a bitmap of the variants they wish to set.
+ * They must ensure that IN.LEN >= 4 + 4 * ffs(BITMAP)
+ */
+#define MC_CMD_SET_TESTVARS 0x09
+#define MC_CMD_SET_TESTVARS_IN_LEN(_numwords)	\
+  (4 + 4*(_numwords))
+#define MC_CMD_SET_TESTVARS_IN_ARGS_BITMAP_OFST 0
+/* Up to MC_TESTEXEC_VARIANT_COUNT of 32byte words start here */
+#define MC_CMD_SET_TESTVARS_IN_ARGS_BUFFER_OFST 4
+#define MC_CMD_SET_TESTVARS_OUT_LEN 0
+
+/* MC_CMD_GET_TESTRCS: (debug, variadic out)
+ * Return result words from test.
+ */
+#define MC_CMD_GET_TESTRCS 0x0a
+#define MC_CMD_GET_TESTRCS_IN_LEN 4
+#define MC_CMD_GET_TESTRCS_IN_NUMWORDS_OFST 0
+#define MC_CMD_GET_TESTRCS_OUT_LEN(_numwords) \
+	(4 * (_numwords))
+#define MC_CMD_GET_TESTRCS_OUT_BUFFER_OFST 0
+
+/* MC_CMD_RUN_TEST: (debug)
+ * Run the test exported by this firmware image
+ */
+#define MC_CMD_RUN_TEST 0x0b
+#define MC_CMD_RUN_TEST_IN_LEN 0
+#define MC_CMD_RUN_TEST_OUT_LEN 0
+
+/* MC_CMD_CSR_READ32: (debug, variadic out)
+ * Read 32bit words from the indirect memory map
+ */
+#define MC_CMD_CSR_READ32 0x0c
+#define MC_CMD_CSR_READ32_IN_LEN 12
+#define MC_CMD_CSR_READ32_IN_ADDR_OFST 0
+#define MC_CMD_CSR_READ32_IN_STEP_OFST 4
+#define MC_CMD_CSR_READ32_IN_NUMWORDS_OFST 8
+#define MC_CMD_CSR_READ32_OUT_LEN(_numwords)	\
+	(((_numwords) * 4) + 4)
+/* IN.NUMWORDS of 32bit words start here */
+#define MC_CMD_CSR_READ32_OUT_BUFFER_OFST 0
+#define MC_CMD_CSR_READ32_OUT_IREG_STATUS_OFST(_numwords)	\
+	((_numwords) * 4)
+
+/* MC_CMD_CSR_WRITE32: (debug, variadic in)
+ * Write 32bit dwords to the indirect memory map
+ */
+#define MC_CMD_CSR_WRITE32 0x0d
+#define MC_CMD_CSR_WRITE32_IN_LEN(_numwords)	\
+	(((_numwords) * 4) + 8)
+#define MC_CMD_CSR_WRITE32_IN_ADDR_OFST 0
+#define MC_CMD_CSR_WRITE32_IN_STEP_OFST 4
+/* Multiple 32bit words of data to write start here */
+#define MC_CMD_CSR_WRITE32_IN_BUFFER_OFST 8
+#define MC_CMD_CSR_WRITE32_OUT_LEN 4
+#define MC_CMD_CSR_WRITE32_OUT_STATUS_OFST 0
+
+/* MC_CMD_JTAG_WORK: (debug, fpga only)
+ * Process JTAG work buffer for RBF acceleration.
+ *
+ *  Host: bit count, (up to) 32 words of data to clock out to JTAG
+ *   (bits 1,0=TMS,TDO for first bit; bits 3,2=TMS,TDO for second bit, etc.)
+ *  MC: bit count, (up to) 32 words of data clocked in from JTAG
+ *   (bit 0=TDI for first bit, bit 1=TDI for second bit, etc.; [31:16] unused)
+ */
+#define MC_CMD_JTAG_WORK 0x0e
+
+/* MC_CMD_STACKINFO: (debug, variadic out)
+ * Get stack information
+ *
+ * Host: nothing
+ * MC: (thread ptr, stack size, free space) for each thread in system
+ */
+#define MC_CMD_STACKINFO 0x0f
+
+/* MC_CMD_MDIO_READ:
+ * MDIO register read
+ */
+#define MC_CMD_MDIO_READ 0x10
+#define MC_CMD_MDIO_READ_IN_LEN 16
+#define MC_CMD_MDIO_READ_IN_BUS_OFST 0
+#define MC_CMD_MDIO_READ_IN_PRTAD_OFST 4
+#define MC_CMD_MDIO_READ_IN_DEVAD_OFST 8
+#define MC_CMD_MDIO_READ_IN_ADDR_OFST 12
+#define MC_CMD_MDIO_READ_OUT_LEN 8
+#define MC_CMD_MDIO_READ_OUT_VALUE_OFST 0
+#define MC_CMD_MDIO_READ_OUT_STATUS_OFST 4
+
+/* MC_CMD_MDIO_WRITE:
+ * MDIO register write
+ */
+#define MC_CMD_MDIO_WRITE 0x11
+#define MC_CMD_MDIO_WRITE_IN_LEN 20
+#define MC_CMD_MDIO_WRITE_IN_BUS_OFST 0
+#define MC_CMD_MDIO_WRITE_IN_PRTAD_OFST 4
+#define MC_CMD_MDIO_WRITE_IN_DEVAD_OFST 8
+#define MC_CMD_MDIO_WRITE_IN_ADDR_OFST 12
+#define MC_CMD_MDIO_WRITE_IN_VALUE_OFST 16
+#define MC_CMD_MDIO_WRITE_OUT_LEN 4
+#define MC_CMD_MDIO_WRITE_OUT_STATUS_OFST 0
+
+/* By default all the MCDI MDIO operations perform clause45 mode.
+ * If you want to use clause22 then set DEVAD = MC_CMD_MDIO_CLAUSE22.
+ */
+#define MC_CMD_MDIO_CLAUSE22 32
+
+/* There are two MDIO buses: one for the internal PHY, and one for external
+ * devices.
+ */
+#define MC_CMD_MDIO_BUS_INTERNAL 0
+#define MC_CMD_MDIO_BUS_EXTERNAL 1
+
+/* The MDIO commands return the raw status bits from the MDIO block.  A "good"
+ * transaction should have the DONE bit set and all other bits clear.
+ */
+#define MC_CMD_MDIO_STATUS_GOOD 0x08
+
+
+/* MC_CMD_DBI_WRITE: (debug)
+ * Write DBI register(s)
+ *
+ * Host: address, byte-enables (and VF selection, and cs2 flag),
+ *       value [,address ...]
+ * MC: nothing
+ */
+#define MC_CMD_DBI_WRITE 0x12
+#define MC_CMD_DBI_WRITE_IN_LEN(_numwords)		\
+	(12 * (_numwords))
+#define MC_CMD_DBI_WRITE_IN_ADDRESS_OFST(_word)		\
+	(((_word) * 12) + 0)
+#define MC_CMD_DBI_WRITE_IN_BYTE_MASK_OFST(_word)	\
+	(((_word) * 12) + 4)
+#define MC_CMD_DBI_WRITE_IN_VALUE_OFST(_word)		\
+	(((_word) * 12) + 8)
+#define MC_CMD_DBI_WRITE_OUT_LEN 0
+
+/* MC_CMD_DBI_READ: (debug)
+ * Read DBI register(s)
+ *
+ * Host: address, [,address ...]
+ * MC: value [,value ...]
+ * (note: this does not support reading from VFs, but is retained for backwards
+ * compatibility; see MC_CMD_DBI_READX below)
+ */
+#define MC_CMD_DBI_READ 0x13
+#define MC_CMD_DBI_READ_IN_LEN(_numwords)		\
+	(4 * (_numwords))
+#define MC_CMD_DBI_READ_OUT_LEN(_numwords)		\
+	(4 * (_numwords))
+
+/* MC_CMD_PORT_READ32: (debug)
+ * Read a 32-bit register from the indirect port register map.
+ *
+ * The port to access is implied by the Shared memory channel used.
+ */
+#define MC_CMD_PORT_READ32 0x14
+#define MC_CMD_PORT_READ32_IN_LEN 4
+#define MC_CMD_PORT_READ32_IN_ADDR_OFST 0
+#define MC_CMD_PORT_READ32_OUT_LEN 8
+#define MC_CMD_PORT_READ32_OUT_VALUE_OFST 0
+#define MC_CMD_PORT_READ32_OUT_STATUS_OFST 4
+
+/* MC_CMD_PORT_WRITE32: (debug)
+ * Write a 32-bit register to the indirect port register map.
+ *
+ * The port to access is implied by the Shared memory channel used.
+ */
+#define MC_CMD_PORT_WRITE32 0x15
+#define MC_CMD_PORT_WRITE32_IN_LEN 8
+#define MC_CMD_PORT_WRITE32_IN_ADDR_OFST 0
+#define MC_CMD_PORT_WRITE32_IN_VALUE_OFST 4
+#define MC_CMD_PORT_WRITE32_OUT_LEN 4
+#define MC_CMD_PORT_WRITE32_OUT_STATUS_OFST 0
+
+/* MC_CMD_PORT_READ128: (debug)
+ * Read a 128-bit register from indirect port register map
+ *
+ * The port to access is implied by the Shared memory channel used.
+ */
+#define MC_CMD_PORT_READ128 0x16
+#define MC_CMD_PORT_READ128_IN_LEN 4
+#define MC_CMD_PORT_READ128_IN_ADDR_OFST 0
+#define MC_CMD_PORT_READ128_OUT_LEN 20
+#define MC_CMD_PORT_READ128_OUT_VALUE_OFST 0
+#define MC_CMD_PORT_READ128_OUT_STATUS_OFST 16
+
+/* MC_CMD_PORT_WRITE128: (debug)
+ * Write a 128-bit register to indirect port register map.
+ *
+ * The port to access is implied by the Shared memory channel used.
+ */
+#define MC_CMD_PORT_WRITE128 0x17
+#define MC_CMD_PORT_WRITE128_IN_LEN 20
+#define MC_CMD_PORT_WRITE128_IN_ADDR_OFST 0
+#define MC_CMD_PORT_WRITE128_IN_VALUE_OFST 4
+#define MC_CMD_PORT_WRITE128_OUT_LEN 4
+#define MC_CMD_PORT_WRITE128_OUT_STATUS_OFST 0
+
+/* MC_CMD_GET_BOARD_CFG:
+ * Returns the MC firmware configuration structure
+ *
+ * The FW_SUBTYPE_LIST contains a 16-bit value for each of the 12 types of
+ * NVRAM area.  The values are defined in the firmware/mc/platform/<xxx>.c file
+ * for a specific board type, but otherwise have no meaning to the MC; they
+ * are used by the driver to manage selection of appropriate firmware updates.
+ */
+#define MC_CMD_GET_BOARD_CFG 0x18
+#define MC_CMD_GET_BOARD_CFG_IN_LEN 0
+#define MC_CMD_GET_BOARD_CFG_OUT_LEN 96
+#define MC_CMD_GET_BOARD_CFG_OUT_BOARD_TYPE_OFST 0
+#define MC_CMD_GET_BOARD_CFG_OUT_BOARD_NAME_OFST 4
+#define MC_CMD_GET_BOARD_CFG_OUT_BOARD_NAME_LEN 32
+#define MC_CMD_GET_BOARD_CFG_OUT_CAPABILITIES_PORT0_OFST 36
+#define MC_CMD_GET_BOARD_CFG_OUT_CAPABILITIES_PORT1_OFST 40
+#define MC_CMD_GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT0_OFST 44
+#define MC_CMD_GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT0_LEN 6
+#define MC_CMD_GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT1_OFST 50
+#define MC_CMD_GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT1_LEN 6
+#define MC_CMD_GET_BOARD_CFG_OUT_MAC_COUNT_PORT0_OFST 56
+#define MC_CMD_GET_BOARD_CFG_OUT_MAC_COUNT_PORT1_OFST 60
+#define MC_CMD_GET_BOARD_CFG_OUT_MAC_STRIDE_PORT0_OFST 64
+#define MC_CMD_GET_BOARD_CFG_OUT_MAC_STRIDE_PORT1_OFST 68
+#define MC_CMD_GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST_OFST 72
+#define MC_CMD_GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST_LEN 24
+
+/* MC_CMD_DBI_READX: (debug)
+ * Read DBI register(s) -- extended functionality
+ *
+ * Host: vf selection, address, [,vf selection ...]
+ * MC: value [,value ...]
+ */
+#define MC_CMD_DBI_READX 0x19
+#define MC_CMD_DBI_READX_IN_LEN(_numwords)	\
+  (8*(_numwords))
+#define MC_CMD_DBI_READX_OUT_LEN(_numwords)	\
+  (4*(_numwords))
+
+/* MC_CMD_SET_RAND_SEED:
+ * Set the 16byte seed for the MC psuedo-random generator
+ */
+#define MC_CMD_SET_RAND_SEED 0x1a
+#define MC_CMD_SET_RAND_SEED_IN_LEN 16
+#define MC_CMD_SET_RAND_SEED_IN_SEED_OFST 0
+#define MC_CMD_SET_RAND_SEED_OUT_LEN 0
+
+/* MC_CMD_LTSSM_HIST: (debug)
+ * Retrieve the history of the LTSSM, if the build supports it.
+ *
+ * Host: nothing
+ * MC: variable number of LTSSM values, as bytes
+ * The history is read-to-clear.
+ */
+#define MC_CMD_LTSSM_HIST 0x1b
+
+/* MC_CMD_DRV_ATTACH:
+ * Inform MCPU that this port is managed on the host (i.e. driver active)
+ */
+#define MC_CMD_DRV_ATTACH 0x1c
+#define MC_CMD_DRV_ATTACH_IN_LEN 8
+#define MC_CMD_DRV_ATTACH_IN_NEW_STATE_OFST 0
+#define MC_CMD_DRV_ATTACH_IN_UPDATE_OFST 4
+#define MC_CMD_DRV_ATTACH_OUT_LEN 4
+#define MC_CMD_DRV_ATTACH_OUT_OLD_STATE_OFST 0
+
+/* MC_CMD_NCSI_PROD: (debug)
+ * Trigger an NC-SI event (and possibly an AEN in response)
+ */
+#define MC_CMD_NCSI_PROD 0x1d
+#define MC_CMD_NCSI_PROD_IN_LEN 4
+#define MC_CMD_NCSI_PROD_IN_EVENTS_OFST 0
+#define MC_CMD_NCSI_PROD_LINKCHANGE_LBN 0
+#define MC_CMD_NCSI_PROD_LINKCHANGE_WIDTH 1
+#define MC_CMD_NCSI_PROD_RESET_LBN 1
+#define MC_CMD_NCSI_PROD_RESET_WIDTH 1
+#define MC_CMD_NCSI_PROD_DRVATTACH_LBN 2
+#define MC_CMD_NCSI_PROD_DRVATTACH_WIDTH 1
+#define MC_CMD_NCSI_PROD_OUT_LEN 0
+
+/* Enumeration */
+#define MC_CMD_NCSI_PROD_LINKCHANGE 0
+#define MC_CMD_NCSI_PROD_RESET 1
+#define MC_CMD_NCSI_PROD_DRVATTACH 2
+
+/* MC_CMD_DEVEL: (debug)
+ * Reserved for development
+ */
+#define MC_CMD_DEVEL 0x1e
+
+/* MC_CMD_SHMUART: (debug)
+ * Route UART output to circular buffer in shared memory instead.
+ */
+#define MC_CMD_SHMUART 0x1f
+#define MC_CMD_SHMUART_IN_FLAG_OFST 0
+#define MC_CMD_SHMUART_IN_LEN 4
+#define MC_CMD_SHMUART_OUT_LEN 0
+
+/* MC_CMD_PORT_RESET:
+ * Generic per-port reset. There is no equivalent for per-board reset.
+ *
+ * Locks required: None
+ * Return code: 0, ETIME
+ */
+#define MC_CMD_PORT_RESET 0x20
+#define MC_CMD_PORT_RESET_IN_LEN 0
+#define MC_CMD_PORT_RESET_OUT_LEN 0
+
+/* MC_CMD_RESOURCE_LOCK:
+ * Generic resource lock/unlock interface.
+ *
+ * Locks required: None
+ * Return code: 0,
+ *              EBUSY (if trylock is contended by other port),
+ *              EDEADLK (if trylock is already acquired by this port)
+ *              EINVAL (if unlock doesn't own the lock)
+ */
+#define MC_CMD_RESOURCE_LOCK 0x21
+#define MC_CMD_RESOURCE_LOCK_IN_LEN 8
+#define MC_CMD_RESOURCE_LOCK_IN_ACTION_OFST 0
+#define MC_CMD_RESOURCE_LOCK_ACTION_TRYLOCK 1
+#define MC_CMD_RESOURCE_LOCK_ACTION_UNLOCK 0
+#define MC_CMD_RESOURCE_LOCK_IN_RESOURCE_OFST 4
+#define MC_CMD_RESOURCE_LOCK_I2C 2
+#define MC_CMD_RESOURCE_LOCK_PHY 3
+#define MC_CMD_RESOURCE_LOCK_OUT_LEN 0
+
+/* MC_CMD_SPI_COMMAND: (variadic in, variadic out)
+ * Read/Write to/from the SPI device.
+ *
+ * Locks required: SPI_LOCK
+ * Return code: 0, ETIME, EINVAL, EACCES (if SPI_LOCK is not held)
+ */
+#define MC_CMD_SPI_COMMAND 0x22
+#define MC_CMD_SPI_COMMAND_IN_LEN(_write_bytes)	(12 + (_write_bytes))
+#define MC_CMD_SPI_COMMAND_IN_ARGS_OFST 0
+#define MC_CMD_SPI_COMMAND_IN_ARGS_ADDRESS_OFST 0
+#define MC_CMD_SPI_COMMAND_IN_ARGS_READ_BYTES_OFST 4
+#define MC_CMD_SPI_COMMAND_IN_ARGS_CHIP_SELECT_OFST 8
+/* Data to write here */
+#define MC_CMD_SPI_COMMAND_IN_WRITE_BUFFER_OFST 12
+#define MC_CMD_SPI_COMMAND_OUT_LEN(_read_bytes) (_read_bytes)
+/* Data read here */
+#define MC_CMD_SPI_COMMAND_OUT_READ_BUFFER_OFST 0
+
+/* MC_CMD_I2C_READ_WRITE: (variadic in, variadic out)
+ * Read/Write to/from the I2C bus.
+ *
+ * Locks required: I2C_LOCK
+ * Return code: 0, ETIME, EINVAL, EACCES (if I2C_LOCK is not held)
+ */
+#define MC_CMD_I2C_RW 0x23
+#define MC_CMD_I2C_RW_IN_LEN(_write_bytes) (8 + (_write_bytes))
+#define MC_CMD_I2C_RW_IN_ARGS_OFST 0
+#define MC_CMD_I2C_RW_IN_ARGS_ADDR_OFST 0
+#define MC_CMD_I2C_RW_IN_ARGS_READ_BYTES_OFST 4
+/* Data to write here */
+#define MC_CMD_I2C_RW_IN_WRITE_BUFFER_OFSET 8
+#define MC_CMD_I2C_RW_OUT_LEN(_read_bytes) (_read_bytes)
+/* Data read here */
+#define MC_CMD_I2C_RW_OUT_READ_BUFFER_OFST 0
+
+/* Generic phy capability bitmask */
+#define MC_CMD_PHY_CAP_10HDX_LBN 1
+#define MC_CMD_PHY_CAP_10HDX_WIDTH 1
+#define MC_CMD_PHY_CAP_10FDX_LBN 2
+#define MC_CMD_PHY_CAP_10FDX_WIDTH 1
+#define MC_CMD_PHY_CAP_100HDX_LBN 3
+#define MC_CMD_PHY_CAP_100HDX_WIDTH 1
+#define MC_CMD_PHY_CAP_100FDX_LBN 4
+#define MC_CMD_PHY_CAP_100FDX_WIDTH 1
+#define MC_CMD_PHY_CAP_1000HDX_LBN 5
+#define MC_CMD_PHY_CAP_1000HDX_WIDTH 1
+#define MC_CMD_PHY_CAP_1000FDX_LBN 6
+#define MC_CMD_PHY_CAP_1000FDX_WIDTH 1
+#define MC_CMD_PHY_CAP_10000FDX_LBN 7
+#define MC_CMD_PHY_CAP_10000FDX_WIDTH 1
+#define MC_CMD_PHY_CAP_PAUSE_LBN 8
+#define MC_CMD_PHY_CAP_PAUSE_WIDTH 1
+#define MC_CMD_PHY_CAP_ASYM_LBN 9
+#define MC_CMD_PHY_CAP_ASYM_WIDTH 1
+#define MC_CMD_PHY_CAP_AN_LBN 10
+#define MC_CMD_PHY_CAP_AN_WIDTH 1
+
+/* Generic loopback enumeration */
+#define MC_CMD_LOOPBACK_NONE 0
+#define MC_CMD_LOOPBACK_DATA 1
+#define MC_CMD_LOOPBACK_GMAC 2
+#define MC_CMD_LOOPBACK_XGMII 3
+#define MC_CMD_LOOPBACK_XGXS 4
+#define MC_CMD_LOOPBACK_XAUI 5
+#define MC_CMD_LOOPBACK_GMII 6
+#define MC_CMD_LOOPBACK_SGMII 7
+#define MC_CMD_LOOPBACK_XGBR 8
+#define MC_CMD_LOOPBACK_XFI 9
+#define MC_CMD_LOOPBACK_XAUI_FAR 10
+#define MC_CMD_LOOPBACK_GMII_FAR 11
+#define MC_CMD_LOOPBACK_SGMII_FAR 12
+#define MC_CMD_LOOPBACK_XFI_FAR 13
+#define MC_CMD_LOOPBACK_GPHY 14
+#define MC_CMD_LOOPBACK_PHYXS 15
+#define MC_CMD_LOOPBACK_PCS 16
+#define MC_CMD_LOOPBACK_PMAPMD 17
+#define MC_CMD_LOOPBACK_XPORT 18
+#define MC_CMD_LOOPBACK_XGMII_WS 19
+#define MC_CMD_LOOPBACK_XAUI_WS 20
+#define MC_CMD_LOOPBACK_XAUI_WS_FAR 21
+#define MC_CMD_LOOPBACK_XAUI_WS_NEAR 22
+#define MC_CMD_LOOPBACK_GMII_WS 23
+#define MC_CMD_LOOPBACK_XFI_WS 24
+#define MC_CMD_LOOPBACK_XFI_WS_FAR 25
+#define MC_CMD_LOOPBACK_PHYXS_WS 26
+
+/* Generic PHY statistics enumeration */
+#define MC_CMD_OUI 0
+#define MC_CMD_PMA_PMD_LINK_UP 1
+#define MC_CMD_PMA_PMD_RX_FAULT 2
+#define MC_CMD_PMA_PMD_TX_FAULT 3
+#define MC_CMD_PMA_PMD_SIGNAL 4
+#define MC_CMD_PMA_PMD_SNR_A 5
+#define MC_CMD_PMA_PMD_SNR_B 6
+#define MC_CMD_PMA_PMD_SNR_C 7
+#define MC_CMD_PMA_PMD_SNR_D 8
+#define MC_CMD_PCS_LINK_UP 9
+#define MC_CMD_PCS_RX_FAULT 10
+#define MC_CMD_PCS_TX_FAULT 11
+#define MC_CMD_PCS_BER 12
+#define MC_CMD_PCS_BLOCK_ERRORS 13
+#define MC_CMD_PHYXS_LINK_UP 14
+#define MC_CMD_PHYXS_RX_FAULT 15
+#define MC_CMD_PHYXS_TX_FAULT 16
+#define MC_CMD_PHYXS_ALIGN 17
+#define MC_CMD_PHYXS_SYNC 18
+#define MC_CMD_AN_LINK_UP 19
+#define MC_CMD_AN_COMPLETE 20
+#define MC_CMD_AN_10GBT_STATUS 21
+#define MC_CMD_CL22_LINK_UP 22
+#define MC_CMD_PHY_NSTATS 23
+
+/* MC_CMD_GET_PHY_CFG:
+ * Report PHY configuration.  This guarantees to succeed even if the PHY is in
+ * a "zombie" state.
+ *
+ * Locks required: None
+ * Return code: 0
+ */
+#define MC_CMD_GET_PHY_CFG 0x24
+
+#define MC_CMD_GET_PHY_CFG_IN_LEN 0
+#define MC_CMD_GET_PHY_CFG_OUT_LEN 72
+
+#define MC_CMD_GET_PHY_CFG_OUT_FLAGS_OFST 0
+#define MC_CMD_GET_PHY_CFG_PRESENT_LBN 0
+#define MC_CMD_GET_PHY_CFG_PRESENT_WIDTH 1
+#define MC_CMD_GET_PHY_CFG_SHORTBIST_LBN 1
+#define MC_CMD_GET_PHY_CFG_SHORTBIST_WIDTH 1
+#define MC_CMD_GET_PHY_CFG_LONGBIST_LBN 2
+#define MC_CMD_GET_PHY_CFG_LONGBIST_WIDTH 1
+#define MC_CMD_GET_PHY_CFG_LOWPOWER_LBN 3
+#define MC_CMD_GET_PHY_CFG_LOWPOWER_WIDTH 1
+#define MC_CMD_GET_PHY_CFG_POWEROFF_LBN 4
+#define MC_CMD_GET_PHY_CFG_POWEROFF_WIDTH 1
+#define MC_CMD_GET_PHY_CFG_TXDIS_LBN 5
+#define MC_CMD_GET_PHY_CFG_TXDIS_WIDTH 1
+#define MC_CMD_GET_PHY_CFG_OUT_TYPE_OFST 4
+/* Bitmask of supported capabilities */
+#define MC_CMD_GET_PHY_CFG_OUT_SUPPORTED_CAP_OFST 8
+#define MC_CMD_GET_PHY_CFG_OUT_CHANNEL_OFST 12
+#define MC_CMD_GET_PHY_CFG_OUT_PRT_OFST 16
+/* PHY statistics bitmap */
+#define MC_CMD_GET_PHY_CFG_OUT_STATS_MASK_OFST 20
+/* PHY type/name string */
+#define MC_CMD_GET_PHY_CFG_OUT_NAME_OFST 24
+#define MC_CMD_GET_PHY_CFG_OUT_NAME_LEN 20
+#define MC_CMD_GET_PHY_CFG_OUT_MEDIA_TYPE_OFST 44
+#define MC_CMD_MEDIA_XAUI 1
+#define MC_CMD_MEDIA_CX4 2
+#define MC_CMD_MEDIA_KX4 3
+#define MC_CMD_MEDIA_XFP 4
+#define MC_CMD_MEDIA_SFP_PLUS 5
+#define MC_CMD_MEDIA_BASE_T 6
+/* MDIO "MMDS" supported */
+#define MC_CMD_GET_PHY_CFG_OUT_MMD_MASK_OFST 48
+/* Native clause 22 */
+#define MC_CMD_MMD_CLAUSE22  0
+#define MC_CMD_MMD_CLAUSE45_PMAPMD 1
+#define MC_CMD_MMD_CLAUSE45_WIS 2
+#define MC_CMD_MMD_CLAUSE45_PCS 3
+#define MC_CMD_MMD_CLAUSE45_PHYXS 4
+#define MC_CMD_MMD_CLAUSE45_DTEXS 5
+#define MC_CMD_MMD_CLAUSE45_TC 6
+#define MC_CMD_MMD_CLAUSE45_AN 7
+/* Clause22 proxied over clause45 by PHY */
+#define MC_CMD_MMD_CLAUSE45_C22EXT 29
+#define MC_CMD_MMD_CLAUSE45_VEND1 30
+#define MC_CMD_MMD_CLAUSE45_VEND2 31
+/* PHY stepping version */
+#define MC_CMD_GET_PHY_CFG_OUT_REVISION_OFST 52
+#define MC_CMD_GET_PHY_CFG_OUT_REVISION_LEN 20
+
+/* MC_CMD_START_PHY_BIST:
+ * Start a BIST test on the PHY.
+ *
+ * Locks required: PHY_LOCK if doing a  PHY BIST
+ * Return code: 0, EINVAL, EACCES (if PHY_LOCK is not held)
+ */
+#define MC_CMD_START_BIST 0x25
+#define MC_CMD_START_BIST_IN_LEN 4
+#define MC_CMD_START_BIST_TYPE_OFST 0
+
+/* Run the PHY's short BIST */
+#define MC_CMD_PHY_BIST_SHORT  1
+/* Run the PHY's long BIST */
+#define MC_CMD_PHY_BIST_LONG   2
+/* Run BIST on the currently selected BPX Serdes (XAUI or XFI) */
+#define MC_CMD_BPX_SERDES_BIST 3
+
+/* MC_CMD_POLL_PHY_BIST: (variadic output)
+ * Poll for BIST completion
+ *
+ * Returns a single status code, and a binary blob of phy-specific
+ * bist output. If the driver can't succesfully parse the BIST output,
+ * it should still respect the Pass/Fail in OUT.RESULT.
+ *
+ * Locks required: PHY_LOCK  if doing a  PHY BIST
+ * Return code: 0, EACCES (if PHY_LOCK is not held)
+ */
+#define MC_CMD_POLL_BIST 0x26
+#define MC_CMD_POLL_BIST_IN_LEN 0
+#define MC_CMD_POLL_BIST_OUT_LEN UNKNOWN
+#define MC_CMD_POLL_BIST_OUT_RESULT_OFST 0
+#define MC_CMD_POLL_BIST_RUNNING 1
+#define MC_CMD_POLL_BIST_PASSED 2
+#define MC_CMD_POLL_BIST_FAILED 3
+#define MC_CMD_POLL_BIST_TIMEOUT 4
+#define MC_CMD_POLL_BIST_OUT_PRIVATE_OFST 4
+
+/* MC_CMD_PHY_SPI: (variadic in, variadic out)
+ * Read/Write/Erase the PHY SPI device
+ *
+ * Locks required: PHY_LOCK
+ * Return code: 0, ETIME, EINVAL, EACCES (if PHY_LOCK is not held)
+ */
+#define MC_CMD_PHY_SPI 0x27
+#define MC_CMD_PHY_SPI_IN_LEN(_write_bytes) (12 + (_write_bytes))
+#define MC_CMD_PHY_SPI_IN_ARGS_OFST 0
+#define MC_CMD_PHY_SPI_IN_ARGS_ADDR_OFST 0
+#define MC_CMD_PHY_SPI_IN_ARGS_READ_BYTES_OFST 4
+#define MC_CMD_PHY_SPI_IN_ARGS_ERASE_ALL_OFST 8
+/* Data to write here */
+#define MC_CMD_PHY_SPI_IN_WRITE_BUFFER_OFSET 12
+#define MC_CMD_PHY_SPI_OUT_LEN(_read_bytes) (_read_bytes)
+/* Data read here */
+#define MC_CMD_PHY_SPI_OUT_READ_BUFFER_OFST 0
+
+
+/* MC_CMD_GET_LOOPBACK_MODES:
+ * Returns a bitmask of loopback modes evailable at each speed.
+ *
+ * Locks required: None
+ * Return code: 0
+ */
+#define MC_CMD_GET_LOOPBACK_MODES 0x28
+#define MC_CMD_GET_LOOPBACK_MODES_IN_LEN 0
+#define MC_CMD_GET_LOOPBACK_MODES_OUT_LEN 32
+#define MC_CMD_GET_LOOPBACK_MODES_100M_OFST 0
+#define MC_CMD_GET_LOOPBACK_MODES_1G_OFST 8
+#define MC_CMD_GET_LOOPBACK_MODES_10G_OFST 16
+#define MC_CMD_GET_LOOPBACK_MODES_SUGGESTED_OFST 24
+
+/* Flow control enumeration */
+#define MC_CMD_FCNTL_OFF 0
+#define MC_CMD_FCNTL_RESPOND 1
+#define MC_CMD_FCNTL_BIDIR 2
+/* Auto - Use what the link has autonegotiated
+ *      - The driver should modify the advertised capabilities via SET_LINK.CAP
+ *        to control the negotiated flow control mode.
+ *      - Can only be set if the PHY supports PAUSE+ASYM capabilities
+ *      - Never returned by GET_LINK as the value programmed into the MAC
+ */
+#define MC_CMD_FCNTL_AUTO 3
+
+/* Generic mac fault bitmask */
+#define MC_CMD_MAC_FAULT_XGMII_LOCAL_LBN 0
+#define MC_CMD_MAC_FAULT_XGMII_LOCAL_WIDTH 1
+#define MC_CMD_MAC_FAULT_XGMII_REMOTE_LBN 1
+#define MC_CMD_MAC_FAULT_XGMII_REMOTE_WIDTH 1
+#define MC_CMD_MAC_FAULT_SGMII_REMOTE_LBN 2
+#define MC_CMD_MAC_FAULT_SGMII_REMOTE_WIDTH 1
+
+/* MC_CMD_GET_LINK:
+ * Read the unified MAC/PHY link state
+ *
+ * Locks required: None
+ * Return code: 0, ETIME
+ */
+#define MC_CMD_GET_LINK 0x29
+#define MC_CMD_GET_LINK_IN_LEN 0
+#define MC_CMD_GET_LINK_OUT_LEN 28
+/* near-side and link-partner advertised capabilities */
+#define MC_CMD_GET_LINK_OUT_CAP_OFST 0
+#define MC_CMD_GET_LINK_OUT_LP_CAP_OFST 4
+/* Autonegotiated speed in mbit/s. The link may still be down
+ * even if this reads non-zero */
+#define MC_CMD_GET_LINK_OUT_LINK_SPEED_OFST 8
+#define MC_CMD_GET_LINK_OUT_LOOPBACK_MODE_OFST 12
+#define MC_CMD_GET_LINK_OUT_FLAGS_OFST 16
+/* Whether we have overall link up */
+#define MC_CMD_GET_LINK_LINK_UP_LBN 0
+#define MC_CMD_GET_LINK_LINK_UP_WIDTH 1
+#define MC_CMD_GET_LINK_FULL_DUPLEX_LBN 1
+#define MC_CMD_GET_LINK_FULL_DUPLEX_WIDTH 1
+/* Whether we have link at the layers provided by the BPX */
+#define MC_CMD_GET_LINK_BPX_LINK_LBN 2
+#define MC_CMD_GET_LINK_BPX_LINK_WIDTH 1
+/* Whether the PHY has external link */
+#define MC_CMD_GET_LINK_PHY_LINK_LBN 3
+#define MC_CMD_GET_LINK_PHY_LINK_WIDTH 1
+#define MC_CMD_GET_LINK_OUT_FCNTL_OFST 20
+#define MC_CMD_GET_LINK_OUT_MAC_FAULT_OFST 24
+
+/* MC_CMD_SET_LINK:
+ * Write the unified MAC/PHY link configuration
+ *
+ * A loopback speed of "0" is supported, and means
+ * (choose any available speed)
+ *
+ * Locks required: None
+ * Return code: 0, EINVAL, ETIME
+ */
+#define MC_CMD_SET_LINK 0x2a
+#define MC_CMD_SET_LINK_IN_LEN 16
+#define MC_CMD_SET_LINK_IN_CAP_OFST 0
+#define MC_CMD_SET_LINK_IN_FLAGS_OFST 4
+#define MC_CMD_SET_LINK_LOWPOWER_LBN 0
+#define MC_CMD_SET_LINK_LOWPOWER_WIDTH 1
+#define MC_CMD_SET_LINK_POWEROFF_LBN 1
+#define MC_CMD_SET_LINK_POWEROFF_WIDTH 1
+#define MC_CMD_SET_LINK_TXDIS_LBN 2
+#define MC_CMD_SET_LINK_TXDIS_WIDTH 1
+#define MC_CMD_SET_LINK_IN_LOOPBACK_MODE_OFST 8
+#define MC_CMD_SET_LINK_IN_LOOPBACK_SPEED_OFST 12
+#define MC_CMD_SET_LINK_OUT_LEN 0
+
+/* MC_CMD_SET_ID_LED:
+ * Set indentification LED state
+ *
+ * Locks required: None
+ * Return code: 0, EINVAL
+ */
+#define MC_CMD_SET_ID_LED 0x2b
+#define MC_CMD_SET_ID_LED_IN_LEN 4
+#define MC_CMD_SET_ID_LED_IN_STATE_OFST 0
+#define  MC_CMD_LED_OFF 0
+#define  MC_CMD_LED_ON 1
+#define  MC_CMD_LED_DEFAULT 2
+#define MC_CMD_SET_ID_LED_OUT_LEN 0
+
+/* MC_CMD_SET_MAC:
+ * Set MAC configuration
+ *
+ * The MTU is the MTU programmed directly into the XMAC/GMAC
+ * (inclusive of EtherII, VLAN, bug16011 padding)
+ *
+ * Locks required: None
+ * Return code: 0, EINVAL
+ */
+#define MC_CMD_SET_MAC 0x2c
+#define MC_CMD_SET_MAC_IN_LEN 24
+#define MC_CMD_SET_MAC_IN_MTU_OFST 0
+#define MC_CMD_SET_MAC_IN_DRAIN_OFST 4
+#define MC_CMD_SET_MAC_IN_ADDR_OFST 8
+#define MC_CMD_SET_MAC_IN_REJECT_OFST 16
+#define MC_CMD_SET_MAC_IN_REJECT_UNCST_LBN 0
+#define MC_CMD_SET_MAC_IN_REJECT_UNCST_WIDTH 1
+#define MC_CMD_SET_MAC_IN_REJECT_BRDCST_LBN 1
+#define MC_CMD_SET_MAC_IN_REJECT_BRDCST_WIDTH 1
+#define MC_CMD_SET_MAC_IN_FCNTL_OFST 20
+#define MC_CMD_SET_MAC_OUT_LEN 0
+
+/* MC_CMD_PHY_STATS:
+ * Get generic PHY statistics
+ *
+ * This call returns the statistics for a generic PHY, by direct DMA
+ * into host memory, in a sparse array (indexed by the enumerate).
+ * Each value is represented by a 32bit number.
+ *
+ * Locks required: None
+ * Returns: 0, ETIME
+ * Response methods: shared memory, event
+ */
+#define MC_CMD_PHY_STATS 0x2d
+#define MC_CMD_PHY_STATS_IN_LEN 8
+#define MC_CMD_PHY_STATS_IN_DMA_ADDR_LO_OFST 0
+#define MC_CMD_PHY_STATS_IN_DMA_ADDR_HI_OFST 4
+#define MC_CMD_PHY_STATS_OUT_LEN 0
+
+/* Unified MAC statistics enumeration */
+#define MC_CMD_MAC_GENERATION_START 0
+#define MC_CMD_MAC_TX_PKTS 1
+#define MC_CMD_MAC_TX_PAUSE_PKTS 2
+#define MC_CMD_MAC_TX_CONTROL_PKTS 3
+#define MC_CMD_MAC_TX_UNICAST_PKTS 4
+#define MC_CMD_MAC_TX_MULTICAST_PKTS 5
+#define MC_CMD_MAC_TX_BROADCAST_PKTS 6
+#define MC_CMD_MAC_TX_BYTES 7
+#define MC_CMD_MAC_TX_BAD_BYTES 8
+#define MC_CMD_MAC_TX_LT64_PKTS 9
+#define MC_CMD_MAC_TX_64_PKTS 10
+#define MC_CMD_MAC_TX_65_TO_127_PKTS 11
+#define MC_CMD_MAC_TX_128_TO_255_PKTS 12
+#define MC_CMD_MAC_TX_256_TO_511_PKTS 13
+#define MC_CMD_MAC_TX_512_TO_1023_PKTS 14
+#define MC_CMD_MAC_TX_1024_TO_15XX_PKTS 15
+#define MC_CMD_MAC_TX_15XX_TO_JUMBO_PKTS 16
+#define MC_CMD_MAC_TX_GTJUMBO_PKTS 17
+#define MC_CMD_MAC_TX_BAD_FCS_PKTS 18
+#define MC_CMD_MAC_TX_SINGLE_COLLISION_PKTS 19
+#define MC_CMD_MAC_TX_MULTIPLE_COLLISION_PKTS 20
+#define MC_CMD_MAC_TX_EXCESSIVE_COLLISION_PKTS 21
+#define MC_CMD_MAC_TX_LATE_COLLISION_PKTS 22
+#define MC_CMD_MAC_TX_DEFERRED_PKTS 23
+#define MC_CMD_MAC_TX_EXCESSIVE_DEFERRED_PKTS 24
+#define MC_CMD_MAC_TX_NON_TCPUDP_PKTS 25
+#define MC_CMD_MAC_TX_MAC_SRC_ERR_PKTS 26
+#define MC_CMD_MAC_TX_IP_SRC_ERR_PKTS 27
+#define MC_CMD_MAC_RX_PKTS 28
+#define MC_CMD_MAC_RX_PAUSE_PKTS 29
+#define MC_CMD_MAC_RX_GOOD_PKTS 30
+#define MC_CMD_MAC_RX_CONTROL_PKTS 31
+#define MC_CMD_MAC_RX_UNICAST_PKTS 32
+#define MC_CMD_MAC_RX_MULTICAST_PKTS 33
+#define MC_CMD_MAC_RX_BROADCAST_PKTS 34
+#define MC_CMD_MAC_RX_BYTES 35
+#define MC_CMD_MAC_RX_BAD_BYTES 36
+#define MC_CMD_MAC_RX_64_PKTS 37
+#define MC_CMD_MAC_RX_65_TO_127_PKTS 38
+#define MC_CMD_MAC_RX_128_TO_255_PKTS 39
+#define MC_CMD_MAC_RX_256_TO_511_PKTS 40
+#define MC_CMD_MAC_RX_512_TO_1023_PKTS 41
+#define MC_CMD_MAC_RX_1024_TO_15XX_PKTS 42
+#define MC_CMD_MAC_RX_15XX_TO_JUMBO_PKTS 43
+#define MC_CMD_MAC_RX_GTJUMBO_PKTS 44
+#define MC_CMD_MAC_RX_UNDERSIZE_PKTS 45
+#define MC_CMD_MAC_RX_BAD_FCS_PKTS 46
+#define MC_CMD_MAC_RX_OVERFLOW_PKTS 47
+#define MC_CMD_MAC_RX_FALSE_CARRIER_PKTS 48
+#define MC_CMD_MAC_RX_SYMBOL_ERROR_PKTS 49
+#define MC_CMD_MAC_RX_ALIGN_ERROR_PKTS 50
+#define MC_CMD_MAC_RX_LENGTH_ERROR_PKTS 51
+#define MC_CMD_MAC_RX_INTERNAL_ERROR_PKTS 52
+#define MC_CMD_MAC_RX_JABBER_PKTS 53
+#define MC_CMD_MAC_RX_NODESC_DROPS 54
+#define MC_CMD_MAC_RX_LANES01_CHAR_ERR 55
+#define MC_CMD_MAC_RX_LANES23_CHAR_ERR 56
+#define MC_CMD_MAC_RX_LANES01_DISP_ERR 57
+#define MC_CMD_MAC_RX_LANES23_DISP_ERR 58
+#define MC_CMD_MAC_RX_MATCH_FAULT 59
+/* Insert new members here. */
+#define MC_CMD_MAC_GENERATION_END 60
+#define MC_CMD_MAC_NSTATS (MC_CMD_MAC_GENERATION_END+1)
+
+/* MC_CMD_MAC_STATS:
+ * Get unified GMAC/XMAC statistics
+ *
+ * This call returns unified statistics maintained by the MC as it
+ * switches between the GMAC and XMAC. The MC will write out all
+ * supported stats.  The driver should zero initialise the buffer to
+ * guarantee consistent results.
+ *
+ * Locks required: None
+ * Returns: 0
+ * Response methods: shared memory, event
+ */
+#define MC_CMD_MAC_STATS 0x2e
+#define MC_CMD_MAC_STATS_IN_LEN 16
+#define MC_CMD_MAC_STATS_IN_DMA_ADDR_LO_OFST 0
+#define MC_CMD_MAC_STATS_IN_DMA_ADDR_HI_OFST 4
+#define MC_CMD_MAC_STATS_IN_CMD_OFST 8
+#define MC_CMD_MAC_STATS_CMD_DMA_LBN 0
+#define MC_CMD_MAC_STATS_CMD_DMA_WIDTH 1
+#define MC_CMD_MAC_STATS_CMD_CLEAR_LBN 1
+#define MC_CMD_MAC_STATS_CMD_CLEAR_WIDTH 1
+#define MC_CMD_MAC_STATS_CMD_PERIODIC_CHANGE_LBN 2
+#define MC_CMD_MAC_STATS_CMD_PERIODIC_CHANGE_WIDTH 1
+/* Fields only relevent when PERIODIC_CHANGE is set */
+#define MC_CMD_MAC_STATS_CMD_PERIODIC_ENABLE_LBN 3
+#define MC_CMD_MAC_STATS_CMD_PERIODIC_ENABLE_WIDTH 1
+#define MC_CMD_MAC_STATS_CMD_PERIODIC_CLEAR_LBN 4
+#define MC_CMD_MAC_STATS_CMD_PERIODIC_CLEAR_WIDTH 1
+#define MC_CMD_MAC_STATS_CMD_PERIOD_MS_LBN 16
+#define MC_CMD_MAC_STATS_CMD_PERIOD_MS_WIDTH 16
+#define MC_CMD_MAC_STATS_IN_DMA_LEN_OFST 12
+
+#define MC_CMD_MAC_STATS_OUT_LEN 0
+
+/* Callisto flags */
+#define MC_CMD_SFT9001_ROBUST_LBN 0
+#define MC_CMD_SFT9001_ROBUST_WIDTH 1
+#define MC_CMD_SFT9001_SHORT_REACH_LBN 1
+#define MC_CMD_SFT9001_SHORT_REACH_WIDTH 1
+
+/* MC_CMD_SFT9001_GET:
+ * Read current callisto specific setting
+ *
+ * Locks required: None
+ * Returns: 0, ETIME
+ */
+#define MC_CMD_SFT9001_GET 0x30
+#define MC_CMD_SFT9001_GET_IN_LEN 0
+#define MC_CMD_SFT9001_GET_OUT_LEN 4
+#define MC_CMD_SFT9001_GET_OUT_FLAGS_OFST 0
+
+/* MC_CMD_SFT9001_SET:
+ * Write current callisto specific setting
+ *
+ * Locks required: None
+ * Returns: 0, ETIME, EINVAL
+ */
+#define MC_CMD_SFT9001_SET 0x31
+#define MC_CMD_SFT9001_SET_IN_LEN 4
+#define MC_CMD_SFT9001_SET_IN_FLAGS_OFST 0
+#define MC_CMD_SFT9001_SET_OUT_LEN 0
+
+
+/* MC_CMD_WOL_FILTER_SET:
+ * Set a WoL filter
+ *
+ * Locks required: None
+ * Returns: 0, EBUSY, EINVAL, ENOSYS
+ */
+#define MC_CMD_WOL_FILTER_SET 0x32
+#define MC_CMD_WOL_FILTER_SET_IN_LEN 192 /* 190 rounded up to a word */
+#define MC_CMD_WOL_FILTER_SET_IN_FILTER_MODE_OFST 0
+#define MC_CMD_WOL_FILTER_SET_IN_WOL_TYPE_OFST 4
+
+/* There is a union at offset 8, following defines overlap due to
+ * this */
+#define MC_CMD_WOL_FILTER_SET_IN_DATA_OFST 8
+
+#define MC_CMD_WOL_FILTER_SET_IN_MAGIC_MAC_OFST		\
+	MC_CMD_WOL_FILTER_SET_IN_DATA_OFST
+
+#define MC_CMD_WOL_FILTER_SET_IN_IPV4_SYN_SRC_IP_OFST   \
+	MC_CMD_WOL_FILTER_SET_IN_DATA_OFST
+#define MC_CMD_WOL_FILTER_SET_IN_IPV4_SYN_DST_IP_OFST   \
+	(MC_CMD_WOL_FILTER_SET_IN_DATA_OFST + 4)
+#define MC_CMD_WOL_FILTER_SET_IN_IPV4_SYN_SRC_PORT_OFST \
+	(MC_CMD_WOL_FILTER_SET_IN_DATA_OFST + 8)
+#define MC_CMD_WOL_FILTER_SET_IN_IPV4_SYN_DST_PORT_OFST \
+	(MC_CMD_WOL_FILTER_SET_IN_DATA_OFST + 10)
+
+#define MC_CMD_WOL_FILTER_SET_IN_IPV6_SYN_SRC_IP_OFST   \
+	MC_CMD_WOL_FILTER_SET_IN_DATA_OFST
+#define MC_CMD_WOL_FILTER_SET_IN_IPV6_SYN_DST_IP_OFST   \
+	(MC_CMD_WOL_FILTER_SET_IN_DATA_OFST + 16)
+#define MC_CMD_WOL_FILTER_SET_IN_IPV6_SYN_SRC_PORT_OFST \
+	(MC_CMD_WOL_FILTER_SET_IN_DATA_OFST + 32)
+#define MC_CMD_WOL_FILTER_SET_IN_IPV6_SYN_DST_PORT_OFST \
+	(MC_CMD_WOL_FILTER_SET_IN_DATA_OFST + 34)
+
+#define MC_CMD_WOL_FILTER_SET_IN_BITMAP_MASK_OFST	\
+	MC_CMD_WOL_FILTER_SET_IN_DATA_OFST
+#define MC_CMD_WOL_FILTER_SET_IN_BITMAP_OFST		\
+	(MC_CMD_WOL_FILTER_SET_IN_DATA_OFST + 48)
+#define MC_CMD_WOL_FILTER_SET_IN_BITMAP_LEN_OFST	\
+	(MC_CMD_WOL_FILTER_SET_IN_DATA_OFST + 176)
+#define MC_CMD_WOL_FILTER_SET_IN_BITMAP_LAYER3_OFST	\
+	(MC_CMD_WOL_FILTER_SET_IN_DATA_OFST + 177)
+#define MC_CMD_WOL_FILTER_SET_IN_BITMAP_LAYER4_OFST	\
+	(MC_CMD_WOL_FILTER_SET_IN_DATA_OFST + 178)
+
+#define MC_CMD_WOL_FILTER_SET_OUT_LEN 4
+#define MC_CMD_WOL_FILTER_SET_OUT_FILTER_ID_OFST 0
+
+/* WOL Filter types enumeration */
+#define MC_CMD_WOL_TYPE_MAGIC      0x0
+			 /* unused 0x1 */
+#define MC_CMD_WOL_TYPE_WIN_MAGIC  0x2
+#define MC_CMD_WOL_TYPE_IPV4_SYN   0x3
+#define MC_CMD_WOL_TYPE_IPV6_SYN   0x4
+#define MC_CMD_WOL_TYPE_BITMAP     0x5
+#define MC_CMD_WOL_TYPE_MAX        0x6
+
+#define MC_CMD_FILTER_MODE_SIMPLE     0x0
+#define MC_CMD_FILTER_MODE_STRUCTURED 0xffffffff
+
+/* MC_CMD_WOL_FILTER_REMOVE:
+ * Remove a WoL filter
+ *
+ * Locks required: None
+ * Returns: 0, EINVAL, ENOSYS
+ */
+#define MC_CMD_WOL_FILTER_REMOVE 0x33
+#define MC_CMD_WOL_FILTER_REMOVE_IN_LEN 4
+#define MC_CMD_WOL_FILTER_REMOVE_IN_FILTER_ID_OFST 0
+#define MC_CMD_WOL_FILTER_REMOVE_OUT_LEN 0
+
+
+/* MC_CMD_WOL_FILTER_RESET:
+ * Reset (i.e. remove all) WoL filters
+ *
+ * Locks required: None
+ * Returns: 0, ENOSYS
+ */
+#define MC_CMD_WOL_FILTER_RESET 0x34
+#define MC_CMD_WOL_FILTER_RESET_IN_LEN 0
+#define MC_CMD_WOL_FILTER_RESET_OUT_LEN 0
+
+/* MC_CMD_SET_MCAST_HASH:
+ * Set the MCASH hash value without otherwise
+ * reconfiguring the MAC
+ */
+#define MC_CMD_SET_MCAST_HASH 0x35
+#define MC_CMD_SET_MCAST_HASH_IN_LEN 32
+#define MC_CMD_SET_MCAST_HASH_IN_HASH0_OFST 0
+#define MC_CMD_SET_MCAST_HASH_IN_HASH1_OFST 16
+#define MC_CMD_SET_MCAST_HASH_OUT_LEN 0
+
+/* MC_CMD_NVRAM_TYPES:
+ * Return bitfield indicating available types of virtual NVRAM partitions
+ *
+ * Locks required: none
+ * Returns: 0
+ */
+#define MC_CMD_NVRAM_TYPES 0x36
+#define MC_CMD_NVRAM_TYPES_IN_LEN 0
+#define MC_CMD_NVRAM_TYPES_OUT_LEN 4
+#define MC_CMD_NVRAM_TYPES_OUT_TYPES_OFST 0
+
+/* Supported NVRAM types */
+#define MC_CMD_NVRAM_TYPE_DISABLED_CALLISTO 0
+#define MC_CMD_NVRAM_TYPE_MC_FW 1
+#define MC_CMD_NVRAM_TYPE_MC_FW_BACKUP 2
+#define MC_CMD_NVRAM_TYPE_STATIC_CFG_PORT0 3
+#define MC_CMD_NVRAM_TYPE_STATIC_CFG_PORT1 4
+#define MC_CMD_NVRAM_TYPE_DYNAMIC_CFG_PORT0 5
+#define MC_CMD_NVRAM_TYPE_DYNAMIC_CFG_PORT1 6
+#define MC_CMD_NVRAM_TYPE_EXP_ROM 7
+#define MC_CMD_NVRAM_TYPE_EXP_ROM_CFG_PORT0 8
+#define MC_CMD_NVRAM_TYPE_EXP_ROM_CFG_PORT1 9
+#define MC_CMD_NVRAM_TYPE_PHY_PORT0 10
+#define MC_CMD_NVRAM_TYPE_PHY_PORT1 11
+#define MC_CMD_NVRAM_TYPE_LOG 12
+
+/* MC_CMD_NVRAM_INFO:
+ * Read info about a virtual NVRAM partition
+ *
+ * Locks required: none
+ * Returns: 0, EINVAL (bad type)
+ */
+#define MC_CMD_NVRAM_INFO 0x37
+#define MC_CMD_NVRAM_INFO_IN_LEN 4
+#define MC_CMD_NVRAM_INFO_IN_TYPE_OFST 0
+#define MC_CMD_NVRAM_INFO_OUT_LEN 24
+#define MC_CMD_NVRAM_INFO_OUT_TYPE_OFST 0
+#define MC_CMD_NVRAM_INFO_OUT_SIZE_OFST 4
+#define MC_CMD_NVRAM_INFO_OUT_ERASESIZE_OFST 8
+#define MC_CMD_NVRAM_INFO_OUT_FLAGS_OFST 12
+#define   MC_CMD_NVRAM_PROTECTED_LBN 0
+#define   MC_CMD_NVRAM_PROTECTED_WIDTH 1
+#define MC_CMD_NVRAM_INFO_OUT_PHYSDEV_OFST 16
+#define MC_CMD_NVRAM_INFO_OUT_PHYSADDR_OFST 20
+
+/* MC_CMD_NVRAM_UPDATE_START:
+ * Start a group of update operations on a virtual NVRAM partition
+ *
+ * Locks required: PHY_LOCK if type==*PHY*
+ * Returns: 0, EINVAL (bad type), EACCES (if PHY_LOCK required and not held)
+ */
+#define MC_CMD_NVRAM_UPDATE_START 0x38
+#define MC_CMD_NVRAM_UPDATE_START_IN_LEN 4
+#define MC_CMD_NVRAM_UPDATE_START_IN_TYPE_OFST 0
+#define MC_CMD_NVRAM_UPDATE_START_OUT_LEN 0
+
+/* MC_CMD_NVRAM_READ:
+ * Read data from a virtual NVRAM partition
+ *
+ * Locks required: PHY_LOCK if type==*PHY*
+ * Returns: 0, EINVAL (bad type/offset/length), EACCES (if PHY_LOCK required and not held)
+ */
+#define MC_CMD_NVRAM_READ 0x39
+#define MC_CMD_NVRAM_READ_IN_LEN 12
+#define MC_CMD_NVRAM_READ_IN_TYPE_OFST 0
+#define MC_CMD_NVRAM_READ_IN_OFFSET_OFST 4
+#define MC_CMD_NVRAM_READ_IN_LENGTH_OFST 8
+#define MC_CMD_NVRAM_READ_OUT_LEN(_read_bytes) (_read_bytes)
+#define MC_CMD_NVRAM_READ_OUT_READ_BUFFER_OFST 0
+
+/* MC_CMD_NVRAM_WRITE:
+ * Write data to a virtual NVRAM partition
+ *
+ * Locks required: PHY_LOCK if type==*PHY*
+ * Returns: 0, EINVAL (bad type/offset/length), EACCES (if PHY_LOCK required and not held)
+ */
+#define MC_CMD_NVRAM_WRITE 0x3a
+#define MC_CMD_NVRAM_WRITE_IN_TYPE_OFST 0
+#define MC_CMD_NVRAM_WRITE_IN_OFFSET_OFST 4
+#define MC_CMD_NVRAM_WRITE_IN_LENGTH_OFST 8
+#define MC_CMD_NVRAM_WRITE_IN_WRITE_BUFFER_OFST 12
+#define MC_CMD_NVRAM_WRITE_IN_LEN(_write_bytes) (12 + _write_bytes)
+#define MC_CMD_NVRAM_WRITE_OUT_LEN 0
+
+/* MC_CMD_NVRAM_ERASE:
+ * Erase sector(s) from a virtual NVRAM partition
+ *
+ * Locks required: PHY_LOCK if type==*PHY*
+ * Returns: 0, EINVAL (bad type/offset/length), EACCES (if PHY_LOCK required and not held)
+ */
+#define MC_CMD_NVRAM_ERASE 0x3b
+#define MC_CMD_NVRAM_ERASE_IN_LEN 12
+#define MC_CMD_NVRAM_ERASE_IN_TYPE_OFST 0
+#define MC_CMD_NVRAM_ERASE_IN_OFFSET_OFST 4
+#define MC_CMD_NVRAM_ERASE_IN_LENGTH_OFST 8
+#define MC_CMD_NVRAM_ERASE_OUT_LEN 0
+
+/* MC_CMD_NVRAM_UPDATE_FINISH:
+ * Finish a group of update operations on a virtual NVRAM partition
+ *
+ * Locks required: PHY_LOCK if type==*PHY*
+ * Returns: 0, EINVAL (bad type/offset/length), EACCES (if PHY_LOCK required and not held)
+ */
+#define MC_CMD_NVRAM_UPDATE_FINISH 0x3c
+#define MC_CMD_NVRAM_UPDATE_FINISH_IN_LEN 4
+#define MC_CMD_NVRAM_UPDATE_FINISH_IN_TYPE_OFST 0
+#define MC_CMD_NVRAM_UPDATE_FINISH_OUT_LEN 0
+
+/* MC_CMD_REBOOT:
+ * Reboot the MC. The AFTER_ASSERTION flag is intended to be used
+ * when the driver notices an assertion failure, to allow two ports to
+ * both recover (semi-)gracefully.
+ *
+ * Locks required: NONE
+ * Returns: Nothing. You get back a response with ERR=1, DATALEN=0
+ */
+#define MC_CMD_REBOOT 0x3d
+#define MC_CMD_REBOOT_IN_LEN 4
+#define MC_CMD_REBOOT_IN_FLAGS_OFST 0
+#define MC_CMD_REBOOT_FLAGS_AFTER_ASSERTION 1
+#define MC_CMD_REBOOT_OUT_LEN 0
+
+/* MC_CMD_SCHEDINFO:
+ * Request scheduler info. from the MC.
+ *
+ * Locks required: NONE
+ * Returns: An array of (timeslice,maximum overrun), one for each thread,
+ * in ascending order of thread address.s
+ */
+#define MC_CMD_SCHEDINFO 0x3e
+#define MC_CMD_SCHEDINFO_IN_LEN 0
+
+
+/* MC_CMD_SET_REBOOT_MODE: (debug)
+ * Set the mode for the next MC reboot.
+ *
+ * Locks required: NONE
+ *
+ * Sets the reboot mode to the specified value.  Returns the old mode.
+ */
+#define MC_CMD_REBOOT_MODE 0x3f
+#define MC_CMD_REBOOT_MODE_IN_LEN 4
+#define MC_CMD_REBOOT_MODE_IN_VALUE_OFST 0
+#define MC_CMD_REBOOT_MODE_OUT_LEN 4
+#define MC_CMD_REBOOT_MODE_OUT_VALUE_OFST 0
+#define   MC_CMD_REBOOT_MODE_NORMAL 0
+#define   MC_CMD_REBOOT_MODE_SNAPPER 3
+
+/* MC_CMD_DEBUG_LOG:
+ * Null request/response command (debug)
+ * - sequence number is always zero
+ * - only supported on the UART interface
+ * (the same set of bytes is delivered as an
+ * event over PCI)
+ */
+#define MC_CMD_DEBUG_LOG 0x40
+#define MC_CMD_DEBUG_LOG_IN_LEN 0
+#define MC_CMD_DEBUG_LOG_OUT_LEN 0
+
+/* Generic sensor enumeration. Note that a dual port NIC
+ * will EITHER expose PHY_COMMON_TEMP OR PHY0_TEMP and
+ * PHY1_TEMP depending on whether there is a single sensor
+ * in the vicinity of the two port, or one per port.
+ */
+#define MC_CMD_SENSOR_CONTROLLER_TEMP 0		/* degC */
+#define MC_CMD_SENSOR_PHY_COMMON_TEMP 1		/* degC */
+#define MC_CMD_SENSOR_CONTROLLER_COOLING 2	/* bool */
+#define MC_CMD_SENSOR_PHY0_TEMP 3		/* degC */
+#define MC_CMD_SENSOR_PHY0_COOLING 4		/* bool */
+#define MC_CMD_SENSOR_PHY1_TEMP 5		/* degC */
+#define MC_CMD_SENSOR_PHY1_COOLING 6		/* bool */
+#define MC_CMD_SENSOR_IN_1V0 7			/* mV */
+#define MC_CMD_SENSOR_IN_1V2 8			/* mV */
+#define MC_CMD_SENSOR_IN_1V8 9			/* mV */
+#define MC_CMD_SENSOR_IN_2V5 10			/* mV */
+#define MC_CMD_SENSOR_IN_3V3 11			/* mV */
+#define MC_CMD_SENSOR_IN_12V0 12		/* mV */
+
+
+/* Sensor state */
+#define MC_CMD_SENSOR_STATE_OK 0
+#define MC_CMD_SENSOR_STATE_WARNING 1
+#define MC_CMD_SENSOR_STATE_FATAL 2
+#define MC_CMD_SENSOR_STATE_BROKEN 3
+
+/* MC_CMD_SENSOR_INFO:
+ * Returns information about every available sensor.
+ *
+ * Each sensor has a single (16bit) value, and a corresponding state.
+ * The mapping between value and sensor is nominally determined by the
+ * MC, but in practise is implemented as zero (BROKEN), one (TEMPERATURE),
+ * or two (VOLTAGE) ranges per sensor per state.
+ *
+ * This call returns a mask (32bit) of the sensors that are supported
+ * by this platform, then an array (indexed by MC_CMD_SENSOR) of byte
+ * offsets to the per-sensor arrays. Each sensor array has four 16bit
+ * numbers, min1, max1, min2, max2.
+ *
+ * Locks required: None
+ * Returns: 0
+ */
+#define MC_CMD_SENSOR_INFO 0x41
+#define MC_CMD_SENSOR_INFO_IN_LEN 0
+#define MC_CMD_SENSOR_INFO_OUT_MASK_OFST 0
+#define MC_CMD_SENSOR_INFO_OUT_OFFSET_OFST(_x) \
+	(4 + (_x))
+#define MC_CMD_SENSOR_INFO_OUT_MIN1_OFST(_ofst) \
+	((_ofst) + 0)
+#define MC_CMD_SENSOR_INFO_OUT_MAX1_OFST(_ofst) \
+	((_ofst) + 2)
+#define MC_CMD_SENSOR_INFO_OUT_MIN2_OFST(_ofst) \
+	((_ofst) + 4)
+#define MC_CMD_SENSOR_INFO_OUT_MAX2_OFST(_ofst) \
+	((_ofst) + 6)
+
+/* MC_CMD_READ_SENSORS
+ * Returns the current (value, state) for each sensor
+ *
+ * Returns the current (value, state) [each 16bit] of each sensor supported by
+ * this board, by DMA'ing a sparse array (indexed by the sensor type) into host
+ * memory.
+ *
+ * The MC will send a SENSOREVT event every time any sensor changes state. The
+ * driver is responsible for ensuring that it doesn't miss any events. The board
+ * will function normally if all sensors are in STATE_OK or state_WARNING.
+ * Otherwise the board should not be expected to function.
+ */
+#define MC_CMD_READ_SENSORS 0x42
+#define MC_CMD_READ_SENSORS_IN_LEN 8
+#define MC_CMD_READ_SENSORS_IN_DMA_ADDR_LO_OFST 0
+#define MC_CMD_READ_SENSORS_IN_DMA_ADDR_HI_OFST 4
+#define MC_CMD_READ_SENSORS_OUT_LEN 0
+
+
+/* MC_CMD_GET_PHY_STATE:
+ * Report current state of PHY.  A "zombie" PHY is a PHY that has failed to
+ * boot (e.g. due to missing or corrupted firmware).
+ *
+ * Locks required: None
+ * Return code: 0
+ */
+#define MC_CMD_GET_PHY_STATE 0x43
+
+#define MC_CMD_GET_PHY_STATE_IN_LEN 0
+#define MC_CMD_GET_PHY_STATE_OUT_LEN 4
+#define MC_CMD_GET_PHY_STATE_STATE_OFST 0
+/* PHY state enumeration: */
+#define MC_CMD_PHY_STATE_OK 1
+#define MC_CMD_PHY_STATE_ZOMBIE 2
+
+
+/* 802.1Qbb control. 8 Tx queues that map to priorities 0 - 7. Use all 1s to
+ * disable 802.Qbb for a given priority. */
+#define MC_CMD_SETUP_8021QBB 0x44
+#define MC_CMD_SETUP_8021QBB_IN_LEN 32
+#define MC_CMD_SETUP_8021QBB_OUT_LEN 0
+#define MC_CMD_SETUP_8021QBB_IN_TXQS_OFFST 0
+
+
+/* MC_CMD_WOL_FILTER_GET:
+ * Retrieve ID of any WoL filters
+ *
+ * Locks required: None
+ * Returns: 0, ENOSYS
+ */
+#define MC_CMD_WOL_FILTER_GET 0x45
+#define MC_CMD_WOL_FILTER_GET_IN_LEN 0
+#define MC_CMD_WOL_FILTER_GET_OUT_LEN 4
+#define MC_CMD_WOL_FILTER_GET_OUT_FILTER_ID_OFST 0
+
+
+/* MC_CMD_ADD_LIGHTSOUT_OFFLOAD:
+ * Offload a protocol to NIC for lights-out state
+ *
+ * Locks required: None
+ * Returns: 0, ENOSYS
+ */
+#define MC_CMD_ADD_LIGHTSOUT_OFFLOAD 0x46
+
+#define MC_CMD_ADD_LIGHTSOUT_OFFLOAD_IN_LEN 16
+#define MC_CMD_ADD_LIGHTSOUT_OFFLOAD_IN_PROTOCOL_OFST 0
+
+/* There is a union at offset 4, following defines overlap due to
+ * this */
+#define MC_CMD_ADD_LIGHTSOUT_OFFLOAD_IN_DATA_OFST 4
+#define MC_CMD_ADD_LIGHTSOUT_OFFLOAD_IN_ARPMAC_OFST 4
+#define MC_CMD_ADD_LIGHTSOUT_OFFLOAD_IN_ARPIP_OFST 10
+#define MC_CMD_ADD_LIGHTSOUT_OFFLOAD_IN_NSMAC_OFST 4
+#define MC_CMD_ADD_LIGHTSOUT_OFFLOAD_IN_NSSNIPV6_OFST 10
+#define MC_CMD_ADD_LIGHTSOUT_OFFLOAD_IN_NSIPV6_OFST 26
+
+#define MC_CMD_ADD_LIGHTSOUT_OFFLOAD_OUT_LEN 4
+#define MC_CMD_ADD_LIGHTSOUT_OFFLOAD_OUT_FILTER_ID_OFST 0
+
+
+/* MC_CMD_REMOVE_LIGHTSOUT_PROTOCOL_OFFLOAD:
+ * Offload a protocol to NIC for lights-out state
+ *
+ * Locks required: None
+ * Returns: 0, ENOSYS
+ */
+#define MC_CMD_REMOVE_LIGHTSOUT_OFFLOAD 0x47
+#define MC_CMD_REMOVE_LIGHTSOUT_OFFLOAD_IN_LEN 8
+#define MC_CMD_REMOVE_LIGHTSOUT_OFFLOAD_OUT_LEN 0
+
+#define MC_CMD_REMOVE_LIGHTSOUT_OFFLOAD_IN_PROTOCOL_OFST 0
+#define MC_CMD_REMOVE_LIGHTSOUT_OFFLOAD_IN_FILTER_ID_OFST 4
+
+/* Lights-out offload protocols enumeration */
+#define MC_CMD_LIGHTSOUT_OFFLOAD_PROTOCOL_ARP 0x1
+#define MC_CMD_LIGHTSOUT_OFFLOAD_PROTOCOL_NS  0x2
+
+
+/* MC_CMD_MAC_RESET_RESTORE:
+ * Restore MAC after block reset
+ *
+ * Locks required: None
+ * Returns: 0
+ */
+
+#define MC_CMD_MAC_RESET_RESTORE 0x48
+#define MC_CMD_MAC_RESET_RESTORE_IN_LEN 0
+#define MC_CMD_MAC_RESET_RESTORE_OUT_LEN 0
+
+#endif /* MCDI_PCOL_H */
-- 
GitLab


From afd4aea03f597f29421dc5767e7d1f754730ec23 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Sun, 29 Nov 2009 15:15:25 +0000
Subject: [PATCH 1647/1815] sfc: Add support for SFC9000 family (1)

This adds support for the SFC9000 family of 10G Ethernet controllers
and LAN-on-motherboard chips, starting with the SFL9021 'Siena' and
SFC9020 'Bethpage'.

The SFC9000 family is based on the SFC4000 'Falcon' architecture, but
with some significant changes:

- Two ports are associated with two independent PCI functions
  (except SFC9010)
- Integrated 10GBASE-T PHY(s) (SFL9021/9022)
- MAC, PHY and board peripherals are managed by firmware
  - Driver does not require board-specific code
  - Firmware supports wake-on-LAN and lights-out management through NC-SI
- IPv6 checksum offload and RSS
- Filtering by MAC address and VLAN (not included in this code)
- PCI SR-IOV (not included in this code)

Credit for this code is largely due to my colleagues at Solarflare:

   Guido Barzini
   Steve Hodgson
   Kieran Mansley
   Matthew Slattery
   Neil Turton

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/mcdi.c     | 1112 ++++++++++++++++++++++++++++++++++++
 drivers/net/sfc/mcdi.h     |  130 +++++
 drivers/net/sfc/mcdi_mac.c |  152 +++++
 drivers/net/sfc/mcdi_phy.c |  597 +++++++++++++++++++
 drivers/net/sfc/siena.c    |  604 ++++++++++++++++++++
 5 files changed, 2595 insertions(+)
 create mode 100644 drivers/net/sfc/mcdi.c
 create mode 100644 drivers/net/sfc/mcdi.h
 create mode 100644 drivers/net/sfc/mcdi_mac.c
 create mode 100644 drivers/net/sfc/mcdi_phy.c
 create mode 100644 drivers/net/sfc/siena.c

diff --git a/drivers/net/sfc/mcdi.c b/drivers/net/sfc/mcdi.c
new file mode 100644
index 00000000000..683353b904c
--- /dev/null
+++ b/drivers/net/sfc/mcdi.c
@@ -0,0 +1,1112 @@
+/****************************************************************************
+ * Driver for Solarflare Solarstorm network controllers and boards
+ * Copyright 2008-2009 Solarflare Communications Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation, incorporated herein by reference.
+ */
+
+#include <linux/delay.h>
+#include "net_driver.h"
+#include "nic.h"
+#include "io.h"
+#include "regs.h"
+#include "mcdi_pcol.h"
+#include "phy.h"
+
+/**************************************************************************
+ *
+ * Management-Controller-to-Driver Interface
+ *
+ **************************************************************************
+ */
+
+/* Software-defined structure to the shared-memory */
+#define CMD_NOTIFY_PORT0 0
+#define CMD_NOTIFY_PORT1 4
+#define CMD_PDU_PORT0    0x008
+#define CMD_PDU_PORT1    0x108
+#define REBOOT_FLAG_PORT0 0x3f8
+#define REBOOT_FLAG_PORT1 0x3fc
+
+#define MCDI_RPC_TIMEOUT       10 /*seconds */
+
+#define MCDI_PDU(efx)							\
+	(efx_port_num(efx) ? CMD_PDU_PORT1 : CMD_PDU_PORT0)
+#define MCDI_DOORBELL(efx)						\
+	(efx_port_num(efx) ? CMD_NOTIFY_PORT1 : CMD_NOTIFY_PORT0)
+#define MCDI_REBOOT_FLAG(efx)						\
+	(efx_port_num(efx) ? REBOOT_FLAG_PORT1 : REBOOT_FLAG_PORT0)
+
+#define SEQ_MASK							\
+	EFX_MASK32(EFX_WIDTH(MCDI_HEADER_SEQ))
+
+static inline struct efx_mcdi_iface *efx_mcdi(struct efx_nic *efx)
+{
+	struct siena_nic_data *nic_data;
+	EFX_BUG_ON_PARANOID(efx_nic_rev(efx) < EFX_REV_SIENA_A0);
+	nic_data = efx->nic_data;
+	return &nic_data->mcdi;
+}
+
+void efx_mcdi_init(struct efx_nic *efx)
+{
+	struct efx_mcdi_iface *mcdi;
+
+	if (efx_nic_rev(efx) < EFX_REV_SIENA_A0)
+		return;
+
+	mcdi = efx_mcdi(efx);
+	init_waitqueue_head(&mcdi->wq);
+	spin_lock_init(&mcdi->iface_lock);
+	atomic_set(&mcdi->state, MCDI_STATE_QUIESCENT);
+	mcdi->mode = MCDI_MODE_POLL;
+
+	(void) efx_mcdi_poll_reboot(efx);
+}
+
+static void efx_mcdi_copyin(struct efx_nic *efx, unsigned cmd,
+			    const u8 *inbuf, size_t inlen)
+{
+	struct efx_mcdi_iface *mcdi = efx_mcdi(efx);
+	unsigned pdu = FR_CZ_MC_TREG_SMEM + MCDI_PDU(efx);
+	unsigned doorbell = FR_CZ_MC_TREG_SMEM + MCDI_DOORBELL(efx);
+	unsigned int i;
+	efx_dword_t hdr;
+	u32 xflags, seqno;
+
+	BUG_ON(atomic_read(&mcdi->state) == MCDI_STATE_QUIESCENT);
+	BUG_ON(inlen & 3 || inlen >= 0x100);
+
+	seqno = mcdi->seqno & SEQ_MASK;
+	xflags = 0;
+	if (mcdi->mode == MCDI_MODE_EVENTS)
+		xflags |= MCDI_HEADER_XFLAGS_EVREQ;
+
+	EFX_POPULATE_DWORD_6(hdr,
+			     MCDI_HEADER_RESPONSE, 0,
+			     MCDI_HEADER_RESYNC, 1,
+			     MCDI_HEADER_CODE, cmd,
+			     MCDI_HEADER_DATALEN, inlen,
+			     MCDI_HEADER_SEQ, seqno,
+			     MCDI_HEADER_XFLAGS, xflags);
+
+	efx_writed(efx, &hdr, pdu);
+
+	for (i = 0; i < inlen; i += 4)
+		_efx_writed(efx, *((__le32 *)(inbuf + i)), pdu + 4 + i);
+
+	/* Ensure the payload is written out before the header */
+	wmb();
+
+	/* ring the doorbell with a distinctive value */
+	_efx_writed(efx, (__force __le32) 0x45789abc, doorbell);
+}
+
+static void efx_mcdi_copyout(struct efx_nic *efx, u8 *outbuf, size_t outlen)
+{
+	struct efx_mcdi_iface *mcdi = efx_mcdi(efx);
+	unsigned int pdu = FR_CZ_MC_TREG_SMEM + MCDI_PDU(efx);
+	int i;
+
+	BUG_ON(atomic_read(&mcdi->state) == MCDI_STATE_QUIESCENT);
+	BUG_ON(outlen & 3 || outlen >= 0x100);
+
+	for (i = 0; i < outlen; i += 4)
+		*((__le32 *)(outbuf + i)) = _efx_readd(efx, pdu + 4 + i);
+}
+
+static int efx_mcdi_poll(struct efx_nic *efx)
+{
+	struct efx_mcdi_iface *mcdi = efx_mcdi(efx);
+	unsigned int time, finish;
+	unsigned int respseq, respcmd, error;
+	unsigned int pdu = FR_CZ_MC_TREG_SMEM + MCDI_PDU(efx);
+	unsigned int rc, spins;
+	efx_dword_t reg;
+
+	/* Check for a reboot atomically with respect to efx_mcdi_copyout() */
+	rc = efx_mcdi_poll_reboot(efx);
+	if (rc)
+		goto out;
+
+	/* Poll for completion. Poll quickly (once a us) for the 1st jiffy,
+	 * because generally mcdi responses are fast. After that, back off
+	 * and poll once a jiffy (approximately)
+	 */
+	spins = TICK_USEC;
+	finish = get_seconds() + MCDI_RPC_TIMEOUT;
+
+	while (1) {
+		if (spins != 0) {
+			--spins;
+			udelay(1);
+		} else
+			schedule();
+
+		time = get_seconds();
+
+		rmb();
+		efx_readd(efx, &reg, pdu);
+
+		/* All 1's indicates that shared memory is in reset (and is
+		 * not a valid header). Wait for it to come out reset before
+		 * completing the command */
+		if (EFX_DWORD_FIELD(reg, EFX_DWORD_0) != 0xffffffff &&
+		    EFX_DWORD_FIELD(reg, MCDI_HEADER_RESPONSE))
+			break;
+
+		if (time >= finish)
+			return -ETIMEDOUT;
+	}
+
+	mcdi->resplen = EFX_DWORD_FIELD(reg, MCDI_HEADER_DATALEN);
+	respseq = EFX_DWORD_FIELD(reg, MCDI_HEADER_SEQ);
+	respcmd = EFX_DWORD_FIELD(reg, MCDI_HEADER_CODE);
+	error = EFX_DWORD_FIELD(reg, MCDI_HEADER_ERROR);
+
+	if (error && mcdi->resplen == 0) {
+		EFX_ERR(efx, "MC rebooted\n");
+		rc = EIO;
+	} else if ((respseq ^ mcdi->seqno) & SEQ_MASK) {
+		EFX_ERR(efx, "MC response mismatch tx seq 0x%x rx seq 0x%x\n",
+			respseq, mcdi->seqno);
+		rc = EIO;
+	} else if (error) {
+		efx_readd(efx, &reg, pdu + 4);
+		switch (EFX_DWORD_FIELD(reg, EFX_DWORD_0)) {
+#define TRANSLATE_ERROR(name)					\
+		case MC_CMD_ERR_ ## name:			\
+			rc = name;				\
+			break
+			TRANSLATE_ERROR(ENOENT);
+			TRANSLATE_ERROR(EINTR);
+			TRANSLATE_ERROR(EACCES);
+			TRANSLATE_ERROR(EBUSY);
+			TRANSLATE_ERROR(EINVAL);
+			TRANSLATE_ERROR(EDEADLK);
+			TRANSLATE_ERROR(ENOSYS);
+			TRANSLATE_ERROR(ETIME);
+#undef TRANSLATE_ERROR
+		default:
+			rc = EIO;
+			break;
+		}
+	} else
+		rc = 0;
+
+out:
+	mcdi->resprc = rc;
+	if (rc)
+		mcdi->resplen = 0;
+
+	/* Return rc=0 like wait_event_timeout() */
+	return 0;
+}
+
+/* Test and clear MC-rebooted flag for this port/function */
+int efx_mcdi_poll_reboot(struct efx_nic *efx)
+{
+	unsigned int addr = FR_CZ_MC_TREG_SMEM + MCDI_REBOOT_FLAG(efx);
+	efx_dword_t reg;
+	uint32_t value;
+
+	if (efx_nic_rev(efx) < EFX_REV_SIENA_A0)
+		return false;
+
+	efx_readd(efx, &reg, addr);
+	value = EFX_DWORD_FIELD(reg, EFX_DWORD_0);
+
+	if (value == 0)
+		return 0;
+
+	EFX_ZERO_DWORD(reg);
+	efx_writed(efx, &reg, addr);
+
+	if (value == MC_STATUS_DWORD_ASSERT)
+		return -EINTR;
+	else
+		return -EIO;
+}
+
+static void efx_mcdi_acquire(struct efx_mcdi_iface *mcdi)
+{
+	/* Wait until the interface becomes QUIESCENT and we win the race
+	 * to mark it RUNNING. */
+	wait_event(mcdi->wq,
+		   atomic_cmpxchg(&mcdi->state,
+				  MCDI_STATE_QUIESCENT,
+				  MCDI_STATE_RUNNING)
+		   == MCDI_STATE_QUIESCENT);
+}
+
+static int efx_mcdi_await_completion(struct efx_nic *efx)
+{
+	struct efx_mcdi_iface *mcdi = efx_mcdi(efx);
+
+	if (wait_event_timeout(
+		    mcdi->wq,
+		    atomic_read(&mcdi->state) == MCDI_STATE_COMPLETED,
+		    msecs_to_jiffies(MCDI_RPC_TIMEOUT * 1000)) == 0)
+		return -ETIMEDOUT;
+
+	/* Check if efx_mcdi_set_mode() switched us back to polled completions.
+	 * In which case, poll for completions directly. If efx_mcdi_ev_cpl()
+	 * completed the request first, then we'll just end up completing the
+	 * request again, which is safe.
+	 *
+	 * We need an smp_rmb() to synchronise with efx_mcdi_mode_poll(), which
+	 * wait_event_timeout() implicitly provides.
+	 */
+	if (mcdi->mode == MCDI_MODE_POLL)
+		return efx_mcdi_poll(efx);
+
+	return 0;
+}
+
+static bool efx_mcdi_complete(struct efx_mcdi_iface *mcdi)
+{
+	/* If the interface is RUNNING, then move to COMPLETED and wake any
+	 * waiters. If the interface isn't in RUNNING then we've received a
+	 * duplicate completion after we've already transitioned back to
+	 * QUIESCENT. [A subsequent invocation would increment seqno, so would
+	 * have failed the seqno check].
+	 */
+	if (atomic_cmpxchg(&mcdi->state,
+			   MCDI_STATE_RUNNING,
+			   MCDI_STATE_COMPLETED) == MCDI_STATE_RUNNING) {
+		wake_up(&mcdi->wq);
+		return true;
+	}
+
+	return false;
+}
+
+static void efx_mcdi_release(struct efx_mcdi_iface *mcdi)
+{
+	atomic_set(&mcdi->state, MCDI_STATE_QUIESCENT);
+	wake_up(&mcdi->wq);
+}
+
+static void efx_mcdi_ev_cpl(struct efx_nic *efx, unsigned int seqno,
+			    unsigned int datalen, unsigned int errno)
+{
+	struct efx_mcdi_iface *mcdi = efx_mcdi(efx);
+	bool wake = false;
+
+	spin_lock(&mcdi->iface_lock);
+
+	if ((seqno ^ mcdi->seqno) & SEQ_MASK) {
+		if (mcdi->credits)
+			/* The request has been cancelled */
+			--mcdi->credits;
+		else
+			EFX_ERR(efx, "MC response mismatch tx seq 0x%x rx "
+				"seq 0x%x\n", seqno, mcdi->seqno);
+	} else {
+		mcdi->resprc = errno;
+		mcdi->resplen = datalen;
+
+		wake = true;
+	}
+
+	spin_unlock(&mcdi->iface_lock);
+
+	if (wake)
+		efx_mcdi_complete(mcdi);
+}
+
+/* Issue the given command by writing the data into the shared memory PDU,
+ * ring the doorbell and wait for completion. Copyout the result. */
+int efx_mcdi_rpc(struct efx_nic *efx, unsigned cmd,
+		 const u8 *inbuf, size_t inlen, u8 *outbuf, size_t outlen,
+		 size_t *outlen_actual)
+{
+	struct efx_mcdi_iface *mcdi = efx_mcdi(efx);
+	int rc;
+	BUG_ON(efx_nic_rev(efx) < EFX_REV_SIENA_A0);
+
+	efx_mcdi_acquire(mcdi);
+
+	/* Serialise with efx_mcdi_ev_cpl() and efx_mcdi_ev_death() */
+	spin_lock_bh(&mcdi->iface_lock);
+	++mcdi->seqno;
+	spin_unlock_bh(&mcdi->iface_lock);
+
+	efx_mcdi_copyin(efx, cmd, inbuf, inlen);
+
+	if (mcdi->mode == MCDI_MODE_POLL)
+		rc = efx_mcdi_poll(efx);
+	else
+		rc = efx_mcdi_await_completion(efx);
+
+	if (rc != 0) {
+		/* Close the race with efx_mcdi_ev_cpl() executing just too late
+		 * and completing a request we've just cancelled, by ensuring
+		 * that the seqno check therein fails.
+		 */
+		spin_lock_bh(&mcdi->iface_lock);
+		++mcdi->seqno;
+		++mcdi->credits;
+		spin_unlock_bh(&mcdi->iface_lock);
+
+		EFX_ERR(efx, "MC command 0x%x inlen %d mode %d timed out\n",
+			cmd, (int)inlen, mcdi->mode);
+	} else {
+		size_t resplen;
+
+		/* At the very least we need a memory barrier here to ensure
+		 * we pick up changes from efx_mcdi_ev_cpl(). Protect against
+		 * a spurious efx_mcdi_ev_cpl() running concurrently by
+		 * acquiring the iface_lock. */
+		spin_lock_bh(&mcdi->iface_lock);
+		rc = -mcdi->resprc;
+		resplen = mcdi->resplen;
+		spin_unlock_bh(&mcdi->iface_lock);
+
+		if (rc == 0) {
+			efx_mcdi_copyout(efx, outbuf,
+					 min(outlen, mcdi->resplen + 3) & ~0x3);
+			if (outlen_actual != NULL)
+				*outlen_actual = resplen;
+		} else if (cmd == MC_CMD_REBOOT && rc == -EIO)
+			; /* Don't reset if MC_CMD_REBOOT returns EIO */
+		else if (rc == -EIO || rc == -EINTR) {
+			EFX_ERR(efx, "MC fatal error %d\n", -rc);
+			efx_schedule_reset(efx, RESET_TYPE_MC_FAILURE);
+		} else
+			EFX_ERR(efx, "MC command 0x%x inlen %d failed rc=%d\n",
+				cmd, (int)inlen, -rc);
+	}
+
+	efx_mcdi_release(mcdi);
+	return rc;
+}
+
+void efx_mcdi_mode_poll(struct efx_nic *efx)
+{
+	struct efx_mcdi_iface *mcdi;
+
+	if (efx_nic_rev(efx) < EFX_REV_SIENA_A0)
+		return;
+
+	mcdi = efx_mcdi(efx);
+	if (mcdi->mode == MCDI_MODE_POLL)
+		return;
+
+	/* We can switch from event completion to polled completion, because
+	 * mcdi requests are always completed in shared memory. We do this by
+	 * switching the mode to POLL'd then completing the request.
+	 * efx_mcdi_await_completion() will then call efx_mcdi_poll().
+	 *
+	 * We need an smp_wmb() to synchronise with efx_mcdi_await_completion(),
+	 * which efx_mcdi_complete() provides for us.
+	 */
+	mcdi->mode = MCDI_MODE_POLL;
+
+	efx_mcdi_complete(mcdi);
+}
+
+void efx_mcdi_mode_event(struct efx_nic *efx)
+{
+	struct efx_mcdi_iface *mcdi;
+
+	if (efx_nic_rev(efx) < EFX_REV_SIENA_A0)
+		return;
+
+	mcdi = efx_mcdi(efx);
+
+	if (mcdi->mode == MCDI_MODE_EVENTS)
+		return;
+
+	/* We can't switch from polled to event completion in the middle of a
+	 * request, because the completion method is specified in the request.
+	 * So acquire the interface to serialise the requestors. We don't need
+	 * to acquire the iface_lock to change the mode here, but we do need a
+	 * write memory barrier ensure that efx_mcdi_rpc() sees it, which
+	 * efx_mcdi_acquire() provides.
+	 */
+	efx_mcdi_acquire(mcdi);
+	mcdi->mode = MCDI_MODE_EVENTS;
+	efx_mcdi_release(mcdi);
+}
+
+static void efx_mcdi_ev_death(struct efx_nic *efx, int rc)
+{
+	struct efx_mcdi_iface *mcdi = efx_mcdi(efx);
+
+	/* If there is an outstanding MCDI request, it has been terminated
+	 * either by a BADASSERT or REBOOT event. If the mcdi interface is
+	 * in polled mode, then do nothing because the MC reboot handler will
+	 * set the header correctly. However, if the mcdi interface is waiting
+	 * for a CMDDONE event it won't receive it [and since all MCDI events
+	 * are sent to the same queue, we can't be racing with
+	 * efx_mcdi_ev_cpl()]
+	 *
+	 * There's a race here with efx_mcdi_rpc(), because we might receive
+	 * a REBOOT event *before* the request has been copied out. In polled
+	 * mode (during startup) this is irrelevent, because efx_mcdi_complete()
+	 * is ignored. In event mode, this condition is just an edge-case of
+	 * receiving a REBOOT event after posting the MCDI request. Did the mc
+	 * reboot before or after the copyout? The best we can do always is
+	 * just return failure.
+	 */
+	spin_lock(&mcdi->iface_lock);
+	if (efx_mcdi_complete(mcdi)) {
+		if (mcdi->mode == MCDI_MODE_EVENTS) {
+			mcdi->resprc = rc;
+			mcdi->resplen = 0;
+		}
+	} else
+		/* Nobody was waiting for an MCDI request, so trigger a reset */
+		efx_schedule_reset(efx, RESET_TYPE_MC_FAILURE);
+
+	spin_unlock(&mcdi->iface_lock);
+}
+
+static unsigned int efx_mcdi_event_link_speed[] = {
+	[MCDI_EVENT_LINKCHANGE_SPEED_100M] = 100,
+	[MCDI_EVENT_LINKCHANGE_SPEED_1G] = 1000,
+	[MCDI_EVENT_LINKCHANGE_SPEED_10G] = 10000,
+};
+
+
+static void efx_mcdi_process_link_change(struct efx_nic *efx, efx_qword_t *ev)
+{
+	u32 flags, fcntl, speed, lpa;
+
+	speed = EFX_QWORD_FIELD(*ev, MCDI_EVENT_LINKCHANGE_SPEED);
+	EFX_BUG_ON_PARANOID(speed >= ARRAY_SIZE(efx_mcdi_event_link_speed));
+	speed = efx_mcdi_event_link_speed[speed];
+
+	flags = EFX_QWORD_FIELD(*ev, MCDI_EVENT_LINKCHANGE_LINK_FLAGS);
+	fcntl = EFX_QWORD_FIELD(*ev, MCDI_EVENT_LINKCHANGE_FCNTL);
+	lpa = EFX_QWORD_FIELD(*ev, MCDI_EVENT_LINKCHANGE_LP_CAP);
+
+	/* efx->link_state is only modified by efx_mcdi_phy_get_link(),
+	 * which is only run after flushing the event queues. Therefore, it
+	 * is safe to modify the link state outside of the mac_lock here.
+	 */
+	efx_mcdi_phy_decode_link(efx, &efx->link_state, speed, flags, fcntl);
+
+	efx_mcdi_phy_check_fcntl(efx, lpa);
+
+	efx_link_status_changed(efx);
+}
+
+static const char *sensor_names[] = {
+	[MC_CMD_SENSOR_CONTROLLER_TEMP] = "Controller temp. sensor",
+	[MC_CMD_SENSOR_PHY_COMMON_TEMP] = "PHY shared temp. sensor",
+	[MC_CMD_SENSOR_CONTROLLER_COOLING] = "Controller cooling",
+	[MC_CMD_SENSOR_PHY0_TEMP] = "PHY 0 temp. sensor",
+	[MC_CMD_SENSOR_PHY0_COOLING] = "PHY 0 cooling",
+	[MC_CMD_SENSOR_PHY1_TEMP] = "PHY 1 temp. sensor",
+	[MC_CMD_SENSOR_PHY1_COOLING] = "PHY 1 cooling",
+	[MC_CMD_SENSOR_IN_1V0] = "1.0V supply sensor",
+	[MC_CMD_SENSOR_IN_1V2] = "1.2V supply sensor",
+	[MC_CMD_SENSOR_IN_1V8] = "1.8V supply sensor",
+	[MC_CMD_SENSOR_IN_2V5] = "2.5V supply sensor",
+	[MC_CMD_SENSOR_IN_3V3] = "3.3V supply sensor",
+	[MC_CMD_SENSOR_IN_12V0] = "12V supply sensor"
+};
+
+static const char *sensor_status_names[] = {
+	[MC_CMD_SENSOR_STATE_OK] = "OK",
+	[MC_CMD_SENSOR_STATE_WARNING] = "Warning",
+	[MC_CMD_SENSOR_STATE_FATAL] = "Fatal",
+	[MC_CMD_SENSOR_STATE_BROKEN] = "Device failure",
+};
+
+static void efx_mcdi_sensor_event(struct efx_nic *efx, efx_qword_t *ev)
+{
+	unsigned int monitor, state, value;
+	const char *name, *state_txt;
+	monitor = EFX_QWORD_FIELD(*ev, MCDI_EVENT_SENSOREVT_MONITOR);
+	state = EFX_QWORD_FIELD(*ev, MCDI_EVENT_SENSOREVT_STATE);
+	value = EFX_QWORD_FIELD(*ev, MCDI_EVENT_SENSOREVT_VALUE);
+	/* Deal gracefully with the board having more drivers than we
+	 * know about, but do not expect new sensor states. */
+	name = (monitor >= ARRAY_SIZE(sensor_names))
+				    ? "No sensor name available" :
+				    sensor_names[monitor];
+	EFX_BUG_ON_PARANOID(state >= ARRAY_SIZE(sensor_status_names));
+	state_txt = sensor_status_names[state];
+
+	EFX_ERR(efx, "Sensor %d (%s) reports condition '%s' for raw value %d\n",
+		monitor, name, state_txt, value);
+}
+
+/* Called from  falcon_process_eventq for MCDI events */
+void efx_mcdi_process_event(struct efx_channel *channel,
+			    efx_qword_t *event)
+{
+	struct efx_nic *efx = channel->efx;
+	int code = EFX_QWORD_FIELD(*event, MCDI_EVENT_CODE);
+	u32 data = EFX_QWORD_FIELD(*event, MCDI_EVENT_DATA);
+
+	switch (code) {
+	case MCDI_EVENT_CODE_BADSSERT:
+		EFX_ERR(efx, "MC watchdog or assertion failure at 0x%x\n", data);
+		efx_mcdi_ev_death(efx, EINTR);
+		break;
+
+	case MCDI_EVENT_CODE_PMNOTICE:
+		EFX_INFO(efx, "MCDI PM event.\n");
+		break;
+
+	case MCDI_EVENT_CODE_CMDDONE:
+		efx_mcdi_ev_cpl(efx,
+				MCDI_EVENT_FIELD(*event, CMDDONE_SEQ),
+				MCDI_EVENT_FIELD(*event, CMDDONE_DATALEN),
+				MCDI_EVENT_FIELD(*event, CMDDONE_ERRNO));
+		break;
+
+	case MCDI_EVENT_CODE_LINKCHANGE:
+		efx_mcdi_process_link_change(efx, event);
+		break;
+	case MCDI_EVENT_CODE_SENSOREVT:
+		efx_mcdi_sensor_event(efx, event);
+		break;
+	case MCDI_EVENT_CODE_SCHEDERR:
+		EFX_INFO(efx, "MC Scheduler error address=0x%x\n", data);
+		break;
+	case MCDI_EVENT_CODE_REBOOT:
+		EFX_INFO(efx, "MC Reboot\n");
+		efx_mcdi_ev_death(efx, EIO);
+		break;
+	case MCDI_EVENT_CODE_MAC_STATS_DMA:
+		/* MAC stats are gather lazily.  We can ignore this. */
+		break;
+
+	default:
+		EFX_ERR(efx, "Unknown MCDI event 0x%x\n", code);
+	}
+}
+
+/**************************************************************************
+ *
+ * Specific request functions
+ *
+ **************************************************************************
+ */
+
+int efx_mcdi_fwver(struct efx_nic *efx, u64 *version, u32 *build)
+{
+	u8 outbuf[ALIGN(MC_CMD_GET_VERSION_V1_OUT_LEN, 4)];
+	size_t outlength;
+	const __le16 *ver_words;
+	int rc;
+
+	BUILD_BUG_ON(MC_CMD_GET_VERSION_IN_LEN != 0);
+
+	rc = efx_mcdi_rpc(efx, MC_CMD_GET_VERSION, NULL, 0,
+			  outbuf, sizeof(outbuf), &outlength);
+	if (rc)
+		goto fail;
+
+	if (outlength == MC_CMD_GET_VERSION_V0_OUT_LEN) {
+		*version = 0;
+		*build = MCDI_DWORD(outbuf, GET_VERSION_OUT_FIRMWARE);
+		return 0;
+	}
+
+	if (outlength < MC_CMD_GET_VERSION_V1_OUT_LEN) {
+		rc = -EMSGSIZE;
+		goto fail;
+	}
+
+	ver_words = (__le16 *)MCDI_PTR(outbuf, GET_VERSION_OUT_VERSION);
+	*version = (((u64)le16_to_cpu(ver_words[0]) << 48) |
+		    ((u64)le16_to_cpu(ver_words[1]) << 32) |
+		    ((u64)le16_to_cpu(ver_words[2]) << 16) |
+		    le16_to_cpu(ver_words[3]));
+	*build = MCDI_DWORD(outbuf, GET_VERSION_OUT_FIRMWARE);
+
+	return 0;
+
+fail:
+	EFX_ERR(efx, "%s: failed rc=%d\n", __func__, rc);
+	return rc;
+}
+
+int efx_mcdi_drv_attach(struct efx_nic *efx, bool driver_operating,
+			bool *was_attached)
+{
+	u8 inbuf[MC_CMD_DRV_ATTACH_IN_LEN];
+	u8 outbuf[MC_CMD_DRV_ATTACH_OUT_LEN];
+	size_t outlen;
+	int rc;
+
+	MCDI_SET_DWORD(inbuf, DRV_ATTACH_IN_NEW_STATE,
+		       driver_operating ? 1 : 0);
+	MCDI_SET_DWORD(inbuf, DRV_ATTACH_IN_UPDATE, 1);
+
+	rc = efx_mcdi_rpc(efx, MC_CMD_DRV_ATTACH, inbuf, sizeof(inbuf),
+			  outbuf, sizeof(outbuf), &outlen);
+	if (rc)
+		goto fail;
+	if (outlen < MC_CMD_DRV_ATTACH_OUT_LEN)
+		goto fail;
+
+	if (was_attached != NULL)
+		*was_attached = MCDI_DWORD(outbuf, DRV_ATTACH_OUT_OLD_STATE);
+	return 0;
+
+fail:
+	EFX_ERR(efx, "%s: failed rc=%d\n", __func__, rc);
+	return rc;
+}
+
+int efx_mcdi_get_board_cfg(struct efx_nic *efx, u8 *mac_address,
+			   u16 *fw_subtype_list)
+{
+	uint8_t outbuf[MC_CMD_GET_BOARD_CFG_OUT_LEN];
+	size_t outlen;
+	int port_num = efx_port_num(efx);
+	int offset;
+	int rc;
+
+	BUILD_BUG_ON(MC_CMD_GET_BOARD_CFG_IN_LEN != 0);
+
+	rc = efx_mcdi_rpc(efx, MC_CMD_GET_BOARD_CFG, NULL, 0,
+			  outbuf, sizeof(outbuf), &outlen);
+	if (rc)
+		goto fail;
+
+	if (outlen < MC_CMD_GET_BOARD_CFG_OUT_LEN) {
+		rc = -EMSGSIZE;
+		goto fail;
+	}
+
+	offset = (port_num)
+		? MC_CMD_GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT1_OFST
+		: MC_CMD_GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT0_OFST;
+	if (mac_address)
+		memcpy(mac_address, outbuf + offset, ETH_ALEN);
+	if (fw_subtype_list)
+		memcpy(fw_subtype_list,
+		       outbuf + MC_CMD_GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST_OFST,
+		       MC_CMD_GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST_LEN);
+
+	return 0;
+
+fail:
+	EFX_ERR(efx, "%s: failed rc=%d len=%d\n", __func__, rc, (int)outlen);
+
+	return rc;
+}
+
+int efx_mcdi_log_ctrl(struct efx_nic *efx, bool evq, bool uart, u32 dest_evq)
+{
+	u8 inbuf[MC_CMD_LOG_CTRL_IN_LEN];
+	u32 dest = 0;
+	int rc;
+
+	if (uart)
+		dest |= MC_CMD_LOG_CTRL_IN_LOG_DEST_UART;
+	if (evq)
+		dest |= MC_CMD_LOG_CTRL_IN_LOG_DEST_EVQ;
+
+	MCDI_SET_DWORD(inbuf, LOG_CTRL_IN_LOG_DEST, dest);
+	MCDI_SET_DWORD(inbuf, LOG_CTRL_IN_LOG_DEST_EVQ, dest_evq);
+
+	BUILD_BUG_ON(MC_CMD_LOG_CTRL_OUT_LEN != 0);
+
+	rc = efx_mcdi_rpc(efx, MC_CMD_LOG_CTRL, inbuf, sizeof(inbuf),
+			  NULL, 0, NULL);
+	if (rc)
+		goto fail;
+
+	return 0;
+
+fail:
+	EFX_ERR(efx, "%s: failed rc=%d\n", __func__, rc);
+	return rc;
+}
+
+int efx_mcdi_nvram_types(struct efx_nic *efx, u32 *nvram_types_out)
+{
+	u8 outbuf[MC_CMD_NVRAM_TYPES_OUT_LEN];
+	size_t outlen;
+	int rc;
+
+	BUILD_BUG_ON(MC_CMD_NVRAM_TYPES_IN_LEN != 0);
+
+	rc = efx_mcdi_rpc(efx, MC_CMD_NVRAM_TYPES, NULL, 0,
+			  outbuf, sizeof(outbuf), &outlen);
+	if (rc)
+		goto fail;
+	if (outlen < MC_CMD_NVRAM_TYPES_OUT_LEN)
+		goto fail;
+
+	*nvram_types_out = MCDI_DWORD(outbuf, NVRAM_TYPES_OUT_TYPES);
+	return 0;
+
+fail:
+	EFX_ERR(efx, "%s: failed rc=%d\n",
+		__func__, rc);
+	return rc;
+}
+
+int efx_mcdi_nvram_info(struct efx_nic *efx, unsigned int type,
+			size_t *size_out, size_t *erase_size_out,
+			bool *protected_out)
+{
+	u8 inbuf[MC_CMD_NVRAM_INFO_IN_LEN];
+	u8 outbuf[MC_CMD_NVRAM_INFO_OUT_LEN];
+	size_t outlen;
+	int rc;
+
+	MCDI_SET_DWORD(inbuf, NVRAM_INFO_IN_TYPE, type);
+
+	rc = efx_mcdi_rpc(efx, MC_CMD_NVRAM_INFO, inbuf, sizeof(inbuf),
+			  outbuf, sizeof(outbuf), &outlen);
+	if (rc)
+		goto fail;
+	if (outlen < MC_CMD_NVRAM_INFO_OUT_LEN)
+		goto fail;
+
+	*size_out = MCDI_DWORD(outbuf, NVRAM_INFO_OUT_SIZE);
+	*erase_size_out = MCDI_DWORD(outbuf, NVRAM_INFO_OUT_ERASESIZE);
+	*protected_out = !!(MCDI_DWORD(outbuf, NVRAM_INFO_OUT_FLAGS) &
+				(1 << MC_CMD_NVRAM_PROTECTED_LBN));
+	return 0;
+
+fail:
+	EFX_ERR(efx, "%s: failed rc=%d\n", __func__, rc);
+	return rc;
+}
+
+int efx_mcdi_nvram_update_start(struct efx_nic *efx, unsigned int type)
+{
+	u8 inbuf[MC_CMD_NVRAM_UPDATE_START_IN_LEN];
+	int rc;
+
+	MCDI_SET_DWORD(inbuf, NVRAM_UPDATE_START_IN_TYPE, type);
+
+	BUILD_BUG_ON(MC_CMD_NVRAM_UPDATE_START_OUT_LEN != 0);
+
+	rc = efx_mcdi_rpc(efx, MC_CMD_NVRAM_UPDATE_START, inbuf, sizeof(inbuf),
+			  NULL, 0, NULL);
+	if (rc)
+		goto fail;
+
+	return 0;
+
+fail:
+	EFX_ERR(efx, "%s: failed rc=%d\n", __func__, rc);
+	return rc;
+}
+
+int efx_mcdi_nvram_read(struct efx_nic *efx, unsigned int type,
+			loff_t offset, u8 *buffer, size_t length)
+{
+	u8 inbuf[MC_CMD_NVRAM_READ_IN_LEN];
+	u8 outbuf[MC_CMD_NVRAM_READ_OUT_LEN(length)];
+	size_t outlen;
+	int rc;
+
+	MCDI_SET_DWORD(inbuf, NVRAM_READ_IN_TYPE, type);
+	MCDI_SET_DWORD(inbuf, NVRAM_READ_IN_OFFSET, offset);
+	MCDI_SET_DWORD(inbuf, NVRAM_READ_IN_LENGTH, length);
+
+	rc = efx_mcdi_rpc(efx, MC_CMD_NVRAM_READ, inbuf, sizeof(inbuf),
+			  outbuf, sizeof(outbuf), &outlen);
+	if (rc)
+		goto fail;
+
+	memcpy(buffer, MCDI_PTR(outbuf, NVRAM_READ_OUT_READ_BUFFER), length);
+	return 0;
+
+fail:
+	EFX_ERR(efx, "%s: failed rc=%d\n", __func__, rc);
+	return rc;
+}
+
+int efx_mcdi_nvram_write(struct efx_nic *efx, unsigned int type,
+			   loff_t offset, const u8 *buffer, size_t length)
+{
+	u8 inbuf[MC_CMD_NVRAM_WRITE_IN_LEN(length)];
+	int rc;
+
+	MCDI_SET_DWORD(inbuf, NVRAM_WRITE_IN_TYPE, type);
+	MCDI_SET_DWORD(inbuf, NVRAM_WRITE_IN_OFFSET, offset);
+	MCDI_SET_DWORD(inbuf, NVRAM_WRITE_IN_LENGTH, length);
+	memcpy(MCDI_PTR(inbuf, NVRAM_WRITE_IN_WRITE_BUFFER), buffer, length);
+
+	BUILD_BUG_ON(MC_CMD_NVRAM_WRITE_OUT_LEN != 0);
+
+	rc = efx_mcdi_rpc(efx, MC_CMD_NVRAM_WRITE, inbuf, sizeof(inbuf),
+			  NULL, 0, NULL);
+	if (rc)
+		goto fail;
+
+	return 0;
+
+fail:
+	EFX_ERR(efx, "%s: failed rc=%d\n", __func__, rc);
+	return rc;
+}
+
+int efx_mcdi_nvram_erase(struct efx_nic *efx, unsigned int type,
+			 loff_t offset, size_t length)
+{
+	u8 inbuf[MC_CMD_NVRAM_ERASE_IN_LEN];
+	int rc;
+
+	MCDI_SET_DWORD(inbuf, NVRAM_ERASE_IN_TYPE, type);
+	MCDI_SET_DWORD(inbuf, NVRAM_ERASE_IN_OFFSET, offset);
+	MCDI_SET_DWORD(inbuf, NVRAM_ERASE_IN_LENGTH, length);
+
+	BUILD_BUG_ON(MC_CMD_NVRAM_ERASE_OUT_LEN != 0);
+
+	rc = efx_mcdi_rpc(efx, MC_CMD_NVRAM_ERASE, inbuf, sizeof(inbuf),
+			  NULL, 0, NULL);
+	if (rc)
+		goto fail;
+
+	return 0;
+
+fail:
+	EFX_ERR(efx, "%s: failed rc=%d\n", __func__, rc);
+	return rc;
+}
+
+int efx_mcdi_nvram_update_finish(struct efx_nic *efx, unsigned int type)
+{
+	u8 inbuf[MC_CMD_NVRAM_UPDATE_FINISH_IN_LEN];
+	int rc;
+
+	MCDI_SET_DWORD(inbuf, NVRAM_UPDATE_FINISH_IN_TYPE, type);
+
+	BUILD_BUG_ON(MC_CMD_NVRAM_UPDATE_FINISH_OUT_LEN != 0);
+
+	rc = efx_mcdi_rpc(efx, MC_CMD_NVRAM_UPDATE_FINISH, inbuf, sizeof(inbuf),
+			  NULL, 0, NULL);
+	if (rc)
+		goto fail;
+
+	return 0;
+
+fail:
+	EFX_ERR(efx, "%s: failed rc=%d\n", __func__, rc);
+	return rc;
+}
+
+int efx_mcdi_handle_assertion(struct efx_nic *efx)
+{
+	union {
+		u8 asserts[MC_CMD_GET_ASSERTS_IN_LEN];
+		u8 reboot[MC_CMD_REBOOT_IN_LEN];
+	} inbuf;
+	u8 assertion[MC_CMD_GET_ASSERTS_OUT_LEN];
+	unsigned int flags, index, ofst;
+	const char *reason;
+	size_t outlen;
+	int retry;
+	int rc;
+
+	/* Check if the MC is in the assertion handler, retrying twice. Once
+	 * because a boot-time assertion might cause this command to fail
+	 * with EINTR. And once again because GET_ASSERTS can race with
+	 * MC_CMD_REBOOT running on the other port. */
+	retry = 2;
+	do {
+		MCDI_SET_DWORD(inbuf.asserts, GET_ASSERTS_IN_CLEAR, 0);
+		rc = efx_mcdi_rpc(efx, MC_CMD_GET_ASSERTS,
+				  inbuf.asserts, MC_CMD_GET_ASSERTS_IN_LEN,
+				  assertion, sizeof(assertion), &outlen);
+	} while ((rc == -EINTR || rc == -EIO) && retry-- > 0);
+
+	if (rc)
+		return rc;
+	if (outlen < MC_CMD_GET_ASSERTS_OUT_LEN)
+		return -EINVAL;
+
+	flags = MCDI_DWORD(assertion, GET_ASSERTS_OUT_GLOBAL_FLAGS);
+	if (flags == MC_CMD_GET_ASSERTS_FLAGS_NO_FAILS)
+		return 0;
+
+	/* Reset the hardware atomically such that only one port with succeed.
+	 * This command will succeed if a reboot is no longer required (because
+	 * the other port did it first), but fail with EIO if it succeeds.
+	 */
+	BUILD_BUG_ON(MC_CMD_REBOOT_OUT_LEN != 0);
+	MCDI_SET_DWORD(inbuf.reboot, REBOOT_IN_FLAGS,
+		       MC_CMD_REBOOT_FLAGS_AFTER_ASSERTION);
+	efx_mcdi_rpc(efx, MC_CMD_REBOOT, inbuf.reboot, MC_CMD_REBOOT_IN_LEN,
+		     NULL, 0, NULL);
+
+	/* Print out the assertion */
+	reason = (flags == MC_CMD_GET_ASSERTS_FLAGS_SYS_FAIL)
+		? "system-level assertion"
+		: (flags == MC_CMD_GET_ASSERTS_FLAGS_THR_FAIL)
+		? "thread-level assertion"
+		: (flags == MC_CMD_GET_ASSERTS_FLAGS_WDOG_FIRED)
+		? "watchdog reset"
+		: "unknown assertion";
+	EFX_ERR(efx, "MCPU %s at PC = 0x%.8x in thread 0x%.8x\n", reason,
+		MCDI_DWORD(assertion, GET_ASSERTS_OUT_SAVED_PC_OFFS),
+		MCDI_DWORD(assertion, GET_ASSERTS_OUT_THREAD_OFFS));
+
+	/* Print out the registers */
+	ofst = MC_CMD_GET_ASSERTS_OUT_GP_REGS_OFFS_OFST;
+	for (index = 1; index < 32; index++) {
+		EFX_ERR(efx, "R%.2d (?): 0x%.8x\n", index,
+			MCDI_DWORD2(assertion, ofst));
+		ofst += sizeof(efx_dword_t);
+	}
+
+	return 0;
+}
+
+void efx_mcdi_set_id_led(struct efx_nic *efx, enum efx_led_mode mode)
+{
+	u8 inbuf[MC_CMD_SET_ID_LED_IN_LEN];
+	int rc;
+
+	BUILD_BUG_ON(EFX_LED_OFF != MC_CMD_LED_OFF);
+	BUILD_BUG_ON(EFX_LED_ON != MC_CMD_LED_ON);
+	BUILD_BUG_ON(EFX_LED_DEFAULT != MC_CMD_LED_DEFAULT);
+
+	BUILD_BUG_ON(MC_CMD_SET_ID_LED_OUT_LEN != 0);
+
+	MCDI_SET_DWORD(inbuf, SET_ID_LED_IN_STATE, mode);
+
+	rc = efx_mcdi_rpc(efx, MC_CMD_SET_ID_LED, inbuf, sizeof(inbuf),
+			  NULL, 0, NULL);
+	if (rc)
+		EFX_ERR(efx, "%s: failed rc=%d\n", __func__, rc);
+}
+
+int efx_mcdi_reset_port(struct efx_nic *efx)
+{
+	int rc = efx_mcdi_rpc(efx, MC_CMD_PORT_RESET, NULL, 0, NULL, 0, NULL);
+	if (rc)
+		EFX_ERR(efx, "%s: failed rc=%d\n", __func__, rc);
+	return rc;
+}
+
+int efx_mcdi_reset_mc(struct efx_nic *efx)
+{
+	u8 inbuf[MC_CMD_REBOOT_IN_LEN];
+	int rc;
+
+	BUILD_BUG_ON(MC_CMD_REBOOT_OUT_LEN != 0);
+	MCDI_SET_DWORD(inbuf, REBOOT_IN_FLAGS, 0);
+	rc = efx_mcdi_rpc(efx, MC_CMD_REBOOT, inbuf, sizeof(inbuf),
+			  NULL, 0, NULL);
+	/* White is black, and up is down */
+	if (rc == -EIO)
+		return 0;
+	if (rc == 0)
+		rc = -EIO;
+	EFX_ERR(efx, "%s: failed rc=%d\n", __func__, rc);
+	return rc;
+}
+
+int efx_mcdi_wol_filter_set(struct efx_nic *efx, u32 type,
+			    const u8 *mac, int *id_out)
+{
+	u8 inbuf[MC_CMD_WOL_FILTER_SET_IN_LEN];
+	u8 outbuf[MC_CMD_WOL_FILTER_SET_OUT_LEN];
+	size_t outlen;
+	int rc;
+
+	MCDI_SET_DWORD(inbuf, WOL_FILTER_SET_IN_WOL_TYPE, type);
+	MCDI_SET_DWORD(inbuf, WOL_FILTER_SET_IN_FILTER_MODE,
+		       MC_CMD_FILTER_MODE_SIMPLE);
+	memcpy(MCDI_PTR(inbuf, WOL_FILTER_SET_IN_MAGIC_MAC), mac, ETH_ALEN);
+
+	rc = efx_mcdi_rpc(efx, MC_CMD_WOL_FILTER_SET, inbuf, sizeof(inbuf),
+			  outbuf, sizeof(outbuf), &outlen);
+	if (rc)
+		goto fail;
+
+	if (outlen < MC_CMD_WOL_FILTER_SET_OUT_LEN) {
+		rc = -EMSGSIZE;
+		goto fail;
+	}
+
+	*id_out = (int)MCDI_DWORD(outbuf, WOL_FILTER_SET_OUT_FILTER_ID);
+
+	return 0;
+
+fail:
+	*id_out = -1;
+	EFX_ERR(efx, "%s: failed rc=%d\n", __func__, rc);
+	return rc;
+
+}
+
+
+int
+efx_mcdi_wol_filter_set_magic(struct efx_nic *efx,  const u8 *mac, int *id_out)
+{
+	return efx_mcdi_wol_filter_set(efx, MC_CMD_WOL_TYPE_MAGIC, mac, id_out);
+}
+
+
+int efx_mcdi_wol_filter_get_magic(struct efx_nic *efx, int *id_out)
+{
+	u8 outbuf[MC_CMD_WOL_FILTER_GET_OUT_LEN];
+	size_t outlen;
+	int rc;
+
+	rc = efx_mcdi_rpc(efx, MC_CMD_WOL_FILTER_GET, NULL, 0,
+			  outbuf, sizeof(outbuf), &outlen);
+	if (rc)
+		goto fail;
+
+	if (outlen < MC_CMD_WOL_FILTER_GET_OUT_LEN) {
+		rc = -EMSGSIZE;
+		goto fail;
+	}
+
+	*id_out = (int)MCDI_DWORD(outbuf, WOL_FILTER_GET_OUT_FILTER_ID);
+
+	return 0;
+
+fail:
+	*id_out = -1;
+	EFX_ERR(efx, "%s: failed rc=%d\n", __func__, rc);
+	return rc;
+}
+
+
+int efx_mcdi_wol_filter_remove(struct efx_nic *efx, int id)
+{
+	u8 inbuf[MC_CMD_WOL_FILTER_REMOVE_IN_LEN];
+	int rc;
+
+	MCDI_SET_DWORD(inbuf, WOL_FILTER_REMOVE_IN_FILTER_ID, (u32)id);
+
+	rc = efx_mcdi_rpc(efx, MC_CMD_WOL_FILTER_REMOVE, inbuf, sizeof(inbuf),
+			  NULL, 0, NULL);
+	if (rc)
+		goto fail;
+
+	return 0;
+
+fail:
+	EFX_ERR(efx, "%s: failed rc=%d\n", __func__, rc);
+	return rc;
+}
+
+
+int efx_mcdi_wol_filter_reset(struct efx_nic *efx)
+{
+	int rc;
+
+	rc = efx_mcdi_rpc(efx, MC_CMD_WOL_FILTER_RESET, NULL, 0, NULL, 0, NULL);
+	if (rc)
+		goto fail;
+
+	return 0;
+
+fail:
+	EFX_ERR(efx, "%s: failed rc=%d\n", __func__, rc);
+	return rc;
+}
+
diff --git a/drivers/net/sfc/mcdi.h b/drivers/net/sfc/mcdi.h
new file mode 100644
index 00000000000..de916728c2e
--- /dev/null
+++ b/drivers/net/sfc/mcdi.h
@@ -0,0 +1,130 @@
+/****************************************************************************
+ * Driver for Solarflare Solarstorm network controllers and boards
+ * Copyright 2008-2009 Solarflare Communications Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation, incorporated herein by reference.
+ */
+
+#ifndef EFX_MCDI_H
+#define EFX_MCDI_H
+
+/**
+ * enum efx_mcdi_state
+ * @MCDI_STATE_QUIESCENT: No pending MCDI requests. If the caller holds the
+ *	mcdi_lock then they are able to move to MCDI_STATE_RUNNING
+ * @MCDI_STATE_RUNNING: There is an MCDI request pending. Only the thread that
+ *	moved into this state is allowed to move out of it.
+ * @MCDI_STATE_COMPLETED: An MCDI request has completed, but the owning thread
+ *	has not yet consumed the result. For all other threads, equivalent to
+ *	MCDI_STATE_RUNNING.
+ */
+enum efx_mcdi_state {
+	MCDI_STATE_QUIESCENT,
+	MCDI_STATE_RUNNING,
+	MCDI_STATE_COMPLETED,
+};
+
+enum efx_mcdi_mode {
+	MCDI_MODE_POLL,
+	MCDI_MODE_EVENTS,
+};
+
+/**
+ * struct efx_mcdi_iface
+ * @state: Interface state. Waited for by mcdi_wq.
+ * @wq: Wait queue for threads waiting for state != STATE_RUNNING
+ * @iface_lock: Protects @credits, @seqno, @resprc, @resplen
+ * @mode: Poll for mcdi completion, or wait for an mcdi_event.
+ *	Serialised by @lock
+ * @seqno: The next sequence number to use for mcdi requests.
+ *	Serialised by @lock
+ * @credits: Number of spurious MCDI completion events allowed before we
+ *	trigger a fatal error. Protected by @lock
+ * @resprc: Returned MCDI completion
+ * @resplen: Returned payload length
+ */
+struct efx_mcdi_iface {
+	atomic_t state;
+	wait_queue_head_t wq;
+	spinlock_t iface_lock;
+	enum efx_mcdi_mode mode;
+	unsigned int credits;
+	unsigned int seqno;
+	unsigned int resprc;
+	size_t resplen;
+};
+
+extern void efx_mcdi_init(struct efx_nic *efx);
+
+extern int efx_mcdi_rpc(struct efx_nic *efx, unsigned cmd, const u8 *inbuf,
+			size_t inlen, u8 *outbuf, size_t outlen,
+			size_t *outlen_actual);
+
+extern int efx_mcdi_poll_reboot(struct efx_nic *efx);
+extern void efx_mcdi_mode_poll(struct efx_nic *efx);
+extern void efx_mcdi_mode_event(struct efx_nic *efx);
+
+extern void efx_mcdi_process_event(struct efx_channel *channel,
+				   efx_qword_t *event);
+
+#define MCDI_PTR2(_buf, _ofst)						\
+	(((u8 *)_buf) + _ofst)
+#define MCDI_SET_DWORD2(_buf, _ofst, _value)				\
+	EFX_POPULATE_DWORD_1(*((efx_dword_t *)MCDI_PTR2(_buf, _ofst)),	\
+			     EFX_DWORD_0, _value)
+#define MCDI_DWORD2(_buf, _ofst)					\
+	EFX_DWORD_FIELD(*((efx_dword_t *)MCDI_PTR2(_buf, _ofst)),	\
+			EFX_DWORD_0)
+#define MCDI_QWORD2(_buf, _ofst)					\
+	EFX_QWORD_FIELD64(*((efx_qword_t *)MCDI_PTR2(_buf, _ofst)),	\
+			  EFX_QWORD_0)
+
+#define MCDI_PTR(_buf, _ofst)						\
+	MCDI_PTR2(_buf, MC_CMD_ ## _ofst ## _OFST)
+#define MCDI_SET_DWORD(_buf, _ofst, _value)				\
+	MCDI_SET_DWORD2(_buf, MC_CMD_ ## _ofst ## _OFST, _value)
+#define MCDI_DWORD(_buf, _ofst)						\
+	MCDI_DWORD2(_buf, MC_CMD_ ## _ofst ## _OFST)
+#define MCDI_QWORD(_buf, _ofst)						\
+	MCDI_QWORD2(_buf, MC_CMD_ ## _ofst ## _OFST)
+
+#define MCDI_EVENT_FIELD(_ev, _field)			\
+	EFX_QWORD_FIELD(_ev, MCDI_EVENT_ ## _field)
+
+extern int efx_mcdi_fwver(struct efx_nic *efx, u64 *version, u32 *build);
+extern int efx_mcdi_drv_attach(struct efx_nic *efx, bool driver_operating,
+			       bool *was_attached_out);
+extern int efx_mcdi_get_board_cfg(struct efx_nic *efx, u8 *mac_address,
+				  u16 *fw_subtype_list);
+extern int efx_mcdi_log_ctrl(struct efx_nic *efx, bool evq, bool uart,
+			     u32 dest_evq);
+extern int efx_mcdi_nvram_types(struct efx_nic *efx, u32 *nvram_types_out);
+extern int efx_mcdi_nvram_info(struct efx_nic *efx, unsigned int type,
+			       size_t *size_out, size_t *erase_size_out,
+			       bool *protected_out);
+extern int efx_mcdi_nvram_update_start(struct efx_nic *efx,
+				       unsigned int type);
+extern int efx_mcdi_nvram_read(struct efx_nic *efx, unsigned int type,
+			       loff_t offset, u8 *buffer, size_t length);
+extern int efx_mcdi_nvram_write(struct efx_nic *efx, unsigned int type,
+				loff_t offset, const u8 *buffer,
+				size_t length);
+extern int efx_mcdi_nvram_erase(struct efx_nic *efx, unsigned int type,
+				loff_t offset, size_t length);
+extern int efx_mcdi_nvram_update_finish(struct efx_nic *efx,
+					unsigned int type);
+extern int efx_mcdi_handle_assertion(struct efx_nic *efx);
+extern void efx_mcdi_set_id_led(struct efx_nic *efx, enum efx_led_mode mode);
+extern int efx_mcdi_reset_port(struct efx_nic *efx);
+extern int efx_mcdi_reset_mc(struct efx_nic *efx);
+extern int efx_mcdi_wol_filter_set(struct efx_nic *efx, u32 type,
+				   const u8 *mac, int *id_out);
+extern int efx_mcdi_wol_filter_set_magic(struct efx_nic *efx,
+					 const u8 *mac, int *id_out);
+extern int efx_mcdi_wol_filter_get_magic(struct efx_nic *efx, int *id_out);
+extern int efx_mcdi_wol_filter_remove(struct efx_nic *efx, int id);
+extern int efx_mcdi_wol_filter_reset(struct efx_nic *efx);
+
+#endif /* EFX_MCDI_H */
diff --git a/drivers/net/sfc/mcdi_mac.c b/drivers/net/sfc/mcdi_mac.c
new file mode 100644
index 00000000000..06d24a1e412
--- /dev/null
+++ b/drivers/net/sfc/mcdi_mac.c
@@ -0,0 +1,152 @@
+/****************************************************************************
+ * Driver for Solarflare Solarstorm network controllers and boards
+ * Copyright 2009 Solarflare Communications Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation, incorporated herein by reference.
+ */
+
+#include "net_driver.h"
+#include "efx.h"
+#include "mac.h"
+#include "mcdi.h"
+#include "mcdi_pcol.h"
+
+static int efx_mcdi_set_mac(struct efx_nic *efx)
+{
+	u32 reject, fcntl;
+	u8 cmdbytes[MC_CMD_SET_MAC_IN_LEN];
+
+	memcpy(cmdbytes + MC_CMD_SET_MAC_IN_ADDR_OFST,
+	       efx->net_dev->dev_addr, ETH_ALEN);
+
+	MCDI_SET_DWORD(cmdbytes, SET_MAC_IN_MTU,
+			EFX_MAX_FRAME_LEN(efx->net_dev->mtu));
+	MCDI_SET_DWORD(cmdbytes, SET_MAC_IN_DRAIN, 0);
+
+	/* The MCDI command provides for controlling accept/reject
+	 * of broadcast packets too, but the driver doesn't currently
+	 * expose this. */
+	reject = (efx->promiscuous) ? 0 :
+		(1 << MC_CMD_SET_MAC_IN_REJECT_UNCST_LBN);
+	MCDI_SET_DWORD(cmdbytes, SET_MAC_IN_REJECT, reject);
+
+	switch (efx->wanted_fc) {
+	case EFX_FC_RX | EFX_FC_TX:
+		fcntl = MC_CMD_FCNTL_BIDIR;
+		break;
+	case EFX_FC_RX:
+		fcntl = MC_CMD_FCNTL_RESPOND;
+		break;
+	default:
+		fcntl = MC_CMD_FCNTL_OFF;
+		break;
+	}
+	if (efx->wanted_fc & EFX_FC_AUTO)
+		fcntl = MC_CMD_FCNTL_AUTO;
+
+	MCDI_SET_DWORD(cmdbytes, SET_MAC_IN_FCNTL, fcntl);
+
+	return efx_mcdi_rpc(efx, MC_CMD_SET_MAC, cmdbytes, sizeof(cmdbytes),
+			    NULL, 0, NULL);
+}
+
+static int efx_mcdi_get_mac_faults(struct efx_nic *efx, u32 *faults)
+{
+	u8 outbuf[MC_CMD_GET_LINK_OUT_LEN];
+	size_t outlength;
+	int rc;
+
+	BUILD_BUG_ON(MC_CMD_GET_LINK_IN_LEN != 0);
+
+	rc = efx_mcdi_rpc(efx, MC_CMD_GET_LINK, NULL, 0,
+			  outbuf, sizeof(outbuf), &outlength);
+	if (rc)
+		goto fail;
+
+	*faults = MCDI_DWORD(outbuf, GET_LINK_OUT_MAC_FAULT);
+	return 0;
+
+fail:
+	EFX_ERR(efx, "%s: failed rc=%d\n",
+		__func__, rc);
+	return rc;
+}
+
+int efx_mcdi_mac_stats(struct efx_nic *efx, dma_addr_t dma_addr,
+		       u32 dma_len, int enable, int clear)
+{
+	u8 inbuf[MC_CMD_MAC_STATS_IN_LEN];
+	int rc;
+	efx_dword_t *cmd_ptr;
+	int period = 1000;
+	u32 addr_hi;
+	u32 addr_lo;
+
+	BUILD_BUG_ON(MC_CMD_MAC_STATS_OUT_LEN != 0);
+
+	addr_lo = ((u64)dma_addr) >> 0;
+	addr_hi = ((u64)dma_addr) >> 32;
+
+	MCDI_SET_DWORD(inbuf, MAC_STATS_IN_DMA_ADDR_LO, addr_lo);
+	MCDI_SET_DWORD(inbuf, MAC_STATS_IN_DMA_ADDR_HI, addr_hi);
+	cmd_ptr = (efx_dword_t *)MCDI_PTR(inbuf, MAC_STATS_IN_CMD);
+	if (enable)
+		EFX_POPULATE_DWORD_6(*cmd_ptr,
+				     MC_CMD_MAC_STATS_CMD_DMA, 1,
+				     MC_CMD_MAC_STATS_CMD_CLEAR, clear,
+				     MC_CMD_MAC_STATS_CMD_PERIODIC_CHANGE, 1,
+				     MC_CMD_MAC_STATS_CMD_PERIODIC_ENABLE, 1,
+				     MC_CMD_MAC_STATS_CMD_PERIODIC_CLEAR, 0,
+				     MC_CMD_MAC_STATS_CMD_PERIOD_MS, period);
+	else
+		EFX_POPULATE_DWORD_5(*cmd_ptr,
+				     MC_CMD_MAC_STATS_CMD_DMA, 0,
+				     MC_CMD_MAC_STATS_CMD_CLEAR, clear,
+				     MC_CMD_MAC_STATS_CMD_PERIODIC_CHANGE, 1,
+				     MC_CMD_MAC_STATS_CMD_PERIODIC_ENABLE, 0,
+				     MC_CMD_MAC_STATS_CMD_PERIODIC_CLEAR, 0);
+	MCDI_SET_DWORD(inbuf, MAC_STATS_IN_DMA_LEN, dma_len);
+
+	rc = efx_mcdi_rpc(efx, MC_CMD_MAC_STATS, inbuf, sizeof(inbuf),
+			  NULL, 0, NULL);
+	if (rc)
+		goto fail;
+
+	return 0;
+
+fail:
+	EFX_ERR(efx, "%s: %s failed rc=%d\n",
+		__func__, enable ? "enable" : "disable", rc);
+	return rc;
+}
+
+static int efx_mcdi_mac_reconfigure(struct efx_nic *efx)
+{
+	int rc;
+
+	rc = efx_mcdi_set_mac(efx);
+	if (rc != 0)
+		return rc;
+
+	/* Restore the multicast hash registers. */
+	efx->type->push_multicast_hash(efx);
+
+	return 0;
+}
+
+
+static bool efx_mcdi_mac_check_fault(struct efx_nic *efx)
+{
+	u32 faults;
+	int rc = efx_mcdi_get_mac_faults(efx, &faults);
+	return (rc != 0) || (faults != 0);
+}
+
+
+struct efx_mac_operations efx_mcdi_mac_operations = {
+	.reconfigure	= efx_mcdi_mac_reconfigure,
+	.update_stats	= efx_port_dummy_op_void,
+	.check_fault 	= efx_mcdi_mac_check_fault,
+};
diff --git a/drivers/net/sfc/mcdi_phy.c b/drivers/net/sfc/mcdi_phy.c
new file mode 100644
index 00000000000..0e1bcc5a0d5
--- /dev/null
+++ b/drivers/net/sfc/mcdi_phy.c
@@ -0,0 +1,597 @@
+/****************************************************************************
+ * Driver for Solarflare Solarstorm network controllers and boards
+ * Copyright 2009 Solarflare Communications Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation, incorporated herein by reference.
+ */
+
+/*
+ * Driver for PHY related operations via MCDI.
+ */
+
+#include "efx.h"
+#include "phy.h"
+#include "mcdi.h"
+#include "mcdi_pcol.h"
+#include "mdio_10g.h"
+
+struct efx_mcdi_phy_cfg {
+	u32 flags;
+	u32 type;
+	u32 supported_cap;
+	u32 channel;
+	u32 port;
+	u32 stats_mask;
+	u8 name[20];
+	u32 media;
+	u32 mmd_mask;
+	u8 revision[20];
+	u32 forced_cap;
+};
+
+static int
+efx_mcdi_get_phy_cfg(struct efx_nic *efx, struct efx_mcdi_phy_cfg *cfg)
+{
+	u8 outbuf[MC_CMD_GET_PHY_CFG_OUT_LEN];
+	size_t outlen;
+	int rc;
+
+	BUILD_BUG_ON(MC_CMD_GET_PHY_CFG_IN_LEN != 0);
+	BUILD_BUG_ON(MC_CMD_GET_PHY_CFG_OUT_NAME_LEN != sizeof(cfg->name));
+
+	rc = efx_mcdi_rpc(efx, MC_CMD_GET_PHY_CFG, NULL, 0,
+			  outbuf, sizeof(outbuf), &outlen);
+	if (rc)
+		goto fail;
+
+	if (outlen < MC_CMD_GET_PHY_CFG_OUT_LEN) {
+		rc = -EMSGSIZE;
+		goto fail;
+	}
+
+	cfg->flags = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_FLAGS);
+	cfg->type = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_TYPE);
+	cfg->supported_cap =
+		MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_SUPPORTED_CAP);
+	cfg->channel = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_CHANNEL);
+	cfg->port = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_PRT);
+	cfg->stats_mask = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_STATS_MASK);
+	memcpy(cfg->name, MCDI_PTR(outbuf, GET_PHY_CFG_OUT_NAME),
+	       sizeof(cfg->name));
+	cfg->media = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_MEDIA_TYPE);
+	cfg->mmd_mask = MCDI_DWORD(outbuf, GET_PHY_CFG_OUT_MMD_MASK);
+	memcpy(cfg->revision, MCDI_PTR(outbuf, GET_PHY_CFG_OUT_REVISION),
+	       sizeof(cfg->revision));
+
+	return 0;
+
+fail:
+	EFX_ERR(efx, "%s: failed rc=%d\n", __func__, rc);
+	return rc;
+}
+
+static int efx_mcdi_set_link(struct efx_nic *efx, u32 capabilities,
+			     u32 flags, u32 loopback_mode,
+			     u32 loopback_speed)
+{
+	u8 inbuf[MC_CMD_SET_LINK_IN_LEN];
+	int rc;
+
+	BUILD_BUG_ON(MC_CMD_SET_LINK_OUT_LEN != 0);
+
+	MCDI_SET_DWORD(inbuf, SET_LINK_IN_CAP, capabilities);
+	MCDI_SET_DWORD(inbuf, SET_LINK_IN_FLAGS, flags);
+	MCDI_SET_DWORD(inbuf, SET_LINK_IN_LOOPBACK_MODE, loopback_mode);
+	MCDI_SET_DWORD(inbuf, SET_LINK_IN_LOOPBACK_SPEED, loopback_speed);
+
+	rc = efx_mcdi_rpc(efx, MC_CMD_SET_LINK, inbuf, sizeof(inbuf),
+			  NULL, 0, NULL);
+	if (rc)
+		goto fail;
+
+	return 0;
+
+fail:
+	EFX_ERR(efx, "%s: failed rc=%d\n", __func__, rc);
+	return rc;
+}
+
+static int efx_mcdi_loopback_modes(struct efx_nic *efx, u64 *loopback_modes)
+{
+	u8 outbuf[MC_CMD_GET_LOOPBACK_MODES_OUT_LEN];
+	size_t outlen;
+	int rc;
+
+	rc = efx_mcdi_rpc(efx, MC_CMD_GET_LOOPBACK_MODES, NULL, 0,
+			  outbuf, sizeof(outbuf), &outlen);
+	if (rc)
+		goto fail;
+
+	if (outlen < MC_CMD_GET_LOOPBACK_MODES_OUT_LEN) {
+		rc = -EMSGSIZE;
+		goto fail;
+	}
+
+	*loopback_modes = MCDI_QWORD(outbuf, GET_LOOPBACK_MODES_SUGGESTED);
+
+	return 0;
+
+fail:
+	EFX_ERR(efx, "%s: failed rc=%d\n", __func__, rc);
+	return rc;
+}
+
+int efx_mcdi_mdio_read(struct efx_nic *efx, unsigned int bus,
+			 unsigned int prtad, unsigned int devad, u16 addr,
+			 u16 *value_out, u32 *status_out)
+{
+	u8 inbuf[MC_CMD_MDIO_READ_IN_LEN];
+	u8 outbuf[MC_CMD_MDIO_READ_OUT_LEN];
+	size_t outlen;
+	int rc;
+
+	MCDI_SET_DWORD(inbuf, MDIO_READ_IN_BUS, bus);
+	MCDI_SET_DWORD(inbuf, MDIO_READ_IN_PRTAD, prtad);
+	MCDI_SET_DWORD(inbuf, MDIO_READ_IN_DEVAD, devad);
+	MCDI_SET_DWORD(inbuf, MDIO_READ_IN_ADDR, addr);
+
+	rc = efx_mcdi_rpc(efx, MC_CMD_MDIO_READ, inbuf, sizeof(inbuf),
+			  outbuf, sizeof(outbuf), &outlen);
+	if (rc)
+		goto fail;
+
+	*value_out = (u16)MCDI_DWORD(outbuf, MDIO_READ_OUT_VALUE);
+	*status_out = MCDI_DWORD(outbuf, MDIO_READ_OUT_STATUS);
+	return 0;
+
+fail:
+	EFX_ERR(efx, "%s: failed rc=%d\n", __func__, rc);
+	return rc;
+}
+
+int efx_mcdi_mdio_write(struct efx_nic *efx, unsigned int bus,
+			  unsigned int prtad, unsigned int devad, u16 addr,
+			  u16 value, u32 *status_out)
+{
+	u8 inbuf[MC_CMD_MDIO_WRITE_IN_LEN];
+	u8 outbuf[MC_CMD_MDIO_WRITE_OUT_LEN];
+	size_t outlen;
+	int rc;
+
+	MCDI_SET_DWORD(inbuf, MDIO_WRITE_IN_BUS, bus);
+	MCDI_SET_DWORD(inbuf, MDIO_WRITE_IN_PRTAD, prtad);
+	MCDI_SET_DWORD(inbuf, MDIO_WRITE_IN_DEVAD, devad);
+	MCDI_SET_DWORD(inbuf, MDIO_WRITE_IN_ADDR, addr);
+	MCDI_SET_DWORD(inbuf, MDIO_WRITE_IN_VALUE, value);
+
+	rc = efx_mcdi_rpc(efx, MC_CMD_MDIO_WRITE, inbuf, sizeof(inbuf),
+			  outbuf, sizeof(outbuf), &outlen);
+	if (rc)
+		goto fail;
+
+	*status_out = MCDI_DWORD(outbuf, MDIO_WRITE_OUT_STATUS);
+	return 0;
+
+fail:
+	EFX_ERR(efx, "%s: failed rc=%d\n", __func__, rc);
+	return rc;
+}
+
+static u32 mcdi_to_ethtool_cap(u32 media, u32 cap)
+{
+	u32 result = 0;
+
+	switch (media) {
+	case MC_CMD_MEDIA_KX4:
+		result |= SUPPORTED_Backplane;
+		if (cap & (1 << MC_CMD_PHY_CAP_1000FDX_LBN))
+			result |= SUPPORTED_1000baseKX_Full;
+		if (cap & (1 << MC_CMD_PHY_CAP_10000FDX_LBN))
+			result |= SUPPORTED_10000baseKX4_Full;
+		break;
+
+	case MC_CMD_MEDIA_XFP:
+	case MC_CMD_MEDIA_SFP_PLUS:
+		result |= SUPPORTED_FIBRE;
+		break;
+
+	case MC_CMD_MEDIA_BASE_T:
+		result |= SUPPORTED_TP;
+		if (cap & (1 << MC_CMD_PHY_CAP_10HDX_LBN))
+			result |= SUPPORTED_10baseT_Half;
+		if (cap & (1 << MC_CMD_PHY_CAP_10FDX_LBN))
+			result |= SUPPORTED_10baseT_Full;
+		if (cap & (1 << MC_CMD_PHY_CAP_100HDX_LBN))
+			result |= SUPPORTED_100baseT_Half;
+		if (cap & (1 << MC_CMD_PHY_CAP_100FDX_LBN))
+			result |= SUPPORTED_100baseT_Full;
+		if (cap & (1 << MC_CMD_PHY_CAP_1000HDX_LBN))
+			result |= SUPPORTED_1000baseT_Half;
+		if (cap & (1 << MC_CMD_PHY_CAP_1000FDX_LBN))
+			result |= SUPPORTED_1000baseT_Full;
+		if (cap & (1 << MC_CMD_PHY_CAP_10000FDX_LBN))
+			result |= SUPPORTED_10000baseT_Full;
+		break;
+	}
+
+	if (cap & (1 << MC_CMD_PHY_CAP_PAUSE_LBN))
+		result |= SUPPORTED_Pause;
+	if (cap & (1 << MC_CMD_PHY_CAP_ASYM_LBN))
+		result |= SUPPORTED_Asym_Pause;
+	if (cap & (1 << MC_CMD_PHY_CAP_AN_LBN))
+		result |= SUPPORTED_Autoneg;
+
+	return result;
+}
+
+static u32 ethtool_to_mcdi_cap(u32 cap)
+{
+	u32 result = 0;
+
+	if (cap & SUPPORTED_10baseT_Half)
+		result |= (1 << MC_CMD_PHY_CAP_10HDX_LBN);
+	if (cap & SUPPORTED_10baseT_Full)
+		result |= (1 << MC_CMD_PHY_CAP_10FDX_LBN);
+	if (cap & SUPPORTED_100baseT_Half)
+		result |= (1 << MC_CMD_PHY_CAP_100HDX_LBN);
+	if (cap & SUPPORTED_100baseT_Full)
+		result |= (1 << MC_CMD_PHY_CAP_100FDX_LBN);
+	if (cap & SUPPORTED_1000baseT_Half)
+		result |= (1 << MC_CMD_PHY_CAP_1000HDX_LBN);
+	if (cap & (SUPPORTED_1000baseT_Full | SUPPORTED_1000baseKX_Full))
+		result |= (1 << MC_CMD_PHY_CAP_1000FDX_LBN);
+	if (cap & (SUPPORTED_10000baseT_Full | SUPPORTED_10000baseKX4_Full))
+		result |= (1 << MC_CMD_PHY_CAP_10000FDX_LBN);
+	if (cap & SUPPORTED_Pause)
+		result |= (1 << MC_CMD_PHY_CAP_PAUSE_LBN);
+	if (cap & SUPPORTED_Asym_Pause)
+		result |= (1 << MC_CMD_PHY_CAP_ASYM_LBN);
+	if (cap & SUPPORTED_Autoneg)
+		result |= (1 << MC_CMD_PHY_CAP_AN_LBN);
+
+	return result;
+}
+
+static u32 efx_get_mcdi_phy_flags(struct efx_nic *efx)
+{
+	struct efx_mcdi_phy_cfg *phy_cfg = efx->phy_data;
+	enum efx_phy_mode mode, supported;
+	u32 flags;
+
+	/* TODO: Advertise the capabilities supported by this PHY */
+	supported = 0;
+	if (phy_cfg->flags & (1 << MC_CMD_GET_PHY_CFG_TXDIS_LBN))
+		supported |= PHY_MODE_TX_DISABLED;
+	if (phy_cfg->flags & (1 << MC_CMD_GET_PHY_CFG_LOWPOWER_LBN))
+		supported |= PHY_MODE_LOW_POWER;
+	if (phy_cfg->flags & (1 << MC_CMD_GET_PHY_CFG_POWEROFF_LBN))
+		supported |= PHY_MODE_OFF;
+
+	mode = efx->phy_mode & supported;
+
+	flags = 0;
+	if (mode & PHY_MODE_TX_DISABLED)
+		flags |= (1 << MC_CMD_SET_LINK_TXDIS_LBN);
+	if (mode & PHY_MODE_LOW_POWER)
+		flags |= (1 << MC_CMD_SET_LINK_LOWPOWER_LBN);
+	if (mode & PHY_MODE_OFF)
+		flags |= (1 << MC_CMD_SET_LINK_POWEROFF_LBN);
+
+	return flags;
+}
+
+static u32 mcdi_to_ethtool_media(u32 media)
+{
+	switch (media) {
+	case MC_CMD_MEDIA_XAUI:
+	case MC_CMD_MEDIA_CX4:
+	case MC_CMD_MEDIA_KX4:
+		return PORT_OTHER;
+
+	case MC_CMD_MEDIA_XFP:
+	case MC_CMD_MEDIA_SFP_PLUS:
+		return PORT_FIBRE;
+
+	case MC_CMD_MEDIA_BASE_T:
+		return PORT_TP;
+
+	default:
+		return PORT_OTHER;
+	}
+}
+
+static int efx_mcdi_phy_probe(struct efx_nic *efx)
+{
+	struct efx_mcdi_phy_cfg *phy_cfg;
+	int rc;
+
+	/* TODO: Move phy_data initialisation to
+	 * phy_op->probe/remove, rather than init/fini */
+	phy_cfg = kzalloc(sizeof(*phy_cfg), GFP_KERNEL);
+	if (phy_cfg == NULL) {
+		rc = -ENOMEM;
+		goto fail_alloc;
+	}
+	rc = efx_mcdi_get_phy_cfg(efx, phy_cfg);
+	if (rc != 0)
+		goto fail;
+
+	efx->phy_type = phy_cfg->type;
+
+	efx->mdio_bus = phy_cfg->channel;
+	efx->mdio.prtad = phy_cfg->port;
+	efx->mdio.mmds = phy_cfg->mmd_mask & ~(1 << MC_CMD_MMD_CLAUSE22);
+	efx->mdio.mode_support = 0;
+	if (phy_cfg->mmd_mask & (1 << MC_CMD_MMD_CLAUSE22))
+		efx->mdio.mode_support |= MDIO_SUPPORTS_C22;
+	if (phy_cfg->mmd_mask & ~(1 << MC_CMD_MMD_CLAUSE22))
+		efx->mdio.mode_support |= MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
+
+	/* Assert that we can map efx -> mcdi loopback modes */
+	BUILD_BUG_ON(LOOPBACK_NONE != MC_CMD_LOOPBACK_NONE);
+	BUILD_BUG_ON(LOOPBACK_DATA != MC_CMD_LOOPBACK_DATA);
+	BUILD_BUG_ON(LOOPBACK_GMAC != MC_CMD_LOOPBACK_GMAC);
+	BUILD_BUG_ON(LOOPBACK_XGMII != MC_CMD_LOOPBACK_XGMII);
+	BUILD_BUG_ON(LOOPBACK_XGXS != MC_CMD_LOOPBACK_XGXS);
+	BUILD_BUG_ON(LOOPBACK_XAUI != MC_CMD_LOOPBACK_XAUI);
+	BUILD_BUG_ON(LOOPBACK_GMII != MC_CMD_LOOPBACK_GMII);
+	BUILD_BUG_ON(LOOPBACK_SGMII != MC_CMD_LOOPBACK_SGMII);
+	BUILD_BUG_ON(LOOPBACK_XGBR != MC_CMD_LOOPBACK_XGBR);
+	BUILD_BUG_ON(LOOPBACK_XFI != MC_CMD_LOOPBACK_XFI);
+	BUILD_BUG_ON(LOOPBACK_XAUI_FAR != MC_CMD_LOOPBACK_XAUI_FAR);
+	BUILD_BUG_ON(LOOPBACK_GMII_FAR != MC_CMD_LOOPBACK_GMII_FAR);
+	BUILD_BUG_ON(LOOPBACK_SGMII_FAR != MC_CMD_LOOPBACK_SGMII_FAR);
+	BUILD_BUG_ON(LOOPBACK_XFI_FAR != MC_CMD_LOOPBACK_XFI_FAR);
+	BUILD_BUG_ON(LOOPBACK_GPHY != MC_CMD_LOOPBACK_GPHY);
+	BUILD_BUG_ON(LOOPBACK_PHYXS != MC_CMD_LOOPBACK_PHYXS);
+	BUILD_BUG_ON(LOOPBACK_PCS != MC_CMD_LOOPBACK_PCS);
+	BUILD_BUG_ON(LOOPBACK_PMAPMD != MC_CMD_LOOPBACK_PMAPMD);
+	BUILD_BUG_ON(LOOPBACK_XPORT != MC_CMD_LOOPBACK_XPORT);
+	BUILD_BUG_ON(LOOPBACK_XGMII_WS != MC_CMD_LOOPBACK_XGMII_WS);
+	BUILD_BUG_ON(LOOPBACK_XAUI_WS != MC_CMD_LOOPBACK_XAUI_WS);
+	BUILD_BUG_ON(LOOPBACK_XAUI_WS_FAR != MC_CMD_LOOPBACK_XAUI_WS_FAR);
+	BUILD_BUG_ON(LOOPBACK_XAUI_WS_NEAR != MC_CMD_LOOPBACK_XAUI_WS_NEAR);
+	BUILD_BUG_ON(LOOPBACK_GMII_WS != MC_CMD_LOOPBACK_GMII_WS);
+	BUILD_BUG_ON(LOOPBACK_XFI_WS != MC_CMD_LOOPBACK_XFI_WS);
+	BUILD_BUG_ON(LOOPBACK_XFI_WS_FAR != MC_CMD_LOOPBACK_XFI_WS_FAR);
+	BUILD_BUG_ON(LOOPBACK_PHYXS_WS != MC_CMD_LOOPBACK_PHYXS_WS);
+
+	rc = efx_mcdi_loopback_modes(efx, &efx->loopback_modes);
+	if (rc != 0)
+		goto fail;
+	/* The MC indicates that LOOPBACK_NONE is a valid loopback mode,
+	 * but by convention we don't */
+	efx->loopback_modes &= ~(1 << LOOPBACK_NONE);
+
+	kfree(phy_cfg);
+
+	return 0;
+
+fail:
+	kfree(phy_cfg);
+fail_alloc:
+	return rc;
+}
+
+static int efx_mcdi_phy_init(struct efx_nic *efx)
+{
+	struct efx_mcdi_phy_cfg *phy_data;
+	u8 outbuf[MC_CMD_GET_LINK_OUT_LEN];
+	u32 caps;
+	int rc;
+
+	phy_data = kzalloc(sizeof(*phy_data), GFP_KERNEL);
+	if (phy_data == NULL)
+		return -ENOMEM;
+
+	rc = efx_mcdi_get_phy_cfg(efx, phy_data);
+	if (rc != 0)
+		goto fail;
+
+	efx->phy_data = phy_data;
+
+	BUILD_BUG_ON(MC_CMD_GET_LINK_IN_LEN != 0);
+	rc = efx_mcdi_rpc(efx, MC_CMD_GET_LINK, NULL, 0,
+			  outbuf, sizeof(outbuf), NULL);
+	if (rc)
+		goto fail;
+
+	caps = MCDI_DWORD(outbuf, GET_LINK_OUT_CAP);
+	if (caps & (1 << MC_CMD_PHY_CAP_AN_LBN))
+		efx->link_advertising =
+			mcdi_to_ethtool_cap(phy_data->media, caps);
+	else
+		phy_data->forced_cap = caps;
+
+	return 0;
+
+fail:
+	kfree(phy_data);
+	return rc;
+}
+
+int efx_mcdi_phy_reconfigure(struct efx_nic *efx)
+{
+	struct efx_mcdi_phy_cfg *phy_cfg = efx->phy_data;
+	u32 caps = (efx->link_advertising ?
+		    ethtool_to_mcdi_cap(efx->link_advertising) :
+		    phy_cfg->forced_cap);
+
+	return efx_mcdi_set_link(efx, caps, efx_get_mcdi_phy_flags(efx),
+				 efx->loopback_mode, 0);
+}
+
+void efx_mcdi_phy_decode_link(struct efx_nic *efx,
+			      struct efx_link_state *link_state,
+			      u32 speed, u32 flags, u32 fcntl)
+{
+	switch (fcntl) {
+	case MC_CMD_FCNTL_AUTO:
+		WARN_ON(1);	/* This is not a link mode */
+		link_state->fc = EFX_FC_AUTO | EFX_FC_TX | EFX_FC_RX;
+		break;
+	case MC_CMD_FCNTL_BIDIR:
+		link_state->fc = EFX_FC_TX | EFX_FC_RX;
+		break;
+	case MC_CMD_FCNTL_RESPOND:
+		link_state->fc = EFX_FC_RX;
+		break;
+	default:
+		WARN_ON(1);
+	case MC_CMD_FCNTL_OFF:
+		link_state->fc = 0;
+		break;
+	}
+
+	link_state->up = !!(flags & (1 << MC_CMD_GET_LINK_LINK_UP_LBN));
+	link_state->fd = !!(flags & (1 << MC_CMD_GET_LINK_FULL_DUPLEX_LBN));
+	link_state->speed = speed;
+}
+
+/* Verify that the forced flow control settings (!EFX_FC_AUTO) are
+ * supported by the link partner. Warn the user if this isn't the case
+ */
+void efx_mcdi_phy_check_fcntl(struct efx_nic *efx, u32 lpa)
+{
+	struct efx_mcdi_phy_cfg *phy_cfg = efx->phy_data;
+	u32 rmtadv;
+
+	/* The link partner capabilities are only relevent if the
+	 * link supports flow control autonegotiation */
+	if (~phy_cfg->supported_cap & (1 << MC_CMD_PHY_CAP_ASYM_LBN))
+		return;
+
+	/* If flow control autoneg is supported and enabled, then fine */
+	if (efx->wanted_fc & EFX_FC_AUTO)
+		return;
+
+	rmtadv = 0;
+	if (lpa & (1 << MC_CMD_PHY_CAP_PAUSE_LBN))
+		rmtadv |= ADVERTISED_Pause;
+	if (lpa & (1 << MC_CMD_PHY_CAP_ASYM_LBN))
+		rmtadv |=  ADVERTISED_Asym_Pause;
+
+	if ((efx->wanted_fc & EFX_FC_TX) && rmtadv == ADVERTISED_Asym_Pause)
+		EFX_ERR(efx, "warning: link partner doesn't support "
+			"pause frames");
+}
+
+static bool efx_mcdi_phy_poll(struct efx_nic *efx)
+{
+	struct efx_link_state old_state = efx->link_state;
+	u8 outbuf[MC_CMD_GET_LINK_OUT_LEN];
+	int rc;
+
+	WARN_ON(!mutex_is_locked(&efx->mac_lock));
+
+	BUILD_BUG_ON(MC_CMD_GET_LINK_IN_LEN != 0);
+
+	rc = efx_mcdi_rpc(efx, MC_CMD_GET_LINK, NULL, 0,
+			  outbuf, sizeof(outbuf), NULL);
+	if (rc) {
+		EFX_ERR(efx, "%s: failed rc=%d\n", __func__, rc);
+		efx->link_state.up = false;
+	} else {
+		efx_mcdi_phy_decode_link(
+			efx, &efx->link_state,
+			MCDI_DWORD(outbuf, GET_LINK_OUT_LINK_SPEED),
+			MCDI_DWORD(outbuf, GET_LINK_OUT_FLAGS),
+			MCDI_DWORD(outbuf, GET_LINK_OUT_FCNTL));
+	}
+
+	return !efx_link_state_equal(&efx->link_state, &old_state);
+}
+
+static void efx_mcdi_phy_fini(struct efx_nic *efx)
+{
+	struct efx_mcdi_phy_data *phy_data = efx->phy_data;
+
+	efx->phy_data = NULL;
+	kfree(phy_data);
+}
+
+static void efx_mcdi_phy_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
+{
+	struct efx_mcdi_phy_cfg *phy_cfg = efx->phy_data;
+	u8 outbuf[MC_CMD_GET_LINK_OUT_LEN];
+	int rc;
+
+	ecmd->supported =
+		mcdi_to_ethtool_cap(phy_cfg->media, phy_cfg->supported_cap);
+	ecmd->advertising = efx->link_advertising;
+	ecmd->speed = efx->link_state.speed;
+	ecmd->duplex = efx->link_state.fd;
+	ecmd->port = mcdi_to_ethtool_media(phy_cfg->media);
+	ecmd->phy_address = phy_cfg->port;
+	ecmd->transceiver = XCVR_INTERNAL;
+	ecmd->autoneg = !!(efx->link_advertising & ADVERTISED_Autoneg);
+	ecmd->mdio_support = (efx->mdio.mode_support &
+			      (MDIO_SUPPORTS_C45 | MDIO_SUPPORTS_C22));
+
+	BUILD_BUG_ON(MC_CMD_GET_LINK_IN_LEN != 0);
+	rc = efx_mcdi_rpc(efx, MC_CMD_GET_LINK, NULL, 0,
+			  outbuf, sizeof(outbuf), NULL);
+	if (rc) {
+		EFX_ERR(efx, "%s: failed rc=%d\n", __func__, rc);
+		return;
+	}
+	ecmd->lp_advertising =
+		mcdi_to_ethtool_cap(phy_cfg->media,
+				    MCDI_DWORD(outbuf, GET_LINK_OUT_LP_CAP));
+}
+
+static int efx_mcdi_phy_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
+{
+	struct efx_mcdi_phy_cfg *phy_cfg = efx->phy_data;
+	u32 caps;
+	int rc;
+
+	if (ecmd->autoneg) {
+		caps = (ethtool_to_mcdi_cap(ecmd->advertising) |
+			 1 << MC_CMD_PHY_CAP_AN_LBN);
+	} else if (ecmd->duplex) {
+		switch (ecmd->speed) {
+		case 10:    caps = 1 << MC_CMD_PHY_CAP_10FDX_LBN;    break;
+		case 100:   caps = 1 << MC_CMD_PHY_CAP_100FDX_LBN;   break;
+		case 1000:  caps = 1 << MC_CMD_PHY_CAP_1000FDX_LBN;  break;
+		case 10000: caps = 1 << MC_CMD_PHY_CAP_10000FDX_LBN; break;
+		default:    return -EINVAL;
+		}
+	} else {
+		switch (ecmd->speed) {
+		case 10:    caps = 1 << MC_CMD_PHY_CAP_10HDX_LBN;    break;
+		case 100:   caps = 1 << MC_CMD_PHY_CAP_100HDX_LBN;   break;
+		case 1000:  caps = 1 << MC_CMD_PHY_CAP_1000HDX_LBN;  break;
+		default:    return -EINVAL;
+		}
+	}
+
+	rc = efx_mcdi_set_link(efx, caps, efx_get_mcdi_phy_flags(efx),
+			       efx->loopback_mode, 0);
+	if (rc)
+		return rc;
+
+	if (ecmd->autoneg) {
+		efx_link_set_advertising(
+			efx, ecmd->advertising | ADVERTISED_Autoneg);
+		phy_cfg->forced_cap = 0;
+	} else {
+		efx_link_set_advertising(efx, 0);
+		phy_cfg->forced_cap = caps;
+	}
+	return 0;
+}
+
+struct efx_phy_operations efx_mcdi_phy_ops = {
+	.probe		= efx_mcdi_phy_probe,
+	.init 	 	= efx_mcdi_phy_init,
+	.reconfigure	= efx_mcdi_phy_reconfigure,
+	.poll		= efx_mcdi_phy_poll,
+	.fini		= efx_mcdi_phy_fini,
+	.get_settings	= efx_mcdi_phy_get_settings,
+	.set_settings	= efx_mcdi_phy_set_settings,
+	.run_tests	= NULL,
+	.test_name	= NULL,
+};
diff --git a/drivers/net/sfc/siena.c b/drivers/net/sfc/siena.c
new file mode 100644
index 00000000000..de07a4f031b
--- /dev/null
+++ b/drivers/net/sfc/siena.c
@@ -0,0 +1,604 @@
+/****************************************************************************
+ * Driver for Solarflare Solarstorm network controllers and boards
+ * Copyright 2005-2006 Fen Systems Ltd.
+ * Copyright 2006-2009 Solarflare Communications Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation, incorporated herein by reference.
+ */
+
+#include <linux/bitops.h>
+#include <linux/delay.h>
+#include <linux/pci.h>
+#include <linux/module.h>
+#include "net_driver.h"
+#include "bitfield.h"
+#include "efx.h"
+#include "nic.h"
+#include "mac.h"
+#include "spi.h"
+#include "regs.h"
+#include "io.h"
+#include "phy.h"
+#include "workarounds.h"
+#include "mcdi.h"
+#include "mcdi_pcol.h"
+
+/* Hardware control for SFC9000 family including SFL9021 (aka Siena). */
+
+static void siena_init_wol(struct efx_nic *efx);
+
+
+static void siena_push_irq_moderation(struct efx_channel *channel)
+{
+	efx_dword_t timer_cmd;
+
+	if (channel->irq_moderation)
+		EFX_POPULATE_DWORD_2(timer_cmd,
+				     FRF_CZ_TC_TIMER_MODE,
+				     FFE_CZ_TIMER_MODE_INT_HLDOFF,
+				     FRF_CZ_TC_TIMER_VAL,
+				     channel->irq_moderation - 1);
+	else
+		EFX_POPULATE_DWORD_2(timer_cmd,
+				     FRF_CZ_TC_TIMER_MODE,
+				     FFE_CZ_TIMER_MODE_DIS,
+				     FRF_CZ_TC_TIMER_VAL, 0);
+	efx_writed_page_locked(channel->efx, &timer_cmd, FR_BZ_TIMER_COMMAND_P0,
+			       channel->channel);
+}
+
+static void siena_push_multicast_hash(struct efx_nic *efx)
+{
+	WARN_ON(!mutex_is_locked(&efx->mac_lock));
+
+	efx_mcdi_rpc(efx, MC_CMD_SET_MCAST_HASH,
+		     efx->multicast_hash.byte, sizeof(efx->multicast_hash),
+		     NULL, 0, NULL);
+}
+
+static int siena_mdio_write(struct net_device *net_dev,
+			    int prtad, int devad, u16 addr, u16 value)
+{
+	struct efx_nic *efx = netdev_priv(net_dev);
+	uint32_t status;
+	int rc;
+
+	rc = efx_mcdi_mdio_write(efx, efx->mdio_bus, prtad, devad,
+				 addr, value, &status);
+	if (rc)
+		return rc;
+	if (status != MC_CMD_MDIO_STATUS_GOOD)
+		return -EIO;
+
+	return 0;
+}
+
+static int siena_mdio_read(struct net_device *net_dev,
+			   int prtad, int devad, u16 addr)
+{
+	struct efx_nic *efx = netdev_priv(net_dev);
+	uint16_t value;
+	uint32_t status;
+	int rc;
+
+	rc = efx_mcdi_mdio_read(efx, efx->mdio_bus, prtad, devad,
+				addr, &value, &status);
+	if (rc)
+		return rc;
+	if (status != MC_CMD_MDIO_STATUS_GOOD)
+		return -EIO;
+
+	return (int)value;
+}
+
+/* This call is responsible for hooking in the MAC and PHY operations */
+static int siena_probe_port(struct efx_nic *efx)
+{
+	int rc;
+
+	/* Hook in PHY operations table */
+	efx->phy_op = &efx_mcdi_phy_ops;
+
+	/* Set up MDIO structure for PHY */
+	efx->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
+	efx->mdio.mdio_read = siena_mdio_read;
+	efx->mdio.mdio_write = siena_mdio_write;
+
+	/* Fill out MDIO structure and loopback modes */
+	rc = efx->phy_op->probe(efx);
+	if (rc != 0)
+		return rc;
+
+	/* Initial assumption */
+	efx->link_state.speed = 10000;
+	efx->link_state.fd = true;
+	efx->wanted_fc = EFX_FC_RX | EFX_FC_TX;
+
+	/* Allocate buffer for stats */
+	rc = efx_nic_alloc_buffer(efx, &efx->stats_buffer,
+				  MC_CMD_MAC_NSTATS * sizeof(u64));
+	if (rc)
+		return rc;
+	EFX_LOG(efx, "stats buffer at %llx (virt %p phys %llx)\n",
+		(u64)efx->stats_buffer.dma_addr,
+		efx->stats_buffer.addr,
+		(u64)virt_to_phys(efx->stats_buffer.addr));
+
+	efx_mcdi_mac_stats(efx, efx->stats_buffer.dma_addr, 0, 0, 1);
+
+	return 0;
+}
+
+void siena_remove_port(struct efx_nic *efx)
+{
+	efx_nic_free_buffer(efx, &efx->stats_buffer);
+}
+
+static const struct efx_nic_register_test siena_register_tests[] = {
+	{ FR_AZ_ADR_REGION,
+	  EFX_OWORD32(0x0001FFFF, 0x0001FFFF, 0x0001FFFF, 0x0001FFFF) },
+	{ FR_CZ_USR_EV_CFG,
+	  EFX_OWORD32(0x000103FF, 0x00000000, 0x00000000, 0x00000000) },
+	{ FR_AZ_RX_CFG,
+	  EFX_OWORD32(0xFFFFFFFE, 0xFFFFFFFF, 0x0003FFFF, 0x00000000) },
+	{ FR_AZ_TX_CFG,
+	  EFX_OWORD32(0x7FFF0037, 0xFFFF8000, 0xFFFFFFFF, 0x03FFFFFF) },
+	{ FR_AZ_TX_RESERVED,
+	  EFX_OWORD32(0xFFFEFE80, 0x1FFFFFFF, 0x020000FE, 0x007FFFFF) },
+	{ FR_AZ_SRM_TX_DC_CFG,
+	  EFX_OWORD32(0x001FFFFF, 0x00000000, 0x00000000, 0x00000000) },
+	{ FR_AZ_RX_DC_CFG,
+	  EFX_OWORD32(0x00000003, 0x00000000, 0x00000000, 0x00000000) },
+	{ FR_AZ_RX_DC_PF_WM,
+	  EFX_OWORD32(0x000003FF, 0x00000000, 0x00000000, 0x00000000) },
+	{ FR_BZ_DP_CTRL,
+	  EFX_OWORD32(0x00000FFF, 0x00000000, 0x00000000, 0x00000000) },
+	{ FR_BZ_RX_RSS_TKEY,
+	  EFX_OWORD32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF) },
+	{ FR_CZ_RX_RSS_IPV6_REG1,
+	  EFX_OWORD32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF) },
+	{ FR_CZ_RX_RSS_IPV6_REG2,
+	  EFX_OWORD32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF) },
+	{ FR_CZ_RX_RSS_IPV6_REG3,
+	  EFX_OWORD32(0xFFFFFFFF, 0xFFFFFFFF, 0x00000007, 0x00000000) },
+};
+
+static int siena_test_registers(struct efx_nic *efx)
+{
+	return efx_nic_test_registers(efx, siena_register_tests,
+				      ARRAY_SIZE(siena_register_tests));
+}
+
+/**************************************************************************
+ *
+ * Device reset
+ *
+ **************************************************************************
+ */
+
+static int siena_reset_hw(struct efx_nic *efx, enum reset_type method)
+{
+
+	if (method == RESET_TYPE_WORLD)
+		return efx_mcdi_reset_mc(efx);
+	else
+		return efx_mcdi_reset_port(efx);
+}
+
+static int siena_probe_nvconfig(struct efx_nic *efx)
+{
+	int rc;
+
+	rc = efx_mcdi_get_board_cfg(efx, efx->mac_address, NULL);
+	if (rc)
+		return rc;
+
+	return 0;
+}
+
+static int siena_probe_nic(struct efx_nic *efx)
+{
+	struct siena_nic_data *nic_data;
+	bool already_attached = 0;
+	int rc;
+
+	/* Allocate storage for hardware specific data */
+	nic_data = kzalloc(sizeof(struct siena_nic_data), GFP_KERNEL);
+	if (!nic_data)
+		return -ENOMEM;
+	efx->nic_data = nic_data;
+
+	if (efx_nic_fpga_ver(efx) != 0) {
+		EFX_ERR(efx, "Siena FPGA not supported\n");
+		rc = -ENODEV;
+		goto fail1;
+	}
+
+	efx_mcdi_init(efx);
+
+	/* Recover from a failed assertion before probing */
+	rc = efx_mcdi_handle_assertion(efx);
+	if (rc)
+		goto fail1;
+
+	rc = efx_mcdi_fwver(efx, &nic_data->fw_version, &nic_data->fw_build);
+	if (rc) {
+		EFX_ERR(efx, "Failed to read MCPU firmware version - "
+			"rc %d\n", rc);
+		goto fail1; /* MCPU absent? */
+	}
+
+	/* Let the BMC know that the driver is now in charge of link and
+	 * filter settings. We must do this before we reset the NIC */
+	rc = efx_mcdi_drv_attach(efx, true, &already_attached);
+	if (rc) {
+		EFX_ERR(efx, "Unable to register driver with MCPU\n");
+		goto fail2;
+	}
+	if (already_attached)
+		/* Not a fatal error */
+		EFX_ERR(efx, "Host already registered with MCPU\n");
+
+	/* Now we can reset the NIC */
+	rc = siena_reset_hw(efx, RESET_TYPE_ALL);
+	if (rc) {
+		EFX_ERR(efx, "failed to reset NIC\n");
+		goto fail3;
+	}
+
+	siena_init_wol(efx);
+
+	/* Allocate memory for INT_KER */
+	rc = efx_nic_alloc_buffer(efx, &efx->irq_status, sizeof(efx_oword_t));
+	if (rc)
+		goto fail4;
+	BUG_ON(efx->irq_status.dma_addr & 0x0f);
+
+	EFX_LOG(efx, "INT_KER at %llx (virt %p phys %llx)\n",
+		(unsigned long long)efx->irq_status.dma_addr,
+		efx->irq_status.addr,
+		(unsigned long long)virt_to_phys(efx->irq_status.addr));
+
+	/* Read in the non-volatile configuration */
+	rc = siena_probe_nvconfig(efx);
+	if (rc == -EINVAL) {
+		EFX_ERR(efx, "NVRAM is invalid therefore using defaults\n");
+		efx->phy_type = PHY_TYPE_NONE;
+		efx->mdio.prtad = MDIO_PRTAD_NONE;
+	} else if (rc) {
+		goto fail5;
+	}
+
+	return 0;
+
+fail5:
+	efx_nic_free_buffer(efx, &efx->irq_status);
+fail4:
+fail3:
+	efx_mcdi_drv_attach(efx, false, NULL);
+fail2:
+fail1:
+	kfree(efx->nic_data);
+	return rc;
+}
+
+/* This call performs hardware-specific global initialisation, such as
+ * defining the descriptor cache sizes and number of RSS channels.
+ * It does not set up any buffers, descriptor rings or event queues.
+ */
+static int siena_init_nic(struct efx_nic *efx)
+{
+	efx_oword_t temp;
+	int rc;
+
+	/* Recover from a failed assertion post-reset */
+	rc = efx_mcdi_handle_assertion(efx);
+	if (rc)
+		return rc;
+
+	/* Squash TX of packets of 16 bytes or less */
+	efx_reado(efx, &temp, FR_AZ_TX_RESERVED);
+	EFX_SET_OWORD_FIELD(temp, FRF_BZ_TX_FLUSH_MIN_LEN_EN, 1);
+	efx_writeo(efx, &temp, FR_AZ_TX_RESERVED);
+
+	/* Do not enable TX_NO_EOP_DISC_EN, since it limits packets to 16
+	 * descriptors (which is bad).
+	 */
+	efx_reado(efx, &temp, FR_AZ_TX_CFG);
+	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_NO_EOP_DISC_EN, 0);
+	EFX_SET_OWORD_FIELD(temp, FRF_CZ_TX_FILTER_EN_BIT, 1);
+	efx_writeo(efx, &temp, FR_AZ_TX_CFG);
+
+	efx_reado(efx, &temp, FR_AZ_RX_CFG);
+	EFX_SET_OWORD_FIELD(temp, FRF_BZ_RX_DESC_PUSH_EN, 0);
+	EFX_SET_OWORD_FIELD(temp, FRF_BZ_RX_INGR_EN, 1);
+	efx_writeo(efx, &temp, FR_AZ_RX_CFG);
+
+	if (efx_nic_rx_xoff_thresh >= 0 || efx_nic_rx_xon_thresh >= 0)
+		/* No MCDI operation has been defined to set thresholds */
+		EFX_ERR(efx, "ignoring RX flow control thresholds\n");
+
+	/* Enable event logging */
+	rc = efx_mcdi_log_ctrl(efx, true, false, 0);
+	if (rc)
+		return rc;
+
+	/* Set destination of both TX and RX Flush events */
+	EFX_POPULATE_OWORD_1(temp, FRF_BZ_FLS_EVQ_ID, 0);
+	efx_writeo(efx, &temp, FR_BZ_DP_CTRL);
+
+	EFX_POPULATE_OWORD_1(temp, FRF_CZ_USREV_DIS, 1);
+	efx_writeo(efx, &temp, FR_CZ_USR_EV_CFG);
+
+	efx_nic_init_common(efx);
+	return 0;
+}
+
+static void siena_remove_nic(struct efx_nic *efx)
+{
+	efx_nic_free_buffer(efx, &efx->irq_status);
+
+	siena_reset_hw(efx, RESET_TYPE_ALL);
+
+	/* Relinquish the device back to the BMC */
+	if (efx_nic_has_mc(efx))
+		efx_mcdi_drv_attach(efx, false, NULL);
+
+	/* Tear down the private nic state */
+	kfree(efx->nic_data);
+	efx->nic_data = NULL;
+}
+
+#define STATS_GENERATION_INVALID ((u64)(-1))
+
+static int siena_try_update_nic_stats(struct efx_nic *efx)
+{
+	u64 *dma_stats;
+	struct efx_mac_stats *mac_stats;
+	u64 generation_start;
+	u64 generation_end;
+
+	mac_stats = &efx->mac_stats;
+	dma_stats = (u64 *)efx->stats_buffer.addr;
+
+	generation_end = dma_stats[MC_CMD_MAC_GENERATION_END];
+	if (generation_end == STATS_GENERATION_INVALID)
+		return 0;
+	rmb();
+
+#define MAC_STAT(M, D) \
+	mac_stats->M = dma_stats[MC_CMD_MAC_ ## D]
+
+	MAC_STAT(tx_bytes, TX_BYTES);
+	MAC_STAT(tx_bad_bytes, TX_BAD_BYTES);
+	mac_stats->tx_good_bytes = (mac_stats->tx_bytes -
+				    mac_stats->tx_bad_bytes);
+	MAC_STAT(tx_packets, TX_PKTS);
+	MAC_STAT(tx_bad, TX_BAD_FCS_PKTS);
+	MAC_STAT(tx_pause, TX_PAUSE_PKTS);
+	MAC_STAT(tx_control, TX_CONTROL_PKTS);
+	MAC_STAT(tx_unicast, TX_UNICAST_PKTS);
+	MAC_STAT(tx_multicast, TX_MULTICAST_PKTS);
+	MAC_STAT(tx_broadcast, TX_BROADCAST_PKTS);
+	MAC_STAT(tx_lt64, TX_LT64_PKTS);
+	MAC_STAT(tx_64, TX_64_PKTS);
+	MAC_STAT(tx_65_to_127, TX_65_TO_127_PKTS);
+	MAC_STAT(tx_128_to_255, TX_128_TO_255_PKTS);
+	MAC_STAT(tx_256_to_511, TX_256_TO_511_PKTS);
+	MAC_STAT(tx_512_to_1023, TX_512_TO_1023_PKTS);
+	MAC_STAT(tx_1024_to_15xx, TX_1024_TO_15XX_PKTS);
+	MAC_STAT(tx_15xx_to_jumbo, TX_15XX_TO_JUMBO_PKTS);
+	MAC_STAT(tx_gtjumbo, TX_GTJUMBO_PKTS);
+	mac_stats->tx_collision = 0;
+	MAC_STAT(tx_single_collision, TX_SINGLE_COLLISION_PKTS);
+	MAC_STAT(tx_multiple_collision, TX_MULTIPLE_COLLISION_PKTS);
+	MAC_STAT(tx_excessive_collision, TX_EXCESSIVE_COLLISION_PKTS);
+	MAC_STAT(tx_deferred, TX_DEFERRED_PKTS);
+	MAC_STAT(tx_late_collision, TX_LATE_COLLISION_PKTS);
+	mac_stats->tx_collision = (mac_stats->tx_single_collision +
+				   mac_stats->tx_multiple_collision +
+				   mac_stats->tx_excessive_collision +
+				   mac_stats->tx_late_collision);
+	MAC_STAT(tx_excessive_deferred, TX_EXCESSIVE_DEFERRED_PKTS);
+	MAC_STAT(tx_non_tcpudp, TX_NON_TCPUDP_PKTS);
+	MAC_STAT(tx_mac_src_error, TX_MAC_SRC_ERR_PKTS);
+	MAC_STAT(tx_ip_src_error, TX_IP_SRC_ERR_PKTS);
+	MAC_STAT(rx_bytes, RX_BYTES);
+	MAC_STAT(rx_bad_bytes, RX_BAD_BYTES);
+	mac_stats->rx_good_bytes = (mac_stats->rx_bytes -
+				    mac_stats->rx_bad_bytes);
+	MAC_STAT(rx_packets, RX_PKTS);
+	MAC_STAT(rx_good, RX_GOOD_PKTS);
+	mac_stats->rx_bad = mac_stats->rx_packets - mac_stats->rx_good;
+	MAC_STAT(rx_pause, RX_PAUSE_PKTS);
+	MAC_STAT(rx_control, RX_CONTROL_PKTS);
+	MAC_STAT(rx_unicast, RX_UNICAST_PKTS);
+	MAC_STAT(rx_multicast, RX_MULTICAST_PKTS);
+	MAC_STAT(rx_broadcast, RX_BROADCAST_PKTS);
+	MAC_STAT(rx_lt64, RX_UNDERSIZE_PKTS);
+	MAC_STAT(rx_64, RX_64_PKTS);
+	MAC_STAT(rx_65_to_127, RX_65_TO_127_PKTS);
+	MAC_STAT(rx_128_to_255, RX_128_TO_255_PKTS);
+	MAC_STAT(rx_256_to_511, RX_256_TO_511_PKTS);
+	MAC_STAT(rx_512_to_1023, RX_512_TO_1023_PKTS);
+	MAC_STAT(rx_1024_to_15xx, RX_1024_TO_15XX_PKTS);
+	MAC_STAT(rx_15xx_to_jumbo, RX_15XX_TO_JUMBO_PKTS);
+	MAC_STAT(rx_gtjumbo, RX_GTJUMBO_PKTS);
+	mac_stats->rx_bad_lt64 = 0;
+	mac_stats->rx_bad_64_to_15xx = 0;
+	mac_stats->rx_bad_15xx_to_jumbo = 0;
+	MAC_STAT(rx_bad_gtjumbo, RX_JABBER_PKTS);
+	MAC_STAT(rx_overflow, RX_OVERFLOW_PKTS);
+	mac_stats->rx_missed = 0;
+	MAC_STAT(rx_false_carrier, RX_FALSE_CARRIER_PKTS);
+	MAC_STAT(rx_symbol_error, RX_SYMBOL_ERROR_PKTS);
+	MAC_STAT(rx_align_error, RX_ALIGN_ERROR_PKTS);
+	MAC_STAT(rx_length_error, RX_LENGTH_ERROR_PKTS);
+	MAC_STAT(rx_internal_error, RX_INTERNAL_ERROR_PKTS);
+	mac_stats->rx_good_lt64 = 0;
+
+	efx->n_rx_nodesc_drop_cnt = dma_stats[MC_CMD_MAC_RX_NODESC_DROPS];
+
+#undef MAC_STAT
+
+	rmb();
+	generation_start = dma_stats[MC_CMD_MAC_GENERATION_START];
+	if (generation_end != generation_start)
+		return -EAGAIN;
+
+	return 0;
+}
+
+static void siena_update_nic_stats(struct efx_nic *efx)
+{
+	while (siena_try_update_nic_stats(efx) == -EAGAIN)
+		cpu_relax();
+}
+
+static void siena_start_nic_stats(struct efx_nic *efx)
+{
+	u64 *dma_stats = (u64 *)efx->stats_buffer.addr;
+
+	dma_stats[MC_CMD_MAC_GENERATION_END] = STATS_GENERATION_INVALID;
+
+	efx_mcdi_mac_stats(efx, efx->stats_buffer.dma_addr,
+			   MC_CMD_MAC_NSTATS * sizeof(u64), 1, 0);
+}
+
+static void siena_stop_nic_stats(struct efx_nic *efx)
+{
+	efx_mcdi_mac_stats(efx, efx->stats_buffer.dma_addr, 0, 0, 0);
+}
+
+void siena_print_fwver(struct efx_nic *efx, char *buf, size_t len)
+{
+	struct siena_nic_data *nic_data = efx->nic_data;
+	snprintf(buf, len, "%u.%u.%u.%u",
+		 (unsigned int)(nic_data->fw_version >> 48),
+		 (unsigned int)(nic_data->fw_version >> 32 & 0xffff),
+		 (unsigned int)(nic_data->fw_version >> 16 & 0xffff),
+		 (unsigned int)(nic_data->fw_version & 0xffff));
+}
+
+/**************************************************************************
+ *
+ * Wake on LAN
+ *
+ **************************************************************************
+ */
+
+static void siena_get_wol(struct efx_nic *efx, struct ethtool_wolinfo *wol)
+{
+	struct siena_nic_data *nic_data = efx->nic_data;
+
+	wol->supported = WAKE_MAGIC;
+	if (nic_data->wol_filter_id != -1)
+		wol->wolopts = WAKE_MAGIC;
+	else
+		wol->wolopts = 0;
+	memset(&wol->sopass, 0, sizeof(wol->sopass));
+}
+
+
+static int siena_set_wol(struct efx_nic *efx, u32 type)
+{
+	struct siena_nic_data *nic_data = efx->nic_data;
+	int rc;
+
+	if (type & ~WAKE_MAGIC)
+		return -EINVAL;
+
+	if (type & WAKE_MAGIC) {
+		if (nic_data->wol_filter_id != -1)
+			efx_mcdi_wol_filter_remove(efx,
+						   nic_data->wol_filter_id);
+		rc = efx_mcdi_wol_filter_set_magic(efx, efx->mac_address,
+						   &nic_data->wol_filter_id);
+		if (rc)
+			goto fail;
+
+		pci_wake_from_d3(efx->pci_dev, true);
+	} else {
+		rc = efx_mcdi_wol_filter_reset(efx);
+		nic_data->wol_filter_id = -1;
+		pci_wake_from_d3(efx->pci_dev, false);
+		if (rc)
+			goto fail;
+	}
+
+	return 0;
+ fail:
+	EFX_ERR(efx, "%s failed: type=%d rc=%d\n", __func__, type, rc);
+	return rc;
+}
+
+
+static void siena_init_wol(struct efx_nic *efx)
+{
+	struct siena_nic_data *nic_data = efx->nic_data;
+	int rc;
+
+	rc = efx_mcdi_wol_filter_get_magic(efx, &nic_data->wol_filter_id);
+
+	if (rc != 0) {
+		/* If it failed, attempt to get into a synchronised
+		 * state with MC by resetting any set WoL filters */
+		efx_mcdi_wol_filter_reset(efx);
+		nic_data->wol_filter_id = -1;
+	} else if (nic_data->wol_filter_id != -1) {
+		pci_wake_from_d3(efx->pci_dev, true);
+	}
+}
+
+
+/**************************************************************************
+ *
+ * Revision-dependent attributes used by efx.c and nic.c
+ *
+ **************************************************************************
+ */
+
+struct efx_nic_type siena_a0_nic_type = {
+	.probe = siena_probe_nic,
+	.remove = siena_remove_nic,
+	.init = siena_init_nic,
+	.fini = efx_port_dummy_op_void,
+	.monitor = NULL,
+	.reset = siena_reset_hw,
+	.probe_port = siena_probe_port,
+	.remove_port = siena_remove_port,
+	.prepare_flush = efx_port_dummy_op_void,
+	.update_stats = siena_update_nic_stats,
+	.start_stats = siena_start_nic_stats,
+	.stop_stats = siena_stop_nic_stats,
+	.set_id_led = efx_mcdi_set_id_led,
+	.push_irq_moderation = siena_push_irq_moderation,
+	.push_multicast_hash = siena_push_multicast_hash,
+	.reconfigure_port = efx_mcdi_phy_reconfigure,
+	.get_wol = siena_get_wol,
+	.set_wol = siena_set_wol,
+	.resume_wol = siena_init_wol,
+	.test_registers = siena_test_registers,
+	.default_mac_ops = &efx_mcdi_mac_operations,
+
+	.revision = EFX_REV_SIENA_A0,
+	.mem_map_size = (FR_CZ_MC_TREG_SMEM +
+			 FR_CZ_MC_TREG_SMEM_STEP * FR_CZ_MC_TREG_SMEM_ROWS),
+	.txd_ptr_tbl_base = FR_BZ_TX_DESC_PTR_TBL,
+	.rxd_ptr_tbl_base = FR_BZ_RX_DESC_PTR_TBL,
+	.buf_tbl_base = FR_BZ_BUF_FULL_TBL,
+	.evq_ptr_tbl_base = FR_BZ_EVQ_PTR_TBL,
+	.evq_rptr_tbl_base = FR_BZ_EVQ_RPTR,
+	.max_dma_mask = DMA_BIT_MASK(FSF_AZ_TX_KER_BUF_ADDR_WIDTH),
+	.rx_buffer_padding = 0,
+	.max_interrupt_mode = EFX_INT_MODE_MSIX,
+	.phys_addr_channels = 32, /* Hardware limit is 64, but the legacy
+				   * interrupt handler only supports 32
+				   * channels */
+	.tx_dc_base = 0x88000,
+	.rx_dc_base = 0x68000,
+	.offload_features = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM,
+	.reset_world_flags = ETH_RESET_MGMT << ETH_RESET_SHARED_SHIFT,
+};
-- 
GitLab


From 8880f4ec21e668dcab3c6d387524a887e5bcbf73 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Sun, 29 Nov 2009 15:15:41 +0000
Subject: [PATCH 1648/1815] sfc: Add support for SFC9000 family (2)

This integrates support for the SFC9000 family of 10G Ethernet
controllers and LAN-on-motherboard chips, starting with the SFL9021
'Siena' and SFC9020 'Bethpage'.

Credit for this code is largely due to my colleagues at Solarflare:

   Guido Barzini
   Steve Hodgson
   Kieran Mansley
   Matthew Slattery
   Neil Turton

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/Kconfig       |  13 +-
 drivers/net/sfc/Makefile      |   7 +-
 drivers/net/sfc/bitfield.h    |   2 +
 drivers/net/sfc/efx.c         |  26 ++++
 drivers/net/sfc/efx.h         |   2 +
 drivers/net/sfc/enum.h        |   2 +
 drivers/net/sfc/ethtool.c     |   3 +
 drivers/net/sfc/mac.h         |   3 +
 drivers/net/sfc/mtd.c         | 267 +++++++++++++++++++++++++++++++++-
 drivers/net/sfc/net_driver.h  |  10 +-
 drivers/net/sfc/nic.c         |  63 ++++++--
 drivers/net/sfc/nic.h         |  23 +++
 drivers/net/sfc/phy.h         |  17 +++
 drivers/net/sfc/workarounds.h |   5 +
 14 files changed, 414 insertions(+), 29 deletions(-)

diff --git a/drivers/net/sfc/Kconfig b/drivers/net/sfc/Kconfig
index 260aafaac23..a65c9863839 100644
--- a/drivers/net/sfc/Kconfig
+++ b/drivers/net/sfc/Kconfig
@@ -1,5 +1,5 @@
 config SFC
-	tristate "Solarflare Solarstorm SFC4000 support"
+	tristate "Solarflare Solarstorm SFC4000/SFC9000-family support"
 	depends on PCI && INET
 	select MDIO
 	select CRC32
@@ -7,15 +7,16 @@ config SFC
 	select I2C_ALGOBIT
 	help
 	  This driver supports 10-gigabit Ethernet cards based on
-	  the Solarflare Communications Solarstorm SFC4000 controller.
+	  the Solarflare Communications Solarstorm SFC4000 and
+	  SFC9000-family controllers.
 
 	  To compile this driver as a module, choose M here.  The module
 	  will be called sfc.
 config SFC_MTD
-	bool "Solarflare Solarstorm SFC4000 flash MTD support"
+	bool "Solarflare Solarstorm SFC4000/SFC9000-family MTD support"
 	depends on SFC && MTD && !(SFC=y && MTD=m)
 	default y
 	help
-	  This exposes the on-board flash memory as an MTD device (e.g.
-          /dev/mtd1).  This makes it possible to upload new boot code
-          to the NIC.
+	  This exposes the on-board flash memory as MTD devices (e.g.
+	  /dev/mtd1).  This makes it possible to upload new firmware
+	  to the NIC.
diff --git a/drivers/net/sfc/Makefile b/drivers/net/sfc/Makefile
index 223106b9344..1047b19c60a 100644
--- a/drivers/net/sfc/Makefile
+++ b/drivers/net/sfc/Makefile
@@ -1,6 +1,7 @@
-sfc-y			+= efx.o nic.o falcon.o tx.o rx.o falcon_gmac.o \
-			   falcon_xmac.o selftest.o ethtool.o qt202x_phy.o \
-			   mdio_10g.o tenxpress.o falcon_boards.o
+sfc-y			+= efx.o nic.o falcon.o siena.o tx.o rx.o \
+			   falcon_gmac.o falcon_xmac.o mcdi_mac.o \
+			   selftest.o ethtool.o qt202x_phy.o mdio_10g.o \
+			   tenxpress.o falcon_boards.o mcdi.o mcdi_phy.o
 sfc-$(CONFIG_SFC_MTD)	+= mtd.o
 
 obj-$(CONFIG_SFC)	+= sfc.o
diff --git a/drivers/net/sfc/bitfield.h b/drivers/net/sfc/bitfield.h
index 6ad909bba95..bb5de4fe925 100644
--- a/drivers/net/sfc/bitfield.h
+++ b/drivers/net/sfc/bitfield.h
@@ -37,6 +37,8 @@
 #define EFX_DWORD_2_WIDTH 32
 #define EFX_DWORD_3_LBN 96
 #define EFX_DWORD_3_WIDTH 32
+#define EFX_QWORD_0_LBN 0
+#define EFX_QWORD_0_WIDTH 64
 
 /* Specified attribute (e.g. LBN) of the specified field */
 #define EFX_VAL(field, attribute) field ## _ ## attribute
diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 97a6ebdcaf2..4b5c786f0e2 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -25,6 +25,8 @@
 #include "mdio_10g.h"
 #include "nic.h"
 
+#include "mcdi.h"
+
 /**************************************************************************
  *
  * Type name strings
@@ -84,6 +86,7 @@ const char *efx_reset_type_names[] = {
 	[RESET_TYPE_RX_DESC_FETCH] = "RX_DESC_FETCH",
 	[RESET_TYPE_TX_DESC_FETCH] = "TX_DESC_FETCH",
 	[RESET_TYPE_TX_SKIP]       = "TX_SKIP",
+	[RESET_TYPE_MC_FAILURE]    = "MC_FAILURE",
 };
 
 #define EFX_MAX_MTU (9 * 1024)
@@ -1191,6 +1194,15 @@ static void efx_start_all(struct efx_nic *efx)
 
 	efx_nic_enable_interrupts(efx);
 
+	/* Switch to event based MCDI completions after enabling interrupts.
+	 * If a reset has been scheduled, then we need to stay in polled mode.
+	 * Rather than serialising efx_mcdi_mode_event() [which sleeps] and
+	 * reset_pending [modified from an atomic context], we instead guarantee
+	 * that efx_mcdi_mode_poll() isn't reverted erroneously */
+	efx_mcdi_mode_event(efx);
+	if (efx->reset_pending != RESET_TYPE_NONE)
+		efx_mcdi_mode_poll(efx);
+
 	/* Start the hardware monitor if there is one. Otherwise (we're link
 	 * event driven), we have to poll the PHY because after an event queue
 	 * flush, we could have a missed a link state change */
@@ -1242,6 +1254,9 @@ static void efx_stop_all(struct efx_nic *efx)
 
 	efx->type->stop_stats(efx);
 
+	/* Switch to MCDI polling on Siena before disabling interrupts */
+	efx_mcdi_mode_poll(efx);
+
 	/* Disable interrupts and wait for ISR to complete */
 	efx_nic_disable_interrupts(efx);
 	if (efx->legacy_irq)
@@ -1445,6 +1460,8 @@ static int efx_net_open(struct net_device *net_dev)
 		return -EIO;
 	if (efx->phy_mode & PHY_MODE_SPECIAL)
 		return -EBUSY;
+	if (efx_mcdi_poll_reboot(efx) && efx_reset(efx, RESET_TYPE_ALL))
+		return -EIO;
 
 	/* Notify the kernel of the link state polled during driver load,
 	 * before the monitor starts running */
@@ -1895,6 +1912,7 @@ void efx_schedule_reset(struct efx_nic *efx, enum reset_type type)
 	case RESET_TYPE_TX_SKIP:
 		method = RESET_TYPE_INVISIBLE;
 		break;
+	case RESET_TYPE_MC_FAILURE:
 	default:
 		method = RESET_TYPE_ALL;
 		break;
@@ -1908,6 +1926,10 @@ void efx_schedule_reset(struct efx_nic *efx, enum reset_type type)
 
 	efx->reset_pending = method;
 
+	/* efx_process_channel() will no longer read events once a
+	 * reset is scheduled. So switch back to poll'd MCDI completions. */
+	efx_mcdi_mode_poll(efx);
+
 	queue_work(reset_workqueue, &efx->reset_work);
 }
 
@@ -1923,6 +1945,10 @@ static struct pci_device_id efx_pci_table[] __devinitdata = {
 	 .driver_data = (unsigned long) &falcon_a1_nic_type},
 	{PCI_DEVICE(EFX_VENDID_SFC, FALCON_B_P_DEVID),
 	 .driver_data = (unsigned long) &falcon_b0_nic_type},
+	{PCI_DEVICE(EFX_VENDID_SFC, BETHPAGE_A_P_DEVID),
+	 .driver_data = (unsigned long) &siena_a0_nic_type},
+	{PCI_DEVICE(EFX_VENDID_SFC, SIENA_A_P_DEVID),
+	 .driver_data = (unsigned long) &siena_a0_nic_type},
 	{0}			/* end of list */
 };
 
diff --git a/drivers/net/sfc/efx.h b/drivers/net/sfc/efx.h
index fa40c7b66d7..b4470da2386 100644
--- a/drivers/net/sfc/efx.h
+++ b/drivers/net/sfc/efx.h
@@ -18,6 +18,8 @@
 #define FALCON_A_P_DEVID	0x0703
 #define FALCON_A_S_DEVID        0x6703
 #define FALCON_B_P_DEVID        0x0710
+#define BETHPAGE_A_P_DEVID      0x0803
+#define SIENA_A_P_DEVID         0x0813
 
 /* Solarstorm controllers use BAR 0 for I/O space and BAR 2(&3) for memory */
 #define EFX_MEM_BAR 2
diff --git a/drivers/net/sfc/enum.h b/drivers/net/sfc/enum.h
index 7a9e79ab931..b1f7a40ab15 100644
--- a/drivers/net/sfc/enum.h
+++ b/drivers/net/sfc/enum.h
@@ -144,6 +144,7 @@ enum efx_loopback_mode {
  * @RESET_TYPE_RX_DESC_FETCH: pcie error during rx descriptor fetch
  * @RESET_TYPE_TX_DESC_FETCH: pcie error during tx descriptor fetch
  * @RESET_TYPE_TX_SKIP: hardware completed empty tx descriptors
+ * @RESET_TYPE_MC_FAILURE: MC reboot/assertion
  */
 enum reset_type {
 	RESET_TYPE_NONE = -1,
@@ -158,6 +159,7 @@ enum reset_type {
 	RESET_TYPE_RX_DESC_FETCH,
 	RESET_TYPE_TX_DESC_FETCH,
 	RESET_TYPE_TX_SKIP,
+	RESET_TYPE_MC_FAILURE,
 	RESET_TYPE_MAX,
 };
 
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index 012ee31db0c..5492b633660 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -236,6 +236,9 @@ static void efx_ethtool_get_drvinfo(struct net_device *net_dev,
 
 	strlcpy(info->driver, EFX_DRIVER_NAME, sizeof(info->driver));
 	strlcpy(info->version, EFX_DRIVER_VERSION, sizeof(info->version));
+	if (efx_nic_rev(efx) >= EFX_REV_SIENA_A0)
+		siena_print_fwver(efx, info->fw_version,
+				  sizeof(info->fw_version));
 	strlcpy(info->bus_info, pci_name(efx->pci_dev), sizeof(info->bus_info));
 }
 
diff --git a/drivers/net/sfc/mac.h b/drivers/net/sfc/mac.h
index d2af50f1747..c733863fa41 100644
--- a/drivers/net/sfc/mac.h
+++ b/drivers/net/sfc/mac.h
@@ -15,6 +15,9 @@
 
 extern struct efx_mac_operations falcon_gmac_operations;
 extern struct efx_mac_operations falcon_xmac_operations;
+extern struct efx_mac_operations efx_mcdi_mac_operations;
 extern void falcon_reconfigure_xmac_core(struct efx_nic *efx);
+extern int efx_mcdi_mac_stats(struct efx_nic *efx, dma_addr_t dma_addr,
+			      u32 dma_len, int enable, int clear);
 
 #endif
diff --git a/drivers/net/sfc/mtd.c b/drivers/net/sfc/mtd.c
index 65a22f193f9..ef561f8af4d 100644
--- a/drivers/net/sfc/mtd.c
+++ b/drivers/net/sfc/mtd.c
@@ -8,6 +8,7 @@
  * by the Free Software Foundation, incorporated herein by reference.
  */
 
+#include <linux/bitops.h>
 #include <linux/module.h>
 #include <linux/mtd/mtd.h>
 #include <linux/delay.h>
@@ -18,12 +19,22 @@
 #include "spi.h"
 #include "efx.h"
 #include "nic.h"
+#include "mcdi.h"
+#include "mcdi_pcol.h"
 
 #define EFX_SPI_VERIFY_BUF_LEN 16
+#define EFX_MCDI_CHUNK_LEN 128
 
 struct efx_mtd_partition {
 	struct mtd_info mtd;
-	size_t offset;
+	union {
+		struct {
+			bool updating;
+			u8 nvram_type;
+			u16 fw_subtype;
+		} mcdi;
+		size_t offset;
+	};
 	const char *type_name;
 	char name[IFNAMSIZ + 20];
 };
@@ -56,6 +67,7 @@ struct efx_mtd {
 	container_of(mtd, struct efx_mtd_partition, mtd)
 
 static int falcon_mtd_probe(struct efx_nic *efx);
+static int siena_mtd_probe(struct efx_nic *efx);
 
 /* SPI utilities */
 
@@ -223,9 +235,14 @@ static void efx_mtd_rename_device(struct efx_mtd *efx_mtd)
 	struct efx_mtd_partition *part;
 
 	efx_for_each_partition(part, efx_mtd)
-		snprintf(part->name, sizeof(part->name),
-			 "%s %s", efx_mtd->efx->name,
-			 part->type_name);
+		if (efx_nic_rev(efx_mtd->efx) >= EFX_REV_SIENA_A0)
+			snprintf(part->name, sizeof(part->name),
+				 "%s %s:%02x", efx_mtd->efx->name,
+				 part->type_name, part->mcdi.fw_subtype);
+		else
+			snprintf(part->name, sizeof(part->name),
+				 "%s %s", efx_mtd->efx->name,
+				 part->type_name);
 }
 
 static int efx_mtd_probe_device(struct efx_nic *efx, struct efx_mtd *efx_mtd)
@@ -285,7 +302,10 @@ void efx_mtd_rename(struct efx_nic *efx)
 
 int efx_mtd_probe(struct efx_nic *efx)
 {
-	return falcon_mtd_probe(efx);
+	if (efx_nic_rev(efx) >= EFX_REV_SIENA_A0)
+		return siena_mtd_probe(efx);
+	else
+		return falcon_mtd_probe(efx);
 }
 
 /* Implementation of MTD operations for Falcon */
@@ -393,3 +413,240 @@ static int falcon_mtd_probe(struct efx_nic *efx)
 		kfree(efx_mtd);
 	return rc;
 }
+
+/* Implementation of MTD operations for Siena */
+
+static int siena_mtd_read(struct mtd_info *mtd, loff_t start,
+			  size_t len, size_t *retlen, u8 *buffer)
+{
+	struct efx_mtd_partition *part = to_efx_mtd_partition(mtd);
+	struct efx_mtd *efx_mtd = mtd->priv;
+	struct efx_nic *efx = efx_mtd->efx;
+	loff_t offset = start;
+	loff_t end = min_t(loff_t, start + len, mtd->size);
+	size_t chunk;
+	int rc = 0;
+
+	while (offset < end) {
+		chunk = min_t(size_t, end - offset, EFX_MCDI_CHUNK_LEN);
+		rc = efx_mcdi_nvram_read(efx, part->mcdi.nvram_type, offset,
+					 buffer, chunk);
+		if (rc)
+			goto out;
+		offset += chunk;
+		buffer += chunk;
+	}
+out:
+	*retlen = offset - start;
+	return rc;
+}
+
+static int siena_mtd_erase(struct mtd_info *mtd, loff_t start, size_t len)
+{
+	struct efx_mtd_partition *part = to_efx_mtd_partition(mtd);
+	struct efx_mtd *efx_mtd = mtd->priv;
+	struct efx_nic *efx = efx_mtd->efx;
+	loff_t offset = start & ~((loff_t)(mtd->erasesize - 1));
+	loff_t end = min_t(loff_t, start + len, mtd->size);
+	size_t chunk = part->mtd.erasesize;
+	int rc = 0;
+
+	if (!part->mcdi.updating) {
+		rc = efx_mcdi_nvram_update_start(efx, part->mcdi.nvram_type);
+		if (rc)
+			goto out;
+		part->mcdi.updating = 1;
+	}
+
+	/* The MCDI interface can in fact do multiple erase blocks at once;
+	 * but erasing may be slow, so we make multiple calls here to avoid
+	 * tripping the MCDI RPC timeout. */
+	while (offset < end) {
+		rc = efx_mcdi_nvram_erase(efx, part->mcdi.nvram_type, offset,
+					  chunk);
+		if (rc)
+			goto out;
+		offset += chunk;
+	}
+out:
+	return rc;
+}
+
+static int siena_mtd_write(struct mtd_info *mtd, loff_t start,
+			   size_t len, size_t *retlen, const u8 *buffer)
+{
+	struct efx_mtd_partition *part = to_efx_mtd_partition(mtd);
+	struct efx_mtd *efx_mtd = mtd->priv;
+	struct efx_nic *efx = efx_mtd->efx;
+	loff_t offset = start;
+	loff_t end = min_t(loff_t, start + len, mtd->size);
+	size_t chunk;
+	int rc = 0;
+
+	if (!part->mcdi.updating) {
+		rc = efx_mcdi_nvram_update_start(efx, part->mcdi.nvram_type);
+		if (rc)
+			goto out;
+		part->mcdi.updating = 1;
+	}
+
+	while (offset < end) {
+		chunk = min_t(size_t, end - offset, EFX_MCDI_CHUNK_LEN);
+		rc = efx_mcdi_nvram_write(efx, part->mcdi.nvram_type, offset,
+					  buffer, chunk);
+		if (rc)
+			goto out;
+		offset += chunk;
+		buffer += chunk;
+	}
+out:
+	*retlen = offset - start;
+	return rc;
+}
+
+static int siena_mtd_sync(struct mtd_info *mtd)
+{
+	struct efx_mtd_partition *part = to_efx_mtd_partition(mtd);
+	struct efx_mtd *efx_mtd = mtd->priv;
+	struct efx_nic *efx = efx_mtd->efx;
+	int rc = 0;
+
+	if (part->mcdi.updating) {
+		part->mcdi.updating = 0;
+		rc = efx_mcdi_nvram_update_finish(efx, part->mcdi.nvram_type);
+	}
+
+	return rc;
+}
+
+static struct efx_mtd_ops siena_mtd_ops = {
+	.read	= siena_mtd_read,
+	.erase	= siena_mtd_erase,
+	.write	= siena_mtd_write,
+	.sync	= siena_mtd_sync,
+};
+
+struct siena_nvram_type_info {
+	int port;
+	const char *name;
+};
+
+static struct siena_nvram_type_info siena_nvram_types[] = {
+	[MC_CMD_NVRAM_TYPE_DISABLED_CALLISTO]	= { 0, "sfc_dummy_phy" },
+	[MC_CMD_NVRAM_TYPE_MC_FW]		= { 0, "sfc_mcfw" },
+	[MC_CMD_NVRAM_TYPE_MC_FW_BACKUP]	= { 0, "sfc_mcfw_backup" },
+	[MC_CMD_NVRAM_TYPE_STATIC_CFG_PORT0]	= { 0, "sfc_static_cfg" },
+	[MC_CMD_NVRAM_TYPE_STATIC_CFG_PORT1]	= { 1, "sfc_static_cfg" },
+	[MC_CMD_NVRAM_TYPE_DYNAMIC_CFG_PORT0]	= { 0, "sfc_dynamic_cfg" },
+	[MC_CMD_NVRAM_TYPE_DYNAMIC_CFG_PORT1]	= { 1, "sfc_dynamic_cfg" },
+	[MC_CMD_NVRAM_TYPE_EXP_ROM]		= { 0, "sfc_exp_rom" },
+	[MC_CMD_NVRAM_TYPE_EXP_ROM_CFG_PORT0]	= { 0, "sfc_exp_rom_cfg" },
+	[MC_CMD_NVRAM_TYPE_EXP_ROM_CFG_PORT1]	= { 1, "sfc_exp_rom_cfg" },
+	[MC_CMD_NVRAM_TYPE_PHY_PORT0]		= { 0, "sfc_phy_fw" },
+	[MC_CMD_NVRAM_TYPE_PHY_PORT1]		= { 1, "sfc_phy_fw" },
+};
+
+static int siena_mtd_probe_partition(struct efx_nic *efx,
+				     struct efx_mtd *efx_mtd,
+				     unsigned int part_id,
+				     unsigned int type)
+{
+	struct efx_mtd_partition *part = &efx_mtd->part[part_id];
+	struct siena_nvram_type_info *info;
+	size_t size, erase_size;
+	bool protected;
+	int rc;
+
+	if (type >= ARRAY_SIZE(siena_nvram_types))
+		return -ENODEV;
+
+	info = &siena_nvram_types[type];
+
+	if (info->port != efx_port_num(efx))
+		return -ENODEV;
+
+	rc = efx_mcdi_nvram_info(efx, type, &size, &erase_size, &protected);
+	if (rc)
+		return rc;
+	if (protected)
+		return -ENODEV; /* hide it */
+
+	part->mcdi.nvram_type = type;
+	part->type_name = info->name;
+
+	part->mtd.type = MTD_NORFLASH;
+	part->mtd.flags = MTD_CAP_NORFLASH;
+	part->mtd.size = size;
+	part->mtd.erasesize = erase_size;
+
+	return 0;
+}
+
+static int siena_mtd_get_fw_subtypes(struct efx_nic *efx,
+				     struct efx_mtd *efx_mtd)
+{
+	struct efx_mtd_partition *part;
+	uint16_t fw_subtype_list[MC_CMD_GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST_LEN /
+				 sizeof(uint16_t)];
+	int rc;
+
+	rc = efx_mcdi_get_board_cfg(efx, NULL, fw_subtype_list);
+	if (rc)
+		return rc;
+
+	efx_for_each_partition(part, efx_mtd)
+		part->mcdi.fw_subtype = fw_subtype_list[part->mcdi.nvram_type];
+
+	return 0;
+}
+
+static int siena_mtd_probe(struct efx_nic *efx)
+{
+	struct efx_mtd *efx_mtd;
+	int rc = -ENODEV;
+	u32 nvram_types;
+	unsigned int type;
+
+	ASSERT_RTNL();
+
+	rc = efx_mcdi_nvram_types(efx, &nvram_types);
+	if (rc)
+		return rc;
+
+	efx_mtd = kzalloc(sizeof(*efx_mtd) +
+			  hweight32(nvram_types) * sizeof(efx_mtd->part[0]),
+			  GFP_KERNEL);
+	if (!efx_mtd)
+		return -ENOMEM;
+
+	efx_mtd->name = "Siena NVRAM manager";
+
+	efx_mtd->ops = &siena_mtd_ops;
+
+	type = 0;
+	efx_mtd->n_parts = 0;
+
+	while (nvram_types != 0) {
+		if (nvram_types & 1) {
+			rc = siena_mtd_probe_partition(efx, efx_mtd,
+						       efx_mtd->n_parts, type);
+			if (rc == 0)
+				efx_mtd->n_parts++;
+			else if (rc != -ENODEV)
+				goto fail;
+		}
+		type++;
+		nvram_types >>= 1;
+	}
+
+	rc = siena_mtd_get_fw_subtypes(efx, efx_mtd);
+	if (rc)
+		goto fail;
+
+	rc = efx_mtd_probe_device(efx, efx_mtd);
+fail:
+	if (rc)
+		kfree(efx_mtd);
+	return rc;
+}
+
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index 96d3f00df64..ec132038b26 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -706,6 +706,7 @@ union efx_multicast_hash {
  * @phy_op: PHY interface
  * @phy_data: PHY private data (including PHY-specific stats)
  * @mdio: PHY MDIO interface
+ * @mdio_bus: PHY MDIO bus ID (only used by Siena)
  * @phy_mode: PHY operating mode. Serialised by @mac_lock.
  * @xmac_poll_required: XMAC link state needs polling
  * @link_advertising: Autonegotiation advertising flags
@@ -756,6 +757,7 @@ struct efx_nic {
 
 	struct efx_buffer irq_status;
 	volatile signed int last_irq_cpu;
+	unsigned long irq_zero_count;
 
 	struct efx_spi_device *spi_flash;
 	struct efx_spi_device *spi_eeprom;
@@ -766,7 +768,7 @@ struct efx_nic {
 
 	unsigned n_rx_nodesc_drop_cnt;
 
-	struct falcon_nic_data *nic_data;
+	void *nic_data;
 
 	struct mutex mac_lock;
 	struct work_struct mac_work;
@@ -792,6 +794,7 @@ struct efx_nic {
 	struct efx_phy_operations *phy_op;
 	void *phy_data;
 	struct mdio_if_info mdio;
+	unsigned int mdio_bus;
 	enum efx_phy_mode phy_mode;
 
 	bool xmac_poll_required;
@@ -824,6 +827,11 @@ static inline const char *efx_dev_name(struct efx_nic *efx)
 	return efx_dev_registered(efx) ? efx->name : "";
 }
 
+static inline unsigned int efx_port_num(struct efx_nic *efx)
+{
+	return PCI_FUNC(efx->pci_dev->devfn);
+}
+
 /**
  * struct efx_nic_type - Efx device type definition
  * @probe: Probe the controller
diff --git a/drivers/net/sfc/nic.c b/drivers/net/sfc/nic.c
index 55dbd7994b6..5ac4b1af839 100644
--- a/drivers/net/sfc/nic.c
+++ b/drivers/net/sfc/nic.c
@@ -997,6 +997,9 @@ int efx_nic_process_eventq(struct efx_channel *channel, int rx_quota)
 		case FSE_AZ_EV_CODE_DRIVER_EV:
 			efx_handle_driver_event(channel, &event);
 			break;
+		case FSE_CZ_EV_CODE_MCDI_EV:
+			efx_mcdi_process_event(channel, &event);
+			break;
 		default:
 			EFX_ERR(channel->efx, "channel %d unknown event type %d"
 				" (data " EFX_QWORD_FMT ")\n", channel->channel,
@@ -1025,13 +1028,21 @@ int efx_nic_probe_eventq(struct efx_channel *channel)
 
 void efx_nic_init_eventq(struct efx_channel *channel)
 {
-	efx_oword_t evq_ptr;
+	efx_oword_t reg;
 	struct efx_nic *efx = channel->efx;
 
 	EFX_LOG(efx, "channel %d event queue in special buffers %d-%d\n",
 		channel->channel, channel->eventq.index,
 		channel->eventq.index + channel->eventq.entries - 1);
 
+	if (efx_nic_rev(efx) >= EFX_REV_SIENA_A0) {
+		EFX_POPULATE_OWORD_3(reg,
+				     FRF_CZ_TIMER_Q_EN, 1,
+				     FRF_CZ_HOST_NOTIFY_MODE, 0,
+				     FRF_CZ_TIMER_MODE, FFE_CZ_TIMER_MODE_DIS);
+		efx_writeo_table(efx, &reg, FR_BZ_TIMER_TBL, channel->channel);
+	}
+
 	/* Pin event queue buffer */
 	efx_init_special_buffer(efx, &channel->eventq);
 
@@ -1039,11 +1050,11 @@ void efx_nic_init_eventq(struct efx_channel *channel)
 	memset(channel->eventq.addr, 0xff, channel->eventq.len);
 
 	/* Push event queue to card */
-	EFX_POPULATE_OWORD_3(evq_ptr,
+	EFX_POPULATE_OWORD_3(reg,
 			     FRF_AZ_EVQ_EN, 1,
 			     FRF_AZ_EVQ_SIZE, __ffs(channel->eventq.entries),
 			     FRF_AZ_EVQ_BUF_BASE_ID, channel->eventq.index);
-	efx_writeo_table(efx, &evq_ptr, efx->type->evq_ptr_tbl_base,
+	efx_writeo_table(efx, &reg, efx->type->evq_ptr_tbl_base,
 			 channel->channel);
 
 	efx->type->push_irq_moderation(channel);
@@ -1051,13 +1062,15 @@ void efx_nic_init_eventq(struct efx_channel *channel)
 
 void efx_nic_fini_eventq(struct efx_channel *channel)
 {
-	efx_oword_t eventq_ptr;
+	efx_oword_t reg;
 	struct efx_nic *efx = channel->efx;
 
 	/* Remove event queue from card */
-	EFX_ZERO_OWORD(eventq_ptr);
-	efx_writeo_table(efx, &eventq_ptr, efx->type->evq_ptr_tbl_base,
+	EFX_ZERO_OWORD(reg);
+	efx_writeo_table(efx, &reg, efx->type->evq_ptr_tbl_base,
 			 channel->channel);
+	if (efx_nic_rev(efx) >= EFX_REV_SIENA_A0)
+		efx_writeo_table(efx, &reg, FR_BZ_TIMER_TBL, channel->channel);
 
 	/* Unpin event queue */
 	efx_fini_special_buffer(efx, &channel->eventq);
@@ -1220,8 +1233,15 @@ static inline void efx_nic_interrupts(struct efx_nic *efx,
 				      bool enabled, bool force)
 {
 	efx_oword_t int_en_reg_ker;
+	unsigned int level = 0;
+
+	if (EFX_WORKAROUND_17213(efx) && !EFX_INT_MODE_USE_MSI(efx))
+		/* Set the level always even if we're generating a test
+		 * interrupt, because our legacy interrupt handler is safe */
+		level = 0x1f;
 
-	EFX_POPULATE_OWORD_2(int_en_reg_ker,
+	EFX_POPULATE_OWORD_3(int_en_reg_ker,
+			     FRF_AZ_KER_INT_LEVE_SEL, level,
 			     FRF_AZ_KER_INT_KER, force,
 			     FRF_AZ_DRV_INT_EN_KER, enabled);
 	efx_writeo(efx, &int_en_reg_ker, FR_AZ_INT_EN_KER);
@@ -1334,15 +1354,30 @@ static irqreturn_t efx_legacy_interrupt(int irq, void *dev_id)
 	if (unlikely(syserr))
 		return efx_nic_fatal_interrupt(efx);
 
-	/* Schedule processing of any interrupting queues */
-	efx_for_each_channel(channel, efx) {
-		if ((queues & 1) ||
-		    efx_event_present(
-			    efx_event(channel, channel->eventq_read_ptr))) {
+	if (queues != 0) {
+		if (EFX_WORKAROUND_15783(efx))
+			efx->irq_zero_count = 0;
+
+		/* Schedule processing of any interrupting queues */
+		efx_for_each_channel(channel, efx) {
+			if (queues & 1)
+				efx_schedule_channel(channel);
+			queues >>= 1;
+		}
+		result = IRQ_HANDLED;
+
+	} else if (EFX_WORKAROUND_15783(efx) &&
+		   efx->irq_zero_count++ == 0) {
+		efx_qword_t *event;
+
+		/* Ensure we rearm all event queues */
+		efx_for_each_channel(channel, efx) {
+			event = efx_event(channel, channel->eventq_read_ptr);
+			if (efx_event_present(event))
 				efx_schedule_channel(channel);
-			result = IRQ_HANDLED;
 		}
-		queues >>= 1;
+
+		result = IRQ_HANDLED;
 	}
 
 	if (result == IRQ_HANDLED) {
diff --git a/drivers/net/sfc/nic.h b/drivers/net/sfc/nic.h
index e7eb30488c1..57c510d8c34 100644
--- a/drivers/net/sfc/nic.h
+++ b/drivers/net/sfc/nic.h
@@ -14,6 +14,7 @@
 #include <linux/i2c-algo-bit.h>
 #include "net_driver.h"
 #include "efx.h"
+#include "mcdi.h"
 
 /*
  * Falcon hardware control
@@ -23,6 +24,7 @@ enum {
 	EFX_REV_FALCON_A0 = 0,
 	EFX_REV_FALCON_A1 = 1,
 	EFX_REV_FALCON_B0 = 2,
+	EFX_REV_SIENA_A0 = 3,
 };
 
 static inline int efx_nic_rev(struct efx_nic *efx)
@@ -32,6 +34,10 @@ static inline int efx_nic_rev(struct efx_nic *efx)
 
 extern u32 efx_nic_fpga_ver(struct efx_nic *efx);
 
+static inline bool efx_nic_has_mc(struct efx_nic *efx)
+{
+	return efx_nic_rev(efx) >= EFX_REV_SIENA_A0;
+}
 /* NIC has two interlinked PCI functions for the same port. */
 static inline bool efx_nic_is_dual_func(struct efx_nic *efx)
 {
@@ -123,8 +129,25 @@ static inline struct falcon_board *falcon_board(struct efx_nic *efx)
 	return &data->board;
 }
 
+/**
+ * struct siena_nic_data - Siena NIC state
+ * @fw_version: Management controller firmware version
+ * @fw_build: Firmware build number
+ * @mcdi: Management-Controller-to-Driver Interface
+ * @wol_filter_id: Wake-on-LAN packet filter id
+ */
+struct siena_nic_data {
+	u64 fw_version;
+	u32 fw_build;
+	struct efx_mcdi_iface mcdi;
+	int wol_filter_id;
+};
+
+extern void siena_print_fwver(struct efx_nic *efx, char *buf, size_t len);
+
 extern struct efx_nic_type falcon_a1_nic_type;
 extern struct efx_nic_type falcon_b0_nic_type;
+extern struct efx_nic_type siena_a0_nic_type;
 
 /**************************************************************************
  *
diff --git a/drivers/net/sfc/phy.h b/drivers/net/sfc/phy.h
index 2ad1cec2c72..64dff2d5952 100644
--- a/drivers/net/sfc/phy.h
+++ b/drivers/net/sfc/phy.h
@@ -41,4 +41,21 @@ extern struct efx_phy_operations falcon_qt202x_phy_ops;
 
 extern void falcon_qt202x_set_led(struct efx_nic *p, int led, int state);
 
+/****************************************************************************
+ * Siena managed PHYs
+ */
+extern struct efx_phy_operations efx_mcdi_phy_ops;
+
+extern int efx_mcdi_mdio_read(struct efx_nic *efx, unsigned int bus,
+			      unsigned int prtad, unsigned int devad,
+			      u16 addr, u16 *value_out, u32 *status_out);
+extern int efx_mcdi_mdio_write(struct efx_nic *efx, unsigned int bus,
+			       unsigned int prtad, unsigned int devad,
+			       u16 addr, u16 value, u32 *status_out);
+extern void efx_mcdi_phy_decode_link(struct efx_nic *efx,
+				     struct efx_link_state *link_state,
+				     u32 speed, u32 flags, u32 fcntl);
+extern int efx_mcdi_phy_reconfigure(struct efx_nic *efx);
+extern void efx_mcdi_phy_check_fcntl(struct efx_nic *efx, u32 lpa);
+
 #endif
diff --git a/drivers/net/sfc/workarounds.h b/drivers/net/sfc/workarounds.h
index 021d0d2d97f..ecee8f57d7f 100644
--- a/drivers/net/sfc/workarounds.h
+++ b/drivers/net/sfc/workarounds.h
@@ -18,6 +18,7 @@
 #define EFX_WORKAROUND_ALWAYS(efx) 1
 #define EFX_WORKAROUND_FALCON_A(efx) (efx_nic_rev(efx) <= EFX_REV_FALCON_A1)
 #define EFX_WORKAROUND_FALCON_AB(efx) (efx_nic_rev(efx) <= EFX_REV_FALCON_B0)
+#define EFX_WORKAROUND_SIENA(efx) (efx_nic_rev(efx) == EFX_REV_SIENA_A0)
 #define EFX_WORKAROUND_10G(efx) EFX_IS10G(efx)
 #define EFX_WORKAROUND_SFT9001(efx) ((efx)->phy_type == PHY_TYPE_SFT9001A || \
 				     (efx)->phy_type == PHY_TYPE_SFT9001B)
@@ -35,6 +36,10 @@
 #define EFX_WORKAROUND_11482 EFX_WORKAROUND_FALCON_AB
 /* Truncated IPv4 packets can confuse the TX packet parser */
 #define EFX_WORKAROUND_15592 EFX_WORKAROUND_FALCON_AB
+/* Legacy ISR read can return zero once */
+#define EFX_WORKAROUND_15783 EFX_WORKAROUND_SIENA
+/* Legacy interrupt storm when interrupt fifo fills */
+#define EFX_WORKAROUND_17213 EFX_WORKAROUND_SIENA
 
 /* Spurious parity errors in TSORT buffers */
 #define EFX_WORKAROUND_5129 EFX_WORKAROUND_FALCON_A
-- 
GitLab


From 738a8f4b0c0e6ce7260e1514d41c764f334982e4 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Sun, 29 Nov 2009 15:16:05 +0000
Subject: [PATCH 1649/1815] sfc: Implement TSO for TCP/IPv6

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/efx.c     |  2 ++
 drivers/net/sfc/ethtool.c | 20 ++++++++++++++-
 drivers/net/sfc/tx.c      | 52 +++++++++++++++++++++++++++++----------
 3 files changed, 60 insertions(+), 14 deletions(-)

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 4b5c786f0e2..3c0d6bea126 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -2208,6 +2208,8 @@ static int __devinit efx_pci_probe(struct pci_dev *pci_dev,
 	net_dev->features |= (type->offload_features | NETIF_F_SG |
 			      NETIF_F_HIGHDMA | NETIF_F_TSO |
 			      NETIF_F_GRO);
+	if (type->offload_features & NETIF_F_V6_CSUM)
+		net_dev->features |= NETIF_F_TSO6;
 	/* Mask for features that also apply to VLAN devices */
 	net_dev->vlan_features |= (NETIF_F_ALL_CSUM | NETIF_F_SG |
 				   NETIF_F_HIGHDMA | NETIF_F_TSO);
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index 5492b633660..f6981216f1f 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -471,6 +471,23 @@ static void efx_ethtool_get_stats(struct net_device *net_dev,
 	}
 }
 
+static int efx_ethtool_set_tso(struct net_device *net_dev, u32 enable)
+{
+	struct efx_nic *efx __attribute__ ((unused)) = netdev_priv(net_dev);
+	unsigned long features;
+
+	features = NETIF_F_TSO;
+	if (efx->type->offload_features & NETIF_F_V6_CSUM)
+		features |= NETIF_F_TSO6;
+
+	if (enable)
+		net_dev->features |= features;
+	else
+		net_dev->features &= ~features;
+
+	return 0;
+}
+
 static int efx_ethtool_set_tx_csum(struct net_device *net_dev, u32 enable)
 {
 	struct efx_nic *efx = netdev_priv(net_dev);
@@ -834,7 +851,8 @@ const struct ethtool_ops efx_ethtool_ops = {
 	.get_sg			= ethtool_op_get_sg,
 	.set_sg			= ethtool_op_set_sg,
 	.get_tso		= ethtool_op_get_tso,
-	.set_tso		= ethtool_op_set_tso,
+	/* Need to enable/disable TSO-IPv6 too */
+	.set_tso		= efx_ethtool_set_tso,
 	.get_flags		= ethtool_op_get_flags,
 	.set_flags		= ethtool_op_set_flags,
 	.get_sset_count		= efx_ethtool_get_sset_count,
diff --git a/drivers/net/sfc/tx.c b/drivers/net/sfc/tx.c
index 389ede43e34..582fc752da9 100644
--- a/drivers/net/sfc/tx.c
+++ b/drivers/net/sfc/tx.c
@@ -12,6 +12,8 @@
 #include <linux/tcp.h>
 #include <linux/ip.h>
 #include <linux/in.h>
+#include <linux/ipv6.h>
+#include <net/ipv6.h>
 #include <linux/if_ether.h>
 #include <linux/highmem.h>
 #include "net_driver.h"
@@ -531,6 +533,7 @@ void efx_remove_tx_queue(struct efx_tx_queue *tx_queue)
 #define ETH_HDR_LEN(skb)  (skb_network_header(skb) - (skb)->data)
 #define SKB_TCP_OFF(skb)  PTR_DIFF(tcp_hdr(skb), (skb)->data)
 #define SKB_IPV4_OFF(skb) PTR_DIFF(ip_hdr(skb), (skb)->data)
+#define SKB_IPV6_OFF(skb) PTR_DIFF(ipv6_hdr(skb), (skb)->data)
 
 /**
  * struct tso_state - TSO state for an SKB
@@ -543,6 +546,7 @@ void efx_remove_tx_queue(struct efx_tx_queue *tx_queue)
  * @unmap_len: Length of SKB fragment
  * @unmap_addr: DMA address of SKB fragment
  * @unmap_single: DMA single vs page mapping flag
+ * @protocol: Network protocol (after any VLAN header)
  * @header_len: Number of bytes of header
  * @full_packet_size: Number of bytes to put in each outgoing segment
  *
@@ -563,6 +567,7 @@ struct tso_state {
 	dma_addr_t unmap_addr;
 	bool unmap_single;
 
+	__be16 protocol;
 	unsigned header_len;
 	int full_packet_size;
 };
@@ -570,9 +575,9 @@ struct tso_state {
 
 /*
  * Verify that our various assumptions about sk_buffs and the conditions
- * under which TSO will be attempted hold true.
+ * under which TSO will be attempted hold true.  Return the protocol number.
  */
-static void efx_tso_check_safe(struct sk_buff *skb)
+static __be16 efx_tso_check_protocol(struct sk_buff *skb)
 {
 	__be16 protocol = skb->protocol;
 
@@ -587,13 +592,22 @@ static void efx_tso_check_safe(struct sk_buff *skb)
 		if (protocol == htons(ETH_P_IP))
 			skb_set_transport_header(skb, sizeof(*veh) +
 						 4 * ip_hdr(skb)->ihl);
+		else if (protocol == htons(ETH_P_IPV6))
+			skb_set_transport_header(skb, sizeof(*veh) +
+						 sizeof(struct ipv6hdr));
 	}
 
-	EFX_BUG_ON_PARANOID(protocol != htons(ETH_P_IP));
-	EFX_BUG_ON_PARANOID(ip_hdr(skb)->protocol != IPPROTO_TCP);
+	if (protocol == htons(ETH_P_IP)) {
+		EFX_BUG_ON_PARANOID(ip_hdr(skb)->protocol != IPPROTO_TCP);
+	} else {
+		EFX_BUG_ON_PARANOID(protocol != htons(ETH_P_IPV6));
+		EFX_BUG_ON_PARANOID(ipv6_hdr(skb)->nexthdr != NEXTHDR_TCP);
+	}
 	EFX_BUG_ON_PARANOID((PTR_DIFF(tcp_hdr(skb), skb->data)
 			     + (tcp_hdr(skb)->doff << 2u)) >
 			    skb_headlen(skb));
+
+	return protocol;
 }
 
 
@@ -836,7 +850,10 @@ static void tso_start(struct tso_state *st, const struct sk_buff *skb)
 			  + PTR_DIFF(tcp_hdr(skb), skb->data));
 	st->full_packet_size = st->header_len + skb_shinfo(skb)->gso_size;
 
-	st->ipv4_id = ntohs(ip_hdr(skb)->id);
+	if (st->protocol == htons(ETH_P_IP))
+		st->ipv4_id = ntohs(ip_hdr(skb)->id);
+	else
+		st->ipv4_id = 0;
 	st->seqnum = ntohl(tcp_hdr(skb)->seq);
 
 	EFX_BUG_ON_PARANOID(tcp_hdr(skb)->urg);
@@ -951,7 +968,6 @@ static int tso_start_new_packet(struct efx_tx_queue *tx_queue,
 				struct tso_state *st)
 {
 	struct efx_tso_header *tsoh;
-	struct iphdr *tsoh_iph;
 	struct tcphdr *tsoh_th;
 	unsigned ip_length;
 	u8 *header;
@@ -975,7 +991,6 @@ static int tso_start_new_packet(struct efx_tx_queue *tx_queue,
 
 	header = TSOH_BUFFER(tsoh);
 	tsoh_th = (struct tcphdr *)(header + SKB_TCP_OFF(skb));
-	tsoh_iph = (struct iphdr *)(header + SKB_IPV4_OFF(skb));
 
 	/* Copy and update the headers. */
 	memcpy(header, skb->data, st->header_len);
@@ -993,11 +1008,22 @@ static int tso_start_new_packet(struct efx_tx_queue *tx_queue,
 		tsoh_th->fin = tcp_hdr(skb)->fin;
 		tsoh_th->psh = tcp_hdr(skb)->psh;
 	}
-	tsoh_iph->tot_len = htons(ip_length);
 
-	/* Linux leaves suitable gaps in the IP ID space for us to fill. */
-	tsoh_iph->id = htons(st->ipv4_id);
-	st->ipv4_id++;
+	if (st->protocol == htons(ETH_P_IP)) {
+		struct iphdr *tsoh_iph =
+			(struct iphdr *)(header + SKB_IPV4_OFF(skb));
+
+		tsoh_iph->tot_len = htons(ip_length);
+
+		/* Linux leaves suitable gaps in the IP ID space for us to fill. */
+		tsoh_iph->id = htons(st->ipv4_id);
+		st->ipv4_id++;
+	} else {
+		struct ipv6hdr *tsoh_iph =
+			(struct ipv6hdr *)(header + SKB_IPV6_OFF(skb));
+
+		tsoh_iph->payload_len = htons(ip_length - sizeof(*tsoh_iph));
+	}
 
 	st->packet_space = skb_shinfo(skb)->gso_size;
 	++tx_queue->tso_packets;
@@ -1027,8 +1053,8 @@ static int efx_enqueue_skb_tso(struct efx_tx_queue *tx_queue,
 	int frag_i, rc, rc2 = NETDEV_TX_OK;
 	struct tso_state state;
 
-	/* Verify TSO is safe - these checks should never fail. */
-	efx_tso_check_safe(skb);
+	/* Find the packet protocol and sanity-check it */
+	state.protocol = efx_tso_check_protocol(skb);
 
 	EFX_BUG_ON_PARANOID(tx_queue->write_count != tx_queue->insert_count);
 
-- 
GitLab


From 906bb26c0624d87df74e6642f2d74cde176fcc12 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Sun, 29 Nov 2009 15:16:19 +0000
Subject: [PATCH 1650/1815] sfc: Update version, copyright dates, authors

This driver has been mostly rewritten since Michael Brown's initial
work, so swap the order of the authors.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sfc/bitfield.h      | 2 +-
 drivers/net/sfc/efx.c           | 6 +++---
 drivers/net/sfc/efx.h           | 2 +-
 drivers/net/sfc/enum.h          | 2 +-
 drivers/net/sfc/ethtool.c       | 2 +-
 drivers/net/sfc/falcon.c        | 2 +-
 drivers/net/sfc/falcon_boards.c | 2 +-
 drivers/net/sfc/falcon_gmac.c   | 2 +-
 drivers/net/sfc/falcon_xmac.c   | 2 +-
 drivers/net/sfc/mac.h           | 2 +-
 drivers/net/sfc/mdio_10g.c      | 2 +-
 drivers/net/sfc/mdio_10g.h      | 2 +-
 drivers/net/sfc/mtd.c           | 2 +-
 drivers/net/sfc/net_driver.h    | 4 ++--
 drivers/net/sfc/nic.c           | 2 +-
 drivers/net/sfc/nic.h           | 2 +-
 drivers/net/sfc/phy.h           | 2 +-
 drivers/net/sfc/qt202x_phy.c    | 2 +-
 drivers/net/sfc/rx.c            | 2 +-
 drivers/net/sfc/selftest.c      | 2 +-
 drivers/net/sfc/tenxpress.c     | 2 +-
 drivers/net/sfc/tx.c            | 2 +-
 drivers/net/sfc/workarounds.h   | 2 +-
 23 files changed, 26 insertions(+), 26 deletions(-)

diff --git a/drivers/net/sfc/bitfield.h b/drivers/net/sfc/bitfield.h
index bb5de4fe925..098ac2ad757 100644
--- a/drivers/net/sfc/bitfield.h
+++ b/drivers/net/sfc/bitfield.h
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Driver for Solarflare Solarstorm network controllers and boards
  * Copyright 2005-2006 Fen Systems Ltd.
- * Copyright 2006-2008 Solarflare Communications Inc.
+ * Copyright 2006-2009 Solarflare Communications Inc.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 as published
diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 3c0d6bea126..f983e3b507c 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Driver for Solarflare Solarstorm network controllers and boards
  * Copyright 2005-2006 Fen Systems Ltd.
- * Copyright 2005-2008 Solarflare Communications Inc.
+ * Copyright 2005-2009 Solarflare Communications Inc.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 as published
@@ -2453,8 +2453,8 @@ static void __exit efx_exit_module(void)
 module_init(efx_init_module);
 module_exit(efx_exit_module);
 
-MODULE_AUTHOR("Michael Brown <mbrown@fensystems.co.uk> and "
-	      "Solarflare Communications");
+MODULE_AUTHOR("Solarflare Communications and "
+	      "Michael Brown <mbrown@fensystems.co.uk>");
 MODULE_DESCRIPTION("Solarflare Communications network driver");
 MODULE_LICENSE("GPL");
 MODULE_DEVICE_TABLE(pci, efx_pci_table);
diff --git a/drivers/net/sfc/efx.h b/drivers/net/sfc/efx.h
index b4470da2386..a615ac05153 100644
--- a/drivers/net/sfc/efx.h
+++ b/drivers/net/sfc/efx.h
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Driver for Solarflare Solarstorm network controllers and boards
  * Copyright 2005-2006 Fen Systems Ltd.
- * Copyright 2006-2008 Solarflare Communications Inc.
+ * Copyright 2006-2009 Solarflare Communications Inc.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 as published
diff --git a/drivers/net/sfc/enum.h b/drivers/net/sfc/enum.h
index b1f7a40ab15..384cfe3b1be 100644
--- a/drivers/net/sfc/enum.h
+++ b/drivers/net/sfc/enum.h
@@ -1,6 +1,6 @@
 /****************************************************************************
  * Driver for Solarflare Solarstorm network controllers and boards
- * Copyright 2007-2008 Solarflare Communications Inc.
+ * Copyright 2007-2009 Solarflare Communications Inc.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 as published
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index f6981216f1f..6c0bbed8c47 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Driver for Solarflare Solarstorm network controllers and boards
  * Copyright 2005-2006 Fen Systems Ltd.
- * Copyright 2006-2008 Solarflare Communications Inc.
+ * Copyright 2006-2009 Solarflare Communications Inc.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 as published
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 48d28d828d4..17afcd26e87 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Driver for Solarflare Solarstorm network controllers and boards
  * Copyright 2005-2006 Fen Systems Ltd.
- * Copyright 2006-2008 Solarflare Communications Inc.
+ * Copyright 2006-2009 Solarflare Communications Inc.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 as published
diff --git a/drivers/net/sfc/falcon_boards.c b/drivers/net/sfc/falcon_boards.c
index fa4d4c72ccd..bf0b96af533 100644
--- a/drivers/net/sfc/falcon_boards.c
+++ b/drivers/net/sfc/falcon_boards.c
@@ -1,6 +1,6 @@
 /****************************************************************************
  * Driver for Solarflare Solarstorm network controllers and boards
- * Copyright 2007-2008 Solarflare Communications Inc.
+ * Copyright 2007-2009 Solarflare Communications Inc.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 as published
diff --git a/drivers/net/sfc/falcon_gmac.c b/drivers/net/sfc/falcon_gmac.c
index aa9b689cadc..7dadfcbd6ce 100644
--- a/drivers/net/sfc/falcon_gmac.c
+++ b/drivers/net/sfc/falcon_gmac.c
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Driver for Solarflare Solarstorm network controllers and boards
  * Copyright 2005-2006 Fen Systems Ltd.
- * Copyright 2006-2008 Solarflare Communications Inc.
+ * Copyright 2006-2009 Solarflare Communications Inc.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 as published
diff --git a/drivers/net/sfc/falcon_xmac.c b/drivers/net/sfc/falcon_xmac.c
index cd63f242698..3da933f8f07 100644
--- a/drivers/net/sfc/falcon_xmac.c
+++ b/drivers/net/sfc/falcon_xmac.c
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Driver for Solarflare Solarstorm network controllers and boards
  * Copyright 2005-2006 Fen Systems Ltd.
- * Copyright 2006-2008 Solarflare Communications Inc.
+ * Copyright 2006-2009 Solarflare Communications Inc.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 as published
diff --git a/drivers/net/sfc/mac.h b/drivers/net/sfc/mac.h
index c733863fa41..f1aa5f37489 100644
--- a/drivers/net/sfc/mac.h
+++ b/drivers/net/sfc/mac.h
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Driver for Solarflare Solarstorm network controllers and boards
  * Copyright 2005-2006 Fen Systems Ltd.
- * Copyright 2006-2008 Solarflare Communications Inc.
+ * Copyright 2006-2009 Solarflare Communications Inc.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 as published
diff --git a/drivers/net/sfc/mdio_10g.c b/drivers/net/sfc/mdio_10g.c
index 19496da3e2b..1574e52f059 100644
--- a/drivers/net/sfc/mdio_10g.c
+++ b/drivers/net/sfc/mdio_10g.c
@@ -1,6 +1,6 @@
 /****************************************************************************
  * Driver for Solarflare Solarstorm network controllers and boards
- * Copyright 2006-2008 Solarflare Communications Inc.
+ * Copyright 2006-2009 Solarflare Communications Inc.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 as published
diff --git a/drivers/net/sfc/mdio_10g.h b/drivers/net/sfc/mdio_10g.h
index dbc8e7de292..f6ac9503339 100644
--- a/drivers/net/sfc/mdio_10g.h
+++ b/drivers/net/sfc/mdio_10g.h
@@ -1,6 +1,6 @@
 /****************************************************************************
  * Driver for Solarflare Solarstorm network controllers and boards
- * Copyright 2006-2008 Solarflare Communications Inc.
+ * Copyright 2006-2009 Solarflare Communications Inc.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 as published
diff --git a/drivers/net/sfc/mtd.c b/drivers/net/sfc/mtd.c
index ef561f8af4d..3a464529a46 100644
--- a/drivers/net/sfc/mtd.c
+++ b/drivers/net/sfc/mtd.c
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Driver for Solarflare Solarstorm network controllers and boards
  * Copyright 2005-2006 Fen Systems Ltd.
- * Copyright 2006-2008 Solarflare Communications Inc.
+ * Copyright 2006-2009 Solarflare Communications Inc.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 as published
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index ec132038b26..34c381f009b 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Driver for Solarflare Solarstorm network controllers and boards
  * Copyright 2005-2006 Fen Systems Ltd.
- * Copyright 2005-2008 Solarflare Communications Inc.
+ * Copyright 2005-2009 Solarflare Communications Inc.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 as published
@@ -38,7 +38,7 @@
 #ifndef EFX_DRIVER_NAME
 #define EFX_DRIVER_NAME	"sfc"
 #endif
-#define EFX_DRIVER_VERSION	"2.3"
+#define EFX_DRIVER_VERSION	"3.0"
 
 #ifdef EFX_ENABLE_DEBUG
 #define EFX_BUG_ON_PARANOID(x) BUG_ON(x)
diff --git a/drivers/net/sfc/nic.c b/drivers/net/sfc/nic.c
index 5ac4b1af839..a577be22786 100644
--- a/drivers/net/sfc/nic.c
+++ b/drivers/net/sfc/nic.c
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Driver for Solarflare Solarstorm network controllers and boards
  * Copyright 2005-2006 Fen Systems Ltd.
- * Copyright 2006-2008 Solarflare Communications Inc.
+ * Copyright 2006-2009 Solarflare Communications Inc.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 as published
diff --git a/drivers/net/sfc/nic.h b/drivers/net/sfc/nic.h
index 57c510d8c34..9351c0331a4 100644
--- a/drivers/net/sfc/nic.h
+++ b/drivers/net/sfc/nic.h
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Driver for Solarflare Solarstorm network controllers and boards
  * Copyright 2005-2006 Fen Systems Ltd.
- * Copyright 2006-2008 Solarflare Communications Inc.
+ * Copyright 2006-2009 Solarflare Communications Inc.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 as published
diff --git a/drivers/net/sfc/phy.h b/drivers/net/sfc/phy.h
index 64dff2d5952..5bc26137257 100644
--- a/drivers/net/sfc/phy.h
+++ b/drivers/net/sfc/phy.h
@@ -1,6 +1,6 @@
 /****************************************************************************
  * Driver for Solarflare Solarstorm network controllers and boards
- * Copyright 2007-2008 Solarflare Communications Inc.
+ * Copyright 2007-2009 Solarflare Communications Inc.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 as published
diff --git a/drivers/net/sfc/qt202x_phy.c b/drivers/net/sfc/qt202x_phy.c
index 957e534a179..3800fc791b2 100644
--- a/drivers/net/sfc/qt202x_phy.c
+++ b/drivers/net/sfc/qt202x_phy.c
@@ -1,6 +1,6 @@
 /****************************************************************************
  * Driver for Solarflare Solarstorm network controllers and boards
- * Copyright 2006-2008 Solarflare Communications Inc.
+ * Copyright 2006-2009 Solarflare Communications Inc.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 as published
diff --git a/drivers/net/sfc/rx.c b/drivers/net/sfc/rx.c
index 03eace323d3..a97c923b560 100644
--- a/drivers/net/sfc/rx.c
+++ b/drivers/net/sfc/rx.c
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Driver for Solarflare Solarstorm network controllers and boards
  * Copyright 2005-2006 Fen Systems Ltd.
- * Copyright 2005-2008 Solarflare Communications Inc.
+ * Copyright 2005-2009 Solarflare Communications Inc.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 as published
diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c
index 1635f575112..14949bb303a 100644
--- a/drivers/net/sfc/selftest.c
+++ b/drivers/net/sfc/selftest.c
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Driver for Solarflare Solarstorm network controllers and boards
  * Copyright 2005-2006 Fen Systems Ltd.
- * Copyright 2006-2008 Solarflare Communications Inc.
+ * Copyright 2006-2009 Solarflare Communications Inc.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 as published
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c
index ff97133c2b9..ca11572a49a 100644
--- a/drivers/net/sfc/tenxpress.c
+++ b/drivers/net/sfc/tenxpress.c
@@ -1,6 +1,6 @@
 /****************************************************************************
  * Driver for Solarflare Solarstorm network controllers and boards
- * Copyright 2007-2008 Solarflare Communications Inc.
+ * Copyright 2007-2009 Solarflare Communications Inc.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 as published
diff --git a/drivers/net/sfc/tx.c b/drivers/net/sfc/tx.c
index 582fc752da9..e669f94e821 100644
--- a/drivers/net/sfc/tx.c
+++ b/drivers/net/sfc/tx.c
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Driver for Solarflare Solarstorm network controllers and boards
  * Copyright 2005-2006 Fen Systems Ltd.
- * Copyright 2005-2008 Solarflare Communications Inc.
+ * Copyright 2005-2009 Solarflare Communications Inc.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 as published
diff --git a/drivers/net/sfc/workarounds.h b/drivers/net/sfc/workarounds.h
index ecee8f57d7f..acd9c734e48 100644
--- a/drivers/net/sfc/workarounds.h
+++ b/drivers/net/sfc/workarounds.h
@@ -1,6 +1,6 @@
 /****************************************************************************
  * Driver for Solarflare Solarstorm network controllers and boards
- * Copyright 2006-2008 Solarflare Communications Inc.
+ * Copyright 2006-2009 Solarflare Communications Inc.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 as published
-- 
GitLab


From e7473f12be7712aafe6df163222f26caadee1175 Mon Sep 17 00:00:00 2001
From: Amit Kumar Salecha <amit.salecha@qlogic.com>
Date: Sun, 29 Nov 2009 21:54:55 -0800
Subject: [PATCH 1651/1815] netxen: fix merge 9b963e5d0e01461099a

Patch "fix memory initialization:5d521fd36de4e61" didn't got merge.

Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/netxen/netxen_nic_init.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index 6ee27a630d8..80a66746051 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -528,6 +528,8 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter)
 				continue;
 			if (off == (ROMUSB_GLB + 0x1c)) /* MS clock */
 				continue;
+			if ((off & 0x0ff00000) == NETXEN_CRB_DDR_NET)
+				continue;
 			if (off == (NETXEN_CRB_PEG_NET_1 + 0x18) &&
 				!NX_IS_REVISION_P3P(adapter->ahw.revision_id))
 				buf[i].data = 0x1020;
-- 
GitLab


From 48b3d3efbd200ede1a4170bbcd81c062306a1907 Mon Sep 17 00:00:00 2001
From: Rudy Matela <rudy.matela@gmail.com>
Date: Sun, 29 Nov 2009 23:42:14 -0800
Subject: [PATCH 1652/1815] wan: Frame Relay/DLCI coding style corrections.

Added a space separating some keywords (if/while) from the following
parenthesis to conform to the CodingStyle.

Signed-off-by: Rudy Matela <rudy.matela@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/wan/dlci.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wan/dlci.c b/drivers/net/wan/dlci.c
index 15d353f268b..421d0715310 100644
--- a/drivers/net/wan/dlci.c
+++ b/drivers/net/wan/dlci.c
@@ -77,7 +77,7 @@ static int dlci_header(struct sk_buff *skb, struct net_device *dev,
 	dlp = netdev_priv(dev);
 
 	hdr.control = FRAD_I_UI;
-	switch(type)
+	switch (type)
 	{
 		case ETH_P_IP:
 			hdr.IP_NLPID = FRAD_P_IP;
@@ -130,7 +130,7 @@ static void dlci_receive(struct sk_buff *skb, struct net_device *dev)
 		dev->stats.rx_errors++;
 	}
 	else
-		switch(hdr->IP_NLPID)
+		switch (hdr->IP_NLPID)
 		{
 			case FRAD_P_PADDING:
 				if (hdr->NLPID != FRAD_P_SNAP)
@@ -208,7 +208,7 @@ static int dlci_config(struct net_device *dev, struct dlci_conf __user *conf, in
 
 	if (!get)
 	{
-		if(copy_from_user(&config, conf, sizeof(struct dlci_conf)))
+		if (copy_from_user(&config, conf, sizeof(struct dlci_conf)))
 			return -EFAULT;
 		if (config.flags & ~DLCI_VALID_FLAGS)
 			return(-EINVAL);
@@ -222,7 +222,7 @@ static int dlci_config(struct net_device *dev, struct dlci_conf __user *conf, in
 
 	if (get)
 	{
-		if(copy_to_user(conf, &dlp->config, sizeof(struct dlci_conf)))
+		if (copy_to_user(conf, &dlp->config, sizeof(struct dlci_conf)))
 			return -EFAULT;
 	}
 
@@ -238,7 +238,7 @@ static int dlci_dev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 
 	dlp = netdev_priv(dev);
 
-	switch(cmd)
+	switch (cmd)
 	{
 		case DLCI_GET_SLAVE:
 			if (!*(short *)(dev->dev_addr))
@@ -417,7 +417,7 @@ static int dlci_ioctl(unsigned int cmd, void __user *arg)
 	if (!capable(CAP_NET_ADMIN))
 		return(-EPERM);
 
-	if(copy_from_user(&add, arg, sizeof(struct dlci_add)))
+	if (copy_from_user(&add, arg, sizeof(struct dlci_add)))
 		return -EFAULT;
 
 	switch (cmd)
@@ -426,7 +426,7 @@ static int dlci_ioctl(unsigned int cmd, void __user *arg)
 			err = dlci_add(&add);
 
 			if (!err)
-				if(copy_to_user(arg, &add, sizeof(struct dlci_add)))
+				if (copy_to_user(arg, &add, sizeof(struct dlci_add)))
 					return -EFAULT;
 			break;
 
-- 
GitLab


From 6f7ad1e3a24a64923538557b686d24c37b26f9d8 Mon Sep 17 00:00:00 2001
From: Rudy Matela <rudy.matela@gmail.com>
Date: Sun, 29 Nov 2009 23:42:42 -0800
Subject: [PATCH 1653/1815] wan: Coding style correction in HDLC/Frame Relay
 support routines

Added a space separating some if keywords from the following
parenthesis to conform to the CodingStyle.

Signed-off-by: Rudy Matela <rudy.matela@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/wan/hdlc_fr.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wan/hdlc_fr.c b/drivers/net/wan/hdlc_fr.c
index 840cff72a0f..a7d4fc1a03a 100644
--- a/drivers/net/wan/hdlc_fr.c
+++ b/drivers/net/wan/hdlc_fr.c
@@ -1214,10 +1214,10 @@ static int fr_ioctl(struct net_device *dev, struct ifreq *ifr)
 		return 0;
 
 	case IF_PROTO_FR:
-		if(!capable(CAP_NET_ADMIN))
+		if (!capable(CAP_NET_ADMIN))
 			return -EPERM;
 
-		if(dev->flags & IFF_UP)
+		if (dev->flags & IFF_UP)
 			return -EBUSY;
 
 		if (copy_from_user(&new_settings, fr_s, size))
@@ -1263,7 +1263,7 @@ static int fr_ioctl(struct net_device *dev, struct ifreq *ifr)
 		if (dev_to_hdlc(dev)->proto != &proto) /* Different proto */
 			return -EINVAL;
 
-		if(!capable(CAP_NET_ADMIN))
+		if (!capable(CAP_NET_ADMIN))
 			return -EPERM;
 
 		if (copy_from_user(&pvc, ifr->ifr_settings.ifs_ifsu.fr_pvc,
-- 
GitLab


From 1fdf475aa141a669af8db6ccc7015f0b725087de Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Mon, 30 Nov 2009 12:53:30 -0800
Subject: [PATCH 1654/1815] tcp: tcp_disconnect() should clear window_clamp

NFS can reuse its TCP socket after calling tcp_disconnect().

We noticed window scaling was not negotiated in SYN packet of next
connection request.

Fix is to clear tp->window_clamp in tcp_disconnect().

Reported-by: Krzysztof Oledzki <ole@ans.pl>
Tested-by: Krzysztof Oledzki <ole@ans.pl>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/tcp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index f1813bc7108..d7a884c534a 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2059,6 +2059,7 @@ int tcp_disconnect(struct sock *sk, int flags)
 	tp->snd_ssthresh = TCP_INFINITE_SSTHRESH;
 	tp->snd_cwnd_cnt = 0;
 	tp->bytes_acked = 0;
+	tp->window_clamp = 0;
 	tcp_set_ca_state(sk, TCP_CA_Open);
 	tcp_clear_retrans(tp);
 	inet_csk_delack_init(sk);
-- 
GitLab


From 138f3c8518976953563a1316d7e0420c72d4ab96 Mon Sep 17 00:00:00 2001
From: Li Yewang <lyw@cn.fujitsu.com>
Date: Tue, 1 Dec 2009 15:35:05 -0800
Subject: [PATCH 1655/1815] ipsec: can not add camellia cipher algorithm when
 using "ip xfrm state" command

can not add camellia cipher algorithm when using "ip xfrm state" command.

Signed-off-by: Li Yewang <lyw@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/xfrm/xfrm_algo.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/xfrm/xfrm_algo.c b/net/xfrm/xfrm_algo.c
index faf54c6bf96..348196df81e 100644
--- a/net/xfrm/xfrm_algo.c
+++ b/net/xfrm/xfrm_algo.c
@@ -365,6 +365,7 @@ static struct xfrm_algo_desc ealg_list[] = {
 },
 {
 	.name = "cbc(camellia)",
+	.compat = "camellia",
 
 	.uinfo = {
 		.encr = {
-- 
GitLab


From b2722b1c3a893ec6021508da15b32282ec79f4da Mon Sep 17 00:00:00 2001
From: Patrick McHardy <kaber@trash.net>
Date: Tue, 1 Dec 2009 15:53:57 -0800
Subject: [PATCH 1656/1815] ip_fragment: also adjust skb->truesize for packets
 not owned by a socket

When a large packet gets reassembled by ip_defrag(), the head skb
accounts for all the fragments in skb->truesize. If this packet is
refragmented again, skb->truesize is not re-adjusted to reflect only
the head size since its not owned by a socket. If the head fragment
then gets recycled and reused for another received fragment, it might
exceed the defragmentation limits due to its large truesize value.

skb_recycle_check() explicitly checks for linear skbs, so any recycled
skb should reflect its true size in skb->truesize. Change ip_fragment()
to also adjust the truesize value of skbs not owned by a socket.

Reported-and-tested-by: Ben Menchaca <ben@bigfootnetworks.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/ip_output.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index f9895180f48..4d50daab0c3 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -501,8 +501,8 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
 			if (skb->sk) {
 				frag->sk = skb->sk;
 				frag->destructor = sock_wfree;
-				truesizes += frag->truesize;
 			}
+			truesizes += frag->truesize;
 		}
 
 		/* Everything is OK. Generate! */
-- 
GitLab


From 5a5b6f6f62ac684a5856121d8cffd3c3253dc890 Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Mon, 30 Nov 2009 13:02:23 -0800
Subject: [PATCH 1657/1815] MIPS: Wire up recvmmsg syscall

Reported-by: Jean-Mickael Guerin <jean-mickael.guerin@6wind.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 arch/mips/include/asm/unistd.h | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/arch/mips/include/asm/unistd.h b/arch/mips/include/asm/unistd.h
index 8c9dfa9e901..65c679ecbe6 100644
--- a/arch/mips/include/asm/unistd.h
+++ b/arch/mips/include/asm/unistd.h
@@ -355,16 +355,17 @@
 #define __NR_rt_tgsigqueueinfo		(__NR_Linux + 332)
 #define __NR_perf_event_open		(__NR_Linux + 333)
 #define __NR_accept4			(__NR_Linux + 334)
+#define __NR_recvmmsg			(__NR_Linux + 335)
 
 /*
  * Offset of the last Linux o32 flavoured syscall
  */
-#define __NR_Linux_syscalls		334
+#define __NR_Linux_syscalls		335
 
 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
 
 #define __NR_O32_Linux			4000
-#define __NR_O32_Linux_syscalls		334
+#define __NR_O32_Linux_syscalls		335
 
 #if _MIPS_SIM == _MIPS_SIM_ABI64
 
@@ -666,16 +667,17 @@
 #define __NR_rt_tgsigqueueinfo		(__NR_Linux + 291)
 #define __NR_perf_event_open		(__NR_Linux + 292)
 #define __NR_accept4			(__NR_Linux + 293)
+#define __NR_recvmmsg			(__NR_Linux + 294)
 
 /*
  * Offset of the last Linux 64-bit flavoured syscall
  */
-#define __NR_Linux_syscalls		293
+#define __NR_Linux_syscalls		294
 
 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */
 
 #define __NR_64_Linux			5000
-#define __NR_64_Linux_syscalls		293
+#define __NR_64_Linux_syscalls		294
 
 #if _MIPS_SIM == _MIPS_SIM_NABI32
 
@@ -981,16 +983,17 @@
 #define __NR_rt_tgsigqueueinfo		(__NR_Linux + 295)
 #define __NR_perf_event_open		(__NR_Linux + 296)
 #define __NR_accept4			(__NR_Linux + 297)
+#define __NR_recvmmsg			(__NR_Linux + 298)
 
 /*
  * Offset of the last N32 flavoured syscall
  */
-#define __NR_Linux_syscalls		297
+#define __NR_Linux_syscalls		298
 
 #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */
 
 #define __NR_N32_Linux			6000
-#define __NR_N32_Linux_syscalls		297
+#define __NR_N32_Linux_syscalls		298
 
 #ifdef __KERNEL__
 
-- 
GitLab


From a5ee155136b4a8f4ab0e4c9c064b661da475e298 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Sun, 29 Nov 2009 15:45:58 +0000
Subject: [PATCH 1658/1815] net: NETDEV_UNREGISTER_PERNET ->
 NETDEV_UNREGISTER_BATCH

The motivation for an additional notifier in batched netdevice
notification (rt_do_flush) only needs to be called once per batch not
once per namespace.

For further batching improvements I need a guarantee that the
netdevices are unregistered in order allowing me to unregister an all
of the network devices in a network namespace at the same time with
the guarantee that the loopback device is really and truly
unregistered last.

Additionally it appears that we moved the route cache flush after
the final synchronize_net, which seems wrong and there was no
explanation.  So I have restored the original location of the final
synchronize_net.

Cc: Octavian Purdila <opurdila@ixiacom.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/notifier.h |  2 +-
 include/net/route.h      |  1 +
 net/core/dev.c           | 36 +++++++++---------------------------
 net/ipv4/fib_frontend.c  |  4 +++-
 net/ipv4/route.c         |  6 ++++++
 5 files changed, 20 insertions(+), 29 deletions(-)

diff --git a/include/linux/notifier.h b/include/linux/notifier.h
index b0c3671d463..fee6c2f6807 100644
--- a/include/linux/notifier.h
+++ b/include/linux/notifier.h
@@ -202,7 +202,7 @@ static inline int notifier_to_errno(int ret)
 #define NETDEV_BONDING_OLDTYPE  0x000E
 #define NETDEV_BONDING_NEWTYPE  0x000F
 #define NETDEV_POST_INIT	0x0010
-#define NETDEV_UNREGISTER_PERNET 0x0011
+#define NETDEV_UNREGISTER_BATCH 0x0011
 
 #define SYS_DOWN	0x0001	/* Notify of system down */
 #define SYS_RESTART	SYS_DOWN
diff --git a/include/net/route.h b/include/net/route.h
index cfb4c071a13..bce6dd68d27 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -108,6 +108,7 @@ extern int		ip_rt_init(void);
 extern void		ip_rt_redirect(__be32 old_gw, __be32 dst, __be32 new_gw,
 				       __be32 src, struct net_device *dev);
 extern void		rt_cache_flush(struct net *net, int how);
+extern void		rt_cache_flush_batch(void);
 extern int		__ip_route_output_key(struct net *, struct rtable **, const struct flowi *flp);
 extern int		ip_route_output_key(struct net *, struct rtable **, struct flowi *flp);
 extern int		ip_route_output_flow(struct net *, struct rtable **rp, struct flowi *flp, struct sock *sk, int flags);
diff --git a/net/core/dev.c b/net/core/dev.c
index 5d131c2f84c..bb37ee1e090 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1353,7 +1353,7 @@ rollback:
 				nb->notifier_call(nb, NETDEV_DOWN, dev);
 			}
 			nb->notifier_call(nb, NETDEV_UNREGISTER, dev);
-			nb->notifier_call(nb, NETDEV_UNREGISTER_PERNET, dev);
+			nb->notifier_call(nb, NETDEV_UNREGISTER_BATCH, dev);
 		}
 	}
 
@@ -4771,8 +4771,7 @@ static void net_set_todo(struct net_device *dev)
 
 static void rollback_registered_many(struct list_head *head)
 {
-	struct net_device *dev, *aux, *fdev;
-	LIST_HEAD(pernet_list);
+	struct net_device *dev;
 
 	BUG_ON(dev_boot_phase);
 	ASSERT_RTNL();
@@ -4828,26 +4827,14 @@ static void rollback_registered_many(struct list_head *head)
 		netdev_unregister_kobject(dev);
 	}
 
-	synchronize_net();
+	/* Process any work delayed until the end of the batch */
+	dev = list_entry(head->next, struct net_device, unreg_list);
+	call_netdevice_notifiers(NETDEV_UNREGISTER_BATCH, dev);
 
-	list_for_each_entry_safe(dev, aux, head, unreg_list) {
-		int new_net = 1;
-		list_for_each_entry(fdev, &pernet_list, unreg_list) {
-			if (net_eq(dev_net(dev), dev_net(fdev))) {
-				new_net = 0;
-				dev_put(dev);
-				break;
-			}
-		}
-		if (new_net)
-			list_move(&dev->unreg_list, &pernet_list);
-	}
+	synchronize_net();
 
-	list_for_each_entry_safe(dev, aux, &pernet_list, unreg_list) {
-		call_netdevice_notifiers(NETDEV_UNREGISTER_PERNET, dev);
-		list_move(&dev->unreg_list, head);
+	list_for_each_entry(dev, head, unreg_list)
 		dev_put(dev);
-	}
 }
 
 static void rollback_registered(struct net_device *dev)
@@ -5129,7 +5116,7 @@ static void netdev_wait_allrefs(struct net_device *dev)
 
 			/* Rebroadcast unregister notification */
 			call_netdevice_notifiers(NETDEV_UNREGISTER, dev);
-			/* don't resend NETDEV_UNREGISTER_PERNET, _PERNET users
+			/* don't resend NETDEV_UNREGISTER_BATCH, _BATCH users
 			 * should have already handle it the first time */
 
 			if (test_bit(__LINK_STATE_LINKWATCH_PENDING,
@@ -5442,11 +5429,6 @@ EXPORT_SYMBOL(unregister_netdevice_queue);
 /**
  *	unregister_netdevice_many - unregister many devices
  *	@head: list of devices
- *
- *	WARNING: Calling this modifies the given list
- *	(in rollback_registered_many). It may change the order of the elements
- *	in the list. However, you can assume it does not add or delete elements
- *	to/from the list.
  */
 void unregister_netdevice_many(struct list_head *head)
 {
@@ -5555,7 +5537,7 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
 	   this device. They should clean all the things.
 	*/
 	call_netdevice_notifiers(NETDEV_UNREGISTER, dev);
-	call_netdevice_notifiers(NETDEV_UNREGISTER_PERNET, dev);
+	call_netdevice_notifiers(NETDEV_UNREGISTER_BATCH, dev);
 
 	/*
 	 *	Flush the unicast and multicast chains
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 6c1e56aef1f..3b373a8b047 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -959,9 +959,11 @@ static int fib_netdev_event(struct notifier_block *this, unsigned long event, vo
 		break;
 	case NETDEV_CHANGEMTU:
 	case NETDEV_CHANGE:
-	case NETDEV_UNREGISTER_PERNET:
 		rt_cache_flush(dev_net(dev), 0);
 		break;
+	case NETDEV_UNREGISTER_BATCH:
+		rt_cache_flush_batch();
+		break;
 	}
 	return NOTIFY_DONE;
 }
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 9889fbd9648..90cdcfc3293 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -900,6 +900,12 @@ void rt_cache_flush(struct net *net, int delay)
 		rt_do_flush(!in_softirq());
 }
 
+/* Flush previous cache invalidated entries from the cache */
+void rt_cache_flush_batch(void)
+{
+	rt_do_flush(!in_softirq());
+}
+
 /*
  * We change rt_genid and let gc do the cleanup
  */
-- 
GitLab


From dcbccbd4f1f6ad0f0e169d4b2e816e42bde06f82 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Sun, 29 Nov 2009 22:25:26 +0000
Subject: [PATCH 1659/1815] net: Implement for_each_netdev_reverse.

I will need this shortly to implement network namespace shutdown
batching.  For sanity sake network devices should be removed in
the reverse order they were created in.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/netdevice.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 9428793775a..daf13d36749 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1112,6 +1112,8 @@ extern rwlock_t				dev_base_lock;		/* Device list lock */
 
 #define for_each_netdev(net, d)		\
 		list_for_each_entry(d, &(net)->dev_base_head, dev_list)
+#define for_each_netdev_reverse(net, d)	\
+		list_for_each_entry_reverse(d, &(net)->dev_base_head, dev_list)
 #define for_each_netdev_rcu(net, d)		\
 		list_for_each_entry_rcu(d, &(net)->dev_base_head, dev_list)
 #define for_each_netdev_safe(net, d, n)	\
-- 
GitLab


From 2b035b39970740722598f7a9d548835f9bdd730f Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <eric@conroxe.ebiederm.org>
Date: Sun, 29 Nov 2009 22:25:27 +0000
Subject: [PATCH 1660/1815] net: Batch network namespace destruction.

It is fairly common to kill several network namespaces at once.  Either
because they are nested one inside the other or because they are cooperating
in multiple machine networking experiments.  As the network stack control logic
does not parallelize easily batch up multiple network namespaces existing
together.

To get the full benefit of batching the virtual network devices to be
removed must be all removed in one batch.  For that purpose I have added
a loop after the last network device operations have run that batches
up all remaining network devices and deletes them.

An extra benefit is that the reorganization slightly shrinks the size
of the per network namespace data structures replaceing a work_struct
with a list_head.

In a trivial test with 4K namespaces this change reduced the cost of
a destroying 4K namespaces from 7+ minutes (at 12% cpu) to 44 seconds
(at 60% cpu).  The bulk of that 44s was spent in inet_twsk_purge.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/net_namespace.h |  2 +-
 net/core/net_namespace.c    | 66 ++++++++++++++++++++++++++++++++-----
 2 files changed, 59 insertions(+), 9 deletions(-)

diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 0addd45038a..d69b4796030 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -42,7 +42,7 @@ struct net {
 						 */
 #endif
 	struct list_head	list;		/* list of network namespaces */
-	struct work_struct	work;		/* work struct for freeing */
+	struct list_head	cleanup_list;	/* namespaces on death row */
 
 	struct proc_dir_entry 	*proc_net;
 	struct proc_dir_entry 	*proc_net_stat;
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 86ed7f44d08..a42caa2b909 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -8,8 +8,10 @@
 #include <linux/idr.h>
 #include <linux/rculist.h>
 #include <linux/nsproxy.h>
+#include <linux/netdevice.h>
 #include <net/net_namespace.h>
 #include <net/netns/generic.h>
+#include <net/rtnetlink.h>
 
 /*
  *	Our network namespace constructor/destructor lists
@@ -27,6 +29,20 @@ EXPORT_SYMBOL(init_net);
 
 #define INITIAL_NET_GEN_PTRS	13 /* +1 for len +2 for rcu_head */
 
+static void unregister_netdevices(struct net *net, struct list_head *list)
+{
+	struct net_device *dev;
+	/* At exit all network devices most be removed from a network
+	 * namespace.  Do this in the reverse order of registeration.
+	 */
+	for_each_netdev_reverse(net, dev) {
+		if (dev->rtnl_link_ops)
+			dev->rtnl_link_ops->dellink(dev, list);
+		else
+			unregister_netdevice_queue(dev, list);
+	}
+}
+
 /*
  * setup_net runs the initializers for the network namespace object.
  */
@@ -59,6 +75,13 @@ out_undo:
 	list_for_each_entry_continue_reverse(ops, &pernet_list, list) {
 		if (ops->exit)
 			ops->exit(net);
+		if (&ops->list == first_device) {
+			LIST_HEAD(dev_kill_list);
+			rtnl_lock();
+			unregister_netdevices(net, &dev_kill_list);
+			unregister_netdevice_many(&dev_kill_list);
+			rtnl_unlock();
+		}
 	}
 
 	rcu_barrier();
@@ -147,18 +170,26 @@ struct net *copy_net_ns(unsigned long flags, struct net *old_net)
 	return net_create();
 }
 
+static DEFINE_SPINLOCK(cleanup_list_lock);
+static LIST_HEAD(cleanup_list);  /* Must hold cleanup_list_lock to touch */
+
 static void cleanup_net(struct work_struct *work)
 {
 	struct pernet_operations *ops;
-	struct net *net;
+	struct net *net, *tmp;
+	LIST_HEAD(net_kill_list);
 
-	net = container_of(work, struct net, work);
+	/* Atomically snapshot the list of namespaces to cleanup */
+	spin_lock_irq(&cleanup_list_lock);
+	list_replace_init(&cleanup_list, &net_kill_list);
+	spin_unlock_irq(&cleanup_list_lock);
 
 	mutex_lock(&net_mutex);
 
 	/* Don't let anyone else find us. */
 	rtnl_lock();
-	list_del_rcu(&net->list);
+	list_for_each_entry(net, &net_kill_list, cleanup_list)
+		list_del_rcu(&net->list);
 	rtnl_unlock();
 
 	/*
@@ -170,8 +201,18 @@ static void cleanup_net(struct work_struct *work)
 
 	/* Run all of the network namespace exit methods */
 	list_for_each_entry_reverse(ops, &pernet_list, list) {
-		if (ops->exit)
-			ops->exit(net);
+		if (ops->exit) {
+			list_for_each_entry(net, &net_kill_list, cleanup_list)
+				ops->exit(net);
+		}
+		if (&ops->list == first_device) {
+			LIST_HEAD(dev_kill_list);
+			rtnl_lock();
+			list_for_each_entry(net, &net_kill_list, cleanup_list)
+				unregister_netdevices(net, &dev_kill_list);
+			unregister_netdevice_many(&dev_kill_list);
+			rtnl_unlock();
+		}
 	}
 
 	mutex_unlock(&net_mutex);
@@ -182,14 +223,23 @@ static void cleanup_net(struct work_struct *work)
 	rcu_barrier();
 
 	/* Finally it is safe to free my network namespace structure */
-	net_free(net);
+	list_for_each_entry_safe(net, tmp, &net_kill_list, cleanup_list) {
+		list_del_init(&net->cleanup_list);
+		net_free(net);
+	}
 }
+static DECLARE_WORK(net_cleanup_work, cleanup_net);
 
 void __put_net(struct net *net)
 {
 	/* Cleanup the network namespace in process context */
-	INIT_WORK(&net->work, cleanup_net);
-	queue_work(netns_wq, &net->work);
+	unsigned long flags;
+
+	spin_lock_irqsave(&cleanup_list_lock, flags);
+	list_add(&net->cleanup_list, &cleanup_list);
+	spin_unlock_irqrestore(&cleanup_list_lock, flags);
+
+	queue_work(netns_wq, &net_cleanup_work);
 }
 EXPORT_SYMBOL_GPL(__put_net);
 
-- 
GitLab


From f875bae065334907796da12523f9df85c89f5712 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Sun, 29 Nov 2009 22:25:28 +0000
Subject: [PATCH 1661/1815] net: Automatically allocate per namespace data.

To get the full benefit of batched network namespace cleanup netowrk
device deletion needs to be performed by the generic code.  When
using register_pernet_gen_device and freeing the data in exit_net
it is impossible to delay allocation until after exit_net has called
as the device uninit methods are no longer safe.

To correct this, and to simplify working with per network namespace data
I have moved allocation and deletion of per network namespace data into
the network namespace core.  The core now frees the data only after
all of the network namespace exit routines have run.

Now it is only required to set the new fields .id and .size
in the pernet_operations structure if you want network namespace
data to be managed for you automatically.

This makes the current register_pernet_gen_device and
register_pernet_gen_subsys routines unnecessary.  For the moment
I have left them as compatibility wrappers in net_namespace.h
They will be removed once all of the users have been updated.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/net_namespace.h |  28 +++++-
 net/core/net_namespace.c    | 188 +++++++++++++++++++-----------------
 2 files changed, 126 insertions(+), 90 deletions(-)

diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index d69b4796030..080774b9dbf 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -236,6 +236,8 @@ struct pernet_operations {
 	struct list_head list;
 	int (*init)(struct net *net);
 	void (*exit)(struct net *net);
+	int *id;
+	size_t size;
 };
 
 /*
@@ -259,12 +261,30 @@ struct pernet_operations {
  */
 extern int register_pernet_subsys(struct pernet_operations *);
 extern void unregister_pernet_subsys(struct pernet_operations *);
-extern int register_pernet_gen_subsys(int *id, struct pernet_operations *);
-extern void unregister_pernet_gen_subsys(int id, struct pernet_operations *);
 extern int register_pernet_device(struct pernet_operations *);
 extern void unregister_pernet_device(struct pernet_operations *);
-extern int register_pernet_gen_device(int *id, struct pernet_operations *);
-extern void unregister_pernet_gen_device(int id, struct pernet_operations *);
+
+static inline int register_pernet_gen_subsys(int *id, struct pernet_operations *ops)
+{
+	ops->id = id;
+	return register_pernet_subsys(ops);
+}
+
+static inline void unregister_pernet_gen_subsys(int id, struct pernet_operations *ops)
+{
+	return unregister_pernet_subsys(ops);
+}
+
+static inline int register_pernet_gen_device(int *id, struct pernet_operations *ops)
+{
+	ops->id = id;
+	return register_pernet_device(ops);
+}
+
+static inline void unregister_pernet_gen_device(int id, struct pernet_operations *ops)
+{
+	return unregister_pernet_device(ops);
+}
 
 struct ctl_path;
 struct ctl_table;
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index a42caa2b909..9679ad292da 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -43,13 +43,40 @@ static void unregister_netdevices(struct net *net, struct list_head *list)
 	}
 }
 
+static int ops_init(const struct pernet_operations *ops, struct net *net)
+{
+	int err;
+	if (ops->id && ops->size) {
+		void *data = kzalloc(ops->size, GFP_KERNEL);
+		if (!data)
+			return -ENOMEM;
+
+		err = net_assign_generic(net, *ops->id, data);
+		if (err) {
+			kfree(data);
+			return err;
+		}
+	}
+	if (ops->init)
+		return ops->init(net);
+	return 0;
+}
+
+static void ops_free(const struct pernet_operations *ops, struct net *net)
+{
+	if (ops->id && ops->size) {
+		int id = *ops->id;
+		kfree(net_generic(net, id));
+	}
+}
+
 /*
  * setup_net runs the initializers for the network namespace object.
  */
 static __net_init int setup_net(struct net *net)
 {
 	/* Must be called with net_mutex held */
-	struct pernet_operations *ops;
+	const struct pernet_operations *ops, *saved_ops;
 	int error = 0;
 
 	atomic_set(&net->count, 1);
@@ -59,11 +86,9 @@ static __net_init int setup_net(struct net *net)
 #endif
 
 	list_for_each_entry(ops, &pernet_list, list) {
-		if (ops->init) {
-			error = ops->init(net);
-			if (error < 0)
-				goto out_undo;
-		}
+		error = ops_init(ops, net);
+		if (error < 0)
+			goto out_undo;
 	}
 out:
 	return error;
@@ -72,6 +97,7 @@ out_undo:
 	/* Walk through the list backwards calling the exit functions
 	 * for the pernet modules whose init functions did not fail.
 	 */
+	saved_ops = ops;
 	list_for_each_entry_continue_reverse(ops, &pernet_list, list) {
 		if (ops->exit)
 			ops->exit(net);
@@ -83,6 +109,9 @@ out_undo:
 			rtnl_unlock();
 		}
 	}
+	ops = saved_ops;
+	list_for_each_entry_continue_reverse(ops, &pernet_list, list)
+		ops_free(ops, net);
 
 	rcu_barrier();
 	goto out;
@@ -175,7 +204,7 @@ static LIST_HEAD(cleanup_list);  /* Must hold cleanup_list_lock to touch */
 
 static void cleanup_net(struct work_struct *work)
 {
-	struct pernet_operations *ops;
+	const struct pernet_operations *ops;
 	struct net *net, *tmp;
 	LIST_HEAD(net_kill_list);
 
@@ -214,6 +243,13 @@ static void cleanup_net(struct work_struct *work)
 			rtnl_unlock();
 		}
 	}
+	/* Free the net generic variables */
+	list_for_each_entry_reverse(ops, &pernet_list, list) {
+		if (ops->size && ops->id) {
+			list_for_each_entry(net, &net_kill_list, cleanup_list)
+				ops_free(ops, net);
+		}
+	}
 
 	mutex_unlock(&net_mutex);
 
@@ -309,16 +345,16 @@ static int __init net_ns_init(void)
 pure_initcall(net_ns_init);
 
 #ifdef CONFIG_NET_NS
-static int register_pernet_operations(struct list_head *list,
-				      struct pernet_operations *ops)
+static int __register_pernet_operations(struct list_head *list,
+					struct pernet_operations *ops)
 {
 	struct net *net, *undo_net;
 	int error;
 
 	list_add_tail(&ops->list, list);
-	if (ops->init) {
+	if (ops->init || (ops->id && ops->size)) {
 		for_each_net(net) {
-			error = ops->init(net);
+			error = ops_init(ops, net);
 			if (error)
 				goto out_undo;
 		}
@@ -336,10 +372,18 @@ out_undo:
 		}
 	}
 undone:
+	if (ops->size && ops->id) {
+		for_each_net(undo_net) {
+			if (net_eq(undo_net, net))
+				goto freed;
+			ops_free(ops, undo_net);
+		}
+	}
+freed:
 	return error;
 }
 
-static void unregister_pernet_operations(struct pernet_operations *ops)
+static void __unregister_pernet_operations(struct pernet_operations *ops)
 {
 	struct net *net;
 
@@ -347,27 +391,66 @@ static void unregister_pernet_operations(struct pernet_operations *ops)
 	if (ops->exit)
 		for_each_net(net)
 			ops->exit(net);
+	if (ops->id && ops->size)
+		for_each_net(net)
+			ops_free(ops, net);
 }
 
 #else
 
-static int register_pernet_operations(struct list_head *list,
-				      struct pernet_operations *ops)
+static int __register_pernet_operations(struct list_head *list,
+					struct pernet_operations *ops)
 {
-	if (ops->init == NULL)
-		return 0;
-	return ops->init(&init_net);
+	int err = 0;
+	err = ops_init(ops, &init_net);
+	if (err)
+		ops_free(ops, &init_net);
+	return err;
+	
 }
 
-static void unregister_pernet_operations(struct pernet_operations *ops)
+static void __unregister_pernet_operations(struct pernet_operations *ops)
 {
 	if (ops->exit)
 		ops->exit(&init_net);
+	ops_free(ops, &init_net);
 }
-#endif
+
+#endif /* CONFIG_NET_NS */
 
 static DEFINE_IDA(net_generic_ids);
 
+static int register_pernet_operations(struct list_head *list,
+				      struct pernet_operations *ops)
+{
+	int error;
+
+	if (ops->id) {
+again:
+		error = ida_get_new_above(&net_generic_ids, 1, ops->id);
+		if (error < 0) {
+			if (error == -EAGAIN) {
+				ida_pre_get(&net_generic_ids, GFP_KERNEL);
+				goto again;
+			}
+			return error;
+		}
+	}
+	error = __register_pernet_operations(list, ops);
+	if (error && ops->id)
+		ida_remove(&net_generic_ids, *ops->id);
+
+	return error;
+}
+
+static void unregister_pernet_operations(struct pernet_operations *ops)
+{
+	
+	__unregister_pernet_operations(ops);
+	if (ops->id)
+		ida_remove(&net_generic_ids, *ops->id);
+}
+
 /**
  *      register_pernet_subsys - register a network namespace subsystem
  *	@ops:  pernet operations structure for the subsystem
@@ -414,38 +497,6 @@ void unregister_pernet_subsys(struct pernet_operations *module)
 }
 EXPORT_SYMBOL_GPL(unregister_pernet_subsys);
 
-int register_pernet_gen_subsys(int *id, struct pernet_operations *ops)
-{
-	int rv;
-
-	mutex_lock(&net_mutex);
-again:
-	rv = ida_get_new_above(&net_generic_ids, 1, id);
-	if (rv < 0) {
-		if (rv == -EAGAIN) {
-			ida_pre_get(&net_generic_ids, GFP_KERNEL);
-			goto again;
-		}
-		goto out;
-	}
-	rv = register_pernet_operations(first_device, ops);
-	if (rv < 0)
-		ida_remove(&net_generic_ids, *id);
-out:
-	mutex_unlock(&net_mutex);
-	return rv;
-}
-EXPORT_SYMBOL_GPL(register_pernet_gen_subsys);
-
-void unregister_pernet_gen_subsys(int id, struct pernet_operations *ops)
-{
-	mutex_lock(&net_mutex);
-	unregister_pernet_operations(ops);
-	ida_remove(&net_generic_ids, id);
-	mutex_unlock(&net_mutex);
-}
-EXPORT_SYMBOL_GPL(unregister_pernet_gen_subsys);
-
 /**
  *      register_pernet_device - register a network namespace device
  *	@ops:  pernet operations structure for the subsystem
@@ -477,30 +528,6 @@ int register_pernet_device(struct pernet_operations *ops)
 }
 EXPORT_SYMBOL_GPL(register_pernet_device);
 
-int register_pernet_gen_device(int *id, struct pernet_operations *ops)
-{
-	int error;
-	mutex_lock(&net_mutex);
-again:
-	error = ida_get_new_above(&net_generic_ids, 1, id);
-	if (error) {
-		if (error == -EAGAIN) {
-			ida_pre_get(&net_generic_ids, GFP_KERNEL);
-			goto again;
-		}
-		goto out;
-	}
-	error = register_pernet_operations(&pernet_list, ops);
-	if (error)
-		ida_remove(&net_generic_ids, *id);
-	else if (first_device == &pernet_list)
-		first_device = &ops->list;
-out:
-	mutex_unlock(&net_mutex);
-	return error;
-}
-EXPORT_SYMBOL_GPL(register_pernet_gen_device);
-
 /**
  *      unregister_pernet_device - unregister a network namespace netdevice
  *	@ops: pernet operations structure to manipulate
@@ -520,17 +547,6 @@ void unregister_pernet_device(struct pernet_operations *ops)
 }
 EXPORT_SYMBOL_GPL(unregister_pernet_device);
 
-void unregister_pernet_gen_device(int id, struct pernet_operations *ops)
-{
-	mutex_lock(&net_mutex);
-	if (&ops->list == first_device)
-		first_device = first_device->next;
-	unregister_pernet_operations(ops);
-	ida_remove(&net_generic_ids, id);
-	mutex_unlock(&net_mutex);
-}
-EXPORT_SYMBOL_GPL(unregister_pernet_gen_device);
-
 static void net_generic_release(struct rcu_head *rcu)
 {
 	struct net_generic *ng;
-- 
GitLab


From 999b6d39abb4fc446f3465ca4e0a7ac747f49aec Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Sun, 29 Nov 2009 22:25:29 +0000
Subject: [PATCH 1662/1815] net: Simplify loopback and improve batching.

Defer calling unregister_netdevice_queue to cleanup_net.  It's simpler
and it allows the loopback device to land in the same batch as other
network devices.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/loopback.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c
index c9f65574378..eae4ad749e9 100644
--- a/drivers/net/loopback.c
+++ b/drivers/net/loopback.c
@@ -212,15 +212,7 @@ out:
 	return err;
 }
 
-static __net_exit void loopback_net_exit(struct net *net)
-{
-	struct net_device *dev = net->loopback_dev;
-
-	unregister_netdev(dev);
-}
-
 /* Registered in net/core/dev.c */
 struct pernet_operations __net_initdata loopback_net_ops = {
        .init = loopback_net_init,
-       .exit = loopback_net_exit,
 };
-- 
GitLab


From e008b5fc8dc7f46d9904001c7a2155eb1e7d35ab Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Sun, 29 Nov 2009 22:25:30 +0000
Subject: [PATCH 1663/1815] net: Simplfy default_device_exit and improve
 batching.

- Defer dellink to net_cleanup() allowing for batching.
- Fix comment.
- Use for_each_netdev_safe again as dev_change_net_namespace touches
  at most one network device (unlike veth dellink).

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/dev.c | 16 ++++++----------
 1 file changed, 6 insertions(+), 10 deletions(-)

diff --git a/net/core/dev.c b/net/core/dev.c
index bb37ee1e090..e3e18dee0bd 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5736,14 +5736,13 @@ static struct pernet_operations __net_initdata netdev_net_ops = {
 
 static void __net_exit default_device_exit(struct net *net)
 {
-	struct net_device *dev;
+	struct net_device *dev, *aux;
 	/*
-	 * Push all migratable of the network devices back to the
+	 * Push all migratable network devices back to the
 	 * initial network namespace
 	 */
 	rtnl_lock();
-restart:
-	for_each_netdev(net, dev) {
+	for_each_netdev_safe(net, dev, aux) {
 		int err;
 		char fb_name[IFNAMSIZ];
 
@@ -5751,11 +5750,9 @@ restart:
 		if (dev->features & NETIF_F_NETNS_LOCAL)
 			continue;
 
-		/* Delete virtual devices */
-		if (dev->rtnl_link_ops && dev->rtnl_link_ops->dellink) {
-			dev->rtnl_link_ops->dellink(dev, NULL);
-			goto restart;
-		}
+		/* Leave virtual devices for the generic cleanup */
+		if (dev->rtnl_link_ops)
+			continue;
 
 		/* Push remaing network devices to init_net */
 		snprintf(fb_name, IFNAMSIZ, "dev%d", dev->ifindex);
@@ -5765,7 +5762,6 @@ restart:
 				__func__, dev->name, err);
 			BUG();
 		}
-		goto restart;
 	}
 	rtnl_unlock();
 }
-- 
GitLab


From 15449745e5d181ae214ceaf0880350bb4e63512a Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Sun, 29 Nov 2009 15:46:04 +0000
Subject: [PATCH 1664/1815] net: Simplify the bond drivers pernet operations.

Take advantage of the new pernet automatic storage management,
and stop using compatibility network namespace functions.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bonding/bond_main.c | 32 +++++++++-----------------------
 1 file changed, 9 insertions(+), 23 deletions(-)

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 726bd755338..ac3fe20abf8 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -5103,42 +5103,28 @@ out_netdev:
 
 static int bond_net_init(struct net *net)
 {
-	struct bond_net *bn;
-	int err;
-
-	err = -ENOMEM;
-	bn = kzalloc(sizeof(struct bond_net), GFP_KERNEL);
-	if (bn == NULL)
-		goto out;
+	struct bond_net *bn = net_generic(net, bond_net_id);
 
 	bn->net = net;
 	INIT_LIST_HEAD(&bn->dev_list);
 
-	err = net_assign_generic(net, bond_net_id, bn);
-	if (err)
-		goto out_free;
-
 	bond_create_proc_dir(bn);
-out:
-	return err;
-out_free:
-	kfree(bn);
-	goto out;
+	
+	return 0;
 }
 
 static void bond_net_exit(struct net *net)
 {
-	struct bond_net *bn;
-
-	bn = net_generic(net, bond_net_id);
+	struct bond_net *bn = net_generic(net, bond_net_id);
 
 	bond_destroy_proc_dir(bn);
-	kfree(bn);
 }
 
 static struct pernet_operations bond_net_ops = {
 	.init = bond_net_init,
 	.exit = bond_net_exit,
+	.id   = &bond_net_id,
+	.size = sizeof(struct bond_net),
 };
 
 static int __init bonding_init(void)
@@ -5152,7 +5138,7 @@ static int __init bonding_init(void)
 	if (res)
 		goto out;
 
-	res = register_pernet_gen_subsys(&bond_net_id, &bond_net_ops);
+	res = register_pernet_subsys(&bond_net_ops);
 	if (res)
 		goto out;
 
@@ -5178,7 +5164,7 @@ out:
 err:
 	rtnl_link_unregister(&bond_link_ops);
 err_link:
-	unregister_pernet_gen_subsys(bond_net_id, &bond_net_ops);
+	unregister_pernet_subsys(&bond_net_ops);
 	goto out;
 
 }
@@ -5192,7 +5178,7 @@ static void __exit bonding_exit(void)
 	bond_destroy_sysfs();
 
 	rtnl_link_unregister(&bond_link_ops);
-	unregister_pernet_gen_subsys(bond_net_id, &bond_net_ops);
+	unregister_pernet_subsys(&bond_net_ops);
 }
 
 module_init(bonding_init);
-- 
GitLab


From 946d1a9298c9e592b189a168326603c92d782b5f Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Sun, 29 Nov 2009 15:46:05 +0000
Subject: [PATCH 1665/1815] net: Simplify vlan pernet operations.

Take advantage of the new pernet automatic storage management,
and stop using compatibility network namespace functions.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/8021q/vlan.c | 33 +++++++--------------------------
 1 file changed, 7 insertions(+), 26 deletions(-)

diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 225aa2fac0e..91e9073e199 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -686,47 +686,28 @@ out:
 
 static int vlan_init_net(struct net *net)
 {
+	struct vlan_net *vn = net_generic(net, vlan_net_id);
 	int err;
-	struct vlan_net *vn;
-
-	err = -ENOMEM;
-	vn = kzalloc(sizeof(struct vlan_net), GFP_KERNEL);
-	if (vn == NULL)
-		goto err_alloc;
-
-	err = net_assign_generic(net, vlan_net_id, vn);
-	if (err < 0)
-		goto err_assign;
 
 	vn->name_type = VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD;
 
 	err = vlan_proc_init(net);
-	if (err < 0)
-		goto err_proc;
 
-	return 0;
-
-err_proc:
-	/* nothing */
-err_assign:
-	kfree(vn);
-err_alloc:
 	return err;
 }
 
 static void vlan_exit_net(struct net *net)
 {
-	struct vlan_net *vn;
-
-	vn = net_generic(net, vlan_net_id);
 	rtnl_kill_links(net, &vlan_link_ops);
+
 	vlan_proc_cleanup(net);
-	kfree(vn);
 }
 
 static struct pernet_operations vlan_net_ops = {
 	.init = vlan_init_net,
 	.exit = vlan_exit_net,
+	.id   = &vlan_net_id,
+	.size = sizeof(struct vlan_net),
 };
 
 static int __init vlan_proto_init(void)
@@ -736,7 +717,7 @@ static int __init vlan_proto_init(void)
 	pr_info("%s v%s %s\n", vlan_fullname, vlan_version, vlan_copyright);
 	pr_info("All bugs added by %s\n", vlan_buggyright);
 
-	err = register_pernet_gen_device(&vlan_net_id, &vlan_net_ops);
+	err = register_pernet_device(&vlan_net_ops);
 	if (err < 0)
 		goto err0;
 
@@ -761,7 +742,7 @@ err4:
 err3:
 	unregister_netdevice_notifier(&vlan_notifier_block);
 err2:
-	unregister_pernet_gen_device(vlan_net_id, &vlan_net_ops);
+	unregister_pernet_device(&vlan_net_ops);
 err0:
 	return err;
 }
@@ -781,7 +762,7 @@ static void __exit vlan_cleanup_module(void)
 	for (i = 0; i < VLAN_GRP_HASH_SIZE; i++)
 		BUG_ON(!hlist_empty(&vlan_group_hash[i]));
 
-	unregister_pernet_gen_device(vlan_net_id, &vlan_net_ops);
+	unregister_pernet_device(&vlan_net_ops);
 	rcu_barrier(); /* Wait for completion of call_rcu()'s */
 
 	vlan_gvrp_uninit();
-- 
GitLab


From 23c049ca92548483d5e12c94cc983afb3040f626 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Sun, 29 Nov 2009 15:46:06 +0000
Subject: [PATCH 1666/1815] net: Simplify af_key pernet operations.

Take advantage of the new pernet automatic storage management,
and stop using compatibility network namespace functions.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/key/af_key.c | 25 ++++++-------------------
 1 file changed, 6 insertions(+), 19 deletions(-)

diff --git a/net/key/af_key.c b/net/key/af_key.c
index 478c8b32a5f..84209fbbeb1 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -3765,28 +3765,14 @@ static struct xfrm_mgr pfkeyv2_mgr =
 
 static int __net_init pfkey_net_init(struct net *net)
 {
-	struct netns_pfkey *net_pfkey;
+	struct netns_pfkey *net_pfkey = net_generic(net, pfkey_net_id);
 	int rv;
 
-	net_pfkey = kmalloc(sizeof(struct netns_pfkey), GFP_KERNEL);
-	if (!net_pfkey) {
-		rv = -ENOMEM;
-		goto out_kmalloc;
-	}
 	INIT_HLIST_HEAD(&net_pfkey->table);
 	atomic_set(&net_pfkey->socks_nr, 0);
-	rv = net_assign_generic(net, pfkey_net_id, net_pfkey);
-	if (rv < 0)
-		goto out_assign;
+
 	rv = pfkey_init_proc(net);
-	if (rv < 0)
-		goto out_proc;
-	return 0;
 
-out_proc:
-out_assign:
-	kfree(net_pfkey);
-out_kmalloc:
 	return rv;
 }
 
@@ -3796,17 +3782,18 @@ static void __net_exit pfkey_net_exit(struct net *net)
 
 	pfkey_exit_proc(net);
 	BUG_ON(!hlist_empty(&net_pfkey->table));
-	kfree(net_pfkey);
 }
 
 static struct pernet_operations pfkey_net_ops = {
 	.init = pfkey_net_init,
 	.exit = pfkey_net_exit,
+	.id   = &pfkey_net_id,
+	.size = sizeof(struct netns_pfkey),
 };
 
 static void __exit ipsec_pfkey_exit(void)
 {
-	unregister_pernet_gen_subsys(pfkey_net_id, &pfkey_net_ops);
+	unregister_pernet_subsys(&pfkey_net_ops);
 	xfrm_unregister_km(&pfkeyv2_mgr);
 	sock_unregister(PF_KEY);
 	proto_unregister(&key_proto);
@@ -3825,7 +3812,7 @@ static int __init ipsec_pfkey_init(void)
 	err = xfrm_register_km(&pfkeyv2_mgr);
 	if (err != 0)
 		goto out_sock_unregister;
-	err = register_pernet_gen_subsys(&pfkey_net_id, &pfkey_net_ops);
+	err = register_pernet_subsys(&pfkey_net_ops);
 	if (err != 0)
 		goto out_xfrm_unregister_km;
 out:
-- 
GitLab


From 32b51f92d858dd3002ec2240960b772518a6803b Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Sun, 29 Nov 2009 15:46:07 +0000
Subject: [PATCH 1667/1815] net: Simplify conntrack_proto_dccp pernet
 operations.

Take advantage of the new pernet automatic storage management,
and stop using compatibility network namespace functions.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/netfilter/nf_conntrack_proto_dccp.c | 31 +++++++------------------
 1 file changed, 8 insertions(+), 23 deletions(-)

diff --git a/net/netfilter/nf_conntrack_proto_dccp.c b/net/netfilter/nf_conntrack_proto_dccp.c
index 80abdf297b3..98916ef26f5 100644
--- a/net/netfilter/nf_conntrack_proto_dccp.c
+++ b/net/netfilter/nf_conntrack_proto_dccp.c
@@ -810,12 +810,7 @@ static struct nf_conntrack_l4proto dccp_proto6 __read_mostly = {
 
 static __net_init int dccp_net_init(struct net *net)
 {
-	struct dccp_net *dn;
-	int err;
-
-	dn = kmalloc(sizeof(*dn), GFP_KERNEL);
-	if (!dn)
-		return -ENOMEM;
+	struct dccp_net *dn = dccp_pernet(net);
 
 	/* default values */
 	dn->dccp_loose = 1;
@@ -827,16 +822,11 @@ static __net_init int dccp_net_init(struct net *net)
 	dn->dccp_timeout[CT_DCCP_CLOSING]	= 64 * HZ;
 	dn->dccp_timeout[CT_DCCP_TIMEWAIT]	= 2 * DCCP_MSL;
 
-	err = net_assign_generic(net, dccp_net_id, dn);
-	if (err)
-		goto out;
-
 #ifdef CONFIG_SYSCTL
-	err = -ENOMEM;
 	dn->sysctl_table = kmemdup(dccp_sysctl_table,
 			sizeof(dccp_sysctl_table), GFP_KERNEL);
 	if (!dn->sysctl_table)
-		goto out;
+		return -ENOMEM;
 
 	dn->sysctl_table[0].data = &dn->dccp_timeout[CT_DCCP_REQUEST];
 	dn->sysctl_table[1].data = &dn->dccp_timeout[CT_DCCP_RESPOND];
@@ -851,15 +841,11 @@ static __net_init int dccp_net_init(struct net *net)
 			nf_net_netfilter_sysctl_path, dn->sysctl_table);
 	if (!dn->sysctl_header) {
 		kfree(dn->sysctl_table);
-		goto out;
+		return -ENOMEM;
 	}
 #endif
 
 	return 0;
-
-out:
-	kfree(dn);
-	return err;
 }
 
 static __net_exit void dccp_net_exit(struct net *net)
@@ -869,21 +855,20 @@ static __net_exit void dccp_net_exit(struct net *net)
 	unregister_net_sysctl_table(dn->sysctl_header);
 	kfree(dn->sysctl_table);
 #endif
-	kfree(dn);
-
-	net_assign_generic(net, dccp_net_id, NULL);
 }
 
 static struct pernet_operations dccp_net_ops = {
 	.init = dccp_net_init,
 	.exit = dccp_net_exit,
+	.id   = &dccp_net_id,
+	.size = sizeof(struct dccp_net),
 };
 
 static int __init nf_conntrack_proto_dccp_init(void)
 {
 	int err;
 
-	err = register_pernet_gen_subsys(&dccp_net_id, &dccp_net_ops);
+	err = register_pernet_subsys(&dccp_net_ops);
 	if (err < 0)
 		goto err1;
 
@@ -899,14 +884,14 @@ static int __init nf_conntrack_proto_dccp_init(void)
 err3:
 	nf_conntrack_l4proto_unregister(&dccp_proto4);
 err2:
-	unregister_pernet_gen_subsys(dccp_net_id, &dccp_net_ops);
+	unregister_pernet_subsys(&dccp_net_ops);
 err1:
 	return err;
 }
 
 static void __exit nf_conntrack_proto_dccp_fini(void)
 {
-	unregister_pernet_gen_subsys(dccp_net_id, &dccp_net_ops);
+	unregister_pernet_subsys(&dccp_net_ops);
 	nf_conntrack_l4proto_unregister(&dccp_proto6);
 	nf_conntrack_l4proto_unregister(&dccp_proto4);
 }
-- 
GitLab


From e8d02885997081f09272af6b9a27061a142da4c5 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Sun, 29 Nov 2009 15:46:08 +0000
Subject: [PATCH 1668/1815] net: Simplify conntrack_proto_gre pernet
 operations.

Take advantage of the new pernet automatic storage management,
and stop using compatibility network namespace functions.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/netfilter/nf_conntrack_proto_gre.c | 20 ++++++--------------
 1 file changed, 6 insertions(+), 14 deletions(-)

diff --git a/net/netfilter/nf_conntrack_proto_gre.c b/net/netfilter/nf_conntrack_proto_gre.c
index 91d0e719d67..c99cfba64dd 100644
--- a/net/netfilter/nf_conntrack_proto_gre.c
+++ b/net/netfilter/nf_conntrack_proto_gre.c
@@ -300,32 +300,24 @@ static struct nf_conntrack_l4proto nf_conntrack_l4proto_gre4 __read_mostly = {
 
 static int proto_gre_net_init(struct net *net)
 {
-	struct netns_proto_gre *net_gre;
-	int rv;
+	struct netns_proto_gre *net_gre = net_generic(net, proto_gre_net_id);
 
-	net_gre = kmalloc(sizeof(struct netns_proto_gre), GFP_KERNEL);
-	if (!net_gre)
-		return -ENOMEM;
 	rwlock_init(&net_gre->keymap_lock);
 	INIT_LIST_HEAD(&net_gre->keymap_list);
 
-	rv = net_assign_generic(net, proto_gre_net_id, net_gre);
-	if (rv < 0)
-		kfree(net_gre);
-	return rv;
+	return 0;
 }
 
 static void proto_gre_net_exit(struct net *net)
 {
-	struct netns_proto_gre *net_gre = net_generic(net, proto_gre_net_id);
-
 	nf_ct_gre_keymap_flush(net);
-	kfree(net_gre);
 }
 
 static struct pernet_operations proto_gre_net_ops = {
 	.init = proto_gre_net_init,
 	.exit = proto_gre_net_exit,
+	.id   = &proto_gre_net_id,
+	.size = sizeof(struct netns_proto_gre),
 };
 
 static int __init nf_ct_proto_gre_init(void)
@@ -335,7 +327,7 @@ static int __init nf_ct_proto_gre_init(void)
 	rv = nf_conntrack_l4proto_register(&nf_conntrack_l4proto_gre4);
 	if (rv < 0)
 		return rv;
-	rv = register_pernet_gen_subsys(&proto_gre_net_id, &proto_gre_net_ops);
+	rv = register_pernet_subsys(&proto_gre_net_ops);
 	if (rv < 0)
 		nf_conntrack_l4proto_unregister(&nf_conntrack_l4proto_gre4);
 	return rv;
@@ -344,7 +336,7 @@ static int __init nf_ct_proto_gre_init(void)
 static void __exit nf_ct_proto_gre_fini(void)
 {
 	nf_conntrack_l4proto_unregister(&nf_conntrack_l4proto_gre4);
-	unregister_pernet_gen_subsys(proto_gre_net_id, &proto_gre_net_ops);
+	unregister_pernet_subsys(&proto_gre_net_ops);
 }
 
 module_init(nf_ct_proto_gre_init);
-- 
GitLab


From 741a6fa210c5c8828af3819134f644842e0e9c09 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Sun, 29 Nov 2009 15:46:09 +0000
Subject: [PATCH 1669/1815] net: Simplify ppp_generic pernet operations.

Take advantage of the new pernet automatic storage management,
and stop using compatibility network namespace functions.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ppp_generic.c | 30 +++++++-----------------------
 1 file changed, 7 insertions(+), 23 deletions(-)

diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c
index 0a56a778af0..f671bb81004 100644
--- a/drivers/net/ppp_generic.c
+++ b/drivers/net/ppp_generic.c
@@ -864,12 +864,7 @@ static const struct file_operations ppp_device_fops = {
 
 static __net_init int ppp_init_net(struct net *net)
 {
-	struct ppp_net *pn;
-	int err;
-
-	pn = kzalloc(sizeof(*pn), GFP_KERNEL);
-	if (!pn)
-		return -ENOMEM;
+	struct ppp_net *pn = net_generic(net, ppp_net_id);
 
 	idr_init(&pn->units_idr);
 	mutex_init(&pn->all_ppp_mutex);
@@ -879,32 +874,21 @@ static __net_init int ppp_init_net(struct net *net)
 
 	spin_lock_init(&pn->all_channels_lock);
 
-	err = net_assign_generic(net, ppp_net_id, pn);
-	if (err) {
-		kfree(pn);
-		return err;
-	}
-
 	return 0;
 }
 
 static __net_exit void ppp_exit_net(struct net *net)
 {
-	struct ppp_net *pn;
+	struct ppp_net *pn = net_generic(net, ppp_net_id);
 
-	pn = net_generic(net, ppp_net_id);
 	idr_destroy(&pn->units_idr);
-	/*
-	 * if someone has cached our net then
-	 * further net_generic call will return NULL
-	 */
-	net_assign_generic(net, ppp_net_id, NULL);
-	kfree(pn);
 }
 
 static struct pernet_operations ppp_net_ops = {
 	.init = ppp_init_net,
 	.exit = ppp_exit_net,
+	.id   = &ppp_net_id,
+	.size = sizeof(struct ppp_net),
 };
 
 #define PPP_MAJOR	108
@@ -917,7 +901,7 @@ static int __init ppp_init(void)
 
 	printk(KERN_INFO "PPP generic driver version " PPP_VERSION "\n");
 
-	err = register_pernet_gen_device(&ppp_net_id, &ppp_net_ops);
+	err = register_pernet_device(&ppp_net_ops);
 	if (err) {
 		printk(KERN_ERR "failed to register PPP pernet device (%d)\n", err);
 		goto out;
@@ -943,7 +927,7 @@ static int __init ppp_init(void)
 out_chrdev:
 	unregister_chrdev(PPP_MAJOR, "ppp");
 out_net:
-	unregister_pernet_gen_device(ppp_net_id, &ppp_net_ops);
+	unregister_pernet_device(&ppp_net_ops);
 out:
 	return err;
 }
@@ -2835,7 +2819,7 @@ static void __exit ppp_cleanup(void)
 	unregister_chrdev(PPP_MAJOR, "ppp");
 	device_destroy(ppp_class, MKDEV(PPP_MAJOR, 0));
 	class_destroy(ppp_class);
-	unregister_pernet_gen_device(ppp_net_id, &ppp_net_ops);
+	unregister_pernet_device(&ppp_net_ops);
 }
 
 /*
-- 
GitLab


From c879a6fcd6382415015e246b443dc2a1eab604dc Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Sun, 29 Nov 2009 15:46:10 +0000
Subject: [PATCH 1670/1815] net: Simplify pppoe pernet operations.

Take advantage of the new pernet automatic storage management,
and stop using compatibility network namespace functions.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/pppoe.c | 38 ++++++++------------------------------
 1 file changed, 8 insertions(+), 30 deletions(-)

diff --git a/drivers/net/pppoe.c b/drivers/net/pppoe.c
index a1dcba255b0..a4ed776d823 100644
--- a/drivers/net/pppoe.c
+++ b/drivers/net/pppoe.c
@@ -1139,59 +1139,37 @@ static struct pppox_proto pppoe_proto = {
 
 static __net_init int pppoe_init_net(struct net *net)
 {
-	struct pppoe_net *pn;
+	struct pppoe_net *pn = pppoe_pernet(net);
 	struct proc_dir_entry *pde;
-	int err;
-
-	pn = kzalloc(sizeof(*pn), GFP_KERNEL);
-	if (!pn)
-		return -ENOMEM;
 
 	rwlock_init(&pn->hash_lock);
 
-	err = net_assign_generic(net, pppoe_net_id, pn);
-	if (err)
-		goto out;
-
 	pde = proc_net_fops_create(net, "pppoe", S_IRUGO, &pppoe_seq_fops);
 #ifdef CONFIG_PROC_FS
-	if (!pde) {
-		err = -ENOMEM;
-		goto out;
-	}
+	if (!pde)
+		return -ENOMEM;
 #endif
 
 	return 0;
-
-out:
-	kfree(pn);
-	return err;
 }
 
 static __net_exit void pppoe_exit_net(struct net *net)
 {
-	struct pppoe_net *pn;
-
 	proc_net_remove(net, "pppoe");
-	pn = net_generic(net, pppoe_net_id);
-	/*
-	 * if someone has cached our net then
-	 * further net_generic call will return NULL
-	 */
-	net_assign_generic(net, pppoe_net_id, NULL);
-	kfree(pn);
 }
 
 static struct pernet_operations pppoe_net_ops = {
 	.init = pppoe_init_net,
 	.exit = pppoe_exit_net,
+	.id   = &pppoe_net_id,
+	.size = sizeof(struct pppoe_net),
 };
 
 static int __init pppoe_init(void)
 {
 	int err;
 
-	err = register_pernet_gen_device(&pppoe_net_id, &pppoe_net_ops);
+	err = register_pernet_device(&pppoe_net_ops);
 	if (err)
 		goto out;
 
@@ -1212,7 +1190,7 @@ static int __init pppoe_init(void)
 out_unregister_pppoe_proto:
 	proto_unregister(&pppoe_sk_proto);
 out_unregister_net_ops:
-	unregister_pernet_gen_device(pppoe_net_id, &pppoe_net_ops);
+	unregister_pernet_device(&pppoe_net_ops);
 out:
 	return err;
 }
@@ -1224,7 +1202,7 @@ static void __exit pppoe_exit(void)
 	dev_remove_pack(&pppoes_ptype);
 	unregister_pppox_proto(PX_PROTO_OE);
 	proto_unregister(&pppoe_sk_proto);
-	unregister_pernet_gen_device(pppoe_net_id, &pppoe_net_ops);
+	unregister_pernet_device(&pppoe_net_ops);
 }
 
 module_init(pppoe_init);
-- 
GitLab


From aaab3405e03e91d0e8d30c9d327a2265a7121854 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Sun, 29 Nov 2009 15:46:11 +0000
Subject: [PATCH 1671/1815] net: Simplify pppol2tp pernet operations.

Take advantage of the new pernet automatic storage management,
and stop using compatibility network namespace functions.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/pppol2tp.c | 36 +++++++-----------------------------
 1 file changed, 7 insertions(+), 29 deletions(-)

diff --git a/drivers/net/pppol2tp.c b/drivers/net/pppol2tp.c
index c58b50f8ba3..9fbb2eba9a0 100644
--- a/drivers/net/pppol2tp.c
+++ b/drivers/net/pppol2tp.c
@@ -2605,53 +2605,31 @@ static struct pppox_proto pppol2tp_proto = {
 
 static __net_init int pppol2tp_init_net(struct net *net)
 {
-	struct pppol2tp_net *pn;
+	struct pppol2tp_net *pn = pppol2tp_pernet(net);
 	struct proc_dir_entry *pde;
-	int err;
-
-	pn = kzalloc(sizeof(*pn), GFP_KERNEL);
-	if (!pn)
-		return -ENOMEM;
 
 	INIT_LIST_HEAD(&pn->pppol2tp_tunnel_list);
 	rwlock_init(&pn->pppol2tp_tunnel_list_lock);
 
-	err = net_assign_generic(net, pppol2tp_net_id, pn);
-	if (err)
-		goto out;
-
 	pde = proc_net_fops_create(net, "pppol2tp", S_IRUGO, &pppol2tp_proc_fops);
 #ifdef CONFIG_PROC_FS
-	if (!pde) {
-		err = -ENOMEM;
-		goto out;
-	}
+	if (!pde)
+		return -ENOMEM;
 #endif
 
 	return 0;
-
-out:
-	kfree(pn);
-	return err;
 }
 
 static __net_exit void pppol2tp_exit_net(struct net *net)
 {
-	struct pppoe_net *pn;
-
 	proc_net_remove(net, "pppol2tp");
-	pn = net_generic(net, pppol2tp_net_id);
-	/*
-	 * if someone has cached our net then
-	 * further net_generic call will return NULL
-	 */
-	net_assign_generic(net, pppol2tp_net_id, NULL);
-	kfree(pn);
 }
 
 static struct pernet_operations pppol2tp_net_ops = {
 	.init = pppol2tp_init_net,
 	.exit = pppol2tp_exit_net,
+	.id   = &pppol2tp_net_id,
+	.size = sizeof(struct pppol2tp_net),
 };
 
 static int __init pppol2tp_init(void)
@@ -2665,7 +2643,7 @@ static int __init pppol2tp_init(void)
 	if (err)
 		goto out_unregister_pppol2tp_proto;
 
-	err = register_pernet_gen_device(&pppol2tp_net_id, &pppol2tp_net_ops);
+	err = register_pernet_device(&pppol2tp_net_ops);
 	if (err)
 		goto out_unregister_pppox_proto;
 
@@ -2684,7 +2662,7 @@ out_unregister_pppol2tp_proto:
 static void __exit pppol2tp_exit(void)
 {
 	unregister_pppox_proto(PX_PROTO_OL2TP);
-	unregister_pernet_gen_device(pppol2tp_net_id, &pppol2tp_net_ops);
+	unregister_pernet_device(&pppol2tp_net_ops);
 	proto_unregister(&pppol2tp_sk_proto);
 }
 
-- 
GitLab


From d2b3eb630767f0b0ae21566b1b88cb512f40c647 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Sun, 29 Nov 2009 15:46:12 +0000
Subject: [PATCH 1672/1815] net: Simplify phonet pernet operations.

Take advantage of the new pernet automatic storage management,
and stop using compatibility network namespace functions.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/phonet/pn_dev.c | 16 ++++++----------
 1 file changed, 6 insertions(+), 10 deletions(-)

diff --git a/net/phonet/pn_dev.c b/net/phonet/pn_dev.c
index d87388c94b0..bc4a33bf2d3 100644
--- a/net/phonet/pn_dev.c
+++ b/net/phonet/pn_dev.c
@@ -313,19 +313,14 @@ static struct notifier_block phonet_device_notifier = {
 /* Per-namespace Phonet devices handling */
 static int phonet_init_net(struct net *net)
 {
-	struct phonet_net *pnn = kzalloc(sizeof(*pnn), GFP_KERNEL);
-	if (!pnn)
-		return -ENOMEM;
+	struct phonet_net *pnn = net_generic(net, phonet_net_id);
 
-	if (!proc_net_fops_create(net, "phonet", 0, &pn_sock_seq_fops)) {
-		kfree(pnn);
+	if (!proc_net_fops_create(net, "phonet", 0, &pn_sock_seq_fops))
 		return -ENOMEM;
-	}
 
 	INIT_LIST_HEAD(&pnn->pndevs.list);
 	mutex_init(&pnn->pndevs.lock);
 	mutex_init(&pnn->routes.lock);
-	net_assign_generic(net, phonet_net_id, pnn);
 	return 0;
 }
 
@@ -349,18 +344,19 @@ static void phonet_exit_net(struct net *net)
 	rtnl_unlock();
 
 	proc_net_remove(net, "phonet");
-	kfree(pnn);
 }
 
 static struct pernet_operations phonet_net_ops = {
 	.init = phonet_init_net,
 	.exit = phonet_exit_net,
+	.id   = &phonet_net_id,
+	.size = sizeof(struct phonet_net),
 };
 
 /* Initialize Phonet devices list */
 int __init phonet_device_init(void)
 {
-	int err = register_pernet_gen_device(&phonet_net_id, &phonet_net_ops);
+	int err = register_pernet_device(&phonet_net_ops);
 	if (err)
 		return err;
 
@@ -375,7 +371,7 @@ void phonet_device_exit(void)
 {
 	rtnl_unregister_all(PF_PHONET);
 	unregister_netdevice_notifier(&phonet_device_notifier);
-	unregister_pernet_gen_device(phonet_net_id, &phonet_net_ops);
+	unregister_pernet_device(&phonet_net_ops);
 }
 
 int phonet_route_add(struct net_device *dev, u8 daddr)
-- 
GitLab


From cfb8fbf2299d0e028ac59afd5b8c94ebe53d0859 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Sun, 29 Nov 2009 15:46:13 +0000
Subject: [PATCH 1673/1815] net: Simplify ip_gre pernet operations.

Take advantage of the new pernet automatic storage management,
and stop using compatibility network namespace functions.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/ip_gre.c | 24 ++++++------------------
 1 file changed, 6 insertions(+), 18 deletions(-)

diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index c5f6af5d0f3..f36ce156cac 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -1309,17 +1309,8 @@ static void ipgre_destroy_tunnels(struct ipgre_net *ign, struct list_head *head)
 
 static int ipgre_init_net(struct net *net)
 {
+	struct ipgre_net *ign = net_generic(net, ipgre_net_id);
 	int err;
-	struct ipgre_net *ign;
-
-	err = -ENOMEM;
-	ign = kzalloc(sizeof(struct ipgre_net), GFP_KERNEL);
-	if (ign == NULL)
-		goto err_alloc;
-
-	err = net_assign_generic(net, ipgre_net_id, ign);
-	if (err < 0)
-		goto err_assign;
 
 	ign->fb_tunnel_dev = alloc_netdev(sizeof(struct ip_tunnel), "gre0",
 					   ipgre_tunnel_setup);
@@ -1340,10 +1331,6 @@ static int ipgre_init_net(struct net *net)
 err_reg_dev:
 	free_netdev(ign->fb_tunnel_dev);
 err_alloc_dev:
-	/* nothing */
-err_assign:
-	kfree(ign);
-err_alloc:
 	return err;
 }
 
@@ -1357,12 +1344,13 @@ static void ipgre_exit_net(struct net *net)
 	ipgre_destroy_tunnels(ign, &list);
 	unregister_netdevice_many(&list);
 	rtnl_unlock();
-	kfree(ign);
 }
 
 static struct pernet_operations ipgre_net_ops = {
 	.init = ipgre_init_net,
 	.exit = ipgre_exit_net,
+	.id   = &ipgre_net_id,
+	.size = sizeof(struct ipgre_net),
 };
 
 static int ipgre_tunnel_validate(struct nlattr *tb[], struct nlattr *data[])
@@ -1682,7 +1670,7 @@ static int __init ipgre_init(void)
 		return -EAGAIN;
 	}
 
-	err = register_pernet_gen_device(&ipgre_net_id, &ipgre_net_ops);
+	err = register_pernet_device(&ipgre_net_ops);
 	if (err < 0)
 		goto gen_device_failed;
 
@@ -1700,7 +1688,7 @@ out:
 tap_ops_failed:
 	rtnl_link_unregister(&ipgre_link_ops);
 rtnl_link_failed:
-	unregister_pernet_gen_device(ipgre_net_id, &ipgre_net_ops);
+	unregister_pernet_device(&ipgre_net_ops);
 gen_device_failed:
 	inet_del_protocol(&ipgre_protocol, IPPROTO_GRE);
 	goto out;
@@ -1710,7 +1698,7 @@ static void __exit ipgre_fini(void)
 {
 	rtnl_link_unregister(&ipgre_tap_ops);
 	rtnl_link_unregister(&ipgre_link_ops);
-	unregister_pernet_gen_device(ipgre_net_id, &ipgre_net_ops);
+	unregister_pernet_device(&ipgre_net_ops);
 	if (inet_del_protocol(&ipgre_protocol, IPPROTO_GRE) < 0)
 		printk(KERN_INFO "ipgre close: can't remove protocol\n");
 }
-- 
GitLab


From 86de8a631e90a96d136ffd877719471a0b8d8b6d Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Sun, 29 Nov 2009 15:46:14 +0000
Subject: [PATCH 1674/1815] net: Simplify ipip pernet operations.

Take advantage of the new pernet automatic storage management,
and stop using compatibility network namespace functions.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/ipip.c | 24 ++++++------------------
 1 file changed, 6 insertions(+), 18 deletions(-)

diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 7242ffcc44e..eda04fed337 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -775,17 +775,8 @@ static void ipip_destroy_tunnels(struct ipip_net *ipn, struct list_head *head)
 
 static int ipip_init_net(struct net *net)
 {
+	struct ipip_net *ipn = net_generic(net, ipip_net_id);
 	int err;
-	struct ipip_net *ipn;
-
-	err = -ENOMEM;
-	ipn = kzalloc(sizeof(struct ipip_net), GFP_KERNEL);
-	if (ipn == NULL)
-		goto err_alloc;
-
-	err = net_assign_generic(net, ipip_net_id, ipn);
-	if (err < 0)
-		goto err_assign;
 
 	ipn->tunnels[0] = ipn->tunnels_wc;
 	ipn->tunnels[1] = ipn->tunnels_l;
@@ -812,29 +803,26 @@ err_reg_dev:
 	free_netdev(ipn->fb_tunnel_dev);
 err_alloc_dev:
 	/* nothing */
-err_assign:
-	kfree(ipn);
-err_alloc:
 	return err;
 }
 
 static void ipip_exit_net(struct net *net)
 {
-	struct ipip_net *ipn;
+	struct ipip_net *ipn = net_generic(net, ipip_net_id);
 	LIST_HEAD(list);
 
-	ipn = net_generic(net, ipip_net_id);
 	rtnl_lock();
 	ipip_destroy_tunnels(ipn, &list);
 	unregister_netdevice_queue(ipn->fb_tunnel_dev, &list);
 	unregister_netdevice_many(&list);
 	rtnl_unlock();
-	kfree(ipn);
 }
 
 static struct pernet_operations ipip_net_ops = {
 	.init = ipip_init_net,
 	.exit = ipip_exit_net,
+	.id   = &ipip_net_id,
+	.size = sizeof(struct ipip_net),
 };
 
 static int __init ipip_init(void)
@@ -848,7 +836,7 @@ static int __init ipip_init(void)
 		return -EAGAIN;
 	}
 
-	err = register_pernet_gen_device(&ipip_net_id, &ipip_net_ops);
+	err = register_pernet_device(&ipip_net_ops);
 	if (err)
 		xfrm4_tunnel_deregister(&ipip_handler, AF_INET);
 
@@ -860,7 +848,7 @@ static void __exit ipip_fini(void)
 	if (xfrm4_tunnel_deregister(&ipip_handler, AF_INET))
 		printk(KERN_INFO "ipip close: can't deregister tunnel\n");
 
-	unregister_pernet_gen_device(ipip_net_id, &ipip_net_ops);
+	unregister_pernet_device(&ipip_net_ops);
 }
 
 module_init(ipip_init);
-- 
GitLab


From ac31cd3cbadc45d6ed2a0ae5d116918b15bb6c22 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Sun, 29 Nov 2009 15:46:15 +0000
Subject: [PATCH 1675/1815] net: Simplify ip6_tunnel pernet operations.

Take advantage of the new pernet automatic storage management,
and stop using compatibility network namespace functions.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/ip6_tunnel.c | 25 ++++++-------------------
 1 file changed, 6 insertions(+), 19 deletions(-)

diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index e5c0f6bb831..d453d07b0df 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1409,17 +1409,8 @@ static void ip6_tnl_destroy_tunnels(struct ip6_tnl_net *ip6n)
 
 static int ip6_tnl_init_net(struct net *net)
 {
+	struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
 	int err;
-	struct ip6_tnl_net *ip6n;
-
-	err = -ENOMEM;
-	ip6n = kzalloc(sizeof(struct ip6_tnl_net), GFP_KERNEL);
-	if (ip6n == NULL)
-		goto err_alloc;
-
-	err = net_assign_generic(net, ip6_tnl_net_id, ip6n);
-	if (err < 0)
-		goto err_assign;
 
 	ip6n->tnls[0] = ip6n->tnls_wc;
 	ip6n->tnls[1] = ip6n->tnls_r_l;
@@ -1442,27 +1433,23 @@ static int ip6_tnl_init_net(struct net *net)
 err_register:
 	free_netdev(ip6n->fb_tnl_dev);
 err_alloc_dev:
-	/* nothing */
-err_assign:
-	kfree(ip6n);
-err_alloc:
 	return err;
 }
 
 static void ip6_tnl_exit_net(struct net *net)
 {
-	struct ip6_tnl_net *ip6n;
+	struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
 
-	ip6n = net_generic(net, ip6_tnl_net_id);
 	rtnl_lock();
 	ip6_tnl_destroy_tunnels(ip6n);
 	rtnl_unlock();
-	kfree(ip6n);
 }
 
 static struct pernet_operations ip6_tnl_net_ops = {
 	.init = ip6_tnl_init_net,
 	.exit = ip6_tnl_exit_net,
+	.id   = &ip6_tnl_net_id,
+	.size = sizeof(struct ip6_tnl_net),
 };
 
 /**
@@ -1487,7 +1474,7 @@ static int __init ip6_tunnel_init(void)
 		goto unreg_ip4ip6;
 	}
 
-	err = register_pernet_gen_device(&ip6_tnl_net_id, &ip6_tnl_net_ops);
+	err = register_pernet_device(&ip6_tnl_net_ops);
 	if (err < 0)
 		goto err_pernet;
 	return 0;
@@ -1511,7 +1498,7 @@ static void __exit ip6_tunnel_cleanup(void)
 	if (xfrm6_tunnel_deregister(&ip6ip6_handler, AF_INET6))
 		printk(KERN_INFO "ip6_tunnel close: can't deregister ip6ip6\n");
 
-	unregister_pernet_gen_device(ip6_tnl_net_id, &ip6_tnl_net_ops);
+	unregister_pernet_device(&ip6_tnl_net_ops);
 }
 
 module_init(ip6_tunnel_init);
-- 
GitLab


From 671011720baa222b6de667cd688aed4dc8908924 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Sun, 29 Nov 2009 15:46:16 +0000
Subject: [PATCH 1676/1815] net: Simplify ipip6 aka sit pernet operations.

Take advantage of the new pernet automatic storage management,
and stop using compatibility network namespace functions.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/sit.c | 25 ++++++-------------------
 1 file changed, 6 insertions(+), 19 deletions(-)

diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index d9deaa7753e..976e68244b9 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -1164,17 +1164,8 @@ static void sit_destroy_tunnels(struct sit_net *sitn, struct list_head *head)
 
 static int sit_init_net(struct net *net)
 {
+	struct sit_net *sitn = net_generic(net, sit_net_id);
 	int err;
-	struct sit_net *sitn;
-
-	err = -ENOMEM;
-	sitn = kzalloc(sizeof(struct sit_net), GFP_KERNEL);
-	if (sitn == NULL)
-		goto err_alloc;
-
-	err = net_assign_generic(net, sit_net_id, sitn);
-	if (err < 0)
-		goto err_assign;
 
 	sitn->tunnels[0] = sitn->tunnels_wc;
 	sitn->tunnels[1] = sitn->tunnels_l;
@@ -1201,37 +1192,33 @@ err_reg_dev:
 	dev_put(sitn->fb_tunnel_dev);
 	free_netdev(sitn->fb_tunnel_dev);
 err_alloc_dev:
-	/* nothing */
-err_assign:
-	kfree(sitn);
-err_alloc:
 	return err;
 }
 
 static void sit_exit_net(struct net *net)
 {
-	struct sit_net *sitn;
+	struct sit_net *sitn = net_generic(net, sit_net_id);
 	LIST_HEAD(list);
 
-	sitn = net_generic(net, sit_net_id);
 	rtnl_lock();
 	sit_destroy_tunnels(sitn, &list);
 	unregister_netdevice_queue(sitn->fb_tunnel_dev, &list);
 	unregister_netdevice_many(&list);
 	rtnl_unlock();
-	kfree(sitn);
 }
 
 static struct pernet_operations sit_net_ops = {
 	.init = sit_init_net,
 	.exit = sit_exit_net,
+	.id   = &sit_net_id,
+	.size = sizeof(struct sit_net),
 };
 
 static void __exit sit_cleanup(void)
 {
 	xfrm4_tunnel_deregister(&sit_handler, AF_INET6);
 
-	unregister_pernet_gen_device(sit_net_id, &sit_net_ops);
+	unregister_pernet_device(&sit_net_ops);
 	rcu_barrier(); /* Wait for completion of call_rcu()'s */
 }
 
@@ -1246,7 +1233,7 @@ static int __init sit_init(void)
 		return -EAGAIN;
 	}
 
-	err = register_pernet_gen_device(&sit_net_id, &sit_net_ops);
+	err = register_pernet_device(&sit_net_ops);
 	if (err < 0)
 		xfrm4_tunnel_deregister(&sit_handler, AF_INET6);
 
-- 
GitLab


From 65c0cfafce9575319fb6f70080fbe226e5617e3b Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Sun, 29 Nov 2009 15:46:17 +0000
Subject: [PATCH 1677/1815] net: remove [un]register_pernet_gen_... and update
 the docs.

No that all of the callers have been updated to set fields in
struct pernet_operations, and simplified to let the network
namespace core handle the allocation and freeing of the storage
for them, remove the surpurpflous methods and update the docs
to the new style.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/net_namespace.h | 22 ----------------------
 include/net/netns/generic.h |  8 +++++---
 2 files changed, 5 insertions(+), 25 deletions(-)

diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 080774b9dbf..24a8c5591f6 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -264,28 +264,6 @@ extern void unregister_pernet_subsys(struct pernet_operations *);
 extern int register_pernet_device(struct pernet_operations *);
 extern void unregister_pernet_device(struct pernet_operations *);
 
-static inline int register_pernet_gen_subsys(int *id, struct pernet_operations *ops)
-{
-	ops->id = id;
-	return register_pernet_subsys(ops);
-}
-
-static inline void unregister_pernet_gen_subsys(int id, struct pernet_operations *ops)
-{
-	return unregister_pernet_subsys(ops);
-}
-
-static inline int register_pernet_gen_device(int *id, struct pernet_operations *ops)
-{
-	ops->id = id;
-	return register_pernet_device(ops);
-}
-
-static inline void unregister_pernet_gen_device(int id, struct pernet_operations *ops)
-{
-	return unregister_pernet_device(ops);
-}
-
 struct ctl_path;
 struct ctl_table;
 struct ctl_table_header;
diff --git a/include/net/netns/generic.h b/include/net/netns/generic.h
index 0c04fd2a700..ff4982ab84b 100644
--- a/include/net/netns/generic.h
+++ b/include/net/netns/generic.h
@@ -12,9 +12,11 @@
  * stuff on the struct net without explicit struct net modification
  *
  * The rules are simple:
- * 1. register the ops with register_pernet_gen_device to get the id
- *    of your private pointer;
- * 2. call net_assign_generic() to put the private data on the struct
+ * 1. set pernet_operations->id.  After register_pernet_device you
+ *    will have the id of your private pointer.
+ * 2. Either set pernet_operations->size (to have the code allocate and
+ *    free a private structure pointed to from struct net ) or 
+ *    call net_assign_generic() to put the private data on the struct
  *    net (most preferably this should be done in the ->init callback
  *    of the ops registered);
  * 3. do not change this pointer while the net is alive;
-- 
GitLab


From caaddaf83501c79fe11b183c8972e60d8b7d5d56 Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Tue, 1 Dec 2009 15:46:43 +0000
Subject: [PATCH 1678/1815] e1000e: provide family-specific functions to manage
 VLAN filter arrays

The two MAC-families that have VLAN filter table register arrays manage
each a bit differently from one another, so provide family-specific
functions for managing the register arrays and function pointers to access
the appropriate function.  Also make sure attempts to access these
register arrays are not done on parts not supporting that feature.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/82571.c  |  9 ++++++---
 drivers/net/e1000e/e1000.h  |  4 ++--
 drivers/net/e1000e/es2lan.c |  4 +++-
 drivers/net/e1000e/hw.h     |  2 ++
 drivers/net/e1000e/lib.c    | 21 +++++++++++++++++++--
 drivers/net/e1000e/netdev.c | 21 +++++++++++++--------
 6 files changed, 45 insertions(+), 16 deletions(-)

diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
index 62bbc6e0a76..8ea3ed7e536 100644
--- a/drivers/net/e1000e/82571.c
+++ b/drivers/net/e1000e/82571.c
@@ -65,6 +65,7 @@ static s32 e1000_fix_nvm_checksum_82571(struct e1000_hw *hw);
 static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw);
 static s32 e1000_setup_link_82571(struct e1000_hw *hw);
 static void e1000_clear_hw_cntrs_82571(struct e1000_hw *hw);
+static void e1000_clear_vfta_82571(struct e1000_hw *hw);
 static bool e1000_check_mng_mode_82574(struct e1000_hw *hw);
 static s32 e1000_led_on_82574(struct e1000_hw *hw);
 static void e1000_put_hw_semaphore_82571(struct e1000_hw *hw);
@@ -949,7 +950,7 @@ static s32 e1000_init_hw_82571(struct e1000_hw *hw)
 
 	/* Disabling VLAN filtering */
 	e_dbg("Initializing the IEEE VLAN\n");
-	e1000e_clear_vfta(hw);
+	mac->ops.clear_vfta(hw);
 
 	/* Setup the receive address. */
 	/*
@@ -1128,13 +1129,13 @@ static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw)
 }
 
 /**
- *  e1000e_clear_vfta - Clear VLAN filter table
+ *  e1000_clear_vfta_82571 - Clear VLAN filter table
  *  @hw: pointer to the HW structure
  *
  *  Clears the register array which contains the VLAN filter table by
  *  setting all the values to 0.
  **/
-void e1000e_clear_vfta(struct e1000_hw *hw)
+static void e1000_clear_vfta_82571(struct e1000_hw *hw)
 {
 	u32 offset;
 	u32 vfta_value = 0;
@@ -1656,6 +1657,8 @@ static struct e1000_mac_operations e82571_mac_ops = {
 	/* .led_on: mac type dependent */
 	.led_off		= e1000e_led_off_generic,
 	.update_mc_addr_list	= e1000_update_mc_addr_list_82571,
+	.write_vfta		= e1000_write_vfta_generic,
+	.clear_vfta		= e1000_clear_vfta_82571,
 	.reset_hw		= e1000_reset_hw_82571,
 	.init_hw		= e1000_init_hw_82571,
 	.setup_link		= e1000_setup_link_82571,
diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h
index 3102d738cfd..4c08752b824 100644
--- a/drivers/net/e1000e/e1000.h
+++ b/drivers/net/e1000e/e1000.h
@@ -509,7 +509,7 @@ extern s32 e1000e_setup_fiber_serdes_link(struct e1000_hw *hw);
 extern s32 e1000e_copper_link_setup_m88(struct e1000_hw *hw);
 extern s32 e1000e_copper_link_setup_igp(struct e1000_hw *hw);
 extern s32 e1000e_setup_link(struct e1000_hw *hw);
-extern void e1000e_clear_vfta(struct e1000_hw *hw);
+extern void e1000_clear_vfta_generic(struct e1000_hw *hw);
 extern void e1000e_init_rx_addrs(struct e1000_hw *hw, u16 rar_count);
 extern void e1000e_update_mc_addr_list_generic(struct e1000_hw *hw,
 					       u8 *mc_addr_list,
@@ -525,7 +525,7 @@ extern void e1000e_config_collision_dist(struct e1000_hw *hw);
 extern s32 e1000e_config_fc_after_link_up(struct e1000_hw *hw);
 extern s32 e1000e_force_mac_fc(struct e1000_hw *hw);
 extern s32 e1000e_blink_led(struct e1000_hw *hw);
-extern void e1000e_write_vfta(struct e1000_hw *hw, u32 offset, u32 value);
+extern void e1000_write_vfta_generic(struct e1000_hw *hw, u32 offset, u32 value);
 extern void e1000e_reset_adaptive(struct e1000_hw *hw);
 extern void e1000e_update_adaptive(struct e1000_hw *hw);
 
diff --git a/drivers/net/e1000e/es2lan.c b/drivers/net/e1000e/es2lan.c
index e50579859e0..3ff932f02f2 100644
--- a/drivers/net/e1000e/es2lan.c
+++ b/drivers/net/e1000e/es2lan.c
@@ -807,7 +807,7 @@ static s32 e1000_init_hw_80003es2lan(struct e1000_hw *hw)
 
 	/* Disabling VLAN filtering */
 	e_dbg("Initializing the IEEE VLAN\n");
-	e1000e_clear_vfta(hw);
+	mac->ops.clear_vfta(hw);
 
 	/* Setup the receive address. */
 	e1000e_init_rx_addrs(hw, mac->rar_entry_count);
@@ -1350,6 +1350,8 @@ static struct e1000_mac_operations es2_mac_ops = {
 	.led_on			= e1000e_led_on_generic,
 	.led_off		= e1000e_led_off_generic,
 	.update_mc_addr_list	= e1000e_update_mc_addr_list_generic,
+	.write_vfta		= e1000_write_vfta_generic,
+	.clear_vfta		= e1000_clear_vfta_generic,
 	.reset_hw		= e1000_reset_hw_80003es2lan,
 	.init_hw		= e1000_init_hw_80003es2lan,
 	.setup_link		= e1000e_setup_link,
diff --git a/drivers/net/e1000e/hw.h b/drivers/net/e1000e/hw.h
index 426155c15ce..6c3d55fc775 100644
--- a/drivers/net/e1000e/hw.h
+++ b/drivers/net/e1000e/hw.h
@@ -741,6 +741,7 @@ struct e1000_mac_operations {
 	s32  (*check_for_link)(struct e1000_hw *);
 	s32  (*cleanup_led)(struct e1000_hw *);
 	void (*clear_hw_cntrs)(struct e1000_hw *);
+	void (*clear_vfta)(struct e1000_hw *);
 	s32  (*get_bus_info)(struct e1000_hw *);
 	s32  (*get_link_up_info)(struct e1000_hw *, u16 *, u16 *);
 	s32  (*led_on)(struct e1000_hw *);
@@ -751,6 +752,7 @@ struct e1000_mac_operations {
 	s32  (*setup_link)(struct e1000_hw *);
 	s32  (*setup_physical_interface)(struct e1000_hw *);
 	s32  (*setup_led)(struct e1000_hw *);
+	void (*write_vfta)(struct e1000_hw *, u32, u32);
 };
 
 /* Function pointers for the PHY. */
diff --git a/drivers/net/e1000e/lib.c b/drivers/net/e1000e/lib.c
index f690a1055b4..e3976ea668d 100644
--- a/drivers/net/e1000e/lib.c
+++ b/drivers/net/e1000e/lib.c
@@ -82,7 +82,24 @@ s32 e1000e_get_bus_info_pcie(struct e1000_hw *hw)
 }
 
 /**
- *  e1000e_write_vfta - Write value to VLAN filter table
+ *  e1000_clear_vfta_generic - Clear VLAN filter table
+ *  @hw: pointer to the HW structure
+ *
+ *  Clears the register array which contains the VLAN filter table by
+ *  setting all the values to 0.
+ **/
+void e1000_clear_vfta_generic(struct e1000_hw *hw)
+{
+	u32 offset;
+
+	for (offset = 0; offset < E1000_VLAN_FILTER_TBL_SIZE; offset++) {
+		E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, offset, 0);
+		e1e_flush();
+	}
+}
+
+/**
+ *  e1000_write_vfta_generic - Write value to VLAN filter table
  *  @hw: pointer to the HW structure
  *  @offset: register offset in VLAN filter table
  *  @value: register value written to VLAN filter table
@@ -90,7 +107,7 @@ s32 e1000e_get_bus_info_pcie(struct e1000_hw *hw)
  *  Writes value at the given offset in the register array which stores
  *  the VLAN filter table.
  **/
-void e1000e_write_vfta(struct e1000_hw *hw, u32 offset, u32 value)
+void e1000_write_vfta_generic(struct e1000_hw *hw, u32 offset, u32 value)
 {
 	E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, offset, value);
 	e1e_flush();
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index e546b4ebf15..2381cb76f17 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -2031,11 +2031,14 @@ static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
 	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
 	    (vid == adapter->mng_vlan_id))
 		return;
+
 	/* add VID to filter table */
-	index = (vid >> 5) & 0x7F;
-	vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
-	vfta |= (1 << (vid & 0x1F));
-	e1000e_write_vfta(hw, index, vfta);
+	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
+		index = (vid >> 5) & 0x7F;
+		vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
+		vfta |= (1 << (vid & 0x1F));
+		hw->mac.ops.write_vfta(hw, index, vfta);
+	}
 }
 
 static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
@@ -2060,10 +2063,12 @@ static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
 	}
 
 	/* remove VID from filter table */
-	index = (vid >> 5) & 0x7F;
-	vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
-	vfta &= ~(1 << (vid & 0x1F));
-	e1000e_write_vfta(hw, index, vfta);
+	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
+		index = (vid >> 5) & 0x7F;
+		vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
+		vfta &= ~(1 << (vid & 0x1F));
+		hw->mac.ops.write_vfta(hw, index, vfta);
+	}
 }
 
 static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
-- 
GitLab


From eb656d4552a6c9de5fdcee4a376b171f57b8a4a2 Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Tue, 1 Dec 2009 15:47:02 +0000
Subject: [PATCH 1679/1815] e1000e: guard against buffer overflow in cable
 length tables

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/es2lan.c | 17 +++++++++++++----
 drivers/net/e1000e/phy.c    | 14 +++++++++++---
 2 files changed, 24 insertions(+), 7 deletions(-)

diff --git a/drivers/net/e1000e/es2lan.c b/drivers/net/e1000e/es2lan.c
index 3ff932f02f2..3f435c16608 100644
--- a/drivers/net/e1000e/es2lan.c
+++ b/drivers/net/e1000e/es2lan.c
@@ -99,6 +99,8 @@
  */
 static const u16 e1000_gg82563_cable_length_table[] =
 	 { 0, 60, 115, 150, 150, 60, 115, 150, 180, 180, 0xFF };
+#define GG82563_CABLE_LENGTH_TABLE_SIZE \
+		ARRAY_SIZE(e1000_gg82563_cable_length_table)
 
 static s32 e1000_setup_copper_link_80003es2lan(struct e1000_hw *hw);
 static s32 e1000_acquire_swfw_sync_80003es2lan(struct e1000_hw *hw, u16 mask);
@@ -694,20 +696,27 @@ static s32 e1000_phy_force_speed_duplex_80003es2lan(struct e1000_hw *hw)
 static s32 e1000_get_cable_length_80003es2lan(struct e1000_hw *hw)
 {
 	struct e1000_phy_info *phy = &hw->phy;
-	s32 ret_val;
+	s32 ret_val = 0;
 	u16 phy_data, index;
 
 	ret_val = e1e_rphy(hw, GG82563_PHY_DSP_DISTANCE, &phy_data);
 	if (ret_val)
-		return ret_val;
+		goto out;
 
 	index = phy_data & GG82563_DSPD_CABLE_LENGTH;
+
+	if (index >= GG82563_CABLE_LENGTH_TABLE_SIZE - 5) {
+		ret_val = -E1000_ERR_PHY;
+		goto out;
+	}
+
 	phy->min_cable_length = e1000_gg82563_cable_length_table[index];
-	phy->max_cable_length = e1000_gg82563_cable_length_table[index+5];
+	phy->max_cable_length = e1000_gg82563_cable_length_table[index + 5];
 
 	phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2;
 
-	return 0;
+out:
+	return ret_val;
 }
 
 /**
diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c
index 5cd01c691c5..9ce499734dc 100644
--- a/drivers/net/e1000e/phy.c
+++ b/drivers/net/e1000e/phy.c
@@ -44,6 +44,8 @@ static s32 e1000_access_phy_debug_regs_hv(struct e1000_hw *hw, u32 offset,
 /* Cable length tables */
 static const u16 e1000_m88_cable_length_table[] =
 	{ 0, 50, 80, 110, 140, 140, E1000_CABLE_LENGTH_UNDEFINED };
+#define M88E1000_CABLE_LENGTH_TABLE_SIZE \
+		ARRAY_SIZE(e1000_m88_cable_length_table)
 
 static const u16 e1000_igp_2_cable_length_table[] =
 	{ 0, 0, 0, 0, 0, 0, 0, 0, 3, 5, 8, 11, 13, 16, 18, 21, 0, 0, 0, 3,
@@ -1717,15 +1719,21 @@ s32 e1000e_get_cable_length_m88(struct e1000_hw *hw)
 
 	ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
 	if (ret_val)
-		return ret_val;
+		goto out;
 
 	index = (phy_data & M88E1000_PSSR_CABLE_LENGTH) >>
-		M88E1000_PSSR_CABLE_LENGTH_SHIFT;
+	        M88E1000_PSSR_CABLE_LENGTH_SHIFT;
+	if (index >= M88E1000_CABLE_LENGTH_TABLE_SIZE - 1) {
+		ret_val = -E1000_ERR_PHY;
+		goto out;
+	}
+
 	phy->min_cable_length = e1000_m88_cable_length_table[index];
-	phy->max_cable_length = e1000_m88_cable_length_table[index+1];
+	phy->max_cable_length = e1000_m88_cable_length_table[index + 1];
 
 	phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2;
 
+out:
 	return ret_val;
 }
 
-- 
GitLab


From 17f208deb9bf88315aa72c08c866a235c399fb9a Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Tue, 1 Dec 2009 15:47:22 +0000
Subject: [PATCH 1680/1815] e1000e: provide family-specific PHY power up/down
 operations

The different families (80003es2lan, 8257x, ICHx/PCH) supported by the
driver each have their own conditions when the PHY can be powered down.
This patch rewrites the PHY power up/down code to fit with the family-
specific style used in the driver.  All pre-existing calls to power up or
down the PHY remain untouched.  A new call to power down the PHY when
removing the driver when the interface is down replaces the current call
to reset the PHY in order to reduce power consumption.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/82571.c   | 26 +++++++++++++++++++
 drivers/net/e1000e/e1000.h   |  2 ++
 drivers/net/e1000e/es2lan.c  | 21 +++++++++++++++
 drivers/net/e1000e/hw.h      |  2 ++
 drivers/net/e1000e/ich8lan.c | 23 +++++++++++++++++
 drivers/net/e1000e/netdev.c  | 50 ++++++++----------------------------
 drivers/net/e1000e/phy.c     | 37 ++++++++++++++++++++++++++
 7 files changed, 122 insertions(+), 39 deletions(-)

diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
index 8ea3ed7e536..26ea5d57a35 100644
--- a/drivers/net/e1000e/82571.c
+++ b/drivers/net/e1000e/82571.c
@@ -69,6 +69,7 @@ static void e1000_clear_vfta_82571(struct e1000_hw *hw);
 static bool e1000_check_mng_mode_82574(struct e1000_hw *hw);
 static s32 e1000_led_on_82574(struct e1000_hw *hw);
 static void e1000_put_hw_semaphore_82571(struct e1000_hw *hw);
+static void e1000_power_down_phy_copper_82571(struct e1000_hw *hw);
 
 /**
  *  e1000_init_phy_params_82571 - Init PHY func ptrs.
@@ -88,6 +89,9 @@ static s32 e1000_init_phy_params_82571(struct e1000_hw *hw)
 	phy->autoneg_mask		 = AUTONEG_ADVERTISE_SPEED_DEFAULT;
 	phy->reset_delay_us		 = 100;
 
+	phy->ops.power_up		 = e1000_power_up_phy_copper;
+	phy->ops.power_down		 = e1000_power_down_phy_copper_82571;
+
 	switch (hw->mac.type) {
 	case e1000_82571:
 	case e1000_82572:
@@ -1600,6 +1604,28 @@ static s32 e1000_fix_nvm_checksum_82571(struct e1000_hw *hw)
 	return 0;
 }
 
+/**
+ * e1000_power_down_phy_copper_82571 - Remove link during PHY power down
+ * @hw: pointer to the HW structure
+ *
+ * In the case of a PHY power down to save power, or to turn off link during a
+ * driver unload, or wake on lan is not enabled, remove the link.
+ **/
+static void e1000_power_down_phy_copper_82571(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	struct e1000_mac_info *mac = &hw->mac;
+
+	if (!(phy->ops.check_reset_block))
+		return;
+
+	/* If the management interface is not enabled, then power down */
+	if (!(mac->ops.check_mng_mode(hw) || phy->ops.check_reset_block(hw)))
+		e1000_power_down_phy_copper(hw);
+
+	return;
+}
+
 /**
  *  e1000_clear_hw_cntrs_82571 - Clear device specific hardware counters
  *  @hw: pointer to the HW structure
diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h
index 4c08752b824..c4e861fb386 100644
--- a/drivers/net/e1000e/e1000.h
+++ b/drivers/net/e1000e/e1000.h
@@ -568,6 +568,8 @@ extern s32 e1000e_read_kmrn_reg_locked(struct e1000_hw *hw, u32 offset,
 extern s32 e1000e_phy_has_link_generic(struct e1000_hw *hw, u32 iterations,
 			       u32 usec_interval, bool *success);
 extern s32 e1000e_phy_reset_dsp(struct e1000_hw *hw);
+extern void e1000_power_up_phy_copper(struct e1000_hw *hw);
+extern void e1000_power_down_phy_copper(struct e1000_hw *hw);
 extern s32 e1000e_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data);
 extern s32 e1000e_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data);
 extern s32 e1000e_check_downshift(struct e1000_hw *hw);
diff --git a/drivers/net/e1000e/es2lan.c b/drivers/net/e1000e/es2lan.c
index 3f435c16608..c7bc657b5da 100644
--- a/drivers/net/e1000e/es2lan.c
+++ b/drivers/net/e1000e/es2lan.c
@@ -114,6 +114,7 @@ static s32  e1000_read_kmrn_reg_80003es2lan(struct e1000_hw *hw, u32 offset,
                                             u16 *data);
 static s32  e1000_write_kmrn_reg_80003es2lan(struct e1000_hw *hw, u32 offset,
                                              u16 data);
+static void e1000_power_down_phy_copper_80003es2lan(struct e1000_hw *hw);
 
 /**
  *  e1000_init_phy_params_80003es2lan - Init ESB2 PHY func ptrs.
@@ -127,6 +128,9 @@ static s32 e1000_init_phy_params_80003es2lan(struct e1000_hw *hw)
 	if (hw->phy.media_type != e1000_media_type_copper) {
 		phy->type	= e1000_phy_none;
 		return 0;
+	} else {
+		phy->ops.power_up = e1000_power_up_phy_copper;
+		phy->ops.power_down = e1000_power_down_phy_copper_80003es2lan;
 	}
 
 	phy->addr		= 1;
@@ -1302,6 +1306,23 @@ static s32 e1000_write_kmrn_reg_80003es2lan(struct e1000_hw *hw, u32 offset,
 	return ret_val;
 }
 
+/**
+ * e1000_power_down_phy_copper_80003es2lan - Remove link during PHY power down
+ * @hw: pointer to the HW structure
+ *
+ * In the case of a PHY power down to save power, or to turn off link during a
+ * driver unload, or wake on lan is not enabled, remove the link.
+ **/
+static void e1000_power_down_phy_copper_80003es2lan(struct e1000_hw *hw)
+{
+	/* If the management interface is not enabled, then power down */
+	if (!(hw->mac.ops.check_mng_mode(hw) ||
+	      hw->phy.ops.check_reset_block(hw)))
+		e1000_power_down_phy_copper(hw);
+
+	return;
+}
+
 /**
  *  e1000_clear_hw_cntrs_80003es2lan - Clear device specific hardware counters
  *  @hw: pointer to the HW structure
diff --git a/drivers/net/e1000e/hw.h b/drivers/net/e1000e/hw.h
index 6c3d55fc775..e0addf3eea8 100644
--- a/drivers/net/e1000e/hw.h
+++ b/drivers/net/e1000e/hw.h
@@ -774,6 +774,8 @@ struct e1000_phy_operations {
 	s32  (*set_d3_lplu_state)(struct e1000_hw *, bool);
 	s32  (*write_reg)(struct e1000_hw *, u32, u16);
 	s32  (*write_reg_locked)(struct e1000_hw *, u32, u16);
+	void (*power_up)(struct e1000_hw *);
+	void (*power_down)(struct e1000_hw *);
 };
 
 /* Function pointers for the NVM. */
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index 7530fc5d81c..9c389559892 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -217,6 +217,7 @@ static s32 e1000_cleanup_led_pchlan(struct e1000_hw *hw);
 static s32 e1000_led_on_pchlan(struct e1000_hw *hw);
 static s32 e1000_led_off_pchlan(struct e1000_hw *hw);
 static s32 e1000_set_lplu_state_pchlan(struct e1000_hw *hw, bool active);
+static void e1000_power_down_phy_copper_ich8lan(struct e1000_hw *hw);
 static void e1000_lan_init_done_ich8lan(struct e1000_hw *hw);
 static s32  e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link);
 
@@ -266,6 +267,8 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw)
 	phy->ops.set_d3_lplu_state    = e1000_set_lplu_state_pchlan;
 	phy->ops.write_reg            = e1000_write_phy_reg_hv;
 	phy->ops.write_reg_locked     = e1000_write_phy_reg_hv_locked;
+	phy->ops.power_up             = e1000_power_up_phy_copper;
+	phy->ops.power_down           = e1000_power_down_phy_copper_ich8lan;
 	phy->autoneg_mask             = AUTONEG_ADVERTISE_SPEED_DEFAULT;
 
 	phy->id = e1000_phy_unknown;
@@ -299,6 +302,9 @@ static s32 e1000_init_phy_params_ich8lan(struct e1000_hw *hw)
 	phy->addr			= 1;
 	phy->reset_delay_us		= 100;
 
+	phy->ops.power_up               = e1000_power_up_phy_copper;
+	phy->ops.power_down             = e1000_power_down_phy_copper_ich8lan;
+
 	/*
 	 * We may need to do this twice - once for IGP and if that fails,
 	 * we'll set BM func pointers and try again
@@ -3391,6 +3397,23 @@ static s32 e1000_get_cfg_done_ich8lan(struct e1000_hw *hw)
 	return 0;
 }
 
+/**
+ * e1000_power_down_phy_copper_ich8lan - Remove link during PHY power down
+ * @hw: pointer to the HW structure
+ *
+ * In the case of a PHY power down to save power, or to turn off link during a
+ * driver unload, or wake on lan is not enabled, remove the link.
+ **/
+static void e1000_power_down_phy_copper_ich8lan(struct e1000_hw *hw)
+{
+	/* If the management interface is not enabled, then power down */
+	if (!(hw->mac.ops.check_mng_mode(hw) ||
+	      hw->phy.ops.check_reset_block(hw)))
+		e1000_power_down_phy_copper(hw);
+
+	return;
+}
+
 /**
  *  e1000_clear_hw_cntrs_ich8lan - Clear statistical counters
  *  @hw: pointer to the HW structure
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 2381cb76f17..ab4db5266f1 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -2641,18 +2641,8 @@ static void e1000_configure(struct e1000_adapter *adapter)
  **/
 void e1000e_power_up_phy(struct e1000_adapter *adapter)
 {
-	u16 mii_reg = 0;
-
-	/* Just clear the power down bit to wake the phy back up */
-	if (adapter->hw.phy.media_type == e1000_media_type_copper) {
-		/*
-		 * According to the manual, the phy will retain its
-		 * settings across a power-down/up cycle
-		 */
-		e1e_rphy(&adapter->hw, PHY_CONTROL, &mii_reg);
-		mii_reg &= ~MII_CR_POWER_DOWN;
-		e1e_wphy(&adapter->hw, PHY_CONTROL, mii_reg);
-	}
+	if (adapter->hw.phy.ops.power_up)
+		adapter->hw.phy.ops.power_up(&adapter->hw);
 
 	adapter->hw.mac.ops.setup_link(&adapter->hw);
 }
@@ -2660,35 +2650,17 @@ void e1000e_power_up_phy(struct e1000_adapter *adapter)
 /**
  * e1000_power_down_phy - Power down the PHY
  *
- * Power down the PHY so no link is implied when interface is down
- * The PHY cannot be powered down is management or WoL is active
+ * Power down the PHY so no link is implied when interface is down.
+ * The PHY cannot be powered down if management or WoL is active.
  */
 static void e1000_power_down_phy(struct e1000_adapter *adapter)
 {
-	struct e1000_hw *hw = &adapter->hw;
-	u16 mii_reg;
-
 	/* WoL is enabled */
 	if (adapter->wol)
 		return;
 
-	/* non-copper PHY? */
-	if (adapter->hw.phy.media_type != e1000_media_type_copper)
-		return;
-
-	/* reset is blocked because of a SoL/IDER session */
-	if (e1000e_check_mng_mode(hw) || e1000_check_reset_block(hw))
-		return;
-
-	/* manageability (AMT) is enabled */
-	if (er32(MANC) & E1000_MANC_SMBUS_EN)
-		return;
-
-	/* power down the PHY */
-	e1e_rphy(hw, PHY_CONTROL, &mii_reg);
-	mii_reg |= MII_CR_POWER_DOWN;
-	e1e_wphy(hw, PHY_CONTROL, mii_reg);
-	mdelay(1);
+	if (adapter->hw.phy.ops.power_down)
+		adapter->hw.phy.ops.power_down(&adapter->hw);
 }
 
 /**
@@ -5294,17 +5266,17 @@ static void __devexit e1000_remove(struct pci_dev *pdev)
 	cancel_work_sync(&adapter->print_hang_task);
 	flush_scheduled_work();
 
+	if (!(netdev->flags & IFF_UP))
+		e1000_power_down_phy(adapter);
+
+	unregister_netdev(netdev);
+
 	/*
 	 * Release control of h/w to f/w.  If f/w is AMT enabled, this
 	 * would have already happened in close and is redundant.
 	 */
 	e1000_release_hw_control(adapter);
 
-	unregister_netdev(netdev);
-
-	if (!e1000_check_reset_block(&adapter->hw))
-		e1000_phy_hw_reset(&adapter->hw);
-
 	e1000e_reset_interrupt_capability(adapter);
 	kfree(adapter->tx_ring);
 	kfree(adapter->rx_ring);
diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c
index 9ce499734dc..140b23b320f 100644
--- a/drivers/net/e1000e/phy.c
+++ b/drivers/net/e1000e/phy.c
@@ -2533,6 +2533,43 @@ out:
 	return ret_val;
 }
 
+/**
+ * e1000_power_up_phy_copper - Restore copper link in case of PHY power down
+ * @hw: pointer to the HW structure
+ *
+ * In the case of a PHY power down to save power, or to turn off link during a
+ * driver unload, or wake on lan is not enabled, restore the link to previous
+ * settings.
+ **/
+void e1000_power_up_phy_copper(struct e1000_hw *hw)
+{
+	u16 mii_reg = 0;
+
+	/* The PHY will retain its settings across a power down/up cycle */
+	e1e_rphy(hw, PHY_CONTROL, &mii_reg);
+	mii_reg &= ~MII_CR_POWER_DOWN;
+	e1e_wphy(hw, PHY_CONTROL, mii_reg);
+}
+
+/**
+ * e1000_power_down_phy_copper - Restore copper link in case of PHY power down
+ * @hw: pointer to the HW structure
+ *
+ * In the case of a PHY power down to save power, or to turn off link during a
+ * driver unload, or wake on lan is not enabled, restore the link to previous
+ * settings.
+ **/
+void e1000_power_down_phy_copper(struct e1000_hw *hw)
+{
+	u16 mii_reg = 0;
+
+	/* The PHY will retain its settings across a power down/up cycle */
+	e1e_rphy(hw, PHY_CONTROL, &mii_reg);
+	mii_reg |= MII_CR_POWER_DOWN;
+	e1e_wphy(hw, PHY_CONTROL, mii_reg);
+	msleep(1);
+}
+
 /**
  *  e1000e_commit_phy - Soft PHY reset
  *  @hw: pointer to the HW structure
-- 
GitLab


From 1a40d5c170f472d541844cb5b4292efbe02ef89c Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Tue, 1 Dec 2009 15:49:51 +0000
Subject: [PATCH 1681/1815] e1000e: ensure the link state is correct for serdes
 links

This patch ensures that the link state (as reported in
mac->serdes_has_link) will transition to false when autoneg fails to
complete but valid codewords were detected.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/82571.c | 76 ++++++++++++++++++++++++--------------
 1 file changed, 48 insertions(+), 28 deletions(-)

diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
index 26ea5d57a35..227f3d03ba2 100644
--- a/drivers/net/e1000e/82571.c
+++ b/drivers/net/e1000e/82571.c
@@ -1356,8 +1356,20 @@ static s32 e1000_setup_fiber_serdes_link_82571(struct e1000_hw *hw)
  *  e1000_check_for_serdes_link_82571 - Check for link (Serdes)
  *  @hw: pointer to the HW structure
  *
- *  Checks for link up on the hardware.  If link is not up and we have
- *  a signal, then we need to force link up.
+ *  Reports the link state as up or down.
+ *
+ *  If autonegotiation is supported by the link partner, the link state is
+ *  determined by the result of autonegotiation. This is the most likely case.
+ *  If autonegotiation is not supported by the link partner, and the link
+ *  has a valid signal, force the link up.
+ *
+ *  The link state is represented internally here by 4 states:
+ *
+ *  1) down
+ *  2) autoneg_progress
+ *  3) autoneg_complete (the link sucessfully autonegotiated)
+ *  4) forced_up (the link has been forced up, it did not autonegotiate)
+ *
  **/
 static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw)
 {
@@ -1383,6 +1395,7 @@ static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw)
 				 */
 				mac->serdes_link_state =
 				    e1000_serdes_link_autoneg_progress;
+				mac->serdes_has_link = false;
 				e_dbg("AN_UP     -> AN_PROG\n");
 			}
 		break;
@@ -1397,57 +1410,64 @@ static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw)
 			if (rxcw & E1000_RXCW_C) {
 				/* Enable autoneg, and unforce link up */
 				ew32(TXCW, mac->txcw);
-				ew32(CTRL,
-				    (ctrl & ~E1000_CTRL_SLU));
+				ew32(CTRL, (ctrl & ~E1000_CTRL_SLU));
 				mac->serdes_link_state =
 				    e1000_serdes_link_autoneg_progress;
+				mac->serdes_has_link = false;
 				e_dbg("FORCED_UP -> AN_PROG\n");
 			}
 			break;
 
 		case e1000_serdes_link_autoneg_progress:
-			/*
-			 * If the LU bit is set in the STATUS register,
-			 * autoneg has completed sucessfully. If not,
-			 * try foring the link because the far end may be
-			 * available but not capable of autonegotiation.
-			 */
-			if (status & E1000_STATUS_LU)  {
-				mac->serdes_link_state =
-				    e1000_serdes_link_autoneg_complete;
-				e_dbg("AN_PROG   -> AN_UP\n");
+			if (rxcw & E1000_RXCW_C) {
+				/*
+				 * We received /C/ ordered sets, meaning the
+				 * link partner has autonegotiated, and we can
+				 * trust the Link Up (LU) status bit.
+				 */
+				if (status & E1000_STATUS_LU) {
+					mac->serdes_link_state =
+					    e1000_serdes_link_autoneg_complete;
+					e_dbg("AN_PROG   -> AN_UP\n");
+					mac->serdes_has_link = true;
+				} else {
+					/* Autoneg completed, but failed. */
+					mac->serdes_link_state =
+					    e1000_serdes_link_down;
+					e_dbg("AN_PROG   -> DOWN\n");
+				}
 			} else {
 				/*
-				 * Disable autoneg, force link up and
-				 * full duplex, and change state to forced
+				 * The link partner did not autoneg.
+				 * Force link up and full duplex, and change
+				 * state to forced.
 				 */
-				ew32(TXCW,
-				    (mac->txcw & ~E1000_TXCW_ANE));
+				ew32(TXCW, (mac->txcw & ~E1000_TXCW_ANE));
 				ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FD);
 				ew32(CTRL, ctrl);
 
 				/* Configure Flow Control after link up. */
-				ret_val =
-				    e1000e_config_fc_after_link_up(hw);
+				ret_val = e1000e_config_fc_after_link_up(hw);
 				if (ret_val) {
 					e_dbg("Error config flow control\n");
 					break;
 				}
 				mac->serdes_link_state =
 				    e1000_serdes_link_forced_up;
+				mac->serdes_has_link = true;
 				e_dbg("AN_PROG   -> FORCED_UP\n");
 			}
-			mac->serdes_has_link = true;
 			break;
 
 		case e1000_serdes_link_down:
 		default:
-			/* The link was down but the receiver has now gained
+			/*
+			 * The link was down but the receiver has now gained
 			 * valid sync, so lets see if we can bring the link
-			 * up. */
+			 * up.
+			 */
 			ew32(TXCW, mac->txcw);
-			ew32(CTRL,
-			    (ctrl & ~E1000_CTRL_SLU));
+			ew32(CTRL, (ctrl & ~E1000_CTRL_SLU));
 			mac->serdes_link_state =
 			    e1000_serdes_link_autoneg_progress;
 			e_dbg("DOWN      -> AN_PROG\n");
@@ -1460,9 +1480,9 @@ static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw)
 			e_dbg("ANYSTATE  -> DOWN\n");
 		} else {
 			/*
-			 * We have sync, and can tolerate one
-			 * invalid (IV) codeword before declaring
-			 * link down, so reread to look again
+			 * We have sync, and can tolerate one invalid (IV)
+			 * codeword before declaring link down, so reread
+			 * to look again.
 			 */
 			udelay(10);
 			rxcw = er32(RXCW);
-- 
GitLab


From 9e135a2e6266eba276f33c404a2478499bc07ff5 Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Tue, 1 Dec 2009 15:50:31 +0000
Subject: [PATCH 1682/1815] e1000e: enable new 82567V-3 device

This new PCI device ID is for a new combination of MAC and PHY both of
which already have supporting code in the driver, just not yet in this
combination.  During validation of the device, an intermittent issue was
discovered with waking it from a suspended state which can be resolved with
the pre-existing workaround to disable gigabit speed prior to suspending.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/hw.h      | 1 +
 drivers/net/e1000e/ich8lan.c | 1 +
 drivers/net/e1000e/netdev.c  | 1 +
 3 files changed, 3 insertions(+)

diff --git a/drivers/net/e1000e/hw.h b/drivers/net/e1000e/hw.h
index e0addf3eea8..41609d5561b 100644
--- a/drivers/net/e1000e/hw.h
+++ b/drivers/net/e1000e/hw.h
@@ -356,6 +356,7 @@ enum e1e_registers {
 #define E1000_DEV_ID_80003ES2LAN_COPPER_SPT	0x10BA
 #define E1000_DEV_ID_80003ES2LAN_SERDES_SPT	0x10BB
 
+#define E1000_DEV_ID_ICH8_82567V_3		0x1501
 #define E1000_DEV_ID_ICH8_IGP_M_AMT		0x1049
 #define E1000_DEV_ID_ICH8_IGP_AMT		0x104A
 #define E1000_DEV_ID_ICH8_IGP_C			0x104B
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index 9c389559892..fbbc6ddfde8 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -3204,6 +3204,7 @@ void e1000e_disable_gig_wol_ich8lan(struct e1000_hw *hw)
 	u32 phy_ctrl;
 
 	switch (hw->mac.type) {
+	case e1000_ich8lan:
 	case e1000_ich9lan:
 	case e1000_ich10lan:
 	case e1000_pchlan:
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index ab4db5266f1..d57880ed945 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -5342,6 +5342,7 @@ static struct pci_device_id e1000_pci_tbl[] = {
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_C), board_ich8lan },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M), board_ich8lan },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M_AMT), board_ich8lan },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_82567V_3), board_ich8lan },
 
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE), board_ich9lan },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_G), board_ich9lan },
-- 
GitLab


From 5ff5b664351a94754031c1e5783f0cea6b3000ed Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Tue, 1 Dec 2009 15:51:11 +0000
Subject: [PATCH 1683/1815] e1000e: comment corrections

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/82571.c   |  2 +-
 drivers/net/e1000e/ich8lan.c |  5 ++---
 drivers/net/e1000e/lib.c     |  5 +----
 drivers/net/e1000e/phy.c     | 14 +++++++-------
 4 files changed, 11 insertions(+), 15 deletions(-)

diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
index 227f3d03ba2..f6f3a2289e0 100644
--- a/drivers/net/e1000e/82571.c
+++ b/drivers/net/e1000e/82571.c
@@ -1551,7 +1551,7 @@ bool e1000e_get_laa_state_82571(struct e1000_hw *hw)
  *  @hw: pointer to the HW structure
  *  @state: enable/disable locally administered address
  *
- *  Enable/Disable the current locally administers address state.
+ *  Enable/Disable the current locally administered address state.
  **/
 void e1000e_set_laa_state_82571(struct e1000_hw *hw, bool state)
 {
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index fbbc6ddfde8..1ce2bf97fa3 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -1747,7 +1747,7 @@ static s32 e1000_flash_cycle_init_ich8lan(struct e1000_hw *hw)
 	if (hsfsts.hsf_status.flcinprog == 0) {
 		/*
 		 * There is no cycle running at present,
-		 * so we can start a cycle
+		 * so we can start a cycle.
 		 * Begin by setting Flash Cycle Done.
 		 */
 		hsfsts.hsf_status.flcdone = 1;
@@ -1755,7 +1755,7 @@ static s32 e1000_flash_cycle_init_ich8lan(struct e1000_hw *hw)
 		ret_val = 0;
 	} else {
 		/*
-		 * otherwise poll for sometime so the current
+		 * Otherwise poll for sometime so the current
 		 * cycle has a chance to end before giving up.
 		 */
 		for (i = 0; i < ICH_FLASH_READ_COMMAND_TIMEOUT; i++) {
@@ -2645,7 +2645,6 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw)
 		ctrl |= E1000_CTRL_PHY_RST;
 	}
 	ret_val = e1000_acquire_swflag_ich8lan(hw);
-	/* Whether or not the swflag was acquired, we need to reset the part */
 	e_dbg("Issuing a global reset to ich8lan\n");
 	ew32(CTRL, (ctrl | E1000_CTRL_RST));
 	msleep(20);
diff --git a/drivers/net/e1000e/lib.c b/drivers/net/e1000e/lib.c
index e3976ea668d..a86c17548c1 100644
--- a/drivers/net/e1000e/lib.c
+++ b/drivers/net/e1000e/lib.c
@@ -1086,7 +1086,6 @@ s32 e1000e_config_fc_after_link_up(struct e1000_hw *hw)
 		 *   1   |    1    |   0   |    0    | e1000_fc_none
 		 *   1   |    1    |   0   |    1    | e1000_fc_rx_pause
 		 *
-		 *
 		 * Are both PAUSE bits set to 1?  If so, this implies
 		 * Symmetric Flow Control is enabled at both ends.  The
 		 * ASM_DIR bits are irrelevant per the spec.
@@ -1124,7 +1123,6 @@ s32 e1000e_config_fc_after_link_up(struct e1000_hw *hw)
 		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
 		 *-------|---------|-------|---------|--------------------
 		 *   0   |    1    |   1   |    1    | e1000_fc_tx_pause
-		 *
 		 */
 		else if (!(mii_nway_adv_reg & NWAY_AR_PAUSE) &&
 			  (mii_nway_adv_reg & NWAY_AR_ASM_DIR) &&
@@ -1140,7 +1138,6 @@ s32 e1000e_config_fc_after_link_up(struct e1000_hw *hw)
 		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
 		 *-------|---------|-------|---------|--------------------
 		 *   1   |    1    |   0   |    1    | e1000_fc_rx_pause
-		 *
 		 */
 		else if ((mii_nway_adv_reg & NWAY_AR_PAUSE) &&
 			 (mii_nway_adv_reg & NWAY_AR_ASM_DIR) &&
@@ -2363,7 +2360,7 @@ static s32 e1000_mng_write_cmd_header(struct e1000_hw *hw,
 }
 
 /**
- *  e1000_mng_host_if_write - Writes to the manageability host interface
+ *  e1000_mng_host_if_write - Write to the manageability host interface
  *  @hw: pointer to the HW structure
  *  @buffer: pointer to the host interface buffer
  *  @length: size of the buffer
diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c
index 140b23b320f..1bc09b240e6 100644
--- a/drivers/net/e1000e/phy.c
+++ b/drivers/net/e1000e/phy.c
@@ -153,10 +153,10 @@ s32 e1000e_get_phy_id(struct e1000_hw *hw)
 			goto out;
 
 		/*
-		 * If the PHY ID is still unknown, we may have an 82577i
-		 * without link.  We will try again after setting Slow
-		 * MDIC mode. No harm in trying again in this case since
-		 * the PHY ID is unknown at this point anyway
+		 * If the PHY ID is still unknown, we may have an 82577
+		 * without link.  We will try again after setting Slow MDIC
+		 * mode. No harm in trying again in this case since the PHY
+		 * ID is unknown at this point anyway.
 		 */
 		ret_val = phy->ops.acquire(hw);
 		if (ret_val)
@@ -1744,7 +1744,7 @@ out:
  *  The automatic gain control (agc) normalizes the amplitude of the
  *  received signal, adjusting for the attenuation produced by the
  *  cable.  By reading the AGC registers, which represent the
- *  combination of course and fine gain value, the value can be put
+ *  combination of coarse and fine gain value, the value can be put
  *  into a lookup table to obtain the approximate cable length
  *  for each channel.
  **/
@@ -1769,7 +1769,7 @@ s32 e1000e_get_cable_length_igp_2(struct e1000_hw *hw)
 
 		/*
 		 * Getting bits 15:9, which represent the combination of
-		 * course and fine gain values.  The result is a number
+		 * coarse and fine gain values.  The result is a number
 		 * that can be put into the lookup table to obtain the
 		 * approximate cable length.
 		 */
@@ -2511,7 +2511,7 @@ static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset,
 		ret_val = e1000e_read_phy_reg_mdic(hw, BM_WUC_DATA_OPCODE,
 		                                   data);
 	} else {
-	        /* Read the page 800 value using opcode 0x12 */
+	        /* Write the page 800 value using opcode 0x12 */
 		ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_DATA_OPCODE,
 						    *data);
 	}
-- 
GitLab


From 9b71b419a60d200f553658a97c9f49a46f58e8bb Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Tue, 1 Dec 2009 15:53:07 +0000
Subject: [PATCH 1684/1815] e1000e: add debug messages

Add some helpful debug messages.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/ich8lan.c |  4 +++-
 drivers/net/e1000e/phy.c     | 26 ++++++++++++++++++++------
 2 files changed, 23 insertions(+), 7 deletions(-)

diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index 1ce2bf97fa3..6efb77fbbd7 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -314,8 +314,10 @@ static s32 e1000_init_phy_params_ich8lan(struct e1000_hw *hw)
 		phy->ops.write_reg = e1000e_write_phy_reg_bm;
 		phy->ops.read_reg  = e1000e_read_phy_reg_bm;
 		ret_val = e1000e_determine_phy_address(hw);
-		if (ret_val)
+		if (ret_val) {
+			e_dbg("Cannot determine PHY addr. Erroring out\n");
 			return ret_val;
+		}
 	}
 
 	phy->id = 0;
diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c
index 1bc09b240e6..3e5940afe36 100644
--- a/drivers/net/e1000e/phy.c
+++ b/drivers/net/e1000e/phy.c
@@ -2472,7 +2472,7 @@ static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset,
 	/* Gig must be disabled for MDIO accesses to page 800 */
 	if ((hw->mac.type == e1000_pchlan) &&
 	   (!(er32(PHY_CTRL) & E1000_PHY_CTRL_GBE_DISABLE)))
-		e_dbg("Attempting to access page 800 while gig enabled\n");
+		e_dbg("Attempting to access page 800 while gig enabled.\n");
 
 	/* All operations in this function are phy address 1 */
 	hw->phy.addr = 1;
@@ -2482,20 +2482,26 @@ static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset,
 	                          (BM_WUC_ENABLE_PAGE << IGP_PAGE_SHIFT));
 
 	ret_val = e1000e_read_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, &phy_reg);
-	if (ret_val)
+	if (ret_val) {
+		e_dbg("Could not read PHY page 769\n");
 		goto out;
+	}
 
 	/* First clear bit 4 to avoid a power state change */
 	phy_reg &= ~(BM_WUC_HOST_WU_BIT);
 	ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, phy_reg);
-	if (ret_val)
+	if (ret_val) {
+		e_dbg("Could not clear PHY page 769 bit 4\n");
 		goto out;
+	}
 
 	/* Write bit 2 = 1, and clear bit 4 to 769_17 */
 	ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG,
 	                                    phy_reg | BM_WUC_ENABLE_BIT);
-	if (ret_val)
+	if (ret_val) {
+		e_dbg("Could not write PHY page 769 bit 2\n");
 		goto out;
+	}
 
 	/* Select page 800 */
 	ret_val = e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT,
@@ -2503,8 +2509,10 @@ static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset,
 
 	/* Write the page 800 offset value using opcode 0x11 */
 	ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_ADDRESS_OPCODE, reg);
-	if (ret_val)
+	if (ret_val) {
+		e_dbg("Could not write address opcode to page 800\n");
 		goto out;
+	}
 
 	if (read) {
 	        /* Read the page 800 value using opcode 0x12 */
@@ -2516,8 +2524,10 @@ static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset,
 						    *data);
 	}
 
-	if (ret_val)
+	if (ret_val) {
+		e_dbg("Could not access data value from page 800\n");
 		goto out;
+	}
 
 	/*
 	 * Restore 769_17.2 to its original value
@@ -2528,6 +2538,10 @@ static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset,
 
 	/* Clear 769_17.2 */
 	ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, phy_reg);
+	if (ret_val) {
+		e_dbg("Could not clear PHY page 769 bit 2\n");
+		goto out;
+	}
 
 out:
 	return ret_val;
-- 
GitLab


From 07f025e6bad7292af3904b8f49cd33e7b5fe3467 Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Tue, 1 Dec 2009 15:53:48 +0000
Subject: [PATCH 1685/1815] e1000e: PHY type cleanups in
 e1000e_check_downshift()

Remove the case for 82577 because it does not support the ability to check
for downshift.  Add case for e1000_phy_bm which can do this.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/phy.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c
index 3e5940afe36..0c69649af06 100644
--- a/drivers/net/e1000e/phy.c
+++ b/drivers/net/e1000e/phy.c
@@ -1525,8 +1525,8 @@ s32 e1000e_check_downshift(struct e1000_hw *hw)
 	switch (phy->type) {
 	case e1000_phy_m88:
 	case e1000_phy_gg82563:
+	case e1000_phy_bm:
 	case e1000_phy_82578:
-	case e1000_phy_82577:
 		offset	= M88E1000_PHY_SPEC_STATUS;
 		mask	= M88E1000_PSSR_DOWNSHIFT;
 		break;
-- 
GitLab


From 8528b016d64a7c1c97ba6540ab53a538348d5026 Mon Sep 17 00:00:00 2001
From: Roel Kluin <roel.kluin@gmail.com>
Date: Tue, 1 Dec 2009 15:54:24 +0000
Subject: [PATCH 1686/1815] e1000e: Use sizeof struct rather than pointer in
 e1000_get_eeprom()

Don't use the sizeof the pointer to clear the result

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/ethtool.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c
index b6243cad310..0aa50c229c7 100644
--- a/drivers/net/e1000e/ethtool.c
+++ b/drivers/net/e1000e/ethtool.c
@@ -535,7 +535,8 @@ static int e1000_get_eeprom(struct net_device *netdev,
 
 	if (ret_val) {
 		/* a read error occurred, throw away the result */
-		memset(eeprom_buff, 0xff, sizeof(eeprom_buff));
+		memset(eeprom_buff, 0xff, sizeof(u16) *
+		       (last_word - first_word + 1));
 	} else {
 		/* Device's eeprom is always little-endian, word addressable */
 		for (i = 0; i < last_word - first_word + 1; i++)
-- 
GitLab


From 7c7afb083675b3d4d012a2aacec3a958ba484ab0 Mon Sep 17 00:00:00 2001
From: Jie Yang <jie.yang@atheros.com>
Date: Tue, 1 Dec 2009 17:18:34 +0000
Subject: [PATCH 1687/1815] atl1e:disable NETIF_F_TSO6 for hardware limit

For hardware limit to support TSOV6, just disable this feature
Signed-off-by: Jie Yang <jie.yang@atheros.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/atl1e/atl1e_main.c | 36 ----------------------------------
 1 file changed, 36 deletions(-)

diff --git a/drivers/net/atl1e/atl1e_main.c b/drivers/net/atl1e/atl1e_main.c
index 955da733c2a..1b5facfcdc0 100644
--- a/drivers/net/atl1e/atl1e_main.c
+++ b/drivers/net/atl1e/atl1e_main.c
@@ -1666,41 +1666,6 @@ static int atl1e_tso_csum(struct atl1e_adapter *adapter,
 			}
 			return 0;
 		}
-
-		if (offload_type & SKB_GSO_TCPV6) {
-			real_len = (((unsigned char *)ipv6_hdr(skb) - skb->data)
-					+ ntohs(ipv6_hdr(skb)->payload_len));
-			if (real_len < skb->len)
-				pskb_trim(skb, real_len);
-
-			/* check payload == 0 byte ? */
-			hdr_len = (skb_transport_offset(skb) + tcp_hdrlen(skb));
-			if (unlikely(skb->len == hdr_len)) {
-				/* only xsum need */
-				dev_warn(&pdev->dev,
-					"IPV6 tso with zero data??\n");
-				goto check_sum;
-			} else {
-				tcp_hdr(skb)->check = ~csum_ipv6_magic(
-						&ipv6_hdr(skb)->saddr,
-						&ipv6_hdr(skb)->daddr,
-						0, IPPROTO_TCP, 0);
-				tpd->word3 |= 1 << TPD_IP_VERSION_SHIFT;
-				hdr_len >>= 1;
-				tpd->word3 |= (hdr_len & TPD_V6_IPHLLO_MASK) <<
-					TPD_V6_IPHLLO_SHIFT;
-				tpd->word3 |= ((hdr_len >> 3) &
-					TPD_V6_IPHLHI_MASK) <<
-					TPD_V6_IPHLHI_SHIFT;
-				tpd->word3 |= (tcp_hdrlen(skb) >> 2 &
-					TPD_TCPHDRLEN_MASK) <<
-					TPD_TCPHDRLEN_SHIFT;
-				tpd->word3 |= ((skb_shinfo(skb)->gso_size) &
-					TPD_MSS_MASK) << TPD_MSS_SHIFT;
-					tpd->word3 |= 1 << TPD_SEGMENT_EN_SHIFT;
-			}
-		}
-		return 0;
 	}
 
 check_sum:
@@ -2289,7 +2254,6 @@ static int atl1e_init_netdev(struct net_device *netdev, struct pci_dev *pdev)
 		NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
 	netdev->features |= NETIF_F_LLTX;
 	netdev->features |= NETIF_F_TSO;
-	netdev->features |= NETIF_F_TSO6;
 
 	return 0;
 }
-- 
GitLab


From 51c59870f324805ed30eaa2c0089b4cb5f9f7c71 Mon Sep 17 00:00:00 2001
From: Ajit Khaparde <ajitk@serverengines.com>
Date: Sun, 29 Nov 2009 17:54:54 +0000
Subject: [PATCH 1688/1815] be2net: set netdev->vlan_features appropriately

patch to initialize netdev->vlan_features appropriately.

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/benet/be_main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index 79593643949..2c84c92c411 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -1951,6 +1951,8 @@ static void be_netdev_init(struct net_device *netdev)
 		NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_FILTER | NETIF_F_HW_CSUM |
 		NETIF_F_GRO;
 
+	netdev->vlan_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_HW_CSUM;
+
 	netdev->flags |= IFF_MULTICAST;
 
 	adapter->rx_csum = true;
-- 
GitLab


From 35a652859ad76d8bd989025952ecb80d7c5304a4 Mon Sep 17 00:00:00 2001
From: Ajit Khaparde <ajitk@serverengines.com>
Date: Sun, 29 Nov 2009 17:55:39 +0000
Subject: [PATCH 1689/1815] be2net: initialize netdev->perm_addr

patch to initialize netdev->perm_addr

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/benet/be_main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index 2c84c92c411..e24f498f37c 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -2147,6 +2147,7 @@ static int be_get_config(struct be_adapter *adapter)
 	if (status)
 		return status;
 	memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN);
+	memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN);
 
 	return 0;
 }
-- 
GitLab


From ca9e4988ccbde3b11116679f1b023eb75df8017e Mon Sep 17 00:00:00 2001
From: Ajit Khaparde <ajitk@serverengines.com>
Date: Sun, 29 Nov 2009 17:56:26 +0000
Subject: [PATCH 1690/1815] be2net: check for valid ether address

Allow only valid ether addresses to be assigned and used for the interface.

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/benet/be_main.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index e24f498f37c..10262fab686 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -125,6 +125,9 @@ static int be_mac_addr_set(struct net_device *netdev, void *p)
 	struct sockaddr *addr = p;
 	int status = 0;
 
+	if (!is_valid_ether_addr(addr->sa_data))
+		return -EADDRNOTAVAIL;
+
 	status = be_cmd_pmac_del(adapter, adapter->if_handle, adapter->pmac_id);
 	if (status)
 		return status;
@@ -2146,6 +2149,10 @@ static int be_get_config(struct be_adapter *adapter)
 			MAC_ADDRESS_TYPE_NETWORK, true /*permanent */, 0);
 	if (status)
 		return status;
+
+	if (!is_valid_ether_addr(mac))
+		return -EADDRNOTAVAIL;
+
 	memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN);
 	memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN);
 
-- 
GitLab


From ca66ef500b874de4bf58e05f9d18ccdce64eabbc Mon Sep 17 00:00:00 2001
From: Ajit Khaparde <ajitk@serverengines.com>
Date: Sun, 29 Nov 2009 17:56:56 +0000
Subject: [PATCH 1691/1815] be2net: fix to allow port beacon when device is
 closed

port identification/beaconing is failing if device open has not been done.
Fixing it.

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/benet/be_ethtool.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/net/benet/be_ethtool.c b/drivers/net/benet/be_ethtool.c
index e8f92831021..9eabed4e3b9 100644
--- a/drivers/net/benet/be_ethtool.c
+++ b/drivers/net/benet/be_ethtool.c
@@ -380,9 +380,6 @@ be_phys_id(struct net_device *netdev, u32 data)
 	int status;
 	u32 cur;
 
-	if (!netif_running(netdev))
-		return 0;
-
 	be_cmd_get_beacon_state(adapter, adapter->port_num, &cur);
 
 	if (cur == BEACON_STATE_ENABLED)
-- 
GitLab


From b7b83ac39a177741a378d728d82e87de9b0a01a5 Mon Sep 17 00:00:00 2001
From: Ajit Khaparde <ajitk@serverengines.com>
Date: Sun, 29 Nov 2009 17:57:22 +0000
Subject: [PATCH 1692/1815] be2net: Add be_rx_polls counter

Add be_rx_polls to count number of times NAPI called rx poll function.

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/benet/be.h         | 2 +-
 drivers/net/benet/be_ethtool.c | 2 +-
 drivers/net/benet/be_main.c    | 1 +
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h
index dc7c19e4911..d90cc015abb 100644
--- a/drivers/net/benet/be.h
+++ b/drivers/net/benet/be.h
@@ -170,7 +170,7 @@ struct be_drvr_stats {
 	u32 cache_barrier[16];
 
 	u32 be_ethrx_post_fail;/* number of ethrx buffer alloc failures */
-	u32 be_polls;		/* number of times NAPI called poll function */
+	u32 be_rx_polls;	/* number of times NAPI called poll function */
 	u32 be_rx_events;	/* number of ucast rx completion events  */
 	u32 be_rx_compl;	/* number of rx completion entries processed */
 	ulong be_rx_jiffies;
diff --git a/drivers/net/benet/be_ethtool.c b/drivers/net/benet/be_ethtool.c
index 9eabed4e3b9..3c05f2b99ab 100644
--- a/drivers/net/benet/be_ethtool.c
+++ b/drivers/net/benet/be_ethtool.c
@@ -55,7 +55,7 @@ static const struct be_ethtool_stat et_stats[] = {
 	{DRVSTAT_INFO(be_tx_stops)},
 	{DRVSTAT_INFO(be_fwd_reqs)},
 	{DRVSTAT_INFO(be_tx_wrbs)},
-	{DRVSTAT_INFO(be_polls)},
+	{DRVSTAT_INFO(be_rx_polls)},
 	{DRVSTAT_INFO(be_tx_events)},
 	{DRVSTAT_INFO(be_rx_events)},
 	{DRVSTAT_INFO(be_tx_compl)},
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index 10262fab686..f3e97ab3321 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -1381,6 +1381,7 @@ int be_poll_rx(struct napi_struct *napi, int budget)
 	struct be_eth_rx_compl *rxcp;
 	u32 work_done;
 
+	adapter->stats.drvr_stats.be_rx_polls++;
 	for (work_done = 0; work_done < budget; work_done++) {
 		rxcp = be_rx_compl_get(adapter);
 		if (!rxcp)
-- 
GitLab


From 0dffc83e5b831df1df83dfe32a0c267347f9950b Mon Sep 17 00:00:00 2001
From: Ajit Khaparde <ajitk@serverengines.com>
Date: Sun, 29 Nov 2009 17:57:46 +0000
Subject: [PATCH 1693/1815] be2net: fix unnecessary access to hardware to get
 link, port info

Every time while doing ethtool->get_settings we are accessing
the hardware to get link status and port information.
This is not necessary.  We now use the cached copy for this info
and update it when the link status changes.

From: Suresh R <sureshr@serverengines.com>

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/benet/be.h         |  2 ++
 drivers/net/benet/be_ethtool.c | 54 +++++++++++++++++++++-------------
 drivers/net/benet/be_main.c    |  3 ++
 3 files changed, 38 insertions(+), 21 deletions(-)

diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h
index d90cc015abb..12247480a1f 100644
--- a/drivers/net/benet/be.h
+++ b/drivers/net/benet/be.h
@@ -272,6 +272,8 @@ struct be_adapter {
 	u32 cap;
 	u32 rx_fc;		/* Rx flow control */
 	u32 tx_fc;		/* Tx flow control */
+	int link_speed;
+	u8 port_type;
 };
 
 extern const struct ethtool_ops be_ethtool_ops;
diff --git a/drivers/net/benet/be_ethtool.c b/drivers/net/benet/be_ethtool.c
index 3c05f2b99ab..329560f9e54 100644
--- a/drivers/net/benet/be_ethtool.c
+++ b/drivers/net/benet/be_ethtool.c
@@ -297,36 +297,48 @@ static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 	u8 mac_speed = 0, connector = 0;
 	u16 link_speed = 0;
 	bool link_up = false;
+	int status;
 
-	be_cmd_link_status_query(adapter, &link_up, &mac_speed, &link_speed);
+	if (adapter->link_speed < 0) {
+		status = be_cmd_link_status_query(adapter, &link_up,
+						&mac_speed, &link_speed);
+
+		/* link_speed is in units of 10 Mbps */
+		if (link_speed) {
+			ecmd->speed = link_speed*10;
+		} else {
+			switch (mac_speed) {
+			case PHY_LINK_SPEED_1GBPS:
+				ecmd->speed = SPEED_1000;
+				break;
+			case PHY_LINK_SPEED_10GBPS:
+				ecmd->speed = SPEED_10000;
+				break;
+			}
+		}
 
-	/* link_speed is in units of 10 Mbps */
-	if (link_speed) {
-		ecmd->speed = link_speed*10;
-	} else {
-		switch (mac_speed) {
-		case PHY_LINK_SPEED_1GBPS:
-			ecmd->speed = SPEED_1000;
+		status = be_cmd_read_port_type(adapter, adapter->port_num,
+						&connector);
+		switch (connector) {
+		case 7:
+			ecmd->port = PORT_FIBRE;
 			break;
-		case PHY_LINK_SPEED_10GBPS:
-			ecmd->speed = SPEED_10000;
+		default:
+			ecmd->port = PORT_TP;
 			break;
 		}
+
+		/* Save for future use */
+		adapter->link_speed = ecmd->speed;
+		adapter->port_type = ecmd->port;
+	} else {
+		ecmd->speed = adapter->link_speed;
+		ecmd->port = adapter->port_type;
 	}
+
 	ecmd->duplex = DUPLEX_FULL;
 	ecmd->autoneg = AUTONEG_DISABLE;
 	ecmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_TP);
-
-	be_cmd_read_port_type(adapter, adapter->port_num, &connector);
-	switch (connector) {
-	case 7:
-		ecmd->port = PORT_FIBRE;
-		break;
-	default:
-		ecmd->port = PORT_TP;
-		break;
-	}
-
 	ecmd->phy_address = adapter->port_num;
 	ecmd->transceiver = XCVR_INTERNAL;
 
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index f3e97ab3321..e291b1b8753 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -220,6 +220,7 @@ void be_link_status_update(struct be_adapter *adapter, bool link_up)
 
 	/* If link came up or went down */
 	if (adapter->link_up != link_up) {
+		adapter->link_speed = -1;
 		if (link_up) {
 			netif_start_queue(netdev);
 			netif_carrier_on(netdev);
@@ -1674,6 +1675,8 @@ static int be_setup(struct be_adapter *adapter)
 	if (status != 0)
 		goto rx_qs_destroy;
 
+	adapter->link_speed = -1;
+
 	return 0;
 
 rx_qs_destroy:
-- 
GitLab


From d4d7f1f9116089a4ae5102dcda35e8120308a515 Mon Sep 17 00:00:00 2001
From: Geoff Levand <geoffrey.levand@am.sony.com>
Date: Tue, 1 Dec 2009 12:15:53 +0000
Subject: [PATCH 1694/1815] net/ps3: Cleanup gelic enums

Cleanup of the gelic driver enumerations:

 o Add some missing commas.
 o Add an Ether port post fix (PS3 currently only supports PORT_0).
 o Add a new enum gelic_lv1_phy to use when interacting with the PHY.

Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ps3_gelic_net.c | 26 +++++++++++++-------------
 drivers/net/ps3_gelic_net.h | 19 ++++++++++++-------
 2 files changed, 25 insertions(+), 20 deletions(-)

diff --git a/drivers/net/ps3_gelic_net.c b/drivers/net/ps3_gelic_net.c
index b211613e9db..06a29768a86 100644
--- a/drivers/net/ps3_gelic_net.c
+++ b/drivers/net/ps3_gelic_net.c
@@ -95,11 +95,11 @@ static void gelic_card_get_ether_port_status(struct gelic_card *card,
 
 	lv1_net_control(bus_id(card), dev_id(card),
 			GELIC_LV1_GET_ETH_PORT_STATUS,
-			GELIC_LV1_VLAN_TX_ETHERNET, 0, 0,
+			GELIC_LV1_VLAN_TX_ETHERNET_0, 0, 0,
 			&card->ether_port_status, &v2);
 
 	if (inform) {
-		ether_netdev = card->netdev[GELIC_PORT_ETHERNET];
+		ether_netdev = card->netdev[GELIC_PORT_ETHERNET_0];
 		if (card->ether_port_status & GELIC_LV1_ETHER_LINK_UP)
 			netif_carrier_on(ether_netdev);
 		else
@@ -451,14 +451,14 @@ static void gelic_descr_release_tx(struct gelic_card *card,
 
 static void gelic_card_stop_queues(struct gelic_card *card)
 {
-	netif_stop_queue(card->netdev[GELIC_PORT_ETHERNET]);
+	netif_stop_queue(card->netdev[GELIC_PORT_ETHERNET_0]);
 
 	if (card->netdev[GELIC_PORT_WIRELESS])
 		netif_stop_queue(card->netdev[GELIC_PORT_WIRELESS]);
 }
 static void gelic_card_wake_queues(struct gelic_card *card)
 {
-	netif_wake_queue(card->netdev[GELIC_PORT_ETHERNET]);
+	netif_wake_queue(card->netdev[GELIC_PORT_ETHERNET_0]);
 
 	if (card->netdev[GELIC_PORT_WIRELESS])
 		netif_wake_queue(card->netdev[GELIC_PORT_WIRELESS]);
@@ -999,7 +999,7 @@ static int gelic_card_decode_one_descr(struct gelic_card *card)
 			goto refill;
 		}
 	} else
-		netdev = card->netdev[GELIC_PORT_ETHERNET];
+		netdev = card->netdev[GELIC_PORT_ETHERNET_0];
 
 	if ((status == GELIC_DESCR_DMA_RESPONSE_ERROR) ||
 	    (status == GELIC_DESCR_DMA_PROTECTION_ERROR) ||
@@ -1369,7 +1369,7 @@ static void gelic_net_tx_timeout_task(struct work_struct *work)
 {
 	struct gelic_card *card =
 		container_of(work, struct gelic_card, tx_timeout_task);
-	struct net_device *netdev = card->netdev[GELIC_PORT_ETHERNET];
+	struct net_device *netdev = card->netdev[GELIC_PORT_ETHERNET_0];
 
 	dev_info(ctodev(card), "%s:Timed out. Restarting... \n", __func__);
 
@@ -1531,10 +1531,10 @@ static struct gelic_card * __devinit gelic_alloc_card_net(struct net_device **ne
 	/* gelic_port */
 	port->netdev = *netdev;
 	port->card = card;
-	port->type = GELIC_PORT_ETHERNET;
+	port->type = GELIC_PORT_ETHERNET_0;
 
 	/* gelic_card */
-	card->netdev[GELIC_PORT_ETHERNET] = *netdev;
+	card->netdev[GELIC_PORT_ETHERNET_0] = *netdev;
 
 	INIT_WORK(&card->tx_timeout_task, gelic_net_tx_timeout_task);
 	init_waitqueue_head(&card->waitq);
@@ -1554,9 +1554,9 @@ static void __devinit gelic_card_get_vlan_info(struct gelic_card *card)
 		int tx;
 		int rx;
 	} vlan_id_ix[2] = {
-		[GELIC_PORT_ETHERNET] = {
-			.tx = GELIC_LV1_VLAN_TX_ETHERNET,
-			.rx = GELIC_LV1_VLAN_RX_ETHERNET
+		[GELIC_PORT_ETHERNET_0] = {
+			.tx = GELIC_LV1_VLAN_TX_ETHERNET_0,
+			.rx = GELIC_LV1_VLAN_RX_ETHERNET_0
 		},
 		[GELIC_PORT_WIRELESS] = {
 			.tx = GELIC_LV1_VLAN_TX_WIRELESS,
@@ -1601,7 +1601,7 @@ static void __devinit gelic_card_get_vlan_info(struct gelic_card *card)
 			i, card->vlan[i].tx, card->vlan[i].rx);
 	}
 
-	if (card->vlan[GELIC_PORT_ETHERNET].tx) {
+	if (card->vlan[GELIC_PORT_ETHERNET_0].tx) {
 		BUG_ON(!card->vlan[GELIC_PORT_WIRELESS].tx);
 		card->vlan_required = 1;
 	} else
@@ -1790,7 +1790,7 @@ static int ps3_gelic_driver_remove(struct ps3_system_bus_device *dev)
 	gelic_card_free_chain(card, card->tx_top);
 	gelic_card_free_chain(card, card->rx_top);
 
-	netdev0 = card->netdev[GELIC_PORT_ETHERNET];
+	netdev0 = card->netdev[GELIC_PORT_ETHERNET_0];
 	/* disconnect event port */
 	free_irq(card->irq, card);
 	netdev0->irq = NO_IRQ;
diff --git a/drivers/net/ps3_gelic_net.h b/drivers/net/ps3_gelic_net.h
index 8b413868bbe..a09e4862706 100644
--- a/drivers/net/ps3_gelic_net.h
+++ b/drivers/net/ps3_gelic_net.h
@@ -186,7 +186,7 @@ enum gelic_lv1_net_control_code {
 	GELIC_LV1_GET_CHANNEL           = 6,
 	GELIC_LV1_POST_WLAN_CMD		= 9,
 	GELIC_LV1_GET_WLAN_CMD_RESULT	= 10,
-	GELIC_LV1_GET_WLAN_EVENT	= 11
+	GELIC_LV1_GET_WLAN_EVENT	= 11,
 };
 
 /* for GELIC_LV1_SET_WOL */
@@ -217,24 +217,29 @@ enum gelic_lv1_ether_port_status {
 	GELIC_LV1_ETHER_SPEED_10	= 0x0000000000000010L,
 	GELIC_LV1_ETHER_SPEED_100	= 0x0000000000000020L,
 	GELIC_LV1_ETHER_SPEED_1000	= 0x0000000000000040L,
-	GELIC_LV1_ETHER_SPEED_MASK	= 0x0000000000000070L
+	GELIC_LV1_ETHER_SPEED_MASK	= 0x0000000000000070L,
 };
 
 enum gelic_lv1_vlan_index {
 	/* for outgoing packets */
-	GELIC_LV1_VLAN_TX_ETHERNET	= 0x0000000000000002L,
+	GELIC_LV1_VLAN_TX_ETHERNET_0	= 0x0000000000000002L,
 	GELIC_LV1_VLAN_TX_WIRELESS	= 0x0000000000000003L,
+
 	/* for incoming packets */
-	GELIC_LV1_VLAN_RX_ETHERNET	= 0x0000000000000012L,
-	GELIC_LV1_VLAN_RX_WIRELESS	= 0x0000000000000013L
+	GELIC_LV1_VLAN_RX_ETHERNET_0	= 0x0000000000000012L,
+	GELIC_LV1_VLAN_RX_WIRELESS	= 0x0000000000000013L,
+};
+
+enum gelic_lv1_phy {
+	GELIC_LV1_PHY_ETHERNET_0	= 0x0000000000000002L,
 };
 
 /* size of hardware part of gelic descriptor */
 #define GELIC_DESCR_SIZE	(32)
 
 enum gelic_port_type {
-	GELIC_PORT_ETHERNET = 0,
-	GELIC_PORT_WIRELESS = 1,
+	GELIC_PORT_ETHERNET_0	= 0,
+	GELIC_PORT_WIRELESS	= 1,
 	GELIC_PORT_MAX
 };
 
-- 
GitLab


From 55873ed87fe6d34bd6f3a303c2d2ec6632c14525 Mon Sep 17 00:00:00 2001
From: Hideyuki Sasaki <Hideyuki_Sasaki@hq.scei.sony.co.jp>
Date: Tue, 1 Dec 2009 12:15:58 +0000
Subject: [PATCH 1695/1815] net/ps3: Add support for gelic link negotiation

Add ethtool_ops.set_settings support to the PS3 gelic network driver.
Allows manual setting of ethernet link speed.

Signed-off-by: Hideyuki Sasaki <xhide@rd.scei.sony.co.jp>
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ps3_gelic_net.c | 72 +++++++++++++++++++++++++++++++++++--
 drivers/net/ps3_gelic_net.h |  2 ++
 2 files changed, 72 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ps3_gelic_net.c b/drivers/net/ps3_gelic_net.c
index 06a29768a86..89c4948300a 100644
--- a/drivers/net/ps3_gelic_net.c
+++ b/drivers/net/ps3_gelic_net.c
@@ -107,6 +107,24 @@ static void gelic_card_get_ether_port_status(struct gelic_card *card,
 	}
 }
 
+static int gelic_card_set_link_mode(struct gelic_card *card, int mode)
+{
+	int status;
+	u64 v1, v2;
+
+	status = lv1_net_control(bus_id(card), dev_id(card),
+				 GELIC_LV1_SET_NEGOTIATION_MODE,
+				 GELIC_LV1_PHY_ETHERNET_0, mode, 0, &v1, &v2);
+	if (status) {
+		pr_info("%s: failed setting negotiation mode %d\n", __func__,
+			status);
+		return -EBUSY;
+	}
+
+	card->link_mode = mode;
+	return 0;
+}
+
 void gelic_card_up(struct gelic_card *card)
 {
 	pr_debug("%s: called\n", __func__);
@@ -1244,14 +1262,58 @@ static int gelic_ether_get_settings(struct net_device *netdev,
 	cmd->supported = SUPPORTED_TP | SUPPORTED_Autoneg |
 			SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full |
 			SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full |
-			SUPPORTED_1000baseT_Half | SUPPORTED_1000baseT_Full;
+			SUPPORTED_1000baseT_Full;
 	cmd->advertising = cmd->supported;
-	cmd->autoneg = AUTONEG_ENABLE; /* always enabled */
+	if (card->link_mode & GELIC_LV1_ETHER_AUTO_NEG) {
+		cmd->autoneg = AUTONEG_ENABLE;
+	} else {
+		cmd->autoneg = AUTONEG_DISABLE;
+		cmd->advertising &= ~ADVERTISED_Autoneg;
+	}
 	cmd->port = PORT_TP;
 
 	return 0;
 }
 
+static int gelic_ether_set_settings(struct net_device *netdev,
+				    struct ethtool_cmd *cmd)
+{
+	struct gelic_card *card = netdev_card(netdev);
+	u64 mode;
+	int ret;
+
+	if (cmd->autoneg == AUTONEG_ENABLE) {
+		mode = GELIC_LV1_ETHER_AUTO_NEG;
+	} else {
+		switch (cmd->speed) {
+		case SPEED_10:
+			mode = GELIC_LV1_ETHER_SPEED_10;
+			break;
+		case SPEED_100:
+			mode = GELIC_LV1_ETHER_SPEED_100;
+			break;
+		case SPEED_1000:
+			mode = GELIC_LV1_ETHER_SPEED_1000;
+			break;
+		default:
+			return -EINVAL;
+		}
+		if (cmd->duplex == DUPLEX_FULL)
+			mode |= GELIC_LV1_ETHER_FULL_DUPLEX;
+		else if (cmd->speed == SPEED_1000) {
+			pr_info("1000 half duplex is not supported.\n");
+			return -EINVAL;
+		}
+	}
+
+	ret = gelic_card_set_link_mode(card, mode);
+
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
 u32 gelic_net_get_rx_csum(struct net_device *netdev)
 {
 	struct gelic_card *card = netdev_card(netdev);
@@ -1349,6 +1411,7 @@ done:
 static const struct ethtool_ops gelic_ether_ethtool_ops = {
 	.get_drvinfo	= gelic_net_get_drvinfo,
 	.get_settings	= gelic_ether_get_settings,
+	.set_settings	= gelic_ether_set_settings,
 	.get_link	= ethtool_op_get_link,
 	.get_tx_csum	= ethtool_op_get_tx_csum,
 	.set_tx_csum	= ethtool_op_set_tx_csum,
@@ -1657,6 +1720,8 @@ static int __devinit ps3_gelic_driver_probe(struct ps3_system_bus_device *dev)
 	/* get internal vlan info */
 	gelic_card_get_vlan_info(card);
 
+	card->link_mode = GELIC_LV1_ETHER_AUTO_NEG;
+
 	/* setup interrupt */
 	result = lv1_net_set_interrupt_status_indicator(bus_id(card),
 							dev_id(card),
@@ -1773,6 +1838,9 @@ static int ps3_gelic_driver_remove(struct ps3_system_bus_device *dev)
 	struct net_device *netdev0;
 	pr_debug("%s: called\n", __func__);
 
+	/* set auto-negotiation */
+	gelic_card_set_link_mode(card, GELIC_LV1_ETHER_AUTO_NEG);
+
 #ifdef CONFIG_GELIC_WIRELESS
 	gelic_wl_driver_remove(card);
 #endif
diff --git a/drivers/net/ps3_gelic_net.h b/drivers/net/ps3_gelic_net.h
index a09e4862706..32521ae5e82 100644
--- a/drivers/net/ps3_gelic_net.h
+++ b/drivers/net/ps3_gelic_net.h
@@ -307,6 +307,8 @@ struct gelic_card {
 	atomic_t users;
 
 	u64 ether_port_status;
+	int link_mode;
+
 	/* original address returned by kzalloc */
 	void *unalign;
 
-- 
GitLab


From acb3cecdf89f9a9f30bf493f07dc5af333b45f8e Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 2 Dec 2009 01:13:11 -0800
Subject: [PATCH 1696/1815] ieee802154: merge cleanup

A small cleanup after last net-2.6 merge into net-next-2.6

As we are going to free skb, no need to set skb->skb_iif or skb->dev

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/ieee802154/fakehard.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/ieee802154/fakehard.c b/drivers/ieee802154/fakehard.c
index 5f67540e669..d9d0e13efe4 100644
--- a/drivers/ieee802154/fakehard.c
+++ b/drivers/ieee802154/fakehard.c
@@ -282,9 +282,6 @@ static int ieee802154_fake_close(struct net_device *dev)
 static netdev_tx_t ieee802154_fake_xmit(struct sk_buff *skb,
 					      struct net_device *dev)
 {
-	skb->skb_iif = dev->ifindex;
-	skb->dev = dev;
-
 	dev->stats.tx_packets++;
 	dev->stats.tx_bytes += skb->len;
 
-- 
GitLab


From 810c07194f6ef541625e65b53392e9f605611a1a Mon Sep 17 00:00:00 2001
From: Andrei Pelinescu-Onciul <andrei@iptel.org>
Date: Wed, 2 Dec 2009 01:16:49 -0800
Subject: [PATCH 1697/1815] sctp: fix sctp_setsockopt_autoclose compile warning

Fix the following warning, when building on 64 bits:

net/sctp/socket.c:2091: warning: large integer implicitly
                        truncated to unsigned type

Signed-off-by: Andrei Pelinescu-Onciul <andrei@iptel.org>
Acked-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/sctp/socket.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 5fa9ac52e13..89ab66e5474 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -2088,7 +2088,7 @@ static int sctp_setsockopt_autoclose(struct sock *sk, char __user *optval,
 		return -EFAULT;
 	/* make sure it won't exceed MAX_SCHEDULE_TIMEOUT */
 	if (sp->autoclose > (MAX_SCHEDULE_TIMEOUT / HZ) )
-		sp->autoclose = MAX_SCHEDULE_TIMEOUT / HZ ;
+		sp->autoclose = (__u32)(MAX_SCHEDULE_TIMEOUT / HZ) ;
 
 	return 0;
 }
-- 
GitLab


From d7256d0eb4c82b789125f610fea11c6e82b1bcff Mon Sep 17 00:00:00 2001
From: Jean-Mickael Guerin <jean-mickael.guerin@6wind.com>
Date: Tue, 1 Dec 2009 08:47:26 +0000
Subject: [PATCH 1698/1815] net: compat_mmsghdr must be used in sys_recvmmsg

Both to traverse the entries and to set the msg_len field.

Commiter note: folded two patches and avoided one branch repeating the
compat test.

Signed-off-by: Jean-Mickael Guerin <jean-mickael.guerin@6wind.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/socket.c | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/net/socket.c b/net/socket.c
index 402abb39cbf..b94c3dd7101 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -2144,6 +2144,7 @@ int __sys_recvmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
 	int fput_needed, err, datagrams;
 	struct socket *sock;
 	struct mmsghdr __user *entry;
+	struct compat_mmsghdr __user *compat_entry;
 	struct msghdr msg_sys;
 	struct timespec end_time;
 
@@ -2163,19 +2164,30 @@ int __sys_recvmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
 		goto out_put;
 
 	entry = mmsg;
+	compat_entry = (struct compat_mmsghdr __user *)mmsg;
 
 	while (datagrams < vlen) {
 		/*
 		 * No need to ask LSM for more than the first datagram.
 		 */
-		err = __sys_recvmsg(sock, (struct msghdr __user *)entry,
-				    &msg_sys, flags, datagrams);
-		if (err < 0)
-			break;
-		err = put_user(err, &entry->msg_len);
+		if (MSG_CMSG_COMPAT & flags) {
+			err = __sys_recvmsg(sock, (struct msghdr __user *)compat_entry,
+					    &msg_sys, flags, datagrams);
+			if (err < 0)
+				break;
+			err = __put_user(err, &compat_entry->msg_len);
+			++compat_entry;
+		} else {
+			err = __sys_recvmsg(sock, (struct msghdr __user *)entry,
+					    &msg_sys, flags, datagrams);
+			if (err < 0)
+				break;
+			err = put_user(err, &entry->msg_len);
+			++entry;
+		}
+
 		if (err)
 			break;
-		++entry;
 		++datagrams;
 
 		if (timeout) {
-- 
GitLab


From 5b23136bcf766a58160a319677b366c90f0cd223 Mon Sep 17 00:00:00 2001
From: Jean-Mickael Guerin <jean-mickael.guerin@6wind.com>
Date: Tue, 1 Dec 2009 07:52:16 +0000
Subject: [PATCH 1699/1815] net: compat_sys_recvmmsg user timespec arg can be
 NULL

We must test if user timespec is non-NULL before copying from userpace,
same as sys_recvmmsg().

Commiter note: changed it so that we have just one branch.

Signed-off-by: Jean-Mickael Guerin <jean-mickael.guerin@6wind.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/compat.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/net/compat.c b/net/compat.c
index 6a2f75fb3f4..e1a56ade803 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -758,9 +758,13 @@ asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg,
 {
 	int datagrams;
 	struct timespec ktspec;
-	struct compat_timespec __user *utspec =
-			(struct compat_timespec __user *)timeout;
+	struct compat_timespec __user *utspec;
 
+	if (timeout == NULL)
+		return __sys_recvmmsg(fd, (struct mmsghdr __user *)mmsg, vlen,
+				      flags | MSG_CMSG_COMPAT, NULL);
+
+	utspec = (struct compat_timespec __user *)timeout;
 	if (get_user(ktspec.tv_sec, &utspec->tv_sec) ||
 	    get_user(ktspec.tv_nsec, &utspec->tv_nsec))
 		return -EFAULT;
-- 
GitLab


From 614c12a1581687501f1b0fc721feff69b47abd92 Mon Sep 17 00:00:00 2001
From: Rudy Matela <rudy.matela@gmail.com>
Date: Wed, 2 Dec 2009 01:26:01 -0800
Subject: [PATCH 1700/1815] net: Coding style corrections on Sealevel Systems
 4021 driver.

Changed braces position on some statements.
Inserted a space between an "if" keyword and a parenthesis.

Signed-off-by: Rudy Matela <rudy.matela@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/wan/sealevel.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wan/sealevel.c b/drivers/net/wan/sealevel.c
index 3b3ee05bc46..61249f489e3 100644
--- a/drivers/net/wan/sealevel.c
+++ b/drivers/net/wan/sealevel.c
@@ -84,8 +84,7 @@ static int sealevel_open(struct net_device *d)
 	 *	Link layer up.
 	 */
 
-	switch (unit)
-	{
+	switch (unit) {
 		case 0:
 			err = z8530_sync_dma_open(d, slvl->chan);
 			break;
@@ -133,8 +132,7 @@ static int sealevel_close(struct net_device *d)
 	hdlc_close(d);
 	netif_stop_queue(d);
 
-	switch (unit)
-	{
+	switch (unit) {
 		case 0:
 			z8530_sync_dma_close(d, slvl->chan);
 			break;
@@ -342,8 +340,7 @@ static void __exit slvl_shutdown(struct slvl_board *b)
 
 	z8530_shutdown(&b->board);
 
-	for (u = 0; u < 2; u++)
-	{
+	for (u = 0; u < 2; u++) {
 		struct net_device *d = b->dev[u].chan->netdevice;
 		unregister_hdlc_device(d);
 		free_netdev(d);
@@ -391,7 +388,7 @@ static int __init slvl_init_module(void)
 
 static void __exit slvl_cleanup_module(void)
 {
-	if(slvl_unit)
+	if (slvl_unit)
 		slvl_shutdown(slvl_unit);
 }
 
-- 
GitLab


From 529fab67d78747ddc3a8a2bbd0d1aab1d059439f Mon Sep 17 00:00:00 2001
From: Breno Leitao <leitao@linux.vnet.ibm.com>
Date: Thu, 26 Nov 2009 07:31:49 +0000
Subject: [PATCH 1701/1815] bnx2: EEH is failing with timeout

bnx2 is failing when a PCI error is detected. The error is the
following:

bnx2: Chip not in correct endian mode
bnx2: fw sync timeout, reset code = 404001d

This error was caused because the way pci_restore_state() is working
after commit 4b77b0a2ba27d64f58f16d8d4d48d8319dda36ff ("PCI: Clear
saved_state after the state has been restored").

Signed-off-by: Breno Leitao<leitao@linux.vnet.ibm.com>
Acked-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 08cddb6ff74..7fa4048b58d 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -8264,6 +8264,7 @@ static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
 	}
 	pci_set_master(pdev);
 	pci_restore_state(pdev);
+	pci_save_state(pdev);
 
 	if (netif_running(dev)) {
 		bnx2_set_power_state(bp, PCI_D0);
-- 
GitLab


From 1f5865e73fb18834f52bd6e1d27bce86ff372089 Mon Sep 17 00:00:00 2001
From: Shan Wei <shanwei@cn.fujitsu.com>
Date: Wed, 2 Dec 2009 15:39:04 -0800
Subject: [PATCH 1702/1815] ip: update the description of rp_filter in
 ip-sysctl.txt

The commit 27fed4175acf81ddd91d9a4ee2fd298981f60295 (ip: fix logic of
reverse path filter sysctl) has changed the logic of rp_filter.  The
document about rp_filter is out of date. Now, setting
conf/all/rp_filte with 0 can also enable source validation.

Update the document according to the commit.

Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 Documentation/networking/ip-sysctl.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index fbe427a6580..5dcc06721bb 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -738,8 +738,8 @@ rp_filter - INTEGER
 	to prevent IP spoofing from DDos attacks. If using asymmetric routing
 	or other complicated routing, then loose mode is recommended.
 
-	conf/all/rp_filter must also be set to non-zero to do source validation
-	on the interface
+	The max value from conf/{all,interface}/rp_filter is used
+	when doing source validation on the {interface}.
 
 	Default value is 0. Note that some distributions enable it
 	in startup scripts.
-- 
GitLab


From 03b1320dfceeb093890cdd7433e910dca6225ddb Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Wed, 2 Dec 2009 16:45:31 +0000
Subject: [PATCH 1703/1815] e1000e: remove use of skb_dma_map from e1000e
 driver

In testing we have found that skb_dma_map/unmap is incompatible with HW
IOMMU due to the fact that multiple mappings will return different results.
In order to correct this we need to remove skb_dma_map/unmap calls from the
e1000e driver.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/e1000.h  |  9 ++++--
 drivers/net/e1000e/netdev.c | 59 ++++++++++++++++++++++++++-----------
 2 files changed, 47 insertions(+), 21 deletions(-)

diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h
index c4e861fb386..b9f9e7836fa 100644
--- a/drivers/net/e1000e/e1000.h
+++ b/drivers/net/e1000e/e1000.h
@@ -194,12 +194,15 @@ struct e1000_buffer {
 			unsigned long time_stamp;
 			u16 length;
 			u16 next_to_watch;
+			u16 mapped_as_page;
 		};
 		/* Rx */
-		/* arrays of page information for packet split */
-		struct e1000_ps_page *ps_pages;
+		struct {
+			/* arrays of page information for packet split */
+			struct e1000_ps_page *ps_pages;
+			struct page *page;
+		};
 	};
-	struct page *page;
 };
 
 struct e1000_ring {
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index d57880ed945..941c5f9d0dd 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -534,10 +534,17 @@ next_desc:
 static void e1000_put_txbuf(struct e1000_adapter *adapter,
 			     struct e1000_buffer *buffer_info)
 {
-	buffer_info->dma = 0;
+	if (buffer_info->dma) {
+		if (buffer_info->mapped_as_page)
+			pci_unmap_page(adapter->pdev, buffer_info->dma,
+				       buffer_info->length, PCI_DMA_TODEVICE);
+		else
+			pci_unmap_single(adapter->pdev,	buffer_info->dma,
+					 buffer_info->length,
+					 PCI_DMA_TODEVICE);
+		buffer_info->dma = 0;
+	}
 	if (buffer_info->skb) {
-		skb_dma_unmap(&adapter->pdev->dev, buffer_info->skb,
-		              DMA_TO_DEVICE);
 		dev_kfree_skb_any(buffer_info->skb);
 		buffer_info->skb = NULL;
 	}
@@ -3884,23 +3891,14 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
 			unsigned int mss)
 {
 	struct e1000_ring *tx_ring = adapter->tx_ring;
+	struct pci_dev *pdev = adapter->pdev;
 	struct e1000_buffer *buffer_info;
 	unsigned int len = skb_headlen(skb);
-	unsigned int offset, size, count = 0, i;
+	unsigned int offset = 0, size, count = 0, i;
 	unsigned int f;
-	dma_addr_t *map;
 
 	i = tx_ring->next_to_use;
 
-	if (skb_dma_map(&adapter->pdev->dev, skb, DMA_TO_DEVICE)) {
-		dev_err(&adapter->pdev->dev, "TX DMA map failed\n");
-		adapter->tx_dma_failed++;
-		return 0;
-	}
-
-	map = skb_shinfo(skb)->dma_maps;
-	offset = 0;
-
 	while (len) {
 		buffer_info = &tx_ring->buffer_info[i];
 		size = min(len, max_per_txd);
@@ -3908,11 +3906,15 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
 		buffer_info->length = size;
 		buffer_info->time_stamp = jiffies;
 		buffer_info->next_to_watch = i;
-		buffer_info->dma = skb_shinfo(skb)->dma_head + offset;
-		count++;
+		buffer_info->dma = pci_map_single(pdev,	skb->data + offset,
+						  size,	PCI_DMA_TODEVICE);
+		buffer_info->mapped_as_page = false;
+		if (pci_dma_mapping_error(pdev, buffer_info->dma))
+			goto dma_error;
 
 		len -= size;
 		offset += size;
+		count++;
 
 		if (len) {
 			i++;
@@ -3926,7 +3928,7 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
 
 		frag = &skb_shinfo(skb)->frags[f];
 		len = frag->size;
-		offset = 0;
+		offset = frag->page_offset;
 
 		while (len) {
 			i++;
@@ -3939,7 +3941,12 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
 			buffer_info->length = size;
 			buffer_info->time_stamp = jiffies;
 			buffer_info->next_to_watch = i;
-			buffer_info->dma = map[f] + offset;
+			buffer_info->dma = pci_map_page(pdev, frag->page,
+							offset, size,
+							PCI_DMA_TODEVICE);
+			buffer_info->mapped_as_page = true;
+			if (pci_dma_mapping_error(pdev, buffer_info->dma))
+				goto dma_error;
 
 			len -= size;
 			offset += size;
@@ -3951,6 +3958,22 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
 	tx_ring->buffer_info[first].next_to_watch = i;
 
 	return count;
+
+dma_error:
+	dev_err(&pdev->dev, "TX DMA map failed\n");
+	buffer_info->dma = 0;
+	count--;
+
+	while (count >= 0) {
+		count--;
+		i--;
+		if (i < 0)
+			i += tx_ring->count;
+		buffer_info = &tx_ring->buffer_info[i];
+		e1000_put_txbuf(adapter, buffer_info);;
+	}
+
+	return 0;
 }
 
 static void e1000_tx_queue(struct e1000_adapter *adapter,
-- 
GitLab


From 602c0554d7b00c9703e1a0bc584e9c583f577642 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Wed, 2 Dec 2009 16:46:00 +0000
Subject: [PATCH 1704/1815] e1000: remove use of skb_dma_map from e1000 driver

Remove the use of skb_dma_map from the e1000 driver in order to avoid
issues when HW iommu are in use.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000/e1000.h      |  1 +
 drivers/net/e1000/e1000_main.c | 56 ++++++++++++++++++++++++----------
 2 files changed, 41 insertions(+), 16 deletions(-)

diff --git a/drivers/net/e1000/e1000.h b/drivers/net/e1000/e1000.h
index a5665287bd6..2a567df3ea7 100644
--- a/drivers/net/e1000/e1000.h
+++ b/drivers/net/e1000/e1000.h
@@ -167,6 +167,7 @@ struct e1000_buffer {
 	unsigned long time_stamp;
 	u16 length;
 	u16 next_to_watch;
+	u16 mapped_as_page;
 };
 
 struct e1000_tx_ring {
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index c938114a34a..b9d86f8b3fd 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -1839,10 +1839,17 @@ void e1000_free_all_tx_resources(struct e1000_adapter *adapter)
 static void e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter,
 					     struct e1000_buffer *buffer_info)
 {
-	buffer_info->dma = 0;
+	if (buffer_info->dma) {
+		if (buffer_info->mapped_as_page)
+			pci_unmap_page(adapter->pdev, buffer_info->dma,
+				       buffer_info->length, PCI_DMA_TODEVICE);
+		else
+			pci_unmap_single(adapter->pdev,	buffer_info->dma,
+					 buffer_info->length,
+					 PCI_DMA_TODEVICE);
+		buffer_info->dma = 0;
+	}
 	if (buffer_info->skb) {
-		skb_dma_unmap(&adapter->pdev->dev, buffer_info->skb,
-		              DMA_TO_DEVICE);
 		dev_kfree_skb_any(buffer_info->skb);
 		buffer_info->skb = NULL;
 	}
@@ -2683,22 +2690,14 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
 			unsigned int mss)
 {
 	struct e1000_hw *hw = &adapter->hw;
+	struct pci_dev *pdev = adapter->pdev;
 	struct e1000_buffer *buffer_info;
 	unsigned int len = skb_headlen(skb);
-	unsigned int offset, size, count = 0, i;
+	unsigned int offset = 0, size, count = 0, i;
 	unsigned int f;
-	dma_addr_t *map;
 
 	i = tx_ring->next_to_use;
 
-	if (skb_dma_map(&adapter->pdev->dev, skb, DMA_TO_DEVICE)) {
-		dev_err(&adapter->pdev->dev, "TX DMA map failed\n");
-		return 0;
-	}
-
-	map = skb_shinfo(skb)->dma_maps;
-	offset = 0;
-
 	while (len) {
 		buffer_info = &tx_ring->buffer_info[i];
 		size = min(len, max_per_txd);
@@ -2735,7 +2734,11 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
 		buffer_info->length = size;
 		/* set time_stamp *before* dma to help avoid a possible race */
 		buffer_info->time_stamp = jiffies;
-		buffer_info->dma = skb_shinfo(skb)->dma_head + offset;
+		buffer_info->mapped_as_page = false;
+		buffer_info->dma = pci_map_single(pdev,	skb->data + offset,
+						  size,	PCI_DMA_TODEVICE);
+		if (pci_dma_mapping_error(pdev, buffer_info->dma))
+			goto dma_error;
 		buffer_info->next_to_watch = i;
 
 		len -= size;
@@ -2753,7 +2756,7 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
 
 		frag = &skb_shinfo(skb)->frags[f];
 		len = frag->size;
-		offset = 0;
+		offset = frag->page_offset;
 
 		while (len) {
 			i++;
@@ -2777,7 +2780,12 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
 
 			buffer_info->length = size;
 			buffer_info->time_stamp = jiffies;
-			buffer_info->dma = map[f] + offset;
+			buffer_info->mapped_as_page = true;
+			buffer_info->dma = pci_map_page(pdev, frag->page,
+							offset,	size,
+							PCI_DMA_TODEVICE);
+			if (pci_dma_mapping_error(pdev, buffer_info->dma))
+				goto dma_error;
 			buffer_info->next_to_watch = i;
 
 			len -= size;
@@ -2790,6 +2798,22 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
 	tx_ring->buffer_info[first].next_to_watch = i;
 
 	return count;
+
+dma_error:
+	dev_err(&pdev->dev, "TX DMA map failed\n");
+	buffer_info->dma = 0;
+	count--;
+
+	while (count >= 0) {
+		count--;
+		i--;
+		if (i < 0)
+			i += tx_ring->count;
+		buffer_info = &tx_ring->buffer_info[i];
+		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
+	}
+
+	return 0;
 }
 
 static void e1000_tx_queue(struct e1000_adapter *adapter,
-- 
GitLab


From adeaa9086399780688679f2a7de4243bdbf77295 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Wed, 2 Dec 2009 16:46:31 +0000
Subject: [PATCH 1705/1815] ixgb: remove use of skb_dma_map from ixgb

skb_dma_map is incompatible with HW iommu due to the fact that multiple
mappings can result in different results each time.  For this reason it is
best to just remove use of these function calls.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ixgb/ixgb.h      |  1 +
 drivers/net/ixgb/ixgb_main.c | 60 ++++++++++++++++++++++++------------
 2 files changed, 42 insertions(+), 19 deletions(-)

diff --git a/drivers/net/ixgb/ixgb.h b/drivers/net/ixgb/ixgb.h
index e95d9b6f1f2..5257ae08b9f 100644
--- a/drivers/net/ixgb/ixgb.h
+++ b/drivers/net/ixgb/ixgb.h
@@ -117,6 +117,7 @@ struct ixgb_buffer {
 	unsigned long time_stamp;
 	u16 length;
 	u16 next_to_watch;
+	u16 mapped_as_page;
 };
 
 struct ixgb_desc_ring {
diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c
index 73646062e8d..bcd0f01d5fe 100644
--- a/drivers/net/ixgb/ixgb_main.c
+++ b/drivers/net/ixgb/ixgb_main.c
@@ -892,10 +892,18 @@ static void
 ixgb_unmap_and_free_tx_resource(struct ixgb_adapter *adapter,
                                 struct ixgb_buffer *buffer_info)
 {
-	buffer_info->dma = 0;
+	if (buffer_info->dma) {
+		if (buffer_info->mapped_as_page)
+			pci_unmap_page(adapter->pdev, buffer_info->dma,
+				       buffer_info->length, PCI_DMA_TODEVICE);
+		else
+			pci_unmap_single(adapter->pdev, buffer_info->dma,
+					 buffer_info->length,
+					 PCI_DMA_TODEVICE);
+		buffer_info->dma = 0;
+	}
+
 	if (buffer_info->skb) {
-		skb_dma_unmap(&adapter->pdev->dev, buffer_info->skb,
-		              DMA_TO_DEVICE);
 		dev_kfree_skb_any(buffer_info->skb);
 		buffer_info->skb = NULL;
 	}
@@ -1272,24 +1280,16 @@ ixgb_tx_map(struct ixgb_adapter *adapter, struct sk_buff *skb,
 	    unsigned int first)
 {
 	struct ixgb_desc_ring *tx_ring = &adapter->tx_ring;
+	struct pci_dev *pdev = adapter->pdev;
 	struct ixgb_buffer *buffer_info;
 	int len = skb_headlen(skb);
 	unsigned int offset = 0, size, count = 0, i;
 	unsigned int mss = skb_shinfo(skb)->gso_size;
-
 	unsigned int nr_frags = skb_shinfo(skb)->nr_frags;
 	unsigned int f;
-	dma_addr_t *map;
 
 	i = tx_ring->next_to_use;
 
-	if (skb_dma_map(&adapter->pdev->dev, skb, DMA_TO_DEVICE)) {
-		dev_err(&adapter->pdev->dev, "TX DMA map failed\n");
-		return 0;
-	}
-
-	map = skb_shinfo(skb)->dma_maps;
-
 	while (len) {
 		buffer_info = &tx_ring->buffer_info[i];
 		size = min(len, IXGB_MAX_DATA_PER_TXD);
@@ -1301,11 +1301,11 @@ ixgb_tx_map(struct ixgb_adapter *adapter, struct sk_buff *skb,
 		buffer_info->length = size;
 		WARN_ON(buffer_info->dma != 0);
 		buffer_info->time_stamp = jiffies;
-		buffer_info->dma = skb_shinfo(skb)->dma_head + offset;
-			pci_map_single(adapter->pdev,
-				skb->data + offset,
-				size,
-				PCI_DMA_TODEVICE);
+		buffer_info->mapped_as_page = false;
+		buffer_info->dma = pci_map_single(pdev, skb->data + offset,
+						  size, PCI_DMA_TODEVICE);
+		if (pci_dma_mapping_error(pdev, buffer_info->dma))
+			goto dma_error;
 		buffer_info->next_to_watch = 0;
 
 		len -= size;
@@ -1323,7 +1323,7 @@ ixgb_tx_map(struct ixgb_adapter *adapter, struct sk_buff *skb,
 
 		frag = &skb_shinfo(skb)->frags[f];
 		len = frag->size;
-		offset = 0;
+		offset = frag->page_offset;
 
 		while (len) {
 			i++;
@@ -1341,7 +1341,13 @@ ixgb_tx_map(struct ixgb_adapter *adapter, struct sk_buff *skb,
 
 			buffer_info->length = size;
 			buffer_info->time_stamp = jiffies;
-			buffer_info->dma = map[f] + offset;
+			buffer_info->mapped_as_page = true;
+			buffer_info->dma =
+				pci_map_page(pdev, frag->page,
+					     offset, size,
+					     PCI_DMA_TODEVICE);
+			if (pci_dma_mapping_error(pdev, buffer_info->dma))
+				goto dma_error;
 			buffer_info->next_to_watch = 0;
 
 			len -= size;
@@ -1353,6 +1359,22 @@ ixgb_tx_map(struct ixgb_adapter *adapter, struct sk_buff *skb,
 	tx_ring->buffer_info[first].next_to_watch = i;
 
 	return count;
+
+dma_error:
+	dev_err(&pdev->dev, "TX DMA map failed\n");
+	buffer_info->dma = 0;
+	count--;
+
+	while (count >= 0) {
+		count--;
+		i--;
+		if (i < 0)
+			i += tx_ring->count;
+		buffer_info = &tx_ring->buffer_info[i];
+		ixgb_unmap_and_free_tx_resource(adapter, buffer_info);
+	}
+
+	return 0;
 }
 
 static void
-- 
GitLab


From e5a43549f7a58509a91b299a51337d386697b92c Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Wed, 2 Dec 2009 16:46:56 +0000
Subject: [PATCH 1706/1815] ixgbe: remove skb_dma_map/unmap calls from driver

This patch removes skb_dma_map/unmap calls from the ixgbe driver due to the
fact that the calls don't work with HW IOMMU enabled systems.  The problem
is that multiple mappings will give different results when HW IOMMU is
enabled and the skb_dma_map/unmap calls only have one location to store
mappings.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ixgbe/ixgbe.h      |  1 +
 drivers/net/ixgbe/ixgbe_main.c | 63 ++++++++++++++++++++++++++--------
 2 files changed, 50 insertions(+), 14 deletions(-)

diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h
index 76b052fa364..7e35e97227b 100644
--- a/drivers/net/ixgbe/ixgbe.h
+++ b/drivers/net/ixgbe/ixgbe.h
@@ -106,6 +106,7 @@ struct ixgbe_tx_buffer {
 	unsigned long time_stamp;
 	u16 length;
 	u16 next_to_watch;
+	u16 mapped_as_page;
 };
 
 struct ixgbe_rx_buffer {
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 5c56f2a741f..9ba506f6ef2 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -218,10 +218,20 @@ static void ixgbe_unmap_and_free_tx_resource(struct ixgbe_adapter *adapter,
                                              struct ixgbe_tx_buffer
                                              *tx_buffer_info)
 {
-	tx_buffer_info->dma = 0;
+	if (tx_buffer_info->dma) {
+		if (tx_buffer_info->mapped_as_page)
+			pci_unmap_page(adapter->pdev,
+				       tx_buffer_info->dma,
+				       tx_buffer_info->length,
+				       PCI_DMA_TODEVICE);
+		else
+			pci_unmap_single(adapter->pdev,
+					 tx_buffer_info->dma,
+					 tx_buffer_info->length,
+					 PCI_DMA_TODEVICE);
+		tx_buffer_info->dma = 0;
+	}
 	if (tx_buffer_info->skb) {
-		skb_dma_unmap(&adapter->pdev->dev, tx_buffer_info->skb,
-		              DMA_TO_DEVICE);
 		dev_kfree_skb_any(tx_buffer_info->skb);
 		tx_buffer_info->skb = NULL;
 	}
@@ -5024,23 +5034,16 @@ static int ixgbe_tx_map(struct ixgbe_adapter *adapter,
                         struct sk_buff *skb, u32 tx_flags,
                         unsigned int first)
 {
+	struct pci_dev *pdev = adapter->pdev;
 	struct ixgbe_tx_buffer *tx_buffer_info;
 	unsigned int len;
 	unsigned int total = skb->len;
 	unsigned int offset = 0, size, count = 0, i;
 	unsigned int nr_frags = skb_shinfo(skb)->nr_frags;
 	unsigned int f;
-	dma_addr_t *map;
 
 	i = tx_ring->next_to_use;
 
-	if (skb_dma_map(&adapter->pdev->dev, skb, DMA_TO_DEVICE)) {
-		dev_err(&adapter->pdev->dev, "TX DMA map failed\n");
-		return 0;
-	}
-
-	map = skb_shinfo(skb)->dma_maps;
-
 	if (tx_flags & IXGBE_TX_FLAGS_FCOE)
 		/* excluding fcoe_crc_eof for FCoE */
 		total -= sizeof(struct fcoe_crc_eof);
@@ -5051,7 +5054,12 @@ static int ixgbe_tx_map(struct ixgbe_adapter *adapter,
 		size = min(len, (uint)IXGBE_MAX_DATA_PER_TXD);
 
 		tx_buffer_info->length = size;
-		tx_buffer_info->dma = skb_shinfo(skb)->dma_head + offset;
+		tx_buffer_info->mapped_as_page = false;
+		tx_buffer_info->dma = pci_map_single(pdev,
+						     skb->data + offset,
+						     size, PCI_DMA_TODEVICE);
+		if (pci_dma_mapping_error(pdev, tx_buffer_info->dma))
+			goto dma_error;
 		tx_buffer_info->time_stamp = jiffies;
 		tx_buffer_info->next_to_watch = i;
 
@@ -5072,7 +5080,7 @@ static int ixgbe_tx_map(struct ixgbe_adapter *adapter,
 
 		frag = &skb_shinfo(skb)->frags[f];
 		len = min((unsigned int)frag->size, total);
-		offset = 0;
+		offset = frag->page_offset;
 
 		while (len) {
 			i++;
@@ -5083,7 +5091,13 @@ static int ixgbe_tx_map(struct ixgbe_adapter *adapter,
 			size = min(len, (uint)IXGBE_MAX_DATA_PER_TXD);
 
 			tx_buffer_info->length = size;
-			tx_buffer_info->dma = map[f] + offset;
+			tx_buffer_info->dma = pci_map_page(adapter->pdev,
+							   frag->page,
+							   offset, size,
+							   PCI_DMA_TODEVICE);
+			tx_buffer_info->mapped_as_page = true;
+			if (pci_dma_mapping_error(pdev, tx_buffer_info->dma))
+				goto dma_error;
 			tx_buffer_info->time_stamp = jiffies;
 			tx_buffer_info->next_to_watch = i;
 
@@ -5099,6 +5113,27 @@ static int ixgbe_tx_map(struct ixgbe_adapter *adapter,
 	tx_ring->tx_buffer_info[i].skb = skb;
 	tx_ring->tx_buffer_info[first].next_to_watch = i;
 
+	return count;
+
+dma_error:
+	dev_err(&pdev->dev, "TX DMA map failed\n");
+
+	/* clear timestamp and dma mappings for failed tx_buffer_info map */
+	tx_buffer_info->dma = 0;
+	tx_buffer_info->time_stamp = 0;
+	tx_buffer_info->next_to_watch = 0;
+	count--;
+
+	/* clear timestamp and dma mappings for remaining portion of packet */
+	while (count >= 0) {
+		count--;
+		i--;
+		if (i < 0)
+			i += tx_ring->count;
+		tx_buffer_info = &tx_ring->tx_buffer_info[i];
+		ixgbe_unmap_and_free_tx_resource(adapter, tx_buffer_info);
+	}
+
 	return count;
 }
 
-- 
GitLab


From 6366ad331f436388129dfc044db871de79604e4d Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Wed, 2 Dec 2009 16:47:18 +0000
Subject: [PATCH 1707/1815] igb: remove use of skb_dma_map from driver

This change removes skb_dma_map/unmap calls from the igb driver due to the
fact that the call is incompatible with iommu enabled kernels.  In order to
prevent warnings about using the wrong unmap call I have added a
mapped_as_page value to the buffer_info structure to track if the mapped
region is a page or a buffer.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb.h      |  5 +--
 drivers/net/igb/igb_main.c | 69 +++++++++++++++++++++++++++++---------
 2 files changed, 56 insertions(+), 18 deletions(-)

diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index c458d9b188b..b1c1eb88893 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -137,12 +137,13 @@ struct igb_buffer {
 			unsigned long time_stamp;
 			u16 length;
 			u16 next_to_watch;
+			u16 mapped_as_page;
 		};
 		/* RX */
 		struct {
 			struct page *page;
-			u64 page_dma;
-			unsigned int page_offset;
+			dma_addr_t page_dma;
+			u16 page_offset;
 		};
 	};
 };
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index bb1a6eeade0..e57b32d3fde 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -2654,16 +2654,27 @@ static void igb_free_all_tx_resources(struct igb_adapter *adapter)
 void igb_unmap_and_free_tx_resource(struct igb_ring *tx_ring,
 				    struct igb_buffer *buffer_info)
 {
-	buffer_info->dma = 0;
+	if (buffer_info->dma) {
+		if (buffer_info->mapped_as_page)
+			pci_unmap_page(tx_ring->pdev,
+					buffer_info->dma,
+					buffer_info->length,
+					PCI_DMA_TODEVICE);
+		else
+			pci_unmap_single(tx_ring->pdev,
+					buffer_info->dma,
+					buffer_info->length,
+					PCI_DMA_TODEVICE);
+		buffer_info->dma = 0;
+	}
 	if (buffer_info->skb) {
-		skb_dma_unmap(&tx_ring->pdev->dev,
-		              buffer_info->skb,
-		              DMA_TO_DEVICE);
 		dev_kfree_skb_any(buffer_info->skb);
 		buffer_info->skb = NULL;
 	}
 	buffer_info->time_stamp = 0;
-	/* buffer_info must be completely set up in the transmit path */
+	buffer_info->length = 0;
+	buffer_info->next_to_watch = 0;
+	buffer_info->mapped_as_page = false;
 }
 
 /**
@@ -3561,24 +3572,19 @@ static inline int igb_tx_map_adv(struct igb_ring *tx_ring, struct sk_buff *skb,
 	unsigned int len = skb_headlen(skb);
 	unsigned int count = 0, i;
 	unsigned int f;
-	dma_addr_t *map;
 
 	i = tx_ring->next_to_use;
 
-	if (skb_dma_map(&pdev->dev, skb, DMA_TO_DEVICE)) {
-		dev_err(&pdev->dev, "TX DMA map failed\n");
-		return 0;
-	}
-
-	map = skb_shinfo(skb)->dma_maps;
-
 	buffer_info = &tx_ring->buffer_info[i];
 	BUG_ON(len >= IGB_MAX_DATA_PER_TXD);
 	buffer_info->length = len;
 	/* set time_stamp *before* dma to help avoid a possible race */
 	buffer_info->time_stamp = jiffies;
 	buffer_info->next_to_watch = i;
-	buffer_info->dma = skb_shinfo(skb)->dma_head;
+	buffer_info->dma = pci_map_single(pdev, skb->data, len,
+					  PCI_DMA_TODEVICE);
+	if (pci_dma_mapping_error(pdev, buffer_info->dma))
+		goto dma_error;
 
 	for (f = 0; f < skb_shinfo(skb)->nr_frags; f++) {
 		struct skb_frag_struct *frag;
@@ -3595,7 +3601,15 @@ static inline int igb_tx_map_adv(struct igb_ring *tx_ring, struct sk_buff *skb,
 		buffer_info->length = len;
 		buffer_info->time_stamp = jiffies;
 		buffer_info->next_to_watch = i;
-		buffer_info->dma = map[count];
+		buffer_info->mapped_as_page = true;
+		buffer_info->dma = pci_map_page(pdev,
+						frag->page,
+						frag->page_offset,
+						len,
+						PCI_DMA_TODEVICE);
+		if (pci_dma_mapping_error(pdev, buffer_info->dma))
+			goto dma_error;
+
 		count++;
 	}
 
@@ -3603,6 +3617,29 @@ static inline int igb_tx_map_adv(struct igb_ring *tx_ring, struct sk_buff *skb,
 	tx_ring->buffer_info[first].next_to_watch = i;
 
 	return ++count;
+
+dma_error:
+	dev_err(&pdev->dev, "TX DMA map failed\n");
+
+	/* clear timestamp and dma mappings for failed buffer_info mapping */
+	buffer_info->dma = 0;
+	buffer_info->time_stamp = 0;
+	buffer_info->length = 0;
+	buffer_info->next_to_watch = 0;
+	buffer_info->mapped_as_page = false;
+	count--;
+
+	/* clear timestamp and dma mappings for remaining portion of packet */
+	while (count >= 0) {
+		count--;
+		i--;
+		if (i < 0)
+			i += tx_ring->count;
+		buffer_info = &tx_ring->buffer_info[i];
+		igb_unmap_and_free_tx_resource(tx_ring, buffer_info);
+	}
+
+	return 0;
 }
 
 static inline void igb_tx_queue_adv(struct igb_ring *tx_ring,
@@ -3755,7 +3792,7 @@ netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *skb,
 	 * has occured and we need to rewind the descriptor queue
 	 */
 	count = igb_tx_map_adv(tx_ring, skb, first);
-	if (count <= 0) {
+	if (!count) {
 		dev_kfree_skb_any(skb);
 		tx_ring->buffer_info[first].time_stamp = 0;
 		tx_ring->next_to_use = first;
-- 
GitLab


From a7d5ca40ff56e2cd4e30bbe91f2d0deab6bfc006 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Wed, 2 Dec 2009 16:47:37 +0000
Subject: [PATCH 1708/1815] igbvf: remove skb_dma_map/unmap call from drivers

This patch removes the skb_dma_map/unmap calls from the igbvf driver due to
the fact that it does not play well with HW IOMMU when combined with
transmitting cloned skbs.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igbvf/igbvf.h  |  1 +
 drivers/net/igbvf/netdev.c | 65 ++++++++++++++++++++++++++++++--------
 2 files changed, 52 insertions(+), 14 deletions(-)

diff --git a/drivers/net/igbvf/igbvf.h b/drivers/net/igbvf/igbvf.h
index 8e9b67ebbf8..3d1ee7a8478 100644
--- a/drivers/net/igbvf/igbvf.h
+++ b/drivers/net/igbvf/igbvf.h
@@ -117,6 +117,7 @@ struct igbvf_buffer {
 			unsigned long time_stamp;
 			u16 length;
 			u16 next_to_watch;
+			u16 mapped_as_page;
 		};
 		/* Rx */
 		struct {
diff --git a/drivers/net/igbvf/netdev.c b/drivers/net/igbvf/netdev.c
index e01f44597a2..cf26f92e323 100644
--- a/drivers/net/igbvf/netdev.c
+++ b/drivers/net/igbvf/netdev.c
@@ -366,10 +366,20 @@ next_desc:
 static void igbvf_put_txbuf(struct igbvf_adapter *adapter,
                             struct igbvf_buffer *buffer_info)
 {
-	buffer_info->dma = 0;
+	if (buffer_info->dma) {
+		if (buffer_info->mapped_as_page)
+			pci_unmap_page(adapter->pdev,
+				       buffer_info->dma,
+				       buffer_info->length,
+				       PCI_DMA_TODEVICE);
+		else
+			pci_unmap_single(adapter->pdev,
+					 buffer_info->dma,
+					 buffer_info->length,
+					 PCI_DMA_TODEVICE);
+		buffer_info->dma = 0;
+	}
 	if (buffer_info->skb) {
-		skb_dma_unmap(&adapter->pdev->dev, buffer_info->skb,
-		              DMA_TO_DEVICE);
 		dev_kfree_skb_any(buffer_info->skb);
 		buffer_info->skb = NULL;
 	}
@@ -2088,27 +2098,24 @@ static inline int igbvf_tx_map_adv(struct igbvf_adapter *adapter,
                                    unsigned int first)
 {
 	struct igbvf_buffer *buffer_info;
+	struct pci_dev *pdev = adapter->pdev;
 	unsigned int len = skb_headlen(skb);
 	unsigned int count = 0, i;
 	unsigned int f;
-	dma_addr_t *map;
 
 	i = tx_ring->next_to_use;
 
-	if (skb_dma_map(&adapter->pdev->dev, skb, DMA_TO_DEVICE)) {
-		dev_err(&adapter->pdev->dev, "TX DMA map failed\n");
-		return 0;
-	}
-
-	map = skb_shinfo(skb)->dma_maps;
-
 	buffer_info = &tx_ring->buffer_info[i];
 	BUG_ON(len >= IGBVF_MAX_DATA_PER_TXD);
 	buffer_info->length = len;
 	/* set time_stamp *before* dma to help avoid a possible race */
 	buffer_info->time_stamp = jiffies;
 	buffer_info->next_to_watch = i;
-	buffer_info->dma = skb_shinfo(skb)->dma_head;
+	buffer_info->dma = pci_map_single(pdev, skb->data, len,
+					  PCI_DMA_TODEVICE);
+	if (pci_dma_mapping_error(pdev, buffer_info->dma))
+		goto dma_error;
+
 
 	for (f = 0; f < skb_shinfo(skb)->nr_frags; f++) {
 		struct skb_frag_struct *frag;
@@ -2125,14 +2132,44 @@ static inline int igbvf_tx_map_adv(struct igbvf_adapter *adapter,
 		buffer_info->length = len;
 		buffer_info->time_stamp = jiffies;
 		buffer_info->next_to_watch = i;
-		buffer_info->dma = map[count];
+		buffer_info->mapped_as_page = true;
+		buffer_info->dma = pci_map_page(pdev,
+						frag->page,
+						frag->page_offset,
+						len,
+						PCI_DMA_TODEVICE);
+		if (pci_dma_mapping_error(pdev, buffer_info->dma))
+			goto dma_error;
 		count++;
 	}
 
 	tx_ring->buffer_info[i].skb = skb;
 	tx_ring->buffer_info[first].next_to_watch = i;
 
-	return count + 1;
+	return ++count;
+
+dma_error:
+	dev_err(&pdev->dev, "TX DMA map failed\n");
+
+	/* clear timestamp and dma mappings for failed buffer_info mapping */
+	buffer_info->dma = 0;
+	buffer_info->time_stamp = 0;
+	buffer_info->length = 0;
+	buffer_info->next_to_watch = 0;
+	buffer_info->mapped_as_page = false;
+	count--;
+
+	/* clear timestamp and dma mappings for remaining portion of packet */
+	while (count >= 0) {
+		count--;
+		i--;
+		if (i < 0)
+			i += tx_ring->count;
+		buffer_info = &tx_ring->buffer_info[i];
+		igbvf_put_txbuf(adapter, buffer_info);
+	}
+
+	return 0;
 }
 
 static inline void igbvf_tx_queue_adv(struct igbvf_adapter *adapter,
-- 
GitLab


From e95524a726904a1d2b91552f0577838f67d53c6c Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Wed, 2 Dec 2009 16:47:57 +0000
Subject: [PATCH 1709/1815] bnx2: remove skb_dma_map/unmap calls from driver

Due to the fact that skb_dma_map/unmap do not work correctly when a HW
IOMMU is enabled it has been recommended to go about removing the calls
from the network device drivers.

[ Fix bnx2_free_tx_skbs() ring indexing and use NETDEV_TX_OK return
  code in bnx2_start_xmit() after cleaning up DMA mapping errors. -Mchan ]

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2.c | 72 ++++++++++++++++++++++++++++++++++++++--------
 drivers/net/bnx2.h |  1 +
 2 files changed, 61 insertions(+), 12 deletions(-)

diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 539d23b594c..f47bf50602d 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -2815,13 +2815,21 @@ bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
 			}
 		}
 
-		skb_dma_unmap(&bp->pdev->dev, skb, DMA_TO_DEVICE);
+		pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
+			skb_headlen(skb), PCI_DMA_TODEVICE);
 
 		tx_buf->skb = NULL;
 		last = tx_buf->nr_frags;
 
 		for (i = 0; i < last; i++) {
 			sw_cons = NEXT_TX_BD(sw_cons);
+
+			pci_unmap_page(bp->pdev,
+				pci_unmap_addr(
+					&txr->tx_buf_ring[TX_RING_IDX(sw_cons)],
+					mapping),
+				skb_shinfo(skb)->frags[i].size,
+				PCI_DMA_TODEVICE);
 		}
 
 		sw_cons = NEXT_TX_BD(sw_cons);
@@ -5295,17 +5303,29 @@ bnx2_free_tx_skbs(struct bnx2 *bp)
 		for (j = 0; j < TX_DESC_CNT; ) {
 			struct sw_tx_bd *tx_buf = &txr->tx_buf_ring[j];
 			struct sk_buff *skb = tx_buf->skb;
+			int k, last;
 
 			if (skb == NULL) {
 				j++;
 				continue;
 			}
 
-			skb_dma_unmap(&bp->pdev->dev, skb, DMA_TO_DEVICE);
+			pci_unmap_single(bp->pdev,
+					 pci_unmap_addr(tx_buf, mapping),
+					 skb_headlen(skb),
+					 PCI_DMA_TODEVICE);
 
 			tx_buf->skb = NULL;
 
-			j += skb_shinfo(skb)->nr_frags + 1;
+			last = tx_buf->nr_frags;
+			j++;
+			for (k = 0; k < last; k++, j++) {
+				tx_buf = &txr->tx_buf_ring[TX_RING_IDX(j)];
+				pci_unmap_page(bp->pdev,
+					pci_unmap_addr(tx_buf, mapping),
+					skb_shinfo(skb)->frags[k].size,
+					PCI_DMA_TODEVICE);
+			}
 			dev_kfree_skb(skb);
 		}
 	}
@@ -5684,11 +5704,12 @@ bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
 	for (i = 14; i < pkt_size; i++)
 		packet[i] = (unsigned char) (i & 0xff);
 
-	if (skb_dma_map(&bp->pdev->dev, skb, DMA_TO_DEVICE)) {
+	map = pci_map_single(bp->pdev, skb->data, pkt_size,
+		PCI_DMA_TODEVICE);
+	if (pci_dma_mapping_error(bp->pdev, map)) {
 		dev_kfree_skb(skb);
 		return -EIO;
 	}
-	map = skb_shinfo(skb)->dma_head;
 
 	REG_WR(bp, BNX2_HC_COMMAND,
 	       bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
@@ -5723,7 +5744,7 @@ bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
 
 	udelay(5);
 
-	skb_dma_unmap(&bp->pdev->dev, skb, DMA_TO_DEVICE);
+	pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE);
 	dev_kfree_skb(skb);
 
 	if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod)
@@ -6302,7 +6323,6 @@ bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	struct bnx2_napi *bnapi;
 	struct bnx2_tx_ring_info *txr;
 	struct netdev_queue *txq;
-	struct skb_shared_info *sp;
 
 	/*  Determine which tx ring we will be placed on */
 	i = skb_get_queue_mapping(skb);
@@ -6367,16 +6387,15 @@ bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	} else
 		mss = 0;
 
-	if (skb_dma_map(&bp->pdev->dev, skb, DMA_TO_DEVICE)) {
+	mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
+	if (pci_dma_mapping_error(bp->pdev, mapping)) {
 		dev_kfree_skb(skb);
 		return NETDEV_TX_OK;
 	}
 
-	sp = skb_shinfo(skb);
-	mapping = sp->dma_head;
-
 	tx_buf = &txr->tx_buf_ring[ring_prod];
 	tx_buf->skb = skb;
+	pci_unmap_addr_set(tx_buf, mapping, mapping);
 
 	txbd = &txr->tx_desc_ring[ring_prod];
 
@@ -6397,7 +6416,12 @@ bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
 		txbd = &txr->tx_desc_ring[ring_prod];
 
 		len = frag->size;
-		mapping = sp->dma_maps[i];
+		mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
+			len, PCI_DMA_TODEVICE);
+		if (pci_dma_mapping_error(bp->pdev, mapping))
+			goto dma_error;
+		pci_unmap_addr_set(&txr->tx_buf_ring[ring_prod], mapping,
+				   mapping);
 
 		txbd->tx_bd_haddr_hi = (u64) mapping >> 32;
 		txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff;
@@ -6423,6 +6447,30 @@ bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
 			netif_tx_wake_queue(txq);
 	}
 
+	return NETDEV_TX_OK;
+dma_error:
+	/* save value of frag that failed */
+	last_frag = i;
+
+	/* start back at beginning and unmap skb */
+	prod = txr->tx_prod;
+	ring_prod = TX_RING_IDX(prod);
+	tx_buf = &txr->tx_buf_ring[ring_prod];
+	tx_buf->skb = NULL;
+	pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping),
+			 skb_headlen(skb), PCI_DMA_TODEVICE);
+
+	/* unmap remaining mapped pages */
+	for (i = 0; i < last_frag; i++) {
+		prod = NEXT_TX_BD(prod);
+		ring_prod = TX_RING_IDX(prod);
+		tx_buf = &txr->tx_buf_ring[ring_prod];
+		pci_unmap_page(bp->pdev, pci_unmap_addr(tx_buf, mapping),
+			       skb_shinfo(skb)->frags[i].size,
+			       PCI_DMA_TODEVICE);
+	}
+
+	dev_kfree_skb(skb);
 	return NETDEV_TX_OK;
 }
 
diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h
index a4d83409f20..4908b9f7426 100644
--- a/drivers/net/bnx2.h
+++ b/drivers/net/bnx2.h
@@ -6559,6 +6559,7 @@ struct sw_pg {
 
 struct sw_tx_bd {
 	struct sk_buff		*skb;
+	DECLARE_PCI_UNMAP_ADDR(mapping)
 	unsigned short		is_gso;
 	unsigned short		nr_frags;
 };
-- 
GitLab


From a73b796ed85483a2b999d74d197f31f887ffa82d Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Wed, 2 Dec 2009 16:48:18 +0000
Subject: [PATCH 1710/1815] be2net: remove use of skb_dma_map/unmap

Due to the fact that skb_dma_map/unmap do not work correctly when a HW
IOMMU is enabled it has been recommended to go about removing the calls
from the network device drivers.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
CC: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/benet/be_main.c | 37 ++++++++++++++++++++++++++-----------
 1 file changed, 26 insertions(+), 11 deletions(-)

diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index e291b1b8753..f24ac4b5ce8 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -394,15 +394,11 @@ static int make_tx_wrbs(struct be_adapter *adapter,
 	atomic_add(wrb_cnt, &txq->used);
 	queue_head_inc(txq);
 
-	if (skb_dma_map(&pdev->dev, skb, DMA_TO_DEVICE)) {
-		dev_err(&pdev->dev, "TX DMA mapping failed\n");
-		return 0;
-	}
-
 	if (skb->len > skb->data_len) {
 		int len = skb->len - skb->data_len;
+		busaddr = pci_map_single(pdev, skb->data, len,
+					 PCI_DMA_TODEVICE);
 		wrb = queue_head_node(txq);
-		busaddr = skb_shinfo(skb)->dma_head;
 		wrb_fill(wrb, busaddr, len);
 		be_dws_cpu_to_le(wrb, sizeof(*wrb));
 		queue_head_inc(txq);
@@ -412,8 +408,9 @@ static int make_tx_wrbs(struct be_adapter *adapter,
 	for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
 		struct skb_frag_struct *frag =
 			&skb_shinfo(skb)->frags[i];
-
-		busaddr = skb_shinfo(skb)->dma_maps[i];
+		busaddr = pci_map_page(pdev, frag->page,
+				       frag->page_offset,
+				       frag->size, PCI_DMA_TODEVICE);
 		wrb = queue_head_node(txq);
 		wrb_fill(wrb, busaddr, frag->size);
 		be_dws_cpu_to_le(wrb, sizeof(*wrb));
@@ -986,23 +983,41 @@ static struct be_eth_tx_compl *be_tx_compl_get(struct be_queue_info *tx_cq)
 static void be_tx_compl_process(struct be_adapter *adapter, u16 last_index)
 {
 	struct be_queue_info *txq = &adapter->tx_obj.q;
+	struct be_eth_wrb *wrb;
 	struct sk_buff **sent_skbs = adapter->tx_obj.sent_skb_list;
 	struct sk_buff *sent_skb;
+	u64 busaddr;
 	u16 cur_index, num_wrbs = 0;
 
 	cur_index = txq->tail;
 	sent_skb = sent_skbs[cur_index];
 	BUG_ON(!sent_skb);
 	sent_skbs[cur_index] = NULL;
+	wrb = queue_tail_node(txq);
+	be_dws_le_to_cpu(wrb, sizeof(*wrb));
+	busaddr = ((u64)wrb->frag_pa_hi << 32) | (u64)wrb->frag_pa_lo;
+	if (busaddr != 0) {
+		pci_unmap_single(adapter->pdev, busaddr,
+				 wrb->frag_len, PCI_DMA_TODEVICE);
+	}
+	num_wrbs++;
+	queue_tail_inc(txq);
 
-	do {
+	while (cur_index != last_index) {
 		cur_index = txq->tail;
+		wrb = queue_tail_node(txq);
+		be_dws_le_to_cpu(wrb, sizeof(*wrb));
+		busaddr = ((u64)wrb->frag_pa_hi << 32) | (u64)wrb->frag_pa_lo;
+		if (busaddr != 0) {
+			pci_unmap_page(adapter->pdev, busaddr,
+				       wrb->frag_len, PCI_DMA_TODEVICE);
+		}
 		num_wrbs++;
 		queue_tail_inc(txq);
-	} while (cur_index != last_index);
+	}
 
 	atomic_sub(num_wrbs, &txq->used);
-	skb_dma_unmap(&adapter->pdev->dev, sent_skb, DMA_TO_DEVICE);
+
 	kfree_skb(sent_skb);
 }
 
-- 
GitLab


From f4188d8affc8267a0f0f1b587a4d0a4b9b7f2999 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Wed, 2 Dec 2009 16:48:38 +0000
Subject: [PATCH 1711/1815] tg3: remove use of skb_dma_map/unmap

Due to the fact that skb_dma_map/unmap do not work correctly when a HW
IOMMU is enabled it has been recommended to go about removing the calls
from the network device drivers.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
CC: Matt Carlson <mcarlson@broadcom.com>
CC: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 173 +++++++++++++++++++++++++++++++++++-----------
 drivers/net/tg3.h |   6 +-
 2 files changed, 132 insertions(+), 47 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 6e6db955b4a..302ea0b7b23 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -4357,7 +4357,7 @@ static void tg3_tx(struct tg3_napi *tnapi)
 	txq = netdev_get_tx_queue(tp->dev, index);
 
 	while (sw_idx != hw_idx) {
-		struct tx_ring_info *ri = &tnapi->tx_buffers[sw_idx];
+		struct ring_info *ri = &tnapi->tx_buffers[sw_idx];
 		struct sk_buff *skb = ri->skb;
 		int i, tx_bug = 0;
 
@@ -4366,7 +4366,10 @@ static void tg3_tx(struct tg3_napi *tnapi)
 			return;
 		}
 
-		skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE);
+		pci_unmap_single(tp->pdev,
+				 pci_unmap_addr(ri, mapping),
+				 skb_headlen(skb),
+				 PCI_DMA_TODEVICE);
 
 		ri->skb = NULL;
 
@@ -4376,6 +4379,11 @@ static void tg3_tx(struct tg3_napi *tnapi)
 			ri = &tnapi->tx_buffers[sw_idx];
 			if (unlikely(ri->skb != NULL || sw_idx == hw_idx))
 				tx_bug = 1;
+
+			pci_unmap_page(tp->pdev,
+				       pci_unmap_addr(ri, mapping),
+				       skb_shinfo(skb)->frags[i].size,
+				       PCI_DMA_TODEVICE);
 			sw_idx = NEXT_TX(sw_idx);
 		}
 
@@ -5334,17 +5342,21 @@ static int tigon3_dma_hwbug_workaround(struct tg3_napi *tnapi,
 	} else {
 		/* New SKB is guaranteed to be linear. */
 		entry = *start;
-		ret = skb_dma_map(&tp->pdev->dev, new_skb, DMA_TO_DEVICE);
-		new_addr = skb_shinfo(new_skb)->dma_head;
+		new_addr = pci_map_single(tp->pdev, new_skb->data, new_skb->len,
+					  PCI_DMA_TODEVICE);
+		/* Make sure the mapping succeeded */
+		if (pci_dma_mapping_error(tp->pdev, new_addr)) {
+			ret = -1;
+			dev_kfree_skb(new_skb);
+			new_skb = NULL;
 
 		/* Make sure new skb does not cross any 4G boundaries.
 		 * Drop the packet if it does.
 		 */
-		if (ret || ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
-			    tg3_4g_overflow_test(new_addr, new_skb->len))) {
-			if (!ret)
-				skb_dma_unmap(&tp->pdev->dev, new_skb,
-					      DMA_TO_DEVICE);
+		} else if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
+			    tg3_4g_overflow_test(new_addr, new_skb->len)) {
+			pci_unmap_single(tp->pdev, new_addr, new_skb->len,
+					 PCI_DMA_TODEVICE);
 			ret = -1;
 			dev_kfree_skb(new_skb);
 			new_skb = NULL;
@@ -5358,15 +5370,28 @@ static int tigon3_dma_hwbug_workaround(struct tg3_napi *tnapi,
 	/* Now clean up the sw ring entries. */
 	i = 0;
 	while (entry != last_plus_one) {
+		int len;
+
 		if (i == 0)
-			tnapi->tx_buffers[entry].skb = new_skb;
+			len = skb_headlen(skb);
 		else
+			len = skb_shinfo(skb)->frags[i-1].size;
+
+		pci_unmap_single(tp->pdev,
+				 pci_unmap_addr(&tnapi->tx_buffers[entry],
+						mapping),
+				 len, PCI_DMA_TODEVICE);
+		if (i == 0) {
+			tnapi->tx_buffers[entry].skb = new_skb;
+			pci_unmap_addr_set(&tnapi->tx_buffers[entry], mapping,
+					   new_addr);
+		} else {
 			tnapi->tx_buffers[entry].skb = NULL;
+		}
 		entry = NEXT_TX(entry);
 		i++;
 	}
 
-	skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE);
 	dev_kfree_skb(skb);
 
 	return ret;
@@ -5403,10 +5428,11 @@ static netdev_tx_t tg3_start_xmit(struct sk_buff *skb,
 {
 	struct tg3 *tp = netdev_priv(dev);
 	u32 len, entry, base_flags, mss;
-	struct skb_shared_info *sp;
 	dma_addr_t mapping;
 	struct tg3_napi *tnapi;
 	struct netdev_queue *txq;
+	unsigned int i, last;
+
 
 	txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb));
 	tnapi = &tp->napi[skb_get_queue_mapping(skb)];
@@ -5477,18 +5503,17 @@ static netdev_tx_t tg3_start_xmit(struct sk_buff *skb,
 			       (vlan_tx_tag_get(skb) << 16));
 #endif
 
-	if (skb_dma_map(&tp->pdev->dev, skb, DMA_TO_DEVICE)) {
+	len = skb_headlen(skb);
+
+	/* Queue skb data, a.k.a. the main skb fragment. */
+	mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
+	if (pci_dma_mapping_error(tp->pdev, mapping)) {
 		dev_kfree_skb(skb);
 		goto out_unlock;
 	}
 
-	sp = skb_shinfo(skb);
-
-	mapping = sp->dma_head;
-
 	tnapi->tx_buffers[entry].skb = skb;
-
-	len = skb_headlen(skb);
+	pci_unmap_addr_set(&tnapi->tx_buffers[entry], mapping, mapping);
 
 	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
 	    !mss && skb->len > ETH_DATA_LEN)
@@ -5501,15 +5526,21 @@ static netdev_tx_t tg3_start_xmit(struct sk_buff *skb,
 
 	/* Now loop through additional data fragments, and queue them. */
 	if (skb_shinfo(skb)->nr_frags > 0) {
-		unsigned int i, last;
-
 		last = skb_shinfo(skb)->nr_frags - 1;
 		for (i = 0; i <= last; i++) {
 			skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
 
 			len = frag->size;
-			mapping = sp->dma_maps[i];
+			mapping = pci_map_page(tp->pdev,
+					       frag->page,
+					       frag->page_offset,
+					       len, PCI_DMA_TODEVICE);
+			if (pci_dma_mapping_error(tp->pdev, mapping))
+				goto dma_error;
+
 			tnapi->tx_buffers[entry].skb = NULL;
+			pci_unmap_addr_set(&tnapi->tx_buffers[entry], mapping,
+					   mapping);
 
 			tg3_set_txd(tnapi, entry, mapping, len,
 				    base_flags, (i == last) | (mss << 1));
@@ -5532,6 +5563,27 @@ out_unlock:
 	mmiowb();
 
 	return NETDEV_TX_OK;
+
+dma_error:
+	last = i;
+	entry = tnapi->tx_prod;
+	tnapi->tx_buffers[entry].skb = NULL;
+	pci_unmap_single(tp->pdev,
+			 pci_unmap_addr(&tnapi->tx_buffers[entry], mapping),
+			 skb_headlen(skb),
+			 PCI_DMA_TODEVICE);
+	for (i = 0; i <= last; i++) {
+		skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
+		entry = NEXT_TX(entry);
+
+		pci_unmap_page(tp->pdev,
+			       pci_unmap_addr(&tnapi->tx_buffers[entry],
+					      mapping),
+			       frag->size, PCI_DMA_TODEVICE);
+	}
+
+	dev_kfree_skb(skb);
+	return NETDEV_TX_OK;
 }
 
 static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *,
@@ -5579,11 +5631,12 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
 {
 	struct tg3 *tp = netdev_priv(dev);
 	u32 len, entry, base_flags, mss;
-	struct skb_shared_info *sp;
 	int would_hit_hwbug;
 	dma_addr_t mapping;
 	struct tg3_napi *tnapi;
 	struct netdev_queue *txq;
+	unsigned int i, last;
+
 
 	txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb));
 	tnapi = &tp->napi[skb_get_queue_mapping(skb)];
@@ -5678,21 +5731,19 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
 	    !mss && skb->len > ETH_DATA_LEN)
 		base_flags |= TXD_FLAG_JMB_PKT;
 
-	if (skb_dma_map(&tp->pdev->dev, skb, DMA_TO_DEVICE)) {
+	len = skb_headlen(skb);
+
+	mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
+	if (pci_dma_mapping_error(tp->pdev, mapping)) {
 		dev_kfree_skb(skb);
 		goto out_unlock;
 	}
 
-	sp = skb_shinfo(skb);
-
-	mapping = sp->dma_head;
-
 	tnapi->tx_buffers[entry].skb = skb;
+	pci_unmap_addr_set(&tnapi->tx_buffers[entry], mapping, mapping);
 
 	would_hit_hwbug = 0;
 
-	len = skb_headlen(skb);
-
 	if ((tp->tg3_flags3 & TG3_FLG3_SHORT_DMA_BUG) && len <= 8)
 		would_hit_hwbug = 1;
 
@@ -5714,16 +5765,21 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
 
 	/* Now loop through additional data fragments, and queue them. */
 	if (skb_shinfo(skb)->nr_frags > 0) {
-		unsigned int i, last;
-
 		last = skb_shinfo(skb)->nr_frags - 1;
 		for (i = 0; i <= last; i++) {
 			skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
 
 			len = frag->size;
-			mapping = sp->dma_maps[i];
+			mapping = pci_map_page(tp->pdev,
+					       frag->page,
+					       frag->page_offset,
+					       len, PCI_DMA_TODEVICE);
 
 			tnapi->tx_buffers[entry].skb = NULL;
+			pci_unmap_addr_set(&tnapi->tx_buffers[entry], mapping,
+					   mapping);
+			if (pci_dma_mapping_error(tp->pdev, mapping))
+				goto dma_error;
 
 			if ((tp->tg3_flags3 & TG3_FLG3_SHORT_DMA_BUG) &&
 			    len <= 8)
@@ -5779,6 +5835,27 @@ out_unlock:
 	mmiowb();
 
 	return NETDEV_TX_OK;
+
+dma_error:
+	last = i;
+	entry = tnapi->tx_prod;
+	tnapi->tx_buffers[entry].skb = NULL;
+	pci_unmap_single(tp->pdev,
+			 pci_unmap_addr(&tnapi->tx_buffers[entry], mapping),
+			 skb_headlen(skb),
+			 PCI_DMA_TODEVICE);
+	for (i = 0; i <= last; i++) {
+		skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
+		entry = NEXT_TX(entry);
+
+		pci_unmap_page(tp->pdev,
+			       pci_unmap_addr(&tnapi->tx_buffers[entry],
+					      mapping),
+			       frag->size, PCI_DMA_TODEVICE);
+	}
+
+	dev_kfree_skb(skb);
+	return NETDEV_TX_OK;
 }
 
 static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
@@ -6046,8 +6123,9 @@ static void tg3_free_rings(struct tg3 *tp)
 			continue;
 
 		for (i = 0; i < TG3_TX_RING_SIZE; ) {
-			struct tx_ring_info *txp;
+			struct ring_info *txp;
 			struct sk_buff *skb;
+			unsigned int k;
 
 			txp = &tnapi->tx_buffers[i];
 			skb = txp->skb;
@@ -6057,11 +6135,22 @@ static void tg3_free_rings(struct tg3 *tp)
 				continue;
 			}
 
-			skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE);
-
+			pci_unmap_single(tp->pdev,
+					 pci_unmap_addr(txp, mapping),
+					 skb_headlen(skb),
+					 PCI_DMA_TODEVICE);
 			txp->skb = NULL;
 
-			i += skb_shinfo(skb)->nr_frags + 1;
+			i++;
+
+			for (k = 0; k < skb_shinfo(skb)->nr_frags; k++) {
+				txp = &tnapi->tx_buffers[i & (TG3_TX_RING_SIZE - 1)];
+				pci_unmap_page(tp->pdev,
+					       pci_unmap_addr(txp, mapping),
+					       skb_shinfo(skb)->frags[k].size,
+					       PCI_DMA_TODEVICE);
+				i++;
+			}
 
 			dev_kfree_skb_any(skb);
 		}
@@ -6231,7 +6320,7 @@ static int tg3_alloc_consistent(struct tg3 *tp)
 
 		memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
 
-		tnapi->tx_buffers = kzalloc(sizeof(struct tx_ring_info) *
+		tnapi->tx_buffers = kzalloc(sizeof(struct ring_info) *
 					    TG3_TX_RING_SIZE, GFP_KERNEL);
 		if (!tnapi->tx_buffers)
 			goto err_out;
@@ -10637,7 +10726,8 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
 	for (i = 14; i < tx_len; i++)
 		tx_data[i] = (u8) (i & 0xff);
 
-	if (skb_dma_map(&tp->pdev->dev, skb, DMA_TO_DEVICE)) {
+	map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE);
+	if (pci_dma_mapping_error(tp->pdev, map)) {
 		dev_kfree_skb(skb);
 		return -EIO;
 	}
@@ -10651,8 +10741,7 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
 
 	num_pkts = 0;
 
-	tg3_set_txd(tnapi, tnapi->tx_prod,
-		    skb_shinfo(skb)->dma_head, tx_len, 0, 1);
+	tg3_set_txd(tnapi, tnapi->tx_prod, map, tx_len, 0, 1);
 
 	tnapi->tx_prod++;
 	num_pkts++;
@@ -10676,7 +10765,7 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
 			break;
 	}
 
-	skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE);
+	pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE);
 	dev_kfree_skb(skb);
 
 	if (tx_idx != tnapi->tx_prod)
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 453a34fb72b..89725231f7b 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2441,10 +2441,6 @@ struct ring_info {
 	DECLARE_PCI_UNMAP_ADDR(mapping)
 };
 
-struct tx_ring_info {
-	struct sk_buff			*skb;
-};
-
 struct tg3_config_info {
 	u32				flags;
 };
@@ -2608,7 +2604,7 @@ struct tg3_napi {
 
 	struct tg3_rx_buffer_desc	*rx_rcb;
 	struct tg3_tx_buffer_desc	*tx_ring;
-	struct tx_ring_info		*tx_buffers;
+	struct ring_info		*tx_buffers;
 
 	dma_addr_t			status_mapping;
 	dma_addr_t			rx_rcb_mapping;
-- 
GitLab


From c81c2d95449cd218c2022ce6014c52fef1eb1f66 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Wed, 2 Dec 2009 16:49:02 +0000
Subject: [PATCH 1712/1815] skbuff: remove skb_dma_map/unmap

The two functions skb_dma_map/unmap are unsafe to use as they cause
problems when packets are cloned and sent to multiple devices while a HW
IOMMU is enabled.  Due to this it is best to remove the code so it is not
used by any other network driver maintainters.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/skbuff.h |  8 ------
 net/core/Makefile      |  1 -
 net/core/skb_dma_map.c | 65 ------------------------------------------
 3 files changed, 74 deletions(-)
 delete mode 100644 net/core/skb_dma_map.c

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 89eed8cdd31..ae836fded53 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -416,14 +416,6 @@ struct sk_buff {
 
 #include <asm/system.h>
 
-#ifdef CONFIG_HAS_DMA
-#include <linux/dma-mapping.h>
-extern int skb_dma_map(struct device *dev, struct sk_buff *skb,
-		       enum dma_data_direction dir);
-extern void skb_dma_unmap(struct device *dev, struct sk_buff *skb,
-			  enum dma_data_direction dir);
-#endif
-
 static inline struct dst_entry *skb_dst(const struct sk_buff *skb)
 {
 	return (struct dst_entry *)skb->_skb_dst;
diff --git a/net/core/Makefile b/net/core/Makefile
index 796f46eece5..08791ac3e05 100644
--- a/net/core/Makefile
+++ b/net/core/Makefile
@@ -6,7 +6,6 @@ obj-y := sock.o request_sock.o skbuff.o iovec.o datagram.o stream.o scm.o \
 	 gen_stats.o gen_estimator.o net_namespace.o
 
 obj-$(CONFIG_SYSCTL) += sysctl_net_core.o
-obj-$(CONFIG_HAS_DMA) += skb_dma_map.o
 
 obj-y		     += dev.o ethtool.o dev_mcast.o dst.o netevent.o \
 			neighbour.o rtnetlink.o utils.o link_watch.o filter.o
diff --git a/net/core/skb_dma_map.c b/net/core/skb_dma_map.c
deleted file mode 100644
index 79687dfd695..00000000000
--- a/net/core/skb_dma_map.c
+++ /dev/null
@@ -1,65 +0,0 @@
-/* skb_dma_map.c: DMA mapping helpers for socket buffers.
- *
- * Copyright (C) David S. Miller <davem@davemloft.net>
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/dma-mapping.h>
-#include <linux/skbuff.h>
-
-int skb_dma_map(struct device *dev, struct sk_buff *skb,
-		enum dma_data_direction dir)
-{
-	struct skb_shared_info *sp = skb_shinfo(skb);
-	dma_addr_t map;
-	int i;
-
-	map = dma_map_single(dev, skb->data,
-			     skb_headlen(skb), dir);
-	if (dma_mapping_error(dev, map))
-		goto out_err;
-
-	sp->dma_head = map;
-	for (i = 0; i < sp->nr_frags; i++) {
-		skb_frag_t *fp = &sp->frags[i];
-
-		map = dma_map_page(dev, fp->page, fp->page_offset,
-				   fp->size, dir);
-		if (dma_mapping_error(dev, map))
-			goto unwind;
-		sp->dma_maps[i] = map;
-	}
-
-	return 0;
-
-unwind:
-	while (--i >= 0) {
-		skb_frag_t *fp = &sp->frags[i];
-
-		dma_unmap_page(dev, sp->dma_maps[i],
-			       fp->size, dir);
-	}
-	dma_unmap_single(dev, sp->dma_head,
-			 skb_headlen(skb), dir);
-out_err:
-	return -ENOMEM;
-}
-EXPORT_SYMBOL(skb_dma_map);
-
-void skb_dma_unmap(struct device *dev, struct sk_buff *skb,
-		   enum dma_data_direction dir)
-{
-	struct skb_shared_info *sp = skb_shinfo(skb);
-	int i;
-
-	dma_unmap_single(dev, sp->dma_head,
-			 skb_headlen(skb), dir);
-	for (i = 0; i < sp->nr_frags; i++) {
-		skb_frag_t *fp = &sp->frags[i];
-
-		dma_unmap_page(dev, sp->dma_maps[i],
-			       fp->size, dir);
-	}
-}
-EXPORT_SYMBOL(skb_dma_unmap);
-- 
GitLab


From 94e5b651595a8eb77665787f7559a6a7c916c195 Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Wed, 2 Dec 2009 17:02:14 +0000
Subject: [PATCH 1713/1815] e1000e: check_polarity function pointers not set
 for 8257x

The function pointers for 8257x devices are not set.  This is not really a
problem now because there is nothing in the driver that references the
pointers for this particular MAC-family (the appropriate functions are
called directly), but the pointers should be set in case they are used in
the future.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/82571.c  | 3 +++
 drivers/net/e1000e/es2lan.c | 1 +
 2 files changed, 4 insertions(+)

diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
index f6f3a2289e0..c1a42cfc80b 100644
--- a/drivers/net/e1000e/82571.c
+++ b/drivers/net/e1000e/82571.c
@@ -1714,6 +1714,7 @@ static struct e1000_mac_operations e82571_mac_ops = {
 
 static struct e1000_phy_operations e82_phy_ops_igp = {
 	.acquire		= e1000_get_hw_semaphore_82571,
+	.check_polarity		= e1000_check_polarity_igp,
 	.check_reset_block	= e1000e_check_reset_block_generic,
 	.commit			= NULL,
 	.force_speed_duplex	= e1000e_phy_force_speed_duplex_igp,
@@ -1731,6 +1732,7 @@ static struct e1000_phy_operations e82_phy_ops_igp = {
 
 static struct e1000_phy_operations e82_phy_ops_m88 = {
 	.acquire		= e1000_get_hw_semaphore_82571,
+	.check_polarity		= e1000_check_polarity_m88,
 	.check_reset_block	= e1000e_check_reset_block_generic,
 	.commit			= e1000e_phy_sw_reset,
 	.force_speed_duplex	= e1000e_phy_force_speed_duplex_m88,
@@ -1748,6 +1750,7 @@ static struct e1000_phy_operations e82_phy_ops_m88 = {
 
 static struct e1000_phy_operations e82_phy_ops_bm = {
 	.acquire		= e1000_get_hw_semaphore_82571,
+	.check_polarity		= e1000_check_polarity_m88,
 	.check_reset_block	= e1000e_check_reset_block_generic,
 	.commit			= e1000e_phy_sw_reset,
 	.force_speed_duplex	= e1000e_phy_force_speed_duplex_m88,
diff --git a/drivers/net/e1000e/es2lan.c b/drivers/net/e1000e/es2lan.c
index c7bc657b5da..d2a10479460 100644
--- a/drivers/net/e1000e/es2lan.c
+++ b/drivers/net/e1000e/es2lan.c
@@ -1391,6 +1391,7 @@ static struct e1000_mac_operations es2_mac_ops = {
 
 static struct e1000_phy_operations es2_phy_ops = {
 	.acquire		= e1000_acquire_phy_80003es2lan,
+	.check_polarity		= e1000_check_polarity_m88,
 	.check_reset_block	= e1000e_check_reset_block_generic,
 	.commit		 	= e1000e_phy_sw_reset,
 	.force_speed_duplex 	= e1000_phy_force_speed_duplex_80003es2lan,
-- 
GitLab


From 5eb6f3c70fcc0fb19b9087863e6e29f96a76f3bd Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Wed, 2 Dec 2009 17:02:43 +0000
Subject: [PATCH 1714/1815] e1000e: refactor PHY ID detection workaround

The workaround that detects the correct PHY ID when an initial read of the
PHY ID registers returns an invalid one should retry up to ten times with
a small delay between attempts using a single PHY address and then repeat
using the remaining possible PHY addresses.  Do this instead of trying each
possible PHY address repeating that up to 100 times.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/hw.h  |  2 +-
 drivers/net/e1000e/phy.c | 26 ++++++++++++++++----------
 2 files changed, 17 insertions(+), 11 deletions(-)

diff --git a/drivers/net/e1000e/hw.h b/drivers/net/e1000e/hw.h
index 41609d5561b..a7d08dae79c 100644
--- a/drivers/net/e1000e/hw.h
+++ b/drivers/net/e1000e/hw.h
@@ -219,7 +219,7 @@ enum e1e_registers {
 	E1000_HICR      = 0x08F00, /* Host Interface Control */
 };
 
-/* RSS registers */
+#define E1000_MAX_PHY_ADDR		4
 
 /* IGP01E1000 Specific Registers */
 #define IGP01E1000_PHY_PORT_CONFIG	0x10 /* Port Config */
diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c
index 0c69649af06..67a718862e7 100644
--- a/drivers/net/e1000e/phy.c
+++ b/drivers/net/e1000e/phy.c
@@ -2197,28 +2197,34 @@ enum e1000_phy_type e1000e_get_phy_type_from_id(u32 phy_id)
 s32 e1000e_determine_phy_address(struct e1000_hw *hw)
 {
 	s32 ret_val = -E1000_ERR_PHY_TYPE;
-	u32 phy_addr= 0;
-	u32 i = 0;
+	u32 phy_addr = 0;
+	u32 i;
 	enum e1000_phy_type phy_type = e1000_phy_unknown;
 
-	do {
-		for (phy_addr = 0; phy_addr < 4; phy_addr++) {
-			hw->phy.addr = phy_addr;
+	hw->phy.id = phy_type;
+
+	for (phy_addr = 0; phy_addr < E1000_MAX_PHY_ADDR; phy_addr++) {
+		hw->phy.addr = phy_addr;
+		i = 0;
+
+		do {
 			e1000e_get_phy_id(hw);
 			phy_type = e1000e_get_phy_type_from_id(hw->phy.id);
 
-			/* 
+			/*
 			 * If phy_type is valid, break - we found our
 			 * PHY address
 			 */
 			if (phy_type  != e1000_phy_unknown) {
 				ret_val = 0;
-				break;
+				goto out;
 			}
-		}
-		i++;
-	} while ((ret_val != 0) && (i < 100));
+			msleep(1);
+			i++;
+		} while (i < 10);
+	}
 
+out:
 	return ret_val;
 }
 
-- 
GitLab


From 0be8401051c716be4533272e983b7eed3d83946d Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Wed, 2 Dec 2009 17:03:18 +0000
Subject: [PATCH 1715/1815] e1000e: correct ICH/PCH PHY operations function
 pointers

Some function pointers for a few PHY operations (for 82578 and 82567) and
were set incorrectly causing functions to be executed that were accessing
incorrect PHY register offsets for that particular device.  This patch also
moves a few PHY-specific functions from ich8lan.c to the more appropriate
phy.c.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/e1000e/e1000.h   |   6 +
 drivers/net/e1000e/ich8lan.c | 216 ++++-------------------------------
 drivers/net/e1000e/phy.c     | 191 ++++++++++++++++++++++++++++---
 3 files changed, 204 insertions(+), 209 deletions(-)

diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h
index b9f9e7836fa..cebbd9079d5 100644
--- a/drivers/net/e1000e/e1000.h
+++ b/drivers/net/e1000e/e1000.h
@@ -590,6 +590,12 @@ extern s32 e1000_get_phy_info_82577(struct e1000_hw *hw);
 extern s32 e1000_phy_force_speed_duplex_82577(struct e1000_hw *hw);
 extern s32 e1000_get_cable_length_82577(struct e1000_hw *hw);
 
+extern s32 e1000_check_polarity_m88(struct e1000_hw *hw);
+extern s32 e1000_get_phy_info_ife(struct e1000_hw *hw);
+extern s32 e1000_check_polarity_ife(struct e1000_hw *hw);
+extern s32 e1000_phy_force_speed_duplex_ife(struct e1000_hw *hw);
+extern s32 e1000_check_polarity_igp(struct e1000_hw *hw);
+
 static inline s32 e1000_phy_hw_reset(struct e1000_hw *hw)
 {
 	return hw->phy.ops.reset(hw);
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index 6efb77fbbd7..7b33be98a2c 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -195,7 +195,6 @@ union ich8_flash_protected_range {
 static s32 e1000_setup_link_ich8lan(struct e1000_hw *hw);
 static void e1000_clear_hw_cntrs_ich8lan(struct e1000_hw *hw);
 static void e1000_initialize_hw_bits_ich8lan(struct e1000_hw *hw);
-static s32 e1000_check_polarity_ife_ich8lan(struct e1000_hw *hw);
 static s32 e1000_erase_flash_bank_ich8lan(struct e1000_hw *hw, u32 bank);
 static s32 e1000_retry_write_flash_byte_ich8lan(struct e1000_hw *hw,
 						u32 offset, u8 byte);
@@ -260,7 +259,6 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw)
 	phy->addr                     = 1;
 	phy->reset_delay_us           = 100;
 
-	phy->ops.check_polarity       = e1000_check_polarity_ife_ich8lan;
 	phy->ops.read_reg             = e1000_read_phy_reg_hv;
 	phy->ops.read_reg_locked      = e1000_read_phy_reg_hv_locked;
 	phy->ops.set_d0_lplu_state    = e1000_set_lplu_state_pchlan;
@@ -275,13 +273,23 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw)
 	e1000e_get_phy_id(hw);
 	phy->type = e1000e_get_phy_type_from_id(phy->id);
 
-	if (phy->type == e1000_phy_82577) {
+	switch (phy->type) {
+	case e1000_phy_82577:
 		phy->ops.check_polarity = e1000_check_polarity_82577;
 		phy->ops.force_speed_duplex =
 			e1000_phy_force_speed_duplex_82577;
-		phy->ops.get_cable_length   = e1000_get_cable_length_82577;
+		phy->ops.get_cable_length = e1000_get_cable_length_82577;
 		phy->ops.get_info = e1000_get_phy_info_82577;
 		phy->ops.commit = e1000e_phy_sw_reset;
+	case e1000_phy_82578:
+		phy->ops.check_polarity = e1000_check_polarity_m88;
+		phy->ops.force_speed_duplex = e1000e_phy_force_speed_duplex_m88;
+		phy->ops.get_cable_length = e1000e_get_cable_length_m88;
+		phy->ops.get_info = e1000e_get_phy_info_m88;
+		break;
+	default:
+		ret_val = -E1000_ERR_PHY;
+		break;
 	}
 
 	return ret_val;
@@ -336,12 +344,18 @@ static s32 e1000_init_phy_params_ich8lan(struct e1000_hw *hw)
 		phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT;
 		phy->ops.read_reg_locked = e1000e_read_phy_reg_igp_locked;
 		phy->ops.write_reg_locked = e1000e_write_phy_reg_igp_locked;
+		phy->ops.get_info = e1000e_get_phy_info_igp;
+		phy->ops.check_polarity = e1000_check_polarity_igp;
+		phy->ops.force_speed_duplex = e1000e_phy_force_speed_duplex_igp;
 		break;
 	case IFE_E_PHY_ID:
 	case IFE_PLUS_E_PHY_ID:
 	case IFE_C_E_PHY_ID:
 		phy->type = e1000_phy_ife;
 		phy->autoneg_mask = E1000_ALL_NOT_GIG;
+		phy->ops.get_info = e1000_get_phy_info_ife;
+		phy->ops.check_polarity = e1000_check_polarity_ife;
+		phy->ops.force_speed_duplex = e1000_phy_force_speed_duplex_ife;
 		break;
 	case BME1000_E_PHY_ID:
 		phy->type = e1000_phy_bm;
@@ -349,14 +363,15 @@ static s32 e1000_init_phy_params_ich8lan(struct e1000_hw *hw)
 		phy->ops.read_reg = e1000e_read_phy_reg_bm;
 		phy->ops.write_reg = e1000e_write_phy_reg_bm;
 		phy->ops.commit = e1000e_phy_sw_reset;
+		phy->ops.get_info = e1000e_get_phy_info_m88;
+		phy->ops.check_polarity = e1000_check_polarity_m88;
+		phy->ops.force_speed_duplex = e1000e_phy_force_speed_duplex_m88;
 		break;
 	default:
 		return -E1000_ERR_PHY;
 		break;
 	}
 
-	phy->ops.check_polarity = e1000_check_polarity_ife_ich8lan;
-
 	return 0;
 }
 
@@ -739,77 +754,6 @@ static s32 e1000_check_reset_block_ich8lan(struct e1000_hw *hw)
 	return (fwsm & E1000_ICH_FWSM_RSPCIPHY) ? 0 : E1000_BLK_PHY_RESET;
 }
 
-/**
- *  e1000_phy_force_speed_duplex_ich8lan - Force PHY speed & duplex
- *  @hw: pointer to the HW structure
- *
- *  Forces the speed and duplex settings of the PHY.
- *  This is a function pointer entry point only called by
- *  PHY setup routines.
- **/
-static s32 e1000_phy_force_speed_duplex_ich8lan(struct e1000_hw *hw)
-{
-	struct e1000_phy_info *phy = &hw->phy;
-	s32 ret_val;
-	u16 data;
-	bool link;
-
-	if (phy->type != e1000_phy_ife) {
-		ret_val = e1000e_phy_force_speed_duplex_igp(hw);
-		return ret_val;
-	}
-
-	ret_val = e1e_rphy(hw, PHY_CONTROL, &data);
-	if (ret_val)
-		return ret_val;
-
-	e1000e_phy_force_speed_duplex_setup(hw, &data);
-
-	ret_val = e1e_wphy(hw, PHY_CONTROL, data);
-	if (ret_val)
-		return ret_val;
-
-	/* Disable MDI-X support for 10/100 */
-	ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &data);
-	if (ret_val)
-		return ret_val;
-
-	data &= ~IFE_PMC_AUTO_MDIX;
-	data &= ~IFE_PMC_FORCE_MDIX;
-
-	ret_val = e1e_wphy(hw, IFE_PHY_MDIX_CONTROL, data);
-	if (ret_val)
-		return ret_val;
-
-	e_dbg("IFE PMC: %X\n", data);
-
-	udelay(1);
-
-	if (phy->autoneg_wait_to_complete) {
-		e_dbg("Waiting for forced speed/duplex link on IFE phy.\n");
-
-		ret_val = e1000e_phy_has_link_generic(hw,
-						     PHY_FORCE_LIMIT,
-						     100000,
-						     &link);
-		if (ret_val)
-			return ret_val;
-
-		if (!link)
-			e_dbg("Link taking longer than expected.\n");
-
-		/* Try once more */
-		ret_val = e1000e_phy_has_link_generic(hw,
-						     PHY_FORCE_LIMIT,
-						     100000,
-						     &link);
-		if (ret_val)
-			return ret_val;
-	}
-
-	return 0;
-}
-
 /**
  *  e1000_sw_lcd_config_ich8lan - SW-based LCD Configuration
  *  @hw:   pointer to the HW structure
@@ -1261,122 +1205,6 @@ out:
 	return 0;
 }
 
-/**
- *  e1000_get_phy_info_ife_ich8lan - Retrieves various IFE PHY states
- *  @hw: pointer to the HW structure
- *
- *  Populates "phy" structure with various feature states.
- *  This function is only called by other family-specific
- *  routines.
- **/
-static s32 e1000_get_phy_info_ife_ich8lan(struct e1000_hw *hw)
-{
-	struct e1000_phy_info *phy = &hw->phy;
-	s32 ret_val;
-	u16 data;
-	bool link;
-
-	ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
-	if (ret_val)
-		return ret_val;
-
-	if (!link) {
-		e_dbg("Phy info is only valid if link is up\n");
-		return -E1000_ERR_CONFIG;
-	}
-
-	ret_val = e1e_rphy(hw, IFE_PHY_SPECIAL_CONTROL, &data);
-	if (ret_val)
-		return ret_val;
-	phy->polarity_correction = (!(data & IFE_PSC_AUTO_POLARITY_DISABLE));
-
-	if (phy->polarity_correction) {
-		ret_val = phy->ops.check_polarity(hw);
-		if (ret_val)
-			return ret_val;
-	} else {
-		/* Polarity is forced */
-		phy->cable_polarity = (data & IFE_PSC_FORCE_POLARITY)
-				      ? e1000_rev_polarity_reversed
-				      : e1000_rev_polarity_normal;
-	}
-
-	ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &data);
-	if (ret_val)
-		return ret_val;
-
-	phy->is_mdix = (data & IFE_PMC_MDIX_STATUS);
-
-	/* The following parameters are undefined for 10/100 operation. */
-	phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED;
-	phy->local_rx = e1000_1000t_rx_status_undefined;
-	phy->remote_rx = e1000_1000t_rx_status_undefined;
-
-	return 0;
-}
-
-/**
- *  e1000_get_phy_info_ich8lan - Calls appropriate PHY type get_phy_info
- *  @hw: pointer to the HW structure
- *
- *  Wrapper for calling the get_phy_info routines for the appropriate phy type.
- *  This is a function pointer entry point called by drivers
- *  or other shared routines.
- **/
-static s32 e1000_get_phy_info_ich8lan(struct e1000_hw *hw)
-{
-	switch (hw->phy.type) {
-	case e1000_phy_ife:
-		return e1000_get_phy_info_ife_ich8lan(hw);
-		break;
-	case e1000_phy_igp_3:
-	case e1000_phy_bm:
-	case e1000_phy_82578:
-	case e1000_phy_82577:
-		return e1000e_get_phy_info_igp(hw);
-		break;
-	default:
-		break;
-	}
-
-	return -E1000_ERR_PHY_TYPE;
-}
-
-/**
- *  e1000_check_polarity_ife_ich8lan - Check cable polarity for IFE PHY
- *  @hw: pointer to the HW structure
- *
- *  Polarity is determined on the polarity reversal feature being enabled.
- *  This function is only called by other family-specific
- *  routines.
- **/
-static s32 e1000_check_polarity_ife_ich8lan(struct e1000_hw *hw)
-{
-	struct e1000_phy_info *phy = &hw->phy;
-	s32 ret_val;
-	u16 phy_data, offset, mask;
-
-	/*
-	 * Polarity is determined based on the reversal feature being enabled.
-	 */
-	if (phy->polarity_correction) {
-		offset	= IFE_PHY_EXTENDED_STATUS_CONTROL;
-		mask	= IFE_PESC_POLARITY_REVERSED;
-	} else {
-		offset	= IFE_PHY_SPECIAL_CONTROL;
-		mask	= IFE_PSC_FORCE_POLARITY;
-	}
-
-	ret_val = e1e_rphy(hw, offset, &phy_data);
-
-	if (!ret_val)
-		phy->cable_polarity = (phy_data & mask)
-				      ? e1000_rev_polarity_reversed
-				      : e1000_rev_polarity_normal;
-
-	return ret_val;
-}
-
 /**
  *  e1000_set_lplu_state_pchlan - Set Low Power Link Up state
  *  @hw: pointer to the HW structure
@@ -3485,10 +3313,8 @@ static struct e1000_phy_operations ich8_phy_ops = {
 	.acquire		= e1000_acquire_swflag_ich8lan,
 	.check_reset_block	= e1000_check_reset_block_ich8lan,
 	.commit			= NULL,
-	.force_speed_duplex	= e1000_phy_force_speed_duplex_ich8lan,
 	.get_cfg_done		= e1000_get_cfg_done_ich8lan,
 	.get_cable_length	= e1000e_get_cable_length_igp_2,
-	.get_info		= e1000_get_phy_info_ich8lan,
 	.read_reg		= e1000e_read_phy_reg_igp,
 	.release		= e1000_release_swflag_ich8lan,
 	.reset			= e1000_phy_hw_reset_ich8lan,
diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c
index 67a718862e7..55a2c0acfee 100644
--- a/drivers/net/e1000e/phy.c
+++ b/drivers/net/e1000e/phy.c
@@ -1322,17 +1322,22 @@ s32 e1000e_phy_force_speed_duplex_m88(struct e1000_hw *hw)
 			return ret_val;
 
 		if (!link) {
-			/*
-			 * We didn't get link.
-			 * Reset the DSP and cross our fingers.
-			 */
-			ret_val = e1e_wphy(hw, M88E1000_PHY_PAGE_SELECT,
-					   0x001d);
-			if (ret_val)
-				return ret_val;
-			ret_val = e1000e_phy_reset_dsp(hw);
-			if (ret_val)
-				return ret_val;
+			if (hw->phy.type != e1000_phy_m88) {
+				e_dbg("Link taking longer than expected.\n");
+			} else {
+				/*
+				 * We didn't get link.
+				 * Reset the DSP and cross our fingers.
+				 */
+				ret_val = e1e_wphy(hw,
+						M88E1000_PHY_PAGE_SELECT,
+						0x001d);
+				if (ret_val)
+					return ret_val;
+				ret_val = e1000e_phy_reset_dsp(hw);
+				if (ret_val)
+					return ret_val;
+			}
 		}
 
 		/* Try once more */
@@ -1342,6 +1347,9 @@ s32 e1000e_phy_force_speed_duplex_m88(struct e1000_hw *hw)
 			return ret_val;
 	}
 
+	if (hw->phy.type != e1000_phy_m88)
+		return 0;
+
 	ret_val = e1e_rphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data);
 	if (ret_val)
 		return ret_val;
@@ -1370,6 +1378,73 @@ s32 e1000e_phy_force_speed_duplex_m88(struct e1000_hw *hw)
 	return ret_val;
 }
 
+/**
+ *  e1000_phy_force_speed_duplex_ife - Force PHY speed & duplex
+ *  @hw: pointer to the HW structure
+ *
+ *  Forces the speed and duplex settings of the PHY.
+ *  This is a function pointer entry point only called by
+ *  PHY setup routines.
+ **/
+s32 e1000_phy_force_speed_duplex_ife(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val;
+	u16 data;
+	bool link;
+
+	ret_val = e1e_rphy(hw, PHY_CONTROL, &data);
+	if (ret_val)
+		goto out;
+
+	e1000e_phy_force_speed_duplex_setup(hw, &data);
+
+	ret_val = e1e_wphy(hw, PHY_CONTROL, data);
+	if (ret_val)
+		goto out;
+
+	/* Disable MDI-X support for 10/100 */
+	ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &data);
+	if (ret_val)
+		goto out;
+
+	data &= ~IFE_PMC_AUTO_MDIX;
+	data &= ~IFE_PMC_FORCE_MDIX;
+
+	ret_val = e1e_wphy(hw, IFE_PHY_MDIX_CONTROL, data);
+	if (ret_val)
+		goto out;
+
+	e_dbg("IFE PMC: %X\n", data);
+
+	udelay(1);
+
+	if (phy->autoneg_wait_to_complete) {
+		e_dbg("Waiting for forced speed/duplex link on IFE phy.\n");
+
+		ret_val = e1000e_phy_has_link_generic(hw,
+		                                     PHY_FORCE_LIMIT,
+		                                     100000,
+		                                     &link);
+		if (ret_val)
+			goto out;
+
+		if (!link)
+			e_dbg("Link taking longer than expected.\n");
+
+		/* Try once more */
+		ret_val = e1000e_phy_has_link_generic(hw,
+		                                     PHY_FORCE_LIMIT,
+		                                     100000,
+		                                     &link);
+		if (ret_val)
+			goto out;
+	}
+
+out:
+	return ret_val;
+}
+
 /**
  *  e1000e_phy_force_speed_duplex_setup - Configure forced PHY speed/duplex
  *  @hw: pointer to the HW structure
@@ -1557,7 +1632,7 @@ s32 e1000e_check_downshift(struct e1000_hw *hw)
  *
  *  Polarity is determined based on the PHY specific status register.
  **/
-static s32 e1000_check_polarity_m88(struct e1000_hw *hw)
+s32 e1000_check_polarity_m88(struct e1000_hw *hw)
 {
 	struct e1000_phy_info *phy = &hw->phy;
 	s32 ret_val;
@@ -1582,7 +1657,7 @@ static s32 e1000_check_polarity_m88(struct e1000_hw *hw)
  *  Polarity is determined based on the PHY port status register, and the
  *  current speed (since there is no polarity at 100Mbps).
  **/
-static s32 e1000_check_polarity_igp(struct e1000_hw *hw)
+s32 e1000_check_polarity_igp(struct e1000_hw *hw)
 {
 	struct e1000_phy_info *phy = &hw->phy;
 	s32 ret_val;
@@ -1619,6 +1694,39 @@ static s32 e1000_check_polarity_igp(struct e1000_hw *hw)
 	return ret_val;
 }
 
+/**
+ *  e1000_check_polarity_ife - Check cable polarity for IFE PHY
+ *  @hw: pointer to the HW structure
+ *
+ *  Polarity is determined on the polarity reversal feature being enabled.
+ **/
+s32 e1000_check_polarity_ife(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val;
+	u16 phy_data, offset, mask;
+
+	/*
+	 * Polarity is determined based on the reversal feature being enabled.
+	 */
+	if (phy->polarity_correction) {
+		offset = IFE_PHY_EXTENDED_STATUS_CONTROL;
+		mask = IFE_PESC_POLARITY_REVERSED;
+	} else {
+		offset = IFE_PHY_SPECIAL_CONTROL;
+		mask = IFE_PSC_FORCE_POLARITY;
+	}
+
+	ret_val = e1e_rphy(hw, offset, &phy_data);
+
+	if (!ret_val)
+		phy->cable_polarity = (phy_data & mask)
+		                       ? e1000_rev_polarity_reversed
+		                       : e1000_rev_polarity_normal;
+
+	return ret_val;
+}
+
 /**
  *  e1000_wait_autoneg - Wait for auto-neg completion
  *  @hw: pointer to the HW structure
@@ -1823,7 +1931,7 @@ s32 e1000e_get_phy_info_m88(struct e1000_hw *hw)
 	u16 phy_data;
 	bool link;
 
-	if (hw->phy.media_type != e1000_media_type_copper) {
+	if (phy->media_type != e1000_media_type_copper) {
 		e_dbg("Phy info is only valid for copper media\n");
 		return -E1000_ERR_CONFIG;
 	}
@@ -1943,6 +2051,61 @@ s32 e1000e_get_phy_info_igp(struct e1000_hw *hw)
 	return ret_val;
 }
 
+/**
+ *  e1000_get_phy_info_ife - Retrieves various IFE PHY states
+ *  @hw: pointer to the HW structure
+ *
+ *  Populates "phy" structure with various feature states.
+ **/
+s32 e1000_get_phy_info_ife(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val;
+	u16 data;
+	bool link;
+
+	ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
+	if (ret_val)
+		goto out;
+
+	if (!link) {
+		e_dbg("Phy info is only valid if link is up\n");
+		ret_val = -E1000_ERR_CONFIG;
+		goto out;
+	}
+
+	ret_val = e1e_rphy(hw, IFE_PHY_SPECIAL_CONTROL, &data);
+	if (ret_val)
+		goto out;
+	phy->polarity_correction = (data & IFE_PSC_AUTO_POLARITY_DISABLE)
+	                           ? false : true;
+
+	if (phy->polarity_correction) {
+		ret_val = e1000_check_polarity_ife(hw);
+		if (ret_val)
+			goto out;
+	} else {
+		/* Polarity is forced */
+		phy->cable_polarity = (data & IFE_PSC_FORCE_POLARITY)
+		                      ? e1000_rev_polarity_reversed
+		                      : e1000_rev_polarity_normal;
+	}
+
+	ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &data);
+	if (ret_val)
+		goto out;
+
+	phy->is_mdix = (data & IFE_PMC_MDIX_STATUS) ? true : false;
+
+	/* The following parameters are undefined for 10/100 operation. */
+	phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED;
+	phy->local_rx = e1000_1000t_rx_status_undefined;
+	phy->remote_rx = e1000_1000t_rx_status_undefined;
+
+out:
+	return ret_val;
+}
+
 /**
  *  e1000e_phy_sw_reset - PHY software reset
  *  @hw: pointer to the HW structure
-- 
GitLab


From f58dbd7320e148b25cc0088ef37f524c99c6790f Mon Sep 17 00:00:00 2001
From: Narender Kumar <narender.kumar@qlogic.com>
Date: Wed, 2 Dec 2009 15:46:18 +0000
Subject: [PATCH 1716/1815] netxen : fix debug tools access for NX2031

Driver maps only some part of the MMIO bar 0 in case of
NX2031. This is sufficient for tx and rx by the driver.
When debug tools need to access resources in
unmapped regions, driver needs to map these on the fly
in order to complete read/write request.

Signed-off-by: Narender Kumar <narender.kumar@qlogic.com>
Signed-off-by: Dhananjay Phadke <dhananjay.phadke@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/netxen/netxen_nic_hw.c | 63 +++++++++++++++++++++---------
 1 file changed, 44 insertions(+), 19 deletions(-)

diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index e71ca30433e..89bd5194e37 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -1175,24 +1175,46 @@ netxen_nic_pci_set_crbwindow_2M(struct netxen_adapter *adapter, ulong off)
 	adapter->ahw.crb_win = window;
 }
 
+static void __iomem *
+netxen_nic_map_indirect_address_128M(struct netxen_adapter *adapter,
+		ulong win_off, void __iomem **mem_ptr)
+{
+	ulong off = win_off;
+	void __iomem *addr;
+	resource_size_t mem_base;
+
+	if (ADDR_IN_WINDOW1(win_off))
+		off = NETXEN_CRB_NORMAL(win_off);
+
+	addr = pci_base_offset(adapter, off);
+	if (addr)
+		return addr;
+
+	if (adapter->ahw.pci_len0 == 0)
+		off -= NETXEN_PCI_CRBSPACE;
+
+	mem_base = pci_resource_start(adapter->pdev, 0);
+	*mem_ptr = ioremap(mem_base + (off & PAGE_MASK), PAGE_SIZE);
+	if (*mem_ptr)
+		addr = *mem_ptr + (off & (PAGE_SIZE - 1));
+
+	return addr;
+}
+
 static int
 netxen_nic_hw_write_wx_128M(struct netxen_adapter *adapter, ulong off, u32 data)
 {
 	unsigned long flags;
-	void __iomem *addr;
-
-	if (ADDR_IN_WINDOW1(off))
-		addr = NETXEN_CRB_NORMALIZE(adapter, off);
-	else
-		addr = pci_base_offset(adapter, off);
+	void __iomem *addr, *mem_ptr = NULL;
 
-	BUG_ON(!addr);
+	addr = netxen_nic_map_indirect_address_128M(adapter, off, &mem_ptr);
+	if (!addr)
+		return -EIO;
 
-	if (ADDR_IN_WINDOW1(off)) {	/* Window 1 */
+	if (ADDR_IN_WINDOW1(off)) { /* Window 1 */
 		netxen_nic_io_write_128M(adapter, addr, data);
-	} else {		/* Window 0 */
+	} else {        /* Window 0 */
 		write_lock_irqsave(&adapter->ahw.crb_lock, flags);
-		addr = pci_base_offset(adapter, off);
 		netxen_nic_pci_set_crbwindow_128M(adapter, 0);
 		writel(data, addr);
 		netxen_nic_pci_set_crbwindow_128M(adapter,
@@ -1200,6 +1222,9 @@ netxen_nic_hw_write_wx_128M(struct netxen_adapter *adapter, ulong off, u32 data)
 		write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
 	}
 
+	if (mem_ptr)
+		iounmap(mem_ptr);
+
 	return 0;
 }
 
@@ -1207,19 +1232,16 @@ static u32
 netxen_nic_hw_read_wx_128M(struct netxen_adapter *adapter, ulong off)
 {
 	unsigned long flags;
-	void __iomem *addr;
+	void __iomem *addr, *mem_ptr = NULL;
 	u32 data;
 
-	if (ADDR_IN_WINDOW1(off))
-		addr = NETXEN_CRB_NORMALIZE(adapter, off);
-	else
-		addr = pci_base_offset(adapter, off);
-
-	BUG_ON(!addr);
+	addr = netxen_nic_map_indirect_address_128M(adapter, off, &mem_ptr);
+	if (!addr)
+		return -EIO;
 
-	if (ADDR_IN_WINDOW1(off)) {	/* Window 1 */
+	if (ADDR_IN_WINDOW1(off)) { /* Window 1 */
 		data = netxen_nic_io_read_128M(adapter, addr);
-	} else {		/* Window 0 */
+	} else {        /* Window 0 */
 		write_lock_irqsave(&adapter->ahw.crb_lock, flags);
 		netxen_nic_pci_set_crbwindow_128M(adapter, 0);
 		data = readl(addr);
@@ -1228,6 +1250,9 @@ netxen_nic_hw_read_wx_128M(struct netxen_adapter *adapter, ulong off)
 		write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
 	}
 
+	if (mem_ptr)
+		iounmap(mem_ptr);
+
 	return data;
 }
 
-- 
GitLab


From 8f9b3f69944ab7eacb9273b4723087c42b5f4046 Mon Sep 17 00:00:00 2001
From: Amit Kumar Salecha <amit@unm84.unmin.com>
Date: Wed, 2 Dec 2009 15:46:19 +0000
Subject: [PATCH 1717/1815] netxen: fix failure cases for fw hang recovery

Handle few corner cases in firmware hang detection and recovery:

o Don't mark device state as READY, till handshake with
  firmware is done.
o During probe, if start_firmware fails, restore reference
  count.
o Don't increment refernce count, if start_firmware fails
  during firmware reset.
o Clear __NX_RESETTING bit, incase of fatal error or tempeature
  reaches critical limit so that pci remove() doesn't poll on
  this bit.

Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/netxen/netxen_nic_main.c | 26 +++++++++++++++-----------
 1 file changed, 15 insertions(+), 11 deletions(-)

diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 838420dbc63..e5d187fce51 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -819,7 +819,7 @@ netxen_start_firmware(struct netxen_adapter *adapter)
 	if (err < 0)
 		goto err_out;
 	if (err == 0)
-		goto ready;
+		goto wait_init;
 
 	if (first_boot != 0x55555555) {
 		NXWR32(adapter, CRB_CMDPEG_STATE, 0);
@@ -862,9 +862,6 @@ netxen_start_firmware(struct netxen_adapter *adapter)
 		| (_NETXEN_NIC_LINUX_SUBVERSION);
 	NXWR32(adapter, CRB_DRIVER_VERSION, val);
 
-ready:
-	NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_READY);
-
 wait_init:
 	/* Handshake with the card before we register the devices. */
 	err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
@@ -873,6 +870,8 @@ wait_init:
 		goto err_out;
 	}
 
+	NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_READY);
+
 	nx_update_dma_mask(adapter);
 
 	netxen_check_options(adapter);
@@ -1282,7 +1281,7 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	err = netxen_start_firmware(adapter);
 	if (err)
-		goto err_out_iounmap;
+		goto err_out_decr_ref;
 
 	/*
 	 * See if the firmware gave us a virtual-physical port mapping.
@@ -1326,6 +1325,7 @@ err_out_disable_msi:
 
 	netxen_free_dummy_dma(adapter);
 
+err_out_decr_ref:
 	nx_decr_dev_ref_cnt(adapter);
 
 err_out_iounmap:
@@ -2189,14 +2189,13 @@ netxen_fwinit_work(struct work_struct *work)
 					netxen_fwinit_work, 2 * FW_POLL_DELAY);
 			return;
 		}
-		break;
 
 	case NX_DEV_FAILED:
 	default:
+		nx_incr_dev_ref_cnt(adapter);
 		break;
 	}
 
-	nx_incr_dev_ref_cnt(adapter);
 	clear_bit(__NX_RESETTING, &adapter->state);
 }
 
@@ -2218,18 +2217,23 @@ netxen_detach_work(struct work_struct *work)
 
 	status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
 
-	ref_cnt = nx_decr_dev_ref_cnt(adapter);
-
 	if (status & NX_RCODE_FATAL_ERROR)
-		return;
+		goto err_ret;
 
 	if (adapter->temp == NX_TEMP_PANIC)
-		return;
+		goto err_ret;
+
+	ref_cnt = nx_decr_dev_ref_cnt(adapter);
 
 	delay = (ref_cnt == 0) ? 0 : (2 * FW_POLL_DELAY);
 
 	adapter->fw_wait_cnt = 0;
 	netxen_schedule_work(adapter, netxen_fwinit_work, delay);
+
+	return;
+
+err_ret:
+	clear_bit(__NX_RESETTING, &adapter->state);
 }
 
 static int
-- 
GitLab


From c7596b79feb3d15bea64007254f77233bda811f4 Mon Sep 17 00:00:00 2001
From: Michael Chan <mchan@broadcom.com>
Date: Wed, 2 Dec 2009 15:15:35 +0000
Subject: [PATCH 1718/1815] cnic: Fix ring I/O address for bnx2x devices.

Old code was initializing the ring producers using an incorrect I/O
address.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/cnic.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c
index ee7eb9ee77e..10c5cc35630 100644
--- a/drivers/net/cnic.c
+++ b/drivers/net/cnic.c
@@ -4131,22 +4131,20 @@ static void cnic_init_rings(struct cnic_dev *dev)
 		cnic_init_bnx2_rx_ring(dev);
 	} else if (test_bit(CNIC_F_BNX2X_CLASS, &dev->flags)) {
 		struct cnic_local *cp = dev->cnic_priv;
-		struct cnic_eth_dev *ethdev = cp->ethdev;
 		u32 cli = BNX2X_ISCSI_CL_ID(CNIC_E1HVN(cp));
 		union l5cm_specific_data l5_data;
 		struct ustorm_eth_rx_producers rx_prods = {0};
-		void __iomem *doorbell;
-		int i;
+		u32 off, i;
 
 		rx_prods.bd_prod = 0;
 		rx_prods.cqe_prod = BNX2X_MAX_RCQ_DESC_CNT;
 		barrier();
 
-		doorbell = ethdev->io_base2 + BAR_USTRORM_INTMEM +
+		off = BAR_USTRORM_INTMEM +
 			USTORM_RX_PRODS_OFFSET(CNIC_PORT(cp), cli);
 
 		for (i = 0; i < sizeof(struct ustorm_eth_rx_producers) / 4; i++)
-			writel(((u32 *) &rx_prods)[i], doorbell + i * 4);
+			CNIC_WR(dev, off + i * 4, ((u32 *) &rx_prods)[i]);
 
 		cnic_init_bnx2x_tx_ring(dev);
 		cnic_init_bnx2x_rx_ring(dev);
-- 
GitLab


From 8b065b671d3096bfe0dbc9a833cb592f84642436 Mon Sep 17 00:00:00 2001
From: Michael Chan <mchan@broadcom.com>
Date: Wed, 2 Dec 2009 15:15:36 +0000
Subject: [PATCH 1719/1815] cnic: Fix bnx2x ring shutdown.

Need to send a HALT command to the firmware to fully shutdown the bnx2x
rings.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/cnic.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c
index 10c5cc35630..fb1cadb0e1f 100644
--- a/drivers/net/cnic.c
+++ b/drivers/net/cnic.c
@@ -4164,8 +4164,15 @@ static void cnic_shutdown_rings(struct cnic_dev *dev)
 	} else if (test_bit(CNIC_F_BNX2X_CLASS, &dev->flags)) {
 		struct cnic_local *cp = dev->cnic_priv;
 		u32 cli = BNX2X_ISCSI_CL_ID(CNIC_E1HVN(cp));
+		union l5cm_specific_data l5_data;
 
 		cnic_ring_ctl(dev, BNX2X_ISCSI_L2_CID, cli, 0);
+
+		l5_data.phy_address.lo = cli;
+		l5_data.phy_address.hi = 0;
+		cnic_submit_kwqe_16(dev, RAMROD_CMD_ID_ETH_HALT,
+			BNX2X_ISCSI_L2_CID, ETH_CONNECTION_TYPE, &l5_data);
+		msleep(10);
 	}
 }
 
-- 
GitLab


From dd2e4dbce32a2802088f6d0132046afec9bfb2ad Mon Sep 17 00:00:00 2001
From: Michael Chan <mchan@broadcom.com>
Date: Wed, 2 Dec 2009 15:15:37 +0000
Subject: [PATCH 1720/1815] cnic: Fix bogus iSCSI MAC address

Fix code to read the proper iSCSI MAC address for bnx2x devices.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/cnic.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c
index fb1cadb0e1f..bb6ce8ddcb2 100644
--- a/drivers/net/cnic.c
+++ b/drivers/net/cnic.c
@@ -3997,15 +3997,19 @@ static void cnic_get_bnx2x_iscsi_info(struct cnic_dev *dev)
 	if (base < 0xa0000 || base >= 0xc0000)
 		return;
 
-	val = BNX2X_SHMEM_ADDR(base,
+	addr = BNX2X_SHMEM_ADDR(base,
 		dev_info.port_hw_config[port].iscsi_mac_upper);
 
+	val = CNIC_RD(dev, addr);
+
 	dev->mac_addr[0] = (u8) (val >> 8);
 	dev->mac_addr[1] = (u8) val;
 
-	val = BNX2X_SHMEM_ADDR(base,
+	addr = BNX2X_SHMEM_ADDR(base,
 		dev_info.port_hw_config[port].iscsi_mac_lower);
 
+	val = CNIC_RD(dev, addr);
+
 	dev->mac_addr[2] = (u8) (val >> 24);
 	dev->mac_addr[3] = (u8) (val >> 16);
 	dev->mac_addr[4] = (u8) (val >> 8);
-- 
GitLab


From 15971c3ce3caf9a92b603a61b07e0be8c9b9d276 Mon Sep 17 00:00:00 2001
From: Michael Chan <mchan@broadcom.com>
Date: Wed, 2 Dec 2009 15:15:38 +0000
Subject: [PATCH 1721/1815] cnic: Fix rq_page_table DMA address.

The old code mistakenly zeroed out the upper 32-bit of the DMA address.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/cnic.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c
index bb6ce8ddcb2..d78e8033c95 100644
--- a/drivers/net/cnic.c
+++ b/drivers/net/cnic.c
@@ -1500,9 +1500,9 @@ static int cnic_setup_bnx2x_ctx(struct cnic_dev *dev, struct kwqe *wqes[],
 	ictx->timers_context.flags |= ISCSI_TIMERS_BLOCK_CONTEXT_CONN_VALID_FLG;
 
 	ictx->ustorm_st_context.ring.rq.pbl_base.lo =
-		req2->rq_page_table_addr_lo & 0xffffffff;
+		req2->rq_page_table_addr_lo;
 	ictx->ustorm_st_context.ring.rq.pbl_base.hi =
-		(u64) req2->rq_page_table_addr_hi >> 32;
+		req2->rq_page_table_addr_hi;
 	ictx->ustorm_st_context.ring.rq.curr_pbe.lo = req3->qp_first_pte[0].hi;
 	ictx->ustorm_st_context.ring.rq.curr_pbe.hi = req3->qp_first_pte[0].lo;
 	ictx->ustorm_st_context.ring.r2tq.pbl_base.lo =
-- 
GitLab


From 3248e1682035eef6774c280cd7be19984feb78bb Mon Sep 17 00:00:00 2001
From: Michael Chan <mchan@broadcom.com>
Date: Wed, 2 Dec 2009 15:15:39 +0000
Subject: [PATCH 1722/1815] cnic: Use dma_alloc_coherent().

Replace pci_alloc_consistent() with dma_alloc_coherent() so that
appropriate GFP flags can be used.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/cnic.c | 54 +++++++++++++++++++++++++---------------------
 1 file changed, 30 insertions(+), 24 deletions(-)

diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c
index d78e8033c95..d4c6e7fcff5 100644
--- a/drivers/net/cnic.c
+++ b/drivers/net/cnic.c
@@ -667,14 +667,14 @@ static void cnic_free_dma(struct cnic_dev *dev, struct cnic_dma *dma)
 
 	for (i = 0; i < dma->num_pages; i++) {
 		if (dma->pg_arr[i]) {
-			pci_free_consistent(dev->pcidev, BCM_PAGE_SIZE,
-					    dma->pg_arr[i], dma->pg_map_arr[i]);
+			dma_free_coherent(&dev->pcidev->dev, BCM_PAGE_SIZE,
+					  dma->pg_arr[i], dma->pg_map_arr[i]);
 			dma->pg_arr[i] = NULL;
 		}
 	}
 	if (dma->pgtbl) {
-		pci_free_consistent(dev->pcidev, dma->pgtbl_size,
-				    dma->pgtbl, dma->pgtbl_map);
+		dma_free_coherent(&dev->pcidev->dev, dma->pgtbl_size,
+				  dma->pgtbl, dma->pgtbl_map);
 		dma->pgtbl = NULL;
 	}
 	kfree(dma->pg_arr);
@@ -725,9 +725,10 @@ static int cnic_alloc_dma(struct cnic_dev *dev, struct cnic_dma *dma,
 	dma->num_pages = pages;
 
 	for (i = 0; i < pages; i++) {
-		dma->pg_arr[i] = pci_alloc_consistent(dev->pcidev,
-						      BCM_PAGE_SIZE,
-						      &dma->pg_map_arr[i]);
+		dma->pg_arr[i] = dma_alloc_coherent(&dev->pcidev->dev,
+						    BCM_PAGE_SIZE,
+						    &dma->pg_map_arr[i],
+						    GFP_ATOMIC);
 		if (dma->pg_arr[i] == NULL)
 			goto error;
 	}
@@ -736,8 +737,8 @@ static int cnic_alloc_dma(struct cnic_dev *dev, struct cnic_dma *dma,
 
 	dma->pgtbl_size = ((pages * 8) + BCM_PAGE_SIZE - 1) &
 			  ~(BCM_PAGE_SIZE - 1);
-	dma->pgtbl = pci_alloc_consistent(dev->pcidev, dma->pgtbl_size,
-					  &dma->pgtbl_map);
+	dma->pgtbl = dma_alloc_coherent(&dev->pcidev->dev, dma->pgtbl_size,
+					&dma->pgtbl_map, GFP_ATOMIC);
 	if (dma->pgtbl == NULL)
 		goto error;
 
@@ -757,9 +758,9 @@ static void cnic_free_context(struct cnic_dev *dev)
 
 	for (i = 0; i < cp->ctx_blks; i++) {
 		if (cp->ctx_arr[i].ctx) {
-			pci_free_consistent(dev->pcidev, cp->ctx_blk_size,
-					    cp->ctx_arr[i].ctx,
-					    cp->ctx_arr[i].mapping);
+			dma_free_coherent(&dev->pcidev->dev, cp->ctx_blk_size,
+					  cp->ctx_arr[i].ctx,
+					  cp->ctx_arr[i].mapping);
 			cp->ctx_arr[i].ctx = NULL;
 		}
 	}
@@ -781,14 +782,14 @@ static void cnic_free_resc(struct cnic_dev *dev)
 	}
 
 	if (cp->l2_buf) {
-		pci_free_consistent(dev->pcidev, cp->l2_buf_size,
-				    cp->l2_buf, cp->l2_buf_map);
+		dma_free_coherent(&dev->pcidev->dev, cp->l2_buf_size,
+				  cp->l2_buf, cp->l2_buf_map);
 		cp->l2_buf = NULL;
 	}
 
 	if (cp->l2_ring) {
-		pci_free_consistent(dev->pcidev, cp->l2_ring_size,
-				    cp->l2_ring, cp->l2_ring_map);
+		dma_free_coherent(&dev->pcidev->dev, cp->l2_ring_size,
+				  cp->l2_ring, cp->l2_ring_map);
 		cp->l2_ring = NULL;
 	}
 
@@ -849,8 +850,10 @@ static int cnic_alloc_context(struct cnic_dev *dev)
 
 		for (i = 0; i < cp->ctx_blks; i++) {
 			cp->ctx_arr[i].ctx =
-				pci_alloc_consistent(dev->pcidev, BCM_PAGE_SIZE,
-						     &cp->ctx_arr[i].mapping);
+				dma_alloc_coherent(&dev->pcidev->dev,
+						   BCM_PAGE_SIZE,
+						   &cp->ctx_arr[i].mapping,
+						   GFP_KERNEL);
 			if (cp->ctx_arr[i].ctx == NULL)
 				return -ENOMEM;
 		}
@@ -863,15 +866,17 @@ static int cnic_alloc_l2_rings(struct cnic_dev *dev, int pages)
 	struct cnic_local *cp = dev->cnic_priv;
 
 	cp->l2_ring_size = pages * BCM_PAGE_SIZE;
-	cp->l2_ring = pci_alloc_consistent(dev->pcidev, cp->l2_ring_size,
-					   &cp->l2_ring_map);
+	cp->l2_ring = dma_alloc_coherent(&dev->pcidev->dev, cp->l2_ring_size,
+					 &cp->l2_ring_map,
+					 GFP_KERNEL | __GFP_COMP);
 	if (!cp->l2_ring)
 		return -ENOMEM;
 
 	cp->l2_buf_size = (cp->l2_rx_ring_size + 1) * cp->l2_single_buf_size;
 	cp->l2_buf_size = PAGE_ALIGN(cp->l2_buf_size);
-	cp->l2_buf = pci_alloc_consistent(dev->pcidev, cp->l2_buf_size,
-					   &cp->l2_buf_map);
+	cp->l2_buf = dma_alloc_coherent(&dev->pcidev->dev, cp->l2_buf_size,
+					&cp->l2_buf_map,
+					GFP_KERNEL | __GFP_COMP);
 	if (!cp->l2_buf)
 		return -ENOMEM;
 
@@ -1006,8 +1011,9 @@ static int cnic_alloc_bnx2x_context(struct cnic_dev *dev)
 
 	for (i = 0; i < blks; i++) {
 		cp->ctx_arr[i].ctx =
-			pci_alloc_consistent(dev->pcidev, cp->ctx_blk_size,
-					     &cp->ctx_arr[i].mapping);
+			dma_alloc_coherent(&dev->pcidev->dev, cp->ctx_blk_size,
+					   &cp->ctx_arr[i].mapping,
+					   GFP_KERNEL);
 		if (cp->ctx_arr[i].ctx == NULL)
 			return -ENOMEM;
 
-- 
GitLab


From e6b4d11367519bc71729c09d05a126b133c755be Mon Sep 17 00:00:00 2001
From: William Allen Simpson <william.allen.simpson@gmail.com>
Date: Wed, 2 Dec 2009 18:07:39 +0000
Subject: [PATCH 1723/1815] TCPCT part 1a: add request_values parameter for
 sending SYNACK

Add optional function parameters associated with sending SYNACK.
These parameters are not needed after sending SYNACK, and are not
used for retransmission.  Avoids extending struct tcp_request_sock,
and avoids allocating kernel memory.

Also affects DCCP as it uses common struct request_sock_ops,
but this parameter is currently reserved for future use.

Signed-off-by: William.Allen.Simpson@gmail.com
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/request_sock.h      |  8 +++++++-
 include/net/tcp.h               |  3 ++-
 net/dccp/ipv4.c                 |  5 +++--
 net/dccp/ipv6.c                 |  5 +++--
 net/dccp/minisocks.c            |  2 +-
 net/ipv4/inet_connection_sock.c |  2 +-
 net/ipv4/tcp_ipv4.c             | 18 ++++++++++--------
 net/ipv4/tcp_minisocks.c        |  2 +-
 net/ipv4/tcp_output.c           |  3 ++-
 net/ipv6/tcp_ipv6.c             | 27 ++++++++++++---------------
 10 files changed, 42 insertions(+), 33 deletions(-)

diff --git a/include/net/request_sock.h b/include/net/request_sock.h
index c7190846e12..c9b50ebd9ce 100644
--- a/include/net/request_sock.h
+++ b/include/net/request_sock.h
@@ -27,13 +27,19 @@ struct sk_buff;
 struct dst_entry;
 struct proto;
 
+/* empty to "strongly type" an otherwise void parameter.
+ */
+struct request_values {
+};
+
 struct request_sock_ops {
 	int		family;
 	int		obj_size;
 	struct kmem_cache	*slab;
 	char		*slab_name;
 	int		(*rtx_syn_ack)(struct sock *sk,
-				       struct request_sock *req);
+				       struct request_sock *req,
+				       struct request_values *rvp);
 	void		(*send_ack)(struct sock *sk, struct sk_buff *skb,
 				    struct request_sock *req);
 	void		(*send_reset)(struct sock *sk,
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 325bfcf5c93..ec183fda05d 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -440,7 +440,8 @@ extern int			tcp_connect(struct sock *sk);
 
 extern struct sk_buff *		tcp_make_synack(struct sock *sk,
 						struct dst_entry *dst,
-						struct request_sock *req);
+						struct request_sock *req,
+						struct request_values *rvp);
 
 extern int			tcp_disconnect(struct sock *sk, int flags);
 
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index 2423a086673..efbcfdc1279 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -477,7 +477,8 @@ static struct dst_entry* dccp_v4_route_skb(struct net *net, struct sock *sk,
 	return &rt->u.dst;
 }
 
-static int dccp_v4_send_response(struct sock *sk, struct request_sock *req)
+static int dccp_v4_send_response(struct sock *sk, struct request_sock *req,
+				 struct request_values *rv_unused)
 {
 	int err = -1;
 	struct sk_buff *skb;
@@ -626,7 +627,7 @@ int dccp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
 	dreq->dreq_iss	   = dccp_v4_init_sequence(skb);
 	dreq->dreq_service = service;
 
-	if (dccp_v4_send_response(sk, req))
+	if (dccp_v4_send_response(sk, req, NULL))
 		goto drop_and_free;
 
 	inet_csk_reqsk_queue_hash_add(sk, req, DCCP_TIMEOUT_INIT);
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 50ea91a7770..6574215a1f5 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -241,7 +241,8 @@ out:
 }
 
 
-static int dccp_v6_send_response(struct sock *sk, struct request_sock *req)
+static int dccp_v6_send_response(struct sock *sk, struct request_sock *req,
+				 struct request_values *rv_unused)
 {
 	struct inet6_request_sock *ireq6 = inet6_rsk(req);
 	struct ipv6_pinfo *np = inet6_sk(sk);
@@ -468,7 +469,7 @@ static int dccp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
 	dreq->dreq_iss	   = dccp_v6_init_sequence(skb);
 	dreq->dreq_service = service;
 
-	if (dccp_v6_send_response(sk, req))
+	if (dccp_v6_send_response(sk, req, NULL))
 		goto drop_and_free;
 
 	inet6_csk_reqsk_queue_hash_add(sk, req, DCCP_TIMEOUT_INIT);
diff --git a/net/dccp/minisocks.c b/net/dccp/minisocks.c
index 5ca49cec95f..af226a06314 100644
--- a/net/dccp/minisocks.c
+++ b/net/dccp/minisocks.c
@@ -184,7 +184,7 @@ struct sock *dccp_check_req(struct sock *sk, struct sk_buff *skb,
 			 * counter (backoff, monitored by dccp_response_timer).
 			 */
 			req->retrans++;
-			req->rsk_ops->rtx_syn_ack(sk, req);
+			req->rsk_ops->rtx_syn_ack(sk, req, NULL);
 		}
 		/* Network Duplicate, discard packet */
 		return NULL;
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 9b35c56d102..ee16475f8fc 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -531,7 +531,7 @@ void inet_csk_reqsk_queue_prune(struct sock *parent,
 					       &expire, &resend);
 				if (!expire &&
 				    (!resend ||
-				     !req->rsk_ops->rtx_syn_ack(parent, req) ||
+				     !req->rsk_ops->rtx_syn_ack(parent, req, NULL) ||
 				     inet_rsk(req)->acked)) {
 					unsigned long timeo;
 
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index df18ce04f41..649a36d99c7 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -742,8 +742,9 @@ static void tcp_v4_reqsk_send_ack(struct sock *sk, struct sk_buff *skb,
  *	This still operates on a request_sock only, not on a big
  *	socket.
  */
-static int __tcp_v4_send_synack(struct sock *sk, struct request_sock *req,
-				struct dst_entry *dst)
+static int __tcp_v4_send_synack(struct sock *sk, struct dst_entry *dst,
+				struct request_sock *req,
+				struct request_values *rvp)
 {
 	const struct inet_request_sock *ireq = inet_rsk(req);
 	int err = -1;
@@ -753,7 +754,7 @@ static int __tcp_v4_send_synack(struct sock *sk, struct request_sock *req,
 	if (!dst && (dst = inet_csk_route_req(sk, req)) == NULL)
 		return -1;
 
-	skb = tcp_make_synack(sk, dst, req);
+	skb = tcp_make_synack(sk, dst, req, rvp);
 
 	if (skb) {
 		struct tcphdr *th = tcp_hdr(skb);
@@ -774,9 +775,10 @@ static int __tcp_v4_send_synack(struct sock *sk, struct request_sock *req,
 	return err;
 }
 
-static int tcp_v4_send_synack(struct sock *sk, struct request_sock *req)
+static int tcp_v4_send_synack(struct sock *sk, struct request_sock *req,
+			      struct request_values *rvp)
 {
-	return __tcp_v4_send_synack(sk, req, NULL);
+	return __tcp_v4_send_synack(sk, NULL, req, rvp);
 }
 
 /*
@@ -1211,13 +1213,13 @@ static struct timewait_sock_ops tcp_timewait_sock_ops = {
 
 int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
 {
-	struct inet_request_sock *ireq;
 	struct tcp_options_received tmp_opt;
 	struct request_sock *req;
+	struct inet_request_sock *ireq;
+	struct dst_entry *dst = NULL;
 	__be32 saddr = ip_hdr(skb)->saddr;
 	__be32 daddr = ip_hdr(skb)->daddr;
 	__u32 isn = TCP_SKB_CB(skb)->when;
-	struct dst_entry *dst = NULL;
 #ifdef CONFIG_SYN_COOKIES
 	int want_cookie = 0;
 #else
@@ -1337,7 +1339,7 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
 	}
 	tcp_rsk(req)->snt_isn = isn;
 
-	if (__tcp_v4_send_synack(sk, req, dst) || want_cookie)
+	if (__tcp_v4_send_synack(sk, dst, req, NULL) || want_cookie)
 		goto drop_and_free;
 
 	inet_csk_reqsk_queue_hash_add(sk, req, TCP_TIMEOUT_INIT);
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index ab32c181f74..d3f6bbfc76f 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -531,7 +531,7 @@ struct sock *tcp_check_req(struct sock *sk, struct sk_buff *skb,
 		 * Enforce "SYN-ACK" according to figure 8, figure 6
 		 * of RFC793, fixed by RFC1122.
 		 */
-		req->rsk_ops->rtx_syn_ack(sk, req);
+		req->rsk_ops->rtx_syn_ack(sk, req, NULL);
 		return NULL;
 	}
 
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 875bc6dcd92..b8b25049f25 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -2224,7 +2224,8 @@ int tcp_send_synack(struct sock *sk)
 
 /* Prepare a SYN-ACK. */
 struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
-				struct request_sock *req)
+				struct request_sock *req,
+				struct request_values *rvp)
 {
 	struct inet_request_sock *ireq = inet_rsk(req);
 	struct tcp_sock *tp = tcp_sk(sk);
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index de709091b26..da6e24416d7 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -461,7 +461,8 @@ out:
 }
 
 
-static int tcp_v6_send_synack(struct sock *sk, struct request_sock *req)
+static int tcp_v6_send_synack(struct sock *sk, struct request_sock *req,
+			      struct request_values *rvp)
 {
 	struct inet6_request_sock *treq = inet6_rsk(req);
 	struct ipv6_pinfo *np = inet6_sk(sk);
@@ -499,7 +500,7 @@ static int tcp_v6_send_synack(struct sock *sk, struct request_sock *req)
 	if ((err = xfrm_lookup(sock_net(sk), &dst, &fl, sk, 0)) < 0)
 		goto done;
 
-	skb = tcp_make_synack(sk, dst, req);
+	skb = tcp_make_synack(sk, dst, req, rvp);
 	if (skb) {
 		struct tcphdr *th = tcp_hdr(skb);
 
@@ -1161,13 +1162,13 @@ static struct sock *tcp_v6_hnd_req(struct sock *sk,struct sk_buff *skb)
  */
 static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
 {
+	struct tcp_options_received tmp_opt;
+	struct request_sock *req;
 	struct inet6_request_sock *treq;
 	struct ipv6_pinfo *np = inet6_sk(sk);
-	struct tcp_options_received tmp_opt;
 	struct tcp_sock *tp = tcp_sk(sk);
-	struct request_sock *req = NULL;
-	__u32 isn = TCP_SKB_CB(skb)->when;
 	struct dst_entry *dst = __sk_dst_get(sk);
+	__u32 isn = TCP_SKB_CB(skb)->when;
 #ifdef CONFIG_SYN_COOKIES
 	int want_cookie = 0;
 #else
@@ -1239,23 +1240,19 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
 
 		isn = tcp_v6_init_sequence(skb);
 	}
-
 	tcp_rsk(req)->snt_isn = isn;
 
 	security_inet_conn_request(sk, skb, req);
 
-	if (tcp_v6_send_synack(sk, req))
-		goto drop;
+	if (tcp_v6_send_synack(sk, req, NULL) || want_cookie)
+		goto drop_and_free;
 
-	if (!want_cookie) {
-		inet6_csk_reqsk_queue_hash_add(sk, req, TCP_TIMEOUT_INIT);
-		return 0;
-	}
+	inet6_csk_reqsk_queue_hash_add(sk, req, TCP_TIMEOUT_INIT);
+	return 0;
 
+drop_and_free:
+	reqsk_free(req);
 drop:
-	if (req)
-		reqsk_free(req);
-
 	return 0; /* don't send reset */
 }
 
-- 
GitLab


From da5c78c82629a167794436e4306b4cf1faddea90 Mon Sep 17 00:00:00 2001
From: William Allen Simpson <william.allen.simpson@gmail.com>
Date: Wed, 2 Dec 2009 18:12:09 +0000
Subject: [PATCH 1724/1815] TCPCT part 1b: generate Responder Cookie secret

Define (missing) hash message size for SHA1.

Define hashing size constants specific to TCP cookies.

Add new function: tcp_cookie_generator().

Maintain global secret values for tcp_cookie_generator().

This is a significantly revised implementation of earlier (15-year-old)
Photuris [RFC-2522] code for the KA9Q cooperative multitasking platform.

Linux RCU technique appears to be well-suited to this application, though
neither of the circular queue items are freed.

These functions will also be used in subsequent patches that implement
additional features.

Signed-off-by: William.Allen.Simpson@gmail.com
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/cryptohash.h |   1 +
 include/net/tcp.h          |   8 +++
 net/ipv4/tcp.c             | 140 +++++++++++++++++++++++++++++++++++++
 3 files changed, 149 insertions(+)

diff --git a/include/linux/cryptohash.h b/include/linux/cryptohash.h
index c118b2ad980..ec78a4bbe1d 100644
--- a/include/linux/cryptohash.h
+++ b/include/linux/cryptohash.h
@@ -2,6 +2,7 @@
 #define __CRYPTOHASH_H
 
 #define SHA_DIGEST_WORDS 5
+#define SHA_MESSAGE_BYTES (512 /*bits*/ / 8)
 #define SHA_WORKSPACE_WORDS 80
 
 void sha_init(__u32 *buf);
diff --git a/include/net/tcp.h b/include/net/tcp.h
index ec183fda05d..4a99a8e3912 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1478,6 +1478,14 @@ struct tcp_request_sock_ops {
 #endif
 };
 
+/* Using SHA1 for now, define some constants.
+ */
+#define COOKIE_DIGEST_WORDS (SHA_DIGEST_WORDS)
+#define COOKIE_MESSAGE_WORDS (SHA_MESSAGE_BYTES / 4)
+#define COOKIE_WORKSPACE_WORDS (COOKIE_DIGEST_WORDS + COOKIE_MESSAGE_WORDS)
+
+extern int tcp_cookie_generator(u32 *bakery);
+
 extern void tcp_v4_init(void);
 extern void tcp_init(void);
 
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 7d4648f8b3d..ba03ac80435 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -264,6 +264,7 @@
 #include <linux/cache.h>
 #include <linux/err.h>
 #include <linux/crypto.h>
+#include <linux/time.h>
 
 #include <net/icmp.h>
 #include <net/tcp.h>
@@ -2848,6 +2849,135 @@ EXPORT_SYMBOL(tcp_md5_hash_key);
 
 #endif
 
+/**
+ * Each Responder maintains up to two secret values concurrently for
+ * efficient secret rollover.  Each secret value has 4 states:
+ *
+ * Generating.  (tcp_secret_generating != tcp_secret_primary)
+ *    Generates new Responder-Cookies, but not yet used for primary
+ *    verification.  This is a short-term state, typically lasting only
+ *    one round trip time (RTT).
+ *
+ * Primary.  (tcp_secret_generating == tcp_secret_primary)
+ *    Used both for generation and primary verification.
+ *
+ * Retiring.  (tcp_secret_retiring != tcp_secret_secondary)
+ *    Used for verification, until the first failure that can be
+ *    verified by the newer Generating secret.  At that time, this
+ *    cookie's state is changed to Secondary, and the Generating
+ *    cookie's state is changed to Primary.  This is a short-term state,
+ *    typically lasting only one round trip time (RTT).
+ *
+ * Secondary.  (tcp_secret_retiring == tcp_secret_secondary)
+ *    Used for secondary verification, after primary verification
+ *    failures.  This state lasts no more than twice the Maximum Segment
+ *    Lifetime (2MSL).  Then, the secret is discarded.
+ */
+struct tcp_cookie_secret {
+	/* The secret is divided into two parts.  The digest part is the
+	 * equivalent of previously hashing a secret and saving the state,
+	 * and serves as an initialization vector (IV).  The message part
+	 * serves as the trailing secret.
+	 */
+	u32				secrets[COOKIE_WORKSPACE_WORDS];
+	unsigned long			expires;
+};
+
+#define TCP_SECRET_1MSL (HZ * TCP_PAWS_MSL)
+#define TCP_SECRET_2MSL (HZ * TCP_PAWS_MSL * 2)
+#define TCP_SECRET_LIFE (HZ * 600)
+
+static struct tcp_cookie_secret tcp_secret_one;
+static struct tcp_cookie_secret tcp_secret_two;
+
+/* Essentially a circular list, without dynamic allocation. */
+static struct tcp_cookie_secret *tcp_secret_generating;
+static struct tcp_cookie_secret *tcp_secret_primary;
+static struct tcp_cookie_secret *tcp_secret_retiring;
+static struct tcp_cookie_secret *tcp_secret_secondary;
+
+static DEFINE_SPINLOCK(tcp_secret_locker);
+
+/* Select a pseudo-random word in the cookie workspace.
+ */
+static inline u32 tcp_cookie_work(const u32 *ws, const int n)
+{
+	return ws[COOKIE_DIGEST_WORDS + ((COOKIE_MESSAGE_WORDS-1) & ws[n])];
+}
+
+/* Fill bakery[COOKIE_WORKSPACE_WORDS] with generator, updating as needed.
+ * Called in softirq context.
+ * Returns: 0 for success.
+ */
+int tcp_cookie_generator(u32 *bakery)
+{
+	unsigned long jiffy = jiffies;
+
+	if (unlikely(time_after_eq(jiffy, tcp_secret_generating->expires))) {
+		spin_lock_bh(&tcp_secret_locker);
+		if (!time_after_eq(jiffy, tcp_secret_generating->expires)) {
+			/* refreshed by another */
+			memcpy(bakery,
+			       &tcp_secret_generating->secrets[0],
+			       COOKIE_WORKSPACE_WORDS);
+		} else {
+			/* still needs refreshing */
+			get_random_bytes(bakery, COOKIE_WORKSPACE_WORDS);
+
+			/* The first time, paranoia assumes that the
+			 * randomization function isn't as strong.  But,
+			 * this secret initialization is delayed until
+			 * the last possible moment (packet arrival).
+			 * Although that time is observable, it is
+			 * unpredictably variable.  Mash in the most
+			 * volatile clock bits available, and expire the
+			 * secret extra quickly.
+			 */
+			if (unlikely(tcp_secret_primary->expires ==
+				     tcp_secret_secondary->expires)) {
+				struct timespec tv;
+
+				getnstimeofday(&tv);
+				bakery[COOKIE_DIGEST_WORDS+0] ^=
+					(u32)tv.tv_nsec;
+
+				tcp_secret_secondary->expires = jiffy
+					+ TCP_SECRET_1MSL
+					+ (0x0f & tcp_cookie_work(bakery, 0));
+			} else {
+				tcp_secret_secondary->expires = jiffy
+					+ TCP_SECRET_LIFE
+					+ (0xff & tcp_cookie_work(bakery, 1));
+				tcp_secret_primary->expires = jiffy
+					+ TCP_SECRET_2MSL
+					+ (0x1f & tcp_cookie_work(bakery, 2));
+			}
+			memcpy(&tcp_secret_secondary->secrets[0],
+			       bakery, COOKIE_WORKSPACE_WORDS);
+
+			rcu_assign_pointer(tcp_secret_generating,
+					   tcp_secret_secondary);
+			rcu_assign_pointer(tcp_secret_retiring,
+					   tcp_secret_primary);
+			/*
+			 * Neither call_rcu() nor synchronize_rcu() needed.
+			 * Retiring data is not freed.  It is replaced after
+			 * further (locked) pointer updates, and a quiet time
+			 * (minimum 1MSL, maximum LIFE - 2MSL).
+			 */
+		}
+		spin_unlock_bh(&tcp_secret_locker);
+	} else {
+		rcu_read_lock_bh();
+		memcpy(bakery,
+		       &rcu_dereference(tcp_secret_generating)->secrets[0],
+		       COOKIE_WORKSPACE_WORDS);
+		rcu_read_unlock_bh();
+	}
+	return 0;
+}
+EXPORT_SYMBOL(tcp_cookie_generator);
+
 void tcp_done(struct sock *sk)
 {
 	if (sk->sk_state == TCP_SYN_SENT || sk->sk_state == TCP_SYN_RECV)
@@ -2882,6 +3012,7 @@ void __init tcp_init(void)
 	struct sk_buff *skb = NULL;
 	unsigned long nr_pages, limit;
 	int order, i, max_share;
+	unsigned long jiffy = jiffies;
 
 	BUILD_BUG_ON(sizeof(struct tcp_skb_cb) > sizeof(skb->cb));
 
@@ -2975,6 +3106,15 @@ void __init tcp_init(void)
 	       tcp_hashinfo.ehash_mask + 1, tcp_hashinfo.bhash_size);
 
 	tcp_register_congestion_control(&tcp_reno);
+
+	memset(&tcp_secret_one.secrets[0], 0, sizeof(tcp_secret_one.secrets));
+	memset(&tcp_secret_two.secrets[0], 0, sizeof(tcp_secret_two.secrets));
+	tcp_secret_one.expires = jiffy; /* past due */
+	tcp_secret_two.expires = jiffy; /* past due */
+	tcp_secret_generating = &tcp_secret_one;
+	tcp_secret_primary = &tcp_secret_one;
+	tcp_secret_retiring = &tcp_secret_two;
+	tcp_secret_secondary = &tcp_secret_two;
 }
 
 EXPORT_SYMBOL(tcp_close);
-- 
GitLab


From 519855c508b9a17878c0977a3cdefc09b59b30df Mon Sep 17 00:00:00 2001
From: William Allen Simpson <william.allen.simpson@gmail.com>
Date: Wed, 2 Dec 2009 18:14:19 +0000
Subject: [PATCH 1725/1815] TCPCT part 1c: sysctl_tcp_cookie_size, socket
 option TCP_COOKIE_TRANSACTIONS

Define sysctl (tcp_cookie_size) to turn on and off the cookie option
default globally, instead of a compiled configuration option.

Define per socket option (TCP_COOKIE_TRANSACTIONS) for setting constant
data values, retrieving variable cookie values, and other facilities.

Move inline tcp_clear_options() unchanged from net/tcp.h to linux/tcp.h,
near its corresponding struct tcp_options_received (prior to changes).

This is a straightforward re-implementation of an earlier (year-old)
patch that no longer applies cleanly, with permission of the original
author (Adam Langley):

    http://thread.gmane.org/gmane.linux.network/102586

These functions will also be used in subsequent patches that implement
additional features.

Requires:
   net: TCP_MSS_DEFAULT, TCP_MSS_DESIRED

Signed-off-by: William.Allen.Simpson@gmail.com
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 Documentation/networking/ip-sysctl.txt |  8 +++++++
 include/linux/tcp.h                    | 33 +++++++++++++++++++++++++-
 include/net/tcp.h                      |  6 +----
 net/ipv4/sysctl_net_ipv4.c             |  8 +++++++
 net/ipv4/tcp_output.c                  |  3 +++
 5 files changed, 52 insertions(+), 6 deletions(-)

diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 554440af675..989f5538b8d 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -164,6 +164,14 @@ tcp_congestion_control - STRING
 	additional choices may be available based on kernel configuration.
 	Default is set as part of kernel configuration.
 
+tcp_cookie_size - INTEGER
+	Default size of TCP Cookie Transactions (TCPCT) option, that may be
+	overridden on a per socket basis by the TCPCT socket option.
+	Values greater than the maximum (16) are interpreted as the maximum.
+	Values greater than zero and less than the minimum (8) are interpreted
+	as the minimum.  Odd values are interpreted as the next even value.
+	Default: 0 (off).
+
 tcp_dsack - BOOLEAN
 	Allows TCP to send "duplicate" SACKs.
 
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 32d7d77b4a0..eaa3113b378 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -102,7 +102,9 @@ enum {
 #define TCP_QUICKACK		12	/* Block/reenable quick acks */
 #define TCP_CONGESTION		13	/* Congestion control algorithm */
 #define TCP_MD5SIG		14	/* TCP MD5 Signature (RFC2385) */
+#define TCP_COOKIE_TRANSACTIONS	15	/* TCP Cookie Transactions */
 
+/* for TCP_INFO socket option */
 #define TCPI_OPT_TIMESTAMPS	1
 #define TCPI_OPT_SACK		2
 #define TCPI_OPT_WSCALE		4
@@ -174,6 +176,30 @@ struct tcp_md5sig {
 	__u8	tcpm_key[TCP_MD5SIG_MAXKEYLEN];		/* key (binary) */
 };
 
+/* for TCP_COOKIE_TRANSACTIONS (TCPCT) socket option */
+#define TCP_COOKIE_MIN		 8		/*  64-bits */
+#define TCP_COOKIE_MAX		16		/* 128-bits */
+#define TCP_COOKIE_PAIR_SIZE	(2*TCP_COOKIE_MAX)
+
+/* Flags for both getsockopt and setsockopt */
+#define TCP_COOKIE_IN_ALWAYS	(1 << 0)	/* Discard SYN without cookie */
+#define TCP_COOKIE_OUT_NEVER	(1 << 1)	/* Prohibit outgoing cookies,
+						 * supercedes everything. */
+
+/* Flags for getsockopt */
+#define TCP_S_DATA_IN		(1 << 2)	/* Was data received? */
+#define TCP_S_DATA_OUT		(1 << 3)	/* Was data sent? */
+
+/* TCP_COOKIE_TRANSACTIONS data */
+struct tcp_cookie_transactions {
+	__u16	tcpct_flags;			/* see above */
+	__u8	__tcpct_pad1;			/* zero */
+	__u8	tcpct_cookie_desired;		/* bytes */
+	__u16	tcpct_s_data_desired;		/* bytes of variable data */
+	__u16	tcpct_used;			/* bytes in value */
+	__u8	tcpct_value[TCP_MSS_DEFAULT];
+};
+
 #ifdef __KERNEL__
 
 #include <linux/skbuff.h>
@@ -227,6 +253,11 @@ struct tcp_options_received {
 	u16	mss_clamp;	/* Maximal mss, negotiated at connection setup */
 };
 
+static inline void tcp_clear_options(struct tcp_options_received *rx_opt)
+{
+	rx_opt->tstamp_ok = rx_opt->sack_ok = rx_opt->wscale_ok = rx_opt->snd_wscale = 0;
+}
+
 /* This is the max number of SACKS that we'll generate and process. It's safe
  * to increse this, although since:
  *   size = TCPOLEN_SACK_BASE_ALIGNED (4) + n * TCPOLEN_SACK_PERBLOCK (8)
@@ -435,6 +466,6 @@ static inline struct tcp_timewait_sock *tcp_twsk(const struct sock *sk)
 	return (struct tcp_timewait_sock *)sk;
 }
 
-#endif
+#endif	/* __KERNEL__ */
 
 #endif	/* _LINUX_TCP_H */
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 4a99a8e3912..738b65f01e2 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -234,6 +234,7 @@ extern int sysctl_tcp_base_mss;
 extern int sysctl_tcp_workaround_signed_windows;
 extern int sysctl_tcp_slow_start_after_idle;
 extern int sysctl_tcp_max_ssthresh;
+extern int sysctl_tcp_cookie_size;
 
 extern atomic_t tcp_memory_allocated;
 extern struct percpu_counter tcp_sockets_allocated;
@@ -340,11 +341,6 @@ static inline void tcp_dec_quickack_mode(struct sock *sk,
 
 extern void tcp_enter_quickack_mode(struct sock *sk);
 
-static inline void tcp_clear_options(struct tcp_options_received *rx_opt)
-{
- 	rx_opt->tstamp_ok = rx_opt->sack_ok = rx_opt->wscale_ok = rx_opt->snd_wscale = 0;
-}
-
 #define	TCP_ECN_OK		1
 #define	TCP_ECN_QUEUE_CWR	2
 #define	TCP_ECN_DEMAND_CWR	4
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index c00323bae04..13f7ab6ad6a 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -712,6 +712,14 @@ static struct ctl_table ipv4_table[] = {
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec,
 	},
+	{
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "tcp_cookie_size",
+		.data		= &sysctl_tcp_cookie_size,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= proc_dointvec
+	},
 	{
 		.ctl_name	= CTL_UNNUMBERED,
 		.procname	= "udp_mem",
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index b8b25049f25..307f318fe93 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -59,6 +59,9 @@ int sysctl_tcp_base_mss __read_mostly = 512;
 /* By default, RFC2861 behavior.  */
 int sysctl_tcp_slow_start_after_idle __read_mostly = 1;
 
+int sysctl_tcp_cookie_size __read_mostly = 0; /* TCP_COOKIE_MAX */
+
+
 /* Account for new data that has been sent to the network. */
 static void tcp_event_new_data_sent(struct sock *sk, struct sk_buff *skb)
 {
-- 
GitLab


From 435cf559f02ea3a3159eb316f97dc88bdebe9432 Mon Sep 17 00:00:00 2001
From: William Allen Simpson <william.allen.simpson@gmail.com>
Date: Wed, 2 Dec 2009 18:17:05 +0000
Subject: [PATCH 1726/1815] TCPCT part 1d: define TCP cookie option, extend
 existing struct's

Data structures are carefully composed to require minimal additions.
For example, the struct tcp_options_received cookie_plus variable fits
between existing 16-bit and 8-bit variables, requiring no additional
space (taking alignment into consideration).  There are no additions to
tcp_request_sock, and only 1 pointer in tcp_sock.

This is a significantly revised implementation of an earlier (year-old)
patch that no longer applies cleanly, with permission of the original
author (Adam Langley):

    http://thread.gmane.org/gmane.linux.network/102586

The principle difference is using a TCP option to carry the cookie nonce,
instead of a user configured offset in the data.  This is more flexible and
less subject to user configuration error.  Such a cookie option has been
suggested for many years, and is also useful without SYN data, allowing
several related concepts to use the same extension option.

    "Re: SYN floods (was: does history repeat itself?)", September 9, 1996.
    http://www.merit.net/mail.archives/nanog/1996-09/msg00235.html

    "Re: what a new TCP header might look like", May 12, 1998.
    ftp://ftp.isi.edu/end2end/end2end-interest-1998.mail

These functions will also be used in subsequent patches that implement
additional features.

Requires:
   TCPCT part 1a: add request_values parameter for sending SYNACK
   TCPCT part 1b: generate Responder Cookie secret
   TCPCT part 1c: sysctl_tcp_cookie_size, socket option TCP_COOKIE_TRANSACTIONS

Signed-off-by: William.Allen.Simpson@gmail.com
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/tcp.h      | 29 +++++++++++---
 include/net/tcp.h        | 83 ++++++++++++++++++++++++++++++++++++++++
 net/ipv4/tcp_ipv4.c      | 20 ++++++++++
 net/ipv4/tcp_minisocks.c | 46 ++++++++++++++++++----
 net/ipv6/tcp_ipv6.c      | 13 +++++++
 5 files changed, 177 insertions(+), 14 deletions(-)

diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index eaa3113b378..7fee8a4df93 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -247,31 +247,38 @@ struct tcp_options_received {
 		sack_ok : 4,	/* SACK seen on SYN packet		*/
 		snd_wscale : 4,	/* Window scaling received from sender	*/
 		rcv_wscale : 4;	/* Window scaling to send to receiver	*/
-/*	SACKs data	*/
+	u8	cookie_plus:6,	/* bytes in authenticator/cookie option	*/
+		cookie_out_never:1,
+		cookie_in_always:1;
 	u8	num_sacks;	/* Number of SACK blocks		*/
-	u16	user_mss;  	/* mss requested by user in ioctl */
+	u16	user_mss;	/* mss requested by user in ioctl	*/
 	u16	mss_clamp;	/* Maximal mss, negotiated at connection setup */
 };
 
 static inline void tcp_clear_options(struct tcp_options_received *rx_opt)
 {
-	rx_opt->tstamp_ok = rx_opt->sack_ok = rx_opt->wscale_ok = rx_opt->snd_wscale = 0;
+	rx_opt->tstamp_ok = rx_opt->sack_ok = 0;
+	rx_opt->wscale_ok = rx_opt->snd_wscale = 0;
+	rx_opt->cookie_plus = 0;
 }
 
 /* This is the max number of SACKS that we'll generate and process. It's safe
- * to increse this, although since:
+ * to increase this, although since:
  *   size = TCPOLEN_SACK_BASE_ALIGNED (4) + n * TCPOLEN_SACK_PERBLOCK (8)
  * only four options will fit in a standard TCP header */
 #define TCP_NUM_SACKS 4
 
+struct tcp_cookie_values;
+struct tcp_request_sock_ops;
+
 struct tcp_request_sock {
 	struct inet_request_sock 	req;
 #ifdef CONFIG_TCP_MD5SIG
 	/* Only used by TCP MD5 Signature so far. */
 	const struct tcp_request_sock_ops *af_specific;
 #endif
-	u32			 	rcv_isn;
-	u32			 	snt_isn;
+	u32				rcv_isn;
+	u32				snt_isn;
 };
 
 static inline struct tcp_request_sock *tcp_rsk(const struct request_sock *req)
@@ -441,6 +448,12 @@ struct tcp_sock {
 /* TCP MD5 Signature Option information */
 	struct tcp_md5sig_info	*md5sig_info;
 #endif
+
+	/* When the cookie options are generated and exchanged, then this
+	 * object holds a reference to them (cookie_values->kref).  Also
+	 * contains related tcp_cookie_transactions fields.
+	 */
+	struct tcp_cookie_values  *cookie_values;
 };
 
 static inline struct tcp_sock *tcp_sk(const struct sock *sk)
@@ -459,6 +472,10 @@ struct tcp_timewait_sock {
 	u16			  tw_md5_keylen;
 	u8			  tw_md5_key[TCP_MD5SIG_MAXKEYLEN];
 #endif
+	/* Few sockets in timewait have cookies; in that case, then this
+	 * object holds a reference to them (tw_cookie_values->kref).
+	 */
+	struct tcp_cookie_values  *tw_cookie_values;
 };
 
 static inline struct tcp_timewait_sock *tcp_twsk(const struct sock *sk)
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 738b65f01e2..f9abd9becab 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -30,6 +30,7 @@
 #include <linux/dmaengine.h>
 #include <linux/crypto.h>
 #include <linux/cryptohash.h>
+#include <linux/kref.h>
 
 #include <net/inet_connection_sock.h>
 #include <net/inet_timewait_sock.h>
@@ -164,6 +165,7 @@ extern void tcp_time_wait(struct sock *sk, int state, int timeo);
 #define TCPOPT_SACK             5       /* SACK Block */
 #define TCPOPT_TIMESTAMP	8	/* Better RTT estimations/PAWS */
 #define TCPOPT_MD5SIG		19	/* MD5 Signature (RFC2385) */
+#define TCPOPT_COOKIE		253	/* Cookie extension (experimental) */
 
 /*
  *     TCP option lengths
@@ -174,6 +176,10 @@ extern void tcp_time_wait(struct sock *sk, int state, int timeo);
 #define TCPOLEN_SACK_PERM      2
 #define TCPOLEN_TIMESTAMP      10
 #define TCPOLEN_MD5SIG         18
+#define TCPOLEN_COOKIE_BASE    2	/* Cookie-less header extension */
+#define TCPOLEN_COOKIE_PAIR    3	/* Cookie pair header extension */
+#define TCPOLEN_COOKIE_MIN     (TCPOLEN_COOKIE_BASE+TCP_COOKIE_MIN)
+#define TCPOLEN_COOKIE_MAX     (TCPOLEN_COOKIE_BASE+TCP_COOKIE_MAX)
 
 /* But this is what stacks really send out. */
 #define TCPOLEN_TSTAMP_ALIGNED		12
@@ -1482,6 +1488,83 @@ struct tcp_request_sock_ops {
 
 extern int tcp_cookie_generator(u32 *bakery);
 
+/**
+ *	struct tcp_cookie_values - each socket needs extra space for the
+ *	cookies, together with (optional) space for any SYN data.
+ *
+ *	A tcp_sock contains a pointer to the current value, and this is
+ *	cloned to the tcp_timewait_sock.
+ *
+ * @cookie_pair:	variable data from the option exchange.
+ *
+ * @cookie_desired:	user specified tcpct_cookie_desired.  Zero
+ *			indicates default (sysctl_tcp_cookie_size).
+ *			After cookie sent, remembers size of cookie.
+ *			Range 0, TCP_COOKIE_MIN to TCP_COOKIE_MAX.
+ *
+ * @s_data_desired:	user specified tcpct_s_data_desired.  When the
+ *			constant payload is specified (@s_data_constant),
+ *			holds its length instead.
+ *			Range 0 to TCP_MSS_DESIRED.
+ *
+ * @s_data_payload:	constant data that is to be included in the
+ *			payload of SYN or SYNACK segments when the
+ *			cookie option is present.
+ */
+struct tcp_cookie_values {
+	struct kref	kref;
+	u8		cookie_pair[TCP_COOKIE_PAIR_SIZE];
+	u8		cookie_pair_size;
+	u8		cookie_desired;
+	u16		s_data_desired:11,
+			s_data_constant:1,
+			s_data_in:1,
+			s_data_out:1,
+			s_data_unused:2;
+	u8		s_data_payload[0];
+};
+
+static inline void tcp_cookie_values_release(struct kref *kref)
+{
+	kfree(container_of(kref, struct tcp_cookie_values, kref));
+}
+
+/* The length of constant payload data.  Note that s_data_desired is
+ * overloaded, depending on s_data_constant: either the length of constant
+ * data (returned here) or the limit on variable data.
+ */
+static inline int tcp_s_data_size(const struct tcp_sock *tp)
+{
+	return (tp->cookie_values != NULL && tp->cookie_values->s_data_constant)
+		? tp->cookie_values->s_data_desired
+		: 0;
+}
+
+/**
+ *	struct tcp_extend_values - tcp_ipv?.c to tcp_output.c workspace.
+ *
+ *	As tcp_request_sock has already been extended in other places, the
+ *	only remaining method is to pass stack values along as function
+ *	parameters.  These parameters are not needed after sending SYNACK.
+ *
+ * @cookie_bakery:	cryptographic secret and message workspace.
+ *
+ * @cookie_plus:	bytes in authenticator/cookie option, copied from
+ *			struct tcp_options_received (above).
+ */
+struct tcp_extend_values {
+	struct request_values		rv;
+	u32				cookie_bakery[COOKIE_WORKSPACE_WORDS];
+	u8				cookie_plus:6,
+					cookie_out_never:1,
+					cookie_in_always:1;
+};
+
+static inline struct tcp_extend_values *tcp_xv(struct request_values *rvp)
+{
+	return (struct tcp_extend_values *)rvp;
+}
+
 extern void tcp_v4_init(void);
 extern void tcp_init(void);
 
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 649a36d99c7..a2bcac9b388 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1833,6 +1833,19 @@ static int tcp_v4_init_sock(struct sock *sk)
 	tp->af_specific = &tcp_sock_ipv4_specific;
 #endif
 
+	/* TCP Cookie Transactions */
+	if (sysctl_tcp_cookie_size > 0) {
+		/* Default, cookies without s_data_payload. */
+		tp->cookie_values =
+			kzalloc(sizeof(*tp->cookie_values),
+				sk->sk_allocation);
+		if (tp->cookie_values != NULL)
+			kref_init(&tp->cookie_values->kref);
+	}
+	/* Presumed zeroed, in order of appearance:
+	 *	cookie_in_always, cookie_out_never,
+	 *	s_data_constant, s_data_in, s_data_out
+	 */
 	sk->sk_sndbuf = sysctl_tcp_wmem[1];
 	sk->sk_rcvbuf = sysctl_tcp_rmem[1];
 
@@ -1886,6 +1899,13 @@ void tcp_v4_destroy_sock(struct sock *sk)
 		sk->sk_sndmsg_page = NULL;
 	}
 
+	/* TCP Cookie Transactions */
+	if (tp->cookie_values != NULL) {
+		kref_put(&tp->cookie_values->kref,
+			 tcp_cookie_values_release);
+		tp->cookie_values = NULL;
+	}
+
 	percpu_counter_dec(&tcp_sockets_allocated);
 }
 
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index d3f6bbfc76f..96852af43ca 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -383,14 +383,43 @@ struct sock *tcp_create_openreq_child(struct sock *sk, struct request_sock *req,
 		const struct inet_request_sock *ireq = inet_rsk(req);
 		struct tcp_request_sock *treq = tcp_rsk(req);
 		struct inet_connection_sock *newicsk = inet_csk(newsk);
-		struct tcp_sock *newtp;
+		struct tcp_sock *newtp = tcp_sk(newsk);
+		struct tcp_sock *oldtp = tcp_sk(sk);
+		struct tcp_cookie_values *oldcvp = oldtp->cookie_values;
+
+		/* TCP Cookie Transactions require space for the cookie pair,
+		 * as it differs for each connection.  There is no need to
+		 * copy any s_data_payload stored at the original socket.
+		 * Failure will prevent resuming the connection.
+		 *
+		 * Presumed copied, in order of appearance:
+		 *	cookie_in_always, cookie_out_never
+		 */
+		if (oldcvp != NULL) {
+			struct tcp_cookie_values *newcvp =
+				kzalloc(sizeof(*newtp->cookie_values),
+					GFP_ATOMIC);
+
+			if (newcvp != NULL) {
+				kref_init(&newcvp->kref);
+				newcvp->cookie_desired =
+						oldcvp->cookie_desired;
+				newtp->cookie_values = newcvp;
+			} else {
+				/* Not Yet Implemented */
+				newtp->cookie_values = NULL;
+			}
+		}
 
 		/* Now setup tcp_sock */
-		newtp = tcp_sk(newsk);
 		newtp->pred_flags = 0;
-		newtp->rcv_wup = newtp->copied_seq = newtp->rcv_nxt = treq->rcv_isn + 1;
-		newtp->snd_sml = newtp->snd_una = newtp->snd_nxt = treq->snt_isn + 1;
-		newtp->snd_up = treq->snt_isn + 1;
+
+		newtp->rcv_wup = newtp->copied_seq =
+		newtp->rcv_nxt = treq->rcv_isn + 1;
+
+		newtp->snd_sml = newtp->snd_una =
+		newtp->snd_nxt = newtp->snd_up =
+			treq->snt_isn + 1 + tcp_s_data_size(oldtp);
 
 		tcp_prequeue_init(newtp);
 
@@ -423,8 +452,8 @@ struct sock *tcp_create_openreq_child(struct sock *sk, struct request_sock *req,
 		tcp_set_ca_state(newsk, TCP_CA_Open);
 		tcp_init_xmit_timers(newsk);
 		skb_queue_head_init(&newtp->out_of_order_queue);
-		newtp->write_seq = treq->snt_isn + 1;
-		newtp->pushed_seq = newtp->write_seq;
+		newtp->write_seq = newtp->pushed_seq =
+			treq->snt_isn + 1 + tcp_s_data_size(oldtp);
 
 		newtp->rx_opt.saw_tstamp = 0;
 
@@ -590,7 +619,8 @@ struct sock *tcp_check_req(struct sock *sk, struct sk_buff *skb,
 	 * Invalid ACK: reset will be sent by listening socket
 	 */
 	if ((flg & TCP_FLAG_ACK) &&
-	    (TCP_SKB_CB(skb)->ack_seq != tcp_rsk(req)->snt_isn + 1))
+	    (TCP_SKB_CB(skb)->ack_seq !=
+	     tcp_rsk(req)->snt_isn + 1 + tcp_s_data_size(tcp_sk(sk))))
 		return sk;
 
 	/* Also, it would be not so bad idea to check rcv_tsecr, which
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index da6e24416d7..f2ec38289a4 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1864,6 +1864,19 @@ static int tcp_v6_init_sock(struct sock *sk)
 	tp->af_specific = &tcp_sock_ipv6_specific;
 #endif
 
+	/* TCP Cookie Transactions */
+	if (sysctl_tcp_cookie_size > 0) {
+		/* Default, cookies without s_data_payload. */
+		tp->cookie_values =
+			kzalloc(sizeof(*tp->cookie_values),
+				sk->sk_allocation);
+		if (tp->cookie_values != NULL)
+			kref_init(&tp->cookie_values->kref);
+	}
+	/* Presumed zeroed, in order of appearance:
+	 *	cookie_in_always, cookie_out_never,
+	 *	s_data_constant, s_data_in, s_data_out
+	 */
 	sk->sk_sndbuf = sysctl_tcp_wmem[1];
 	sk->sk_rcvbuf = sysctl_tcp_rmem[1];
 
-- 
GitLab


From e56fb50f2b7958b931c8a2fc0966061b3f3c8f3a Mon Sep 17 00:00:00 2001
From: William Allen Simpson <william.allen.simpson@gmail.com>
Date: Wed, 2 Dec 2009 18:19:30 +0000
Subject: [PATCH 1727/1815] TCPCT part 1e: implement socket option
 TCP_COOKIE_TRANSACTIONS

Provide per socket control of the TCP cookie option and SYN/SYNACK data.

This is a straightforward re-implementation of an earlier (year-old)
patch that no longer applies cleanly, with permission of the original
author (Adam Langley):

    http://thread.gmane.org/gmane.linux.network/102586

The principle difference is using a TCP option to carry the cookie nonce,
instead of a user configured offset in the data.

Allocations have been rearranged to avoid requiring GFP_ATOMIC.

Requires:
   net: TCP_MSS_DEFAULT, TCP_MSS_DESIRED
   TCPCT part 1c: sysctl_tcp_cookie_size, socket option TCP_COOKIE_TRANSACTIONS
   TCPCT part 1d: define TCP cookie option, extend existing struct's

Signed-off-by: William.Allen.Simpson@gmail.com
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/tcp.c | 133 ++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 131 insertions(+), 2 deletions(-)

diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index ba03ac80435..c8666b70cde 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2085,8 +2085,9 @@ static int do_tcp_setsockopt(struct sock *sk, int level,
 	int val;
 	int err = 0;
 
-	/* This is a string value all the others are int's */
-	if (optname == TCP_CONGESTION) {
+	/* These are data/string values, all the others are ints */
+	switch (optname) {
+	case TCP_CONGESTION: {
 		char name[TCP_CA_NAME_MAX];
 
 		if (optlen < 1)
@@ -2103,6 +2104,93 @@ static int do_tcp_setsockopt(struct sock *sk, int level,
 		release_sock(sk);
 		return err;
 	}
+	case TCP_COOKIE_TRANSACTIONS: {
+		struct tcp_cookie_transactions ctd;
+		struct tcp_cookie_values *cvp = NULL;
+
+		if (sizeof(ctd) > optlen)
+			return -EINVAL;
+		if (copy_from_user(&ctd, optval, sizeof(ctd)))
+			return -EFAULT;
+
+		if (ctd.tcpct_used > sizeof(ctd.tcpct_value) ||
+		    ctd.tcpct_s_data_desired > TCP_MSS_DESIRED)
+			return -EINVAL;
+
+		if (ctd.tcpct_cookie_desired == 0) {
+			/* default to global value */
+		} else if ((0x1 & ctd.tcpct_cookie_desired) ||
+			   ctd.tcpct_cookie_desired > TCP_COOKIE_MAX ||
+			   ctd.tcpct_cookie_desired < TCP_COOKIE_MIN) {
+			return -EINVAL;
+		}
+
+		if (TCP_COOKIE_OUT_NEVER & ctd.tcpct_flags) {
+			/* Supercedes all other values */
+			lock_sock(sk);
+			if (tp->cookie_values != NULL) {
+				kref_put(&tp->cookie_values->kref,
+					 tcp_cookie_values_release);
+				tp->cookie_values = NULL;
+			}
+			tp->rx_opt.cookie_in_always = 0; /* false */
+			tp->rx_opt.cookie_out_never = 1; /* true */
+			release_sock(sk);
+			return err;
+		}
+
+		/* Allocate ancillary memory before locking.
+		 */
+		if (ctd.tcpct_used > 0 ||
+		    (tp->cookie_values == NULL &&
+		     (sysctl_tcp_cookie_size > 0 ||
+		      ctd.tcpct_cookie_desired > 0 ||
+		      ctd.tcpct_s_data_desired > 0))) {
+			cvp = kzalloc(sizeof(*cvp) + ctd.tcpct_used,
+				      GFP_KERNEL);
+			if (cvp == NULL)
+				return -ENOMEM;
+		}
+		lock_sock(sk);
+		tp->rx_opt.cookie_in_always =
+			(TCP_COOKIE_IN_ALWAYS & ctd.tcpct_flags);
+		tp->rx_opt.cookie_out_never = 0; /* false */
+
+		if (tp->cookie_values != NULL) {
+			if (cvp != NULL) {
+				/* Changed values are recorded by a changed
+				 * pointer, ensuring the cookie will differ,
+				 * without separately hashing each value later.
+				 */
+				kref_put(&tp->cookie_values->kref,
+					 tcp_cookie_values_release);
+				kref_init(&cvp->kref);
+				tp->cookie_values = cvp;
+			} else {
+				cvp = tp->cookie_values;
+			}
+		}
+		if (cvp != NULL) {
+			cvp->cookie_desired = ctd.tcpct_cookie_desired;
+
+			if (ctd.tcpct_used > 0) {
+				memcpy(cvp->s_data_payload, ctd.tcpct_value,
+				       ctd.tcpct_used);
+				cvp->s_data_desired = ctd.tcpct_used;
+				cvp->s_data_constant = 1; /* true */
+			} else {
+				/* No constant payload data. */
+				cvp->s_data_desired = ctd.tcpct_s_data_desired;
+				cvp->s_data_constant = 0; /* false */
+			}
+		}
+		release_sock(sk);
+		return err;
+	}
+	default:
+		/* fallthru */
+		break;
+	};
 
 	if (optlen < sizeof(int))
 		return -EINVAL;
@@ -2427,6 +2515,47 @@ static int do_tcp_getsockopt(struct sock *sk, int level,
 		if (copy_to_user(optval, icsk->icsk_ca_ops->name, len))
 			return -EFAULT;
 		return 0;
+
+	case TCP_COOKIE_TRANSACTIONS: {
+		struct tcp_cookie_transactions ctd;
+		struct tcp_cookie_values *cvp = tp->cookie_values;
+
+		if (get_user(len, optlen))
+			return -EFAULT;
+		if (len < sizeof(ctd))
+			return -EINVAL;
+
+		memset(&ctd, 0, sizeof(ctd));
+		ctd.tcpct_flags = (tp->rx_opt.cookie_in_always ?
+				   TCP_COOKIE_IN_ALWAYS : 0)
+				| (tp->rx_opt.cookie_out_never ?
+				   TCP_COOKIE_OUT_NEVER : 0);
+
+		if (cvp != NULL) {
+			ctd.tcpct_flags |= (cvp->s_data_in ?
+					    TCP_S_DATA_IN : 0)
+					 | (cvp->s_data_out ?
+					    TCP_S_DATA_OUT : 0);
+
+			ctd.tcpct_cookie_desired = cvp->cookie_desired;
+			ctd.tcpct_s_data_desired = cvp->s_data_desired;
+
+			/* Cookie(s) saved, return as nonce */
+			if (sizeof(ctd.tcpct_value) < cvp->cookie_pair_size) {
+				/* impossible? */
+				return -EINVAL;
+			}
+			memcpy(&ctd.tcpct_value[0], &cvp->cookie_pair[0],
+			       cvp->cookie_pair_size);
+			ctd.tcpct_used = cvp->cookie_pair_size;
+		}
+
+		if (put_user(sizeof(ctd), optlen))
+			return -EFAULT;
+		if (copy_to_user(optval, &ctd, sizeof(ctd)))
+			return -EFAULT;
+		return 0;
+	}
 	default:
 		return -ENOPROTOOPT;
 	}
-- 
GitLab


From bd0388ae77075026d6a9f9eb6026dfd1d52ce0e9 Mon Sep 17 00:00:00 2001
From: William Allen Simpson <william.allen.simpson@gmail.com>
Date: Wed, 2 Dec 2009 18:23:05 +0000
Subject: [PATCH 1728/1815] TCPCT part 1f: Initiator Cookie => Responder

Calculate and format <SYN> TCP_COOKIE option.

This is a significantly revised implementation of an earlier (year-old)
patch that no longer applies cleanly, with permission of the original
author (Adam Langley):

    http://thread.gmane.org/gmane.linux.network/102586

Requires:
   TCPCT part 1c: sysctl_tcp_cookie_size, socket option TCP_COOKIE_TRANSACTIONS
   TCPCT part 1d: define TCP cookie option, extend existing struct's

Signed-off-by: William.Allen.Simpson@gmail.com
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/tcp_output.c | 193 +++++++++++++++++++++++++++++++++++-------
 1 file changed, 163 insertions(+), 30 deletions(-)

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 307f318fe93..35dd983a8a9 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -365,15 +365,45 @@ static inline int tcp_urg_mode(const struct tcp_sock *tp)
 #define OPTION_TS		(1 << 1)
 #define OPTION_MD5		(1 << 2)
 #define OPTION_WSCALE		(1 << 3)
+#define OPTION_COOKIE_EXTENSION	(1 << 4)
 
 struct tcp_out_options {
 	u8 options;		/* bit field of OPTION_* */
 	u8 ws;			/* window scale, 0 to disable */
 	u8 num_sack_blocks;	/* number of SACK blocks to include */
+	u8 hash_size;		/* bytes in hash_location */
 	u16 mss;		/* 0 to disable */
 	__u32 tsval, tsecr;	/* need to include OPTION_TS */
+	__u8 *hash_location;	/* temporary pointer, overloaded */
 };
 
+/* The sysctl int routines are generic, so check consistency here.
+ */
+static u8 tcp_cookie_size_check(u8 desired)
+{
+	if (desired > 0) {
+		/* previously specified */
+		return desired;
+	}
+	if (sysctl_tcp_cookie_size <= 0) {
+		/* no default specified */
+		return 0;
+	}
+	if (sysctl_tcp_cookie_size <= TCP_COOKIE_MIN) {
+		/* value too small, specify minimum */
+		return TCP_COOKIE_MIN;
+	}
+	if (sysctl_tcp_cookie_size >= TCP_COOKIE_MAX) {
+		/* value too large, specify maximum */
+		return TCP_COOKIE_MAX;
+	}
+	if (0x1 & sysctl_tcp_cookie_size) {
+		/* 8-bit multiple, illegal, fix it */
+		return (u8)(sysctl_tcp_cookie_size + 0x1);
+	}
+	return (u8)sysctl_tcp_cookie_size;
+}
+
 /* Write previously computed TCP options to the packet.
  *
  * Beware: Something in the Internet is very sensitive to the ordering of
@@ -388,17 +418,34 @@ struct tcp_out_options {
  * (but it may well be that other scenarios fail similarly).
  */
 static void tcp_options_write(__be32 *ptr, struct tcp_sock *tp,
-			      const struct tcp_out_options *opts,
-			      __u8 **md5_hash) {
-	if (unlikely(OPTION_MD5 & opts->options)) {
-		*ptr++ = htonl((TCPOPT_NOP << 24) |
-			       (TCPOPT_NOP << 16) |
-			       (TCPOPT_MD5SIG << 8) |
-			       TCPOLEN_MD5SIG);
-		*md5_hash = (__u8 *)ptr;
+			      struct tcp_out_options *opts)
+{
+	u8 options = opts->options;	/* mungable copy */
+
+	/* Having both authentication and cookies for security is redundant,
+	 * and there's certainly not enough room.  Instead, the cookie-less
+	 * extension variant is proposed.
+	 *
+	 * Consider the pessimal case with authentication.  The options
+	 * could look like:
+	 *   COOKIE|MD5(20) + MSS(4) + SACK|TS(12) + WSCALE(4) == 40
+	 */
+	if (unlikely(OPTION_MD5 & options)) {
+		if (unlikely(OPTION_COOKIE_EXTENSION & options)) {
+			*ptr++ = htonl((TCPOPT_COOKIE << 24) |
+				       (TCPOLEN_COOKIE_BASE << 16) |
+				       (TCPOPT_MD5SIG << 8) |
+				       TCPOLEN_MD5SIG);
+		} else {
+			*ptr++ = htonl((TCPOPT_NOP << 24) |
+				       (TCPOPT_NOP << 16) |
+				       (TCPOPT_MD5SIG << 8) |
+				       TCPOLEN_MD5SIG);
+		}
+		options &= ~OPTION_COOKIE_EXTENSION;
+		/* overload cookie hash location */
+		opts->hash_location = (__u8 *)ptr;
 		ptr += 4;
-	} else {
-		*md5_hash = NULL;
 	}
 
 	if (unlikely(opts->mss)) {
@@ -407,12 +454,13 @@ static void tcp_options_write(__be32 *ptr, struct tcp_sock *tp,
 			       opts->mss);
 	}
 
-	if (likely(OPTION_TS & opts->options)) {
-		if (unlikely(OPTION_SACK_ADVERTISE & opts->options)) {
+	if (likely(OPTION_TS & options)) {
+		if (unlikely(OPTION_SACK_ADVERTISE & options)) {
 			*ptr++ = htonl((TCPOPT_SACK_PERM << 24) |
 				       (TCPOLEN_SACK_PERM << 16) |
 				       (TCPOPT_TIMESTAMP << 8) |
 				       TCPOLEN_TIMESTAMP);
+			options &= ~OPTION_SACK_ADVERTISE;
 		} else {
 			*ptr++ = htonl((TCPOPT_NOP << 24) |
 				       (TCPOPT_NOP << 16) |
@@ -423,15 +471,52 @@ static void tcp_options_write(__be32 *ptr, struct tcp_sock *tp,
 		*ptr++ = htonl(opts->tsecr);
 	}
 
-	if (unlikely(OPTION_SACK_ADVERTISE & opts->options &&
-		     !(OPTION_TS & opts->options))) {
+	/* Specification requires after timestamp, so do it now.
+	 *
+	 * Consider the pessimal case without authentication.  The options
+	 * could look like:
+	 *   MSS(4) + SACK|TS(12) + COOKIE(20) + WSCALE(4) == 40
+	 */
+	if (unlikely(OPTION_COOKIE_EXTENSION & options)) {
+		__u8 *cookie_copy = opts->hash_location;
+		u8 cookie_size = opts->hash_size;
+
+		/* 8-bit multiple handled in tcp_cookie_size_check() above,
+		 * and elsewhere.
+		 */
+		if (0x2 & cookie_size) {
+			__u8 *p = (__u8 *)ptr;
+
+			/* 16-bit multiple */
+			*p++ = TCPOPT_COOKIE;
+			*p++ = TCPOLEN_COOKIE_BASE + cookie_size;
+			*p++ = *cookie_copy++;
+			*p++ = *cookie_copy++;
+			ptr++;
+			cookie_size -= 2;
+		} else {
+			/* 32-bit multiple */
+			*ptr++ = htonl(((TCPOPT_NOP << 24) |
+					(TCPOPT_NOP << 16) |
+					(TCPOPT_COOKIE << 8) |
+					TCPOLEN_COOKIE_BASE) +
+				       cookie_size);
+		}
+
+		if (cookie_size > 0) {
+			memcpy(ptr, cookie_copy, cookie_size);
+			ptr += (cookie_size / 4);
+		}
+	}
+
+	if (unlikely(OPTION_SACK_ADVERTISE & options)) {
 		*ptr++ = htonl((TCPOPT_NOP << 24) |
 			       (TCPOPT_NOP << 16) |
 			       (TCPOPT_SACK_PERM << 8) |
 			       TCPOLEN_SACK_PERM);
 	}
 
-	if (unlikely(OPTION_WSCALE & opts->options)) {
+	if (unlikely(OPTION_WSCALE & options)) {
 		*ptr++ = htonl((TCPOPT_NOP << 24) |
 			       (TCPOPT_WINDOW << 16) |
 			       (TCPOLEN_WINDOW << 8) |
@@ -466,14 +551,18 @@ static unsigned tcp_syn_options(struct sock *sk, struct sk_buff *skb,
 				struct tcp_out_options *opts,
 				struct tcp_md5sig_key **md5) {
 	struct tcp_sock *tp = tcp_sk(sk);
-	unsigned size = 0;
+	struct tcp_cookie_values *cvp = tp->cookie_values;
 	struct dst_entry *dst = __sk_dst_get(sk);
+	unsigned remaining = MAX_TCP_OPTION_SPACE;
+	u8 cookie_size = (!tp->rx_opt.cookie_out_never && cvp != NULL) ?
+			 tcp_cookie_size_check(cvp->cookie_desired) :
+			 0;
 
 #ifdef CONFIG_TCP_MD5SIG
 	*md5 = tp->af_specific->md5_lookup(sk, sk);
 	if (*md5) {
 		opts->options |= OPTION_MD5;
-		size += TCPOLEN_MD5SIG_ALIGNED;
+		remaining -= TCPOLEN_MD5SIG_ALIGNED;
 	}
 #else
 	*md5 = NULL;
@@ -489,7 +578,7 @@ static unsigned tcp_syn_options(struct sock *sk, struct sk_buff *skb,
 	 * SACKs don't matter, we never delay an ACK when we have any of those
 	 * going out.  */
 	opts->mss = tcp_advertise_mss(sk);
-	size += TCPOLEN_MSS_ALIGNED;
+	remaining -= TCPOLEN_MSS_ALIGNED;
 
 	if (likely(sysctl_tcp_timestamps &&
 		   !dst_feature(dst, RTAX_FEATURE_NO_TSTAMP) &&
@@ -497,22 +586,68 @@ static unsigned tcp_syn_options(struct sock *sk, struct sk_buff *skb,
 		opts->options |= OPTION_TS;
 		opts->tsval = TCP_SKB_CB(skb)->when;
 		opts->tsecr = tp->rx_opt.ts_recent;
-		size += TCPOLEN_TSTAMP_ALIGNED;
+		remaining -= TCPOLEN_TSTAMP_ALIGNED;
 	}
 	if (likely(sysctl_tcp_window_scaling &&
 		   !dst_feature(dst, RTAX_FEATURE_NO_WSCALE))) {
 		opts->ws = tp->rx_opt.rcv_wscale;
 		opts->options |= OPTION_WSCALE;
-		size += TCPOLEN_WSCALE_ALIGNED;
+		remaining -= TCPOLEN_WSCALE_ALIGNED;
 	}
 	if (likely(sysctl_tcp_sack &&
 		   !dst_feature(dst, RTAX_FEATURE_NO_SACK))) {
 		opts->options |= OPTION_SACK_ADVERTISE;
 		if (unlikely(!(OPTION_TS & opts->options)))
-			size += TCPOLEN_SACKPERM_ALIGNED;
+			remaining -= TCPOLEN_SACKPERM_ALIGNED;
 	}
 
-	return size;
+	/* Note that timestamps are required by the specification.
+	 *
+	 * Odd numbers of bytes are prohibited by the specification, ensuring
+	 * that the cookie is 16-bit aligned, and the resulting cookie pair is
+	 * 32-bit aligned.
+	 */
+	if (*md5 == NULL &&
+	    (OPTION_TS & opts->options) &&
+	    cookie_size > 0) {
+		int need = TCPOLEN_COOKIE_BASE + cookie_size;
+
+		if (0x2 & need) {
+			/* 32-bit multiple */
+			need += 2; /* NOPs */
+
+			if (need > remaining) {
+				/* try shrinking cookie to fit */
+				cookie_size -= 2;
+				need -= 4;
+			}
+		}
+		while (need > remaining && TCP_COOKIE_MIN <= cookie_size) {
+			cookie_size -= 4;
+			need -= 4;
+		}
+		if (TCP_COOKIE_MIN <= cookie_size) {
+			opts->options |= OPTION_COOKIE_EXTENSION;
+			opts->hash_location = (__u8 *)&cvp->cookie_pair[0];
+			opts->hash_size = cookie_size;
+
+			/* Remember for future incarnations. */
+			cvp->cookie_desired = cookie_size;
+
+			if (cvp->cookie_desired != cvp->cookie_pair_size) {
+				/* Currently use random bytes as a nonce,
+				 * assuming these are completely unpredictable
+				 * by hostile users of the same system.
+				 */
+				get_random_bytes(&cvp->cookie_pair[0],
+						 cookie_size);
+				cvp->cookie_pair_size = cookie_size;
+			}
+
+			remaining -= need;
+		}
+	}
+	return MAX_TCP_OPTION_SPACE - remaining;
 }
 
 /* Set up TCP options for SYN-ACKs. */
@@ -627,7 +762,6 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it,
 	struct tcp_out_options opts;
 	unsigned tcp_options_size, tcp_header_size;
 	struct tcp_md5sig_key *md5;
-	__u8 *md5_hash_location;
 	struct tcphdr *th;
 	int err;
 
@@ -698,7 +832,7 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it,
 		}
 	}
 
-	tcp_options_write((__be32 *)(th + 1), tp, &opts, &md5_hash_location);
+	tcp_options_write((__be32 *)(th + 1), tp, &opts);
 	if (likely((tcb->flags & TCPCB_FLAG_SYN) == 0))
 		TCP_ECN_send(sk, skb, tcp_header_size);
 
@@ -706,7 +840,7 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it,
 	/* Calculate the MD5 hash, as we have all we need now */
 	if (md5) {
 		sk->sk_route_caps &= ~NETIF_F_GSO_MASK;
-		tp->af_specific->calc_md5_hash(md5_hash_location,
+		tp->af_specific->calc_md5_hash(opts.hash_location,
 					       md5, sk, NULL, skb);
 	}
 #endif
@@ -2230,14 +2364,13 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
 				struct request_sock *req,
 				struct request_values *rvp)
 {
+	struct tcp_out_options opts;
 	struct inet_request_sock *ireq = inet_rsk(req);
 	struct tcp_sock *tp = tcp_sk(sk);
 	struct tcphdr *th;
-	int tcp_header_size;
-	struct tcp_out_options opts;
 	struct sk_buff *skb;
 	struct tcp_md5sig_key *md5;
-	__u8 *md5_hash_location;
+	int tcp_header_size;
 	int mss;
 
 	skb = sock_wmalloc(sk, MAX_TCP_HEADER + 15, 1, GFP_ATOMIC);
@@ -2298,14 +2431,14 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
 
 	/* RFC1323: The window in SYN & SYN/ACK segments is never scaled. */
 	th->window = htons(min(req->rcv_wnd, 65535U));
-	tcp_options_write((__be32 *)(th + 1), tp, &opts, &md5_hash_location);
+	tcp_options_write((__be32 *)(th + 1), tp, &opts);
 	th->doff = (tcp_header_size >> 2);
 	TCP_INC_STATS(sock_net(sk), TCP_MIB_OUTSEGS);
 
 #ifdef CONFIG_TCP_MD5SIG
 	/* Okay, we have all we need - do the md5 hash if needed */
 	if (md5) {
-		tcp_rsk(req)->af_specific->calc_md5_hash(md5_hash_location,
+		tcp_rsk(req)->af_specific->calc_md5_hash(opts.hash_location,
 					       md5, NULL, req, skb);
 	}
 #endif
-- 
GitLab


From 4957faade11b3a278c3b3cade3411ddc20afa791 Mon Sep 17 00:00:00 2001
From: William Allen Simpson <william.allen.simpson@gmail.com>
Date: Wed, 2 Dec 2009 18:25:27 +0000
Subject: [PATCH 1729/1815] TCPCT part 1g: Responder Cookie => Initiator

Parse incoming TCP_COOKIE option(s).

Calculate <SYN,ACK> TCP_COOKIE option.

Send optional <SYN,ACK> data.

This is a significantly revised implementation of an earlier (year-old)
patch that no longer applies cleanly, with permission of the original
author (Adam Langley):

    http://thread.gmane.org/gmane.linux.network/102586

Requires:
   TCPCT part 1a: add request_values parameter for sending SYNACK
   TCPCT part 1b: generate Responder Cookie secret
   TCPCT part 1c: sysctl_tcp_cookie_size, socket option TCP_COOKIE_TRANSACTIONS
   TCPCT part 1d: define TCP cookie option, extend existing struct's
   TCPCT part 1e: implement socket option TCP_COOKIE_TRANSACTIONS
   TCPCT part 1f: Initiator Cookie => Responder

Signed-off-by: William.Allen.Simpson@gmail.com
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/tcp.h        |   1 +
 net/ipv4/syncookies.c    |   5 +-
 net/ipv4/tcp_input.c     |  75 ++++++++++++++++++++++++----
 net/ipv4/tcp_ipv4.c      |  47 ++++++++++++++++--
 net/ipv4/tcp_minisocks.c |  14 +++---
 net/ipv4/tcp_output.c    | 103 ++++++++++++++++++++++++++++++++-------
 net/ipv6/syncookies.c    |   5 +-
 net/ipv6/tcp_ipv6.c      |  52 +++++++++++++++++++-
 8 files changed, 259 insertions(+), 43 deletions(-)

diff --git a/include/net/tcp.h b/include/net/tcp.h
index f9abd9becab..28b04ff8c96 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -407,6 +407,7 @@ extern int			tcp_recvmsg(struct kiocb *iocb, struct sock *sk,
 
 extern void			tcp_parse_options(struct sk_buff *skb,
 						  struct tcp_options_received *opt_rx,
+						  u8 **hvpp,
 						  int estab,
 						  struct dst_entry *dst);
 
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index 3146cc40174..26399ad2a28 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -253,6 +253,8 @@ EXPORT_SYMBOL(cookie_check_timestamp);
 struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb,
 			     struct ip_options *opt)
 {
+	struct tcp_options_received tcp_opt;
+	u8 *hash_location;
 	struct inet_request_sock *ireq;
 	struct tcp_request_sock *treq;
 	struct tcp_sock *tp = tcp_sk(sk);
@@ -263,7 +265,6 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb,
 	int mss;
 	struct rtable *rt;
 	__u8 rcv_wscale;
-	struct tcp_options_received tcp_opt;
 
 	if (!sysctl_tcp_syncookies || !th->ack)
 		goto out;
@@ -341,7 +342,7 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb,
 
 	/* check for timestamp cookie support */
 	memset(&tcp_opt, 0, sizeof(tcp_opt));
-	tcp_parse_options(skb, &tcp_opt, 0, &rt->u.dst);
+	tcp_parse_options(skb, &tcp_opt, &hash_location, 0, &rt->u.dst);
 
 	if (tcp_opt.saw_tstamp)
 		cookie_check_timestamp(&tcp_opt);
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index be166e0e11c..57ae96a0422 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -3698,7 +3698,7 @@ old_ack:
  * the fast version below fails.
  */
 void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx,
-		       int estab,  struct dst_entry *dst)
+		       u8 **hvpp, int estab,  struct dst_entry *dst)
 {
 	unsigned char *ptr;
 	struct tcphdr *th = tcp_hdr(skb);
@@ -3785,7 +3785,30 @@ void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx,
 				 */
 				break;
 #endif
-			}
+			case TCPOPT_COOKIE:
+				/* This option is variable length.
+				 */
+				switch (opsize) {
+				case TCPOLEN_COOKIE_BASE:
+					/* not yet implemented */
+					break;
+				case TCPOLEN_COOKIE_PAIR:
+					/* not yet implemented */
+					break;
+				case TCPOLEN_COOKIE_MIN+0:
+				case TCPOLEN_COOKIE_MIN+2:
+				case TCPOLEN_COOKIE_MIN+4:
+				case TCPOLEN_COOKIE_MIN+6:
+				case TCPOLEN_COOKIE_MAX:
+					/* 16-bit multiple */
+					opt_rx->cookie_plus = opsize;
+					*hvpp = ptr;
+				default:
+					/* ignore option */
+					break;
+				};
+				break;
+			};
 
 			ptr += opsize-2;
 			length -= opsize;
@@ -3813,17 +3836,20 @@ static int tcp_parse_aligned_timestamp(struct tcp_sock *tp, struct tcphdr *th)
  * If it is wrong it falls back on tcp_parse_options().
  */
 static int tcp_fast_parse_options(struct sk_buff *skb, struct tcphdr *th,
-				  struct tcp_sock *tp)
+				  struct tcp_sock *tp, u8 **hvpp)
 {
-	if (th->doff == sizeof(struct tcphdr) >> 2) {
+	/* In the spirit of fast parsing, compare doff directly to constant
+	 * values.  Because equality is used, short doff can be ignored here.
+	 */
+	if (th->doff == (sizeof(*th) / 4)) {
 		tp->rx_opt.saw_tstamp = 0;
 		return 0;
 	} else if (tp->rx_opt.tstamp_ok &&
-		   th->doff == (sizeof(struct tcphdr)>>2)+(TCPOLEN_TSTAMP_ALIGNED>>2)) {
+		   th->doff == ((sizeof(*th) + TCPOLEN_TSTAMP_ALIGNED) / 4)) {
 		if (tcp_parse_aligned_timestamp(tp, th))
 			return 1;
 	}
-	tcp_parse_options(skb, &tp->rx_opt, 1, NULL);
+	tcp_parse_options(skb, &tp->rx_opt, hvpp, 1, NULL);
 	return 1;
 }
 
@@ -5077,10 +5103,12 @@ out:
 static int tcp_validate_incoming(struct sock *sk, struct sk_buff *skb,
 			      struct tcphdr *th, int syn_inerr)
 {
+	u8 *hash_location;
 	struct tcp_sock *tp = tcp_sk(sk);
 
 	/* RFC1323: H1. Apply PAWS check first. */
-	if (tcp_fast_parse_options(skb, th, tp) && tp->rx_opt.saw_tstamp &&
+	if (tcp_fast_parse_options(skb, th, tp, &hash_location) &&
+	    tp->rx_opt.saw_tstamp &&
 	    tcp_paws_discard(sk, skb)) {
 		if (!th->rst) {
 			NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_PAWSESTABREJECTED);
@@ -5368,12 +5396,14 @@ discard:
 static int tcp_rcv_synsent_state_process(struct sock *sk, struct sk_buff *skb,
 					 struct tcphdr *th, unsigned len)
 {
-	struct tcp_sock *tp = tcp_sk(sk);
+	u8 *hash_location;
 	struct inet_connection_sock *icsk = inet_csk(sk);
-	int saved_clamp = tp->rx_opt.mss_clamp;
+	struct tcp_sock *tp = tcp_sk(sk);
 	struct dst_entry *dst = __sk_dst_get(sk);
+	struct tcp_cookie_values *cvp = tp->cookie_values;
+	int saved_clamp = tp->rx_opt.mss_clamp;
 
-	tcp_parse_options(skb, &tp->rx_opt, 0, dst);
+	tcp_parse_options(skb, &tp->rx_opt, &hash_location, 0, dst);
 
 	if (th->ack) {
 		/* rfc793:
@@ -5470,6 +5500,31 @@ static int tcp_rcv_synsent_state_process(struct sock *sk, struct sk_buff *skb,
 		 * Change state from SYN-SENT only after copied_seq
 		 * is initialized. */
 		tp->copied_seq = tp->rcv_nxt;
+
+		if (cvp != NULL &&
+		    cvp->cookie_pair_size > 0 &&
+		    tp->rx_opt.cookie_plus > 0) {
+			int cookie_size = tp->rx_opt.cookie_plus
+					- TCPOLEN_COOKIE_BASE;
+			int cookie_pair_size = cookie_size
+					     + cvp->cookie_desired;
+
+			/* A cookie extension option was sent and returned.
+			 * Note that each incoming SYNACK replaces the
+			 * Responder cookie.  The initial exchange is most
+			 * fragile, as protection against spoofing relies
+			 * entirely upon the sequence and timestamp (above).
+			 * This replacement strategy allows the correct pair to
+			 * pass through, while any others will be filtered via
+			 * Responder verification later.
+			 */
+			if (sizeof(cvp->cookie_pair) >= cookie_pair_size) {
+				memcpy(&cvp->cookie_pair[cvp->cookie_desired],
+				       hash_location, cookie_size);
+				cvp->cookie_pair_size = cookie_pair_size;
+			}
+		}
+
 		smp_mb();
 		tcp_set_state(sk, TCP_ESTABLISHED);
 
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index a2bcac9b388..59c911f3889 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1213,9 +1213,12 @@ static struct timewait_sock_ops tcp_timewait_sock_ops = {
 
 int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
 {
+	struct tcp_extend_values tmp_ext;
 	struct tcp_options_received tmp_opt;
+	u8 *hash_location;
 	struct request_sock *req;
 	struct inet_request_sock *ireq;
+	struct tcp_sock *tp = tcp_sk(sk);
 	struct dst_entry *dst = NULL;
 	__be32 saddr = ip_hdr(skb)->saddr;
 	__be32 daddr = ip_hdr(skb)->daddr;
@@ -1271,15 +1274,49 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
 
 	tcp_clear_options(&tmp_opt);
 	tmp_opt.mss_clamp = TCP_MSS_DEFAULT;
-	tmp_opt.user_mss  = tcp_sk(sk)->rx_opt.user_mss;
+	tmp_opt.user_mss  = tp->rx_opt.user_mss;
+	tcp_parse_options(skb, &tmp_opt, &hash_location, 0, dst);
+
+	if (tmp_opt.cookie_plus > 0 &&
+	    tmp_opt.saw_tstamp &&
+	    !tp->rx_opt.cookie_out_never &&
+	    (sysctl_tcp_cookie_size > 0 ||
+	     (tp->cookie_values != NULL &&
+	      tp->cookie_values->cookie_desired > 0))) {
+		u8 *c;
+		u32 *mess = &tmp_ext.cookie_bakery[COOKIE_DIGEST_WORDS];
+		int l = tmp_opt.cookie_plus - TCPOLEN_COOKIE_BASE;
+
+		if (tcp_cookie_generator(&tmp_ext.cookie_bakery[0]) != 0)
+			goto drop_and_release;
+
+		/* Secret recipe starts with IP addresses */
+		*mess++ ^= daddr;
+		*mess++ ^= saddr;
 
-	tcp_parse_options(skb, &tmp_opt, 0, dst);
+		/* plus variable length Initiator Cookie */
+		c = (u8 *)mess;
+		while (l-- > 0)
+			*c++ ^= *hash_location++;
+
+#ifdef CONFIG_SYN_COOKIES
+		want_cookie = 0;	/* not our kind of cookie */
+#endif
+		tmp_ext.cookie_out_never = 0; /* false */
+		tmp_ext.cookie_plus = tmp_opt.cookie_plus;
+	} else if (!tp->rx_opt.cookie_in_always) {
+		/* redundant indications, but ensure initialization. */
+		tmp_ext.cookie_out_never = 1; /* true */
+		tmp_ext.cookie_plus = 0;
+	} else {
+		goto drop_and_release;
+	}
+	tmp_ext.cookie_in_always = tp->rx_opt.cookie_in_always;
 
 	if (want_cookie && !tmp_opt.saw_tstamp)
 		tcp_clear_options(&tmp_opt);
 
 	tmp_opt.tstamp_ok = tmp_opt.saw_tstamp;
-
 	tcp_openreq_init(req, &tmp_opt, skb);
 
 	if (security_inet_conn_request(sk, skb, req))
@@ -1339,7 +1376,9 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
 	}
 	tcp_rsk(req)->snt_isn = isn;
 
-	if (__tcp_v4_send_synack(sk, dst, req, NULL) || want_cookie)
+	if (__tcp_v4_send_synack(sk, dst, req,
+				 (struct request_values *)&tmp_ext) ||
+	    want_cookie)
 		goto drop_and_free;
 
 	inet_csk_reqsk_queue_hash_add(sk, req, TCP_TIMEOUT_INIT);
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 96852af43ca..87accec8d09 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -90,13 +90,14 @@ enum tcp_tw_status
 tcp_timewait_state_process(struct inet_timewait_sock *tw, struct sk_buff *skb,
 			   const struct tcphdr *th)
 {
-	struct tcp_timewait_sock *tcptw = tcp_twsk((struct sock *)tw);
 	struct tcp_options_received tmp_opt;
+	u8 *hash_location;
+	struct tcp_timewait_sock *tcptw = tcp_twsk((struct sock *)tw);
 	int paws_reject = 0;
 
 	if (th->doff > (sizeof(*th) >> 2) && tcptw->tw_ts_recent_stamp) {
 		tmp_opt.tstamp_ok = 1;
-		tcp_parse_options(skb, &tmp_opt, 1, NULL);
+		tcp_parse_options(skb, &tmp_opt, &hash_location, 1, NULL);
 
 		if (tmp_opt.saw_tstamp) {
 			tmp_opt.ts_recent	= tcptw->tw_ts_recent;
@@ -518,15 +519,16 @@ struct sock *tcp_check_req(struct sock *sk, struct sk_buff *skb,
 			   struct request_sock *req,
 			   struct request_sock **prev)
 {
+	struct tcp_options_received tmp_opt;
+	u8 *hash_location;
+	struct sock *child;
 	const struct tcphdr *th = tcp_hdr(skb);
 	__be32 flg = tcp_flag_word(th) & (TCP_FLAG_RST|TCP_FLAG_SYN|TCP_FLAG_ACK);
 	int paws_reject = 0;
-	struct tcp_options_received tmp_opt;
-	struct sock *child;
 
-	if ((th->doff > (sizeof(struct tcphdr)>>2)) && (req->ts_recent)) {
+	if ((th->doff > (sizeof(*th) >> 2)) && (req->ts_recent)) {
 		tmp_opt.tstamp_ok = 1;
-		tcp_parse_options(skb, &tmp_opt, 1, NULL);
+		tcp_parse_options(skb, &tmp_opt, &hash_location, 1, NULL);
 
 		if (tmp_opt.saw_tstamp) {
 			tmp_opt.ts_recent = req->ts_recent;
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 35dd983a8a9..2ac8beff4d7 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -655,48 +655,77 @@ static unsigned tcp_synack_options(struct sock *sk,
 				   struct request_sock *req,
 				   unsigned mss, struct sk_buff *skb,
 				   struct tcp_out_options *opts,
-				   struct tcp_md5sig_key **md5) {
-	unsigned size = 0;
+				   struct tcp_md5sig_key **md5,
+				   struct tcp_extend_values *xvp)
+{
 	struct inet_request_sock *ireq = inet_rsk(req);
-	char doing_ts;
+	unsigned remaining = MAX_TCP_OPTION_SPACE;
+	u8 cookie_plus = (xvp != NULL && !xvp->cookie_out_never) ?
+			 xvp->cookie_plus :
+			 0;
+	bool doing_ts = ireq->tstamp_ok;
 
 #ifdef CONFIG_TCP_MD5SIG
 	*md5 = tcp_rsk(req)->af_specific->md5_lookup(sk, req);
 	if (*md5) {
 		opts->options |= OPTION_MD5;
-		size += TCPOLEN_MD5SIG_ALIGNED;
+		remaining -= TCPOLEN_MD5SIG_ALIGNED;
+
+		/* We can't fit any SACK blocks in a packet with MD5 + TS
+		 * options. There was discussion about disabling SACK
+		 * rather than TS in order to fit in better with old,
+		 * buggy kernels, but that was deemed to be unnecessary.
+		 */
+		doing_ts &= !ireq->sack_ok;
 	}
 #else
 	*md5 = NULL;
 #endif
 
-	/* we can't fit any SACK blocks in a packet with MD5 + TS
-	   options. There was discussion about disabling SACK rather than TS in
-	   order to fit in better with old, buggy kernels, but that was deemed
-	   to be unnecessary. */
-	doing_ts = ireq->tstamp_ok && !(*md5 && ireq->sack_ok);
-
+	/* We always send an MSS option. */
 	opts->mss = mss;
-	size += TCPOLEN_MSS_ALIGNED;
+	remaining -= TCPOLEN_MSS_ALIGNED;
 
 	if (likely(ireq->wscale_ok)) {
 		opts->ws = ireq->rcv_wscale;
 		opts->options |= OPTION_WSCALE;
-		size += TCPOLEN_WSCALE_ALIGNED;
+		remaining -= TCPOLEN_WSCALE_ALIGNED;
 	}
 	if (likely(doing_ts)) {
 		opts->options |= OPTION_TS;
 		opts->tsval = TCP_SKB_CB(skb)->when;
 		opts->tsecr = req->ts_recent;
-		size += TCPOLEN_TSTAMP_ALIGNED;
+		remaining -= TCPOLEN_TSTAMP_ALIGNED;
 	}
 	if (likely(ireq->sack_ok)) {
 		opts->options |= OPTION_SACK_ADVERTISE;
 		if (unlikely(!doing_ts))
-			size += TCPOLEN_SACKPERM_ALIGNED;
+			remaining -= TCPOLEN_SACKPERM_ALIGNED;
 	}
 
-	return size;
+	/* Similar rationale to tcp_syn_options() applies here, too.
+	 * If the <SYN> options fit, the same options should fit now!
+	 */
+	if (*md5 == NULL &&
+	    doing_ts &&
+	    cookie_plus > TCPOLEN_COOKIE_BASE) {
+		int need = cookie_plus; /* has TCPOLEN_COOKIE_BASE */
+
+		if (0x2 & need) {
+			/* 32-bit multiple */
+			need += 2; /* NOPs */
+		}
+		if (need <= remaining) {
+			opts->options |= OPTION_COOKIE_EXTENSION;
+			opts->hash_size = cookie_plus - TCPOLEN_COOKIE_BASE;
+			remaining -= need;
+		} else {
+			/* There's no error return, so flag it. */
+			xvp->cookie_out_never = 1; /* true */
+			opts->hash_size = 0;
+		}
+	}
+	return MAX_TCP_OPTION_SPACE - remaining;
 }
 
 /* Compute TCP options for ESTABLISHED sockets. This is not the
@@ -2365,6 +2394,7 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
 				struct request_values *rvp)
 {
 	struct tcp_out_options opts;
+	struct tcp_extend_values *xvp = tcp_xv(rvp);
 	struct inet_request_sock *ireq = inet_rsk(req);
 	struct tcp_sock *tp = tcp_sk(sk);
 	struct tcphdr *th;
@@ -2408,8 +2438,8 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
 #endif
 	TCP_SKB_CB(skb)->when = tcp_time_stamp;
 	tcp_header_size = tcp_synack_options(sk, req, mss,
-					     skb, &opts, &md5) +
-			  sizeof(struct tcphdr);
+					     skb, &opts, &md5, xvp)
+			+ sizeof(*th);
 
 	skb_push(skb, tcp_header_size);
 	skb_reset_transport_header(skb);
@@ -2426,6 +2456,45 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
 	 */
 	tcp_init_nondata_skb(skb, tcp_rsk(req)->snt_isn,
 			     TCPCB_FLAG_SYN | TCPCB_FLAG_ACK);
+
+	if (OPTION_COOKIE_EXTENSION & opts.options) {
+		const struct tcp_cookie_values *cvp = tp->cookie_values;
+
+		if (cvp != NULL &&
+		    cvp->s_data_constant &&
+		    cvp->s_data_desired > 0) {
+			u8 *buf = skb_put(skb, cvp->s_data_desired);
+
+			/* copy data directly from the listening socket. */
+			memcpy(buf, cvp->s_data_payload, cvp->s_data_desired);
+			TCP_SKB_CB(skb)->end_seq += cvp->s_data_desired;
+		}
+
+		if (opts.hash_size > 0) {
+			__u32 workspace[SHA_WORKSPACE_WORDS];
+			u32 *mess = &xvp->cookie_bakery[COOKIE_DIGEST_WORDS];
+			u32 *tail = &mess[COOKIE_MESSAGE_WORDS-1];
+
+			/* Secret recipe depends on the Timestamp, (future)
+			 * Sequence and Acknowledgment Numbers, Initiator
+			 * Cookie, and others handled by IP variant caller.
+			 */
+			*tail-- ^= opts.tsval;
+			*tail-- ^= tcp_rsk(req)->rcv_isn + 1;
+			*tail-- ^= TCP_SKB_CB(skb)->seq + 1;
+
+			/* recommended */
+			*tail-- ^= ((th->dest << 16) | th->source);
+			*tail-- ^= (u32)cvp; /* per sockopt */
+
+			sha_transform((__u32 *)&xvp->cookie_bakery[0],
+				      (char *)mess,
+				      &workspace[0]);
+			opts.hash_location =
+				(__u8 *)&xvp->cookie_bakery[0];
+		}
+	}
+
 	th->seq = htonl(TCP_SKB_CB(skb)->seq);
 	th->ack_seq = htonl(tcp_rsk(req)->rcv_isn + 1);
 
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index 612fc53e0bb..5b9af508b8f 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -159,6 +159,8 @@ static inline int cookie_check(struct sk_buff *skb, __u32 cookie)
 
 struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
 {
+	struct tcp_options_received tcp_opt;
+	u8 *hash_location;
 	struct inet_request_sock *ireq;
 	struct inet6_request_sock *ireq6;
 	struct tcp_request_sock *treq;
@@ -171,7 +173,6 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
 	int mss;
 	struct dst_entry *dst;
 	__u8 rcv_wscale;
-	struct tcp_options_received tcp_opt;
 
 	if (!sysctl_tcp_syncookies || !th->ack)
 		goto out;
@@ -254,7 +255,7 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
 
 	/* check for timestamp cookie support */
 	memset(&tcp_opt, 0, sizeof(tcp_opt));
-	tcp_parse_options(skb, &tcp_opt, 0, dst);
+	tcp_parse_options(skb, &tcp_opt, &hash_location, 0, dst);
 
 	if (tcp_opt.saw_tstamp)
 		cookie_check_timestamp(&tcp_opt);
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index f2ec38289a4..fc0a4e5895e 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1162,7 +1162,9 @@ static struct sock *tcp_v6_hnd_req(struct sock *sk,struct sk_buff *skb)
  */
 static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
 {
+	struct tcp_extend_values tmp_ext;
 	struct tcp_options_received tmp_opt;
+	u8 *hash_location;
 	struct request_sock *req;
 	struct inet6_request_sock *treq;
 	struct ipv6_pinfo *np = inet6_sk(sk);
@@ -1206,8 +1208,52 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
 	tcp_clear_options(&tmp_opt);
 	tmp_opt.mss_clamp = IPV6_MIN_MTU - sizeof(struct tcphdr) - sizeof(struct ipv6hdr);
 	tmp_opt.user_mss = tp->rx_opt.user_mss;
+	tcp_parse_options(skb, &tmp_opt, &hash_location, 0, dst);
+
+	if (tmp_opt.cookie_plus > 0 &&
+	    tmp_opt.saw_tstamp &&
+	    !tp->rx_opt.cookie_out_never &&
+	    (sysctl_tcp_cookie_size > 0 ||
+	     (tp->cookie_values != NULL &&
+	      tp->cookie_values->cookie_desired > 0))) {
+		u8 *c;
+		u32 *d;
+		u32 *mess = &tmp_ext.cookie_bakery[COOKIE_DIGEST_WORDS];
+		int l = tmp_opt.cookie_plus - TCPOLEN_COOKIE_BASE;
+
+		if (tcp_cookie_generator(&tmp_ext.cookie_bakery[0]) != 0)
+			goto drop_and_free;
+
+		/* Secret recipe starts with IP addresses */
+		d = &ipv6_hdr(skb)->daddr.s6_addr32[0];
+		*mess++ ^= *d++;
+		*mess++ ^= *d++;
+		*mess++ ^= *d++;
+		*mess++ ^= *d++;
+		d = &ipv6_hdr(skb)->saddr.s6_addr32[0];
+		*mess++ ^= *d++;
+		*mess++ ^= *d++;
+		*mess++ ^= *d++;
+		*mess++ ^= *d++;
+
+		/* plus variable length Initiator Cookie */
+		c = (u8 *)mess;
+		while (l-- > 0)
+			*c++ ^= *hash_location++;
 
-	tcp_parse_options(skb, &tmp_opt, 0, dst);
+#ifdef CONFIG_SYN_COOKIES
+		want_cookie = 0;	/* not our kind of cookie */
+#endif
+		tmp_ext.cookie_out_never = 0; /* false */
+		tmp_ext.cookie_plus = tmp_opt.cookie_plus;
+	} else if (!tp->rx_opt.cookie_in_always) {
+		/* redundant indications, but ensure initialization. */
+		tmp_ext.cookie_out_never = 1; /* true */
+		tmp_ext.cookie_plus = 0;
+	} else {
+		goto drop_and_free;
+	}
+	tmp_ext.cookie_in_always = tp->rx_opt.cookie_in_always;
 
 	if (want_cookie && !tmp_opt.saw_tstamp)
 		tcp_clear_options(&tmp_opt);
@@ -1244,7 +1290,9 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
 
 	security_inet_conn_request(sk, skb, req);
 
-	if (tcp_v6_send_synack(sk, req, NULL) || want_cookie)
+	if (tcp_v6_send_synack(sk, req,
+			       (struct request_values *)&tmp_ext) ||
+	    want_cookie)
 		goto drop_and_free;
 
 	inet6_csk_reqsk_queue_hash_add(sk, req, TCP_TIMEOUT_INIT);
-- 
GitLab


From ac936929092dc6a5409b627c4c67305ab9b626b3 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Tue, 1 Dec 2009 19:09:52 +0000
Subject: [PATCH 1730/1815] atl1e: Allow TX checksum offload and TSO to be
 disabled and reenabled

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/atl1e/atl1e_ethtool.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/atl1e/atl1e_ethtool.c b/drivers/net/atl1e/atl1e_ethtool.c
index 60edb9f232b..b0fb7254e2c 100644
--- a/drivers/net/atl1e/atl1e_ethtool.c
+++ b/drivers/net/atl1e/atl1e_ethtool.c
@@ -394,11 +394,13 @@ static const struct ethtool_ops atl1e_ethtool_ops = {
 	.get_eeprom             = atl1e_get_eeprom,
 	.set_eeprom             = atl1e_set_eeprom,
 	.get_tx_csum            = atl1e_get_tx_csum,
+	.set_tx_csum            = ethtool_op_set_tx_hw_csum,
 	.get_sg                 = ethtool_op_get_sg,
 	.set_sg                 = ethtool_op_set_sg,
 #ifdef NETIF_F_TSO
 	.get_tso                = ethtool_op_get_tso,
 #endif
+	.set_tso                = ethtool_op_set_tso,
 };
 
 void atl1e_set_ethtool_ops(struct net_device *netdev)
-- 
GitLab


From 95fec16869f22e94ff13dc5731aeba36bc47bbe6 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Tue, 1 Dec 2009 19:10:03 +0000
Subject: [PATCH 1731/1815] atl1e: Remove redundant definitions of ethtool
 operations

These functions provide the default behaviour and do not need to be
set in struct ethtool_ops.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/atl1e/atl1e_ethtool.c | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/drivers/net/atl1e/atl1e_ethtool.c b/drivers/net/atl1e/atl1e_ethtool.c
index b0fb7254e2c..bb15c51b918 100644
--- a/drivers/net/atl1e/atl1e_ethtool.c
+++ b/drivers/net/atl1e/atl1e_ethtool.c
@@ -131,11 +131,6 @@ static int atl1e_set_settings(struct net_device *netdev,
 	return 0;
 }
 
-static u32 atl1e_get_tx_csum(struct net_device *netdev)
-{
-	return (netdev->features & NETIF_F_HW_CSUM) != 0;
-}
-
 static u32 atl1e_get_msglevel(struct net_device *netdev)
 {
 #ifdef DBG
@@ -393,13 +388,8 @@ static const struct ethtool_ops atl1e_ethtool_ops = {
 	.get_eeprom_len         = atl1e_get_eeprom_len,
 	.get_eeprom             = atl1e_get_eeprom,
 	.set_eeprom             = atl1e_set_eeprom,
-	.get_tx_csum            = atl1e_get_tx_csum,
 	.set_tx_csum            = ethtool_op_set_tx_hw_csum,
-	.get_sg                 = ethtool_op_get_sg,
 	.set_sg                 = ethtool_op_set_sg,
-#ifdef NETIF_F_TSO
-	.get_tso                = ethtool_op_get_tso,
-#endif
 	.set_tso                = ethtool_op_set_tso,
 };
 
-- 
GitLab


From 650de8de16aa7c168c34d1b6a3191e4a5e2648c8 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Tue, 1 Dec 2009 19:10:18 +0000
Subject: [PATCH 1732/1815] atl1e: Remove non-implementation of ethtool
 set_msglevel() operation

Unimplemented operations should not silently fail.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/atl1e/atl1e_ethtool.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/net/atl1e/atl1e_ethtool.c b/drivers/net/atl1e/atl1e_ethtool.c
index bb15c51b918..a76006c1bc6 100644
--- a/drivers/net/atl1e/atl1e_ethtool.c
+++ b/drivers/net/atl1e/atl1e_ethtool.c
@@ -140,10 +140,6 @@ static u32 atl1e_get_msglevel(struct net_device *netdev)
 #endif
 }
 
-static void atl1e_set_msglevel(struct net_device *netdev, u32 data)
-{
-}
-
 static int atl1e_get_regs_len(struct net_device *netdev)
 {
 	return AT_REGS_LEN * sizeof(u32);
@@ -382,7 +378,6 @@ static const struct ethtool_ops atl1e_ethtool_ops = {
 	.get_wol                = atl1e_get_wol,
 	.set_wol                = atl1e_set_wol,
 	.get_msglevel           = atl1e_get_msglevel,
-	.set_msglevel           = atl1e_set_msglevel,
 	.nway_reset             = atl1e_nway_reset,
 	.get_link               = ethtool_op_get_link,
 	.get_eeprom_len         = atl1e_get_eeprom_len,
-- 
GitLab


From 91e2ff3528ac90b9dbcb04b76488e8ad74e3d3d9 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Wed, 2 Dec 2009 13:19:08 +0000
Subject: [PATCH 1733/1815] net: Teach vlans to cleanup as a pernet subsystem

Take advantage of the fact that an explicit rtnl_kill_links is
unnecessary (and skipping it improves batching), as network namespace
exit calls dellink on all remaining virtual devices, and
rtnl_link_unregister calls dellink on all outstanding devices in that
network namespace.  To do this we need to leave the vlan proc
directories in place until after network device exit time, which is
done by using register_pernet_subsys instead of
register_pernet_device.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/8021q/vlan.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 91e9073e199..ec3769295da 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -698,8 +698,6 @@ static int vlan_init_net(struct net *net)
 
 static void vlan_exit_net(struct net *net)
 {
-	rtnl_kill_links(net, &vlan_link_ops);
-
 	vlan_proc_cleanup(net);
 }
 
@@ -717,7 +715,7 @@ static int __init vlan_proto_init(void)
 	pr_info("%s v%s %s\n", vlan_fullname, vlan_version, vlan_copyright);
 	pr_info("All bugs added by %s\n", vlan_buggyright);
 
-	err = register_pernet_device(&vlan_net_ops);
+	err = register_pernet_subsys(&vlan_net_ops);
 	if (err < 0)
 		goto err0;
 
@@ -742,7 +740,7 @@ err4:
 err3:
 	unregister_netdevice_notifier(&vlan_notifier_block);
 err2:
-	unregister_pernet_device(&vlan_net_ops);
+	unregister_pernet_subsys(&vlan_net_ops);
 err0:
 	return err;
 }
@@ -762,7 +760,7 @@ static void __exit vlan_cleanup_module(void)
 	for (i = 0; i < VLAN_GRP_HASH_SIZE; i++)
 		BUG_ON(!hlist_empty(&vlan_group_hash[i]));
 
-	unregister_pernet_device(&vlan_net_ops);
+	unregister_pernet_subsys(&vlan_net_ops);
 	rcu_barrier(); /* Wait for completion of call_rcu()'s */
 
 	vlan_gvrp_uninit();
-- 
GitLab


From f9a2e69e8bb77fe6c8e7da6380ebd4330c00a29e Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Wed, 2 Dec 2009 22:12:04 -0800
Subject: [PATCH 1734/1815] tcp: Fix warning on 64-bit.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

net/ipv4/tcp_output.c: In function ‘tcp_make_synack’:
net/ipv4/tcp_output.c:2488: warning: cast from pointer to integer of different size

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/tcp_output.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 2ac8beff4d7..c08e06d4442 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -2485,7 +2485,7 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
 
 			/* recommended */
 			*tail-- ^= ((th->dest << 16) | th->source);
-			*tail-- ^= (u32)cvp; /* per sockopt */
+			*tail-- ^= (u32)(unsigned long)cvp; /* per sockopt */
 
 			sha_transform((__u32 *)&xvp->cookie_bakery[0],
 				      (char *)mess,
-- 
GitLab


From e6b09ccada2e4ab8ee25a7c3ac72fcd1bc7101c4 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Wed, 2 Dec 2009 22:18:58 -0800
Subject: [PATCH 1735/1815] tcp: sysctl_tcp_cookie_size needs to be exported to
 modules.

Otherwise:

ERROR: "sysctl_tcp_cookie_size" [net/ipv6/ipv6.ko] undefined!
make[1]: *** [__modpost] Error 1

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/tcp_output.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index c08e06d4442..93316a96d82 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -60,6 +60,7 @@ int sysctl_tcp_base_mss __read_mostly = 512;
 int sysctl_tcp_slow_start_after_idle __read_mostly = 1;
 
 int sysctl_tcp_cookie_size __read_mostly = 0; /* TCP_COOKIE_MAX */
+EXPORT_SYMBOL_GPL(sysctl_tcp_cookie_size);
 
 
 /* Account for new data that has been sent to the network. */
-- 
GitLab


From 8818a9d884e3a589899be3303958fff182e98e55 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= <ilpo.jarvinen@helsinki.fi>
Date: Wed, 2 Dec 2009 22:24:02 -0800
Subject: [PATCH 1736/1815] tcp: clear hints to avoid a stale one (nfs only
 affected?)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Eric Dumazet mentioned in a context of another problem:

"Well, it seems NFS reuses its socket, so maybe we miss some
cleaning as spotted in this old patch"

I've not check under which conditions that actually happens but
if true, we need to make sure we don't accidently leave stale
hints behind when the write queue had to be purged (whether reusing
with NFS can actually happen if purging took place is something I'm
not sure of).

...At least it compiles.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/tcp.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/net/tcp.h b/include/net/tcp.h
index 28b04ff8c96..e2d2ca2509b 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1229,6 +1229,7 @@ static inline void tcp_write_queue_purge(struct sock *sk)
 	while ((skb = __skb_dequeue(&sk->sk_write_queue)) != NULL)
 		sk_wmem_free_skb(sk, skb);
 	sk_mem_reclaim(sk);
+	tcp_clear_all_retrans_hints(tcp_sk(sk));
 }
 
 static inline struct sk_buff *tcp_write_queue_head(struct sock *sk)
-- 
GitLab


From ff236f7af82fae0818d7cbb5a0717d3218d00bdd Mon Sep 17 00:00:00 2001
From: Mikulas Patocka <mpatocka@redhat.com>
Date: Wed, 2 Dec 2009 22:26:38 -0800
Subject: [PATCH 1737/1815] sunhme: fix dma warning in Sun HME

Fix dma-api-checking warnings in Sun HME

Sun HME driver is mapping the first fragment with dma_map_single and subsequent
fragments with dma_map_page. It is unmapping all fragments with dma_unmap_single
and that produces the warning.

This patch changes it so that it unmaps only the first fragment with
dma_unmap_single and subsequent fragments are unmapped with dma_unmap_page.

WARNING: at lib/dma-debug.c:816 check_unmap+0x3ac/0x780()
hme 0000:01:01.1: DMA-API: device driver frees DMA memory with wrong function [device address=0x00000000c1082000] [size=32 bytes] [mapped as page] [unmapped as single]
Modules linked in: nbd sunhme openpromfs sermouse unix
Call Trace:
 [0000000000456910] warn_slowpath_common+0x50/0xa0
 [0000000000571f4c] check_unmap+0x3ac/0x780
 [0000000000572570] debug_dma_unmap_page+0x50/0x60
 [000000001002f5fc] happy_meal_tx+0x11c/0x260 [sunhme]
 [000000001002fc4c] happy_meal_interrupt+0xcc/0xe0 [sunhme]
 [0000000000492d94] handle_fasteoi_irq+0x74/0x100
 [000000000042ac0c] handler_irq+0xcc/0x100
 [0000000000426a54] valid_addr_bitmap_patch+0x14/0x1c0
 [0000000000665de0] _spin_unlock_irqrestore+0x40/0x60
 [0000000000462bb8] mod_timer+0x118/0x1a0
 [00000000005ec254] sk_reset_timer+0x14/0x40
 [0000000000635e4c] tcp_event_new_data_sent+0x8c/0xc0
 [0000000000639374] __tcp_push_pending_frames+0x34/0xc0
---[ end trace 73d5c42c1e9f11c4 ]---
Mapped at:
 [<000000001002f148>] happy_meal_start_xmit+0x308/0x480 [sunhme]
 [<00000000005fc858>] dev_hard_start_xmit+0x318/0x3c0
 [<000000000060fec4>] sch_direct_xmit+0x1a4/0x200
 [<00000000005fced0>] dev_queue_xmit+0x410/0x560
 [<0000000000604a1c>] neigh_resolve_output+0xfc/0x300

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/sunhme.c | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/drivers/net/sunhme.c b/drivers/net/sunhme.c
index 1f842a78acd..0970e1774d1 100644
--- a/drivers/net/sunhme.c
+++ b/drivers/net/sunhme.c
@@ -1226,10 +1226,16 @@ static void happy_meal_clean_rings(struct happy_meal *hp)
 			for (frag = 0; frag <= skb_shinfo(skb)->nr_frags; frag++) {
 				txd = &hp->happy_block->happy_meal_txd[i];
 				dma_addr = hme_read_desc32(hp, &txd->tx_addr);
-				dma_unmap_single(hp->dma_dev, dma_addr,
-						 (hme_read_desc32(hp, &txd->tx_flags)
-						  & TXFLAG_SIZE),
-						 DMA_TO_DEVICE);
+				if (!frag)
+					dma_unmap_single(hp->dma_dev, dma_addr,
+							 (hme_read_desc32(hp, &txd->tx_flags)
+							  & TXFLAG_SIZE),
+							 DMA_TO_DEVICE);
+				else
+					dma_unmap_page(hp->dma_dev, dma_addr,
+							 (hme_read_desc32(hp, &txd->tx_flags)
+							  & TXFLAG_SIZE),
+							 DMA_TO_DEVICE);
 
 				if (frag != skb_shinfo(skb)->nr_frags)
 					i++;
@@ -1953,7 +1959,10 @@ static void happy_meal_tx(struct happy_meal *hp)
 			dma_len = hme_read_desc32(hp, &this->tx_flags);
 
 			dma_len &= TXFLAG_SIZE;
-			dma_unmap_single(hp->dma_dev, dma_addr, dma_len, DMA_TO_DEVICE);
+			if (!frag)
+				dma_unmap_single(hp->dma_dev, dma_addr, dma_len, DMA_TO_DEVICE);
+			else
+				dma_unmap_page(hp->dma_dev, dma_addr, dma_len, DMA_TO_DEVICE);
 
 			elem = NEXT_TX(elem);
 			this = &txbase[elem];
-- 
GitLab


From b3cf652afb5404685e3d7ed6780a8d1fa10e21da Mon Sep 17 00:00:00 2001
From: Rahul Tank <rahult@marvell.com>
Date: Mon, 28 Sep 2009 19:43:35 -0700
Subject: [PATCH 1738/1815] Bluetooth: Removal of unused variable in btmrvl
 driver

This patch removes unused variable "drvdbg" from btmrvl_debugfs_data
structure.

Signed-off-by: Rahul Tank <rahult@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---
 drivers/bluetooth/btmrvl_debugfs.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/bluetooth/btmrvl_debugfs.c b/drivers/bluetooth/btmrvl_debugfs.c
index 4617bd12f63..d43b5cb864e 100644
--- a/drivers/bluetooth/btmrvl_debugfs.c
+++ b/drivers/bluetooth/btmrvl_debugfs.c
@@ -29,7 +29,6 @@ struct btmrvl_debugfs_data {
 	struct dentry *root_dir, *config_dir, *status_dir;
 
 	/* config */
-	struct dentry *drvdbg;
 	struct dentry *psmode;
 	struct dentry *pscmd;
 	struct dentry *hsmode;
-- 
GitLab


From 5990108cfcd3eb2d365c9ea6f82318be80c4e9d3 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 15 Oct 2009 20:28:53 +0000
Subject: [PATCH 1739/1815] Bluetooth: Remove stub ioctl in hci_vhci

Remove the empty ioctl which just returns -EINVAL. vfs_ioctl() will
return -ENOTTY instead, but I doubt that any application will notice
the difference :)

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---
 drivers/bluetooth/hci_vhci.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/drivers/bluetooth/hci_vhci.c b/drivers/bluetooth/hci_vhci.c
index d5cde6d86f8..ff02e901ab8 100644
--- a/drivers/bluetooth/hci_vhci.c
+++ b/drivers/bluetooth/hci_vhci.c
@@ -218,12 +218,6 @@ static unsigned int vhci_poll(struct file *file, poll_table *wait)
 	return POLLOUT | POLLWRNORM;
 }
 
-static int vhci_ioctl(struct inode *inode, struct file *file,
-					unsigned int cmd, unsigned long arg)
-{
-	return -EINVAL;
-}
-
 static int vhci_open(struct inode *inode, struct file *file)
 {
 	struct vhci_data *data;
@@ -287,7 +281,6 @@ static const struct file_operations vhci_fops = {
 	.read		= vhci_read,
 	.write		= vhci_write,
 	.poll		= vhci_poll,
-	.ioctl		= vhci_ioctl,
 	.open		= vhci_open,
 	.release	= vhci_release,
 };
-- 
GitLab


From 329ab1b3e6ceac3f77ab400206a97cc402624259 Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Thu, 3 Dec 2009 18:05:16 +0100
Subject: [PATCH 1740/1815] Bluetooth: Remove unused global minor variable

After the removal of the module parameter for setting the minor number,
this variable became unused. So just remove it.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---
 drivers/bluetooth/hci_vhci.c | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/drivers/bluetooth/hci_vhci.c b/drivers/bluetooth/hci_vhci.c
index ff02e901ab8..c1d389f2cba 100644
--- a/drivers/bluetooth/hci_vhci.c
+++ b/drivers/bluetooth/hci_vhci.c
@@ -41,8 +41,6 @@
 
 #define VERSION "1.3"
 
-static int minor = MISC_DYNAMIC_MINOR;
-
 struct vhci_data {
 	struct hci_dev *hdev;
 
@@ -295,18 +293,12 @@ static int __init vhci_init(void)
 {
 	BT_INFO("Virtual HCI driver ver %s", VERSION);
 
-	if (misc_register(&vhci_miscdev) < 0) {
-		BT_ERR("Can't register misc device with minor %d", minor);
-		return -EIO;
-	}
-
-	return 0;
+	return misc_register(&vhci_miscdev);
 }
 
 static void __exit vhci_exit(void)
 {
-	if (misc_deregister(&vhci_miscdev) < 0)
-		BT_ERR("Can't unregister misc device with minor %d", minor);
+	misc_deregister(&vhci_miscdev);
 }
 
 module_init(vhci_init);
-- 
GitLab


From fed4c2508b7419d0a55958fead6151b32def1683 Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Thu, 3 Dec 2009 18:07:28 +0100
Subject: [PATCH 1741/1815] Bluetooth: Fix miscdev ops owner for virtual driver

The /dev/vhci ops don't refer to the module and so it is possible to
unload the module while the file descriptor is in use. This was an
accidental removal after the cleanup.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---
 drivers/bluetooth/hci_vhci.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/bluetooth/hci_vhci.c b/drivers/bluetooth/hci_vhci.c
index c1d389f2cba..7595274103f 100644
--- a/drivers/bluetooth/hci_vhci.c
+++ b/drivers/bluetooth/hci_vhci.c
@@ -276,6 +276,7 @@ static int vhci_release(struct inode *inode, struct file *file)
 }
 
 static const struct file_operations vhci_fops = {
+	.owner		= THIS_MODULE,
 	.read		= vhci_read,
 	.write		= vhci_write,
 	.poll		= vhci_poll,
-- 
GitLab


From 2da31939a42f7a676a0bc5155d6a0a39ed8451f2 Mon Sep 17 00:00:00 2001
From: Jiri Kosina <jkosina@suse.cz>
Date: Thu, 26 Nov 2009 16:20:56 +0100
Subject: [PATCH 1742/1815] Bluetooth: Implement raw output support for HIDP
 layer

Implement raw output callback which is used by hidraw to send raw data to
the underlying device.

Without this patch, the userspace hidraw-based applications can't send
output reports to HID Bluetooth devices.

Reported-and-tested-by: Brian Gunn <bgunn@solekai.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---
 net/bluetooth/hidp/core.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index 49d8495d69b..569750010fd 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -280,6 +280,13 @@ static int hidp_send_report(struct hidp_session *session, struct hid_report *rep
 	return hidp_queue_report(session, buf, rsize);
 }
 
+static int hidp_output_raw_report(struct hid_device *hid, unsigned char *data, size_t count)
+{
+	if (hidp_queue_report(hid->driver_data, data, count))
+		return -ENOMEM;
+	return count;
+}
+
 static void hidp_idle_timeout(unsigned long arg)
 {
 	struct hidp_session *session = (struct hidp_session *) arg;
@@ -785,6 +792,8 @@ static int hidp_setup_hid(struct hidp_session *session,
 	hid->dev.parent = hidp_get_device(session);
 	hid->ll_driver = &hidp_hid_driver;
 
+	hid->hid_output_raw_report = hidp_output_raw_report;
+
 	err = hid_add_device(hid);
 	if (err < 0)
 		goto failed;
-- 
GitLab


From 7e21addcd0ad87696c17409399e56e874931da57 Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Wed, 18 Nov 2009 01:05:00 +0100
Subject: [PATCH 1743/1815] Bluetooth: Return ENETDOWN when interface is down

Sending commands to a down interface results in a timeout while clearly
it should just return ENETDOWN. When using the ioctls this works fine,
but not when using the HCI sockets sendmsg interface.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---
 net/bluetooth/hci_sock.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 1ca5c7ca9bd..c3701f37aeb 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -414,6 +414,11 @@ static int hci_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
 		goto done;
 	}
 
+	if (!test_bit(HCI_UP, &hdev->flags)) {
+		err = -ENETDOWN;
+		goto done;
+	}
+
 	if (!(skb = bt_skb_send_alloc(sk, len, msg->msg_flags & MSG_DONTWAIT, &err)))
 		goto done;
 
-- 
GitLab


From 76bca88012e1d27de794f32cc551d6314d38b6d9 Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Wed, 18 Nov 2009 00:40:39 +0100
Subject: [PATCH 1744/1815] Bluetooth: Turn hci_recv_frame into an exported
 function

For future simplification it is important that the hci_recv_frame
function is no longer an inline function. So move it into the module
itself and export it.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---
 include/net/bluetooth/hci_core.h | 23 +----------------------
 net/bluetooth/hci_core.c         | 23 +++++++++++++++++++++++
 2 files changed, 24 insertions(+), 22 deletions(-)

diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 7b640aeddb6..8460f228308 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -437,28 +437,7 @@ int hci_inquiry(void __user *arg);
 
 void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
 
-/* Receive frame from HCI drivers */
-static inline int hci_recv_frame(struct sk_buff *skb)
-{
-	struct hci_dev *hdev = (struct hci_dev *) skb->dev;
-	if (!hdev || (!test_bit(HCI_UP, &hdev->flags) 
-			&& !test_bit(HCI_INIT, &hdev->flags))) {
-		kfree_skb(skb);
-		return -ENXIO;
-	}
-
-	/* Incomming skb */
-	bt_cb(skb)->incoming = 1;
-
-	/* Time stamp */
-	__net_timestamp(skb);
-
-	/* Queue frame for rx task */
-	skb_queue_tail(&hdev->rx_q, skb);
-	hci_sched_rx(hdev);
-	return 0;
-}
-
+int hci_recv_frame(struct sk_buff *skb);
 int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
 
 int hci_register_sysfs(struct hci_dev *hdev);
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index e1da8f68759..3fc90e543ec 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -987,6 +987,29 @@ int hci_resume_dev(struct hci_dev *hdev)
 }
 EXPORT_SYMBOL(hci_resume_dev);
 
+/* Receive frame from HCI drivers */
+int hci_recv_frame(struct sk_buff *skb)
+{
+	struct hci_dev *hdev = (struct hci_dev *) skb->dev;
+	if (!hdev || (!test_bit(HCI_UP, &hdev->flags)
+				&& !test_bit(HCI_INIT, &hdev->flags))) {
+		kfree_skb(skb);
+		return -ENXIO;
+	}
+
+	/* Incomming skb */
+	bt_cb(skb)->incoming = 1;
+
+	/* Time stamp */
+	__net_timestamp(skb);
+
+	/* Queue frame for rx task */
+	skb_queue_tail(&hdev->rx_q, skb);
+	hci_sched_rx(hdev);
+	return 0;
+}
+EXPORT_SYMBOL(hci_recv_frame);
+
 /* Receive packet type fragment */
 #define __reassembly(hdev, type)  ((hdev)->reassembly[(type) - 2])
 
-- 
GitLab


From c78ae283145d3a8799b2fb01650166a66af3bff8 Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Wed, 18 Nov 2009 01:02:54 +0100
Subject: [PATCH 1745/1815] Bluetooth: Unobfuscate tasklet_schedule usage

The tasklet schedule function helpers are just an obfuscation. So remove
them and call the schedule functions directly.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---
 include/net/bluetooth/hci_core.h | 16 ----------------
 net/bluetooth/hci_core.c         | 18 ++++++++++++------
 net/bluetooth/hci_event.c        |  6 +++---
 net/bluetooth/hci_sock.c         |  6 +++---
 4 files changed, 18 insertions(+), 28 deletions(-)

diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 8460f228308..7b86094a894 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -367,22 +367,6 @@ static inline void hci_conn_put(struct hci_conn *conn)
 	}
 }
 
-/* ----- HCI tasks ----- */
-static inline void hci_sched_cmd(struct hci_dev *hdev)
-{
-	tasklet_schedule(&hdev->cmd_task);
-}
-
-static inline void hci_sched_rx(struct hci_dev *hdev)
-{
-	tasklet_schedule(&hdev->rx_task);
-}
-
-static inline void hci_sched_tx(struct hci_dev *hdev)
-{
-	tasklet_schedule(&hdev->tx_task);
-}
-
 /* ----- HCI Devices ----- */
 static inline void __hci_dev_put(struct hci_dev *d)
 {
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 3fc90e543ec..94ba3498202 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -193,8 +193,9 @@ static void hci_init_req(struct hci_dev *hdev, unsigned long opt)
 	while ((skb = skb_dequeue(&hdev->driver_init))) {
 		bt_cb(skb)->pkt_type = HCI_COMMAND_PKT;
 		skb->dev = (void *) hdev;
+
 		skb_queue_tail(&hdev->cmd_q, skb);
-		hci_sched_cmd(hdev);
+		tasklet_schedule(&hdev->cmd_task);
 	}
 	skb_queue_purge(&hdev->driver_init);
 
@@ -1005,7 +1006,8 @@ int hci_recv_frame(struct sk_buff *skb)
 
 	/* Queue frame for rx task */
 	skb_queue_tail(&hdev->rx_q, skb);
-	hci_sched_rx(hdev);
+	tasklet_schedule(&hdev->rx_task);
+
 	return 0;
 }
 EXPORT_SYMBOL(hci_recv_frame);
@@ -1216,8 +1218,9 @@ int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param)
 
 	bt_cb(skb)->pkt_type = HCI_COMMAND_PKT;
 	skb->dev = (void *) hdev;
+
 	skb_queue_tail(&hdev->cmd_q, skb);
-	hci_sched_cmd(hdev);
+	tasklet_schedule(&hdev->cmd_task);
 
 	return 0;
 }
@@ -1294,7 +1297,8 @@ int hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags)
 		spin_unlock_bh(&conn->data_q.lock);
 	}
 
-	hci_sched_tx(hdev);
+	tasklet_schedule(&hdev->tx_task);
+
 	return 0;
 }
 EXPORT_SYMBOL(hci_send_acl);
@@ -1321,8 +1325,10 @@ int hci_send_sco(struct hci_conn *conn, struct sk_buff *skb)
 
 	skb->dev = (void *) hdev;
 	bt_cb(skb)->pkt_type = HCI_SCODATA_PKT;
+
 	skb_queue_tail(&conn->data_q, skb);
-	hci_sched_tx(hdev);
+	tasklet_schedule(&hdev->tx_task);
+
 	return 0;
 }
 EXPORT_SYMBOL(hci_send_sco);
@@ -1635,7 +1641,7 @@ static void hci_cmd_task(unsigned long arg)
 			hdev->cmd_last_tx = jiffies;
 		} else {
 			skb_queue_head(&hdev->cmd_q, skb);
-			hci_sched_cmd(hdev);
+			tasklet_schedule(&hdev->cmd_task);
 		}
 	}
 }
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index e99fe385fba..28517bad796 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -1320,7 +1320,7 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk
 	if (ev->ncmd) {
 		atomic_set(&hdev->cmd_cnt, 1);
 		if (!skb_queue_empty(&hdev->cmd_q))
-			hci_sched_cmd(hdev);
+			tasklet_schedule(&hdev->cmd_task);
 	}
 }
 
@@ -1386,7 +1386,7 @@ static inline void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
 	if (ev->ncmd) {
 		atomic_set(&hdev->cmd_cnt, 1);
 		if (!skb_queue_empty(&hdev->cmd_q))
-			hci_sched_cmd(hdev);
+			tasklet_schedule(&hdev->cmd_task);
 	}
 }
 
@@ -1454,7 +1454,7 @@ static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *s
 		}
 	}
 
-	hci_sched_tx(hdev);
+	tasklet_schedule(&hdev->tx_task);
 
 	tasklet_enable(&hdev->tx_task);
 }
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index c3701f37aeb..688cfebfbee 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -445,10 +445,10 @@ static int hci_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
 
 		if (test_bit(HCI_RAW, &hdev->flags) || (ogf == 0x3f)) {
 			skb_queue_tail(&hdev->raw_q, skb);
-			hci_sched_tx(hdev);
+			tasklet_schedule(&hdev->tx_task);
 		} else {
 			skb_queue_tail(&hdev->cmd_q, skb);
-			hci_sched_cmd(hdev);
+			tasklet_schedule(&hdev->cmd_task);
 		}
 	} else {
 		if (!capable(CAP_NET_RAW)) {
@@ -457,7 +457,7 @@ static int hci_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
 		}
 
 		skb_queue_tail(&hdev->raw_q, skb);
-		hci_sched_tx(hdev);
+		tasklet_schedule(&hdev->tx_task);
 	}
 
 	err = len;
-- 
GitLab


From cde9f807f003676862178a6f28b52c7d431511ed Mon Sep 17 00:00:00 2001
From: Vikram Kandukuri <vkandukuri@atheros.com>
Date: Thu, 3 Dec 2009 15:12:51 +0530
Subject: [PATCH 1746/1815] Bluetooth: Fix handling of BNEP setup connection
 requests

According to BNEP test specification the proper response should be sent
for a setup connection request message after the BNEP connection setup
has been completed.

Signed-off-by: Vikram Kandukuri <vikram.kandukuri@atheros.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---
 net/bluetooth/bnep/core.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c
index cafe9f54d84..29b1b220d6c 100644
--- a/net/bluetooth/bnep/core.c
+++ b/net/bluetooth/bnep/core.c
@@ -230,7 +230,6 @@ static int bnep_rx_control(struct bnep_session *s, void *data, int len)
 
 	switch (cmd) {
 	case BNEP_CMD_NOT_UNDERSTOOD:
-	case BNEP_SETUP_CONN_REQ:
 	case BNEP_SETUP_CONN_RSP:
 	case BNEP_FILTER_NET_TYPE_RSP:
 	case BNEP_FILTER_MULTI_ADDR_RSP:
@@ -245,6 +244,10 @@ static int bnep_rx_control(struct bnep_session *s, void *data, int len)
 		err = bnep_ctrl_set_mcfilter(s, data, len);
 		break;
 
+	case BNEP_SETUP_CONN_REQ:
+		err = bnep_send_rsp(s, BNEP_SETUP_CONN_RSP, BNEP_CONN_NOT_ALLOWED);
+		break;
+
 	default: {
 			u8 pkt[3];
 			pkt[0] = BNEP_CONTROL;
-- 
GitLab


From 0565c1c24af94130b891f989fa608faddfadc52c Mon Sep 17 00:00:00 2001
From: "Gustavo F. Padovan" <gustavo@las.ic.unicamp.br>
Date: Sat, 3 Oct 2009 02:34:36 -0300
Subject: [PATCH 1747/1815] Bluetooth: Initialize variables and timers for both
 channel's sides

Fix ERTM's full-duplex channel to work as specified by ERTM spec. ERTM
needs to handle state vars, timers and counters to send and receive
I-frames(the data frames), i.e., for both sides of data communication.
We initialize all of them to the default values here.
Full-duplex channel is a mandatory feature of ERTM spec.

Signed-off-by: Gustavo F. Padovan <gustavo@las.ic.unicamp.br>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---
 net/bluetooth/l2cap.c | 54 ++++++++++++++++++++++++++++---------------
 1 file changed, 36 insertions(+), 18 deletions(-)

diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 54992f78230..dfd0327cf8d 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -2173,6 +2173,21 @@ static void l2cap_add_conf_opt(void **ptr, u8 type, u8 len, unsigned long val)
 	*ptr += L2CAP_CONF_OPT_SIZE + len;
 }
 
+static inline void l2cap_ertm_init(struct sock *sk)
+{
+	l2cap_pi(sk)->expected_ack_seq = 0;
+	l2cap_pi(sk)->unacked_frames = 0;
+	l2cap_pi(sk)->buffer_seq = 0;
+	l2cap_pi(sk)->num_to_ack = 0;
+
+	setup_timer(&l2cap_pi(sk)->retrans_timer,
+			l2cap_retrans_timeout, (unsigned long) sk);
+	setup_timer(&l2cap_pi(sk)->monitor_timer,
+			l2cap_monitor_timeout, (unsigned long) sk);
+
+	__skb_queue_head_init(SREJ_QUEUE(sk));
+}
+
 static int l2cap_mode_supported(__u8 mode, __u32 feat_mask)
 {
 	u32 local_feat_mask = l2cap_feat_mask;
@@ -2761,17 +2776,13 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
 			l2cap_pi(sk)->fcs = L2CAP_FCS_CRC16;
 
 		sk->sk_state = BT_CONNECTED;
-		l2cap_pi(sk)->next_tx_seq = 0;
-		l2cap_pi(sk)->expected_ack_seq = 0;
-		l2cap_pi(sk)->unacked_frames = 0;
-
-		setup_timer(&l2cap_pi(sk)->retrans_timer,
-				l2cap_retrans_timeout, (unsigned long) sk);
-		setup_timer(&l2cap_pi(sk)->monitor_timer,
-				l2cap_monitor_timeout, (unsigned long) sk);
 
+		l2cap_pi(sk)->next_tx_seq = 0;
+		l2cap_pi(sk)->expected_tx_seq = 0;
 		__skb_queue_head_init(TX_QUEUE(sk));
-		__skb_queue_head_init(SREJ_QUEUE(sk));
+		if (l2cap_pi(sk)->mode == L2CAP_MODE_ERTM)
+			l2cap_ertm_init(sk);
+
 		l2cap_chan_ready(sk);
 		goto unlock;
 	}
@@ -2850,11 +2861,12 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr
 			l2cap_pi(sk)->fcs = L2CAP_FCS_CRC16;
 
 		sk->sk_state = BT_CONNECTED;
+		l2cap_pi(sk)->next_tx_seq = 0;
 		l2cap_pi(sk)->expected_tx_seq = 0;
-		l2cap_pi(sk)->buffer_seq = 0;
-		l2cap_pi(sk)->num_to_ack = 0;
 		__skb_queue_head_init(TX_QUEUE(sk));
-		__skb_queue_head_init(SREJ_QUEUE(sk));
+		if (l2cap_pi(sk)->mode ==  L2CAP_MODE_ERTM)
+			l2cap_ertm_init(sk);
+
 		l2cap_chan_ready(sk);
 	}
 
@@ -2886,9 +2898,12 @@ static inline int l2cap_disconnect_req(struct l2cap_conn *conn, struct l2cap_cmd
 	sk->sk_shutdown = SHUTDOWN_MASK;
 
 	skb_queue_purge(TX_QUEUE(sk));
-	skb_queue_purge(SREJ_QUEUE(sk));
-	del_timer(&l2cap_pi(sk)->retrans_timer);
-	del_timer(&l2cap_pi(sk)->monitor_timer);
+
+	if (l2cap_pi(sk)->mode == L2CAP_MODE_ERTM) {
+		skb_queue_purge(SREJ_QUEUE(sk));
+		del_timer(&l2cap_pi(sk)->retrans_timer);
+		del_timer(&l2cap_pi(sk)->monitor_timer);
+	}
 
 	l2cap_chan_del(sk, ECONNRESET);
 	bh_unlock_sock(sk);
@@ -2913,9 +2928,12 @@ static inline int l2cap_disconnect_rsp(struct l2cap_conn *conn, struct l2cap_cmd
 		return 0;
 
 	skb_queue_purge(TX_QUEUE(sk));
-	skb_queue_purge(SREJ_QUEUE(sk));
-	del_timer(&l2cap_pi(sk)->retrans_timer);
-	del_timer(&l2cap_pi(sk)->monitor_timer);
+
+	if (l2cap_pi(sk)->mode == L2CAP_MODE_ERTM) {
+		skb_queue_purge(SREJ_QUEUE(sk));
+		del_timer(&l2cap_pi(sk)->retrans_timer);
+		del_timer(&l2cap_pi(sk)->monitor_timer);
+	}
 
 	l2cap_chan_del(sk, 0);
 	bh_unlock_sock(sk);
-- 
GitLab


From 889a3ca466018ab68363c3168993793bc2d984f1 Mon Sep 17 00:00:00 2001
From: "Gustavo F. Padovan" <gustavo@las.ic.unicamp.br>
Date: Sat, 3 Oct 2009 02:34:37 -0300
Subject: [PATCH 1748/1815] Bluetooth: Fix unset of SrejActioned flag

SrejActioned  is a flag that when set prevents local side to retransmit a
I-frame(the data frame) already retransmitted. The local entity can
retransmit again only when it receives a SREJ frame with the F-bit set.
SREJ frame - Selective Reject frame  - is sent when an entity wants the
retransmission of a specific I-frame that was lost or corrupted.
This bug can put ERTM in an unknown state once the entity can't
retransmit.
A frame with the Final bit set is expected when the local side sends a
frame with the Poll bit set due to a local busy condition or a
retransmission timer expired. (Receipt of P-bit shall always be replied by
a frame with the F-bit set).
pi->conn_state keeps informations about many ERTM flags including
SrejActioned.

Signed-off-by: Gustavo F. Padovan <gustavo@las.ic.unicamp.br>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---
 net/bluetooth/l2cap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index dfd0327cf8d..2d5d37545b1 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -3443,7 +3443,7 @@ static inline int l2cap_data_channel_sframe(struct sock *sk, u16 rx_control, str
 		} else if (rx_control & L2CAP_CTRL_FINAL) {
 			if ((pi->conn_state & L2CAP_CONN_SREJ_ACT) &&
 					pi->srej_save_reqseq == tx_seq)
-				pi->srej_save_reqseq &= ~L2CAP_CONN_SREJ_ACT;
+				pi->conn_state &= ~L2CAP_CONN_SREJ_ACT;
 			else
 				l2cap_retransmit_frame(sk, tx_seq);
 		}
-- 
GitLab


From 9f121a5a80b4417c6db5a35e26d2e79c29c3fc0d Mon Sep 17 00:00:00 2001
From: "Gustavo F. Padovan" <gustavo@las.ic.unicamp.br>
Date: Sat, 3 Oct 2009 02:34:38 -0300
Subject: [PATCH 1749/1815] Bluetooth: Fix sending ReqSeq on I-frames

As specified by ERTM spec an ERTM channel can acknowledge received
I-frames(the data frames) by sending an I-frame with the proper ReqSeq
value (i.e. ReqSeq is set to BufferSeq).  Until now we aren't setting the
ReqSeq value on I-frame control bits. That way we can save sending
S-frames(Supervise frames) only to acknowledge receipt of I-frames. It
is very helpful to the full-duplex channel.
ReqSeq is the packet sequence number sent in an acknowledgement frame to
acknowledge receipt of frames up to (ReqSeq - 1).
BufferSeq controls the receiver buffer, it is used to delay
acknowledgement of new frames to not cause buffer overflow. BufferSeq
value is not increased until frames are pulled by reassembly function.

Signed-off-by: Gustavo F. Padovan <gustavo@las.ic.unicamp.br>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---
 include/net/bluetooth/l2cap.h | 1 -
 net/bluetooth/l2cap.c         | 8 ++++++--
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 9516f4b4a3c..327eb57dab5 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -324,7 +324,6 @@ struct l2cap_pinfo {
 
 	__u8		next_tx_seq;
 	__u8		expected_ack_seq;
-	__u8		req_seq;
 	__u8		expected_tx_seq;
 	__u8		buffer_seq;
 	__u8		buffer_seq_srej;
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 2d5d37545b1..78ab8811e5e 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -1333,7 +1333,7 @@ static int l2cap_retransmit_frame(struct sock *sk, u8 tx_seq)
 		tx_skb = skb_clone(skb, GFP_ATOMIC);
 		bt_cb(skb)->retries++;
 		control = get_unaligned_le16(tx_skb->data + L2CAP_HDR_SIZE);
-		control |= (pi->req_seq << L2CAP_CTRL_REQSEQ_SHIFT)
+		control |= (pi->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT)
 				| (tx_seq << L2CAP_CTRL_TXSEQ_SHIFT);
 		put_unaligned_le16(control, tx_skb->data + L2CAP_HDR_SIZE);
 
@@ -1375,7 +1375,7 @@ static int l2cap_ertm_send(struct sock *sk)
 		bt_cb(skb)->retries++;
 
 		control = get_unaligned_le16(tx_skb->data + L2CAP_HDR_SIZE);
-		control |= (pi->req_seq << L2CAP_CTRL_REQSEQ_SHIFT)
+		control |= (pi->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT)
 				| (pi->next_tx_seq << L2CAP_CTRL_TXSEQ_SHIFT);
 		put_unaligned_le16(control, tx_skb->data + L2CAP_HDR_SIZE);
 
@@ -3298,12 +3298,16 @@ static inline int l2cap_data_channel_iframe(struct sock *sk, u16 rx_control, str
 {
 	struct l2cap_pinfo *pi = l2cap_pi(sk);
 	u8 tx_seq = __get_txseq(rx_control);
+	u8 req_seq = __get_reqseq(rx_control);
 	u16 tx_control = 0;
 	u8 sar = rx_control >> L2CAP_CTRL_SAR_SHIFT;
 	int err = 0;
 
 	BT_DBG("sk %p rx_control 0x%4.4x len %d", sk, rx_control, skb->len);
 
+	pi->expected_ack_seq = req_seq;
+	l2cap_drop_acked_frames(sk);
+
 	if (tx_seq == pi->expected_tx_seq)
 		goto expected;
 
-- 
GitLab


From 4ec10d9720ef78cd81d8bcc30a3238665744569f Mon Sep 17 00:00:00 2001
From: "Gustavo F. Padovan" <gustavo@las.ic.unicamp.br>
Date: Sat, 3 Oct 2009 02:34:39 -0300
Subject: [PATCH 1750/1815] Bluetooth: Implement RejActioned flag

RejActioned is used to prevent retransmission when a entity is on the
WAIT_F state, i.e., waiting for a frame with F-bit set due local busy
condition or a expired retransmission timer. (When these two events raise
they send a frame with the Poll bit set and enters in the WAIT_F state to
wait for a frame with the Final bit set.)
The local entity doesn't send I-frames(the data frames) until the receipt
of a frame with F-bit set. When that happens it also set RejActioned to false.
RejActioned is a mandatory feature of ERTM spec.

Signed-off-by: Gustavo F. Padovan <gustavo@las.ic.unicamp.br>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---
 include/net/bluetooth/l2cap.h |  1 +
 net/bluetooth/l2cap.c         | 38 ++++++++++++++++++++++++++++++++---
 2 files changed, 36 insertions(+), 3 deletions(-)

diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 327eb57dab5..17a689f27a6 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -374,6 +374,7 @@ struct l2cap_pinfo {
 #define L2CAP_CONN_SEND_PBIT       0x10
 #define L2CAP_CONN_REMOTE_BUSY     0x20
 #define L2CAP_CONN_LOCAL_BUSY      0x40
+#define L2CAP_CONN_REJ_ACT         0x80
 
 #define __mod_retrans_timer() mod_timer(&l2cap_pi(sk)->retrans_timer, \
 		jiffies +  msecs_to_jiffies(L2CAP_DEFAULT_RETRANS_TO));
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 78ab8811e5e..73bda0ae41d 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -3362,6 +3362,16 @@ expected:
 		return 0;
 	}
 
+	if (rx_control & L2CAP_CTRL_FINAL) {
+		if (pi->conn_state & L2CAP_CONN_REJ_ACT)
+			pi->conn_state &= ~L2CAP_CONN_REJ_ACT;
+		else {
+			sk->sk_send_head = TX_QUEUE(sk)->next;
+			pi->next_tx_seq = pi->expected_ack_seq;
+			l2cap_ertm_send(sk);
+		}
+	}
+
 	pi->buffer_seq = (pi->buffer_seq + 1) % 64;
 
 	err = l2cap_sar_reassembly_sdu(sk, skb, rx_control);
@@ -3398,6 +3408,14 @@ static inline int l2cap_data_channel_sframe(struct sock *sk, u16 rx_control, str
 			pi->expected_ack_seq = tx_seq;
 			l2cap_drop_acked_frames(sk);
 
+			if (pi->conn_state & L2CAP_CONN_REJ_ACT)
+				pi->conn_state &= ~L2CAP_CONN_REJ_ACT;
+			else {
+				sk->sk_send_head = TX_QUEUE(sk)->next;
+				pi->next_tx_seq = pi->expected_ack_seq;
+				l2cap_ertm_send(sk);
+			}
+
 			if (!(pi->conn_state & L2CAP_CONN_WAIT_F))
 				break;
 
@@ -3425,10 +3443,24 @@ static inline int l2cap_data_channel_sframe(struct sock *sk, u16 rx_control, str
 		pi->expected_ack_seq = __get_reqseq(rx_control);
 		l2cap_drop_acked_frames(sk);
 
-		sk->sk_send_head = TX_QUEUE(sk)->next;
-		pi->next_tx_seq = pi->expected_ack_seq;
+		if (rx_control & L2CAP_CTRL_FINAL) {
+			if (pi->conn_state & L2CAP_CONN_REJ_ACT)
+				pi->conn_state &= ~L2CAP_CONN_REJ_ACT;
+			else {
+				sk->sk_send_head = TX_QUEUE(sk)->next;
+				pi->next_tx_seq = pi->expected_ack_seq;
+				l2cap_ertm_send(sk);
+			}
+		} else {
+			sk->sk_send_head = TX_QUEUE(sk)->next;
+			pi->next_tx_seq = pi->expected_ack_seq;
+			l2cap_ertm_send(sk);
 
-		l2cap_ertm_send(sk);
+			if (pi->conn_state & L2CAP_CONN_WAIT_F) {
+				pi->srej_save_reqseq = tx_seq;
+				pi->conn_state |= L2CAP_CONN_REJ_ACT;
+			}
+		}
 
 		break;
 
-- 
GitLab


From 2ab25cdd7b54473dd42dcffc9872737de2517466 Mon Sep 17 00:00:00 2001
From: "Gustavo F. Padovan" <gustavo@las.ic.unicamp.br>
Date: Sat, 3 Oct 2009 02:34:40 -0300
Subject: [PATCH 1751/1815] Bluetooth: Fix 'SendRRorRNR' to send the ReqSeq
 value

SendRRorRNR needs to acknowledge received I-frames (actually every packet
needs to acknowledge received I-frames by sending the proper packet
sequence number), so ReqSeq is set to the next I-frame number sequence to
be pulled by the reassembly function.
SendRRorRNR tells the remote side about local busy conditions, it sends
a Receiver Ready frame if local busy is false or a Receiver Not Ready
if local busy is true.
ReqSeq is the packet's field to send the number of the acknowledged
packets.

Signed-off-by: Gustavo F. Padovan <gustavo@las.ic.unicamp.br>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---
 net/bluetooth/l2cap.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 73bda0ae41d..c898f3439d1 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -373,6 +373,8 @@ static inline int l2cap_send_rr_or_rnr(struct l2cap_pinfo *pi, u16 control)
 	else
 		control |= L2CAP_SUPER_RCV_READY;
 
+	control |= pi->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT;
+
 	return l2cap_send_sframe(pi, control);
 }
 
-- 
GitLab


From 32fd63981ed453bd882f22e3e9b0ccbc11fb47e5 Mon Sep 17 00:00:00 2001
From: Amitkumar Karwar <akarwar@marvell.com>
Date: Wed, 30 Sep 2009 11:18:30 -0700
Subject: [PATCH 1752/1815] Bluetooth: Enable auto sleep mode for btmrvl driver

The auto sleep mode for btmrvl driver is not enabled by default.
This patch enables auto sleep mode when card is probed.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---
 drivers/bluetooth/btmrvl_drv.h  |  1 +
 drivers/bluetooth/btmrvl_main.c | 55 ++++++++++++++++++++-------------
 drivers/bluetooth/btmrvl_sdio.c |  2 ++
 3 files changed, 36 insertions(+), 22 deletions(-)

diff --git a/drivers/bluetooth/btmrvl_drv.h b/drivers/bluetooth/btmrvl_drv.h
index 411c7a77082..523d197b982 100644
--- a/drivers/bluetooth/btmrvl_drv.h
+++ b/drivers/bluetooth/btmrvl_drv.h
@@ -131,6 +131,7 @@ void btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb);
 int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb);
 
 int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, int subcmd);
+int btmrvl_enable_ps(struct btmrvl_private *priv);
 int btmrvl_prepare_command(struct btmrvl_private *priv);
 
 #ifdef CONFIG_DEBUG_FS
diff --git a/drivers/bluetooth/btmrvl_main.c b/drivers/bluetooth/btmrvl_main.c
index e605563b4ea..f97771ce432 100644
--- a/drivers/bluetooth/btmrvl_main.c
+++ b/drivers/bluetooth/btmrvl_main.c
@@ -189,6 +189,38 @@ int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, int subcmd)
 }
 EXPORT_SYMBOL_GPL(btmrvl_send_module_cfg_cmd);
 
+int btmrvl_enable_ps(struct btmrvl_private *priv)
+{
+	struct sk_buff *skb;
+	struct btmrvl_cmd *cmd;
+
+	skb = bt_skb_alloc(sizeof(*cmd), GFP_ATOMIC);
+	if (skb == NULL) {
+		BT_ERR("No free skb");
+		return -ENOMEM;
+	}
+
+	cmd = (struct btmrvl_cmd *) skb_put(skb, sizeof(*cmd));
+	cmd->ocf_ogf = cpu_to_le16(hci_opcode_pack(OGF,
+					BT_CMD_AUTO_SLEEP_MODE));
+	cmd->length = 1;
+
+	if (priv->btmrvl_dev.psmode)
+		cmd->data[0] = BT_PS_ENABLE;
+	else
+		cmd->data[0] = BT_PS_DISABLE;
+
+	bt_cb(skb)->pkt_type = MRVL_VENDOR_PKT;
+
+	skb->dev = (void *) priv->btmrvl_dev.hcidev;
+	skb_queue_head(&priv->adapter->tx_queue, skb);
+
+	BT_DBG("Queue PSMODE Command:%d", cmd->data[0]);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(btmrvl_enable_ps);
+
 static int btmrvl_enable_hs(struct btmrvl_private *priv)
 {
 	struct sk_buff *skb;
@@ -258,28 +290,7 @@ int btmrvl_prepare_command(struct btmrvl_private *priv)
 
 	if (priv->btmrvl_dev.pscmd) {
 		priv->btmrvl_dev.pscmd = 0;
-
-		skb = bt_skb_alloc(sizeof(*cmd), GFP_ATOMIC);
-		if (skb == NULL) {
-			BT_ERR("No free skb");
-			return -ENOMEM;
-		}
-
-		cmd = (struct btmrvl_cmd *) skb_put(skb, sizeof(*cmd));
-		cmd->ocf_ogf = cpu_to_le16(hci_opcode_pack(OGF, BT_CMD_AUTO_SLEEP_MODE));
-		cmd->length = 1;
-
-		if (priv->btmrvl_dev.psmode)
-			cmd->data[0] = BT_PS_ENABLE;
-		else
-			cmd->data[0] = BT_PS_DISABLE;
-
-		bt_cb(skb)->pkt_type = MRVL_VENDOR_PKT;
-
-		skb->dev = (void *) priv->btmrvl_dev.hcidev;
-		skb_queue_head(&priv->adapter->tx_queue, skb);
-
-		BT_DBG("Queue PSMODE Command:%d", cmd->data[0]);
+		btmrvl_enable_ps(priv);
 	}
 
 	if (priv->btmrvl_dev.hscmd) {
diff --git a/drivers/bluetooth/btmrvl_sdio.c b/drivers/bluetooth/btmrvl_sdio.c
index 5b33b85790f..d6aaf511a4f 100644
--- a/drivers/bluetooth/btmrvl_sdio.c
+++ b/drivers/bluetooth/btmrvl_sdio.c
@@ -930,6 +930,8 @@ static int btmrvl_sdio_probe(struct sdio_func *func,
 	priv->hw_wakeup_firmware = btmrvl_sdio_wakeup_fw;
 
 	btmrvl_send_module_cfg_cmd(priv, MODULE_BRINGUP_REQ);
+	priv->btmrvl_dev.psmode = 1;
+	btmrvl_enable_ps(priv);
 
 	return 0;
 
-- 
GitLab


From 5fbcd3d1a07e234583e17830e8aef47282c22141 Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Mon, 5 Oct 2009 11:35:43 +0200
Subject: [PATCH 1753/1815] Bluetooth: Add L2CAP option for max transmit value

For testing purposes it is important to modify the max transmit value.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---
 net/bluetooth/l2cap.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index c898f3439d1..5129b88c8e5 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -54,6 +54,7 @@
 #define VERSION "2.14"
 
 static int enable_ertm = 0;
+static int max_transmit = L2CAP_DEFAULT_MAX_TX;
 
 static u32 l2cap_feat_mask = L2CAP_FEAT_FIXED_CHAN;
 static u8 l2cap_fixed_chan[8] = { 0x02, };
@@ -2253,7 +2254,7 @@ done:
 	case L2CAP_MODE_ERTM:
 		rfc.mode            = L2CAP_MODE_ERTM;
 		rfc.txwin_size      = L2CAP_DEFAULT_TX_WINDOW;
-		rfc.max_transmit    = L2CAP_DEFAULT_MAX_TX;
+		rfc.max_transmit    = max_transmit;
 		rfc.retrans_timeout = 0;
 		rfc.monitor_timeout = 0;
 		rfc.max_pdu_size    = cpu_to_le16(L2CAP_DEFAULT_MAX_PDU_SIZE);
@@ -4060,6 +4061,9 @@ module_exit(l2cap_exit);
 module_param(enable_ertm, bool, 0644);
 MODULE_PARM_DESC(enable_ertm, "Enable enhanced retransmission mode");
 
+module_param(max_transmit, uint, 0644);
+MODULE_PARM_DESC(max_transmit, "Max transmit value (default = 3)");
+
 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
 MODULE_DESCRIPTION("Bluetooth L2CAP ver " VERSION);
 MODULE_VERSION(VERSION);
-- 
GitLab


From eae38eede2e5f70d65f09327297bd698b0d3ea7e Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Mon, 5 Oct 2009 12:23:48 +0200
Subject: [PATCH 1754/1815] Bluetooth: Add RFCOMM option to use L2CAP ERTM mode

By default the RFCOMM layer would still use L2CAP basic mode. For testing
purposes this option enables RFCOMM to select enhanced retransmission
mode.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---
 net/bluetooth/rfcomm/core.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index 25692bc0a34..fc5ee3296e2 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -51,6 +51,7 @@
 static int disable_cfc = 0;
 static int channel_mtu = -1;
 static unsigned int l2cap_mtu = RFCOMM_MAX_L2CAP_MTU;
+static int l2cap_ertm = 0;
 
 static struct task_struct *rfcomm_thread;
 
@@ -702,6 +703,8 @@ static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, bdaddr_t *dst
 	sk = sock->sk;
 	lock_sock(sk);
 	l2cap_pi(sk)->imtu = l2cap_mtu;
+	if (l2cap_ertm)
+		l2cap_pi(sk)->mode = L2CAP_MODE_ERTM;
 	release_sock(sk);
 
 	s = rfcomm_session_add(sock, BT_BOUND);
@@ -2185,6 +2188,9 @@ MODULE_PARM_DESC(channel_mtu, "Default MTU for the RFCOMM channel");
 module_param(l2cap_mtu, uint, 0644);
 MODULE_PARM_DESC(l2cap_mtu, "Default MTU for the L2CAP connection");
 
+module_param(l2cap_ertm, bool, 0644);
+MODULE_PARM_DESC(l2cap_ertm, "Use L2CAP ERTM mode for connection");
+
 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
 MODULE_DESCRIPTION("Bluetooth RFCOMM ver " VERSION);
 MODULE_VERSION(VERSION);
-- 
GitLab


From 2861453b1b5e022fd5e1294b8fbf39254440b661 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sat, 7 Nov 2009 21:41:18 +0000
Subject: [PATCH 1755/1815] Bluetooth: Declare MODULE_FIRMWARE for Marvell SDIO
 driver

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---
 drivers/bluetooth/btmrvl_sdio.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/bluetooth/btmrvl_sdio.c b/drivers/bluetooth/btmrvl_sdio.c
index d6aaf511a4f..1e6eb1aeba2 100644
--- a/drivers/bluetooth/btmrvl_sdio.c
+++ b/drivers/bluetooth/btmrvl_sdio.c
@@ -1003,3 +1003,5 @@ MODULE_AUTHOR("Marvell International Ltd.");
 MODULE_DESCRIPTION("Marvell BT-over-SDIO driver ver " VERSION);
 MODULE_VERSION(VERSION);
 MODULE_LICENSE("GPL v2");
+MODULE_FIRMWARE("sd8688_helper.bin");
+MODULE_FIRMWARE("sd8688.bin");
-- 
GitLab


From d285834001df372f81045bb41092e54943e93c84 Mon Sep 17 00:00:00 2001
From: Patrick McHardy <kaber@trash.net>
Date: Thu, 3 Dec 2009 01:25:53 +0000
Subject: [PATCH 1756/1815] net 01/05: fib_rules: rearrange struct fib_rule

commit b8952893d5d86f69c4e499d191b98c6658f64b0f
Author: Patrick McHardy <kaber@trash.net>
Date:   Thu Dec 3 12:05:22 2009 +0100

    net: fib_rules: rearrange struct fib_rule

    The ifname member is only used to resolve interface names and is not needed
    during rule lookups. The target and ctarget members however are used during
    rule lookups and are currently located in a second cacheline.

    Move ifname further to the end to make sure both target and ctarget are
    located in the same cacheline as other members used during rule lookups.

    The layout on 64 bit changes from:

    struct fib_rule {
    	...
            u32                        table;                /*    56     4 */
            u8                         action;               /*    60     1 */

            /* XXX 3 bytes hole, try to pack */

            /* --- cacheline 1 boundary (64 bytes) --- */
            u32                        target;               /*    64     4 */

            /* XXX 4 bytes hole, try to pack */

            struct fib_rule *          ctarget;              /*    72     8 */
            struct rcu_head            rcu;                  /*    80    16 */
            struct net *               fr_net;               /*    96     8 */
    };

    to:

    struct fib_rule {
    	...
            u32                        table;                /*    40     4 */
            u8                         action;               /*    44     1 */

            /* XXX 3 bytes hole, try to pack */

            u32                        target;               /*    48     4 */

            /* XXX 4 bytes hole, try to pack */

            struct fib_rule *          ctarget;              /*    56     8 */
            /* --- cacheline 1 boundary (64 bytes) --- */
            char                       ifname[16];           /*    64    16 */
            struct rcu_head            rcu;                  /*    80    16 */
            struct net *               fr_net;               /*    96     8 */

    };

    Signed-off-by: Patrick McHardy <kaber@trash.net>

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/fib_rules.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/net/fib_rules.h b/include/net/fib_rules.h
index 2cd707b15d5..22fb323cd85 100644
--- a/include/net/fib_rules.h
+++ b/include/net/fib_rules.h
@@ -11,7 +11,6 @@ struct fib_rule {
 	struct list_head	list;
 	atomic_t		refcnt;
 	int			ifindex;
-	char			ifname[IFNAMSIZ];
 	u32			mark;
 	u32			mark_mask;
 	u32			pref;
@@ -20,6 +19,7 @@ struct fib_rule {
 	u8			action;
 	u32			target;
 	struct fib_rule *	ctarget;
+	char			ifname[IFNAMSIZ];
 	struct rcu_head		rcu;
 	struct net *		fr_net;
 };
-- 
GitLab


From 491deb24bf5bf7124141287aaf02c3219783ceab Mon Sep 17 00:00:00 2001
From: Patrick McHardy <kaber@trash.net>
Date: Thu, 3 Dec 2009 01:25:54 +0000
Subject: [PATCH 1757/1815] net 02/05: fib_rules: rename
 ifindex/ifname/FRA_IFNAME to iifindex/iifname/FRA_IIFNAME

commit 229e77eec406ad68662f18e49fda8b5d366768c5
Author: Patrick McHardy <kaber@trash.net>
Date:   Thu Dec 3 12:05:23 2009 +0100

    net: fib_rules: rename ifindex/ifname/FRA_IFNAME to iifindex/iifname/FRA_IIFNAME

    The next patch will add oif classification, rename interface related members
    and attributes to reflect that they're used for iif classification.

    Signed-off-by: Patrick McHardy <kaber@trash.net>

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/fib_rules.h |  6 ++++--
 include/net/fib_rules.h   |  6 +++---
 net/core/fib_rules.c      | 36 ++++++++++++++++++------------------
 3 files changed, 25 insertions(+), 23 deletions(-)

diff --git a/include/linux/fib_rules.h b/include/linux/fib_rules.h
index c7e5b700bb9..7e11bb2fa65 100644
--- a/include/linux/fib_rules.h
+++ b/include/linux/fib_rules.h
@@ -8,7 +8,8 @@
 #define FIB_RULE_PERMANENT	0x00000001
 #define FIB_RULE_INVERT		0x00000002
 #define FIB_RULE_UNRESOLVED	0x00000004
-#define FIB_RULE_DEV_DETACHED	0x00000008
+#define FIB_RULE_IIF_DETACHED	0x00000008
+#define FIB_RULE_DEV_DETACHED	FIB_RULE_IIF_DETACHED
 
 /* try to find source address in routing lookups */
 #define FIB_RULE_FIND_SADDR	0x00010000
@@ -31,7 +32,8 @@ enum {
 	FRA_UNSPEC,
 	FRA_DST,	/* destination address */
 	FRA_SRC,	/* source address */
-	FRA_IFNAME,	/* interface name */
+	FRA_IIFNAME,	/* interface name */
+#define FRA_IFNAME	FRA_IIFNAME
 	FRA_GOTO,	/* target to jump to (FR_ACT_GOTO) */
 	FRA_UNUSED2,
 	FRA_PRIORITY,	/* priority/preference */
diff --git a/include/net/fib_rules.h b/include/net/fib_rules.h
index 22fb323cd85..62bebcb2a51 100644
--- a/include/net/fib_rules.h
+++ b/include/net/fib_rules.h
@@ -10,7 +10,7 @@
 struct fib_rule {
 	struct list_head	list;
 	atomic_t		refcnt;
-	int			ifindex;
+	int			iifindex;
 	u32			mark;
 	u32			mark_mask;
 	u32			pref;
@@ -19,7 +19,7 @@ struct fib_rule {
 	u8			action;
 	u32			target;
 	struct fib_rule *	ctarget;
-	char			ifname[IFNAMSIZ];
+	char			iifname[IFNAMSIZ];
 	struct rcu_head		rcu;
 	struct net *		fr_net;
 };
@@ -67,7 +67,7 @@ struct fib_rules_ops {
 };
 
 #define FRA_GENERIC_POLICY \
-	[FRA_IFNAME]	= { .type = NLA_STRING, .len = IFNAMSIZ - 1 }, \
+	[FRA_IIFNAME]	= { .type = NLA_STRING, .len = IFNAMSIZ - 1 }, \
 	[FRA_PRIORITY]	= { .type = NLA_U32 }, \
 	[FRA_FWMARK]	= { .type = NLA_U32 }, \
 	[FRA_FWMASK]	= { .type = NLA_U32 }, \
diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c
index bd309384f8b..8e8028cdc87 100644
--- a/net/core/fib_rules.c
+++ b/net/core/fib_rules.c
@@ -135,7 +135,7 @@ static int fib_rule_match(struct fib_rule *rule, struct fib_rules_ops *ops,
 {
 	int ret = 0;
 
-	if (rule->ifindex && (rule->ifindex != fl->iif))
+	if (rule->iifindex && (rule->iifindex != fl->iif))
 		goto out;
 
 	if ((rule->mark ^ fl->mark) & rule->mark_mask)
@@ -248,14 +248,14 @@ static int fib_nl_newrule(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
 	if (tb[FRA_PRIORITY])
 		rule->pref = nla_get_u32(tb[FRA_PRIORITY]);
 
-	if (tb[FRA_IFNAME]) {
+	if (tb[FRA_IIFNAME]) {
 		struct net_device *dev;
 
-		rule->ifindex = -1;
-		nla_strlcpy(rule->ifname, tb[FRA_IFNAME], IFNAMSIZ);
-		dev = __dev_get_by_name(net, rule->ifname);
+		rule->iifindex = -1;
+		nla_strlcpy(rule->iifname, tb[FRA_IIFNAME], IFNAMSIZ);
+		dev = __dev_get_by_name(net, rule->iifname);
 		if (dev)
-			rule->ifindex = dev->ifindex;
+			rule->iifindex = dev->ifindex;
 	}
 
 	if (tb[FRA_FWMARK]) {
@@ -388,8 +388,8 @@ static int fib_nl_delrule(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
 		    (rule->pref != nla_get_u32(tb[FRA_PRIORITY])))
 			continue;
 
-		if (tb[FRA_IFNAME] &&
-		    nla_strcmp(tb[FRA_IFNAME], rule->ifname))
+		if (tb[FRA_IIFNAME] &&
+		    nla_strcmp(tb[FRA_IIFNAME], rule->iifname))
 			continue;
 
 		if (tb[FRA_FWMARK] &&
@@ -447,7 +447,7 @@ static inline size_t fib_rule_nlmsg_size(struct fib_rules_ops *ops,
 					 struct fib_rule *rule)
 {
 	size_t payload = NLMSG_ALIGN(sizeof(struct fib_rule_hdr))
-			 + nla_total_size(IFNAMSIZ) /* FRA_IFNAME */
+			 + nla_total_size(IFNAMSIZ) /* FRA_IIFNAME */
 			 + nla_total_size(4) /* FRA_PRIORITY */
 			 + nla_total_size(4) /* FRA_TABLE */
 			 + nla_total_size(4) /* FRA_FWMARK */
@@ -481,11 +481,11 @@ static int fib_nl_fill_rule(struct sk_buff *skb, struct fib_rule *rule,
 	if (rule->action == FR_ACT_GOTO && rule->ctarget == NULL)
 		frh->flags |= FIB_RULE_UNRESOLVED;
 
-	if (rule->ifname[0]) {
-		NLA_PUT_STRING(skb, FRA_IFNAME, rule->ifname);
+	if (rule->iifname[0]) {
+		NLA_PUT_STRING(skb, FRA_IIFNAME, rule->iifname);
 
-		if (rule->ifindex == -1)
-			frh->flags |= FIB_RULE_DEV_DETACHED;
+		if (rule->iifindex == -1)
+			frh->flags |= FIB_RULE_IIF_DETACHED;
 	}
 
 	if (rule->pref)
@@ -600,9 +600,9 @@ static void attach_rules(struct list_head *rules, struct net_device *dev)
 	struct fib_rule *rule;
 
 	list_for_each_entry(rule, rules, list) {
-		if (rule->ifindex == -1 &&
-		    strcmp(dev->name, rule->ifname) == 0)
-			rule->ifindex = dev->ifindex;
+		if (rule->iifindex == -1 &&
+		    strcmp(dev->name, rule->iifname) == 0)
+			rule->iifindex = dev->ifindex;
 	}
 }
 
@@ -611,8 +611,8 @@ static void detach_rules(struct list_head *rules, struct net_device *dev)
 	struct fib_rule *rule;
 
 	list_for_each_entry(rule, rules, list)
-		if (rule->ifindex == dev->ifindex)
-			rule->ifindex = -1;
+		if (rule->iifindex == dev->ifindex)
+			rule->iifindex = -1;
 }
 
 
-- 
GitLab


From 1b038a5e60c7812f19818e8a5df96d029e49c38f Mon Sep 17 00:00:00 2001
From: Patrick McHardy <kaber@trash.net>
Date: Thu, 3 Dec 2009 01:25:56 +0000
Subject: [PATCH 1758/1815] net 03/05: fib_rules: add oif classification

commit 68144d350f4f6c348659c825cde6a82b34c27a91
Author: Patrick McHardy <kaber@trash.net>
Date:   Thu Dec 3 12:05:25 2009 +0100

    net: fib_rules: add oif classification

    Support routing table lookup based on the flow's oif. This is useful to
    classify packets originating from sockets bound to interfaces differently.

    The route cache already includes the oif and needs no changes.

    Signed-off-by: Patrick McHardy <kaber@trash.net>

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/linux/fib_rules.h |  2 ++
 include/net/fib_rules.h   |  3 +++
 net/core/fib_rules.c      | 33 ++++++++++++++++++++++++++++++++-
 3 files changed, 37 insertions(+), 1 deletion(-)

diff --git a/include/linux/fib_rules.h b/include/linux/fib_rules.h
index 7e11bb2fa65..51da65b68b8 100644
--- a/include/linux/fib_rules.h
+++ b/include/linux/fib_rules.h
@@ -10,6 +10,7 @@
 #define FIB_RULE_UNRESOLVED	0x00000004
 #define FIB_RULE_IIF_DETACHED	0x00000008
 #define FIB_RULE_DEV_DETACHED	FIB_RULE_IIF_DETACHED
+#define FIB_RULE_OIF_DETACHED	0x00000010
 
 /* try to find source address in routing lookups */
 #define FIB_RULE_FIND_SADDR	0x00010000
@@ -47,6 +48,7 @@ enum {
 	FRA_UNUSED8,
 	FRA_TABLE,	/* Extended table id */
 	FRA_FWMASK,	/* mask for netfilter mark */
+	FRA_OIFNAME,
 	__FRA_MAX
 };
 
diff --git a/include/net/fib_rules.h b/include/net/fib_rules.h
index 62bebcb2a51..d4e875a58f8 100644
--- a/include/net/fib_rules.h
+++ b/include/net/fib_rules.h
@@ -11,6 +11,7 @@ struct fib_rule {
 	struct list_head	list;
 	atomic_t		refcnt;
 	int			iifindex;
+	int			oifindex;
 	u32			mark;
 	u32			mark_mask;
 	u32			pref;
@@ -20,6 +21,7 @@ struct fib_rule {
 	u32			target;
 	struct fib_rule *	ctarget;
 	char			iifname[IFNAMSIZ];
+	char			oifname[IFNAMSIZ];
 	struct rcu_head		rcu;
 	struct net *		fr_net;
 };
@@ -68,6 +70,7 @@ struct fib_rules_ops {
 
 #define FRA_GENERIC_POLICY \
 	[FRA_IIFNAME]	= { .type = NLA_STRING, .len = IFNAMSIZ - 1 }, \
+	[FRA_OIFNAME]	= { .type = NLA_STRING, .len = IFNAMSIZ - 1 }, \
 	[FRA_PRIORITY]	= { .type = NLA_U32 }, \
 	[FRA_FWMARK]	= { .type = NLA_U32 }, \
 	[FRA_FWMASK]	= { .type = NLA_U32 }, \
diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c
index 8e8028cdc87..d1a70ad4b54 100644
--- a/net/core/fib_rules.c
+++ b/net/core/fib_rules.c
@@ -138,6 +138,9 @@ static int fib_rule_match(struct fib_rule *rule, struct fib_rules_ops *ops,
 	if (rule->iifindex && (rule->iifindex != fl->iif))
 		goto out;
 
+	if (rule->oifindex && (rule->oifindex != fl->oif))
+		goto out;
+
 	if ((rule->mark ^ fl->mark) & rule->mark_mask)
 		goto out;
 
@@ -258,6 +261,16 @@ static int fib_nl_newrule(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
 			rule->iifindex = dev->ifindex;
 	}
 
+	if (tb[FRA_OIFNAME]) {
+		struct net_device *dev;
+
+		rule->oifindex = -1;
+		nla_strlcpy(rule->oifname, tb[FRA_OIFNAME], IFNAMSIZ);
+		dev = __dev_get_by_name(net, rule->oifname);
+		if (dev)
+			rule->oifindex = dev->ifindex;
+	}
+
 	if (tb[FRA_FWMARK]) {
 		rule->mark = nla_get_u32(tb[FRA_FWMARK]);
 		if (rule->mark)
@@ -392,6 +405,10 @@ static int fib_nl_delrule(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
 		    nla_strcmp(tb[FRA_IIFNAME], rule->iifname))
 			continue;
 
+		if (tb[FRA_OIFNAME] &&
+		    nla_strcmp(tb[FRA_OIFNAME], rule->oifname))
+			continue;
+
 		if (tb[FRA_FWMARK] &&
 		    (rule->mark != nla_get_u32(tb[FRA_FWMARK])))
 			continue;
@@ -448,6 +465,7 @@ static inline size_t fib_rule_nlmsg_size(struct fib_rules_ops *ops,
 {
 	size_t payload = NLMSG_ALIGN(sizeof(struct fib_rule_hdr))
 			 + nla_total_size(IFNAMSIZ) /* FRA_IIFNAME */
+			 + nla_total_size(IFNAMSIZ) /* FRA_OIFNAME */
 			 + nla_total_size(4) /* FRA_PRIORITY */
 			 + nla_total_size(4) /* FRA_TABLE */
 			 + nla_total_size(4) /* FRA_FWMARK */
@@ -488,6 +506,13 @@ static int fib_nl_fill_rule(struct sk_buff *skb, struct fib_rule *rule,
 			frh->flags |= FIB_RULE_IIF_DETACHED;
 	}
 
+	if (rule->oifname[0]) {
+		NLA_PUT_STRING(skb, FRA_OIFNAME, rule->oifname);
+
+		if (rule->oifindex == -1)
+			frh->flags |= FIB_RULE_OIF_DETACHED;
+	}
+
 	if (rule->pref)
 		NLA_PUT_U32(skb, FRA_PRIORITY, rule->pref);
 
@@ -603,6 +628,9 @@ static void attach_rules(struct list_head *rules, struct net_device *dev)
 		if (rule->iifindex == -1 &&
 		    strcmp(dev->name, rule->iifname) == 0)
 			rule->iifindex = dev->ifindex;
+		if (rule->oifindex == -1 &&
+		    strcmp(dev->name, rule->oifname) == 0)
+			rule->oifindex = dev->ifindex;
 	}
 }
 
@@ -610,9 +638,12 @@ static void detach_rules(struct list_head *rules, struct net_device *dev)
 {
 	struct fib_rule *rule;
 
-	list_for_each_entry(rule, rules, list)
+	list_for_each_entry(rule, rules, list) {
 		if (rule->iifindex == dev->ifindex)
 			rule->iifindex = -1;
+		if (rule->oifindex == dev->ifindex)
+			rule->oifindex = -1;
+	}
 }
 
 
-- 
GitLab


From 5adef1809147a9c39119ffd5a13a1ca4fe23a411 Mon Sep 17 00:00:00 2001
From: Patrick McHardy <kaber@trash.net>
Date: Thu, 3 Dec 2009 01:25:57 +0000
Subject: [PATCH 1759/1815] net 04/05: fib_rules: allow to delete local rule

commit d124356ce314fff22a047ea334379d5105b2d834
Author: Patrick McHardy <kaber@trash.net>
Date:   Thu Dec 3 12:16:35 2009 +0100

    net: fib_rules: allow to delete local rule

    Allow to delete the local rule and recreate it with a higher priority. This
    can be used to force packets with a local destination out on the wire instead
    of routing them to loopback. Additionally this patch allows to recreate rules
    with a priority of 0.

    Combined with the previous patch to allow oif classification, a socket can
    be bound to the desired interface and packets routed to the wire like this:

    # move local rule to lower priority
    ip rule add pref 1000 lookup local
    ip rule del pref 0

    # route packets of sockets bound to eth0 to the wire independant
    # of the destination address
    ip rule add pref 100 oif eth0 lookup 100
    ip route add default dev eth0 table 100

    Signed-off-by: Patrick McHardy <kaber@trash.net>

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/fib_rules.c  | 2 +-
 net/ipv4/fib_rules.c  | 2 +-
 net/ipv6/fib6_rules.c | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c
index d1a70ad4b54..ef0e7d9e664 100644
--- a/net/core/fib_rules.c
+++ b/net/core/fib_rules.c
@@ -287,7 +287,7 @@ static int fib_nl_newrule(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
 	rule->flags = frh->flags;
 	rule->table = frh_get_table(frh, tb);
 
-	if (!rule->pref && ops->default_pref)
+	if (!tb[FRA_PRIORITY] && ops->default_pref)
 		rule->pref = ops->default_pref(ops);
 
 	err = -EINVAL;
diff --git a/net/ipv4/fib_rules.c b/net/ipv4/fib_rules.c
index 835262c2b86..1239ed23cab 100644
--- a/net/ipv4/fib_rules.c
+++ b/net/ipv4/fib_rules.c
@@ -284,7 +284,7 @@ static int fib_default_rules_init(struct fib_rules_ops *ops)
 {
 	int err;
 
-	err = fib_default_rule_add(ops, 0, RT_TABLE_LOCAL, FIB_RULE_PERMANENT);
+	err = fib_default_rule_add(ops, 0, RT_TABLE_LOCAL, 0);
 	if (err < 0)
 		return err;
 	err = fib_default_rule_add(ops, 0x7FFE, RT_TABLE_MAIN, 0);
diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c
index 00a7a5e4ac9..3b38f49f2c2 100644
--- a/net/ipv6/fib6_rules.c
+++ b/net/ipv6/fib6_rules.c
@@ -276,7 +276,7 @@ static int fib6_rules_net_init(struct net *net)
 	INIT_LIST_HEAD(&net->ipv6.fib6_rules_ops->rules_list);
 
 	err = fib_default_rule_add(net->ipv6.fib6_rules_ops, 0,
-				   RT6_TABLE_LOCAL, FIB_RULE_PERMANENT);
+				   RT6_TABLE_LOCAL, 0);
 	if (err)
 		goto out_fib6_rules_ops;
 
-- 
GitLab


From 8153a10c08f1312af563bb92532002e46d3f504a Mon Sep 17 00:00:00 2001
From: Patrick McHardy <kaber@trash.net>
Date: Thu, 3 Dec 2009 01:25:58 +0000
Subject: [PATCH 1760/1815] ipv4 05/05: add sysctl to accept packets with local
 source addresses

commit 8ec1e0ebe26087bfc5c0394ada5feb5758014fc8
Author: Patrick McHardy <kaber@trash.net>
Date:   Thu Dec 3 12:16:35 2009 +0100

    ipv4: add sysctl to accept packets with local source addresses

    Change fib_validate_source() to accept packets with a local source address when
    the "accept_local" sysctl is set for the incoming inet device. Combined with the
    previous patches, this allows to communicate between multiple local interfaces
    over the wire.

    Signed-off-by: Patrick McHardy <kaber@trash.net>

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 Documentation/networking/ip-sysctl.txt |  6 ++++++
 include/linux/inetdevice.h             |  1 +
 include/linux/sysctl.h                 |  1 +
 kernel/sysctl_check.c                  |  1 +
 net/ipv4/devinet.c                     |  1 +
 net/ipv4/fib_frontend.c                | 11 +++++++----
 6 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 989f5538b8d..006b39dec87 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -731,6 +731,12 @@ accept_source_route - BOOLEAN
 	default TRUE (router)
 		FALSE (host)
 
+accept_local - BOOLEAN
+	Accept packets with local source addresses. In combination with
+	suitable routing, this can be used to direct packets between two
+	local interfaces over the wire and have them accepted properly.
+	default FALSE
+
 rp_filter - INTEGER
 	0 - No source validation.
 	1 - Strict mode as defined in RFC3704 Strict Reverse Path
diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h
index eecfa559bfb..699e85c01a4 100644
--- a/include/linux/inetdevice.h
+++ b/include/linux/inetdevice.h
@@ -83,6 +83,7 @@ static inline void ipv4_devconf_setall(struct in_device *in_dev)
 #define IN_DEV_RPFILTER(in_dev)		IN_DEV_MAXCONF((in_dev), RP_FILTER)
 #define IN_DEV_SOURCE_ROUTE(in_dev)	IN_DEV_ANDCONF((in_dev), \
 						       ACCEPT_SOURCE_ROUTE)
+#define IN_DEV_ACCEPT_LOCAL(in_dev)	IN_DEV_ORCONF((in_dev), ACCEPT_LOCAL)
 #define IN_DEV_BOOTP_RELAY(in_dev)	IN_DEV_ANDCONF((in_dev), BOOTP_RELAY)
 
 #define IN_DEV_LOG_MARTIANS(in_dev)	IN_DEV_ORCONF((in_dev), LOG_MARTIANS)
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 1e4743ee683..9f047d73a21 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -490,6 +490,7 @@ enum
 	NET_IPV4_CONF_PROMOTE_SECONDARIES=20,
 	NET_IPV4_CONF_ARP_ACCEPT=21,
 	NET_IPV4_CONF_ARP_NOTIFY=22,
+	NET_IPV4_CONF_ACCEPT_LOCAL=23,
 	__NET_IPV4_CONF_MAX
 };
 
diff --git a/kernel/sysctl_check.c b/kernel/sysctl_check.c
index b6e7aaea460..f1d676e4b36 100644
--- a/kernel/sysctl_check.c
+++ b/kernel/sysctl_check.c
@@ -220,6 +220,7 @@ static const struct trans_ctl_table trans_net_ipv4_conf_vars_table[] = {
 	{ NET_IPV4_CONF_PROMOTE_SECONDARIES,	"promote_secondaries" },
 	{ NET_IPV4_CONF_ARP_ACCEPT,		"arp_accept" },
 	{ NET_IPV4_CONF_ARP_NOTIFY,		"arp_notify" },
+	{ NET_IPV4_CONF_ACCEPT_LOCAL,		"accept_local" },
 	{}
 };
 
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index c100709d6dd..e3126612fcb 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1468,6 +1468,7 @@ static struct devinet_sysctl_table {
 		DEVINET_SYSCTL_RW_ENTRY(SEND_REDIRECTS, "send_redirects"),
 		DEVINET_SYSCTL_RW_ENTRY(ACCEPT_SOURCE_ROUTE,
 					"accept_source_route"),
+		DEVINET_SYSCTL_RW_ENTRY(ACCEPT_LOCAL, "accept_local"),
 		DEVINET_SYSCTL_RW_ENTRY(PROXY_ARP, "proxy_arp"),
 		DEVINET_SYSCTL_RW_ENTRY(MEDIUM_ID, "medium_id"),
 		DEVINET_SYSCTL_RW_ENTRY(BOOTP_RELAY, "bootp_relay"),
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 3b373a8b047..3323168ee52 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -241,16 +241,17 @@ int fib_validate_source(__be32 src, __be32 dst, u8 tos, int oif,
 			    .iif = oif };
 
 	struct fib_result res;
-	int no_addr, rpf;
+	int no_addr, rpf, accept_local;
 	int ret;
 	struct net *net;
 
-	no_addr = rpf = 0;
+	no_addr = rpf = accept_local = 0;
 	rcu_read_lock();
 	in_dev = __in_dev_get_rcu(dev);
 	if (in_dev) {
 		no_addr = in_dev->ifa_list == NULL;
 		rpf = IN_DEV_RPFILTER(in_dev);
+		accept_local = IN_DEV_ACCEPT_LOCAL(in_dev);
 	}
 	rcu_read_unlock();
 
@@ -260,8 +261,10 @@ int fib_validate_source(__be32 src, __be32 dst, u8 tos, int oif,
 	net = dev_net(dev);
 	if (fib_lookup(net, &fl, &res))
 		goto last_resort;
-	if (res.type != RTN_UNICAST)
-		goto e_inval_res;
+	if (res.type != RTN_UNICAST) {
+		if (res.type != RTN_LOCAL || !accept_local)
+			goto e_inval_res;
+	}
 	*spec_dst = FIB_RES_PREFSRC(res);
 	fib_combine_itag(itag, &res);
 #ifdef CONFIG_IP_ROUTE_MULTIPATH
-- 
GitLab


From 72ad937abd0a43b7cf2c557ba1f2ec75e608c516 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Thu, 3 Dec 2009 02:29:03 +0000
Subject: [PATCH 1761/1815] net: Add support for batching network namespace
 cleanups

- Add exit_list to struct net to support building lists of network
  namespaces to cleanup.

- Add exit_batch to pernet_operations to allow running operations only
  once during a network namespace exit.  Instead of once per network
  namespace.

- Factor opt ops_exit_list and ops_exit_free so the logic with cleanup
  up a network namespace does not need to be duplicated.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/net_namespace.h |   2 +
 net/core/net_namespace.c    | 122 ++++++++++++++++++------------------
 2 files changed, 63 insertions(+), 61 deletions(-)

diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 24a8c5591f6..f307e133d14 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -43,6 +43,7 @@ struct net {
 #endif
 	struct list_head	list;		/* list of network namespaces */
 	struct list_head	cleanup_list;	/* namespaces on death row */
+	struct list_head	exit_list;	/* Use only net_mutex */
 
 	struct proc_dir_entry 	*proc_net;
 	struct proc_dir_entry 	*proc_net_stat;
@@ -236,6 +237,7 @@ struct pernet_operations {
 	struct list_head list;
 	int (*init)(struct net *net);
 	void (*exit)(struct net *net);
+	void (*exit_batch)(struct list_head *net_exit_list);
 	int *id;
 	size_t size;
 };
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 9679ad292da..6c7f6e04dbb 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -70,6 +70,36 @@ static void ops_free(const struct pernet_operations *ops, struct net *net)
 	}
 }
 
+static void ops_exit_list(const struct pernet_operations *ops,
+			  struct list_head *net_exit_list)
+{
+	struct net *net;
+	if (ops->exit) {
+		list_for_each_entry(net, net_exit_list, exit_list)
+			ops->exit(net);
+	}
+	if (&ops->list == first_device) {
+		LIST_HEAD(dev_kill_list);
+		rtnl_lock();
+		list_for_each_entry(net, net_exit_list, exit_list)
+			unregister_netdevices(net, &dev_kill_list);
+		unregister_netdevice_many(&dev_kill_list);
+		rtnl_unlock();
+	}
+	if (ops->exit_batch)
+		ops->exit_batch(net_exit_list);
+}
+
+static void ops_free_list(const struct pernet_operations *ops,
+			  struct list_head *net_exit_list)
+{
+	struct net *net;
+	if (ops->size && ops->id) {
+		list_for_each_entry(net, net_exit_list, exit_list)
+			ops_free(ops, net);
+	}
+}
+
 /*
  * setup_net runs the initializers for the network namespace object.
  */
@@ -78,6 +108,7 @@ static __net_init int setup_net(struct net *net)
 	/* Must be called with net_mutex held */
 	const struct pernet_operations *ops, *saved_ops;
 	int error = 0;
+	LIST_HEAD(net_exit_list);
 
 	atomic_set(&net->count, 1);
 
@@ -97,21 +128,14 @@ out_undo:
 	/* Walk through the list backwards calling the exit functions
 	 * for the pernet modules whose init functions did not fail.
 	 */
+	list_add(&net->exit_list, &net_exit_list);
 	saved_ops = ops;
-	list_for_each_entry_continue_reverse(ops, &pernet_list, list) {
-		if (ops->exit)
-			ops->exit(net);
-		if (&ops->list == first_device) {
-			LIST_HEAD(dev_kill_list);
-			rtnl_lock();
-			unregister_netdevices(net, &dev_kill_list);
-			unregister_netdevice_many(&dev_kill_list);
-			rtnl_unlock();
-		}
-	}
+	list_for_each_entry_continue_reverse(ops, &pernet_list, list)
+		ops_exit_list(ops, &net_exit_list);
+
 	ops = saved_ops;
 	list_for_each_entry_continue_reverse(ops, &pernet_list, list)
-		ops_free(ops, net);
+		ops_free_list(ops, &net_exit_list);
 
 	rcu_barrier();
 	goto out;
@@ -207,6 +231,7 @@ static void cleanup_net(struct work_struct *work)
 	const struct pernet_operations *ops;
 	struct net *net, *tmp;
 	LIST_HEAD(net_kill_list);
+	LIST_HEAD(net_exit_list);
 
 	/* Atomically snapshot the list of namespaces to cleanup */
 	spin_lock_irq(&cleanup_list_lock);
@@ -217,8 +242,10 @@ static void cleanup_net(struct work_struct *work)
 
 	/* Don't let anyone else find us. */
 	rtnl_lock();
-	list_for_each_entry(net, &net_kill_list, cleanup_list)
+	list_for_each_entry(net, &net_kill_list, cleanup_list) {
 		list_del_rcu(&net->list);
+		list_add_tail(&net->exit_list, &net_exit_list);
+	}
 	rtnl_unlock();
 
 	/*
@@ -229,27 +256,12 @@ static void cleanup_net(struct work_struct *work)
 	synchronize_rcu();
 
 	/* Run all of the network namespace exit methods */
-	list_for_each_entry_reverse(ops, &pernet_list, list) {
-		if (ops->exit) {
-			list_for_each_entry(net, &net_kill_list, cleanup_list)
-				ops->exit(net);
-		}
-		if (&ops->list == first_device) {
-			LIST_HEAD(dev_kill_list);
-			rtnl_lock();
-			list_for_each_entry(net, &net_kill_list, cleanup_list)
-				unregister_netdevices(net, &dev_kill_list);
-			unregister_netdevice_many(&dev_kill_list);
-			rtnl_unlock();
-		}
-	}
+	list_for_each_entry_reverse(ops, &pernet_list, list)
+		ops_exit_list(ops, &net_exit_list);
+
 	/* Free the net generic variables */
-	list_for_each_entry_reverse(ops, &pernet_list, list) {
-		if (ops->size && ops->id) {
-			list_for_each_entry(net, &net_kill_list, cleanup_list)
-				ops_free(ops, net);
-		}
-	}
+	list_for_each_entry_reverse(ops, &pernet_list, list)
+		ops_free_list(ops, &net_exit_list);
 
 	mutex_unlock(&net_mutex);
 
@@ -259,8 +271,8 @@ static void cleanup_net(struct work_struct *work)
 	rcu_barrier();
 
 	/* Finally it is safe to free my network namespace structure */
-	list_for_each_entry_safe(net, tmp, &net_kill_list, cleanup_list) {
-		list_del_init(&net->cleanup_list);
+	list_for_each_entry_safe(net, tmp, &net_exit_list, exit_list) {
+		list_del_init(&net->exit_list);
 		net_free(net);
 	}
 }
@@ -348,8 +360,9 @@ pure_initcall(net_ns_init);
 static int __register_pernet_operations(struct list_head *list,
 					struct pernet_operations *ops)
 {
-	struct net *net, *undo_net;
+	struct net *net;
 	int error;
+	LIST_HEAD(net_exit_list);
 
 	list_add_tail(&ops->list, list);
 	if (ops->init || (ops->id && ops->size)) {
@@ -357,6 +370,7 @@ static int __register_pernet_operations(struct list_head *list,
 			error = ops_init(ops, net);
 			if (error)
 				goto out_undo;
+			list_add_tail(&net->exit_list, &net_exit_list);
 		}
 	}
 	return 0;
@@ -364,36 +378,21 @@ static int __register_pernet_operations(struct list_head *list,
 out_undo:
 	/* If I have an error cleanup all namespaces I initialized */
 	list_del(&ops->list);
-	if (ops->exit) {
-		for_each_net(undo_net) {
-			if (net_eq(undo_net, net))
-				goto undone;
-			ops->exit(undo_net);
-		}
-	}
-undone:
-	if (ops->size && ops->id) {
-		for_each_net(undo_net) {
-			if (net_eq(undo_net, net))
-				goto freed;
-			ops_free(ops, undo_net);
-		}
-	}
-freed:
+	ops_exit_list(ops, &net_exit_list);
+	ops_free_list(ops, &net_exit_list);
 	return error;
 }
 
 static void __unregister_pernet_operations(struct pernet_operations *ops)
 {
 	struct net *net;
+	LIST_HEAD(net_exit_list);
 
 	list_del(&ops->list);
-	if (ops->exit)
-		for_each_net(net)
-			ops->exit(net);
-	if (ops->id && ops->size)
-		for_each_net(net)
-			ops_free(ops, net);
+	for_each_net(net)
+		list_add_tail(&net->exit_list, &net_exit_list);
+	ops_exit_list(ops, &net_exit_list);
+	ops_free_list(ops, &net_exit_list);
 }
 
 #else
@@ -411,9 +410,10 @@ static int __register_pernet_operations(struct list_head *list,
 
 static void __unregister_pernet_operations(struct pernet_operations *ops)
 {
-	if (ops->exit)
-		ops->exit(&init_net);
-	ops_free(ops, &init_net);
+	LIST_HEAD(net_exit_list);
+	list_add(&init_net.exit_list, &net_exit_list);
+	ops_exit_list(ops, &net_exit_list);
+	ops_free_list(ops, &net_exit_list);
 }
 
 #endif /* CONFIG_NET_NS */
-- 
GitLab


From 04dc7f6be3a7b308f8545bb45772c9fb75f71aca Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Thu, 3 Dec 2009 02:29:04 +0000
Subject: [PATCH 1762/1815] net: Move network device exit batching

Move network device exit batching from a special case in
net_namespace.c to using common mechanisms in dev.c

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/dev.c           | 25 +++++++++++++++++++++++++
 net/core/net_namespace.c | 24 ------------------------
 2 files changed, 25 insertions(+), 24 deletions(-)

diff --git a/net/core/dev.c b/net/core/dev.c
index e3e18dee0bd..0913a08a87d 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5766,8 +5766,33 @@ static void __net_exit default_device_exit(struct net *net)
 	rtnl_unlock();
 }
 
+static void __net_exit default_device_exit_batch(struct list_head *net_list)
+{
+	/* At exit all network devices most be removed from a network
+	 * namespace.  Do this in the reverse order of registeration.
+	 * Do this across as many network namespaces as possible to
+	 * improve batching efficiency.
+	 */
+	struct net_device *dev;
+	struct net *net;
+	LIST_HEAD(dev_kill_list);
+
+	rtnl_lock();
+	list_for_each_entry(net, net_list, exit_list) {
+		for_each_netdev_reverse(net, dev) {
+			if (dev->rtnl_link_ops)
+				dev->rtnl_link_ops->dellink(dev, &dev_kill_list);
+			else
+				unregister_netdevice_queue(dev, &dev_kill_list);
+		}
+	}
+	unregister_netdevice_many(&dev_kill_list);
+	rtnl_unlock();
+}
+
 static struct pernet_operations __net_initdata default_device_ops = {
 	.exit = default_device_exit,
+	.exit_batch = default_device_exit_batch,
 };
 
 /*
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 6c7f6e04dbb..4026a4cff93 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -8,10 +8,8 @@
 #include <linux/idr.h>
 #include <linux/rculist.h>
 #include <linux/nsproxy.h>
-#include <linux/netdevice.h>
 #include <net/net_namespace.h>
 #include <net/netns/generic.h>
-#include <net/rtnetlink.h>
 
 /*
  *	Our network namespace constructor/destructor lists
@@ -29,20 +27,6 @@ EXPORT_SYMBOL(init_net);
 
 #define INITIAL_NET_GEN_PTRS	13 /* +1 for len +2 for rcu_head */
 
-static void unregister_netdevices(struct net *net, struct list_head *list)
-{
-	struct net_device *dev;
-	/* At exit all network devices most be removed from a network
-	 * namespace.  Do this in the reverse order of registeration.
-	 */
-	for_each_netdev_reverse(net, dev) {
-		if (dev->rtnl_link_ops)
-			dev->rtnl_link_ops->dellink(dev, list);
-		else
-			unregister_netdevice_queue(dev, list);
-	}
-}
-
 static int ops_init(const struct pernet_operations *ops, struct net *net)
 {
 	int err;
@@ -78,14 +62,6 @@ static void ops_exit_list(const struct pernet_operations *ops,
 		list_for_each_entry(net, net_exit_list, exit_list)
 			ops->exit(net);
 	}
-	if (&ops->list == first_device) {
-		LIST_HEAD(dev_kill_list);
-		rtnl_lock();
-		list_for_each_entry(net, net_exit_list, exit_list)
-			unregister_netdevices(net, &dev_kill_list);
-		unregister_netdevice_many(&dev_kill_list);
-		rtnl_unlock();
-	}
 	if (ops->exit_batch)
 		ops->exit_batch(net_exit_list);
 }
-- 
GitLab


From d79d792ef9f99cca463b6619a93e860d1c833a6e Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Thu, 3 Dec 2009 02:29:05 +0000
Subject: [PATCH 1763/1815] net: Allow xfrm_user_net_exit to batch efficiently.

xfrm.nlsk is provided by the xfrm_user module and is access via rcu from
other parts of the xfrm code.  Add xfrm.nlsk_stash a copy of xfrm.nlsk that
will never be set to NULL.  This allows the synchronize_net and
netlink_kernel_release to be deferred until a whole batch of xfrm.nlsk sockets
have been set to NULL.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/netns/xfrm.h |  1 +
 net/xfrm/xfrm_user.c     | 18 ++++++++++--------
 2 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/include/net/netns/xfrm.h b/include/net/netns/xfrm.h
index 1ba912749ca..56f8e5585df 100644
--- a/include/net/netns/xfrm.h
+++ b/include/net/netns/xfrm.h
@@ -43,6 +43,7 @@ struct netns_xfrm {
 	struct work_struct	policy_hash_work;
 
 	struct sock		*nlsk;
+	struct sock		*nlsk_stash;
 
 	u32			sysctl_aevent_etime;
 	u32			sysctl_aevent_rseqth;
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index fb42d778d27..1ada6186933 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -2721,22 +2721,24 @@ static int __net_init xfrm_user_net_init(struct net *net)
 				     xfrm_netlink_rcv, NULL, THIS_MODULE);
 	if (nlsk == NULL)
 		return -ENOMEM;
+	net->xfrm.nlsk_stash = nlsk; /* Don't set to NULL */
 	rcu_assign_pointer(net->xfrm.nlsk, nlsk);
 	return 0;
 }
 
-static void __net_exit xfrm_user_net_exit(struct net *net)
+static void __net_exit xfrm_user_net_exit(struct list_head *net_exit_list)
 {
-	struct sock *nlsk = net->xfrm.nlsk;
-
-	rcu_assign_pointer(net->xfrm.nlsk, NULL);
-	synchronize_rcu();
-	netlink_kernel_release(nlsk);
+	struct net *net;
+	list_for_each_entry(net, net_exit_list, exit_list)
+		rcu_assign_pointer(net->xfrm.nlsk, NULL);
+	synchronize_net();
+	list_for_each_entry(net, net_exit_list, exit_list)
+		netlink_kernel_release(net->xfrm.nlsk_stash);
 }
 
 static struct pernet_operations xfrm_user_net_ops = {
-	.init = xfrm_user_net_init,
-	.exit = xfrm_user_net_exit,
+	.init	    = xfrm_user_net_init,
+	.exit_batch = xfrm_user_net_exit,
 };
 
 static int __init xfrm_user_init(void)
-- 
GitLab


From 3a765edadb28cc736d185f67d1ba6bedcc85f4b9 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Thu, 3 Dec 2009 02:29:06 +0000
Subject: [PATCH 1764/1815] netns: Add an explicit rcu_barrier to
 unregister_pernet_{device|subsys}

This allows namespace exit methods to batch work that comes requires an
rcu barrier using call_rcu without having to treat the
unregister_pernet_operations cases specially.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/net_namespace.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 4026a4cff93..bd8c4712ea2 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -413,8 +413,11 @@ again:
 		}
 	}
 	error = __register_pernet_operations(list, ops);
-	if (error && ops->id)
-		ida_remove(&net_generic_ids, *ops->id);
+	if (error) {
+		rcu_barrier();
+		if (ops->id)
+			ida_remove(&net_generic_ids, *ops->id);
+	}
 
 	return error;
 }
@@ -423,6 +426,7 @@ static void unregister_pernet_operations(struct pernet_operations *ops)
 {
 	
 	__unregister_pernet_operations(ops);
+	rcu_barrier();
 	if (ops->id)
 		ida_remove(&net_generic_ids, *ops->id);
 }
-- 
GitLab


From e9c5158ac26affd5d8ce006521bdfb7148090e18 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Thu, 3 Dec 2009 12:22:55 -0800
Subject: [PATCH 1765/1815] net: Allow fib_rule_unregister to batch

Refactor the code so fib_rules_register always takes a template instead
of the actual fib_rules_ops structure that will be used.  This is
required for network namespace support so 2 out of the 3 callers already
do this, it allows the error handling to be made common, and it allows
fib_rules_unregister to free the template for hte caller.

Modify fib_rules_unregister to use call_rcu instead of syncrhonize_rcu
to allw multiple namespaces to be cleaned up in the same rcu grace
period.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/fib_rules.h |  3 ++-
 net/core/fib_rules.c    | 36 +++++++++++++++++++++++++++++++++---
 net/decnet/dn_rules.c   | 22 ++++++++++++----------
 net/ipv4/fib_rules.c    | 12 +++---------
 net/ipv6/fib6_rules.c   | 22 +++++++---------------
 5 files changed, 57 insertions(+), 38 deletions(-)

diff --git a/include/net/fib_rules.h b/include/net/fib_rules.h
index d4e875a58f8..c07ac9650eb 100644
--- a/include/net/fib_rules.h
+++ b/include/net/fib_rules.h
@@ -66,6 +66,7 @@ struct fib_rules_ops {
 	struct list_head	rules_list;
 	struct module		*owner;
 	struct net		*fro_net;
+	struct rcu_head		rcu;
 };
 
 #define FRA_GENERIC_POLICY \
@@ -102,7 +103,7 @@ static inline u32 frh_get_table(struct fib_rule_hdr *frh, struct nlattr **nla)
 	return frh->table;
 }
 
-extern int fib_rules_register(struct fib_rules_ops *);
+extern struct fib_rules_ops *fib_rules_register(struct fib_rules_ops *, struct net *);
 extern void fib_rules_unregister(struct fib_rules_ops *);
 extern void                     fib_rules_cleanup_ops(struct fib_rules_ops *);
 
diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c
index ef0e7d9e664..02a3b2c69c1 100644
--- a/net/core/fib_rules.c
+++ b/net/core/fib_rules.c
@@ -72,7 +72,7 @@ static void flush_route_cache(struct fib_rules_ops *ops)
 		ops->flush_cache(ops);
 }
 
-int fib_rules_register(struct fib_rules_ops *ops)
+static int __fib_rules_register(struct fib_rules_ops *ops)
 {
 	int err = -EEXIST;
 	struct fib_rules_ops *o;
@@ -102,6 +102,28 @@ errout:
 	return err;
 }
 
+struct fib_rules_ops *
+fib_rules_register(struct fib_rules_ops *tmpl, struct net *net)
+{
+	struct fib_rules_ops *ops;
+	int err;
+
+	ops = kmemdup(tmpl, sizeof (*ops), GFP_KERNEL);
+	if (ops == NULL)
+		return ERR_PTR(-ENOMEM);
+
+	INIT_LIST_HEAD(&ops->rules_list);
+	ops->fro_net = net;
+
+	err = __fib_rules_register(ops);
+	if (err) {
+		kfree(ops);
+		ops = ERR_PTR(err);
+	}
+
+	return ops;
+}
+
 EXPORT_SYMBOL_GPL(fib_rules_register);
 
 void fib_rules_cleanup_ops(struct fib_rules_ops *ops)
@@ -115,6 +137,15 @@ void fib_rules_cleanup_ops(struct fib_rules_ops *ops)
 }
 EXPORT_SYMBOL_GPL(fib_rules_cleanup_ops);
 
+static void fib_rules_put_rcu(struct rcu_head *head)
+{
+	struct fib_rules_ops *ops = container_of(head, struct fib_rules_ops, rcu);
+	struct net *net = ops->fro_net;
+
+	release_net(net);
+	kfree(ops);
+}
+
 void fib_rules_unregister(struct fib_rules_ops *ops)
 {
 	struct net *net = ops->fro_net;
@@ -124,8 +155,7 @@ void fib_rules_unregister(struct fib_rules_ops *ops)
 	fib_rules_cleanup_ops(ops);
 	spin_unlock(&net->rules_mod_lock);
 
-	synchronize_rcu();
-	release_net(net);
+	call_rcu(&ops->rcu, fib_rules_put_rcu);
 }
 
 EXPORT_SYMBOL_GPL(fib_rules_unregister);
diff --git a/net/decnet/dn_rules.c b/net/decnet/dn_rules.c
index 72495f25269..7466c546f28 100644
--- a/net/decnet/dn_rules.c
+++ b/net/decnet/dn_rules.c
@@ -33,7 +33,7 @@
 #include <net/dn_dev.h>
 #include <net/dn_route.h>
 
-static struct fib_rules_ops dn_fib_rules_ops;
+static struct fib_rules_ops *dn_fib_rules_ops;
 
 struct dn_fib_rule
 {
@@ -56,7 +56,7 @@ int dn_fib_lookup(struct flowi *flp, struct dn_fib_res *res)
 	};
 	int err;
 
-	err = fib_rules_lookup(&dn_fib_rules_ops, flp, 0, &arg);
+	err = fib_rules_lookup(dn_fib_rules_ops, flp, 0, &arg);
 	res->r = arg.rule;
 
 	return err;
@@ -217,9 +217,9 @@ static u32 dn_fib_rule_default_pref(struct fib_rules_ops *ops)
 	struct list_head *pos;
 	struct fib_rule *rule;
 
-	if (!list_empty(&dn_fib_rules_ops.rules_list)) {
-		pos = dn_fib_rules_ops.rules_list.next;
-		if (pos->next != &dn_fib_rules_ops.rules_list) {
+	if (!list_empty(&dn_fib_rules_ops->rules_list)) {
+		pos = dn_fib_rules_ops->rules_list.next;
+		if (pos->next != &dn_fib_rules_ops->rules_list) {
 			rule = list_entry(pos->next, struct fib_rule, list);
 			if (rule->pref)
 				return rule->pref - 1;
@@ -234,7 +234,7 @@ static void dn_fib_rule_flush_cache(struct fib_rules_ops *ops)
 	dn_rt_cache_flush(-1);
 }
 
-static struct fib_rules_ops dn_fib_rules_ops = {
+static struct fib_rules_ops dn_fib_rules_ops_template = {
 	.family		= AF_DECnet,
 	.rule_size	= sizeof(struct dn_fib_rule),
 	.addr_size	= sizeof(u16),
@@ -247,21 +247,23 @@ static struct fib_rules_ops dn_fib_rules_ops = {
 	.flush_cache	= dn_fib_rule_flush_cache,
 	.nlgroup	= RTNLGRP_DECnet_RULE,
 	.policy		= dn_fib_rule_policy,
-	.rules_list	= LIST_HEAD_INIT(dn_fib_rules_ops.rules_list),
 	.owner		= THIS_MODULE,
 	.fro_net	= &init_net,
 };
 
 void __init dn_fib_rules_init(void)
 {
-	BUG_ON(fib_default_rule_add(&dn_fib_rules_ops, 0x7fff,
+	dn_fib_rules_ops =
+		fib_rules_register(&dn_fib_rules_ops_template, &init_net);
+	BUG_ON(IS_ERR(dn_fib_rules_ops));
+	BUG_ON(fib_default_rule_add(dn_fib_rules_ops, 0x7fff,
 			            RT_TABLE_MAIN, 0));
-	fib_rules_register(&dn_fib_rules_ops);
 }
 
 void __exit dn_fib_rules_cleanup(void)
 {
-	fib_rules_unregister(&dn_fib_rules_ops);
+	fib_rules_unregister(dn_fib_rules_ops);
+	rcu_barrier();
 }
 
 
diff --git a/net/ipv4/fib_rules.c b/net/ipv4/fib_rules.c
index 1239ed23cab..ca2d07b1c70 100644
--- a/net/ipv4/fib_rules.c
+++ b/net/ipv4/fib_rules.c
@@ -301,13 +301,9 @@ int __net_init fib4_rules_init(struct net *net)
 	int err;
 	struct fib_rules_ops *ops;
 
-	ops = kmemdup(&fib4_rules_ops_template, sizeof(*ops), GFP_KERNEL);
-	if (ops == NULL)
-		return -ENOMEM;
-	INIT_LIST_HEAD(&ops->rules_list);
-	ops->fro_net = net;
-
-	fib_rules_register(ops);
+	ops = fib_rules_register(&fib4_rules_ops_template, net);
+	if (IS_ERR(ops))
+		return PTR_ERR(ops);
 
 	err = fib_default_rules_init(ops);
 	if (err < 0)
@@ -318,12 +314,10 @@ int __net_init fib4_rules_init(struct net *net)
 fail:
 	/* also cleans all rules already added */
 	fib_rules_unregister(ops);
-	kfree(ops);
 	return err;
 }
 
 void __net_exit fib4_rules_exit(struct net *net)
 {
 	fib_rules_unregister(net->ipv4.rules_ops);
-	kfree(net->ipv4.rules_ops);
 }
diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c
index 3b38f49f2c2..b7aa7c64cc4 100644
--- a/net/ipv6/fib6_rules.c
+++ b/net/ipv6/fib6_rules.c
@@ -264,16 +264,14 @@ static struct fib_rules_ops fib6_rules_ops_template = {
 
 static int fib6_rules_net_init(struct net *net)
 {
+	struct fib_rules_ops *ops;
 	int err = -ENOMEM;
 
-	net->ipv6.fib6_rules_ops = kmemdup(&fib6_rules_ops_template,
-					   sizeof(*net->ipv6.fib6_rules_ops),
-					   GFP_KERNEL);
-	if (!net->ipv6.fib6_rules_ops)
-		goto out;
+	ops = fib_rules_register(&fib6_rules_ops_template, net);
+	if (IS_ERR(ops))
+		return PTR_ERR(ops);
+	net->ipv6.fib6_rules_ops = ops;
 
-	net->ipv6.fib6_rules_ops->fro_net = net;
-	INIT_LIST_HEAD(&net->ipv6.fib6_rules_ops->rules_list);
 
 	err = fib_default_rule_add(net->ipv6.fib6_rules_ops, 0,
 				   RT6_TABLE_LOCAL, 0);
@@ -283,25 +281,19 @@ static int fib6_rules_net_init(struct net *net)
 	err = fib_default_rule_add(net->ipv6.fib6_rules_ops,
 				   0x7FFE, RT6_TABLE_MAIN, 0);
 	if (err)
-		goto out_fib6_default_rule_add;
+		goto out_fib6_rules_ops;
 
-	err = fib_rules_register(net->ipv6.fib6_rules_ops);
-	if (err)
-		goto out_fib6_default_rule_add;
 out:
 	return err;
 
-out_fib6_default_rule_add:
-	fib_rules_cleanup_ops(net->ipv6.fib6_rules_ops);
 out_fib6_rules_ops:
-	kfree(net->ipv6.fib6_rules_ops);
+	fib_rules_unregister(ops);
 	goto out;
 }
 
 static void fib6_rules_net_exit(struct net *net)
 {
 	fib_rules_unregister(net->ipv6.fib6_rules_ops);
-	kfree(net->ipv6.fib6_rules_ops);
 }
 
 static struct pernet_operations fib6_rules_net_ops = {
-- 
GitLab


From 575f4cd5a5b639457747434dbe18d175fa767db4 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Thu, 3 Dec 2009 02:29:08 +0000
Subject: [PATCH 1766/1815] net: Use rcu lookups in inet_twsk_purge.

While we are looking up entries to free there is no reason to take
the lock in inet_twsk_purge.  We have to drop locks and restart
occassionally anyway so adding a few more in case we get on the
wrong list because of a timewait move is no big deal.  At the
same time not taking the lock for long periods of time is much
more polite to the rest of the users of the hash table.

In my test configuration of killing 4k network namespaces
this change causes 4k back to back runs of inet_twsk_purge on an
empty hash table to go from roughly 20.7s to 3.3s, and the total
time to destroy 4k network namespaces goes from roughly 44s to
3.3s.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/inet_timewait_sock.c | 39 +++++++++++++++++++++--------------
 1 file changed, 24 insertions(+), 15 deletions(-)

diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c
index 1f5d508bb18..d38ca7c77b9 100644
--- a/net/ipv4/inet_timewait_sock.c
+++ b/net/ipv4/inet_timewait_sock.c
@@ -427,31 +427,40 @@ void inet_twsk_purge(struct net *net, struct inet_hashinfo *hashinfo,
 	struct inet_timewait_sock *tw;
 	struct sock *sk;
 	struct hlist_nulls_node *node;
-	int h;
+	unsigned int slot;
 
-	local_bh_disable();
-	for (h = 0; h <= hashinfo->ehash_mask; h++) {
-		struct inet_ehash_bucket *head =
-			inet_ehash_bucket(hashinfo, h);
-		spinlock_t *lock = inet_ehash_lockp(hashinfo, h);
+	for (slot = 0; slot <= hashinfo->ehash_mask; slot++) {
+		struct inet_ehash_bucket *head = &hashinfo->ehash[slot];
+restart_rcu:
+		rcu_read_lock();
 restart:
-		spin_lock(lock);
-		sk_nulls_for_each(sk, node, &head->twchain) {
-
+		sk_nulls_for_each_rcu(sk, node, &head->twchain) {
 			tw = inet_twsk(sk);
 			if (!net_eq(twsk_net(tw), net) ||
 			    tw->tw_family != family)
 				continue;
 
-			atomic_inc(&tw->tw_refcnt);
-			spin_unlock(lock);
+			if (unlikely(!atomic_inc_not_zero(&tw->tw_refcnt)))
+				continue;
+
+			if (unlikely(!net_eq(twsk_net(tw), net) ||
+				     tw->tw_family != family)) {
+				inet_twsk_put(tw);
+				goto restart;
+			}
+
+			rcu_read_unlock();
 			inet_twsk_deschedule(tw, twdr);
 			inet_twsk_put(tw);
-
-			goto restart;
+			goto restart_rcu;
 		}
-		spin_unlock(lock);
+		/* If the nulls value we got at the end of this lookup is
+		 * not the expected one, we must restart lookup.
+		 * We probably met an item that was moved to another chain.
+		 */
+		if (get_nulls_value(node) != slot)
+			goto restart;
+		rcu_read_unlock();
 	}
-	local_bh_enable();
 }
 EXPORT_SYMBOL_GPL(inet_twsk_purge);
-- 
GitLab


From b099ce2602d806deb41caaa578731848995cdb2a Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Thu, 3 Dec 2009 02:29:09 +0000
Subject: [PATCH 1767/1815] net: Batch inet_twsk_purge

This function walks the whole hashtable so there is no point in
passing it a network namespace.  Instead I purge all timewait
sockets from dead network namespaces that I find.  If the namespace
is one of the once I am trying to purge I am guaranteed no new timewait
sockets can be formed so this will get them all.  If the namespace
is one I am not acting for it might form a few more but I will
call inet_twsk_purge again and  shortly to get rid of them.  In
any even if the network namespace is dead timewait sockets are
useless.

Move the calls of inet_twsk_purge into batch_exit routines so
that if I am killing a bunch of namespaces at once I will just
call inet_twsk_purge once and save a lot of redundant unnecessary
work.

My simple 4k network namespace exit test the cleanup time dropped from
roughly 8.2s to 1.6s.  While the time spent running inet_twsk_purge fell
to about 2ms.  1ms for ipv4 and 1ms for ipv6.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/inet_timewait_sock.h |  6 +++---
 net/ipv4/inet_timewait_sock.c    | 10 +++++-----
 net/ipv4/tcp_ipv4.c              | 11 ++++++++---
 net/ipv6/tcp_ipv6.c              | 11 ++++++++---
 4 files changed, 24 insertions(+), 14 deletions(-)

diff --git a/include/net/inet_timewait_sock.h b/include/net/inet_timewait_sock.h
index 773b10fa38e..4fd007f34dd 100644
--- a/include/net/inet_timewait_sock.h
+++ b/include/net/inet_timewait_sock.h
@@ -212,14 +212,14 @@ extern void inet_twsk_schedule(struct inet_timewait_sock *tw,
 extern void inet_twsk_deschedule(struct inet_timewait_sock *tw,
 				 struct inet_timewait_death_row *twdr);
 
-extern void inet_twsk_purge(struct net *net, struct inet_hashinfo *hashinfo,
+extern void inet_twsk_purge(struct inet_hashinfo *hashinfo,
 			    struct inet_timewait_death_row *twdr, int family);
 
 static inline
 struct net *twsk_net(const struct inet_timewait_sock *twsk)
 {
 #ifdef CONFIG_NET_NS
-	return twsk->tw_net;
+	return rcu_dereference(twsk->tw_net);
 #else
 	return &init_net;
 #endif
@@ -229,7 +229,7 @@ static inline
 void twsk_net_set(struct inet_timewait_sock *twsk, struct net *net)
 {
 #ifdef CONFIG_NET_NS
-	twsk->tw_net = net;
+	rcu_assign_pointer(twsk->tw_net, net);
 #endif
 }
 #endif	/* _INET_TIMEWAIT_SOCK_ */
diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c
index d38ca7c77b9..31f931ef3da 100644
--- a/net/ipv4/inet_timewait_sock.c
+++ b/net/ipv4/inet_timewait_sock.c
@@ -421,7 +421,7 @@ out:
 
 EXPORT_SYMBOL_GPL(inet_twdr_twcal_tick);
 
-void inet_twsk_purge(struct net *net, struct inet_hashinfo *hashinfo,
+void inet_twsk_purge(struct inet_hashinfo *hashinfo,
 		     struct inet_timewait_death_row *twdr, int family)
 {
 	struct inet_timewait_sock *tw;
@@ -436,15 +436,15 @@ restart_rcu:
 restart:
 		sk_nulls_for_each_rcu(sk, node, &head->twchain) {
 			tw = inet_twsk(sk);
-			if (!net_eq(twsk_net(tw), net) ||
-			    tw->tw_family != family)
+			if ((tw->tw_family != family) ||
+				atomic_read(&twsk_net(tw)->count))
 				continue;
 
 			if (unlikely(!atomic_inc_not_zero(&tw->tw_refcnt)))
 				continue;
 
-			if (unlikely(!net_eq(twsk_net(tw), net) ||
-				     tw->tw_family != family)) {
+			if (unlikely((tw->tw_family != family) ||
+				     atomic_read(&twsk_net(tw)->count))) {
 				inet_twsk_put(tw);
 				goto restart;
 			}
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 59c911f3889..fee9aabd5aa 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -2529,12 +2529,17 @@ static int __net_init tcp_sk_init(struct net *net)
 static void __net_exit tcp_sk_exit(struct net *net)
 {
 	inet_ctl_sock_destroy(net->ipv4.tcp_sock);
-	inet_twsk_purge(net, &tcp_hashinfo, &tcp_death_row, AF_INET);
+}
+
+static void __net_exit tcp_sk_exit_batch(struct list_head *net_exit_list)
+{
+	inet_twsk_purge(&tcp_hashinfo, &tcp_death_row, AF_INET);
 }
 
 static struct pernet_operations __net_initdata tcp_sk_ops = {
-       .init = tcp_sk_init,
-       .exit = tcp_sk_exit,
+       .init	   = tcp_sk_init,
+       .exit	   = tcp_sk_exit,
+       .exit_batch = tcp_sk_exit_batch,
 };
 
 void __init tcp_v4_init(void)
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index fc0a4e5895e..aadd7cef73b 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -2184,12 +2184,17 @@ static int tcpv6_net_init(struct net *net)
 static void tcpv6_net_exit(struct net *net)
 {
 	inet_ctl_sock_destroy(net->ipv6.tcp_sk);
-	inet_twsk_purge(net, &tcp_hashinfo, &tcp_death_row, AF_INET6);
+}
+
+static void tcpv6_net_exit_batch(struct list_head *net_exit_list)
+{
+	inet_twsk_purge(&tcp_hashinfo, &tcp_death_row, AF_INET6);
 }
 
 static struct pernet_operations tcpv6_net_ops = {
-	.init = tcpv6_net_init,
-	.exit = tcpv6_net_exit,
+	.init	    = tcpv6_net_init,
+	.exit	    = tcpv6_net_exit,
+	.exit_batch = tcpv6_net_exit_batch,
 };
 
 int __init tcpv6_init(void)
-- 
GitLab


From d744b44e21a2c908aae23a60da1b4ce35cd925ef Mon Sep 17 00:00:00 2001
From: Ajit Khaparde <ajitk@serverengines.com>
Date: Thu, 3 Dec 2009 06:12:06 +0000
Subject: [PATCH 1768/1815] be2net: Changes to print fw command opcode when
 command is failed by controller.

When a firmware command fails, only the failure codes are printed.
It is difficult to co-relate this to the actual command that has failed.
These changes will now print the command code that has failed.

Signed-off-by: Sarveshwar Bandi <sarveshwarb@serverengines.com>
Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/benet/be_cmds.c | 89 ++++++++++++++++++++++++-------------
 1 file changed, 57 insertions(+), 32 deletions(-)

diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c
index 8bd53156004..5ec61de3b97 100644
--- a/drivers/net/benet/be_cmds.c
+++ b/drivers/net/benet/be_cmds.c
@@ -71,8 +71,8 @@ static int be_mcc_compl_process(struct be_adapter *adapter,
 		extd_status = (compl->status >> CQE_STATUS_EXTD_SHIFT) &
 				CQE_STATUS_EXTD_MASK;
 		dev_warn(&adapter->pdev->dev,
-			"Error in cmd completion: status(compl/extd)=%d/%d\n",
-			compl_status, extd_status);
+		"Error in cmd completion - opcode %d, compl %d, extd %d\n",
+			compl->tag0, compl_status, extd_status);
 	}
 	return compl_status;
 }
@@ -277,7 +277,7 @@ static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
 
 /* Don't touch the hdr after it's prepared */
 static void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len,
-				bool embedded, u8 sge_cnt)
+				bool embedded, u8 sge_cnt, u32 opcode)
 {
 	if (embedded)
 		wrb->embedded |= MCC_WRB_EMBEDDED_MASK;
@@ -285,6 +285,7 @@ static void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len,
 		wrb->embedded |= (sge_cnt & MCC_WRB_SGE_CNT_MASK) <<
 				MCC_WRB_SGE_CNT_SHIFT;
 	wrb->payload_length = payload_len;
+	wrb->tag0 = opcode;
 	be_dws_cpu_to_le(wrb, 20);
 }
 
@@ -425,7 +426,7 @@ int be_cmd_eq_create(struct be_adapter *adapter,
 	wrb = wrb_from_mbox(adapter);
 	req = embedded_payload(wrb);
 
-	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0, OPCODE_COMMON_EQ_CREATE);
 
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 		OPCODE_COMMON_EQ_CREATE, sizeof(*req));
@@ -469,7 +470,8 @@ int be_cmd_mac_addr_query(struct be_adapter *adapter, u8 *mac_addr,
 	wrb = wrb_from_mbox(adapter);
 	req = embedded_payload(wrb);
 
-	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
+			OPCODE_COMMON_NTWK_MAC_QUERY);
 
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 		OPCODE_COMMON_NTWK_MAC_QUERY, sizeof(*req));
@@ -509,7 +511,8 @@ int be_cmd_pmac_add(struct be_adapter *adapter, u8 *mac_addr,
 	}
 	req = embedded_payload(wrb);
 
-	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
+			OPCODE_COMMON_NTWK_PMAC_ADD);
 
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 		OPCODE_COMMON_NTWK_PMAC_ADD, sizeof(*req));
@@ -544,7 +547,8 @@ int be_cmd_pmac_del(struct be_adapter *adapter, u32 if_id, u32 pmac_id)
 	}
 	req = embedded_payload(wrb);
 
-	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
+			OPCODE_COMMON_NTWK_PMAC_DEL);
 
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 		OPCODE_COMMON_NTWK_PMAC_DEL, sizeof(*req));
@@ -576,7 +580,8 @@ int be_cmd_cq_create(struct be_adapter *adapter,
 	req = embedded_payload(wrb);
 	ctxt = &req->context;
 
-	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
+			OPCODE_COMMON_CQ_CREATE);
 
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 		OPCODE_COMMON_CQ_CREATE, sizeof(*req));
@@ -633,7 +638,8 @@ int be_cmd_mccq_create(struct be_adapter *adapter,
 	req = embedded_payload(wrb);
 	ctxt = &req->context;
 
-	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
+			OPCODE_COMMON_MCC_CREATE);
 
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 			OPCODE_COMMON_MCC_CREATE, sizeof(*req));
@@ -677,7 +683,8 @@ int be_cmd_txq_create(struct be_adapter *adapter,
 	req = embedded_payload(wrb);
 	ctxt = &req->context;
 
-	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
+			OPCODE_ETH_TX_CREATE);
 
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH, OPCODE_ETH_TX_CREATE,
 		sizeof(*req));
@@ -724,7 +731,8 @@ int be_cmd_rxq_create(struct be_adapter *adapter,
 	wrb = wrb_from_mbox(adapter);
 	req = embedded_payload(wrb);
 
-	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
+			OPCODE_ETH_RX_CREATE);
 
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH, OPCODE_ETH_RX_CREATE,
 		sizeof(*req));
@@ -765,8 +773,6 @@ int be_cmd_q_destroy(struct be_adapter *adapter, struct be_queue_info *q,
 	wrb = wrb_from_mbox(adapter);
 	req = embedded_payload(wrb);
 
-	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
-
 	switch (queue_type) {
 	case QTYPE_EQ:
 		subsys = CMD_SUBSYSTEM_COMMON;
@@ -791,6 +797,9 @@ int be_cmd_q_destroy(struct be_adapter *adapter, struct be_queue_info *q,
 	default:
 		BUG();
 	}
+
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0, opcode);
+
 	be_cmd_hdr_prepare(&req->hdr, subsys, opcode, sizeof(*req));
 	req->id = cpu_to_le16(q->id);
 
@@ -816,7 +825,8 @@ int be_cmd_if_create(struct be_adapter *adapter, u32 cap_flags, u32 en_flags,
 	wrb = wrb_from_mbox(adapter);
 	req = embedded_payload(wrb);
 
-	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
+			OPCODE_COMMON_NTWK_INTERFACE_CREATE);
 
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 		OPCODE_COMMON_NTWK_INTERFACE_CREATE, sizeof(*req));
@@ -851,7 +861,8 @@ int be_cmd_if_destroy(struct be_adapter *adapter, u32 interface_id)
 	wrb = wrb_from_mbox(adapter);
 	req = embedded_payload(wrb);
 
-	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
+			OPCODE_COMMON_NTWK_INTERFACE_DESTROY);
 
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 		OPCODE_COMMON_NTWK_INTERFACE_DESTROY, sizeof(*req));
@@ -886,8 +897,8 @@ int be_cmd_get_stats(struct be_adapter *adapter, struct be_dma_mem *nonemb_cmd)
 	req = nonemb_cmd->va;
 	sge = nonembedded_sgl(wrb);
 
-	be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
-	wrb->tag0 = OPCODE_ETH_GET_STATISTICS;
+	be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1,
+			OPCODE_ETH_GET_STATISTICS);
 
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
 		OPCODE_ETH_GET_STATISTICS, sizeof(*req));
@@ -921,7 +932,8 @@ int be_cmd_link_status_query(struct be_adapter *adapter,
 
 	*link_up = false;
 
-	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
+			OPCODE_COMMON_NTWK_LINK_STATUS_QUERY);
 
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 		OPCODE_COMMON_NTWK_LINK_STATUS_QUERY, sizeof(*req));
@@ -953,7 +965,8 @@ int be_cmd_get_fw_ver(struct be_adapter *adapter, char *fw_ver)
 	wrb = wrb_from_mbox(adapter);
 	req = embedded_payload(wrb);
 
-	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
+			OPCODE_COMMON_GET_FW_VERSION);
 
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 		OPCODE_COMMON_GET_FW_VERSION, sizeof(*req));
@@ -986,7 +999,8 @@ int be_cmd_modify_eqd(struct be_adapter *adapter, u32 eq_id, u32 eqd)
 	}
 	req = embedded_payload(wrb);
 
-	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
+			OPCODE_COMMON_MODIFY_EQ_DELAY);
 
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 		OPCODE_COMMON_MODIFY_EQ_DELAY, sizeof(*req));
@@ -1020,7 +1034,8 @@ int be_cmd_vlan_config(struct be_adapter *adapter, u32 if_id, u16 *vtag_array,
 	}
 	req = embedded_payload(wrb);
 
-	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
+			OPCODE_COMMON_NTWK_VLAN_CONFIG);
 
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 		OPCODE_COMMON_NTWK_VLAN_CONFIG, sizeof(*req));
@@ -1059,7 +1074,7 @@ int be_cmd_promiscuous_config(struct be_adapter *adapter, u8 port_num, bool en)
 	}
 	req = embedded_payload(wrb);
 
-	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0, OPCODE_ETH_PROMISCUOUS);
 
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
 		OPCODE_ETH_PROMISCUOUS, sizeof(*req));
@@ -1099,7 +1114,8 @@ int be_cmd_multicast_set(struct be_adapter *adapter, u32 if_id,
 	sge = nonembedded_sgl(wrb);
 	memset(req, 0, sizeof(*req));
 
-	be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
+	be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1,
+			OPCODE_COMMON_NTWK_MULTICAST_SET);
 	sge->pa_hi = cpu_to_le32(upper_32_bits(mem->dma));
 	sge->pa_lo = cpu_to_le32(mem->dma & 0xFFFFFFFF);
 	sge->len = cpu_to_le32(mem->size);
@@ -1143,7 +1159,8 @@ int be_cmd_set_flow_control(struct be_adapter *adapter, u32 tx_fc, u32 rx_fc)
 	}
 	req = embedded_payload(wrb);
 
-	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
+			OPCODE_COMMON_SET_FLOW_CONTROL);
 
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 		OPCODE_COMMON_SET_FLOW_CONTROL, sizeof(*req));
@@ -1174,7 +1191,8 @@ int be_cmd_get_flow_control(struct be_adapter *adapter, u32 *tx_fc, u32 *rx_fc)
 	}
 	req = embedded_payload(wrb);
 
-	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
+			OPCODE_COMMON_GET_FLOW_CONTROL);
 
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 		OPCODE_COMMON_GET_FLOW_CONTROL, sizeof(*req));
@@ -1204,7 +1222,8 @@ int be_cmd_query_fw_cfg(struct be_adapter *adapter, u32 *port_num, u32 *cap)
 	wrb = wrb_from_mbox(adapter);
 	req = embedded_payload(wrb);
 
-	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
+			OPCODE_COMMON_QUERY_FIRMWARE_CONFIG);
 
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 		OPCODE_COMMON_QUERY_FIRMWARE_CONFIG, sizeof(*req));
@@ -1232,7 +1251,8 @@ int be_cmd_reset_function(struct be_adapter *adapter)
 	wrb = wrb_from_mbox(adapter);
 	req = embedded_payload(wrb);
 
-	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
+			OPCODE_COMMON_FUNCTION_RESET);
 
 	be_cmd_hdr_prepare(req, CMD_SUBSYSTEM_COMMON,
 		OPCODE_COMMON_FUNCTION_RESET, sizeof(*req));
@@ -1260,7 +1280,8 @@ int be_cmd_set_beacon_state(struct be_adapter *adapter, u8 port_num,
 	}
 	req = embedded_payload(wrb);
 
-	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
+			OPCODE_COMMON_ENABLE_DISABLE_BEACON);
 
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 		OPCODE_COMMON_ENABLE_DISABLE_BEACON, sizeof(*req));
@@ -1293,7 +1314,8 @@ int be_cmd_get_beacon_state(struct be_adapter *adapter, u8 port_num, u32 *state)
 	}
 	req = embedded_payload(wrb);
 
-	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
+			OPCODE_COMMON_GET_BEACON_STATE);
 
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 		OPCODE_COMMON_GET_BEACON_STATE, sizeof(*req));
@@ -1329,7 +1351,8 @@ int be_cmd_read_port_type(struct be_adapter *adapter, u32 port,
 	}
 	req = embedded_payload(wrb);
 
-	be_wrb_hdr_prepare(wrb, sizeof(struct be_cmd_resp_port_type), true, 0);
+	be_wrb_hdr_prepare(wrb, sizeof(struct be_cmd_resp_port_type), true, 0,
+			OPCODE_COMMON_READ_TRANSRECV_DATA);
 
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 		OPCODE_COMMON_READ_TRANSRECV_DATA, sizeof(*req));
@@ -1365,7 +1388,8 @@ int be_cmd_write_flashrom(struct be_adapter *adapter, struct be_dma_mem *cmd,
 	req = cmd->va;
 	sge = nonembedded_sgl(wrb);
 
-	be_wrb_hdr_prepare(wrb, cmd->size, false, 1);
+	be_wrb_hdr_prepare(wrb, cmd->size, false, 1,
+			OPCODE_COMMON_WRITE_FLASHROM);
 
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 		OPCODE_COMMON_WRITE_FLASHROM, cmd->size);
@@ -1399,7 +1423,8 @@ int be_cmd_get_flash_crc(struct be_adapter *adapter, u8 *flashed_crc)
 	}
 	req = embedded_payload(wrb);
 
-	be_wrb_hdr_prepare(wrb, sizeof(*req)+4, true, 0);
+	be_wrb_hdr_prepare(wrb, sizeof(*req)+4, true, 0,
+			OPCODE_COMMON_READ_FLASHROM);
 
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 		OPCODE_COMMON_READ_FLASHROM, sizeof(*req)+4);
-- 
GitLab


From 71d8d1b58aa4025ea73a66a130a98d0ed077f9b1 Mon Sep 17 00:00:00 2001
From: Ajit Khaparde <ajitk@serverengines.com>
Date: Thu, 3 Dec 2009 06:16:59 +0000
Subject: [PATCH 1769/1815] be2net: Support for WoL using magic packet after
 suspend.

Add support for WOL using Magic Packet after suspend is done.

Signed-off-by: Sarveshwar Bandi <sarveshwarb@serverengines.com>
Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/benet/be.h         |  1 +
 drivers/net/benet/be_cmds.c    | 36 ++++++++++++++++++++++++++++
 drivers/net/benet/be_cmds.h    | 11 +++++++++
 drivers/net/benet/be_ethtool.c | 32 +++++++++++++++++++++++++
 drivers/net/benet/be_hw.h      |  4 ++++
 drivers/net/benet/be_main.c    | 44 ++++++++++++++++++++++++++++++++++
 6 files changed, 128 insertions(+)

diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h
index 12247480a1f..e71cc594941 100644
--- a/drivers/net/benet/be.h
+++ b/drivers/net/benet/be.h
@@ -269,6 +269,7 @@ struct be_adapter {
 	bool link_up;
 	u32 port_num;
 	bool promiscuous;
+	bool wol;
 	u32 cap;
 	u32 rx_fc;		/* Rx flow control */
 	u32 tx_fc;		/* Tx flow control */
diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c
index 5ec61de3b97..bee7b822d12 100644
--- a/drivers/net/benet/be_cmds.c
+++ b/drivers/net/benet/be_cmds.c
@@ -1442,3 +1442,39 @@ err:
 	spin_unlock_bh(&adapter->mcc_lock);
 	return status;
 }
+
+extern int be_cmd_enable_magic_wol(struct be_adapter *adapter, u8 *mac,
+				struct be_dma_mem *nonemb_cmd)
+{
+	struct be_mcc_wrb *wrb;
+	struct be_cmd_req_acpi_wol_magic_config *req;
+	struct be_sge *sge;
+	int status;
+
+	spin_lock_bh(&adapter->mcc_lock);
+
+	wrb = wrb_from_mccq(adapter);
+	if (!wrb) {
+		status = -EBUSY;
+		goto err;
+	}
+	req = nonemb_cmd->va;
+	sge = nonembedded_sgl(wrb);
+
+	be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1,
+			OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG);
+
+	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
+		OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG, sizeof(*req));
+	memcpy(req->magic_mac, mac, ETH_ALEN);
+
+	sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
+	sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
+	sge->len = cpu_to_le32(nonemb_cmd->size);
+
+	status = be_mcc_notify_wait(adapter);
+
+err:
+	spin_unlock_bh(&adapter->mcc_lock);
+	return status;
+}
diff --git a/drivers/net/benet/be_cmds.h b/drivers/net/benet/be_cmds.h
index 8ec6528cb05..e8512a144f5 100644
--- a/drivers/net/benet/be_cmds.h
+++ b/drivers/net/benet/be_cmds.h
@@ -150,6 +150,7 @@ struct be_mcc_mailbox {
 #define OPCODE_ETH_RX_CREATE            		8
 #define OPCODE_ETH_TX_DESTROY           		9
 #define OPCODE_ETH_RX_DESTROY           		10
+#define OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG		12
 
 struct be_cmd_req_hdr {
 	u8 opcode;		/* dword 0 */
@@ -788,6 +789,14 @@ struct be_cmd_write_flashrom {
 	struct flashrom_params params;
 };
 
+/************************ WOL *******************************/
+struct be_cmd_req_acpi_wol_magic_config{
+	struct be_cmd_req_hdr hdr;
+	u32 rsvd0[145];
+	u8 magic_mac[6];
+	u8 rsvd2[2];
+} __packed;
+
 extern int be_pci_fnum_get(struct be_adapter *adapter);
 extern int be_cmd_POST(struct be_adapter *adapter);
 extern int be_cmd_mac_addr_query(struct be_adapter *adapter, u8 *mac_addr,
@@ -851,5 +860,7 @@ extern int be_cmd_write_flashrom(struct be_adapter *adapter,
 			struct be_dma_mem *cmd, u32 flash_oper,
 			u32 flash_opcode, u32 buf_size);
 extern int be_cmd_get_flash_crc(struct be_adapter *adapter, u8 *flashed_crc);
+extern int be_cmd_enable_magic_wol(struct be_adapter *adapter, u8 *mac,
+				struct be_dma_mem *nonemb_cmd);
 extern int be_cmd_fw_init(struct be_adapter *adapter);
 extern int be_cmd_fw_clean(struct be_adapter *adapter);
diff --git a/drivers/net/benet/be_ethtool.c b/drivers/net/benet/be_ethtool.c
index 329560f9e54..83a2fc70399 100644
--- a/drivers/net/benet/be_ethtool.c
+++ b/drivers/net/benet/be_ethtool.c
@@ -411,6 +411,36 @@ be_phys_id(struct net_device *netdev, u32 data)
 	return status;
 }
 
+static void
+be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+
+	wol->supported = WAKE_MAGIC;
+	if (adapter->wol)
+		wol->wolopts = WAKE_MAGIC;
+	else
+		wol->wolopts = 0;
+	memset(&wol->sopass, 0, sizeof(wol->sopass));
+	return;
+}
+
+static int
+be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+
+	if (wol->wolopts & ~WAKE_MAGIC)
+		return -EINVAL;
+
+	if (wol->wolopts & WAKE_MAGIC)
+		adapter->wol = true;
+	else
+		adapter->wol = false;
+
+	return 0;
+}
+
 static int
 be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
 {
@@ -428,6 +458,8 @@ be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
 const struct ethtool_ops be_ethtool_ops = {
 	.get_settings = be_get_settings,
 	.get_drvinfo = be_get_drvinfo,
+	.get_wol = be_get_wol,
+	.set_wol = be_set_wol,
 	.get_link = ethtool_op_get_link,
 	.get_coalesce = be_get_coalesce,
 	.set_coalesce = be_set_coalesce,
diff --git a/drivers/net/benet/be_hw.h b/drivers/net/benet/be_hw.h
index f53d5ca2da9..e2b3beffd49 100644
--- a/drivers/net/benet/be_hw.h
+++ b/drivers/net/benet/be_hw.h
@@ -52,6 +52,10 @@
  */
 #define MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK	(1 << 29) /* bit 29 */
 
+/********* Power managment (WOL) **********/
+#define PCICFG_PM_CONTROL_OFFSET		0x44
+#define PCICFG_PM_CONTROL_MASK			0x108	/* bits 3 & 8 */
+
 /********* ISR0 Register offset **********/
 #define CEV_ISR0_OFFSET 			0xC18
 #define CEV_ISR_SIZE				4
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index f24ac4b5ce8..84f686f41b5 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -1659,6 +1659,44 @@ ret_sts:
 	return status;
 }
 
+static int be_setup_wol(struct be_adapter *adapter, bool enable)
+{
+	struct be_dma_mem cmd;
+	int status = 0;
+	u8 mac[ETH_ALEN];
+
+	memset(mac, 0, ETH_ALEN);
+
+	cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config);
+	cmd.va = pci_alloc_consistent(adapter->pdev, cmd.size, &cmd.dma);
+	if (cmd.va == NULL)
+		return -1;
+	memset(cmd.va, 0, cmd.size);
+
+	if (enable) {
+		status = pci_write_config_dword(adapter->pdev,
+			PCICFG_PM_CONTROL_OFFSET, PCICFG_PM_CONTROL_MASK);
+		if (status) {
+			dev_err(&adapter->pdev->dev,
+				"Could not enable Wake-on-lan \n");
+			pci_free_consistent(adapter->pdev, cmd.size, cmd.va,
+					cmd.dma);
+			return status;
+		}
+		status = be_cmd_enable_magic_wol(adapter,
+				adapter->netdev->dev_addr, &cmd);
+		pci_enable_wake(adapter->pdev, PCI_D3hot, 1);
+		pci_enable_wake(adapter->pdev, PCI_D3cold, 1);
+	} else {
+		status = be_cmd_enable_magic_wol(adapter, mac, &cmd);
+		pci_enable_wake(adapter->pdev, PCI_D3hot, 0);
+		pci_enable_wake(adapter->pdev, PCI_D3cold, 0);
+	}
+
+	pci_free_consistent(adapter->pdev, cmd.size, cmd.va, cmd.dma);
+	return status;
+}
+
 static int be_setup(struct be_adapter *adapter)
 {
 	struct net_device *netdev = adapter->netdev;
@@ -2282,6 +2320,9 @@ static int be_suspend(struct pci_dev *pdev, pm_message_t state)
 	struct be_adapter *adapter = pci_get_drvdata(pdev);
 	struct net_device *netdev =  adapter->netdev;
 
+	if (adapter->wol)
+		be_setup_wol(adapter, true);
+
 	netif_device_detach(netdev);
 	if (netif_running(netdev)) {
 		rtnl_lock();
@@ -2324,6 +2365,9 @@ static int be_resume(struct pci_dev *pdev)
 		rtnl_unlock();
 	}
 	netif_device_attach(netdev);
+
+	if (adapter->wol)
+		be_setup_wol(adapter, false);
 	return 0;
 }
 
-- 
GitLab


From 3454f835837609d60b29a266e3bd9d701073b060 Mon Sep 17 00:00:00 2001
From: Ajit Khaparde <ajitk@serverengines.com>
Date: Thu, 3 Dec 2009 06:19:08 +0000
Subject: [PATCH 1770/1815] be2net: Bump up the driver version number

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/benet/be.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h
index e71cc594941..9e56014d27e 100644
--- a/drivers/net/benet/be.h
+++ b/drivers/net/benet/be.h
@@ -32,7 +32,7 @@
 
 #include "be_hw.h"
 
-#define DRV_VER			"2.101.205"
+#define DRV_VER			"2.101.346u"
 #define DRV_NAME		"be2net"
 #define BE_NAME			"ServerEngines BladeEngine2 10Gbps NIC"
 #define BE3_NAME		"ServerEngines BladeEngine3 10Gbps NIC"
-- 
GitLab


From 8e95a2026f3b43f7c3d676adaccd2de9532e8dcc Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Thu, 3 Dec 2009 07:58:21 +0000
Subject: [PATCH 1771/1815] drivers/net: Move && and || to end of previous line

Only files where David Miller is the primary git-signer.
wireless, wimax, ixgbe, etc are not modified.

Compile tested x86 allyesconfig only
Not all files compiled (not x86 compatible)

Added a few > 80 column lines, which I ignored.
Existing checkpatch complaints ignored.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/3c501.c                     |  8 +--
 drivers/net/3c503.c                     | 15 +++--
 drivers/net/3c507.c                     |  4 +-
 drivers/net/3c509.c                     | 10 +--
 drivers/net/3c515.c                     | 13 ++--
 drivers/net/3c527.c                     |  4 +-
 drivers/net/3c59x.c                     |  4 +-
 drivers/net/8139cp.c                    |  4 +-
 drivers/net/8139too.c                   | 12 ++--
 drivers/net/appletalk/ipddp.c           | 12 ++--
 drivers/net/arcnet/arc-rimi.c           |  6 +-
 drivers/net/arcnet/arcnet.c             | 14 ++--
 drivers/net/at1700.c                    | 16 ++---
 drivers/net/atarilance.c                |  4 +-
 drivers/net/atlx/atl1.c                 |  8 +--
 drivers/net/atp.c                       |  4 +-
 drivers/net/benet/be_main.c             |  4 +-
 drivers/net/bfin_mac.c                  | 12 ++--
 drivers/net/bmac.c                      |  4 +-
 drivers/net/bnx2x_link.c                |  4 +-
 drivers/net/bonding/bond_3ad.c          | 24 +++----
 drivers/net/bonding/bond_main.c         |  4 +-
 drivers/net/bonding/bonding.h           |  4 +-
 drivers/net/can/usb/ems_usb.c           |  8 +--
 drivers/net/cxgb3/cxgb3_main.c          | 26 ++++----
 drivers/net/dl2k.c                      |  4 +-
 drivers/net/dm9000.c                    |  4 +-
 drivers/net/e1000/e1000_main.c          |  4 +-
 drivers/net/e1000e/netdev.c             |  8 +--
 drivers/net/e2100.c                     |  6 +-
 drivers/net/ehea/ehea_main.c            | 20 +++---
 drivers/net/ehea/ehea_qmr.c             |  4 +-
 drivers/net/epic100.c                   |  8 +--
 drivers/net/fealnx.c                    | 12 ++--
 drivers/net/gianfar_sysfs.c             |  4 +-
 drivers/net/hamachi.c                   | 10 +--
 drivers/net/hamradio/bpqether.c         |  5 +-
 drivers/net/hamradio/dmascc.c           |  8 +--
 drivers/net/hp-plus.c                   |  4 +-
 drivers/net/hp100.c                     |  4 +-
 drivers/net/ibm_newemac/core.c          | 24 +++----
 drivers/net/igb/igb_main.c              |  5 +-
 drivers/net/igbvf/netdev.c              |  4 +-
 drivers/net/irda/irda-usb.c             |  8 +--
 drivers/net/irda/stir4200.c             | 12 ++--
 drivers/net/irda/via-ircc.c             | 16 ++---
 drivers/net/irda/vlsi_ir.c              | 16 ++---
 drivers/net/isa-skeleton.c              |  6 +-
 drivers/net/iseries_veth.c              | 42 ++++++------
 drivers/net/jazzsonic.c                 |  4 +-
 drivers/net/jme.c                       | 12 ++--
 drivers/net/lance.c                     | 12 ++--
 drivers/net/lib8390.c                   | 12 ++--
 drivers/net/ll_temac_main.c             |  4 +-
 drivers/net/mac89x0.c                   |  4 +-
 drivers/net/mace.c                      |  4 +-
 drivers/net/myri10ge/myri10ge.c         | 16 ++---
 drivers/net/natsemi.c                   | 28 ++++----
 drivers/net/netxen/netxen_nic_ethtool.c | 32 ++++-----
 drivers/net/netxen/netxen_nic_hw.c      | 16 ++---
 drivers/net/ni52.c                      |  4 +-
 drivers/net/ns83820.c                   | 24 +++----
 drivers/net/pci-skeleton.c              | 12 ++--
 drivers/net/pcmcia/axnet_cs.c           |  4 +-
 drivers/net/pcmcia/fmvj18x_cs.c         | 20 +++---
 drivers/net/pcmcia/pcnet_cs.c           |  4 +-
 drivers/net/pcmcia/smc91c92_cs.c        |  8 +--
 drivers/net/pcmcia/xirc2ps_cs.c         | 16 ++---
 drivers/net/pcnet32.c                   | 20 +++---
 drivers/net/phy/phy.c                   | 18 +++---
 drivers/net/plip.c                      | 13 ++--
 drivers/net/ppp_async.c                 | 12 ++--
 drivers/net/ppp_deflate.c               | 44 ++++++-------
 drivers/net/ppp_generic.c               | 66 +++++++++----------
 drivers/net/ppp_mppe.c                  |  8 +--
 drivers/net/ppp_synctty.c               |  4 +-
 drivers/net/pppoe.c                     |  4 +-
 drivers/net/qla3xxx.c                   |  8 +--
 drivers/net/qlge/qlge_main.c            |  4 +-
 drivers/net/r6040.c                     |  3 +-
 drivers/net/r8169.c                     |  4 +-
 drivers/net/s6gmac.c                    |  6 +-
 drivers/net/sc92031.c                   | 14 ++--
 drivers/net/skge.c                      | 23 +++----
 drivers/net/sky2.c                      | 32 ++++-----
 drivers/net/slip.c                      |  8 +--
 drivers/net/smc-mca.c                   |  6 +-
 drivers/net/smc91x.h                    | 10 +--
 drivers/net/smsc911x.c                  |  4 +-
 drivers/net/starfire.c                  |  8 +--
 drivers/net/stmmac/stmmac_main.c        |  3 +-
 drivers/net/sundance.c                  | 16 ++---
 drivers/net/sungem.h                    |  4 +-
 drivers/net/sunhme.c                    |  6 +-
 drivers/net/tehuti.c                    | 14 ++--
 drivers/net/tg3.c                       | 13 ++--
 drivers/net/tlan.c                      |  4 +-
 drivers/net/tokenring/lanstreamer.c     |  8 +--
 drivers/net/tokenring/smctr.c           | 86 ++++++++++++-------------
 drivers/net/tokenring/tms380tr.c        | 24 +++----
 drivers/net/tulip/21142.c               |  8 +--
 drivers/net/tulip/de2104x.c             |  6 +-
 drivers/net/tulip/eeprom.c              |  8 +--
 drivers/net/tulip/interrupt.c           | 16 ++---
 drivers/net/tulip/media.c               |  4 +-
 drivers/net/tulip/pnic2.c               |  6 +-
 drivers/net/tulip/tulip_core.c          | 22 ++++---
 drivers/net/tulip/winbond-840.c         |  8 +--
 drivers/net/typhoon.c                   |  4 +-
 drivers/net/ucc_geth.c                  | 24 +++----
 drivers/net/usb/asix.c                  | 12 ++--
 drivers/net/usb/catc.c                  |  4 +-
 drivers/net/usb/cdc-phonet.c            |  8 +--
 drivers/net/usb/cdc_eem.c               |  4 +-
 drivers/net/usb/cdc_ether.c             | 32 ++++-----
 drivers/net/usb/hso.c                   | 34 +++++-----
 drivers/net/usb/mcs7830.c               |  4 +-
 drivers/net/usb/rndis_host.c            | 10 +--
 drivers/net/usb/usbnet.c                | 48 +++++++-------
 drivers/net/usb/zaurus.c                |  4 +-
 drivers/net/via-rhine.c                 | 10 +--
 drivers/net/via-velocity.c              | 16 ++---
 drivers/net/virtio_net.c                | 10 +--
 drivers/net/vmxnet3/vmxnet3_drv.c       |  4 +-
 drivers/net/vxge/vxge-main.c            |  6 +-
 drivers/net/vxge/vxge-traffic.c         | 20 +++---
 drivers/net/wan/farsync.c               | 12 ++--
 drivers/net/wan/pc300_drv.c             | 17 +++--
 drivers/net/wan/sbni.c                  | 28 ++++----
 drivers/net/wan/x25_asy.c               |  4 +-
 drivers/net/yellowfin.c                 |  8 +--
 drivers/net/znet.c                      |  4 +-
 132 files changed, 799 insertions(+), 805 deletions(-)

diff --git a/drivers/net/3c501.c b/drivers/net/3c501.c
index 62ceb2b4820..4d4cad393dc 100644
--- a/drivers/net/3c501.c
+++ b/drivers/net/3c501.c
@@ -249,11 +249,11 @@ static int __init el1_probe1(struct net_device *dev, int ioaddr)
 	 *	for the Sager NP943 prefix.
 	 */
 
-	if (station_addr[0] == 0x02  &&  station_addr[1] == 0x60
-						&& station_addr[2] == 0x8c)
+	if (station_addr[0] == 0x02 && station_addr[1] == 0x60 &&
+	    station_addr[2] == 0x8c)
 		mname = "3c501";
-	else if (station_addr[0] == 0x00  &&  station_addr[1] == 0x80
-						&& station_addr[2] == 0xC8)
+	else if (station_addr[0] == 0x00 && station_addr[1] == 0x80 &&
+		 station_addr[2] == 0xC8)
 		mname = "NP943";
 	else {
 		release_region(ioaddr, EL1_IO_EXTENT);
diff --git a/drivers/net/3c503.c b/drivers/net/3c503.c
index c71e12d05f6..66e0323c183 100644
--- a/drivers/net/3c503.c
+++ b/drivers/net/3c503.c
@@ -214,8 +214,8 @@ el2_probe1(struct net_device *dev, int ioaddr)
     iobase_reg = inb(ioaddr+0x403);
     membase_reg = inb(ioaddr+0x404);
     /* ASIC location registers should be 0 or have only a single bit set. */
-    if (   (iobase_reg  & (iobase_reg - 1))
-	|| (membase_reg & (membase_reg - 1))) {
+    if ((iobase_reg  & (iobase_reg - 1)) ||
+	(membase_reg & (membase_reg - 1))) {
 	retval = -ENODEV;
 	goto out1;
     }
@@ -291,8 +291,8 @@ el2_probe1(struct net_device *dev, int ioaddr)
 	    writel(0xba5eba5e, mem_base);
 	    for (i = sizeof(test_val); i < EL2_MEMSIZE; i+=sizeof(test_val)) {
 		writel(test_val, mem_base + i);
-		if (readl(mem_base) != 0xba5eba5e
-		    || readl(mem_base + i) != test_val) {
+		if (readl(mem_base) != 0xba5eba5e ||
+		    readl(mem_base + i) != test_val) {
 		    pr_warning("3c503: memory failure or memory address conflict.\n");
 		    dev->mem_start = 0;
 		    ei_status.name = "3c503-PIO";
@@ -397,9 +397,10 @@ el2_open(struct net_device *dev)
 		unsigned long cookie = probe_irq_on();
 		outb_p(0x04 << ((*irqp == 9) ? 2 : *irqp), E33G_IDCFR);
 		outb_p(0x00, E33G_IDCFR);
-		if (*irqp == probe_irq_off(cookie)	/* It's a good IRQ line! */
-		    && ((retval = request_irq(dev->irq = *irqp,
-		    eip_interrupt, 0, dev->name, dev)) == 0))
+		if (*irqp == probe_irq_off(cookie) &&	/* It's a good IRQ line! */
+		    ((retval = request_irq(dev->irq = *irqp,
+					   eip_interrupt, 0,
+					   dev->name, dev)) == 0))
 		    break;
 	    } else {
 		    if (retval != -EBUSY)
diff --git a/drivers/net/3c507.c b/drivers/net/3c507.c
index 605f1d17a8f..fbc231153e5 100644
--- a/drivers/net/3c507.c
+++ b/drivers/net/3c507.c
@@ -836,8 +836,8 @@ static void el16_rx(struct net_device *dev)
 		void __iomem *data_frame = lp->base + data_buffer_addr;
 		ushort pkt_len = readw(data_frame);
 
-		if (rfd_cmd != 0 || data_buffer_addr != rx_head + 22
-			|| (pkt_len & 0xC000) != 0xC000) {
+		if (rfd_cmd != 0 || data_buffer_addr != rx_head + 22 ||
+		    (pkt_len & 0xC000) != 0xC000) {
 			pr_err("%s: Rx frame at %#x corrupted, "
 			       "status %04x cmd %04x next %04x "
 			       "data-buf @%04x %04x.\n",
diff --git a/drivers/net/3c509.c b/drivers/net/3c509.c
index 8d4ce096407..9d85efce591 100644
--- a/drivers/net/3c509.c
+++ b/drivers/net/3c509.c
@@ -253,9 +253,9 @@ static int el3_isa_id_sequence(__be16 *phys_addr)
 		   This check is needed in order not to register them twice. */
 		for (i = 0; i < el3_cards; i++) {
 			struct el3_private *lp = netdev_priv(el3_devs[i]);
-			if (lp->type == EL3_PNP
-			    && !memcmp(phys_addr, el3_devs[i]->dev_addr,
-				       ETH_ALEN)) {
+			if (lp->type == EL3_PNP &&
+			    !memcmp(phys_addr, el3_devs[i]->dev_addr,
+				    ETH_ALEN)) {
 				if (el3_debug > 3)
 					pr_debug("3c509 with address %02x %02x %02x %02x %02x %02x was found by ISAPnP\n",
 						phys_addr[0] & 0xff, phys_addr[0] >> 8,
@@ -835,8 +835,8 @@ el3_start_xmit(struct sk_buff *skb, struct net_device *dev)
 #ifndef final_version
 	{	/* Error-checking code, delete someday. */
 		ushort status = inw(ioaddr + EL3_STATUS);
-		if (status & 0x0001 		/* IRQ line active, missed one. */
-			&& inw(ioaddr + EL3_STATUS) & 1) { 			/* Make sure. */
+		if (status & 0x0001 && 		/* IRQ line active, missed one. */
+		    inw(ioaddr + EL3_STATUS) & 1) { 			/* Make sure. */
 			pr_debug("%s: Missed interrupt, status then %04x now %04x"
 				   "  Tx %2.2x Rx %4.4x.\n", dev->name, status,
 				   inw(ioaddr + EL3_STATUS), inb(ioaddr + TX_STATUS),
diff --git a/drivers/net/3c515.c b/drivers/net/3c515.c
index 37faf36e245..063b049ffe5 100644
--- a/drivers/net/3c515.c
+++ b/drivers/net/3c515.c
@@ -764,10 +764,11 @@ static int corkscrew_open(struct net_device *dev)
 	/* Use the now-standard shared IRQ implementation. */
 	if (vp->capabilities == 0x11c7) {
 		/* Corkscrew: Cannot share ISA resources. */
-		if (dev->irq == 0
-		    || dev->dma == 0
-		    || request_irq(dev->irq, corkscrew_interrupt, 0,
-				   vp->product_name, dev)) return -EAGAIN;
+		if (dev->irq == 0 ||
+		    dev->dma == 0 ||
+		    request_irq(dev->irq, corkscrew_interrupt, 0,
+				vp->product_name, dev))
+			return -EAGAIN;
 		enable_dma(dev->dma);
 		set_dma_mode(dev->dma, DMA_MODE_CASCADE);
 	} else if (request_irq(dev->irq, corkscrew_interrupt, IRQF_SHARED,
@@ -1368,8 +1369,8 @@ static int boomerang_rx(struct net_device *dev)
 
 			/* Check if the packet is long enough to just accept without
 			   copying to a properly sized skbuff. */
-			if (pkt_len < rx_copybreak
-			    && (skb = dev_alloc_skb(pkt_len + 4)) != NULL) {
+			if (pkt_len < rx_copybreak &&
+			    (skb = dev_alloc_skb(pkt_len + 4)) != NULL) {
 				skb_reserve(skb, 2);	/* Align IP on 16 byte boundaries */
 				/* 'skb_put()' points to the start of sk_buff data area. */
 				memcpy(skb_put(skb, pkt_len),
diff --git a/drivers/net/3c527.c b/drivers/net/3c527.c
index d91c3464fe7..36c4191e7bc 100644
--- a/drivers/net/3c527.c
+++ b/drivers/net/3c527.c
@@ -1168,8 +1168,8 @@ static void mc32_rx_ring(struct net_device *dev)
 
 			/* Try to save time by avoiding a copy on big frames */
 
-			if ((length > RX_COPYBREAK)
-			    && ((newskb=dev_alloc_skb(1532)) != NULL))
+			if ((length > RX_COPYBREAK) &&
+			    ((newskb=dev_alloc_skb(1532)) != NULL))
 			{
 				skb=lp->rx_ring[rx_ring_tail].skb;
 				skb_put(skb, length);
diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c
index 32031eaf491..78b7167a8ce 100644
--- a/drivers/net/3c59x.c
+++ b/drivers/net/3c59x.c
@@ -1942,8 +1942,8 @@ vortex_error(struct net_device *dev, int status)
 	if (status & TxComplete) {			/* Really "TxError" for us. */
 		tx_status = ioread8(ioaddr + TxStatus);
 		/* Presumably a tx-timeout. We must merely re-enable. */
-		if (vortex_debug > 2
-			|| (tx_status != 0x88 && vortex_debug > 0)) {
+		if (vortex_debug > 2 ||
+		    (tx_status != 0x88 && vortex_debug > 0)) {
 			pr_err("%s: Transmit error, Tx status register %2.2x.\n",
 				   dev->name, tx_status);
 			if (tx_status == 0x82) {
diff --git a/drivers/net/8139cp.c b/drivers/net/8139cp.c
index ab451bb8995..3f452bcbfb9 100644
--- a/drivers/net/8139cp.c
+++ b/drivers/net/8139cp.c
@@ -909,8 +909,8 @@ static void __cp_set_rx_mode (struct net_device *dev)
 		    AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
 		    AcceptAllPhys;
 		mc_filter[1] = mc_filter[0] = 0xffffffff;
-	} else if ((dev->mc_count > multicast_filter_limit)
-		   || (dev->flags & IFF_ALLMULTI)) {
+	} else if ((dev->mc_count > multicast_filter_limit) ||
+		   (dev->flags & IFF_ALLMULTI)) {
 		/* Too many to filter perfectly -- accept all multicasts. */
 		rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
 		mc_filter[1] = mc_filter[0] = 0xffffffff;
diff --git a/drivers/net/8139too.c b/drivers/net/8139too.c
index 7e333f73b22..25f7339daab 100644
--- a/drivers/net/8139too.c
+++ b/drivers/net/8139too.c
@@ -1549,8 +1549,8 @@ static inline void rtl8139_thread_iter (struct net_device *dev,
 	mii_lpa = mdio_read (dev, tp->phys[0], MII_LPA);
 
 	if (!tp->mii.force_media && mii_lpa != 0xffff) {
-		int duplex = (mii_lpa & LPA_100FULL)
-		    || (mii_lpa & 0x01C0) == 0x0040;
+		int duplex = ((mii_lpa & LPA_100FULL) ||
+			      (mii_lpa & 0x01C0) == 0x0040);
 		if (tp->mii.full_duplex != duplex) {
 			tp->mii.full_duplex = duplex;
 
@@ -1936,8 +1936,8 @@ static int rtl8139_rx(struct net_device *dev, struct rtl8139_private *tp,
 		 RTL_R16 (RxBufAddr),
 		 RTL_R16 (RxBufPtr), RTL_R8 (ChipCmd));
 
-	while (netif_running(dev) && received < budget
-	       && (RTL_R8 (ChipCmd) & RxBufEmpty) == 0) {
+	while (netif_running(dev) && received < budget &&
+	       (RTL_R8 (ChipCmd) & RxBufEmpty) == 0) {
 		u32 ring_offset = cur_rx % RX_BUF_LEN;
 		u32 rx_status;
 		unsigned int pkt_size;
@@ -2521,8 +2521,8 @@ static void __set_rx_mode (struct net_device *dev)
 		    AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
 		    AcceptAllPhys;
 		mc_filter[1] = mc_filter[0] = 0xffffffff;
-	} else if ((dev->mc_count > multicast_filter_limit)
-		   || (dev->flags & IFF_ALLMULTI)) {
+	} else if ((dev->mc_count > multicast_filter_limit) ||
+		   (dev->flags & IFF_ALLMULTI)) {
 		/* Too many to filter perfectly -- accept all multicasts. */
 		rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
 		mc_filter[1] = mc_filter[0] = 0xffffffff;
diff --git a/drivers/net/appletalk/ipddp.c b/drivers/net/appletalk/ipddp.c
index aaf14d306a4..eb0448b03f4 100644
--- a/drivers/net/appletalk/ipddp.c
+++ b/drivers/net/appletalk/ipddp.c
@@ -230,9 +230,9 @@ static int ipddp_delete(struct ipddp_route *rt)
 	spin_lock_bh(&ipddp_route_lock);
         while((tmp = *r) != NULL)
         {
-                if(tmp->ip == rt->ip
-                        && tmp->at.s_net == rt->at.s_net
-                        && tmp->at.s_node == rt->at.s_node)
+                if(tmp->ip == rt->ip &&
+		   tmp->at.s_net == rt->at.s_net &&
+		   tmp->at.s_node == rt->at.s_node)
                 {
                         *r = tmp->next;
 			spin_unlock_bh(&ipddp_route_lock);
@@ -255,9 +255,9 @@ static struct ipddp_route* __ipddp_find_route(struct ipddp_route *rt)
 
         for(f = ipddp_route_list; f != NULL; f = f->next)
         {
-                if(f->ip == rt->ip
-                        && f->at.s_net == rt->at.s_net
-                        && f->at.s_node == rt->at.s_node)
+                if(f->ip == rt->ip &&
+		   f->at.s_net == rt->at.s_net &&
+		   f->at.s_node == rt->at.s_node)
                         return (f);
         }
 
diff --git a/drivers/net/arcnet/arc-rimi.c b/drivers/net/arcnet/arc-rimi.c
index c5b988140a9..e6afab2455b 100644
--- a/drivers/net/arcnet/arc-rimi.c
+++ b/drivers/net/arcnet/arc-rimi.c
@@ -174,9 +174,9 @@ static int __init arcrimi_found(struct net_device *dev)
 	 * 2k (or there are no mirrors at all) but on some, it's 4k.
 	 */
 	mirror_size = MIRROR_SIZE;
-	if (readb(p) == TESTvalue
-	    && check_mirror(shmem - MIRROR_SIZE, MIRROR_SIZE) == 0
-	    && check_mirror(shmem - 2 * MIRROR_SIZE, MIRROR_SIZE) == 1)
+	if (readb(p) == TESTvalue &&
+	    check_mirror(shmem - MIRROR_SIZE, MIRROR_SIZE) == 0 &&
+	    check_mirror(shmem - 2 * MIRROR_SIZE, MIRROR_SIZE) == 1)
 		mirror_size = 2 * MIRROR_SIZE;
 
 	first_mirror = shmem - mirror_size;
diff --git a/drivers/net/arcnet/arcnet.c b/drivers/net/arcnet/arcnet.c
index 75a57256090..d8f02930375 100644
--- a/drivers/net/arcnet/arcnet.c
+++ b/drivers/net/arcnet/arcnet.c
@@ -301,8 +301,8 @@ static int choose_mtu(void)
 
 	/* choose the smallest MTU of all available encaps */
 	for (count = 0; count < 256; count++) {
-		if (arc_proto_map[count] != &arc_proto_null
-		    && arc_proto_map[count]->mtu < mtu) {
+		if (arc_proto_map[count] != &arc_proto_null &&
+		    arc_proto_map[count]->mtu < mtu) {
 			mtu = arc_proto_map[count]->mtu;
 		}
 	}
@@ -953,13 +953,13 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id)
 				 *    > RECON_THRESHOLD/min;
 				 * then print a warning message.
 				 */
-				if (!lp->network_down
-				    && (lp->last_recon - lp->first_recon) <= HZ * 60
-				  && lp->num_recons >= RECON_THRESHOLD) {
+				if (!lp->network_down &&
+				    (lp->last_recon - lp->first_recon) <= HZ * 60 &&
+				    lp->num_recons >= RECON_THRESHOLD) {
 					lp->network_down = 1;
 					BUGMSG(D_NORMAL, "many reconfigurations detected: cabling problem?\n");
-				} else if (!lp->network_down
-					   && lp->last_recon - lp->first_recon > HZ * 60) {
+				} else if (!lp->network_down &&
+					   lp->last_recon - lp->first_recon > HZ * 60) {
 					/* reset counters if we've gone for over a minute. */
 					lp->first_recon = lp->last_recon;
 					lp->num_recons = 1;
diff --git a/drivers/net/at1700.c b/drivers/net/at1700.c
index d4ab69f032b..b14f4799d5d 100644
--- a/drivers/net/at1700.c
+++ b/drivers/net/at1700.c
@@ -350,13 +350,13 @@ static int __init at1700_probe1(struct net_device *dev, int ioaddr)
 	slot = -1;
 	/* We must check for the EEPROM-config boards first, else accessing
 	   IOCONFIG0 will move the board! */
-	if (at1700_probe_list[inb(ioaddr + IOCONFIG1) & 0x07] == ioaddr
-		&& read_eeprom(ioaddr, 4) == 0x0000
-		&& (read_eeprom(ioaddr, 5) & 0xff00) == 0xF400)
+	if (at1700_probe_list[inb(ioaddr + IOCONFIG1) & 0x07] == ioaddr &&
+	    read_eeprom(ioaddr, 4) == 0x0000 &&
+	    (read_eeprom(ioaddr, 5) & 0xff00) == 0xF400)
 		is_at1700 = 1;
-	else if (inb(ioaddr   + SAPROM    ) == 0x00
-		&& inb(ioaddr + SAPROM + 1) == 0x00
-		&& inb(ioaddr + SAPROM + 2) == 0x0e)
+	else if (inb(ioaddr + SAPROM    ) == 0x00 &&
+		 inb(ioaddr + SAPROM + 1) == 0x00 &&
+		 inb(ioaddr + SAPROM + 2) == 0x0e)
 		is_fmv18x = 1;
 	else {
 		goto err_out;
@@ -839,8 +839,8 @@ set_rx_mode(struct net_device *dev)
 	if (dev->flags & IFF_PROMISC) {
 		memset(mc_filter, 0xff, sizeof(mc_filter));
 		outb(3, ioaddr + RX_MODE);	/* Enable promiscuous mode */
-	} else if (dev->mc_count > MC_FILTERBREAK
-			   ||  (dev->flags & IFF_ALLMULTI)) {
+	} else if (dev->mc_count > MC_FILTERBREAK ||
+			   (dev->flags & IFF_ALLMULTI)) {
 		/* Too many to filter perfectly -- accept all multicasts. */
 		memset(mc_filter, 0xff, sizeof(mc_filter));
 		outb(2, ioaddr + RX_MODE);	/* Use normal mode. */
diff --git a/drivers/net/atarilance.c b/drivers/net/atarilance.c
index 0c0deceb693..c5721cb3826 100644
--- a/drivers/net/atarilance.c
+++ b/drivers/net/atarilance.c
@@ -930,8 +930,8 @@ static irqreturn_t lance_interrupt( int irq, void *dev_id )
 			}
 #endif
 
-			if (lp->tx_full && (netif_queue_stopped(dev))
-				&& dirty_tx > lp->cur_tx - TX_RING_SIZE + 2) {
+			if (lp->tx_full && (netif_queue_stopped(dev)) &&
+				dirty_tx > lp->cur_tx - TX_RING_SIZE + 2) {
 				/* The ring is no longer full, clear tbusy. */
 				lp->tx_full = 0;
 				netif_wake_queue (dev);
diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c
index e547f788a26..b6cf3263127 100644
--- a/drivers/net/atlx/atl1.c
+++ b/drivers/net/atlx/atl1.c
@@ -1344,8 +1344,8 @@ static u32 atl1_check_link(struct atl1_adapter *adapter)
 
 	/* link result is our setting */
 	if (!reconfig) {
-		if (adapter->link_speed != speed
-		    || adapter->link_duplex != duplex) {
+		if (adapter->link_speed != speed ||
+		    adapter->link_duplex != duplex) {
 			adapter->link_speed = speed;
 			adapter->link_duplex = duplex;
 			atl1_setup_mac_ctrl(adapter);
@@ -2087,8 +2087,8 @@ static void atl1_intr_tx(struct atl1_adapter *adapter)
 	}
 	atomic_set(&tpd_ring->next_to_clean, sw_tpd_next_to_clean);
 
-	if (netif_queue_stopped(adapter->netdev)
-	    && netif_carrier_ok(adapter->netdev))
+	if (netif_queue_stopped(adapter->netdev) &&
+	    netif_carrier_ok(adapter->netdev))
 		netif_wake_queue(adapter->netdev);
 }
 
diff --git a/drivers/net/atp.c b/drivers/net/atp.c
index 001791775be..2f8261c9614 100644
--- a/drivers/net/atp.c
+++ b/drivers/net/atp.c
@@ -673,8 +673,8 @@ static irqreturn_t atp_interrupt(int irq, void *dev_instance)
 				netif_wake_queue(dev);	/* Inform upper layers. */
 			}
 			num_tx_since_rx++;
-		} else if (num_tx_since_rx > 8
-				   && time_after(jiffies, dev->last_rx + HZ)) {
+		} else if (num_tx_since_rx > 8 &&
+			   time_after(jiffies, dev->last_rx + HZ)) {
 			if (net_debug > 2)
 				printk(KERN_DEBUG "%s: Missed packet? No Rx after %d Tx and "
 					   "%ld jiffies status %02x  CMR1 %02x.\n", dev->name,
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index 84f686f41b5..957a0f7f276 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -2382,8 +2382,8 @@ static struct pci_driver be_driver = {
 
 static int __init be_init_module(void)
 {
-	if (rx_frag_size != 8192 && rx_frag_size != 4096
-		&& rx_frag_size != 2048) {
+	if (rx_frag_size != 8192 && rx_frag_size != 4096 &&
+	    rx_frag_size != 2048) {
 		printk(KERN_WARNING DRV_NAME
 			" : Module param rx_frag_size must be 2048/4096/8192."
 			" Using 2048\n");
diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c
index 14bd3801f7d..8ffea3990d0 100644
--- a/drivers/net/bfin_mac.c
+++ b/drivers/net/bfin_mac.c
@@ -554,8 +554,8 @@ static void adjust_tx_list(void)
 {
 	int timeout_cnt = MAX_TIMEOUT_CNT;
 
-	if (tx_list_head->status.status_word != 0
-	    && current_tx_ptr != tx_list_head) {
+	if (tx_list_head->status.status_word != 0 &&
+	    current_tx_ptr != tx_list_head) {
 		goto adjust_head;	/* released something, just return; */
 	}
 
@@ -567,8 +567,8 @@ static void adjust_tx_list(void)
 	if (current_tx_ptr->next->next == tx_list_head) {
 		while (tx_list_head->status.status_word == 0) {
 			udelay(10);
-			if (tx_list_head->status.status_word != 0
-			    || !(bfin_read_DMA2_IRQ_STATUS() & DMA_RUN)) {
+			if (tx_list_head->status.status_word != 0 ||
+			    !(bfin_read_DMA2_IRQ_STATUS() & DMA_RUN)) {
 				goto adjust_head;
 			}
 			if (timeout_cnt-- < 0) {
@@ -596,8 +596,8 @@ adjust_head:
 			       ": no sk_buff in a transmitted frame!\n");
 		}
 		tx_list_head = tx_list_head->next;
-	} while (tx_list_head->status.status_word != 0
-		 && current_tx_ptr != tx_list_head);
+	} while (tx_list_head->status.status_word != 0 &&
+		 current_tx_ptr != tx_list_head);
 	return;
 
 }
diff --git a/drivers/net/bmac.c b/drivers/net/bmac.c
index 406f0642425..9b587c34419 100644
--- a/drivers/net/bmac.c
+++ b/drivers/net/bmac.c
@@ -438,8 +438,8 @@ bmac_init_phy(struct net_device *dev)
 
 		ctrl = bmac_mif_read(dev, 0);
 		capable = ((bmac_mif_read(dev, 1) & 0xf800) >> 6) | 1;
-		if (bmac_mif_read(dev, 4) != capable
-		    || (ctrl & 0x1000) == 0) {
+		if (bmac_mif_read(dev, 4) != capable ||
+		    (ctrl & 0x1000) == 0) {
 			bmac_mif_write(dev, 4, capable);
 			bmac_mif_write(dev, 0, 0x1200);
 		} else
diff --git a/drivers/net/bnx2x_link.c b/drivers/net/bnx2x_link.c
index 41b9b7bd3d8..cf5778919b4 100644
--- a/drivers/net/bnx2x_link.c
+++ b/drivers/net/bnx2x_link.c
@@ -4717,8 +4717,8 @@ static u8 bnx2x_ext_phy_is_link_up(struct link_params *params,
 				      0xc809, &val1);
 
 			DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
-			ext_phy_link_up = ((rx_sd & 0x1) && (val1 & (1<<9))
-					   && ((val1 & (1<<8)) == 0));
+			ext_phy_link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) &&
+					   ((val1 & (1<<8)) == 0));
 			if (ext_phy_link_up)
 				vars->line_speed = SPEED_10000;
 			break;
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index 88c3fe80b35..d69e6838f21 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -561,12 +561,12 @@ static void __update_selected(struct lacpdu *lacpdu, struct port *port)
 		const struct port_params *partner = &port->partner_oper;
 
 		// check if any parameter is different
-		if (ntohs(lacpdu->actor_port) != partner->port_number
-		    || ntohs(lacpdu->actor_port_priority) != partner->port_priority
-		    || MAC_ADDRESS_COMPARE(&lacpdu->actor_system, &partner->system)
-		    || ntohs(lacpdu->actor_system_priority) != partner->system_priority
-		    || ntohs(lacpdu->actor_key) != partner->key
-		    || (lacpdu->actor_state & AD_STATE_AGGREGATION) != (partner->port_state & AD_STATE_AGGREGATION)) {
+		if (ntohs(lacpdu->actor_port) != partner->port_number ||
+		    ntohs(lacpdu->actor_port_priority) != partner->port_priority ||
+		    MAC_ADDRESS_COMPARE(&lacpdu->actor_system, &partner->system) ||
+		    ntohs(lacpdu->actor_system_priority) != partner->system_priority ||
+		    ntohs(lacpdu->actor_key) != partner->key ||
+		    (lacpdu->actor_state & AD_STATE_AGGREGATION) != (partner->port_state & AD_STATE_AGGREGATION)) {
 			// update the state machine Selected variable
 			port->sm_vars &= ~AD_PORT_SELECTED;
 		}
@@ -592,12 +592,12 @@ static void __update_default_selected(struct port *port)
 		const struct port_params *oper = &port->partner_oper;
 
 		// check if any parameter is different
-		if (admin->port_number != oper->port_number
-		    || admin->port_priority != oper->port_priority
-		    || MAC_ADDRESS_COMPARE(&admin->system, &oper->system)
-		    || admin->system_priority != oper->system_priority
-		    || admin->key != oper->key
-		    || (admin->port_state & AD_STATE_AGGREGATION)
+		if (admin->port_number != oper->port_number ||
+		    admin->port_priority != oper->port_priority ||
+		    MAC_ADDRESS_COMPARE(&admin->system, &oper->system) ||
+		    admin->system_priority != oper->system_priority ||
+		    admin->key != oper->key ||
+		    (admin->port_state & AD_STATE_AGGREGATION)
 			!= (oper->port_state & AD_STATE_AGGREGATION)) {
 			// update the state machine Selected variable
 			port->sm_vars &= ~AD_PORT_SELECTED;
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index ac3fe20abf8..af9b9c4eb49 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1852,8 +1852,8 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev)
 	}
 
 	if (!bond->params.fail_over_mac) {
-		if (!compare_ether_addr(bond_dev->dev_addr, slave->perm_hwaddr)
-		    && bond->slave_cnt > 1)
+		if (!compare_ether_addr(bond_dev->dev_addr, slave->perm_hwaddr) &&
+		    bond->slave_cnt > 1)
 			pr_warning(DRV_NAME
 			       ": %s: Warning: the permanent HWaddr of %s - "
 			       "%pM - is still in use by %s. "
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index a51ae7dc8d5..558ec135252 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -254,8 +254,8 @@ static inline struct bonding *bond_get_bond_by_slave(struct slave *slave)
 
 static inline bool bond_is_lb(const struct bonding *bond)
 {
-	return bond->params.mode == BOND_MODE_TLB
-		|| bond->params.mode == BOND_MODE_ALB;
+	return (bond->params.mode == BOND_MODE_TLB ||
+		bond->params.mode == BOND_MODE_ALB);
 }
 
 #define BOND_PRI_RESELECT_ALWAYS	0
diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c
index 3e4419054c8..591eb0eb1c2 100644
--- a/drivers/net/can/usb/ems_usb.c
+++ b/drivers/net/can/usb/ems_usb.c
@@ -318,12 +318,12 @@ static void ems_usb_rx_can_msg(struct ems_usb *dev, struct ems_cpc_msg *msg)
 	cf->can_id = le32_to_cpu(msg->msg.can_msg.id);
 	cf->can_dlc = min_t(u8, msg->msg.can_msg.length, 8);
 
-	if (msg->type == CPC_MSG_TYPE_EXT_CAN_FRAME
-	    || msg->type == CPC_MSG_TYPE_EXT_RTR_FRAME)
+	if (msg->type == CPC_MSG_TYPE_EXT_CAN_FRAME ||
+	    msg->type == CPC_MSG_TYPE_EXT_RTR_FRAME)
 		cf->can_id |= CAN_EFF_FLAG;
 
-	if (msg->type == CPC_MSG_TYPE_RTR_FRAME
-	    || msg->type == CPC_MSG_TYPE_EXT_RTR_FRAME) {
+	if (msg->type == CPC_MSG_TYPE_RTR_FRAME ||
+	    msg->type == CPC_MSG_TYPE_EXT_RTR_FRAME) {
 		cf->can_id |= CAN_RTR_FLAG;
 	} else {
 		for (i = 0; i < cf->can_dlc; i++)
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index b1a5a00a78c..cef3f882e2b 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -2117,19 +2117,19 @@ static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr)
 		if (t.qset_idx >= SGE_QSETS)
 			return -EINVAL;
 		if (!in_range(t.intr_lat, 0, M_NEWTIMER) ||
-			!in_range(t.cong_thres, 0, 255) ||
-			!in_range(t.txq_size[0], MIN_TXQ_ENTRIES,
-				MAX_TXQ_ENTRIES) ||
-			!in_range(t.txq_size[1], MIN_TXQ_ENTRIES,
-				MAX_TXQ_ENTRIES) ||
-			!in_range(t.txq_size[2], MIN_CTRL_TXQ_ENTRIES,
-				MAX_CTRL_TXQ_ENTRIES) ||
-			!in_range(t.fl_size[0], MIN_FL_ENTRIES,
-				MAX_RX_BUFFERS)
-			|| !in_range(t.fl_size[1], MIN_FL_ENTRIES,
-					MAX_RX_JUMBO_BUFFERS)
-			|| !in_range(t.rspq_size, MIN_RSPQ_ENTRIES,
-					MAX_RSPQ_ENTRIES))
+		    !in_range(t.cong_thres, 0, 255) ||
+		    !in_range(t.txq_size[0], MIN_TXQ_ENTRIES,
+			      MAX_TXQ_ENTRIES) ||
+		    !in_range(t.txq_size[1], MIN_TXQ_ENTRIES,
+			      MAX_TXQ_ENTRIES) ||
+		    !in_range(t.txq_size[2], MIN_CTRL_TXQ_ENTRIES,
+			      MAX_CTRL_TXQ_ENTRIES) ||
+		    !in_range(t.fl_size[0], MIN_FL_ENTRIES,
+			      MAX_RX_BUFFERS) ||
+		    !in_range(t.fl_size[1], MIN_FL_ENTRIES,
+			      MAX_RX_JUMBO_BUFFERS) ||
+		    !in_range(t.rspq_size, MIN_RSPQ_ENTRIES,
+			      MAX_RSPQ_ENTRIES))
 			return -EINVAL;
 
 		if ((adapter->flags & FULL_INIT_DONE) && t.lro > 0)
diff --git a/drivers/net/dl2k.c b/drivers/net/dl2k.c
index a2f1860fdd1..2a8b6a7c0b8 100644
--- a/drivers/net/dl2k.c
+++ b/drivers/net/dl2k.c
@@ -163,8 +163,8 @@ rio_probe1 (struct pci_dev *pdev, const struct pci_device_id *ent)
 			    strcmp (media[card_idx], "4") == 0) {
 				np->speed = 100;
 				np->full_duplex = 1;
-			} else if (strcmp (media[card_idx], "100mbps_hd") == 0
-				   || strcmp (media[card_idx], "3") == 0) {
+			} else if (strcmp (media[card_idx], "100mbps_hd") == 0 ||
+				   strcmp (media[card_idx], "3") == 0) {
 				np->speed = 100;
 				np->full_duplex = 0;
 			} else if (strcmp (media[card_idx], "10mbps_fd") == 0 ||
diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c
index 81590fbb994..0cbe3c0e7c0 100644
--- a/drivers/net/dm9000.c
+++ b/drivers/net/dm9000.c
@@ -1024,8 +1024,8 @@ dm9000_rx(struct net_device *dev)
 		}
 
 		/* Move data from DM9000 */
-		if (GoodPacket
-		    && ((skb = dev_alloc_skb(RxLen + 4)) != NULL)) {
+		if (GoodPacket &&
+		    ((skb = dev_alloc_skb(RxLen + 4)) != NULL)) {
 			skb_reserve(skb, 2);
 			rdptr = (u8 *) skb_put(skb, RxLen - 4);
 
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index b9d86f8b3fd..7e855f9bbd9 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -3507,8 +3507,8 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
 		adapter->detect_tx_hung = false;
 		if (tx_ring->buffer_info[eop].time_stamp &&
 		    time_after(jiffies, tx_ring->buffer_info[eop].time_stamp +
-		               (adapter->tx_timeout_factor * HZ))
-		    && !(er32(STATUS) & E1000_STATUS_TXOFF)) {
+		               (adapter->tx_timeout_factor * HZ)) &&
+		    !(er32(STATUS) & E1000_STATUS_TXOFF)) {
 
 			/* detected Tx unit hang */
 			DPRINTK(DRV, ERR, "Detected Tx Unit Hang\n"
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 941c5f9d0dd..c3105c5087e 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -679,8 +679,8 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter)
 		adapter->detect_tx_hung = 0;
 		if (tx_ring->buffer_info[i].time_stamp &&
 		    time_after(jiffies, tx_ring->buffer_info[i].time_stamp
-			       + (adapter->tx_timeout_factor * HZ))
-		    && !(er32(STATUS) & E1000_STATUS_TXOFF)) {
+			       + (adapter->tx_timeout_factor * HZ)) &&
+		    !(er32(STATUS) & E1000_STATUS_TXOFF)) {
 			schedule_work(&adapter->print_hang_task);
 			netif_stop_queue(netdev);
 		}
@@ -4046,8 +4046,8 @@ static int e1000_transfer_dhcp_info(struct e1000_adapter *adapter,
 	u16 length, offset;
 
 	if (vlan_tx_tag_present(skb)) {
-		if (!((vlan_tx_tag_get(skb) == adapter->hw.mng_cookie.vlan_id)
-		    && (adapter->hw.mng_cookie.status &
+		if (!((vlan_tx_tag_get(skb) == adapter->hw.mng_cookie.vlan_id) &&
+		    (adapter->hw.mng_cookie.status &
 			E1000_MNG_DHCP_COOKIE_STATUS_VLAN)))
 			return 0;
 	}
diff --git a/drivers/net/e2100.c b/drivers/net/e2100.c
index d2f6ee1a629..ca93c9a9d37 100644
--- a/drivers/net/e2100.c
+++ b/drivers/net/e2100.c
@@ -186,9 +186,9 @@ static int __init e21_probe1(struct net_device *dev, int ioaddr)
 		return -EBUSY;
 
 	/* First check the station address for the Ctron prefix. */
-	if (inb(ioaddr + E21_SAPROM + 0) != 0x00
-		|| inb(ioaddr + E21_SAPROM + 1) != 0x00
-		|| inb(ioaddr + E21_SAPROM + 2) != 0x1d) {
+	if (inb(ioaddr + E21_SAPROM + 0) != 0x00 ||
+	    inb(ioaddr + E21_SAPROM + 1) != 0x00 ||
+	    inb(ioaddr + E21_SAPROM + 2) != 0x1d) {
 		retval = -ENODEV;
 		goto out;
 	}
diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
index 7f8fcc2fa74..7b62336e673 100644
--- a/drivers/net/ehea/ehea_main.c
+++ b/drivers/net/ehea/ehea_main.c
@@ -189,8 +189,8 @@ static void ehea_update_firmware_handles(void)
 		for (k = 0; k < EHEA_MAX_PORTS; k++) {
 			struct ehea_port *port = adapter->port[k];
 
-			if (!port || (port->state != EHEA_PORT_UP)
-				|| (num_ports == 0))
+			if (!port || (port->state != EHEA_PORT_UP) ||
+			    (num_ports == 0))
 				continue;
 
 			for (l = 0;
@@ -657,8 +657,8 @@ static int get_skb_hdr(struct sk_buff *skb, void **iphdr,
 static void ehea_proc_skb(struct ehea_port_res *pr, struct ehea_cqe *cqe,
 			  struct sk_buff *skb)
 {
-	int vlan_extracted = (cqe->status & EHEA_CQE_VLAN_TAG_XTRACT)
-		&& pr->port->vgrp;
+	int vlan_extracted = ((cqe->status & EHEA_CQE_VLAN_TAG_XTRACT) &&
+			      pr->port->vgrp);
 
 	if (use_lro) {
 		if (vlan_extracted)
@@ -1389,8 +1389,8 @@ out:
 
 int ehea_rem_smrs(struct ehea_port_res *pr)
 {
-	if ((ehea_rem_mr(&pr->send_mr))
-	    || (ehea_rem_mr(&pr->recv_mr)))
+	if ((ehea_rem_mr(&pr->send_mr)) ||
+	    (ehea_rem_mr(&pr->recv_mr)))
 		return -EIO;
 	else
 		return 0;
@@ -2031,8 +2031,8 @@ static void ehea_xmit2(struct sk_buff *skb, struct net_device *dev,
 		write_ip_start_end(swqe, skb);
 
 		if (iph->protocol == IPPROTO_UDP) {
-			if ((iph->frag_off & IP_MF)
-			    || (iph->frag_off & IP_OFFSET))
+			if ((iph->frag_off & IP_MF) ||
+			    (iph->frag_off & IP_OFFSET))
 				/* IP fragment, so don't change cs */
 				swqe->tx_control &= ~EHEA_SWQE_TCP_CHECKSUM;
 			else
@@ -2077,8 +2077,8 @@ static void ehea_xmit3(struct sk_buff *skb, struct net_device *dev,
 			write_tcp_offset_end(swqe, skb);
 
 		} else if (iph->protocol == IPPROTO_UDP) {
-			if ((iph->frag_off & IP_MF)
-			    || (iph->frag_off & IP_OFFSET))
+			if ((iph->frag_off & IP_MF) ||
+			    (iph->frag_off & IP_OFFSET))
 				/* IP fragment, so don't change cs */
 				swqe->tx_control |= EHEA_SWQE_CRC
 						 | EHEA_SWQE_IMM_DATA_PRESENT;
diff --git a/drivers/net/ehea/ehea_qmr.c b/drivers/net/ehea/ehea_qmr.c
index bc7c5b7abb8..18d405f78c0 100644
--- a/drivers/net/ehea/ehea_qmr.c
+++ b/drivers/net/ehea/ehea_qmr.c
@@ -837,8 +837,8 @@ static u64 ehea_reg_mr_section(int top, int dir, int idx, u64 *pt,
 		hret = ehea_h_register_rpage_mr(adapter->handle, mr->handle, 0,
 						0, pt_abs, EHEA_MAX_RPAGE);
 
-		if ((hret != H_SUCCESS)
-		    && (hret != H_PAGE_REGISTERED)) {
+		if ((hret != H_SUCCESS) &&
+		    (hret != H_PAGE_REGISTERED)) {
 			ehea_h_free_resource(adapter->handle, mr->handle,
 					     FORCE_FREE);
 			ehea_error("register_rpage_mr failed");
diff --git a/drivers/net/epic100.c b/drivers/net/epic100.c
index 703b4c8e9b4..41494f7b2ec 100644
--- a/drivers/net/epic100.c
+++ b/drivers/net/epic100.c
@@ -630,8 +630,8 @@ static int mdio_read(struct net_device *dev, int phy_id, int location)
 		barrier();
 		if ((inl(ioaddr + MIICtrl) & MII_READOP) == 0) {
 			/* Work around read failure bug. */
-			if (phy_id == 1 && location < 6
-				&& inw(ioaddr + MIIData) == 0xffff) {
+			if (phy_id == 1 && location < 6 &&
+			    inw(ioaddr + MIIData) == 0xffff) {
 				outl(read_cmd, ioaddr + MIICtrl);
 				continue;
 			}
@@ -1205,8 +1205,8 @@ static int epic_rx(struct net_device *dev, int budget)
 			}
 			/* Check if the packet is long enough to accept without copying
 			   to a minimally-sized skbuff. */
-			if (pkt_len < rx_copybreak
-				&& (skb = dev_alloc_skb(pkt_len + 2)) != NULL) {
+			if (pkt_len < rx_copybreak &&
+			    (skb = dev_alloc_skb(pkt_len + 2)) != NULL) {
 				skb_reserve(skb, 2);	/* 16 byte align the IP header */
 				pci_dma_sync_single_for_cpu(ep->pci_dev,
 							    ep->rx_ring[entry].bufaddr,
diff --git a/drivers/net/fealnx.c b/drivers/net/fealnx.c
index e173515790c..dac4e595589 100644
--- a/drivers/net/fealnx.c
+++ b/drivers/net/fealnx.c
@@ -1629,8 +1629,8 @@ static int netdev_rx(struct net_device *dev)
 		if (debug)
 			printk(KERN_DEBUG "  netdev_rx() status was %8.8x.\n", rx_status);
 
-		if ((!((rx_status & RXFSD) && (rx_status & RXLSD)))
-		    || (rx_status & ErrorSummary)) {
+		if ((!((rx_status & RXFSD) && (rx_status & RXLSD))) ||
+		    (rx_status & ErrorSummary)) {
 			if (rx_status & ErrorSummary) {	/* there was a fatal error */
 				if (debug)
 					printk(KERN_DEBUG
@@ -1655,8 +1655,8 @@ static int netdev_rx(struct net_device *dev)
 					cur = np->cur_rx;
 					while (desno <= np->really_rx_count) {
 						++desno;
-						if ((!(cur->status & RXOWN))
-						    && (cur->status & RXLSD))
+						if ((!(cur->status & RXOWN)) &&
+						    (cur->status & RXLSD))
 							break;
 						/* goto next rx descriptor */
 						cur = cur->next_desc_logical;
@@ -1786,8 +1786,8 @@ static void __set_rx_mode(struct net_device *dev)
 	if (dev->flags & IFF_PROMISC) {	/* Set promiscuous. */
 		memset(mc_filter, 0xff, sizeof(mc_filter));
 		rx_mode = CR_W_PROM | CR_W_AB | CR_W_AM;
-	} else if ((dev->mc_count > multicast_filter_limit)
-		   || (dev->flags & IFF_ALLMULTI)) {
+	} else if ((dev->mc_count > multicast_filter_limit) ||
+		   (dev->flags & IFF_ALLMULTI)) {
 		/* Too many to match, or accept all multicasts. */
 		memset(mc_filter, 0xff, sizeof(mc_filter));
 		rx_mode = CR_W_AB | CR_W_AM;
diff --git a/drivers/net/gianfar_sysfs.c b/drivers/net/gianfar_sysfs.c
index b31c9c8876e..b98c6c51229 100644
--- a/drivers/net/gianfar_sysfs.c
+++ b/drivers/net/gianfar_sysfs.c
@@ -62,8 +62,8 @@ static ssize_t gfar_set_bd_stash(struct device *dev,
 	/* Find out the new setting */
 	if (!strncmp("on", buf, count - 1) || !strncmp("1", buf, count - 1))
 		new_setting = 1;
-	else if (!strncmp("off", buf, count - 1)
-		 || !strncmp("0", buf, count - 1))
+	else if (!strncmp("off", buf, count - 1) ||
+		 !strncmp("0", buf, count - 1))
 		new_setting = 0;
 	else
 		return count;
diff --git a/drivers/net/hamachi.c b/drivers/net/hamachi.c
index 5d8c6333070..ea85075a89a 100644
--- a/drivers/net/hamachi.c
+++ b/drivers/net/hamachi.c
@@ -1566,8 +1566,8 @@ static int hamachi_rx(struct net_device *dev)
 #endif
 			/* Check if the packet is long enough to accept without copying
 			   to a minimally-sized skbuff. */
-			if (pkt_len < rx_copybreak
-				&& (skb = dev_alloc_skb(pkt_len + 2)) != NULL) {
+			if (pkt_len < rx_copybreak &&
+			    (skb = dev_alloc_skb(pkt_len + 2)) != NULL) {
 #ifdef RX_CHECKSUM
 				printk(KERN_ERR "%s: rx_copybreak non-zero "
 				  "not good with RX_CHECKSUM\n", dev->name);
@@ -1722,10 +1722,10 @@ static void hamachi_error(struct net_device *dev, int intr_status)
 		readl(ioaddr + 0x370);
 		readl(ioaddr + 0x3F0);
 	}
-	if ((intr_status & ~(LinkChange|StatsMax|NegotiationChange|IntrRxDone|IntrTxDone))
-		&& hamachi_debug)
+	if ((intr_status & ~(LinkChange|StatsMax|NegotiationChange|IntrRxDone|IntrTxDone)) &&
+	    hamachi_debug)
 		printk(KERN_ERR "%s: Something Wicked happened! %4.4x.\n",
-			   dev->name, intr_status);
+		       dev->name, intr_status);
 	/* Hmmmmm, it's not clear how to recover from PCI faults. */
 	if (intr_status & (IntrTxPCIErr | IntrTxPCIFault))
 		hmp->stats.tx_fifo_errors++;
diff --git a/drivers/net/hamradio/bpqether.c b/drivers/net/hamradio/bpqether.c
index 76abed9a70b..ae5f11c8fc1 100644
--- a/drivers/net/hamradio/bpqether.c
+++ b/drivers/net/hamradio/bpqether.c
@@ -167,10 +167,7 @@ static inline struct net_device *bpq_get_ax25_dev(struct net_device *dev)
 
 static inline int dev_is_ethdev(struct net_device *dev)
 {
-	return (
-			dev->type == ARPHRD_ETHER
-			&& strncmp(dev->name, "dummy", 5)
-	);
+	return (dev->type == ARPHRD_ETHER && strncmp(dev->name, "dummy", 5));
 }
 
 /* ------------------------------------------------------------------------ */
diff --git a/drivers/net/hamradio/dmascc.c b/drivers/net/hamradio/dmascc.c
index 950f3bb21f9..9ee76b42668 100644
--- a/drivers/net/hamradio/dmascc.c
+++ b/drivers/net/hamradio/dmascc.c
@@ -331,8 +331,8 @@ static int __init dmascc_init(void)
 			for (i = 0; i < MAX_NUM_DEVS && io[i]; i++) {
 				j = (io[i] -
 				     hw[h].io_region) / hw[h].io_delta;
-				if (j >= 0 && j < hw[h].num_devs
-				    && hw[h].io_region +
+				if (j >= 0 && j < hw[h].num_devs &&
+				    hw[h].io_region +
 				    j * hw[h].io_delta == io[i]) {
 					base[j] = io[i];
 				}
@@ -396,8 +396,8 @@ static int __init dmascc_init(void)
 					t_val =
 					    inb(t1[i]) + (inb(t1[i]) << 8);
 					/* Also check whether counter did wrap */
-					if (t_val == 0
-					    || t_val > TMR_0_HZ / HZ * 10)
+					if (t_val == 0 ||
+					    t_val > TMR_0_HZ / HZ * 10)
 						counting[i] = 0;
 					delay[i] = jiffies - start[i];
 				}
diff --git a/drivers/net/hp-plus.c b/drivers/net/hp-plus.c
index 0486cbe01ad..efdbcad63c6 100644
--- a/drivers/net/hp-plus.c
+++ b/drivers/net/hp-plus.c
@@ -187,8 +187,8 @@ static int __init hpp_probe1(struct net_device *dev, int ioaddr)
 		return -EBUSY;
 
 	/* Check for the HP+ signature, 50 48 0x 53. */
-	if (inw(ioaddr + HP_ID) != 0x4850
-		|| (inw(ioaddr + HP_PAGING) & 0xfff0) != 0x5300) {
+	if (inw(ioaddr + HP_ID) != 0x4850 ||
+	    (inw(ioaddr + HP_PAGING) & 0xfff0) != 0x5300) {
 		retval = -ENODEV;
 		goto out;
 	}
diff --git a/drivers/net/hp100.c b/drivers/net/hp100.c
index dd866513806..90f890e7c5e 100644
--- a/drivers/net/hp100.c
+++ b/drivers/net/hp100.c
@@ -993,8 +993,8 @@ static void hp100_mmuinit(struct net_device *dev)
 	if (lp->mode == 1) {	/* only needed for Busmaster */
 		int xmit_stop, recv_stop;
 
-		if ((lp->chip == HP100_CHIPID_RAINIER)
-		    || (lp->chip == HP100_CHIPID_SHASTA)) {
+		if ((lp->chip == HP100_CHIPID_RAINIER) ||
+		    (lp->chip == HP100_CHIPID_SHASTA)) {
 			int pdl_stop;
 
 			/*
diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c
index af117c626e7..fb5e019169e 100644
--- a/drivers/net/ibm_newemac/core.c
+++ b/drivers/net/ibm_newemac/core.c
@@ -1976,27 +1976,27 @@ static int emac_ethtool_set_settings(struct net_device *ndev,
 	if (cmd->autoneg == AUTONEG_DISABLE) {
 		switch (cmd->speed) {
 		case SPEED_10:
-			if (cmd->duplex == DUPLEX_HALF
-			    && !(f & SUPPORTED_10baseT_Half))
+			if (cmd->duplex == DUPLEX_HALF &&
+			    !(f & SUPPORTED_10baseT_Half))
 				return -EINVAL;
-			if (cmd->duplex == DUPLEX_FULL
-			    && !(f & SUPPORTED_10baseT_Full))
+			if (cmd->duplex == DUPLEX_FULL &&
+			    !(f & SUPPORTED_10baseT_Full))
 				return -EINVAL;
 			break;
 		case SPEED_100:
-			if (cmd->duplex == DUPLEX_HALF
-			    && !(f & SUPPORTED_100baseT_Half))
+			if (cmd->duplex == DUPLEX_HALF &&
+			    !(f & SUPPORTED_100baseT_Half))
 				return -EINVAL;
-			if (cmd->duplex == DUPLEX_FULL
-			    && !(f & SUPPORTED_100baseT_Full))
+			if (cmd->duplex == DUPLEX_FULL &&
+			    !(f & SUPPORTED_100baseT_Full))
 				return -EINVAL;
 			break;
 		case SPEED_1000:
-			if (cmd->duplex == DUPLEX_HALF
-			    && !(f & SUPPORTED_1000baseT_Half))
+			if (cmd->duplex == DUPLEX_HALF &&
+			    !(f & SUPPORTED_1000baseT_Half))
 				return -EINVAL;
-			if (cmd->duplex == DUPLEX_FULL
-			    && !(f & SUPPORTED_1000baseT_Full))
+			if (cmd->duplex == DUPLEX_FULL &&
+			    !(f & SUPPORTED_1000baseT_Full))
 				return -EINVAL;
 			break;
 		default:
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index e57b32d3fde..16349ba6873 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -4974,9 +4974,8 @@ static bool igb_clean_tx_irq(struct igb_q_vector *q_vector)
 		tx_ring->detect_tx_hung = false;
 		if (tx_ring->buffer_info[i].time_stamp &&
 		    time_after(jiffies, tx_ring->buffer_info[i].time_stamp +
-			       (adapter->tx_timeout_factor * HZ))
-		    && !(rd32(E1000_STATUS) &
-			 E1000_STATUS_TXOFF)) {
+			       (adapter->tx_timeout_factor * HZ)) &&
+		    !(rd32(E1000_STATUS) & E1000_STATUS_TXOFF)) {
 
 			/* detected Tx unit hang */
 			dev_err(&tx_ring->pdev->dev,
diff --git a/drivers/net/igbvf/netdev.c b/drivers/net/igbvf/netdev.c
index cf26f92e323..a127620dc65 100644
--- a/drivers/net/igbvf/netdev.c
+++ b/drivers/net/igbvf/netdev.c
@@ -827,8 +827,8 @@ static bool igbvf_clean_tx_irq(struct igbvf_ring *tx_ring)
 		adapter->detect_tx_hung = false;
 		if (tx_ring->buffer_info[i].time_stamp &&
 		    time_after(jiffies, tx_ring->buffer_info[i].time_stamp +
-		               (adapter->tx_timeout_factor * HZ))
-		    && !(er32(STATUS) & E1000_STATUS_TXOFF)) {
+		               (adapter->tx_timeout_factor * HZ)) &&
+		    !(er32(STATUS) & E1000_STATUS_TXOFF)) {
 
 			tx_desc = IGBVF_TX_DESC_ADV(*tx_ring, i);
 			/* detected Tx unit hang */
diff --git a/drivers/net/irda/irda-usb.c b/drivers/net/irda/irda-usb.c
index ae6eab3e5ee..e8e33bb9d87 100644
--- a/drivers/net/irda/irda-usb.c
+++ b/drivers/net/irda/irda-usb.c
@@ -1124,11 +1124,11 @@ static int stir421x_patch_device(struct irda_usb_cb *self)
                  * The actual image starts after the "STMP" keyword
                  * so forward to the firmware header tag
                  */
-                for (i = 0; (fw->data[i] != STIR421X_PATCH_END_OF_HDR_TAG)
-			     && (i < fw->size); i++) ;
+                for (i = 0; (fw->data[i] != STIR421X_PATCH_END_OF_HDR_TAG) &&
+			     (i < fw->size); i++) ;
                 /* here we check for the out of buffer case */
-                if ((STIR421X_PATCH_END_OF_HDR_TAG == fw->data[i])
-                    && (i < STIR421X_PATCH_CODE_OFFSET)) {
+                if ((STIR421X_PATCH_END_OF_HDR_TAG == fw->data[i]) &&
+                    (i < STIR421X_PATCH_CODE_OFFSET)) {
                         if (!memcmp(fw->data + i + 1, STIR421X_PATCH_STMP_TAG,
                                     sizeof(STIR421X_PATCH_STMP_TAG) - 1)) {
 
diff --git a/drivers/net/irda/stir4200.c b/drivers/net/irda/stir4200.c
index 528767dec9d..e5698fa30a4 100644
--- a/drivers/net/irda/stir4200.c
+++ b/drivers/net/irda/stir4200.c
@@ -612,16 +612,16 @@ static int fifo_txwait(struct stir_cb *stir, int space)
 		pr_debug("fifo status 0x%lx count %lu\n", status, count);
 
 		/* is fifo receiving already, or empty */
-		if (!(status & FIFOCTL_DIR)
-		    || (status & FIFOCTL_EMPTY))
+		if (!(status & FIFOCTL_DIR) ||
+		    (status & FIFOCTL_EMPTY))
 			return 0;
 
 		if (signal_pending(current))
 			return -EINTR;
 
 		/* shutting down? */
-		if (!netif_running(stir->netdev)
-		    || !netif_device_present(stir->netdev))
+		if (!netif_running(stir->netdev) ||
+		    !netif_device_present(stir->netdev))
 			return -ESHUTDOWN;
 
 		/* only waiting for some space */
@@ -776,8 +776,8 @@ static int stir_transmit_thread(void *arg)
 		}
 
 		/* nothing to send? start receiving */
-		if (!stir->receiving 
-		    && irda_device_txqueue_empty(dev)) {
+		if (!stir->receiving &&
+		    irda_device_txqueue_empty(dev)) {
 			/* Wait otherwise chip gets confused. */
 			if (fifo_txwait(stir, -1))
 				break;
diff --git a/drivers/net/irda/via-ircc.c b/drivers/net/irda/via-ircc.c
index a5ca71cec02..fddb4efd545 100644
--- a/drivers/net/irda/via-ircc.c
+++ b/drivers/net/irda/via-ircc.c
@@ -1185,8 +1185,8 @@ F01_E */
 		 * if frame size,data ptr,or skb ptr are wrong ,the get next
 		 * entry.
 		 */
-		if ((skb == NULL) || (skb->data == NULL)
-		    || (self->rx_buff.data == NULL) || (len < 6)) {
+		if ((skb == NULL) || (skb->data == NULL) ||
+		    (self->rx_buff.data == NULL) || (len < 6)) {
 			self->netdev->stats.rx_dropped++;
 			return TRUE;
 		}
@@ -1284,8 +1284,8 @@ static int RxTimerHandler(struct via_ircc_cb *self, int iobase)
 		self->RetryCount++;
 
 	if ((self->RetryCount >= 1) ||
-	    ((st_fifo->pending_bytes + 2048) > self->rx_buff.truesize)
-	    || (st_fifo->len >= (MAX_RX_WINDOW))) {
+	    ((st_fifo->pending_bytes + 2048) > self->rx_buff.truesize) ||
+	    (st_fifo->len >= (MAX_RX_WINDOW))) {
 		while (st_fifo->len > 0) {	//upload frame
 			// Put this entry back in fifo 
 			if (st_fifo->head > MAX_RX_WINDOW)
@@ -1300,8 +1300,8 @@ static int RxTimerHandler(struct via_ircc_cb *self, int iobase)
 			 * if frame size, data ptr, or skb ptr are wrong,
 			 * then get next entry.
 			 */
-			if ((skb == NULL) || (skb->data == NULL)
-			    || (self->rx_buff.data == NULL) || (len < 6)) {
+			if ((skb == NULL) || (skb->data == NULL) ||
+			    (self->rx_buff.data == NULL) || (len < 6)) {
 				self->netdev->stats.rx_dropped++;
 				continue;
 			}
@@ -1332,8 +1332,8 @@ static int RxTimerHandler(struct via_ircc_cb *self, int iobase)
 		 * if frame is receive complete at this routine ,then upload
 		 * frame.
 		 */
-		if ((GetRXStatus(iobase) & 0x10)
-		    && (RxCurCount(iobase, self) != self->RxLastCount)) {
+		if ((GetRXStatus(iobase) & 0x10) &&
+		    (RxCurCount(iobase, self) != self->RxLastCount)) {
 			upload_rxdata(self, iobase);
 			if (irda_device_txqueue_empty(self->netdev))
 				via_ircc_dma_receive(self);
diff --git a/drivers/net/irda/vlsi_ir.c b/drivers/net/irda/vlsi_ir.c
index 7cfb8b6593c..bd3c6b5ee76 100644
--- a/drivers/net/irda/vlsi_ir.c
+++ b/drivers/net/irda/vlsi_ir.c
@@ -431,8 +431,8 @@ static struct vlsi_ring *vlsi_alloc_ring(struct pci_dev *pdev, struct ring_descr
 		memset(rd, 0, sizeof(*rd));
 		rd->hw = hwmap + i;
 		rd->buf = kmalloc(len, GFP_KERNEL|GFP_DMA);
-		if (rd->buf == NULL
-		    ||  !(busaddr = pci_map_single(pdev, rd->buf, len, dir))) {
+		if (rd->buf == NULL ||
+		    !(busaddr = pci_map_single(pdev, rd->buf, len, dir))) {
 			if (rd->buf) {
 				IRDA_ERROR("%s: failed to create PCI-MAP for %p",
 					   __func__, rd->buf);
@@ -955,8 +955,8 @@ static netdev_tx_t vlsi_hard_start_xmit(struct sk_buff *skb,
 		}
 		for(;;) {
 			do_gettimeofday(&now);
-			if (now.tv_sec > ready.tv_sec
-			    ||  (now.tv_sec==ready.tv_sec && now.tv_usec>=ready.tv_usec))
+			if (now.tv_sec > ready.tv_sec ||
+			    (now.tv_sec==ready.tv_sec && now.tv_usec>=ready.tv_usec))
 			    	break;
 			udelay(100);
 			/* must not sleep here - called under netif_tx_lock! */
@@ -1594,8 +1594,8 @@ static int vlsi_irda_init(struct net_device *ndev)
 	 * see include file for details why we need these 2 masks, in this order!
 	 */
 
-	if (pci_set_dma_mask(pdev,DMA_MASK_USED_BY_HW)
-	    || pci_set_dma_mask(pdev,DMA_MASK_MSTRPAGE)) {
+	if (pci_set_dma_mask(pdev,DMA_MASK_USED_BY_HW) ||
+	    pci_set_dma_mask(pdev,DMA_MASK_MSTRPAGE)) {
 		IRDA_ERROR("%s: aborting due to PCI BM-DMA address limitations\n", __func__);
 		return -1;
 	}
@@ -1641,8 +1641,8 @@ vlsi_irda_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	IRDA_MESSAGE("%s: IrDA PCI controller %s detected\n",
 		     drivername, pci_name(pdev));
 
-	if ( !pci_resource_start(pdev,0)
-	     || !(pci_resource_flags(pdev,0) & IORESOURCE_IO) ) {
+	if ( !pci_resource_start(pdev,0) ||
+	     !(pci_resource_flags(pdev,0) & IORESOURCE_IO) ) {
 		IRDA_ERROR("%s: bar 0 invalid", __func__);
 		goto out_disable;
 	}
diff --git a/drivers/net/isa-skeleton.c b/drivers/net/isa-skeleton.c
index 0e71e2a9316..04d0502726c 100644
--- a/drivers/net/isa-skeleton.c
+++ b/drivers/net/isa-skeleton.c
@@ -214,9 +214,9 @@ static int __init netcard_probe1(struct net_device *dev, int ioaddr)
 	 * contains the manufacturer's unique code. That might be a good probe
 	 * method. Ideally you would add additional checks.
 	 */
-	if (inb(ioaddr + 0) != SA_ADDR0
-		||	 inb(ioaddr + 1) != SA_ADDR1
-		||	 inb(ioaddr + 2) != SA_ADDR2)
+	if (inb(ioaddr + 0) != SA_ADDR0 ||
+	    inb(ioaddr + 1) != SA_ADDR1 ||
+	    inb(ioaddr + 2) != SA_ADDR2)
 		goto out;
 
 	if (net_debug  &&  version_printed++ == 0)
diff --git a/drivers/net/iseries_veth.c b/drivers/net/iseries_veth.c
index aa7286bc436..49997194bdd 100644
--- a/drivers/net/iseries_veth.c
+++ b/drivers/net/iseries_veth.c
@@ -604,10 +604,10 @@ static int veth_process_caps(struct veth_lpar_connection *cnx)
 	/* Convert timer to jiffies */
 	cnx->ack_timeout = remote_caps->ack_timeout * HZ / 1000000;
 
-	if ( (remote_caps->num_buffers == 0)
-	     || (remote_caps->ack_threshold > VETH_MAX_ACKS_PER_MSG)
-	     || (remote_caps->ack_threshold == 0)
-	     || (cnx->ack_timeout == 0) ) {
+	if ( (remote_caps->num_buffers == 0) ||
+	     (remote_caps->ack_threshold > VETH_MAX_ACKS_PER_MSG) ||
+	     (remote_caps->ack_threshold == 0) ||
+	     (cnx->ack_timeout == 0) ) {
 		veth_error("Received incompatible capabilities from LPAR %d.\n",
 				cnx->remote_lp);
 		return HvLpEvent_Rc_InvalidSubtypeData;
@@ -714,8 +714,8 @@ static void veth_statemachine(struct work_struct *work)
 		cnx->state |= VETH_STATE_OPEN;
 	}
 
-	if ( (cnx->state & VETH_STATE_OPEN)
-	     && !(cnx->state & VETH_STATE_SENTMON) ) {
+	if ( (cnx->state & VETH_STATE_OPEN) &&
+	     !(cnx->state & VETH_STATE_SENTMON) ) {
 		rc = veth_signalevent(cnx, VETH_EVENT_MONITOR,
 				      HvLpEvent_AckInd_DoAck,
 				      HvLpEvent_AckType_DeferredAck,
@@ -724,8 +724,8 @@ static void veth_statemachine(struct work_struct *work)
 		if (rc == HvLpEvent_Rc_Good) {
 			cnx->state |= VETH_STATE_SENTMON;
 		} else {
-			if ( (rc != HvLpEvent_Rc_PartitionDead)
-			     && (rc != HvLpEvent_Rc_PathClosed) )
+			if ( (rc != HvLpEvent_Rc_PartitionDead) &&
+			     (rc != HvLpEvent_Rc_PathClosed) )
 				veth_error("Error sending monitor to LPAR %d, "
 						"rc = %d\n", rlp, rc);
 
@@ -735,8 +735,8 @@ static void veth_statemachine(struct work_struct *work)
 		}
 	}
 
-	if ( (cnx->state & VETH_STATE_OPEN)
-	     && !(cnx->state & VETH_STATE_SENTCAPS)) {
+	if ( (cnx->state & VETH_STATE_OPEN) &&
+	     !(cnx->state & VETH_STATE_SENTCAPS)) {
 		u64 *rawcap = (u64 *)&cnx->local_caps;
 
 		rc = veth_signalevent(cnx, VETH_EVENT_CAP,
@@ -748,8 +748,8 @@ static void veth_statemachine(struct work_struct *work)
 		if (rc == HvLpEvent_Rc_Good) {
 			cnx->state |= VETH_STATE_SENTCAPS;
 		} else {
-			if ( (rc != HvLpEvent_Rc_PartitionDead)
-			     && (rc != HvLpEvent_Rc_PathClosed) )
+			if ( (rc != HvLpEvent_Rc_PartitionDead) &&
+			     (rc != HvLpEvent_Rc_PathClosed) )
 				veth_error("Error sending caps to LPAR %d, "
 						"rc = %d\n", rlp, rc);
 
@@ -759,8 +759,8 @@ static void veth_statemachine(struct work_struct *work)
 		}
 	}
 
-	if ((cnx->state & VETH_STATE_GOTCAPS)
-	    && !(cnx->state & VETH_STATE_SENTCAPACK)) {
+	if ((cnx->state & VETH_STATE_GOTCAPS) &&
+	    !(cnx->state & VETH_STATE_SENTCAPACK)) {
 		struct veth_cap_data *remote_caps = &cnx->remote_caps;
 
 		memcpy(remote_caps, &cnx->cap_event.u.caps_data,
@@ -783,9 +783,9 @@ static void veth_statemachine(struct work_struct *work)
 			goto cant_cope;
 	}
 
-	if ((cnx->state & VETH_STATE_GOTCAPACK)
-	    && (cnx->state & VETH_STATE_GOTCAPS)
-	    && !(cnx->state & VETH_STATE_READY)) {
+	if ((cnx->state & VETH_STATE_GOTCAPACK) &&
+	    (cnx->state & VETH_STATE_GOTCAPS) &&
+	    !(cnx->state & VETH_STATE_READY)) {
 		if (cnx->cap_ack_event.base_event.xRc == HvLpEvent_Rc_Good) {
 			/* Start the ACK timer */
 			cnx->ack_timer.expires = jiffies + cnx->ack_timeout;
@@ -818,8 +818,8 @@ static int veth_init_connection(u8 rlp)
 	struct veth_msg *msgs;
 	int i;
 
-	if ( (rlp == this_lp)
-	     || ! HvLpConfig_doLpsCommunicateOnVirtualLan(this_lp, rlp) )
+	if ( (rlp == this_lp) ||
+	     ! HvLpConfig_doLpsCommunicateOnVirtualLan(this_lp, rlp) )
 		return 0;
 
 	cnx = kzalloc(sizeof(*cnx), GFP_KERNEL);
@@ -1538,8 +1538,8 @@ static void veth_receive(struct veth_lpar_connection *cnx,
 	cnx->pending_acks[cnx->num_pending_acks++] =
 		event->base_event.xCorrelationToken;
 
-	if ( (cnx->num_pending_acks >= cnx->remote_caps.ack_threshold)
-	     || (cnx->num_pending_acks >= VETH_MAX_ACKS_PER_MSG) )
+	if ( (cnx->num_pending_acks >= cnx->remote_caps.ack_threshold) ||
+	     (cnx->num_pending_acks >= VETH_MAX_ACKS_PER_MSG) )
 		veth_flush_acks(cnx);
 
 	spin_unlock_irqrestore(&cnx->lock, flags);
diff --git a/drivers/net/jazzsonic.c b/drivers/net/jazzsonic.c
index 35d5bed450d..f47d4d663b1 100644
--- a/drivers/net/jazzsonic.c
+++ b/drivers/net/jazzsonic.c
@@ -130,8 +130,8 @@ static int __devinit sonic_probe1(struct net_device *dev)
 		printk("SONIC Silicon Revision = 0x%04x\n",silicon_revision);
 
 	i = 0;
-	while (known_revisions[i] != 0xffff
-	       && known_revisions[i] != silicon_revision)
+	while (known_revisions[i] != 0xffff &&
+	       known_revisions[i] != silicon_revision)
 		i++;
 
 	if (known_revisions[i] == 0xffff) {
diff --git a/drivers/net/jme.c b/drivers/net/jme.c
index 6c1b92fa0b0..792b88fc357 100644
--- a/drivers/net/jme.c
+++ b/drivers/net/jme.c
@@ -1050,8 +1050,8 @@ jme_dynamic_pcc(struct jme_adapter *jme)
 
 	if ((NET_STAT(jme).rx_bytes - dpi->last_bytes) > PCC_P3_THRESHOLD)
 		jme_attempt_pcc(dpi, PCC_P3);
-	else if ((NET_STAT(jme).rx_packets - dpi->last_pkts) > PCC_P2_THRESHOLD
-	|| dpi->intr_cnt > PCC_INTR_THRESHOLD)
+	else if ((NET_STAT(jme).rx_packets - dpi->last_pkts) > PCC_P2_THRESHOLD ||
+		 dpi->intr_cnt > PCC_INTR_THRESHOLD)
 		jme_attempt_pcc(dpi, PCC_P2);
 	else
 		jme_attempt_pcc(dpi, PCC_P1);
@@ -2199,8 +2199,8 @@ jme_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ecmd)
 	if (netif_running(netdev))
 		return -EBUSY;
 
-	if (ecmd->use_adaptive_rx_coalesce
-	&& test_bit(JME_FLAG_POLL, &jme->flags)) {
+	if (ecmd->use_adaptive_rx_coalesce &&
+	    test_bit(JME_FLAG_POLL, &jme->flags)) {
 		clear_bit(JME_FLAG_POLL, &jme->flags);
 		jme->jme_rx = netif_rx;
 		jme->jme_vlan_rx = vlan_hwaccel_rx;
@@ -2209,8 +2209,8 @@ jme_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ecmd)
 		dpi->cnt		= 0;
 		jme_set_rx_pcc(jme, PCC_P1);
 		jme_interrupt_mode(jme);
-	} else if (!(ecmd->use_adaptive_rx_coalesce)
-	&& !(test_bit(JME_FLAG_POLL, &jme->flags))) {
+	} else if (!(ecmd->use_adaptive_rx_coalesce) &&
+		   !(test_bit(JME_FLAG_POLL, &jme->flags))) {
 		set_bit(JME_FLAG_POLL, &jme->flags);
 		jme->jme_rx = netif_receive_skb;
 		jme->jme_vlan_rx = vlan_hwaccel_receive_skb;
diff --git a/drivers/net/lance.c b/drivers/net/lance.c
index 7b2c42992c3..8d7d3d4625f 100644
--- a/drivers/net/lance.c
+++ b/drivers/net/lance.c
@@ -493,14 +493,14 @@ static int __init lance_probe1(struct net_device *dev, int ioaddr, int irq, int
 		static const short ioaddr_table[] = { 0x300, 0x320, 0x340, 0x360};
 		int hp_port = (readl(bios + 1) & 1)  ? 0x499 : 0x99;
 		/* We can have boards other than the built-in!  Verify this is on-board. */
-		if ((inb(hp_port) & 0xc0) == 0x80
-			&& ioaddr_table[inb(hp_port) & 3] == ioaddr)
+		if ((inb(hp_port) & 0xc0) == 0x80 &&
+		    ioaddr_table[inb(hp_port) & 3] == ioaddr)
 			hp_builtin = hp_port;
 	}
 	iounmap(bios);
 	/* We also recognize the HP Vectra on-board here, but check below. */
-	hpJ2405A = (inb(ioaddr) == 0x08 && inb(ioaddr+1) == 0x00
-				&& inb(ioaddr+2) == 0x09);
+	hpJ2405A = (inb(ioaddr) == 0x08 && inb(ioaddr+1) == 0x00 &&
+		    inb(ioaddr+2) == 0x09);
 
 	/* Reset the LANCE.	 */
 	reset_val = inw(ioaddr+LANCE_RESET); /* Reset the LANCE */
@@ -1035,8 +1035,8 @@ static irqreturn_t lance_interrupt(int irq, void *dev_id)
 	spin_lock (&lp->devlock);
 
 	outw(0x00, dev->base_addr + LANCE_ADDR);
-	while ((csr0 = inw(dev->base_addr + LANCE_DATA)) & 0x8600
-		   && --boguscnt >= 0) {
+	while ((csr0 = inw(dev->base_addr + LANCE_DATA)) & 0x8600 &&
+	       --boguscnt >= 0) {
 		/* Acknowledge all of the current interrupt sources ASAP. */
 		outw(csr0 & ~0x004f, dev->base_addr + LANCE_DATA);
 
diff --git a/drivers/net/lib8390.c b/drivers/net/lib8390.c
index 256119882b1..57f25848fe8 100644
--- a/drivers/net/lib8390.c
+++ b/drivers/net/lib8390.c
@@ -464,8 +464,8 @@ static irqreturn_t __ei_interrupt(int irq, void *dev_id)
 			   ei_inb_p(e8390_base + EN0_ISR));
 
 	/* !!Assumption!! -- we stay in page 0.	 Don't break this. */
-	while ((interrupts = ei_inb_p(e8390_base + EN0_ISR)) != 0
-		   && ++nr_serviced < MAX_SERVICE)
+	while ((interrupts = ei_inb_p(e8390_base + EN0_ISR)) != 0 &&
+	       ++nr_serviced < MAX_SERVICE)
 	{
 		if (!netif_running(dev)) {
 			printk(KERN_WARNING "%s: interrupt from stopped card\n", dev->name);
@@ -721,10 +721,10 @@ static void ei_receive(struct net_device *dev)
 		/* Check for bogosity warned by 3c503 book: the status byte is never
 		   written.  This happened a lot during testing! This code should be
 		   cleaned up someday. */
-		if (rx_frame.next != next_frame
-			&& rx_frame.next != next_frame + 1
-			&& rx_frame.next != next_frame - num_rx_pages
-			&& rx_frame.next != next_frame + 1 - num_rx_pages) {
+		if (rx_frame.next != next_frame &&
+		    rx_frame.next != next_frame + 1 &&
+		    rx_frame.next != next_frame - num_rx_pages &&
+		    rx_frame.next != next_frame + 1 - num_rx_pages) {
 			ei_local->current_page = rxing_page;
 			ei_outb(ei_local->current_page-1, e8390_base+EN0_BOUNDARY);
 			dev->stats.rx_errors++;
diff --git a/drivers/net/ll_temac_main.c b/drivers/net/ll_temac_main.c
index f2a197fd47a..336e7c7a927 100644
--- a/drivers/net/ll_temac_main.c
+++ b/drivers/net/ll_temac_main.c
@@ -231,8 +231,8 @@ static void temac_set_multicast_list(struct net_device *ndev)
 	int i;
 
 	mutex_lock(&lp->indirect_mutex);
-	if (ndev->flags & (IFF_ALLMULTI | IFF_PROMISC)
-			|| ndev->mc_count > MULTICAST_CAM_TABLE_NUM) {
+	if (ndev->flags & (IFF_ALLMULTI | IFF_PROMISC) ||
+	    ndev->mc_count > MULTICAST_CAM_TABLE_NUM) {
 		/*
 		 *	We must make the kernel realise we had to move
 		 *	into promisc mode or we start all out war on
diff --git a/drivers/net/mac89x0.c b/drivers/net/mac89x0.c
index c244ec34fc4..23b633e2ac4 100644
--- a/drivers/net/mac89x0.c
+++ b/drivers/net/mac89x0.c
@@ -222,8 +222,8 @@ struct net_device * __init mac89x0_probe(int unit)
 		int card_present;
 
 		local_irq_save(flags);
-		card_present = hwreg_present((void*) ioaddr+4)
-		  && hwreg_present((void*) ioaddr + DATA_PORT);
+		card_present = (hwreg_present((void*) ioaddr+4) &&
+				hwreg_present((void*) ioaddr + DATA_PORT));
 		local_irq_restore(flags);
 
 		if (!card_present)
diff --git a/drivers/net/mace.c b/drivers/net/mace.c
index 7d7577b598e..d9fbad38638 100644
--- a/drivers/net/mace.c
+++ b/drivers/net/mace.c
@@ -897,8 +897,8 @@ static irqreturn_t mace_rxdma_intr(int irq, void *dev_id)
 	    if (next >= N_RX_RING)
 		next = 0;
 	    np = mp->rx_cmds + next;
-	    if (next != mp->rx_fill
-		&& (ld_le16(&np->xfer_status) & ACTIVE) != 0) {
+	    if (next != mp->rx_fill &&
+		(ld_le16(&np->xfer_status) & ACTIVE) != 0) {
 		printk(KERN_DEBUG "mace: lost a status word\n");
 		++mace_lost_status;
 	    } else
diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index 85e1b6a3ac1..d38921906bb 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -410,8 +410,8 @@ myri10ge_send_cmd(struct myri10ge_priv *mgp, u32 cmd,
 		 * and try to get the completion quickly
 		 * (1ms will be enough for those commands) */
 		for (sleep_total = 0;
-		     sleep_total < 1000
-		     && response->result == htonl(MYRI10GE_NO_RESPONSE_RESULT);
+		     sleep_total < 1000 &&
+		     response->result == htonl(MYRI10GE_NO_RESPONSE_RESULT);
 		     sleep_total += 10) {
 			udelay(10);
 			mb();
@@ -419,8 +419,8 @@ myri10ge_send_cmd(struct myri10ge_priv *mgp, u32 cmd,
 	} else {
 		/* use msleep for most command */
 		for (sleep_total = 0;
-		     sleep_total < 15
-		     && response->result == htonl(MYRI10GE_NO_RESPONSE_RESULT);
+		     sleep_total < 15 &&
+		     response->result == htonl(MYRI10GE_NO_RESPONSE_RESULT);
 		     sleep_total++)
 			msleep(1);
 	}
@@ -557,8 +557,8 @@ myri10ge_validate_firmware(struct myri10ge_priv *mgp,
 	sscanf(mgp->fw_version, "%d.%d.%d", &mgp->fw_ver_major,
 	       &mgp->fw_ver_minor, &mgp->fw_ver_tiny);
 
-	if (!(mgp->fw_ver_major == MXGEFW_VERSION_MAJOR
-	      && mgp->fw_ver_minor == MXGEFW_VERSION_MINOR)) {
+	if (!(mgp->fw_ver_major == MXGEFW_VERSION_MAJOR &&
+	      mgp->fw_ver_minor == MXGEFW_VERSION_MINOR)) {
 		dev_err(dev, "Found firmware version %s\n", mgp->fw_version);
 		dev_err(dev, "Driver needs %d.%d\n", MXGEFW_VERSION_MAJOR,
 			MXGEFW_VERSION_MINOR);
@@ -1412,8 +1412,8 @@ myri10ge_tx_done(struct myri10ge_slice_state *ss, int mcp_index)
 	}
 
 	/* start the queue if we've stopped it */
-	if (netif_tx_queue_stopped(dev_queue)
-	    && tx->req - tx->done < (tx->mask >> 1)) {
+	if (netif_tx_queue_stopped(dev_queue) &&
+	    tx->req - tx->done < (tx->mask >> 1)) {
 		tx->wake_queue++;
 		netif_tx_wake_queue(dev_queue);
 	}
diff --git a/drivers/net/natsemi.c b/drivers/net/natsemi.c
index 9a8d3ab4709..797fe164ce2 100644
--- a/drivers/net/natsemi.c
+++ b/drivers/net/natsemi.c
@@ -683,8 +683,8 @@ static ssize_t natsemi_set_dspcfg_workaround(struct device *dev,
         /* Find out the new setting */
         if (!strncmp("on", buf, count - 1) || !strncmp("1", buf, count - 1))
                 new_setting = 1;
-        else if (!strncmp("off", buf, count - 1)
-                 || !strncmp("0", buf, count - 1))
+        else if (!strncmp("off", buf, count - 1) ||
+                 !strncmp("0", buf, count - 1))
 		new_setting = 0;
 	else
                  return count;
@@ -757,8 +757,8 @@ static void __devinit natsemi_init_media (struct net_device *dev)
 	np->autoneg    = (tmp & BMCR_ANENABLE)? AUTONEG_ENABLE: AUTONEG_DISABLE;
 	np->advertising= mdio_read(dev, MII_ADVERTISE);
 
-	if ((np->advertising & ADVERTISE_ALL) != ADVERTISE_ALL
-	 && netif_msg_probe(np)) {
+	if ((np->advertising & ADVERTISE_ALL) != ADVERTISE_ALL &&
+	    netif_msg_probe(np)) {
 		printk(KERN_INFO "natsemi %s: Transceiver default autonegotiation %s "
 			"10%s %s duplex.\n",
 			pci_name(np->pci_dev),
@@ -1153,8 +1153,8 @@ static void init_phy_fixup(struct net_device *dev)
 	tmp = mdio_read(dev, MII_BMCR);
 	if (np->autoneg == AUTONEG_ENABLE) {
 		/* renegotiate if something changed */
-		if ((tmp & BMCR_ANENABLE) == 0
-		 || np->advertising != mdio_read(dev, MII_ADVERTISE))
+		if ((tmp & BMCR_ANENABLE) == 0 ||
+		    np->advertising != mdio_read(dev, MII_ADVERTISE))
 		{
 			/* turn on autonegotiation and force negotiation */
 			tmp |= (BMCR_ANENABLE | BMCR_ANRESTART);
@@ -2164,8 +2164,8 @@ static void netdev_tx_done(struct net_device *dev)
 		dev_kfree_skb_irq(np->tx_skbuff[entry]);
 		np->tx_skbuff[entry] = NULL;
 	}
-	if (netif_queue_stopped(dev)
-		&& np->cur_tx - np->dirty_tx < TX_QUEUE_LEN - 4) {
+	if (netif_queue_stopped(dev) &&
+	    np->cur_tx - np->dirty_tx < TX_QUEUE_LEN - 4) {
 		/* The ring is no longer full, wake queue. */
 		netif_wake_queue(dev);
 	}
@@ -2343,8 +2343,8 @@ static void netdev_rx(struct net_device *dev, int *work_done, int work_to_do)
 			/* Omit CRC size. */
 			/* Check if the packet is long enough to accept
 			 * without copying to a minimally-sized skbuff. */
-			if (pkt_len < rx_copybreak
-			    && (skb = dev_alloc_skb(pkt_len + RX_OFFSET)) != NULL) {
+			if (pkt_len < rx_copybreak &&
+			    (skb = dev_alloc_skb(pkt_len + RX_OFFSET)) != NULL) {
 				/* 16 byte align the IP header */
 				skb_reserve(skb, RX_OFFSET);
 				pci_dma_sync_single_for_cpu(np->pci_dev,
@@ -2390,8 +2390,8 @@ static void netdev_error(struct net_device *dev, int intr_status)
 	spin_lock(&np->lock);
 	if (intr_status & LinkChange) {
 		u16 lpa = mdio_read(dev, MII_LPA);
-		if (mdio_read(dev, MII_BMCR) & BMCR_ANENABLE
-		 && netif_msg_link(np)) {
+		if (mdio_read(dev, MII_BMCR) & BMCR_ANENABLE &&
+		    netif_msg_link(np)) {
 			printk(KERN_INFO
 				"%s: Autonegotiation advertising"
 				" %#04x  partner %#04x.\n", dev->name,
@@ -2488,8 +2488,8 @@ static void __set_rx_mode(struct net_device *dev)
 	if (dev->flags & IFF_PROMISC) { /* Set promiscuous. */
 		rx_mode = RxFilterEnable | AcceptBroadcast
 			| AcceptAllMulticast | AcceptAllPhys | AcceptMyPhys;
-	} else if ((dev->mc_count > multicast_filter_limit)
-	  || (dev->flags & IFF_ALLMULTI)) {
+	} else if ((dev->mc_count > multicast_filter_limit) ||
+		   (dev->flags & IFF_ALLMULTI)) {
 		rx_mode = RxFilterEnable | AcceptBroadcast
 			| AcceptAllMulticast | AcceptMyPhys;
 	} else {
diff --git a/drivers/net/netxen/netxen_nic_ethtool.c b/drivers/net/netxen/netxen_nic_ethtool.c
index c86095eb5d9..ddd704ae018 100644
--- a/drivers/net/netxen/netxen_nic_ethtool.c
+++ b/drivers/net/netxen/netxen_nic_ethtool.c
@@ -257,18 +257,18 @@ netxen_nic_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
 	/* read which mode */
 	if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
 		/* autonegotiation */
-		if (adapter->phy_write
-		    && adapter->phy_write(adapter,
-					  NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG,
-					  ecmd->autoneg) != 0)
+		if (adapter->phy_write &&
+		    adapter->phy_write(adapter,
+				       NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG,
+				       ecmd->autoneg) != 0)
 			return -EIO;
 		else
 			adapter->link_autoneg = ecmd->autoneg;
 
-		if (adapter->phy_read
-		    && adapter->phy_read(adapter,
-					 NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
-					 &status) != 0)
+		if (adapter->phy_read &&
+		    adapter->phy_read(adapter,
+				      NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
+				      &status) != 0)
 			return -EIO;
 
 		/* speed */
@@ -288,10 +288,10 @@ netxen_nic_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
 			netxen_clear_phy_duplex(status);
 		if (ecmd->duplex == DUPLEX_FULL)
 			netxen_set_phy_duplex(status);
-		if (adapter->phy_write
-		    && adapter->phy_write(adapter,
-					  NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
-					  *((int *)&status)) != 0)
+		if (adapter->phy_write &&
+		    adapter->phy_write(adapter,
+				       NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
+				       *((int *)&status)) != 0)
 			return -EIO;
 		else {
 			adapter->link_speed = ecmd->speed;
@@ -442,10 +442,10 @@ static u32 netxen_nic_test_link(struct net_device *dev)
 
 	/* read which mode */
 	if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
-		if (adapter->phy_read
-		    && adapter->phy_read(adapter,
-					 NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
-					 &status) != 0)
+		if (adapter->phy_read &&
+		    adapter->phy_read(adapter,
+				      NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
+				      &status) != 0)
 			return -EIO;
 		else {
 			val = netxen_get_phy_link(status);
diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index 89bd5194e37..2e364fee3cb 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -1936,10 +1936,10 @@ void netxen_nic_set_link_parameters(struct netxen_adapter *adapter)
 			return;
 		}
 
-		if (adapter->phy_read
-		    && adapter->phy_read(adapter,
-			     NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
-			     &status) == 0) {
+		if (adapter->phy_read &&
+		    adapter->phy_read(adapter,
+				      NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
+				      &status) == 0) {
 			if (netxen_get_phy_link(status)) {
 				switch (netxen_get_phy_speed(status)) {
 				case 0:
@@ -1966,10 +1966,10 @@ void netxen_nic_set_link_parameters(struct netxen_adapter *adapter)
 					adapter->link_duplex = -1;
 					break;
 				}
-				if (adapter->phy_read
-				    && adapter->phy_read(adapter,
-					     NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG,
-					     &autoneg) != 0)
+				if (adapter->phy_read &&
+				    adapter->phy_read(adapter,
+						      NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG,
+						      &autoneg) != 0)
 					adapter->link_autoneg = autoneg;
 			} else
 				goto link_down;
diff --git a/drivers/net/ni52.c b/drivers/net/ni52.c
index 305f4ba3699..b42f5e522f9 100644
--- a/drivers/net/ni52.c
+++ b/drivers/net/ni52.c
@@ -477,8 +477,8 @@ static int __init ni52_probe1(struct net_device *dev, int ioaddr)
 	for (i = 0; i < ETH_ALEN; i++)
 		dev->dev_addr[i] = inb(dev->base_addr+i);
 
-	if (dev->dev_addr[0] != NI52_ADDR0 || dev->dev_addr[1] != NI52_ADDR1
-		 || dev->dev_addr[2] != NI52_ADDR2) {
+	if (dev->dev_addr[0] != NI52_ADDR0 || dev->dev_addr[1] != NI52_ADDR1 ||
+	    dev->dev_addr[2] != NI52_ADDR2) {
 		retval = -ENODEV;
 		goto out;
 	}
diff --git a/drivers/net/ns83820.c b/drivers/net/ns83820.c
index 57fd483dbb1..1f6327d4153 100644
--- a/drivers/net/ns83820.c
+++ b/drivers/net/ns83820.c
@@ -648,8 +648,8 @@ static void phy_intr(struct net_device *ndev)
 		dprintk("phy_intr: tbisr=%08x, tanar=%08x, tanlpar=%08x\n",
 			tbisr, tanar, tanlpar);
 
-		if ( (fullduplex = (tanlpar & TANAR_FULL_DUP)
-		      && (tanar & TANAR_FULL_DUP)) ) {
+		if ( (fullduplex = (tanlpar & TANAR_FULL_DUP) &&
+		      (tanar & TANAR_FULL_DUP)) ) {
 
 			/* both of us are full duplex */
 			writel(readl(dev->base + TXCFG)
@@ -661,12 +661,12 @@ static void phy_intr(struct net_device *ndev)
 			writel(readl(dev->base + GPIOR) | GPIOR_GP1_OUT,
 			       dev->base + GPIOR);
 
-		} else if(((tanlpar & TANAR_HALF_DUP)
-			   && (tanar & TANAR_HALF_DUP))
-			|| ((tanlpar & TANAR_FULL_DUP)
-			    && (tanar & TANAR_HALF_DUP))
-			|| ((tanlpar & TANAR_HALF_DUP)
-			    && (tanar & TANAR_FULL_DUP))) {
+		} else if (((tanlpar & TANAR_HALF_DUP) &&
+			    (tanar & TANAR_HALF_DUP)) ||
+			   ((tanlpar & TANAR_FULL_DUP) &&
+			    (tanar & TANAR_HALF_DUP)) ||
+			   ((tanlpar & TANAR_HALF_DUP) &&
+			    (tanar & TANAR_FULL_DUP))) {
 
 			/* one or both of us are half duplex */
 			writel((readl(dev->base + TXCFG)
@@ -720,16 +720,16 @@ static void phy_intr(struct net_device *ndev)
 
 	newlinkstate = (cfg & CFG_LNKSTS) ? LINK_UP : LINK_DOWN;
 
-	if (newlinkstate & LINK_UP
-	    && dev->linkstate != newlinkstate) {
+	if (newlinkstate & LINK_UP &&
+	    dev->linkstate != newlinkstate) {
 		netif_start_queue(ndev);
 		netif_wake_queue(ndev);
 		printk(KERN_INFO "%s: link now %s mbps, %s duplex and up.\n",
 			ndev->name,
 			speeds[speed],
 			fullduplex ? "full" : "half");
-	} else if (newlinkstate & LINK_DOWN
-		   && dev->linkstate != newlinkstate) {
+	} else if (newlinkstate & LINK_DOWN &&
+		   dev->linkstate != newlinkstate) {
 		netif_stop_queue(ndev);
 		printk(KERN_INFO "%s: link now down.\n", ndev->name);
 	}
diff --git a/drivers/net/pci-skeleton.c b/drivers/net/pci-skeleton.c
index 0c44b48f138..480af402aff 100644
--- a/drivers/net/pci-skeleton.c
+++ b/drivers/net/pci-skeleton.c
@@ -1225,8 +1225,8 @@ static void netdrv_timer (unsigned long data)
 	mii_lpa = mdio_read (dev, tp->phys[0], MII_LPA);
 
 	if (!tp->duplex_lock && mii_lpa != 0xffff) {
-		int duplex = (mii_lpa & LPA_100FULL)
-		    || (mii_lpa & 0x01C0) == 0x0040;
+		int duplex = ((mii_lpa & LPA_100FULL) ||
+			      (mii_lpa & 0x01C0) == 0x0040);
 		if (tp->full_duplex != duplex) {
 			tp->full_duplex = duplex;
 			printk (KERN_INFO
@@ -1612,8 +1612,8 @@ static void netdrv_weird_interrupt (struct net_device *dev,
 	    (tp->drv_flags & HAS_LNK_CHNG)) {
 		/* Really link-change on new chips. */
 		int lpar = NETDRV_R16 (NWayLPAR);
-		int duplex = (lpar & 0x0100) || (lpar & 0x01C0) == 0x0040
-				|| tp->duplex_lock;
+		int duplex = ((lpar & 0x0100) || (lpar & 0x01C0) == 0x0040 ||
+			      tp->duplex_lock);
 		if (tp->full_duplex != duplex) {
 			tp->full_duplex = duplex;
 			NETDRV_W8 (Cfg9346, Cfg9346_Unlock);
@@ -1820,8 +1820,8 @@ static void netdrv_set_rx_mode (struct net_device *dev)
 		    AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
 		    AcceptAllPhys;
 		mc_filter[1] = mc_filter[0] = 0xffffffff;
-	} else if ((dev->mc_count > multicast_filter_limit)
-		   || (dev->flags & IFF_ALLMULTI)) {
+	} else if ((dev->mc_count > multicast_filter_limit) ||
+		   (dev->flags & IFF_ALLMULTI)) {
 		/* Too many to filter perfectly -- accept all multicasts. */
 		rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
 		mc_filter[1] = mc_filter[0] = 0xffffffff;
diff --git a/drivers/net/pcmcia/axnet_cs.c b/drivers/net/pcmcia/axnet_cs.c
index 3131a59a8d3..ca711f46814 100644
--- a/drivers/net/pcmcia/axnet_cs.c
+++ b/drivers/net/pcmcia/axnet_cs.c
@@ -1232,8 +1232,8 @@ static irqreturn_t ax_interrupt(int irq, void *dev_id)
 	ei_local->irqlock = 1;
    
 	/* !!Assumption!! -- we stay in page 0.	 Don't break this. */
-	while ((interrupts = inb_p(e8390_base + EN0_ISR)) != 0
-		   && ++nr_serviced < MAX_SERVICE) 
+	while ((interrupts = inb_p(e8390_base + EN0_ISR)) != 0 &&
+	       ++nr_serviced < MAX_SERVICE)
 	{
 		if (!netif_running(dev) || (interrupts == 0xff)) {
 			if (ei_debug > 1)
diff --git a/drivers/net/pcmcia/fmvj18x_cs.c b/drivers/net/pcmcia/fmvj18x_cs.c
index 57e09616330..a6961215cd5 100644
--- a/drivers/net/pcmcia/fmvj18x_cs.c
+++ b/drivers/net/pcmcia/fmvj18x_cs.c
@@ -371,9 +371,9 @@ static int fmvj18x_config(struct pcmcia_device *link)
 	switch (link->manf_id) {
 	case MANFID_TDK:
 	    cardtype = TDK;
-	    if (link->card_id == PRODID_TDK_GN3410
-			|| link->card_id == PRODID_TDK_NP9610
-			|| link->card_id == PRODID_TDK_MN3200) {
+	    if (link->card_id == PRODID_TDK_GN3410 ||
+		link->card_id == PRODID_TDK_NP9610 ||
+		link->card_id == PRODID_TDK_MN3200) {
 		/* MultiFunction Card */
 		link->conf.ConfigBase = 0x800;
 		link->conf.ConfigIndex = 0x47;
@@ -590,11 +590,11 @@ static int fmvj18x_get_hwinfo(struct pcmcia_device *link, u_char *node_id)
     */ 
     for (i = 0; i < 0x200; i++) {
 	if (readb(base+i*2) == 0x22) {	
-	    if (readb(base+(i-1)*2) == 0xff
-	     && readb(base+(i+5)*2) == 0x04
-	     && readb(base+(i+6)*2) == 0x06
-	     && readb(base+(i+13)*2) == 0xff) 
-		break;
+		if (readb(base+(i-1)*2) == 0xff &&
+		    readb(base+(i+5)*2) == 0x04 &&
+		    readb(base+(i+6)*2) == 0x06 &&
+		    readb(base+(i+13)*2) == 0xff)
+			break;
 	}
     }
 
@@ -1219,8 +1219,8 @@ static void set_rx_mode(struct net_device *dev)
     if (dev->flags & IFF_PROMISC) {
 	memset(mc_filter, 0xff, sizeof(mc_filter));
 	outb(3, ioaddr + RX_MODE);	/* Enable promiscuous mode */
-    } else if (dev->mc_count > MC_FILTERBREAK
-	       ||  (dev->flags & IFF_ALLMULTI)) {
+    } else if (dev->mc_count > MC_FILTERBREAK ||
+	       (dev->flags & IFF_ALLMULTI)) {
 	/* Too many to filter perfectly -- accept all multicasts. */
 	memset(mc_filter, 0xff, sizeof(mc_filter));
 	outb(2, ioaddr + RX_MODE);	/* Use normal mode. */
diff --git a/drivers/net/pcmcia/pcnet_cs.c b/drivers/net/pcmcia/pcnet_cs.c
index 469684474b7..347eaee855c 100644
--- a/drivers/net/pcmcia/pcnet_cs.c
+++ b/drivers/net/pcmcia/pcnet_cs.c
@@ -601,8 +601,8 @@ static int pcnet_config(struct pcmcia_device *link)
 	dev->if_port = 0;
     }
 
-    if ((link->conf.ConfigBase == 0x03c0)
-	&& (link->manf_id == 0x149) && (link->card_id == 0xc1ab)) {
+    if ((link->conf.ConfigBase == 0x03c0) &&
+	(link->manf_id == 0x149) && (link->card_id == 0xc1ab)) {
 	printk(KERN_INFO "pcnet_cs: this is an AX88190 card!\n");
 	printk(KERN_INFO "pcnet_cs: use axnet_cs instead.\n");
 	goto failed;
diff --git a/drivers/net/pcmcia/smc91c92_cs.c b/drivers/net/pcmcia/smc91c92_cs.c
index 7bde2cd34c7..117b083a10c 100644
--- a/drivers/net/pcmcia/smc91c92_cs.c
+++ b/drivers/net/pcmcia/smc91c92_cs.c
@@ -526,10 +526,10 @@ static int mhz_mfc_config(struct pcmcia_device *link)
 	mem.CardOffset = link->conf.ConfigBase;
     i = pcmcia_map_mem_page(link->win, &mem);
 
-    if ((i == 0)
-	&& (smc->manfid == MANFID_MEGAHERTZ)
-	&& (smc->cardid == PRODID_MEGAHERTZ_EM3288))
-	mhz_3288_power(link);
+    if ((i == 0) &&
+	(smc->manfid == MANFID_MEGAHERTZ) &&
+	(smc->cardid == PRODID_MEGAHERTZ_EM3288))
+	    mhz_3288_power(link);
 
 free_cfg_mem:
     kfree(cfg_mem);
diff --git a/drivers/net/pcmcia/xirc2ps_cs.c b/drivers/net/pcmcia/xirc2ps_cs.c
index cf842310253..187da21f720 100644
--- a/drivers/net/pcmcia/xirc2ps_cs.c
+++ b/drivers/net/pcmcia/xirc2ps_cs.c
@@ -421,9 +421,9 @@ PrintRegisters(struct net_device *dev)
 	    printk("\n");
 	}
 	for (page=0x40 ; page <= 0x5f; page++) {
-	    if (page == 0x43 || (page >= 0x46 && page <= 0x4f)
-		|| (page >= 0x51 && page <=0x5e))
-		continue;
+		if (page == 0x43 || (page >= 0x46 && page <= 0x4f) ||
+		    (page >= 0x51 && page <=0x5e))
+			continue;
 	    printk(KDBG_XIRC "Register page %2x: ", page);
 	    SelectPage(page);
 	    for (i = 8; i < 16; i++)
@@ -834,9 +834,9 @@ xirc2ps_config(struct pcmcia_device * link)
 	/* Once I saw two CISTPL_FUNCE_LAN_NODE_ID entries:
 	 * the first one with a length of zero the second correct -
 	 * so I skip all entries with length 0 */
-	if (parse.funce.type == CISTPL_FUNCE_LAN_NODE_ID
-	    && ((cistpl_lan_node_id_t *)parse.funce.data)->nb)
-	    break;
+	    if (parse.funce.type == CISTPL_FUNCE_LAN_NODE_ID &&
+		((cistpl_lan_node_id_t *)parse.funce.data)->nb)
+		    break;
     }
     if (err) { /* not found: try to get the node-id from tuple 0x89 */
 	tuple.DesiredTuple = 0x89;  /* data layout looks like tuple 0x22 */
@@ -852,8 +852,8 @@ xirc2ps_config(struct pcmcia_device * link)
 	tuple.DesiredTuple = CISTPL_FUNCE;
 	for (err = first_tuple(link, &tuple, &parse); !err;
 				 err = next_tuple(link, &tuple, &parse)) {
-	    if (parse.funce.type == 0x02 && parse.funce.data[0] == 1
-		&& parse.funce.data[1] == 6 && tuple.TupleDataLen == 13) {
+		if (parse.funce.type == 0x02 && parse.funce.data[0] == 1 &&
+		    parse.funce.data[1] == 6 && tuple.TupleDataLen == 13) {
 		buf[1] = 4;
 		memcpy(&parse, buf+1, 8);
 		break;
diff --git a/drivers/net/pcnet32.c b/drivers/net/pcnet32.c
index 076f23a1051..dcc67a35e8f 100644
--- a/drivers/net/pcnet32.c
+++ b/drivers/net/pcnet32.c
@@ -1515,8 +1515,8 @@ static void __devinit pcnet32_probe_vlbus(unsigned int *pcnet32_portlist)
 		if (request_region
 		    (ioaddr, PCNET32_TOTAL_SIZE, "pcnet32_probe_vlbus")) {
 			/* check if there is really a pcnet chip on that ioaddr */
-			if ((inb(ioaddr + 14) == 0x57)
-			    && (inb(ioaddr + 15) == 0x57)) {
+			if ((inb(ioaddr + 14) == 0x57) &&
+			    (inb(ioaddr + 15) == 0x57)) {
 				pcnet32_probe1(ioaddr, 0, NULL);
 			} else {
 				release_region(ioaddr, PCNET32_TOTAL_SIZE);
@@ -1610,8 +1610,8 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev)
 		a = &pcnet32_wio;
 	} else {
 		pcnet32_dwio_reset(ioaddr);
-		if (pcnet32_dwio_read_csr(ioaddr, 0) == 4
-		    && pcnet32_dwio_check(ioaddr)) {
+		if (pcnet32_dwio_read_csr(ioaddr, 0) == 4 &&
+		    pcnet32_dwio_check(ioaddr)) {
 			a = &pcnet32_dwio;
 		} else {
 			if (pcnet32_debug & NETIF_MSG_PROBE)
@@ -1750,8 +1750,8 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev)
 	for (i = 0; i < 6; i++)
 		promaddr[i] = inb(ioaddr + i);
 
-	if (memcmp(promaddr, dev->dev_addr, 6)
-	    || !is_valid_ether_addr(dev->dev_addr)) {
+	if (memcmp(promaddr, dev->dev_addr, 6) ||
+	    !is_valid_ether_addr(dev->dev_addr)) {
 		if (is_valid_ether_addr(promaddr)) {
 			if (pcnet32_debug & NETIF_MSG_PROBE) {
 				printk(" warning: CSR address invalid,\n");
@@ -1840,8 +1840,8 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev)
 	lp->mii = mii;
 	lp->chip_version = chip_version;
 	lp->msg_enable = pcnet32_debug;
-	if ((cards_found >= MAX_UNITS)
-	    || (options[cards_found] >= sizeof(options_mapping)))
+	if ((cards_found >= MAX_UNITS) ||
+	    (options[cards_found] >= sizeof(options_mapping)))
 		lp->options = PCNET32_PORT_ASEL;
 	else
 		lp->options = options_mapping[options[cards_found]];
@@ -1866,8 +1866,8 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev)
 		goto err_free_ring;
 	}
 	/* detect special T1/E1 WAN card by checking for MAC address */
-	if (dev->dev_addr[0] == 0x00 && dev->dev_addr[1] == 0xe0
-	    && dev->dev_addr[2] == 0x75)
+	if (dev->dev_addr[0] == 0x00 && dev->dev_addr[1] == 0xe0 &&
+	    dev->dev_addr[2] == 0x75)
 		lp->options = PCNET32_PORT_FD | PCNET32_PORT_GPSI;
 
 	lp->init_block->mode = cpu_to_le16(0x0003);	/* Disable Rx and Tx. */
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 6b71b003406..b0e9f9c5172 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -254,12 +254,12 @@ int phy_ethtool_sset(struct phy_device *phydev, struct ethtool_cmd *cmd)
 	if (cmd->autoneg == AUTONEG_ENABLE && cmd->advertising == 0)
 		return -EINVAL;
 
-	if (cmd->autoneg == AUTONEG_DISABLE
-			&& ((cmd->speed != SPEED_1000
-					&& cmd->speed != SPEED_100
-					&& cmd->speed != SPEED_10)
-				|| (cmd->duplex != DUPLEX_HALF
-					&& cmd->duplex != DUPLEX_FULL)))
+	if (cmd->autoneg == AUTONEG_DISABLE &&
+	    ((cmd->speed != SPEED_1000 &&
+	      cmd->speed != SPEED_100 &&
+	      cmd->speed != SPEED_10) ||
+	     (cmd->duplex != DUPLEX_HALF &&
+	      cmd->duplex != DUPLEX_FULL)))
 		return -EINVAL;
 
 	phydev->autoneg = cmd->autoneg;
@@ -353,9 +353,9 @@ int phy_mii_ioctl(struct phy_device *phydev,
 
 		phy_write(phydev, mii_data->reg_num, val);
 		
-		if (mii_data->reg_num == MII_BMCR 
-				&& val & BMCR_RESET
-				&& phydev->drv->config_init) {
+		if (mii_data->reg_num == MII_BMCR &&
+		    val & BMCR_RESET &&
+		    phydev->drv->config_init) {
 			phy_scan_fixups(phydev);
 			phydev->drv->config_init(phydev);
 		}
diff --git a/drivers/net/plip.c b/drivers/net/plip.c
index 00487f569cf..3327e9fc7b5 100644
--- a/drivers/net/plip.c
+++ b/drivers/net/plip.c
@@ -372,8 +372,8 @@ plip_bh(struct work_struct *work)
 
 	nl->is_deferred = 0;
 	f = connection_state_table[nl->connection];
-	if ((r = (*f)(nl->dev, nl, snd, rcv)) != OK
-	    && (r = plip_bh_timeout_error(nl->dev, nl, snd, rcv, r)) != OK) {
+	if ((r = (*f)(nl->dev, nl, snd, rcv)) != OK &&
+	    (r = plip_bh_timeout_error(nl->dev, nl, snd, rcv, r)) != OK) {
 		nl->is_deferred = 1;
 		schedule_delayed_work(&nl->deferred, 1);
 	}
@@ -416,9 +416,8 @@ plip_bh_timeout_error(struct net_device *dev, struct net_local *nl,
 
 		if (error != ERROR) { /* Timeout */
 			nl->timeout_count++;
-			if ((error == HS_TIMEOUT
-			     && nl->timeout_count <= 10)
-			    || nl->timeout_count <= 3) {
+			if ((error == HS_TIMEOUT && nl->timeout_count <= 10) ||
+			    nl->timeout_count <= 3) {
 				spin_unlock_irq(&nl->lock);
 				/* Try again later */
 				return TIMEOUT;
@@ -624,8 +623,8 @@ plip_receive_packet(struct net_device *dev, struct net_local *nl,
 		if (plip_receive(nibble_timeout, dev,
 				 &rcv->nibble, &rcv->length.b.msb))
 			return TIMEOUT;
-		if (rcv->length.h > dev->mtu + dev->hard_header_len
-		    || rcv->length.h < 8) {
+		if (rcv->length.h > dev->mtu + dev->hard_header_len ||
+		    rcv->length.h < 8) {
 			printk(KERN_WARNING "%s: bogus packet size %d.\n", dev->name, rcv->length.h);
 			return ERROR;
 		}
diff --git a/drivers/net/ppp_async.c b/drivers/net/ppp_async.c
index c311fa6597f..6a375ea4947 100644
--- a/drivers/net/ppp_async.c
+++ b/drivers/net/ppp_async.c
@@ -558,8 +558,8 @@ ppp_async_encode(struct asyncppp *ap)
 		 * Start of a new packet - insert the leading FLAG
 		 * character if necessary.
 		 */
-		if (islcp || flag_time == 0
-		    || time_after_eq(jiffies, ap->last_xmit + flag_time))
+		if (islcp || flag_time == 0 ||
+		    time_after_eq(jiffies, ap->last_xmit + flag_time))
 			*buf++ = PPP_FLAG;
 		ap->last_xmit = jiffies;
 		fcs = PPP_INITFCS;
@@ -696,8 +696,8 @@ ppp_async_push(struct asyncppp *ap)
 		 */
 		clear_bit(XMIT_BUSY, &ap->xmit_flags);
 		/* any more work to do? if not, exit the loop */
-		if (!(test_bit(XMIT_WAKEUP, &ap->xmit_flags)
-		      || (!tty_stuffed && ap->tpkt)))
+		if (!(test_bit(XMIT_WAKEUP, &ap->xmit_flags) ||
+		      (!tty_stuffed && ap->tpkt)))
 			break;
 		/* more work to do, see if we can do it now */
 		if (test_and_set_bit(XMIT_BUSY, &ap->xmit_flags))
@@ -754,8 +754,8 @@ scan_ordinary(struct asyncppp *ap, const unsigned char *buf, int count)
 
 	for (i = 0; i < count; ++i) {
 		c = buf[i];
-		if (c == PPP_ESCAPE || c == PPP_FLAG
-		    || (c < 0x20 && (ap->raccm & (1 << c)) != 0))
+		if (c == PPP_ESCAPE || c == PPP_FLAG ||
+		    (c < 0x20 && (ap->raccm & (1 << c)) != 0))
 			break;
 	}
 	return i;
diff --git a/drivers/net/ppp_deflate.c b/drivers/net/ppp_deflate.c
index 034c1c650bc..695bc83e0cf 100644
--- a/drivers/net/ppp_deflate.c
+++ b/drivers/net/ppp_deflate.c
@@ -111,11 +111,11 @@ static void *z_comp_alloc(unsigned char *options, int opt_len)
 	struct ppp_deflate_state *state;
 	int w_size;
 
-	if (opt_len != CILEN_DEFLATE
-	    || (options[0] != CI_DEFLATE && options[0] != CI_DEFLATE_DRAFT)
-	    || options[1] != CILEN_DEFLATE
-	    || DEFLATE_METHOD(options[2]) != DEFLATE_METHOD_VAL
-	    || options[3] != DEFLATE_CHK_SEQUENCE)
+	if (opt_len != CILEN_DEFLATE ||
+	    (options[0] != CI_DEFLATE && options[0] != CI_DEFLATE_DRAFT) ||
+	    options[1] != CILEN_DEFLATE ||
+	    DEFLATE_METHOD(options[2]) != DEFLATE_METHOD_VAL ||
+	    options[3] != DEFLATE_CHK_SEQUENCE)
 		return NULL;
 	w_size = DEFLATE_SIZE(options[2]);
 	if (w_size < DEFLATE_MIN_SIZE || w_size > DEFLATE_MAX_SIZE)
@@ -163,12 +163,12 @@ static int z_comp_init(void *arg, unsigned char *options, int opt_len,
 {
 	struct ppp_deflate_state *state = (struct ppp_deflate_state *) arg;
 
-	if (opt_len < CILEN_DEFLATE
-	    || (options[0] != CI_DEFLATE && options[0] != CI_DEFLATE_DRAFT)
-	    || options[1] != CILEN_DEFLATE
-	    || DEFLATE_METHOD(options[2]) != DEFLATE_METHOD_VAL
-	    || DEFLATE_SIZE(options[2]) != state->w_size
-	    || options[3] != DEFLATE_CHK_SEQUENCE)
+	if (opt_len < CILEN_DEFLATE ||
+	    (options[0] != CI_DEFLATE && options[0] != CI_DEFLATE_DRAFT) ||
+	    options[1] != CILEN_DEFLATE ||
+	    DEFLATE_METHOD(options[2]) != DEFLATE_METHOD_VAL ||
+	    DEFLATE_SIZE(options[2]) != state->w_size ||
+	    options[3] != DEFLATE_CHK_SEQUENCE)
 		return 0;
 
 	state->seqno = 0;
@@ -330,11 +330,11 @@ static void *z_decomp_alloc(unsigned char *options, int opt_len)
 	struct ppp_deflate_state *state;
 	int w_size;
 
-	if (opt_len != CILEN_DEFLATE
-	    || (options[0] != CI_DEFLATE && options[0] != CI_DEFLATE_DRAFT)
-	    || options[1] != CILEN_DEFLATE
-	    || DEFLATE_METHOD(options[2]) != DEFLATE_METHOD_VAL
-	    || options[3] != DEFLATE_CHK_SEQUENCE)
+	if (opt_len != CILEN_DEFLATE ||
+	    (options[0] != CI_DEFLATE && options[0] != CI_DEFLATE_DRAFT) ||
+	    options[1] != CILEN_DEFLATE ||
+	    DEFLATE_METHOD(options[2]) != DEFLATE_METHOD_VAL ||
+	    options[3] != DEFLATE_CHK_SEQUENCE)
 		return NULL;
 	w_size = DEFLATE_SIZE(options[2]);
 	if (w_size < DEFLATE_MIN_SIZE || w_size > DEFLATE_MAX_SIZE)
@@ -381,12 +381,12 @@ static int z_decomp_init(void *arg, unsigned char *options, int opt_len,
 {
 	struct ppp_deflate_state *state = (struct ppp_deflate_state *) arg;
 
-	if (opt_len < CILEN_DEFLATE
-	    || (options[0] != CI_DEFLATE && options[0] != CI_DEFLATE_DRAFT)
-	    || options[1] != CILEN_DEFLATE
-	    || DEFLATE_METHOD(options[2]) != DEFLATE_METHOD_VAL
-	    || DEFLATE_SIZE(options[2]) != state->w_size
-	    || options[3] != DEFLATE_CHK_SEQUENCE)
+	if (opt_len < CILEN_DEFLATE ||
+	    (options[0] != CI_DEFLATE && options[0] != CI_DEFLATE_DRAFT) ||
+	    options[1] != CILEN_DEFLATE ||
+	    DEFLATE_METHOD(options[2]) != DEFLATE_METHOD_VAL ||
+	    DEFLATE_SIZE(options[2]) != state->w_size ||
+	    options[3] != DEFLATE_CHK_SEQUENCE)
 		return 0;
 
 	state->seqno = 0;
diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c
index f671bb81004..2282e729edb 100644
--- a/drivers/net/ppp_generic.c
+++ b/drivers/net/ppp_generic.c
@@ -425,8 +425,8 @@ static ssize_t ppp_read(struct file *file, char __user *buf,
 			 * network traffic (demand mode).
 			 */
 			struct ppp *ppp = PF_TO_PPP(pf);
-			if (ppp->n_channels == 0
-			    && (ppp->flags & SC_LOOP_TRAFFIC) == 0)
+			if (ppp->n_channels == 0 &&
+			    (ppp->flags & SC_LOOP_TRAFFIC) == 0)
 				break;
 		}
 		ret = -EAGAIN;
@@ -511,8 +511,8 @@ static unsigned int ppp_poll(struct file *file, poll_table *wait)
 	else if (pf->kind == INTERFACE) {
 		/* see comment in ppp_read */
 		struct ppp *ppp = PF_TO_PPP(pf);
-		if (ppp->n_channels == 0
-		    && (ppp->flags & SC_LOOP_TRAFFIC) == 0)
+		if (ppp->n_channels == 0 &&
+		    (ppp->flags & SC_LOOP_TRAFFIC) == 0)
 			mask |= POLLIN | POLLRDNORM;
 	}
 
@@ -1057,8 +1057,8 @@ ppp_xmit_process(struct ppp *ppp)
 	ppp_xmit_lock(ppp);
 	if (!ppp->closing) {
 		ppp_push(ppp);
-		while (!ppp->xmit_pending
-		       && (skb = skb_dequeue(&ppp->file.xq)))
+		while (!ppp->xmit_pending &&
+		       (skb = skb_dequeue(&ppp->file.xq)))
 			ppp_send_frame(ppp, skb);
 		/* If there's no work left to do, tell the core net
 		   code that we can accept some more. */
@@ -1137,18 +1137,18 @@ ppp_send_frame(struct ppp *ppp, struct sk_buff *skb)
 		/* the filter instructions are constructed assuming
 		   a four-byte PPP header on each packet */
 		*skb_push(skb, 2) = 1;
-		if (ppp->pass_filter
-		    && sk_run_filter(skb, ppp->pass_filter,
-				     ppp->pass_len) == 0) {
+		if (ppp->pass_filter &&
+		    sk_run_filter(skb, ppp->pass_filter,
+				  ppp->pass_len) == 0) {
 			if (ppp->debug & 1)
 				printk(KERN_DEBUG "PPP: outbound frame not passed\n");
 			kfree_skb(skb);
 			return;
 		}
 		/* if this packet passes the active filter, record the time */
-		if (!(ppp->active_filter
-		      && sk_run_filter(skb, ppp->active_filter,
-				       ppp->active_len) == 0))
+		if (!(ppp->active_filter &&
+		      sk_run_filter(skb, ppp->active_filter,
+				    ppp->active_len) == 0))
 			ppp->last_xmit = jiffies;
 		skb_pull(skb, 2);
 #else
@@ -1202,8 +1202,8 @@ ppp_send_frame(struct ppp *ppp, struct sk_buff *skb)
 	}
 
 	/* try to do packet compression */
-	if ((ppp->xstate & SC_COMP_RUN) && ppp->xc_state
-	    && proto != PPP_LCP && proto != PPP_CCP) {
+	if ((ppp->xstate & SC_COMP_RUN) && ppp->xc_state &&
+	    proto != PPP_LCP && proto != PPP_CCP) {
 		if (!(ppp->flags & SC_CCP_UP) && (ppp->flags & SC_MUST_COMP)) {
 			if (net_ratelimit())
 				printk(KERN_ERR "ppp: compression required but down - pkt dropped.\n");
@@ -1577,8 +1577,8 @@ ppp_input(struct ppp_channel *chan, struct sk_buff *skb)
 		/* put it on the channel queue */
 		skb_queue_tail(&pch->file.rq, skb);
 		/* drop old frames if queue too long */
-		while (pch->file.rq.qlen > PPP_MAX_RQLEN
-		       && (skb = skb_dequeue(&pch->file.rq)))
+		while (pch->file.rq.qlen > PPP_MAX_RQLEN &&
+		       (skb = skb_dequeue(&pch->file.rq)))
 			kfree_skb(skb);
 		wake_up_interruptible(&pch->file.rwait);
 	} else {
@@ -1654,8 +1654,8 @@ ppp_receive_nonmp_frame(struct ppp *ppp, struct sk_buff *skb)
 	 * Note that some decompressors need to see uncompressed frames
 	 * that come in as well as compressed frames.
 	 */
-	if (ppp->rc_state && (ppp->rstate & SC_DECOMP_RUN)
-	    && (ppp->rstate & (SC_DC_FERROR | SC_DC_ERROR)) == 0)
+	if (ppp->rc_state && (ppp->rstate & SC_DECOMP_RUN) &&
+	    (ppp->rstate & (SC_DC_FERROR | SC_DC_ERROR)) == 0)
 		skb = ppp_decompress_frame(ppp, skb);
 
 	if (ppp->flags & SC_MUST_COMP && ppp->rstate & SC_DC_FERROR)
@@ -1726,8 +1726,8 @@ ppp_receive_nonmp_frame(struct ppp *ppp, struct sk_buff *skb)
 		/* control or unknown frame - pass it to pppd */
 		skb_queue_tail(&ppp->file.rq, skb);
 		/* limit queue length by dropping old frames */
-		while (ppp->file.rq.qlen > PPP_MAX_RQLEN
-		       && (skb = skb_dequeue(&ppp->file.rq)))
+		while (ppp->file.rq.qlen > PPP_MAX_RQLEN &&
+		       (skb = skb_dequeue(&ppp->file.rq)))
 			kfree_skb(skb);
 		/* wake up any process polling or blocking on read */
 		wake_up_interruptible(&ppp->file.rwait);
@@ -1745,26 +1745,26 @@ ppp_receive_nonmp_frame(struct ppp *ppp, struct sk_buff *skb)
 				goto err;
 
 			*skb_push(skb, 2) = 0;
-			if (ppp->pass_filter
-			    && sk_run_filter(skb, ppp->pass_filter,
-					     ppp->pass_len) == 0) {
+			if (ppp->pass_filter &&
+			    sk_run_filter(skb, ppp->pass_filter,
+					  ppp->pass_len) == 0) {
 				if (ppp->debug & 1)
 					printk(KERN_DEBUG "PPP: inbound frame "
 					       "not passed\n");
 				kfree_skb(skb);
 				return;
 			}
-			if (!(ppp->active_filter
-			      && sk_run_filter(skb, ppp->active_filter,
-					       ppp->active_len) == 0))
+			if (!(ppp->active_filter &&
+			      sk_run_filter(skb, ppp->active_filter,
+					    ppp->active_len) == 0))
 				ppp->last_recv = jiffies;
 			__skb_pull(skb, 2);
 		} else
 #endif /* CONFIG_PPP_FILTER */
 			ppp->last_recv = jiffies;
 
-		if ((ppp->dev->flags & IFF_UP) == 0
-		    || ppp->npmode[npi] != NPMODE_PASS) {
+		if ((ppp->dev->flags & IFF_UP) == 0 ||
+		    ppp->npmode[npi] != NPMODE_PASS) {
 			kfree_skb(skb);
 		} else {
 			/* chop off protocol */
@@ -2228,13 +2228,13 @@ ppp_set_compress(struct ppp *ppp, unsigned long arg)
 	unsigned char ccp_option[CCP_MAX_OPTION_LENGTH];
 
 	err = -EFAULT;
-	if (copy_from_user(&data, (void __user *) arg, sizeof(data))
-	    || (data.length <= CCP_MAX_OPTION_LENGTH
-		&& copy_from_user(ccp_option, (void __user *) data.ptr, data.length)))
+	if (copy_from_user(&data, (void __user *) arg, sizeof(data)) ||
+	    (data.length <= CCP_MAX_OPTION_LENGTH &&
+	     copy_from_user(ccp_option, (void __user *) data.ptr, data.length)))
 		goto out;
 	err = -EINVAL;
-	if (data.length > CCP_MAX_OPTION_LENGTH
-	    || ccp_option[1] < 2 || ccp_option[1] > data.length)
+	if (data.length > CCP_MAX_OPTION_LENGTH ||
+	    ccp_option[1] < 2 || ccp_option[1] > data.length)
 		goto out;
 
 	cp = try_then_request_module(
diff --git a/drivers/net/ppp_mppe.c b/drivers/net/ppp_mppe.c
index 88f03c9e940..6d1a1b80cc3 100644
--- a/drivers/net/ppp_mppe.c
+++ b/drivers/net/ppp_mppe.c
@@ -195,8 +195,8 @@ static void *mppe_alloc(unsigned char *options, int optlen)
 	struct ppp_mppe_state *state;
 	unsigned int digestsize;
 
-	if (optlen != CILEN_MPPE + sizeof(state->master_key)
-	    || options[0] != CI_MPPE || options[1] != CILEN_MPPE)
+	if (optlen != CILEN_MPPE + sizeof(state->master_key) ||
+	    options[0] != CI_MPPE || options[1] != CILEN_MPPE)
 		goto out;
 
 	state = kzalloc(sizeof(*state), GFP_KERNEL);
@@ -276,8 +276,8 @@ mppe_init(void *arg, unsigned char *options, int optlen, int unit, int debug,
 	struct ppp_mppe_state *state = (struct ppp_mppe_state *) arg;
 	unsigned char mppe_opts;
 
-	if (optlen != CILEN_MPPE
-	    || options[0] != CI_MPPE || options[1] != CILEN_MPPE)
+	if (optlen != CILEN_MPPE ||
+	    options[0] != CI_MPPE || options[1] != CILEN_MPPE)
 		return 0;
 
 	MPPE_CI_TO_OPTS(&options[2], mppe_opts);
diff --git a/drivers/net/ppp_synctty.c b/drivers/net/ppp_synctty.c
index c908b08dc98..3a13cecae3e 100644
--- a/drivers/net/ppp_synctty.c
+++ b/drivers/net/ppp_synctty.c
@@ -662,8 +662,8 @@ ppp_sync_push(struct syncppp *ap)
 		}
 		/* haven't made any progress */
 		spin_unlock_bh(&ap->xmit_lock);
-		if (!(test_bit(XMIT_WAKEUP, &ap->xmit_flags)
-		      || (!tty_stuffed && ap->tpkt)))
+		if (!(test_bit(XMIT_WAKEUP, &ap->xmit_flags) ||
+		      (!tty_stuffed && ap->tpkt)))
 			break;
 		if (!spin_trylock_bh(&ap->xmit_lock))
 			break;
diff --git a/drivers/net/pppoe.c b/drivers/net/pppoe.c
index a4ed776d823..cdd11ba100e 100644
--- a/drivers/net/pppoe.c
+++ b/drivers/net/pppoe.c
@@ -323,8 +323,8 @@ static void pppoe_flush_dev(struct net_device *dev)
 			write_unlock_bh(&pn->hash_lock);
 			lock_sock(sk);
 
-			if (po->pppoe_dev == dev
-			    && sk->sk_state & (PPPOX_CONNECTED | PPPOX_BOUND)) {
+			if (po->pppoe_dev == dev &&
+			    sk->sk_state & (PPPOX_CONNECTED | PPPOX_BOUND)) {
 				pppox_unbind_sock(sk);
 				sk->sk_state = PPPOX_ZOMBIE;
 				sk->sk_state_change(sk);
diff --git a/drivers/net/qla3xxx.c b/drivers/net/qla3xxx.c
index 4c610511eb4..e3e6bc917c8 100644
--- a/drivers/net/qla3xxx.c
+++ b/drivers/net/qla3xxx.c
@@ -1969,8 +1969,8 @@ static void ql_update_lrg_bufq_prod_index(struct ql3_adapter *qdev)
 	struct ql_rcv_buf_cb *lrg_buf_cb;
 	struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
 
-	if ((qdev->lrg_buf_free_count >= 8)
-	    && (qdev->lrg_buf_release_cnt >= 16)) {
+	if ((qdev->lrg_buf_free_count >= 8) &&
+	    (qdev->lrg_buf_release_cnt >= 16)) {
 
 		if (qdev->lrg_buf_skb_check)
 			if (!ql_populate_free_queue(qdev))
@@ -1978,8 +1978,8 @@ static void ql_update_lrg_bufq_prod_index(struct ql3_adapter *qdev)
 
 		lrg_buf_q_ele = qdev->lrg_buf_next_free;
 
-		while ((qdev->lrg_buf_release_cnt >= 16)
-		       && (qdev->lrg_buf_free_count >= 8)) {
+		while ((qdev->lrg_buf_release_cnt >= 16) &&
+		       (qdev->lrg_buf_free_count >= 8)) {
 
 			for (i = 0; i < 8; i++) {
 				lrg_buf_cb =
diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 7692299e782..707b391afa0 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -2347,8 +2347,8 @@ static int ql_alloc_tx_resources(struct ql_adapter *qdev,
 	    pci_alloc_consistent(qdev->pdev, tx_ring->wq_size,
 				 &tx_ring->wq_base_dma);
 
-	if ((tx_ring->wq_base == NULL)
-		|| tx_ring->wq_base_dma & WQ_ADDR_ALIGN) {
+	if ((tx_ring->wq_base == NULL) ||
+	    tx_ring->wq_base_dma & WQ_ADDR_ALIGN) {
 		QPRINTK(qdev, IFUP, ERR, "tx_ring alloc failed.\n");
 		return -ENOMEM;
 	}
diff --git a/drivers/net/r6040.c b/drivers/net/r6040.c
index 0f30ea4e97e..f03e2e4a15a 100644
--- a/drivers/net/r6040.c
+++ b/drivers/net/r6040.c
@@ -958,8 +958,7 @@ static void r6040_multicast_list(struct net_device *dev)
 	}
 	/* Too many multicast addresses
 	 * accept all traffic */
-	else if ((dev->mc_count > MCAST_MAX)
-		|| (dev->flags & IFF_ALLMULTI))
+	else if ((dev->mc_count > MCAST_MAX) || (dev->flags & IFF_ALLMULTI))
 		reg |= 0x0020;
 
 	iowrite16(reg, ioaddr);
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index f6899c3500b..acfc5a3aa49 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -4763,8 +4763,8 @@ static void rtl_set_rx_mode(struct net_device *dev)
 		    AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
 		    AcceptAllPhys;
 		mc_filter[1] = mc_filter[0] = 0xffffffff;
-	} else if ((dev->mc_count > multicast_filter_limit)
-		   || (dev->flags & IFF_ALLMULTI)) {
+	} else if ((dev->mc_count > multicast_filter_limit) ||
+		   (dev->flags & IFF_ALLMULTI)) {
 		/* Too many to filter perfectly -- accept all multicasts. */
 		rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
 		mc_filter[1] = mc_filter[0] = 0xffffffff;
diff --git a/drivers/net/s6gmac.c b/drivers/net/s6gmac.c
index d81706e91aa..45f26344b36 100644
--- a/drivers/net/s6gmac.c
+++ b/drivers/net/s6gmac.c
@@ -373,9 +373,9 @@ struct s6gmac {
 static void s6gmac_rx_fillfifo(struct s6gmac *pd)
 {
 	struct sk_buff *skb;
-	while ((((u8)(pd->rx_skb_i - pd->rx_skb_o)) < S6_NUM_RX_SKB)
-			&& (!s6dmac_fifo_full(pd->rx_dma, pd->rx_chan))
-			&& (skb = dev_alloc_skb(S6_MAX_FRLEN + 2))) {
+	while ((((u8)(pd->rx_skb_i - pd->rx_skb_o)) < S6_NUM_RX_SKB) &&
+	       (!s6dmac_fifo_full(pd->rx_dma, pd->rx_chan)) &&
+	       (skb = dev_alloc_skb(S6_MAX_FRLEN + 2))) {
 		pd->rx_skb[(pd->rx_skb_i++) % S6_NUM_RX_SKB] = skb;
 		s6dmac_put_fifo_cache(pd->rx_dma, pd->rx_chan,
 			pd->io, (u32)skb->data, S6_MAX_FRLEN);
diff --git a/drivers/net/sc92031.c b/drivers/net/sc92031.c
index b7e0eb40a8b..e35050322f9 100644
--- a/drivers/net/sc92031.c
+++ b/drivers/net/sc92031.c
@@ -428,9 +428,9 @@ static void _sc92031_set_mar(struct net_device *dev)
 	void __iomem *port_base = priv->port_base;
 	u32 mar0 = 0, mar1 = 0;
 
-	if ((dev->flags & IFF_PROMISC)
-			|| dev->mc_count > multicast_filter_limit
-			|| (dev->flags & IFF_ALLMULTI))
+	if ((dev->flags & IFF_PROMISC) ||
+	    dev->mc_count > multicast_filter_limit ||
+	    (dev->flags & IFF_ALLMULTI))
 		mar0 = mar1 = 0xffffffff;
 	else if (dev->flags & IFF_MULTICAST) {
 		struct dev_mc_list *mc_list;
@@ -777,10 +777,10 @@ static void _sc92031_rx_tasklet(struct net_device *dev)
 
 		rx_ring_offset = (rx_ring_offset + 4) % RX_BUF_LEN;
 
-		if (unlikely(rx_status == 0
-				|| rx_size > (MAX_ETH_FRAME_SIZE + 4)
-				|| rx_size < 16
-				|| !(rx_status & RxStatesOK))) {
+		if (unlikely(rx_status == 0 ||
+			     rx_size > (MAX_ETH_FRAME_SIZE + 4) ||
+			     rx_size < 16 ||
+			     !(rx_status & RxStatesOK))) {
 			_sc92031_rx_tasklet_error(dev, rx_status, rx_size);
 			break;
 		}
diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index 34b4e7d500d..379a3dc0016 100644
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -238,8 +238,8 @@ static int skge_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
 	struct skge_port *skge = netdev_priv(dev);
 	struct skge_hw *hw = skge->hw;
 
-	if ((wol->wolopts & ~wol_supported(hw))
-	    || !device_can_wakeup(&hw->pdev->dev))
+	if ((wol->wolopts & ~wol_supported(hw)) ||
+	    !device_can_wakeup(&hw->pdev->dev))
 		return -EOPNOTSUPP;
 
 	skge->wol = wol->wolopts;
@@ -576,9 +576,10 @@ static void skge_get_pauseparam(struct net_device *dev,
 {
 	struct skge_port *skge = netdev_priv(dev);
 
-	ecmd->rx_pause = (skge->flow_control == FLOW_MODE_SYMMETRIC)
-		|| (skge->flow_control == FLOW_MODE_SYM_OR_REM);
-	ecmd->tx_pause = ecmd->rx_pause || (skge->flow_control == FLOW_MODE_LOC_SEND);
+	ecmd->rx_pause = ((skge->flow_control == FLOW_MODE_SYMMETRIC) ||
+			  (skge->flow_control == FLOW_MODE_SYM_OR_REM));
+	ecmd->tx_pause = (ecmd->rx_pause ||
+			  (skge->flow_control == FLOW_MODE_LOC_SEND));
 
 	ecmd->autoneg = ecmd->rx_pause || ecmd->tx_pause;
 }
@@ -2779,8 +2780,8 @@ static netdev_tx_t skge_xmit_frame(struct sk_buff *skb,
 		/* This seems backwards, but it is what the sk98lin
 		 * does.  Looks like hardware is wrong?
 		 */
-		if (ipip_hdr(skb)->protocol == IPPROTO_UDP
-	            && hw->chip_rev == 0 && hw->chip_id == CHIP_ID_YUKON)
+		if (ipip_hdr(skb)->protocol == IPPROTO_UDP &&
+	            hw->chip_rev == 0 && hw->chip_id == CHIP_ID_YUKON)
 			control = BMU_TCP_CHECK;
 		else
 			control = BMU_UDP_CHECK;
@@ -2948,8 +2949,8 @@ static void genesis_set_multicast(struct net_device *dev)
 	else {
 		memset(filter, 0, sizeof(filter));
 
-		if (skge->flow_status == FLOW_STAT_REM_SEND
-		    || skge->flow_status == FLOW_STAT_SYMMETRIC)
+		if (skge->flow_status == FLOW_STAT_REM_SEND ||
+		    skge->flow_status == FLOW_STAT_SYMMETRIC)
 			genesis_add_filter(filter, pause_mc_addr);
 
 		for (i = 0; list && i < count; i++, list = list->next)
@@ -2972,8 +2973,8 @@ static void yukon_set_multicast(struct net_device *dev)
 	struct skge_hw *hw = skge->hw;
 	int port = skge->port;
 	struct dev_mc_list *list = dev->mc_list;
-	int rx_pause = (skge->flow_status == FLOW_STAT_REM_SEND
-			|| skge->flow_status == FLOW_STAT_SYMMETRIC);
+	int rx_pause = (skge->flow_status == FLOW_STAT_REM_SEND ||
+			skge->flow_status == FLOW_STAT_SYMMETRIC);
 	u16 reg;
 	u8 filter[8];
 
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index a3d99913f18..3943d89afb2 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -374,8 +374,8 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
 			ctrl |= PHY_M_PC_MDI_XMODE(PHY_M_PC_ENA_AUTO);
 
 			/* downshift on PHY 88E1112 and 88E1149 is changed */
-			if ( (sky2->flags & SKY2_FLAG_AUTO_SPEED)
-			    && (hw->flags & SKY2_HW_NEWER_PHY)) {
+			if ( (sky2->flags & SKY2_FLAG_AUTO_SPEED) &&
+			     (hw->flags & SKY2_HW_NEWER_PHY)) {
 				/* set downshift counter to 3x and enable downshift */
 				ctrl &= ~PHY_M_PC_DSC_MSK;
 				ctrl |= PHY_M_PC_DSC(2) | PHY_M_PC_DOWN_S_ENA;
@@ -619,8 +619,8 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
 		/* no effect on Yukon-XL */
 		gm_phy_write(hw, port, PHY_MARV_LED_CTRL, ledctrl);
 
-		if ( !(sky2->flags & SKY2_FLAG_AUTO_SPEED)
-		     || sky2->speed == SPEED_100) {
+		if (!(sky2->flags & SKY2_FLAG_AUTO_SPEED) ||
+		    sky2->speed == SPEED_100) {
 			/* turn on 100 Mbps LED (LED_LINK100) */
 			ledover |= PHY_M_LED_MO_100(MO_LED_ON);
 		}
@@ -937,8 +937,8 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port)
 	/* On chips without ram buffer, pause is controled by MAC level */
 	if (!(hw->flags & SKY2_HW_RAM_BUFFER)) {
 		/* Pause threshold is scaled by 8 in bytes */
-		if (hw->chip_id == CHIP_ID_YUKON_FE_P
-			&& hw->chip_rev == CHIP_REV_YU_FE2_A0)
+		if (hw->chip_id == CHIP_ID_YUKON_FE_P &&
+		    hw->chip_rev == CHIP_REV_YU_FE2_A0)
 			reg = 1568 / 8;
 		else
 			reg = 1024 / 8;
@@ -1353,8 +1353,8 @@ static int sky2_rx_start(struct sky2_port *sky2)
 	/* These chips have no ram buffer?
 	 * MAC Rx RAM Read is controlled by hardware */
 	if (hw->chip_id == CHIP_ID_YUKON_EC_U &&
-	    (hw->chip_rev == CHIP_REV_YU_EC_U_A1
-	     || hw->chip_rev == CHIP_REV_YU_EC_U_B0))
+	    (hw->chip_rev == CHIP_REV_YU_EC_U_A1 ||
+	     hw->chip_rev == CHIP_REV_YU_EC_U_B0))
 		sky2_write32(hw, Q_ADDR(rxq, Q_TEST), F_M_RX_RAM_DIS);
 
 	sky2_prefetch_init(hw, rxq, sky2->rx_le_map, RX_LE_SIZE - 1);
@@ -1560,8 +1560,8 @@ static int sky2_up(struct net_device *dev)
 		sky2_write32(hw, Q_ADDR(txqaddr[port], Q_TEST), F_TX_CHK_AUTO_OFF);
 
 	/* Set almost empty threshold */
-	if (hw->chip_id == CHIP_ID_YUKON_EC_U
-	    && hw->chip_rev == CHIP_REV_YU_EC_U_A0)
+	if (hw->chip_id == CHIP_ID_YUKON_EC_U &&
+	    hw->chip_rev == CHIP_REV_YU_EC_U_A0)
 		sky2_write16(hw, Q_ADDR(txqaddr[port], Q_AL), ECU_TXFF_LEV);
 
 	sky2_prefetch_init(hw, txqaddr[port], sky2->tx_le_map,
@@ -1907,8 +1907,8 @@ static int sky2_down(struct net_device *dev)
 	sky2_write8(hw, SK_REG(port, GPHY_CTRL), GPC_RST_SET);
 
 	/* Workaround shared GMAC reset */
-	if (!(hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev == 0
-	      && port == 0 && hw->dev[1] && netif_running(hw->dev[1])))
+	if (!(hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev == 0 &&
+	      port == 0 && hw->dev[1] && netif_running(hw->dev[1])))
 		sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_RST_SET);
 
 	sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_SET);
@@ -2085,8 +2085,8 @@ static int sky2_autoneg_done(struct sky2_port *sky2, u16 aux)
 			sky2->flow_status = FC_TX;
 	}
 
-	if (sky2->duplex == DUPLEX_HALF && sky2->speed < SPEED_1000
-	    && !(hw->chip_id == CHIP_ID_YUKON_EC_U || hw->chip_id == CHIP_ID_YUKON_EX))
+	if (sky2->duplex == DUPLEX_HALF && sky2->speed < SPEED_1000 &&
+	    !(hw->chip_id == CHIP_ID_YUKON_EC_U || hw->chip_id == CHIP_ID_YUKON_EX))
 		sky2->flow_status = FC_NONE;
 
 	if (sky2->flow_status & FC_TX)
@@ -3244,8 +3244,8 @@ static int sky2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
 	struct sky2_port *sky2 = netdev_priv(dev);
 	struct sky2_hw *hw = sky2->hw;
 
-	if ((wol->wolopts & ~sky2_wol_supported(sky2->hw))
-	    || !device_can_wakeup(&hw->pdev->dev))
+	if ((wol->wolopts & ~sky2_wol_supported(sky2->hw)) ||
+	    !device_can_wakeup(&hw->pdev->dev))
 		return -EOPNOTSUPP;
 
 	sky2->wol = wol->wolopts;
diff --git a/drivers/net/slip.c b/drivers/net/slip.c
index 6640469b5d3..ba5bbc50344 100644
--- a/drivers/net/slip.c
+++ b/drivers/net/slip.c
@@ -956,8 +956,8 @@ static void slip_unesc(struct slip *sl, unsigned char s)
 			clear_bit(SLF_KEEPTEST, &sl->flags);
 #endif
 
-		if (!test_and_clear_bit(SLF_ERROR, &sl->flags)
-							&& (sl->rcount > 2))
+		if (!test_and_clear_bit(SLF_ERROR, &sl->flags) &&
+		    (sl->rcount > 2))
 			sl_bump(sl);
 		clear_bit(SLF_ESCAPE, &sl->flags);
 		sl->rcount = 0;
@@ -1039,8 +1039,8 @@ static void slip_unesc6(struct slip *sl, unsigned char s)
 			clear_bit(SLF_KEEPTEST, &sl->flags);
 #endif
 
-		if (!test_and_clear_bit(SLF_ERROR, &sl->flags)
-							&& (sl->rcount > 2))
+		if (!test_and_clear_bit(SLF_ERROR, &sl->flags) &&
+		    (sl->rcount > 2))
 			sl_bump(sl);
 		sl->rcount = 0;
 		sl->xbits = 0;
diff --git a/drivers/net/smc-mca.c b/drivers/net/smc-mca.c
index c791ef76c1d..a93f122e9a9 100644
--- a/drivers/net/smc-mca.c
+++ b/drivers/net/smc-mca.c
@@ -268,9 +268,9 @@ static int __init ultramca_probe(struct device *gen_dev)
 		}
 	}
 
-	if(!tirq || !tbase
-	   || (irq && irq != tirq)
-	   || (base_addr && tbase != base_addr))
+	if(!tirq || !tbase ||
+	   (irq && irq != tirq) ||
+	   (base_addr && tbase != base_addr))
 		/* FIXME: we're trying to force the ordering of the
 		 * devices here, there should be a way of getting this
 		 * to happen */
diff --git a/drivers/net/smc91x.h b/drivers/net/smc91x.h
index 3911be7c0cb..7815bfc300f 100644
--- a/drivers/net/smc91x.h
+++ b/drivers/net/smc91x.h
@@ -158,8 +158,8 @@ static inline void SMC_outw(u16 val, void __iomem *ioaddr, int reg)
 #define SMC_outsb(a, r, p, l)	writesb((a) + (r), p, (l))
 #define SMC_IRQ_FLAGS		(-1)	/* from resource */
 
-#elif	defined(CONFIG_MACH_LOGICPD_PXA270) \
-	|| defined(CONFIG_MACH_NOMADIK_8815NHK)
+#elif	defined(CONFIG_MACH_LOGICPD_PXA270) ||	\
+	defined(CONFIG_MACH_NOMADIK_8815NHK)
 
 #define SMC_CAN_USE_8BIT	0
 #define SMC_CAN_USE_16BIT	1
@@ -258,9 +258,9 @@ SMC_outw(u16 val, void __iomem *ioaddr, int reg)
 #define RPC_LSA_DEFAULT		RPC_LED_TX_RX
 #define RPC_LSB_DEFAULT		RPC_LED_100_10
 
-#elif   defined(CONFIG_MACH_LPD79520) \
-     || defined(CONFIG_MACH_LPD7A400) \
-     || defined(CONFIG_MACH_LPD7A404)
+#elif   defined(CONFIG_MACH_LPD79520) ||	\
+	defined(CONFIG_MACH_LPD7A400) ||	\
+	defined(CONFIG_MACH_LPD7A404)
 
 /* The LPD7X_IOBARRIER is necessary to overcome a mismatch between the
  * way that the CPU handles chip selects and the way that the SMC chip
diff --git a/drivers/net/smsc911x.c b/drivers/net/smsc911x.c
index 7f01e60d517..4d0d5c56bed 100644
--- a/drivers/net/smsc911x.c
+++ b/drivers/net/smsc911x.c
@@ -748,8 +748,8 @@ static void smsc911x_phy_adjust_link(struct net_device *dev)
 			 * usage is 10/100 indicator */
 			pdata->gpio_setting = smsc911x_reg_read(pdata,
 				GPIO_CFG);
-			if ((pdata->gpio_setting & GPIO_CFG_LED1_EN_)
-			    && (!pdata->using_extphy)) {
+			if ((pdata->gpio_setting & GPIO_CFG_LED1_EN_) &&
+			    (!pdata->using_extphy)) {
 				/* Force 10/100 LED off, after saving
 				 * orginal GPIO configuration */
 				pdata->gpio_orig_setting = pdata->gpio_setting;
diff --git a/drivers/net/starfire.c b/drivers/net/starfire.c
index aa10158adb9..95db60adde4 100644
--- a/drivers/net/starfire.c
+++ b/drivers/net/starfire.c
@@ -1482,8 +1482,8 @@ static int __netdev_rx(struct net_device *dev, int *quota)
 			printk(KERN_DEBUG "  netdev_rx() normal Rx pkt length %d, quota %d.\n", pkt_len, *quota);
 		/* Check if the packet is long enough to accept without copying
 		   to a minimally-sized skbuff. */
-		if (pkt_len < rx_copybreak
-		    && (skb = dev_alloc_skb(pkt_len + 2)) != NULL) {
+		if (pkt_len < rx_copybreak &&
+		    (skb = dev_alloc_skb(pkt_len + 2)) != NULL) {
 			skb_reserve(skb, 2);	/* 16 byte align the IP header */
 			pci_dma_sync_single_for_cpu(np->pci_dev,
 						    np->rx_info[entry].mapping,
@@ -1793,8 +1793,8 @@ static void set_rx_mode(struct net_device *dev)
 
 	if (dev->flags & IFF_PROMISC) {	/* Set promiscuous. */
 		rx_mode |= AcceptAll;
-	} else if ((dev->mc_count > multicast_filter_limit)
-		   || (dev->flags & IFF_ALLMULTI)) {
+	} else if ((dev->mc_count > multicast_filter_limit) ||
+		   (dev->flags & IFF_ALLMULTI)) {
 		/* Too many to match, or accept all multicasts. */
 		rx_mode |= AcceptBroadcast|AcceptAllMulticast|PerfectFilter;
 	} else if (dev->mc_count <= 14) {
diff --git a/drivers/net/stmmac/stmmac_main.c b/drivers/net/stmmac/stmmac_main.c
index 40813f0b533..508fba8fa07 100644
--- a/drivers/net/stmmac/stmmac_main.c
+++ b/drivers/net/stmmac/stmmac_main.c
@@ -922,8 +922,7 @@ static void stmmac_dma_interrupt(struct net_device *dev)
 		DBG(intr, INFO, "CSR5[15] DMA ABNORMAL IRQ: ");
 		if (unlikely(intr_status & DMA_STATUS_UNF)) {
 			DBG(intr, INFO, "transmit underflow\n");
-			if (unlikely(tc != SF_DMA_MODE)
-			    && (tc <= 256)) {
+			if (unlikely(tc != SF_DMA_MODE) && (tc <= 256)) {
 				/* Try to bump up the threshold */
 				tc += 64;
 				priv->mac_type->ops->dma_mode(ioaddr, tc,
diff --git a/drivers/net/sundance.c b/drivers/net/sundance.c
index 5c396c2e6e7..d58e1891ca6 100644
--- a/drivers/net/sundance.c
+++ b/drivers/net/sundance.c
@@ -603,8 +603,8 @@ static int __devinit sundance_probe1 (struct pci_dev *pdev,
 			    strcmp (media[card_idx], "4") == 0) {
 				np->speed = 100;
 				np->mii_if.full_duplex = 1;
-			} else if (strcmp (media[card_idx], "100mbps_hd") == 0
-				   || strcmp (media[card_idx], "3") == 0) {
+			} else if (strcmp (media[card_idx], "100mbps_hd") == 0 ||
+				   strcmp (media[card_idx], "3") == 0) {
 				np->speed = 100;
 				np->mii_if.full_duplex = 0;
 			} else if (strcmp (media[card_idx], "10mbps_fd") == 0 ||
@@ -1079,8 +1079,8 @@ start_tx (struct sk_buff *skb, struct net_device *dev)
 	tasklet_schedule(&np->tx_tasklet);
 
 	/* On some architectures: explicitly flush cache lines here. */
-	if (np->cur_tx - np->dirty_tx < TX_QUEUE_LEN - 1
-			&& !netif_queue_stopped(dev)) {
+	if (np->cur_tx - np->dirty_tx < TX_QUEUE_LEN - 1 &&
+	    !netif_queue_stopped(dev)) {
 		/* do nothing */
 	} else {
 		netif_stop_queue (dev);
@@ -1336,8 +1336,8 @@ static void rx_poll(unsigned long data)
 #endif
 			/* Check if the packet is long enough to accept without copying
 			   to a minimally-sized skbuff. */
-			if (pkt_len < rx_copybreak
-				&& (skb = dev_alloc_skb(pkt_len + 2)) != NULL) {
+			if (pkt_len < rx_copybreak &&
+			    (skb = dev_alloc_skb(pkt_len + 2)) != NULL) {
 				skb_reserve(skb, 2);	/* 16 byte align the IP header */
 				pci_dma_sync_single_for_cpu(np->pci_dev,
 							    le32_to_cpu(desc->frag[0].addr),
@@ -1517,8 +1517,8 @@ static void set_rx_mode(struct net_device *dev)
 	if (dev->flags & IFF_PROMISC) {			/* Set promiscuous. */
 		memset(mc_filter, 0xff, sizeof(mc_filter));
 		rx_mode = AcceptBroadcast | AcceptMulticast | AcceptAll | AcceptMyPhys;
-	} else if ((dev->mc_count > multicast_filter_limit)
-			   ||  (dev->flags & IFF_ALLMULTI)) {
+	} else if ((dev->mc_count > multicast_filter_limit) ||
+		   (dev->flags & IFF_ALLMULTI)) {
 		/* Too many to match, or accept all multicasts. */
 		memset(mc_filter, 0xff, sizeof(mc_filter));
 		rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
diff --git a/drivers/net/sungem.h b/drivers/net/sungem.h
index f7a02917ce5..19905460def 100644
--- a/drivers/net/sungem.h
+++ b/drivers/net/sungem.h
@@ -1031,8 +1031,8 @@ struct gem {
 #endif
 };
 
-#define found_mii_phy(gp) ((gp->phy_type == phy_mii_mdio0 || gp->phy_type == phy_mii_mdio1) \
-				&& gp->phy_mii.def && gp->phy_mii.def->ops)
+#define found_mii_phy(gp) ((gp->phy_type == phy_mii_mdio0 || gp->phy_type == phy_mii_mdio1) && \
+			   gp->phy_mii.def && gp->phy_mii.def->ops)
 
 #define ALIGNED_RX_SKB_ADDR(addr) \
         ((((unsigned long)(addr) + (64UL - 1UL)) & ~(64UL - 1UL)) - (unsigned long)(addr))
diff --git a/drivers/net/sunhme.c b/drivers/net/sunhme.c
index 0970e1774d1..6762f1c6ec8 100644
--- a/drivers/net/sunhme.c
+++ b/drivers/net/sunhme.c
@@ -3056,9 +3056,9 @@ static int __devinit happy_meal_pci_probe(struct pci_dev *pdev,
 		int len;
 
 		if (qfe_slot != -1 &&
-		    (addr = of_get_property(dp,
-					    "local-mac-address", &len)) != NULL
-		    && len == 6) {
+		    (addr = of_get_property(dp, "local-mac-address", &len))
+			!= NULL &&
+		    len == 6) {
 			memcpy(dev->dev_addr, addr, 6);
 		} else {
 			memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
diff --git a/drivers/net/tehuti.c b/drivers/net/tehuti.c
index 2fbac31767f..80b404f2b93 100644
--- a/drivers/net/tehuti.c
+++ b/drivers/net/tehuti.c
@@ -1784,9 +1784,9 @@ static void bdx_tx_cleanup(struct bdx_priv *priv)
 	}
 #endif
 
-	if (unlikely(netif_queue_stopped(priv->ndev)
-		     && netif_carrier_ok(priv->ndev)
-		     && (priv->tx_level >= BDX_MIN_TX_LEVEL))) {
+	if (unlikely(netif_queue_stopped(priv->ndev) &&
+		     netif_carrier_ok(priv->ndev) &&
+		     (priv->tx_level >= BDX_MIN_TX_LEVEL))) {
 		DBG("%s: %s: TX Q WAKE level %d\n",
 		    BDX_DRV_NAME, priv->ndev->name, priv->tx_level);
 		netif_wake_queue(priv->ndev);
@@ -2273,8 +2273,8 @@ bdx_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ecoal)
 	    (((tx_max_coal * BDX_TXF_DESC_SZ) + PCK_TH_MULT - 1)
 	     / PCK_TH_MULT);
 
-	if ((rx_coal > 0x7FFF) || (tx_coal > 0x7FFF)
-	    || (rx_max_coal > 0xF) || (tx_max_coal > 0xF))
+	if ((rx_coal > 0x7FFF) || (tx_coal > 0x7FFF) ||
+	    (rx_max_coal > 0xF) || (tx_max_coal > 0xF))
 		return -EINVAL;
 
 	rdintcm = INT_REG_VAL(rx_coal, GET_INT_COAL_RC(priv->rdintcm),
@@ -2347,8 +2347,8 @@ bdx_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring)
 		tx_size = 3;
 
 	/*Is there anything to do? */
-	if ((rx_size == priv->rxf_size)
-	    && (tx_size == priv->txd_size))
+	if ((rx_size == priv->rxf_size) &&
+	    (tx_size == priv->txd_size))
 		return 0;
 
 	priv->rxf_size = rx_size;
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 302ea0b7b23..f845837e4aa 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -4621,13 +4621,12 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
 		len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) -
 		      ETH_FCS_LEN;
 
-		if (len > RX_COPY_THRESHOLD
-			&& tp->rx_offset == NET_IP_ALIGN
-			/* rx_offset will likely not equal NET_IP_ALIGN
-			 * if this is a 5701 card running in PCI-X mode
-			 * [see tg3_get_invariants()]
-			 */
-		) {
+		if (len > RX_COPY_THRESHOLD &&
+		    tp->rx_offset == NET_IP_ALIGN) {
+		    /* rx_offset will likely not equal NET_IP_ALIGN
+		     * if this is a 5701 card running in PCI-X mode
+		     * [see tg3_get_invariants()]
+		     */
 			int skb_size;
 
 			skb_size = tg3_alloc_rx_skb(tp, tpr, opaque_key,
diff --git a/drivers/net/tlan.c b/drivers/net/tlan.c
index 16f23f84920..fabaeffb315 100644
--- a/drivers/net/tlan.c
+++ b/drivers/net/tlan.c
@@ -1755,8 +1755,8 @@ static u32 TLan_HandleStatusCheck( struct net_device *dev, u16 host_int )
 			     ! ( tlphy_ctl & TLAN_TC_SWAPOL ) ) {
                 		tlphy_ctl |= TLAN_TC_SWAPOL;
                 		TLan_MiiWriteReg( dev, phy, TLAN_TLPHY_CTL, tlphy_ctl);
-        		} else if ( ( tlphy_sts & TLAN_TS_POLOK )
-				    && ( tlphy_ctl & TLAN_TC_SWAPOL ) ) {
+			} else if ( ( tlphy_sts & TLAN_TS_POLOK ) &&
+				    ( tlphy_ctl & TLAN_TC_SWAPOL ) ) {
                 		tlphy_ctl &= ~TLAN_TC_SWAPOL;
                 		TLan_MiiWriteReg( dev, phy, TLAN_TLPHY_CTL, tlphy_ctl);
         		}
diff --git a/drivers/net/tokenring/lanstreamer.c b/drivers/net/tokenring/lanstreamer.c
index 7b1fe9412b6..d6ccd59c7d0 100644
--- a/drivers/net/tokenring/lanstreamer.c
+++ b/drivers/net/tokenring/lanstreamer.c
@@ -712,8 +712,8 @@ static int streamer_open(struct net_device *dev)
 					strcat(open_error, " - ");
 					strcat(open_error, open_min_error[(error_code & 0x0f)]);
 
-					if (!streamer_priv->streamer_ring_speed
-					    && ((error_code & 0x0f) == 0x0d)) 
+					if (!streamer_priv->streamer_ring_speed &&
+					    ((error_code & 0x0f) == 0x0d))
 					{
 						printk(KERN_WARNING "%s: Tried to autosense ring speed with no monitors present\n", dev->name);
 						printk(KERN_WARNING "%s: Please try again with a specified ring speed \n", dev->name);
@@ -1032,8 +1032,8 @@ static irqreturn_t streamer_interrupt(int irq, void *dev_id)
 	sisr = readw(streamer_mmio + SISR);
 
 	while((sisr & (SISR_MI | SISR_SRB_REPLY | SISR_ADAPTER_CHECK | SISR_ASB_FREE | 
-		       SISR_ARB_CMD | SISR_TRB_REPLY | SISR_PAR_ERR | SISR_SERR_ERR))
-               && (max_intr > 0)) {
+		       SISR_ARB_CMD | SISR_TRB_REPLY | SISR_PAR_ERR | SISR_SERR_ERR)) &&
+	      (max_intr > 0)) {
 
 		if(sisr & SISR_PAR_ERR) {
 			writew(~SISR_PAR_ERR, streamer_mmio + SISR_RUM);
diff --git a/drivers/net/tokenring/smctr.c b/drivers/net/tokenring/smctr.c
index ebda61bc4c2..427a8970b6f 100644
--- a/drivers/net/tokenring/smctr.c
+++ b/drivers/net/tokenring/smctr.c
@@ -2309,9 +2309,9 @@ static irqreturn_t smctr_interrupt(int irq, void *dev_id)
                                 else
                                 {
                                         if((tp->acb_head->cmd
-                                                == ACB_CMD_READ_TRC_STATUS)
-                                                && (tp->acb_head->subcmd
-                                                == RW_TRC_STATUS_BLOCK))
+					    == ACB_CMD_READ_TRC_STATUS) &&
+					   (tp->acb_head->subcmd
+					    == RW_TRC_STATUS_BLOCK))
                                         {
                                                 if(tp->ptr_bcn_type)
                                                 {
@@ -2331,8 +2331,8 @@ static irqreturn_t smctr_interrupt(int irq, void *dev_id)
                                                         smctr_disable_16bit(dev);
                                                         err = smctr_ring_status_chg(dev);
                                                         smctr_enable_16bit(dev);
-                                                        if((tp->ring_status & REMOVE_RECEIVED)
-                                                                && (tp->config_word0 & NO_AUTOREMOVE))
+                                                        if((tp->ring_status & REMOVE_RECEIVED) &&
+							   (tp->config_word0 & NO_AUTOREMOVE))
                                                         {
                                                                 smctr_issue_remove_cmd(dev);
                                                         }
@@ -2511,9 +2511,9 @@ static int smctr_issue_init_timers_cmd(struct net_device *dev)
         tp->config_word0 = THDREN | DMA_TRIGGER | USETPT | NO_AUTOREMOVE;
         tp->config_word1 = 0;
 
-        if((tp->media_type == MEDIA_STP_16)
-                || (tp->media_type == MEDIA_UTP_16)
-                || (tp->media_type == MEDIA_STP_16_UTP_16))
+        if((tp->media_type == MEDIA_STP_16) ||
+	   (tp->media_type == MEDIA_UTP_16) ||
+	   (tp->media_type == MEDIA_STP_16_UTP_16))
         {
                 tp->config_word0 |= FREQ_16MB_BIT;
         }
@@ -2556,9 +2556,9 @@ static int smctr_issue_init_timers_cmd(struct net_device *dev)
                         tp->config_word1 &= ~SOURCE_ROUTING_SPANNING_BITS;
         }
 
-        if((tp->media_type == MEDIA_STP_16)
-                || (tp->media_type == MEDIA_UTP_16)
-                || (tp->media_type == MEDIA_STP_16_UTP_16))
+        if((tp->media_type == MEDIA_STP_16) ||
+	   (tp->media_type == MEDIA_UTP_16) ||
+	   (tp->media_type == MEDIA_STP_16_UTP_16))
         {
                 tp->config_word1 |= INTERFRAME_SPACING_16;
         }
@@ -2568,9 +2568,9 @@ static int smctr_issue_init_timers_cmd(struct net_device *dev)
         *pTimer_Struc++ = tp->config_word0;
         *pTimer_Struc++ = tp->config_word1;
 
-        if((tp->media_type == MEDIA_STP_4)
-                || (tp->media_type == MEDIA_UTP_4)
-                || (tp->media_type == MEDIA_STP_4_UTP_4))
+        if((tp->media_type == MEDIA_STP_4) ||
+	   (tp->media_type == MEDIA_UTP_4) ||
+	   (tp->media_type == MEDIA_STP_4_UTP_4))
         {
                 *pTimer_Struc++ = 0x00FA;       /* prescale */
                 *pTimer_Struc++ = 0x2710;       /* TPT_limit */
@@ -2990,8 +2990,8 @@ static int smctr_load_firmware(struct net_device *dev)
 	}
 
         /* Verify the firmware exists and is there in the right amount. */
-        if (!fw->data
-                || (*(fw->data + UCODE_VERSION_OFFSET) < UCODE_VERSION))
+        if (!fw->data ||
+	    (*(fw->data + UCODE_VERSION_OFFSET) < UCODE_VERSION))
         {
                 err = (UCODE_NOT_PRESENT);
 		goto out;
@@ -3010,9 +3010,8 @@ static int smctr_load_firmware(struct net_device *dev)
         smctr_enable_16bit(dev);
         smctr_set_page(dev, (__u8 *)tp->ram_access);
 
-        if((smctr_checksum_firmware(dev))
-                || (*(fw->data + UCODE_VERSION_OFFSET)
-                > tp->microcode_version))
+        if((smctr_checksum_firmware(dev)) ||
+	   (*(fw->data + UCODE_VERSION_OFFSET) > tp->microcode_version))
         {
                 smctr_enable_adapter_ctrl_store(dev);
 
@@ -3117,9 +3116,9 @@ static int smctr_lobe_media_test(struct net_device *dev)
         }
 
         /* Check if any frames received during test. */
-        if((tp->rx_fcb_curr[MAC_QUEUE]->frame_status)
-                || (tp->rx_fcb_curr[NON_MAC_QUEUE]->frame_status))
-			goto err;
+        if((tp->rx_fcb_curr[MAC_QUEUE]->frame_status) ||
+	   (tp->rx_fcb_curr[NON_MAC_QUEUE]->frame_status))
+		goto err;
 
         /* Set receive mask to "Promisc" mode. */
         tp->receive_mask = saved_rcv_mask;
@@ -3303,8 +3302,8 @@ static int smctr_make_group_addr(struct net_device *dev, MAC_SUB_VECTOR *tsv)
         /* Set Group Address Sub-vector to all zeros if only the
          * Group Address/Functional Address Indicator is set.
          */
-        if(tsv->svv[0] == 0x80 && tsv->svv[1] == 0x00
-        	&& tsv->svv[2] == 0x00 && tsv->svv[3] == 0x00)
+        if(tsv->svv[0] == 0x80 && tsv->svv[1] == 0x00 &&
+	   tsv->svv[2] == 0x00 && tsv->svv[3] == 0x00)
                 tsv->svv[0] = 0x00;
 
         return (0);
@@ -3876,10 +3875,10 @@ static int smctr_process_rx_packet(MAC_HEADER *rmf, __u16 size,
         /* NOTE: UNKNOWN MAC frames will NOT be passed up unless
          * ACCEPT_ATT_MAC_FRAMES is set.
          */
-        if(((tp->receive_mask & ACCEPT_ATT_MAC_FRAMES)
-                && (xframe == (__u8)0))
-                || ((tp->receive_mask & ACCEPT_EXT_MAC_FRAMES)
-                && (xframe == (__u8)1)))
+        if(((tp->receive_mask & ACCEPT_ATT_MAC_FRAMES) &&
+	    (xframe == (__u8)0)) ||
+	   ((tp->receive_mask & ACCEPT_EXT_MAC_FRAMES) &&
+	    (xframe == (__u8)1)))
         {
                 rmf->vl = SWAP_BYTES(rmf->vl);
 
@@ -3934,8 +3933,8 @@ static int smctr_ram_memory_test(struct net_device *dev)
 
                 word_pattern = start_pattern;
 
-                for(j = 1; j < (__u32)(tp->ram_usable * 1024) - 1
-                        && (~err); j += 2, word_pattern++)
+                for(j = 1; j < (__u32)(tp->ram_usable * 1024) - 1 && (~err);
+		    j += 2, word_pattern++)
                 {
                         word_read = *(__u16 *)(pword + j);
                         if(word_read != word_pattern)
@@ -3959,8 +3958,7 @@ static int smctr_ram_memory_test(struct net_device *dev)
                 for(j = 0; j < (__u32)tp->ram_usable * 1024; j +=2)
                         *(__u16 *)(pword + j) = word_pattern;
 
-                for(j =0; j < (__u32)tp->ram_usable * 1024
-                        && (~err); j += 2)
+                for(j =0; j < (__u32)tp->ram_usable * 1024 && (~err); j += 2)
                 {
                         word_read = *(__u16 *)(pword + j);
                         if(word_read != word_pattern)
@@ -4325,8 +4323,8 @@ static int smctr_restart_tx_chain(struct net_device *dev, short queue)
         if(smctr_debug > 10)
                 printk(KERN_DEBUG "%s: smctr_restart_tx_chain\n", dev->name);
 
-        if(tp->num_tx_fcbs_used[queue] != 0
-                && tp->tx_queue_status[queue] == NOT_TRANSMITING)
+        if(tp->num_tx_fcbs_used[queue] != 0 &&
+	   tp->tx_queue_status[queue] == NOT_TRANSMITING)
         {
                 tp->tx_queue_status[queue] = TRANSMITING;
                 err = smctr_issue_resume_tx_fcb_cmd(dev, queue);
@@ -4349,8 +4347,8 @@ static int smctr_ring_status_chg(struct net_device *dev)
          */
         if(tp->ring_status_flags == MONITOR_STATE_CHANGED)
         {
-                if((tp->monitor_state == MS_ACTIVE_MONITOR_STATE)
-                        || (tp->monitor_state == MS_STANDBY_MONITOR_STATE))
+                if((tp->monitor_state == MS_ACTIVE_MONITOR_STATE) ||
+		   (tp->monitor_state == MS_STANDBY_MONITOR_STATE))
                 {
                         tp->monitor_state_ready = 1;
                 }
@@ -4363,8 +4361,8 @@ static int smctr_ring_status_chg(struct net_device *dev)
                         tp->monitor_state_ready = 0;
 
 			/* Ring speed problem, switching to auto mode. */
-			if(tp->monitor_state == MS_MONITOR_FSM_INACTIVE
-				&& !tp->cleanup)
+			if(tp->monitor_state == MS_MONITOR_FSM_INACTIVE &&
+			   !tp->cleanup)
 			{
 				printk(KERN_INFO "%s: Incorrect ring speed switching.\n",
 					dev->name);
@@ -4442,8 +4440,8 @@ static int smctr_rx_frame(struct net_device *dev)
         {
                 err = HARDWARE_FAILED;
 
-                if(((status & 0x007f) == 0)
-                        || ((tp->receive_mask & ACCEPT_ERR_PACKETS) != 0))
+                if(((status & 0x007f) == 0) ||
+		   ((tp->receive_mask & ACCEPT_ERR_PACKETS) != 0))
                 {
                         /* frame length less the CRC (4 bytes) + FS (1 byte) */
                         rx_size = tp->rx_fcb_curr[queue]->frame_length - 5;
@@ -4538,8 +4536,8 @@ static int smctr_send_dat(struct net_device *dev)
         }
 
         /* Check if GOOD frame Tx'ed. */
-        if(!(fcb->frame_status &  FCB_COMMAND_DONE)
-                || fcb->frame_status & (FCB_TX_STATUS_E | FCB_TX_AC_BITS))
+        if(!(fcb->frame_status &  FCB_COMMAND_DONE) ||
+	   fcb->frame_status & (FCB_TX_STATUS_E | FCB_TX_AC_BITS))
         {
                 return (INITIALIZE_FAILED);
         }
@@ -4653,8 +4651,8 @@ static int smctr_send_lobe_media_test(struct net_device *dev)
         }
 
         /* Check if GOOD frame Tx'ed */
-        if(!(fcb->frame_status & FCB_COMMAND_DONE)
-                || fcb->frame_status & (FCB_TX_STATUS_E | FCB_TX_AC_BITS))
+        if(!(fcb->frame_status & FCB_COMMAND_DONE) ||
+	   fcb->frame_status & (FCB_TX_STATUS_E | FCB_TX_AC_BITS))
         {
                 return (LOBE_MEDIA_TEST_FAILED);
         }
diff --git a/drivers/net/tokenring/tms380tr.c b/drivers/net/tokenring/tms380tr.c
index fa152144aac..e3c42f5ac4a 100644
--- a/drivers/net/tokenring/tms380tr.c
+++ b/drivers/net/tokenring/tms380tr.c
@@ -729,8 +729,8 @@ static void tms380tr_timer_chk(unsigned long data)
 		return;
 
 	tms380tr_chk_outstanding_cmds(dev);
-	if(time_before(tp->LastSendTime + SEND_TIMEOUT, jiffies)
-		&& (tp->TplFree != tp->TplBusy))
+	if(time_before(tp->LastSendTime + SEND_TIMEOUT, jiffies) &&
+	   (tp->TplFree != tp->TplBusy))
 	{
 		/* Anything to send, but stalled too long */
 		tp->LastSendTime = jiffies;
@@ -830,8 +830,8 @@ irqreturn_t tms380tr_interrupt(int irq, void *dev_id)
 		}
 
 		/* Reset system interrupt if not already done. */
-		if(irq_type != STS_IRQ_TRANSMIT_STATUS
-			&& irq_type != STS_IRQ_RECEIVE_STATUS) {
+		if(irq_type != STS_IRQ_TRANSMIT_STATUS &&
+		   irq_type != STS_IRQ_RECEIVE_STATUS) {
 			tms380tr_reset_interrupt(dev);
 		}
 
@@ -895,10 +895,10 @@ static unsigned char tms380tr_chk_ssb(struct net_local *tp, unsigned short IrqTy
 
 	/* Check if this interrupt does use the SSB. */
 
-	if(IrqType != STS_IRQ_TRANSMIT_STATUS
-		&& IrqType != STS_IRQ_RECEIVE_STATUS
-		&& IrqType != STS_IRQ_COMMAND_STATUS
-		&& IrqType != STS_IRQ_RING_STATUS)
+	if(IrqType != STS_IRQ_TRANSMIT_STATUS &&
+	   IrqType != STS_IRQ_RECEIVE_STATUS &&
+	   IrqType != STS_IRQ_COMMAND_STATUS &&
+	   IrqType != STS_IRQ_RING_STATUS)
 	{
 		return (1);	/* SSB not involved. */
 	}
@@ -1485,8 +1485,8 @@ static int tms380tr_init_adapter(struct net_device *dev)
 			/* Mask interesting status bits */
 			Status = SIFREADW(SIFSTS);
 			Status &= STS_MASK;
-		} while(((Status &(STS_INITIALIZE | STS_ERROR | STS_TEST)) != 0)
-			&& ((Status & STS_ERROR) == 0) && (loop_cnt != 0));
+		} while(((Status &(STS_INITIALIZE | STS_ERROR | STS_TEST)) != 0) &&
+			((Status & STS_ERROR) == 0) && (loop_cnt != 0));
 
 		if((Status & (STS_INITIALIZE | STS_ERROR | STS_TEST)) == 0)
 		{
@@ -2183,8 +2183,8 @@ static void tms380tr_rcv_status_irq(struct net_device *dev)
 				}
 			}
 
-			if(skb && (rpl->SkbStat == SKB_DATA_COPY
-				|| rpl->SkbStat == SKB_DMA_DIRECT))
+			if(skb && (rpl->SkbStat == SKB_DATA_COPY ||
+				   rpl->SkbStat == SKB_DMA_DIRECT))
 			{
 				if(rpl->SkbStat == SKB_DATA_COPY)
 					skb_copy_to_linear_data(skb, ReceiveDataPtr,
diff --git a/drivers/net/tulip/21142.c b/drivers/net/tulip/21142.c
index db7d5e11855..9f6742fad6c 100644
--- a/drivers/net/tulip/21142.c
+++ b/drivers/net/tulip/21142.c
@@ -209,10 +209,10 @@ void t21142_lnk_change(struct net_device *dev, int csr5)
 			printk(KERN_DEBUG "%s:  Setting CSR6 %8.8x/%x CSR12 %8.8x.\n",
 				   dev->name, tp->csr6, ioread32(ioaddr + CSR6),
 				   ioread32(ioaddr + CSR12));
-	} else if ((tp->nwayset  &&  (csr5 & 0x08000000)
-				&& (dev->if_port == 3  ||  dev->if_port == 5)
-				&& (csr12 & 2) == 2) ||
-			   (tp->nway && (csr5 & (TPLnkFail)))) {
+	} else if ((tp->nwayset  &&  (csr5 & 0x08000000) &&
+		    (dev->if_port == 3  ||  dev->if_port == 5) &&
+		    (csr12 & 2) == 2) ||
+		   (tp->nway && (csr5 & (TPLnkFail)))) {
 		/* Link blew? Maybe restart NWay. */
 		del_timer_sync(&tp->timer);
 		t21142_start_nway(dev);
diff --git a/drivers/net/tulip/de2104x.c b/drivers/net/tulip/de2104x.c
index 74e5ba42d38..d4255d44cb7 100644
--- a/drivers/net/tulip/de2104x.c
+++ b/drivers/net/tulip/de2104x.c
@@ -62,9 +62,9 @@ module_param (debug, int, 0);
 MODULE_PARM_DESC (debug, "de2104x bitmapped message enable number");
 
 /* Set the copy breakpoint for the copy-only-tiny-buffer Rx structure. */
-#if defined(__alpha__) || defined(__arm__) || defined(__hppa__) \
-        || defined(CONFIG_SPARC) || defined(__ia64__) \
-        || defined(__sh__) || defined(__mips__)
+#if defined(__alpha__) || defined(__arm__) || defined(__hppa__) || \
+        defined(CONFIG_SPARC) || defined(__ia64__) ||		   \
+        defined(__sh__) || defined(__mips__)
 static int rx_copybreak = 1518;
 #else
 static int rx_copybreak = 100;
diff --git a/drivers/net/tulip/eeprom.c b/drivers/net/tulip/eeprom.c
index 391acd32a6a..889f57aae89 100644
--- a/drivers/net/tulip/eeprom.c
+++ b/drivers/net/tulip/eeprom.c
@@ -174,10 +174,10 @@ void __devinit tulip_parse_eeprom(struct net_device *dev)
 		}
 	  /* Do a fix-up based on the vendor half of the station address prefix. */
 	  for (i = 0; eeprom_fixups[i].name; i++) {
-		if (dev->dev_addr[0] == eeprom_fixups[i].addr0
-			&&  dev->dev_addr[1] == eeprom_fixups[i].addr1
-			&&  dev->dev_addr[2] == eeprom_fixups[i].addr2) {
-		  if (dev->dev_addr[2] == 0xE8  &&  ee_data[0x1a] == 0x55)
+		  if (dev->dev_addr[0] == eeprom_fixups[i].addr0 &&
+		      dev->dev_addr[1] == eeprom_fixups[i].addr1 &&
+		      dev->dev_addr[2] == eeprom_fixups[i].addr2) {
+		  if (dev->dev_addr[2] == 0xE8 && ee_data[0x1a] == 0x55)
 			  i++;			/* An Accton EN1207, not an outlaw Maxtech. */
 		  memcpy(ee_data + 26, eeprom_fixups[i].newtable,
 				 sizeof(eeprom_fixups[i].newtable));
diff --git a/drivers/net/tulip/interrupt.c b/drivers/net/tulip/interrupt.c
index c8d220cf2cc..2e8e8ee893c 100644
--- a/drivers/net/tulip/interrupt.c
+++ b/drivers/net/tulip/interrupt.c
@@ -170,8 +170,8 @@ int tulip_poll(struct napi_struct *napi, int budget)
 				      RxDescCollisionSeen |
 				      RxDescRunt |
 				      RxDescDescErr |
-				      RxWholePkt)) != RxWholePkt
-			   || pkt_len > 1518) {
+				      RxWholePkt)) != RxWholePkt ||
+			   pkt_len > 1518) {
 			       if ((status & (RxLengthOver2047 |
 					      RxWholePkt)) != RxWholePkt) {
                                 /* Ingore earlier buffers. */
@@ -201,8 +201,8 @@ int tulip_poll(struct napi_struct *napi, int budget)
 
                                /* Check if the packet is long enough to accept without copying
                                   to a minimally-sized skbuff. */
-                               if (pkt_len < tulip_rx_copybreak
-                                   && (skb = dev_alloc_skb(pkt_len + 2)) != NULL) {
+                               if (pkt_len < tulip_rx_copybreak &&
+                                   (skb = dev_alloc_skb(pkt_len + 2)) != NULL) {
                                        skb_reserve(skb, 2);    /* 16 byte align the IP header */
                                        pci_dma_sync_single_for_cpu(tp->pdev,
 								   tp->rx_buffers[entry].mapping,
@@ -395,8 +395,8 @@ static int tulip_rx(struct net_device *dev)
 			       RxDescCollisionSeen |
 			       RxDescRunt |
 			       RxDescDescErr |
-			       RxWholePkt))        != RxWholePkt
-		     || pkt_len > 1518) {
+			       RxWholePkt))        != RxWholePkt ||
+		    pkt_len > 1518) {
 			if ((status & (RxLengthOver2047 |
 			     RxWholePkt))         != RxWholePkt) {
 				/* Ingore earlier buffers. */
@@ -425,8 +425,8 @@ static int tulip_rx(struct net_device *dev)
 
 			/* Check if the packet is long enough to accept without copying
 			   to a minimally-sized skbuff. */
-			if (pkt_len < tulip_rx_copybreak
-				&& (skb = dev_alloc_skb(pkt_len + 2)) != NULL) {
+			if (pkt_len < tulip_rx_copybreak &&
+			    (skb = dev_alloc_skb(pkt_len + 2)) != NULL) {
 				skb_reserve(skb, 2);	/* 16 byte align the IP header */
 				pci_dma_sync_single_for_cpu(tp->pdev,
 							    tp->rx_buffers[entry].mapping,
diff --git a/drivers/net/tulip/media.c b/drivers/net/tulip/media.c
index daddfa51853..d8fda83705b 100644
--- a/drivers/net/tulip/media.c
+++ b/drivers/net/tulip/media.c
@@ -468,8 +468,8 @@ void __devinit tulip_find_mii (struct net_device *dev, int board_idx)
 		int phy = phyn & 0x1f;
 		int mii_status = tulip_mdio_read (dev, phy, MII_BMSR);
 		if ((mii_status & 0x8301) == 0x8001 ||
-		    ((mii_status & BMSR_100BASE4) == 0
-		     && (mii_status & 0x7800) != 0)) {
+		    ((mii_status & BMSR_100BASE4) == 0 &&
+		     (mii_status & 0x7800) != 0)) {
 			/* preserve Becker logic, gain indentation level */
 		} else {
 			continue;
diff --git a/drivers/net/tulip/pnic2.c b/drivers/net/tulip/pnic2.c
index f49579128fb..d8418694bf4 100644
--- a/drivers/net/tulip/pnic2.c
+++ b/drivers/net/tulip/pnic2.c
@@ -316,9 +316,9 @@ void pnic2_lnk_change(struct net_device *dev, int csr5)
 		}
 	}
 
-	if ((tp->nwayset  &&  (csr5 & 0x08000000)
-			  && (dev->if_port == 3  ||  dev->if_port == 5)
-			  && (csr12 & 2) == 2) || (tp->nway && (csr5 & (TPLnkFail)))) {
+	if ((tp->nwayset  &&  (csr5 & 0x08000000) &&
+	     (dev->if_port == 3  ||  dev->if_port == 5) &&
+	     (csr12 & 2) == 2) || (tp->nway && (csr5 & (TPLnkFail)))) {
 
 		/* Link blew? Maybe restart NWay. */
 
diff --git a/drivers/net/tulip/tulip_core.c b/drivers/net/tulip/tulip_core.c
index 0df983bc03a..0fa3140d65b 100644
--- a/drivers/net/tulip/tulip_core.c
+++ b/drivers/net/tulip/tulip_core.c
@@ -64,9 +64,9 @@ const char * const medianame[32] = {
 };
 
 /* Set the copy breakpoint for the copy-only-tiny-buffer Rx structure. */
-#if defined(__alpha__) || defined(__arm__) || defined(__hppa__) \
-	|| defined(CONFIG_SPARC) || defined(__ia64__) \
-	|| defined(__sh__) || defined(__mips__)
+#if defined(__alpha__) || defined(__arm__) || defined(__hppa__) || \
+	defined(CONFIG_SPARC) || defined(__ia64__) || \
+	defined(__sh__) || defined(__mips__)
 static int rx_copybreak = 1518;
 #else
 static int rx_copybreak = 100;
@@ -449,8 +449,8 @@ media_picked:
 			iowrite32(0x0201B078, ioaddr + 0xB8);
 			next_tick = 1*HZ;
 		}
-	} else if ((tp->chip_id == MX98713 || tp->chip_id == COMPEX9881)
-			   && ! tp->medialock) {
+	} else if ((tp->chip_id == MX98713 || tp->chip_id == COMPEX9881) &&
+		   ! tp->medialock) {
 		dev->if_port = 0;
 		tp->csr6 = 0x01880000 | (tp->full_duplex ? 0x0200 : 0);
 		iowrite32(0x0f370000 | ioread16(ioaddr + 0x80), ioaddr + 0x80);
@@ -535,9 +535,9 @@ static void tulip_tx_timeout(struct net_device *dev)
 		if (tulip_debug > 1)
 			printk(KERN_WARNING "%s: Transmit timeout using MII device.\n",
 				   dev->name);
-	} else if (tp->chip_id == DC21140 || tp->chip_id == DC21142
-			   || tp->chip_id == MX98713 || tp->chip_id == COMPEX9881
-			   || tp->chip_id == DM910X) {
+	} else if (tp->chip_id == DC21140 || tp->chip_id == DC21142 ||
+		   tp->chip_id == MX98713 || tp->chip_id == COMPEX9881 ||
+		   tp->chip_id == DM910X) {
 		printk(KERN_WARNING "%s: 21140 transmit timed out, status %8.8x, "
 			   "SIA %8.8x %8.8x %8.8x %8.8x, resetting...\n",
 			   dev->name, ioread32(ioaddr + CSR5), ioread32(ioaddr + CSR12),
@@ -1538,8 +1538,10 @@ static int __devinit tulip_init_one (struct pci_dev *pdev,
 		}
 	}
 	/* Lite-On boards have the address byte-swapped. */
-	if ((dev->dev_addr[0] == 0xA0  ||  dev->dev_addr[0] == 0xC0 || dev->dev_addr[0] == 0x02)
-		&&  dev->dev_addr[1] == 0x00)
+	if ((dev->dev_addr[0] == 0xA0 ||
+	     dev->dev_addr[0] == 0xC0 ||
+	     dev->dev_addr[0] == 0x02) &&
+	    dev->dev_addr[1] == 0x00)
 		for (i = 0; i < 6; i+=2) {
 			char tmp = dev->dev_addr[i];
 			dev->dev_addr[i] = dev->dev_addr[i+1];
diff --git a/drivers/net/tulip/winbond-840.c b/drivers/net/tulip/winbond-840.c
index 1a52729c946..869a7a0005f 100644
--- a/drivers/net/tulip/winbond-840.c
+++ b/drivers/net/tulip/winbond-840.c
@@ -1230,8 +1230,8 @@ static int netdev_rx(struct net_device *dev)
 #endif
 			/* Check if the packet is long enough to accept without copying
 			   to a minimally-sized skbuff. */
-			if (pkt_len < rx_copybreak
-				&& (skb = dev_alloc_skb(pkt_len + 2)) != NULL) {
+			if (pkt_len < rx_copybreak &&
+			    (skb = dev_alloc_skb(pkt_len + 2)) != NULL) {
 				skb_reserve(skb, 2);	/* 16 byte align the IP header */
 				pci_dma_sync_single_for_cpu(np->pci_dev,np->rx_addr[entry],
 							    np->rx_skbuff[entry]->len,
@@ -1357,8 +1357,8 @@ static u32 __set_rx_mode(struct net_device *dev)
 		memset(mc_filter, 0xff, sizeof(mc_filter));
 		rx_mode = RxAcceptBroadcast | AcceptMulticast | RxAcceptAllPhys
 			| AcceptMyPhys;
-	} else if ((dev->mc_count > multicast_filter_limit)
-			   ||  (dev->flags & IFF_ALLMULTI)) {
+	} else if ((dev->mc_count > multicast_filter_limit) ||
+		   (dev->flags & IFF_ALLMULTI)) {
 		/* Too many to match, or accept all multicasts. */
 		memset(mc_filter, 0xff, sizeof(mc_filter));
 		rx_mode = RxAcceptBroadcast | AcceptMulticast | AcceptMyPhys;
diff --git a/drivers/net/typhoon.c b/drivers/net/typhoon.c
index 079a97000e5..39f1fc650be 100644
--- a/drivers/net/typhoon.c
+++ b/drivers/net/typhoon.c
@@ -1769,8 +1769,8 @@ typhoon_rx(struct typhoon *tp, struct basic_ring *rxRing, volatile __le32 * read
 		csum_bits = rx->rxStatus & (TYPHOON_RX_IP_CHK_GOOD |
 			TYPHOON_RX_UDP_CHK_GOOD | TYPHOON_RX_TCP_CHK_GOOD);
 		if(csum_bits ==
-		   (TYPHOON_RX_IP_CHK_GOOD | TYPHOON_RX_TCP_CHK_GOOD)
-		   || csum_bits ==
+		   (TYPHOON_RX_IP_CHK_GOOD | TYPHOON_RX_TCP_CHK_GOOD) ||
+		   csum_bits ==
 		   (TYPHOON_RX_IP_CHK_GOOD | TYPHOON_RX_UDP_CHK_GOOD)) {
 			new_skb->ip_summed = CHECKSUM_UNNECESSARY;
 		} else
diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c
index 4469f2451a6..9f44c99777a 100644
--- a/drivers/net/ucc_geth.c
+++ b/drivers/net/ucc_geth.c
@@ -1306,8 +1306,8 @@ static int init_max_rx_buff_len(u16 max_rx_buf_len,
 				u16 __iomem *mrblr_register)
 {
 	/* max_rx_buf_len value must be a multiple of 128 */
-	if ((max_rx_buf_len == 0)
-	    || (max_rx_buf_len % UCC_GETH_MRBLR_ALIGNMENT))
+	if ((max_rx_buf_len == 0) ||
+	    (max_rx_buf_len % UCC_GETH_MRBLR_ALIGNMENT))
 		return -EINVAL;
 
 	out_be16(mrblr_register, max_rx_buf_len);
@@ -2159,8 +2159,8 @@ static int ucc_struct_init(struct ucc_geth_private *ugeth)
 	}
 
 	if ((ug_info->numStationAddresses !=
-	     UCC_GETH_NUM_OF_STATION_ADDRESSES_1)
-	    && ug_info->rxExtendedFiltering) {
+	     UCC_GETH_NUM_OF_STATION_ADDRESSES_1) &&
+	    ug_info->rxExtendedFiltering) {
 		if (netif_msg_probe(ugeth))
 			ugeth_err("%s: Number of station addresses greater than 1 "
 				  "not allowed in extended parsing mode.",
@@ -2284,9 +2284,9 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth)
 	     UCC_GETH_NUM_OF_STATION_ADDRESSES_1);
 
 	ugeth->rx_extended_features = ugeth->rx_non_dynamic_extended_features ||
-	    (ug_info->vlanOperationTagged != UCC_GETH_VLAN_OPERATION_TAGGED_NOP)
-	    || (ug_info->vlanOperationNonTagged !=
-		UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP);
+		(ug_info->vlanOperationTagged != UCC_GETH_VLAN_OPERATION_TAGGED_NOP) ||
+		(ug_info->vlanOperationNonTagged !=
+		 UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP);
 
 	init_default_reg_vals(&uf_regs->upsmr,
 			      &ug_regs->maccfg1, &ug_regs->maccfg2);
@@ -2987,11 +2987,11 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth)
 	ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
 	    ugeth->rx_glbl_pram_offset | ug_info->riscRx;
 	if ((ug_info->largestexternallookupkeysize !=
-	     QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE)
-	    && (ug_info->largestexternallookupkeysize !=
-		QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
-	    && (ug_info->largestexternallookupkeysize !=
-		QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_16_BYTES)) {
+	     QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE) &&
+	    (ug_info->largestexternallookupkeysize !=
+	     QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_8_BYTES) &&
+	    (ug_info->largestexternallookupkeysize !=
+	     QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_16_BYTES)) {
 		if (netif_msg_ifup(ugeth))
 			ugeth_err("%s: Invalid largest External Lookup Key Size.",
 				  __func__);
diff --git a/drivers/net/usb/asix.c b/drivers/net/usb/asix.c
index 1bef39a60a6..a516185cbc9 100644
--- a/drivers/net/usb/asix.c
+++ b/drivers/net/usb/asix.c
@@ -365,8 +365,8 @@ static struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
 
 	padlen = ((skb->len + 4) % 512) ? 0 : 4;
 
-	if ((!skb_cloned(skb))
-	    && ((headroom + tailroom) >= (4 + padlen))) {
+	if ((!skb_cloned(skb)) &&
+	    ((headroom + tailroom) >= (4 + padlen))) {
 		if ((headroom < 4) || (tailroom < padlen)) {
 			skb->data = memmove(skb->head + 4, skb->data, skb->len);
 			skb_set_tail_pointer(skb, skb->len);
@@ -541,8 +541,8 @@ static void asix_set_multicast(struct net_device *net)
 
 	if (net->flags & IFF_PROMISC) {
 		rx_ctl |= AX_RX_CTL_PRO;
-	} else if (net->flags & IFF_ALLMULTI
-		   || net->mc_count > AX_MAX_MCAST) {
+	} else if (net->flags & IFF_ALLMULTI ||
+		   net->mc_count > AX_MAX_MCAST) {
 		rx_ctl |= AX_RX_CTL_AMALL;
 	} else if (net->mc_count == 0) {
 		/* just broadcast and directed */
@@ -753,8 +753,8 @@ static void ax88172_set_multicast(struct net_device *net)
 
 	if (net->flags & IFF_PROMISC) {
 		rx_ctl |= 0x01;
-	} else if (net->flags & IFF_ALLMULTI
-		   || net->mc_count > AX_MAX_MCAST) {
+	} else if (net->flags & IFF_ALLMULTI ||
+		   net->mc_count > AX_MAX_MCAST) {
 		rx_ctl |= 0x02;
 	} else if (net->mc_count == 0) {
 		/* just broadcast and directed */
diff --git a/drivers/net/usb/catc.c b/drivers/net/usb/catc.c
index 2bed6b087d1..22b87e64a81 100644
--- a/drivers/net/usb/catc.c
+++ b/drivers/net/usb/catc.c
@@ -436,8 +436,8 @@ static netdev_tx_t catc_start_xmit(struct sk_buff *skb,
 			clear_bit(TX_RUNNING, &catc->flags);
 	}
 
-	if ((catc->is_f5u011 && catc->tx_ptr)
-	     || (catc->tx_ptr >= ((TX_MAX_BURST - 1) * (PKT_SZ + 2))))
+	if ((catc->is_f5u011 && catc->tx_ptr) ||
+	    (catc->tx_ptr >= ((TX_MAX_BURST - 1) * (PKT_SZ + 2))))
 		netif_stop_queue(netdev);
 
 	spin_unlock_irqrestore(&catc->tx_lock, flags);
diff --git a/drivers/net/usb/cdc-phonet.c b/drivers/net/usb/cdc-phonet.c
index 33d5c579c5a..6491c9c00c8 100644
--- a/drivers/net/usb/cdc-phonet.c
+++ b/drivers/net/usb/cdc-phonet.c
@@ -372,12 +372,12 @@ int usbpn_probe(struct usb_interface *intf, const struct usb_device_id *id)
 	/* Data interface has one inactive and one active setting */
 	if (data_intf->num_altsetting != 2)
 		return -EINVAL;
-	if (data_intf->altsetting[0].desc.bNumEndpoints == 0
-	 && data_intf->altsetting[1].desc.bNumEndpoints == 2)
+	if (data_intf->altsetting[0].desc.bNumEndpoints == 0 &&
+	    data_intf->altsetting[1].desc.bNumEndpoints == 2)
 		data_desc = data_intf->altsetting + 1;
 	else
-	if (data_intf->altsetting[0].desc.bNumEndpoints == 2
-	 && data_intf->altsetting[1].desc.bNumEndpoints == 0)
+	if (data_intf->altsetting[0].desc.bNumEndpoints == 2 &&
+	    data_intf->altsetting[1].desc.bNumEndpoints == 0)
 		data_desc = data_intf->altsetting;
 	else
 		return -EINVAL;
diff --git a/drivers/net/usb/cdc_eem.c b/drivers/net/usb/cdc_eem.c
index 23300656c26..c337ffc3304 100644
--- a/drivers/net/usb/cdc_eem.c
+++ b/drivers/net/usb/cdc_eem.c
@@ -121,8 +121,8 @@ static struct sk_buff *eem_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
 		int	headroom = skb_headroom(skb);
 		int	tailroom = skb_tailroom(skb);
 
-		if ((tailroom >= ETH_FCS_LEN + padlen)
-				&& (headroom >= EEM_HEAD))
+		if ((tailroom >= ETH_FCS_LEN + padlen) &&
+		    (headroom >= EEM_HEAD))
 			goto done;
 
 		if ((headroom + tailroom)
diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index 7ec24c9b253..de3e3659677 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -37,23 +37,23 @@
 
 static int is_rndis(struct usb_interface_descriptor *desc)
 {
-	return desc->bInterfaceClass == USB_CLASS_COMM
-		&& desc->bInterfaceSubClass == 2
-		&& desc->bInterfaceProtocol == 0xff;
+	return (desc->bInterfaceClass == USB_CLASS_COMM &&
+		desc->bInterfaceSubClass == 2 &&
+		desc->bInterfaceProtocol == 0xff);
 }
 
 static int is_activesync(struct usb_interface_descriptor *desc)
 {
-	return desc->bInterfaceClass == USB_CLASS_MISC
-		&& desc->bInterfaceSubClass == 1
-		&& desc->bInterfaceProtocol == 1;
+	return (desc->bInterfaceClass == USB_CLASS_MISC &&
+		desc->bInterfaceSubClass == 1 &&
+		desc->bInterfaceProtocol == 1);
 }
 
 static int is_wireless_rndis(struct usb_interface_descriptor *desc)
 {
-	return desc->bInterfaceClass == USB_CLASS_WIRELESS_CONTROLLER
-		&& desc->bInterfaceSubClass == 1
-		&& desc->bInterfaceProtocol == 3;
+	return (desc->bInterfaceClass == USB_CLASS_WIRELESS_CONTROLLER &&
+		desc->bInterfaceSubClass == 1 &&
+		desc->bInterfaceProtocol == 3);
 }
 
 #else
@@ -116,9 +116,9 @@ int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf)
 	/* this assumes that if there's a non-RNDIS vendor variant
 	 * of cdc-acm, it'll fail RNDIS requests cleanly.
 	 */
-	rndis = is_rndis(&intf->cur_altsetting->desc)
-		|| is_activesync(&intf->cur_altsetting->desc)
-		|| is_wireless_rndis(&intf->cur_altsetting->desc);
+	rndis = (is_rndis(&intf->cur_altsetting->desc) ||
+		 is_activesync(&intf->cur_altsetting->desc) ||
+		 is_wireless_rndis(&intf->cur_altsetting->desc));
 
 	memset(info, 0, sizeof *info);
 	info->control = intf;
@@ -279,10 +279,10 @@ next_desc:
 
 		dev->status = &info->control->cur_altsetting->endpoint [0];
 		desc = &dev->status->desc;
-		if (!usb_endpoint_is_int_in(desc)
-				|| (le16_to_cpu(desc->wMaxPacketSize)
-					< sizeof(struct usb_cdc_notification))
-				|| !desc->bInterval) {
+		if (!usb_endpoint_is_int_in(desc) ||
+		    (le16_to_cpu(desc->wMaxPacketSize)
+		     < sizeof(struct usb_cdc_notification)) ||
+		    !desc->bInterval) {
 			dev_dbg(&intf->dev, "bad notification endpoint\n");
 			dev->status = NULL;
 		}
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 43bc3fcc0d8..f78f0903b07 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -602,9 +602,9 @@ static struct hso_serial *get_serial_by_shared_int_and_type(
 	port = hso_mux_to_port(mux);
 
 	for (i = 0; i < HSO_SERIAL_TTY_MINORS; i++) {
-		if (serial_table[i]
-		    && (dev2ser(serial_table[i])->shared_int == shared_int)
-		    && ((serial_table[i]->port_spec & HSO_PORT_MASK) == port)) {
+		if (serial_table[i] &&
+		    (dev2ser(serial_table[i])->shared_int == shared_int) &&
+		    ((serial_table[i]->port_spec & HSO_PORT_MASK) == port)) {
 			return dev2ser(serial_table[i]);
 		}
 	}
@@ -846,8 +846,8 @@ static void hso_net_tx_timeout(struct net_device *net)
 	dev_warn(&net->dev, "Tx timed out.\n");
 
 	/* Tear the waiting frame off the list */
-	if (odev->mux_bulk_tx_urb
-	    && (odev->mux_bulk_tx_urb->status == -EINPROGRESS))
+	if (odev->mux_bulk_tx_urb &&
+	    (odev->mux_bulk_tx_urb->status == -EINPROGRESS))
 		usb_unlink_urb(odev->mux_bulk_tx_urb);
 
 	/* Update statistics */
@@ -1020,9 +1020,9 @@ static void read_bulk_callback(struct urb *urb)
 		u32 rest;
 		u8 crc_check[4] = { 0xDE, 0xAD, 0xBE, 0xEF };
 		rest = urb->actual_length % odev->in_endp->wMaxPacketSize;
-		if (((rest == 5) || (rest == 6))
-		    && !memcmp(((u8 *) urb->transfer_buffer) +
-			       urb->actual_length - 4, crc_check, 4)) {
+		if (((rest == 5) || (rest == 6)) &&
+		    !memcmp(((u8 *) urb->transfer_buffer) +
+			    urb->actual_length - 4, crc_check, 4)) {
 			urb->actual_length -= 4;
 		}
 	}
@@ -1226,9 +1226,9 @@ static void hso_std_serial_read_bulk_callback(struct urb *urb)
 			rest =
 			    urb->actual_length %
 			    serial->in_endp->wMaxPacketSize;
-			if (((rest == 5) || (rest == 6))
-			    && !memcmp(((u8 *) urb->transfer_buffer) +
-				       urb->actual_length - 4, crc_check, 4)) {
+			if (((rest == 5) || (rest == 6)) &&
+			    !memcmp(((u8 *) urb->transfer_buffer) +
+				    urb->actual_length - 4, crc_check, 4)) {
 				urb->actual_length -= 4;
 			}
 		}
@@ -2982,8 +2982,8 @@ static int hso_probe(struct usb_interface *interface,
 
 	case HSO_INTF_BULK:
 		/* It's a regular bulk interface */
-		if (((port_spec & HSO_PORT_MASK) == HSO_PORT_NETWORK)
-		    && !disable_net)
+		if (((port_spec & HSO_PORT_MASK) == HSO_PORT_NETWORK) &&
+		    !disable_net)
 			hso_dev = hso_create_net_device(interface, port_spec);
 		else
 			hso_dev =
@@ -3146,8 +3146,8 @@ static void hso_free_interface(struct usb_interface *interface)
 	int i;
 
 	for (i = 0; i < HSO_SERIAL_TTY_MINORS; i++) {
-		if (serial_table[i]
-		    && (serial_table[i]->interface == interface)) {
+		if (serial_table[i] &&
+		    (serial_table[i]->interface == interface)) {
 			hso_dev = dev2ser(serial_table[i]);
 			spin_lock_irq(&hso_dev->serial_lock);
 			tty = tty_kref_get(hso_dev->tty);
@@ -3163,8 +3163,8 @@ static void hso_free_interface(struct usb_interface *interface)
 	}
 
 	for (i = 0; i < HSO_MAX_NET_DEVICES; i++) {
-		if (network_table[i]
-		    && (network_table[i]->interface == interface)) {
+		if (network_table[i] &&
+		    (network_table[i]->interface == interface)) {
 			struct rfkill *rfk = dev2net(network_table[i])->rfkill;
 			/* hso_stop_net_device doesn't stop the net queue since
 			 * traffic needs to start it again when suspended */
diff --git a/drivers/net/usb/mcs7830.c b/drivers/net/usb/mcs7830.c
index 10873d96b2d..87374317f48 100644
--- a/drivers/net/usb/mcs7830.c
+++ b/drivers/net/usb/mcs7830.c
@@ -391,8 +391,8 @@ static void mcs7830_set_multicast(struct net_device *net)
 
 	if (net->flags & IFF_PROMISC) {
 		data->config |= HIF_REG_CONFIG_PROMISCIOUS;
-	} else if (net->flags & IFF_ALLMULTI
-		   || net->mc_count > MCS7830_MAX_MCAST) {
+	} else if (net->flags & IFF_ALLMULTI ||
+		   net->mc_count > MCS7830_MAX_MCAST) {
 		data->config |= HIF_REG_CONFIG_ALLMULTICAST;
 	} else if (net->mc_count == 0) {
 		/* just broadcast and directed */
diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c
index f56dec6119c..490fa8f5542 100644
--- a/drivers/net/usb/rndis_host.c
+++ b/drivers/net/usb/rndis_host.c
@@ -114,8 +114,8 @@ int rndis_command(struct usbnet *dev, struct rndis_msg_hdr *buf, int buflen)
 	 */
 
 	/* Issue the request; xid is unique, don't bother byteswapping it */
-	if (likely(buf->msg_type != RNDIS_MSG_HALT
-			&& buf->msg_type != RNDIS_MSG_RESET)) {
+	if (likely(buf->msg_type != RNDIS_MSG_HALT &&
+		   buf->msg_type != RNDIS_MSG_RESET)) {
 		xid = dev->xid++;
 		if (!xid)
 			xid = dev->xid++;
@@ -493,9 +493,9 @@ int rndis_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
 		data_len = le32_to_cpu(hdr->data_len);
 
 		/* don't choke if we see oob, per-packet data, etc */
-		if (unlikely(hdr->msg_type != RNDIS_MSG_PACKET
-				|| skb->len < msg_len
-				|| (data_offset + data_len + 8) > msg_len)) {
+		if (unlikely(hdr->msg_type != RNDIS_MSG_PACKET ||
+			     skb->len < msg_len ||
+			     (data_offset + data_len + 8) > msg_len)) {
 			dev->net->stats.rx_frame_errors++;
 			devdbg(dev, "bad rndis message %d/%d/%d/%d, len %d",
 				le32_to_cpu(hdr->msg_type),
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 04f3f289e87..511e7bdc457 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -140,8 +140,8 @@ int usbnet_get_endpoints(struct usbnet *dev, struct usb_interface *intf)
 	if (!alt || !in || !out)
 		return -EINVAL;
 
-	if (alt->desc.bAlternateSetting != 0
-			|| !(dev->driver_info->flags & FLAG_NO_SETINT)) {
+	if (alt->desc.bAlternateSetting != 0 ||
+	    !(dev->driver_info->flags & FLAG_NO_SETINT)) {
 		tmp = usb_set_interface (dev->udev, alt->desc.bInterfaceNumber,
 				alt->desc.bAlternateSetting);
 		if (tmp < 0)
@@ -351,9 +351,9 @@ static void rx_submit (struct usbnet *dev, struct urb *urb, gfp_t flags)
 
 	spin_lock_irqsave (&dev->rxq.lock, lockflags);
 
-	if (netif_running (dev->net)
-			&& netif_device_present (dev->net)
-			&& !test_bit (EVENT_RX_HALT, &dev->flags)) {
+	if (netif_running (dev->net) &&
+	    netif_device_present (dev->net) &&
+	    !test_bit (EVENT_RX_HALT, &dev->flags)) {
 		switch (retval = usb_submit_urb (urb, GFP_ATOMIC)) {
 		case -EPIPE:
 			usbnet_defer_kevent (dev, EVENT_RX_HALT);
@@ -391,8 +391,8 @@ static void rx_submit (struct usbnet *dev, struct urb *urb, gfp_t flags)
 
 static inline void rx_process (struct usbnet *dev, struct sk_buff *skb)
 {
-	if (dev->driver_info->rx_fixup
-			&& !dev->driver_info->rx_fixup (dev, skb))
+	if (dev->driver_info->rx_fixup &&
+	    !dev->driver_info->rx_fixup (dev, skb))
 		goto error;
 	// else network stack removes extra byte if we forced a short packet
 
@@ -484,8 +484,8 @@ block:
 	defer_bh(dev, skb, &dev->rxq);
 
 	if (urb) {
-		if (netif_running (dev->net)
-				&& !test_bit (EVENT_RX_HALT, &dev->flags)) {
+		if (netif_running (dev->net) &&
+		    !test_bit (EVENT_RX_HALT, &dev->flags)) {
 			rx_submit (dev, urb, GFP_ATOMIC);
 			return;
 		}
@@ -649,9 +649,9 @@ int usbnet_stop (struct net_device *net)
 			unlink_urbs(dev, &dev->rxq);
 
 		/* maybe wait for deletions to finish. */
-		while (!skb_queue_empty(&dev->rxq)
-				&& !skb_queue_empty(&dev->txq)
-				&& !skb_queue_empty(&dev->done)) {
+		while (!skb_queue_empty(&dev->rxq) &&
+		       !skb_queue_empty(&dev->txq) &&
+		       !skb_queue_empty(&dev->done)) {
 			msleep(UNLINK_TIMEOUT_MS);
 			if (netif_msg_ifdown(dev))
 				devdbg(dev, "waited for %d urb completions",
@@ -882,9 +882,9 @@ kevent (struct work_struct *work)
 	if (test_bit (EVENT_TX_HALT, &dev->flags)) {
 		unlink_urbs (dev, &dev->txq);
 		status = usb_clear_halt (dev->udev, dev->out);
-		if (status < 0
-				&& status != -EPIPE
-				&& status != -ESHUTDOWN) {
+		if (status < 0 &&
+		    status != -EPIPE &&
+		    status != -ESHUTDOWN) {
 			if (netif_msg_tx_err (dev))
 				deverr (dev, "can't clear tx halt, status %d",
 					status);
@@ -897,9 +897,9 @@ kevent (struct work_struct *work)
 	if (test_bit (EVENT_RX_HALT, &dev->flags)) {
 		unlink_urbs (dev, &dev->rxq);
 		status = usb_clear_halt (dev->udev, dev->in);
-		if (status < 0
-				&& status != -EPIPE
-				&& status != -ESHUTDOWN) {
+		if (status < 0 &&
+		    status != -EPIPE &&
+		    status != -ESHUTDOWN) {
 			if (netif_msg_rx_err (dev))
 				deverr (dev, "can't clear rx halt, status %d",
 					status);
@@ -1126,10 +1126,10 @@ static void usbnet_bh (unsigned long param)
 		}
 
 	// or are we maybe short a few urbs?
-	} else if (netif_running (dev->net)
-			&& netif_device_present (dev->net)
-			&& !timer_pending (&dev->delay)
-			&& !test_bit (EVENT_RX_HALT, &dev->flags)) {
+	} else if (netif_running (dev->net) &&
+		   netif_device_present (dev->net) &&
+		   !timer_pending (&dev->delay) &&
+		   !test_bit (EVENT_RX_HALT, &dev->flags)) {
 		int	temp = dev->rxq.qlen;
 		int	qlen = RX_QLEN (dev);
 
@@ -1297,8 +1297,8 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
 		// heuristic:  "usb%d" for links we know are two-host,
 		// else "eth%d" when there's reasonable doubt.  userspace
 		// can rename the link if it knows better.
-		if ((dev->driver_info->flags & FLAG_ETHER) != 0
-				&& (net->dev_addr [0] & 0x02) == 0)
+		if ((dev->driver_info->flags & FLAG_ETHER) != 0 &&
+		    (net->dev_addr [0] & 0x02) == 0)
 			strcpy (net->name, "eth%d");
 		/* WLAN devices should always be named "wlan%d" */
 		if ((dev->driver_info->flags & FLAG_WLAN) != 0)
diff --git a/drivers/net/usb/zaurus.c b/drivers/net/usb/zaurus.c
index 04882c8f9bf..3eb0b167b5b 100644
--- a/drivers/net/usb/zaurus.c
+++ b/drivers/net/usb/zaurus.c
@@ -174,8 +174,8 @@ static int blan_mdlm_bind(struct usbnet *dev, struct usb_interface *intf)
 				goto bad_desc;
 			}
 			/* expect bcdVersion 1.0, ignore */
-			if (memcmp(&desc->bGUID, blan_guid, 16)
-				    && memcmp(&desc->bGUID, safe_guid, 16) ) {
+			if (memcmp(&desc->bGUID, blan_guid, 16) &&
+			    memcmp(&desc->bGUID, safe_guid, 16)) {
 				/* hey, this one might _really_ be MDLM! */
 				dev_dbg(&intf->dev, "MDLM guid\n");
 				goto bad_desc;
diff --git a/drivers/net/via-rhine.c b/drivers/net/via-rhine.c
index ec94ddf01f5..593e01f64e9 100644
--- a/drivers/net/via-rhine.c
+++ b/drivers/net/via-rhine.c
@@ -42,9 +42,9 @@ static int max_interrupt_work = 20;
 
 /* Set the copy breakpoint for the copy-only-tiny-frames scheme.
    Setting to > 1518 effectively disables this feature. */
-#if defined(__alpha__) || defined(__arm__) || defined(__hppa__) \
-       || defined(CONFIG_SPARC) || defined(__ia64__) \
-       || defined(__sh__) || defined(__mips__)
+#if defined(__alpha__) || defined(__arm__) || defined(__hppa__) || \
+	defined(CONFIG_SPARC) || defined(__ia64__) ||		   \
+	defined(__sh__) || defined(__mips__)
 static int rx_copybreak = 1518;
 #else
 static int rx_copybreak;
@@ -1683,8 +1683,8 @@ static void rhine_set_rx_mode(struct net_device *dev)
 		rx_mode = 0x1C;
 		iowrite32(0xffffffff, ioaddr + MulticastFilter0);
 		iowrite32(0xffffffff, ioaddr + MulticastFilter1);
-	} else if ((dev->mc_count > multicast_filter_limit)
-		   || (dev->flags & IFF_ALLMULTI)) {
+	} else if ((dev->mc_count > multicast_filter_limit) ||
+		   (dev->flags & IFF_ALLMULTI)) {
 		/* Too many to match, or accept all multicasts. */
 		iowrite32(0xffffffff, ioaddr + MulticastFilter0);
 		iowrite32(0xffffffff, ioaddr + MulticastFilter1);
diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index d4eac2a1442..4ceb441f268 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -895,8 +895,8 @@ static int velocity_set_media_mode(struct velocity_info *vptr, u32 mii_status)
 
 	/*
 	   Check if new status is consisent with current status
-	   if (((mii_status & curr_status) & VELOCITY_AUTONEG_ENABLE)
-	   || (mii_status==curr_status)) {
+	   if (((mii_status & curr_status) & VELOCITY_AUTONEG_ENABLE) ||
+	       (mii_status==curr_status)) {
 	   vptr->mii_status=mii_check_media_mode(vptr->mac_regs);
 	   vptr->mii_status=check_connection_type(vptr->mac_regs);
 	   VELOCITY_PRT(MSG_LEVEL_INFO, "Velocity link no change\n");
@@ -1132,8 +1132,8 @@ static void velocity_set_multi(struct net_device *dev)
 		writel(0xffffffff, &regs->MARCAM[0]);
 		writel(0xffffffff, &regs->MARCAM[4]);
 		rx_mode = (RCR_AM | RCR_AB | RCR_PROM);
-	} else if ((dev->mc_count > vptr->multicast_limit)
-		   || (dev->flags & IFF_ALLMULTI)) {
+	} else if ((dev->mc_count > vptr->multicast_limit) ||
+		   (dev->flags & IFF_ALLMULTI)) {
 		writel(0xffffffff, &regs->MARCAM[0]);
 		writel(0xffffffff, &regs->MARCAM[4]);
 		rx_mode = (RCR_AM | RCR_AB);
@@ -1936,8 +1936,8 @@ static int velocity_tx_srv(struct velocity_info *vptr, u32 status)
 	 *	Look to see if we should kick the transmit network
 	 *	layer for more work.
 	 */
-	if (netif_queue_stopped(vptr->dev) && (full == 0)
-	    && (!(vptr->mii_status & VELOCITY_LINK_FAIL))) {
+	if (netif_queue_stopped(vptr->dev) && (full == 0) &&
+	    (!(vptr->mii_status & VELOCITY_LINK_FAIL))) {
 		netif_wake_queue(vptr->dev);
 	}
 	return works;
@@ -2584,8 +2584,8 @@ static netdev_tx_t velocity_xmit(struct sk_buff *skb,
 	/*
 	 *	Handle hardware checksum
 	 */
-	if ( (dev->features & NETIF_F_IP_CSUM)
-				 && (skb->ip_summed == CHECKSUM_PARTIAL)) {
+	if ((dev->features & NETIF_F_IP_CSUM) &&
+	    (skb->ip_summed == CHECKSUM_PARTIAL)) {
 		const struct iphdr *ip = ip_hdr(skb);
 		if (ip->protocol == IPPROTO_TCP)
 			td_ptr->tdesc1.TCR |= TCR0_TCPCK;
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 74636c5c41f..c708ecc3cb2 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -428,8 +428,8 @@ again:
 	/* Out of packets? */
 	if (received < budget) {
 		napi_complete(napi);
-		if (unlikely(!vi->rvq->vq_ops->enable_cb(vi->rvq))
-		    && napi_schedule_prep(napi)) {
+		if (unlikely(!vi->rvq->vq_ops->enable_cb(vi->rvq)) &&
+		    napi_schedule_prep(napi)) {
 			vi->rvq->vq_ops->disable_cb(vi->rvq);
 			__napi_schedule(napi);
 			goto again;
@@ -890,9 +890,9 @@ static int virtnet_probe(struct virtio_device *vdev)
 	INIT_DELAYED_WORK(&vi->refill, refill_work);
 
 	/* If we can receive ANY GSO packets, we must allocate large ones. */
-	if (virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO4)
-	    || virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO6)
-	    || virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_ECN))
+	if (virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO4) ||
+	    virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO6) ||
+	    virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_ECN))
 		vi->big_packets = true;
 
 	if (virtio_has_feature(vdev, VIRTIO_NET_F_MRG_RXBUF))
diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index a4c97e786ee..1ceb9d0f8b9 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -1780,8 +1780,8 @@ vmxnet3_setup_driver_shared(struct vmxnet3_adapter *adapter)
 		set_flag_le64(&devRead->misc.uptFeatures, UPT1_F_LRO);
 		devRead->misc.maxNumRxSG = cpu_to_le16(1 + MAX_SKB_FRAGS);
 	}
-	if ((adapter->netdev->features & NETIF_F_HW_VLAN_RX)
-			&& adapter->vlan_grp) {
+	if ((adapter->netdev->features & NETIF_F_HW_VLAN_RX) &&
+	    adapter->vlan_grp) {
 		set_flag_le64(&devRead->misc.uptFeatures, UPT1_F_RXVLAN);
 	}
 
diff --git a/drivers/net/vxge/vxge-main.c b/drivers/net/vxge/vxge-main.c
index e21358e82c7..f1c4b2a1e86 100644
--- a/drivers/net/vxge/vxge-main.c
+++ b/drivers/net/vxge/vxge-main.c
@@ -2510,9 +2510,9 @@ static int vxge_add_isr(struct vxgedev *vdev)
 			}
 
 			/* Point to next vpath handler */
-			if (((intr_idx + 1) % VXGE_HW_VPATH_MSIX_ACTIVE == 0)
-				&& (vp_idx < (vdev->no_of_vpath - 1)))
-					vp_idx++;
+			if (((intr_idx + 1) % VXGE_HW_VPATH_MSIX_ACTIVE == 0) &&
+			    (vp_idx < (vdev->no_of_vpath - 1)))
+				vp_idx++;
 		}
 
 		intr_cnt = vdev->max_vpath_supported * 2;
diff --git a/drivers/net/vxge/vxge-traffic.c b/drivers/net/vxge/vxge-traffic.c
index 61ce754fa9d..2c012f4ce46 100644
--- a/drivers/net/vxge/vxge-traffic.c
+++ b/drivers/net/vxge/vxge-traffic.c
@@ -1963,14 +1963,14 @@ enum vxge_hw_status __vxge_hw_vpath_alarm_process(
 			val64 = readq(&vp_reg->asic_ntwk_vp_err_reg);
 
 			if (((val64 &
-				VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_FLT) &&
-			    (!(val64 &
+			      VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_FLT) &&
+			     (!(val64 &
 				VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_OK))) ||
 			    ((val64 &
-				VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_FLT_OCCURR)
-				&& (!(val64 &
+			      VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_FLT_OCCURR) &&
+			     (!(val64 &
 				VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_OK_OCCURR)
-			))) {
+				     ))) {
 				sw_stats->error_stats.network_sustained_fault++;
 
 				writeq(
@@ -1983,14 +1983,14 @@ enum vxge_hw_status __vxge_hw_vpath_alarm_process(
 			}
 
 			if (((val64 &
-				VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_OK) &&
-			    (!(val64 &
+			      VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_OK) &&
+			     (!(val64 &
 				VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_FLT))) ||
 			    ((val64 &
-				VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_OK_OCCURR)
-				&& (!(val64 &
+			      VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_OK_OCCURR) &&
+			     (!(val64 &
 				VXGE_HW_ASIC_NW_VP_ERR_REG_XMACJ_STN_FLT_OCCURR)
-			))) {
+				     ))) {
 
 				sw_stats->error_stats.network_sustained_ok++;
 
diff --git a/drivers/net/wan/farsync.c b/drivers/net/wan/farsync.c
index beda387f2fc..9bc2e364915 100644
--- a/drivers/net/wan/farsync.c
+++ b/drivers/net/wan/farsync.c
@@ -1346,8 +1346,8 @@ do_bottom_half_tx(struct fst_card_info *card)
 
 		dev = port_to_dev(port);
 		while (!(FST_RDB(card, txDescrRing[pi][port->txpos].bits) &
-			 DMA_OWN)
-		       && !(card->dmatx_in_progress)) {
+			 DMA_OWN) &&
+		       !(card->dmatx_in_progress)) {
 			/*
 			 * There doesn't seem to be a txdone event per-se
 			 * We seem to have to deduce it, by checking the DMA_OWN
@@ -1379,8 +1379,8 @@ do_bottom_half_tx(struct fst_card_info *card)
 				 */
 				FST_WRW(card, txDescrRing[pi][port->txpos].bcnt,
 					cnv_bcnt(skb->len));
-				if ((skb->len < FST_MIN_DMA_LEN)
-				    || (card->family == FST_FAMILY_TXP)) {
+				if ((skb->len < FST_MIN_DMA_LEN) ||
+				    (card->family == FST_FAMILY_TXP)) {
 					/* Enqueue the packet with normal io */
 					memcpy_toio(card->mem +
 						    BUF_OFFSET(txBuffer[pi]
@@ -2030,8 +2030,8 @@ fst_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 		/* Sanity check the parameters. We don't support partial writes
 		 * when going over the top
 		 */
-		if (wrthdr.size > FST_MEMSIZE || wrthdr.offset > FST_MEMSIZE
-		    || wrthdr.size + wrthdr.offset > FST_MEMSIZE) {
+		if (wrthdr.size > FST_MEMSIZE || wrthdr.offset > FST_MEMSIZE ||
+		    wrthdr.size + wrthdr.offset > FST_MEMSIZE) {
 			return -ENXIO;
 		}
 
diff --git a/drivers/net/wan/pc300_drv.c b/drivers/net/wan/pc300_drv.c
index 79dabc557bd..aec4d395542 100644
--- a/drivers/net/wan/pc300_drv.c
+++ b/drivers/net/wan/pc300_drv.c
@@ -514,8 +514,8 @@ static int dma_buf_read(pc300_t * card, int ch, struct sk_buff *skb)
 				  RX_BD_ADDR(ch, chan->rx_first_bd));
 	while ((status = cpc_readb(&ptdescr->status)) & DST_OSB) {
 		nchar = cpc_readw(&ptdescr->len);
-		if ((status & (DST_OVR | DST_CRC | DST_RBIT | DST_SHRT | DST_ABT))
-		    || (nchar > BD_DEF_LEN)) {
+		if ((status & (DST_OVR | DST_CRC | DST_RBIT | DST_SHRT | DST_ABT)) ||
+		    (nchar > BD_DEF_LEN)) {
 
 			if (nchar > BD_DEF_LEN)
 				status |= DST_RBIT;
@@ -1428,8 +1428,7 @@ static void falc_update_stats(pc300_t * card, int ch)
 
 		if (((conf->media == IF_IFACE_T1) &&
 		     (cpc_readb(falcbase + F_REG(FRS1, ch)) & FRS1_LLBAD) &&
-		     (!(cpc_readb(falcbase + F_REG(FRS1, ch)) & FRS1_PDEN)))
-		    ||
+		     (!(cpc_readb(falcbase + F_REG(FRS1, ch)) & FRS1_PDEN))) ||
 		    ((conf->media == IF_IFACE_E1) &&
 		     (cpc_readb(falcbase + F_REG(RSP, ch)) & RSP_LLBAD))) {
 			pfalc->prbs = 2;
@@ -2285,8 +2284,8 @@ static void falc_e1_intr(pc300_t * card, int ch)
 		if (gis & GIS_ISR1) {
 			isr1 = cpc_readb(falcbase + F_REG(FISR1, ch));
 			if (isr1 & FISR1_XMB) {
-				if ((pfalc->xmb_cause & 2)
-				    && pfalc->multiframe_mode) {
+				if ((pfalc->xmb_cause & 2) &&
+				    pfalc->multiframe_mode) {
 					if (cpc_readb (falcbase + F_REG(FRS0, ch)) & 
 									(FRS0_LOS | FRS0_AIS | FRS0_LFA)) {
 						cpc_writeb(falcbase + F_REG(XSP, ch),
@@ -2639,9 +2638,9 @@ static int cpc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 						!(cpc_readb (scabase + M_REG(CTL, ch)) & CTL_DTR);
 					/* There is no DSR in HD64572 */
 				}
-				if (!arg
-				    || copy_to_user(arg, &pc300status, sizeof(pc300status_t)))
-						return -EINVAL;
+				if (!arg ||
+				    copy_to_user(arg, &pc300status, sizeof(pc300status_t)))
+					return -EINVAL;
 				return 0;
 			}
 
diff --git a/drivers/net/wan/sbni.c b/drivers/net/wan/sbni.c
index 1cc24a45f00..25477b5cde4 100644
--- a/drivers/net/wan/sbni.c
+++ b/drivers/net/wan/sbni.c
@@ -195,9 +195,9 @@ static unsigned int  netcard_portlist[ ] __initdata = {
 static inline int __init
 sbni_isa_probe( struct net_device  *dev )
 {
-	if( dev->base_addr > 0x1ff
-	    &&  request_region( dev->base_addr, SBNI_IO_EXTENT, dev->name )
-	    &&  sbni_probe1( dev, dev->base_addr, dev->irq ) )
+	if( dev->base_addr > 0x1ff &&
+	    request_region( dev->base_addr, SBNI_IO_EXTENT, dev->name ) &&
+	    sbni_probe1( dev, dev->base_addr, dev->irq ) )
 
 		return  0;
 	else {
@@ -286,8 +286,8 @@ static int __init sbni_init(struct net_device *dev)
 
 	for( i = 0;  netcard_portlist[ i ];  ++i ) {
 		int  ioaddr = netcard_portlist[ i ];
-		if( request_region( ioaddr, SBNI_IO_EXTENT, dev->name )
-		    &&  sbni_probe1( dev, ioaddr, 0 ))
+		if( request_region( ioaddr, SBNI_IO_EXTENT, dev->name ) &&
+		    sbni_probe1( dev, ioaddr, 0 ))
 			return 0;
 	}
 
@@ -306,9 +306,9 @@ sbni_pci_probe( struct net_device  *dev )
 		unsigned long  pci_ioaddr;
 		u16  subsys;
 
-		if( pdev->vendor != SBNI_PCI_VENDOR
-		    &&  pdev->device != SBNI_PCI_DEVICE )
-				continue;
+		if( pdev->vendor != SBNI_PCI_VENDOR &&
+		    pdev->device != SBNI_PCI_DEVICE )
+			continue;
 
 		pci_ioaddr = pci_resource_start( pdev, 0 );
 		pci_irq_line = pdev->irq;
@@ -977,8 +977,8 @@ check_fhdr( u32  ioaddr,  u32  *framelen,  u32  *frameno,  u32  *ack,
 	*ack = *framelen & FRAME_ACK_MASK;
 	*is_first = (*framelen & FRAME_FIRST) != 0;
 
-	if( (*framelen &= FRAME_LEN_MASK) < 6
-	    ||  *framelen > SBNI_MAX_FRAME - 3 )
+	if( (*framelen &= FRAME_LEN_MASK) < 6 ||
+	    *framelen > SBNI_MAX_FRAME - 3 )
 		return  0;
 
 	value = inb( ioaddr + DAT );
@@ -1173,10 +1173,10 @@ sbni_open( struct net_device  *dev )
 	if( dev->base_addr < 0x400 ) {		/* ISA only */
 		struct net_device  **p = sbni_cards;
 		for( ;  *p  &&  p < sbni_cards + SBNI_MAX_NUM_CARDS;  ++p )
-			if( (*p)->irq == dev->irq
-			    &&  ((*p)->base_addr == dev->base_addr + 4
-				 ||  (*p)->base_addr == dev->base_addr - 4)
-			    &&  (*p)->flags & IFF_UP ) {
+			if( (*p)->irq == dev->irq &&
+			    ((*p)->base_addr == dev->base_addr + 4 ||
+			     (*p)->base_addr == dev->base_addr - 4) &&
+			    (*p)->flags & IFF_UP ) {
 
 				((struct net_local *) (netdev_priv(*p)))
 					->second = dev;
diff --git a/drivers/net/wan/x25_asy.c b/drivers/net/wan/x25_asy.c
index 3c325d77939..b9f520b7db6 100644
--- a/drivers/net/wan/x25_asy.c
+++ b/drivers/net/wan/x25_asy.c
@@ -657,8 +657,8 @@ static void x25_asy_unesc(struct x25_asy *sl, unsigned char s)
 
 	switch (s) {
 	case X25_END:
-		if (!test_and_clear_bit(SLF_ERROR, &sl->flags)
-			&& sl->rcount > 2)
+		if (!test_and_clear_bit(SLF_ERROR, &sl->flags) &&
+		    sl->rcount > 2)
 			x25_asy_bump(sl);
 		clear_bit(SLF_ESCAPE, &sl->flags);
 		sl->rcount = 0;
diff --git a/drivers/net/yellowfin.c b/drivers/net/yellowfin.c
index d831dfca097..0f773a9a3ff 100644
--- a/drivers/net/yellowfin.c
+++ b/drivers/net/yellowfin.c
@@ -944,8 +944,8 @@ static irqreturn_t yellowfin_interrupt(int irq, void *dev_instance)
 			dev_kfree_skb_irq(skb);
 			yp->tx_skbuff[entry] = NULL;
 		}
-		if (yp->tx_full
-			&& yp->cur_tx - yp->dirty_tx < TX_QUEUE_SIZE - 4) {
+		if (yp->tx_full &&
+		    yp->cur_tx - yp->dirty_tx < TX_QUEUE_SIZE - 4) {
 			/* The ring is no longer full, clear tbusy. */
 			yp->tx_full = 0;
 			netif_wake_queue(dev);
@@ -1014,8 +1014,8 @@ static irqreturn_t yellowfin_interrupt(int irq, void *dev_instance)
 			}
 #endif
 
-			if (yp->tx_full
-				&& yp->cur_tx - dirty_tx < TX_QUEUE_SIZE - 2) {
+			if (yp->tx_full &&
+			    yp->cur_tx - dirty_tx < TX_QUEUE_SIZE - 2) {
 				/* The ring is no longer full, clear tbusy. */
 				yp->tx_full = 0;
 				netif_wake_queue(dev);
diff --git a/drivers/net/znet.c b/drivers/net/znet.c
index a97d894d26f..bc5ae0f6e93 100644
--- a/drivers/net/znet.c
+++ b/drivers/net/znet.c
@@ -697,8 +697,8 @@ static void znet_rx(struct net_device *dev)
 	   the same area of the backwards links we now have.  This allows us to
 	   pass packets to the upper layers in the order they were received --
 	   important for fast-path sequential operations. */
-	 while (znet->rx_start + cur_frame_end_offset != znet->rx_cur
-			&& ++boguscount < 5) {
+	while (znet->rx_start + cur_frame_end_offset != znet->rx_cur &&
+	       ++boguscount < 5) {
 		unsigned short hi_cnt, lo_cnt, hi_status, lo_status;
 		int count, status;
 
-- 
GitLab


From 19cfaecc094781da273b5cd1411ee46589898d0e Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Thu, 3 Dec 2009 08:36:20 +0000
Subject: [PATCH 1772/1815] tg3: Make TSS enable independent of MSI-X enable

The 57765 asic rev has MSI-X capability, but does not support TSS.  This
patch changes the tx paths so that TSS is explicitly mentioned, rather
than implied through the ENABLE_MSIX flag.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 91 +++++++++++++++++++++++++++++------------------
 drivers/net/tg3.h |  1 +
 2 files changed, 57 insertions(+), 35 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index f845837e4aa..8b21f1ddf54 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -4351,7 +4351,7 @@ static void tg3_tx(struct tg3_napi *tnapi)
 	struct netdev_queue *txq;
 	int index = tnapi - tp->napi;
 
-	if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
+	if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
 		index--;
 
 	txq = netdev_get_tx_queue(tp->dev, index);
@@ -5435,7 +5435,7 @@ static netdev_tx_t tg3_start_xmit(struct sk_buff *skb,
 
 	txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb));
 	tnapi = &tp->napi[skb_get_queue_mapping(skb)];
-	if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
+	if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
 		tnapi++;
 
 	/* We are running in BH disabled context with netif_tx_lock
@@ -5639,7 +5639,7 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
 
 	txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb));
 	tnapi = &tp->napi[skb_get_queue_mapping(skb)];
-	if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
+	if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
 		tnapi++;
 
 	/* We are running in BH disabled context with netif_tx_lock
@@ -6278,6 +6278,24 @@ static int tg3_alloc_consistent(struct tg3 *tp)
 		memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
 		sblk = tnapi->hw_status;
 
+		/* If multivector TSS is enabled, vector 0 does not handle
+		 * tx interrupts.  Don't allocate any resources for it.
+		 */
+		if ((!i && !(tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)) ||
+		    (i && (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS))) {
+			tnapi->tx_buffers = kzalloc(sizeof(struct ring_info) *
+						    TG3_TX_RING_SIZE,
+						    GFP_KERNEL);
+			if (!tnapi->tx_buffers)
+				goto err_out;
+
+			tnapi->tx_ring = pci_alloc_consistent(tp->pdev,
+							      TG3_TX_RING_BYTES,
+						       &tnapi->tx_desc_mapping);
+			if (!tnapi->tx_ring)
+				goto err_out;
+		}
+
 		/*
 		 * When RSS is enabled, the status block format changes
 		 * slightly.  The "rx_jumbo_consumer", "reserved",
@@ -6318,17 +6336,6 @@ static int tg3_alloc_consistent(struct tg3 *tp)
 			goto err_out;
 
 		memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
-
-		tnapi->tx_buffers = kzalloc(sizeof(struct ring_info) *
-					    TG3_TX_RING_SIZE, GFP_KERNEL);
-		if (!tnapi->tx_buffers)
-			goto err_out;
-
-		tnapi->tx_ring = pci_alloc_consistent(tp->pdev,
-						      TG3_TX_RING_BYTES,
-						      &tnapi->tx_desc_mapping);
-		if (!tnapi->tx_ring)
-			goto err_out;
 	}
 
 	return 0;
@@ -7316,19 +7323,21 @@ static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
 {
 	int i;
 
-	if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSIX)) {
+	if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)) {
 		tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
 		tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
 		tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
-
-		tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
-		tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
-		tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
 	} else {
 		tw32(HOSTCC_TXCOL_TICKS, 0);
 		tw32(HOSTCC_TXMAX_FRAMES, 0);
 		tw32(HOSTCC_TXCOAL_MAXF_INT, 0);
+	}
 
+	if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSIX)) {
+		tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
+		tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
+		tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
+	} else {
 		tw32(HOSTCC_RXCOL_TICKS, 0);
 		tw32(HOSTCC_RXMAX_FRAMES, 0);
 		tw32(HOSTCC_RXCOAL_MAXF_INT, 0);
@@ -7351,25 +7360,31 @@ static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
 
 		reg = HOSTCC_RXCOL_TICKS_VEC1 + i * 0x18;
 		tw32(reg, ec->rx_coalesce_usecs);
-		reg = HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18;
-		tw32(reg, ec->tx_coalesce_usecs);
 		reg = HOSTCC_RXMAX_FRAMES_VEC1 + i * 0x18;
 		tw32(reg, ec->rx_max_coalesced_frames);
-		reg = HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18;
-		tw32(reg, ec->tx_max_coalesced_frames);
 		reg = HOSTCC_RXCOAL_MAXF_INT_VEC1 + i * 0x18;
 		tw32(reg, ec->rx_max_coalesced_frames_irq);
-		reg = HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18;
-		tw32(reg, ec->tx_max_coalesced_frames_irq);
+
+		if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS) {
+			reg = HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18;
+			tw32(reg, ec->tx_coalesce_usecs);
+			reg = HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18;
+			tw32(reg, ec->tx_max_coalesced_frames);
+			reg = HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18;
+			tw32(reg, ec->tx_max_coalesced_frames_irq);
+		}
 	}
 
 	for (; i < tp->irq_max - 1; i++) {
 		tw32(HOSTCC_RXCOL_TICKS_VEC1 + i * 0x18, 0);
-		tw32(HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18, 0);
 		tw32(HOSTCC_RXMAX_FRAMES_VEC1 + i * 0x18, 0);
-		tw32(HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18, 0);
 		tw32(HOSTCC_RXCOAL_MAXF_INT_VEC1 + i * 0x18, 0);
-		tw32(HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18, 0);
+
+		if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS) {
+			tw32(HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18, 0);
+			tw32(HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18, 0);
+			tw32(HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18, 0);
+		}
 	}
 }
 
@@ -7470,17 +7485,19 @@ static void tg3_rings_reset(struct tg3 *tp)
 		/* Clear status block in ram. */
 		memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
 
-		tg3_set_bdinfo(tp, txrcb, tnapi->tx_desc_mapping,
-			       (TG3_TX_RING_SIZE <<
-				BDINFO_FLAGS_MAXLEN_SHIFT),
-			       NIC_SRAM_TX_BUFFER_DESC);
+		if (tnapi->tx_ring) {
+			tg3_set_bdinfo(tp, txrcb, tnapi->tx_desc_mapping,
+				       (TG3_TX_RING_SIZE <<
+					BDINFO_FLAGS_MAXLEN_SHIFT),
+				       NIC_SRAM_TX_BUFFER_DESC);
+			txrcb += TG3_BDINFO_SIZE;
+		}
 
 		tg3_set_bdinfo(tp, rxrcb, tnapi->rx_rcb_mapping,
 			       (TG3_RX_RCB_RING_SIZE(tp) <<
 				BDINFO_FLAGS_MAXLEN_SHIFT), 0);
 
 		stblk += 8;
-		txrcb += TG3_BDINFO_SIZE;
 		rxrcb += TG3_BDINFO_SIZE;
 	}
 }
@@ -8023,7 +8040,7 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
 	if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
 		tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
 	val = SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE;
-	if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
+	if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
 		val |= SNDBDI_MODE_MULTI_TXQ_EN;
 	tw32(SNDBDI_MODE, val);
 	tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
@@ -8631,7 +8648,11 @@ static bool tg3_enable_msix(struct tg3 *tp)
 	for (i = 0; i < tp->irq_max; i++)
 		tp->napi[i].irq_vec = msix_ent[i].vector;
 
-	tp->dev->real_num_tx_queues = tp->irq_cnt - 1;
+	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
+		tp->tg3_flags3 |= TG3_FLG3_ENABLE_TSS;
+		tp->dev->real_num_tx_queues = tp->irq_cnt - 1;
+	} else
+		tp->dev->real_num_tx_queues = 1;
 
 	return true;
 }
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 89725231f7b..8035583ae39 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2791,6 +2791,7 @@ struct tg3 {
 #define TG3_FLG3_NO_NVRAM		0x00004000
 #define TG3_FLG3_PHY_IS_FET		0x00010000
 #define TG3_FLG3_ENABLE_RSS		0x00020000
+#define TG3_FLG3_ENABLE_TSS		0x00040000
 #define TG3_FLG3_4G_DMA_BNDRY_BUG	0x00080000
 #define TG3_FLG3_40BIT_DMA_LIMIT_BUG	0x00100000
 #define TG3_FLG3_SHORT_DMA_BUG		0x00200000
-- 
GitLab


From b703df6f628ab63eaa875232551b1f2f0503b9af Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Thu, 3 Dec 2009 08:36:21 +0000
Subject: [PATCH 1773/1815] tg3: Add 57765 asic rev

This patch adds the 57765 asic revision.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 72 ++++++++++++++++++++++++++++++++++-------------
 drivers/net/tg3.h |  9 ++++++
 2 files changed, 62 insertions(+), 19 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 8b21f1ddf54..36f2e1b8cbb 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -5514,7 +5514,7 @@ static netdev_tx_t tg3_start_xmit(struct sk_buff *skb,
 	tnapi->tx_buffers[entry].skb = skb;
 	pci_unmap_addr_set(&tnapi->tx_buffers[entry], mapping, mapping);
 
-	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
+	if ((tp->tg3_flags3 & TG3_FLG3_USE_JUMBO_BDFLAG) &&
 	    !mss && skb->len > ETH_DATA_LEN)
 		base_flags |= TXD_FLAG_JMB_PKT;
 
@@ -5726,7 +5726,7 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
 			       (vlan_tx_tag_get(skb) << 16));
 #endif
 
-	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
+	if ((tp->tg3_flags3 & TG3_FLG3_USE_JUMBO_BDFLAG) &&
 	    !mss && skb->len > ETH_DATA_LEN)
 		base_flags |= TXD_FLAG_JMB_PKT;
 
@@ -6971,7 +6971,8 @@ static int tg3_chip_reset(struct tg3 *tp)
 	if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
 	    tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
 	    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 &&
-	    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717) {
+	    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717 &&
+	    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57765) {
 		val = tr32(0x7c00);
 
 		tw32(0x7c00, val | (1 << 25));
@@ -7398,6 +7399,8 @@ static void tg3_rings_reset(struct tg3 *tp)
 	/* Disable all transmit rings but the first. */
 	if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
 		limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 16;
+	else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
+		limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 2;
 	else
 		limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE;
 
@@ -7412,7 +7415,8 @@ static void tg3_rings_reset(struct tg3 *tp)
 		limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 17;
 	else if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
 		limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 16;
-	else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
+	else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
+		 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
 		limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 4;
 	else
 		limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE;
@@ -7609,7 +7613,8 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
 	if (err)
 		return err;
 
-	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
+	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
+	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) {
 		val = tr32(TG3PCI_DMA_RW_CTRL) &
 		      ~DMA_RWCTRL_DIS_CACHE_ALIGNMENT;
 		tw32(TG3PCI_DMA_RW_CTRL, val | tp->dma_rwctrl);
@@ -7770,7 +7775,8 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
 			     BDINFO_FLAGS_DISABLED);
 		}
 
-		if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
+		if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
+		    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
 			val = (RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT) |
 			      (RX_STD_MAX_SIZE << 2);
 		else
@@ -7787,7 +7793,8 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
 			  tp->rx_jumbo_pending : 0;
 	tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG, tpr->rx_jmb_prod_idx);
 
-	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
+	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
+	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) {
 		tw32(STD_REPLENISH_LWM, 32);
 		tw32(JMB_REPLENISH_LWM, 16);
 	}
@@ -8464,7 +8471,8 @@ static int tg3_test_interrupt(struct tg3 *tp)
 	 * Turn off MSI one shot mode.  Otherwise this test has no
 	 * observable way to know whether the interrupt was delivered.
 	 */
-	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
+	if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
+	     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) &&
 	    (tp->tg3_flags2 & TG3_FLG2_USING_MSI)) {
 		val = tr32(MSGINT_MODE) | MSGINT_MODE_ONE_SHOT_DISABLE;
 		tw32(MSGINT_MODE, val);
@@ -8507,7 +8515,8 @@ static int tg3_test_interrupt(struct tg3 *tp)
 
 	if (intr_ok) {
 		/* Reenable MSI one shot mode. */
-		if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
+		if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
+		     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) &&
 		    (tp->tg3_flags2 & TG3_FLG2_USING_MSI)) {
 			val = tr32(MSGINT_MODE) & ~MSGINT_MODE_ONE_SHOT_DISABLE;
 			tw32(MSGINT_MODE, val);
@@ -8803,6 +8812,7 @@ static int tg3_open(struct net_device *dev)
 		}
 
 		if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717 &&
+		    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57765 &&
 		    (tp->tg3_flags2 & TG3_FLG2_USING_MSI) &&
 		    (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)) {
 			u32 val = tr32(PCIE_TRANSACTION_CFG);
@@ -11697,7 +11707,8 @@ static void __devinit tg3_nvram_init(struct tg3 *tp)
 			tg3_get_5761_nvram_info(tp);
 		else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
 			tg3_get_5906_nvram_info(tp);
-		else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
+		else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
+			 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
 			tg3_get_57780_nvram_info(tp);
 		else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
 			tg3_get_5717_nvram_info(tp);
@@ -12531,6 +12542,8 @@ out_not_found:
 	else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
 		 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57788)
 		strcpy(tp->board_part_number, "BCM57788");
+	else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
+		strcpy(tp->board_part_number, "BCM57765");
 	else
 		strcpy(tp->board_part_number, "none");
 }
@@ -12820,6 +12833,15 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
 			pci_read_config_dword(tp->pdev,
 					      TG3PCI_GEN2_PRODID_ASICREV,
 					      &prod_id_asic_rev);
+		else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57781 ||
+			 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57785 ||
+			 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57761 ||
+			 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57765 ||
+			 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57791 ||
+			 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57795)
+			pci_read_config_dword(tp->pdev,
+					      TG3PCI_GEN15_PRODID_ASICREV,
+					      &prod_id_asic_rev);
 		else
 			pci_read_config_dword(tp->pdev, TG3PCI_PRODID_ASICREV,
 					      &prod_id_asic_rev);
@@ -12973,7 +12995,8 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
 	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
 	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
 	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
-	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
+	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
+	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
 		tp->tg3_flags3 |= TG3_FLG3_5755_PLUS;
 
 	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
@@ -13000,7 +13023,8 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
 	}
 
 	/* Determine TSO capabilities */
-	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
+	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
+	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
 		tp->tg3_flags2 |= TG3_FLG2_HW_TSO_3;
 	else if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
 		 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
@@ -13036,7 +13060,8 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
 			tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
 		}
 
-		if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
+		if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
+		    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) {
 			tp->tg3_flags |= TG3_FLAG_SUPPORT_MSIX;
 			tp->irq_max = TG3_IRQ_MAX_VECS;
 		}
@@ -13050,9 +13075,13 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
 		tp->tg3_flags3 |= TG3_FLG3_40BIT_DMA_LIMIT_BUG;
 	}
 
+	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
+	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
+		tp->tg3_flags3 |= TG3_FLG3_USE_JUMBO_BDFLAG;
+
 	if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
 	     (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
-	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
+		 (tp->tg3_flags3 & TG3_FLG3_USE_JUMBO_BDFLAG))
 		tp->tg3_flags |= TG3_FLAG_JUMBO_CAPABLE;
 
 	pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
@@ -13245,7 +13274,8 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
 	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
 	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
 	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
-	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
+	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
+	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
 		tp->tg3_flags |= TG3_FLAG_CPMU_PRESENT;
 
 	/* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
@@ -13324,7 +13354,8 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
 	    !(tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) &&
 	    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 &&
 	    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57780 &&
-	    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717) {
+	    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717 &&
+	    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57765) {
 		if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
 		    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
 		    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
@@ -13648,7 +13679,8 @@ static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
 #endif
 #endif
 
-	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
+	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
+	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) {
 		val = goal ? 0 : DMA_RWCTRL_DIS_CACHE_ALIGNMENT;
 		goto out;
 	}
@@ -13860,7 +13892,8 @@ static int __devinit tg3_test_dma(struct tg3 *tp)
 
 	tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
 
-	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
+	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
+	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
 		goto out;
 
 	if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
@@ -14053,7 +14086,8 @@ static void __devinit tg3_init_link_config(struct tg3 *tp)
 static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
 {
 	if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS &&
-	    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717) {
+	    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717 &&
+	    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57765) {
 		tp->bufmgr_config.mbuf_read_dma_low_water =
 			DEFAULT_MB_RDMA_LOW_WATER_5705;
 		tp->bufmgr_config.mbuf_mac_rx_low_water =
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 8035583ae39..6a2c31071ca 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -49,6 +49,12 @@
 #define  TG3PCI_DEVICE_TIGON3_5717	 0x1655
 #define  TG3PCI_DEVICE_TIGON3_5718	 0x1656
 #define  TG3PCI_DEVICE_TIGON3_5724	 0x165c
+#define  TG3PCI_DEVICE_TIGON3_57781	 0x16b1
+#define  TG3PCI_DEVICE_TIGON3_57785	 0x16b5
+#define  TG3PCI_DEVICE_TIGON3_57761	 0x16b0
+#define  TG3PCI_DEVICE_TIGON3_57765	 0x16b4
+#define  TG3PCI_DEVICE_TIGON3_57791	 0x16b2
+#define  TG3PCI_DEVICE_TIGON3_57795	 0x16b6
 /* 0x04 --> 0x64 unused */
 #define TG3PCI_MSI_DATA			0x00000064
 /* 0x66 --> 0x68 unused */
@@ -122,6 +128,7 @@
 #define   ASIC_REV_5785			 0x5785
 #define   ASIC_REV_57780		 0x57780
 #define   ASIC_REV_5717			 0x5717
+#define   ASIC_REV_57765		 0x57785
 #define  GET_CHIP_REV(CHIP_REV_ID)	((CHIP_REV_ID) >> 8)
 #define   CHIPREV_5700_AX		 0x70
 #define   CHIPREV_5700_BX		 0x71
@@ -220,6 +227,7 @@
 /* 0xc0 --> 0xf4 unused */
 
 #define TG3PCI_GEN2_PRODID_ASICREV	0x000000f4
+#define TG3PCI_GEN15_PRODID_ASICREV	0x000000fc
 /* 0xf8 --> 0x200 unused */
 
 #define TG3_CORR_ERR_STAT		0x00000110
@@ -2795,6 +2803,7 @@ struct tg3 {
 #define TG3_FLG3_4G_DMA_BNDRY_BUG	0x00080000
 #define TG3_FLG3_40BIT_DMA_LIMIT_BUG	0x00100000
 #define TG3_FLG3_SHORT_DMA_BUG		0x00200000
+#define TG3_FLG3_USE_JUMBO_BDFLAG	0x00400000
 
 	struct timer_list		timer;
 	u16				timer_counter;
-- 
GitLab


From 141518c95870228da4e050fbe31a8f0c9df82c72 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Thu, 3 Dec 2009 08:36:22 +0000
Subject: [PATCH 1774/1815] tg3: Add some VPD preprocessor constants

This patch cleans up the VPD code by creating preprocessor definitions
and using them in the place of hardcoded constants.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c       | 15 ++++++++-------
 drivers/net/tg3.h       | 10 ++++++++--
 include/linux/ethtool.h |  3 ++-
 3 files changed, 18 insertions(+), 10 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 36f2e1b8cbb..2576effca84 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -12433,7 +12433,7 @@ skip_phy_reset:
 
 static void __devinit tg3_read_partno(struct tg3 *tp)
 {
-	unsigned char vpd_data[256];   /* in little-endian format */
+	unsigned char vpd_data[TG3_NVM_VPD_LEN];   /* in little-endian format */
 	unsigned int i;
 	u32 magic;
 
@@ -12442,14 +12442,14 @@ static void __devinit tg3_read_partno(struct tg3 *tp)
 		goto out_not_found;
 
 	if (magic == TG3_EEPROM_MAGIC) {
-		for (i = 0; i < 256; i += 4) {
+		for (i = 0; i < TG3_NVM_VPD_LEN; i += 4) {
 			u32 tmp;
 
 			/* The data is in little-endian format in NVRAM.
 			 * Use the big-endian read routines to preserve
 			 * the byte order as it exists in NVRAM.
 			 */
-			if (tg3_nvram_read_be32(tp, 0x100 + i, &tmp))
+			if (tg3_nvram_read_be32(tp, TG3_NVM_VPD_OFF + i, &tmp))
 				goto out_not_found;
 
 			memcpy(&vpd_data[i], &tmp, sizeof(tmp));
@@ -12458,7 +12458,7 @@ static void __devinit tg3_read_partno(struct tg3 *tp)
 		int vpd_cap;
 
 		vpd_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_VPD);
-		for (i = 0; i < 256; i += 4) {
+		for (i = 0; i < TG3_NVM_VPD_LEN; i += 4) {
 			u32 tmp, j = 0;
 			__le32 v;
 			u16 tmp16;
@@ -12483,7 +12483,7 @@ static void __devinit tg3_read_partno(struct tg3 *tp)
 	}
 
 	/* Now parse and find the part number. */
-	for (i = 0; i < 254; ) {
+	for (i = 0; i < TG3_NVM_VPD_LEN - 2; ) {
 		unsigned char val = vpd_data[i];
 		unsigned int block_end;
 
@@ -12502,7 +12502,7 @@ static void __devinit tg3_read_partno(struct tg3 *tp)
 			      (vpd_data[i + 2] << 8)));
 		i += 3;
 
-		if (block_end > 256)
+		if (block_end > TG3_NVM_VPD_LEN)
 			goto out_not_found;
 
 		while (i < (block_end - 2)) {
@@ -12511,7 +12511,8 @@ static void __devinit tg3_read_partno(struct tg3 *tp)
 				int partno_len = vpd_data[i + 2];
 
 				i += 3;
-				if (partno_len > 24 || (partno_len + i) > 256)
+				if (partno_len > TG3_BPN_SIZE ||
+				    (partno_len + i) > TG3_NVM_VPD_LEN)
 					goto out_not_found;
 
 				memcpy(tp->board_part_number,
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 6a2c31071ca..cd30889650f 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -1821,6 +1821,11 @@
 
 #define TG3_OTP_DEFAULT			0x286c1640
 
+
+/* Hardware Legacy NVRAM layout */
+#define TG3_NVM_VPD_OFF			0x100
+#define TG3_NVM_VPD_LEN			256
+
 /* Hardware Selfboot NVRAM layout */
 #define TG3_NVM_HWSB_CFG1		0x00000004
 #define  TG3_NVM_HWSB_CFG1_MAJMSK	0xf8000000
@@ -2893,8 +2898,9 @@ struct tg3 {
 	u32				led_ctrl;
 	u32				phy_otp;
 
-	char				board_part_number[24];
-#define TG3_VER_SIZE 32
+#define TG3_BPN_SIZE			24
+	char				board_part_number[TG3_BPN_SIZE];
+#define TG3_VER_SIZE			ETHTOOL_FWVERS_LEN
 	char				fw_ver[TG3_VER_SIZE];
 	u32				nic_sram_data_cfg;
 	u32				pci_clock_ctrl;
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index bcaa0e0a54d..ef4a2d84d92 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -49,13 +49,14 @@ static inline __u32 ethtool_cmd_speed(struct ethtool_cmd *ep)
 	return (ep->speed_hi << 16) | ep->speed;
 }
 
+#define ETHTOOL_FWVERS_LEN	32
 #define ETHTOOL_BUSINFO_LEN	32
 /* these strings are set to whatever the driver author decides... */
 struct ethtool_drvinfo {
 	__u32	cmd;
 	char	driver[32];	/* driver short name, "tulip", "eepro100" */
 	char	version[32];	/* driver version string */
-	char	fw_version[32];	/* firmware version string, if applicable */
+	char	fw_version[ETHTOOL_FWVERS_LEN];	/* firmware version string */
 	char	bus_info[ETHTOOL_BUSINFO_LEN];	/* Bus info for this IF. */
 				/* For PCI devices, use pci_name(pci_dev). */
 	char	reserved1[32];
-- 
GitLab


From 94c982bd9f07b801f03cebe32b20f893b4ad6d27 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Thu, 3 Dec 2009 08:36:23 +0000
Subject: [PATCH 1775/1815] tg3: Use pci_read_vpd() instead of private method

If the driver needs to use PCI configuration space to read the VPD data,
the accesses could collide with the pci_read_vpd() function.  This patch
converts the driver to use pci_read_vpd() to avoid any potential
collisions.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 35 ++++++++++++-----------------------
 1 file changed, 12 insertions(+), 23 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 2576effca84..f41debcf202 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -12455,31 +12455,20 @@ static void __devinit tg3_read_partno(struct tg3 *tp)
 			memcpy(&vpd_data[i], &tmp, sizeof(tmp));
 		}
 	} else {
-		int vpd_cap;
-
-		vpd_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_VPD);
-		for (i = 0; i < TG3_NVM_VPD_LEN; i += 4) {
-			u32 tmp, j = 0;
-			__le32 v;
-			u16 tmp16;
-
-			pci_write_config_word(tp->pdev, vpd_cap + PCI_VPD_ADDR,
-					      i);
-			while (j++ < 100) {
-				pci_read_config_word(tp->pdev, vpd_cap +
-						     PCI_VPD_ADDR, &tmp16);
-				if (tmp16 & 0x8000)
-					break;
-				msleep(1);
-			}
-			if (!(tmp16 & 0x8000))
+		ssize_t cnt;
+		unsigned int pos = 0, i = 0;
+
+		for (; pos < TG3_NVM_VPD_LEN && i < 3; i++, pos += cnt) {
+			cnt = pci_read_vpd(tp->pdev, pos,
+					   TG3_NVM_VPD_LEN - pos,
+					   &vpd_data[pos]);
+			if (cnt == -ETIMEDOUT || -EINTR)
+				cnt = 0;
+			else if (cnt < 0)
 				goto out_not_found;
-
-			pci_read_config_dword(tp->pdev, vpd_cap + PCI_VPD_DATA,
-					      &tmp);
-			v = cpu_to_le32(tmp);
-			memcpy(&vpd_data[i], &v, sizeof(v));
 		}
+		if (pos != TG3_NVM_VPD_LEN)
+			goto out_not_found;
 	}
 
 	/* Now parse and find the part number. */
-- 
GitLab


From 026a6c21646cf77ea838f3c121de29cdf948ca71 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Thu, 3 Dec 2009 08:36:24 +0000
Subject: [PATCH 1776/1815] tg3: Clean tg3_init_one()

Tg3's firmware is no longer loaded from tg3_init_one().  Remove the
error path that releases the firmware back to the system.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index f41debcf202..13c96bf14a9 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -14482,7 +14482,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
 	if (err) {
 		printk(KERN_ERR PFX "Could not obtain valid ethernet address, "
 		       "aborting.\n");
-		goto err_out_fw;
+		goto err_out_iounmap;
 	}
 
 	if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
@@ -14491,7 +14491,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
 			printk(KERN_ERR PFX "Cannot map APE registers, "
 			       "aborting.\n");
 			err = -ENOMEM;
-			goto err_out_fw;
+			goto err_out_iounmap;
 		}
 
 		tg3_ape_lock_init(tp);
@@ -14622,10 +14622,6 @@ err_out_apeunmap:
 		tp->aperegs = NULL;
 	}
 
-err_out_fw:
-	if (tp->fw)
-		release_firmware(tp->fw);
-
 err_out_iounmap:
 	if (tp->regs) {
 		iounmap(tp->regs);
-- 
GitLab


From cceea982ef78cf358b70f3412a6799f153211e14 Mon Sep 17 00:00:00 2001
From: Matt Carlson <mcarlson@broadcom.com>
Date: Thu, 3 Dec 2009 08:36:25 +0000
Subject: [PATCH 1777/1815] tg3: Update version to 3.105

This patch updates the tg3 version to 3.105.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/tg3.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 13c96bf14a9..3a74d216859 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -68,8 +68,8 @@
 
 #define DRV_MODULE_NAME		"tg3"
 #define PFX DRV_MODULE_NAME	": "
-#define DRV_MODULE_VERSION	"3.104"
-#define DRV_MODULE_RELDATE	"November 13, 2009"
+#define DRV_MODULE_VERSION	"3.105"
+#define DRV_MODULE_RELDATE	"December 2, 2009"
 
 #define TG3_DEF_MAC_MODE	0
 #define TG3_DEF_RX_MODE		0
-- 
GitLab


From 51bf6bb424c14bfd3590a0de03fbd07fc800435e Mon Sep 17 00:00:00 2001
From: Michael Chan <mchan@broadcom.com>
Date: Thu, 3 Dec 2009 09:46:31 +0000
Subject: [PATCH 1778/1815] bnx2: Protect tx timeout reset with rtnl_lock().

To prevent race conditions with other reset events.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 4cae2a86e74..03eb51f1c69 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -6263,8 +6263,11 @@ bnx2_reset_task(struct work_struct *work)
 {
 	struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
 
-	if (!netif_running(bp->dev))
+	rtnl_lock();
+	if (!netif_running(bp->dev)) {
+		rtnl_unlock();
 		return;
+	}
 
 	bnx2_netif_stop(bp);
 
@@ -6272,6 +6275,7 @@ bnx2_reset_task(struct work_struct *work)
 
 	atomic_set(&bp->intr_sem, 1);
 	bnx2_netif_start(bp);
+	rtnl_unlock();
 }
 
 static void
-- 
GitLab


From 20175c57f23cde2049c509eb00a2f9d373478107 Mon Sep 17 00:00:00 2001
From: Michael Chan <mchan@broadcom.com>
Date: Thu, 3 Dec 2009 09:46:32 +0000
Subject: [PATCH 1779/1815] bnx2: Dump some state during tx timeout.

To help debug the problem.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2.c | 23 +++++++++++++++++++++++
 drivers/net/bnx2.h |  2 ++
 2 files changed, 25 insertions(+)

diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 03eb51f1c69..665253a3e73 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -6278,11 +6278,34 @@ bnx2_reset_task(struct work_struct *work)
 	rtnl_unlock();
 }
 
+static void
+bnx2_dump_state(struct bnx2 *bp)
+{
+	struct net_device *dev = bp->dev;
+
+	printk(KERN_ERR PFX "%s DEBUG: intr_sem[%x]\n", dev->name,
+		atomic_read(&bp->intr_sem));
+	printk(KERN_ERR PFX "%s DEBUG: EMAC_TX_STATUS[%08x] "
+			    "RPM_MGMT_PKT_CTRL[%08x]\n", dev->name,
+		REG_RD(bp, BNX2_EMAC_TX_STATUS),
+		REG_RD(bp, BNX2_RPM_MGMT_PKT_CTRL));
+	printk(KERN_ERR PFX "%s DEBUG: MCP_STATE_P0[%08x] MCP_STATE_P1[%08x]\n",
+		dev->name, bnx2_reg_rd_ind(bp, BNX2_MCP_STATE_P0),
+		bnx2_reg_rd_ind(bp, BNX2_MCP_STATE_P1));
+	printk(KERN_ERR PFX "%s DEBUG: HC_STATS_INTERRUPT_STATUS[%08x]\n",
+		dev->name, REG_RD(bp, BNX2_HC_STATS_INTERRUPT_STATUS));
+	if (bp->flags & BNX2_FLAG_USING_MSIX)
+		printk(KERN_ERR PFX "%s DEBUG: PBA[%08x]\n", dev->name,
+			REG_RD(bp, BNX2_PCI_GRC_WINDOW3_BASE));
+}
+
 static void
 bnx2_tx_timeout(struct net_device *dev)
 {
 	struct bnx2 *bp = netdev_priv(dev);
 
+	bnx2_dump_state(bp);
+
 	/* This allows the netif to be shutdown gracefully before resetting */
 	schedule_work(&bp->reset_task);
 }
diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h
index 4908b9f7426..939dc44d50a 100644
--- a/drivers/net/bnx2.h
+++ b/drivers/net/bnx2.h
@@ -6345,6 +6345,8 @@ struct l2_fhdr {
 
 #define BNX2_MCP_ROM					0x00150000
 #define BNX2_MCP_SCRATCH				0x00160000
+#define BNX2_MCP_STATE_P1				 0x0016f9c8
+#define BNX2_MCP_STATE_P0				 0x0016fdc8
 
 #define BNX2_SHM_HDR_SIGNATURE				BNX2_MCP_SCRATCH
 #define BNX2_SHM_HDR_SIGNATURE_SIG_MASK			 0xffff0000
-- 
GitLab


From b929e53cb7796a8abe47174dfdfdf90cbb65a8bf Mon Sep 17 00:00:00 2001
From: Michael Chan <mchan@broadcom.com>
Date: Thu, 3 Dec 2009 09:46:33 +0000
Subject: [PATCH 1780/1815] bnx2: Print warning when unable to allocate the
 full SKB/page ring.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 665253a3e73..dba3840d7df 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -5158,8 +5158,12 @@ bnx2_init_rx_ring(struct bnx2 *bp, int ring_num)
 
 	ring_prod = prod = rxr->rx_pg_prod;
 	for (i = 0; i < bp->rx_pg_ring_size; i++) {
-		if (bnx2_alloc_rx_page(bp, rxr, ring_prod) < 0)
+		if (bnx2_alloc_rx_page(bp, rxr, ring_prod) < 0) {
+			printk(KERN_WARNING PFX "%s: init'ed rx page ring %d "
+						"with %d/%d pages only\n",
+			       bp->dev->name, ring_num, i, bp->rx_pg_ring_size);
 			break;
+		}
 		prod = NEXT_RX_BD(prod);
 		ring_prod = RX_PG_RING_IDX(prod);
 	}
@@ -5167,8 +5171,12 @@ bnx2_init_rx_ring(struct bnx2 *bp, int ring_num)
 
 	ring_prod = prod = rxr->rx_prod;
 	for (i = 0; i < bp->rx_ring_size; i++) {
-		if (bnx2_alloc_rx_skb(bp, rxr, ring_prod) < 0)
+		if (bnx2_alloc_rx_skb(bp, rxr, ring_prod) < 0) {
+			printk(KERN_WARNING PFX "%s: init'ed rx ring %d with "
+						"%d/%d skbs only\n",
+			       bp->dev->name, ring_num, i, bp->rx_ring_size);
 			break;
+		}
 		prod = NEXT_RX_BD(prod);
 		ring_prod = RX_RING_IDX(prod);
 	}
-- 
GitLab


From 76d9906170259b581691c3cec6bc5d4ab3aaaede Mon Sep 17 00:00:00 2001
From: Michael Chan <mchan@broadcom.com>
Date: Thu, 3 Dec 2009 09:46:34 +0000
Subject: [PATCH 1781/1815] bnx2: Read firmware version from VPD.

And display it through ethtool -i.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2.c | 102 +++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 99 insertions(+), 3 deletions(-)

diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index dba3840d7df..b7bc74b0d1b 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -7722,6 +7722,93 @@ bnx2_get_pci_speed(struct bnx2 *bp)
 
 }
 
+static void __devinit
+bnx2_read_vpd_fw_ver(struct bnx2 *bp)
+{
+	int rc, i, v0_len = 0;
+	u8 *data;
+	u8 *v0_str = NULL;
+	bool mn_match = false;
+
+#define BNX2_MAX_VER_SLEN	30
+
+	data = kmalloc(256, GFP_KERNEL);
+	if (!data)
+		return;
+
+	rc = bnx2_nvram_read(bp, 0x300, data + 128, 128);
+	if (rc)
+		goto vpd_done;
+
+	for (i = 0; i < 128; i += 4) {
+		data[i] = data[i + 131];
+		data[i + 1] = data[i + 130];
+		data[i + 2] = data[i + 129];
+		data[i + 3] = data[i + 128];
+	}
+
+	for (i = 0; i < 128; ) {
+		unsigned char val = data[i];
+		unsigned int block_end;
+
+		if (val == 0x82 || val == 0x91) {
+			i = (i + 3 + (data[i + 1] + (data[i + 2] << 8)));
+			continue;
+		}
+
+		if (val != 0x90)
+			goto vpd_done;
+
+		block_end = (i + 3 + (data[i + 1] + (data[i + 2] << 8)));
+		i += 3;
+
+		if (block_end > 128)
+			goto vpd_done;
+
+		while (i < (block_end - 2)) {
+			if (data[i] == 'M' && data[i + 1] == 'N') {
+				int mn_len = data[i + 2];
+
+				if (mn_len != 4)
+					goto vpd_done;
+
+				i += 3;
+				if (memcmp(&data[i], "1028", 4))
+					goto vpd_done;
+				mn_match = true;
+				i += 4;
+
+			} else if (data[i] == 'V' && data[i + 1] == '0') {
+				v0_len = data[i + 2];
+
+				i += 3;
+				if (v0_len > BNX2_MAX_VER_SLEN ||
+				    (v0_len + i) > 128)
+					goto vpd_done;
+
+				if (v0_len > BNX2_MAX_VER_SLEN)
+					v0_len = BNX2_MAX_VER_SLEN;
+
+				v0_str = &data[i];
+				i += data[i + 2];
+
+			} else {
+				i += 3 + data[i + 2];
+			}
+
+			if (mn_match && v0_str) {
+				memcpy(bp->fw_version, v0_str, v0_len);
+				bp->fw_version[v0_len] = ' ';
+				goto vpd_done;
+			}
+		}
+		goto vpd_done;
+	}
+
+vpd_done:
+	kfree(data);
+}
+
 static int __devinit
 bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
 {
@@ -7895,10 +7982,18 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
 		goto err_out_unmap;
 	}
 
+	bnx2_read_vpd_fw_ver(bp);
+
+	j = strlen(bp->fw_version);
 	reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
-	for (i = 0, j = 0; i < 3; i++) {
+	for (i = 0; i < 3 && j < 24; i++) {
 		u8 num, k, skip0;
 
+		if (i == 0) {
+			bp->fw_version[j++] = 'b';
+			bp->fw_version[j++] = 'c';
+			bp->fw_version[j++] = ' ';
+		}
 		num = (u8) (reg >> (24 - (i * 8)));
 		for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
 			if (num >= k || !skip0 || k == 1) {
@@ -7929,8 +8024,9 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
 	    reg != BNX2_CONDITION_MFW_RUN_NONE) {
 		u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
 
-		bp->fw_version[j++] = ' ';
-		for (i = 0; i < 3; i++) {
+		if (j < 32)
+			bp->fw_version[j++] = ' ';
+		for (i = 0; i < 3 && j < 28; i++) {
 			reg = bnx2_reg_rd_ind(bp, addr + i * 4);
 			reg = swab32(reg);
 			memcpy(&bp->fw_version[j], &reg, 4);
-- 
GitLab


From 55dbabee63462a455d8fb57caf08b69db256b012 Mon Sep 17 00:00:00 2001
From: Michael Chan <mchan@broadcom.com>
Date: Thu, 3 Dec 2009 09:46:35 +0000
Subject: [PATCH 1782/1815] bnx2: Update version to 2.0.3.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index b7bc74b0d1b..cf4322d0182 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -59,8 +59,8 @@
 
 #define DRV_MODULE_NAME		"bnx2"
 #define PFX DRV_MODULE_NAME	": "
-#define DRV_MODULE_VERSION	"2.0.2"
-#define DRV_MODULE_RELDATE	"Aug 21, 2009"
+#define DRV_MODULE_VERSION	"2.0.3"
+#define DRV_MODULE_RELDATE	"Dec 03, 2009"
 #define FW_MIPS_FILE_06		"bnx2/bnx2-mips-06-5.0.0.j3.fw"
 #define FW_RV2P_FILE_06		"bnx2/bnx2-rv2p-06-5.0.0.j3.fw"
 #define FW_MIPS_FILE_09		"bnx2/bnx2-mips-09-5.0.0.j3.fw"
-- 
GitLab


From 7f515790274d26d710303b7a1f23571ca93a6288 Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oliver@neukum.org>
Date: Thu, 3 Dec 2009 11:41:07 +0000
Subject: [PATCH 1783/1815] cdc-ether: Implement reset_resume()

Normal resume can do double duty as reset_resume() for this driver
as it keeps no state in the device

Signed-off-by: Oliver Neukum <oliver@neukum.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/usb/cdc_ether.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index de3e3659677..197912d9c04 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -618,6 +618,7 @@ static struct usb_driver cdc_driver = {
 	.disconnect =	usbnet_disconnect,
 	.suspend =	usbnet_suspend,
 	.resume =	usbnet_resume,
+	.reset_resume =	usbnet_resume,
 };
 
 
-- 
GitLab


From 69ee472f2706371ca639de49b06df91615c07d8d Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oliver@neukum.org>
Date: Thu, 3 Dec 2009 15:31:18 -0800
Subject: [PATCH 1784/1815] usbnet & cdc-ether: Autosuspend for online devices

Using remote wakeup and delayed transmission to allow
online device to go into usb autosuspend.
Minimal alternate support for devices that don't support
remote wakeup.

Signed-off-by: Oliver Neukum <oliver@neukum.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/usb/cdc_ether.c |   8 ++
 drivers/net/usb/usbnet.c    | 157 +++++++++++++++++++++++++++++-------
 include/linux/usb/usbnet.h  |   6 ++
 3 files changed, 142 insertions(+), 29 deletions(-)

diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index 197912d9c04..21e183a83b9 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -411,6 +411,12 @@ static int cdc_bind(struct usbnet *dev, struct usb_interface *intf)
 	return 0;
 }
 
+static int cdc_manage_power(struct usbnet *dev, int on)
+{
+	dev->intf->needs_remote_wakeup = on;
+	return 0;
+}
+
 static const struct driver_info	cdc_info = {
 	.description =	"CDC Ethernet Device",
 	.flags =	FLAG_ETHER | FLAG_LINK_INTR,
@@ -418,6 +424,7 @@ static const struct driver_info	cdc_info = {
 	.bind =		cdc_bind,
 	.unbind =	usbnet_cdc_unbind,
 	.status =	cdc_status,
+	.manage_power =	cdc_manage_power,
 };
 
 static const struct driver_info mbm_info = {
@@ -619,6 +626,7 @@ static struct usb_driver cdc_driver = {
 	.suspend =	usbnet_suspend,
 	.resume =	usbnet_resume,
 	.reset_resume =	usbnet_resume,
+	.supports_autosuspend = 1,
 };
 
 
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 511e7bdc457..035fab04c0a 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -353,7 +353,8 @@ static void rx_submit (struct usbnet *dev, struct urb *urb, gfp_t flags)
 
 	if (netif_running (dev->net) &&
 	    netif_device_present (dev->net) &&
-	    !test_bit (EVENT_RX_HALT, &dev->flags)) {
+	    !test_bit (EVENT_RX_HALT, &dev->flags) &&
+	    !test_bit (EVENT_DEV_ASLEEP, &dev->flags)) {
 		switch (retval = usb_submit_urb (urb, GFP_ATOMIC)) {
 		case -EPIPE:
 			usbnet_defer_kevent (dev, EVENT_RX_HALT);
@@ -611,15 +612,39 @@ EXPORT_SYMBOL_GPL(usbnet_unlink_rx_urbs);
 /*-------------------------------------------------------------------------*/
 
 // precondition: never called in_interrupt
+static void usbnet_terminate_urbs(struct usbnet *dev)
+{
+	DECLARE_WAIT_QUEUE_HEAD_ONSTACK(unlink_wakeup);
+	DECLARE_WAITQUEUE(wait, current);
+	int temp;
+
+	/* ensure there are no more active urbs */
+	add_wait_queue(&unlink_wakeup, &wait);
+	set_current_state(TASK_UNINTERRUPTIBLE);
+	dev->wait = &unlink_wakeup;
+	temp = unlink_urbs(dev, &dev->txq) +
+		unlink_urbs(dev, &dev->rxq);
+
+	/* maybe wait for deletions to finish. */
+	while (!skb_queue_empty(&dev->rxq)
+		&& !skb_queue_empty(&dev->txq)
+		&& !skb_queue_empty(&dev->done)) {
+			schedule_timeout(UNLINK_TIMEOUT_MS);
+			set_current_state(TASK_UNINTERRUPTIBLE);
+			if (netif_msg_ifdown(dev))
+				devdbg(dev, "waited for %d urb completions",
+					temp);
+	}
+	set_current_state(TASK_RUNNING);
+	dev->wait = NULL;
+	remove_wait_queue(&unlink_wakeup, &wait);
+}
 
 int usbnet_stop (struct net_device *net)
 {
 	struct usbnet		*dev = netdev_priv(net);
 	struct driver_info	*info = dev->driver_info;
-	int			temp;
 	int			retval;
-	DECLARE_WAIT_QUEUE_HEAD_ONSTACK (unlink_wakeup);
-	DECLARE_WAITQUEUE (wait, current);
 
 	netif_stop_queue (net);
 
@@ -641,25 +666,8 @@ int usbnet_stop (struct net_device *net)
 				info->description);
 	}
 
-	if (!(info->flags & FLAG_AVOID_UNLINK_URBS)) {
-		/* ensure there are no more active urbs */
-		add_wait_queue(&unlink_wakeup, &wait);
-		dev->wait = &unlink_wakeup;
-		temp = unlink_urbs(dev, &dev->txq) +
-			unlink_urbs(dev, &dev->rxq);
-
-		/* maybe wait for deletions to finish. */
-		while (!skb_queue_empty(&dev->rxq) &&
-		       !skb_queue_empty(&dev->txq) &&
-		       !skb_queue_empty(&dev->done)) {
-			msleep(UNLINK_TIMEOUT_MS);
-			if (netif_msg_ifdown(dev))
-				devdbg(dev, "waited for %d urb completions",
-					temp);
-		}
-		dev->wait = NULL;
-		remove_wait_queue(&unlink_wakeup, &wait);
-	}
+	if (!(info->flags & FLAG_AVOID_UNLINK_URBS))
+		usbnet_terminate_urbs(dev);
 
 	usb_kill_urb(dev->interrupt);
 
@@ -672,7 +680,10 @@ int usbnet_stop (struct net_device *net)
 	dev->flags = 0;
 	del_timer_sync (&dev->delay);
 	tasklet_kill (&dev->bh);
-	usb_autopm_put_interface(dev->intf);
+	if (info->manage_power)
+		info->manage_power(dev, 0);
+	else
+		usb_autopm_put_interface(dev->intf);
 
 	return 0;
 }
@@ -753,6 +764,12 @@ int usbnet_open (struct net_device *net)
 
 	// delay posting reads until we're fully open
 	tasklet_schedule (&dev->bh);
+	if (info->manage_power) {
+		retval = info->manage_power(dev, 1);
+		if (retval < 0)
+			goto done;
+		usb_autopm_put_interface(dev->intf);
+	}
 	return retval;
 done:
 	usb_autopm_put_interface(dev->intf);
@@ -881,11 +898,16 @@ kevent (struct work_struct *work)
 	/* usb_clear_halt() needs a thread context */
 	if (test_bit (EVENT_TX_HALT, &dev->flags)) {
 		unlink_urbs (dev, &dev->txq);
+		status = usb_autopm_get_interface(dev->intf);
+		if (status < 0)
+			goto fail_pipe;
 		status = usb_clear_halt (dev->udev, dev->out);
+		usb_autopm_put_interface(dev->intf);
 		if (status < 0 &&
 		    status != -EPIPE &&
 		    status != -ESHUTDOWN) {
 			if (netif_msg_tx_err (dev))
+fail_pipe:
 				deverr (dev, "can't clear tx halt, status %d",
 					status);
 		} else {
@@ -896,11 +918,16 @@ kevent (struct work_struct *work)
 	}
 	if (test_bit (EVENT_RX_HALT, &dev->flags)) {
 		unlink_urbs (dev, &dev->rxq);
+		status = usb_autopm_get_interface(dev->intf);
+		if (status < 0)
+			goto fail_halt;
 		status = usb_clear_halt (dev->udev, dev->in);
+		usb_autopm_put_interface(dev->intf);
 		if (status < 0 &&
 		    status != -EPIPE &&
 		    status != -ESHUTDOWN) {
 			if (netif_msg_rx_err (dev))
+fail_halt:
 				deverr (dev, "can't clear rx halt, status %d",
 					status);
 		} else {
@@ -919,7 +946,12 @@ kevent (struct work_struct *work)
 			clear_bit (EVENT_RX_MEMORY, &dev->flags);
 		if (urb != NULL) {
 			clear_bit (EVENT_RX_MEMORY, &dev->flags);
+			status = usb_autopm_get_interface(dev->intf);
+			if (status < 0)
+				goto fail_lowmem;
 			rx_submit (dev, urb, GFP_KERNEL);
+			usb_autopm_put_interface(dev->intf);
+fail_lowmem:
 			tasklet_schedule (&dev->bh);
 		}
 	}
@@ -929,11 +961,18 @@ kevent (struct work_struct *work)
 		int			retval = 0;
 
 		clear_bit (EVENT_LINK_RESET, &dev->flags);
+		status = usb_autopm_get_interface(dev->intf);
+		if (status < 0)
+			goto skip_reset;
 		if(info->link_reset && (retval = info->link_reset(dev)) < 0) {
+			usb_autopm_put_interface(dev->intf);
+skip_reset:
 			devinfo(dev, "link reset failed (%d) usbnet usb-%s-%s, %s",
 				retval,
 				dev->udev->bus->bus_name, dev->udev->devpath,
 				info->description);
+		} else {
+			usb_autopm_put_interface(dev->intf);
 		}
 	}
 
@@ -971,6 +1010,7 @@ static void tx_complete (struct urb *urb)
 		case -EPROTO:
 		case -ETIME:
 		case -EILSEQ:
+			usb_mark_last_busy(dev->udev);
 			if (!timer_pending (&dev->delay)) {
 				mod_timer (&dev->delay,
 					jiffies + THROTTLE_JIFFIES);
@@ -987,6 +1027,7 @@ static void tx_complete (struct urb *urb)
 		}
 	}
 
+	usb_autopm_put_interface_async(dev->intf);
 	urb->dev = NULL;
 	entry->state = tx_done;
 	defer_bh(dev, skb, &dev->txq);
@@ -1057,14 +1098,34 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb,
 		}
 	}
 
-	spin_lock_irqsave (&dev->txq.lock, flags);
+	spin_lock_irqsave(&dev->txq.lock, flags);
+	retval = usb_autopm_get_interface_async(dev->intf);
+	if (retval < 0) {
+		spin_unlock_irqrestore(&dev->txq.lock, flags);
+		goto drop;
+	}
+
+#ifdef CONFIG_PM
+	/* if this triggers the device is still a sleep */
+	if (test_bit(EVENT_DEV_ASLEEP, &dev->flags)) {
+		/* transmission will be done in resume */
+		usb_anchor_urb(urb, &dev->deferred);
+		/* no use to process more packets */
+		netif_stop_queue(net);
+		spin_unlock_irqrestore(&dev->txq.lock, flags);
+		devdbg(dev, "Delaying transmission for resumption");
+		goto deferred;
+	}
+#endif
 
 	switch ((retval = usb_submit_urb (urb, GFP_ATOMIC))) {
 	case -EPIPE:
 		netif_stop_queue (net);
 		usbnet_defer_kevent (dev, EVENT_TX_HALT);
+		usb_autopm_put_interface_async(dev->intf);
 		break;
 	default:
+		usb_autopm_put_interface_async(dev->intf);
 		if (netif_msg_tx_err (dev))
 			devdbg (dev, "tx: submit urb err %d", retval);
 		break;
@@ -1088,6 +1149,9 @@ drop:
 		devdbg (dev, "> tx, len %d, type 0x%x",
 			length, skb->protocol);
 	}
+#ifdef CONFIG_PM
+deferred:
+#endif
 	return NETDEV_TX_OK;
 }
 EXPORT_SYMBOL_GPL(usbnet_start_xmit);
@@ -1263,6 +1327,7 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
 	dev->bh.func = usbnet_bh;
 	dev->bh.data = (unsigned long) dev;
 	INIT_WORK (&dev->kevent, kevent);
+	init_usb_anchor(&dev->deferred);
 	dev->delay.function = usbnet_bh;
 	dev->delay.data = (unsigned long) dev;
 	init_timer (&dev->delay);
@@ -1382,13 +1447,23 @@ int usbnet_suspend (struct usb_interface *intf, pm_message_t message)
 	struct usbnet		*dev = usb_get_intfdata(intf);
 
 	if (!dev->suspend_count++) {
+		spin_lock_irq(&dev->txq.lock);
+		/* don't autosuspend while transmitting */
+		if (dev->txq.qlen && (message.event & PM_EVENT_AUTO)) {
+			spin_unlock_irq(&dev->txq.lock);
+			return -EBUSY;
+		} else {
+			set_bit(EVENT_DEV_ASLEEP, &dev->flags);
+			spin_unlock_irq(&dev->txq.lock);
+		}
 		/*
 		 * accelerate emptying of the rx and queues, to avoid
 		 * having everything error out.
 		 */
 		netif_device_detach (dev->net);
-		(void) unlink_urbs (dev, &dev->rxq);
-		(void) unlink_urbs (dev, &dev->txq);
+		usbnet_terminate_urbs(dev);
+		usb_kill_urb(dev->interrupt);
+
 		/*
 		 * reattach so runtime management can use and
 		 * wake the device
@@ -1402,10 +1477,34 @@ EXPORT_SYMBOL_GPL(usbnet_suspend);
 int usbnet_resume (struct usb_interface *intf)
 {
 	struct usbnet		*dev = usb_get_intfdata(intf);
+	struct sk_buff          *skb;
+	struct urb              *res;
+	int                     retval;
+
+	if (!--dev->suspend_count) {
+		spin_lock_irq(&dev->txq.lock);
+		while ((res = usb_get_from_anchor(&dev->deferred))) {
+
+			printk(KERN_INFO"%s has delayed data\n", __func__);
+			skb = (struct sk_buff *)res->context;
+			retval = usb_submit_urb(res, GFP_ATOMIC);
+			if (retval < 0) {
+				dev_kfree_skb_any(skb);
+				usb_free_urb(res);
+				usb_autopm_put_interface_async(dev->intf);
+			} else {
+				dev->net->trans_start = jiffies;
+				__skb_queue_tail(&dev->txq, skb);
+			}
+		}
 
-	if (!--dev->suspend_count)
+		smp_mb();
+		clear_bit(EVENT_DEV_ASLEEP, &dev->flags);
+		spin_unlock_irq(&dev->txq.lock);
+		if (!(dev->txq.qlen >= TX_QLEN(dev)))
+			netif_start_queue(dev->net);
 		tasklet_schedule (&dev->bh);
-
+	}
 	return 0;
 }
 EXPORT_SYMBOL_GPL(usbnet_resume);
diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h
index 8c84881f847..8ce61359bf7 100644
--- a/include/linux/usb/usbnet.h
+++ b/include/linux/usb/usbnet.h
@@ -55,6 +55,7 @@ struct usbnet {
 	struct sk_buff_head	done;
 	struct sk_buff_head	rxq_pause;
 	struct urb		*interrupt;
+	struct usb_anchor	deferred;
 	struct tasklet_struct	bh;
 
 	struct work_struct	kevent;
@@ -65,6 +66,8 @@ struct usbnet {
 #		define EVENT_STS_SPLIT	3
 #		define EVENT_LINK_RESET	4
 #		define EVENT_RX_PAUSED	5
+#		define EVENT_DEV_WAKING 6
+#		define EVENT_DEV_ASLEEP 7
 };
 
 static inline struct usb_driver *driver_of(struct usb_interface *intf)
@@ -109,6 +112,9 @@ struct driver_info {
 	/* see if peer is connected ... can sleep */
 	int	(*check_connect)(struct usbnet *);
 
+	/* (dis)activate runtime power management */
+	int	(*manage_power)(struct usbnet *, int);
+
 	/* for status polling */
 	void	(*status)(struct usbnet *, struct urb *);
 
-- 
GitLab


From 61a0f421ceccd52d0d893daf743b04c225ba5ef0 Mon Sep 17 00:00:00 2001
From: Yi Zou <yi.zou@intel.com>
Date: Thu, 3 Dec 2009 11:32:22 +0000
Subject: [PATCH 1785/1815] ixgbe: use known user priority for FCoE when DCB is
 enabled

Store the user priority for FCoE and use it directly for outgoing
FCoE traffic when DCB is enabled.

Signed-off-by: Yi Zou <yi.zou@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ixgbe/ixgbe_fcoe.c | 30 +++++++++++++++++-------------
 drivers/net/ixgbe/ixgbe_fcoe.h |  3 +++
 drivers/net/ixgbe/ixgbe_main.c |  8 ++++++++
 3 files changed, 28 insertions(+), 13 deletions(-)

diff --git a/drivers/net/ixgbe/ixgbe_fcoe.c b/drivers/net/ixgbe/ixgbe_fcoe.c
index edecdc853c1..da32a108a7b 100644
--- a/drivers/net/ixgbe/ixgbe_fcoe.c
+++ b/drivers/net/ixgbe/ixgbe_fcoe.c
@@ -499,6 +499,10 @@ void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter)
 	struct ixgbe_hw *hw = &adapter->hw;
 	struct ixgbe_fcoe *fcoe = &adapter->fcoe;
 	struct ixgbe_ring_feature *f = &adapter->ring_feature[RING_F_FCOE];
+#ifdef CONFIG_IXGBE_DCB
+	u8 tc;
+	u32 up2tc;
+#endif
 
 	/* create the pool for ddp if not created yet */
 	if (!fcoe->pool) {
@@ -540,6 +544,17 @@ void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter)
 			IXGBE_FCRXCTRL_FCOELLI |
 			IXGBE_FCRXCTRL_FCCRCBO |
 			(FC_FCOE_VER << IXGBE_FCRXCTRL_FCOEVER_SHIFT));
+#ifdef CONFIG_IXGBE_DCB
+	up2tc = IXGBE_READ_REG(&adapter->hw, IXGBE_RTTUP2TC);
+	for (i = 0; i < MAX_USER_PRIORITY; i++) {
+		tc = (u8)(up2tc >> (i * IXGBE_RTTUP2TC_UP_SHIFT));
+		tc &= (MAX_TRAFFIC_CLASS - 1);
+		if (fcoe->tc == tc) {
+			fcoe->up = i;
+			break;
+		}
+	}
+#endif
 }
 
 /**
@@ -671,19 +686,7 @@ out_disable:
  */
 u8 ixgbe_fcoe_getapp(struct ixgbe_adapter *adapter)
 {
-	int i;
-	u8 tc;
-	u32 up2tc;
-
-	up2tc = IXGBE_READ_REG(&adapter->hw, IXGBE_RTTUP2TC);
-	for (i = 0; i < MAX_USER_PRIORITY; i++) {
-		tc = (u8)(up2tc >> (i * IXGBE_RTTUP2TC_UP_SHIFT));
-		tc &= (MAX_TRAFFIC_CLASS - 1);
-		if (adapter->fcoe.tc == tc)
-			return 1 << i;
-	}
-
-	return 0;
+	return 1 << adapter->fcoe.up;
 }
 
 /**
@@ -710,6 +713,7 @@ u8 ixgbe_fcoe_setapp(struct ixgbe_adapter *adapter, u8 up)
 				up2tc >>= (i * IXGBE_RTTUP2TC_UP_SHIFT);
 				up2tc &= (MAX_TRAFFIC_CLASS - 1);
 				adapter->fcoe.tc = (u8)up2tc;
+				adapter->fcoe.up = i;
 				return 0;
 			}
 		}
diff --git a/drivers/net/ixgbe/ixgbe_fcoe.h b/drivers/net/ixgbe/ixgbe_fcoe.h
index b5dee7b3ef1..de8ff53187d 100644
--- a/drivers/net/ixgbe/ixgbe_fcoe.h
+++ b/drivers/net/ixgbe/ixgbe_fcoe.h
@@ -62,7 +62,10 @@ struct ixgbe_fcoe_ddp {
 };
 
 struct ixgbe_fcoe {
+#ifdef CONFIG_IXGBE_DCB
 	u8 tc;
+	u8 up;
+#endif
 	spinlock_t lock;
 	struct pci_pool *pool;
 	struct ixgbe_fcoe_ddp ddp[IXGBE_FCOE_DDP_MAX];
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 9ba506f6ef2..09990ed105f 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -3958,8 +3958,10 @@ static int __devinit ixgbe_sw_init(struct ixgbe_adapter *adapter)
 		adapter->flags |= IXGBE_FLAG_FCOE_CAPABLE;
 		adapter->flags &= ~IXGBE_FLAG_FCOE_ENABLED;
 		adapter->ring_feature[RING_F_FCOE].indices = 0;
+#ifdef CONFIG_IXGBE_DCB
 		/* Default traffic class to use for FCoE */
 		adapter->fcoe.tc = IXGBE_FCOE_DEFTC;
+#endif
 #endif /* IXGBE_FCOE */
 	}
 
@@ -5332,6 +5334,12 @@ static netdev_tx_t ixgbe_xmit_frame(struct sk_buff *skb,
 	    (skb->protocol == htons(ETH_P_FCOE))) {
 		tx_flags |= IXGBE_TX_FLAGS_FCOE;
 #ifdef IXGBE_FCOE
+#ifdef CONFIG_IXGBE_DCB
+		tx_flags &= ~(IXGBE_TX_FLAGS_VLAN_PRIO_MASK
+			      << IXGBE_TX_FLAGS_VLAN_SHIFT);
+		tx_flags |= ((adapter->fcoe.up << 13)
+			      << IXGBE_TX_FLAGS_VLAN_SHIFT);
+#endif
 		r_idx = smp_processor_id();
 		r_idx &= (adapter->ring_feature[RING_F_FCOE].indices - 1);
 		r_idx += adapter->ring_feature[RING_F_FCOE].mask;
-- 
GitLab


From 5f715823a0f54ed010af9a27677ff8e992d745e8 Mon Sep 17 00:00:00 2001
From: Yi Zou <yi.zou@intel.com>
Date: Thu, 3 Dec 2009 11:32:44 +0000
Subject: [PATCH 1786/1815] ixgbe: select FCoE Tx queue in ndo_select_queue

This removes the Tx queue selection for FCoE traffic from ixgbe_xmit_frame()
and does it in the ndo_select_queue() call, moving all Tx queue selection
into a single routine.

Signed-off-by: Yi Zou <yi.zou@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ixgbe/ixgbe_main.c | 24 ++++++++++++++----------
 1 file changed, 14 insertions(+), 10 deletions(-)

diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 09990ed105f..e3dc68ba4b7 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -5286,10 +5286,19 @@ static int ixgbe_maybe_stop_tx(struct net_device *netdev,
 static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb)
 {
 	struct ixgbe_adapter *adapter = netdev_priv(dev);
+	int txq = smp_processor_id();
 
 	if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE)
-		return smp_processor_id();
+		return txq;
 
+#ifdef IXGBE_FCOE
+	if ((adapter->flags & IXGBE_FLAG_FCOE_ENABLED) &&
+	    (skb->protocol == htons(ETH_P_FCOE))) {
+		txq &= (adapter->ring_feature[RING_F_FCOE].indices - 1);
+		txq += adapter->ring_feature[RING_F_FCOE].mask;
+		return txq;
+	}
+#endif
 	if (adapter->flags & IXGBE_FLAG_DCB_ENABLED)
 		return (skb->vlan_tci & IXGBE_TX_FLAGS_VLAN_PRIO_MASK) >> 13;
 
@@ -5304,7 +5313,7 @@ static netdev_tx_t ixgbe_xmit_frame(struct sk_buff *skb,
 	unsigned int first;
 	unsigned int tx_flags = 0;
 	u8 hdr_len = 0;
-	int r_idx = 0, tso;
+	int tso;
 	int count = 0;
 	unsigned int f;
 
@@ -5312,13 +5321,13 @@ static netdev_tx_t ixgbe_xmit_frame(struct sk_buff *skb,
 		tx_flags |= vlan_tx_tag_get(skb);
 		if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
 			tx_flags &= ~IXGBE_TX_FLAGS_VLAN_PRIO_MASK;
-			tx_flags |= (skb->queue_mapping << 13);
+			tx_flags |= ((skb->queue_mapping & 0x7) << 13);
 		}
 		tx_flags <<= IXGBE_TX_FLAGS_VLAN_SHIFT;
 		tx_flags |= IXGBE_TX_FLAGS_VLAN;
 	} else if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
 		if (skb->priority != TC_PRIO_CONTROL) {
-			tx_flags |= (skb->queue_mapping << 13);
+			tx_flags |= ((skb->queue_mapping & 0x7) << 13);
 			tx_flags <<= IXGBE_TX_FLAGS_VLAN_SHIFT;
 			tx_flags |= IXGBE_TX_FLAGS_VLAN;
 		} else {
@@ -5327,8 +5336,7 @@ static netdev_tx_t ixgbe_xmit_frame(struct sk_buff *skb,
 		}
 	}
 
-	r_idx = skb->queue_mapping;
-	tx_ring = &adapter->tx_ring[r_idx];
+	tx_ring = &adapter->tx_ring[skb->queue_mapping];
 
 	if ((adapter->flags & IXGBE_FLAG_FCOE_ENABLED) &&
 	    (skb->protocol == htons(ETH_P_FCOE))) {
@@ -5340,10 +5348,6 @@ static netdev_tx_t ixgbe_xmit_frame(struct sk_buff *skb,
 		tx_flags |= ((adapter->fcoe.up << 13)
 			      << IXGBE_TX_FLAGS_VLAN_SHIFT);
 #endif
-		r_idx = smp_processor_id();
-		r_idx &= (adapter->ring_feature[RING_F_FCOE].indices - 1);
-		r_idx += adapter->ring_feature[RING_F_FCOE].mask;
-		tx_ring = &adapter->tx_ring[r_idx];
 #endif
 	}
 	/* four things can cause us to need a context descriptor */
-- 
GitLab


From 6bacb3007928deeb30ddd2a3b6d5011bc7e5a01f Mon Sep 17 00:00:00 2001
From: Jesse Brandeburg <jesse.brandeburg@intel.com>
Date: Thu, 3 Dec 2009 11:33:07 +0000
Subject: [PATCH 1787/1815] ixgbe: change default ring size

decrease the memory utilization of the tx / rx queue allocation
by changing the default ring size to 512 (from 1024).  At
1024 rx entries of 2KB each (from 4kB slab) with 16 queues
ixgbe was using 64 MB of memory per port, which is not
necessary.

Users can still change queue lengths with ethtool -k.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ixgbe/ixgbe.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h
index 7e35e97227b..91d80b73135 100644
--- a/drivers/net/ixgbe/ixgbe.h
+++ b/drivers/net/ixgbe/ixgbe.h
@@ -51,11 +51,11 @@
 		__func__ , ## args)))
 
 /* TX/RX descriptor defines */
-#define IXGBE_DEFAULT_TXD		   1024
+#define IXGBE_DEFAULT_TXD		    512
 #define IXGBE_MAX_TXD			   4096
 #define IXGBE_MIN_TXD			     64
 
-#define IXGBE_DEFAULT_RXD		   1024
+#define IXGBE_DEFAULT_RXD		    512
 #define IXGBE_MAX_RXD			   4096
 #define IXGBE_MIN_RXD			     64
 
-- 
GitLab


From 7ca3bc582cd24c2e6c0693a2ba2c71f3c2419c8b Mon Sep 17 00:00:00 2001
From: Jesse Brandeburg <jesse.brandeburg@intel.com>
Date: Thu, 3 Dec 2009 11:33:29 +0000
Subject: [PATCH 1788/1815] ixgbe: performance tweaks

drop variables that had cache lines modified in simultaneous hot paths.
keep some variables modified on hot paths but make their storage per queue.
cache align DMA data buffer start addresses.
cache align (padding) some structures that end within a cacheline.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ixgbe/ixgbe.h         | 20 +++++++++----------
 drivers/net/ixgbe/ixgbe_ethtool.c |  5 -----
 drivers/net/ixgbe/ixgbe_main.c    | 32 +++++++++++++++++--------------
 3 files changed, 27 insertions(+), 30 deletions(-)

diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h
index 91d80b73135..8da8eb53508 100644
--- a/drivers/net/ixgbe/ixgbe.h
+++ b/drivers/net/ixgbe/ixgbe.h
@@ -161,10 +161,12 @@ struct ixgbe_ring {
 	unsigned long reinit_state;
 	u64 rsc_count;			/* stat for coalesced packets */
 	u64 rsc_flush;			/* stats for flushed packets */
+	u32 restart_queue;		/* track tx queue restarts */
+	u32 non_eop_descs;		/* track hardware descriptor chaining */
 
 	unsigned int size;		/* length in bytes */
 	dma_addr_t dma;			/* phys. address of descriptor ring */
-};
+} ____cacheline_internodealigned_in_smp;
 
 enum ixgbe_ring_f_enum {
 	RING_F_NONE = 0,
@@ -189,7 +191,7 @@ enum ixgbe_ring_f_enum {
 struct ixgbe_ring_feature {
 	int indices;
 	int mask;
-};
+} ____cacheline_internodealigned_in_smp;
 
 #define MAX_RX_QUEUES 128
 #define MAX_TX_QUEUES 128
@@ -275,29 +277,25 @@ struct ixgbe_adapter {
 	u16 eitr_high;
 
 	/* TX */
-	struct ixgbe_ring *tx_ring;	/* One per active queue */
+	struct ixgbe_ring *tx_ring ____cacheline_aligned_in_smp; /* One per active queue */
 	int num_tx_queues;
-	u64 restart_queue;
-	u64 hw_csum_tx_good;
-	u64 lsc_int;
-	u64 hw_tso_ctxt;
-	u64 hw_tso6_ctxt;
 	u32 tx_timeout_count;
 	bool detect_tx_hung;
 
+	u64 restart_queue;
+	u64 lsc_int;
+
 	/* RX */
-	struct ixgbe_ring *rx_ring;	/* One per active queue */
+	struct ixgbe_ring *rx_ring ____cacheline_aligned_in_smp; /* One per active queue */
 	int num_rx_queues;
 	u64 hw_csum_rx_error;
 	u64 hw_rx_no_dma_resources;
-	u64 hw_csum_rx_good;
 	u64 non_eop_descs;
 	int num_msix_vectors;
 	int max_msix_q_vectors;         /* true count of q_vectors for device */
 	struct ixgbe_ring_feature ring_feature[RING_F_ARRAY_SIZE];
 	struct msix_entry *msix_entries;
 
-	u64 rx_hdr_split;
 	u32 alloc_rx_page_failed;
 	u32 alloc_rx_buff_failed;
 
diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c
index 1928d559e65..06a9d18bbdb 100644
--- a/drivers/net/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ixgbe/ixgbe_ethtool.c
@@ -93,16 +93,11 @@ static struct ixgbe_stats ixgbe_gstrings_stats[] = {
 	{"tx_restart_queue", IXGBE_STAT(restart_queue)},
 	{"rx_long_length_errors", IXGBE_STAT(stats.roc)},
 	{"rx_short_length_errors", IXGBE_STAT(stats.ruc)},
-	{"tx_tcp4_seg_ctxt", IXGBE_STAT(hw_tso_ctxt)},
-	{"tx_tcp6_seg_ctxt", IXGBE_STAT(hw_tso6_ctxt)},
 	{"tx_flow_control_xon", IXGBE_STAT(stats.lxontxc)},
 	{"rx_flow_control_xon", IXGBE_STAT(stats.lxonrxc)},
 	{"tx_flow_control_xoff", IXGBE_STAT(stats.lxofftxc)},
 	{"rx_flow_control_xoff", IXGBE_STAT(stats.lxoffrxc)},
-	{"rx_csum_offload_good", IXGBE_STAT(hw_csum_rx_good)},
 	{"rx_csum_offload_errors", IXGBE_STAT(hw_csum_rx_error)},
-	{"tx_csum_offload_ctxt", IXGBE_STAT(hw_csum_tx_good)},
-	{"rx_header_split", IXGBE_STAT(rx_hdr_split)},
 	{"alloc_rx_page_failed", IXGBE_STAT(alloc_rx_page_failed)},
 	{"alloc_rx_buff_failed", IXGBE_STAT(alloc_rx_buff_failed)},
 	{"rx_no_dma_resources", IXGBE_STAT(hw_rx_no_dma_resources)},
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index e3dc68ba4b7..db05030a30e 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -413,7 +413,7 @@ static bool ixgbe_clean_tx_irq(struct ixgbe_q_vector *q_vector,
 		if (__netif_subqueue_stopped(netdev, tx_ring->queue_index) &&
 		    !test_bit(__IXGBE_DOWN, &adapter->state)) {
 			netif_wake_subqueue(netdev, tx_ring->queue_index);
-			++adapter->restart_queue;
+			++tx_ring->restart_queue;
 		}
 	}
 
@@ -624,7 +624,6 @@ static inline void ixgbe_rx_checksum(struct ixgbe_adapter *adapter,
 
 	/* It must be a TCP or UDP packet with a valid checksum */
 	skb->ip_summed = CHECKSUM_UNNECESSARY;
-	adapter->hw_csum_rx_good++;
 }
 
 static inline void ixgbe_release_rx_desc(struct ixgbe_hw *hw,
@@ -681,14 +680,19 @@ static void ixgbe_alloc_rx_buffers(struct ixgbe_adapter *adapter,
 
 		if (!bi->skb) {
 			struct sk_buff *skb;
-			skb = netdev_alloc_skb_ip_align(adapter->netdev,
-							rx_ring->rx_buf_len);
+			/* netdev_alloc_skb reserves 32 bytes up front!! */
+			uint bufsz = rx_ring->rx_buf_len + SMP_CACHE_BYTES;
+			skb = netdev_alloc_skb(adapter->netdev, bufsz);
 
 			if (!skb) {
 				adapter->alloc_rx_buff_failed++;
 				goto no_buffers;
 			}
 
+			/* advance the data pointer to the next cache line */
+			skb_reserve(skb, (PTR_ALIGN(skb->data, SMP_CACHE_BYTES)
+			                  - skb->data));
+
 			bi->skb = skb;
 			bi->dma = pci_map_single(pdev, skb->data,
 			                         rx_ring->rx_buf_len,
@@ -801,8 +805,6 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
 			hdr_info = le16_to_cpu(ixgbe_get_hdr_info(rx_desc));
 			len = (hdr_info & IXGBE_RXDADV_HDRBUFLEN_MASK) >>
 			       IXGBE_RXDADV_HDRBUFLEN_SHIFT;
-			if (hdr_info & IXGBE_RXDADV_SPH)
-				adapter->rx_hdr_split++;
 			if (len > IXGBE_RX_HDR_SIZE)
 				len = IXGBE_RX_HDR_SIZE;
 			upper_len = le16_to_cpu(rx_desc->wb.upper.length);
@@ -812,7 +814,7 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
 
 		cleaned = true;
 		skb = rx_buffer_info->skb;
-		prefetch(skb->data - NET_IP_ALIGN);
+		prefetch(skb->data);
 		rx_buffer_info->skb = NULL;
 
 		if (rx_buffer_info->dma) {
@@ -884,7 +886,7 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
 				skb->next = next_buffer->skb;
 				skb->next->prev = skb;
 			}
-			adapter->non_eop_descs++;
+			rx_ring->non_eop_descs++;
 			goto next_desc;
 		}
 
@@ -4511,6 +4513,13 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter)
 		adapter->rsc_total_flush = rsc_flush;
 	}
 
+	/* gather some stats to the adapter struct that are per queue */
+	for (i = 0; i < adapter->num_tx_queues; i++)
+		adapter->restart_queue += adapter->tx_ring[i].restart_queue;
+
+	for (i = 0; i < adapter->num_rx_queues; i++)
+		adapter->non_eop_descs += adapter->tx_ring[i].non_eop_descs;
+
 	adapter->stats.crcerrs += IXGBE_READ_REG(hw, IXGBE_CRCERRS);
 	for (i = 0; i < 8; i++) {
 		/* for packet buffers not used, the register should read 0 */
@@ -4893,14 +4902,12 @@ static int ixgbe_tso(struct ixgbe_adapter *adapter,
 			                                         iph->daddr, 0,
 			                                         IPPROTO_TCP,
 			                                         0);
-			adapter->hw_tso_ctxt++;
 		} else if (skb_shinfo(skb)->gso_type == SKB_GSO_TCPV6) {
 			ipv6_hdr(skb)->payload_len = 0;
 			tcp_hdr(skb)->check =
 			    ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
 			                     &ipv6_hdr(skb)->daddr,
 			                     0, IPPROTO_TCP, 0);
-			adapter->hw_tso6_ctxt++;
 		}
 
 		i = tx_ring->next_to_use;
@@ -5019,7 +5026,6 @@ static bool ixgbe_tx_csum(struct ixgbe_adapter *adapter,
 		tx_buffer_info->time_stamp = jiffies;
 		tx_buffer_info->next_to_watch = i;
 
-		adapter->hw_csum_tx_good++;
 		i++;
 		if (i == tx_ring->count)
 			i = 0;
@@ -5256,8 +5262,6 @@ static void ixgbe_atr(struct ixgbe_adapter *adapter, struct sk_buff *skb,
 static int __ixgbe_maybe_stop_tx(struct net_device *netdev,
                                  struct ixgbe_ring *tx_ring, int size)
 {
-	struct ixgbe_adapter *adapter = netdev_priv(netdev);
-
 	netif_stop_subqueue(netdev, tx_ring->queue_index);
 	/* Herbert's original patch had:
 	 *  smp_mb__after_netif_stop_queue();
@@ -5271,7 +5275,7 @@ static int __ixgbe_maybe_stop_tx(struct net_device *netdev,
 
 	/* A reprieve! - use start_queue because it doesn't call schedule */
 	netif_start_subqueue(netdev, tx_ring->queue_index);
-	++adapter->restart_queue;
+	++tx_ring->restart_queue;
 	return 0;
 }
 
-- 
GitLab


From 9b471446cb376e2d1a4ceb4695059acfc3437f32 Mon Sep 17 00:00:00 2001
From: Jesse Brandeburg <jesse.brandeburg@intel.com>
Date: Thu, 3 Dec 2009 11:33:54 +0000
Subject: [PATCH 1789/1815] ixgbe: use EIAM to automask MSI-X

when disabling interrupts, driver was writing with IO, this is no
necessary because on ixgbe parts the hardware can "oneshot"
disable and clear the interrupt.  So on 82598/82599 use of EIAM
should avoid one posted write per interrupt when in MSI-X mode.
This should improve performance and seems to in my limited
testing, reduce CPU utilization VERY slightly.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ixgbe/ixgbe_main.c | 25 +++++++++++++++++++------
 1 file changed, 19 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index db05030a30e..247ed2a2476 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -1329,8 +1329,7 @@ static irqreturn_t ixgbe_msix_clean_tx(int irq, void *data)
 		                      r_idx + 1);
 	}
 
-	/* disable interrupts on this vector only */
-	ixgbe_irq_disable_queues(adapter, ((u64)1 << q_vector->v_idx));
+	/* EIAM disabled interrupts (on this vector) for us */
 	napi_schedule(&q_vector->napi);
 
 	return IRQ_HANDLED;
@@ -1362,7 +1361,7 @@ static irqreturn_t ixgbe_msix_clean_rx(int irq, void *data)
 		return IRQ_HANDLED;
 
 	/* disable interrupts on this vector only */
-	ixgbe_irq_disable_queues(adapter, ((u64)1 << q_vector->v_idx));
+	/* EIAM disabled interrupts (on this vector) for us */
 	napi_schedule(&q_vector->napi);
 
 	return IRQ_HANDLED;
@@ -1397,8 +1396,7 @@ static irqreturn_t ixgbe_msix_clean_many(int irq, void *data)
 		                      r_idx + 1);
 	}
 
-	/* disable interrupts on this vector only */
-	ixgbe_irq_disable_queues(adapter, ((u64)1 << q_vector->v_idx));
+	/* EIAM disabled interrupts (on this vector) for us */
 	napi_schedule(&q_vector->napi);
 
 	return IRQ_HANDLED;
@@ -2716,7 +2714,22 @@ static int ixgbe_up_complete(struct ixgbe_adapter *adapter)
 		IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie);
 	}
 
-	if (!(adapter->flags & IXGBE_FLAG_MSIX_ENABLED)) {
+	if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
+		/*
+		 * use EIAM to auto-mask when MSI-X interrupt is asserted
+		 * this saves a register write for every interrupt
+		 */
+		switch (hw->mac.type) {
+		case ixgbe_mac_82598EB:
+			IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE);
+			break;
+		default:
+		case ixgbe_mac_82599EB:
+			IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(0), 0xFFFFFFFF);
+			IXGBE_WRITE_REG(hw, IXGBE_EIAM_EX(1), 0xFFFFFFFF);
+			break;
+		}
+	} else {
 		/* legacy interrupts, use EIAM to auto-mask when reading EICR,
 		 * specifically only auto mask tx and rx interrupts */
 		IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE);
-- 
GitLab


From 012093f6d5d89e6ed6e89c55c383f84b1cff7a78 Mon Sep 17 00:00:00 2001
From: Michael Chan <mchan@broadcom.com>
Date: Thu, 3 Dec 2009 15:58:00 -0800
Subject: [PATCH 1790/1815] bnx2: Refine VPD logic.

- Replace magic values with constants
- Simplify length calculation and fix a bug

Based on valuable feedback from Ben Hutchings <bhutchings@solarflare.com>

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bnx2.c | 49 ++++++++++++++++++++--------------------------
 1 file changed, 21 insertions(+), 28 deletions(-)

diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index cf4322d0182..4bfc8081292 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -7730,24 +7730,27 @@ bnx2_read_vpd_fw_ver(struct bnx2 *bp)
 	u8 *v0_str = NULL;
 	bool mn_match = false;
 
+#define BNX2_VPD_NVRAM_OFFSET	0x300
+#define BNX2_VPD_LEN		128
 #define BNX2_MAX_VER_SLEN	30
 
 	data = kmalloc(256, GFP_KERNEL);
 	if (!data)
 		return;
 
-	rc = bnx2_nvram_read(bp, 0x300, data + 128, 128);
+	rc = bnx2_nvram_read(bp, BNX2_VPD_NVRAM_OFFSET, data + BNX2_VPD_LEN,
+			     BNX2_VPD_LEN);
 	if (rc)
 		goto vpd_done;
 
-	for (i = 0; i < 128; i += 4) {
-		data[i] = data[i + 131];
-		data[i + 1] = data[i + 130];
-		data[i + 2] = data[i + 129];
-		data[i + 3] = data[i + 128];
+	for (i = 0; i < BNX2_VPD_LEN; i += 4) {
+		data[i] = data[i + BNX2_VPD_LEN + 3];
+		data[i + 1] = data[i + BNX2_VPD_LEN + 2];
+		data[i + 2] = data[i + BNX2_VPD_LEN + 1];
+		data[i + 3] = data[i + BNX2_VPD_LEN];
 	}
 
-	for (i = 0; i < 128; ) {
+	for (i = 0; i <= BNX2_VPD_LEN - 3; ) {
 		unsigned char val = data[i];
 		unsigned int block_end;
 
@@ -7762,39 +7765,29 @@ bnx2_read_vpd_fw_ver(struct bnx2 *bp)
 		block_end = (i + 3 + (data[i + 1] + (data[i + 2] << 8)));
 		i += 3;
 
-		if (block_end > 128)
+		if (block_end > BNX2_VPD_LEN)
 			goto vpd_done;
 
 		while (i < (block_end - 2)) {
-			if (data[i] == 'M' && data[i + 1] == 'N') {
-				int mn_len = data[i + 2];
+			int len = data[i + 2];
 
-				if (mn_len != 4)
-					goto vpd_done;
+			if (i + 3 + len > block_end)
+				goto vpd_done;
 
-				i += 3;
-				if (memcmp(&data[i], "1028", 4))
+			if (data[i] == 'M' && data[i + 1] == 'N') {
+				if (len != 4 ||
+				    memcmp(&data[i + 3], "1028", 4))
 					goto vpd_done;
 				mn_match = true;
-				i += 4;
 
 			} else if (data[i] == 'V' && data[i + 1] == '0') {
-				v0_len = data[i + 2];
-
-				i += 3;
-				if (v0_len > BNX2_MAX_VER_SLEN ||
-				    (v0_len + i) > 128)
+				if (len > BNX2_MAX_VER_SLEN)
 					goto vpd_done;
 
-				if (v0_len > BNX2_MAX_VER_SLEN)
-					v0_len = BNX2_MAX_VER_SLEN;
-
-				v0_str = &data[i];
-				i += data[i + 2];
-
-			} else {
-				i += 3 + data[i + 2];
+				v0_len = len;
+				v0_str = &data[i + 3];
 			}
+			i += 3 + len;
 
 			if (mn_match && v0_str) {
 				memcpy(bp->fw_version, v0_str, v0_len);
-- 
GitLab


From fc4a7489663250360cd40d5adf06a08d1c5d54df Mon Sep 17 00:00:00 2001
From: Patrick Mullaney <pmullaney@novell.com>
Date: Thu, 3 Dec 2009 15:59:22 -0800
Subject: [PATCH 1791/1815] netdevice: provide common routine for macvlan and
 vlan operstate management

Provide common routine for the transition of operational state for a leaf
device during a root device transition.

Signed-off-by: Patrick Mullaney <pmullaney@novell.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/macvlan.c     | 24 +++---------------------
 include/linux/netdevice.h |  3 +++
 net/8021q/vlan.c          | 29 ++++-------------------------
 net/core/dev.c            | 27 +++++++++++++++++++++++++++
 4 files changed, 37 insertions(+), 46 deletions(-)

diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 93c3e6edf70..21a9c9ab4b3 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -582,25 +582,6 @@ static void macvlan_port_destroy(struct net_device *dev)
 	kfree(port);
 }
 
-static void macvlan_transfer_operstate(struct net_device *dev)
-{
-	struct macvlan_dev *vlan = netdev_priv(dev);
-	const struct net_device *lowerdev = vlan->lowerdev;
-
-	if (lowerdev->operstate == IF_OPER_DORMANT)
-		netif_dormant_on(dev);
-	else
-		netif_dormant_off(dev);
-
-	if (netif_carrier_ok(lowerdev)) {
-		if (!netif_carrier_ok(dev))
-			netif_carrier_on(dev);
-	} else {
-		if (netif_carrier_ok(dev))
-			netif_carrier_off(dev);
-	}
-}
-
 static int macvlan_validate(struct nlattr *tb[], struct nlattr *data[])
 {
 	if (tb[IFLA_ADDRESS]) {
@@ -693,7 +674,7 @@ static int macvlan_newlink(struct net *src_net, struct net_device *dev,
 		return err;
 
 	list_add_tail(&vlan->list, &port->vlans);
-	macvlan_transfer_operstate(dev);
+	netif_stacked_transfer_operstate(lowerdev, dev);
 	return 0;
 }
 
@@ -768,7 +749,8 @@ static int macvlan_device_event(struct notifier_block *unused,
 	switch (event) {
 	case NETDEV_CHANGE:
 		list_for_each_entry(vlan, &port->vlans, list)
-			macvlan_transfer_operstate(vlan->dev);
+			netif_stacked_transfer_operstate(vlan->lowerdev,
+							 vlan->dev);
 		break;
 	case NETDEV_FEAT_CHANGE:
 		list_for_each_entry(vlan, &port->vlans, list) {
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index daf13d36749..a3fccc85b1a 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1981,6 +1981,9 @@ unsigned long netdev_increment_features(unsigned long all, unsigned long one,
 					unsigned long mask);
 unsigned long netdev_fix_features(unsigned long features, const char *name);
 
+void netif_stacked_transfer_operstate(const struct net_device *rootdev,
+					struct net_device *dev);
+
 static inline int net_gso_ok(int features, int gso_type)
 {
 	int feature = gso_type << NETIF_F_GSO_SHIFT;
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index ec3769295da..33f90e7362c 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -184,27 +184,6 @@ void unregister_vlan_dev(struct net_device *dev, struct list_head *head)
 	dev_put(real_dev);
 }
 
-static void vlan_transfer_operstate(const struct net_device *dev,
-				    struct net_device *vlandev)
-{
-	/* Have to respect userspace enforced dormant state
-	 * of real device, also must allow supplicant running
-	 * on VLAN device
-	 */
-	if (dev->operstate == IF_OPER_DORMANT)
-		netif_dormant_on(vlandev);
-	else
-		netif_dormant_off(vlandev);
-
-	if (netif_carrier_ok(dev)) {
-		if (!netif_carrier_ok(vlandev))
-			netif_carrier_on(vlandev);
-	} else {
-		if (netif_carrier_ok(vlandev))
-			netif_carrier_off(vlandev);
-	}
-}
-
 int vlan_check_real_dev(struct net_device *real_dev, u16 vlan_id)
 {
 	const char *name = real_dev->name;
@@ -262,7 +241,7 @@ int register_vlan_dev(struct net_device *dev)
 	/* Account for reference in struct vlan_dev_info */
 	dev_hold(real_dev);
 
-	vlan_transfer_operstate(real_dev, dev);
+	netif_stacked_transfer_operstate(real_dev, dev);
 	linkwatch_fire_event(dev); /* _MUST_ call rfc2863_policy() */
 
 	/* So, got the sucker initialized, now lets place
@@ -453,7 +432,7 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
 			if (!vlandev)
 				continue;
 
-			vlan_transfer_operstate(dev, vlandev);
+			netif_stacked_transfer_operstate(dev, vlandev);
 		}
 		break;
 
@@ -511,7 +490,7 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
 			vlan = vlan_dev_info(vlandev);
 			if (!(vlan->flags & VLAN_FLAG_LOOSE_BINDING))
 				dev_change_flags(vlandev, flgs & ~IFF_UP);
-			vlan_transfer_operstate(dev, vlandev);
+			netif_stacked_transfer_operstate(dev, vlandev);
 		}
 		break;
 
@@ -529,7 +508,7 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
 			vlan = vlan_dev_info(vlandev);
 			if (!(vlan->flags & VLAN_FLAG_LOOSE_BINDING))
 				dev_change_flags(vlandev, flgs | IFF_UP);
-			vlan_transfer_operstate(dev, vlandev);
+			netif_stacked_transfer_operstate(dev, vlandev);
 		}
 		break;
 
diff --git a/net/core/dev.c b/net/core/dev.c
index 0913a08a87d..c36a17aafcf 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4900,6 +4900,33 @@ unsigned long netdev_fix_features(unsigned long features, const char *name)
 }
 EXPORT_SYMBOL(netdev_fix_features);
 
+/**
+ *	netif_stacked_transfer_operstate -	transfer operstate
+ *	@rootdev: the root or lower level device to transfer state from
+ *	@dev: the device to transfer operstate to
+ *
+ *	Transfer operational state from root to device. This is normally
+ *	called when a stacking relationship exists between the root
+ *	device and the device(a leaf device).
+ */
+void netif_stacked_transfer_operstate(const struct net_device *rootdev,
+					struct net_device *dev)
+{
+	if (rootdev->operstate == IF_OPER_DORMANT)
+		netif_dormant_on(dev);
+	else
+		netif_dormant_off(dev);
+
+	if (netif_carrier_ok(rootdev)) {
+		if (!netif_carrier_ok(dev))
+			netif_carrier_on(dev);
+	} else {
+		if (netif_carrier_ok(dev))
+			netif_carrier_off(dev);
+	}
+}
+EXPORT_SYMBOL(netif_stacked_transfer_operstate);
+
 /**
  *	register_netdevice	- register a network device
  *	@dev: device to register
-- 
GitLab


From 3320eae51d6e4c65b4733bf4d87de3b833973a1f Mon Sep 17 00:00:00 2001
From: Tristram Ha <Tristram.Ha@micrel.com>
Date: Thu, 3 Dec 2009 11:06:42 +0000
Subject: [PATCH 1792/1815] net: Fix ks8851 snl NULL pointer dereference Oops

This fixes the NULL pointer dereference Oops in the ks8851 snl network
driver during transmission.  All socket buffers from the queue are
processed inside the loop, but new workqueues have been scheduled to
run.

Signed-off-by: Tristram Ha <Tristram.Ha@micrel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ks8851.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ks8851.c b/drivers/net/ks8851.c
index a23f739d222..6d3ac65bc35 100644
--- a/drivers/net/ks8851.c
+++ b/drivers/net/ks8851.c
@@ -1,4 +1,4 @@
-/* drivers/net/ks8651.c
+/* drivers/net/ks8851.c
  *
  * Copyright 2009 Simtec Electronics
  *	http://www.simtec.co.uk/
@@ -714,7 +714,7 @@ static void ks8851_tx_work(struct work_struct *work)
 {
 	struct ks8851_net *ks = container_of(work, struct ks8851_net, tx_work);
 	struct sk_buff *txb;
-	bool last = false;
+	bool last = skb_queue_empty(&ks->txq);
 
 	mutex_lock(&ks->lock);
 
-- 
GitLab


From 49d09007879ce7bee36ab453c73e97c00adce884 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 3 Dec 2009 16:06:13 -0800
Subject: [PATCH 1793/1815] tcp: diag: Dont report negative values for rx queue

Both netlink and /proc/net/tcp interfaces can report transient
negative values for rx queue.

ss ->
State   Recv-Q Send-Q  Local Address:Port  Peer Address:Port
ESTAB   -6     6       127.0.0.1:45956     127.0.0.1:3333

netstat ->
tcp   4294967290      6 127.0.0.1:37784  127.0.0.1:3333 ESTABLISHED

This is because we dont lock socket while computing
tp->rcv_nxt - tp->copied_seq,
and another CPU can update copied_seq before rcv_next in RX path.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/tcp_diag.c |  2 +-
 net/ipv4/tcp_ipv4.c | 12 ++++++++++--
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/net/ipv4/tcp_diag.c b/net/ipv4/tcp_diag.c
index fcbcd4ff6c5..939edb3b8e4 100644
--- a/net/ipv4/tcp_diag.c
+++ b/net/ipv4/tcp_diag.c
@@ -27,7 +27,7 @@ static void tcp_diag_get_info(struct sock *sk, struct inet_diag_msg *r,
 		r->idiag_rqueue = sk->sk_ack_backlog;
 		r->idiag_wqueue = sk->sk_max_ack_backlog;
 	} else {
-		r->idiag_rqueue = tp->rcv_nxt - tp->copied_seq;
+		r->idiag_rqueue = max_t(int, tp->rcv_nxt - tp->copied_seq, 0);
 		r->idiag_wqueue = tp->write_seq - tp->snd_una;
 	}
 	if (info != NULL)
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index fee9aabd5aa..29002ab26e0 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -2318,6 +2318,7 @@ static void get_tcp4_sock(struct sock *sk, struct seq_file *f, int i, int *len)
 	__be32 src = inet->inet_rcv_saddr;
 	__u16 destp = ntohs(inet->inet_dport);
 	__u16 srcp = ntohs(inet->inet_sport);
+	int rx_queue;
 
 	if (icsk->icsk_pending == ICSK_TIME_RETRANS) {
 		timer_active	= 1;
@@ -2333,12 +2334,19 @@ static void get_tcp4_sock(struct sock *sk, struct seq_file *f, int i, int *len)
 		timer_expires = jiffies;
 	}
 
+	if (sk->sk_state == TCP_LISTEN)
+		rx_queue = sk->sk_ack_backlog;
+	else
+		/*
+		 * because we dont lock socket, we might find a transient negative value
+		 */
+		rx_queue = max_t(int, tp->rcv_nxt - tp->copied_seq, 0);
+
 	seq_printf(f, "%4d: %08X:%04X %08X:%04X %02X %08X:%08X %02X:%08lX "
 			"%08X %5d %8d %lu %d %p %lu %lu %u %u %d%n",
 		i, src, srcp, dest, destp, sk->sk_state,
 		tp->write_seq - tp->snd_una,
-		sk->sk_state == TCP_LISTEN ? sk->sk_ack_backlog :
-					     (tp->rcv_nxt - tp->copied_seq),
+		rx_queue,
 		timer_active,
 		jiffies_to_clock_t(timer_expires - jiffies),
 		icsk->icsk_retransmits,
-- 
GitLab


From ff33a6e2ab97f4cde484cdf1a41778af6d6b7cff Mon Sep 17 00:00:00 2001
From: Suresh R <sureshr@serverengines.com>
Date: Thu, 3 Dec 2009 16:15:52 -0800
Subject: [PATCH 1794/1815] be2net: Add support for ethtool self test

This patch adds support for ethtool selftest.

From: Suresh R <sureshr@serverengines.com>
Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/benet/be_cmds.c    | 93 ++++++++++++++++++++++++++++++++++
 drivers/net/benet/be_cmds.h    | 48 ++++++++++++++++++
 drivers/net/benet/be_ethtool.c | 82 ++++++++++++++++++++++++++++++
 3 files changed, 223 insertions(+)

diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c
index bee7b822d12..1b68bd98dc0 100644
--- a/drivers/net/benet/be_cmds.c
+++ b/drivers/net/benet/be_cmds.c
@@ -1478,3 +1478,96 @@ err:
 	spin_unlock_bh(&adapter->mcc_lock);
 	return status;
 }
+
+int be_cmd_loopback_test(struct be_adapter *adapter, u32 port_num,
+		u32 loopback_type, u32 pkt_size, u32 num_pkts, u64 pattern)
+{
+	struct be_mcc_wrb *wrb;
+	struct be_cmd_req_loopback_test *req;
+	int status;
+
+	spin_lock_bh(&adapter->mcc_lock);
+
+	wrb = wrb_from_mccq(adapter);
+	if (!wrb) {
+		status = -EBUSY;
+		goto err;
+	}
+
+	req = embedded_payload(wrb);
+
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
+				OPCODE_LOWLEVEL_LOOPBACK_TEST);
+
+	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL,
+			OPCODE_LOWLEVEL_LOOPBACK_TEST, sizeof(*req));
+
+	req->pattern = cpu_to_le64(pattern);
+	req->src_port = cpu_to_le32(port_num);
+	req->dest_port = cpu_to_le32(port_num);
+	req->pkt_size = cpu_to_le32(pkt_size);
+	req->num_pkts = cpu_to_le32(num_pkts);
+	req->loopback_type = cpu_to_le32(loopback_type);
+
+	status = be_mcc_notify_wait(adapter);
+	if (!status) {
+		struct be_cmd_resp_loopback_test *resp = embedded_payload(wrb);
+		status = le32_to_cpu(resp->status);
+	}
+
+err:
+	spin_unlock_bh(&adapter->mcc_lock);
+	return status;
+}
+
+int be_cmd_ddr_dma_test(struct be_adapter *adapter, u64 pattern,
+				u32 byte_cnt, struct be_dma_mem *cmd)
+{
+	struct be_mcc_wrb *wrb;
+	struct be_cmd_req_ddrdma_test *req;
+	struct be_sge *sge;
+	int status;
+	int i, j = 0;
+
+	spin_lock_bh(&adapter->mcc_lock);
+
+	wrb = wrb_from_mccq(adapter);
+	if (!wrb) {
+		status = -EBUSY;
+		goto err;
+	}
+	req = cmd->va;
+	sge = nonembedded_sgl(wrb);
+	be_wrb_hdr_prepare(wrb, cmd->size, false, 1,
+				OPCODE_LOWLEVEL_HOST_DDR_DMA);
+	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL,
+			OPCODE_LOWLEVEL_HOST_DDR_DMA, cmd->size);
+
+	sge->pa_hi = cpu_to_le32(upper_32_bits(cmd->dma));
+	sge->pa_lo = cpu_to_le32(cmd->dma & 0xFFFFFFFF);
+	sge->len = cpu_to_le32(cmd->size);
+
+	req->pattern = cpu_to_le64(pattern);
+	req->byte_count = cpu_to_le32(byte_cnt);
+	for (i = 0; i < byte_cnt; i++) {
+		req->snd_buff[i] = (u8)(pattern >> (j*8));
+		j++;
+		if (j > 7)
+			j = 0;
+	}
+
+	status = be_mcc_notify_wait(adapter);
+
+	if (!status) {
+		struct be_cmd_resp_ddrdma_test *resp;
+		resp = cmd->va;
+		if ((memcmp(resp->rcv_buff, req->snd_buff, byte_cnt) != 0) ||
+				resp->snd_err) {
+			status = -1;
+		}
+	}
+
+err:
+	spin_unlock_bh(&adapter->mcc_lock);
+	return status;
+}
diff --git a/drivers/net/benet/be_cmds.h b/drivers/net/benet/be_cmds.h
index e8512a144f5..e7323be507d 100644
--- a/drivers/net/benet/be_cmds.h
+++ b/drivers/net/benet/be_cmds.h
@@ -112,6 +112,7 @@ struct be_mcc_mailbox {
 
 #define CMD_SUBSYSTEM_COMMON	0x1
 #define CMD_SUBSYSTEM_ETH 	0x3
+#define CMD_SUBSYSTEM_LOWLEVEL  0xb
 
 #define OPCODE_COMMON_NTWK_MAC_QUERY			1
 #define OPCODE_COMMON_NTWK_MAC_SET			2
@@ -152,6 +153,9 @@ struct be_mcc_mailbox {
 #define OPCODE_ETH_RX_DESTROY           		10
 #define OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG		12
 
+#define OPCODE_LOWLEVEL_HOST_DDR_DMA                    17
+#define OPCODE_LOWLEVEL_LOOPBACK_TEST                   18
+
 struct be_cmd_req_hdr {
 	u8 opcode;		/* dword 0 */
 	u8 subsystem;		/* dword 0 */
@@ -797,6 +801,45 @@ struct be_cmd_req_acpi_wol_magic_config{
 	u8 rsvd2[2];
 } __packed;
 
+/********************** LoopBack test *********************/
+struct be_cmd_req_loopback_test {
+	struct be_cmd_req_hdr hdr;
+	u32 loopback_type;
+	u32 num_pkts;
+	u64 pattern;
+	u32 src_port;
+	u32 dest_port;
+	u32 pkt_size;
+};
+
+struct be_cmd_resp_loopback_test {
+	struct be_cmd_resp_hdr resp_hdr;
+	u32    status;
+	u32    num_txfer;
+	u32    num_rx;
+	u32    miscomp_off;
+	u32    ticks_compl;
+};
+
+/********************** DDR DMA test *********************/
+struct be_cmd_req_ddrdma_test {
+	struct be_cmd_req_hdr hdr;
+	u64 pattern;
+	u32 byte_count;
+	u32 rsvd0;
+	u8  snd_buff[4096];
+	u8  rsvd1[4096];
+};
+
+struct be_cmd_resp_ddrdma_test {
+	struct be_cmd_resp_hdr hdr;
+	u64 pattern;
+	u32 byte_cnt;
+	u32 snd_err;
+	u8  rsvd0[4096];
+	u8  rcv_buff[4096];
+};
+
 extern int be_pci_fnum_get(struct be_adapter *adapter);
 extern int be_cmd_POST(struct be_adapter *adapter);
 extern int be_cmd_mac_addr_query(struct be_adapter *adapter, u8 *mac_addr,
@@ -864,3 +907,8 @@ extern int be_cmd_enable_magic_wol(struct be_adapter *adapter, u8 *mac,
 				struct be_dma_mem *nonemb_cmd);
 extern int be_cmd_fw_init(struct be_adapter *adapter);
 extern int be_cmd_fw_clean(struct be_adapter *adapter);
+extern int be_cmd_loopback_test(struct be_adapter *adapter, u32 port_num,
+				u32 loopback_type, u32 pkt_size,
+				u32 num_pkts, u64 pattern);
+extern int be_cmd_ddr_dma_test(struct be_adapter *adapter, u64 pattern,
+			u32 byte_cnt, struct be_dma_mem *cmd);
diff --git a/drivers/net/benet/be_ethtool.c b/drivers/net/benet/be_ethtool.c
index 83a2fc70399..298b92cbd68 100644
--- a/drivers/net/benet/be_ethtool.c
+++ b/drivers/net/benet/be_ethtool.c
@@ -107,6 +107,18 @@ static const struct be_ethtool_stat et_stats[] = {
 };
 #define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats)
 
+static const char et_self_tests[][ETH_GSTRING_LEN] = {
+	"MAC Loopback test",
+	"PHY Loopback test",
+	"External Loopback test",
+	"DDR DMA test"
+};
+
+#define ETHTOOL_TESTS_NUM ARRAY_SIZE(et_self_tests)
+#define BE_MAC_LOOPBACK 0x0
+#define BE_PHY_LOOPBACK 0x1
+#define BE_ONE_PORT_EXT_LOOPBACK 0x2
+
 static void
 be_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
 {
@@ -278,12 +290,20 @@ be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
 			data += ETH_GSTRING_LEN;
 		}
 		break;
+	case ETH_SS_TEST:
+		for (i = 0; i < ETHTOOL_TESTS_NUM; i++) {
+			memcpy(data, et_self_tests[i], ETH_GSTRING_LEN);
+			data += ETH_GSTRING_LEN;
+		}
+		break;
 	}
 }
 
 static int be_get_sset_count(struct net_device *netdev, int stringset)
 {
 	switch (stringset) {
+	case ETH_SS_TEST:
+		return ETHTOOL_TESTS_NUM;
 	case ETH_SS_STATS:
 		return ETHTOOL_STATS_NUM;
 	default:
@@ -441,6 +461,67 @@ be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 	return 0;
 }
 
+static int
+be_test_ddr_dma(struct be_adapter *adapter)
+{
+	int ret, i;
+	struct be_dma_mem ddrdma_cmd;
+	u64 pattern[2] = {0x5a5a5a5a5a5a5a5a, 0xa5a5a5a5a5a5a5a5};
+
+	ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
+	ddrdma_cmd.va = pci_alloc_consistent(adapter->pdev, ddrdma_cmd.size,
+					&ddrdma_cmd.dma);
+	if (!ddrdma_cmd.va) {
+		dev_err(&adapter->pdev->dev, "Memory allocation failure \n");
+		return -ENOMEM;
+	}
+
+	for (i = 0; i < 2; i++) {
+		ret = be_cmd_ddr_dma_test(adapter, pattern[i],
+					4096, &ddrdma_cmd);
+		if (ret != 0)
+			goto err;
+	}
+
+err:
+	pci_free_consistent(adapter->pdev, ddrdma_cmd.size,
+			ddrdma_cmd.va, ddrdma_cmd.dma);
+	return ret;
+}
+
+static void
+be_self_test(struct net_device *netdev, struct ethtool_test *test, u64 *data)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+
+	memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM);
+
+	if (test->flags & ETH_TEST_FL_OFFLINE) {
+		data[0] = be_cmd_loopback_test(adapter, adapter->port_num,
+						BE_MAC_LOOPBACK, 1500,
+						2, 0xabc);
+		if (data[0] != 0)
+			test->flags |= ETH_TEST_FL_FAILED;
+
+		data[1] = be_cmd_loopback_test(adapter, adapter->port_num,
+						BE_PHY_LOOPBACK, 1500,
+						2, 0xabc);
+		if (data[1] != 0)
+			test->flags |= ETH_TEST_FL_FAILED;
+
+		data[2] = be_cmd_loopback_test(adapter, adapter->port_num,
+						BE_ONE_PORT_EXT_LOOPBACK,
+						1500, 2, 0xabc);
+		if (data[2] != 0)
+			test->flags |= ETH_TEST_FL_FAILED;
+
+		data[3] = be_test_ddr_dma(adapter);
+		if (data[3] != 0)
+			test->flags |= ETH_TEST_FL_FAILED;
+	}
+
+}
+
 static int
 be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
 {
@@ -479,4 +560,5 @@ const struct ethtool_ops be_ethtool_ops = {
 	.get_sset_count = be_get_sset_count,
 	.get_ethtool_stats = be_get_ethtool_stats,
 	.flash_device = be_do_flash,
+	.self_test = be_self_test,
 };
-- 
GitLab


From 13475a30b66cdb9250a34052c19ac98847373030 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 2 Dec 2009 22:31:19 +0000
Subject: [PATCH 1795/1815] tcp: connect() race with timewait reuse

Its currently possible that several threads issuing a connect() find
the same timewait socket and try to reuse it, leading to list
corruptions.

Condition for bug is that these threads bound their socket on same
address/port of to-be-find timewait socket, and connected to same
target. (SO_REUSEADDR needed)

To fix this problem, we could unhash timewait socket while holding
ehash lock, to make sure lookups/changes will be serialized. Only
first thread finds the timewait socket, other ones find the
established socket and return an EADDRNOTAVAIL error.

This second version takes into account Evgeniy's review and makes sure
inet_twsk_put() is called outside of locked sections.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/inet_timewait_sock.h |  2 ++
 net/ipv4/inet_hashtables.c       | 10 ++++++---
 net/ipv4/inet_timewait_sock.c    | 38 +++++++++++++++++++++++---------
 net/ipv6/inet6_hashtables.c      | 15 ++++++++-----
 4 files changed, 47 insertions(+), 18 deletions(-)

diff --git a/include/net/inet_timewait_sock.h b/include/net/inet_timewait_sock.h
index 4fd007f34dd..b801ade2295 100644
--- a/include/net/inet_timewait_sock.h
+++ b/include/net/inet_timewait_sock.h
@@ -199,6 +199,8 @@ static inline __be32 inet_rcv_saddr(const struct sock *sk)
 
 extern void inet_twsk_put(struct inet_timewait_sock *tw);
 
+extern int inet_twsk_unhash(struct inet_timewait_sock *tw);
+
 extern struct inet_timewait_sock *inet_twsk_alloc(const struct sock *sk,
 						  const int state);
 
diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index 94ef51aa5bc..21e5e32d8c6 100644
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -286,6 +286,7 @@ static int __inet_check_established(struct inet_timewait_death_row *death_row,
 	struct sock *sk2;
 	const struct hlist_nulls_node *node;
 	struct inet_timewait_sock *tw;
+	int twrefcnt = 0;
 
 	spin_lock(lock);
 
@@ -318,20 +319,23 @@ unique:
 	sk->sk_hash = hash;
 	WARN_ON(!sk_unhashed(sk));
 	__sk_nulls_add_node_rcu(sk, &head->chain);
+	if (tw) {
+		twrefcnt = inet_twsk_unhash(tw);
+		NET_INC_STATS_BH(net, LINUX_MIB_TIMEWAITRECYCLED);
+	}
 	spin_unlock(lock);
+	if (twrefcnt)
+		inet_twsk_put(tw);
 	sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
 
 	if (twp) {
 		*twp = tw;
-		NET_INC_STATS_BH(net, LINUX_MIB_TIMEWAITRECYCLED);
 	} else if (tw) {
 		/* Silly. Should hash-dance instead... */
 		inet_twsk_deschedule(tw, death_row);
-		NET_INC_STATS_BH(net, LINUX_MIB_TIMEWAITRECYCLED);
 
 		inet_twsk_put(tw);
 	}
-
 	return 0;
 
 not_unique:
diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c
index 31f931ef3da..11a107a5af4 100644
--- a/net/ipv4/inet_timewait_sock.c
+++ b/net/ipv4/inet_timewait_sock.c
@@ -14,22 +14,33 @@
 #include <net/inet_timewait_sock.h>
 #include <net/ip.h>
 
+
+/*
+ * unhash a timewait socket from established hash
+ * lock must be hold by caller
+ */
+int inet_twsk_unhash(struct inet_timewait_sock *tw)
+{
+	if (hlist_nulls_unhashed(&tw->tw_node))
+		return 0;
+
+	hlist_nulls_del_rcu(&tw->tw_node);
+	sk_nulls_node_init(&tw->tw_node);
+	return 1;
+}
+
 /* Must be called with locally disabled BHs. */
 static void __inet_twsk_kill(struct inet_timewait_sock *tw,
 			     struct inet_hashinfo *hashinfo)
 {
 	struct inet_bind_hashbucket *bhead;
 	struct inet_bind_bucket *tb;
+	int refcnt;
 	/* Unlink from established hashes. */
 	spinlock_t *lock = inet_ehash_lockp(hashinfo, tw->tw_hash);
 
 	spin_lock(lock);
-	if (hlist_nulls_unhashed(&tw->tw_node)) {
-		spin_unlock(lock);
-		return;
-	}
-	hlist_nulls_del_rcu(&tw->tw_node);
-	sk_nulls_node_init(&tw->tw_node);
+	refcnt = inet_twsk_unhash(tw);
 	spin_unlock(lock);
 
 	/* Disassociate with bind bucket. */
@@ -37,9 +48,12 @@ static void __inet_twsk_kill(struct inet_timewait_sock *tw,
 			hashinfo->bhash_size)];
 	spin_lock(&bhead->lock);
 	tb = tw->tw_tb;
-	__hlist_del(&tw->tw_bind_node);
-	tw->tw_tb = NULL;
-	inet_bind_bucket_destroy(hashinfo->bind_bucket_cachep, tb);
+	if (tb) {
+		__hlist_del(&tw->tw_bind_node);
+		tw->tw_tb = NULL;
+		inet_bind_bucket_destroy(hashinfo->bind_bucket_cachep, tb);
+		refcnt++;
+	}
 	spin_unlock(&bhead->lock);
 #ifdef SOCK_REFCNT_DEBUG
 	if (atomic_read(&tw->tw_refcnt) != 1) {
@@ -47,7 +61,10 @@ static void __inet_twsk_kill(struct inet_timewait_sock *tw,
 		       tw->tw_prot->name, tw, atomic_read(&tw->tw_refcnt));
 	}
 #endif
-	inet_twsk_put(tw);
+	while (refcnt) {
+		inet_twsk_put(tw);
+		refcnt--;
+	}
 }
 
 static noinline void inet_twsk_free(struct inet_timewait_sock *tw)
@@ -92,6 +109,7 @@ void __inet_twsk_hashdance(struct inet_timewait_sock *tw, struct sock *sk,
 	tw->tw_tb = icsk->icsk_bind_hash;
 	WARN_ON(!icsk->icsk_bind_hash);
 	inet_twsk_add_bind_node(tw, &tw->tw_tb->owners);
+	atomic_inc(&tw->tw_refcnt);
 	spin_unlock(&bhead->lock);
 
 	spin_lock(lock);
diff --git a/net/ipv6/inet6_hashtables.c b/net/ipv6/inet6_hashtables.c
index 00c6a3e6cdd..c813e294ec0 100644
--- a/net/ipv6/inet6_hashtables.c
+++ b/net/ipv6/inet6_hashtables.c
@@ -223,6 +223,7 @@ static int __inet6_check_established(struct inet_timewait_death_row *death_row,
 	struct sock *sk2;
 	const struct hlist_nulls_node *node;
 	struct inet_timewait_sock *tw;
+	int twrefcnt = 0;
 
 	spin_lock(lock);
 
@@ -250,19 +251,23 @@ unique:
 	 * in hash table socket with a funny identity. */
 	inet->inet_num = lport;
 	inet->inet_sport = htons(lport);
+	sk->sk_hash = hash;
 	WARN_ON(!sk_unhashed(sk));
 	__sk_nulls_add_node_rcu(sk, &head->chain);
-	sk->sk_hash = hash;
+	if (tw) {
+		twrefcnt = inet_twsk_unhash(tw);
+		NET_INC_STATS_BH(net, LINUX_MIB_TIMEWAITRECYCLED);
+	}
 	spin_unlock(lock);
+	if (twrefcnt)
+		inet_twsk_put(tw);
 	sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
 
-	if (twp != NULL) {
+	if (twp) {
 		*twp = tw;
-		NET_INC_STATS_BH(net, LINUX_MIB_TIMEWAITRECYCLED);
-	} else if (tw != NULL) {
+	} else if (tw) {
 		/* Silly. Should hash-dance instead... */
 		inet_twsk_deschedule(tw, death_row);
-		NET_INC_STATS_BH(net, LINUX_MIB_TIMEWAITRECYCLED);
 
 		inet_twsk_put(tw);
 	}
-- 
GitLab


From 47e1c323069bcef0acb8a2b48921688573f5ca63 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 3 Dec 2009 00:49:01 +0000
Subject: [PATCH 1796/1815] tcp: fix a timewait refcnt race

After TCP RCU conversion, tw->tw_refcnt should not be set to 1 in
inet_twsk_alloc(). It allows a RCU reader to get this timewait socket,
while we not yet stabilized it.

Only choice we have is to set tw_refcnt to 0 in inet_twsk_alloc(),
then atomic_add() it later, once everything is done.

Location of this atomic_add() is tricky, because we dont want another
writer to find this timewait in ehash, while tw_refcnt is still zero !

Thanks to Kapil Dakhane tests and reports.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/inet_timewait_sock.c | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c
index 11a107a5af4..0fdf45e4c90 100644
--- a/net/ipv4/inet_timewait_sock.c
+++ b/net/ipv4/inet_timewait_sock.c
@@ -109,7 +109,6 @@ void __inet_twsk_hashdance(struct inet_timewait_sock *tw, struct sock *sk,
 	tw->tw_tb = icsk->icsk_bind_hash;
 	WARN_ON(!icsk->icsk_bind_hash);
 	inet_twsk_add_bind_node(tw, &tw->tw_tb->owners);
-	atomic_inc(&tw->tw_refcnt);
 	spin_unlock(&bhead->lock);
 
 	spin_lock(lock);
@@ -119,13 +118,22 @@ void __inet_twsk_hashdance(struct inet_timewait_sock *tw, struct sock *sk,
 	 * Should be done before removing sk from established chain
 	 * because readers are lockless and search established first.
 	 */
-	atomic_inc(&tw->tw_refcnt);
 	inet_twsk_add_node_rcu(tw, &ehead->twchain);
 
 	/* Step 3: Remove SK from established hash. */
 	if (__sk_nulls_del_node_init_rcu(sk))
 		sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1);
 
+	/*
+	 * Notes :
+ 	 * - We initially set tw_refcnt to 0 in inet_twsk_alloc()
+	 * - We add one reference for the bhash link
+	 * - We add one reference for the ehash link
+	 * - We want this refcnt update done before allowing other
+	 *   threads to find this tw in ehash chain.
+	 */
+	atomic_add(1 + 1 + 1, &tw->tw_refcnt);
+
 	spin_unlock(lock);
 }
 
@@ -157,7 +165,12 @@ struct inet_timewait_sock *inet_twsk_alloc(const struct sock *sk, const int stat
 		tw->tw_transparent  = inet->transparent;
 		tw->tw_prot	    = sk->sk_prot_creator;
 		twsk_net_set(tw, hold_net(sock_net(sk)));
-		atomic_set(&tw->tw_refcnt, 1);
+		/*
+		 * Because we use RCU lookups, we should not set tw_refcnt
+		 * to a non null value before everything is setup for this
+		 * timewait socket.
+		 */
+		atomic_set(&tw->tw_refcnt, 0);
 		inet_twsk_dead_node_init(tw);
 		__module_get(tw->tw_prot->owner);
 	}
-- 
GitLab


From c2ff581acab16c6af56d9e8c1a579bf041ec00b1 Mon Sep 17 00:00:00 2001
From: Larry Finger <Larry.Finger@lwfinger.net>
Date: Mon, 23 Nov 2009 18:40:45 -0600
Subject: [PATCH 1797/1815] b43: avoid PPC fault during resume

The routine b43_is_hw_radio_enabled() has long been a problem.
For PPC architecture with PHY Revision < 3, a read of the register
B43_MMIO_HWENABLED_LO will cause a CPU fault unless b43_status()
returns a value of 2 (B43_STAT_STARTED) (BUG 14181). Fixing that
results in Bug 14538 in which the driver is unable to reassociate
after resuming from hibernation because b43_status() returns 0.

The correct fix would be to determine why the status is 0; however,
I have not yet found why that happens. The correct value is found for
my device, which has PHY revision >= 3.

Returning TRUE when the PHY revision < 3 and b43_status() returns 0 fixes
the regression for 2.6.32.

This patch fixes the problem in Red Hat Bugzilla #538523.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Tested-by: Christian Casteyde <casteyde.christian@free.fr>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/b43/rfkill.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/b43/rfkill.c b/drivers/net/wireless/b43/rfkill.c
index ffdce6f3c90..78016ae21c5 100644
--- a/drivers/net/wireless/b43/rfkill.c
+++ b/drivers/net/wireless/b43/rfkill.c
@@ -33,8 +33,14 @@ bool b43_is_hw_radio_enabled(struct b43_wldev *dev)
 		      & B43_MMIO_RADIO_HWENABLED_HI_MASK))
 			return 1;
 	} else {
-		if (b43_status(dev) >= B43_STAT_STARTED &&
-		    b43_read16(dev, B43_MMIO_RADIO_HWENABLED_LO)
+		/* To prevent CPU fault on PPC, do not read a register
+		 * unless the interface is started; however, on resume
+		 * for hibernation, this routine is entered early. When
+		 * that happens, unconditionally return TRUE.
+		 */
+		if (b43_status(dev) < B43_STAT_STARTED)
+			return 1;
+		if (b43_read16(dev, B43_MMIO_RADIO_HWENABLED_LO)
 		    & B43_MMIO_RADIO_HWENABLED_LO_MASK)
 			return 1;
 	}
-- 
GitLab


From 316a4d966cae3c2dec83ebb1ee1a3515f97b30ff Mon Sep 17 00:00:00 2001
From: Larry Finger <Larry.Finger@lwfinger.net>
Date: Mon, 23 Nov 2009 18:42:36 -0600
Subject: [PATCH 1798/1815] b43legacy: avoid PPC fault during resume

For PPC architecture with PHY Revision < 3, a read of the register
B43_MMIO_HWENABLED_LO will cause a CPU fault unless b43legacy_status()
returns a value of 2 (B43legacy_STAT_STARTED); however, one finds that
the driver is unable to associate after resuming from hibernation unless
this routine returns 1. To satisfy both conditions, the routine is rewritten
to return TRUE whenever b43legacy_status() returns a value < 2.

This patch fixes the second problem listed in the postings for Red Hat
Bugzilla #538523.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/b43legacy/rfkill.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/net/wireless/b43legacy/rfkill.c b/drivers/net/wireless/b43legacy/rfkill.c
index 8783022db11..d579df72b78 100644
--- a/drivers/net/wireless/b43legacy/rfkill.c
+++ b/drivers/net/wireless/b43legacy/rfkill.c
@@ -34,6 +34,13 @@ bool b43legacy_is_hw_radio_enabled(struct b43legacy_wldev *dev)
 		      & B43legacy_MMIO_RADIO_HWENABLED_HI_MASK))
 			return 1;
 	} else {
+		/* To prevent CPU fault on PPC, do not read a register
+		 * unless the interface is started; however, on resume
+		 * for hibernation, this routine is entered early. When
+		 * that happens, unconditionally return TRUE.
+		 */
+		if (b43legacy_status(dev) < B43legacy_STAT_STARTED)
+			return 1;
 		if (b43legacy_read16(dev, B43legacy_MMIO_RADIO_HWENABLED_LO)
 		    & B43legacy_MMIO_RADIO_HWENABLED_LO_MASK)
 			return 1;
-- 
GitLab


From 1014eb6ec95b18f890101e99385f05539c0c2f01 Mon Sep 17 00:00:00 2001
From: Jean Tourrilhes <jt@hpl.hp.com>
Date: Tue, 24 Nov 2009 10:47:08 -0800
Subject: [PATCH 1799/1815] WE: Fix set events not propagated

I've just noticed that some events are no longer propagated
for some wireless drivers. Basically, SET request with a extra payload
for driver without commit handler. The fix is pretty simple, see
attached.
	Actually, a few lines below this line, you will see that the
event generation for simple SET (iwpoint-less ?) is done properly,
and this other event generation does not need fixing.

Signed-off-by: Jean Tourrilhes <jt@hpl.hp.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/wireless/wext-core.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c
index a4e5ddc8d4f..6033785f56c 100644
--- a/net/wireless/wext-core.c
+++ b/net/wireless/wext-core.c
@@ -802,7 +802,8 @@ static int ioctl_standard_iw_point(struct iw_point *iwp, unsigned int cmd,
 	}
 
 	/* Generate an event to notify listeners of the change */
-	if ((descr->flags & IW_DESCR_FLAG_EVENT) && err == -EIWCOMMIT) {
+	if ((descr->flags & IW_DESCR_FLAG_EVENT) &&
+	    ((err == 0) || (err == -EIWCOMMIT))) {
 		union iwreq_data *data = (union iwreq_data *) iwp;
 
 		if (descr->flags & IW_DESCR_FLAG_RESTRICT)
-- 
GitLab


From a5186e997524578b4ba91390ad947c767450dac8 Mon Sep 17 00:00:00 2001
From: Gertjan van Wingerde <gwingerde@gmail.com>
Date: Tue, 24 Nov 2009 23:11:32 +0100
Subject: [PATCH 1800/1815] rt2x00: Fix padding bug on L2PAD devices.

While reviewing the l2pad function to align both the header and the payload
on a DMA-capable boundary a bug was discovered where the payload would not
be properly aligned. The header_align value was used where the payload_align
value should have been used.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2x00queue.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c
index 32d4aeabfd4..239afc7a9c0 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.c
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
@@ -214,7 +214,7 @@ void rt2x00queue_insert_l2pad(struct sk_buff *skb, unsigned int header_length)
 		skb_push(skb, header_align);
 		memmove(skb->data, skb->data + header_align, header_length);
 		memmove(skb->data + header_length + l2pad,
-			skb->data + header_length + l2pad + header_align,
+			skb->data + header_length + l2pad + payload_align,
 			frame_length - header_length);
 		skbdesc->flags |= SKBDESC_L2_PADDED;
 	}
-- 
GitLab


From 1f351e3840dcf25aaddec2d908c3ab06ae105ee6 Mon Sep 17 00:00:00 2001
From: Michael Buesch <mb@bu3sch.de>
Date: Wed, 25 Nov 2009 22:55:11 +0100
Subject: [PATCH 1801/1815] airo: Fix integer overflow warning
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

On BigEndian gcc complains:

drivers/net/wireless/airo.c: In function ‘sniffing_mode’:
drivers/net/wireless/airo.c:4809: warning: integer overflow in expression

Fix this by doing the bitwise AND on the host-endian value.

Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/airo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
index 4eec87c3be2..4331d675fcc 100644
--- a/drivers/net/wireless/airo.c
+++ b/drivers/net/wireless/airo.c
@@ -4806,7 +4806,7 @@ static int airo_config_commit(struct net_device *dev,
 
 static inline int sniffing_mode(struct airo_info *ai)
 {
-	return le16_to_cpu(ai->config.rmode & RXMODE_MASK) >=
+	return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >=
 		le16_to_cpu(RXMODE_RFMON);
 }
 
-- 
GitLab


From a9a29ce674ac62e7bfcb6c1404ca86cda4782988 Mon Sep 17 00:00:00 2001
From: Gabor Juhos <juhosg@openwrt.org>
Date: Fri, 27 Nov 2009 12:01:35 +0100
Subject: [PATCH 1802/1815] ath9k: enable 2GHz band only if the device supports
 it

Currently, the 2GHz band is enabled unconditionally, even if the device
does not support it.

Changes-licensed-under: ISC
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/hw.c   | 15 ++++++++++++--
 drivers/net/wireless/ath/ath9k/hw.h   |  2 +-
 drivers/net/wireless/ath/ath9k/main.c | 28 ++++++++++++++++-----------
 3 files changed, 31 insertions(+), 14 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 493160c8c75..2ec61f08cfd 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -976,7 +976,10 @@ int ath9k_hw_init(struct ath_hw *ah)
 		return r;
 
 	ath9k_hw_init_mode_gain_regs(ah);
-	ath9k_hw_fill_cap_info(ah);
+	r = ath9k_hw_fill_cap_info(ah);
+	if (r)
+		return r;
+
 	ath9k_hw_init_11a_eeprom_fix(ah);
 
 	r = ath9k_hw_init_macaddr(ah);
@@ -3112,7 +3115,7 @@ EXPORT_SYMBOL(ath9k_hw_set_sta_beacon_timers);
 /* HW Capabilities */
 /*******************/
 
-void ath9k_hw_fill_cap_info(struct ath_hw *ah)
+int ath9k_hw_fill_cap_info(struct ath_hw *ah)
 {
 	struct ath9k_hw_capabilities *pCap = &ah->caps;
 	struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
@@ -3143,6 +3146,12 @@ void ath9k_hw_fill_cap_info(struct ath_hw *ah)
 	}
 
 	eeval = ah->eep_ops->get_eeprom(ah, EEP_OP_MODE);
+	if ((eeval & (AR5416_OPFLAGS_11G | AR5416_OPFLAGS_11A)) == 0) {
+		ath_print(common, ATH_DBG_FATAL,
+			  "no band has been marked as supported in EEPROM.\n");
+		return -EINVAL;
+	}
+
 	bitmap_zero(pCap->wireless_modes, ATH9K_MODE_MAX);
 
 	if (eeval & AR5416_OPFLAGS_11A) {
@@ -3306,6 +3315,8 @@ void ath9k_hw_fill_cap_info(struct ath_hw *ah)
 	} else {
 		btcoex_hw->scheme = ATH_BTCOEX_CFG_NONE;
 	}
+
+	return 0;
 }
 
 bool ath9k_hw_getcapability(struct ath_hw *ah, enum ath9k_capability_type type,
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 46e1572dc94..e2b0c73a616 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -620,7 +620,7 @@ void ath9k_hw_detach(struct ath_hw *ah);
 int ath9k_hw_init(struct ath_hw *ah);
 int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 		   bool bChannelChange);
-void ath9k_hw_fill_cap_info(struct ath_hw *ah);
+int ath9k_hw_fill_cap_info(struct ath_hw *ah);
 bool ath9k_hw_getcapability(struct ath_hw *ah, enum ath9k_capability_type type,
 			    u32 capability, u32 *result);
 bool ath9k_hw_setcapability(struct ath_hw *ah, enum ath9k_capability_type type,
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index b9598148767..c4874345251 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1793,13 +1793,15 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
 
 	/* setup channels and rates */
 
-	sc->sbands[IEEE80211_BAND_2GHZ].channels = ath9k_2ghz_chantable;
-	sc->sbands[IEEE80211_BAND_2GHZ].band = IEEE80211_BAND_2GHZ;
-	sc->sbands[IEEE80211_BAND_2GHZ].n_channels =
-		ARRAY_SIZE(ath9k_2ghz_chantable);
-	sc->sbands[IEEE80211_BAND_2GHZ].bitrates = ath9k_legacy_rates;
-	sc->sbands[IEEE80211_BAND_2GHZ].n_bitrates =
-		ARRAY_SIZE(ath9k_legacy_rates);
+	if (test_bit(ATH9K_MODE_11G, sc->sc_ah->caps.wireless_modes)) {
+		sc->sbands[IEEE80211_BAND_2GHZ].channels = ath9k_2ghz_chantable;
+		sc->sbands[IEEE80211_BAND_2GHZ].band = IEEE80211_BAND_2GHZ;
+		sc->sbands[IEEE80211_BAND_2GHZ].n_channels =
+			ARRAY_SIZE(ath9k_2ghz_chantable);
+		sc->sbands[IEEE80211_BAND_2GHZ].bitrates = ath9k_legacy_rates;
+		sc->sbands[IEEE80211_BAND_2GHZ].n_bitrates =
+			ARRAY_SIZE(ath9k_legacy_rates);
+	}
 
 	if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes)) {
 		sc->sbands[IEEE80211_BAND_5GHZ].channels = ath9k_5ghz_chantable;
@@ -1876,8 +1878,9 @@ void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
 
 	hw->rate_control_algorithm = "ath9k_rate_control";
 
-	hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
-		&sc->sbands[IEEE80211_BAND_2GHZ];
+	if (test_bit(ATH9K_MODE_11G, sc->sc_ah->caps.wireless_modes))
+		hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
+			&sc->sbands[IEEE80211_BAND_2GHZ];
 	if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes))
 		hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
 			&sc->sbands[IEEE80211_BAND_5GHZ];
@@ -1916,9 +1919,12 @@ int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
 	reg = &common->regulatory;
 
 	if (ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
-		setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_2GHZ].ht_cap);
+		if (test_bit(ATH9K_MODE_11G, ah->caps.wireless_modes))
+			setup_ht_cap(sc,
+				     &sc->sbands[IEEE80211_BAND_2GHZ].ht_cap);
 		if (test_bit(ATH9K_MODE_11A, ah->caps.wireless_modes))
-			setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_5GHZ].ht_cap);
+			setup_ht_cap(sc,
+				     &sc->sbands[IEEE80211_BAND_5GHZ].ht_cap);
 	}
 
 	/* initialize tx/rx engine */
-- 
GitLab


From 914828fad09269292be1bfa3dfbe78d064f76068 Mon Sep 17 00:00:00 2001
From: Jouni Malinen <j@w1.fi>
Date: Sun, 29 Nov 2009 14:29:42 +0200
Subject: [PATCH 1803/1815] mac80211: Fix TX status reporting for injected data
 frames

An earlier optimization on removing unnecessary traffic on cooked
monitor interfaces ("mac80211: reduce the amount of unnecessary traffic
on cooked monitor interfaces ") ended up removing quite a bit more
than just unnecessary traffic. It was not supposed to remove TX status
reporting for injected frames, but ended up doing it by checking the
injected flag in skb->cb only after that field had been cleared with
memset.. Fix this by taking a local copy of the injected flag before
skb->cb is cleared.

This broke user space applications that depend on getting TX status
notifications for injected data frames. For example, STA inactivity
poll from hostapd did not work and ended up kicking out stations even
if they were still present.

Signed-off-by: Jouni Malinen <j@w1.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/status.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index 9f91fd8e6ef..d78f36c64c7 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -148,6 +148,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
 	struct net_device *prev_dev = NULL;
 	struct sta_info *sta;
 	int retry_count = -1, i;
+	bool injected;
 
 	for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
 		/* the HW cannot have attempted that rate */
@@ -297,6 +298,9 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
 	/* for now report the total retry_count */
 	rthdr->data_retries = retry_count;
 
+	/* Need to make a copy before skb->cb gets cleared */
+	injected = !!(info->flags & IEEE80211_TX_CTL_INJECTED);
+
 	/* XXX: is this sufficient for BPF? */
 	skb_set_mac_header(skb, 0);
 	skb->ip_summed = CHECKSUM_UNNECESSARY;
@@ -311,7 +315,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
 				continue;
 
 			if ((sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES) &&
-			    !(info->flags & IEEE80211_TX_CTL_INJECTED) &&
+			    !injected &&
 			    (type == IEEE80211_FTYPE_DATA))
 				continue;
 
-- 
GitLab


From 6646a664e3b60bf3e5db676e0626e6ccd71b3363 Mon Sep 17 00:00:00 2001
From: Zhu Yi <yi.zhu@intel.com>
Date: Tue, 1 Dec 2009 11:48:50 +0800
Subject: [PATCH 1804/1815] iwmc3200wifi: fix NULL pointer dereference in pmkid
 update

When handling IWM_CMD_PMKID_FLUSH command, the bssid and
pmkid in pmksa are all NULL. Check it before memcpy.

Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwmc3200wifi/commands.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/iwmc3200wifi/commands.c b/drivers/net/wireless/iwmc3200wifi/commands.c
index bd0630755b3..89b33fa8d4e 100644
--- a/drivers/net/wireless/iwmc3200wifi/commands.c
+++ b/drivers/net/wireless/iwmc3200wifi/commands.c
@@ -970,8 +970,10 @@ int iwm_send_pmkid_update(struct iwm_priv *iwm,
 	memset(&update, 0, sizeof(struct iwm_umac_pmkid_update));
 
 	update.command = cpu_to_le32(command);
-	memcpy(&update.bssid, pmksa->bssid, ETH_ALEN);
-	memcpy(&update.pmkid, pmksa->pmkid, WLAN_PMKID_LEN);
+	if (pmksa->bssid)
+		memcpy(&update.bssid, pmksa->bssid, ETH_ALEN);
+	if (pmksa->pmkid)
+		memcpy(&update.pmkid, pmksa->pmkid, WLAN_PMKID_LEN);
 
 	ret = iwm_send_wifi_if_cmd(iwm, &update,
 				   sizeof(struct iwm_umac_pmkid_update), 0);
-- 
GitLab


From 269ac5fd2d75b118d76a2291e28796527db2f3f8 Mon Sep 17 00:00:00 2001
From: Kalle Valo <kalle.valo@nokia.com>
Date: Tue, 1 Dec 2009 10:47:15 +0200
Subject: [PATCH 1805/1815] cfg80211: indent regulatory messages with spaces

The regulatory messages in syslog look weird:

kernel: cfg80211: Regulatory domain: US
kernel: ^I(start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
kernel: ^I(2402000 KHz - 2472000 KHz @ 40000 KHz), (600 mBi, 2700 mBm)
kernel: ^I(5170000 KHz - 5190000 KHz @ 40000 KHz), (600 mBi, 2300 mBm)
kernel: ^I(5190000 KHz - 5210000 KHz @ 40000 KHz), (600 mBi, 2300 mBm)
kernel: ^I(5210000 KHz - 5230000 KHz @ 40000 KHz), (600 mBi, 2300 mBm)
kernel: ^I(5230000 KHz - 5330000 KHz @ 40000 KHz), (600 mBi, 2300 mBm)
kernel: ^I(5735000 KHz - 5835000 KHz @ 40000 KHz), (600 mBi, 3000 mBm)

Indent them with four spaces instead of the tab character to get prettier
output.

Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Acked: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/wireless/reg.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 1f33017737f..c01470e7de1 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1931,7 +1931,7 @@ static void print_rd_rules(const struct ieee80211_regdomain *rd)
 	const struct ieee80211_freq_range *freq_range = NULL;
 	const struct ieee80211_power_rule *power_rule = NULL;
 
-	printk(KERN_INFO "\t(start_freq - end_freq @ bandwidth), "
+	printk(KERN_INFO "    (start_freq - end_freq @ bandwidth), "
 		"(max_antenna_gain, max_eirp)\n");
 
 	for (i = 0; i < rd->n_reg_rules; i++) {
@@ -1944,7 +1944,7 @@ static void print_rd_rules(const struct ieee80211_regdomain *rd)
 		 * in certain regions
 		 */
 		if (power_rule->max_antenna_gain)
-			printk(KERN_INFO "\t(%d KHz - %d KHz @ %d KHz), "
+			printk(KERN_INFO "    (%d KHz - %d KHz @ %d KHz), "
 				"(%d mBi, %d mBm)\n",
 				freq_range->start_freq_khz,
 				freq_range->end_freq_khz,
@@ -1952,7 +1952,7 @@ static void print_rd_rules(const struct ieee80211_regdomain *rd)
 				power_rule->max_antenna_gain,
 				power_rule->max_eirp);
 		else
-			printk(KERN_INFO "\t(%d KHz - %d KHz @ %d KHz), "
+			printk(KERN_INFO "    (%d KHz - %d KHz @ %d KHz), "
 				"(N/A, %d mBm)\n",
 				freq_range->start_freq_khz,
 				freq_range->end_freq_khz,
-- 
GitLab


From 52ce3e9a7db754b78cf2cbabc87013f921b25b28 Mon Sep 17 00:00:00 2001
From: Zhu Yi <yi.zhu@intel.com>
Date: Wed, 2 Dec 2009 14:24:37 +0800
Subject: [PATCH 1806/1815] ipw2100: fix rebooting hang with driver loaded

Add PCI .shutdown method so that we can disable the device during
shutdown or reboot. Without this, the reboot doesn't work well on
some platforms.

This fixes http://bugzilla.intellinuxwireless.org/show_bug.cgi?id=2124

Tested-by: pablo <pablolm2005@gmail.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ipw2x00/ipw2100.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/net/wireless/ipw2x00/ipw2100.c b/drivers/net/wireless/ipw2x00/ipw2100.c
index 6c836c892e4..17a9cb3528f 100644
--- a/drivers/net/wireless/ipw2x00/ipw2100.c
+++ b/drivers/net/wireless/ipw2x00/ipw2100.c
@@ -6573,6 +6573,16 @@ static int ipw2100_resume(struct pci_dev *pci_dev)
 }
 #endif
 
+static void ipw2100_shutdown(struct pci_dev *pci_dev)
+{
+	struct ipw2100_priv *priv = pci_get_drvdata(pci_dev);
+
+	/* Take down the device; powers it off, etc. */
+	ipw2100_down(priv);
+
+	pci_disable_device(pci_dev);
+}
+
 #define IPW2100_DEV_ID(x) { PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, x }
 
 static struct pci_device_id ipw2100_pci_id_table[] __devinitdata = {
@@ -6636,6 +6646,7 @@ static struct pci_driver ipw2100_pci_driver = {
 	.suspend = ipw2100_suspend,
 	.resume = ipw2100_resume,
 #endif
+	.shutdown = ipw2100_shutdown,
 };
 
 /**
-- 
GitLab


From df98a4967002d0df88d92f89662261e3a7867cf7 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Wed, 2 Dec 2009 11:20:36 +0100
Subject: [PATCH 1807/1815] b43: fix two warnings
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

My gcc appears to be able to see past the function
boundary and notices that the variable 'behaviour'
could be used uninitialised:

drivers/net/wireless/b43/leds.c: In function ‘b43_leds_register’:
drivers/net/wireless/b43/leds.c:339: warning: ‘behaviour’ may be used uninitialized in this function
drivers/net/wireless/b43/leds.c: In function ‘b43_leds_init’:
drivers/net/wireless/b43/leds.c:262: warning: ‘behaviour’ may be used uninitialized in this function

because b43_led_get_sprominfo() didn't initialise
it in all cases.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/b43/leds.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/b43/leds.c b/drivers/net/wireless/b43/leds.c
index 1e8dba48800..c587115dd2b 100644
--- a/drivers/net/wireless/b43/leds.c
+++ b/drivers/net/wireless/b43/leds.c
@@ -246,6 +246,7 @@ static void b43_led_get_sprominfo(struct b43_wldev *dev,
 			*behaviour = B43_LED_OFF;
 			break;
 		default:
+			*behaviour = B43_LED_OFF;
 			B43_WARN_ON(1);
 			return;
 		}
-- 
GitLab


From bd3709b546f0113b41f0ecceaf3452a073739bbc Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Wed, 2 Dec 2009 12:52:59 -0800
Subject: [PATCH 1808/1815] iwl3945: remove duplicated event logging code

In the process of improving uCode event logging capability, the new
implementation was introduced without removing the existing
implementation. The event log will be dumped to dmesg twice.
Remove the old implementation to only log the event once upon sys
assert or request by user.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl3945-base.c | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 0db9b79a69a..a63bd5ee53a 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -1701,15 +1701,6 @@ void iwl3945_dump_nic_event_log(struct iwl_priv *priv, bool full_log)
 	IWL_ERR(priv, "Start IWL Event Log Dump: display last %d count\n",
 		  size);
 
-	/* if uCode has wrapped back to top of log, start at the oldest entry,
-	 * i.e the next one that uCode would fill. */
-	if (num_wraps)
-		iwl3945_print_event_log(priv, next_entry,
-				    capacity - next_entry, mode);
-
-	/* (then/else) start at top of log */
-	iwl3945_print_event_log(priv, 0, next_entry, mode);
-
 #ifdef CONFIG_IWLWIFI_DEBUG
 	if ((iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS) || full_log) {
 		/* if uCode has wrapped back to top of log,
-- 
GitLab


From 212fb57519a65c8e15bd3f5db87c3328fcde88de Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Wed, 2 Dec 2009 12:53:00 -0800
Subject: [PATCH 1809/1815] iwlwifi: indicate uCode type when fail dump
 error/event log

error_event_table_ptr is only set upon receipt of REPLY_ALIVE. Until
then both event log and error log will fail. Add information to indicate
which uCode encounter the failure case.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-agn.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index c96513bddb1..b8377efb3ba 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1662,7 +1662,9 @@ void iwl_dump_nic_error_log(struct iwl_priv *priv)
 		base = le32_to_cpu(priv->card_alive.error_event_table_ptr);
 
 	if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) {
-		IWL_ERR(priv, "Not valid error log pointer 0x%08X\n", base);
+		IWL_ERR(priv,
+			"Not valid error log pointer 0x%08X for %s uCode\n",
+			base, (priv->ucode_type == UCODE_INIT) ? "Init" : "RT");
 		return;
 	}
 
@@ -1807,7 +1809,9 @@ void iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log)
 		base = le32_to_cpu(priv->card_alive.log_event_table_ptr);
 
 	if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) {
-		IWL_ERR(priv, "Invalid event log pointer 0x%08X\n", base);
+		IWL_ERR(priv,
+			"Invalid event log pointer 0x%08X for %s uCode\n",
+			base, (priv->ucode_type == UCODE_INIT) ? "Init" : "RT");
 		return;
 	}
 
-- 
GitLab


From 250cce26d5d03337aec4ff8405121f026adb4a89 Mon Sep 17 00:00:00 2001
From: Reinette Chatre <reinette.chatre@intel.com>
Date: Wed, 2 Dec 2009 12:53:01 -0800
Subject: [PATCH 1810/1815] iwlwifi: driver version track kernel version

The driver version number is a remnant from when there was an out-of-tree
iwlwifi driver. Now that the driver forms part of kernel source we do not
need a separate driver version. Instead, we now use the kernel version as
driver version. We maintain the previous tags used to indicate which
components the driver has been compiled with.

Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Acked-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwlwifi/iwl-core.h     | 4 +++-
 drivers/net/wireless/iwlwifi/iwl3945-base.c | 4 +---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index cf7d3df0744..675b7df632f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -63,6 +63,8 @@
 #ifndef __iwl_core_h__
 #define __iwl_core_h__
 
+#include <linux/utsrelease.h>
+
 /************************
  * forward declarations *
  ************************/
@@ -70,7 +72,7 @@ struct iwl_host_cmd;
 struct iwl_cmd;
 
 
-#define IWLWIFI_VERSION "1.3.27k"
+#define IWLWIFI_VERSION UTS_RELEASE "-k"
 #define DRV_COPYRIGHT	"Copyright(c) 2003-2009 Intel Corporation"
 #define DRV_AUTHOR     "<ilw@linux.intel.com>"
 
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index a63bd5ee53a..2a28a1f8b1f 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -76,11 +76,9 @@
 #define VS
 #endif
 
-#define IWL39_VERSION "1.2.26k" VD VS
+#define DRV_VERSION  IWLWIFI_VERSION VD VS
 #define DRV_COPYRIGHT	"Copyright(c) 2003-2009 Intel Corporation"
 #define DRV_AUTHOR     "<ilw@linux.intel.com>"
-#define DRV_VERSION     IWL39_VERSION
-
 
 MODULE_DESCRIPTION(DRV_DESCRIPTION);
 MODULE_VERSION(DRV_VERSION);
-- 
GitLab


From f330d4f9dfd50c1870a3c4b4b3f855e78eb9ceaa Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Thu, 3 Dec 2009 11:40:15 +0100
Subject: [PATCH 1811/1815] iwmc3200wifi: Update wiwi priority table

This update follows the firmware engineers recommendations.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwmc3200wifi/commands.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/iwmc3200wifi/commands.c b/drivers/net/wireless/iwmc3200wifi/commands.c
index 89b33fa8d4e..63d20e0952e 100644
--- a/drivers/net/wireless/iwmc3200wifi/commands.c
+++ b/drivers/net/wireless/iwmc3200wifi/commands.c
@@ -122,18 +122,18 @@ static struct coex_event iwm_sta_xor_prio_tbl[COEX_EVENTS_NUM] =
 static struct coex_event iwm_sta_cm_prio_tbl[COEX_EVENTS_NUM] =
 {
 	{1, 1, 0, COEX_UNASSOC_IDLE_FLAGS},
-	{4, 3, 0, COEX_UNASSOC_MANUAL_SCAN_FLAGS},
+	{4, 4, 0, COEX_UNASSOC_MANUAL_SCAN_FLAGS},
 	{3, 3, 0, COEX_UNASSOC_AUTO_SCAN_FLAGS},
-	{5, 5, 0, COEX_CALIBRATION_FLAGS},
+	{6, 6, 0, COEX_CALIBRATION_FLAGS},
 	{3, 3, 0, COEX_PERIODIC_CALIBRATION_FLAGS},
-	{5, 4, 0, COEX_CONNECTION_ESTAB_FLAGS},
+	{6, 5, 0, COEX_CONNECTION_ESTAB_FLAGS},
 	{4, 4, 0, COEX_ASSOCIATED_IDLE_FLAGS},
 	{4, 4, 0, COEX_ASSOC_MANUAL_SCAN_FLAGS},
 	{4, 4, 0, COEX_ASSOC_AUTO_SCAN_FLAGS},
 	{4, 4, 0, COEX_ASSOC_ACTIVE_LEVEL_FLAGS},
 	{1, 1, 0, COEX_RF_ON_FLAGS},
 	{1, 1, 0, COEX_RF_OFF_FLAGS},
-	{6, 6, 0, COEX_STAND_ALONE_DEBUG_FLAGS},
+	{7, 7, 0, COEX_STAND_ALONE_DEBUG_FLAGS},
 	{5, 4, 0, COEX_IPAN_ASSOC_LEVEL_FLAGS},
 	{1, 1, 0, COEX_RSRVD1_FLAGS},
 	{1, 1, 0, COEX_RSRVD2_FLAGS}
-- 
GitLab


From 1ee9d426ff8ae8312137fc9407eff23ca81cef26 Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Thu, 3 Dec 2009 11:40:16 +0100
Subject: [PATCH 1812/1815] iwmc3200wifi: Coex table command does not expect a
 response

When sending the wiwi coexistence priority table, we should not tell the LMAC
that we want a response.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwmc3200wifi/commands.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwmc3200wifi/commands.c b/drivers/net/wireless/iwmc3200wifi/commands.c
index 63d20e0952e..f9dc4b58c49 100644
--- a/drivers/net/wireless/iwmc3200wifi/commands.c
+++ b/drivers/net/wireless/iwmc3200wifi/commands.c
@@ -192,7 +192,7 @@ int iwm_send_prio_table(struct iwm_priv *iwm)
 
 	return iwm_send_lmac_ptrough_cmd(iwm, COEX_PRIORITY_TABLE_CMD,
 				&coex_table_cmd,
-				sizeof(struct iwm_coex_prio_table_cmd), 1);
+				sizeof(struct iwm_coex_prio_table_cmd), 0);
 }
 
 int iwm_send_init_calib_cfg(struct iwm_priv *iwm, u8 calib_requested)
-- 
GitLab


From 43b5ffe1162a7fbaa89f1c392a28ac54c2e932f7 Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Thu, 3 Dec 2009 11:40:17 +0100
Subject: [PATCH 1813/1815] iwmc3200wifi: Add wifi-wimax coexistence mode as a
 module parameter

Wifi and wimax coexistence mode is set by wifi at boot time. There can be
several modes, defined by priority tables. User space components can decide
which one to select by writing to /sys/module/iwmc3200wifi/parameters/wiwi
with this patch, before bringing the interface up.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwmc3200wifi/commands.c | 12 ++++++++----
 drivers/net/wireless/iwmc3200wifi/iwm.h      |  1 -
 drivers/net/wireless/iwmc3200wifi/main.c     |  1 -
 3 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/iwmc3200wifi/commands.c b/drivers/net/wireless/iwmc3200wifi/commands.c
index f9dc4b58c49..777584d76a8 100644
--- a/drivers/net/wireless/iwmc3200wifi/commands.c
+++ b/drivers/net/wireless/iwmc3200wifi/commands.c
@@ -99,6 +99,10 @@ int iwm_send_wifi_if_cmd(struct iwm_priv *iwm, void *payload, u16 payload_size,
 	return ret;
 }
 
+static int modparam_wiwi = COEX_MODE_CM;
+module_param_named(wiwi, modparam_wiwi, int, 0644);
+MODULE_PARM_DESC(wiwi, "Wifi-WiMAX coexistence: 1=SA, 2=XOR, 3=CM (default)");
+
 static struct coex_event iwm_sta_xor_prio_tbl[COEX_EVENTS_NUM] =
 {
 	{4, 3, 0, COEX_UNASSOC_IDLE_FLAGS},
@@ -148,7 +152,7 @@ int iwm_send_prio_table(struct iwm_priv *iwm)
 
 	coex_table_cmd.flags = COEX_FLAGS_STA_TABLE_VALID_MSK;
 
-	switch (iwm->conf.coexist_mode) {
+	switch (modparam_wiwi) {
 	case COEX_MODE_XOR:
 	case COEX_MODE_CM:
 		coex_enabled = 1;
@@ -173,7 +177,7 @@ int iwm_send_prio_table(struct iwm_priv *iwm)
 					COEX_FLAGS_ASSOC_WAKEUP_UMASK_MSK |
 					COEX_FLAGS_UNASSOC_WAKEUP_UMASK_MSK;
 
-		switch (iwm->conf.coexist_mode) {
+		switch (modparam_wiwi) {
 		case COEX_MODE_XOR:
 			memcpy(coex_table_cmd.sta_prio, iwm_sta_xor_prio_tbl,
 			       sizeof(iwm_sta_xor_prio_tbl));
@@ -184,7 +188,7 @@ int iwm_send_prio_table(struct iwm_priv *iwm)
 			break;
 		default:
 			IWM_ERR(iwm, "Invalid coex_mode 0x%x\n",
-				iwm->conf.coexist_mode);
+				modparam_wiwi);
 			break;
 		}
 	} else
@@ -396,7 +400,7 @@ int iwm_send_umac_config(struct iwm_priv *iwm, __le32 reset_flags)
 		return ret;
 
 	ret = iwm_umac_set_config_fix(iwm, UMAC_PARAM_TBL_CFG_FIX,
-				      CFG_COEX_MODE, iwm->conf.coexist_mode);
+				      CFG_COEX_MODE, modparam_wiwi);
 	if (ret < 0)
 		return ret;
 
diff --git a/drivers/net/wireless/iwmc3200wifi/iwm.h b/drivers/net/wireless/iwmc3200wifi/iwm.h
index 8d091f918f3..5a26bb05a33 100644
--- a/drivers/net/wireless/iwmc3200wifi/iwm.h
+++ b/drivers/net/wireless/iwmc3200wifi/iwm.h
@@ -81,7 +81,6 @@ struct iwm_conf {
 	u32 assoc_timeout;
 	u32 roam_timeout;
 	u32 wireless_mode;
-	u32 coexist_mode;
 
 	u8 ibss_band;
 	u8 ibss_channel;
diff --git a/drivers/net/wireless/iwmc3200wifi/main.c b/drivers/net/wireless/iwmc3200wifi/main.c
index 087f04355c1..0ffb04111a4 100644
--- a/drivers/net/wireless/iwmc3200wifi/main.c
+++ b/drivers/net/wireless/iwmc3200wifi/main.c
@@ -82,7 +82,6 @@ static struct iwm_conf def_iwm_conf = {
 	.roam_timeout		= 10,
 	.wireless_mode		= WIRELESS_MODE_11A | WIRELESS_MODE_11G |
 				  WIRELESS_MODE_11N,
-	.coexist_mode		= COEX_MODE_CM,
 
 	/* IBSS */
 	.ibss_band		= UMAC_BAND_2GHZ,
-- 
GitLab


From 159bcfeb9123c91f0dc885a42b6387a98192f896 Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Thu, 3 Dec 2009 11:40:18 +0100
Subject: [PATCH 1814/1815] iwmc3200wifi: Enable wimax core through module
 parameter

When debugging the wifi firmware, we need to disable the wimax core to gain
some memory space. The default value will keep the wimax core enabled.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/iwmc3200wifi/main.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/iwmc3200wifi/main.c b/drivers/net/wireless/iwmc3200wifi/main.c
index 0ffb04111a4..7f34d6dd3c4 100644
--- a/drivers/net/wireless/iwmc3200wifi/main.c
+++ b/drivers/net/wireless/iwmc3200wifi/main.c
@@ -68,7 +68,6 @@ static struct iwm_conf def_iwm_conf = {
 	.ct_kill_exit		= 110,
 	.reset_on_fatal_err	= 1,
 	.auto_connect		= 1,
-	.wimax_not_present	= 0,
 	.enable_qos		= 1,
 	.mode			= UMAC_MODE_BSS,
 
@@ -94,6 +93,10 @@ static int modparam_reset;
 module_param_named(reset, modparam_reset, bool, 0644);
 MODULE_PARM_DESC(reset, "reset on firmware errors (default 0 [not reset])");
 
+static int modparam_wimax_enable = 1;
+module_param_named(wimax_enable, modparam_wimax_enable, bool, 0644);
+MODULE_PARM_DESC(wimax_enable, "Enable wimax core (default 1 [wimax enabled])");
+
 int iwm_mode_to_nl80211_iftype(int mode)
 {
 	switch (mode) {
@@ -486,7 +489,7 @@ static int iwm_config_boot_params(struct iwm_priv *iwm)
 	int ret;
 
 	/* check Wimax is off and config debug monitor */
-	if (iwm->conf.wimax_not_present) {
+	if (!modparam_wimax_enable) {
 		u32 data1 = 0x1f;
 		u32 addr1 = 0x606BE258;
 
-- 
GitLab


From d29cecda036f251aee4947f47eea0fe9ed8cc931 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Fri, 4 Dec 2009 14:25:43 -0800
Subject: [PATCH 1815/1815] mac80211: fix reorder buffer release

My patch "mac80211: correctly place aMPDU RX reorder code"
uses an skb queue for MPDUs that were released from the
buffer. I intentially didn't initialise and use the skb
queue's spinlock, but in this place forgot that the code
variant that doesn't touch the spinlock is needed.

Thanks to Christian Lamparter for quickly spotting the
bug in the backtrace Reinette reported.

Reported-by: Reinette Chatre <reinette.chatre@intel.com>
Bug-identified-by: Christian Lamparter <chunkeey@googlemail.com>
Tested-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/mac80211/rx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 4ed60ae81b9..f237df40837 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -570,7 +570,7 @@ static void ieee80211_release_reorder_frame(struct ieee80211_hw *hw,
 		rate = &sband->bitrates[status->rate_idx];
 	tid_agg_rx->stored_mpdu_num--;
 	tid_agg_rx->reorder_buf[index] = NULL;
-	skb_queue_tail(frames, skb);
+	__skb_queue_tail(frames, skb);
 
 no_frame:
 	tid_agg_rx->head_seq_num = seq_inc(tid_agg_rx->head_seq_num);
-- 
GitLab